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Article #268

Re: Turbo C Debugger

#268
From: Mike Percy
Date: Mon, 09 Apr 1990 18:43
40 lines
2026 bytes
I tried to mail this, but it bounced.

simon@shiva.trl.oz (Simon Michnowicz - A Free Spirit):
> 
> This question refers to the Disassembler in TurboC's
> Stand-alone debugger.
> 
> It has a really  nice feature, namely printing a line
> of C code, and the assembly instructions that are
> equivalent to it.
> 
> This is really useful to me, and I would like to
> get the WHOLE file done like that.  However there
> seems to be no easy way of doing this.  The only way
> I can think of is to dump each window full of information
> to a log file.   Tedious for long progams!!
> 

Well, in answer to your question, I found it to be a handy feature too,
and wanted to get a whole program listed in this form.  What I did was
to write a REXX exec that reads in the C program and merges it with the
ASM file.  I meant to get around to re-writing the exec in C, but
haven't so far.  You should be able to do it pretty simply, though.

Have a look at the output of the following:
       tcc -S prog.c       (namely prog.asm)
Notice the lines labeled
;	debug L ##         (## is the corresponding line in the C prog)
So now make a C prog that reads in a C source code into an array
(because you may need to reference them more than once) and then read
the .ASM file.  When you see a line with the above prefix, spit out the
C line with the right number. Lines without the right prefix, just spit
out.

You could avoid the array by doing a simple merge kind-of-thing.  For
the few cases when you would need a line from the source more than once,
you could vote to simply put out the ?debug line.

Good luck.
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!emory!hubcap!grimlok
From: grimlok@hubcap.clemson.edu (Mike Percy)
Newsgroups: comp.sys.ibm.pc.programmer
Subject: Re: Turbo C Debugger
Message-ID: <8665@hubcap.clemson.edu>
Date: 9 Apr 90 18:43:25 GMT
References: <Q!P#*J@rpi.edu>
Distribution: comp
Organization: Clemson University, Clemson, SC
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