* elflink.c (_bfd_elf_merge_symbol): Rewrite weak symbol handling.

[deliverable/binutils-gdb.git] / gas / ChangeLog

2004-03-17  Kaz Kojima  <kkojima@rr.iij4u.or.jp>

	* config/tc-sh.c: Include dw2gencfi.h.
	(sh_cfi_frame_initial_instructions): New function.
	(sh_regname_to_dw2regnum): Likewise.
	* config/tc-sh.h (DWARF2_LINE_MIN_INSN_LENGTH): Move to the end of
	file.
	(TARGET_USE_CFIPOP): Define.
	(tc_cfi_frame_initial_instructions): Likewise.
	(tc_regname_to_dw2regnum): Likewise.
	(DWARF2_DEFAULT_RETURN_COLUMN, DWARF2_CIE_DATA_ALIGNMENT): Likewise.
	* Makefile.am: Update dependencies.
	* Makefile.in: Regenerate.

2004-03-17  Ralf Corsepius <corsepiu@faw.uni-ulm.de>

	* configure.in: Switch sh-*-rtems* to ELF.  Add sh-*-rtemscoff*.
	* configure: Regenerate.

2004-03-12  Bob Wilson  <bob.wilson@acm.org>

	* read.c (s_leb128): Call md_flush_pending_output.

2004-03-12  Michal Ludvig  <mludvig@suse.cz>

	* config/tc-i386.c (output_insn): Handle PadLock instructions.
	* config/tc-i386.h (CpuPadLock): New define.
	(CpuUnknownFlags): Added CpuPadLock.

2004-03-07  Andreas Schwab  <schwab@suse.de>

	* doc/c-hppa.texi (HPPA Directives): Fix typo.

2004-03-07  Richard Henderson  <rth@redhat.com>

	* dw2gencfi.c (output_cie): Align length to 4 byte boundary.
	(cfi_finish): Likewise for fde.

2004-03-05  H.J. Lu  <hongjiu.lu@intel.com>

	* config/tc-ia64.c (md_assemble): Properly handle NULL
	align_frag.
	(ia64_handle_align): Don't abort if failed to add a stop bit.

2004-03-04  H.J. Lu  <hongjiu.lu@intel.com>

	* Makefile.in: Regenerated.
	* aclocal.m4: Likewise.
	* configure: Likewise.
	* doc/Makefile.in: Likewise.

2004-03-03  H.J. Lu  <hongjiu.lu@intel.com>

	* config/tc-ia64.c (dot_align): New.
	(ia64_do_align): Make it static.
	(md_pseudo_table): Use "dot_align" for "align".
	(ia64_md_do_align): Don't set align_frag here.
	(ia64_handle_align): Add a stop bit to the previous bundle if
	needed.

	* config/tc-ia64.h (ia64_do_align): Removed.

2003-03-03  Andrew Stubbs  <andrew.stubbs@superh.com>

	* config/tc-sh.c (md_parse_option): Add -isa=sh4-nofpu and
	-isa=sh4-nommu-nofpu options. Adjust help messages accordingly.
	(sh_elf_final_processing): Output BFD type sh4_nofpu if that is
	the most general type or the user specifically requested it.
	(md_assemble): Add a new error message for when an instruction
	is understood, but is not allowed due to an -isa option.

2004-03-02  H.J. Lu  <hongjiu.lu@intel.com>

	* config/tc-ia64.c (align_frag): New.
	(md_assemble): Set the tc_frag_data field in align_frag for
	IA64_OPCODE_FIRST instructions.
	(ia64_md_do_align): Set align_frag.
	(ia64_handle_align): Add a stop bit if needed.

	* config/tc-ia64.h (TC_FRAG_TYPE): New.
	(TC_FRAG_INIT): New.

2004-03-01  Richard Sandiford  <rsandifo@redhat.com>

	* config/tc-frv.c (fr400_audio): New variable.
	(md_parse_option, md_show_usage): Add -mcpu=fr405 and -mcpu=fr450.
	(md_parse_option): Set fr400_audio for -mcpu=fr400 and -mcpu=fr405.
	(target_implements_insn_p): New function.
	(md_assemble): Report an error if the processor doesn't implement
	the instruction.

