(__pthread_rwlock_rdlock): Don't use non SH-3/4 instruction.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_wrlock.S:
(__pthread_rwlock_wrlock): Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedrdlock.S:
(pthread_rwlock_timedrdlock): Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S:
(pthread_rwlock_timedwrlock): Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_unlock.S:
(__pthread_rwlock_unlock): Likewise.
2007-06-10 Kaz Kojima <kkojima@rr.iij4u.or.jp>
* sysdeps/sh/tcb-offsets.sym: Add PRIVATE_FUTEX.
* sysdeps/unix/sysv/linux/sh/bits/pthreadtypes.h: Include endian.h.
Split __flags into __flags, __shared, __pad1 and __pad2.
* sysdeps/unix/sysv/linux/sh/libc-lowlevellock.S: Use private
futexes if they are available.
* sysdeps/unix/sysv/linux/sh/lowlevellock.S: Adjust so that change
in libc-lowlevellock.S allow using private futexes.
* sysdeps/unix/sysv/linux/sh/lowlevellock.h: Define
FUTEX_PRIVATE_FLAG. Add additional parameter to lll_futex_wait,
lll_futex_timed_wait and lll_futex_wake. Change lll_futex_wait
to call lll_futex_timed_wait. Add lll_private_futex_wait,
lll_private_futex_timed_wait and lll_private_futex_wake.
(lll_robust_mutex_unlock): Fix typo.
* sysdeps/unix/sysv/linux/sh/pthread_barrier_wait.S: Use private
field in futex command setup.
* sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S: Use
COND_NWAITERS_SHIFT instead of COND_CLOCK_BITS.
* sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S: Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_once.S: Use private futexes
if they are available. Remove clear_once_control.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_rdlock.S: Use private
futexes if they are available.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedrdlock.S: Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S: Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_unlock.S: Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_wrlock.S: Likewise.
* sysdeps/unix/sysv/linux/sh/sem_post.S: Add private futex support.
Wake only when there are waiters.
* sysdeps/unix/sysv/linux/sh/sem_wait.S: Add private futex
support. Indicate that there are waiters. Remove unnecessary
extra cancellation test.
* sysdeps/unix/sysv/linux/sh/sem_timedwait.S: Likewise. Removed
left-over duplication of __sem_wait_cleanup.
+2007-06-17 Kaz Kojima <kkojima@rr.iij4u.or.jp>
+
+ * sysdeps/unix/sysv/linux/sh/pthread_rwlock_rdlock.S:
+ (__pthread_rwlock_rdlock): Don't use non SH-3/4 instruction.
+ * sysdeps/unix/sysv/linux/sh/pthread_rwlock_wrlock.S:
+ (__pthread_rwlock_wrlock): Likewise.
+ * sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedrdlock.S:
+ (pthread_rwlock_timedrdlock): Likewise.
+ * sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S:
+ (pthread_rwlock_timedwrlock): Likewise.
+ * sysdeps/unix/sysv/linux/sh/pthread_rwlock_unlock.S:
+ (__pthread_rwlock_unlock): Likewise.
+
+2007-06-10 Kaz Kojima <kkojima@rr.iij4u.or.jp>
+
+ * sysdeps/sh/tcb-offsets.sym: Add PRIVATE_FUTEX.
+ * sysdeps/unix/sysv/linux/sh/bits/pthreadtypes.h: Include endian.h.
+ Split __flags into __flags, __shared, __pad1 and __pad2.
+ * sysdeps/unix/sysv/linux/sh/libc-lowlevellock.S: Use private
+ futexes if they are available.
+ * sysdeps/unix/sysv/linux/sh/lowlevellock.S: Adjust so that change
+ in libc-lowlevellock.S allow using private futexes.
+ * sysdeps/unix/sysv/linux/sh/lowlevellock.h: Define
+ FUTEX_PRIVATE_FLAG. Add additional parameter to lll_futex_wait,
+ lll_futex_timed_wait and lll_futex_wake. Change lll_futex_wait
+ to call lll_futex_timed_wait. Add lll_private_futex_wait,
+ lll_private_futex_timed_wait and lll_private_futex_wake.
+ (lll_robust_mutex_unlock): Fix typo.
+ * sysdeps/unix/sysv/linux/sh/pthread_barrier_wait.S: Use private
+ field in futex command setup.
+ * sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S: Use
+ COND_NWAITERS_SHIFT instead of COND_CLOCK_BITS.
+ * sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S: Likewise.
+ * sysdeps/unix/sysv/linux/sh/pthread_once.S: Use private futexes
+ if they are available. Remove clear_once_control.
+ * sysdeps/unix/sysv/linux/sh/pthread_rwlock_rdlock.S: Use private
+ futexes if they are available.
+ * sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedrdlock.S: Likewise.
+ * sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S: Likewise.
+ * sysdeps/unix/sysv/linux/sh/pthread_rwlock_unlock.S: Likewise.
+ * sysdeps/unix/sysv/linux/sh/pthread_rwlock_wrlock.S: Likewise.
+ * sysdeps/unix/sysv/linux/sh/sem_post.S: Add private futex support.
+ Wake only when there are waiters.
+ * sysdeps/unix/sysv/linux/sh/sem_wait.S: Add private futex
+ support. Indicate that there are waiters. Remove unnecessary
+ extra cancellation test.
+ * sysdeps/unix/sysv/linux/sh/sem_timedwait.S: Likewise. Removed
+ left-over duplication of __sem_wait_cleanup.
