* amd64fbsd-nat.c (amd64fbsd_supply_pcb): Conditionally compile in
        support for pcb->pcb_{fs,ds,es,gs} on FreeBSD older than 8.0.

2009-10-16  Doug Kwan  <dougkwan@google.com>

* elfcpp/elfcpp.h (DT_PREINIT_ARRAY): Correct enum value.

daily update

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.
* testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
(check_DATA): Add no_version_test.stdout.
(libno_version_test.so, no_version_test.o no_version_test.stdout):
New make rules.
* testsuite/Makefile.in: Regenerate.
* testsuite/no_version_test.c: New file.
* testsuite/no_version_test.sh: Ditto.

* MAINTAINERS: Add myself as m32r maintainer.

2009-10-16  Doug Kwan  <dougkwan@google.com>

* expression.cc (class Segment_start_expression): New class definition.
(Segment_start_expression::value): New method definition.
(script_exp_function_segment_start): Return a new
Segment_start_expression.
* gold/script-c.h (script_saw_segment_start_expression): New function
prototype.
* script-sections.cc (Script_sections::Script_sections): Initialize
SAW_SEGMENT_START_EXPRESSION_ to false.
(Script_sections::set_section_addresses): Use -Ttext, -Tdata
and -Tbbs options to specify section addresses if given in
command line and no SEGMENT_START expression is seen in a script.
* script-sections.h (Script_sections::saw_segment_start_expression,
Script_sections::set_saw_segment_start_expression): New method
definition.
(Script_sections::saw_segment_start_expression_): New data member
declaration.
* script.cc (script_saw_segment_start_expression): New function.
* yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
* testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
script_test_7.sh and script_test_8.sh.
(check_DATA): Add script_test_6.stdout, script_test_7.stdout and
script_test_8.stdout.
(MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
(script_test_6, script_test_6.stdout, script_test_7,
script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
* Makefile.in: Regenerate.
* testsuite/script_test_6.sh: New file.
* testsuite/script_test_6.t: Same.
* testsuite/script_test_7.sh: Same.
* testsuite/script_test_7.t: Same.
* testsuite/script_test_8.sh: Same.

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.

* MAINTAINERS: Add myself as m32r maintainer.

2009-10-16  H.J. Lu  <hongjiu.lu@intel.com>

PR gas/10775
* doc/c-i386.texi: Mention the 8 extra control registers for
x86-64.
Mention .code64 directive.

2009-10-16  H.J. Lu  <hongjiu.lu@intel.com>

* i386-opc.h: Use enum instead of nested macros.

    * emultempl/pe.em (OPTION_EXCLUDE_ALL_SYMBOLS): New macro.
        (gld${EMULATION_NAME}_add_options): Add new --exclude-all-symbols option
        to exclude all symbols from automatic export.
        (gld_${EMULATION_NAME}_list_options): Describe it.
        (gld${EMULATION_NAME}_handle_option): Handle it.
        * emultempl/pep.em: Likewise to all the above.
        * pe-dll.c (pe_dll_exclude_all_symbols): New variable.
        (process_def_file_and_drectve): Use it.
        * pe-dll.h (pe_dll_exclude_all_symbols): Declare.
        * pep-dll.c (pep_dll_exclude_all_symbols): Define pep_ alias.
        * pep-dll.h (pe_dll_exclude_all_symbols): Declare.
        * NEWS: Mention the new feature.
        * ld.texinfo: Document the new command line switch.

2009-10-16  H.J. Lu  <hongjiu.lu@intel.com>

* i386-dis.c: Simplify enums.

    PR 10764
        * Makefile.am (sysinfo.o, syslex.o): Place source file after all
        command line switches.
        * Makefile.in: Regenerate.

    PR 10768
        * dlltool.c (bfd_get_errmsg): New macro.
        (scan_obj_file): Use it.
        (make_one_lib_file): Use it.
        (make_head): Use it.
        (make_delay_head): Use it.
        (make_tail): Use it.
        (gen_lib_file): Use it.
        (identify_dll_for_implib): Use it.
        (identify_search_archive):  Use it.

