Commit graph

21 commits

Author SHA1 Message Date
Ken Raeburn
e7757ad0bc First cut at handling multiple emulation modes for some MIPS targets.
Mostly works, not entirely.
Details in ChangeLog.
1995-05-10 23:08:40 +00:00
Ian Lance Taylor
c6858c1be5 * ecoff.c (ecoff_frob_symbol): New function. Put undefined
symbols of known size in the undefined section.  Put small common
	symbols in a .scommon section.
	* ecoff.h (ecoff_frob_symbol): Declare.
	* config/obj-ecoff.h (obj_frob_symbol): Define.
	* config/obj-elf.c (obj_elf_write_symbol_p, obj_elf_write_symbol,
	obj_elf_frob_symbol): Removed unused functions.
	* config/obj-elf.h (obj_frob_symbol, obj_write_symbol): Removed
	unused macros.
	(obj_elf_frob_symbol, obj_elf_write_symbol): Removed declarations
	of unused functions.
	(obj_frob_symbol): Define if ECOFF_DEBUGGING.
1994-01-25 00:26:33 +00:00
David Edelsohn
e79cb10bbe * config/obj-elf.c (obj_elf_section): Fix loop termination test. 1994-01-15 17:31:05 +00:00
Ian Lance Taylor
c5953036d8 * ecoff.c (ecoff_setup_ext): Renamed from ecoff_build_ext.
Changed to not actually build the external symbol information, as
	that is now done by the ECOFF back end.
	(ecoff_build_debug): Changed accordingly.
	* ecoff.h (obj_ecoff_set_ext): Declare.   obj-format.c function
	called by ecoff_setup_ext.
	* config/obj-ecoff.c (ecoff_frob_file): If debug_info count is 0,
	set corresponding pointer to NULL.  Don't set raw_size and
	raw_syments.
	(obj_ecoff_set_sym_index): Removed.
	(obj_ecoff_set_ext): New function.
	* config/obj-ecoff.h (obj_set_sym_index): Don't define.
	(obj_ecoff_set_sym_index): Don't declare.
	* config/obj-elf.c (obj_ecoff_set_ext, elf_get_extr,
	elf_set_index): New functions used for ECOFF_DEBUGGING.
	(elf_frob_file): Reworked ECOFF debug generation to use
	new functions in bfd/ecofflink.c.
1993-11-24 07:42:03 +00:00
Ian Lance Taylor
fa20b8bfd5 * config/obj-elf.c (obj_elf_init_stab_section): Align .stab
section to a longword boundary.
1993-10-26 21:01:15 +00:00
Ian Lance Taylor
9bd0d6499c * read.c (get_stab_string_offset): Make non-static. Make
arguments const.  Don't align strings to 4 byte boundaries.
	* read.h: Declare get_stab_string_offset.
	* config/obj-elf.c (obj_elf_section): Set SEC_ALLOC as well as
	SEC_LOAD for progbits section.
	(obj_elf_init_stab_section): New function.
	(adjust_stab_sections): Add casts to avoid warnings.
	* config/obj-elf.h (INIT_STAB_SECTION): Call
	obj_elf_init_stab_section.
	(OBJ_PROCESS_STAB): Removed definition.
1993-09-20 23:29:42 +00:00
Ian Lance Taylor
1399802122 * tc.h: Declare tc_gen_reloc differently depending upong
RELOC_EXPANSION_POSSIBLE.
	* config/obj-elf.c (obj_elf_section): Only set flags when first
	creating the section.
1993-09-16 18:26:36 +00:00
Ian Lance Taylor
4f0bccc7d8 Some more gcc lint, and:
* read.c (change_to_section): Removed.  This is now done by
	subseg_new.
	(get_stab_string_offset): Rearranged somewhat.  Create the section
	using subseg_new.  Store the string index in seg_info, rather than
	in a static variable.  Force the first string to be empty.  Use
	frag_more rather than FRAG_APPEND_1_CHAR.
	(s_stab_generic): Rewrote.
	* subsegs.h (segment_info_type): Added stabu union.
	* subsegs.c (subseg_new): Initialize stab_string_size to 0.
	* config/obj-aout.c: Don't include aout/stab_gnu.h.
	(obj_aout_stab, obj_aout_desc): Removed.
	(obj_pseudo_table): Removed desc and stabX entries.
	* config/obj-bout.c: Same changes as config/obj-aout.c.
	* config/obj-bout.h (S_SET_TYPE): Define.
	(tc_bout_fix_to_chars): Declare.
	* config/obj-coff.c (obj_coff_stab): Removed.
	(obj_pseudo_table): Removed desc and stabX entries.
	* config/obj-coff.h (SEPARATE_STAB_SECTIONS): Define.
	* config/obj-coffbfd.c (current_stab_symbol): Removed.
	* config/obj-coffbfd.h (obj_symbol_type): Removed n_strx, n_type,
	n_other, n_desc and n_value fields.
	(S_{S,G}ET_{OFFSET,OTHER,TYPE,DESC}): Removed.
	(MAKE_STAB_SYMBOL): Removed.
	* config/obj-ecoff.c (obj_ecoff_stab): Renamed to ecoff_stab.
	Changed arguments and removed parsing code.
	(obj_pseudo_table): Removed stabX entries.
	* config/obj-ecoff.h (ecoff_stab): Declare.
	(OBJ_PROCESS_STAB): Define.
	* config/obj-elf.c: Don't include aout/stab_gnu.h.
	(obj_elf_stab, obj_elf_xstab, obj_elf_desc,
	elf_stab_symbol_string, elf_stab_symbol, obj_elf_stab_generic):
	Removed.
	(obj_pseudo_table): Removed desc, stabX and xstabs entries.
	(obj_elf_version): Use subseg_new, not bfd_make_section.  Don't
	set SEC_LOAD for .note section.
	(adjust_stab_sections): Get frag pointer from seg_info, rather
	than looking through frags.
	* config/obj-elf.h (S_{S,G}ET_{OTHER,TYPE,DESC}): Removed.
	(SEPARATE_STAB_SECTIONS, INIT_STAB_SECTION, OBJ_PROCESS_STAB):
	Define.
	* config/obj-vms.c (obj_aout_stab): Removed.
	(obj_pseudo_table): Removed stabX entries.
	* config/obj-vms.h (S_SET_TYPE): Define.
1993-09-14 17:58:35 +00:00
Ian Lance Taylor
604633aeca * subsegs.c: Renamed non-BFD_ASSEMBLER subseg_new to subseg_set.
Wrote non-BFD_ASSEMBLER subseg_new.  Now subseg_new always takes a
	section name, and subseg_set always takes a segT.  Changed all
	callers as appropriate.
	* config/obj-coffbfd.c 	(change_to_section): Renamed to
	obj_coff_add_segment.  Corrected.  Made callers use subseg_new.
	* config/obj-coffbfd.h (obj_segment_name, obj_add_segment):
	Define.

