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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /nptl/sysdeps/unix/sysv
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
2.5-18.1
Diffstat (limited to 'nptl/sysdeps/unix/sysv')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/Makefile8
-rw-r--r--nptl/sysdeps/unix/sysv/linux/aio_misc.h10
-rw-r--r--nptl/sysdeps/unix/sysv/linux/alpha/bits/pthreadtypes.h18
-rw-r--r--nptl/sysdeps/unix/sysv/linux/alpha/clone.S11
-rw-r--r--nptl/sysdeps/unix/sysv/linux/alpha/lowlevellock.h81
-rw-r--r--nptl/sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h8
-rw-r--r--nptl/sysdeps/unix/sysv/linux/bits/local_lim.h8
-rw-r--r--nptl/sysdeps/unix/sysv/linux/bits/posix_opt.h24
-rw-r--r--nptl/sysdeps/unix/sysv/linux/configure3
-rw-r--r--nptl/sysdeps/unix/sysv/linux/fork.c9
-rw-r--r--nptl/sysdeps/unix/sysv/linux/fork.h4
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/bits/pthreadtypes.h18
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/clone.S11
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S2
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S63
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S227
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S6
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S7
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S47
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S18
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S18
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S11
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S28
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S13
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i486/sem_wait.S17
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i586/lowlevelrobustlock.S20
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i686/lowlevelrobustlock.S20
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h332
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/not-cancel.h42
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/smp.h56
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h288
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/vfork.S19
-rw-r--r--nptl/sysdeps/unix/sysv/linux/ia64/__ia64_longjmp.S5
-rw-r--r--nptl/sysdeps/unix/sysv/linux/ia64/bits/pthreadtypes.h13
-rw-r--r--nptl/sysdeps/unix/sysv/linux/ia64/clone2.S11
-rw-r--r--nptl/sysdeps/unix/sysv/linux/ia64/createthread.c4
-rw-r--r--nptl/sysdeps/unix/sysv/linux/ia64/dl-sysdep.h4
-rw-r--r--nptl/sysdeps/unix/sysv/linux/ia64/jmpbuf-unwind.h39
-rw-r--r--nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h85
-rw-r--r--nptl/sysdeps/unix/sysv/linux/ia64/pt-initfini.c95
-rw-r--r--nptl/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h8
-rw-r--r--nptl/sysdeps/unix/sysv/linux/ia64/unwind-forcedunwind.c3
-rw-r--r--nptl/sysdeps/unix/sysv/linux/kernel-features.h6
-rw-r--r--nptl/sysdeps/unix/sysv/linux/libc_pthread_init.c12
-rw-r--r--nptl/sysdeps/unix/sysv/linux/lowlevelrobustlock.c113
-rw-r--r--nptl/sysdeps/unix/sysv/linux/lowlevelrobustlock.sym6
-rw-r--r--nptl/sysdeps/unix/sysv/linux/mq_notify.c4
-rw-r--r--nptl/sysdeps/unix/sysv/linux/powerpc/bits/local_lim.h90
-rw-r--r--nptl/sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h30
-rw-r--r--nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h118
-rw-r--r--nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S12
-rw-r--r--nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h41
-rw-r--r--nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S12
-rw-r--r--nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h16
-rw-r--r--nptl/sysdeps/unix/sysv/linux/powerpc/pthread_attr_setstack.c51
-rw-r--r--nptl/sysdeps/unix/sysv/linux/powerpc/pthread_attr_setstacksize.c48
-rw-r--r--nptl/sysdeps/unix/sysv/linux/pthread-pi-defines.sym6
-rw-r--r--nptl/sysdeps/unix/sysv/linux/pthread_attr_setaffinity.c4
-rw-r--r--nptl/sysdeps/unix/sysv/linux/pthread_getcpuclockid.c111
-rw-r--r--nptl/sysdeps/unix/sysv/linux/pthread_kill.c18
-rw-r--r--nptl/sysdeps/unix/sysv/linux/pthread_mutex_cond_lock.c5
-rw-r--r--nptl/sysdeps/unix/sysv/linux/pthread_setaffinity.c4
-rw-r--r--nptl/sysdeps/unix/sysv/linux/register-atfork.c4
-rw-r--r--nptl/sysdeps/unix/sysv/linux/rtld-lowlevel.h153
-rw-r--r--nptl/sysdeps/unix/sysv/linux/s390/bits/pthreadtypes.h30
-rw-r--r--nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h99
-rw-r--r--nptl/sysdeps/unix/sysv/linux/s390/s390-32/clone.S11
-rw-r--r--nptl/sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h8
-rw-r--r--nptl/sysdeps/unix/sysv/linux/s390/s390-64/clone.S11
-rw-r--r--nptl/sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h8
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/bits/pthreadtypes.h16
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/clone.S11
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.S30
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h142
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/lowlevelrobustlock.S224
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_broadcast.S8
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S18
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S18
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/sh4/lowlevellock.h2
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/sysdep-cancel.h128
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sleep.c12
-rw-r--r--nptl/sysdeps/unix/sysv/linux/smp.h30
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/Makefile2
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/bits/pthreadtypes.h30
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/lowlevellock.h95
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S11
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/lowlevellock.c131
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pt-vfork.S13
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pthread_barrier_init.c62
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pthread_barrier_wait.c100
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_init.c63
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_post.c54
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_timedwait.c117
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_trywait.c59
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_wait.c74
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/pthread_barrier_init.c1
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/pthread_barrier_wait.c1
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_init.c1
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_post.c1
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_timedwait.c1
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_trywait.c1
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_wait.c1
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h97
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S13
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S9
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc64/pt-vfork.S13
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h91
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S13
-rw-r--r--nptl/sysdeps/unix/sysv/linux/timer_create.c13
-rw-r--r--nptl/sysdeps/unix/sysv/linux/timer_routines.c50
-rw-r--r--nptl/sysdeps/unix/sysv/linux/unregister-atfork.c4
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/bits/pthreadtypes.h35
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/clone.S11
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S97
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h352
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S229
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S15
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S19
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S33
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S30
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S34
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_once.S45
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_rdlock.S18
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S26
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S24
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_unlock.S10
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S14
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S6
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S16
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/sem_trywait.S3
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S4
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h10
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/vfork.S16
133 files changed, 4426 insertions, 1126 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/Makefile b/nptl/sysdeps/unix/sysv/linux/Makefile
index 991398242a..cfcdb6d97f 100644
--- a/nptl/sysdeps/unix/sysv/linux/Makefile
+++ b/nptl/sysdeps/unix/sysv/linux/Makefile
@@ -1,4 +1,4 @@
-# Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+# Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -24,7 +24,8 @@ sysdep_routines += register-atfork unregister-atfork libc_pthread_init \
libpthread-sysdep_routines += pt-fork pthread_mutex_cond_lock
gen-as-const-headers += lowlevelcond.sym lowlevelrwlock.sym \
- lowlevelbarrier.sym unwindbuf.sym
+ lowlevelbarrier.sym unwindbuf.sym \
+ lowlevelrobustlock.sym pthread-pi-defines.sym
endif
ifeq ($(subdir),posix)
@@ -32,3 +33,6 @@ CFLAGS-fork.c = -D_IO_MTSAFE_IO
CFLAGS-getpid.o = -fomit-frame-pointer
CFLAGS-getpid.os = -fomit-frame-pointer
endif
+
+# Needed in both the signal and nptl subdir.
+CFLAGS-sigaction.c = -DWRAPPER_INCLUDE='<nptl/sigaction.c>'
diff --git a/nptl/sysdeps/unix/sysv/linux/aio_misc.h b/nptl/sysdeps/unix/sysv/linux/aio_misc.h
index 7b0bac75f2..406d96e865 100644
--- a/nptl/sysdeps/unix/sysv/linux/aio_misc.h
+++ b/nptl/sysdeps/unix/sysv/linux/aio_misc.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
@@ -19,9 +19,10 @@
#ifndef _AIO_MISC_H
# include_next <aio_misc.h>
+# include <limits.h>
+# include <pthread.h>
# include <signal.h>
# include <sysdep.h>
-# include <pthread.h>
# define aio_start_notify_thread __aio_start_notify_thread
# define aio_create_helper_thread __aio_create_helper_thread
@@ -36,7 +37,8 @@ __aio_start_notify_thread (void)
}
extern inline int
-__aio_create_helper_thread (pthread_t *threadp, void *(*tf) (void *), void *arg)
+__aio_create_helper_thread (pthread_t *threadp, void *(*tf) (void *),
+ void *arg)
{
pthread_attr_t attr;
@@ -63,5 +65,5 @@ __aio_create_helper_thread (pthread_t *threadp, void *(*tf) (void *), void *arg)
(void) pthread_attr_destroy (&attr);
return ret;
-}
+}
#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/alpha/bits/pthreadtypes.h b/nptl/sysdeps/unix/sysv/linux/alpha/bits/pthreadtypes.h
index d13d6e86a4..41a54d4b0d 100644
--- a/nptl/sysdeps/unix/sysv/linux/alpha/bits/pthreadtypes.h
+++ b/nptl/sysdeps/unix/sysv/linux/alpha/bits/pthreadtypes.h
@@ -1,5 +1,5 @@
/* Machine-specific pthread type layouts. Alpha version.
- Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -43,11 +43,18 @@ typedef union
} pthread_attr_t;
+typedef struct __pthread_internal_list
+{
+ struct __pthread_internal_list *__prev;
+ struct __pthread_internal_list *__next;
+} __pthread_list_t;
+
+
/* Data structures for mutex handling. The structure of the attribute
type is deliberately not exposed. */
typedef union
{
- struct
+ struct __pthread_mutex_s
{
int __lock;
unsigned int __count;
@@ -57,6 +64,8 @@ typedef union
binary compatibility. */
int __kind;
int __spins;
+ __pthread_list_t __list;
+#define __PTHREAD_MUTEX_HAVE_PREV 1
} __data;
char __size[__SIZEOF_PTHREAD_MUTEX_T];
long int __align;
@@ -117,8 +126,9 @@ typedef union
unsigned int __nr_readers_queued;
unsigned int __nr_writers_queued;
int __writer;
-
- unsigned int __reserved[6];
+ int __pad1;
+ unsigned long int __pad2;
+ unsigned long int __pad3;
/* FLAGS must stay at this position in the structure to maintain
binary compatibility. */
unsigned int __flags;
diff --git a/nptl/sysdeps/unix/sysv/linux/alpha/clone.S b/nptl/sysdeps/unix/sysv/linux/alpha/clone.S
index eea1cbeed1..675a997e97 100644
--- a/nptl/sysdeps/unix/sysv/linux/alpha/clone.S
+++ b/nptl/sysdeps/unix/sysv/linux/alpha/clone.S
@@ -1,2 +1,9 @@
-#define RESET_PID
-#include <sysdeps/unix/sysv/linux/alpha/clone.S>
+/* We want an #include_next, but we are the main source file.
+ So, #include ourselves and in that incarnation we can use #include_next. */
+#ifndef INCLUDED_SELF
+# define INCLUDED_SELF
+# include <clone.S>
+#else
+# define RESET_PID
+# include_next <clone.S>
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/alpha/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/alpha/lowlevellock.h
index fd4a7ca4bb..58b4806eb2 100644
--- a/nptl/sysdeps/unix/sysv/linux/alpha/lowlevellock.h
+++ b/nptl/sysdeps/unix/sysv/linux/alpha/lowlevellock.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -31,6 +31,11 @@
#define FUTEX_WAKE 1
#define FUTEX_REQUEUE 3
#define FUTEX_CMP_REQUEUE 4
+#define FUTEX_WAKE_OP 5
+#define FUTEX_OP_CLEAR_WAKE_IF_GT_ONE ((4 << 24) | 1)
+#define FUTEX_LOCK_PI 6
+#define FUTEX_UNLOCK_PI 7
+#define FUTEX_TRYLOCK_PI 8
/* Initializer for compatibility lock. */
#define LLL_MUTEX_LOCK_INITIALIZER (0)
@@ -62,6 +67,15 @@
INTERNAL_SYSCALL_ERROR_P (__ret, __err)? -__ret : __ret; \
})
+#define lll_robust_mutex_dead(futexv) \
+ do \
+ { \
+ int *__futexp = &(futexv); \
+ atomic_or (__futexp, FUTEX_OWNER_DIED); \
+ lll_futex_wake (__futexp, 1); \
+ } \
+ while (0)
+
/* Returns non-zero if error happened, zero if success. */
#define lll_futex_requeue(futexp, nr_wake, nr_move, mutex, val) \
({ \
@@ -73,6 +87,20 @@
INTERNAL_SYSCALL_ERROR_P (__ret, __err); \
})
+/* Returns non-zero if error happened, zero if success. */
+#define lll_futex_wake_unlock(futexp, nr_wake, nr_wake2, futexp2) \
+ ({ \
+ INTERNAL_SYSCALL_DECL (__err); \
+ long int __ret; \
+ __ret = INTERNAL_SYSCALL (futex, __err, 6, \
+ (futexp), FUTEX_WAKE_OP, (nr_wake), \
+ (nr_wake2), (futexp2), \
+ FUTEX_OP_CLEAR_WAKE_IF_GT_ONE); \
+ INTERNAL_SYSCALL_ERROR_P (__ret, __err); \
+ })
+
+
+
static inline int __attribute__((always_inline))
__lll_mutex_trylock(int *futex)
@@ -90,7 +118,16 @@ __lll_mutex_cond_trylock(int *futex)
#define lll_mutex_cond_trylock(lock) __lll_mutex_cond_trylock (&(lock))
+static inline int __attribute__((always_inline))
+__lll_robust_mutex_trylock(int *futex, int id)
+{
+ return atomic_compare_and_exchange_val_acq (futex, id, 0) != 0;
+}
+#define lll_robust_mutex_trylock(lock, id) \
+ __lll_robust_mutex_trylock (&(lock), id)
+
extern void __lll_lock_wait (int *futex) attribute_hidden;
+extern int __lll_robust_lock_wait (int *futex) attribute_hidden;
static inline void __attribute__((always_inline))
__lll_mutex_lock(int *futex)
@@ -101,6 +138,18 @@ __lll_mutex_lock(int *futex)
#define lll_mutex_lock(futex) __lll_mutex_lock (&(futex))
+static inline int __attribute__ ((always_inline))
+__lll_robust_mutex_lock (int *futex, int id)
+{
+ int result = 0;
+ if (atomic_compare_and_exchange_bool_acq (futex, id, 0) != 0)
+ result = __lll_robust_lock_wait (futex);
+ return result;
+}
+#define lll_robust_mutex_lock(futex, id) \
+ __lll_robust_mutex_lock (&(futex), id)
+
+
static inline void __attribute__ ((always_inline))
__lll_mutex_cond_lock (int *futex)
{
@@ -110,8 +159,14 @@ __lll_mutex_cond_lock (int *futex)
#define lll_mutex_cond_lock(futex) __lll_mutex_cond_lock (&(futex))
+#define lll_robust_mutex_cond_lock(futex, id) \
+ __lll_robust_mutex_lock (&(futex), (id) | FUTEX_WAITERS)
+
+
extern int __lll_timedlock_wait (int *futex, const struct timespec *)
attribute_hidden;
+extern int __lll_robust_timedlock_wait (int *futex, const struct timespec *)
+ attribute_hidden;
static inline int __attribute__ ((always_inline))
__lll_mutex_timedlock (int *futex, const struct timespec *abstime)
@@ -125,6 +180,19 @@ __lll_mutex_timedlock (int *futex, const struct timespec *abstime)
__lll_mutex_timedlock (&(futex), abstime)
+static inline int __attribute__ ((always_inline))
+__lll_robust_mutex_timedlock (int *futex, const struct timespec *abstime,
+ int id)
+{
+ int result = 0;
+ if (atomic_compare_and_exchange_bool_acq (futex, id, 0) != 0)
+ result = __lll_robust_timedlock_wait (futex, abstime);
+ return result;
+}
+#define lll_robust_mutex_timedlock(futex, abstime, id) \
+ __lll_robust_mutex_timedlock (&(futex), abstime, id)
+
+
static inline void __attribute__ ((always_inline))
__lll_mutex_unlock (int *futex)
{
@@ -136,6 +204,17 @@ __lll_mutex_unlock (int *futex)
static inline void __attribute__ ((always_inline))
+__lll_robust_mutex_unlock (int *futex, int mask)
+{
+ int val = atomic_exchange_rel (futex, 0);
+ if (__builtin_expect (val & mask, 0))
+ lll_futex_wake (futex, 1);
+}
+#define lll_robust_mutex_unlock(futex) \
+ __lll_robust_mutex_unlock(&(futex), FUTEX_WAITERS)
+
+
+static inline void __attribute__ ((always_inline))
__lll_mutex_unlock_force (int *futex)
{
(void) atomic_exchange_rel (futex, 0);
diff --git a/nptl/sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h
index f3f7718e3e..aa42768f70 100644
--- a/nptl/sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h
+++ b/nptl/sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -167,3 +167,9 @@ extern int __local_multiple_threads attribute_hidden;
# define NO_CANCELLATION 1
#endif
+
+#ifndef __ASSEMBLER__
+# define RTLD_SINGLE_THREAD_P \
+ __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
+ header.multiple_threads) == 0, 1)
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/bits/local_lim.h b/nptl/sysdeps/unix/sysv/linux/bits/local_lim.h
index 0bc8e048af..b639ba44af 100644
--- a/nptl/sysdeps/unix/sysv/linux/bits/local_lim.h
+++ b/nptl/sysdeps/unix/sysv/linux/bits/local_lim.h
@@ -3,16 +3,16 @@
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU Library General Public
+ You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
diff --git a/nptl/sysdeps/unix/sysv/linux/bits/posix_opt.h b/nptl/sysdeps/unix/sysv/linux/bits/posix_opt.h
index 09f3df11cb..dd0798a073 100644
--- a/nptl/sysdeps/unix/sysv/linux/bits/posix_opt.h
+++ b/nptl/sysdeps/unix/sysv/linux/bits/posix_opt.h
@@ -1,18 +1,18 @@
/* Define POSIX options for Linux.
- Copyright (C) 1996-2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 1996-2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU Library General Public
+ You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
@@ -60,6 +60,9 @@
/* X/Open realtime support is available. */
#define _XOPEN_REALTIME 1
+/* X/Open thread realtime support is available. */
+#define _XOPEN_REALTIME_THREADS 1
+
/* XPG4.2 shared memory is supported. */
#define _XOPEN_SHM 1
@@ -79,6 +82,13 @@
/* We support user-defined stacks. */
#define _POSIX_THREAD_ATTR_STACKADDR 200112L
+/* We support priority inheritence. */
+#define _POSIX_THREAD_PRIO_INHERIT 200112L
+
+/* We support priority protection, though only for non-robust
+ mutexes. */
+#define _POSIX_THREAD_PRIO_PROTECT 200112L
+
/* We support POSIX.1b semaphores. */
#define _POSIX_SEMAPHORES 200112L
@@ -171,8 +181,4 @@
/* Typed memory objects are not available. */
#define _POSIX_TYPED_MEMORY_OBJECTS -1
-/* No support for priority inheritance or protection so far. */
-#define _POSIX_THREAD_PRIO_INHERIT -1
-#define _POSIX_THREAD_PRIO_PROTECT -1
-
#endif /* posix_opt.h */
diff --git a/nptl/sysdeps/unix/sysv/linux/configure b/nptl/sysdeps/unix/sysv/linux/configure
deleted file mode 100644
index 229414dd74..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/configure
+++ /dev/null
@@ -1,3 +0,0 @@
-# Local configure fragment for sysdeps/unix/sysv/linux.
-
-DEFINES="$DEFINES -D_LIBC_REENTRANT"
diff --git a/nptl/sysdeps/unix/sysv/linux/fork.c b/nptl/sysdeps/unix/sysv/linux/fork.c
index 840974401b..98bb237c06 100644
--- a/nptl/sysdeps/unix/sysv/linux/fork.c
+++ b/nptl/sysdeps/unix/sysv/linux/fork.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -167,8 +167,11 @@ __libc_fork (void)
allp->handler->child_handler ();
/* Note that we do not have to wake any possible waiter.
- This is the only thread in the new process. */
- --allp->handler->refcntr;
+ This is the only thread in the new process. The count
+ may have been bumped up by other threads doing a fork.
+ We reset it to 1, to avoid waiting for non-existing
+ thread(s) to release the count. */
+ allp->handler->refcntr = 1;
/* XXX We could at this point look through the object pool
and mark all objects not on the __fork_handlers list as
diff --git a/nptl/sysdeps/unix/sysv/linux/fork.h b/nptl/sysdeps/unix/sysv/linux/fork.h
index d093ccc907..6458977b99 100644
--- a/nptl/sysdeps/unix/sysv/linux/fork.h
+++ b/nptl/sysdeps/unix/sysv/linux/fork.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -41,7 +41,7 @@ struct fork_handler
};
/* The single linked list of all currently registered for handlers. */
-extern struct fork_handler *__fork_handlers;
+extern struct fork_handler *__fork_handlers attribute_hidden;
/* Function to call to unregister fork handlers. */
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/bits/pthreadtypes.h b/nptl/sysdeps/unix/sysv/linux/i386/bits/pthreadtypes.h
index 4d1c9450b5..f53d0e5a72 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/bits/pthreadtypes.h
+++ b/nptl/sysdeps/unix/sysv/linux/i386/bits/pthreadtypes.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -43,11 +43,17 @@ typedef union
} pthread_attr_t;
+typedef struct __pthread_internal_slist
+{
+ struct __pthread_internal_slist *__next;
+} __pthread_slist_t;
+
+
/* Data structures for mutex handling. The structure of the attribute
type is not exposed on purpose. */
typedef union
{
- struct
+ struct __pthread_mutex_s
{
int __lock;
unsigned int __count;
@@ -56,7 +62,11 @@ typedef union
binary compatibility. */
int __kind;
unsigned int __nusers;
- int __spins;
+ __extension__ union
+ {
+ int __spins;
+ __pthread_slist_t __list;
+ };
} __data;
char __size[__SIZEOF_PTHREAD_MUTEX_T];
long int __align;
@@ -155,6 +165,6 @@ typedef union
/* Extra attributes for the cleanup functions. */
-#define __cleanup_fct_attribute __attribute ((regparm (1)))
+#define __cleanup_fct_attribute __attribute__ ((__regparm__ (1)))
#endif /* bits/pthreadtypes.h */
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/clone.S b/nptl/sysdeps/unix/sysv/linux/i386/clone.S
index 95c17f18e4..675a997e97 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/clone.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/clone.S
@@ -1,2 +1,9 @@
-#define RESET_PID
-#include <sysdeps/unix/sysv/linux/i386/clone.S>
+/* We want an #include_next, but we are the main source file.
+ So, #include ourselves and in that incarnation we can use #include_next. */
+#ifndef INCLUDED_SELF
+# define INCLUDED_SELF
+# include <clone.S>
+#else
+# define RESET_PID
+# include_next <clone.S>
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S
index 223b111083..88885b735d 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S
@@ -22,7 +22,7 @@
#ifndef UP
# define LOCK \
cmpl $0, %gs:MULTIPLE_THREADS_OFFSET; \
- je,pt 0f; \
+ je 0f; \
lock; \
0:
#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S
index dc65b709a1..e2da5b04cf 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -41,9 +41,16 @@
.hidden __lll_mutex_lock_wait
.align 16
__lll_mutex_lock_wait:
+ cfi_startproc
pushl %edx
+ cfi_adjust_cfa_offset(4)
pushl %ebx
+ cfi_adjust_cfa_offset(4)
pushl %esi
+ cfi_adjust_cfa_offset(4)
+ cfi_offset(%edx, -8)
+ cfi_offset(%ebx, -12)
+ cfi_offset(%esi, -16)
movl $2, %edx
movl %ecx, %ebx
@@ -60,12 +67,19 @@ __lll_mutex_lock_wait:
xchgl %eax, (%ebx) /* NB: lock is implied */
testl %eax, %eax
- jnz,pn 1b
+ jnz 1b
popl %esi
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%esi)
popl %ebx
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%ebx)
popl %edx
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%edx)
ret
+ cfi_endproc
.size __lll_mutex_lock_wait,.-__lll_mutex_lock_wait
@@ -75,17 +89,27 @@ __lll_mutex_lock_wait:
.hidden __lll_mutex_timedlock_wait
.align 16
__lll_mutex_timedlock_wait:
+ cfi_startproc
/* Check for a valid timeout value. */
cmpl $1000000000, 4(%edx)
jae 3f
pushl %edi
+ cfi_adjust_cfa_offset(4)
pushl %esi
+ cfi_adjust_cfa_offset(4)
pushl %ebx
+ cfi_adjust_cfa_offset(4)
pushl %ebp
+ cfi_adjust_cfa_offset(4)
+ cfi_offset(%edi, -8)
+ cfi_offset(%esi, -12)
+ cfi_offset(%ebx, -16)
+ cfi_offset(%ebp, -20)
/* Stack frame for the timespec and timeval structs. */
subl $8, %esp
+ cfi_adjust_cfa_offset(8)
movl %ecx, %ebp
movl %edx, %edi
@@ -140,12 +164,29 @@ __lll_mutex_timedlock_wait:
jnz 7f
6: addl $8, %esp
+ cfi_adjust_cfa_offset(-8)
popl %ebp
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%ebp)
popl %ebx
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%ebx)
popl %esi
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%esi)
popl %edi
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%edi)
ret
+3: movl $EINVAL, %eax
+ ret
+
+ cfi_adjust_cfa_offset(24)
+ cfi_offset(%edi, -8)
+ cfi_offset(%esi, -12)
+ cfi_offset(%ebx, -16)
+ cfi_offset(%ebp, -20)
/* Check whether the time expired. */
7: cmpl $-ETIMEDOUT, %ecx
je 5f
@@ -157,11 +198,9 @@ __lll_mutex_timedlock_wait:
jz 6b
jmp 1b
-3: movl $EINVAL, %eax
- ret
-
5: movl $ETIMEDOUT, %eax
jmp 6b
+ cfi_endproc
.size __lll_mutex_timedlock_wait,.-__lll_mutex_timedlock_wait
#endif
@@ -200,9 +239,16 @@ lll_unlock_wake_cb:
.hidden __lll_mutex_unlock_wake
.align 16
__lll_mutex_unlock_wake:
+ cfi_startproc
pushl %ebx
+ cfi_adjust_cfa_offset(4)
pushl %ecx
+ cfi_adjust_cfa_offset(4)
pushl %edx
+ cfi_adjust_cfa_offset(4)
+ cfi_offset(%ebx, -8)
+ cfi_offset(%ecx, -12)
+ cfi_offset(%edx, -16)
movl %eax, %ebx
movl $0, (%eax)
@@ -212,9 +258,16 @@ __lll_mutex_unlock_wake:
ENTER_KERNEL
popl %edx
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%edx)
popl %ecx
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%ecx)
popl %ebx
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%ebx)
ret
+ cfi_endproc
.size __lll_mutex_unlock_wake,.-__lll_mutex_unlock_wake
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S
new file mode 100644
index 0000000000..73d8bc4ccc
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S
@@ -0,0 +1,227 @@
+/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sysdep.h>
+#include <pthread-errnos.h>
+#include <lowlevelrobustlock.h>
+
+ .text
+
+#ifndef LOCK
+# ifdef UP
+# define LOCK
+# else
+# define LOCK lock
+# endif
+#endif
+
+#define SYS_gettimeofday __NR_gettimeofday
+#define SYS_futex 240
+#define FUTEX_WAIT 0
+#define FUTEX_WAKE 1
+#define FUTEX_WAITERS 0x80000000
+#define FUTEX_OWNER_DIED 0x40000000
+
+
+ .globl __lll_robust_mutex_lock_wait
+ .type __lll_robust_mutex_lock_wait,@function
+ .hidden __lll_robust_mutex_lock_wait
+ .align 16
+__lll_robust_mutex_lock_wait:
+ cfi_startproc
+ pushl %edx
+ cfi_adjust_cfa_offset(4)
+ pushl %ebx
+ cfi_adjust_cfa_offset(4)
+ pushl %esi
+ cfi_adjust_cfa_offset(4)
+ cfi_offset(%edx, -8)
+ cfi_offset(%ebx, -12)
+ cfi_offset(%esi, -16)
+
+ movl %ecx, %ebx
+ xorl %esi, %esi /* No timeout. */
+ xorl %ecx, %ecx /* movl $FUTEX_WAIT, %ecx */
+
+4: movl %eax, %edx
+ orl $FUTEX_WAITERS, %edx
+
+ testl $FUTEX_OWNER_DIED, %eax
+ jnz 3f
+
+ cmpl %edx, %eax /* NB: %edx == 2 */
+ je 1f
+
+ LOCK
+ cmpxchgl %edx, (%ebx)
+ jnz 2f
+
+1: movl $SYS_futex, %eax
+ ENTER_KERNEL
+
+ movl (%ebx), %eax
+
+2: test %eax, %eax
+ jne 4b
+
+ movl %gs:TID, %edx
+ orl $FUTEX_WAITERS, %edx
+ LOCK
+ cmpxchgl %edx, (%ebx)
+ jnz 4b
+ /* NB: %eax == 0 */
+
+3: popl %esi
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%esi)
+ popl %ebx
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%ebx)
+ popl %edx
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%edx)
+ ret
+ cfi_endproc
+ .size __lll_robust_mutex_lock_wait,.-__lll_robust_mutex_lock_wait
+
+
+ .globl __lll_robust_mutex_timedlock_wait
+ .type __lll_robust_mutex_timedlock_wait,@function
+ .hidden __lll_robust_mutex_timedlock_wait
+ .align 16
+__lll_robust_mutex_timedlock_wait:
+ cfi_startproc
+ /* Check for a valid timeout value. */
+ cmpl $1000000000, 4(%edx)
+ jae 3f
+
+ pushl %edi
+ cfi_adjust_cfa_offset(4)
+ pushl %esi
+ cfi_adjust_cfa_offset(4)
+ pushl %ebx
+ cfi_adjust_cfa_offset(4)
+ pushl %ebp
+ cfi_adjust_cfa_offset(4)
+ cfi_offset(%edi, -8)
+ cfi_offset(%esi, -12)
+ cfi_offset(%ebx, -16)
+ cfi_offset(%ebp, -20)
+
+ /* Stack frame for the timespec and timeval structs. */
+ subl $12, %esp
+ cfi_adjust_cfa_offset(12)
+
+ movl %ecx, %ebp
+ movl %edx, %edi
+
+1: movl %eax, 8(%esp)
+
+ /* Get current time. */
+ movl %esp, %ebx
+ xorl %ecx, %ecx
+ movl $SYS_gettimeofday, %eax
+ ENTER_KERNEL
+
+ /* Compute relative timeout. */
+ movl 4(%esp), %eax
+ movl $1000, %edx
+ mul %edx /* Milli seconds to nano seconds. */
+ movl (%edi), %ecx
+ movl 4(%edi), %edx
+ subl (%esp), %ecx
+ subl %eax, %edx
+ jns 4f
+ addl $1000000000, %edx
+ subl $1, %ecx
+4: testl %ecx, %ecx
+ js 8f /* Time is already up. */
+
+ /* Store relative timeout. */
+ movl %ecx, (%esp)
+ movl %edx, 4(%esp)
+
+ movl %ebp, %ebx
+
+ movl 8(%esp), %edx
+ movl %edx, %eax
+ orl $FUTEX_WAITERS, %edx
+
+ testl $FUTEX_OWNER_DIED, %eax
+ jnz 6f
+
+ cmpl %eax, %edx
+ je 2f
+
+ LOCK
+ cmpxchgl %edx, (%ebx)
+ movl $0, %ecx /* Must use mov to avoid changing cc. */
+ jnz 5f
+
+2:
+ /* Futex call. */
+ movl %esp, %esi
+ xorl %ecx, %ecx /* movl $FUTEX_WAIT, %ecx */
+ movl $SYS_futex, %eax
+ ENTER_KERNEL
+ movl %eax, %ecx
+
+ movl (%ebx), %eax
+
+5: testl %eax, %eax
+ jne 7f
+
+ movl %gs:TID, %edx
+ orl $FUTEX_WAITERS, %edx
+ LOCK
+ cmpxchgl %edx, (%ebx)
+ jnz 7f
+
+6: addl $12, %esp
+ cfi_adjust_cfa_offset(-12)
+ popl %ebp
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%ebp)
+ popl %ebx
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%ebx)
+ popl %esi
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%esi)
+ popl %edi
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%edi)
+ ret
+
+3: movl $EINVAL, %eax
+ ret
+
+ cfi_adjust_cfa_offset(28)
+ cfi_offset(%edi, -8)
+ cfi_offset(%esi, -12)
+ cfi_offset(%ebx, -16)
+ cfi_offset(%ebp, -20)
+ /* Check whether the time expired. */
+7: cmpl $-ETIMEDOUT, %ecx
+ jne 1b
+
+8: movl $ETIMEDOUT, %eax
+ jmp 6b
+ cfi_endproc
+ .size __lll_robust_mutex_timedlock_wait,.-__lll_robust_mutex_timedlock_wait
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S
index 114284c44c..fe7a8b9c66 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S
@@ -82,7 +82,7 @@ pthread_barrier_wait:
#else
cmpl %edx, CURR_EVENT(%ebx)
#endif
- je,pn 8b
+ je 8b
/* Increment LEFT. If this brings the count back to the
initial count unlock the object. */
@@ -92,7 +92,7 @@ pthread_barrier_wait:
xaddl %edx, LEFT(%ebx)
subl $1, %ecx
cmpl %ecx, %edx
- jne,pt 10f
+ jne 10f
/* Release the mutex. We cannot release the lock before
waking the waiting threads since otherwise a new thread might
@@ -131,7 +131,7 @@ pthread_barrier_wait:
xaddl %edx, LEFT(%ebx)
subl $1, %ecx
cmpl %ecx, %edx
- jne,pt 5f
+ jne 5f
/* Release the mutex. We cannot release the lock before
waking the waiting threads since otherwise a new thread might
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S
index 5471c1c927..56f7be8246 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -21,6 +21,7 @@
#include <shlib-compat.h>
#include <lowlevelcond.h>
#include <kernel-features.h>
+#include <pthread-pi-defines.h>
#ifdef UP
# define LOCK
@@ -94,6 +95,10 @@ __pthread_cond_broadcast:
8: cmpl $-1, %edi
je 9f
+ /* XXX: The kernel so far doesn't support requeue to PI futex. */
+ testl $PI_BIT, MUTEX_KIND(%edi)
+ jne 9f
+
/* Wake up all threads. */
movl $FUTEX_CMP_REQUEUE, %ecx
movl $SYS_futex, %eax
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S
index 3c5a1db59c..d0f931ff15 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -31,7 +31,9 @@
#define SYS_futex 240
#define FUTEX_WAIT 0
#define FUTEX_WAKE 1
-#define FUTEX_REQUEUE 3
+#define FUTEX_WAKE_OP 5
+
+#define FUTEX_OP_CLEAR_WAKE_IF_GT_ONE ((4 << 24) | 1)
#define EINVAL 22
@@ -79,21 +81,46 @@ __pthread_cond_signal:
addl $1, (%ebx)
/* Wake up one thread. */
- movl $FUTEX_WAKE, %ecx
+ pushl %esi
+ pushl %ebp
+ movl $FUTEX_WAKE_OP, %ecx
movl $SYS_futex, %eax
movl $1, %edx
+ movl $1, %esi
+ movl $FUTEX_OP_CLEAR_WAKE_IF_GT_ONE, %ebp
+ /* FIXME: Until Ingo fixes 4G/4G vDSO, 6 arg syscalls are broken for
+ sysenter.
+ ENTER_KERNEL */
+ int $0x80
+ popl %ebp
+ popl %esi
+
+ /* For any kind of error, we try again with WAKE.
+ The general test also covers running on old kernels. */
+ cmpl $-4095, %eax
+ jae 7f
+
+6: xorl %eax, %eax
+ popl %edi
+ popl %ebx
+ ret
+
+7: movl $FUTEX_WAKE, %ecx
+ movl $SYS_futex, %eax
+ /* %edx should be 1 already from $FUTEX_WAKE_OP syscall.
