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https://sourceware.org/git/glibc.git
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Update.
2004-03-17 Kaz Kojima <kkojima@rr.iij4u.or.jp> * sysdeps/unix/sysv/linux/kernel-features.h (__ASSUME_CLONE_THREAD_FLAGS ): Define for newer SH kernel. (__ASSUME_TGKILL, __ASSUME_UTIMES): Likewise. * sysdeps/unix/sysv/linux/sh/socket.S: Add unwind information.
This commit is contained in:
Ulrich Drepper
parent
3abb1ff7d1
commit
07bd2a3fda
@ -1,3 +1,10 @@
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2004-03-17 Kaz Kojima <kkojima@rr.iij4u.or.jp>
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* sysdeps/unix/sysv/linux/kernel-features.h
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(__ASSUME_CLONE_THREAD_FLAGS ): Define for newer SH kernel.
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(__ASSUME_TGKILL, __ASSUME_UTIMES): Likewise.
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* sysdeps/unix/sysv/linux/sh/socket.S: Add unwind information.
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2004-03-19 Ulrich Drepper <drepper@redhat.com>
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* time/tzfile.c (__tzfile_default): Correct setting of rule_stdoff
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@ -4,6 +4,27 @@
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the return value to a safe register.
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(CDISABLE): Set the function argument correctly.
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2004-03-17 Kaz Kojima <kkojima@rr.iij4u.or.jp>
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* sysdeps/unix/sysv/linux/sh/lowlevel-atomic.h (XCHG): Define.
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* sysdeps/unix/sysv/linux/sh/lowlevellock.S (__lll_mutex_lock_wait):
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Rewrite so that only one locked memory operation per round is needed.
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* sysdeps/unix/sysv/linux/sh/pthread_barrier_wait.S
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(pthread_barrier_wait): After wakeup, release lock only when the
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last thread stopped using the barrier object.
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* sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S
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(__pthread_cond_wait): Don't store mutex address if the current
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value is ~0l. Add correct cleanup support and unwind info.
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* sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S: Likewise.
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* sysdeps/unix/sysv/linux/sh/pthread_cond_broadcast.S
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(__pthread_cond_broadcast): Don't use requeue for pshared condvars.
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* sysdeps/unix/sysv/linux/sh/pthread_cond_signal.S: Update comment.
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* sysdeps/unix/sysv/linux/sh/pthread_once.S (__pthread_once):
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Add correct cleanup support and unwind info.
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* sysdeps/unix/sysv/linux/sh/sem_wait.S (__new_sem_wait): Likewise.
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* sysdeps/unix/sysv/linux/sh/sysdep-cancel.h: Add unwind
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information for syscall wrappers.
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2004-03-18 Ulrich Drepper <drepper@redhat.com>
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* sysdeps/unix/sysv/linux/internaltypes.h (struct pthread_attr): Add
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@ -1,4 +1,4 @@
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/* Copyright (C) 2003 Free Software Foundation, Inc.
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/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -20,6 +20,7 @@
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#define _IMP1 #1
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#define _IMM1 #-1
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#define _IMM4 #-4
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#define _IMM6 #-6
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#define _IMM8 #-8
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@ -53,6 +54,16 @@
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mov.l reg, mem; \
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99: mov r1, r15
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#define XCHG(reg, mem, old) \
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.align 2; \
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mova 99f, r0; \
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nop; \
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mov r15, r1; \
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mov _IMM4, r15; \
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98: mov.l mem, old; \
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mov.l reg, mem; \
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99: mov r1, r15
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#define CMPXCHG(reg, mem, new, old) \
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.align 2; \
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mova 99f, r0; \
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@ -1,4 +1,4 @@
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/* Copyright (C) 2003 Free Software Foundation, Inc.
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/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -38,17 +38,12 @@ __lll_mutex_lock_wait:
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mov r5, r8
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mov #0, r7 /* No timeout. */
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mov #FUTEX_WAIT, r5
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1:
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mov #2, r4
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cmp/eq r4, r6
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bt 3f
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bf 2f
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mov #1, r3
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CMPXCHG (r3, @r8, r4, r2)
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tst r2, r2
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bt 2f
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3:
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1:
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mov r8, r4
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mov #SYS_futex, r3
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extu.b r3, r3
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@ -56,9 +51,9 @@ __lll_mutex_lock_wait:
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SYSCALL_INST_PAD
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2:
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mov #0, r3
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mov #2, r4
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CMPXCHG (r3, @r8, r4, r2)
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XCHG (r4, @r8, r2)
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tst r2, r2
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bf 1b
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mov.l @r15+, r8
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@ -1,4 +1,4 @@
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/* Copyright (C) 2003 Free Software Foundation, Inc.
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/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -80,6 +80,23 @@ pthread_barrier_wait:
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cmp/eq r0, r6
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bt 8b
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/* Increment LEFT. If this brings the count back to the
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initial count unlock the object. */
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mov #1, r3
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mov.l @(INIT_COUNT,r8), r4
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XADD (r3, @(LEFT,r8), r2)
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add #-1, r4
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cmp/eq r2, r4
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bf 10f
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/* Release the mutex. We cannot release the lock before
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waking the waiting threads since otherwise a new thread might
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arrive and gets waken up, too. */
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DEC (@(MUTEX,r8), r2)
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tst r2, r2
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bf 9f
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10:
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mov #0, r0 /* != PTHREAD_BARRIER_SERIAL_THREAD */
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lds.l @r15+, pr
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mov.l @r15+, r8
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@ -88,8 +105,6 @@ pthread_barrier_wait:
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3:
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/* The necessary number of threads arrived. */
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mov.l @(INIT_COUNT,r8), r0
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mov.l r0, @(LEFT,r8)
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mov.l @(CURR_EVENT,r8), r1
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add #1, r1
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mov.l r1, @(CURR_EVENT,r8)
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@ -108,6 +123,15 @@ pthread_barrier_wait:
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trapa #0x14
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SYSCALL_INST_PAD
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/* Increment LEFT. If this brings the count back to the
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initial count unlock the object. */
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mov #1, r3
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mov.l @(INIT_COUNT,r8), r4
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XADD (r3, @(LEFT,r8), r2)
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add #-1, r4
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cmp/eq r2, r4
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bf 5f
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/* Release the mutex. */
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DEC (@(MUTEX,r8), r2)
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tst r2, r2
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@ -148,6 +172,16 @@ pthread_barrier_wait:
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bra 7b
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mov r9, r6
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9:
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mov r6, r9
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mov r8, r4
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mov.l .Lwake2, r1
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bsrf r1
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add #MUTEX, r4
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.Lwake2b:
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bra 10b
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mov r9, r6
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.align 2
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.Lall:
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.long 0x7fffffff
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@ -157,4 +191,6 @@ pthread_barrier_wait:
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.long __lll_mutex_unlock_wake-.Lwake0b
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.Lwake1:
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.long __lll_mutex_unlock_wake-.Lwake1b
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.Lwake2:
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.long __lll_mutex_unlock_wake-.Lwake2b
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.size pthread_barrier_wait,.-pthread_barrier_wait
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@ -1,4 +1,4 @@
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/* Copyright (C) 2003 Free Software Foundation, Inc.
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/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -79,11 +79,16 @@ __pthread_cond_broadcast:
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#endif
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tst r2, r2
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bf 7f
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8:
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/* Wake up all threads. */
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/* Don't use requeue for pshared condvars. */
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mov #-1, r0
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cmp/eq r0, r9
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mov r8, r4
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add #wakeup_seq, r4
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#ifdef __ASSUME_FUTEX_REQUEUE
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bt/s 9f
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add #wakeup_seq, r4
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/* Wake up all threads. */
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mov #FUTEX_REQUEUE, r5
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mov #1, r6
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mov #-1, r7
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@ -95,17 +100,9 @@ __pthread_cond_broadcast:
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mov #SYS_futex, r3
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extu.b r3, r3
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trapa #0x15
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#else
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mov #FUTEX_WAKE, r5
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mov #-1, r6
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shlr r6 /* r6 = 0x7fffffff */
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mov #0, r7
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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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#endif
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SYSCALL_INST_PAD
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10:
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mov #0, r0
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lds.l @r15+, pr
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mov.l @r15+, r8
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@ -167,6 +164,18 @@ __pthread_cond_broadcast:
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bra 8b
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nop
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9:
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mov #FUTEX_WAKE, r5
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mov #-1, r6
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shlr r6 /* r6 = 0x7fffffff */
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mov #0, r7
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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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bra 10b
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nop
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.align 2
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.Lmwait5:
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.long __lll_mutex_lock_wait-.Lmwait5b
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@ -1,4 +1,4 @@
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/* Copyright (C) 2003 Free Software Foundation, Inc.
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/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -73,7 +73,7 @@ __pthread_cond_signal:
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mov.l r0,@(wakeup_seq,r8)
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mov.l r1,@(wakeup_seq+4,r8)
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/* Wake up one thread by moving it to the internal lock futex. */
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/* Wake up one thread. */
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mov r8, r4
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add #wakeup_seq, r4
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mov #FUTEX_WAKE, r5
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@ -1,4 +1,4 @@
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/* Copyright (C) 2003 Free Software Foundation, Inc.
