1 /*
2 * Copyright (c) 2011, 2025, 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 #include "oops/refArrayOop.hpp"
31
32 /*
33 * This macro defines the structure of the JVMCI classes accessed from VM code. It is used to
34 * generate accessors similar to javaClasses.hpp, but with specializations for HotSpot and JNI based
35 * access.
36 *
37 * HotSpotJVMCI: This class contains accessors based on the VM internal
38 * interface to Java. It is used for JVMCI Java code executing on the HotSpot heap.
39 *
40 * JNIJVMCI: This class contains JNI based accessors and is used for JVMCI
41 * Java code executing in the JVMCI shared library.
42 */
43
44 #define JVMCI_CLASSES_DO(start_class, \
45 end_class, \
46 char_field, \
47 int_field, \
48 boolean_field, \
49 long_field, \
50 float_field, \
51 object_field, \
52 primarray_field, \
53 objectarray_field, \
54 static_object_field, \
55 static_objectarray_field, \
56 static_int_field, \
57 static_boolean_field, \
58 jvmci_method, \
59 jvmci_constructor) \
60 start_class(Architecture, jdk_vm_ci_code_Architecture) \
61 object_field(Architecture, wordKind, "Ljdk/vm/ci/meta/PlatformKind;") \
62 end_class \
63 start_class(HotSpotResolvedObjectTypeImpl, jdk_vm_ci_hotspot_HotSpotResolvedObjectTypeImpl) \
64 long_field(HotSpotResolvedObjectTypeImpl, klassPointer) \
65 end_class \
66 start_class(HotSpotResolvedPrimitiveType, jdk_vm_ci_hotspot_HotSpotResolvedPrimitiveType) \
67 object_field(HotSpotResolvedPrimitiveType, mirror, "Ljdk/vm/ci/hotspot/HotSpotObjectConstantImpl;") \
68 object_field(HotSpotResolvedPrimitiveType, kind, "Ljdk/vm/ci/meta/JavaKind;") \
69 static_objectarray_field(HotSpotResolvedPrimitiveType, primitives, "[Ljdk/vm/ci/hotspot/HotSpotResolvedPrimitiveType;") \
70 end_class \
71 start_class(HotSpotResolvedJavaFieldImpl, jdk_vm_ci_hotspot_HotSpotResolvedJavaFieldImpl) \
72 object_field(HotSpotResolvedJavaFieldImpl, type, "Ljdk/vm/ci/meta/JavaType;") \
73 object_field(HotSpotResolvedJavaFieldImpl, holder, "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;") \
74 int_field(HotSpotResolvedJavaFieldImpl, offset) \
75 end_class \
76 start_class(FieldInfo, jdk_vm_ci_hotspot_HotSpotResolvedObjectTypeImpl_FieldInfo) \
77 int_field(FieldInfo, nameIndex) \
78 int_field(FieldInfo, signatureIndex) \
79 int_field(FieldInfo, offset) \
80 int_field(FieldInfo, classfileFlags) \
81 int_field(FieldInfo, internalFlags) \
82 int_field(FieldInfo, initializerIndex) \
83 jvmci_constructor(FieldInfo, "(IIIIII)V") \
84 end_class \
85 start_class(HotSpotResolvedJavaMethodImpl, jdk_vm_ci_hotspot_HotSpotResolvedJavaMethodImpl) \
86 long_field(HotSpotResolvedJavaMethodImpl, methodHandle) \
87 end_class \
88 start_class(HotSpotMethodData, jdk_vm_ci_hotspot_HotSpotMethodData) \
89 long_field(HotSpotMethodData, methodDataPointer) \
90 end_class \
91 start_class(InstalledCode, jdk_vm_ci_code_InstalledCode) \
92 long_field(InstalledCode, address) \
93 long_field(InstalledCode, entryPoint) \
94 long_field(InstalledCode, version) \
95 object_field(InstalledCode, name, "Ljava/lang/String;") \
96 end_class \
97 start_class(HotSpotInstalledCode, jdk_vm_ci_hotspot_HotSpotInstalledCode) \
