1 2017-08-28 Alan Modra <amodra@gmail.com>
4 * powerpc.cc (Target_powerpc::is_elfv2_localentry0): Test
6 (Target_powerpc::resolve): New function.
7 (powerpc_info): Set has_resolve for 64-bit.
8 * target.h (Sized_target::resolve): Return bool.
9 * resolve.cc (Symbol_table::resolve): Continue with normal
10 processing when target resolve returns false.
11 * symtab.h (Symbol::non_zero_localentry, set_non_zero_localentry):
13 (Symbol::non_zero_localentry_): New flag bit.
14 * symtab.cc (Symbol::init_fields): Init non_zero_localentry_.
16 2017-08-08 Romain Geissler <romain.geissler@gmail.com>
17 Alan Modra <amodra@gmail.com>
19 * configure.ac: Add --enable-default-hash-style option.
20 * options.h (hash_style): Use DEFAULT_HASH_STYLE as default value.
21 * configure: Regenerate.
22 * config.in: Regenerate.
24 2017-08-03 James Clarke <jrtc27@jrtc27.com>
26 * options.h (General_options): Set a non-NULL second help string
27 argument for relax to allow --no-relax.
29 2017-08-01 Alan Modra <amodra@gmail.com>
31 * ehframe.cc (Fde::operator==): New.
32 (Cie::remove_fde, Eh_frame::remove_ehframe_for_plt): New.
33 * ehframe.h (Fde::operator==): Declare.
34 (Cie::remove_fde, Eh_frame::remove_ehframe_for_plt): Likewise.
35 * layout.cc (Layout::remove_eh_frame_for_plt): New.
36 * layout.h (Layout::remove_eh_frame_for_plt): Declare.
37 * powerpc.cc (Target_powerpc::do_relax): Remove old eh_frame FDEs.
38 (Stub_table::add_eh_frame): Delete eh_frame_added_ condition.
39 Don't add eh_frame for empty stub section.
40 (Stub_table::remove_eh_frame): New.
42 2017-07-31 Alan Modra <amodra@gmail.com>
44 * options.h (no_tls_optimize): New powerpc option.
45 * powerpc.cc (Target_powerpc::abiversion, set_abiversion): Formatting.
46 (Target_powerpc::stk_toc): Formatting, fix comment.
47 (Target_powerpc::Track_tls::tls_get_addr_state): Rename from
49 (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
50 Return TLSOPT_NONE when !tls_optimize.
51 (Target_powerpc::add_global_pair_with_rel): Check
52 for existing reloc before reserving.
53 (Target_powerpc::add_local_tls_pair): Likewise.
55 2017-07-31 Alan Modra <amodra@gmail.com>
58 * powerpc.cc (Target_powerpc::scan_relocs): Warn on --plt-localentry
61 2017-07-29 Alan Modra <amodra@gmail.com>
64 * powerpc.cc (Target_powerpc::scan_relocs): Default to
67 2017-07-28 H.J. Lu <hongjiu.lu@intel.com>
70 * compressed_output.cc (Output_compressed_section::set_final_data_size):
71 Call put_ch_reserved to clear the reserved field for 64-bit ELF.
73 2017-07-26 H.J. Lu <hongjiu.lu@intel.com>
75 * mips.cc (Mips_relocate_functions): Add "llu" suffix to
78 2017-07-23 Alan Modra <amodra@gmail.com>
80 * powerpc.cc (glink_eh_frame_fde_64v2): Correct advance to
82 (glink_eh_frame_fde_64v1): Advance to restore of LR at latest
85 2017-07-18 Nick Clifton <nickc@redhat.com>
88 * aarch64.cc: Fix spelling typos.
90 * layout.cc: Likewise.
91 * powerpc.cc: Likewise.
92 * x86_64.cc: Likewise.
94 2017-07-12 Alan Modra <amodra@gmail.com>
96 * po/es.po: Update from translationproject.org/latest/gold/.
100 * po/it.po: Likewise.
101 * po/vi.po: Likewise.
102 * po/zh_CN.po: Likewise.
103 * po/ja.po: New file from translationproject.org.
104 * po/sv.po: Likewise.
105 * po/uk.po: Likewise.
107 2017-07-06 Han Shen <shenhan@google.com>
110 * aarch64.cc (Erratum_stub::invalidate_erratum_stub): New method.
111 (Erratum_stub::is_invalidated_erratum_stub): New method.
112 (Stub_table::relocate_reloc_stub): Renamed from "relocate_stub".
113 (Stub_table::relocate_reloc_stubs): Renamed from "relocate_stubs".
114 (Stub_table::relocate_erratum_stub): New method.
115 (AArch64_relobj::fix_errata_and_relocate_erratum_stubs): Renamed from
117 (Target_aarch64::relocate_reloc_stub): Renamed from "relocate_stub".
119 2017-06-23 Alan Modra <amodra@gmail.com>
121 * options.h (General_options): Add plt_localentry.
122 * powerpc.cc (Target_powerpc::st_other): New function.
123 (Target_powerpc::plt_localentry0_, plt_localentry0_init_,
124 has_localentry0_): New vars.
125 (Target_powerpc::plt_localentry0, set_has_localentry0,
126 is_elfv2_localentry0): New functions.
127 (Target_powerpc::Branch_info::mark_pltcall): Don't set tocsave or
128 return true for localentry:0 calls.
129 (Stub_table::Plt_stub_ent::localentry0_): New var.
130 (Stub_table::add_plt_call_entry): Set localentry0_ and has_localentry0_.
131 Don't set r2save_ for localentry:0 calls.
132 (Output_data_glink::do_write): Save r2 in __glink_PLTresolve for elfv2.
133 (Target_powerpc::scan_relocs): Default plt_localentry0_.
134 (Target_powerpc::do_finalize_sections): Set DT_PPC64_OPT.
135 (Target_powerpc::Relocate::relocate): Don't require nop following
136 calls for localentry:0 plt calls, and don't change nop.
138 2017-06-23 Alan Modra <amodra@gmail.com>
140 * powerpc.cc (Target_powerpc::tocsave_loc_): New var.
141 (Target_powerpc::mark_pltcall, add_tocsave, tocsave_loc): New functions.
142 (Target_powerpc::Branch_info::tocsave_): New var.
143 (Target_powerpc::Branch_info::mark_pltcall): New function.
144 (Target_powerpc::Branch_info::make_stub): Pass tocsave_ to
146 (Stub_table::Plt_stub_ent): Make public. Add r2save_.
147 (Stub_table::add_plt_call_entry): Add bool tocsave_ param. Set
149 (Stub_table::find_plt_call_entry): Return Plt_stub_ent*. Adjust
151 (Stub_table::do_write): Conditionally output r2 save in plt stubs.
152 (Target_powerpc::Scan::local): Handle R_PPC64_TOCSAVE.
153 (Target_powerpc::Scan::global): Likewise.
154 (Target_powerpc::Relocate::relocate): Skip r2 save in plt call stub
155 with tocsave reloc. Replace header tocsave nop with r2 save.
156 * symtab.h (struct Symbol_location_hash): Make public.
158 2017-06-21 Alan Modra <amodra@gmail.com>
160 * powerpc.cc (Plt_stub_key): Rename from Plt_stub_ent. Remove indx_.
161 (Plt_stub_key_hash): Rename from Plt_stub_ent_hash.
162 (struct Plt_stub_ent): New.
163 (Plt_stub_entries): Map from Plt_stub_key to Plt_stub_ent. Adjust
166 2017-06-20 Eric Christopher <echristo@gmail.com>
168 * aarch64.cc (scan_reloc_for_stub): Use plt_address_for_global to
169 calculate the symbol value.
170 (scan_reloc_section_for_stubs): Allow stubs to be created for
172 (maybe_apply_stub): Handle creating stubs for weak symbols to
173 match the code in scan_reloc_for_stub.
175 2017-06-20 James Clarke <jrtc27@jrtc27.com>
177 * powerpc.cc (Stub_table::define_stub_syms): Always include object's
180 2017-06-15 Eric Christopher <echristo@gmail.com>
182 * aarch64.cc: Fix a few typos and grammar-os.
184 2017-06-15 Jiong Wang <jiong.wang@arm.com>
186 * aarch64.cc (Insn_utilities::is_mrs_tpidr_el0): New method.
187 (AArch64_relobj<size, big_endian>::try_fix_erratum_843419_optimized):
188 Return ture for some TLS relaxed sequences.
190 2017-06-07 Eric Christopher <echristo@gmail.com>
192 * aarch64.cc (maybe_apply_stub): Add debug logging for looking
193 up stubs to undefined symbols and early return rather than
194 fail to look them up.
195 (scan_reloc_for_stub): Add debug logging for no stub creation
196 for undefined symbols.
198 2017-05-23 Alan Modra <amodra@gmail.com>
201 * options.h: Add --emit-stub-syms option.
202 * powerpc.cc (object_id): New.
203 (Powerpc_relobj): Add uniq_ and accessor. Sort variables for
205 (Powerpc_dynobj): Sort variables for better packing.
206 (Target_powerpc::define_local): New function.
207 (Target_powerpc::group_sections): Pass stub table size to
208 Stub_table constructor.
209 (Target_powerpc::do_relax): Define stub and glink symbols.
210 (Stub_table): Add uniq_ variable, and id param to constructor.
211 (Stub_table::Plt_stub_ent): Add indx_ variable.
212 (Stub_table::Branch_stub_entries): Move typedef earlier.
213 (Stub_table::branch_stub_size): Replace "to" parameter with a
214 Branch_stub_entries iterator.
215 (Stub_table::add_long_branch_entry): Adjust to suit.
216 (Stub_table::add_plt_call_entry): Set indx_.
217 (Stub_table::define_stub_syms): New function.
219 2017-05-15 Eric Christopher <echristo@gmail.com>
221 * layout.cc (Layout::segment_precedes): Add a case for testing
222 pointer equality when determining which segment precedes
225 2017-05-13 James Clarke <jrtc27@jrtc27.com>
228 * gold.cc (Target_sparc::Relocate::relocate_tls): Local
229 variables are final for position-independent executables. This
230 has to be consistent with Target_sparc::Scan::local otherwise
231 they will disagree as to whether local-exec is used.
233 2017-05-12 Igor Kudrin <ikudrin@accesssoftek.com>
237 (AArch64_relobj::convert_input_section_to_relaxed_section):
238 Set the section offset to -1ULL.
239 (Target_aarch64::relocate_section): Adjust the view in case
240 of a relaxed input section.
241 * testsuite/Makefile.am (pr21430): New test.
242 * testsuite/Makefile.in: Regenerate
243 * testsuite/pr21430.s: New test source file.
244 * testsuite/pr21430.sh: New test script.
246 2017-04-27 Alan Modra <amodra@gmail.com>
248 * testsuite/plugin_section_order.c (onload): Add missing break.
250 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
252 * mips.cc (Mips_got_entry::hash()): Shift addend to reduce
253 possibility of collisions.
254 (Mips_got_entry::equals): Fix case for GOT_TLS_LDM
257 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
259 * mips.cc (Mips_relobj::merge_processor_specific_data_): New data
261 (Mips_relobj::merge_processor_specific_data): New method.
262 (Mips_relobj::do_read_symbols): Set merge_processor_specific_data_
263 to false, only if the input file is a binary or if object has no
264 contents except the section name string table and an empty symbol
265 table with the undefined symbol.
266 (Target_mips::do_finalize_sections): Refactor. Skip empty object files
267 for merging processor-specific data.
269 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
271 * mips.cc (Target_mips::Relocate::calculated_value_): New data
273 (Target_mips::Relocate::calculate_only_): Likewise.
274 (Target_mips::Relocate::relocate): Handle multiple consecutive
275 relocations with the same offset.
277 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
279 * mips.cc (Target_mips::Relocate::relocate): Remove redundant
280 checks for relocatable link.
281 (Mips_relocate_functions::reljalr): Likewise.
283 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
285 * mips.cc (class Mips_output_section_options): New class.
286 (Target_mips::do_make_output_section): New method.
288 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
290 * mips.cc (Mips_relocate_functions::rel26): Don't print relocation
291 overflow error message.
292 (Target_mips::relocate_special_relocatable): Improve relocation
293 overflow error message.
294 (Target_mips::Relocate::relocate): Likewise.
296 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
298 * mips.cc (symbol_refs_local): Return false if a symbol
299 is from a dynamic object.
300 (Target_mips::got_section): Make _GLOBAL_OFFSET_TABLE_ STV_HIDDEN.
301 (Target_mips::set_gp): Refactor. Make _gp STT_NOTYPE and
303 (Target_mips::do_finalize_sections): Set _gp after all the checks
304 for creating .got are done.
305 (Target_mips::Scan::global): Remove unused code.
307 2017-02-22 Alan Modra <amodra@gmail.com>
309 * powerpc.cc (Target_powerpc::make_iplt_section): Check that
310 output_section exists before attempting add_output_section_data.
311 (Target_powerpc::make_brlt_section): Likewise.
313 2017-02-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
315 * mips.cc (Target_mips::Scan::get_reference_flags): Remove
316 gold_unreachable from default case.
318 2017-02-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
321 * mips.cc (Mips_relocate_functions::relhigher): New method.
322 (Mips_relocate_functions::relhighest): Likewise.
323 (mips_get_size_for_reloc): Add support for relocs: R_MIPS_HIGHER and
325 (Target_mips::Scan::local): Add support for relocs: R_MIPS_HIGHER,
326 R_MIPS_HIGHEST, R_MICROMIPS_HIGHER and R_MICROMIPS_HIGHEST.
327 (Target_mips::Scan::global): Likewise.
328 (Target_mips::Scan::get_reference_flags): Likewise.
329 (Target_mips::Relocate::relocate): Call static methods for resolving
330 HIGHER and HIGHEST relocations.
332 2017-02-03 Rahul Chaudhry <rahulchaudhry@google.com>
334 * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
335 Return true even when building pie binaries.
336 (Target_x86_64::possible_function_pointer_reloc): Check opcode
337 for R_X86_64_PC32 relocations.
338 (Target_x86_64::local_reloc_may_be_function_pointer): Pass
339 extra arguments to local_reloc_may_be_function_pointer.
340 (Target_x86_64::global_reloc_may_be_function_pointer): Likewise.
341 * gc.h (gc_process_relocs): Add check for STT_FUNC.
342 * testsuite/Makefile.am (icf_safe_pie_test): New test case.
343 * testsuite/Makefile.in: Regenerate.
344 * testsuite/icf_safe_pie_test.sh: New shell script.
346 2017-02-03 Alan Modra <amodra@gmail.com>
348 * powerpc.cc (Powerpc_relobj::make_toc_relative): Don't crash
349 when no .toc section exists.
351 2017-01-31 Cary Coutant <ccoutant@gmail.com>
354 * x86_64.cc (Target_x86_64::can_convert_mov_to_lea): Add check
355 for predefined symbol.
356 (Target_x86_64::Relocate::relocate): Fix formatting.
358 2017-01-23 Rahul Chaudhry <rahulchaudhry@google.com>
360 * testsuite/icf_safe_so_test.sh: Use "set -e".
361 * testsuite/icf_safe_test.sh: Likewise.
362 * testsuite/icf_test.sh: Likewise.
364 2017-01-23 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
366 * mips.cc (Mips_output_data_plt::rel_plt): Remove const from return
368 (Target_mips::make_plt_entry): Make the sh_info field of .rel.plt
371 2017-01-23 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
374 * mips.cc (Mips_got_info::record_global_got_symbol): Don't add symbol
375 to the dynamic symbol table if it is forced to local visibility.
376 (Target_mips::do_finalize_sections): Don't add __RLD_MAP symbol to the
377 dynamic symbol table if it is forced to local visibility.
379 2017-01-20 Nick Clifton <nickc@redhat.com>
381 * aarch64.cc (Stub_template_repertoire): Change ST_E_835769_INSNS
382 from a pointer to an array.
384 2017-01-13 H.J. Lu <hongjiu.lu@intel.com>
387 * powerpc.cc (Powerpc_relobj<size, big_endian>::make_toc_relative):
388 Cast 0x80008000 to uint64_t.
390 2017-01-12 Cary Coutant <ccoutant@gmail.com>
392 * object.cc (Sized_relobj_file): Fix byte counts for calls to memmem.
394 2017-01-11 Cary Coutant <ccoutant@gmail.com>
397 * x86_64.cc (Output_data_plt_x86_64_bnd::do_fill_first_plt_entry):
398 Remove unnecessary 'typename' keyword.
399 (Output_data_plt_x86_64_bnd::do_fill_plt_entry): Likewise.
400 (Output_data_plt_x86_64_bnd::fill_aplt_entry): Likewise.
401 (Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry): Likewise.
