Remove old versions of binutils.

Change-Id: If634d8d30cfa8c88ca3ba59691a0df4ee5596f85

1 files changed, 0 insertions, 5617 deletions

diff --git a/binutils-2.22/gold/layout.cc b/binutils-2.22/gold/layout.cc
deleted file mode 100644
index bad1a522..00000000
--- a/binutils-2.22/gold/layout.cc
+++ /dev/null
@@ -1,5617 +0,0 @@
-// layout.cc -- lay out output file sections for gold
-
-// Copyright 2006, 2007, 2008, 2009, 2010, 2011, 2012
-// Free Software Foundation, Inc.
-// Written by Ian Lance Taylor <iant@google.com>.
-
-// This file is part of gold.
-
-// This program is free software; you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation; either version 3 of the License, or
-// (at your option) any later version.
-
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
-// MA 02110-1301, USA.
-
-#include "gold.h"
-
-#include <cerrno>
-#include <cstring>
-#include <algorithm>
-#include <iostream>
-#include <fstream>
-#include <utility>
-#include <fcntl.h>
-#include <fnmatch.h>
-#include <unistd.h>
-#include "libiberty.h"
-#include "md5.h"
-#include "sha1.h"
-
-#include "parameters.h"
-#include "options.h"
-#include "mapfile.h"
-#include "script.h"
-#include "script-sections.h"
-#include "output.h"
-#include "symtab.h"
-#include "dynobj.h"
-#include "ehframe.h"
-#include "gdb-index.h"
-#include "compressed_output.h"
-#include "reduced_debug_output.h"
-#include "object.h"
-#include "reloc.h"
-#include "descriptors.h"
-#include "plugin.h"
-#include "incremental.h"
-#include "layout.h"
-
-namespace gold
-{
-
-// Class Free_list.
-
-// The total number of free lists used.
-unsigned int Free_list::num_lists = 0;
-// The total number of free list nodes used.
-unsigned int Free_list::num_nodes = 0;
-// The total number of calls to Free_list::remove.
-unsigned int Free_list::num_removes = 0;
-// The total number of nodes visited during calls to Free_list::remove.
-unsigned int Free_list::num_remove_visits = 0;
-// The total number of calls to Free_list::allocate.
-unsigned int Free_list::num_allocates = 0;
-// The total number of nodes visited during calls to Free_list::allocate.
-unsigned int Free_list::num_allocate_visits = 0;
-
-// Initialize the free list.  Creates a single free list node that
-// describes the entire region of length LEN.  If EXTEND is true,
-// allocate() is allowed to extend the region beyond its initial
-// length.
-
-void
-Free_list::init(off_t len, bool extend)
-{
-  this->list_.push_front(Free_list_node(0, len));
-  this->last_remove_ = this->list_.begin();
-  this->extend_ = extend;
-  this->length_ = len;
-  ++Free_list::num_lists;
-  ++Free_list::num_nodes;
-}
-
-// Remove a chunk from the free list.  Because we start with a single
-// node that covers the entire section, and remove chunks from it one
-// at a time, we do not need to coalesce chunks or handle cases that
-// span more than one free node.  We expect to remove chunks from the
-// free list in order, and we expect to have only a few chunks of free
-// space left (corresponding to files that have changed since the last
-// incremental link), so a simple linear list should provide sufficient
-// performance.
-
-void
-Free_list::remove(off_t start, off_t end)
-{
-  if (start == end)
-    return;
-  gold_assert(start < end);
-
-  ++Free_list::num_removes;
-
-  Iterator p = this->last_remove_;
-  if (p->start_ > start)
-    p = this->list_.begin();
-
-  for (; p != this->list_.end(); ++p)
-    {
-      ++Free_list::num_remove_visits;
-      // Find a node that wholly contains the indicated region.
-      if (p->start_ <= start && p->end_ >= end)
-	{
-	  // Case 1: the indicated region spans the whole node.
-	  // Add some fuzz to avoid creating tiny free chunks.
-	  if (p->start_ + 3 >= start && p->end_ <= end + 3)
-	    p = this->list_.erase(p);
-	  // Case 2: remove a chunk from the start of the node.
-	  else if (p->start_ + 3 >= start)
-	    p->start_ = end;
-	  // Case 3: remove a chunk from the end of the node.
-	  else if (p->end_ <= end + 3)
-	    p->end_ = start;
-	  // Case 4: remove a chunk from the middle, and split
-	  // the node into two.
-	  else
-	    {
-	      Free_list_node newnode(p->start_, start);
-	      p->start_ = end;
-	      this->list_.insert(p, newnode);
-	      ++Free_list::num_nodes;
-	    }
-	  this->last_remove_ = p;
-	  return;
-	}
-    }
-
-  // Did not find a node containing the given chunk.  This could happen
-  // because a small chunk was already removed due to the fuzz.
-  gold_debug(DEBUG_INCREMENTAL,
-	     "Free_list::remove(%d,%d) not found",
-	     static_cast<int>(start), static_cast<int>(end));
-}
-
-// Allocate a chunk of size LEN from the free list.  Returns -1ULL
-// if a sufficiently large chunk of free space is not found.
-// We use a simple first-fit algorithm.
-
-off_t
-Free_list::allocate(off_t len, uint64_t align, off_t minoff)
-{
-  gold_debug(DEBUG_INCREMENTAL,
-	     "Free_list::allocate(%08lx, %d, %08lx)",
-	     static_cast<long>(len), static_cast<int>(align),
-	     static_cast<long>(minoff));
-  if (len == 0)
-    return align_address(minoff, align);
-
-  ++Free_list::num_allocates;
-
-  // We usually want to drop free chunks smaller than 4 bytes.
-  // If we need to guarantee a minimum hole size, though, we need
-  // to keep track of all free chunks.
-  const int fuzz = this->min_hole_ > 0 ? 0 : 3;
-
-  for (Iterator p = this->list_.begin(); p != this->list_.end(); ++p)
-    {
-      ++Free_list::num_allocate_visits;
-      off_t start = p->start_ > minoff ? p->start_ : minoff;
-      start = align_address(start, align);
-      off_t end = start + len;
-      if (end > p->end_ && p->end_ == this->length_ && this->extend_)
-	{
-	  this->length_ = end;
-	  p->end_ = end;
-	}
-      if (end == p->end_ || (end <= p->end_ - this->min_hole_))
-	{
-	  if (p->start_ + fuzz >= start && p->end_ <= end + fuzz)
-	    this->list_.erase(p);
-	  else if (p->start_ + fuzz >= start)
-	    p->start_ = end;
-	  else if (p->end_ <= end + fuzz)
-	    p->end_ = start;
-	  else
-	    {
-	      Free_list_node newnode(p->start_, start);
-	      p->start_ = end;
-	      this->list_.insert(p, newnode);
-	      ++Free_list::num_nodes;
-	    }
-	  return start;
-	}
-    }
-  if (this->extend_)
-    {
-      off_t start = align_address(this->length_, align);
-      this->length_ = start + len;
-      return start;
-    }
-  return -1;
-}
-
-// Dump the free list (for debugging).
-void
-Free_list::dump()
-{
-  gold_info("Free list:\n     start      end   length\n");
-  for (Iterator p = this->list_.begin(); p != this->list_.end(); ++p)
-    gold_info("  %08lx %08lx %08lx", static_cast<long>(p->start_),
-	      static_cast<long>(p->end_),
-	      static_cast<long>(p->end_ - p->start_));
-}
-
-// Print the statistics for the free lists.
-void
-Free_list::print_stats()
-{
-  fprintf(stderr, _("%s: total free lists: %u\n"),
-	  program_name, Free_list::num_lists);
-  fprintf(stderr, _("%s: total free list nodes: %u\n"),
-	  program_name, Free_list::num_nodes);
-  fprintf(stderr, _("%s: calls to Free_list::remove: %u\n"),
-	  program_name, Free_list::num_removes);
-  fprintf(stderr, _("%s: nodes visited: %u\n"),
-	  program_name, Free_list::num_remove_visits);
-  fprintf(stderr, _("%s: calls to Free_list::allocate: %u\n"),
-	  program_name, Free_list::num_allocates);
-  fprintf(stderr, _("%s: nodes visited: %u\n"),
-	  program_name, Free_list::num_allocate_visits);
-}
-
-// Layout::Relaxation_debug_check methods.
-
-// Check that sections and special data are in reset states.
-// We do not save states for Output_sections and special Output_data.
-// So we check that they have not assigned any addresses or offsets.
-// clean_up_after_relaxation simply resets their addresses and offsets.
-void
-Layout::Relaxation_debug_check::check_output_data_for_reset_values(
-    const Layout::Section_list& sections,
-    const Layout::Data_list& special_outputs)
-{
-  for(Layout::Section_list::const_iterator p = sections.begin();
-      p != sections.end();
-      ++p)
-    gold_assert((*p)->address_and_file_offset_have_reset_values());
-
-  for(Layout::Data_list::const_iterator p = special_outputs.begin();
-      p != special_outputs.end();
-      ++p)
-    gold_assert((*p)->address_and_file_offset_have_reset_values());
-}
-
-// Save information of SECTIONS for checking later.
-
-void
-Layout::Relaxation_debug_check::read_sections(
-    const Layout::Section_list& sections)
-{
-  for(Layout::Section_list::const_iterator p = sections.begin();
-      p != sections.end();
-      ++p)
-    {
-      Output_section* os = *p;
-      Section_info info;
-      info.output_section = os;
-      info.address = os->is_address_valid() ? os->address() : 0;
-      info.data_size = os->is_data_size_valid() ? os->data_size() : -1;
-      info.offset = os->is_offset_valid()? os->offset() : -1 ;
-      this->section_infos_.push_back(info);
-    }
-}
-
-// Verify SECTIONS using previously recorded information.
-
-void
-Layout::Relaxation_debug_check::verify_sections(
-    const Layout::Section_list& sections)
-{
-  size_t i = 0;
-  for(Layout::Section_list::const_iterator p = sections.begin();
-      p != sections.end();
-      ++p, ++i)
-    {
-      Output_section* os = *p;
-      uint64_t address = os->is_address_valid() ? os->address() : 0;
-      off_t data_size = os->is_data_size_valid() ? os->data_size() : -1;
-      off_t offset = os->is_offset_valid()? os->offset() : -1 ;
-
-      if (i >= this->section_infos_.size())
-	{
-	  gold_fatal("Section_info of %s missing.\n", os->name());
-	}
-      const Section_info& info = this->section_infos_[i];
-      if (os != info.output_section)
-	gold_fatal("Section order changed.  Expecting %s but see %s\n",
-		   info.output_section->name(), os->name());
-      if (address != info.address
-	  || data_size != info.data_size
-	  || offset != info.offset)
-	gold_fatal("Section %s changed.\n", os->name());
-    }
-}
-
-// Layout_task_runner methods.
-
-// Lay out the sections.  This is called after all the input objects
-// have been read.
-
-void
-Layout_task_runner::run(Workqueue* workqueue, const Task* task)
-{
-  Layout* layout = this->layout_;
-  off_t file_size = layout->finalize(this->input_objects_,
-				     this->symtab_,
-				     this->target_,
-				     task);
-
-  // Now we know the final size of the output file and we know where
-  // each piece of information goes.
-
-  if (this->mapfile_ != NULL)
-    {
-      this->mapfile_->print_discarded_sections(this->input_objects_);
-      layout->print_to_mapfile(this->mapfile_);
-    }
-
-  Output_file* of;
-  if (layout->incremental_base() == NULL)
-    {
-      of = new Output_file(parameters->options().output_file_name());
-      if (this->options_.oformat_enum() != General_options::OBJECT_FORMAT_ELF)
-	of->set_is_temporary();
-      of->open(file_size);
-    }
-  else
-    {
-      of = layout->incremental_base()->output_file();
-
-      // Apply the incremental relocations for symbols whose values
-      // have changed.  We do this before we resize the file and start
-      // writing anything else to it, so that we can read the old
-      // incremental information from the file before (possibly)
-      // overwriting it.
-      if (parameters->incremental_update())
-	layout->incremental_base()->apply_incremental_relocs(this->symtab_,
-							     this->layout_,
-							     of);
-
-      of->resize(file_size);
-    }
-
-  // Queue up the final set of tasks.
-  gold::queue_final_tasks(this->options_, this->input_objects_,
-			  this->symtab_, layout, workqueue, of);
-}
-
-// Layout methods.
-
-Layout::Layout(int number_of_input_files, Script_options* script_options)
-  : number_of_input_files_(number_of_input_files),
-    script_options_(script_options),
-    namepool_(),
-    sympool_(),
-    dynpool_(),
-    signatures_(),
-    section_name_map_(),
-    segment_list_(),
-    section_list_(),
-    unattached_section_list_(),
-    special_output_list_(),
-    section_headers_(NULL),
-    tls_segment_(NULL),
-    relro_segment_(NULL),
-    interp_segment_(NULL),
-    increase_relro_(0),
-    symtab_section_(NULL),
-    symtab_xindex_(NULL),
-    dynsym_section_(NULL),
-    dynsym_xindex_(NULL),
-    dynamic_section_(NULL),
-    dynamic_symbol_(NULL),
-    dynamic_data_(NULL),
-    eh_frame_section_(NULL),
-    eh_frame_data_(NULL),
-    added_eh_frame_data_(false),
-    eh_frame_hdr_section_(NULL),
-    gdb_index_data_(NULL),
-    build_id_note_(NULL),
-    debug_abbrev_(NULL),
-    debug_info_(NULL),
-    group_signatures_(),
-    output_file_size_(-1),
-    have_added_input_section_(false),
-    sections_are_attached_(false),
-    input_requires_executable_stack_(false),
-    input_with_gnu_stack_note_(false),
-    input_without_gnu_stack_note_(false),
-    has_static_tls_(false),
-    any_postprocessing_sections_(false),
-    resized_signatures_(false),
-    have_stabstr_section_(false),
-    section_ordering_specified_(false),
-    incremental_inputs_(NULL),
-    record_output_section_data_from_script_(false),
-    script_output_section_data_list_(),
-    segment_states_(NULL),
-    relaxation_debug_check_(NULL),
-    section_order_map_(),
-    input_section_position_(),
-    input_section_glob_(),
-    incremental_base_(NULL),
-    free_list_()
-{
-  // Make space for more than enough segments for a typical file.
-  // This is just for efficiency--it's OK if we wind up needing more.
-  this->segment_list_.reserve(12);
-
-  // We expect two unattached Output_data objects: the file header and
-  // the segment headers.
-  this->special_output_list_.reserve(2);
-
-  // Initialize structure needed for an incremental build.
-  if (parameters->incremental())
-    this->incremental_inputs_ = new Incremental_inputs;
-
-  // The section name pool is worth optimizing in all cases, because
-  // it is small, but there are often overlaps due to .rel sections.
-  this->namepool_.set_optimize();
-}
-
-// For incremental links, record the base file to be modified.
-
-void
-Layout::set_incremental_base(Incremental_binary* base)
-{
-  this->incremental_base_ = base;
-  this->free_list_.init(base->output_file()->filesize(), true);
-}
-
-// Hash a key we use to look up an output section mapping.
-
-size_t
-Layout::Hash_key::operator()(const Layout::Key& k) const
-{
- return k.first + k.second.first + k.second.second;
-}
-
-// These are the debug sections that are actually used by gdb.
-// Currently, we've checked versions of gdb up to and including 7.4.
-// We only check the part of the name that follows ".debug_" or
-// ".zdebug_".
-
-static const char* gdb_sections[] =
-{
-  "abbrev",
-  "addr",         // Fission extension
-  // "aranges",   // not used by gdb as of 7.4
-  "frame",
-  "info",
-  "types",
-  "line",
-  "loc",
-  "macinfo",
-  "macro",
-  // "pubnames",  // not used by gdb as of 7.4
-  // "pubtypes",  // not used by gdb as of 7.4
-  "ranges",
-  "str",
-};
-
-// This is the minimum set of sections needed for line numbers.
-
-static const char* lines_only_debug_sections[] =
-{
-  "abbrev",
-  // "addr",      // Fission extension
-  // "aranges",   // not used by gdb as of 7.4
-  // "frame",
-  "info",
-  // "types",
-  "line",
-  // "loc",
-  // "macinfo",
-  // "macro",
-  // "pubnames",  // not used by gdb as of 7.4
-  // "pubtypes",  // not used by gdb as of 7.4
-  // "ranges",
-  "str",
-};
-
-// These sections are the DWARF fast-lookup tables, and are not needed
-// when building a .gdb_index section.
-
-static const char* gdb_fast_lookup_sections[] =
-{
-  "aranges",
-  "pubnames",
-  "pubtypes",
-};
-
-// Returns whether the given debug section is in the list of
-// debug-sections-used-by-some-version-of-gdb.  SUFFIX is the
-// portion of the name following ".debug_" or ".zdebug_".
-
-static inline bool
-is_gdb_debug_section(const char* suffix)
-{
-  // We can do this faster: binary search or a hashtable.  But why bother?
-  for (size_t i = 0; i < sizeof(gdb_sections)/sizeof(*gdb_sections); ++i)
-    if (strcmp(suffix, gdb_sections[i]) == 0)
-      return true;
-  return false;
-}
-
-// Returns whether the given section is needed for lines-only debugging.
-
-static inline bool
-is_lines_only_debug_section(const char* suffix)
-{
-  // We can do this faster: binary search or a hashtable.  But why bother?
-  for (size_t i = 0;
-       i < sizeof(lines_only_debug_sections)/sizeof(*lines_only_debug_sections);
-       ++i)
-    if (strcmp(suffix, lines_only_debug_sections[i]) == 0)
-      return true;
-  return false;
-}
-
-// Returns whether the given section is a fast-lookup section that
-// will not be needed when building a .gdb_index section.
-
-static inline bool
-is_gdb_fast_lookup_section(const char* suffix)
-{
-  // We can do this faster: binary search or a hashtable.  But why bother?
-  for (size_t i = 0;
-       i < sizeof(gdb_fast_lookup_sections)/sizeof(*gdb_fast_lookup_sections);
-       ++i)
-    if (strcmp(suffix, gdb_fast_lookup_sections[i]) == 0)
-      return true;
-  return false;
-}
-
-// Sometimes we compress sections.  This is typically done for
-// sections that are not part of normal program execution (such as
-// .debug_* sections), and where the readers of these sections know
-// how to deal with compressed sections.  This routine doesn't say for
-// certain whether we'll compress -- it depends on commandline options
-// as well -- just whether this section is a candidate for compression.
-// (The Output_compressed_section class decides whether to compress
-// a given section, and picks the name of the compressed section.)
-
-static bool
-is_compressible_debug_section(const char* secname)
-{
-  return (is_prefix_of(".debug", secname));
-}
-
-// We may see compressed debug sections in input files.  Return TRUE
-// if this is the name of a compressed debug section.
-
-bool
-is_compressed_debug_section(const char* secname)
-{
-  return (is_prefix_of(".zdebug", secname));
-}
-
-// Whether to include this section in the link.
-
-template<int size, bool big_endian>
-bool
-Layout::include_section(Sized_relobj_file<size, big_endian>*, const char* name,
-			const elfcpp::Shdr<size, big_endian>& shdr)
-{
-  if (!parameters->options().relocatable()
-      && (shdr.get_sh_flags() & elfcpp::SHF_EXCLUDE))
-    return false;
-
-  switch (shdr.get_sh_type())
-    {
-    case elfcpp::SHT_NULL:
-    case elfcpp::SHT_SYMTAB:
-    case elfcpp::SHT_DYNSYM:
-    case elfcpp::SHT_HASH:
-    case elfcpp::SHT_DYNAMIC:
-    case elfcpp::SHT_SYMTAB_SHNDX:
-      return false;
-
-    case elfcpp::SHT_STRTAB:
-      // Discard the sections which have special meanings in the ELF
-      // ABI.  Keep others (e.g., .stabstr).  We could also do this by
-      // checking the sh_link fields of the appropriate sections.
-      return (strcmp(name, ".dynstr") != 0
-	      && strcmp(name, ".strtab") != 0
-	      && strcmp(name, ".shstrtab") != 0);
-
-    case elfcpp::SHT_RELA:
-    case elfcpp::SHT_REL:
-    case elfcpp::SHT_GROUP:
-      // If we are emitting relocations these should be handled
-      // elsewhere.
-      gold_assert(!parameters->options().relocatable()
-		  && !parameters->options().emit_relocs());
-      return false;
-
-    case elfcpp::SHT_PROGBITS:
-      if (parameters->options().strip_debug()
-	  && (shdr.get_sh_flags() & elfcpp::SHF_ALLOC) == 0)
-	{
-	  if (is_debug_info_section(name))
-	    return false;
-	}
-      if (parameters->options().strip_debug_non_line()
-	  && (shdr.get_sh_flags() & elfcpp::SHF_ALLOC) == 0)
-	{
-	  // Debugging sections can only be recognized by name.
-	  if (is_prefix_of(".debug_", name)
-	      && !is_lines_only_debug_section(name + 7))
-	    return false;
-	  if (is_prefix_of(".zdebug_", name)
-	      && !is_lines_only_debug_section(name + 8))
-	    return false;
-	}
-      if (parameters->options().strip_debug_gdb()
-	  && (shdr.get_sh_flags() & elfcpp::SHF_ALLOC) == 0)
-	{
-	  // Debugging sections can only be recognized by name.
-	  if (is_prefix_of(".debug_", name)
-	      && !is_gdb_debug_section(name + 7))
-	    return false;
-	  if (is_prefix_of(".zdebug_", name)
-	      && !is_gdb_debug_section(name + 8))
-	    return false;
-	}
-      if (parameters->options().gdb_index()
-	  && (shdr.get_sh_flags() & elfcpp::SHF_ALLOC) == 0)
-	{
-	  // When building .gdb_index, we can strip .debug_pubnames,
-	  // .debug_pubtypes, and .debug_aranges sections.
-	  if (is_prefix_of(".debug_", name)
-	      && is_gdb_fast_lookup_section(name + 7))
-	    return false;
-	  if (is_prefix_of(".zdebug_", name)
-	      && is_gdb_fast_lookup_section(name + 8))
-	    return false;
-	}
-      if (parameters->options().strip_lto_sections()
-	  && !parameters->options().relocatable()
-	  && (shdr.get_sh_flags() & elfcpp::SHF_ALLOC) == 0)
-	{
-	  // Ignore LTO sections containing intermediate code.
-	  if (is_prefix_of(".gnu.lto_", name))
-	    return false;
-	}
-      // The GNU linker strips .gnu_debuglink sections, so we do too.
-      // This is a feature used to keep debugging information in
-      // separate files.
-      if (strcmp(name, ".gnu_debuglink") == 0)
-	return false;
-      return true;
-
-    default:
-      return true;
-    }
-}
-
-// Return an output section named NAME, or NULL if there is none.
-
-Output_section*
-Layout::find_output_section(const char* name) const
-{
-  for (Section_list::const_iterator p = this->section_list_.begin();
-       p != this->section_list_.end();
-       ++p)
-    if (strcmp((*p)->name(), name) == 0)
-      return *p;
-  return NULL;
-}
-
-// Return an output segment of type TYPE, with segment flags SET set
-// and segment flags CLEAR clear.  Return NULL if there is none.
-
-Output_segment*
-Layout::find_output_segment(elfcpp::PT type, elfcpp::Elf_Word set,
-			    elfcpp::Elf_Word clear) const
-{
-  for (Segment_list::const_iterator p = this->segment_list_.begin();
-       p != this->segment_list_.end();
-       ++p)
-    if (static_cast<elfcpp::PT>((*p)->type()) == type
-	&& ((*p)->flags() & set) == set
-	&& ((*p)->flags() & clear) == 0)
-      return *p;
-  return NULL;
-}
-
-// When we put a .ctors or .dtors section with more than one word into
-// a .init_array or .fini_array section, we need to reverse the words
-// in the .ctors/.dtors section.  This is because .init_array executes
-// constructors front to back, where .ctors executes them back to
-// front, and vice-versa for .fini_array/.dtors.  Although we do want
-// to remap .ctors/.dtors into .init_array/.fini_array because it can
-// be more efficient, we don't want to change the order in which
-// constructors/destructors are run.  This set just keeps track of
-// these sections which need to be reversed.  It is only changed by
-// Layout::layout.  It should be a private member of Layout, but that
-// would require layout.h to #include object.h to get the definition
-// of Section_id.
-static Unordered_set<Section_id, Section_id_hash> ctors_sections_in_init_array;
-
-// Return whether OBJECT/SHNDX is a .ctors/.dtors section mapped to a
-// .init_array/.fini_array section.
-
-bool
-Layout::is_ctors_in_init_array(Relobj* relobj, unsigned int shndx) const
-{
-  return (ctors_sections_in_init_array.find(Section_id(relobj, shndx))
-	  != ctors_sections_in_init_array.end());
-}
-
-// Return the output section to use for section NAME with type TYPE
-// and section flags FLAGS.  NAME must be canonicalized in the string
-// pool, and NAME_KEY is the key.  ORDER is where this should appear
-// in the output sections.  IS_RELRO is true for a relro section.
