Commit graph

1533 commits

Author SHA1 Message Date
Richard Henderson
199f4802a7 * gas/alpha/unop.s, gas/alpha/unop.d: New test.
* gas/alpha/alpha.exp: Run it.
2002-01-22 09:45:49 +00:00
Alan Modra
c0ef99a773 run "make dep-am"; automake
regenerate po/POTFILES.in
2002-01-22 08:58:00 +00:00
DJ Delorie
23deb9235a * config/obj-coff.c (obj_coff_init_stab_section): Make the
stabstr_name allocation permanent, as it will be referenced from
the section hash.
2002-01-22 01:09:49 +00:00
Jason Thorpe
9596feeafe bfd:
* config.bfd (ia64*-*-netbsd*): New target.

gas:
* configure.in (ia64-*-netbsd*): New target.
* configure: Regenerate.

ld:
* configure.tgt (ia64-*-netbsd*): New target.
2002-01-21 18:17:28 +00:00
Alan Modra
7b45c6e1da comment typo fixes 2002-01-21 14:03:27 +00:00
Hans-Peter Nilsson
92081f4825 * doc/as.texinfo (Overview) <Target ARM options>: Add missing {}
to @dots call.
	<Detailed description, ARM options>: Ditto.
	* doc/c-arm.texi (ARM Options): Ditto.
2002-01-21 00:20:58 +00:00
Richard Earnshaw
63e63b07a2 * tc-arm.c (do_xsc_mia, do_xsc_mar, do_xsc_mra): Renamed from
do_mia, do_mar and do_mra respectively.
(do_mav_*): Renamed from do_c_*.
(mav_reg_required_here, mav_parse_offset): Renamed from
cirrus_reg_required_here and cirrus_parse_offset respectively.
(MAV_MODE?): Renamed from CIRRUS_MODE?.
2002-01-19 14:52:01 +00:00
Richard Earnshaw
ea6ef066f8 2002-01-18 Richard Earnshaw <rearnsha@arm.com>
Keith Walker  <keith.walker@arm.com>
* tc-arm.c (ARM_EXT_V5J, ARM_ARCH_V5TEJ): Define.
(insns): Add pattern for bxj instruction.
(do_bxj): New function.
(arm_cpus): Add arm926ej.
(arm_archs): Add armv5tej.

Testsuite:
2002-01-18  Richard Earnshaw  <rearnsha@arm.com>
	    Keith Walker  <keith.walker@arm.com>
* gas/arm/arch5tej.s gas/arm/arch5tej.d: New files.
* gas/arm/arm.exp (arch5tej): New dump test.
2002-01-19 14:25:48 +00:00
Richard Earnshaw
bc89618bd8 * doc/c-arm.texi: Add new fpe options to list of supported flags. 2002-01-19 12:48:32 +00:00
Richard Earnshaw
d193a22afe 2002-01-19 Keith Walker <keith.walker@arm.com>
* tc-arm.c (arm_fpus): Add fpe2 and fpe3.
2002-01-19 12:44:34 +00:00
Richard Earnshaw
03b1477f5d * NEWS: Mention new ARM command-line options and VFP support.
* config/tc-arm.c (ARM_CEXT_XSCALE): Replaces ARM_EXT_XSCALE.  All
uses changed.
(ARM_CEXT_MAVERICK): Similarly.
(ARM_ANY): Now means any core instruction.
(CPU_DEFAULT): Default to ARM_ANY.
(uses_apcs_26, atcps, support_interwork, uses_apcs_float)
(pic_code): Declare for all object types.  Make type int.
(legacy_cpu, legacy_fpu, mcpu_cpu_opt, mcpu_fpu_opt, march_cpu_opt)
(march_fpu_opt, mfpu_opt): Declare.
(md_longopts): Tidy up conditional definitions.
(arm_opts, arm_cpus, arm_archs, arm_fpus, arm_extensions)
(arm_long_opts): New tables.
(arm_parse_cpu, arm_parse_arch, arm_parse_fpu): New functions.
(arm_parse_extension): New function.
(md_parse_option): Rewrite using new table-driven system.
(md_show_usage): Use new table-driven system.
(md_begin): Calculate cpu_variant from command line option data.
* doc/as.texinfo (ARM ISA options): Docuement new ARM-specific
command-line options.
* doc/c-arm.texi: Likewise.

