1 2016-09-21 Richard Sandiford <richard.sandiford@arm.com>
3 * opcode/aarch64.h (F_STRICT): New flag.
5 2016-09-07 Richard Earnshaw <rearnsha@arm.com>
7 * opcode/arm.h (ARM_ARCH_V8A_CRC): New architecture.
9 2016-08-26 Cupertino Miranda <cmiranda@synopsys.com>
10 * elf/arc-reloc.def: Fixed relocation formula for N*, SDA, SDA_12,
11 SDA_16_LD*, S13_PCREL, N32_ME, SECTOFF_* relocations.
12 * opcode/arc-func.h (replace_disp12s): Added. Used for SDA_12
15 2016-08-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
17 * arm.h (ARM_GET_SYM_CMSE_SPCL): Define macro.
18 (ARM_SET_SYM_CMSE_SPCL): Likewise.
20 2016-08-01 Andrew Jenner <andrew@codesourcery.com>
22 * opcode/ppc.h (PPC_OPCODE_E200Z4): New define.
24 2016-07-29 Aldy Hernandez <aldyh@redhat.com>
26 * libiberty.h (MAX_ALLOCA_SIZE): New macro.
28 2016-07-27 Graham Markall <graham.markall@embecosm.com>
30 * opcode/arc.h: Add ARC_OPERAND_ADDRTYPE,
31 ARC_OPERAND_COLON. Add the arc_nps_address_type enum and
33 * opcode/arc.h: Add BMU to insn_class_t enum.
34 * opcode/arc.h: Add PMU to insn_class_t enum.
36 2016-07-20 Claudiu Zissulescu <claziss@synopsys.com>
38 * dis-asm.h: Declare print_arc_disassembler_options.
40 2016-07-15 Thomas Preud'homme <thomas.preudhomme@arm.com>
42 * bfdlink.h (struct bfd_link_info): Declare new ldscript_def and
43 out_implib_bfd fields.
45 2016-07-14 Claudiu Zissulescu <claziss@synopsys.com>
47 * elf/arc-reloc.def (ARC_SDA32): Don't use ME transformation.
49 2016-07-05 Andre Vieria <andre.simoesdiasvieira@arm.com>
51 * include/elf/arm.h (SHF_ARM_NOREAD): Rename to ...
52 (SHF_ARM_PURECODE): ... this.
54 2016-07-01 Szabolcs Nagy <szabolcs.nagy@arm.com>
56 * opcode/aarch64.h (AARCH64_CPU_HAS_ALL_FEATURES): New.
57 (AARCH64_CPU_HAS_ANY_FEATURES): New.
58 (AARCH64_CPU_HAS_FEATURE): Define as AARCH64_CPU_HAS_ALL_FEATURES.
59 (AARCH64_OPCODE_HAS_FEATURE): Remove.
61 2016-06-30 Matthew Wahab <matthew.wahab@arm.com>
63 * opcode/arm.h (ARM_ARCH_V8_2a): Add FPU_NEON_EXT_RDMA to the set
64 of enabled FPU features.
66 2016-06-29 Trevor Saunders <tbsaunde+binutils@tbsaunde.org>
68 * opcode/sparc.h (enum sparc_opcode_arch_val): Move
69 SPARC_OPCODE_ARCH_MAX into the enum.
71 2016-06-28 Richard Sandiford <richard.sandiford@arm.com>
73 * opcode/aarch64.h (aarch64_opnd_info): Change index fields to int64_t.
75 2016-06-28 Maciej W. Rozycki <macro@imgtec.com>
77 * elf/mips.h (R_MIPS16_PC16_S1): New relocation.
79 2016-06-25 Trevor Saunders <tbsaunde+binutils@tbsaunde.org>
81 * elf/xtensa.h (xtensa_make_property_section): New prototype.
83 2016-06-24 John Baldwin <jhb@FreeBSD.org>
85 * elf/common.h (AT_FREEBSD_EXECPATH, AT_FREEBSD_CANARY)
86 (AT_FREEBSD_CANARYLEN, AT_FREEBSD_OSRELDATE, AT_FREEBSD_NCPUS)
87 (AT_FREEBSD_PAGESIZES, AT_FREEBSD_PAGESIZESLEN)
88 (AT_FREEBSD_TIMEKEEP, AT_FREEBSD_STACKPROT): Define.
