architecture variant in the BFD and COFF structures. This goes towards
fixing PRs 11709 and 11326 and will integrate with future updates to LD and
GCC.
M_LI_DD.
(mips_ip): For 'F', 'L', 'f', and 'l', generate a constant rather
than an address if the floating point value looks sufficiently
simple.
PR 12237.
rather than always using 100.
(data_buffer_size): Remove static variable.
(calc_hex): Make data_buffer_size a local variable. Don't leave
any slop when filling data_buffer.
(INSTALL): Set to @INSTALL@.
(INSTALL_XFORM, INSTALL_XFORM1): Remove.
(all, dvi): Don't set srcroot.
(install): Depend upon as.new, gasp.new, and installdirs. Use
$(program_transform_name) directly, rather than using
$(INSTALL_XFORM) and $(INSTALL_XFORM1).
(installdirs): New target.
* doc/Makefile.in (INSTALL_XFORM1): Remove.
(install): Depend upon installdirs. Use $(program_transform_name)
directly, rather than using $(INSTALL_XFORM) and
$(INSTALL_XFORM1).
(installdirs): New target.
(install-info-as): Run mkinstalldirs.
(install-info-gasp): Likewise.
fr_targ.ns32k.pcrel_adjust. fr_bsr renamed to fr_targ.ns32k.bsr.
(frag_variant): Likewise.
* Makefile.in: Tweak last entry, cgen.o is in extra_objects!
(mips_opts): New static variable.
(mips_isa): Remove. Now a field in mips_opts. Change all
references.
(mips16, mips16_autoextend, mips_warn_about_macros): Likewise.
(mips_noreorder, mips_nomove, mips_noat, mips_nobopt): Likewise.
(struct mips_option_stack): Define.
(mips_opts_stack): New static variable.
(s_mipsset): Add support for .set push and .set pop.
* doc/c-mips.texi: Document .set push and .set pop.
callers.
(listing_listing): Only call calc_hex for the right line.
(listing_list): Set the new edict based on the current edict, in
order to handle listing commands in macros correctly.
* config/tc-d30v.c (md_assemble): If two instructions
are supposed to be assembled in parallel and the first one is
long, print an error and stop.
(md_apply_fix3): Don't calculate absolute relocs. Just write
them out.
OBJ_ECOFF.
(alpha_frob_file_before_adjust): Declare if OBJ_ECOFF.
* config/tc-alpha.c (alpha_debug): New static variable.
(md_parse_option): Set alpha_debug if -g is seen.
(alpha_frob_file_before_adjust): New function if OBJ_ECOFF.
AC_LINK_FILES. Substitute te_file. Create targ-cpu.h,
obj-format.h, targ-env.h, and itbl-cpu.h in AC_OUTPUT.
* configure: Rebuild.
* Makefile.in (TARG_CPU_C): New variable.
(TARG_CPU_O, TARG_CPU_H): New variables.
(OBJ_FORMAT_C, OBJ_FORMAT_O, OBJ_FORMAT_H): New variables.
(TARG_ENV_H, ATOF_TARG_C, ATOF_TARG_O): New variables.
(SOURCES): Rename from REAL_SOURCES. Delete old definition.
(LINKED_SOURCES): Remove.
(HEADERS): Rename from REAL_HEADERS. Delete old definition.
(LINKED_HEADERS): Remove.
(OBJS): Use $(TARG_CPU_O), etc., rather than targ-cpu.o, etc.
($(OBJS)): Depend upon $(TARG_ENV_H), etc., rather than
targ-cpu.h, etc.
($(TARG_CPU_O), $(OBJ_FORMAT_O) $(ATOF_TARG_O)): New targets.
(targ-cpu.o, obj-format.o, atof-targ.o): Remove targets.
(itbl-cpu.h): Remove target.
(DISTCLEAN_HERE): Remove targ-cpu.c, obj-format.c, atof-targ.c,
atof-targ.h.
* frags.c (frag_var): Change offset parameter to offsetT.
(frag_variant): Likewise.
* frags.h (frag_variant, frag_var): Update declarations.
* config/tc-m68k.c (struct m68k_it): Change foff field to
offsetT.
