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