2003-03-28  Kaz Kojima  <kkojima@rr.iij4u.or.jp>

	* sysdeps/sh/bits/atomic.h (__arch_compare_and_exchange_val_8_acq):
	Return old value. Make asm output reg constraint earlyclobber.
	Renamed from...
	(__arch_compare_and_exchange_8_acq): ... this.
	(__arch_compare_and_exchange_val_16_acq):
	Return old value. Make asm output reg constraint earlyclobber.
	Renamed from...
	(__arch_compare_and_exchange_16_acq): ... this.
	(__arch_compare_and_exchange_val_32_acq):
	Return old value. Make asm output reg constraint earlyclobber.
	Renamed from...
	(__arch_compare_and_exchange_32_acq): ... this.
	(__arch_compare_and_exchange_val_64_acq):
	Renamed from...
	(__arch_compare_and_exchange_64_acq): ... this.
	(atomic_exchange_and_add): Use local variables and
	__arch_compare_and_exchange_val_64_acq.
	(atomic_add): Likewise.
	(atomic_add_negative, atomic_add_zero): Use local variables.

	* Makefile: Remove libmd5crypt goal.
This commit is contained in:
Ulrich Drepper 2003-03-29 01:24:20 +00:00
parent 10e717a207
commit dd731d53dc
17 changed files with 382 additions and 160 deletions

View File

@ -16,15 +16,35 @@
* sysdeps/powerpc/bits/atomic.h [! __powerpc64__]
(__arch_atomic_decrement_if_positive_64): Fix bogus definition.
2003-03-28 Kaz Kojima <kkojima@rr.iij4u.or.jp>
* sysdeps/sh/bits/atomic.h (__arch_compare_and_exchange_val_8_acq):
Return old value. Make asm output reg constraint earlyclobber.
Renamed from...
(__arch_compare_and_exchange_8_acq): ... this.
(__arch_compare_and_exchange_val_16_acq):
Return old value. Make asm output reg constraint earlyclobber.
Renamed from...
(__arch_compare_and_exchange_16_acq): ... this.
(__arch_compare_and_exchange_val_32_acq):
Return old value. Make asm output reg constraint earlyclobber.
Renamed from...
(__arch_compare_and_exchange_32_acq): ... this.
(__arch_compare_and_exchange_val_64_acq):
Renamed from...
(__arch_compare_and_exchange_64_acq): ... this.
(atomic_exchange_and_add): Use local variables and
__arch_compare_and_exchange_val_64_acq.
(atomic_add): Likewise.
(atomic_add_negative, atomic_add_zero): Use local variables.
2003-03-28 Alexandre Oliva <aoliva@redhat.com>
* sysdeps/unix/mips/sysdep.S: Include sys/asm.h.
* sysdeps/unix/sysv/linux/mips/configure: Rebuilt.
2003-03-27 Ulrich Drepper <drepper@redhat.com>
* Makefile: Remove libmd5script goal.
* Makefile: Remove libmd5crypt goal.
2003-03-25 Jakub Jelinek <jakub@redhat.com>

View File

@ -1,3 +1,36 @@
2003-03-28 Kaz Kojima <kkojima@rr.iij4u.or.jp>
* sysdeps/sh/tls.h: Include nptl/descr.h after the definition
of TLS_DTV_AT_TP.
(INSTALL_DTV): Add parens.
(THREAD_GETMEM, THREAD_GETMEM_NC, THREAD_SETMEM, THREAD_SETMEM_NC):
Use passed descr instead of THREAD_SELF.
* sysdeps/unix/sysv/linux/sh/lowlevelmutex.S
(__lll_mutex_timedlock_wait): Correct expected value after
spurious wakeup.
* sysdeps/unix/sysv/linux/sh/pthread_cond_broadcast.S:
Release lock before waking up the waiters.
* sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S: Correct exit
criteria. Reorderstruct passed to cleanup handler. Fix
handling of cancellation and failung pthread_mutex_unlock call.
Use __pthread_enable_asynccancel_2 instead of
__pthread_enable_asynccancel.
* sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S: Likewise.
Return result of lock re-get if it fails.
* sysdeps/unix/sysv/linux/sh/pthread_once.S: Fix wrong argument
for __pthread_cleanup_push.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_rdlock.S: Fix
completely broken rwlock implementation.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_wrlock.S: Likewise.
* 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: Fix error value. Use
versioned_symbol macro.
* sysdeps/unix/sysv/linux/sh/sem_trywait.S: Use versioned_symbol macro.
* sysdeps/unix/sysv/linux/sh/sem_wait.S: Likewise.
2003-03-27 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/kernel-posix-timers.h: Don't declare

View File

@ -177,8 +177,6 @@ __lll_timedwait_tid:
trapa #0x14
SYSCALL_INST_PAD
mov r0, r1
mov.l @r8, r0
tst r0, r0
bf 1f

