| 1 | /* |
| 2 | * Copyright (c) 1999, 2019, 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 "runtime/thread.hpp" |
| 31 | |
| 32 | class CompileTask; |
| 33 | class JVMCIObject; |
| 34 | class JVMCIObjectArray; |
| 35 | class JVMCIPrimitiveArray; |
| 36 | class JVMCICompiler; |
| 37 | class JVMCIRuntime; |
| 38 | |
| 39 | #define JVMCI_EXCEPTION_CONTEXT \ |
| 40 | JavaThread* thread=JavaThread::current(); \ |
| 41 | Thread* THREAD = thread; |
| 42 | |
| 43 | // Helper to log more context on a JNI exception |
| 44 | #define JVMCI_EXCEPTION_CHECK(env, ...) \ |
| 45 | do { \ |
| 46 | if (env->ExceptionCheck()) { \ |
| 47 | if (env != JavaThread::current()->jni_environment() && JVMCIEnv::get_shared_library_path() != NULL) { \ |
| 48 | tty->print_cr("In JVMCI shared library (%s):", JVMCIEnv::get_shared_library_path()); \ |
| 49 | } \ |
| 50 | tty->print_cr(__VA_ARGS__); \ |
| 51 | return; \ |
| 52 | } \ |
| 53 | } while(0) |
| 54 | |
| 55 | // Helper class to ensure that references to Klass* are kept alive for G1 |
| 56 | class JVMCIKlassHandle : public StackObj { |
| 57 | private: |
| 58 | Klass* _klass; |
| 59 | Handle _holder; |
| 60 | Thread* _thread; |
| 61 | |
| 62 | Klass* klass() const { return _klass; } |
| 63 | Klass* non_null_klass() const { assert(_klass != NULL, "resolving NULL _klass" ); return _klass; } |
| 64 | |
| 65 | public: |
| 66 | /* Constructors */ |
| 67 | JVMCIKlassHandle (Thread* thread) : _klass(NULL), _thread(thread) {} |
| 68 | JVMCIKlassHandle (Thread* thread, Klass* klass); |
| 69 | |
| 70 | JVMCIKlassHandle (const JVMCIKlassHandle &h): _klass(h._klass), _holder(h._holder), _thread(h._thread) {} |
| 71 | JVMCIKlassHandle& operator=(const JVMCIKlassHandle &s); |
| 72 | JVMCIKlassHandle& operator=(Klass* klass); |
| 73 | |
| 74 | /* Operators for ease of use */ |
| 75 | Klass* operator () () const { return klass(); } |
| 76 | Klass* operator -> () const { return non_null_klass(); } |
| 77 | |
| 78 | bool operator == (Klass* o) const { return klass() == o; } |
| 79 | bool operator == (const JVMCIKlassHandle& h) const { return klass() == h.klass(); } |
| 80 | |
| 81 | /* Null checks */ |
| 82 | bool is_null() const { return _klass == NULL; } |
| 83 | bool not_null() const { return _klass != NULL; } |
| 84 | }; |
| 85 | |
| 86 | // A class that maintains the state needed for compilations requested |
| 87 | // by the CompileBroker. It is created in the broker and passed through |
| 88 | // into the code installation step. |
| 89 | class JVMCICompileState : public ResourceObj { |
| 90 | friend class JVMCIVMStructs; |
| 91 | private: |
| 92 | CompileTask* _task; |
| 93 | int _system_dictionary_modification_counter; |
| 94 | |
| 95 | // Cache JVMTI state. Defined as bytes so that reading them from Java |
| 96 | // via Unsafe is well defined (the C++ type for bool is implementation |
| 97 | // defined and may not be the same as a Java boolean). |
| 98 | jbyte _jvmti_can_hotswap_or_post_breakpoint; |
| 99 | jbyte _jvmti_can_access_local_variables; |
| 100 | jbyte _jvmti_can_post_on_exceptions; |
| 101 | jbyte _jvmti_can_pop_frame; |
| 102 | |
| 103 | // Compilation result values. |
| 104 | bool _retryable; |
| 105 | const char* _failure_reason; |
| 106 | |
| 107 | // Specifies if _failure_reason is on the C heap. If so, it is allocated |
| 108 | // with the mtJVMCI NMT flag. |
| 109 | bool _failure_reason_on_C_heap; |
