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[binutils-gdb.git] / gold / ChangeLog-2017
blobb2a47710b5ab38673f67ee3b154d8c9517343705
1 2017-12-15  Alan Modra  <amodra@gmail.com>
3         PR 22602
4         * powerpc.cc (Target_powerpc::Branch_info::mark_pltcall): Resolve
5         forwards before replacing __tls_get_addr.
6         (Target_powerpc::Branch_info::make_stub): Likewise.
8 2017-12-11  Stephen Crane  <sjc@immunant.com>
10         * plugin.cc (Plugin::load): Include hooks for register_new_input
11         in transfer vector.
12         (Plugin::new_input): New function.
13         (register_new_input): New function.
14         (Plugin_manager::claim_file): Call Plugin::new_input if in
15         replacement phase.
16         * plugin.h (Plugin::set_new_input_handler): New function.
17         * testsuite/plugin_new_section_layout.c: New plugin to test
18         new_input plugin API.
19         * testsuite/plugin_final_layout.sh: Add new input test.
20         * testsuite/Makefile.am (plugin_layout_new_file): New test case.
21         * testsuite/Makefile.in: Regenerate.
23 2017-12-02  Vladimir Kondratyev  <vladimir@kondratyev.su>
24             Cary Coutant  <ccoutant@gmail.com>
26         PR gold/22540
27         * output.cc (gold_fallocate): Trivial return for len == 0.
28         Add fallback options when posix_fallocate and fallocate return
29         not-supported errors.
31 2017-12-01  Cary Coutant  <ccoutant@gmail.com>
33         PR gold/21090
34         * incremental.cc (Sized_relobj_incr::do_relocate): Fix comment.
35         * options.cc (General_options::finalize): Disallow -pie with
36         incremental linking.
37         * x86_64.cc (Target_x86_64::Scan::local): Don't do mov-to-lea
38         or callq-to-direct optimizations for incremental links.
39         (Target_x86_64::Scan::global): Likewise.
40         (Target_x86_64::Relocate::relocate): Likewise.
41         * testsuite/Makefile.am (incremental_test): Force -no-pie.
42         (incremental_test_2): Likewise.
43         (incremental_test_3): Likewise.
44         (incremental_test_4): Likewise.
45         (incremental_test_5): Likewise.
46         (incremental_test_6): Likewise.
47         (incremental_copy_test): Likewise.
48         (incremental_common_test_1): Likewise.
49         (incremental_comdat_test_1):  Likewise.
50         * testsuite/Makefile.in: Regenerate.
52 2017-12-01  Cary Coutant  <ccoutant@gmail.com>
54         PR gold/21841
55         * testsuite/debug_msg.sh: Adjust expected line numbers.
56         * testsuite/odr_violation2.cc (DummyFunction): New function.
58 2017-12-01  Cary Coutant  <ccoutant@gmail.com>
60         PR gold/22309
61         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): Compile with
62         no EH information.
63         (two_file_test_1_ndebug.o): Likewise.
64         * testsuite/Makefile.in: Regenerate.
65         * testsuite/two_file_test_1.cc: Touch to force recompilation with new
66         flags.
67         * testsuite/two_file_test_1_v1.cc: Likewise.
69 2017-12-01  Cary Coutant  <ccoutant@gmail.com>
71         PR gold/22042
72         * options.h (-fuse-ld): Use NULL instead of empty string.
74 2017-12-01  Benjamin Peterson  <bp@benjamin.pe>
76         PR gold/22406
77         * gold.cc (queue_initial_tasks) Check for number of real input files.
78         * options.cc (Command_line::process) Check for unterminated --start-lib
79         options.
80         * testsuite/Makefile.am: Add new test script.
81         * testsuite/Makefile.in: Regenerate.
82         * testsuite/check_empty_command_lines.sh: New test script.
84 2017-11-17  Stephen Crane  <sjc@immunant.com>
86         PR gold/22448
87         * symtab.cc (Symbol_table::add_from_object): Only rescan for
88         undefined symbols in regular, not dynamic, objects.
90 2017-11-30  Peter Smith  <peter.smith@linaro.org>
92         PR gold/20765
93         * aarch64.cc (Aarch64_relobj::update_erratum_address): New method.
94         (AArch64_relobj::scan_errata): Update addresses in stub table after
95         relaxation pass.
97 2017-11-30  Peter Smith  <peter.smith@linaro.org>
98             Cary Coutant  <ccoutant@gmail.com>
100         PR gold/20765
101         * aarch64.cc (Erratum_stub::invalidate_erratum_stub): Use erratum_insn_
102         instead of relobj_ to invalidate the stub.
103         (Erratum_stub::is_invalidated_erratum_stub): Likewise.
105 2017-11-30  Peter Smith  <peter.smith@linaro.org>
107         PR gold/22233
108         * aarch64.cc (AArch64_relobj::fix_errata_and_relocate_erratum_stubs):
109         Fix calculation of stub address.
111 2017-11-29  Stefan Stroe  <stroestefan@gmail.com>
113         * po/Make-in (datadir): Define as @datadir@.
