Re: [PATCH] eh_personality.cc: unwinding on ARM

[Andrew Stubbs]

On 16/03/12 13:29, EXTERNAL Waechtler Peter (Fa. TCP, CM-AI/PJ-CF31) wrote:
The CodeSourcery toolchain contains a "fix" like the following,
please consider for adding it.

Here's the full original patch with ChangeLog.

I don't know why Dan never submitted this one. Perhaps it's not suitable 
for upstream or not considered the correct fix?

Anyway, as far as copyright goes, I don't believe CodeSourcery has any 
problem with this being committed.

Andrew
2010-02-04  Daniel Jacobowitz  <d...@codesourcery.com>

	libstdc++-v3/
	* libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): For
	ARM EABI, skip handlers for _US_VIRTUAL_UNWIND_FRAME
	| _US_FORCE_UNWIND.

--- libstdc++-v3/libsupc++/eh_personality.cc
+++ libstdc++-v3/libsupc++/eh_personality.cc
@@ -384,6 +384,8 @@
   switch (state & _US_ACTION_MASK)
     {
     case _US_VIRTUAL_UNWIND_FRAME:
+      if (state & _US_FORCE_UNWIND)
+	CONTINUE_UNWINDING;
       actions = _UA_SEARCH_PHASE;
       break;