+
2007-06-07 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h: Add additional
TLS_PRE_TCB_SIZE sizeof (struct pthread)
MUTEX_FUTEX offsetof (pthread_mutex_t, __data.__lock)
POINTER_GUARD offsetof (tcbhead_t, pointer_guard)
+#ifndef __ASSUME_PRIVATE_FUTEX
+PRIVATE_FUTEX offsetof (struct pthread, header.private_futex)
+#endif
-/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
#ifndef _BITS_PTHREADTYPES_H
#define _BITS_PTHREADTYPES_H 1
+#include <endian.h>
+
#define __SIZEOF_PTHREAD_ATTR_T 36
#define __SIZEOF_PTHREAD_MUTEX_T 24
#define __SIZEOF_PTHREAD_MUTEXATTR_T 4
unsigned int __writer_wakeup;
unsigned int __nr_readers_queued;
unsigned int __nr_writers_queued;
+#if __BYTE_ORDER == __BIG_ENDIAN
+ unsigned char __pad1;
+ unsigned char __pad2;
+ unsigned char __shared;
+ /* FLAGS must stay at this position in the structure to maintain
+ binary compatibility. */
+ unsigned char __flags;
+#else
/* FLAGS must stay at this position in the structure to maintain
binary compatibility. */
- unsigned int __flags;
+ unsigned char __flags;
+ unsigned char __shared;
+ unsigned char __pad1;
+ unsigned char __pad2;
+#endif
pthread_t __writer;
} __data;
char __size[__SIZEOF_PTHREAD_RWLOCK_T];
-/* 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
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
+#include <kernel-features.h>
+
+/* All locks in libc are private. Use the kernel feature if possible. */
+#define FUTEX_PRIVATE_FLAG 128
+#ifdef __ASSUME_PRIVATE_FUTEX
+# define FUTEX_WAIT (0 | FUTEX_PRIVATE_FLAG)
+# define FUTEX_WAKE (1 | FUTEX_PRIVATE_FLAG)
+#else
+# define LOAD_FUTEX_WAIT(reg,tmp) \
+ stc gbr, tmp ; \
+ mov.w 99f, reg ; \
+ add reg, tmp ; \
+ bra 98f ; \
+ mov.l @tmp, reg ; \
+99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \
+98:
+
+# define LOAD_FUTEX_WAKE(reg,tmp) \
+ stc gbr, tmp ; \
+ mov.w 99f, reg ; \
+ add reg, tmp ; \
+ mov.l @tmp, reg ; \
+ bra 98f ; \
+ mov #FUTEX_WAKE, tmp ; \
+99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \
+98: or tmp, reg
+#endif
+
#include "lowlevellock.S"
#define SYS_gettimeofday __NR_gettimeofday
#define SYS_futex 240
-#define FUTEX_WAIT 0
-#define FUTEX_WAKE 1
+#ifndef FUTEX_WAIT
+# define FUTEX_WAIT 0
+# define FUTEX_WAKE 1
+#endif
+
+#ifndef LOAD_FUTEX_WAIT
+# if FUTEX_WAIT == 0
+# define LOAD_FUTEX_WAIT(reg,tmp) \
+ xor reg, reg
+# else
+# define LOAD_FUTEX_WAIT(reg,tmp) \
+ mov #FUTEX_WAIT, reg; \
+ extu.b reg, reg
+# endif
+# define LOAD_FUTEX_WAKE(reg,tmp) \
+ mov #FUTEX_WAKE, reg; \
+ extu.b reg, reg
+#endif
.globl __lll_mutex_lock_wait
mov r4, r6
mov r5, r8
mov #0, r7 /* No timeout. */
- mov #FUTEX_WAIT, r5
+ LOAD_FUTEX_WAIT (r5, r0)
mov #2, r4
cmp/eq r4, r6
bt 8f
mov r8, r4
- mov #FUTEX_WAIT, r5
+ LOAD_FUTEX_WAIT (r5, r0)
mov r10, r6
mov r15, r7
mov #SYS_futex, r3
.align 5
cfi_startproc
__lll_mutex_unlock_wake:
- mov #FUTEX_WAKE, r5
+ LOAD_FUTEX_WAKE (r5, r0)
mov #1, r6 /* Wake one thread. */
mov #0, r7
mov.l r7, @r4 /* Stores 0. */
bt 4f
mov r8, r4
- mov #FUTEX_WAIT, r5
+ /* XXX The kernel so far uses global futex for the wakeup at
+ all times. */
+ mov #0, r5
+ extu.b r5, r5
mov r2, r6
mov r15, r7
mov #SYS_futex, r3
#include <time.h>
#include <sys/param.h>
#include <bits/pthreadtypes.h>
+#include <kernel-features.h>
#define SYS_futex 240
#define FUTEX_WAIT 0
#define FUTEX_LOCK_PI 6
#define FUTEX_UNLOCK_PI 7
#define FUTEX_TRYLOCK_PI 8
+#define FUTEX_PRIVATE_FLAG 128
+
+
+/* Values for 'private' parameter of locking macros. Yes, the
+ definition seems to be backwards. But it is not. The bit will be
+ reversed before passing to the system call. */
+#define LLL_PRIVATE 0
+#define LLL_SHARED FUTEX_PRIVATE_FLAG
/* Initializer for compatibility lock. */
and %2,%0\n\
mov.l %0,@%1\n\
1: mov r1,r15"\
- : "=&r" (__result) : "r" (__futex), "r" (FUTEX_TID_MASK) \
+ : "=&r" (__result) : "r" (__futex), "r" (FUTEX_WAITERS) \
: "r0", "r1", "memory"); \
if (__result) \
__lll_mutex_unlock_wake (__futex); })
1: mov r1,r15"\
: "=&r" (__ignore) : "r" (__futex), "r" (FUTEX_OWNER_DIED) \
: "r0", "r1", "memory"); \
- lll_futex_wake (__futex, 1); })
+ lll_futex_wake (__futex, 1, 0); })
#define lll_mutex_islocked(futex) \
(futex != 0)
trapa #0x14"
# endif
-#define lll_futex_wait(futex, val) \
+#define lll_futex_wait(futex, val, private) \
+ lll_futex_timed_wait (futex, val, NULL, private)
+
+
+#define lll_futex_timed_wait(futex, val, timeout, private) \
({ \
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, private) \
+ 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_WAKE; \
+ register unsigned long __r6 asm ("r6") = (unsigned long) (nr); \
register unsigned long __r7 asm ("r7") = 0; \
__asm __volatile (SYSCALL_WITH_INST_PAD \
+ : "=z" (__ignore) \
+ : "r" (__r3), "r" (__r4), "r" (__r5), \
+ "r" (__r6), "r" (__r7) \
+ : "memory", "t"); \
+ } while (0)
+
+
+#define lll_private_futex_wait(futex, val) \
+ lll_private_futex_timed_wait (futex, val, NULL)
+
+
+#ifdef __ASSUME_PRIVATE_FUTEX
+# define lll_private_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 | FUTEX_PRIVATE_FLAG; \
+ 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) \
})
-#define lll_futex_timed_wait(futex, val, timeout) \
+# define lll_private_futex_wake(futex, nr) \
+ 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_WAKE | FUTEX_PRIVATE_FLAG; \
+ register unsigned long __r6 asm ("r6") = (unsigned long) (nr); \
+ register unsigned long __r7 asm ("r7") = 0; \
+ __asm __volatile (SYSCALL_WITH_INST_PAD \
+ : "=z" (__ignore) \
+ : "r" (__r3), "r" (__r4), "r" (__r5), \