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/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -36,17 +36,31 @@
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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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.LSTARTCODE:
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mov.l r8, @-r15
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.Lpush_r8:
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mov.l r9, @-r15
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.Lpush_r9:
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mov.l r10, @-r15
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.Lpush_r10:
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mov.l r11, @-r15
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.Lpush_r11:
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mov.l r12, @-r15
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.Lpush_r12:
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mov.l r13, @-r15
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.Lpush_r13:
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sts.l pr, @-r15
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.Lpush_pr:
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add #-64, r15
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.Lalloc:
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mov r4, r8
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mov r5, r9
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mov r6, r13
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#ifdef PIC
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mova .Lgot0, r0
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mov.l .Lgot0, r12
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add r0, r12
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#endif
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/* Get internal lock. */
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mov #0, r3
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@ -59,11 +73,21 @@ __pthread_cond_timedwait:
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bt 2f
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bra 1f
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nop
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#ifdef PIC
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.align 2
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.Lgot0:
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.long _GLOBAL_OFFSET_TABLE_
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#endif
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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 @(dep_mutex,r8),r0
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cmp/eq #-1, r0
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bt 17f
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mov.l r9, @(dep_mutex,r8)
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17:
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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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@ -87,50 +111,11 @@ __pthread_cond_timedwait:
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mov.l r0,@(total_seq,r8)
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mov.l r1,@(total_seq+4,r8)
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/* Install cancellation handler. */
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#ifdef PIC
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mova .Lgot1, r0
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mov.l .Lgot1, r12
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add r0, r12
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mov.l .Lccleanup1, r5
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add r12, r5
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#else
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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 #32, r4
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|
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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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|
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mov.l .Lccpush1, r1
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bsrf r1
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mov r15, r6
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.Lccpush1b:
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|
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/* Get and store current wakeup_seq value. */
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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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|
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/* Unlock. */
|
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8:
|
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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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DEC (@r8, r2)
|
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#endif
|
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tst r2, r2
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bt 4f
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bra 3f
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nop
|
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4:
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mov.l .Lenable1, r1
|
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bsrf r1
|
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nop
|
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.Lenable1b:
|
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mov.l r0, @r15
|
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|
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/* Get current time. */
|
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mov r15, r4
|
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add #16, r4
|
||||
@ -162,6 +147,24 @@ __pthread_cond_timedwait:
|
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mov.l r2, @(16,r15)
|
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mov.l r3, @(20,r15)
|
||||
|
||||
/* Unlock. */
|
||||
#if cond_lock != 0
|
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DEC (@(cond_lock,r8), r2)
|
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#else
|
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DEC (@r8, r2)
|
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#endif
|
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tst r2, r2
|
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bt 4f
|
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bra 3f
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nop
|
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4:
|
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.LcleanupSTART:
|
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mov.l .Lenable1, r1
|
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bsrf r1
|
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nop
|
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.Lenable1b:
|
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mov.l r0, @r15
|
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|
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mov r15, r7
|
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add #16, r7
|
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mov #FUTEX_WAIT, r5
|
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@ -178,6 +181,7 @@ __pthread_cond_timedwait:
|
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bsrf r1
|
||||
mov.l @r15, r4
|
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.Ldisable1b:
|
||||
.LcleanupEND:
|
||||
|
||||
/* Lock. */
|
||||
mov #0, r3
|
||||
@ -195,20 +199,15 @@ __pthread_cond_timedwait:
|
||||
mov.l @(wakeup_seq,r8), r2
|
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mov.l @(wakeup_seq+4,r8), r3
|
||||
|
||||
cmp/hi r11, r3
|
||||
bt 7f
|
||||
cmp/hi r3, r11
|
||||
bt 15f
|
||||
|
||||
cmp/hs r2, r10
|
||||
cmp/eq r3, r11
|
||||
bf 7f
|
||||
cmp/eq r2, r10
|
||||
bt 15f
|
||||
7:
|
||||
cmp/hi r1, r3
|
||||
bt 9f
|
||||
cmp/hi r3, r1
|
||||
bt 15f
|
||||
cmp/hi r0, r2
|
||||
bt 9f
|
||||
cmp/eq r1, r3
|
||||
bf 9f
|
||||
cmp/eq r0, r2
|
||||
bf 9f
|
||||
15:
|
||||
mov.l @(12,r15),r0
|
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cmp/eq #-ETIMEDOUT, r0
|
||||
@ -252,14 +251,6 @@ __pthread_cond_timedwait:
|
||||
bf 10f
|
||||
|
||||
11:
|
||||
/* Remove cancellation handler. */
|
||||
mov r15, r4
|
||||
add #32, r4
|
||||
mov.l .Lcpop1, r1
|
||||
bsrf r1
|
||||
mov #0, r5
|
||||
.Lcpop1b:
|
||||
|
||||
mov r9, r4
|
||||
mov.l .Lmlocki1, r1
|
||||
bsrf r1
|
||||
@ -273,44 +264,39 @@ __pthread_cond_timedwait:
|
||||
|
||||
18:
|
||||
add #64, r15
|
||||
.Lfree:
|
||||
lds.l @r15+, pr
|
||||
.Lpop_pr:
|
||||
mov.l @r15+, r13
|
||||
.Lpop_r13:
|
||||
mov.l @r15+, r12
|
||||
.Lpop_r12:
|
||||
mov.l @r15+, r11
|
||||
.Lpop_r11:
|
||||
mov.l @r15+, r10
|
||||
.Lpop_r10:
|
||||
mov.l @r15+, r9
|
||||
.Lpop_r9:
|
||||
rts
|
||||
mov.l @r15+, r8
|
||||
ret
|
||||
.Lpop_r8:
|
||||
|
||||
.L1k:
|
||||
.word 1000
|
||||
.align 2
|
||||
.Lmunlock1:
|
||||
.long __pthread_mutex_unlock_usercnt-.Lmunlock1b
|
||||
#ifdef PIC
|
||||
.Lgot1:
|
||||
.long _GLOBAL_OFFSET_TABLE_
|
||||
.Lccleanup1:
|
||||
.long __condvar_cleanup@GOTOFF
|
||||
#else
|
||||
.Lccleanup1:
|
||||
.long __condvar_cleanup
|
||||
#endif
|
||||
.Lccpush1:
|
||||
.long __pthread_cleanup_push-.Lccpush1b
|
||||
.Lenable1:
|
||||
.long __pthread_enable_asynccancel-.Lenable1b
|
||||
.Ldisable1:
|
||||
.long __pthread_disable_asynccancel-.Ldisable1b
|
||||
.Lcpop1:
|
||||
.long __pthread_cleanup_pop-.Lcpop1b
|
||||
.Lmlocki1:
|
||||
.long __pthread_mutex_cond_lock-.Lmlocki1b
|
||||
.L1g:
|
||||
.long 1000000000
|
||||
|
||||
1:
|
||||
.LSblSTART:
|
||||
/* Initial locking failed. */
|
||||
mov r8, r5
|
||||
#if cond_lock != 0
|
||||
@ -384,6 +370,7 @@ __pthread_cond_timedwait:
|
||||
17:
|
||||
bra 18b
|
||||
mov.l @(24,r15), r0
|
||||
.LSblEND:
|
||||
|
||||
.align 2
|
||||
.Lmwait2:
|
||||
@ -399,3 +386,281 @@ __pthread_cond_timedwait:
|
||||
.size __pthread_cond_timedwait, .-__pthread_cond_timedwait
|
||||
versioned_symbol (libpthread, __pthread_cond_timedwait, pthread_cond_timedwait,
|
||||
GLIBC_2_3_2)
|
||||
|
||||
|
||||
.type __condvar_tw_cleanup, @function
|
||||
__condvar_tw_cleanup:
|
||||
mov r4, r11
|
||||
|
||||
/* Get internal lock. */
|
||||
mov #0, r3
|
||||
mov #1, r4
|
||||
#if cond_lock != 0
|
||||
CMPXCHG (r3, @(cond_lock,r8), r4, r2)
|
||||
#else
|
||||
CMPXCHG (r3, @r8, r4, r2)
|
||||
#endif
|
||||
bt 1f
|
||||
nop
|
||||
|
||||
mov r8, r5
|
||||
#if cond_lock != 0
|
||||
add #cond_lock, r5
|
||||
#endif
|
||||
mov.l .Lmwait5, r1
|
||||
bsrf r1
|
||||
mov r2, r4
|
||||
.Lmwait5b:
|
||||
|
||||
1:
|
||||
mov #1, r2
|
||||
mov #0, r3
|
||||
|
||||
clrt
|
||||
mov.l @(wakeup_seq,r8),r0
|
||||
mov.l @(wakeup_seq+4,r8),r1
|
||||
addc r2, r0
|
||||
addc r3, r1
|
||||
mov.l r0,@(wakeup_seq,r8)
|
||||
mov.l r1,@(wakeup_seq+4,r8)
|
||||
|
||||
#if cond_lock != 0
|
||||
DEC (@(cond_lock,r8), r2)
|
||||
#else
|
||||
DEC (@r8, r2)
|
||||
#endif
|
||||
tst r2, r2
|
||||
bt 2f
|
||||
|
||||
mov r8, r4
|
||||
#if cond_lock != 0
|
||||
add #cond_lock, r4
|
||||
#endif
|
||||
mov.l .Lmwake5, r1
|
||||
bsrf r1
|
||||
nop
|
||||
.Lmwake5b:
|
||||
|
||||
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
|
||||
|
||||
mov.l .Lmlocki5, r1
|
||||
bsrf r1
|
||||
mov r9, r4
|
||||
.Lmlocki5b:
|
||||
|
||||
.LcallUR:
|
||||
mov.l .Lresume, r1
|
||||
#ifdef PIC
|
||||
add r12, r1
|
||||
#endif
|
||||
jsr @r1
|
||||
mov r11, r4
|
||||
sleep
|
||||
|
||||
.align 2
|
||||
.Lmwait5:
|
||||
.long __lll_mutex_lock_wait-.Lmwait5b
|
||||
.Lmwake5:
|
||||
.long __lll_mutex_unlock_wake-.Lmwake5b
|
||||
.Lmlocki5:
|
||||
.long __pthread_mutex_cond_lock-.Lmlocki5b
|
||||
.Lresume:
|
||||
#ifdef PIC
|
||||
.long _Unwind_Resume@GOTOFF
|
||||
#else
|
||||
.long _Unwind_Resume
|
||||
#endif
|
||||
.LENDCODE:
|
||||
.size __condvar_tw_cleanup, .-__condvar_tw_cleanup
|
||||
|
||||
|
||||
.section .gcc_except_table,"a",@progbits
|
||||
.LexceptSTART:
|
||||
.byte 0xff ! @LPStart format (omit)
|
||||
.byte 0xff ! @TType format (omit)
|
||||
.byte 0x0b ! call-site format
|
||||
! DW_EH_PE_sdata4
|
||||
.uleb128 .Lcstend-.Lcstbegin
|
||||
.Lcstbegin:
|
||||
.ualong .LcleanupSTART-.LSTARTCODE
|
||||
.ualong .LcleanupEND-.LcleanupSTART
|
||||
.ualong __condvar_tw_cleanup-.LSTARTCODE
|
||||
.uleb128 0
|
||||
.ualong .LcallUR-.LSTARTCODE
|
||||
.ualong .LENDCODE-.LcallUR
|
||||
.ualong 0
|
||||
.uleb128 0
|
||||
.Lcstend:
|
||||
|
||||
.section .eh_frame,"a",@progbits
|
||||
.LSTARTFRAME:
|
||||
.ualong .LENDCIE-.LSTARTCIE ! Length of the CIE.