View File

@ -73,12 +73,13 @@ __lll_mutex_timedlock_wait:
mov r5, r8
mov r6, r9
mov r4, r10
add #1, r10
/* Stack frame for the timespec and timeval structs. */
add #-8, r15
1:
add #1, r10
/* Get current time. */
mov r15, r4
mov #0, r5
@ -116,10 +117,11 @@ __lll_mutex_timedlock_wait:
extu.b r3, r3
trapa #0x14
SYSCALL_INST_PAD
mov r0, r4
mov #1, r3
XADD (r3, @r8, r10)
tst r10, r10
mov #1, r10
XADD (r10, @r8, r3)
tst r3, r3
bf 7f
mov #2, r1
@ -134,7 +136,7 @@ __lll_mutex_timedlock_wait:
7:
/* Check whether the time expired. */
mov #-ETIMEDOUT, r1
cmp/eq r0, r1
cmp/eq r4, r1
bt 5f
bra 1b
nop

View File

@ -59,10 +59,20 @@ __pthread_cond_broadcast:
bf 4f
3:
/* Case all currently waiting threads to wake up. */
/* Cause all currently waiting threads to recognize they are
woken up. */
mov.l r1, @(wakeup_seq,r8)
mov.l r0, @(wakeup_seq+4,r8)
/* Unlock. */
#if cond_lock != 0
DEC (@(cond_lock,r8), r2)
#else
DEC (@r8, r2)
#endif
tst r2, r2
bf 7f
8:
/* Wake up all threads. */
mov r8, r4
add #wakeup_seq, r4
@ -75,6 +85,11 @@ __pthread_cond_broadcast:
trapa #0x14
SYSCALL_INST_PAD
mov #0, r0
lds.l @r15+, pr
rts
mov.l @r15+, r8
4:
/* Unlock. */
#if cond_lock != 0
@ -104,7 +119,7 @@ __pthread_cond_broadcast:
nop
5:
/* Unlock in loop requires waekup. */
/* Unlock in loop requires wakeup. */
mov r8, r4
#if cond_lock != 0
add #cond_lock, r4
@ -116,11 +131,26 @@ __pthread_cond_broadcast:
bra 6b
nop
7:
/* Unlock in loop requires wakeup. */
mov r8, r4
#if cond_lock != 0
add #cond_lock, r4
#endif
mov.l .Lmwake6, r1
bsrf r1
nop
.Lmwake6b:
bra 8b
nop
.align 2
.Lmwait5:
.long __lll_mutex_lock_wait-.Lmwait5b
.Lmwake5:
.long __lll_mutex_unlock_wake-.Lmwake5b
.Lmwake6:
.long __lll_mutex_unlock_wake-.Lmwake6b
.size __pthread_cond_broadcast, .-__pthread_cond_broadcast
versioned_symbol (libpthread, __pthread_cond_broadcast, pthread_cond_broadcast,
GLIBC_2_3_2)

