binutils-gdb/gdbsupport/search.h
Tom Tromey 4a72de7366 Move simple_search_memory to gdbsupport/search.cc
This moves the simple_search_memory function to a new file,
gdbsupport/search.cc.  The API is slightly changed to make it more
general.  This generality is useful for wiring it to gdbserver, and
also for unit testing.

gdb/ChangeLog
2020-10-07  Tom Tromey  <tromey@adacore.com>

	* target.h (simple_search_memory): Don't declare.
	* target.c (simple_search_memory): Move to gdbsupport.
	(default_search_memory): Update.
	* remote.c (remote_target::search_memory): Update.

gdbsupport/ChangeLog
2020-10-07  Tom Tromey  <tromey@adacore.com>

	* Makefile.in: Rebuild.
	* Makefile.am (libgdbsupport_a_SOURCES): Add search.cc.
	* search.h: New file.
	* search.cc: New file.
2020-10-07 12:07:55 -06:00

43 lines
1.5 KiB
C

/* Copyright (C) 2020 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef COMMON_SEARCH_H
#define COMMON_SEARCH_H
#include "gdbsupport/function-view.h"
/* This is needed by the unit test, so appears here. */
#define SEARCH_CHUNK_SIZE 16000
/* The type of a callback function that can be used to read memory.
Note that target_read_memory is not used here, because gdbserver
wants to be able to examine trace data when searching, and
target_read_memory does not do this. */
typedef bool target_read_memory_ftype (CORE_ADDR, gdb_byte *, size_t);
/* Utility implementation of searching memory. */
extern int simple_search_memory
(gdb::function_view<target_read_memory_ftype> read_memory,
CORE_ADDR start_addr,
ULONGEST search_space_len,
const gdb_byte *pattern,
ULONGEST pattern_len,
CORE_ADDR *found_addrp);
#endif /* COMMON_SEARCH_H */