Re: DWARF debugging info

Fausto Fabbioni <fabbioni@freelance.it>
18 Jan 2001 01:10:30 -0500

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Re: DWARF debugging info fabbioni@freelance.it (Fausto Fabbioni) (2001-01-18)
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From: Fausto Fabbioni <fabbioni@freelance.it>
Newsgroups: comp.compilers
Date: 18 Jan 2001 01:10:30 -0500
Organization: Fabbioni
References: 00-10-204 00-10-218
Keywords: debug
Posted-Date: 18 Jan 2001 01:10:30 EST

> > I have the DWARF 2 spec sheet, but am looking for a simple guide.


> It may be useful to start with dwarf 1 in order to familiarize
> yourself with the DWARF world.


It is a good point to start but remember that ver.2 is more different.


> I'm not sure if dwarf to is completely backward compatible but you
> can reuse large parts of the dwarf 1 code.


You must pay attention on fact that ver.1 is fixed record except for
block data field. In ver.2 all data in ".debug_info" depend on
".debug_abbrev" section. So you must to understand that relation and
try to understand the LEB128 number (read 7.6 paragraph "Variable
length data" and Appendix 4).


Good luck.


Fausto

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