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Add sigstack handling to Linux ____longjmp_chk on powerpc.

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This commit is contained in:
Andreas Schwab 2009-08-22 02:01:51 -07:00 committed by Ulrich Drepper
parent 464dc022eb
commit 15efafdf07
11 changed files with 633 additions and 27 deletions
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9
ChangeLog
View File

@ -1,3 +1,12 @@
2009-08-21 Andreas Schwab <schwab@redhat.com>
* sysdeps/powerpc/powerpc32/____longjmp_chk.S: Removed.
* sysdeps/powerpc/powerpc64/____longjmp_chk.S: Removed.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/____longjmp_chk.S: New file.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/____longjmp_chk.S: New file.
* sysdeps/powerpc/powerpc32/__longjmp-common.S: Move CHECK_SP earlier.
* sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S: Likewise.
2009-08-20 Roland McGrath <roland@redhat.com>
* sysdeps/generic/elf/backtracesyms.c (__backtrace_symbols):

13
nptl/pthread_rwlock_init.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2002, 2007 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2007, 2009 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -37,13 +37,7 @@ __pthread_rwlock_init (rwlock, attr)
iattr = ((const struct pthread_rwlockattr *) attr) ?: &default_attr;
rwlock->__data.__lock = 0;
rwlock->__data.__nr_readers = 0;
rwlock->__data.__readers_wakeup = 0;
rwlock->__data.__writer_wakeup = 0;
rwlock->__data.__nr_readers_queued = 0;
rwlock->__data.__nr_writers_queued = 0;
rwlock->__data.__writer = 0;
memset (rwlock, '\0', sizeof (*rwlock));
rwlock->__data.__flags
= iattr->lockkind == PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP;
@ -74,9 +68,6 @@ __pthread_rwlock_init (rwlock, attr)
header.private_futex));
#endif
rwlock->__data.__pad1 = 0;
rwlock->__data.__pad2 = 0;
return 0;
}
strong_alias (__pthread_rwlock_init, pthread_rwlock_init)

122
nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_rdlock.S
View File

@ -31,6 +31,127 @@
.align 16
__pthread_rwlock_rdlock:
cfi_startproc
movq $NRW_RC, %rax
LOCK
xaddq %rax, NRW_WORD(%rdi)
js .Lundo
.Lagain1:
movq $(NRW_WL|NRW_WP), %rcx
movq $(NRW_WL|NRW_WW_MASK), %rdx
testq %rax, %rcx
setnz %cl
testq %rax, %rdx
setnz %dl
orb %cl, %dl
jnz .Lwait
xorl %eax, %eax
ret
.Lwait: movq $NRW_WL, %rcx
testq %rcx, %rax
jz 4f
movl %fs:TID, %ecx
cmpl %ecx, WRITER(%rdi)
je .Ldeadlk
4: xorq %r8, %r8
movq $NRW_RC, %rdx
addq %rdx, %rax
movq $(NRW_WL|NRW_AR), %rcx
movq $(NRW_WP|NRW_WW_MASK), %rdx
testq %rax, %rcx
setz %cl
testq %rax, %rdx
setnz %dl
testb %dl, %cl
jz 1f
movq $NRW_RW-NRW_RC, %rdx
addq %rax, %rdx
LOCK
cmpxchgq %rdx, NRW_WORD(%rdi)
jnz .Lagain1
movq $NRW_RC_MASK, %rax
testq %rdx, %rax
movl $1, %r8d
jz .Lwake_waiter
1: xorq %r10, %r10
movl $NRW_R_WAKEUP, %r9d
movl $(FUTEX_WAIT_BITSET|FUTEX_PRIVATE_FLAG), %esi
xorl PSHARED(%rdi), %esi
leaq NRW_WORD+4(%rdi), %rdi
2: shldq $32, %rax, %rdx
movl $__NR_futex, %eax
syscall
movq -4(%rdi), %rax
5: movq $(NRW_WL|NRW_WP), %rcx
movq $(NRW_WL|NRW_WW_MASK), %rdx
testq %rax, %rcx
setnz %cl
testq %rax, %rdx
setnz %dl
orb %cl, %dl
jnz 2b
testl %r8d, %r8d
jz 3f
movq $NRW_RC-NRW_RW, %rcx
addq %rcx, %rdx
LOCK
cmpxchgq %rdx, -4(%rdi)
jnz 5b
3: xorl %eax, %eax
ret
.Lwake_waiter:
movq %rdx, %r10
movl $__NR_futex, %eax
movl $(FUTEX_WAKE_BITSET|FUTEX_PRIVATE_FLAG), %esi
xorl PSHARED(%rdi), %esi
leaq NRW_WORD(%rdi), %rdi
movl $1, %edx
movl $NRW_W_WAKEUP, %r9d
syscall
leaq -NRW_WORD(%rdi), %rdi
movq %r10, %rdx
jmp 1b
.Lundo: movq $-NRW_RC, %rcx
movq %rax, %rdx
subq %rcx, %rax
LOCK
cmpxchgq %rdx, NRW_WORD(%rdi)
jz .Lret
movq $NRW_RC_OVFL, %r8
.Lagain2:
testq %r8, %rax
jz .Lagain1
leaq (%rax,%rcx), %rdx
LOCK
cmpxchgq %rdx, NRW_WORD(%rdi)
jnz .Lagain2
.Lret: movl $EAGAIN, %eax
ret
.Ldeadlk:
movq $NRW_RC, %rdx
LOCK
subq %rdx, NRW_WORD(%rdi)
movl $EDEADLK, %eax
ret
#if 0
xorq %r10, %r10
/* Get the lock. */
@ -168,6 +289,7 @@ __pthread_rwlock_rdlock:
subq $MUTEX, %rdi
#endif
jmp 13b
#endif
cfi_endproc
.size __pthread_rwlock_rdlock,.-__pthread_rwlock_rdlock