98 int_field(HotSpotInstalledCode, size) \
99 long_field(HotSpotInstalledCode, codeStart) \
100 int_field(HotSpotInstalledCode, codeSize) \
101 end_class \
102 start_class(HotSpotNmethod, jdk_vm_ci_hotspot_HotSpotNmethod) \
103 boolean_field(HotSpotNmethod, isDefault) \
104 boolean_field(HotSpotNmethod, profileDeopt) \
105 long_field(HotSpotNmethod, compileIdSnapshot) \
106 object_field(HotSpotNmethod, method, "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;") \
107 int_field(HotSpotNmethod, invalidationReason) \
108 jvmci_constructor(HotSpotNmethod, "(Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;Ljava/lang/String;ZZJ)V") \
109 end_class \
110 start_class(HotSpotCompiledCode, jdk_vm_ci_hotspot_HotSpotCompiledCode) \
111 primarray_field(HotSpotCompiledCode, targetCode, "[B") \
112 primarray_field(HotSpotCompiledCode, dataSection, "[B") \
113 end_class \
114 start_class(HotSpotCompiledNmethod, jdk_vm_ci_hotspot_HotSpotCompiledNmethod) \
115 object_field(HotSpotCompiledNmethod, installationFailureMessage, "Ljava/lang/String;") \
116 int_field(HotSpotCompiledNmethod, id) \
117 end_class \
118 start_class(VMField, jdk_vm_ci_hotspot_VMField) \
119 object_field(VMField, name, "Ljava/lang/String;") \
120 object_field(VMField, type, "Ljava/lang/String;") \
121 long_field(VMField, offset) \
122 long_field(VMField, address) \
123 object_field(VMField, value, "Ljava/lang/Object;") \
124 jvmci_constructor(VMField, "(Ljava/lang/String;Ljava/lang/String;JJLjava/lang/Object;)V") \
125 end_class \
126 start_class(VMFlag, jdk_vm_ci_hotspot_VMFlag) \
127 object_field(VMFlag, name, "Ljava/lang/String;") \
128 object_field(VMFlag, type, "Ljava/lang/String;") \
129 object_field(VMFlag, value, "Ljava/lang/Object;") \
130 jvmci_constructor(VMFlag, "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Object;)V") \
131 end_class \
132 start_class(VMIntrinsicMethod, jdk_vm_ci_hotspot_VMIntrinsicMethod) \
133 object_field(VMIntrinsicMethod, declaringClass, "Ljava/lang/String;") \
134 object_field(VMIntrinsicMethod, name, "Ljava/lang/String;") \
135 object_field(VMIntrinsicMethod, descriptor, "Ljava/lang/String;") \
136 int_field(VMIntrinsicMethod, id) \
137 boolean_field(VMIntrinsicMethod, isAvailable) \
138 boolean_field(VMIntrinsicMethod, c1Supported) \
139 boolean_field(VMIntrinsicMethod, c2Supported) \
140 jvmci_constructor(VMIntrinsicMethod, "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;IZZZ)V") \
141 end_class \
142 start_class(HotSpotCompilationRequestResult, jdk_vm_ci_hotspot_HotSpotCompilationRequestResult) \
143 object_field(HotSpotCompilationRequestResult, failureMessage, "Ljava/lang/String;") \
144 boolean_field(HotSpotCompilationRequestResult, retry) \
145 int_field(HotSpotCompilationRequestResult, inlinedBytecodes) \
146 end_class \
147 start_class(BytecodeFrame, jdk_vm_ci_code_BytecodeFrame) \
148 int_field(BytecodeFrame, numLocals) \
149 int_field(BytecodeFrame, numStack) \
150 int_field(BytecodeFrame, numLocks) \
151 static_int_field(BytecodeFrame, UNKNOWN_BCI) \
152 static_int_field(BytecodeFrame, UNWIND_BCI) \
153 static_int_field(BytecodeFrame, BEFORE_BCI) \
