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authorJakub Jelinek <jakub@redhat.com>2007-01-17 10:42:43 +0000
committerJakub Jelinek <jakub@redhat.com>2007-01-17 10:42:43 +0000
commitaf98d46f5a025ae33c60ddb1a5edc753fb714bc5 (patch)
tree24a3c5cb0bfc6163b52ae74ac205f0e175beee87 /sysdeps
parent1f09da09fed864c91288ff91295114fa5202edaa (diff)
Updated to fedora-glibc-20070117T0857
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/generic/ldsodefs.h8
-rw-r--r--sysdeps/i386/i486/bits/atomic.h22
-rw-r--r--sysdeps/i386/soft-fp/sfp-machine.h89
-rw-r--r--sysdeps/posix/system.c18
-rw-r--r--sysdeps/unix/sysv/linux/fatal-prepare.h9
-rw-r--r--sysdeps/unix/sysv/linux/sh/bits/shm.h101
-rw-r--r--sysdeps/x86_64/bits/atomic.h24
-rw-r--r--sysdeps/x86_64/soft-fp/sfp-machine.h51
8 files changed, 146 insertions, 176 deletions
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h
index dda91bb806..a9d20b2150 100644
--- a/sysdeps/generic/ldsodefs.h
+++ b/sysdeps/generic/ldsodefs.h
@@ -1,5 +1,5 @@
/* Run-time dynamic linker data structures for loaded ELF shared objects.
- Copyright (C) 1995-2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 1995-2006, 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
@@ -838,7 +838,9 @@ enum
DL_LOOKUP_ADD_DEPENDENCY = 1,
/* Return most recent version instead of default version for
unversioned lookup. */
- DL_LOOKUP_RETURN_NEWEST = 2
+ DL_LOOKUP_RETURN_NEWEST = 2,
+ /* Set if the scopr lock in the UNDEF_MAP is taken. */
+ DL_LOOKUP_SCOPE_LOCK = 4
};
/* Lookup versioned symbol. */
@@ -847,7 +849,7 @@ extern lookup_t _dl_lookup_symbol_x (const char *undef,
const ElfW(Sym) **sym,
struct r_scope_elem *symbol_scope[],
const struct r_found_version *version,
- int type_class, int explicit,
+ int type_class, int flags,
struct link_map *skip_map)
internal_function attribute_hidden;
diff --git a/sysdeps/i386/i486/bits/atomic.h b/sysdeps/i386/i486/bits/atomic.h
index a27734c37e..4577499d58 100644
--- a/sysdeps/i386/i486/bits/atomic.h
+++ b/sysdeps/i386/i486/bits/atomic.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2006, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -56,26 +56,33 @@ typedef uintmax_t uatomic_max_t;
#endif
-#define __arch_compare_and_exchange_val_8_acq(mem, newval, oldval) \
+#if __GNUC_PREREQ (4, 1)
+# define atomic_compare_and_exchange_val_acq(mem, newval, oldval) \
+ __sync_val_compare_and_swap (mem, oldval, newval)
+# define atomic_compare_and_exchange_bool_acq(mem, newval, oldval) \
+ (! __sync_bool_compare_and_swap (mem, oldval, newval))
+#else
+# define __arch_compare_and_exchange_val_8_acq(mem, newval, oldval) \
({ __typeof (*mem) ret; \
__asm __volatile (LOCK_PREFIX "cmpxchgb %b2, %1" \
: "=a" (ret), "=m" (*mem) \
: "q" (newval), "m" (*mem), "0" (oldval)); \
ret; })
-#define __arch_compare_and_exchange_val_16_acq(mem, newval, oldval) \
+# define __arch_compare_and_exchange_val_16_acq(mem, newval, oldval) \
({ __typeof (*mem) ret; \
__asm __volatile (LOCK_PREFIX "cmpxchgw %w2, %1" \
: "=a" (ret), "=m" (*mem) \
