--- Comment #4 from christian dot joensson at gmail dot com 2005-12-01
10:06 ---
Not 100% sure, but I do believe this has happend on sparc/sparc64 linux for a
quite some time...
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25176
--- Comment #2 from amodra at bigpond dot net dot au 2005-11-30 13:07
---
I had a little play at implementing unwinder info for the epilogue. It's easy
to arrange for a DW_CFA_def_cfa_offset: 0 to be emitted on the stack restore.
However, often the function exit isn't emitted last.
--- Comment #3 from rth at gcc dot gnu dot org 2005-11-30 23:07 ---
Fixing the unwinder to handle epilogues is harder than you think, I think.
My guess is that it'll require completely rewriting the unwind generator.
It'll need to be CFG aware, which means it'll have to happen while the
--- Comment #1 from pinskia at gcc dot gnu dot org 2005-11-30 02:26 ---
Confirmed, also happens on ppc-darwin. (Note this is most likely on other
targets too, there is a bug about x86_64 and this IIRC to get libuwind to pass
its tests).
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pinskia at gcc dot gnu dot org changed:
