path: root/gdb/ChangeLog.intercu

2004-04-01  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (struct dwarf2_cu): Add has_form_ref_addr and
	has_namespace_info.
	(dwarf2_read_abbrevs): Set the new flags.  Change return type back
	to void.  Update comments.
	(dwarf2_build_psymtabs_hard): Update call to dwarf2_read_abbrevs.
	Use new has_form_ref_addr flag.  Update call to
	scan_partial_symbols.
	(scan_partial_symbols, add_partial_symbol, add_partial_structure)
	(add_partial_enumeration, add_partial_namespace): Remove
	have_namespace_info argument.  Use new has_namespace_info CU flag.
	Update calls to changed functions.

2004-03-14  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (read_structure_type): Renamed from
	read_structure_scope.
	(process_enumeration_scope): Renamed from read_enumeration_scope.
	(add_partial_structure, process_die, new_symbol)
	(read_type_die): Update calls and comments.

2004-02-24  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (struct comp_unit_head): Remove dwarf2_abbrevs array.
	(struct dwarf2_cu): Add dwarf2_abbrevs pointer.  Update comment about
	comp_unit_head.
	(dwarf2_free_abbrev_table): Renamed from dwarf2_empty_abbrev_table.
	Clear the pointer abbrev table pointer.
	(dwarf2_build_psymtabs_hard, load_comp_unit, load_full_comp_unit):
	Update calls.
	(dwarf2_read_abbrevs): Update for moved dwarf2_abbrevs pointer.
	Allocate the hash table from the obstack.
	(dwarf2_lookup_abbrev): Update for moved dwarf2_abbrevs pointer.

2004-02-24  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (skip_leb128, peek_die_abbrev, skip_one_die)
	(skip_children, locate_pdi_sibling): Update comments and
	clean up.

2004-02-24  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (free_one_comp_unit): Update signature so it can be
	used as a cleanup.  Clear the per_cu pointer.  Add some comments.
	(free_one_cached_comp_unit): Update signature so it can be used
	as a cleanup.  Remove unused argument.
	(dwarf2_build_psymtabs_hard): Update call to
	free_one_cached_comp_unit.  Don't free the obstack here.
	(process_queue): Keep dwarf2_queue up to date as we remove items
	from the queue.
	(dwarf2_release_queue): New function.
	(psymtab_to_symtab_1): Use cleanups.
	(load_full_comp_unit): Likewise.
	(free_comp_units_worker): Remove clearing of the cu pointer.
	(clear_per_cu_pointer): Also free the partial_die_obstack.  Update
	comments.

2004-02-23  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (MAX_CACHE_AGE): Lower to 5.
	(struct dwarf2_cu): Add dependencies and mark fields.
	(free_one_comp_unit): New function, broken out from
	free_comp_units_worker.
	(dwarf2_add_dependence, dwarf2_clear_marks, dwarf2_mark)
	(dwarf2_mark_helper): New functions.
	(psymtab_to_symtab_1): Call free_one_comp_unit.  Re-enable
	aging.
	(read_full_die): Call dwarf2_add_dependence.
	(free_comp_units_worker): Call free_one_comp_unit.  Use
	marking to free old comp units.

2004-02-23  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (struct dwarf2_cu): Add dies.
	(struct dwarf2_per_cu_data): Shrink length field to add new
	queued flag.
	(make_cleanup_free_die_list, do_free_die_list_cleanup): Remove.
	(dwarf_alloc_block): Take a dwarf2_cu argument.  Allocate
	blocks on the partial_die_obstack.
	(dwarf2_find_comp_unit_psymtab, struct dwarf2_queue_item)
	(dwarf2_queue, queue_comp_unit, process_queue): New.
	(load_full_comp_unit, process_full_comp_unit): New functions,
	split from psymtab_to_symtab_1.
	(psymtab_to_symtab_1): Remove.
	(dwarf2_build_psymtabs_hard): Initialize the whole dwarf2_cu
	structure.  Cache the psymtab if we have a per_cu structure.
	(load_comp_unit): Initialize the whole dwarf2_cu structure.
	(dwarf2_psymtab_to_symtab): Restore dwarf2_per_objfile here.
	(read_full_die): Queue compilation units for references.
	(read_attribute_value): Update calls to dwarf_alloc_block.
	(follow_die_ref): Follow inter-complation-unit references.
	(free_comp_units_worker): Free the die list.
	(get_die_type): Take the hash table as an argument.
	(reset_die_and_siblings_types): Don't try to restore types
	if none were saved.

