1 2017-08-08 Romain Geissler <romain.geissler@gmail.com>
2 Alan Modra <amodra@gmail.com>
4 * configure.ac: Add --enable-default-hash-style option.
5 * options.h (hash_style): Use DEFAULT_HASH_STYLE as default value.
6 * configure: Regenerate.
7 * config.in: Regenerate.
9 2017-08-03 James Clarke <jrtc27@jrtc27.com>
11 * options.h (General_options): Set a non-NULL second help string
12 argument for relax to allow --no-relax.
14 2017-08-01 Alan Modra <amodra@gmail.com>
16 * ehframe.cc (Fde::operator==): New.
17 (Cie::remove_fde, Eh_frame::remove_ehframe_for_plt): New.
18 * ehframe.h (Fde::operator==): Declare.
19 (Cie::remove_fde, Eh_frame::remove_ehframe_for_plt): Likewise.
20 * layout.cc (Layout::remove_eh_frame_for_plt): New.
21 * layout.h (Layout::remove_eh_frame_for_plt): Declare.
22 * powerpc.cc (Target_powerpc::do_relax): Remove old eh_frame FDEs.
23 (Stub_table::add_eh_frame): Delete eh_frame_added_ condition.
24 Don't add eh_frame for empty stub section.
25 (Stub_table::remove_eh_frame): New.
27 2017-07-31 Alan Modra <amodra@gmail.com>
29 * options.h (no_tls_optimize): New powerpc option.
30 * powerpc.cc (Target_powerpc::abiversion, set_abiversion): Formatting.
31 (Target_powerpc::stk_toc): Formatting, fix comment.
32 (Target_powerpc::Track_tls::tls_get_addr_state): Rename from
34 (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
35 Return TLSOPT_NONE when !tls_optimize.
36 (Target_powerpc::add_global_pair_with_rel): Check
37 for existing reloc before reserving.
38 (Target_powerpc::add_local_tls_pair): Likewise.
40 2017-07-31 Alan Modra <amodra@gmail.com>
42 * powerpc.cc (Target_powerpc::scan_relocs): Warn on --plt-localentry
45 2017-07-29 Alan Modra <amodra@gmail.com>
48 * powerpc.cc (Target_powerpc::scan_relocs): Default to
51 2017-07-28 H.J. Lu <hongjiu.lu@intel.com>
54 * compressed_output.cc (Output_compressed_section::set_final_data_size):
55 Call put_ch_reserved to clear the reserved field for 64-bit ELF.
57 2017-07-26 H.J. Lu <hongjiu.lu@intel.com>
59 * mips.cc (Mips_relocate_functions): Add "llu" suffix to
62 2017-07-23 Alan Modra <amodra@gmail.com>
64 * powerpc.cc (glink_eh_frame_fde_64v2): Correct advance to
66 (glink_eh_frame_fde_64v1): Advance to restore of LR at latest
69 2017-07-18 Nick Clifton <nickc@redhat.com>
72 * aarch64.cc: Fix spelling typos.
74 * layout.cc: Likewise.
75 * powerpc.cc: Likewise.
76 * x86_64.cc: Likewise.
78 2017-07-12 Alan Modra <amodra@gmail.com>
80 * po/es.po: Update from translationproject.org/latest/gold/.
86 * po/zh_CN.po: Likewise.
87 * po/ja.po: New file from translationproject.org.
91 2017-07-06 Han Shen <shenhan@google.com>
94 * aarch64.cc (Erratum_stub::invalidate_erratum_stub): New method.
95 (Erratum_stub::is_invalidated_erratum_stub): New method.
96 (Stub_table::relocate_reloc_stub): Renamed from "relocate_stub".
97 (Stub_table::relocate_reloc_stubs): Renamed from "relocate_stubs".
98 (Stub_table::relocate_erratum_stub): New method.
99 (AArch64_relobj::fix_errata_and_relocate_erratum_stubs): Renamed from
101 (Target_aarch64::relocate_reloc_stub): Renamed from "relocate_stub".
103 2017-06-23 Alan Modra <amodra@gmail.com>
105 * options.h (General_options): Add plt_localentry.
106 * powerpc.cc (Target_powerpc::st_other): New function.
107 (Target_powerpc::plt_localentry0_, plt_localentry0_init_,
108 has_localentry0_): New vars.
109 (Target_powerpc::plt_localentry0, set_has_localentry0,
110 is_elfv2_localentry0): New functions.
111 (Target_powerpc::Branch_info::mark_pltcall): Don't set tocsave or
112 return true for localentry:0 calls.
113 (Stub_table::Plt_stub_ent::localentry0_): New var.
114 (Stub_table::add_plt_call_entry): Set localentry0_ and has_localentry0_.
115 Don't set r2save_ for localentry:0 calls.
116 (Output_data_glink::do_write): Save r2 in __glink_PLTresolve for elfv2.
117 (Target_powerpc::scan_relocs): Default plt_localentry0_.
118 (Target_powerpc::do_finalize_sections): Set DT_PPC64_OPT.
119 (Target_powerpc::Relocate::relocate): Don't require nop following
120 calls for localentry:0 plt calls, and don't change nop.
122 2017-06-23 Alan Modra <amodra@gmail.com>
124 * powerpc.cc (Target_powerpc::tocsave_loc_): New var.
125 (Target_powerpc::mark_pltcall, add_tocsave, tocsave_loc): New functions.
126 (Target_powerpc::Branch_info::tocsave_): New var.
127 (Target_powerpc::Branch_info::mark_pltcall): New function.
128 (Target_powerpc::Branch_info::make_stub): Pass tocsave_ to
130 (Stub_table::Plt_stub_ent): Make public. Add r2save_.
131 (Stub_table::add_plt_call_entry): Add bool tocsave_ param. Set
133 (Stub_table::find_plt_call_entry): Return Plt_stub_ent*. Adjust
135 (Stub_table::do_write): Conditionally output r2 save in plt stubs.
136 (Target_powerpc::Scan::local): Handle R_PPC64_TOCSAVE.
137 (Target_powerpc::Scan::global): Likewise.
138 (Target_powerpc::Relocate::relocate): Skip r2 save in plt call stub
139 with tocsave reloc. Replace header tocsave nop with r2 save.
140 * symtab.h (struct Symbol_location_hash): Make public.
142 2017-06-21 Alan Modra <amodra@gmail.com>
144 * powerpc.cc (Plt_stub_key): Rename from Plt_stub_ent. Remove indx_.
145 (Plt_stub_key_hash): Rename from Plt_stub_ent_hash.
146 (struct Plt_stub_ent): New.
147 (Plt_stub_entries): Map from Plt_stub_key to Plt_stub_ent. Adjust
150 2017-06-20 Eric Christopher <echristo@gmail.com>
152 * aarch64.cc (scan_reloc_for_stub): Use plt_address_for_global to
153 calculate the symbol value.
154 (scan_reloc_section_for_stubs): Allow stubs to be created for
156 (maybe_apply_stub): Handle creating stubs for weak symbols to
157 match the code in scan_reloc_for_stub.
159 2017-06-20 James Clarke <jrtc27@jrtc27.com>
161 * powerpc.cc (Stub_table::define_stub_syms): Always include object's
164 2017-06-15 Eric Christopher <echristo@gmail.com>
166 * aarch64.cc: Fix a few typos and grammar-os.
168 2017-06-15 Jiong Wang <jiong.wang@arm.com>
170 * aarch64.cc (Insn_utilities::is_mrs_tpidr_el0): New method.
171 (AArch64_relobj<size, big_endian>::try_fix_erratum_843419_optimized):
172 Return ture for some TLS relaxed sequences.
174 2017-06-07 Eric Christopher <echristo@gmail.com>
176 * aarch64.cc (maybe_apply_stub): Add debug logging for looking
177 up stubs to undefined symbols and early return rather than
178 fail to look them up.
179 (scan_reloc_for_stub): Add debug logging for no stub creation
180 for undefined symbols.
182 2017-05-23 Alan Modra <amodra@gmail.com>
185 * options.h: Add --emit-stub-syms option.
186 * powerpc.cc (object_id): New.
