[PATCH] PPC32 cfi update part3
Andreas Schwab
schwab@suse.de
Sun Aug 13 08:15:00 GMT 2006
Steven Munroe <munroesj@us.ibm.com> writes:
> * sysdeps/powerpc/powerpc32/dl-trampoline.S (_dl_runtime_resolve,
> _dl_profile_resolve): Add CFI directives for stack and LR save.
> Save LR in LRSAVE of previous frame per ABI.
This breaks profiling. The caller of _mcount is supposed to store LR in
LRSAVE, and _mcount restores it from there, but LRSAVE gets clobbered by
the trampoline.
Andreas.
--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, MaxfeldstraÃe 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
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