-
-Output_section*
-Layout::get_output_section(const char* name, Stringpool::Key name_key,
-			   elfcpp::Elf_Word type, elfcpp::Elf_Xword flags,
-			   Output_section_order order, bool is_relro)
-{
-  elfcpp::Elf_Word lookup_type = type;
-
-  // For lookup purposes, treat INIT_ARRAY, FINI_ARRAY, and
-  // PREINIT_ARRAY like PROGBITS.  This ensures that we combine
-  // .init_array, .fini_array, and .preinit_array sections by name
-  // whatever their type in the input file.  We do this because the
-  // types are not always right in the input files.
-  if (lookup_type == elfcpp::SHT_INIT_ARRAY
-      || lookup_type == elfcpp::SHT_FINI_ARRAY
-      || lookup_type == elfcpp::SHT_PREINIT_ARRAY)
-    lookup_type = elfcpp::SHT_PROGBITS;
-
-  elfcpp::Elf_Xword lookup_flags = flags;
-
-  // Ignoring SHF_WRITE and SHF_EXECINSTR here means that we combine
-  // read-write with read-only sections.  Some other ELF linkers do
-  // not do this.  FIXME: Perhaps there should be an option
-  // controlling this.
-  lookup_flags &= ~(elfcpp::SHF_WRITE | elfcpp::SHF_EXECINSTR);
-
-  const Key key(name_key, std::make_pair(lookup_type, lookup_flags));
-  const std::pair<Key, Output_section*> v(key, NULL);
-  std::pair<Section_name_map::iterator, bool> ins(
-    this->section_name_map_.insert(v));
-
-  if (!ins.second)
-    return ins.first->second;
-  else
-    {
-      // This is the first time we've seen this name/type/flags
-      // combination.  For compatibility with the GNU linker, we
-      // combine sections with contents and zero flags with sections
-      // with non-zero flags.  This is a workaround for cases where
-      // assembler code forgets to set section flags.  FIXME: Perhaps
-      // there should be an option to control this.
-      Output_section* os = NULL;
-
-      if (lookup_type == elfcpp::SHT_PROGBITS)
-	{
-	  if (flags == 0)
-	    {
-	      Output_section* same_name = this->find_output_section(name);
-	      if (same_name != NULL
-		  && (same_name->type() == elfcpp::SHT_PROGBITS
-		      || same_name->type() == elfcpp::SHT_INIT_ARRAY
-		      || same_name->type() == elfcpp::SHT_FINI_ARRAY
-		      || same_name->type() == elfcpp::SHT_PREINIT_ARRAY)
-		  && (same_name->flags() & elfcpp::SHF_TLS) == 0)
-		os = same_name;
-	    }
-	  else if ((flags & elfcpp::SHF_TLS) == 0)
-	    {
-	      elfcpp::Elf_Xword zero_flags = 0;
-	      const Key zero_key(name_key, std::make_pair(lookup_type,
-							  zero_flags));
-	      Section_name_map::iterator p =
-		  this->section_name_map_.find(zero_key);
-	      if (p != this->section_name_map_.end())
-		os = p->second;
-	    }
-	}
-
-      if (os == NULL)
-	os = this->make_output_section(name, type, flags, order, is_relro);
-
-      ins.first->second = os;
-      return os;
-    }
-}
-
-// Pick the output section to use for section NAME, in input file
-// RELOBJ, with type TYPE and flags FLAGS.  RELOBJ may be NULL for a
-// linker created section.  IS_INPUT_SECTION is true if we are
-// choosing an output section for an input section found in a input
-// file.  ORDER is where this section should appear in the output
-// sections.  IS_RELRO is true for a relro section.  This will return
-// NULL if the input section should be discarded.
-
-Output_section*
-Layout::choose_output_section(const Relobj* relobj, const char* name,
-			      elfcpp::Elf_Word type, elfcpp::Elf_Xword flags,
-			      bool is_input_section, Output_section_order order,
-			      bool is_relro)
-{
-  // We should not see any input sections after we have attached
-  // sections to segments.
-  gold_assert(!is_input_section || !this->sections_are_attached_);
-
-  // Some flags in the input section should not be automatically
-  // copied to the output section.
-  flags &= ~ (elfcpp::SHF_INFO_LINK
-	      | elfcpp::SHF_GROUP
-	      | elfcpp::SHF_MERGE
-	      | elfcpp::SHF_STRINGS);
-
-  // We only clear the SHF_LINK_ORDER flag in for
-  // a non-relocatable link.
-  if (!parameters->options().relocatable())
-    flags &= ~elfcpp::SHF_LINK_ORDER;
-
-  if (this->script_options_->saw_sections_clause())
-    {
-      // We are using a SECTIONS clause, so the output section is
-      // chosen based only on the name.
-
-      Script_sections* ss = this->script_options_->script_sections();
-      const char* file_name = relobj == NULL ? NULL : relobj->name().c_str();
-      Output_section** output_section_slot;
-      Script_sections::Section_type script_section_type;
-      const char* orig_name = name;
-      name = ss->output_section_name(file_name, name, &output_section_slot,
-				     &script_section_type);
-      if (name == NULL)
-	{
-	  gold_debug(DEBUG_SCRIPT, _("Unable to create output section '%s' "
-				     "because it is not allowed by the "
-				     "SECTIONS clause of the linker script"),
-		     orig_name);
-	  // The SECTIONS clause says to discard this input section.
-	  return NULL;
-	}
-
-      // We can only handle script section types ST_NONE and ST_NOLOAD.
-      switch (script_section_type)
-	{
-	case Script_sections::ST_NONE:
-	  break;
-	case Script_sections::ST_NOLOAD:
-	  flags &= elfcpp::SHF_ALLOC;
-	  break;
-	default:
-	  gold_unreachable();
-	}
-
-      // If this is an orphan section--one not mentioned in the linker
-      // script--then OUTPUT_SECTION_SLOT will be NULL, and we do the
-      // default processing below.
-
-      if (output_section_slot != NULL)
-	{
-	  if (*output_section_slot != NULL)
-	    {
-	      (*output_section_slot)->update_flags_for_input_section(flags);
-	      return *output_section_slot;
-	    }
-
-	  // We don't put sections found in the linker script into
-	  // SECTION_NAME_MAP_.  That keeps us from getting confused
-	  // if an orphan section is mapped to a section with the same
-	  // name as one in the linker script.
-
-	  name = this->namepool_.add(name, false, NULL);
-
-	  Output_section* os = this->make_output_section(name, type, flags,
-							 order, is_relro);
-
-	  os->set_found_in_sections_clause();
-
-	  // Special handling for NOLOAD sections.
-	  if (script_section_type == Script_sections::ST_NOLOAD)
-	    {
-	      os->set_is_noload();
-
-	      // The constructor of Output_section sets addresses of non-ALLOC
-	      // sections to 0 by default.  We don't want that for NOLOAD
-	      // sections even if they have no SHF_ALLOC flag.
-	      if ((os->flags() & elfcpp::SHF_ALLOC) == 0
-		  && os->is_address_valid())
-		{
-		  gold_assert(os->address() == 0
-			      && !os->is_offset_valid()
-			      && !os->is_data_size_valid());
-		  os->reset_address_and_file_offset();
-		}
-	    }
-
-	  *output_section_slot = os;
-	  return os;
-	}
-    }
-
-  // FIXME: Handle SHF_OS_NONCONFORMING somewhere.
-
-  size_t len = strlen(name);
-  char* uncompressed_name = NULL;
-
-  // Compressed debug sections should be mapped to the corresponding
-  // uncompressed section.
-  if (is_compressed_debug_section(name))
-    {
-      uncompressed_name = new char[len];
-      uncompressed_name[0] = '.';
-      gold_assert(name[0] == '.' && name[1] == 'z');
-      strncpy(&uncompressed_name[1], &name[2], len - 2);
-      uncompressed_name[len - 1] = '\0';
-      len -= 1;
-      name = uncompressed_name;
-    }
-
-  // Turn NAME from the name of the input section into the name of the
-  // output section.
-  if (is_input_section
-      && !this->script_options_->saw_sections_clause()
-      && !parameters->options().relocatable())
-    name = Layout::output_section_name(relobj, name, &len);
-
-  Stringpool::Key name_key;
-  name = this->namepool_.add_with_length(name, len, true, &name_key);
-
-  if (uncompressed_name != NULL)
-    delete[] uncompressed_name;
-
-  // Find or make the output section.  The output section is selected
-  // based on the section name, type, and flags.
-  return this->get_output_section(name, name_key, type, flags, order, is_relro);
-}
-
-// For incremental links, record the initial fixed layout of a section
-// from the base file, and return a pointer to the Output_section.
-
-template<int size, bool big_endian>
-Output_section*
-Layout::init_fixed_output_section(const char* name,
-				  elfcpp::Shdr<size, big_endian>& shdr)
-{
-  unsigned int sh_type = shdr.get_sh_type();
-
-  // We preserve the layout of PROGBITS, NOBITS, INIT_ARRAY, FINI_ARRAY,
-  // PRE_INIT_ARRAY, and NOTE sections.
-  // All others will be created from scratch and reallocated.
-  if (!can_incremental_update(sh_type))
-    return NULL;
-
-  // If we're generating a .gdb_index section, we need to regenerate
-  // it from scratch.
-  if (parameters->options().gdb_index()
-      && sh_type == elfcpp::SHT_PROGBITS
-      && strcmp(name, ".gdb_index") == 0)
-    return NULL;
-
-  typename elfcpp::Elf_types<size>::Elf_Addr sh_addr = shdr.get_sh_addr();
-  typename elfcpp::Elf_types<size>::Elf_Off sh_offset = shdr.get_sh_offset();
-  typename elfcpp::Elf_types<size>::Elf_WXword sh_size = shdr.get_sh_size();
-  typename elfcpp::Elf_types<size>::Elf_WXword sh_flags = shdr.get_sh_flags();
-  typename elfcpp::Elf_types<size>::Elf_WXword sh_addralign =
-      shdr.get_sh_addralign();
-
-  // Make the output section.
-  Stringpool::Key name_key;
-  name = this->namepool_.add(name, true, &name_key);
-  Output_section* os = this->get_output_section(name, name_key, sh_type,
-						sh_flags, ORDER_INVALID, false);
-  os->set_fixed_layout(sh_addr, sh_offset, sh_size, sh_addralign);
-  if (sh_type != elfcpp::SHT_NOBITS)
-    this->free_list_.remove(sh_offset, sh_offset + sh_size);
-  return os;
-}
-
-// Return the index by which an input section should be ordered.  This
-// is used to sort some .text sections, for compatibility with GNU ld.
-
-int
-Layout::special_ordering_of_input_section(const char* name)
-{
-  // The GNU linker has some special handling for some sections that
-  // wind up in the .text section.  Sections that start with these
-  // prefixes must appear first, and must appear in the order listed
-  // here.
-  static const char* const text_section_sort[] =
-  {
-    ".text.unlikely",
-    ".text.exit",
-    ".text.startup",
-    ".text.hot"
-  };
-
-  for (size_t i = 0;
-       i < sizeof(text_section_sort) / sizeof(text_section_sort[0]);
-       i++)
-    if (is_prefix_of(text_section_sort[i], name))
-      return i;
-
-  return -1;
-}
-
-// Return the output section to use for input section SHNDX, with name
-// NAME, with header HEADER, from object OBJECT.  RELOC_SHNDX is the
-// index of a relocation section which applies to this section, or 0
-// if none, or -1U if more than one.  RELOC_TYPE is the type of the
-// relocation section if there is one.  Set *OFF to the offset of this
-// input section without the output section.  Return NULL if the
-// section should be discarded.  Set *OFF to -1 if the section
-// contents should not be written directly to the output file, but
-// will instead receive special handling.
-
-template<int size, bool big_endian>
-Output_section*
-Layout::layout(Sized_relobj_file<size, big_endian>* object, unsigned int shndx,
-	       const char* name, const elfcpp::Shdr<size, big_endian>& shdr,
-	       unsigned int reloc_shndx, unsigned int, off_t* off)
-{
-  *off = 0;
-
-  if (!this->include_section(object, name, shdr))
-    return NULL;
-
-  elfcpp::Elf_Word sh_type = shdr.get_sh_type();
-
-  // In a relocatable link a grouped section must not be combined with
-  // any other sections.
-  Output_section* os;
-  if (parameters->options().relocatable()
-      && (shdr.get_sh_flags() & elfcpp::SHF_GROUP) != 0)
-    {
-      name = this->namepool_.add(name, true, NULL);
-      os = this->make_output_section(name, sh_type, shdr.get_sh_flags(),
-				     ORDER_INVALID, false);
-    }
-  else
-    {
-      os = this->choose_output_section(object, name, sh_type,
-				       shdr.get_sh_flags(), true,
-				       ORDER_INVALID, false);
-      if (os == NULL)
-	return NULL;
-    }
-
-  // By default the GNU linker sorts input sections whose names match
-  // .ctors.*, .dtors.*, .init_array.*, or .fini_array.*.  The
-  // sections are sorted by name.  This is used to implement
-  // constructor priority ordering.  We are compatible.  When we put
-  // .ctor sections in .init_array and .dtor sections in .fini_array,
-  // we must also sort plain .ctor and .dtor sections.
-  if (!this->script_options_->saw_sections_clause()
-      && !parameters->options().relocatable()
-      && (is_prefix_of(".ctors.", name)
-	  || is_prefix_of(".dtors.", name)
-	  || is_prefix_of(".init_array.", name)
-	  || is_prefix_of(".fini_array.", name)
-	  || (parameters->options().ctors_in_init_array()
-	      && (strcmp(name, ".ctors") == 0
-		  || strcmp(name, ".dtors") == 0))))
-    os->set_must_sort_attached_input_sections();
-
-  // By default the GNU linker sorts some special text sections ahead
-  // of others.  We are compatible.
-  if (parameters->options().text_reorder()
-      && !this->script_options_->saw_sections_clause()
-      && !this->is_section_ordering_specified()
-      && !parameters->options().relocatable()
-      && Layout::special_ordering_of_input_section(name) >= 0)
-    os->set_must_sort_attached_input_sections();
-
-  // If this is a .ctors or .ctors.* section being mapped to a
-  // .init_array section, or a .dtors or .dtors.* section being mapped
-  // to a .fini_array section, we will need to reverse the words if
-  // there is more than one.  Record this section for later.  See
-  // ctors_sections_in_init_array above.
-  if (!this->script_options_->saw_sections_clause()
-      && !parameters->options().relocatable()
-      && shdr.get_sh_size() > size / 8
-      && (((strcmp(name, ".ctors") == 0
-	    || is_prefix_of(".ctors.", name))
-	   && strcmp(os->name(), ".init_array") == 0)
-	  || ((strcmp(name, ".dtors") == 0
-	       || is_prefix_of(".dtors.", name))
-	      && strcmp(os->name(), ".fini_array") == 0)))
-    ctors_sections_in_init_array.insert(Section_id(object, shndx));
-
-  // FIXME: Handle SHF_LINK_ORDER somewhere.
-
-  elfcpp::Elf_Xword orig_flags = os->flags();
-
-  *off = os->add_input_section(this, object, shndx, name, shdr, reloc_shndx,
-			       this->script_options_->saw_sections_clause());
-
-  // If the flags changed, we may have to change the order.
-  if ((orig_flags & elfcpp::SHF_ALLOC) != 0)
-    {
-      orig_flags &= (elfcpp::SHF_WRITE | elfcpp::SHF_EXECINSTR);
-      elfcpp::Elf_Xword new_flags =
-	os->flags() & (elfcpp::SHF_WRITE | elfcpp::SHF_EXECINSTR);
-      if (orig_flags != new_flags)
-	os->set_order(this->default_section_order(os, false));
-    }
-
-  this->have_added_input_section_ = true;
-
-  return os;
-}
-
-// Handle a relocation section when doing a relocatable link.
-
-template<int size, bool big_endian>
-Output_section*
-Layout::layout_reloc(Sized_relobj_file<size, big_endian>* object,
-		     unsigned int,
-		     const elfcpp::Shdr<size, big_endian>& shdr,
-		     Output_section* data_section,
-		     Relocatable_relocs* rr)
-{
-  gold_assert(parameters->options().relocatable()
-	      || parameters->options().emit_relocs());
-
-  int sh_type = shdr.get_sh_type();
-
-  std::string name;
-  if (sh_type == elfcpp::SHT_REL)
-    name = ".rel";
-  else if (sh_type == elfcpp::SHT_RELA)
-    name = ".rela";
-  else
-    gold_unreachable();
-  name += data_section->name();
-
-  // In a relocatable link relocs for a grouped section must not be
-  // combined with other reloc sections.
-  Output_section* os;
-  if (!parameters->options().relocatable()
-      || (data_section->flags() & elfcpp::SHF_GROUP) == 0)
-    os = this->choose_output_section(object, name.c_str(), sh_type,
-				     shdr.get_sh_flags(), false,
-				     ORDER_INVALID, false);
-  else
-    {
-      const char* n = this->namepool_.add(name.c_str(), true, NULL);
-      os = this->make_output_section(n, sh_type, shdr.get_sh_flags(),
-				     ORDER_INVALID, false);
-    }
-
-  os->set_should_link_to_symtab();
-  os->set_info_section(data_section);
-
-  Output_section_data* posd;
-  if (sh_type == elfcpp::SHT_REL)
-    {
-      os->set_entsize(elfcpp::Elf_sizes<size>::rel_size);
-      posd = new Output_relocatable_relocs<elfcpp::SHT_REL,
-					   size,
-					   big_endian>(rr);
-    }
-  else if (sh_type == elfcpp::SHT_RELA)
-    {
-      os->set_entsize(elfcpp::Elf_sizes<size>::rela_size);
-      posd = new Output_relocatable_relocs<elfcpp::SHT_RELA,
-					   size,
-					   big_endian>(rr);
-    }
-  else
-    gold_unreachable();
-
-  os->add_output_section_data(posd);
-  rr->set_output_data(posd);
-
-  return os;
-}
-
-// Handle a group section when doing a relocatable link.
-
-template<int size, bool big_endian>
-void
-Layout::layout_group(Symbol_table* symtab,
-		     Sized_relobj_file<size, big_endian>* object,
-		     unsigned int,
-		     const char* group_section_name,
-		     const char* signature,
-		     const elfcpp::Shdr<size, big_endian>& shdr,
-		     elfcpp::Elf_Word flags,
-		     std::vector<unsigned int>* shndxes)
-{
-  gold_assert(parameters->options().relocatable());
-  gold_assert(shdr.get_sh_type() == elfcpp::SHT_GROUP);
-  group_section_name = this->namepool_.add(group_section_name, true, NULL);
-  Output_section* os = this->make_output_section(group_section_name,
-						 elfcpp::SHT_GROUP,
-						 shdr.get_sh_flags(),
-						 ORDER_INVALID, false);
-
-  // We need to find a symbol with the signature in the symbol table.
-  // If we don't find one now, we need to look again later.
-  Symbol* sym = symtab->lookup(signature, NULL);
-  if (sym != NULL)
-    os->set_info_symndx(sym);
-  else
-    {
-      // Reserve some space to minimize reallocations.
-      if (this->group_signatures_.empty())
-	this->group_signatures_.reserve(this->number_of_input_files_ * 16);
-
-      // We will wind up using a symbol whose name is the signature.
-      // So just put the signature in the symbol name pool to save it.
-      signature = symtab->canonicalize_name(signature);
-      this->group_signatures_.push_back(Group_signature(os, signature));
-    }
-
-  os->set_should_link_to_symtab();
-  os->set_entsize(4);
-
-  section_size_type entry_count =
-    convert_to_section_size_type(shdr.get_sh_size() / 4);
-  Output_section_data* posd =
-    new Output_data_group<size, big_endian>(object, entry_count, flags,
-					    shndxes);
-  os->add_output_section_data(posd);
-}
-
-// Special GNU handling of sections name .eh_frame.  They will
-// normally hold exception frame data as defined by the C++ ABI
-// (http://codesourcery.com/cxx-abi/).
-
-template<int size, bool big_endian>
-Output_section*
-Layout::layout_eh_frame(Sized_relobj_file<size, big_endian>* object,
-			const unsigned char* symbols,
-			off_t symbols_size,
-			const unsigned char* symbol_names,
-			off_t symbol_names_size,
-			unsigned int shndx,
-			const elfcpp::Shdr<size, big_endian>& shdr,
-			unsigned int reloc_shndx, unsigned int reloc_type,
-			off_t* off)
-{
-  gold_assert(shdr.get_sh_type() == elfcpp::SHT_PROGBITS
-	      || shdr.get_sh_type() == elfcpp::SHT_X86_64_UNWIND);
-  gold_assert((shdr.get_sh_flags() & elfcpp::SHF_ALLOC) != 0);
-
-  Output_section* os = this->make_eh_frame_section(object);
-  if (os == NULL)
-    return NULL;
-
-  gold_assert(this->eh_frame_section_ == os);
-
-  elfcpp::Elf_Xword orig_flags = os->flags();
-
-  if (!parameters->incremental()
-      && this->eh_frame_data_->add_ehframe_input_section(object,
-							 symbols,
-							 symbols_size,
-							 symbol_names,
-							 symbol_names_size,
-							 shndx,
-							 reloc_shndx,
-							 reloc_type))
-    {
-      os->update_flags_for_input_section(shdr.get_sh_flags());
-
-      // A writable .eh_frame section is a RELRO section.
-      if ((orig_flags & (elfcpp::SHF_WRITE | elfcpp::SHF_EXECINSTR))
-	  != (os->flags() & (elfcpp::SHF_WRITE | elfcpp::SHF_EXECINSTR)))
-	{
-	  os->set_is_relro();
-	  os->set_order(ORDER_RELRO);
-	}
-
-      // We found a .eh_frame section we are going to optimize, so now
-      // we can add the set of optimized sections to the output
-      // section.  We need to postpone adding this until we've found a
-      // section we can optimize so that the .eh_frame section in
-      // crtbegin.o winds up at the start of the output section.
-      if (!this->added_eh_frame_data_)
-	{
-	  os->add_output_section_data(this->eh_frame_data_);
-	  this->added_eh_frame_data_ = true;
-	}
-      *off = -1;
-    }
-  else
-    {
-      // We couldn't handle this .eh_frame section for some reason.
-      // Add it as a normal section.
-      bool saw_sections_clause = this->script_options_->saw_sections_clause();
-      *off = os->add_input_section(this, object, shndx, ".eh_frame", shdr,
-				   reloc_shndx, saw_sections_clause);
-      this->have_added_input_section_ = true;
-
-      if ((orig_flags & (elfcpp::SHF_WRITE | elfcpp::SHF_EXECINSTR))
-	  != (os->flags() & (elfcpp::SHF_WRITE | elfcpp::SHF_EXECINSTR)))
-	os->set_order(this->default_section_order(os, false));
-    }
-
-  return os;
-}
-
-// Create and return the magic .eh_frame section.  Create
-// .eh_frame_hdr also if appropriate.  OBJECT is the object with the
-// input .eh_frame section; it may be NULL.
-
-Output_section*
-Layout::make_eh_frame_section(const Relobj* object)
-{
-  // FIXME: On x86_64, this could use SHT_X86_64_UNWIND rather than
-  // SHT_PROGBITS.
-  Output_section* os = this->choose_output_section(object, ".eh_frame",
-						   elfcpp::SHT_PROGBITS,
-						   elfcpp::SHF_ALLOC, false,
-						   ORDER_EHFRAME, false);
-  if (os == NULL)
-    return NULL;
-
-  if (this->eh_frame_section_ == NULL)
-    {
-      this->eh_frame_section_ = os;
-      this->eh_frame_data_ = new Eh_frame();
-
-      // For incremental linking, we do not optimize .eh_frame sections
-      // or create a .eh_frame_hdr section.
-      if (parameters->options().eh_frame_hdr() && !parameters->incremental())
-	{
-	  Output_section* hdr_os =
-	    this->choose_output_section(NULL, ".eh_frame_hdr",
-					elfcpp::SHT_PROGBITS,
-					elfcpp::SHF_ALLOC, false,
-					ORDER_EHFRAME, false);
-
-	  if (hdr_os != NULL)
-	    {
-	      Eh_frame_hdr* hdr_posd = new Eh_frame_hdr(os,
-							this->eh_frame_data_);
-	      hdr_os->add_output_section_data(hdr_posd);
-
-	      hdr_os->set_after_input_sections();
-
-	      if (!this->script_options_->saw_phdrs_clause())
-		{
-		  Output_segment* hdr_oseg;
-		  hdr_oseg = this->make_output_segment(elfcpp::PT_GNU_EH_FRAME,
-						       elfcpp::PF_R);
-		  hdr_oseg->add_output_section_to_nonload(hdr_os,
-							  elfcpp::PF_R);
-		}
-
-	      this->eh_frame_data_->set_eh_frame_hdr(hdr_posd);
-	    }
-	}
-    }
-
-  return os;
-}
-
-// Add an exception frame for a PLT.  This is called from target code.
