677
678 void vm_exit_during_initialization(const char* error, const char* message) {
679 vm_notify_during_shutdown(error, message);
680
681 // Failure during initialization, we don't want to dump core
682 vm_abort(false);
683 }
684
685 void vm_shutdown_during_initialization(const char* error, const char* message) {
686 vm_notify_during_shutdown(error, message);
687 vm_shutdown();
688 }
689
690 JDK_Version JDK_Version::_current;
691 const char* JDK_Version::_runtime_name;
692 const char* JDK_Version::_runtime_version;
693 const char* JDK_Version::_runtime_vendor_version;
694 const char* JDK_Version::_runtime_vendor_vm_bug_url;
695
696 void JDK_Version::initialize() {
697 jdk_version_info info;
698 assert(!_current.is_valid(), "Don't initialize twice");
699
700 void *lib_handle = os::native_java_library();
701 jdk_version_info_fn_t func = CAST_TO_FN_PTR(jdk_version_info_fn_t,
702 os::dll_lookup(lib_handle, "JDK_GetVersionInfo0"));
703
704 assert(func != NULL, "Support for JDK 1.5 or older has been removed after JEP-223");
705
706 (*func)(&info, sizeof(info));
707
708 int major = JDK_VERSION_MAJOR(info.jdk_version);
709 int minor = JDK_VERSION_MINOR(info.jdk_version);
710 int security = JDK_VERSION_SECURITY(info.jdk_version);
711 int build = JDK_VERSION_BUILD(info.jdk_version);
712
713 _current = JDK_Version(major, minor, security, info.patch_version, build);
714 }
715
716 void JDK_Version_init() {
717 JDK_Version::initialize();
718 }
719
720 static int64_t encode_jdk_version(const JDK_Version& v) {
721 return
722 ((int64_t)v.major_version() << (BitsPerByte * 4)) |
723 ((int64_t)v.minor_version() << (BitsPerByte * 3)) |
724 ((int64_t)v.security_version() << (BitsPerByte * 2)) |
725 ((int64_t)v.patch_version() << (BitsPerByte * 1)) |
726 ((int64_t)v.build_number() << (BitsPerByte * 0));
727 }
728
729 int JDK_Version::compare(const JDK_Version& other) const {
730 assert(is_valid() && other.is_valid(), "Invalid version (uninitialized?)");
731 uint64_t e = encode_jdk_version(*this);
732 uint64_t o = encode_jdk_version(other);
733 return (e > o) ? 1 : ((e == o) ? 0 : -1);
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677
678 void vm_exit_during_initialization(const char* error, const char* message) {
679 vm_notify_during_shutdown(error, message);
680
681 // Failure during initialization, we don't want to dump core
682 vm_abort(false);
683 }
684
685 void vm_shutdown_during_initialization(const char* error, const char* message) {
686 vm_notify_during_shutdown(error, message);
687 vm_shutdown();
688 }
689
690 JDK_Version JDK_Version::_current;
691 const char* JDK_Version::_runtime_name;
692 const char* JDK_Version::_runtime_version;
693 const char* JDK_Version::_runtime_vendor_version;
694 const char* JDK_Version::_runtime_vendor_vm_bug_url;
695
696 void JDK_Version::initialize() {
697 assert(!_current.is_valid(), "Don't initialize twice");
698
699 int major = VM_Version::vm_major_version();
700 int minor = VM_Version::vm_minor_version();
701 int security = VM_Version::vm_security_version();
702 int build = VM_Version::vm_build_number();
703 int patch = VM_Version::vm_patch_version();
704 _current = JDK_Version(major, minor, security, patch, build);
705 }
706
707 void JDK_Version_init() {
708 JDK_Version::initialize();
709 }
710
711 static int64_t encode_jdk_version(const JDK_Version& v) {
712 return
713 ((int64_t)v.major_version() << (BitsPerByte * 4)) |
714 ((int64_t)v.minor_version() << (BitsPerByte * 3)) |
715 ((int64_t)v.security_version() << (BitsPerByte * 2)) |
716 ((int64_t)v.patch_version() << (BitsPerByte * 1)) |
717 ((int64_t)v.build_number() << (BitsPerByte * 0));
718 }
719
720 int JDK_Version::compare(const JDK_Version& other) const {
721 assert(is_valid() && other.is_valid(), "Invalid version (uninitialized?)");
722 uint64_t e = encode_jdk_version(*this);
723 uint64_t o = encode_jdk_version(other);
724 return (e > o) ? 1 : ((e == o) ? 0 : -1);
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