(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.
(mips_frob_file): Declare.
* config/tc-mips.c (struct mips_hi_fixup): Define.
(mips_hi_fixup_list): New static variable.
(imm_unmatched_hi): New static variable.
(md_assemble): Clear imm_reloc, imm_unmatched_hi, and
offset_reloc. Pass imm_unmatched_hi to append_insn.
(append_insn): Add unmatched_hi parameter. If it is set, add the
new fixup to mips_hi_fixup_list. Change all callers.
(mips_ip): Set imm_unmatched_hi when appropriate.
(mips_frob_file): New function.
(ecoff_directive_def): Set ecoff_debugging_seen.
(ecoff_stab): Likewise.
* ecoff.h: Make idempotent.
(ecoff_debugging_seen): Declare.
* config/tc-mips.c: Include ecoff.h.
(mips_debug): New static variable.
(s_stringer, s_mips_space): Remove unneeded declarations.
(md_parse_option): In case 'g', set mips_debug to debugging level.
(mips_local_label): New function.
* tc-mips.h (LOCAL_LABEL): Call mips_local_label.
(mips_local_label): Declare.
PR 6978.
them to zero.
* config/tc-*.h, config/te-*.h: If defining them, define them to be 1 instead
of empty.
* expr.c (integer_constant, operand): Test them at run time instead of compile
time.
* read.c (read_a_source_file): Ditto.
* symbols.c (colon): Ditto.
(dollar_*, define_dollar_label, fb_*): Define unconditionally.
* symbols.h (dollar_*, define_dollar_label, fb_*): Declare unconditionally.
* config/tc-mips.c (mips_target_format): Changed to a function, checking flavor
and byte order at run time.
(md_parse_option, cases OPTION_EB and OPTION_EL): Set target_big_endian here.
(md_begin): Not here.
* config/tc-mips.h (mips_target_format): Adjust declaration.
(TARGET_FORMAT): Call mips_target_format.
* config/tc-mips.h (USE_GLOBAL_POINTER_OPT): Define in terms of OUTPUT_FLAVOR.
* config/tc-mips.c (g_switch_value, g_switch_seen): Define unconditionally.
(md_begin, mips_ip, md_parse_option, s_change_sec, s_option, s_abicalls,
nopic_need_relax): Check USE_GLOBAL_POINTER_OPT at run time, instead of
compiling conditionally on GPOPT.
(GPOPT): Don't define.
(md_shortopts): Always include -G.
(RDATA_SECTION_NAME): Select at run time.
(md_begin): Test for ELF format at run time instead of compile time.
(mips_ip, s_change_sec): Ditto.
(md_parse_option, cases OPTION_CALL_SHARED and OPTION_NON_SHARED): Ditto.
(OPTION_CALL_SHARED, OPTION_NON_SHARED, mips_regmask_frag): Define
unconditionally.
(special_sections): Define.
(obj_elf_special_section): Get default types and attributes from
list of special sections.
* config/tc-mips.c (ELF_TC_SPECIAL_SECTIONS): Define.
hold register masks.
(md_begin): Initialize them to zero.
(append_insn): Update mips_gprmask and mips_cprmask. Also add
register variables pinfo and prev_pinfo.
* config/tc-mips.h (mips_gprmask, mips_cprmask): Declare.
* config/obj-ecoff.c (ecoff_frob_file): If TC_MIPS, set gprmask
and cprmask from mips_gprmask and mips_cprmask.
* config/tc-mips.c (GPOPT): Define if OBJ_ECOFF or OBJ_ELF.
(various): Change all references to GP references to apply if
GPOPT, not if OBJ_ECOFF.
(s_change_sec): Rearrange somewhat. If OBJ_ELF, use .rodata
instead of .rdata. If OBJ_ELF, set section flags for .rodata and
.sdata sections.
(s_frame, s_loc, s_mask): Comment out entire functions, rather
than just body. They're not used anyhow.
* configure.in: Set cpu_type to mips for mips*. Accept
mips-*-elfl* and mips-*-elf*.
* config/tc-mips.c: Include opcode/mips.h rather than
mips-opcode.h.
(append_insn): An extra NOP is only needed after instructions
which set HI or LO, not after instructions which read it.
(macro_build, mips_ip): Support new 'E', 'G' and 'B' arguments.
(macro): cfc1 and ctc1 now take "t,G" rather than "t,d".
* config/tc-mips.h (struct mips_opcode): Don't define.
* config/mips-big.mt, config/mips-lit.mt (TARG_CPU_DEPENDENTS):
Set to $(srcdir)/../include/opcode/mips.h.
Get the MIPS assembler up to speed with other gas changes:
* config/obj-ecoff.c (ecoff_set_vma, ecoff_frob_symbol):
Removed; don't change the symbol value.
(ecoff_build_symbols, ecoff_build_procs, ecoff_frob_file): Use
bfd_asymbol_value rather than S_GET_VALUE to include section
vma in symbol value.
(ecoff_frob_file): Ignore BSF_SECTION_SYM symbols, since ECOFF
doesn't output them. Set the vma of sections.
* config/obj-ecoff.h: Don't define obj_frob_symbol.
* config/tc-mips.c (tc_gen_reloc): Adjustment by section vma is no
longer necessary.
(various): use valueT rather than long.
* as.c (perform_an_assemly_pass): Don't set output_section here.
* expr.c (expr_part, expr): Turn off section assertions for ECOFF,
since it has additional sections.
* read.c (s_lcomm): For MIPS ECOFF, put small objects in .sbss,
not bss_section.
* config/obj-ecoff.h (TARGET_SYMBOL_FIELDS): Added
ecoff_undefined field.
* config/obj-ecoff.c (obj_symbol_new_hook): Initialize
ecoff_undefined field.
(add_file): If using stabs, just output a stabs symbol rather than
creating a new fdr.
(obj_ecoff_begin, obj_ecoff_bend): Ignore line number by reading
it with get_absolute_expression, rather than skipping it by hand.
(obj_ecoff_loc): If using stabs, just output a stabs symbol rather
than ECOFF line number information.
(obj_ecoff_stab): Accept non-zero values for stabs line number.
(ecoff_build_symbols): Set ifilesym correctly. Set storage class
to small, undefined and/or readonly sections if appropriate.
Don't output symbol names containing \001 characters.
(ecoff_frob_file): Make sure at least one fdr is output.
* config/tc-mips.h: Define TC_MIPS.
* config/tc-mips.c (g_switch_value): New static variable.
(md_assemble): Set gp size of output BFD.
(gp_reference): New function; returns 1 if expression can be
accesssed via gp. Always returns 0 if not using ECOFF.
(macro_build): Convert BFD_RELOC_LO16 to BFD_RELOC_MIPS_GPREL if
possible.
(macro): Generate sequences using gp if possible.
(md_parse_option): Ignore -EL and -EB. Parse -G.
(md_apply_fix): Added BFD_RELOC_MIPS_GPREL to ignored case.
(s_change_sec): Handle .rdata and .sdata for ECOFF.
(s_extern): Mark symbol as external. Set ecoff_undefined field.
Ian Lance Taylor
Ken Raeburn