154 static_int_field(BytecodeFrame, AFTER_BCI) \
155 static_int_field(BytecodeFrame, AFTER_EXCEPTION_BCI) \
156 static_int_field(BytecodeFrame, INVALID_FRAMESTATE_BCI) \
157 end_class \
158 start_class(BytecodePosition, jdk_vm_ci_code_BytecodePosition) \
159 object_field(BytecodePosition, caller, "Ljdk/vm/ci/code/BytecodePosition;") \
160 object_field(BytecodePosition, method, "Ljdk/vm/ci/meta/ResolvedJavaMethod;") \
161 int_field(BytecodePosition, bci) \
162 end_class \
163 start_class(JavaConstant, jdk_vm_ci_meta_JavaConstant) \
164 static_object_field(JavaConstant, ILLEGAL, "Ljdk/vm/ci/meta/PrimitiveConstant;") \
165 static_object_field(JavaConstant, NULL_POINTER, "Ljdk/vm/ci/meta/JavaConstant;") \
166 jvmci_method(CallStaticObjectMethod, GetStaticMethodID, call_static, JVMCIObject, JavaConstant, forPrimitive, forPrimitive_signature) \
167 end_class \
168 start_class(ResolvedJavaMethod, jdk_vm_ci_meta_ResolvedJavaMethod) \
169 end_class \
170 start_class(PrimitiveConstant, jdk_vm_ci_meta_PrimitiveConstant) \
171 object_field(PrimitiveConstant, kind, "Ljdk/vm/ci/meta/JavaKind;") \
172 long_field(PrimitiveConstant, primitive) \
173 end_class \
174 start_class(HotSpotObjectConstantImpl, jdk_vm_ci_hotspot_HotSpotObjectConstantImpl) \
175 boolean_field(HotSpotObjectConstantImpl, compressed) \
176 end_class \
177 start_class(DirectHotSpotObjectConstantImpl, jdk_vm_ci_hotspot_DirectHotSpotObjectConstantImpl) \
178 object_field(DirectHotSpotObjectConstantImpl, object, "Ljava/lang/Object;") \
179 jvmci_constructor(DirectHotSpotObjectConstantImpl, "(Ljava/lang/Object;Z)V") \
180 end_class \
181 start_class(IndirectHotSpotObjectConstantImpl, jdk_vm_ci_hotspot_IndirectHotSpotObjectConstantImpl) \
182 long_field(IndirectHotSpotObjectConstantImpl, objectHandle) \
183 jvmci_constructor(IndirectHotSpotObjectConstantImpl, "(JZZ)V") \
184 end_class \
185 start_class(JavaKind, jdk_vm_ci_meta_JavaKind) \
186 char_field(JavaKind, typeChar) \
187 end_class \
188 start_class(ValueKind, jdk_vm_ci_meta_ValueKind) \
189 object_field(ValueKind, platformKind, "Ljdk/vm/ci/meta/PlatformKind;") \
190 end_class \
191 start_class(HotSpotStackFrameReference, jdk_vm_ci_hotspot_HotSpotStackFrameReference) \
192 object_field(HotSpotStackFrameReference, compilerToVM, "Ljdk/vm/ci/hotspot/CompilerToVM;") \
193 boolean_field(HotSpotStackFrameReference, objectsMaterialized) \
194 long_field(HotSpotStackFrameReference, stackPointer) \
195 int_field(HotSpotStackFrameReference, frameNumber) \
196 int_field(HotSpotStackFrameReference, bci) \
197 object_field(HotSpotStackFrameReference, method, "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethod;") \
198 objectarray_field(HotSpotStackFrameReference, locals, "[Ljava/lang/Object;") \
199 primarray_field(HotSpotStackFrameReference, localIsVirtual, "[Z") \
200 end_class \
201 start_class(HotSpotConstantPool, jdk_vm_ci_hotspot_HotSpotConstantPool) \
202 long_field(HotSpotConstantPool, constantPoolHandle) \
203 end_class \
204 start_class(HotSpotJVMCIRuntime, jdk_vm_ci_hotspot_HotSpotJVMCIRuntime) \
205 objectarray_field(HotSpotJVMCIRuntime, excludeFromJVMCICompilation, "[Ljava/lang/Module;") \
