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https://sourceware.org/git/glibc.git
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Update.
2003-07-12 Kaz Kojima <kkojima@rr.iij4u.or.jp> * sysdeps/unix/sysv/linux/sh/socket.S: Save and restore the PR register across CENABLE and CDISABLE.
This commit is contained in:
Ulrich Drepper
parent
6080ecdf3c
commit
4a17085f15
@ -1,3 +1,8 @@
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2003-07-12 Kaz Kojima <kkojima@rr.iij4u.or.jp>
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* sysdeps/unix/sysv/linux/sh/socket.S: Save and restore the PR
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register across CENABLE and CDISABLE.
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2003-07-11 Jakub Jelinek <jakub@redhat.com>
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* sysdeps/unix/sysv/linux/sigwait.c: Include string.h.
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@ -1,3 +1,23 @@
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2003-07-12 Kaz Kojima <kkojima@rr.iij4u.or.jp>
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* sysdeps/sh/tcb-offsets.sym: Add RESULT, TID, CANCELHANDLING and
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CLEANUP_JMP_BUF.
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* sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S: Use more
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registers as variables. Call __pthread_mutex_unlock_usercnt.
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* sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S: Likewise.
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* sysdeps/unix/sysv/linux/sh/pthread_rwlock_rdlock.S: Store TID
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not self pointer in __writer. Compare with TID to determine
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deadlocks.
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* sysdeps/unix/sysv/linux/sh/pthread_rwlock_wrlock.S: Likewise.
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* sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedrdlock.S:
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Likewise.
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* sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S:
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Likewise.
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* sysdeps/unix/sysv/linux/sh/sem_wait.S: Add cancellation support.
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* sysdeps/unix/sysv/linux/sh/sem_timedwait.S: Likewise.
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* sysdeps/unix/sysv/linux/sh/sysdep-cancel.h: Define all the nice
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macros also when compiling librt.
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2003-07-11 Jakub Jelinek <jakub@redhat.com>
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* Makefile (CFLAGS-pthread_once.c): Add -fexceptions
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@ -1,6 +1,10 @@
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#include <sysdep.h>
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#include <tls.h>
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MULTIPLE_THREADS_OFFSET offsetof (struct pthread, header.multiple_threads)
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TLS_PRE_TCB_SIZE sizeof (struct pthread)
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MUTEX_FUTEX offsetof (pthread_mutex_t, __data.__lock)
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RESULT offsetof (struct pthread, result)
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TID offsetof (struct pthread, tid)
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CANCELHANDLING offsetof (struct pthread, cancelhandling)
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CLEANUP_JMP_BUF offsetof (struct pthread, cleanup_jmp_buf)
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MULTIPLE_THREADS_OFFSET offsetof (struct pthread, header.multiple_threads)
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TLS_PRE_TCB_SIZE sizeof (struct pthread)
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MUTEX_FUTEX offsetof (pthread_mutex_t, __data.__lock)
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@ -36,15 +36,17 @@
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.type __pthread_cond_timedwait, @function
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.align 5
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__pthread_cond_timedwait:
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mov.l r12, @-r15
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mov.l r10, @-r15
