Re: Disabling the combination of duplicated string table items

[Ian Lance Taylor <iant at google dot com>]

On Tue, Aug 14, 2012 at 6:26 AM, pmon mail <pmon.mail@gmail.com> wrote:
>
> I have a problem with string table optimization with ld.
>
> I have an object file with two function symbol entries: "foo" and
> "myfoo". There are obviously two items in the ".symtab" section for
> them and two respective complete null terminated strings in the string
> table ".strtab".
>
> I link this object file to shared library with the command:
> ld -shared foo.o -o foo.so
>
> When look at the shared library, I see that the ".dynsym" still
> contains two items for the two functions, but the ".dynstr" table has
> one entry for them "myfoo" and the "foo" symbol uses the index of "f".
>
> This is a neat optimization, but it causes me problems.
>
> Do you have idea how I can disable this merge/combination
> optimization? I would like to have two string table items for the two
> symbol table items.
>
> I have been told to try "--traditional-format" option with ld, but it
> doesn't seem to have any effect on the output.

I don't think there is any way to disable this optimization for the
section name string table in either GNU ld or gold.

Ian