|
||||
.LSTARTCIE:
|
||||
.ualong 0 ! CIE ID.
|
||||
.byte 1 ! Version number.
|
||||
#ifdef SHARED
|
||||
.string "zPLR" ! NUL-terminated augmentation
|
||||
! string.
|
||||
#else
|
||||
.string "zPL" ! NUL-terminated augmentation
|
||||
! string.
|
||||
#endif
|
||||
.uleb128 1 ! Code alignment factor.
|
||||
.sleb128 -4 ! Data alignment factor.
|
||||
.byte 0x11 ! Return address register
|
||||
! column.
|
||||
#ifdef SHARED
|
||||
.uleb128 7 ! Augmentation value length.
|
||||
.byte 0x9b ! Personality: DW_EH_PE_pcrel
|
||||
! + DW_EH_PE_sdata4
|
||||
! + DW_EH_PE_indirect
|
||||
.ualong DW.ref.__gcc_personality_v0-.
|
||||
.byte 0x1b ! LSDA Encoding: DW_EH_PE_pcrel
|
||||
! + DW_EH_PE_sdata4.
|
||||
.byte 0x1b ! FDE Encoding: DW_EH_PE_pcrel
|
||||
! + DW_EH_PE_sdata4.
|
||||
#else
|
||||
.uleb128 6 ! Augmentation value length.
|
||||
.byte 0x0 ! Personality: absolute
|
||||
.ualong __gcc_personality_v0
|
||||
.byte 0x0 ! LSDA Encoding: absolute
|
||||
#endif
|
||||
.byte 0x0c ! DW_CFA_def_cfa
|
||||
.uleb128 0xf
|
||||
.uleb128 0
|
||||
.align 2
|
||||
.LENDCIE:
|
||||
|
||||
.ualong .LENDFDE-.LSTARTFDE ! Length of the FDE.
|
||||
.LSTARTFDE:
|
||||
.ualong .LSTARTFDE-.LSTARTFRAME ! CIE pointer.
|
||||
#ifdef SHARED
|
||||
.ualong .LSTARTCODE-. ! PC-relative start address
|
||||
! of the code.
|
||||
#else
|
||||
.ualong .LSTARTCODE ! Start address of the code.
|
||||
#endif
|
||||
.ualong .LENDCODE-.LSTARTCODE ! Length of the code.
|
||||
.uleb128 4 ! Augmentation size
|
||||
#ifdef SHARED
|
||||
.ualong .LexceptSTART-.
|
||||
#else
|
||||
.ualong .LexceptSTART
|
||||
#endif
|
||||
.byte 0x4
|
||||
.ualong .Lpush_r8-.LSTARTCODE
|
||||
.byte 0xe
|
||||
.uleb128 4
|
||||
.byte 0x88
|
||||
.uleb128 1
|
||||
.byte 0x4
|
||||
.ualong .Lpush_r9-.Lpush_r8
|
||||
.byte 0xe
|
||||
.uleb128 8
|
||||
.byte 0x89
|
||||
.uleb128 2
|
||||
.byte 0x4
|
||||
.ualong .Lpush_r10-.Lpush_r9
|
||||
.byte 0xe
|
||||
.uleb128 12
|
||||
.byte 0x8a
|
||||
.uleb128 3
|
||||
.byte 0x4
|
||||
.ualong .Lpush_r11-.Lpush_r10
|
||||
.byte 0xe
|
||||
.uleb128 16
|
||||
.byte 0x8b
|
||||
.uleb128 4
|
||||
.byte 0x4
|
||||
.ualong .Lpush_r12-.Lpush_r11
|
||||
.byte 0xe
|
||||
.uleb128 20
|
||||
.byte 0x8c
|
||||
.uleb128 5
|
||||
.byte 0x4
|
||||
.ualong .Lpush_r13-.Lpush_r12
|
||||
.byte 0xe
|
||||
.uleb128 24
|
||||
.byte 0x8d
|
||||
.uleb128 6
|
||||
.byte 0x4
|
||||
.ualong .Lpush_pr-.Lpush_r13
|
||||
.byte 0xe
|
||||
.uleb128 28
|
||||
.byte 0x91
|
||||
.uleb128 7
|
||||
.byte 0x4
|
||||
.ualong .Lalloc-.Lpush_pr
|
||||
.byte 0xe
|
||||
.uleb128 92
|
||||
.byte 0x4
|
||||
.ualong .Lfree-.Lalloc
|
||||
.byte 0xe
|
||||
.uleb128 28
|
||||
.byte 0x4
|
||||
.ualong .Lpop_pr-.Lfree
|
||||
.byte 0xe
|
||||
.uleb128 24
|
||||
.byte 0xd1
|
||||
.byte 0x4
|
||||
.ualong .Lpop_r13-.Lpop_pr
|
||||
.byte 0xe
|
||||
.uleb128 20
|
||||
.byte 0xcd
|
||||
.byte 0x4
|
||||
.ualong .Lpop_r12-.Lpop_r13
|
||||
.byte 0xe
|
||||
.uleb128 16
|
||||
.byte 0xcc
|
||||
.byte 0x4
|
||||
.ualong .Lpop_r11-.Lpop_r12
|
||||
.byte 0xe
|
||||
.uleb128 12
|
||||
.byte 0xcb
|
||||
.byte 0x4
|
||||
.ualong .Lpop_r10-.Lpop_r11
|
||||
.byte 0xe
|
||||
.uleb128 8
|
||||
.byte 0xca
|
||||
.byte 0x4
|
||||
.ualong .Lpop_r9-.Lpop_r10
|
||||
.byte 0xe
|
||||
.uleb128 4
|
||||
.byte 0xc9
|
||||
.byte 0x4
|
||||
.ualong .Lpop_r8-.Lpop_r9
|
||||
.byte 0xe
|
||||
.uleb128 0
|
||||
.byte 0xc8
|
||||
.byte 0x4
|
||||
.ualong .LSblSTART-.Lpop_r8
|
||||
.byte 0xe
|
||||
.uleb128 72
|
||||
.byte 0x4
|
||||
.ualong .LSblEND-.LSblSTART
|
||||
.byte 0xe
|
||||
.uleb128 72
|
||||
.align 2
|
||||
.LENDFDE:
|
||||
|
||||
#ifdef SHARED
|
||||
.hidden DW.ref.__gcc_personality_v0
|
||||
.weak DW.ref.__gcc_personality_v0
|
||||
.section .gnu.linkonce.d.DW.ref.__gcc_personality_v0,"aw",@progbits
|
||||
.align 4
|
||||
.type DW.ref.__gcc_personality_v0, @object
|
||||
.size DW.ref.__gcc_personality_v0, 4
|
||||
DW.ref.__gcc_personality_v0:
|
||||
.long __gcc_personality_v0
|
||||
#endif
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 2003 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 2003, 2004 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
|
||||
@ -28,119 +28,33 @@
|
||||
|
||||
.text
|
||||
|
||||
.align 5
|
||||
.type __condvar_cleanup, @function
|
||||
.globl __condvar_cleanup
|
||||
.hidden __condvar_cleanup
|
||||
__condvar_cleanup:
|
||||
mov.l r8, @-r15
|
||||
mov.l r9, @-r15
|
||||
sts.l pr, @-r15
|
||||
mov r4, r9
|
||||
mov.l @(4,r9), r8
|
||||
|
||||
/* Get internal lock. */
|
||||
mov #0, r3
|
||||
mov #1, r4
|
||||
#if cond_lock != 0
|
||||
CMPXCHG (r3, @(cond_lock,r8), r4, r2)
|
||||
#else
|
||||
CMPXCHG (r3, @r8, r4, r2)
|
||||
#endif
|
||||
bt 1f
|
||||
mov r8, r5
|
||||
#if cond_lock != 0
|
||||
add #cond_lock, r5
|
||||
#endif
|
||||
mov.l .Lwait0, r1
|
||||
bsrf r1
|
||||
mov r2, r4
|
||||
.Lwait0b:
|
||||
1:
|
||||
mov #1, r2
|
||||
mov #0, r3
|
||||
|
||||
clrt
|
||||