| 110 | |
| 111 | public: |
| 112 | JVMCICompileState(CompileTask* task, int system_dictionary_modification_counter); |
| 113 | |
| 114 | CompileTask* task() { return _task; } |
| 115 | |
| 116 | int system_dictionary_modification_counter() { return _system_dictionary_modification_counter; } |
| 117 | bool jvmti_state_changed() const; |
| 118 | bool jvmti_can_hotswap_or_post_breakpoint() const { return _jvmti_can_hotswap_or_post_breakpoint != 0; } |
| 119 | bool jvmti_can_access_local_variables() const { return _jvmti_can_access_local_variables != 0; } |
| 120 | bool jvmti_can_post_on_exceptions() const { return _jvmti_can_post_on_exceptions != 0; } |
| 121 | bool jvmti_can_pop_frame() const { return _jvmti_can_pop_frame != 0; } |
| 122 | |
| 123 | const char* failure_reason() { return _failure_reason; } |
| 124 | bool failure_reason_on_C_heap() { return _failure_reason_on_C_heap; } |
| 125 | bool retryable() { return _retryable; } |
| 126 | |
| 127 | void set_failure(bool retryable, const char* reason, bool reason_on_C_heap = false) { |
| 128 | _failure_reason = reason; |
| 129 | _failure_reason_on_C_heap = reason_on_C_heap; |
| 130 | _retryable = retryable; |
| 131 | } |
| 132 | }; |
| 133 | |
| 134 | |
| 135 | // This class is a top level wrapper around interactions between HotSpot |
| 136 | // and the JVMCI Java code. It supports both a HotSpot heap based |
| 137 | // runtime with HotSpot oop based accessors as well as a shared library |
| 138 | // based runtime that is accessed through JNI. It abstracts away all |
| 139 | // interactions with JVMCI objects so that a single version of the |
| 140 | // HotSpot C++ code can can work with either runtime. |
| 141 | class JVMCIEnv : public ResourceObj { |
| 142 | friend class JNIAccessMark; |
| 143 | |
| 144 | static char* _shared_library_path; // argument to os:dll_load |
| 145 | static void* _shared_library_handle; // result of os::dll_load |
| 146 | static JavaVM* _shared_library_javavm; // result of calling JNI_CreateJavaVM in shared library |
| 147 | |
| 148 | // Initializes the shared library JavaVM if not already initialized. |
| 149 | // Returns the JNI interface pointer for the current thread |
| 150 | // if initialization was performed by this call, NULL if |
| 151 | // initialization was performed by a previous call. |
| 152 | static JNIEnv* init_shared_library(JavaThread* thread); |
| 153 | |
| 154 | // Initializes the _env, _mode and _runtime fields. |
| 155 | void init_env_mode_runtime(JavaThread* thread, JNIEnv* parent_env); |
| 156 | |
| 157 | void init(JavaThread* thread, bool is_hotspot, const char* file, int line); |
| 158 | |
| 159 | JNIEnv* _env; // JNI env for calling into shared library |
| 160 | bool _pop_frame_on_close; // Must pop frame on close? |
| 161 | bool _detach_on_close; // Must detach on close? |
| 162 | JVMCIRuntime* _runtime; // Access to a HotSpotJVMCIRuntime |
| 163 | bool _is_hotspot; // Which heap is the HotSpotJVMCIRuntime in |
| 164 | bool _throw_to_caller; // Propagate an exception raised in this env to the caller? |
| 165 | const char* _file; // The file and ... |
| 166 | int _line; // ... line where this JNIEnv was created |
| 167 | |
| 168 | // Translates an exception on the HotSpot heap to an exception on |
| 169 | // the shared library heap. The translation includes the stack and |
| 170 | // causes of `throwable`. The translated exception is pending in the |
