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Re: AIX DWARF debugging sections
- From: Joel Brobecker <brobecker at adacore dot com>
- To: David Edelsohn <dje dot gcc at gmail dot com>
- Cc: Doug Evans <dje at google dot com>, Tristan Gingold <gingold at adacore dot com>, GDB Patches <gdb-patches at sourceware dot org>
- Date: Tue, 13 Oct 2015 09:45:23 -0700
- Subject: Re: AIX DWARF debugging sections
- Authentication-results: sourceware.org; auth=none
- References: <CAGWvnykS9J5cHfbDg4swVhXZdJ+Lzk7JQmikbPrXh2E4p-xshg at mail dot gmail dot com> <CADPb22Q1s4q7NCzUO5iLt0cT8ewH21RhmHTnyPh7AS=4nhFmsw at mail dot gmail dot com> <CAGWvnymgdDdzeKNDrjrwwTnO9dPrkcfJjOhJJn9RjGX_+BheJQ at mail dot gmail dot com> <20151010000433 dot GB3341 at adacore dot com> <CADPb22QmuPeP_QBDNWA4iSi1jsnTvAiAurV8HWGCAYnPoMr+wg at mail dot gmail dot com> <CAGWvnyn51SPQeHvS3xNmc+9J8VwXiL1d94uVR84z_=4EYwdF+Q at mail dot gmail dot com> <20151012155021 dot GC3341 at adacore dot com> <CAGWvny=kgerJJokbsBz=h=1icH90ePjRCHzpi+GM+_nbiiuhjQ at mail dot gmail dot com> <20151012183438 dot GE3341 at adacore dot com> <CAGWvny=suvd=yEC3WYd9YpsLaW_O+zCQSXBm=tfekeutyZ6xUQ at mail dot gmail dot com>
> For full sentences, we might as well document it more completely.
Good idea. The patch looks good to me.
> diff --git a/gdb/xcoffread.c b/gdb/xcoffread.c
> index 0d49751..e4af37c 100644
> --- a/gdb/xcoffread.c
> +++ b/gdb/xcoffread.c
> @@ -159,11 +159,14 @@ static const struct dwarf2_debug_sections dwarf2_xcoff_nam
> es = {
> { ".dwabrev", NULL },
> { ".dwline", NULL },
> { ".dwloc", NULL },
> - { NULL, NULL }, /* debug_macinfo */
> - { NULL, NULL }, /* debug_macro */
> + /* AIX XCOFF defines one, named DWARF section for macro debug information.
> + XLC does not generate debug_macinfo for DWARF4 and below.
> + The section is assigned to debug_macro for DWARF5 and above. */
> + { NULL, NULL },
> + { ".dwmac", NULL },
> { ".dwstr", NULL },
> { ".dwrnges", NULL },
> - { NULL, NULL }, /* debug_types */
> + { ".dwpbtyp", NULL },
> { NULL, NULL }, /* debug_addr */
> { ".dwframe", NULL },
> { NULL, NULL }, /* eh_frame */
--
Joel