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Date: Sat, 17 Oct 2009 15:50:00 -0000
Message-ID: <8ac60eac0910170849p45d24187o449011fc0aa21fc7@mail.gmail.com>
Subject: Re: [RFC][patch] Allow to disassemble line.
From: Paul Pluzhnikov <ppluzhnikov@google.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: gdb-patches@sourceware.org
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On Sat, Oct 17, 2009 at 1:31 AM, Eli Zaretskii <eliz@gnu.org> wrote:
>> Date: Fri, 16 Oct 2009 16:11:27 -0700
>> From: Paul Pluzhnikov <ppluzhnikov@google.com>
>>
>> (top) set disassemble-next-line on
>> (top) ni
>> 0x000000000054d225 =A0 =A0 =A0510 =A0 =A0 =A0 =A0 =A0 val =3D func (func=
_args);
>> =A0 0x000000000054d221 <catch_errors+69>: =A048 8b 7d d0 =A0 =A0mov =A0 =
=A0-0x30(%rbp),%rdi
>> * 0x000000000054d225 <catch_errors+73>: =A048 8b 45 d8 =A0 =A0mov =A0 =
=A0-0x28(%rbp),%rax
>> =A0 0x000000000054d229 <catch_errors+77>: =A0ff d0 =A0callq =A0*%rax
>> =A0 0x000000000054d22b <catch_errors+79>: =A089 45 fc =A0 =A0 =A0 mov =
=A0 =A0%eax,-0x4(%rbp)
>> (top) ni
>> 0x000000000054d229 =A0 =A0 =A0510 =A0 =A0 =A0 =A0 =A0 val =3D func (func=
_args);
>> =A0 0x000000000054d221 <catch_errors+69>: =A048 8b 7d d0 =A0 =A0mov =A0 =
=A0-0x30(%rbp),%rdi
>> =A0 0x000000000054d225 <catch_errors+73>: =A048 8b 45 d8 =A0 =A0mov =A0 =
=A0-0x28(%rbp),%rax
>> * 0x000000000054d229 <catch_errors+77>: =A0ff d0 =A0callq =A0*%rax
>> =A0 0x000000000054d22b <catch_errors+79>: =A089 45 fc =A0 =A0 =A0 mov =
=A0 =A0%eax,-0x4(%rbp)
>
> The asterisk in both cases is on the same mnemonics, "callq =A0*%rax".

It's the "leading asterisk" that is the marker here, and it moves from
0x000000000054d225 to 0x000000000054d229.

Instruction itself (which is "callq  *%rax") is constant, just like it
should be.

Or did I misunderstand your question?

Thanks,
--=20
Paul Pluzhnikov