Commit graph

1098 commits

Author SHA1 Message Date
Ian Lance Taylor
fbd929fd05 * config/tc-ppc.c (md_pseudo_table): If OBJ_XCOFF, add "long",
"word", and "short".
	(ppc_xcoff_cons): New static function.
1997-01-31 19:57:31 +00:00
Ian Lance Taylor
fb50cd4ef2 Fri Jan 31 13:15:05 1997 Alan Modra <alan@spri.levels.unisa.edu.au>
* config/tc-i386.c (i386_align_code): Add comments explaining the
	nop instructions.
1997-01-31 18:16:15 +00:00
Ian Lance Taylor
0d7f9025b9 * config/tc-mips.c (mips_fix_adjustable): New function.
* config/tc-mips.h (tc_fix_adjustable): Call mips_fix_adjustable.
	(mips_fix_adjustable): Declare.
1997-01-30 21:19:36 +00:00
Fred Fish
f1ce6af4fe * config/tc-d10v.c (find_opcode): Remove unused variable "numops".
* config/tc-tic80.c: Many additions to previous placeholder file.
      * config/tc-tic80.h: Ditto.
1997-01-30 20:35:02 +00:00
Ian Lance Taylor
0b476c533b Thu Jan 30 12:28:18 1997 Alan Modra <alan@spri.levels.unisa.edu.au>
* config/tc-i386.c (i386_align_code): Improve the nop patterns.
1997-01-30 17:29:28 +00:00
Martin Hunt
daa04fa206 Wed Jan 29 15:31:12 1997 Martin M. Hunt <hunt@pizza.cygnus.com>
* config/tc-d10v.h (md_do_align): Add this hook to call
	d10v_cleanup() when a ".align" is detected.  Fixes PR11487.

	* config/tc-d10v.c (find_opcode): Correctly calculate
	branch displacement when .aligns are present.
1997-01-29 23:36:06 +00:00
Jeff Law
33a4c28dc0 * config/tc-mn10200.c (md_relax_table): Define.
(md_convert_frag): Implement.
        (md_assemble): Handle relaxable operands/instructions correctly.
        (md_estimate_size_before_relax): Implement.
        * config/tc-mn10200.h (TC_GENERIC_RELAX_TABLE): Define.
Some simple branch relaxing.
1997-01-29 16:46:31 +00:00
Ian Lance Taylor
39bb58e0ad * config/tc-mips.c (append_insn): Give an error for jumps to a
misaligned address.
1997-01-28 21:14:37 +00:00
Ian Lance Taylor
3b320c48cf * config/tc-mips.c (md_apply_fix): Make a branch to an odd address
an error rather than a warning.
1997-01-28 21:09:52 +00:00
Ian Lance Taylor
31a2c6ffd7 * config/tc-mips.c (md_convert_frag): If the user explicitly
requested an extended opcode, pass warn as true to mips16_immed.
1997-01-28 20:37:27 +00:00
Ian Lance Taylor
645cb4dc28 * config/tc-mips.c (mips16_ip): Handle a missing expression like
an explicit 0, so that explicitly extended instructions work
	correctly.
1997-01-28 20:28:18 +00:00
Ian Lance Taylor
b3a64736a1 * config/tc-mips.c (md_begin): Don't set SEC_ALLOC or SEC_LOAD for
the .reginfo or .MIPS.options section if configured for an
	embedded target.
1997-01-20 19:27:11 +00:00
J.T. Conklin
ffecfc8b60 * config/tc-m68k.c (HAVE_LONG_BRANCH): New macro, returns true for
m68k family cpus which support long branch addressing modes.
(m68k_ip, md_convert_frag_1, md_estimate_size_before_relax,
md_create_long_jump): Use it.
1997-01-20 18:47:48 +00:00
Ian Lance Taylor
c36a90ef65 * config/tc-mips.c (md_begin): Don't set interlocks for
mips_4650.
PR 11507.
1997-01-20 17:43:43 +00:00
Ian Lance Taylor
d703b5a783 * config/tc-m68k.c (struct label_line): Define.
(labels, current_label): New static variables.
	(md_assemble): Mark current_label as text, and clear it.
	(m68k_frob_label): New function.
	(m68k_flush_pending_output): New function.
	(m68k_frob_symbol): New function.
	* config/tc-m68k.h (tc_frob_label): Define.
	(md_flush_pending_output): Define.
	(tc_frob_symbol): Don't warn, just call m68k_frob_symbol.
	(tc_frob_coff_symbol): Likewise.
PR 11417.
1997-01-09 18:18:01 +00:00
Jeff Law
62b2acbabf * config/tc-mn10200.c (md_assemble): Tweak fx_offset for pc-relative
relocs.
Relocs for the mn10200.
1997-01-06 22:25:05 +00:00
Jeff Law
feb5b33137 Fix copyrights. 1997-01-03 23:56:40 +00:00
Jeff Law
ac866582d9 * config/tc-hppa.c (struct hppa_fix_struct): Steak fx_r_field's type
to avoid warnings with the native HP compiler.
        (fix_new_hppa): Similarly for the r_type argument.
        (pa_build_unwind_subspace, hppa_elf_mark_end_of_function): Enclose
        in an #if OBJ_ELF to keep gcc -Wall quiet.
        (md_apply_fix): Always initialize "result".
Minor maintenance.

