2006-08-05 07:10:59 +08:00
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// options.c -- handle command line options for gold
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#include <iostream>
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#include "gold.h"
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#include "options.h"
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2006-09-30 03:58:17 +08:00
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namespace gold
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{
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2006-08-05 07:10:59 +08:00
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// The information we keep for a single command line option.
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2006-09-30 03:58:17 +08:00
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struct options::One_option
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2006-08-05 07:10:59 +08:00
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{
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// The single character option name, or '\0' if this is only a long
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// option.
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char short_option;
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// The long option name, or NULL if this is only a short option.
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const char* long_option;
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// Description of the option for --help output, or NULL if there is none.
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const char* doc;
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// How to print the option name in --help output, or NULL to use the
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// default.
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const char* help_output;
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// Long option dash control. This is ignored if long_option is
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// NULL.
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enum
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{
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// Long option normally takes one dash; two dashes are also
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// accepted.
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ONE_DASH,
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// Long option normally takes two dashes; one dash is also
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// accepted.
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TWO_DASHES,
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// Long option always takes two dashes.
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EXACTLY_TWO_DASHES
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} dash;
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// Function for special handling, or NULL. Returns the number of
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// arguments to skip. This will normally be at least 1, but it may
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// be 0 if this function changes *argv. ARG points to the location
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// in *ARGV where the option starts, which may be helpful for a
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// short option.
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2006-09-30 03:58:17 +08:00
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int (*special)(int argc, char** argv, char *arg, Command_line*);
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2006-08-05 07:10:59 +08:00
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// If this is a position independent option which does not take an
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// argument, this is the member function to call to record it.
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2006-09-30 03:58:17 +08:00
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void (General_options::*general_noarg)();
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2006-08-05 07:10:59 +08:00
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// If this is a position independent function which takes an
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// argument, this is the member function to call to record it.
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2006-09-30 03:58:17 +08:00
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void (General_options::*general_arg)(const char*);
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2006-08-05 07:10:59 +08:00
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// If this is a position dependent option which does not take an
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// argument, this is the member function to call to record it.
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2006-09-30 03:58:17 +08:00
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void (Position_dependent_options::*dependent_noarg)();
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2006-08-05 07:10:59 +08:00
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// If this is a position dependent option which takes an argument,
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// this is the member function to record it.
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2006-09-30 03:58:17 +08:00
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void (Position_dependent_options::*dependent_arg)(const char*);
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2006-08-05 07:10:59 +08:00
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// Return whether this option takes an argument.
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bool
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takes_argument() const
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{ return this->general_arg != NULL || this->dependent_arg != NULL; }
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};
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2006-09-30 03:58:17 +08:00
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class options::Command_line_options
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2006-08-05 07:10:59 +08:00
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{
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public:
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static const One_option options[];
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static const int options_size;
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};
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2006-09-30 03:58:17 +08:00
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} // End namespace gold.
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2006-08-05 07:10:59 +08:00
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namespace
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{
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2006-09-30 03:58:17 +08:00
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// Handle the special -l option, which adds an input file.
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int
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library(int argc, char** argv, char* arg, gold::Command_line* cmdline)
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{
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return cmdline->process_l_option(argc, argv, arg);
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}
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2006-11-04 02:26:11 +08:00
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// Handle the special --start-group option.
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int
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start_group(int, char**, char* arg, gold::Command_line* cmdline)
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{
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cmdline->start_group(arg);
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return 1;
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}
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// Handle the special --end-group option.
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int
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end_group(int, char**, char* arg, gold::Command_line* cmdline)
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{
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cmdline->end_group(arg);
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return 1;
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}
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2006-08-05 07:10:59 +08:00
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// Report usage information for ld --help, and exit.
