diff options
Diffstat (limited to 'sysdeps/i386/elf/bsd-setjmp.S')
| -rw-r--r-- | sysdeps/i386/elf/bsd-setjmp.S | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/sysdeps/i386/elf/bsd-setjmp.S b/sysdeps/i386/elf/bsd-setjmp.S deleted file mode 100644 index 72a85b18e1..0000000000 --- a/sysdeps/i386/elf/bsd-setjmp.S +++ /dev/null @@ -1,78 +0,0 @@ -/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'. i386 version. - Copyright (C) 1995-1997,2000,2001,2002,2003 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 - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <sysdep.h> -#define _ASM -#define _SETJMP_H -#include <bits/setjmp.h> -#include "bp-sym.h" -#include "bp-asm.h" - -#define PARMS LINKAGE /* no space for saved regs */ -#define JMPBUF PARMS -#define SIGMSK JMPBUF+PTR_SIZE - -ENTRY (BP_SYM (setjmp)) - /* Note that we have to use a non-exported symbol in the next - jump since otherwise gas will emit it as a jump through the - PLT which is what we cannot use here. */ - ENTER - - movl JMPBUF(%esp), %eax - CHECK_BOUNDS_BOTH_WIDE (%eax, JMPBUF(%esp), $JB_SIZE) - - /* Save registers. */ - movl %ebx, (JB_BX*4)(%eax) - movl %esi, (JB_SI*4)(%eax) - movl %edi, (JB_DI*4)(%eax) - leal JMPBUF(%esp), %ecx /* Save SP as it will be after we return. */ - movl %ecx, (JB_SP*4)(%eax) - movl PCOFF(%esp), %ecx /* Save PC we are returning to now. */ - movl %ecx, (JB_PC*4)(%eax) - LEAVE /* pop frame pointer to prepare for tail-call. */ - movl %ebp, (JB_BP*4)(%eax) /* Save caller's frame pointer. */ - - /* Call __sigjmp_save. */ - pushl $1 - pushl 8(%esp) -#ifdef PIC - /* We cannot use the PLT, because it requires that %ebx be set, but - we can't save and restore our caller's value. Instead, we do an - indirect jump through the GOT, using for the temporary register - %ecx, which is call-clobbered. */ - call __i686.get_pc_thunk.cx - addl $_GLOBAL_OFFSET_TABLE_, %ecx - leal C_SYMBOL_NAME (BP_SYM (__sigjmp_save)@GOTOFF)(%ecx), %ecx - call *%ecx -#else - call BP_SYM (__sigjmp_save) -#endif - popl %ecx - popl %edx - ret -END (BP_SYM (setjmp)) - - .section .gnu.linkonce.t.__i686.get_pc_thunk.cx,"ax",@progbits - .globl __i686.get_pc_thunk.cx - .hidden __i686.get_pc_thunk.cx - .type __i686.get_pc_thunk.cx,@function -__i686.get_pc_thunk.cx: - movl (%esp), %ecx - ret - .size __i686.get_pc_thunk.cx, . - __i686.get_pc_thunk.cx |