2004-02-23  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (struct dwarf2_per_objfile_data): Add comment
	for cu_tree.  Add read_in_chain.
	(age_cached_comp_units): New function.
	(clear_per_cu_pointer): Clear the pointer ourself.  Call
	age_cached_comp_units.
	(free_cached_comp_units, free_one_cached_comp_unit): Update call to
	free_comp_units_worker.
	(dwarf2_build_psymtabs_hard): Use the per-objfile read_in_chain.
	(find_partial_die): Likewise.
	(free_comp_units_worker): Don't try to clear the per_cu pointer
	for the list head.  Remove now-unused argument.  Use the per-objfile
	read_in_chain.

2004-02-23  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (dwarf2_read_abbrevs): Return 1 for DW_FORM_indirect
	also.

2004-02-23  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (dwarf2_read_abbrevs): Return 1 iff we saw any
	DW_FORM_ref_addr tags.
	(create_comp_unit_tree): Add prototype.  Take an objfile instead
	of a compilation unit.
	(dwarf2_build_psymtabs_hard): Build the compilation unit tree
	as soon as we find an inter-CU reference.  Update call to
	create_comp_unit_tree.
	(dwarf2_find_containing_comp_unit): Don't create the tree here.
	(psymtab_to_symtab_1): Update to support no tree having been built.
	(set_die_type): Likewise.

2004-02-23  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (dwarf2_per_objfile_data): New.
	(struct dwarf2_per_objfile_data): New.
	(dwarf2_per_objfile): New.
	(dwarf_info_size, dwarf_abbrev_size, dwarf_line_size)
	(dwarf_pubnames_size, dwarf_aranges_size, dwarf_loc_size)
	(dwarf_macinfo_size, dwarf_str_size, dwarf_ranges_size)
	(dwarf_frame_size, dwarf_eh_frame_size, dwarf_info_buffer)
	(dwarf_abbrev_buffer, dwarf_line_buffer, dwarf_str_buffer)
	(dwarf_macinfo_buffer, dwarf_ranges_buffer, dwarf_loc_buffer):
	Replace with macros.
	(dwarf2_cu_tree): Remove.
	(struct dwarf2_pinfo): Remove per-objfile members.
	(DWARF_INFO_SIZE, DWARF_ABBREV_SIZE, DWARF_LINE_SIZE)
	(DWARF_LOC_SIZE, DWARF_MACINFO_SIZE, DWARF_STR_SIZE)
	(DWARF_RANGES_SIZE, DWARF_INFO_BUFFER)
	(DWARF_ABBREV_BUFFER, DWARF_LINE_BUFFER, DWARF_STR_BUFFER)
	(DWARF_MACINFO_BUFFER, DWARF_RANGES_BUFFER, DWARF_LOC_BUFFER):
	Remove macros.
	(dwarf2_has_info): Take an objfile argument.  Allocate per-objfile
	data.
	(dwarf2_build_psymtabs_hard): Remove use of removed macros.  Fetch
	cu_tree from dwarf2_per_objfile.
	(create_comp_unit_tree): Save cu_tree in dwarf2_per_objfile.
	(psymtab_to_symtab_1): Restore per-objfile data pointer.  Remove use
	of removed macros.
	(dwarf2_find_containing_comp_unit): Fetch cu_tree from
	dwarf2_per_objfile.
	(_initialize_dwarf2_read): Register dwarf2_per_objfile_data instead
	of dwarf2_cu_tree.
	* symfile.h (dwarf2_has_info): Update prototype.
	* coffread.c (coff_symfile_read): Update call to dwarf2_has_info.
	* elfread.c (elf_symfile_read): Likewise.

