Patch for PR c++/1520:
* dwarf2read.c (read_func_scope): Set processing_current_prefix
properly if we have a specification die.
(determine_prefix_aux): Rename from determine_prefix.
(determine_prefix): Like the old determine_prefix, but never
returns NULL.
* dwarf2read.c (psymtab_to_symtab_1): Calculate lowpc, highpc via
get_scope_pc_bounds.
(read_file_scope): Ditto.
(get_scope_pc_bounds): New function, produced by extracting code
from the above two functions, consolidating it, and adding support
for DW_TAG_namespace.
Delete, no longer used.
(read_subrange_type): New function, mostly extracted from
read_array_type().
(read_array_type): Replace extracted code by call to
read_subrange_type().
(dwarf2_get_attr_constant_value): New function.
(scan_partial_symbols): Add handling for DW_TAG_subrange_type.
(add_partial_symbol): Likewise.
(process_die): Likewise.
(new_symbol): Likewise.
(read_type_die): Likewise.
Change symbols for C++ nested types to contain the fully qualified
name, if possible. (At least in the DWARF-2 case.) Partial fix
for PR's c++/57, c++/488, c++/539, c++/573, c++/609, c++/832,
c++/895.
* c-exp.y: Update copyright:
(qualified_type): Handle types nested within classes.
* cp-namespace.c: Update comments.
(cp_set_block_scope): Delete #if 0.
(cp_lookup_nested_type): Handle types nested within classes.
* dwarf2read.c: (scan_partial_symbols): Call add_partial_structure
when appropriate.
(add_partial_symbol): Add the name of the enclosing namespace to
types.
(pdi_needs_namespace): New.
(add_partial_namespace): Tweak comment.
(add_partial_structure): New.
(psymtab_to_symtab_1): Initialize processing_current_prefix
here...
(process_die): instead of here.
(read_structure_scope): Try to figure out the name of the class or
namespace that the structure might be defined within.
(read_enumeration): Generate fully-qualified names, if possible.
(read_namespace): Don't set name to NULL.
(die_specification): New.
(new_symbol): Generate fully-qualified names for types.
(read_type_die): Determine appropriate prefix.
(determine_prefix): New.
(typename_concat): New.
(class_name): New.
* valops.c: Update copyright.
(value_aggregate_elt): Pass NOSIDE to
value_struct_elt_for_reference.
(value_struct_elt_for_reference): Make static, add NOSIDE
parameter, call value_maybe_namespace_elt as a last resort.
(value_namespace_elt): Break out code into
value_maybe_namespace_elt.
(value_maybe_namespace_elt): New.
2004-01-14 David Carlton <carlton@kealia.com>
* gdb.cp/namespace.exp: Add tests involving classes defined within
namespaces.
* gdb.cp/namespace.cc (C::CClass): New.
* gdb.cp/namespace1.cc: Update copyright.
(C::OtherFileClass): New.
Checked in by Elena Zannoni <ezannoni@redhat.com>.
* dwarf2read.c (read_namespace): Pull out name-generating code
into namespace_name. Rename previous_namespace to previous_prefix
and processing_current_namespace to processing_current_prefix..
(namespace_name): New function.
(add_partial_symbol): Substitute uses of pdi->name with
actual_name.
* cp-support.h: Rename processing_current_namespace to
processing_current_prefix.
Update copyright year.
* cp-namespace.c: Rename processing_current_namespace to
processing_current_prefix.
Update copyright year.
(frame_base_offset): Delete.
(read_func_scope): Delete call to decode_locdesc.
(decode_locdesc): Update comments. Don't set the removed variables.
Complain for DW_OP_reg* not at the end. Remove DW_OP_breg* and
DW_OP_fbreg support.
* dwarf2read.c (struct die_info): Add 'parent' field; replace
'has_children' and 'next' by 'child' and 'sibling'.
(read_comp_unit): Rework algorithm, breaking body into
read_die_and_children and read_die_and_siblings.
(read_die_and_children, read_die_and_siblings): New.
(read_full_die): Add 'has_children' argument; set it instead of
the die's 'has_children' field. Minor formatting cleanup.
(free_die_list): Use die->child and die->sibling instead of
die->next.
(dump_die_list): Ditto.
(sibling_die): Use die->sibling.
(psymtab_to_symtab_1): Use die's 'child' field in place of its
'has_children' and 'next' fields.
(process_die, read_file_scope, read_func_scope)
(read_lexical_block_scope, read_structure_scope)
(read_enumeration, read_array_type, read_common_block)
(read_namespace, read_subroutine_type, dump_die): Ditto.
array of unspecified length, make sure to choose the upper bound
so that the array's total length comes out to be zero --- that's
how we represent such arrays.
* dwarf2read.c (dwarf2_build_psymtabs_hard): Move lowpc and
highpc initialization here out of scan_partial_symbols.
(scan_partial_symbols): Restructure into a recursive version,
calling add_partial_namespace and add_partial_enumeration when
appropriate.
(add_partial_namespace): New.
(add_partial_enumeration, locate_pdi_sibling): Ditto.
* findvar.c (read_var_value): Remove case for thread local storage
variables. It is now entirely handled by the dwarf2 location
expression code.
* printcmd.c (address_info): Ditto.
* symtab.h (address_class): Remove LOC_THREAD_LOCAL_STATIC
enumeration value.
(struct symbol): Remove objfile field, which was used by
LOC_THREAD_LOCAL_STATIC only.