+ "r" (__r6), "r" (__r7) \
+ : "memory", "t"); \
+ } while (0)
+
+
+#else
+# define lll_private_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 __r5 asm ("r5"); \
register unsigned long __r6 asm ("r6") = (unsigned long) (val); \
register unsigned long __r7 asm ("r7") = (timeout); \
+ __r5 = THREAD_GETMEM (THREAD_SELF, header.private_futex); \
__asm __volatile (SYSCALL_WITH_INST_PAD \
: "=z" (__status) \
: "r" (__r3), "r" (__r4), "r" (__r5), \
})
-#define lll_futex_wake(futex, nr) \
+# define lll_private_futex_wake(futex, nr) \
do { \
int __ignore; \
register unsigned long __r3 asm ("r3") = SYS_futex; \
register unsigned long __r5 asm ("r5") = FUTEX_WAKE; \
register unsigned long __r6 asm ("r6") = (unsigned long) (nr); \
register unsigned long __r7 asm ("r7") = 0; \
+ __r5 |= THREAD_GETMEM (THREAD_SELF, header.private_futex); \
__asm __volatile (SYSCALL_WITH_INST_PAD \
: "=z" (__ignore) \
: "r" (__r3), "r" (__r4), "r" (__r5), \
"r" (__r6), "r" (__r7) \
: "memory", "t"); \
} while (0)
+#endif
/* The states of a lock are:
do { \
__typeof (tid) *__tid = &(tid); \
while (*__tid != 0) \
- lll_futex_wait (__tid, *__tid); \
+ lll_futex_wait (__tid, *__tid, 0); \
} while (0)
extern int __lll_timedwait_tid (int *tid, const struct timespec *abstime)
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 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
#if CURR_EVENT != 0
add #CURR_EVENT, r4
#endif
+#if FUTEX_WAIT == 0
+ mov.l @(PRIVATE,r8), r5
+#else
mov #FUTEX_WAIT, r5
+ mov.l @(PRIVATE,r8), r0
+ or r0, r5
+#endif
mov #0, r7
8:
mov #SYS_futex, r3
#endif
mov #0, r7
mov #FUTEX_WAKE, r5
+ mov.l @(PRIVATE,r8), r0
+ or r0, r5
mov #SYS_futex, r3
extu.b r3, r3
trapa #0x14
-/* Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 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
mov.l @(cond_futex,r8), r0
add r2, r0
mov.l r0, @(cond_futex,r8)
- mov #(1 << clock_bits), r2
+ mov #(1 << nwaiters_shift), r2
mov.l @(cond_nwaiters,r8), r0
add r2, r0
mov.l r0, @(cond_nwaiters,r8)
#ifdef __NR_clock_gettime
/* Get the clock number. */
mov.l @(cond_nwaiters,r8), r4
- mov #((1 << clock_bits) - 1), r0
+ mov #((1 << nwaiters_shift) - 1), r0
and r0, r4
/* Only clocks 0 and 1 are allowed. Both are handled in the
kernel. */
mov.l r1,@(woken_seq+4,r8)
24:
- mov #(1 << clock_bits), r2
+ mov #(1 << nwaiters_shift), r2
mov.l @(cond_nwaiters,r8),r0
sub r2, r0
mov.l r0,@(cond_nwaiters,r8)
not r0, r0
cmp/eq #0, r0
bf/s 25f
- mov #((1 << clock_bits) - 1), r1
+ mov #((1 << nwaiters_shift) - 1), r1
not r1, r1
mov.l @(cond_nwaiters,r8),r0
tst r1, r0
mov.l r1,@(woken_seq+4,r8)
3:
- mov #(1 << clock_bits), r2
+ mov #(1 << nwaiters_shift), r2
mov.l @(cond_nwaiters,r8),r0
sub r2, r0
mov.l r0,@(cond_nwaiters,r8)
not r0, r0
cmp/eq #0, r0
bf/s 4f
- mov #((1 << clock_bits) - 1), r1
+ mov #((1 << nwaiters_shift) - 1), r1
not r1, r1
mov.l @(cond_nwaiters,r8),r0
tst r1, r0
-/* Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 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
mov.l @(cond_futex,r8),r0
add r2, r0
mov.l r0,@(cond_futex,r8)
- mov #(1 << clock_bits), r2
+ mov #(1 << nwaiters_shift), r2
mov.l @(cond_nwaiters,r8), r0
add r2, r0
mov.l r0, @(cond_nwaiters,r8)
mov.l r1,@(woken_seq+4,r8)
16:
- mov #(1 << clock_bits), r2
+ mov #(1 << nwaiters_shift), r2
mov.l @(cond_nwaiters,r8),r0
sub r2, r0
mov.l r0,@(cond_nwaiters,r8)
not r0, r0
cmp/eq #0, r0
bf/s 17f
- mov #((1 << clock_bits) - 1), r1
+ mov #((1 << nwaiters_shift) - 1), r1
not r1, r1
mov.l @(cond_nwaiters,r8),r0
tst r1, r0
mov.l r1,@(woken_seq+4,r8)
3:
- mov #(1 << clock_bits), r2
+ mov #(1 << nwaiters_shift), r2
mov.l @(cond_nwaiters,r8),r0
sub r2, r0
mov.l r0,@(cond_nwaiters,r8)
not r0, r0
cmp/eq #0, r0
bf/s 4f
- mov #((1 << clock_bits) - 1), r1
+ mov #((1 << nwaiters_shift) - 1), r1
not r1, r1
mov.l @(cond_nwaiters,r8),r0
tst r1, r0
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 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
#include <unwindbuf.h>
#include <sysdep.h>
+#include <kernel-features.h>
#include "lowlevel-atomic.h"
-#define SYS_futex 240
-#define FUTEX_WAIT 0
-#define FUTEX_WAKE 1
+#define SYS_futex 240
+#define FUTEX_WAIT 0
+#define FUTEX_WAKE 1
+#define FUTEX_PRIVATE_FLAG 128
.comm __fork_generation, 4, 4
bf 3f /* Different for generation -> run initializer. */
/* Somebody else got here first. Wait. */
- mov #FUTEX_WAIT, r5
+#if __ASSUME_PRIVATE_FUTEX
+ mov #(FUTEX_PRIVATE_FLAG|FUTEX_WAIT), r5
+ extu.b r5, r5
+#else
+ stc gbr, r1
+ mov.w .Lpfoff, r2
+ add r2, r1
+ mov.l @r1, r5
+# if FUTEX_WAIT != 0
+ mov #FUTEX_WAIT, r0
+ or r0, r5
+# endif
+#endif
mov r3, r6
mov #0, r7
mov #SYS_futex, r3
INC (@r9, r2)
/* Wake up all other threads. */
mov r9, r4
- mov #FUTEX_WAKE, r5
+#if __ASSUME_PRIVATE_FUTEX
+ mov #(FUTEX_PRIVATE_FLAG|FUTEX_WAKE), r5
+ extu.b r5, r5
+#else
+ stc gbr, r1
+ mov.w .Lpfoff, r2
+ add r2, r1
+ mov.l @r1, r5
+ mov #FUTEX_WAKE, r0
+ or r0, r5
+#endif
mov #-1, r6
shlr r6 /* r6 = 0x7fffffff */
mov #0, r7
mov #0, r7
mov.l r7, @r9
mov r9, r4
- mov #FUTEX_WAKE, r5
+#if __ASSUME_PRIVATE_FUTEX
+ mov #(FUTEX_PRIVATE_FLAG|FUTEX_WAKE), r5
+#else
+ stc gbr, r1
+ mov.w .Lpfoff, r2
+ add r2, r1
+ mov.l @r1, r5
+ mov #FUTEX_WAKE, r0
+ or r0, r5
+#endif
+ extu.b r5, r5
mov #-1, r6
shlr r6 /* r6 = 0x7fffffff */
mov #SYS_futex, r3
sleep
cfi_endproc
+#if !__ASSUME_PRIVATE_FUTEX
+.Lpfoff:
+ .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE
+#endif
.align 2
.Lsigsetjmp:
.long __sigsetjmp@PLT-(.Lsigsetjmp0-.)
