1 2016-03-17 Vladimir Radosavljevic <vladimir.radosavljevic@imgtec.com>
3 * mips.cc (class Mips_output_data_la25_stub): Add
4 do_print_to_mapfile function.
6 2016-03-17 Vladimir Radosavljevic <vladimir.radosavljevic@imgtec.com>
8 * mips.cc (Mips_classify_reloc::put_r_info): Call 32bit version of
11 2016-03-09 H.J. Lu <hongjiu.lu@intel.com>
13 * testsuite/plugin_layout_with_alignment.cc: Renamed to ..
14 * testsuite/plugin_layout_with_alignment.c: This.
15 * testsuite/Makefile.am (plugin_layout_with_alignment.o): Updated.
16 (plugin_layout_with_alignment): Likewise.
17 * testsuite/Makefile.in: Regenerated.
19 2016-03-08 Cary Coutant <ccoutant@gmail.com>
22 * testsuite/Makefile.am (retain_symbols_file_test): Remove check
24 * testsuite/Makefile.in: Regenerate.
25 * testsuite/dynamic_list.sh: Likewise.
26 * testsuite/retain_symbols_file_test.sh: Likewise.
28 2016-03-08 Cary Coutant <ccoutant@gmail.com>
31 * arm.cc (Reloc_stub::Key::name): Add unused attribute.
32 * dirsearch.cc (Dir_caches::~Dir_caches): Likewise.
34 2016-03-08 Cary Coutant <ccoutant@gmail.com>
35 Vladimir Radosavljevic <vladimir.radosavljevic@imgtec.com>
37 * output.cc (Output_reloc_writer): New type.
38 (Output_data_reloc_base::do_write): Move implementation to template
39 in output.h and replace with invocation of template.
40 * output.h (Output_file): Move to top of file.
41 (Output_reloc::get_symbol_index): Move to public interface.
42 (Output_reloc::get_address): Likewise.
43 (Output_data_reloc_base::do_write_generic): New function template.
45 2016-03-04 Cary Coutant <ccoutant@gmail.com>
49 * symtab.cc: Instantiate Sized_symbol::init_constant and
50 Sized_symbol::init_undefined.
52 2016-03-03 Cary Coutant <ccoutant@gmail.com>
55 * layout.h (Layout::add_target_specific_dynamic_tag): New function.
56 * layout.cc (Layout::add_target_specific_dynamic_tag): New function.
57 * mips.cc (Target_mips::make_symbol): Adjust function signature.
58 * sparc.cc (Target_sparc::Target_sparc): Initialize register_syms_.
59 (Target_sparc::do_is_defined_by_abi): Remove test for
61 (Target_sparc::Register_symbol): New struct type.
62 (Target_sparc::register_syms_): New data member.
63 (Target_sparc<64, true>::sparc_info): Set has_make_symbol to true.
64 (Target_sparc::make_symbol): New function.
65 (Target_sparc::do_finalize_sections): Add register symbols and new
66 dynamic table entries.
67 * symtab.h (Sized_symbol::init_undefined): Add value parameter.
68 (Symbol_table::add_target_global_symbol): New function.
69 (Symbol_table::target_symbols_): New data member.
70 * symtab.cc (Sized_symbol::init_undefined): Add value parameter.
71 (Symbol_table::Symbol_table): Initialize target_symbols_.
72 (Symbol_table::add_from_object): Pass additional parameters to
74 (Symbol_table::define_special_symbol): Likewise.
75 (Symbol_table::add_undefined_symbol_from_command_line): Pass 0 for
76 undefined symbol value.
77 (Symbol_table::set_dynsym_indexes): Process target-specific symbols.
78 (Symbol_table::sized_finalize): Likewise.
79 (Symbol_table::sized_write_globals): Likewise.
80 * target.h (Sized_target::make_symbol): Add name, st_type, object,
81 st_shndx, and value parameters.
83 2016-03-03 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
85 * plugin.cc (do_should_include_member): Ignore LDPK_UNDEF and
86 LDPK_WEAKUNDEF symbols.
88 2016-03-03 Than McIntosh <thanm@google.com>
90 * plugin.cc (Plugin::load): Include hooks for get_input_section_size
91 and get_input_section_alignment in transfer vector.
92 (get_input_section_alignment): New function.
