* intl/dcigettext.c (_nl_find_msg): Free encoding if __gconv_open

failed.
	* intl/finddomain.c (_nl_find_domain): Free normalized_codeset
	on failure.

	* elf/dl-load.c (decompose_rpath): Free copy if result couldn't be
	allocated.

2007-08-03  Jakub Jelinek  <jakub@redhat.com>
This commit is contained in:
Ulrich Drepper 2007-08-03 15:50:30 +00:00
parent 96c502084a
commit ce31a3b1c5
24 changed files with 599 additions and 412 deletions

View File

@ -1,3 +1,13 @@
2007-08-03 Jakub Jelinek <jakub@redhat.com>
* intl/dcigettext.c (_nl_find_msg): Free encoding if __gconv_open
failed.
* intl/finddomain.c (_nl_find_domain): Free normalized_codeset
on failure.
* elf/dl-load.c (decompose_rpath): Free copy if result couldn't be
allocated.
2007-08-03 Jakub Jelinek <jakub@redhat.com>
* rt/mqueue.h (mq_timedreceive, mq_timedsend): Fix nonnull argument

View File

@ -578,6 +578,7 @@ decompose_rpath (struct r_search_path_struct *sps,
* sizeof (*result));
if (result == NULL)
{
free (copy);
errstring = N_("cannot create cache for search path");
signal_error:
_dl_signal_error (ENOMEM, NULL, NULL, errstring);

View File

@ -949,7 +949,10 @@ _nl_find_msg (domain_file, domainbinding, msgid, convert, lengthp)
nothing to do. Otherwise do not use the
translation at all. */
if (__builtin_expect (r != __GCONV_NULCONV, 1))
return NULL;
{
free ((char *) encoding);
return NULL;
}
convd->conv = (__gconv_t) -1;
}

View File

@ -143,7 +143,7 @@ _nl_find_domain (dirname, locale, domainname, domainbinding)
if (retval == NULL)
/* This means we are out of core. */
return NULL;
goto out;
if (retval->decided <= 0)
_nl_load_domain (retval, domainbinding);
@ -159,6 +159,7 @@ _nl_find_domain (dirname, locale, domainname, domainbinding)
}
}
out:
/* The space for normalized_codeset is dynamically allocated. Free it. */
if (mask & XPG_NORM_CODESET)
free ((void *) normalized_codeset);

View File

@ -1,3 +1,7 @@
2007-08-03 Jakub Jelinek <jakub@redhat.com>
* locales/translit_combining: Add U0141 and U0142.
2007-07-30 Jakub Jelinek <jakub@redhat.com>
* tst-strptime.c (do_test): Use %tu in fmt string for ptrdiff_t value.

View File

@ -16,32 +16,4 @@
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"

View File

@ -18,45 +18,112 @@
#include <sysdep.h>
#include <pthread-errnos.h>
#include <kernel-features.h>
#include <lowlevellock.h>
#include "lowlevel-atomic.h"
.text
#define SYS_gettimeofday __NR_gettimeofday
#define SYS_futex 240
#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; \
#ifdef __ASSUME_PRIVATE_FUTEX
# define LOAD_PRIVATE_FUTEX_WAIT(reg,tmp,tmp2) \
mov #(FUTEX_WAIT | FUTEX_PRIVATE_FLAG), reg; \
extu.b reg, reg
# define LOAD_PRIVATE_FUTEX_WAKE(reg,tmp,tmp2) \
mov #(FUTEX_WAKE | FUTEX_PRIVATE_FLAG), reg; \
extu.b reg, reg
# define LOAD_FUTEX_WAIT(reg,tmp,tmp2) \
mov #(FUTEX_WAIT | FUTEX_PRIVATE_FLAG), tmp; \
extu.b tmp, tmp; \
xor tmp, reg
# define LOAD_FUTEX_WAKE(reg,tmp,tmp2) \
mov #(FUTEX_WAKE | FUTEX_PRIVATE_FLAG), tmp; \
extu.b tmp, tmp; \
xor tmp, reg
#else
# if FUTEX_WAIT == 0
# define LOAD_PRIVATE_FUTEX_WAIT(reg,tmp,tmp2) \
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:
# else
# define LOAD_PRIVATE_FUTEX_WAIT(reg,tmp,tmp2) \
stc gbr, tmp ; \
mov.w 99f, reg ; \
add reg, tmp ; \
mov.l @tmp, reg ; \
bra 98f ; \
mov #FUTEX_WAIT, tmp ; \
99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \
98: or tmp, reg
# endif
# define LOAD_PRIVATE_FUTEX_WAKE(reg,tmp,tmp2) \
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
# if FUTEX_WAIT == 0
# define LOAD_FUTEX_WAIT(reg,tmp,tmp2) \
stc gbr, tmp ; \
mov.w 99f, tmp2 ; \
add tmp2, tmp ; \
mov.l @tmp, tmp2 ; \
bra 98f ; \
mov #FUTEX_PRIVATE_FLAG, tmp
99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \
98: extu.b tmp, tmp ; \
xor tmp, reg ; \
and tmp2, reg
# else
# define LOAD_FUTEX_WAIT(reg,tmp,tmp2) \
stc gbr, tmp ; \
mov.w 99f, tmp2 ; \
add tmp2, tmp ; \
mov.l @tmp, tmp2 ; \
bra 98f ; \
mov #FUTEX_PRIVATE_FLAG, tmp
99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \
98: extu.b tmp, tmp ; \
xor tmp, reg ; \
and tmp2, reg ; \
mov #FUTEX_WAIT, tmp ; \
or tmp, reg
# endif
# define LOAD_FUTEX_WAKE(reg,tmp) \
mov #FUTEX_WAKE, reg; \
extu.b reg, reg
stc gbr, tmp ; \
mov.w 99f, tmp2 ; \
add tmp2, tmp ; \
mov.l @tmp, tmp2 ; \
bra 98f ; \
mov #FUTEX_PRIVATE_FLAG, tmp
99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \
98: extu.b tmp, tmp ; \
xor tmp, reg ; \
and tmp2, reg ; \
mov #FUTEX_WAKE, tmp ; \
or tmp, reg
#endif
.globl __lll_mutex_lock_wait
.type __lll_mutex_lock_wait,@function
.hidden __lll_mutex_lock_wait
.globl __lll_lock_wait_private
.type __lll_lock_wait_private,@function
.hidden __lll_lock_wait_private
.align 5
cfi_startproc
__lll_mutex_lock_wait:
__lll_lock_wait_private:
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. */
LOAD_FUTEX_WAIT (r5, r0)
LOAD_PRIVATE_FUTEX_WAIT (r5, r0, r1)
mov #2, r4
cmp/eq r4, r6
@ -79,22 +146,67 @@ __lll_mutex_lock_wait:
ret
mov r2, r0
cfi_endproc
.size __lll_mutex_lock_wait,.-__lll_mutex_lock_wait
.size __lll_lock_wait_private,.-__lll_lock_wait_private
#ifdef NOT_IN_libc
.globl __lll_mutex_timedlock_wait
.type __lll_mutex_timedlock_wait,@function
.hidden __lll_mutex_timedlock_wait
.globl __lll_lock_wait
.type __lll_lock_wait,@function
.hidden __lll_lock_wait
.align 5
cfi_startproc
__lll_mutex_timedlock_wait:
__lll_lock_wait:
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 r6, r9
mov r4, r6
mov r5, r8
mov #0, r7 /* No timeout. */
mov r9, r5
LOAD_FUTEX_WAIT (r5, r0, r1)
mov #2, r4
cmp/eq r4, r6
bf 2f
1:
mov r8, r4
mov #SYS_futex, r3
extu.b r3, r3
trapa #0x14
SYSCALL_INST_PAD
2:
mov #2, r6
XCHG (r6, @r8, r2)
tst r2, r2
bf 1b
mov.l @r15+, r8
mov.l @r15+, r9
ret
mov r2, r0
cfi_endproc
.size __lll_lock_wait,.-__lll_lock_wait
.globl __lll_timedlock_wait
.type __lll_timedlock_wait,@function
.hidden __lll_timedlock_wait
.align 5
cfi_startproc
__lll_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 r11, @-r15
cfi_adjust_cfa_offset(4)
cfi_rel_offset (r11, 0)
mov.l r10, @-r15
cfi_adjust_cfa_offset(4)
cfi_rel_offset (r10, 0)
@ -104,6 +216,7 @@ __lll_mutex_timedlock_wait:
mov.l r8, @-r15
cfi_adjust_cfa_offset(4)
cfi_rel_offset (r8, 0)
mov r7, r11
mov r4, r10
mov r6, r9
mov r5, r8
@ -116,7 +229,7 @@ __lll_mutex_timedlock_wait:
/* Get current time. */
mov r15, r4
mov #0, r5
mov #SYS_gettimeofday, r3
mov #__NR_gettimeofday, r3
trapa #0x12
SYSCALL_INST_PAD
@ -149,7 +262,8 @@ __lll_mutex_timedlock_wait:
bt 8f
mov r8, r4
LOAD_FUTEX_WAIT (r5, r0)
mov r11, r5
LOAD_FUTEX_WAIT (r5, r0, r1)
mov r10, r6
mov r15, r7
mov #SYS_futex, r3
@ -169,8 +283,9 @@ __lll_mutex_timedlock_wait:
add #8, r15
mov.l @r15+, r8
mov.l @r15+, r9
mov.l @r15+, r10
rts
mov.l @r15+, r10
mov.l @r15+, r11
7:
/* Check whether the time expired. */
mov #-ETIMEDOUT, r1
@ -198,17 +313,16 @@ __lll_mutex_timedlock_wait:
.L1g:
.long 1000000000
.size __lll_mutex_timedlock_wait,.-__lll_mutex_timedlock_wait
.size __lll_timedlock_wait,.-__lll_timedlock_wait
#endif
.globl __lll_mutex_unlock_wake
.type __lll_mutex_unlock_wake,@function
.hidden __lll_mutex_unlock_wake
.globl __lll_unlock_wake_private
.type __lll_unlock_wake_private,@function
.hidden __lll_unlock_wake_private
.align 5
cfi_startproc
__lll_mutex_unlock_wake:
LOAD_FUTEX_WAKE (r5, r0)
__lll_unlock_wake_private:
LOAD_PRIVATE_FUTEX_WAKE (r5, r0, r1)
mov #1, r6 /* Wake one thread. */
mov #0, r7
mov.l r7, @r4 /* Stores 0. */
@ -219,10 +333,28 @@ __lll_mutex_unlock_wake:
rts
nop
cfi_endproc
.size __lll_mutex_unlock_wake,.-__lll_mutex_unlock_wake
.size __lll_unlock_wake_private,.-__lll_unlock_wake_private
#ifdef NOT_IN_libc
.globl __lll_unlock_wake
.type __lll_unlock_wake,@function
.hidden __lll_unlock_wake
.align 5
cfi_startproc
__lll_unlock_wake:
LOAD_FUTEX_WAKE (r5, r0, r1)
mov #1, r6 /* Wake one thread. */
mov #0, r7
mov.l r7, @r4 /* Stores 0. */
mov #SYS_futex, r3
extu.b r3, r3
trapa #0x14
SYSCALL_INST_PAD
rts
nop
cfi_endproc
.size __lll_unlock_wake,.-__lll_unlock_wake
.globl __lll_timedwait_tid
.type __lll_timedwait_tid,@function
.hidden __lll_timedwait_tid
@ -246,7 +378,7 @@ __lll_timedwait_tid:
/* Get current time. */
mov r15, r4
mov #0, r5
mov #SYS_gettimeofday, r3
mov #__NR_gettimeofday, r3
trapa #0x12
SYSCALL_INST_PAD