206 jvmci_method(CallNonvirtualObjectMethod, GetMethodID, call_special, JVMCIObject, HotSpotJVMCIRuntime, compileMethod, compileMethod_signature) \
207 jvmci_method(CallNonvirtualObjectMethod, GetMethodID, call_special, JVMCIObject, HotSpotJVMCIRuntime, isGCSupported, int_bool_signature) \
208 jvmci_method(CallNonvirtualObjectMethod, GetMethodID, call_special, JVMCIObject, HotSpotJVMCIRuntime, isIntrinsicSupported, int_bool_signature) \
209 jvmci_method(CallNonvirtualVoidMethod, GetMethodID, call_special, void, HotSpotJVMCIRuntime, bootstrapFinished, void_method_signature) \
210 jvmci_method(CallNonvirtualVoidMethod, GetMethodID, call_special, void, HotSpotJVMCIRuntime, shutdown, void_method_signature) \
211 jvmci_method(CallStaticObjectMethod, GetStaticMethodID, call_static, JVMCIObject, HotSpotJVMCIRuntime, runtime, runtime_signature) \
212 jvmci_method(CallObjectMethod, GetMethodID, call_virtual, JVMCIObject, HotSpotJVMCIRuntime, getCompiler, getCompiler_signature) \
213 jvmci_method(CallStaticObjectMethod, GetStaticMethodID, call_static, JVMCIObject, HotSpotJVMCIRuntime, exceptionToString, exceptionToString_signature) \
214 jvmci_method(CallStaticVoidMethod, GetStaticMethodID, call_static, void, HotSpotJVMCIRuntime, postTranslation, object_void_signature) \
215 end_class \
216 start_class(JVMCIError, jdk_vm_ci_common_JVMCIError) \
217 jvmci_constructor(JVMCIError, "(Ljava/lang/String;)V") \
218 end_class \
219 start_class(InspectedFrameVisitor, jdk_vm_ci_code_stack_InspectedFrameVisitor) \
220 end_class \
221 start_class(Services, jdk_vm_ci_services_Services) \
222 end_class \
223 start_class(JVMCI, jdk_vm_ci_runtime_JVMCI) \
224 jvmci_method(CallStaticObjectMethod, GetStaticMethodID, call_static, JVMCIObject, JVMCI, getRuntime, getRuntime_signature) \
225 jvmci_method(CallStaticObjectMethod, GetStaticMethodID, call_static, JVMCIObject, JVMCI, initializeRuntime, initializeRuntime_signature) \
226 end_class \
227 start_class(Object, java_lang_Object) \
228 end_class \
229 start_class(String, java_lang_String) \
230 end_class \
231 start_class(Class, java_lang_Class) \
232 jvmci_method(CallObjectMethod, GetMethodID, call_virtual, JVMCIObject, Class, getName, void_string_signature) \
233 end_class \
234 start_class(VMSupport, jdk_internal_vm_VMSupport) \
235 jvmci_method(CallStaticIntMethod, GetStaticMethodID, call_static, int, VMSupport, encodeThrowable, encodeThrowable_signature) \
236 jvmci_method(CallStaticVoidMethod, GetStaticMethodID, call_static, void, VMSupport, decodeAndThrowThrowable, decodeAndThrowThrowable_signature) \
237 end_class \
238 start_class(ArrayIndexOutOfBoundsException, java_lang_ArrayIndexOutOfBoundsException) \
239 jvmci_constructor(ArrayIndexOutOfBoundsException, "(Ljava/lang/String;)V") \
240 end_class \
241 start_class(IllegalStateException, java_lang_IllegalStateException) \
242 jvmci_constructor(IllegalStateException, "(Ljava/lang/String;)V") \
243 end_class \
244 start_class(NullPointerException, java_lang_NullPointerException) \
245 jvmci_constructor(NullPointerException, "(Ljava/lang/String;)V") \
246 end_class \
247 start_class(IllegalArgumentException, java_lang_IllegalArgumentException) \