    * bootstrap.exp: Detect if plugins are enabled. Skip the static
        link test and add -ldl to the remaining tests if they are.

    * readelf.c (usage): Add mention of --debug-dump=frames-interp.
        Wrap output to 80 columns.
        * objdump.c (usage): Likewise.
        * doc/binutils.texi (readelf): Add note about =frames-interp.

PR binutils/10785
* coff-alpha.c (alpha_ecoff_get_elt_at_filepos): Don't bfd_alloc
bim and bim->buffer.  bfd_malloc instead.
* peicode.h (pe_ILF_build_a_bfd): Similarly.
(ILF_DATA_SIZE): Don't include bim.
* opncls.c (bfd_close): Test bim->buffer non-NULL before freeing.

* 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.

* layout.cc (Layout::set_segment_offsets): Align the file offset
to the segment aligment for -N or -n with no load segment.
* output.cc (Output_segment::add_output_section): Don't crash if
the first section is a TLS section.
(Output_segment::set_section_list_addresses): Print an error
message if the address moves backward in a linker script.
* script-sections.cc
(Output_section_element_input::set_section_addresses): Don't
increase *dot_value for a SHF_TLS/SHT_NOBITS section.
(Orphan_output_section::set_section_addresses): Likewise.

*** empty log message ***

daily update

2009-10-15  H.J. Lu  <hongjiu.lu@intel.com>
    Ineiev <ineiev@gmail.com>

PR binutils/10767
* i386-dis.c: Use enum instead of nested macros.

2009-10-15  H.J. Lu  <hongjiu.lu@intel.com>

* i386-dis.c (MAX_BYTEMODE): Removed.

* MAINTAINERS: Add self as MicroBlaze maintainer.

* config/djgpp/fnchange.lst: Add translations for cpu-microblaze.c,
elf32-microblaze.c, microblaze-rom.c, microblaze-linux-tdep.c,
microblaze-tdep.h, microblaze-tdep.c, microblaze-opc.h,
microblaze-opcm.h, microblaze-dis.c, microblaze-dis.h, sim/microblaze,
microblaze.h, and microblaze.isa.
* configure.tgt: Add targets microblaze*-linux-*, microblaze*-xilinx-*.
* Makefile.in: Build microblaze-tdep.o, microblaze-linux-tdep.o.
HFILES_NO_SRCDIR: Add microblaze-tdep.h.
* microblaze-linux-tdep.c: New.
* microblaze-tdep.c: New.
* microblaze-tdep.h: New.
* NEWS: Announce Xilinx MicroBlaze support.

2009-10-15  Doug Kwan  <dougkwan@google.com>

* layout.cc (Layout::finish_dynamic_section): Generate tags
DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.

Forgot to mention PR gdb/10757.

2009-10-15  Paul Pluzhnikov  <ppluzhnikov@google.com>

* linux-nat.c (linux_nat_post_attach_wait): Adjust assert.
(lin_lwp_attach_lwp, linux_nat_attach): Handle disappearing LWP.

2009-10-15  Michael Snyder  <msnyder@vmware.com>

* record.c (record_insn_max_num): Make unsigned.
(_initialize_record): Use uinteger instead of zinteger for
set command, so that it will report "unlimited" for zero.

2009-10-15  Michael Snyder  <msnyder@vmware.com>

* record.c (record_reg_alloc): New function.
(record_reg_release): New function.
(record_mem_alloc): New function.
(record_mem_release): New function.
(record_end_alloc): New function.
(record_end_release): New function.
(record_entry_release): New function.
(record_list_release): Simplify, call record_entry_release.
(record_list_release_next): Rename to record_list_release_following.
Simplify and call record_entry_release.
(record_list_release_first): Simplify, comment, and use
record_entry_release.
(record_arch_list_add_reg): Simplify, call record_reg_alloc.
(record_arch_list_add_mem): Simplify, call record_mem_alloc.
(record_arch_list_add_end): Simplify, call record_end_alloc.

merge from gcc

2009-10-12  Michael Snyder  <msnyder@vmware.com>

* record.c (record_list_release_first): Do not decrement
record_insn_num.
(set_insn_num_max): Remove printf.
Decrement record_insn_num in the loop.