90 2016-06-23 Graham Markall <graham.markall@embecosm.com>
92 * opcode/arc.h: Make insn_class_t alphabetical again.
94 2016-06-22 Trevor Saunders <tbsaunde+binutils@tbsaunde.org>
96 * elf/dlx.h: Wrap in extern C.
97 * elf/xtensa.h: Likewise.
98 * opcode/arc.h: Likewise.
100 2016-06-22 Trevor Saunders <tbsaunde+binutils@tbsaunde.org>
102 * opcode/tilegx.h: Move TILEGX_NUM_PIPELINE_ENCODINGS into
105 2016-06-21 Graham Markall <graham.markall@embecosm.com>
107 * opcode/arc.h: Add nps400 extension and instruction
109 Remove ARC_OPCODE_NPS400
110 * elf/arc.h: Remove E_ARC_MACH_NPS400
112 2016-06-17 Jose E. Marchesi <jose.marchesi@oracle.com>
114 * opcode/sparc.h (enum sparc_opcode_arch_val): Add
115 SPARC_OPCODE_ARCH_V9C, SPARC_OPCODE_ARCH_V9D,
116 SPARC_OPCODE_ARCH_V9E, SPARC_OPCODE_ARCH_V9V and
117 SPARC_OPCODE_ARCH_V9M.
119 2016-06-14 John Baldwin <jhb@FreeBSD.org>
121 * opcode/msp430-decode.h (MSP430_Size): Remove.
122 (Msp430_Opcode_Decoded): Change type of size to int.
124 2016-06-11 Alan Modra <amodra@gmail.com>
126 * coff/sparc.h (COFF_ADJUST_SYM_OUT_POST): Define.
128 2016-06-08 Jose E. Marchesi <jose.marchesi@oracle.com>
130 * opcode/sparc.h: Add missing documentation for hyperprivileged
131 registers in rd (%) and rs1 ($).
133 2016-06-07 Alan Modra <amodra@gmail.com>
135 * elf/ppc.h (APUINFO_SECTION_NAME, APUINFO_LABEL, PPC_APUINFO_ISEL,
136 PPC_APUINFO_PMR, PPC_APUINFO_RFMCI, PPC_APUINFO_CACHELCK,
137 PPC_APUINFO_SPE, PPC_APUINFO_EFS, PPC_APUINFO_BRLOCK,
138 PPC_APUINFO_VLE: Define.
140 2016-06-07 Matthew Wahab <matthew.wahab@arm.com>
142 * opcode/arm.h (ARM_EXT2_RAS): New. Also align preceding
144 (ARM_AEXT_V8_2A): Add ARM_EXT2_RAS.
146 2016-06-02 Andrew Burgess <andrew.burgess@embecosm.com>
148 * opcode/arc.h (MAX_INSN_ARGS): Increase to 16.
149 (struct arc_long_opcode): New structure.
150 (arc_long_opcodes): Declare.
151 (arc_num_long_opcodes): Declare.
153 2016-06-01 Trevor Saunders <tbsaunde+binutils@tbsaunde.org>
155 * elf/mips.h: Add extern "C".
156 * elf/sh.h: Likewise.
157 * opcode/d10v.h: Likewise.
158 * opcode/d30v.h: Likewise.
159 * opcode/ia64.h: Likewise.
160 * opcode/mips.h: Likewise.
161 * opcode/ppc.h: Likewise.
162 * opcode/sparc.h: Likewise.
163 * opcode/tic6x.h: Likewise.
164 * opcode/v850.h: Likewise.
166 2016-05-28 Alan Modra <amodra@gmail.com>
168 * bfdlink.h (struct bfd_link_callbacks): Update comments.
169 Return void from multiple_definition, multiple_common,
170 add_to_set, constructor, warning, undefined_symbol,
171 reloc_overflow, reloc_dangerous and unattached_reloc.
173 2016-05-26 Trevor Saunders <tbsaunde+binutils@tbsaunde.org>
175 * opcode/metag.h: wrap declarations in extern "C".
177 2016-05-23 Claudiu Zissulescu <claziss@synopsys.com>
179 * opcode/arc.h (insn_subclass_t): Add COND.
180 (flag_class_t): Add F_CLASS_EXTEND.