* dwarf2read.c (decode_locdesc): Remove is_thread_local variable.
* dwarf2loc.h (struct dwarf2_loclist_baton): Add comment about
usage of objfile pointer.
* dwarf2loc.c (locexpr_describe_location): Add case to handle
thread local variables.
Add include of objfiles.h.
* dwarf2expr.c (execute_stack_op): Add comments about thread local
storage variables.
* Makefile.in (dwarf2loc.o): Update dependencies.
* dwarf2expr.c (dwarf2_read_address): Renamed from read_address;
made non-static.
(execute_stack_op): All callers updated.
* dwarf2expr.h: Add prototype for dwarf2_read_address.
* dwarf2loc.c (find_location_expression): New function.
(dwarf_expr_frame_base): Call it.
(dwarf2_evaluate_loc_desc): Handle 0-length location expressions.
(dwarf2_tracepoint_var_ref): New function, broken out from
locexpr_tracepoint_var_ref.
(locexpr_tracepoint_var_ref): Call dwarf2_tracepoint_var_ref.
Make static.
(loclist_read_variable, loclist_read_needs_frame): New functions.
(loclist_describe_location, loclist_tracepoint_var_ref): New
functions.
(dwarf2_loclist_funcs): New struct location_funcs.
* dwarf2loc.h (struct dwarf2_loclist_baton): New type.
(struct dwarf2_locexpr_baton): Add comments.
(dwarf2_loclist_funcs): New extern.
* dwarf2read.c (struct comp_unit_head): Remove DIE member, add
base_address and base_known.
(dwarf_loc_buffer): New variable.
(struct dwarf2_pinfo): Add dwarf_loc_buffer and dwarf_loc_size.
(DWARF_LOC_BUFFER, DWARF_LOC_SIZE): New macros.
(dwarf2_has_info): Initialize dwarf_loc_offset.
(dwarf2_build_psymtabs): Read in .debug_loc.
(dwarf2_build_psymtabs_hard): Use DWARF_LOC_BUFFER and
DWARF_LOC_SIZE.
(psymtab_to_symtab_1): Likewise. Move base address calculation
here, from...
(dwarf2_get_pc_bounds): ... here. Use the base address from
cu_header.
(dwarf2_symbol_mark_computed): Handle location lists.
* utils.c (streq): New function.
* dwarf2read.c (new_symbol): Use SYMBOL_SET_NAMES instead of
SYMBOL_NAME and SYMBOL_INIT_DEMANGLED_NAME.
* mdebugread.c (new_symbol): Likewise.
* stabsread.c (define_symbol): Likewise.
* coffread.c (process_coff_symbol): Likewise.
* dwarfread.c (new_symbol): Likewise.
* minsyms.c (prim_record_minimal_symbol_and_info): Use
SYMBOL_SET_NAMES instead of setting SYMBOL_NAME. Set the language
here.
(install_minimal_symbols): Don't set SYMBOL_LANGUAGE or call
SYMBOL_INIT_DEMANGLED_NAME.
* objfiles.c: Include "hashtab.h".
(allocate_objfile): Call htab_set_functions_ex for the
demangled_names_hash.
(free_objfile): Call htab_delete for the demangled_names_hash.
* objfiles.h (struct htab): Add declaration.
(struct objfile): Add demangled_names_hash.
* symfile.c: Include "hashtab.h".
(reread_symbols): Call htab_delete for the demangled_names_hash.
(add_psymbol_to_list): Use SYMBOL_SET_NAMES instead of putting
SYMBOL_NAME in the bcache.
* symtab.c: Include "hashtab.h". Update comments.
(create_demangled_names_hash, symbol_set_names): New functions.
(symbol_find_demangled_name): New function, broken out from
symbol_init_demangled_names.
(symbol_init_demangled_names): Use it.
* symtab.h (SYMBOL_INIT_DEMANGLED_NAME): Add missing parentheses.
(SYMBOL_SET_NAMES): New macro.
(symbol_set_names): Add prototype.
(fill_symbuf): Support an in-memory buffer for stabs data.
(stabs_seek): New function.
(dbx_psymtab_to_symtab): Relocate the stabs data if necessary.
(read_ofile_symtab): Use stabs_seek.
(elfstab_build_psymtabs): Take an asection* instead of
an offset and size. Relocate the stabs data if necessary.
Save the section* for dbx_psymtab_to_symtab.
* dwarf2read.c: Add section variables for each debug section.
(dwarf2_locate_sections): Fill them in.
(dwarf2_read_section): Take an asection* argument.
Relocate the section contents if necessary.
(dwarf2_build_psymtabs, dwarf2_build_psymtabs_easy): Update callers.
* dwarf2cfi.c (parse_frame_info): Take a section argument and pass
it to dwarf2_read_section.
(dwarf2_build_frame_info): Update callers.
* elfread.c (elf_symfile_read): Update call to
elfstab_build_psymtabs.
* gdb-stabs.h (struct dbx_symfile_info): Add stab_section.
(DBX_STAB_SECTION): New macro.
* stabsread.h (elfstab_build_psymtabs): Update prototype.
* symfile.c (symfile_dummy_outputs): New function.
(symfile_relocate_debug_section): New function.
* symfile.h (symfile_relocate_debug_section): Add prototype.
* dwarf2read.c (dwarf2_add_field): Treat a field that is a
DW_TAG_member as well as a declaration as being a C++ static data
member.
(read_structure_scope): Combine tests for DW_TAG_member and
DW_TAG_variable.
