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Re: PATCH: Add R_386_SIZE32/R_X86_64_SIZE32/R_X86_64_SIZE64 support to bfd
From: "H.J. Lu" <hjl.tools@gmail.com>
Date: Wed, 16 Jan 2013 16:33:16 -0800
> On Wed, Jan 16, 2013 at 3:57 PM, H.J. Lu <hjl.tools@gmail.com> wrote:
>> On Wed, Jan 16, 2013 at 3:50 PM, David Miller <davem@davemloft.net> wrote:
>>>
>>> H.J. I wonder about this syntax.
>>>
>>> Won't it conflict with symbol versioning?
>>>
>>> How could we refer in the assembler to a specific version of
>>> a symbol, and that version happens to be "SIZE"?
>>>
>>> Maybe I'm concerned about a non-issue, but I thought I'd ask.
>>
>> The same applies to @PLT, @GOT, @GOTOFF, ....
>> I don't think it is a real issue.
>>
>
> [hjl@gnu-6 sized-tls]$ cat v.S
> .globl old_foo
> .symver old_foo, foo@SIZE
> old_foo:
> movl $foo@SIZE,%eax
> [hjl@gnu-6 sized-tls]$ ./as -o v.o v.S
> [hjl@gnu-6 sized-tls]$ ./objdump -drw v.o
>
> v.o: file format elf64-x86-64
Looks good, I'll work on the sparc bits when I get a chance.