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Add threading support.

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This commit is contained in:
Ian Lance Taylor
2007-11-22 00:05:51 +00:00
parent 06d063c072
commit c79126688f
31 changed files with 1494 additions and 488 deletions
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65
gold/options.cc
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@@ -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