mov.l @(wakeup_seq,r8),r0
|
||||
mov.l @(wakeup_seq+4,r8),r1
|
||||
addc r2, r0
|
||||
addc r3, r1
|
||||
mov.l r0,@(wakeup_seq,r8)
|
||||
mov.l r1,@(wakeup_seq+4,r8)
|
||||
|
||||
clrt
|
||||
mov.l @(woken_seq,r8),r0
|
||||
mov.l @(woken_seq+4,r8),r1
|
||||
addc r2, r0
|
||||
addc r3, r1
|
||||
mov.l r0,@(woken_seq,r8)
|
||||
mov.l r1,@(woken_seq+4,r8)
|
||||
|
||||
/* Release internal lock. */
|
||||
#if cond_lock != 0
|
||||
DEC (@(cond_lock,r8), r2)
|
||||
#else
|
||||
DEC (@r8, r2)
|
||||
#endif
|
||||
tst r2, r2
|
||||
bt 2f
|
||||
|
||||
mov r8, r4
|
||||
#if cond_lock != 0
|
||||
add #cond_lock, r4
|
||||
#endif
|
||||
mov.l .Lwake0, r1
|
||||
bsrf r1
|
||||
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
|
||||
|
||||
mov.l .Lmlocki1, r1
|
||||
bsrf r1
|
||||
mov.l @(8,r9), r4
|
||||
.Lmlocki1b:
|
||||
|
||||
lds.l @r15+, pr
|
||||
mov.l @r15+, r9
|
||||
rts
|
||||
mov.l @r15+, r8
|
||||
|
||||
.align 2
|
||||
.Lwait0:
|
||||
.long __lll_mutex_lock_wait-.Lwait0b
|
||||
.Lwake0:
|
||||
.long __lll_mutex_unlock_wake-.Lwake0b
|
||||
.Lmlocki1:
|
||||
.long __pthread_mutex_cond_lock-.Lmlocki1b
|
||||
.size __condvar_cleanup, .-__condvar_cleanup
|
||||
|
||||
|
||||
/* int pthread_cond_wait (pthread_cond_t *cond, pthread_mutex_t *mutex) */
|
||||
.globl __pthread_cond_wait
|
||||
.type __pthread_cond_wait, @function
|
||||
.align 5
|
||||
__pthread_cond_wait:
|
||||
.LSTARTCODE:
|
||||
mov.l r8, @-r15
|
||||
.Lpush_r8:
|
||||
mov.l r9, @-r15
|
||||
.Lpush_r9:
|
||||
mov.l r10, @-r15
|
||||
.Lpush_r10:
|
||||
mov.l r11, @-r15
|
||||
.Lpush_r11:
|
||||
mov.l r12, @-r15
|
||||
.Lpush_r12:
|
||||
sts.l pr, @-r15
|
||||
.Lpush_pr:
|
||||
add #-48, r15
|
||||
.Lalloc:
|
||||
mov r4, r8
|
||||
mov r5, r9
|
||||
#ifdef PIC
|
||||
mova .Lgot0, r0
|
||||
mov.l .Lgot0, r12
|
||||
add r0, r12
|
||||
#endif
|
||||
|
||||
/* Get internal lock. */
|
||||
mov #0, r3
|
||||
@ -153,12 +67,21 @@ __pthread_cond_wait:
|
||||
bt 2f
|
||||
bra 1f
|
||||
nop
|
||||
#ifdef PIC
|
||||
.align 2
|
||||
.Lgot0:
|
||||
.long _GLOBAL_OFFSET_TABLE_
|
||||
#endif
|
||||
|
||||
2:
|
||||
/* Store the reference to the mutex. If there is already a
|
||||
different value in there this is a bad user bug. */
|
||||
mov.l @(dep_mutex,r8),r0
|
||||
cmp/eq #-1, r0
|
||||
bt 15f
|
||||
mov.l r9, @(dep_mutex,r8)
|
||||
|
||||
15:
|
||||
/* Unlock the mutex. */
|
||||
mov.l .Lmunlock0, r1
|
||||
mov #0, r5
|
||||
@ -182,28 +105,6 @@ __pthread_cond_wait:
|
||||
mov.l r0,@(total_seq,r8)
|
||||
mov.l r1,@(total_seq+4,r8)
|
||||
|
||||
/* Install cancellation handler. */
|
||||
#ifdef PIC
|
||||
mova .Lgot0, r0
|
||||
mov.l .Lgot0, r12
|
||||
add r0, r12
|
||||
mov.l .Lccleanup0, r5
|
||||
add r12, r5
|
||||
#else
|
||||
mov.l .Lccleanup0, r5
|
||||
#endif
|
||||
mov r15, r4
|
||||
add #16, r4
|
||||
|
||||
/* Prepare structure passed to cancellation handler. */
|
||||
mov.l r8, @(4,r15)
|
||||
mov.l r9, @(8,r15)
|
||||
|
||||
mov.l .Lccpush0, r1
|
||||
bsrf r1
|
||||
mov r15, r6
|
||||
.Lccpush0b:
|
||||
|
||||
/* Get and store current wakeup_seq value. */
|
||||
mov.l @(wakeup_seq,r8), r10
|
||||
mov.l @(wakeup_seq+4,r8), r11
|
||||
@ -218,6 +119,7 @@ __pthread_cond_wait:
|
||||
tst r2, r2
|
||||
bf 3f
|
||||
4:
|
||||
.LcleanupSTART:
|
||||
mov.l .Lenable0, r1
|
||||
bsrf r1
|
||||
nop
|
||||
@ -238,6 +140,7 @@ __pthread_cond_wait:
|
||||
bsrf r1
|
||||
mov.l @r15, r4
|
||||
.Ldisable0b:
|
||||
.LcleanupEND:
|
||||
|
||||
/* Lock. */
|
||||
mov #0, r3
|
||||
@ -255,20 +158,15 @@ __pthread_cond_wait:
|
||||
mov.l @(wakeup_seq,r8), r2
|
||||
mov.l @(wakeup_seq+4,r8), r3
|
||||
|
||||
cmp/hi r11, r3
|
||||
bt 7f
|
||||
cmp/hi r3, r11
|
||||
bt 8b
|
||||
|
||||
cmp/hs r2, r10
|
||||
cmp/eq r3, r11
|
||||
bf 7f
|
||||
cmp/eq r2, r10
|
||||
bt 8b
|
||||
7:
|
||||
cmp/hi r1, r3
|
||||
bt 9f
|
||||
cmp/hi r3, r1
|
||||
cmp/eq r1, r3
|
||||
bf 9f
|
||||
cmp/eq r0, r2
|
||||
bt 8b
|
||||
cmp/hi r0, r2
|
||||
bf 8b
|
||||
9:
|
||||
mov #1, r2
|
||||
mov #0, r3
|
||||
@ -290,55 +188,41 @@ __pthread_cond_wait:
|
||||
bf 10f
|
||||
|
||||
11:
|
||||
/* Remove cancellation handler. */
|
||||
mov r15, r4
|
||||
add #16, r4
|
||||
mov.l .Lcpop0, r1
|
||||
bsrf r1
|
||||
mov #0, r5
|
||||
.Lcpop0b:
|
||||
|
||||
mov r9, r4
|
||||
mov.l .Lmlocki0, r1
|
||||
bsrf r1
|
||||
nop
|
||||
mov r9, r4
|
||||
.Lmlocki0b:
|
||||
/* We return the result of the mutex_lock operation. */
|
||||
|
||||
14:
|
||||
add #48, r15
|
||||
.Lfree:
|
||||
lds.l @r15+, pr
|
||||
.Lpop_pr:
|
||||
mov.l @r15+, r12
|
||||
.Lpop_r12:
|
||||
mov.l @r15+, r11
|
||||
.Lpop_r11:
|
||||
mov.l @r15+, r10
|
||||
.Lpop_r10:
|
||||
mov.l @r15+, r9
|
||||
.Lpop_r9:
|
||||
rts
|
||||
mov.l @r15+, r8
|
||||
.Lpop_r8:
|
||||
|
||||
.align 2
|
||||
.Lmunlock0:
|
||||
.long __pthread_mutex_unlock_usercnt-.Lmunlock0b
|
||||
#ifdef PIC
|
||||
.Lgot0:
|
||||
.long _GLOBAL_OFFSET_TABLE_
|
||||
.Lccleanup0:
|
||||
