* i386-tdep.c (i386_coff_init_abi): New function.
* i386-tdep.h (i386_coff_init_abi): New prototype.
* i386-cygwin-tdep.c (i386_cygwin_init_abi): Call it. Use correct
register number translation functions for DWARF and DWARF 2.
(struct dwarf2_cu): Add partial_dies, comp_unit_obstack,
has_namespace_info.
(struct partial_die_info): Add comments. Use bitfields to reduce
memory footprint. Add scope, scope_set, has_specification,
spec_offset, die_parent, die_child, and die_sibling.
(peek_die_abbrev): Add prototype.
(partial_read_comp_unit_head): New function, broken out from
dwarf2_build_psymtabs_hard.
(dwarf2_build_psymtabs_hard): Remove unused variable abbrev_ptr.
Use partial_read_comp_unit_head. Initialize the CU and
comp_unit_obstack. Update calls to read_partial_die and
scan_partial_symbols. Use free_stack_comp_unit and
load_partial_dies.
(scan_partial_symbols): Change PDI to a pointer. Use the child and
sibling pointers to walk partial DIEs. Call fixup_partial_die.
Update calls to helper functions. Remove NAMESPACE argument.
Update comments.
(partial_die_parent_scope, partial_die_full_name): New functions.
(add_partial_symbol): Remove namespace argument. Update call to
pdi_needs_namespace. Use partial_die_full_name. Handle
DW_TAG_namespace. Check has_namespace_info flag.
(pdi_needs_namespace): Remove NAMESPACE argument. Just check the
tag. Handle namespaces.
(add_partial_namespace, add_partial_enumeration): Simplify.
(guess_structure_name): New function, derived from
add_partial_structure.
(add_partial_structure): Remove.
(determine_class_name): Update comment.
(dwarf2_read_abbrevs): Set has_namespace_info flag.
(is_type_tag_for_partial, load_partial_dies): New functions.
(read_partial_die): Pass abbrev and abbrev_len as arguments.
Record specifications instead of following them immediately.
(find_partial_die_in_comp_unit, find_partial_die)
(fixup_partial_die, free_stack_comp_unit)
(hashtab_obstack_allocate, dummy_obstack_deallocate)
(partial_die_hash, partial_die_eq): New functions.
* Makefile.in (hashtab_h): Define.
(dwarf2read.o): Update dependencies.
(observer_inc, observer_h): Move to the correct section.
* symfile.c (symbol_file_add_with_addrs_or_offsets): Take ABFD as
argument instead of NAME.
(symbol_file_add, reread_separate_symbols): Call symfile_bfd_open
in call to symbol_file_add_with_addrs_or_offsets.
(build_addr_info): New function, helper for ...
(symbol_file_add_from_memory): New function.
(add_symbol_file_from_memory_command): New function using that.
(_initialize_symfile): Register it for add-symbol-file-from-memory.
(pre_add_symbol_hook): Add const to argument type.
* symfile.h (symbol_file_add_from_memory): Declare it.
(vax_supply_gregset): New function.
(vax_gregset): New variable.
(vax_regset_from_core_section): New function.
(vax_gdbarch_init): Set regset_from_core_section.
* Makefile.in (vax-tdep.o): Update dependencies.
* configure.host: Add vax-*-netbsdelf* and vax-*-netbsd*.
* config/vax/nbsdelf.mh: New file.
* config/vax/nbsdaout.mh: New file.
* config/vax/nm-nbsd.h: New file.
* config/vax/nm-nbsdaout.h: New file.
* Makefile.in (vaxnbsd-tdep.o): New dependency.
* configure.tgt: Add vax-*-netbsd* and vax-*-openbsd*.
* config/vax/nbsd.mt: New file.
* config/vax/tm-nbsd.h: New file.
* vax-tdep.c (vax_store_arguments): Remove struct_return and
struct_addr arguments. Don't push return value address.
(vax_push_dummy_call): Don't pass STRUCT_RETURN and STRUCT_ADDR as
arguments to vax_store_arguments. Store return value address in
R1.
(vax_store_struct_return, vax_extract_return_value)
(vax_store_return_value): Remove functions.
(vax_return_value): New function.
(vax_gdbarch_init): Set return value. Don't set
deprecated_store_struct_return, deprecated_extract_struct_return
and deprecated_store_return_value.
