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Use cfi directives in x86 pthread_cond_{,timed}wait.

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This commit is contained in:
Ulrich Drepper 2009-11-17 17:59:33 -08:00
parent 3933378fd3
commit f8c10bb45b
3 changed files with 145 additions and 349 deletions
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7
nptl/ChangeLog
View File

@ -1,3 +1,10 @@
2009-11-17 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S: Convert to use
cfi directives.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S: Likewise.
Based on a patch by Dinakar Guniguntala <dino@in.ibm.com>.
2009-11-03 Andreas Schwab <schwab@linux-m68k.org> 2009-11-03 Andreas Schwab <schwab@linux-m68k.org>
[BZ #4457] [BZ #4457]

258
nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2002, 2003, 2004, 2006, 2007 Free Software Foundation, Inc. /* Copyright (C) 2002-2004, 2006-2007, 2009 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -34,14 +34,29 @@
.align 16 .align 16
__pthread_cond_timedwait: __pthread_cond_timedwait:
.LSTARTCODE: .LSTARTCODE:
cfi_startproc
#ifdef SHARED
cfi_personality(DW_EH_PE_pcrel | DW_EH_PE_sdata4 | DW_EH_PE_indirect,
DW.ref.__gcc_personality_v0)
cfi_lsda(DW_EH_PE_pcrel | DW_EH_PE_sdata4, .LexceptSTART)
#else
cfi_personality(DW_EH_PE_udata4, __gcc_personality_v0)
cfi_lsda(DW_EH_PE_udata4, .LexceptSTART)
#endif
pushl %ebp pushl %ebp
.Lpush_ebp: cfi_adjust_cfa_offset(4)
cfi_rel_offset(%ebp, 0)
pushl %edi pushl %edi
.Lpush_edi: cfi_adjust_cfa_offset(4)
cfi_rel_offset(%edi, 0)
pushl %esi pushl %esi
.Lpush_esi: cfi_adjust_cfa_offset(4)
cfi_rel_offset(%esi, 0)
pushl %ebx pushl %ebx
.Lpush_ebx: cfi_adjust_cfa_offset(4)
cfi_rel_offset(%ebx, 0)
cfi_remember_state
movl 20(%esp), %ebx movl 20(%esp), %ebx
movl 28(%esp), %ebp movl 28(%esp), %ebp
@ -82,7 +97,7 @@ __pthread_cond_timedwait:
#define FRAME_SIZE 24 #define FRAME_SIZE 24
subl $FRAME_SIZE, %esp subl $FRAME_SIZE, %esp
.Lsubl: cfi_adjust_cfa_offset(FRAME_SIZE)
/* Get and store current wakeup_seq value. */ /* Get and store current wakeup_seq value. */
movl wakeup_seq(%ebx), %edi movl wakeup_seq(%ebx), %edi
@ -273,7 +288,7 @@ __pthread_cond_timedwait:
11: movl 24+FRAME_SIZE(%esp), %eax 11: movl 24+FRAME_SIZE(%esp), %eax
call __pthread_mutex_cond_lock call __pthread_mutex_cond_lock
addl $FRAME_SIZE, %esp addl $FRAME_SIZE, %esp
.Laddl: cfi_adjust_cfa_offset(-FRAME_SIZE);
/* We return the result of the mutex_lock operation if it failed. */ /* We return the result of the mutex_lock operation if it failed. */
testl %eax, %eax testl %eax, %eax
@ -286,19 +301,24 @@ __pthread_cond_timedwait:
#endif #endif
18: popl %ebx 18: popl %ebx
.Lpop_ebx: cfi_adjust_cfa_offset(-4)
cfi_restore(%ebx)
popl %esi popl %esi
.Lpop_esi: cfi_adjust_cfa_offset(-4)
cfi_restore(%esi)
popl %edi popl %edi
.Lpop_edi: cfi_adjust_cfa_offset(-4)
cfi_restore(%edi)
popl %ebp popl %ebp
.Lpop_ebp: cfi_adjust_cfa_offset(-4)
cfi_restore(%ebp)
ret ret
cfi_restore_state
/* Initial locking failed. */ /* Initial locking failed. */
1: 1:
.LSbl1:
#if cond_lock == 0 #if cond_lock == 0
