[Bug target/45807] Lying eh_frame r2 save info causes crashes with static libgcc_eh and libstdc++

[amodra at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45807

--- Comment #7 from Alan Modra <amodra at gcc dot gnu.org> 2010-11-17 06:09:58 
UTC ---
Author: amodra
Date: Wed Nov 17 06:09:53 2010
New Revision: 166857

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=166857
Log:
    PR target/45807
    Backport r164685,r164825,r165101
    * config/rs6000/aix.h (SETUP_FRAME_ADDRESSES): Delete.
    * config/rs6000/linux64.h (SETUP_FRAME_ADDRESSES): Delete.
    * config/rs6000/rs6000-protos.h (rs6000_aix_emit_builtin_unwind_init):
    Delete.
    * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init): Delete.
    (rs6000_emit_prologue): Don't just create frame save info for r2,
    actually save r2.


Modified:
    branches/gcc-4_5-branch/gcc/ChangeLog
    branches/gcc-4_5-branch/gcc/config/rs6000/aix.h
    branches/gcc-4_5-branch/gcc/config/rs6000/linux64.h
    branches/gcc-4_5-branch/gcc/config/rs6000/rs6000-protos.h
    branches/gcc-4_5-branch/gcc/config/rs6000/rs6000.c