1 /*
2 * Copyright (c) 2011, 2024, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 #ifndef SHARE_JVMCI_JVMCIJAVACLASSES_HPP
25 #define SHARE_JVMCI_JVMCIJAVACLASSES_HPP
26
27 #include "classfile/vmSymbols.hpp"
28 #include "jvmci/jvmciExceptions.hpp"
29 #include "jvmci/jvmciObject.hpp"
30
31 /*
32 * This macro defines the structure of the JVMCI classes accessed from VM code. It is used to
33 * generate accessors similar to javaClasses.hpp, but with specializations for HotSpot and JNI based
34 * access.
35 *
36 * HotSpotJVMCI: This class contains accessors based on the VM internal
37 * interface to Java. It is used for JVMCI Java code executing on the HotSpot heap.
38 *
39 * JNIJVMCI: This class contains JNI based accessors and is used for JVMCI
40 * Java code executing in the JVMCI shared library.
41 */
42
43 #define JVMCI_CLASSES_DO(start_class, \
44 end_class, \
45 char_field, \
46 int_field, \
47 boolean_field, \
48 long_field, \
49 float_field, \
50 object_field, \
51 primarray_field, \
52 objectarray_field, \
53 static_object_field, \
54 static_objectarray_field, \
55 static_int_field, \
56 static_boolean_field, \
57 jvmci_method, \
58 jvmci_constructor) \
59 start_class(Architecture, jdk_vm_ci_code_Architecture) \
60 object_field(Architecture, wordKind, "Ljdk/vm/ci/meta/PlatformKind;") \
61 end_class \
62 start_class(HotSpotResolvedObjectTypeImpl, jdk_vm_ci_hotspot_HotSpotResolvedObjectTypeImpl) \
63 long_field(HotSpotResolvedObjectTypeImpl, klassPointer) \
64 end_class \
65 start_class(HotSpotResolvedPrimitiveType, jdk_vm_ci_hotspot_HotSpotResolvedPrimitiveType) \
66 object_field(HotSpotResolvedPrimitiveType, mirror, "Ljdk/vm/ci/hotspot/HotSpotObjectConstantImpl;") \
67 object_field(HotSpotResolvedPrimitiveType, kind, "Ljdk/vm/ci/meta/JavaKind;") \
68 static_objectarray_field(HotSpotResolvedPrimitiveType, primitives, "[Ljdk/vm/ci/hotspot/HotSpotResolvedPrimitiveType;") \
69 end_class \
70 start_class(HotSpotResolvedJavaFieldImpl, jdk_vm_ci_hotspot_HotSpotResolvedJavaFieldImpl) \
71 object_field(HotSpotResolvedJavaFieldImpl, type, "Ljdk/vm/ci/meta/JavaType;") \
72 object_field(HotSpotResolvedJavaFieldImpl, holder, "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;") \
73 int_field(HotSpotResolvedJavaFieldImpl, offset) \
74 end_class \
75 start_class(FieldInfo, jdk_vm_ci_hotspot_HotSpotResolvedObjectTypeImpl_FieldInfo) \
76 int_field(FieldInfo, nameIndex) \
77 int_field(FieldInfo, signatureIndex) \
78 int_field(FieldInfo, offset) \
79 int_field(FieldInfo, classfileFlags) \
80 int_field(FieldInfo, internalFlags) \
81 int_field(FieldInfo, initializerIndex) \
82 jvmci_constructor(FieldInfo, "(IIIIII)V") \
83 end_class \
84 start_class(HotSpotResolvedJavaMethodImpl, jdk_vm_ci_hotspot_HotSpotResolvedJavaMethodImpl) \
85 long_field(HotSpotResolvedJavaMethodImpl, methodHandle) \
86 end_class \
87 start_class(HotSpotMethodData, jdk_vm_ci_hotspot_HotSpotMethodData) \
88 long_field(HotSpotMethodData, methodDataPointer) \
89 end_class \
90 start_class(InstalledCode, jdk_vm_ci_code_InstalledCode) \
91 long_field(InstalledCode, address) \
92 long_field(InstalledCode, entryPoint) \
93 long_field(InstalledCode, version) \
