1 /*
2 * Copyright (c) 1999, 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
25 #ifndef SHARE_JVMCI_JVMCIENV_HPP
26 #define SHARE_JVMCI_JVMCIENV_HPP
27
28 #include "classfile/javaClasses.hpp"
29 #include "jvmci/jvmciJavaClasses.hpp"
30 #include "oops/klass.hpp"
31 #include "runtime/javaThread.hpp"
32 #include "runtime/jniHandles.hpp"
33
34 class CompileTask;
35 class JVMCIObject;
36 class JVMCIObjectArray;
37 class JVMCIPrimitiveArray;
38 class JVMCICompiler;
39 class JVMCIRuntime;
40
41 #define JVMCI_EXCEPTION_CONTEXT \
42 JavaThread* thread = JavaThread::current(); \
43 JavaThread* THREAD = thread; // For exception macros.
44
45 // Helper to log more context on a JNI exception
46 #define JVMCI_EXCEPTION_CHECK(env, ...) \
47 do { \
48 if (env->ExceptionCheck()) { \
49 if (env != JavaThread::current()->jni_environment()) { \
50 char* sl_path; \
51 if (::JVMCI::get_shared_library(sl_path, false) != nullptr) { \
52 tty->print_cr("In JVMCI shared library (%s):", sl_path); \
53 } \
54 } \
55 tty->print_cr(__VA_ARGS__); \
56 return; \
57 } \
58 } while(0)
59
60 // Helper class to ensure that references to Klass* are kept alive for G1
61 class JVMCIKlassHandle : public StackObj {
62 private:
63 Klass* _klass;
64 Handle _holder;
65 Thread* _thread;
66
67 Klass* klass() const { return _klass; }
68 Klass* non_null_klass() const { assert(_klass != nullptr, "resolving null _klass"); return _klass; }
69
70 public:
71 /* Constructors */
72 JVMCIKlassHandle (Thread* thread) : _klass(nullptr), _thread(thread) {}
73 JVMCIKlassHandle (Thread* thread, Klass* klass);
74
75 JVMCIKlassHandle (const JVMCIKlassHandle &h): _klass(h._klass), _holder(h._holder), _thread(h._thread) {}
76 JVMCIKlassHandle& operator=(const JVMCIKlassHandle &s);
77 JVMCIKlassHandle& operator=(Klass* klass);
78
79 /* Operators for ease of use */
80 Klass* operator () () const { return klass(); }
81 Klass* operator -> () const { return non_null_klass(); }
82
83 bool operator == (Klass* o) const { return klass() == o; }
84 bool operator == (const JVMCIKlassHandle& h) const { return klass() == h.klass(); }
85
86 /* Null checks */
87 bool is_null() const { return _klass == nullptr; }
88 bool not_null() const { return _klass != nullptr; }
89 };
90
91 // A helper class to main a strong link to an nmethod that might not otherwise be referenced. Only
92 // one nmethod can be kept alive in this manner.
93 class JVMCINMethodHandle : public StackObj {
94 JavaThread* _thread;
95
96 public:
97 JVMCINMethodHandle(JavaThread* thread): _thread(thread) {}
98
99 void set_nmethod(nmethod* nm);
100
101 ~JVMCINMethodHandle() {
102 _thread->clear_live_nmethod();
103 }
104 };
105
106 // A class that maintains the state needed for compilations requested
107 // by the CompileBroker. It is created in the broker and passed through
108 // into the code installation step.
109 class JVMCICompileState : public ResourceObj {
110 friend class JVMCIVMStructs;
111 private:
112 CompileTask* _task;
113 JVMCICompiler* _compiler;
114
115 // Cache JVMTI state. Defined as bytes so that reading them from Java
116 // via Unsafe is well defined (the C++ type for bool is implementation
117 // defined and may not be the same as a Java boolean).
118 uint64_t _jvmti_redefinition_count;
119 jbyte _jvmti_can_hotswap_or_post_breakpoint;
120 jbyte _jvmti_can_access_local_variables;
121 jbyte _jvmti_can_post_on_exceptions;
122 jbyte _jvmti_can_pop_frame;
123 bool _target_method_is_old;
124
125 // Compilation result values.
