gcc/testsuite/gcc.dg/guality/pr25967-2.c

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