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int
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help(int, char**, char*, gold::Command_line*)
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{
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printf(_("Usage: %s [options] file...\nOptions:\n"), gold::program_name);
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const int options_size = gold::options::Command_line_options::options_size;
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const gold::options::One_option* options =
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gold::options::Command_line_options::options;
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for (int i = 0; i < options_size; ++i)
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{
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if (options[i].doc == NULL)
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continue;
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printf(" ");
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int len = 2;
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bool comma = false;
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int j = i;
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do
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{
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if (options[j].help_output != NULL)
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{
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if (comma)
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{
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printf(", ");
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len += 2;
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}
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printf(options[j].help_output);
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len += std::strlen(options[i].help_output);
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2007-08-22 13:06:38 +08:00
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comma = true;
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2006-08-05 07:10:59 +08:00
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}
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else
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{
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if (options[j].short_option != '\0')
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{
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if (comma)
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{
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printf(", ");
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len += 2;
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}
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printf("-%c", options[j].short_option);
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len += 2;
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2007-08-22 13:06:38 +08:00
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comma = true;
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2006-08-05 07:10:59 +08:00
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}
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if (options[j].long_option != NULL)
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{
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if (comma)
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{
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printf(", ");
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len += 2;
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}
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if (options[j].dash == gold::options::One_option::ONE_DASH)
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{
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printf("-");
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++len;
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}
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else
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{
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printf("--");
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len += 2;
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}
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printf("%s", options[j].long_option);
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len += std::strlen(options[j].long_option);
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2007-08-22 13:06:38 +08:00
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comma = true;
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2006-08-05 07:10:59 +08:00
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}
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}
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++j;
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}
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while (j < options_size && options[j].doc == NULL);
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2007-08-22 13:06:38 +08:00
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if (len >= 30)
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2006-08-05 07:10:59 +08:00
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{
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printf("\n");
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len = 0;
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}
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for (; len < 30; ++len)
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std::putchar(' ');
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std::puts(options[i].doc);
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}
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gold::gold_exit(true);
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return 0;
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}
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2006-09-30 03:58:17 +08:00
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} // End anonymous namespace.
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namespace gold
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{
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2006-08-05 07:10:59 +08:00
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// Helper macros used to specify the options. We could also do this
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// using constructors, but then g++ would generate code to initialize
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// the array. We want the array to be initialized statically so that
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// we get better startup time.
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#define GENERAL_NOARG(short_option, long_option, doc, help, dash, func) \
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2006-09-30 03:58:17 +08:00
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{ short_option, long_option, doc, help, options::One_option::dash, \
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2006-08-05 07:10:59 +08:00
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NULL, func, NULL, NULL, NULL }
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#define GENERAL_ARG(short_option, long_option, doc, help, dash, func) \
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2006-09-30 03:58:17 +08:00
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{ short_option, long_option, doc, help, options::One_option::dash, \
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2006-08-05 07:10:59 +08:00
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NULL, NULL, func, NULL, NULL }
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#define POSDEP_NOARG(short_option, long_option, doc, help, dash, func) \
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2006-09-30 03:58:17 +08:00
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{ short_option, long_option, doc, help, options::One_option::dash, \
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2006-08-05 07:10:59 +08:00
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NULL, NULL, NULL, func, NULL }
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#define POSDEP_ARG(short_option, long_option, doc, help, dash, func) \
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2006-09-30 03:58:17 +08:00
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{ short_option, long_option, doc, help, options::One_option::dash, \
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2006-08-05 07:10:59 +08:00
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NULL, NULL, NULL, NULL, func }
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#define SPECIAL(short_option, long_option, doc, help, dash, func) \
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2006-09-30 03:58:17 +08:00
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{ short_option, long_option, doc, help, options::One_option::dash, \
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2006-08-05 07:10:59 +08:00
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func, NULL, NULL, NULL, NULL }
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// Here is the actual list of options which we accept.
