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Article #430Re: The offset is so large
From: Evenbit
Date: Sat, 10 Jun 2006 04:44
Date: Sat, 10 Jun 2006 04:44
21 lines
1849 bytes
1849 bytes
cmk...@hotmail.com wrote: > Hi > This is the disassemble from my c++ object file, > > char tempBuffer[0x20]; > tempBuffer[0]=0x12; > 70e8: c6 45 b8 12 movb $0x12,0xffffffb8(%ebp) > tempBuffer[0x10]=0x34; > 70ec: c6 45 c8 34 movb $0x34,0xffffffc8(%ebp) > > Why the offset is 0xffffffb8? it is so large > > thanks > from Peter (cmk128@hotmail.com) Those are negative numbers. They are in two's compliment form. Some suggested reading: http://webster.cs.ucr.edu/AoA/Windows/HTML/DataRepresentationa5.html#999509 Nathan.
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X-Google-Thread: f7d8d,c887c247d41a26de X-Google-Thread: 11318c,c887c247d41a26de X-Google-Attributes: gidf7d8d,gid11318c,public X-Google-Language: ENGLISH,ASCII-7-bit Path: arc1-ca.pugleaf.net!g2news2.google.com!postnews.google.com!m38g2000cwc.googlegroups.com!not-for-mail From: "Evenbit" <nbaker2328@charter.net> Newsgroups: alt.lang.asm,gnu.gcc.help Subject: Re: The offset is so large Date: 9 Jun 2006 21:44:00 -0700 Organization: http://groups.google.com Lines: 22 Message-ID: <1149914640.918612.222890@m38g2000cwc.googlegroups.com> References: <1149914165.205201.192150@m38g2000cwc.googlegroups.com> NNTP-Posting-Host: 65.122.72.144 Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" X-Trace: posting.google.com 1149914644 26917 127.0.0.1 (10 Jun 2006 04:44:04 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Sat, 10 Jun 2006 04:44:04 +0000 (UTC) In-Reply-To: <1149914165.205201.192150@m38g2000cwc.googlegroups.com> User-Agent: G2/0.2 X-HTTP-UserAgent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8b2) Gecko/20050921,gzip(gfe),gzip(gfe) Complaints-To: groups-abuse@google.com Injection-Info: m38g2000cwc.googlegroups.com; posting-host=65.122.72.144; posting-account=qfuwVQ0AAAA0E0VGBQa0ep-37IuMebip