View File

@ -41,7 +41,7 @@ __pthread_cond_timedwait:
mov.l r9, @-r15
mov.l r8, @-r15
sts.l pr, @-r15
add #-48, r15
add #-64, r15
mov r4, r8
mov r5, r9
mov r6, r10
@ -64,6 +64,9 @@ __pthread_cond_timedwait:
mov r9, r4
.Lmunlock1b:
tst r0, r0
bf 16f
mov #1, r2
mov #0, r3
@ -86,18 +89,21 @@ __pthread_cond_timedwait:
mov.l .Lccleanup1, r5
#endif
mov r15, r4
add #28, r4
add #36, r4
mov.l .Lccpush1, r1
bsrf r1
mov r8, r6
mov r15, r6
.Lccpush1b:
/* Get and store current wakeup_seq value. */
mov.l @(wakeup_seq,r8), r0
mov.l @(wakeup_seq+4,r8), r1
mov.l r0, @(12,r15)
mov.l r1, @(16,r15)
mov.l r0, @(20,r15)
mov.l r1, @(24,r15)
/* Prepare structure passed to cancellation handler. */
mov.l r9, @r15
mov.l r8, @(4,r15)
/* Unlock. */
8:
@ -111,27 +117,28 @@ __pthread_cond_timedwait:
bra 3f
nop
4:
mov r15, r4
mov.l .Lenable1, r1
bsrf r1
nop
add #8, r4
.Lenable1b:
mov.l r0, @r15
/* Get current time. */
mov r15, r4
add #4, r4
add #12, r4
mov #0, r5
mov #SYS_gettimeofday, r3
trapa #0x12
SYSCALL_INST_PAD
/* Compute relative timeout. */
mov.l @(8,r15), r0
mov.l @(16,r15), r0
mov.w .L1k, r1
dmulu.l r0, r1 /* Milli seconds to nano seconds. */
mov.l @r10, r2
mov.l @(4,r10), r3
mov.l @(4,r15), r0
mov.l @(12,r15), r0
sts macl, r1
sub r0, r2
clrt
@ -145,24 +152,24 @@ __pthread_cond_timedwait:
bf 13f /* Time is already up. */
/* Store relative timeout. */
mov.l r2, @(4,r15)
mov.l r3, @(8,r15)
mov.l r2, @(12,r15)
mov.l r3, @(16,r15)
mov r15, r7
add #4, r7
add #12, r7
mov #FUTEX_WAIT, r5
mov.l @(12,r15), r6
mov.l @(20,r15), r6
mov r8, r4
add #wakeup_seq, r4
mov #SYS_futex, r3
extu.b r3, r3
trapa #0x14
SYSCALL_INST_PAD
mov.l r0, @(20,r15)
mov.l r0, @(28,r15)
mov.l .Ldisable1, r1
bsrf r1
mov.l @r15, r4
mov.l @(8,r15), r4
.Ldisable1b:
/* Lock. */
@ -181,14 +188,14 @@ __pthread_cond_timedwait:
mov.l @(wakeup_seq,r8), r2
mov.l @(wakeup_seq+4,r8), r3
mov.l @(16,r15), r5
cmp/hi r5, r1
mov.l @(24,r15), r5
cmp/hi r5, r3
bt 7f
cmp/hi r1, r5
cmp/hi r3, r5
bt 15f
mov.l @(12,r15), r5
cmp/hi r0, r5
mov.l @(20,r15), r5
cmp/hs r2, r5
bt 15f
7:
cmp/hi r1, r3
@ -198,7 +205,7 @@ __pthread_cond_timedwait:
cmp/hi r0, r2
bt 9f
15:
mov.l @(20,r15),r0
mov.l @(28,r15),r0
cmp/eq #-ETIMEDOUT, r0
bf 8b
13:
@ -214,11 +221,11 @@ __pthread_cond_timedwait:
mov.l r1,@(wakeup_seq+4,r8)
mov #ETIMEDOUT, r0
bra 14f
mov.l r0, @(24,r15)
mov.l r0, @(32,r15)
9:
mov #0, r0
mov.l r0, @(24,r15)
mov.l r0, @(32,r15)
14:
mov #1, r2
mov #0, r3
@ -242,7 +249,7 @@ __pthread_cond_timedwait:
11:
/* Remove cancellation handler. */
mov r15, r4
add #28, r4
add #36, r4
mov.l .Lcpop1, r1
bsrf r1
mov #0, r5
@ -254,11 +261,13 @@ __pthread_cond_timedwait:
mov #0, r5
.Lmlocki1b:
mov.l @(24,r15), r0
/* We return the result of the mutex_lock operation if it failed. */
tst r0, r0
bf 18f
mov.l @(32,r15), r0
add #48, r15
/* We return the result of the mutex_lock operation. */
18:
add #64, r15
lds.l @r15+, pr
mov.l @r15+, r8
mov.l @r15+, r9
@ -284,7 +293,7 @@ __pthread_cond_timedwait:
.Lccpush1:
.long __pthread_cleanup_push-.Lccpush1b
.Lenable1:
.long __pthread_enable_asynccancel-.Lenable1b
.long __pthread_enable_asynccancel_2-.Lenable1b
.Ldisable1:
.long __pthread_disable_asynccancel-.Ldisable1b
.Lcpop1:
@ -346,6 +355,29 @@ __pthread_cond_timedwait:
bra 11b
nop
16:
/* The initial unlocking of the mutex failed. */
mov.l r0, @(32,r15)
#if cond_lock != 0
DEC (@(cond_lock,r8), r2)
#else
DEC (@r8, r2)
#endif
tst r2, r2
bf 17f
mov r8, r4
#if cond_lock != 0
add #cond_lock, r4
#endif
mov.l .Lmwake4, r1
bsrf r1
nop
.Lmwake4b:
17:
bra 18b
mov.l @(32,r15), r0
.align 2
.Lmwait2:
.long __lll_mutex_lock_wait-.Lmwait2b
@ -355,6 +387,8 @@ __pthread_cond_timedwait:
.long __lll_mutex_lock_wait-.Lmwait3b
.Lmwake3:
.long __lll_mutex_unlock_wake-.Lmwake3b
.Lmwake4:
.long __lll_mutex_unlock_wake-.Lmwake4b
.size __pthread_cond_timedwait, .-__pthread_cond_timedwait
versioned_symbol (libpthread, __pthread_cond_timedwait, pthread_cond_timedwait,
GLIBC_2_3_2)

