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Date: Tue, 13 Oct 2015 16:45:00 -0000
From: Joel Brobecker <brobecker@adacore.com>
To: David Edelsohn <dje.gcc@gmail.com>
Cc: Doug Evans <dje@google.com>, Tristan Gingold <gingold@adacore.com>,	GDB Patches <gdb-patches@sourceware.org>
Subject: Re: AIX DWARF debugging sections
Message-ID: <20151013164523.GG3341@adacore.com>
References: <CAGWvnykS9J5cHfbDg4swVhXZdJ+Lzk7JQmikbPrXh2E4p-xshg@mail.gmail.com> <CADPb22Q1s4q7NCzUO5iLt0cT8ewH21RhmHTnyPh7AS=4nhFmsw@mail.gmail.com> <CAGWvnymgdDdzeKNDrjrwwTnO9dPrkcfJjOhJJn9RjGX_+BheJQ@mail.gmail.com> <20151010000433.GB3341@adacore.com> <CADPb22QmuPeP_QBDNWA4iSi1jsnTvAiAurV8HWGCAYnPoMr+wg@mail.gmail.com> <CAGWvnyn51SPQeHvS3xNmc+9J8VwXiL1d94uVR84z_=4EYwdF+Q@mail.gmail.com> <20151012155021.GC3341@adacore.com> <CAGWvny=kgerJJokbsBz=h=1icH90ePjRCHzpi+GM+_nbiiuhjQ@mail.gmail.com> <20151012183438.GE3341@adacore.com> <CAGWvny=suvd=yEC3WYd9YpsLaW_O+zCQSXBm=tfekeutyZ6xUQ@mail.gmail.com>
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> 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