2004-02-27  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

	* config/tc-m32r.c (md_longopts): Added -no-bitinst option.
	(md_parse_option): Ditto.
	(OPTION_NO_SPECIAL_M32R): Added.
	(md_show_usage): Document it.
	(enable_speial_m32r): Changed a default value from 0 to 1.
	* doc/c-m32r.texi: Document the -no-bitinst option.

2004-02-27  Nick Clifton  <nickc@redhat.com>

	* config/tc-sh.c (get_operand): Revert previous delta.
	(tc_gen_reloc): Check for an unknown reloc type before processing
	the addend.

2004-02-27  Hannes Reinecke  <hare@suse.de>

	* config/tc-s390.c (s390_insn): Correct range check for opcode in
	.insn pseudo operation.

2004-02-27  Anil Paranjpe  <anilp1@kpitcummins.com>

	* config/tc-sh.c (get_operand):  In case of #Imm, check has been
	added for wrong syntax.

2004-02-26  Eric Christopher  <echristo@redhat.com>

	* config/tc-mips.c (mips_dwarf2_addr_size): New.
	* config/tc-mips.h (DWARF2_ADDR_SIZE): Use.

2004-02-26  Andrew Stubbs <andrew.stubbs@superh.com>

	* config/tc-sh.c (build_Mytes): Add REG_N_D and REG_N_B01
	nibble types to assembler.

2004-02-25  Fred Fish  <fnf@redhat.com>

	* config/tc-iq2000.c: Add missing \n\ in multiline string literal.

2004-02-20  James E Wilson  <wilson@specifixinc.com>

	* config/tc-ia64.c (slot_index): New arg before_relax.  Use instead of
	finalize_syms.
	(fixup_unw_records): New arg before_relax.  Pass to slot_index.
	(ia64_estimate_size_before_relax): New.
	(ia64_convert_frag): Pass 0 to fixup_unw_records.  Add comment.
	(generate_unwind_image): Pass 1 to fixup_unw_records.
	* config/tc-ia64.h (ia64_estimate_size_before_relax): Declare.
	(md_estimate_size_before_relax): Call ia64_estimate_size_before_relax.

2004-02-19  Jakub Jelinek  <jakub@redhat.com>

	* stabs.c (generate_asm_file): Avoid warning about use of
	uninitialized variable.

2004-02-18  David Mosberger  <davidm@hpl.hp.com>

	* config/tc-ia64.c (ia64_flush_insns): In addition to prologue,
	body, and endp, allow unwind records which do not have a "t"
	(time/instruction) field.

2004-02-17  Petko Manolov  <petkan@nucleusys.com>

	* config/tc-arm.c (do_mav_dspsc_1): Correct offset of CRn.
	(do_mav_dspsc_2): Likewise.
	Fix accumulator registers move opcodes.

2004-02-13  Hannes Reinecke  <hare@suse.de>
            Jakub Jelinek  <jakub@redhat.com>

	* dwarf2dbg.c (get_filenum): Do not read beyond allocated memory.

2004-02-10  Steve Ellcey  <sje@cup.hp.com>

	* config/tc-ia64.h (ia64_frob_symbol): New declaration.
	(tc_frob_symbol): New macro definition.
	* config/tc-ia64.c (ia64_frob_symbol): New routine.

2004-02-09  Daniel Jacobowitz  <drow@mvista.com>

	* config/tc-arm.c (md_begin): Mark .note.gnu.arm.ident as
	read-only.

2004-02-09  Nathan Sidwell  <nathan@codesourcery.com>

	* read.h (IGNORE_OPCODE_CASE): Do not define. Replace with ...
	(TC_CASE_SENSITIVE): ... this.
	* read.c: Replace IGNORE_OPCODE_CASE with TC_CASE_SENSITIVE.
	* doc/internals.texi (TC_CASE_SENSITIVE): Document.

2004-02-06  James E Wilson  <wilson@specifixinc.com>

	* config/tc-ia64.c (dot_endp): Delete call to output_endp.
	(generate_unwind_image): Re-add it here.

2004-02-06  Nathan Sidwell  <nathan@codesourcery.com>

	* dwarf2dbg.c (DWARF2_ADDR_SIZE): Remove trailing ';'
	* read.h (SKIP_WHITESPACE): Turn into an expression.
	* read.c (read_a_source_file): A pseudo is removed by having a
	NULL handler.