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mov.l r9, @-r15
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mov.l r8, @-r15
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mov.l r9, @-r15
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mov.l r10, @-r15
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mov.l r11, @-r15
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mov.l r12, @-r15
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mov.l r13, @-r15
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sts.l pr, @-r15
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add #-64, r15
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mov r4, r8
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mov r5, r9
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mov r6, r10
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mov r6, r13
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/* Get internal lock. */
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mov #1, r3
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@ -64,13 +66,16 @@ __pthread_cond_timedwait:
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/* Unlock the mutex. */
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mov.l .Lmunlock1, r1
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mov #0, r5
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bsrf r1
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mov r9, r4
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.Lmunlock1b:
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tst r0, r0
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bf 16f
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bt 0f
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bra 16f
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nop
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0:
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mov #1, r2
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mov #0, r3
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@ -93,7 +98,11 @@ __pthread_cond_timedwait:
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mov.l .Lccleanup1, r5
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#endif
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mov r15, r4
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add #36, r4
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add #32, r4
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/* Prepare structure passed to cancellation handler. */
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mov.l r8, @(4,r15)
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mov.l r9, @(8,r15)
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mov.l .Lccpush1, r1
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bsrf r1
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@ -101,13 +110,8 @@ __pthread_cond_timedwait:
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.Lccpush1b:
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/* Get and store current wakeup_seq value. */
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mov.l @(wakeup_seq,r8), r0
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mov.l @(wakeup_seq+4,r8), r1
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mov.l r0, @(20,r15)
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mov.l r1, @(24,r15)
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/* Prepare structure passed to cancellation handler. */
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mov.l r9, @r15
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mov.l r8, @(4,r15)
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mov.l @(wakeup_seq,r8), r10
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mov.l @(wakeup_seq+4,r8), r11
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/* Unlock. */
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8:
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@ -125,23 +129,23 @@ __pthread_cond_timedwait:
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bsrf r1
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nop
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.Lenable1b:
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mov.l r0, @(8,r15)
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mov.l r0, @r15
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/* Get current time. */
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mov r15, r4
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add #12, r4
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add #16, r4
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mov #0, r5
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mov #SYS_gettimeofday, r3