94 object_field(InstalledCode, name, "Ljava/lang/String;") \
95 end_class \
96 start_class(HotSpotInstalledCode, jdk_vm_ci_hotspot_HotSpotInstalledCode) \
97 int_field(HotSpotInstalledCode, size) \
98 long_field(HotSpotInstalledCode, codeStart) \
99 int_field(HotSpotInstalledCode, codeSize) \
100 end_class \
101 start_class(HotSpotNmethod, jdk_vm_ci_hotspot_HotSpotNmethod) \
102 boolean_field(HotSpotNmethod, isDefault) \
103 long_field(HotSpotNmethod, compileIdSnapshot) \
104 object_field(HotSpotNmethod, method, "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;") \
105 jvmci_constructor(HotSpotNmethod, "(Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;Ljava/lang/String;ZJ)V") \
106 end_class \
107 start_class(HotSpotCompiledCode, jdk_vm_ci_hotspot_HotSpotCompiledCode) \
108 primarray_field(HotSpotCompiledCode, targetCode, "[B") \
109 primarray_field(HotSpotCompiledCode, dataSection, "[B") \
110 end_class \
111 start_class(HotSpotCompiledNmethod, jdk_vm_ci_hotspot_HotSpotCompiledNmethod) \
112 object_field(HotSpotCompiledNmethod, installationFailureMessage, "Ljava/lang/String;") \
113 int_field(HotSpotCompiledNmethod, id) \
114 end_class \
115 start_class(VMField, jdk_vm_ci_hotspot_VMField) \
116 object_field(VMField, name, "Ljava/lang/String;") \
117 object_field(VMField, type, "Ljava/lang/String;") \
118 long_field(VMField, offset) \
119 long_field(VMField, address) \
120 object_field(VMField, value, "Ljava/lang/Object;") \
121 jvmci_constructor(VMField, "(Ljava/lang/String;Ljava/lang/String;JJLjava/lang/Object;)V") \
122 end_class \
123 start_class(VMFlag, jdk_vm_ci_hotspot_VMFlag) \
124 object_field(VMFlag, name, "Ljava/lang/String;") \
125 object_field(VMFlag, type, "Ljava/lang/String;") \
126 object_field(VMFlag, value, "Ljava/lang/Object;") \
127 jvmci_constructor(VMFlag, "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Object;)V") \
128 end_class \
129 start_class(VMIntrinsicMethod, jdk_vm_ci_hotspot_VMIntrinsicMethod) \
130 object_field(VMIntrinsicMethod, declaringClass, "Ljava/lang/String;") \
131 object_field(VMIntrinsicMethod, name, "Ljava/lang/String;") \
132 object_field(VMIntrinsicMethod, descriptor, "Ljava/lang/String;") \
133 int_field(VMIntrinsicMethod, id) \
134 boolean_field(VMIntrinsicMethod, isAvailable) \
135 boolean_field(VMIntrinsicMethod, c1Supported) \
136 boolean_field(VMIntrinsicMethod, c2Supported) \
137 jvmci_constructor(VMIntrinsicMethod, "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;IZZZ)V") \
138 end_class \
139 start_class(HotSpotCompilationRequestResult, jdk_vm_ci_hotspot_HotSpotCompilationRequestResult) \
140 object_field(HotSpotCompilationRequestResult, failureMessage, "Ljava/lang/String;") \
141 boolean_field(HotSpotCompilationRequestResult, retry) \
142 int_field(HotSpotCompilationRequestResult, inlinedBytecodes) \
143 end_class \
144 start_class(BytecodeFrame, jdk_vm_ci_code_BytecodeFrame) \
145 int_field(BytecodeFrame, numLocals) \
146 int_field(BytecodeFrame, numStack) \
147 int_field(BytecodeFrame, numLocks) \
148 static_int_field(BytecodeFrame, UNKNOWN_BCI) \
149 static_int_field(BytecodeFrame, UNWIND_BCI) \
150 static_int_field(BytecodeFrame, BEFORE_BCI) \