.globl pthread_once
pthread_once = __pthread_once
-
-
- .type clear_once_control,@function
- .align 5
-clear_once_control:
- mov #0, r0
- mov.l r0, @r4
-
- mov #FUTEX_WAKE, r5
- mov #-1, r6
- shlr r6 /* r6 = 0x7fffffff */
- mov #0, r7
- mov #SYS_futex, r3
- extu.b r3, r3
- trapa #0x14
- SYSCALL_INST_PAD
-
- rts
- nop
- .size clear_once_control,.-clear_once_control
-/* 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
#include <lowlevelrwlock.h>
#include <pthread-errnos.h>
#include <tcb-offsets.h>
+#include <kernel-features.h>
#include "lowlevel-atomic.h"
#define SYS_futex 240
#define FUTEX_WAIT 0
#define FUTEX_WAKE 1
+#define FUTEX_PRIVATE_FLAG 128
.text
mov.l @(WRITERS_QUEUED,r8), r0
tst r0, r0
bt 5f
- mov.l @(FLAGS,r8), r0
+ mov #FLAGS, r0
+ mov.b @(r0,r8), r0
tst r0, r0
bt 5f
3:
tst r2, r2
bf 10f
11:
+#if __ASSUME_PRIVATE_FUTEX
+ mov #PSHARED, r0
+ mov.b @(r0,r8), r5
+ mov #(FUTEX_PRIVATE_FLAG|FUTEX_WAIT), r0
+ xor r0, r5
+ extu.b r5, r5
+#else
+ mov #PSHARED, r0
+ mov.b @(r0,r8), r5
+ extu.b r5, r5
+# if FUTEX_WAIT != 0
+ mov #FUTEX_WAIT, r0
+ or r0, r5
+# endif
+ stc gbr, r1
+ mov.w .Lpfoff, r2
+ add r2, r1
+ mov.l @r1, r0
+ xor r0, r5
+#endif
mov r8, r4
add #READERS_WAKEUP, r4
- mov #FUTEX_WAIT, r5
mov r9, r6
mov #0, r7
mov #SYS_futex, r3
rts
mov r3, r0
+#if !__ASSUME_PRIVATE_FUTEX
+.Lpfoff:
+ .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE
+#endif
+
1:
mov r8, r5
#if MUTEX != 0
-/* 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
#include <lowlevelrwlock.h>
#include <pthread-errnos.h>
#include <tcb-offsets.h>
+#include <kernel-features.h>
#include "lowlevel-atomic.h"
#define SYS_gettimeofday __NR_gettimeofday
#define SYS_futex 240
#define FUTEX_WAIT 0
#define FUTEX_WAKE 1
+#define FUTEX_PRIVATE_FLAG 128
.text
mov.l @(WRITERS_QUEUED,r8), r0
tst r0, r0
bt 5f
- mov.l @(FLAGS,r8), r0
+ mov #FLAGS, r0
+ mov.b @(r0,r8), r0
tst r0, r0
bt 5f
3:
/* Futex call. */
mov r15, r7
- mov #FUTEX_WAIT, r5
+#if __ASSUME_PRIVATE_FUTEX
+ mov #PSHARED, r0
+ mov.b @(r0,r8), r5
+ mov #(FUTEX_PRIVATE_FLAG|FUTEX_WAIT), r0
+ xor r0, r5
+ extu.b r5, r5
+#else
+ mov #PSHARED, r0
+ mov.b @(r0,r8), r5
+ extu.b r5, r5
+# if FUTEX_WAIT != 0
+ mov #FUTEX_WAIT, r0
+ or r0, r5
+# endif
+ stc gbr, r1
+ mov.w .Lpfoff, r2
+ add r2, r1
+ mov.l @r1, r0
+ xor r0, r5
+#endif
mov r10, r6
mov r8, r4
add #READERS_WAKEUP, r4
rts
mov r3, r0
+#if !__ASSUME_PRIVATE_FUTEX
+.Lpfoff:
+ .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE
+#endif
.align 2
.L1k0:
.long 1000
-/* 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
#include <lowlevelrwlock.h>
#include <pthread-errnos.h>
#include <tcb-offsets.h>
+#include <kernel-features.h>
#include "lowlevel-atomic.h"
#define SYS_gettimeofday __NR_gettimeofday
#define SYS_futex 240
#define FUTEX_WAIT 0
#define FUTEX_WAKE 1
+#define FUTEX_PRIVATE_FLAG 128
.text
/* Futex call. */
mov r15, r7
- mov #FUTEX_WAIT, r5
+#if __ASSUME_PRIVATE_FUTEX
+ mov #PSHARED, r0
+ mov.b @(r0,r8), r5
+ mov #(FUTEX_PRIVATE_FLAG|FUTEX_WAIT), r0
+ xor r0, r5
+ extu.b r5, r5
+#else
+ mov #PSHARED, r0
+ mov.b @(r0,r8), r5
+ extu.b r5, r5
+# if FUTEX_WAIT != 0
+ mov #FUTEX_WAIT, r0
+ or r0, r5
+# endif
+ stc gbr, r1
+ mov.w .Lpfoff, r2
+ add r2, r1
+ mov.l @r1, r0
+ xor r0, r5
+#endif
mov r10, r6
mov r8, r4
add #WRITERS_WAKEUP, r4
rts
mov r3, r0
+#if !__ASSUME_PRIVATE_FUTEX
+.Lpfoff:
+ .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE
+#endif
.L1k1:
.word 1000
.align 2
-/* 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
#include <sysdep.h>
#include <lowlevelrwlock.h>
+#include <kernel-features.h>
#include "lowlevel-atomic.h"
#define SYS_futex 240