.long __condvar_cleanup@GOTOFF
|
||||
#else
|
||||
.Lccleanup0:
|
||||
.long __condvar_cleanup
|
||||
#endif
|
||||
.Lccpush0:
|
||||
.long __pthread_cleanup_push-.Lccpush0b
|
||||
.Lenable0:
|
||||
.long __pthread_enable_asynccancel-.Lenable0b
|
||||
.Ldisable0:
|
||||
.long __pthread_disable_asynccancel-.Ldisable0b
|
||||
.Lcpop0:
|
||||
.long __pthread_cleanup_pop-.Lcpop0b
|
||||
.Lmlocki0:
|
||||
.long __pthread_mutex_cond_lock-.Lmlocki0b
|
||||
|
||||
1:
|
||||
.LSblSTART:
|
||||
/* Initial locking failed. */
|
||||
mov r8, r5
|
||||
#if cond_lock != 0
|
||||
@ -412,6 +296,7 @@ __pthread_cond_wait:
|
||||
13:
|
||||
bra 14b
|
||||
mov.l @(12,r15), r0
|
||||
.LSblEND:
|
||||
|
||||
.align 2
|
||||
.Lmwait0:
|
||||
@ -427,3 +312,270 @@ __pthread_cond_wait:
|
||||
.size __pthread_cond_wait, .-__pthread_cond_wait
|
||||
versioned_symbol (libpthread, __pthread_cond_wait, pthread_cond_wait,
|
||||
GLIBC_2_3_2)
|
||||
|
||||
|
||||
.type __condvar_w_cleanup, @function
|
||||
__condvar_w_cleanup:
|
||||
mov r4, r11
|
||||
|
||||
/* Get internal lock. */
|
||||
mov #0, r3
|
||||
mov #1, r4
|
||||
#if cond_lock != 0
|
||||
CMPXCHG (r3, @(cond_lock,r8), r4, r2)
|
||||
#else
|
||||
CMPXCHG (r3, @r8, r4, r2)
|
||||
#endif
|
||||
bt 1f
|
||||
nop
|
||||
|
||||
mov r8, r5
|
||||
#if cond_lock != 0
|
||||
add #cond_lock, r5
|
||||
#endif
|
||||
mov.l .Lmwait3, r1
|
||||
bsrf r1
|
||||
mov r2, r4
|
||||
.Lmwait3b:
|
||||
|
||||
1:
|
||||
mov #1, r2
|
||||
mov #0, r3
|
||||
|
||||
clrt
|
||||
mov.l @(wakeup_seq,r8),r0
|
||||
mov.l @(wakeup_seq+4,r8),r1
|
||||
addc r2, r0
|
||||
addc r3, r1
|
||||
mov.l r0,@(wakeup_seq,r8)
|
||||
mov.l r1,@(wakeup_seq+4,r8)
|
||||
|
||||
#if cond_lock != 0
|
||||
DEC (@(cond_lock,r8), r2)
|
||||
#else
|
||||
DEC (@r8, r2)
|
||||
#endif
|
||||
tst r2, r2
|
||||
bt 2f
|
||||
|
||||
mov r8, r4
|
||||
#if cond_lock != 0
|
||||
add #cond_lock, r4
|
||||
#endif
|
||||
mov.l .Lmwake3, r1
|
||||
bsrf r1
|
||||
nop
|
||||
.Lmwake3b:
|
||||
|
||||
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
|
||||
|
||||
mov.l .Lmlocki3, r1
|
||||
bsrf r1
|
||||
mov r9, r4
|
||||
.Lmlocki3b:
|
||||
|
||||
.LcallUR:
|
||||
mov.l .Lresume, r1
|
||||
#ifdef PIC
|
||||
add r12, r1
|
||||
#endif
|
||||
jsr @r1
|
||||
mov r11, r4
|
||||
sleep
|
||||
|
||||
.align 2
|
||||
.Lmwait3:
|
||||
.long __lll_mutex_lock_wait-.Lmwait3b
|
||||
.Lmwake3:
|
||||
.long __lll_mutex_unlock_wake-.Lmwake3b
|
||||
.Lmlocki3:
|
||||
.long __pthread_mutex_cond_lock-.Lmlocki3b
|
||||
.Lresume:
|
||||
#ifdef PIC
|
||||
.long _Unwind_Resume@GOTOFF
|
||||
#else
|
||||
.long _Unwind_Resume
|
||||
#endif
|
||||
.LENDCODE:
|
||||
.size __condvar_w_cleanup, .-__condvar_w_cleanup
|
||||
|
||||
|
||||
.section .gcc_except_table,"a",@progbits
|
||||
.LexceptSTART:
|
||||
.byte 0xff ! @LPStart format (omit)
|
||||
.byte 0xff ! @TType format (omit)
|
||||
.byte 0x0b ! call-site format
|
||||
! DW_EH_PE_sdata4
|
||||
.uleb128 .Lcstend-.Lcstbegin
|
||||
.Lcstbegin:
|
||||
.ualong .LcleanupSTART-.LSTARTCODE
|
||||
.ualong .LcleanupEND-.LcleanupSTART
|
||||
.ualong __condvar_w_cleanup-.LSTARTCODE
|
||||
.uleb128 0
|
||||
.ualong .LcallUR-.LSTARTCODE
|
||||
.ualong .LENDCODE-.LcallUR
|
||||
.ualong 0
|
||||
.uleb128 0
|
||||
.Lcstend:
|
||||
|
||||
.section .eh_frame,"a",@progbits
|
||||
.LSTARTFRAME:
|
||||
.ualong .LENDCIE-.LSTARTCIE ! Length of the CIE.
|
||||
.LSTARTCIE:
|
||||
.ualong 0 ! CIE ID.
|
||||
.byte 1 ! Version number.
|
||||
#ifdef SHARED
|
||||
.string "zPLR" ! NUL-terminated augmentation
|
||||
! string.
|
||||
#else
|
||||
.string "zPL" ! NUL-terminated augmentation
|
||||
! string.
|
||||
#endif
|
||||
.uleb128 1 ! Code alignment factor.
|
||||
.sleb128 -4 ! Data alignment factor.
|
||||
.byte 0x11 ! Return address register
|
||||
! column.
|
||||
#ifdef SHARED
|
||||
.uleb128 7 ! Augmentation value length.
|
||||
.byte 0x9b ! Personality: DW_EH_PE_pcrel
|
||||
! + DW_EH_PE_sdata4
|
||||
! + DW_EH_PE_indirect
|
||||
.ualong DW.ref.__gcc_personality_v0-.
|
||||
.byte 0x1b ! LSDA Encoding: DW_EH_PE_pcrel
|
||||
! + DW_EH_PE_sdata4.
|
||||
.byte 0x1b ! FDE Encoding: DW_EH_PE_pcrel
|
||||
! + DW_EH_PE_sdata4.
|
||||
#else
|
||||
.uleb128 6 ! Augmentation value length.
|
||||
.byte 0x0 ! Personality: absolute
|
||||
.ualong __gcc_personality_v0
|
||||
.byte 0x0 ! LSDA Encoding: absolute
|
||||
#endif
|
||||
.byte 0x0c ! DW_CFA_def_cfa
|
||||
.uleb128 0xf
|
||||
.uleb128 0
|
||||
.align 2
|
||||
.LENDCIE:
|
||||
|
||||
.ualong .LENDFDE-.LSTARTFDE ! Length of the FDE.
|
||||
.LSTARTFDE:
|
||||
.ualong .LSTARTFDE-.LSTARTFRAME ! CIE pointer.
|
||||
#ifdef SHARED
|
||||
.ualong .LSTARTCODE-. ! PC-relative start address
|
||||
! of the code.
|
||||
#else
|
||||
.ualong .LSTARTCODE ! Start address of the code.
|
||||
#endif
|
||||
.ualong .LENDCODE-.LSTARTCODE ! Length of the code.
|
||||
.uleb128 4 ! Augmentation size
|
||||
#ifdef SHARED
|
||||
.ualong .LexceptSTART-.
