projects / binutils.git / blame
| Commit | Line | Data |
|---|---|---|
| 2fd481e1 | 1 | /* |
| 4c38e0a4 | 2 | Copyright 2009, 2010 Free Software Foundation, Inc. |
| 2fd481e1 PP |
3 | |
| 4 | This program is free software; you can redistribute it and/or modify | |
| 5 | it under the terms of the GNU General Public License as published by | |
| 6 | the Free Software Foundation; either version 3 of the License, or | |
| 7 | (at your option) any later version. | |
| 8 | ||
| 9 | This program is distributed in the hope that it will be useful, | |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 | GNU General Public License for more details. | |
| 13 | ||
| 14 | You should have received a copy of the GNU General Public License | |
| 15 | along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 16 | */ | |
| 17 | ||
| 18 | /* Compile with "gcc -nostdlib dw2-restore.S" */ | |
| 19 | ||
| 20 | .text | |
| 21 | .globl _start | |
| 22 | .func _start | |
| 23 | _start: call foo | |
| 24 | mov $0,%rax | |
| 25 | ret | |
| 26 | .endfunc | |
| 27 | ||
| 28 | .func foo | |
| 29 | foo: .cfi_startproc | |
| 30 | push %rbp | |
| 31 | .cfi_adjust_cfa_offset 8 | |
| 32 | mov %rsp,%rbp | |
| 33 | .cfi_def_cfa_register %rbp | |
| 34 | ||
| 35 | .cfi_remember_state | |
| 36 | jmp 2f | |
| 37 | ||
| 38 | 1: mov %rbp,%rsp | |
| 39 | .cfi_restore %rbp | |
| 40 | pop %rbp | |
| 41 | .cfi_adjust_cfa_offset -8 | |
| 42 | .cfi_def_cfa_register %rsp | |
| 43 | ret | |
| 44 | ||
| 45 | .cfi_restore_state | |
| 46 | 2: movq $0,%rax | |
| 47 | movq $0,(%rax) /* crash here */ | |
| 48 | jmp 1b | |
| 49 | .cfi_endproc | |
| 50 | .endfunc |