1 /*
2 * Copyright (c) 2011, 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 #include "precompiled.hpp"
25 #include "classfile/classLoaderData.inline.hpp"
26 #include "classfile/javaClasses.inline.hpp"
27 #include "classfile/stringTable.hpp"
28 #include "classfile/symbolTable.hpp"
29 #include "code/scopeDesc.hpp"
30 #include "compiler/compileBroker.hpp"
31 #include "compiler/disassembler.hpp"
32 #include "interpreter/linkResolver.hpp"
33 #include "interpreter/bytecodeStream.hpp"
34 #include "jvmci/jvmciCompilerToVM.hpp"
35 #include "jvmci/jvmciCodeInstaller.hpp"
36 #include "jvmci/jvmciRuntime.hpp"
37 #include "memory/oopFactory.hpp"
38 #include "memory/universe.hpp"
39 #include "oops/constantPool.inline.hpp"
40 #include "oops/method.inline.hpp"
41 #include "oops/typeArrayOop.inline.hpp"
42 #include "prims/nativeLookup.hpp"
43 #include "runtime/deoptimization.hpp"
44 #include "runtime/fieldDescriptor.inline.hpp"
45 #include "runtime/frame.inline.hpp"
46 #include "runtime/interfaceSupport.inline.hpp"
47 #include "runtime/jniHandles.inline.hpp"
48 #include "runtime/timerTrace.hpp"
49 #include "runtime/vframe_hp.hpp"
50
51 JVMCIKlassHandle::JVMCIKlassHandle(Thread* thread, Klass* klass) {
52 _thread = thread;
53 _klass = klass;
54 if (klass != NULL) {
55 _holder = Handle(_thread, klass->klass_holder());
56 }
57 }
58
59 JVMCIKlassHandle& JVMCIKlassHandle::operator=(Klass* klass) {
60 _klass = klass;
61 if (klass != NULL) {
62 _holder = Handle(_thread, klass->klass_holder());
63 }
64 return *this;
65 }
66
67 static void requireInHotSpot(const char* caller, JVMCI_TRAPS) {
68 if (!JVMCIENV->is_hotspot()) {
69 JVMCI_THROW_MSG(IllegalStateException, err_msg("Cannot call %s from JVMCI shared library", caller));
70 }
71 }
72
73 void JNIHandleMark::push_jni_handle_block(JavaThread* thread) {
74 if (thread != NULL) {
75 // Allocate a new block for JNI handles.
76 // Inlined code from jni_PushLocalFrame()
77 JNIHandleBlock* java_handles = thread->active_handles();
78 JNIHandleBlock* compile_handles = JNIHandleBlock::allocate_block(thread);
79 assert(compile_handles != NULL && java_handles != NULL, "should not be NULL");
80 compile_handles->set_pop_frame_link(java_handles);
81 thread->set_active_handles(compile_handles);
82 }
83 }
84
85 void JNIHandleMark::pop_jni_handle_block(JavaThread* thread) {
86 if (thread != NULL) {
87 // Release our JNI handle block
88 JNIHandleBlock* compile_handles = thread->active_handles();
89 JNIHandleBlock* java_handles = compile_handles->pop_frame_link();
90 thread->set_active_handles(java_handles);
91 compile_handles->set_pop_frame_link(NULL);
92 JNIHandleBlock::release_block(compile_handles, thread); // may block
93 }
94 }
95
96 class JVMCITraceMark : public StackObj {
97 const char* _msg;
98 public:
99 JVMCITraceMark(const char* msg) {
100 _msg = msg;
101 if (JVMCITraceLevel >= 1) {
102 tty->print_cr(PTR_FORMAT " JVMCITrace-1: Enter %s", p2i(JavaThread::current()), _msg);
103 }
104 }
105 ~JVMCITraceMark() {
106 if (JVMCITraceLevel >= 1) {
107 tty->print_cr(PTR_FORMAT " JVMCITrace-1: Exit %s", p2i(JavaThread::current()), _msg);
108 }
109 }
110 };
111
112
113 Handle JavaArgumentUnboxer::next_arg(BasicType expectedType) {
114 assert(_index < _args->length(), "out of bounds");
115 oop arg=((objArrayOop) (_args))->obj_at(_index++);
116 assert(expectedType == T_OBJECT || java_lang_boxing_object::is_instance(arg, expectedType), "arg type mismatch");
117 return Handle(Thread::current(), arg);
118 }
119
120 // Bring the JVMCI compiler thread into the VM state.
121 #define JVMCI_VM_ENTRY_MARK \
122 ThreadInVMfromNative __tiv(thread); \
123 ResetNoHandleMark rnhm; \
124 HandleMarkCleaner __hm(thread); \
125 Thread* THREAD = thread; \
126 debug_only(VMNativeEntryWrapper __vew;)
127
128 // Native method block that transitions current thread to '_thread_in_vm'.
129 #define C2V_BLOCK(result_type, name, signature) \
130 TRACE_CALL(result_type, jvmci_ ## name signature) \
131 JVMCI_VM_ENTRY_MARK; \
132 ResourceMark rm; \
133 JNI_JVMCIENV(thread, env);
134
135 static Thread* get_current_thread() {
136 return Thread::current_or_null_safe();
137 }
138
139 // Entry to native method implementation that transitions
140 // current thread to '_thread_in_vm'.
141 #define C2V_VMENTRY(result_type, name, signature) \
142 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
143 Thread* base_thread = get_current_thread(); \
144 if (base_thread == NULL) { \
145 env->ThrowNew(JNIJVMCI::InternalError::clazz(), \
146 err_msg("Cannot call into HotSpot from JVMCI shared library without attaching current thread")); \
147 return; \
148 } \
149 assert(base_thread->is_Java_thread(), "just checking");\
150 JavaThread* thread = (JavaThread*) base_thread; \
151 JVMCITraceMark jtm("CompilerToVM::" #name); \
152 C2V_BLOCK(result_type, name, signature)
153
154 #define C2V_VMENTRY_(result_type, name, signature, result) \
155 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
156 Thread* base_thread = get_current_thread(); \
157 if (base_thread == NULL) { \
158 env->ThrowNew(JNIJVMCI::InternalError::clazz(), \
159 err_msg("Cannot call into HotSpot from JVMCI shared library without attaching current thread")); \
160 return result; \
161 } \
162 assert(base_thread->is_Java_thread(), "just checking");\
163 JavaThread* thread = (JavaThread*) base_thread; \
164 JVMCITraceMark jtm("CompilerToVM::" #name); \
165 C2V_BLOCK(result_type, name, signature)
166
167 #define C2V_VMENTRY_NULL(result_type, name, signature) C2V_VMENTRY_(result_type, name, signature, NULL)
168 #define C2V_VMENTRY_0(result_type, name, signature) C2V_VMENTRY_(result_type, name, signature, 0)
169
170 // Entry to native method implementation that does not transition
171 // current thread to '_thread_in_vm'.
172 #define C2V_VMENTRY_PREFIX(result_type, name, signature) \
173 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
174 Thread* base_thread = get_current_thread();
175
176 #define C2V_END }
177
178 #define JNI_THROW(caller, name, msg) do { \
179 jint __throw_res = env->ThrowNew(JNIJVMCI::name::clazz(), msg); \
180 if (__throw_res != JNI_OK) { \
181 tty->print_cr("Throwing " #name " in " caller " returned %d", __throw_res); \
182 } \
183 return; \
184 } while (0);
185
186 #define JNI_THROW_(caller, name, msg, result) do { \
187 jint __throw_res = env->ThrowNew(JNIJVMCI::name::clazz(), msg); \
188 if (__throw_res != JNI_OK) { \
189 tty->print_cr("Throwing " #name " in " caller " returned %d", __throw_res); \
190 } \
191 return result; \
192 } while (0)
193
194 jobjectArray readConfiguration0(JNIEnv *env, JVMCI_TRAPS);
195
196 C2V_VMENTRY_NULL(jobjectArray, readConfiguration, (JNIEnv* env))
197 jobjectArray config = readConfiguration0(env, JVMCI_CHECK_NULL);
198 return config;
199 }
200
201 C2V_VMENTRY_NULL(jobject, getFlagValue, (JNIEnv* env, jobject c2vm, jobject name_handle))
202 #define RETURN_BOXED_LONG(value) jvalue p; p.j = (jlong) (value); JVMCIObject box = JVMCIENV->create_box(T_LONG, &p, JVMCI_CHECK_NULL); return box.as_jobject();
203 #define RETURN_BOXED_DOUBLE(value) jvalue p; p.d = (jdouble) (value); JVMCIObject box = JVMCIENV->create_box(T_DOUBLE, &p, JVMCI_CHECK_NULL); return box.as_jobject();
204 JVMCIObject name = JVMCIENV->wrap(name_handle);
205 if (name.is_null()) {
206 JVMCI_THROW_NULL(NullPointerException);
207 }
208 const char* cstring = JVMCIENV->as_utf8_string(name);
209 const JVMFlag* flag = JVMFlag::find_declared_flag(cstring);
210 if (flag == NULL) {
211 return c2vm;
212 }
213 if (flag->is_bool()) {
214 jvalue prim;
215 prim.z = flag->get_bool();
216 JVMCIObject box = JVMCIENV->create_box(T_BOOLEAN, &prim, JVMCI_CHECK_NULL);
217 return JVMCIENV->get_jobject(box);
218 } else if (flag->is_ccstr()) {
219 JVMCIObject value = JVMCIENV->create_string(flag->get_ccstr(), JVMCI_CHECK_NULL);
220 return JVMCIENV->get_jobject(value);
221 } else if (flag->is_intx()) {
222 RETURN_BOXED_LONG(flag->get_intx());
223 } else if (flag->is_int()) {
224 RETURN_BOXED_LONG(flag->get_int());
225 } else if (flag->is_uint()) {
226 RETURN_BOXED_LONG(flag->get_uint());
227 } else if (flag->is_uint64_t()) {
228 RETURN_BOXED_LONG(flag->get_uint64_t());
229 } else if (flag->is_size_t()) {
230 RETURN_BOXED_LONG(flag->get_size_t());
231 } else if (flag->is_uintx()) {
232 RETURN_BOXED_LONG(flag->get_uintx());
233 } else if (flag->is_double()) {
234 RETURN_BOXED_DOUBLE(flag->get_double());
235 } else {
236 JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type);
237 }
238 #undef RETURN_BOXED_LONG
239 #undef RETURN_BOXED_DOUBLE
240 C2V_END
241
242 C2V_VMENTRY_NULL(jobject, getObjectAtAddress, (JNIEnv* env, jobject c2vm, jlong oop_address))
243 requireInHotSpot("getObjectAtAddress", JVMCI_CHECK_NULL);
244 if (oop_address == 0) {
245 JVMCI_THROW_MSG_NULL(InternalError, "Handle must be non-zero");
246 }
247 oop obj = *((oopDesc**) oop_address);
248 if (obj != NULL) {
249 oopDesc::verify(obj);
250 }
251 return JNIHandles::make_local(obj);
252 C2V_END
253
254 C2V_VMENTRY_NULL(jbyteArray, getBytecode, (JNIEnv* env, jobject, jobject jvmci_method))
255 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
256
257 int code_size = method->code_size();
258 jbyte* reconstituted_code = NEW_RESOURCE_ARRAY(jbyte, code_size);
259
260 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten");
261 // iterate over all bytecodes and replace non-Java bytecodes
262
263 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) {
264 Bytecodes::Code code = s.code();
265 Bytecodes::Code raw_code = s.raw_code();
266 int bci = s.bci();
267 int len = s.instruction_size();
268
269 // Restore original byte code.
270 reconstituted_code[bci] = (jbyte) (s.is_wide()? Bytecodes::_wide : code);
271 if (len > 1) {
272 memcpy(reconstituted_code + (bci + 1), s.bcp()+1, len-1);
273 }
274
275 if (len > 1) {
276 // Restore the big-endian constant pool indexes.
277 // Cf. Rewriter::scan_method
278 switch (code) {
279 case Bytecodes::_getstatic:
280 case Bytecodes::_putstatic:
281 case Bytecodes::_getfield:
282 case Bytecodes::_putfield:
283 case Bytecodes::_invokevirtual:
284 case Bytecodes::_invokespecial:
285 case Bytecodes::_invokestatic:
286 case Bytecodes::_invokeinterface:
287 case Bytecodes::_invokehandle: {
288 int cp_index = Bytes::get_native_u2((address) reconstituted_code + (bci + 1));
289 Bytes::put_Java_u2((address) reconstituted_code + (bci + 1), (u2) cp_index);
290 break;
291 }
292
293 case Bytecodes::_invokedynamic: {
294 int cp_index = Bytes::get_native_u4((address) reconstituted_code + (bci + 1));
295 Bytes::put_Java_u4((address) reconstituted_code + (bci + 1), (u4) cp_index);
296 break;
297 }
298
299 default:
300 break;
301 }
302
303 // Not all ldc byte code are rewritten.