114         (localedir): Define as @localedir@.
115         (gnulocaledir, gettextsrcdir): Use @datarootdir@.
117 2017-11-28  Cary Coutant  <ccoutant@gmail.com>
119         * resolve.cc (Symbol_table::resolve): Allow multiply-defined absolute
120         symbols when they have the same value.
122 2017-11-28  Cary Coutant  <ccoutant@gmail.com>
124         * object.h (class Sized_relobj_file): Remove discarded_eh_frame_shndx_.
125         * object.cc (Sized_relobj_file::Sized_relobj_file): Likewise.
126         (Sized_relobj_file::layout_eh_frame_section): Likewise.
127         (Sized_relobj_file::do_count_local_symbols): Check for optimized
128         .eh_frame section by other means.
129         (Sized_relobj_file::compute_final_local_value_internal): Likewise.
131 2017-11-28  H.J. Lu  <hongjiu.lu@intel.com>
133         * testsuite/pr22266_a.c: Add a newline at end of file.
135 2017-11-27  Cary Coutant  <ccoutant@gmail.com>
137         PR gold/19291
138         PR gold/22266
139         * object.cc (Sized_relobj_file::compute_final_local_value_internal):
140         Revert changes from 2017-11-08 patch.  Adjust symbol value in
141         relocatable links for non-section symbols.
142         (Sized_relobj_file::compute_final_local_value): Revert changes from
143         2017-11-08 patch.
144         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
145         (Sized_relobj_file::write_local_symbols): Revert changes from
146         2015-11-25 patch.
147         * object.h (Sized_relobj_file::compute_final_local_value_internal):
148         Revert changes from 2017-11-08 patch.
149         * powerpc.cc (Target_powerpc::relocate_relocs): Adjust addend for
150         relocatable links.
151         * target-reloc.h (relocate_relocs): Adjust addend for relocatable links.
152         * testsuite/pr22266_a.c (hello): New function.
153         * testsuite/pr22266_main.c (main): Add test for merge sections.
154         * testsuite/pr22266_script.t: Add rule for .rodata.
156 2017-11-19  Ian Lance Taylor  <iant@google.com>
157             Cary Coutant  <ccoutant@gmail.com>
159         * dwarf_reader.h (class Dwarf_info_reader): Add ref_addr_size
160         method.
161         * dwarf_reader.cc (Dwarf_die::read_attributes): Use ref_addr_size
162         for DW_FORM_ref_addr_size.
163         (Dwarf_die::skip_attributes): Likewise.
165 2017-11-08  H.J. Lu  <hongjiu.lu@intel.com>
167         PR gold/22291
168         * layout.cc (Layout::define_section_symbols): Use STV_PROTECTED
169         for __start and __stop symbols.
170         * symtab.cc (Symbol_table::define_special_symbol): Add an
171         argument, visibility.  Ignore definition and reference from
172         a dynamic object, depending on visibility.
173         (Symbol_table::do_define_in_output_data): Pass visibility to
174         define_special_symbol.
175         (Symbol_table::do_define_in_output_segment): Likewise.
176         (Symbol_table::do_define_as_constant): Likewise.
177         (Symbol_table::add_undefined_symbol_from_command_line): Pass
178         STV_DEFAULT to define_special_symbol.
179         * symtab.h (Symbol_table::define_special_symbol): Add an
180         argument, visibility.
182 2017-11-08  James Clarke  <jrtc27@jrtc27.com>
184         PR gold/22266
185         * object.cc (Sized_relobj_file::compute_final_local_value_internal):
186         Drop relocatable parameter and stop adjusting output value based on
187         it.
188         (Sized_relobj_file::compute_final_local_value): Stop passing
189         relocatable to compute_final_local_value_internal.
190         (Sized_relobj_file::do_finalize_local_symbols): Ditto.
191         * object.h (Sized_relobj_file::compute_final_local_value_internal):
192         Drop relocatable parameter.
194 2017-11-08  Kyle Butt  <iteratee@google.com>
196         * object.cc (do_find_special_sections): Fix a thinko with memmem return
197         values and check for != NULL rather than == 0.
199 2017-11-07  Alan Modra  <amodra@gmail.com>
201         * system.h (textdomain, bindtextdomain): Use safer "do nothing".
202         (ngettext, dngettext, dcngettext): Define when !ENABLE_NLS.
204 2017-10-25  Alan Modra  <amodra@gmail.com>
206         * symtab.cc (Symbol_table::add_from_relobj): Match "__gnu_lto_slim"
207         optionally prefixed with "_".
209 2017-10-20  Sriraman Tallam  <tmsriram@google.com>
211         * options.h (-z,text_unlikely_segment): New option.
212         * layout.cc (Layout::layout): Create new output section
213         for .text.unlikely sections with the new option.
214         (Layout::segment_precedes): Check for the new option
215         when segment flags match.
216         * testsuite/text_unlikely_segment.cc: New test source.