2009-10-15  Joel Sherrill <joel.sherrill@oarcorp.com>

* std-config.h: Fix spelling error.

2009-10-15  Joel Sherrill <joel.sherrill@oarcorp.com>

* sim-inline.h: Fix spelling error.

PR gas/1491
gas/
* macro.c: Delete unnecessary function declarations.
(buffer_and_nest): Support multiple labels per line for
LABELS_WITHOUT_COLONS targets if the labels do have colons.
(free_macro): Move so that we don't need forward declaration.
* read.c (read_a_source_file): Take a copy of macro expansion line
before we trim labels.
* listing.c (listing_newline): Adjust stdin line save for
input_line_pointer still at start of line.
gas/testsuite/
* gas/macros/dot.s: Don't start macro invocations is first column.
* gas/macros/dot.l: Update.
* gas/macros/macros.exp: Run dot test on more targets.

2009-10-15  Jim Blandy  <jimb@red-bean.com>

* libgnuintl.h (_INTL_MAY_RETURN_STRING_ARG, gettext, dgettext)
(dcgettext, ngettext, dngettext, dcngettext): Backport changes
from current gettext to provide GCC format_arg attributes.

* object.h (class Relocate_info): Add reloc_shdr and data_shdr
fields.
* object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
data_shdr fields of relinfo.
* i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
(Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
R_386_TLS_LDO_32, adjust based on section flags.
(Target_i386::Relocate::fix_up_ldo): Remove.

*** empty log message ***

2009-10-14  Cary Coutant  <ccoutant@google.com>

* dwarf2read.c (read_import_statement): Call follow_die_ref_or_sig.

* ld-scripts/phdrs3.d: Allow colon in name of linker binary.

daily update

* dwarf2read.c (dwarf2_const_value): Fix order of arguments to
store_unsigned_integer.

Remove spurious gdb/ ...

gdb/
* configure.ac (build_warnings): Add -Wunused-value.
* configure: Regenerate.

2009-10-14  Tristan Gingold  <gingold@adacore.com>

* solib-darwin.c: Remove trailing whitespaces.
(darwin_dyld_version_ok): Fix typo.

PR 969
* m68k-opc.c (m68k_opcodes): Correct mask for macl and msacl.

* ldlex.l (yy_input): Remove second argument and return the value
instead.
(YY_INPUT): Adjust.

* ld-elf/pr349-1.s, * ld-elf/pr349-2.s, * ld-elf/pr349.d: New.

2009-10-14  Andrew Stubbs  <ams@codesourcery.com>

* sh-tdep.c (sh_gdbarch_init): Add show_regs settings for
bfd_mach_sh3_nommu, bfd_mach_sh2a_nofpu_or_sh3_nommu,
bfd_mach_sh2a_or_sh3e, bfd_mach_sh2a_or_sh4, bfd_mach_sh4_nommu_nofpu,
and bfd_mach_sh2a_nofpu_or_sh4_nommu_nofpu.
Move bfd_mach_sh2a_or_sh4 to use the same configuration as
bfd_mach_sh4.

include/
* bfdlink.h (enum bfd_link_common_skip_ar_symbols): Rename from
bfd_link_common_skip_ar_aymbols.
(struct bfd_link_info): Here too.
bfd/
* aoutx.h (aout_link_check_ar_symbols): Typo fix.
ld/
* emultempl/netbsd.em (gldnetbsd_before_parse): Typo fix.