151 static_int_field(BytecodeFrame, AFTER_BCI) \
152 static_int_field(BytecodeFrame, AFTER_EXCEPTION_BCI) \
153 static_int_field(BytecodeFrame, INVALID_FRAMESTATE_BCI) \
154 end_class \
155 start_class(BytecodePosition, jdk_vm_ci_code_BytecodePosition) \
156 object_field(BytecodePosition, caller, "Ljdk/vm/ci/code/BytecodePosition;") \
157 object_field(BytecodePosition, method, "Ljdk/vm/ci/meta/ResolvedJavaMethod;") \
158 int_field(BytecodePosition, bci) \
159 end_class \
160 start_class(JavaConstant, jdk_vm_ci_meta_JavaConstant) \
161 static_object_field(JavaConstant, ILLEGAL, "Ljdk/vm/ci/meta/PrimitiveConstant;") \
162 static_object_field(JavaConstant, NULL_POINTER, "Ljdk/vm/ci/meta/JavaConstant;") \
163 jvmci_method(CallStaticObjectMethod, GetStaticMethodID, call_static, JVMCIObject, JavaConstant, forPrimitive, forPrimitive_signature) \
164 end_class \
165 start_class(ResolvedJavaMethod, jdk_vm_ci_meta_ResolvedJavaMethod) \
166 end_class \
167 start_class(PrimitiveConstant, jdk_vm_ci_meta_PrimitiveConstant) \
168 object_field(PrimitiveConstant, kind, "Ljdk/vm/ci/meta/JavaKind;") \
169 long_field(PrimitiveConstant, primitive) \
170 end_class \
171 start_class(HotSpotObjectConstantImpl, jdk_vm_ci_hotspot_HotSpotObjectConstantImpl) \
172 boolean_field(HotSpotObjectConstantImpl, compressed) \
173 end_class \
174 start_class(DirectHotSpotObjectConstantImpl, jdk_vm_ci_hotspot_DirectHotSpotObjectConstantImpl) \
175 object_field(DirectHotSpotObjectConstantImpl, object, "Ljava/lang/Object;") \
176 jvmci_constructor(DirectHotSpotObjectConstantImpl, "(Ljava/lang/Object;Z)V") \
177 end_class \
178 start_class(IndirectHotSpotObjectConstantImpl, jdk_vm_ci_hotspot_IndirectHotSpotObjectConstantImpl) \
179 long_field(IndirectHotSpotObjectConstantImpl, objectHandle) \
180 jvmci_constructor(IndirectHotSpotObjectConstantImpl, "(JZZ)V") \
181 end_class \
182 start_class(JavaKind, jdk_vm_ci_meta_JavaKind) \
183 char_field(JavaKind, typeChar) \
184 end_class \
185 start_class(ValueKind, jdk_vm_ci_meta_ValueKind) \
186 object_field(ValueKind, platformKind, "Ljdk/vm/ci/meta/PlatformKind;") \
187 end_class \
188 start_class(HotSpotStackFrameReference, jdk_vm_ci_hotspot_HotSpotStackFrameReference) \
189 object_field(HotSpotStackFrameReference, compilerToVM, "Ljdk/vm/ci/hotspot/CompilerToVM;") \
190 boolean_field(HotSpotStackFrameReference, objectsMaterialized) \
191 long_field(HotSpotStackFrameReference, stackPointer) \
192 int_field(HotSpotStackFrameReference, frameNumber) \
193 int_field(HotSpotStackFrameReference, bci) \
194 object_field(HotSpotStackFrameReference, method, "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethod;") \
195 objectarray_field(HotSpotStackFrameReference, locals, "[Ljava/lang/Object;") \
196 primarray_field(HotSpotStackFrameReference, localIsVirtual, "[Z") \
197 end_class \
198 start_class(HotSpotConstantPool, jdk_vm_ci_hotspot_HotSpotConstantPool) \
199 long_field(HotSpotConstantPool, constantPoolHandle) \
200 end_class \
201 start_class(HotSpotJVMCIRuntime, jdk_vm_ci_hotspot_HotSpotJVMCIRuntime) \
202 objectarray_field(HotSpotJVMCIRuntime, excludeFromJVMCICompilation, "[Ljava/lang/Module;") \
