761 struct dirent *entry;
762 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(directory), mtArguments);
763 while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL) {
764 const char* name = entry->d_name;
765 const char* ext = name + strlen(name) - 4;
766 bool isJarOrZip = ext > name &&
767 (os::file_name_strcmp(ext, ".jar") == 0 ||
768 os::file_name_strcmp(ext, ".zip") == 0);
769 if (isJarOrZip) {
770 char* jarpath = NEW_C_HEAP_ARRAY(char, directory_len + 2 + strlen(name), mtArguments);
771 sprintf(jarpath, "%s%s%s", directory, dir_sep, name);
772 path = add_to_path(path, jarpath, false);
773 FREE_C_HEAP_ARRAY(char, jarpath);
774 }
775 }
776 FREE_C_HEAP_ARRAY(char, dbuf);
777 os::closedir(dir);
778 return path;
779 }
780
781 // Parses a memory size specification string.
782 static bool atomull(const char *s, julong* result) {
783 julong n = 0;
784 int args_read = 0;
785 bool is_hex = false;
786 // Skip leading 0[xX] for hexadecimal
787 if (*s =='0' && (*(s+1) == 'x' || *(s+1) == 'X')) {
788 s += 2;
789 is_hex = true;
790 args_read = sscanf(s, JULONG_FORMAT_X, &n);
791 } else {
792 args_read = sscanf(s, JULONG_FORMAT, &n);
793 }
794 if (args_read != 1) {
795 return false;
796 }
797 while (*s != '\0' && (isdigit(*s) || (is_hex && isxdigit(*s)))) {
798 s++;
799 }
800 // 4705540: illegal if more characters are found after the first non-digit
801 if (strlen(s) > 1) {
802 return false;
868 return false;
869 }
870
871 if (CommandLineFlags::doubleAtPut(name, &v, origin) == Flag::SUCCESS) {
872 return true;
873 }
874 return false;
875 }
876
877 static bool set_numeric_flag(const char* name, char* value, Flag::Flags origin) {
878 julong v;
879 int int_v;
880 intx intx_v;
881 bool is_neg = false;
882 Flag* result = Flag::find_flag(name, strlen(name));
883
884 if (result == NULL) {
885 return false;
886 }
887
888 // Check the sign first since atomull() parses only unsigned values.
889 if (*value == '-') {
890 if (!result->is_intx() && !result->is_int()) {
891 return false;
892 }
893 value++;
894 is_neg = true;
895 }
896 if (!atomull(value, &v)) {
897 return false;
898 }
899 if (result->is_int()) {
900 int_v = (int) v;
901 if (is_neg) {
902 int_v = -int_v;
903 }
904 return CommandLineFlags::intAtPut(result, &int_v, origin) == Flag::SUCCESS;
905 } else if (result->is_uint()) {
906 uint uint_v = (uint) v;
907 return CommandLineFlags::uintAtPut(result, &uint_v, origin) == Flag::SUCCESS;
908 } else if (result->is_intx()) {
909 intx_v = (intx) v;
910 if (is_neg) {
911 intx_v = -intx_v;
912 }
913 return CommandLineFlags::intxAtPut(result, &intx_v, origin) == Flag::SUCCESS;
914 } else if (result->is_uintx()) {
915 uintx uintx_v = (uintx) v;
916 return CommandLineFlags::uintxAtPut(result, &uintx_v, origin) == Flag::SUCCESS;
2676 } else {
2677 jio_fprintf(defaultStream::error_stream(),
2678 "Unrecognized %s%soption: %s\n", option_type, spacer,
2679 option->optionString);
2680 return true;
2681 }
2682 }
2683
2684 static const char* user_assertion_options[] = {
2685 "-da", "-ea", "-disableassertions", "-enableassertions", 0
2686 };
2687
2688 static const char* system_assertion_options[] = {
2689 "-dsa", "-esa", "-disablesystemassertions", "-enablesystemassertions", 0
2690 };
2691
2692 bool Arguments::parse_uintx(const char* value,
2693 uintx* uintx_arg,
2694 uintx min_size) {
2695
2696 // Check the sign first since atomull() parses only unsigned values.