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trapa #0x12
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SYSCALL_INST_PAD
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/* Compute relative timeout. */
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mov.l @(16,r15), r0
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mov.l @(20,r15), r0
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mov.w .L1k, r1
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dmulu.l r0, r1 /* Milli seconds to nano seconds. */
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mov.l @r10, r2
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mov.l @(4,r10), r3
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mov.l @(12,r15), r0
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mov.l @r13, r2
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mov.l @(4,r13), r3
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mov.l @(16,r15), r0
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sts macl, r1
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sub r0, r2
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clrt
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@ -155,24 +159,24 @@ __pthread_cond_timedwait:
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bf 13f /* Time is already up. */
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/* Store relative timeout. */
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mov.l r2, @(12,r15)
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mov.l r3, @(16,r15)
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mov.l r2, @(16,r15)
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mov.l r3, @(20,r15)
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mov r15, r7
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add #12, r7
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add #16, r7
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mov #FUTEX_WAIT, r5
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mov.l @(20,r15), r6
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mov r10, r6
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mov r8, r4
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add #wakeup_seq, r4
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mov #SYS_futex, r3
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extu.b r3, r3
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trapa #0x14
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SYSCALL_INST_PAD
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mov.l r0, @(28,r15)
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mov.l r0, @(12,r15)
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mov.l .Ldisable1, r1
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bsrf r1
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mov.l @(8,r15), r4
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mov.l @r15, r4
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.Ldisable1b:
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/* Lock. */
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@ -191,14 +195,12 @@ __pthread_cond_timedwait:
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mov.l @(wakeup_seq,r8), r2
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mov.l @(wakeup_seq+4,r8), r3
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mov.l @(24,r15), r5
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cmp/hi r5, r3
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cmp/hi r11, r3
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bt 7f
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cmp/hi r3, r5
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cmp/hi r3, r11
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bt 15f
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mov.l @(20,r15), r5
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cmp/hs r2, r5
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cmp/hs r2, r10
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bt 15f
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7:
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cmp/hi r1, r3
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@ -208,7 +210,7 @@ __pthread_cond_timedwait:
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cmp/hi r0, r2
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bt 9f
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15:
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mov.l @(28,r15),r0
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mov.l @(12,r15),r0
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cmp/eq #-ETIMEDOUT, r0
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bf 8b
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13:
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@ -224,11 +226,11 @@ __pthread_cond_timedwait:
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mov.l r1,@(wakeup_seq+4,r8)
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mov #ETIMEDOUT, r0
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bra 14f
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mov.l r0, @(32,r15)
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mov.l r0, @(24,r15)
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9:
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mov #0, r0
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mov.l r0, @(32,r15)
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mov.l r0, @(24,r15)
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14:
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mov #1, r2
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mov #0, r3
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@ -252,7 +254,7 @@ __pthread_cond_timedwait:
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11:
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/* Remove cancellation handler. */
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mov r15, r4
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add #36, r4
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add #32, r4
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mov.l .Lcpop1, r1
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bsrf r1
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mov #0, r5
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@ -267,23 +269,25 @@ __pthread_cond_timedwait:
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/* We return the result of the mutex_lock operation if it failed. */
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tst r0, r0
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bf 18f
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mov.l @(32,r15), r0
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mov.l @(24,r15), r0
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18:
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add #64, r15
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lds.l @r15+, pr
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mov.l @r15+, r8
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mov.l @r15+, r9
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mov.l @r15+, r13
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mov.l @r15+, r12
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mov.l @r15+, r11
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mov.l @r15+, r10
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mov.l @r15+, r9
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rts
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mov.l @r15+, r12
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mov.l @r15+, r8
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ret
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.L1k:
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.word 1000
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.align 2
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.Lmunlock1:
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.long __pthread_mutex_unlock_internal-.Lmunlock1b
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.long __pthread_mutex_unlock_usercnt-.Lmunlock1b
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#ifdef PIC
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.Lgot1:
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.long _GLOBAL_OFFSET_TABLE_
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@ -360,7 +364,7 @@ __pthread_cond_timedwait:
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16:
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/* The initial unlocking of the mutex failed. */
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mov.l r0, @(32,r15)
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mov.l r0, @(24,r15)
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#if cond_lock != 0
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DEC (@(cond_lock,r8), r2)
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#else
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@ -379,7 +383,7 @@ __pthread_cond_timedwait:
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.Lmwake4b:
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17:
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bra 18b
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mov.l @(32,r15), r0
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mov.l @(24,r15), r0
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.align 2
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.Lmwait2:
