1 2019-07-13 Alan Modra <amodra@gmail.com>
3 * powerpc.cc (xlate_pcrel_opt): New function.
4 (Target_powerpc::Relocate::relocate): Optimise PCREL34 and
5 GOT_PCREL34 sequences marked with PCREL_OPT.
7 2019-07-13 Alan Modra <amodra@gmail.com>
9 * powerpc.cc (Powerpc_relobj::make_got_relative): New function.
10 (relative_value_is_known): New functions.
11 (Target_powerpc::Relocate::relocate): Edit code using
12 GOT16_HA, GOT16_LO_DS, and GOT_PCREL34 relocs.
14 2019-07-13 Alan Modra <amodra@gmail.com>
16 * powerpc.cc (Target_powerpc): Add powerxx_stubs_ and accessor
18 (Target_powerpc::maybe_skip_tls_get_addr_call): Handle PLT_PCREL34
19 and PLT_PCREL34_NOTOC relocs.
20 (Powerpc_relocate_functions): Add addr34, addr34_hi, addr34_ha,
21 addr28, addr16_higher34, addr16_highera34, addr16_highest34,
22 addr16_highest34a functions.
23 (li_11_0, ori_11_11_0, sldi_11_11_34): Define.
24 (paddi_12_pc, pld_12_pc, pnop): Define.
25 (d34, ha34): New inline functions.
26 (Stub_table::add_plt_call_entry): Handle powerxx_stubs.
27 (Stub_table::add_eh_frame): Likewise.
28 (build_powerxx_offset): New function.
29 (Stub_table::plt_call_size): Handle powerxx_stubs.
30 (Stub_table::branch_stub_size): Likewise.
31 (Stub_table::do_write): Likewise.
32 (Target_powerpc::Scan::get_reference_flags): Handle new relocs.
33 (Target_powerpc::Scan::reloc_needs_plt_for_ifunc: Likewise.
34 (Target_powerpc::Scan::local, global, relocate): Likewise.
36 2019-07-13 Alan Modra <amodra@gmail.com>
38 * ehframe.cc (Fde::operator==): Delete.
39 (Cie::remove_fde): Delete.
40 (Eh_frame::remove_ehframe_for_plt): Delete fde_data and fde_length
41 parameters. Remove all post-map plt FDEs.
42 * ehframe.h (Fde:post_map): Make const, add variant to compare plt.
43 (Fde::operator==): Delete.
44 (Cie::remove_fde): Implement here.
45 (Cie::last_fde): New accessor.
46 (Eh_frame::remove_ehframe_for_plt): Update prototype.
47 * layout.cc (Layout::remove_eh_frame_for_plt): Delete fde_data and
48 fde_length parameters.
49 * layout.h (Layout::remove_eh_frame_for_plt): Update prototype.
50 * powerpc.cc (Stub_table::tls_get_addr_opt_bctrl_): Delete.
51 (Stub_table::plt_fde_len_, plt_fde_, init_plt_fde): Delete.
52 (Stub_table::add_plt_call_entry): Don't set tls_get_addr_opt_bctrl_.
53 (eh_advance): New function.
54 (stub_sort): New function.
55 (Stub_table::add_eh_frame): Emit eh_frame for notoc plt calls and
56 branches as well as __tls_get_addr_opt plt call stub.
57 (Stub_table::remove_eh_frame): Update to suit.
59 2019-07-13 Alan Modra <amodra@gmail.com>
61 * powerpc.cc (Target_powerpc::maybe_skip_tls_get_addr_call): Handle
63 (is_branch_reloc): Template on size. Return true for REL24_NOTOC.
65 (max_branch_delta): Likewise.
66 (Target_powerpc::Branch_info::make_stub): Add a stub for notoc
67 calls to functions needing a valid toc pointer.
68 (Target_powerpc::do_relax): Layout stubs again if any need resize.
69 (add_12_11_12, addi_12_11, addis_12_11, ldx_12_11_12, ori_12_12_0),
70 (oris_12_12_0, sldi_12_12_32): Define.
71 (Stub_table::Plt_stub_ent): Add notoc_ and iter_ fields.
72 (Stub_table::Branch_stub_key, Branch_stub_key_hash): Rename from
73 Branch_stub_ent and Branch_stub_ent hash. Remove save_res_ from key.
74 (Stub_table::Branch_stub_ent): New struct.
75 (class Stub_table): Add need_resize and resizing vars.
76 (Stub_table::need_resize, branch_size): New accessors.
77 (Stub_table::set_resizing): New function.
