1 2020-12-19 H.J. Lu <hjl.tools@gmail.com>
4 * incremental.cc (Sized_relobj_incr::do_add_symbols): Move sym
5 declaration just before use.
6 (Sized_incr_dynobj::do_add_symbols): Likewise.
7 * plugin.cc (Sized_pluginobj::do_add_symbols): Likewise.
9 2020-12-15 Cary Coutant <ccoutant@gmail.com>
11 * dwp.cc (class Dwo_file): Use new Ehdr::get_ei_osabi and
12 get_ei_abiversion methods.
13 * incremental.cc (make_sized_incremental_binary): Likewise.
14 * object.cc (Sized_relobj_file::Sized_relobj_file): Likewise.
15 (make_elf_sized_object): Likewise.
16 * object.h (class Osabi): Make the class untemplated.
18 2020-12-15 Vivek Das Mohapatra <vivek@collabora.com>
20 Implement -z unique / -z nounique options.
21 * layout.cc (Layout::finish_dynamic_section): Set DF_GNU_1_UNIQUE.
22 * options.h (class General_options): Handle -z unique, -z nounique.
24 2020-12-14 H.J. Lu <hjl.tools@gmail.com>
25 Cary Coutant <ccoutant@gmail.com>
28 * layout.cc (Layout::layout): Strip SHF_GNU_RETAIN.
29 * object.cc (Sized_relobj_file::Sized_relobj_file): Initialize osabi_.
30 (Sized_relobj_file::do_layout): Keep SHF_GNU_RETAIN sections for
32 * object.h (Osabi) New class.
33 (Sized_relobj_file): Add osabi() and osabi_.
34 * testsuite/Makefile.am (check_SCRIPTS): Add retain.sh.
35 (check_DATA): Add retain_1.out retain_2.out.
36 (MOSTLYCLEANFILES): Add retain_1 retain_2.
37 (retain_1.out): New target.
39 (retain_1.o): Likewise.
40 (retain_2.out): Likewise.
42 (retain_2.o): Likewise.
43 * testsuite/Makefile.in: Regenerate.
44 * testsuite/retain.sh: New file.
45 * testsuite/retain_1.s: Likewise.
46 * testsuite/retain_2.s: Likewise.
48 2020-12-13 Cary Coutant <ccoutant@gmail.com>
52 * testsuite/Makefile.am (incremental_copy_test): Re-enable for GCC 9+.
53 (incremental_comdat_test_1): Likewise.
54 * testsuite/Makefile.in: Regenerate.
56 2020-12-13 Cary Coutant <ccoutant@gmail.com>
59 * object.cc (Sized_relobj_file::layout_gnu_property_section): Ignore
60 Gnu properties during incremental links.
62 2020-12-13 Cary Coutant <ccoutant@gmail.com>
65 * layout.cc (Layout::init_fixed_output_section): Mask out flags that
66 should be ignored when matching sections.
68 2020-12-07 Alan Modra <amodra@gmail.com>
70 * plugin.cc (Plugin_recorder::init): Replace strncpy with memcpy.
72 2020-12-03 Alan Modra <amodra@gmail.com>
74 * testsuite/Makefile.am (pr26936a.o): Pass -mx86-used-note=yes.
75 (pr26936b.o, pr26936c.o, pr26936d.o): Likewise.
76 * testsuite/Makefile.in: Regenerate.
78 2020-11-29 H.J. Lu <hongjiu.lu@intel.com>
81 * x86_64.cc (Output_data_plt_x86_64_ibt::tlsdesc_plt_entry): Add
83 (Output_data_plt_x86_64_ibt::do_fill_tlsdesc_entry): Adjusted.
85 2020-11-29 H.J. Lu <hongjiu.lu@intel.com>
88 * x86_64.cc (Target_x86_64<size>::Scan::local): Check
89 get_r_addend() == -4 for GOTPCRELX conversion.
90 (Target_x86_64<size>::Scan::global): Likewise.
91 (Target_x86_64<size>::Relocate::relocate): Likewise.
92 * testsuite/Makefile.am (check_DATA): Add
93 x86_64_mov_to_lea15.stdout and x86_64_mov_to_lea16.stdout.
94 (MOSTLYCLEANFILES): Add x86_64_mov_to_lea15 and
96 (x86_64_mov_to_lea9.o): New target.
