1 /*
2 * Copyright (c) 2011, 2016, 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 "code/codeCache.hpp"
27 #include "code/scopeDesc.hpp"
28 #include "interpreter/linkResolver.hpp"
29 #include "memory/oopFactory.hpp"
30 #include "oops/generateOopMap.hpp"
31 #include "oops/fieldStreams.hpp"
32 #include "oops/oop.inline.hpp"
33 #include "oops/objArrayOop.inline.hpp"
34 #include "runtime/fieldDescriptor.hpp"
35 #include "runtime/javaCalls.hpp"
36 #include "jvmci/jvmciRuntime.hpp"
37 #include "compiler/abstractCompiler.hpp"
38 #include "compiler/compileBroker.hpp"
39 #include "compiler/compilerOracle.hpp"
40 #include "compiler/disassembler.hpp"
41 #include "compiler/oopMap.hpp"
42 #include "jvmci/jvmciCompilerToVM.hpp"
43 #include "jvmci/jvmciCompiler.hpp"
44 #include "jvmci/jvmciEnv.hpp"
45 #include "jvmci/jvmciJavaClasses.hpp"
46 #include "jvmci/jvmciCodeInstaller.hpp"
47 #include "jvmci/vmStructs_jvmci.hpp"
48 #include "gc/g1/heapRegion.hpp"
49 #include "runtime/javaCalls.hpp"
50 #include "runtime/deoptimization.hpp"
51 #include "runtime/vframe.hpp"
52 #include "runtime/vframe_hp.hpp"
53 #include "runtime/vmStructs.hpp"
54
55
56 // Entry to native method implementation that transitions current thread to '_thread_in_vm'.
57 #define C2V_VMENTRY(result_type, name, signature) \
58 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
59 TRACE_jvmci_1("CompilerToVM::" #name); \
60 TRACE_CALL(result_type, jvmci_ ## name signature) \
61 JVMCI_VM_ENTRY_MARK; \
62
63 #define C2V_END }
64
65 oop CompilerToVM::get_jvmci_method(const methodHandle& method, TRAPS) {
66 if (method() != NULL) {
67 JavaValue result(T_OBJECT);
68 JavaCallArguments args;
69 args.push_long((jlong) (address) method());
70 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedJavaMethodImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::method_fromMetaspace_signature(), &args, CHECK_NULL);
71
72 return (oop)result.get_jobject();
73 }
74 return NULL;
75 }
76
77 oop CompilerToVM::get_jvmci_type(KlassHandle klass, TRAPS) {
78 if (klass() != NULL) {
79 JavaValue result(T_OBJECT);
80 JavaCallArguments args;
81 args.push_oop(klass->java_mirror());
82 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedObjectTypeImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::klass_fromMetaspace_signature(), &args, CHECK_NULL);
83
84 return (oop)result.get_jobject();
85 }
86 return NULL;
87 }
88
89 extern "C" {
90 extern VMStructEntry* jvmciHotSpotVMStructs;
91 extern uint64_t jvmciHotSpotVMStructEntryTypeNameOffset;
92 extern uint64_t jvmciHotSpotVMStructEntryFieldNameOffset;
93 extern uint64_t jvmciHotSpotVMStructEntryTypeStringOffset;
94 extern uint64_t jvmciHotSpotVMStructEntryIsStaticOffset;
95 extern uint64_t jvmciHotSpotVMStructEntryOffsetOffset;
96 extern uint64_t jvmciHotSpotVMStructEntryAddressOffset;
97 extern uint64_t jvmciHotSpotVMStructEntryArrayStride;
98
99 extern VMTypeEntry* jvmciHotSpotVMTypes;
100 extern uint64_t jvmciHotSpotVMTypeEntryTypeNameOffset;
101 extern uint64_t jvmciHotSpotVMTypeEntrySuperclassNameOffset;
102 extern uint64_t jvmciHotSpotVMTypeEntryIsOopTypeOffset;
103 extern uint64_t jvmciHotSpotVMTypeEntryIsIntegerTypeOffset;
104 extern uint64_t jvmciHotSpotVMTypeEntryIsUnsignedOffset;
105 extern uint64_t jvmciHotSpotVMTypeEntrySizeOffset;
106 extern uint64_t jvmciHotSpotVMTypeEntryArrayStride;
107
108 extern VMIntConstantEntry* jvmciHotSpotVMIntConstants;
109 extern uint64_t jvmciHotSpotVMIntConstantEntryNameOffset;
110 extern uint64_t jvmciHotSpotVMIntConstantEntryValueOffset;
111 extern uint64_t jvmciHotSpotVMIntConstantEntryArrayStride;
112
113 extern VMLongConstantEntry* jvmciHotSpotVMLongConstants;
114 extern uint64_t jvmciHotSpotVMLongConstantEntryNameOffset;
115 extern uint64_t jvmciHotSpotVMLongConstantEntryValueOffset;
116 extern uint64_t jvmciHotSpotVMLongConstantEntryArrayStride;
117
118 extern VMAddressEntry* jvmciHotSpotVMAddresses;
119 extern uint64_t jvmciHotSpotVMAddressEntryNameOffset;
120 extern uint64_t jvmciHotSpotVMAddressEntryValueOffset;
121 extern uint64_t jvmciHotSpotVMAddressEntryArrayStride;
122 }
123
124 int CompilerToVM::Data::InstanceKlass_vtable_start_offset;
125 int CompilerToVM::Data::InstanceKlass_vtable_length_offset;
126
127 int CompilerToVM::Data::Method_extra_stack_entries;
128
129 address CompilerToVM::Data::SharedRuntime_ic_miss_stub;
130 address CompilerToVM::Data::SharedRuntime_handle_wrong_method_stub;
131 address CompilerToVM::Data::SharedRuntime_deopt_blob_unpack;
132 address CompilerToVM::Data::SharedRuntime_deopt_blob_uncommon_trap;
133
134 size_t CompilerToVM::Data::ThreadLocalAllocBuffer_alignment_reserve;
135
136 CollectedHeap* CompilerToVM::Data::Universe_collectedHeap;
137 int CompilerToVM::Data::Universe_base_vtable_size;
138 address CompilerToVM::Data::Universe_narrow_oop_base;
139 int CompilerToVM::Data::Universe_narrow_oop_shift;
140 address CompilerToVM::Data::Universe_narrow_klass_base;
141 int CompilerToVM::Data::Universe_narrow_klass_shift;
142 void* CompilerToVM::Data::Universe_non_oop_bits;
143 uintptr_t CompilerToVM::Data::Universe_verify_oop_mask;
144 uintptr_t CompilerToVM::Data::Universe_verify_oop_bits;
145
146 bool CompilerToVM::Data::_supports_inline_contig_alloc;
147 HeapWord** CompilerToVM::Data::_heap_end_addr;
148 HeapWord** CompilerToVM::Data::_heap_top_addr;
149
150 jbyte* CompilerToVM::Data::cardtable_start_address;
151 int CompilerToVM::Data::cardtable_shift;
152
153 void CompilerToVM::Data::initialize() {
154 InstanceKlass_vtable_start_offset = in_bytes(InstanceKlass::vtable_start_offset());
155 InstanceKlass_vtable_length_offset = in_bytes(InstanceKlass::vtable_length_offset());
156
157 Method_extra_stack_entries = Method::extra_stack_entries();
158
159 SharedRuntime_ic_miss_stub = SharedRuntime::get_ic_miss_stub();
160 SharedRuntime_handle_wrong_method_stub = SharedRuntime::get_handle_wrong_method_stub();
161 SharedRuntime_deopt_blob_unpack = SharedRuntime::deopt_blob()->unpack();
162 SharedRuntime_deopt_blob_uncommon_trap = SharedRuntime::deopt_blob()->uncommon_trap();
163
164 ThreadLocalAllocBuffer_alignment_reserve = ThreadLocalAllocBuffer::alignment_reserve();
165
166 Universe_collectedHeap = Universe::heap();
167 Universe_base_vtable_size = Universe::base_vtable_size();
168 Universe_narrow_oop_base = Universe::narrow_oop_base();
169 Universe_narrow_oop_shift = Universe::narrow_oop_shift();
170 Universe_narrow_klass_base = Universe::narrow_klass_base();
171 Universe_narrow_klass_shift = Universe::narrow_klass_shift();
172 Universe_non_oop_bits = Universe::non_oop_word();
173 Universe_verify_oop_mask = Universe::verify_oop_mask();
174 Universe_verify_oop_bits = Universe::verify_oop_bits();
175
176 _supports_inline_contig_alloc = Universe::heap()->supports_inline_contig_alloc();
177 _heap_end_addr = _supports_inline_contig_alloc ? Universe::heap()->end_addr() : (HeapWord**) -1;
178 _heap_top_addr = _supports_inline_contig_alloc ? Universe::heap()->top_addr() : (HeapWord**) -1;
179
180 BarrierSet* bs = Universe::heap()->barrier_set();
181 switch (bs->kind()) {
182 case BarrierSet::CardTableModRef:
183 case BarrierSet::CardTableForRS:
184 case BarrierSet::CardTableExtension:
185 case BarrierSet::G1SATBCT:
186 case BarrierSet::G1SATBCTLogging: {
187 jbyte* base = barrier_set_cast<CardTableModRefBS>(bs)->byte_map_base;
188 assert(base != 0, "unexpected byte_map_base");
189 cardtable_start_address = base;
190 cardtable_shift = CardTableModRefBS::card_shift;
191 break;
192 }
193 case BarrierSet::ModRef:
194 cardtable_start_address = 0;
195 cardtable_shift = 0;
196 // No post barriers
197 break;
198 default:
199 ShouldNotReachHere();
200 break;
201 }
202 }
203
204 /**
205 * We put all jvmciHotSpotVM values in an array so we can read them easily from Java.