+ movl $1, %edx */
ENTER_KERNEL
/* Unlock. Note that at this point %edi always points to
cond_lock. */
4: LOCK
subl $1, (%edi)
- jne 5f
+ je 6b
-6: xorl %eax, %eax
- popl %edi
- popl %ebx
- ret
+ /* Unlock in loop requires wakeup. */
+5: movl %edi, %eax
+ call __lll_mutex_unlock_wake
+ jmp 6b
/* Initial locking failed. */
1:
@@ -105,10 +132,6 @@ __pthread_cond_signal:
call __lll_mutex_lock_wait
jmp 2b
- /* Unlock in loop requires wakeup. */
-5: movl %edi, %eax
- call __lll_mutex_unlock_wake
- jmp 6b
.size __pthread_cond_signal, .-__pthread_cond_signal
versioned_symbol (libpthread, __pthread_cond_signal, pthread_cond_signal,
GLIBC_2_3_2)
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S
index 699c2cb227..f481a8e43c 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -406,12 +406,22 @@ __condvar_tw_cleanup:
cmpl 20(%esp), %eax
jne 3f
- addl $1, wakeup_seq(%ebx)
+ /* We increment the wakeup_seq counter only if it is lower than
+ total_seq. If this is not the case the thread was woken and
+ then canceled. In this case we ignore the signal. */
+ movl total_seq(%ebx), %eax
+ movl total_seq+4(%ebx), %edi
+ cmpl wakeup_seq+4(%ebx), %edi
+ jb 6f
+ ja 7f
+ cmpl wakeup_seq(%ebx), %eax
+ jbe 7f
+
+6: addl $1, wakeup_seq(%ebx)
adcl $0, wakeup_seq+4(%ebx)
-
addl $1, cond_futex(%ebx)
- addl $1, woken_seq(%ebx)
+7: addl $1, woken_seq(%ebx)
adcl $0, woken_seq+4(%ebx)
3: subl $(1 << clock_bits), cond_nwaiters(%ebx)
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S
index d282785151..f16c7d9198 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -297,12 +297,22 @@ __condvar_w_cleanup:
cmpl 12(%esp), %eax
jne 3f
- addl $1, wakeup_seq(%ebx)
+ /* We increment the wakeup_seq counter only if it is lower than
+ total_seq. If this is not the case the thread was woken and
+ then canceled. In this case we ignore the signal. */
+ movl total_seq(%ebx), %eax
+ movl total_seq+4(%ebx), %edi
+ cmpl wakeup_seq+4(%ebx), %edi
+ jb 6f
+ ja 7f
+ cmpl wakeup_seq(%ebx), %eax
+ jbe 7f
+
+6: addl $1, wakeup_seq(%ebx)
adcl $0, wakeup_seq+4(%ebx)
-
addl $1, cond_futex(%ebx)
- addl $1, woken_seq(%ebx)
+7: addl $1, woken_seq(%ebx)
adcl $0, woken_seq+4(%ebx)
3: subl $(1 << clock_bits), cond_nwaiters(%ebx)
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S
index 3d67329bd1..71e96d2228 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -65,9 +65,14 @@ __new_sem_post:
#endif
addl $_GLOBAL_OFFSET_TABLE_, %ebx
#if USE___THREAD
- movl %gs:0, %edx
- subl errno@gottpoff(%ebx), %edx
+# ifdef NO_TLS_DIRECT_SEG_REFS
+ movl errno@gotntpoff(%ebx), %edx
+ addl %gs:0, %edx
movl $EINVAL, (%edx)
+# else
+ movl errno@gotntpoff(%ebx), %edx
+ movl $EINVAL, %gs:(%edx)
+# endif
#else
call __errno_location@plt
movl $EINVAL, (%eax)
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S
index 5b24476936..bf70e17fca 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -49,12 +49,12 @@ sem_timedwait:
movl (%ecx), %eax
2: testl %eax, %eax
- je,pn 1f
+ je 1f
leal -1(%eax), %edx
LOCK
cmpxchgl %edx, (%ecx)
- jne,pn 2b
+ jne 2b
xorl %eax, %eax
ret
@@ -79,10 +79,7 @@ sem_timedwait:
jae 6f
cfi_offset(3, -16) /* %ebx */
-7: call __pthread_enable_asynccancel
- movl %eax, 8(%esp)
-
- xorl %ecx, %ecx
+7: xorl %ecx, %ecx
movl %esp, %ebx
movl %ecx, %edx
movl $SYS_gettimeofday, %eax
@@ -105,6 +102,10 @@ sem_timedwait:
movl %ecx, (%esp) /* Store relative timeout. */
movl %edx, 4(%esp)
+
+ call __pthread_enable_asynccancel
+ movl %eax, 8(%esp)
+
movl 28(%esp), %ebx
xorl %ecx, %ecx
movl %esp, %esi
@@ -117,7 +118,7 @@ sem_timedwait:
call __pthread_disable_asynccancel
testl %esi, %esi
- je,pt 9f
+ je 9f
cmpl $-EWOULDBLOCK, %esi
jne 3f
@@ -128,7 +129,7 @@ sem_timedwait:
leal -1(%eax), %ecx
LOCK
cmpxchgl %ecx, (%ebx)
- jne,pn 8b
+ jne 8b
addl $12, %esp
cfi_adjust_cfa_offset(-12)
@@ -158,9 +159,14 @@ sem_timedwait:
#endif
addl $_GLOBAL_OFFSET_TABLE_, %ebx
#if USE___THREAD
- movl %gs:0, %edx
- subl errno@gottpoff(%ebx), %edx
+# ifdef NO_TLS_DIRECT_SEG_REFS
+ movl errno@gotntpoff(%ebx), %edx
+ addl %gs:0, %edx
movl %esi, (%edx)
+# else
+ movl errno@gotntpoff(%ebx), %edx
+ movl %esi, %gs:(%edx)
+# endif
#else
call __errno_location@plt
movl %esi, (%eax)
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S
index a7c405d95f..fbc3b3c932 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -42,7 +42,7 @@ __new_sem_trywait:
leal -1(%eax), %edx
LOCK
cmpxchgl %edx, (%ecx)
- jne,pn 2b
+ jne 2b
xorl %eax, %eax
ret
@@ -55,9 +55,14 @@ __new_sem_trywait:
#endif
addl $_GLOBAL_OFFSET_TABLE_, %ecx
#if USE___THREAD
- movl %gs:0, %edx
- subl errno@gottpoff(%ecx), %edx
+# ifdef NO_TLS_DIRECT_SEG_REFS
+ movl errno@gotntpoff(%ecx), %edx
+ addl %gs:0, %edx
movl $EAGAIN, (%edx)
+# else
+ movl errno@gotntpoff(%ecx), %edx
+ movl $EAGAIN, %gs:(%edx)
+# endif
#else
call __errno_location@plt
movl $EAGAIN, (%eax)
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_wait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_wait.S
index b7674dc3ba..b1296275d0 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_wait.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_wait.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -57,12 +57,12 @@ __new_sem_wait:
cfi_offset(6, -12) /* %esi */
3: movl (%ebx), %eax
2: testl %eax, %eax
- je,pn 1f
+ je 1f
leal -1(%eax), %edx
LOCK
cmpxchgl %edx, (%ebx)
- jne,pn 2b
+ jne 2b
xorl %eax, %eax
movl 4(%esp), %esi
@@ -73,7 +73,7 @@ __new_sem_wait:
cfi_adjust_cfa_offset(-12)
ret
- cfi_adjust_cfa_offset(8)
+ cfi_adjust_cfa_offset(12)
cfi_offset(3, -8) /* %ebx */
cfi_offset(6, -12) /* %esi */
1: call __pthread_enable_asynccancel
@@ -102,9 +102,14 @@ __new_sem_wait:
#endif
addl $_GLOBAL_OFFSET_TABLE_, %ebx
#if USE___THREAD
- movl %gs:0, %edx
- subl errno@gottpoff(%ebx), %edx
+# ifdef NO_TLS_DIRECT_SEG_REFS
+ movl errno@gotntpoff(%ebx), %edx
+ addl %gs:0, %edx
movl %esi, (%edx)
+# else
+ movl errno@gotntpoff(%ebx), %edx
+ movl %esi, %gs:(%edx)
+# endif
#else
call __errno_location@plt
movl %esi, (%eax)
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i586/lowlevelrobustlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i586/lowlevelrobustlock.S
new file mode 100644
index 0000000000..f768e16a7d
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i586/lowlevelrobustlock.S
@@ -0,0 +1,20 @@
+/* Copyright (C) 2002, 2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include "../i486/lowlevelrobustlock.S"
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i686/lowlevelrobustlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i686/lowlevelrobustlock.S
new file mode 100644
index 0000000000..f768e16a7d
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i686/lowlevelrobustlock.S
@@ -0,0 +1,20 @@
+/* Copyright (C) 2002, 2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include "../i486/lowlevelrobustlock.S"
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h
index b86f11c9b4..21de09fe91 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h
+++ b/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -35,6 +35,9 @@
#define SYS_futex 240
#define FUTEX_WAIT 0
#define FUTEX_WAKE 1
+#define FUTEX_LOCK_PI 6
+#define FUTEX_UNLOCK_PI 7
+#define FUTEX_TRYLOCK_PI 8
/* Initializer for compatibility lock. */
@@ -65,18 +68,112 @@
#define BUSY_WAIT_NOP asm ("rep; nop")
+#define LLL_STUB_UNWIND_INFO_START \
+ ".section .eh_frame,\"a\",@progbits\n" \
+"5:\t" ".long 7f-6f # Length of Common Information Entry\n" \
+"6:\t" ".long 0x0 # CIE Identifier Tag\n\t" \
+ ".byte 0x1 # CIE Version\n\t" \
+ ".ascii \"zR\\0\" # CIE Augmentation\n\t" \
+ ".uleb128 0x1 # CIE Code Alignment Factor\n\t" \
+ ".sleb128 -4 # CIE Data Alignment Factor\n\t" \
+ ".byte 0x8 # CIE RA Column\n\t" \
+ ".uleb128 0x1 # Augmentation size\n\t" \
+ ".byte 0x1b # FDE Encoding (pcrel sdata4)\n\t" \
+ ".byte 0xc # DW_CFA_def_cfa\n\t" \
+ ".uleb128 0x4\n\t" \
+ ".uleb128 0x0\n\t" \
+ ".align 4\n" \
+"7:\t" ".long 17f-8f # FDE Length\n" \
+"8:\t" ".long 8b-5b # FDE CIE offset\n\t" \
+ ".long 1b-. # FDE initial location\n\t" \
+ ".long 4b-1b # FDE address range\n\t" \
+ ".uleb128 0x0 # Augmentation size\n\t" \
+ ".byte 0x16 # DW_CFA_val_expression\n\t" \
+ ".uleb128 0x8\n\t" \
+ ".uleb128 10f-9f\n" \
+"9:\t" ".byte 0x78 # DW_OP_breg8\n\t" \
+ ".sleb128 3b-1b\n"
+#define LLL_STUB_UNWIND_INFO_END \
+ ".byte 0x16 # DW_CFA_val_expression\n\t" \
+ ".uleb128 0x8\n\t" \
+ ".uleb128 12f-11f\n" \
+"11:\t" ".byte 0x78 # DW_OP_breg8\n\t" \
+ ".sleb128 3b-2b\n" \
+"12:\t" ".byte 0x40 + (3b-2b-1) # DW_CFA_advance_loc\n\t" \
+ ".byte 0x16 # DW_CFA_val_expression\n\t" \
+ ".uleb128 0x8\n\t" \
+ ".uleb128 16f-13f\n" \
+"13:\t" ".byte 0x78 # DW_OP_breg8\n\t" \
+ ".sleb128 15f-14f\n\t" \
+ ".byte 0x0d # DW_OP_const4s\n" \
+"14:\t" ".4byte 3b-.\n\t" \
+ ".byte 0x1c # DW_OP_minus\n\t" \
+ ".byte 0x0d # DW_OP_const4s\n" \
+"15:\t" ".4byte 18f-.\n\t" \
+ ".byte 0x22 # DW_OP_plus\n" \
+"16:\t" ".align 4\n" \
+"17:\t" ".previous\n"
+
+/* Unwind info for
+ 1: lea ..., ...
+ 2: call ...
+ 3: jmp 18f
+ 4:
+ snippet. */
+#define LLL_STUB_UNWIND_INFO_3 \
+LLL_STUB_UNWIND_INFO_START \
+"10:\t" ".byte 0x40 + (2b-1b) # DW_CFA_advance_loc\n\t" \
+LLL_STUB_UNWIND_INFO_END
+
+/* Unwind info for
+ 1: lea ..., ...
+ 0: movl ..., ...
+ 2: call ...
+ 3: jmp 18f
+ 4:
+ snippet. */
+#define LLL_STUB_UNWIND_INFO_4 \
+LLL_STUB_UNWIND_INFO_START \
+"10:\t" ".byte 0x40 + (0b-1b) # DW_CFA_advance_loc\n\t" \
+ ".byte 0x16 # DW_CFA_val_expression\n\t" \
+ ".uleb128 0x8\n\t" \
+ ".uleb128 20f-19f\n" \
+"19:\t" ".byte 0x78 # DW_OP_breg8\n\t" \
+ ".sleb128 3b-0b\n" \
+"20:\t" ".byte 0x40 + (2b-0b) # DW_CFA_advance_loc\n\t" \
+LLL_STUB_UNWIND_INFO_END
+
+
#define lll_futex_wait(futex, val) \
- do { \
- int __ignore; \
+ ({ \
+ int __status; \
register __typeof (val) _val asm ("edx") = (val); \
__asm __volatile (LLL_EBX_LOAD \
LLL_ENTER_KERNEL \
LLL_EBX_LOAD \
- : "=a" (__ignore) \
+ : "=a" (__status) \
: "0" (SYS_futex), LLL_EBX_REG (futex), "S" (0), \
"c" (FUTEX_WAIT), "d" (_val), \
- "i" (offsetof (tcbhead_t, sysinfo))); \
- } while (0)
+ "i" (offsetof (tcbhead_t, sysinfo)) \
+ : "memory"); \
+ __status; \
+ })
+
+
+#define lll_futex_timed_wait(futex, val, timeout) \
+ ({ \
+ int __status; \
+ register __typeof (val) _val asm ("edx") = (val); \
+ __asm __volatile (LLL_EBX_LOAD \
+ LLL_ENTER_KERNEL \
+ LLL_EBX_LOAD \
+ : "=a" (__status) \
+ : "0" (SYS_futex), LLL_EBX_REG (futex), "S" (timeout), \
+ "c" (FUTEX_WAIT), "d" (_val), \
+ "i" (offsetof (tcbhead_t, sysinfo)) \
+ : "memory"); \
+ __status; \
+ })
#define lll_futex_wake(futex, nr) \
@@ -121,6 +218,16 @@ extern int __lll_mutex_unlock_wake (int *__futex)
ret; })
+#define lll_robust_mutex_trylock(futex, id) \
+ ({ int ret; \
+ __asm __volatile (LOCK_INSTR "cmpxchgl %2, %1" \
+ : "=a" (ret), "=m" (futex) \
+ : "r" (id), "m" (futex), \
+ "0" (LLL_MUTEX_LOCK_INITIALIZER) \
+ : "memory"); \
+ ret; })
+
+
#define lll_mutex_cond_trylock(futex) \
({ int ret; \
__asm __volatile (LOCK_INSTR "cmpxchgl %2, %1" \
@@ -137,18 +244,39 @@ extern int __lll_mutex_unlock_wake (int *__futex)
"jnz _L_mutex_lock_%=\n\t" \
".subsection 1\n\t" \
".type _L_mutex_lock_%=,@function\n" \
- "_L_mutex_lock_%=:\n\t" \
- "leal %2, %%ecx\n\t" \
- "call __lll_mutex_lock_wait\n\t" \
- "jmp 1f\n\t" \
- ".size _L_mutex_lock_%=,.-_L_mutex_lock_%=\n" \
+ "_L_mutex_lock_%=:\n" \
+ "1:\tleal %2, %%ecx\n" \
+ "2:\tcall __lll_mutex_lock_wait\n" \
+ "3:\tjmp 18f\n" \
+ "4:\t.size _L_mutex_lock_%=, 4b-1b\n\t" \
".previous\n" \
- "1:" \
+ LLL_STUB_UNWIND_INFO_3 \
+ "18:" \
: "=a" (ignore1), "=c" (ignore2), "=m" (futex) \
: "0" (0), "1" (1), "m" (futex) \
: "memory"); })
+#define lll_robust_mutex_lock(futex, id) \
+ ({ int result, ignore; \
+ __asm __volatile (LOCK_INSTR "cmpxchgl %1, %2\n\t" \
+ "jnz _L_robust_mutex_lock_%=\n\t" \
+ ".subsection 1\n\t" \
+ ".type _L_robust_mutex_lock_%=,@function\n" \
+ "_L_robust_mutex_lock_%=:\n" \
+ "1:\tleal %2, %%ecx\n" \
+ "2:\tcall __lll_robust_mutex_lock_wait\n" \
+ "3:\tjmp 18f\n" \
+ "4:\t.size _L_robust_mutex_lock_%=, 4b-1b\n\t" \
+ ".previous\n" \
+ LLL_STUB_UNWIND_INFO_3 \
+ "18:" \
+ : "=a" (result), "=c" (ignore), "=m" (futex) \
+ : "0" (0), "1" (id), "m" (futex) \
+ : "memory"); \
+ result; })
+
+
/* Special version of lll_mutex_lock which causes the unlock function to
always wakeup waiters. */
#define lll_mutex_cond_lock(futex) \
@@ -157,32 +285,54 @@ extern int __lll_mutex_unlock_wake (int *__futex)
"jnz _L_mutex_cond_lock_%=\n\t" \
".subsection 1\n\t" \
".type _L_mutex_cond_lock_%=,@function\n" \
- "_L_mutex_cond_lock_%=:\n\t" \
- "leal %2, %%ecx\n\t" \
- "call __lll_mutex_lock_wait\n\t" \
- "jmp 1f\n\t" \
- ".size _L_mutex_cond_lock_%=,.-_L_mutex_cond_lock_%=\n" \
+ "_L_mutex_cond_lock_%=:\n" \
+ "1:\tleal %2, %%ecx\n" \
+ "2:\tcall __lll_mutex_lock_wait\n" \
+ "3:\tjmp 18f\n" \
+ "4:\t.size _L_mutex_cond_lock_%=, 4b-1b\n\t" \
".previous\n" \
- "1:" \
+ LLL_STUB_UNWIND_INFO_3 \
+ "18:" \
: "=a" (ignore1), "=c" (ignore2), "=m" (futex) \
: "0" (0), "1" (2), "m" (futex) \
: "memory"); })
+#define lll_robust_mutex_cond_lock(futex, id) \
+ ({ int result, ignore; \
+ __asm __volatile (LOCK_INSTR "cmpxchgl %1, %2\n\t" \
+ "jnz _L_robust_mutex_cond_lock_%=\n\t" \
+ ".subsection 1\n\t" \
+ ".type _L_robust_mutex_cond_lock_%=,@function\n" \
+ "_L_robust_mutex_cond_lock_%=:\n" \
+ "1:\tleal %2, %%ecx\n" \
+ "2:\tcall __lll_robust_mutex_lock_wait\n" \
+ "3:\tjmp 18f\n" \
+ "4:\t.size _L_robust_mutex_cond_lock_%=, 4b-1b\n\t" \
+ ".previous\n" \
+ LLL_STUB_UNWIND_INFO_3 \
+ "18:" \
+ : "=a" (result), "=c" (ignore), "=m" (futex) \
+ : "0" (0), "1" (id | FUTEX_WAITERS), "m" (futex) \
+ : "memory"); \
+ result; })
+
+
#define lll_mutex_timedlock(futex, timeout) \
({ int result, ignore1, ignore2; \
__asm __volatile (LOCK_INSTR "cmpxchgl %1, %3\n\t" \
"jnz _L_mutex_timedlock_%=\n\t" \
".subsection 1\n\t" \
".type _L_mutex_timedlock_%=,@function\n" \
- "_L_mutex_timedlock_%=:\n\t" \
- "leal %3, %%ecx\n\t" \
- "movl %7, %%edx\n\t" \
- "call __lll_mutex_timedlock_wait\n\t" \
- "jmp 1f\n\t" \
- ".size _L_mutex_timedlock_%=,.-_L_mutex_timedlock_%=\n"\
+ "_L_mutex_timedlock_%=:\n" \
+ "1:\tleal %3, %%ecx\n" \
+ "0:\tmovl %7, %%edx\n" \
+ "2:\tcall __lll_mutex_timedlock_wait\n" \
+ "3:\tjmp 18f\n" \
+ "4:\t.size _L_mutex_timedlock_%=, 4b-1b\n\t" \
".previous\n" \
- "1:" \
+ LLL_STUB_UNWIND_INFO_4 \
+ "18:" \
: "=a" (result), "=c" (ignore1), "=&d" (ignore2), \
"=m" (futex) \
: "0" (0), "1" (1), "m" (futex), "m" (timeout) \
@@ -190,24 +340,95 @@ extern int __lll_mutex_unlock_wake (int *__futex)
result; })
+#define lll_robust_mutex_timedlock(futex, timeout, id) \
+ ({ int result, ignore1, ignore2; \
+ __asm __volatile (LOCK_INSTR "cmpxchgl %1, %3\n\t" \
+ "jnz _L_robust_mutex_timedlock_%=\n\t" \
+ ".subsection 1\n\t" \
+ ".type _L_robust_mutex_timedlock_%=,@function\n" \
+ "_L_robust_mutex_timedlock_%=:\n" \
+ "1:\tleal %3, %%ecx\n" \
+ "0:\tmovl %7, %%edx\n" \
+ "2:\tcall __lll_robust_mutex_timedlock_wait\n" \
+ "3:\tjmp 18f\n" \
+ "4:\t.size _L_robust_mutex_timedlock_%=, 4b-1b\n\t" \
+ ".previous\n" \
+ LLL_STUB_UNWIND_INFO_4 \
+ "18:" \
+ : "=a" (result), "=c" (ignore1), "=&d" (ignore2), \
+ "=m" (futex) \
+ : "0" (0), "1" (id), "m" (futex), "m" (timeout) \
+ : "memory"); \
+ result; })
+
+
#define lll_mutex_unlock(futex) \
(void) ({ int ignore; \
- __asm __volatile (LOCK_INSTR "subl $1,%0\n\t" \
+ __asm __volatile (LOCK_INSTR "subl $1, %0\n\t" \
"jne _L_mutex_unlock_%=\n\t" \
".subsection 1\n\t" \
".type _L_mutex_unlock_%=,@function\n" \
- "_L_mutex_unlock_%=:\n\t" \
- "leal %0, %%eax\n\t" \
- "call __lll_mutex_unlock_wake\n\t" \
- "jmp 1f\n\t" \
- ".size _L_mutex_unlock_%=,.-_L_mutex_unlock_%=\n" \
+ "_L_mutex_unlock_%=:\n" \
+ "1:\tleal %0, %%eax\n" \
+ "2:\tcall __lll_mutex_unlock_wake\n" \
+ "3:\tjmp 18f\n" \
+ "4:\t.size _L_mutex_unlock_%=, 4b-1b\n\t" \
".previous\n" \
- "1:" \
+ LLL_STUB_UNWIND_INFO_3 \
+ "18:" \
: "=m" (futex), "=&a" (ignore) \
: "m" (futex) \
: "memory"); })
+#define lll_robust_mutex_unlock(futex) \
+ (void) ({ int ignore; \
+ __asm __volatile (LOCK_INSTR "andl %2, %0\n\t" \
+ "jne _L_robust_mutex_unlock_%=\n\t" \
+ ".subsection 1\n\t" \
+ ".type _L_robust_mutex_unlock_%=,@function\n" \
+ "_L_robust_mutex_unlock_%=:\n\t" \
+ "1:\tleal %0, %%eax\n" \
+ "2:\tcall __lll_mutex_unlock_wake\n" \
+ "3:\tjmp 18f\n" \
+ "4:\t.size _L_robust_mutex_unlock_%=, 4b-1b\n\t"\
+ ".previous\n" \
+ LLL_STUB_UNWIND_INFO_3 \
+ "18:" \
+ : "=m" (futex), "=&a" (ignore) \
+ : "i" (FUTEX_WAITERS), "m" (futex) \
+ : "memory"); })
+
+
+#define lll_robust_mutex_dead(futex) \
+ (void) ({ int __ignore; \
+ register int _nr asm ("edx") = 1; \
+ __asm __volatile (LOCK_INSTR "orl %5, (%2)\n\t" \
+ LLL_EBX_LOAD \
+ LLL_ENTER_KERNEL \
+ LLL_EBX_LOAD \
+ : "=a" (__ignore) \
+ : "0" (SYS_futex), LLL_EBX_REG (&(futex)), \
+ "c" (FUTEX_WAKE), "d" (_nr), \
+ "i" (FUTEX_OWNER_DIED), \
+ "i" (offsetof (tcbhead_t, sysinfo))); })
+
+
+#define lll_futex_wake(futex, nr) \
+ do { \
+ int __ignore; \
+ register __typeof (nr) _nr asm ("edx") = (nr); \
+ __asm __volatile (LLL_EBX_LOAD \
+ LLL_ENTER_KERNEL \
+ LLL_EBX_LOAD \
+ : "=a" (__ignore) \
+ : "0" (SYS_futex), LLL_EBX_REG (futex), \
+ "c" (FUTEX_WAKE), "d" (_nr), \
+ "i" (0) /* phony, to align next arg's number */, \
+ "i" (offsetof (tcbhead_t, sysinfo))); \
+ } while (0)
+
+
#define lll_mutex_islocked(futex) \
(futex != 0)
@@ -250,7 +471,7 @@ extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
# define lll_trylock(futex) \
({ unsigned char ret; \
__asm __volatile ("cmpl $0, %%gs:%P5\n\t" \
- "je,pt 0f\n\t" \
+ "je 0f\n\t" \
"lock\n" \
"0:\tcmpxchgl %2, %1; setne %0" \
: "=a" (ret), "=m" (futex) \
@@ -264,19 +485,20 @@ extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
# define lll_lock(futex) \
(void) ({ int ignore1, ignore2; \
__asm __volatile ("cmpl $0, %%gs:%P6\n\t" \
- "je,pt 0f\n\t" \
+ "je 0f\n\t" \
"lock\n" \
"0:\tcmpxchgl %1, %2\n\t" \
- "jnz _L_mutex_lock_%=\n\t" \
+ "jnz _L_lock_%=\n\t" \
".subsection 1\n\t" \
- ".type _L_mutex_lock_%=,@function\n" \
- "_L_mutex_lock_%=:\n\t" \
- "leal %2, %%ecx\n\t" \
- "call __lll_mutex_lock_wait\n\t" \
- "jmp 1f\n\t" \
- ".size _L_mutex_lock_%=,.-_L_mutex_lock_%=\n" \
+ ".type _L_lock_%=,@function\n" \
+ "_L_lock_%=:\n" \
+ "1:\tleal %2, %%ecx\n" \
+ "2:\tcall __lll_mutex_lock_wait\n" \
+ "3:\tjmp 18f\n" \
+ "4:\t.size _L_lock_%=, 4b-1b\n\t" \
".previous\n" \
- "1:" \
+ LLL_STUB_UNWIND_INFO_3 \
+ "18:" \
: "=a" (ignore1), "=c" (ignore2), "=m" (futex) \
: "0" (0), "1" (1), "m" (futex), \
"i" (offsetof (tcbhead_t, multiple_threads)) \
@@ -286,19 +508,20 @@ extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
# define lll_unlock(futex) \
(void) ({ int ignore; \
__asm __volatile ("cmpl $0, %%gs:%P3\n\t" \
- "je,pt 0f\n\t" \
+ "je 0f\n\t" \
"lock\n" \
- "0:\tsubl $1,%0\n\t" \
- "jne _L_mutex_unlock_%=\n\t" \
+ "0:\tsubl $1,%0\n\t" \
+ "jne _L_unlock_%=\n\t" \
".subsection 1\n\t" \
- ".type _L_mutex_unlock_%=,@function\n" \
- "_L_mutex_unlock_%=:\n\t" \
- "leal %0, %%eax\n\t" \
- "call __lll_mutex_unlock_wake\n\t" \
- "jmp 1f\n\t" \
- ".size _L_mutex_unlock_%=,.-_L_mutex_unlock_%=\n" \
+ ".type _L_unlock_%=,@function\n" \
+ "_L_unlock_%=:\n" \
+ "1:\tleal %0, %%eax\n" \
+ "2:\tcall __lll_mutex_unlock_wake\n" \
+ "3:\tjmp 18f\n\t" \
+ "4:\t.size _L_unlock_%=, 4b-1b\n\t" \
".previous\n" \
- "1:" \
+ LLL_STUB_UNWIND_INFO_3 \
+ "18:" \
: "=m" (futex), "=&a" (ignore) \
: "m" (futex), \
"i" (offsetof (tcbhead_t, multiple_threads)) \
@@ -325,12 +548,13 @@ extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
"1:\tmovl %1, %%eax\n\t" \
LLL_ENTER_KERNEL \
"cmpl $0, (%%ebx)\n\t" \
- "jne,pn 1b\n\t" \
+ "jne 1b\n\t" \
LLL_EBX_LOAD \
: "=&a" (__ignore) \
: "i" (SYS_futex), LLL_EBX_REG (&tid), "S" (0), \
"c" (FUTEX_WAIT), "d" (_tid), \
- "i" (offsetof (tcbhead_t, sysinfo))); \
+ "i" (offsetof (tcbhead_t, sysinfo)) \
+ : "memory"); \
} while (0)
extern int __lll_timedwait_tid (int *tid, const struct timespec *abstime)
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/not-cancel.h b/nptl/sysdeps/unix/sysv/linux/i386/not-cancel.h
index cc3282fbdd..6557359b43 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/not-cancel.h
+++ b/nptl/sysdeps/unix/sysv/linux/i386/not-cancel.h
@@ -1,5 +1,5 @@
/* Uncancelable versions of cancelable interfaces. Linux/NPTL version.
- Copyright (C) 2003 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
@@ -26,13 +26,21 @@ extern int __close_nocancel (int) attribute_hidden;
extern int __read_nocancel (int, void *, size_t) attribute_hidden;
extern int __write_nocancel (int, const void *, size_t) attribute_hidden;
extern pid_t __waitpid_nocancel (pid_t, int *, int) attribute_hidden;
+extern int __openat_nocancel (int fd, const char *fname, int oflag,
+ mode_t mode) attribute_hidden;
+extern int __openat64_nocancel (int fd, const char *fname, int oflag,
+ mode_t mode) attribute_hidden;
#else
-#define __open_nocancel(name, ...) __open (name, __VA_ARGS__)
-#define __close_nocancel(fd) __close (fd)
-#define __read_nocancel(fd, buf, len) __read (fd, buf, len)
-#define __write_nocancel(fd, buf, len) __write (fd, buf, len)
-#define __waitpid_nocancel(pid, stat_loc, options) \
+# define __open_nocancel(name, ...) __open (name, __VA_ARGS__)
+# define __close_nocancel(fd) __close (fd)
+# define __read_nocancel(fd, buf, len) __read (fd, buf, len)
+# define __write_nocancel(fd, buf, len) __write (fd, buf, len)
+# define __waitpid_nocancel(pid, stat_loc, options) \
__waitpid (pid, stat_loc, options)
+# define __openat_nocancel(fd, fname, oflag, mode) \
+ openat (fd, fname, oflag, mode)
+# define __openat64_nocancel(fd, fname, oflag, mode) \
+ openat64 (fd, fname, oflag, mode)
#endif
/* Uncancelable open. */
@@ -41,6 +49,16 @@ extern pid_t __waitpid_nocancel (pid_t, int *, int) attribute_hidden;
#define open_not_cancel_2(name, flags) \
__open_nocancel (name, flags)
+/* Uncancelable openat. */
+#define openat_not_cancel(fd, fname, oflag, mode) \
+ __openat_nocancel (fd, fname, oflag, mode)
+#define openat_not_cancel_3(fd, fname, oflag) \
+ __openat_nocancel (fd, fname, oflag, 0)
+#define openat64_not_cancel(fd, fname, oflag, mode) \
+ __openat64_nocancel (fd, fname, oflag, mode)
+#define openat64_not_cancel_3(fd, fname, oflag) \
+ __openat64_nocancel (fd, fname, oflag, 0)
+
/* Uncancelable close. */
#define close_not_cancel(fd) \
__close_nocancel (fd)
@@ -73,3 +91,15 @@ extern pid_t __waitpid_nocancel (pid_t, int *, int) attribute_hidden;
# define waitpid_not_cancel(pid, stat_loc, options) \
INLINE_SYSCALL (wait4, 4, pid, stat_loc, options, NULL)
#endif
+
+/* Uncancelable pause. */
+#define pause_not_cancel() \
+ __pause_nocancel ()
+
+/* Uncancelable nanosleep. */
+#define nanosleep_not_cancel(requested_time, remaining) \
+ __nanosleep_nocancel (requested_time, remaining)
+
+/* Uncancelable sigsuspend. */
+#define sigsuspend_not_cancel(set) \
+ __sigsuspend_nocancel (set)
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/smp.h b/nptl/sysdeps/unix/sysv/linux/i386/smp.h
new file mode 100644
index 0000000000..f68a0c0758
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/i386/smp.h
@@ -0,0 +1,56 @@
+/* Determine whether the host has multiple processors. Linux version.
+ Copyright (C) 1996, 2002, 2004, 2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <string.h>
+#include <sys/utsname.h>
+#include <not-cancel.h>
+
+/* Test whether the machine has more than one processor. This is not the
+ best test but good enough. More complicated tests would require `malloc'
+ which is not available at that time. */
+static inline int
+is_smp_system (void)
+{
+ union
+ {
+ struct utsname uts;
+ char buf[512];
+ } u;
+ char *cp;
+
+ /* Try reading the number using `sysctl' first. */
+ if (uname (&u.uts) == 0)
+ cp = u.uts.version;
+ else
+ {
+ /* This was not successful. Now try reading the /proc filesystem. */
+ int fd = open_not_cancel_2 ("/proc/sys/kernel/version", O_RDONLY);
+ if (__builtin_expect (fd, 0) == -1
+ || read_not_cancel (fd, u.buf, sizeof (u.buf)) <= 0)
+ /* This also didn't work. We give up and say it's a UP machine. */
+ u.buf[0] = '\0';
+
+ close_not_cancel_no_status (fd);
+ cp = u.buf;
+ }
+
+ return strstr (cp, "SMP") != NULL;
+}
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h
index 8142455781..d60dcd33d5 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h
+++ b/nptl/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2002.
@@ -29,7 +29,6 @@
# define PSEUDO(name, syscall_name, args) \
.text; \
ENTRY (name) \
- L(name##START): \
cmpl $0, %gs:MULTIPLE_THREADS_OFFSET; \
jne L(pseudo_cancel); \
.type __##syscall_name##_nocancel,@function; \
@@ -51,258 +50,11 @@
POPSTATE_##args \
cmpl $-4095, %eax; \
jae SYSCALL_ERROR_LABEL; \
- L(pseudo_end): \
- \
- /* Create unwinding information for the syscall wrapper. */ \
- .section .eh_frame,"a",@progbits; \
- L(STARTFRAME): \
- /* Length of the CIE. */ \
- .long L(ENDCIE)-L(STARTCIE); \
- L(STARTCIE): \
- /* CIE ID. */ \
- .long 0; \
- /* Version number. */ \
- .byte 1; \
- /* NUL-terminated augmentation string. */ \
- AUGMENTATION_STRING; \
- /* Code alignment factor. */ \
- .uleb128 1; \
- /* Data alignment factor. */ \
- .sleb128 -4; \
- /* Return address register column. */ \
- .byte 8; \
- /* Optional augmentation parameter. */ \
- AUGMENTATION_PARAM \
- /* Start of the table initialization. */ \
- .byte 0xc; /* DW_CFA_def_cfa */ \
- .uleb128 4; \
- .uleb128 4; \
- .byte 0x88; /* DW_CFA_offset, column 0x8 */ \
- .uleb128 1; \
- .align 4; \
- L(ENDCIE): \
- /* Length of the FDE. */ \
- .long L(ENDFDE)-L(STARTFDE); \
- L(STARTFDE): \
- /* CIE pointer. */ \
- .long L(STARTFDE)-L(STARTFRAME); \
- /* Start address of the code. */ \
- START_SYMBOL_REF (name); \
- /* Length of the code. */ \
- .long L(name##END)-L(name##START); \
- /* Augmentation data. */ \
- AUGMENTATION_PARAM_FDE \
- /* The rest of the code depends on the number of parameters the syscall \
- takes. */ \
- EH_FRAME_##args(name); \
- .align 4; \
- L(ENDFDE): \
- .previous
-
-# ifdef SHARED
-/* NUL-terminated augmentation string. Note "z" means there is an
- augmentation value later on. */
-# define AUGMENTATION_STRING .string "zR"
-# define AUGMENTATION_PARAM \
- /* Augmentation value length. */ \
- .uleb128 1; \
- /* Encoding: DW_EH_PE_pcrel + DW_EH_PE_sdata4. */ \
- .byte 0x1b;
-# define AUGMENTATION_PARAM_FDE \
- /* No augmentation data. */ \
- .uleb128 0;
-# define START_SYMBOL_REF(name) \
- /* PC-relative start address of the code. */ \
- .long L(name##START)-.
