PR 10893

[thirdparty/binutils-gdb.git] / gold / ChangeLog

diff --git a/gold/ChangeLog b/gold/ChangeLog
index 8b600b2a2dffdcaa3f1add096527bad11500028e..83eef92a373a05d103b6ea042cea7478663ba891 100644 (file)
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+++ b/gold/ChangeLog
@@ -1,3 +1,104 @@
+2010-08-19  Ian Lance Taylor  <iant@google.com>
+
+       PR 10893
+       * i386.cc (class Output_data_plt_i386): Update declarations.
+       Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
+       local_ifuncs_ fields.
+       (Target_i386::do_plt_section_for_global): New function.
+       (Target_i386::do_plt_section_for_local): New function.
+       (Output_data_plt_i386::Output_data_plt_i386): Add symtab
+       parameter; change all callers.  Initialize global_ifuncs_ and
+       local_ifuncs_.  If doing a static link define __rel_iplt_start and
+       __rel_iplt_end.
+       (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
+       (Output_data_plt_i386::add_local_ifunc_entry): New function.
+       (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
+       symbols.
+       (Target_i386::make_plt_section): New function, broken out of
+       make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
+       (Target_i386::make_plt_entry): Call make_plt_section.
+       (Target_i386::make_local_ifunc_plt_entry): New function.
+       (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
+       (Target_i386::Scan::local): Handle IFUNC symbols.  Add
+       R_386_IRELATIVE to switch.
+       (Target_i386::Scan::global): Likewise.
+       (Target_i386::Relocate::relocate): Likewise.
+       (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
+       switch.
+       * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
+       (Target_x86_64::do_plt_section_for_global): New function.
+       (Target_x86_64::do_plt_section_for_local): New function.
+       (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
+       parameter; change all callers.  If doing a static link define
+       __rela_iplt_start and __rela_iplt_end.
+       (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
+       (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
+       (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
+       to point to .plt.
+       (Target_x86_64::make_local_ifunc_plt_entry): New function.
+       (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
+       switch.
+       (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
+       (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
+       R_X86_64_IRELATIVE to switch.
+       (Target_x86_64::Scan::global): Likewise.
+       (Target_x86_64::Relocate::relocate): Likewise.
+       (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
+       switch.
+       * target.h (class Target): Add plt_section_for_global and
+       plt_section_for_local functions.  Add do_plt_section_for_global
+       and do_plt_section_for_local virtual functions.
+       * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
+       clarifying comments.
+       (Symbol::use_plt_offset): Handle IFUNC symbol.
+       * object.cc (Sized_relobj::Sized_relobj): Initialize
+       local_plt_offsets_.
+       (Sized_relobj::local_has_plt_offset): New function.
+       (Sized_relobj::local_plt_offset): New function.
+       (Sized_relobj::set_local_plt_offset): New function.
+       (Sized_relobj::do_count): Handle IFUNC symbol.
+       * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
+       a bit away from input_shndx_ field.  Add set_is_func_symbol and
+       is_ifunc_symbol functions.
+       (class Sized_relobj): Update declarations.  Remove Tls_got_entry
+       and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
+       local_plt_offsets_ field.
+       (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
+       * output.h (class Output_section_data): Add non-const
+       output_section function.
+       (class Output_data_got): Update declarations.
+       (class Output_data_got::Got_entry): Add use_plt_offset_ field.
+       Add use_plt_offset parameter to global and local constructors.
+       Change all callers.  Change local_sym_index_ field to 31 bits.
+       Change GSYM_CODE and CONSTANT_CODE accordingly.
+       * output.cc (Output_data_reloc_base::do_adjust_output_section): If
+       doing a static link don't set sh_link field.
+       (Output_data_got::Got_entry::write): Use PLT offset if
+       appropriate.
+       (Output_data_got::add_global_plt): New function.
+       (Output_data_got::add_local_plt): New function.
+       * target-reloc.h (relocate_section): Handle IFUNC symbol.
+       * defstd.cc (in_section): Remove entries for __rel_iplt_start,
+       __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
+       * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
+       * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
+       IFUNC conditional.
+       * testsuite/ifunc-sel.h: New file.
+       * testsuite/ifuncmain1.c: New file.
+       * testsuite/ifuncmain1vis.c: New file.
+       * testsuite/ifuncmod1.c: New file.
+       * testsuite/ifuncdep2.c: New file.
+       * testsuite/ifuncmain2.c: New file.
+       * testsuite/ifuncmain3.c: New file.
+       * testsuite/ifuncmod3.c: New file.
+       * testsuite/ifuncmain4.c: New file.
+       * testsuite/ifuncmain5.c: New file.
+       * testsuite/ifuncmod5.c: New file.
+       * testsuite/ifuncmain6pie.c: New file.
+       * testsuite/ifuncmod6.c: New file.
+       * testsuite/ifuncmain7.c: New file.
+       * configure, testsuite/Makefile.in: Rebuild.
+
 2010-08-18  Ian Lance Taylor  <iant@google.com>
 
        * incremental.cc