From: Pedro Alves <palves@redhat.com>
Date: Fri, 28 Jan 2011 16:00:16 +0000 (+0000)
Subject: 	gdb/
X-Git-Tag: cgen-snapshot-20110201~17
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e8c9e0a18f11d0247f43aecf6771494ee033177a;p=external%2Fbinutils.git

	gdb/
	* target.c (memory_xfer_partial): No need to restore shadows if we
	haven't read anything.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 8b07d70..aab7ed1 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,10 @@
 2011-01-28  Pedro Alves  <pedro@codesourcery.com>
 
+	* target.c (memory_xfer_partial): No need to restore shadows if we
+	haven't read anything.
+
+2011-01-28  Pedro Alves  <pedro@codesourcery.com>
+
 	* mips-tdep.c (mips_print_register): Use get_frame_register_value
 	and val_print_scalar_formatted.
 
diff --git a/gdb/target.c b/gdb/target.c
index 710af02..ad695a1 100644
--- a/gdb/target.c
+++ b/gdb/target.c
@@ -1414,7 +1414,7 @@ memory_xfer_partial (struct target_ops *ops, enum target_object object,
     }
   while (ops != NULL);
 
-  if (readbuf && !show_memory_breakpoints)
+  if (res > 0 && readbuf != NULL && !show_memory_breakpoints)
     breakpoint_restore_shadows (readbuf, memaddr, reg_len);
 
   /* Make sure the cache gets updated no matter what - if we are writing