-# else
-/* No augmentation. */
-# define AUGMENTATION_STRING .ascii "\0"
-# define AUGMENTATION_PARAM /* nothing */
-# define AUGMENTATION_PARAM_FDE /* nothing */
-# define START_SYMBOL_REF(name) \
- /* Absolute start address of the code. */ \
- .long L(name##START)
-# endif
-
-/* Callframe description for syscalls without parameters. This is very
- simple. The only place the stack pointer is changed is when the old
- cancellation state value is saved. */
-# define EH_FRAME_0(name) \
- .byte 0x40+L(PUSHSTATE)-L(name##START); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 8; \
- .byte 0x40+L(POPSTATE)-L(PUSHSTATE); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 4
-
-/* For syscalls with one and two parameters the code is the same as for
- those which take no parameter. */
-# define EH_FRAME_1(name) \
- .byte 0x40+L(SAVEBX1)-L(name##START); /* DW_CFA_advance_loc+N */ \
- .byte 9; /* DW_CFA_register */ \
- .uleb128 3; /* %ebx */ \
- .uleb128 2; /* %edx */ \
- .byte 0x40+L(RESTBX1)-L(SAVEBX1); /* DW_CFA_advance_loc+N */ \
- .byte 0xc3; /* DW_CFA_restore %ebx */ \
- .byte 0x40+L(PUSHSTATE)-L(RESTBX1); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 8; \
- .byte 0x40+L(SAVEBX2)-L(PUSHSTATE); /* DW_CFA_advance_loc+N */ \
- .byte 9; /* DW_CFA_register */ \
- .uleb128 3; /* %ebx */ \
- .uleb128 2; /* %edx */ \
- .byte 0x40+L(RESTBX2)-L(SAVEBX2); /* DW_CFA_advance_loc+N */ \
- .byte 0xc3; /* DW_CFA_restore %ebx */ \
- .byte 0x40+L(POPSTATE)-L(RESTBX2); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 4
-
-# define EH_FRAME_2(name) EH_FRAME_1 (name)
-
-/* For syscalls with three parameters the stack pointer is changed
- also to save the content of the %ebx register. */
-# define EH_FRAME_3(name) \
- .byte 0x40+L(PUSHBX1)-L(name##START); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 8; \
- .byte 0x83; /* DW_CFA_offset %ebx */ \
- .uleb128 2; \
- .byte 0x40+L(POPBX1)-L(PUSHBX1); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 4; \
- .byte 0xc3; /* DW_CFA_restore %ebx */ \
- .byte 0x40+L(PUSHSTATE)-L(POPBX1); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 8; \
- .byte 0x40+L(PUSHBX2)-L(PUSHSTATE); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 12; \
- .byte 0x83; /* DW_CFA_offset %ebx */ \
- .uleb128 3; \
- .byte 0x40+L(POPBX2)-L(PUSHBX2); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 8; \
- .byte 0xc3; /* DW_CFA_restore %ebx */ \
- .byte 0x40+L(POPSTATE)-L(POPBX2); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 4
-
-/* With four parameters the syscall wrappers have to save %ebx and %esi. */
-# define EH_FRAME_4(name) \
- .byte 0x40+L(PUSHSI1)-L(name##START); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 8; \
- .byte 0x86; /* DW_CFA_offset %esi */ \
- .uleb128 2; \
- .byte 0x40+L(PUSHBX1)-L(PUSHSI1); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 12; \
- .byte 0x83; /* DW_CFA_offset %ebx */ \
- .uleb128 3; \
- .byte 0x40+L(POPBX1)-L(PUSHBX1); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 8; \
- .byte 0xc3; /* DW_CFA_restore %ebx */ \
- .byte 0x40+L(POPSI1)-L(POPBX1); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 4; \
- .byte 0xc6; /* DW_CFA_restore %esi */ \
- .byte 0x40+L(PUSHSTATE)-L(POPSI1); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 8; \
- .byte 0x40+L(PUSHSI2)-L(PUSHSTATE); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 12; \
- .byte 0x86; /* DW_CFA_offset %esi */ \
- .uleb128 3; \
- .byte 0x40+L(PUSHBX2)-L(PUSHSI2); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 16; \
- .byte 0x83; /* DW_CFA_offset %ebx */ \
- .uleb128 4; \
- .byte 0x40+L(POPBX2)-L(PUSHBX2); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 12; \
- .byte 0xc3; /* DW_CFA_restore %ebx */ \
- .byte 0x40+L(POPSI2)-L(POPBX2); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 8; \
- .byte 0xc6; /* DW_CFA_restore %esi */ \
- .byte 0x40+L(POPSTATE)-L(POPSI2); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 4
-
-/* With five parameters the syscall wrappers have to save %ebx, %esi,
- and %edi. */
-# define EH_FRAME_5(name) \
- .byte 0x40+L(PUSHDI1)-L(name##START); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 8; \
- .byte 0x87; /* DW_CFA_offset %edi */ \
- .uleb128 2; \
- .byte 0x40+L(PUSHSI1)-L(PUSHDI1); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 12; \
- .byte 0x86; /* DW_CFA_offset %esi */ \
- .uleb128 3; \
- .byte 0x40+L(PUSHBX1)-L(PUSHSI1); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 16; \
- .byte 0x83; /* DW_CFA_offset %ebx */ \
- .uleb128 4; \
- .byte 0x40+L(POPBX1)-L(PUSHBX1); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 12; \
- .byte 0xc3; /* DW_CFA_restore %ebx */ \
- .byte 0x40+L(POPSI1)-L(POPBX1); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 8; \
- .byte 0xc6; /* DW_CFA_restore %esi */ \
- .byte 0x40+L(POPDI1)-L(POPSI1); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 4; \
- .byte 0xc7; /* DW_CFA_restore %edi */ \
- .byte 0x40+L(PUSHSTATE)-L(POPDI1); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 8; \
- .byte 0x40+L(PUSHDI2)-L(PUSHSTATE); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 12; \
- .byte 0x87; /* DW_CFA_offset %edi */ \
- .uleb128 3; \
- .byte 0x40+L(PUSHSI2)-L(PUSHDI2); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 16; \
- .byte 0x86; /* DW_CFA_offset %esi */ \
- .uleb128 4; \
- .byte 0x40+L(PUSHBX2)-L(PUSHSI2); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 20; \
- .byte 0x83; /* DW_CFA_offset %ebx */ \
- .uleb128 5; \
- .byte 0x40+L(POPBX2)-L(PUSHBX2); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 16; \
- .byte 0xc3; /* DW_CFA_restore %ebx */ \
- .byte 0x40+L(POPSI2)-L(POPBX2); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 12; \
- .byte 0xc6; /* DW_CFA_restore %esi */ \
- .byte 0x40+L(POPDI2)-L(POPSI2); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 8; \
- .byte 0xc7; /* DW_CFA_restore %edi */ \
- .byte 0x40+L(POPSTATE)-L(POPDI2); /* DW_CFA_advance_loc+N */ \
- .byte 14; /* DW_CFA_def_cfa_offset */ \
- .uleb128 4
-
-
-# undef ASM_SIZE_DIRECTIVE
-# define ASM_SIZE_DIRECTIVE(name) L(name##END): .size name,.-name;
+ L(pseudo_end):
# define SAVE_OLDTYPE_0 movl %eax, %ecx;
# define SAVE_OLDTYPE_1 SAVE_OLDTYPE_0
-# define SAVE_OLDTYPE_2 pushl %eax; L(PUSHSTATE):
+# define SAVE_OLDTYPE_2 pushl %eax; cfi_adjust_cfa_offset (4);
# define SAVE_OLDTYPE_3 SAVE_OLDTYPE_2
# define SAVE_OLDTYPE_4 SAVE_OLDTYPE_2
# define SAVE_OLDTYPE_5 SAVE_OLDTYPE_2
@@ -313,11 +65,13 @@
# define _PUSHCARGS_0 /* No arguments to push. */
# define _POPCARGS_0 /* No arguments to pop. */
-# define PUSHCARGS_1 movl %ebx, %edx; L(SAVEBX2): PUSHCARGS_0
+# define PUSHCARGS_1 movl %ebx, %edx; cfi_register (ebx, edx); PUSHCARGS_0
# define DOCARGS_1 _DOARGS_1 (4)
-# define POPCARGS_1 POPCARGS_0; movl %edx, %ebx; L(RESTBX2):
-# define _PUSHCARGS_1 pushl %ebx; L(PUSHBX2): _PUSHCARGS_0
-# define _POPCARGS_1 _POPCARGS_0; popl %ebx; L(POPBX2):
+# define POPCARGS_1 POPCARGS_0; movl %edx, %ebx; cfi_restore (ebx);
+# define _PUSHCARGS_1 pushl %ebx; cfi_adjust_cfa_offset (4); \
+ cfi_rel_offset (ebx, 0); _PUSHCARGS_0
+# define _POPCARGS_1 _POPCARGS_0; popl %ebx; \
+ cfi_adjust_cfa_offset (-4); cfi_restore (ebx);
# define PUSHCARGS_2 PUSHCARGS_1
# define DOCARGS_2 _DOARGS_2 (12)
@@ -334,14 +88,18 @@
# define PUSHCARGS_4 _PUSHCARGS_4
# define DOCARGS_4 _DOARGS_4 (28)
# define POPCARGS_4 _POPCARGS_4
-# define _PUSHCARGS_4 pushl %esi; L(PUSHSI2): _PUSHCARGS_3
-# define _POPCARGS_4 _POPCARGS_3; popl %esi; L(POPSI2):
+# define _PUSHCARGS_4 pushl %esi; cfi_adjust_cfa_offset (4); \
+ cfi_rel_offset (esi, 0); _PUSHCARGS_3
+# define _POPCARGS_4 _POPCARGS_3; popl %esi; \
+ cfi_adjust_cfa_offset (-4); cfi_restore (esi);
# define PUSHCARGS_5 _PUSHCARGS_5
# define DOCARGS_5 _DOARGS_5 (36)
# define POPCARGS_5 _POPCARGS_5
-# define _PUSHCARGS_5 pushl %edi; L(PUSHDI2): _PUSHCARGS_4
-# define _POPCARGS_5 _POPCARGS_4; popl %edi; L(POPDI2):
+# define _PUSHCARGS_5 pushl %edi; cfi_adjust_cfa_offset (4); \
+ cfi_rel_offset (edi, 0); _PUSHCARGS_4
+# define _POPCARGS_5 _POPCARGS_4; popl %edi; \
+ cfi_adjust_cfa_offset (-4); cfi_restore (edi);
# ifdef IS_IN_libpthread
# define CENABLE call __pthread_enable_asynccancel;
@@ -356,9 +114,11 @@
# error Unsupported library
# endif
# define POPSTATE_0 \
- pushl %eax; L(PUSHSTATE): movl %ecx, %eax; CDISABLE; popl %eax; L(POPSTATE):
+ pushl %eax; cfi_adjust_cfa_offset (4); movl %ecx, %eax; \
+ CDISABLE; popl %eax; cfi_adjust_cfa_offset (-4);
# define POPSTATE_1 POPSTATE_0
-# define POPSTATE_2 xchgl (%esp), %eax; CDISABLE; popl %eax; L(POPSTATE):
+# define POPSTATE_2 xchgl (%esp), %eax; CDISABLE; popl %eax; \
+ cfi_adjust_cfa_offset (-4);
# define POPSTATE_3 POPSTATE_2
# define POPSTATE_4 POPSTATE_3
# define POPSTATE_5 POPSTATE_4
@@ -377,3 +137,9 @@
# define NO_CANCELLATION 1
#endif
+
+#ifndef __ASSEMBLER__
+# define RTLD_SINGLE_THREAD_P \
+ __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
+ header.multiple_threads) == 0, 1)
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/vfork.S b/nptl/sysdeps/unix/sysv/linux/i386/vfork.S
index 52336102c7..37f0842051 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/vfork.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/vfork.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999, 2002, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1999,2002,2004,2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -16,10 +16,17 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
-#include <tcb-offsets.h>
+/* We want an #include_next, but we are the main source file.
+ So, #include ourselves and in that incarnation we can use #include_next. */
+#ifndef INCLUDED_SELF
+# define INCLUDED_SELF
+# include <vfork.S>
+#else
+
+# include <tcb-offsets.h>
/* Save the PID value. */
-#define SAVE_PID \
+# define SAVE_PID \
movl %gs:PID, %edx; \
movl %edx, %eax; \
negl %eax; \
@@ -28,11 +35,11 @@
1: movl %eax, %gs:PID
/* Restore the old PID value in the parent. */
-#define RESTORE_PID \
+# define RESTORE_PID \
testl %eax, %eax; \
je 1f; \
movl %edx, %gs:PID; \
1:
-
-#include <sysdeps/unix/sysv/linux/i386/vfork.S>
+# include_next <vfork.S>
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/__ia64_longjmp.S b/nptl/sysdeps/unix/sysv/linux/ia64/__ia64_longjmp.S
index 1ceb210c2f..a1120d4d72 100644
--- a/nptl/sysdeps/unix/sysv/linux/ia64/__ia64_longjmp.S
+++ b/nptl/sysdeps/unix/sysv/linux/ia64/__ia64_longjmp.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999, 2000, 2001, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1999, 2000, 2001, 2004, 2005 Free Software Foundation, Inc.
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>.
The GNU C Library is free software; you can redistribute it and/or
@@ -102,6 +102,9 @@ LEAF(__ia64_longjmp)
;;
ld8.nta r20=[r2],16 // b4
ld8.nta r21=[r3],16 // b5
+#ifdef PTR_DEMANGLE
+ PTR_DEMANGLE (r16, r24)
+#endif
;;
ld8.nta r11=[r2],16 // ar.pfs
ld8.nta r22=[r3],56 // ar.lc
diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/bits/pthreadtypes.h b/nptl/sysdeps/unix/sysv/linux/ia64/bits/pthreadtypes.h
index afb8800ac9..892769dca4 100644
--- a/nptl/sysdeps/unix/sysv/linux/ia64/bits/pthreadtypes.h
+++ b/nptl/sysdeps/unix/sysv/linux/ia64/bits/pthreadtypes.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
@@ -43,11 +43,18 @@ typedef union
} pthread_attr_t;
+typedef struct __pthread_internal_list
+{
+ struct __pthread_internal_list *__prev;
+ struct __pthread_internal_list *__next;
+} __pthread_list_t;
+
+
/* Data structures for mutex handling. The structure of the attribute
type is not exposed on purpose. */
typedef union
{
- struct
+ struct __pthread_mutex_s
{
int __lock;
unsigned int __count;
@@ -57,6 +64,8 @@ typedef union
binary compatibility. */
int __kind;
int __spins;
+ __pthread_list_t __list;
+#define __PTHREAD_MUTEX_HAVE_PREV 1
} __data;
char __size[__SIZEOF_PTHREAD_MUTEX_T];
long int __align;
diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/clone2.S b/nptl/sysdeps/unix/sysv/linux/ia64/clone2.S
index 8664056f27..91f28bab37 100644
--- a/nptl/sysdeps/unix/sysv/linux/ia64/clone2.S
+++ b/nptl/sysdeps/unix/sysv/linux/ia64/clone2.S
@@ -1,2 +1,9 @@
-#define RESET_PID
-#include <sysdeps/unix/sysv/linux/ia64/clone2.S>
+/* We want an #include_next, but we are the main source file.
+ So, #include ourselves and in that incarnation we can use #include_next. */
+#ifndef INCLUDED_SELF
+# define INCLUDED_SELF
+# include <clone2.S>
+#else
+# define RESET_PID
+# include_next <clone2.S>
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/createthread.c b/nptl/sysdeps/unix/sysv/linux/ia64/createthread.c
index 8ac06e8101..cd5f8137d5 100644
--- a/nptl/sysdeps/unix/sysv/linux/ia64/createthread.c
+++ b/nptl/sysdeps/unix/sysv/linux/ia64/createthread.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>.
@@ -18,7 +18,7 @@
02111-1307 USA. */
/* Value passed to 'clone' for initialization of the thread register. */
-#define TLS_VALUE (pd + 1)
+#define TLS_VALUE ((char *) pd + TLS_PRE_TCB_SIZE)
#define ARCH_CLONE __clone2
diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/dl-sysdep.h b/nptl/sysdeps/unix/sysv/linux/ia64/dl-sysdep.h
index af835c44b1..525b622a68 100644
--- a/nptl/sysdeps/unix/sysv/linux/ia64/dl-sysdep.h
+++ b/nptl/sysdeps/unix/sysv/linux/ia64/dl-sysdep.h
@@ -1,5 +1,5 @@
/* System-specific settings for dynamic linker code. IA-64 version.
- Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -57,7 +57,7 @@ extern int _dl_sysinfo_break attribute_hidden;
".body\n\t" \
"break 0x100000;\n\t" \
"br.ret.sptk.many b6;\n\t" \
- ".endp _dl_sysinfo_break" \
+ ".endp _dl_sysinfo_break\n\t" \
".previous");
#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/jmpbuf-unwind.h b/nptl/sysdeps/unix/sysv/linux/ia64/jmpbuf-unwind.h
deleted file mode 100644
index c6ef5f7fbd..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/ia64/jmpbuf-unwind.h
+++ /dev/null
@@ -1,39 +0,0 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-#include <setjmp.h>
-#include <stdint.h>
-#include <unwind.h>
-
-#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
- ({ uintptr_t _cfa = (uintptr_t) _Unwind_GetCFA (_context) - (_adj); \
- (_cfa < (uintptr_t)(((long *)(_jmpbuf))[0]) - (_adj) \
- || (_cfa == (uintptr_t)(((long *)(_jmpbuf))[0]) - (_adj) \
- && (uintptr_t) _Unwind_GetBSP (_context) - (_adj) \
- >= (uintptr_t)(((long *)(_jmpbuf))[17]) - (_adj))); \
- })
-
-#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
- ((uintptr_t)(_address) - (_adj) < (uintptr_t)(((long *)_jmpbuf)[0]) - (_adj))
-
-/* We use a longjmp() which can cross from the alternate signal-stack
- to the normal stack. */
-extern void __libc_unwind_longjmp (sigjmp_buf env, int val)
- __attribute__ ((noreturn));
-hidden_proto (__libc_unwind_longjmp)
diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h
index e13358ffef..8df997a262 100644
--- a/nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h
+++ b/nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
@@ -31,6 +31,11 @@
#define FUTEX_WAKE 1
#define FUTEX_REQUEUE 3
#define FUTEX_CMP_REQUEUE 4
+#define FUTEX_WAKE_OP 5
+#define FUTEX_OP_CLEAR_WAKE_IF_GT_ONE ((4 << 24) | 1)
+#define FUTEX_LOCK_PI 6
+#define FUTEX_UNLOCK_PI 7
+#define FUTEX_TRYLOCK_PI 8
/* Delay in spinlock loop. */
#define BUSY_WAIT_NOP asm ("hint @pause")
@@ -53,6 +58,15 @@
_r10 == -1 ? -_retval : _retval; \
})
+#define lll_robust_mutex_dead(futexv) \
+do \
+ { \
+ int *__futexp = &(futexv); \
+ atomic_or (__futexp, FUTEX_OWNER_DIED); \
+ DO_INLINE_SYSCALL(futex, 3, (long) __futexp, FUTEX_WAKE, 1); \
+ } \
+while (0)
+
/* Returns non-zero if error happened, zero if success. */
#define lll_futex_requeue(ftx, nr_wake, nr_move, mutex, val) \
({ \
@@ -62,18 +76,34 @@
_r10 == -1; \
})
+/* Returns non-zero if error happened, zero if success. */
+#define lll_futex_wake_unlock(ftx, nr_wake, nr_wake2, ftx2) \
+({ \
+ DO_INLINE_SYSCALL(futex, 6, (long) (ftx), FUTEX_WAKE_OP, \
+ (int) (nr_wake), (int) (nr_wake2), (long) (ftx2), \
+ FUTEX_OP_CLEAR_WAKE_IF_GT_ONE); \
+ _r10 == -1; \
+})
+
#define __lll_mutex_trylock(futex) \
(atomic_compare_and_exchange_val_acq (futex, 1, 0) != 0)
#define lll_mutex_trylock(futex) __lll_mutex_trylock (&(futex))
+#define __lll_robust_mutex_trylock(futex, id) \
+ (atomic_compare_and_exchange_val_acq (futex, id, 0) != 0)
+#define lll_robust_mutex_trylock(futex, id) \
+ __lll_robust_mutex_trylock (&(futex), id)
+
+
#define __lll_mutex_cond_trylock(futex) \
(atomic_compare_and_exchange_val_acq (futex, 2, 0) != 0)
#define lll_mutex_cond_trylock(futex) __lll_mutex_cond_trylock (&(futex))
extern void __lll_lock_wait (int *futex) attribute_hidden;
+extern int __lll_robust_lock_wait (int *futex) attribute_hidden;
#define __lll_mutex_lock(futex) \
@@ -85,6 +115,18 @@ extern void __lll_lock_wait (int *futex) attribute_hidden;
#define lll_mutex_lock(futex) __lll_mutex_lock (&(futex))
+#define __lll_robust_mutex_lock(futex, id) \
+ ({ \
+ int *__futex = (futex); \
+ int __val = 0; \
+ \
+ if (atomic_compare_and_exchange_bool_acq (__futex, id, 0) != 0) \
+ __val = __lll_robust_lock_wait (__futex); \
+ __val; \
+ })
+#define lll_robust_mutex_lock(futex, id) __lll_robust_mutex_lock (&(futex), id)
+
+
#define __lll_mutex_cond_lock(futex) \
((void) ({ \
int *__futex = (futex); \
@@ -94,8 +136,24 @@ extern void __lll_lock_wait (int *futex) attribute_hidden;
#define lll_mutex_cond_lock(futex) __lll_mutex_cond_lock (&(futex))
+#define __lll_robust_mutex_cond_lock(futex, id) \
+ ({ \
+ int *__futex = (futex); \
+ int __val = 0; \
+ int __id = (id) | FUTEX_WAITERS; \
+ \
+ if (atomic_compare_and_exchange_bool_acq (__futex, __id, 0) != 0) \
+ __val = __lll_robust_lock_wait (__futex); \
+ __val; \
+ })
+#define lll_robust_mutex_cond_lock(futex, id) \
+ __lll_robust_mutex_cond_lock (&(futex), id)
+
+
extern int __lll_timedlock_wait (int *futex, const struct timespec *)
attribute_hidden;
+extern int __lll_robust_timedlock_wait (int *futex, const struct timespec *)
+ attribute_hidden;
#define __lll_mutex_timedlock(futex, abstime) \
@@ -111,6 +169,19 @@ extern int __lll_timedlock_wait (int *futex, const struct timespec *)
__lll_mutex_timedlock (&(futex), abstime)
+#define __lll_robust_mutex_timedlock(futex, abstime, id) \
+ ({ \
+ int *__futex = (futex); \
+ int __val = 0; \
+ \
+ if (atomic_compare_and_exchange_bool_acq (__futex, id, 0) != 0) \
+ __val = __lll_robust_timedlock_wait (__futex, abstime); \
+ __val; \
+ })
+#define lll_robust_mutex_timedlock(futex, abstime, id) \
+ __lll_robust_mutex_timedlock (&(futex), abstime, id)
+
+
#define __lll_mutex_unlock(futex) \
((void) ({ \
int *__futex = (futex); \
@@ -123,6 +194,18 @@ extern int __lll_timedlock_wait (int *futex, const struct timespec *)
__lll_mutex_unlock(&(futex))
+#define __lll_robust_mutex_unlock(futex) \
+ ((void) ({ \
+ int *__futex = (futex); \
+ int __val = atomic_exchange_rel (__futex, 0); \
+ \
+ if (__builtin_expect (__val & FUTEX_WAITERS, 0)) \
+ lll_futex_wake (__futex, 1); \
+ }))
+#define lll_robust_mutex_unlock(futex) \
+ __lll_robust_mutex_unlock(&(futex))
+
+
#define __lll_mutex_unlock_force(futex) \
((void) ({ \
int *__futex = (futex); \
diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/pt-initfini.c b/nptl/sysdeps/unix/sysv/linux/ia64/pt-initfini.c
index b7d4e57945..b6d2cec0d0 100644
--- a/nptl/sysdeps/unix/sysv/linux/ia64/pt-initfini.c
+++ b/nptl/sysdeps/unix/sysv/linux/ia64/pt-initfini.c
@@ -1,5 +1,5 @@
/* Special .init and .fini section support for ia64. NPTL version.
- Copyright (C) 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2001, 2002, 2003, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it
@@ -38,7 +38,6 @@
#include <stddef.h>
-#ifdef HAVE_INITFINI_ARRAY
__asm__ ("\n\
#include \"defs.h\"\n\
@@ -49,95 +48,3 @@ __asm__ ("\n\
.xdata8 \".init_array\",@fptr(__pthread_initialize_minimal_internal)\n\
/*@_init_PROLOG_ENDS*/\n\
");
-
-#else
-
-__asm__ ("\n\
-\n\
-#include \"defs.h\"\n\
-\n\
-/*@HEADER_ENDS*/\n\
-\n\
-/*@_init_PROLOG_BEGINS*/\n\
- .section .init\n\
- .align 16\n\
- .global _init#\n\
- .proc _init#\n\
-_init:\n\
- .prologue\n\
- .save ar.pfs, r34\n\
- alloc r34 = ar.pfs, 0, 3, 0, 0\n\
- .vframe r32\n\
- mov r32 = r12\n\
- .save rp, r33\n\
- mov r33 = b0\n\
- .body\n\
- adds r12 = -16, r12\n\
- ;;\n\
- st8 [r12] = gp, -16\n\
- br.call.sptk.many b0 = __pthread_initialize_minimal_internal# ;;\n\
- ;;\n\
- adds r12 = 16, r12\n\
- ;;\n\
- ld8 gp = [r12]\n\
- ;;\n\
- .endp _init#\n\
-\n\
-/*@_init_PROLOG_ENDS*/\n\
-\n\
-/*@_init_EPILOG_BEGINS*/\n\
- .section .init\n\
- .proc _init#\n\
- .prologue\n\
- .save ar.pfs, r34\n\
- .vframe r32\n\
- .save rp, r33\n\
- .body\n\
- mov r12 = r32\n\
- mov ar.pfs = r34\n\
- mov b0 = r33\n\
- br.ret.sptk.many b0\n\
- .endp _init#\n\
-/*@_init_EPILOG_ENDS*/\n\
-\n\
-/*@_fini_PROLOG_BEGINS*/\n\
- .section .fini\n\
- .align 16\n\
- .global _fini#\n\
- .proc _fini#\n\
-_fini:\n\
- .prologue\n\
- .save ar.pfs, r34\n\
- alloc r34 = ar.pfs, 0, 3, 0, 0\n\
- .vframe r32\n\
- mov r32 = r12\n\
- .save rp, r33\n\
- mov r33 = b0\n\
- .body\n\
- adds r12 = -16, r12\n\
- ;;\n\
- .endp _fini#\n\
-\n\
-/*@_fini_PROLOG_ENDS*/\n\
-\n\
-/*@_fini_EPILOG_BEGINS*/\n\
- .section .fini\n\
- .proc _fini#\n\
- .prologue\n\
- .save ar.pfs, r34\n\
- .vframe r32\n\
- .save rp, r33\n\
- .body\n\
- mov r12 = r32\n\
- mov ar.pfs = r34\n\
- mov b0 = r33\n\
- br.ret.sptk.many b0\n\
- .endp _fini#\n\
-\n\
-/*@_fini_EPILOG_ENDS*/\n\
-\n\
-/*@TRAILER_BEGINS*/\n\
- .weak __gmon_start__#\n\
-");
-
-#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h
index 63aaa96eb0..c4d52860dd 100644
--- a/nptl/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h
+++ b/nptl/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2002.
@@ -220,3 +220,9 @@ __GC_##name: \
# define NO_CANCELLATION 1
#endif
+
+#ifndef __ASSEMBLER__
+# define RTLD_SINGLE_THREAD_P \
+ __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
+ header.multiple_threads) == 0, 1)
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/unwind-forcedunwind.c b/nptl/sysdeps/unix/sysv/linux/ia64/unwind-forcedunwind.c
index fb44b426bc..d0c77a62e6 100644
--- a/nptl/sysdeps/unix/sysv/linux/ia64/unwind-forcedunwind.c
+++ b/nptl/sysdeps/unix/sysv/linux/ia64/unwind-forcedunwind.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>.
@@ -34,5 +34,6 @@ _Unwind_GetBSP (struct _Unwind_Context *context)
{
if (__builtin_expect (libgcc_s_getbsp == NULL, 0))
pthread_cancel_init ();
+
return libgcc_s_getbsp (context);
}
diff --git a/nptl/sysdeps/unix/sysv/linux/kernel-features.h b/nptl/sysdeps/unix/sysv/linux/kernel-features.h
new file mode 100644
index 0000000000..162d73e388
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/kernel-features.h
@@ -0,0 +1,6 @@
+#include_next <kernel-features.h>
+
+/* NPTL can always assume all clone thread flags work. */
+#ifndef __ASSUME_CLONE_THREAD_FLAGS
+# define __ASSUME_CLONE_THREAD_FLAGS 1
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/libc_pthread_init.c b/nptl/sysdeps/unix/sysv/linux/libc_pthread_init.c
index 3d1c021819..714ad49428 100644
--- a/nptl/sysdeps/unix/sysv/linux/libc_pthread_init.c
+++ b/nptl/sysdeps/unix/sysv/linux/libc_pthread_init.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -19,7 +19,7 @@
#include <unistd.h>
#include <list.h>
-#include "fork.h"
+#include <fork.h>
#include <dl-sysdep.h>
#include <tls.h>
#include <string.h>
@@ -57,3 +57,11 @@ __libc_pthread_init (ptr, reclaim, functions)
return &__libc_multiple_threads;
#endif
}
+
+#ifdef SHARED
+libc_freeres_fn (freeres_libptread)
+{
+ if (__libc_pthread_functions.ptr_freeres != NULL)
+ __libc_pthread_functions.ptr_freeres ();
+}
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/lowlevelrobustlock.c b/nptl/sysdeps/unix/sysv/linux/lowlevelrobustlock.c
new file mode 100644
index 0000000000..30ef991bd0
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/lowlevelrobustlock.c
@@ -0,0 +1,113 @@
+/* Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek <jakub@redhat.com>, 2006.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <sysdep.h>
+#include <lowlevellock.h>
+#include <sys/time.h>
+#include <pthreadP.h>
+
+
+int
+__lll_robust_lock_wait (int *futex)
+{
+ int oldval = *futex;
+ int tid = THREAD_GETMEM (THREAD_SELF, tid);
+
+ /* If the futex changed meanwhile try locking again. */
+ if (oldval == 0)
+ goto try;
+
+ do
+ {
+ if (__builtin_expect (oldval & FUTEX_OWNER_DIED, 0))
+ return oldval;
+
+ int newval = oldval | FUTEX_WAITERS;
+ if (oldval != newval
+ && atomic_compare_and_exchange_bool_acq (futex, newval, oldval))
+ continue;
+
+ lll_futex_wait (futex, newval);
+
+ try:
+ ;
+ }
+ while ((oldval = atomic_compare_and_exchange_val_acq (futex,
+ tid | FUTEX_WAITERS,
+ 0)) != 0);
+ return 0;
+}
+
+
+int
+__lll_robust_timedlock_wait (int *futex, const struct timespec *abstime)
+{
+ /* Reject invalid timeouts. */
+ if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000)
+ return EINVAL;
+
+ int tid = THREAD_GETMEM (THREAD_SELF, tid);
+ int oldval = *futex;
+
+ /* If the futex changed meanwhile try locking again. */
+ if (oldval == 0)
+ goto try;
+
+ do
+ {
+ struct timeval tv;
+ struct timespec rt;
+
+ /* Get the current time. */
+ (void) __gettimeofday (&tv, NULL);
+
+ /* Compute relative timeout. */
+ rt.tv_sec = abstime->tv_sec - tv.tv_sec;
+ rt.tv_nsec = abstime->tv_nsec - tv.tv_usec * 1000;
+ if (rt.tv_nsec < 0)
+ {
+ rt.tv_nsec += 1000000000;
+ --rt.tv_sec;
+ }
+
+ /* Already timed out? */
+ if (rt.tv_sec < 0)
+ return ETIMEDOUT;
+
+ /* Wait. */
+ if (__builtin_expect (oldval & FUTEX_OWNER_DIED, 0))
+ return oldval;
+
+ int newval = oldval | FUTEX_WAITERS;
+ if (oldval != newval
+ && atomic_compare_and_exchange_bool_acq (futex, newval, oldval))
+ continue;
+
+ lll_futex_timed_wait (futex, newval, &rt);
+
+ try:
+ ;
+ }
+ while ((oldval = atomic_compare_and_exchange_val_acq (futex,
+ tid | FUTEX_WAITERS,
+ 0)) != 0);
+
+ return 0;
+}
diff --git a/nptl/sysdeps/unix/sysv/linux/lowlevelrobustlock.sym b/nptl/sysdeps/unix/sysv/linux/lowlevelrobustlock.sym
new file mode 100644
index 0000000000..2f1e9da52b
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/lowlevelrobustlock.sym
@@ -0,0 +1,6 @@
+#include <stddef.h>
+#include <pthreadP.h>
+
+--
+
+TID offsetof (struct pthread, tid)
diff --git a/nptl/sysdeps/unix/sysv/linux/mq_notify.c b/nptl/sysdeps/unix/sysv/linux/mq_notify.c
index e9c2b6e79a..2ec11bf686 100644
--- a/nptl/sysdeps/unix/sysv/linux/mq_notify.c
+++ b/nptl/sysdeps/unix/sysv/linux/mq_notify.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contribute by Ulrich Drepper <drepper@redhat.com>, 2004.
@@ -283,5 +283,5 @@ mq_notify (mqd_t mqdes, const struct sigevent *notification)
}
#else
-# include <sysdeps/generic/mq_notify.c>
+# include <rt/mq_notify.c>
#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/bits/local_lim.h b/nptl/sysdeps/unix/sysv/linux/powerpc/bits/local_lim.h
new file mode 100644
index 0000000000..ab95fb57ee
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/powerpc/bits/local_lim.h
@@ -0,0 +1,90 @@
+/* Minimum guaranteed maximum values for system limits. Linux/PPC version.
+ Copyright (C) 1993-1998,2000,2002-2004,2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* The kernel header pollutes the namespace with the NR_OPEN symbol
+ and defines LINK_MAX although filesystems have different maxima. A
+ similar thing is true for OPEN_MAX: the limit can be changed at
+ runtime and therefore the macro must not be defined. Remove this
+ after including the header if necessary. */
+#ifndef NR_OPEN
+# define __undef_NR_OPEN
+#endif
+#ifndef LINK_MAX
+# define __undef_LINK_MAX
+#endif
+#ifndef OPEN_MAX
+# define __undef_OPEN_MAX
+#endif
+
+/* The kernel sources contain a file with all the needed information. */
+#include <linux/limits.h>
+
+/* Have to remove NR_OPEN? */
+#ifdef __undef_NR_OPEN
+# undef NR_OPEN
+# undef __undef_NR_OPEN
+#endif
+/* Have to remove LINK_MAX? */
+#ifdef __undef_LINK_MAX
+# undef LINK_MAX
+# undef __undef_LINK_MAX
+#endif
+/* Have to remove OPEN_MAX? */
+#ifdef __undef_OPEN_MAX
+# undef OPEN_MAX
+# undef __undef_OPEN_MAX
+#endif
+
+/* The number of data keys per process. */
+#define _POSIX_THREAD_KEYS_MAX 128
+/* This is the value this implementation supports. */
+#define PTHREAD_KEYS_MAX 1024
+
+/* Controlling the iterations of destructors for thread-specific data. */
+#define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4
+/* Number of iterations this implementation does. */
+#define PTHREAD_DESTRUCTOR_ITERATIONS _POSIX_THREAD_DESTRUCTOR_ITERATIONS
+
+/* The number of threads per process. */
+#define _POSIX_THREAD_THREADS_MAX 64
+/* We have no predefined limit on the number of threads. */
+#undef PTHREAD_THREADS_MAX
+
+/* Maximum amount by which a process can descrease its asynchronous I/O
+ priority level. */
+#define AIO_PRIO_DELTA_MAX 20
+
+/* Minimum size for a thread. At least two pages for systems with 64k
+ pages. */
+#define PTHREAD_STACK_MIN 131072
+
+/* Maximum number of timer expiration overruns. */
+#define DELAYTIMER_MAX 2147483647
+
+/* Maximum tty name length. */
+#define TTY_NAME_MAX 32
+
+/* Maximum login name length. This is arbitrary. */
+#define LOGIN_NAME_MAX 256
+
+/* Maximum host name length. */
+#define HOST_NAME_MAX 64
+
+/* Maximum message queue priority level. */
+#define MQ_PRIO_MAX 32768
diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h b/nptl/sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h
index 90c0695697..a7150f6aef 100644
--- a/nptl/sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h
+++ b/nptl/sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h
@@ -1,5 +1,5 @@
/* Machine-specific pthread type layouts. PowerPC version.
- Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003.
@@ -58,11 +58,25 @@ typedef union
} pthread_attr_t;
+#if __WORDSIZE == 64
+typedef struct __pthread_internal_list
+{
+ struct __pthread_internal_list *__prev;
+ struct __pthread_internal_list *__next;
+} __pthread_list_t;
+#else
+typedef struct __pthread_internal_slist
+{
+ struct __pthread_internal_slist *__next;
+} __pthread_slist_t;
+#endif
+
+
/* Data structures for mutex handling. The structure of the attribute
type is deliberately not exposed. */
typedef union
{
- struct
+ struct __pthread_mutex_s
{
int __lock;
unsigned int __count;
@@ -73,10 +87,18 @@ typedef union
/* KIND must stay at this position in the structure to maintain
binary compatibility. */
int __kind;
-#if __WORDSIZE != 64
+#if __WORDSIZE == 64
+ int __spins;
+ __pthread_list_t __list;
+# define __PTHREAD_MUTEX_HAVE_PREV 1
+#else
unsigned int __nusers;
+ __extension__ union
+ {
+ int __spins;
+ __pthread_slist_t __list;
+ };
#endif
- int __spins;
} __data;
char __size[__SIZEOF_PTHREAD_MUTEX_T];
long int __align;
diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h
index 2bee000730..0136b97595 100644
--- a/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h
+++ b/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003.
@@ -13,7 +13,7 @@
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Libr \ary; if not, write to the Free
+ License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
@@ -33,6 +33,11 @@
#define FUTEX_WAKE 1
#define FUTEX_REQUEUE 3
#define FUTEX_CMP_REQUEUE 4
+#define FUTEX_WAKE_OP 5
+#define FUTEX_OP_CLEAR_WAKE_IF_GT_ONE ((4 << 24) | 1)
+#define FUTEX_LOCK_PI 6
+#define FUTEX_UNLOCK_PI 7
+#define FUTEX_TRYLOCK_PI 8
/* Initializer for compatibility lock. */
#define LLL_MUTEX_LOCK_INITIALIZER (0)
@@ -67,6 +72,17 @@
INTERNAL_SYSCALL_ERROR_P (__ret, __err) ? -__ret : __ret; \
})
+#define lll_robust_mutex_dead(futexv) \
+ do \
+ { \
+ INTERNAL_SYSCALL_DECL (__err); \
+ int *__futexp = &(futexv); \
+ \
+ atomic_or (__futexp, FUTEX_OWNER_DIED); \
+ INTERNAL_SYSCALL (futex, __err, 4, __futexp, FUTEX_WAKE, 1, 0); \
+ } \
+ while (0)
+
/* Returns non-zero if error happened, zero if success. */
#define lll_futex_requeue(futexp, nr_wake, nr_move, mutex, val) \
({ \
@@ -79,16 +95,43 @@
INTERNAL_SYSCALL_ERROR_P (__ret, __err); \
})
+/* Returns non-zero if error happened, zero if success. */
+#define lll_futex_wake_unlock(futexp, nr_wake, nr_wake2, futexp2) \
+ ({ \
+ INTERNAL_SYSCALL_DECL (__err); \
+ long int __ret; \
+ \
+ __ret = INTERNAL_SYSCALL (futex, __err, 6, \
+ (futexp), FUTEX_WAKE_OP, (nr_wake), \
+ (nr_wake2), (futexp2), \
+ FUTEX_OP_CLEAR_WAKE_IF_GT_ONE); \
+ INTERNAL_SYSCALL_ERROR_P (__ret, __err); \
+ })
+
#ifdef UP
# define __lll_acq_instr ""
# define __lll_rel_instr ""
#else
# define __lll_acq_instr "isync"
-# define __lll_rel_instr "sync"
+# ifdef _ARCH_PWR4
+/*
+ * Newer powerpc64 processors support the new "light weight" sync (lwsync)
+ * So if the build is using -mcpu=[power4,power5,power5+,970] we can
+ * safely use lwsync.
+ */
+# define __lll_rel_instr "lwsync"
+# else
+/*
+ * Older powerpc32 processors don't support the new "light weight"
+ * sync (lwsync). So the only safe option is to use normal sync
+ * for all powerpc32 applications.
+ */
+# define __lll_rel_instr "sync"
+# endif
#endif
-/* Set *futex to 1 if it is 0, atomically. Returns the old value */
-#define __lll_trylock(futex) \
+/* Set *futex to ID if it is 0, atomically. Returns the old value */
+#define __lll_robust_trylock(futex, id) \
({ int __val; \
__asm __volatile ("1: lwarx %0,0,%2\n" \
" cmpwi 0,%0,0\n" \
@@ -97,31 +140,26 @@
" bne- 1b\n" \
"2: " __lll_acq_instr \
: "=&r" (__val), "=m" (*futex) \
- : "r" (futex), "r" (1), "m" (*futex) \
+ : "r" (futex), "r" (id), "m" (*futex) \
: "cr0", "memory"); \
__val; \
})
+#define lll_robust_mutex_trylock(lock, id) __lll_robust_trylock (&(lock), id)
+
+/* Set *futex to 1 if it is 0, atomically. Returns the old value */
+#define __lll_trylock(futex) __lll_robust_trylock (futex, 1)
+
#define lll_mutex_trylock(lock) __lll_trylock (&(lock))
/* Set *futex to 2 if it is 0, atomically. Returns the old value */
-#define __lll_cond_trylock(futex) \
- ({ int __val; \
- __asm __volatile ("1: lwarx %0,0,%2\n" \
- " cmpwi 0,%0,0\n" \
- " bne 2f\n" \
- " stwcx. %3,0,%2\n" \
- " bne- 1b\n" \
- "2: " __lll_acq_instr \
- : "=&r" (__val), "=m" (*futex) \
- : "r" (futex), "r" (2), "m" (*futex) \
- : "cr0", "memory"); \
- __val; \
- })
+#define __lll_cond_trylock(futex) __lll_robust_trylock (futex, 2)
+
#define lll_mutex_cond_trylock(lock) __lll_cond_trylock (&(lock))
extern void __lll_lock_wait (int *futex) attribute_hidden;
+extern int __lll_robust_lock_wait (int *futex) attribute_hidden;
#define lll_mutex_lock(lock) \
(void) ({ \
@@ -131,6 +169,16 @@ extern void __lll_lock_wait (int *futex) attribute_hidden;
__lll_lock_wait (__futex); \
})
+#define lll_robust_mutex_lock(lock, id) \
+ ({ \
+ int *__futex = &(lock); \
+ int __val = 0; \
+ if (__builtin_expect (atomic_compare_and_exchange_bool_acq (__futex, id, \
+ 0), 0)) \
+ __val = __lll_robust_lock_wait (__futex); \
+ __val; \
+ })
+
#define lll_mutex_cond_lock(lock) \
(void) ({ \
int *__futex = &(lock); \
@@ -139,8 +187,22 @@ extern void __lll_lock_wait (int *futex) attribute_hidden;
__lll_lock_wait (__futex); \
})
+#define lll_robust_mutex_cond_lock(lock, id) \
+ ({ \
+ int *__futex = &(lock); \
+ int __val = 0; \
+ int __id = id | FUTEX_WAITERS; \
+ if (__builtin_expect (atomic_compare_and_exchange_bool_acq (__futex, __id,\
+ 0), 0)) \
+ __val = __lll_robust_lock_wait (__futex); \
+ __val; \
+ })
+
+
extern int __lll_timedlock_wait
(int *futex, const struct timespec *) attribute_hidden;
+extern int __lll_robust_timedlock_wait
+ (int *futex, const struct timespec *) attribute_hidden;
#define lll_mutex_timedlock(lock, abstime) \
({ \
@@ -152,6 +214,16 @@ extern int __lll_timedlock_wait
__val; \
})
+#define lll_robust_mutex_timedlock(lock, abstime, id) \
+ ({ \
+ int *__futex = &(lock); \
+ int __val = 0; \
+ if (__builtin_expect (atomic_compare_and_exchange_bool_acq (__futex, id, \
+ 0), 0)) \
+ __val = __lll_robust_timedlock_wait (__futex, abstime); \
+ __val; \
+ })
+
#define lll_mutex_unlock(lock) \
((void) ({ \
int *__futex = &(lock); \
@@ -160,6 +232,14 @@ extern int __lll_timedlock_wait
lll_futex_wake (__futex, 1); \
}))
+#define lll_robust_mutex_unlock(lock) \
+ ((void) ({ \
+ int *__futex = &(lock); \
+ int __val = atomic_exchange_rel (__futex, 0); \
+ if (__builtin_expect (__val & FUTEX_WAITERS, 0)) \
+ lll_futex_wake (__futex, 1); \
+ }))
+
#define lll_mutex_unlock_force(lock) \
((void) ({ \
int *__futex = &(lock); \
diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S
index e19579e842..675a997e97 100644
--- a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S
+++ b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S
@@ -1,3 +1,9 @@
-#define RESET_PID
-#include <tcb-offsets.h>
-#include <sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S>
+/* We want an #include_next, but we are the main source file.
+ So, #include ourselves and in that incarnation we can use #include_next. */
+#ifndef INCLUDED_SELF
+# define INCLUDED_SELF
+# include <clone.S>
+#else
+# define RESET_PID
+# include_next <clone.S>
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h
index 7f5ba4aeef..3752abc870 100644
--- a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h
+++ b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h
@@ -1,5 +1,5 @@
/* Cancellable system call stubs. Linux/PowerPC version.
- Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Franz Sirl <Franz.Sirl-kernel@lauterbach.com>, 2003.
@@ -15,8 +15,8 @@
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
+ Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA
+ 02110-1301 USA. */
#include <sysdep.h>
#include <tls.h>
@@ -30,7 +30,6 @@
# define PSEUDO(name, syscall_name, args) \
.section ".text"; \
ENTRY (name) \
- cfi_startproc; \
SINGLE_THREAD_P; \
bne- .Lpseudo_cancel; \
.type __##syscall_name##_nocancel,@function; \
@@ -45,6 +44,7 @@
mflr 9; \
stw 9,52(1); \
cfi_offset (lr, 4); \
+ CGOTSETUP; \
DOCARGS_##args; /* save syscall args around CENABLE. */ \
CENABLE; \
stw 3,16(1); /* store CENABLE return value (MASK). */ \
@@ -58,10 +58,10 @@
lwz 4,52(1); \
lwz 0,12(1); /* restore CR/R3. */ \
lwz 3,8(1); \
+ CGOTRESTORE; \
mtlr 4; \
mtcr 0; \
- addi 1,1,48; \
- cfi_endproc;
+ addi 1,1,48;
# define DOCARGS_0
# define UNDOCARGS_0
@@ -84,15 +84,30 @@
# define DOCARGS_6 stw 8,40(1); DOCARGS_5
# define UNDOCARGS_6 lwz 8,40(1); UNDOCARGS_5
+# define CGOTSETUP
+# define CGOTRESTORE
+
# ifdef IS_IN_libpthread
-# define CENABLE bl JUMPTARGET(__pthread_enable_asynccancel)
-# define CDISABLE bl JUMPTARGET(__pthread_disable_asynccancel)
+# define CENABLE bl __pthread_enable_asynccancel@local
+# define CDISABLE bl __pthread_disable_asynccancel@local
# elif !defined NOT_IN_libc
-# define CENABLE bl JUMPTARGET(__libc_enable_asynccancel)
-# define CDISABLE bl JUMPTARGET(__libc_disable_asynccancel)
+# define CENABLE bl __libc_enable_asynccancel@local
+# define CDISABLE bl __libc_disable_asynccancel@local
# elif defined IS_IN_librt
# define CENABLE bl JUMPTARGET(__librt_enable_asynccancel)
# define CDISABLE bl JUMPTARGET(__librt_disable_asynccancel)
+# if defined HAVE_AS_REL16 && defined PIC
+# undef CGOTSETUP
+# define CGOTSETUP \
+ bcl 20,31,1f; \
+ 1: stw 30,44(1); \
+ mflr 30; \
+ addis 30,30,_GLOBAL_OFFSET_TABLE-1b@ha; \
+ addi 30,30,_GLOBAL_OFFSET_TABLE-1b@l
+# undef CGOTRESTORE
+# define CGOTRESTORE \
+ lwz 30,44(1)
+# endif
# else
# error Unsupported library
# endif
@@ -113,3 +128,9 @@
# define NO_CANCELLATION 1
#endif
+
+#ifndef __ASSEMBLER__
+# define RTLD_SINGLE_THREAD_P \
+ __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
+ header.multiple_threads) == 0, 1)
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S
index f87adf4737..675a997e97 100644
--- a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S
+++ b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S
@@ -1,3 +1,9 @@
-#define RESET_PID
-#include <tcb-offsets.h>
-#include <sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S>
+/* We want an #include_next, but we are the main source file.
+ So, #include ourselves and in that incarnation we can use #include_next. */
+#ifndef INCLUDED_SELF
+# define INCLUDED_SELF
+# include <clone.S>
+#else
+# define RESET_PID
+# include_next <clone.S>
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h
index 226aaafdce..707765ab58 100644
--- a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h
+++ b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h
@@ -1,5 +1,5 @@
/* Cancellable system call stubs. Linux/PowerPC64 version.
- Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Franz Sirl <Franz.Sirl-kernel@lauterbach.com>, 2003.
@@ -15,8 +15,8 @@
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
+ Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA
+ 02110-1301 USA. */
#include <sysdep.h>
#include <tls.h>
@@ -36,7 +36,6 @@
# define PSEUDO(name, syscall_name, args) \
.section ".text"; \
ENTRY (name) \
- cfi_startproc; \
SINGLE_THREAD_P; \
bne- .Lpseudo_cancel; \
.type DASHDASHPFX(syscall_name##_nocancel),@function; \
@@ -66,8 +65,7 @@
ld 3,64(1); \
mtlr 9; \
mtcr 0; \
- addi 1,1,128; \
- cfi_endproc;
+ addi 1,1,128;
# define DOCARGS_0
# define UNDOCARGS_0
@@ -119,3 +117,9 @@
# define NO_CANCELLATION 1
#endif
+
+#ifndef __ASSEMBLER__
+# define RTLD_SINGLE_THREAD_P \
+ __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
+ header.multiple_threads) == 0, 1)
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/pthread_attr_setstack.c b/nptl/sysdeps/unix/sysv/linux/powerpc/pthread_attr_setstack.c
new file mode 100644
index 0000000000..8aa971ab9a
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/powerpc/pthread_attr_setstack.c
@@ -0,0 +1,51 @@
+/* Copyright (C) 2002, 2003, 2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <assert.h>
+#include <errno.h>
+#include <limits.h>
+#include "pthreadP.h"
+
+
+int
+__pthread_attr_setstack (attr, stackaddr, stacksize)
+ pthread_attr_t *attr;
+ void *stackaddr;
+ size_t stacksize;
+{
+ struct pthread_attr *iattr;
+
+ assert (sizeof (*attr) >= sizeof (struct pthread_attr));
+ iattr = (struct pthread_attr *) attr;
+
+ /* Catch invalid sizes. */
+ if (stacksize < 16384)
+ return EINVAL;
+
+#ifdef EXTRA_PARAM_CHECKS
+ EXTRA_PARAM_CHECKS;
+#endif
+
+ iattr->stacksize = stacksize;
+ iattr->stackaddr = (char *) stackaddr + stacksize;
+ iattr->flags |= ATTR_FLAG_STACKADDR;
+
+ return 0;
+}
+strong_alias (__pthread_attr_setstack, pthread_attr_setstack)
diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/pthread_attr_setstacksize.c b/nptl/sysdeps/unix/sysv/linux/powerpc/pthread_attr_setstacksize.c
new file mode 100644
index 0000000000..ea8c95981e
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/powerpc/pthread_attr_setstacksize.c
@@ -0,0 +1,48 @@
+/* Copyright (C) 2002, 2003, 2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <assert.h>
+#include <errno.h>
+#include <limits.h>
+#include "pthreadP.h"
+
+
+int
+__pthread_attr_setstacksize (attr, stacksize)
+ pthread_attr_t *attr;
+ size_t stacksize;
+{
+ struct pthread_attr *iattr;
+
+ assert (sizeof (*attr) >= sizeof (struct pthread_attr));
+ iattr = (struct pthread_attr *) attr;
+
+ /* Catch invalid sizes. */
+ if (stacksize < 16384)
+ return EINVAL;
+
+ size_t ps = __getpagesize ();
+ if (stacksize < 2 * ps)
+ stacksize = 2 * ps;
+
+ iattr->stacksize = stacksize;
+
+ return 0;
+}
+strong_alias (__pthread_attr_setstacksize, pthread_attr_setstacksize)
diff --git a/nptl/sysdeps/unix/sysv/linux/pthread-pi-defines.sym b/nptl/sysdeps/unix/sysv/linux/pthread-pi-defines.sym
new file mode 100644
index 0000000000..a1b6794260
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/pthread-pi-defines.sym
@@ -0,0 +1,6 @@
+#include <pthreadP.h>
+
+-- These PI macros are used by assembly code.
+
+MUTEX_KIND offsetof (pthread_mutex_t, __data.__kind)
+PI_BIT PTHREAD_MUTEX_PRIO_INHERIT_NP
diff --git a/nptl/sysdeps/unix/sysv/linux/pthread_attr_setaffinity.c b/nptl/sysdeps/unix/sysv/linux/pthread_attr_setaffinity.c
index ca84f1c9bd..355e695ec2 100644
--- a/nptl/sysdeps/unix/sysv/linux/pthread_attr_setaffinity.c
+++ b/nptl/sysdeps/unix/sysv/linux/pthread_attr_setaffinity.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
@@ -27,7 +27,7 @@
/* Defined in pthread_setaffinity.c. */
-extern size_t __kernel_cpumask_size;
+extern size_t __kernel_cpumask_size attribute_hidden;
extern int __determine_cpumask_size (pid_t tid);
diff --git a/nptl/sysdeps/unix/sysv/linux/pthread_getcpuclockid.c b/nptl/sysdeps/unix/sysv/linux/pthread_getcpuclockid.c
new file mode 100644
index 0000000000..82c2446d55
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/pthread_getcpuclockid.c
@@ -0,0 +1,111 @@
+/* pthread_getcpuclockid -- Get POSIX clockid_t for a pthread_t. Linux version
+ Copyright (C) 2000,2001,2002,2003,2004,2005 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <pthreadP.h>
+#include <sys/time.h>
+#include <tls.h>
+#include <kernel-features.h>
+#include <kernel-posix-cpu-timers.h>
+
+
+#if !(__ASSUME_POSIX_CPU_TIMERS > 0)
+int __libc_missing_posix_cpu_timers attribute_hidden;
+#endif
+#if !(__ASSUME_POSIX_TIMERS > 0)
+int __libc_missing_posix_timers attribute_hidden;
+#endif
+
+int
+pthread_getcpuclockid (threadid, clockid)
+ pthread_t threadid;
+ clockid_t *clockid;
+{
+ struct pthread *pd = (struct pthread *) threadid;
+
+ /* Make sure the descriptor is valid. */
+ if (INVALID_TD_P (pd))
+ /* Not a valid thread handle. */
+ return ESRCH;
+
+#ifdef __NR_clock_getres
+ /* The clockid_t value is a simple computation from the TID.
+ But we do a clock_getres call to validate it if we aren't
+ yet sure we have the kernel support. */
+
+ const clockid_t tidclock = MAKE_THREAD_CPUCLOCK (pd->tid, CPUCLOCK_SCHED);
+
+# if !(__ASSUME_POSIX_CPU_TIMERS > 0)
+# if !(__ASSUME_POSIX_TIMERS > 0)
+ if (__libc_missing_posix_timers && !__libc_missing_posix_cpu_timers)
+ __libc_missing_posix_cpu_timers = 1;
+# endif
+ if (!__libc_missing_posix_cpu_timers)
+ {
+ INTERNAL_SYSCALL_DECL (err);
+ int r = INTERNAL_SYSCALL (clock_getres, err, 2, tidclock, NULL);
+ if (!INTERNAL_SYSCALL_ERROR_P (r, err))
+# endif
+ {
+ *clockid = tidclock;
+ return 0;
+ }
+
+# if !(__ASSUME_POSIX_CPU_TIMERS > 0)
+# if !(__ASSUME_POSIX_TIMERS > 0)
+ if (INTERNAL_SYSCALL_ERRNO (r, err) == ENOSYS)
+ {
+ /* The kernel doesn't support these calls at all. */
+ __libc_missing_posix_timers = 1;
+ __libc_missing_posix_cpu_timers = 1;
+ }
+ else
+# endif
+ if (INTERNAL_SYSCALL_ERRNO (r, err) == EINVAL)
+ {
+ /* The kernel doesn't support these clocks at all. */
+ __libc_missing_posix_cpu_timers = 1;
+ }
+ else
+ return INTERNAL_SYSCALL_ERRNO (r, err);
+ }
+# endif
+#endif
+
+#ifdef CLOCK_THREAD_CPUTIME_ID
+ /* We need to store the thread ID in the CLOCKID variable together
+ with a number identifying the clock. We reserve the low 3 bits
+ for the clock ID and the rest for the thread ID. This is
+ problematic if the thread ID is too large. But 29 bits should be
+ fine.
+
+ If some day more clock IDs are needed the ID part can be
+ enlarged. The IDs are entirely internal. */
+ if (pd->tid >= 1 << (8 * sizeof (*clockid) - CLOCK_IDFIELD_SIZE))
+ return ERANGE;
+
+ /* Store the number. */
+ *clockid = CLOCK_THREAD_CPUTIME_ID | (pd->tid << CLOCK_IDFIELD_SIZE);
+
+ return 0;
+#else
+ /* We don't have a timer for that. */
+ return ENOENT;
+#endif
+}
diff --git a/nptl/sysdeps/unix/sysv/linux/pthread_kill.c b/nptl/sysdeps/unix/sysv/linux/pthread_kill.c
index 9115d6f40b..75089365c3 100644
--- a/nptl/sysdeps/unix/sysv/linux/pthread_kill.c
+++ b/nptl/sysdeps/unix/sysv/linux/pthread_kill.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -33,7 +33,15 @@ __pthread_kill (threadid, signo)
struct pthread *pd = (struct pthread *) threadid;
/* Make sure the descriptor is valid. */
- if (INVALID_TD_P (pd))
+ if (DEBUGGING_P && INVALID_TD_P (pd))
+ /* Not a valid thread handle. */
+ return ESRCH;
+
+ /* Force load of pd->tid into local variable or register. Otherwise
+ if a thread exits between ESRCH test and tgkill, we might return
+ EINVAL, because pd->tid would be cleared by the kernel. */
+ pid_t tid = atomic_forced_read (pd->tid);
+ if (__builtin_expect (tid <= 0, 0))
/* Not a valid thread handle. */
return ESRCH;
@@ -53,15 +61,15 @@ __pthread_kill (threadid, signo)
int val;
#if __ASSUME_TGKILL
val = INTERNAL_SYSCALL (tgkill, err, 3, THREAD_GETMEM (THREAD_SELF, pid),
- pd->tid, signo);
+ tid, signo);
#else
# ifdef __NR_tgkill
val = INTERNAL_SYSCALL (tgkill, err, 3, THREAD_GETMEM (THREAD_SELF, pid),
- pd->tid, signo);
+ tid, signo);
if (INTERNAL_SYSCALL_ERROR_P (val, err)
&& INTERNAL_SYSCALL_ERRNO (val, err) == ENOSYS)
# endif
- val = INTERNAL_SYSCALL (tkill, err, 2, pd->tid, signo);
+ val = INTERNAL_SYSCALL (tkill, err, 2, tid, signo);
#endif
return (INTERNAL_SYSCALL_ERROR_P (val, err)
diff --git a/nptl/sysdeps/unix/sysv/linux/pthread_mutex_cond_lock.c b/nptl/sysdeps/unix/sysv/linux/pthread_mutex_cond_lock.c
index 990db87416..a97351f880 100644
--- a/nptl/sysdeps/unix/sysv/linux/pthread_mutex_cond_lock.c
+++ b/nptl/sysdeps/unix/sysv/linux/pthread_mutex_cond_lock.c
@@ -1,7 +1,8 @@
#include <pthreadP.h>
-#define LLL_MUTEX_LOCK(mutex) lll_mutex_cond_lock(mutex)
-#define LLL_MUTEX_TRYLOCK(mutex) lll_mutex_cond_trylock(mutex)
+#define LLL_MUTEX_LOCK(mutex) lll_mutex_cond_lock (mutex)
+#define LLL_MUTEX_TRYLOCK(mutex) lll_mutex_cond_trylock (mutex)
+#define LLL_ROBUST_MUTEX_LOCK(mutex, id) lll_robust_mutex_cond_lock (mutex, id)
#define __pthread_mutex_lock __pthread_mutex_cond_lock
#define NO_INCR
diff --git a/nptl/sysdeps/unix/sysv/linux/pthread_setaffinity.c b/nptl/sysdeps/unix/sysv/linux/pthread_setaffinity.c
index 5b24c694a9..3776e26e4b 100644
--- a/nptl/sysdeps/unix/sysv/linux/pthread_setaffinity.c
+++ b/nptl/sysdeps/unix/sysv/linux/pthread_setaffinity.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
@@ -25,7 +25,7 @@
#include <shlib-compat.h>
-size_t __kernel_cpumask_size;
+size_t __kernel_cpumask_size attribute_hidden;
/* Determine the current affinity. As a side affect we learn
diff --git a/nptl/sysdeps/unix/sysv/linux/register-atfork.c b/nptl/sysdeps/unix/sysv/linux/register-atfork.c
index 9707e4663c..cb5b2b832f 100644
--- a/nptl/sysdeps/unix/sysv/linux/register-atfork.c
+++ b/nptl/sysdeps/unix/sysv/linux/register-atfork.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -20,7 +20,7 @@
#include <errno.h>
#include <stdlib.h>
#include <string.h>
-#include "fork.h"
+#include <fork.h>
/* Lock to protect allocation and deallocation of fork handlers. */
diff --git a/nptl/sysdeps/unix/sysv/linux/rtld-lowlevel.h b/nptl/sysdeps/unix/sysv/linux/rtld-lowlevel.h
new file mode 100644
index 0000000000..39db5a3bd4
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/rtld-lowlevel.h
@@ -0,0 +1,153 @@
+/* Defintions for lowlevel handling in ld.so.
+ Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#ifndef _RTLD_LOWLEVEL_H
+#define _RTLD_LOWLEVEL_H 1
+
+#include <atomic.h>
+#include <lowlevellock.h>
+
+
+/* Special multi-reader lock used in ld.so. */
+#define __RTLD_MRLOCK_WRITER 1
+#define __RTLD_MRLOCK_RWAIT 2
+#define __RTLD_MRLOCK_WWAIT 4
+#define __RTLD_MRLOCK_RBITS \
+ ~(__RTLD_MRLOCK_WRITER | __RTLD_MRLOCK_RWAIT | __RTLD_MRLOCK_WWAIT)
+#define __RTLD_MRLOCK_INC 8
+#define __RTLD_MRLOCK_TRIES 5
+
+
+typedef int __rtld_mrlock_t;
+
+
+#define __rtld_mrlock_define(CLASS,NAME) \
+ CLASS __rtld_mrlock_t NAME;
+
+
+#define _RTLD_MRLOCK_INITIALIZER 0
+#define __rtld_mrlock_initialize(NAME) \
+ (void) ((NAME) = 0)
+
+
+#define __rtld_mrlock_lock(lock) \
+ do { \
+ __label__ out; \
+ while (1) \
+ { \
+ int oldval; \
+ for (int tries = 0; tries < __RTLD_MRLOCK_TRIES; ++tries) \
+ { \
+ oldval = lock; \
+ while (__builtin_expect ((oldval \
+ & (__RTLD_MRLOCK_WRITER \
+ | __RTLD_MRLOCK_WWAIT)) \
+ == 0, 1)) \
+ { \
+ int newval = ((oldval & __RTLD_MRLOCK_RBITS) \
+ + __RTLD_MRLOCK_INC); \
+ int ret = atomic_compare_and_exchange_val_acq (&(lock), \
+ newval, \
+ oldval); \
+ if (__builtin_expect (ret == oldval, 1)) \
+ goto out; \
+ oldval = ret; \
+ } \
+ atomic_delay (); \
+ } \
+ if ((oldval & __RTLD_MRLOCK_RWAIT) == 0) \
+ { \
+ atomic_or (&(lock), __RTLD_MRLOCK_RWAIT); \
+ oldval |= __RTLD_MRLOCK_RWAIT; \
+ } \
+ lll_futex_wait (lock, oldval); \
+ } \
+ out:; \
+ } while (0)
+
+
+#define __rtld_mrlock_unlock(lock) \
+ do { \
+ int oldval = atomic_exchange_and_add (&(lock), -__RTLD_MRLOCK_INC); \
+ if (__builtin_expect ((oldval \
+ & (__RTLD_MRLOCK_RBITS | __RTLD_MRLOCK_WWAIT)) \
+ == (__RTLD_MRLOCK_INC | __RTLD_MRLOCK_WWAIT), 0)) \
+ /* We have to wake all threads since there might be some queued \
+ readers already. */ \
+ lll_futex_wake (&(lock), 0x7fffffff); \
+ } while (0)
+
+
+/* There can only ever be one thread trying to get the exclusive lock. */
+#define __rtld_mrlock_change(lock) \
+ do { \
+ __label__ out; \
+ while (1) \
+ { \
+ int oldval; \
+ for (int tries = 0; tries < __RTLD_MRLOCK_TRIES; ++tries) \
+ { \
+ oldval = lock; \
+ while (__builtin_expect ((oldval & __RTLD_MRLOCK_RBITS) == 0, 1)) \
+ { \
+ int newval = ((oldval & __RTLD_MRLOCK_RWAIT) \
+ + __RTLD_MRLOCK_WRITER); \
+ int ret = atomic_compare_and_exchange_val_acq (&(lock), \
+ newval, \
+ oldval); \
+ if (__builtin_expect (ret == oldval, 1)) \
+ goto out; \
+ oldval = ret; \
+ } \
+ atomic_delay (); \
+ } \
+ atomic_or (&(lock), __RTLD_MRLOCK_WWAIT); \
+ oldval |= __RTLD_MRLOCK_WWAIT; \
+ lll_futex_wait (lock, oldval); \
+ } \
+ out:; \
+ } while (0)
+
+
+#define __rtld_mrlock_done(lock) \
+ do { \
+ int oldval = atomic_exchange_and_add (&(lock), -__RTLD_MRLOCK_WRITER); \
+ if (__builtin_expect ((oldval & __RTLD_MRLOCK_RWAIT) != 0, 0)) \
+ lll_futex_wake (&(lock), 0x7fffffff); \
+ } while (0)
+
+
+/* Function to wait for variable become zero. Used in ld.so for
+ reference counters. */
+#define __rtld_waitzero(word) \
+ do { \
+ while (1) \
+ { \
+ int val = word; \
+ if (val == 0) \
+ break; \
+ lll_futex_wait (&(word), val); \
+ } \
+ } while (0)
+
+
+#define __rtld_notify(word) \
+ lll_futex_wake (&(word), 1)
+
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/s390/bits/pthreadtypes.h b/nptl/sysdeps/unix/sysv/linux/s390/bits/pthreadtypes.h
index 6b3618cd57..c77031d7bb 100644
--- a/nptl/sysdeps/unix/sysv/linux/s390/bits/pthreadtypes.h
+++ b/nptl/sysdeps/unix/sysv/linux/s390/bits/pthreadtypes.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003.
@@ -57,11 +57,25 @@ typedef union
} pthread_attr_t;
+#if __WORDSIZE == 64
+typedef struct __pthread_internal_list
+{
+ struct __pthread_internal_list *__prev;
+ struct __pthread_internal_list *__next;
+} __pthread_list_t;
+#else
+typedef struct __pthread_internal_slist
+{
+ struct __pthread_internal_slist *__next;
+} __pthread_slist_t;
+#endif
+
+
/* Data structures for mutex handling. The structure of the attribute
type is not exposed on purpose. */
typedef union
{
- struct
+ struct __pthread_mutex_s
{
int __lock;
unsigned int __count;
@@ -72,10 +86,18 @@ typedef union
/* KIND must stay at this position in the structure to maintain
binary compatibility. */
int __kind;
-#if __WORDSIZE != 64
+#if __WORDSIZE == 64
+ int __spins;
+ __pthread_list_t __list;
+# define __PTHREAD_MUTEX_HAVE_PREV 1
+#else
unsigned int __nusers;
+ __extension__ union
+ {
+ int __spins;
+ __pthread_slist_t __list;
+ };
#endif
- int __spins;
} __data;
char __size[__SIZEOF_PTHREAD_MUTEX_T];
long int __align;
diff --git a/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h
index f4ed98a503..38d9f2ac41 100644
--- a/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h
+++ b/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003.