138
nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S
View File

@ -34,6 +34,143 @@
.align 16
pthread_rwlock_timedrdlock:
cfi_startproc
movq %rsi, %r10
movq $NRW_RC, %rax
LOCK
xaddq %rax, NRW_WORD(%rdi)
js .Lundo
.Lagain1:
movq $(NRW_WL|NRW_WP), %rcx
movq $(NRW_WL|NRW_WW_MASK), %rdx
testq %rax, %rcx
setnz %cl
testq %rax, %rdx
setnz %dl
orb %cl, %dl
jnz .Lwait
xorl %eax, %eax
ret
.Lwait: movq $NRW_WL, %rcx
testq %rcx, %rax
jz 4f
movl %fs:TID, %ecx
cmpl %ecx, WRITER(%rdi)
je .Ldeadlk
4: xorq %r8, %r8
movq $NRW_RC, %rdx
addq %rdx, %rax
movq $(NRW_WL|NRW_AR), %rcx
movq $(NRW_WP|NRW_WW_MASK), %rdx
testq %rax, %rcx
setz %cl
testq %rax, %rdx
setnz %dl
testb %dl, %cl
jz 1f
movq $NRW_RW-NRW_RC, %rdx
addq %rax, %rdx
LOCK
cmpxchgq %rdx, NRW_WORD(%rdi)
jnz .Lagain1
movq $NRW_RC_MASK, %rax
testq %rdx, %rax
movq $NRW_RW-NRW_RC, %r8
jz .Lwake_waiter
1: movl $NRW_R_WAKEUP, %r9d
leaq NRW_WORD+4(%rdi), %rdi
2: movl $(FUTEX_WAIT_BITSET|FUTEX_PRIVATE_FLAG|FUTEX_CLOCK_REALTIME), %esi
xorl PSHARED-(NRW_WORD+4)(%rdi), %esi
shldq $32, %rax, %rdx
movl $__NR_futex, %eax
syscall
movl %eax, %esi
movq -4(%rdi), %rax
6: movq $(NRW_WL|NRW_WP), %rcx
movq $(NRW_WL|NRW_WW_MASK), %rdx
testq %rax, %rcx
setnz %cl
testq %rax, %rdx
setnz %dl
orb %cl, %dl
jz 5f
cmpl $-EWOULDBLOCK, %esi
je 2b
movq $-NRW_RC, %rdx
subq %r8, %rdx
addq %rax, %rdx
LOCK
cmpxchgq %rdx, -4(%rdi)
jnz 6b
negl %esi
movl %esi, %eax
ret
5: testl %r8d, %r8d
jz 3f
movq $NRW_RC-NRW_RW, %rcx
addq %rcx, %rdx
LOCK
cmpxchgq %rdx, -4(%rdi)
jnz 6b
3: xorl %eax, %eax
ret
.Lwake_waiter:
movq %rdx, %r10
movl $__NR_futex, %eax
movl $(FUTEX_WAKE_BITSET|FUTEX_PRIVATE_FLAG), %esi
xorl PSHARED(%rdi), %esi
leaq NRW_WORD(%rdi), %rdi
movl $1, %edx
movl $NRW_W_WAKEUP, %r9d
syscall
leaq -NRW_WORD(%rdi), %rdi
movq %r10, %rdx
jmp 1b
.Lundo: movq $-NRW_RC, %rcx
movq %rax, %rdx
subq %rcx, %rax
LOCK
cmpxchgq %rdx, NRW_WORD(%rdi)
jz .Lret
movq $NRW_RC_OVFL, %r8
.Lagain2:
testq %r8, %rax
jz .Lagain1
leaq (%rax,%rcx), %rdx
LOCK
cmpxchgq %rdx, NRW_WORD(%rdi)
jnz .Lagain2
.Lret: movl $EAGAIN, %eax
ret
.Ldeadlk:
movq $NRW_RC, %rdx
LOCK
subq %rdx, NRW_WORD(%rdi)
movl $EDEADLK, %eax
ret
#if 0
pushq %r12
cfi_adjust_cfa_offset(8)
cfi_rel_offset(%r12, 0)
@ -271,5 +408,6 @@ pthread_rwlock_timedrdlock:
19: movl $EINVAL, %edx
jmp 9b
#endif
cfi_endproc
.size pthread_rwlock_timedrdlock,.-pthread_rwlock_timedrdlock

