yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame^] | 1 | /* BSD `setjmp' entry point to `sigsetjmp (..., 1)'. PowerPC version. |
| 2 | Copyright (C) 1994, 1997, 1999, 2000 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, write to the Free |
| 17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 18 | 02111-1307 USA. */ |
| 19 | |
| 20 | /* This just does a tail-call to `__sigsetjmp (ARG, 1)'. |
| 21 | We cannot do it in C because it must be a tail-call, so frame-unwinding |
| 22 | in setjmp doesn't clobber the state restored by longjmp. */ |
| 23 | |
| 24 | #include "ppc_asm.h" |
| 25 | |
| 26 | .globl __setjmp; |
| 27 | .type __setjmp, @function; |
| 28 | .align 2; |
| 29 | |
| 30 | __setjmp: |
| 31 | li r4,1 /* Set second argument to 1. */ |
| 32 | |
| 33 | b __sigsetjmp@local |
| 34 | |
| 35 | .size __setjmp,.-__setjmp |
| 36 | |
| 37 | .globl setjmp; |
| 38 | .set setjmp,__setjmp |