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2006-09-30 03:58:17 +08:00
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const options::One_option
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options::Command_line_options::options[] =
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2006-08-05 07:10:59 +08:00
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{
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2006-09-30 03:58:17 +08:00
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SPECIAL('l', "library", N_("Search for library LIBNAME"),
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2007-08-22 13:06:38 +08:00
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N_("-lLIBNAME, --library LIBNAME"), TWO_DASHES,
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2006-09-30 03:58:17 +08:00
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&library),
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2006-11-04 02:26:11 +08:00
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SPECIAL('(', "start-group", N_("Start a library search group"), NULL,
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TWO_DASHES, &start_group),
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SPECIAL(')', "end-group", N_("End a library search group"), NULL,
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TWO_DASHES, &end_group),
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2007-08-22 13:06:38 +08:00
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GENERAL_NOARG('E', "export-dynamic", N_("Export all dynamic symbols"),
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NULL, TWO_DASHES, &General_options::set_export_dynamic),
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2006-11-15 03:21:05 +08:00
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GENERAL_ARG('I', "dynamic-linker", N_("Set dynamic linker path"),
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N_("-I PROGRAM, --dynamic-linker PROGRAM"), TWO_DASHES,
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&General_options::set_dynamic_linker),
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2006-08-05 07:10:59 +08:00
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GENERAL_ARG('L', "library-path", N_("Add directory to search path"),
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N_("-L DIR, --library-path DIR"), TWO_DASHES,
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2006-09-30 03:58:17 +08:00
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&General_options::add_to_search_path),
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2006-11-04 02:48:03 +08:00
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GENERAL_ARG('m', NULL, N_("Ignored for compatibility"), NULL, ONE_DASH,
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&General_options::ignore),
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2007-09-21 13:43:33 +08:00
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GENERAL_ARG('O', NULL, N_("Optimize output file size"),
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N_("-O level"), ONE_DASH,
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&General_options::set_optimization_level),
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2006-09-30 03:58:17 +08:00
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GENERAL_ARG('o', "output", N_("Set output file name"),
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N_("-o FILE, --output FILE"), TWO_DASHES,
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&General_options::set_output_file_name),
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2006-08-05 07:10:59 +08:00
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GENERAL_NOARG('r', NULL, N_("Generate relocatable output"), NULL,
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2006-09-30 03:58:17 +08:00
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ONE_DASH, &General_options::set_relocatable),
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2007-09-07 07:37:53 +08:00
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GENERAL_ARG('R', "rpath", N_("Add DIR to runtime search path"),
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2007-08-22 04:37:32 +08:00
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N_("-R DIR, -rpath DIR"), ONE_DASH,
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&General_options::add_to_rpath),
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2007-08-23 01:07:36 +08:00
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GENERAL_NOARG('\0', "eh-frame-hdr", N_("Create exception frame header"),
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2007-09-20 07:50:56 +08:00
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NULL, TWO_DASHES, &General_options::set_create_eh_frame_hdr),
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2007-09-07 07:37:53 +08:00
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GENERAL_ARG('\0', "rpath-link",
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N_("Add DIR to link time shared library search path"),
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N_("--rpath-link DIR"), TWO_DASHES,
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&General_options::add_to_rpath_link),
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2006-10-21 04:40:49 +08:00
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GENERAL_NOARG('\0', "shared", N_("Generate shared library"),
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NULL, ONE_DASH, &General_options::set_shared),
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2006-08-05 07:10:59 +08:00
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GENERAL_NOARG('\0', "static", N_("Do not link against shared libraries"),
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2006-09-30 03:58:17 +08:00
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NULL, ONE_DASH, &General_options::set_static),
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2006-11-15 03:21:05 +08:00
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POSDEP_NOARG('\0', "as-needed",
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2007-08-22 13:06:38 +08:00
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N_("Only set DT_NEEDED for dynamic libs if used"),
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2006-11-15 03:21:05 +08:00
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NULL, TWO_DASHES, &Position_dependent_options::set_as_needed),
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POSDEP_NOARG('\0', "no-as-needed",
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2007-08-22 13:06:38 +08:00
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N_("Always DT_NEEDED for dynamic libs (default)"),
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2006-11-15 03:21:05 +08:00
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NULL, TWO_DASHES, &Position_dependent_options::clear_as_needed),
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2007-08-22 07:37:56 +08:00
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POSDEP_NOARG('\0', "whole-archive",
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N_("Include all archive contents"),
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NULL, TWO_DASHES,
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&Position_dependent_options::set_whole_archive),
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POSDEP_NOARG('\0', "no-whole-archive",
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N_("Include only needed archive contents"),
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NULL, TWO_DASHES,
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&Position_dependent_options::clear_whole_archive),
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2006-08-05 07:10:59 +08:00
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SPECIAL('\0', "help", N_("Report usage information"), NULL,
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TWO_DASHES, &help)
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};
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2006-09-30 03:58:17 +08:00
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const int options::Command_line_options::options_size =
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2006-08-05 07:10:59 +08:00
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sizeof (options) / sizeof (options[0]);
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// The default values for the general options.