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@ -133,9 +133,11 @@ __condvar_cleanup:
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.type __pthread_cond_wait, @function
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.align 5
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__pthread_cond_wait:
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mov.l r12, @-r15
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mov.l r9, @-r15
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mov.l r8, @-r15
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mov.l r9, @-r15
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mov.l r10, @-r15
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mov.l r11, @-r15
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mov.l r12, @-r15
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sts.l pr, @-r15
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add #-48, r15
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mov r4, r8
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@ -149,21 +151,27 @@ __pthread_cond_wait:
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XADD (r3, @r8, r2)
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#endif
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tst r2, r2
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bf 1f
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bt 2f
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bra 1f
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nop
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2:
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/* Store the reference to the mutex. If there is already a
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different value in there this is a bad user bug. */
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mov.l r9, @(dep_mutex,r8)
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/* Unlock the mutex. */
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mov.l .Lmunlock0, r1
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mov #0, r5
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bsrf r1
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mov r9, r4
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.Lmunlock0b:
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tst r0, r0
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bf 12f
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bt 0f
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bra 12f
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nop
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0:
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mov #1, r2
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mov #0, r3
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@ -186,7 +194,11 @@ __pthread_cond_wait:
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mov.l .Lccleanup0, r5
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#endif
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mov r15, r4
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add #20, r4
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add #16, r4
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/* Prepare structure passed to cancellation handler. */
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mov.l r8, @(4,r15)
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mov.l r9, @(8,r15)
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mov.l .Lccpush0, r1
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bsrf r1
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@ -194,13 +206,8 @@ __pthread_cond_wait:
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.Lccpush0b:
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/* Get and store current wakeup_seq value. */
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mov.l @(wakeup_seq,r8), r0
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mov.l @(wakeup_seq+4,r8), r1
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mov.l r0, @(12,r15)
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mov.l r1, @(16,r15)
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/* Prepare structure passed to cancellation handler. */
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mov.l r9, @r15
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mov.l r8, @(4,r15)
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mov.l @(wakeup_seq,r8), r10
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mov.l @(wakeup_seq+4,r8), r11
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8:
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/* Unlock. */
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@ -216,11 +223,11 @@ __pthread_cond_wait:
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bsrf r1
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nop
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.Lenable0b:
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mov.l r0, @(8,r15)
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mov.l r0, @r15
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mov #0, r7
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mov #FUTEX_WAIT, r5
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mov.l @(12,r15), r6
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mov r10, r6
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mov r8, r4
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add #wakeup_seq, r4
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mov #SYS_futex, r3
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@ -230,7 +237,7 @@ __pthread_cond_wait:
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mov.l .Ldisable0, r1
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bsrf r1
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mov.l @(8,r15), r4
|
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mov.l @r15, r4
|
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.Ldisable0b:
|
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|
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/* Lock. */
|
||||
@ -249,14 +256,12 @@ __pthread_cond_wait:
|
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mov.l @(wakeup_seq,r8), r2
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mov.l @(wakeup_seq+4,r8), r3
|
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|
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mov.l @(16,r15), r5
|
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cmp/hi r5, r3
|
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cmp/hi r11, r3
|
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bt 7f
|
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cmp/hi r3, r5
|
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cmp/hi r3, r11
|
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bt 8b
|
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|
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mov.l @(12,r15), r5
|
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cmp/hs r2, r5
|
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cmp/hs r2, r10
|
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bt 8b
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7:
|
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cmp/hi r1, r3
|
||||
@ -288,7 +293,7 @@ __pthread_cond_wait:
|
||||
11:
|
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/* Remove cancellation handler. */
|
||||
mov r15, r4
|
||||
add #20, r4
|
||||
add #16, r4
|
||||
mov.l .Lcpop0, r1
|
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bsrf r1
|
||||
mov #0, r5
|
||||
@ -304,14 +309,16 @@ __pthread_cond_wait:
|
||||
14:
|
||||
add #48, r15
|
||||
lds.l @r15+, pr
|
||||
mov.l @r15+, r8
|
||||
mov.l @r15+, r12
|
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mov.l @r15+, r11
|
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mov.l @r15+, r10
|
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mov.l @r15+, r9
|
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rts
|
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mov.l @r15+, r12
|
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mov.l @r15+, r8
|
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|
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.align 2
|
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.Lmunlock0:
|
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.long __pthread_mutex_unlock_internal-.Lmunlock0b
|
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.long __pthread_mutex_unlock_usercnt-.Lmunlock0b
|
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#ifdef PIC
|
||||
.Lgot0:
|
||||
.long _GLOBAL_OFFSET_TABLE_
|
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@ -385,7 +392,7 @@ __pthread_cond_wait:
|
||||
|
||||
12:
|
||||
/* The initial unlocking of the mutex failed. */
|
||||
mov.l r0, @-r15
|
||||
mov.l r0, @(12,r15)
|
||||
#if cond_lock != 0
|
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DEC (@(cond_lock,r8), r2)
|
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#else
|
||||
@ -405,7 +412,7 @@ __pthread_cond_wait:
|
||||
|
||||
13:
|
||||
bra 14b
|
||||
mov.l @r15+, r0
|
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mov.l @(12,r15), r0
|
||||
|
||||
.align 2
|
||||
.Lmwait0:
|
||||
|
||||
@ -19,6 +19,7 @@
|
||||
#include <sysdep.h>
|
||||
#include <lowlevelrwlock.h>
|
||||
#include <pthread-errnos.h>
|
||||
#include <tcb-offsets.h>
|
||||
#include "lowlevel-atomic.h"