304 switch (raw_code) {
305 case Bytecodes::_fast_aldc: {
306 int cpc_index = reconstituted_code[bci + 1] & 0xff;
307 int cp_index = method->constants()->object_to_cp_index(cpc_index);
308 assert(cp_index < method->constants()->length(), "sanity check");
309 reconstituted_code[bci + 1] = (jbyte) cp_index;
310 break;
311 }
312
313 case Bytecodes::_fast_aldc_w: {
314 int cpc_index = Bytes::get_native_u2((address) reconstituted_code + (bci + 1));
315 int cp_index = method->constants()->object_to_cp_index(cpc_index);
316 assert(cp_index < method->constants()->length(), "sanity check");
317 Bytes::put_Java_u2((address) reconstituted_code + (bci + 1), (u2) cp_index);
318 break;
319 }
320
321 default:
322 break;
323 }
324 }
325 }
326
327 JVMCIPrimitiveArray result = JVMCIENV->new_byteArray(code_size, JVMCI_CHECK_NULL);
328 JVMCIENV->copy_bytes_from(reconstituted_code, result, 0, code_size);
329 return JVMCIENV->get_jbyteArray(result);
330 C2V_END
331
332 C2V_VMENTRY_0(jint, getExceptionTableLength, (JNIEnv* env, jobject, jobject jvmci_method))
333 Method* method = JVMCIENV->asMethod(jvmci_method);
334 return method->exception_table_length();
335 C2V_END
336
337 C2V_VMENTRY_0(jlong, getExceptionTableStart, (JNIEnv* env, jobject, jobject jvmci_method))
338 Method* method = JVMCIENV->asMethod(jvmci_method);
339 if (method->exception_table_length() == 0) {
340 return 0L;
341 }
342 return (jlong) (address) method->exception_table_start();
343 C2V_END
344
345 C2V_VMENTRY_NULL(jobject, asResolvedJavaMethod, (JNIEnv* env, jobject, jobject executable_handle))
346 requireInHotSpot("asResolvedJavaMethod", JVMCI_CHECK_NULL);
347 oop executable = JNIHandles::resolve(executable_handle);
348 oop mirror = NULL;
349 int slot = 0;
350
351 if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) {
352 mirror = java_lang_reflect_Constructor::clazz(executable);
353 slot = java_lang_reflect_Constructor::slot(executable);
354 } else {
355 assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type");
356 mirror = java_lang_reflect_Method::clazz(executable);
357 slot = java_lang_reflect_Method::slot(executable);
358 }
359 Klass* holder = java_lang_Class::as_Klass(mirror);
360 methodHandle method (THREAD, InstanceKlass::cast(holder)->method_with_idnum(slot));
361 JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL);
362 return JVMCIENV->get_jobject(result);
363 }
364
365 C2V_VMENTRY_NULL(jobject, getResolvedJavaMethod, (JNIEnv* env, jobject, jobject base, jlong offset))
366 Method* method;
367 JVMCIObject base_object = JVMCIENV->wrap(base);
368 if (base_object.is_null()) {
369 method = *((Method**)(offset));
370 } else if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) {
371 Handle obj = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL);
372 if (obj->is_a(SystemDictionary::ResolvedMethodName_klass())) {
373 method = (Method*) (intptr_t) obj->long_field(offset);
374 } else {
375 JVMCI_THROW_MSG_NULL(IllegalArgumentException, err_msg("Unexpected type: %s", obj->klass()->external_name()));
376 }
377 } else if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(base_object)) {
378 method = JVMCIENV->asMethod(base_object);
379 }
380 if (method == NULL) {
381 JVMCI_THROW_MSG_NULL(IllegalArgumentException, err_msg("Unexpected type: %s", JVMCIENV->klass_name(base_object)));
382 }
383 assert (method->is_method(), "invalid read");
384 JVMCIObject result = JVMCIENV->get_jvmci_method(methodHandle(THREAD, method), JVMCI_CHECK_NULL);
385 return JVMCIENV->get_jobject(result);
386 }
387
388 C2V_VMENTRY_NULL(jobject, getConstantPool, (JNIEnv* env, jobject, jobject object_handle))
389 ConstantPool* cp = NULL;
390 JVMCIObject object = JVMCIENV->wrap(object_handle);
391 if (object.is_null()) {
392 JVMCI_THROW_NULL(NullPointerException);
393 }
394 if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(object)) {
395 cp = JVMCIENV->asMethod(object)->constMethod()->constants();
396 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(object)) {
397 cp = InstanceKlass::cast(JVMCIENV->asKlass(object))->constants();
398 } else {
399 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
400 err_msg("Unexpected type: %s", JVMCIENV->klass_name(object)));
401 }
402 assert(cp != NULL, "npe");
403
404 JVMCIObject result = JVMCIENV->get_jvmci_constant_pool(constantPoolHandle(THREAD, cp), JVMCI_CHECK_NULL);
405 return JVMCIENV->get_jobject(result);
406 }
407
408 C2V_VMENTRY_NULL(jobject, getResolvedJavaType0, (JNIEnv* env, jobject, jobject base, jlong offset, jboolean compressed))
409 JVMCIKlassHandle klass(THREAD);
410 JVMCIObject base_object = JVMCIENV->wrap(base);
411 jlong base_address = 0;
412 if (base_object.is_non_null() && offset == oopDesc::klass_offset_in_bytes()) {
413 // klass = JVMCIENV->unhandle(base_object)->klass();
414 if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) {
415 Handle base_oop = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL);
416 klass = base_oop->klass();
417 } else {
418 assert(false, "What types are we actually expecting here?");
419 }
420 } else if (!compressed) {
421 if (base_object.is_non_null()) {
422 if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(base_object)) {
423 base_address = (intptr_t) JVMCIENV->asMethod(base_object);
424 } else if (JVMCIENV->isa_HotSpotConstantPool(base_object)) {
425 base_address = (intptr_t) JVMCIENV->asConstantPool(base_object);
426 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base_object)) {
427 base_address = (intptr_t) JVMCIENV->asKlass(base_object);
428 } else if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) {
429 Handle base_oop = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL);
430 if (base_oop->is_a(SystemDictionary::Class_klass())) {
431 base_address = (jlong) (address) base_oop();
432 }
433 }
434 if (base_address == 0) {
435 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
436 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", JVMCIENV->klass_name(base_object), offset, compressed ? "true" : "false"));
437 }
438 }
439 klass = *((Klass**) (intptr_t) (base_address + offset));
440 } else {
441 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
442 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s",
443 base_object.is_non_null() ? JVMCIENV->klass_name(base_object) : "null",
444 offset, compressed ? "true" : "false"));
445 }
446 assert (klass == NULL || klass->is_klass(), "invalid read");
447 JVMCIObject result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
448 return JVMCIENV->get_jobject(result);
449 }
450
451 C2V_VMENTRY_NULL(jobject, findUniqueConcreteMethod, (JNIEnv* env, jobject, jobject jvmci_type, jobject jvmci_method))
452 methodHandle method (THREAD, JVMCIENV->asMethod(jvmci_method));
453 Klass* holder = JVMCIENV->asKlass(jvmci_type);
454 if (holder->is_interface()) {
455 JVMCI_THROW_MSG_NULL(InternalError, err_msg("Interface %s should be handled in Java code", holder->external_name()));
456 }
457 if (method->can_be_statically_bound()) {
458 JVMCI_THROW_MSG_NULL(InternalError, err_msg("Effectively static method %s.%s should be handled in Java code", method->method_holder()->external_name(), method->external_name()));
459 }
460
461 methodHandle ucm;
462 {
463 MutexLocker locker(Compile_lock);
464 ucm = methodHandle(THREAD, Dependencies::find_unique_concrete_method(holder, method()));
465 }
466 JVMCIObject result = JVMCIENV->get_jvmci_method(ucm, JVMCI_CHECK_NULL);
467 return JVMCIENV->get_jobject(result);
468 C2V_END
469
470 C2V_VMENTRY_NULL(jobject, getImplementor, (JNIEnv* env, jobject, jobject jvmci_type))
471 Klass* klass = JVMCIENV->asKlass(jvmci_type);
472 if (!klass->is_interface()) {
473 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
474 err_msg("Expected interface type, got %s", klass->external_name()));
475 }
476 InstanceKlass* iklass = InstanceKlass::cast(klass);
477 JVMCIKlassHandle handle(THREAD);
478 {
479 // Need Compile_lock around implementor()
480 MutexLocker locker(Compile_lock);
481 handle = iklass->implementor();
482 }
483 JVMCIObject implementor = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL);
484 return JVMCIENV->get_jobject(implementor);
485 C2V_END
486
487 C2V_VMENTRY_0(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv* env, jobject, jobject jvmci_method))
488 Method* method = JVMCIENV->asMethod(jvmci_method);
489 return method->is_ignored_by_security_stack_walk();
490 C2V_END
491
492 C2V_VMENTRY_0(jboolean, isCompilable,(JNIEnv* env, jobject, jobject jvmci_method))
493 Method* method = JVMCIENV->asMethod(jvmci_method);
494 ConstantPool* cp = method->constMethod()->constants();
495 assert(cp != NULL, "npe");
496 // don't inline method when constant pool contains a CONSTANT_Dynamic
497 return !method->is_not_compilable(CompLevel_full_optimization) && !cp->has_dynamic_constant();
498 C2V_END
499
500 C2V_VMENTRY_0(jboolean, hasNeverInlineDirective,(JNIEnv* env, jobject, jobject jvmci_method))
501 methodHandle method (THREAD, JVMCIENV->asMethod(jvmci_method));
502 return !Inline || CompilerOracle::should_not_inline(method) || method->dont_inline();
503 C2V_END
504
505 C2V_VMENTRY_0(jboolean, shouldInlineMethod,(JNIEnv* env, jobject, jobject jvmci_method))
506 methodHandle method (THREAD, JVMCIENV->asMethod(jvmci_method));
507 return CompilerOracle::should_inline(method) || method->force_inline();
508 C2V_END
509
510 C2V_VMENTRY_NULL(jobject, lookupType, (JNIEnv* env, jobject, jstring jname, jclass accessing_class, jboolean resolve))
511 JVMCIObject name = JVMCIENV->wrap(jname);
512 const char* str = JVMCIENV->as_utf8_string(name);
513 TempNewSymbol class_name = SymbolTable::new_symbol(str);
514
515 if (class_name->utf8_length() <= 1) {
516 JVMCI_THROW_MSG_0(InternalError, err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string()));
517 }
518
519 JVMCIKlassHandle resolved_klass(THREAD);
520 Klass* accessing_klass = NULL;
521 Handle class_loader;
522 Handle protection_domain;
523 if (accessing_class != NULL) {
524 accessing_klass = JVMCIENV->asKlass(accessing_class);
525 class_loader = Handle(THREAD, accessing_klass->class_loader());
526 protection_domain = Handle(THREAD, accessing_klass->protection_domain());
527 } else {
528 // Use the System class loader
529 class_loader = Handle(THREAD, SystemDictionary::java_system_loader());
530 JVMCIENV->runtime()->initialize(JVMCIENV);
531 }
532
533 if (resolve) {
534 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0);
535 if (resolved_klass == NULL) {
536 JVMCI_THROW_MSG_NULL(ClassNotFoundException, str);
537 }
538 } else {
539 if (class_name->char_at(0) == JVM_SIGNATURE_CLASS &&
540 class_name->char_at(class_name->utf8_length()-1) == JVM_SIGNATURE_ENDCLASS) {
541 // This is a name from a signature. Strip off the trimmings.
542 // Call recursive to keep scope of strippedsym.
543 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1,
544 class_name->utf8_length()-2);
545 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0);
546 } else if (FieldType::is_array(class_name)) {
547 FieldArrayInfo fd;
548 // dimension and object_key in FieldArrayInfo are assigned as a side-effect
549 // of this call
550 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0);
551 if (t == T_OBJECT) {
552 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(),
553 class_name->utf8_length()-2-fd.dimension());
554 resolved_klass = SystemDictionary::find(strippedsym,
555 class_loader,
556 protection_domain,
557 CHECK_0);
558 if (!resolved_klass.is_null()) {
559 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0);
560 }
561 } else {
562 resolved_klass = TypeArrayKlass::cast(Universe::typeArrayKlassObj(t))->array_klass(fd.dimension(), CHECK_0);
563 }
564 } else {
565 resolved_klass = SystemDictionary::find(class_name, class_loader, protection_domain, CHECK_0);
566 }
567 }
568 JVMCIObject result = JVMCIENV->get_jvmci_type(resolved_klass, JVMCI_CHECK_NULL);
569 return JVMCIENV->get_jobject(result);
570 C2V_END
571
572 C2V_VMENTRY_NULL(jobject, getArrayType, (JNIEnv* env, jobject, jobject jvmci_type))
573 if (jvmci_type == NULL) {
574 JVMCI_THROW_0(NullPointerException);
575 }
576
577 JVMCIObject jvmci_type_object = JVMCIENV->wrap(jvmci_type);
578 JVMCIKlassHandle array_klass(THREAD);
579 if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(jvmci_type_object)) {
580 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(jvmci_type_object), JVMCI_CHECK_0);
581 if (type == T_VOID) {
582 return NULL;
583 }
584 array_klass = Universe::typeArrayKlassObj(type);
585 if (array_klass == NULL) {
586 JVMCI_THROW_MSG_NULL(InternalError, err_msg("No array klass for primitive type %s", type2name(type)));
587 }
588 } else {
589 Klass* klass = JVMCIENV->asKlass(jvmci_type);
590 if (klass == NULL) {
591 JVMCI_THROW_0(NullPointerException);
592 }
593 array_klass = klass->array_klass(CHECK_NULL);
594 }
595 JVMCIObject result = JVMCIENV->get_jvmci_type(array_klass, JVMCI_CHECK_NULL);
596 return JVMCIENV->get_jobject(result);
597 C2V_END
598
599 C2V_VMENTRY_NULL(jobject, lookupClass, (JNIEnv* env, jobject, jclass mirror))
600 requireInHotSpot("lookupClass", JVMCI_CHECK_NULL);
601 if (mirror == NULL) {
602 return NULL;
603 }
604 JVMCIKlassHandle klass(THREAD);
605 klass = java_lang_Class::as_Klass(JNIHandles::resolve(mirror));
606 if (klass == NULL) {
607 JVMCI_THROW_MSG_NULL(IllegalArgumentException, "Primitive classes are unsupported");
608 }
609 JVMCIObject result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
610 return JVMCIENV->get_jobject(result);
611 }
612
613 C2V_VMENTRY_NULL(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
614 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
615 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL);
616 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(result));
617 C2V_END
618
619 C2V_VMENTRY_0(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
620 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
621 return cp->name_and_type_ref_index_at(index);
622 C2V_END
623
624 C2V_VMENTRY_NULL(jobject, lookupNameInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint which))
625 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
626 JVMCIObject sym = JVMCIENV->create_string(cp->name_ref_at(which), JVMCI_CHECK_NULL);
627 return JVMCIENV->get_jobject(sym);
628 C2V_END
629
630 C2V_VMENTRY_NULL(jobject, lookupSignatureInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint which))
631 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
632 JVMCIObject sym = JVMCIENV->create_string(cp->signature_ref_at(which), JVMCI_CHECK_NULL);
633 return JVMCIENV->get_jobject(sym);
634 C2V_END
635
636 C2V_VMENTRY_0(jint, lookupKlassRefIndexInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
637 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
638 return cp->klass_ref_index_at(index);
639 C2V_END
640
641 C2V_VMENTRY_NULL(jobject, resolveTypeInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
642 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
643 Klass* klass = cp->klass_at(index, CHECK_NULL);
644 JVMCIKlassHandle resolved_klass(THREAD, klass);
645 if (resolved_klass->is_instance_klass()) {
646 InstanceKlass::cast(resolved_klass())->link_class(CHECK_NULL);
647 if (!InstanceKlass::cast(resolved_klass())->is_linked()) {
648 // link_class() should not return here if there is an issue.
649 JVMCI_THROW_MSG_NULL(InternalError, err_msg("Class %s must be linked", resolved_klass()->external_name()));
650 }
651 }
652 JVMCIObject klassObject = JVMCIENV->get_jvmci_type(resolved_klass, JVMCI_CHECK_NULL);
653 return JVMCIENV->get_jobject(klassObject);
654 C2V_END
655
656 C2V_VMENTRY_NULL(jobject, lookupKlassInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
657 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
658 Klass* loading_klass = cp->pool_holder();
659 bool is_accessible = false;
660 JVMCIKlassHandle klass(THREAD, JVMCIRuntime::get_klass_by_index(cp, index, is_accessible, loading_klass));
661 Symbol* symbol = NULL;
662 if (klass.is_null()) {
663 constantTag tag = cp->tag_at(index);
664 if (tag.is_klass()) {
665 // The klass has been inserted into the constant pool
666 // very recently.
667 klass = cp->resolved_klass_at(index);
668 } else if (tag.is_symbol()) {
669 symbol = cp->symbol_at(index);
670 } else {
671 assert(cp->tag_at(index).is_unresolved_klass(), "wrong tag");
672 symbol = cp->klass_name_at(index);
673 }
674 }
675 JVMCIObject result;
676 if (!klass.is_null()) {
677 result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
678 } else {
679 result = JVMCIENV->create_string(symbol, JVMCI_CHECK_NULL);
680 }
681 return JVMCIENV->get_jobject(result);
682 C2V_END
683
684 C2V_VMENTRY_NULL(jobject, lookupAppendixInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
685 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
686 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index);
687 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(appendix_oop));
688 C2V_END
689
690 C2V_VMENTRY_NULL(jobject, lookupMethodInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
691 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
692 InstanceKlass* pool_holder = cp->pool_holder();
693 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
694 methodHandle method(THREAD, JVMCIRuntime::get_method_by_index(cp, index, bc, pool_holder));
695 JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL);
696 return JVMCIENV->get_jobject(result);
697 C2V_END
698
699 C2V_VMENTRY_0(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
700 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
701 return cp->remap_instruction_operand_from_cache(index);
702 C2V_END
703
704 C2V_VMENTRY_NULL(jobject, resolveFieldInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jintArray info_handle))
705 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
706 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF);
707 fieldDescriptor fd;
708 methodHandle mh(THREAD, (jvmci_method != NULL) ? JVMCIENV->asMethod(jvmci_method) : NULL);
709 LinkInfo link_info(cp, index, mh, CHECK_0);
710 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0);
711 JVMCIPrimitiveArray info = JVMCIENV->wrap(info_handle);
712 if (info.is_null() || JVMCIENV->get_length(info) != 3) {
713 JVMCI_ERROR_NULL("info must not be null and have a length of 3");
714 }
715 JVMCIENV->put_int_at(info, 0, fd.access_flags().as_int());
716 JVMCIENV->put_int_at(info, 1, fd.offset());
717 JVMCIENV->put_int_at(info, 2, fd.index());
718 JVMCIKlassHandle handle(THREAD, fd.field_holder());
719 JVMCIObject field_holder = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL);
720 return JVMCIENV->get_jobject(field_holder);
721 C2V_END
722
723 C2V_VMENTRY_0(jint, getVtableIndexForInterfaceMethod, (JNIEnv* env, jobject, jobject jvmci_type, jobject jvmci_method))
724 Klass* klass = JVMCIENV->asKlass(jvmci_type);
725 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
726 if (klass->is_interface()) {
727 JVMCI_THROW_MSG_0(InternalError, err_msg("Interface %s should be handled in Java code", klass->external_name()));
728 }
729 if (!method->method_holder()->is_interface()) {
730 JVMCI_THROW_MSG_0(InternalError, err_msg("Method %s is not held by an interface, this case should be handled in Java code", method->name_and_sig_as_C_string()));
731 }
732 if (!klass->is_instance_klass()) {
733 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be instance klass", klass->external_name()));
734 }
735 if (!InstanceKlass::cast(klass)->is_linked()) {
736 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be linked", klass->external_name()));
737 }
738 return LinkResolver::vtable_index_of_interface_method(klass, method);
739 C2V_END
740
741 C2V_VMENTRY_NULL(jobject, resolveMethod, (JNIEnv* env, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type))
742 Klass* recv_klass = JVMCIENV->asKlass(receiver_jvmci_type);
743 Klass* caller_klass = JVMCIENV->asKlass(caller_jvmci_type);
744 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
745
746 Klass* resolved = method->method_holder();
747 Symbol* h_name = method->name();
748 Symbol* h_signature = method->signature();
749
750 if (MethodHandles::is_signature_polymorphic_method(method())) {
751 // Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case.
752 return NULL;
753 }
754
755 if (method->name() == vmSymbols::clone_name() &&
756 resolved == SystemDictionary::Object_klass() &&
757 recv_klass->is_array_klass()) {
758 // Resolution of the clone method on arrays always returns Object.clone even though that method
759 // has protected access. There's some trickery in the access checking to make this all work out
760 // so it's necessary to pass in the array class as the resolved class to properly trigger this.