97 (x86_64_mov_to_lea10.o): Likewise.
98 (x86_64_mov_to_lea15): Likewise.
99 (x86_64_mov_to_lea16): Likewise.
100 (x86_64_mov_to_lea15.stdout): Likewise.
101 (x86_64_mov_to_lea16.stdout): Likewise.
102 * testsuite/Makefile.in: Regenerated.
103 * testsuite/x86_64_mov_to_lea.sh: Updated.
104 * testsuite/x86_64_mov_to_lea5.s: New file.
106 2020-11-29 H.J. Lu <hongjiu.lu@intel.com>
109 * object.cc (Sized_relobj_file::map_to_kept_section): Get the
110 section index for linkonce section. Also check the single
112 * testsuite/Makefile.am (check_SCRIPTS): Add pr26936.sh.
113 (check_DATA): Add pr26936a.stdout and pr26936b.stdout.
114 (MOSTLYCLEANFILES): Add pr26936a and pr26936b.
115 (pr26936a.stdout): New target.
116 (pr26936a): Likewise.
117 (pr26936b.stdout): Likewise.
118 (pr26936b): Likewise.
119 (pr26936a.o): Likewise.
120 (pr26936b.o): Likewise.
121 (pr26936c.o): Likewise.
122 (pr26936d.o): Likewise.
123 * testsuite/Makefile.in: Regenerated.
124 * testsuite/pr26936.sh: New file.
125 * testsuite/pr26936a.s: Likewise.
126 * testsuite/pr26936b.s: Likewise.
127 * testsuite/pr26936c.s: Likewise.
128 * testsuite/pr26936d.s: Likewise.
130 2020-11-17 Alan Modra <amodra@gmail.com>
132 * powerpc.cc (Target_powerpc::no_tprel_opt_): Rename from tprel_opt_.
134 (Target_powerpc::tprel_opt): Test parameters->options().tls_optimize().
135 (Target_powerpc::set_tprel_opt): Delete.
136 (Target_powerpc::set_no_tprel_opt): New function. Update all uses
139 2020-11-16 Michael Hudson-Doyle <michael.hudson@canonical.com>
142 * powerpc.cc (Relocate::relocate): Do not include local entry
143 offset of target function when computing the address of a stub.
145 2020-11-08 H.J. Lu <hongjiu.lu@intel.com>
148 * plugin.cc (Plugin_manager::claim_file): Don't share Plugin_list
150 (Plugin_manager::all_symbols_read): Likewise.
151 (Plugin_manager::cleanup): Likewise.
153 2020-11-03 Alan Modra <amodra@gmail.com>
155 * powerpc.cc (Target_powerpc::tocsave_loc): Return a pointer.
156 (Target_powerpc::Relocate::relocate): Avoid -Wdangling-gsl error.
158 2020-11-03 Nick Gasson <nick.gasson@arm.com>
161 * fileread.cc (File_read::open): Ensure file_counts_lock is
163 * testsuite/Makefile.am (check_PROGRAMS): Add a test that passes
165 * testsuite/Makefile.in: Regenerate.
167 2020-10-30 H.J. Lu <hongjiu.lu@intel.com>
169 * testsuite/gnu_property_test.sh: Updated.
171 2020-10-22 H.J. Lu <hongjiu.lu@intel.com>
173 * Makefile.am (bootstrap-test): Skip for LTO build.
174 (bootstrap-test-r): Likewise.
176 2020-10-13 H.J. Lu <hongjiu.lu@intel.com>
179 * configure.ac: Check for GCC 9 or later and for -fcf-protection.
180 * configure: Regenerated.
181 * testsuite/Makefile.am (check_PROGRAMS): Skip incremental_test_2,
182 incremental_test_3, incremental_test_4, incremental_test_5,
183 incremental_copy_test, incremental_common_test_1 and
184 incremental_comdat_test_1 for -fcf-protection. Also Skip
185 incremental_copy_test and incremental_comdat_test_1 for GCC 9 or
187 * testsuite/Makefile.in: Regenerated.
189 2020-10-13 H.J. Lu <hongjiu.lu@intel.com>
192 * testsuite/Makefile.am (justsyms_lib): Pass
193 -T $(srcdir)/justsyms_lib.t to gold.
194 * testsuite/Makefile.in: Regenerated.
195 * testsuite/justsyms_lib.t: New file.