View File

@ -19,19 +19,24 @@
#ifndef _LOWLEVELLOCK_H
#define _LOWLEVELLOCK_H 1
#ifndef __ASSEMBLER__
#include <time.h>
#include <sys/param.h>
#include <bits/pthreadtypes.h>
#include <kernel-features.h>
#endif
#define SYS_futex 240
#define FUTEX_WAIT 0
#define FUTEX_WAKE 1
#define FUTEX_CMP_REQUEUE 4
#define FUTEX_WAKE_OP 5
#define FUTEX_LOCK_PI 6
#define FUTEX_UNLOCK_PI 7
#define FUTEX_TRYLOCK_PI 8
#define FUTEX_PRIVATE_FLAG 128
#define FUTEX_OP_CLEAR_WAKE_IF_GT_ONE ((4 << 24) | 1)
/* Values for 'private' parameter of locking macros. Yes, the
definition seems to be backwards. But it is not. The bit will be
@ -64,20 +69,30 @@
# endif
#endif
#ifndef __ASSEMBLER__
/* Initializer for compatibility lock. */
#define LLL_MUTEX_LOCK_INITIALIZER (0)
#define LLL_MUTEX_LOCK_INITIALIZER_LOCKED (1)
#define LLL_MUTEX_LOCK_INITIALIZER_WAITERS (2)
#define LLL_LOCK_INITIALIZER (0)
#define LLL_LOCK_INITIALIZER_LOCKED (1)
#define LLL_LOCK_INITIALIZER_WAITERS (2)
extern int __lll_mutex_lock_wait (int val, int *__futex) attribute_hidden;
extern int __lll_mutex_timedlock_wait (int val, int *__futex,
const struct timespec *abstime)
attribute_hidden;
extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
extern int __lll_lock_wait_private (int val, int *__futex)
attribute_hidden;
extern int __lll_lock_wait (int val, int *__futex, int private)
attribute_hidden;
extern int __lll_timedlock_wait (int val, int *__futex,
const struct timespec *abstime, int private)
attribute_hidden;
extern int __lll_robust_lock_wait (int val, int *__futex, int private)
attribute_hidden;
extern int __lll_robust_timedlock_wait (int val, int *__futex,
const struct timespec *abstime,
int private)
attribute_hidden;
extern int __lll_unlock_wake_private (int *__futex) attribute_hidden;
extern int __lll_unlock_wake (int *__futex, int private) attribute_hidden;
#define lll_mutex_trylock(futex) \
#define lll_trylock(futex) \
({ unsigned char __result; \
__asm __volatile ("\
.align 2\n\
@ -94,12 +109,12 @@ extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
negc %0,%0"\
: "=r" (__result) \
: "r" (&(futex)), \
"r" (LLL_MUTEX_LOCK_INITIALIZER_LOCKED), \
"r" (LLL_MUTEX_LOCK_INITIALIZER) \
"r" (LLL_LOCK_INITIALIZER_LOCKED), \
"r" (LLL_LOCK_INITIALIZER) \
: "r0", "r1", "r2", "t", "memory"); \
__result; })
#define lll_robust_mutex_trylock(futex, id) \
#define lll_robust_trylock(futex, id) \
({ unsigned char __result; \
__asm __volatile ("\
.align 2\n\
@ -117,11 +132,11 @@ extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
: "=r" (__result) \
: "r" (&(futex)), \
"r" (id), \
"r" (LLL_MUTEX_LOCK_INITIALIZER) \
"r" (LLL_LOCK_INITIALIZER) \
: "r0", "r1", "r2", "t", "memory"); \
__result; })
#define lll_mutex_cond_trylock(futex) \
#define lll_cond_trylock(futex) \
({ unsigned char __result; \
__asm __volatile ("\
.align 2\n\
@ -138,13 +153,13 @@ extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
negc %0,%0"\
: "=r" (__result) \
: "r" (&(futex)), \
"r" (LLL_MUTEX_LOCK_INITIALIZER_WAITERS), \
"r" (LLL_MUTEX_LOCK_INITIALIZER) \
"r" (LLL_LOCK_INITIALIZER_WAITERS), \
"r" (LLL_LOCK_INITIALIZER) \
: "r0", "r1", "r2", "t", "memory"); \
__result; })
#define lll_mutex_lock(futex) \
(void) ({ int __result, val, *__futex = &(futex); \
#define lll_lock(futex, private) \
(void) ({ int __result, *__futex = &(futex); \
__asm __volatile ("\
.align 2\n\
mova 1f,r0\n\
@ -159,10 +174,17 @@ extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
: "=&r" (__result) : "r" (1), "r" (__futex) \
: "r0", "r1", "t", "memory"); \
if (__result) \
__lll_mutex_lock_wait (__result, __futex); })
{ \
if (__builtin_constant_p (private) \
&& (private) == LLL_PRIVATE) \
__lll_lock_wait_private (__result, __futex); \
else \
__lll_lock_wait (__result, __futex, (private)); \
} \
})
#define lll_robust_mutex_lock(futex, id) \
({ int __result, val, *__futex = &(futex); \
#define lll_robust_lock(futex, id, private) \
({ int __result, *__futex = &(futex); \
__asm __volatile ("\
.align 2\n\
mova 1f,r0\n\
@ -177,13 +199,13 @@ extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
: "=&r" (__result) : "r" (id), "r" (__futex) \
: "r0", "r1", "t", "memory"); \
if (__result) \
__result = __lll_robust_mutex_lock_wait (__result, __futex); \
__result = __lll_robust_lock_wait (__result, __futex, private); \
__result; })
/* Special version of lll_mutex_lock which causes the unlock function to
always wakeup waiters. */
#define lll_mutex_cond_lock(futex) \
(void) ({ int __result, val, *__futex = &(futex); \
#define lll_cond_lock(futex, private) \
(void) ({ int __result, *__futex = &(futex); \
__asm __volatile ("\
.align 2\n\
mova 1f,r0\n\
@ -198,10 +220,10 @@ extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
: "=&r" (__result) : "r" (2), "r" (__futex) \
: "r0", "r1", "t", "memory"); \
if (__result) \
__lll_mutex_lock_wait (__result, __futex); })
__lll_lock_wait (__result, __futex, private); })
#define lll_robust_mutex_cond_lock(futex, id) \