182 2016-05-23 Cupertino Miranda <cmiranda@synopsys.com>
184 * opcode/arc.h (struct arc_opcode): Renamed attribute class to
186 (struct arc_flag_class): Renamed attribute class to flag_class.
188 2016-05-23 Trevor Saunders <tbsaunde+binutils@tbsaunde.org>
190 * opcode/tic54x.h (struct symbol_): typedef to tic54x_symbol instead of
193 2016-04-29 Tom Tromey <tom@tromey.com>
195 * dwarf2.h (enum dwarf_source_language) <DW_LANG_Rust,
196 DW_LANG_Rust_old>: New constants.
198 2016-05-11 Andrew Bennett <andrew.bennett@imgtec.com>
200 * elf/mips.h (AFL_ASE_DSPR3): New macro.
201 (AFL_ASE_MASK): Update to include AFL_ASE_DSPR3.
202 * opcode/mips.h (ASE_DSPR3): New macro.
204 2016-05-10 Thomas Preud'homme <thomas.preudhomme@arm.com>
205 Nick Clifton <nickc@redhat.com>
207 * arm.h (enum arm_st_branch_type): Add new ST_BRANCH_ENUM_SIZE
209 (NUM_ENUM_ARM_ST_BRANCH_TYPE_BITS): New macro.
210 (ENUM_ARM_ST_BRANCH_TYPE_BITMASK): Likewise.
211 (ARM_SYM_BRANCH_TYPE): Replace by ...
212 (ARM_GET_SYM_BRANCH_TYPE): This and ...
213 (ARM_SET_SYM_BRANCH_TYPE): This in two versions depending on whether
214 BFD_ASSERT is defined or not.
216 2016-05-10 Thomas Preud'homme <thomas.preudhomme@arm.com>
218 * elf/arm.h (Tag_DSP_extension): Define.
220 2016-05-10 Thomas Preud'homme <thomas.preudhomme@arm.com>
222 * arm.h (ARM_FSET_CPU_SUBSET): Define macro.
224 2016-05-10 Thomas Preud'homme <thomas.preudhomme@arm.com>
226 * opcode/arm.h (ARM_EXT2_V8M_MAIN): new feature bit.
227 (ARM_AEXT2_V8M_MAIN): New architecture extension feature set.
228 (ARM_ARCH_V8M_MAIN): Use ARM_AEXT2_V8M_MAIN instead of ARM_AEXT2_V8M
229 for the high core bits.
231 2016-05-03 Claudiu Zissulescu <claziss@synopsys.com>
233 * opcode/arc.h (ARC_SYNTAX_1OP): Declare
234 (ARC_SYNTAX_NOP): Likewsie.
235 (ARC_OP1_MUST_BE_IMM): Update defined value.
236 (ARC_OP1_IMM_IMPLIED): Likewise.
237 (arg_32bit_rc, arg_32bit_u6, arg_32bit_limm): Declare.
239 2016-04-28 Nick Clifton <nickc@redhat.com>
242 * opcode/aarch64.h (struct aarch64_opcode): Add verifier field.
244 2016-04-27 Alan Modra <amodra@gmail.com>
246 * bfdlink.h (struct bfd_link_hash_entry): Add "section" field to
249 2016-04-21 Nick Clifton <nickc@redhat.com>
251 * bfdlink.h: Add prototype for bfd_link_check_relocs.
253 2016-04-20 H.J. Lu <hongjiu.lu@intel.com>
255 * bfdlink.h (bfd_link_info): Add check_relocs_after_open_input.
257 2016-04-20 Andrew Burgess <andrew.burgess@embecosm.com>
259 * elf/arc-reloc.def (ARC_NPS_CMEM16): Add ME modifier to formula.
261 2016-04-19 Andrew Burgess <andrew.burgess@embecosm.com>
263 * opcode/arc.h (MAX_INSN_ARGS): Increase 6 to 8.
265 2016-04-19 Andrew Burgess <andrew.burgess@embecosm.com>
267 * opcode/arc.h (insn_class_t): Add NET and ACL class.
269 2016-04-14 Andrew Burgess <andrew.burgess@embecosm.com>
271 * elf/arc-reloc.def: Add ARC_NPS_CMEM16 reloc.
272 * opcode/arc.h (NPS_CMEM_HIGH_VALUE): Define.