Add support for -pie.
* options.h (class General_options): Add -pie and
--pic-executable.
(General_options::output_is_position_independent): Test -pie.
(General_options::output_is_executable): Return true if not shared
and not relocatable.
(General_options::output_is_pie): Remove.
* options.cc (General_options::finalize): Reject incompatible uses
of -pie.
* gold.cc (queue_middle_tasks): A -pie link is not static.
* symtab.h (Symbol::needs_plt_entry): Return false if -pie.
* symtab.cc (Symbol::final_value_is_known): Return false if
output_is_position_independent.
* layout.cc (Layout::set_segment_offsets): Start at address 0 if
output_is_position_independent.
* output.cc (Output_file_header::do_sized_write): Use ET_DYN if
output_is_position_independent.
* i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
output_is_position_independent.
* testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
two_file_pie_test.
(basic_pie_test.o, basic_pie_test): New targets.
(two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
(two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
(two_file_pie_test): New target.
* testsuite/Makefile.in: Rebuild.
* README: Remove note saying that -pie is not supported.

* ldlang.c (load_symbols): Set whole_archive from entry when
parsing a linker script.

*** empty log message ***

* MAINTAINERS (common): Move myself to "past maintainers" section.

daily update

* arm-tdep.c (arm_push_dummy_call): Set the low bit of LR for
a Thumb entry point.
(thumb_get_next_pc): Handle Thumb-2 and ARM v6 instructions.  Refuse
to single step into IT blocks.

* options.h (class General_options): Add -init and -fini.
* layout.cc (Layout::finish_dynamic_section): Emit
given init and fini functions.

* gc.h (gc_process_relocs): Check if icf is enabled using new
function.
* gold.cc (queue_initial_tasks): Likewise.
(queue_middle_tasks): Likewise.
* object.cc (do_layout): Likewise.
* symtab.cc (is_section_folded): Likewise.
* main.cc (main): Likewise.
* reloc.cc (Read_relocs::run): Likewise.
(Sized_relobj::do_scan_relocs): Likewise.
* icf.cc (is_function_ctor_or_dtor): New function.
(Icf::find_identical_sections): Check if function is ctor or dtor when
safe icf is chosen.
* options.h (General_options::icf): Change option to be an enum.
(Icf_status): New enum.
(icf_enabled): New method.
(icf_safe_folding): New method.
(set_icf_status): New method.
(icf_status_): New variable.
* (options.cc) (General_options::finalize): Set icf_status_.
* testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
icf_test and icf_keep_unique_test to use the --icf enum flag.
* testsuite/icf_safe_test.sh: New file.
* testsuite/icf_safe_test.cc: New file.

2009-10-13  H.J. Lu  <hongjiu.lu@intel.com>

* i386-dis.c (print_insn): Always clear need_vex, need_vex_reg
and vex_w_done.

Fix a typo.

2009-10-13  H.J. Lu  <hongjiu.lu@intel.com>

PR binutils/10766
* config/tc-i386.c (build_modrm_byte): Declare exp earlier.

2009-10-13  H.J. Lu  <hongjiu.lu@intel.com>

PR binutils/10763
* elf32-i386.c (elf_i386_finish_dynamic_symbol): Declare plt
earlier.

gas/

2009-10-13  H.J. Lu  <hongjiu.lu@intel.com>

PR gas/10740
* config/tc-i386-intel.c (i386_intel_operand): Handle call
and jump with 2 immediate operands.

* config/tc-i386.c (i386_finalize_immediate): Don't generate
error message if operand string is NULL.

gas/testsuite/

2009-10-13  H.J. Lu  <hongjiu.lu@intel.com>

PR gas/10740
* gas/i386/jump.s: Add new tests.
* gas/i386/jump16.s: Likewise.

* gas/i386/jump.d: Updated.
* gas/i386/jump16.d: Likewise.

2009-10-13  Pedro Alves  <pedro@codesourcery.com>

gdb/
* infcall.c (call_function_by_hand): Formatting.

2009-10-13  Pedro Alves  <pedro@codesourcery.com>

gdb/gdbserver/
* proc-service.c (ps_lgetregs): Formatting.