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2006-09-30 03:58:17 +08:00
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General_options::General_options()
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2007-08-22 13:06:38 +08:00
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: export_dynamic_(false),
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dynamic_linker_(NULL),
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2006-11-15 03:21:05 +08:00
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search_path_(),
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2007-09-21 13:43:33 +08:00
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optimization_level_(0),
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2006-09-30 03:58:17 +08:00
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output_file_name_("a.out"),
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is_relocatable_(false),
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2007-08-23 01:07:36 +08:00
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create_eh_frame_hdr_(false),
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2007-08-22 07:37:56 +08:00
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rpath_(),
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2007-09-07 07:37:53 +08:00
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rpath_link_(),
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2006-10-21 04:40:49 +08:00
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is_shared_(false),
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2006-09-30 03:58:17 +08:00
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is_static_(false)
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2006-08-05 07:10:59 +08:00
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{
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}
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// The default values for the position dependent options.
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2006-09-30 03:58:17 +08:00
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Position_dependent_options::Position_dependent_options()
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2007-08-22 07:37:56 +08:00
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: do_static_search_(false),
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as_needed_(false),
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|
include_whole_archive_(false)
|
2006-08-05 07:10:59 +08:00
|
|
|
{
|
|
|
|
}
|
|
|
|
|
2006-11-15 03:21:05 +08:00
|
|
|
// 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
|
|
|
|
{
|
2006-11-30 01:56:40 +08:00
|
|
|
gold_assert(!this->input_argument_list_.empty());
|
|
|
|
gold_assert(this->input_argument_list_.back().is_group());
|
2006-11-15 03:21:05 +08:00
|
|
|
this->input_argument_list_.back().group()->add_file(file);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// Start a group.
|
|
|
|
|
|
|
|
void
|
|
|
|
Input_arguments::start_group()
|
|
|
|
{
|
2006-11-30 01:56:40 +08:00
|
|
|
gold_assert(!this->in_group_);
|
2006-11-15 03:21:05 +08:00
|
|
|
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()
|
|
|
|
{
|
2006-11-30 01:56:40 +08:00
|
|
|
gold_assert(this->in_group_);
|
2006-11-15 03:21:05 +08:00
|
|
|
this->in_group_ = false;
|
|
|
|
}
|
|
|
|
|
2006-11-04 02:26:11 +08:00
|
|
|
// Command_line options.
|
2006-08-05 07:10:59 +08:00
|
|
|
|
2006-09-30 03:58:17 +08:00
|
|
|
Command_line::Command_line()
|
2006-11-15 03:21:05 +08:00
|
|
|
: options_(), position_options_(), inputs_()
|
2006-08-05 07:10:59 +08:00
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
// Process the command line options.
|
|
|
|
|
|
|
|
void
|
2006-09-30 03:58:17 +08:00
|
|
|
Command_line::process(int argc, char** argv)
|
2006-08-05 07:10:59 +08:00
|
|
|
{
|
2006-09-30 03:58:17 +08:00
|
|
|
const int options_size = options::Command_line_options::options_size;
|
|
|
|
const options::One_option* options =
|
|
|
|
options::Command_line_options::options;
|
2006-08-05 07:10:59 +08:00
|
|
|
bool no_more_options = false;
|
|
|
|
int i = 0;
|
|
|
|
while (i < argc)
|
|
|
|
{
|
|
|
|
if (argv[i][0] != '-' || no_more_options)
|
|
|
|
{
|
2006-11-04 02:26:11 +08:00
|
|
|
this->add_file(argv[i], false);
|
2006-08-05 07:10:59 +08:00
|
|
|
++i;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Option starting with '-'.
|
|
|
|
int dashes = 1;
|
|
|
|
if (argv[i][1] == '-')
|
|
|
|
{
|
|
|
|
dashes = 2;
|
|
|
|
if (argv[i][2] == '\0')
|
|
|
|
{
|
|
|
|
no_more_options = true;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// Look for a long option match.
