3729 // Save the class file name for easier error message printing.
3730 _class_name = (name != NULL) ? name : vmSymbols::unknown_class_name();
3731
3732 cfs->guarantee_more(8, CHECK_(nullHandle)); // magic, major, minor
3733 // Magic value
3734 u4 magic = cfs->get_u4_fast();
3735 guarantee_property(magic == JAVA_CLASSFILE_MAGIC,
3736 "Incompatible magic value %u in class file %s",
3737 magic, CHECK_(nullHandle));
3738
3739 // Version numbers
3740 u2 minor_version = cfs->get_u2_fast();
3741 u2 major_version = cfs->get_u2_fast();
3742
3743 // Check version numbers - we check this even with verifier off
3744 if (!is_supported_version(major_version, minor_version)) {
3745 if (name == NULL) {
3746 Exceptions::fthrow(
3747 THREAD_AND_LOCATION,
3748 vmSymbols::java_lang_UnsupportedClassVersionError(),
3749 "Unsupported major.minor version %u.%u",
3750 major_version,
3751 minor_version);
3752 } else {
3753 ResourceMark rm(THREAD);
3754 Exceptions::fthrow(
3755 THREAD_AND_LOCATION,
3756 vmSymbols::java_lang_UnsupportedClassVersionError(),
3757 "%s : Unsupported major.minor version %u.%u",
3758 name->as_C_string(),
3759 major_version,
3760 minor_version);
3761 }
3762 return nullHandle;
3763 }
3764
3765 _major_version = major_version;
3766 _minor_version = minor_version;
3767
3768
3769 // Check if verification needs to be relaxed for this class file
3770 // Do not restrict it to jdk1.0 or jdk1.1 to maintain backward compatibility (4982376)
3771 _relax_verify = Verifier::relax_verify_for(class_loader());
3772
3773 // Constant pool
3774 constantPoolHandle cp = parse_constant_pool(CHECK_(nullHandle));
3775
3776 int cp_size = cp->length();
3777
3778 cfs->guarantee_more(8, CHECK_(nullHandle)); // flags, this_class, super_class, infs_len
3779
3780 // Access flags
|
3729 // Save the class file name for easier error message printing.
3730 _class_name = (name != NULL) ? name : vmSymbols::unknown_class_name();
3731
3732 cfs->guarantee_more(8, CHECK_(nullHandle)); // magic, major, minor
3733 // Magic value
3734 u4 magic = cfs->get_u4_fast();
3735 guarantee_property(magic == JAVA_CLASSFILE_MAGIC,
3736 "Incompatible magic value %u in class file %s",
3737 magic, CHECK_(nullHandle));
3738
3739 // Version numbers
3740 u2 minor_version = cfs->get_u2_fast();
3741 u2 major_version = cfs->get_u2_fast();
3742
3743 // Check version numbers - we check this even with verifier off
3744 if (!is_supported_version(major_version, minor_version)) {
3745 if (name == NULL) {
3746 Exceptions::fthrow(
3747 THREAD_AND_LOCATION,
3748 vmSymbols::java_lang_UnsupportedClassVersionError(),
3749 "Unsupported class file version %u.%u, this Java version only recognizes class file versions up to %u.%u",
3750 major_version,
3751 minor_version,
3752 JAVA_MAX_SUPPORTED_VERSION,
3753 JAVA_MAX_SUPPORTED_MINOR_VERSION);
3754 } else {
3755 ResourceMark rm(THREAD);
3756 Exceptions::fthrow(
3757 THREAD_AND_LOCATION,
3758 vmSymbols::java_lang_UnsupportedClassVersionError(),
3759 "%s has been compiled by a more recent Java version (class file version %u.%u), this Java version only recognizes class file versions up to %u.%u",
3760 name->as_C_string(),
3761 major_version,
3762 minor_version,
3763 JAVA_MAX_SUPPORTED_VERSION,
3764 JAVA_MAX_SUPPORTED_MINOR_VERSION);
3765 }
3766 return nullHandle;
3767 }
3768
3769 _major_version = major_version;
3770 _minor_version = minor_version;
3771
3772
3773 // Check if verification needs to be relaxed for this class file
3774 // Do not restrict it to jdk1.0 or jdk1.1 to maintain backward compatibility (4982376)
3775 _relax_verify = Verifier::relax_verify_for(class_loader());
3776
3777 // Constant pool
3778 constantPoolHandle cp = parse_constant_pool(CHECK_(nullHandle));
3779
3780 int cp_size = cp->length();
3781
3782 cfs->guarantee_more(8, CHECK_(nullHandle)); // flags, this_class, super_class, infs_len
3783
3784 // Access flags
|