(add_frag): Change off parameter to offsetT.
* Several files: Add casts to calls to frag_var.
* config/te-delta.h (COFF_COMMON_ADDEND): Define.
* config/obj-coff.c (fixup_segment): Check COFF_COMMON_ADDEND when
storing the value of a common symbol.
* config/obj-coff.c (glue_symbols): Unused variable symbolP
removed.
(crawl_symbols): Do not modify symbol_rootP and symbol_lastP here;
that is done by symbol_remove and symbol_insert.
* config/obj-coff.h (S_IS_LOCAL): Return 0 for a debugging
symbol.
(symbol_append): Set sy_next and sy_previous when adding a single
symbol to an empty list. Call debug_verify_symchain.
(verify_symbol_chain): Use assert, not know.
ELF or COFF, you are permitted to switch into the section.
(Comm): Rewrite description of common symbols.
(Lcomm): Mention that some targets permit a third argument.
* config/obj-elf.h (struct elf_obj_sy): Define.
(OBJ_SYMFIELD_TYPE): Define to elf_obj_sy struct. Change all
users.
* config/obj-elf.c (obj_elf_symver): Just record the name.
(obj_symbol_new_hook): Initialized versioned_name field.
(elf_frob_symbol): If there is a versioned_name, either rename the
symbol, or add an alias with that name.
(md_convert_frag): Implement.
(md_assemble): Handle relaxable operands/instructions correctly.
(md_estimate_size_before_relax): Implement.
* config/tc-mn10300.h (TC_GENERIC_RELAX_TABLE): Define.
Branch relaxing for the mn10300. Reduces the code size of our libraries by
about 11%.
message, and add newline.
(process_file): Don't process assignments in the label if this is
a equ or assign pseudo-op.
(process_pseudo_op): Swap first argument to do_assign for K_ASSIGN
and K_EQU, to match documentation.
* config/tc-m68k.c (instring): Useless local declaration of
crack_operand removed.
* expr.h (expressionS): Changed type of X_op field to operatorT if
__GNUC__.
* config/tc-i960.h (TC_SYMFIELD_TYPE): Define if OBJ_COFF.
(_tc_get_bal_of_call): Don't declare.
(tc_get_bal_of_call): Declare as function, don't define as macro.
* config/tc-i960.c (tc_set_bal_of_call): If OBJ_COFF, store balP
in sy_tc field, not x_balntry field.
(tc_get_bal_of_call): Rename from _tc_get_bal_of_call. Change
return type to symbolS *. If OBJ_COFF, retrieve value from sy_tc
field, not x_balntry field.
(TARG_CPU_DEP_mips): Depend upon $(srcdir)/itbl-ops.h.
(itbl-lex.o): Depend upon itbl-parse.h.
* itbl-parse.y (yyerror): Change return type to int. Change to
use old style function declaration.
call listing_list.
(s_if, s_ifc, s_endif, s_else, s_ifeqs): Likewise.
* listing.c (list_info_struct): Add EDICT_NOLIST_NEXT.
(listing_listing): Handle EDICT_NOLIST_NEXT.
(listing_list): An argument of 2 means EDICT_NOLIST_NEXT.
* listing.h (LISTING_NOCOND): Define.
(LISTING_SKIP_COND): Define.
* as.c (show_usage): Mention c as a suboption of -a.
(parse_args): Handle c as a suboption of -a.
* doc/as.texinfo: Document -alc.
start-sanitize-tic80
* config/tc-tic80.c (md_pseudo_table): Add entry for bss, which takes
an additional alignment argument.
(find_opcode): Allow O_symbol relocs for any 32 bit field, not just
base relative ones.
(build_insn): Handle O_symbol relocs for any 32 bit field, not just
base relative ones.
end-sanitize-tic80
* configure, configure.in: Move itbl-cpu.h to mips specific configure.
* itbl-ops.h: Include itbl-cpu.h only if HAVE_ITBL_CPU is defined.
* config/tc-mips.h: Define HAVE_ITBL_CPU.
* itbl-lex.l: Fix indentation mistakes from indent program.
* itbl-ops.h: Add include for ansidecl.h.