196 * testsuite/script_test_10.t: Discard .note.gnu.property section.
198 2020-10-13 H.J. Lu <hongjiu.lu@intel.com>
200 * x86_64.cc (Target_x86_64::Target_x86_64): Initialize
201 feature_2_used_, feature_2_needed_ and object_feature_2_used_.
202 (Target_x86_64::feature_2_used_): New data member.
203 (Target_x86_64::feature_2_needed_): Likewise.
204 (Target_x86_64::object_isa_1_used_): Likewise.
205 (Target_x86_64::record_gnu_property): Support
206 GNU_PROPERTY_X86_COMPAT_ISA_1_USED,
207 GNU_PROPERTY_X86_COMPAT_ISA_1_NEEDED,
208 GNU_PROPERTY_X86_COMPAT_2_ISA_1_USED,
209 GNU_PROPERTY_X86_COMPAT_2_ISA_1_NEEDED,
210 GNU_PROPERTY_X86_FEATURE_2_USED and
211 GNU_PROPERTY_X86_FEATURE_2_NEEDED.
212 (Target_x86_64::merge_gnu_properties): Merge FEATURE_2_USED bits.
213 Initialize object_feature_2_used_.
214 (Target_x86_64::do_finalize_gnu_properties): Support
215 GNU_PROPERTY_X86_FEATURE_2_USED and
216 GNU_PROPERTY_X86_FEATURE_2_NEEDED.
217 * testsuite/gnu_property_a.S (GNU_PROPERTY_X86_ISA_1_USED): Set
219 (GNU_PROPERTY_X86_ISA_1_NEEDED): Set to 0xc0008002.
220 * testsuite/gnu_property_b.S (GNU_PROPERTY_X86_ISA_1_USED): Set
222 (GNU_PROPERTY_X86_ISA_1_NEEDED): Set to 0xc0008002.
223 * testsuite/gnu_property_c.S (GNU_PROPERTY_X86_ISA_1_USED): Set
225 (GNU_PROPERTY_X86_ISA_1_NEEDED): Set to 0xc0008002.
226 * testsuite/gnu_property_test.sh: Updated.
228 2020-10-13 H.J. Lu <hongjiu.lu@intel.com>
232 * layout.cc (Layout::attach_allocated_section_to_segment): Place
233 a note section in a PT_NOTE segment with the same alignment. Set
234 the alignment of the PT_NOTE segment from the alignment of the
236 (Layout::create_note): Align the NT_GNU_PROPERTY_TYPE_0 note to 8
237 bytes for 64-bit ELF.
238 (Layout::segment_precedes): Place segments with larger alignments
240 * output.cc (Output_segment::Output_segment): Initialize align_.
241 * output.h (Output_segment): Add align, set_align and align_.
242 * testsuite/Makefile.am (gnu_property_test.stdout): Pass -lhSWn
244 (gnu_property_test): Pass --build-id to ld.
245 * testsuite/Makefile.in: Regenerated.
246 * testsuite/gnu_property_test.sh (check_alignment): New.
247 Use check_alignment to check the NT_GNU_PROPERTY_TYPE_0 note
248 alignment. Verify that there are 2 PT_NOTE segments.
250 2020-10-13 H.J. Lu <hongjiu.lu@intel.com>
253 * x86_64.cc (Scan::local_reloc_may_be_function_pointer): Remove
254 check for shared library.
255 (Scan::global_reloc_may_be_function_pointer): Remove check for
256 shared library and symbol visibility.
257 * testsuite/icf_safe_so_test.cc (bar_static): New function.
258 (main): Take function address of bar_static and use it.
259 * testsuite/icf_safe_so_test.sh (arch_specific_safe_fold): Also
260 check fold on x86-64. Check bar_static isn't folded.
262 2020-10-13 H.J. Lu <hongjiu.lu@intel.com>
264 * icf.cc (Icf::find_identical_sections): Skip zero-sized sections.
266 2020-10-09 Alan Modra <amodra@gmail.com>
268 * powerpc.cc (Powerpc_relobj::do_relocate_sections): Don't do
269 local entry offset optimisation for lplt_section.
270 (Target_powerpc::Branch_info::make_stub): Don't add local
271 entry offset to long branch dest passed to
272 add_long_branch_entry. Do pass st_other bits.
273 (Stub_table::Branch_stub_ent): Add "other_" field.
