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Article #181Re: How can I get the current Instruction Address using asm language for intel i386
From: Iman Habib
Date: Fri, 01 Nov 2002 05:10
Date: Fri, 01 Nov 2002 05:10
50 lines
2631 bytes
2631 bytes
Hi. Is it a joke or is there a valid reason for the: > mov eax, eax ; EAX = EIP of THIS mov instruction :p i just not get it.. ?? it seems to me that EIP is already moved to EAX at the line where it says: > mov eax, [esp-4] really tired here.. to tired to understand a joke.. (if its a joke) please dont kill me for this remark.. i probably just need some sleep.. //iman "Calvin" <foo@bar.com> wrote in message news:<apqb7h$a6h$1@tenorhorn.hk.dyxnet.com>... > You can make use of the stack and CALL/RET instruction > > provided the CALL instruction push the (E)IP on the stack > you can write a GetIP function like this: > > ; DWORD GetIP (void); > GetIP: > mov eax, [esp-4] > ret > > > call GetIP > mov eax, eax ; EAX = EIP of THIS mov instruction :p > > > -- > > > > > > "Edward" <yongtian@lucent.com> ���g��l�� news:3DC179AE.F8F77BB@lucent.com... > > I am trying to get the current instruction address. > > Does anybody give me a kindly suggestion? > > > > Thanks > > > >
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X-Google-Language: ENGLISH,ASCII X-Google-Thread: 11318c,c1ae2bfd06633400 X-Google-Attributes: gid11318c,public X-Google-Thread: 114917,c1ae2bfd06633400 X-Google-Attributes: gid114917,public X-Google-ArrivalTime: 2002-10-31 21:18:50 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!newsfeed.stanford.edu!sn-xit-05!sn-xit-06!sn-post-02!sn-post-01!supernews.com!corp.supernews.com!news.crayne.org!clax86!robomod!not-for-mail From: pixelpajas@hotmail.com (Iman Habib) Newsgroups: comp.lang.asm.x86,gnu.gcc.help Subject: Re: How can I get the current Instruction Address using asm language for intel i386 Approved: CLAX86 Moderators <ccrayne@crayne.org> Date: Fri, 1 Nov 2002 05:10:34 +0000 (UTC) Organization: http://groups.google.com/ Message-ID: <dfb2581c.0210311605.22532859@posting.google.com> Sender: clax86@odin.asgard References: <3DC179AE.F8F77BB@lucent.com> <apqb7h$a6h$1@tenorhorn.hk.dyxnet.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-CLAX86-Policy: http://www.pacificsites.com/~ccrayne/clax86.html X-CLAX86-Faq: http://www2.dgsys.com/~raymoon/x86faqs.html X-CLAX86-Info-1: Send submissions to comp-lang-asm-x86@moderators.isc.org X-CLAX86-Info-2: Send technical complaints to ccrayne@crayne.org X-CLAX86-Info-3: Send complaints about policy to ccrayne@crayne.org X-Comment: moderators do not necessarily agree or disagree with this article. X-MailScanner: Found to be clean X-UIDL: 4$)#!_>,"!YNZ!!~mI"! X-Complaints-To: abuse@supernews.com Lines: 51