gdb/

* mi/mi-main.c (mi_cmd_data_write_memory): Call
	write_memory_with_notification instead of write_memory.
	(mi_cmd_data_write_memory_bytes): Call write_memory_with_notification
	instead of target_write_memory.

gdb/testsuite/
	* gdb.mi/pr11022.exp: New.
	* gdb.mi/pr11022.c: New.  Copied from gdb.base/.

gdb/ChangeLog

@@ -1,3 +1,10 @@
+2012-09-28  Yao Qi  <yao@codesourcery.com>
+
+	* mi/mi-main.c (mi_cmd_data_write_memory): Call
+	write_memory_with_notification instead of write_memory.
+	(mi_cmd_data_write_memory_bytes): Call write_memory_with_notification
+	instead of target_write_memory.
+
 2012-09-28  Yao Qi  <yao@codesourcery.com>
 
 	* mi/mi-main.c (mi_cmd_data_write_memory_bytes): Emit error

gdb/mi/mi-main.c

@@ -1648,7 +1648,7 @@ mi_cmd_data_write_memory (char *command, char **argv, int argc)
   old_chain = make_cleanup (xfree, buffer);
   store_signed_integer (buffer, word_size, byte_order, value);
   /* Write it down to memory.  */
-  write_memory (addr, buffer, word_size);
+  write_memory_with_notification (addr, buffer, word_size);
   /* Free the buffer.  */
   do_cleanups (old_chain);
 }
@@ -1688,9 +1688,7 @@ mi_cmd_data_write_memory_bytes (char *command, char **argv, int argc)
       data[i] = (gdb_byte) x;
     }
 
-  r = target_write_memory (addr, data, len);
+  write_memory_with_notification (addr, data, len);
-  if (r != 0)
-    error (_("Could not write memory"));
 
   do_cleanups (back_to);
 }

gdb/testsuite/ChangeLog

@@ -1,3 +1,8 @@
+2012-09-28  Yao Qi  <yao@codesourcery.com>
+
+	* gdb.mi/pr11022.exp: New.
+	* gdb.mi/pr11022.c: New.  Copied from gdb.base/.
+
 2012-09-27  Tom Tromey  <tromey@redhat.com>
 
 	* gdb.cp/derivation.exp: Add regression test.

gdb/testsuite/gdb.mi/pr11022.c

@@ -0,0 +1,32 @@
+/* This test is part of GDB, the GNU debugger.
+
+   Copyright 2009-2012 Free Software Foundation, Inc.
+
+   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/>.
+   */
+
+int x;
+
+int
+main ()
+{
+  int i, j;
+
+  for (i = 0; i < 500; ++i) {
+    j = 0;  /* break here */
+    x = 42;
+    j = i;  /* expect HW watchpoint stop */
+  }
+  return 0;
+}

gdb/testsuite/gdb.mi/pr11022.exp

@@ -0,0 +1,67 @@
+# Copyright 2009-2012 Free Software Foundation, Inc.
+
+# 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/>.
+
+if {[skip_hw_watchpoint_tests]} {
+    return 0
+}
+
+load_lib mi-support.exp
+set MIFLAGS "-i=mi"
+
+standard_testfile .c
+
+if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
+     untested pr11022.exp
+     return
+}
+
+proc test_memory_changed_observer { mi_command } { with_test_prefix "${mi_command}" {
+    global srcfile
+
+    if [mi_gdb_start] {
+	return
+    }
+    mi_run_to_main
+
+    set line_number [gdb_get_line_number "break here"]
+    mi_gdb_test "-break-insert ${srcfile}:${line_number}" \
+	{\^done,bkpt=.number="2",type="breakpoint".*\}} \
+	"set breakpoint"
+
+    mi_gdb_test "watch x" ".*" "set watchpoint"
+
+    mi_execute_to "exec-continue" "breakpoint-hit" "main" "" ".*" ".*" \
+	{ "" "disp=\"keep\"" } "breakpoint hit"
+
+    mi_execute_to "exec-continue" "watchpoint-trigger" "main" "" ".*" ".*" \
+	{ "" "wpt=\{number=\"3\",exp=\"x\"\},value=\{old=\"0\",new=\"42\"\}" } \
+	"watchpoint hit"
+
+    mi_execute_to "exec-continue" "breakpoint-hit" "main" "" ".*" ".*" \
+	{ "" "disp=\"keep\"" } "breakpoint hit 2"
+
+    mi_gdb_test "-${mi_command}" {\^done} "set x"
+
+    mi_execute_to "exec-continue" "watchpoint-trigger" "main" "" ".*" ".*" \
+	{ "" "wpt=\{number=\"3\",exp=\"x\"\},value=\{old=\"1\",new=\"42\"\}" } \
+	"watchpoint hit 2"
+
+    mi_gdb_exit
+}}
+
+test_memory_changed_observer "data-write-memory-bytes &x \"01\""
+# We want to trigger a target memory write here, so the word size (4 or 8)
+# is not that important.
+test_memory_changed_observer "data-write-memory &x x 4 \"01\""