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Re: [PATCH v2] x86-64: always use unsigned 32-bit relocation for 32-bit addressing


>>> On 14.11.17 at 17:38, <hjl.tools@gmail.com> wrote:
> On Tue, Nov 14, 2017 at 8:31 AM, Jan Beulich <JBeulich@suse.com> wrote:
>> Except for %eip-relative addressing, where we don't have a suitable
>> relocation type silently wrapping at the 4G boundary, consistently
>> force use of R_X86_64_32 (in ELF terms) instead of its sign-extending
>> counterpart. This wasn't right in case there was no base register in
>> the addressing expression.
> 
> Please open a bug report with your testcase to show incorrect result.
> I need to study it very carefully.

I don't see why you need to study [edi*4+offs] when it simply
doesn't behave the same as [edi+offs].

Jan


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