@@ -30,6 +30,11 @@
#define FUTEX_WAKE 1
#define FUTEX_REQUEUE 3
#define FUTEX_CMP_REQUEUE 4
+#define FUTEX_WAKE_OP 5
+#define FUTEX_OP_CLEAR_WAKE_IF_GT_ONE ((4 << 24) | 1)
+#define FUTEX_LOCK_PI 6
+#define FUTEX_UNLOCK_PI 7
+#define FUTEX_TRYLOCK_PI 8
/* Initializer for compatibility lock. */
#define LLL_MUTEX_LOCK_INITIALIZER (0)
@@ -83,6 +88,17 @@
})
+#define lll_robust_mutex_dead(futexv) \
+ do \
+ { \
+ int *__futexp = &(futexv); \
+ \
+ atomic_or (__futexp, FUTEX_OWNER_DIED); \
+ lll_futex_wake (__futexp, 1); \
+ } \
+ while (0)
+
+
/* Returns non-zero if error happened, zero if success. */
#define lll_futex_requeue(futex, nr_wake, nr_move, mutex, val) \
({ \
@@ -103,6 +119,27 @@
})
+/* Returns non-zero if error happened, zero if success. */
+#define lll_futex_wake_unlock(futex, nr_wake, nr_wake2, futex2) \
+ ({ \
+ register unsigned long int __r2 asm ("2") = (unsigned long int) (futex); \
+ register unsigned long int __r3 asm ("3") = FUTEX_WAKE_OP; \
+ register unsigned long int __r4 asm ("4") = (long int) (nr_wake); \
+ register unsigned long int __r5 asm ("5") = (long int) (nr_wake2); \
+ register unsigned long int __r6 asm ("6") = (unsigned long int) (futex2); \
+ register unsigned long int __r7 asm ("7") \
+ = (int) FUTEX_OP_CLEAR_WAKE_IF_GT_ONE; \
+ register unsigned long __result asm ("2"); \
+ \
+ __asm __volatile ("svc %b1" \
+ : "=d" (__result) \
+ : "i" (SYS_futex), "0" (__r2), "d" (__r3), \
+ "d" (__r4), "d" (__r5), "d" (__r6), "d" (__r7) \
+ : "cc", "memory" ); \
+ __result > -4096UL; \
+ })
+
+
#define lll_compare_and_swap(futex, oldval, newval, operation) \
do { \
__typeof (futex) __futex = (futex); \
@@ -144,7 +181,23 @@ __lll_mutex_cond_trylock (int *futex)
#define lll_mutex_cond_trylock(futex) __lll_mutex_cond_trylock (&(futex))
+static inline int
+__attribute__ ((always_inline))
+__lll_robust_mutex_trylock (int *futex, int id)
+{
+ unsigned int old;
+
+ __asm __volatile ("cs %0,%3,%1"
+ : "=d" (old), "=Q" (*futex)
+ : "0" (0), "d" (id), "m" (*futex) : "cc", "memory" );
+ return old != 0;
+}
+#define lll_robust_mutex_trylock(futex, id) \
+ __lll_robust_mutex_trylock (&(futex), id)
+
+
extern void __lll_lock_wait (int *futex) attribute_hidden;
+extern int __lll_robust_lock_wait (int *futex) attribute_hidden;
static inline void
__attribute__ ((always_inline))
@@ -155,6 +208,17 @@ __lll_mutex_lock (int *futex)
}
#define lll_mutex_lock(futex) __lll_mutex_lock (&(futex))
+static inline int
+__attribute__ ((always_inline))
+__lll_robust_mutex_lock (int *futex, int id)
+{
+ int result = 0;
+ if (atomic_compare_and_exchange_bool_acq (futex, id, 0) != 0)
+ result = __lll_robust_lock_wait (futex);
+ return result;
+}
+#define lll_robust_mutex_lock(futex, id) __lll_robust_mutex_lock (&(futex), id)
+
static inline void
__attribute__ ((always_inline))
__lll_mutex_cond_lock (int *futex)
@@ -164,8 +228,13 @@ __lll_mutex_cond_lock (int *futex)
}
#define lll_mutex_cond_lock(futex) __lll_mutex_cond_lock (&(futex))
+#define lll_robust_mutex_cond_lock(futex, id) \
+ __lll_robust_mutex_lock (&(futex), (id) | FUTEX_WAITERS)
+
extern int __lll_timedlock_wait
(int *futex, const struct timespec *) attribute_hidden;
+extern int __lll_robust_timedlock_wait
+ (int *futex, const struct timespec *) attribute_hidden;
static inline int
__attribute__ ((always_inline))
@@ -179,6 +248,19 @@ __lll_mutex_timedlock (int *futex, const struct timespec *abstime)
#define lll_mutex_timedlock(futex, abstime) \
__lll_mutex_timedlock (&(futex), abstime)
+static inline int
+__attribute__ ((always_inline))
+__lll_robust_mutex_timedlock (int *futex, const struct timespec *abstime,
+ int id)
+{
+ int result = 0;
+ if (atomic_compare_and_exchange_bool_acq (futex, id, 0) != 0)
+ result = __lll_robust_timedlock_wait (futex, abstime);
+ return result;
+}
+#define lll_robust_mutex_timedlock(futex, abstime, id) \
+ __lll_robust_mutex_timedlock (&(futex), abstime, id)
+
static inline void
__attribute__ ((always_inline))
@@ -197,6 +279,21 @@ __lll_mutex_unlock (int *futex)
static inline void
__attribute__ ((always_inline))
+__lll_robust_mutex_unlock (int *futex, int mask)
+{
+ int oldval;
+ int newval = 0;
+
+ lll_compare_and_swap (futex, oldval, newval, "slr %2,%2");
+ if (oldval & mask)
+ lll_futex_wake (futex, 1);
+}
+#define lll_robust_mutex_unlock(futex) \
+ __lll_robust_mutex_unlock(&(futex), FUTEX_WAITERS)
+
+
+static inline void
+__attribute__ ((always_inline))
__lll_mutex_unlock_force (int *futex)
{
*futex = 0;
diff --git a/nptl/sysdeps/unix/sysv/linux/s390/s390-32/clone.S b/nptl/sysdeps/unix/sysv/linux/s390/s390-32/clone.S
index 682f94dae8..675a997e97 100644
--- a/nptl/sysdeps/unix/sysv/linux/s390/s390-32/clone.S
+++ b/nptl/sysdeps/unix/sysv/linux/s390/s390-32/clone.S
@@ -1,2 +1,9 @@
-#define RESET_PID
-#include <sysdeps/unix/sysv/linux/s390/s390-32/clone.S>
+/* We want an #include_next, but we are the main source file.
+ So, #include ourselves and in that incarnation we can use #include_next. */
+#ifndef INCLUDED_SELF
+# define INCLUDED_SELF
+# include <clone.S>
+#else
+# define RESET_PID
+# include_next <clone.S>
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h
index 09dac2c90b..17ab562daa 100644
--- a/nptl/sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h
+++ b/nptl/sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
@@ -113,3 +113,9 @@ L(pseudo_end):
# define NO_CANCELLATION 1
#endif
+
+#ifndef __ASSEMBLER__
+# define RTLD_SINGLE_THREAD_P \
+ __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
+ header.multiple_threads) == 0, 1)
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/s390/s390-64/clone.S b/nptl/sysdeps/unix/sysv/linux/s390/s390-64/clone.S
index 87ee2e1846..675a997e97 100644
--- a/nptl/sysdeps/unix/sysv/linux/s390/s390-64/clone.S
+++ b/nptl/sysdeps/unix/sysv/linux/s390/s390-64/clone.S
@@ -1,2 +1,9 @@
-#define RESET_PID
-#include <sysdeps/unix/sysv/linux/s390/s390-64/clone.S>
+/* We want an #include_next, but we are the main source file.
+ So, #include ourselves and in that incarnation we can use #include_next. */
+#ifndef INCLUDED_SELF
+# define INCLUDED_SELF
+# include <clone.S>
+#else
+# define RESET_PID
+# include_next <clone.S>
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h
index f8eb6a9ebc..77ce742495 100644
--- a/nptl/sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h
+++ b/nptl/sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
@@ -126,3 +126,9 @@ extern int __local_multiple_threads attribute_hidden;
# define NO_CANCELLATION 1
#endif
+
+#ifndef __ASSEMBLER__
+# define RTLD_SINGLE_THREAD_P \
+ __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
+ header.multiple_threads) == 0, 1)
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/bits/pthreadtypes.h b/nptl/sysdeps/unix/sysv/linux/sh/bits/pthreadtypes.h
index 5125408dcb..969686dd5a 100644
--- a/nptl/sysdeps/unix/sysv/linux/sh/bits/pthreadtypes.h
+++ b/nptl/sysdeps/unix/sysv/linux/sh/bits/pthreadtypes.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -44,11 +44,17 @@ typedef union
} pthread_attr_t;
+typedef struct __pthread_internal_slist
+{
+ struct __pthread_internal_slist *__next;
+} __pthread_slist_t;
+
+
/* Data structures for mutex handling. The structure of the attribute
type is not exposed on purpose. */
typedef union
{
- struct
+ struct __pthread_mutex_s
{
int __lock;
unsigned int __count;
@@ -57,7 +63,11 @@ typedef union
binary compatibility. */
int __kind;
unsigned int __nusers;
- int __spins;
+ __extension__ union
+ {
+ int __spins;
+ __pthread_slist_t __list;
+ };
} __data;
char __size[__SIZEOF_PTHREAD_MUTEX_T];
long int __align;
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/clone.S b/nptl/sysdeps/unix/sysv/linux/sh/clone.S
index 62a11972d8..675a997e97 100644
--- a/nptl/sysdeps/unix/sysv/linux/sh/clone.S
+++ b/nptl/sysdeps/unix/sysv/linux/sh/clone.S
@@ -1,2 +1,9 @@
-#define RESET_PID
-#include <sysdeps/unix/sysv/linux/sh/clone.S>
+/* We want an #include_next, but we are the main source file.
+ So, #include ourselves and in that incarnation we can use #include_next. */
+#ifndef INCLUDED_SELF
+# define INCLUDED_SELF
+# include <clone.S>
+#else
+# define RESET_PID
+# include_next <clone.S>
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.S
index bcb15615e5..ac3169889f 100644
--- a/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.S
+++ b/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -32,8 +32,11 @@
.type __lll_mutex_lock_wait,@function
.hidden __lll_mutex_lock_wait
.align 5
+ cfi_startproc
__lll_mutex_lock_wait:
mov.l r8, @-r15
+ cfi_adjust_cfa_offset(4)
+ cfi_rel_offset (r8, 0)
mov r4, r6
mov r5, r8
mov #0, r7 /* No timeout. */
@@ -51,14 +54,15 @@ __lll_mutex_lock_wait:
SYSCALL_INST_PAD
2:
- mov #2, r4
- XCHG (r4, @r8, r2)
+ mov #2, r6
+ XCHG (r6, @r8, r2)
tst r2, r2
bf 1b
mov.l @r15+, r8
ret
mov r2, r0
+ cfi_endproc
.size __lll_mutex_lock_wait,.-__lll_mutex_lock_wait
@@ -67,6 +71,7 @@ __lll_mutex_lock_wait:
.type __lll_mutex_timedlock_wait,@function
.hidden __lll_mutex_timedlock_wait
.align 5
+ cfi_startproc
__lll_mutex_timedlock_wait:
/* Check for a valid timeout value. */
mov.l @(4,r6), r1
@@ -75,14 +80,21 @@ __lll_mutex_timedlock_wait:
bt 3f
mov.l r10, @-r15
+ cfi_adjust_cfa_offset(4)
+ cfi_rel_offset (r10, 0)
mov.l r9, @-r15
+ cfi_adjust_cfa_offset(4)
+ cfi_rel_offset (r9, 0)
mov.l r8, @-r15
+ cfi_adjust_cfa_offset(4)
+ cfi_rel_offset (r8, 0)
mov r4, r10
mov r6, r9
mov r5, r8
/* Stack frame for the timespec and timeval structs. */
add #-8, r15
+ cfi_adjust_cfa_offset(8)
1:
/* Get current time. */
@@ -162,6 +174,7 @@ __lll_mutex_timedlock_wait:
5:
bra 6b
mov #ETIMEDOUT, r0
+ cfi_endproc
.L1k:
.word 1000
@@ -178,6 +191,7 @@ __lll_mutex_timedlock_wait:
.type lll_unlock_wake_cb,@function
.hidden lll_unlock_wake_cb
.align 5
+ cfi_startproc
lll_unlock_wake_cb:
DEC (@r4, r2)
tst r2, r2
@@ -195,6 +209,7 @@ lll_unlock_wake_cb:
1:
rts
nop
+ cfi_endproc
.size lll_unlock_wake_cb,.-lll_unlock_wake_cb
#endif
@@ -203,6 +218,7 @@ lll_unlock_wake_cb:
.type __lll_mutex_unlock_wake,@function
.hidden __lll_mutex_unlock_wake
.align 5
+ cfi_startproc
__lll_mutex_unlock_wake:
mov #FUTEX_WAKE, r5
mov #1, r6 /* Wake one thread. */
@@ -214,6 +230,7 @@ __lll_mutex_unlock_wake:
SYSCALL_INST_PAD
rts
nop
+ cfi_endproc
.size __lll_mutex_unlock_wake,.-__lll_mutex_unlock_wake
@@ -222,14 +239,20 @@ __lll_mutex_unlock_wake:
.type __lll_timedwait_tid,@function
.hidden __lll_timedwait_tid
.align 5
+ cfi_startproc
__lll_timedwait_tid:
mov.l r9, @-r15
+ cfi_adjust_cfa_offset(4)
+ cfi_rel_offset (r9, 0)
mov.l r8, @-r15
+ cfi_adjust_cfa_offset(4)
+ cfi_rel_offset (r8, 0)
mov r4, r8
mov r5, r9
/* Stack frame for the timespec and timeval structs. */
add #-8, r15
+ cfi_adjust_cfa_offset(8)
2:
/* Get current time. */
@@ -292,6 +315,7 @@ __lll_timedwait_tid:
6:
bra 3b
mov #ETIMEDOUT, r0
+ cfi_endproc
.L1k2:
.word 1000
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h
index d9376d45a0..0eb1f0114c 100644
--- a/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h
+++ b/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -26,6 +26,9 @@
#define SYS_futex 240
#define FUTEX_WAIT 0
#define FUTEX_WAKE 1
+#define FUTEX_LOCK_PI 6
+#define FUTEX_UNLOCK_PI 7
+#define FUTEX_TRYLOCK_PI 8
/* Initializer for compatibility lock. */
@@ -62,6 +65,28 @@ extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
: "r0", "r1", "r2", "t", "memory"); \
__result; })
+#define lll_robust_mutex_trylock(futex, id) \
+ ({ unsigned char __result; \
+ __asm __volatile ("\
+ .align 2\n\
+ mova 1f,r0\n\
+ nop\n\
+ mov r15,r1\n\
+ mov #-8,r15\n\
+ 0: mov.l @%1,r2\n\
+ cmp/eq r2,%3\n\
+ bf 1f\n\
+ mov.l %2,@%1\n\
+ 1: mov r1,r15\n\
+ mov #-1,%0\n\
+ negc %0,%0"\
+ : "=r" (__result) \
+ : "r" (&(futex)), \
+ "r" (id), \
+ "r" (LLL_MUTEX_LOCK_INITIALIZER) \
+ : "r0", "r1", "r2", "t", "memory"); \
+ __result; })
+
#define lll_mutex_cond_trylock(futex) \
({ unsigned char __result; \
__asm __volatile ("\
@@ -102,6 +127,25 @@ extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
if (__result) \
__lll_mutex_lock_wait (__result, __futex); })
+#define lll_robust_mutex_lock(futex, id) \
+ ({ int __result, val, *__futex = &(futex); \
+ __asm __volatile ("\
+ .align 2\n\
+ mova 1f,r0\n\
+ nop\n\
+ mov r15,r1\n\
+ mov #-8,r15\n\
+ 0: mov.l @%2,%0\n\
+ tst %0,%0\n\
+ bf 1f\n\
+ mov.l %1,@%2\n\
+ 1: mov r1,r15"\
+ : "=&r" (__result) : "r" (id), "r" (__futex) \
+ : "r0", "r1", "t", "memory"); \
+ if (__result) \
+ __result = __lll_robust_mutex_lock_wait (__result, __futex); \
+ __result; })
+
/* Special version of lll_mutex_lock which causes the unlock function to
always wakeup waiters. */
#define lll_mutex_cond_lock(futex) \
@@ -122,6 +166,25 @@ extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
if (__result) \
__lll_mutex_lock_wait (__result, __futex); })
+#define lll_robust_mutex_cond_lock(futex, id) \
+ ({ int __result, val, *__futex = &(futex); \
+ __asm __volatile ("\
+ .align 2\n\
+ mova 1f,r0\n\
+ nop\n\
+ mov r15,r1\n\
+ mov #-8,r15\n\
+ 0: mov.l @%2,%0\n\
+ tst %0,%0\n\
+ bf 1f\n\
+ mov.l %1,@%2\n\
+ 1: mov r1,r15"\
+ : "=&r" (__result) : "r" (id | FUTEX_WAITERS), "r" (__futex) \
+ : "r0", "r1", "t", "memory"); \
+ if (__result) \
+ __result = __lll_robust_mutex_lock_wait (__result, __futex); \
+ __result; })
+
#define lll_mutex_timedlock(futex, timeout) \
({ int __result, val, *__futex = &(futex); \
__asm __volatile ("\
@@ -141,6 +204,26 @@ extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
__result = __lll_mutex_timedlock_wait (__result, __futex, timeout); \
__result; })
+#define lll_robust_mutex_timedlock(futex, timeout, id) \
+ ({ int __result, val, *__futex = &(futex); \
+ __asm __volatile ("\
+ .align 2\n\
+ mova 1f,r0\n\
+ nop\n\
+ mov r15,r1\n\
+ mov #-8,r15\n\
+ 0: mov.l @%2,%0\n\
+ tst %0,%0\n\
+ bf 1f\n\
+ mov.l %1,@%2\n\
+ 1: mov r1,r15"\
+ : "=&r" (__result) : "r" (id), "r" (__futex) \
+ : "r0", "r1", "t", "memory"); \
+ if (__result) \
+ __result = __lll_robust_mutex_timedlock_wait (__result, __futex, \
+ timeout); \
+ __result; })
+
#define lll_mutex_unlock(futex) \
(void) ({ int __result, *__futex = &(futex); \
__asm __volatile ("\
@@ -157,6 +240,37 @@ extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
if (__result) \
__lll_mutex_unlock_wake (__futex); })
+#define lll_robust_mutex_unlock(futex) \
+ (void) ({ int __result, *__futex = &(futex); \
+ __asm __volatile ("\
+ .align 2\n\
+ mova 1f,r0\n\
+ mov r15,r1\n\
+ mov #-6,r15\n\
+ 0: mov.l @%1,%0\n\
+ and %2,%0\n\
+ mov.l %0,@%1\n\
+ 1: mov r1,r15"\
+ : "=&r" (__result) : "r" (__futex), "r" (FUTEX_TID_MASK) \
+ : "r0", "r1", "memory"); \
+ if (__result) \
+ __lll_mutex_unlock_wake (__futex); })
+
+#define lll_robust_mutex_dead(futex) \
+ (void) ({ int __ignore, *__futex = &(futex); \
+ __asm __volatile ("\
+ .align 2\n\
+ mova 1f,r0\n\
+ mov r15,r1\n\
+ mov #-6,r15\n\
+ 0: mov.l @%1,%0\n\
+ or %2,%0\n\
+ mov.l %0,@%1\n\
+ 1: mov r1,r15"\
+ : "=&r" (__ignore) : "r" (__futex), "r" (FUTEX_OWNER_DIED) \
+ : "r0", "r1", "memory"); \
+ lll_futex_wake (__futex, 1); })
+
#define lll_mutex_islocked(futex) \
(futex != 0)
@@ -181,19 +295,37 @@ typedef int lll_lock_t;
# endif
#define lll_futex_wait(futex, val) \
- do { \
- int __ignore; \
+ ({ \
+ int __status; \
register unsigned long __r3 asm ("r3") = SYS_futex; \
register unsigned long __r4 asm ("r4") = (unsigned long) (futex); \
register unsigned long __r5 asm ("r5") = FUTEX_WAIT; \
register unsigned long __r6 asm ("r6") = (unsigned long) (val); \
register unsigned long __r7 asm ("r7") = 0; \
__asm __volatile (SYSCALL_WITH_INST_PAD \
- : "=z" (__ignore) \
+ : "=z" (__status) \
: "r" (__r3), "r" (__r4), "r" (__r5), \
"r" (__r6), "r" (__r7) \
: "memory", "t"); \
- } while (0)
+ __status; \
+ })
+
+
+#define lll_futex_timed_wait(futex, val, timeout) \
+ ({ \
+ int __status; \
+ register unsigned long __r3 asm ("r3") = SYS_futex; \
+ register unsigned long __r4 asm ("r4") = (unsigned long) (futex); \
+ register unsigned long __r5 asm ("r5") = FUTEX_WAIT; \
+ register unsigned long __r6 asm ("r6") = (unsigned long) (val); \
+ register unsigned long __r7 asm ("r7") = (timeout); \
+ __asm __volatile (SYSCALL_WITH_INST_PAD \
+ : "=z" (__status) \
+ : "r" (__r3), "r" (__r4), "r" (__r5), \
+ "r" (__r6), "r" (__r7) \
+ : "memory", "t"); \
+ __status; \
+ })
#define lll_futex_wake(futex, nr) \
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/lowlevelrobustlock.S b/nptl/sysdeps/unix/sysv/linux/sh/lowlevelrobustlock.S
new file mode 100644
index 0000000000..c57d3cff18
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sh/lowlevelrobustlock.S
@@ -0,0 +1,224 @@
+/* Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sysdep.h>
+#include <pthread-errnos.h>
+#include <lowlevelrobustlock.h>
+#include "lowlevel-atomic.h"
+
+ .text
+
+#define SYS_gettimeofday __NR_gettimeofday
+#define SYS_futex 240
+#define FUTEX_WAIT 0
+#define FUTEX_WAKE 1
+#define FUTEX_WAITERS 0x80000000
+#define FUTEX_OWNER_DIED 0x40000000
+
+
+ .globl __lll_robust_mutex_lock_wait
+ .type __lll_robust_mutex_lock_wait,@function
+ .hidden __lll_robust_mutex_lock_wait
+ .align 5
+ cfi_startproc
+__lll_robust_mutex_lock_wait:
+ mov.l r8, @-r15
+ cfi_adjust_cfa_offset(4)
+ cfi_rel_offset (r8, 0)
+ mov r5, r8
+ mov #0, r7 /* No timeout. */
+ mov #FUTEX_WAIT, r5
+
+4:
+ mov r4, r6
+ mov.l .L_FUTEX_WAITERS, r0
+ or r0, r6
+ shlr r0 /* r0 = FUTEX_OWNER_DIED */
+ tst r0, r4
+ bf/s 3f
+ cmp/eq r4, r6
+ bt 1f
+
+ CMPXCHG (r4, @r8, r6, r2)
+ bf 2f
+
+1:
+ mov r8, r4
+ mov #SYS_futex, r3
+ extu.b r3, r3
+ trapa #0x14
+ SYSCALL_INST_PAD
+
+ mov.l @r8, r2
+
+2:
+ tst r2, r2
+ bf/s 4b
+ mov r2, r4
+
+ stc gbr, r1
+ mov.w .Ltidoff, r2
+ add r2, r1
+ mov.l @r1, r6
+ mov #0, r3
+ CMPXCHG (r3, @r8, r6, r4)
+ bf 4b
+ mov #0, r4
+
+3:
+ mov.l @r15+, r8
+ ret
+ mov r4, r0
+ cfi_endproc
+ .align 2
+.L_FUTEX_WAITERS:
+ .long FUTEX_WAITERS
+.Ltidoff:
+ .word TID - TLS_PRE_TCB_SIZE
+ .size __lll_robust_mutex_lock_wait,.-__lll_robust_mutex_lock_wait
+
+
+ .globl __lll_robust_mutex_timedlock_wait
+ .type __lll_robust_mutex_timedlock_wait,@function
+ .hidden __lll_robust_mutex_timedlock_wait
+ .align 5
+ cfi_startproc
+__lll_robust_mutex_timedlock_wait:
+ /* Check for a valid timeout value. */
+ mov.l @(4,r6), r1
+ mov.l .L1g, r0
+ cmp/hs r0, r1
+ bt 3f
+
+ mov.l r10, @-r15
+ cfi_adjust_cfa_offset(4)
+ cfi_rel_offset (r10, 0)
+ mov.l r9, @-r15
+ cfi_adjust_cfa_offset(4)
+ cfi_rel_offset (r9, 0)
+ mov.l r8, @-r15
+ cfi_adjust_cfa_offset(4)
+ cfi_rel_offset (r8, 0)
+ mov r4, r10
+ mov r6, r9
+ mov r5, r8
+
+ /* Stack frame for the timespec and timeval structs. */
+ add #-8, r15
+ cfi_adjust_cfa_offset(8)
+
+1:
+ /* Get current time. */
+ mov r15, r4
+ mov #0, r5
+ mov #SYS_gettimeofday, r3
+ trapa #0x12
+ SYSCALL_INST_PAD
+
+ /* Compute relative timeout. */
+ mov.l @(4,r15), r0
+ mov.w .L1k, r1
+ dmulu.l r0, r1 /* Micro seconds to nano seconds. */
+ mov.l @r9, r2
+ mov.l @(4,r9), r3
+ mov.l @r15, r0
+ sts macl, r1
+ sub r0, r2
+ clrt
+ subc r1, r3
+ bf 4f
+ mov.l .L1g, r1
+ add r1, r3
+ add #-1, r2
+4:
+ cmp/pz r2
+ bf 8f /* Time is already up. */
+
+ mov.l r2, @r15 /* Store relative timeout. */
+ mov.l r3, @(4,r15)
+
+ mov r10, r6
+ mov.l .L_FUTEX_WAITERS2, r0
+ or r0, r6
+ shlr r0 /* r0 = FUTEX_OWNER_DIED */
+ tst r0, r4
+ bf/s 6f
+ cmp/eq r4, r6
+ bt 2f
+
+ CMPXCHG (r4, @r8, r6, r2)
+ bf/s 5f
+ mov #0, r5
+
+2:
+ mov r8, r4
+ mov #FUTEX_WAIT, r5
+ mov r10, r6
+ mov r15, r7
+ mov #SYS_futex, r3
+ extu.b r3, r3
+ trapa #0x14
+ SYSCALL_INST_PAD
+ mov r0, r5
+
+ mov.l @r8, r2
+
+5:
+ tst r2, r2
+ bf/s 7f
+ mov r2, r10
+
+ stc gbr, r1
+ mov.w .Ltidoff2, r2
+ add r2, r1
+ mov.l @r1, r4
+ mov #0, r3
+ CMPXCHG (r3, @r8, r4, r10)
+ bf 7f
+ mov #0, r0
+
+6:
+ add #8, r15
+ mov.l @r15+, r8
+ mov.l @r15+, r9
+ rts
+ mov.l @r15+, r10
+
+7:
+ /* Check whether the time expired. */
+ mov #-ETIMEDOUT, r1
+ cmp/eq r5, r1
+ bf 1b
+
+8:
+ bra 6b
+ mov #ETIMEDOUT, r0
+3:
+ rts
+ mov #EINVAL, r0
+ cfi_endproc
+ .align 2
+.L_FUTEX_WAITERS2:
+ .long FUTEX_WAITERS
+.L1g:
+ .long 1000000000
+.Ltidoff2:
+ .word TID - TLS_PRE_TCB_SIZE
+.L1k:
+ .word 1000
+ .size __lll_robust_mutex_timedlock_wait,.-__lll_robust_mutex_timedlock_wait
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_broadcast.S b/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_broadcast.S
index 6bd6e60ec1..56f0aa95de 100644
--- a/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_broadcast.S
+++ b/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_broadcast.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -20,6 +20,7 @@
#include <shlib-compat.h>
#include <lowlevelcond.h>
#include <kernel-features.h>
+#include <pthread-pi-defines.h>
#include "lowlevel-atomic.h"
#define SYS_futex 240
@@ -98,6 +99,11 @@ __pthread_cond_broadcast:
bt/s 9f
add #cond_futex, r4
+ /* XXX: The kernel so far doesn't support requeue to PI futex. */
+ mov.l @(MUTEX_KIND,r9), r0
+ tst #PI_BIT, r0
+ bf 9f
+
/* Wake up all threads. */
mov #FUTEX_CMP_REQUEUE, r5
mov #1, r6
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S b/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S
index 74206a71ec..6c782c8a76 100644
--- a/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S
+++ b/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -521,6 +521,21 @@ __condvar_tw_cleanup:
mov #1, r2
mov #0, r3
+ /* We increment the wakeup_seq counter only if it is lower than
+ total_seq. If this is not the case the thread was woken and
+ then canceled. In this case we ignore the signal. */
+ mov.l @(total_seq+4,r8), r0
+ mov.l @(wakeup_seq+4,r8), r1
+ cmp/hi r1, r0
+ bt/s 6f
+ cmp/hi r0, r1
+ bt 7f
+ mov.l @(total_seq,r8), r0
+ mov.l @(wakeup_seq,r8), r1
+ cmp/hs r0, r1
+ bt 7f
+
+6:
clrt
mov.l @(wakeup_seq,r8),r0
mov.l @(wakeup_seq+4,r8),r1
@@ -532,6 +547,7 @@ __condvar_tw_cleanup:
add r2, r0
mov.l r0,@(cond_futex,r8)
+7:
clrt
mov.l @(woken_seq,r8),r0
mov.l @(woken_seq+4,r8),r1
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S b/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S
index 2d6b685668..6c59f3e6c0 100644
--- a/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S
+++ b/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -385,6 +385,21 @@ __condvar_w_cleanup:
mov #1, r2
mov #0, r3
+ /* We increment the wakeup_seq counter only if it is lower than
+ total_seq. If this is not the case the thread was woken and
+ then canceled. In this case we ignore the signal. */
+ mov.l @(total_seq+4,r8), r0
+ mov.l @(wakeup_seq+4,r8), r1
+ cmp/hi r1, r0
+ bt/s 6f
+ cmp/hi r0, r1
+ bt 7f
+ mov.l @(total_seq,r8), r0
+ mov.l @(wakeup_seq,r8), r1
+ cmp/hs r0, r1
+ bt 7f
+
+6:
clrt
mov.l @(wakeup_seq,r8),r0
mov.l @(wakeup_seq+4,r8),r1
@@ -396,6 +411,7 @@ __condvar_w_cleanup:
add r2, r0
mov.l r0,@(cond_futex,r8)
+7:
clrt
mov.l @(woken_seq,r8),r0
mov.l @(woken_seq+4,r8),r1
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/sh4/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/sh/sh4/lowlevellock.h
index 8cdcac5560..90be7bd8d0 100644
--- a/nptl/sysdeps/unix/sysv/linux/sh/sh4/lowlevellock.h
+++ b/nptl/sysdeps/unix/sysv/linux/sh/sh4/lowlevellock.h
@@ -1,4 +1,4 @@
/* 4 instruction cycles not accessing cache and TLB are needed after
trapa instruction to avoid an SH-4 silicon bug. */
#define NEED_SYSCALL_INST_PAD
-#include <sysdeps/unix/sysv/linux/sh/lowlevellock.h>
+#include_next <lowlevellock.h>
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/sh/sysdep-cancel.h
index fc3c2340b6..a8065c6a8c 100644
--- a/nptl/sysdeps/unix/sysv/linux/sh/sysdep-cancel.h
+++ b/nptl/sysdeps/unix/sysv/linux/sh/sysdep-cancel.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -49,27 +49,32 @@
.size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel; \
.Lpseudo_cancel: \
sts.l pr,@-r15; \
- .LCFI0: \
+ cfi_adjust_cfa_offset (4); \
+ cfi_rel_offset (pr, 0); \
add _IMM16,r15; \
+ cfi_adjust_cfa_offset (16); \
SAVE_ARGS_##args; \
- .LCFI1: \
CENABLE; \
LOAD_ARGS_##args; \
add _IMP16,r15; \
- .LCFI2: \
+ cfi_adjust_cfa_offset (-16); \
lds.l @r15+,pr; \
- .LCFI3: \
+ cfi_adjust_cfa_offset (-4); \
+ cfi_restore (pr); \
DO_CALL(syscall_name, args); \
SYSCALL_INST_PAD; \
sts.l pr,@-r15; \
- .LCFI4: \
+ cfi_adjust_cfa_offset (4); \
+ cfi_rel_offset (pr, 0); \
mov.l r0,@-r15; \
- .LCFI5: \
+ cfi_adjust_cfa_offset (4); \
+ cfi_rel_offset (r0, 0); \
CDISABLE; \
mov.l @r15+,r0; \
- .LCFI6: \
+ cfi_adjust_cfa_offset (-4); \
lds.l @r15+,pr; \
- .LCFI7: \
+ cfi_adjust_cfa_offset (-4); \
+ cfi_restore (pr); \
mov r0,r1; \
mov _IMM12,r2; \
shad r2,r1; \
@@ -78,106 +83,17 @@
bf .Lpseudo_end; \
.Lsyscall_error: \
SYSCALL_ERROR_HANDLER; \
- .Lpseudo_end: \
- /* Create unwinding information for the syscall wrapper. */ \
- .section .eh_frame,"a",@progbits; \
- .Lframe1: \
- .ualong .LECIE1-.LSCIE1; \
- .LSCIE1: \
- .ualong 0x0; \
- .byte 0x1; \
- AUGMENTATION_STRING; \
- .uleb128 0x1; \
- .sleb128 -4; \
- .byte 0x11; \
- AUGMENTATION_PARAM; \
- .byte 0xc; \
- .uleb128 0xf; \
- .uleb128 0x0; \
- .align 2; \
- .LECIE1: \
- .LSFDE1: \
- .ualong .LEFDE1-.LASFDE1; \
- .LASFDE1: \
- .ualong .LASFDE1-.Lframe1; \
- START_SYMBOL_REF; \
- .ualong .Lpseudo_end - .Lpseudo_start; \
- AUGMENTATION_PARAM_FDE; \
- .byte 0x4; \
- .ualong .LCFI0-.Lpseudo_start; \
- .byte 0xe; \
- .uleb128 0x4; \
- .byte 0x91; \
- .uleb128 0x1; \
- .byte 0x4; \
- .ualong .LCFI1-.LCFI0; \
- .byte 0xe; \
- .uleb128 0x14; \
- FRAME_REG_##args; \
- .byte 0x4; \
- .ualong .LCFI2-.LCFI1; \
- .byte 0xe; \
- .uleb128 0x4; \
- .byte 0x4; \
- .ualong .LCFI3-.LCFI2; \
- .byte 0xe; \
- .uleb128 0x0; \
- .byte 0xd1; \
- .byte 0x4; \
- .ualong .LCFI4-.LCFI3; \
- .byte 0xe; \
- .uleb128 0x4; \
- .byte 0x91; \
- .uleb128 0x1; \
- .byte 0x4; \
- .ualong .LCFI5-.LCFI4; \
- .byte 0xe; \
- .uleb128 0x8; \
- .byte 0x80; \
- .uleb128 0x2; \
- .byte 0x4; \
- .ualong .LCFI6-.LCFI5; \
- .byte 0xe; \
- .uleb128 0x4; \
- .byte 0xc0; \
- .byte 0x4; \
- .ualong .LCFI7-.LCFI6; \
- .byte 0xe; \
- .uleb128 0x0; \
- .byte 0xd1; \
- .align 2; \
- .LEFDE1: \
- .previous
-
-# ifdef SHARED
-# define AUGMENTATION_STRING .string "zR"
-# define AUGMENTATION_PARAM .uleb128 1; .byte 0x1b
-# define AUGMENTATION_PARAM_FDE .uleb128 0
-# define START_SYMBOL_REF .long .Lpseudo_start-.
-# else
-# define AUGMENTATION_STRING .ascii "\0"
-# define AUGMENTATION_PARAM
-# define AUGMENTATION_PARAM_FDE
-# define START_SYMBOL_REF .long .Lpseudo_start
-# endif
-
-# define FRAME_REG_0 /* Nothing. */
-# define FRAME_REG_1 FRAME_REG_0; .byte 0x84; .uleb128 5
-# define FRAME_REG_2 FRAME_REG_1; .byte 0x85; .uleb128 4
-# define FRAME_REG_3 FRAME_REG_2; .byte 0x86; .uleb128 3
-# define FRAME_REG_4 FRAME_REG_3; .byte 0x87; .uleb128 2
-# define FRAME_REG_5 FRAME_REG_4
-# define FRAME_REG_6 FRAME_REG_5
+ .Lpseudo_end:
# undef PSEUDO_END
# define PSEUDO_END(sym) \
END (sym)
# define SAVE_ARGS_0 /* Nothing. */
-# define SAVE_ARGS_1 SAVE_ARGS_0; mov.l r4,@(0,r15)
-# define SAVE_ARGS_2 SAVE_ARGS_1; mov.l r5,@(4,r15)
-# define SAVE_ARGS_3 SAVE_ARGS_2; mov.l r6,@(8,r15)
-# define SAVE_ARGS_4 SAVE_ARGS_3; mov.l r7,@(12,r15)
+# define SAVE_ARGS_1 SAVE_ARGS_0; mov.l r4,@(0,r15); cfi_offset (r4,-4)
+# define SAVE_ARGS_2 SAVE_ARGS_1; mov.l r5,@(4,r15); cfi_offset (r5,-8)
+# define SAVE_ARGS_3 SAVE_ARGS_2; mov.l r6,@(8,r15); cfi_offset (r6,-12)
+# define SAVE_ARGS_4 SAVE_ARGS_3; mov.l r7,@(12,r15); cfi_offset (r7,-16)
# define SAVE_ARGS_5 SAVE_ARGS_4
# define SAVE_ARGS_6 SAVE_ARGS_5
@@ -245,3 +161,9 @@
# define NO_CANCELLATION 1
#endif
+
+#ifndef __ASSEMBLER__
+# define RTLD_SINGLE_THREAD_P \
+ __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
+ header.multiple_threads) == 0, 1)
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/sleep.c b/nptl/sysdeps/unix/sysv/linux/sleep.c
index c56b49b39f..2dce3210ca 100644
--- a/nptl/sysdeps/unix/sysv/linux/sleep.c
+++ b/nptl/sysdeps/unix/sysv/linux/sleep.c
@@ -1,2 +1,10 @@
-#include <nptl/pthreadP.h>
-#include <sysdeps/unix/sysv/linux/sleep.c>
+/* We want an #include_next, but we are the main source file.
