#include "gold.h"
#include "options.h"
+namespace gold
+{
+
// The information we keep for a single command line option.
-struct gold::options::One_option
+struct options::One_option
{
// The single character option name, or '\0' if this is only a long
// option.
// be 0 if this function changes *argv. ARG points to the location
// in *ARGV where the option starts, which may be helpful for a
// short option.
- int (*special)(int argc, char** argv, char *arg, gold::Command_line*);
+ int (*special)(int argc, char** argv, char *arg, Command_line*);
// If this is a position independent option which does not take an
// argument, this is the member function to call to record it.
- void (gold::General_options::*general_noarg)();
+ void (General_options::*general_noarg)();
// If this is a position independent function which takes an
// argument, this is the member function to call to record it.
- void (gold::General_options::*general_arg)(const char*);
+ void (General_options::*general_arg)(const char*);
// If this is a position dependent option which does not take an
// argument, this is the member function to call to record it.
- void (gold::Position_dependent_options::*dependent_noarg)();
+ void (Position_dependent_options::*dependent_noarg)();
// If this is a position dependent option which takes an argument,
// this is the member function to record it.
- void (gold::Position_dependent_options::*dependent_arg)(const char*);
+ void (Position_dependent_options::*dependent_arg)(const char*);
// Return whether this option takes an argument.
bool
{ return this->general_arg != NULL || this->dependent_arg != NULL; }
};
-class gold::options::Command_line_options
+class options::Command_line_options
{
public:
static const One_option options[];
static const int options_size;
};
+} // End namespace gold.
+
namespace
{
+// Handle the special -l option, which adds an input file.
+
+int
+library(int argc, char** argv, char* arg, gold::Command_line* cmdline)
+{
+ return cmdline->process_l_option(argc, argv, arg);
+}
+
+// Handle the special --start-group option.
+
+int
+start_group(int, char**, char* arg, gold::Command_line* cmdline)
+{
+ cmdline->start_group(arg);
+ return 1;
+}
+
+// Handle the special --end-group option.
+
+int
+end_group(int, char**, char* arg, gold::Command_line* cmdline)
+{
+ cmdline->end_group(arg);
+ return 1;
+}
+
// Report usage information for ld --help, and exit.
int
return 0;
}
-} // End empty namespace.
+} // End anonymous namespace.
+
+namespace gold
+{
// Helper macros used to specify the options. We could also do this
// using constructors, but then g++ would generate code to initialize
// we get better startup time.
#define GENERAL_NOARG(short_option, long_option, doc, help, dash, func) \
- { short_option, long_option, doc, help, gold::options::One_option::dash, \
+ { short_option, long_option, doc, help, options::One_option::dash, \
NULL, func, NULL, NULL, NULL }
#define GENERAL_ARG(short_option, long_option, doc, help, dash, func) \
- { short_option, long_option, doc, help, gold::options::One_option::dash, \
+ { short_option, long_option, doc, help, options::One_option::dash, \
NULL, NULL, func, NULL, NULL }
#define POSDEP_NOARG(short_option, long_option, doc, help, dash, func) \
- { short_option, long_option, doc, help, gold::options::One_option::dash, \
+ { short_option, long_option, doc, help, options::One_option::dash, \
NULL, NULL, NULL, func, NULL }
#define POSDEP_ARG(short_option, long_option, doc, help, dash, func) \
- { short_option, long_option, doc, help, gold::options::One_option::dash, \
+ { short_option, long_option, doc, help, options::One_option::dash, \
NULL, NULL, NULL, NULL, func }
#define SPECIAL(short_option, long_option, doc, help, dash, func) \
- { short_option, long_option, doc, help, gold::options::One_option::dash, \
+ { short_option, long_option, doc, help, options::One_option::dash, \
func, NULL, NULL, NULL, NULL }
// Here is the actual list of options which we accept.
