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Re: support for dwarf AT_GNAT_descriptive_type

From: Olivier Hainque <hainque at adacore dot com>
To: Jason Merrill <jason at redhat dot com>
Cc: Joel Brobecker <brobecker at adacore dot com>, gcc-patches at gcc dot gnu dot org, guitton at adacore dot com
Date: Wed, 23 Feb 2011 18:26:22 +0100
Subject: Re: support for dwarf AT_GNAT_descriptive_type
References: <y2i04gyua4y38vwwkouqrfwm.1298477614423@email.android.com>

Jason Merrill wrote:
> That sounds fine.

 OK, thanks. Revised version attached. Retested fine (bootstrap + reg tests
 with languages=all,ada + check behavior improvement on testcase submitted
 at the beginning)

 Thanks in advance for your feedback,

 Olivier

 2011-02-23  Olivier Hainque  <hainque@adacore.com>
             Nicolas Setton  <setton@adacore.com>
             Eric Botcazou  <ebotcazou@adacore.com>

	gcc/
	* dwarf2out.c (dwarf_attr_name): Map DW_AT_GNAT_descriptive_type.
	(add_gnat_descriptive_type_attribute): New function.
	(gen_array_type_die): Call it where needed.
	(gen_enumeration_type_die): Likewise.
	(gen_struct_or_union_type_die): Likewise.
	(modified_type_die): Likewise.
	* langhooks.h (lang_hooks_for_types): New "descriptive_type" hook.
	* langhooks-def.h (LANG_HOOKS_DESCRIPTIVE_TYPE): Default to NULL_TREE.
	(LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_DESCRIPTIVE_TYPE.

	ada/
	* gcc-interface/misc.c (gnat_descriptive_type): New function.
	(LANG_HOOKS_DESCRIPTIVE_TYPE): Redefine to gnat_descriptive_type.

Attachment: dtypes2.dif
Description: video/dv

References:
- Re: [PING #5] add support for dwarf AT_descriptive_type
  - From: Jason Merrill

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