126 bool _retryable;
127 const char* _failure_reason;
128
129 // Specifies if _failure_reason is on the C heap. If so, it is allocated
130 // with the mtJVMCI NMT flag.
131 bool _failure_reason_on_C_heap;
132
133 // A value indicating compilation activity during the compilation.
134 // If successive calls to this method return a different value, then
135 // some degree of JVMCI compilation occurred between the calls.
136 jint _compilation_ticks;
137
138 public:
139 JVMCICompileState(CompileTask* task, JVMCICompiler* compiler);
140
141 CompileTask* task() { return _task; }
142
143 bool jvmti_state_changed() const;
144 uint64_t jvmti_redefinition_count() const { return _jvmti_redefinition_count; }
145 bool jvmti_can_hotswap_or_post_breakpoint() const { return _jvmti_can_hotswap_or_post_breakpoint != 0; }
146 bool jvmti_can_access_local_variables() const { return _jvmti_can_access_local_variables != 0; }
147 bool jvmti_can_post_on_exceptions() const { return _jvmti_can_post_on_exceptions != 0; }
148 bool jvmti_can_pop_frame() const { return _jvmti_can_pop_frame != 0; }
149 bool target_method_is_old() const { return _target_method_is_old; }
150
151 const char* failure_reason() { return _failure_reason; }
152 bool failure_reason_on_C_heap() { return _failure_reason_on_C_heap; }
153 bool retryable() { return _retryable; }
154
155 void set_failure(bool retryable, const char* reason, bool reason_on_C_heap = false);
156
157 // Called when creating or attaching to a libjvmci isolate failed
158 // due to an out of memory condition.
159 void notify_libjvmci_oome();
160
161 jint compilation_ticks() const { return _compilation_ticks; }
162 void inc_compilation_ticks();
163 };
164
165 // This class is a top level wrapper around interactions between HotSpot
166 // and the JVMCI Java code. It supports both a HotSpot heap based
167 // runtime with HotSpot oop based accessors as well as a shared library
168 // based runtime that is accessed through JNI. It abstracts away all
169 // interactions with JVMCI objects so that a single version of the
170 // HotSpot C++ code can can work with either runtime.
171 class JVMCIEnv : public ResourceObj {
172 friend class JNIAccessMark;
173
174 // Initializes the _env, _mode and _runtime fields.
175 void init_env_mode_runtime(JavaThread* thread, JNIEnv* parent_env);
176
177 void init(JavaThread* thread, bool is_hotspot, const char* file, int line);
178
179 JNIEnv* _env; // JNI env for calling into shared library
180 bool _pop_frame_on_close; // Must pop frame on close?
181 bool _detach_on_close; // Must detach on close?
182 JVMCIRuntime* _runtime; // Access to a HotSpotJVMCIRuntime
183 bool _is_hotspot; // Which heap is the HotSpotJVMCIRuntime in
184 bool _throw_to_caller; // Propagate an exception raised in this env to the caller?
185 const char* _file; // The file and ...
186 int _line; // ... line where this JNIEnv was created
187 int _init_error; // JNI code returned when creating or attaching to a libjvmci isolate.
188 // If not JNI_OK, the JVMCIEnv is invalid and should not be used apart from
189 // calling init_error().
190 const char* _init_error_msg; // Message for _init_error if available. C heap allocated.
191
192 // Translates an exception on the HotSpot heap (i.e., hotspot_env) to an exception on
193 // the shared library heap (i.e., jni_env). The translation includes the stack and cause(s) of `throwable`.
194 // The translated exception is pending in jni_env upon returning.
195 static void translate_to_jni_exception(JavaThread* THREAD, const Handle& throwable, JVMCIEnv* hotspot_env, JVMCIEnv* jni_env);
196
197 // Translates an exception on the shared library heap (i.e., jni_env) to an exception on
198 // the HotSpot heap (i.e., hotspot_env). The translation includes the stack and cause(s) of `throwable`.
199 // The translated exception is pending in hotspot_env upon returning.