206 */
207 static uintptr_t ciHotSpotVMData[28];
208
209 C2V_VMENTRY(jlong, initializeConfiguration, (JNIEnv *env, jobject))
210 ciHotSpotVMData[0] = (uintptr_t) jvmciHotSpotVMStructs;
211 ciHotSpotVMData[1] = jvmciHotSpotVMStructEntryTypeNameOffset;
212 ciHotSpotVMData[2] = jvmciHotSpotVMStructEntryFieldNameOffset;
213 ciHotSpotVMData[3] = jvmciHotSpotVMStructEntryTypeStringOffset;
214 ciHotSpotVMData[4] = jvmciHotSpotVMStructEntryIsStaticOffset;
215 ciHotSpotVMData[5] = jvmciHotSpotVMStructEntryOffsetOffset;
216 ciHotSpotVMData[6] = jvmciHotSpotVMStructEntryAddressOffset;
217 ciHotSpotVMData[7] = jvmciHotSpotVMStructEntryArrayStride;
218
219 ciHotSpotVMData[8] = (uintptr_t) jvmciHotSpotVMTypes;
220 ciHotSpotVMData[9] = jvmciHotSpotVMTypeEntryTypeNameOffset;
221 ciHotSpotVMData[10] = jvmciHotSpotVMTypeEntrySuperclassNameOffset;
222 ciHotSpotVMData[11] = jvmciHotSpotVMTypeEntryIsOopTypeOffset;
223 ciHotSpotVMData[12] = jvmciHotSpotVMTypeEntryIsIntegerTypeOffset;
224 ciHotSpotVMData[13] = jvmciHotSpotVMTypeEntryIsUnsignedOffset;
225 ciHotSpotVMData[14] = jvmciHotSpotVMTypeEntrySizeOffset;
226 ciHotSpotVMData[15] = jvmciHotSpotVMTypeEntryArrayStride;
227
228 ciHotSpotVMData[16] = (uintptr_t) jvmciHotSpotVMIntConstants;
229 ciHotSpotVMData[17] = jvmciHotSpotVMIntConstantEntryNameOffset;
230 ciHotSpotVMData[18] = jvmciHotSpotVMIntConstantEntryValueOffset;
231 ciHotSpotVMData[19] = jvmciHotSpotVMIntConstantEntryArrayStride;
232
233 ciHotSpotVMData[20] = (uintptr_t) jvmciHotSpotVMLongConstants;
234 ciHotSpotVMData[21] = jvmciHotSpotVMLongConstantEntryNameOffset;
235 ciHotSpotVMData[22] = jvmciHotSpotVMLongConstantEntryValueOffset;
236 ciHotSpotVMData[23] = jvmciHotSpotVMLongConstantEntryArrayStride;
237
238 ciHotSpotVMData[24] = (uintptr_t) jvmciHotSpotVMAddresses;
239 ciHotSpotVMData[25] = jvmciHotSpotVMAddressEntryNameOffset;
240 ciHotSpotVMData[26] = jvmciHotSpotVMAddressEntryValueOffset;
241 ciHotSpotVMData[27] = jvmciHotSpotVMAddressEntryArrayStride;
242
243 CompilerToVM::Data::initialize();
244
245 return (jlong) (address) &ciHotSpotVMData;
246 C2V_END
247
248 C2V_VMENTRY(jbyteArray, getBytecode, (JNIEnv *, jobject, jobject jvmci_method))
249 methodHandle method = CompilerToVM::asMethod(jvmci_method);
250 ResourceMark rm;
251
252 int code_size = method->code_size();
253 typeArrayOop reconstituted_code = oopFactory::new_byteArray(code_size, CHECK_NULL);
254
255 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten");
256 // iterate over all bytecodes and replace non-Java bytecodes
257
258 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) {
259 Bytecodes::Code code = s.code();
260 Bytecodes::Code raw_code = s.raw_code();
261 int bci = s.bci();
262 int len = s.instruction_size();
263
264 // Restore original byte code.
265 reconstituted_code->byte_at_put(bci, (jbyte) (s.is_wide()? Bytecodes::_wide : code));
266 if (len > 1) {
267 memcpy(reconstituted_code->byte_at_addr(bci + 1), s.bcp()+1, len-1);
268 }
269
270 if (len > 1) {
271 // Restore the big-endian constant pool indexes.
272 // Cf. Rewriter::scan_method
273 switch (code) {
274 case Bytecodes::_getstatic:
275 case Bytecodes::_putstatic:
276 case Bytecodes::_getfield:
277 case Bytecodes::_putfield:
278 case Bytecodes::_invokevirtual:
279 case Bytecodes::_invokespecial:
280 case Bytecodes::_invokestatic:
281 case Bytecodes::_invokeinterface:
282 case Bytecodes::_invokehandle: {
283 int cp_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
284 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
285 break;
286 }
287
288 case Bytecodes::_invokedynamic:
289 int cp_index = Bytes::get_native_u4((address) reconstituted_code->byte_at_addr(bci + 1));
290 Bytes::put_Java_u4((address) reconstituted_code->byte_at_addr(bci + 1), (u4) cp_index);
291 break;
292 }
293
294 // Not all ldc byte code are rewritten.