+ So, #include ourselves and in that incarnation we can use #include_next. */
+#ifndef INCLUDED_SELF
+# define INCLUDED_SELF
+# include <sleep.c>
+#else
+/* This defines the CANCELLATION_P macro, which sleep.c checks for. */
+# include <pthreadP.h>
+# include_next <sleep.c>
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/smp.h b/nptl/sysdeps/unix/sysv/linux/smp.h
index 4f4d358d32..fcc34f7681 100644
--- a/nptl/sysdeps/unix/sysv/linux/smp.h
+++ b/nptl/sysdeps/unix/sysv/linux/smp.h
@@ -1,5 +1,5 @@
/* Determine whether the host has multiple processors. Linux version.
- Copyright (C) 1996, 2002, 2004 Free Software Foundation, Inc.
+ Copyright (C) 1996, 2002, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -17,36 +17,12 @@
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-#include <errno.h>
-#include <fcntl.h>
-#include <string.h>
-#include <sys/sysctl.h>
-#include <not-cancel.h>
-
/* Test whether the machine has more than one processor. This is not the
best test but good enough. More complicated tests would require `malloc'
which is not available at that time. */
static inline int
is_smp_system (void)
{
- static const int sysctl_args[] = { CTL_KERN, KERN_VERSION };
- char buf[512];
- size_t reslen = sizeof (buf);
-
- /* Try reading the number using `sysctl' first. */
- if (__sysctl ((int *) sysctl_args,
- sizeof (sysctl_args) / sizeof (sysctl_args[0]),
- buf, &reslen, NULL, 0) < 0)
- {
- /* This was not successful. Now try reading the /proc filesystem. */
- int fd = open_not_cancel_2 ("/proc/sys/kernel/version", O_RDONLY);
- if (__builtin_expect (fd, 0) == -1
- || (reslen = read_not_cancel (fd, buf, sizeof (buf))) <= 0)
- /* This also didn't work. We give up and say it's a UP machine. */
- buf[0] = '\0';
-
- close_not_cancel_no_status (fd);
- }
-
- return strstr (buf, "SMP") != NULL;
+ /* Assume all machines are SMP and/or CMT and/or SMT. */
+ return 1;
}
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/Makefile b/nptl/sysdeps/unix/sysv/linux/sparc/Makefile
new file mode 100644
index 0000000000..e98c9bd866
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/Makefile
@@ -0,0 +1,2 @@
+# pull in __syscall_error routine
+libpthread-routines += sysdep
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/bits/pthreadtypes.h b/nptl/sysdeps/unix/sysv/linux/sparc/bits/pthreadtypes.h
index 3c5a289445..e734c1205e 100644
--- a/nptl/sysdeps/unix/sysv/linux/sparc/bits/pthreadtypes.h
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/bits/pthreadtypes.h
@@ -1,5 +1,5 @@
/* Machine-specific pthread type layouts. SPARC version.
- Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
@@ -58,11 +58,25 @@ typedef union
} pthread_attr_t;
+#if __WORDSIZE == 64
+typedef struct __pthread_internal_list
+{
+ struct __pthread_internal_list *__prev;
+ struct __pthread_internal_list *__next;
+} __pthread_list_t;
+#else
+typedef struct __pthread_internal_slist
+{
+ struct __pthread_internal_slist *__next;
+} __pthread_slist_t;
+#endif
+
+
/* Data structures for mutex handling. The structure of the attribute
type is deliberately not exposed. */
typedef union
{
- struct
+ struct __pthread_mutex_s
{
int __lock;
unsigned int __count;
@@ -73,10 +87,18 @@ typedef union
/* KIND must stay at this position in the structure to maintain
binary compatibility. */
int __kind;
-#if __WORDSIZE != 64
+#if __WORDSIZE == 64
+ int __spins;
+ __pthread_list_t __list;
+# define __PTHREAD_MUTEX_HAVE_PREV 1
+#else
unsigned int __nusers;
+ __extension__ union
+ {
+ int __spins;
+ __pthread_slist_t __list;
+ };
#endif
- int __spins;
} __data;
char __size[__SIZEOF_PTHREAD_MUTEX_T];
long int __align;
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/sparc/lowlevellock.h
index 4626aec524..5013922a2f 100644
--- a/nptl/sysdeps/unix/sysv/linux/sparc/lowlevellock.h
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/lowlevellock.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
@@ -30,6 +30,11 @@
#define FUTEX_WAKE 1
#define FUTEX_REQUEUE 3
#define FUTEX_CMP_REQUEUE 4
+#define FUTEX_WAKE_OP 5
+#define FUTEX_OP_CLEAR_WAKE_IF_GT_ONE ((4 << 24) | 1)
+#define FUTEX_LOCK_PI 6
+#define FUTEX_UNLOCK_PI 7
+#define FUTEX_TRYLOCK_PI 8
/* Initializer for compatibility lock. */
#define LLL_MUTEX_LOCK_INITIALIZER (0)
@@ -76,15 +81,38 @@
INTERNAL_SYSCALL_ERROR_P (__ret, __err); \
})
+#define lll_robust_mutex_dead(futexv) \
+ do \
+ { \
+ int *__futexp = &(futexv); \
+ atomic_or (__futexp, FUTEX_OWNER_DIED); \
+ lll_futex_wake (__futexp, 1); \
+ } \
+ while (0)
+
+/* Returns non-zero if error happened, zero if success. */
#ifdef __sparc32_atomic_do_lock
-#error SPARC < v9 does not support compare and swap which is essential for futex based locking
+/* Avoid FUTEX_WAKE_OP if supporting pre-v9 CPUs. */
+# define lll_futex_wake_unlock(futexp, nr_wake, nr_wake2, futexp2) 1
+#else
+# define lll_futex_wake_unlock(futexp, nr_wake, nr_wake2, futexp2) \
+ ({ \
+ INTERNAL_SYSCALL_DECL (__err); \
+ long int __ret; \
+ \
+ __ret = INTERNAL_SYSCALL (futex, __err, 6, \
+ (futexp), FUTEX_WAKE_OP, (nr_wake), \
+ (nr_wake2), (futexp2), \
+ FUTEX_OP_CLEAR_WAKE_IF_GT_ONE); \
+ INTERNAL_SYSCALL_ERROR_P (__ret, __err); \
+ })
#endif
static inline int
__attribute__ ((always_inline))
__lll_mutex_trylock (int *futex)
{
- return atomic_compare_and_exchange_val_acq (futex, 1, 0) != 0;
+ return atomic_compare_and_exchange_val_24_acq (futex, 1, 0) != 0;
}
#define lll_mutex_trylock(futex) __lll_mutex_trylock (&(futex))
@@ -92,47 +120,71 @@ static inline int
__attribute__ ((always_inline))
__lll_mutex_cond_trylock (int *futex)
{
- return atomic_compare_and_exchange_val_acq (futex, 2, 0) != 0;
+ return atomic_compare_and_exchange_val_24_acq (futex, 2, 0) != 0;
}
#define lll_mutex_cond_trylock(futex) __lll_mutex_cond_trylock (&(futex))
+static inline int
+__attribute__ ((always_inline))
+__lll_robust_mutex_trylock (int *futex, int id)
+{
+ return atomic_compare_and_exchange_val_acq (futex, id, 0) != 0;
+}
+#define lll_robust_mutex_trylock(futex, id) \
+ __lll_robust_mutex_trylock (&(futex), id)
-extern void __lll_lock_wait (int *futex) attribute_hidden;
+extern void __lll_lock_wait (int *futex) attribute_hidden;
+extern int __lll_robust_lock_wait (int *futex) attribute_hidden;
static inline void
__attribute__ ((always_inline))
__lll_mutex_lock (int *futex)
{
- int val = atomic_compare_and_exchange_val_acq (futex, 1, 0);
+ int val = atomic_compare_and_exchange_val_24_acq (futex, 1, 0);
if (__builtin_expect (val != 0, 0))
__lll_lock_wait (futex);
}
#define lll_mutex_lock(futex) __lll_mutex_lock (&(futex))
+static inline int
+__attribute__ ((always_inline))
+__lll_robust_mutex_lock (int *futex, int id)
+{
+ int result = 0;
+ if (atomic_compare_and_exchange_bool_acq (futex, id, 0) != 0)
+ result = __lll_robust_lock_wait (futex);
+ return result;
+}
+#define lll_robust_mutex_lock(futex, id) \
+ __lll_robust_mutex_lock (&(futex), id)
static inline void
__attribute__ ((always_inline))
__lll_mutex_cond_lock (int *futex)
{
- int val = atomic_compare_and_exchange_val_acq (futex, 2, 0);
+ int val = atomic_compare_and_exchange_val_24_acq (futex, 2, 0);
if (__builtin_expect (val != 0, 0))
__lll_lock_wait (futex);
}
#define lll_mutex_cond_lock(futex) __lll_mutex_cond_lock (&(futex))
+#define lll_robust_mutex_cond_lock(futex, id) \
+ __lll_robust_mutex_lock (&(futex), (id) | FUTEX_WAITERS)
+
extern int __lll_timedlock_wait (int *futex, const struct timespec *)
attribute_hidden;
-
+extern int __lll_robust_timedlock_wait (int *futex, const struct timespec *)
+ attribute_hidden;
static inline int
__attribute__ ((always_inline))
__lll_mutex_timedlock (int *futex, const struct timespec *abstime)
{
- int val = atomic_compare_and_exchange_val_acq (futex, 1, 0);
+ int val = atomic_compare_and_exchange_val_24_acq (futex, 1, 0);
int result = 0;
if (__builtin_expect (val != 0, 0))
@@ -142,18 +194,39 @@ __lll_mutex_timedlock (int *futex, const struct timespec *abstime)
#define lll_mutex_timedlock(futex, abstime) \
__lll_mutex_timedlock (&(futex), abstime)
+static inline int
+__attribute__ ((always_inline))
+__lll_robust_mutex_timedlock (int *futex, const struct timespec *abstime,
+ int id)
+{
+ int result = 0;
+ if (atomic_compare_and_exchange_bool_acq (futex, id, 0) != 0)
+ result = __lll_robust_timedlock_wait (futex, abstime);
+ return result;
+}
+#define lll_robust_mutex_timedlock(futex, abstime, id) \
+ __lll_robust_mutex_timedlock (&(futex), abstime, id)
+
#define lll_mutex_unlock(lock) \
((void) ({ \
int *__futex = &(lock); \
- int __val = atomic_exchange_rel (__futex, 0); \
+ int __val = atomic_exchange_24_rel (__futex, 0); \
if (__builtin_expect (__val > 1, 0)) \
lll_futex_wake (__futex, 1); \
}))
+#define lll_robust_mutex_unlock(lock) \
+ ((void) ({ \
+ int *__futex = &(lock); \
+ int __val = atomic_exchange_rel (__futex, 0); \
+ if (__builtin_expect (__val & FUTEX_WAITERS, 0)) \
+ lll_futex_wake (__futex, 1); \
+ }))
+
#define lll_mutex_unlock_force(lock) \
((void) ({ \
int *__futex = &(lock); \
- (void) atomic_exchange_rel (__futex, 0); \
+ (void) atomic_exchange_24_rel (__futex, 0); \
lll_futex_wake (__futex, 1); \
}))
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S
index da6197c00d..675a997e97 100644
--- a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S
@@ -1,2 +1,9 @@
-#define RESET_PID
-#include <sysdeps/unix/sysv/linux/sparc/sparc32/clone.S>
+/* We want an #include_next, but we are the main source file.
+ So, #include ourselves and in that incarnation we can use #include_next. */
+#ifndef INCLUDED_SELF
+# define INCLUDED_SELF
+# include <clone.S>
+#else
+# define RESET_PID
+# include_next <clone.S>
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/lowlevellock.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/lowlevellock.c
new file mode 100644
index 0000000000..a7611d6a88
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/lowlevellock.c
@@ -0,0 +1,131 @@
+/* low level locking for pthread library. SPARC version.
+ Copyright (C) 2003, 2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <sysdep.h>
+#include <lowlevellock.h>
+#include <sys/time.h>
+
+
+void
+__lll_lock_wait (int *futex)
+{
+ do
+ {
+ int oldval = atomic_compare_and_exchange_val_24_acq (futex, 2, 1);
+ if (oldval != 0)
+ lll_futex_wait (futex, 2);
+ }
+ while (atomic_compare_and_exchange_val_24_acq (futex, 2, 0) != 0);
+}
+
+
+int
+__lll_timedlock_wait (int *futex, const struct timespec *abstime)
+{
+ /* Reject invalid timeouts. */
+ if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000)
+ return EINVAL;
+
+ do
+ {
+ struct timeval tv;
+ struct timespec rt;
+
+ /* Get the current time. */
+ (void) __gettimeofday (&tv, NULL);
+
+ /* Compute relative timeout. */
+ rt.tv_sec = abstime->tv_sec - tv.tv_sec;
+ rt.tv_nsec = abstime->tv_nsec - tv.tv_usec * 1000;
+ if (rt.tv_nsec < 0)
+ {
+ rt.tv_nsec += 1000000000;
+ --rt.tv_sec;
+ }
+
+ /* Already timed out? */
+ if (rt.tv_sec < 0)
+ return ETIMEDOUT;
+
+ /* Wait. */
+ int oldval = atomic_compare_and_exchange_val_24_acq (futex, 2, 1);
+ if (oldval != 0)
+ lll_futex_timed_wait (futex, 2, &rt);
+ }
+ while (atomic_compare_and_exchange_val_24_acq (futex, 2, 0) != 0);
+
+ return 0;
+}
+
+
+/* These don't get included in libc.so */
+#ifdef IS_IN_libpthread
+int
+lll_unlock_wake_cb (int *futex)
+{
+ int val = atomic_exchange_24_rel (futex, 0);
+
+ if (__builtin_expect (val > 1, 0))
+ lll_futex_wake (futex, 1);
+
+ return 0;
+}
+
+
+int
+__lll_timedwait_tid (int *tidp, const struct timespec *abstime)
+{
+ int tid;
+
+ if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000)
+ return EINVAL;
+
+ /* Repeat until thread terminated. */
+ while ((tid = *tidp) != 0)
+ {
+ struct timeval tv;
+ struct timespec rt;
+
+ /* Get the current time. */
+ (void) __gettimeofday (&tv, NULL);
+
+ /* Compute relative timeout. */
+ rt.tv_sec = abstime->tv_sec - tv.tv_sec;
+ rt.tv_nsec = abstime->tv_nsec - tv.tv_usec * 1000;
+ if (rt.tv_nsec < 0)
+ {
+ rt.tv_nsec += 1000000000;
+ --rt.tv_sec;
+ }
+
+ /* Already timed out? */
+ if (rt.tv_sec < 0)
+ return ETIMEDOUT;
+
+ /* Wait until thread terminates. */
+ if (lll_futex_timed_wait (tidp, tid, &rt) == -ETIMEDOUT)
+ return ETIMEDOUT;
+ }
+
+ return 0;
+}
+
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pt-vfork.S b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pt-vfork.S
index 55229c9e66..fb01242b53 100644
--- a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pt-vfork.S
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pt-vfork.S
@@ -21,6 +21,7 @@
#include <tcb-offsets.h>
.text
+ .globl __syscall_error
ENTRY(__vfork)
ld [%g7 + PID], %o5
sub %g0, %o5, %o4
@@ -28,15 +29,17 @@ ENTRY(__vfork)
LOADSYSCALL(vfork)
ta 0x10
- bcs,a __syscall_error_handler
- st %o5, [%g7 + PID]
- SYSCALL_ERROR_HANDLER
- sub %o1, 1, %o1
+ bcc 2f
+ mov %o7, %g1
+ st %o5, [%g7 + PID]
+ call __syscall_error
+ mov %g1, %o7
+2: sub %o1, 1, %o1
andcc %o0, %o1, %o0
bne,a 1f
st %o5, [%g7 + PID]
1: retl
nop
+END(__vfork)
-PSEUDO_END (__vfork)
weak_alias (__vfork, vfork)
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pthread_barrier_init.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pthread_barrier_init.c
new file mode 100644
index 0000000000..bbd08d0041
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pthread_barrier_init.c
@@ -0,0 +1,62 @@
+/* Copyright (C) 2002, 2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include "pthreadP.h"
+#include <lowlevellock.h>
+
+struct sparc_pthread_barrier
+{
+ struct pthread_barrier b;
+ unsigned char left_lock;
+ unsigned char pshared;
+};
+
+int
+pthread_barrier_init (barrier, attr, count)
+ pthread_barrier_t *barrier;
+ const pthread_barrierattr_t *attr;
+ unsigned int count;
+{
+ struct sparc_pthread_barrier *ibarrier;
+
+ if (__builtin_expect (count == 0, 0))
+ return EINVAL;
+
+ struct pthread_barrierattr *iattr = (struct pthread_barrierattr *) attr;
+ if (iattr != NULL)
+ {
+ if (iattr->pshared != PTHREAD_PROCESS_PRIVATE
+ && __builtin_expect (iattr->pshared != PTHREAD_PROCESS_SHARED, 0))
+ /* Invalid attribute. */
+ return EINVAL;
+ }
+
+ ibarrier = (struct sparc_pthread_barrier *) barrier;
+
+ /* Initialize the individual fields. */
+ ibarrier->b.lock = LLL_LOCK_INITIALIZER;
+ ibarrier->b.left = count;
+ ibarrier->b.init_count = count;
+ ibarrier->b.curr_event = 0;
+ ibarrier->left_lock = 0;
+ ibarrier->pshared = (iattr && iattr->pshared == PTHREAD_PROCESS_SHARED);
+
+ return 0;
+}
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pthread_barrier_wait.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pthread_barrier_wait.c
new file mode 100644
index 0000000000..4dfd11dcbe
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pthread_barrier_wait.c
@@ -0,0 +1,100 @@
+/* Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <sysdep.h>
+#include <lowlevellock.h>
+#include <pthreadP.h>
+
+struct sparc_pthread_barrier
+{
+ struct pthread_barrier b;
+ unsigned char left_lock;
+ unsigned char pshared;
+};
+
+/* Wait on barrier. */
+int
+pthread_barrier_wait (barrier)
+ pthread_barrier_t *barrier;
+{
+ struct sparc_pthread_barrier *ibarrier
+ = (struct sparc_pthread_barrier *) barrier;
+ int result = 0;
+
+ /* Make sure we are alone. */
+ lll_lock (ibarrier->b.lock);
+
+ /* One more arrival. */
+ --ibarrier->b.left;
+
+ /* Are these all? */
+ if (ibarrier->b.left == 0)
+ {
+ /* Yes. Increment the event counter to avoid invalid wake-ups and
+ tell the current waiters that it is their turn. */
+ ++ibarrier->b.curr_event;
+
+ /* Wake up everybody. */
+ lll_futex_wake (&ibarrier->b.curr_event, INT_MAX);
+
+ /* This is the thread which finished the serialization. */
+ result = PTHREAD_BARRIER_SERIAL_THREAD;
+ }
+ else
+ {
+ /* The number of the event we are waiting for. The barrier's event
+ number must be bumped before we continue. */
+ unsigned int event = ibarrier->b.curr_event;
+
+ /* Before suspending, make the barrier available to others. */
+ lll_unlock (ibarrier->b.lock);
+
+ /* Wait for the event counter of the barrier to change. */
+ do
+ lll_futex_wait (&ibarrier->b.curr_event, event);
+ while (event == ibarrier->b.curr_event);
+ }
+
+ /* Make sure the init_count is stored locally or in a register. */
+ unsigned int init_count = ibarrier->b.init_count;
+
+ /* If this was the last woken thread, unlock. */
+ if (__atomic_is_v9 || ibarrier->pshared == 0)
+ {
+ if (atomic_increment_val (&ibarrier->b.left) == init_count)
+ /* We are done. */
+ lll_unlock (ibarrier->b.lock);
+ }
+ else
+ {
+ unsigned int left;
+ /* Slightly more complicated. On pre-v9 CPUs, atomic_increment_val
+ is only atomic for threads within the same process, not for
+ multiple processes. */
+ __sparc32_atomic_do_lock24 (&ibarrier->left_lock);
+ left = ++ibarrier->b.left;
+ __sparc32_atomic_do_unlock24 (&ibarrier->left_lock);
+ if (left == init_count)
+ /* We are done. */
+ lll_unlock (ibarrier->b.lock);
+ }
+
+ return result;
+}
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_init.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_init.c
new file mode 100644
index 0000000000..dffd8c7efa
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_init.c
@@ -0,0 +1,63 @@
+/* Copyright (C) 2002, 2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <semaphore.h>
+#include <lowlevellock.h>
+#include <shlib-compat.h>
+#include "semaphoreP.h"
+
+struct sparc_sem
+{
+ struct sem s;
+ unsigned char lock;
+};
+
+
+int
+__new_sem_init (sem, pshared, value)
+ sem_t *sem;
+ int pshared;
+ unsigned int value;
+{
+ /* Parameter sanity check. */
+ if (__builtin_expect (value > SEM_VALUE_MAX, 0))
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ /* Map to the internal type. */
+ struct sparc_sem *isem = (struct sparc_sem *) sem;
+
+ /* Use the value the user provided. */
+ isem->s.count = value;
+
+ isem->lock = 0;
+
+ /* We can completely ignore the PSHARED parameter since inter-process
+ use needs no special preparation. */
+
+ return 0;
+}
+versioned_symbol (libpthread, __new_sem_init, sem_init, GLIBC_2_1);
+#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1)
+strong_alias (__new_sem_init, __old_sem_init)
+compat_symbol (libpthread, __old_sem_init, sem_init, GLIBC_2_0);
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_post.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_post.c
new file mode 100644
index 0000000000..be1cc60b11
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_post.c
@@ -0,0 +1,54 @@
+/* sem_post -- post to a POSIX semaphore. SPARC version.
+ Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <sysdep.h>
+#include <lowlevellock.h>
+#include <internaltypes.h>
+#include <semaphore.h>
+
+#include <shlib-compat.h>
+
+int
+__new_sem_post (sem_t *sem)
+{
+ int *futex = (int *) sem, nr;
+
+ if (__atomic_is_v9)
+ nr = atomic_increment_val (futex);
+ else
+ {
+ __sparc32_atomic_do_lock24 (futex + 1);
+ nr = ++*futex;
+ __sparc32_atomic_do_unlock24 (futex + 1);
+ }
+ int err = lll_futex_wake (futex, nr);
+ if (__builtin_expect (err, 0) < 0)
+ {
+ __set_errno (-err);
+ return -1;
+ }
+ return 0;
+}
+versioned_symbol (libpthread, __new_sem_post, sem_post, GLIBC_2_1);
+#if SHLIB_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_1)
+strong_alias (__new_sem_post, __old_sem_post)
+compat_symbol (libpthread, __old_sem_post, sem_post, GLIBC_2_0);
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_timedwait.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_timedwait.c
new file mode 100644
index 0000000000..efcc9e9aa8
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_timedwait.c
@@ -0,0 +1,117 @@
+/* sem_timedwait -- wait on a semaphore. SPARC version.
+ Copyright (C) 2003, 2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <sysdep.h>
+#include <lowlevellock.h>
+#include <internaltypes.h>
+#include <semaphore.h>
+
+#include <pthreadP.h>
+#include <shlib-compat.h>
+
+
+int
+sem_timedwait (sem_t *sem, const struct timespec *abstime)
+{
+ /* First check for cancellation. */
+ CANCELLATION_P (THREAD_SELF);
+
+ int *futex = (int *) sem;
+ int val;
+ int err;
+
+ if (*futex > 0)
+ {
+ if (__atomic_is_v9)
+ val = atomic_decrement_if_positive (futex);
+ else
+ {
+ __sparc32_atomic_do_lock24 (futex + 1);
+ val = *futex;
+ if (val > 0)
+ *futex = val - 1;
+ __sparc32_atomic_do_unlock24 (futex + 1);
+ }
+ if (val > 0)
+ return 0;
+ }
+
+ err = -EINVAL;
+ if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000)
+ goto error_return;
+
+ do
+ {
+ struct timeval tv;
+ struct timespec rt;
+ int sec, nsec;
+
+ /* Get the current time. */
+ __gettimeofday (&tv, NULL);
+
+ /* Compute relative timeout. */
+ sec = abstime->tv_sec - tv.tv_sec;
+ nsec = abstime->tv_nsec - tv.tv_usec * 1000;
+ if (nsec < 0)
+ {
+ nsec += 1000000000;
+ --sec;
+ }
+
+ /* Already timed out? */
+ err = -ETIMEDOUT;
+ if (sec < 0)
+ goto error_return;
+
+ /* Do wait. */
+ rt.tv_sec = sec;
+ rt.tv_nsec = nsec;
+
+ /* Enable asynchronous cancellation. Required by the standard. */
+ int oldtype = __pthread_enable_asynccancel ();
+
+ err = lll_futex_timed_wait (futex, 0, &rt);
+
+ /* Disable asynchronous cancellation. */
+ __pthread_disable_asynccancel (oldtype);
+
+ if (err != 0 && err != -EWOULDBLOCK)
+ goto error_return;
+
+ if (__atomic_is_v9)
+ val = atomic_decrement_if_positive (futex);
+ else
+ {
+ __sparc32_atomic_do_lock24 (futex + 1);
+ val = *futex;
+ if (val > 0)
+ *futex = val - 1;
+ __sparc32_atomic_do_unlock24 (futex + 1);
+ }
+ }
+ while (val <= 0);
+
+ return 0;
+
+ error_return:
+ __set_errno (-err);
+ return -1;
+}
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_trywait.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_trywait.c
new file mode 100644
index 0000000000..429494e257
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_trywait.c
@@ -0,0 +1,59 @@
+/* sem_trywait -- wait on a semaphore. SPARC version.
+ Copyright (C) 2003, 2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <sysdep.h>
+#include <lowlevellock.h>
+#include <internaltypes.h>
+#include <semaphore.h>
+
+#include <shlib-compat.h>
+
+
+int
+__new_sem_trywait (sem_t *sem)
+{
+ int *futex = (int *) sem;
+ int val;
+
+ if (*futex > 0)
+ {
+ if (__atomic_is_v9)
+ val = atomic_decrement_if_positive (futex);
+ else
+ {
+ __sparc32_atomic_do_lock24 (futex + 1);
+ val = *futex;
+ if (val > 0)
+ *futex = val - 1;
+ __sparc32_atomic_do_unlock24 (futex + 1);
+ }
+ if (val > 0)
+ return 0;
+ }
+
+ __set_errno (EAGAIN);
+ return -1;
+}
+versioned_symbol (libpthread, __new_sem_trywait, sem_trywait, GLIBC_2_1);
+#if SHLIB_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_1)
+strong_alias (__new_sem_trywait, __old_sem_trywait)
+compat_symbol (libpthread, __old_sem_trywait, sem_trywait, GLIBC_2_0);
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_wait.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_wait.c
new file mode 100644
index 0000000000..d9fcdcd4ee
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sem_wait.c
@@ -0,0 +1,74 @@
+/* sem_wait -- wait on a semaphore. SPARC version.
+ Copyright (C) 2003, 2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <sysdep.h>
+#include <lowlevellock.h>
+#include <internaltypes.h>
+#include <semaphore.h>
+
+#include <pthreadP.h>
+#include <shlib-compat.h>
+
+
+int
+__new_sem_wait (sem_t *sem)
+{
+ /* First check for cancellation. */
+ CANCELLATION_P (THREAD_SELF);
+
+ int *futex = (int *) sem;
+ int err;
+
+ do
+ {
+ int val;
+ if (__atomic_is_v9)
+ val = atomic_decrement_if_positive (futex);
+ else
+ {
+ __sparc32_atomic_do_lock24 (futex + 1);
+ val = *futex;
+ if (val > 0)
+ *futex = val - 1;
+ __sparc32_atomic_do_unlock24 (futex + 1);
+ }
+ if (val > 0)
+ return 0;
+
+ /* Enable asynchronous cancellation. Required by the standard. */
+ int oldtype = __pthread_enable_asynccancel ();
+
+ err = lll_futex_wait (futex, 0);
+
+ /* Disable asynchronous cancellation. */
+ __pthread_disable_asynccancel (oldtype);
+ }
+ while (err == 0 || err == -EWOULDBLOCK);
+
+ __set_errno (-err);
+ return -1;
+}
+
+versioned_symbol (libpthread, __new_sem_wait, sem_wait, GLIBC_2_1);
+#if SHLIB_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_1)
+strong_alias (__new_sem_wait, __old_sem_wait)
+compat_symbol (libpthread, __old_sem_wait, sem_wait, GLIBC_2_0);
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/pthread_barrier_init.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/pthread_barrier_init.c
new file mode 100644
index 0000000000..b2b842336e
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/pthread_barrier_init.c
@@ -0,0 +1 @@
+#include "../../../../../../../pthread_barrier_init.c"
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/pthread_barrier_wait.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/pthread_barrier_wait.c
new file mode 100644
index 0000000000..7613863bba
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/pthread_barrier_wait.c
@@ -0,0 +1 @@
+#include "../../../../../../pthread/pthread_barrier_wait.c"
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_init.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_init.c
new file mode 100644
index 0000000000..b2ebc4cbb5
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_init.c
@@ -0,0 +1 @@
+#include "../../../../../../../sem_init.c"
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_post.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_post.c
new file mode 100644
index 0000000000..4a6eac88f5
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_post.c
@@ -0,0 +1 @@
+#include "../../../sem_post.c"
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_timedwait.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_timedwait.c
new file mode 100644
index 0000000000..b2526db02c
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_timedwait.c
@@ -0,0 +1 @@
+#include "../../../sem_timedwait.c"
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_trywait.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_trywait.c
new file mode 100644
index 0000000000..aae46f725e
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_trywait.c
@@ -0,0 +1 @@
+#include "../../../sem_trywait.c"
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_wait.c b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_wait.c
new file mode 100644
index 0000000000..31157f636f
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/sem_wait.c
@@ -0,0 +1 @@
+#include "../../../sem_wait.c"
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h
index 5edf4b3772..f0349906b2 100644
--- a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2002.
@@ -26,55 +26,48 @@
#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
# undef PSEUDO
-# define PSEUDO(name, syscall_name, args) \
- .text; \
-ENTRY(name) \
- ld [%g7 + MULTIPLE_THREADS_OFFSET], %g1; \
- cmp %g1, 0; \
- bne 1f; \
-.type __##syscall_name##_nocancel,@function; \
-.globl __##syscall_name##_nocancel; \
-__##syscall_name##_nocancel: \
- mov SYS_ify(syscall_name), %g1; \
- ta 0x10; \
- bcs __syscall_error_handler; \
- nop; \
-.size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel; \
- .subsection 2; \
- cfi_startproc; \
-1: save %sp, -96, %sp; \
- cfi_def_cfa_register (%fp); \
- cfi_window_save; \
- cfi_register (%o7, %i7); \
- CENABLE; \
- nop; \
- mov %o0, %l0; \
- COPY_ARGS_##args \
- mov SYS_ify(syscall_name), %g1; \
- ta 0x10; \
- bcs __syscall_error_handler2; \
- mov %o0, %l1; \
- CDISABLE; \
- mov %l0, %o0; \
- jmpl %i7 + 8, %g0; \
- restore %g0, %l1, %o0; \
- cfi_endproc; \
- .previous; \
- SYSCALL_ERROR_HANDLER \
- SYSCALL_ERROR_HANDLER2
+# define PSEUDO(name, syscall_name, args) \
+ .text; \
+ .globl __syscall_error; \
+ENTRY(name) \
+ ld [%g7 + MULTIPLE_THREADS_OFFSET], %g1;\
+ cmp %g1, 0; \
+ bne 1f; \
+.type __##syscall_name##_nocancel,@function; \
+.globl __##syscall_name##_nocancel; \
+__##syscall_name##_nocancel: \
+ mov SYS_ify(syscall_name), %g1; \
+ ta 0x10; \
+ bcc 8f; \
+ mov %o7, %g1; \
+ call __syscall_error; \
+ mov %g1, %o7; \
+8: jmpl %o7 + 8, %g0; \
+ nop; \
+.size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel;\
+1: save %sp, -96, %sp; \
+ cfi_def_cfa_register(%fp); \
+ cfi_window_save; \
+ cfi_register(%o7, %i7); \
+ CENABLE; \
+ nop; \
+ mov %o0, %l0; \
+ COPY_ARGS_##args \
+ mov SYS_ify(syscall_name), %g1; \
+ ta 0x10; \
+ bcc 1f; \
+ mov %o0, %l1; \
+ CDISABLE; \
+ mov %l0, %o0; \
+ call __syscall_error; \
+ mov %l1, %o0; \
+ b 2f; \
+ mov -1, %l1; \
+1: CDISABLE; \
+ mov %l0, %o0; \
+2: jmpl %i7 + 8, %g0; \
+ restore %g0, %l1, %o0;
-#define SYSCALL_ERROR_HANDLER2 \
-SYSCALL_ERROR_HANDLER_ENTRY(__syscall_error_handler2) \
- .global __errno_location; \
- .type __errno_location,@function; \
- CDISABLE; \
- mov %l0, %o0; \
- call __errno_location; \
- nop; \
- st %l1, [%o0]; \
- jmpl %i7 + 8, %g0; \
- restore %g0, -1, %o0; \
- .previous;
# ifdef IS_IN_libpthread
# define CENABLE call __pthread_enable_asynccancel
@@ -111,3 +104,9 @@ SYSCALL_ERROR_HANDLER_ENTRY(__syscall_error_handler2) \
# define NO_CANCELLATION 1
#endif
+
+#ifndef __ASSEMBLER__
+# define RTLD_SINGLE_THREAD_P \
+ __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
+ header.multiple_threads) == 0, 1)
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S
index 7229608142..a8e4dd5a43 100644
--- a/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S
@@ -21,6 +21,7 @@
#include <tcb-offsets.h>
.text
+ .globl __syscall_error
ENTRY(__vfork)
ld [%g7 + PID], %o5
cmp %o5, 0
@@ -31,16 +32,18 @@ ENTRY(__vfork)
LOADSYSCALL(vfork)
ta 0x10
- bcs,a __syscall_error_handler
- st %o5, [%g7 + PID]
- SYSCALL_ERROR_HANDLER
- sub %o1, 1, %o1
+ bcc 2f
+ mov %o7, %g1
+ st %o5, [%g7 + PID]
+ call __syscall_error
+ mov %g1, %o7
+2: sub %o1, 1, %o1
andcc %o0, %o1, %o0
bne,a 1f
st %o5, [%g7 + PID]
1: retl
nop
+END(__vfork)
-PSEUDO_END (__vfork)
libc_hidden_def (__vfork)
weak_alias (__vfork, vfork)
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S b/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S
new file mode 100644
index 0000000000..675a997e97
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S
@@ -0,0 +1,9 @@
+/* We want an #include_next, but we are the main source file.
+ So, #include ourselves and in that incarnation we can use #include_next. */
+#ifndef INCLUDED_SELF
+# define INCLUDED_SELF
+# include <clone.S>
+#else
+# define RESET_PID
+# include_next <clone.S>
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/pt-vfork.S b/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/pt-vfork.S
index e9018b2e99..8941043c3a 100644
--- a/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/pt-vfork.S
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/pt-vfork.S
@@ -21,6 +21,7 @@
#include <tcb-offsets.h>
.text
+ .globl __syscall_error
ENTRY(__vfork)
ld [%g7 + PID], %o5
sub %g0, %o5, %o4
@@ -28,15 +29,17 @@ ENTRY(__vfork)
LOADSYSCALL(vfork)
ta 0x6d
- bcs,a,pn %xcc, __syscall_error_handler
- st %o5, [%g7 + PID]
- SYSCALL_ERROR_HANDLER
- sub %o1, 1, %o1
+ bcc,pt %xcc, 2f
+ mov %o7, %g1
+ st %o5, [%g7 + PID]
+ call __syscall_error
+ mov %g1, %o7
+2: sub %o1, 1, %o1
andcc %o0, %o1, %o0
bne,a,pt %icc, 1f
st %o5, [%g7 + PID]
1: retl
nop
+END(__vfork)
-PSEUDO_END (__vfork)
weak_alias (__vfork, vfork)
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h
index d8c65aeffd..2c76d01715 100644
--- a/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2002.