#define FUTEX_WAIT 0
#define FUTEX_WAKE 1
+#define FUTEX_PRIVATE_FLAG 128
.text
bf 7f
8:
- mov #FUTEX_WAKE, r5
+#if __ASSUME_PRIVATE_FUTEX
+ mov #PSHARED, r0
+ mov.b @(r0,r8), r5
+ mov #(FUTEX_PRIVATE_FLAG|FUTEX_WAKE), r0
+ xor r0, r5
+ extu.b r5, r5
+#else
+ mov #PSHARED, r0
+ mov.b @(r0,r8), r5
+ extu.b r5, r5
+ mov #FUTEX_WAKE, r0
+ or r0, r5
+ stc gbr, r1
+ mov.w .Lpfoff, r2
+ add r2, r1
+ mov.l @r1, r0
+ xor r0, r5
+#endif
mov #SYS_futex, r3
mov #0, r7
extu.b r3, r3
bra 8b
mov.l @r15+, r4
+#if !__ASSUME_PRIVATE_FUTEX
+.Lpfoff:
+ .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE
+#endif
.align 2
.Lwait8:
.long __lll_mutex_lock_wait-.Lwait8b
-/* 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
#include <lowlevelrwlock.h>
#include <pthread-errnos.h>
#include <tcb-offsets.h>
+#include <kernel-features.h>
#include "lowlevel-atomic.h"
#define SYS_futex 240
#define FUTEX_WAIT 0
#define FUTEX_WAKE 1
+#define FUTEX_PRIVATE_FLAG 128
.text
11:
mov r8, r4
add #WRITERS_WAKEUP, r4
- mov #FUTEX_WAIT, r5
+#if __ASSUME_PRIVATE_FUTEX
+ mov #PSHARED, r0
+ mov.b @(r0,r8), r5
+ mov #(FUTEX_PRIVATE_FLAG|FUTEX_WAIT), r0
+ xor r0, r5
+ extu.b r5, r5
+#else
+ mov #PSHARED, r0
+ mov.b @(r0,r8), r5
+ extu.b r5, r5
+# if FUTEX_WAIT != 0
+ mov #FUTEX_WAIT, r0
+ or r0, r5
+# endif
+ stc gbr, r1
+ mov.w .Lpfoff, r2
+ add r2, r1
+ mov.l @r1, r0
+ xor r0, r5
+#endif
mov r9, r6
mov #0, r7
mov #SYS_futex, r3
bra 7b
mov #0, r3
+#if !__ASSUME_PRIVATE_FUTEX
+.Lpfoff:
+ .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE
+#endif
.Ltidoff:
.word TID - TLS_PRE_TCB_SIZE
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 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
#include <sysdep.h>
#include <shlib-compat.h>
#include <pthread-errnos.h>
+#include <structsem.h>
#include "lowlevel-atomic.h"
.align 5
__new_sem_post:
mov #1, r3
- XADD (r3, @r4, r2)
-
+ XADD (r3, @(VALUE,r4), r2)
+ mov.l @(NWAITERS,r4), r2
+ tst r2, r2
+ bt 2f
mov #FUTEX_WAKE, r5
- mov r2, r6
- add #1, r6
+ mov.l @(PRIVATE,r4), r1
+ or r1, r5
+ mov #1, r6
mov #0, r7
mov #SYS_futex, r3
extu.b r3, r3
cmp/pz r0
bf 1f
+2:
rts
mov #0, r0
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 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
#include <shlib-compat.h>
#include <pthread-errnos.h>
#include <tcb-offsets.h>
+#include <structsem.h>
#include "lowlevel-atomic.h"
#define SYS_gettimeofday __NR_gettimeofday
#define SYS_futex 240
#define FUTEX_WAIT 0
-#define FUTEX_WAKE 1
+
+#if VALUE != 0
+# error "code needs to be rewritten for VALUE != 0"
+#endif
.text
.globl sem_timedwait
.type sem_timedwait,@function
.align 5
- cfi_startproc
sem_timedwait:
- /* First check for cancellation. */
- stc gbr, r0
- mov.w .Lchand, r1
- mov.l @(r0,r1), r0
- mov #0xf9, r1
- and r1, r0
- cmp/eq #8, r0
- bf 0f
- bra 10f
- stc gbr, r0
-0:
+.LSTARTCODE:
mov.l @r4, r0
2:
tst r0, r0
1:
/* Check whether the timeout value is valid. */
mov.l r8, @-r15
- cfi_adjust_cfa_offset(4)
- cfi_rel_offset (r8, 0)
+.Lpush_r8:
mov.l r9, @-r15
- cfi_adjust_cfa_offset(4)
- cfi_rel_offset (r9, 0)
+.Lpush_r9:
mov.l r10, @-r15
- cfi_adjust_cfa_offset(4)
- cfi_rel_offset (r10, 0)
+.Lpush_r10:
mov.l r12, @-r15
- cfi_adjust_cfa_offset(4)
- cfi_rel_offset (r12, 0)
+.Lpush_r12:
sts.l pr, @-r15
- cfi_adjust_cfa_offset(4)
- cfi_rel_offset (pr, 0)
+.Lpush_pr:
add #-8, r15
- cfi_adjust_cfa_offset(8)
+.Lalloc:
mov r4, r8
mov r5, r9
cmp/hs r1, r0
bt/s 6f
mov #EINVAL, r0
-7:
- mov.l .Lenable0, r1
- bsrf r1
- nop
-.Lenable0b:
- mov r0, r10
+ INC (@(NWAITERS,r8),r2)
+7:
/* Compute relative timeout. */
mov r15, r4
mov #0, r5
mov.l r2, @r15