({ int __result, val, *__futex = &(futex); \
#define lll_robust_cond_lock(futex, id, private) \
({ int __result, *__futex = &(futex); \
__asm __volatile ("\
.align 2\n\
mova 1f,r0\n\
@ -216,11 +238,11 @@ extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
: "=&r" (__result) : "r" (id | FUTEX_WAITERS), "r" (__futex) \
: "r0", "r1", "t", "memory"); \
if (__result) \
__result = __lll_robust_mutex_lock_wait (__result, __futex); \
__result = __lll_robust_lock_wait (__result, __futex, private); \
__result; })
#define lll_mutex_timedlock(futex, timeout) \
({ int __result, val, *__futex = &(futex); \
#define lll_timedlock(futex, timeout, private) \
({ int __result, *__futex = &(futex); \
__asm __volatile ("\
.align 2\n\
mova 1f,r0\n\
@ -235,11 +257,11 @@ extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
: "=&r" (__result) : "r" (1), "r" (__futex) \
: "r0", "r1", "t", "memory"); \
if (__result) \
__result = __lll_mutex_timedlock_wait (__result, __futex, timeout); \
__result = __lll_timedlock_wait (__result, __futex, timeout, private); \
__result; })
#define lll_robust_mutex_timedlock(futex, timeout, id) \
({ int __result, val, *__futex = &(futex); \
#define lll_robust_timedlock(futex, timeout, id, private) \
({ int __result, *__futex = &(futex); \
__asm __volatile ("\
.align 2\n\
mova 1f,r0\n\
@ -254,11 +276,11 @@ extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
: "=&r" (__result) : "r" (id), "r" (__futex) \
: "r0", "r1", "t", "memory"); \
if (__result) \
__result = __lll_robust_mutex_timedlock_wait (__result, __futex, \
timeout); \
__result = __lll_robust_timedlock_wait (__result, __futex, \
timeout, private); \
__result; })
#define lll_mutex_unlock(futex) \
#define lll_unlock(futex, private) \
(void) ({ int __result, *__futex = &(futex); \
__asm __volatile ("\
.align 2\n\
@ -272,9 +294,16 @@ extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
: "=&r" (__result) : "r" (__futex) \
: "r0", "r1", "memory"); \
if (__result) \
__lll_mutex_unlock_wake (__futex); })
{ \
if (__builtin_constant_p (private) \
&& (private) == LLL_PRIVATE) \
__lll_unlock_wake_private (__futex); \
else \
__lll_unlock_wake (__futex, (private)); \
} \
})
#define lll_robust_mutex_unlock(futex) \
#define lll_robust_unlock(futex, private) \
(void) ({ int __result, *__futex = &(futex); \
__asm __volatile ("\
.align 2\n\
@ -288,9 +317,9 @@ extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
: "=&r" (__result) : "r" (__futex), "r" (FUTEX_WAITERS) \
: "r0", "r1", "memory"); \
if (__result) \
__lll_mutex_unlock_wake (__futex); })
__lll_unlock_wake (__futex, private); })
#define lll_robust_mutex_dead(futex) \
#define lll_robust_dead(futex, private) \
(void) ({ int __ignore, *__futex = &(futex); \
__asm __volatile ("\
.align 2\n\
@ -303,22 +332,7 @@ extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
1: mov r1,r15"\
: "=&r" (__ignore) : "r" (__futex), "r" (FUTEX_OWNER_DIED) \
: "r0", "r1", "memory"); \
lll_futex_wake (__futex, 1, LLL_SHARED); })
#define lll_mutex_islocked(futex) \
(futex != 0)
/* We have a separate internal lock implementation which is not tied
to binary compatibility. */
/* Type for lock object. */
typedef int lll_lock_t;
/* Initializers for lock. */
#define LLL_LOCK_INITIALIZER (0)
#define LLL_LOCK_INITIALIZER_LOCKED (1)
lll_futex_wake (__futex, 1, private); })
# ifdef NEED_SYSCALL_INST_PAD
# define SYSCALL_WITH_INST_PAD "\
@ -367,25 +381,14 @@ typedef int lll_lock_t;
} while (0)
/* The states of a lock are:
0 - untaken
1 - taken by one user
2 - taken by more users */
#define lll_trylock(futex) lll_mutex_trylock (futex)
#define lll_lock(futex) lll_mutex_lock (futex)
#define lll_unlock(futex) lll_mutex_unlock (futex)
#define lll_islocked(futex) \
(futex != LLL_LOCK_INITIALIZER)
/* The kernel notifies a process with uses CLONE_CLEARTID via futex
wakeup when the clone terminates. The memory location contains the
thread ID while the clone is running and is reset to zero
afterwards. */
extern int __lll_wait_tid (int *tid) attribute_hidden;
#define lll_wait_tid(tid) \
do { \
__typeof (tid) *__tid = &(tid); \
@ -407,24 +410,6 @@ extern int __lll_timedwait_tid (int *tid, const struct timespec *abstime)
} \
__result; })
/* Conditional variable handling. */
extern void __lll_cond_wait (pthread_cond_t *cond) attribute_hidden;
extern int __lll_cond_timedwait (pthread_cond_t *cond,
const struct timespec *abstime)
attribute_hidden;
extern void __lll_cond_wake (pthread_cond_t *cond) attribute_hidden;
extern void __lll_cond_broadcast (pthread_cond_t *cond) attribute_hidden;
#define lll_cond_wait(cond) \
__lll_cond_wait (cond)
#define lll_cond_timedwait(cond, abstime) \
__lll_cond_timedwait (cond, abstime)
#define lll_cond_wake(cond) \
__lll_cond_wake (cond)
#define lll_cond_broadcast(cond) \
__lll_cond_broadcast (cond)
#endif /* !__ASSEMBLER__ */
#endif /* lowlevellock.h */

