re PR debug/7081 (DWARF enhancements for C++)

gcc/ChangeLog:
PR debug/7081
* dwarf2out.c (dwarf_tag_name): Synchronize with dwarf2.h.
(is_type_die): Cover interface types.
(class_or_namespace_scope_p): Cover interface and class types.
(record_type_tag): New.
(gen_inlined_structure_type_die): Use it.
(gen_struct_or_union_type_die): Likewise.
(prune_unused_types_walk): Cover interface types.
* langhooks.h (classify_record): New enum.
(classify_record): New member in struct langhooks_for_types.
* langhooks-def.h (LANG_HOOKS_CLASSIFY_RECORD): New.
(LANGHOOKS_FOR_TYPES_INITIALIZER): Adjust.
gcc/cp/ChangeLog:
PR debug/7081
* cp-lang.c (cp_classify_record): New.
(LANG_HOOKS_CLASSIFY_RECORD): Override.
gcc/java/ChangeLog:
PR debug/7081
* lang.c (java_classify_record): New.
(LANG_HOOKS_CLASSIFY_RECORD): Override.

From-SVN: r130960
This commit is contained in:
Alexandre Oliva 2007-12-15 20:19:23 +00:00 committed by Alexandre Oliva
parent d2f08d9879
commit 394d9fe79e
8 changed files with 113 additions and 4 deletions

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@ -1,3 +1,18 @@
2007-12-15 Alexandre Oliva <aoliva@redhat.com>
PR debug/7081
* dwarf2out.c (dwarf_tag_name): Synchronize with dwarf2.h.
(is_type_die): Cover interface types.
(class_or_namespace_scope_p): Cover interface and class types.
(record_type_tag): New.
(gen_inlined_structure_type_die): Use it.
(gen_struct_or_union_type_die): Likewise.
(prune_unused_types_walk): Cover interface types.
* langhooks.h (classify_record): New enum.
(classify_record): New member in struct langhooks_for_types.
* langhooks-def.h (LANG_HOOKS_CLASSIFY_RECORD): New.
(LANGHOOKS_FOR_TYPES_INITIALIZER): Adjust.
2007-12-15 Alexandre Oliva <aoliva@redhat.com>
* dwarf2out.c (reference_to_unused): Don't emit strings in

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@ -1,3 +1,9 @@
2007-12-15 Alexandre Oliva <aoliva@redhat.com>
PR debug/7081
* cp-lang.c (cp_classify_record): New.
(LANG_HOOKS_CLASSIFY_RECORD): Override.
2007-12-11 Jakub Jelinek <jakub@redhat.com>
PR c++/34238

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@ -36,6 +36,7 @@ along with GCC; see the file COPYING3. If not see
enum c_language_kind c_language = clk_cxx;
static void cp_init_ts (void);
static const char * cxx_dwarf_name (tree t, int verbosity);
static enum classify_record cp_classify_record (tree type);
/* Lang hooks common to C++ and ObjC++ are declared in cp/cp-objcp-common.h;
consequently, there should be very few hooks below. */
@ -44,6 +45,8 @@ static const char * cxx_dwarf_name (tree t, int verbosity);
#define LANG_HOOKS_NAME "GNU C++"
#undef LANG_HOOKS_INIT
#define LANG_HOOKS_INIT cxx_init
#undef LANG_HOOKS_CLASSIFY_RECORD
#define LANG_HOOKS_CLASSIFY_RECORD cp_classify_record
#undef LANG_HOOKS_GENERIC_TYPE_P
#define LANG_HOOKS_GENERIC_TYPE_P class_tmpl_impl_spec_p
#undef LANG_HOOKS_DECL_PRINTABLE_NAME
@ -153,6 +156,15 @@ cxx_dwarf_name (tree t, int verbosity)
return cxx_printable_name (t, verbosity);
}
static enum classify_record
cp_classify_record (tree type)
{
if (CLASSTYPE_DECLARED_CLASS (type))
return RECORD_IS_CLASS;
return RECORD_IS_STRUCT;
}
void
finish_file (void)
{

