| /* { dg-do run { target *-*-linux* *-*-gnu* } } */ |
| /* { dg-options "-O0" } */ |
| |
| #include <unistd.h> |
| #include <signal.h> |
| #include <stdlib.h> |
| |
| /* Verify that naked function traps at the end. */ |
| |
| void |
| __attribute__((naked, noinline, noclone)) |
| #ifdef __i386__ |
| __attribute__((regparm(1))) |
| #endif |
| naked (int data) |
| { |
| if (data == 0x12345678) |
| return; |
| asm ("ret"); |
| } |
| |
| void handler (int i) |
| { |
| exit (0); |
| } |
| |
| int main () |
| { |
| struct sigaction s; |
| |
| sigemptyset (&s.sa_mask); |
| s.sa_handler = handler; |
| s.sa_flags = 0; |
| sigaction (SIGILL, &s, NULL); |
| |
| naked (0x12345678); |
| |
| abort (); |
| } |
