diff options
Diffstat (limited to 'sysdeps/x86_64/setjmp.S')
| -rw-r--r-- | sysdeps/x86_64/setjmp.S | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/sysdeps/x86_64/setjmp.S b/sysdeps/x86_64/setjmp.S index 811ab1d913..a66b0e61e5 100644 --- a/sysdeps/x86_64/setjmp.S +++ b/sysdeps/x86_64/setjmp.S @@ -1,5 +1,5 @@ /* setjmp for x86-64. - Copyright (C) 2001, 2003 Free Software Foundation, Inc. + Copyright (C) 2001, 2003, 2005, 2006 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 @@ -18,29 +18,45 @@ 02111-1307 USA. */ #include <sysdep.h> -#define _ASM -#define _SETJMP_H -#include <bits/setjmp.h> +#include <jmpbuf-offsets.h> #include <asm-syntax.h> ENTRY (__sigsetjmp) /* Save registers. */ movq %rbx, (JB_RBX*8)(%rdi) +#ifdef PTR_MANGLE + movq %rbp, %rax + PTR_MANGLE (%rax) + movq %rax, (JB_RBP*8)(%rdi) +#else movq %rbp, (JB_RBP*8)(%rdi) +#endif movq %r12, (JB_R12*8)(%rdi) movq %r13, (JB_R13*8)(%rdi) movq %r14, (JB_R14*8)(%rdi) movq %r15, (JB_R15*8)(%rdi) leaq 8(%rsp), %rdx /* Save SP as it will be after we return. */ +#ifdef PTR_MANGLE + PTR_MANGLE (%rdx) +#endif movq %rdx, (JB_RSP*8)(%rdi) movq (%rsp), %rax /* Save PC we are returning to now. */ +#ifdef PTR_MANGLE + PTR_MANGLE (%rax) +#endif movq %rax, (JB_PC*8)(%rdi) +#if defined NOT_IN_libc && defined IS_IN_rtld + /* In ld.so we never save the signal mask. */ + xorl %eax, %eax + retq +#else /* Make a tail call to __sigjmp_save; it takes the same args. */ -#ifdef PIC +# ifdef PIC jmp C_SYMBOL_NAME (BP_SYM (__sigjmp_save))@PLT -#else +# else jmp BP_SYM (__sigjmp_save) +# endif #endif END (BP_SYM (__sigsetjmp)) hidden_def (__sigsetjmp) |