@@ -26,49 +26,46 @@
#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
# undef PSEUDO
-# define PSEUDO(name, syscall_name, args) \
- .text; \
-ENTRY(name) \
- ld [%g7 + MULTIPLE_THREADS_OFFSET], %g1; \
- brnz,pn %g1, 1f; \
-.type __##syscall_name##_nocancel,@function; \
-.globl __##syscall_name##_nocancel; \
-__##syscall_name##_nocancel: \
- mov SYS_ify(syscall_name), %g1; \
- ta 0x6d; \
- bcs,pn %xcc, __syscall_error_handler; \
- nop; \
-.size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel; \
- .subsection 2; \
-1: save %sp, -192, %sp; \
- CENABLE; \
- nop; \
- mov %o0, %l0; \
- COPY_ARGS_##args \
- mov SYS_ify(syscall_name), %g1; \
- ta 0x6d; \
- bcs,pn %xcc, __syscall_error_handler2; \
- mov %o0, %l1; \
- CDISABLE; \
- mov %l0, %o0; \
- jmpl %i7 + 8, %g0; \
- restore %g0, %l1, %o0; \
- .previous; \
- SYSCALL_ERROR_HANDLER \
- SYSCALL_ERROR_HANDLER2
-
-#define SYSCALL_ERROR_HANDLER2 \
-SYSCALL_ERROR_HANDLER_ENTRY(__syscall_error_handler2) \
- .global __errno_location; \
- .type __errno_location,@function; \
- CDISABLE; \
- mov %l0, %o0; \
- call __errno_location; \
- nop; \
- st %l1, [%o0]; \
- jmpl %i7 + 8, %g0; \
- restore %g0, -1, %o0; \
- .previous;
+# define PSEUDO(name, syscall_name, args) \
+ .text; \
+ .globl __syscall_error; \
+ENTRY(name) \
+ ld [%g7 + MULTIPLE_THREADS_OFFSET], %g1;\
+ brnz,pn %g1, 1f; \
+.type __##syscall_name##_nocancel,@function; \
+.globl __##syscall_name##_nocancel; \
+__##syscall_name##_nocancel: \
+ mov SYS_ify(syscall_name), %g1; \
+ ta 0x6d; \
+ bcc,pt %xcc, 8f; \
+ mov %o7, %g1; \
+ call __syscall_error; \
+ mov %g1, %o7; \
+8: jmpl %o7 + 8, %g0; \
+ nop; \
+.size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel;\
+1: save %sp, -192, %sp; \
+ cfi_def_cfa_register(%fp); \
+ cfi_window_save; \
+ cfi_register(%o7, %i7); \
+ CENABLE; \
+ nop; \
+ mov %o0, %l0; \
+ COPY_ARGS_##args \
+ mov SYS_ify(syscall_name), %g1; \
+ ta 0x6d; \
+ bcc,pt %xcc, 1f; \
+ mov %o0, %l1; \
+ CDISABLE; \
+ mov %l0, %o0; \
+ call __syscall_error; \
+ mov %l1, %o0; \
+ ba,pt %xcc, 2f; \
+ mov -1, %l1; \
+1: CDISABLE; \
+ mov %l0, %o0; \
+2: jmpl %i7 + 8, %g0; \
+ restore %g0, %l1, %o0;
# ifdef IS_IN_libpthread
# define CENABLE call __pthread_enable_asynccancel
@@ -105,3 +102,9 @@ SYSCALL_ERROR_HANDLER_ENTRY(__syscall_error_handler2) \
# define NO_CANCELLATION 1
#endif
+
+#ifndef __ASSEMBLER__
+# define RTLD_SINGLE_THREAD_P \
+ __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
+ header.multiple_threads) == 0, 1)
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S b/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S
index d6b2455d43..5597574304 100644
--- a/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S
@@ -21,6 +21,7 @@
#include <tcb-offsets.h>
.text
+ .globl __syscall_error
ENTRY(__vfork)
ld [%g7 + PID], %o5
sethi %hi(0x80000000), %o3
@@ -31,16 +32,18 @@ ENTRY(__vfork)
LOADSYSCALL(vfork)
ta 0x6d
- bcs,a,pn %xcc, __syscall_error_handler
- st %o5, [%g7 + PID]
- SYSCALL_ERROR_HANDLER
- sub %o1, 1, %o1
+ bcc,pt %xcc, 2f
+ mov %o7, %g1
+ st %o5, [%g7 + PID]
+ call __syscall_error
+ mov %g1, %o7
+2: sub %o1, 1, %o1
andcc %o0, %o1, %o0
bne,a,pt %icc, 1f
st %o5, [%g7 + PID]
1: retl
nop
+END(__vfork)
-PSEUDO_END (__vfork)
libc_hidden_def (__vfork)
weak_alias (__vfork, vfork)
diff --git a/nptl/sysdeps/unix/sysv/linux/timer_create.c b/nptl/sysdeps/unix/sysv/linux/timer_create.c
index ca6ff6c7ef..5e99513950 100644
--- a/nptl/sysdeps/unix/sysv/linux/timer_create.c
+++ b/nptl/sysdeps/unix/sysv/linux/timer_create.c
@@ -28,6 +28,7 @@
#include <internaltypes.h>
#include <nptl/pthreadP.h>
#include "kernel-posix-timers.h"
+#include "kernel-posix-cpu-timers.h"
#ifdef __NR_timer_create
@@ -58,6 +59,12 @@ timer_create (clock_id, evp, timerid)
if (__no_posix_timers >= 0)
# endif
{
+ clockid_t syscall_clockid = (clock_id == CLOCK_PROCESS_CPUTIME_ID
+ ? MAKE_PROCESS_CPUCLOCK (0, CPUCLOCK_SCHED)
+ : clock_id == CLOCK_THREAD_CPUTIME_ID
+ ? MAKE_THREAD_CPUCLOCK (0, CPUCLOCK_SCHED)
+ : clock_id);
+
/* If the user wants notification via a thread we need to handle
this special. */
if (evp == NULL
@@ -88,7 +95,7 @@ timer_create (clock_id, evp, timerid)
}
kernel_timer_t ktimerid;
- int retval = INLINE_SYSCALL (timer_create, 3, clock_id, evp,
+ int retval = INLINE_SYSCALL (timer_create, 3, syscall_clockid, evp,
&ktimerid);
# ifndef __ASSUME_POSIX_TIMERS
@@ -196,8 +203,8 @@ timer_create (clock_id, evp, timerid)
/* Create the timer. */
INTERNAL_SYSCALL_DECL (err);
int res;
- res = INTERNAL_SYSCALL (timer_create, err, 3, clock_id, &sev,
- &newp->ktimerid);
+ res = INTERNAL_SYSCALL (timer_create, err, 3,
+ syscall_clockid, &sev, &newp->ktimerid);
if (! INTERNAL_SYSCALL_ERROR_P (res, err))
{
*timerid = (timer_t) newp;
diff --git a/nptl/sysdeps/unix/sysv/linux/timer_routines.c b/nptl/sysdeps/unix/sysv/linux/timer_routines.c
index 23c800f98e..a5eb442251 100644
--- a/nptl/sysdeps/unix/sysv/linux/timer_routines.c
+++ b/nptl/sysdeps/unix/sysv/linux/timer_routines.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
@@ -27,6 +27,13 @@
#include "kernel-posix-timers.h"
+struct thread_start_data
+{
+ void (*thrfunc) (sigval_t);
+ sigval_t sival;
+};
+
+
#ifdef __NR_timer_create
/* Helper thread to call the user-provided function. */
static void *
@@ -40,10 +47,16 @@ timer_sigev_thread (void *arg)
INTERNAL_SYSCALL_DECL (err);
INTERNAL_SYSCALL (rt_sigprocmask, err, 4, SIG_SETMASK, &ss, NULL, _NSIG / 8);
- struct timer *tk = (struct timer *) arg;
+ struct thread_start_data *td = (struct thread_start_data *) arg;
+
+ void (*thrfunc) (sigval_t) = td->thrfunc;
+ sigval_t sival = td->sival;
+
+ /* The TD object was allocated in timer_helper_thread. */
+ free (td);
/* Call the user-provided function. */
- tk->thrfunc (tk->sival);
+ thrfunc (sival);
return NULL;
}
@@ -53,10 +66,11 @@ timer_sigev_thread (void *arg)
static void *
timer_helper_thread (void *arg)
{
- /* Wait for the SIGTIMER signal and none else. */
+ /* Wait for the SIGTIMER signal, allowing the setXid signal, and
+ none else. */
sigset_t ss;
sigemptyset (&ss);
- sigaddset (&ss, SIGTIMER);
+ __sigaddset (&ss, SIGTIMER);
/* Endless loop of waiting for signals. The loop is only ended when
the thread is canceled. */
@@ -81,10 +95,19 @@ timer_helper_thread (void *arg)
if (si.si_code == SI_TIMER)
{
struct timer *tk = (struct timer *) si.si_ptr;
-
- /* That the signal we are waiting for. */
- pthread_t th;
- (void) pthread_create (&th, &tk->attr, timer_sigev_thread, tk);
+ struct thread_start_data *td = malloc (sizeof (*td));
+
+ /* There is not much we can do if the allocation fails. */
+ if (td != NULL)
+ {
+ /* That is the signal we are waiting for. */
+ td->thrfunc = tk->thrfunc;
+ td->sival = tk->sival;
+
+ pthread_t th;
+ (void) pthread_create (&th, &tk->attr, timer_sigev_thread,
+ td);
+ }
}
else if (si.si_code == SI_TKILL)
/* The thread is canceled. */
@@ -121,10 +144,11 @@ __start_helper_thread (void)
(void) pthread_attr_init (&attr);
(void) pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN);
- /* Block all signals in the helper thread. To do this thoroughly we
- temporarily have to block all signals here. The helper can lose
- wakeups if SIGCANCEL is not blocked throughout, but sigfillset omits
- it. So, we add it back explicitly here. */
+ /* Block all signals in the helper thread but SIGSETXID. To do this
+ thoroughly we temporarily have to block all signals here. The
+ helper can lose wakeups if SIGCANCEL is not blocked throughout,
+ but sigfillset omits it SIGSETXID. So, we add SIGCANCEL back
+ explicitly here. */
sigset_t ss;
sigset_t oss;
sigfillset (&ss);
diff --git a/nptl/sysdeps/unix/sysv/linux/unregister-atfork.c b/nptl/sysdeps/unix/sysv/linux/unregister-atfork.c
index 72c8d615eb..964f5b7094 100644
--- a/nptl/sysdeps/unix/sysv/linux/unregister-atfork.c
+++ b/nptl/sysdeps/unix/sysv/linux/unregister-atfork.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -19,7 +19,7 @@
#include <errno.h>
#include <stdlib.h>
-#include "fork.h"
+#include <fork.h>
#include <atomic.h>
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/bits/pthreadtypes.h b/nptl/sysdeps/unix/sysv/linux/x86_64/bits/pthreadtypes.h
index 92fb08c951..693387a266 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/bits/pthreadtypes.h
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/bits/pthreadtypes.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -57,11 +57,25 @@ typedef union
} pthread_attr_t;
+#if __WORDSIZE == 64
+typedef struct __pthread_internal_list
+{
+ struct __pthread_internal_list *__prev;
+ struct __pthread_internal_list *__next;
+} __pthread_list_t;
+#else
+typedef struct __pthread_internal_slist
+{
+ struct __pthread_internal_slist *__next;
+} __pthread_slist_t;
+#endif
+
+
/* Data structures for mutex handling. The structure of the attribute
type is not exposed on purpose. */
typedef union
{
- struct
+ struct __pthread_mutex_s
{
int __lock;
unsigned int __count;
@@ -72,10 +86,18 @@ typedef union
/* KIND must stay at this position in the structure to maintain
binary compatibility. */
int __kind;
-#if __WORDSIZE != 64
+#if __WORDSIZE == 64
+ int __spins;
+ __pthread_list_t __list;
+# define __PTHREAD_MUTEX_HAVE_PREV 1
+#else
unsigned int __nusers;
+ __extension__ union
+ {
+ int __spins;
+ __pthread_slist_t __list;
+ };
#endif
- int __spins;
} __data;
char __size[__SIZEOF_PTHREAD_MUTEX_T];
long int __align;
@@ -192,4 +214,9 @@ typedef union
#endif
+#if __WORDSIZE == 32
+/* Extra attributes for the cleanup functions. */
+# define __cleanup_fct_attribute __attribute__ ((__regparm__ (1)))
+#endif
+
#endif /* bits/pthreadtypes.h */
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/clone.S b/nptl/sysdeps/unix/sysv/linux/x86_64/clone.S
index dfa6adb3e2..675a997e97 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/clone.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/clone.S
@@ -1,2 +1,9 @@
-#define RESET_PID
-#include <sysdeps/unix/sysv/linux/x86_64/clone.S>
+/* We want an #include_next, but we are the main source file.
+ So, #include ourselves and in that incarnation we can use #include_next. */
+#ifndef INCLUDED_SELF
+# define INCLUDED_SELF
+# include <clone.S>
+#else
+# define RESET_PID
+# include_next <clone.S>
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S
index d5c9345558..394dec8d82 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2006, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -43,17 +43,25 @@
.hidden __lll_mutex_lock_wait
.align 16
__lll_mutex_lock_wait:
+ cfi_startproc
pushq %r10
+ cfi_adjust_cfa_offset(8)
pushq %rdx
-
+ cfi_adjust_cfa_offset(8)
+ cfi_offset(%r10, -16)
+ cfi_offset(%rdx, -24)
xorq %r10, %r10 /* No timeout. */
movl $2, %edx
- movq %r10, %rsi /* movq $FUTEX_WAIT, %rsi */
+#if FUTEX_WAIT == 0
+ xorl %esi, %esi
+#else
+ movl $FUTEX_WAIT, %esi
+#endif
cmpl %edx, %eax /* NB: %edx == 2 */
jne 2f
-1: movq $SYS_futex, %rax
+1: movl $SYS_futex, %eax
syscall
2: movl %edx, %eax
@@ -63,8 +71,13 @@ __lll_mutex_lock_wait:
jnz 1b
popq %rdx
+ cfi_adjust_cfa_offset(-8)
+ cfi_restore(%rdx)
popq %r10
+ cfi_adjust_cfa_offset(-8)
+ cfi_restore(%r10)
retq
+ cfi_endproc
.size __lll_mutex_lock_wait,.-__lll_mutex_lock_wait
@@ -74,18 +87,30 @@ __lll_mutex_lock_wait:
.hidden __lll_mutex_timedlock_wait
.align 16
__lll_mutex_timedlock_wait:
+ cfi_startproc
/* Check for a valid timeout value. */
cmpq $1000000000, 8(%rdx)
jae 3f
pushq %r8
+ cfi_adjust_cfa_offset(8)
pushq %r9
+ cfi_adjust_cfa_offset(8)
pushq %r12
+ cfi_adjust_cfa_offset(8)
pushq %r13
+ cfi_adjust_cfa_offset(8)
pushq %r14
+ cfi_adjust_cfa_offset(8)
+ cfi_offset(%r8, -16)
+ cfi_offset(%r9, -24)
+ cfi_offset(%r12, -32)
+ cfi_offset(%r13, -40)
+ cfi_offset(%r14, -48)
/* Stack frame for the timespec and timeval structs. */
subq $16, %rsp
+ cfi_adjust_cfa_offset(16)
movq %rdi, %r12
movq %rdx, %r13
@@ -93,7 +118,7 @@ __lll_mutex_timedlock_wait:
1:
/* Get current time. */
movq %rsp, %rdi
- xorq %rsi, %rsi
+ xorl %esi, %esi
movq $VSYSCALL_ADDR_vgettimeofday, %rax
/* This is a regular function call, all caller-save registers
might be clobbered. */
@@ -101,7 +126,7 @@ __lll_mutex_timedlock_wait:
/* Compute relative timeout. */
movq 8(%rsp), %rax
- movq $1000, %rdi
+ movl $1000, %edi
mul %rdi /* Milli seconds to nano seconds. */
movq (%r13), %rdi
movq 8(%r13), %rsi
@@ -126,26 +151,50 @@ __lll_mutex_timedlock_wait:
je 8f
movq %rsp, %r10
- xorq %rsi, %rsi /* movq $FUTEX_WAIT, %rsi */
+#if FUTEX_WAIT == 0
+ xorl %esi, %esi
+#else
+ movl $FUTEX_WAIT, %esi
+#endif
movq %r12, %rdi
- movq $SYS_futex, %rax
+ movl $SYS_futex, %eax
syscall
movq %rax, %rcx
8: /* NB: %edx == 2 */
xorl %eax, %eax
LOCK
- cmpxchgl %edx, (%rdi)
+ cmpxchgl %edx, (%r12)
jnz 7f
6: addq $16, %rsp
+ cfi_adjust_cfa_offset(-16)
popq %r14
+ cfi_adjust_cfa_offset(-8)
+ cfi_restore(%r14)
popq %r13
+ cfi_adjust_cfa_offset(-8)
+ cfi_restore(%r13)
popq %r12
+ cfi_adjust_cfa_offset(-8)
+ cfi_restore(%r12)
popq %r9
+ cfi_adjust_cfa_offset(-8)
+ cfi_restore(%r9)
popq %r8
+ cfi_adjust_cfa_offset(-8)
+ cfi_restore(%r8)
retq
+3: movl $EINVAL, %eax
+ retq
+
+ cfi_adjust_cfa_offset(56)
+ cfi_offset(%r8, -16)
+ cfi_offset(%r9, -24)
+ cfi_offset(%r12, -32)
+ cfi_offset(%r13, -40)
+ cfi_offset(%r14, -48)
/* Check whether the time expired. */
7: cmpq $-ETIMEDOUT, %rcx
je 5f
@@ -157,11 +206,9 @@ __lll_mutex_timedlock_wait:
jz 6b
jmp 1b
-3: movl $EINVAL, %eax
- retq
-
5: movl $ETIMEDOUT, %eax
jmp 6b
+ cfi_endproc
.size __lll_mutex_timedlock_wait,.-__lll_mutex_timedlock_wait
#endif
@@ -191,18 +238,28 @@ lll_unlock_wake_cb:
.hidden __lll_mutex_unlock_wake
.align 16
__lll_mutex_unlock_wake:
+ cfi_startproc
pushq %rsi
+ cfi_adjust_cfa_offset(8)
pushq %rdx
+ cfi_adjust_cfa_offset(8)
+ cfi_offset(%rsi, -16)
+ cfi_offset(%rdx, -24)
movl $0, (%rdi)
- movq $FUTEX_WAKE, %rsi
+ movl $FUTEX_WAKE, %esi
movl $1, %edx /* Wake one thread. */
- movq $SYS_futex, %rax
+ movl $SYS_futex, %eax
syscall
popq %rdx
+ cfi_adjust_cfa_offset(-8)
+ cfi_restore(%rdx)
popq %rsi
+ cfi_adjust_cfa_offset(-8)
+ cfi_restore(%rsi)
retq
+ cfi_endproc
.size __lll_mutex_unlock_wake,.-__lll_mutex_unlock_wake
@@ -222,13 +279,13 @@ __lll_timedwait_tid:
/* Get current time. */
2: movq %rsp, %rdi
- xorq %rsi, %rsi
+ xorl %esi, %esi
movq $VSYSCALL_ADDR_vgettimeofday, %rax
callq *%rax
/* Compute relative timeout. */
movq 8(%rsp), %rax
- movq $1000, %rdi
+ movl $1000, %edi
mul %rdi /* Milli seconds to nano seconds. */
movq (%r13), %rdi
movq 8(%r13), %rsi
@@ -248,9 +305,13 @@ __lll_timedwait_tid:
jz 4f
movq %rsp, %r10
- xorq %rsi, %rsi /* movq $FUTEX_WAIT, %rsi */
+#if FUTEX_WAIT == 0
+ xorl %esi, %esi
+#else
+ movl $FUTEX_WAIT, %esi
+#endif
movq %r12, %rdi
- movq $SYS_futex, %rax
+ movl $SYS_futex, %eax
syscall
cmpl $0, (%rdi)
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
index 40c2518af6..97085bf018 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -35,6 +35,9 @@
#define SYS_futex 202
#define FUTEX_WAIT 0
#define FUTEX_WAKE 1
+#define FUTEX_LOCK_PI 6
+#define FUTEX_UNLOCK_PI 7
+#define FUTEX_TRYLOCK_PI 8
/* Initializer for compatibility lock. */
@@ -46,17 +49,130 @@
#define BUSY_WAIT_NOP asm ("rep; nop")
+#define LLL_STUB_UNWIND_INFO_START \
+ ".section .eh_frame,\"a\",@progbits\n" \
+"7:\t" ".long 9f-8f # Length of Common Information Entry\n" \
+"8:\t" ".long 0x0 # CIE Identifier Tag\n\t" \
+ ".byte 0x1 # CIE Version\n\t" \
+ ".ascii \"zR\\0\" # CIE Augmentation\n\t" \
+ ".uleb128 0x1 # CIE Code Alignment Factor\n\t" \
+ ".sleb128 -8 # CIE Data Alignment Factor\n\t" \
+ ".byte 0x10 # CIE RA Column\n\t" \
+ ".uleb128 0x1 # Augmentation size\n\t" \
+ ".byte 0x1b # FDE Encoding (pcrel sdata4)\n\t" \
+ ".byte 0x12 # DW_CFA_def_cfa_sf\n\t" \
+ ".uleb128 0x7\n\t" \
+ ".sleb128 16\n\t" \
+ ".align 8\n" \
+"9:\t" ".long 23f-10f # FDE Length\n" \
+"10:\t" ".long 10b-7b # FDE CIE offset\n\t" \
+ ".long 1b-. # FDE initial location\n\t" \
+ ".long 6b-1b # FDE address range\n\t" \
+ ".uleb128 0x0 # Augmentation size\n\t" \
+ ".byte 0x16 # DW_CFA_val_expression\n\t" \
+ ".uleb128 0x10\n\t" \
+ ".uleb128 12f-11f\n" \
+"11:\t" ".byte 0x80 # DW_OP_breg16\n\t" \
+ ".sleb128 4b-1b\n"
+#define LLL_STUB_UNWIND_INFO_END \
+ ".byte 0x16 # DW_CFA_val_expression\n\t" \
+ ".uleb128 0x10\n\t" \
+ ".uleb128 14f-13f\n" \
+"13:\t" ".byte 0x80 # DW_OP_breg16\n\t" \
+ ".sleb128 4b-2b\n" \
+"14:\t" ".byte 0x40 + (3b-2b) # DW_CFA_advance_loc\n\t" \
+ ".byte 0x0e # DW_CFA_def_cfa_offset\n\t" \
+ ".uleb128 0\n\t" \
+ ".byte 0x16 # DW_CFA_val_expression\n\t" \
+ ".uleb128 0x10\n\t" \
+ ".uleb128 16f-15f\n" \
+"15:\t" ".byte 0x80 # DW_OP_breg16\n\t" \
+ ".sleb128 4b-3b\n" \
+"16:\t" ".byte 0x40 + (4b-3b-1) # DW_CFA_advance_loc\n\t" \
+ ".byte 0x0e # DW_CFA_def_cfa_offset\n\t" \
+ ".uleb128 128\n\t" \
+ ".byte 0x16 # DW_CFA_val_expression\n\t" \
+ ".uleb128 0x10\n\t" \
+ ".uleb128 20f-17f\n" \
+"17:\t" ".byte 0x80 # DW_OP_breg16\n\t" \
+ ".sleb128 19f-18f\n\t" \
+ ".byte 0x0d # DW_OP_const4s\n" \
+"18:\t" ".4byte 4b-.\n\t" \
+ ".byte 0x1c # DW_OP_minus\n\t" \
+ ".byte 0x0d # DW_OP_const4s\n" \
+"19:\t" ".4byte 24f-.\n\t" \
+ ".byte 0x22 # DW_OP_plus\n" \
+"20:\t" ".byte 0x40 + (5b-4b+1) # DW_CFA_advance_loc\n\t" \
+ ".byte 0x13 # DW_CFA_def_cfa_offset_sf\n\t" \
+ ".sleb128 16\n\t" \
+ ".byte 0x16 # DW_CFA_val_expression\n\t" \
+ ".uleb128 0x10\n\t" \
+ ".uleb128 22f-21f\n" \
+"21:\t" ".byte 0x80 # DW_OP_breg16\n\t" \
+ ".sleb128 4b-5b\n" \
+"22:\t" ".align 8\n" \
+"23:\t" ".previous\n"
+
+/* Unwind info for
+ 1: leaq ..., %rdi
+ 2: subq $128, %rsp
+ 3: callq ...
+ 4: addq $128, %rsp
+ 5: jmp 24f
+ 6:
+ snippet. */
+#define LLL_STUB_UNWIND_INFO_5 \
+LLL_STUB_UNWIND_INFO_START \
+"12:\t" ".byte 0x40 + (2b-1b) # DW_CFA_advance_loc\n\t" \
+LLL_STUB_UNWIND_INFO_END
+
+/* Unwind info for
+ 1: leaq ..., %rdi
+ 0: movq ..., %rdx
+ 2: subq $128, %rsp
+ 3: callq ...
+ 4: addq $128, %rsp
+ 5: jmp 24f
+ 6:
+ snippet. */
+#define LLL_STUB_UNWIND_INFO_6 \
+LLL_STUB_UNWIND_INFO_START \
+"12:\t" ".byte 0x40 + (0b-1b) # DW_CFA_advance_loc\n\t" \
+ ".byte 0x16 # DW_CFA_val_expression\n\t" \
+ ".uleb128 0x10\n\t" \
+ ".uleb128 26f-25f\n" \
+"25:\t" ".byte 0x80 # DW_OP_breg16\n\t" \
+ ".sleb128 4b-0b\n" \
+"26:\t" ".byte 0x40 + (2b-0b) # DW_CFA_advance_loc\n\t" \
+LLL_STUB_UNWIND_INFO_END
+
+
#define lll_futex_wait(futex, val) \
- do { \
- int __ignore; \
+ ({ \
+ int __status; \
register __typeof (val) _val asm ("edx") = (val); \
__asm __volatile ("xorq %%r10, %%r10\n\t" \
"syscall" \
- : "=a" (__ignore) \
+ : "=a" (__status) \
: "0" (SYS_futex), "D" (futex), "S" (FUTEX_WAIT), \
"d" (_val) \
: "memory", "cc", "r10", "r11", "cx"); \
- } while (0)
+ __status; \
+ })
+
+
+#define lll_futex_timed_wait(futex, val, timeout) \
+ ({ \
+ register const struct timespec *__to __asm__ ("r10") = timeout; \
+ int __status; \
+ register __typeof (val) _val asm ("edx") = (val); \
+ __asm __volatile ("syscall" \
+ : "=a" (__status) \
+ : "0" (SYS_futex), "D" (futex), "S" (FUTEX_WAIT), \
+ "d" (_val), "r" (__to) \
+ : "memory", "cc", "r11", "cx"); \
+ __status; \
+ })
#define lll_futex_wake(futex, nr) \
@@ -96,6 +212,16 @@ extern int __lll_mutex_unlock_wait (int *__futex) attribute_hidden;
ret; })
+#define lll_robust_mutex_trylock(futex, id) \
+ ({ int ret; \
+ __asm __volatile (LOCK_INSTR "cmpxchgl %2, %1" \
+ : "=a" (ret), "=m" (futex) \
+ : "r" (id), "m" (futex), \
+ "0" (LLL_MUTEX_LOCK_INITIALIZER) \
+ : "memory"); \
+ ret; })
+
+
#define lll_mutex_cond_trylock(futex) \
({ int ret; \
__asm __volatile (LOCK_INSTR "cmpxchgl %2, %1" \
@@ -110,51 +236,109 @@ extern int __lll_mutex_unlock_wait (int *__futex) attribute_hidden;
(void) ({ int ignore1, ignore2, ignore3; \
__asm __volatile (LOCK_INSTR "cmpxchgl %0, %2\n\t" \
"jnz 1f\n\t" \
- ".subsection 1\n" \
- "1:\tleaq %2, %%rdi\n\t" \
- "subq $128, %%rsp\n\t" \
- "callq __lll_mutex_lock_wait\n\t" \
- "addq $128, %%rsp\n\t" \
- "jmp 2f\n\t" \
+ ".subsection 1\n\t" \
+ ".type _L_mutex_lock_%=, @function\n" \
+ "_L_mutex_lock_%=:\n" \
+ "1:\tleaq %2, %%rdi\n" \
+ "2:\tsubq $128, %%rsp\n" \
+ "3:\tcallq __lll_mutex_lock_wait\n" \
+ "4:\taddq $128, %%rsp\n" \
+ "5:\tjmp 24f\n" \
+ "6:\t.size _L_mutex_lock_%=, 6b-1b\n\t" \
".previous\n" \
- "2:" \
+ LLL_STUB_UNWIND_INFO_5 \
+ "24:" \
: "=S" (ignore1), "=&D" (ignore2), "=m" (futex),\
"=a" (ignore3) \
: "0" (1), "m" (futex), "3" (0) \
: "cx", "r11", "cc", "memory"); })
+#define lll_robust_mutex_lock(futex, id) \
+ ({ int result, ignore1, ignore2; \
+ __asm __volatile (LOCK_INSTR "cmpxchgl %0, %2\n\t" \
+ "jnz 1f\n\t" \
+ ".subsection 1\n\t" \
+ ".type _L_robust_mutex_lock_%=, @function\n" \
+ "_L_robust_mutex_lock_%=:\n" \
+ "1:\tleaq %2, %%rdi\n" \
+ "2:\tsubq $128, %%rsp\n" \
+ "3:\tcallq __lll_robust_mutex_lock_wait\n" \
+ "4:\taddq $128, %%rsp\n" \
+ "5:\tjmp 24f\n" \
+ "6:\t.size _L_robust_mutex_lock_%=, 6b-1b\n\t" \
+ ".previous\n" \
+ LLL_STUB_UNWIND_INFO_5 \
+ "24:" \
+ : "=S" (ignore1), "=&D" (ignore2), "=m" (futex), \
+ "=a" (result) \
+ : "0" (id), "m" (futex), "3" (0) \
+ : "cx", "r11", "cc", "memory"); \
+ result; })
+
+
#define lll_mutex_cond_lock(futex) \
(void) ({ int ignore1, ignore2, ignore3; \
__asm __volatile (LOCK_INSTR "cmpxchgl %0, %2\n\t" \
"jnz 1f\n\t" \
- ".subsection 1\n" \
- "1:\tleaq %2, %%rdi\n\t" \
- "subq $128, %%rsp\n\t" \
- "callq __lll_mutex_lock_wait\n\t" \
- "addq $128, %%rsp\n\t" \
- "jmp 2f\n\t" \
+ ".subsection 1\n\t" \
+ ".type _L_mutex_cond_lock_%=, @function\n" \
+ "_L_mutex_cond_lock_%=:\n" \
+ "1:\tleaq %2, %%rdi\n" \
+ "2:\tsubq $128, %%rsp\n" \
+ "3:\tcallq __lll_mutex_lock_wait\n" \
+ "4:\taddq $128, %%rsp\n" \
+ "5:\tjmp 24f\n" \
+ "6:\t.size _L_mutex_cond_lock_%=, 6b-1b\n\t" \
".previous\n" \
- "2:" \
+ LLL_STUB_UNWIND_INFO_5 \
+ "24:" \
: "=S" (ignore1), "=&D" (ignore2), "=m" (futex),\
"=a" (ignore3) \
: "0" (2), "m" (futex), "3" (0) \
: "cx", "r11", "cc", "memory"); })
+#define lll_robust_mutex_cond_lock(futex, id) \
+ ({ int result, ignore1, ignore2; \
+ __asm __volatile (LOCK_INSTR "cmpxchgl %0, %2\n\t" \
+ "jnz 1f\n\t" \
+ ".subsection 1\n\t" \
+ ".type _L_robust_mutex_cond_lock_%=, @function\n" \
+ "_L_robust_mutex_cond_lock_%=:\n" \
+ "1:\tleaq %2, %%rdi\n" \
+ "2:\tsubq $128, %%rsp\n" \
+ "3:\tcallq __lll_robust_mutex_lock_wait\n" \
+ "4:\taddq $128, %%rsp\n" \
+ "5:\tjmp 24f\n" \
+ "6:\t.size _L_robust_mutex_cond_lock_%=, 6b-1b\n\t" \
+ ".previous\n" \
+ LLL_STUB_UNWIND_INFO_5 \
+ "24:" \
+ : "=S" (ignore1), "=&D" (ignore2), "=m" (futex), \
+ "=a" (result) \
+ : "0" (id | FUTEX_WAITERS), "m" (futex), "3" (0) \
+ : "cx", "r11", "cc", "memory"); \
+ result; })
+
+
#define lll_mutex_timedlock(futex, timeout) \
({ int result, ignore1, ignore2, ignore3; \
__asm __volatile (LOCK_INSTR "cmpxchgl %2, %4\n\t" \
"jnz 1f\n\t" \
- ".subsection 1\n" \
- "1:\tleaq %4, %%rdi\n\t" \
- "movq %8, %%rdx\n\t" \
- "subq $128, %%rsp\n\t" \
- "callq __lll_mutex_timedlock_wait\n\t" \
- "addq $128, %%rsp\n\t" \
- "jmp 2f\n\t" \
+ ".subsection 1\n\t" \
+ ".type _L_mutex_timedlock_%=, @function\n" \
+ "_L_mutex_timedlock_%=:\n" \
+ "1:\tleaq %4, %%rdi\n" \
+ "0:\tmovq %8, %%rdx\n" \
+ "2:\tsubq $128, %%rsp\n" \
+ "3:\tcallq __lll_mutex_timedlock_wait\n" \
+ "4:\taddq $128, %%rsp\n" \
+ "5:\tjmp 24f\n" \
+ "6:\t.size _L_mutex_timedlock_%=, 6b-1b\n\t" \
".previous\n" \
- "2:" \
+ LLL_STUB_UNWIND_INFO_6 \
+ "24:" \
: "=a" (result), "=&D" (ignore1), "=S" (ignore2), \
"=&d" (ignore3), "=m" (futex) \
: "0" (0), "2" (1), "m" (futex), "m" (timeout) \
@@ -162,23 +346,83 @@ extern int __lll_mutex_unlock_wait (int *__futex) attribute_hidden;
result; })
+#define lll_robust_mutex_timedlock(futex, timeout, id) \
+ ({ int result, ignore1, ignore2, ignore3; \
+ __asm __volatile (LOCK_INSTR "cmpxchgl %2, %4\n\t" \
+ "jnz 1f\n\t" \
+ ".subsection 1\n\t" \
+ ".type _L_robust_mutex_timedlock_%=, @function\n" \
+ "_L_robust_mutex_timedlock_%=:\n" \
+ "1:\tleaq %4, %%rdi\n" \
+ "0:\tmovq %8, %%rdx\n" \
+ "2:\tsubq $128, %%rsp\n" \
+ "3:\tcallq __lll_robust_mutex_timedlock_wait\n" \
+ "4:\taddq $128, %%rsp\n" \
+ "5:\tjmp 24f\n" \
+ "6:\t.size _L_robust_mutex_timedlock_%=, 6b-1b\n\t" \
+ ".previous\n" \
+ LLL_STUB_UNWIND_INFO_6 \
+ "24:" \
+ : "=a" (result), "=&D" (ignore1), "=S" (ignore2), \
+ "=&d" (ignore3), "=m" (futex) \
+ : "0" (0), "2" (id), "m" (futex), "m" (timeout) \
+ : "memory", "cx", "cc", "r10", "r11"); \
+ result; })
+
+
#define lll_mutex_unlock(futex) \
(void) ({ int ignore; \
__asm __volatile (LOCK_INSTR "decl %0\n\t" \
"jne 1f\n\t" \
- ".subsection 1\n" \
- "1:\tleaq %0, %%rdi\n\t" \
- "subq $128, %%rsp\n\t" \
- "callq __lll_mutex_unlock_wake\n\t" \
- "addq $128, %%rsp\n\t" \
- "jmp 2f\n\t" \
+ ".subsection 1\n\t" \
+ ".type _L_mutex_unlock_%=, @function\n" \
+ "_L_mutex_unlock_%=:\n" \
+ "1:\tleaq %0, %%rdi\n" \
+ "2:\tsubq $128, %%rsp\n" \
+ "3:\tcallq __lll_mutex_unlock_wake\n" \
+ "4:\taddq $128, %%rsp\n" \
+ "5:\tjmp 24f\n" \
+ "6:\t.size _L_mutex_unlock_%=, 6b-1b\n\t" \
".previous\n" \
- "2:" \
+ LLL_STUB_UNWIND_INFO_5 \
+ "24:" \
: "=m" (futex), "=&D" (ignore) \
: "m" (futex) \
: "ax", "cx", "r11", "cc", "memory"); })
+#define lll_robust_mutex_unlock(futex) \
+ (void) ({ int ignore; \
+ __asm __volatile (LOCK_INSTR "andl %2, %0\n\t" \
+ "jne 1f\n\t" \
+ ".subsection 1\n\t" \
+ ".type _L_robust_mutex_unlock_%=, @function\n" \
+ "_L_robust_mutex_unlock_%=:\n" \
+ "1:\tleaq %0, %%rdi\n" \
+ "2:\tsubq $128, %%rsp\n" \
+ "3:\tcallq __lll_mutex_unlock_wake\n" \
+ "4:\taddq $128, %%rsp\n" \
+ "5:\tjmp 24f\n" \