-
-void
-Layout::add_eh_frame_for_plt(Output_data* plt, const unsigned char* cie_data,
-			     size_t cie_length, const unsigned char* fde_data,
-			     size_t fde_length)
-{
-  if (parameters->incremental())
-    {
-      // FIXME: Maybe this could work some day....
-      return;
-    }
-  Output_section* os = this->make_eh_frame_section(NULL);
-  if (os == NULL)
-    return;
-  this->eh_frame_data_->add_ehframe_for_plt(plt, cie_data, cie_length,
-					    fde_data, fde_length);
-  if (!this->added_eh_frame_data_)
-    {
-      os->add_output_section_data(this->eh_frame_data_);
-      this->added_eh_frame_data_ = true;
-    }
-}
-
-// Scan a .debug_info or .debug_types section, and add summary
-// information to the .gdb_index section.
-
-template<int size, bool big_endian>
-void
-Layout::add_to_gdb_index(bool is_type_unit,
-			 Sized_relobj<size, big_endian>* object,
-			 const unsigned char* symbols,
-			 off_t symbols_size,
-			 unsigned int shndx,
-			 unsigned int reloc_shndx,
-			 unsigned int reloc_type)
-{
-  if (this->gdb_index_data_ == NULL)
-    {
-      Output_section* os = this->choose_output_section(NULL, ".gdb_index",
-						       elfcpp::SHT_PROGBITS, 0,
-						       false, ORDER_INVALID,
-						       false);
-      if (os == NULL)
-	return;
-
-      this->gdb_index_data_ = new Gdb_index(os);
-      os->add_output_section_data(this->gdb_index_data_);
-      os->set_after_input_sections();
-    }
-
-  this->gdb_index_data_->scan_debug_info(is_type_unit, object, symbols,
-					 symbols_size, shndx, reloc_shndx,
-					 reloc_type);
-}
-
-// Add POSD to an output section using NAME, TYPE, and FLAGS.  Return
-// the output section.
-
-Output_section*
-Layout::add_output_section_data(const char* name, elfcpp::Elf_Word type,
-				elfcpp::Elf_Xword flags,
-				Output_section_data* posd,
-				Output_section_order order, bool is_relro)
-{
-  Output_section* os = this->choose_output_section(NULL, name, type, flags,
-						   false, order, is_relro);
-  if (os != NULL)
-    os->add_output_section_data(posd);
-  return os;
-}
-
-// Map section flags to segment flags.
-
-elfcpp::Elf_Word
-Layout::section_flags_to_segment(elfcpp::Elf_Xword flags)
-{
-  elfcpp::Elf_Word ret = elfcpp::PF_R;
-  if ((flags & elfcpp::SHF_WRITE) != 0)
-    ret |= elfcpp::PF_W;
-  if ((flags & elfcpp::SHF_EXECINSTR) != 0)
-    ret |= elfcpp::PF_X;
-  return ret;
-}
-
-// Make a new Output_section, and attach it to segments as
-// appropriate.  ORDER is the order in which this section should
-// appear in the output segment.  IS_RELRO is true if this is a relro
-// (read-only after relocations) section.
-
-Output_section*
-Layout::make_output_section(const char* name, elfcpp::Elf_Word type,
-			    elfcpp::Elf_Xword flags,
-			    Output_section_order order, bool is_relro)
-{
-  Output_section* os;
-  if ((flags & elfcpp::SHF_ALLOC) == 0
-      && strcmp(parameters->options().compress_debug_sections(), "none") != 0
-      && is_compressible_debug_section(name))
-    os = new Output_compressed_section(&parameters->options(), name, type,
-				       flags);
-  else if ((flags & elfcpp::SHF_ALLOC) == 0
-	   && parameters->options().strip_debug_non_line()
-	   && strcmp(".debug_abbrev", name) == 0)
-    {
-      os = this->debug_abbrev_ = new Output_reduced_debug_abbrev_section(
-	  name, type, flags);
-      if (this->debug_info_)
-	this->debug_info_->set_abbreviations(this->debug_abbrev_);
-    }
-  else if ((flags & elfcpp::SHF_ALLOC) == 0
-	   && parameters->options().strip_debug_non_line()
-	   && strcmp(".debug_info", name) == 0)
-    {
-      os = this->debug_info_ = new Output_reduced_debug_info_section(
-	  name, type, flags);
-      if (this->debug_abbrev_)
-	this->debug_info_->set_abbreviations(this->debug_abbrev_);
-    }
-  else
-    {
-      // Sometimes .init_array*, .preinit_array* and .fini_array* do
-      // not have correct section types.  Force them here.
-      if (type == elfcpp::SHT_PROGBITS)
-	{
-	  if (is_prefix_of(".init_array", name))
-	    type = elfcpp::SHT_INIT_ARRAY;
-	  else if (is_prefix_of(".preinit_array", name))
-	    type = elfcpp::SHT_PREINIT_ARRAY;
-	  else if (is_prefix_of(".fini_array", name))
-	    type = elfcpp::SHT_FINI_ARRAY;
-	}
-
-      // FIXME: const_cast is ugly.
-      Target* target = const_cast<Target*>(&parameters->target());
-      os = target->make_output_section(name, type, flags);
-    }
-
-  // With -z relro, we have to recognize the special sections by name.
-  // There is no other way.
-  bool is_relro_local = false;
-  if (!this->script_options_->saw_sections_clause()
-      && parameters->options().relro()
-      && (flags & elfcpp::SHF_ALLOC) != 0
-      && (flags & elfcpp::SHF_WRITE) != 0)
-    {
-      if (type == elfcpp::SHT_PROGBITS)
-	{
-	  if ((flags & elfcpp::SHF_TLS) != 0)
-	    is_relro = true;
-	  else if (strcmp(name, ".data.rel.ro") == 0)
-	    is_relro = true;
-	  else if (strcmp(name, ".data.rel.ro.local") == 0)
-	    {
-	      is_relro = true;
-	      is_relro_local = true;
-	    }
-	  else if (strcmp(name, ".ctors") == 0
-		   || strcmp(name, ".dtors") == 0
-		   || strcmp(name, ".jcr") == 0)
-	    is_relro = true;
-	}
-      else if (type == elfcpp::SHT_INIT_ARRAY
-	       || type == elfcpp::SHT_FINI_ARRAY
-	       || type == elfcpp::SHT_PREINIT_ARRAY)
-	is_relro = true;
-    }
-
-  if (is_relro)
-    os->set_is_relro();
-
-  if (order == ORDER_INVALID && (flags & elfcpp::SHF_ALLOC) != 0)
-    order = this->default_section_order(os, is_relro_local);
-
-  os->set_order(order);
-
-  parameters->target().new_output_section(os);
-
-  this->section_list_.push_back(os);
-
-  // The GNU linker by default sorts some sections by priority, so we
-  // do the same.  We need to know that this might happen before we
-  // attach any input sections.
-  if (!this->script_options_->saw_sections_clause()
-      && !parameters->options().relocatable()
-      && (strcmp(name, ".init_array") == 0
-	  || strcmp(name, ".fini_array") == 0
-	  || (!parameters->options().ctors_in_init_array()
-	      && (strcmp(name, ".ctors") == 0
-		  || strcmp(name, ".dtors") == 0))))
-    os->set_may_sort_attached_input_sections();
-
-  // The GNU linker by default sorts .text.{unlikely,exit,startup,hot}
-  // sections before other .text sections.  We are compatible.  We
-  // need to know that this might happen before we attach any input
-  // sections.
-  if (parameters->options().text_reorder()
-      && !this->script_options_->saw_sections_clause()
-      && !this->is_section_ordering_specified()
-      && !parameters->options().relocatable()
-      && strcmp(name, ".text") == 0)
-    os->set_may_sort_attached_input_sections();
-
-  // GNU linker sorts section by name with --sort-section=name.
-  if (strcmp(parameters->options().sort_section(), "name") == 0)
-      os->set_must_sort_attached_input_sections();
-
-  // Check for .stab*str sections, as .stab* sections need to link to
-  // them.
-  if (type == elfcpp::SHT_STRTAB
-      && !this->have_stabstr_section_
-      && strncmp(name, ".stab", 5) == 0
-      && strcmp(name + strlen(name) - 3, "str") == 0)
-    this->have_stabstr_section_ = true;
-
-  // During a full incremental link, we add patch space to most
-  // PROGBITS and NOBITS sections.  Flag those that may be
-  // arbitrarily padded.
-  if ((type == elfcpp::SHT_PROGBITS || type == elfcpp::SHT_NOBITS)
-      && order != ORDER_INTERP
-      && order != ORDER_INIT
-      && order != ORDER_PLT
-      && order != ORDER_FINI
-      && order != ORDER_RELRO_LAST
-      && order != ORDER_NON_RELRO_FIRST
-      && strcmp(name, ".eh_frame") != 0
-      && strcmp(name, ".ctors") != 0
-      && strcmp(name, ".dtors") != 0
-      && strcmp(name, ".jcr") != 0)
-    {
-      os->set_is_patch_space_allowed();
-
-      // Certain sections require "holes" to be filled with
-      // specific fill patterns.  These fill patterns may have
-      // a minimum size, so we must prevent allocations from the
-      // free list that leave a hole smaller than the minimum.
-      if (strcmp(name, ".debug_info") == 0)
-	os->set_free_space_fill(new Output_fill_debug_info(false));
-      else if (strcmp(name, ".debug_types") == 0)
-	os->set_free_space_fill(new Output_fill_debug_info(true));
-      else if (strcmp(name, ".debug_line") == 0)
-	os->set_free_space_fill(new Output_fill_debug_line());
-    }
-
-  // If we have already attached the sections to segments, then we
-  // need to attach this one now.  This happens for sections created
-  // directly by the linker.
-  if (this->sections_are_attached_)
-    this->attach_section_to_segment(&parameters->target(), os);
-
-  return os;
-}
-
-// Return the default order in which a section should be placed in an
-// output segment.  This function captures a lot of the ideas in
-// ld/scripttempl/elf.sc in the GNU linker.  Note that the order of a
-// linker created section is normally set when the section is created;
-// this function is used for input sections.
-
-Output_section_order
-Layout::default_section_order(Output_section* os, bool is_relro_local)
-{
-  gold_assert((os->flags() & elfcpp::SHF_ALLOC) != 0);
-  bool is_write = (os->flags() & elfcpp::SHF_WRITE) != 0;
-  bool is_execinstr = (os->flags() & elfcpp::SHF_EXECINSTR) != 0;
-  bool is_bss = false;
-
-  switch (os->type())
-    {
-    default:
-    case elfcpp::SHT_PROGBITS:
-      break;
-    case elfcpp::SHT_NOBITS:
-      is_bss = true;
-      break;
-    case elfcpp::SHT_RELA:
-    case elfcpp::SHT_REL:
-      if (!is_write)
-	return ORDER_DYNAMIC_RELOCS;
-      break;
-    case elfcpp::SHT_HASH:
-    case elfcpp::SHT_DYNAMIC:
-    case elfcpp::SHT_SHLIB:
-    case elfcpp::SHT_DYNSYM:
-    case elfcpp::SHT_GNU_HASH:
-    case elfcpp::SHT_GNU_verdef:
-    case elfcpp::SHT_GNU_verneed:
-    case elfcpp::SHT_GNU_versym:
-      if (!is_write)
-	return ORDER_DYNAMIC_LINKER;
-      break;
-    case elfcpp::SHT_NOTE:
-      return is_write ? ORDER_RW_NOTE : ORDER_RO_NOTE;
-    }
-
-  if ((os->flags() & elfcpp::SHF_TLS) != 0)
-    return is_bss ? ORDER_TLS_BSS : ORDER_TLS_DATA;
-
-  if (!is_bss && !is_write)
-    {
-      if (is_execinstr)
-	{
-	  if (strcmp(os->name(), ".init") == 0)
-	    return ORDER_INIT;
-	  else if (strcmp(os->name(), ".fini") == 0)
-	    return ORDER_FINI;
-	}
-      return is_execinstr ? ORDER_TEXT : ORDER_READONLY;
-    }
-
-  if (os->is_relro())
-    return is_relro_local ? ORDER_RELRO_LOCAL : ORDER_RELRO;
-
-  if (os->is_small_section())
-    return is_bss ? ORDER_SMALL_BSS : ORDER_SMALL_DATA;
-  if (os->is_large_section())
-    return is_bss ? ORDER_LARGE_BSS : ORDER_LARGE_DATA;
-
-  return is_bss ? ORDER_BSS : ORDER_DATA;
-}
-
-// Attach output sections to segments.  This is called after we have
-// seen all the input sections.
-
-void
-Layout::attach_sections_to_segments(const Target* target)
-{
-  for (Section_list::iterator p = this->section_list_.begin();
-       p != this->section_list_.end();
-       ++p)
-    this->attach_section_to_segment(target, *p);
-
-  this->sections_are_attached_ = true;
-}
-
-// Attach an output section to a segment.
-
-void
-Layout::attach_section_to_segment(const Target* target, Output_section* os)
-{
-  if ((os->flags() & elfcpp::SHF_ALLOC) == 0)
-    this->unattached_section_list_.push_back(os);
-  else
-    this->attach_allocated_section_to_segment(target, os);
-}
-
-// Attach an allocated output section to a segment.
-
-void
-Layout::attach_allocated_section_to_segment(const Target* target,
-					    Output_section* os)
-{
-  elfcpp::Elf_Xword flags = os->flags();
-  gold_assert((flags & elfcpp::SHF_ALLOC) != 0);
-
-  if (parameters->options().relocatable())
-    return;
-
-  // If we have a SECTIONS clause, we can't handle the attachment to
-  // segments until after we've seen all the sections.
-  if (this->script_options_->saw_sections_clause())
-    return;
-
-  gold_assert(!this->script_options_->saw_phdrs_clause());
-
-  // This output section goes into a PT_LOAD segment.
-
-  elfcpp::Elf_Word seg_flags = Layout::section_flags_to_segment(flags);
-
-  // Check for --section-start.
-  uint64_t addr;
-  bool is_address_set = parameters->options().section_start(os->name(), &addr);
-
-  // In general the only thing we really care about for PT_LOAD
-  // segments is whether or not they are writable or executable,
-  // so that is how we search for them.
-  // Large data sections also go into their own PT_LOAD segment.
-  // People who need segments sorted on some other basis will
-  // have to use a linker script.
-
-  Segment_list::const_iterator p;
-  for (p = this->segment_list_.begin();
-       p != this->segment_list_.end();
-       ++p)
-    {
-      if ((*p)->type() != elfcpp::PT_LOAD)
-	continue;
-      if (!parameters->options().omagic()
-	  && ((*p)->flags() & elfcpp::PF_W) != (seg_flags & elfcpp::PF_W))
-	continue;
-      if ((target->isolate_execinstr() || parameters->options().rosegment())
-	  && ((*p)->flags() & elfcpp::PF_X) != (seg_flags & elfcpp::PF_X))
-	continue;
-      // If -Tbss was specified, we need to separate the data and BSS
-      // segments.
-      if (parameters->options().user_set_Tbss())
-	{
-	  if ((os->type() == elfcpp::SHT_NOBITS)
-	      == (*p)->has_any_data_sections())
-	    continue;
-	}
-      if (os->is_large_data_section() && !(*p)->is_large_data_segment())
-	continue;
-
-      if (is_address_set)
-	{
-	  if ((*p)->are_addresses_set())
-	    continue;
-
-	  (*p)->add_initial_output_data(os);
-	  (*p)->update_flags_for_output_section(seg_flags);
-	  (*p)->set_addresses(addr, addr);
-	  break;
-	}
-
-      (*p)->add_output_section_to_load(this, os, seg_flags);
-      break;
-    }
-
-  if (p == this->segment_list_.end())
-    {
-      Output_segment* oseg = this->make_output_segment(elfcpp::PT_LOAD,
-						       seg_flags);
-      if (os->is_large_data_section())
-	oseg->set_is_large_data_segment();
-      oseg->add_output_section_to_load(this, os, seg_flags);
-      if (is_address_set)
-	oseg->set_addresses(addr, addr);
-    }
-
-  // If we see a loadable SHT_NOTE section, we create a PT_NOTE
-  // segment.
-  if (os->type() == elfcpp::SHT_NOTE)
-    {
-      // See if we already have an equivalent PT_NOTE segment.
-      for (p = this->segment_list_.begin();
-	   p != segment_list_.end();
-	   ++p)
-	{
-	  if ((*p)->type() == elfcpp::PT_NOTE
-	      && (((*p)->flags() & elfcpp::PF_W)
-		  == (seg_flags & elfcpp::PF_W)))
-	    {
-	      (*p)->add_output_section_to_nonload(os, seg_flags);
-	      break;
-	    }
-	}
-
-      if (p == this->segment_list_.end())
-	{
-	  Output_segment* oseg = this->make_output_segment(elfcpp::PT_NOTE,
-							   seg_flags);
-	  oseg->add_output_section_to_nonload(os, seg_flags);
-	}
-    }
-
-  // If we see a loadable SHF_TLS section, we create a PT_TLS
-  // segment.  There can only be one such segment.
-  if ((flags & elfcpp::SHF_TLS) != 0)
-    {
-      if (this->tls_segment_ == NULL)
-	this->make_output_segment(elfcpp::PT_TLS, seg_flags);
-      this->tls_segment_->add_output_section_to_nonload(os, seg_flags);
-    }
-
-  // If -z relro is in effect, and we see a relro section, we create a
-  // PT_GNU_RELRO segment.  There can only be one such segment.
-  if (os->is_relro() && parameters->options().relro())
-    {
-      gold_assert(seg_flags == (elfcpp::PF_R | elfcpp::PF_W));
-      if (this->relro_segment_ == NULL)
-	this->make_output_segment(elfcpp::PT_GNU_RELRO, seg_flags);
-      this->relro_segment_->add_output_section_to_nonload(os, seg_flags);
-    }
-
-  // If we see a section named .interp, put it into a PT_INTERP
-  // segment.  This seems broken to me, but this is what GNU ld does,
-  // and glibc expects it.
-  if (strcmp(os->name(), ".interp") == 0
-      && !this->script_options_->saw_phdrs_clause())
-    {
-      if (this->interp_segment_ == NULL)
-	this->make_output_segment(elfcpp::PT_INTERP, seg_flags);
-      else
-	gold_warning(_("multiple '.interp' sections in input files "
-		       "may cause confusing PT_INTERP segment"));
-      this->interp_segment_->add_output_section_to_nonload(os, seg_flags);
-    }
-}
-
-// Make an output section for a script.
-
-Output_section*
-Layout::make_output_section_for_script(
-    const char* name,
-    Script_sections::Section_type section_type)
-{
-  name = this->namepool_.add(name, false, NULL);
-  elfcpp::Elf_Xword sh_flags = elfcpp::SHF_ALLOC;
-  if (section_type == Script_sections::ST_NOLOAD)
-    sh_flags = 0;
-  Output_section* os = this->make_output_section(name, elfcpp::SHT_PROGBITS,
-						 sh_flags, ORDER_INVALID,
-						 false);
-  os->set_found_in_sections_clause();
-  if (section_type == Script_sections::ST_NOLOAD)
-    os->set_is_noload();
-  return os;
-}
-
-// Return the number of segments we expect to see.
-
-size_t
-Layout::expected_segment_count() const
-{
-  size_t ret = this->segment_list_.size();
-
-  // If we didn't see a SECTIONS clause in a linker script, we should
-  // already have the complete list of segments.  Otherwise we ask the
-  // SECTIONS clause how many segments it expects, and add in the ones
-  // we already have (PT_GNU_STACK, PT_GNU_EH_FRAME, etc.)
-
-  if (!this->script_options_->saw_sections_clause())
-    return ret;
-  else
-    {
-      const Script_sections* ss = this->script_options_->script_sections();
-      return ret + ss->expected_segment_count(this);
-    }
-}
-
-// Handle the .note.GNU-stack section at layout time.  SEEN_GNU_STACK
-// is whether we saw a .note.GNU-stack section in the object file.
-// GNU_STACK_FLAGS is the section flags.  The flags give the
-// protection required for stack memory.  We record this in an
-// executable as a PT_GNU_STACK segment.  If an object file does not
-// have a .note.GNU-stack segment, we must assume that it is an old
-// object.  On some targets that will force an executable stack.
-
-void
-Layout::layout_gnu_stack(bool seen_gnu_stack, uint64_t gnu_stack_flags,
-			 const Object* obj)
-{
-  if (!seen_gnu_stack)
-    {
-      this->input_without_gnu_stack_note_ = true;
-      if (parameters->options().warn_execstack()
-	  && parameters->target().is_default_stack_executable())
-	gold_warning(_("%s: missing .note.GNU-stack section"
-		       " implies executable stack"),
-		     obj->name().c_str());
-    }
-  else
-    {
-      this->input_with_gnu_stack_note_ = true;
-      if ((gnu_stack_flags & elfcpp::SHF_EXECINSTR) != 0)
-	{
-	  this->input_requires_executable_stack_ = true;
-	  if (parameters->options().warn_execstack()
-	      || parameters->options().is_stack_executable())
-	    gold_warning(_("%s: requires executable stack"),
-			 obj->name().c_str());
-	}
-    }
-}
-
-// Create automatic note sections.
-
-void
-Layout::create_notes()
-{
-  this->create_gold_note();
-  this->create_executable_stack_info();
-  this->create_build_id();
-}
-
-// Create the dynamic sections which are needed before we read the
-// relocs.
-
-void
-Layout::create_initial_dynamic_sections(Symbol_table* symtab)
-{
-  if (parameters->doing_static_link())
-    return;
-
-  this->dynamic_section_ = this->choose_output_section(NULL, ".dynamic",
-						       elfcpp::SHT_DYNAMIC,
-						       (elfcpp::SHF_ALLOC
-							| elfcpp::SHF_WRITE),
-						       false, ORDER_RELRO,
-						       true);
-
-  // A linker script may discard .dynamic, so check for NULL.
-  if (this->dynamic_section_ != NULL)
-    {
-      this->dynamic_symbol_ =
-	symtab->define_in_output_data("_DYNAMIC", NULL,
-				      Symbol_table::PREDEFINED,
-				      this->dynamic_section_, 0, 0,
-				      elfcpp::STT_OBJECT, elfcpp::STB_LOCAL,
-				      elfcpp::STV_HIDDEN, 0, false, false);
-
-      this->dynamic_data_ =  new Output_data_dynamic(&this->dynpool_);
-
-      this->dynamic_section_->add_output_section_data(this->dynamic_data_);
-    }
-}
-
-// For each output section whose name can be represented as C symbol,
-// define __start and __stop symbols for the section.  This is a GNU
-// extension.
-
-void
-Layout::define_section_symbols(Symbol_table* symtab)
-{
-  for (Section_list::const_iterator p = this->section_list_.begin();
-       p != this->section_list_.end();
-       ++p)
-    {
-      const char* const name = (*p)->name();
-      if (is_cident(name))
-	{
-	  const std::string name_string(name);
-	  const std::string start_name(cident_section_start_prefix
-				       + name_string);
-	  const std::string stop_name(cident_section_stop_prefix
-				      + name_string);
-
-	  symtab->define_in_output_data(start_name.c_str(),
-					NULL, // version
-					Symbol_table::PREDEFINED,
-					*p,
-					0, // value
-					0, // symsize
-					elfcpp::STT_NOTYPE,
-					elfcpp::STB_GLOBAL,
-					elfcpp::STV_DEFAULT,
-					0, // nonvis
-					false, // offset_is_from_end
-					true); // only_if_ref
-
-	  symtab->define_in_output_data(stop_name.c_str(),
-					NULL, // version
-					Symbol_table::PREDEFINED,
-					*p,
-					0, // value
-					0, // symsize
-					elfcpp::STT_NOTYPE,
-					elfcpp::STB_GLOBAL,
-					elfcpp::STV_DEFAULT,
-					0, // nonvis
-					true, // offset_is_from_end
-					true); // only_if_ref
-	}
-    }
-}
-
-// Define symbols for group signatures.
-
-void
-Layout::define_group_signatures(Symbol_table* symtab)
-{
-  for (Group_signatures::iterator p = this->group_signatures_.begin();
-       p != this->group_signatures_.end();
-       ++p)
-    {
-      Symbol* sym = symtab->lookup(p->signature, NULL);
-      if (sym != NULL)
-	p->section->set_info_symndx(sym);
-      else
-	{
-	  // Force the name of the group section to the group
-	  // signature, and use the group's section symbol as the
-	  // signature symbol.
-	  if (strcmp(p->section->name(), p->signature) != 0)
-	    {
-	      const char* name = this->namepool_.add(p->signature,
-						     true, NULL);
-	      p->section->set_name(name);
-	    }
-	  p->section->set_needs_symtab_index();
-	  p->section->set_info_section_symndx(p->section);
-	}
-    }
-
-  this->group_signatures_.clear();
-}
-
-// Find the first read-only PT_LOAD segment, creating one if
-// necessary.
