Gold: Skip zero-sized sections for ICF

[binutils-gdb.git] / gold / ChangeLog

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+2020-10-13  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * icf.cc (Icf::find_identical_sections): Skip zero-sized sections.
+
+2020-10-09  Alan Modra  <amodra@gmail.com>
+
+       * powerpc.cc (Powerpc_relobj::do_relocate_sections): Don't do
+       local entry offset optimisation for lplt_section.
+       (Target_powerpc::Branch_info::make_stub): Don't add local
+       entry offset to long branch dest passed to
+       add_long_branch_entry.  Do pass st_other bits.
+       (Stub_table::Branch_stub_ent): Add "other_" field.
+       (Stub_table::add_long_branch_entry): Add "other" param, and
+       save.
+       (Stub_table::branch_stub_size): Adjust long branch offset.
+       (Stub_table::do_write): Likewise.
+       (Target_powerpc::Relocate::relocate): Likewise.
+
+2020-10-09  Alan Modra  <amodra@gmail.com>
+
+       * powerpc.cc (is_got_reloc): New function.
+       (Target_powerpc::Relocate::relocate): Use it here, exclude GOT
+       relocs when looking for stubs.
+
+2020-10-08  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * testsuite/split_i386.sh: Updated for --split-stack-adjust-size
+       default change.
+       * testsuite/split_x86_64.sh: Likewise.
+
+2020-10-08  Alan Modra  <amodra@gmail.com>
+
+       * options.h (split_stack_adjust_size): Default to 0x100000.
+
+2020-09-26  Alan Modra  <amodra@gmail.com>
+
+       * powerpc.cc (Target_powerpc): Rename power10_stubs_ to
+       power10_relocs_.
+       (Target_powerpc::set_power10_relocs): New accessor.
+       (Target_powerpc::set_power10_stubs): Delete.
+       (Target_powerpc::power10_stubs): Adjust.
+       (Target_powerpc::has_localentry0): New accessor.
+       (ld_0_11): New constant.
+       (glink_eh_frame_fde_64v1, glink_eh_frame_fde_64v2): Adjust.
+       (glink_eh_frame_fde_64v2_localentry0): New.
+       (Output_data_glink::pltresolve_size): Update.
+       (Output_data_glink::add_eh_frame): Use localentry0 version eh_frame.
+       (Output_data_glink::do_write): Move r2 save to start of ELFv2 stub
+       and only emit for has_localentry0.  Don't use r2 in the stub.
+       (Target_powerpc::Scan::local, global): Adjust for
+       set_power10_relocs renaming.
+       (Target_powerpc::scan_relocs): Warn and reset plt_localentry0_.
+
+2020-09-24  Alan Modra  <amodra@gmail.com>
+
+       * powerpc.cc (Target_powerpc::Relocate::relocate): Don't skip
+       first insn of __tls_get_addr_opt stub.
+
 2020-08-24  Alan Modra  <amodra@gmail.com>
 
        * powerpc.cc (Target_powerpc): Add tprel_opt_ and accessors.