Testsuite:
* gas/arm/vfp1.d: Use new command-line options.
* gas/arm/vfp1xD.d: Likewise.
* gas/arm/arm.exp (vfp-bad): Likewise.
* gas/arm/maverick.d: Likewise.
2002-01-18 17:01:55 +00:00
Andreas Jaeger
2a538ba50c gas:
2002-01-18  Andreas Jaeger  <aj@suse.de>

	* as.c (parse_args): Update year.

binutils:
2002-01-18  Andreas Jaeger  <aj@suse.de>

	* version.c (print_version): Update year.

ld:
2002-01-18  Andreas Jaeger  <aj@suse.de>

	* ldver.c (ldversion): Update year.
2002-01-18 11:28:42 +00:00
Timothy Wall
b1ffc25745 Add a more instructive error message on bad syntax 2002-01-17 17:41:24 +00:00
Nick Clifton
328577adeb Regenerate .pot and .po files 2002-01-17 14:12:08 +00:00
Nick Clifton
06f030db35 Add no-c-format comment to prevent confusion when translating string. 2002-01-17 11:28:49 +00:00
Thiemo Seufer
394f9b3adb * config/tc-mips.c (percent_op): Ensure longer percent_op's are
matched before the shorter ones.
	(my_getSmallParser): Fix handling of nested parentheses in
	percent_op's. Code cleanup.
	(my_getPercentOp): New function, code from my_getSmallParser.
	(my_getSmallExpression): Fix handling of closing parentheses.
	Code cleanup. Better comments.
2002-01-16 21:30:47 +00:00
Nick Clifton
af3ae48ddd Import new Turkish translations. 2002-01-16 10:17:48 +00:00
Richard Earnshaw
bfae80f222 Support for VFP instructions
* tc-arm.c (CP_WB_OK, CP_NO_WB): New defines.
(cp_address_required_here): New argument wb_ok.  When false, do not
accept write-back forms of addressing.  Change all callers.
(FPU_VFP_EXT_NONE, FPU_VFP_EXT_V1xD, FPU_VFP_VFP_V1)
(FPU_VFP_EXT_V2): Define.
(FPU_ARCH_VFP, FPU_ARCH_VFP_V1xD, FPU_ARCH_VFP_V1, FPU_ARCH_VFP_V2):
Define in terms of above.
(vfp_dp_reg_pos, vfp_sp_reg_pos, vfp_ldstm_type): New enums.
(vfp_reg): New struct.
(vfp_regs): New array of registers.
(insns): Add VFP instructions.
(sn_table): New array of VFP single-precision register names.
(dn_table): New array of VFP double-precision register names.
(all_reg_maps): Add the new register tables.
(arm_reg_type): Add new values for above.  Increase RET_TYPE_MAX.
(vfp_sp_reg_required_here, vfp_dp_reg_required_here, do_vfp_sp_monadic)
(do_vfp_dp_monadic, do_vfp_sp_dyadic, do_vfp_dp_dyadic)
(do_vfp_reg_from_sp, do_vfp_sp_reg2, do_vfp_sp_from_reg)
(do_vfp_reg_from_dp, do_vfp_reg2_from_dp, do_vfp_dp_from_reg)
(do_vfp_dp_from_reg2, vfp_psr_parse, vfp_psr_required_here)
(do_vfp_reg_from_ctrl, do_vfp_ctrl_from_reg, do_vfp_sp_ldst)
(do_vfp_dp_ldst, vfp_sp_reg_list, vfp_dp_reg_list, vfp_sp_ldstm)
(vfp_dp_ldstm, do_vfp_sp_ldstmia, do_vfp_sp_ldstmdb, do_vfp_ldstmia)
(do_vfp_dp_ldstmdb, do_vfp_xp_ldstmia, do_vfp_xp_ldstmdb)
(do_vfp_sp_compare_z, do_vfp_dp_compare_z, do_vfp_dp_sp_cvt)
(do_vfp_sp_dp_cvt): New functions.
(md_begin): Set soft-float flag for appropriate VFP work.
(md_atof): Handle VFP-format doubles.
(md_parse_option): Handle VFP command-line options.
(md_show_usage): Display VFP command-line options.