274 2016-04-12 Claudiu Zissulescu <claziss@synopsys.com>
276 * opcode/arc.h (flag_class_t): Update.
277 (ARC_OPCODE_NONE): Define.
278 (ARC_OPCODE_ARCALL): Likewise.
279 (ARC_OPCODE_ARCFPX): Likewise.
280 (ARC_REGISTER_READONLY): Likewise.
281 (ARC_REGISTER_WRITEONLY): Likewise.
282 (ARC_REGISTER_NOSHORT_CUT): Likewise.
283 (arc_aux_reg): Add cpu.
285 2016-04-12 Claudiu Zissulescu <claziss@synopsys.com>
287 * opcode/arc.h (arc_num_opcodes): Remove.
288 (ARC_SYNTAX_3OP, ARC_SYNTAX_2OP, ARC_OP1_MUST_BE_IMM)
289 (ARC_OP1_IMM_IMPLIED, ARC_SUFFIX_NONE, ARC_SUFFIX_COND)
290 (ARC_SUFFIX_FLAG): Define.
291 (flags_none, flags_f, flags_cc, flags_ccf): Declare.
292 (arg_none, arg_32bit_rarbrc, arg_32bit_zarbrc, arg_32bit_rbrbrc)
293 (arg_32bit_rarbu6, arg_32bit_zarbu6, arg_32bit_rbrbu6)
294 (arg_32bit_rbrbs12, arg_32bit_ralimmrc, arg_32bit_rarblimm)
295 (arg_32bit_zalimmrc, arg_32bit_zarblimm, arg_32bit_rbrblimm)
296 (arg_32bit_ralimmu6, arg_32bit_zalimmu6, arg_32bit_zalimms12)
297 (arg_32bit_ralimmlimm, arg_32bit_zalimmlimm, arg_32bit_rbrc)
298 (arg_32bit_zarc, arg_32bit_rbu6, arg_32bit_zau6, arg_32bit_rblimm)
299 (arg_32bit_zalimm, arg_32bit_limmrc, arg_32bit_limmu6)
300 (arg_32bit_limms12, arg_32bit_limmlimm): Likewise.
302 2016-04-05 Claudiu Zissulescu <claziss@synopsys.com>
304 * opcode/arc.h (DPA, DPX, SPX): New subclass enums.
306 (arc_aux_reg): Add new field.
308 2016-04-05 Cupertino Miranda <cmiranda@synopsys.com>
310 * opcode/arc-func.h (replace_bits24): Changed.
311 (replace_bits24_be): Created.
313 2016-03-29 Claudiu Zissulescu <claziss@synopsys.com>
315 * opcode/arc.h (insn_subclass_t): Add QUARKSE subclass.
316 (FIELDA, FIELDB, FIELDC, FIELDF, FIELDQ, INSN3OP, INSN2OP)
317 (INSN2OP, INSN3OP_ABC, INSN3OP_ALC, INSN3OP_ABL, INSN3OP_ALL)
318 (INSN3OP_0BC, INSN3OP_0LC, INSN3OP_0BL, INSN3OP_0LL, INSN3OP_ABU)
319 (INSN3OP_ALU, INSN3OP_0BU, INSN3OP_0LU, INSN3OP_BBS, INSN3OP_0LS)
320 (INSN3OP_CBBC, INSN3OP_CBBL, INSN3OP_C0LC, INSN3OP_C0LL)
321 (INSN3OP_CBBU, INSN3OP_C0LU, MINSN3OP_ABC, MINSN3OP_ALC)
322 (MINSN3OP_ABL, MINSN3OP_ALL, MINSN3OP_0BC, MINSN3OP_0LC)
323 (MINSN3OP_0BL, MINSN3OP_0LL, MINSN3OP_ABU, MINSN3OP_ALU)
324 (MINSN3OP_0BU, MINSN3OP_0LU, MINSN3OP_BBS, MINSN3OP_0LS)
325 (MINSN3OP_CBBC, MINSN3OP_CBBL, MINSN3OP_C0LC, MINSN3OP_C0LL)
326 (MINSN3OP_CBBU, MINSN3OP_C0LU, INSN2OP_BC, INSN2OP_BL, INSN2OP_0C)
327 (INSN2OP_0L INSN2OP_BU, INSN2OP_0U, MINSN2OP_BC, MINSN2OP_BL)
328 (MINSN2OP_0C, MINSN2OP_0L, MINSN2OP_BU, MINSN2OP_0U): Define.