|
||||
#else
|
||||
.ualong .LexceptSTART
|
||||
#endif
|
||||
.byte 0x4
|
||||
.ualong .Lpush_r8-.LSTARTCODE
|
||||
.byte 0xe
|
||||
.uleb128 4
|
||||
.byte 0x88
|
||||
.uleb128 1
|
||||
.byte 0x4
|
||||
.ualong .Lpush_r9-.Lpush_r8
|
||||
.byte 0xe
|
||||
.uleb128 8
|
||||
.byte 0x89
|
||||
.uleb128 2
|
||||
.byte 0x4
|
||||
.ualong .Lpush_r10-.Lpush_r9
|
||||
.byte 0xe
|
||||
.uleb128 12
|
||||
.byte 0x8a
|
||||
.uleb128 3
|
||||
.byte 0x4
|
||||
.ualong .Lpush_r11-.Lpush_r10
|
||||
.byte 0xe
|
||||
.uleb128 16
|
||||
.byte 0x8b
|
||||
.uleb128 4
|
||||
.byte 0x4
|
||||
.ualong .Lpush_r12-.Lpush_r11
|
||||
.byte 0xe
|
||||
.uleb128 20
|
||||
.byte 0x8c
|
||||
.uleb128 5
|
||||
.byte 0x4
|
||||
.ualong .Lpush_pr-.Lpush_r12
|
||||
.byte 0xe
|
||||
.uleb128 24
|
||||
.byte 0x91
|
||||
.uleb128 6
|
||||
.byte 0x4
|
||||
.ualong .Lalloc-.Lpush_pr
|
||||
.byte 0xe
|
||||
.uleb128 72
|
||||
.byte 0x4
|
||||
.ualong .Lfree-.Lalloc
|
||||
.byte 0xe
|
||||
.uleb128 24
|
||||
.byte 0x4
|
||||
.ualong .Lpop_pr-.Lfree
|
||||
.byte 0xe
|
||||
.uleb128 20
|
||||
.byte 0xd1
|
||||
.byte 0x4
|
||||
.ualong .Lpop_r12-.Lpop_pr
|
||||
.byte 0xe
|
||||
.uleb128 16
|
||||
.byte 0xcc
|
||||
.byte 0x4
|
||||
.ualong .Lpop_r11-.Lpop_r12
|
||||
.byte 0xe
|
||||
.uleb128 12
|
||||
.byte 0xcb
|
||||
.byte 0x4
|
||||
.ualong .Lpop_r10-.Lpop_r11
|
||||
.byte 0xe
|
||||
.uleb128 8
|
||||
.byte 0xca
|
||||
.byte 0x4
|
||||
.ualong .Lpop_r9-.Lpop_r10
|
||||
.byte 0xe
|
||||
.uleb128 4
|
||||
.byte 0xc9
|
||||
.byte 0x4
|
||||
.ualong .Lpop_r8-.Lpop_r9
|
||||
.byte 0xe
|
||||
.uleb128 0
|
||||
.byte 0xc8
|
||||
.byte 0x4
|
||||
.ualong .LSblSTART-.Lpop_r8
|
||||
.byte 0xe
|
||||
.uleb128 72
|
||||
.byte 0x4
|
||||
.ualong .LSblEND-.LSblSTART
|
||||
.byte 0xe
|
||||
.uleb128 72
|
||||
.align 2
|
||||
.LENDFDE:
|
||||
|
||||
#ifdef SHARED
|
||||
.hidden DW.ref.__gcc_personality_v0
|
||||
.weak DW.ref.__gcc_personality_v0
|
||||
.section .gnu.linkonce.d.DW.ref.__gcc_personality_v0,"aw",@progbits
|
||||
.align 4
|
||||
.type DW.ref.__gcc_personality_v0, @object
|
||||
.size DW.ref.__gcc_personality_v0, 4
|
||||
DW.ref.__gcc_personality_v0:
|
||||
.long __gcc_personality_v0
|
||||
#endif
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 2003 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 2003, 2004 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
|
||||
@ -16,6 +16,7 @@
|
||||
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA. */
|
||||
|
||||
#include <unwindbuf.h>
|
||||
#include <sysdep.h>
|
||||
#include "lowlevel-atomic.h"
|
||||
|
||||
@ -29,6 +30,7 @@
|
||||
.globl __pthread_once
|
||||
.type __pthread_once,@function
|
||||
.align 5
|
||||
cfi_startproc
|
||||
__pthread_once:
|
||||
mov.l @r4, r0
|
||||
tst #2, r0
|
||||
@ -38,20 +40,27 @@ __pthread_once:
|
||||
|
||||
1:
|
||||
mov.l r12, @-r15
|
||||
cfi_adjust_cfa_offset (4)
|
||||
cfi_rel_offset (r12, 0)
|
||||
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)
|
||||
sts.l pr, @-r15
|
||||
cfi_adjust_cfa_offset (4)
|
||||
cfi_rel_offset (pr, 0)
|
||||
mov r5, r8
|
||||
mov r4, r9
|
||||
|
||||
/* Not yet initialized or initialization in progress.
|
||||
Get the fork generation counter now. */
|
||||
6:
|
||||
mov.l @r4, r1
|
||||
#ifdef PIC
|
||||
mova .Lgot, r0
|
||||
mov.l .Lgot, r12
|
||||
add r0, r12
|
||||
#endif
|
||||
|
||||
5:
|
||||
mov r1, r0
|
||||
@ -97,9 +106,9 @@ __pthread_once:
|
||||
nop
|
||||
|
||||
.align 2
|
||||
#ifdef PIC
|
||||
.Lgot:
|
||||
.long _GLOBAL_OFFSET_TABLE_
|
||||
#ifdef PIC
|
||||
.Lfgen:
|
||||
.long __fork_generation@GOTOFF
|
||||
#else
|
||||
@ -109,31 +118,40 @@ __pthread_once:
|
||||
|
||||
3:
|
||||
/* Call the initializer function after setting up the
|
||||
cancellation handler. */
|
||||
/* Allocate a _pthread_cleanup_buffer on stack. */
|
||||
add #-16, r15
|
||||
cancellation handler. Note that it is not possible here
|
||||
to use the unwind-based cleanup handling. This would require
|
||||
that the user-provided function and all the code it calls
|
||||
is compiled with exceptions. Unfortunately this cannot be
|
||||
guaranteed. */
|
||||
add #-UNWINDBUFSIZE, r15
|
||||
cfi_adjust_cfa_offset (UNWINDBUFSIZE)
|
||||
|
||||
mov.l .Lsigsetjmp, r1
|
||||
mov #UWJMPBUF, r4
|
||||
add r15, r4
|
||||
bsrf r1
|
||||
mov #0, r5
|
||||
.Lsigsetjmp0:
|
||||
tst r0, r0
|
||||
bf 7f
|
||||
|
||||
/* Push the cleanup handler. */
|
||||
mov r4, r9
|
||||
mov r15, r4
|
||||
mov.l .Lconce, r5
|
||||
#ifdef PIC
|
||||
add r12, r5
|
||||
#endif
|
||||
mov.l .Lcpush, r1
|
||||
bsrf r1
|
||||
mov r9, r6
|
||||
mov r15, r4
|
||||
.Lcpush0:
|
||||
|
||||
/* Call the user-provided initialization function. */
|
||||
jsr @r8
|
||||
nop
|
||||
|
||||
/* Pop the cleanup handler. */
|
||||
mov r15, r4
|
||||
mov.l .Lcpop, r1
|
||||
bsrf r1
|
||||
mov #0, r5
|
||||
mov r15, r4
|
||||
.Lcpop0:
|
||||
add #16, r15
|
||||
|
||||
add #UNWINDBUFSIZE, r15
|
||||
cfi_adjust_cfa_offset (-UNWINDBUFSIZE)
|
||||
|
||||
/* Sucessful run of the initializer. Signal that we are done. */
|
||||
INC (@r9, r2)
|
||||
@ -150,24 +168,55 @@ __pthread_once:
|
||||
|
||||
4:
|
||||
lds.l @r15+, pr
|
||||
cfi_adjust_cfa_offset (-4)
|
||||
cfi_restore (pr)
|
||||
mov.l @r15+, r8
|
||||
cfi_adjust_cfa_offset (-4)
|
||||
cfi_restore (r8)
|
||||
mov.l @r15+, r9
|
||||
cfi_adjust_cfa_offset (-4)
|
||||
cfi_restore (r9)
|
||||
mov.l @r15+, r12
|
||||
cfi_adjust_cfa_offset (-4)
|
||||
cfi_restore (r12)
|
||||
rts
|
||||
mov #0, r0
|
||||
|
||||
.align 2
|
||||
.Lconce:
|
||||
#ifdef PIC
|
||||
.long clear_once_control@GOTOFF
|
||||
#else
|
||||
.long clear_once_control
|
||||
#endif
|
||||
.Lcpush:
|
||||
.long __pthread_cleanup_push - .Lcpush0 /* Note: no @PLT. */
|
||||
.Lcpop:
|
||||
.long __pthread_cleanup_pop - .Lcpop0 /* Note: no @PLT. */
|
||||
7:
|
||||
/* __sigsetjmp returned for the second time. */
|
||||
cfi_adjust_cfa_offset (UNWINDBUFSIZE+16)
|
||||
cfi_offset (r12, -4)
|
||||
cfi_offset (r9, -8)
|
||||
cfi_offset (r8, -12)
|
||||
cfi_offset (pr, -16)
|
||||
mov #0, r7
|
||||
mov.l r7, @r9
|
||||
mov r9, r4
|
||||
mov #FUTEX_WAKE, r5
|
||||
mov #-1, r6
|
||||
shlr r6 /* r6 = 0x7fffffff */
|
||||
mov #SYS_futex, r3
|
||||
extu.b r3, r3
|
||||
trapa #0x14
|
||||
SYSCALL_INST_PAD
|
||||
|
||||
mov.l .Lunext, r1
|
||||
bsrf r1
|
||||
mov r15, r4
|
||||
.Lunext0:
|
||||
/* NOTREACHED */
|
||||
sleep
|
||||
cfi_endproc
|
||||
|
||||
.align 2
|
||||
.Lsigsetjmp:
|
||||
.long __sigsetjmp@PLT-(.Lsigsetjmp0+2-.)