* testsuite/gas/arm/vfp1.s gas/arm/vf1.d: New files.
* testsuite/gas/arm/vfp1xD.s gas/arm/vf1xD.d: New files.
* testsuite/gas/arm/vfp-bad.s gas/arm/vfp-bad.l: New files.
* testsuite/gas/arm/arm.exp: Run new VFP tests.
2002-01-15 16:05:34 +00:00
Richard Earnshaw
fcd6d8d6b7 * tc-arm.c (md_parse_option): Tidy up setting of cpu_variant for
various command line options.
2002-01-15 14:43:09 +00:00
Nick Clifton
6a7715f477 Special case handlign for m32r port 2002-01-15 12:56:32 +00:00
Nick Clifton
d6e5ae258d Fix expected results of disassembly of DSP instructions 2002-01-15 12:27:53 +00:00
Nick Clifton
1f7fd47891 Fix up generation of VTINHERIT relocs 2002-01-15 11:58:45 +00:00
Nick Clifton
d1c15a92bc Use section2.e-mips script for v850-elf toolchain. 2002-01-14 17:40:49 +00:00
Richard Earnshaw
50463d2af3 * gas/arm/armv1.s, arm/armv1.d, arm/fpa-mem.s, arm/fpa-mem.d
arm/fpa-monadic.s, arm/fpa-monadic.d, arm/fpa-dyadic.s,
arm/fpa-dyadic.d: New tests.
* gas/arm/le-fpconst.d (objdump): pass --section=.text
* gas/arm/arm.exp: Add new tests.  Run le-fpconst test on elf targets.
2002-01-14 17:39:02 +00:00
Richard Earnshaw
21f0f23a55 * tc-arm.c (md_longopts): On targets that aren't bi-endian, support
the -EL/-EB option that matches the target's endianness.
(md_parse_option): Likewise.
2002-01-14 17:37:23 +00:00
Richard Earnshaw
ce058b6cfb * tc-arm.c (md_longopts): Fix misplaced #endif -- the -oabi option
is not dependent on ARM_BI_ENDIAN.
2002-01-14 15:36:30 +00:00
Richard Earnshaw
f03698e661 * tc-arm.c (all error messages): Normalize capitalization of messages.
* tc-arm.h (md_operand): Delete define.
* tc-arm.c (in_my_get_expression): New static variable.
(my_get_expression): Set and clear it.
(md_operand): New function.  If called from my_get_expression
put the error in inst.error.
(output_inst): Now takes argument of instruction being assembled.
Print it out with any error message.
(do_ldst, do_ldstv4, thumb_load_store): Fault attempt to use a store
with '=' syntax.
(end_of_line): Don't update inst.error if it is already set.
2002-01-14 15:01:04 +00:00
Richard Earnshaw
2ad6300c8e * gas/arm/armv1-bad.s gas/arm/armv1-bad.l: New files.
* gas/arm/arm.exp (run_error_test): New proc.
(armv1-bad): New error test.
2002-01-14 15:00:18 +00:00
Richard Earnshaw
e28cd48c21 * tc-arm.c ((do_ldst): Fix handling an immediate expression pseudo
op that can be translated into a mvn instruction.

* gas/arm/ldconst.s gas/arm/ldconst.d: New files.  Test ldr with
immediate pseudo-operations.
* gas/arm/arm.exp: Run it.
2002-01-11 18:00:17 +00:00
Nick Clifton
1cd8ff3882 Add support for ia64-hpux target. 2002-01-11 09:27:39 +00:00
Matthew Green
1951c6f7f8 [cgen/ChangeLog]
* cpu/xstormy16.cpu (gr-Rbj-names): Rename this ...
	(gr-Rb-names): ... to this.
	(h-Rb): New hardware peice.
	(h-Rbj): Use gr-Rb-names.
	(Rb): Use h-Rb.

	(holdx): New instruction.

[opcodes/ChangeLog]
	* xstormy16-asm.c: Regenerate.
	* xstormy16-desc.c: Likewise.
	* xstormy16-desc.h: Likewise.
	* xstormy16-dis.c: Likewise.
	* xstormy16-opc.c: Likewise.
	* xstormy16-opc.h: Likewise.

[gas/testsuite/ChangeLog]
	* gas/xstormy16/allinsn.sh (movf, jmp, call, icall): Update.
	* gas/xstormy16/allinsn.d: Regenerate.
	* gas/xstormy16/allinsn.s: Regenerate.