View File

@ -1,4 +1,5 @@
/* Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
/* Copyright (C) 2003, 2004, 2005, 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
@ -18,31 +19,64 @@
#include <sysdep.h>
#include <pthread-errnos.h>
#include <lowlevellock.h>
#include <lowlevelrobustlock.h>
#include <kernel-features.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
#ifdef __ASSUME_PRIVATE_FUTEX
# define LOAD_FUTEX_WAIT(reg,tmp,tmp2) \
mov #(FUTEX_WAIT | FUTEX_PRIVATE_FLAG), tmp; \
extu.b tmp, tmp; \
xor tmp, reg
#else
# if FUTEX_WAIT == 0
# define LOAD_FUTEX_WAIT(reg,tmp,tmp2) \
stc gbr, tmp ; \
mov.w 99f, tmp2 ; \
add tmp2, tmp ; \
mov.l @tmp, tmp2 ; \
bra 98f ; \
mov #FUTEX_PRIVATE_FLAG, tmp
99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \
98: extu.b tmp, tmp ; \
xor tmp, reg ; \
and tmp2, reg
# else
# define LOAD_FUTEX_WAIT(reg,tmp,tmp2) \
stc gbr, tmp ; \
mov.w 99f, tmp2 ; \
add tmp2, tmp ; \
mov.l @tmp, tmp2 ; \
bra 98f ; \
mov #FUTEX_PRIVATE_FLAG, tmp
99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \
98: extu.b tmp, tmp ; \
xor tmp, reg ; \
and tmp2, reg ; \
mov #FUTEX_WAIT, tmp ; \
or tmp, reg
# endif
#endif
.globl __lll_robust_mutex_lock_wait
.type __lll_robust_mutex_lock_wait,@function
.hidden __lll_robust_mutex_lock_wait
.globl __lll_robust_lock_wait
.type __lll_robust_lock_wait,@function
.hidden __lll_robust_lock_wait
.align 5
cfi_startproc
__lll_robust_mutex_lock_wait:
__lll_robust_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
mov r6, r5
LOAD_FUTEX_WAIT (r5, r0, r1)
4:
mov r4, r6
@ -90,21 +124,24 @@ __lll_robust_mutex_lock_wait:
.long FUTEX_WAITERS
.Ltidoff:
.word TID - TLS_PRE_TCB_SIZE
.size __lll_robust_mutex_lock_wait,.-__lll_robust_mutex_lock_wait
.size __lll_robust_lock_wait,.-__lll_robust_lock_wait
.globl __lll_robust_mutex_timedlock_wait
.type __lll_robust_mutex_timedlock_wait,@function
.hidden __lll_robust_mutex_timedlock_wait
.globl __lll_robust_timedlock_wait
.type __lll_robust_timedlock_wait,@function
.hidden __lll_robust_timedlock_wait
.align 5
cfi_startproc
__lll_robust_mutex_timedlock_wait:
__lll_robust_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 r11, @-r15
cfi_adjust_cfa_offset(4)
cfi_rel_offset (r11, 0)
mov.l r10, @-r15
cfi_adjust_cfa_offset(4)
cfi_rel_offset (r10, 0)
@ -114,6 +151,7 @@ __lll_robust_mutex_timedlock_wait:
mov.l r8, @-r15
cfi_adjust_cfa_offset(4)
cfi_rel_offset (r8, 0)
mov r7, r11
mov r4, r10
mov r6, r9
mov r5, r8
@ -126,7 +164,7 @@ __lll_robust_mutex_timedlock_wait:
/* Get current time. */
mov r15, r4
mov #0, r5
mov #SYS_gettimeofday, r3
mov #__NR_gettimeofday, r3
trapa #0x12
SYSCALL_INST_PAD
@ -167,7 +205,8 @@ __lll_robust_mutex_timedlock_wait:
2:
mov r8, r4
mov #FUTEX_WAIT, r5
mov r11, r5
LOAD_FUTEX_WAIT (r5, r0, r1)
mov r10, r6
mov r15, r7
mov #SYS_futex, r3
@ -196,8 +235,9 @@ __lll_robust_mutex_timedlock_wait:
add #8, r15
mov.l @r15+, r8
mov.l @r15+, r9
mov.l @r15+, r10
rts
mov.l @r15+, r10
mov.l @r15+, r11
7:
/* Check whether the time expired. */
@ -221,4 +261,4 @@ __lll_robust_mutex_timedlock_wait:
.word TID - TLS_PRE_TCB_SIZE
.L1k:
.word 1000
.size __lll_robust_mutex_timedlock_wait,.-__lll_robust_mutex_timedlock_wait
.size __lll_robust_timedlock_wait,.-__lll_robust_timedlock_wait

View File

@ -17,14 +17,10 @@
02111-1307 USA. */
#include <sysdep.h>
#include <lowlevellock.h>
#include <lowlevelbarrier.h>
#include "lowlevel-atomic.h"
#define SYS_futex 240
#define FUTEX_WAIT 0
#define FUTEX_WAKE 1
.text
.globl pthread_barrier_wait
@ -152,6 +148,10 @@ pthread_barrier_wait:
mov.l @r15+, r9
1:
mov.l @(PRIVATE,r8), r6
mov #LLL_SHARED, r0
extu.b r0, r0
xor r0, r6
mov r2, r4
mov r8, r5
mov.l .Lwait0, r1
@ -162,6 +162,10 @@ pthread_barrier_wait:
nop
4:
mov.l @(PRIVATE,r8), r5
mov #LLL_SHARED, r0
extu.b r0, r0
xor r0, r5
mov r8, r4
mov.l .Lwake0, r1
bsrf r1
@ -172,6 +176,10 @@ pthread_barrier_wait:
6:
mov r6, r9
mov.l @(PRIVATE,r8), r5
mov #LLL_SHARED, r0
extu.b r0, r0
xor r0, r5
mov r8, r4
mov.l .Lwake1, r1
bsrf r1
@ -182,6 +190,10 @@ pthread_barrier_wait:
9:
mov r6, r9
mov.l @(PRIVATE,r8), r5
mov #LLL_SHARED, r0
extu.b r0, r0
xor r0, r5
mov r8, r4
mov.l .Lwake2, r1
bsrf r1
@ -194,11 +206,11 @@ pthread_barrier_wait:
.Lall:
.long 0x7fffffff
.Lwait0:
.long __lll_mutex_lock_wait-.Lwait0b
.long __lll_lock_wait-.Lwait0b
.Lwake0:
.long __lll_mutex_unlock_wake-.Lwake0b
.long __lll_unlock_wake-.Lwake0b
.Lwake1:
.long __lll_mutex_unlock_wake-.Lwake1b
.long __lll_unlock_wake-.Lwake1b
.Lwake2:
.long __lll_mutex_unlock_wake-.Lwake2b
.long __lll_unlock_wake-.Lwake2b
.size pthread_barrier_wait,.-pthread_barrier_wait