Add PARAMS around function arguments.
Add declaration for itbl_have_entries.
* itbl-ops.c: Add PARAMS around function arguments.
* Makefile.in: Add itbl build rules.
Add dependancies for itbl files to mips target.
* as.c: Add itbl support.
Add new option "--insttbl" for dynamically extending instruction set.
* as.h: Declare insttbl_file_name;
the name of file defining extensions to the basic instruction set
* configure.in, configure: Add itbl-parse.o, itbl-lex.o, and
itbl-ops.o to extra_objects for mips configuration.
Add include file link from itbl-cpu.h to
config/itbl-${target_cpu_type}.h.
* config/tc-mips.c: Allow copz instructions.
Add notes for future additions to the itbl support.
Add debug macros.
(macro): Call itbl_assemble to assemble itbl instructions.
See if an unknown register is specified in an itbl entry.
description.
start-sanitize-tic80
* config/tc-tic80.h (NEED_FX_R_TYPE): Define.
* config/tc-tic80.c (find_opcode): Add code to support O_symbol
operands.
(build_insn): Grab a frag early so we can use the address in
fixups. Take one's complement of BITNUM values before insertion
in opcode. Add code to support O_symbol operands.
(md_apply_fix): Replace unimplemented warning with implementation.
(md_pcrel_from): Ditto.
(tc_coff_fix2rtype): Ditto.
end-sanitize-tic80
These changes are related to Ian's gas/libgloss changes of Dec 13/Dec 18.
* tc-mips.c (mips_ip): If configured for an embedded ELF system,
don't set the section alignment to 2**4.
* mips/ddb.ld: Align the location counter before setting _gp, and
before setting edata. Remove ALIGN from _gp computation.
* mips/idt.ld, mips/pmon.ld: Before setting _gp, use ALIGN(8) instead
of ALIGN(16). Remove ALIGN from _gp computation.
(do_scrub_begin): Don't set lex['*'].
(do_scrub_chars): When handling LEX_IS_TWOCHAR_COMMENT_1ST, don't
check for LEX_IS_TWOCHAR_COMMENT_2ND. Instead, just check for
a literal '*'.
short conditional branch around a long unconditional branch.
Showing the reloc will allow the linker to shorten the long unconditional
branch or remove the long unconditional branch entirely when relaxing.
does not actually work, though:
* configure.in (i386-sequent-bsd*): New target.
* configure: Rebuild.
* config/tc-dynix.h: New file.
* config/tc-i386.h: Define TARGET_FORMAT if TE_DYNIX.
* config/tc-m68k.c (LOCAL_LABEL): Macro redefined if TE_DELTA.
(tc_canonicalize_symbol_name): Macro defined if TE_DELTA.
* config/obj-coff.c (obj_coff_def): Use
tc_canonicalize_symbol_name if defined.
(obj_coff_tag, obj_coff_val): Likewise.
* expr.c (operand): Reject '~' as operator if is_name_beginner.
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.
(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.
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.
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.
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.
* 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.
* 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.
(parse_args): Change version printing to match current GNU
standards.
* gasp.c (show_usage): Print bug report address.
(main): Change version printing to match current GNU standards.
* config/tc-arm.c (md_apply_fix3): Update two thumb instruction
slots when processing BL fixups.
* config/tc-arm.c (output_inst): Ensure Thumb BL fixup is marked
on the first half of the instruction.
Thu Sep 12 10:28:44 1996 James G. Smith <jsmith@cygnus.co.uk>
* gas/arm/thumb.s (back): Check assembly of Thumb BL.
mips_cpu is 5000, set interlocks and cop_interlocks.
(mips_ip): Give a better error message if the ISA level is wrong.
(md_parse_option): Recognize -mcpu=[v][r]5000.
* config/tc-d10v.c (d10v_dot_word): New function to support
"@word" with the word pseudo-op.
(md_apply_fix3): Cleanup and changes to support correct sizes
for 16 and 18-bit relocs.
* config/tc-mips.c (load_register): Remove unnecessary code that
was causing the high 32bits of 64bit constants to be lost.