2009-10-13  Tristan Gingold  <gingold@adacore.com>

* solib-darwin.c: Add an empty line after comment for functions.
(struct gdb_dyld_all_image_infos): Improve comment.
(DYLD_VERSION): Removed and replaced by ...
(DYLD_VERSION_MAX, DYLD_VERSION_MIN): ... New macros.
(darwin_dyld_version_ok): New function.
(darwin_load_image_infos): Call darwin_dyld_version_ok.
(darwin_current_sos): Ditto.
(darwin_solib_create_inferior_hook): Ditto.

2009-10-13  Tristan Gingold  <gingold@adacore.com>

* machoread.c: Add an empty line after comment for functions.
(oso_el_compare_name): New function.
(macho_add_oso_symfile): New function.
(macho_oso_symfile): Use macho_add_oso_symfile.  Sort the oso
and optimize accesses to libraries.

gas:
2009-10-07  Vincent Riviere  <vincent.riviere@freesbee.fr>

        PR gas/3041
        * config/tc-m68k.c (tc_gen_reloc): Fix addend for relocations
        located in data section an referencing a weak symbol.

gas/testsuite:

2009-10-07  Vincent Riviere  <vincent.riviere@freesbee.fr>

        PR gas/3041
        * gas/m68k/all.exp: Added "p3041data".
        * gas/m68k/p3041.d, gas/m68k/p3041.s: Added tests of weak references
        from text section to all possible sections.
        * gas/m68k/p3041data.d, gas/m68k/p3041data.s: New test. Check weak
        references from data section.

2009-10-12  Tristan Gingold  <gingold@adacore.com>

* gdb.base/sepdebug.exp: Check debug info are found.

2009-10-12  Tristan Gingold  <gingold@adacore.com>

* objfiles.c (objfile_has_symbols): New function.
* objfiles.h (objfile_has_symbols): Add prototype.
* symfile.c (symbol_file_add_with_addrs_or_offsets): Call
objfile_has_symbols.
(reread_symbols): Ditto.

* elflink.c (_bfd_elf_merge_symbol): Revert previous patch.

Fix toplevel 'config.status --recheck' for --enable-lto.

/:
* configure.ac: Add 'lto' to enable_languages, not
new_enable_languages, and only if not already present.
* configure: Regenerate.

Fix %s that should be %B in several message formats.

* symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
includes to gc.h and icf.h.
* arm.cc: Include gc.h.
* gold.cc: Likewise.
* i386.cc: Likewise.
* powerpc.cc: Likewise.
* sparc.cc: Likewise.
* x86_64.cc: Likewise.
* gc.h: Include icf.h.

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daily update

doc/
2009-10-08  Paul Pluzhnikov  <ppluzhnikov@google.com>

* gdb.texinfo (Server): Document libthread-db-search-path.

gdbserver/
2009-10-08  Paul Pluzhnikov  <ppluzhnikov@google.com>

* acinclude.m4: (SRV_CHECK_THREAD_DB, SRV_CHECK_TLS_GET_ADDR): Remove.
* configure.ac: Adjust.
* linux-low.h (struct process_info_private): Move members to struct
thread_db.
(thread_db_free, thread_db_handle_monitor_command): New prototype.
* linux-low.c (linux_remove_process): Adjust.
(linux_wait_for_event_1, linux_look_up_symbols): Likewise.
* server.c (handle_query): Move code ...
(handle_monitor_command): ... here. New function.
* target.h (struct target_ops): New member.
* thread-db.c (struct thread_db): New.
(libthread_db_search_path): New variable.
(thread_db_create_event, thread_db_enable_reporting)
(find_one_thread, maybe_attach_thread, find_new_threads_callback)
(thread_db_find_new_threads, (thread_db_get_tls_address): Adjust.
(try_thread_db_load_1, dladdr_to_soname): New functions.
(try_thread_db_load, thread_db_load_search): New functions.
(thread_db_init): Search for libthread_db.
(thread_db_free): New function.
(thread_db_handle_monitor_command): Likewise.
* config.in: Regenerate.
* configure: Regenerate.