104
nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S
View File

@ -34,6 +34,109 @@
.align 16
pthread_rwlock_timedwrlock:
cfi_startproc
movq %rsi, %r10
movq NRW_WORD(%rdi), %rax
.Lagain:
movq $(NRW_WW_MASK|NRW_WL|NRW_RC_MASK), %rdx
testq %rdx, %rax
jnz .Lwait
// XXX Probably make AR a don't-care for !WP. Unconditionally set it
movq $(NRW_AR|NRW_WL), %rdx
movq $NRW_WL, %rcx
testq $NRW_WP, %rax
cmovz %rcx, %rdx
orq %rax, %rdx
LOCK
cmpxchgq %rdx, NRW_WORD(%rdi)
jnz .Lagain
movl %fs:TID, %eax
movl %eax, WRITER(%rdi)
xorl %eax, %eax
ret
.Lwait: movq $NRW_WL, %rcx
testq %rcx, %rax
jz 1f
movl %fs:TID, %eax
cmpl %eax, WRITER(%rdi)
je .Ldeadlk
1: leaq NRW_WORD+4(%rdi), %rdi
movq $NRW_WW, %rdx
movq $NRW_WW_MASK, %rcx
addq %rax, %rdx
testq %rcx, %rdx
jz .Lovfl
LOCK
cmpxchgq %rdx, -4(%rdi)
jnz .Lagain
movl $NRW_W_WAKEUP, %r9d
.Lwait2:
movl $(FUTEX_WAIT_BITSET|FUTEX_PRIVATE_FLAG|FUTEX_CLOCK_REALTIME), %esi
movl $__NR_futex, %eax
xorl PSHARED-(NRW_WORD+4)(%rdi), %esi
syscall
movl %eax, %esi
movq -4(%rdi), %rax
.Lagain2:
movq $(NRW_WL|NRW_RC_MASK), %rdx
movq $(NRW_WL|NRW_AR), %rcx
testq %rdx, %rax
movq $NRW_AR, %rsi
setz %cl
andq %rax, %rcx
cmpq %rsi, %rcx
sete %cl
orb %dl, %cl
jnz 2f
cmpl $-EWOULDBLOCK, %esi
jne .Lwait2
movq $-NRW_WW, %rdx
addq %rax, %rdx
LOCK
cmpxchgq %rdx, -4(%rdi)
jnz .Lagain2
negl %esi
movl %esi, %eax
ret
2: movq $-NRW_WW, %rdx
addq %rax, %rdx
xorl %ecx, %ecx
testq $NRW_WP, %rax
cmovz %rcx, %rsi
orq %rsi, %rdx
LOCK
cmpxchgq %rdx, -4(%rdi)
jnz .Lagain2
movl %fs:TID, %eax
movl %eax, WRITER(%rdi)
xorl %eax, %eax
ret
.Lovfl: movl $EAGAIN, %eax
ret
.Ldeadlk:
movl $EDEADLK, %eax
ret
#if 0
pushq %r12
cfi_adjust_cfa_offset(8)
cfi_rel_offset(%r12, 0)
@ -263,5 +366,6 @@ pthread_rwlock_timedwrlock:
19: movl $EINVAL, %edx
jmp 9b
#endif
cfi_endproc
.size pthread_rwlock_timedwrlock,.-pthread_rwlock_timedwrlock