217         * testsuite/text_unlikely_segment.sh: New test script.
218         * testsuite/Makefile.am (text_unlikely_segment): New test.
219         * testsuite/Makefile.in: Regenerate.
221 2017-10-19  Umesh Kalappa  <ukalappa@cisco.com>
223         * arm.cc (Stub::do_fixed_endian_write):Far call stubs support for arm
224         in the be8 mode.
225         * testsuite/Makefile.am: New test cases.
226         * testsuite/Makefile.in: Regenerate.
227         * testsuite/arm_farcall_arm_arm_be8.sh: New script for arm to arm far
228         call stubs.
229         * testsuite/arm_farcall_thumb_thumb_be8.sh: New script for thumb to
230         thumb far call stubs.
232 2017-10-18  Kyle Butt  <iteratee@google.com>
233             Alan Modra  <amodra@gmail.com>
235         * powerpc.cc (Target_powerpc::Scan::local): Correct dst_off
236         calculation for TOC16 relocs.
237         (Target_powerpc::Scan::global): Likewise.
239 2017-09-26  Cary Coutant  <ccoutant@gmail.com>
241         PR gold/22213
242         * sparc.cc (Target_sparc): Fix incorrect register mask.
244 2017-09-22  Jim Wilson  <jim.wilson@linaro.org>
246         * aarch64.cc (Target_aarch64::aarch64_info): Set
247         is_default_stack_executable to false.
249 2017-09-22  Alan Modra  <amodra@gmail.com>
251         * resolve.cc (clone): Fix got_offset_list test.
253 2017-09-22  Alan Modra  <amodra@gmail.com>
255         * powerpc.cc (Target_powerpc<64,*>::powerpc_info): Set
256         is_default_stack_executable false.
258 2017-09-20  Teresa Johnson  <tejohnson@google.com>
260         * plugin.cc (is_visible_from_outside): Check for export dynamic symbol
261         option and list.
262         * testsuite/Makefile.am (plugin_test_12): New test.
263         * testsuite/Makefile.in: Regenerate.
264         * testsuite/export_dynamic_plugin.cc: New test source.
265         * testsuite/plugin_test_12.sh: New test script.
267 2017-09-20  Alan Modra  <amodra@gmail.com>
269         * powerpc.cc (Target_powerpc::Branch_info::make_stub): Put
270         stubs for ppc32 non-branch relocs in first stub table.
271         (Target_powerpc::Relocate::relocate): Resolve similarly.
273 2017-09-19  Alan Modra  <amodra@gmail.com>
275         * options.h (stub-group-multi): Default to true.  Add
276         --no-stub-group-multi.
278 2017-08-30  Alan Modra  <amodra@gmail.com>
280         * powerpc.cc (Target_powerpc::Relocate::relocate): Nop addis on
281         TPREL16_HA, and convert insn on TPREL16_LO and TPREL16_LO_DS
282         relocs to use r2/r13 when addis would add zero.
284 2017-08-29  Alan Modra  <amodra@gmail.com>
286         * options.h (tls_get_addr_optimize): New option.
287         * symtab.h (Symbol::clear_in_reg, clone): New functions.
288         (Sized_symbol::clone): New function.
289         (Symbol_table::clone): New function.
290         * resolve.cc (Symbol::clone, Sized_symbol::clone): New functions.
291         * powerpc.cc (Target_powerpc::has_tls_get_addr_opt_,
292         tls_get_addr_, tls_get_addr_opt_): New vars.
293         (Target_powerpc::tls_get_addr_opt, tls_get_addr,
294         is_tls_get_addr_opt, replace_tls_get_addr,
295         set_has_tls_get_addr_opt, stk_linker): New functions.
296         (Target_powerpc::Track_tls::maybe_skip_tls_get_addr_call): Add
297         target param.  Update callers.  Compare symbols rather than names.
298         (Target_powerpc::do_define_standard_symbols): Init tls_get_addr_
299         and tls_get_addr_opt_.
300         (Target_powerpc::Branch_info::mark_pltcall): Translate tls_get_addr
301         sym to tls_get_addr_opt.
302         (Target_powerpc::Branch_info::make_stub): Likewise.
303         (Stub_table::define_stub_syms): Likewise.
304         (Target_powerpc::Scan::global): Likewise.
305         (Target_powerpc::Relocate::relocate): Likewise.
306         (add_3_12_2, add_3_12_13, bctrl, beqlr, cmpdi_11_0, cmpwi_11_0,
307         ld_11_1, ld_11_3, ld_12_3, lwz_11_3, lwz_12_3, mr_0_3, mr_3_0,
308         mtlr_11, std_11_1): New constants.
309         (Stub_table::eh_frame_added_): Delete.
310         (Stub_table::tls_get_addr_opt_bctrl_, plt_fde_len_, plt_fde_): New vars.
311         (Stub_table::init_plt_fde): New functions.
312         (Stub_table::add_eh_frame, replace_eh_frame): Move definition out
313         of line.  Init and use plt_fde_.
