[Bug gas/13449] ARM: Unwind tables are created based on uninitialized memory

[agraf at suse dot de]

http://sourceware.org/bugzilla/show_bug.cgi?id=13449

--- Comment #5 from Alexander Graf <agraf at suse dot de> 2011-12-01 18:10:14 
UTC ---
I can easily create the .o files for you. I'm very sure that gas is broken.
Please see the following commands:


panda1:/binutils/gas> ./as-new -march=armv7-a -mfloat-abi=hard -mfpu=vfpv3-d16
-meabi=5 -o /exc.o /exc.s
panda1:/binutils/gas> readelf -u /exc.o

Unwind table index '.ARM.exidx' at offset 0xf8 contains 1 entries:

0x0: 0xfffffffc
  Compact model 127
  [reserved]

-----

wichary:/binutils/gas> ./as-new -march=armv7-a -mfloat-abi=hard -mfpu=vfpv3-d16
-meabi=5 -o /exc.o /exc.s
wichary:/binutils/gas> readelf -u /exc.o

Unwind table index '.ARM.exidx' at offset 0xf8 contains 1 entries:

0x0: @0x0
  Personality routine: 0x0 <main>

-----

Both are running inside the exact same rootfs mounted via NFS. This is with
your patch applied btw :).

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