/* Copyright 2009-2024 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /* Compile with "gcc -nostdlib dw2-restore.S" */ .text .globl _start .func _start _start: call foo mov $0,%rax ret .endfunc .func foo foo: .cfi_startproc push %rbp .cfi_adjust_cfa_offset 8 mov %rsp,%rbp .cfi_def_cfa_register %rbp .cfi_remember_state jmp 2f 1: mov %rbp,%rsp .cfi_restore %rbp pop %rbp .cfi_adjust_cfa_offset -8 .cfi_def_cfa_register %rsp ret .cfi_restore_state 2: movq $0,%rax movq $0,(%rax) /* crash here */ jmp 1b .cfi_endproc .endfunc .section .note.GNU-stack,"",@progbits