| 171 | // shared library thread upon returning. |
| 172 | void translate_hotspot_exception_to_jni_exception(JavaThread* THREAD, const Handle& throwable); |
| 173 | |
| 174 | public: |
| 175 | // Opens a JVMCIEnv scope for a Java to VM call (e.g., via CompilerToVM). |
| 176 | // An exception occurring within the scope is left pending when the |
| 177 | // scope closes so that it will be propagated back to Java. |
| 178 | // The JVMCIEnv destructor translates the exception object for the |
| 179 | // Java runtime if necessary. |
| 180 | JVMCIEnv(JavaThread* thread, JNIEnv* env, const char* file, int line); |
| 181 | |
| 182 | // Opens a JVMCIEnv scope for a compilation scheduled by the CompileBroker. |
| 183 | // An exception occurring within the scope must not be propagated back to |
| 184 | // the CompileBroker. |
| 185 | JVMCIEnv(JavaThread* thread, JVMCICompileState* compile_state, const char* file, int line); |
| 186 | |
| 187 | // Opens a JNIEnv scope for a call from within the VM. An exception occurring |
| 188 | // within the scope must not be propagated back to the caller. |
| 189 | JVMCIEnv(JavaThread* env, const char* file, int line); |
| 190 | |
| 191 | // Opens a JNIEnv scope for accessing `for_object`. An exception occurring |
| 192 | // within the scope must not be propagated back to the caller. |
| 193 | JVMCIEnv(JavaThread* thread, JVMCIObject for_object, const char* file, int line) { |
| 194 | // A JNI call to access an object in the shared library heap |
| 195 | // can block or take a long time so do not allow such access |
| 196 | // on the VM thread. |
| 197 | assert(for_object.is_hotspot() || !Thread::current()->is_VM_thread(), |
| 198 | "cannot open JVMCIEnv scope when in the VM thread for accessing a shared library heap object" ); |
| 199 | init(thread, for_object.is_hotspot(), file, line); |
| 200 | } |
| 201 | |
| 202 | // Opens a JNIEnv scope for the HotSpot runtime if `is_hotspot` is true |
| 203 | // otherwise for the shared library runtime. An exception occurring |
| 204 | // within the scope must not be propagated back to the caller. |
| 205 | JVMCIEnv(JavaThread* thread, bool is_hotspot, const char* file, int line) { |
| 206 | init(thread, is_hotspot, file, line); |
| 207 | } |
| 208 | |
| 209 | ~JVMCIEnv(); |
| 210 | |
| 211 | JVMCIRuntime* runtime() { |
| 212 | return _runtime; |
| 213 | } |
| 214 | |
| 215 | // Initializes Services.savedProperties in the shared library by copying |
| 216 | // the values from the same field in the HotSpot heap. |
| 217 | void copy_saved_properties(); |
| 218 | |
| 219 | jboolean has_pending_exception(); |
| 220 | void clear_pending_exception(); |
| 221 | |
| 222 | // Prints an exception and stack trace of a pending exception. |
| 223 | void describe_pending_exception(bool clear); |
| 224 | |
| 225 | int get_length(JVMCIArray array); |
| 226 | |
| 227 | JVMCIObject get_object_at(JVMCIObjectArray array, int index); |
| 228 | void put_object_at(JVMCIObjectArray array, int index, JVMCIObject value); |
| 229 | |
| 230 | jboolean get_bool_at(JVMCIPrimitiveArray array, int index); |
| 231 | void put_bool_at(JVMCIPrimitiveArray array, int index, jboolean value); |
| 232 | |
| 233 | jbyte get_byte_at(JVMCIPrimitiveArray array, int index); |
| 234 | void put_byte_at(JVMCIPrimitiveArray array, int index, jbyte value); |
| 235 | |