761 // Otherwise it's impossible to resolve the array clone methods through JVMCI. See
762 // LinkResolver::check_method_accessability for the matching logic.
763 resolved = recv_klass;
764 }
765
766 LinkInfo link_info(resolved, h_name, h_signature, caller_klass);
767 Method* m = NULL;
768 // Only do exact lookup if receiver klass has been linked. Otherwise,
769 // the vtable has not been setup, and the LinkResolver will fail.
770 if (recv_klass->is_array_klass() ||
771 (InstanceKlass::cast(recv_klass)->is_linked() && !recv_klass->is_interface())) {
772 if (resolved->is_interface()) {
773 m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info);
774 } else {
775 m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info);
776 }
777 }
778
779 if (m == NULL) {
780 // Return NULL if there was a problem with lookup (uninitialized class, etc.)
781 return NULL;
782 }
783
784 JVMCIObject result = JVMCIENV->get_jvmci_method(methodHandle(THREAD, m), JVMCI_CHECK_NULL);
785 return JVMCIENV->get_jobject(result);
786 C2V_END
787
788 C2V_VMENTRY_0(jboolean, hasFinalizableSubclass,(JNIEnv* env, jobject, jobject jvmci_type))
789 Klass* klass = JVMCIENV->asKlass(jvmci_type);
790 assert(klass != NULL, "method must not be called for primitive types");
791 return Dependencies::find_finalizable_subclass(klass) != NULL;
792 C2V_END
793
794 C2V_VMENTRY_NULL(jobject, getClassInitializer, (JNIEnv* env, jobject, jobject jvmci_type))
795 Klass* klass = JVMCIENV->asKlass(jvmci_type);
796 if (!klass->is_instance_klass()) {
797 return NULL;
798 }
799 InstanceKlass* iklass = InstanceKlass::cast(klass);
800 methodHandle clinit(THREAD, iklass->class_initializer());
801 JVMCIObject result = JVMCIENV->get_jvmci_method(clinit, JVMCI_CHECK_NULL);
802 return JVMCIENV->get_jobject(result);
803 C2V_END
804
805 C2V_VMENTRY_0(jlong, getMaxCallTargetOffset, (JNIEnv* env, jobject, jlong addr))
806 address target_addr = (address) addr;
807 if (target_addr != 0x0) {
808 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int));
809 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int));
810 return MAX2(ABS(off_low), ABS(off_high));
811 }
812 return -1;
813 C2V_END
814
815 C2V_VMENTRY(void, setNotInlinableOrCompilable,(JNIEnv* env, jobject, jobject jvmci_method))
816 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
817 method->set_not_c1_compilable();
818 method->set_not_c2_compilable();
819 method->set_dont_inline(true);
820 C2V_END
821
822 C2V_VMENTRY_0(jint, installCode, (JNIEnv *env, jobject, jobject target, jobject compiled_code,
823 jobject installed_code, jlong failed_speculations_address, jbyteArray speculations_obj))
824 HandleMark hm;
825 JNIHandleMark jni_hm(thread);
826
827 JVMCIObject target_handle = JVMCIENV->wrap(target);
828 JVMCIObject compiled_code_handle = JVMCIENV->wrap(compiled_code);
829 CodeBlob* cb = NULL;
830 JVMCIObject installed_code_handle = JVMCIENV->wrap(installed_code);
831 JVMCIPrimitiveArray speculations_handle = JVMCIENV->wrap(speculations_obj);
832
833 int speculations_len = JVMCIENV->get_length(speculations_handle);
834 char* speculations = NEW_RESOURCE_ARRAY(char, speculations_len);
835 JVMCIENV->copy_bytes_to(speculations_handle, (jbyte*) speculations, 0, speculations_len);
836
837 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK_JNI_ERR);
838
839 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer());
840 bool is_immutable_PIC = JVMCIENV->get_HotSpotCompiledCode_isImmutablePIC(compiled_code_handle) > 0;
841
842 CodeInstaller installer(JVMCIENV, is_immutable_PIC);
843 JVMCI::CodeInstallResult result = installer.install(compiler,
844 target_handle,
845 compiled_code_handle,
846 cb,
847 installed_code_handle,
848 (FailedSpeculation**)(address) failed_speculations_address,
849 speculations,
850 speculations_len,
851 JVMCI_CHECK_0);
852
853 if (PrintCodeCacheOnCompilation) {
854 stringStream s;
855 // Dump code cache into a buffer before locking the tty,
856 {
857 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
858 CodeCache::print_summary(&s, false);
859 }
860 ttyLocker ttyl;
861 tty->print_raw_cr(s.as_string());
862 }
863
864 if (result != JVMCI::ok) {
865 assert(cb == NULL, "should be");
866 } else {
867 if (installed_code_handle.is_non_null()) {
868 if (cb->is_nmethod()) {
869 assert(JVMCIENV->isa_HotSpotNmethod(installed_code_handle), "wrong type");
870 // Clear the link to an old nmethod first
871 JVMCIObject nmethod_mirror = installed_code_handle;
872 JVMCIENV->invalidate_nmethod_mirror(nmethod_mirror, JVMCI_CHECK_0);
873 } else {
874 assert(JVMCIENV->isa_InstalledCode(installed_code_handle), "wrong type");
875 }
876 // Initialize the link to the new code blob
877 JVMCIENV->initialize_installed_code(installed_code_handle, cb, JVMCI_CHECK_0);
878 }
879 }
880 return result;
881 C2V_END
882
883 C2V_VMENTRY_0(jint, getMetadata, (JNIEnv *env, jobject, jobject target, jobject compiled_code, jobject metadata))
884 #if INCLUDE_AOT
885 HandleMark hm;
886 assert(JVMCIENV->is_hotspot(), "AOT code is executed only in HotSpot mode");
887
888 JVMCIObject target_handle = JVMCIENV->wrap(target);
889 JVMCIObject compiled_code_handle = JVMCIENV->wrap(compiled_code);
890 JVMCIObject metadata_handle = JVMCIENV->wrap(metadata);
891
892 CodeMetadata code_metadata;
893
894 CodeInstaller installer(JVMCIENV, true /* immutable PIC compilation */);
895 JVMCI::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, JVMCI_CHECK_0);
896 if (result != JVMCI::ok) {
897 return result;
898 }
899
900 if (code_metadata.get_nr_pc_desc() > 0) {
901 int size = sizeof(PcDesc) * code_metadata.get_nr_pc_desc();
902 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
903 JVMCIENV->copy_bytes_from((jbyte*) code_metadata.get_pc_desc(), array, 0, size);
904 HotSpotJVMCI::HotSpotMetaData::set_pcDescBytes(JVMCIENV, metadata_handle, array);
905 }
906
907 if (code_metadata.get_scopes_size() > 0) {
908 int size = code_metadata.get_scopes_size();
909 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
910 JVMCIENV->copy_bytes_from((jbyte*) code_metadata.get_scopes_desc(), array, 0, size);
911 HotSpotJVMCI::HotSpotMetaData::set_scopesDescBytes(JVMCIENV, metadata_handle, array);
912 }
913
914 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer();
915 int size = (int) reloc_buffer->size();
916 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
917 JVMCIENV->copy_bytes_from((jbyte*) reloc_buffer->begin(), array, 0, size);
918 HotSpotJVMCI::HotSpotMetaData::set_relocBytes(JVMCIENV, metadata_handle, array);
919
920 const OopMapSet* oopMapSet = installer.oopMapSet();
921 {
922 ResourceMark mark;
923 ImmutableOopMapBuilder builder(oopMapSet);
924 int size = builder.heap_size();
925 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full));
926 builder.generate_into((address) HotSpotJVMCI::resolve(array)->byte_at_addr(0));
927 HotSpotJVMCI::HotSpotMetaData::set_oopMaps(JVMCIENV, metadata_handle, array);
928 }
929
930 AOTOopRecorder* recorder = code_metadata.get_oop_recorder();
931
932 int nr_meta_refs = recorder->nr_meta_refs();
933 JVMCIObjectArray metadataArray = JVMCIENV->new_Object_array(nr_meta_refs, JVMCI_CHECK_(JVMCI::cache_full));
934 for (int i = 0; i < nr_meta_refs; ++i) {
935 jobject element = recorder->meta_element(i);
936 if (element == NULL) {
937 return JVMCI::cache_full;
938 }
939 JVMCIENV->put_object_at(metadataArray, i, JVMCIENV->wrap(element));
940 }
941 HotSpotJVMCI::HotSpotMetaData::set_metadata(JVMCIENV, metadata_handle, metadataArray);
942
943 ExceptionHandlerTable* handler = code_metadata.get_exception_table();
944 int table_size = handler->size_in_bytes();
945 JVMCIPrimitiveArray exceptionArray = JVMCIENV->new_byteArray(table_size, JVMCI_CHECK_(JVMCI::cache_full));
946 if (table_size > 0) {
947 handler->copy_bytes_to((address) HotSpotJVMCI::resolve(exceptionArray)->byte_at_addr(0));
948 }
949 HotSpotJVMCI::HotSpotMetaData::set_exceptionBytes(JVMCIENV, metadata_handle, exceptionArray);
950
951 ImplicitExceptionTable* implicit = code_metadata.get_implicit_exception_table();
952 int implicit_table_size = implicit->size_in_bytes();
953 JVMCIPrimitiveArray implicitExceptionArray = JVMCIENV->new_byteArray(implicit_table_size, JVMCI_CHECK_(JVMCI::cache_full));
954 if (implicit_table_size > 0) {
955 implicit->copy_bytes_to((address) HotSpotJVMCI::resolve(implicitExceptionArray)->byte_at_addr(0), implicit_table_size);
956 }
957 HotSpotJVMCI::HotSpotMetaData::set_implicitExceptionBytes(JVMCIENV, metadata_handle, implicitExceptionArray);
958
959 return result;
960 #else
961 JVMCI_THROW_MSG_0(InternalError, "unimplemented");
962 #endif
963 C2V_END
964
965 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv* env, jobject))
966 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK);
967 CompilerStatistics* stats = compiler->stats();
968 stats->_standard.reset();
969 stats->_osr.reset();
970 C2V_END
971
972 C2V_VMENTRY_NULL(jobject, disassembleCodeBlob, (JNIEnv* env, jobject, jobject installedCode))
973 HandleMark hm;
974
975 if (installedCode == NULL) {
976 JVMCI_THROW_MSG_NULL(NullPointerException, "installedCode is null");
977 }
978
979 JVMCIObject installedCodeObject = JVMCIENV->wrap(installedCode);
980 CodeBlob* cb = JVMCIENV->asCodeBlob(installedCodeObject);
981 if (cb == NULL) {
982 return NULL;
983 }
984
985 // We don't want the stringStream buffer to resize during disassembly as it
986 // uses scoped resource memory. If a nested function called during disassembly uses
987 // a ResourceMark and the buffer expands within the scope of the mark,
988 // the buffer becomes garbage when that scope is exited. Experience shows that
989 // the disassembled code is typically about 10x the code size so a fixed buffer
990 // sized to 20x code size plus a fixed amount for header info should be sufficient.
991 int bufferSize = cb->code_size() * 20 + 1024;
992 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize);
993 stringStream st(buffer, bufferSize);
994 if (cb->is_nmethod()) {
995 nmethod* nm = (nmethod*) cb;
996 if (!nm->is_alive()) {
997 return NULL;
998 }
999 }
1000 Disassembler::decode(cb, &st);
1001 if (st.size() <= 0) {
1002 return NULL;
1003 }
1004
1005 JVMCIObject result = JVMCIENV->create_string(st.as_string(), JVMCI_CHECK_NULL);
1006 return JVMCIENV->get_jobject(result);
1007 C2V_END
1008
1009 C2V_VMENTRY_NULL(jobject, getStackTraceElement, (JNIEnv* env, jobject, jobject jvmci_method, int bci))
1010 HandleMark hm;
1011
1012 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
1013 JVMCIObject element = JVMCIENV->new_StackTraceElement(method, bci, JVMCI_CHECK_NULL);
1014 return JVMCIENV->get_jobject(element);
1015 C2V_END
1016
1017 C2V_VMENTRY_NULL(jobject, executeHotSpotNmethod, (JNIEnv* env, jobject, jobject args, jobject hs_nmethod))
1018 // The incoming arguments array would have to contain JavaConstants instead of regular objects
1019 // and the return value would have to be wrapped as a JavaConstant.