-
-Output_segment*
-Layout::find_first_load_seg(const Target* target)
-{
-  Output_segment* best = NULL;
-  for (Segment_list::const_iterator p = this->segment_list_.begin();
-       p != this->segment_list_.end();
-       ++p)
-    {
-      if ((*p)->type() == elfcpp::PT_LOAD
-	  && ((*p)->flags() & elfcpp::PF_R) != 0
-	  && (parameters->options().omagic()
-	      || ((*p)->flags() & elfcpp::PF_W) == 0)
-	  && (!target->isolate_execinstr()
-	      || ((*p)->flags() & elfcpp::PF_X) == 0))
-	{
-	  if (best == NULL || this->segment_precedes(*p, best))
-	    best = *p;
-	}
-    }
-  if (best != NULL)
-    return best;
-
-  gold_assert(!this->script_options_->saw_phdrs_clause());
-
-  Output_segment* load_seg = this->make_output_segment(elfcpp::PT_LOAD,
-						       elfcpp::PF_R);
-  return load_seg;
-}
-
-// Save states of all current output segments.  Store saved states
-// in SEGMENT_STATES.
-
-void
-Layout::save_segments(Segment_states* segment_states)
-{
-  for (Segment_list::const_iterator p = this->segment_list_.begin();
-       p != this->segment_list_.end();
-       ++p)
-    {
-      Output_segment* segment = *p;
-      // Shallow copy.
-      Output_segment* copy = new Output_segment(*segment);
-      (*segment_states)[segment] = copy;
-    }
-}
-
-// Restore states of output segments and delete any segment not found in
-// SEGMENT_STATES.
-
-void
-Layout::restore_segments(const Segment_states* segment_states)
-{
-  // Go through the segment list and remove any segment added in the
-  // relaxation loop.
-  this->tls_segment_ = NULL;
-  this->relro_segment_ = NULL;
-  Segment_list::iterator list_iter = this->segment_list_.begin();
-  while (list_iter != this->segment_list_.end())
-    {
-      Output_segment* segment = *list_iter;
-      Segment_states::const_iterator states_iter =
-	  segment_states->find(segment);
-      if (states_iter != segment_states->end())
-	{
-	  const Output_segment* copy = states_iter->second;
-	  // Shallow copy to restore states.
-	  *segment = *copy;
-
-	  // Also fix up TLS and RELRO segment pointers as appropriate.
-	  if (segment->type() == elfcpp::PT_TLS)
-	    this->tls_segment_ = segment;
-	  else if (segment->type() == elfcpp::PT_GNU_RELRO)
-	    this->relro_segment_ = segment;
-
-	  ++list_iter;
-	}
-      else
-	{
-	  list_iter = this->segment_list_.erase(list_iter);
-	  // This is a segment created during section layout.  It should be
-	  // safe to remove it since we should have removed all pointers to it.
-	  delete segment;
-	}
-    }
-}
-
-// Clean up after relaxation so that sections can be laid out again.
-
-void
-Layout::clean_up_after_relaxation()
-{
-  // Restore the segments to point state just prior to the relaxation loop.
-  Script_sections* script_section = this->script_options_->script_sections();
-  script_section->release_segments();
-  this->restore_segments(this->segment_states_);
-
-  // Reset section addresses and file offsets
-  for (Section_list::iterator p = this->section_list_.begin();
-       p != this->section_list_.end();
-       ++p)
-    {
-      (*p)->restore_states();
-
-      // If an input section changes size because of relaxation,
-      // we need to adjust the section offsets of all input sections.
-      // after such a section.
-      if ((*p)->section_offsets_need_adjustment())
-	(*p)->adjust_section_offsets();
-
-      (*p)->reset_address_and_file_offset();
-    }
-
-  // Reset special output object address and file offsets.
-  for (Data_list::iterator p = this->special_output_list_.begin();
-       p != this->special_output_list_.end();
-       ++p)
-    (*p)->reset_address_and_file_offset();
-
-  // A linker script may have created some output section data objects.
-  // They are useless now.
-  for (Output_section_data_list::const_iterator p =
-	 this->script_output_section_data_list_.begin();
-       p != this->script_output_section_data_list_.end();
-       ++p)
-    delete *p;
-  this->script_output_section_data_list_.clear();
-}
-
-// Prepare for relaxation.
-
-void
-Layout::prepare_for_relaxation()
-{
-  // Create an relaxation debug check if in debugging mode.
-  if (is_debugging_enabled(DEBUG_RELAXATION))
-    this->relaxation_debug_check_ = new Relaxation_debug_check();
-
-  // Save segment states.
-  this->segment_states_ = new Segment_states();
-  this->save_segments(this->segment_states_);
-
-  for(Section_list::const_iterator p = this->section_list_.begin();
-      p != this->section_list_.end();
-      ++p)
-    (*p)->save_states();
-
-  if (is_debugging_enabled(DEBUG_RELAXATION))
-    this->relaxation_debug_check_->check_output_data_for_reset_values(
-	this->section_list_, this->special_output_list_);
-
-  // Also enable recording of output section data from scripts.
-  this->record_output_section_data_from_script_ = true;
-}
-
-// Relaxation loop body:  If target has no relaxation, this runs only once
-// Otherwise, the target relaxation hook is called at the end of
-// each iteration.  If the hook returns true, it means re-layout of
-// section is required.
-//
-// The number of segments created by a linking script without a PHDRS
-// clause may be affected by section sizes and alignments.  There is
-// a remote chance that relaxation causes different number of PT_LOAD
-// segments are created and sections are attached to different segments.
-// Therefore, we always throw away all segments created during section
-// layout.  In order to be able to restart the section layout, we keep
-// a copy of the segment list right before the relaxation loop and use
-// that to restore the segments.
-//
-// PASS is the current relaxation pass number.
-// SYMTAB is a symbol table.
-// PLOAD_SEG is the address of a pointer for the load segment.
-// PHDR_SEG is a pointer to the PHDR segment.
-// SEGMENT_HEADERS points to the output segment header.
-// FILE_HEADER points to the output file header.
-// PSHNDX is the address to store the output section index.
-
-off_t inline
-Layout::relaxation_loop_body(
-    int pass,
-    Target* target,
-    Symbol_table* symtab,
-    Output_segment** pload_seg,
-    Output_segment* phdr_seg,
-    Output_segment_headers* segment_headers,
-    Output_file_header* file_header,
-    unsigned int* pshndx)
-{
-  // If this is not the first iteration, we need to clean up after
-  // relaxation so that we can lay out the sections again.
-  if (pass != 0)
-    this->clean_up_after_relaxation();
-
-  // If there is a SECTIONS clause, put all the input sections into
-  // the required order.
-  Output_segment* load_seg;
-  if (this->script_options_->saw_sections_clause())
-    load_seg = this->set_section_addresses_from_script(symtab);
-  else if (parameters->options().relocatable())
-    load_seg = NULL;
-  else
-    load_seg = this->find_first_load_seg(target);
-
-  if (parameters->options().oformat_enum()
-      != General_options::OBJECT_FORMAT_ELF)
-    load_seg = NULL;
-
-  // If the user set the address of the text segment, that may not be
-  // compatible with putting the segment headers and file headers into
-  // that segment.
-  if (parameters->options().user_set_Ttext()
-      && parameters->options().Ttext() % target->common_pagesize() != 0)
-    {
-      load_seg = NULL;
-      phdr_seg = NULL;
-    }
-
-  gold_assert(phdr_seg == NULL
-	      || load_seg != NULL
-	      || this->script_options_->saw_sections_clause());
-
-  // If the address of the load segment we found has been set by
-  // --section-start rather than by a script, then adjust the VMA and
-  // LMA downward if possible to include the file and section headers.
-  uint64_t header_gap = 0;
-  if (load_seg != NULL
-      && load_seg->are_addresses_set()
-      && !this->script_options_->saw_sections_clause()
-      && !parameters->options().relocatable())
-    {
-      file_header->finalize_data_size();
-      segment_headers->finalize_data_size();
-      size_t sizeof_headers = (file_header->data_size()
-			       + segment_headers->data_size());
-      const uint64_t abi_pagesize = target->abi_pagesize();
-      uint64_t hdr_paddr = load_seg->paddr() - sizeof_headers;
-      hdr_paddr &= ~(abi_pagesize - 1);
-      uint64_t subtract = load_seg->paddr() - hdr_paddr;
-      if (load_seg->paddr() < subtract || load_seg->vaddr() < subtract)
-	load_seg = NULL;
-      else
-	{
-	  load_seg->set_addresses(load_seg->vaddr() - subtract,
-				  load_seg->paddr() - subtract);
-	  header_gap = subtract - sizeof_headers;
-	}
-    }
-
-  // Lay out the segment headers.
-  if (!parameters->options().relocatable())
-    {
-      gold_assert(segment_headers != NULL);
-      if (header_gap != 0 && load_seg != NULL)
-	{
-	  Output_data_zero_fill* z = new Output_data_zero_fill(header_gap, 1);
-	  load_seg->add_initial_output_data(z);
-	}
-      if (load_seg != NULL)
-	load_seg->add_initial_output_data(segment_headers);
-      if (phdr_seg != NULL)
-	phdr_seg->add_initial_output_data(segment_headers);
-    }
-
-  // Lay out the file header.
-  if (load_seg != NULL)
-    load_seg->add_initial_output_data(file_header);
-
-  if (this->script_options_->saw_phdrs_clause()
-      && !parameters->options().relocatable())
-    {
-      // Support use of FILEHDRS and PHDRS attachments in a PHDRS
-      // clause in a linker script.
-      Script_sections* ss = this->script_options_->script_sections();
-      ss->put_headers_in_phdrs(file_header, segment_headers);
-    }
-
-  // We set the output section indexes in set_segment_offsets and
-  // set_section_indexes.
-  *pshndx = 1;
-
-  // Set the file offsets of all the segments, and all the sections
-  // they contain.
-  off_t off;
-  if (!parameters->options().relocatable())
-    off = this->set_segment_offsets(target, load_seg, pshndx);
-  else
-    off = this->set_relocatable_section_offsets(file_header, pshndx);
-
-   // Verify that the dummy relaxation does not change anything.
-  if (is_debugging_enabled(DEBUG_RELAXATION))
-    {
-      if (pass == 0)
-	this->relaxation_debug_check_->read_sections(this->section_list_);
-      else
-	this->relaxation_debug_check_->verify_sections(this->section_list_);
-    }
-
-  *pload_seg = load_seg;
-  return off;
-}
-
-// Search the list of patterns and find the postion of the given section
-// name in the output section.  If the section name matches a glob
-// pattern and a non-glob name, then the non-glob position takes
-// precedence.  Return 0 if no match is found.
-
-unsigned int
-Layout::find_section_order_index(const std::string& section_name)
-{
-  Unordered_map<std::string, unsigned int>::iterator map_it;
-  map_it = this->input_section_position_.find(section_name);
-  if (map_it != this->input_section_position_.end())
-    return map_it->second;
-
-  // Absolute match failed.  Linear search the glob patterns.
-  std::vector<std::string>::iterator it;
-  for (it = this->input_section_glob_.begin();
-       it != this->input_section_glob_.end();
-       ++it)
-    {
-       if (fnmatch((*it).c_str(), section_name.c_str(), FNM_NOESCAPE) == 0)
-	 {
-	   map_it = this->input_section_position_.find(*it);
-	   gold_assert(map_it != this->input_section_position_.end());
-	   return map_it->second;
-	 }
-    }
-  return 0;
-}
-
-// Read the sequence of input sections from the file specified with
-// option --section-ordering-file.
-
-void
-Layout::read_layout_from_file()
-{
-  const char* filename = parameters->options().section_ordering_file();
-  std::ifstream in;
-  std::string line;
-
-  in.open(filename);
-  if (!in)
-    gold_fatal(_("unable to open --section-ordering-file file %s: %s"),
-	       filename, strerror(errno));
-
-  std::getline(in, line);   // this chops off the trailing \n, if any
-  unsigned int position = 1;
-  this->set_section_ordering_specified();
-
-  while (in)
-    {
-      if (!line.empty() && line[line.length() - 1] == '\r')   // Windows
-	line.resize(line.length() - 1);
-      // Ignore comments, beginning with '#'
-      if (line[0] == '#')
-	{
-	  std::getline(in, line);
-	  continue;
-	}
-      this->input_section_position_[line] = position;
-      // Store all glob patterns in a vector.
-      if (is_wildcard_string(line.c_str()))
-	this->input_section_glob_.push_back(line);
-      position++;
-      std::getline(in, line);
-    }
-}
-
-// Finalize the layout.  When this is called, we have created all the
-// output sections and all the output segments which are based on
-// input sections.  We have several things to do, and we have to do
-// them in the right order, so that we get the right results correctly
-// and efficiently.
-
-// 1) Finalize the list of output segments and create the segment
-// table header.
-
-// 2) Finalize the dynamic symbol table and associated sections.
-
-// 3) Determine the final file offset of all the output segments.
-
-// 4) Determine the final file offset of all the SHF_ALLOC output
-// sections.
-
-// 5) Create the symbol table sections and the section name table
-// section.
-
-// 6) Finalize the symbol table: set symbol values to their final
-// value and make a final determination of which symbols are going
-// into the output symbol table.
-
-// 7) Create the section table header.
-
-// 8) Determine the final file offset of all the output sections which
-// are not SHF_ALLOC, including the section table header.
-
-// 9) Finalize the ELF file header.
-
-// This function returns the size of the output file.
-
-off_t
-Layout::finalize(const Input_objects* input_objects, Symbol_table* symtab,
-		 Target* target, const Task* task)
-{
-  target->finalize_sections(this, input_objects, symtab);
-
-  this->count_local_symbols(task, input_objects);
-
-  this->link_stabs_sections();
-
-  Output_segment* phdr_seg = NULL;
-  if (!parameters->options().relocatable() && !parameters->doing_static_link())
-    {
-      // There was a dynamic object in the link.  We need to create
-      // some information for the dynamic linker.
-
-      // Create the PT_PHDR segment which will hold the program
-      // headers.
-      if (!this->script_options_->saw_phdrs_clause())
-	phdr_seg = this->make_output_segment(elfcpp::PT_PHDR, elfcpp::PF_R);
-
-      // Create the dynamic symbol table, including the hash table.
-      Output_section* dynstr;
-      std::vector<Symbol*> dynamic_symbols;
-      unsigned int local_dynamic_count;
-      Versions versions(*this->script_options()->version_script_info(),
-			&this->dynpool_);
-      this->create_dynamic_symtab(input_objects, symtab, &dynstr,
-				  &local_dynamic_count, &dynamic_symbols,
-				  &versions);
-
-      // Create the .interp section to hold the name of the
-      // interpreter, and put it in a PT_INTERP segment.  Don't do it
-      // if we saw a .interp section in an input file.
-      if ((!parameters->options().shared()
-	   || parameters->options().dynamic_linker() != NULL)
-	  && this->interp_segment_ == NULL)
-	this->create_interp(target);
-
-      // Finish the .dynamic section to hold the dynamic data, and put
-      // it in a PT_DYNAMIC segment.
-      this->finish_dynamic_section(input_objects, symtab);
-
-      // We should have added everything we need to the dynamic string
-      // table.
-      this->dynpool_.set_string_offsets();
-
-      // Create the version sections.  We can't do this until the
-      // dynamic string table is complete.
-      this->create_version_sections(&versions, symtab, local_dynamic_count,
-				    dynamic_symbols, dynstr);
-
-      // Set the size of the _DYNAMIC symbol.  We can't do this until
-      // after we call create_version_sections.
-      this->set_dynamic_symbol_size(symtab);
-    }
-
-  // Create segment headers.
-  Output_segment_headers* segment_headers =
-    (parameters->options().relocatable()
-     ? NULL
-     : new Output_segment_headers(this->segment_list_));
-
-  // Lay out the file header.
-  Output_file_header* file_header = new Output_file_header(target, symtab,
-							   segment_headers);
-
-  this->special_output_list_.push_back(file_header);
-  if (segment_headers != NULL)
-    this->special_output_list_.push_back(segment_headers);
-
-  // Find approriate places for orphan output sections if we are using
-  // a linker script.
-  if (this->script_options_->saw_sections_clause())
-    this->place_orphan_sections_in_script();
-
-  Output_segment* load_seg;
-  off_t off;
-  unsigned int shndx;
-  int pass = 0;
-
-  // Take a snapshot of the section layout as needed.
-  if (target->may_relax())
-    this->prepare_for_relaxation();
-
-  // Run the relaxation loop to lay out sections.
-  do
-    {
-      off = this->relaxation_loop_body(pass, target, symtab, &load_seg,
-				       phdr_seg, segment_headers, file_header,
-				       &shndx);
-      pass++;
-    }
-  while (target->may_relax()
-	 && target->relax(pass, input_objects, symtab, this, task));
-
-  // If there is a load segment that contains the file and program headers,
-  // provide a symbol __ehdr_start pointing there.
-  // A program can use this to examine itself robustly.
-  if (load_seg != NULL)
-    symtab->define_in_output_segment("__ehdr_start", NULL,
-				     Symbol_table::PREDEFINED, load_seg, 0, 0,
-				     elfcpp::STT_NOTYPE, elfcpp::STB_GLOBAL,
-				     elfcpp::STV_DEFAULT, 0,
-				     Symbol::SEGMENT_START, true);
-
-  // Set the file offsets of all the non-data sections we've seen so
-  // far which don't have to wait for the input sections.  We need
-  // this in order to finalize local symbols in non-allocated
-  // sections.
-  off = this->set_section_offsets(off, BEFORE_INPUT_SECTIONS_PASS);
-
-  // Set the section indexes of all unallocated sections seen so far,
-  // in case any of them are somehow referenced by a symbol.
-  shndx = this->set_section_indexes(shndx);
-
-  // Create the symbol table sections.
-  this->create_symtab_sections(input_objects, symtab, shndx, &off);
-  if (!parameters->doing_static_link())
-    this->assign_local_dynsym_offsets(input_objects);
-
-  // Process any symbol assignments from a linker script.  This must
-  // be called after the symbol table has been finalized.
-  this->script_options_->finalize_symbols(symtab, this);
-
-  // Create the incremental inputs sections.
-  if (this->incremental_inputs_)
-    {
-      this->incremental_inputs_->finalize();
-      this->create_incremental_info_sections(symtab);
-    }
-
-  // Create the .shstrtab section.
-  Output_section* shstrtab_section = this->create_shstrtab();
-
-  // Set the file offsets of the rest of the non-data sections which
-  // don't have to wait for the input sections.
-  off = this->set_section_offsets(off, BEFORE_INPUT_SECTIONS_PASS);
-
-  // Now that all sections have been created, set the section indexes
-  // for any sections which haven't been done yet.
-  shndx = this->set_section_indexes(shndx);
-
-  // Create the section table header.
-  this->create_shdrs(shstrtab_section, &off);
-
-  // If there are no sections which require postprocessing, we can
-  // handle the section names now, and avoid a resize later.
-  if (!this->any_postprocessing_sections_)
-    {
-      off = this->set_section_offsets(off,
-				      POSTPROCESSING_SECTIONS_PASS);
-      off =
-	  this->set_section_offsets(off,
-				    STRTAB_AFTER_POSTPROCESSING_SECTIONS_PASS);
-    }
-
-  file_header->set_section_info(this->section_headers_, shstrtab_section);
-
-  // Now we know exactly where everything goes in the output file
-  // (except for non-allocated sections which require postprocessing).
-  Output_data::layout_complete();
-
-  this->output_file_size_ = off;
-
-  return off;
-}
-
-// Create a note header following the format defined in the ELF ABI.
-// NAME is the name, NOTE_TYPE is the type, SECTION_NAME is the name
-// of the section to create, DESCSZ is the size of the descriptor.
-// ALLOCATE is true if the section should be allocated in memory.
-// This returns the new note section.  It sets *TRAILING_PADDING to
-// the number of trailing zero bytes required.
-
-Output_section*
-Layout::create_note(const char* name, int note_type,
-		    const char* section_name, size_t descsz,
-		    bool allocate, size_t* trailing_padding)
-{
-  // Authorities all agree that the values in a .note field should
-  // be aligned on 4-byte boundaries for 32-bit binaries.  However,
-  // they differ on what the alignment is for 64-bit binaries.
-  // The GABI says unambiguously they take 8-byte alignment:
-  //    http://sco.com/developers/gabi/latest/ch5.pheader.html#note_section
-  // Other documentation says alignment should always be 4 bytes:
-  //    http://www.netbsd.org/docs/kernel/elf-notes.html#note-format
-  // GNU ld and GNU readelf both support the latter (at least as of
-  // version 2.16.91), and glibc always generates the latter for
-  // .note.ABI-tag (as of version 1.6), so that's the one we go with
-  // here.
-#ifdef GABI_FORMAT_FOR_DOTNOTE_SECTION   // This is not defined by default.
-  const int size = parameters->target().get_size();
-#else
-  const int size = 32;
-#endif
-
-  // The contents of the .note section.
-  size_t namesz = strlen(name) + 1;
-  size_t aligned_namesz = align_address(namesz, size / 8);
-  size_t aligned_descsz = align_address(descsz, size / 8);
-
-  size_t notehdrsz = 3 * (size / 8) + aligned_namesz;
-
-  unsigned char* buffer = new unsigned char[notehdrsz];
-  memset(buffer, 0, notehdrsz);
-
-  bool is_big_endian = parameters->target().is_big_endian();
-
-  if (size == 32)
-    {
-      if (!is_big_endian)
-	{
-	  elfcpp::Swap<32, false>::writeval(buffer, namesz);
-	  elfcpp::Swap<32, false>::writeval(buffer + 4, descsz);
-	  elfcpp::Swap<32, false>::writeval(buffer + 8, note_type);
-	}
-      else
-	{
-	  elfcpp::Swap<32, true>::writeval(buffer, namesz);
-	  elfcpp::Swap<32, true>::writeval(buffer + 4, descsz);
-	  elfcpp::Swap<32, true>::writeval(buffer + 8, note_type);
-	}
-    }
-  else if (size == 64)
-    {
-      if (!is_big_endian)
-	{
-	  elfcpp::Swap<64, false>::writeval(buffer, namesz);
-	  elfcpp::Swap<64, false>::writeval(buffer + 8, descsz);
-	  elfcpp::Swap<64, false>::writeval(buffer + 16, note_type);
-	}
-      else
-	{
-	  elfcpp::Swap<64, true>::writeval(buffer, namesz);
-	  elfcpp::Swap<64, true>::writeval(buffer + 8, descsz);
-	  elfcpp::Swap<64, true>::writeval(buffer + 16, note_type);
-	}
-    }
-  else
-    gold_unreachable();
-
-  memcpy(buffer + 3 * (size / 8), name, namesz);
-
-  elfcpp::Elf_Xword flags = 0;
-  Output_section_order order = ORDER_INVALID;
-  if (allocate)
-    {
-      flags = elfcpp::SHF_ALLOC;
-      order = ORDER_RO_NOTE;
-    }
-  Output_section* os = this->choose_output_section(NULL, section_name,
-						   elfcpp::SHT_NOTE,
-						   flags, false, order, false);
-  if (os == NULL)
-    return NULL;
-
-  Output_section_data* posd = new Output_data_const_buffer(buffer, notehdrsz,
-							   size / 8,
-							   "** note header");
-  os->add_output_section_data(posd);
-
-  *trailing_padding = aligned_descsz - descsz;
-
-  return os;
-}
-
-// For an executable or shared library, create a note to record the
-// version of gold used to create the binary.
-
-void
-Layout::create_gold_note()
-{
-  if (parameters->options().relocatable()
-      || parameters->incremental_update())
-    return;
-
-  std::string desc = std::string("gold ") + gold::get_version_string();
-
-  size_t trailing_padding;
-  Output_section* os = this->create_note("GNU", elfcpp::NT_GNU_GOLD_VERSION,
-					 ".note.gnu.gold-version", desc.size(),
-					 false, &trailing_padding);
-  if (os == NULL)
-    return;
-
-  Output_section_data* posd = new Output_data_const(desc, 4);
-  os->add_output_section_data(posd);
-
-  if (trailing_padding > 0)
-    {
-      posd = new Output_data_zero_fill(trailing_padding, 0);
-      os->add_output_section_data(posd);
-    }
-}
-
-// Record whether the stack should be executable.  This can be set
-// from the command line using the -z execstack or -z noexecstack
-// options.  Otherwise, if any input file has a .note.GNU-stack
-// section with the SHF_EXECINSTR flag set, the stack should be
-// executable.  Otherwise, if at least one input file a
-// .note.GNU-stack section, and some input file has no .note.GNU-stack
-// section, we use the target default for whether the stack should be
-// executable.  Otherwise, we don't generate a stack note.  When
-// generating a object file, we create a .note.GNU-stack section with
-// the appropriate marking.  When generating an executable or shared
-// library, we create a PT_GNU_STACK segment.
