gnu/dist/gdb6/gdb/testsuite/gdb.base/call-sc.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2004 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 2 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, write to the Free Software
  17    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18
  19 */
  20
  21 /* Useful abreviations.  */
  22 typedef void t;
  23 typedef char tc;
  24 typedef short ts;
  25 typedef int ti;
  26 typedef long tl;
  27 typedef long long tll;
  28 typedef float tf;
  29 typedef double td;
  30 typedef long double tld;
  31 typedef enum { e = '1' } te;
  32
  33 /* Force the type of each field.  */
  34 #ifndef T
  35 typedef t T;
  36 #endif
  37
  38 T foo = '1', L;
  39
  40 T fun()
  41 {
  42   return foo;
  43 }
  44
  45 #ifdef PROTOTYPES
  46 void Fun(T foo)
  47 #else
  48 void Fun(foo)
  49      T foo;
  50 #endif
  51 {
  52   L = foo;
  53 }
  54
  55 zed ()
  56 {
  57   L = 'Z';
  58 }
  59
  60 int main()
  61 {
  62 #ifdef usestubs
  63   set_debug_traps();
  64   breakpoint();
  65 #endif
  66   int i;
  67
  68   Fun(foo);
  69
  70   /* An infinite loop that first clears all the variables and then
  71      calls the function.  This "hack" is to make re-testing easier -
  72      "advance fun" is guaranteed to have always been preceeded by a
  73      global variable clearing zed call.  */
  74
  75   zed ();
  76   while (1)
  77     {
  78       L = fun ();
  79       zed ();
  80     }
  81
  82   return 0;
  83 }