-const gold::options::One_option
-gold::options::Command_line_options::options[] =
+const options::One_option
+options::Command_line_options::options[] =
{
+ SPECIAL('l', "library", N_("Search for library LIBNAME"),
+ N_("-lLIBNAME --library LIBNAME"), TWO_DASHES,
+ &library),
+ SPECIAL('(', "start-group", N_("Start a library search group"), NULL,
+ TWO_DASHES, &start_group),
+ SPECIAL(')', "end-group", N_("End a library search group"), NULL,
+ TWO_DASHES, &end_group),
+ GENERAL_ARG('I', "dynamic-linker", N_("Set dynamic linker path"),
+ N_("-I PROGRAM, --dynamic-linker PROGRAM"), TWO_DASHES,
+ &General_options::set_dynamic_linker),
GENERAL_ARG('L', "library-path", N_("Add directory to search path"),
N_("-L DIR, --library-path DIR"), TWO_DASHES,
- &gold::General_options::add_to_search_path),
+ &General_options::add_to_search_path),
+ GENERAL_ARG('m', NULL, N_("Ignored for compatibility"), NULL, ONE_DASH,
+ &General_options::ignore),
+ GENERAL_ARG('o', "output", N_("Set output file name"),
+ N_("-o FILE, --output FILE"), TWO_DASHES,
+ &General_options::set_output_file_name),
GENERAL_NOARG('r', NULL, N_("Generate relocatable output"), NULL,
- ONE_DASH, &gold::General_options::set_relocatable),
+ ONE_DASH, &General_options::set_relocatable),
+ GENERAL_NOARG('\0', "shared", N_("Generate shared library"),
+ NULL, ONE_DASH, &General_options::set_shared),
GENERAL_NOARG('\0', "static", N_("Do not link against shared libraries"),
- NULL, ONE_DASH, &gold::General_options::set_static),
+ NULL, ONE_DASH, &General_options::set_static),
+ POSDEP_NOARG('\0', "as-needed",
+ N_("Only set DT_NEEDED for following dynamic libs if used"),
+ NULL, TWO_DASHES, &Position_dependent_options::set_as_needed),
+ POSDEP_NOARG('\0', "no-as-needed",
+ N_("Always DT_NEEDED for following dynamic libs (default)"),
+ NULL, TWO_DASHES, &Position_dependent_options::clear_as_needed),
SPECIAL('\0', "help", N_("Report usage information"), NULL,
TWO_DASHES, &help)
};
-const int gold::options::Command_line_options::options_size =
+const int options::Command_line_options::options_size =
sizeof (options) / sizeof (options[0]);
// The default values for the general options.
-gold::General_options::General_options()
- : is_relocatable_(false)
+General_options::General_options()
+ : dynamic_linker_(NULL),
+ search_path_(),
+ output_file_name_("a.out"),
+ is_relocatable_(false),
+ is_shared_(false),
+ is_static_(false)
{
}
// The default values for the position dependent options.
-gold::Position_dependent_options::Position_dependent_options()
+Position_dependent_options::Position_dependent_options()
: do_static_search_(false)
{
}
-// Construct a Command_line.
+// Input_arguments methods.
+
+// Add a file to the list.
+
+void
+Input_arguments::add_file(const Input_file_argument& file)
+{
+ if (!this->in_group_)
+ this->input_argument_list_.push_back(Input_argument(file));
+ else
+ {
+ gold_assert(!this->input_argument_list_.empty());
+ gold_assert(this->input_argument_list_.back().is_group());
+ this->input_argument_list_.back().group()->add_file(file);
+ }
+}
+
+// Start a group.
+
+void
+Input_arguments::start_group()
+{
+ gold_assert(!this->in_group_);
+ Input_file_group* group = new Input_file_group();
+ this->input_argument_list_.push_back(Input_argument(group));
+ this->in_group_ = true;
+}
+
+// End a group.
+
+void
+Input_arguments::end_group()
+{
+ gold_assert(this->in_group_);
+ this->in_group_ = false;
+}
+
+// Command_line options.