        * config/tc-mn10200.c (md_assemble): Generate relocations.
mn10200 has relocs now!
1997-01-03 23:55:22 +00:00
Ian Lance Taylor
79811f6f41 Fri Jan 3 18:17:23 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* config/tc-m68k.c (s_even): Adjust the alignment of the current
	section.
1997-01-03 23:20:21 +00:00
Ian Lance Taylor
9f94df3847 * config/obj-coff.c (yank_symbols): If tc_frob_coff_symbol is
defined, call it.
	* config/tc-m68k.c (tc_frob_symbol): Check whether text label is
	aligned to odd boundary.
	(tc_frob_coff_symbol): Define.
1997-01-03 22:41:26 +00:00
Ian Lance Taylor
8185fc28bd revert last patch 1997-01-03 22:27:24 +00:00
Ian Lance Taylor
ba8f9c0955 Fri Jan 3 17:10:33 1997 Richard Henderson <rth@tamu.edu>
* config/obj-elf.c (elf_file_symbol): When using ECOFF debugging,
	pass on the new file hook.

	* config/tc-alpha.c (alpha_fix_adjustable): Not quite the same as
	!alpha_force_relocation, as local LITERALs can be adjusted to be
	relative to the section.
1997-01-03 22:13:05 +00:00
Ian Lance Taylor
de9df5fa1d * config/tc-m68k.h (tc_frob_label): Define to warn about a
misaligned text label.  Based on patch from Ronald F. Guilmette
 	<rfg@monkeys.com>.
1997-01-03 17:50:06 +00:00
Ian Lance Taylor
2156d0d747 * config/tc-m68k.c (m68k_ip): Call frag_grow before adding a
PCINDEX frag.  From Ronald F. Guilmette <rfg@monkeys.com>.
1997-01-03 17:22:34 +00:00
Ian Lance Taylor
a78bc55196 * config/tc-m68k.c (m68k_ip): Accept 'B' as a size for an
immediate value.
	(md_assemble): If the size is 'B', set fx_signed.
	(md_apply_fix_2): Use fx_signed when checking for overflow.

	* write.h (struct fix): Add fx_signed field.
	* write.c (fix_new_internal): Initialize fx_no_overflow and
	fx_signed fields.
	(fixup_segment): Use fx_signed when checking for overflow.
	* config/obj-coff.c (fixup_segment): Check fx_no_overflow and
	fx_signed when checking for overflow.
1997-01-03 17:14:02 +00:00
Ian Lance Taylor
a986926b11 Based on patch from Ronald F. Guilmette <rfg@monkeys.com>:
* read.c (read_a_source_file): Check for conditional operators
	before doing an MRI pending alignment.
	* config/tc-m68k.h (m68k_conditional_pseudoop): Declare.
	(tc_conditional_pseudop): Define.
	* config/tc-m68k.c (m68k_conditional_pseudop): New function.
	* doc/internals.texi (CPU backend): Describe
	tc_conditional_pseudoop.
1997-01-03 03:07:01 +00:00
Ian Lance Taylor
924160b0d6 Based on patch from Ronald F. Guilmette <rfg@monkeys.com>:
* config/tc-m68k.c (m68k_rel32_from_cmdline): New static
	variable.
	(md_begin): Check m68k_rel32_from_cmdline before setting
	m68k_rel32.
	(m68k_mri_mode_change): Likewise.
	(md_longopts): Add --disp-size-default-16 and
	--disp-size-default-32.
	(md_parse_option): Handle new options.
	(md_show_usage): Mention new options.
	* doc/c-m68k.texi (M68K-Opts): Document new options.
1997-01-03 00:03:28 +00:00
Ian Lance Taylor
b4d51f3dd4 Based on patch from Ronald F. Guilmette <rfg@monkeys.com>:
* config/tc-m68k.c (m68k_index_width_default): New static
	variable.
	(m68k_ip): Use m68k_index_width_default to set the size of a base
	register whose size was not given.
	(md_longopts): Add --base-size-default-16 and
	--base-size-default-32.
	(md_parse_option): Handle new options.
	(md_show_usage): Mention new options.
	* doc/c-m68k.texi (M68K-Opts): Document new options.
1997-01-02 23:48:20 +00:00
Ian Lance Taylor
b9129c6fcd * config/tc-mips.c: Throughout, check target_big_endian rather
than byte_order.
 	(byte_order): Remove.
	(mips_init_after_args): Remove.
	* config/tc-mips.h (LITTLE_ENDIAN, BIG_ENDIAN): Don't define.
	(mips_init_after_args): Don't declare.
	(tc_init_after_args): Don't define.

