gdb/testsuite/gdb.python/py-finish-breakpoint.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2011-2020 Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see  <http://www.gnu.org/licenses/>.  */
  17
  18 #include <setjmp.h>
  19 #include <stdlib.h>
  20 #include <string.h>
  21 #include <unistd.h>
  22
  23 /* Defined in py-events-shlib.h.  */
  24 extern void do_nothing (void);
  25
  26 int increase_1 (int *a)
  27 {
  28   *a += 1;
  29   return -5;
  30 }
  31
  32 void increase (int *a)
  33 {
  34   increase_1 (a);
  35 }
  36
  37 int
  38 test_1 (int i, int j)
  39 {
  40   return i == j;
  41 }
  42
  43 int
  44 test (int i, int j)
  45 {
  46   return test_1 (i, j);
  47 }
  48
  49 int
  50 call_longjmp_1 (jmp_buf *buf)
  51 {
  52   longjmp (*buf, 1);
  53 }
  54
  55 int
  56 call_longjmp (jmp_buf *buf)
  57 {
  58   call_longjmp_1 (buf);
  59 }
  60
  61 void
  62 test_exec_exit (const char *self_exec)
  63 {
  64   if (self_exec == NULL)
  65     exit (0);
  66   else
  67     execl (self_exec, self_exec, "exit", (char *)0);
  68 }
  69
  70 int main (int argc, char *argv[])
  71 {
  72   jmp_buf env;
  73   int foo = 5;
  74   int bar = 42;
  75   int i, j;
  76
  77   if (argc == 2 && strcmp (argv[1], "exit") == 0)
  78     return 0;
  79
  80   do_nothing ();
  81
  82   i = 0;
  83   /* Break at increase.  */
  84   increase (&i);
  85   increase (&i);
  86   increase (&i);
  87
  88   for (i = 0; i < 10; i++)
  89     {
  90       j += 1; /* Condition Break.  */
  91     }
  92
  93   if (setjmp (env) == 0) /* longjmp caught */
  94     {
  95       call_longjmp (&env);
  96     }
  97   else
  98     j += 1; /* after longjmp.  */
  99
 100   test_exec_exit (argv[0]);
 101
 102   return j; /* Break at end.  */
 103 }