gdbsupport/search.h

   1 /* Copyright (C) 2020 Free Software Foundation, Inc.
   2
   3    This file is part of GDB.
   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 #ifndef COMMON_SEARCH_H
  19 #define COMMON_SEARCH_H
  20
  21 #include "gdbsupport/function-view.h"
  22
  23 /* This is needed by the unit test, so appears here.  */
  24 #define SEARCH_CHUNK_SIZE 16000
  25
  26 /* The type of a callback function that can be used to read memory.
  27    Note that target_read_memory is not used here, because gdbserver
  28    wants to be able to examine trace data when searching, and
  29    target_read_memory does not do this.  */
  30
  31 typedef bool target_read_memory_ftype (CORE_ADDR, gdb_byte *, size_t);
  32
  33 /* Utility implementation of searching memory.  */
  34 extern int simple_search_memory
  35   (gdb::function_view<target_read_memory_ftype> read_memory,
  36    CORE_ADDR start_addr,
  37    ULONGEST search_space_len,
  38    const gdb_byte *pattern,
  39    ULONGEST pattern_len,
  40    CORE_ADDR *found_addrp);
  41
  42 #endif /* COMMON_SEARCH_H */