2009-10-12  Jiang Jilin  <freephp@gmail.com>

* i386-tdep.c (i386_process_record): Add xgetbv/xsetbv
instructions support.

* plugin.cc: Include "gold.h" before other header files.

2009-10-11  Michael Snyder  <msnyder@vmware.com>

* gdb.texinfo (ReverseStep): Show default as "unsupported".
(ReverseContinue): Ditto.

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daily update

* procfs.c (procfs_make_note_section): Go back to only outputing
an NT_PSTATUS note when UNIXWARE is defined.

* features/xinclude.dtd: Correct EMPTY typo.

2009-10-09  Michael Snyder  <msnyder@vmware.com>

* i386-tdep.c (i386_process_record): Or-equals, not not-equals.

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daily update

* mi/mi-cmd-stack.c (list_args_or_locals): Use internal_error.
Put "break" statements on their own line.

2009-10-10  Chris Demetriou  <cgd@google.com>

* options.h (Input_file_argument::Input_file_type): New enum.
(Input_file_argument::is_lib_): Replace with...
(Input_file_argument::type_): New member.
(Input_file_argument::Input_file_argument): Take Input_file_type
'type' rather than boolean 'is_lib' as second argument.
(Input_file_argument::is_lib): Use type_.
(Input_file_argument::is_searched_file): New function.
(Input_file_argument::may_need_search): Handle is_searched_file.
* options.cc (General_options::parse_library): Support -l:filename.
(General_options::parse_just_symbols): Update for Input_file_argument
changes.
(Command_line::process): Likewise.
* archive.cc (Archive::get_file_and_offset): Likewise.
* plugin.cc (Plugin_manager::release_input_file): Likewise.
* script.cc (read_script_file, script_add_file): Likewise.
* fileread.cc (Input_file::Input_file): Likewise.
(Input_file::will_search_for): Handle is_searched_file.
(Input_file::open): Likewise.
* readsyms.cc (Read_symbols::get_name): Likewise.
* testsuite/Makefile.am (searched_file_test): New test.
* testsuite/Makefile.in: Regenerate.
* testsuite/searched_file_test.cc: New file.
* testsuite/searched_file_test_lib.cc: New file.

* cofflink.c (_bfd_coff_link_input_bfd): Skip section symbols for
excluded output sections.

* descriptor.cc: Include <cstdio> and "binary-io.h".
(Descriptors::open): Open the files in binary mode always.
* script.cc (Lex::get_token): Treat \r as whitespace.

Revert 2009-09-28 changes.

* testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.

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* configure.ac: Check for readv function also.
* fileread.cc (readv): Define if not HAVE_READV.
* fileread.h (File_read:: max_readv_entries): Set to 1 if readv
does not exist.
* config.in: Regenerate.
* configure: Regenerate.