78 (Stub_table::add_plt_call_entry): Handle notoc calls and resizing
79 on seeing such or a tocsave stubs after a normal stub using the
81 (Stub_table::add_long_branch_entry): Similarly.
82 (Stub_table::find_long_branch_entry): Return a Branch_stub_ent*.
83 (Stub_table::define_stub_syms): Adjust
84 (Stub_table::build_tls_opt_head, build_tls_opt_tail): New functions.
85 (build_notoc_offset): New function.
86 (Stub_table::plt_call_size): Move out of line. Handle notoc calls.
87 (Stub_table::branch_stub_size): Similarly.
88 (Stub_table::do_write): Separate loop for ELFv2 stubs, handling
89 notoc calls. Simplify ELFv1 loop. Output notoc branch stubs.
90 Use build_tls_opt_head and build_tls_opt_tail.
91 (Target_powerpc::Scan::get_reference_flags): Handle REL24_NOTOC.
92 (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Likewise,
93 and PLTSEQ_NOTOC and PLTCALL_NOTOC.
94 (Target_powerpc::Scan::local, global, relocate): Likewise.
96 2019-06-28 Alan Modra <amodra@gmail.com>
98 * powerpc.cc (Target_powerpc::Relocate::relocate): Don't look
99 at next/previous reloc when relnum is -1.
101 2019-06-28 Alan Modra <amodra@gmail.com>
103 * powerpc.cc (Stub_table::plt_error): New function.
104 (Stub_table::do_write): Use it.
105 (Output_data_glink::do_write): Don't segfault emitting linkage
108 2019-06-28 Alan Modra <amodra@gmail.com>
110 * powerpc.cc (Target_powerpc::Scan::get_reference_flags): Handle
112 (Target_powerpc::Scan::local): Likewise.
113 (Target_powerpc::Scan::global): Likewise.
114 (Target_powerpc::Relocate::relocate): Likewise.
116 2019-06-10 Martin Liska <mliska@suse.cz>
118 * errors.h: Include string.
120 2019-05-10 Joshua Oreman <oremanj@hudson-trading.com>
123 * gc.h (gc_process_relocs): Track relocations in .eh_frame sections
124 when ICF is enabled, even though the .eh_frame sections themselves
126 * icf.cc (get_section_contents): Change arguments to permit operation
127 on just part of a section. Include extra identity regions in the
128 referring section's contents recursively.
129 (match_sections): Lock object here instead of in get_section_contents
130 so that get_section_contents can operate recursively.
131 (Icf::add_ehframe_links): New method.
132 (Icf::find_identical_sections): Pass .eh_frame sections to
133 add_ehframe_links(). Increase default iteration count from 2 to 3
134 because handling exception info typically requires one extra iteration.
135 * icf.h (Icf::extra_identity_list_): New data member with accessor.
136 (is_section_foldable_candidate): Include .gcc_except_table sections.
137 * options.h: Update documentation for new default ICF iteration count.
138 * testsuite/Makefile.am (icf_test_pr21066): New test case.
139 * testsuite/Makefile.in: Regenerate.
140 * testsuite/icf_test_pr21066.cc: New source file.
141 * testsuite/icf_test_pr21066.sh: New test script.
143 2019-02-19 Egeyar Bagcioglu <egeyar.bagcioglu@oracle.com>
146 * aarch64.cc (Target_aarch64::Scan::global): Check if a symbol with
147 R_AARCH64_MOVW_.ABS_* relocations requires a PLT entry.
148 * testsuite/Makefile.am: Add aarch64_pr23870 test case.
149 * testsuite/Makefile.in: Regenerate.
150 * testsuite/aarch64_pr23870_bar.c: New file.
151 * testsuite/aarch64_pr23870_foo.c: New file.
152 * testsuite/aarch64_pr23870_main.S: New file.
154 2019-02-12 Nick Clifton <nickc@redhat.com>
156 * po/fr.po: Updated French translation.
158 2019-01-21 Nick Clifton <nickc@redhat.com>
160 * po/uk.po: Updated Ukranian translation.
162 2019-01-19 Nick Clifton <nickc@redhat.com>
164 * po/gold.pot: Regenerate.
166 2018-06-24 Nick Clifton <nickc@redhat.com>
170 2019-01-09 Andrew Paprocki <andrew@ishiboo.com>
172 * configure: Regenerate.
174 2019-01-01 Alan Modra <amodra@gmail.com>
176 Update year range in copyright notice of all files.
178 For older changes see ChangeLog-2018
180 Copyright (C) 2019 Free Software Foundation, Inc.
182 Copying and distribution of this file, with or without modification,
183 are permitted in any medium without royalty provided the copyright
184 notice and this notice are preserved.
190 version-control: never