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