-
-void
-Layout::create_executable_stack_info()
-{
-  bool is_stack_executable;
-  if (parameters->options().is_execstack_set())
-    is_stack_executable = parameters->options().is_stack_executable();
-  else if (!this->input_with_gnu_stack_note_)
-    return;
-  else
-    {
-      if (this->input_requires_executable_stack_)
-	is_stack_executable = true;
-      else if (this->input_without_gnu_stack_note_)
-	is_stack_executable =
-	  parameters->target().is_default_stack_executable();
-      else
-	is_stack_executable = false;
-    }
-
-  if (parameters->options().relocatable())
-    {
-      const char* name = this->namepool_.add(".note.GNU-stack", false, NULL);
-      elfcpp::Elf_Xword flags = 0;
-      if (is_stack_executable)
-	flags |= elfcpp::SHF_EXECINSTR;
-      this->make_output_section(name, elfcpp::SHT_PROGBITS, flags,
-				ORDER_INVALID, false);
-    }
-  else
-    {
-      if (this->script_options_->saw_phdrs_clause())
-	return;
-      int flags = elfcpp::PF_R | elfcpp::PF_W;
-      if (is_stack_executable)
-	flags |= elfcpp::PF_X;
-      this->make_output_segment(elfcpp::PT_GNU_STACK, flags);
-    }
-}
-
-// If --build-id was used, set up the build ID note.
-
-void
-Layout::create_build_id()
-{
-  if (!parameters->options().user_set_build_id())
-    return;
-
-  const char* style = parameters->options().build_id();
-  if (strcmp(style, "none") == 0)
-    return;
-
-  // Set DESCSZ to the size of the note descriptor.  When possible,
-  // set DESC to the note descriptor contents.
-  size_t descsz;
-  std::string desc;
-  if (strcmp(style, "md5") == 0)
-    descsz = 128 / 8;
-  else if (strcmp(style, "sha1") == 0)
-    descsz = 160 / 8;
-  else if (strcmp(style, "uuid") == 0)
-    {
-      const size_t uuidsz = 128 / 8;
-
-      char buffer[uuidsz];
-      memset(buffer, 0, uuidsz);
-
-      int descriptor = open_descriptor(-1, "/dev/urandom", O_RDONLY);
-      if (descriptor < 0)
-	gold_error(_("--build-id=uuid failed: could not open /dev/urandom: %s"),
-		   strerror(errno));
-      else
-	{
-	  ssize_t got = ::read(descriptor, buffer, uuidsz);
-	  release_descriptor(descriptor, true);
-	  if (got < 0)
-	    gold_error(_("/dev/urandom: read failed: %s"), strerror(errno));
-	  else if (static_cast<size_t>(got) != uuidsz)
-	    gold_error(_("/dev/urandom: expected %zu bytes, got %zd bytes"),
-		       uuidsz, got);
-	}
-
-      desc.assign(buffer, uuidsz);
-      descsz = uuidsz;
-    }
-  else if (strncmp(style, "0x", 2) == 0)
-    {
-      hex_init();
-      const char* p = style + 2;
-      while (*p != '\0')
-	{
-	  if (hex_p(p[0]) && hex_p(p[1]))
-	    {
-	      char c = (hex_value(p[0]) << 4) | hex_value(p[1]);
-	      desc += c;
-	      p += 2;
-	    }
-	  else if (*p == '-' || *p == ':')
-	    ++p;
-	  else
-	    gold_fatal(_("--build-id argument '%s' not a valid hex number"),
-		       style);
-	}
-      descsz = desc.size();
-    }
-  else
-    gold_fatal(_("unrecognized --build-id argument '%s'"), style);
-
-  // Create the note.
-  size_t trailing_padding;
-  Output_section* os = this->create_note("GNU", elfcpp::NT_GNU_BUILD_ID,
-					 ".note.gnu.build-id", descsz, true,
-					 &trailing_padding);
-  if (os == NULL)
-    return;
-
-  if (!desc.empty())
-    {
-      // We know the value already, so we fill it in now.
-      gold_assert(desc.size() == descsz);
-
-      Output_section_data* posd = new Output_data_const(desc, 4);
-      os->add_output_section_data(posd);
-
-      if (trailing_padding != 0)
-	{
-	  posd = new Output_data_zero_fill(trailing_padding, 0);
-	  os->add_output_section_data(posd);
-	}
-    }
-  else
-    {
-      // We need to compute a checksum after we have completed the
-      // link.
-      gold_assert(trailing_padding == 0);
-      this->build_id_note_ = new Output_data_zero_fill(descsz, 4);
-      os->add_output_section_data(this->build_id_note_);
-    }
-}
-
-// If we have both .stabXX and .stabXXstr sections, then the sh_link
-// field of the former should point to the latter.  I'm not sure who
-// started this, but the GNU linker does it, and some tools depend
-// upon it.
-
-void
-Layout::link_stabs_sections()
-{
-  if (!this->have_stabstr_section_)
-    return;
-
-  for (Section_list::iterator p = this->section_list_.begin();
-       p != this->section_list_.end();
-       ++p)
-    {
-      if ((*p)->type() != elfcpp::SHT_STRTAB)
-	continue;
-
-      const char* name = (*p)->name();
-      if (strncmp(name, ".stab", 5) != 0)
-	continue;
-
-      size_t len = strlen(name);
-      if (strcmp(name + len - 3, "str") != 0)
-	continue;
-
-      std::string stab_name(name, len - 3);
-      Output_section* stab_sec;
-      stab_sec = this->find_output_section(stab_name.c_str());
-      if (stab_sec != NULL)
-	stab_sec->set_link_section(*p);
-    }
-}
-
-// Create .gnu_incremental_inputs and related sections needed
-// for the next run of incremental linking to check what has changed.
-
-void
-Layout::create_incremental_info_sections(Symbol_table* symtab)
-{
-  Incremental_inputs* incr = this->incremental_inputs_;
-
-  gold_assert(incr != NULL);
-
-  // Create the .gnu_incremental_inputs, _symtab, and _relocs input sections.
-  incr->create_data_sections(symtab);
-
-  // Add the .gnu_incremental_inputs section.
-  const char* incremental_inputs_name =
-    this->namepool_.add(".gnu_incremental_inputs", false, NULL);
-  Output_section* incremental_inputs_os =
-    this->make_output_section(incremental_inputs_name,
-			      elfcpp::SHT_GNU_INCREMENTAL_INPUTS, 0,
-			      ORDER_INVALID, false);
-  incremental_inputs_os->add_output_section_data(incr->inputs_section());
-
-  // Add the .gnu_incremental_symtab section.
-  const char* incremental_symtab_name =
-    this->namepool_.add(".gnu_incremental_symtab", false, NULL);
-  Output_section* incremental_symtab_os =
-    this->make_output_section(incremental_symtab_name,
-			      elfcpp::SHT_GNU_INCREMENTAL_SYMTAB, 0,
-			      ORDER_INVALID, false);
-  incremental_symtab_os->add_output_section_data(incr->symtab_section());
-  incremental_symtab_os->set_entsize(4);
-
-  // Add the .gnu_incremental_relocs section.
-  const char* incremental_relocs_name =
-    this->namepool_.add(".gnu_incremental_relocs", false, NULL);
-  Output_section* incremental_relocs_os =
-    this->make_output_section(incremental_relocs_name,
-			      elfcpp::SHT_GNU_INCREMENTAL_RELOCS, 0,
-			      ORDER_INVALID, false);
-  incremental_relocs_os->add_output_section_data(incr->relocs_section());
-  incremental_relocs_os->set_entsize(incr->relocs_entsize());
-
-  // Add the .gnu_incremental_got_plt section.
-  const char* incremental_got_plt_name =
-    this->namepool_.add(".gnu_incremental_got_plt", false, NULL);
-  Output_section* incremental_got_plt_os =
-    this->make_output_section(incremental_got_plt_name,
-			      elfcpp::SHT_GNU_INCREMENTAL_GOT_PLT, 0,
-			      ORDER_INVALID, false);
-  incremental_got_plt_os->add_output_section_data(incr->got_plt_section());
-
-  // Add the .gnu_incremental_strtab section.
-  const char* incremental_strtab_name =
-    this->namepool_.add(".gnu_incremental_strtab", false, NULL);
-  Output_section* incremental_strtab_os = this->make_output_section(incremental_strtab_name,
-							elfcpp::SHT_STRTAB, 0,
-							ORDER_INVALID, false);
-  Output_data_strtab* strtab_data =
-      new Output_data_strtab(incr->get_stringpool());
-  incremental_strtab_os->add_output_section_data(strtab_data);
-
-  incremental_inputs_os->set_after_input_sections();
-  incremental_symtab_os->set_after_input_sections();
-  incremental_relocs_os->set_after_input_sections();
-  incremental_got_plt_os->set_after_input_sections();
-
-  incremental_inputs_os->set_link_section(incremental_strtab_os);
-  incremental_symtab_os->set_link_section(incremental_inputs_os);
-  incremental_relocs_os->set_link_section(incremental_inputs_os);
-  incremental_got_plt_os->set_link_section(incremental_inputs_os);
-}
-
-// Return whether SEG1 should be before SEG2 in the output file.  This
-// is based entirely on the segment type and flags.  When this is
-// called the segment addresses have normally not yet been set.
-
-bool
-Layout::segment_precedes(const Output_segment* seg1,
-			 const Output_segment* seg2)
-{
-  elfcpp::Elf_Word type1 = seg1->type();
-  elfcpp::Elf_Word type2 = seg2->type();
-
-  // The single PT_PHDR segment is required to precede any loadable
-  // segment.  We simply make it always first.
-  if (type1 == elfcpp::PT_PHDR)
-    {
-      gold_assert(type2 != elfcpp::PT_PHDR);
-      return true;
-    }
-  if (type2 == elfcpp::PT_PHDR)
-    return false;
-
-  // The single PT_INTERP segment is required to precede any loadable
-  // segment.  We simply make it always second.
-  if (type1 == elfcpp::PT_INTERP)
-    {
-      gold_assert(type2 != elfcpp::PT_INTERP);
-      return true;
-    }
-  if (type2 == elfcpp::PT_INTERP)
-    return false;
-
-  // We then put PT_LOAD segments before any other segments.
-  if (type1 == elfcpp::PT_LOAD && type2 != elfcpp::PT_LOAD)
-    return true;
-  if (type2 == elfcpp::PT_LOAD && type1 != elfcpp::PT_LOAD)
-    return false;
-
-  // We put the PT_TLS segment last except for the PT_GNU_RELRO
-  // segment, because that is where the dynamic linker expects to find
-  // it (this is just for efficiency; other positions would also work
-  // correctly).
-  if (type1 == elfcpp::PT_TLS
-      && type2 != elfcpp::PT_TLS
-      && type2 != elfcpp::PT_GNU_RELRO)
-    return false;
-  if (type2 == elfcpp::PT_TLS
-      && type1 != elfcpp::PT_TLS
-      && type1 != elfcpp::PT_GNU_RELRO)
-    return true;
-
-  // We put the PT_GNU_RELRO segment last, because that is where the
-  // dynamic linker expects to find it (as with PT_TLS, this is just
-  // for efficiency).
-  if (type1 == elfcpp::PT_GNU_RELRO && type2 != elfcpp::PT_GNU_RELRO)
-    return false;
-  if (type2 == elfcpp::PT_GNU_RELRO && type1 != elfcpp::PT_GNU_RELRO)
-    return true;
-
-  const elfcpp::Elf_Word flags1 = seg1->flags();
-  const elfcpp::Elf_Word flags2 = seg2->flags();
-
-  // The order of non-PT_LOAD segments is unimportant.  We simply sort
-  // by the numeric segment type and flags values.  There should not
-  // be more than one segment with the same type and flags.
-  if (type1 != elfcpp::PT_LOAD)
-    {
-      if (type1 != type2)
-	return type1 < type2;
-      gold_assert(flags1 != flags2);
-      return flags1 < flags2;
-    }
-
-  // If the addresses are set already, sort by load address.
-  if (seg1->are_addresses_set())
-    {
-      if (!seg2->are_addresses_set())
-	return true;
-
-      unsigned int section_count1 = seg1->output_section_count();
-      unsigned int section_count2 = seg2->output_section_count();
-      if (section_count1 == 0 && section_count2 > 0)
-	return true;
-      if (section_count1 > 0 && section_count2 == 0)
-	return false;
-
-      uint64_t paddr1 =	(seg1->are_addresses_set()
-			 ? seg1->paddr()
-			 : seg1->first_section_load_address());
-      uint64_t paddr2 =	(seg2->are_addresses_set()
-			 ? seg2->paddr()
-			 : seg2->first_section_load_address());
-
-      if (paddr1 != paddr2)
-	return paddr1 < paddr2;
-    }
-  else if (seg2->are_addresses_set())
-    return false;
-
-  // A segment which holds large data comes after a segment which does
-  // not hold large data.
-  if (seg1->is_large_data_segment())
-    {
-      if (!seg2->is_large_data_segment())
-	return false;
-    }
-  else if (seg2->is_large_data_segment())
-    return true;
-
-  // Otherwise, we sort PT_LOAD segments based on the flags.  Readonly
-  // segments come before writable segments.  Then writable segments
-  // with data come before writable segments without data.  Then
-  // executable segments come before non-executable segments.  Then
-  // the unlikely case of a non-readable segment comes before the
-  // normal case of a readable segment.  If there are multiple
-  // segments with the same type and flags, we require that the
-  // address be set, and we sort by virtual address and then physical
-  // address.
-  if ((flags1 & elfcpp::PF_W) != (flags2 & elfcpp::PF_W))
-    return (flags1 & elfcpp::PF_W) == 0;
-  if ((flags1 & elfcpp::PF_W) != 0
-      && seg1->has_any_data_sections() != seg2->has_any_data_sections())
-    return seg1->has_any_data_sections();
-  if ((flags1 & elfcpp::PF_X) != (flags2 & elfcpp::PF_X))
-    return (flags1 & elfcpp::PF_X) != 0;
-  if ((flags1 & elfcpp::PF_R) != (flags2 & elfcpp::PF_R))
-    return (flags1 & elfcpp::PF_R) == 0;
-
-  // We shouldn't get here--we shouldn't create segments which we
-  // can't distinguish.  Unless of course we are using a weird linker
-  // script or overlapping --section-start options.
-  gold_assert(this->script_options_->saw_phdrs_clause()
-	      || parameters->options().any_section_start());
-  return false;
-}
-
-// Increase OFF so that it is congruent to ADDR modulo ABI_PAGESIZE.
-
-static off_t
-align_file_offset(off_t off, uint64_t addr, uint64_t abi_pagesize)
-{
-  uint64_t unsigned_off = off;
-  uint64_t aligned_off = ((unsigned_off & ~(abi_pagesize - 1))
-			  | (addr & (abi_pagesize - 1)));
-  if (aligned_off < unsigned_off)
-    aligned_off += abi_pagesize;
-  return aligned_off;
-}
-
-// Set the file offsets of all the segments, and all the sections they
-// contain.  They have all been created.  LOAD_SEG must be be laid out
-// first.  Return the offset of the data to follow.
-
-off_t
-Layout::set_segment_offsets(const Target* target, Output_segment* load_seg,
-			    unsigned int* pshndx)
-{
-  // Sort them into the final order.  We use a stable sort so that we
-  // don't randomize the order of indistinguishable segments created
-  // by linker scripts.
-  std::stable_sort(this->segment_list_.begin(), this->segment_list_.end(),
-		   Layout::Compare_segments(this));
-
-  // Find the PT_LOAD segments, and set their addresses and offsets
-  // and their section's addresses and offsets.
-  uint64_t start_addr;
-  if (parameters->options().user_set_Ttext())
-    start_addr = parameters->options().Ttext();
-  else if (parameters->options().output_is_position_independent())
-    start_addr = 0;
-  else
-    start_addr = target->default_text_segment_address();
-
-  uint64_t addr = start_addr;
-  off_t off = 0;
-
-  // If LOAD_SEG is NULL, then the file header and segment headers
-  // will not be loadable.  But they still need to be at offset 0 in
-  // the file.  Set their offsets now.
-  if (load_seg == NULL)
-    {
-      for (Data_list::iterator p = this->special_output_list_.begin();
-	   p != this->special_output_list_.end();
-	   ++p)
-	{
-	  off = align_address(off, (*p)->addralign());
-	  (*p)->set_address_and_file_offset(0, off);
-	  off += (*p)->data_size();
-	}
-    }
-
-  unsigned int increase_relro = this->increase_relro_;
-  if (this->script_options_->saw_sections_clause())
-    increase_relro = 0;
-
-  const bool check_sections = parameters->options().check_sections();
-  Output_segment* last_load_segment = NULL;
-
-  unsigned int shndx_begin = *pshndx;
-  unsigned int shndx_load_seg = *pshndx;
-
-  for (Segment_list::iterator p = this->segment_list_.begin();
-       p != this->segment_list_.end();
-       ++p)
-    {
-      if ((*p)->type() == elfcpp::PT_LOAD)
-	{
-	  if (target->isolate_execinstr())
-	    {
-	      // When we hit the segment that should contain the
-	      // file headers, reset the file offset so we place
-	      // it and subsequent segments appropriately.
-	      // We'll fix up the preceding segments below.
-	      if (load_seg == *p)
-		{
-		  if (off == 0)
-		    load_seg = NULL;
-		  else
-		    {
-		      off = 0;
-		      shndx_load_seg = *pshndx;
-		    }
-		}
-	    }
-	  else
-	    {
-	      // Verify that the file headers fall into the first segment.
-	      if (load_seg != NULL && load_seg != *p)
-		gold_unreachable();
-	      load_seg = NULL;
-	    }
-
-	  bool are_addresses_set = (*p)->are_addresses_set();
-	  if (are_addresses_set)
-	    {
-	      // When it comes to setting file offsets, we care about
-	      // the physical address.
-	      addr = (*p)->paddr();
-	    }
-	  else if (parameters->options().user_set_Ttext()
-		   && ((*p)->flags() & elfcpp::PF_W) == 0)
-	    {
-	      are_addresses_set = true;
-	    }
-	  else if (parameters->options().user_set_Tdata()
-		   && ((*p)->flags() & elfcpp::PF_W) != 0
-		   && (!parameters->options().user_set_Tbss()
-		       || (*p)->has_any_data_sections()))
-	    {
-	      addr = parameters->options().Tdata();
-	      are_addresses_set = true;
-	    }
-	  else if (parameters->options().user_set_Tbss()
-		   && ((*p)->flags() & elfcpp::PF_W) != 0
-		   && !(*p)->has_any_data_sections())
-	    {
-	      addr = parameters->options().Tbss();
-	      are_addresses_set = true;
-	    }
-
-	  uint64_t orig_addr = addr;
-	  uint64_t orig_off = off;
-
-	  uint64_t aligned_addr = 0;
-	  uint64_t abi_pagesize = target->abi_pagesize();
-	  uint64_t common_pagesize = target->common_pagesize();
-
-	  if (!parameters->options().nmagic()
-	      && !parameters->options().omagic())
-	    (*p)->set_minimum_p_align(common_pagesize);
-
-	  if (!are_addresses_set)
-	    {
-	      // Skip the address forward one page, maintaining the same
-	      // position within the page.  This lets us store both segments
-	      // overlapping on a single page in the file, but the loader will
-	      // put them on different pages in memory. We will revisit this
-	      // decision once we know the size of the segment.
-
-	      addr = align_address(addr, (*p)->maximum_alignment());
-	      aligned_addr = addr;
-
-	      if (load_seg == *p)
-		{
-		  // This is the segment that will contain the file
-		  // headers, so its offset will have to be exactly zero.
-		  gold_assert(orig_off == 0);
-
-		  // If the target wants a fixed minimum distance from the
-		  // text segment to the read-only segment, move up now.
-		  uint64_t min_addr = start_addr + target->rosegment_gap();
-		  if (addr < min_addr)
-		    addr = min_addr;
-
-		  // But this is not the first segment!  To make its
-		  // address congruent with its offset, that address better
-		  // be aligned to the ABI-mandated page size.
-		  addr = align_address(addr, abi_pagesize);
-		  aligned_addr = addr;
-		}
-	      else
-		{
-		  if ((addr & (abi_pagesize - 1)) != 0)
-		    addr = addr + abi_pagesize;
-
-		  off = orig_off + ((addr - orig_addr) & (abi_pagesize - 1));
-		}
-	    }
-
-	  if (!parameters->options().nmagic()
-	      && !parameters->options().omagic())
-	    {
-	      // Here we are also taking care of the case when
-	      // the maximum segment alignment is larger than the page size.
-	      off = align_file_offset(off, addr,
-				      std::max(abi_pagesize,
-					       (*p)->maximum_alignment()));
-	    }
-	  else
-	    {
-	      // This is -N or -n with a section script which prevents
-	      // us from using a load segment.  We need to ensure that
-	      // the file offset is aligned to the alignment of the
-	      // segment.  This is because the linker script
-	      // implicitly assumed a zero offset.  If we don't align
-	      // here, then the alignment of the sections in the
-	      // linker script may not match the alignment of the
-	      // sections in the set_section_addresses call below,
-	      // causing an error about dot moving backward.
-	      off = align_address(off, (*p)->maximum_alignment());
-	    }
-
-	  unsigned int shndx_hold = *pshndx;
-	  bool has_relro = false;
-	  uint64_t new_addr = (*p)->set_section_addresses(this, false, addr,
-							  &increase_relro,
-							  &has_relro,
-							  &off, pshndx);
-
-	  // Now that we know the size of this segment, we may be able
-	  // to save a page in memory, at the cost of wasting some
-	  // file space, by instead aligning to the start of a new
-	  // page.  Here we use the real machine page size rather than
-	  // the ABI mandated page size.  If the segment has been
-	  // aligned so that the relro data ends at a page boundary,
-	  // we do not try to realign it.
-
-	  if (!are_addresses_set
-	      && !has_relro
-	      && aligned_addr != addr
-	      && !parameters->incremental())
-	    {
-	      uint64_t first_off = (common_pagesize
-				    - (aligned_addr
-				       & (common_pagesize - 1)));
-	      uint64_t last_off = new_addr & (common_pagesize - 1);
-	      if (first_off > 0
-		  && last_off > 0
-		  && ((aligned_addr & ~ (common_pagesize - 1))
-		      != (new_addr & ~ (common_pagesize - 1)))
-		  && first_off + last_off <= common_pagesize)
-		{
-		  *pshndx = shndx_hold;
-		  addr = align_address(aligned_addr, common_pagesize);
-		  addr = align_address(addr, (*p)->maximum_alignment());
-		  off = orig_off + ((addr - orig_addr) & (abi_pagesize - 1));
-		  off = align_file_offset(off, addr, abi_pagesize);
-
-		  increase_relro = this->increase_relro_;
-		  if (this->script_options_->saw_sections_clause())
-		    increase_relro = 0;
-		  has_relro = false;
-
-		  new_addr = (*p)->set_section_addresses(this, true, addr,
-							 &increase_relro,
-							 &has_relro,
-							 &off, pshndx);
-		}
-	    }
-
-	  addr = new_addr;
-
-	  // Implement --check-sections.  We know that the segments
-	  // are sorted by LMA.
-	  if (check_sections && last_load_segment != NULL)
-	    {
-	      gold_assert(last_load_segment->paddr() <= (*p)->paddr());
-	      if (last_load_segment->paddr() + last_load_segment->memsz()
-		  > (*p)->paddr())
-		{
-		  unsigned long long lb1 = last_load_segment->paddr();
-		  unsigned long long le1 = lb1 + last_load_segment->memsz();
-		  unsigned long long lb2 = (*p)->paddr();
-		  unsigned long long le2 = lb2 + (*p)->memsz();
-		  gold_error(_("load segment overlap [0x%llx -> 0x%llx] and "
-			       "[0x%llx -> 0x%llx]"),
-			     lb1, le1, lb2, le2);
-		}
-	    }
-	  last_load_segment = *p;
-	}
-    }
-
-  if (load_seg != NULL && target->isolate_execinstr())
-    {
-      // Process the early segments again, setting their file offsets
-      // so they land after the segments starting at LOAD_SEG.
-      off = align_file_offset(off, 0, target->abi_pagesize());
-
-      for (Segment_list::iterator p = this->segment_list_.begin();
-	   *p != load_seg;
-	   ++p)
-	{
-	  if ((*p)->type() == elfcpp::PT_LOAD)
-	    {
-	      // We repeat the whole job of assigning addresses and
-	      // offsets, but we really only want to change the offsets and
-	      // must ensure that the addresses all come out the same as
-	      // they did the first time through.
-	      bool has_relro = false;
-	      const uint64_t old_addr = (*p)->vaddr();
-	      const uint64_t old_end = old_addr + (*p)->memsz();
-	      uint64_t new_addr = (*p)->set_section_addresses(this, true,
-							      old_addr,
-							      &increase_relro,
-							      &has_relro,
-							      &off,
-							      &shndx_begin);
-	      gold_assert(new_addr == old_end);
-	    }
-	}
-
-      gold_assert(shndx_begin == shndx_load_seg);
-    }
-
-  // Handle the non-PT_LOAD segments, setting their offsets from their
-  // section's offsets.