1020 requireInHotSpot("executeHotSpotNmethod", JVMCI_CHECK_NULL);
1021
1022 HandleMark hm;
1023
1024 JVMCIObject nmethod_mirror = JVMCIENV->wrap(hs_nmethod);
1025 nmethod* nm = JVMCIENV->asNmethod(nmethod_mirror);
1026 if (nm == NULL) {
1027 JVMCI_THROW_NULL(InvalidInstalledCodeException);
1028 }
1029 methodHandle mh(THREAD, nm->method());
1030 Symbol* signature = mh->signature();
1031 JavaCallArguments jca(mh->size_of_parameters());
1032
1033 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
1034 JavaValue result(jap.get_ret_type());
1035 jca.set_alternative_target(nm);
1036 JavaCalls::call(&result, mh, &jca, CHECK_NULL);
1037
1038 if (jap.get_ret_type() == T_VOID) {
1039 return NULL;
1040 } else if (is_reference_type(jap.get_ret_type())) {
1041 return JNIHandles::make_local((oop) result.get_jobject());
1042 } else {
1043 jvalue *value = (jvalue *) result.get_value_addr();
1044 // Narrow the value down if required (Important on big endian machines)
1045 switch (jap.get_ret_type()) {
1046 case T_BOOLEAN:
1047 value->z = (jboolean) value->i;
1048 break;
1049 case T_BYTE:
1050 value->b = (jbyte) value->i;
1051 break;
1052 case T_CHAR:
1053 value->c = (jchar) value->i;
1054 break;
1055 case T_SHORT:
1056 value->s = (jshort) value->i;
1057 break;
1058 default:
1059 break;
1060 }
1061 JVMCIObject o = JVMCIENV->create_box(jap.get_ret_type(), value, JVMCI_CHECK_NULL);
1062 return JVMCIENV->get_jobject(o);
1063 }
1064 C2V_END
1065
1066 C2V_VMENTRY_NULL(jlongArray, getLineNumberTable, (JNIEnv* env, jobject, jobject jvmci_method))
1067 Method* method = JVMCIENV->asMethod(jvmci_method);
1068 if (!method->has_linenumber_table()) {
1069 return NULL;
1070 }
1071 u2 num_entries = 0;
1072 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
1073 while (streamForSize.read_pair()) {
1074 num_entries++;
1075 }
1076
1077 CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
1078 JVMCIPrimitiveArray result = JVMCIENV->new_longArray(2 * num_entries, JVMCI_CHECK_NULL);
1079
1080 int i = 0;
1081 jlong value;
1082 while (stream.read_pair()) {
1083 value = ((long) stream.bci());
1084 JVMCIENV->put_long_at(result, i, value);
1085 value = ((long) stream.line());
1086 JVMCIENV->put_long_at(result, i + 1, value);
1087 i += 2;
1088 }
1089
1090 return (jlongArray) JVMCIENV->get_jobject(result);
1091 C2V_END
1092
1093 C2V_VMENTRY_0(jlong, getLocalVariableTableStart, (JNIEnv* env, jobject, jobject jvmci_method))
1094 Method* method = JVMCIENV->asMethod(jvmci_method);
1095 if (!method->has_localvariable_table()) {
1096 return 0;
1097 }
1098 return (jlong) (address) method->localvariable_table_start();
1099 C2V_END
1100
1101 C2V_VMENTRY_0(jint, getLocalVariableTableLength, (JNIEnv* env, jobject, jobject jvmci_method))
1102 Method* method = JVMCIENV->asMethod(jvmci_method);
1103 return method->localvariable_table_length();
1104 C2V_END
1105
1106 C2V_VMENTRY(void, reprofile, (JNIEnv* env, jobject, jobject jvmci_method))
1107 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
1108 MethodCounters* mcs = method->method_counters();
1109 if (mcs != NULL) {
1110 mcs->clear_counters();
1111 }
1112 NOT_PRODUCT(method->set_compiled_invocation_count(0));
1113
1114 CompiledMethod* code = method->code();
1115 if (code != NULL) {
1116 code->make_not_entrant();
1117 }
1118
1119 MethodData* method_data = method->method_data();
1120 if (method_data == NULL) {
1121 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
1122 method_data = MethodData::allocate(loader_data, method, CHECK);
1123 method->set_method_data(method_data);
1124 } else {
1125 method_data->initialize();
1126 }
1127 C2V_END
1128
1129
1130 C2V_VMENTRY(void, invalidateHotSpotNmethod, (JNIEnv* env, jobject, jobject hs_nmethod))
1131 JVMCIObject nmethod_mirror = JVMCIENV->wrap(hs_nmethod);
1132 JVMCIENV->invalidate_nmethod_mirror(nmethod_mirror, JVMCI_CHECK);
1133 C2V_END
1134
1135 C2V_VMENTRY_NULL(jobject, readUncompressedOop, (JNIEnv* env, jobject, jlong addr))
1136 oop ret = RawAccess<>::oop_load((oop*)(address)addr);
1137 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(ret));
1138 C2V_END
1139
1140 C2V_VMENTRY_NULL(jlongArray, collectCounters, (JNIEnv* env, jobject))
1141 // Returns a zero length array if counters aren't enabled
1142 JVMCIPrimitiveArray array = JVMCIENV->new_longArray(JVMCICounterSize, JVMCI_CHECK_NULL);
1143 if (JVMCICounterSize > 0) {
1144 jlong* temp_array = NEW_RESOURCE_ARRAY(jlong, JVMCICounterSize);
1145 JavaThread::collect_counters(temp_array, JVMCICounterSize);
1146 JVMCIENV->copy_longs_from(temp_array, array, 0, JVMCICounterSize);
1147 }
1148 return (jlongArray) JVMCIENV->get_jobject(array);
1149 C2V_END
1150
1151 C2V_VMENTRY_0(jint, getCountersSize, (JNIEnv* env, jobject))
1152 return (jint) JVMCICounterSize;
1153 C2V_END
1154
1155 C2V_VMENTRY(void, setCountersSize, (JNIEnv* env, jobject, jint new_size))
1156 JavaThread::resize_all_jvmci_counters(new_size);
1157 C2V_END
1158
1159 C2V_VMENTRY_0(jint, allocateCompileId, (JNIEnv* env, jobject, jobject jvmci_method, int entry_bci))
1160 HandleMark hm;
1161 if (jvmci_method == NULL) {
1162 JVMCI_THROW_0(NullPointerException);
1163 }
1164 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
1165 if (entry_bci >= method->code_size() || entry_bci < -1) {
1166 JVMCI_THROW_MSG_0(IllegalArgumentException, err_msg("Unexpected bci %d", entry_bci));
1167 }
1168 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
1169 C2V_END
1170
1171
1172 C2V_VMENTRY_0(jboolean, isMature, (JNIEnv* env, jobject, jlong metaspace_method_data))
1173 MethodData* mdo = JVMCIENV->asMethodData(metaspace_method_data);
1174 return mdo != NULL && mdo->is_mature();
1175 C2V_END
1176
1177 C2V_VMENTRY_0(jboolean, hasCompiledCodeForOSR, (JNIEnv* env, jobject, jobject jvmci_method, int entry_bci, int comp_level))
1178 Method* method = JVMCIENV->asMethod(jvmci_method);
1179 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
1180 C2V_END
1181
1182 C2V_VMENTRY_NULL(jobject, getSymbol, (JNIEnv* env, jobject, jlong symbol))
1183 JVMCIObject sym = JVMCIENV->create_string((Symbol*)(address)symbol, JVMCI_CHECK_NULL);
1184 return JVMCIENV->get_jobject(sym);
1185 C2V_END
1186
1187 bool matches(jobjectArray methods, Method* method, JVMCIEnv* JVMCIENV) {
1188 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods);
1189
1190 for (int i = 0; i < methods_oop->length(); i++) {
1191 oop resolved = methods_oop->obj_at(i);
1192 if ((resolved->klass() == HotSpotJVMCI::HotSpotResolvedJavaMethodImpl::klass()) && HotSpotJVMCI::asMethod(JVMCIENV, resolved) == method) {
1193 return true;
1194 }
1195 }
1196 return false;
1197 }
1198
1199 void call_interface(JavaValue* result, Klass* spec_klass, Symbol* name, Symbol* signature, JavaCallArguments* args, TRAPS) {
1200 CallInfo callinfo;
1201 Handle receiver = args->receiver();
1202 Klass* recvrKlass = receiver.is_null() ? (Klass*)NULL : receiver->klass();
1203 LinkInfo link_info(spec_klass, name, signature);
1204 LinkResolver::resolve_interface_call(
1205 callinfo, receiver, recvrKlass, link_info, true, CHECK);
1206 methodHandle method(THREAD, callinfo.selected_method());
1207 assert(method.not_null(), "should have thrown exception");
1208
1209 // Invoke the method
1210 JavaCalls::call(result, method, args, CHECK);
1211 }
1212
1213 C2V_VMENTRY_NULL(jobject, iterateFrames, (JNIEnv* env, jobject compilerToVM, jobjectArray initial_methods, jobjectArray match_methods, jint initialSkip, jobject visitor_handle))
1214
1215 if (!thread->has_last_Java_frame()) {
1216 return NULL;
1217 }
1218 Handle visitor(THREAD, JNIHandles::resolve_non_null(visitor_handle));
1219
1220 requireInHotSpot("iterateFrames", JVMCI_CHECK_NULL);
1221
1222 HotSpotJVMCI::HotSpotStackFrameReference::klass()->initialize(CHECK_NULL);
1223 Handle frame_reference = HotSpotJVMCI::HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
1224
1225 StackFrameStream fst(thread);
1226 jobjectArray methods = initial_methods;
1227
1228 int frame_number = 0;
1229 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1230
1231 while (true) {
1232 // look for the given method
1233 bool realloc_called = false;
1234 while (true) {
1235 StackValueCollection* locals = NULL;
1236 if (vf->is_compiled_frame()) {
1237 // compiled method frame
1238 compiledVFrame* cvf = compiledVFrame::cast(vf);
1239 if (methods == NULL || matches(methods, cvf->method(), JVMCIENV)) {
1240 if (initialSkip > 0) {
1241 initialSkip--;
1242 } else {
1243 ScopeDesc* scope = cvf->scope();
1244 // native wrappers do not have a scope
1245 if (scope != NULL && scope->objects() != NULL) {
1246 GrowableArray<ScopeValue*>* objects;
1247 if (!realloc_called) {
1248 objects = scope->objects();
1249 } else {
1250 // some object might already have been re-allocated, only reallocate the non-allocated ones
1251 objects = new GrowableArray<ScopeValue*>(scope->objects()->length());
1252 for (int i = 0; i < scope->objects()->length(); i++) {
1253 ObjectValue* sv = (ObjectValue*) scope->objects()->at(i);
1254 if (sv->value().is_null()) {
1255 objects->append(sv);
1256 }
1257 }
1258 }
1259 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), fst.register_map(), objects, CHECK_NULL);
1260 Deoptimization::reassign_fields(fst.current(), fst.register_map(), objects, realloc_failures, false);
1261 realloc_called = true;
1262
1263 GrowableArray<ScopeValue*>* local_values = scope->locals();
1264 assert(local_values != NULL, "NULL locals");
1265 typeArrayOop array_oop = oopFactory::new_boolArray(local_values->length(), CHECK_NULL);
1266 typeArrayHandle array(THREAD, array_oop);
1267 for (int i = 0; i < local_values->length(); i++) {
1268 ScopeValue* value = local_values->at(i);
1269 if (value->is_object()) {
1270 array->bool_at_put(i, true);
1271 }
1272 }
1273 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), array());
1274 } else {
1275 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), NULL);
1276 }
1277
1278 locals = cvf->locals();
1279 HotSpotJVMCI::HotSpotStackFrameReference::set_bci(JVMCIENV, frame_reference(), cvf->bci());
1280 methodHandle mh(THREAD, cvf->method());
1281 JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL);
1282 HotSpotJVMCI::HotSpotStackFrameReference::set_method(JVMCIENV, frame_reference(), JNIHandles::resolve(method.as_jobject()));
1283 }
1284 }
1285 } else if (vf->is_interpreted_frame()) {
1286 // interpreted method frame
1287 interpretedVFrame* ivf = interpretedVFrame::cast(vf);
1288 if (methods == NULL || matches(methods, ivf->method(), JVMCIENV)) {
1289 if (initialSkip > 0) {
1290 initialSkip--;
1291 } else {
1292 locals = ivf->locals();
1293 HotSpotJVMCI::HotSpotStackFrameReference::set_bci(JVMCIENV, frame_reference(), ivf->bci());
1294 methodHandle mh(THREAD, ivf->method());
1295 JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL);
1296 HotSpotJVMCI::HotSpotStackFrameReference::set_method(JVMCIENV, frame_reference(), JNIHandles::resolve(method.as_jobject()));
1297 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), NULL);
1298 }
1299 }
1300 }
1301
1302 // locals != NULL means that we found a matching frame and result is already partially initialized
1303 if (locals != NULL) {
1304 methods = match_methods;
1305 HotSpotJVMCI::HotSpotStackFrameReference::set_compilerToVM(JVMCIENV, frame_reference(), JNIHandles::resolve(compilerToVM));
1306 HotSpotJVMCI::HotSpotStackFrameReference::set_stackPointer(JVMCIENV, frame_reference(), (jlong) fst.current()->sp());
1307 HotSpotJVMCI::HotSpotStackFrameReference::set_frameNumber(JVMCIENV, frame_reference(), frame_number);
1308
1309 // initialize the locals array
1310 objArrayOop array_oop = oopFactory::new_objectArray(locals->size(), CHECK_NULL);
1311 objArrayHandle array(THREAD, array_oop);
1312 for (int i = 0; i < locals->size(); i++) {
1313 StackValue* var = locals->at(i);
1314 if (var->type() == T_OBJECT) {
1315 array->obj_at_put(i, locals->at(i)->get_obj()());
1316 }
1317 }
1318 HotSpotJVMCI::HotSpotStackFrameReference::set_locals(JVMCIENV, frame_reference(), array());
1319 HotSpotJVMCI::HotSpotStackFrameReference::set_objectsMaterialized(JVMCIENV, frame_reference(), JNI_FALSE);
1320
1321 JavaValue result(T_OBJECT);
1322 JavaCallArguments args(visitor);
1323 args.push_oop(frame_reference);
1324 call_interface(&result, HotSpotJVMCI::InspectedFrameVisitor::klass(), vmSymbols::visitFrame_name(), vmSymbols::visitFrame_signature(), &args, CHECK_NULL);
1325 if (result.get_jobject() != NULL) {
1326 return JNIHandles::make_local(thread, (oop) result.get_jobject());
1327 }
1328 assert(initialSkip == 0, "There should be no match before initialSkip == 0");
1329 if (HotSpotJVMCI::HotSpotStackFrameReference::objectsMaterialized(JVMCIENV, frame_reference()) == JNI_TRUE) {
1330 // the frame has been deoptimized, we need to re-synchronize the frame and vframe
1331 intptr_t* stack_pointer = (intptr_t*) HotSpotJVMCI::HotSpotStackFrameReference::stackPointer(JVMCIENV, frame_reference());
1332 fst = StackFrameStream(thread);
1333 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1334 fst.next();
1335 }
1336 if (fst.current()->sp() != stack_pointer) {
1337 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1338 }
1339 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1340 if (!vf->is_compiled_frame()) {
1341 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1342 }
1343 for (int i = 0; i < frame_number; i++) {
1344 if (vf->is_top()) {
1345 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "vframe not found after deopt")
1346 }
1347 vf = vf->sender();
1348 assert(vf->is_compiled_frame(), "Wrong frame type");
1349 }
1350 }
1351 frame_reference = HotSpotJVMCI::HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
1352 HotSpotJVMCI::HotSpotStackFrameReference::klass()->initialize(CHECK_NULL);
1353 }
1354
1355 if (vf->is_top()) {
1356 break;
1357 }
1358 frame_number++;
1359 vf = vf->sender();
1360 } // end of vframe loop
1361
1362 if (fst.is_done()) {
1363 break;
1364 }
1365 fst.next();
1366 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1367 frame_number = 0;
1368 } // end of frame loop
1369
1370 // the end was reached without finding a matching method
1371 return NULL;
1372 C2V_END
1373
1374 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
1375 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
1376 CallInfo callInfo;
1377 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK);
1378 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index);
1379 cp_cache_entry->set_dynamic_call(cp, callInfo);
1380 C2V_END
1381
1382 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
1383 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
1384 Klass* holder = cp->klass_ref_at(index, CHECK);
1385 Symbol* name = cp->name_ref_at(index);
1386 if (MethodHandles::is_signature_polymorphic_name(holder, name)) {
1387 CallInfo callInfo;
1388 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK);
1389 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1390 cp_cache_entry->set_method_handle(cp, callInfo);
1391 }
1392 C2V_END
1393
1394 C2V_VMENTRY_0(jint, isResolvedInvokeHandleInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index))
1395 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool));
1396 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1397 if (cp_cache_entry->is_resolved(Bytecodes::_invokehandle)) {
1398 // MethodHandle.invoke* --> LambdaForm?
1399 ResourceMark rm;
1400
1401 LinkInfo link_info(cp, index, CATCH);
1402
1403 Klass* resolved_klass = link_info.resolved_klass();
1404
1405 Symbol* name_sym = cp->name_ref_at(index);
1406
1407 vmassert(MethodHandles::is_method_handle_invoke_name(resolved_klass, name_sym), "!");
1408 vmassert(MethodHandles::is_signature_polymorphic_name(resolved_klass, name_sym), "!");
1409
1410 methodHandle adapter_method(THREAD, cp_cache_entry->f1_as_method());
1411
1412 methodHandle resolved_method(adapter_method);
1413
1414 // Can we treat it as a regular invokevirtual?
1415 if (resolved_method->method_holder() == resolved_klass && resolved_method->name() == name_sym) {
1416 vmassert(!resolved_method->is_static(),"!");
1417 vmassert(MethodHandles::is_signature_polymorphic_method(resolved_method()),"!");
1418 vmassert(!MethodHandles::is_signature_polymorphic_static(resolved_method->intrinsic_id()), "!");
1419 vmassert(cp_cache_entry->appendix_if_resolved(cp) == NULL, "!");
1420
1421 methodHandle m(THREAD, LinkResolver::linktime_resolve_virtual_method_or_null(link_info));
1422 vmassert(m == resolved_method, "!!");
1423 return -1;
1424 }
1425
1426 return Bytecodes::_invokevirtual;
1427 }
1428 if (cp_cache_entry->is_resolved(Bytecodes::_invokedynamic)) {
1429 return Bytecodes::_invokedynamic;
1430 }
1431 return -1;
1432 C2V_END
1433
1434
1435 C2V_VMENTRY_NULL(jobject, getSignaturePolymorphicHolders, (JNIEnv* env, jobject))
1436 JVMCIObjectArray holders = JVMCIENV->new_String_array(2, JVMCI_CHECK_NULL);
1437 JVMCIObject mh = JVMCIENV->create_string("Ljava/lang/invoke/MethodHandle;", JVMCI_CHECK_NULL);
1438 JVMCIObject vh = JVMCIENV->create_string("Ljava/lang/invoke/VarHandle;", JVMCI_CHECK_NULL);
1439 JVMCIENV->put_object_at(holders, 0, mh);
1440 JVMCIENV->put_object_at(holders, 1, vh);
1441 return JVMCIENV->get_jobject(holders);
1442 C2V_END
1443
1444 C2V_VMENTRY_0(jboolean, shouldDebugNonSafepoints, (JNIEnv* env, jobject))
1445 //see compute_recording_non_safepoints in debugInfroRec.cpp
1446 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
1447 return true;
1448 }
1449 return DebugNonSafepoints;
1450 C2V_END
1451
1452 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate);
1453 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv* env, jobject, jobject _hs_frame, bool invalidate))
1454 JVMCIObject hs_frame = JVMCIENV->wrap(_hs_frame);
1455 if (hs_frame.is_null()) {
1456 JVMCI_THROW_MSG(NullPointerException, "stack frame is null");
1457 }
1458
1459 requireInHotSpot("materializeVirtualObjects", JVMCI_CHECK);
1460
1461 JVMCIENV->HotSpotStackFrameReference_initialize(JVMCI_CHECK);
1462
1463 // look for the given stack frame
1464 StackFrameStream fst(thread);
1465 intptr_t* stack_pointer = (intptr_t*) JVMCIENV->get_HotSpotStackFrameReference_stackPointer(hs_frame);
1466 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1467 fst.next();
1468 }
1469 if (fst.current()->sp() != stack_pointer) {
1470 JVMCI_THROW_MSG(IllegalStateException, "stack frame not found");
1471 }
1472
1473 if (invalidate) {
1474 if (!fst.current()->is_compiled_frame()) {
1475 JVMCI_THROW_MSG(IllegalStateException, "compiled stack frame expected");
1476 }
1477 assert(fst.current()->cb()->is_nmethod(), "nmethod expected");
1478 ((nmethod*) fst.current()->cb())->make_not_entrant();
1479 }
1480 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none);
1481 // look for the frame again as it has been updated by deopt (pc, deopt state...)
