gcc/testsuite/gcc.target/i386/cet-sjlj-5.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fcf-protection" } */
   3 /* { dg-final { scan-assembler-times "endbr32" 2 { target ia32 } } } */
   4 /* { dg-final { scan-assembler-times "endbr64" 2 { target { ! ia32 } } } } */
   5 /* { dg-final { scan-assembler-times "call      _?setjmp" 1 } } */
   6 /* { dg-final { scan-assembler-times "call      longjmp" 1 } } */
   7
   8 #include <stdio.h>
   9 #include <setjmp.h>
  10
  11 jmp_buf buf;
  12 static int bar (int);
  13
  14 __attribute__ ((noinline, noclone))
  15 static int
  16 foo (int i)
  17 {
  18   int j = i * 11;
  19
  20   if (!setjmp (buf))
  21     {
  22       j += 33;
  23       printf ("After setjmp: j = %d\n", j);
  24       bar (j);
  25     }
  26
  27   return j + i;
  28 }
  29
  30 __attribute__ ((noinline, noclone))
  31 static int
  32 bar (int i)
  33 {
  34  int j = i;
  35
  36   j -= 111;
  37   printf ("In longjmp: j = %d\n", j);
  38   longjmp (buf, 1);
  39
  40   return j;
  41 }
  42
  43 int
  44 main ()
  45 {
  46   foo (10);
  47   return 0;
  48 }