92
nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_unlock.S
View File

@ -30,6 +30,97 @@
.align 16
__pthread_rwlock_unlock:
cfi_startproc
movq NRW_WORD(%rdi), %rax
movq $NRW_WL, %rdx
testq %rdx, %rax
jnz .Lunlock_writer
.Lagain:
movq $-NRW_RC, %rdx
addq %rax, %rdx
movq $NRW_RC_MASK, %rcx
testq %rcx, %rdx
jz .Llast_reader
1: LOCK
cmpxchgq %rdx, NRW_WORD(%rdi)
jnz .Lagain
xorl %eax, %eax
ret
.Llast_reader:
movq $NRW_WW_MASK, %rcx
testq %rax, %rcx
jz 1b
movq $NRW_AR, %rcx
xorl %esi, %esi
testq $NRW_WP, %rax
cmovz %esi, %ecx
orq %rcx, %rdx
LOCK
cmpxchgq %rdx, NRW_WORD(%rdi)
jnz .Lagain
.Lwake_writer:
movl $1, %edx
movl $NRW_W_WAKEUP, %r9d
.Lwake: movl $(FUTEX_WAKE_BITSET|FUTEX_PRIVATE_FLAG), %esi
xorl PSHARED(%rdi), %esi
leaq NRW_WORD(%rdi), %rdi
movl $__NR_futex, %eax
syscall
.Lout: xorl %eax, %eax
ret
.Lunlock_writer:
movq %rax, %rdx
movq $NRW_WW_MASK, %rcx
testq %rcx, %rax
jz .Lno_writers
movq $NRW_RC_MASK, %rcx
testq %rcx, %rax
jz 2f
testq $NRW_WP, %rax
jz .Lwake_readers
2: movq $~NRW_WL, %rcx
andq %rcx, %rdx
LOCK
cmpxchgq %rdx, NRW_WORD(%rdi)
jnz .Lunlock_writer
jmp .Lwake_writer
.Lno_writers:
movq $~(NRW_WL|NRW_AR), %rcx
andq %rcx, %rdx
LOCK
cmpxchgq %rdx, NRW_WORD(%rdi)
jnz .Lunlock_writer
movq $(NRW_RW_MASK|NRW_RC_MASK), %rcx
testq %rcx, %rax
jz .Lout
movl $0x7fffffff, %edx
movl $NRW_R_WAKEUP, %r9d
jmp .Lwake
.Lwake_readers:
movq $~NRW_WL, %rcx
andq %rcx, %rdx
LOCK
cmpxchgq %rdx, NRW_WORD(%rdi)
jnz .Lunlock_writer
movl $0x7fffffff, %edx
movl $NRW_R_WAKEUP, %r9d
jmp .Lwake
#if 0
/* Get the lock. */
movl $1, %esi
xorl %eax, %eax
@ -120,6 +211,7 @@ __pthread_rwlock_unlock:
#endif
callq __lll_unlock_wake
jmp 8b
#endif
cfi_endproc
.size __pthread_rwlock_unlock,.-__pthread_rwlock_unlock