-  for (Segment_list::iterator p = this->segment_list_.begin();
-       p != this->segment_list_.end();
-       ++p)
-    {
-      if ((*p)->type() != elfcpp::PT_LOAD)
-	(*p)->set_offset((*p)->type() == elfcpp::PT_GNU_RELRO
-			 ? increase_relro
-			 : 0);
-    }
-
-  // Set the TLS offsets for each section in the PT_TLS segment.
-  if (this->tls_segment_ != NULL)
-    this->tls_segment_->set_tls_offsets();
-
-  return off;
-}
-
-// Set the offsets of all the allocated sections when doing a
-// relocatable link.  This does the same jobs as set_segment_offsets,
-// only for a relocatable link.
-
-off_t
-Layout::set_relocatable_section_offsets(Output_data* file_header,
-					unsigned int* pshndx)
-{
-  off_t off = 0;
-
-  file_header->set_address_and_file_offset(0, 0);
-  off += file_header->data_size();
-
-  for (Section_list::iterator p = this->section_list_.begin();
-       p != this->section_list_.end();
-       ++p)
-    {
-      // We skip unallocated sections here, except that group sections
-      // have to come first.
-      if (((*p)->flags() & elfcpp::SHF_ALLOC) == 0
-	  && (*p)->type() != elfcpp::SHT_GROUP)
-	continue;
-
-      off = align_address(off, (*p)->addralign());
-
-      // The linker script might have set the address.
-      if (!(*p)->is_address_valid())
-	(*p)->set_address(0);
-      (*p)->set_file_offset(off);
-      (*p)->finalize_data_size();
-      off += (*p)->data_size();
-
-      (*p)->set_out_shndx(*pshndx);
-      ++*pshndx;
-    }
-
-  return off;
-}
-
-// Set the file offset of all the sections not associated with a
-// segment.
-
-off_t
-Layout::set_section_offsets(off_t off, Layout::Section_offset_pass pass)
-{
-  off_t startoff = off;
-  off_t maxoff = off;
-
-  for (Section_list::iterator p = this->unattached_section_list_.begin();
-       p != this->unattached_section_list_.end();
-       ++p)
-    {
-      // The symtab section is handled in create_symtab_sections.
-      if (*p == this->symtab_section_)
-	continue;
-
-      // If we've already set the data size, don't set it again.
-      if ((*p)->is_offset_valid() && (*p)->is_data_size_valid())
-	continue;
-
-      if (pass == BEFORE_INPUT_SECTIONS_PASS
-	  && (*p)->requires_postprocessing())
-	{
-	  (*p)->create_postprocessing_buffer();
-	  this->any_postprocessing_sections_ = true;
-	}
-
-      if (pass == BEFORE_INPUT_SECTIONS_PASS
-	  && (*p)->after_input_sections())
-	continue;
-      else if (pass == POSTPROCESSING_SECTIONS_PASS
-	       && (!(*p)->after_input_sections()
-		   || (*p)->type() == elfcpp::SHT_STRTAB))
-	continue;
-      else if (pass == STRTAB_AFTER_POSTPROCESSING_SECTIONS_PASS
-	       && (!(*p)->after_input_sections()
-		   || (*p)->type() != elfcpp::SHT_STRTAB))
-	continue;
-
-      if (!parameters->incremental_update())
-	{
-	  off = align_address(off, (*p)->addralign());
-	  (*p)->set_file_offset(off);
-	  (*p)->finalize_data_size();
-	}
-      else
-	{
-	  // Incremental update: allocate file space from free list.
-	  (*p)->pre_finalize_data_size();
-	  off_t current_size = (*p)->current_data_size();
-	  off = this->allocate(current_size, (*p)->addralign(), startoff);
-	  if (off == -1)
-	    {
-	      if (is_debugging_enabled(DEBUG_INCREMENTAL))
-		this->free_list_.dump();
-	      gold_assert((*p)->output_section() != NULL);
-	      gold_fallback(_("out of patch space for section %s; "
-			      "relink with --incremental-full"),
-			    (*p)->output_section()->name());
-	    }
-	  (*p)->set_file_offset(off);
-	  (*p)->finalize_data_size();
-	  if ((*p)->data_size() > current_size)
-	    {
-	      gold_assert((*p)->output_section() != NULL);
-	      gold_fallback(_("%s: section changed size; "
-			      "relink with --incremental-full"),
-			    (*p)->output_section()->name());
-	    }
-	  gold_debug(DEBUG_INCREMENTAL,
-		     "set_section_offsets: %08lx %08lx %s",
-		     static_cast<long>(off),
-		     static_cast<long>((*p)->data_size()),
-		     ((*p)->output_section() != NULL
-		      ? (*p)->output_section()->name() : "(special)"));
-	}
-
-      off += (*p)->data_size();
-      if (off > maxoff)
-	maxoff = off;
-
-      // At this point the name must be set.
-      if (pass != STRTAB_AFTER_POSTPROCESSING_SECTIONS_PASS)
-	this->namepool_.add((*p)->name(), false, NULL);
-    }
-  return maxoff;
-}
-
-// Set the section indexes of all the sections not associated with a
-// segment.
-
-unsigned int
-Layout::set_section_indexes(unsigned int shndx)
-{
-  for (Section_list::iterator p = this->unattached_section_list_.begin();
-       p != this->unattached_section_list_.end();
-       ++p)
-    {
-      if (!(*p)->has_out_shndx())
-	{
-	  (*p)->set_out_shndx(shndx);
-	  ++shndx;
-	}
-    }
-  return shndx;
-}
-
-// Set the section addresses according to the linker script.  This is
-// only called when we see a SECTIONS clause.  This returns the
-// program segment which should hold the file header and segment
-// headers, if any.  It will return NULL if they should not be in a
-// segment.
-
-Output_segment*
-Layout::set_section_addresses_from_script(Symbol_table* symtab)
-{
-  Script_sections* ss = this->script_options_->script_sections();
-  gold_assert(ss->saw_sections_clause());
-  return this->script_options_->set_section_addresses(symtab, this);
-}
-
-// Place the orphan sections in the linker script.
-
-void
-Layout::place_orphan_sections_in_script()
-{
-  Script_sections* ss = this->script_options_->script_sections();
-  gold_assert(ss->saw_sections_clause());
-
-  // Place each orphaned output section in the script.
-  for (Section_list::iterator p = this->section_list_.begin();
-       p != this->section_list_.end();
-       ++p)
-    {
-      if (!(*p)->found_in_sections_clause())
-	ss->place_orphan(*p);
-    }
-}
-
-// Count the local symbols in the regular symbol table and the dynamic
-// symbol table, and build the respective string pools.
-
-void
-Layout::count_local_symbols(const Task* task,
-			    const Input_objects* input_objects)
-{
-  // First, figure out an upper bound on the number of symbols we'll
-  // be inserting into each pool.  This helps us create the pools with
-  // the right size, to avoid unnecessary hashtable resizing.
-  unsigned int symbol_count = 0;
-  for (Input_objects::Relobj_iterator p = input_objects->relobj_begin();
-       p != input_objects->relobj_end();
-       ++p)
-    symbol_count += (*p)->local_symbol_count();
-
-  // Go from "upper bound" to "estimate."  We overcount for two
-  // reasons: we double-count symbols that occur in more than one
-  // object file, and we count symbols that are dropped from the
-  // output.  Add it all together and assume we overcount by 100%.
-  symbol_count /= 2;
-
-  // We assume all symbols will go into both the sympool and dynpool.
-  this->sympool_.reserve(symbol_count);
-  this->dynpool_.reserve(symbol_count);
-
-  for (Input_objects::Relobj_iterator p = input_objects->relobj_begin();
-       p != input_objects->relobj_end();
-       ++p)
-    {
-      Task_lock_obj<Object> tlo(task, *p);
-      (*p)->count_local_symbols(&this->sympool_, &this->dynpool_);
-    }
-}
-
-// Create the symbol table sections.  Here we also set the final
-// values of the symbols.  At this point all the loadable sections are
-// fully laid out.  SHNUM is the number of sections so far.
-
-void
-Layout::create_symtab_sections(const Input_objects* input_objects,
-			       Symbol_table* symtab,
-			       unsigned int shnum,
-			       off_t* poff)
-{
-  int symsize;
-  unsigned int align;
-  if (parameters->target().get_size() == 32)
-    {
-      symsize = elfcpp::Elf_sizes<32>::sym_size;
-      align = 4;
-    }
-  else if (parameters->target().get_size() == 64)
-    {
-      symsize = elfcpp::Elf_sizes<64>::sym_size;
-      align = 8;
-    }
-  else
-    gold_unreachable();
-
-  // Compute file offsets relative to the start of the symtab section.
-  off_t off = 0;
-
-  // Save space for the dummy symbol at the start of the section.  We
-  // never bother to write this out--it will just be left as zero.
-  off += symsize;
-  unsigned int local_symbol_index = 1;
-
-  // Add STT_SECTION symbols for each Output section which needs one.
-  for (Section_list::iterator p = this->section_list_.begin();
-       p != this->section_list_.end();
-       ++p)
-    {
-      if (!(*p)->needs_symtab_index())
-	(*p)->set_symtab_index(-1U);
-      else
-	{
-	  (*p)->set_symtab_index(local_symbol_index);
-	  ++local_symbol_index;
-	  off += symsize;
-	}
-    }
-
-  for (Input_objects::Relobj_iterator p = input_objects->relobj_begin();
-       p != input_objects->relobj_end();
-       ++p)
-    {
-      unsigned int index = (*p)->finalize_local_symbols(local_symbol_index,
-							off, symtab);
-      off += (index - local_symbol_index) * symsize;
-      local_symbol_index = index;
-    }
-
-  unsigned int local_symcount = local_symbol_index;
-  gold_assert(static_cast<off_t>(local_symcount * symsize) == off);
-
-  off_t dynoff;
-  size_t dyn_global_index;
-  size_t dyncount;
-  if (this->dynsym_section_ == NULL)
-    {
-      dynoff = 0;
-      dyn_global_index = 0;
-      dyncount = 0;
-    }
-  else
-    {
-      dyn_global_index = this->dynsym_section_->info();
-      off_t locsize = dyn_global_index * this->dynsym_section_->entsize();
-      dynoff = this->dynsym_section_->offset() + locsize;
-      dyncount = (this->dynsym_section_->data_size() - locsize) / symsize;
-      gold_assert(static_cast<off_t>(dyncount * symsize)
-		  == this->dynsym_section_->data_size() - locsize);
-    }
-
-  off_t global_off = off;
-  off = symtab->finalize(off, dynoff, dyn_global_index, dyncount,
-			 &this->sympool_, &local_symcount);
-
-  if (!parameters->options().strip_all())
-    {
-      this->sympool_.set_string_offsets();
-
-      const char* symtab_name = this->namepool_.add(".symtab", false, NULL);
-      Output_section* osymtab = this->make_output_section(symtab_name,
-							  elfcpp::SHT_SYMTAB,
-							  0, ORDER_INVALID,
-							  false);
-      this->symtab_section_ = osymtab;
-
-      Output_section_data* pos = new Output_data_fixed_space(off, align,
-							     "** symtab");
-      osymtab->add_output_section_data(pos);
-
-      // We generate a .symtab_shndx section if we have more than
-      // SHN_LORESERVE sections.  Technically it is possible that we
-      // don't need one, because it is possible that there are no
-      // symbols in any of sections with indexes larger than
-      // SHN_LORESERVE.  That is probably unusual, though, and it is
-      // easier to always create one than to compute section indexes
-      // twice (once here, once when writing out the symbols).
-      if (shnum >= elfcpp::SHN_LORESERVE)
-	{
-	  const char* symtab_xindex_name = this->namepool_.add(".symtab_shndx",
-							       false, NULL);
-	  Output_section* osymtab_xindex =
-	    this->make_output_section(symtab_xindex_name,
-				      elfcpp::SHT_SYMTAB_SHNDX, 0,
-				      ORDER_INVALID, false);
-
-	  size_t symcount = off / symsize;
-	  this->symtab_xindex_ = new Output_symtab_xindex(symcount);
-
-	  osymtab_xindex->add_output_section_data(this->symtab_xindex_);
-
-	  osymtab_xindex->set_link_section(osymtab);
-	  osymtab_xindex->set_addralign(4);
-	  osymtab_xindex->set_entsize(4);
-
-	  osymtab_xindex->set_after_input_sections();
-
-	  // This tells the driver code to wait until the symbol table
-	  // has written out before writing out the postprocessing
-	  // sections, including the .symtab_shndx section.
-	  this->any_postprocessing_sections_ = true;
-	}
-
-      const char* strtab_name = this->namepool_.add(".strtab", false, NULL);
-      Output_section* ostrtab = this->make_output_section(strtab_name,
-							  elfcpp::SHT_STRTAB,
-							  0, ORDER_INVALID,
-							  false);
-
-      Output_section_data* pstr = new Output_data_strtab(&this->sympool_);
-      ostrtab->add_output_section_data(pstr);
-
-      off_t symtab_off;
-      if (!parameters->incremental_update())
-	symtab_off = align_address(*poff, align);
-      else
-	{
-	  symtab_off = this->allocate(off, align, *poff);
-	  if (off == -1)
-	    gold_fallback(_("out of patch space for symbol table; "
-			    "relink with --incremental-full"));
-	  gold_debug(DEBUG_INCREMENTAL,
-		     "create_symtab_sections: %08lx %08lx .symtab",
-		     static_cast<long>(symtab_off),
-		     static_cast<long>(off));
-	}
-
-      symtab->set_file_offset(symtab_off + global_off);
-      osymtab->set_file_offset(symtab_off);
-      osymtab->finalize_data_size();
-      osymtab->set_link_section(ostrtab);
-      osymtab->set_info(local_symcount);
-      osymtab->set_entsize(symsize);
-
-      if (symtab_off + off > *poff)
-	*poff = symtab_off + off;
-    }
-}
-
-// Create the .shstrtab section, which holds the names of the
-// sections.  At the time this is called, we have created all the
-// output sections except .shstrtab itself.
-
-Output_section*
-Layout::create_shstrtab()
-{
-  // FIXME: We don't need to create a .shstrtab section if we are
-  // stripping everything.
-
-  const char* name = this->namepool_.add(".shstrtab", false, NULL);
-
-  Output_section* os = this->make_output_section(name, elfcpp::SHT_STRTAB, 0,
-						 ORDER_INVALID, false);
-
-  if (strcmp(parameters->options().compress_debug_sections(), "none") != 0)
-    {
-      // We can't write out this section until we've set all the
-      // section names, and we don't set the names of compressed
-      // output sections until relocations are complete.  FIXME: With
-      // the current names we use, this is unnecessary.
-      os->set_after_input_sections();
-    }
-
-  Output_section_data* posd = new Output_data_strtab(&this->namepool_);
-  os->add_output_section_data(posd);
-
-  return os;
-}
-
-// Create the section headers.  SIZE is 32 or 64.  OFF is the file
-// offset.
-
-void
-Layout::create_shdrs(const Output_section* shstrtab_section, off_t* poff)
-{
-  Output_section_headers* oshdrs;
-  oshdrs = new Output_section_headers(this,
-				      &this->segment_list_,
-				      &this->section_list_,
-				      &this->unattached_section_list_,
-				      &this->namepool_,
-				      shstrtab_section);
-  off_t off;
-  if (!parameters->incremental_update())
-    off = align_address(*poff, oshdrs->addralign());
-  else
-    {
-      oshdrs->pre_finalize_data_size();
-      off = this->allocate(oshdrs->data_size(), oshdrs->addralign(), *poff);
-      if (off == -1)
-	  gold_fallback(_("out of patch space for section header table; "
-			  "relink with --incremental-full"));
-      gold_debug(DEBUG_INCREMENTAL,
-		 "create_shdrs: %08lx %08lx (section header table)",
-		 static_cast<long>(off),
-		 static_cast<long>(off + oshdrs->data_size()));
-    }
-  oshdrs->set_address_and_file_offset(0, off);
-  off += oshdrs->data_size();
-  if (off > *poff)
-    *poff = off;
-  this->section_headers_ = oshdrs;
-}
-
-// Count the allocated sections.
-
-size_t
-Layout::allocated_output_section_count() const
-{
-  size_t section_count = 0;
-  for (Segment_list::const_iterator p = this->segment_list_.begin();
-       p != this->segment_list_.end();
-       ++p)
-    section_count += (*p)->output_section_count();
-  return section_count;
-}
-
-// Create the dynamic symbol table.
-
-void
-Layout::create_dynamic_symtab(const Input_objects* input_objects,
-			      Symbol_table* symtab,
-			      Output_section** pdynstr,
-			      unsigned int* plocal_dynamic_count,
-			      std::vector<Symbol*>* pdynamic_symbols,
-			      Versions* pversions)
-{
-  // Count all the symbols in the dynamic symbol table, and set the
-  // dynamic symbol indexes.
-
-  // Skip symbol 0, which is always all zeroes.
-  unsigned int index = 1;
-
-  // Add STT_SECTION symbols for each Output section which needs one.
-  for (Section_list::iterator p = this->section_list_.begin();
-       p != this->section_list_.end();
-       ++p)
-    {
-      if (!(*p)->needs_dynsym_index())
-	(*p)->set_dynsym_index(-1U);
-      else
-	{
-	  (*p)->set_dynsym_index(index);
-	  ++index;
-	}
-    }
-
-  // Count the local symbols that need to go in the dynamic symbol table,
-  // and set the dynamic symbol indexes.
-  for (Input_objects::Relobj_iterator p = input_objects->relobj_begin();
-       p != input_objects->relobj_end();
-       ++p)
-    {
-      unsigned int new_index = (*p)->set_local_dynsym_indexes(index);
-      index = new_index;
-    }
-
-  unsigned int local_symcount = index;
-  *plocal_dynamic_count = local_symcount;
-
-  index = symtab->set_dynsym_indexes(index, pdynamic_symbols,
-				     &this->dynpool_, pversions);
-
-  int symsize;
-  unsigned int align;
-  const int size = parameters->target().get_size();
-  if (size == 32)
-    {
-      symsize = elfcpp::Elf_sizes<32>::sym_size;
-      align = 4;
-    }
-  else if (size == 64)
-    {
-      symsize = elfcpp::Elf_sizes<64>::sym_size;
-      align = 8;
-    }
-  else
-    gold_unreachable();
-
-  // Create the dynamic symbol table section.
-
-  Output_section* dynsym = this->choose_output_section(NULL, ".dynsym",
-						       elfcpp::SHT_DYNSYM,
-						       elfcpp::SHF_ALLOC,
-						       false,
-						       ORDER_DYNAMIC_LINKER,
-						       false);
-
-  // Check for NULL as a linker script may discard .dynsym.
-  if (dynsym != NULL)
-    {
-      Output_section_data* odata = new Output_data_fixed_space(index * symsize,
-							       align,
-							       "** dynsym");
-      dynsym->add_output_section_data(odata);
-
-      dynsym->set_info(local_symcount);
-      dynsym->set_entsize(symsize);
-      dynsym->set_addralign(align);
-
-      this->dynsym_section_ = dynsym;
-    }
-
-  Output_data_dynamic* const odyn = this->dynamic_data_;
-  if (odyn != NULL)
-    {
-      odyn->add_section_address(elfcpp::DT_SYMTAB, dynsym);
-      odyn->add_constant(elfcpp::DT_SYMENT, symsize);
-    }
-
-  // If there are more than SHN_LORESERVE allocated sections, we
-  // create a .dynsym_shndx section.  It is possible that we don't
-  // need one, because it is possible that there are no dynamic
-  // symbols in any of the sections with indexes larger than
-  // SHN_LORESERVE.  This is probably unusual, though, and at this
-  // time we don't know the actual section indexes so it is
-  // inconvenient to check.
-  if (this->allocated_output_section_count() >= elfcpp::SHN_LORESERVE)
-    {
-      Output_section* dynsym_xindex =
-	this->choose_output_section(NULL, ".dynsym_shndx",
-				    elfcpp::SHT_SYMTAB_SHNDX,
-				    elfcpp::SHF_ALLOC,
-				    false, ORDER_DYNAMIC_LINKER, false);
-
-      if (dynsym_xindex != NULL)
-	{
-	  this->dynsym_xindex_ = new Output_symtab_xindex(index);
-
-	  dynsym_xindex->add_output_section_data(this->dynsym_xindex_);
-
-	  dynsym_xindex->set_link_section(dynsym);
-	  dynsym_xindex->set_addralign(4);
-	  dynsym_xindex->set_entsize(4);
-
-	  dynsym_xindex->set_after_input_sections();
-
-	  // This tells the driver code to wait until the symbol table
-	  // has written out before writing out the postprocessing
-	  // sections, including the .dynsym_shndx section.
-	  this->any_postprocessing_sections_ = true;
-	}
-    }
-
-  // Create the dynamic string table section.
-
-  Output_section* dynstr = this->choose_output_section(NULL, ".dynstr",
-						       elfcpp::SHT_STRTAB,
-						       elfcpp::SHF_ALLOC,
-						       false,
-						       ORDER_DYNAMIC_LINKER,
-						       false);
-
-  if (dynstr != NULL)
-    {
-      Output_section_data* strdata = new Output_data_strtab(&this->dynpool_);
-      dynstr->add_output_section_data(strdata);
-
-      if (dynsym != NULL)
-	dynsym->set_link_section(dynstr);
-      if (this->dynamic_section_ != NULL)
-	this->dynamic_section_->set_link_section(dynstr);
-
-      if (odyn != NULL)
-	{
-	  odyn->add_section_address(elfcpp::DT_STRTAB, dynstr);
-	  odyn->add_section_size(elfcpp::DT_STRSZ, dynstr);
-	}
-
-      *pdynstr = dynstr;
-    }
-
-  // Create the hash tables.
-
-  if (strcmp(parameters->options().hash_style(), "sysv") == 0
-      || strcmp(parameters->options().hash_style(), "both") == 0)
-    {
-      unsigned char* phash;
-      unsigned int hashlen;
-      Dynobj::create_elf_hash_table(*pdynamic_symbols, local_symcount,
-				    &phash, &hashlen);
-
-      Output_section* hashsec =
-	this->choose_output_section(NULL, ".hash", elfcpp::SHT_HASH,
-				    elfcpp::SHF_ALLOC, false,
-				    ORDER_DYNAMIC_LINKER, false);
-
-      Output_section_data* hashdata = new Output_data_const_buffer(phash,
-								   hashlen,
-								   align,
-								   "** hash");
-      if (hashsec != NULL && hashdata != NULL)
-	hashsec->add_output_section_data(hashdata);
-
-      if (hashsec != NULL)
-	{
-	  if (dynsym != NULL)
-	    hashsec->set_link_section(dynsym);
-	  hashsec->set_entsize(4);
-	}
-
-      if (odyn != NULL)
-	odyn->add_section_address(elfcpp::DT_HASH, hashsec);
-    }
-
-  if (strcmp(parameters->options().hash_style(), "gnu") == 0
-      || strcmp(parameters->options().hash_style(), "both") == 0)
-    {
-      unsigned char* phash;
-      unsigned int hashlen;
-      Dynobj::create_gnu_hash_table(*pdynamic_symbols, local_symcount,
-				    &phash, &hashlen);
-
-      Output_section* hashsec =
-	this->choose_output_section(NULL, ".gnu.hash", elfcpp::SHT_GNU_HASH,
-				    elfcpp::SHF_ALLOC, false,
-				    ORDER_DYNAMIC_LINKER, false);
-
-      Output_section_data* hashdata = new Output_data_const_buffer(phash,
-								   hashlen,
-								   align,
-								   "** hash");
-      if (hashsec != NULL && hashdata != NULL)
-	hashsec->add_output_section_data(hashdata);
-
-      if (hashsec != NULL)
-	{
-	  if (dynsym != NULL)
-	    hashsec->set_link_section(dynsym);
-
-	  // For a 64-bit target, the entries in .gnu.hash do not have
-	  // a uniform size, so we only set the entry size for a
-	  // 32-bit target.
-	  if (parameters->target().get_size() == 32)
-	    hashsec->set_entsize(4);
-
-	  if (odyn != NULL)
-	    odyn->add_section_address(elfcpp::DT_GNU_HASH, hashsec);
-	}
-    }
-}
-
-// Assign offsets to each local portion of the dynamic symbol table.
-
-void
-Layout::assign_local_dynsym_offsets(const Input_objects* input_objects)
-{
-  Output_section* dynsym = this->dynsym_section_;
-  if (dynsym == NULL)
-    return;
-
-  off_t off = dynsym->offset();
-
-  // Skip the dummy symbol at the start of the section.
-  off += dynsym->entsize();
-
-  for (Input_objects::Relobj_iterator p = input_objects->relobj_begin();
-       p != input_objects->relobj_end();
-       ++p)
-    {
-      unsigned int count = (*p)->set_local_dynsym_offset(off);
-      off += count * dynsym->entsize();
-    }
-}
-
-// Create the version sections.
