From cd248c3f0dff50ed7a9421fa3b152401050e6a6c Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Tue, 5 Sep 2006 14:49:19 +0000 Subject: 2006-03-04 Jakub Jelinek Roland McGrath * sysdeps/unix/sysv/linux/i386/lowlevellock.h (LLL_STUB_UNWIND_INFO_START, LLL_STUB_UNWIND_INFO_END, LLL_STUB_UNWIND_INFO_3, LLL_STUB_UNWIND_INFO_4): Define. (lll_mutex_lock, lll_robust_mutex_lock, lll_mutex_cond_lock, lll_robust_mutex_cond_lock, lll_mutex_timedlock, lll_robust_mutex_timedlock, lll_mutex_unlock, lll_robust_mutex_unlock, lll_lock, lll_unlock): Use them. Add _L_*_ symbols around the subsection. * sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S: Add unwind info. * sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S: Likewise. 2006-03-03 Jakub Jelinek Roland McGrath * sysdeps/unix/sysv/linux/x86_64/lowlevellock.h (LLL_STUB_UNWIND_INFO_START, LLL_STUB_UNWIND_INFO_END, LLL_STUB_UNWIND_INFO_5, LLL_STUB_UNWIND_INFO_6): Define. (lll_mutex_lock, lll_robust_mutex_lock, lll_mutex_cond_lock, lll_robust_mutex_cond_lock, lll_mutex_timedlock, lll_robust_mutex_timedlock, lll_mutex_unlock, lll_robust_mutex_unlock, lll_lock, lll_unlock): Use them. Add _L_*_ symbols around the subsection. * sysdeps/unix/sysv/linux/x86_64/lowlevellock.S: Add unwind info. * sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S: Likewise. --- .../unix/sysv/linux/i386/i486/lowlevellock.S | 61 ++++++++++++++++++++-- .../unix/sysv/linux/i386/i486/lowlevelrobustlock.S | 45 ++++++++++++++-- 2 files changed, 99 insertions(+), 7 deletions(-) (limited to 'nptl/sysdeps/unix/sysv/linux/i386/i486') diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S index ae6ce9453f..e2da5b04cf 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S +++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper , 2002. @@ -41,9 +41,16 @@ .hidden __lll_mutex_lock_wait .align 16 __lll_mutex_lock_wait: + cfi_startproc pushl %edx + cfi_adjust_cfa_offset(4) pushl %ebx + cfi_adjust_cfa_offset(4) pushl %esi + cfi_adjust_cfa_offset(4) + cfi_offset(%edx, -8) + cfi_offset(%ebx, -12) + cfi_offset(%esi, -16) movl $2, %edx movl %ecx, %ebx @@ -63,9 +70,16 @@ __lll_mutex_lock_wait: jnz 1b popl %esi + cfi_adjust_cfa_offset(-4) + cfi_restore(%esi) popl %ebx + cfi_adjust_cfa_offset(-4) + cfi_restore(%ebx) popl %edx + cfi_adjust_cfa_offset(-4) + cfi_restore(%edx) ret + cfi_endproc .size __lll_mutex_lock_wait,.-__lll_mutex_lock_wait @@ -75,17 +89,27 @@ __lll_mutex_lock_wait: .hidden __lll_mutex_timedlock_wait .align 16 __lll_mutex_timedlock_wait: + cfi_startproc /* Check for a valid timeout value. */ cmpl $1000000000, 4(%edx) jae 3f pushl %edi + cfi_adjust_cfa_offset(4) pushl %esi + cfi_adjust_cfa_offset(4) pushl %ebx + cfi_adjust_cfa_offset(4) pushl %ebp + cfi_adjust_cfa_offset(4) + cfi_offset(%edi, -8) + cfi_offset(%esi, -12) + cfi_offset(%ebx, -16) + cfi_offset(%ebp, -20) /* Stack frame for the timespec and timeval structs. */ subl $8, %esp + cfi_adjust_cfa_offset(8) movl %ecx, %ebp movl %edx, %edi @@ -140,12 +164,29 @@ __lll_mutex_timedlock_wait: jnz 7f 6: addl $8, %esp + cfi_adjust_cfa_offset(-8) popl %ebp + cfi_adjust_cfa_offset(-4) + cfi_restore(%ebp) popl %ebx + cfi_adjust_cfa_offset(-4) + cfi_restore(%ebx) popl %esi + cfi_adjust_cfa_offset(-4) + cfi_restore(%esi) popl %edi + cfi_adjust_cfa_offset(-4) + cfi_restore(%edi) ret +3: movl $EINVAL, %eax + ret + + cfi_adjust_cfa_offset(24) + cfi_offset(%edi, -8) + cfi_offset(%esi, -12) + cfi_offset(%ebx, -16) + cfi_offset(%ebp, -20) /* Check whether the time expired. */ 7: cmpl $-ETIMEDOUT, %ecx je 5f @@ -157,11 +198,9 @@ __lll_mutex_timedlock_wait: jz 6b jmp 1b -3: movl $EINVAL, %eax - ret - 5: movl $ETIMEDOUT, %eax jmp 6b + cfi_endproc .size __lll_mutex_timedlock_wait,.