[sid/component/cgen-cpu/xstormy16/ChangeLog]
	* xstormy16.cxx (do_holdx): Define.
	* xstormy16.h (do_holdx): Declare.
2002-01-11 07:24:59 +00:00
Richard Earnshaw
6c43fab6fb * tc-arm.c (struct reg_entry): Move before prototypes.
(int_register, cp_register, fp_register): Delete.
(reg_table): Delete.  Replaced with ...
(rn_table, cp_table, cn_table, fn_table, mav_mvf_table)
(mav_mvd_table, mav_mvfx_table, mav_mvdx_table, mav_mvax_table)
(mav_dspsc_table): ... one table per register set.
(arm_reg_hsh): Delete.
(struct reg_map): New structure.
(all_reg_maps): New array.
(enum arm_reg_type): New enums.
(build_reg_hsh): New function.
(insert_reg_alias): Use hash table passed by caller.  Adjust all
callers.
(create_register_alias): New function, split out from ...
(md_assemble): ... here.
(md_begin): Build new register hash tables.
(arm_reg_parse): New argument for the hash table to search.  Adjust all
callers.
(arm_reg_parse_any): New function.
(co_proc_number): Look up the processor number in the processor hash
table.
(cirrus_regtype): Delete.
(cirrus_register, cirrus_mvf_register, cirrus_mvd_register)
(cirrus_mvfx_register, cirrus_mvdx_register, cirrus_mvax_register)
(ARM_EXT_MAVERICKsc_register): Delete.
(do_c_binops_1, do_c_binops_2, do_c_binops_3): Delete.
(do_c_binops_1[a-o], do_c_binops_2[a-c], do_c_binops_3[a-d]): New
functions.
(do_c_triple_4, do_c_triple_5): Delete.
(do_c_triple_4[ab], do_c_triple_5[a-h]): New functions.
(do_c_quad_6): Delete.
(do_c_quad_6[ab]): New functions.
(do_c_binops, do_c_triple, do_c_quad, do_c_shift, do_c_ldst): Rework
arguments to use new register parsing methods.
(cirrus_reg_required_here): Likewise.
(insns): Reclassify cirrus maverick worker functions.
(cirrus_valid_reg): Delete.
2002-01-10 11:47:35 +00:00
Richard Earnshaw
52fe395a0d * gas/arm/float.s: Don't use VFP register names in fpa instructions. 2002-01-09 16:59:06 +00:00
H.J. Lu
b3ca3a6a1f 2002-01-08 H.J. Lu <hjl@gnu.org>
* gas/mips/elf-rel.s: New tests for nested ().

	* gas/mips/elf-rel.d: Modified for nested () tests.
	* gas/mips/elfel-rel.d: Likewise.
2002-01-09 07:30:36 +00:00
Jason Thorpe
8d05742ff6 bfd:
* Makefile.am (BFD32_BACKENDS): Add elf32-sh-nbsd.lo.
(BFD32_BACKENDS_CFILES): Add elf32-sh-nbsd.c.
(elf32-sh-nbsd.lo): New rule.
* Makefile.in: Regenerate.
* config.bfd (sh*le-*-netbsdelf*): New target.
(sh*-*-netbsdelf*): New target.
* configure.in: Include netbsd-core.lo for native sh*-*-netbsd*.
(bfd_elf32_shnbsd_vec): New vector.
(bfd_elf32_shlnbsd_vec): New vector.
* configure: Regenerate.
* elf32-sh-nbsd.c: New file.
* targets.c: Update copyright years.
(_bfd_target_vector): Add bfd_elf32_shlnbsd_vec and
bfd_elf32_shnbsd_vec.

gas:
* configure.in (sh*le): Set cpu_type=sh and endian=little.
(sh*-*-netbsdelf*): New target.
* configure: Regenerate.
* tc-sh.h: Update copyright years.
(TARGET_FORMAT): Add version for TE_NetBSD.

