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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.
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