2004-02-23  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (struct dwarf2_per_cu_data): Add psymtab member.
	(struct dwarf2_pinfo): Add dwarf_info_size and type_hash.
	Rearrange and update comments.
	(DWARF_INFO_SIZE): Define.
	(set_die_type, get_die_type, reset_die_and_siblings_types): New
	fucntions.
	(dwarf2_build_psymtabs_hard): Save dwarf_info_size.  Initialize
	type_hash.
	(psymtab_to_symtab_1): Restore dwarf_info_size.  Create per_cu
	data for the current compilation unit.
	(read_structure_scope, read_enumeration_type, read_array_type)
	(read_tag_pointer_type, read_tag_ptr_to_member_type)
	(read_tag_reference_type, read_tag_const_type)
	(read_tag_volatile_type, read_tag_string_type)
	(read_subroutine_type, read_typedef, read_base_type): Call
	set_die_type.
	(read_subrange_type): Likewise.  Use dwarf2_attr_with_cu, since
	array bounds may be DIE references.
	(struct dwarf2_offset_and_type, offset_and_type_hash)
	(offset_and_type_eq): New.

2004-02-23  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (REF_HASH_SIZE): Move above struct dwarf2_cu.
	(struct dwarf2_cu): Add die_ref_table.
	(die_ref_table): Delete static variable.
	(store_in_ref_table): Take a comp unit argument and use its
	die_ref_table.
	(dwarf2_empty_hash_tables): Likewise.
	(read_comp_unit): Update call to dwarf2_empty_hash_tables.
	(read_die_and_children): Update call to store_in_ref_table.
	(follow_die_ref): Use the comp unit's die_ref_table.

2004-02-23  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (read_structure_scope): Don't create a symbol
	or call process_die.  Return immediately if die->type is set.
	Call read_type_die before dwarf2_add_member_fn.
	(process_structure_scope): New function.
	(read_enumeration_type, read_enumeration_scope): New functions,
	broken out from read_enumeration.  Don't create the enumeration
	type if it has already been created.
	(read_enumeration): Removed.
	(process_die): Call process_structure_scope, read_enumeration_type,
	and read_enumeration_scope.  Just call new_symbol for base and
	subrange types.  Add a comment about other type dies.
	(read_type_die): Call read_enumeration_type.

2004-02-22  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (dwarf2_attr_with_cu): New function, renamed
	from dwarf2_attr.  Also return the compilation unit associated
	with the attribute if we have followed a reference.  Complain
	if we return a reference attribute and the caller does not want
	the target compilation unit.
	(dwarf2_attr): Call dwarf2_attr_with_cu.
	(die_specification, dwarf2_extension): Also return a compilation
	unit.
	(follow_die_ref): Take attribute and compilation unit arguments.
	Call dwarf2_get_ref_die_offset.  Also return the target
	compilation unit.
	(read_func_scope, read_structure_scope): Update calls to
	die_specification.  Use the result.
	(read_namespace): Update call to dwarf2_extension.
	(namespace_name): Likewise.  Use the result.
	(new_symbol): Call dwarf2_attr_with_cu to check for DIE type.
	(die_type): Likewise.  Update call to follow_die_ref.  Use the
	results.
	(dwarf2_add_member_fn, read_structure_scope): Likewise for
	DW_AT_containing_type.
	(die_containing_type): Likewise.
	(die_is_declaration): Likewise for DW_AT_specification.

2004-02-22  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (MAX_CACHE_AGE): Define.
	(struct dwarf2_cu): Add last_used counter.
	(free_comp_units_worker): New function, based on
	clear_per_cu_pointer.  Support aging.
	(clear_per_cu_pointer): Use it.
	(free_cached_comp_units, free_one_cached_comp_unit): New functions.
	(dwarf2_build_psymtabs_hard): Keep read_in_chain across iterations.
	Free all cached comp units after building psymtabs.  Free any cached
	copy of a comp unit before building a psymtab for it.
	(find_partial_die): Clear the last_used counter.

