summaryrefslogtreecommitdiff
path: root/sysdeps/x86_64
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/x86_64')
-rw-r--r--sysdeps/x86_64/__longjmp.S26
-rw-r--r--sysdeps/x86_64/bits/setjmp.h10
2 files changed, 18 insertions, 18 deletions
diff --git a/sysdeps/x86_64/__longjmp.S b/sysdeps/x86_64/__longjmp.S
index dd797e8a7b..6e21092451 100644
--- a/sysdeps/x86_64/__longjmp.S
+++ b/sysdeps/x86_64/__longjmp.S
@@ -27,33 +27,33 @@
void __longjmp (__jmp_buf env, int val). */
ENTRY(__longjmp)
/* Restore registers. */
+ movq (JB_RSP*8)(%rdi),%r8
+ movq (JB_RBP*8)(%rdi),%r9
+ movq (JB_PC*8)(%rdi),%rdx
+#ifdef PTR_DEMANGLE
+ PTR_DEMANGLE (%r8)
+ PTR_DEMANGLE (%r9)
+ PTR_DEMANGLE (%rdx)
+#endif
/* We add unwind information for the target here. */
cfi_def_cfa(%rdi, 0)
+ cfi_register(%rsp,%r8)
+ cfi_register(%rbp,%r9)
+ cfi_register(%rip,%rdx)
cfi_offset(%rbx,JB_RBX*8)
cfi_offset(%rbp,JB_RBP*8)
cfi_offset(%r12,JB_R12*8)
cfi_offset(%r13,JB_R13*8)
cfi_offset(%r14,JB_R14*8)
cfi_offset(%r15,JB_R15*8)
- cfi_offset(%rsp,JB_RSP*8)
- cfi_offset(%rip,JB_PC*8)
movq (JB_RBX*8)(%rdi),%rbx
- movq (JB_RBP*8)(%rdi),%rbp
movq (JB_R12*8)(%rdi),%r12
movq (JB_R13*8)(%rdi),%r13
movq (JB_R14*8)(%rdi),%r14
movq (JB_R15*8)(%rdi),%r15
/* Set return value for setjmp. */
- test %esi,%esi
- mov $01,%eax
- cmove %eax,%esi
mov %esi, %eax
- movq (JB_PC*8)(%rdi),%rdx
- movq (JB_RSP*8)(%rdi),%rsp
-#ifdef PTR_DEMANGLE
- PTR_DEMANGLE (%rbp)
- PTR_DEMANGLE (%rsp)
- PTR_DEMANGLE (%rdx)
-#endif
+ movq %r8,%rsp
+ movq %r9,%rbp
jmpq *%rdx
END (BP_SYM (__longjmp))
diff --git a/sysdeps/x86_64/bits/setjmp.h b/sysdeps/x86_64/bits/setjmp.h
index 96646efdda..1031d5027b 100644
--- a/sysdeps/x86_64/bits/setjmp.h
+++ b/sysdeps/x86_64/bits/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2001, 2002, 2003, 2005 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
@@ -67,11 +67,11 @@ typedef int __jmp_buf[6];
/* Test if longjmp to JMPBUF would unwind the frame
containing a local variable at ADDRESS. */
# if __WORDSIZE == 64
-# define _JMPBUF_UNWINDS(jmpbuf, address) \
- ((void *) (address) < (void *) (jmpbuf)[JB_RSP])
+# define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \
+ ((void *) (address) < (void *) demangle ((jmpbuf)[JB_RSP]))
# else
-# define _JMPBUF_UNWINDS(jmpbuf, address) \
- ((void *) (address) < (void *) (jmpbuf)[JB_SP])
+# define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \
+ ((void *) (address) < (void *) demangle ((jmpbuf)[JB_SP]))
# endif
#endif