-gold::Command_line::Command_line()
+Command_line::Command_line()
+ : options_(), position_options_(), inputs_()
{
}
// Process the command line options.
void
-gold::Command_line::process(int argc, char** argv)
+Command_line::process(int argc, char** argv)
{
- const int options_size = gold::options::Command_line_options::options_size;
- const gold::options::One_option* options =
- gold::options::Command_line_options::options;
+ const int options_size = options::Command_line_options::options_size;
+ const options::One_option* options =
+ options::Command_line_options::options;
bool no_more_options = false;
int i = 0;
while (i < argc)
{
if (argv[i][0] != '-' || no_more_options)
{
- this->inputs_.push_back(Input_argument(argv[i],
- this->position_options_));
+ this->add_file(argv[i], false);
++i;
continue;
}
if (options[j].long_option != NULL
&& (dashes == 2
|| (options[j].dash
- != gold::options::One_option::EXACTLY_TWO_DASHES))
+ != options::One_option::EXACTLY_TWO_DASHES))
&& first == options[j].long_option[0]
&& strcmp(opt, options[j].long_option) == 0)
{
++s;
}
}
+
+ if (this->inputs_.in_group())
+ {
+ fprintf(stderr, _("%s: missing group end"), program_name);
+ this->usage();
+ }
+
+ // FIXME: We should only do this when configured in native mode.
+ this->options_.add_to_search_path("/lib");
+ this->options_.add_to_search_path("/usr/lib");
}
// Apply a command line option.
void
-gold::Command_line::apply_option(const gold::options::One_option& opt,
- const char* arg)
+Command_line::apply_option(const options::One_option& opt,
+ const char* arg)
{
if (arg == NULL)
{
else if (opt.dependent_noarg)
(this->position_options_.*(opt.dependent_noarg))();
else
- gold::gold_unreachable();
+ gold_unreachable();
}
else
{
else if (opt.dependent_arg)
(this->position_options_.*(opt.dependent_arg))(arg);
else
- gold::gold_unreachable();
+ gold_unreachable();
}
}
+// Add an input file or library.
+
+void
+Command_line::add_file(const char* name, bool is_lib)
+{
+ Input_file_argument file(name, is_lib, this->position_options_);
+ this->inputs_.add_file(file);
+}
+
+// Handle the -l option, which requires special treatment.
+
+int
+Command_line::process_l_option(int argc, char** argv, char* arg)
+{
+ int ret;
+ const char* libname;
+ if (arg[1] != '\0')
+ {
+ ret = 1;
+ libname = arg + 1;
+ }
+ else if (argc > 1)
+ {
+ ret = 2;
+ libname = argv[argc + 1];
+ }
+ else
+ this->usage(_("missing argument"), arg);
+
+ this->add_file(libname, true);
+
+ return ret;
+}
+
+// Handle the --start-group option.
+
+void
+Command_line::start_group(const char* arg)
+{
+ if (this->inputs_.in_group())
+ this->usage(_("may not nest groups"), arg);
+ this->inputs_.start_group();
+}
+
+// Handle the --end-group option.
+
+void
+Command_line::end_group(const char* arg)
+{
+ if (!this->inputs_.in_group())
+ this->usage(_("group end without group start"), arg);
+ this->inputs_.end_group();
+}
+
// Report a usage error. */
void
-gold::Command_line::usage()
+Command_line::usage()
{
fprintf(stderr,
_("%s: use the --help option for usage information\n"),
- gold::program_name);
- gold::gold_exit(false);
+ program_name);
+ gold_exit(false);
}
void
-gold::Command_line::usage(const char* msg, const char *opt)
+Command_line::usage(const char* msg, const char *opt)
{
fprintf(stderr,
_("%s: %s: %s\n"),
- gold::program_name, opt, msg);
+ program_name, opt, msg);
this->usage();
}
void
-gold::Command_line::usage(const char* msg, char opt)
+Command_line::usage(const char* msg, char opt)
{
fprintf(stderr,
_("%s: -%c: %s\n"),
- gold::program_name, opt, msg);
+ program_name, opt, msg);
this->usage();
}
+
+} // End namespace gold.
projects / deliverable / binutils-gdb.git / blobdiff