203 jvmci_method(CallNonvirtualObjectMethod, GetMethodID, call_special, JVMCIObject, HotSpotJVMCIRuntime, compileMethod, compileMethod_signature) \
204 jvmci_method(CallNonvirtualObjectMethod, GetMethodID, call_special, JVMCIObject, HotSpotJVMCIRuntime, isGCSupported, int_bool_signature) \
205 jvmci_method(CallNonvirtualObjectMethod, GetMethodID, call_special, JVMCIObject, HotSpotJVMCIRuntime, isIntrinsicSupported, int_bool_signature) \
206 jvmci_method(CallNonvirtualVoidMethod, GetMethodID, call_special, void, HotSpotJVMCIRuntime, bootstrapFinished, void_method_signature) \
207 jvmci_method(CallNonvirtualVoidMethod, GetMethodID, call_special, void, HotSpotJVMCIRuntime, shutdown, void_method_signature) \
208 jvmci_method(CallStaticObjectMethod, GetStaticMethodID, call_static, JVMCIObject, HotSpotJVMCIRuntime, runtime, runtime_signature) \
209 jvmci_method(CallObjectMethod, GetMethodID, call_virtual, JVMCIObject, HotSpotJVMCIRuntime, getCompiler, getCompiler_signature) \
210 jvmci_method(CallStaticObjectMethod, GetStaticMethodID, call_static, JVMCIObject, HotSpotJVMCIRuntime, exceptionToString, exceptionToString_signature) \
211 jvmci_method(CallStaticVoidMethod, GetStaticMethodID, call_static, void, HotSpotJVMCIRuntime, postTranslation, object_void_signature) \
212 end_class \
213 start_class(JVMCIError, jdk_vm_ci_common_JVMCIError) \
214 jvmci_constructor(JVMCIError, "(Ljava/lang/String;)V") \
215 end_class \
216 start_class(InspectedFrameVisitor, jdk_vm_ci_code_stack_InspectedFrameVisitor) \
217 end_class \
218 start_class(Services, jdk_vm_ci_services_Services) \
219 end_class \
220 start_class(JVMCI, jdk_vm_ci_runtime_JVMCI) \
221 jvmci_method(CallStaticObjectMethod, GetStaticMethodID, call_static, JVMCIObject, JVMCI, getRuntime, getRuntime_signature) \
222 jvmci_method(CallStaticObjectMethod, GetStaticMethodID, call_static, JVMCIObject, JVMCI, initializeRuntime, initializeRuntime_signature) \
223 end_class \
224 start_class(Object, java_lang_Object) \
225 end_class \
226 start_class(String, java_lang_String) \
227 end_class \
228 start_class(Class, java_lang_Class) \
229 jvmci_method(CallObjectMethod, GetMethodID, call_virtual, JVMCIObject, Class, getName, void_string_signature) \
230 end_class \
231 start_class(VMSupport, jdk_internal_vm_VMSupport) \
232 jvmci_method(CallStaticIntMethod, GetStaticMethodID, call_static, int, VMSupport, encodeThrowable, encodeThrowable_signature) \
233 jvmci_method(CallStaticVoidMethod, GetStaticMethodID, call_static, void, VMSupport, decodeAndThrowThrowable, decodeAndThrowThrowable_signature) \
234 end_class \
235 start_class(ArrayIndexOutOfBoundsException, java_lang_ArrayIndexOutOfBoundsException) \
236 jvmci_constructor(ArrayIndexOutOfBoundsException, "(Ljava/lang/String;)V") \
237 end_class \
238 start_class(IllegalStateException, java_lang_IllegalStateException) \
239 jvmci_constructor(IllegalStateException, "(Ljava/lang/String;)V") \
240 end_class \
241 start_class(NullPointerException, java_lang_NullPointerException) \
242 jvmci_constructor(NullPointerException, "(Ljava/lang/String;)V") \
243 end_class \
244 start_class(IllegalArgumentException, java_lang_IllegalArgumentException) \