View File

@ -1,4 +1,4 @@
/* 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
@ -18,19 +18,13 @@
#include <sysdep.h>
#include <shlib-compat.h>
#include <lowlevellock.h>
#include <lowlevelcond.h>
#include <kernel-features.h>
#include <pthread-pi-defines.h>
#include <pthread-errnos.h>
#include "lowlevel-atomic.h"
#define SYS_futex 240
#define FUTEX_WAIT 0
#define FUTEX_WAKE 1
#define FUTEX_REQUEUE 3
#define FUTEX_CMP_REQUEUE 4
#define EINVAL 22
.text
/* int pthread_cond_broadcast (pthread_cond_t *cond) */
@ -162,10 +156,12 @@ __pthread_cond_broadcast:
#if cond_lock != 0
add #cond_lock, r5
#endif
mov.l .Lmwait5, r1
mov #LLL_SHARED, r6
extu.b r6, r6
mov.l .Lwait5, r1
bsrf r1
mov r2, r4
.Lmwait5b:
.Lwait5b:
bra 2b
nop
@ -175,10 +171,11 @@ __pthread_cond_broadcast:
#if cond_lock != 0
add #cond_lock, r4
#endif
mov.l .Lmwake5, r1
mov #LLL_SHARED, r5
mov.l .Lwake5, r1
bsrf r1
nop
.Lmwake5b:
extu.b r5, r5
.Lwake5b:
bra 6b
nop
@ -188,10 +185,11 @@ __pthread_cond_broadcast:
#if cond_lock != 0
add #cond_lock, r4
#endif
mov.l .Lmwake6, r1
mov #LLL_SHARED, r5
mov.l .Lwake6, r1
bsrf r1
nop
.Lmwake6b:
extu.b r5, r5
.Lwake6b:
bra 8b
nop
@ -208,12 +206,12 @@ __pthread_cond_broadcast:
nop
.align 2
.Lmwait5:
.long __lll_mutex_lock_wait-.Lmwait5b
.Lmwake5:
.long __lll_mutex_unlock_wake-.Lmwake5b
.Lmwake6:
.long __lll_mutex_unlock_wake-.Lmwake6b
.Lwait5:
.long __lll_lock_wait-.Lwait5b
.Lwake5:
.long __lll_unlock_wake-.Lwake5b
.Lwake6:
.long __lll_unlock_wake-.Lwake6b
.size __pthread_cond_broadcast, .-__pthread_cond_broadcast
versioned_symbol (libpthread, __pthread_cond_broadcast, pthread_cond_broadcast,
GLIBC_2_3_2)

View File

@ -1,4 +1,4 @@
/* 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
@ -18,17 +18,12 @@
#include <sysdep.h>
#include <shlib-compat.h>
#include <lowlevellock.h>
#include <lowlevelcond.h>
#include <kernel-features.h>
#include <pthread-errnos.h>
#include "lowlevel-atomic.h"
#define SYS_futex 240
#define FUTEX_WAIT 0
#define FUTEX_WAKE 1
#define FUTEX_REQUEUE 3
#define EINVAL 22
.text
/* int pthread_cond_signal (pthread_cond_t *cond) */
@ -108,10 +103,12 @@ __pthread_cond_signal:
#if cond_lock != 0
add #cond_lock, r5
#endif
mov.l .Lmwait4, r1
mov #LLL_SHARED, r6
extu.b r6, r6
mov.l .Lwait4, r1
bsrf r1
mov r2, r4
.Lmwait4b:
.Lwait4b:
bra 2b
nop
@ -121,18 +118,19 @@ __pthread_cond_signal:
#if cond_lock != 0
add #cond_lock, r4
#endif
mov.l .Lmwake4, r1
mov #LLL_SHARED, r5
mov.l .Lwake4, r1
bsrf r1
nop
.Lmwake4b:
extu.b r5, r5
.Lwake4b:
bra 6b
nop
.align 2
.Lmwait4:
.long __lll_mutex_lock_wait-.Lmwait4b
.Lmwake4:
.long __lll_mutex_unlock_wake-.Lmwake4b
.Lwait4:
.long __lll_lock_wait-.Lwait4b
.Lwake4:
.long __lll_unlock_wake-.Lwake4b
.size __pthread_cond_signal, .-__pthread_cond_signal
versioned_symbol (libpthread, __pthread_cond_signal, pthread_cond_signal,
GLIBC_2_3_2)

View File

@ -18,16 +18,11 @@
#include <sysdep.h>
#include <shlib-compat.h>
#include <lowlevellock.h>
#include <lowlevelcond.h>
#include <pthread-errnos.h>
#include "lowlevel-atomic.h"
#define SYS_gettimeofday __NR_gettimeofday
#define SYS_futex 240
#define FUTEX_WAIT 0
#define FUTEX_WAKE 1
.text
/* int pthread_cond_timedwait (pthread_cond_t *cond, pthread_mutex_t *mutex,
@ -164,7 +159,7 @@ __pthread_cond_timedwait:
mov r15, r4
add #16, r4
mov #0, r5
mov #SYS_gettimeofday, r3
mov #__NR_gettimeofday, r3
trapa #0x12
SYSCALL_INST_PAD
@ -182,7 +177,7 @@ __pthread_cond_timedwait:
mov r15, r4
add #16, r4
mov #0, r5
mov #SYS_gettimeofday, r3
mov #__NR_gettimeofday, r3
trapa #0x12
SYSCALL_INST_PAD
@ -403,10 +398,12 @@ __pthread_cond_timedwait:
#if cond_lock != 0
add #cond_lock, r5
#endif
mov.l .Lmwait2, r1
mov #LLL_SHARED, r6
extu.b r6, r6
mov.l .Lwait2, r1
bsrf r1
mov r2, r4
.Lmwait2b:
.Lwait2b:
bra 2b
nop
@ -416,10 +413,11 @@ __pthread_cond_timedwait:
#if cond_lock != 0
add #cond_lock, r4
#endif
mov.l .Lmwake2, r1
mov #LLL_SHARED, r5
mov.l .Lmwait2, r1
bsrf r1
nop
.Lmwake2b:
extu.b r5, r5
.Lmwait2b:
bra 4b
nop
@ -429,10 +427,12 @@ __pthread_cond_timedwait:
#if cond_lock != 0
add #cond_lock, r5
#endif
mov.l .Lmwait3, r1
mov #LLL_SHARED, r6
extu.b r6, r6
mov.l .Lwait3, r1
bsrf r1
mov r2, r4
.Lmwait3b:
.Lwait3b:
bra 6b
nop
@ -442,10 +442,11 @@ __pthread_cond_timedwait:
#if cond_lock != 0
add #cond_lock, r4
#endif
mov.l .Lmwake3, r1
mov #LLL_SHARED, r5
mov.l .Lmwait3, r1
bsrf r1
nop
.Lmwake3b:
extu.b r5, r5
.Lmwait3b:
bra 11b
nop
@ -464,25 +465,26 @@ __pthread_cond_timedwait:
#if cond_lock != 0
add #cond_lock, r4
#endif
mov.l .Lmwake4, r1
mov #LLL_SHARED, r5
mov.l .Lmwait4, r1
bsrf r1
nop
.Lmwake4b:
extu.b r5, r5
.Lmwait4b:
17:
bra 18b
mov.l @(24,r15), r0
.align 2
.Lwait2:
.long __lll_lock_wait-.Lwait2b
.Lmwait2:
.long __lll_mutex_lock_wait-.Lmwait2b
.Lmwake2:
.long __lll_mutex_unlock_wake-.Lmwake2b
.long __lll_unlock_wake-.Lmwait2b
.Lwait3:
.long __lll_lock_wait-.Lwait3b
.Lmwait3:
.long __lll_mutex_lock_wait-.Lmwait3b
.Lmwake3:
.long __lll_mutex_unlock_wake-.Lmwake3b
.Lmwake4:
.long __lll_mutex_unlock_wake-.Lmwake4b
.long __lll_unlock_wake-.Lmwait3b
.Lmwait4:
.long __lll_unlock_wake-.Lmwait4b
.size __pthread_cond_timedwait, .-__pthread_cond_timedwait
versioned_symbol (libpthread, __pthread_cond_timedwait, pthread_cond_timedwait,
GLIBC_2_3_2)
@ -507,10 +509,12 @@ __condvar_tw_cleanup:
#if cond_lock != 0
add #cond_lock, r5
#endif
mov.l .Lmwait5, r1
mov #LLL_SHARED, r6
extu.b r6, r6
mov.l .Lwait5, r1
bsrf r1
mov r2, r4
.Lmwait5b:
.Lwait5b:
1:
mov.l @(broadcast_seq,r8), r0
@ -600,10 +604,11 @@ __condvar_tw_cleanup:
#if cond_lock != 0
add #cond_lock, r4
#endif
mov.l .Lmwake5, r1
mov #LLL_SHARED, r5
mov.l .Lmwait5, r1
bsrf r1
nop
.Lmwake5b:
extu.b r5, r5
.Lmwait5b:
2:
/* Wake up all waiters to make sure no signal gets lost. */
@ -636,10 +641,10 @@ __condvar_tw_cleanup:
sleep
.align 2
.Lwait5:
.long __lll_lock_wait-.Lwait5b
.Lmwait5:
.long __lll_mutex_lock_wait-.Lmwait5b
.Lmwake5:
.long __lll_mutex_unlock_wake-.Lmwake5b
.long __lll_unlock_wake-.Lmwait5b
.Lmlocki5:
.long __pthread_mutex_cond_lock-.Lmlocki5b
.Lresume:

View File

@ -18,14 +18,10 @@
#include <sysdep.h>
#include <shlib-compat.h>
#include <lowlevellock.h>
#include <lowlevelcond.h>
#include "lowlevel-atomic.h"
#define SYS_futex 240
#define FUTEX_WAIT 0
#define FUTEX_WAKE 1
.text
/* int pthread_cond_wait (pthread_cond_t *cond, pthread_mutex_t *mutex) */
@ -267,10 +263,12 @@ __pthread_cond_wait:
#if cond_lock != 0
add #cond_lock, r5
#endif
mov.l .Lmwait0, r1
mov #LLL_SHARED, r6
extu.b r6, r6
mov.l .Lwait0, r1
bsrf r1
mov r2, r4
.Lmwait0b:
.Lwait0b:
bra 2b
nop
3:
@ -279,10 +277,11 @@ __pthread_cond_wait:
#if cond_lock != 0
add #cond_lock, r4
#endif
mov.l .Lmwake0, r1
mov #LLL_SHARED, r5
mov.l .Lwake0, r1
bsrf r1
nop
.Lmwake0b:
extu.b r5, r5
.Lwake0b:
bra 4b
nop
@ -292,10 +291,12 @@ __pthread_cond_wait:
#if cond_lock != 0
add #cond_lock, r5
#endif
mov.l .Lmwait1, r1
mov #LLL_SHARED, r6
extu.b r6, r6
mov.l .Lwait1, r1
bsrf r1
mov r2, r4
.Lmwait1b:
.Lwait1b:
bra 6b
nop
@ -305,10 +306,11 @@ __pthread_cond_wait:
#if cond_lock != 0
add #cond_lock, r4
#endif
mov.l .Lmwake1, r1
mov #LLL_SHARED, r5
mov.l .Lwake1, r1
bsrf r1
nop
.Lmwake1b:
extu.b r5, r5
.Lwake1b:
bra 11b
nop
@ -327,26 +329,27 @@ __pthread_cond_wait:
#if cond_lock != 0
add #cond_lock, r4
#endif
mov.l .Lmwake2, r1
mov #LLL_SHARED, r5
mov.l .Lwake2, r1
bsrf r1
nop
.Lmwake2b:
extu.b r5, r5
.Lwake2b:
13:
bra 14b
mov.l @(12,r15), r0
.align 2
.Lmwait0:
.long __lll_mutex_lock_wait-.Lmwait0b
.Lmwake0:
.long __lll_mutex_unlock_wake-.Lmwake0b
.Lmwait1:
.long __lll_mutex_lock_wait-.Lmwait1b
.Lmwake1:
.long __lll_mutex_unlock_wake-.Lmwake1b
.Lmwake2:
.long __lll_mutex_unlock_wake-.Lmwake2b
.Lwait0:
.long __lll_lock_wait-.Lwait0b
.Lwake0:
.long __lll_unlock_wake-.Lwake0b
.Lwait1:
.long __lll_lock_wait-.Lwait1b
.Lwake1:
.long __lll_unlock_wake-.Lwake1b
.Lwake2:
.long __lll_unlock_wake-.Lwake2b
.size __pthread_cond_wait, .-__pthread_cond_wait
versioned_symbol (libpthread, __pthread_cond_wait, pthread_cond_wait,
GLIBC_2_3_2)
@ -371,10 +374,12 @@ __condvar_w_cleanup:
#if cond_lock != 0
add #cond_lock, r5
#endif
mov.l .Lmwait3, r1
mov #LLL_SHARED, r6
extu.b r6, r6
mov.l .Lwait3, r1
bsrf r1
mov r2, r4
.Lmwait3b:
.Lwait3b:
1:
mov.l @(broadcast_seq,r8), r0
@ -464,10 +469,11 @@ __condvar_w_cleanup:
#if cond_lock != 0
add #cond_lock, r4
#endif
mov.l .Lmwake3, r1
mov #LLL_SHARED, r5
mov.l .Lwake3, r1
bsrf r1
nop
.Lmwake3b:
extu.b r5, r5
.Lwake3b:
2:
/* Wake up all waiters to make sure no signal gets lost. */
@ -500,10 +506,10 @@ __condvar_w_cleanup:
sleep
.align 2
.Lmwait3:
.long __lll_mutex_lock_wait-.Lmwait3b
.Lmwake3:
.long __lll_mutex_unlock_wake-.Lmwake3b
.Lwait3:
.long __lll_lock_wait-.Lwait3b
.Lwake3:
.long __lll_unlock_wake-.Lwake3b
.Lmlocki3:
.long __pthread_mutex_cond_lock-.Lmlocki3b
.Lresume:

View File

@ -19,12 +19,9 @@
#include <unwindbuf.h>
#include <sysdep.h>
#include <kernel-features.h>
#include <lowlevellock.h>
#include "lowlevel-atomic.h"
#define SYS_futex 240
#define FUTEX_WAIT 0
#define FUTEX_WAKE 1
#define FUTEX_PRIVATE_FLAG 128
.comm __fork_generation, 4, 4

