bsd-setjmp.s
来自「它通过提供glibc兼容使得应用程序移植到较小的c 库时相当得容易. 它能够应用」· S 代码 · 共 41 行
S
41 行
/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'. PowerPC version. Copyright (C) 1994, 1997, 1999, 2000 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. *//* This just does a tail-call to `__sigsetjmp (ARG, 1)'. We cannot do it in C because it must be a tail-call, so frame-unwinding in setjmp doesn't clobber the state restored by longjmp. */#include "ppc_asm.h".globl __setjmp;.type __setjmp, @function;.align 2;__setjmp: li r4,1 /* Set second argument to 1. */#ifdef __PIC__ b __sigsetjmp@plt#else b __sigsetjmp#endif.size __setjmp,.-__setjmp.globl setjmp;.set setjmp,__setjmp
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