295 switch (raw_code) {
296 case Bytecodes::_fast_aldc: {
297 int cpc_index = reconstituted_code->byte_at(bci + 1) & 0xff;
298 int cp_index = method->constants()->object_to_cp_index(cpc_index);
299 assert(cp_index < method->constants()->length(), "sanity check");
300 reconstituted_code->byte_at_put(bci + 1, (jbyte) cp_index);
301 break;
302 }
303
304 case Bytecodes::_fast_aldc_w: {
305 int cpc_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
306 int cp_index = method->constants()->object_to_cp_index(cpc_index);
307 assert(cp_index < method->constants()->length(), "sanity check");
308 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
309 break;
310 }
311 }
312 }
313 }
314
315 return (jbyteArray) JNIHandles::make_local(THREAD, reconstituted_code);
316 C2V_END
317
318 C2V_VMENTRY(jint, getExceptionTableLength, (JNIEnv *, jobject, jobject jvmci_method))
319 ResourceMark rm;
320 methodHandle method = CompilerToVM::asMethod(jvmci_method);
321 return method->exception_table_length();
322 C2V_END
323
324 C2V_VMENTRY(jlong, getExceptionTableStart, (JNIEnv *, jobject, jobject jvmci_method))
325 ResourceMark rm;
326 methodHandle method = CompilerToVM::asMethod(jvmci_method);
327 if (method->exception_table_length() == 0) {
328 return 0L;
329 }
330 return (jlong) (address) method->exception_table_start();
331 C2V_END
332
333 C2V_VMENTRY(jobject, getResolvedJavaMethodAtSlot, (JNIEnv *, jobject, jclass holder_handle, jint slot))
334 oop java_class = JNIHandles::resolve(holder_handle);
335 Klass* holder = java_lang_Class::as_Klass(java_class);
336 methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot);
337 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
338 return JNIHandles::make_local(THREAD, result);
339 }
340
341 C2V_VMENTRY(jobject, getResolvedJavaMethod, (JNIEnv *, jobject, jobject base, jlong offset))
342 methodHandle method;
343 oop base_object = JNIHandles::resolve(base);
344 if (base_object == NULL) {
345 method = *((Method**)(offset));
346 } else if (base_object->is_a(SystemDictionary::MemberName_klass())) {
347 method = (Method*) (intptr_t) base_object->long_field(offset);
348 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
349 method = *((Method**)(HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object) + offset));
350 } else {
351 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
352 err_msg("Unexpected type: %s", base_object->klass()->external_name()));
353 }
354 assert (method.is_null() || method->is_method(), "invalid read");
355 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
356 return JNIHandles::make_local(THREAD, result);
357 }
358
359 C2V_VMENTRY(jobject, getConstantPool, (JNIEnv *, jobject, jobject base, jlong offset))
360 constantPoolHandle cp;
361 oop base_object = JNIHandles::resolve(base);
362 jlong base_address = 0;
363 if (base_object != NULL) {
364 if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
365 base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object);
366 } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) {
367 base_address = HotSpotConstantPool::metaspaceConstantPool(base_object);
368 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
369 base_address = (jlong) CompilerToVM::asKlass(base_object);
370 } else {
371 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
372 err_msg("Unexpected type: %s", base_object->klass()->external_name()));
373 }
374 }
375 cp = *((ConstantPool**) (intptr_t) (base_address + offset));
376 if (!cp.is_null()) {
377 JavaValue method_result(T_OBJECT);
378 JavaCallArguments args;
379 args.push_long((jlong) (address) cp());
380 JavaCalls::call_static(&method_result, SystemDictionary::HotSpotConstantPool_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::constantPool_fromMetaspace_signature(), &args, CHECK_NULL);
381 return JNIHandles::make_local(THREAD, (oop)method_result.get_jobject());
382 }
383 return NULL;
384 }
385
386 C2V_VMENTRY(jobject, getResolvedJavaType, (JNIEnv *, jobject, jobject base, jlong offset, jboolean compressed))
387 KlassHandle klass;
388 oop base_object = JNIHandles::resolve(base);
389 jlong base_address = 0;
390 if (base_object != NULL && offset == oopDesc::klass_offset_in_bytes()) {
391 klass = base_object->klass();
392 } else if (!compressed) {
393 if (base_object != NULL) {
394 if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
395 base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object);
396 } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) {
397 base_address = HotSpotConstantPool::metaspaceConstantPool(base_object);
398 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
399 base_address = (jlong) CompilerToVM::asKlass(base_object);
400 } else if (base_object->is_a(SystemDictionary::Class_klass())) {
401 base_address = (jlong) (address) base_object;
402 } else {
403 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
404 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
405 }
406 }
407 klass = *((Klass**) (intptr_t) (base_address + offset));
408 } else {
409 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
410 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
411 }
412 assert (klass.is_null() || klass->is_klass(), "invalid read");
413 oop result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
414 return JNIHandles::make_local(THREAD, result);
415 }
416
417 C2V_VMENTRY(jobject, findUniqueConcreteMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
418 ResourceMark rm;
419 methodHandle method = CompilerToVM::asMethod(jvmci_method);
420 KlassHandle holder = CompilerToVM::asKlass(jvmci_type);
421 if (holder->is_interface()) {
422 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", holder->external_name()));
423 }
424
425 methodHandle ucm;
426 {
427 MutexLocker locker(Compile_lock);
428 ucm = Dependencies::find_unique_concrete_method(holder(), method());
429 }
430 oop result = CompilerToVM::get_jvmci_method(ucm, CHECK_NULL);
431 return JNIHandles::make_local(THREAD, result);
432 C2V_END
433
434 C2V_VMENTRY(jobject, getImplementor, (JNIEnv *, jobject, jobject jvmci_type))
435 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type);
436 oop implementor = CompilerToVM::get_jvmci_type(klass->implementor(), CHECK_NULL);
437 return JNIHandles::make_local(THREAD, implementor);
438 C2V_END
439
440 C2V_VMENTRY(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv *, jobject, jobject jvmci_method))
441 methodHandle method = CompilerToVM::asMethod(jvmci_method);
442 return method->is_ignored_by_security_stack_walk();
443 C2V_END
444
445 C2V_VMENTRY(jboolean, canInlineMethod,(JNIEnv *, jobject, jobject jvmci_method))
446 methodHandle method = CompilerToVM::asMethod(jvmci_method);
447 return !method->is_not_compilable() && !CompilerOracle::should_not_inline(method) && !method->dont_inline();
448 C2V_END
449
450 C2V_VMENTRY(jboolean, shouldInlineMethod,(JNIEnv *, jobject, jobject jvmci_method))
451 methodHandle method = CompilerToVM::asMethod(jvmci_method);
452 return CompilerOracle::should_inline(method) || method->force_inline();
453 C2V_END
454
455 C2V_VMENTRY(jobject, lookupType, (JNIEnv*, jobject, jstring jname, jclass accessing_class, jboolean resolve))
456 ResourceMark rm;
457 Handle name = JNIHandles::resolve(jname);
458 Symbol* class_name = java_lang_String::as_symbol(name, CHECK_0);
459 if (java_lang_String::length(name()) <= 1) {
460 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string()));
461 }
462
463 Klass* resolved_klass = NULL;
464 Handle class_loader;
465 Handle protection_domain;
466 if (JNIHandles::resolve(accessing_class) == NULL) {
467 THROW_0(vmSymbols::java_lang_NullPointerException());
468 }
469 Klass* accessing_klass = java_lang_Class::as_Klass(JNIHandles::resolve(accessing_class));
470 class_loader = accessing_klass->class_loader();
471 protection_domain = accessing_klass->protection_domain();
472
473 if (resolve) {
474 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0);
475 } else {
476 if (class_name->byte_at(0) == 'L' &&
477 class_name->byte_at(class_name->utf8_length()-1) == ';') {
478 // This is a name from a signature. Strip off the trimmings.
479 // Call recursive to keep scope of strippedsym.
480 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1,
481 class_name->utf8_length()-2,
482 CHECK_0);
483 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0);
484 } else if (FieldType::is_array(class_name)) {
485 FieldArrayInfo fd;
486 // dimension and object_key in FieldArrayInfo are assigned as a side-effect
487 // of this call
488 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0);
489 if (t == T_OBJECT) {
490 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(),
491 class_name->utf8_length()-2-fd.dimension(),
492 CHECK_0);
493 // naked oop "k" is OK here -- we assign back into it
494 resolved_klass = SystemDictionary::find(strippedsym,
495 class_loader,
496 protection_domain,
497 CHECK_0);
498 if (resolved_klass != NULL) {
499 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0);
500 }
501 } else {
502 resolved_klass = Universe::typeArrayKlassObj(t);
503 resolved_klass = TypeArrayKlass::cast(resolved_klass)->array_klass(fd.dimension(), CHECK_0);
504 }
505 }
506 }
507 Handle result = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
508 return JNIHandles::make_local(THREAD, result());
509 C2V_END
510
511 C2V_VMENTRY(jobject, resolveConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
512 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
513 oop result = cp->resolve_constant_at(index, CHECK_NULL);
514 return JNIHandles::make_local(THREAD, result);
515 C2V_END
516
517 C2V_VMENTRY(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
518 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
519 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL);
520 return JNIHandles::make_local(THREAD, result);
521 C2V_END
522
523 C2V_VMENTRY(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
524 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
525 return cp->name_and_type_ref_index_at(index);
526 C2V_END
527
528 C2V_VMENTRY(jobject, lookupNameInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
529 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
530 Handle sym = java_lang_String::create_from_symbol(cp->name_ref_at(which), CHECK_NULL);