1482 StackFrameStream fstAfterDeopt(thread);
1483 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) {
1484 fstAfterDeopt.next();
1485 }
1486 if (fstAfterDeopt.current()->sp() != stack_pointer) {
1487 JVMCI_THROW_MSG(IllegalStateException, "stack frame not found after deopt");
1488 }
1489
1490 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
1491 if (!vf->is_compiled_frame()) {
1492 JVMCI_THROW_MSG(IllegalStateException, "compiled stack frame expected");
1493 }
1494
1495 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10);
1496 while (true) {
1497 assert(vf->is_compiled_frame(), "Wrong frame type");
1498 virtualFrames->push(compiledVFrame::cast(vf));
1499 if (vf->is_top()) {
1500 break;
1501 }
1502 vf = vf->sender();
1503 }
1504
1505 int last_frame_number = JVMCIENV->get_HotSpotStackFrameReference_frameNumber(hs_frame);
1506 if (last_frame_number >= virtualFrames->length()) {
1507 JVMCI_THROW_MSG(IllegalStateException, "invalid frame number");
1508 }
1509
1510 // Reallocate the non-escaping objects and restore their fields.
1511 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope");
1512 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
1513
1514 if (objects == NULL) {
1515 // no objects to materialize
1516 return;
1517 }
1518
1519 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, CHECK);
1520 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false);
1521
1522 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
1523 compiledVFrame* cvf = virtualFrames->at(frame_index);
1524
1525 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals();
1526 StackValueCollection* locals = cvf->locals();
1527 if (locals != NULL) {
1528 for (int i2 = 0; i2 < locals->size(); i2++) {
1529 StackValue* var = locals->at(i2);
1530 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) {
1531 jvalue val;
1532 val.l = (jobject) locals->at(i2)->get_obj()();
1533 cvf->update_local(T_OBJECT, i2, val);
1534 }
1535 }
1536 }
1537
1538 GrowableArray<ScopeValue*>* scopeExpressions = cvf->scope()->expressions();
1539 StackValueCollection* expressions = cvf->expressions();
1540 if (expressions != NULL) {
1541 for (int i2 = 0; i2 < expressions->size(); i2++) {
1542 StackValue* var = expressions->at(i2);
1543 if (var->type() == T_OBJECT && scopeExpressions->at(i2)->is_object()) {
1544 jvalue val;
1545 val.l = (jobject) expressions->at(i2)->get_obj()();
1546 cvf->update_stack(T_OBJECT, i2, val);
1547 }
1548 }
1549 }
1550
1551 GrowableArray<MonitorValue*>* scopeMonitors = cvf->scope()->monitors();
1552 GrowableArray<MonitorInfo*>* monitors = cvf->monitors();
1553 if (monitors != NULL) {
1554 for (int i2 = 0; i2 < monitors->length(); i2++) {
1555 cvf->update_monitor(i2, monitors->at(i2));
1556 }
1557 }
1558 }
1559
1560 // all locals are materialized by now
1561 JVMCIENV->set_HotSpotStackFrameReference_localIsVirtual(hs_frame, NULL);
1562 // update the locals array
1563 JVMCIObjectArray array = JVMCIENV->get_HotSpotStackFrameReference_locals(hs_frame);
1564 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals();
1565 for (int i = 0; i < locals->size(); i++) {
1566 StackValue* var = locals->at(i);
1567 if (var->type() == T_OBJECT) {
1568 JVMCIENV->put_object_at(array, i, HotSpotJVMCI::wrap(locals->at(i)->get_obj()()));
1569 }
1570 }
1571 HotSpotJVMCI::HotSpotStackFrameReference::set_objectsMaterialized(JVMCIENV, hs_frame, JNI_TRUE);
1572 C2V_END
1573
1574 // Creates a scope where the current thread is attached and detached
1575 // from HotSpot if it wasn't already attached when entering the scope.
1576 extern "C" void jio_printf(const char *fmt, ...);
1577 class AttachDetach : public StackObj {
1578 public:
1579 bool _attached;
1580 AttachDetach(JNIEnv* env, Thread* current_thread) {
1581 if (current_thread == NULL) {
1582 extern struct JavaVM_ main_vm;
1583 JNIEnv* hotspotEnv;
1584 jint res = main_vm.AttachCurrentThread((void**)&hotspotEnv, NULL);
1585 _attached = res == JNI_OK;
1586 static volatile int report_attach_error = 0;
1587 if (res != JNI_OK && report_attach_error == 0 && Atomic::cmpxchg(1, &report_attach_error, 0) == 0) {
1588 // Only report an attach error once
1589 jio_printf("Warning: attaching current thread to VM failed with %d (future attach errors are suppressed)\n", res);
1590 }
1591 } else {
1592 _attached = false;
1593 }
1594 }
1595 ~AttachDetach() {
1596 if (_attached && get_current_thread() != NULL) {
1597 extern struct JavaVM_ main_vm;
1598 jint res = main_vm.DetachCurrentThread();
1599 static volatile int report_detach_error = 0;
1600 if (res != JNI_OK && report_detach_error == 0 && Atomic::cmpxchg(1, &report_detach_error, 0) == 0) {
1601 // Only report an attach error once
1602 jio_printf("Warning: detaching current thread from VM failed with %d (future attach errors are suppressed)\n", res);
1603 }
1604 }
1605 }
1606 };
1607
1608 C2V_VMENTRY_PREFIX(jint, writeDebugOutput, (JNIEnv* env, jobject, jbyteArray bytes, jint offset, jint length, bool flush, bool can_throw))
1609 AttachDetach ad(env, base_thread);
1610 bool use_tty = true;
1611 if (base_thread == NULL) {
1612 if (!ad._attached) {
1613 // Can only use tty if the current thread is attached
1614 return 0;
1615 }
1616 base_thread = get_current_thread();
1617 }
1618 JVMCITraceMark jtm("writeDebugOutput");
1619 assert(base_thread->is_Java_thread(), "just checking");
1620 JavaThread* thread = (JavaThread*) base_thread;
1621 C2V_BLOCK(void, writeDebugOutput, (JNIEnv* env, jobject, jbyteArray bytes, jint offset, jint length))
1622 if (bytes == NULL) {
1623 if (can_throw) {
1624 JVMCI_THROW_0(NullPointerException);
1625 }
1626 return -1;
1627 }
1628 JVMCIPrimitiveArray array = JVMCIENV->wrap(bytes);
1629
1630 // Check if offset and length are non negative.
1631 if (offset < 0 || length < 0) {
1632 if (can_throw) {
1633 JVMCI_THROW_0(ArrayIndexOutOfBoundsException);
1634 }
1635 return -2;
1636 }
1637 // Check if the range is valid.
1638 int array_length = JVMCIENV->get_length(array);
1639 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array_length)) {
1640 if (can_throw) {
1641 JVMCI_THROW_0(ArrayIndexOutOfBoundsException);
1642 }
1643 return -2;
1644 }
1645 jbyte buffer[O_BUFLEN];
1646 while (length > 0) {
1647 int copy_len = MIN2(length, (jint)O_BUFLEN);
1648 JVMCIENV->copy_bytes_to(array, buffer, offset, copy_len);
1649 tty->write((char*) buffer, copy_len);
1650 length -= O_BUFLEN;
1651 offset += O_BUFLEN;
1652 }
1653 if (flush) {
1654 tty->flush();
1655 }
1656 return 0;
1657 C2V_END
1658
1659 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv* env, jobject))
1660 tty->flush();
1661 C2V_END
1662
1663 C2V_VMENTRY_0(jint, methodDataProfileDataSize, (JNIEnv* env, jobject, jlong metaspace_method_data, jint position))
1664 MethodData* mdo = JVMCIENV->asMethodData(metaspace_method_data);
1665 ProfileData* profile_data = mdo->data_at(position);
1666 if (mdo->is_valid(profile_data)) {
1667 return profile_data->size_in_bytes();
1668 }
1669 DataLayout* data = mdo->extra_data_base();
1670 DataLayout* end = mdo->extra_data_limit();
1671 for (;; data = mdo->next_extra(data)) {
1672 assert(data < end, "moved past end of extra data");
1673 profile_data = data->data_in();
1674 if (mdo->dp_to_di(profile_data->dp()) == position) {
1675 return profile_data->size_in_bytes();
1676 }
1677 }
1678 JVMCI_THROW_MSG_0(IllegalArgumentException, err_msg("Invalid profile data position %d", position));
1679 C2V_END
1680
1681 C2V_VMENTRY_0(jlong, getFingerprint, (JNIEnv* env, jobject, jlong metaspace_klass))
1682 #if INCLUDE_AOT
1683 Klass *k = (Klass*) (address) metaspace_klass;
1684 if (k->is_instance_klass()) {
1685 return InstanceKlass::cast(k)->get_stored_fingerprint();
1686 } else {
1687 return 0;
1688 }
1689 #else
1690 JVMCI_THROW_MSG_0(InternalError, "unimplemented");
1691 #endif
1692 C2V_END
1693
1694 C2V_VMENTRY_NULL(jobject, getHostClass, (JNIEnv* env, jobject, jobject jvmci_type))
1695 InstanceKlass* k = InstanceKlass::cast(JVMCIENV->asKlass(jvmci_type));
1696 InstanceKlass* host = k->unsafe_anonymous_host();
1697 JVMCIKlassHandle handle(THREAD, host);
1698 JVMCIObject result = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL);
1699 return JVMCIENV->get_jobject(result);
1700 C2V_END
1701
1702 C2V_VMENTRY_NULL(jobject, getInterfaces, (JNIEnv* env, jobject, jobject jvmci_type))
1703 if (jvmci_type == NULL) {
1704 JVMCI_THROW_0(NullPointerException);
1705 }
1706
1707 Klass* klass = JVMCIENV->asKlass(jvmci_type);
1708 if (klass == NULL) {
1709 JVMCI_THROW_0(NullPointerException);
1710 }
1711 if (!klass->is_instance_klass()) {
1712 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be instance klass", klass->external_name()));
1713 }
1714 InstanceKlass* iklass = InstanceKlass::cast(klass);
1715
1716 // Regular instance klass, fill in all local interfaces
1717 int size = iklass->local_interfaces()->length();
1718 JVMCIObjectArray interfaces = JVMCIENV->new_HotSpotResolvedObjectTypeImpl_array(size, JVMCI_CHECK_NULL);
1719 for (int index = 0; index < size; index++) {
1720 JVMCIKlassHandle klass(THREAD);
1721 Klass* k = iklass->local_interfaces()->at(index);
1722 klass = k;
1723 JVMCIObject type = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL);
1724 JVMCIENV->put_object_at(interfaces, index, type);
1725 }
1726 return JVMCIENV->get_jobject(interfaces);
1727 C2V_END
1728
1729 C2V_VMENTRY_NULL(jobject, getComponentType, (JNIEnv* env, jobject, jobject jvmci_type))
1730 if (jvmci_type == NULL) {
1731 JVMCI_THROW_0(NullPointerException);
1732 }
1733
1734 Klass* klass = JVMCIENV->asKlass(jvmci_type);
1735 oop mirror = klass->java_mirror();
1736 if (java_lang_Class::is_primitive(mirror) ||
1737 !java_lang_Class::as_Klass(mirror)->is_array_klass()) {
1738 return NULL;
1739 }
1740
1741 oop component_mirror = java_lang_Class::component_mirror(mirror);
1742 if (component_mirror == NULL) {
1743 return NULL;
1744 }
1745 Klass* component_klass = java_lang_Class::as_Klass(component_mirror);
1746 if (component_klass != NULL) {
1747 JVMCIKlassHandle klass_handle(THREAD);
1748 klass_handle = component_klass;
1749 JVMCIObject result = JVMCIENV->get_jvmci_type(klass_handle, JVMCI_CHECK_NULL);
1750 return JVMCIENV->get_jobject(result);
1751 }
1752 BasicType type = java_lang_Class::primitive_type(component_mirror);
1753 JVMCIObject result = JVMCIENV->get_jvmci_primitive_type(type);
1754 return JVMCIENV->get_jobject(result);
1755 C2V_END
1756
1757 C2V_VMENTRY(void, ensureInitialized, (JNIEnv* env, jobject, jobject jvmci_type))
1758 if (jvmci_type == NULL) {
1759 JVMCI_THROW(NullPointerException);
1760 }
1761
1762 Klass* klass = JVMCIENV->asKlass(jvmci_type);
1763 if (klass != NULL && klass->should_be_initialized()) {
1764 InstanceKlass* k = InstanceKlass::cast(klass);
1765 k->initialize(CHECK);
1766 }
1767 C2V_END
1768
1769 C2V_VMENTRY_0(jint, interpreterFrameSize, (JNIEnv* env, jobject, jobject bytecode_frame_handle))
1770 if (bytecode_frame_handle == NULL) {
1771 JVMCI_THROW_0(NullPointerException);
1772 }
1773
1774 JVMCIObject top_bytecode_frame = JVMCIENV->wrap(bytecode_frame_handle);
1775 JVMCIObject bytecode_frame = top_bytecode_frame;
1776 int size = 0;
1777 int callee_parameters = 0;
1778 int callee_locals = 0;
1779 Method* method = JVMCIENV->asMethod(JVMCIENV->get_BytecodePosition_method(bytecode_frame));
1780 int extra_args = method->max_stack() - JVMCIENV->get_BytecodeFrame_numStack(bytecode_frame);
1781
1782 while (bytecode_frame.is_non_null()) {
1783 int locks = JVMCIENV->get_BytecodeFrame_numLocks(bytecode_frame);
1784 int temps = JVMCIENV->get_BytecodeFrame_numStack(bytecode_frame);
1785 bool is_top_frame = (JVMCIENV->equals(bytecode_frame, top_bytecode_frame));
1786 Method* method = JVMCIENV->asMethod(JVMCIENV->get_BytecodePosition_method(bytecode_frame));
1787
1788 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(),
1789 temps + callee_parameters,
1790 extra_args,
1791 locks,
1792 callee_parameters,
1793 callee_locals,
1794 is_top_frame);
1795 size += frame_size;
1796
1797 callee_parameters = method->size_of_parameters();
1798 callee_locals = method->max_locals();
1799 extra_args = 0;
1800 bytecode_frame = JVMCIENV->get_BytecodePosition_caller(bytecode_frame);
1801 }
1802 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
1803 C2V_END
1804
1805 C2V_VMENTRY(void, compileToBytecode, (JNIEnv* env, jobject, jobject lambda_form_handle))
1806 Handle lambda_form = JVMCIENV->asConstant(JVMCIENV->wrap(lambda_form_handle), JVMCI_CHECK);
1807 if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) {
1808 TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode");
1809 JavaValue result(T_VOID);
1810 JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK);
1811 } else {
1812 JVMCI_THROW_MSG(IllegalArgumentException,
1813 err_msg("Unexpected type: %s", lambda_form->klass()->external_name()))
1814 }
1815 C2V_END
1816
1817 C2V_VMENTRY_0(jint, getIdentityHashCode, (JNIEnv* env, jobject, jobject object))
1818 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0);
1819 return obj->identity_hash();
1820 C2V_END
1821
1822 C2V_VMENTRY_0(jboolean, isInternedString, (JNIEnv* env, jobject, jobject object))
1823 Handle str = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0);
1824 if (!java_lang_String::is_instance(str())) {
1825 return false;
1826 }
1827 int len;
1828 jchar* name = java_lang_String::as_unicode_string(str(), len, CHECK_0);
1829 return (StringTable::lookup(name, len) != NULL);
1830 C2V_END
1831
1832
1833 C2V_VMENTRY_NULL(jobject, unboxPrimitive, (JNIEnv* env, jobject, jobject object))
1834 if (object == NULL) {
1835 JVMCI_THROW_0(NullPointerException);
1836 }
1837 Handle box = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL);
1838 BasicType type = java_lang_boxing_object::basic_type(box());
1839 jvalue result;
1840 if (java_lang_boxing_object::get_value(box(), &result) == T_ILLEGAL) {
1841 return NULL;
1842 }
1843 JVMCIObject boxResult = JVMCIENV->create_box(type, &result, JVMCI_CHECK_NULL);
1844 return JVMCIENV->get_jobject(boxResult);
1845 C2V_END
1846
1847 C2V_VMENTRY_NULL(jobject, boxPrimitive, (JNIEnv* env, jobject, jobject object))
1848 if (object == NULL) {
1849 JVMCI_THROW_0(NullPointerException);
1850 }
1851 JVMCIObject box = JVMCIENV->wrap(object);
1852 BasicType type = JVMCIENV->get_box_type(box);
1853 if (type == T_ILLEGAL) {
1854 return NULL;
1855 }
1856 jvalue value = JVMCIENV->get_boxed_value(type, box);
1857 JavaValue box_result(T_OBJECT);
1858 JavaCallArguments jargs;
1859 Klass* box_klass = NULL;
1860 Symbol* box_signature = NULL;
1861 #define BOX_CASE(bt, v, argtype, name) \
1862 case bt: \
1863 jargs.push_##argtype(value.v); \
1864 box_klass = SystemDictionary::name##_klass(); \
1865 box_signature = vmSymbols::name##_valueOf_signature(); \
1866 break
1867
1868 switch (type) {
1869 BOX_CASE(T_BOOLEAN, z, int, Boolean);
1870 BOX_CASE(T_BYTE, b, int, Byte);
1871 BOX_CASE(T_CHAR, c, int, Character);
1872 BOX_CASE(T_SHORT, s, int, Short);
1873 BOX_CASE(T_INT, i, int, Integer);
1874 BOX_CASE(T_LONG, j, long, Long);
1875 BOX_CASE(T_FLOAT, f, float, Float);
1876 BOX_CASE(T_DOUBLE, d, double, Double);
1877 default:
1878 ShouldNotReachHere();
1879 }
1880 #undef BOX_CASE
1881
1882 JavaCalls::call_static(&box_result,