274 (Stub_table::add_long_branch_entry): Add "other" param, and
276 (Stub_table::branch_stub_size): Adjust long branch offset.
277 (Stub_table::do_write): Likewise.
278 (Target_powerpc::Relocate::relocate): Likewise.
280 2020-10-09 Alan Modra <amodra@gmail.com>
282 * powerpc.cc (is_got_reloc): New function.
283 (Target_powerpc::Relocate::relocate): Use it here, exclude GOT
284 relocs when looking for stubs.
286 2020-10-08 H.J. Lu <hongjiu.lu@intel.com>
288 * testsuite/split_i386.sh: Updated for --split-stack-adjust-size
290 * testsuite/split_x86_64.sh: Likewise.
292 2020-10-08 Alan Modra <amodra@gmail.com>
294 * options.h (split_stack_adjust_size): Default to 0x100000.
296 2020-09-26 Alan Modra <amodra@gmail.com>
298 * powerpc.cc (Target_powerpc): Rename power10_stubs_ to
300 (Target_powerpc::set_power10_relocs): New accessor.
301 (Target_powerpc::set_power10_stubs): Delete.
302 (Target_powerpc::power10_stubs): Adjust.
303 (Target_powerpc::has_localentry0): New accessor.
304 (ld_0_11): New constant.
305 (glink_eh_frame_fde_64v1, glink_eh_frame_fde_64v2): Adjust.
306 (glink_eh_frame_fde_64v2_localentry0): New.
307 (Output_data_glink::pltresolve_size): Update.
308 (Output_data_glink::add_eh_frame): Use localentry0 version eh_frame.
309 (Output_data_glink::do_write): Move r2 save to start of ELFv2 stub
310 and only emit for has_localentry0. Don't use r2 in the stub.
311 (Target_powerpc::Scan::local, global): Adjust for
312 set_power10_relocs renaming.
313 (Target_powerpc::scan_relocs): Warn and reset plt_localentry0_.
315 2020-09-24 Alan Modra <amodra@gmail.com>
317 * powerpc.cc (Target_powerpc::Relocate::relocate): Don't skip
318 first insn of __tls_get_addr_opt stub.
320 2020-08-24 Alan Modra <amodra@gmail.com>
322 * powerpc.cc (Target_powerpc): Add tprel_opt_ and accessors.
323 (Target_powerpc::Scan::local): Sanity check tprel high relocs.
324 (Target_powerpc::Scan::global): Likewise.
325 (Target_powerpc::Relocate::relocate): Control tprel optimisation
326 with tprel_opt_ and enable for 32-bit.
328 2020-08-12 Nick Clifton <nickc@redhat.com>
330 * po/sr.po: Updated Serbian translation.
332 2020-07-27 Alan Modra <amodra@gmail.com>
334 * options.h (DEFINE_enum): Add optional_arg__ param, adjust
336 (General_options): Add --power10-stubs and --no-power10-stubs.
337 * options.cc (General_options::parse_no_power10_stubs): New.
338 (General_options::finalize): Handle --power10-stubs.
339 * powerpc.cc (set_power10_stubs): Don't set when --power10-stubs=no.
340 (power10_stubs_auto): New.
341 (struct Plt_stub_ent): Add toc_ and tocoff_. Don't use a bitfield
343 (struct Branch_stub_ent): Add toc_and tocoff_. Use bitfields for
344 iter_, notoc_ and save_res_.
345 (add_plt_call_entry): Set toc_. Adjust resizing conditions for
346 --power10-stubs=auto.
347 (add_long_branch_entry): Set toc_.
348 (add_eh_frame, define_stub_syms): No longer use const_iterators
349 for plt and long branch stub iteration.
350 (build_tls_opt_head, build_tls_opt_tail): Change parameters and
351 return value. Move tests for __tls_get_addr to callers.
352 (plt_call_size): Handle --power10-stubs=auto.
353 (branch_stub_size): Likewise.
354 (Stub_table::do_write): Likewise.
355 (relocate): Likewise.
357 2020-07-19 H.J. Lu <hongjiu.lu@intel.com>
359 * testsuite/bnd_ifunc_1.sh: Updated.
360 * testsuite/bnd_plt_1.sh: Likewise.
361 * testsuite/split_x32.sh: Likewise.
362 * testsuite/split_x86_64.sh: Likewise.
363 * testsuite/x86_64_indirect_call_to_direct.sh: Likewise.
