gcc/testsuite/gcc.target/s390/hotpatch-25.c

   1 /* Functional tests for the function hotpatching feature.  */
   2
   3 /* { dg-do compile } */
   4 /* { dg-options "-mzarch" } */
   5
   6 typedef long (*fn_t)(void);
   7
   8 __attribute__ ((hotpatch(1,2)))
   9 fn_t outer(void)
  10 {
  11   __attribute__ ((hotpatch(4,8)))
  12   long nested1(void)
  13   {
  14     __attribute__ ((hotpatch(16,32)))
  15     long nested2(void)
  16     {
  17       return 2;
  18     }
  19     return (long)(void *)nested2;
  20   }
  21
  22   return nested1;
  23 }
  24
  25 /* { dg-final { scan-assembler "pre-label.*(1 halfwords)" } } */
  26 /* { dg-final { scan-assembler "pre-label.*(4 halfwords)" } } */
  27 /* { dg-final { scan-assembler "pre-label.*(16 halfwords)" } } */
  28 /* { dg-final { scan-assembler "^\[^.\].*:\n.*post-label.*(2 halfwords).*\n\(\(.L.*:\n\)\|\(\[\[:space:\]\]*.cfi_.*\n\)\)*\[\[:space:\]\]*nopr\t" } } */
  29 /* { dg-final { scan-assembler "^\[^.\].*:\n.*post-label.*(8 halfwords).*\n\(\(.L.*:\n\)\|\(\[\[:space:\]\]*.cfi_.*\n\)\)*\[\[:space:\]\]*brcl\t0, 0" } } */
  30 /* { dg-final { scan-assembler "^\[^.\].*:\n.*post-label.*(32 halfwords).*\n\(\(.L.*:\n\)\|\(\[\[:space:\]\]*.cfi_.*\n\)\)*\[\[:space:\]\]*brcl\t0, 0" } } */
  31 /* { dg-final { scan-assembler-times "alignment for hotpatch" 3 } } */
  32 /* { dg-final { scan-assembler "nopr.*\n.*nopr.*\n.*nopr.*\n.*nopr.*\n.*nopr.*\n.*nopr.*\n.*nopr.*\n.*nopr.*\n.*nopr.*\n.*nopr.*\n.*nopr.*\n.*nopr.*\n.*nopr.*\n.*nopr.*\n.*nopr.*\n.*nopr" } } */