http://sourceware.org/bugzilla/show_bug.cgi?id=14330
--- Comment #5 from Cary Coutant <ccoutant at google dot com> 2012-07-09
16:27:34 UTC ---
>> It looks like the symbol was discarded for some reason, and the error is
>> occurring because it is hidden. My guess is that the error should be
>> suppressed--you should only be getting the warning about "relocation refers
>> to
>> discarded section". That warning is most likely about debug info, though
>> it's
>> hard to know for sure.
>
> Thanks for the thoughts. I wonder, though -- since the relocation seems to be
> coming from the use of the hidden symbol and not the definition, I don't see
> how it could be related to debug info. But I'm also fairl ignorant about
> these
> things.
This is a wild guess, but I think your asm code is getting placed in a
random section depending on the other options. Try adding a ".text"
statement in the function definition below:
DFGOperations.cpp:
asm (
".globl getHostCallReturnValue\n"
".hidden getHostCallReturnValue\n"
"getHostCallReturnValue:\n"
"mov -40(%r13), %r13\n"
"mov %r13, %rdi\n"
"jmp getHostCallReturnValueWithExecState\n"
);
-cary
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