56 inline bool java_lang_invoke_MemberName::is_instance(oop obj) {
57 return obj != NULL && is_subclass(obj->klass());
58 }
59
60 inline bool java_lang_invoke_MethodType::is_instance(oop obj) {
61 return obj != NULL && obj->klass() == SystemDictionary::MethodType_klass();
62 }
63
64 inline bool java_lang_invoke_MethodHandle::is_instance(oop obj) {
65 return obj != NULL && is_subclass(obj->klass());
66 }
67
68 inline bool java_lang_Class::is_instance(oop obj) {
69 return obj != NULL && obj->klass() == SystemDictionary::Class_klass();
70 }
71
72 inline bool java_lang_invoke_DirectMethodHandle::is_instance(oop obj) {
73 return obj != NULL && is_subclass(obj->klass());
74 }
75
76 #endif // SHARE_VM_CLASSFILE_JAVACLASSES_INLINE_HPP
|
56 inline bool java_lang_invoke_MemberName::is_instance(oop obj) {
57 return obj != NULL && is_subclass(obj->klass());
58 }
59
60 inline bool java_lang_invoke_MethodType::is_instance(oop obj) {
61 return obj != NULL && obj->klass() == SystemDictionary::MethodType_klass();
62 }
63
64 inline bool java_lang_invoke_MethodHandle::is_instance(oop obj) {
65 return obj != NULL && is_subclass(obj->klass());
66 }
67
68 inline bool java_lang_Class::is_instance(oop obj) {
69 return obj != NULL && obj->klass() == SystemDictionary::Class_klass();
70 }
71
72 inline bool java_lang_invoke_DirectMethodHandle::is_instance(oop obj) {
73 return obj != NULL && is_subclass(obj->klass());
74 }
75
76 inline int BackTrace::merge_bci_and_version(int bci, int version) {
77 // only store u2 for version, checking for overflow.
78 if (version > USHRT_MAX || version < 0) version = USHRT_MAX;
79 assert((jushort)bci == bci, "bci should be short");
80 return build_int_from_shorts(version, bci);
81 }
82
83 inline int BackTrace::merge_mid_and_cpref(int mid, int cpref) {
84 // only store u2 for mid and cpref, checking for overflow.
85 assert((jushort)mid == mid, "mid should be short");
86 assert((jushort)cpref == cpref, "cpref should be short");
87 return build_int_from_shorts(cpref, mid);
88 }
89
90 inline int BackTrace::bci_at(unsigned int merged) {
91 return extract_high_short_from_int(merged);
92 }
93
94 inline int BackTrace::version_at(unsigned int merged) {
95 return extract_low_short_from_int(merged);
96 }
97
98 inline int BackTrace::mid_at(unsigned int merged) {
99 return extract_high_short_from_int(merged);
100 }
101
102 inline int BackTrace::cpref_at(unsigned int merged) {
103 return extract_low_short_from_int(merged);
104 }
105
106 inline int BackTrace::get_line_number(methodHandle method, int bci) {
107 int line_number = 0;
108 if (method->is_native()) {
109 // Negative value different from -1 below, enabling Java code in
110 // class java.lang.StackTraceElement to distinguish "native" from
111 // "no LineNumberTable". JDK tests for -2.
112 line_number = -2;
113 } else {
114 // Returns -1 if no LineNumberTable, and otherwise actual line number
115 line_number = method->line_number_from_bci(bci);
116 if (line_number == -1 && ShowHiddenFrames) {
117 line_number = bci + 1000000;
118 }
119 }
120 return line_number;
121 }
122
123 /*
124 * Returns the source file name of a given InstanceKlass and version
125 */
126 inline Symbol* BackTrace::get_source_file_name(InstanceKlass* holder, int version) {
127 // Find the specific ik version that contains this source_file_name_index
128 // via the previous versions list, but use the current version's
129 // constant pool to look it up. The previous version's index has been
130 // merged for the current constant pool.
131 InstanceKlass* ik = holder->get_klass_version(version);
132 if (ik != NULL) {
133 return ik->source_file_name();
134 }
135
136 // This version has been cleaned up.
137 return NULL;
138 }
139
140 #endif // SHARE_VM_CLASSFILE_JAVACLASSES_INLINE_HPP
|