* 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.