187 (Powerpc_relobj): Add uniq_ and accessor. Sort variables for
189 (Powerpc_dynobj): Sort variables for better packing.
190 (Target_powerpc::define_local): New function.
191 (Target_powerpc::group_sections): Pass stub table size to
192 Stub_table constructor.
193 (Target_powerpc::do_relax): Define stub and glink symbols.
194 (Stub_table): Add uniq_ variable, and id param to constructor.
195 (Stub_table::Plt_stub_ent): Add indx_ variable.
196 (Stub_table::Branch_stub_entries): Move typedef earlier.
197 (Stub_table::branch_stub_size): Replace "to" parameter with a
198 Branch_stub_entries iterator.
199 (Stub_table::add_long_branch_entry): Adjust to suit.
200 (Stub_table::add_plt_call_entry): Set indx_.
201 (Stub_table::define_stub_syms): New function.
203 2017-05-15 Eric Christopher <echristo@gmail.com>
205 * layout.cc (Layout::segment_precedes): Add a case for testing
206 pointer equality when determining which segment precedes
209 2017-05-13 James Clarke <jrtc27@jrtc27.com>
212 * gold.cc (Target_sparc::Relocate::relocate_tls): Local
213 variables are final for position-independent executables. This
214 has to be consistent with Target_sparc::Scan::local otherwise
215 they will disagree as to whether local-exec is used.
217 2017-05-12 Igor Kudrin <ikudrin@accesssoftek.com>
221 (AArch64_relobj::convert_input_section_to_relaxed_section):
222 Set the section offset to -1ULL.
223 (Target_aarch64::relocate_section): Adjust the view in case
224 of a relaxed input section.
225 * testsuite/Makefile.am (pr21430): New test.
226 * testsuite/Makefile.in: Regenerate
227 * testsuite/pr21430.s: New test source file.
228 * testsuite/pr21430.sh: New test script.
230 2017-04-27 Alan Modra <amodra@gmail.com>
232 * testsuite/plugin_section_order.c (onload): Add missing break.
234 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
236 * mips.cc (Mips_got_entry::hash()): Shift addend to reduce
237 possibility of collisions.
238 (Mips_got_entry::equals): Fix case for GOT_TLS_LDM
241 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
243 * mips.cc (Mips_relobj::merge_processor_specific_data_): New data
245 (Mips_relobj::merge_processor_specific_data): New method.
246 (Mips_relobj::do_read_symbols): Set merge_processor_specific_data_
247 to false, only if the input file is a binary or if object has no
248 contents except the section name string table and an empty symbol
249 table with the undefined symbol.
250 (Target_mips::do_finalize_sections): Refactor. Skip empty object files
251 for merging processor-specific data.
253 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
255 * mips.cc (Target_mips::Relocate::calculated_value_): New data
257 (Target_mips::Relocate::calculate_only_): Likewise.
258 (Target_mips::Relocate::relocate): Handle multiple consecutive
259 relocations with the same offset.
261 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
263 * mips.cc (Target_mips::Relocate::relocate): Remove redundant
264 checks for relocatable link.
265 (Mips_relocate_functions::reljalr): Likewise.
267 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
269 * mips.cc (class Mips_output_section_options): New class.
270 (Target_mips::do_make_output_section): New method.
272 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
274 * mips.cc (Mips_relocate_functions::rel26): Don't print relocation
275 overflow error message.
276 (Target_mips::relocate_special_relocatable): Improve relocation
277 overflow error message.
278 (Target_mips::Relocate::relocate): Likewise.
280 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
282 * mips.cc (symbol_refs_local): Return false if a symbol
283 is from a dynamic object.
284 (Target_mips::got_section): Make _GLOBAL_OFFSET_TABLE_ STV_HIDDEN.
285 (Target_mips::set_gp): Refactor. Make _gp STT_NOTYPE and
287 (Target_mips::do_finalize_sections): Set _gp after all the checks
288 for creating .got are done.
289 (Target_mips::Scan::global): Remove unused code.
291 2017-02-22 Alan Modra <amodra@gmail.com>
293 * powerpc.cc (Target_powerpc::make_iplt_section): Check that
294 output_section exists before attempting add_output_section_data.