2004-02-22  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (partial_die_full_name): Always return NULL or
	malloc'd memory.  Don't try to free real_parent->full_name.

2004-02-22  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (struct dwarf2_cu): Add read_in_chain and per_cu.
	(dwarf2_cu_tree): New variable.
	(struct dwarf2_per_cu_data): New type.
	(struct partial_die_info): Remove abbrev.  Make tag a bitfield.  Add
	full_name_set.
	(load_partial_dies): Take a flag indicating whether we are building
	a psymtab.
	(find_partial_die_in_comp_unit): Rename frome find_partial_die.
	(find_partial_die): New function to support inter-CU references.
	Return the CU of the found DIE.
	(splay_tree_obstack_allocate): Remove #if 0.
	(partial_read_comp_unit_head): New function, broken out from
	dwarf2_build_psymtabs_hard.
	(dwarf2_build_psymtabs_hard): Remove unused variable abbrev_ptr.
	Add the current CU to the splay tree if the tree already exists.
	Update call to load_partial_dies.
	(partial_die_full_name): Rewrite to support inter-CU references.
	(add_partial_symbol): Check and set pdi->full_name_set.
	(fixup_partial_die): Support inter-CU references.
	(dwarf2_find_containing_comp_unit, clear_per_cu_pointer)
	(load_comp_unit, create_comp_unit_tree, _initialize_dwarf2_read): New
	functions.

2004-02-22  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (partial_die_full_name): Remove allocate argument,
	always use concat.
	(add_partial_symbol): Copy the name from the psymbol.

2004-02-21  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (struct partial_die_info): Add full_name.
	(scan_partial_symbols, add_partial_symbol, add_partial_structure)
	(add_partial_enumeration): Change namespace argument to
	have_namespace_info flag.  Move DW_TAG_namespace handling to
	add_partial_symbol.  Update comments.
	(pdi_needs_namespace): Remove namespace argument.  Handle
	DW_TAG_namespace.
	(partial_determine_prefix, partial_determine_prefix_aux): Remove.
	(dwarf2_build_psymtabs_hard): Update call to scan_partial_symbols.
	(partial_die_full_name): New function.
	(load_partial_die): Correct comment formatting.  Don't handle
	DW_TAG_enumeration_type.
	(load_partial_dies): Correct comment formatting.

2004-02-21  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (load_partial_dies): Check for NULL name before
	adding types.

2004-02-21  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (maybe_specification_partial_die): Removed.
	(is_type_tag_for_partial): Renamed from is_type_tag.  Remove
	some tags.
	(load_partial_dies): Call is_type_tag_for_partial.  Handle simple
	DIEs early.

2004-02-21  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (scan_partial_symbols): Don't return anything.  Take
	a DIE argument instead of an info_ptr.
	(add_partial_namespace, add_partial_structure)
	add_partial_enumeration): Likewise.
	(load_partial_dies): Return the first interesting DIE.
	Do not add DIEs to the hash table if we aren't going to look them
	up.
	(dwarf2_build_psymtabs_hard): Adjust call to scan_partial_symbols.

2004-02-21  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (peek_die_abbrev): Add prototype.
	(load_partial_die): Take an abbrev and its uleb128 length as
	arguments.
	(dwarf2_build_psymtabs_hard): Adjust call to load_partial_die.
	(load_partial_dies): Likewise.

2004-02-21  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (splay_tree_obstack_allocate): Disable.
	(add_partial_symbol): Fix a warning.
	(fixup_partial_die): Recurse if necessary.

2004-02-21  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (partial_determine_prefix)
	(partial_determine_prefix_aux): New functions.
	(add_partial_symbol): Call partial_determine_prefix.
	(add_partial_structure): Remove workaround for DW_AT_specification.
	(load_partial_die): Save DW_AT_extension.
	(determine_prefix_aux): Reuse the return value of dwarf2_name.