402 (Output_data_plt_x86_64_bnd::do_write): Likewise.
404 2017-01-11 Cary Coutant <ccoutant@gmail.com>
407 * x86_64.cc (Output_data_plt_x86_64_bnd::do_fill_first_plt_entry):
408 Remove unnecessary 'typename' keyword.
409 (Output_data_plt_x86_64_bnd::do_fill_plt_entry): Likewise.
410 (Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry): Likewise.
411 (Output_data_plt_x86_64_bnd::fill_aplt_entry): Likewise.
412 * testsuite/copy_test_relro_1.cc (p, b, c, q): Add separate extern
415 2017-01-11 Cary Coutant <ccoutant@gmail.com>
418 * testsuite/script_test_13.sh: Adjust patterns to work for i386.
419 * testsuite/script_test_15a.sh: Likewise.
420 * testsuite/script_test_15b.sh: Likewise.
421 * testsuite/script_test_15c.sh: Likewise.
423 2017-01-11 Alan Modra <amodra@gmail.com>
425 * powerpc.cc (class Powerpc_copy_relocs): New.
426 (Powerpc_copy_relocs::emit): New function.
427 (Powerpc_relobj::relatoc_, toc_, no_toc_opt_): New variables.
428 (Powerpc_relobj::toc_shndx, set_no_toc_opt, no_toc_opt): New inlines.
429 (Powerpc_relobj::do_relocate_sections): New function.
430 (Powerpc_relobj::make_toc_relative): Likewise.
431 (Powerpc_relobj::do_find_special_sections): Stash away .rela.toc
433 (ok_lo_toc_insn): Move earlier, and handle more insns.
434 (Target_powerpc::Scan::local): If optimizing toc accesses, set
435 no_toc_opt for entries we can't edit. Check insn validity.
436 Emit "toc optimization is not supported" warning, downgraded
438 (Target_powerpc::Scan::global): Likewise.
439 (Target_powerpc::Relocate::relocate): Edit TOC indirect code
440 to TOC relative. Don't emit "toc optimization is not supported"
443 2017-01-10 Cary Coutant <ccoutant@gmail.com>
445 * aarch64.cc (AArch64_relobj::do_relocate_sections): Call
446 Sized_relobj_file::relocate_section_range().
447 * arm.cc (Arm_relobj::do_relocate_sections): Likewise.
448 * object.h (Sized_relobj_file::relocate_section_range): New method.
449 * reloc.cc (Sized_relobj_file::do_relocate_sections): Move
451 (Sized_relobj_file::relocate_section_range): ...to new method.
453 2017-01-10 Alan Modra <amodra@gmail.com>
455 * testsuite/ver_test_8.sh: Accept .TOC. in lieu of
456 _GLOBAL_OFFSET_TABLE_. Allow zero count.
457 * testsuite/copy_test_relro_1.cc (c, q): New vars.
458 * testsuite/copy_test_relro.cc: Rewrite to test read-only
459 status of variables directly. Reference new vars in
462 2017-01-10 Alan Modra <amodra@gmail.com>
464 * options.h: Add --secure-plt option.
465 * powerpc.cc (Target_powerpc::Scan::local): Detect and error
466 on -fPIC -mbss-plt code.
467 (Target_powerpc::Scan::global): Likewise.
469 2017-01-09 Alan Modra <amodra@gmail.com>
471 * powerpc.cc (Target_powerpc::make_plt_section): Point sh_info of
472 ".rela.plt" at ".plt".
474 2017-01-07 Alan Modra <amodra@gmail.com>
476 * powerpc.cc: Use shorter equivalent elfcpp typedef for
477 Reltype and reloc_size throughout.
478 (Target_powerpc::symval_for_branch): Exclude dynamic symbols.
479 (Target_powerpc::Scan::local): Use local var r_sym.
480 (Target_powerpc::Scan::global: Likewise.
481 (Target_powerpc::Relocate::relocate): Delete shadowing r_sym.
483 2017-01-02 Alan Modra <amodra@gmail.com>
485 Update year range in copyright notice of all files.
487 For older changes see ChangeLog-2016
489 Copyright (C) 2017 Free Software Foundation, Inc.
491 Copying and distribution of this file, with or without modification,
492 are permitted in any medium without royalty provided the copyright
493 notice and this notice are preserved.
499 version-control: never