-
-void
-Layout::create_version_sections(const Versions* versions,
-				const Symbol_table* symtab,
-				unsigned int local_symcount,
-				const std::vector<Symbol*>& dynamic_symbols,
-				const Output_section* dynstr)
-{
-  if (!versions->any_defs() && !versions->any_needs())
-    return;
-
-  switch (parameters->size_and_endianness())
-    {
-#ifdef HAVE_TARGET_32_LITTLE
-    case Parameters::TARGET_32_LITTLE:
-      this->sized_create_version_sections<32, false>(versions, symtab,
-						     local_symcount,
-						     dynamic_symbols, dynstr);
-      break;
-#endif
-#ifdef HAVE_TARGET_32_BIG
-    case Parameters::TARGET_32_BIG:
-      this->sized_create_version_sections<32, true>(versions, symtab,
-						    local_symcount,
-						    dynamic_symbols, dynstr);
-      break;
-#endif
-#ifdef HAVE_TARGET_64_LITTLE
-    case Parameters::TARGET_64_LITTLE:
-      this->sized_create_version_sections<64, false>(versions, symtab,
-						     local_symcount,
-						     dynamic_symbols, dynstr);
-      break;
-#endif
-#ifdef HAVE_TARGET_64_BIG
-    case Parameters::TARGET_64_BIG:
-      this->sized_create_version_sections<64, true>(versions, symtab,
-						    local_symcount,
-						    dynamic_symbols, dynstr);
-      break;
-#endif
-    default:
-      gold_unreachable();
-    }
-}
-
-// Create the version sections, sized version.
-
-template<int size, bool big_endian>
-void
-Layout::sized_create_version_sections(
-    const Versions* versions,
-    const Symbol_table* symtab,
-    unsigned int local_symcount,
-    const std::vector<Symbol*>& dynamic_symbols,
-    const Output_section* dynstr)
-{
-  Output_section* vsec = this->choose_output_section(NULL, ".gnu.version",
-						     elfcpp::SHT_GNU_versym,
-						     elfcpp::SHF_ALLOC,
-						     false,
-						     ORDER_DYNAMIC_LINKER,
-						     false);
-
-  // Check for NULL since a linker script may discard this section.
-  if (vsec != NULL)
-    {
-      unsigned char* vbuf;
-      unsigned int vsize;
-      versions->symbol_section_contents<size, big_endian>(symtab,
-							  &this->dynpool_,
-							  local_symcount,
-							  dynamic_symbols,
-							  &vbuf, &vsize);
-
-      Output_section_data* vdata = new Output_data_const_buffer(vbuf, vsize, 2,
-								"** versions");
-
-      vsec->add_output_section_data(vdata);
-      vsec->set_entsize(2);
-      vsec->set_link_section(this->dynsym_section_);
-    }
-
-  Output_data_dynamic* const odyn = this->dynamic_data_;
-  if (odyn != NULL && vsec != NULL)
-    odyn->add_section_address(elfcpp::DT_VERSYM, vsec);
-
-  if (versions->any_defs())
-    {
-      Output_section* vdsec;
-      vdsec = this->choose_output_section(NULL, ".gnu.version_d",
-					  elfcpp::SHT_GNU_verdef,
-					  elfcpp::SHF_ALLOC,
-					  false, ORDER_DYNAMIC_LINKER, false);
-
-      if (vdsec != NULL)
-	{
-	  unsigned char* vdbuf;
-	  unsigned int vdsize;
-	  unsigned int vdentries;
-	  versions->def_section_contents<size, big_endian>(&this->dynpool_,
-							   &vdbuf, &vdsize,
-							   &vdentries);
-
-	  Output_section_data* vddata =
-	    new Output_data_const_buffer(vdbuf, vdsize, 4, "** version defs");
-
-	  vdsec->add_output_section_data(vddata);
-	  vdsec->set_link_section(dynstr);
-	  vdsec->set_info(vdentries);
-
-	  if (odyn != NULL)
-	    {
-	      odyn->add_section_address(elfcpp::DT_VERDEF, vdsec);
-	      odyn->add_constant(elfcpp::DT_VERDEFNUM, vdentries);
-	    }
-	}
-    }
-
-  if (versions->any_needs())
-    {
-      Output_section* vnsec;
-      vnsec = this->choose_output_section(NULL, ".gnu.version_r",
-					  elfcpp::SHT_GNU_verneed,
-					  elfcpp::SHF_ALLOC,
-					  false, ORDER_DYNAMIC_LINKER, false);
-
-      if (vnsec != NULL)
-	{
-	  unsigned char* vnbuf;
-	  unsigned int vnsize;
-	  unsigned int vnentries;
-	  versions->need_section_contents<size, big_endian>(&this->dynpool_,
-							    &vnbuf, &vnsize,
-							    &vnentries);
-
-	  Output_section_data* vndata =
-	    new Output_data_const_buffer(vnbuf, vnsize, 4, "** version refs");
-
-	  vnsec->add_output_section_data(vndata);
-	  vnsec->set_link_section(dynstr);
-	  vnsec->set_info(vnentries);
-
-	  if (odyn != NULL)
-	    {
-	      odyn->add_section_address(elfcpp::DT_VERNEED, vnsec);
-	      odyn->add_constant(elfcpp::DT_VERNEEDNUM, vnentries);
-	    }
-	}
-    }
-}
-
-// Create the .interp section and PT_INTERP segment.
-
-void
-Layout::create_interp(const Target* target)
-{
-  gold_assert(this->interp_segment_ == NULL);
-
-  const char* interp = parameters->options().dynamic_linker();
-  if (interp == NULL)
-    {
-      interp = target->dynamic_linker();
-      gold_assert(interp != NULL);
-    }
-
-  size_t len = strlen(interp) + 1;
-
-  Output_section_data* odata = new Output_data_const(interp, len, 1);
-
-  Output_section* osec = this->choose_output_section(NULL, ".interp",
-						     elfcpp::SHT_PROGBITS,
-						     elfcpp::SHF_ALLOC,
-						     false, ORDER_INTERP,
-						     false);
-  if (osec != NULL)
-    osec->add_output_section_data(odata);
-}
-
-// Add dynamic tags for the PLT and the dynamic relocs.  This is
-// called by the target-specific code.  This does nothing if not doing
-// a dynamic link.
-
-// USE_REL is true for REL relocs rather than RELA relocs.
-
-// If PLT_GOT is not NULL, then DT_PLTGOT points to it.
-
-// If PLT_REL is not NULL, it is used for DT_PLTRELSZ, and DT_JMPREL,
-// and we also set DT_PLTREL.  We use PLT_REL's output section, since
-// some targets have multiple reloc sections in PLT_REL.
-
-// If DYN_REL is not NULL, it is used for DT_REL/DT_RELA,
-// DT_RELSZ/DT_RELASZ, DT_RELENT/DT_RELAENT.  Again we use the output
-// section.
-
-// If ADD_DEBUG is true, we add a DT_DEBUG entry when generating an
-// executable.
-
-void
-Layout::add_target_dynamic_tags(bool use_rel, const Output_data* plt_got,
-				const Output_data* plt_rel,
-				const Output_data_reloc_generic* dyn_rel,
-				bool add_debug, bool dynrel_includes_plt)
-{
-  Output_data_dynamic* odyn = this->dynamic_data_;
-  if (odyn == NULL)
-    return;
-
-  if (plt_got != NULL && plt_got->output_section() != NULL)
-    odyn->add_section_address(elfcpp::DT_PLTGOT, plt_got);
-
-  if (plt_rel != NULL && plt_rel->output_section() != NULL)
-    {
-      odyn->add_section_size(elfcpp::DT_PLTRELSZ, plt_rel->output_section());
-      odyn->add_section_address(elfcpp::DT_JMPREL, plt_rel->output_section());
-      odyn->add_constant(elfcpp::DT_PLTREL,
-			 use_rel ? elfcpp::DT_REL : elfcpp::DT_RELA);
-    }
-
-  if (dyn_rel != NULL && dyn_rel->output_section() != NULL)
-    {
-      odyn->add_section_address(use_rel ? elfcpp::DT_REL : elfcpp::DT_RELA,
-				dyn_rel->output_section());
-      if (plt_rel != NULL
-	  && plt_rel->output_section() != NULL
-	  && dynrel_includes_plt)
-	odyn->add_section_size(use_rel ? elfcpp::DT_RELSZ : elfcpp::DT_RELASZ,
-			       dyn_rel->output_section(),
-			       plt_rel->output_section());
-      else
-	odyn->add_section_size(use_rel ? elfcpp::DT_RELSZ : elfcpp::DT_RELASZ,
-			       dyn_rel->output_section());
-      const int size = parameters->target().get_size();
-      elfcpp::DT rel_tag;
-      int rel_size;
-      if (use_rel)
-	{
-	  rel_tag = elfcpp::DT_RELENT;
-	  if (size == 32)
-	    rel_size = Reloc_types<elfcpp::SHT_REL, 32, false>::reloc_size;
-	  else if (size == 64)
-	    rel_size = Reloc_types<elfcpp::SHT_REL, 64, false>::reloc_size;
-	  else
-	    gold_unreachable();
-	}
-      else
-	{
-	  rel_tag = elfcpp::DT_RELAENT;
-	  if (size == 32)
-	    rel_size = Reloc_types<elfcpp::SHT_RELA, 32, false>::reloc_size;
-	  else if (size == 64)
-	    rel_size = Reloc_types<elfcpp::SHT_RELA, 64, false>::reloc_size;
-	  else
-	    gold_unreachable();
-	}
-      odyn->add_constant(rel_tag, rel_size);
-
-      if (parameters->options().combreloc())
-	{
-	  size_t c = dyn_rel->relative_reloc_count();
-	  if (c > 0)
-	    odyn->add_constant((use_rel
-				? elfcpp::DT_RELCOUNT
-				: elfcpp::DT_RELACOUNT),
-			       c);
-	}
-    }
-
-  if (add_debug && !parameters->options().shared())
-    {
-      // The value of the DT_DEBUG tag is filled in by the dynamic
-      // linker at run time, and used by the debugger.
-      odyn->add_constant(elfcpp::DT_DEBUG, 0);
-    }
-}
-
-// Finish the .dynamic section and PT_DYNAMIC segment.
-
-void
-Layout::finish_dynamic_section(const Input_objects* input_objects,
-			       const Symbol_table* symtab)
-{
-  if (!this->script_options_->saw_phdrs_clause()
-      && this->dynamic_section_ != NULL)
-    {
-      Output_segment* oseg = this->make_output_segment(elfcpp::PT_DYNAMIC,
-						       (elfcpp::PF_R
-							| elfcpp::PF_W));
-      oseg->add_output_section_to_nonload(this->dynamic_section_,
-					  elfcpp::PF_R | elfcpp::PF_W);
-    }
-
-  Output_data_dynamic* const odyn = this->dynamic_data_;
-  if (odyn == NULL)
-    return;
-
-  for (Input_objects::Dynobj_iterator p = input_objects->dynobj_begin();
-       p != input_objects->dynobj_end();
-       ++p)
-    {
-      if (!(*p)->is_needed() && (*p)->as_needed())
-	{
-	  // This dynamic object was linked with --as-needed, but it
-	  // is not needed.
-	  continue;
-	}
-
-      odyn->add_string(elfcpp::DT_NEEDED, (*p)->soname());
-    }
-
-  if (parameters->options().shared())
-    {
-      const char* soname = parameters->options().soname();
-      if (soname != NULL)
-	odyn->add_string(elfcpp::DT_SONAME, soname);
-    }
-
-  Symbol* sym = symtab->lookup(parameters->options().init());
-  if (sym != NULL && sym->is_defined() && !sym->is_from_dynobj())
-    odyn->add_symbol(elfcpp::DT_INIT, sym);
-
-  sym = symtab->lookup(parameters->options().fini());
-  if (sym != NULL && sym->is_defined() && !sym->is_from_dynobj())
-    odyn->add_symbol(elfcpp::DT_FINI, sym);
-
-  // Look for .init_array, .preinit_array and .fini_array by checking
-  // section types.
-  for(Layout::Section_list::const_iterator p = this->section_list_.begin();
-      p != this->section_list_.end();
-      ++p)
-    switch((*p)->type())
-      {
-      case elfcpp::SHT_FINI_ARRAY:
-	odyn->add_section_address(elfcpp::DT_FINI_ARRAY, *p);
-	odyn->add_section_size(elfcpp::DT_FINI_ARRAYSZ, *p);
-	break;
-      case elfcpp::SHT_INIT_ARRAY:
-	odyn->add_section_address(elfcpp::DT_INIT_ARRAY, *p);
-	odyn->add_section_size(elfcpp::DT_INIT_ARRAYSZ, *p);
-	break;
-      case elfcpp::SHT_PREINIT_ARRAY:
-	odyn->add_section_address(elfcpp::DT_PREINIT_ARRAY, *p);
-	odyn->add_section_size(elfcpp::DT_PREINIT_ARRAYSZ, *p);
-	break;
-      default:
-	break;
-      }
-
-  // Add a DT_RPATH entry if needed.
-  const General_options::Dir_list& rpath(parameters->options().rpath());
-  if (!rpath.empty())
-    {
-      std::string rpath_val;
-      for (General_options::Dir_list::const_iterator p = rpath.begin();
-	   p != rpath.end();
-	   ++p)
-	{
-	  if (rpath_val.empty())
-	    rpath_val = p->name();
-	  else
-	    {
-	      // Eliminate duplicates.
-	      General_options::Dir_list::const_iterator q;
-	      for (q = rpath.begin(); q != p; ++q)
-		if (q->name() == p->name())
-		  break;
-	      if (q == p)
-		{
-		  rpath_val += ':';
-		  rpath_val += p->name();
-		}
-	    }
-	}
-
-      odyn->add_string(elfcpp::DT_RPATH, rpath_val);
-      if (parameters->options().enable_new_dtags())
-	odyn->add_string(elfcpp::DT_RUNPATH, rpath_val);
-    }
-
-  // Look for text segments that have dynamic relocations.
-  bool have_textrel = false;
-  if (!this->script_options_->saw_sections_clause())
-    {
-      for (Segment_list::const_iterator p = this->segment_list_.begin();
-	   p != this->segment_list_.end();
-	   ++p)
-	{
-	  if ((*p)->type() == elfcpp::PT_LOAD
-	      && ((*p)->flags() & elfcpp::PF_W) == 0
-	      && (*p)->has_dynamic_reloc())
-	    {
-	      have_textrel = true;
-	      break;
-	    }
-	}
-    }
-  else
-    {
-      // We don't know the section -> segment mapping, so we are
-      // conservative and just look for readonly sections with
-      // relocations.  If those sections wind up in writable segments,
-      // then we have created an unnecessary DT_TEXTREL entry.
-      for (Section_list::const_iterator p = this->section_list_.begin();
-	   p != this->section_list_.end();
-	   ++p)
-	{
-	  if (((*p)->flags() & elfcpp::SHF_ALLOC) != 0
-	      && ((*p)->flags() & elfcpp::SHF_WRITE) == 0
-	      && (*p)->has_dynamic_reloc())
-	    {
-	      have_textrel = true;
-	      break;
-	    }
-	}
-    }
-
-  if (parameters->options().filter() != NULL)
-    odyn->add_string(elfcpp::DT_FILTER, parameters->options().filter());
-  if (parameters->options().any_auxiliary())
-    {
-      for (options::String_set::const_iterator p =
-	     parameters->options().auxiliary_begin();
-	   p != parameters->options().auxiliary_end();
-	   ++p)
-	odyn->add_string(elfcpp::DT_AUXILIARY, *p);
-    }
-
-  // Add a DT_FLAGS entry if necessary.
-  unsigned int flags = 0;
-  if (have_textrel)
-    {
-      // Add a DT_TEXTREL for compatibility with older loaders.
-      odyn->add_constant(elfcpp::DT_TEXTREL, 0);
-      flags |= elfcpp::DF_TEXTREL;
-
-      if (parameters->options().text())
-	gold_error(_("read-only segment has dynamic relocations"));
-      else if (parameters->options().warn_shared_textrel()
-	       && parameters->options().shared())
-	gold_warning(_("shared library text segment is not shareable"));
-    }
-  if (parameters->options().shared() && this->has_static_tls())
-    flags |= elfcpp::DF_STATIC_TLS;
-  if (parameters->options().origin())
-    flags |= elfcpp::DF_ORIGIN;
-  if (parameters->options().Bsymbolic())
-    {
-      flags |= elfcpp::DF_SYMBOLIC;
-      // Add DT_SYMBOLIC for compatibility with older loaders.
-      odyn->add_constant(elfcpp::DT_SYMBOLIC, 0);
-    }
-  if (parameters->options().now())
-    flags |= elfcpp::DF_BIND_NOW;
-  if (flags != 0)
-    odyn->add_constant(elfcpp::DT_FLAGS, flags);
-
-  flags = 0;
-  if (parameters->options().initfirst())
-    flags |= elfcpp::DF_1_INITFIRST;
-  if (parameters->options().interpose())
-    flags |= elfcpp::DF_1_INTERPOSE;
-  if (parameters->options().loadfltr())
-    flags |= elfcpp::DF_1_LOADFLTR;
-  if (parameters->options().nodefaultlib())
-    flags |= elfcpp::DF_1_NODEFLIB;
-  if (parameters->options().nodelete())
-    flags |= elfcpp::DF_1_NODELETE;
-  if (parameters->options().nodlopen())
-    flags |= elfcpp::DF_1_NOOPEN;
-  if (parameters->options().nodump())
-    flags |= elfcpp::DF_1_NODUMP;
-  if (!parameters->options().shared())
-    flags &= ~(elfcpp::DF_1_INITFIRST
-	       | elfcpp::DF_1_NODELETE
-	       | elfcpp::DF_1_NOOPEN);
-  if (parameters->options().origin())
-    flags |= elfcpp::DF_1_ORIGIN;
-  if (parameters->options().now())
-    flags |= elfcpp::DF_1_NOW;
-  if (parameters->options().Bgroup())
-    flags |= elfcpp::DF_1_GROUP;
-  if (flags != 0)
-    odyn->add_constant(elfcpp::DT_FLAGS_1, flags);
-}
-
-// Set the size of the _DYNAMIC symbol table to be the size of the
-// dynamic data.
-
-void
-Layout::set_dynamic_symbol_size(const Symbol_table* symtab)
-{
-  Output_data_dynamic* const odyn = this->dynamic_data_;
-  if (odyn == NULL)
-    return;
-  odyn->finalize_data_size();
-  if (this->dynamic_symbol_ == NULL)
-    return;
-  off_t data_size = odyn->data_size();
-  const int size = parameters->target().get_size();
-  if (size == 32)
-    symtab->get_sized_symbol<32>(this->dynamic_symbol_)->set_symsize(data_size);
-  else if (size == 64)
-    symtab->get_sized_symbol<64>(this->dynamic_symbol_)->set_symsize(data_size);
-  else
-    gold_unreachable();
-}
-
-// The mapping of input section name prefixes to output section names.
-// In some cases one prefix is itself a prefix of another prefix; in
-// such a case the longer prefix must come first.  These prefixes are
-// based on the GNU linker default ELF linker script.
-
-#define MAPPING_INIT(f, t) { f, sizeof(f) - 1, t, sizeof(t) - 1 }
-#define MAPPING_INIT_EXACT(f, t) { f, 0, t, sizeof(t) - 1 }
-const Layout::Section_name_mapping Layout::section_name_mapping[] =
-{
-  MAPPING_INIT(".text.", ".text"),
-  MAPPING_INIT(".rodata.", ".rodata"),
-  MAPPING_INIT(".data.rel.ro.local.", ".data.rel.ro.local"),
-  MAPPING_INIT_EXACT(".data.rel.ro.local", ".data.rel.ro.local"),
-  MAPPING_INIT(".data.rel.ro.", ".data.rel.ro"),
-  MAPPING_INIT_EXACT(".data.rel.ro", ".data.rel.ro"),
-  MAPPING_INIT(".data.", ".data"),
-  MAPPING_INIT(".bss.", ".bss"),
-  MAPPING_INIT(".tdata.", ".tdata"),
-  MAPPING_INIT(".tbss.", ".tbss"),
-  MAPPING_INIT(".init_array.", ".init_array"),
-  MAPPING_INIT(".fini_array.", ".fini_array"),
-  MAPPING_INIT(".sdata.", ".sdata"),
-  MAPPING_INIT(".sbss.", ".sbss"),
-  // FIXME: In the GNU linker, .sbss2 and .sdata2 are handled
-  // differently depending on whether it is creating a shared library.
-  MAPPING_INIT(".sdata2.", ".sdata"),
-  MAPPING_INIT(".sbss2.", ".sbss"),
-  MAPPING_INIT(".lrodata.", ".lrodata"),
-  MAPPING_INIT(".ldata.", ".ldata"),
-  MAPPING_INIT(".lbss.", ".lbss"),
-  MAPPING_INIT(".gcc_except_table.", ".gcc_except_table"),
-  MAPPING_INIT(".gnu.linkonce.d.rel.ro.local.", ".data.rel.ro.local"),
-  MAPPING_INIT(".gnu.linkonce.d.rel.ro.", ".data.rel.ro"),
-  MAPPING_INIT(".gnu.linkonce.t.", ".text"),
-  MAPPING_INIT(".gnu.linkonce.r.", ".rodata"),
-  MAPPING_INIT(".gnu.linkonce.d.", ".data"),
-  MAPPING_INIT(".gnu.linkonce.b.", ".bss"),
-  MAPPING_INIT(".gnu.linkonce.s.", ".sdata"),
-  MAPPING_INIT(".gnu.linkonce.sb.", ".sbss"),
-  MAPPING_INIT(".gnu.linkonce.s2.", ".sdata"),
-  MAPPING_INIT(".gnu.linkonce.sb2.", ".sbss"),
-  MAPPING_INIT(".gnu.linkonce.wi.", ".debug_info"),
-  MAPPING_INIT(".gnu.linkonce.td.", ".tdata"),
-  MAPPING_INIT(".gnu.linkonce.tb.", ".tbss"),
-  MAPPING_INIT(".gnu.linkonce.lr.", ".lrodata"),
-  MAPPING_INIT(".gnu.linkonce.l.", ".ldata"),
-  MAPPING_INIT(".gnu.linkonce.lb.", ".lbss"),
-  MAPPING_INIT(".ARM.extab", ".ARM.extab"),
-  MAPPING_INIT(".gnu.linkonce.armextab.", ".ARM.extab"),
-  MAPPING_INIT(".ARM.exidx", ".ARM.exidx"),
-  MAPPING_INIT(".gnu.linkonce.armexidx.", ".ARM.exidx"),
-};
-#undef MAPPING_INIT
-#undef MAPPING_INIT_EXACT
-
-const int Layout::section_name_mapping_count =
-  (sizeof(Layout::section_name_mapping)
-   / sizeof(Layout::section_name_mapping[0]));
-
-// Choose the output section name to use given an input section name.
-// Set *PLEN to the length of the name.  *PLEN is initialized to the
-// length of NAME.
-
-const char*
-Layout::output_section_name(const Relobj* relobj, const char* name,
-			    size_t* plen)
-{
-  // gcc 4.3 generates the following sorts of section names when it
-  // needs a section name specific to a function:
-  //   .text.FN
-  //   .rodata.FN
-  //   .sdata2.FN
-  //   .data.FN
-  //   .data.rel.FN
-  //   .data.rel.local.FN
-  //   .data.rel.ro.FN
-  //   .data.rel.ro.local.FN
-  //   .sdata.FN
-  //   .bss.FN
-  //   .sbss.FN
-  //   .tdata.FN
-  //   .tbss.FN
-
-  // The GNU linker maps all of those to the part before the .FN,
-  // except that .data.rel.local.FN is mapped to .data, and
-  // .data.rel.ro.local.FN is mapped to .data.rel.ro.  The sections
-  // beginning with .data.rel.ro.local are grouped together.
-
-  // For an anonymous namespace, the string FN can contain a '.'.
-
-  // Also of interest: .rodata.strN.N, .rodata.cstN, both of which the
-  // GNU linker maps to .rodata.
-
-  // The .data.rel.ro sections are used with -z relro.  The sections
-  // are recognized by name.  We use the same names that the GNU
-  // linker does for these sections.
-
-  // It is hard to handle this in a principled way, so we don't even
-  // try.  We use a table of mappings.  If the input section name is
-  // not found in the table, we simply use it as the output section
-  // name.
-
-  const Section_name_mapping* psnm = section_name_mapping;
-  for (int i = 0; i < section_name_mapping_count; ++i, ++psnm)
-    {
-      if (psnm->fromlen > 0)
-	{
-	  if (strncmp(name, psnm->from, psnm->fromlen) == 0)
-	    {
-	      *plen = psnm->tolen;
-	      return psnm->to;
-	    }
-	}
-      else
-	{
-	  if (strcmp(name, psnm->from) == 0)
-	    {
-	      *plen = psnm->tolen;
-	      return psnm->to;
-	    }
-	}
-    }
-
-  // As an additional complication, .ctors sections are output in
-  // either .ctors or .init_array sections, and .dtors sections are
-  // output in either .dtors or .fini_array sections.
