#define GOLD_OPTIONS_H
#include <list>
+#include <string>
+#include <vector>
namespace gold
{
class Command_line;
+class Input_file_group;
namespace options {
public:
General_options();
+ // -I: dynamic linker name.
+ const char*
+ dynamic_linker() const
+ { return this->dynamic_linker_; }
+
// -L: Library search path.
typedef std::list<const char*> Dir_list;
search_path() const
{ return this->search_path_; }
+ // -o: Output file name.
+ const char*
+ output_file_name() const
+ { return this->output_file_name_; }
+
// -r: Whether we are doing a relocatable link.
bool
is_relocatable() const
{ return this->is_relocatable_; }
+ // --shared: Whether generating a shared object.
+ bool
+ is_shared() const
+ { return this->is_shared_; }
+
// --static: Whether doing a static link.
bool
is_static() const
{ return this->is_static_; }
private:
+ // Don't copy this structure.
+ General_options(const General_options&);
+ General_options& operator=(const General_options&);
+
friend class Command_line;
friend class options::Command_line_options;
+ void
+ set_dynamic_linker(const char* arg)
+ { this->dynamic_linker_ = arg; }
+
void
add_to_search_path(const char* arg)
{ this->search_path_.push_back(arg); }
+ void
+ set_output_file_name(const char* arg)
+ { this->output_file_name_ = arg; }
+
void
set_relocatable()
{ this->is_relocatable_ = true; }
+ void
+ set_shared()
+ { this->is_shared_ = true; }
+
void
set_static()
{ this->is_static_ = true; }
+ void
+ ignore(const char*)
+ { }
+
+ const char* dynamic_linker_;
Dir_list search_path_;
+ const char* output_file_name_;
bool is_relocatable_;
+ bool is_shared_;
bool is_static_;
-
- // Don't copy this structure.
- General_options(const General_options&);
- General_options& operator=(const General_options&);
};
// The current state of the position dependent options.
Position_dependent_options();
// -Bstatic: Whether we are searching for a static archive rather
- // -than a shared object.
+ // than a shared object.
bool
- do_static_search()
+ do_static_search() const
{ return this->do_static_search_; }
- private:
- friend class Command_line;
- friend class options::Command_line_options;
+ // --as-needed: Whether to add a DT_NEEDED argument only if the
+ // dynamic object is used.
+ bool
+ as_needed() const
+ { return this->as_needed_; }
void
set_static_search()
set_dynamic_search()
{ this->do_static_search_ = false; }
+ void
+ set_as_needed()
+ { this->as_needed_ = true; }
+
+ void
+ clear_as_needed()
+ { this->as_needed_ = false; }
+
+ private:
bool do_static_search_;
+ bool as_needed_;
};
// A single file or library argument from the command line.
-class Input_argument
+class Input_file_argument
{
public:
- Input_argument(const char* name, const Position_dependent_options& options)
- : name_(name), options_(options)
+ Input_file_argument()
+ : name_(), is_lib_(false), options_()
+ { }
+
+ Input_file_argument(const char* name, bool is_lib,
+ const Position_dependent_options& options)
+ : name_(name), is_lib_(is_lib), options_(options)
{ }
const char*
name() const
- { return this->name_; }
+ { return this->name_.c_str(); }
const Position_dependent_options&
options() const
bool
is_lib() const
- { return this->name_[0] == '-' && this->name_[1] == 'l'; }
-
- const char*
- lib_basename() const
- { return this->name_ + 2; }
+ { return this->is_lib_; }
private:
- const char* name_;
+ // We use std::string, not const char*, here for convenience when
+ // using script files, so that we do not have to preserve the string
+ // in that case.
+ std::string name_;
+ bool is_lib_;
Position_dependent_options options_;
};
+// A file or library, or a group, from the command line.
+
+class Input_argument
+{
+ public:
+ // Create a file or library argument.
+ explicit Input_argument(Input_file_argument file)
+ : is_file_(true), file_(file), group_(NULL)
+ { }
+
+ // Create a group argument.
+ explicit Input_argument(Input_file_group* group)
+ : is_file_(false), group_(group)
+ { }
+
+ // Return whether this is a file.
+ bool
+ is_file() const
+ { return this->is_file_; }
+
+ // Return whether this is a group.