89
nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S
View File

@ -31,6 +31,94 @@
.align 16
__pthread_rwlock_wrlock:
cfi_startproc
movq NRW_WORD(%rdi), %rax
.Lagain:
movq $(NRW_WW_MASK|NRW_WL|NRW_RC_MASK), %rdx
testq %rdx, %rax
jnz .Lwait
// XXX Probably make AR a don't-care for !WP. Unconditionally set it
movq $(NRW_AR|NRW_WL), %rdx
movq $NRW_WL, %rcx
testq $NRW_WP, %rax
cmovz %rcx, %rdx
orq %rax, %rdx
LOCK
cmpxchgq %rdx, NRW_WORD(%rdi)
jnz .Lagain
movl %fs:TID, %eax
movl %eax, WRITER(%rdi)
xorl %eax, %eax
ret
.Lwait: movq $NRW_WL, %rcx
testq %rcx, %rax
jz 1f
movl %fs:TID, %eax
cmpl %eax, WRITER(%rdi)
je .Ldeadlk
1: leaq NRW_WORD+4(%rdi), %rdi
movq $NRW_WW, %rdx
movq $NRW_WW_MASK, %rcx
addq %rax, %rdx
testq %rcx, %rdx
jz .Lovfl
LOCK
cmpxchgq %rdx, -4(%rdi)
jnz .Lagain
xorq %r10, %r10
movl $NRW_W_WAKEUP, %r9d
.Lwait2:
movl $(FUTEX_WAIT_BITSET|FUTEX_PRIVATE_FLAG), %esi
movl $__NR_futex, %eax
xorl PSHARED-(NRW_WORD+4)(%rdi), %esi
syscall
movq -4(%rdi), %rax
.Lagain2:
movq $(NRW_WL|NRW_RC_MASK), %rdx
movq $(NRW_WL|NRW_AR), %rcx
testq %rdx, %rax
movq $NRW_AR, %rsi
setz %cl
andq %rax, %rcx
cmpq %rsi, %rcx
sete %cl
orb %dl, %cl
jz .Lwait2
movq $-NRW_WW, %rdx
addq %rax, %rdx
xorl %ecx, %ecx
testq $NRW_WP, %rax
cmovz %rcx, %rsi
orq %rsi, %rdx
LOCK
cmpxchgq %rdx, -4(%rdi)
jnz .Lagain2
movl %fs:TID, %eax
movl %eax, WRITER(%rdi)
xorl %eax, %eax
ret
.Lovfl: movl $EAGAIN, %eax
ret
.Ldeadlk:
movl $EDEADLK, %eax
ret
#if 0
xorq %r10, %r10
/* Get the lock. */
@ -156,6 +244,7 @@ __pthread_rwlock_wrlock:
subq $MUTEX, %rdi
#endif
jmp 13b
#endif
cfi_endproc
.size __pthread_rwlock_wrlock,.-__pthread_rwlock_wrlock

15
sysdeps/powerpc/powerpc32/__longjmp-common.S
View File

@ -33,6 +33,13 @@ ENTRY (BP_SYM (__longjmp))
#if defined PTR_DEMANGLE || defined CHECK_SP
lwz r24,(JB_GPR1*4)(r3)
# ifdef CHECK_SP
# ifdef PTR_DEMANGLE
PTR_DEMANGLE3 (r24, r24, r25)
# endif
CHECK_SP (r24)
mr r1,r24
# endif
#else
lwz r1,(JB_GPR1*4)(r3)
#endif
@ -45,16 +52,10 @@ ENTRY (BP_SYM (__longjmp))
lwz r19,((JB_GPRS+5)*4)(r3)
lwz r20,((JB_GPRS+6)*4)(r3)
#ifdef PTR_DEMANGLE
# ifdef CHECK_SP
PTR_DEMANGLE3 (r24, r24, r25)
# else
# ifndef CHECK_SP
PTR_DEMANGLE3 (r1, r24, r25)
# endif
PTR_DEMANGLE2 (r0, r25)
#endif
#ifdef CHECK_SP
CHECK_SP (r24)
mr r1,r24
#endif
mtlr r0
lwz r21,((JB_GPRS+7)*4)(r3)