2004-02-05  James E Wilson  <wilson@specifixinc.com>

	* config/tc-ia64.c (output_endp): New.
	(count_bits): Delete.
	(ia64_flush_insns, process_one_record, optimize_unw_records): Handle
	endp unwind records.
	(fixup_unw_records): Handle endp unwind records.  Delete code for
	shortening prologue regions not followed by a body record.
	(dot_endp): Call add_unwind_entry to emit endp unwind record.
	* config/tc-ia64.h (unw_record_type): Add endp.

2004-02-03  James E Wilson  <wilson@specifixinc.com>

	* config/tc-ia64.c (ia64_convert_frag): Call md_number_to_chars to
	fill padding bytes with zeroes.
	(emit_one_bundle): New locals last_ptr, end_ptr.  Rewrite code that
	sets unwind_record slot_number and slot_frag fields.

2004-02-02  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>

	* config/tc-mips.c (add_got_offset_hilo): New function.
	(macro): Use load_register() and add_got_offset_hilo() to load
	constants instead of hardcoding code sequences throughout.

2004-01-28  H.J. Lu  <hongjiu.lu@intel.com>

	* config/tc-ia64.c (emit_one_bundle): Add proper indentation.

2004-01-26  Bernardo Innocenti  <bernie@develer.com>

	* config/tc-m68k.h (EXTERN_FORCE_RELOC): Handle m68k-uclinux specially,
	like m68k-elf.
	* config/tc-m68k.c (RELAXABLE_SYMBOL): Use EXTERN_FORCE_RELOC instead
	of hard-coded test for TARGET_OS=elf.

2004-01-24  Chris Demetriou  <cgd@broadcom.com>

	* config/tc-mips.c (hilo_interlocks): Change definition
	so that MIPS32, MIPS64 and later ISAs are included, along with
	the already-included machines.  Update comments.

2004-01-23  Daniel Jacobowitz  <drow@mvista.com>

	* config/tc-arm.c (tc_gen_reloc): Improve error message for
	undefined local labels.

2004-01-23  Richard Sandiford  <rsandifo@redhat.com>

	* config/tc-mips.c (load_address, macro): Update comments about
	NewABI GP relaxation.

2004-01-23  Richard Sandiford  <rsandifo@redhat.com>

	* config/tc-mips.c (macro_build): Remove place and counter arguments.
	(mips_build_lui, macro_build_ldst_constoffset): Likewise.
	(mips16_macro_build, macro_build_jalr): Remove counter argument.
	(set_at, load_register, load_address, move_register): Likewise.
	(load_got_offset, add_got_offset): Likewise.
	Update all calls and tidy accordingly.

2004-01-23  Richard Sandiford  <rsandifo@redhat.com>

	* config/tc-mips.c (RELAX_ENCODE): Remove WARN argument.
	(RELAX_FIRST, RELAX_SECOND): Turn into 8-bit quantities.
	(RELAX_USE_SECOND): Bump to 0x10000.
	(RELAX_SECOND_LONGER, RELAX_NOMACRO, RELAX_DELAY_SLOT): New flags.
	(mips_macro_warning): New variable.
	(md_assemble): Wrap macro expansion in macro_start() and macro_end().
	(s_cpload, s_cpsetup, s_cprestore, s_cpreturn): Likewise.
	(relax_close_frag): Set mips_macro_warning.first_frag.  Adjust use
	of RELAX_ENCODE.
	(append_insn): Update mips_macro_warning.sizes.
	(macro_start, macro_warning, macro_end): New functions.
	(macro_build): Don't emit warnings here.
	(macro_build_lui, md_estimate_size_before_relax): ...or here.
	(md_convert_frag): Check for cases where one macro alternative
	needs a warning and the other doesn't.  Emit a warning if the
	longer sequence was chosen.