1883 box_klass,
1884 vmSymbols::valueOf_name(),
1885 box_signature, &jargs, CHECK_NULL);
1886 oop hotspot_box = (oop) box_result.get_jobject();
1887 JVMCIObject result = JVMCIENV->get_object_constant(hotspot_box, false);
1888 return JVMCIENV->get_jobject(result);
1889 C2V_END
1890
1891 C2V_VMENTRY_NULL(jobjectArray, getDeclaredConstructors, (JNIEnv* env, jobject, jobject holder))
1892 if (holder == NULL) {
1893 JVMCI_THROW_0(NullPointerException);
1894 }
1895 Klass* klass = JVMCIENV->asKlass(holder);
1896 if (!klass->is_instance_klass()) {
1897 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL);
1898 return JVMCIENV->get_jobjectArray(methods);
1899 }
1900
1901 InstanceKlass* iklass = InstanceKlass::cast(klass);
1902 // Ensure class is linked
1903 iklass->link_class(CHECK_NULL);
1904
1905 GrowableArray<Method*> constructors_array;
1906 for (int i = 0; i < iklass->methods()->length(); i++) {
1907 Method* m = iklass->methods()->at(i);
1908 if (m->is_initializer() && !m->is_static()) {
1909 constructors_array.append(m);
1910 }
1911 }
1912 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(constructors_array.length(), JVMCI_CHECK_NULL);
1913 for (int i = 0; i < constructors_array.length(); i++) {
1914 methodHandle ctor(THREAD, constructors_array.at(i));
1915 JVMCIObject method = JVMCIENV->get_jvmci_method(ctor, JVMCI_CHECK_NULL);
1916 JVMCIENV->put_object_at(methods, i, method);
1917 }
1918 return JVMCIENV->get_jobjectArray(methods);
1919 C2V_END
1920
1921 C2V_VMENTRY_NULL(jobjectArray, getDeclaredMethods, (JNIEnv* env, jobject, jobject holder))
1922 if (holder == NULL) {
1923 JVMCI_THROW_0(NullPointerException);
1924 }
1925 Klass* klass = JVMCIENV->asKlass(holder);
1926 if (!klass->is_instance_klass()) {
1927 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL);
1928 return JVMCIENV->get_jobjectArray(methods);
1929 }
1930
1931 InstanceKlass* iklass = InstanceKlass::cast(klass);
1932 // Ensure class is linked
1933 iklass->link_class(CHECK_NULL);
1934
1935 GrowableArray<Method*> methods_array;
1936 for (int i = 0; i < iklass->methods()->length(); i++) {
1937 Method* m = iklass->methods()->at(i);
1938 if (!m->is_initializer() && !m->is_overpass()) {
1939 methods_array.append(m);
1940 }
1941 }
1942 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(methods_array.length(), JVMCI_CHECK_NULL);
1943 for (int i = 0; i < methods_array.length(); i++) {
1944 methodHandle mh(THREAD, methods_array.at(i));
1945 JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL);
1946 JVMCIENV->put_object_at(methods, i, method);
1947 }
1948 return JVMCIENV->get_jobjectArray(methods);
1949 C2V_END
1950
1951 C2V_VMENTRY_NULL(jobject, readFieldValue, (JNIEnv* env, jobject, jobject object, jobject field, jboolean is_volatile))
1952 if (object == NULL || field == NULL) {
1953 JVMCI_THROW_0(NullPointerException);
1954 }
1955 JVMCIObject field_object = JVMCIENV->wrap(field);
1956 JVMCIObject java_type = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_type(field_object);
1957 int modifiers = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_modifiers(field_object);
1958 Klass* holder = JVMCIENV->asKlass(JVMCIENV->get_HotSpotResolvedJavaFieldImpl_holder(field_object));
1959 if (!holder->is_instance_klass()) {
1960 JVMCI_THROW_MSG_0(InternalError, err_msg("Holder %s must be instance klass", holder->external_name()));
1961 }
1962 InstanceKlass* ik = InstanceKlass::cast(holder);
1963 BasicType constant_type;
1964 if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(java_type)) {
1965 constant_type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(java_type), JVMCI_CHECK_NULL);
1966 } else {
1967 constant_type = T_OBJECT;
1968 }
1969 int displacement = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_offset(field_object);
1970 fieldDescriptor fd;
1971 if (!ik->find_local_field_from_offset(displacement, (modifiers & JVM_ACC_STATIC) != 0, &fd)) {
1972 JVMCI_THROW_MSG_0(InternalError, err_msg("Can't find field with displacement %d", displacement));
1973 }
1974 JVMCIObject base = JVMCIENV->wrap(object);
1975 Handle obj;
1976 if (JVMCIENV->isa_HotSpotObjectConstantImpl(base)) {
1977 obj = JVMCIENV->asConstant(base, JVMCI_CHECK_NULL);
1978 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base)) {
1979 Klass* klass = JVMCIENV->asKlass(base);
1980 obj = Handle(THREAD, klass->java_mirror());
1981 } else {
1982 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
1983 err_msg("Unexpected type: %s", JVMCIENV->klass_name(base)));
1984 }
1985 jlong value = 0;
1986 JVMCIObject kind;
1987 switch (constant_type) {
1988 case T_OBJECT: {
1989 oop object = is_volatile ? obj->obj_field_acquire(displacement) : obj->obj_field(displacement);
1990 JVMCIObject result = JVMCIENV->get_object_constant(object);
1991 if (result.is_null()) {
1992 return JVMCIENV->get_jobject(JVMCIENV->get_JavaConstant_NULL_POINTER());
1993 }
1994 return JVMCIENV->get_jobject(result);
1995 }
1996 case T_FLOAT: {
1997 float f = is_volatile ? obj->float_field_acquire(displacement) : obj->float_field(displacement);
1998 JVMCIObject result = JVMCIENV->call_JavaConstant_forFloat(f, JVMCI_CHECK_NULL);
1999 return JVMCIENV->get_jobject(result);
2000 }
2001 case T_DOUBLE: {
2002 double f = is_volatile ? obj->double_field_acquire(displacement) : obj->double_field(displacement);
2003 JVMCIObject result = JVMCIENV->call_JavaConstant_forDouble(f, JVMCI_CHECK_NULL);
2004 return JVMCIENV->get_jobject(result);
2005 }
2006 case T_BOOLEAN: value = is_volatile ? obj->bool_field_acquire(displacement) : obj->bool_field(displacement); break;
2007 case T_BYTE: value = is_volatile ? obj->byte_field_acquire(displacement) : obj->byte_field(displacement); break;
2008 case T_SHORT: value = is_volatile ? obj->short_field_acquire(displacement) : obj->short_field(displacement); break;
2009 case T_CHAR: value = is_volatile ? obj->char_field_acquire(displacement) : obj->char_field(displacement); break;
2010 case T_INT: value = is_volatile ? obj->int_field_acquire(displacement) : obj->int_field(displacement); break;
2011 case T_LONG: value = is_volatile ? obj->long_field_acquire(displacement) : obj->long_field(displacement); break;
2012 default:
2013 ShouldNotReachHere();
2014 }
2015 JVMCIObject result = JVMCIENV->call_PrimitiveConstant_forTypeChar(type2char(constant_type), value, JVMCI_CHECK_NULL);
2016 return JVMCIENV->get_jobject(result);
2017 C2V_END
2018
2019 C2V_VMENTRY_0(jboolean, isInstance, (JNIEnv* env, jobject, jobject holder, jobject object))
2020 if (object == NULL || holder == NULL) {
2021 JVMCI_THROW_0(NullPointerException);
2022 }
2023 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0);
2024 Klass* klass = JVMCIENV->asKlass(JVMCIENV->wrap(holder));
2025 return obj->is_a(klass);
2026 C2V_END
2027
2028 C2V_VMENTRY_0(jboolean, isAssignableFrom, (JNIEnv* env, jobject, jobject holder, jobject otherHolder))
2029 if (holder == NULL || otherHolder == NULL) {
2030 JVMCI_THROW_0(NullPointerException);
2031 }
2032 Klass* klass = JVMCIENV->asKlass(JVMCIENV->wrap(holder));
2033 Klass* otherKlass = JVMCIENV->asKlass(JVMCIENV->wrap(otherHolder));
2034 return otherKlass->is_subtype_of(klass);
2035 C2V_END
2036
2037 C2V_VMENTRY_0(jboolean, isTrustedForIntrinsics, (JNIEnv* env, jobject, jobject holder))
2038 if (holder == NULL) {
2039 JVMCI_THROW_0(NullPointerException);
2040 }
2041 InstanceKlass* ik = InstanceKlass::cast(JVMCIENV->asKlass(JVMCIENV->wrap(holder)));
2042 if (ik->class_loader_data()->is_boot_class_loader_data() || ik->class_loader_data()->is_platform_class_loader_data()) {
2043 return true;
2044 }
2045 return false;
2046 C2V_END
2047
2048 C2V_VMENTRY_NULL(jobject, asJavaType, (JNIEnv* env, jobject, jobject object))
2049 if (object == NULL) {
2050 JVMCI_THROW_0(NullPointerException);
2051 }
2052 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL);
2053 if (java_lang_Class::is_instance(obj())) {
2054 if (java_lang_Class::is_primitive(obj())) {
2055 JVMCIObject type = JVMCIENV->get_jvmci_primitive_type(java_lang_Class::primitive_type(obj()));
2056 return JVMCIENV->get_jobject(type);
2057 }
2058 Klass* klass = java_lang_Class::as_Klass(obj());
2059 JVMCIKlassHandle klass_handle(THREAD);
2060 klass_handle = klass;
2061 JVMCIObject type = JVMCIENV->get_jvmci_type(klass_handle, JVMCI_CHECK_NULL);
2062 return JVMCIENV->get_jobject(type);
2063 }
2064 return NULL;
2065 C2V_END
2066
2067
2068 C2V_VMENTRY_NULL(jobject, asString, (JNIEnv* env, jobject, jobject object))
2069 if (object == NULL) {
2070 JVMCI_THROW_0(NullPointerException);
2071 }
2072 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL);
2073 const char* str = java_lang_String::as_utf8_string(obj());
2074 JVMCIObject result = JVMCIENV->create_string(str, JVMCI_CHECK_NULL);
2075 return JVMCIENV->get_jobject(result);
2076 C2V_END
2077
2078
2079 C2V_VMENTRY_0(jboolean, equals, (JNIEnv* env, jobject, jobject x, jlong xHandle, jobject y, jlong yHandle))
2080 if (x == NULL || y == NULL) {
2081 JVMCI_THROW_0(NullPointerException);
2082 }
2083 return JVMCIENV->resolve_handle(xHandle) == JVMCIENV->resolve_handle(yHandle);
2084 C2V_END
2085
2086 C2V_VMENTRY_NULL(jobject, getJavaMirror, (JNIEnv* env, jobject, jobject object))
2087 if (object == NULL) {
2088 JVMCI_THROW_0(NullPointerException);
2089 }
2090 JVMCIObject base_object = JVMCIENV->wrap(object);
2091 Handle mirror;
2092 if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base_object)) {
2093 mirror = Handle(THREAD, JVMCIENV->asKlass(base_object)->java_mirror());
2094 } else if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(base_object)) {
2095 mirror = JVMCIENV->asConstant(JVMCIENV->get_HotSpotResolvedPrimitiveType_mirror(base_object), JVMCI_CHECK_NULL);
2096 } else {
2097 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2098 err_msg("Unexpected type: %s", JVMCIENV->klass_name(base_object)));
2099 }
2100 JVMCIObject result = JVMCIENV->get_object_constant(mirror());
2101 return JVMCIENV->get_jobject(result);
2102 C2V_END
2103
2104
2105 C2V_VMENTRY_0(jint, getArrayLength, (JNIEnv* env, jobject, jobject x))
2106 if (x == NULL) {
2107 JVMCI_THROW_0(NullPointerException);
2108 }
2109 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2110 if (xobj->klass()->is_array_klass()) {
2111 return arrayOop(xobj())->length();
2112 }
2113 return -1;
2114 C2V_END
2115
2116
2117 C2V_VMENTRY_NULL(jobject, readArrayElement, (JNIEnv* env, jobject, jobject x, int index))
2118 if (x == NULL) {
2119 JVMCI_THROW_0(NullPointerException);
2120 }
2121 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_NULL);
2122 if (xobj->klass()->is_array_klass()) {
2123 arrayOop array = arrayOop(xobj());
2124 BasicType element_type = ArrayKlass::cast(array->klass())->element_type();
2125 if (index < 0 || index >= array->length()) {
2126 return NULL;
2127 }
2128 JVMCIObject result;
2129
2130 if (element_type == T_OBJECT) {
2131 result = JVMCIENV->get_object_constant(objArrayOop(xobj())->obj_at(index));
2132 if (result.is_null()) {
2133 result = JVMCIENV->get_JavaConstant_NULL_POINTER();
2134 }
2135 } else {
2136 jvalue value;
2137 switch (element_type) {
2138 case T_DOUBLE: value.d = typeArrayOop(xobj())->double_at(index); break;
2139 case T_FLOAT: value.f = typeArrayOop(xobj())->float_at(index); break;
2140 case T_LONG: value.j = typeArrayOop(xobj())->long_at(index); break;
2141 case T_INT: value.i = typeArrayOop(xobj())->int_at(index); break;
2142 case T_SHORT: value.s = typeArrayOop(xobj())->short_at(index); break;
2143 case T_CHAR: value.c = typeArrayOop(xobj())->char_at(index); break;
2144 case T_BYTE: value.b = typeArrayOop(xobj())->byte_at(index); break;
2145 case T_BOOLEAN: value.z = typeArrayOop(xobj())->byte_at(index) & 1; break;
2146 default: ShouldNotReachHere();
2147 }
2148 result = JVMCIENV->create_box(element_type, &value, JVMCI_CHECK_NULL);
2149 }
2150 assert(!result.is_null(), "must have a value");
2151 return JVMCIENV->get_jobject(result);
2152 }
2153 return NULL;;
2154 C2V_END
2155
2156
2157 C2V_VMENTRY_0(jint, arrayBaseOffset, (JNIEnv* env, jobject, jobject kind))
2158 if (kind == NULL) {
2159 JVMCI_THROW_0(NullPointerException);
2160 }
2161 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->wrap(kind), JVMCI_CHECK_0);
2162 return arrayOopDesc::header_size(type) * HeapWordSize;
2163 C2V_END
2164
2165 C2V_VMENTRY_0(jint, arrayIndexScale, (JNIEnv* env, jobject, jobject kind))
2166 if (kind == NULL) {
2167 JVMCI_THROW_0(NullPointerException);
2168 }
2169 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->wrap(kind), JVMCI_CHECK_0);
2170 return type2aelembytes(type);
2171 C2V_END
2172
2173 C2V_VMENTRY_0(jbyte, getByte, (JNIEnv* env, jobject, jobject x, long displacement))
2174 if (x == NULL) {
2175 JVMCI_THROW_0(NullPointerException);
2176 }
2177 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2178 return xobj->byte_field(displacement);
2179 }
2180
2181 C2V_VMENTRY_0(jshort, getShort, (JNIEnv* env, jobject, jobject x, long displacement))
2182 if (x == NULL) {
2183 JVMCI_THROW_0(NullPointerException);
2184 }
2185 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2186 return xobj->short_field(displacement);
2187 }
2188
2189 C2V_VMENTRY_0(jint, getInt, (JNIEnv* env, jobject, jobject x, long displacement))
2190 if (x == NULL) {
2191 JVMCI_THROW_0(NullPointerException);
2192 }
2193 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2194 return xobj->int_field(displacement);
2195 }
2196
2197 C2V_VMENTRY_0(jlong, getLong, (JNIEnv* env, jobject, jobject x, long displacement))
2198 if (x == NULL) {
2199 JVMCI_THROW_0(NullPointerException);
2200 }
2201 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2202 return xobj->long_field(displacement);
2203 }
2204
2205 C2V_VMENTRY_NULL(jobject, getObject, (JNIEnv* env, jobject, jobject x, long displacement))
2206 if (x == NULL) {
2207 JVMCI_THROW_0(NullPointerException);
2208 }
2209 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0);
2210 oop res = xobj->obj_field(displacement);
2211 JVMCIObject result = JVMCIENV->get_object_constant(res);
2212 return JVMCIENV->get_jobject(result);
2213 }
2214
2215 C2V_VMENTRY(void, deleteGlobalHandle, (JNIEnv* env, jobject, jlong h))
2216 jobject handle = (jobject)(address)h;
2217 if (handle != NULL) {
2218 JVMCI::destroy_global(handle);
2219 }
2220 }
2221
2222 static void requireJVMCINativeLibrary(JVMCI_TRAPS) {
2223 if (!UseJVMCINativeLibrary) {
2224 JVMCI_THROW_MSG(UnsupportedOperationException, "JVMCI shared library is not enabled (requires -XX:+UseJVMCINativeLibrary)");
2225 }
2226 }
2227
2228 static JavaVM* requireNativeLibraryJavaVM(const char* caller, JVMCI_TRAPS) {
2229 JavaVM* javaVM = JVMCIEnv::get_shared_library_javavm();
2230 if (javaVM == NULL) {
2231 JVMCI_THROW_MSG_NULL(IllegalStateException, err_msg("Require JVMCI shared library to be initialized in %s", caller));
2232 }
2233 return javaVM;
2234 }
2235
2236 C2V_VMENTRY_NULL(jlongArray, registerNativeMethods, (JNIEnv* env, jobject, jclass mirror))
2237 requireJVMCINativeLibrary(JVMCI_CHECK_NULL);
2238 requireInHotSpot("registerNativeMethods", JVMCI_CHECK_NULL);
2239 void* shared_library = JVMCIEnv::get_shared_library_handle();
2240 if (shared_library == NULL) {
2241 // Ensure the JVMCI shared library runtime is initialized.
