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Date: Sat, 14 Sep 2019 15:54:00 -0000
Message-Id: <83tv9eyiu0.fsf@gnu.org>
From: Eli Zaretskii <eliz@gnu.org>
To: Andrew Burgess <andrew.burgess@embecosm.com>
CC: mgulick@mathworks.com, gdb-patches@sourceware.org
In-reply-to: <20190914152847.GY6076@embecosm.com> (message from Andrew Burgess	on Sat, 14 Sep 2019 11:28:47 -0400)
Subject: Re: [RFC] Apply compilation dir to source_path lookup
References: <8058b501-9020-84f1-ecf4-b46bfe3b86e3@mathworks.com> <20190907235059.GN6076@embecosm.com> <4d9f4c81-8580-2b42-a434-389ed7655d7f@mathworks.com> <20190913013851.GT6076@embecosm.com> <835zlw1z45.fsf@gnu.org> <834l1g1wp7.fsf@gnu.org> <20190913224535.GX6076@embecosm.com> <83r24jz7q4.fsf@gnu.org> <20190914152847.GY6076@embecosm.com>
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> Date: Sat, 14 Sep 2019 11:28:47 -0400
> From: Andrew Burgess <andrew.burgess@embecosm.com>
> Cc: mgulick@mathworks.com, gdb-patches@sourceware.org
> 
> If we have:
> 
>    DW_AT_name:  	c:/project/foo.c
>    DW_AT_comp_dir:	d:/project/build/
> 
> And if the directory search path is:
> 
>    g:/mnt/project;$cdir;$cwd
> 
> And the current directory is:
> 
>    h:/home/
> 
> Then this is what I think the search order will be:
> 
>    c:/project/foo.c
>    g:/mnt/project/project/foo.c
>    d:/project/build/project/foo.c
>    h:/home/project/foo.c
> 
>    d:/project/build/project/foo.c
>    g:/mnt/project/project/build/project/foo.c
>    d:/project/build/project/build/project/foo.c
>    h:/home/project/build/project/foo.c
> 
>    g:/mnt/project/foo.c
>    d:/project/build/foo.c
>    h:/home/foo.c
> 
> The first and third block is what we currently (pre-patch) do, and the
> second block is what I think the patch should provide after Mike's
> last suggested update.

SGTM, thanks.