+ bool
+ is_group() const
+ { return !this->is_file_; }
+
+ // Return the information about the file.
+ const Input_file_argument&
+ file() const
+ {
+ gold_assert(this->is_file_);
+ return this->file_;
+ }
+
+ // Return the information about the group.
+ const Input_file_group*
+ group() const
+ {
+ gold_assert(!this->is_file_);
+ return this->group_;
+ }
+
+ Input_file_group*
+ group()
+ {
+ gold_assert(!this->is_file_);
+ return this->group_;
+ }
+
+ private:
+ bool is_file_;
+ Input_file_argument file_;
+ Input_file_group* group_;
+};
+
+// A group from the command line. This is a set of arguments within
+// --start-group ... --end-group.
+
+class Input_file_group
+{
+ public:
+ typedef std::vector<Input_argument> Files;
+ typedef Files::const_iterator const_iterator;
+
+ Input_file_group()
+ : files_()
+ { }
+
+ // Add a file to the end of the group.
+ void
+ add_file(const Input_file_argument& arg)
+ { this->files_.push_back(Input_argument(arg)); }
+
+ // Iterators to iterate over the group contents.
+
+ const_iterator
+ begin() const
+ { return this->files_.begin(); }
+
+ const_iterator
+ end() const
+ { return this->files_.end(); }
+
+ private:
+ Files files_;
+};
+
+// A list of files from the command line or a script.
+
+class Input_arguments
+{
+ public:
+ typedef std::vector<Input_argument> Input_argument_list;
+ typedef Input_argument_list::const_iterator const_iterator;
+
+ Input_arguments()
+ : input_argument_list_(), in_group_(false)
+ { }
+
+ // Add a file.
+ void
+ add_file(const Input_file_argument& arg);
+
+ // Start a group (the --start-group option).
+ void
+ start_group();
+
+ // End a group (the --end-group option).
+ void
+ end_group();
+
+ // Return whether we are currently in a group.
+ bool
+ in_group() const
+ { return this->in_group_; }
+
+ // Iterators to iterate over the list of input files.
+
+ const_iterator
+ begin() const
+ { return this->input_argument_list_.begin(); }
+
+ const_iterator
+ end() const
+ { return this->input_argument_list_.end(); }
+
+ // Return whether the list is empty.
+ bool
+ empty() const
+ { return this->input_argument_list_.empty(); }
+
+ private:
+ Input_argument_list input_argument_list_;
+ bool in_group_;
+};
+
// All the information read from the command line.
class Command_line
{
public:
+ typedef Input_arguments::const_iterator const_iterator;
+
Command_line();
// Process the command line options. This will exit with an
void
process(int argc, char** argv);
+ // Handle a -l option.
+ int
+ process_l_option(int, char**, char*);
+
+ // Handle a --start-group option.
+ void
+ start_group(const char* arg);
+
+ // Handle a --end-group option.
+ void
+ end_group(const char* arg);
+
+ // Get the general options.
const General_options&
options() const
{ return this->options_; }
- typedef std::list<Input_argument> Input_argument_list;
+ // Iterators to iterate over the list of input files.
- const Input_argument_list&
- inputs() const
- { return this->inputs_; }
+ const_iterator
+ begin() const
+ { return this->inputs_.begin(); }
+
+ const_iterator
+ end() const
+ { return this->inputs_.end(); }
private:
- void usage() ATTRIBUTE_NORETURN;
- void usage(const char* msg, const char* opt) ATTRIBUTE_NORETURN;
- void usage(const char* msg, char opt) ATTRIBUTE_NORETURN;
- void apply_option(const gold::options::One_option&, const char*);
+ Command_line(const Command_line&);
+ Command_line& operator=(const Command_line&);
+
+ // Report usage error.
+ void
+ usage() ATTRIBUTE_NORETURN;
+ void
+ usage(const char* msg, const char* opt) ATTRIBUTE_NORETURN;
+ void
+ usage(const char* msg, char opt) ATTRIBUTE_NORETURN;
+
+ // Apply a command line option.
+ void
+ apply_option(const gold::options::One_option&, const char*);
+
+ // Add a file.
+ void
+ add_file(const char* name, bool is_lib);
General_options options_;
Position_dependent_options position_options_;
- Input_argument_list inputs_;
+ Input_arguments inputs_;
};
} // End namespace gold.