Relocation data value adjust
Tue May 25 03:23:00 GMT 2010
2010/5/21 Andreas Schwab <firstname.lastname@example.org>:
> daniel tian <email@example.com> writes:
>> I digged the write.c, and still being puzzled. The difficulty I met is
>> how I could distinguish those two labels being in funpointer (data
>> section) from like "JMP @a" (in .text section, because in jmp section,
>> there will be a fixup, and it will be resolved in md_apply_fix, the
>> "a" address value will be right shifted two bit in this function.).
>> and I noticed "a, c" reloc_type is BFD_RELOC_32 (TC_CONS_FIX_NEW is
>> not defined in my target.), So I wonder whether I chould identitify
>> "a,c" with BFD_RELOC_32.
> Qualify the expression by using something like a@fptr and attach a
> different relocation type to it. See the powerpc port for an example.
I checked the as-internal document, there is no something like fptr
stuff, or this is a self defined thing to handle some special
relocation type, right?
Because I don't know the powerpc assemble language, do you mind to
give me a little more detail about @fptr thing?
Thanks very much.
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