2004-01-23  Richard Sandiford  <rsandifo@redhat.com>

	* config/tc-mips.h (tc_frag_data_type, TC_FRAG_TYPE): Remove.
	* config/tc-mips.c (RELAX_ENCODE): Take three arguments: the size of
	the first sequence, the size of the second sequence, and a flag
	that says whether we should warn.
	(RELAX_OLD, RELAX_NEW, RELAX_RELOC[123]): Delete.
	(RELAX_FIRST, RELAX_SECOND): New.
	(mips_relax): New variable.
	(relax_close_frag, relax_start, relax_switch, relax_end): New fns.
	(append_insn): Remove "place" argument.  Use mips_relax.sequence
	rather than "place" to check whether we're expanding the second
	alternative of a relaxable macro.  Remove redundant check for
	branch relaxation.  If generating a normal insn, and there
	is not enough room in the current frag, call relax_close_frag()
	to close it.  Update mips_relax.sizes[].  Emit fixups for the
	second version of a relaxable macro.  Record the first relaxable
	fixup in mips_relax.  Remove tc_gen_reloc workaround.
	(macro_build): Remove all uses of "place".  Use mips_relax.sequence
	in the same way as in append_insn.
	(mips16_macro_build): Remove "place" argument.
	(macro_build_lui): As for macro_build.  Don't drop the add_symbol
	when generating the second version of a relaxable macro.
	(load_got_offset, add_got_offset): New functions.
	(load_address, macro): Use new relaxation machinery.  Remove
	tc_gen_reloc workarounds.
	(md_estimate_size_before_relax): Set RELAX_USE_SECOND if the second
	version of a relaxable macro is needed.  Return -RELAX_SECOND if the
	first version is needed.
	(tc_gen_reloc): Remove relaxation handling.
	(md_convert_frag): Go through the fixups for a relaxable macro and
	mark those that belong to the unneeded alternative as done.  If the
	second alternative is needed, adjust the fixup addresses to account
	for the deleted first alternative.

2004-01-23  Richard Sandiford  <rsandifo@redhat.com>

	* frags.h (frag_room): Declare.
	* frags.c (frag_room): New function.
	* doc/internals.texi: Document it.

2004-01-22  Thiemo Seufer <seufer@csv.ica.uni-stuttgart.de>

	* config/tc-mips.c (append_insn): Don't do r3900 interlock
	optimization for -mtune=r3900, as this will break on other CPUs.

2004-01-11  Tom Rix   <tcrix@worldnet.att.net>

	* config/tc-m68hc11.c (build_indexed_byte): movb and movw cannot
	be relaxed, use fixup.
	(md_apply_fix3): Use 5 bit reloc from movb and movw fixup.

2004-01-19  Jakub Jelinek  <jakub@redhat.com>

	* config/tc-sparc.c (sparc_ip): Disallow %f32-%f63 for single
	precision operands.

2004-01-14  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>

	* config/tc-mips.c (append_insn): Properly detect variant frags
	that preclude swapping of relaxed branches.  Correctly swap
	instructions between frags when dealing with relaxed branches.

2004-01-14  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>

	* acinclude.m4: Quote names of macros to be defined by AC_DEFUN
	throughout.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

2004-01-12  Anil Paranjpe  <anilp1@KPITCummins.com>

	* config/tc-h8300.c (build_bytes): Apply relaxation to bit
	manipulation insns.

2004-01-12  Richard Sandiford  <rsandifo@redhat.com>

	* config/tc-mips.c (macro_build_jalr): When adding an R_MIPS_JALR
	reloc, reserve space for the delay slot as well as the jalr itself.

2004-01-09  Paul Brook  <paul@codesourcery.com>

	* config/tc-arm.c (do_vfp_reg2_from_sp2): Rename from do_vfp_sp_reg2.
	(do_vfp_sp2_from_reg2): New function.
	(insns): Use them.
	(do_vfp_dp_from_reg2): Check return values properly.

2004-01-08  Ian Lance Taylor  <ian@wasabisystems.com>

	* config/tc-mips.c (warn_nops): Remove static variable.
	(macro): Remove test of warn_nops.
	(md_shortops): Remove 'n'.
	(md_parse_option): Remove 'n' case.
	(md_show_usage): Remove -n.
	* doc/as.texinfo (Overview): Remove MIPS -n option.
	* doc/c-mips.texi (MIPS Opts): Remove mention -n.
	* NEWS: Mention removal of MIPS -n option.

