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From: =?ISO-8859-1?Q?Hans-Bernhard_Br=F6ker?= <HBBroeker AT t-online DOT de>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Abort when compiling using COFF debug format (-gcoff)
Date: Sun, 29 Jan 2012 20:45:35 +0100
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On 29.01.2012 19:29, Eli Zaretskii wrote:
>> From: Hans-Bernhard Bröker<HBBroeker AT t-online DOT de>
>> Date: Sun, 29 Jan 2012 18:51:01 +0100
>>
>> On 29.01.2012 14:43, Rugxulo wrote:
>>
>>> Guess so. But I don't see any obvious way to later on tell what
>>> specific debug info was generated at compile time. ("file" apparently
>>> doesn't tell, at least not on .EXEs.)
>>
>> The tool-for-the-task there would be objdump.  Particularly the output
>> of the -g, -G and/or -Wi flags.
>
> I tried that before replying, but couldn't find any objdump switch
> which would tell the debug info format.

Those flags do provide that information somewhat indirectly: by printing 
nothing if there's nothing to find in the given format (stabs and DWARF, 
respectively).  -g interprets COFF debug info if present, otherwise it 
only prints external symbols.