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-rw-r--r--gdb/ChangeLog4
-rw-r--r--gdb/arm-tdep.c2
2 files changed, 6 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 128cc9a..b0861d0 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2010-03-04 Doug Evans <dje@google.com>
+
+ * arm-tdep.c (arm_stub_unwind_sniffer): Add comment.
+
2010-03-04 Pedro Alves <pedro@codesourcery.com>
* breakpoint.c (update_watchpoint): Create a sentinel location if
diff --git a/gdb/arm-tdep.c b/gdb/arm-tdep.c
index 80be2cc..353bc48 100644
--- a/gdb/arm-tdep.c
+++ b/gdb/arm-tdep.c
@@ -1236,6 +1236,8 @@ arm_stub_unwind_sniffer (const struct frame_unwind *self,
addr_in_block = get_frame_address_in_block (this_frame);
if (in_plt_section (addr_in_block, NULL)
+ /* We also use the stub winder if the target memory is unreadable
+ to avoid having the prologue unwinder trying to read it. */
|| target_read_memory (get_frame_pc (this_frame), dummy, 4) != 0)
return 1;