movl %ebx, %edx movl %ebx, %edx
#else #else
@ -317,9 +337,41 @@ __pthread_cond_timedwait:
call __lll_lock_wait call __lll_lock_wait
jmp 2b jmp 2b
/* The initial unlocking of the mutex failed. */
16:
LOCK
#if cond_lock == 0
subl $1, (%ebx)
#else
subl $1, cond_lock(%ebx)
#endif
jne 18b
movl %eax, %esi
#if cond_lock == 0
movl %ebx, %eax
#else
leal cond_lock(%ebx), %eax
#endif
#if (LLL_SHARED-LLL_PRIVATE) > 255
xorl %ecx, %ecx
#endif
cmpl $-1, dep_mutex(%ebx)
setne %cl
subl $1, %ecx
andl $(LLL_SHARED-LLL_PRIVATE), %ecx
#if LLL_PRIVATE != 0
addl $LLL_PRIVATE, %ecx
#endif
call __lll_unlock_wake
movl %esi, %eax
jmp 18b
cfi_adjust_cfa_offset(FRAME_SIZE)
/* Unlock in loop requires wakeup. */ /* Unlock in loop requires wakeup. */
3: 3:
.LSbl2:
#if cond_lock == 0 #if cond_lock == 0
movl %ebx, %eax movl %ebx, %eax
#else #else
@ -378,41 +430,8 @@ __pthread_cond_timedwait:
call __lll_unlock_wake call __lll_unlock_wake
jmp 11b jmp 11b
/* The initial unlocking of the mutex failed. */
16:
.LSbl3:
LOCK
#if cond_lock == 0
subl $1, (%ebx)
#else
subl $1, cond_lock(%ebx)
#endif
jne 18b
movl %eax, %esi
#if cond_lock == 0
movl %ebx, %eax
#else
leal cond_lock(%ebx), %eax
#endif
#if (LLL_SHARED-LLL_PRIVATE) > 255
xorl %ecx, %ecx
#endif
cmpl $-1, dep_mutex(%ebx)
setne %cl
subl $1, %ecx
andl $(LLL_SHARED-LLL_PRIVATE), %ecx
#if LLL_PRIVATE != 0
addl $LLL_PRIVATE, %ecx
#endif
call __lll_unlock_wake
movl %esi, %eax
jmp 18b
#if defined __NR_clock_gettime && !defined __ASSUME_POSIX_TIMERS #if defined __NR_clock_gettime && !defined __ASSUME_POSIX_TIMERS
/* clock_gettime not available. */ /* clock_gettime not available. */
.LSbl4:
19: leal 4(%esp), %ebx 19: leal 4(%esp), %ebx
xorl %ecx, %ecx xorl %ecx, %ecx
movl $__NR_gettimeofday, %eax movl $__NR_gettimeofday, %eax
@ -443,7 +462,6 @@ versioned_symbol (libpthread, __pthread_cond_timedwait, pthread_cond_timedwait,
.type __condvar_tw_cleanup2, @function .type __condvar_tw_cleanup2, @function
__condvar_tw_cleanup2: __condvar_tw_cleanup2:
subl $cond_futex, %ebx subl $cond_futex, %ebx
.LSbl5:
.size __condvar_tw_cleanup2, .-__condvar_tw_cleanup2 .size __condvar_tw_cleanup2, .-__condvar_tw_cleanup2
.type __condvar_tw_cleanup, @function .type __condvar_tw_cleanup, @function
__condvar_tw_cleanup: __condvar_tw_cleanup:
@ -583,14 +601,15 @@ __condvar_tw_cleanup:
call _Unwind_Resume call _Unwind_Resume
hlt hlt
.LENDCODE: .LENDCODE:
cfi_endproc
.size __condvar_tw_cleanup, .-__condvar_tw_cleanup .size __condvar_tw_cleanup, .-__condvar_tw_cleanup
.section .gcc_except_table,"a",@progbits .section .gcc_except_table,"a",@progbits
.LexceptSTART: .LexceptSTART:
.byte 0xff # @LPStart format (omit) .byte DW_EH_PE_omit # @LPStart format (omit)
.byte 0xff # @TType format (omit) .byte DW_EH_PE_omit # @TType format (omit)
.byte 0x0b # call-site format .byte DW_EH_PE_sdata4 # call-site format
# DW_EH_PE_sdata4 # DW_EH_PE_sdata4
.uleb128 .Lcstend-.Lcstbegin .uleb128 .Lcstend-.Lcstbegin
.Lcstbegin: .Lcstbegin:
@ -613,144 +632,13 @@ __condvar_tw_cleanup:
.Lcstend: .Lcstend:
.section .eh_frame,"a",@progbits
.LSTARTFRAME:
.long L(ENDCIE)-L(STARTCIE) # Length of the CIE.