2697 bool value_is_positive = !(*value == '-');
2698
2699 if (value_is_positive) {
2700 julong n;
2701 bool good_return = atomull(value, &n);
2702 if (good_return) {
2703 bool above_minimum = n >= min_size;
2704 bool value_is_too_large = n > max_uintx;
2705
2706 if (above_minimum && !value_is_too_large) {
2707 *uintx_arg = n;
2708 return true;
2709 }
2710 }
2711 }
2712 return false;
2713 }
2714
2715 Arguments::ArgsRange Arguments::parse_memory_size(const char* s,
2716 julong* long_arg,
2717 julong min_size) {
2718 if (!atomull(s, long_arg)) return arg_unreadable;
2719 return check_memory_size(*long_arg, min_size);
2720 }
2721
2722 // Parse JavaVMInitArgs structure
2723
2724 jint Arguments::parse_vm_init_args(const JavaVMInitArgs *java_tool_options_args,
2725 const JavaVMInitArgs *java_options_args,
2726 const JavaVMInitArgs *cmd_line_args) {
2727 // For components of the system classpath.
2728 ArgumentBootClassPath bcp(Arguments::get_sysclasspath());
2729 bool bcp_assembly_required = false;
2730
2731 // Save default settings for some mode flags
2732 Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods;
2733 Arguments::_UseOnStackReplacement = UseOnStackReplacement;
2734 Arguments::_ClipInlining = ClipInlining;
2735 Arguments::_BackgroundCompilation = BackgroundCompilation;
2736 if (TieredCompilation) {
2737 Arguments::_Tier3InvokeNotifyFreqLog = Tier3InvokeNotifyFreqLog;
2738 Arguments::_Tier4InvocationThreshold = Tier4InvocationThreshold;
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761 struct dirent *entry;
762 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(directory), mtArguments);
763 while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL) {
764 const char* name = entry->d_name;
765 const char* ext = name + strlen(name) - 4;
766 bool isJarOrZip = ext > name &&
767 (os::file_name_strcmp(ext, ".jar") == 0 ||
768 os::file_name_strcmp(ext, ".zip") == 0);
769 if (isJarOrZip) {
770 char* jarpath = NEW_C_HEAP_ARRAY(char, directory_len + 2 + strlen(name), mtArguments);
771 sprintf(jarpath, "%s%s%s", directory, dir_sep, name);
772 path = add_to_path(path, jarpath, false);
773 FREE_C_HEAP_ARRAY(char, jarpath);
774 }
775 }
776 FREE_C_HEAP_ARRAY(char, dbuf);
777 os::closedir(dir);
778 return path;
779 }
780
781 // Parses a size specification string.
782 bool Arguments::atojulong(const char *s, julong* result) {
783 julong n = 0;
784 int args_read = 0;
785 bool is_hex = false;
786 // Skip leading 0[xX] for hexadecimal
787 if (*s =='0' && (*(s+1) == 'x' || *(s+1) == 'X')) {
788 s += 2;
789 is_hex = true;
790 args_read = sscanf(s, JULONG_FORMAT_X, &n);
791 } else {
792 args_read = sscanf(s, JULONG_FORMAT, &n);
793 }
794 if (args_read != 1) {
795 return false;
796 }
797 while (*s != '\0' && (isdigit(*s) || (is_hex && isxdigit(*s)))) {
798 s++;
799 }
800 // 4705540: illegal if more characters are found after the first non-digit
801 if (strlen(s) > 1) {
802 return false;
868 return false;
869 }
870
871 if (CommandLineFlags::doubleAtPut(name, &v, origin) == Flag::SUCCESS) {
872 return true;
873 }
874 return false;
875 }
876
877 static bool set_numeric_flag(const char* name, char* value, Flag::Flags origin) {
878 julong v;
879 int int_v;
880 intx intx_v;
881 bool is_neg = false;
882 Flag* result = Flag::find_flag(name, strlen(name));
883
884 if (result == NULL) {
885 return false;
886 }
887
888 // Check the sign first since atojulong() parses only unsigned values.