330 2016-03-22 Trevor Saunders <tbsaunde+binutils@tbsaunde.org>
332 * opcode/i960.h: Add const qualifiers.
333 * opcode/tic4x.h (struct tic4x_inst): Likewise.
335 2016-03-21 Andrew Burgess <andrew.burgess@embecosm.com>
337 * opcodes/arc.h (insn_class_t): Add BITOP type.
339 2016-03-21 Andrew Burgess <andrew.burgess@embecosm.com>
341 * opcode/arc.h (flag_class_t): Remove all old flag classes, add 3
344 2016-03-21 Andrew Burgess <andrew.burgess@embecosm.com>
346 * elf/arc.h (E_ARC_MACH_NPS400): Define.
347 * opcode/arc.h (ARC_OPCODE_NPS400): Define.
349 2016-03-21 Andrew Burgess <andrew.burgess@embecosm.com>
351 * elf/arc.h (EF_ARC_CPU_GENERIC): Delete. Update related comment.
353 2016-03-21 Andrew Burgess <andrew.burgess@embecosm.com>
355 * elf/arc.h (EF_ARC_MACH): Delete.
356 (EF_ARC_MACH_MSK): Remove out of date comment.
358 2016-03-21 Andrew Burgess <andrew.burgess@embecosm.com>
360 * opcode/arc.h (ARC_OPCODE_BASE): Delete.
362 2016-03-15 H.J. Lu <hongjiu.lu@intel.com>
365 * bfdlink.h (bfd_link_info): Add no_reloc_overflow_check.
367 2016-03-08 Cupertino Miranda <Cupertino.Miranda@synopsys.com>
368 Andrew Burgess <andrew.burgess@embecosm.com>
370 * elf/arc-reloc.def: Add a call to ME within the formula for each
371 relocation that requires middle-endian correction.
373 2016-03-07 Trevor Saunders <tbsaunde+binutils@tbsaunde.org>
375 * opcode/dlx.h (struct dlx_opcode): Add const qualifiers.
376 * opcode/h8300.h (struct h8_opcode): Likewise.
377 * opcode/hppa.h (struct pa_opcode): Likewise.
378 * opcode/msp430.h: Likewise.
379 * opcode/spu.h (struct spu_opcode): Likewise.
380 * opcode/tic30.h (struct _register): Likewise.
381 * opcode/tic4x.h (struct tic4x_register): Likewise.
382 (struct tic4x_cond): Likewise.
383 (struct tic4x_indirect): Likewise.
384 (struct tic4x_inst): Likewise.
385 * opcode/visium.h (struct reg_entry): Likewise.
387 2016-03-04 Matthew Wahab <matthew.wahab@arm.com>
389 * arm.h (ARM_ARCH_V8_1A): Add FPU_NEON_EXT_RDMA.
390 (ARM_CPU_HAS_FEATURE): Add comment.
392 2016-03-03 Than McIntosh <thanm@google.com>
394 * plugin-api.h: Add new hooks to the plugin transfer vector to
395 to support querying section alignment and section size.
396 (ld_plugin_get_input_section_alignment): New hook.
397 (ld_plugin_get_input_section_size): New hook.
398 (ld_plugin_tag): Add LDPT_GET_INPUT_SECTION_ALIGNMENT
399 and LDPT_GET_INPUT_SECTION_SIZE.
400 (ld_plugin_tv): Add tv_get_input_section_alignment and
401 tv_get_input_section_size.
403 2016-03-03 Evgenii Stepanov <eugenis@google.com>
405 * plugin-api.h (enum ld_plugin_tag): Add LDPT_GET_SYMBOLS_V3.
407 2016-02-26 H.J. Lu <hongjiu.lu@intel.com>
410 * bfdlink.h (bfd_link_elf_stt_common): New enum.
411 (bfd_link_info): Add elf_stt_common.
413 2016-02-26 H.J. Lu <hongjiu.lu@intel.com>
418 * bfdlink.h (bfd_link_info): Add dynamic_undefined_weak.
420 2016-02-19 Matthew Wahab <matthew.wahab@arm.com>
421 Jiong Wang <jiong.wang@arm.com>
423 * opcode/arm.h (ARM_EXT2_FP16_INSN): New.