2242 JVMCIEnv __peer_jvmci_env__(thread, false, __FILE__, __LINE__);
2243 JVMCIEnv* peerEnv = &__peer_jvmci_env__;
2244 HandleMark hm;
2245 JVMCIRuntime* runtime = JVMCI::compiler_runtime();
2246 JVMCIObject receiver = runtime->get_HotSpotJVMCIRuntime(peerEnv);
2247 if (peerEnv->has_pending_exception()) {
2248 peerEnv->describe_pending_exception(true);
2249 }
2250 shared_library = JVMCIEnv::get_shared_library_handle();
2251 if (shared_library == NULL) {
2252 JVMCI_THROW_MSG_0(InternalError, "Error initializing JVMCI runtime");
2253 }
2254 }
2255
2256 if (mirror == NULL) {
2257 JVMCI_THROW_0(NullPointerException);
2258 }
2259 Klass* klass = java_lang_Class::as_Klass(JNIHandles::resolve(mirror));
2260 if (klass == NULL || !klass->is_instance_klass()) {
2261 JVMCI_THROW_MSG_0(IllegalArgumentException, "clazz is for primitive type");
2262 }
2263
2264 InstanceKlass* iklass = InstanceKlass::cast(klass);
2265 for (int i = 0; i < iklass->methods()->length(); i++) {
2266 methodHandle method(THREAD, iklass->methods()->at(i));
2267 if (method->is_native()) {
2268
2269 // Compute argument size
2270 int args_size = 1 // JNIEnv
2271 + (method->is_static() ? 1 : 0) // class for static methods
2272 + method->size_of_parameters(); // actual parameters
2273
2274 // 1) Try JNI short style
2275 stringStream st;
2276 char* pure_name = NativeLookup::pure_jni_name(method);
2277 os::print_jni_name_prefix_on(&st, args_size);
2278 st.print_raw(pure_name);
2279 os::print_jni_name_suffix_on(&st, args_size);
2280 char* jni_name = st.as_string();
2281
2282 address entry = (address) os::dll_lookup(shared_library, jni_name);
2283 if (entry == NULL) {
2284 // 2) Try JNI long style
2285 st.reset();
2286 char* long_name = NativeLookup::long_jni_name(method);
2287 os::print_jni_name_prefix_on(&st, args_size);
2288 st.print_raw(pure_name);
2289 st.print_raw(long_name);
2290 os::print_jni_name_suffix_on(&st, args_size);
2291 char* jni_long_name = st.as_string();
2292 entry = (address) os::dll_lookup(shared_library, jni_long_name);
2293 if (entry == NULL) {
2294 JVMCI_THROW_MSG_0(UnsatisfiedLinkError, err_msg("%s [neither %s nor %s exist in %s]",
2295 method->name_and_sig_as_C_string(),
2296 jni_name, jni_long_name, JVMCIEnv::get_shared_library_path()));
2297 }
2298 }
2299
2300 if (method->has_native_function() && entry != method->native_function()) {
2301 JVMCI_THROW_MSG_0(UnsatisfiedLinkError, err_msg("%s [cannot re-link from " PTR_FORMAT " to " PTR_FORMAT "]",
2302 method->name_and_sig_as_C_string(), p2i(method->native_function()), p2i(entry)));
2303 }
2304 method->set_native_function(entry, Method::native_bind_event_is_interesting);
2305 if (PrintJNIResolving) {
2306 tty->print_cr("[Dynamic-linking native method %s.%s ... JNI]",
2307 method->method_holder()->external_name(),
2308 method->name()->as_C_string());
2309 }
2310 }
2311 }
2312
2313 JavaVM* javaVM = JVMCIEnv::get_shared_library_javavm();
2314 JVMCIPrimitiveArray result = JVMCIENV->new_longArray(4, JVMCI_CHECK_NULL);
2315 JVMCIENV->put_long_at(result, 0, (jlong) (address) javaVM);
2316 JVMCIENV->put_long_at(result, 1, (jlong) (address) javaVM->functions->reserved0);
2317 JVMCIENV->put_long_at(result, 2, (jlong) (address) javaVM->functions->reserved1);
2318 JVMCIENV->put_long_at(result, 3, (jlong) (address) javaVM->functions->reserved2);
2319 return (jlongArray) JVMCIENV->get_jobject(result);
2320 }
2321
2322 C2V_VMENTRY_PREFIX(jboolean, isCurrentThreadAttached, (JNIEnv* env, jobject c2vm))
2323 if (base_thread == NULL) {
2324 // Called from unattached JVMCI shared library thread
2325 return false;
2326 }
2327 JVMCITraceMark jtm("isCurrentThreadAttached");
2328 assert(base_thread->is_Java_thread(), "just checking");
2329 JavaThread* thread = (JavaThread*) base_thread;
2330 if (thread->jni_environment() == env) {
2331 C2V_BLOCK(jboolean, isCurrentThreadAttached, (JNIEnv* env, jobject))
2332 requireJVMCINativeLibrary(JVMCI_CHECK_0);
2333 JavaVM* javaVM = requireNativeLibraryJavaVM("isCurrentThreadAttached", JVMCI_CHECK_0);
2334 JNIEnv* peerEnv;
2335 return javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) == JNI_OK;
2336 }
2337 return true;
2338 C2V_END
2339
2340 C2V_VMENTRY_PREFIX(jlong, getCurrentJavaThread, (JNIEnv* env, jobject c2vm))
2341 if (base_thread == NULL) {
2342 // Called from unattached JVMCI shared library thread
2343 return 0L;
2344 }
2345 JVMCITraceMark jtm("getCurrentJavaThread");
2346 assert(base_thread->is_Java_thread(), "just checking");
2347 return (jlong) p2i(base_thread);
2348 C2V_END
2349
2350 C2V_VMENTRY_PREFIX(jboolean, attachCurrentThread, (JNIEnv* env, jobject c2vm, jboolean as_daemon))
2351 if (base_thread == NULL) {
2352 // Called from unattached JVMCI shared library thread
2353 extern struct JavaVM_ main_vm;
2354 JNIEnv* hotspotEnv;
2355 jint res = as_daemon ? main_vm.AttachCurrentThreadAsDaemon((void**)&hotspotEnv, NULL) :
2356 main_vm.AttachCurrentThread((void**)&hotspotEnv, NULL);
2357 if (res != JNI_OK) {
2358 JNI_THROW_("attachCurrentThread", InternalError, err_msg("Trying to attach thread returned %d", res), false);
2359 }
2360 return true;
2361 }
2362 JVMCITraceMark jtm("attachCurrentThread");
2363 assert(base_thread->is_Java_thread(), "just checking");\
2364 JavaThread* thread = (JavaThread*) base_thread;
2365 if (thread->jni_environment() == env) {
2366 // Called from HotSpot
2367 C2V_BLOCK(jboolean, attachCurrentThread, (JNIEnv* env, jobject, jboolean))
2368 requireJVMCINativeLibrary(JVMCI_CHECK_0);
2369 JavaVM* javaVM = requireNativeLibraryJavaVM("attachCurrentThread", JVMCI_CHECK_0);
2370 JavaVMAttachArgs attach_args;
2371 attach_args.version = JNI_VERSION_1_2;
2372 attach_args.name = thread->name();
2373 attach_args.group = NULL;
2374 JNIEnv* peerEnv;
2375 if (javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) == JNI_OK) {
2376 return false;
2377 }
2378 jint res = as_daemon ? javaVM->AttachCurrentThreadAsDaemon((void**)&peerEnv, &attach_args) :
2379 javaVM->AttachCurrentThread((void**)&peerEnv, &attach_args);
2380 if (res == JNI_OK) {
2381 guarantee(peerEnv != NULL, "must be");
2382 return true;
2383 }
2384 JVMCI_THROW_MSG_0(InternalError, err_msg("Error %d while attaching %s", res, attach_args.name));
2385 }
2386 // Called from JVMCI shared library
2387 return false;
2388 C2V_END
2389
2390 C2V_VMENTRY_PREFIX(void, detachCurrentThread, (JNIEnv* env, jobject c2vm))
2391 if (base_thread == NULL) {
2392 // Called from unattached JVMCI shared library thread
2393 JNI_THROW("detachCurrentThread", IllegalStateException, err_msg("Cannot detach non-attached thread"));
2394 }
2395 JVMCITraceMark jtm("detachCurrentThread");
2396 assert(base_thread->is_Java_thread(), "just checking");\
2397 JavaThread* thread = (JavaThread*) base_thread;
2398 if (thread->jni_environment() == env) {
2399 // Called from HotSpot
2400 C2V_BLOCK(void, detachCurrentThread, (JNIEnv* env, jobject))
2401 requireJVMCINativeLibrary(JVMCI_CHECK);
2402 requireInHotSpot("detachCurrentThread", JVMCI_CHECK);
2403 JavaVM* javaVM = requireNativeLibraryJavaVM("detachCurrentThread", JVMCI_CHECK);
2404 JNIEnv* peerEnv;
2405 if (javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) != JNI_OK) {
2406 JVMCI_THROW_MSG(IllegalStateException, err_msg("Cannot detach non-attached thread: %s", thread->name()));
2407 }
2408 jint res = javaVM->DetachCurrentThread();
2409 if (res != JNI_OK) {
2410 JVMCI_THROW_MSG(InternalError, err_msg("Error %d while attaching %s", res, thread->name()));
2411 }
2412 } else {
2413 // Called from attached JVMCI shared library thread
2414 extern struct JavaVM_ main_vm;
2415 jint res = main_vm.DetachCurrentThread();
2416 if (res != JNI_OK) {
2417 JNI_THROW("detachCurrentThread", InternalError, err_msg("Cannot detach non-attached thread"));
2418 }
2419 }
2420 C2V_END
2421
2422 C2V_VMENTRY_0(jlong, translate, (JNIEnv* env, jobject, jobject obj_handle))
2423 requireJVMCINativeLibrary(JVMCI_CHECK_0);
2424 if (obj_handle == NULL) {
2425 return 0L;
2426 }
2427 JVMCIEnv __peer_jvmci_env__(thread, !JVMCIENV->is_hotspot(), __FILE__, __LINE__);
2428 JVMCIEnv* peerEnv = &__peer_jvmci_env__;
2429 JVMCIEnv* thisEnv = JVMCIENV;
2430
2431 JVMCIObject obj = thisEnv->wrap(obj_handle);
2432 JVMCIObject result;
2433 if (thisEnv->isa_HotSpotResolvedJavaMethodImpl(obj)) {
2434 methodHandle method(THREAD, thisEnv->asMethod(obj));
2435 result = peerEnv->get_jvmci_method(method, JVMCI_CHECK_0);
2436 } else if (thisEnv->isa_HotSpotResolvedObjectTypeImpl(obj)) {
2437 Klass* klass = thisEnv->asKlass(obj);
2438 JVMCIKlassHandle klass_handle(THREAD);
2439 klass_handle = klass;
2440 result = peerEnv->get_jvmci_type(klass_handle, JVMCI_CHECK_0);
2441 } else if (thisEnv->isa_HotSpotResolvedPrimitiveType(obj)) {
2442 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(obj), JVMCI_CHECK_0);
2443 result = peerEnv->get_jvmci_primitive_type(type);
2444 } else if (thisEnv->isa_IndirectHotSpotObjectConstantImpl(obj) ||
2445 thisEnv->isa_DirectHotSpotObjectConstantImpl(obj)) {
2446 Handle constant = thisEnv->asConstant(obj, JVMCI_CHECK_0);
2447 result = peerEnv->get_object_constant(constant());
2448 } else if (thisEnv->isa_HotSpotNmethod(obj)) {
2449 nmethod* nm = thisEnv->asNmethod(obj);
2450 if (nm != NULL) {
2451 JVMCINMethodData* data = nm->jvmci_nmethod_data();
2452 if (data != NULL) {
2453 if (peerEnv->is_hotspot()) {
2454 // Only the mirror in the HotSpot heap is accessible
2455 // through JVMCINMethodData
2456 oop nmethod_mirror = data->get_nmethod_mirror(nm, /* phantom_ref */ true);
2457 if (nmethod_mirror != NULL) {
2458 result = HotSpotJVMCI::wrap(nmethod_mirror);
2459 }
2460 }
2461 }
2462 }
2463 if (result.is_null()) {
2464 JVMCIObject methodObject = thisEnv->get_HotSpotNmethod_method(obj);
2465 methodHandle mh(THREAD, thisEnv->asMethod(methodObject));
2466 jboolean isDefault = thisEnv->get_HotSpotNmethod_isDefault(obj);
2467 jlong compileIdSnapshot = thisEnv->get_HotSpotNmethod_compileIdSnapshot(obj);
2468 JVMCIObject name_string = thisEnv->get_InstalledCode_name(obj);
2469 const char* cstring = name_string.is_null() ? NULL : thisEnv->as_utf8_string(name_string);
2470 // Create a new HotSpotNmethod instance in the peer runtime
2471 result = peerEnv->new_HotSpotNmethod(mh, cstring, isDefault, compileIdSnapshot, JVMCI_CHECK_0);
2472 if (nm == NULL) {
2473 // nmethod must have been unloaded
2474 } else {
2475 // Link the new HotSpotNmethod to the nmethod
2476 peerEnv->initialize_installed_code(result, nm, JVMCI_CHECK_0);
2477 // Only HotSpotNmethod instances in the HotSpot heap are tracked directly by the runtime.
