#include "gold.h"
#include <cstdlib>
+#include <cstring>
#include <vector>
#include <iostream>
#include <sys/stat.h>
#include "filenames.h"
#include "libiberty.h"
+#include "demangle.h"
+#include "../bfd/bfdver.h"
#include "debug.h"
#include "script.h"
#include "target-select.h"
#include "options.h"
+#include "plugin.h"
namespace gold
{
std::vector<const One_option*>::const_iterator it;
for (it = registered_options.begin(); it != registered_options.end(); ++it)
(*it)->print();
+
+ // config.guess and libtool.m4 look in ld --help output for the
+ // string "supported targets".
+ printf(_("%s: supported targets:"), gold::program_name);
+ std::vector<const char*> supported_names;
+ gold::supported_target_names(&supported_names);
+ for (std::vector<const char*>::const_iterator p = supported_names.begin();
+ p != supported_names.end();
+ ++p)
+ printf(" %s", *p);
+ printf("\n");
+
+ // REPORT_BUGS_TO is defined in bfd/bfdver.h.
+ const char* report = REPORT_BUGS_TO;
+ if (*report != '\0')
+ printf(_("Report bugs to %s\n"), report);
}
// For bool, arg will be NULL (boolean options take no argument);
option_name, arg);
}
+void
+parse_double(const char* option_name, const char* arg, double* retval)
+{
+ char* endptr;
+ *retval = strtod(arg, &endptr);
+ if (*endptr != '\0')
+ gold_fatal(_("%s: invalid option value "
+ "(expected a floating point number): %s"),
+ option_name, arg);
+}
+
void
parse_string(const char* option_name, const char* arg, const char** retval)
{
*retval = arg;
}
+void
+parse_optional_string(const char*, const char* arg, const char** retval)
+{
+ *retval = arg;
+}
+
void
parse_dirlist(const char*, const char* arg, Dir_list* retval)
{
retval->push_back(Search_directory(arg, false));
}
+void
+parse_set(const char*, const char* arg, String_set* retval)
+{
+ retval->insert(std::string(arg));
+}
+
void
parse_choices(const char* option_name, const char* arg, const char** retval,
const char* choices[], int num_choices)
}
void
-General_options::parse_Bstatic(const char*, const char*, Command_line*)
-{
- this->set_Bdynamic(false);
+General_options::parse_V(const char*, const char*, Command_line*)
+{
+ gold::print_version(true);
+ printf(_(" Supported targets:\n"));
+ std::vector<const char*> supported_names;
+ gold::supported_target_names(&supported_names);
+ for (std::vector<const char*>::const_iterator p = supported_names.begin();
+ p != supported_names.end();
+ ++p)
+ printf(" %s\n", *p);
}
void
cmdline->inputs().add_file(file);
}
+#ifdef ENABLE_PLUGINS
+void
+General_options::parse_plugin(const char*, const char* arg,
+ Command_line*)
+{
+ this->add_plugin(arg);
+}
+#endif // ENABLE_PLUGINS
+
void
General_options::parse_R(const char* option, const char* arg,
Command_line* cmdline)
gold::gold_fatal(_("unable to parse version script file %s"), arg);
}
+void
+General_options::parse_dynamic_list(const char*, const char* arg,
+ Command_line* cmdline)
+{
+ if (!read_dynamic_list(arg, cmdline, &this->dynamic_list_))
+ gold::gold_fatal(_("unable to parse dynamic-list script file %s"), arg);
+}
+
void
General_options::parse_start_group(const char*, const char*,
Command_line* cmdline)
{
if (equals)
*arg = equals + 1;
+ else if (retval->takes_optional_argument())
+ *arg = retval->default_value;
else if (*i < argc && !equals_only)
*arg = argv[(*i)++];
else
// We handle -z as a special case.
static gold::options::One_option dash_z("", gold::options::DASH_Z,
- 'z', "", "-z", "Z-OPTION", NULL);
+ 'z', "", "-z", "Z-OPTION", false,
+ NULL);
gold::options::One_option* retval = NULL;
if (this_argv[pos_in_argv_i] == 'z')
retval = &dash_z;
++(*i);
if (this_argv[pos_in_argv_i + 1] != '\0')
*arg = this_argv + pos_in_argv_i + 1;
+ else if (retval->takes_optional_argument())
+ *arg = retval->default_value;
else if (*i < argc)
*arg = argv[(*i)++];
else
{
General_options::General_options()
- : execstack_status_(General_options::EXECSTACK_FROM_INPUT), static_(false)
+ : execstack_status_(General_options::EXECSTACK_FROM_INPUT), static_(false),
+ do_demangle_(false), plugins_()
{
}
free(canonical_sysroot);
}
+// Add a plugin and its arguments to the list of plugins.