Fixes PR10503. The compiler was producing the assembler code:
dli $3,0xfffffffffffff
when constructing the softfloat library. Unfortunately it was being
incorrectly assembled.
(v850_reloc_prefix): Provide prototype.
(postfix, get_reloc, build_insn): Remove prototypes for nonexistant
functions.
(md_begin, md_assemble, md_apply_fix3): Remove unused variables.
(md_assemble): Add default to case statement.
Minor cleanups.
routines to fetch/store the updated instruction from/to memory.
(v850_insert_operand): If the operand has a specialized insert
routine, call it.
Getting fixups closer. At least br <target> works now.
be like identical function found in tc-ppc.c.
(get_reloc): Removed.
(v850_reloc_prefix): New function, parse lo(), hi() and hi0().
(md_assemble): emit fixups.
(md_pcrel_from): renamed from md_pcrel_from_section, emit proper
displacement.
(md_apply_fix3): handle fixups/relocs.
* config/tc-v850.h (MD_PCREL_FROM_SECTION): Removed definition.
* configure.in (sh-*-elf*): New target.
* config/tc-sh.h (TARGET_ARCH): Define.
(WORKING_DOT_WORD): Define.
(TC_COFF_FIX2RTYPE): Only define if OBJ_COFF.
(BFD_ARCH, COFF_MAGIC, TC_COUNT_RELOC): Likewise.
(TC_RELOC_MANGLE, tc_coff_symbol_emit_hook): Likewise.
(DO_NOT_STRIP, NEED_FX_R_TYPE, TC_KEEP_FX_OFFSET): Likewise.
(TC_COFF_SIZEMACHDEP, tc_frob_file): Likewise.
(SUB_SEGMENT_ALIGN): Likewise.
(RELOC_32): Don't define.
(tc_frob_file_before_adjust): Define if BFD_ASSEMBLER.
(target_big_endian): Declare if OBJ_ELF.
(TARGET_FORMAT): Define if OBJ_ELF.
* config/tc-sh.c: Use BFD reloc codes instead of SH COFF reloc
numbers throughout.
(tc_crawl_symbol_chain): Only define if OBJ_COFF.
(tc_headers_hook, tc_coff_sizemachdep): Likewise.
(struct sh_count_relocs): Define.
(sh_count_relocs): New static function, broken out of
sh_frob_file. Add BFD_ASSEMBLER code.
(sh_frob_section): Likewise.
(sh_frob_file): Call sh_frob_section.
(md_convert_frag): If BFD_ASSEMBLER, change type of headers, and
call section_symbol rather than seg_info (seg)->dot.
(md_section_align): Add OBJ_ELF version.
(SWITCH_TABLE_CONS): Define.
(SWITCH_TABLE): Use SWITCH_TABLE_CONS.
(md_apply_fix): Change parameter types if BFD_ASSEMBLER. Only
handle fx_r_type == 0 if not BFD_ASSEMBLER. Return 0 if
BFD_ASSEMBLER.
(struct reloc_map): Define if not BFD_ASSEMBLER.
(coff_reloc_map): Likewise.
(sh_coff_reloc_mangle): Use coff_reloc_map to convert fx_r_type.
(tc_gen_reloc): New function if BFD_ASSEMBLER.
* write.c (write_relocs): Ifdef out fx_where test which triggers
inappropriately for SH ELF.
(write_object_file): Call tc_frob_file_before_adjust and
obj_frob_file_before_adjust if they are defined.
* write.c (write_object_file): Use BFD_RELOC_16, not
BFD_RELOC_NONE, when calling fix_new_exp for a broken word.
* config/tc-d10v.c (find_opcode): Fix a bug which could generate
the wrong opcode for cases like st2w where there are many forms
of the same instruction.
calling symbol_find_or_make.
* config/tc-ppc.h (md_parse_name): Define.
(ppc_parse_name): Declare.
* config/tc-ppc.c (reg_name_search): Add regs and regcount
parameters.
(register_name): Update call to reg_name_search.
(cr_operand): New static variable.
(cr_names): New static const array.
(ppc_parse_name): New function.
(md_assemble): If PPC_OPERAND_CR is set in the operand flags, set
cr_operand before calling expression.
PR 10460.