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@ -4562,8 +4562,6 @@ dwarf_tag_name (unsigned int tag)
return "DW_TAG_namelist";
case DW_TAG_namelist_item:
return "DW_TAG_namelist_item";
case DW_TAG_namespace:
return "DW_TAG_namespace";
case DW_TAG_packed_type:
return "DW_TAG_packed_type";
case DW_TAG_subprogram:
@ -4582,8 +4580,26 @@ dwarf_tag_name (unsigned int tag)
return "DW_TAG_variable";
case DW_TAG_volatile_type:
return "DW_TAG_volatile_type";
case DW_TAG_dwarf_procedure:
return "DW_TAG_dwarf_procedure";
case DW_TAG_restrict_type:
return "DW_TAG_restrict_type";
case DW_TAG_interface_type:
return "DW_TAG_interface_type";
case DW_TAG_namespace:
return "DW_TAG_namespace";
case DW_TAG_imported_module:
return "DW_TAG_imported_module";
case DW_TAG_unspecified_type:
return "DW_TAG_unspecified_type";
case DW_TAG_partial_unit:
return "DW_TAG_partial_unit";
case DW_TAG_imported_unit:
return "DW_TAG_imported_unit";
case DW_TAG_condition:
return "DW_TAG_condition";
case DW_TAG_shared_type:
return "DW_TAG_shared_type";
case DW_TAG_MIPS_loop:
return "DW_TAG_MIPS_loop";
case DW_TAG_format_label:
@ -6301,6 +6317,7 @@ is_type_die (dw_die_ref die)
{
case DW_TAG_array_type:
case DW_TAG_class_type:
case DW_TAG_interface_type:
case DW_TAG_enumeration_type:
case DW_TAG_pointer_type:
case DW_TAG_reference_type:
@ -11475,6 +11492,8 @@ class_or_namespace_scope_p (dw_die_ref context_die)
{
return (context_die
&& (context_die->die_tag == DW_TAG_structure_type
|| context_die->die_tag == DW_TAG_class_type
|| context_die->die_tag == DW_TAG_interface_type
|| context_die->die_tag == DW_TAG_union_type
|| context_die->die_tag == DW_TAG_namespace));
}
@ -11893,12 +11912,36 @@ gen_inlined_enumeration_type_die (tree type, dw_die_ref context_die)
add_abstract_origin_attribute (type_die, type);
}
/* Determine what tag to use for a record type. */
static enum dwarf_tag
record_type_tag (tree type)
{
if (! lang_hooks.types.classify_record)
return DW_TAG_structure_type;
switch (lang_hooks.types.classify_record (type))
{
case RECORD_IS_STRUCT:
return DW_TAG_structure_type;
case RECORD_IS_CLASS:
return DW_TAG_class_type;
case RECORD_IS_INTERFACE:
return DW_TAG_interface_type;
default:
gcc_unreachable ();
}
}
/* Generate a DIE to represent an inlined instance of a structure type. */
static void
gen_inlined_structure_type_die (tree type, dw_die_ref context_die)
{
dw_die_ref type_die = new_die (DW_TAG_structure_type, context_die, type);
dw_die_ref type_die = new_die (record_type_tag (type), context_die, type);
/* We do not check for TREE_ASM_WRITTEN (type) being set, as the type may
be incomplete and such types are not marked. */
@ -13099,7 +13142,7 @@ gen_struct_or_union_type_die (tree type, dw_die_ref context_die,
dw_die_ref old_die = type_die;
type_die = new_die (TREE_CODE (type) == RECORD_TYPE
? DW_TAG_structure_type : DW_TAG_union_type,
? record_type_tag (type) : DW_TAG_union_type,
scope_die, type);
equate_type_number_to_die (type, type_die);
if (old_die)
@ -14773,6 +14816,7 @@ prune_unused_types_walk (dw_die_ref die)
case DW_TAG_structure_type:
case DW_TAG_union_type:
case DW_TAG_class_type:
case DW_TAG_interface_type:
case DW_TAG_friend:
case DW_TAG_variant_part:
case DW_TAG_enumeration_type:

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@ -1,3 +1,9 @@
2007-12-15 Alexandre Oliva <aoliva@redhat.com>
PR debug/7081
* lang.c (java_classify_record): New.
(LANG_HOOKS_CLASSIFY_RECORD): Override.
2007-11-26 Andreas Krebbel <krebbel1@de.ibm.com>
PR 34081/C++

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@ -64,6 +64,8 @@ static bool java_decl_ok_for_sibcall (const_tree);
static tree java_get_callee_fndecl (const_tree);
static void java_clear_binding_stack (void);
static enum classify_record java_classify_record (tree type);
#ifndef TARGET_OBJECT_SUFFIX
# define TARGET_OBJECT_SUFFIX ".o"
#endif
@ -180,6 +182,8 @@ struct language_function GTY(())
#define LANG_HOOKS_TYPE_FOR_MODE java_type_for_mode
#undef LANG_HOOKS_TYPE_FOR_SIZE
#define LANG_HOOKS_TYPE_FOR_SIZE java_type_for_size
#undef LANG_HOOKS_CLASSIFY_RECORD
#define LANG_HOOKS_CLASSIFY_RECORD java_classify_record
#undef LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN
#define LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN java_dump_tree
@ -955,4 +959,16 @@ java_clear_binding_stack (void)
poplevel (0, 0, 0);
}
static enum classify_record
java_classify_record (tree type)
{
if (! CLASS_P (type))
return RECORD_IS_STRUCT;
if (CLASS_INTERFACE (TYPE_NAME (type)))
return RECORD_IS_INTERFACE;
return RECORD_IS_CLASS;
}
#include "gt-java-lang.h"

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@ -172,6 +172,7 @@ extern tree lhd_make_node (enum tree_code);
/* Types hooks. There are no reasonable defaults for most of them,
so we create a compile-time error instead. */
#define LANG_HOOKS_MAKE_TYPE lhd_make_node
#define LANG_HOOKS_CLASSIFY_RECORD NULL
#define LANG_HOOKS_INCOMPLETE_TYPE_ERROR lhd_incomplete_type_error
#define LANG_HOOKS_GENERIC_TYPE_P hook_bool_const_tree_false
#define LANG_HOOKS_TYPE_PROMOTES_TO lhd_type_promotes_to
@ -185,6 +186,7 @@ extern tree lhd_make_node (enum tree_code);
#define LANG_HOOKS_FOR_TYPES_INITIALIZER { \
LANG_HOOKS_MAKE_TYPE, \
LANG_HOOKS_CLASSIFY_RECORD, \
LANG_HOOKS_TYPE_FOR_MODE, \
LANG_HOOKS_TYPE_FOR_SIZE, \
LANG_HOOKS_GENERIC_TYPE_P, \

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@ -33,6 +33,9 @@ struct array_descr_info;
/* A print hook for print_tree (). */
typedef void (*lang_print_tree_hook) (FILE *, tree, int indent);
enum classify_record
{ RECORD_IS_STRUCT, RECORD_IS_CLASS, RECORD_IS_INTERFACE };
/* The following hooks are documented in langhooks.c. Must not be
NULL. */
@ -91,6 +94,11 @@ struct lang_hooks_for_types
language-specific processing is required. */
tree (*make_type) (enum tree_code);
/* Return what kind of RECORD_TYPE this is, mainly for purposes of
debug information. If not defined, record types are assumed to
be structures. */
enum classify_record (*classify_record) (tree);
/* Given MODE and UNSIGNEDP, return a suitable type-tree with that
mode. */
tree (*type_for_mode) (enum machine_mode, int);