+ "6:\t.size _L_robust_mutex_unlock_%=, 6b-1b\n\t"\
+ ".previous\n" \
+ LLL_STUB_UNWIND_INFO_5 \
+ "24:" \
+ : "=m" (futex), "=&D" (ignore) \
+ : "i" (FUTEX_WAITERS), "m" (futex) \
+ : "ax", "cx", "r11", "cc", "memory"); })
+
+
+#define lll_robust_mutex_dead(futex) \
+ (void) ({ int ignore; \
+ __asm __volatile (LOCK_INSTR "orl %3, (%2)\n\t" \
+ "syscall" \
+ : "=m" (futex), "=a" (ignore) \
+ : "D" (&(futex)), "i" (FUTEX_OWNER_DIED), \
+ "S" (FUTEX_WAKE), "1" (__NR_futex), \
+ "d" (1) \
+ : "cx", "r11", "cc", "memory"); })
+
+
#define lll_mutex_islocked(futex) \
(futex != LLL_MUTEX_LOCK_INITIALIZER)
@@ -237,17 +481,21 @@ extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
"je 0f\n\t" \
"lock; cmpxchgl %0, %2\n\t" \
"jnz 1f\n\t" \
- "jmp 2f\n" \
+ "jmp 24f\n" \
"0:\tcmpxchgl %0, %2\n\t" \
"jnz 1f\n\t" \
- ".subsection 1\n" \
- "1:\tleaq %2, %%rdi\n\t" \
- "subq $128, %%rsp\n\t" \
- "callq __lll_mutex_lock_wait\n\t" \
- "addq $128, %%rsp\n\t" \
- "jmp 2f\n\t" \
+ ".subsection 1\n\t" \
+ ".type _L_lock_%=, @function\n" \
+ "_L_lock_%=:\n" \
+ "1:\tleaq %2, %%rdi\n" \
+ "2:\tsubq $128, %%rsp\n" \
+ "3:\tcallq __lll_mutex_lock_wait\n" \
+ "4:\taddq $128, %%rsp\n" \
+ "5:\tjmp 24f\n" \
+ "6:\t.size _L_lock_%=, 6b-1b\n\t" \
".previous\n" \
- "2:" \
+ LLL_STUB_UNWIND_INFO_5 \
+ "24:" \
: "=S" (ignore1), "=&D" (ignore2), "=m" (futex),\
"=a" (ignore3) \
: "0" (1), "m" (futex), "3" (0) \
@@ -260,17 +508,21 @@ extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
"je 0f\n\t" \
"lock; decl %0\n\t" \
"jne 1f\n\t" \
- "jmp 2f\n" \
+ "jmp 24f\n" \
"0:\tdecl %0\n\t" \
"jne 1f\n\t" \
- ".subsection 1\n" \
- "1:\tleaq %0, %%rdi\n\t" \
- "subq $128, %%rsp\n\t" \
- "callq __lll_mutex_unlock_wake\n\t" \
- "addq $128, %%rsp\n\t" \
- "jmp 2f\n\t" \
+ ".subsection 1\n\t" \
+ ".type _L_unlock_%=, @function\n" \
+ "_L_unlock_%=:\n" \
+ "1:\tleaq %0, %%rdi\n" \
+ "2:\tsubq $128, %%rsp\n" \
+ "3:\tcallq __lll_mutex_unlock_wake\n" \
+ "4:\taddq $128, %%rsp\n" \
+ "5:\tjmp 24f\n" \
+ "6:\t.size _L_unlock_%=, 6b-1b\n\t" \
".previous\n" \
- "2:" \
+ LLL_STUB_UNWIND_INFO_5 \
+ "24:" \
: "=m" (futex), "=&D" (ignore) \
: "m" (futex) \
: "ax", "cx", "r11", "cc", "memory"); })
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S
new file mode 100644
index 0000000000..69243950d7
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S
@@ -0,0 +1,229 @@
+/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sysdep.h>
+#include <pthread-errnos.h>
+#include <lowlevelrobustlock.h>
+
+ .text
+
+#ifndef LOCK
+# ifdef UP
+# define LOCK
+# else
+# define LOCK lock
+# endif
+#endif
+
+#define SYS_futex 202
+#define FUTEX_WAIT 0
+#define FUTEX_WAKE 1
+#define FUTEX_WAITERS 0x80000000
+#define FUTEX_OWNER_DIED 0x40000000
+
+/* For the calculation see asm/vsyscall.h. */
+#define VSYSCALL_ADDR_vgettimeofday 0xffffffffff600000
+
+
+ .globl __lll_robust_mutex_lock_wait
+ .type __lll_robust_mutex_lock_wait,@function
+ .hidden __lll_robust_mutex_lock_wait
+ .align 16
+__lll_robust_mutex_lock_wait:
+ cfi_startproc
+ pushq %r10
+ cfi_adjust_cfa_offset(8)
+ pushq %rdx
+ cfi_adjust_cfa_offset(8)
+ cfi_offset(%r10, -16)
+ cfi_offset(%rdx, -24)
+
+ xorq %r10, %r10 /* No timeout. */
+#if FUTEX_WAIT == 0
+ xorl %esi, %esi
+#else
+ movl $FUTEX_WAIT, %esi
+#endif
+
+4: movl %eax, %edx
+ orl $FUTEX_WAITERS, %edx
+
+ testl $FUTEX_OWNER_DIED, %eax
+ jnz 3f
+
+ cmpl %edx, %eax
+ je 1f
+
+ LOCK
+ cmpxchgl %edx, (%rdi)
+ jnz 2f
+
+1: movl $SYS_futex, %eax
+ syscall
+
+ movl (%rdi), %eax
+
+2: testl %eax, %eax
+ jne 4b
+
+ movl %fs:TID, %edx
+ orl $FUTEX_WAITERS, %edx
+ LOCK
+ cmpxchgl %edx, (%rdi)
+ jnz 4b
+ /* NB: %rax == 0 */
+
+3: popq %rdx
+ cfi_adjust_cfa_offset(-8)
+ cfi_restore(%rdx)
+ popq %r10
+ cfi_adjust_cfa_offset(-8)
+ cfi_restore(%r10)
+ retq
+ cfi_endproc
+ .size __lll_robust_mutex_lock_wait,.-__lll_robust_mutex_lock_wait
+
+
+ .globl __lll_robust_mutex_timedlock_wait
+ .type __lll_robust_mutex_timedlock_wait,@function
+ .hidden __lll_robust_mutex_timedlock_wait
+ .align 16
+__lll_robust_mutex_timedlock_wait:
+ cfi_startproc
+ /* Check for a valid timeout value. */
+ cmpq $1000000000, 8(%rdx)
+ jae 3f
+
+ pushq %r8
+ cfi_adjust_cfa_offset(8)
+ pushq %r9
+ cfi_adjust_cfa_offset(8)
+ pushq %r12
+ cfi_adjust_cfa_offset(8)
+ pushq %r13
+ cfi_adjust_cfa_offset(8)
+ cfi_offset(%r8, -16)
+ cfi_offset(%r9, -24)
+ cfi_offset(%r12, -32)
+ cfi_offset(%r13, -40)
+
+ /* Stack frame for the timespec and timeval structs. */
+ subq $24, %rsp
+ cfi_adjust_cfa_offset(24)
+
+ movq %rdi, %r12
+ movq %rdx, %r13
+
+1: movq %rax, 16(%rsp)
+
+ /* Get current time. */
+ movq %rsp, %rdi
+ xorl %esi, %esi
+ movq $VSYSCALL_ADDR_vgettimeofday, %rax
+ /* This is a regular function call, all caller-save registers
+ might be clobbered. */
+ callq *%rax
+
+ /* Compute relative timeout. */
+ movq 8(%rsp), %rax
+ movl $1000, %edi
+ mul %rdi /* Milli seconds to nano seconds. */
+ movq (%r13), %rdi
+ movq 8(%r13), %rsi
+ subq (%rsp), %rdi
+ subq %rax, %rsi
+ jns 4f
+ addq $1000000000, %rsi
+ decq %rdi
+4: testq %rdi, %rdi
+ js 8f /* Time is already up. */
+
+ /* Futex call. */
+ movq %rdi, (%rsp) /* Store relative timeout. */
+ movq %rsi, 8(%rsp)
+
+ movq 16(%rsp), %rdx
+ movl %edx, %eax
+ orl $FUTEX_WAITERS, %edx
+
+ testl $FUTEX_OWNER_DIED, %eax
+ jnz 6f
+
+ cmpl %eax, %edx
+ je 2f
+
+ LOCK
+ cmpxchgl %edx, (%r12)
+ movq $0, %rcx /* Must use mov to avoid changing cc. */
+ jnz 5f
+
+2: movq %rsp, %r10
+#if FUTEX_WAIT == 0
+ xorl %esi, %esi
+#else
+ movl $FUTEX_WAIT, %esi
+#endif
+ movq %r12, %rdi
+ movl $SYS_futex, %eax
+ syscall
+ movq %rax, %rcx
+
+ movl (%r12), %eax
+
+5: testl %eax, %eax
+ jne 7f
+
+ movl %fs:TID, %edx
+ orl $FUTEX_WAITERS, %edx
+ LOCK
+ cmpxchgl %edx, (%r12)
+ jnz 7f
+
+6: addq $24, %rsp
+ cfi_adjust_cfa_offset(-24)
+ popq %r13
+ cfi_adjust_cfa_offset(-8)
+ cfi_restore(%r13)
+ popq %r12
+ cfi_adjust_cfa_offset(-8)
+ cfi_restore(%r12)
+ popq %r9
+ cfi_adjust_cfa_offset(-8)
+ cfi_restore(%r9)
+ popq %r8
+ cfi_adjust_cfa_offset(-8)
+ cfi_restore(%r8)
+ retq
+
+3: movl $EINVAL, %eax
+ retq
+
+ cfi_adjust_cfa_offset(56)
+ cfi_offset(%r8, -16)
+ cfi_offset(%r9, -24)
+ cfi_offset(%r12, -32)
+ cfi_offset(%r13, -40)
+ /* Check whether the time expired. */
+7: cmpq $-ETIMEDOUT, %rcx
+ jne 1b
+
+8: movl $ETIMEDOUT, %eax
+ jmp 6b
+ cfi_endproc
+ .size __lll_robust_mutex_timedlock_wait,.-__lll_robust_mutex_timedlock_wait
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S
index e1593f32ff..fa8125dd87 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -63,9 +63,14 @@ pthread_barrier_wait:
/* Wait for the remaining threads. The call will return immediately
if the CURR_EVENT memory has meanwhile been changed. */
-7: xorq %rsi, %rsi /* movq $FUTEX_WAIT, %rsi */
+7:
+#if FUTEX_WAIT == 0
+ xorl %esi, %esi
+#else
+ movl $FUTEX_WAIT, %esi
+#endif
xorq %r10, %r10
-8: movq $SYS_futex, %rax
+8: movl $SYS_futex, %eax
syscall
/* Don't return on spurious wakeups. The syscall does not change
@@ -110,8 +115,8 @@ pthread_barrier_wait:
/* Wake up all waiters. The count is a signed number in the kernel
so 0x7fffffff is the highest value. */
movl $0x7fffffff, %edx
- movq $FUTEX_WAKE, %rsi
- movq $SYS_futex, %rax
+ movl $FUTEX_WAKE, %esi
+ movl $SYS_futex, %eax
syscall
/* Increment LEFT. If this brings the count back to the
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S
index e8d7bd9bb6..006de2696e 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -21,6 +21,7 @@
#include <shlib-compat.h>
#include <lowlevelcond.h>
#include <kernel-features.h>
+#include <pthread-pi-defines.h>
#ifdef UP
# define LOCK
@@ -80,11 +81,15 @@ __pthread_cond_broadcast:
8: cmpq $-1, %r8
je 9f
+ /* XXX: The kernel so far doesn't support requeue to PI futex. */
+ testl $PI_BIT, MUTEX_KIND(%r8)
+ jne 9f
+
/* Wake up all threads. */
- movq $FUTEX_CMP_REQUEUE, %rsi
- movq $SYS_futex, %rax
+ movl $FUTEX_CMP_REQUEUE, %esi
+ movl $SYS_futex, %eax
movl $1, %edx
- movq $0x7fffffff, %r10
+ movl $0x7fffffff, %r10d
syscall
/* For any kind of error, which mainly is EAGAIN, we try again
@@ -128,9 +133,9 @@ __pthread_cond_broadcast:
jmp 8b
9: /* The futex requeue functionality is not available. */
- movq $0x7fffffff, %rdx
- movq $FUTEX_WAKE, %rsi
- movq $SYS_futex, %rax
+ movl $0x7fffffff, %edx
+ movl $FUTEX_WAKE, %esi
+ movl $SYS_futex, %eax
syscall
jmp 10b
.size __pthread_cond_broadcast, .-__pthread_cond_broadcast
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S
index 62bb74cc1a..3dbb9e81e3 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -31,7 +31,9 @@
#define SYS_futex 202
#define FUTEX_WAIT 0
#define FUTEX_WAKE 1
-#define FUTEX_REQUEUE 3
+#define FUTEX_WAKE_OP 5
+
+#define FUTEX_OP_CLEAR_WAKE_IF_GT_ONE ((4 << 24) | 1)
#define EINVAL 22
@@ -66,9 +68,30 @@ __pthread_cond_signal:
addl $1, (%rdi)
/* Wake up one thread. */
- movq $FUTEX_WAKE, %rsi
- movq $SYS_futex, %rax
- movq $1, %rdx
+ movl $FUTEX_WAKE_OP, %esi
+ movl $SYS_futex, %eax
+ movl $1, %edx
+ movl $1, %r10d
+#if cond_lock != 0
+ addq $cond_lock, %r8
+#endif
+ movl $FUTEX_OP_CLEAR_WAKE_IF_GT_ONE, %r9d
+ syscall
+#if cond_lock != 0
+ subq $cond_lock, %r8
+#endif
+ /* For any kind of error, we try again with WAKE.
+ The general test also covers running on old kernels. */
+ cmpq $-4095, %rax
+ jae 7f
+
+ xorl %eax, %eax
+ retq
+
+7: movl $FUTEX_WAKE, %esi
+ movl $SYS_futex, %eax
+ /* %rdx should be 1 already from $FUTEX_WAKE_OP syscall.
+ movl $1, %edx */
syscall
/* Unlock. */
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
index 67bec6caa7..ad3ae1e76e 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -56,7 +56,7 @@ __pthread_cond_timedwait:
.Lsubq:
cmpq $1000000000, 8(%rdx)
- movq $EINVAL, %rax
+ movl $EINVAL, %eax
jae 18f
/* Stack frame:
@@ -102,7 +102,7 @@ __pthread_cond_timedwait:
/* Unlock the mutex. */
2: movq 16(%rsp), %rdi
- xorq %rsi, %rsi
+ xorl %esi, %esi
callq __pthread_mutex_unlock_usercnt
testl %eax, %eax
@@ -141,7 +141,7 @@ __pthread_cond_timedwait:
/* Only clocks 0 and 1 are allowed so far. Both are handled in the
kernel. */
leaq 24(%rsp), %rsi
- movq $__NR_clock_gettime, %rax
+ movl $__NR_clock_gettime, %eax
syscall
# ifndef __ASSUME_POSIX_TIMERS
cmpq $-ENOSYS, %rax
@@ -155,13 +155,13 @@ __pthread_cond_timedwait:
subq 32(%rsp), %rdx
#else
leaq 24(%rsp), %rdi
- xorq %rsi, %rsi
+ xorl %esi, %esi
movq $VSYSCALL_ADDR_vgettimeofday, %rax
callq *%rax
/* Compute relative timeout. */
movq 32(%rsp), %rax
- movq $1000, %rdx
+ movl $1000, %edx
mul %rdx /* Milli seconds to nano seconds. */
movq (%r13), %rcx
movq 8(%r13), %rdx
@@ -195,10 +195,14 @@ __pthread_cond_timedwait:
movl %eax, (%rsp)
leaq 24(%rsp), %r10
- xorq %rsi, %rsi /* movq $FUTEX_WAIT, %rsi */
+#if FUTEX_WAIT == 0
+ xorl %esi, %esi
+#else
+ movl $FUTEX_WAIT, %esi
+#endif
movq %r12, %rdx
addq $cond_futex, %rdi
- movq $SYS_futex, %rax
+ movl $SYS_futex, %eax
syscall
movq %rax, %r14
@@ -237,7 +241,7 @@ __pthread_cond_timedwait:
13: incq wakeup_seq(%rdi)
incl cond_futex(%rdi)
- movq $ETIMEDOUT, %r14
+ movl $ETIMEDOUT, %r14d
jmp 14f
23: xorq %r14, %r14
@@ -256,8 +260,8 @@ __pthread_cond_timedwait:
jne 25f
addq $cond_nwaiters, %rdi
- movq $SYS_futex, %rax
- movq $FUTEX_WAKE, %rsi
+ movl $SYS_futex, %eax
+ movl $FUTEX_WAKE, %esi
movl $1, %edx
syscall
subq $cond_nwaiters, %rdi
@@ -349,13 +353,13 @@ __pthread_cond_timedwait:
#if defined __NR_clock_gettime && !defined __ASSUME_POSIX_TIMERS
/* clock_gettime not available. */
19: leaq 24(%rsp), %rdi
- xorq %rsi, %rsi
+ xorl %esi, %esi
movq $VSYSCALL_ADDR_vgettimeofday, %rax
callq *%rax
/* Compute relative timeout. */
movq 32(%rsp), %rax
- movq $1000, %rdx
+ movl $1000, %edx
mul %rdx /* Milli seconds to nano seconds. */
movq (%r13), %rcx
movq 8(%r13), %rdx
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
index f5de0a280c..969e80da2a 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -67,9 +67,15 @@ __condvar_cleanup:
cmpl 4(%r8), %edx
jne 3f
+ /* We increment the wakeup_seq counter only if it is lower than
+ total_seq. If this is not the case the thread was woken and
+ then canceled. In this case we ignore the signal. */
+ movq total_seq(%rdi), %rax
+ cmpq wakeup_seq(%rdi), %rax
+ jbe 6f
incq wakeup_seq(%rdi)
- incq woken_seq(%rdi)
incl cond_futex(%rdi)
+6: incq woken_seq(%rdi)
3: subl $(1 << clock_bits), cond_nwaiters(%rdi)
@@ -82,12 +88,12 @@ __condvar_cleanup:
jne 4f
addq $cond_nwaiters, %rdi
- movq $SYS_futex, %rax
- movq $FUTEX_WAKE, %rsi
+ movl $SYS_futex, %eax
+ movl $FUTEX_WAKE, %esi
movl $1, %edx
syscall
subq $cond_nwaiters, %rdi
- movq $1, %r12
+ movl $1, %r12d
4: LOCK
#if cond_lock == 0
@@ -105,9 +111,9 @@ __condvar_cleanup:
2: testq %r12, %r12
jnz 5f
addq $cond_futex, %rdi
- movq $FUTEX_WAKE, %rsi
+ movl $FUTEX_WAKE, %esi
movl $0x7fffffff, %edx
- movq $SYS_futex, %rax
+ movl $SYS_futex, %eax
syscall
5: movq 16(%r8), %rdi
@@ -170,7 +176,7 @@ __pthread_cond_wait:
/* Unlock the mutex. */
2: movq 16(%rsp), %rdi
- xorq %rsi, %rsi
+ xorl %esi, %esi
callq __pthread_mutex_unlock_usercnt
testl %eax, %eax
@@ -215,8 +221,12 @@ __pthread_cond_wait:
xorq %r10, %r10
movq %r12, %rdx
addq $cond_futex-cond_lock, %rdi
- movq $SYS_futex, %rax
- movq %r10, %rsi /* movq $FUTEX_WAIT, %rsi */
+ movl $SYS_futex, %eax
+#if FUTEX_WAIT == 0
+ xorl %esi, %esi
+#else
+ movl $FUTEX_WAIT, %esi
+#endif
syscall
movl (%rsp), %edi
@@ -262,8 +272,8 @@ __pthread_cond_wait:
jne 17f
addq $cond_nwaiters, %rdi
- movq $SYS_futex, %rax
- movq $FUTEX_WAKE, %rsi
+ movl $SYS_futex, %eax
+ movl $FUTEX_WAKE, %esi
movl $1, %edx
syscall
subq $cond_nwaiters, %rdi
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_once.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_once.S
index 3fec0f4205..9db5516913 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_once.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_once.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -74,17 +74,23 @@ __pthread_once:
jnz 3f /* Different for generation -> run initializer. */
/* Somebody else got here first. Wait. */
- movq %r10, %rsi /* movq $FUTEX_WAIT, %rsi */
- movq $SYS_futex, %rax
+#if FUTEX_WAIT == 0
+ xorl %esi, %esi
+#else
+ movl $FUTEX_WAIT, %esi
+#endif
+ movl $SYS_futex, %eax
syscall
jmp 6b
/* Preserve the pointer to the control variable. */
3: pushq %rdi
.Lpush_rdi:
+ pushq %rdi
+.Lpush_rdi2:
.LcleanupSTART:
- callq *8(%rsp)
+ callq *16(%rsp)
.LcleanupEND:
/* Get the control variable address back. */
@@ -95,15 +101,18 @@ __pthread_once:
LOCK
incl (%rdi)
+ addq $8, %rsp
+.Ladd1:
+
/* Wake up all other threads. */
movl $0x7fffffff, %edx
movl $FUTEX_WAKE, %esi
- movq $SYS_futex, %rax
+ movl $SYS_futex, %eax
syscall
4: addq $8, %rsp
-.Ladd:
- xorq %rax, %rax
+.Ladd2:
+ xorl %eax, %eax
retq
.size __pthread_once,.-__pthread_once
@@ -124,8 +133,8 @@ clear_once_control:
movl $0, (%rdi)
movl $0x7fffffff, %edx
- movq $FUTEX_WAKE, %rsi
- movq $SYS_futex, %rax
+ movl $FUTEX_WAKE, %esi
+ movl $SYS_futex, %eax
syscall
movq %r8, %rdi
@@ -220,20 +229,28 @@ clear_once_control:
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 24
.byte 4 # DW_CFA_advance_loc4
- .long .Lpop_rdi-.Lpush_rdi
+ .long .Lpush_rdi2-.Lpush_rdi
+ .byte 14 # DW_CFA_def_cfa_offset
+ .uleb128 32
+ .byte 4 # DW_CFA_advance_loc4
+ .long .Lpop_rdi-.Lpush_rdi2
+ .byte 14 # DW_CFA_def_cfa_offset
+ .uleb128 24
+ .byte 4 # DW_CFA_advance_loc4
+ .long .Ladd1-.Lpop_rdi
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 16
.byte 4 # DW_CFA_advance_loc4
- .long .Ladd-.Lpop_rdi
+ .long .Ladd2-.Ladd1
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 8
.byte 4 # DW_CFA_advance_loc4
- .long clear_once_control-.Ladd
+ .long clear_once_control-.Ladd2
.byte 14 # DW_CFA_def_cfa_offset
- .uleb128 24
+ .uleb128 32
#if 0
.byte 4 # DW_CFA_advance_loc4
- .long .Lpop_rdi2-clear_once_control
+ .long .Lpop_rdi3-clear_once_control
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 16
#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_rdlock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_rdlock.S
index 43c8cae34c..5e9d8fb1d6 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_rdlock.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_rdlock.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -74,8 +74,12 @@ __pthread_rwlock_rdlock:
jne 10f
11: addq $READERS_WAKEUP, %rdi
- movq %r10, %rsi /* movq $FUTEX_WAIT, %rsi */
- movq $SYS_futex, %rax
+#if FUTEX_WAIT == 0
+ xorl %esi, %esi
+#else
+ movl $FUTEX_WAIT, %esi
+#endif
+ movl $SYS_futex, %eax
syscall
subq $READERS_WAKEUP, %rdi
@@ -94,7 +98,7 @@ __pthread_rwlock_rdlock:
13: decl READERS_QUEUED(%rdi)
jmp 2b
-5: xorq %rdx, %rdx
+5: xorl %edx, %edx
incl NR_READERS(%rdi)
je 8f
9: LOCK
@@ -122,7 +126,7 @@ __pthread_rwlock_rdlock:
14: cmpl %fs:TID, %eax
jne 3b
/* Deadlock detected. */
- movq $EDEADLK, %rdx
+ movl $EDEADLK, %edx
jmp 9b
6:
@@ -137,12 +141,12 @@ __pthread_rwlock_rdlock:
/* Overflow. */
8: decl NR_READERS(%rdi)
- movq $EAGAIN, %rdx
+ movl $EAGAIN, %edx
jmp 9b
/* Overflow. */
4: decl READERS_QUEUED(%rdi)
- movq $EAGAIN, %rdx
+ movl $EAGAIN, %edx
jmp 9b
10:
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S
index aadc90c974..b44660418a 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -90,13 +90,13 @@ pthread_rwlock_timedrdlock:
/* Get current time. */
11: movq %rsp, %rdi
- xorq %rsi, %rsi
+ xorl %esi, %esi
movq $VSYSCALL_ADDR_vgettimeofday, %rax
callq *%rax
/* Compute relative timeout. */
movq 8(%rsp), %rax
- movq $1000, %rdi
+ movl $1000, %edi
mul %rdi /* Milli seconds to nano seconds. */
movq (%r13), %rcx
movq 8(%r13), %rdi
@@ -112,11 +112,15 @@ pthread_rwlock_timedrdlock:
movq %rcx, (%rsp) /* Store relative timeout. */
movq %rdi, 8(%rsp)
- xorq %rsi, %rsi /* movq $FUTEX_WAIT, %rsi */
+#if FUTEX_WAIT == 0
+ xorl %esi, %esi
+#else
+ movl $FUTEX_WAIT, %esi
+#endif
movq %rsp, %r10
movl %r14d, %edx
leaq READERS_WAKEUP(%r12), %rdi
- movq $SYS_futex, %rax
+ movl $SYS_futex, %eax
syscall
movq %rax, %rdx
17:
@@ -136,11 +140,11 @@ pthread_rwlock_timedrdlock:
cmpq $-ETIMEDOUT, %rdx
jne 2b
-18: movq $ETIMEDOUT, %rdx
+18: movl $ETIMEDOUT, %edx
jmp 9f
-5: xorq %rdx, %rdx
+5: xorl %edx, %edx
incl NR_READERS(%r12)
je 8f
9: LOCK
@@ -168,7 +172,7 @@ pthread_rwlock_timedrdlock:
14: cmpl %fs:TID, %eax
jne 3b
- movq $EDEADLK, %rdx
+ movl $EDEADLK, %edx
jmp 9b
6:
@@ -182,12 +186,12 @@ pthread_rwlock_timedrdlock:
/* Overflow. */
8: decl NR_READERS(%r12)
- movq $EAGAIN, %rdx
+ movl $EAGAIN, %edx
jmp 9b
/* Overflow. */
4: decl READERS_QUEUED(%r12)
- movq $EAGAIN, %rdx
+ movl $EAGAIN, %edx
jmp 9b
10:
@@ -211,6 +215,6 @@ pthread_rwlock_timedrdlock:
16: movq $-ETIMEDOUT, %rdx
jmp 17b
-19: movq $EINVAL, %rdx
+19: movl $EINVAL, %edx
jmp 9b
.size pthread_rwlock_timedrdlock,.-pthread_rwlock_timedrdlock
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S
index ccaef47070..525e5b6b93 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -86,13 +86,13 @@ pthread_rwlock_timedwrlock:
/* Get current time. */
11: movq %rsp, %rdi
- xorq %rsi, %rsi
+ xorl %esi, %esi
movq $VSYSCALL_ADDR_vgettimeofday, %rax
callq *%rax
/* Compute relative timeout. */
movq 8(%rsp), %rax
- movq $1000, %rdi
+ movl $1000, %edi
mul %rdi /* Milli seconds to nano seconds. */
movq (%r13), %rcx
movq 8(%r13), %rdi
@@ -108,11 +108,15 @@ pthread_rwlock_timedwrlock:
movq %rcx, (%rsp) /* Store relative timeout. */
movq %rdi, 8(%rsp)
- xorq %rsi, %rsi /* movq $FUTEX_WAIT, %rsi */
+#if FUTEX_WAIT == 0
+ xorl %esi, %esi
+#else
+ movl $FUTEX_WAIT, %esi
+#endif
movq %rsp, %r10
movl %r14d, %edx
leaq WRITERS_WAKEUP(%r12), %rdi
- movq $SYS_futex, %rax
+ movl $SYS_futex, %eax
syscall
movq %rax, %rdx
17:
@@ -132,11 +136,11 @@ pthread_rwlock_timedwrlock:
cmpq $-ETIMEDOUT, %rdx
jne 2b
-18: movq $ETIMEDOUT, %rdx
+18: movl $ETIMEDOUT, %edx
jmp 9f
-5: xorq %rdx, %rdx
+5: xorl %edx, %edx
movl %fs:TID, %eax
movl %eax, WRITER(%r12)
9: LOCK
@@ -164,7 +168,7 @@ pthread_rwlock_timedwrlock:
14: cmpl %fs:TID, %eax
jne 3b
-20: movq $EDEADLK, %rdx
+20: movl $EDEADLK, %edx
jmp 9b
6:
@@ -178,7 +182,7 @@ pthread_rwlock_timedwrlock:
/* Overflow. */
4: decl WRITERS_QUEUED(%r12)
- movq $EAGAIN, %rdx
+ movl $EAGAIN, %edx
jmp 9b
10:
@@ -202,6 +206,6 @@ pthread_rwlock_timedwrlock:
16: movq $-ETIMEDOUT, %rdx
jmp 17b
-19: movq $EINVAL, %rdx
+19: movl $EINVAL, %edx
jmp 9b
.size pthread_rwlock_timedwrlock,.-pthread_rwlock_timedwrlock
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_unlock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_unlock.S
index ac69fc0eae..3a6b9f0bad 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_unlock.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_unlock.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -56,7 +56,7 @@ __pthread_rwlock_unlock:
5: movl $0, WRITER(%rdi)
- movq $1, %rsi
+ movl $1, %esi
leaq WRITERS_WAKEUP(%rdi), %r10
movq %rsi, %rdx
cmpl $0, WRITERS_QUEUED(%rdi)
@@ -78,11 +78,11 @@ __pthread_rwlock_unlock:
#endif
jne 7f
-8: movq $SYS_futex, %rax
+8: movl $SYS_futex, %eax
movq %r10, %rdi
syscall
- xorq %rax, %rax
+ xorl %eax, %eax
retq
.align 16
@@ -94,7 +94,7 @@ __pthread_rwlock_unlock:
#endif
jne 3f
-4: xorq %rax, %rax
+4: xorl %eax, %eax
retq
1:
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S
index 1fcb07eaef..0e82f890aa 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -72,8 +72,12 @@ __pthread_rwlock_wrlock:
jne 10f
11: addq $WRITERS_WAKEUP, %rdi
- movq %r10, %rsi /* movq $FUTEX_WAIT, %rsi */
- movq $SYS_futex, %rax
+#if FUTEX_WAIT == 0
+ xorl %esi, %esi
+#else
+ movl $FUTEX_WAIT, %esi
+#endif
+ movl $SYS_futex, %eax
syscall
subq $WRITERS_WAKEUP, %rdi
@@ -92,7 +96,7 @@ __pthread_rwlock_wrlock:
13: decl WRITERS_QUEUED(%rdi)
jmp 2b
-5: xorq %rdx, %rdx
+5: xorl %edx, %edx
movl %fs:TID, %eax
movl %eax, WRITER(%rdi)
9: LOCK
@@ -119,7 +123,7 @@ __pthread_rwlock_wrlock:
14: cmpl %fs:TID, %eax
jne 3b
- movq $EDEADLK, %rdx
+ movl $EDEADLK, %edx
jmp 9b
6:
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S
index 21ec6fd226..7f608a5974 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -41,8 +41,8 @@ sem_post:
LOCK
xaddl %edx, (%rdi)
- movq $SYS_futex, %rax
- movq $FUTEX_WAKE, %rsi
+ movl $SYS_futex, %eax
+ movl $FUTEX_WAKE, %esi
incl %edx
syscall
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S
index d90e03b55b..51136cf2dc 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2005, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -79,17 +79,14 @@ sem_timedwait:
cfi_offset(14, -24) /* %r14 */
jae 6f
-7: call __pthread_enable_asynccancel
- movl %eax, 16(%rsp)
-
- xorq %rsi, %rsi
+7: xorl %esi, %esi
movq %rsp, %rdi
movq $VSYSCALL_ADDR_vgettimeofday, %rax
callq *%rax
/* Compute relative timeout. */
movq 8(%rsp), %rax
- movq $1000, %rdi
+ movl $1000, %edi
mul %rdi /* Milli seconds to nano seconds. */
movq (%r13), %rdi
movq 8(%r13), %rsi
@@ -105,10 +102,13 @@ sem_timedwait:
movq %rdi, (%rsp) /* Store relative timeout. */
movq %rsi, 8(%rsp)
+ call __pthread_enable_asynccancel
+ movl %eax, 16(%rsp)
+
movq %rsp, %r10
movq %r12, %rdi
- xorq %rsi, %rsi
- movq $SYS_futex, %rax
+ xorl %esi, %esi
+ movl $SYS_futex, %eax
xorl %edx, %edx
syscall
movq %rax, %r14
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_trywait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_trywait.S
index 31271bb94c..6b77dfc0d8 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_trywait.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_trywait.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -56,4 +56,3 @@ sem_trywait:
orl $-1, %eax
retq
.size sem_trywait,.-sem_trywait
- versioned_symbol(libpthread, __new_sem_trywait, sem_trywait, GLIBC_2_1)
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S
index 76957bc139..63ecd063ab 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -77,7 +77,7 @@ sem_wait:
movl %eax, %r8d
xorq %r10, %r10
- movq $SYS_futex, %rax
+ movl $SYS_futex, %eax
movq %r13, %rdi
movq %r10, %rsi
movq %r10, %rdx
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h
index d47c1b80dc..3e741da794 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2002.
@@ -48,7 +48,7 @@
POPARGS_##args \
/* The return value from CENABLE is argument for CDISABLE. */ \
movq %rax, (%rsp); \
- movq $SYS_ify (syscall_name), %rax; \
+ movl $SYS_ify (syscall_name), %eax; \
syscall; \
movq (%rsp), %rdi; \
/* Save %rax since it's the error code from the syscall. */ \
@@ -136,3 +136,9 @@ extern int __local_multiple_threads attribute_hidden;
# define NO_CANCELLATION 1
#endif
+
+#ifndef __ASSEMBLER__
+# define RTLD_SINGLE_THREAD_P \
+ __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
+ header.multiple_threads) == 0, 1)
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/vfork.S b/nptl/sysdeps/unix/sysv/linux/x86_64/vfork.S
index f68d40439e..9a9912ca85 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/vfork.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/vfork.S
@@ -16,9 +16,16 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
-#include <tcb-offsets.h>
+/* We want an #include_next, but we are the main source file.
+ So, #include ourselves and in that incarnation we can use #include_next. */
+#ifndef INCLUDED_SELF
+# define INCLUDED_SELF
+# include <vfork.S>
+#else
-#define SAVE_PID \
+# include <tcb-offsets.h>
+
+# define SAVE_PID \
movl %fs:PID, %esi; \
movl $0x80000000, %ecx; \
movl %esi, %edx; \
@@ -26,10 +33,11 @@
cmove %ecx, %edx; \
movl %edx, %fs:PID
-#define RESTORE_PID \
+# define RESTORE_PID \
testq %rax, %rax; \
je 1f; \
movl %esi, %fs:PID; \
1:
-#include <sysdeps/unix/sysv/linux/x86_64/vfork.S>
+# include_next <vfork.S>
+#endif