365 2020-07-08 Nick Clifton <nickc@redhat.com>
367 * testsuite/script_test_7.sh: Adjust expected address of the .bss
369 * testsuite/script_test_9.sh: Do not expect the .init section to
370 immediately follow the .text section in the mapping of sections to
373 2020-07-07 Nick Clifton <nickc@redhat.com>
375 * target-reloc.h: (Default_comdat_behaviour:get): Ignore discarded
376 relocs that refer to the .gnu.build.attributes section.
378 2020-07-06 Nick Clifton <nickc@redhat.com>
380 * po/fr.po: Updated French translation.
381 * po/uk.po: Updated Ukranian translation.
383 2020-07-04 Nick Clifton <nickc@redhat.com>
385 Binutils 2.35 branch created.
387 2020-07-03 Alan Modra <amodra@gmail.com>
390 * testsuite/Makefile.am (file_in_many_sections.stdout): Add -W
392 * testsuite/Makefile.in: Regenerate.
394 2020-06-26 Nick Alcock <nick.alcock@oracle.com>
396 * configure.ac: Check for bswap_16, bswap_32, and bswap_64 decls.
397 * configure: Regenerated.
398 * config.h.in: Likewise.
400 2020-06-24 Nick Clifton <nickc@redhat.com>
402 * target-reloc.h (issue_discarded_error): Initialise the
405 2020-06-23 Roland McGrath <mcgrathr@google.com>
408 * options.h (class General_options): Add --dependency-file option.
409 * fileread.cc (File_read::files_read): New static variable.
410 (File_read::open): Add the file to the files_read list.
411 (File_read::record_file_read): New static member function.
412 (File_read::write_dependency_file): New static member function.
413 * fileread.h (class File_read): Declare them.
414 * layout.cc (Layout::read_layout_from_file): Call record_file_read.
415 (Close_task_runner::run): Call write_dependency_file if
416 --dependency-file was passed.
418 2020-06-18 Fangrui Song <i@maskray.me>
421 * layout.cc (Layout::finish_dynamic_section): Set DF_1_PIE.
423 2020-06-16 Alan Modra <amodra@gmail.com>
425 * testsuite/discard_locals_test.c: Replace uses of asm with __asm__.
426 * testsuite/discard_locals_relocatable_test.c: Likewise.
428 2020-06-16 Alan Modra <amodra@gmail.com>
430 * testsuite/Makefile.am (export_dynamic_plugin.o): Use CXXCOMPILE.
431 (plugin_test_wrap_symbols_1.o): Likewise.
432 (plugin_test_wrap_symbols_2.o): Likewise.
433 * testsuite/Makefile.in: Regenerate.
435 2020-06-15 Roland McGrath <mcgrathr@google.com>
437 Implement -z start-stop-visibility=... option.
438 * options.h (class General_options): Handle -z start-stop-visibility=.
439 (General_options::start_stop_visibility_enum): New public method.
440 (General_options::set_start_stop_visibility_enum): New private method.
441 (General_options::start_stop_visibility_enum_): New private member.
442 * options.cc (General_options::General_options): Add initializer.
443 (General_options::finalize): Set this->start_stop_visibility_enum_
445 * layout.cc (Layout::define_section_symbols): Use option setting.
447 2020-06-06 Alan Modra <amodra@gmail.com>
449 * powerpc.cc: Update throughout for reloc renaming.
451 2020-05-22 Alan Modra <amodra@gmail.com>
454 * powerpc.cc (merge_object_attributes): Replace name param with
455 obj param. Update callers. Don't init FP attributes from shared
456 libraries, and do not emit an error if they don't match.
458 2020-05-15 Nikita Ermakov <coffe92@gmail.com>
460 * powerpc.cc (do_gc_mark_symbol): Don't segfault on plugin symbols.
462 2020-05-14 Nick Clifton <nickc@redhat.com>
464 * po/sr.po: New Serbian translation.
466 2020-05-11 Alan Modra <amodra@gmail.com>
468 * powerpc.cc: Rename powerxx to power10 throughout.
470 2020-05-02 H.J. Lu <hongjiu.lu@intel.com>
473 * testsuite/Makefile.am (COMMON_TEST_C_CFLAGS): New.
474 (common_test_1.o): New rule.
475 (common_test_2.o): Likewise.