.LSTARTCIE:
.long 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 8 # 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
.long 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
.long __gcc_personality_v0
.byte 0x0 # LSDA Encoding: absolute
#endif
.byte 0x0c # DW_CFA_def_cfa
.uleb128 4
.uleb128 4
.byte 0x88 # DW_CFA_offset, column 0x8
.uleb128 1
.align 4
.LENDCIE:
.long .LENDFDE-.LSTARTFDE # Length of the FDE.
.LSTARTFDE:
.long .LSTARTFDE-.LSTARTFRAME # CIE pointer.
#ifdef SHARED
.long .LSTARTCODE-. # PC-relative start address
# of the code
#else
.long .LSTARTCODE # Start address of the code.
#endif
.long .LENDCODE-.LSTARTCODE # Length of the code.
.uleb128 4 # Augmentation size
#ifdef SHARED
.long .LexceptSTART-.
#else
.long .LexceptSTART
#endif
.byte 0x40+.Lpush_ebp-.LSTARTCODE # DW_CFA_advance_loc+N
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 8
.byte 0x85 # DW_CFA_offset %ebp
.uleb128 2
.byte 0x40+ .Lpush_edi-.Lpush_ebp # DW_CFA_advance_loc+N
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 12
.byte 0x87 # DW_CFA_offset %edi
.uleb128 3
.byte 0x40+.Lpush_esi-.Lpush_edi # DW_CFA_advance_loc+N
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 16
.byte 0x86 # DW_CFA_offset %esi
.uleb128 4
.byte 0x40+.Lpush_ebx-.Lpush_esi # DW_CFA_advance_loc+N
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 20
.byte 0x83 # DW_CFA_offset %ebx
.uleb128 5
.byte 4 # DW_CFA_advance_loc4
.4byte .Lsubl-.Lpush_ebx
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 20+FRAME_SIZE
.byte 4 # DW_CFA_advance_loc4
.4byte .Laddl-.Lsubl
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 20
.byte 0x40+.Lpop_ebx-.Laddl # DW_CFA_advance_loc+N
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 16
.byte 0xc3 # DW_CFA_restore %ebx
.byte 0x40+.Lpop_esi-.Lpop_ebx # DW_CFA_advance_loc+N
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 12
.byte 0xc6 # DW_CFA_restore %esi
.byte 0x40+.Lpop_edi-.Lpop_esi # DW_CFA_advance_loc+N
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 8
.byte 0xc7 # DW_CFA_restore %edi
.byte 0x40+.Lpop_ebp-.Lpop_edi # DW_CFA_advance_loc+N
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 4
.byte 0xc5 # DW_CFA_restore %ebp
.byte 0x40+.LSbl1-.Lpop_edi # DW_CFA_advance_loc+N
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 20
.byte 4 # DW_CFA_advance_loc4
.4byte .LSbl2-.LSbl1
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 20+FRAME_SIZE
.byte 0x85 # DW_CFA_offset %ebp
.uleb128 2
.byte 0x87 # DW_CFA_offset %edi
.uleb128 3
.byte 0x86 # DW_CFA_offset %esi
.uleb128 4
.byte 0x83 # DW_CFA_offset %ebx
.uleb128 5
.byte 4 # DW_CFA_advance_loc4
.4byte .LSbl3-.LSbl2
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 20