531 return JNIHandles::make_local(THREAD, sym());
532 C2V_END
533
534 C2V_VMENTRY(jobject, lookupSignatureInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
535 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
536 Handle sym = java_lang_String::create_from_symbol(cp->signature_ref_at(which), CHECK_NULL);
537 return JNIHandles::make_local(THREAD, sym());
538 C2V_END
539
540 C2V_VMENTRY(jint, lookupKlassRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
541 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
542 return cp->klass_ref_index_at(index);
543 C2V_END
544
545 C2V_VMENTRY(jobject, resolveTypeInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
546 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
547 Klass* resolved_klass = cp->klass_at(index, CHECK_NULL);
548 Handle klass = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
549 return JNIHandles::make_local(THREAD, klass());
550 C2V_END
551
552 C2V_VMENTRY(jobject, lookupKlassInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
553 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
554 KlassHandle loading_klass(cp->pool_holder());
555 bool is_accessible = false;
556 KlassHandle klass = JVMCIEnv::get_klass_by_index(cp, index, is_accessible, loading_klass);
557 Symbol* symbol = NULL;
558 if (klass.is_null()) {
559 symbol = cp->klass_name_at(index);
560 }
561 Handle result;
562 if (!klass.is_null()) {
563 result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
564 } else {
565 result = java_lang_String::create_from_symbol(symbol, CHECK_NULL);
566 }
567 return JNIHandles::make_local(THREAD, result());
568 C2V_END
569
570 C2V_VMENTRY(jobject, lookupAppendixInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
571 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
572 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index);
573 return JNIHandles::make_local(THREAD, appendix_oop);
574 C2V_END
575
576 C2V_VMENTRY(jobject, lookupMethodInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
577 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
578 instanceKlassHandle pool_holder(cp->pool_holder());
579 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
580 methodHandle method = JVMCIEnv::get_method_by_index(cp, index, bc, pool_holder);
581 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
582 return JNIHandles::make_local(THREAD, result);
583 C2V_END
584
585 C2V_VMENTRY(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
586 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
587 return cp->remap_instruction_operand_from_cache(index);
588 C2V_END
589
590 C2V_VMENTRY(jobject, resolveFieldInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode, jlongArray info_handle))
591 ResourceMark rm;
592 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
593 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF);
594 fieldDescriptor fd;
595 LinkInfo link_info(cp, index, CHECK_0);
596 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0);
597 typeArrayOop info = (typeArrayOop) JNIHandles::resolve(info_handle);
598 assert(info != NULL && info->length() == 2, "must be");
599 info->long_at_put(0, (jlong) fd.access_flags().as_int());
600 info->long_at_put(1, (jlong) fd.offset());
601 oop field_holder = CompilerToVM::get_jvmci_type(fd.field_holder(), CHECK_NULL);
602 return JNIHandles::make_local(THREAD, field_holder);
603 C2V_END
604
605 C2V_VMENTRY(jint, getVtableIndexForInterfaceMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
606 ResourceMark rm;
607 Klass* klass = CompilerToVM::asKlass(jvmci_type);
608 Method* method = CompilerToVM::asMethod(jvmci_method);
609 if (klass->is_interface()) {
610 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", klass->external_name()));
611 }
612 if (!method->method_holder()->is_interface()) {
613 THROW_MSG_0(vmSymbols::java_lang_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()));
614 }
615 if (!InstanceKlass::cast(klass)->is_linked()) {
616 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Class %s must be linked", klass->external_name()));
617 }
618 return LinkResolver::vtable_index_of_interface_method(klass, method);
619 C2V_END
620
621 C2V_VMENTRY(jobject, resolveMethod, (JNIEnv *, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type))
622 Klass* recv_klass = CompilerToVM::asKlass(receiver_jvmci_type);
623 Klass* caller_klass = CompilerToVM::asKlass(caller_jvmci_type);
624 Method* method = CompilerToVM::asMethod(jvmci_method);
625
626 if (recv_klass->is_array_klass() || (InstanceKlass::cast(recv_klass)->is_linked())) {
627 Klass* holder_klass = method->method_holder();
628 Symbol* method_name = method->name();
629 Symbol* method_signature = method->signature();
630
631 if (holder_klass->is_interface()) {
632 // do link-time resolution to check all access rules.
633 LinkInfo link_info(holder_klass, method_name, method_signature, caller_klass);
634 methodHandle resolved_method = LinkResolver::linktime_resolve_interface_method_or_null(link_info);
635 if (resolved_method.is_null() || resolved_method->is_private()) {
636 return NULL;
637 }
638 assert(recv_klass->is_subtype_of(holder_klass), "");
639 // do actual lookup
640 methodHandle sel_method = LinkResolver::lookup_instance_method_in_klasses(recv_klass, resolved_method->name(), resolved_method->signature(), CHECK_AND_CLEAR_0);
641 oop result = CompilerToVM::get_jvmci_method(sel_method, CHECK_NULL);
642 return JNIHandles::make_local(THREAD, result);
643 } else {
644 // do link-time resolution to check all access rules.
645 LinkInfo link_info(holder_klass, method_name, method_signature, caller_klass);
646 methodHandle resolved_method = LinkResolver::linktime_resolve_virtual_method_or_null(link_info);
647 if (resolved_method.is_null()) {
648 return NULL;
649 }
650 // do actual lookup (see LinkResolver::runtime_resolve_virtual_method)
651 int vtable_index = Method::invalid_vtable_index;
652 Method* selected_method;
653
654 if (resolved_method->method_holder()->is_interface()) { // miranda method
655 vtable_index = LinkResolver::vtable_index_of_interface_method(holder_klass, resolved_method);
656 assert(vtable_index >= 0 , "we should have valid vtable index at this point");
657
658 InstanceKlass* inst = InstanceKlass::cast(recv_klass);
659 selected_method = inst->method_at_vtable(vtable_index);
660 } else {
661 // at this point we are sure that resolved_method is virtual and not
662 // a miranda method; therefore, it must have a valid vtable index.
663 assert(!resolved_method->has_itable_index(), "");
664 vtable_index = resolved_method->vtable_index();
665 // We could get a negative vtable_index for final methods,
666 // because as an optimization they are they are never put in the vtable,
667 // unless they override an existing method.
668 // If we do get a negative, it means the resolved method is the the selected
669 // method, and it can never be changed by an override.
670 if (vtable_index == Method::nonvirtual_vtable_index) {
671 assert(resolved_method->can_be_statically_bound(), "cannot override this method");
672 selected_method = resolved_method();
673 } else {
674 // recv_klass might be an arrayKlassOop but all vtables start at
675 // the same place. The cast is to avoid virtual call and assertion.
676 InstanceKlass* inst = (InstanceKlass*)recv_klass;
677 selected_method = inst->method_at_vtable(vtable_index);
678 }
679 }
680 oop result = CompilerToVM::get_jvmci_method(selected_method, CHECK_NULL);
681 return JNIHandles::make_local(THREAD, result);
682 }
683 }
684 return NULL;
685 C2V_END
686
687 C2V_VMENTRY(jboolean, hasFinalizableSubclass,(JNIEnv *, jobject, jobject jvmci_type))
688 Klass* klass = CompilerToVM::asKlass(jvmci_type);
689 assert(klass != NULL, "method must not be called for primitive types");
690 return Dependencies::find_finalizable_subclass(klass) != NULL;
691 C2V_END
692
693 C2V_VMENTRY(jobject, getClassInitializer, (JNIEnv *, jobject, jobject jvmci_type))
694 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type);
695 oop result = CompilerToVM::get_jvmci_method(klass->class_initializer(), CHECK_NULL);
696 return JNIHandles::make_local(THREAD, result);
697 C2V_END
698
699 C2V_VMENTRY(jlong, getMaxCallTargetOffset, (JNIEnv*, jobject, jlong addr))
700 address target_addr = (address) addr;
701 if (target_addr != 0x0) {
702 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int));
703 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int));
704 return MAX2(ABS(off_low), ABS(off_high));
705 }
706 return -1;
707 C2V_END
708
709 C2V_VMENTRY(void, doNotInlineOrCompile,(JNIEnv *, jobject, jobject jvmci_method))
710 methodHandle method = CompilerToVM::asMethod(jvmci_method);
711 method->set_not_c1_compilable();
712 method->set_not_c2_compilable();
713 method->set_dont_inline(true);
714 C2V_END
715
716 C2V_VMENTRY(jint, installCode, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject installed_code, jobject speculation_log))
717 ResourceMark rm;
718 HandleMark hm;
719 Handle target_handle = JNIHandles::resolve(target);
720 Handle compiled_code_handle = JNIHandles::resolve(compiled_code);
721 CodeBlob* cb = NULL;
722 Handle installed_code_handle = JNIHandles::resolve(installed_code);
723 Handle speculation_log_handle = JNIHandles::resolve(speculation_log);
724
725 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK_JNI_ERR);
726
727 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer());
728 CodeInstaller installer;
729 JVMCIEnv::CodeInstallResult result = installer.install(compiler, target_handle, compiled_code_handle, cb, installed_code_handle, speculation_log_handle, CHECK_0);
730
731 if (PrintCodeCacheOnCompilation) {
732 stringStream s;
733 // Dump code cache into a buffer before locking the tty,
734 {
735 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
736 CodeCache::print_summary(&s, false);
737 }
738 ttyLocker ttyl;
739 tty->print_raw_cr(s.as_string());
740 }
741
742 if (result != JVMCIEnv::ok) {
743 assert(cb == NULL, "should be");
744 } else {
745 if (!installed_code_handle.is_null()) {
746 assert(installed_code_handle->is_a(InstalledCode::klass()), "wrong type");
747 nmethod::invalidate_installed_code(installed_code_handle, CHECK_0);
748 {
749 // Ensure that all updates to the InstalledCode fields are consistent.