View File

@ -34,8 +34,10 @@
.hidden __condvar_cleanup
__condvar_cleanup:
mov.l r8, @-r15
mov.l r9, @-r15
sts.l pr, @-r15
mov r4, r8
mov r4, r9
mov.l @(4,r9), r8
/* Get internal lock. */
mov #1, r3
@ -93,7 +95,33 @@ __condvar_cleanup:
nop
.Lwake0b:
2:
/* Wake up all waiters to make sure no signal gets lost. */
mov r8, r4
add #wakeup_seq, 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
/* Lock the mutex unless asynchronous cancellation is in effect. */
mov.l @(8,r9), r0
and #2, r0
tst r0, r0
bf 3f
mov.l .Lmlocki1, r1
bsrf r1
mov.l @r9, r4
.Lmlocki1b:
3:
lds.l @r15+, pr
mov.l @r15+, r9
rts
mov.l @r15+, r8
@ -102,6 +130,8 @@ __condvar_cleanup:
.long __lll_mutex_lock_wait-.Lwait0b
.Lwake0:
.long __lll_mutex_unlock_wake-.Lwake0b
.Lmlocki1:
.long __pthread_mutex_lock_internal-.Lmlocki1b
.size __condvar_cleanup, .-__condvar_cleanup
@ -114,7 +144,7 @@ __pthread_cond_wait:
mov.l r9, @-r15
mov.l r8, @-r15
sts.l pr, @-r15
add #-32, r15
add #-48, r15
mov r4, r8
mov r5, r9
@ -134,6 +164,9 @@ __pthread_cond_wait:
mov r9, r4
.Lmunlock0b:
tst r0, r0
bf 12f
mov #1, r2
mov #0, r3
@ -156,18 +189,21 @@ __pthread_cond_wait:
mov.l .Lccleanup0, r5
#endif
mov r15, r4
add #12, r4
add #20, r4
mov.l .Lccpush0, r1
bsrf r1
mov r8, r6
mov r15, r6
.Lccpush0b:
/* Get and store current wakeup_seq value. */
mov.l @(wakeup_seq,r8), r0
mov.l @(wakeup_seq+4,r8), r1
mov.l r0, @(4,r15)
mov.l r1, @(8,r15)
mov.l r0, @(12,r15)
mov.l r1, @(16,r15)
/* Prepare structure passed to cancellation handler. */
mov.l r9, @r15
mov.l r8, @(4,r15)
8:
/* Unlock. */
@ -179,15 +215,15 @@ __pthread_cond_wait:
tst r2, r2
bf 3f
4:
mov r15, r4
mov.l .Lenable0, r1
bsrf r1
nop
add #8, r4
.Lenable0b:
mov.l r0, @r15
mov #0, r7
mov #FUTEX_WAIT, r5
mov.l @(4,r15), r6
mov.l @(12,r15), r6
mov r8, r4
add #wakeup_seq, r4
mov #SYS_futex, r3
@ -197,7 +233,7 @@ __pthread_cond_wait:
mov.l .Ldisable0, r1
bsrf r1
mov.l @r15, r4
mov.l @(8,r15), r4
.Ldisable0b:
/* Lock. */
@ -216,14 +252,14 @@ __pthread_cond_wait:
mov.l @(wakeup_seq,r8), r2
mov.l @(wakeup_seq+4,r8), r3
mov.l @(8,r15), r5
cmp/hi r5, r1
mov.l @(16,r15), r5
cmp/hi r5, r3
bt 7f
cmp/hi r1, r5
cmp/hi r3, r5
bt 8b
mov.l @(4,r15), r5
cmp/hi r0, r5
mov.l @(12,r15), r5
cmp/hs r2, r5
bt 8b
7:
cmp/hi r1, r3
@ -255,7 +291,7 @@ __pthread_cond_wait:
11:
/* Remove cancellation handler. */
mov r15, r4
add #12, r4
add #20, r4
mov.l .Lcpop0, r1
bsrf r1
mov #0, r5
@ -266,10 +302,10 @@ __pthread_cond_wait:
bsrf r1
mov #0, r5
.Lmlocki0b:
add #32, r15
/* We return the result of the mutex_lock operation. */
14:
add #48, r15
lds.l @r15+, pr
mov.l @r15+, r8
mov.l @r15+, r9
@ -291,7 +327,7 @@ __pthread_cond_wait:
.Lccpush0:
.long __pthread_cleanup_push-.Lccpush0b
.Lenable0:
.long __pthread_enable_asynccancel-.Lenable0b
.long __pthread_enable_asynccancel_2-.Lenable0b
.Ldisable0:
.long __pthread_disable_asynccancel-.Ldisable0b
.Lcpop0:
@ -350,6 +386,30 @@ __pthread_cond_wait:
bra 11b
nop
12:
/* The initial unlocking of the mutex failed. */
mov.l r0, @-r15
#if cond_lock != 0
DEC (@(cond_lock,r8), r2)
#else
DEC (@r8, r2)
#endif
tst r2, r2
bf 13f
mov r8, r4
#if cond_lock != 0
add #cond_lock, r4
#endif
mov.l .Lmwake2, r1
bsrf r1
nop
.Lmwake2b:
13:
bra 14b
mov.l @r15+, r0
.align 2
.Lmwait0:
.long __lll_mutex_lock_wait-.Lmwait0b
@ -359,6 +419,8 @@ __pthread_cond_wait:
.long __lll_mutex_lock_wait-.Lmwait1b
.Lmwake1:
.long __lll_mutex_unlock_wake-.Lmwake1b
.Lmwake2:
.long __lll_mutex_unlock_wake-.Lmwake2b
.size __pthread_cond_wait, .-__pthread_cond_wait
versioned_symbol (libpthread, __pthread_cond_wait, pthread_cond_wait,
GLIBC_2_3_2)

