I got a bug report that the unwinder is not using the return_address_register value in the CIE. This patch fixes that. Instead of hard coding which psudeo register number contains the saved return address in the stack frame, the register number is found in the CIE. This allowed a bunch of template specializations to be removed.
Tested on Mac OS X 10.9 by running the test suite with OPTIONS: -mmacosx-version-min-10.5 -Wl,-no_compact_unwind which disables compact unwind and runs with just dwarf unwind info.
unwind.patch
Description: Binary data
-Nick
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