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Subject:	HELP! : Debugging a c/asm mixed programs
Lines:	29
From:	batchex <thedark1NOthSPAM AT phreaker DOT net DOT invalid>
Newsgroups:	comp.os.msdos.djgpp
Message-ID:	<19464ea8.15fd37ca@usw-ex0105-036.remarq.com>
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Date:	Tue, 28 Mar 2000 12:41:12 -0800
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NNTP-Posting-Date:	Tue, 28 Mar 2000 12:41:07 PST
To:	djgpp AT Delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp
Reply-To:	djgpp AT delorie DOT com

Hi,

I'm currently on a project use a mix between C and ASM modules.
I have trouble in debugging the program. I can't debug the
modules written in ASM. These modules are compiled with NASM
0.98.

I usually use FSDB to debug the ASM modules, but now I face 2
problems. One, if I use NASM's structure support in the ASM
modules, FSDB randomly throws an exception. These exceptions can
occur in the middle of an ASM function, or when the function is
called. I have tested the function in question to run without a
debugger and it ran fine.

problem number 2 is everytime I invoke int 0x31 function 0x100,
FSDB terminate my program, reporting the program was terminated
normally.

I have tried GDB, but because NASM doesn't support debug info
with COFF format yet, it can't 'step' into the function. The ASM
function is called as a whole and it can't run single-step.

How can I debug these (ASM) functions? Does anybody know FSDB's
official site? or even if it is still supported? Are there any
other debugger like FSDB which can handle DJGPP/NASM compiled
programs?

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