and rearrange for efficiency. For "PIC code" subtraction, use
"rightseg" rather than recalculating. For "symbol OP symbol"
subtract, set "retval" to absolute_section if symbols in same
section.
* symbols.c (resolve_symbol_value): Resolve "sym +/- expr" to an
O_symbol. Simplify a +/- b code. Allow equality and non-equality
comparisons on symbols from any section. Allow other comparison
operators as for subtraction.
(symbol_equated_reloc_p): New predicate function.
* symbols.h (symbol_equated_reloc_p): Declare.
* write.c (adjust_reloc_syms): Use symbol_equated_reloc_p.
(write_relocs): Likewise.
(write_object_file): Likewise.
(relax_segment <rs_machine_dependent>): Ensure segment for
expression syms is set correctly.
* config/tc-mips.c (md_estimate_size_before_relax): Likewise.
* config/tc-i386.c (md_assemble <Output jumps>): Don't lose part
of a complex expression when setting up frag_var.
(MACRO_LITERAL, MACRO_BASE, MACRO_BYTOFF, MACRO_JSR): Remove.
(alpha_macros): Remove occurrences of same.
(O_lituse_addr, O_gprel): New.
(DUMMY_RELOC_LITUSE_*): New.
(s_alpha_ucons, s_alpha_arch): Prototype.
(alpha_reloc_op): Construct elements via DEF macro.
(ALPHA_RELOC_SEQUENCE_OK): Remove.
(struct alpha_reloc_tag): Rename from alpha_literal_tag; rename
members to not be literal specific.
(next_sequence_num): New.
(md_apply_fix3): Cope with missing GPDISP_LO16. Adjust for
added/removed BFD relocations.
(alpha_force_relocation, alpha_fix_adjustable): Likewise.
(alpha_adjust_symtab_relocs): Handle GPDISP relocs as well.
(tokenize_arguments): Parse ! relocations properly.
(find_macro_match): Delete unused macro argument types.
(assemble_insn): Add reloc parameter; emit that instead of the
default as appropriate.
(get_alpha_reloc_tag): New. Split from ...
(emit_insn): ... here. Allocate a reloc tag for GPDISP.
(assemble_tokens): Don't search macros if user relocation present.
Copy reloc sequence number to insn struct.
(emit_ldgp): Remove user reloc handling.
(load_expression, emit_lda, emit_ldah, emit_ir_load): Likewise.
(emit_loadstore, emit_ldXu, emit_ldil, emit_stX): Likewise.
(emit_sextX, emit_division, emit_jsrjmp, emit_retjcr): Likewise.
* config/tc-alpha.h (tc_adjust_symtab): Always define.
(struct alpha_fix_tag): Name members less literal specific.
* gas/alpha/alpha.exp: New file.
* gas/alpha/elf-reloc-1.[sd]: New test.
* gas/alpha/elf-reloc-2.[sl]: New test.
* gas/alpha/elf-reloc-3.[sl]: New test.
* gas/alpha/elf-reloc-4.[sd]: New test.
* gas/alpha/fp.exp: Remove file.
* gas/alpha/fp.s: Output to .data not .rdata.
* gas/alpha/fp.d: Adjust to match.
offset match H8 ELF spec.
(md_section_align): Alternate implementation for BFD_ASSEMBLER.
(md_apply_fix): Fix argument and return types for BFD_ASSEMBLER.
(build_bytes): Mark fixups for PCrel branches as signed. For
OBJ_ELF, make sure the reloc's offset points to the first byte
to be modified.
(md_convert_frag): Update definiton based on BFD_ASSEMBLER.
* tc-h8300.h (relocation mappings): Add.
* tc-h8300.c (tc_crawl_symbol_chain, tc_headers_hook): Don't
define for BFD_ASSEMBLER.
(tc_reloc_mangle): Likewise.
(tc_gen_reloc): New function for BFD_ASSEMBLER.
More of Joern's patches with minor changes s/OBJ_ELF/BFD_ASSEMBLER/
assorted coff relocations to the corresponding elf relocations.
* tc-h8300.h (TARGET_ARCH, TARGET_FORMAT): Define appropriately.
More of Joern's patches.
* configure: Regenerate.
* config/tc-ppc.c (PPC_LO, PPC_HI, PPC_HA, PPC_HIGHER,
PPC_HIGHERA, PPC_HIGHEST, PPC_HIGHESTA, SEX16): New macros.
(md_assemble): Use them.
(ppc_machine): Support stub for ELF64 as well as XCOFF.
(md_pseudo_table): Add "llong", "quad".
(md_parse_option): Match default_cpu of powerpc*.
(ppc_arch): Likewise.
(ppc_subseg_align): Only for OBJ_XCOFF.
(ppc_target_format): Return elf64-powerpc strings for 64 bit ELF.
(md_begin): Select PPC_OPCODE_64 for 64 bit.