|
|
|
|
char* opt = argv[i] + dashes;
|
|
|
|
char first = opt[0];
|
|
|
|
int skiparg = 0;
|
|
|
|
char* arg = strchr(opt, '=');
|
|
|
|
if (arg != NULL)
|
|
|
|
*arg = '\0';
|
|
|
|
else if (i + 1 < argc)
|
|
|
|
{
|
|
|
|
arg = argv[i + 1];
|
|
|
|
skiparg = 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
int j;
|
|
|
|
for (j = 0; j < options_size; ++j)
|
|
|
|
{
|
|
|
|
if (options[j].long_option != NULL
|
|
|
|
&& (dashes == 2
|
|
|
|
|| (options[j].dash
|
2006-09-30 03:58:17 +08:00
|
|
|
!= options::One_option::EXACTLY_TWO_DASHES))
|
2006-08-05 07:10:59 +08:00
|
|
|
&& first == options[j].long_option[0]
|
|
|
|
&& strcmp(opt, options[j].long_option) == 0)
|
|
|
|
{
|
|
|
|
if (options[j].special)
|
|
|
|
i += options[j].special(argc - 1, argv + i, opt, this);
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if (!options[j].takes_argument())
|
|
|
|
{
|
|
|
|
arg = NULL;
|
|
|
|
skiparg = 0;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if (arg == NULL)
|
|
|
|
this->usage(_("missing argument"), argv[i]);
|
|
|
|
}
|
|
|
|
this->apply_option(options[j], arg);
|
|
|
|
i += skiparg + 1;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (j < options_size)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
// If we saw two dashes, we need to see a long option.
|
|
|
|
if (dashes == 2)
|
|
|
|
this->usage(_("unknown option"), argv[i]);
|
|
|
|
|
|
|
|
// Look for a short option match. There may be more than one
|
|
|
|
// short option in a given argument.
|
|
|
|
bool done = false;
|
|
|
|
char* s = argv[i] + 1;
|
|
|
|
++i;
|
|
|
|
while (*s != '\0' && !done)
|
|
|
|
{
|
|
|
|
char opt = *s;
|
|
|
|
int j;
|
|
|
|
for (j = 0; j < options_size; ++j)
|
|
|
|
{
|
|
|
|
if (options[j].short_option == opt)
|
|
|
|
{
|
|
|
|
if (options[j].special)
|
|
|
|
{
|
|
|
|
// Undo the argument skip done above.
|
|
|
|
--i;
|
|
|
|
i += options[j].special(argc - i, argv + i, s, this);
|
|
|
|
done = true;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
arg = NULL;
|
|
|
|
if (options[j].takes_argument())
|
|
|
|
{
|
|
|
|
if (s[1] != '\0')
|
|
|
|
{
|
|
|
|
arg = s + 1;
|
|
|
|
done = true;
|
|
|
|
}
|
|
|
|
else if (i < argc)
|
|
|
|
{
|
|
|
|
arg = argv[i];
|
|
|
|
++i;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
this->usage(_("missing argument"), opt);
|
|
|
|
}
|
|
|
|
this->apply_option(options[j], arg);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (j >= options_size)
|
|
|
|
this->usage(_("unknown option"), *s);
|
|
|
|
|
|
|
|
++s;
|
|
|
|
}
|
|
|
|
}
|
2006-09-30 03:58:17 +08:00
|
|
|
|
2006-11-15 03:21:05 +08:00
|
|
|
if (this->inputs_.in_group())
|
2006-11-04 02:26:11 +08:00
|
|
|
{
|
|
|
|
fprintf(stderr, _("%s: missing group end"), program_name);
|
|
|
|
this->usage();
|
|
|
|
}
|
|
|
|
|
2006-09-30 03:58:17 +08:00
|
|
|
// 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");
|
2006-08-05 07:10:59 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
// Apply a command line option.