	* config/tc-mips.h (tc_frob_after_relocs): Define if
	OBJ_MAYBE_ELF.
	(mips_elf_final_processing): Likewise.
	(ELF_TC_SPECIAL_SECTIONS): Likewise.
1997-01-02 20:13:05 +00:00
Ian Lance Taylor
18e0764dd5 * config/tc-mips.c (mips16_macro): Add case for M_ABS. 1996-12-30 16:36:37 +00:00
Fred Fish
6455664321 * NOTES.config (Implementation): as.h #define's "GAS" not "gas",
includes config.h instead of host.h, tc.h instead of tp.h, and
	targ-env.h instead of target-environment.h.
	Also, obj-format.h includes targ-cpu.h instead of
 	target-processor.h.
start-sanitize-tic80
	(Laying groundwork, that will be incrementally fleshed out,
	 for TIc80 support)
	* configure.in (case ${generic_target}): Add tic80-*-coff entry.
	* configure: Rebuild with autoconf.
	* config/obj-coff.h (coff/tic80.h): Include if TC_TIC80 defined.
	(TARGET_FORMAT): Define to "coff-tic80".
	* config/tc-tic80.c: New file for TIc80 support.
	* config/tc-tic80.h: New file for TIc80 support.
end-sanitize-tic80
1996-12-28 05:59:26 +00:00
Martin Hunt
59808ea7c8 Wed Dec 18 15:27:40 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
* tc-d10v.c (md_assemble): Fix bug which caused
	second instruction in a line to be case sensitize. PR11312
1996-12-18 23:38:41 +00:00
Jeff Law
5545556dc8 * config/tc-mn10200.c (mn10200_insert_operand): Don't
range check operands with MN10200_OPERAND_NOCHECK set.
        (check_operand): Likewise.
So the assembler won't check on "and -1,dn".
1996-12-18 17:14:10 +00:00
Ian Lance Taylor
f5e38044df * config/tc-mips.c: Undo part of last Friday's alignment changes.
(md_begin): Always align the text section to a four byte
	boundary.
	(append_insn): Remove call to record_align.
1996-12-18 01:01:56 +00:00
Ian Lance Taylor
fbcfacb75d * config/tc-mips.c (insn_label): Remove.
(struct insn_label_list): Define.
	(insn_labels, free_insn_labels): New static variables.
	(mips_clear_insn_labels): New static function.
	(append_insn): Mark all mips16 text labels, and make them odd.
	Handle all labels after emitting a nop, not just one.  Call
	mips_clear_insn_labels rather than just clearing insn_label.
	(mips_emit_delays): Add insns parameter, and use it to decide
	whether to mark mips16 labels.  Handle all labels, not just one.
	Force mips16 labels to be odd.  Change all callers.
	(mips16_immed): Don't check for an odd branch target.
	(md_apply_fix): Don't check mips16 mode for a branch reloc.
	(mips16_extended_frag): Ignore the low bit in a branch target.
	(md_convert_frag): Likewise.
	(mips_no_prev_insn): Call mips_clear_insn_labels rather than just
	clearing insn_label.
	(mips_align, mips_flush_pending_output, s_cons): Likewise.
	(s_float_cons, s_gpword): Likewise.
	(s_align): Use insn_labels rather than insn_label.
	(s_cons, s_float_cons, s_gpword): Likewise.
	(mips_frob_file_after_relocs): New function.
	(mips_define_label): Rewrite to add to insn_labels list.
	* config/tc-mips.h (tc_frob_file_after_relocs): Define.
	* ecoff.c (ecoff_build_symbols): If the size of a function comes
	out odd, increment it.
1996-12-17 20:58:57 +00:00
Ian Lance Taylor
c0dea4956d * config/tc-mips.c (mips16_ip): Check for a missing expression
when using the register indirect addressing mode.
1996-12-17 16:00:55 +00:00
Jeff Law
d4ba37afa0 * config/tc-mn10200.c (mn10200_insert_operand): Don't
check 24bit operands for overflow.
