// parameters.cc -- general parameters for a link using gold
-// Copyright 2006, 2007 Free Software Foundation, Inc.
+// Copyright 2006, 2007, 2008 Free Software Foundation, Inc.
// Written by Ian Lance Taylor <iant@google.com>.
// This file is part of gold.
#include "gold.h"
+#include "debug.h"
#include "options.h"
-#include "parameters.h"
+#include "target.h"
+#include "target-select.h"
namespace gold
{
-// Initialize the parameters from the options.
-
-Parameters::Parameters(Errors* errors)
- : errors_(errors), output_file_name_(NULL),
- output_file_type_(OUTPUT_INVALID), sysroot_(),
- strip_(STRIP_INVALID), symbolic_(false),
- optimization_level_(0), export_dynamic_(false),
- is_doing_static_link_valid_(false), doing_static_link_(false),
- is_size_and_endian_valid_(false), size_(0), is_big_endian_(false)
+void
+Parameters::set_errors(Errors* errors)
{
+ gold_assert(this->errors_ == NULL);
+ this->errors_ = errors;
}
-// Set fields from the command line options.
-
void
-Parameters::set_from_options(const General_options* options)
+Parameters::set_options(const General_options* options)
{
- this->output_file_name_ = options->output_file_name();
- this->sysroot_ = options->sysroot();
- this->symbolic_ = options->symbolic();
- this->optimization_level_ = options->optimization_level();
- this->export_dynamic_ = options->export_dynamic();
-
- if (options->is_shared())
- this->output_file_type_ = OUTPUT_SHARED;
- else if (options->is_relocatable())
- this->output_file_type_ = OUTPUT_OBJECT;
- else
- this->output_file_type_ = OUTPUT_EXECUTABLE;
-
- if (options->strip_all())
- this->strip_ = STRIP_ALL;
- else if (options->strip_debug())
- this->strip_ = STRIP_DEBUG;
- else
- this->strip_ = STRIP_NONE;
-
- this->options_valid_ = true;
+ gold_assert(!this->options_valid());
+ this->options_ = options;
+ // For speed, we convert the options() debug var from a string to an
+ // enum (from debug.h).
+ this->debug_ = debug_string_to_enum(this->options().debug());
+ // If --verbose is set, it acts as "--debug=files".
+ if (options->verbose())
+ this->debug_ |= DEBUG_FILES;
}
-// Set whether we are doing a static link.
-
void
Parameters::set_doing_static_link(bool doing_static_link)
{
+ gold_assert(!this->doing_static_link_valid_);
this->doing_static_link_ = doing_static_link;
- this->is_doing_static_link_valid_ = true;
+ this->doing_static_link_valid_ = true;
}
-// Set the size and endianness.
-
void
-Parameters::set_size_and_endianness(int size, bool is_big_endian)
+Parameters::set_target(const Target* target)
{
- if (!this->is_size_and_endian_valid_)
+ if (!this->target_valid())
+ this->target_ = target;
+ else
+ gold_assert(target == this->target_);
+}
+
+// The x86_64 kernel build converts a binary file to an object file
+// using -r --format binary --oformat elf32-i386 foo.o. In order to
+// support that for gold we support determining the default target
+// choice from the output format. We recognize names that the GNU
+// linker uses.
+
+const Target&
+Parameters::default_target() const
+{
+ gold_assert(this->options_valid());
+ if (this->options().user_set_oformat())
{
- this->size_ = size;
- this->is_big_endian_ = is_big_endian;
- this->is_size_and_endian_valid_ = true;
+ const Target* target
+ = select_target_by_name(this->options().oformat());
+ if (target != NULL)
+ return *target;
+
+ gold_error(_("unrecognized output format %s"),
+ this->options().oformat());
}
- else
+
+ // The GOLD_DEFAULT_xx macros are defined by the configure script.
+ const Target* target = select_target(elfcpp::GOLD_DEFAULT_MACHINE,
+ GOLD_DEFAULT_SIZE,
+ GOLD_DEFAULT_BIG_ENDIAN,
+ 0, 0);
+ gold_assert(target != NULL);
+ return *target;
+}
+
+Parameters::Target_size_endianness
+Parameters::size_and_endianness() const
+{
+ if (this->target().get_size() == 32)
+ {
+ if (!this->target().is_big_endian())
+ {
+#ifdef HAVE_TARGET_32_LITTLE
+ return TARGET_32_LITTLE;
+#else
+ gold_unreachable();
+#endif
+ }
+ else
+ {
+#ifdef HAVE_TARGET_32_BIG
+ return TARGET_32_BIG;
+#else
+ gold_unreachable();
+#endif
+ }
+ }
+ else if (parameters->target().get_size() == 64)
{
- gold_assert(size == this->size_);
- gold_assert(is_big_endian == this->is_big_endian_);
+ if (!parameters->target().is_big_endian())
+ {
+#ifdef HAVE_TARGET_64_LITTLE
+ return TARGET_64_LITTLE;
+#else
+ gold_unreachable();
+#endif
+ }
+ else
+ {
+#ifdef HAVE_TARGET_64_BIG
+ return TARGET_64_BIG;
+#else
+ gold_unreachable();
+#endif
+ }
}
+ else
+ gold_unreachable();
}
+
// Our local version of the variable, which is not const.
-static Parameters* static_parameters;
+static Parameters static_parameters;
// The global variable.
-const Parameters* parameters;
-
-// Initialize the global variable.
+const Parameters* parameters = &static_parameters;
void
-initialize_parameters(Errors* errors)
-{
- parameters = static_parameters = new Parameters(errors);
-}
-
-// Set values from the options.
+set_parameters_errors(Errors* errors)
+{ static_parameters.set_errors(errors); }
void
-set_parameters_from_options(const General_options* options)
-{
- static_parameters->set_from_options(options);
-}
-
-// Set whether we are doing a static link.
+set_parameters_options(const General_options* options)
+{ static_parameters.set_options(options); }
void
-set_parameters_doing_static_link(bool doing_static_link)
-{
- static_parameters->set_doing_static_link(doing_static_link);
-}
-
-// Set the size and endianness.
+set_parameters_target(const Target* target)
+{ static_parameters.set_target(target); }
void
-set_parameters_size_and_endianness(int size, bool is_big_endian)
-{
- static_parameters->set_size_and_endianness(size, is_big_endian);
-}
+set_parameters_doing_static_link(bool doing_static_link)
+{ static_parameters.set_doing_static_link(doing_static_link); }
} // End namespace gold.
projects / deliverable / binutils-gdb.git / blobdiff