View File

@ -17,17 +17,13 @@
02111-1307 USA. */
#include <sysdep.h>
#include <lowlevellock.h>
#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
@ -156,10 +152,12 @@ __pthread_rwlock_rdlock:
#if MUTEX != 0
add #MUTEX, r5
#endif
mov r2, r4
mov #PSHARED, r0
mov.b @(r0,r8), r6
extu.b r6, r6
mov.l .Lwait0, r1
bsrf r1
nop
mov r2, r4
.Lwait0b:
bra 2b
nop
@ -182,6 +180,9 @@ __pthread_rwlock_rdlock:
#if MUTEX != 0
add #MUTEX, r4
#endif
mov #PSHARED, r0
mov.b @(r0,r8), r5
extu.b r5, r5
mov.l .Lwake0, r1
bsrf r1
nop
@ -210,6 +211,9 @@ __pthread_rwlock_rdlock:
#if MUTEX != 0
add #MUTEX, r4
#endif
mov #PSHARED, r0
mov.b @(r0,r8), r5
extu.b r5, r5
mov.l .Lwake1, r1
bsrf r1
nop
@ -222,23 +226,25 @@ __pthread_rwlock_rdlock:
#if MUTEX != 0
add #MUTEX, r5
#endif
mov r2, r4
mov #PSHARED, r0
mov.b @(r0,r8), r6
extu.b r6, r6
mov.l .Lwait1, r1
bsrf r1
nop
mov r2, r4
.Lwait1b:
bra 13b
nop
.align 2
.Lwait0:
.long __lll_mutex_lock_wait-.Lwait0b
.long __lll_lock_wait-.Lwait0b
.Lwake0:
.long __lll_mutex_unlock_wake-.Lwake0b
.long __lll_unlock_wake-.Lwake0b
.Lwait1:
.long __lll_mutex_lock_wait-.Lwait1b
.long __lll_lock_wait-.Lwait1b
.Lwake1:
.long __lll_mutex_unlock_wake-.Lwake1b
.long __lll_unlock_wake-.Lwake1b
.size __pthread_rwlock_rdlock,.-__pthread_rwlock_rdlock
.globl pthread_rwlock_rdlock

View File

@ -17,18 +17,13 @@
02111-1307 USA. */
#include <sysdep.h>
#include <lowlevellock.h>
#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
@ -92,7 +87,7 @@ pthread_rwlock_timedrdlock:
/* Get current time. */
mov r15, r4
mov #0, r5
mov #SYS_gettimeofday, r3
mov #__NR_gettimeofday, r3
trapa #0x12
SYSCALL_INST_PAD
@ -213,10 +208,12 @@ pthread_rwlock_timedrdlock:
#if MUTEX != 0
add #MUTEX, r5
#endif
mov r2, r4
mov #PSHARED, r0
mov.b @(r0,r8), r6
extu.b r6, r6
mov.l .Lwait2, r1
bsrf r1
nop
mov r2, r4
.Lwait2b:
bra 2b
nop
@ -239,6 +236,9 @@ pthread_rwlock_timedrdlock:
#if MUTEX != 0
add #MUTEX, r4
#endif
mov #PSHARED, r0
mov.b @(r0,r8), r5
extu.b r5, r5
mov.l .Lwake2, r1
bsrf r1
nop
@ -267,6 +267,9 @@ pthread_rwlock_timedrdlock:
#if MUTEX != 0
add #MUTEX, r4
#endif
mov #PSHARED, r0
mov.b @(r0,r8), r5
extu.b r5, r5
mov.l .Lwake3, r1
bsrf r1
nop
@ -279,10 +282,12 @@ pthread_rwlock_timedrdlock:
#if MUTEX != 0
add #MUTEX, r5
#endif
mov r2, r4
mov #PSHARED, r0
mov.b @(r0,r8), r6
extu.b r6, r6
mov.l .Lwait3, r1
bsrf r1
nop
mov r2, r4
.Lwait3b:
bra 13b
nop
@ -297,11 +302,11 @@ pthread_rwlock_timedrdlock:
.align 2
.Lwait2:
.long __lll_mutex_lock_wait-.Lwait2b
.long __lll_lock_wait-.Lwait2b
.Lwake2:
.long __lll_mutex_unlock_wake-.Lwake2b
.long __lll_unlock_wake-.Lwake2b
.Lwait3:
.long __lll_mutex_lock_wait-.Lwait3b
.long __lll_lock_wait-.Lwait3b
.Lwake3:
.long __lll_mutex_unlock_wake-.Lwake3b
.long __lll_unlock_wake-.Lwake3b
.size pthread_rwlock_timedrdlock,.-pthread_rwlock_timedrdlock

View File

@ -17,18 +17,13 @@
02111-1307 USA. */
#include <sysdep.h>
#include <lowlevellock.h>
#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
@ -88,7 +83,7 @@ pthread_rwlock_timedwrlock:
/* Get current time. */
mov r15, r4
mov #0, r5
mov #SYS_gettimeofday, r3
mov #__NR_gettimeofday, r3
trapa #0x12
SYSCALL_INST_PAD
@ -211,10 +206,12 @@ pthread_rwlock_timedwrlock:
#if MUTEX != 0
add #MUTEX, r5
#endif
mov r2, r4
mov #PSHARED, r0
mov.b @(r0,r8), r6
extu.b r6, r6
mov.l .Lwait6, r1
bsrf r1
nop
mov r2, r4
.Lwait6b:
bra 2b
nop
@ -232,6 +229,9 @@ pthread_rwlock_timedwrlock:
#if MUTEX != 0
add #MUTEX, r4
#endif
mov #PSHARED, r0
mov.b @(r0,r8), r5
extu.b r5, r5
mov.l .Lwake6, r1
bsrf r1
nop
@ -255,6 +255,9 @@ pthread_rwlock_timedwrlock:
#if MUTEX != 0
add #MUTEX, r4
#endif
mov #PSHARED, r0
mov.b @(r0,r8), r5
extu.b r5, r5
mov.l .Lwake7, r1
bsrf r1
nop
@ -267,10 +270,12 @@ pthread_rwlock_timedwrlock:
#if MUTEX != 0
add #MUTEX, r5
#endif
mov r2, r4
mov #PSHARED, r0
mov.b @(r0,r8), r6
extu.b r6, r6
mov.l .Lwait7, r1
bsrf r1
nop
mov r2, r4
.Lwait7b:
bra 13b
nop
@ -281,11 +286,11 @@ pthread_rwlock_timedwrlock:
.align 2
.Lwait6:
.long __lll_mutex_lock_wait-.Lwait6b
.long __lll_lock_wait-.Lwait6b
.Lwake6:
.long __lll_mutex_unlock_wake-.Lwake6b
.long __lll_unlock_wake-.Lwake6b
.Lwait7:
.long __lll_mutex_lock_wait-.Lwait7b
.long __lll_lock_wait-.Lwait7b
.Lwake7:
.long __lll_mutex_unlock_wake-.Lwake7b
.long __lll_unlock_wake-.Lwake7b
.size pthread_rwlock_timedwrlock,.-pthread_rwlock_timedwrlock

View File

@ -17,15 +17,11 @@
02111-1307 USA. */
#include <sysdep.h>
#include <lowlevellock.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
@ -138,10 +134,12 @@ __pthread_rwlock_unlock:
#if MUTEX != 0
add #MUTEX, r5
#endif
mov r2, r4
mov #PSHARED, r0
mov.b @(r0,r8), r6
extu.b r6, r6
mov.l .Lwait8, r1
bsrf r1
nop
mov r2, r4
.Lwait8b:
bra 2b
nop
@ -150,6 +148,9 @@ __pthread_rwlock_unlock:
#if MUTEX != 0
add #MUTEX, r4
#endif
mov #PSHARED, r0
mov.b @(r0,r8), r5
extu.b r5, r5
mov.l .Lwake8, r1
bsrf r1
nop
@ -164,6 +165,9 @@ __pthread_rwlock_unlock:
#if MUTEX != 0
add #MUTEX, r4
#endif
mov #PSHARED, r0
mov.b @(r0,r8), r5
extu.b r5, r5
mov.l .Lwake9, r1
bsrf r1
nop
@ -179,11 +183,11 @@ __pthread_rwlock_unlock:
#endif
.align 2
.Lwait8:
.long __lll_mutex_lock_wait-.Lwait8b
.long __lll_lock_wait-.Lwait8b
.Lwake8:
.long __lll_mutex_unlock_wake-.Lwake8b
.long __lll_unlock_wake-.Lwake8b
.Lwake9:
.long __lll_mutex_unlock_wake-.Lwake9b
.long __lll_unlock_wake-.Lwake9b
.size __pthread_rwlock_unlock,.-__pthread_rwlock_unlock
.globl pthread_rwlock_unlock