750 MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag);
751 InstalledCode::set_address(installed_code_handle, (jlong) cb);
752 InstalledCode::set_version(installed_code_handle, InstalledCode::version(installed_code_handle) + 1);
753 if (cb->is_nmethod()) {
754 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->as_nmethod_or_null()->verified_entry_point());
755 } else {
756 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->code_begin());
757 }
758 if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) {
759 HotSpotInstalledCode::set_size(installed_code_handle, cb->size());
760 HotSpotInstalledCode::set_codeStart(installed_code_handle, (jlong) cb->code_begin());
761 HotSpotInstalledCode::set_codeSize(installed_code_handle, cb->code_size());
762 }
763 }
764 nmethod* nm = cb->as_nmethod_or_null();
765 if (nm != NULL && installed_code_handle->is_scavengable()) {
766 assert(nm->detect_scavenge_root_oops(), "nm should be scavengable if installed_code is scavengable");
767 if (!UseG1GC) {
768 assert(nm->on_scavenge_root_list(), "nm should be on scavengable list");
769 }
770 }
771 }
772 }
773 return result;
774 C2V_END
775
776 C2V_VMENTRY(jint, getMetadata, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject metadata))
777 ResourceMark rm;
778 HandleMark hm;
779
780 Handle target_handle = JNIHandles::resolve(target);
781 Handle compiled_code_handle = JNIHandles::resolve(compiled_code);
782 Handle metadata_handle = JNIHandles::resolve(metadata);
783
784 HotSpotOopMap::klass()->initialize(thread);
785
786 CodeMetadata code_metadata;
787 CodeBlob *cb = NULL;
788 CodeInstaller installer;
789
790 JVMCIEnv::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, CHECK_0); //cb, pc_descs, nr_pc_descs, scopes_descs, scopes_size, reloc_buffer);
791 if (result != JVMCIEnv::ok) {
792 return result;
793 }
794
795 if (code_metadata.get_nr_pc_desc() > 0) {
796 typeArrayHandle pcArrayOop = oopFactory::new_byteArray(sizeof(PcDesc) * code_metadata.get_nr_pc_desc(), CHECK_(JVMCIEnv::cache_full));
797 memcpy(pcArrayOop->byte_at_addr(0), code_metadata.get_pc_desc(), sizeof(PcDesc) * code_metadata.get_nr_pc_desc());
798 HotSpotMetaData::set_pcDescBytes(metadata_handle, pcArrayOop());
799 }
800
801 if (code_metadata.get_scopes_size() > 0) {
802 typeArrayHandle scopesArrayOop = oopFactory::new_byteArray(code_metadata.get_scopes_size(), CHECK_(JVMCIEnv::cache_full));
803 memcpy(scopesArrayOop->byte_at_addr(0), code_metadata.get_scopes_desc(), code_metadata.get_scopes_size());
804 HotSpotMetaData::set_scopesDescBytes(metadata_handle, scopesArrayOop());
805 }
806
807 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer();
808 typeArrayHandle relocArrayOop = oopFactory::new_byteArray((int) reloc_buffer->size(), CHECK_(JVMCIEnv::cache_full));
809 if (reloc_buffer->size() > 0) {
810 memcpy(relocArrayOop->byte_at_addr(0), reloc_buffer->begin(), reloc_buffer->size());
811 }
812 HotSpotMetaData::set_relocBytes(metadata_handle, relocArrayOop());
813
814 const OopMapSet* oopMapSet = installer.oopMapSet();
815 {
816 ResourceMark mark;
817 ImmutableOopMapBuilder builder(oopMapSet);
818 int oopmap_size = builder.heap_size();
819 typeArrayHandle oopMapArrayHandle = oopFactory::new_byteArray(oopmap_size, CHECK_(JVMCIEnv::cache_full));
820 builder.generate_into((address) oopMapArrayHandle->byte_at_addr(0));
821 HotSpotMetaData::set_oopMaps(metadata_handle, oopMapArrayHandle());
822 }
823
824 HotSpotMetaData::set_metadata(metadata_handle, NULL);
825
826 ExceptionHandlerTable* handler = code_metadata.get_exception_table();
827 int table_size = handler->size_in_bytes();
828 typeArrayHandle exceptionArrayOop = oopFactory::new_byteArray(table_size, CHECK_(JVMCIEnv::cache_full));
829
830 if (table_size > 0) {
831 handler->copy_bytes_to((address) exceptionArrayOop->byte_at_addr(0));
832 }
833 HotSpotMetaData::set_exceptionBytes(metadata_handle, exceptionArrayOop());
834
835 return result;
836 C2V_END
837
838 C2V_VMENTRY(void, notifyCompilationStatistics, (JNIEnv *jniEnv, jobject, jint id, jobject hotspot_method, jboolean osr, jint processedBytecodes, jlong time, jlong timeUnitsPerSecond, jobject installed_code))
839 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK);
840 CompilerStatistics* stats = compiler->stats();
841
842 elapsedTimer timer = elapsedTimer(time, timeUnitsPerSecond);
843 if (osr) {
844 stats->_osr.update(timer, processedBytecodes);
845 } else {
846 stats->_standard.update(timer, processedBytecodes);
847 }
848 Handle installed_code_handle = JNIHandles::resolve(installed_code);
849 if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) {
850 stats->_nmethods_size += HotSpotInstalledCode::size(installed_code_handle);
851 stats->_nmethods_code_size += HotSpotInstalledCode::codeSize(installed_code_handle);
852 }
853
854 if (CITimeEach) {
855 methodHandle method = CompilerToVM::asMethod(hotspot_method);
856 float bytes_per_sec = 1.0 * processedBytecodes / timer.seconds();
857 tty->print_cr("%3d seconds: %f bytes/sec: %f (bytes %d)",
858 id, timer.seconds(), bytes_per_sec, processedBytecodes);
859 }
860 C2V_END
861
862 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv *jniEnv, jobject))
863 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK);
864 CompilerStatistics* stats = compiler->stats();
865 stats->_standard.reset();
866 stats->_osr.reset();
867 C2V_END
868
869 C2V_VMENTRY(jobject, disassembleCodeBlob, (JNIEnv *jniEnv, jobject, jobject installedCode))
870 ResourceMark rm;
871 HandleMark hm;
872
873 if (installedCode == NULL) {
874 THROW_MSG_NULL(vmSymbols::java_lang_NullPointerException(), "installedCode is null");
875 }
876
877 jlong codeBlob = InstalledCode::address(installedCode);
878 if (codeBlob == 0L) {
879 return NULL;
880 }
881
882 CodeBlob* cb = (CodeBlob*) (address) codeBlob;
883 if (cb == NULL) {
884 return NULL;
885 }
886
887 // We don't want the stringStream buffer to resize during disassembly as it
888 // uses scoped resource memory. If a nested function called during disassembly uses
889 // a ResourceMark and the buffer expands within the scope of the mark,
890 // the buffer becomes garbage when that scope is exited. Experience shows that
891 // the disassembled code is typically about 10x the code size so a fixed buffer
892 // sized to 20x code size plus a fixed amount for header info should be sufficient.