245 jvmci_constructor(IllegalArgumentException, "(Ljava/lang/String;)V") \
246 end_class \
247 start_class(InternalError, java_lang_InternalError) \
248 jvmci_constructor(InternalError, "(Ljava/lang/String;)V") \
249 end_class \
250 start_class(OutOfMemoryError, java_lang_OutOfMemoryError) \
251 jvmci_constructor(OutOfMemoryError, "(Ljava/lang/String;)V") \
252 end_class \
253 start_class(NoClassDefFoundError, java_lang_NoClassDefFoundError) \
254 jvmci_constructor(NoClassDefFoundError, "(Ljava/lang/String;)V") \
255 end_class \
256 start_class(InvalidInstalledCodeException, jdk_vm_ci_code_InvalidInstalledCodeException) \
257 jvmci_constructor(InvalidInstalledCodeException, "(Ljava/lang/String;)V") \
258 end_class \
259 start_class(UnsatisfiedLinkError, java_lang_UnsatisfiedLinkError) \
260 jvmci_constructor(UnsatisfiedLinkError, "(Ljava/lang/String;)V") \
261 end_class \
262 start_class(UnsupportedOperationException, java_lang_UnsupportedOperationException) \
263 jvmci_constructor(UnsupportedOperationException, "(Ljava/lang/String;)V") \
264 end_class \
265 start_class(StackTraceElement, java_lang_StackTraceElement) \
266 object_field(StackTraceElement, declaringClass, "Ljava/lang/String;") \
267 object_field(StackTraceElement, methodName, "Ljava/lang/String;") \
268 object_field(StackTraceElement, fileName, "Ljava/lang/String;") \
269 int_field(StackTraceElement, lineNumber) \
270 jvmci_constructor(StackTraceElement, "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;I)V") \
271 end_class \
272 start_class(Throwable, java_lang_Throwable) \
273 object_field(Throwable, detailMessage, "Ljava/lang/String;") \
274 end_class \
275 /* end*/
276
277 class JVMCICompiler;
278 class JVMCIEnv;
279
280 #define START_CLASS(simpleClassName, fullClassName) \
281 class simpleClassName { \
282 friend class JVMCIEnv; \
283 static void initialize(JVMCI_TRAPS); \
284 static bool is_instance(JVMCIEnv* jvmciEnv, JVMCIObject object); \
285
286 #define END_CLASS };
287
288 #define EMPTY_CAST
289 #define CHAR_FIELD(simpleClassName, name) FIELD(simpleClassName, name, jchar)
290 #define INT_FIELD(simpleClassName, name) FIELD(simpleClassName, name, jint)
291 #define BOOLEAN_FIELD(simpleClassName, name) FIELD(simpleClassName, name, jboolean)
292 #define LONG_FIELD(simpleClassName, name) FIELD(simpleClassName, name, jlong)
293 #define FLOAT_FIELD(simpleClassName, name) FIELD(simpleClassName, name, jfloat)
294
295 #define OBJECT_FIELD(simpleClassName, name, signature) OOPISH_FIELD(simpleClassName, name, JVMCIObject, oop)
296 #define OBJECTARRAY_FIELD(simpleClassName, name, signature) OOPISH_FIELD(simpleClassName, name, JVMCIObjectArray, objArrayOop)
297 #define PRIMARRAY_FIELD(simpleClassName, name, signature) OOPISH_FIELD(simpleClassName, name, JVMCIPrimitiveArray, typeArrayOop)
298
299 #define STATIC_INT_FIELD(simpleClassName, name) STATIC_FIELD(simpleClassName, name, jint)
300 #define STATIC_BOOLEAN_FIELD(simpleClassName, name) STATIC_FIELD(simpleClassName, name, jboolean)
301 #define STATIC_OBJECT_FIELD(simpleClassName, name, signature) STATIC_OOPISH_FIELD(simpleClassName, name, JVMCIObject, oop)