|
||||
.Lcpush:
|
||||
.long HIDDEN_JUMPTARGET(__pthread_register_cancel)-.Lcpush0
|
||||
.Lcpop:
|
||||
.long HIDDEN_JUMPTARGET(__pthread_unregister_cancel)-.Lcpop0
|
||||
.Lunext:
|
||||
.long HIDDEN_JUMPTARGET(__pthread_unwind_next)-.Lunext0
|
||||
.size __pthread_once,.-__pthread_once
|
||||
|
||||
.globl __pthread_once_internal
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 2003 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 2003, 2004 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
|
||||
@ -33,6 +33,7 @@
|
||||
.globl __new_sem_wait
|
||||
.type __new_sem_wait,@function
|
||||
.align 5
|
||||
cfi_startproc
|
||||
__new_sem_wait:
|
||||
/* First check for cancellation. */
|
||||
stc gbr, r0
|
||||
@ -44,9 +45,17 @@ __new_sem_wait:
|
||||
bt 5f
|
||||
|
||||
mov.l r8, @-r15
|
||||
cfi_adjust_cfa_offset(4)
|
||||
cfi_rel_offset (r8, 0)
|
||||
mov.l r10, @-r15
|
||||
cfi_adjust_cfa_offset(4)
|
||||
cfi_rel_offset (r10, 0)
|
||||
mov.l r12, @-r15
|
||||
cfi_adjust_cfa_offset(4)
|
||||
cfi_rel_offset (r12, 0)
|
||||
sts.l pr, @-r15
|
||||
cfi_adjust_cfa_offset(4)
|
||||
cfi_rel_offset (pr, 0)
|
||||
mov r4, r8
|
||||
3:
|
||||
mov.l @r8, r0
|
||||
@ -57,12 +66,9 @@ __new_sem_wait:
|
||||
mov r0, r4
|
||||
add #-1, r3
|
||||
CMPXCHG (r4, @r8, r3, r2)
|
||||
bf 2b
|
||||
lds.l @r15+, pr
|
||||
mov.l @r15+, r12
|
||||
mov.l @r15+, r10
|
||||
mov.l @r15+, r8
|
||||
rts
|
||||
bf/s 2b
|
||||
mov r2, r0
|
||||
bra 9f
|
||||
mov #0, r0
|
||||
|
||||
1:
|
||||
@ -112,13 +118,21 @@ __new_sem_wait:
|
||||
.Lerrloc0b:
|
||||
mov.l r8, @r0
|
||||
#endif
|
||||
mov #-1, r0
|
||||
9:
|
||||
lds.l @r15+, pr
|
||||
cfi_adjust_cfa_offset (-4)
|
||||
cfi_restore (pr)
|
||||
mov.l @r15+, r12
|
||||
cfi_adjust_cfa_offset (-4)
|
||||
cfi_restore (r12)
|
||||
mov.l @r15+, r10
|
||||
mov.l @r15+, r8
|
||||
cfi_adjust_cfa_offset (-4)
|
||||
cfi_restore (r10)
|
||||
rts
|
||||
mov #-1, r0
|
||||
|
||||
mov.l @r15+, r8
|
||||
cfi_adjust_cfa_offset (-4)
|
||||
cfi_restore (r8)
|
||||
5:
|
||||
/* Canceled. */
|
||||
stc gbr, r0
|
||||
@ -132,6 +146,7 @@ __new_sem_wait:
|
||||
mov.l .Lunwind, r2
|
||||
jmp @r2
|
||||
mov.l @(r0,r1), r4
|
||||
cfi_endproc
|
||||
|
||||
.Lchand:
|
||||
.word CANCELHANDLING - TLS_PRE_TCB_SIZE
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 2003 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 2003, 2004 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
|
||||
@ -31,6 +31,7 @@
|
||||
# define PSEUDO(name, syscall_name, args) \
|
||||
.text; \
|
||||
ENTRY (name); \
|
||||
.Lpseudo_start: \
|
||||
SINGLE_THREAD_P; \
|
||||
bf .Lpseudo_cancel; \
|
||||
.type __##syscall_name##_nocancel,@function; \
|
||||
@ -48,19 +49,27 @@
|
||||
.size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel; \
|
||||
.Lpseudo_cancel: \
|
||||
sts.l pr,@-r15; \
|
||||
.LCFI0: \
|
||||
add _IMM16,r15; \
|
||||
SAVE_ARGS_##args; \
|
||||
.LCFI1: \
|
||||
CENABLE; \
|
||||
LOAD_ARGS_##args; \
|
||||
add _IMP16,r15; \
|
||||
.LCFI2: \
|
||||
lds.l @r15+,pr; \
|
||||
.LCFI3: \
|
||||
DO_CALL(syscall_name, args); \
|
||||
SYSCALL_INST_PAD; \
|
||||
sts.l pr,@-r15; \
|
||||
.LCFI4: \
|
||||
mov.l r0,@-r15; \
|
||||
.LCFI5: \
|
||||
CDISABLE; \
|
||||
mov.l @r15+,r0; \
|
||||
.LCFI6: \
|
||||
lds.l @r15+,pr; \
|
||||
.LCFI7: \
|
||||
mov r0,r1; \
|
||||
mov _IMM12,r2; \
|
||||
shad r2,r1; \
|
||||
@ -69,7 +78,96 @@
|
||||
bf .Lpseudo_end; \
|
||||
.Lsyscall_error: \
|
||||
SYSCALL_ERROR_HANDLER; \
|
||||
.Lpseudo_end:
|
||||
.Lpseudo_end: \
|
||||
/* Create unwinding information for the syscall wrapper. */ \
|
||||
.section .eh_frame,"a",@progbits; \
|
||||
.Lframe1: \
|
||||
.ualong .LECIE1-.LSCIE1; \
|
||||
.LSCIE1: \
|
||||
.ualong 0x0; \
|
||||
.byte 0x1; \
|
||||
AUGMENTATION_STRING; \
|
||||
.uleb128 0x1; \
|
||||
.sleb128 -4; \
|
||||
.byte 0x11; \
|
||||
AUGMENTATION_PARAM; \
|
||||
.byte 0xc; \
|
||||
.uleb128 0xf; \
|
||||
.uleb128 0x0; \
|
||||
.align 2; \
|
||||
.LECIE1: \
|
||||
.LSFDE1: \
|
||||
.ualong .LEFDE1-.LASFDE1; \
|
||||
.LASFDE1: \
|
||||
.ualong .LASFDE1-.Lframe1; \
|
||||
START_SYMBOL_REF; \
|
||||
.ualong .Lpseudo_end - .Lpseudo_start; \
|
||||
AUGMENTATION_PARAM_FDE; \
|
||||
.byte 0x4; \
|
||||
.ualong .LCFI0-.Lpseudo_start; \
|
||||
.byte 0xe; \
|
||||
.uleb128 0x4; \
|
||||
.byte 0x91; \
|
||||
.uleb128 0x1; \
|
||||
.byte 0x4; \
|
||||
.ualong .LCFI1-.LCFI0; \
|
||||
.byte 0xe; \
|
||||
.uleb128 0x14; \
|
||||
FRAME_REG_##args; \
|
||||
.byte 0x4; \
|
||||
.ualong .LCFI2-.LCFI1; \
|
||||
.byte 0xe; \
|
||||
.uleb128 0x4; \
|
||||
.byte 0x4; \
|
||||
.ualong .LCFI3-.LCFI2; \
|
||||
.byte 0xe; \
|
||||
.uleb128 0x0; \
|
||||
.byte 0xd1; \
|
||||
.byte 0x4; \
|
||||
.ualong .LCFI4-.LCFI3; \
|
||||
.byte 0xe; \
|
||||
.uleb128 0x4; \
|
||||
.byte 0x91; \
|
||||
.uleb128 0x1; \
|
||||
.byte 0x4; \
|
||||
.ualong .LCFI5-.LCFI4; \
|
||||
.byte 0xe; \
|
||||
.uleb128 0x8; \
|
||||
.byte 0x80; \
|
||||
.uleb128 0x2; \
|
||||
.byte 0x4; \
|
||||
.ualong .LCFI6-.LCFI5; \
|
||||
.byte 0xe; \
|
||||
.uleb128 0x4; \
|
||||
.byte 0xc0; \
|
||||
.byte 0x4; \
|
||||
.ualong .LCFI7-.LCFI6; \
|
||||
.byte 0xe; \
|
||||
.uleb128 0x0; \
|
||||
.byte 0xd1; \
|
||||
.align 2; \
|
||||
.LEFDE1: \
|
||||
.previous
|
||||
|
||||
# ifdef SHARED
|
||||
# define AUGMENTATION_STRING .string "zR"
|
||||
# define AUGMENTATION_PARAM .uleb128 1; .byte 0x1b
|
||||
# define AUGMENTATION_PARAM_FDE .uleb128 0
|
||||
# define START_SYMBOL_REF .long .Lpseudo_start-.
|
||||
# else
|
||||
# define AUGMENTATION_STRING .ascii "\0"
|
||||
# define AUGMENTATION_PARAM
|
||||
# define AUGMENTATION_PARAM_FDE
|
||||
# define START_SYMBOL_REF .long .Lpseudo_start
|
||||
# endif
|
||||
|
||||
# define FRAME_REG_0 /* Nothing. */
|
||||
# define FRAME_REG_1 FRAME_REG_0; .byte 0x84; .uleb128 5
|
||||
# define FRAME_REG_2 FRAME_REG_1; .byte 0x85; .uleb128 4
|
||||
# define FRAME_REG_3 FRAME_REG_2; .byte 0x86; .uleb128 3
|
||||
# define FRAME_REG_4 FRAME_REG_3; .byte 0x87; .uleb128 2
|
||||
# define FRAME_REG_5 FRAME_REG_4
|
||||
# define FRAME_REG_6 FRAME_REG_5
|
||||
|
||||
# undef PSEUDO_END
|
||||
# define PSEUDO_END(sym) \
|
||||
|
||||
@ -311,7 +311,7 @@
|
||||
with support. */
|
||||
#if __LINUX_KERNEL_VERSION >= 132416 \
|
||||
&& (defined __ia64__ || defined __s390__ || defined __powerpc__ \
|
||||
|| defined __x86_64__)
|
||||
|| defined __x86_64__ || __sh__)
|
||||
# define __ASSUME_CLONE_THREAD_FLAGS 1
|
||||
#endif
|
||||
|
||||
@ -349,7 +349,8 @@
|
||||
2.6.0-test3. */
|
||||
#if (__LINUX_KERNEL_VERSION >= 132427 && defined __i386__) \
|
||||
|| (__LINUX_KERNEL_VERSION >= 132609 && defined __alpha__) \
|
||||
|| (__LINUX_KERNEL_VERSION >= 132609 && defined __x86_64__)
|
||||
|| (__LINUX_KERNEL_VERSION >= 132609 && defined __x86_64__) \
|
||||
|| (__LINUX_KERNEL_VERSION >= 132609 && defined __sh__)
|
||||
# define __ASSUME_TGKILL 1
|
||||
#endif
|
||||
|
||||
@ -359,7 +360,8 @@
|
||||
#if defined __alpha__ || defined __ia64__ || defined __hppa__ \
|
||||
|| defined __sparc__ \
|
||||
|| (__LINUX_KERNEL_VERSION > 132427 && defined __i386__) \
|
||||
|| (__LINUX_KERNEL_VERSION > 132609 && defined __x86_64__)
|
||||
|| (__LINUX_KERNEL_VERSION > 132609 && defined __x86_64__) \
|
||||
|| (__LINUX_KERNEL_VERSION >= 132609 && defined __sh__)
|
||||
# define __ASSUME_UTIMES 1
|
||||
#endif
|
||||
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 1999, 2000, 2003 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1999, 2000, 2003, 2004 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
|
||||
@ -36,30 +36,60 @@
|
||||
#define __socket P(__,socket)
|
||||
#endif
|
||||
|
||||
#define PUSHARGS_1 mov.l r4,@-r15
|
||||
#define PUSHARGS_2 mov.l r5,@-r15; PUSHARGS_1
|
||||
#define PUSHARGS_3 mov.l r6,@-r15; PUSHARGS_2
|
||||
#define PUSHARGS_4 mov.l r7,@-r15; PUSHARGS_3
|
||||
#define PUSHARGS_1 mov.l r4,@-r15; \
|
||||
cfi_adjust_cfa_offset (4); \
|
||||
cfi_rel_offset (r4, 0)
|
||||
#define PUSHARGS_2 mov.l r5,@-r15; \
|
||||
cfi_adjust_cfa_offset (4); \
|
||||
cfi_rel_offset (r5, 0); \
|
||||
PUSHARGS_1
|
||||
#define PUSHARGS_3 mov.l r6,@-r15; \
|
||||
cfi_adjust_cfa_offset (4); \
|
||||
cfi_rel_offset (r6, 0); \
|
||||
PUSHARGS_2
|
||||
#define PUSHARGS_4 mov.l r7,@-r15; \
|
||||
cfi_adjust_cfa_offset (4); \
|
||||
cfi_rel_offset (r7, 0); \
|
||||
PUSHARGS_3
|
||||
#define PUSHARGS_5 PUSHARGS_4 /* Caller has already pushed arg 5 */
|
||||
#define PUSHARGS_6 PUSHARGS_4 /* Caller has already pushed arg 5,6 */
|
||||
|
||||
#define POPARGS_1 add #4,r15
|
||||
#define POPARGS_2 add #8,r15
|
||||
#define POPARGS_3 add #12,r15
|
||||
#define POPARGS_4 add #16,r15
|
||||
#define POPARGS_5 add #16,r15
|
||||
#define POPARGS_6 add #16,r15
|
||||
#define POPARGS_1 add #4,r15; cfi_adjust_cfa_offset (-4)
|
||||
#define POPARGS_2 add #8,r15; cfi_adjust_cfa_offset (-8)
|
||||
#define POPARGS_3 add #12,r15; cfi_adjust_cfa_offset (-12)
|
||||
#define POPARGS_4 add #16,r15; cfi_adjust_cfa_offset (-16)
|
||||
#define POPARGS_5 POPARGS_4
|
||||
#define POPARGS_6 POPARGS_4
|
||||
|
||||
#define ADJUSTCFI_1 cfi_adjust_cfa_offset (4); \
|
||||
cfi_offset (r4, -4)
|
||||
#define ADJUSTCFI_2 cfi_adjust_cfa_offset (8); \
|
||||
cfi_offset (r4, -4); \
|
||||
cfi_offset (r5, -8)
|
||||
#define ADJUSTCFI_3 cfi_adjust_cfa_offset (12); \
|
||||
cfi_offset (r4, -4); \
|
||||
cfi_offset (r5, -8); \
|
||||
cfi_offset (r6, -12)
|
||||
#define ADJUSTCFI_4 cfi_adjust_cfa_offset (16); \
|
||||
cfi_offset (r4, -4); \
|
||||
cfi_offset (r5, -8); \
|
||||
cfi_offset (r6, -12); \
|
||||
cfi_offset (r7, -16)
|
||||
#define ADJUSTCFI_5 ADJUSTCFI_4
|
||||
#define ADJUSTCFI_6 ADJUSTCFI_4
|
||||
|
||||
#ifndef NARGS
|
||||
#define NARGS 3 /* If we were called with no wrapper, this is really socket() */
|
||||
/* If we were called with no wrapper, this is really socket(). */
|
||||
#define NARGS 3
|
||||
#endif
|
||||
|
||||
.globl __socket
|
||||
cfi_startproc
|
||||
ENTRY (__socket)
|
||||
/* This will not work in the case of a socket call being interrupted
|
||||
by a signal. If the signal handler uses any stack the arguments
|
||||
to socket will be trashed. The results of a restart of any
|
||||
socket call are then unpredictable. */
|
||||
socket call are then unpredictable. */
|
||||
|
||||
/* Push args onto the stack. */
|
||||
P(PUSHARGS_,NARGS)
|
||||
@ -94,9 +124,14 @@ ENTRY (__socket)
|
||||
#if defined NEED_CANCELLATION && defined CENABLE
|
||||
.Lsocket_cancel:
|
||||
/* Enable asynchronous cancellation. */
|
||||
P(ADJUSTCFI_,NARGS)
|
||||
sts.l pr,@-r15
|
||||
cfi_adjust_cfa_offset (4)
|
||||
cfi_rel_offset (pr, 0)
|
||||
CENABLE
|
||||
lds.l @r15+,pr
|
||||
cfi_adjust_cfa_offset (-4)
|
||||
cfi_restore (pr)
|
||||
|
||||
/* Do the system call trap. */
|
||||
mov #+P(SOCKOP_,socket), r4
|
||||
@ -105,10 +140,18 @@ ENTRY (__socket)
|
||||
trapa #0x12
|
||||
|
||||
sts.l pr,@-r15
|
||||
cfi_adjust_cfa_offset (4)
|
||||
cfi_rel_offset (pr, 0)
|
||||
mov.l r0,@-r15
|
||||
cfi_adjust_cfa_offset (4)
|
||||
cfi_rel_offset (r0, 0)
|
||||
CDISABLE
|
||||
mov.l @r15+,r0
|
||||
cfi_adjust_cfa_offset (-4)
|
||||
cfi_restore (r0)
|
||||
lds.l @r15+,pr
|
||||
cfi_adjust_cfa_offset (-4)
|
||||
cfi_restore (pr)
|
||||
|
||||
/* Pop args off the stack */
|
||||
P(POPARGS_,NARGS)
|
||||
@ -122,6 +165,8 @@ ENTRY (__socket)
|
||||
bra .Lsyscall_error
|
||||
nop
|
||||
#endif
|
||||
cfi_endproc
|
||||
|
||||
.align 2
|
||||
.L1:
|
||||
.long SYS_ify(socketcall)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user