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Re: [RFC] cygport: split debuginfo packages
On Thu, Jun 21, 2012 at 03:21:49PM +0100, Jon TURNEY wrote:
>On 21/06/2012 13:56, Christopher Faylor wrote:
>> On Thu, Jun 21, 2012 at 01:24:36AM -0500, Yaakov (Cygwin/X) wrote:
>>> Attached is a first draft of a patch to support split debuginfo packages
>>> automatically in cygport. I'm looking for comments and suggestions,
>>> particularly on the following:
>>>
>>> 1) I propose adding a Debug category for all -debuginfo packages.
>>>
>>> 2) This places the debuginfo from e.g. /usr/bin/cygfoo-X.dll into
>>> /usr/lib/debug/usr/bin/cygfoo-X.dbg. Unfortunately, when gdb finds
>>> library dependencies, they show up as e.g.
>>> /cygdrive/c/cygwin/bin/cygfoo-X.dll instead of as in /usr/bin, causing
>>> gdb to not find the debug file. There are at least three solutions to this:
>>>
>>> a. Fix (cygwin or) gdb to use /usr paths over /cygdrive/c/cygwin paths;
>>
>> Why is this necessary? The path to the debuginfo file is supposed to be
>> in the executable. cygwin1.dll doesn't use cygdrive.
>
>The .gnu_debuglink section is supposed to contain a filename, not a pathname.
> It's up to the debugger to work out where the file is.
>
>[1] http://sourceware.org/gdb/onlinedocs/gdb/Separate-Debug-Files.html
Ah, ok. Thanks. You'd think that I would know this since I maintain gdb
and set up cygwin1.dbg.
cgf