tc-mn10200.h, tc-mn10300.h, tc-sh.h, tc-v850.h, tc-vax.h, tc-w65.h}:
Add default definition of zero for TARGET_BYTES_BIG_ENDIAN.
* config/{tc-arm.h, tc-hppa.h, tc-i386.h, tc-mips.h, tc-ns32k.h,
tc-ppc.h, tc-sparc.h}: Move definition of TARGET_BYTES_BIG_ENDIAN
to a location consistent with the rest of the target include files.
* config/tc-i386.c: Remove misleading comment.
* doc/internals.texi (CPU backend): Add description of function
md_undefined_symbol.
start-sanitize-tic80
* config/tc-tic80.c: Add code to insert predefined symbols into the
symbol table so they can be parsed by the standard expression parser.
Remove custom code that use to parse them.
* config/tc-tic80.h: Move definition of TARGET_BYTES_BIG_ENDIAN
to a location consistent with the rest of the target include files.
end-sanitize-tic80
* as.h: GNU c provides unlink() function.
Unify section handling on openVMS/Alpha:
* config/tc-alpha.c(s_alpha_link): Remove.
(s_alpha_section): New function.
Remove case-hacking of symbols
Add .code_address pseudo-op.
(BFD_RELOC_ALPHA_CODEADDR): New relocation.
(s_alpha_code_address): New function.
(alpha_ctors_section, alpha_dtors_section): New sections for C++
static constructors/destructors.
Add debug code for crash debugs, to be removed when traceback code
is added to object code.
(s_alpha_name): New function for .name pseudo-op.
(alpha_print_token): New function to print token expressions with
alpha specific extensions.
* makefile.vms: Allow compilation with current gcc snapshot.
(DVIPS): Set to dvips.
(ps, as.ps, gasp.ps): New targets.
(internals.info, gasp.dvi, internals.dvi): Set both TEXINPUTS
and MAKEINFO env variables.
(internals.ps): Use DVIPS macro.
(clean): Remove core and backup files.
(distclean): Remove temporary files from building internals.
(clean-dvi): Ditto.
* doc/internals.texi (Frags): Fix typo.
(GAS processing): Ditto.
(CPU backend): Ditto.
* ecoff.c (init_file): Use TARGET_BYTES_BIG_ENDIAN value directly.
* mpw-config.in: Define TARGET_BYTES_BIG_ENDIAN as 1.
* read.c: Remove ugly hack that dealt with config files not
correctly defining TARGET_BYTES_BIG_ENDIAN.
(target_big_endian): Use TARGET_BYTES_BIG_ENDIAN directly.
* config/arm-big.mt: Define TARGET_BYTES_BIG_ENDIAN to 1.
* config/arm-lit.mt: Define TARGET_BYTES_BIG_ENDIAN to 0.
* config/mips-big.mt: Define TARGET_BYTES_BIG_ENDIAN to 1.
* config/mips-lit.mt: Define TARGET_BYTES_BIG_ENDIAN to 0.
* config/ppc-lit.mt: Define TARGET_BYTES_BIG_ENDIAN to 1.
* config/ppc-sol.mt: Replace TARGET_BYTES_LITTLE_ENDIAN
with TARGET_BYTES_BIG_ENDIAN defined to 0.
* config/tc-arm.h: Remove use of TARGET_BYTES_LITTLE_ENDIAN
and simplify. Test value of TARGET_BYTES_BIG_ENDIAN, not just
whether it is defined or not.
* config/tc-mips.h: Remove use of TARGET_BYTES_LITTLE_ENDIAN.
* config/tc-ppc.h: Remove use of TARGET_BYTES_LITTLE_ENDIAN
and simplify. Test value of TARGET_BYTES_BIG_ENDIAN, not just
whether it is defined or not.
start-sanitize-tic80
* config/tic80.h (TARGET_FORMAT): Define to coff-tic80.
(TARGET_BYTES_BIG_ENDIAN): Define to 0.
end-sanitize-tic80
* config/tc-m68k.c (LEX_TILDE): Define if TE_DELTA.
* read.c (LEX_TILDE): Define if not defined.
(lex_type): Use LEX_TILDE.
* expr.c (get_symbol_end): Check first char with is_name_beginner,
not is_part_of_name.
(prev_nop_frag_holds): New static variable.
(prev_nop_frag_required): New static variable.
(prev_nop_frag_since): New static variable.