15
sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S
View File

@ -116,6 +116,13 @@ L(no_vmx):
#endif
#if defined PTR_DEMANGLE || defined CHECK_SP
lwz r24,(JB_GPR1*4)(r3)
# ifdef CHECK_SP
# ifdef PTR_DEMANGLE
PTR_DEMANGLE3 (r24, r24, r25)
# endif
CHECK_SP (r24)
mr r1,r24
# endif
#else
lwz r1,(JB_GPR1*4)(r3)
#endif
@ -135,16 +142,10 @@ L(no_vmx):
lwz r20,((JB_GPRS+6)*4)(r3)
lfd fp20,((JB_FPRS+6*2)*4)(r3)
#ifdef PTR_DEMANGLE
# ifdef CHECK_SP
PTR_DEMANGLE3 (r24, r24, r25)
# else
# ifndef CHECK_SP
PTR_DEMANGLE3 (r1, r24, r25)
# endif
PTR_DEMANGLE2 (r0, r25)
#endif
#ifdef CHECK_SP
CHECK_SP (r24)
mr r1,r24
#endif
mtlr r0
lwz r21,((JB_GPRS+7)*4)(r3)

31
sysdeps/powerpc/powerpc32/____longjmp_chk.S → sysdeps/unix/sysv/linux/powerpc/powerpc32/____longjmp_chk.S
View File

@ -19,7 +19,8 @@
#include <sysdep.h>
#include <rtld-global-offsets.h>
.section .rodata.str1.1,"aMS",@progbits,1
.section .rodata.str1.4,"aMS",@progbits,1
.align 2
.LC0:
.string "longjmp causes uninitialized stack frame"
.text
@ -49,8 +50,36 @@
#define CHECK_SP(reg) \
cmplw reg, r1; \
bge+ .Lok; \
mflr r0; \
stwu r1,-32(r1); \
cfi_remember_state; \
cfi_adjust_cfa_offset (32); \
stw r0,36(r1); \
cfi_offset (lr, 4); \
mr r31,r3; \
mr r30,r4; \
li r3,0; \
addi r4,r1,8; \
li r0,__NR_sigaltstack; \
sc; \
/* Without working sigaltstack we cannot perform the test. */ \
bso .Lok2; \
lwz r0,12(r1); \
andi. r3,r0,1; \
beq .Lfail; \
lwz r0,16(r1); \
lwz r3,8(r1); \
add r3,r3,r0; \
sub r3,r3,reg; \
cmplw r3,r0; \
bge+ .Lok2; \
.Lfail: \
LOAD_ARG; \
bl HIDDEN_JUMPTARGET (__fortify_fail); \
.Lok2: \
mr r3,r31; \
mr r4,r30; \
cfi_restore_state; \
.Lok:
#include <__longjmp-common.S>

32
sysdeps/powerpc/powerpc64/____longjmp_chk.S → sysdeps/unix/sysv/linux/powerpc/powerpc64/____longjmp_chk.S
View File

@ -19,7 +19,8 @@
#include <sysdep.h>
#include <rtld-global-offsets.h>
.section .rodata.str1.1,"aMS",@progbits,1
.section .rodata.str1.8,"aMS",@progbits,1
.align 3
.LC0:
.string "longjmp causes uninitialized stack frame"
.section .toc,"aw"
@ -32,8 +33,37 @@
#define CHECK_SP(reg) \
cmpld reg, r1; \
bge+ .Lok; \
mflr r0; \
std r0,16(r1); \
mr r31,r3; \
mr r30,r4; \
stdu r1,-144(r1); \
cfi_remember_state; \
cfi_adjust_cfa_offset (144); \
cfi_offset (lr, 16); \
li r3,0; \
addi r4,r1,112; \
li r0,__NR_sigaltstack; \
sc; \
/* Without working sigaltstack we cannot perform the test. */ \
bso .Lok2; \
lwz r0,112+8(r1); \
andi. r4,r0,1; \
beq .Lfail; \
ld r0,112+16(r1); \
ld r4,112(r1); \
add r4,r4,r0; \
sub r3,r3,reg; \
cmpld r3,r0; \
bge+ .Lok2; \
.Lfail: \
ld r3,.LC1@toc(2); \
bl HIDDEN_JUMPTARGET (__fortify_fail); \
nop; \
.Lok2: \
mr r3,r31; \
mr r4,r30; \
cfi_restore_state; \
.Lok:
#include <__longjmp-common.S>