425 2016-02-10 Claudiu Zissulescu <claziss@synopsys.com>
426 Janek van Oirschot <jvanoirs@synopsys.com>
428 * opcode/arc.h (arc_opcode arc_relax_opcodes)
429 (arc_num_relax_opcodes): Declare.
431 2016-02-09 Nick Clifton <nickc@redhat.com>
433 * opcode/metag.h (metag_scondtab): Mark as possibly unused.
434 * opcode/nds32.h (nds32_r45map): Likewise.
435 (nds32_r54map): Likewise.
436 * opcode/visium.h (gen_reg_table): Likewise.
437 (fp_reg_table, cc_table, opcode_table): Likewise.
439 2016-02-09 Alan Modra <amodra@gmail.com>
442 * elf/common.h (AT_SUN_HWCAP): Undef before defining.
444 2016-02-04 Nick Clifton <nickc@redhat.com>
447 * opcode/msp430.h (IGNORE_CARRY_BIT): New define.
448 (RRUX): Synthesise using case 2 rather than 7.
450 2016-01-19 John Baldwin <jhb@FreeBSD.org>
452 * elf/common.h (NT_FREEBSD_THRMISC): Define.
453 (NT_FREEBSD_PROCSTAT_PROC): Define.
454 (NT_FREEBSD_PROCSTAT_FILES): Define.
455 (NT_FREEBSD_PROCSTAT_VMMAP): Define.
456 (NT_FREEBSD_PROCSTAT_GROUPS): Define.
457 (NT_FREEBSD_PROCSTAT_UMASK): Define.
458 (NT_FREEBSD_PROCSTAT_RLIMIT): Define.
459 (NT_FREEBSD_PROCSTAT_OSREL): Define.
460 (NT_FREEBSD_PROCSTAT_PSSTRINGS): Define.
461 (NT_FREEBSD_PROCSTAT_AUXV): Define.
463 2016-01-18 Miranda Cupertino <Cupertino.Miranda@synopsys.com>
464 Zissulescu Claudiu <Claudiu.Zissulescu@synopsys.com>
466 * elf/arc-reloc.def (ARC_32, ARC_GOTPC, ARC_TLS_GD_GOT)
467 (ARC_TLS_IE_GOT, ARC_TLS_DTPOFF, ARC_TLS_DTPOFF_S9, ARC_TLS_LE_S9)
468 (ARC_TLS_LE_32): Fixed formula.
469 (ARC_TLS_GD_LD): Use new special function.
470 * opcode/arc-func.h: Changed all the replacement
471 functions to clear the patching bits before doing an or it with the value
474 2016-01-18 Nick Clifton <nickc@redhat.com>
477 * coff/internal.h (internal_syment): Use int to hold section
479 (N_UNDEF): Cast to int not short.
485 2016-01-11 Nick Clifton <nickc@redhat.com>
487 Import this change from GCC mainline:
489 2016-01-07 Mike Frysinger <vapier@gentoo.org>
491 * longlong.h: Change !__SHMEDIA__ to
492 (!defined (__SHMEDIA__) || !__SHMEDIA__).
493 Change __SHMEDIA__ to defined (__SHMEDIA__) && __SHMEDIA__.
495 2016-01-06 Maciej W. Rozycki <macro@imgtec.com>
497 * opcode/mips.h: Add a summary of MIPS16 operand codes.
499 2016-01-05 Mike Frysinger <vapier@gentoo.org>
501 * libiberty.h (dupargv): Change arg to char * const *.
502 (writeargv, countargv): Likewise.
504 2016-01-01 Alan Modra <amodra@gmail.com>
506 Update year range in copyright notice of all files.
508 For older changes see ChangeLog-0415, aout/ChangeLog-9115,
509 cgen/ChangeLog-0915, coff/ChangeLog-0415, elf/ChangeLog-0415,
510 mach-o/ChangeLog-1115, nlm/ChangeLog-9315, opcode/ChangeLog-0415,
511 som/ChangeLog-1015, and vms/ChangeLog-1015
513 Copyright (C) 2016 Free Software Foundation, Inc.
515 Copying and distribution of this file, with or without modification,
516 are permitted in any medium without royalty provided the copyright
517 notice and this notice are preserved.
523 version-control: never