|
||||
|
||||
#define SYS_futex 240
|
||||
@ -137,12 +138,18 @@ __pthread_rwlock_rdlock:
|
||||
nop
|
||||
14:
|
||||
stc gbr, r1
|
||||
mov.w .Ltidoff, r2
|
||||
add r2, r1
|
||||
mov.l @r1, r1
|
||||
cmp/eq r1, r0
|
||||
bf 3b
|
||||
/* Deadlock detected. */
|
||||
bra 9b
|
||||
mov #EDEADLK, r3
|
||||
|
||||
.Ltidoff:
|
||||
.word TID - TLS_PRE_TCB_SIZE
|
||||
|
||||
6:
|
||||
mov r8, r4
|
||||
#if MUTEX != 0
|
||||
|
||||
@ -19,6 +19,7 @@
|
||||
#include <sysdep.h>
|
||||
#include <lowlevelrwlock.h>
|
||||
#include <pthread-errnos.h>
|
||||
#include <tcb-offsets.h>
|
||||
#include "lowlevel-atomic.h"
|
||||
|
||||
#define SYS_gettimeofday __NR_gettimeofday
|
||||
@ -196,12 +197,18 @@ pthread_rwlock_timedrdlock:
|
||||
nop
|
||||
14:
|
||||
stc gbr, r1
|
||||
mov.w .Ltidoff, r2
|
||||
add r2, r1
|
||||
mov.l @r1, r1
|
||||
cmp/eq r1, r0
|
||||
bf 3b
|
||||
/* Deadlock detected. */
|
||||
bra 9b
|
||||
mov #EDEADLK, r3
|
||||
|
||||
.Ltidoff:
|
||||
.word TID - TLS_PRE_TCB_SIZE
|
||||
|
||||
6:
|
||||
mov r8, r4
|
||||
#if MUTEX != 0
|
||||
|
||||
@ -19,6 +19,7 @@
|
||||
#include <sysdep.h>
|
||||
#include <lowlevelrwlock.h>
|
||||
#include <pthread-errnos.h>
|
||||
#include <tcb-offsets.h>
|
||||
#include "lowlevel-atomic.h"
|
||||
|
||||
#define SYS_gettimeofday __NR_gettimeofday
|
||||
@ -154,6 +155,8 @@ pthread_rwlock_timedwrlock:
|
||||
5:
|
||||
mov #0, r3
|
||||
stc gbr, r0
|
||||
mov.w .Ltidoff, r1
|
||||
mov.l @(r0,r1), r0
|
||||
mov.l r0, @(WRITER,r8)
|
||||
9:
|
||||
#if MUTEX == 0
|
||||
@ -193,6 +196,9 @@ pthread_rwlock_timedwrlock:
|
||||
nop
|
||||
14:
|
||||
stc gbr, r1
|
||||
mov.w .Ltidoff, r2
|
||||
add r2, r1
|
||||
mov.l @r1, r1
|
||||
cmp/eq r1, r0
|
||||
bf 3b
|
||||
bra 9b
|
||||
@ -209,6 +215,9 @@ pthread_rwlock_timedwrlock:
|
||||
bra 7b
|
||||
mov #0, r3
|
||||
|
||||
.Ltidoff:
|
||||
.word TID - TLS_PRE_TCB_SIZE
|
||||
|
||||
4:
|
||||
/* Overflow. */
|
||||
mov.l @(WRITERS_QUEUED,r8), r1
|
||||
|
||||
@ -19,6 +19,7 @@
|
||||
#include <sysdep.h>
|
||||
#include <lowlevelrwlock.h>
|
||||
#include <pthread-errnos.h>
|
||||
#include <tcb-offsets.h>
|
||||
#include "lowlevel-atomic.h"
|
||||
|
||||
#define SYS_futex 240
|
||||
@ -99,6 +100,8 @@ __pthread_rwlock_wrlock:
|
||||
5:
|
||||
mov #0, r3
|
||||
stc gbr, r0
|
||||
mov.w .Ltidoff, r1
|
||||
mov.l @(r0,r1), r0
|
||||
mov.l r0, @(WRITER,r8)
|
||||
9:
|
||||
#if MUTEX == 0
|
||||
@ -130,6 +133,9 @@ __pthread_rwlock_wrlock:
|
||||
nop
|
||||
14:
|
||||
stc gbr, r1
|
||||
mov.w .Ltidoff, r2
|
||||
add r2, r1
|
||||
mov.l @r1, r1
|
||||
cmp/eq r1, r0
|
||||
bf 3b
|
||||
bra 9b
|
||||
@ -146,6 +152,9 @@ __pthread_rwlock_wrlock:
|
||||
bra 7b
|
||||
mov #0, r3
|
||||
|
||||
.Ltidoff:
|
||||
.word TID - TLS_PRE_TCB_SIZE
|
||||
|
||||
4:
|
||||
mov.l @(WRITERS_QUEUED,r8), r1
|
||||
add #-1, r1
|
||||
|
||||
@ -19,6 +19,7 @@
|
||||
#include <sysdep.h>
|
||||
#include <shlib-compat.h>
|
||||
#include <pthread-errnos.h>
|
||||
#include <tcb-offsets.h>
|
||||
#include "lowlevel-atomic.h"
|
||||
|
||||
|
||||
@ -33,6 +34,15 @@
|
||||
.type sem_timedwait,@function
|
||||
.align 5
|
||||
sem_timedwait:
|
||||
/* First check for cancellation. */
|
||||
stc gbr, r0
|
||||
mov.w .Lchand, r1
|
||||
mov.l @(r0,r1), r0
|
||||
mov #0xf9, r1
|
||||
and r1, r0
|
||||
cmp/eq #8, r0
|
||||
bt 10f
|
||||
|
||||
mov.l @r4, r0
|
||||
2:
|
||||
tst r0, r0
|
||||
@ -48,9 +58,10 @@ sem_timedwait:
|
||||
|
||||
1:
|
||||
/* Check whether the timeout value is valid. */
|
||||
mov.l r12, @-r15
|
||||
mov.l r9, @-r15
|
||||
mov.l r8, @-r15
|
||||
mov.l r9, @-r15
|
||||
mov.l r10, @-r15
|
||||
mov.l r12, @-r15
|
||||
sts.l pr, @-r15
|
||||
add #-8, r15
|
||||
mov r4, r8
|
||||
@ -63,6 +74,12 @@ sem_timedwait:
|
||||
bt/s 6f
|
||||
mov #EINVAL, r0
|
||||
7:
|
||||
mov.l .Lenable0, r1
|
||||
bsrf r1
|
||||
nop
|
||||
.Lenable0b:
|
||||
mov r0, r10
|
||||
|
||||
/* Compute relative timeout. */
|
||||
mov r15, r4
|
||||
mov #0, r5
|
||||
@ -102,6 +119,13 @@ sem_timedwait:
|
||||
trapa #0x14
|
||||
SYSCALL_INST_PAD
|
||||
|
||||
mov.l .Ldisable0, r1
|
||||
mov r10, r4
|
||||
bsrf r1
|
||||
mov r0, r10
|
||||
.Ldisable0b:
|
||||
mov r10, r0
|
||||
|
||||
tst r0, r0
|
||||
bt 9f
|
||||
cmp/eq #-EWOULDBLOCK, r0
|
||||
@ -121,9 +145,10 @@ sem_timedwait:
|
||||
|
||||
add #8, r15
|
||||
lds.l @r15+, pr
|
||||
mov.l @r15+, r8
|
||||
mov.l @r15+, r9
|
||||
mov.l @r15+, r12
|
||||
mov.l @r15+, r10
|
||||
mov.l @r15+, r9
|
||||
mov.l @r15+, r8
|
||||
rts
|
||||
mov #0, r0
|
||||
|
||||
@ -150,14 +175,35 @@ sem_timedwait:
|
||||
#endif
|
||||
add #8, r15
|
||||
lds.l @r15+, pr
|
||||
mov.l @r15+, r8
|
||||
mov.l @r15+, r9
|
||||
mov.l @r15+, r12
|
||||
mov.l @r15+, r10
|
||||
mov.l @r15+, r9
|
||||
mov.l @r15+, r8
|
||||
rts
|
||||
mov #-1, r0
|
||||
|