+
+void
+General_options::add_plugin(const char* arg)
+{
+ if (this->plugins_ == NULL)
+ this->plugins_ = new Plugin_manager(*this);
+ this->plugins_->add_plugin(arg);
+}
+
// Set up variables and other state that isn't set up automatically by
// the parse routine, and ensure options don't contradict each other
// and are otherwise kosher.
General_options::finalize()
{
// Normalize the strip modifiers. They have a total order:
- // strip_all > strip_debug > strip_debug_gdb. If one is true, set
- // all beneath it to true as well.
+ // strip_all > strip_debug > strip_non_line > strip_debug_gdb.
+ // If one is true, set all beneath it to true as well.
if (this->strip_all())
this->set_strip_debug(true);
if (this->strip_debug())
+ this->set_strip_debug_non_line(true);
+ if (this->strip_debug_non_line())
this->set_strip_debug_gdb(true);
// If the user specifies both -s and -r, convert the -s to -S.
else if (this->noexecstack())
this->set_execstack_status(EXECSTACK_NO);
+ // Handle the optional argument for --demangle.
+ if (this->user_set_demangle())
+ {
+ this->set_do_demangle(true);
+ const char* style = this->demangle();
+ if (*style != '\0')
+ {
+ enum demangling_styles style_code;
+
+ style_code = cplus_demangle_name_to_style(style);
+ if (style_code == unknown_demangling)
+ gold_fatal("unknown demangling style '%s'", style);
+ cplus_demangle_set_style(style_code);
+ }
+ }
+ else if (this->user_set_no_demangle())
+ this->set_do_demangle(false);
+ else
+ {
+ // Testing COLLECT_NO_DEMANGLE makes our default demangling
+ // behaviour identical to that of gcc's linker wrapper.
+ this->set_do_demangle(getenv("COLLECT_NO_DEMANGLE") == NULL);
+ }
+
+ // -M is equivalent to "-Map -".
+ if (this->print_map() && !this->user_set_Map())
+ {
+ this->set_Map("-");
+ this->set_user_set_Map();
+ }
+
+ // Using -n or -N implies -static.
+ if (this->nmagic() || this->omagic())
+ this->set_static(true);
+
// If --thread_count is specified, it applies to
// --thread-count-{initial,middle,final}, though it doesn't override
// them.
program_name);
#endif
- // Even if they don't specify it, we add -L /lib and -L /usr/lib.
- // FIXME: We should only do this when configured in native mode.
- this->add_to_library_path_with_sysroot("/lib");
- this->add_to_library_path_with_sysroot("/usr/lib");
+ if (this->user_set_Y())
+ {
+ std::string s = this->Y();
+ if (s.compare(0, 2, "P,") == 0)
+ s.erase(0, 2);
+
+ size_t pos = 0;
+ size_t next_pos;
+ do
+ {
+ next_pos = s.find(':', pos);
+ size_t len = (next_pos == std::string::npos
+ ? next_pos
+ : next_pos - pos);
+ if (len != 0)
+ this->add_to_library_path_with_sysroot(s.substr(pos, len).c_str());
+ pos = next_pos + 1;
+ }
+ while (next_pos != std::string::npos);
+ }
+ else
+ {
+ // Even if they don't specify it, we add -L /lib and -L /usr/lib.
+ // FIXME: We should only do this when configured in native mode.
+ this->add_to_library_path_with_sysroot("/lib");
+ this->add_to_library_path_with_sysroot("/usr/lib");
+ }
+
+ if (this->shared() && !this->user_set_allow_shlib_undefined())
+ this->set_allow_shlib_undefined(true);
// Normalize library_path() by adding the sysroot to all directories
// in the path, as appropriate.
this->add_sysroot();
// Now that we've normalized the options, check for contradictory ones.
+ if (this->shared() && this->is_static())
+ gold_fatal(_("-shared and -static are incompatible"));
+
if (this->shared() && this->relocatable())
gold_fatal(_("-shared and -r are incompatible"));
&& (this->shared() || this->relocatable()))
gold_fatal(_("binary output format not compatible with -shared or -r"));
+ if (this->user_set_hash_bucket_empty_fraction()
+ && (this->hash_bucket_empty_fraction() < 0.0
+ || this->hash_bucket_empty_fraction() >= 1.0))
+ gold_fatal(_("--hash-bucket-empty-fraction value %g out of range "
+ "[0.0, 1.0)"),
+ this->hash_bucket_empty_fraction());
+
// FIXME: we can/should be doing a lot more sanity checking here.
}