gcc/testsuite/gcc.target/i386/interrupt-5.c

   1 /* { dg-do link } */
   2 /* { dg-options "-O -mgeneral-regs-only -mno-cld -g" } */
   3
   4 #include <stdint.h>
   5
   6 extern void link_error (void);
   7
   8 typedef unsigned int uword_t __attribute__ ((mode (__word__)));
   9
  10 struct interrupt_frame
  11 {
  12   uword_t ip;
  13   uword_t cs;
  14   uword_t flags;
  15   uword_t sp;
  16   uword_t ss;
  17 };
  18
  19 __attribute__ ((used, interrupt))
  20 void
  21 foo (struct interrupt_frame *frame, uword_t error)
  22 {
  23   void *ra = __builtin_return_address (0);
  24   if ((uintptr_t) ra != (uintptr_t) frame->ip)
  25     link_error ();
  26 }
  27
  28 int
  29 main (void)
  30 {
  31   return 0;
  32 }