93 (get_input_section_size): New function.
94 * testsuite/Makefile.am: Add plugin_layout_with_alignment.sh test.
95 * testsuite/Makefile.in: [Regenerate.]
96 * testsuite/plugin_section_alignment.cc: New test file.
97 * testsuite/plugin_layout_with_alignment.cc: New test file.
98 * testsuite/plugin_layout_with_alignment.sh: New test file.
100 2016-03-03 Evgenii Stepanov <eugenis@google.com>
102 * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
104 * plugin.cc (get_symbols_v3): New function.
105 (Plugin::load): Add LDPT_GET_SYMBOLS_V3.
106 (Pluginobj::get_symbol_resolution_info): Return LDPS_NO_SYMS when using
109 2016-02-26 Egor Kochetov <egor.kochetov@intel.com>
110 Cary Coutant <ccoutant@gmail.com>
113 * ehframe.h (Cie::fde_encoding): New method.
114 * ehframe.cc (Eh_frame::read_fde): Discard FDEs for zero-length
117 2016-02-15 H.J. Lu <hongjiu.lu@intel.com>
119 * testsuite/Makefile.am (x86_64_mov_to_lea5.o): Pass
120 -mrelax-relocations=yes to $(TEST_AS).
121 (x86_64_mov_to_lea6.o): Likewise.
122 (x86_64_overflow_pc32.o): Remove duplicated target.
123 * testsuite/Makefile.in: Regenerated.
125 2016-02-15 Marcin Kościelnicki <koriakin@0x04.net>
127 * s390.cc (Target_s390::match_view_u): New helper method.
128 (Target_s390::do_is_call_to_non_split): New method.
129 (Target_s390::ss_code_st_r14): New const.
130 (Target_s390::ss_code_l_r14): New const.
131 (Target_s390::ss_code_bras_8): New const.
132 (Target_s390::ss_code_l_basr): New const.
133 (Target_s390::ss_code_a_basr): New const.
134 (Target_s390::ss_code_ear): New const.
135 (Target_s390::ss_code_c): New const.
136 (Target_s390::ss_code_larl): New const.
137 (Target_s390::ss_code_brasl): New const.
138 (Target_s390::ss_code_jg): New const.
139 (Target_s390::ss_code_jgl): New const.
140 (Target_s390::ss_match_mcount): New helper method.
141 (Target_s390::ss_match_l): New helper method.
142 (Target_s390::ss_match_ahi): New helper method.
143 (Target_s390::ss_match_alfi): New helper method.
144 (Target_s390::ss_match_cr): New helper method.
145 (Target_s390::do_calls_non_split): New method.
146 * testsuite/Makefile.am: Added new tests.
147 * testsuite/Makefile.in: Regenerate.
148 * testsuite/split_s390.sh: New test.
149 * testsuite/split_s390_1_a1.s: New test.
150 * testsuite/split_s390_1_a2.s: New test.
151 * testsuite/split_s390_1_n1.s: New test.
152 * testsuite/split_s390_1_n2.s: New test.
153 * testsuite/split_s390_1_z1.s: New test.
154 * testsuite/split_s390_1_z2.s: New test.
155 * testsuite/split_s390_1_z3.s: New test.
156 * testsuite/split_s390_1_z4.s: New test.
157 * testsuite/split_s390_2_ns.s: New test.
158 * testsuite/split_s390_2_s.s: New test.
159 * testsuite/split_s390x_1_a1.s: New test.
160 * testsuite/split_s390x_1_a2.s: New test.
161 * testsuite/split_s390x_1_n1.s: New test.
162 * testsuite/split_s390x_1_n2.s: New test.
163 * testsuite/split_s390x_1_z1.s: New test.
164 * testsuite/split_s390x_1_z2.s: New test.
165 * testsuite/split_s390x_1_z3.s: New test.
166 * testsuite/split_s390x_1_z4.s: New test.
167 * testsuite/split_s390x_2_ns.s: New test.
168 * testsuite/split_s390x_2_s.s: New test.
170 2016-02-11 Rahul Chaudhry <rahulchaudhry@google.com>
172 * aarch64.cc (Target_aarch64::scan_erratum_843419_span): Remove
173 info message for every erratum 843419 found and fixed.