ld:
* Makefile.am (ALL_EMULATIONS): Add eshelf_nbsd.o and eshlelf_nbsd.o.
(eshelf_nbsd.c): New rule.
(eshlelf_nbsd.c): New rule.
* Makefile.in: Regenerate.
* configure.tgt (sh*le-*-netbsdelf*): New target.
(sh*-*-netbsdelf*): New target.
* emulparams/shelf.sh: Document that shelf_nbsd.sh sources this file.
* ld/emulparams/shelf_nbsd.sh: New emulation.
* ld/emulparams/shlelf_nbsd.sh: New emulation.
2002-01-08 04:23:02 +00:00
Nick Clifton
ceac3f6271 do not allow size or nbytes to go negative. 2002-01-07 17:51:18 +00:00
Nick Clifton
08d561335f Rotate ChangeLog 2002-01-07 12:12:47 +00:00
Alan Modra
d7861ad2a5 * config/tc-m68k.h (md_prepare_relax_scan): Rewrite.
* config/tc-m68k.c (md_relax_table): Add md_prepare_relax_scan comment.
2002-01-06 12:15:45 +00:00
Daniel Jacobowitz
7a62114442 2002-01-05 Daniel Jacobowitz <drow@mvista.com>
* tc-mips.c (mips_cprestore_valid): New flag.
        (mips_frame_reg_valid): New flag.
        (macro) [M_JAL_2]: Check both flags.
        [M_JAL_A]: Likewise.
        (s_cprestore): Set mips_cprestore_valid.
        (tc_get_register): If setting mips_frame_reg, set
        mips_frame_reg_valid and clear mips_cprestore_valid.
        (s_mips_ent): Clear both flags.
        (s_mips_end): Clear both flags.

2002-01-05  Daniel Jacobowitz  <drow@mvista.com>

        * gas/mips/jal-svr4pic.s: Add .ent and .frame directives.
        * gas/mips/mips-abi32-pic.s: Add .frame directive.
        * gas/mips/mips-gp32-fp32-pic.s: Likewise.
        * gas/mips/mips-gp32-fp64-pic.s: Likewise.
        * gas/mips/mips-gp64-fp32-pic.s: Likewise.
        * gas/mips/mips-gp64-fp64-pic.s: Likewise.
2002-01-05 19:06:52 +00:00
Alan Modra
7c6beb6988 * write.c (write_object_file): Make use of bfd_section_list_remove.
* config/obj-ecoff.c (ecoff_frob_file): Likewise.
	* config/tc-mmix.c (mmix_frob_file): Likewise.
2002-01-05 13:13:18 +00:00
Andreas Jaeger
8a8b2d4b4a bfd:
* config.bfd (x86_64-*-netbsd*): New target.
	* configure.in (x86_64-*-netbsd*): Set COREFILE
	to netbsd-core.lo.
	* configure: Regenerated.

gas:
	* configure.in (i386-*-netbsdelf*): Collapse target into...
	(i386-*-netbsd*): ...this.  Add support for x86-64.
	* configure: Regenerated.

ld:
	* configure.tgt (x86_64-*-netbsd*): New target.
2002-01-04 14:49:06 +00:00
Matthew Green
a09cf9bd77 [gas/ChangeLog]
* config/tc-ppc.c (md_parse_option): BookE is not Motorola specific.

