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* gold-threads.h (class Once): Define.

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(class Initialize_lock): Rewrite as child of Once.
	* gold-threads.cc (class Once_initialize): Define.
	(once_pointer_control): New static variable.
	(once_pointer, once_arg): New static variables.
	(c_run_once): New static function.
	(Once::Once, Once::run_once, Once::internal_run): New functions.
	(class Initialize_lock_once): Remove.
	(initialize_lock_control): Remove.
	(initialize_lock_pointer): Remove.
	(initialize_lock_once): Remove.
	(Initialize_lock::Initialize_lock): Move to gold-threads.h.
	(Initialize_lock::initialize): Rewrite.
	(Initialize_lock::do_run_once): New function.
	* archive.cc (Archive::interpret_header): Only clear name if it is
	not already empty.
	* fileread.cc: Include "gold-threads.h"
	(file_counts_lock): New static variable.
	(file_counts_initialize_lock): Likewise.
	(File_read::release): Only increment counts when using --stats.
	Use a lock around the increment.
	* parameters.cc (class Set_parameters_target_once): Define.
	(set_parameters_target_once): New static variable.
	(Parameters::Parameters): Move here from parameters.h.
	(Parameters::set_target): Rewrite.
	(Parameters::set_target_once): New function.
	(Parameters::clear_target): Move here and rewrite.
	* parameters.h (class Parameters): Update declarations.  Add
	set_parameters_target_once_ field.
	(Parameters::Parameters): Move to parameters.cc.
	(Parameters::clear_target): Likewise.
	* readsyms.cc (Read_symbols::do_group): Create a Start_group
	task.
	(Start_group::~Start_group): New function.
	(Start_group::is_runnable): New function.
	(Start_group::locks, Start_group::run): New functions.
	(Finish_group::run): Change saw_undefined to size_t.
	* readsyms.h (class Start_group): Define.
	(class Finish_group): Change saw_undefined_ field to size_t.
	(Finish_group::Finish_group): Remove saw_undefined and
	this_blocker parameters.  Change all callers.
	(Finish_group::set_saw_undefined): New function.
	(Finish_group::set_blocker): New function.
	* symtab.h (class Symbol_table): Change saw_undefined to return
	size_t.  Change saw_undefined_ field to size_t.
	* target-select.cc (Set_target_once::do_run_once): New function.
	(Target_selector::Target_selector): Initialize set_target_once_
	field.  Don't initialize lock_ and initialize_lock_ fields.
	(Target_selector::instantiate_target): Rewrite.
	(Target_selector::set_target): New function.
	* target-select.h (class Set_target_once): Define.
	(class Target_selector): Update declarations.  Make
	Set_target_once a friend.  Remove lock_ and initialize_lock_
	fields.  Add set_target_once_ field.
This commit is contained in:
Ian Lance Taylor
2010-02-12 03:23:26 +00:00
parent 2310652a4f
commit 114dfbe13e
13 changed files with 468 additions and 147 deletions
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18
gold/parameters.h
View File

@ -1,6 +1,6 @@
// parameters.h -- general parameters for a link using gold -*- C++ -*-
// Copyright 2006, 2007, 2008 Free Software Foundation, Inc.
// Copyright 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
// Written by Ian Lance Taylor <iant@google.com>.
// This file is part of gold.
@ -31,6 +31,7 @@ class Errors;
class Target;
template<int size, bool big_endian>
class Sized_target;
class Set_parameters_target_once;
// Here we define the Parameters class which simply holds simple
// general parameters which apply to the entire link. We use a global
@ -49,11 +50,7 @@ class Sized_target;
class Parameters
{
public:
Parameters()
: errors_(NULL), options_(NULL), target_(NULL),
doing_static_link_valid_(false), doing_static_link_(false),
debug_(0)
{ }
Parameters();
// These should be called as soon as they are known.
void
@ -112,8 +109,7 @@ class Parameters
// Clear the target, for testing.
void
clear_target()
{ this->target_ = NULL; }
clear_target();
// Return true if TARGET is compatible with the current target.
bool
@ -150,12 +146,18 @@ class Parameters
private:
void
set_target_once(Target*);
friend class Set_parameters_target_once;
Errors* errors_;
const General_options* options_;
Target* target_;
bool doing_static_link_valid_;
bool doing_static_link_;
int debug_;
Set_parameters_target_once* set_parameters_target_once_;
};
// This is a global variable.