creation logic from obj_elf_create_section.
* config/obj-elf.c (elf_pseudo_tab): Add pushsection/popsection.
(section_stack): New.
(special_sections): Make const.
(obj_elf_section): Gut and rewrite parsing.
(obj_elf_change_section): New function broken out of obj_elf_section.
(obj_elf_parse_section_letters): Likewise.
(obj_elf_section_word): Likewise.
(obj_elf_section_type): Likewise.
(obj_elf_previous): Treat as a toggle.
(obj_elf_popsection): New.
* config/tc-ppc.c (ppc_section_word): Take str+len not ptr_str.
(ppc_section_type): Likewise.
* config/tc-ppc.h: Likewise.
* expr.h (struct expressionS): Don't make X_op a bitfield.
* config/tc-alpha.c: Update for symbol handling changes.
(md_apply_fix) [case GPREL]: Use now_seg instead of absolute_section.
(load_expression, emit_ir_load, emit_loadstore, emit_jsrjmp): Likewise.
(dwarf2_gen_line_info): Kill unused variables.
(dwarf2_finish): Likewise.
(dwarf2_where): Likewise.
(dwarf2_directive_file): If we've only got a string,
hand off to s_app_file.
* ecoff.c: Move the include of ecoff.h.
* symbols.h (S_IS_FUNCTION): Prototype.
* read.c (LEX_HASH): Supply a default.
(lex_type): Use it.
(s_globl): Update `c' after skipping whitespace.
* read.h (LEX_END_NAME, is_name_ender): New.
* expr.c (get_symbol_end): Respect it.
* elf32-ppc.c (ppc_elf_relocate_section): Don't barf on out of
range undefweak symbols.
* hash.c: Add missing comma after @xref{}
* linker.c: Likewise.
DWARF2 debug info (line information only, at this point).
* as.h: Update comment about supported debug formats.
* dwarf2dbg.c, dwarf2dbg.h: New files.
* Makefile.am (GAS_CFILES, HFILES, GENERIC_OBJS): Add them.
(op_encoding): Switch [ into O_index, if desired.
(op_rank): Renumber with O_index on bottom.
(expr): If O_index, match closing bracket.
* expr.h (O_index): New.
* dwarf2.c (struct line_info): Add member END_SEQUENCE to keep
track of end_sequence markers.
(add_line_info): Add END_SEQUENCE arg.
(decode_line_info): Don't try to infer lo_pc and hi_pc from the
debug-line info---it doesn't work right if a compilation unit
consists of multiple discontiguous code-sequences. It would be
worthwhile to optimize for the common case where a compilation
unit results in a contiguous set of code sequences, but this is
quite tricky to get right for arbitrary DWARF2 files.
(lookup_address_in_line_info_table): Don't use the last line entry
for a compilation unit for anything with an address higher than
this line entry. Also, check for end_sequence markers to
correctly handle discontinuities.
(_bfd_dwarf2_find_nearest_line): When checking previously loaded
compilation units, check all compilation units with each->high==0
just like when reading compilation units.
* dwarf2.c (decode_line_info): Initialize table->files and
table->last_line to NULL to avoid segfaults due to random
values in these members.
(concat_filename): Check for out-of-range file number before
indexing filename table. Segfaults suck.
* dwarf2.c (decode_line_info): Don't truncate address to least
significant 32 bits (breaks 64 bit targets).
(lookup_address_in_function_table): Ditto.
(comp_unit_contains_address): Ditto.
(app_push): Save saved_input in allocated buffer.
(app_pop): Restored saved_input.
(do_scrub_chars): Change get parameter to take char * and int as
arguments. Change GET macro to pass input_buffer to get
function. Don't save input into allocated buffer.
* as.h (do_scrub_chars): Update declaration.
* input-file.c (input_file_get): Change to take char * and int.
Read data into passed in buffer. Remove static buffer.
* read.c (scrub_from_string): Change to take char * and int. Copy
data into passed in buffer.
* macro.c (macro_expand_body): Call hash_jam with NULL rather than
hash_delete
.CVS: ----------------------------------------------------------------------