* config/tc-d10v.c: Fixed ".word". Fixed problem with range checking
on addresses. Improved error messages.
* doc/c-d10v.texi: Added docs for register pairs.
(add_file): Restore old file merging code, but only merge files if
fMerge is set.
(ecoff_directive_loc): Clear fMerge field of current file.
(ecoff_generate_asm_lineno): Likewise.
any given register table.
(register_name): Pass appropriate table and size to reg_name_search.
(system_register_name): New function.
(SYSREG_NAME_CNT): Define.
(md_assemble): Handle operands which are system registers.
Still working on the parser..
opcode doesn't want a register, then we don't have a match.
(md_assemble): Get size of the instruction from the opcode table.
So we choose the right opcode and so that we get the sizes right.
Add support for openVMS/Alpha.
* as.h (PRINTF_LIKE): Don't define if VMS, for now.
* config/obj-evax.c: New file.
* config/obj-evax.h: New file.
* config/tc-alpha.c: Add support for EVAX format if OBJ_EVAX is
defined.
* config/tc-alpha.h: Add support for EVAX format if OBJ_EVAX is
defined. Add case for bfd_target_evax_flavour.
* config/vms-a-conf.h: New file.
* conf-a-gas.com: New file.
* configure.in: Add target alpha-*-*vms*.
* configure: Rebuild.
* makefile.vms: New file.
* read.c (s_lcomm): Align bss_seg on 8 byte boundary if OBJ_EVAX.
Don't call ffs on openVMS/Alpha.
by a constant before entering the main switch. Reject attempts to
apply an arithmetic function to non-absolute symbols, except for
the special case of subtraction of two symbols in the same
section.
* configure.in: Make GAS_CHECK_DECL_NEEDED include <string.h> or
<strings.h> if they exist. Call GAS_CHECK_DECL_NEEDED on strstr
and sbrk.
* acconfig.h (NEED_DECLARATION_STRSTR): New macro.
(NEED_DECLARATION_SBRK): New macro.
* configure, conf.in: Rebuild.
* as.h: Only include <strings.h> if HAVE_STRINGS_H.
(strstr): Declare if NEED_DECLARATION_STRSTR.
* as.c: If HAVE_SBRK and NEED_DECLARATION_SBRK, declare sbrk.
#ifndef OBJ_ELF lines. From Eric Valette <valette@crf.canon.fr>.
(tc_gen_reloc): If out of memory call as_fatal rather than
assert. If no howto found, call as_bad_where rather than
as_fatal. Change the error message slightly. Set howto to a
non-NULL value in order to keep going.
from ".b", ".w" and ".l" extensions. All callers changed. If
the base instruction has no operands, then use the size to
determine which specific instruction to use.
Fixing eepmov instructions.
* config/tc-arm.c: Changed INSN_SIZE to variable insn_size, as
pre-cursor to adding Thumb support. Also added cpu_variant flag
information to each of the asm_flg structures.
(md_parse_option): Updated ARM7 parsing to allow 't' for
thumb/halfword support, aswell as 'm' for long multiply.
(md_show_usage): Updated help message.
(md_assemble): Check that instruction flags are applicated to the
current cpu variant.
(md_apply_fix3, tc_gen_reloc): Add BFD_RELOC_ARM_OFFSET_IMM8 and
BFD_RELOC_ARM_HWLITERAL relocation support for new halfword and
signextension instructions.
(do_ldst): Generate halfword and signextension variants if
mnemonic flags match.
(ldst_extend): Do not allow shifts in the offset field of halfword
or signextension instructions.
(validate_offset_imm): Provide check on halfword and signextension
immediate range.
(add_to_lit_pool): Merge identical literal pool values.
Wed Jul 31 15:55:12 1996 James G. Smith <jsmith@cygnus.co.uk>
* gas/arm/arm7t.s: Added.
* gas/arm/arm7t.d: Added.
* gas/arm/arm.exp: Updated to run the new test.
(cons_fix_new_hppa): Don't coke on e_esel.
(tc_gen_reloc, SOM version): Handle R_COMP2 when used
to help generate exception handling tables.