2009-10-09  Doug Kwan  <dougkwan@google.com>

* layout.cc (Layout::make_output_section): Call target hook to make
ordinary output section.
(Layout::finalize): Adjust parameter list of call the
Target::may_relax().
* layout.h (class Layout::section_list): New method.
* merge.h (Output_merge_base::entsize): Change visibility to public.
(Output_merge_base::is_string, Output_merge_base::do_is_string):
New methods.
(Output_merge_string::do_is_string): New method.
* object.cc (Sized_relobj::do_setup): renamed from
Sized_relobj::set_up.
* object.h (Sized_relobj::adjust_shndx,
Sized_relobj::initializ_input_to_output_maps,
Sized_relobj::free_input_to_output_maps): Change visibilities to
protected.
(Sized_relobj::setup): Virtualize.
(Sized_relobj::do_setup): New method declaration.
(Sized_relobj::invalidate_section_offset,
Sized_relobj::do_invalidate_section_offset): New method decfinitions.
(Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
* options.cc (parse_int): New function.
* options.h (parse_int): New declaration.
(DEFINE_int): New macro.
(stub_group_size): New option.
* output.cc (Output_section::Output_section): Initialize memebers
merge_section_map_, merge_section_by_properties_map_,
relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
(Output_section::add_input_section): Handled deferred code-fill
generation and remove an old comment.
(Output_section::add_relaxed_input_section): New method definition.
(Output_section::add_merge_input_section): Use merge section by
properties map to speed to search.  Update merge section maps
as appropriate.
(Output_section::build_relaxation_map): New method definition.
(Output_section::convert_input_sections_in_list_to_relaxed_sections):
Same.
(Output_section::relax_input_section): Renamed to
Output_section::convert_input_sections_to_relaxed_sections and change
interface to take a vector of pointers to relaxed sections.
(Output_section::find_merge_section,
Output_section::find_relaxed_input_section): New method definitions.
(Output_section::is_input_address_mapped,
Output_section::output_offset, Output_section::output_address):
Use output section data maps to speed up searching.
(Output_section::find_starting_output_address): Add comments.
(Output_section::do_write,
Output_section::write_to_postprocessing_buffer): Do code-fill
generation as appropriate.
(Output_section::get_input_sections): Invalidate relaxed input section
map.
(Output_section::restore_states): Adjust type of checkpoint .
Invalidate relaxed input section map.
* output.h (Output_merge_base): New class declaration.
(Input_section_specifier): New class defintion.
(class Output_relaxed_input_section) Change base class to
Output_section_data_build.
(Output_relaxed_input_section::Output_relaxed_input_section): Adjust
base class initializer.
(Output_section::add_relaxed_input_section): New method declaration.
(Output_section::Input_section): Change visibility to protected.
      (Output_section::Input_section::relobj,
Output_section::Input_section::shndx): Handle relaxed input sections.
Output_section::input_sections) Change visibility to protected.  Also
define overload to return a non-const pointer.
(Output_section::Merge_section_properties): New class defintion.
(Output_section::Merge_section_by_properties_map,
Output_section::Output_section_data_by_input_section_map,
Output_section::Relaxation_map): New types.
(Output_section::relax_input_section): Rename method to
Output_section::convert_input_sections_to_relaxed_sections and change
interface to take a vector of relaxed section pointers.
(Output_section::find_merge_section,
Output_section::find_relaxed_input_section,
Output_section::build_relaxation_map,
Output_section::convert_input_sections_in_list_to_relaxed_sections):
New method declarations.
(Output_section::merge_section_map_
Output_section::merge_section_by_properties_map_,
Output_section::relaxed_input_section_map_,
Output_section::is_relaxed_input_section_map_valid_,
Output_section::generate_code_fills_at_write_): New data members.
* script-sections.cc
(Output_section_element_input::set_section_addresses): Call
current_data_size and addralign methods of relaxed input sections.
(Orphan_output_section::set_section_addresses): Call current_data_size
and addralign methods of relaxed input sections.
* symtab.cc (Symbol_table::compute_final_value): Extract template
from the body of Symbol_table::sized_finalize_symbol.
(Symbol_table::sized_finalized_symbol): Call
Symbol_table::compute_final_value.
* symtab.h (Symbol_table::Compute_final_value_status): New enum type.
(Symbol_table::compute_final_value): New templated method declaration.
* target.cc (Target::do_make_output_section): New method defintion.
* target.h (Target::make_output_section): New method declaration.
(Target::relax): Add more parameters for input objects, symbol table
and layout.  Adjust call to do_relax.
(Target::do_make_output_section): New method declaration.
(Target::do_relax): Add parameters for input objects, symbol table
and layout.

* pread.c: Include stdio.h.

* plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
defined.

* dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
Change read_shndx type to unsigned int.
(Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
int.
(Sized_dwarf_line_info::read_line_mappings): Likewise.
* dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
Change read_shndx type to unsigned int.
(Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
int.
(Sized_dwarf_line_info::read_line_mappings): Likewise.
* layout.cc (Layout::create_symtab_sections): Cast the result of
local_symcount * symsize to off_t in the gold_assert.