175 2016-02-07 Cary Coutant <ccoutant@gmail.com>
178 * x86_64.cc (Target_x86_64::Relocate::relocate): Add additional
179 information to relocation overflow errors.
181 2016-02-06 Cary Coutant <ccoutant@gmail.com>
184 * x86_64.cc (X86_64_relocate_functions::pcrela32_check): Fix x32
185 overflow checking when symbol value + addend < 0.
187 2016-02-06 Cary Coutant <ccoutant@gmail.com>
190 * reloc.h (Limits): New class.
191 (Bits::has_overflow32): Use min/max values from Limits.
192 (Bits::has_unsigned_overflow32): Likewise.
193 (Bits::has_signed_unsigned_overflow32): Likewise.
194 (Bits::has_overflow): Likewise.
195 (Bits::has_unsigned_overflow): Likewise.
196 (Bits::has_signed_unsigned_overflow64): Likewise.
198 2016-02-06 Cary Coutant <ccoutant@gmail.com>
201 * reloc.h (Relocate_functions::Overflow_check): Add comments.
202 * x86_64.cc (X86_64_relocate_functions): New class.
203 (Target_x86_64::Relocate::relocate): Use the new class.
204 * testsuite/Makefile.am (x86_64_overflow_pc32): Add -Tdata option.
205 (x32_overflow_pc32): New test case.
206 * testsuite/Makefile.in: Regenerate.
207 * testsuite/x32_overflow_pc32.sh: New script.
208 * testsuite/x86_64_overflow_pc32.s: Remove .space directive.
210 2016-02-06 Cary Coutant <ccoutant@gmail.com>
213 * reloc.h (Bits::has_unsigned_overflow32): Fix static_cast.
214 (Bits::has_unsigned_overflow): Remove unnecessary static_cast.
216 2016-02-06 Cary Coutant <ccoutant@gmail.com>
219 * reloc.h (Bits::has_unsigned_overflow32): Fix unsigned/signed
221 (Bits::has_unsigned_overflow): Likewise.
223 2016-02-06 Marcin Kościelnicki <koriakin@0x04.net>
225 * i386.cc (Target_i386::is_call_to_non_split): Add view and view_size
227 * reloc.cc (Sized_relobj_file::split_stack_adjust_reltype): Pass view
228 and view_size to is_call_to_non_split.
229 * target.cc (Target::is_call_to_non_split): Add view and view_size
231 * target.h (class Target): Likewise.
233 2016-02-05 Sriraman Tallam <tmsriram@google.com>
235 * icf.cc (get_rel_addend): New function.
236 (get_section_contents): Move merge section addend computation to a
237 new function. Ignore negative values for SHT_REL and SHT_RELA addends.
238 Fix bug to not read past the length of the section.
240 2016-02-05 Cary Coutant <ccoutant@gmail.com>
241 Andrew Senkevich <andrew.senkevich@intel.com>
244 * x86_64.cc (Target_x86_64::Relocate::relocate): Add overflow
245 checking for R_X86_64_32, R_X86_64_32S, R_X86_64_PC32, and
247 * testsuite/Makefile.am (x86_64_overflow_pc32): New test.
248 * testsuite/x86_64_overflow_pc32.sh: New test script.
249 * testsuite/x86_64_overflow_pc32.s: New source file.
251 2016-02-05 Cary Coutant <ccoutant@gmail.com>
254 * reloc.h (Relocate_functions::Address): New typedef.
255 (Relocate_functions::Addendtype): New typedef.
256 (Relocate_functions::Overflow_check): New enum type.
257 (Relocate_functions::Reloc_status): New enum type.
258 (Relocate_functions::check_overflow): New function template.
259 (Relocate_functions::rel): Add check parameter; check for overflow.
260 (Relocate_functions::rel_unaligned): Likewise.
261 (Relocate_functions::rela): Likewise.
262 (Relocate_functions::pcrel): Likewise.
263 (Relocate_functions::pcrel_unaligned): Likewise.
264 (Relocate_functions::pcrela): Likewise.
265 (Relocate_functions::rel8): Adjust parameter types.
266 (Relocate_functions::rela8): Likewise.
267 (Relocate_functions::pcrel8): Likewise.
268 (Relocate_functions::pcrela8): Likewise.
269 (Relocate_functions::rel16): Likewise.
270 (Relocate_functions::rela168): Likewise.
