X-Authentication-Warning: delorie.com: mailnull set sender to djgpp-bounces using -f Message-ID: <3C9D0617.69890CE3@yahoo.com> From: CBFalconer Organization: Ched Research X-Mailer: Mozilla 4.75 [en] (Win98; U) X-Accept-Language: en MIME-Version: 1.0 Newsgroups: comp.os.msdos.djgpp Subject: Re: Breakpoints crazy? References: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Lines: 22 Date: Sat, 23 Mar 2002 22:49:03 GMT NNTP-Posting-Host: 12.90.174.222 X-Complaints-To: abuse AT worldnet DOT att DOT net X-Trace: bgtnsc05-news.ops.worldnet.att.net 1016923743 12.90.174.222 (Sat, 23 Mar 2002 22:49:03 GMT) NNTP-Posting-Date: Sat, 23 Mar 2002 22:49:03 GMT To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Reply-To: djgpp AT delorie DOT com Nirvana wrote: > > I use DJGPP-RHIDE to develop a DOS application but i'm experimenting very > strange debugging problem. > ... snip ... > > Someone can explain me why if i run this procedure with some breakpoints it > seem to go here and there without any apparent reason? It jump some lines, > then come back, the it invent some cycles and repeat several times the same > instruction and so on. Probably because optimization has rearranged the code. Just turn it off (remove the -On compile flag, for whatever n you are using, probably 2). Put it back when you are satisfied. -- Chuck F (cbfalconer AT yahoo DOT com) (cbfalconer AT XXXXworldnet DOT att DOT net) Available for consulting/temporary embedded and systems. (Remove "XXXX" from reply address. yahoo works unmodified) mailto:uce AT ftc DOT gov (for spambots to harvest)