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except.c (add_eh_table_entry): Mark type_info's as referenced. 

gcc:
	* except.c (add_eh_table_entry): Mark type_info's as referenced.
gcc/cp:
	* rtti.c (get_tinfo_decl): Mark used.
	(emit_tinfo_decl): Don't optimize polymorphic type_info. Only
	mark as dealt with, if we output it.

From-SVN: r32799
This commit is contained in:
Nathan Sidwell 2000-03-29 08:22:21 +00:00 committed by Nathan Sidwell
parent ca36f0577c
commit 8a4451aa8d
4 changed files with 31 additions and 7 deletions
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4
gcc/ChangeLog
View File

@ -1,3 +1,7 @@
2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
* except.c (add_eh_table_entry): Mark type_info's as referenced.
2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
* config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi

6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
* rtti.c (get_tinfo_decl): Mark used.
(emit_tinfo_decl): Don't optimize polymorphic type_info. Only
mark as dealt with, if we output it.
2000-03-28 Mark Mitchell <mark@codesourcery.com>
* class.c: Reorganize to put virtual function table initialization

10
gcc/cp/rtti.c
View File

@ -435,6 +435,7 @@ get_tinfo_decl (type)
pushdecl_top_level (d);
/* Remember the type it is for. */
TREE_TYPE (name) = type;
TREE_USED (name) = 1;
}
return d;
}
@ -1933,16 +1934,11 @@ emit_tinfo_decl (decl_ptr, data)
tinfo_type = TREE_TYPE (DECL_NAME (tinfo_decl));
my_friendly_assert (tinfo_type != NULL_TREE, 20000120);
if (!DECL_NEEDED_P (tinfo_decl))
return 0;
/* Say we've dealt with it. */
TREE_TYPE (DECL_NAME (tinfo_decl)) = NULL_TREE;
if (!DECL_NEEDED_P (tinfo_decl))
return 0;
if (TREE_CODE (tinfo_type) == RECORD_TYPE && TYPE_POLYMORPHIC_P (tinfo_type)
&& !CLASSTYPE_VTABLE_NEEDS_WRITING (tinfo_type))
/* A polymorphic type only needs its type_info emitted when the vtable
is. */
return 0;
create_tinfo_types ();
decl = synthesize_tinfo_var (tinfo_type, DECL_ASSEMBLER_NAME (tinfo_decl));

18
gcc/except.c
View File

@ -2162,6 +2162,24 @@ add_eh_table_entry (n)
}
}
eh_table[eh_table_size++] = n;
if (flag_new_exceptions)
{
/* We will output the exception table late in the compilation. That
references type_info objects which should have already been output
by that time. We explicitly mark those objects as being
referenced now so we know to emit them. */
struct handler_info *handler = get_first_handler (n);
for (; handler; handler = handler->next)
if (handler->type_info && handler->type_info != CATCH_ALL_TYPE)
{
tree tinfo = (tree)handler->type_info;
tinfo = TREE_OPERAND (tinfo, 0);
TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (tinfo)) = 1;
}
}
#endif
}