Re: [RFC][gdb/symtab] Add DEBUG_DEBUGINFOD_CLIENT in debuginfod-support.c

[Simon Marchi via Gdb-patches <gdb-patches@sourceware.org>]

On 2021-03-31 9:56 a.m., Tom de Vries wrote:> Hi,
> 
> Add an off-by-default debug trace option DEBUG_DEBUGINFOD_CLIENT in
> debuginfod-support.c.
> 
> By redefining DEBUG_DEBUGINFOD_CLIENT to 1, we get a trace like this:
> ...
> TRYING DEBUGINFO FOR: \
>   /home/vries/gdb_versions/devel/system-supplied DSO at 0x7ffff7ffa000
> BUILDID: 157d01461677175219ab3ccd37454aeb740d2a7e
> TOOK: 0.699193 seconds
> RESULT fd: -2
> warning: Source file is more recent than executable.
> TRYING SOURCE: /home/abuild/rpmbuild/BUILD/gcc-7.5.0+r278197/\
>   obj-x86_64-suse-linux/x86_64-suse-linux/libgcc/../../../libgcc/\
>   config/i386/sfp-exceptions.c
> BUILDID: 97481d83f99d6da01138fe4c61114da27e34d17e
> TOOK: 1.724909 seconds
> RESULT fd: -2
> TRYING SOURCE: /home/abuild/rpmbuild/BUILD/gcc-7.5.0+r278197/\
>   obj-x86_64-suse-linux/x86_64-suse-linux/libgcc/../../../libgcc/libgcc2.c
> BUILDID: 97481d83f99d6da01138fe4c61114da27e34d17e
> TOOK: 0.819237 seconds
> RESULT fd: -2
> ...
> 
> Any comments?

Hi Tom,

I think this would be more useful if this was available using a "set
debug debuginfod" parameter, like the other debug printouts.

Simon