200 static void translate_from_jni_exception(JavaThread* THREAD, jthrowable throwable, JVMCIEnv* hotspot_env, JVMCIEnv* jni_env);
201
202 public:
203 // Opens a JVMCIEnv scope for a Java to VM call (e.g., via CompilerToVM).
204 // The `parent_env` argument must not be null.
205 // An exception occurring within the scope is left pending when the
206 // scope closes so that it will be propagated back to Java.
207 // The JVMCIEnv destructor translates the exception object for the
208 // Java runtime if necessary.
209 JVMCIEnv(JavaThread* thread, JNIEnv* parent_env, const char* file, int line);
210
211 // Opens a JVMCIEnv scope for a compilation scheduled by the CompileBroker.
212 // An exception occurring within the scope must not be propagated back to
213 // the CompileBroker.
214 JVMCIEnv(JavaThread* thread, JVMCICompileState* compile_state, const char* file, int line);
215
216 // Opens a JNIEnv scope for a call from within the VM. An exception occurring
217 // within the scope must not be propagated back to the caller.
218 JVMCIEnv(JavaThread* env, const char* file, int line);
219
220 // Opens a JNIEnv scope for the HotSpot runtime if `is_hotspot` is true
221 // otherwise for the shared library runtime. An exception occurring
222 // within the scope must not be propagated back to the caller.
223 JVMCIEnv(JavaThread* thread, bool is_hotspot, const char* file, int line) {
224 init(thread, is_hotspot, file, line);
225 }
226
227 ~JVMCIEnv();
228
229 // Gets the JNI result code returned when creating or attaching to a libjvmci isolate.
230 // If not JNI_OK, the JVMCIEnv is invalid and the caller must abort the operation
231 // this JVMCIEnv context was created for.
232 int init_error() {
233 return _init_error;
234 }
235
236 // Gets a message describing a non-zero init_error().
237 // Valid as long as this JVMCIEnv is valid.
238 const char* init_error_msg() {
239 return _init_error_msg;
240 }
241
242 // Checks the value of init_error() and throws an exception in `JVMCI_TRAPS`
243 // (which must not be this) if it is not JNI_OK.
244 void check_init(JVMCI_TRAPS);
245
246 // Checks the value of init_error() and throws an exception in `TRAPS`
247 // if it is not JNI_OK.
248 void check_init(TRAPS);
249
250 JVMCIRuntime* runtime() {
251 guarantee(_init_error == 0, "invalid JVMCIEnv: %d", _init_error);
252 return _runtime;
253 }
254
255 jboolean has_pending_exception();
256 void clear_pending_exception();
257
258 // If this env has a pending exception, it is translated to be a pending
259 // exception in `peer_env` and is cleared from this env. Returns true
260 // if a pending exception was transferred, false otherwise.
261 jboolean transfer_pending_exception(JavaThread* THREAD, JVMCIEnv* peer_env);
262
263 // If there is a pending HotSpot exception, clears it and translates it to the shared library heap.
264 // The translated exception is pending in the shared library upon returning.
265 // Returns true if a pending exception was transferred, false otherwise.
266 static jboolean transfer_pending_exception_to_jni(JavaThread* THREAD, JVMCIEnv* hotspot_env, JVMCIEnv* jni_env);
267
268 // Prints the stack trace of a pending exception to `st` and clears the exception.
269 // If there is no pending exception, this is a nop.
270 void describe_pending_exception(outputStream* st);
271
272 // Gets the output of calling toString and/or printStactTrace on the pending exception.
273 // If to_string is not null, the output of toString is returned in it.
274 // If stack_trace is not null, the output of printStackTrace is returned in it.
275 // Returns false if there is no pending exception otherwise clears the pending
276 // exception and returns true.