: "r" (newval), "m" (*mem), "0" (oldval)); \
ret; })
-#define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \
+# define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \
({ __typeof (*mem) ret; \
__asm __volatile (LOCK_PREFIX "cmpxchgl %2, %1" \
: "=a" (ret), "=m" (*mem) \
: "r" (newval), "m" (*mem), "0" (oldval)); \
ret; })
+#endif
#define __arch_c_compare_and_exchange_val_8_acq(mem, newval, oldval) \
@@ -240,8 +247,13 @@ typedef uintmax_t uatomic_max_t;
} \
__result; })
-#define atomic_exchange_and_add(mem, value) \
+#if __GNUC_PREREQ (4, 1)
+# define atomic_exchange_and_add(mem, value) \
+ __sync_fetch_and_add (mem, value)
+#else
+# define atomic_exchange_and_add(mem, value) \
__arch_exchange_and_add_body (LOCK_PREFIX, __arch, mem, value)
+#endif
#define __arch_exchange_and_add_cprefix \
"cmpl $0, %%gs:%P4\n\tje 0f\n\tlock\n0:\t"
diff --git a/sysdeps/i386/soft-fp/sfp-machine.h b/sysdeps/i386/soft-fp/sfp-machine.h
deleted file mode 100644
index ed71ae418a..0000000000
--- a/sysdeps/i386/soft-fp/sfp-machine.h
+++ /dev/null
@@ -1,89 +0,0 @@
-#define _FP_W_TYPE_SIZE 32
-#define _FP_W_TYPE unsigned long
-#define _FP_WS_TYPE signed long
-#define _FP_I_TYPE long
-
-#define __FP_FRAC_ADD_2(rh, rl, xh, xl, yh, yl) \
- __asm__("addl %5,%1; adcl %3,%0" \
- : "=r"(rh), "=r"(rl) \
- : "%0"(xh), "g"(yh), "%1"(xl), "g"(yl) \
- : "cc")
-
-#define __FP_FRAC_ADD_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0) \
- do { \
- __asm__ volatile("addl %5,%1; adcl %3,%0" \
- : "=r"(r1), "=r"(r0) \
- : "%0"(x1), "g"(y1), "%1"(x0), "g"(y0) \
- : "cc"); \
- __asm__ volatile("adcl %5,%1; adcl %3,%0" \
- : "=r"(r3), "=r"(r2) \
- : "%0"(x3), "g"(y3), "%1"(x2), "g"(y2) \
- : "cc"); \
- } while (0)
-
-#define __FP_FRAC_SUB_2(rh, rl, xh, xl, yh, yl) \
- __asm__("subl %5,%1; sbbl %4,%0" \
- : "=r"(rh), "=r"(rl) \
- : "0"(xh), "1"(xl), "g"(yh), "g"(yl) \
- : "cc")
-
-#define __FP_CLZ(r, x) \
- do { \
- __asm__("bsrl %1,%0" : "=r"(r) : "g"(x) : "cc"); \
- r ^= 31; \
- } while (0)
-
-#define _i386_mul_32_64(rh, rl, x, y) \
- __asm__("mull %2" : "=d"(rh), "=a"(rl) : "%g"(x), "1"(y) : "cc")
-
-#define _i386_div_64_32(q, r, nh, nl, d) \
- __asm__ ("divl %4" : "=a"(q), "=d"(r) : "0"(nl), "1"(nh), "g"(d) : "cc")
-
-
-#define _FP_MUL_MEAT_S(R,X,Y) \
- _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,_i386_mul_32_64)
-#define _FP_MUL_MEAT_D(R,X,Y) \
- _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,_i386_mul_32_64)
-
-#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_udiv(S,R,X,Y)
-#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y)
-
-#define _FP_NANFRAC_S _FP_QNANBIT_S
-#define _FP_NANFRAC_D _FP_QNANBIT_D, 0
-#define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0, 0, 0
-#define _FP_NANSIGN_S 1
-#define _FP_NANSIGN_D 1
-#define _FP_NANSIGN_Q 1
-
-#define _FP_KEEPNANFRACP 1
-/* Here is something Intel misdesigned: the specs don't define
- the case where we have two NaNs with same mantissas, but
- different sign. Different operations pick up different NaNs.