314         (Stub_table::plt_call_size): Return size for tls_get_addr stub.
315         Extract alignment code to..
316         (Stub_table::plt_call_align): ..this new function.  Adjust all callers.
317         (Stub_table::add_plt_call_entry): Set has_tls_get_addr_opt and
318         tls_get_addr_opt_bctrl, and align after that.
319         (Stub_table::do_write): Write out tls_get_addr stub.
320         (Target_powerpc::do_finalize_sections): Emit DT_PPC_OPT
321         PPC_OPT_TLS/PPC64_OPT_TLS bit.
322         (Target_powerpc::Relocate::relocate): Don't check for or modify
323         nop following bl for tls_get_addr stub.
325 2017-08-29  Alan Modra  <amodra@gmail.com>
327         * symtab.h (Symbol): Split u_ into u1_ and u2_.  Adjust accessors
328         to suit.  Move plt_offset_ before got_offsets_.
329         * symtab.cc (Symbol::init_fields): Adjust for union change.
330         (Symbol::init_base_output_data): Likewise.
331         (Symbol::init_base_output_segment): Likewise.
332         (Symbol::allocate_base_common): Likewise.
333         (Symbol::output_section): Likewise.
334         (Symbol::set_output_section): Likewise.
335         (Symbol::set_output_segment): Likewise.
336         * resolve.cc (Symbol::override_base): Likewise.
337         (Symbol::override_base_with_special): Likewise.
339 2017-08-28  Igor Kudrin  <ikudrin@accesssoftek.com>
341         * aarch64.cc (Target_aarch64::Relocate::relocate_tls):
342         Make got_tlsdesc_offset signed and fix its calculation.
343         * testsuite/Makefile.am (aarch64_tlsdesc): New test.
344         * testsuite/Makefile.in: Regenerate.
345         * testsuite/aarch64_tlsdesc.s: New test source file.
346         * testsuite/aarch64_tlsdesc.sh: New test script.
347         * testsuite/aarch64_tlsdesc.t: New test linker script.
349 2017-08-28  Alan Modra  <amodra@gmail.com>
351         PR 21847
352         * powerpc.cc (Target_powerpc::is_elfv2_localentry0): Test
353         non_zero_localentry.
354         (Target_powerpc::resolve): New function.
355         (powerpc_info): Set has_resolve for 64-bit.
356         * target.h (Sized_target::resolve): Return bool.
357         * resolve.cc (Symbol_table::resolve): Continue with normal
358         processing when target resolve returns false.
359         * symtab.h (Symbol::non_zero_localentry, set_non_zero_localentry):
360         New accessors.
361         (Symbol::non_zero_localentry_): New flag bit.
362         * symtab.cc (Symbol::init_fields): Init non_zero_localentry_.
364 2017-08-08  Romain Geissler  <romain.geissler@gmail.com>
365             Alan Modra  <amodra@gmail.com>
367         * configure.ac: Add --enable-default-hash-style option.
368         * options.h (hash_style): Use DEFAULT_HASH_STYLE as default value.
369         * configure: Regenerate.
370         * config.in: Regenerate.
372 2017-08-03  James Clarke  <jrtc27@jrtc27.com>
374         * options.h (General_options): Set a non-NULL second help string
375         argument for relax to allow --no-relax.
377 2017-08-01  Alan Modra  <amodra@gmail.com>
379         * ehframe.cc (Fde::operator==): New.
380         (Cie::remove_fde, Eh_frame::remove_ehframe_for_plt): New.
381         * ehframe.h (Fde::operator==): Declare.
382         (Cie::remove_fde, Eh_frame::remove_ehframe_for_plt): Likewise.
383         * layout.cc (Layout::remove_eh_frame_for_plt): New.
384         * layout.h (Layout::remove_eh_frame_for_plt): Declare.
385         * powerpc.cc (Target_powerpc::do_relax): Remove old eh_frame FDEs.
386         (Stub_table::add_eh_frame): Delete eh_frame_added_ condition.
387         Don't add eh_frame for empty stub section.
388         (Stub_table::remove_eh_frame): New.
390 2017-07-31  Alan Modra  <amodra@gmail.com>
392         * options.h (no_tls_optimize): New powerpc option.
393         * powerpc.cc (Target_powerpc::abiversion, set_abiversion): Formatting.
394         (Target_powerpc::stk_toc): Formatting, fix comment.
395         (Target_powerpc::Track_tls::tls_get_addr_state): Rename from
396         tls_get_addr.
397         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
398         Return TLSOPT_NONE when !tls_optimize.
399         (Target_powerpc::add_global_pair_with_rel): Check
400         for existing reloc before reserving.
401         (Target_powerpc::add_local_tls_pair): Likewise.
403 2017-07-31  Alan Modra  <amodra@gmail.com>
405         PR 21847
406         * powerpc.cc (Target_powerpc::scan_relocs): Warn on --plt-localentry
407         without ld.so checks.
