gdb/testsuite/gdb.base/call-sc.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2004-2019 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 */
  19
  20 /* Useful abreviations.  */
  21 typedef void t;
  22 typedef char tc;
  23 typedef short ts;
  24 typedef int ti;
  25 typedef long tl;
  26 typedef long long tll;
  27 typedef float tf;
  28 typedef double td;
  29 typedef long double tld;
  30 typedef enum { e = '1' } te;
  31
  32 /* Force the type of each field.  */
  33 #ifndef T
  34 typedef t T;
  35 #endif
  36
  37 T foo = '1', L;
  38
  39 T fun()
  40 {
  41   return foo;
  42 }
  43
  44 void Fun(T foo)
  45 {
  46   L = foo;
  47 }
  48
  49 void zed ()
  50 {
  51   L = 'Z';
  52 }
  53
  54 int main()
  55 {
  56   int i;
  57
  58   Fun(foo);
  59
  60   /* An infinite loop that first clears all the variables and then
  61      calls the function.  This "hack" is to make re-testing easier -
  62      "advance fun" is guaranteed to have always been preceded by a
  63      global variable clearing zed call.  */
  64
  65   zed ();
  66   while (1)
  67     {
  68       L = fun ();
  69       zed ();
  70     }
  71
  72   return 0;
  73 }