gdb/

	* valarith.c (value_equal_contents): New function.
	* value.h (value_equal_contents): Declare.
	* breakpoint.c (watchpoint_check): Use value_equal_contents
	instead of value_equal.

gdb/testsuite/
	* gdb.base/watchpoint.exp (test_watchpoint_in_big_blob): New function.
	(top level): Call test_watchpoint_in_big_blob.
	* gdb.base/watchpoint.c (buf): Change size to value too big for hardware
	watchpoints.
	(func3): Write to buf.

2 files changed, 11 insertions, 1 deletions

diff --git a/gdb/testsuite/gdb.base/watchpoint.c b/gdb/testsuite/gdb.base/watchpoint.c
index bba97fa..9275d88 100644
--- a/gdb/testsuite/gdb.base/watchpoint.c
+++ b/gdb/testsuite/gdb.base/watchpoint.c
@@ -30,7 +30,7 @@ int ival2 = -1;
 int ival3 = -1;
 int ival4 = -1;
 int ival5 = -1;
-char buf[10];
+char buf[30] = "testtesttesttesttesttesttestte";
 struct foo
 {
   int val;
@@ -95,6 +95,7 @@ func3 ()
   x = 1;				/* second x assignment */
   y = 1;
   y = 2;
+  buf[26] = 3;
 }
 
 int
diff --git a/gdb/testsuite/gdb.base/watchpoint.exp b/gdb/testsuite/gdb.base/watchpoint.exp
index 9fee73b..ff11a4f 100644
--- a/gdb/testsuite/gdb.base/watchpoint.exp
+++ b/gdb/testsuite/gdb.base/watchpoint.exp
@@ -678,6 +678,13 @@ proc test_inaccessible_watchpoint {} {
     }
 }
     
+proc test_watchpoint_in_big_blob {} {
+    global gdb_prompt
+
+    gdb_test "watch buf" ".*atchpoint \[0-9\]+: buf"
+    gdb_test "cont" "Continuing.*atchpoint \[0-9\]+: buf\r\n\r\nOld value = .*testte\".*" "watchpoint on buf hit"
+}
+
 # Start with a fresh gdb.
 
 gdb_exit
@@ -842,6 +849,8 @@ if [initialize] then {
     }
 
     test_watchpoint_and_breakpoint
+
+    test_watchpoint_in_big_blob
 }
 
 # Restore old timeout