	* config/tc-mips.c (ISA_HAS_COPROC_DELAYS): Remove.
	(cop_interlocks): Check ISA level.
	(cop_mem_interlocks): Define.
	(reg_needs_delay): Check cop_interlocks rather than
	ISA_HAS_COPROC_DELAYS.
	(append_insn): Likewise.  Use cop_mem_interlocks rather than
	directly checking mips_opts.isa.
	(mips_emit_delays): Likewise.

2004-01-07  H.J. Lu  <hongjiu.lu@intel.com>

	* config/tc-ia64.c (unwind): Move next_slot_number and
	next_slot_frag to ...
	(unw_rec_list): Here.
	(free_list_records): Removed.
	(output_unw_records): Likewise.
	(generate_unwind_image): Make it void.
	(alloc_record): Initialize next_slot_number and next_slot_frag.
	(slot_index): Take .org, .space and .align into account.
	(fixup_unw_records): Don't set slot_number to 0. Use
	list->next_slot_number and list->next_slot_frag instead of
	unwind.next_slot_number and unwind.next_slot_frag.
	(ia64_convert_frag): New.
	(generate_unwind_image): Generate a rs_machine_dependent frag
	for unwind record.
	(emit_one_bundle): Use list->next_slot_number and
	list->next_slot_frag instead of unwind.next_slot_number and
	unwind.next_slot_frag.

	* config/tc-ia64.h (md_convert_frag): Defined as
	ia64_convert_frag.
	(md_estimate_size_before_relax): Defined as (f)->fr_var.

2004-01-06  Alexandre Oliva  <aoliva@redhat.com>

	2003-12-19  Alexandre Oliva  <aoliva@redhat.com>
	* config/tc-frv.h (md_apply_fix3): Don't define.
	* config/tc-frv.c (md_apply_fix3): New.  Shift/truncate %hi/%lo
	operands.
	* config/tc-frv.h (TC_FORCE_RELOCATION_SUB_LOCAL): Define.
	2003-10-07  Alexandre Oliva  <aoliva@redhat.com>
	* config/tc-frv.c (line_separator_chars): Add `!'.
	2003-09-19  Alexandre Oliva  <aoliva@redhat.com>
	* config/tc-frv.c (md_assemble): Clear insn upfront.
	2003-09-18  Alexandre Oliva  <aoliva@redhat.com>
	* config/tc-frv.c (OPTION_FDPIC): New macro.
	(md_longopts): Add mfdpic.
	(md_parse_option): Handle it.
	2003-08-04  Alexandre Oliva  <aoliva@redhat.com>
	* config/tc-frv.c (md_cgen_lookup_reloc) <FRV_OPERAND_D12,
	FRV_OPERAND_S12>: Use reloc type encoded in fix-up.
	(frv_pic_ptr): Parse funcdesc.

2004-01-05  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>

	* doc/as.texinfo: Let texi2pod parse asconfig.texi and
	gasver.texi.  Remove duplicate symbol definitions for texi2pod.

2004-01-05  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>

	* Makefile.am (Makefile): Move the dependency on
	$(BFDDIR)/configure.in to...
	(CONFIG_STATUS_DEPENDENCIES): ... here.
	(AUTOMAKE_OPTIONS): Require automake 1.8.
	* Makefile.in: Regenerate.
	* doc/Makefile.am (BASEDIR, BFDDIR): Define.
	(CONFIG_STATUS_DEPENDENCIES): Add a dependency on
	$(BFDDIR)/configure.in here as well.
	* doc/Makefile.in: Regenerate.

2004-01-05  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>

	* Makefile.am (install, install-info, RECURSIVE_TARGETS): Remove.
	* Makefile.in: Regenerate.
	* aclocal.m4: Regenerate.
	* doc/Makefile.am (install, install-info): Remove.
	(install-data-local): A new hook for install-info.
	(AUTOMAKE_OPTIONS): Require automake 1.8.
	* doc/Makefile.in: Regenerate.

2004-01-02  Nutan Singh <nutan@kpitcummins.com>

	* doc/c-sh.texi: Update description about floating point behavior
	of SH family.

2004-01-02  Bernardo Innocenti  <bernie@develer.com>

	* configure.in: Add m68k-uClinux target.
	* configure: Regenerate.

For older changes see ChangeLog-0203
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