gcc/testsuite/gcc.dg/torture/pr68037-1.c

   1 /* { dg-do run { target i?86-*-* x86_64-*-* } } */
   2 /* { dg-options "-mgeneral-regs-only" } */
   3
   4 extern void exit (int);
   5
   6 typedef unsigned int uword_t __attribute__ ((mode (__word__)));
   7
   8 #define ERROR           0x12345670
   9 #define IP              0x12345671
  10 #define CS              0x12345672
  11 #define FLAGS           0x12345673
  12 #define SP              0x12345674
  13 #define SS              0x12345675
  14
  15 #define STRING(x)       XSTRING(x)
  16 #define XSTRING(x)      #x
  17 #define ASMNAME(cname)  ASMNAME2 (__USER_LABEL_PREFIX__, cname)
  18 #define ASMNAME2(prefix, cname) XSTRING (prefix) cname
  19
  20 struct interrupt_frame
  21 {
  22   uword_t ip;
  23   uword_t cs;
  24   uword_t flags;
  25   uword_t sp;
  26   uword_t ss;
  27 };
  28
  29 __attribute__((interrupt, used))
  30 void
  31 fn (struct interrupt_frame *frame, uword_t error)
  32 {
  33   if (ERROR != error)
  34     __builtin_abort ();
  35   if (IP != frame->ip)
  36     __builtin_abort ();
  37   if (CS != frame->cs)
  38     __builtin_abort ();
  39   if (FLAGS != frame->flags)
  40     __builtin_abort ();
  41   if (SP != frame->sp)
  42     __builtin_abort ();
  43   if (SS != frame->ss)
  44     __builtin_abort ();
  45
  46   exit (0);
  47 }
  48
  49 int
  50 main ()
  51 {
  52   asm ("push    $" STRING (SS) ";               \
  53         push    $" STRING (SP) ";               \
  54         push    $" STRING (FLAGS) ";            \
  55         push    $" STRING (CS) ";               \
  56         push    $" STRING (IP) ";               \
  57         push    $" STRING (ERROR) ";            \
  58         jmp      " ASMNAME ("fn"));
  59   return 0;
  60 }