409 2017-07-29  Alan Modra  <amodra@gmail.com>
411         PR 21847
412         * powerpc.cc (Target_powerpc::scan_relocs): Default to
413         --no-plt-localentry.
415 2017-07-28  H.J. Lu  <hongjiu.lu@intel.com>
417         PR gold/21857
418         * compressed_output.cc (Output_compressed_section::set_final_data_size):
419         Call put_ch_reserved to clear the reserved field for 64-bit ELF.
421 2017-07-26  H.J. Lu  <hongjiu.lu@intel.com>
423         * mips.cc (Mips_relocate_functions): Add "llu" suffix to
424         0x800080008000.
426 2017-07-23  Alan Modra  <amodra@gmail.com>
428         * powerpc.cc (glink_eh_frame_fde_64v2): Correct advance to
429         restore of LR.
430         (glink_eh_frame_fde_64v1): Advance to restore of LR at latest
431         possible insn.
433 2017-07-18  Nick Clifton  <nickc@redhat.com>
435         PR 21775
436         * aarch64.cc: Fix spelling typos.
437         * arm.cc: Likewise.
438         * layout.cc: Likewise.
439         * powerpc.cc: Likewise.
440         * x86_64.cc: Likewise.
442 2017-07-12  Alan Modra  <amodra@gmail.com>
444         * po/es.po: Update from translationproject.org/latest/gold/.
445         * po/fi.po: Likewise.
446         * po/fr.po: Likewise.
447         * po/id.po: Likewise.
448         * po/it.po: Likewise.
449         * po/vi.po: Likewise.
450         * po/zh_CN.po: Likewise.
451         * po/ja.po: New file from translationproject.org.
452         * po/sv.po: Likewise.
453         * po/uk.po: Likewise.
455 2017-07-06  Han Shen  <shenhan@google.com>
457         PR gold/21491
458         * aarch64.cc (Erratum_stub::invalidate_erratum_stub): New method.
459         (Erratum_stub::is_invalidated_erratum_stub): New method.
460         (Stub_table::relocate_reloc_stub): Renamed from "relocate_stub".
461         (Stub_table::relocate_reloc_stubs): Renamed from "relocate_stubs".
462         (Stub_table::relocate_erratum_stub): New method.
463         (AArch64_relobj::fix_errata_and_relocate_erratum_stubs): Renamed from
464         "fix_errata".
465         (Target_aarch64::relocate_reloc_stub): Renamed from "relocate_stub".
467 2017-06-23  Alan Modra  <amodra@gmail.com>
469         * options.h (General_options): Add plt_localentry.
470         * powerpc.cc (Target_powerpc::st_other): New function.
471         (Target_powerpc::plt_localentry0_, plt_localentry0_init_,
472         has_localentry0_): New vars.
473         (Target_powerpc::plt_localentry0, set_has_localentry0,
474         is_elfv2_localentry0): New functions.
475         (Target_powerpc::Branch_info::mark_pltcall): Don't set tocsave or
476         return true for localentry:0 calls.
477         (Stub_table::Plt_stub_ent::localentry0_): New var.
478         (Stub_table::add_plt_call_entry): Set localentry0_ and has_localentry0_.
479         Don't set r2save_ for localentry:0 calls.
480         (Output_data_glink::do_write): Save r2 in __glink_PLTresolve for elfv2.
481         (Target_powerpc::scan_relocs): Default plt_localentry0_.
482         (Target_powerpc::do_finalize_sections): Set DT_PPC64_OPT.
483         (Target_powerpc::Relocate::relocate): Don't require nop following
484         calls for localentry:0 plt calls, and don't change nop.
486 2017-06-23  Alan Modra  <amodra@gmail.com>
488         * powerpc.cc (Target_powerpc::tocsave_loc_): New var.
489         (Target_powerpc::mark_pltcall, add_tocsave, tocsave_loc): New functions.
490         (Target_powerpc::Branch_info::tocsave_): New var.
491         (Target_powerpc::Branch_info::mark_pltcall): New function.
492         (Target_powerpc::Branch_info::make_stub): Pass tocsave_ to
493         add_plt_call_entry.
494         (Stub_table::Plt_stub_ent): Make public.  Add r2save_.
495         (Stub_table::add_plt_call_entry): Add bool tocsave_ param.  Set
496         r2save_.
497         (Stub_table::find_plt_call_entry): Return Plt_stub_ent*.  Adjust
498         use throughout.
499         (Stub_table::do_write): Conditionally output r2 save in plt stubs.
500         (Target_powerpc::Scan::local): Handle R_PPC64_TOCSAVE.
501         (Target_powerpc::Scan::global): Likewise.
502         (Target_powerpc::Relocate::relocate): Skip r2 save in plt call stub
503         with tocsave reloc.  Replace header tocsave nop with r2 save.
504         * symtab.h (struct Symbol_location_hash): Make public.
506 2017-06-21  Alan Modra  <amodra@gmail.com>
508         * powerpc.cc (Plt_stub_key): Rename from Plt_stub_ent.  Remove indx_.