295 (Target_powerpc::make_brlt_section): Likewise.
297 2017-02-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
299 * mips.cc (Target_mips::Scan::get_reference_flags): Remove
300 gold_unreachable from default case.
302 2017-02-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
305 * mips.cc (Mips_relocate_functions::relhigher): New method.
306 (Mips_relocate_functions::relhighest): Likewise.
307 (mips_get_size_for_reloc): Add support for relocs: R_MIPS_HIGHER and
309 (Target_mips::Scan::local): Add support for relocs: R_MIPS_HIGHER,
310 R_MIPS_HIGHEST, R_MICROMIPS_HIGHER and R_MICROMIPS_HIGHEST.
311 (Target_mips::Scan::global): Likewise.
312 (Target_mips::Scan::get_reference_flags): Likewise.
313 (Target_mips::Relocate::relocate): Call static methods for resolving
314 HIGHER and HIGHEST relocations.
316 2017-02-03 Rahul Chaudhry <rahulchaudhry@google.com>
318 * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
319 Return true even when building pie binaries.
320 (Target_x86_64::possible_function_pointer_reloc): Check opcode
321 for R_X86_64_PC32 relocations.
322 (Target_x86_64::local_reloc_may_be_function_pointer): Pass
323 extra arguments to local_reloc_may_be_function_pointer.
324 (Target_x86_64::global_reloc_may_be_function_pointer): Likewise.
325 * gc.h (gc_process_relocs): Add check for STT_FUNC.
326 * testsuite/Makefile.am (icf_safe_pie_test): New test case.
327 * testsuite/Makefile.in: Regenerate.
328 * testsuite/icf_safe_pie_test.sh: New shell script.
330 2017-02-03 Alan Modra <amodra@gmail.com>
332 * powerpc.cc (Powerpc_relobj::make_toc_relative): Don't crash
333 when no .toc section exists.
335 2017-01-31 Cary Coutant <ccoutant@gmail.com>
338 * x86_64.cc (Target_x86_64::can_convert_mov_to_lea): Add check
339 for predefined symbol.
340 (Target_x86_64::Relocate::relocate): Fix formatting.
342 2017-01-23 Rahul Chaudhry <rahulchaudhry@google.com>
344 * testsuite/icf_safe_so_test.sh: Use "set -e".
345 * testsuite/icf_safe_test.sh: Likewise.
346 * testsuite/icf_test.sh: Likewise.
348 2017-01-23 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
350 * mips.cc (Mips_output_data_plt::rel_plt): Remove const from return
352 (Target_mips::make_plt_entry): Make the sh_info field of .rel.plt
355 2017-01-23 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
358 * mips.cc (Mips_got_info::record_global_got_symbol): Don't add symbol
359 to the dynamic symbol table if it is forced to local visibility.
360 (Target_mips::do_finalize_sections): Don't add __RLD_MAP symbol to the
361 dynamic symbol table if it is forced to local visibility.
363 2017-01-20 Nick Clifton <nickc@redhat.com>
365 * aarch64.cc (Stub_template_repertoire): Change ST_E_835769_INSNS
366 from a pointer to an array.
368 2017-01-13 H.J. Lu <hongjiu.lu@intel.com>
371 * powerpc.cc (Powerpc_relobj<size, big_endian>::make_toc_relative):
372 Cast 0x80008000 to uint64_t.
374 2017-01-12 Cary Coutant <ccoutant@gmail.com>
376 * object.cc (Sized_relobj_file): Fix byte counts for calls to memmem.
378 2017-01-11 Cary Coutant <ccoutant@gmail.com>
381 * x86_64.cc (Output_data_plt_x86_64_bnd::do_fill_first_plt_entry):
382 Remove unnecessary 'typename' keyword.
383 (Output_data_plt_x86_64_bnd::do_fill_plt_entry): Likewise.
384 (Output_data_plt_x86_64_bnd::fill_aplt_entry): Likewise.
385 (Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry): Likewise.
386 (Output_data_plt_x86_64_bnd::do_write): Likewise.
