New "find" command.

	* NEWS: Document find command and qSearch:memory packet.
	* Makefile.in (SFILES): Add findcmd.c.
	(COMMON_OBJS): Add findcmd.o.
	(findcmd.o): New rule.
	* findcmd.c: New file.
	* target.h (target_ops): New member to_search_memory.
	(simple_search_memory): Declare.
	(target_search_memory): Declare.
	* target.c (simple_search_memory): New fn.
	(target_search_memory): New fn.
	* remote.c (PACKET_qSearch_memory): New packet kind.
	(remote_search_memory): New fn.
	(init_remote_ops): Init to_search_memory.
	(init_extended_remote_ops): Ditto.
	(_initialize_remote): Add qSearch:memory packet config command.

	* gdbserver/server.h (decode_search_memory_packet): Declare.
	* gdbserver/remote-utils.c (decode_search_memory_packet): New fn.
	* gdbserver/server.c (handle_search_memory_1): New fn.
	(handle_search_memory): New fn.
	(handle_query): Process qSearch:memory packets.

	* doc/gdb.texinfo: Document "find" command, qSearch:memory packet.

	* testsuite/gdb.base/find.exp: New file.
	* testsuite/gdb.base/find.c: New file.

1 files changed, 18 insertions, 0 deletions

diff --git a/gdb/gdbserver/remote-utils.c b/gdb/gdbserver/remote-utils.c
index 2e049ee22a4..16d5442053f 100644
--- a/gdb/gdbserver/remote-utils.c
+++ b/gdb/gdbserver/remote-utils.c
@@ -1080,6 +1080,24 @@ decode_xfer_write (char *buf, int packet_len, char **annex, CORE_ADDR *offset,
   return 0;
 }
 
+/* Decode the parameters of a qSearch:memory packet.  */
+
+int
+decode_search_memory_packet (const char *buf, int packet_len,
+			     CORE_ADDR *start_addrp,
+			     CORE_ADDR *search_space_lenp,
+			     gdb_byte *pattern, unsigned int *pattern_lenp)
+{
+  const char *p = buf;
+
+  p = decode_address_to_semicolon (start_addrp, p);
+  p = decode_address_to_semicolon (search_space_lenp, p);
+  packet_len -= p - buf;
+  *pattern_lenp = remote_unescape_input ((const gdb_byte *) p, packet_len,
+					 pattern, packet_len);
+  return 0;
+}
+
 /* Ask GDB for the address of NAME, and return it in ADDRP if found.
    Returns 1 if the symbol is found, 0 if it is not, -1 on error.  */