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Re: How to have gcc generate assembler code with C source listed?

From: Andrew Haley <aph at redhat dot com>
To: Bob Plantz <plantz at cds1 dot net>
Cc: "gcc-help at gcc dot gnu dot org" <gcc-help at gcc dot gnu dot org>
Date: Fri, 04 Jul 2008 17:21:53 +0100
Subject: Re: How to have gcc generate assembler code with C source listed?
References: <486DEC50.90603@gmail.com> <486DF378.8000705@redhat.com> <1215187695.6077.6.camel@bob-desktop>

Bob Plantz wrote:
> On Fri, 2008-07-04 at 10:55 +0100, Andrew Haley wrote:
>> Chen (é) Jun (å) wrote:
>>> Is there any options to enable this? If yes, since what version of gcc
>>> is it supported?
>> All of them.
>>
>> -g -Wa,-adhls
> 
> Very nice. I didn't know about this.
> 
> Can you tell me where .loc is documented?
> When I see something like:
>         .loc 1 15 0
> in the assembly language, I easily figured out that 15 is the line
> number in the original C code. But it would be nice to know what the
> other two numbers mean.

I have no idea; if I wanted to know I'd look in the gcc source to see what
this generates.

Andrew.

References:
- How to have gcc generate assembler code with C source listed?
  - From: "Chen (é) Jun (å)"
- Re: How to have gcc generate assembler code with C source listed?
  - From: Andrew Haley
- Re: How to have gcc generate assembler code with C source listed?
  - From: Bob Plantz

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