(ppc_insert_operand): Don't bother testing 'file' before calling
as_bad_where. Use as_bad_where for operand->insert errors.
(mapping): Add ELF64 relocation modifiers.
(ppc_elf_suffix): Replace symbol on BFD_RELOC_PPC64_TOC reloc
expressions with abs_symbol.
(ppc_elf_cons): Correct offset for little endian targets.
(ppc_elf_frob_symbol): New.
(md_assemble): Add support for 64 bit ELF relocs.
(ppc_tc): Ensure 8 byte alignment when 64 bit.
(ppc_is_toc_sym): Only define for OBJ_XCOFF and OBJ_ELF. Match
".toc" section for 64 bit ELF.
(ppc_fix_adjustable): New. Macro body moved from tc-ppc.h.
(md_apply_fix3): Silence warning with ATTRIBUTE_UNUSED. Only do
the ppc_is_toc_sym check for OBJ_XCOFF and OBJ_ELF. For 64 bit,
use BFD_RELOC_PPC64_TOC16_DS instead of BFD_RELOC_PPC_TOC16.
Expand on comments, error message. Add support for 64 bit relocs,
and use PPC_HI etc. macros.
* config/tc-ppc.h (MAX_MEM_FOR_RS_ALIGN_CODE): Define.
(HANDLE_ALIGN): Define to generate nops in code sections rather
than zeros.
(TC_FORCE_RELOCATION): Force for BFD_RELOC_PPC64_TOC.
(ELF_TC_SPECIAL_SECTIONS): Add 64 bit ELF sections.
(tc_fix_adjustable): Move body of macro to tc-ppc.c.
(ppc_fix_adjustable): Declare.
(tc_frob_symbol): Define.
(ppc_elf_frob_symbol): Declare.
value, not the word beyond maximum.
* tc_mips.c (macro_build_lui): Code cleanup.
(macro): Reflect change to MAX_GPREL_OFFSET.
(mips_ip): Check explicitly against S_EX_NONE.
(my_get_SmallExpression): parse for %gp_rel, not %gprel.
(md_apply_fix): Code cleanup.
return values.
(mips_ip): Use the new return values instead of characters. Add
support for %higher and %highest.
(LP): Remove.
(RP): Remove.
(my_getSmallExpression): Make parsing case insensitive and more
reliable. Add support for %higher and %highest. Further support to
parse %gprel and %neg is implemented but currently deactivated.
-mipsX is specified. Make both -mcpu/-march and -mcpu/-mtune pairs
mutually exclusive (if they are different).
(md_parse_option): Warn if an -march/-mtune/-mcpu/-m<cpu> option is
set more than once.
* config/tc-mips.c (mips_fp32, mips_32bit_abi): New static variables.
(md_long_opts): Add -mfp32 option.
(md_parse_option): Handle it. Set mips_32bit_abi given -mabi=32.
(md_show_usage): Show usage for -mfp32 and -mgp32.
(HAVE_32BIT_GPRS, HAVE_32BIT_FPRS): New macros.
(HAVE_64BIT_GPRS, HAVE_64BIT_FPRS): New macros, inverse of the above.
(HAVE_32BIT_ADDRESSES): New macro.
(load_register): Use HAVE_32BIT_GPRS to determine the register width.
(load_address): Use HAVE_32BIT_ADDRESSES to determine the address size.
(s_cprestore, s_cpadd): Likewise.
(macro): Use HAVE_32BIT_GPRS to determine the width of registers
used in branch and M_LI_D macros. Use HAVE_64BIT_FPRS to determine
the width registers used in M_LI_DD macros. Use HAVE_32BIT_ADDRESSES
to determine the width of addresses in load, store and jump macros.
(macro2): Use HAVE_32BIT_GPRS to determine the width of registers
used in set instructions; do not check the address size for them.
Use HAVE_32BIT_ADDRESSES to determine the width of addresses in
unaligned load and store macros.
(mips_ip): Use the new macros to check the width of a register when
processing float constants. Force a constant into memory if it is
destined for an FPR and the FPRs are wider than the GPRs. Warn about
odd FPR numbers if HAVE_32BIT_FPRS. Use HAVE_32BIT_GPRS rather
than mips_gp32 to select synthetic instructions.
(macro_build): Use HAVE_32BIT_GPRS rather than mips_gp32 to select
synthetic instructions.
* config/tc-mips.c (md_estimate_size_before_relax): Make sure
we treat weak like extern only for ELF.
(mips_fix_adjustable): Make sure we don't adjust extern/weak
symbols only for ELF.
"isbranch" param as all calls have it set.
(pa_parse_neg_cmpsub_cmpltr): Likewise.
(pa_parse_nonneg_add_cmpltr): Likewise. Remember result of
strcasecmp in "nullify" var.
(pa_parse_neg_add_cmpltr): Likewise.