893 int bufferSize = cb->code_size() * 20 + 1024;
894 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize);
895 stringStream st(buffer, bufferSize);
896 if (cb->is_nmethod()) {
897 nmethod* nm = (nmethod*) cb;
898 if (!nm->is_alive()) {
899 return NULL;
900 }
901 Disassembler::decode(nm, &st);
902 } else {
903 Disassembler::decode(cb, &st);
904 }
905 if (st.size() <= 0) {
906 return NULL;
907 }
908
909 Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL);
910 return JNIHandles::make_local(THREAD, result());
911 C2V_END
912
913 C2V_VMENTRY(jobject, getStackTraceElement, (JNIEnv*, jobject, jobject jvmci_method, int bci))
914 ResourceMark rm;
915 HandleMark hm;
916
917 methodHandle method = CompilerToVM::asMethod(jvmci_method);
918 oop element = java_lang_StackTraceElement::create(method, bci, CHECK_NULL);
919 return JNIHandles::make_local(THREAD, element);
920 C2V_END
921
922 C2V_VMENTRY(jobject, executeInstalledCode, (JNIEnv*, jobject, jobject args, jobject hotspotInstalledCode))
923 ResourceMark rm;
924 HandleMark hm;
925
926 jlong nmethodValue = InstalledCode::address(hotspotInstalledCode);
927 if (nmethodValue == 0L) {
928 THROW_NULL(vmSymbols::jdk_vm_ci_code_InvalidInstalledCodeException());
929 }
930 nmethod* nm = (nmethod*) (address) nmethodValue;
931 methodHandle mh = nm->method();
932 Symbol* signature = mh->signature();
933 JavaCallArguments jca(mh->size_of_parameters());
934
935 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
936 JavaValue result(jap.get_ret_type());
937 jca.set_alternative_target(nm);
938 JavaCalls::call(&result, mh, &jca, CHECK_NULL);
939
940 if (jap.get_ret_type() == T_VOID) {
941 return NULL;
942 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) {
943 return JNIHandles::make_local(THREAD, (oop) result.get_jobject());
944 } else {
945 jvalue *value = (jvalue *) result.get_value_addr();
946 // Narrow the value down if required (Important on big endian machines)
947 switch (jap.get_ret_type()) {
948 case T_BOOLEAN:
949 value->z = (jboolean) value->i;
950 break;
951 case T_BYTE:
952 value->b = (jbyte) value->i;
953 break;
954 case T_CHAR:
955 value->c = (jchar) value->i;
956 break;
957 case T_SHORT:
958 value->s = (jshort) value->i;
959 break;
960 }
961 oop o = java_lang_boxing_object::create(jap.get_ret_type(), value, CHECK_NULL);
962 return JNIHandles::make_local(THREAD, o);
963 }
964 C2V_END
965
966 C2V_VMENTRY(jlongArray, getLineNumberTable, (JNIEnv *, jobject, jobject jvmci_method))
967 Method* method = CompilerToVM::asMethod(jvmci_method);
968 if (!method->has_linenumber_table()) {
969 return NULL;
970 }
971 u2 num_entries = 0;
972 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
973 while (streamForSize.read_pair()) {
974 num_entries++;
975 }
976
977 CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
978 typeArrayOop result = oopFactory::new_longArray(2 * num_entries, CHECK_NULL);
979
980 int i = 0;
981 jlong value;
982 while (stream.read_pair()) {
983 value = ((long) stream.bci());
984 result->long_at_put(i, value);
985 value = ((long) stream.line());
986 result->long_at_put(i + 1, value);
987 i += 2;
988 }
989
990 return (jlongArray) JNIHandles::make_local(THREAD, result);
991 C2V_END
992
993 C2V_VMENTRY(jlong, getLocalVariableTableStart, (JNIEnv *, jobject, jobject jvmci_method))
994 ResourceMark rm;
995 Method* method = CompilerToVM::asMethod(jvmci_method);
996 if (!method->has_localvariable_table()) {
997 return 0;
998 }
999 return (jlong) (address) method->localvariable_table_start();
1000 C2V_END
1001
1002 C2V_VMENTRY(jint, getLocalVariableTableLength, (JNIEnv *, jobject, jobject jvmci_method))
1003 ResourceMark rm;
1004 Method* method = CompilerToVM::asMethod(jvmci_method);
1005 return method->localvariable_table_length();
1006 C2V_END
1007
1008 C2V_VMENTRY(void, reprofile, (JNIEnv*, jobject, jobject jvmci_method))
1009 Method* method = CompilerToVM::asMethod(jvmci_method);
1010 MethodCounters* mcs = method->method_counters();
1011 if (mcs != NULL) {
1012 mcs->clear_counters();
1013 }
1014 NOT_PRODUCT(method->set_compiled_invocation_count(0));
1015
1016 nmethod* code = method->code();
1017 if (code != NULL) {
1018 code->make_not_entrant();
1019 }
1020
1021 MethodData* method_data = method->method_data();
1022 if (method_data == NULL) {
1023 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
1024 method_data = MethodData::allocate(loader_data, method, CHECK);
1025 method->set_method_data(method_data);
1026 } else {
1027 method_data->initialize();
1028 }
1029 C2V_END
1030
1031
1032 C2V_VMENTRY(void, invalidateInstalledCode, (JNIEnv*, jobject, jobject installed_code))
1033 Handle installed_code_handle = JNIHandles::resolve(installed_code);
1034 nmethod::invalidate_installed_code(installed_code_handle, CHECK);
1035 C2V_END
1036
1037 C2V_VMENTRY(jobject, readUncompressedOop, (JNIEnv*, jobject, jlong addr))
1038 oop ret = oopDesc::load_decode_heap_oop((oop*)(address)addr);
1039 return JNIHandles::make_local(THREAD, ret);
1040 C2V_END
1041
1042 C2V_VMENTRY(jlongArray, collectCounters, (JNIEnv*, jobject))
1043 typeArrayOop arrayOop = oopFactory::new_longArray(JVMCICounterSize, CHECK_NULL);
1044 JavaThread::collect_counters(arrayOop);
1045 return (jlongArray) JNIHandles::make_local(THREAD, arrayOop);
1046 C2V_END
1047
1048 C2V_VMENTRY(int, allocateCompileId, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci))
1049 HandleMark hm;
1050 ResourceMark rm;
1051 if (JNIHandles::resolve(jvmci_method) == NULL) {
1052 THROW_0(vmSymbols::java_lang_NullPointerException());
1053 }
1054 Method* method = CompilerToVM::asMethod(jvmci_method);
1055 if (entry_bci >= method->code_size() || entry_bci < -1) {
1056 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Unexpected bci %d", entry_bci));
1057 }
1058 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
1059 C2V_END
1060
1061
1062 C2V_VMENTRY(jboolean, isMature, (JNIEnv*, jobject, jlong metaspace_method_data))
1063 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1064 return mdo != NULL && mdo->is_mature();
1065 C2V_END
1066
1067 C2V_VMENTRY(jboolean, hasCompiledCodeForOSR, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci, int comp_level))
1068 Method* method = CompilerToVM::asMethod(jvmci_method);
1069 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
1070 C2V_END
1071
1072 C2V_VMENTRY(jobject, getSymbol, (JNIEnv*, jobject, jlong symbol))
1073 Handle sym = java_lang_String::create_from_symbol((Symbol*)(address)symbol, CHECK_NULL);
1074 return JNIHandles::make_local(THREAD, sym());
1075 C2V_END
1076
1077 bool matches(jobjectArray methods, Method* method) {
1078 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods);
1079
1080 for (int i = 0; i < methods_oop->length(); i++) {
1081 oop resolved = methods_oop->obj_at(i);
1082 if (resolved->is_a(HotSpotResolvedJavaMethodImpl::klass()) && CompilerToVM::asMethod(resolved) == method) {
1083 return true;
1084 }
1085 }
1086 return false;
1087 }
1088
1089 C2V_VMENTRY(jobject, getNextStackFrame, (JNIEnv*, jobject compilerToVM, jobject hs_frame, jobjectArray methods, jint initialSkip))
1090 ResourceMark rm;
1091
1092 if (!thread->has_last_Java_frame()) return NULL;
1093 Handle result = HotSpotStackFrameReference::klass()->allocate_instance(thread);
1094 HotSpotStackFrameReference::klass()->initialize(thread);
1095
1096 StackFrameStream fst(thread);
1097 if (hs_frame != NULL) {
1098 // look for the correct stack frame if one is given
1099 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1100 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1101 fst.next();
1102 }
1103 if (fst.current()->sp() != stack_pointer) {
1104 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1105 }
1106 }
1107
1108 int frame_number = 0;
1109 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1110 if (hs_frame != NULL) {
1111 // look for the correct vframe within the stack frame if one is given
1112 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1113 while (frame_number < last_frame_number) {
1114 if (vf->is_top()) {
1115 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1116 }
1117 vf = vf->sender();
1118 frame_number ++;
1119 }
1120 // move one frame forward
1121 if (vf->is_top()) {
1122 if (fst.is_done()) {
1123 return NULL;
1124 }
1125 fst.next();
1126 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1127 frame_number = 0;