302 #define STATIC_OBJECTARRAY_FIELD(simpleClassName, name, signature) STATIC_OOPISH_FIELD(simpleClassName, name, JVMCIObjectArray, objArrayOop)
303
304 #define HS_START_CLASS(simpleClassName, fullClassName) \
305 START_CLASS(simpleClassName, fullClassName) \
306 friend class HotSpotJVMCI; \
307 private: \
308 static void check(oop obj, const char* field_name, int offset); \
309 static InstanceKlass* _klass; \
310 public: \
311 static InstanceKlass* klass() { assert(_klass != nullptr, "uninit"); return _klass; } \
312 static Symbol* symbol() { return vmSymbols::fullClassName(); }
313
314 #define FIELD(simpleClassName, name, type) \
315 private: \
316 static int _##name##_offset; \
317 public: \
318 static type get_ ## name(JVMCIEnv* env, JVMCIObject obj) { return name(env, resolve(obj)); } \
319 static void set_ ## name(JVMCIEnv* env, JVMCIObject obj, type x) { set_ ## name(env, resolve(obj), x); } \
320 static type name(JVMCIEnv* env, oop obj); \
321 static void set_ ## name(JVMCIEnv* env, oop obj, type x);
322
323 #define OOPISH_FIELD(simpleClassName, name, type, hstype) \
324 private: \
325 static int _##name##_offset; \
326 public: \
327 static type get_ ## name(JVMCIEnv* env, JVMCIObject obj) { return (type) wrap(name(env, resolve(obj))); } \
328 static void set_ ## name(JVMCIEnv* env, JVMCIObject obj, type x) { set_ ## name(env, resolve(obj), (hstype) resolve(x)); } \
329 static hstype name(JVMCIEnv* env, oop obj); \
330 static void set_ ## name(JVMCIEnv* env, oop obj, hstype x);
331
332 #define STATIC_FIELD(simpleClassName, name, type) \
333 private: \
334 static int _##name##_offset; \
335 public: \
336 static type get_ ## name(JVMCIEnv* env); \
337 static void set_ ## name(JVMCIEnv* env, type x);
338
339 #define STATIC_OOPISH_FIELD(simpleClassName, name, type, hstype) \
340 private: \
341 static int _##name##_offset; \
342 public: \
343 static type get_ ## name(JVMCIEnv* env) { return (type) wrap(name(env)); } \
344 static void set_ ## name(JVMCIEnv* env, type x) { set_ ## name(env, (hstype) resolve(x)); } \
345 static hstype name(JVMCIEnv* env); \
346 static void set_ ## name(JVMCIEnv* env, hstype hstype);
347
348 #define METHOD(jniCallType, jniGetMethod, hsCallType, returnType, simpleClassName, methodName, signatureSymbolName)
349 #define CONSTRUCTOR(className, signature)
350
351 /**
352 * VM internal interface to Java classes, methods and objects. For example:
353 *
354 * class HotSpotJVMCI {
355 * ...
356 * class Architecture {
357 * static void initialize(JVMCIEnv* env);
358 * static bool is_instance(JVMCIEnv* env, JVMCIObject object);
359 * private:
360 * static void check(oop obj, const char *field_name, int offset);
361 * public:
362 * static InstanceKlass *klass() { ... }
363 * static Symbol *symbol() { return vmSymbols::jdk_vm_ci_code_Architecture(); }
364 * private:
365 * static int _wordKind_offset;
366 * public:
367 * static JVMCIObject get_wordKind(JVMCIEnv *env, JVMCIObject obj) { ... }
368 * static void set_wordKind(JVMCIEnv *env, JVMCIObject obj, JVMCIObject x) { ... }
369 * static oop wordKind(JVMCIEnv *env, oop obj);
370 * static void set_wordKind(JVMCIEnv *env, oop obj, oop x);
371 * }
372 * ...
