i386: Improve PLT generation and synthetic PLT symbols

[external/binutils.git] / bfd / ChangeLog

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 8c7c021..cfdb6b6 100644 (file)
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,62 @@
+2017-05-08  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * elf32-i386.c (PLT_ENTRY_SIZE): Renamed to ...
+       (LAZY_PLT_ENTRY_SIZE): This.
+       (NON_LAZY_PLT_ENTRY_SIZE): New.
+       (elf_i386_plt0_entry): Renamed to ...
+       (elf_i386_lazy_plt0_entry): This.
+       (elf_i386_plt_entry): Renamed to ...
+       (elf_i386_lazy_plt_entry): This.
+       (elf_i386_pic_plt0_entry): Renamed to ...
+       (elf_i386_pic_lazy_plt0_entry): This.
+       (elf_i386_pic_plt_entry): Renamed to ...
+       (elf_i386_pic_lazy_plt_entry): This.
+       (elf_i386_got_plt_entry): Renamed to ...
+       (elf_i386_non_lazy_plt_entry): This.
+       (elf_i386_pic_got_plt_entry): Renamed to ...
+       (elf_i386_pic_non_lazy_plt_entry): This.
+       (elf_i386_eh_frame_plt): Renamed to ...
+       (elf_i386_eh_frame_lazy_plt): This.
+       (elf_i386_eh_frame_plt_got): Renamed to ...
+       (elf_i386_eh_frame_non_lazy_plt): This.
+       (elf_i386_plt_layout): Renamed to ...
+       (elf_i386_lazy_plt_layout): This.  Remove eh_frame_plt_got and
+       eh_frame_plt_got_size.
+       (elf_i386_non_lazy_plt_layout): New.
+       (elf_i386_plt_layout): Likewise.
+       (elf_i386_non_lazy_plt): Likewise.
+       (GET_PLT_ENTRY_SIZE): Removed.
+       (elf_i386_plt): Renamed to ...
+       (elf_i386_lazy_plt): This.
+       (elf_i386_backend_data): Remove plt.  Rename is_vxworks to os.
+       (elf_i386_arch_bed): Updated.
+       (elf_i386_link_hash_table): Add plt, lazy_plt and non_lazy_plt.
+       (elf_i386_create_dynamic_sections): Removed.
+       (elf_i386_check_relocs): Don't check elf.dynobj.  Don't call
+       _bfd_elf_create_ifunc_sections nor _bfd_elf_create_got_section.
+       (elf_i386_adjust_dynamic_symbol): Updated.
+       (elf_i386_allocate_dynrelocs): Updated.  Pass 0 as PLT header
+       size to _bfd_elf_allocate_ifunc_dyn_relocs and don't allocate
+       size for PLT0 if there is no PLT0.
+       (elf_i386_size_dynamic_sections): Updated.  Check whether GOT
+       output section is discarded only if GOT isn't empty.
+       (elf_i386_relocate_section): Updated.  Properly get PLT index
+       if there is no PLT0.
+       (elf_i386_finish_dynamic_symbol): Updated.  Don't fill the
+       second and third slots in the PLT entry if there is no PLT0.
+       (elf_i386_finish_dynamic_sections): Updated.  Don't fill PLT0
+       if there is no PLT0.  Set sh_entsize on the .plt.got section.
+       (elf_i386_nacl_plt): Forward declaration.
+       (elf_i386_get_plt_sym_val): Removed.
+       (elf_i386_get_synthetic_symtab): Rewrite to check PLT sections
+       against all dynamic relocations.
+       (elf_i386_link_setup_gnu_properties): New function.
+       (elf_backend_create_dynamic_sections): Updated.
+       (elf_backend_setup_gnu_properties): New.
+       (elf_i386_nacl_plt): Updated.
+       (elf_i386_nacl_arch_bed): Likewise.
+       (elf_i386_vxworks_arch_bed): Likewise.
+
 2017-05-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 
        * elflink.c (elf_output_implib): Remove executable flag from import