| 236 | jint get_int_at(JVMCIPrimitiveArray array, int index); |
| 237 | void put_int_at(JVMCIPrimitiveArray array, int index, jint value); |
| 238 | |
| 239 | long get_long_at(JVMCIPrimitiveArray array, int index); |
| 240 | void put_long_at(JVMCIPrimitiveArray array, int index, jlong value); |
| 241 | |
| 242 | void copy_bytes_to(JVMCIPrimitiveArray src, jbyte* dest, int offset, jsize length); |
| 243 | void copy_bytes_from(jbyte* src, JVMCIPrimitiveArray dest, int offset, jsize length); |
| 244 | |
| 245 | void copy_longs_from(jlong* src, JVMCIPrimitiveArray dest, int offset, jsize length); |
| 246 | |
| 247 | JVMCIObjectArray initialize_intrinsics(JVMCI_TRAPS); |
| 248 | |
| 249 | jboolean is_boxing_object(BasicType type, JVMCIObject object); |
| 250 | |
| 251 | // Get the primitive value from a Java boxing object. It's hard error to |
| 252 | // pass a non-primitive BasicType. |
| 253 | jvalue get_boxed_value(BasicType type, JVMCIObject object); |
| 254 | |
| 255 | // Return the BasicType of the object if it's a boxing object, otherwise return T_ILLEGAL. |
| 256 | BasicType get_box_type(JVMCIObject object); |
| 257 | |
| 258 | // Create a boxing object of the appropriate primitive type. |
| 259 | JVMCIObject create_box(BasicType type, jvalue* value, JVMCI_TRAPS); |
| 260 | |
| 261 | const char* as_utf8_string(JVMCIObject str); |
| 262 | char* as_utf8_string(JVMCIObject str, char* buf, int buflen); |
| 263 | |
| 264 | JVMCIObject create_string(Symbol* str, JVMCI_TRAPS) { |
| 265 | return create_string(str->as_C_string(), JVMCI_CHECK_(JVMCIObject())); |
| 266 | } |
| 267 | |
| 268 | JVMCIObject create_string(const char* str, JVMCI_TRAPS); |
| 269 | |
| 270 | bool equals(JVMCIObject a, JVMCIObject b); |
| 271 | |
| 272 | // Convert into a JNI handle for the appropriate runtime |
| 273 | jobject get_jobject(JVMCIObject object) { assert(object.as_jobject() == NULL || is_hotspot() == object.is_hotspot(), "mismatch" ); return object.as_jobject(); } |
| 274 | jarray get_jarray(JVMCIArray array) { assert(array.as_jobject() == NULL || is_hotspot() == array.is_hotspot(), "mismatch" ); return array.as_jobject(); } |
| 275 | jobjectArray get_jobjectArray(JVMCIObjectArray objectArray) { assert(objectArray.as_jobject() == NULL || is_hotspot() == objectArray.is_hotspot(), "mismatch" ); return objectArray.as_jobject(); } |
| 276 | jbyteArray get_jbyteArray(JVMCIPrimitiveArray primitiveArray) { assert(primitiveArray.as_jobject() == NULL || is_hotspot() == primitiveArray.is_hotspot(), "mismatch" ); return primitiveArray.as_jbyteArray(); } |
| 277 | |
| 278 | JVMCIObject wrap(jobject obj); |
| 279 | JVMCIObjectArray wrap(jobjectArray obj) { return (JVMCIObjectArray) wrap((jobject) obj); } |
| 280 | JVMCIPrimitiveArray wrap(jintArray obj) { return (JVMCIPrimitiveArray) wrap((jobject) obj); } |
| 281 | JVMCIPrimitiveArray wrap(jbooleanArray obj) { return (JVMCIPrimitiveArray) wrap((jobject) obj); } |
| 282 | JVMCIPrimitiveArray wrap(jbyteArray obj) { return (JVMCIPrimitiveArray) wrap((jobject) obj); } |
| 283 | JVMCIPrimitiveArray wrap(jlongArray obj) { return (JVMCIPrimitiveArray) wrap((jobject) obj); } |
| 284 | |
| 285 | private: |
| 286 | JVMCIObject wrap(oop obj) { assert(is_hotspot(), "must be" ); return wrap(JNIHandles::make_local(obj)); } |
| 287 | JVMCIObjectArray wrap(objArrayOop obj) { assert(is_hotspot(), "must be" ); return (JVMCIObjectArray) wrap(JNIHandles::make_local(obj)); } |