373 * };
374 */
375 class HotSpotJVMCI {
376 friend class JVMCIEnv;
377
378 public:
379
380 static oop resolve(JVMCIObject obj);
381
382 static arrayOop resolve(JVMCIArray obj);
383 static objArrayOop resolve(JVMCIObjectArray obj);
384 static typeArrayOop resolve(JVMCIPrimitiveArray obj);
385
386 static JVMCIObject wrap(jobject obj) { return JVMCIObject(obj, true); }
387 static JVMCIObject wrap(oop obj);
388
389 static inline Method* asMethod(JVMCIEnv* env, oop jvmci_method) {
390 return *(Method**) HotSpotResolvedJavaMethodImpl::methodHandle(env, jvmci_method);
391 }
392 static inline ConstantPool* asConstantPool(JVMCIEnv* env, oop jvmci_constant_pool) {
393 return *(ConstantPool**) HotSpotConstantPool::constantPoolHandle(env, jvmci_constant_pool);
394 }
395
396 static void compute_offsets(TRAPS);
397 static void compute_offset(int &dest_offset, Klass* klass, const char* name, const char* signature, bool static_field, TRAPS);
398
399 JVMCI_CLASSES_DO(HS_START_CLASS, END_CLASS, CHAR_FIELD, INT_FIELD, BOOLEAN_FIELD, LONG_FIELD, FLOAT_FIELD, OBJECT_FIELD, PRIMARRAY_FIELD, OBJECTARRAY_FIELD, STATIC_OBJECT_FIELD, STATIC_OBJECTARRAY_FIELD, STATIC_INT_FIELD, STATIC_BOOLEAN_FIELD, METHOD, CONSTRUCTOR)
400 };
401
402 #undef HS_START_CLASS
403
404 #define JNI_START_CLASS(simpleClassName, fullClassName) \
405 START_CLASS(simpleClassName, fullClassName) \
406 friend class JNIJVMCI; \
407 private: \
408 static void check(JVMCIEnv* jvmciEnv, JVMCIObject obj, const char* field_name, jfieldID offset); \
409 static jclass _class; \
410 public: \
411 static jclass clazz() { assert(_class != nullptr, #fullClassName " uninitialized"); return _class; } \
412 static jclass fullClassName ##_class() { assert(_class != nullptr, "uninit"); return _class; }
413
414 #undef METHOD
415 #undef CONSTRUCTOR
416 #undef FIELD
417 #undef OOPISH_FIELD
418 #undef STATIC_FIELD
419 #undef STATIC_OOPISH_FIELD
420
421 #define FIELD(simpleClassName, name, type) \
422 private: \
423 static jfieldID _##name##_field_id; \
424 public: \
425 static type get_ ## name(JVMCIEnv* jvmciEnv, JVMCIObject obj); \
426 static void set_ ## name(JVMCIEnv* jvmciEnv, JVMCIObject obj, type x);
427
428 #define OOPISH_FIELD(simpleClassName, name, type, hstype) \
429 FIELD(simpleClassName, name, type)
430
431 #define STATIC_FIELD(simpleClassName, name, type) \
432 private: \
433 static jfieldID _##name##_field_id; \
434 public: \
435 static type get_ ## name(JVMCIEnv* jvmciEnv); \
436 static void set_ ## name(JVMCIEnv* jvmciEnv, type x);
437
438 #define STATIC_OOPISH_FIELD(simpleClassName, name, type, hstype) \
439 STATIC_FIELD(simpleClassName, name, type)
440
441 #define METHOD(jniCallType, jniGetMethod, hsCallType, returnType, className, methodName, signatureSymbolName) \
442 public: \
443 static jmethodID methodName##_method() { return _##methodName##_method; } \
444 private: \
445 static jmethodID _##methodName##_method;
446
447 #define CONSTRUCTOR(className, signature) \
448 public: \
449 static jmethodID constructor() { return _constructor; } \
450 private: \
451 static jmethodID _constructor;
452
453 /**
454 * JNI based interface to Java classes, methods and objects. For example:
455 *
456 * class JNIJVMCI {
457 * ...
458 * class Architecture {
459 * static void initialize(JVMCIEnv* env);
460 * static bool is_instance(JVMCIEnv* env, JVMCIObject object);
461 * private:
462 * static void check(oop obj, const char *field_name, int offset);
463 * static jclass _class;
464 * public:
465 * static jclass clazz() { return _class; }
466 * static jclass jdk_vm_ci_code_Architecture_class() { return _class; }
467 * private:
468 * static jfieldID _wordKind_field_id;
469 * public:
470 * static JVMCIObject get_wordKind(JVMCIEnv *env, JVMCIObject obj) { ... }
471 * static void set_wordKind(JVMCIEnv *env, JVMCIObject obj, JVMCIObject x) { ... }
472 * }
473 * ...
