49 lines
1.2 KiB
ArmAsm
49 lines
1.2 KiB
ArmAsm
/*
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Copyright 2009-2015 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* Compile with "gcc -nostdlib dw2-restore.S" */
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.text
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.globl _start
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.func _start
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_start: call foo
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mov $0,%rax
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ret
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.endfunc
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.func foo
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foo: .cfi_startproc
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push %rbp
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.cfi_adjust_cfa_offset 8
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mov %rsp,%rbp
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.cfi_def_cfa_register %rbp
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.cfi_remember_state
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jmp 2f
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1: mov %rbp,%rsp
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.cfi_restore %rbp
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pop %rbp
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.cfi_adjust_cfa_offset -8
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.cfi_def_cfa_register %rsp
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ret
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.cfi_restore_state
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2: movq $0,%rax
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movq $0,(%rax) /* crash here */
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jmp 1b
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.cfi_endproc
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.endfunc
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