271 (Relocate_functions::pcrel16): Likewise.
272 (Relocate_functions::pcrela16): Likewise.
273 (Relocate_functions::rel32): Likewise.
274 (Relocate_functions::rel32_unaligned): Likewise.
275 (Relocate_functions::rela32): Likewise.
276 (Relocate_functions::pcrel32): Likewise.
277 (Relocate_functions::pcrel32_unaligned): Likewise.
278 (Relocate_functions::pcrela32): Likewise.
279 (Relocate_functions::rel8_check): New function.
280 (Relocate_functions::rela8_check): New function.
281 (Relocate_functions::pcrel8_check): New function.
282 (Relocate_functions::pcrela8_check): New function.
283 (Relocate_functions::rel16_check): New function.
284 (Relocate_functions::rela168_check): New function.
285 (Relocate_functions::pcrel16_check): New function.
286 (Relocate_functions::pcrela16_check): New function.
287 (Relocate_functions::rel32_check): New function.
288 (Relocate_functions::rel32_unaligned_check): New function.
289 (Relocate_functions::rela32_check): New function.
290 (Relocate_functions::pcrel32_check): New function.
291 (Relocate_functions::pcrel32_unaligned_check): New function.
292 (Relocate_functions::pcrela32_check): New function.
293 (Bits::has_unsigned_overflow32): New function.
294 (Bits::has_unsigned_overflow): New function.
295 * testsuite/Makefile.am (overflow_unittest): New test.
296 * testsuite/Makefile.in: Regenerate.
297 * testsuite/overflow_unittest.cc: New source file.
299 2016-02-04 Alan Modra <amodra@gmail.com>
301 * powerpc.cc (relocate): Adjust last patch for big-endian.
303 2016-02-02 Alan Modra <amodra@gmail.com>
305 * powerpc.cc (relocate): Further restrict ELFv2 entry optimization.
307 2016-01-15 Han Shen <shenhan@google.com>
309 PR gold/19472 - need pc-relative stubs.
311 * aarch64.cc (Reloc_stub::stub_type_for_reloc): Return PC-relative
312 stub type for DSOs and pie executables.
314 2016-01-12 H.J. Lu <hongjiu.lu@intel.com>
316 * i386.cc (Target_i386::Classify_reloc::get_r_addend): Remove
319 2016-01-12 Cary Coutant <ccoutant@gmail.com>
321 * arm.cc (Target_arm::Classify_reloc::get_r_addend): New method.
322 * i386.cc (Target_i386::Classify_reloc::get_r_addend): New method.
323 * mips.cc (Target_arm::Mips_classify_reloc::get_r_addend): (Both
324 specializations) New method.
326 2016-01-11 Cary Coutant <ccoutant@gmail.com>
329 * aarch64.cc (Target_aarch64::relocate_tls): Don't insist that
330 we have a TLS segment for GD-to-IE optimization.
331 * i386.cc (Target_i386::tls_gd_to_ie): Remove tls_segment parameter.
333 (Target_i386::tls_desc_gd_to_ie): Likewise.
334 (Target_i386::relocate_tls): Don't insist that we have a TLS segment
335 for TLSDESC GD-to-IE optimizations.
336 * x86_64.cc (Target_x86_64::tls_gd_to_ie): Remove tls_segment parameter.
338 (Target_x86_64::tls_desc_gd_to_ie): Likewise.
339 (Target_x86_64::relocate_tls): Don't insist that we have a TLS segment
340 for TLSDESC GD-to-IE optimizations.
342 2016-01-11 Cary Coutant <ccoutant@gmail.com>
344 Refactor gold to enable support for MIPS-64 relocation format.
346 * gc.h (get_embedded_addend_size): Remove sh_type parameter.
347 (gc_process_relocs): Remove sh_type template parameter.
348 Use Classify_reloc to access r_sym, r_type, and r_addend fields.
349 * object.h (Sized_relobj_file::split_stack_adjust): Add target
351 (Sized_relobj_file::split_stack_adjust_reltype): Likewise.
352 * reloc-types.h (Reloc_types::copy_reloc_addend): (SHT_REL and SHT_RELA
353 specializations) Remove.
354 * reloc.cc (Emit_relocs_strategy): Rename and move to target-reloc.h.