.byte 4 # DW_CFA_advance_loc4
#if defined __NR_clock_gettime && !defined __ASSUME_POSIX_TIMERS
.4byte .LSbl4-.LSbl3
#else
.4byte .LSbl5-.LSbl3
#endif
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 20+FRAME_SIZE
.align 4
.LENDFDE:
#ifdef SHARED #ifdef SHARED
.hidden DW.ref.__gcc_personality_v0 .hidden DW.ref.__gcc_personality_v0
.weak DW.ref.__gcc_personality_v0 .weak DW.ref.__gcc_personality_v0
.section .gnu.linkonce.d.DW.ref.__gcc_personality_v0,"aw",@progbits .section .gnu.linkonce.d.DW.ref.__gcc_personality_v0,"aw",@progbits
.align 4 .align 4
.type DW.ref.__gcc_personality_v0, @object .type DW.ref.__gcc_personality_v0, @object
.size DW.ref.__gcc_personality_v0, 4 .size DW.ref.__gcc_personality_v0, 4
DW.ref.__gcc_personality_v0: DW.ref.__gcc_personality_v0:
.long __gcc_personality_v0 .long __gcc_personality_v0
#endif #endif

229
nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2002, 2003, 2004, 2006, 2007 Free Software Foundation, Inc. /* Copyright (C) 2002-2004, 2006-2007, 2009 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -33,13 +33,26 @@
.align 16 .align 16
__pthread_cond_wait: __pthread_cond_wait:
.LSTARTCODE: .LSTARTCODE:
cfi_startproc
#ifdef SHARED
cfi_personality(DW_EH_PE_pcrel | DW_EH_PE_sdata4 | DW_EH_PE_indirect,
DW.ref.__gcc_personality_v0)
cfi_lsda(DW_EH_PE_pcrel | DW_EH_PE_sdata4, .LexceptSTART)
#else
cfi_personality(DW_EH_PE_udata4, __gcc_personality_v0)
cfi_lsda(DW_EH_PE_udata4, .LexceptSTART)
#endif
pushl %edi pushl %edi
.Lpush_edi: cfi_adjust_cfa_offset(4)
cfi_rel_offset(%edi, 0)
pushl %esi pushl %esi
.Lpush_esi: cfi_adjust_cfa_offset(4)
cfi_rel_offset(%esi, 0)
pushl %ebx pushl %ebx
.Lpush_ebx: cfi_adjust_cfa_offset(4)
cfi_rel_offset(%ebx, 0)
cfi_remember_state
xorl %esi, %esi xorl %esi, %esi
movl 16(%esp), %ebx movl 16(%esp), %ebx
@ -76,7 +89,7 @@ __pthread_cond_wait:
#define FRAME_SIZE 16 #define FRAME_SIZE 16
subl $FRAME_SIZE, %esp subl $FRAME_SIZE, %esp
.Lsubl: cfi_adjust_cfa_offset(FRAME_SIZE)
/* Get and store current wakeup_seq value. */ /* Get and store current wakeup_seq value. */
movl wakeup_seq(%ebx), %edi movl wakeup_seq(%ebx), %edi
@ -202,21 +215,25 @@ __pthread_cond_wait:
11: movl 20+FRAME_SIZE(%esp), %eax 11: movl 20+FRAME_SIZE(%esp), %eax
call __pthread_mutex_cond_lock call __pthread_mutex_cond_lock
addl $FRAME_SIZE, %esp addl $FRAME_SIZE, %esp
.Laddl: cfi_adjust_cfa_offset(-FRAME_SIZE);
14: popl %ebx 14: popl %ebx
.Lpop_ebx: cfi_adjust_cfa_offset(-4)
cfi_restore(%ebx)
popl %esi popl %esi
.Lpop_esi: cfi_adjust_cfa_offset(-4)
cfi_restore(%esi)
popl %edi popl %edi
.Lpop_edi: cfi_adjust_cfa_offset(-4)
cfi_restore(%edi)
/* We return the result of the mutex_lock operation. */ /* We return the result of the mutex_lock operation. */