277 bool pending_exception_as_string(const char** to_string, const char** stack_trace);
278
279 int get_length(JVMCIArray array);
280
281 JVMCIObject get_object_at(JVMCIObjectArray array, int index);
282 void put_object_at(JVMCIObjectArray array, int index, JVMCIObject value);
283
284 jboolean get_bool_at(JVMCIPrimitiveArray array, int index);
285 void put_bool_at(JVMCIPrimitiveArray array, int index, jboolean value);
286
287 jbyte get_byte_at(JVMCIPrimitiveArray array, int index);
288 void put_byte_at(JVMCIPrimitiveArray array, int index, jbyte value);
289
290 jint get_int_at(JVMCIPrimitiveArray array, int index);
291 void put_int_at(JVMCIPrimitiveArray array, int index, jint value);
292
293 jlong get_long_at(JVMCIPrimitiveArray array, int index);
294 void put_long_at(JVMCIPrimitiveArray array, int index, jlong value);
295
296 void copy_bytes_to(JVMCIPrimitiveArray src, jbyte* dest, int offset, jsize length);
297 void copy_bytes_from(jbyte* src, JVMCIPrimitiveArray dest, int offset, jsize length);
298
299 void copy_longs_from(jlong* src, JVMCIPrimitiveArray dest, int offset, jsize length);
300
301 JVMCIObjectArray initialize_intrinsics(JVMCI_TRAPS);
302
303 jboolean is_boxing_object(BasicType type, JVMCIObject object);
304
305 // Get the primitive value from a Java boxing object. It's hard error to
306 // pass a non-primitive BasicType.
307 jvalue get_boxed_value(BasicType type, JVMCIObject object);
308
309 // Return the BasicType of the object if it's a boxing object, otherwise return T_ILLEGAL.
310 BasicType get_box_type(JVMCIObject object);
311
312 // Create a boxing object of the appropriate primitive type.
313 JVMCIObject create_box(BasicType type, jvalue* value, JVMCI_TRAPS);
314
315 const char* as_utf8_string(JVMCIObject str);
316
317 JVMCIObject create_string(Symbol* str, JVMCI_TRAPS) {
318 JVMCIObject s = create_string(str->as_C_string(), JVMCI_CHECK_(JVMCIObject()));
319 return s;
320 }
321
322 JVMCIObject create_string(const char* str, JVMCI_TRAPS);
323
324 bool equals(JVMCIObject a, JVMCIObject b);
325
326 // Convert into a JNI handle for the appropriate runtime
327 jobject get_jobject(JVMCIObject object) { assert(object.as_jobject() == nullptr || is_hotspot() == object.is_hotspot(), "mismatch"); return object.as_jobject(); }
328 jarray get_jarray(JVMCIArray array) { assert(array.as_jobject() == nullptr || is_hotspot() == array.is_hotspot(), "mismatch"); return array.as_jobject(); }
329 jobjectArray get_jobjectArray(JVMCIObjectArray objectArray) { assert(objectArray.as_jobject() == nullptr || is_hotspot() == objectArray.is_hotspot(), "mismatch"); return objectArray.as_jobject(); }
330 jbyteArray get_jbyteArray(JVMCIPrimitiveArray primitiveArray) { assert(primitiveArray.as_jobject() == nullptr || is_hotspot() == primitiveArray.is_hotspot(), "mismatch"); return primitiveArray.as_jbyteArray(); }
331
332 JVMCIObject wrap(jobject obj);
333 JVMCIObjectArray wrap(jobjectArray obj) { return (JVMCIObjectArray) wrap((jobject) obj); }
334 JVMCIPrimitiveArray wrap(jintArray obj) { return (JVMCIPrimitiveArray) wrap((jobject) obj); }
335 JVMCIPrimitiveArray wrap(jbooleanArray obj) { return (JVMCIPrimitiveArray) wrap((jobject) obj); }
336 JVMCIPrimitiveArray wrap(jbyteArray obj) { return (JVMCIPrimitiveArray) wrap((jobject) obj); }
337 JVMCIPrimitiveArray wrap(jlongArray obj) { return (JVMCIPrimitiveArray) wrap((jobject) obj); }
338
339 nmethod* lookup_nmethod(address code, jlong compile_id_snapshot);
340
341 private:
342 JVMCIObject wrap(oop obj) { assert(is_hotspot(), "must be"); return wrap(JNIHandles::make_local(obj)); }
343 JVMCIObjectArray wrap(objArrayOop obj) { assert(is_hotspot(), "must be"); return (JVMCIObjectArray) wrap(JNIHandles::make_local(obj)); }
344 JVMCIPrimitiveArray wrap(typeArrayOop obj) { assert(is_hotspot(), "must be"); return (JVMCIPrimitiveArray) wrap(JNIHandles::make_local(obj)); }
345
346 public:
347 // Compiles a method with the JVMCI compiler.
