re: toolchain/53643: gdb on core files fails on arm

[matthew green <mrg%eterna.com.au@localhost>]

> The new openssl does not work well on arm. I get various core files, but
> looking at them seems to be unreliable:
> 
> Core was generated by `ssh-add'.
> Program terminated with signal SIGILL, Illegal instruction.
> #0  0x6f559468 in _armv7_tick () from /usr/lib/libcrypto.so.14
> (gdb) bt
> #0  0x6f559468 in _armv7_tick () from /usr/lib/libcrypto.so.14
> Register 25 is not available
> 
> Note that even the pc register is likely wrong - the instruction it points
> at is not illegal on this cpu, and tracing through the call in live
> instances does not throw a SIGILL.

are there any CFI markers in the asm?  there isn't for x86 last
i saw, and they're needed for properly traversing stack traces
into these asm files.  i'd guess that's probably the problem..


.mrg.