Also some more gcc warning removal.
1993-09-13 21:32:07 +00:00
Ian Lance Taylor
58d4951d00 gcc lint. See ChangeLog for details. Also:
* config/obj-elf.h (S_SET_SIZE): Actually set the size.
1993-09-10 16:01:07 +00:00
Ian Lance Taylor
414b2c8f7a * config/obj-elf.c (obj_elf_section): Set SEC_LOAD when using
default flag values.
1993-09-08 19:11:47 +00:00
Ken Raeburn
5cf4cd1b8b more Utah changes, some cleanup of mine 1993-09-03 22:36:26 +00:00
Ken Raeburn
d7852a330d * tc-sparc.c (s_local): Function moved and renamed...
* obj-elf.c (obj_elf_local): ...to here.
* tc-sparc.c (md_pseudo_table), obj-elf.c (obj_pseudo_table): Move handling of ".local".
1993-08-20 05:29:24 +00:00
Ken Raeburn
b81b8a7d14 Undef NO_RELOC before including aout/aout64.h.
(obj_elf_weak): New function.
(obj_pseudo_table): Handle ".weak".
(obj_elf_section): If section directive includes a string, ignore
it for now.  Accept "progbits" flag.
(obj_elf_type): Accept `@' before flag name.
1993-08-18 21:09:23 +00:00
Ken Raeburn
693b21e75a * obj-elf.c (obj_elf_stab_generic, in disabled code): If
debug section is new, allocate an extra 12 bytes at its start.  If
".stabs" type is N_SO, fill in filename symbol field of that first
entry.  Return early if "goof", to simplify later code slightly.
(adjust_stab_sections): New function.
(elf_frob_file): Apply adjust_stab_sections to each section.

* obj-elf.c (obj_elf_section, obj_elf_previous): No longer static.
* obj-elf.h (obj_elf_section, obj_elf_previous): Declare.
* tc-sparc.c (md_pseudo_table): Call them for "pushsection"
and "popsection", and call cons for "uaword" and "uahalf".

* obj-elf.c (obj_elf_version): Use English in error messages.

* tc-sparc.c (md_apply_fix, case BFD_RELOC_64): New case,
parallel to BFD_RELOC_32.
(tc_gen_reloc): Accept BFD_RELOC_64.
1993-08-04 23:10:43 +00:00
Ian Lance Taylor
5ac34ac37e * Extensive changes to permit symbols to contain any expression
type and to delay the computation of the expression until the
	value is actually needed.  This permits setting symbols to values
	calculated based on object code size.  Expressions were changed to
	no longer be in a section, to stop the overloading of segment and
	expression type that previously occurred.

	* as.c (big_section, pass1_section, diff_section, absent_section):
	Removed.
	(expr_section): Added (used for dummy symbols which hold
	intermediate expression values).
	(perform_an_assembly_pass): Create expr_section, do not create the
	sections now removed.
	* as.h (segT): Removed SEG_ABSENT, SEG_PASS1, SEG_BIG, and
	SEG_DIFFERENCE.  Added SEG_EXPR.
	(SEG_NORMAL): Corresponding changes.
	* subsegs.c (seg_name, subsegs_begin): Changed accordingly.
	* write.c (write_object_file): Ditto.
	* config/obj-aout.c (seg_N_TYPE): Ditto.
	* config/obj-bout.c (seg_N_TYPE): Ditto.
	* config/obj-coff.c (seg_N_TYPE): Ditto.
	* config/obj-coffbfd.c (seg_N_TYPE): Ditto.
	* config/obj-vms.c (seg_N_TYPE): Ditto.

	* expr.h (operatorT): Moved in from expr.c, added some values.
	(expressionS): Added X_op field, removed X_seg field; renamed
	X_subtract_symbol to X_op_symbol.
	* expr.c: Extensive changes to assign expression types rather than
	sections and to simplify the parsing.
	* write.c (fix_new_internal): New static function.
	(fix_new): Removed sub_symbol argument.
	(fix_new_exp): New function, takes expression argument.
	* write.h: Prototype changes for fix_new and fix_new_exp.
	* cond.c (s_if): Changed accordingly.
	* read.c (s_lsym, pseudo_set, emit_expr, parse_bitfield_cons,
	parse_repeat_cons, get_segmented_expression,
	get_known_segmented_expression, get_absolute_expression): Ditto.
	* symbols.c (resolve_symbol_value, S_GET_VALUE, S_SET_VALUE):
	Ditto.
	* write.c (write_object_file): Ditto.
	* config/obj-coff.c (obj_coff_def, obj_coff_val): Ditto.
	* config/obj-coffbfd.c (obj_coff_def, obj_coff_val,
	obj_coff_endef, yank_symbols): Ditto.
	* config/obj-elf.c (obj_elf_stab_generic, obj_elf_size): Ditto.
	* config/tc-a29k.c (md_assemble, parse_operand, machine_ip,
	print_insn, md_operand): Ditto.
	* config/tc-h8300.c (parse_exp, colonmod24, check_operand,
	do_a_fix_imm, build_bytes): Ditto.
	* config/tc-h8500.c (parse_exp, skip_colonthing, parse_reglist,
	get_specific, check, insert, md_convert_frag): Ditto.
	* config/tc-hppa.c (the_insn, fix_new_hppa, cons_fix_new_hppa,
	md_assemble, pa_ip, getExpression, getAbsoluteExpression,
	evaluateAbsolute, pa_build_unwind_subspace, pa_entry,
	process_exit): Ditto.
	* config/tc-hppa.h (STAB_FIXUP, is_DP_relative, is_PC_relative,
	is_complex): Ditto.
	* config/tc-i386.c (pe, md_assemble, i386_operand,
	md_estimate_size_before_relax, md_create_long_jump): Ditto.
	* config/tc-i860.c (md_assemble, getExpression, print_insn):
	Ditto.
	* config/tc-i960.c (parse_expr, subs, segs, md_convert_frag,
	get_cdisp, mem_fmt, parse_ldconst, relax_cobr, s_sysproc,
	i960_handle_align): Ditto.
	* config/tc-m68k.c (struct m68k_exp, struct m68k_it, seg, op,
	subs, add_fix, isvar, m68k_ip, md_assemble, md_convert_frag_1,
	md_estimate_size_before_relax, md_create_long_jump, get_num):
	Ditto.
	* config/tc-m88k.c (md_assemble, get_imm16, get_pcr,
	md_create_short_jump, md_create_long_jump): Ditto.
	* config/tc-mips.c (md_assemble, append_insn, gp_reference,
	macro_build, macro, my_getExpression): Ditto.  Also removed
	get_optional_absolute_expression; just use get_absolute_expression
	instead.
	* config/tc-ns32k.c (get_addr_mode, evaluate_expr, convert_iif,
	fix_new_ns32k, fix_new_ns32k_exp, cons_fix_new_ns32k): Ditto.
	* config/tc-ns32k.h (fix_new_ns32k prototype): Ditto.
	* config/tc-sh.c (parse_exp, check, insert, md_convert_frag):
	Ditto.
	* config/tc-sparc.c (md_assemble, sparc_ip, getExpression,
	print_insn): Ditto.
	* config/tc-tahoe.c (struct top, md_estimate_size_before_relax,
	tip_op, md_assemble): Ditto.
	* config/tc-vax.c (seg_of_operand, md_assemble,
	md_estimate_size_before_relax, md_create_long_jump): Ditto.
	* config/tc-z8k.c (parse_exp, check_operand, newfix): Ditto.
1993-07-21 00:41:42 +00:00
Ken Raeburn
7c05f0ec40 (obj_elf_previous): New function.
(previous_section, previous_subsection): New vars.
(obj_elf_section): Save current place in case DWARF code wants us
to pop back to it.  Handle unquoted section name as well as quoted
section name.  Don't crash on invalid strings.
(obj_pseudo_table): Handle new pseudos "previous", "2byte", and "4byte".
1993-07-19 19:49:34 +00:00
Ian Lance Taylor
5868b1fe68 * Removed sy_forward and replaced it with an undefined expression
as the value of a symbol.
	* struc-symbol.h (struct symbol): Removed sy_forward field.  Added
	sy_resolved and sy_resolving single bit fields.
	* symbols.c (symbol_new): Don't initialize sy_forward field.
	(resolve_symbol_value): New function to adjust symbol value by
	fragment address, using recursion to resolve forward symbols.
	* symbols.h: Added prototype for new function.
	* read.c (pseudo_set): Set symbolP->sy_value to an undefined
	expression rather than setting symbolP->sy_forward.
	* write.c (write_object_file): Use resolve_symbol_value on
	symbols, keeping the common case (the old behaviour) inline.
	* config/obj-aout.c (obj_aout_frob_symbol): Removed sy_forward
	handling (subsumed by write.c change).
	* config/obj-coff.c, config/obj-coffbfd.c (obj_coff_val): Set
	sy_value rather than sy_forward.
	* config/obj-coffbfd.c (obj_coff_endef, yank_symbols): Check
	expression segment rather than sy_forward.
	(yank_symbols): Use resolve_symbol_value.
	(crawl_symbols): Removed extra pass over symbols.
	* config/obj-aout.c, config/obj-bout.c, config/obj-coff.c,
	config/obj-vms.c (obj_crawl_symbol_chain): Removed extra pass over
	symbols which handled sy_forward; use resolve_symbol_value
	instead.
	* config/obj-coff.h, config/obj-coffbfd.h (obj_frob_forward_symbol):
	Define.
	* config/obj-elf.c (obj_elf_stab_generic): Check expression
	segment rather than sy_forward.
	* config/obj-vms.c (VMS_Check_For_Main): Don't initialize
	sy_forward; do initialize sy_resolved and sy_resolving.
	* config/tc-hppa.h (STAB_FIXUP): Use sy_value, not sy_forward.
1993-07-14 22:21:25 +00:00
Ken Raeburn
5d4ef2968b config/obj-elf.c (obj_elf_section): Allow `@' to introduce an attribute name.
Handle `execinstr' attribute.
1993-07-12 15:17:10 +00:00
Ken Raeburn
6e3785155d Change various calls (e.g., to symbol_new, md_number_to_chars) to cast
valueT or addressT arguments to correct types.
1993-07-07 16:40:30 +00:00
Ken Raeburn
49864cfa6c read.c (s_align_bytes): Properly record alignment.
expr.c (__): Undefine before defining.
as.c (got_sig): Don't return anything; return type might be void.
Whitespace/comment cleanup in frags.c.
Some patches for `-pedantic' or `-fno-common' compilation.
(Some of these changes are from Michael Meissner; see change log.)
1993-05-27 19:42:23 +00:00