(md_apply_fix): Don't try to apply fixups with an e_esel
selector.
(hppa_fix_adjustable): Fixups with e_esel selectors
are not adjustable.
Another stab at EH on the PA.
* config/tc-d10v.c: Fix packaging bug. Added range checking.
Added kludge for divs instruction. Fixed minor problem with
multiple text sections.
* config/tc-d10v.h (d10v_cleanup): Change prototype.
Tue Jul 23 10:49:36 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
* config/tc-d10v.c (md_apply_fix3): Fix all instruction
addresses to be right-shifted by 2.
end-sanitize-d10v
Mon Jul 22 11:32:36 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
* config/tc-d10v.c: Many changes to get relocs working.
(register_name): No longer creates a symbol for register names.
(pre_defined_registers): moved to opcodes/d10v-opc.c.
(d10v_insert_operand): Now works correctly for either container.
* config/tc-d10v.h (d10v_cleanup): Declare.
end-sanitize-d10v
* tc-alpha.c: Patches to track current minimum alignment to reduce
the number of fragments created with frag_align.
(alpha_current_align): New static variable.
(s_alpha_text): Reset alignment to 0.
(s_alpha_data, s_alpha_rdata, s_alpha_sdata): Likewise.
(s_alpha_stringer, s_alpha_space): New functions.
(s_alpha_cons, alpha_flush_pending_output): Remove functions.
(alpha_cons_align): New function to replace both of them.
(emit_insn): Only align if alpha_current_align is less than 2;
reset alpha_current_align to 2.
(s_alpha_gprel32): Likewise.
(s_alpha_section): New function. Basically duplicate the other
alpha section change hooks. Only define for ELF.
(s_alpha_float_cons): Simplify alignment handling.
(md_pseudo_table): Only define "rdata" and "sdata" if OBJ_ECOFF.
If OBJ_ELF, define "section", "section.s", "sect", and "sect.s".
Don't define the s_alpha_cons pseudo-ops. Do define
s_alpha_stringer and s_alpha_space pseudo-ops.
(alpha_align): Skip if less than current default alignment. Set
default alignment.
* tc-alpha.h (md_flush_pending_output): Remove.
(md_cons_align): Add.
* tc-alpha.c: Add oodles of function description comments.
(md_bignum_to_chars): Remove; there are no callers.
(md_show_usage): Mention some more variants.
uaxword to use s_uacons.
(sparc_no_align_cons): New static variable.
(s_uacons): New static function.
(sparc_cons_align): If sparc_no_align_cons is set, just clear it
and return.
Wed Jul 17 14:25:13 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
* config/tc-d10v.c: New file.
* config/tc-d10v.h: New file.
* configure (d10v-*-elf): New target.
* configure.in (d10v-*-elf): New target.
end-sanitize-d10v
* config/tc-alpha.c (alpha_align): Change fill parameter
to a pointer. Take NULL as 0 or nop depending on section. Change
all callers.
(s_alpha_align): Rename local variables.
* doc/as.texinfo (.align): Document action of omitted
fill parameter.
if fx_pcrel is set. Correct setting the addend case in the
OBJ_ELF case (from Andreas Schwab
<schwab@issan.informatik.uni-dortmund.de>).
(md_show_usage): Correct -mfc5200 to -m5200.
* config/tc-mips.c (mips_ip): Only perform range check when
dealing with O_constant expressions.
Problem noticed by QMS, where "%lo(SYM + LARGEOFFSET)" would complain
about the OFFSET being greater than 16bits or not absolute, when it
should really just be taking the lo-16bits of the final address value.
registers.
* config/tc-m68k.c (mcf5200_control_regs): New variable,
array of control registers for the coldfire.
(cpu_of_arch): Added mcf5200.
(archs): Added mcf5200.
(init_table): Add new control registers.
(m68k_ip): Added support for new control registers.
(m68k_init_after_args): Likewise.
* config/tc-m68k.c (md_show_usage): Add -m5200 to usage text.
(sparc_cons_align): Declare.
(HANDLE_ALIGN): Define.
(sparc_handle_align): Declare.
* config/tc-sparc.c (sparc_cons_align): New function.
(sparc_handle_align): New function.
