gcc/testsuite/gcc.target/i386/cet-sjlj-4.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fcf-protection" } */
   3 /* { dg-final { scan-assembler-times "endbr32" 3 { target ia32 } } } */
   4 /* { dg-final { scan-assembler-times "endbr64" 3 { target { ! ia32 } } } } */
   5 /* { dg-final { scan-assembler-times "rdssp\[dq]" 2 } } */
   6 /* { dg-final { scan-assembler-times "incssp\[dq]" 2 } } */
   7
   8 /* Based on gcc.dg/setjmp-3.c.  */
   9
  10 void *buf[5];
  11
  12 extern void abort (void);
  13
  14 void
  15 raise0 (void)
  16 {
  17   __builtin_longjmp (buf, 1);
  18 }
  19
  20 __attribute__ ((noinline, noclone))
  21 static int
  22 execute (int cmd)
  23 {
  24   int last = 0;
  25
  26   if (__builtin_setjmp (buf) == 0)
  27     while (1)
  28       {
  29         last = 1;
  30         raise0 ();
  31       }
  32
  33   if (last == 0)
  34     return 0;
  35   else
  36     return cmd;
  37 }
  38
  39 int main(void)
  40 {
  41   if (execute (1) == 0)
  42     abort ();
  43
  44   return 0;
  45 }