- */
-#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \
- do { \
- if (_FP_FRAC_GT_##wc(X, Y) \
- || (_FP_FRAC_EQ_##wc(X,Y) && (OP == '+' || OP == '*'))) \
- { \
- R##_s = X##_s; \
- _FP_FRAC_COPY_##wc(R,X); \
- } \
- else \
- { \
- R##_s = Y##_s; \
- _FP_FRAC_COPY_##wc(R,Y); \
- } \
- R##_c = FP_CLS_NAN; \
- } while (0)
-
-#define FP_EX_INVALID (1 << 0)
-#define FP_EX_DENORM (1 << 1)
-#define FP_EX_DIVZERO (1 << 2)
-#define FP_EX_OVERFLOW (1 << 3)
-#define FP_EX_UNDERFLOW (1 << 4)
-#define FP_EX_INEXACT (1 << 5)
-
-#define FP_RND_NEAREST 0
-#define FP_RND_ZERO 3
-#define FP_RND_PINF 2
-#define FP_RND_MINF 1
diff --git a/sysdeps/posix/system.c b/sysdeps/posix/system.c
index f63dde4dae..e78195ef82 100644
--- a/sysdeps/posix/system.c
+++ b/sysdeps/posix/system.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2000, 2002, 2003, 2005 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2000,2002,2003,2005,2007 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
@@ -143,27 +143,11 @@ do_system (const char *line)
else
/* Parent side. */
{
-#ifdef NO_WAITPID
- pid_t child;
- do
- {
- child = __wait (&status);
- if (child <= -1 && errno != EINTR)
- {
- status = -1;
- break;
- }
- /* Note that pid cannot be <= -1 and therefore the loop continues
- when __wait returned with EINTR. */
- }
- while (child != pid);
-#else
/* Note the system() is a cancellation point. But since we call
waitpid() which itself is a cancellation point we do not
have to do anything here. */
if (TEMP_FAILURE_RETRY (__waitpid (pid, &status, 0)) != pid)
status = -1;
-#endif
}
#ifdef CLEANUP_HANDLER
diff --git a/sysdeps/unix/sysv/linux/fatal-prepare.h b/sysdeps/unix/sysv/linux/fatal-prepare.h
index d48ae625ee..81f38b09ee 100644
--- a/sysdeps/unix/sysv/linux/fatal-prepare.h
+++ b/sysdeps/unix/sysv/linux/fatal-prepare.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 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
@@ -24,10 +24,9 @@
# include <pthread-functions.h>
# define FATAL_PREPARE \
{ \
- int (*fp) (int, int *); \
- fp = __libc_pthread_functions.ptr_pthread_setcancelstate; \
- if (fp != NULL) \
- fp (PTHREAD_CANCEL_DISABLE, NULL); \
+ if (__libc_pthread_functions_init) \
+ PTHFCT_CALL (ptr_pthread_setcancelstate, (PTHREAD_CANCEL_DISABLE, \
+ NULL)); \
}
#else
# pragma weak pthread_setcancelstate
diff --git a/sysdeps/unix/sysv/linux/sh/bits/shm.h b/sysdeps/unix/sysv/linux/sh/bits/shm.h
new file mode 100644
index 0000000000..189179394b
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sh/bits/shm.h
@@ -0,0 +1,101 @@
+/* Copyright (C) 1995,1996,1997,2000,2002,2004,2006 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; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#ifndef _SYS_SHM_H
+# error "Never include <bits/shm.h> directly; use <sys/shm.h> instead."
