Re: How can I get the current Instruction Address using asm language for intel i386

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Article #179

#179

From: Tauno Voipio
Date: Thu, 31 Oct 2002 18:07

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"Jim" <sorry@not.com> wrote in message
news:p8f1sugm0d547nlhtiq9ress9qt1lebfhl@4ax.com...
> On Thu, 31 Oct 2002 03:47:59 +0000 (UTC), Edward <yongtian@lucent.com>
> wrote:
>
> >I am trying to get the current instruction address.
> >Does anybody give me a kindly suggestion?
> >
> >Thanks
> >
>
> mov eax,eip
>
> eip is the program counter.

The i386+ is not a RISC machine - eip is not directly addressable.

The only 32-bit registers usable in a mov instruction are: eax, ecx, edx,
ebx, esp, ebp, esi and edi.

The proper method is to access the value pushed by a call.

Tauno Voipio
tauno voipio @ iki fi

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From: "Tauno Voipio" <tauno.voipio@iki.fi.SPAMBAIT_REMOVE.invalid>
Newsgroups: comp.lang.asm.x86,gnu.gcc.help
Subject: Re: How can I get the current Instruction Address using asm language for    intel i386
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