(pa_ip): Don't "save_s" unnecessarily. Update calls to above
functions. Don't print wrong conditions in error messages.
* config/obj-elf.c (obj_elf_section): md_elf_section_change_data_hook
added to grab section information after it's been extracted from the
.section directive.
* cgen.c (gas_cgen_save_fixups): Modified to allow more than one
set of fixups to be stored.
(gas_cgen_restore_fixups): Modified to allow the fixup chain to be
restored to be chosen from any that are saved.
(gas_cgen_swap_fixups): Modified to allow the current set of
fixups to be swapped with any other set that has been saved.
(gas_cgen_initialize_saved_fixups_array): New routine.
* cgen.h: Modifed prototypes for gas_cgen_save_fixups,
gas_cgen_restore_fixups, and gas_cgen_swap_fixups. Added definitions
or MAX_SAVED_FIXUP_CHAINS.
* config/tc-m32r.c (assemble_two_insns): Changed calls to fixup
store, swap and restore fuctions to reflect the new interface.
* config/tc-ia64.c (special_section): Add SPECIAL_SECTION_INIT_ARRAY
and SPECIAL_SECTION_FINI_ARRAY.
(special_section_name): Add .init_array and .fini_array.
(md_pseudo_table): Add init_array and fini_array.
(md): Add pointer_size and pointer_size_shift fields.
(setup_unwind_header): New static function.
(output_unw_records): Modify to use setup_unwind_header.
(generate_unwind_image, dot_endp): Modify to use md.pointer_size and
md.pointer_size_shift.
(md_begin): Initialize md.pointer_size and md.pointer_size_shift.
* config/tc-mips.c (md_apply_fix): Prevent addend from becoming zero
if it's expected to be non-zero.
[gas/testsuite]
* gas/mips/elf-rel3.s: Add zero word to end of file.
* config/tc-m88k.c (md_number_to_imm): Remove; unused since 1993.
(emit_relocations): Ditto.
(s_bss): Ditto.
(md_begin): Reformat comments to conform to the GNU standards.
(md_assemble): Ditto.
2001-06-24 Ben Elliston <bje@redhat.com>
* config/tc-m88k.c (get_reg): Adjust type of `reg_prefix' to char.
(md_parse_option): Mark parameters as unused.
(md_show_usage): Ditto.
(calcop): Adjust type of `reg_prefix' to char.
(get_reg): Ditto.
(getval): Adjust type of local `c' to char.
(md_create_short_jump): Mark from_addr, to_addr params as unused.
(md_create_long_jump): Ditto.
(md_estimate_size_before_relax): Mark parameters as unused.
(md_apply_fix): Use it here. Replace printf with equivalent
as_bad_where.
(tc_gen_reloc): Use as_bad_where instead of as_bad.
(md_apply_fix): Here too.
* config/tc-i386.c (tc_gen_reloc): Use as_bad_where instead of as_bad.
* config/tc-m68k.c (tc_gen_reloc): Likewise.
(md_convert_frag_1): Likewise.
* NEWS: Updated for the new -n option for the MIPS assembler.
* config/tc-mips.c (md_show_usage): Add -n.
* doc/as.texinfo: Document the new -n option.
* doc/c-mips.texi: Likewise.
* doc/as.1: Regenerated.
* config/tc-mips.c (warn_nops): New variable. Set to 0 to
disable warning about all NOPS that the assembler generates.
(macro): Warn NOPS generated only if warn_nops is not 0.
(md_shortopts): Add `n'.
(md_parse_option): Set warn_nops to 1 for `n'.
* config/tc-mips.c (md_apply_fix): Don't adjust common
extern/weak symbols for ELF.
(md_estimate_size_before_relax): Treat weak like extern for
ELF.
(mips_fix_adjustable): Don't adjust extern/weak symbols for
ELF.
* Makefile.in: Regenerate.
* config/tc-mips.c (mips16_mark_labels): Reduce number of calls to
S_GET_VALUE by using a temp.
(append_insn): Likewise, and for S_GET_VALUE too.
(mips_emit_delays): Likewise.
(my_getExpression): Likewise.
(md_apply_fix): Likewise. Use "valueT" rather than "long" for "value".
(mips16_extended_frag): Remove code concerned with avoiding
locking in a frag address now that symbols are not finalized until
relaxation is complete. Cater for first relaxation pass having
bogus addresses. Use relax_marker to reliably determine whether a
symbol frag has been reached on the current pass.
Richard Henderson
Jakub Jelinek
Alan Modra
Thiemo Seufer
Jeff Law
Eric Christopher
Andreas Jaeger
H.J. Lu
Nick Clifton
Kazu Hirata
Richard Sandiford
Geoffrey Keating
Stephane Carrez
Chris Demetriou
Andreas Schwab
Matthew Green
John Healy
Jim Wilson
Ben Elliston
Tom Rix
Phil Blundell