|
|
|
|
|
|
|
|
void
|
2006-09-30 03:58:17 +08:00
|
|
|
Command_line::apply_option(const options::One_option& opt,
|
|
|
|
const char* arg)
|
2006-08-05 07:10:59 +08:00
|
|
|
{
|
|
|
|
if (arg == NULL)
|
|
|
|
{
|
|
|
|
if (opt.general_noarg)
|
|
|
|
(this->options_.*(opt.general_noarg))();
|
|
|
|
else if (opt.dependent_noarg)
|
|
|
|
(this->position_options_.*(opt.dependent_noarg))();
|
|
|
|
else
|
2006-09-30 03:58:17 +08:00
|
|
|
gold_unreachable();
|
2006-08-05 07:10:59 +08:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if (opt.general_arg)
|
|
|
|
(this->options_.*(opt.general_arg))(arg);
|
|
|
|
else if (opt.dependent_arg)
|
|
|
|
(this->position_options_.*(opt.dependent_arg))(arg);
|
|
|
|
else
|
2006-09-30 03:58:17 +08:00
|
|
|
gold_unreachable();
|
2006-08-05 07:10:59 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2006-11-04 02:26:11 +08:00
|
|
|
// 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_);
|
2006-11-15 03:21:05 +08:00
|
|
|
this->inputs_.add_file(file);
|
2006-11-04 02:26:11 +08:00
|
|
|
}
|
|
|
|
|
2006-09-30 03:58:17 +08:00
|
|
|
// 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);
|
|
|
|
|
2006-11-04 02:26:11 +08:00
|
|
|
this->add_file(libname, true);
|
2006-09-30 03:58:17 +08:00
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2006-11-04 02:26:11 +08:00
|
|
|
// Handle the --start-group option.
|
|
|
|
|
|
|
|
void
|
|
|
|
Command_line::start_group(const char* arg)
|
|
|
|
{
|
2006-11-15 03:21:05 +08:00
|
|
|
if (this->inputs_.in_group())
|
2006-11-04 02:26:11 +08:00
|
|
|
this->usage(_("may not nest groups"), arg);
|
2006-11-15 03:21:05 +08:00
|
|
|
this->inputs_.start_group();
|
2006-11-04 02:26:11 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
// Handle the --end-group option.
|
|
|
|
|
|
|
|
void
|
|
|
|
Command_line::end_group(const char* arg)
|
|
|
|
{
|
2006-11-15 03:21:05 +08:00
|
|
|
if (!this->inputs_.in_group())
|
2006-11-04 02:26:11 +08:00
|
|
|
this->usage(_("group end without group start"), arg);
|
2006-11-15 03:21:05 +08:00
|
|
|
this->inputs_.end_group();
|
2006-11-04 02:26:11 +08:00
|
|
|
}
|
|
|
|
|
2006-08-05 07:10:59 +08:00
|
|
|
// Report a usage error. */
|
|
|
|
|
|
|
|
void
|
2006-09-30 03:58:17 +08:00
|
|
|
Command_line::usage()
|
2006-08-05 07:10:59 +08:00
|
|
|
{
|
|
|
|
fprintf(stderr,
|
|
|
|
_("%s: use the --help option for usage information\n"),
|
2006-09-30 03:58:17 +08:00
|
|
|
program_name);
|
|
|
|
gold_exit(false);
|
2006-08-05 07:10:59 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
void
|
2006-09-30 03:58:17 +08:00
|
|
|
Command_line::usage(const char* msg, const char *opt)
|
2006-08-05 07:10:59 +08:00
|
|
|
{
|
|
|
|
fprintf(stderr,
|
|
|
|
_("%s: %s: %s\n"),
|
2006-09-30 03:58:17 +08:00
|
|
|
program_name, opt, msg);
|
2006-08-05 07:10:59 +08:00
|
|
|
this->usage();
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
2006-09-30 03:58:17 +08:00
|
|
|
Command_line::usage(const char* msg, char opt)
|
2006-08-05 07:10:59 +08:00
|
|
|
{
|
|
|
|
fprintf(stderr,
|
|
|
|
_("%s: -%c: %s\n"),
|
2006-09-30 03:58:17 +08:00
|
|
|
program_name, opt, msg);
|
2006-08-05 07:10:59 +08:00
|
|
|
this->usage();
|
|
|
|
}
|
2006-09-30 03:58:17 +08:00
|
|
|
|
|
|
|
} // End namespace gold.
|