348 // Caller must handle pending exception.
349 JVMCIObject call_HotSpotJVMCIRuntime_compileMethod(JVMCIObject runtime, JVMCIObject method, int entry_bci,
350 jlong compile_state, int id);
351
352 void call_HotSpotJVMCIRuntime_bootstrapFinished(JVMCIObject runtime, JVMCI_TRAPS);
353 void call_HotSpotJVMCIRuntime_shutdown(JVMCIObject runtime);
354 JVMCIObject call_HotSpotJVMCIRuntime_runtime(JVMCI_TRAPS);
355 JVMCIObject call_JVMCI_getRuntime(JVMCI_TRAPS);
356 JVMCIObject call_HotSpotJVMCIRuntime_getCompiler(JVMCIObject runtime, JVMCI_TRAPS);
357
358 JVMCIObject call_JavaConstant_forPrimitive(jchar type_char, jlong value, JVMCI_TRAPS);
359
360 jboolean call_HotSpotJVMCIRuntime_isGCSupported(JVMCIObject runtime, jint gcIdentifier);
361
362 jboolean call_HotSpotJVMCIRuntime_isIntrinsicSupported(JVMCIObject runtime, jint intrinsicIdentifier);
363
364 void call_HotSpotJVMCIRuntime_postTranslation(JVMCIObject object, JVMCI_TRAPS);
365
366 // Converts the JavaKind.typeChar value in `ch` to a BasicType
367 BasicType typeCharToBasicType(jchar ch, JVMCI_TRAPS);
368
369 // Converts the JavaKind value in `kind` to a BasicType
370 BasicType kindToBasicType(JVMCIObject kind, JVMCI_TRAPS);
371
372 #define DO_THROW(name) \
373 void throw_##name(const char* msg = nullptr);
374
375 DO_THROW(InternalError)
376 DO_THROW(ArrayIndexOutOfBoundsException)
377 DO_THROW(IllegalStateException)
378 DO_THROW(NullPointerException)
379 DO_THROW(IllegalArgumentException)
380 DO_THROW(InvalidInstalledCodeException)
381 DO_THROW(UnsatisfiedLinkError)
382 DO_THROW(UnsupportedOperationException)
383 DO_THROW(OutOfMemoryError)
384 DO_THROW(NoClassDefFoundError)
385
386 #undef DO_THROW
387
388 void fthrow_error(const char* file, int line, const char* format, ...) ATTRIBUTE_PRINTF(4, 5);
389
390 // Given an instance of HotSpotInstalledCode, return the corresponding CodeBlob*.
391 CodeBlob* get_code_blob(JVMCIObject code);
392
393 // Given an instance of HotSpotInstalledCode, return the corresponding nmethod.