(append_insn): If we aren't reordering, and prev_nop_frag is not
NULL, and we don't need any nops, then decrease the size of
prev_nop_frag. Don't insert nops because of instructions in
noreorder sections. Remember whether the previous instructions
where in noreorder sections even when not reordering.
(mips_no_prev_insn): Add preserver parameter. Change all
callers. Refer prev_nop_frag variables when appropriate.
(mips_emit_delays): Set up prev_nop_frag.
(s_mipsset): Clear prev_nop_frag if reordering.
extended instruction in a delay slot when not reordering. Set
prev_insn_valid even if not reordering.
(md_convert_frag): Warn if an extended instruction appears in a
delay slot.
symbol table.
(mips16_ip): First parse the expression, and then see whether it
came up with a register, rather than trying to first see whether
we are looking at a register.
(md_apply_fix): Handle BFD_RELOC_MIPS16_GPREL.
* config/tc-mips.c (append_insn): Output jump instruction as a
pair of 2 byte instructions, rather than as a single 4 byte
instruction.
start-sanitize-r5900
* config/tc-mips.c (md_begin): Correct test of mips_5900.
(mips_ip): Don't check INSN_ISA for a macro.
end-sanitize-r5900
instruction registers, opcodes and formats. Build internal table
for new instructions and provide callbacks for assembler and
disassembler.
* itbl-lex.l, itbl-parse.y: Lex and yacc parsers for instruction
spec table.
* itbl-ops.h: New file. Header file for itbl support.
* config/itbl-mips.h: New file. Mips specific definitions for
itbl support.
an equated symbol.
* write.c (write_relocs): Avoid looping on equated symbols.
Adjust fx_offset by X_add_number for each symbol.
* config/obj-coff.c (do_relocs_for): Avoid looping on equated
symbols.
(fixup_segment): Add a loop to track down equated symbols and
adjust fx_offset appropriately.
* read.c (read_a_source_file): After doing an mri_pending_align,
adjust the line_label if there is one.
(s_space): Set mri_pending_align if an odd number of bytes were
output.
* tc-d10v.h (md_do_align): Add this hook to call
d10v_cleanup() when a ".align" is detected. Fixes PR11487.
* tc-d10v.c (find_opcode): Correctly calculate
branch displacement when .aligns are present.
* 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.
(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.
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!
* 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.
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.
* 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.
* gas/mips/mips.exp: Run mips16 test.
* gas/mips/mips.exp: Run dli test unconditionally.
* gas/mips/dli.s: Add text symbol. Add nops to round to 16 byte
boundary.
* gas/mips/dli.d: Corresponding changes.
add segment argument. If OBJ_ELF, treat a relocation against a
symbol in a linkonce section like a relocation against an external
symbol.
* config/tc-sparc.h (MD_APPLY_FIX3): Define.
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
(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.
(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.
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.
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.
* config/tc-d10v.c (md_assemble): Check to see if prev_seg
is initialized before using it.
(d10v_cleanup): No longer uses its argument, so make it void.
* config/tc-d10v.h (d10v_cleanup): Change prototype.
(relax_segment, case rs_org): Move code inside braces. Move locals
target,after inside too.
(relax_segment, case rs_machine_dependent): Guts moved to ...
(relax_frag): New function.
Call md_prepare_relax_scan if defined.
* config/tc-m68k.h (md_prepare_relax_scan): Renamed from
M68K_AIM_KLUDGE.
(tc_fix_adjustable): Don't adjust relocs against weak symbols or
pc-relative relocs.
* config/tc-mn10300.c (md_begin): Set linkrelax.
(md_assemble): Create fixups as needed.
(md_apply_fix3): Gut. It shouldn't ever get called anymore.
First stab at fixups/relocs.
into call and jmp instructions with 32bit offsets.
Fix typo in bit test patterns.
* gas/mn10300/other.s: Tweak constants to improve
testsuite coverage.
operands are assumed to be 32bits. Use "bits" field to hold the
number of bits in the main instruction word for MN10300_OPERAND_SPLIT.
(mn10300_check_operand): MN10300_OPERAND_SPLIT operands are assumed
to be 32bits.
movbu, movhu instructions. Check bit patterns for more bit
operations. Check bit patterns for various 16bit call, retf
and ret instructions.
* gas/mn10300/other.s: Update operands for better test coverage.