[include/opcode/ChangeLog]
* ppc.h (PPC_OPCODE_BOOKE): BookE is not Motorola specific.
(PPC_OPCODE_BOOKE64): Likewise.
2002-01-03 02:07:19 +00:00
Chris Demetriou
a657e7c198 2002-01-02 Chris Demetriou <cgd@broadcom.com>
* ld-mips-elf/empic1-ln.d: New file to test basic linking of
        R_MIPS_GNU_REL_HI16 and R_MIPS_GNU_REL_LO16 relocations.
        * ld-mips-elf/empic1-lp.d: Likewise.
        * ld-mips-elf/empic1-mn.d: Likewise.
        * ld-mips-elf/empic1-mp.d: Likewise.
        * ld-mips-elf/empic1-sn.d: Likewise.
        * ld-mips-elf/empic1-sp.d: Likewise.
        * ld-mips-elf/empic1-ref.s: Likewise.
        * ld-mips-elf/empic1-space.s: Likewise.
        * ld-mips-elf/empic1-tgt.s: Likewise.
        * ld-mips-elf/empic2-fwd-0.d: New file to test
        R_MIPS_GNU_REL_HI16 and R_MIPS_GNU_REL_LO16 relocation edge
        cases.
        * ld-mips-elf/empic2-fwd-1.d: Likewise.
        * ld-mips-elf/empic2-rev-0.d: Likewise.
        * ld-mips-elf/empic2-rev-1.d: Likewise.
        * ld-mips-elf/empic2-ref.s: Likewise.
        * ld-mips-elf/empic2-space.s: Likewise.
        * ld-mips-elf/empic2-fwd-tgt.s: Likewise.
        * ld-mips-elf/empic2-rev-tgt.s: Likewise.
        * ld-mips-elf/mips-elf.exp: New file to run MIPS 32-bit ELF
        tests (including those above).
2002-01-02 18:59:32 +00:00
Nick Clifton
23b7f870fb Test for a NULL frag link. 2002-01-02 17:19:07 +00:00
Richard Henderson
cb5301b617 * config/tc-ia64.c (has_suffix_p): New.
(note_register_values): Use it instead of strstr.
2002-01-01 01:18:17 +00:00
Richard Henderson
86cf98f345 * config/tc-ia64.c (errata_nop_necessary_p): Prototype.
(make_unw_section_name): Constify local variables.
2002-01-01 01:16:44 +00:00
Jeff Law
1d358ee0cc * config/tc-hppa.c (pa_ip): Handle new 'c' mode completers,
'X', 'M', and 'A'.
2001-12-31 23:47:02 +00:00
Jakub Jelinek
bd5e6e7e3a * elf32-sparc.c (_bfd_sparc_elf_howto_table): Fix dst_mask for
R_SPARC_DISP32.  Support R_SPARC_PLT32.
	(sparc_reloc_map): Add BFD_RELOC_16_PCREL and BFD_RELOC_SPARC_PLT32.
	(elf32_sparc_check_relocs): Handle R_SPARC_PLT32.
	(elf32_sparc_relocate_section): Likewise.
	* elf64-sparc.c (sparc64_elf_howto_table): Fix dst_mask for
	R_SPARC_DISP32.  Support R_SPARC_PLT32 and R_SPARC_PLT64.
	(sparc_reloc_map): Add BFD_RELOC_16_PCREL, BFD_RELOC_64_PCREL
	and BFD_RELOC_SPARC_PLT32.
	(sparc64_elf_check_relocs): Handle R_SPARC_PLT32 and R_SPARC_PLT64.
	(sparc64_elf_relocate_section): Likewise.
	* reloc.c (bfd_reloc_code_type): Add BFD_RELOC_SPARC_PLT32.
	* bfd-in2.h, libbfd.h: Rebuilt.

	* config/tc-sparc.h (TC_PARSE_CONS_EXPRESSION): Define.
	(sparc_cons): Provide prototype.
	* config/tc-sparc.c (tc_gen_reloc): Handle BFD_RELOC_*_PCREL and
	BFD_RELOC_SPARC_PLT{32,64}.  Enumerate for which relocs
	reloc->addend = fixp->fx_addnumber shouldn't be done instead of
	enumarating for which pc relative ones it should be done.
	(sparc_cons_special_reloc): New variable.
	(sparc_cons): New function.
	(cons_fix_new_sparc): Use sparc_cons_special_reloc.
	* testsuite/gas/sparc/pcrel.s: New test.
	* testsuite/gas/sparc/pcrel.d: Expected output.
	* testsuite/gas/sparc/pcrel64.s: New test.
	* testsuite/gas/sparc/pcrel64.d: Expected output.
	* testsuite/gas/sparc/plt.s: New test.
	* testsuite/gas/sparc/plt.d: Expected output.
	* testsuite/gas/sparc/plt64.s: New test.
	* testsuite/gas/sparc/plt64.d: Expected output.
	* testsuite/gas/sparc/sparc.exp: Add pcrel, pcrel64, plt and plt64
	tests.
2001-12-21 22:35:24 +00:00
Nick Clifton
ff460b2a1f Use real binary file for .incbin test 2001-12-21 11:40:53 +00:00
Daniel Jacobowitz
a8e8e86325 2001-12-20 Thiemo Seufer <seufer@csv.ica.uni-stuttgart.de>
Daniel Jacobowitz <drow@mvista.com>

        * config/tc-mips.c (file_mips_gp32): Initialize to invalid value.
        (file_mips_fp32): Likewise.
        (md_begin): Compatibility handling for -mipsN option.
2001-12-20 21:11:26 +00:00