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