gdb/testsuite/gdb.base/find.c

   1 /* Testcase for the find command.
   2    This testcase is part of GDB, the GNU debugger.
   3
   4    Copyright 2008-2020 Free Software Foundation, Inc.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18
  19    Please email any bugs, comments, and/or additions to this file to:
  20    bug-gdb@gnu.org  */
  21
  22 #include <stdlib.h>
  23 #include <stdint.h>
  24
  25 /* According to C99 <stdint.h> has to provide these identifiers as
  26    types, but is also free to define macros shadowing the typedefs.
  27    This is the case with some C library implementations.  Undefine
  28    them to make sure the types are used and included in debug output.  */
  29 #undef int8_t
  30 #undef int16_t
  31 #undef int32_t
  32 #undef int64_t
  33
  34 #define CHUNK_SIZE 16000 /* same as findcmd.c's */
  35 #define BUF_SIZE (2 * CHUNK_SIZE) /* at least two chunks */
  36
  37 static int8_t int8_search_buf[100];
  38 static int16_t int16_search_buf[100];
  39 static int32_t int32_search_buf[100];
  40 static int64_t int64_search_buf[100];
  41
  42 static char *search_buf;
  43 static int search_buf_size;
  44
  45 static int x;
  46
  47 static void
  48 stop_here ()
  49 {
  50   x = 1; // stop here
  51 }
  52
  53 static void
  54 init_bufs ()
  55 {
  56   search_buf_size = BUF_SIZE;
  57   search_buf = malloc (search_buf_size);
  58   if (search_buf == NULL)
  59     exit (1);
  60   memset (search_buf, 'x', search_buf_size);
  61 }
  62
  63 int
  64 main ()
  65 {
  66   init_bufs ();
  67
  68   stop_here ();
  69
  70   /* Reference variables.  */
  71   x = int8_search_buf[0];
  72   x = int16_search_buf[0];
  73   x = int32_search_buf[0];
  74   x = int64_search_buf[0];
  75
  76   return 0;
  77 }