gdb/testsuite/gdb.python/py-inferior.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <stdint.h>
   4 #include <string.h>
   5
   6 #define CHUNK_SIZE 16000 /* same as findcmd.c's */
   7 #define BUF_SIZE (2 * CHUNK_SIZE) /* at least two chunks */
   8
   9 int8_t int8_search_buf[100];
  10 int16_t int16_search_buf[100];
  11 int32_t int32_search_buf[100];
  12 int64_t int64_search_buf[100];
  13
  14 static char *search_buf;
  15 static int search_buf_size;
  16
  17
  18 int f2 (int a)
  19 {
  20   /* We use a `char[]' type below rather than the typical `char *'
  21      to make sure that `str' gets allocated on the stack.  Otherwise,
  22      the compiler may place the "hello, testsuite" string inside
  23      a read-only section, preventing us from over-writing it from GDB.  */
  24   char str[] = "hello, testsuite";
  25
  26   puts (str);   /* Break here.  */
  27
  28   return ++a;
  29 }
  30
  31 int f1 (int a, int b)
  32 {
  33   return f2(a) + b;
  34 }
  35
  36 static void
  37 init_bufs ()
  38 {
  39   search_buf_size = BUF_SIZE;
  40   search_buf = malloc (search_buf_size);
  41   if (search_buf == NULL)
  42     exit (1);
  43   memset (search_buf, 'x', search_buf_size);
  44 }
  45
  46 int main (int argc, char *argv[])
  47 {
  48   init_bufs ();
  49
  50   return f1 (1, 2);
  51 }