+#endif
+
+#include <bits/types.h>
+
+/* Permission flag for shmget. */
+#define SHM_R 0400 /* or S_IRUGO from <linux/stat.h> */
+#define SHM_W 0200 /* or S_IWUGO from <linux/stat.h> */
+
+/* Flags for `shmat'. */
+#define SHM_RDONLY 010000 /* attach read-only else read-write */
+#define SHM_RND 020000 /* round attach address to SHMLBA */
+#define SHM_REMAP 040000 /* take-over region on attach */
+
+/* Commands for `shmctl'. */
+#define SHM_LOCK 11 /* lock segment (root only) */
+#define SHM_UNLOCK 12 /* unlock segment (root only) */
+
+__BEGIN_DECLS
+
+/* Segment low boundary address multiple. */
+#define SHMLBA 0x4000
+
+/* Type to count number of attaches. */
+typedef unsigned long int shmatt_t;
+
+/* Data structure describing a set of semaphores. */
+struct shmid_ds
+ {
+ struct ipc_perm shm_perm; /* operation permission struct */
+ size_t shm_segsz; /* size of segment in bytes */
+ __time_t shm_atime; /* time of last shmat() */
+ unsigned long int __unused1;
+ __time_t shm_dtime; /* time of last shmdt() */
+ unsigned long int __unused2;
+ __time_t shm_ctime; /* time of last change by shmctl() */
+ unsigned long int __unused3;
+ __pid_t shm_cpid; /* pid of creator */
+ __pid_t shm_lpid; /* pid of last shmop */
+ shmatt_t shm_nattch; /* number of current attaches */
+ unsigned long int __unused4;
+ unsigned long int __unused5;
+ };
+
+#ifdef __USE_MISC
+
+/* ipcs ctl commands */
+# define SHM_STAT 13
+# define SHM_INFO 14
+
+/* shm_mode upper byte flags */
+# define SHM_DEST 01000 /* segment will be destroyed on last detach */
+# define SHM_LOCKED 02000 /* segment will not be swapped */
+# define SHM_HUGETLB 04000 /* segment is mapped via hugetlb */
+# define SHM_NORESERVE 010000 /* don't check for reservations */
+
+struct shminfo
+ {
+ unsigned long int shmmax;
+ unsigned long int shmmin;
+ unsigned long int shmmni;
+ unsigned long int shmseg;
+ unsigned long int shmall;
+ unsigned long int __unused1;
+ unsigned long int __unused2;
+ unsigned long int __unused3;
+ unsigned long int __unused4;
+ };
+
+struct shm_info
+ {
+ int used_ids;
+ unsigned long int shm_tot; /* total allocated shm */
+ unsigned long int shm_rss; /* total resident shm */
+ unsigned long int shm_swp; /* total swapped shm */
+ unsigned long int swap_attempts;
+ unsigned long int swap_successes;
+ };
+
+#endif /* __USE_MISC */
+
+__END_DECLS
diff --git a/sysdeps/x86_64/bits/atomic.h b/sysdeps/x86_64/bits/atomic.h
index 65d6b02008..80e8a0bccb 100644
--- a/sysdeps/x86_64/bits/atomic.h
+++ b/sysdeps/x86_64/bits/atomic.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2006, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -56,34 +56,41 @@ typedef uintmax_t uatomic_max_t;
#endif
-#define __arch_compare_and_exchange_val_8_acq(mem, newval, oldval) \
+#if __GNUC_PREREQ (4, 1)
+# define atomic_compare_and_exchange_val_acq(mem, newval, oldval) \
+ __sync_val_compare_and_swap (mem, oldval, newval)
+# define atomic_compare_and_exchange_bool_acq(mem, newval, oldval) \
+ (! __sync_bool_compare_and_swap (mem, oldval, newval))
+#else
+# define __arch_compare_and_exchange_val_8_acq(mem, newval, oldval) \