509         (Plt_stub_key_hash): Rename from Plt_stub_ent_hash.
510         (struct Plt_stub_ent): New.
511         (Plt_stub_entries): Map from Plt_stub_key to Plt_stub_ent.  Adjust
512         use throughout file.
514 2017-06-20  Eric Christopher  <echristo@gmail.com>
516         * aarch64.cc (scan_reloc_for_stub): Use plt_address_for_global to
517         calculate the symbol value.
518         (scan_reloc_section_for_stubs): Allow stubs to be created for
519         section symbols.
520         (maybe_apply_stub): Handle creating stubs for weak symbols to
521         match the code in scan_reloc_for_stub.
523 2017-06-20  James Clarke  <jrtc27@jrtc27.com>
525         * powerpc.cc (Stub_table::define_stub_syms): Always include object's
526         uniq_ value.
528 2017-06-15  Eric Christopher  <echristo@gmail.com>
530         * aarch64.cc: Fix a few typos and grammar-os.
532 2017-06-15  Jiong Wang  <jiong.wang@arm.com>
534         * aarch64.cc (Insn_utilities::is_mrs_tpidr_el0): New method.
535         (AArch64_relobj<size, big_endian>::try_fix_erratum_843419_optimized):
536         Return ture for some TLS relaxed sequences.
538 2017-06-07  Eric Christopher  <echristo@gmail.com>
540         * aarch64.cc (maybe_apply_stub): Add debug logging for looking
541         up stubs to undefined symbols and early return rather than
542         fail to look them up.
543         (scan_reloc_for_stub): Add debug logging for no stub creation
544         for undefined symbols.
546 2017-05-23  Alan Modra  <amodra@gmail.com>
548         PR 21503
549         * options.h: Add --emit-stub-syms option.
550         * powerpc.cc (object_id): New.
551         (Powerpc_relobj): Add uniq_ and accessor.  Sort variables for
552         better packing.
553         (Powerpc_dynobj): Sort variables for better packing.
554         (Target_powerpc::define_local): New function.
555         (Target_powerpc::group_sections): Pass stub table size to
556         Stub_table constructor.
557         (Target_powerpc::do_relax): Define stub and glink symbols.
558         (Stub_table): Add uniq_ variable, and id param to constructor.
559         (Stub_table::Plt_stub_ent): Add indx_ variable.
560         (Stub_table::Branch_stub_entries): Move typedef earlier.
561         (Stub_table::branch_stub_size): Replace "to" parameter with a
562         Branch_stub_entries iterator.
563         (Stub_table::add_long_branch_entry): Adjust to suit.
564         (Stub_table::add_plt_call_entry): Set indx_.
565         (Stub_table::define_stub_syms): New function.
567 2017-05-15  Eric Christopher <echristo@gmail.com>
569         * layout.cc (Layout::segment_precedes): Add a case for testing
570         pointer equality when determining which segment precedes
571         another.
573 2017-05-13  James Clarke  <jrtc27@jrtc27.com>
575         PR gold/21444
576         * gold.cc (Target_sparc::Relocate::relocate_tls): Local
577         variables are final for position-independent executables. This
578         has to be consistent with Target_sparc::Scan::local otherwise
579         they will disagree as to whether local-exec is used.
581 2017-05-12  Igor Kudrin  <ikudrin@accesssoftek.com>
583         PR gold/21430
584         * aarch64.cc
585         (AArch64_relobj::convert_input_section_to_relaxed_section):
586         Set the section offset to -1ULL.
587         (Target_aarch64::relocate_section): Adjust the view in case
588         of a relaxed input section.
589         * testsuite/Makefile.am (pr21430): New test.
590         * testsuite/Makefile.in: Regenerate
591         * testsuite/pr21430.s: New test source file.
592         * testsuite/pr21430.sh: New test script.
594 2017-04-27  Alan Modra  <amodra@gmail.com>
596         * testsuite/plugin_section_order.c (onload): Add missing break.
598 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
600         * mips.cc (Mips_got_entry::hash()): Shift addend to reduce
601         possibility of collisions.
602         (Mips_got_entry::equals): Fix case for GOT_TLS_LDM
603         entries.
605 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
607         * mips.cc (Mips_relobj::merge_processor_specific_data_): New data
608         member.
609         (Mips_relobj::merge_processor_specific_data): New method.
610         (Mips_relobj::do_read_symbols): Set merge_processor_specific_data_
611         to false, only if the input file is a binary or if object has no
612         contents except the section name string table and an empty symbol
613         table with the undefined symbol.
614         (Target_mips::do_finalize_sections): Refactor.  Skip empty object files
615         for merging processor-specific data.
617 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
619         * mips.cc (Target_mips::Relocate::calculated_value_): New data
620         member.
621         (Target_mips::Relocate::calculate_only_): Likewise.
622         (Target_mips::Relocate::relocate): Handle multiple consecutive
623         relocations with the same offset.
625 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
627         * mips.cc (Target_mips::Relocate::relocate): Remove redundant
628         checks for relocatable link.