ret ret
cfi_restore_state
/* Initial locking failed. */ /* Initial locking failed. */
1: 1:
.LSbl1:
#if cond_lock == 0 #if cond_lock == 0
movl %ebx, %edx movl %ebx, %edx
#else #else
@ -235,9 +252,41 @@ __pthread_cond_wait:
call __lll_lock_wait call __lll_lock_wait
jmp 2b jmp 2b
/* Unlock in loop requires waekup. */ /* The initial unlocking of the mutex failed. */
12:
LOCK
#if cond_lock == 0
subl $1, (%ebx)
#else
subl $1, cond_lock(%ebx)
#endif
jne 14b
movl %eax, %esi
#if cond_lock == 0
movl %ebx, %eax
#else
leal cond_lock(%ebx), %eax
#endif
#if (LLL_SHARED-LLL_PRIVATE) > 255
xorl %ecx, %ecx
#endif
cmpl $-1, dep_mutex(%ebx)
setne %cl
subl $1, %ecx
andl $(LLL_SHARED-LLL_PRIVATE), %ecx
#if LLL_PRIVATE != 0
addl $LLL_PRIVATE, %ecx
#endif
call __lll_unlock_wake
movl %esi, %eax
jmp 14b
cfi_adjust_cfa_offset(FRAME_SIZE)
/* Unlock in loop requires wakeup. */
3: 3:
.LSbl2:
#if cond_lock == 0 #if cond_lock == 0
movl %ebx, %eax movl %ebx, %eax
#else #else
@ -295,38 +344,6 @@ __pthread_cond_wait:
#endif #endif
call __lll_unlock_wake call __lll_unlock_wake
jmp 11b jmp 11b
/* The initial unlocking of the mutex failed. */
12:
.LSbl3:
LOCK
#if cond_lock == 0
subl $1, (%ebx)
#else
subl $1, cond_lock(%ebx)
#endif
jne 14b
movl %eax, %esi
#if cond_lock == 0
movl %ebx, %eax
#else
leal cond_lock(%ebx), %eax
#endif
#if (LLL_SHARED-LLL_PRIVATE) > 255
xorl %ecx, %ecx
#endif
cmpl $-1, dep_mutex(%ebx)
setne %cl
subl $1, %ecx
andl $(LLL_SHARED-LLL_PRIVATE), %ecx
#if LLL_PRIVATE != 0
addl $LLL_PRIVATE, %ecx
#endif
call __lll_unlock_wake
movl %esi, %eax
jmp 14b
.size __pthread_cond_wait, .-__pthread_cond_wait .size __pthread_cond_wait, .-__pthread_cond_wait
versioned_symbol (libpthread, __pthread_cond_wait, pthread_cond_wait, versioned_symbol (libpthread, __pthread_cond_wait, pthread_cond_wait,
GLIBC_2_3_2) GLIBC_2_3_2)
@ -475,14 +492,15 @@ __condvar_w_cleanup:
call _Unwind_Resume call _Unwind_Resume
hlt hlt
.LENDCODE: .LENDCODE:
cfi_endproc
.size __condvar_w_cleanup, .-__condvar_w_cleanup .size __condvar_w_cleanup, .-__condvar_w_cleanup
.section .gcc_except_table,"a",@progbits .section .gcc_except_table,"a",@progbits
.LexceptSTART: .LexceptSTART:
.byte 0xff # @LPStart format (omit) .byte DW_EH_PE_omit # @LPStart format (omit)
.byte 0xff # @TType format (omit) .byte DW_EH_PE_omit # @TType format (omit)
.byte 0x0b # call-site format .byte DW_EH_PE_sdata4 # call-site format
# DW_EH_PE_sdata4 # DW_EH_PE_sdata4
.uleb128 .Lcstend-.Lcstbegin .uleb128 .Lcstend-.Lcstbegin
.Lcstbegin: .Lcstbegin:
@ -504,123 +522,6 @@ __condvar_w_cleanup:
.uleb128 0 .uleb128 0
.Lcstend: .Lcstend:
.section .eh_frame,"a",@progbits
.LSTARTFRAME:
.long L(ENDCIE)-L(STARTCIE) # Length of the CIE.
.LSTARTCIE:
.long 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 8 # 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
.long 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
.long __gcc_personality_v0
.byte 0x0 # LSDA Encoding: absolute
#endif
.byte 0x0c # DW_CFA_def_cfa
.uleb128 4
.uleb128 4
.byte 0x88 # DW_CFA_offset, column 0x8
.uleb128 1
.align 4
.LENDCIE:
.long .LENDFDE-.LSTARTFDE # Length of the FDE.
.LSTARTFDE:
.long .LSTARTFDE-.LSTARTFRAME # CIE pointer.
#ifdef SHARED
.long .LSTARTCODE-. # PC-relative start address
# of the code.
#else
.long .LSTARTCODE # Start address of the code.
#endif
.long .LENDCODE-.LSTARTCODE # Length of the code.
.uleb128 4 # Augmentation size
#ifdef SHARED
.long .LexceptSTART-.
#else
.long .LexceptSTART
#endif
.byte 0x40+.Lpush_edi-.LSTARTCODE # DW_CFA_advance_loc+N
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 8
.byte 0x87 # DW_CFA_offset %edi
.uleb128 2
.byte 0x40+.Lpush_esi-.Lpush_edi # DW_CFA_advance_loc+N
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 12
.byte 0x86 # DW_CFA_offset %esi
.uleb128 3
.byte 0x40+.Lpush_ebx-.Lpush_esi # DW_CFA_advance_loc+N
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 16
.byte 0x83 # DW_CFA_offset %ebx
.uleb128 4
.byte 4 # DW_CFA_advance_loc4
.4byte .Lsubl-.Lpush_ebx
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 16+FRAME_SIZE
.byte 4 # DW_CFA_advance_loc4
.4byte .Laddl-.Lsubl
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 16
.byte 0x40+ .Lpop_ebx-.Laddl # DW_CFA_advance_loc+N
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 12
.byte 0xc3 # DW_CFA_restore %ebx
.byte 0x40+.Lpop_esi-.Lpop_ebx # DW_CFA_advance_loc+N
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 8
.byte 0xc6 # DW_CFA_restore %esi
.byte 0x40+.Lpop_edi-.Lpop_esi # DW_CFA_advance_loc+N
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 4
.byte 0xc7 # DW_CFA_restore %edi
.byte 0x40+.LSbl1-.Lpop_edi # DW_CFA_advance_loc+N
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 16
.byte 0x87 # DW_CFA_offset %edi
.uleb128 2
.byte 0x86 # DW_CFA_offset %esi
.uleb128 3
.byte 0x83 # DW_CFA_offset %ebx
.uleb128 4
.byte 4 # DW_CFA_advance_loc4
.4byte .LSbl2-.LSbl1
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 16+FRAME_SIZE
.byte 4 # DW_CFA_advance_loc4
.4byte .LSbl3-.LSbl2
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 16
.byte 4 # DW_CFA_advance_loc4
.4byte .LSbl4-.LSbl3
.byte 14 # DW_CFA_def_cfa_offset
.uleb128 16+FRAME_SIZE
.align 4
.LENDFDE:
#ifdef PIC #ifdef PIC
.section .gnu.linkonce.t.__i686.get_pc_thunk.cx,"ax",@progbits .section .gnu.linkonce.t.__i686.get_pc_thunk.cx,"ax",@progbits
.globl __i686.get_pc_thunk.cx .globl __i686.get_pc_thunk.cx