2004-02-21  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (load_partial_dies): Follow unions.  Follow
	aggregates for all non-C languages.

2004-02-21  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (dwarf2_build_psymtabs_hard): Estimate the initial
	size of the hash table.

2004-02-21  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (struct dwarf2_cu): Add abbrev_obstack.
	(struct abbrev_info): Shorten two int flags.
	(dwarf_alloc_abbrev): Take a CU argument.
	(dwarf2_build_psymtabs_hard): Call dwarf2_empty_abbrev_table
	each time through the loop.  Update cleanup argument.
	(psymtab_to_symtab_1): Update cleanup argument.
	(dwarf2_read_abbrevs, dwarf2_alloc_abbrev): Allocate on the
	abbrev_obstack.
	(dwarf2_empty_abbrev_table): Just call obstack_free.

2004-02-21  Daniel Jacobowitz  <drow@mvista.com>

	* Makefile.in (hashtab_h): Add.
	(dwarf2read.o): Update dependencies.
	* dwarf2read.c: Include "hashtab.h".
	(struct dwarf2_cu): Change partial_dies to an htab_t.
	(hash_obstack_allocate, partial_die_hash, partial_die_eq): New
	functions.
	(dwarf2_build_psymtabs_hard): Call htab_create_alloc_ex.
	(load_partial_dies): Call htab_find_slot_with_hash.
	(find_partial_die): Call htab_find_with_hash.

2004-02-21  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (struct partial_die_info): Use bitfields and
	rearrange members for packing.  Replace spec_attr with spec_offset.
	(load_partial_dies): Only follow structures for C++.
	(load_partial_die): Use memset.  Save specification attributes
	only as offsets.
	(fixup_partial_die): Adjust to use spec_offset.

2004-02-21  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (struct dwarf2_cu): Add partial_die_obstack.
	(splay_tree_obstack_allocate, splay_tree_obstack_deallocate): New
	functions.
	(dwarf2_build_psymtabs_hard): Use splay_tree_new_with_allocator
	and obstack_free to manage partial_dies.
	(load_partial_dies): Allocate partial DIEs on the obstack.  Don't
	initialize the splay tree here.

2004-02-21  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (skip_leb128, peek_die_abbrev, skip_one_die)
	(skip_children): New functions.
	(locate_pdi_sibling): Call skip_children.
	(load_partial_dies): Use peek_die_abbrev and skip_one_die.

2004-02-21  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c (find_partial_die, fixup_partial_die): New functions,
	broken out from read_partial_die.
	(read_partial_die): Remove function.
	(dwarf2_build_psymtabs_hard): Update comments.
	(scan_partial_symbols): Use the new functions.  Reduce copying of
	partial DIEs.

2004-02-21  Daniel Jacobowitz  <drow@mvista.com>

	* dwarf2read.c: Include "splay-tree.h".
	(struct dwarf2_cu): Add splay tree for partial DIEs.
	(struct partial_die_info): Move after struct attribute.
	Add has_specification, spec_attr, die_parent, die_child,
	and die_sibling fields.
	(load_partial_dies): New function.
	(load_partial_die): New function, broken out from read_partial_die.
	Correct setting of part_die->offset.  Save any specification
	attributes for later.
	(read_partial_die): Look up DIEs in the splay tree.
	(dwarf2_build_psymtabs_hard): Initialize partial_dies.  Call
	load_partial_die to read in the compilation unit DIE.  Call
	load_partial_dies.  Free the splay tree after use.
	(scan_partial_symbols): Follow the die_sibling chain.
	(add_partial_structure): Use die_child and die_sibling instead of
	read_partial_die and locate_pdi_sibling.
	(add_partial_enumeration): Likewise.
	(locate_pdi_sibling): Use load_partial_die instead of
	read_partial_die.
	(is_type_tag): New function.

	* Makefile.in (dwarf2read.o): Update dependencies.