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Re: compiling binutils with -DDEBUG
On Tue, Mar 01, 2005 at 08:40:37PM -0500, Ian Lance Taylor wrote:
> Alan Modra <amodra@bigpond.net.au> writes:
>
> > > If the assert in fixup_segment() fails, then
> > > MRI common symbols will not be handled correctly.
> >
> > Are you sure? I couldn't see why it mattered that the sym was resolved
> > at write.c:1857 versus being resolved at write.c:2588. The mri common
> > testcase looks to produce good results.
>
> A relocation against a symbol in an MRI common section has to be
> converted into a relocation against the MRI common symbol with the
> appropriate addend. That is what the code in fixup_segment is doing.
Understood. The relocs appear correct to me. ie. resolve_symbol_value
is doing the right thing, I think.
dump.o: file format elf32-m68k
RELOCATION RECORDS FOR [.data]:
OFFSET TYPE VALUE
00000000 R_68K_32 com1
00000004 R_68K_32 00com2+0x00000004
dump.o: file format a.out-zero-big
RELOCATION RECORDS FOR [.data]:
OFFSET TYPE VALUE
00000000 32 com1
00000004 32 00com2
dump.o: file format coff-m68k
RELOCATION RECORDS FOR [.data]:
OFFSET TYPE VALUE
00000000 32 com1
00000004 32 00com2
--
Alan Modra
IBM OzLabs - Linux Technology Centre