({ __typeof (*mem) ret; \
__asm __volatile (LOCK_PREFIX "cmpxchgb %b2, %1" \
: "=a" (ret), "=m" (*mem) \
: "q" (newval), "m" (*mem), "0" (oldval)); \
ret; })
-#define __arch_compare_and_exchange_val_16_acq(mem, newval, oldval) \
+# define __arch_compare_and_exchange_val_16_acq(mem, newval, oldval) \
({ __typeof (*mem) ret; \
__asm __volatile (LOCK_PREFIX "cmpxchgw %w2, %1" \
: "=a" (ret), "=m" (*mem) \
: "r" (newval), "m" (*mem), "0" (oldval)); \
ret; })
-#define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \
+# define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \
({ __typeof (*mem) ret; \
__asm __volatile (LOCK_PREFIX "cmpxchgl %2, %1" \
: "=a" (ret), "=m" (*mem) \
: "r" (newval), "m" (*mem), "0" (oldval)); \
ret; })
-#define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \
+# define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \
({ __typeof (*mem) ret; \
__asm __volatile (LOCK_PREFIX "cmpxchgq %q2, %1" \
: "=a" (ret), "=m" (*mem) \
: "r" ((long int) (newval)), "m" (*mem), \
"0" ((long int) (oldval))); \
ret; })
+#endif
#define __arch_c_compare_and_exchange_val_8_acq(mem, newval, oldval) \
@@ -178,8 +185,13 @@ typedef uintmax_t uatomic_max_t;
"i" (offsetof (tcbhead_t, multiple_threads))); \
result; })
-#define atomic_exchange_and_add(mem, value) \
+#if __GNUC_PREREQ (4, 1)
+# define atomic_exchange_and_add(mem, value) \
+ __sync_fetch_and_add (mem, value)
+#else
+# define atomic_exchange_and_add(mem, value) \
__arch_exchange_and_add_body (LOCK_PREFIX, mem, value)
+#endif
#define __arch_exchange_and_add_cprefix \
"cmpl $0, %%fs:%P4\n\tje 0f\n\tlock\n0:\t"
diff --git a/sysdeps/x86_64/soft-fp/sfp-machine.h b/sysdeps/x86_64/soft-fp/sfp-machine.h
deleted file mode 100644
index 77df02380c..0000000000
--- a/sysdeps/x86_64/soft-fp/sfp-machine.h
+++ /dev/null
@@ -1,51 +0,0 @@
-#define _FP_W_TYPE_SIZE 64
-#define _FP_W_TYPE unsigned long
-#define _FP_WS_TYPE signed long
-#define _FP_I_TYPE long
-
-#define __FP_CLZ(r, x) \
- do { \
- __asm__("bsrq %1,%0" : "=r"(r) : "g"(x) : "cc"); \
- r ^= 63; \
- } while (0)
-
-#define _FP_NANFRAC_S _FP_QNANBIT_S
-#define _FP_NANFRAC_D _FP_QNANBIT_D, 0
-#define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0, 0, 0
-#define _FP_NANSIGN_S 1
-#define _FP_NANSIGN_D 1
-#define _FP_NANSIGN_Q 1
-
-#define _FP_KEEPNANFRACP 1
-/* Here is something Intel misdesigned: the specs don't define
- the case where we have two NaNs with same mantissas, but
- different sign. Different operations pick up different NaNs.
- */
-#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \
- do { \
- if (_FP_FRAC_GT_##wc(X, Y) \
- || (_FP_FRAC_EQ_##wc(X,Y) && (OP == '+' || OP == '*'))) \
- { \
- R##_s = X##_s; \
- _FP_FRAC_COPY_##wc(R,X); \
- } \
- else \
- { \
- R##_s = Y##_s; \
- _FP_FRAC_COPY_##wc(R,Y); \
- } \
- R##_c = FP_CLS_NAN; \
- } while (0)
-
-#define FP_EX_INVALID (1 << 0)
-#define FP_EX_DENORM (1 << 1)
-#define FP_EX_DIVZERO (1 << 2)
-#define FP_EX_OVERFLOW (1 << 3)
-#define FP_EX_UNDERFLOW (1 << 4)
-#define FP_EX_INEXACT (1 << 5)
-
-#define FP_RND_NEAREST 0
-#define FP_RND_ZERO 3
-#define FP_RND_PINF 2
-#define FP_RND_MINF 1
-