View File

@ -122,7 +122,7 @@ __pthread_once:
#endif
mov.l .Lcpush, r1
bsrf r1
mov r3, r6
mov r9, r6
.Lcpush0:
jsr @r8
nop

View File

@ -75,7 +75,8 @@ __pthread_rwlock_rdlock:
mov r8, r4
add #READERS_WAKEUP, r4
mov #FUTEX_WAIT, r5
mov #0, r6
mov.l @(READERS_WAKEUP,r8), r6
mov #0, r7
mov #SYS_futex, r3
extu.b r3, r3
trapa #0x14
@ -93,11 +94,8 @@ __pthread_rwlock_rdlock:
13:
mov.l @(READERS_QUEUED,r8), r0
add #-1, r0
mov.l r0, @(READERS_QUEUED,r8)
tst r0, r0
bf 2b
bra 2b
mov.l r0, @(READERS_WAKEUP,r8)
mov.l r0, @(READERS_QUEUED,r8)
5:
mov #0, r3
@ -138,7 +136,6 @@ __pthread_rwlock_rdlock:
stc gbr, r1
mov.w .Ltcboff,r2
sub r2,r1
mov.l @(8,r1),r1
cmp/eq r1, r0
bf 3b
/* Deadlock detected. */

View File

@ -62,6 +62,12 @@ pthread_rwlock_timedrdlock:
tst r0, r0
bt 5f
3:
/* Check the value of the timeout parameter. */
mov.l .L1g0, r1
mov.l @(4,r9), r0
cmp/hs r1, r0
bt 19f
mov.l @(READERS_QUEUED,r8), r0
add #1, r0
mov.l r0, @(READERS_QUEUED,r8)
@ -109,7 +115,7 @@ pthread_rwlock_timedrdlock:
/* Futex call. */
mov r15, r7
mov #FUTEX_WAIT, r5
mov #0, r6
mov.l @(READERS_WAKEUP,r8), r6
mov r8, r4
add #READERS_WAKEUP, r4
mov #SYS_futex, r3
@ -131,16 +137,16 @@ pthread_rwlock_timedrdlock:
bf 12f
13:
mov #-ETIMEDOUT, r0
cmp/eq r0, r3
bt 18f
mov.l @(READERS_QUEUED,r8), r0
add #-1, r0
mov.l r0, @(READERS_QUEUED,r8)
tst r0, r0
mov #-ETIMEDOUT, r0
cmp/eq r0, r3
bf 2b
bra 2b
mov.l r0, @(READERS_WAKEUP,r8)
18:
bra 9f
mov #ETIMEDOUT, r3
5:
mov #0, r3
@ -189,7 +195,6 @@ pthread_rwlock_timedrdlock:
stc gbr, r1
mov.w .Ltcboff,r2
sub r2,r1
mov.l @(8,r1),r1
cmp/eq r1, r0
bf 3b
/* Deadlock detected. */
@ -253,9 +258,9 @@ pthread_rwlock_timedrdlock:
bra 17b
mov #-ETIMEDOUT, r3
18:
19:
bra 9b
mov #ETIMEDOUT, r3
mov #EINVAL, r3
.Ltcboff:
.word TLS_PRE_TCB_SIZE

View File

@ -59,6 +59,12 @@ pthread_rwlock_timedwrlock:
tst r0, r0
bt 5f
3:
/* Check the value of the timeout parameter. */
mov.l .L1g1, r1
mov.l @(4,r9), r0
cmp/hs r1, r0
bt 19f
mov.l @(WRITERS_QUEUED,r8), r0
add #1, r0
mov.l r0, @(WRITERS_QUEUED,r8)
@ -106,7 +112,7 @@ pthread_rwlock_timedwrlock:
/* Futex call. */
mov r15, r7
mov #FUTEX_WAIT, r5
mov #0, r6
mov.l @(WRITERS_WAKEUP,r8), r6
mov r8, r4
add #WRITERS_WAKEUP, r4
mov #SYS_futex, r3
@ -128,22 +134,26 @@ pthread_rwlock_timedwrlock:
bf 12f
13:
mov #-ETIMEDOUT, r0
cmp/eq r0, r3
bt 18f
mov.l @(WRITERS_QUEUED,r8), r0
add #-1, r0
mov.l r0, @(WRITERS_QUEUED,r8)
mov #0, r0
bra 2b
mov.l r0, @(WRITERS_WAKEUP,r8)
mov #-ETIMEDOUT, r0
cmp/eq r0, r3
bf 2b
18:
bra 9f
mov #ETIMEDOUT, r3
19:
bra 9f
mov #EINVAL, r3
5:
mov #0, r3
stc gbr, r1
stc gbr, r0
mov.w .Ltcboff,r2
sub r2,r1
mov.l @(8,r1),r0
sub r2,r0
mov.l r0, @(WRITER,r8)
9:
#if MUTEX == 0
@ -184,7 +194,6 @@ pthread_rwlock_timedwrlock:
stc gbr, r1
mov.w .Ltcboff,r2
sub r2,r1
mov.l @(8,r1),r1
cmp/eq r1, r0
bf 3b
bra 9b
@ -238,10 +247,6 @@ pthread_rwlock_timedwrlock:
bra 17b
mov #-ETIMEDOUT, r3
18:
bra 9b
mov #ETIMEDOUT, r3
.Ltcboff:
.word TLS_PRE_TCB_SIZE
.align 2