629         (Mips_relocate_functions::reljalr): Likewise.
631 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
633         * mips.cc (class Mips_output_section_options): New class.
634         (Target_mips::do_make_output_section): New method.
636 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
638         * mips.cc (Mips_relocate_functions::rel26): Don't print relocation
639         overflow error message.
640         (Target_mips::relocate_special_relocatable): Improve relocation
641         overflow error message.
642         (Target_mips::Relocate::relocate): Likewise.
644 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
646         * mips.cc (symbol_refs_local): Return false if a symbol
647         is from a dynamic object.
648         (Target_mips::got_section): Make _GLOBAL_OFFSET_TABLE_ STV_HIDDEN.
649         (Target_mips::set_gp): Refactor.  Make _gp STT_NOTYPE and
650         STB_LOCAL.
651         (Target_mips::do_finalize_sections): Set _gp after all the checks
652         for creating .got are done.
653         (Target_mips::Scan::global): Remove unused code.
655 2017-02-22  Alan Modra  <amodra@gmail.com>
657         * powerpc.cc (Target_powerpc::make_iplt_section): Check that
658         output_section exists before attempting add_output_section_data.
659         (Target_powerpc::make_brlt_section): Likewise.
661 2017-02-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
663         * mips.cc (Target_mips::Scan::get_reference_flags): Remove
664         gold_unreachable from default case.
666 2017-02-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
668         PR gold/21111
669         * mips.cc (Mips_relocate_functions::relhigher): New method.
670         (Mips_relocate_functions::relhighest): Likewise.
671         (mips_get_size_for_reloc): Add support for relocs: R_MIPS_HIGHER and
672         R_MIPS_HIGHEST.
673         (Target_mips::Scan::local): Add support for relocs: R_MIPS_HIGHER,
674         R_MIPS_HIGHEST, R_MICROMIPS_HIGHER and R_MICROMIPS_HIGHEST.
675         (Target_mips::Scan::global): Likewise.
676         (Target_mips::Scan::get_reference_flags): Likewise.
677         (Target_mips::Relocate::relocate): Call static methods for resolving
678         HIGHER and HIGHEST relocations.
680 2017-02-03  Rahul Chaudhry  <rahulchaudhry@google.com>
682         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
683         Return true even when building pie binaries.
684         (Target_x86_64::possible_function_pointer_reloc): Check opcode
685         for R_X86_64_PC32 relocations.
686         (Target_x86_64::local_reloc_may_be_function_pointer): Pass
687         extra arguments to local_reloc_may_be_function_pointer.
688         (Target_x86_64::global_reloc_may_be_function_pointer): Likewise.
689         * gc.h (gc_process_relocs): Add check for STT_FUNC.
690         * testsuite/Makefile.am (icf_safe_pie_test): New test case.
691         * testsuite/Makefile.in: Regenerate.
692         * testsuite/icf_safe_pie_test.sh: New shell script.
694 2017-02-03  Alan Modra  <amodra@gmail.com>
696         * powerpc.cc (Powerpc_relobj::make_toc_relative): Don't crash
697         when no .toc section exists.
699 2017-01-31  Cary Coutant  <ccoutant@gmail.com>
701         PR gold/21090
702         * x86_64.cc (Target_x86_64::can_convert_mov_to_lea): Add check
703         for predefined symbol.
704         (Target_x86_64::Relocate::relocate): Fix formatting.
706 2017-01-23  Rahul Chaudhry  <rahulchaudhry@google.com>
708         * testsuite/icf_safe_so_test.sh: Use "set -e".
709         * testsuite/icf_safe_test.sh: Likewise.
710         * testsuite/icf_test.sh: Likewise.
712 2017-01-23  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
714         * mips.cc (Mips_output_data_plt::rel_plt): Remove const from return
715         type.
716         (Target_mips::make_plt_entry): Make the sh_info field of .rel.plt
717         point to .plt.
719 2017-01-23  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
721         PR gold/21054
722         * mips.cc (Mips_got_info::record_global_got_symbol): Don't add symbol
723         to the dynamic symbol table if it is forced to local visibility.
724         (Target_mips::do_finalize_sections): Don't add __RLD_MAP symbol to the
725         dynamic symbol table if it is forced to local visibility.
727 2017-01-20  Nick Clifton  <nickc@redhat.com>
729         * aarch64.cc (Stub_template_repertoire): Change ST_E_835769_INSNS
730         from a pointer to an array.
732 2017-01-13  H.J. Lu  <hongjiu.lu@intel.com>
734         PR gold/21040
735         * powerpc.cc (Powerpc_relobj<size, big_endian>::make_toc_relative):
736         Cast 0x80008000 to uint64_t.
738 2017-01-12  Cary Coutant  <ccoutant@gmail.com>
740         * object.cc (Sized_relobj_file): Fix byte counts for calls to memmem.