474 * };
475 */
476 class JNIJVMCI {
477 friend class JVMCIEnv;
478
479 static jclass _byte_array;
480 static jclass _box_classes[T_CONFLICT+1];
481 static jfieldID _box_fields[T_CONFLICT+1];
482 static jmethodID _box_constructors[T_CONFLICT+1];
483 static jmethodID _Class_getName_method;
484
485 static jmethodID _HotSpotResolvedJavaMethodImpl_fromMetaspace_method;
486 static jmethodID _HotSpotConstantPool_fromMetaspace_method;
487 static jmethodID _HotSpotResolvedObjectTypeImpl_fromMetaspace_method;
488 static jmethodID _HotSpotResolvedPrimitiveType_fromMetaspace_method;
489
490 public:
491 static jmethodID Class_getName_method() { return _Class_getName_method; }
492
493 static jclass byte_array() { assert(_byte_array != nullptr, "uninit"); return _byte_array; }
494
495 static jclass box_class(BasicType type) { assert(_box_classes[type]!= nullptr, "uninit"); return _box_classes[type]; }
496 static jfieldID box_field(BasicType type) { assert(_box_fields[type]!= nullptr, "uninit"); return _box_fields[type]; }
497 static jmethodID box_constructor(BasicType type) { assert(_box_constructors[type]!= nullptr, "uninit"); return _box_constructors[type]; }
498
499 static jmethodID HotSpotResolvedJavaMethodImpl_fromMetaspace_method() { assert(_HotSpotResolvedJavaMethodImpl_fromMetaspace_method != nullptr, "uninit"); return _HotSpotResolvedJavaMethodImpl_fromMetaspace_method; }
500 static jmethodID HotSpotConstantPool_fromMetaspace_method() { assert(_HotSpotConstantPool_fromMetaspace_method != nullptr, "uninit"); return _HotSpotConstantPool_fromMetaspace_method; }
501 static jmethodID HotSpotResolvedObjectTypeImpl_fromMetaspace_method() { assert(_HotSpotResolvedObjectTypeImpl_fromMetaspace_method != nullptr, "uninit"); return _HotSpotResolvedObjectTypeImpl_fromMetaspace_method; }
502 static jmethodID HotSpotResolvedPrimitiveType_fromMetaspace_method() { assert(_HotSpotResolvedPrimitiveType_fromMetaspace_method != nullptr, "uninit"); return _HotSpotResolvedPrimitiveType_fromMetaspace_method; }
503
504 static void initialize_ids(JNIEnv* env);
505 static void initialize_field_id(JNIEnv* env, jfieldID &dest_offset, jclass klass, const char* klass_name, const char* name, const char* signature, bool static_field);
506 static void register_natives(JNIEnv* env);
507
508 static jobject resolve_handle(JVMCIObject obj) { return obj.as_jobject(); }
509 static JVMCIObject wrap(jobject obj) { return JVMCIObject(obj, false); }
510
511 JVMCI_CLASSES_DO(JNI_START_CLASS, END_CLASS, CHAR_FIELD, INT_FIELD, BOOLEAN_FIELD, LONG_FIELD, FLOAT_FIELD, OBJECT_FIELD, PRIMARRAY_FIELD, OBJECTARRAY_FIELD, STATIC_OBJECT_FIELD, STATIC_OBJECTARRAY_FIELD, STATIC_INT_FIELD, STATIC_BOOLEAN_FIELD, METHOD, CONSTRUCTOR)
512 };
513
514 #undef JNI_START_CLASS
515 #undef START_CLASS
516 #undef END_CLASS
517 #undef METHOD
518 #undef CONSTRUCTOR
519 #undef FIELD
520 #undef CHAR_FIELD
521 #undef INT_FIELD
522 #undef BOOLEAN_FIELD
523 #undef LONG_FIELD
524 #undef FLOAT_FIELD
525 #undef OBJECT_FIELD
526 #undef PRIMARRAY_FIELD
527 #undef OBJECTARRAY_FIELD
528 #undef FIELD
529 #undef OOPISH_FIELD
530 #undef STATIC_FIELD
531 #undef STATIC_OOPISH_FIELD
532 #undef STATIC_FIELD
533 #undef STATIC_OBJECT_FIELD
534 #undef STATIC_OBJECTARRAY_FIELD
535 #undef STATIC_INT_FIELD
536 #undef STATIC_BOOLEAN_FIELD
537 #undef STATIC_PRIMITIVE_FIELD
538 #undef EMPTY_CAST
539
540 #endif // SHARE_JVMCI_JVMCIJAVACLASSES_HPP