248 jvmci_constructor(IllegalArgumentException, "(Ljava/lang/String;)V") \
249 end_class \
250 start_class(InternalError, java_lang_InternalError) \
251 jvmci_constructor(InternalError, "(Ljava/lang/String;)V") \
252 end_class \
253 start_class(OutOfMemoryError, java_lang_OutOfMemoryError) \
254 jvmci_constructor(OutOfMemoryError, "(Ljava/lang/String;)V") \
255 end_class \
256 start_class(NoClassDefFoundError, java_lang_NoClassDefFoundError) \
257 jvmci_constructor(NoClassDefFoundError, "(Ljava/lang/String;)V") \
258 end_class \
259 start_class(InvalidInstalledCodeException, jdk_vm_ci_code_InvalidInstalledCodeException) \
260 jvmci_constructor(InvalidInstalledCodeException, "(Ljava/lang/String;)V") \
261 end_class \
262 start_class(UnsatisfiedLinkError, java_lang_UnsatisfiedLinkError) \
263 jvmci_constructor(UnsatisfiedLinkError, "(Ljava/lang/String;)V") \
264 end_class \
265 start_class(UnsupportedOperationException, java_lang_UnsupportedOperationException) \
266 jvmci_constructor(UnsupportedOperationException, "(Ljava/lang/String;)V") \
267 end_class \
268 start_class(StackTraceElement, java_lang_StackTraceElement) \
269 object_field(StackTraceElement, declaringClass, "Ljava/lang/String;") \
270 object_field(StackTraceElement, methodName, "Ljava/lang/String;") \
271 object_field(StackTraceElement, fileName, "Ljava/lang/String;") \
272 int_field(StackTraceElement, lineNumber) \
273 jvmci_constructor(StackTraceElement, "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;I)V") \
274 end_class \
275 start_class(Throwable, java_lang_Throwable) \
276 object_field(Throwable, detailMessage, "Ljava/lang/String;") \
277 end_class \
278 /* end*/
279
280 class JVMCICompiler;
281 class JVMCIEnv;
282
283 #define START_CLASS(simpleClassName, fullClassName) \
284 class simpleClassName { \
285 friend class JVMCIEnv; \
286 static void initialize(JVMCI_TRAPS); \
287 static bool is_instance(JVMCIEnv* jvmciEnv, JVMCIObject object); \
288
289 #define END_CLASS };
290
291 #define EMPTY_CAST
292 #define CHAR_FIELD(simpleClassName, name) FIELD(simpleClassName, name, jchar)
293 #define INT_FIELD(simpleClassName, name) FIELD(simpleClassName, name, jint)
294 #define BOOLEAN_FIELD(simpleClassName, name) FIELD(simpleClassName, name, jboolean)
295 #define LONG_FIELD(simpleClassName, name) FIELD(simpleClassName, name, jlong)
296 #define FLOAT_FIELD(simpleClassName, name) FIELD(simpleClassName, name, jfloat)
297
298 #define OBJECT_FIELD(simpleClassName, name, signature) OOPISH_FIELD(simpleClassName, name, JVMCIObject, oop)
299 #define OBJECTARRAY_FIELD(simpleClassName, name, signature) OOPISH_FIELD(simpleClassName, name, JVMCIObjectArray, refArrayOop)
300 #define PRIMARRAY_FIELD(simpleClassName, name, signature) OOPISH_FIELD(simpleClassName, name, JVMCIPrimitiveArray, typeArrayOop)
301
302 #define STATIC_INT_FIELD(simpleClassName, name) STATIC_FIELD(simpleClassName, name, jint)
303 #define STATIC_BOOLEAN_FIELD(simpleClassName, name) STATIC_FIELD(simpleClassName, name, jboolean)
304 #define STATIC_OBJECT_FIELD(simpleClassName, name, signature) STATIC_OOPISH_FIELD(simpleClassName, name, JVMCIObject, oop)
