{GOLD][PATCH PROPOSAL] prevent discarding of needed local symbols for the relocatable objects
Viktor Kutuzov
vkutuzov@accesssoftek.com
Wed Feb 10 23:03:00 GMT 2010
Hi Ian,
I'm trying to cross build llvm and llvm-gcc on Linux for ARM by using
GOLD as the linker. This has exposed some problems we have in GOLD.
One of them related to the assert in the relocate_for_relocatable()
method (target-reloc.h, line 557):
new_symndx = object->symtab_index(r_sym);
gold_assert(new_symndx != -1U);
This assert gets triggered when the build links glibc with the -r -X
flags (remove local symbols).
This happens because with the given -X option GOLD removes all local
symbols, including those which still needed to resolve static relocs
later.
LD keeps that kind of local symbols in the symbol table even if -X
requested. I guess GOLD should do the same.
Please find attached the patch that fixes this issue.
Thank you,
Viktor.
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