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authorHui Zhu <teawater@gmail.com>2012-12-06 01:11:32 +0000
committerHui Zhu <teawater@gmail.com>2012-12-06 01:11:32 +0000
commitc90a077350e441ae527b16a62719b1f2402ad9b4 (patch)
treeea99131b57728b5b2482483cd3db6b384b807a35
parent8fbb09e83e588193462a3c488466cb4d1a80ba98 (diff)
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* dwarf2loc.c (dwarf_expr_frame_base): Add check for the return value of get_frame_block.
-rw-r--r--gdb/ChangeLog5
-rw-r--r--gdb/dwarf2loc.c6
2 files changed, 10 insertions, 1 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index c7a8346..cc89930 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2012-12-06 Hui Zhu <hui_zhu@mentor.com>
+
+ * dwarf2loc.c (dwarf_expr_frame_base): Add check for the return
+ value of get_frame_block.
+
2012-12-05 Pierre Muller <muller@sourceware.org>
Avoid memory leaks on struct cmd_list_element.doc field.
diff --git a/gdb/dwarf2loc.c b/gdb/dwarf2loc.c
index cadcc17..0f8e9af 100644
--- a/gdb/dwarf2loc.c
+++ b/gdb/dwarf2loc.c
@@ -332,11 +332,15 @@ dwarf_expr_frame_base (void *baton, const gdb_byte **start, size_t * length)
this_base method. */
struct symbol *framefunc;
struct dwarf_expr_baton *debaton = (struct dwarf_expr_baton *) baton;
+ struct block *bl = get_frame_block (debaton->frame, NULL);
+
+ if (bl == NULL)
+ error (_("frame address is not available."));
/* Use block_linkage_function, which returns a real (not inlined)
function, instead of get_frame_function, which may return an
inlined function. */
- framefunc = block_linkage_function (get_frame_block (debaton->frame, NULL));
+ framefunc = block_linkage_function (bl);
/* If we found a frame-relative symbol then it was certainly within
some function associated with a frame. If we can't find the frame,