Improving testsuite coverage.
the extension part of the instruction if necessary.
(mn10300_insert_operand): Accept pointer to extension word
argument. Make insn a pointer argument too. Return type
is now void. All callers changed.
So we can correct insert operands into any instruction except those
which have 32bit operands.
alpha_macro emit field to expect a const argument, and change the
arg field to be const. Fix some spacing to follow the GNU
standard.
Fri Nov 1 10:32:03 1996 Richard Henderson <rth@tamu.edu>
* config/tc-alpha.c (md_parse_option): Add knowledge of 21164pc
(pca56) and 21264 (ev6) cpus.
(md_apply_fix): Private relocation types are now negative.
(alpha_force_relocation): Likewise.
(tc_gen_reloc): Likewise.
(emit_insn): Likewise.
(emit_ldXu): Do the right thing when the hardware can do byte insns.
(emit_stX): Likewise.
(emit_sextX): Likewise.
* config/tc-v850.c: Fix some indention problems.
(md_relax_table): Define for D9->D99 branch displacement
relaxing.
(md_convert_frag): Do something useful instead of aborting.
(md_estimate_size_before_relax): Likewise.
(md_assemble): Note if the matching instruction has a relaxable
operand. If it does, allocate frag with frag_var and don't
do any fixups.
So we can do 9bit displacement to 22bit displacement relaxing.
hacks to improve parsing of complex hi, lo, zda, etc
expressions.
(md_assemble): Don't demand and eat a trailing ')' after finding
a v850 relocation prefix. Sign extend the constant in a
BFD_RELOC_LO16 expression. Do eat a trailing ')' after a complete
operand.
(parse_cons_expression_v850): Don't eat a trailing ')' after
finding a v850 relocation prefix.
Trying to get nec's sample code to assemble. Why oh why didn't JT try
to assemble any of their code...
(TC_CONS_FIX_NEW): Likewise.
* config/tc-v850.c (parse_cons_expression_v850): New function.
(cons_fix_new_v850): Likewise.
So we can handle ".hword lo(_foo)".
(md_pcrel_from_section): New function.
* config/tc-v850.h (MD_PCREL_FROM_SECTION): Define.
So we don't screw up pc-relative jumps/calls from one section
into another section within the same .o file.
Fixes global ctors/dtors to work with DECL_ONE_ONLY stuff.
assembler now always builds a symbol table, which means that
objdump will no longer report `No symbols in FILE'. Change the
expected output accordingly.
* config/obj-elf.c (elf_frob_file): Move ECOFF debug processing to ...
(elf_frob_file_after_relocs): ... here. New function.
* config/obj-elf.h (obj_from_file_after_relocs): New macro.
* write.c (write_object_file): Call *frob_after_relocs after the
call to write_relocs.
* config/tc-alpha.c: Use new BFD_RELOC_ALPHA_ELF_LITERAL reloc.
* config/tc-alpha.c (load_expression): Don't SET_VALUE on the section
symbol, as this messes up linking. Instead, expand the recursive call
inline and change up the appropriate bits to get the 0x8000 offset
in the reloc addend.
with a single 8bit or 16bit immediate operand.
We should correctly assemble just about everything except opcodes with:
multiple immediate operands,
3 register operands,
really weird stuff
instructions. Add missing test in do_mov1.
* gas/mn10300/mov1.s: Add missing test.
We should now assemble just about anything without any
immediate operands.
* config/tc-m68k.c (select_control_regs): New function, extracted
out of m68k_init_after_args.
(m68k_init_after_args): Use it.
(mri_chip): Use it here as well to update set of allowed control
regs for movec.
(obj_elf_section): Add the section symbol to the symbol table.
* config/obj-elf.h (obj_begin): Define.
(elf_begin): Declare.
* as.c (perform_an_assembly_pass): Call obj_begin if it is
defined.
* obj-evax.h: move openvms definitions from here to tc-alpha.c.
* tc-alpha.c: add support for vms_case_hack like in vax/vms.
(load_expression): track clobbering of base reg before jmp/jsr.
(s_alpha_file): pass case_hack flags and source filename via
symbol table to bfd.
* tc-alpha.h (TC_CONS_FIX_NEW): define
pseudo-op.
(s_space): In m68k MRI mode, align to a word boundary.
* macro.c (define_macro): Add namep parameter. Change all
callers.
* macro.h (define_macro): Update declaration.