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@ -57,24 +57,48 @@ __pthread_rwlock_unlock:
5:
mov #0, r0
mov.l r0, @(WRITER,r8)
mov #1, r6
mov r8, r4
add #WRITERS_WAKEUP, r4
mov.l @(WRITERS_QUEUED,r8), r0
tst r0, r0
bf 9f
bf 0f
/* If also no readers waiting nothing to do. */
mov.l @(READERS_QUEUED,r8), r0
tst r0, r0
bt 6f
mov #-1, r6
shlr r6 /* r6 = 0x7fffffff */
bra 0f
add #READERS_WAKEUP, r4
9:
mov #1, r6
add #WRITERS_WAKEUP, r4
mov r8, r4
add #READERS_WAKEUP, r4
0:
mov.l @r4, r0
add #1, r0
mov.l r0, @r4
#if MUTEX == 0
DEC (@r8, r2)
#else
DEC (@(MUTEX,r8), r2)
#endif
tst r2, r2
bf 7f
8:
mov #FUTEX_WAKE, r5
mov #SYS_futex, r3
mov #0, r7
extu.b r3, r3
trapa #0x14
SYSCALL_INST_PAD
lds.l @r15+, pr
mov.l @r15+, r8
mov.l @r15+, r12
rts
mov #0, r0
6:
#if MUTEX == 0
DEC (@r8, r2)
@ -114,11 +138,29 @@ __pthread_rwlock_unlock:
bra 4b
nop
7:
mov.l r4, @-r15
mov.l r6, @-r15
mov r8, r4
#if MUTEX != 0
add #MUTEX, r4
#endif
mov.l .Lwake9, r1
bsrf r1
nop
.Lwake9b:
mov.l @r15+, r6
bra 8b
mov.l @r15+, r4
.align 2
.Lwait8:
.long __lll_mutex_lock_wait-.Lwait8b
.Lwake8:
.long __lll_mutex_unlock_wake-.Lwake8b
.Lwake9:
.long __lll_mutex_unlock_wake-.Lwake9b
.size __pthread_rwlock_unlock,.-__pthread_rwlock_unlock
.globl pthread_rwlock_unlock

View File

@ -72,7 +72,8 @@ __pthread_rwlock_wrlock:
mov r8, r4
add #WRITERS_WAKEUP, r4
mov #FUTEX_WAIT, r5
mov #0, r6
mov.l @(WRITERS_WAKEUP,r8), r6
mov #0, r7
mov #SYS_futex, r3
extu.b r3, r3
trapa #0x14
@ -88,19 +89,16 @@ __pthread_rwlock_wrlock:
tst r2, r2
bf 12f
13:
mov.l @(READERS_QUEUED,r8), r0
mov.l @(WRITERS_QUEUED,r8), r0
add #-1, r0
mov.l r0, @(READERS_QUEUED,r8)
mov #0, r0
bra 2b
mov.l r0, @(WRITERS_WAKEUP,r8)
mov.l r0, @(WRITERS_QUEUED,r8)
5:
mov #0, r3
stc gbr, r1
stc gbr, r0
mov.w .Ltcboff,r2
sub r2,r1
mov.l @(8,r1),r0
sub r2,r0
mov.l r0, @(WRITER,r8)
9:
#if MUTEX == 0
@ -133,7 +131,6 @@ __pthread_rwlock_wrlock:
stc gbr, r1
mov.w .Ltcboff,r2
sub r2,r1
mov.l @(8,r1),r1
cmp/eq r1, r0
bf 3b
bra 9b

View File

@ -51,7 +51,7 @@ __new_sem_post:
mov #0, r0
1:
mov #EAGAIN, r2
mov #EINVAL, r2
mova .Lgot3, r0
mov.l .Lgot3, r12
add r0, r12
@ -84,4 +84,4 @@ __new_sem_post:
.long __errno_location@PLT-(.Lerrloc3b+2-.)
#endif
.size __new_sem_post,.-__new_sem_post
.symver __new_sem_post, sem_post@@GLIBC_2.2
versioned_symbol(libpthread, __new_sem_post, sem_post, GLIBC_2_1)

View File

@ -91,4 +91,4 @@ __new_sem_trywait:
.long __errno_location@PLT-(.Lerrloc1b+2-.)
#endif
.size __new_sem_trywait,.-__new_sem_trywait
.symver __new_sem_trywait, sem_trywait@@GLIBC_2.2
versioned_symbol(libpthread, __new_sem_trywait, sem_trywait, GLIBC_2_1)

View File

@ -104,4 +104,4 @@ __new_sem_wait:
.long __errno_location@PLT-(.Lerrloc0b+2-.)
#endif
.size __new_sem_wait,.-__new_sem_wait
.symver __new_sem_wait, sem_wait@@GLIBC_2.2
versioned_symbol(libpthread, __new_sem_wait, sem_wait, GLIBC_2_1)