| 288 | JVMCIPrimitiveArray wrap(typeArrayOop obj) { assert(is_hotspot(), "must be" ); return (JVMCIPrimitiveArray) wrap(JNIHandles::make_local(obj)); } |
| 289 | |
| 290 | public: |
| 291 | // Compiles a method with the JVMIC compiler. |
| 292 | // Caller must handle pending exception. |
| 293 | JVMCIObject call_HotSpotJVMCIRuntime_compileMethod(JVMCIObject runtime, JVMCIObject method, int entry_bci, |
| 294 | jlong compile_state, int id); |
| 295 | |
| 296 | void call_HotSpotJVMCIRuntime_bootstrapFinished(JVMCIObject runtime, JVMCI_TRAPS); |
| 297 | void call_HotSpotJVMCIRuntime_shutdown(JVMCIObject runtime); |
| 298 | JVMCIObject call_HotSpotJVMCIRuntime_runtime(JVMCI_TRAPS); |
| 299 | JVMCIObject call_JVMCI_getRuntime(JVMCI_TRAPS); |
| 300 | JVMCIObject call_HotSpotJVMCIRuntime_getCompiler(JVMCIObject runtime, JVMCI_TRAPS); |
| 301 | |
| 302 | JVMCIObject call_HotSpotJVMCIRuntime_callToString(JVMCIObject object, JVMCI_TRAPS); |
| 303 | |
| 304 | JVMCIObject call_PrimitiveConstant_forTypeChar(jchar kind, jlong value, JVMCI_TRAPS); |
| 305 | JVMCIObject call_JavaConstant_forFloat(float value, JVMCI_TRAPS); |
| 306 | JVMCIObject call_JavaConstant_forDouble(double value, JVMCI_TRAPS); |
| 307 | |
| 308 | BasicType kindToBasicType(JVMCIObject kind, JVMCI_TRAPS); |
| 309 | |
| 310 | #define DO_THROW(name) \ |
| 311 | void throw_##name(const char* msg = NULL); |
| 312 | |
| 313 | DO_THROW(InternalError) |
| 314 | DO_THROW(ArrayIndexOutOfBoundsException) |
| 315 | DO_THROW(IllegalStateException) |
| 316 | DO_THROW(NullPointerException) |
| 317 | DO_THROW(IllegalArgumentException) |
| 318 | DO_THROW(InvalidInstalledCodeException) |
| 319 | DO_THROW(UnsatisfiedLinkError) |
| 320 | DO_THROW(UnsupportedOperationException) |
| 321 | DO_THROW(ClassNotFoundException) |
| 322 | |
| 323 | #undef DO_THROW |
| 324 | |
| 325 | void fthrow_error(const char* file, int line, const char* format, ...) ATTRIBUTE_PRINTF(4, 5); |
| 326 | |
| 327 | // Given an instance of HotSpotInstalledCode return the corresponding CodeBlob* |
| 328 | CodeBlob* asCodeBlob(JVMCIObject code); |
| 329 | |
| 330 | nmethod* asNmethod(JVMCIObject code) { |
| 331 | CodeBlob* cb = asCodeBlob(code); |
| 332 | if (cb == NULL) { |
| 333 | return NULL; |
| 334 | } |
| 335 | nmethod* nm = cb->as_nmethod_or_null(); |
| 336 | guarantee(nm != NULL, "not an nmethod" ); |
| 337 | return nm; |
| 338 | } |
| 339 | |
| 340 | MethodData* asMethodData(jlong metaspaceMethodData) { |
| 341 | return (MethodData*) (address) metaspaceMethodData; |
| 342 | } |
| 343 | |
| 344 | const char* klass_name(JVMCIObject object); |
| 345 | |
| 346 | // Unpack an instance of HotSpotResolvedJavaMethodImpl into the original Method* |
| 347 | Method* asMethod(JVMCIObject jvmci_method); |
| 348 | Method* asMethod(jobject jvmci_method) { return asMethod(wrap(jvmci_method)); } |
| 349 | |
| 350 | // Unpack an instance of HotSpotResolvedObjectTypeImpl into the original Klass* |
| 351 | Klass* asKlass(JVMCIObject jvmci_type); |
| 352 | Klass* asKlass(jobject jvmci_type) { return asKlass(wrap(jvmci_type)); } |
| 353 | |
| 354 | JVMCIObject get_jvmci_method(const methodHandle& method, JVMCI_TRAPS); |
| 355 | |
| 356 | JVMCIObject get_jvmci_type(const JVMCIKlassHandle& klass, JVMCI_TRAPS); |
| 357 | |
| 358 | // Unpack an instance of HotSpotConstantPool into the original ConstantPool* |
