gdb/testsuite/gdb.base/step-test.c

   1 /* Test various kinds of stepping.
   2 */
   3 int glob = 0;
   4
   5 int callee() {
   6     glob++;
   7 }
   8
   9 /* A structure which, we hope, will need to be passed using memcpy.  */
  10 struct rhomboidal {
  11   int rather_large[100];
  12 };
  13
  14 void
  15 large_struct_by_value (struct rhomboidal r)
  16 {
  17   glob += r.rather_large[42]; /* step-test.exp: arrive here 1 */
  18 }
  19
  20 int main () {
  21    int w,x,y,z;
  22    int a[10], b[10];
  23
  24    /* Test "next" and "step" */
  25    w = 0;
  26    x = 1;
  27    y = 2;
  28    z = 3;
  29    w = w + 2;
  30    x = x + 3;
  31    y = y + 4;
  32    z = z + 5;
  33
  34    /* Test that "next" goes over a call */
  35    callee(); /* OVER */
  36
  37    /* Test that "step" doesn't */
  38    callee(); /* INTO */
  39
  40    /* Test "stepi" */
  41    a[5] = a[3] - a[4];
  42    callee(); /* STEPI */
  43
  44    /* Test "nexti" */
  45    callee(); /* NEXTI */
  46
  47    y = w + z;
  48
  49    {
  50      struct rhomboidal r;
  51      memset (r.rather_large, 0, sizeof (r.rather_large));
  52      r.rather_large[42] = 10;
  53      large_struct_by_value (r);  /* step-test.exp: large struct by value */
  54    }
  55
  56    exit (0);
  57 }
  58