View File

@ -45,61 +45,55 @@ typedef intmax_t atomic_max_t;
typedef uintmax_t uatomic_max_t;
#define __arch_compare_and_exchange_8_acq(mem, newval, oldval) \
({ unsigned char __result; \
#define __arch_compare_and_exchange_val_8_acq(mem, newval, oldval) \
({ __typeof (*mem) __result; \
__asm __volatile ("\
.align 2\n\
mova 1f,r0\n\
nop\n\
mov r15,r1\n\
mov #-8,r15\n\
0: mov.b @%1,r2\n\
cmp/eq r2,%3\n\
0: mov.b @%1,%0\n\
cmp/eq %0,%3\n\
bf 1f\n\
mov.b %2,@%1\n\
1: mov r1,r15\n\
mov #-1,%0\n\
negc %0,%0"\
: "=r" (__result) : "r" (mem), "r" (newval), "r" (oldval) \
: "r0", "r1", "r2", "t", "memory"); \
1: mov r1,r15"\
: "=&r" (__result) : "r" (mem), "r" (newval), "r" (oldval) \
: "r0", "r1", "t", "memory"); \
__result; })
#define __arch_compare_and_exchange_16_acq(mem, newval, oldval) \
({ unsigned char __result; \
#define __arch_compare_and_exchange_val_16_acq(mem, newval, oldval) \
({ __typeof (*mem) __result; \
__asm __volatile ("\
.align 2\n\
mova 1f,r0\n\
nop\n\
mov r15,r1\n\
mov #-8,r15\n\
0: mov.w @%1,r2\n\
cmp/eq r2,%3\n\
0: mov.w @%1,%0\n\
cmp/eq %0,%3\n\
bf 1f\n\
mov.w %2,@%1\n\
1: mov r1,r15\n\
mov #-1,%0\n\
negc %0,%0"\
: "=r" (__result) : "r" (mem), "r" (newval), "r" (oldval) \
: "r0", "r1", "r2", "t", "memory"); \
1: mov r1,r15"\
: "=&r" (__result) : "r" (mem), "r" (newval), "r" (oldval) \
: "r0", "r1", "t", "memory"); \
__result; })
#define __arch_compare_and_exchange_32_acq(mem, newval, oldval) \
({ unsigned char __result; \
#define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \
({ __typeof (*mem) __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\
0: mov.l @%1,%0\n\
cmp/eq %0,%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" (mem), "r" (newval), "r" (oldval) \
: "r0", "r1", "r2", "t", "memory"); \
1: mov r1,r15"\
: "=&r" (__result) : "r" (mem), "r" (newval), "r" (oldval) \
: "r0", "r1", "t", "memory"); \
__result; })
/* XXX We do not really need 64-bit compare-and-exchange. At least
@ -107,11 +101,12 @@ typedef uintmax_t uatomic_max_t;
problems since not many other 32-bit architectures have support for
such an operation. So don't define any code for now. */
# define __arch_compare_and_exchange_64_acq(mem, newval, oldval) \
# define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \
(abort (), 0)
#define atomic_exchange_and_add(mem, value) \
({ __typeof (*mem) __result; \
__typeof (value) __value; \
if (sizeof (*mem) == 1) \
__asm __volatile ("\
.align 2\n\
@ -122,7 +117,7 @@ typedef uintmax_t uatomic_max_t;
add %0,%1\n\
mov.b %1,@%2\n\
1: mov r1,r15"\
: "=&r" (__result), "=&r" (value) : "r" (mem), "1" (value) \
: "=&r" (__result), "=&r" (__value) : "r" (mem), "1" (value) \
: "r0", "r1", "memory"); \
else if (sizeof (*mem) == 2) \
__asm __volatile ("\
@ -134,7 +129,7 @@ typedef uintmax_t uatomic_max_t;
add %0,%1\n\
mov.w %1,@%2\n\
1: mov r1,r15"\
: "=&r" (__result), "=&r" (value) : "r" (mem), "1" (value) \
: "=&r" (__result), "=&r" (__value) : "r" (mem), "1" (value) \
: "r0", "r1", "memory"); \
else if (sizeof (*mem) == 4) \
__asm __volatile ("\
@ -146,22 +141,23 @@ typedef uintmax_t uatomic_max_t;
add %0,%1\n\
mov.l %1,@%2\n\
1: mov r1,r15"\
: "=&r" (__result), "=&r" (value) : "r" (mem), "1" (value) \
: "=&r" (__result), "=&r" (__value) : "r" (mem), "1" (value) \
: "r0", "r1", "memory"); \
else \
{ \
__typeof (value) addval = (value); \
__typeof (*mem) oldval; \
__typeof (mem) memp = (mem); \
do \
__result = (oldval = *memp) + addval; \
while (!__arch_compare_and_exchange_64_acq (memp, __result, oldval));\