305 #define STATIC_OBJECTARRAY_FIELD(simpleClassName, name, signature) STATIC_OOPISH_FIELD(simpleClassName, name, JVMCIObjectArray, refArrayOop)
306
307 #define HS_START_CLASS(simpleClassName, fullClassName) \
308 START_CLASS(simpleClassName, fullClassName) \
309 friend class HotSpotJVMCI; \
310 private: \
311 static void check(oop obj, const char* field_name, int offset); \
312 static InstanceKlass* _klass; \
313 public: \
314 static InstanceKlass* klass() { assert(_klass != nullptr, "uninit"); return _klass; } \
315 static Symbol* symbol() { return vmSymbols::fullClassName(); }
316
317 #define FIELD(simpleClassName, name, type) \
318 private: \
319 static int _##name##_offset; \
320 public: \
321 static type get_ ## name(JVMCIEnv* env, JVMCIObject obj) { return name(env, resolve(obj)); } \
322 static void set_ ## name(JVMCIEnv* env, JVMCIObject obj, type x) { set_ ## name(env, resolve(obj), x); } \
323 static type name(JVMCIEnv* env, oop obj); \
324 static void set_ ## name(JVMCIEnv* env, oop obj, type x);
325
326 #define OOPISH_FIELD(simpleClassName, name, type, hstype) \
327 private: \
328 static int _##name##_offset; \
329 public: \
330 static type get_ ## name(JVMCIEnv* env, JVMCIObject obj) { return (type) wrap(name(env, resolve(obj))); } \
331 static void set_ ## name(JVMCIEnv* env, JVMCIObject obj, type x) { set_ ## name(env, resolve(obj), (hstype) resolve(x)); } \
332 static hstype name(JVMCIEnv* env, oop obj); \
333 static void set_ ## name(JVMCIEnv* env, oop obj, hstype x);
334
335 #define STATIC_FIELD(simpleClassName, name, type) \
336 private: \
337 static int _##name##_offset; \
338 public: \
339 static type get_ ## name(JVMCIEnv* env); \
340 static void set_ ## name(JVMCIEnv* env, type x);
341
342 #define STATIC_OOPISH_FIELD(simpleClassName, name, type, hstype) \
343 private: \
344 static int _##name##_offset; \
345 public: \
346 static type get_ ## name(JVMCIEnv* env) { return (type) wrap(name(env)); } \
347 static void set_ ## name(JVMCIEnv* env, type x) { set_ ## name(env, (hstype) resolve(x)); } \
348 static hstype name(JVMCIEnv* env); \
349 static void set_ ## name(JVMCIEnv* env, hstype hstype);
350
351 #define METHOD(jniCallType, jniGetMethod, hsCallType, returnType, simpleClassName, methodName, signatureSymbolName)
352 #define CONSTRUCTOR(className, signature)
353
354 /**
355 * VM internal interface to Java classes, methods and objects. For example:
356 *
357 * class HotSpotJVMCI {
358 * ...
359 * class Architecture {
360 * static void initialize(JVMCIEnv* env);
361 * static bool is_instance(JVMCIEnv* env, JVMCIObject object);
362 * private:
363 * static void check(oop obj, const char *field_name, int offset);
364 * public:
365 * static InstanceKlass *klass() { ... }
366 * static Symbol *symbol() { return vmSymbols::jdk_vm_ci_code_Architecture(); }
367 * private:
368 * static int _wordKind_offset;
369 * public:
370 * static JVMCIObject get_wordKind(JVMCIEnv *env, JVMCIObject obj) { ... }
371 * static void set_wordKind(JVMCIEnv *env, JVMCIObject obj, JVMCIObject x) { ... }
372 * static oop wordKind(JVMCIEnv *env, oop obj);
373 * static void set_wordKind(JVMCIEnv *env, oop obj, oop x);
374 * }
375 * ...
