Re: [RFC] cygport: split debuginfo packages

[Jon TURNEY <jon.turney@dronecode.org.uk>]

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