__result = *memp; \
while (__arch_compare_and_exchange_val_64_acq \
(memp, __result + addval, __result) == __result); \
(void) addval; \
} \
__result; })
#define atomic_add(mem, value) \
(void) ({ if (sizeof (*mem) == 1) \
(void) ({ __typeof (value) __value; \
if (sizeof (*mem) == 1) \
__asm __volatile ("\
.align 2\n\
mova 1f,r0\n\
@ -171,7 +167,7 @@ typedef uintmax_t uatomic_max_t;
add r2,%0\n\
mov.b %0,@%1\n\
1: mov r1,r15"\
: "=&r" (value) : "r" (mem), "0" (value) \
: "=&r" (__value) : "r" (mem), "0" (value) \
: "r0", "r1", "r2", "memory"); \
else if (sizeof (*mem) == 2) \
__asm __volatile ("\
@ -183,7 +179,7 @@ typedef uintmax_t uatomic_max_t;
add r2,%0\n\
mov.w %0,@%1\n\
1: mov r1,r15"\
: "=&r" (value) : "r" (mem), "0" (value) \
: "=&r" (__value) : "r" (mem), "0" (value) \
: "r0", "r1", "r2", "memory"); \
else if (sizeof (*mem) == 4) \
__asm __volatile ("\
@ -195,7 +191,7 @@ typedef uintmax_t uatomic_max_t;
add r2,%0\n\
mov.l %0,@%1\n\
1: mov r1,r15"\
: "=&r" (value) : "r" (mem), "0" (value) \
: "=&r" (__value) : "r" (mem), "0" (value) \
: "r0", "r1", "r2", "memory"); \
else \
{ \
@ -204,15 +200,15 @@ typedef uintmax_t uatomic_max_t;
__typeof (mem) memp = (mem); \
do \
oldval = *memp; \
while (! __arch_compare_and_exchange_64_acq (memp, \
oldval + addval, \
oldval)); \
while (__arch_compare_and_exchange_val_64_acq \
(memp, oldval + addval, oldval) == oldval); \
(void) addval; \
} \
})
#define atomic_add_negative(mem, value) \
({ unsigned char __result; \
__typeof (value) __value; \
if (sizeof (*mem) == 1) \
__asm __volatile ("\
.align 2\n\
@ -225,7 +221,7 @@ typedef uintmax_t uatomic_max_t;
1: mov r1,r15\n\
shal %1\n\
movt %0"\
: "=r" (__result), "=&r" (value) : "r" (mem), "1" (value) \
: "=r" (__result), "=&r" (__value) : "r" (mem), "1" (value) \
: "r0", "r1", "r2", "t", "memory"); \
else if (sizeof (*mem) == 2) \
__asm __volatile ("\
@ -239,7 +235,7 @@ typedef uintmax_t uatomic_max_t;
1: mov r1,r15\n\
shal %1\n\
movt %0"\
: "=r" (__result), "=&r" (value) : "r" (mem), "1" (value) \
: "=r" (__result), "=&r" (__value) : "r" (mem), "1" (value) \
: "r0", "r1", "r2", "t", "memory"); \
else if (sizeof (*mem) == 4) \
__asm __volatile ("\
@ -253,7 +249,7 @@ typedef uintmax_t uatomic_max_t;
1: mov r1,r15\n\
shal %1\n\
movt %0"\
: "=r" (__result), "=&r" (value) : "r" (mem), "1" (value) \
: "=r" (__result), "=&r" (__value) : "r" (mem), "1" (value) \
: "r0", "r1", "r2", "t", "memory"); \
else \
abort (); \
@ -261,6 +257,7 @@ typedef uintmax_t uatomic_max_t;
#define atomic_add_zero(mem, value) \
({ unsigned char __result; \
__typeof (value) __value; \
if (sizeof (*mem) == 1) \
__asm __volatile ("\
.align 2\n\
@ -273,7 +270,7 @@ typedef uintmax_t uatomic_max_t;
1: mov r1,r15\n\
tst %1,%1\n\
movt %0"\
: "=r" (__result), "=&r" (value) : "r" (mem), "1" (value) \
: "=r" (__result), "=&r" (__value) : "r" (mem), "1" (value) \
: "r0", "r1", "r2", "t", "memory"); \
else if (sizeof (*mem) == 2) \
__asm __volatile ("\
@ -287,7 +284,7 @@ typedef uintmax_t uatomic_max_t;
1: mov r1,r15\n\
tst %1,%1\n\
movt %0"\
: "=r" (__result), "=&r" (value) : "r" (mem), "1" (value) \
: "=r" (__result), "=&r" (__value) : "r" (mem), "1" (value) \
: "r0", "r1", "r2", "t", "memory"); \
else if (sizeof (*mem) == 4) \
__asm __volatile ("\
@ -301,7 +298,7 @@ typedef uintmax_t uatomic_max_t;
1: mov r1,r15\n\
tst %1,%1\n\
movt %0"\
: "=r" (__result), "=&r" (value) : "r" (mem), "1" (value) \
: "=r" (__result), "=&r" (__value) : "r" (mem), "1" (value) \
: "r0", "r1", "r2", "t", "memory"); \
else \
abort (); \