476 (common_test_3.o): Likewise.
477 (plugin_common_test_1.o): Likewise.
478 (plugin_common_test_2.o): Likewise.
479 (common_test_1_v1.o): Likewise.
480 (common_test_1_v2.o): Likewise.
481 (common_test_2_pic.o): Compile with $(COMMON_TEST_C_CFLAGS).
482 (common_test_3_pic.o): Likewise.
483 * testsuite/Makefile.in: Regenerated.
485 2020-05-01 H.J. Lu <hongjiu.lu@intel.com>
488 * x86_64.cc (Target_x86_64<size>::Relocate::tls_desc_gd_to_ie):
489 For x32, relax "rex leal foo@tlsdesc(%rip), %reg" to
490 "rex movl foo@gottpoff(%rip), %eax" and relax ""call *(%eax)"
492 (Target_x86_64<size>::Relocate::tls_desc_gd_to_le): For x32,
493 relax "rex leal foo@tlsdesc(%rip), %reg" to
494 "rex movl foo@tpoff, %eax" and relax "call *foo@tlscall(%eax)"
496 * testsuite/Makefile.am (tls_test_gnu2.o): Depend on
498 (tls_test_file2_gnu2.o): Likewise.
499 (tls_test_c_gnu2.o): Likewise.
500 * testsuite/Makefile.in: Regenerated.
502 2020-05-01 H.J. Lu <hongjiu.lu@intel.com>
505 * x86_64.cc (Target_x86_64<size>::Relocate::tls_desc_gd_to_ie):
506 Properly check r8 - r15 in "lea foo@TLSDESC(%rip), %reg".
507 (Target_x86_64<size>::Relocate::tls_desc_gd_to_le): Properly
508 relax r8 - r15 in "lea foo@TLSDESC(%rip), %reg".
509 * testsuite/Makefile.am (check_SCRIPTS): Add x86_64_gd_to_le.sh.
510 (check_DATA): Add x86_64_gd_to_le.stdout.
511 (MOSTLYCLEANFILES): Add x86_64_gd_to_le.
512 (x86_64_gd_to_le.o): New target.
513 (x86_64_gd_to_le): Likewise.
514 (x86_64_gd_to_le.stdout): Likewise.
515 * testsuite/Makefile.in: Regenerated.
516 * testsuite/x86_64_gd_to_le.s: New file.
517 * testsuite/x86_64_gd_to_le.sh: Likewise.
519 2020-05-01 H.J. Lu <hongjiu.lu@intel.com>
521 * testsuite/odr_violation2.cc (Ordering::operator()): Make
522 expression even more complex.
524 2020-05-01 H.J. Lu <hongjiu.lu@intel.com>
526 * testsuite/ver_test_pr16504.sh: Updated.
528 2020-05-01 H.J. Lu <hongjiu.lu@intel.com>
531 * x86_64.cc (Output_data_plt_x86_64_bnd::do_write): Increment
532 plt_offset after setting the reserved TLSDESC PLT entry.
533 (Output_data_plt_x86_64_ibt<size>::do_write): Likewise.
535 2020-05-01 H.J. Lu <hongjiu.lu@intel.com>
538 * x86_64.cc (Output_data_plt_x86_64_bnd::do_address_for_local):
539 Handle local IFUNC symbol.
540 (Output_data_plt_x86_64_ibt::do_address_for_local): Likewise.
542 2020-03-19 Fangrui Song <maskray@google.com>
544 * options.h (General_options): Add --no-rosegment option.
546 2020-02-24 Nick Clifton <nickc@redhat.com>
548 * po/fr.po: Update French translation.
550 2020-01-20 Nick Clifton <nickc@redhat.com>
552 * po/uk.po: Updated Ukranian translation.
554 2020-01-18 Nick Clifton <nickc@redhat.com>
556 * configure: Regenerate.
557 * po/gold.pot: Regenerate.
559 2020-01-18 Nick Clifton <nickc@redhat.com>
561 Binutils 2.34 branch created.
563 2020-01-01 Alan Modra <amodra@gmail.com>
565 Update year range in copyright notice of all files.
567 For older changes see ChangeLog-2019
569 Copyright (C) 2020 Free Software Foundation, Inc.
571 Copying and distribution of this file, with or without modification,
572 are permitted in any medium without royalty provided the copyright
573 notice and this notice are preserved.
579 version-control: never