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Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h142
1 files changed, 5 insertions, 137 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h
index 0eb1f0114c..d9376d45a0 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, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004 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
@@ -26,9 +26,6 @@
#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. */
@@ -65,28 +62,6 @@ 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 ("\
@@ -127,25 +102,6 @@ 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) \
@@ -166,25 +122,6 @@ 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 ("\
@@ -204,26 +141,6 @@ 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 ("\
@@ -240,37 +157,6 @@ 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)
@@ -295,37 +181,19 @@ typedef int lll_lock_t;
# endif
#define lll_futex_wait(futex, val) \
- ({ \
- int __status; \
+ do { \
+ int __ignore; \
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" (__status) \
- : "r" (__r3), "r" (__r4), "r" (__r5), \
- "r" (__r6), "r" (__r7) \
- : "memory", "t"); \
- __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) \
+ : "=z" (__ignore) \
: "r" (__r3), "r" (__r4), "r" (__r5), \
"r" (__r6), "r" (__r7) \
: "memory", "t"); \
- __status; \
- })
+ } while (0)
#define lll_futex_wake(futex, nr) \
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-20 03:17:19 +0000