394 nmethod* get_nmethod(JVMCIObject code, JVMCINMethodHandle& nmethod_handle);
395
396 const char* klass_name(JVMCIObject object);
397
398 // Unpack an instance of HotSpotResolvedJavaMethodImpl into the original Method*
399 Method* asMethod(JVMCIObject jvmci_method);
400
401 // Unpack an instance of HotSpotResolvedObjectTypeImpl into the original Klass*
402 Klass* asKlass(JVMCIObject jvmci_type);
403
404 // Unpack an instance of HotSpotMethodData into the original MethodData*
405 MethodData* asMethodData(JVMCIObject jvmci_method_data);
406
407 JVMCIObject get_jvmci_method(const methodHandle& method, JVMCI_TRAPS);
408
409 JVMCIObject get_jvmci_type(const JVMCIKlassHandle& klass, JVMCI_TRAPS);
410
411 // Unpack an instance of HotSpotConstantPool into the original ConstantPool*
412 ConstantPool* asConstantPool(JVMCIObject constant_pool);
413 ConstantPool* asConstantPool(jobject constant_pool) { return asConstantPool(wrap(constant_pool)); }
414
415 JVMCIObject get_jvmci_constant_pool(const constantPoolHandle& cp, JVMCI_TRAPS);
416 JVMCIObject get_jvmci_primitive_type(BasicType type);
417
418 Handle asConstant(JVMCIObject object, JVMCI_TRAPS);
419 JVMCIObject get_object_constant(oop objOop, bool compressed = false, bool dont_register = false);
420
421 JVMCIPrimitiveArray new_booleanArray(int length, JVMCI_TRAPS);
422 JVMCIPrimitiveArray new_byteArray(int length, JVMCI_TRAPS);
423 JVMCIPrimitiveArray new_intArray(int length, JVMCI_TRAPS);
424 JVMCIPrimitiveArray new_longArray(int length, JVMCI_TRAPS);
425
426 JVMCIObjectArray new_byte_array_array(int length, JVMCI_TRAPS);
427
428 JVMCIObject new_StackTraceElement(const methodHandle& method, int bci, JVMCI_TRAPS);
429 JVMCIObject new_HotSpotNmethod(const methodHandle& method, const char* name, jboolean isDefault, jlong compileId, JVMCI_TRAPS);
430 JVMCIObject new_VMField(JVMCIObject name, JVMCIObject type, jlong offset, jlong address, JVMCIObject value, JVMCI_TRAPS);
431 JVMCIObject new_VMFlag(JVMCIObject name, JVMCIObject type, JVMCIObject value, JVMCI_TRAPS);
432 JVMCIObject new_VMIntrinsicMethod(JVMCIObject declaringClass, JVMCIObject name, JVMCIObject descriptor, int id, jboolean isAvailable, jboolean c1Supported, jboolean c2Supported, JVMCI_TRAPS);
433 JVMCIObject new_HotSpotStackFrameReference(JVMCI_TRAPS);
434 JVMCIObject new_JVMCIError(JVMCI_TRAPS);
435 JVMCIObject new_FieldInfo(FieldInfo* fieldinfo, JVMCI_TRAPS);
436
437 // Makes a handle to a HotSpot heap object. These handles are
438 // individually reclaimed by JVMCIRuntime::destroy_oop_handle and
439 // bulk reclaimed by JVMCIRuntime::release_and_clear_globals.
440 jlong make_oop_handle(const Handle& obj);
441 oop resolve_oop_handle(jlong oopHandle);
442
443 // These are analogous to the JNI routines
444 JVMCIObject make_local(JVMCIObject object);
445 void destroy_local(JVMCIObject object);
446
447 // Makes a JNI global handle that is not scoped by the
448 // lifetime of a JVMCIRuntime (cf JVMCIRuntime::make_global).
449 // These JNI handles are used when translating an object
450 // between the HotSpot and JVMCI shared library heap via
451 // HotSpotJVMCIRuntime.translate(Object) and
452 // HotSpotJVMCIRuntime.unhand(Class<T>, long). Translation
453 // can happen in either direction so the referenced object
454 // can reside in either heap which is why JVMCIRuntime scoped
455 // handles cannot be used (they are specific to HotSpot heap objects).
456 JVMCIObject make_global(JVMCIObject object);
457
458 // Destroys a JNI global handle created by JVMCIEnv::make_global.
459 void destroy_global(JVMCIObject object);
460
461 // Updates the nmethod (if any) in the HotSpotNmethod.address
462 // field of `mirror` to prevent it from being called.
463 // If `deoptimize` is true, the nmethod is immediately deoptimized.
464 // The HotSpotNmethod.address field is zero upon returning.
465 void invalidate_nmethod_mirror(JVMCIObject mirror, bool deoptimze, nmethod::InvalidationReason invalidation_reason, JVMCI_TRAPS);
466
467 void initialize_installed_code(JVMCIObject installed_code, CodeBlob* cb, JVMCI_TRAPS);
468
469 private:
470 JVMCICompileState* _compile_state;
471
472 public:
473
474 // Determines if this is for the JVMCI runtime in the HotSpot
475 // heap (true) or the shared library heap (false).