376 * };
377 */
378 class HotSpotJVMCI {
379 friend class JVMCIEnv;
380
381 public:
382
383 static oop resolve(JVMCIObject obj);
384
385 static arrayOop resolve(JVMCIArray obj);
386 static objArrayOop resolve(JVMCIObjectArray obj);
387 static typeArrayOop resolve(JVMCIPrimitiveArray obj);
388
389 static JVMCIObject wrap(jobject obj) { return JVMCIObject(obj, true); }
390 static JVMCIObject wrap(oop obj);
391
392 static inline Method* asMethod(JVMCIEnv* env, oop jvmci_method) {
393 return *(Method**) HotSpotResolvedJavaMethodImpl::methodHandle(env, jvmci_method);
394 }
395 static inline ConstantPool* asConstantPool(JVMCIEnv* env, oop jvmci_constant_pool) {
396 return *(ConstantPool**) HotSpotConstantPool::constantPoolHandle(env, jvmci_constant_pool);
397 }
398
399 static void compute_offsets(TRAPS);
400 static void compute_offset(int &dest_offset, Klass* klass, const char* name, const char* signature, bool static_field, TRAPS);
401
402 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)
403 };
404
405 #undef HS_START_CLASS
406
407 #define JNI_START_CLASS(simpleClassName, fullClassName) \
408 START_CLASS(simpleClassName, fullClassName) \
409 friend class JNIJVMCI; \
410 private: \
411 static void check(JVMCIEnv* jvmciEnv, JVMCIObject obj, const char* field_name, jfieldID offset); \
412 static jclass _class; \
413 public: \
414 static jclass clazz() { assert(_class != nullptr, #fullClassName " uninitialized"); return _class; } \
415 static jclass fullClassName ##_class() { assert(_class != nullptr, "uninit"); return _class; }
416
417 #undef METHOD
418 #undef CONSTRUCTOR
419 #undef FIELD
420 #undef OOPISH_FIELD
421 #undef STATIC_FIELD
422 #undef STATIC_OOPISH_FIELD
423
424 #define FIELD(simpleClassName, name, type) \
425 private: \
426 static jfieldID _##name##_field_id; \
427 public: \
428 static type get_ ## name(JVMCIEnv* jvmciEnv, JVMCIObject obj); \
429 static void set_ ## name(JVMCIEnv* jvmciEnv, JVMCIObject obj, type x);
430
431 #define OOPISH_FIELD(simpleClassName, name, type, hstype) \
432 FIELD(simpleClassName, name, type)
433
434 #define STATIC_FIELD(simpleClassName, name, type) \
435 private: \
436 static jfieldID _##name##_field_id; \
437 public: \
438 static type get_ ## name(JVMCIEnv* jvmciEnv); \
439 static void set_ ## name(JVMCIEnv* jvmciEnv, type x);
440
441 #define STATIC_OOPISH_FIELD(simpleClassName, name, type, hstype) \
442 STATIC_FIELD(simpleClassName, name, type)
443
444 #define METHOD(jniCallType, jniGetMethod, hsCallType, returnType, className, methodName, signatureSymbolName) \
445 public: \
446 static jmethodID methodName##_method() { return _##methodName##_method; } \
447 private: \
448 static jmethodID _##methodName##_method;
449
450 #define CONSTRUCTOR(className, signature) \
451 public: \
452 static jmethodID constructor() { return _constructor; } \
453 private: \
454 static jmethodID _constructor;
455
456 /**
457 * JNI based interface to Java classes, methods and objects. For example:
458 *
459 * class JNIJVMCI {
460 * ...
461 * class Architecture {
462 * static void initialize(JVMCIEnv* env);
463 * static bool is_instance(JVMCIEnv* env, JVMCIObject object);
464 * private:
465 * static void check(oop obj, const char *field_name, int offset);
466 * static jclass _class;
467 * public:
468 * static jclass clazz() { return _class; }
469 * static jclass jdk_vm_ci_code_Architecture_class() { return _class; }
470 * private:
471 * static jfieldID _wordKind_field_id;
472 * public:
473 * static JVMCIObject get_wordKind(JVMCIEnv *env, JVMCIObject obj) { ... }
474 * static void set_wordKind(JVMCIEnv *env, JVMCIObject obj, JVMCIObject x) { ... }
475 * }
476 * ...