||||
10:
|
||||
/* Canceled. */
|
||||
stc gbr, r0
|
||||
mov.w .Lresult, r1
|
||||
mov #-1, r2
|
||||
mov.l r2, @(r0,r1)
|
||||
mov.w .Lchand, r0
|
||||
or.b #0x10, @(r0,gbr)
|
||||
stc gbr, r0
|
||||
mov.w .Lclbuf, r1
|
||||
mov.l .Lunwind, r2
|
||||
jmp @r2
|
||||
mov.l @(r0,r1), r4
|
||||
|
||||
.L1k:
|
||||
.word 1000
|
||||
.Lchand:
|
||||
.word CANCELHANDLING - TLS_PRE_TCB_SIZE
|
||||
.Lresult:
|
||||
.word RESULT - TLS_PRE_TCB_SIZE
|
||||
.Lclbuf:
|
||||
.word CLEANUP_JMP_BUF - TLS_PRE_TCB_SIZE
|
||||
.align 2
|
||||
.L1g:
|
||||
.long 1000000000
|
||||
@ -170,4 +216,10 @@ sem_timedwait:
|
||||
.Lerrloc2:
|
||||
.long __errno_location@PLT-(.Lerrloc2b+2-.)
|
||||
#endif
|
||||
.Lenable0:
|
||||
.long __pthread_enable_asynccancel-.Lenable0b
|
||||
.Ldisable0:
|
||||
.long __pthread_disable_asynccancel-.Ldisable0b
|
||||
.Lunwind:
|
||||
.long __pthread_unwind
|
||||
.size sem_timedwait,.-sem_timedwait
|
||||
|
||||
@ -19,6 +19,7 @@
|
||||
#include <sysdep.h>
|
||||
#include <shlib-compat.h>
|
||||
#include <pthread-errnos.h>
|
||||
#include <tcb-offsets.h>
|
||||
#include "lowlevel-atomic.h"
|
||||
|
||||
|
||||
@ -33,8 +34,18 @@
|
||||
.type __new_sem_wait,@function
|
||||
.align 5
|
||||
__new_sem_wait:
|
||||
mov.l r12, @-r15
|
||||
/* First check for cancellation. */
|
||||
stc gbr, r0
|
||||
mov.w .Lchand, r1
|
||||
mov.l @(r0,r1), r0
|
||||
mov #0xf9, r1
|
||||
and r1, r0
|
||||
cmp/eq #8, r0
|
||||
bt 5f
|
||||
|
||||
mov.l r8, @-r15
|
||||
mov.l r10, @-r15
|
||||
mov.l r12, @-r15
|
||||
sts.l pr, @-r15
|
||||
mov r4, r8
|
||||
3:
|
||||
@ -48,12 +59,19 @@ __new_sem_wait:
|
||||
CMPXCHG (r4, @r8, r3, r2)
|
||||
bf 2b
|
||||
lds.l @r15+, pr
|
||||
mov.l @r15+, r8
|
||||
mov.l @r15+, r12
|
||||
mov.l @r15+, r10
|
||||
mov.l @r15+, r8
|
||||
rts
|
||||
mov #0, r0
|
||||
|
||||
1:
|
||||
mov.l .Lenable0, r1
|
||||
bsrf r1
|
||||
nop
|
||||
.Lenable0b:
|
||||
mov r0, r10
|
||||
|
||||
mov r8, r4
|
||||
mov #FUTEX_WAIT, r5
|
||||
mov #0, r6
|
||||
@ -63,6 +81,13 @@ __new_sem_wait:
|
||||
trapa #0x14
|
||||
SYSCALL_INST_PAD
|
||||
|
||||
mov.l .Ldisable0, r1
|
||||
mov r10, r4
|
||||
bsrf r1
|
||||
mov r0, r10
|
||||
.Ldisable0b:
|
||||
mov r10, r0
|
||||
|
||||
tst r0, r0
|
||||
bt 3b
|
||||
cmp/eq #-EWOULDBLOCK, r0
|
||||
@ -88,11 +113,32 @@ __new_sem_wait:
|
||||
mov.l r8, @r0
|
||||
#endif
|
||||
lds.l @r15+, pr
|
||||
mov.l @r15+, r8
|
||||
mov.l @r15+, r12
|
||||
mov.l @r15+, r10
|
||||
mov.l @r15+, r8
|
||||
rts
|
||||
mov #-1, r0
|
||||
|
||||
5:
|
||||
/* Canceled. */
|
||||
stc gbr, r0
|
||||
mov.w .Lresult, r1
|
||||
mov #-1, r2
|
||||
mov.l r2, @(r0,r1)
|
||||
mov.w .Lchand, r0
|
||||
or.b #0x10, @(r0,gbr)
|
||||
stc gbr, r0
|
||||
mov.w .Lclbuf, r1
|
||||
mov.l .Lunwind, r2
|
||||
jmp @r2
|
||||
mov.l @(r0,r1), r4
|
||||
|
||||
.Lchand:
|
||||
.word CANCELHANDLING - TLS_PRE_TCB_SIZE
|
||||
.Lresult:
|
||||
.word RESULT - TLS_PRE_TCB_SIZE
|
||||
.Lclbuf:
|
||||
.word CLEANUP_JMP_BUF - TLS_PRE_TCB_SIZE
|
||||
.align 2
|
||||
.Lgot0:
|
||||
.long _GLOBAL_OFFSET_TABLE_
|
||||
@ -103,5 +149,11 @@ __new_sem_wait:
|
||||
.Lerrloc0:
|
||||
.long __errno_location@PLT-(.Lerrloc0b+2-.)
|
||||
#endif
|
||||
.Lenable0:
|
||||
.long __pthread_enable_asynccancel-.Lenable0b
|
||||
.Ldisable0:
|
||||
.long __pthread_disable_asynccancel-.Ldisable0b
|
||||
.Lunwind:
|
||||
.long __pthread_unwind
|
||||
.size __new_sem_wait,.-__new_sem_wait
|
||||
versioned_symbol(libpthread, __new_sem_wait, sem_wait, GLIBC_2_1)
|
||||
|
||||
@ -90,9 +90,14 @@
|
||||
# ifdef IS_IN_libpthread
|
||||
# define __local_enable_asynccancel __pthread_enable_asynccancel
|
||||
# define __local_disable_asynccancel __pthread_disable_asynccancel
|
||||
# else
|
||||
# elif !defined NOT_IN_libc
|
||||
# define __local_enable_asynccancel __libc_enable_asynccancel
|
||||
# define __local_disable_asynccancel __libc_disable_asynccancel
|
||||
# elif defined IS_IN_librt
|
||||
# define __local_enable_asynccancel __librt_enable_asynccancel
|
||||
# define __local_disable_asynccancel __librt_disable_asynccancel
|
||||
# else
|
||||
# error Unsupported library
|
||||
# endif
|
||||
|
||||
# define CENABLE \
|
||||
|
||||
@ -94,7 +94,9 @@ ENTRY (__socket)
|
||||
#if defined NEED_CANCELLATION && defined CENABLE
|
||||
.Lsocket_cancel:
|
||||
/* Enable asynchronous cancellation. */
|
||||
sts.l pr,@-r15
|
||||
CENABLE
|
||||
lds.l @r15+,pr
|
||||
|
||||
/* Do the system call trap. */
|
||||
mov #+P(SOCKOP_,socket), r4
|
||||
@ -102,9 +104,11 @@ ENTRY (__socket)
|
||||
mov.l .L1,r3
|
||||
trapa #0x12
|
||||
|
||||
sts.l pr,@-r15
|
||||
mov.l r0,@-r15
|
||||
CDISABLE
|
||||
mov.l @r15+,r0
|
||||
lds.l @r15+,pr
|
||||
|
||||
/* Pop args off the stack */
|
||||
P(POPARGS_,NARGS)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user