mov.l r3, @(4,r15)
- /* Futex call. */
+.LcleanupSTART:
+ mov.l .Lenable0, r1
+ bsrf r1
+ nop
+.Lenable0b:
+ mov r0, r10
+
mov r8, r4
- mov #FUTEX_WAIT, r5
+#if FUTEX_WAIT == 0
+ mov.l @(PRIVATE,r8), r5
+#else
+ mov.l @(PRIVATE,r8), r5
+ mov #FUTEX_WAIT, r0
+ or r0, r5
+#endif
mov #0, r6
mov r15, r7
mov #SYS_futex, r3
mov r0, r10
.Ldisable0b:
mov r10, r0
+.LcleanupEND:
tst r0, r0
bt 9f
bf/s 8b
mov r2, r0
+ DEC (@(NWAITERS,r8), r2)
+ mov #0, r0
+
+10:
add #8, r15
lds.l @r15+, pr
mov.l @r15+, r12
mov.l @r15+, r9
mov.l @r15+, r8
rts
- mov #0, r0
+ nop
3:
neg r0, r0
6:
- mov r0, r8
+ mov r0, r10
mova .Lgot2, r0
mov.l .Lgot2, r12
add r0, r12
stc gbr, r1
mov.l @(r0, r12), r0
add r1, r0
- mov.l r8, @r0
+ mov.l r10, @r0
#else
mov.l .Lerrloc2, r1
bsrf r1
nop
.Lerrloc2b:
- mov.l r8, @r0
+ mov.l r10, @r0
#endif
- add #8, r15
- lds.l @r15+, pr
- mov.l @r15+, r12
- mov.l @r15+, r10
- mov.l @r15+, r9
- mov.l @r15+, r8
- rts
+ DEC (@(NWAITERS,r8), r2)
+ bra 10b
mov #-1, r0
-10:
- /* Canceled. */
- mov.w .Lresult, r1
- mov #-1, r2
- mov.l r2, @(r0,r1)
- mov.w .Lchand, r0
- or.b #0x10, @(r0,gbr)
- stc gbr, r0
- mov.w .Lclbuf, r1
- mov.l .Lunwind, r2
- braf r2
- mov.l @(r0,r1), r4
-.Lunwindb:
- cfi_endproc
-
.L1k:
.word 1000
-.Lchand:
- .word CANCELHANDLING - TLS_PRE_TCB_SIZE
-.Lresult:
- .word RESULT - TLS_PRE_TCB_SIZE
-.Lclbuf:
- .word CLEANUP_JMP_BUF - TLS_PRE_TCB_SIZE
.align 2
.L1g:
.long 1000000000
.long __pthread_enable_asynccancel-.Lenable0b
.Ldisable0:
.long __pthread_disable_asynccancel-.Ldisable0b
-.Lunwind:
- .long HIDDEN_JUMPTARGET (__pthread_unwind)-.Lunwindb
.size sem_timedwait,.-sem_timedwait
+
+ .type sem_wait_cleanup,@function
+sem_wait_cleanup:
+ DEC (@(NWAITERS,r8), r2)
+.LcallUR:
+ mov.l .Lresume, r1
+#ifdef PIC
+ add r12, r1
+#endif
+ jsr @r1
+ nop
+ sleep
+
+ .align 2
+.Lresume:
+#ifdef PIC
+ .long _Unwind_Resume@GOTOFF
+#else
+ .long _Unwind_Resume
+#endif
+.LENDCODE:
+ .size sem_wait_cleanup,.-sem_wait_cleanup
+
+
+ .section .gcc_except_table,"a",@progbits
+.LexceptSTART:
+ .byte 0xff ! @LPStart format (omit)
+ .byte 0xff ! @TType format (omit)
+ .byte 0x01 ! call-site format
+ ! DW_EH_PE_uleb128
+ .uleb128 .Lcstend-.Lcstbegin
+.Lcstbegin:
+ .uleb128 .LcleanupSTART-.LSTARTCODE
+ .uleb128 .LcleanupEND-.LcleanupSTART
+ .uleb128 sem_wait_cleanup-.LSTARTCODE
+ .uleb128 0
+ .uleb128 .LcallUR-.LSTARTCODE
+ .uleb128 .LENDCODE-.LcallUR
+ .uleb128 0
+ .uleb128 0
+.Lcstend:
+
+
+ .section .eh_frame,"a",@progbits
+.LSTARTFRAME:
+ .ualong .LENDCIE-.LSTARTCIE ! Length of the CIE.
+.LSTARTCIE:
+ .ualong 0 ! CIE ID.
+ .byte 1 ! Version number.
+#ifdef SHARED
+ .string "zPLR" ! NUL-terminated augmentation
+ ! string.
+#else
+ .string "zPL" ! NUL-terminated augmentation
+ ! string.
+#endif
+ .uleb128 1 ! Code alignment factor.
+ .sleb128 -4 ! Data alignment factor.
+ .byte 0x11 ! Return address register
+ ! column.
+#ifdef SHARED
+ .uleb128 7 ! Augmentation value length.
+ .byte 0x9b ! Personality: DW_EH_PE_pcrel
+ ! + DW_EH_PE_sdata4
+ ! + DW_EH_PE_indirect
+ .ualong DW.ref.__gcc_personality_v0-.
+ .byte 0x1b ! LSDA Encoding: DW_EH_PE_pcrel
+ ! + DW_EH_PE_sdata4.
+ .byte 0x1b ! FDE Encoding: DW_EH_PE_pcrel
+ ! + DW_EH_PE_sdata4.
+#else
+ .uleb128 6 ! Augmentation value length.
+ .byte 0x0 ! Personality: absolute
+ .ualong __gcc_personality_v0
+ .byte 0x0 ! LSDA Encoding: absolute
+#endif
+ .byte 0x0c ! DW_CFA_def_cfa
+ .uleb128 0xf
+ .uleb128 0
+ .align 4
+.LENDCIE:
+
+ .ualong .LENDFDE-.LSTARTFDE ! Length of the FDE.
+.LSTARTFDE:
+ .ualong .LSTARTFDE-.LSTARTFRAME ! CIE pointer.
+#ifdef SHARED
+ .ualong .LSTARTCODE-. ! PC-relative start address
+ ! of the code.