1128 } else {
1129 vf = vf->sender();
1130 frame_number++;
1131 }
1132 }
1133
1134 while (true) {
1135 // look for the given method
1136 while (true) {
1137 StackValueCollection* locals = NULL;
1138 if (vf->is_compiled_frame()) {
1139 // compiled method frame
1140 compiledVFrame* cvf = compiledVFrame::cast(vf);
1141 if (methods == NULL || matches(methods, cvf->method())) {
1142 if (initialSkip > 0) {
1143 initialSkip --;
1144 } else {
1145 ScopeDesc* scope = cvf->scope();
1146 // native wrapper do not have a scope
1147 if (scope != NULL && scope->objects() != NULL) {
1148 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), scope->objects(), THREAD);
1149 Deoptimization::reassign_fields(fst.current(), fst.register_map(), scope->objects(), realloc_failures, false);
1150
1151 GrowableArray<ScopeValue*>* local_values = scope->locals();
1152 typeArrayHandle array = oopFactory::new_boolArray(local_values->length(), thread);
1153 for (int i = 0; i < local_values->length(); i++) {
1154 ScopeValue* value = local_values->at(i);
1155 if (value->is_object()) {
1156 array->bool_at_put(i, true);
1157 }
1158 }
1159 HotSpotStackFrameReference::set_localIsVirtual(result, array());
1160 } else {
1161 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1162 }
1163
1164 locals = cvf->locals();
1165 HotSpotStackFrameReference::set_bci(result, cvf->bci());
1166 oop method = CompilerToVM::get_jvmci_method(cvf->method(), CHECK_NULL);
1167 HotSpotStackFrameReference::set_method(result, method);
1168 }
1169 }
1170 } else if (vf->is_interpreted_frame()) {
1171 // interpreted method frame
1172 interpretedVFrame* ivf = interpretedVFrame::cast(vf);
1173 if (methods == NULL || matches(methods, ivf->method())) {
1174 if (initialSkip > 0) {
1175 initialSkip --;
1176 } else {
1177 locals = ivf->locals();
1178 HotSpotStackFrameReference::set_bci(result, ivf->bci());
1179 oop method = CompilerToVM::get_jvmci_method(ivf->method(), CHECK_NULL);
1180 HotSpotStackFrameReference::set_method(result, method);
1181 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1182 }
1183 }
1184 }
1185
1186 // locals != NULL means that we found a matching frame and result is already partially initialized
1187 if (locals != NULL) {
1188 HotSpotStackFrameReference::set_compilerToVM(result, JNIHandles::resolve(compilerToVM));
1189 HotSpotStackFrameReference::set_stackPointer(result, (jlong) fst.current()->sp());
1190 HotSpotStackFrameReference::set_frameNumber(result, frame_number);
1191
1192 // initialize the locals array
1193 objArrayHandle array = oopFactory::new_objectArray(locals->size(), thread);
1194 for (int i = 0; i < locals->size(); i++) {
1195 StackValue* var = locals->at(i);
1196 if (var->type() == T_OBJECT) {
1197 array->obj_at_put(i, locals->at(i)->get_obj()());
1198 }
1199 }
1200 HotSpotStackFrameReference::set_locals(result, array());
1201
1202 return JNIHandles::make_local(thread, result());
1203 }
1204
1205 if (vf->is_top()) {
1206 break;
1207 }
1208 frame_number++;
1209 vf = vf->sender();
1210 } // end of vframe loop
1211
1212 if (fst.is_done()) {
1213 break;
1214 }
1215 fst.next();
1216 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1217 frame_number = 0;
1218 } // end of frame loop
1219
1220 // the end was reached without finding a matching method
1221 return NULL;
1222 C2V_END
1223
1224 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1225 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1226 CallInfo callInfo;
1227 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK);
1228 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index);
1229 cp_cache_entry->set_dynamic_call(cp, callInfo);
1230 C2V_END
1231
1232 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1233 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1234 CallInfo callInfo;
1235 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK);
1236 ConstantPoolCacheEntry* cp_cache_entry = cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1237 cp_cache_entry->set_method_handle(cp, callInfo);
1238 C2V_END
1239
1240 C2V_VMENTRY(jboolean, shouldDebugNonSafepoints, (JNIEnv*, jobject))
1241 //see compute_recording_non_safepoints in debugInfroRec.cpp
1242 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
1243 return true;
1244 }
1245 return DebugNonSafepoints;
1246 C2V_END
1247
1248 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate);
1249 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv*, jobject, jobject hs_frame, bool invalidate))
1250 ResourceMark rm;
1251
1252 if (hs_frame == NULL) {
1253 THROW_MSG(vmSymbols::java_lang_NullPointerException(), "stack frame is null")
1254 }
1255
1256 HotSpotStackFrameReference::klass()->initialize(thread);
1257
1258 // look for the given stack frame
1259 StackFrameStream fst(thread);
1260 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1261 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1262 fst.next();
1263 }
1264 if (fst.current()->sp() != stack_pointer) {
1265 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1266 }
1267
1268 if (invalidate) {
1269 if (!fst.current()->is_compiled_frame()) {
1270 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1271 }
1272 assert(fst.current()->cb()->is_nmethod(), "nmethod expected");
1273 ((nmethod*) fst.current()->cb())->make_not_entrant();
1274 }
1275 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none);
1276 // look for the frame again as it has been updated by deopt (pc, deopt state...)
1277 StackFrameStream fstAfterDeopt(thread);
1278 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) {
1279 fstAfterDeopt.next();
1280 }
1281 if (fstAfterDeopt.current()->sp() != stack_pointer) {
1282 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1283 }
1284
1285 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
1286 if (!vf->is_compiled_frame()) {
1287 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1288 }
1289
1290 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10);
1291 while (true) {
1292 assert(vf->is_compiled_frame(), "Wrong frame type");
1293 virtualFrames->push(compiledVFrame::cast(vf));
1294 if (vf->is_top()) {
1295 break;
1296 }
1297 vf = vf->sender();
1298 }
1299
1300 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1301 if (last_frame_number >= virtualFrames->length()) {
1302 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1303 }
1304
1305 // Reallocate the non-escaping objects and restore their fields.
1306 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope");
1307 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
1308
1309 if (objects == NULL) {
1310 // no objects to materialize
1311 return;
1312 }
1313
1314 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), objects, THREAD);
1315 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false);
1316
1317 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
1318 compiledVFrame* cvf = virtualFrames->at(frame_index);
1319
1320 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals();
1321 StackValueCollection* locals = cvf->locals();
1322
1323 if (locals != NULL) {
1324 for (int i2 = 0; i2 < locals->size(); i2++) {
1325 StackValue* var = locals->at(i2);
1326 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) {
1327 jvalue val;
1328 val.l = (jobject) locals->at(i2)->get_obj()();
1329 cvf->update_local(T_OBJECT, i2, val);
1330 }
1331 }
1332 }
1333 }
1334
1335 // all locals are materialized by now
1336 HotSpotStackFrameReference::set_localIsVirtual(hs_frame, NULL);
1337
1338 // update the locals array
1339 objArrayHandle array = HotSpotStackFrameReference::locals(hs_frame);
1340 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals();
1341 for (int i = 0; i < locals->size(); i++) {
1342 StackValue* var = locals->at(i);
1343 if (var->type() == T_OBJECT) {
1344 array->obj_at_put(i, locals->at(i)->get_obj()());
1345 }
1346 }
1347 C2V_END
1348
1349 C2V_VMENTRY(void, writeDebugOutput, (JNIEnv*, jobject, jbyteArray bytes, jint offset, jint length))
1350 if (bytes == NULL) {
1351 THROW(vmSymbols::java_lang_NullPointerException());
1352 }
1353 typeArrayOop array = (typeArrayOop) JNIHandles::resolve(bytes);
1354
1355 // Check if offset and length are non negative.
1356 if (offset < 0 || length < 0) {
1357 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1358 }
1359 // Check if the range is valid.
