[binutils] Bump binutils to 2.20.1

binutils/gold/ChangeLog

+2010-01-13  Ian Lance Taylor  <iant@google.com>
+
+        Bring over from mainline:
+        2010-01-04  Ian Lance Taylor  <iant@google.com>
+
+        PR 10980
+        * options.h (class General_options): Add --add-needed and
+        --copy-dt-needed-entries.  Tweak --as-needed help entry.
+        * object.cc (Input_objects::check_dynamic_dependencies): Give an
+        error if --copy-dt-needed-entries aka --add-needed is used and
+        would cause a change in behaviour.
+
+2010-01-13  Ian Lance Taylor  <iant@google.com>
+
+        Bring over from mainline:
+        2010-01-07  Ian Lance Taylor  <iant@google.com>
+
+        PR 11042
+        * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
+        object as needed.
+
+2010-01-13  Ian Lance Taylor  <iant@google.com>
+
+        Bring over from mainline:
+        2010-01-08  Ian Lance Taylor  <iant@google.com>
+
+        PR 11072
+        * layout.cc (Layout::include_section): Remove .gnu_debuglink
+        sections.
+
+2009-11-06  Ian Lance Taylor  <iant@google.com>
+
+        Bring over from mainline:
+        2009-10-16  Doug Kwan  <dougkwan@google.com>
+
+        * dynobj.cc (Versions::Versions): Initialize version_script_.
+        Only insert base version symbol definition for a shared object
+        if version script defines any version versions.
+        (Versions::define_base_version): New method definition.
+        (Versions::add_def): Check that base version is not needed.
+        (Versions::add_need): Define base version lazily.
+        * dynobj.h (Versions::define_base_version): New method declaration.
+        (Versions::needs_base_version_): New data member declaration.
+
+2009-11-06  Ian Lance Taylor  <iant@google.com>
+
+        PR 10876
+        * defstd.cc (in_segment): Set only_if_ref true for "end".
+
+2009-11-05  Ian Lance Taylor  <iant@google.com>
+
+        PR 10910
+        * output.cc (Output_segment::add_output_section): Add missing
+        return statement.
+
+2009-11-04  Ian Lance Taylor  <iant@google.com>
+
+        PR 10880
+        * object.h (class Object): Add is_needed and set_is_needed
+        methods.  Add is_needed_ field.  Make bool fields into bitfields.
+        * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
+        defined in a dynamic object and referenced by a regular object,
+        set is_needed for the dynamic object.
+        * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
+        if the file is marked with as_needed and it is not needed.
+
+2009-11-04  Ian Lance Taylor  <iant@google.com>
+
+        PR 10887
+        * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
+        tags if data is discarded by linker script.
+        * i386.cc (Target_i386::do_finalize_sections): Likewise.
+        * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
+        * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
+        * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
+
+2009-11-04  Ian Lance Taylor  <iant@google.com>
+
+        * layout.cc (Layout::get_output_section): Add is_interp and
+        is_dynamic_linker_section parameters.  Change all callers.
+        (Layout::choose_output_section): Likewise.
+        (Layout::make_output_section): Likewise.
+        (Layout::add_output_section_data): Add is_dynamic_linker_section
+        parameter.  Change all callers.
+        * layout.h (class Layout): Update declarations.
+        * output.h (class Output_section): Add is_interp, set_is_interp,
+        is_dynamic_linker_section, set_is_dynamic_linker_section methods.
+        Add is_interp_, is_dynamic_linker_section_ fields.  Change
+        generate_code_fills_at_write_ to a bitfield.
+        * output.cc (Output_section::Output_sections): Initialize new
+        fields.
+        (Output_segment::add_output_section): Add do_sort parameter.
+        Change all callers.
+
+2009-11-03  Ian Lance Taylor  <iant@google.com>
+
+        PR 10860
+        * options.h (class General_options): Add --warn-common.
+        * resolve.cc (Symbol_table::resolve): Handle --warn-common when
+        merging two common symbols.
+        (Symbol_table::should_override): Handle --warn-common when merging
+        a common symbol with a defined symbol.  Use report_resolve_problem
+        for multiple definitions.
+        (Symbol_table::report_resolve_problem): New function.
+        * symtab.h (class Symbol_table): Declare report_resolve_problem.
+
+2009-11-03  Ian Lance Taylor  <iant@google.com>
+
+        PR 10893
+        * defstd.cc (in_section): Add entries for __rel_iplt_start,
+        __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
+
+2009-11-03  Ian Lance Taylor  <iant@google.com>
+
+        PR 10895
+        * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
+        --msgid-bugs-address.
+        (install-pdf): New target.
+        (install-data_yes): Look up one directory to find mkinstalldirs.
+
+2009-10-16  Doug Kwan  <dougkwan@google.com>
+
+        * output.cc (Output_segment::set_section_list_address): Cast
+        expressions to unsigned long long type to avoid format warnings.
+
 2009-10-15  Ian Lance Taylor  <iant@google.com>
 
         * script.cc (Script_options::add_symbol_assignment): Always add a
         dot assginment to script_sections_.
         * script-sections.cc (Script_sections::add_dot_assignment):
         Initialize if necessary.
 
         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
         program headers with no load segment if there is a linker script.
 
@@ skipping 4633 matching lines @@
         * symtab.cc (demangle): Likewise.
 
 2008-03-22  Ian Lance Taylor  <iant@google.com>
 
         * gold.h: Include <cstddef> and <sys/types.h>
         * options.h: Include <cstring>.
 
 2008-03-21  Ian Lance Taylor  <iant@google.com>
 
         * Added source code to GNU binutils.