+#else
+ .ualong .LSTARTCODE ! Start address of the code.
+#endif
+ .ualong .LENDCODE-.LSTARTCODE ! Length of the code.
+ .uleb128 4 ! Augmentation size
+#ifdef SHARED
+ .ualong .LexceptSTART-.
+#else
+ .ualong .LexceptSTART
+#endif
+
+ .byte 4 ! DW_CFA_advance_loc4
+ .ualong .Lpush_r8-.LSTARTCODE
+ .byte 14 ! DW_CFA_def_cfa_offset
+ .uleb128 4
+ .byte 0x88 ! DW_CFA_offset r8
+ .uleb128 1
+ .byte 4 ! DW_CFA_advance_loc4
+ .ualong .Lpush_r9-.Lpush_r8
+ .byte 14 ! DW_CFA_def_cfa_offset
+ .uleb128 8
+ .byte 0x89 ! DW_CFA_offset r9
+ .uleb128 2
+ .byte 4 ! DW_CFA_advance_loc4
+ .ualong .Lpush_r10-.Lpush_r9
+ .byte 14 ! DW_CFA_def_cfa_offset
+ .uleb128 12
+ .byte 0x8a ! DW_CFA_offset r10
+ .uleb128 3
+ .byte 4 ! DW_CFA_advance_loc4
+ .ualong .Lpush_r12-.Lpush_r10
+ .byte 14 ! DW_CFA_def_cfa_offset
+ .uleb128 16
+ .byte 0x8c ! DW_CFA_offset r12
+ .uleb128 4
+ .byte 4 ! DW_CFA_advance_loc4
+ .ualong .Lpush_pr-.Lpush_r12
+ .byte 14 ! DW_CFA_def_cfa_offset
+ .uleb128 20
+ .byte 0x91 ! DW_CFA_offset pr
+ .uleb128 5
+ .byte 4 ! DW_CFA_advance_loc4
+ .ualong .Lalloc-.Lpush_pr
+ .byte 14 ! DW_CFA_def_cfa_offset
+ .uleb128 28
+ .align 4
+.LENDFDE:
+
+
+#ifdef SHARED
+ .hidden DW.ref.__gcc_personality_v0
+ .weak DW.ref.__gcc_personality_v0
+ .section .gnu.linkonce.d.DW.ref.__gcc_personality_v0,"aw",@progbits
+ .align 4
+ .type DW.ref.__gcc_personality_v0, @object
+ .size DW.ref.__gcc_personality_v0, 4
+DW.ref.__gcc_personality_v0:
+ .long __gcc_personality_v0
+#endif
#include <shlib-compat.h>
#include <pthread-errnos.h>
#include <tcb-offsets.h>
+#include <structsem.h>
#include "lowlevel-atomic.h"
#define SYS_gettimeofday __NR_gettimeofday
#define SYS_futex 240
#define FUTEX_WAIT 0
-#define FUTEX_WAKE 1
+
+#if VALUE != 0
+# error "code needs to be rewritten for VALUE != 0"
+#endif
.text
.globl __new_sem_wait
.type __new_sem_wait,@function
.align 5
- cfi_startproc
__new_sem_wait:
- /* First check for cancellation. */
- stc gbr, r0
- mov.w .Lchand, r1
- mov.l @(r0,r1), r0
- mov #0xf9, r1
- and r1, r0
- cmp/eq #8, r0
- bt 5f
-
+.LSTARTCODE:
mov.l r8, @-r15
- cfi_adjust_cfa_offset(4)
- cfi_rel_offset (r8, 0)
+.Lpush_r8:
mov.l r10, @-r15
- cfi_adjust_cfa_offset(4)
- cfi_rel_offset (r10, 0)
+.Lpush_r10:
mov.l r12, @-r15
- cfi_adjust_cfa_offset(4)
- cfi_rel_offset (r12, 0)
+.Lpush_r12:
sts.l pr, @-r15
- cfi_adjust_cfa_offset(4)
- cfi_rel_offset (pr, 0)
+.Lpush_pr:
mov r4, r8
-3:
+
mov.l @r8, r0
2:
tst r0, r0
CMPXCHG (r4, @r8, r3, r2)
bf/s 2b
mov r2, r0
- bra 9f
- mov #0, r0
+7:
+ mov #0, r0
+9:
+ lds.l @r15+, pr
+ mov.l @r15+, r12
+ mov.l @r15+, r10
+ rts
+ mov.l @r15+, r8
+.Lafter_ret:
1:
+ INC (@(NWAITERS,r8),r2)
+
+.LcleanupSTART:
+6:
mov.l .Lenable0, r1
bsrf r1
nop
mov r0, r10
mov r8, r4
- mov #FUTEX_WAIT, r5
+#if FUTEX_WAIT == 0
+ mov.l @(PRIVATE,r8), r5
+#else
+ mov.l @(PRIVATE,r8), r5
+ mov #FUTEX_WAIT, r0
+ or r0, r5
+#endif
mov #0, r6
mov #0, r7
mov #SYS_futex, r3
mov r0, r10
.Ldisable0b:
mov r10, r0
+.LcleanupEND:
tst r0, r0
- bt 3b
+ bt 3f
cmp/eq #-EWOULDBLOCK, r0
- bt 3b
- neg r0, r0
+ bf 4f
+
+3:
+ mov.l @r8, r0
+5:
+ tst r0, r0
+ bt 6b
+
+ mov r0, r3
+ mov r0, r4
+ add #-1, r3
+ CMPXCHG (r4, @r8, r3, r2)
+ bf/s 5b
+ mov r2, r0
+
+ DEC (@(NWAITERS,r8), r2)
+ bra 7b
+ nop
- mov r0, r8
+4:
+ neg r0, r0
+ mov r0, r4
+ DEC (@(NWAITERS,r8), r2)
+ mov r4, r8
mova .Lgot0, r0
mov.l .Lgot0, r12
add r0, r12
.Lerrloc0b:
mov.l r8, @r0
#endif
- mov #-1, r0
-9:
- lds.l @r15+, pr
- mov.l @r15+, r12
- mov.l @r15+, r10
- rts
- mov.l @r15+, r8
-5:
- /* Canceled. */
- stc gbr, r0
- mov.w .Lresult, r1
- mov #-1, r2
- mov.l r2, @(r0,r1)
- mov.w .Lchand, r0
- or.b #0x10, @(r0,gbr)
- stc gbr, r0
- mov.w .Lclbuf, r1
- mov.l .Lunwind, r2
- braf r2
- mov.l @(r0,r1), r4
-.Lunwindb:
- cfi_endproc
-
-.Lchand:
