gcc/testsuite/gcc.dg/guality/pr68037-3.c

   1 /* { dg-do run { target i?86-*-* x86_64-*-* } } */
   2 /* { dg-options "-g -mgeneral-regs-only" } */
   3
   4 #include <stddef.h>
   5
   6 extern void exit (int);
   7
   8 typedef unsigned int uword_t __attribute__ ((mode (__word__)));
   9 typedef int aligned __attribute__((aligned(64)));
  10
  11 #define IP              0x12345671
  12 #define CS              0x12345672
  13 #define FLAGS           0x12345673
  14 #define SP              0x12345674
  15 #define SS              0x12345675
  16
  17 #define STRING(x)       XSTRING(x)
  18 #define XSTRING(x)      #x
  19 #define ASMNAME(cname)  ASMNAME2 (__USER_LABEL_PREFIX__, cname)
  20 #define ASMNAME2(prefix, cname) XSTRING (prefix) cname
  21
  22 struct interrupt_frame
  23 {
  24   uword_t ip;
  25   uword_t cs;
  26   uword_t flags;
  27   uword_t sp;
  28   uword_t ss;
  29 };
  30
  31 int
  32 check_int (int *i, int align)
  33 {
  34   *i = 20;
  35   if ((((ptrdiff_t) i) & (align - 1)) != 0)
  36     __builtin_abort ();
  37   return *i;
  38 }
  39
  40 __attribute__((interrupt, used))
  41 void
  42 fn (struct interrupt_frame *frame)
  43 {
  44   aligned i;
  45   if (check_int (&i, __alignof__(i)) != i)
  46     __builtin_abort ();
  47
  48   if (IP != frame->ip)          /* BREAK */
  49     __builtin_abort ();
  50   if (CS != frame->cs)
  51     __builtin_abort ();
  52   if (FLAGS != frame->flags)
  53     __builtin_abort ();
  54   if (SP != frame->sp)
  55     __builtin_abort ();
  56   if (SS != frame->ss)
  57     __builtin_abort ();
  58
  59   exit (0);
  60 }
  61
  62 int
  63 main ()
  64 {
  65   asm ("push    $" STRING (SS) ";               \
  66         push    $" STRING (SP) ";               \
  67         push    $" STRING (FLAGS) ";            \
  68         push    $" STRING (CS) ";               \
  69         push    $" STRING (IP) ";               \
  70         jmp      " ASMNAME ("fn"));
  71   return 0;
  72 }
  73
  74 /* { dg-final { gdb-test 46 "frame->ip" "0x12345671" } } */
  75 /* { dg-final { gdb-test 46 "frame->cs" "0x12345672" } } */
  76 /* { dg-final { gdb-test 46 "frame->flags" "0x12345673" } } */
  77 /* { dg-final { gdb-test 46 "frame->sp" "0x12345674" } } */
  78 /* { dg-final { gdb-test 46 "frame->ss" "0x12345675" } } */