This is the mail archive of the binutils@sourceware.org mailing list for the binutils project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: "gdb vmlinux" gives wrong symbol addresses


On Sun, Aug 20, 2006 at 09:54:30PM -0400, Daniel Jacobowitz wrote:
> On Mon, Aug 21, 2006 at 11:08:29AM +0930, Alan Modra wrote:
> > I think that for ET_EXEC and ET_DYN gdb should ignore relocs that use
> > the normal symbol table.  Sane ELF targets will have dynamic reloc
> > section(s) with sh_link pointing at a symtab section with sh_type of
> > SHT_DYNSYM.  --emit-relocs creates reloc sections with sh_link pointing
> > at a symtab section with sh_type of SHT_SYMTAB.
> 
> This amounts to always ignoring relocations; GDB only uses relocations
> for debug sections, which will never point at SHT_DYNSYM (I don't
> think?).

When we emitted relocs for debug sections on some targets (eg. ppc32
prior to 2005-04-19), they were against SHT_DYNSYM symbols.

-- 
Alan Modra
IBM OzLabs - Linux Technology Centre


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]