gdb/testsuite/gdb.compile/compile-setjmp-mod.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2014-2020 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 <stdio.h>
  20 #include <stdlib.h>
  21
  22 // Make 'done' lookup working.
  23 #pragma GCC user_expression
  24
  25 static void
  26 foo ()
  27 {
  28   jmp_buf env;
  29
  30   switch (setjmp (env))
  31     {
  32     case 2:
  33       done = 1;
  34       return;
  35     case 0:
  36       longjmp (env, 2);
  37       break;
  38     }
  39   abort ();
  40 }
  41
  42 void
  43 _gdb_expr (void)
  44 {
  45   foo ();
  46 }