477 * };
478 */
479 class JNIJVMCI {
480 friend class JVMCIEnv;
481
482 static jclass _byte_array;
483 static jclass _box_classes[T_CONFLICT+1];
484 static jfieldID _box_fields[T_CONFLICT+1];
485 static jmethodID _box_constructors[T_CONFLICT+1];
486 static jmethodID _Class_getName_method;
487
488 static jmethodID _HotSpotResolvedJavaMethodImpl_fromMetaspace_method;
489 static jmethodID _HotSpotConstantPool_fromMetaspace_method;
490 static jmethodID _HotSpotResolvedObjectTypeImpl_fromMetaspace_method;
491 static jmethodID _HotSpotResolvedPrimitiveType_fromMetaspace_method;
492
493 public:
494 static jmethodID Class_getName_method() { return _Class_getName_method; }
495
496 static jclass byte_array() { assert(_byte_array != nullptr, "uninit"); return _byte_array; }
497
498 static jclass box_class(BasicType type) { assert(_box_classes[type]!= nullptr, "uninit"); return _box_classes[type]; }
499 static jfieldID box_field(BasicType type) { assert(_box_fields[type]!= nullptr, "uninit"); return _box_fields[type]; }
500 static jmethodID box_constructor(BasicType type) { assert(_box_constructors[type]!= nullptr, "uninit"); return _box_constructors[type]; }
501
502 static jmethodID HotSpotResolvedJavaMethodImpl_fromMetaspace_method() { assert(_HotSpotResolvedJavaMethodImpl_fromMetaspace_method != nullptr, "uninit"); return _HotSpotResolvedJavaMethodImpl_fromMetaspace_method; }
503 static jmethodID HotSpotConstantPool_fromMetaspace_method() { assert(_HotSpotConstantPool_fromMetaspace_method != nullptr, "uninit"); return _HotSpotConstantPool_fromMetaspace_method; }
504 static jmethodID HotSpotResolvedObjectTypeImpl_fromMetaspace_method() { assert(_HotSpotResolvedObjectTypeImpl_fromMetaspace_method != nullptr, "uninit"); return _HotSpotResolvedObjectTypeImpl_fromMetaspace_method; }
505 static jmethodID HotSpotResolvedPrimitiveType_fromMetaspace_method() { assert(_HotSpotResolvedPrimitiveType_fromMetaspace_method != nullptr, "uninit"); return _HotSpotResolvedPrimitiveType_fromMetaspace_method; }
506
507 static void initialize_ids(JNIEnv* env);
508 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);
509 static void register_natives(JNIEnv* env);
510
511 static jobject resolve_handle(JVMCIObject obj) { return obj.as_jobject(); }
512 static JVMCIObject wrap(jobject obj) { return JVMCIObject(obj, false); }
513
514 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)
515 };
516
517 #undef JNI_START_CLASS
518 #undef START_CLASS
519 #undef END_CLASS
520 #undef METHOD
521 #undef CONSTRUCTOR
522 #undef FIELD
523 #undef CHAR_FIELD
524 #undef INT_FIELD
525 #undef BOOLEAN_FIELD
526 #undef LONG_FIELD
527 #undef FLOAT_FIELD
528 #undef OBJECT_FIELD
529 #undef PRIMARRAY_FIELD
530 #undef OBJECTARRAY_FIELD
531 #undef FIELD
532 #undef OOPISH_FIELD
533 #undef STATIC_FIELD
534 #undef STATIC_OOPISH_FIELD
535 #undef STATIC_FIELD
536 #undef STATIC_OBJECT_FIELD
537 #undef STATIC_OBJECTARRAY_FIELD
538 #undef STATIC_INT_FIELD
539 #undef STATIC_BOOLEAN_FIELD
540 #undef STATIC_PRIMITIVE_FIELD
541 #undef EMPTY_CAST
542
543 #endif // SHARE_JVMCI_JVMCIJAVACLASSES_HPP