2478 if (peerEnv->is_hotspot()) {
2479 JVMCINMethodData* data = nm->jvmci_nmethod_data();
2480 if (data == NULL) {
2481 JVMCI_THROW_MSG_0(IllegalArgumentException, "Cannot set HotSpotNmethod mirror for default nmethod");
2482 }
2483 if (data->get_nmethod_mirror(nm, /* phantom_ref */ false) != NULL) {
2484 JVMCI_THROW_MSG_0(IllegalArgumentException, "Cannot overwrite existing HotSpotNmethod mirror for nmethod");
2485 }
2486 oop nmethod_mirror = HotSpotJVMCI::resolve(result);
2487 data->set_nmethod_mirror(nm, nmethod_mirror);
2488 }
2489 }
2490 }
2491 } else {
2492 JVMCI_THROW_MSG_0(IllegalArgumentException,
2493 err_msg("Cannot translate object of type: %s", thisEnv->klass_name(obj)));
2494 }
2495 return (jlong) peerEnv->make_global(result).as_jobject();
2496 }
2497
2498 C2V_VMENTRY_NULL(jobject, unhand, (JNIEnv* env, jobject, jlong obj_handle))
2499 requireJVMCINativeLibrary(JVMCI_CHECK_NULL);
2500 if (obj_handle == 0L) {
2501 return NULL;
2502 }
2503 jobject global_handle = (jobject) obj_handle;
2504 JVMCIObject global_handle_obj = JVMCIENV->wrap((jobject) obj_handle);
2505 jobject result = JVMCIENV->make_local(global_handle_obj).as_jobject();
2506
2507 JVMCIENV->destroy_global(global_handle_obj);
2508 return result;
2509 }
2510
2511 C2V_VMENTRY(void, updateHotSpotNmethod, (JNIEnv* env, jobject, jobject code_handle))
2512 JVMCIObject code = JVMCIENV->wrap(code_handle);
2513 // Execute this operation for the side effect of updating the InstalledCode state
2514 JVMCIENV->asNmethod(code);
2515 }
2516
2517 C2V_VMENTRY_NULL(jbyteArray, getCode, (JNIEnv* env, jobject, jobject code_handle))
2518 JVMCIObject code = JVMCIENV->wrap(code_handle);
2519 CodeBlob* cb = JVMCIENV->asCodeBlob(code);
2520 if (cb == NULL) {
2521 return NULL;
2522 }
2523 int code_size = cb->code_size();
2524 JVMCIPrimitiveArray result = JVMCIENV->new_byteArray(code_size, JVMCI_CHECK_NULL);
2525 JVMCIENV->copy_bytes_from((jbyte*) cb->code_begin(), result, 0, code_size);
2526 return JVMCIENV->get_jbyteArray(result);
2527 }
2528
2529 C2V_VMENTRY_NULL(jobject, asReflectionExecutable, (JNIEnv* env, jobject, jobject jvmci_method))
2530 requireInHotSpot("asReflectionExecutable", JVMCI_CHECK_NULL);
2531 methodHandle m(THREAD, JVMCIENV->asMethod(jvmci_method));
2532 oop executable;
2533 if (m->is_initializer()) {
2534 if (m->is_static_initializer()) {
2535 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2536 "Cannot create java.lang.reflect.Method for class initializer");
2537 }
2538 executable = Reflection::new_constructor(m, CHECK_NULL);
2539 } else {
2540 executable = Reflection::new_method(m, false, CHECK_NULL);
2541 }
2542 return JNIHandles::make_local(THREAD, executable);
2543 }
2544
2545 C2V_VMENTRY_NULL(jobject, asReflectionField, (JNIEnv* env, jobject, jobject jvmci_type, jint index))
2546 requireInHotSpot("asReflectionField", JVMCI_CHECK_NULL);
2547 Klass* klass = JVMCIENV->asKlass(jvmci_type);
2548 if (!klass->is_instance_klass()) {
2549 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2550 err_msg("Expected non-primitive type, got %s", klass->external_name()));
2551 }
2552 InstanceKlass* iklass = InstanceKlass::cast(klass);
2553 Array<u2>* fields = iklass->fields();
2554 if (index < 0 ||index > fields->length()) {
2555 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2556 err_msg("Field index %d out of bounds for %s", index, klass->external_name()));
2557 }
2558 fieldDescriptor fd(iklass, index);
2559 oop reflected = Reflection::new_field(&fd, CHECK_NULL);
2560 return JNIHandles::make_local(env, reflected);
2561 }
2562
2563 C2V_VMENTRY_NULL(jobjectArray, getFailedSpeculations, (JNIEnv* env, jobject, jlong failed_speculations_address, jobjectArray current))
2564 FailedSpeculation* head = *((FailedSpeculation**)(address) failed_speculations_address);
2565 int result_length = 0;
2566 for (FailedSpeculation* fs = head; fs != NULL; fs = fs->next()) {
2567 result_length++;
2568 }
2569 int current_length = 0;
2570 JVMCIObjectArray current_array = NULL;
2571 if (current != NULL) {
2572 current_array = JVMCIENV->wrap(current);
2573 current_length = JVMCIENV->get_length(current_array);
2574 if (current_length == result_length) {
2575 // No new failures
2576 return current;
2577 }
2578 }
2579 JVMCIObjectArray result = JVMCIENV->new_byte_array_array(result_length, JVMCI_CHECK_NULL);
2580 int result_index = 0;
2581 for (FailedSpeculation* fs = head; result_index < result_length; fs = fs->next()) {
2582 assert(fs != NULL, "npe");
2583 JVMCIPrimitiveArray entry;
2584 if (result_index < current_length) {
2585 entry = (JVMCIPrimitiveArray) JVMCIENV->get_object_at(current_array, result_index);
2586 } else {
2587 entry = JVMCIENV->new_byteArray(fs->data_len(), JVMCI_CHECK_NULL);
2588 JVMCIENV->copy_bytes_from((jbyte*) fs->data(), entry, 0, fs->data_len());
2589 }
2590 JVMCIENV->put_object_at(result, result_index++, entry);
2591 }
2592 return JVMCIENV->get_jobjectArray(result);
2593 }
2594
2595 C2V_VMENTRY_0(jlong, getFailedSpeculationsAddress, (JNIEnv* env, jobject, jobject jvmci_method))
2596 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method));
2597 MethodData* method_data = method->method_data();
2598 if (method_data == NULL) {
2599 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
2600 method_data = MethodData::allocate(loader_data, method, CHECK_0);
2601 method->set_method_data(method_data);
2602 }
2603 return (jlong) method_data->get_failed_speculations_address();
2604 }
2605
2606 C2V_VMENTRY(void, releaseFailedSpeculations, (JNIEnv* env, jobject, jlong failed_speculations_address))
2607 FailedSpeculation::free_failed_speculations((FailedSpeculation**)(address) failed_speculations_address);
2608 }
2609
2610 C2V_VMENTRY_0(jboolean, addFailedSpeculation, (JNIEnv* env, jobject, jlong failed_speculations_address, jbyteArray speculation_obj))
2611 JVMCIPrimitiveArray speculation_handle = JVMCIENV->wrap(speculation_obj);
2612 int speculation_len = JVMCIENV->get_length(speculation_handle);
2613 char* speculation = NEW_RESOURCE_ARRAY(char, speculation_len);
2614 JVMCIENV->copy_bytes_to(speculation_handle, (jbyte*) speculation, 0, speculation_len);
2615 return FailedSpeculation::add_failed_speculation(NULL, (FailedSpeculation**)(address) failed_speculations_address, (address) speculation, speculation_len);
2616 }
2617
2618 C2V_VMENTRY(void, callSystemExit, (JNIEnv* env, jobject, jint status))
2619 JavaValue result(T_VOID);
2620 JavaCallArguments jargs(1);
2621 jargs.push_int(status);
2622 JavaCalls::call_static(&result,
2623 SystemDictionary::System_klass(),
2624 vmSymbols::exit_method_name(),
2625 vmSymbols::int_void_signature(),
2626 &jargs,
2627 CHECK);
2628 }
2629
2630 #define CC (char*) /*cast a literal from (const char*)*/
2631 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
2632
2633 #define STRING "Ljava/lang/String;"
2634 #define OBJECT "Ljava/lang/Object;"
2635 #define CLASS "Ljava/lang/Class;"
2636 #define OBJECTCONSTANT "Ljdk/vm/ci/hotspot/HotSpotObjectConstantImpl;"
2637 #define HANDLECONSTANT "Ljdk/vm/ci/hotspot/IndirectHotSpotObjectConstantImpl;"
2638 #define EXECUTABLE "Ljava/lang/reflect/Executable;"
2639 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;"
2640 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;"
2641 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;"
2642 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;"
2643 #define JAVACONSTANT "Ljdk/vm/ci/meta/JavaConstant;"
2644 #define INSPECTED_FRAME_VISITOR "Ljdk/vm/ci/code/stack/InspectedFrameVisitor;"
2645 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;"
2646 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;"
2647 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;"
2648 #define HS_RESOLVED_TYPE "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaType;"
2649 #define HS_RESOLVED_FIELD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaField;"
2650 #define HS_INSTALLED_CODE "Ljdk/vm/ci/hotspot/HotSpotInstalledCode;"
2651 #define HS_NMETHOD "Ljdk/vm/ci/hotspot/HotSpotNmethod;"
2652 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;"
2653 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;"
2654 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;"
2655 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;"
2656 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;"
2657 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;"
2658 #define METASPACE_OBJECT "Ljdk/vm/ci/hotspot/MetaspaceObject;"
2659 #define REFLECTION_EXECUTABLE "Ljava/lang/reflect/Executable;"
2660 #define REFLECTION_FIELD "Ljava/lang/reflect/Field;"
2661 #define METASPACE_METHOD_DATA "J"
2662
2663 JNINativeMethod CompilerToVM::methods[] = {
2664 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)},
2665 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)},
2666 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)},
2667 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)},
2668 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)},
2669 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)},
2670 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)},
2671 {CC "setNotInlinableOrCompilable", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(setNotInlinableOrCompilable)},
2672 {CC "isCompilable", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(isCompilable)},
2673 {CC "hasNeverInlineDirective", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(hasNeverInlineDirective)},
2674 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)},
2675 {CC "lookupType", CC "(" STRING HS_RESOLVED_KLASS "Z)" HS_RESOLVED_TYPE, FN_PTR(lookupType)},
2676 {CC "getArrayType", CC "(" HS_RESOLVED_TYPE ")" HS_RESOLVED_KLASS, FN_PTR(getArrayType)},
2677 {CC "lookupClass", CC "(" CLASS ")" HS_RESOLVED_TYPE, FN_PTR(lookupClass)},
2678 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)},
2679 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)},
2680 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)},
2681 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)},
2682 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)},
2683 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECTCONSTANT, FN_PTR(lookupAppendixInPool)},
2684 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)},
2685 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)},
2686 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECTCONSTANT, FN_PTR(resolvePossiblyCachedConstantInPool)},
2687 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)},
2688 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[I)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)},
2689 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)},
2690 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)},
2691 {CC "isResolvedInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(isResolvedInvokeHandleInPool)},
2692 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
2693 {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)},
2694 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)},
2695 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)},
2696 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)},
2697 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)},
2698 {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)},
2699 {CC "getResolvedJavaMethod", CC "(" OBJECTCONSTANT "J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)},
2700 {CC "getConstantPool", CC "(" METASPACE_OBJECT ")" HS_CONSTANT_POOL, FN_PTR(getConstantPool)},
2701 {CC "getResolvedJavaType0", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType0)},
2702 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)},
2703 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE "J[B)I", FN_PTR(installCode)},
2704 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)},
2705 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)},
2706 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)},
2707 {CC "executeHotSpotNmethod", CC "([" OBJECT HS_NMETHOD ")" OBJECT, FN_PTR(executeHotSpotNmethod)},
2708 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)},
2709 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)},
2710 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)},
2711 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)},
2712 {CC "invalidateHotSpotNmethod", CC "(" HS_NMETHOD ")V", FN_PTR(invalidateHotSpotNmethod)},
2713 {CC "readUncompressedOop", CC "(J)" OBJECTCONSTANT, FN_PTR(readUncompressedOop)},
2714 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)},
2715 {CC "getCountersSize", CC "()I", FN_PTR(getCountersSize)},
2716 {CC "setCountersSize", CC "(I)V", FN_PTR(setCountersSize)},
2717 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)},
2718 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)},
2719 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)},
2720 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)},
2721 {CC "iterateFrames", CC "([" RESOLVED_METHOD "[" RESOLVED_METHOD "I" INSPECTED_FRAME_VISITOR ")" OBJECT, FN_PTR(iterateFrames)},
2722 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)},
2723 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)},
2724 {CC "writeDebugOutput", CC "([BIIZZ)I", FN_PTR(writeDebugOutput)},
2725 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)},
2726 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)},
2727 {CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)},
2728 {CC "getHostClass", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getHostClass)},
2729 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)},
2730 {CC "compileToBytecode", CC "(" OBJECTCONSTANT ")V", FN_PTR(compileToBytecode)},
2731 {CC "getFlagValue", CC "(" STRING ")" OBJECT, FN_PTR(getFlagValue)},
2732 {CC "getObjectAtAddress", CC "(J)" OBJECT, FN_PTR(getObjectAtAddress)},
2733 {CC "getInterfaces", CC "(" HS_RESOLVED_KLASS ")[" HS_RESOLVED_KLASS, FN_PTR(getInterfaces)},
2734 {CC "getComponentType", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_TYPE, FN_PTR(getComponentType)},
2735 {CC "ensureInitialized", CC "(" HS_RESOLVED_KLASS ")V", FN_PTR(ensureInitialized)},
2736 {CC "getIdentityHashCode", CC "(" OBJECTCONSTANT ")I", FN_PTR(getIdentityHashCode)},
2737 {CC "isInternedString", CC "(" OBJECTCONSTANT ")Z", FN_PTR(isInternedString)},
2738 {CC "unboxPrimitive", CC "(" OBJECTCONSTANT ")" OBJECT, FN_PTR(unboxPrimitive)},
2739 {CC "boxPrimitive", CC "(" OBJECT ")" OBJECTCONSTANT, FN_PTR(boxPrimitive)},
2740 {CC "getDeclaredConstructors", CC "(" HS_RESOLVED_KLASS ")[" RESOLVED_METHOD, FN_PTR(getDeclaredConstructors)},
2741 {CC "getDeclaredMethods", CC "(" HS_RESOLVED_KLASS ")[" RESOLVED_METHOD, FN_PTR(getDeclaredMethods)},
2742 {CC "readFieldValue", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_FIELD "Z)" JAVACONSTANT, FN_PTR(readFieldValue)},
2743 {CC "readFieldValue", CC "(" OBJECTCONSTANT HS_RESOLVED_FIELD "Z)" JAVACONSTANT, FN_PTR(readFieldValue)},
2744 {CC "isInstance", CC "(" HS_RESOLVED_KLASS OBJECTCONSTANT ")Z", FN_PTR(isInstance)},
2745 {CC "isAssignableFrom", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_KLASS ")Z", FN_PTR(isAssignableFrom)},
2746 {CC "isTrustedForIntrinsics", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(isTrustedForIntrinsics)},
2747 {CC "asJavaType", CC "(" OBJECTCONSTANT ")" HS_RESOLVED_TYPE, FN_PTR(asJavaType)},
2748 {CC "asString", CC "(" OBJECTCONSTANT ")" STRING, FN_PTR(asString)},
2749 {CC "equals", CC "(" OBJECTCONSTANT "J" OBJECTCONSTANT "J)Z", FN_PTR(equals)},
2750 {CC "getJavaMirror", CC "(" HS_RESOLVED_TYPE ")" OBJECTCONSTANT, FN_PTR(getJavaMirror)},
2751 {CC "getArrayLength", CC "(" OBJECTCONSTANT ")I", FN_PTR(getArrayLength)},
2752 {CC "readArrayElement", CC "(" OBJECTCONSTANT "I)Ljava/lang/Object;", FN_PTR(readArrayElement)},
2753 {CC "arrayBaseOffset", CC "(Ljdk/vm/ci/meta/JavaKind;)I", FN_PTR(arrayBaseOffset)},
2754 {CC "arrayIndexScale", CC "(Ljdk/vm/ci/meta/JavaKind;)I", FN_PTR(arrayIndexScale)},
2755 {CC "getByte", CC "(" OBJECTCONSTANT "J)B", FN_PTR(getByte)},
2756 {CC "getShort", CC "(" OBJECTCONSTANT "J)S", FN_PTR(getShort)},
2757 {CC "getInt", CC "(" OBJECTCONSTANT "J)I", FN_PTR(getInt)},
2758 {CC "getLong", CC "(" OBJECTCONSTANT "J)J", FN_PTR(getLong)},
2759 {CC "getObject", CC "(" OBJECTCONSTANT "J)" OBJECTCONSTANT, FN_PTR(getObject)},
2760 {CC "deleteGlobalHandle", CC "(J)V", FN_PTR(deleteGlobalHandle)},
2761 {CC "registerNativeMethods", CC "(" CLASS ")[J", FN_PTR(registerNativeMethods)},
2762 {CC "isCurrentThreadAttached", CC "()Z", FN_PTR(isCurrentThreadAttached)},
2763 {CC "getCurrentJavaThread", CC "()J", FN_PTR(getCurrentJavaThread)},
2764 {CC "attachCurrentThread", CC "(Z)Z", FN_PTR(attachCurrentThread)},
2765 {CC "detachCurrentThread", CC "()V", FN_PTR(detachCurrentThread)},
2766 {CC "translate", CC "(" OBJECT ")J", FN_PTR(translate)},
2767 {CC "unhand", CC "(J)" OBJECT, FN_PTR(unhand)},
2768 {CC "updateHotSpotNmethod", CC "(" HS_NMETHOD ")V", FN_PTR(updateHotSpotNmethod)},
2769 {CC "getCode", CC "(" HS_INSTALLED_CODE ")[B", FN_PTR(getCode)},
2770 {CC "asReflectionExecutable", CC "(" HS_RESOLVED_METHOD ")" REFLECTION_EXECUTABLE, FN_PTR(asReflectionExecutable)},
2771 {CC "asReflectionField", CC "(" HS_RESOLVED_KLASS "I)" REFLECTION_FIELD, FN_PTR(asReflectionField)},
2772 {CC "getFailedSpeculations", CC "(J[[B)[[B", FN_PTR(getFailedSpeculations)},
2773 {CC "getFailedSpeculationsAddress", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getFailedSpeculationsAddress)},
2774 {CC "releaseFailedSpeculations", CC "(J)V", FN_PTR(releaseFailedSpeculations)},
2775 {CC "addFailedSpeculation", CC "(J[B)Z", FN_PTR(addFailedSpeculation)},
2776 {CC "callSystemExit", CC "(I)V", FN_PTR(callSystemExit)},
2777 };
2778
2779 int CompilerToVM::methods_count() {
2780 return sizeof(methods) / sizeof(JNINativeMethod);
2781 }