View File

@ -17,17 +17,13 @@
02111-1307 USA. */
#include <sysdep.h>
#include <lowlevellock.h>
#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
@ -145,10 +141,12 @@ __pthread_rwlock_wrlock:
#if MUTEX != 0
add #MUTEX, r5
#endif
mov r2, r4
mov #PSHARED, r0
mov.b @(r0,r8), r6
extu.b r6, r6
mov.l .Lwait4, r1
bsrf r1
nop
mov r2, r4
.Lwait4b:
bra 2b
nop
@ -166,6 +164,9 @@ __pthread_rwlock_wrlock:
#if MUTEX != 0
add #MUTEX, r4
#endif
mov #PSHARED, r0
mov.b @(r0,r8), r5
extu.b r5, r5
mov.l .Lwake4, r1
bsrf r1
nop
@ -192,6 +193,9 @@ __pthread_rwlock_wrlock:
#if MUTEX != 0
add #MUTEX, r4
#endif
mov #PSHARED, r0
mov.b @(r0,r8), r5
extu.b r5, r5
mov.l .Lwake5, r1
bsrf r1
nop
@ -204,23 +208,25 @@ __pthread_rwlock_wrlock:
#if MUTEX != 0
add #MUTEX, r5
#endif
mov r2, r4
mov #PSHARED, r0
mov.b @(r0,r8), r6
extu.b r6, r6
mov.l .Lwait5, r1
bsrf r1
nop
mov r2, r4
.Lwait5b:
bra 13b
nop
.align 2
.Lwait4:
.long __lll_mutex_lock_wait-.Lwait4b
.long __lll_lock_wait-.Lwait4b
.Lwake4:
.long __lll_mutex_unlock_wake-.Lwake4b
.long __lll_unlock_wake-.Lwake4b
.Lwait5:
.long __lll_mutex_lock_wait-.Lwait5b
.long __lll_lock_wait-.Lwait5b
.Lwake5:
.long __lll_mutex_unlock_wake-.Lwake5b
.long __lll_unlock_wake-.Lwake5b
.globl pthread_rwlock_wrlock
pthread_rwlock_wrlock = __pthread_rwlock_wrlock

View File

@ -20,14 +20,10 @@
#include <shlib-compat.h>
#include <pthread-errnos.h>
#include <structsem.h>
#include <lowlevellock.h>
#include "lowlevel-atomic.h"
#define SYS_gettimeofday __NR_gettimeofday
#define SYS_futex 240
#define FUTEX_WAIT 0
#define FUTEX_WAKE 1
.text
.globl __new_sem_post
@ -65,7 +61,12 @@ __new_sem_post:
mov.l .Lerrno3, r0
stc gbr, r1
mov.l @(r0, r12), r0
add r1, r0
bra .Lexit
add r1, r0
.align 2
.Lerrno3:
.long errno@GOTTPOFF
.Lexit:
#else
mov.l .Lerrloc3, r1
bsrf r1
@ -81,10 +82,7 @@ __new_sem_post:
.align 2
.Lgot3:
.long _GLOBAL_OFFSET_TABLE_
#if USE___THREAD
.Lerrno3:
.long errno@GOTTPOFF
#else
#if !USE___THREAD
.Lerrloc3:
.long __errno_location@PLT-(.Lerrloc3b-.)
#endif

View File

@ -21,13 +21,10 @@
#include <pthread-errnos.h>
#include <tcb-offsets.h>
#include <structsem.h>
#include <lowlevellock.h>
#include "lowlevel-atomic.h"
#define SYS_gettimeofday __NR_gettimeofday
#define SYS_futex 240
#define FUTEX_WAIT 0
#if VALUE != 0
# error "code needs to be rewritten for VALUE != 0"
#endif
@ -81,7 +78,7 @@ sem_timedwait:
/* Compute relative timeout. */
mov r15, r4
mov #0, r5
mov #SYS_gettimeofday, r3
mov #__NR_gettimeofday, r3
trapa #0x12
SYSCALL_INST_PAD
@ -180,15 +177,19 @@ sem_timedwait:
mov.l .Lerrno2, r0
stc gbr, r1
mov.l @(r0, r12), r0
add r1, r0
mov.l r10, @r0
bra .Lexit
add r1, r0
.align 2
.Lerrno2:
.long errno@GOTTPOFF
.Lexit:
#else
mov.l .Lerrloc2, r1
bsrf r1
nop
.Lerrloc2b:
mov.l r10, @r0
#endif
mov.l r10, @r0
DEC (@(NWAITERS,r8), r2)
bra 10b
mov #-1, r0
@ -200,10 +201,7 @@ sem_timedwait:
.long 1000000000
.Lgot2:
.long _GLOBAL_OFFSET_TABLE_
#if USE___THREAD
.Lerrno2:
.long errno@GOTTPOFF
#else
#if !USE___THREAD
.Lerrloc2:
.long __errno_location@PLT-(.Lerrloc2b-.)
#endif

View File

@ -1,4 +1,4 @@
/* 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
@ -19,6 +19,7 @@
#include <sysdep.h>
#include <shlib-compat.h>
#include <pthread-errnos.h>
#include <lowlevellock.h>
#include "lowlevel-atomic.h"
@ -60,15 +61,19 @@ __new_sem_trywait:
mov.l .Lerrno1, r0
stc gbr, r1
mov.l @(r0, r12), r0
add r1, r0
mov.l r8, @r0
bra .Lexit
add r1, r0
.align 2
.Lerrno1:
.long errno@GOTTPOFF
.Lexit:
#else
mov.l .Lerrloc1, r1
bsrf r1
nop
.Lerrloc1b:
mov.l r8, @r0
#endif
mov.l r8, @r0
lds.l @r15+, pr
mov.l @r15+, r8
mov.l @r15+, r12
@ -78,10 +83,7 @@ __new_sem_trywait:
.align 2
.Lgot1:
.long _GLOBAL_OFFSET_TABLE_
#if USE___THREAD
.Lerrno1:
.long errno@GOTTPOFF
#else
#if !USE___THREAD
.Lerrloc1:
.long __errno_location@PLT-(.Lerrloc1b-.)
#endif

View File

@ -1,4 +1,4 @@
/* 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
@ -21,13 +21,10 @@
#include <pthread-errnos.h>
#include <tcb-offsets.h>
#include <structsem.h>
#include <lowlevellock.h>
#include "lowlevel-atomic.h"
#define SYS_gettimeofday __NR_gettimeofday
#define SYS_futex 240
#define FUTEX_WAIT 0
#if VALUE != 0
# error "code needs to be rewritten for VALUE != 0"
#endif
@ -138,24 +135,26 @@ __new_sem_wait:
mov.l .Lerrno0, r0
stc gbr, r1
mov.l @(r0, r12), r0
add r1, r0
mov.l r8, @r0
bra .Lexit
add r1, r0
.align 2
.Lerrno0:
.long errno@GOTTPOFF
.Lexit:
#else
mov.l .Lerrloc0, r1
bsrf r1
nop
.Lerrloc0b:
mov.l r8, @r0
#endif
mov.l r8, @r0
bra 9b
mov #-1, r0
.align 2
.Lgot0:
.long _GLOBAL_OFFSET_TABLE_
#if USE___THREAD
.Lerrno0:
.long errno@GOTTPOFF
#else
#if !USE___THREAD
.Lerrloc0:
.long __errno_location@PLT-(.Lerrloc0b-.)
#endif