355 (Sized_relobj_file::emit_relocs_scan): Call Target::emit_relocs_scan().
356 (Sized_relobj_file::emit_relocs_scan_reltype): Remove.
357 (Sized_relobj_file::split_stack_adjust): Add target parameter.
359 (Sized_relobj_file::split_stack_adjust_reltype): Likewise. Call
360 Target::get_r_sym() to get r_sym field from relocations.
361 (Track_relocs::next_symndx): Call Target::get_r_sym().
362 * target-reloc.h (scan_relocs): Remove sh_type template parameter;
363 add Classify_reloc template parameter. Use for accessing r_sym and
365 (relocate_section): Likewise.
366 (Default_classify_reloc): New class (renamed and moved from reloc.cc).
367 (Default_scan_relocatable_relocs): Remove sh_type template parameter.
368 (Default_scan_relocatable_relocs::Reltype): New typedef.
369 (Default_scan_relocatable_relocs::reloc_size): New const.
370 (Default_scan_relocatable_relocs::sh_type): New const.
371 (Default_scan_relocatable_relocs::get_r_sym): New method.
372 (Default_scan_relocatable_relocs::get_r_type): New method.
373 (Default_emit_relocs_strategy): New class.
374 (scan_relocatable_relocs): Replace sh_type template parameter with
375 Scan_relocatable_relocs class. Use it to access r_sym and r_type
377 (relocate_relocs): Replace sh_type template parameter with
378 Classify_reloc class. Use it to access r_sym and r_type fields.
379 * target.h (Target::is_call_to_non_split): Replace r_type parameter
380 with pointer to relocation. Adjust all callers.
381 (Target::do_is_call_to_non_split): Likewise.
382 (Target::emit_relocs_scan): New virtual method.
383 (Sized_target::get_r_sym): New virtual method.
384 * target.cc (Target::do_is_call_to_non_split): Replace r_type parameter
385 with pointer to relocation.
387 * aarch64.cc (Target_aarch64::emit_relocs_scan): New method.
388 (Target_aarch64::Relocatable_size_for_reloc): Remove.
389 (Target_aarch64::gc_process_relocs): Use Default_classify_reloc.
390 (Target_aarch64::scan_relocs): Likewise.
391 (Target_aarch64::relocate_section): Likewise.
392 (Target_aarch64::Relocatable_size_for_reloc::get_size_for_reloc):
394 (Target_aarch64::scan_relocatable_relocs): Use Default_classify_reloc.
395 (Target_aarch64::relocate_relocs): Use Default_classify_reloc.
396 * arm.cc (Target_arm::Arm_scan_relocatable_relocs): Remove sh_type
398 (Target_arm::emit_relocs_scan): New method.
399 (Target_arm::Relocatable_size_for_reloc): Replace with...
400 (Target_arm::Classify_reloc): ...this.
401 (Target_arm::gc_process_relocs): Use Classify_reloc.
402 (Target_arm::scan_relocs): Likewise.
403 (Target_arm::relocate_section): Likewise.
404 (Target_arm::scan_relocatable_relocs): Likewise.
405 (Target_arm::relocate_relocs): Likewise.
406 * i386.cc (Target_i386::emit_relocs_scan): New method.
407 (Target_i386::Relocatable_size_for_reloc): Replace with...
408 (Target_i386::Classify_reloc): ...this.
409 (Target_i386::gc_process_relocs): Use Classify_reloc.
410 (Target_i386::scan_relocs): Likewise.
411 (Target_i386::relocate_section): Likewise.
412 (Target_i386::scan_relocatable_relocs): Likewise.
413 (Target_i386::relocate_relocs): Likewise.
414 * mips.cc (Mips_scan_relocatable_relocs): Remove sh_type template
416 (Mips_reloc_types): New class template.
417 (Mips_classify_reloc): New class template.
418 (Target_mips::Reltype): New typedef.
419 (Target_mips::Relatype): New typedef.
420 (Target_mips::emit_relocs_scan): New method.
421 (Target_mips::get_r_sym): New method.
422 (Target_mips::Relocatable_size_for_reloc): Replace with
424 (Target_mips::copy_reloc): Use Mips_classify_reloc.
425 (Target_mips::gc_process_relocs): Likewise.
426 (Target_mips::scan_relocs): Likewise.
427 (Target_mips::relocate_section): Likewise.