- .word CANCELHANDLING - TLS_PRE_TCB_SIZE
-.Lresult:
- .word RESULT - TLS_PRE_TCB_SIZE
-.Lclbuf:
- .word CLEANUP_JMP_BUF - TLS_PRE_TCB_SIZE
- .align 2
+ bra 9b
+ mov #-1, r0
+
.Lgot0:
.long _GLOBAL_OFFSET_TABLE_
#if USE___THREAD
.long __pthread_enable_asynccancel-.Lenable0b
.Ldisable0:
.long __pthread_disable_asynccancel-.Ldisable0b
-.Lunwind:
- .long HIDDEN_JUMPTARGET (__pthread_unwind)-.Lunwindb
.size __new_sem_wait,.-__new_sem_wait
versioned_symbol(libpthread, __new_sem_wait, sem_wait, GLIBC_2_1)
+
+
+ .type sem_wait_cleanup,@function
+sem_wait_cleanup:
+ DEC (@(NWAITERS,r8), r2)
+.LcallUR:
+ mov.l .Lresume, r1
+#ifdef PIC
+ add r12, r1
+#endif
+ jsr @r1
+ nop
+ sleep
+
+ .align 2
+.Lresume:
+#ifdef PIC
+ .long _Unwind_Resume@GOTOFF
+#else
+ .long _Unwind_Resume
+#endif
+.LENDCODE:
+ .size sem_wait_cleanup,.-sem_wait_cleanup
+
+
+ .section .gcc_except_table,"a",@progbits
+.LexceptSTART:
+ .byte 0xff ! @LPStart format (omit)
+ .byte 0xff ! @TType format (omit)
+ .byte 0x01 ! call-site format
+ ! DW_EH_PE_uleb128
+ .uleb128 .Lcstend-.Lcstbegin
+.Lcstbegin:
+ .uleb128 .LcleanupSTART-.LSTARTCODE
+ .uleb128 .LcleanupEND-.LcleanupSTART
+ .uleb128 sem_wait_cleanup-.LSTARTCODE
+ .uleb128 0
+ .uleb128 .LcallUR-.LSTARTCODE
+ .uleb128 .LENDCODE-.LcallUR
+ .uleb128 0
+ .uleb128 0
+.Lcstend:
+
+
+ .section .eh_frame,"a",@progbits
+.LSTARTFRAME:
+ .ualong .LENDCIE-.LSTARTCIE ! Length of the CIE.
+.LSTARTCIE:
+ .ualong 0 ! CIE ID.
+ .byte 1 ! Version number.
+#ifdef SHARED
+ .string "zPLR" ! NUL-terminated augmentation
+ ! string.
+#else
+ .string "zPL" ! NUL-terminated augmentation
+ ! string.
+#endif
+ .uleb128 1 ! Code alignment factor.
+ .sleb128 -4 ! Data alignment factor.
+ .byte 0x11 ! Return address register
+ ! column.
+#ifdef SHARED
+ .uleb128 7 ! Augmentation value length.
+ .byte 0x9b ! Personality: DW_EH_PE_pcrel
+ ! + DW_EH_PE_sdata4
+ ! + DW_EH_PE_indirect
+ .ualong DW.ref.__gcc_personality_v0-.
+ .byte 0x1b ! LSDA Encoding: DW_EH_PE_pcrel
+ ! + DW_EH_PE_sdata4.
+ .byte 0x1b ! FDE Encoding: DW_EH_PE_pcrel
+ ! + DW_EH_PE_sdata4.
+#else
+ .uleb128 6 ! Augmentation value length.
+ .byte 0x0 ! Personality: absolute
+ .ualong __gcc_personality_v0
+ .byte 0x0 ! LSDA Encoding: absolute
+#endif
+ .byte 0x0c ! DW_CFA_def_cfa
+ .uleb128 0xf
+ .uleb128 0
+ .align 4
+.LENDCIE:
+
+ .ualong .LENDFDE-.LSTARTFDE ! Length of the FDE.
+.LSTARTFDE:
+ .ualong .LSTARTFDE-.LSTARTFRAME ! CIE pointer.
+#ifdef SHARED
+ .ualong .LSTARTCODE-. ! PC-relative start address
+ ! of the code.
+#else
+ .ualong .LSTARTCODE ! Start address of the code.
+#endif
+ .ualong .LENDCODE-.LSTARTCODE ! Length of the code.
+ .uleb128 4 ! Augmentation size
+#ifdef SHARED
+ .ualong .LexceptSTART-.
+#else
+ .ualong .LexceptSTART
+#endif
+
+ .byte 4 ! DW_CFA_advance_loc4
+ .ualong .Lpush_r8-.LSTARTCODE
+ .byte 14 ! DW_CFA_def_cfa_offset
+ .uleb128 4
+ .byte 0x88 ! DW_CFA_offset r8
+ .uleb128 1
+ .byte 4 ! DW_CFA_advance_loc4
+ .ualong .Lpush_r10-.Lpush_r8
+ .byte 14 ! DW_CFA_def_cfa_offset
+ .uleb128 8
+ .byte 0x8a ! DW_CFA_offset r10
+ .uleb128 2
+ .byte 4 ! DW_CFA_advance_loc4
+ .ualong .Lpush_r12-.Lpush_r10
+ .byte 14 ! DW_CFA_def_cfa_offset
+ .uleb128 12
+ .byte 0x8c ! DW_CFA_offset r12
+ .uleb128 3
+ .byte 4 ! DW_CFA_advance_loc4
+ .ualong .Lpush_pr-.Lpush_r12
+ .byte 14 ! DW_CFA_def_cfa_offset
+ .uleb128 16
+ .byte 0x91 ! DW_CFA_offset pr
+ .uleb128 4
+ .align 4
+.LENDFDE:
+
+
+#ifdef SHARED
+ .hidden DW.ref.__gcc_personality_v0
+ .weak DW.ref.__gcc_personality_v0
+ .section .gnu.linkonce.d.DW.ref.__gcc_personality_v0,"aw",@progbits
+ .align 4
+ .type DW.ref.__gcc_personality_v0, @object
+ .size DW.ref.__gcc_personality_v0, 4
+DW.ref.__gcc_personality_v0:
+ .long __gcc_personality_v0
+#endif
projects / platform / upstream / linaro-glibc.git / commitdiff