889 if (*value == '-') {
890 if (!result->is_intx() && !result->is_int()) {
891 return false;
892 }
893 value++;
894 is_neg = true;
895 }
896 if (!Arguments::atojulong(value, &v)) {
897 return false;
898 }
899 if (result->is_int()) {
900 int_v = (int) v;
901 if (is_neg) {
902 int_v = -int_v;
903 }
904 return CommandLineFlags::intAtPut(result, &int_v, origin) == Flag::SUCCESS;
905 } else if (result->is_uint()) {
906 uint uint_v = (uint) v;
907 return CommandLineFlags::uintAtPut(result, &uint_v, origin) == Flag::SUCCESS;
908 } else if (result->is_intx()) {
909 intx_v = (intx) v;
910 if (is_neg) {
911 intx_v = -intx_v;
912 }
913 return CommandLineFlags::intxAtPut(result, &intx_v, origin) == Flag::SUCCESS;
914 } else if (result->is_uintx()) {
915 uintx uintx_v = (uintx) v;
916 return CommandLineFlags::uintxAtPut(result, &uintx_v, origin) == Flag::SUCCESS;
2676 } else {
2677 jio_fprintf(defaultStream::error_stream(),
2678 "Unrecognized %s%soption: %s\n", option_type, spacer,
2679 option->optionString);
2680 return true;
2681 }
2682 }
2683
2684 static const char* user_assertion_options[] = {
2685 "-da", "-ea", "-disableassertions", "-enableassertions", 0
2686 };
2687
2688 static const char* system_assertion_options[] = {
2689 "-dsa", "-esa", "-disablesystemassertions", "-enablesystemassertions", 0
2690 };
2691
2692 bool Arguments::parse_uintx(const char* value,
2693 uintx* uintx_arg,
2694 uintx min_size) {
2695
2696 // Check the sign first since atojulong() parses only unsigned values.
2697 bool value_is_positive = !(*value == '-');
2698
2699 if (value_is_positive) {
2700 julong n;
2701 bool good_return = atojulong(value, &n);
2702 if (good_return) {
2703 bool above_minimum = n >= min_size;
2704 bool value_is_too_large = n > max_uintx;
2705
2706 if (above_minimum && !value_is_too_large) {
2707 *uintx_arg = n;
2708 return true;
2709 }
2710 }
2711 }
2712 return false;
2713 }
2714
2715 Arguments::ArgsRange Arguments::parse_memory_size(const char* s,
2716 julong* long_arg,
2717 julong min_size) {
2718 if (!atojulong(s, long_arg)) return arg_unreadable;
2719 return check_memory_size(*long_arg, min_size);
2720 }
2721
2722 // Parse JavaVMInitArgs structure
2723
2724 jint Arguments::parse_vm_init_args(const JavaVMInitArgs *java_tool_options_args,
2725 const JavaVMInitArgs *java_options_args,
2726 const JavaVMInitArgs *cmd_line_args) {
2727 // For components of the system classpath.
2728 ArgumentBootClassPath bcp(Arguments::get_sysclasspath());
2729 bool bcp_assembly_required = false;
2730
2731 // Save default settings for some mode flags
2732 Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods;
2733 Arguments::_UseOnStackReplacement = UseOnStackReplacement;
2734 Arguments::_ClipInlining = ClipInlining;
2735 Arguments::_BackgroundCompilation = BackgroundCompilation;
2736 if (TieredCompilation) {
2737 Arguments::_Tier3InvokeNotifyFreqLog = Tier3InvokeNotifyFreqLog;
2738 Arguments::_Tier4InvocationThreshold = Tier4InvocationThreshold;
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