summaryrefslogtreecommitdiff
path: root/nptl/sysdeps/unix/sysv/linux/sh
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2003-03-29 01:24:20 +0000
committerUlrich Drepper <drepper@redhat.com>2003-03-29 01:24:20 +0000
commitdd731d53dcdbb24cd2a3f299a2ba4362505d3f55 (patch)
tree9db2cc09616d8073cc8c2888036e01cc60970d5b /nptl/sysdeps/unix/sysv/linux/sh
parent10e717a20778341a2e8c7d11e3cb1cc90e943602 (diff)
Update.
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.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/sh')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.S2
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/lowlevelmutex.S12
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_broadcast.S34
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S94
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S102
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/pthread_once.S2
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_rdlock.S9
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedrdlock.S25
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S35
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_unlock.S54
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_wrlock.S15
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/sem_post.S4
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/sem_trywait.S2
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/sem_wait.S2
14 files changed, 282 insertions, 110 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.S
index ecb0059036..115c5292dd 100644
--- a/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.S
+++ b/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.S
@@ -177,8 +177,6 @@ __lll_timedwait_tid:
trapa #0x14
SYSCALL_INST_PAD
- mov r0, r1
-
mov.l @r8, r0
tst r0, r0
bf 1f
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/lowlevelmutex.S b/nptl/sysdeps/unix/sysv/linux/sh/lowlevelmutex.S
index 6df513cbec..0aa2048d11 100644
--- a/nptl/sysdeps/unix/sysv/linux/sh/lowlevelmutex.S
+++ b/nptl/sysdeps/unix/sysv/linux/sh/lowlevelmutex.S
@@ -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
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_broadcast.S b/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_broadcast.S
index 93818f96df..8dd31aac29 100644
--- a/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_broadcast.S
+++ b/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_broadcast.S
@@ -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)
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S b/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S
index 59aeff70fb..6ad987d005 100644
--- a/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S
+++ b/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S
@@ -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)
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S b/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S
index 342e78ed6e..a32df21f29 100644
--- a/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S
+++ b/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S
@@ -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)
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/pthread_once.S b/nptl/sysdeps/unix/sysv/linux/sh/pthread_once.S
index c17701cffc..c292af02c0 100644
--- a/nptl/sysdeps/unix/sysv/linux/sh/pthread_once.S
+++ b/nptl/sysdeps/unix/sysv/linux/sh/pthread_once.S
@@ -122,7 +122,7 @@ __pthread_once:
#endif
mov.l .Lcpush, r1
bsrf r1
- mov r3, r6
+ mov r9, r6
.Lcpush0:
jsr @r8
nop
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_rdlock.S b/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_rdlock.S
index 1aa1c72bbf..27aecad314 100644
--- a/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_rdlock.S
+++ b/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_rdlock.S
@@ -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. */
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedrdlock.S b/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedrdlock.S
index 84b5cdda3b..6f3f67e07b 100644
--- a/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedrdlock.S
+++ b/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedrdlock.S
@@ -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
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S b/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S
index 60ff48f90a..89bdc76d37 100644
--- a/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S
+++ b/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S
@@ -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
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_unlock.S b/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_unlock.S
index af046aad47..8303a984ae 100644
--- a/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_unlock.S
+++ b/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_unlock.S
@@ -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
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_wrlock.S b/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_wrlock.S
index 06d56e04cb..1456292a73 100644
--- a/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_wrlock.S
+++ b/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_wrlock.S
@@ -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
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/sem_post.S b/nptl/sysdeps/unix/sysv/linux/sh/sem_post.S
index 90e63ed184..a080e17abe 100644
--- a/nptl/sysdeps/unix/sysv/linux/sh/sem_post.S
+++ b/nptl/sysdeps/unix/sysv/linux/sh/sem_post.S
@@ -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)
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/sem_trywait.S b/nptl/sysdeps/unix/sysv/linux/sh/sem_trywait.S
index c80839ef30..fc505b4af5 100644
--- a/nptl/sysdeps/unix/sysv/linux/sh/sem_trywait.S
+++ b/nptl/sysdeps/unix/sysv/linux/sh/sem_trywait.S
@@ -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)
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/sem_wait.S b/nptl/sysdeps/unix/sysv/linux/sh/sem_wait.S
index f7bca99fc3..49b76c6d8c 100644
--- a/nptl/sysdeps/unix/sysv/linux/sh/sem_wait.S
+++ b/nptl/sysdeps/unix/sysv/linux/sh/sem_wait.S
@@ -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)