742 2017-01-11  Cary Coutant  <ccoutant@gmail.com>
744         PR gold/21040
745         * x86_64.cc (Output_data_plt_x86_64_bnd::do_fill_first_plt_entry):
746         Remove unnecessary 'typename' keyword.
747         (Output_data_plt_x86_64_bnd::do_fill_plt_entry): Likewise.
748         (Output_data_plt_x86_64_bnd::fill_aplt_entry): Likewise.
749         (Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry): Likewise.
750         (Output_data_plt_x86_64_bnd::do_write): Likewise.
752 2017-01-11  Cary Coutant  <ccoutant@gmail.com>
754         PR gold/21040
755         * x86_64.cc (Output_data_plt_x86_64_bnd::do_fill_first_plt_entry):
756         Remove unnecessary 'typename' keyword.
757         (Output_data_plt_x86_64_bnd::do_fill_plt_entry): Likewise.
758         (Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry): Likewise.
759         (Output_data_plt_x86_64_bnd::fill_aplt_entry): Likewise.
760         * testsuite/copy_test_relro_1.cc (p, b, c, q): Add separate extern
761         declarations.
763 2017-01-11  Cary Coutant  <ccoutant@gmail.com>
765         PR gold/21039
766         * testsuite/script_test_13.sh: Adjust patterns to work for i386.
767         * testsuite/script_test_15a.sh: Likewise.
768         * testsuite/script_test_15b.sh: Likewise.
769         * testsuite/script_test_15c.sh: Likewise.
771 2017-01-11  Alan Modra  <amodra@gmail.com>
773         * powerpc.cc (class Powerpc_copy_relocs): New.
774         (Powerpc_copy_relocs::emit): New function.
775         (Powerpc_relobj::relatoc_, toc_, no_toc_opt_): New variables.
776         (Powerpc_relobj::toc_shndx, set_no_toc_opt, no_toc_opt): New inlines.
777         (Powerpc_relobj::do_relocate_sections): New function.
778         (Powerpc_relobj::make_toc_relative): Likewise.
779         (Powerpc_relobj::do_find_special_sections): Stash away .rela.toc
780         and .toc too.
781         (ok_lo_toc_insn): Move earlier, and handle more insns.
782         (Target_powerpc::Scan::local): If optimizing toc accesses, set
783         no_toc_opt for entries we can't edit.  Check insn validity.
784         Emit "toc optimization is not supported" warning, downgraded
785         from error.
786         (Target_powerpc::Scan::global): Likewise.
787         (Target_powerpc::Relocate::relocate): Edit TOC indirect code
788         to TOC relative.  Don't emit "toc optimization is not supported"
789         error here.
791 2017-01-10  Cary Coutant  <ccoutant@gmail.com>
793         * aarch64.cc (AArch64_relobj::do_relocate_sections): Call
794         Sized_relobj_file::relocate_section_range().
795         * arm.cc (Arm_relobj::do_relocate_sections): Likewise.
796         * object.h (Sized_relobj_file::relocate_section_range): New method.
797         * reloc.cc (Sized_relobj_file::do_relocate_sections): Move
798         implementation...
799         (Sized_relobj_file::relocate_section_range): ...to new method.
801 2017-01-10  Alan Modra  <amodra@gmail.com>
803         * testsuite/ver_test_8.sh: Accept .TOC. in lieu of
804         _GLOBAL_OFFSET_TABLE_.  Allow zero count.
805         * testsuite/copy_test_relro_1.cc (c, q): New vars.
806         * testsuite/copy_test_relro.cc: Rewrite to test read-only
807         status of variables directly.  Reference new vars in
808         read-only data.
810 2017-01-10  Alan Modra  <amodra@gmail.com>
812         * options.h: Add --secure-plt option.
813         * powerpc.cc (Target_powerpc::Scan::local): Detect and error
814         on -fPIC -mbss-plt code.
815         (Target_powerpc::Scan::global): Likewise.
817 2017-01-09  Alan Modra  <amodra@gmail.com>
819         * powerpc.cc (Target_powerpc::make_plt_section): Point sh_info of
820         ".rela.plt" at ".plt".
822 2017-01-07  Alan Modra  <amodra@gmail.com>
824         * powerpc.cc: Use shorter equivalent elfcpp typedef for
825         Reltype and reloc_size throughout.
826         (Target_powerpc::symval_for_branch): Exclude dynamic symbols.
827         (Target_powerpc::Scan::local): Use local var r_sym.
828         (Target_powerpc::Scan::global: Likewise.
829         (Target_powerpc::Relocate::relocate): Delete shadowing r_sym.
831 2017-01-02  Alan Modra  <amodra@gmail.com>
833         Update year range in copyright notice of all files.
835 For older changes see ChangeLog-2016
837 Copyright (C) 2017 Free Software Foundation, Inc.
839 Copying and distribution of this file, with or without modification,
840 are permitted in any medium without royalty provided the copyright
841 notice and this notice are preserved.
843 Local Variables:
844 mode: change-log
845 left-margin: 8
846 fill-column: 74
847 version-control: never
848 End: