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[/] [or1k/] [trunk/] [linux/] [uClibc/] [libc/] [sysdeps/] [linux/] [i386/] [bsd-_setjmp.S] - Rev 1765
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/* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'. i386 version.Copyright (C) 1994,1995,1996,1997,2000,2001 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/ormodify it under the terms of the GNU Lesser General PublicLicense as published by the Free Software Foundation; eitherversion 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 ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNULesser General Public License for more details.You should have received a copy of the GNU Lesser General PublicLicense along with the GNU C Library; if not, write to the FreeSoftware Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA02111-1307 USA. *//* This just does a tail-call to `__sigsetjmp (ARG, 0)'.We cannot do it in C because it must be a tail-call, so frame-unwindingin setjmp doesn't clobber the state restored by longjmp. */#define _ASM#define _SETJMP_H#include <bits/setjmp.h>.globl _setjmp;.type _setjmp,@function.align 4;_setjmp:xorl %eax, %eaxmovl 4 (%esp), %edx/* Save registers. */movl %ebx, (JB_BX*4)(%edx)movl %esi, (JB_SI*4)(%edx)movl %edi, (JB_DI*4)(%edx)leal 4 (%esp), %ecx /* Save SP as it will be after we return. */movl %ecx, (JB_SP*4)(%edx)movl 0 (%esp), %ecx /* Save PC we are returning to now. */movl %ecx, (JB_PC*4)(%edx)movl %ebp, (JB_BP*4)(%edx) /* Save caller's frame pointer. */movl %eax, JB_SIZE(%edx) /* No signal mask set. */ret.size _setjmp,.-_setjmp;