428 (Target_mips::scan_relocatable_relocs): Likewise.
429 (Target_mips::relocate_relocs): Likewise.
430 (mips_get_size_for_reloc): New function, factored out from
431 Relocatable_size_for_reloc::get_size_for_reloc.
432 (Target_mips::Scan::local): Use Mips_classify_reloc.
433 (Target_mips::Scan::global): Likewise.
434 (Target_mips::Relocate::relocate): Likewise.
435 * powerpc.cc (Target_powerpc::emit_relocs_scan): New method.
436 (Target_powerpc::Relocatable_size_for_reloc): Remove.
437 (Target_powerpc::gc_process_relocs): Use Default_classify_reloc.
438 (Target_powerpc::scan_relocs): Likewise.
439 (Target_powerpc::relocate_section): Likewise.
440 (Powerpc_scan_relocatable_reloc): Convert to class template.
441 (Powerpc_scan_relocatable_reloc::Reltype): New typedef.
442 (Powerpc_scan_relocatable_reloc::reloc_size): New const.
443 (Powerpc_scan_relocatable_reloc::sh_type): New const.
444 (Powerpc_scan_relocatable_reloc::get_r_sym): New method.
445 (Powerpc_scan_relocatable_reloc::get_r_type): New method.
446 (Target_powerpc::scan_relocatable_relocs): Use
447 Powerpc_scan_relocatable_reloc.
448 (Target_powerpc::relocate_relocs): Use Default_classify_reloc.
449 * s390.cc (Target_s390::emit_relocs_scan): New method.
450 (Target_s390::Relocatable_size_for_reloc): Remove.
451 (Target_s390::gc_process_relocs): Use Default_classify_reloc.
452 (Target_s390::scan_relocs): Likewise.
453 (Target_s390::relocate_section): Likewise.
454 (Target_s390::Relocatable_size_for_reloc::get_size_for_reloc):
456 (Target_s390::scan_relocatable_relocs): Use Default_classify_reloc.
457 (Target_s390::relocate_relocs): Use Default_classify_reloc.
458 * sparc.cc (Target_sparc::emit_relocs_scan): New method.
459 (Target_sparc::Relocatable_size_for_reloc): Remove.
460 (Target_sparc::gc_process_relocs): Use Default_classify_reloc.
461 (Target_sparc::scan_relocs): Likewise.
462 (Target_sparc::relocate_section): Likewise.
463 (Target_sparc::Relocatable_size_for_reloc::get_size_for_reloc):
465 (Target_sparc::scan_relocatable_relocs): Use Default_classify_reloc.
466 (Target_sparc::relocate_relocs): Use Default_classify_reloc.
467 * tilegx.cc (Target_tilegx::emit_relocs_scan): New method.
468 (Target_tilegx::Relocatable_size_for_reloc): Remove.
469 (Target_tilegx::gc_process_relocs): Use Default_classify_reloc.
470 (Target_tilegx::scan_relocs): Likewise.
471 (Target_tilegx::relocate_section): Likewise.
472 (Target_tilegx::Relocatable_size_for_reloc::get_size_for_reloc):
474 (Target_tilegx::scan_relocatable_relocs): Use Default_classify_reloc.
475 (Target_tilegx::relocate_relocs): Use Default_classify_reloc.
476 * x86_64.cc (Target_x86_64::emit_relocs_scan): New method.
477 (Target_x86_64::Relocatable_size_for_reloc): Remove.
478 (Target_x86_64::gc_process_relocs): Use Default_classify_reloc.
479 (Target_x86_64::scan_relocs): Likewise.
480 (Target_x86_64::relocate_section): Likewise.
481 (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
483 (Target_x86_64::scan_relocatable_relocs): Use Default_classify_reloc.
484 (Target_x86_64::relocate_relocs): Use Default_classify_reloc.
486 * testsuite/testfile.cc (Target_test::emit_relocs_scan): New method.
488 2016-01-01 Alan Modra <amodra@gmail.com>
490 Update year range in copyright notice of all files.
492 For older changes see ChangeLog-0815
494 Copyright (C) 2016 Free Software Foundation, Inc.
496 Copying and distribution of this file, with or without modification,
497 are permitted in any medium without royalty provided the copyright
498 notice and this notice are preserved.
504 version-control: never