| 359 | ConstantPool* asConstantPool(JVMCIObject constant_pool); |
| 360 | ConstantPool* asConstantPool(jobject constant_pool) { return asConstantPool(wrap(constant_pool)); } |
| 361 | |
| 362 | JVMCIObject get_jvmci_constant_pool(const constantPoolHandle& cp, JVMCI_TRAPS); |
| 363 | JVMCIObject get_jvmci_primitive_type(BasicType type); |
| 364 | |
| 365 | Handle asConstant(JVMCIObject object, JVMCI_TRAPS); |
| 366 | JVMCIObject get_object_constant(oop objOop, bool compressed = false, bool dont_register = false); |
| 367 | |
| 368 | JVMCIPrimitiveArray new_booleanArray(int length, JVMCI_TRAPS); |
| 369 | JVMCIPrimitiveArray new_byteArray(int length, JVMCI_TRAPS); |
| 370 | JVMCIPrimitiveArray new_intArray(int length, JVMCI_TRAPS); |
| 371 | JVMCIPrimitiveArray new_longArray(int length, JVMCI_TRAPS); |
| 372 | |
| 373 | JVMCIObjectArray new_byte_array_array(int length, JVMCI_TRAPS); |
| 374 | |
| 375 | JVMCIObject new_StackTraceElement(const methodHandle& method, int bci, JVMCI_TRAPS); |
| 376 | JVMCIObject new_HotSpotNmethod(const methodHandle& method, const char* name, jboolean isDefault, jlong compileId, JVMCI_TRAPS); |
| 377 | JVMCIObject new_VMField(JVMCIObject name, JVMCIObject type, jlong offset, jlong address, JVMCIObject value, JVMCI_TRAPS); |
| 378 | JVMCIObject new_VMFlag(JVMCIObject name, JVMCIObject type, JVMCIObject value, JVMCI_TRAPS); |
| 379 | JVMCIObject new_VMIntrinsicMethod(JVMCIObject declaringClass, JVMCIObject name, JVMCIObject descriptor, int id, JVMCI_TRAPS); |
| 380 | JVMCIObject new_HotSpotStackFrameReference(JVMCI_TRAPS); |
| 381 | JVMCIObject new_JVMCIError(JVMCI_TRAPS); |
| 382 | |
| 383 | jlong make_handle(const Handle& obj); |
| 384 | oop resolve_handle(jlong objectHandle); |
| 385 | |
| 386 | // These are analagous to the JNI routines |
| 387 | JVMCIObject make_local(JVMCIObject object); |
| 388 | JVMCIObject make_global(JVMCIObject object); |
| 389 | JVMCIObject make_weak(JVMCIObject object); |
| 390 | void destroy_local(JVMCIObject object); |
| 391 | void destroy_global(JVMCIObject object); |
| 392 | void destroy_weak(JVMCIObject object); |
| 393 | |
| 394 | // Deoptimizes the nmethod (if any) in the HotSpotNmethod.address |
| 395 | // field of mirror. The field is subsequently zeroed. |
| 396 | void invalidate_nmethod_mirror(JVMCIObject mirror, JVMCI_TRAPS); |
| 397 | |
| 398 | void initialize_installed_code(JVMCIObject installed_code, CodeBlob* cb, JVMCI_TRAPS); |
| 399 | |
| 400 | private: |
| 401 | JVMCICompileState* _compile_state; |
| 402 | |
| 403 | public: |
| 404 | static JavaVM* get_shared_library_javavm() { return _shared_library_javavm; } |
| 405 | static void* get_shared_library_handle() { return _shared_library_handle; } |
| 406 | static char* get_shared_library_path() { return _shared_library_path; } |
| 407 | |
| 408 | // Determines if this is for the JVMCI runtime in the HotSpot |
| 409 | // heap (true) or the shared library heap (false). |
| 410 | bool is_hotspot() { return _is_hotspot; } |
| 411 | |
| 412 | JVMCICompileState* compile_state() { return _compile_state; } |
| 413 | void set_compile_state(JVMCICompileState* compile_state) { |
| 414 | assert(_compile_state == NULL, "set only once" ); |
| 415 | _compile_state = compile_state; |
| 416 | } |
| 417 | // Generate declarations for the initialize, new, isa, get and set methods for all the types and |
| 418 | // fields declared in the JVMCI_CLASSES_DO macro. |
