* Sasha Levin <sasha.le...@oracle.com> wrote:
> On 07/06/2015 01:20 PM, Andy Lutomirski wrote:
> > On Mon, Jul 6, 2015 at 8:00 AM, Sasha Levin <sasha.le...@oracle.com> wrote:
> >> >
> >> > --- entry.before.o.cmd 2015-07-06 10:48:32.110189938 -0400
> >> > +++ entry.after.o.cmd 2015-07-06 10:48:23.509645442 -0400
> >> > @@ -1,5 +1,5 @@
> >> >
> >> > -entry.before.o: file format elf64-x86-64
> >> > +entry.after.o: file format elf64-x86-64
> >> >
> >> >
> >> > Disassembly of section .entry.text:
> >> > @@ -3961,8 +3961,8 @@
> >> > 3b: 09 02 or %eax,(%rdx)
> >> > ...
> >> > 3d: R_X86_64_64 .entry.text
> >> > - 45: 03 3a add (%rdx),%edi
> >> > - 47: 01 3d 03 d6 00 c8 add %edi,-0x37ff29fd(%rip) #
> >> > ffffffffc800d650 <ignore_sysret+0xffffffffc800b1f0>
> >> > + 45: 03 33 add (%rbx),%esi
> >> > + 47: 01 3d 03 d5 00 c8 add %edi,-0x37ff2afd(%rip) #
> >> > ffffffffc800d550 <ignore_sysret+0xffffffffc800b0f0>
> > What exactly are you doing to generate this diff? This all looks really
> > weird.
> >
> >> > 4d: 44 91 rex.R xchg %eax,%ecx
> >> > 4f: 93 xchg %eax,%ebx
> >> > 50: 2f (bad)
> > For example: what on earth is the asm above?
>
> objdump...
Oh, so I'm using 'objdump -d' to compare - but you probably used 'objdump
--disassemble-all', to disassemble .data sections as well?
Thanks,
Ingo
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