-__lll_mutex_timedlock_wait #endif @@ -200,9 +239,16 @@ lll_unlock_wake_cb: .hidden __lll_mutex_unlock_wake .align 16 __lll_mutex_unlock_wake: + cfi_startproc pushl %ebx + cfi_adjust_cfa_offset(4) pushl %ecx + cfi_adjust_cfa_offset(4) pushl %edx + cfi_adjust_cfa_offset(4) + cfi_offset(%ebx, -8) + cfi_offset(%ecx, -12) + cfi_offset(%edx, -16) movl %eax, %ebx movl $0, (%eax) @@ -212,9 +258,16 @@ __lll_mutex_unlock_wake: ENTER_KERNEL popl %edx + cfi_adjust_cfa_offset(-4) + cfi_restore(%edx) popl %ecx + cfi_adjust_cfa_offset(-4) + cfi_restore(%ecx) popl %ebx + cfi_adjust_cfa_offset(-4) + cfi_restore(%ebx) ret + cfi_endproc .size __lll_mutex_unlock_wake,.-__lll_mutex_unlock_wake diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S index ff09745060..73d8bc4ccc 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S +++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S @@ -44,9 +44,16 @@ .hidden __lll_robust_mutex_lock_wait .align 16 __lll_robust_mutex_lock_wait: + cfi_startproc pushl %edx + cfi_adjust_cfa_offset(4) pushl %ebx + cfi_adjust_cfa_offset(4) pushl %esi + cfi_adjust_cfa_offset(4) + cfi_offset(%edx, -8) + cfi_offset(%ebx, -12) + cfi_offset(%esi, -16) movl %ecx, %ebx xorl %esi, %esi /* No timeout. */ @@ -81,9 +88,16 @@ __lll_robust_mutex_lock_wait: /* NB: %eax == 0 */ 3: popl %esi + cfi_adjust_cfa_offset(-4) + cfi_restore(%esi) popl %ebx + cfi_adjust_cfa_offset(-4) + cfi_restore(%ebx) popl %edx + cfi_adjust_cfa_offset(-4) + cfi_restore(%edx) ret + cfi_endproc .size __lll_robust_mutex_lock_wait,.-__lll_robust_mutex_lock_wait @@ -92,17 +106,27 @@ __lll_robust_mutex_lock_wait: .hidden __lll_robust_mutex_timedlock_wait .align 16 __lll_robust_mutex_timedlock_wait: + cfi_startproc /* Check for a valid timeout value. */ cmpl $1000000000, 4(%edx) jae 3f pushl %edi + cfi_adjust_cfa_offset(4) pushl %esi + cfi_adjust_cfa_offset(4) pushl %ebx + cfi_adjust_cfa_offset(4) pushl %ebp + cfi_adjust_cfa_offset(4) + cfi_offset(%edi, -8) + cfi_offset(%esi, -12) + cfi_offset(%ebx, -16) + cfi_offset(%ebp, -20) /* Stack frame for the timespec and timeval structs. */ subl $12, %esp + cfi_adjust_cfa_offset(12) movl %ecx, %ebp movl %edx, %edi @@ -170,19 +194,34 @@ __lll_robust_mutex_timedlock_wait: jnz 7f 6: addl $12, %esp + cfi_adjust_cfa_offset(-12) popl %ebp + cfi_adjust_cfa_offset(-4) + cfi_restore(%ebp) popl %ebx + cfi_adjust_cfa_offset(-4) + cfi_restore(%ebx) popl %esi + cfi_adjust_cfa_offset(-4) + cfi_restore(%esi) popl %edi + cfi_adjust_cfa_offset(-4) + cfi_restore(%edi) ret +3: movl $EINVAL, %eax + ret + + cfi_adjust_cfa_offset(28) + cfi_offset(%edi, -8) + cfi_offset(%esi, -12) + cfi_offset(%ebx, -16) + cfi_offset(%ebp, -20) /* Check whether the time expired. */ 7: cmpl $-ETIMEDOUT, %ecx jne 1b 8: movl $ETIMEDOUT, %eax jmp 6b - -3: movl $EINVAL, %eax - ret + cfi_endproc .size __lll_robust_mutex_timedlock_wait,.-__lll_robust_mutex_timedlock_wait -- cgit v1.2.3