| 419 | |
| 420 | #define START_CLASS(className, fullClassName) \ |
| 421 | void className##_initialize(JVMCI_TRAPS); \ |
| 422 | JVMCIObjectArray new_##className##_array(int length, JVMCI_TRAPS); \ |
| 423 | bool isa_##className(JVMCIObject object); |
| 424 | |
| 425 | #define END_CLASS |
| 426 | |
| 427 | #define FIELD(className, name, type, accessor) \ |
| 428 | type get_ ## className ## _ ## name(JVMCIObject obj); \ |
| 429 | void set_ ## className ## _ ## name(JVMCIObject obj, type x); |
| 430 | |
| 431 | #define OOPISH_FIELD(className, name, type, hstype, accessor) \ |
| 432 | FIELD(className, name, type, accessor) |
| 433 | |
| 434 | #define STATIC_FIELD(className, name, type) \ |
| 435 | type get_ ## className ## _ ## name(); \ |
| 436 | void set_ ## className ## _ ## name(type x); |
| 437 | |
| 438 | #define STATIC_OOPISH_FIELD(className, name, type, hstype) \ |
| 439 | STATIC_FIELD(className, name, type) |
| 440 | |
| 441 | #define EMPTY_CAST |
| 442 | #define CHAR_FIELD(className, name) FIELD(className, name, jchar, char_field) |
| 443 | #define INT_FIELD(className, name) FIELD(className, name, jint, int_field) |
| 444 | #define BOOLEAN_FIELD(className, name) FIELD(className, name, jboolean, bool_field) |
| 445 | #define LONG_FIELD(className, name) FIELD(className, name, jlong, long_field) |
| 446 | #define FLOAT_FIELD(className, name) FIELD(className, name, jfloat, float_field) |
| 447 | #define OBJECT_FIELD(className, name, signature) OOPISH_FIELD(className, name, JVMCIObject, oop, obj_field) |
| 448 | #define OBJECTARRAY_FIELD(className, name, signature) OOPISH_FIELD(className, name, JVMCIObjectArray, objArrayOop, obj_field) |
| 449 | #define PRIMARRAY_FIELD(className, name, signature) OOPISH_FIELD(className, name, JVMCIPrimitiveArray, typeArrayOop, obj_field) |
| 450 | |
| 451 | #define STATIC_INT_FIELD(className, name) STATIC_FIELD(className, name, jint) |
| 452 | #define STATIC_BOOLEAN_FIELD(className, name) STATIC_FIELD(className, name, jboolean) |
| 453 | #define STATIC_OBJECT_FIELD(className, name, signature) STATIC_OOPISH_FIELD(className, name, JVMCIObject, oop) |
| 454 | #define STATIC_OBJECTARRAY_FIELD(className, name, signature) STATIC_OOPISH_FIELD(className, name, JVMCIObjectArray, objArrayOop) |
| 455 | #define METHOD(jniCallType, jniGetMethod, hsCallType, returnType, className, methodName, signatureSymbolName, args) |
| 456 | #define CONSTRUCTOR(className, signature) |
| 457 | |
| 458 | 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) |
| 459 | |
| 460 | #undef JNI_START_CLASS |
| 461 | #undef START_CLASS |
| 462 | #undef END_CLASS |
| 463 | #undef METHOD |
| 464 | #undef CONSTRUCTOR |
| 465 | #undef FIELD |
| 466 | #undef CHAR_FIELD |
| 467 | #undef INT_FIELD |
| 468 | #undef BOOLEAN_FIELD |
| 469 | #undef LONG_FIELD |
| 470 | #undef FLOAT_FIELD |
| 471 | #undef OBJECT_FIELD |
| 472 | #undef PRIMARRAY_FIELD |
| 473 | #undef OBJECTARRAY_FIELD |
| 474 | #undef FIELD |
| 475 | #undef OOPISH_FIELD |
| 476 | #undef STATIC_FIELD |
| 477 | #undef STATIC_OOPISH_FIELD |
| 478 | #undef STATIC_FIELD |
| 479 | #undef STATIC_OBJECT_FIELD |
| 480 | #undef STATIC_OBJECTARRAY_FIELD |
| 481 | #undef STATIC_INT_FIELD |
| 482 | #undef STATIC_BOOLEAN_FIELD |
| 483 | #undef EMPTY_CAST |
| 484 | |
| 485 | // End of JVMCIEnv |
| 486 | }; |
| 487 | |
| 488 | #endif // SHARE_JVMCI_JVMCIENV_HPP |
| 489 | |