RE: [PATCH 1/6] DWARF: Don't add nameless modules to partial symbol table.

Wiederhake, Tim
2017-08-04T11:03:41Z

Hi Yao,

> -----Original Message-----
> From: Yao Qi [mailto:qiyaoltc@gmail.com]
> Sent: Wednesday, August 2, 2017 1:17 PM
> To: Wiederhake, Tim <tim.wiederhake@intel.com>
> Cc: gdb-patches@sourceware.org
> Subject: Re: [PATCH 1/6] DWARF: Don't add nameless modules to partial
> symbol table.
>
> "Wiederhake, Tim" <tim.wiederhake@intel.com> writes:
>
> > I'm using the Intel? Fortran Compiler:
> >
> > $ ifort --version
> > ifort (IFORT) 15.0.0 20140716
> > Copyright (C) 1985-2014 Intel Corporation. All rights reserved.
> >
> > $ ifort -g -o block-data testsuite/gdb.fortran/block-data.f
> > $ readelf -w block-data | grep DW_TAG_module
> > <1><d7>: Abbrev Number: 7 (DW_TAG_module)
> > 7 DW_TAG_module [has children]
>
> Hi Tim,
> I checked both gfortran and armflang, neither generate DW_TAG_module for
> nameless BLOCK DATA.
>
> When I google "block data", I find I reviewed this patch before :)
> https://sourceware.org/ml/gdb-patches/2016-11/msg00014.html I didn't see
> the point Intel fortran compiler generates DW_TAG_module for a nameless
> BLOCK DATA, but GDB shouldn't crash in any case. Could you adjust the
> commit log and comments to reflect that Intel fortran compiler
> generates DW_TAG_module without DW_AT_name for a nameless BLOCK DATA,
> and GDB will crash. This patch is to fix the crash.

Changed locally.

>
> --
> Yao (齐尧)

Regards,
Tim
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