toplev.c (general_init): Call register dump lang hook.

	LANG_HOOK_REGISTER_DUMPS
	gcc/
	* toplev.c (general_init): Call	register dump lang hook.
	* doc/invoke.texi: Document -fdump-lang option family.
	* dumpfile.c (dump_files): Remove class dump here.
	(FIRST_AUTO_NUMBERED_DUMP): Adjust.
	* dumpfile.h (tree_dump_index): Remove TDI_class.
	* langhooks-def.h (lhd_register_dumps): Declare.
	(LANG_HOOKS_REGISTER_DUMPS): Define.
	(LANG_HOOKS_INITIALIZER): Add it.
	* langhooks.c (lhd_register_dumps): Define.
	* langhooks.h (struct lang_hooks): Add register_dumps.
	c-family/
	* c-opts.c (class_dump_file, class_dump_flags): Delete.
	(c_common_parse_file): Remove class dump handling.
	(get_dump_info): Likewise.
	cp/
	* class.c (class_dump_id): Define.
	(dump_class_hierarchy, dump_vtable, dump_vtt): Use it.
	* cp-objcp-common.c (cp_register_dumps): New.
	* cp-objcp-common.h (cp_register_dumps): Declare.
	(LANG_HOOKS_REGISTER_DUMPS): Override.
	* cp-tree.h (class_dump_id): Declare.
	testsuite/
	* g++.dg/inherit/covariant7.C: Adjust.

From-SVN: r248271

1 files changed, 22 insertions, 11 deletions

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 715830a..4b7304e 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -544,6 +544,9 @@ Objective-C and Objective-C++ Dialects}.
 -fdump-final-insns@r{[}=@var{file}@r{]}
 -fdump-ipa-all  -fdump-ipa-cgraph  -fdump-ipa-inline @gol
 -fdump-lang-all @gol
+-fdump-lang-@var{switch} @gol
+-fdump-lang-@var{switch}-@var{options} @gol
+-fdump-lang-@var{switch}-@var{options}=@var{filename} @gol
 -fdump-passes @gol
 -fdump-rtl-@var{pass}  -fdump-rtl-@var{pass}=@var{filename} @gol
 -fdump-statistics @gol
@@ -12940,16 +12943,6 @@ When doing debugging dumps (see @option{-d} option above), suppress
 instruction numbers for the links to the previous and next instructions
 in a sequence.
 
-@item -fdump-class-hierarchy @r{(C++ only)}
-@itemx -fdump-class-hierarchy-@var{options} @r{(C++ only)}
-@opindex fdump-class-hierarchy
-Dump a representation of each class's hierarchy and virtual function
-table layout to a file.  The file name is made by appending
-@file{.class} to the source file name, and the file is created in the
-same directory as the output file.  If the @samp{-@var{options}} form
-is used, @var{options} controls the details of the dump as described
-for the @option{-fdump-tree} options.
-
 @item -fdump-ipa-@var{switch}
 @opindex fdump-ipa
 Control the dumping at various stages of inter-procedural analysis
@@ -12972,8 +12965,26 @@ Dump after function inlining.
 @end table
 
 @item -fdump-lang-all
+@itemx -fdump-lang-@var{switch}
+@itemx -fdump-lang-@var{switch}-@var{options}
+@itemx -fdump-lang-@var{switch}-@var{options}=@var{filename}
 @opindex fdump-lang-all
-Control the dumping of language-specific information.
+@opindex fdump-lang
+Control the dumping of language-specific information.  The @var{options}
+and @var{filename} portions behave as described in the
+`@option{-fdump-tree} option.  The following @var{switch} values are
+accepted:
+
+@table @samp
+@item all
+
+Enable all language-specific dumps.
+
+@item class
+Dump class hierarchy information.  Virtual table information is emitted
+unless '@option{slim}' is specified.  This option is applicable to C++ only.
+
+@end table
 
 @item -fdump-passes
 @opindex fdump-passes