1360 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array->length())) {
1361 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1362 }
1363 while (length > 0) {
1364 jbyte* start = array->byte_at_addr(offset);
1365 tty->write((char*) start, MIN2(length, O_BUFLEN));
1366 length -= O_BUFLEN;
1367 offset += O_BUFLEN;
1368 }
1369 C2V_END
1370
1371 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv*, jobject))
1372 tty->flush();
1373 C2V_END
1374
1375 C2V_VMENTRY(int, methodDataProfileDataSize, (JNIEnv*, jobject, jlong metaspace_method_data, jint position))
1376 ResourceMark rm;
1377 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1378 ProfileData* profile_data = mdo->data_at(position);
1379 if (mdo->is_valid(profile_data)) {
1380 return profile_data->size_in_bytes();
1381 }
1382 DataLayout* data = mdo->extra_data_base();
1383 DataLayout* end = mdo->extra_data_limit();
1384 for (;; data = mdo->next_extra(data)) {
1385 assert(data < end, "moved past end of extra data");
1386 profile_data = data->data_in();
1387 if (mdo->dp_to_di(profile_data->dp()) == position) {
1388 return profile_data->size_in_bytes();
1389 }
1390 }
1391 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Invalid profile data position %d", position));
1392 C2V_END
1393
1394
1395 #define CC (char*) /*cast a literal from (const char*)*/
1396 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
1397
1398 #define STRING "Ljava/lang/String;"
1399 #define OBJECT "Ljava/lang/Object;"
1400 #define CLASS "Ljava/lang/Class;"
1401 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;"
1402 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;"
1403 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;"
1404 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;"
1405 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;"
1406 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;"
1407 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;"
1408 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;"
1409 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;"
1410 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;"
1411 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;"
1412 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;"
1413 #define METASPACE_METHOD_DATA "J"
1414
1415 JNINativeMethod CompilerToVM::methods[] = {
1416 {CC"getBytecode", CC"("HS_RESOLVED_METHOD")[B", FN_PTR(getBytecode)},
1417 {CC"getExceptionTableStart", CC"("HS_RESOLVED_METHOD")J", FN_PTR(getExceptionTableStart)},
1418 {CC"getExceptionTableLength", CC"("HS_RESOLVED_METHOD")I", FN_PTR(getExceptionTableLength)},
1419 {CC"findUniqueConcreteMethod", CC"("HS_RESOLVED_KLASS HS_RESOLVED_METHOD")"HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)},
1420 {CC"getImplementor", CC"("HS_RESOLVED_KLASS")"HS_RESOLVED_KLASS, FN_PTR(getImplementor)},
1421 {CC"getStackTraceElement", CC"("HS_RESOLVED_METHOD"I)"STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)},
1422 {CC"methodIsIgnoredBySecurityStackWalk", CC"("HS_RESOLVED_METHOD")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)},
1423 {CC"doNotInlineOrCompile", CC"("HS_RESOLVED_METHOD")V", FN_PTR(doNotInlineOrCompile)},
1424 {CC"canInlineMethod", CC"("HS_RESOLVED_METHOD")Z", FN_PTR(canInlineMethod)},
1425 {CC"shouldInlineMethod", CC"("HS_RESOLVED_METHOD")Z", FN_PTR(shouldInlineMethod)},
1426 {CC"lookupType", CC"("STRING CLASS"Z)"HS_RESOLVED_KLASS, FN_PTR(lookupType)},
1427 {CC"lookupNameInPool", CC"("HS_CONSTANT_POOL"I)"STRING, FN_PTR(lookupNameInPool)},
1428 {CC"lookupNameAndTypeRefIndexInPool", CC"("HS_CONSTANT_POOL"I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)},
1429 {CC"lookupSignatureInPool", CC"("HS_CONSTANT_POOL"I)"STRING, FN_PTR(lookupSignatureInPool)},
1430 {CC"lookupKlassRefIndexInPool", CC"("HS_CONSTANT_POOL"I)I", FN_PTR(lookupKlassRefIndexInPool)},
1431 {CC"lookupKlassInPool", CC"("HS_CONSTANT_POOL"I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)},
1432 {CC"lookupAppendixInPool", CC"("HS_CONSTANT_POOL"I)"OBJECT, FN_PTR(lookupAppendixInPool)},
1433 {CC"lookupMethodInPool", CC"("HS_CONSTANT_POOL"IB)"HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)},
1434 {CC"constantPoolRemapInstructionOperandFromCache", CC"("HS_CONSTANT_POOL"I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)},
1435 {CC"resolveConstantInPool", CC"("HS_CONSTANT_POOL"I)"OBJECT, FN_PTR(resolveConstantInPool)},
1436 {CC"resolvePossiblyCachedConstantInPool", CC"("HS_CONSTANT_POOL"I)"OBJECT, FN_PTR(resolvePossiblyCachedConstantInPool)},
1437 {CC"resolveTypeInPool", CC"("HS_CONSTANT_POOL"I)"HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)},
1438 {CC"resolveFieldInPool", CC"("HS_CONSTANT_POOL"IB[J)"HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)},
1439 {CC"resolveInvokeDynamicInPool", CC"("HS_CONSTANT_POOL"I)V", FN_PTR(resolveInvokeDynamicInPool)},
1440 {CC"resolveInvokeHandleInPool", CC"("HS_CONSTANT_POOL"I)V", FN_PTR(resolveInvokeHandleInPool)},
1441 {CC"resolveMethod", CC"("HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS")"HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
1442 {CC"getVtableIndexForInterfaceMethod", CC"("HS_RESOLVED_KLASS HS_RESOLVED_METHOD")I", FN_PTR(getVtableIndexForInterfaceMethod)},
1443 {CC"getClassInitializer", CC"("HS_RESOLVED_KLASS")"HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)},
1444 {CC"hasFinalizableSubclass", CC"("HS_RESOLVED_KLASS")Z", FN_PTR(hasFinalizableSubclass)},
1445 {CC"getMaxCallTargetOffset", CC"(J)J", FN_PTR(getMaxCallTargetOffset)},
1446 {CC"getResolvedJavaMethodAtSlot", CC"("CLASS"I)"HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethodAtSlot)},
1447 {CC"getResolvedJavaMethod", CC"(Ljava/lang/Object;J)"HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)},
1448 {CC"getConstantPool", CC"(Ljava/lang/Object;J)"HS_CONSTANT_POOL, FN_PTR(getConstantPool)},
1449 {CC"getResolvedJavaType", CC"(Ljava/lang/Object;JZ)"HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType)},
1450 {CC"initializeConfiguration", CC"("HS_CONFIG")J", FN_PTR(initializeConfiguration)},
1451 {CC"installCode", CC"("TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE HS_SPECULATION_LOG")I", FN_PTR(installCode)},
1452 {CC"getMetadata", CC"("TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA")I", FN_PTR(getMetadata)},
1453 {CC"notifyCompilationStatistics", CC"(I"HS_RESOLVED_METHOD"ZIJJ"INSTALLED_CODE")V", FN_PTR(notifyCompilationStatistics)},
1454 {CC"resetCompilationStatistics", CC"()V", FN_PTR(resetCompilationStatistics)},
1455 {CC"disassembleCodeBlob", CC"("INSTALLED_CODE")"STRING, FN_PTR(disassembleCodeBlob)},
1456 {CC"executeInstalledCode", CC"(["OBJECT INSTALLED_CODE")"OBJECT, FN_PTR(executeInstalledCode)},
1457 {CC"getLineNumberTable", CC"("HS_RESOLVED_METHOD")[J", FN_PTR(getLineNumberTable)},
1458 {CC"getLocalVariableTableStart", CC"("HS_RESOLVED_METHOD")J", FN_PTR(getLocalVariableTableStart)},
1459 {CC"getLocalVariableTableLength", CC"("HS_RESOLVED_METHOD")I", FN_PTR(getLocalVariableTableLength)},
1460 {CC"reprofile", CC"("HS_RESOLVED_METHOD")V", FN_PTR(reprofile)},
1461 {CC"invalidateInstalledCode", CC"("INSTALLED_CODE")V", FN_PTR(invalidateInstalledCode)},
1462 {CC"readUncompressedOop", CC"(J)"OBJECT, FN_PTR(readUncompressedOop)},
1463 {CC"collectCounters", CC"()[J", FN_PTR(collectCounters)},
1464 {CC"allocateCompileId", CC"("HS_RESOLVED_METHOD"I)I", FN_PTR(allocateCompileId)},
1465 {CC"isMature", CC"("METASPACE_METHOD_DATA")Z", FN_PTR(isMature)},
1466 {CC"hasCompiledCodeForOSR", CC"("HS_RESOLVED_METHOD"II)Z", FN_PTR(hasCompiledCodeForOSR)},
1467 {CC"getSymbol", CC"(J)"STRING, FN_PTR(getSymbol)},
1468 {CC"getNextStackFrame", CC"("HS_STACK_FRAME_REF "["RESOLVED_METHOD"I)"HS_STACK_FRAME_REF, FN_PTR(getNextStackFrame)},
1469 {CC"materializeVirtualObjects", CC"("HS_STACK_FRAME_REF"Z)V", FN_PTR(materializeVirtualObjects)},
1470 {CC"shouldDebugNonSafepoints", CC"()Z", FN_PTR(shouldDebugNonSafepoints)},
1471 {CC"writeDebugOutput", CC"([BII)V", FN_PTR(writeDebugOutput)},
1472 {CC"flushDebugOutput", CC"()V", FN_PTR(flushDebugOutput)},
1473 {CC"methodDataProfileDataSize", CC"(JI)I", FN_PTR(methodDataProfileDataSize)},
1474 };
1475
1476 int CompilerToVM::methods_count() {
1477 return sizeof(methods) / sizeof(JNINativeMethod);
1478 }
1479