diff options
Diffstat (limited to 'gold/options.cc')
| -rw-r--r-- | gold/options.cc | 65 |
1 files changed, 59 insertions, 6 deletions
diff --git a/gold/options.cc b/gold/options.cc index c962188..fb79901 100644 --- a/gold/options.cc +++ b/gold/options.cc @@ -28,6 +28,7 @@ #include "filenames.h" #include "libiberty.h" +#include "debug.h" #include "options.h" namespace gold @@ -106,6 +107,17 @@ struct options::One_z_option void (General_options::*set)(); }; +// We have a separate table for --debug options. + +struct options::One_debug_option +{ + // The name of the option. + const char* name; + + // The flags to turn on. + unsigned int debug_flags; +}; + class options::Command_line_options { public: @@ -113,6 +125,8 @@ class options::Command_line_options static const int options_size; static const One_z_option z_options[]; static const int z_options_size; + static const One_debug_option debug_options[]; + static const int debug_options_size; }; } // End namespace gold. @@ -247,7 +261,7 @@ help(int, char**, char*, bool, gold::Command_line*) std::puts(options[i].doc); } - ::exit(0); + ::exit(EXIT_SUCCESS); return 0; } @@ -258,7 +272,7 @@ int version(int, char**, char* opt, bool, gold::Command_line*) { gold::print_version(opt[0] == 'v' && opt[1] == '\0'); - ::exit(0); + ::exit(EXIT_SUCCESS); return 0; } @@ -466,7 +480,10 @@ options::Command_line_options::options[] = SPECIAL('\0', "help", N_("Report usage information"), NULL, TWO_DASHES, &help), SPECIAL('v', "version", N_("Report version information"), NULL, - TWO_DASHES, &version) + TWO_DASHES, &version), + GENERAL_ARG('\0', "debug", N_("Turn on debugging (all,task)"), + N_("--debug=TYPE"), TWO_DASHES, + &General_options::handle_debug_option) }; const int options::Command_line_options::options_size = @@ -484,6 +501,18 @@ options::Command_line_options::z_options[] = const int options::Command_line_options::z_options_size = sizeof(z_options) / sizeof(z_options[0]); +// The --debug options. + +const options::One_debug_option +options::Command_line_options::debug_options[] = +{ + { "all", DEBUG_ALL }, + { "task", DEBUG_TASK }, +}; + +const int options::Command_line_options::debug_options_size = + sizeof(debug_options) / sizeof(debug_options[0]); + // The default values for the general options. General_options::General_options() @@ -509,7 +538,8 @@ General_options::General_options() thread_count_initial_(0), thread_count_middle_(0), thread_count_final_(0), - execstack_(EXECSTACK_FROM_INPUT) + execstack_(EXECSTACK_FROM_INPUT), + debug_(0) { // We initialize demangle_ based on the environment variable // COLLECT_NO_DEMANGLE. The gcc collect2 program will demangle the @@ -547,7 +577,30 @@ General_options::handle_z_option(const char* arg) fprintf(stderr, _("%s: unrecognized -z subcommand: %s\n"), program_name, arg); - ::exit(1); + ::exit(EXIT_FAILURE); +} + +// Handle the --debug option. + +void +General_options::handle_debug_option(const char* arg) +{ + const int debug_options_size = + options::Command_line_options::debug_options_size; + const gold::options::One_debug_option* debug_options = + options::Command_line_options::debug_options; + for (int i = 0; i < debug_options_size; ++i) + { + if (strcmp(arg, debug_options[i].name) == 0) + { + this->set_debug(debug_options[i].debug_flags); + return; + } + } + + fprintf(stderr, _("%s: unrecognized --debug subcommand: %s\n"), + program_name, arg); + ::exit(EXIT_FAILURE); } // Add the sysroot, if any, to the search paths. @@ -961,7 +1014,7 @@ Command_line::usage() fprintf(stderr, _("%s: use the --help option for usage information\n"), program_name); - ::exit(1); + ::exit(EXIT_FAILURE); } void |