// 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.
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
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
// Clear the target, for testing.
void
- clear_target()
- { this->target_ = NULL; }
+ clear_target();
// Return true if TARGET is compatible with the current target.
bool
Target_size_endianness
size_and_endianness() const;
+ // Set the incremental linking mode to INCREMENTAL_FULL. Used when
+ // the linker determines that an incremental update is not possible.
+ // Returns false if the incremental mode was INCREMENTAL_UPDATE,
+ // indicating that the linker should exit if an update is not possible.
+ bool
+ set_incremental_full();
+
+ // Return true if we need to prepare incremental linking information.
+ bool
+ incremental() const;
+
+ // Return true if we are doing an incremental update.
+ bool
+ incremental_update() const;
private:
+ void
+ set_target_once(Target*);
+
+ void
+ check_target_endianness();
+
+ 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_;
+ int incremental_mode_;
+ Set_parameters_target_once* set_parameters_target_once_;
};
// This is a global variable.
extern void
set_parameters_doing_static_link(bool doing_static_link);
+extern bool
+set_parameters_incremental_full();
+
// Ensure that the target to be valid by using the default target if
// necessary.