388 2017-01-11 Cary Coutant <ccoutant@gmail.com>
391 * x86_64.cc (Output_data_plt_x86_64_bnd::do_fill_first_plt_entry):
392 Remove unnecessary 'typename' keyword.
393 (Output_data_plt_x86_64_bnd::do_fill_plt_entry): Likewise.
394 (Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry): Likewise.
395 (Output_data_plt_x86_64_bnd::fill_aplt_entry): Likewise.
396 * testsuite/copy_test_relro_1.cc (p, b, c, q): Add separate extern
399 2017-01-11 Cary Coutant <ccoutant@gmail.com>
402 * testsuite/script_test_13.sh: Adjust patterns to work for i386.
403 * testsuite/script_test_15a.sh: Likewise.
404 * testsuite/script_test_15b.sh: Likewise.
405 * testsuite/script_test_15c.sh: Likewise.
407 2017-01-11 Alan Modra <amodra@gmail.com>
409 * powerpc.cc (class Powerpc_copy_relocs): New.
410 (Powerpc_copy_relocs::emit): New function.
411 (Powerpc_relobj::relatoc_, toc_, no_toc_opt_): New variables.
412 (Powerpc_relobj::toc_shndx, set_no_toc_opt, no_toc_opt): New inlines.
413 (Powerpc_relobj::do_relocate_sections): New function.
414 (Powerpc_relobj::make_toc_relative): Likewise.
415 (Powerpc_relobj::do_find_special_sections): Stash away .rela.toc
417 (ok_lo_toc_insn): Move earlier, and handle more insns.
418 (Target_powerpc::Scan::local): If optimizing toc accesses, set
419 no_toc_opt for entries we can't edit. Check insn validity.
420 Emit "toc optimization is not supported" warning, downgraded
422 (Target_powerpc::Scan::global): Likewise.
423 (Target_powerpc::Relocate::relocate): Edit TOC indirect code
424 to TOC relative. Don't emit "toc optimization is not supported"
427 2017-01-10 Cary Coutant <ccoutant@gmail.com>
429 * aarch64.cc (AArch64_relobj::do_relocate_sections): Call
430 Sized_relobj_file::relocate_section_range().
431 * arm.cc (Arm_relobj::do_relocate_sections): Likewise.
432 * object.h (Sized_relobj_file::relocate_section_range): New method.
433 * reloc.cc (Sized_relobj_file::do_relocate_sections): Move
435 (Sized_relobj_file::relocate_section_range): ...to new method.
437 2017-01-10 Alan Modra <amodra@gmail.com>
439 * testsuite/ver_test_8.sh: Accept .TOC. in lieu of
440 _GLOBAL_OFFSET_TABLE_. Allow zero count.
441 * testsuite/copy_test_relro_1.cc (c, q): New vars.
442 * testsuite/copy_test_relro.cc: Rewrite to test read-only
443 status of variables directly. Reference new vars in
446 2017-01-10 Alan Modra <amodra@gmail.com>
448 * options.h: Add --secure-plt option.
449 * powerpc.cc (Target_powerpc::Scan::local): Detect and error
450 on -fPIC -mbss-plt code.
451 (Target_powerpc::Scan::global): Likewise.
453 2017-01-09 Alan Modra <amodra@gmail.com>
455 * powerpc.cc (Target_powerpc::make_plt_section): Point sh_info of
456 ".rela.plt" at ".plt".
458 2017-01-07 Alan Modra <amodra@gmail.com>
460 * powerpc.cc: Use shorter equivalent elfcpp typedef for
461 Reltype and reloc_size throughout.
462 (Target_powerpc::symval_for_branch): Exclude dynamic symbols.
463 (Target_powerpc::Scan::local): Use local var r_sym.
464 (Target_powerpc::Scan::global: Likewise.
465 (Target_powerpc::Relocate::relocate): Delete shadowing r_sym.
467 2017-01-02 Alan Modra <amodra@gmail.com>
469 Update year range in copyright notice of all files.
471 For older changes see ChangeLog-2016
473 Copyright (C) 2017 Free Software Foundation, Inc.
475 Copying and distribution of this file, with or without modification,
476 are permitted in any medium without royalty provided the copyright
477 notice and this notice are preserved.
483 version-control: never