        (check_operand): Likewise.
1996-12-16 17:13:38 +00:00
Ian Lance Taylor
a677feeba4 * config/tc-mips.c (prev_insn_reloc_type): New static variable.
(RELAX_MIPS16_ENCODE): Add dslot and jal_dslot arguments, and
	store them.  Adjust other RELAX_MIPS16 macros.
	(RELAX_MIPS16_DSLOT): Define.
	(RELAX_MIPS16_JAL_DSLOT): Define.
	(append_insn): Pass new arguments to RELAX_MIPS16_ENCODE.  Correct
	handling of whether previous instruction has a fixup.  Set
	prev_insn_reloc_type.
	(mips_no_prev_insn): Clear prev_insn_reloc_type.
	(mips16_extended_frag): Use the right base address for a PC
	relative add or load.
	(md_convert_frag): Likewise.  If a PC relative add or load is
	used, record the alignment for the section.
1996-12-15 03:42:36 +00:00
Ian Lance Taylor
8a8121d51b * config/tc-mips.c (mips16_macro): Remove nop instructions after
branch instructions.
1996-12-13 18:13:05 +00:00
Ian Lance Taylor
08e17202ee * config/tc-mips.c (md_begin): If configured for an embedded ELF
system, don't set the section alignment to 2**4.
	(s_change_sec): Likewise.
	(append_insn): Call record_alignment for the section.
	(md_section_align): Don't align the section size for an embedded
	ELF system.
1996-12-13 18:02:35 +00:00
Ian Lance Taylor
8dd6fde3e5 * config/obj-coff.c (fixup_segment): Make sure that symbols are
resolved; expression symbols may have been skipped.
1996-12-12 22:41:22 +00:00
Jeff Law
8ca7163145 * config/tc-mn10300.c (md_assemble): Update to handle endianness
issues correctly.
1996-12-11 06:19:43 +00:00
Jeff Law
42aa243574 * config/tc-mn10200.c (md_assemble): Opcode 0x0 is valid!
* config/tc-mn10300.c (md_assemble): Likewise.
Found by mn10200 gas testsuite.
1996-12-10 19:33:48 +00:00
Ian Lance Taylor
41a0ed225b * config/tc-mips.c (mips16_extended_frag): Give an error for an
attempt to use a non absolute symbol in an extending frag.
1996-12-10 16:38:22 +00:00
Jeff Law
dc1f8a2115 * config/tc-mn10200.c: Flesh out assembler support for MN10200.
* config/tc-mn10200.h: Likewise.
Actually assembles some mn10200 stuff (everything but mov* instructions!)
1996-12-09 23:53:37 +00:00
Ian Lance Taylor
559c664adb * config/tc-mips.c (mips16_extended_frag): Avoid an infinite loop
when extending because the value is exactly maxtiny + 1.
1996-12-09 23:34:20 +00:00
Ian Lance Taylor
8728fa9263 * config/tc-mips.c (RELAX_MIPS16_ENCODE): Add small and ext
arguments, and store them.  Adjust other RELAX_MIPS16 macros.
	(RELAX_MIPS16_USER_SMALL): Define.
	(RELAX_MIPS16_USER_EXT): Define.
	(mips16_small, mips16_ext): New static variables.
	(append_insn): Pass mips16_small and mips16_ext to
	RELAX_MIPS16_ENCODE.
	(mips16_ip): Set mips16_small and mips16_ext.
	(mips16_immed): Don't check mips16_autoextend.
	(mips16_extended_frag): Check USER_SMALL and USER_EXT.
1996-12-09 23:26:15 +00:00
Ian Lance Taylor
f74ba7a3d9 * config/tc-mips.c (mips16_extended_frag): Don't call
S_GET_VALUE.
	(md_convert_frag): Call resolve_symbol_value before calling
	S_GET_VALUE, and don't add in the frag address.
1996-12-07 00:32:05 +00:00
Ian Lance Taylor
15e69f9816 * config/tc-mips.c (mips16_immed): Add file and line parameters,
and use them when reporting errors.  Change all callers.
1996-12-06 23:51:01 +00:00
Jeff Law
ca82e4ebdb * config/tc-mn10300.c: Fix various gcc -Wall warnings.
Remove '$' prefixing for registers.
1996-12-06 22:44:30 +00:00