* read.c (cons_worker): Call md_cons_align if it is defined.
* config/tc-mips.c: Added cop_interlocks, to avoid NOP insertion
between co-processor comparisons and branches for the VR4300.
The preliminary documentation was slightly unclear on this issue, but
NEC have confirmed that there is an interlock within the CPU.
* configure.in: Add alpha-*-linuxecoff* target. Use elf for
alpha-*-linux* target. Force bfd_gas for alpha-*. Require
opcodes library for alpha.
* configure: Rebuild with autoconf 2.10.
* config/tc-alpha.c: Substantial rewrite to add ELF support and
use new opcode table.
* config/tc-alpha.h (md_undefined_symbol): Don't define.
(LOCAL_LABEL): Define differently if OBJ_ELF.
(FAKE_LABEL_NAME): Define if OBJ_ELF.
* config/alpha-opcode.h: Remove.
* config/obj-elf.h: If TC_ALPHA, define ECOFF_DEBUGGING.
* Makefile.in (TARG_CPU_DEP_alpha): Depend upon
include/opcode/alpha.h rather than config/alpha-opcode.h.
(expr_symbol_lines): New static variable.
(make_expr_symbol): Add entry to expr_symbol_lines.
(expr_symbol_where): New function.
* expr.h: Use extern on function declarations.
(expr_symbol_where): Declare.
* symbols.c (resolve_symbol_value): Try to use expr_symbol_where
rather than printing the meaningless name of an expression
symbol.
* config/tc-i386.h (md_number_to_chars): New macro.
* config/tc-alpha.c (build_operate_n, build_mem): Moved earlier in the file.
(load_symbol_address, load_expression): Use build_mem.
(build_operate): New function.
(emit_addq_r): Use it.
Wed Mar 13 22:14:14 1996 Pat Rankin <rankin@eql.caltech.edu>
* symbols.c (colon): #if VMS, use S_SET_OTHER to store `const_flag'.
Tue Mar 5 14:31:45 1996 Pat Rankin <rankin@eql.caltech.edu>
* config/tc-vax.h (NOP_OPCODE): Define.
Sun Feb 4 21:01:03 1996 Pat Rankin <rankin@eql.caltech.edu>
* config/obj-vms.h (S_IS_COMMON): Define.
(S_IS_LOCAL): Check for \002 as well as \001.
(LONGWORD_ALIGNMENT): New macro.
(SUB_SEGMENT_ALIGN): Use it.
Fri Jan 26 17:44:09 1996 Pat Rankin <rankin@eql.caltech.edu>
* config/vms-conf.h: Reconcile with conf.in.
(defsyms): New static variable.
(parse_args): Just put --defsym arguments on defsyms list, rather
than defining them.
(main): Define defsyms after output file is created.
(build_bytes): Likewise.
(skip_colonthing): Handle :32 suffix.
(get_specific): Promote L_24 to L_32 if it makes a match.
Don't always promote L_8 to L_16.
(do_a_fix_imm): Clean up L_32 and L_24 handling.
H8/S related stuff that doesn't need to be sanitized.
start-sanitize-h8s
* config/tc-h8300.c (Smode): New variable.
(h8300hmode): Turn off Hmode.
(h8300smode): New function. Turn on Smode and Hmode.
(md_pseudo_table): New ".h8300s" pseudo-op.
(parse_reg): Handle "exr" register.
(get_operand): Handle bizarre syntax for "stm.l" and "ldm.l".
Handle "mach" and "machl" operands for ldmac.
(get_specific): Handle "stm.l" and "ldm.l".
(build_bytes): Handle "stm.l" and "ldm.l"; handle MACREG operands.
* config/tc-h8300.h (COFF_MAGIC): Handle H8/S magic number.
(Smode): Declare.
end-sanitize-h8s
Sanitized H8/S stuff until we know its status.
pseudo ops.
(tc_gen_reloc, SOM version): Handle R_BEGIN_TRY and R_END_TRY.
(md_apply_fix): Likewise.
(pa_try): New function.
(hppa_force_relocation): Force relocs for BEGIN_TRY and END_TRY.
More PA exception handling crud.
