| /* setjmp for Nios II. |
| Copyright (C) 1991-2016 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, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <sysdep.h> |
| #include <jmpbuf-offsets.h> |
| |
| .text |
| ENTRY(setjmp) |
| movi r5, 1 |
| br __sigsetjmp |
| END(setjmp) |
| |
| ENTRY(_setjmp) |
| mov r5, zero |
| br __sigsetjmp |
| END(_setjmp) |
| libc_hidden_def (_setjmp) |
| |
| /* Save the current program position in ENV and return 0. */ |
| ENTRY(__sigsetjmp) |
| #ifdef PTR_MANGLE |
| PTR_MANGLE_GUARD (r9) |
| #endif |
| stw r16, (JB_R16*4)(r4) |
| stw r17, (JB_R17*4)(r4) |
| stw r18, (JB_R18*4)(r4) |
| stw r19, (JB_R19*4)(r4) |
| stw r20, (JB_R20*4)(r4) |
| stw r21, (JB_R21*4)(r4) |
| stw r22, (JB_R22*4)(r4) |
| stw fp, (JB_FP*4)(r4) |
| #ifdef PTR_MANGLE |
| PTR_MANGLE (r6, ra, r9) |
| PTR_MANGLE (r7, sp, r9) |
| stw r6, (JB_RA*4)(r4) |
| stw r7, (JB_SP*4)(r4) |
| #else |
| stw ra, (JB_RA*4)(r4) |
| stw sp, (JB_SP*4)(r4) |
| #endif |
| #if IS_IN (rtld) |
| /* In ld.so we never save the signal mask. */ |
| mov r2, zero |
| ret |
| #else |
| /* Save the signal mask if requested. */ |
| #if defined(__PIC__) || defined(PIC) |
| nextpc r2 |
| 1: movhi r3, %hiadj(__sigjmp_save - 1b) |
| addi r3, r3, %lo(__sigjmp_save - 1b) |
| add r2, r2, r3 |
| jmp r2 |
| #else |
| jmpi __sigjmp_save |
| #endif |
| #endif |
| END (__sigsetjmp) |
| libc_hidden_def (__sigsetjmp) |