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[binutils-gdb] Frame static link: Handle null pointer.
- From: Bernhard Heckel <bernhardheckel at sourceware dot org>
- To: gdb-cvs at sourceware dot org
- Date: 7 Jun 2016 11:37:33 -0000
- Subject: [binutils-gdb] Frame static link: Handle null pointer.
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=2091da296fd563f62d856dcb5a049a63484ed65e
commit 2091da296fd563f62d856dcb5a049a63484ed65e
Author: Bernhard Heckel <bernhard.heckel@intel.com>
Date: Tue Jun 7 13:36:05 2016 +0200
Frame static link: Handle null pointer.
2016-06-07 Bernhard Heckel <bernhard.heckel@intel.com>
gdb/Changelog:
* findvar.c (follow_static_link): Check for valid pointer.
Diff:
---
gdb/ChangeLog | 4 ++++
gdb/findvar.c | 1 +
2 files changed, 5 insertions(+)
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 01cc770..bd2d5d2 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2016-06-07 Bernhard Heckel <bernhard.heckel@intel.com>
+
+ * findvar.c (follow_static_link): Check for valid pointer.
+
2016-06-06 Simon Marchi <simon.marchi@ericsson.com>
* NEWS: Mention the new fields in =record-started.
diff --git a/gdb/findvar.c b/gdb/findvar.c
index a39d897..cfb3e38 100644
--- a/gdb/findvar.c
+++ b/gdb/findvar.c
@@ -435,6 +435,7 @@ follow_static_link (struct frame_info *frame,
/* If we don't know how to compute FRAME's base address, don't give up:
maybe the frame we are looking for is upper in the stace frame. */
if (framefunc != NULL
+ && SYMBOL_BLOCK_OPS (framefunc) != NULL
&& SYMBOL_BLOCK_OPS (framefunc)->get_frame_base != NULL
&& (SYMBOL_BLOCK_OPS (framefunc)->get_frame_base (framefunc, frame)
== upper_frame_base))