blob: d727098a6f139b2a5cb26aa8e62d96bbbd85a131 [file] [log] [blame]
/* This testcase is part of GDB, the GNU debugger.
Copyright 2020-2021 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 <http://www.gnu.org/licenses/>. */
/* This file implements simple Linux syscall wrappers, to be used by tests that
need to know exactly where the syscall instructions are. */
#include <asm/unistd.h>
/* int my_execve (const char *file, char *argv[], char *envp[]); */
.global my_execve
my_execve:
#if defined(__x86_64__)
mov $__NR_execve, %rax
/* rdi, rsi and rdx already contain the right arguments. */
my_execve_syscall:
syscall
ret
#elif defined(__i386__)
mov $__NR_execve, %eax
mov 4(%esp), %ebx
mov 8(%esp), %ecx
mov 12(%esp), %edx
my_execve_syscall:
int $0x80
ret
#elif defined(__aarch64__)
mov x8, #__NR_execve
/* x0, x1 and x2 already contain the right arguments. */
my_execve_syscall:
svc #0
#else
# error "Unsupported architecture"
#endif