-  if (is_prefix_of(".ctors.", name) || is_prefix_of(".dtors.", name))
-    {
-      if (parameters->options().ctors_in_init_array())
-	{
-	  *plen = 11;
-	  return name[1] == 'c' ? ".init_array" : ".fini_array";
-	}
-      else
-	{
-	  *plen = 6;
-	  return name[1] == 'c' ? ".ctors" : ".dtors";
-	}
-    }
-  if (parameters->options().ctors_in_init_array()
-      && (strcmp(name, ".ctors") == 0 || strcmp(name, ".dtors") == 0))
-    {
-      // To make .init_array/.fini_array work with gcc we must exclude
-      // .ctors and .dtors sections from the crtbegin and crtend
-      // files.
-      if (relobj == NULL
-	  || (!Layout::match_file_name(relobj, "crtbegin")
-	      && !Layout::match_file_name(relobj, "crtend")))
-	{
-	  *plen = 11;
-	  return name[1] == 'c' ? ".init_array" : ".fini_array";
-	}
-    }
-
-  return name;
-}
-
-// Return true if RELOBJ is an input file whose base name matches
-// FILE_NAME.  The base name must have an extension of ".o", and must
-// be exactly FILE_NAME.o or FILE_NAME, one character, ".o".  This is
-// to match crtbegin.o as well as crtbeginS.o without getting confused
-// by other possibilities.  Overall matching the file name this way is
-// a dreadful hack, but the GNU linker does it in order to better
-// support gcc, and we need to be compatible.
-
-bool
-Layout::match_file_name(const Relobj* relobj, const char* match)
-{
-  const std::string& file_name(relobj->name());
-  const char* base_name = lbasename(file_name.c_str());
-  size_t match_len = strlen(match);
-  if (strncmp(base_name, match, match_len) != 0)
-    return false;
-  size_t base_len = strlen(base_name);
-  if (base_len != match_len + 2 && base_len != match_len + 3)
-    return false;
-  return memcmp(base_name + base_len - 2, ".o", 2) == 0;
-}
-
-// Check if a comdat group or .gnu.linkonce section with the given
-// NAME is selected for the link.  If there is already a section,
-// *KEPT_SECTION is set to point to the existing section and the
-// function returns false.  Otherwise, OBJECT, SHNDX, IS_COMDAT, and
-// IS_GROUP_NAME are recorded for this NAME in the layout object,
-// *KEPT_SECTION is set to the internal copy and the function returns
-// true.
-
-bool
-Layout::find_or_add_kept_section(const std::string& name,
-				 Relobj* object,
-				 unsigned int shndx,
-				 bool is_comdat,
-				 bool is_group_name,
-				 Kept_section** kept_section)
-{
-  // It's normal to see a couple of entries here, for the x86 thunk
-  // sections.  If we see more than a few, we're linking a C++
-  // program, and we resize to get more space to minimize rehashing.
-  if (this->signatures_.size() > 4
-      && !this->resized_signatures_)
-    {
-      reserve_unordered_map(&this->signatures_,
-			    this->number_of_input_files_ * 64);
-      this->resized_signatures_ = true;
-    }
-
-  Kept_section candidate;
-  std::pair<Signatures::iterator, bool> ins =
-    this->signatures_.insert(std::make_pair(name, candidate));
-
-  if (kept_section != NULL)
-    *kept_section = &ins.first->second;
-  if (ins.second)
-    {
-      // This is the first time we've seen this signature.
-      ins.first->second.set_object(object);
-      ins.first->second.set_shndx(shndx);
-      if (is_comdat)
-	ins.first->second.set_is_comdat();
-      if (is_group_name)
-	ins.first->second.set_is_group_name();
-      return true;
-    }
-
-  // We have already seen this signature.
-
-  if (ins.first->second.is_group_name())
-    {
-      // We've already seen a real section group with this signature.
-      // If the kept group is from a plugin object, and we're in the
-      // replacement phase, accept the new one as a replacement.
-      if (ins.first->second.object() == NULL
-	  && parameters->options().plugins()->in_replacement_phase())
-	{
-	  ins.first->second.set_object(object);
-	  ins.first->second.set_shndx(shndx);
-	  return true;
-	}
-      return false;
-    }
-  else if (is_group_name)
-    {
-      // This is a real section group, and we've already seen a
-      // linkonce section with this signature.  Record that we've seen
-      // a section group, and don't include this section group.
-      ins.first->second.set_is_group_name();
-      return false;
-    }
-  else
-    {
-      // We've already seen a linkonce section and this is a linkonce
-      // section.  These don't block each other--this may be the same
-      // symbol name with different section types.
-      return true;
-    }
-}
-
-// Store the allocated sections into the section list.
-
-void
-Layout::get_allocated_sections(Section_list* section_list) const
-{
-  for (Section_list::const_iterator p = this->section_list_.begin();
-       p != this->section_list_.end();
-       ++p)
-    if (((*p)->flags() & elfcpp::SHF_ALLOC) != 0)
-      section_list->push_back(*p);
-}
-
-// Create an output segment.
-
-Output_segment*
-Layout::make_output_segment(elfcpp::Elf_Word type, elfcpp::Elf_Word flags)
-{
-  gold_assert(!parameters->options().relocatable());
-  Output_segment* oseg = new Output_segment(type, flags);
-  this->segment_list_.push_back(oseg);
-
-  if (type == elfcpp::PT_TLS)
-    this->tls_segment_ = oseg;
-  else if (type == elfcpp::PT_GNU_RELRO)
-    this->relro_segment_ = oseg;
-  else if (type == elfcpp::PT_INTERP)
-    this->interp_segment_ = oseg;
-
-  return oseg;
-}
-
-// Return the file offset of the normal symbol table.
-
-off_t
-Layout::symtab_section_offset() const
-{
-  if (this->symtab_section_ != NULL)
-    return this->symtab_section_->offset();
-  return 0;
-}
-
-// Return the section index of the normal symbol table.  It may have
-// been stripped by the -s/--strip-all option.
-
-unsigned int
-Layout::symtab_section_shndx() const
-{
-  if (this->symtab_section_ != NULL)
-    return this->symtab_section_->out_shndx();
-  return 0;
-}
-
-// Write out the Output_sections.  Most won't have anything to write,
-// since most of the data will come from input sections which are
-// handled elsewhere.  But some Output_sections do have Output_data.
-
-void
-Layout::write_output_sections(Output_file* of) const
-{
-  for (Section_list::const_iterator p = this->section_list_.begin();
-       p != this->section_list_.end();
-       ++p)
-    {
-      if (!(*p)->after_input_sections())
-	(*p)->write(of);
-    }
-}
-
-// Write out data not associated with a section or the symbol table.
-
-void
-Layout::write_data(const Symbol_table* symtab, Output_file* of) const
-{
-  if (!parameters->options().strip_all())
-    {
-      const Output_section* symtab_section = this->symtab_section_;
-      for (Section_list::const_iterator p = this->section_list_.begin();
-	   p != this->section_list_.end();
-	   ++p)
-	{
-	  if ((*p)->needs_symtab_index())
-	    {
-	      gold_assert(symtab_section != NULL);
-	      unsigned int index = (*p)->symtab_index();
-	      gold_assert(index > 0 && index != -1U);
-	      off_t off = (symtab_section->offset()
-			   + index * symtab_section->entsize());
-	      symtab->write_section_symbol(*p, this->symtab_xindex_, of, off);
-	    }
-	}
-    }
-
-  const Output_section* dynsym_section = this->dynsym_section_;
-  for (Section_list::const_iterator p = this->section_list_.begin();
-       p != this->section_list_.end();
-       ++p)
-    {
-      if ((*p)->needs_dynsym_index())
-	{
-	  gold_assert(dynsym_section != NULL);
-	  unsigned int index = (*p)->dynsym_index();
-	  gold_assert(index > 0 && index != -1U);
-	  off_t off = (dynsym_section->offset()
-		       + index * dynsym_section->entsize());
-	  symtab->write_section_symbol(*p, this->dynsym_xindex_, of, off);
-	}
-    }
-
-  // Write out the Output_data which are not in an Output_section.
-  for (Data_list::const_iterator p = this->special_output_list_.begin();
-       p != this->special_output_list_.end();
-       ++p)
-    (*p)->write(of);
-}
-
-// Write out the Output_sections which can only be written after the
-// input sections are complete.
-
-void
-Layout::write_sections_after_input_sections(Output_file* of)
-{
-  // Determine the final section offsets, and thus the final output
-  // file size.  Note we finalize the .shstrab last, to allow the
-  // after_input_section sections to modify their section-names before
-  // writing.
-  if (this->any_postprocessing_sections_)
-    {
-      off_t off = this->output_file_size_;
-      off = this->set_section_offsets(off, POSTPROCESSING_SECTIONS_PASS);
-
-      // Now that we've finalized the names, we can finalize the shstrab.
-      off =
-	this->set_section_offsets(off,
-				  STRTAB_AFTER_POSTPROCESSING_SECTIONS_PASS);
-
-      if (off > this->output_file_size_)
-	{
-	  of->resize(off);
-	  this->output_file_size_ = off;
-	}
-    }
-
-  for (Section_list::const_iterator p = this->section_list_.begin();
-       p != this->section_list_.end();
-       ++p)
-    {
-      if ((*p)->after_input_sections())
-	(*p)->write(of);
-    }
-
-  this->section_headers_->write(of);
-}
-
-// If the build ID requires computing a checksum, do so here, and
-// write it out.  We compute a checksum over the entire file because
-// that is simplest.
-
-void
-Layout::write_build_id(Output_file* of) const
-{
-  if (this->build_id_note_ == NULL)
-    return;
-
-  const unsigned char* iv = of->get_input_view(0, this->output_file_size_);
-
-  unsigned char* ov = of->get_output_view(this->build_id_note_->offset(),
-					  this->build_id_note_->data_size());
-
-  const char* style = parameters->options().build_id();
-  if (strcmp(style, "sha1") == 0)
-    {
-      sha1_ctx ctx;
-      sha1_init_ctx(&ctx);
-      sha1_process_bytes(iv, this->output_file_size_, &ctx);
-      sha1_finish_ctx(&ctx, ov);
-    }
-  else if (strcmp(style, "md5") == 0)
-    {
-      md5_ctx ctx;
-      md5_init_ctx(&ctx);
-      md5_process_bytes(iv, this->output_file_size_, &ctx);
-      md5_finish_ctx(&ctx, ov);
-    }
-  else
-    gold_unreachable();
-
-  of->write_output_view(this->build_id_note_->offset(),
-			this->build_id_note_->data_size(),
-			ov);
-
-  of->free_input_view(0, this->output_file_size_, iv);
-}
-
-// Write out a binary file.  This is called after the link is
-// complete.  IN is the temporary output file we used to generate the
-// ELF code.  We simply walk through the segments, read them from
-// their file offset in IN, and write them to their load address in
-// the output file.  FIXME: with a bit more work, we could support
-// S-records and/or Intel hex format here.
-
-void
-Layout::write_binary(Output_file* in) const
-{
-  gold_assert(parameters->options().oformat_enum()
-	      == General_options::OBJECT_FORMAT_BINARY);
-
-  // Get the size of the binary file.
-  uint64_t max_load_address = 0;
-  for (Segment_list::const_iterator p = this->segment_list_.begin();
-       p != this->segment_list_.end();
-       ++p)
-    {
-      if ((*p)->type() == elfcpp::PT_LOAD && (*p)->filesz() > 0)
-	{
-	  uint64_t max_paddr = (*p)->paddr() + (*p)->filesz();
-	  if (max_paddr > max_load_address)
-	    max_load_address = max_paddr;
-	}
-    }
-
-  Output_file out(parameters->options().output_file_name());
-  out.open(max_load_address);
-
-  for (Segment_list::const_iterator p = this->segment_list_.begin();
-       p != this->segment_list_.end();
-       ++p)
-    {
-      if ((*p)->type() == elfcpp::PT_LOAD && (*p)->filesz() > 0)
-	{
-	  const unsigned char* vin = in->get_input_view((*p)->offset(),
-							(*p)->filesz());
-	  unsigned char* vout = out.get_output_view((*p)->paddr(),
-						    (*p)->filesz());
-	  memcpy(vout, vin, (*p)->filesz());
-	  out.write_output_view((*p)->paddr(), (*p)->filesz(), vout);
-	  in->free_input_view((*p)->offset(), (*p)->filesz(), vin);
-	}
-    }
-
-  out.close();
-}
-
-// Print the output sections to the map file.
-
-void
-Layout::print_to_mapfile(Mapfile* mapfile) const
-{
-  for (Segment_list::const_iterator p = this->segment_list_.begin();
-       p != this->segment_list_.end();
-       ++p)
-    (*p)->print_sections_to_mapfile(mapfile);
-}
-
-// Print statistical information to stderr.  This is used for --stats.
-
-void
-Layout::print_stats() const
-{
-  this->namepool_.print_stats("section name pool");
-  this->sympool_.print_stats("output symbol name pool");
-  this->dynpool_.print_stats("dynamic name pool");
-
-  for (Section_list::const_iterator p = this->section_list_.begin();
-       p != this->section_list_.end();
-       ++p)
-    (*p)->print_merge_stats();
-}
-
-// Write_sections_task methods.
-
-// We can always run this task.
-
-Task_token*
-Write_sections_task::is_runnable()
-{
-  return NULL;
-}
-
-// We need to unlock both OUTPUT_SECTIONS_BLOCKER and FINAL_BLOCKER
-// when finished.
-
-void
-Write_sections_task::locks(Task_locker* tl)
-{
-  tl->add(this, this->output_sections_blocker_);
-  tl->add(this, this->final_blocker_);
-}
-
-// Run the task--write out the data.
-
-void
-Write_sections_task::run(Workqueue*)
-{
-  this->layout_->write_output_sections(this->of_);
-}
-
-// Write_data_task methods.
-
-// We can always run this task.
-
-Task_token*
-Write_data_task::is_runnable()
-{
-  return NULL;
-}
-
-// We need to unlock FINAL_BLOCKER when finished.
-
-void
-Write_data_task::locks(Task_locker* tl)
-{
-  tl->add(this, this->final_blocker_);
-}
-
-// Run the task--write out the data.
-
-void
-Write_data_task::run(Workqueue*)
-{
-  this->layout_->write_data(this->symtab_, this->of_);
-}
-
-// Write_symbols_task methods.
-
-// We can always run this task.
-
-Task_token*
-Write_symbols_task::is_runnable()
-{
-  return NULL;
-}
-
-// We need to unlock FINAL_BLOCKER when finished.
-
-void
-Write_symbols_task::locks(Task_locker* tl)
-{
-  tl->add(this, this->final_blocker_);
-}
-
-// Run the task--write out the symbols.
-
-void
-Write_symbols_task::run(Workqueue*)
-{
-  this->symtab_->write_globals(this->sympool_, this->dynpool_,
-			       this->layout_->symtab_xindex(),
-			       this->layout_->dynsym_xindex(), this->of_);
-}
-
-// Write_after_input_sections_task methods.
-
-// We can only run this task after the input sections have completed.
-
-Task_token*
-Write_after_input_sections_task::is_runnable()
-{
-  if (this->input_sections_blocker_->is_blocked())
-    return this->input_sections_blocker_;
-  return NULL;
-}
-
-// We need to unlock FINAL_BLOCKER when finished.
-
-void
-Write_after_input_sections_task::locks(Task_locker* tl)
-{
-  tl->add(this, this->final_blocker_);
-}
-
-// Run the task.
-
-void
-Write_after_input_sections_task::run(Workqueue*)
-{
-  this->layout_->write_sections_after_input_sections(this->of_);
-}
-
-// Close_task_runner methods.
-
-// Run the task--close the file.
-
-void
-Close_task_runner::run(Workqueue*, const Task*)
-{
-  // If we need to compute a checksum for the BUILD if, we do so here.
-  this->layout_->write_build_id(this->of_);
-
-  // If we've been asked to create a binary file, we do so here.
-  if (this->options_->oformat_enum() != General_options::OBJECT_FORMAT_ELF)
-    this->layout_->write_binary(this->of_);
-
-  this->of_->close();
-}
-
-// Instantiate the templates we need.  We could use the configure
-// script to restrict this to only the ones for implemented targets.
-
-#ifdef HAVE_TARGET_32_LITTLE
-template
-Output_section*
-Layout::init_fixed_output_section<32, false>(
-    const char* name,
-    elfcpp::Shdr<32, false>& shdr);
-#endif
-
-#ifdef HAVE_TARGET_32_BIG
-template
-Output_section*
-Layout::init_fixed_output_section<32, true>(
-    const char* name,
-    elfcpp::Shdr<32, true>& shdr);
-#endif
-
-#ifdef HAVE_TARGET_64_LITTLE
-template
-Output_section*
-Layout::init_fixed_output_section<64, false>(
-    const char* name,
-    elfcpp::Shdr<64, false>& shdr);
-#endif
-
-#ifdef HAVE_TARGET_64_BIG
-template
-Output_section*
-Layout::init_fixed_output_section<64, true>(
-    const char* name,
-    elfcpp::Shdr<64, true>& shdr);
-#endif
-
-#ifdef HAVE_TARGET_32_LITTLE
-template
-Output_section*
-Layout::layout<32, false>(Sized_relobj_file<32, false>* object,
-			  unsigned int shndx,
-			  const char* name,
-			  const elfcpp::Shdr<32, false>& shdr,
-			  unsigned int, unsigned int, off_t*);
-#endif
-
-#ifdef HAVE_TARGET_32_BIG
-template
-Output_section*
-Layout::layout<32, true>(Sized_relobj_file<32, true>* object,
-			 unsigned int shndx,
-			 const char* name,
-			 const elfcpp::Shdr<32, true>& shdr,
-			 unsigned int, unsigned int, off_t*);
-#endif
-
-#ifdef HAVE_TARGET_64_LITTLE
-template
-Output_section*
-Layout::layout<64, false>(Sized_relobj_file<64, false>* object,
-			  unsigned int shndx,
-			  const char* name,
-			  const elfcpp::Shdr<64, false>& shdr,
-			  unsigned int, unsigned int, off_t*);
-#endif
-
-#ifdef HAVE_TARGET_64_BIG
-template
-Output_section*
-Layout::layout<64, true>(Sized_relobj_file<64, true>* object,
-			 unsigned int shndx,
-			 const char* name,
-			 const elfcpp::Shdr<64, true>& shdr,
-			 unsigned int, unsigned int, off_t*);
-#endif
-
-#ifdef HAVE_TARGET_32_LITTLE
-template
-Output_section*
-Layout::layout_reloc<32, false>(Sized_relobj_file<32, false>* object,
-				unsigned int reloc_shndx,
-				const elfcpp::Shdr<32, false>& shdr,
-				Output_section* data_section,
-				Relocatable_relocs* rr);
-#endif
-
-#ifdef HAVE_TARGET_32_BIG
-template
-Output_section*
-Layout::layout_reloc<32, true>(Sized_relobj_file<32, true>* object,
-			       unsigned int reloc_shndx,
-			       const elfcpp::Shdr<32, true>& shdr,
-			       Output_section* data_section,
-			       Relocatable_relocs* rr);
-#endif
-
-#ifdef HAVE_TARGET_64_LITTLE
-template
-Output_section*
-Layout::layout_reloc<64, false>(Sized_relobj_file<64, false>* object,
-				unsigned int reloc_shndx,
-				const elfcpp::Shdr<64, false>& shdr,
-				Output_section* data_section,
-				Relocatable_relocs* rr);
-#endif
-
-#ifdef HAVE_TARGET_64_BIG
-template
-Output_section*
-Layout::layout_reloc<64, true>(Sized_relobj_file<64, true>* object,
-			       unsigned int reloc_shndx,
-			       const elfcpp::Shdr<64, true>& shdr,
-			       Output_section* data_section,
-			       Relocatable_relocs* rr);
-#endif
-
-#ifdef HAVE_TARGET_32_LITTLE
-template
-void
-Layout::layout_group<32, false>(Symbol_table* symtab,
-				Sized_relobj_file<32, false>* object,
-				unsigned int,
-				const char* group_section_name,
-				const char* signature,
-				const elfcpp::Shdr<32, false>& shdr,
-				elfcpp::Elf_Word flags,
-				std::vector<unsigned int>* shndxes);
-#endif
-
-#ifdef HAVE_TARGET_32_BIG
-template
-void
-Layout::layout_group<32, true>(Symbol_table* symtab,
-			       Sized_relobj_file<32, true>* object,
-			       unsigned int,
-			       const char* group_section_name,
-			       const char* signature,
-			       const elfcpp::Shdr<32, true>& shdr,
-			       elfcpp::Elf_Word flags,
-			       std::vector<unsigned int>* shndxes);
-#endif
-
-#ifdef HAVE_TARGET_64_LITTLE
-template
-void
-Layout::layout_group<64, false>(Symbol_table* symtab,
-				Sized_relobj_file<64, false>* object,
-				unsigned int,
-				const char* group_section_name,
-				const char* signature,
-				const elfcpp::Shdr<64, false>& shdr,
-				elfcpp::Elf_Word flags,
-				std::vector<unsigned int>* shndxes);
-#endif
-
-#ifdef HAVE_TARGET_64_BIG
-template
-void
-Layout::layout_group<64, true>(Symbol_table* symtab,
-			       Sized_relobj_file<64, true>* object,
-			       unsigned int,
-			       const char* group_section_name,
-			       const char* signature,
-			       const elfcpp::Shdr<64, true>& shdr,
-			       elfcpp::Elf_Word flags,
-			       std::vector<unsigned int>* shndxes);
-#endif
-
-#ifdef HAVE_TARGET_32_LITTLE
-template
-Output_section*
-Layout::layout_eh_frame<32, false>(Sized_relobj_file<32, false>* object,
-				   const unsigned char* symbols,
-				   off_t symbols_size,
-				   const unsigned char* symbol_names,
-				   off_t symbol_names_size,
-				   unsigned int shndx,
-				   const elfcpp::Shdr<32, false>& shdr,
-				   unsigned int reloc_shndx,
-				   unsigned int reloc_type,
-				   off_t* off);
-#endif
-
-#ifdef HAVE_TARGET_32_BIG
-template
-Output_section*
-Layout::layout_eh_frame<32, true>(Sized_relobj_file<32, true>* object,
-				  const unsigned char* symbols,
-				  off_t symbols_size,
-				  const unsigned char* symbol_names,
-				  off_t symbol_names_size,
-				  unsigned int shndx,
-				  const elfcpp::Shdr<32, true>& shdr,
-				  unsigned int reloc_shndx,
-				  unsigned int reloc_type,
-				  off_t* off);
-#endif
-
-#ifdef HAVE_TARGET_64_LITTLE
-template
-Output_section*
-Layout::layout_eh_frame<64, false>(Sized_relobj_file<64, false>* object,
-				   const unsigned char* symbols,
-				   off_t symbols_size,
-				   const unsigned char* symbol_names,
-				   off_t symbol_names_size,
-				   unsigned int shndx,
-				   const elfcpp::Shdr<64, false>& shdr,
-				   unsigned int reloc_shndx,
-				   unsigned int reloc_type,
-				   off_t* off);
-#endif
-
-#ifdef HAVE_TARGET_64_BIG
-template
-Output_section*
-Layout::layout_eh_frame<64, true>(Sized_relobj_file<64, true>* object,
-				  const unsigned char* symbols,
-				  off_t symbols_size,
-				  const unsigned char* symbol_names,
-				  off_t symbol_names_size,
-				  unsigned int shndx,
-				  const elfcpp::Shdr<64, true>& shdr,
-				  unsigned int reloc_shndx,
-				  unsigned int reloc_type,
-				  off_t* off);
-#endif
-
-#ifdef HAVE_TARGET_32_LITTLE
-template
-void
-Layout::add_to_gdb_index(bool is_type_unit,
-			 Sized_relobj<32, false>* object,
-			 const unsigned char* symbols,
-			 off_t symbols_size,
-			 unsigned int shndx,
-			 unsigned int reloc_shndx,
-			 unsigned int reloc_type);
-#endif
-
-#ifdef HAVE_TARGET_32_BIG
-template
-void
-Layout::add_to_gdb_index(bool is_type_unit,
-			 Sized_relobj<32, true>* object,
-			 const unsigned char* symbols,
-			 off_t symbols_size,
-			 unsigned int shndx,
-			 unsigned int reloc_shndx,
-			 unsigned int reloc_type);
-#endif
-
-#ifdef HAVE_TARGET_64_LITTLE
-template
-void
-Layout::add_to_gdb_index(bool is_type_unit,
-			 Sized_relobj<64, false>* object,
-			 const unsigned char* symbols,
-			 off_t symbols_size,
-			 unsigned int shndx,
-			 unsigned int reloc_shndx,
-			 unsigned int reloc_type);
-#endif
-
-#ifdef HAVE_TARGET_64_BIG
-template
-void
-Layout::add_to_gdb_index(bool is_type_unit,
-			 Sized_relobj<64, true>* object,
-			 const unsigned char* symbols,
-			 off_t symbols_size,
-			 unsigned int shndx,
-			 unsigned int reloc_shndx,
-			 unsigned int reloc_type);
-#endif
-
-} // End namespace gold.