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Programming > Compilers > need ideas on h...
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need ideas on how to debug code generator

by Ram Bhamidipaty <rambham@[EMAIL PROTECTED] > Feb 24, 2008 at 09:47 PM

Hi,

I have a small code generator - for 32 bit x86 machines, unfortunately it
has some bugs :-(. My problem is that the generated code fails
"once in a while" sometimes it can go for 20-40 iterations before failing.

I have a collection of test cases where I verify the correctness of
various simple constructs -- things like load, store, add, sub, etc.
Those all pass.

The test case in question generates a code sequence of about 400 bytes. It
fails by seg faulting, unfortunately gdb is unable to print out a
useful stack trace.

What are some techniques that people have used for debugging code
generators?

-Ram




 5 Posts in Topic:
need ideas on how to debug code generator
Ram Bhamidipaty <rambh  2008-02-24 21:47:50 
Re: need ideas on how to debug code generator
Thomas Have <thomas@[E  2008-02-25 17:59:42 
Re: need ideas on how to debug code generator
Nils <n.pipenbrinck@[E  2008-02-26 02:55:34 
Re: need ideas on how to debug code generator
"Bartc" <bc@  2008-02-27 18:07:17 
Re: need ideas on how to debug code generator
Joel Yliluoma <bisqwit  2008-02-28 06:34:50 

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tan12V112 Mon May 12 9:56:28 CDT 2008.