476 bool is_hotspot() { return _is_hotspot; }
477
478 JVMCICompileState* compile_state() { return _compile_state; }
479 void set_compile_state(JVMCICompileState* compile_state) {
480 assert(_compile_state == nullptr, "set only once");
481 _compile_state = compile_state;
482 }
483 // Generate declarations for the initialize, new, isa, get and set methods for all the types and
484 // fields declared in the JVMCI_CLASSES_DO macro.
485
486 #define START_CLASS(className, fullClassName) \
487 void className##_initialize(JVMCI_TRAPS); \
488 JVMCIObjectArray new_##className##_array(int length, JVMCI_TRAPS); \
489 bool isa_##className(JVMCIObject object);
490
491 #define END_CLASS
492
493 #define FIELD(className, name, type, accessor) \
494 type get_ ## className ## _ ## name(JVMCIObject obj); \
495 void set_ ## className ## _ ## name(JVMCIObject obj, type x);
496
497 #define OOPISH_FIELD(className, name, type, hstype, accessor) \
498 FIELD(className, name, type, accessor)
499
500 #define STATIC_FIELD(className, name, type) \
501 type get_ ## className ## _ ## name(); \
502 void set_ ## className ## _ ## name(type x);
503
504 #define STATIC_OOPISH_FIELD(className, name, type, hstype) \
505 STATIC_FIELD(className, name, type)
506
507 #define EMPTY_CAST
508 #define CHAR_FIELD(className, name) FIELD(className, name, jchar, char_field)
509 #define INT_FIELD(className, name) FIELD(className, name, jint, int_field)
510 #define BOOLEAN_FIELD(className, name) FIELD(className, name, jboolean, bool_field)
511 #define LONG_FIELD(className, name) FIELD(className, name, jlong, long_field)
512 #define FLOAT_FIELD(className, name) FIELD(className, name, jfloat, float_field)
513 #define OBJECT_FIELD(className, name, signature) OOPISH_FIELD(className, name, JVMCIObject, oop, obj_field)
514 #define OBJECTARRAY_FIELD(className, name, signature) OOPISH_FIELD(className, name, JVMCIObjectArray, objArrayOop, obj_field)
515 #define PRIMARRAY_FIELD(className, name, signature) OOPISH_FIELD(className, name, JVMCIPrimitiveArray, typeArrayOop, obj_field)
516
517 #define STATIC_INT_FIELD(className, name) STATIC_FIELD(className, name, jint)
518 #define STATIC_BOOLEAN_FIELD(className, name) STATIC_FIELD(className, name, jboolean)
519 #define STATIC_OBJECT_FIELD(className, name, signature) STATIC_OOPISH_FIELD(className, name, JVMCIObject, oop)
520 #define STATIC_OBJECTARRAY_FIELD(className, name, signature) STATIC_OOPISH_FIELD(className, name, JVMCIObjectArray, objArrayOop)
521 #define METHOD(jniCallType, jniGetMethod, hsCallType, returnType, className, methodName, signatureSymbolName)
522 #define CONSTRUCTOR(className, signature)
523
524 JVMCI_CLASSES_DO(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)
525
526 #undef JNI_START_CLASS
527 #undef START_CLASS
528 #undef END_CLASS
529 #undef METHOD
530 #undef CONSTRUCTOR
531 #undef FIELD
532 #undef CHAR_FIELD
533 #undef INT_FIELD
534 #undef BOOLEAN_FIELD
535 #undef LONG_FIELD
536 #undef FLOAT_FIELD
537 #undef OBJECT_FIELD
538 #undef PRIMARRAY_FIELD
539 #undef OBJECTARRAY_FIELD
540 #undef FIELD
541 #undef OOPISH_FIELD
542 #undef STATIC_FIELD
543 #undef STATIC_OOPISH_FIELD
544 #undef STATIC_FIELD
545 #undef STATIC_OBJECT_FIELD
546 #undef STATIC_OBJECTARRAY_FIELD
547 #undef STATIC_INT_FIELD
548 #undef STATIC_BOOLEAN_FIELD
549 #undef EMPTY_CAST
550
551 // End of JVMCIEnv
552 };
553
554 #endif // SHARE_JVMCI_JVMCIENV_HPP