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::Klass_vtable_start_offset;
125 int CompilerToVM::Data::Klass_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 int CompilerToVM::Data::vm_page_size;
154
155 void CompilerToVM::Data::initialize() {
156 Klass_vtable_start_offset = in_bytes(Klass::vtable_start_offset());
157 Klass_vtable_length_offset = in_bytes(Klass::vtable_length_offset());
158
159 Method_extra_stack_entries = Method::extra_stack_entries();
160
161 SharedRuntime_ic_miss_stub = SharedRuntime::get_ic_miss_stub();
162 SharedRuntime_handle_wrong_method_stub = SharedRuntime::get_handle_wrong_method_stub();
163 SharedRuntime_deopt_blob_unpack = SharedRuntime::deopt_blob()->unpack();
164 SharedRuntime_deopt_blob_uncommon_trap = SharedRuntime::deopt_blob()->uncommon_trap();
165
166 ThreadLocalAllocBuffer_alignment_reserve = ThreadLocalAllocBuffer::alignment_reserve();
167
168 Universe_collectedHeap = Universe::heap();
169 Universe_base_vtable_size = Universe::base_vtable_size();
170 Universe_narrow_oop_base = Universe::narrow_oop_base();
171 Universe_narrow_oop_shift = Universe::narrow_oop_shift();
172 Universe_narrow_klass_base = Universe::narrow_klass_base();
173 Universe_narrow_klass_shift = Universe::narrow_klass_shift();
174 Universe_non_oop_bits = Universe::non_oop_word();
175 Universe_verify_oop_mask = Universe::verify_oop_mask();
176 Universe_verify_oop_bits = Universe::verify_oop_bits();
177
178 _supports_inline_contig_alloc = Universe::heap()->supports_inline_contig_alloc();
179 _heap_end_addr = _supports_inline_contig_alloc ? Universe::heap()->end_addr() : (HeapWord**) -1;
180 _heap_top_addr = _supports_inline_contig_alloc ? Universe::heap()->top_addr() : (HeapWord**) -1;
181
182 BarrierSet* bs = Universe::heap()->barrier_set();
183 switch (bs->kind()) {
184 case BarrierSet::CardTableModRef:
185 case BarrierSet::CardTableForRS:
186 case BarrierSet::CardTableExtension:
187 case BarrierSet::G1SATBCT:
188 case BarrierSet::G1SATBCTLogging: {
189 jbyte* base = barrier_set_cast<CardTableModRefBS>(bs)->byte_map_base;
190 assert(base != 0, "unexpected byte_map_base");
191 cardtable_start_address = base;
192 cardtable_shift = CardTableModRefBS::card_shift;
193 break;
194 }
195 case BarrierSet::ModRef:
196 cardtable_start_address = 0;
197 cardtable_shift = 0;
198 // No post barriers
199 break;
200 default:
201 ShouldNotReachHere();
202 break;
203 }
204
205 vm_page_size = os::vm_page_size();
206 }
207
208 /**
209 * We put all jvmciHotSpotVM values in an array so we can read them easily from Java.
210 */
211 static uintptr_t ciHotSpotVMData[28];
212
213 C2V_VMENTRY(jlong, initializeConfiguration, (JNIEnv *env, jobject))
214 ciHotSpotVMData[0] = (uintptr_t) jvmciHotSpotVMStructs;
215 ciHotSpotVMData[1] = jvmciHotSpotVMStructEntryTypeNameOffset;
216 ciHotSpotVMData[2] = jvmciHotSpotVMStructEntryFieldNameOffset;
217 ciHotSpotVMData[3] = jvmciHotSpotVMStructEntryTypeStringOffset;
218 ciHotSpotVMData[4] = jvmciHotSpotVMStructEntryIsStaticOffset;
219 ciHotSpotVMData[5] = jvmciHotSpotVMStructEntryOffsetOffset;
220 ciHotSpotVMData[6] = jvmciHotSpotVMStructEntryAddressOffset;
221 ciHotSpotVMData[7] = jvmciHotSpotVMStructEntryArrayStride;
222
223 ciHotSpotVMData[8] = (uintptr_t) jvmciHotSpotVMTypes;
224 ciHotSpotVMData[9] = jvmciHotSpotVMTypeEntryTypeNameOffset;
225 ciHotSpotVMData[10] = jvmciHotSpotVMTypeEntrySuperclassNameOffset;
226 ciHotSpotVMData[11] = jvmciHotSpotVMTypeEntryIsOopTypeOffset;
227 ciHotSpotVMData[12] = jvmciHotSpotVMTypeEntryIsIntegerTypeOffset;
228 ciHotSpotVMData[13] = jvmciHotSpotVMTypeEntryIsUnsignedOffset;
229 ciHotSpotVMData[14] = jvmciHotSpotVMTypeEntrySizeOffset;
230 ciHotSpotVMData[15] = jvmciHotSpotVMTypeEntryArrayStride;
231
232 ciHotSpotVMData[16] = (uintptr_t) jvmciHotSpotVMIntConstants;
233 ciHotSpotVMData[17] = jvmciHotSpotVMIntConstantEntryNameOffset;
234 ciHotSpotVMData[18] = jvmciHotSpotVMIntConstantEntryValueOffset;
235 ciHotSpotVMData[19] = jvmciHotSpotVMIntConstantEntryArrayStride;
236
237 ciHotSpotVMData[20] = (uintptr_t) jvmciHotSpotVMLongConstants;
238 ciHotSpotVMData[21] = jvmciHotSpotVMLongConstantEntryNameOffset;
239 ciHotSpotVMData[22] = jvmciHotSpotVMLongConstantEntryValueOffset;
240 ciHotSpotVMData[23] = jvmciHotSpotVMLongConstantEntryArrayStride;
241
242 ciHotSpotVMData[24] = (uintptr_t) jvmciHotSpotVMAddresses;
243 ciHotSpotVMData[25] = jvmciHotSpotVMAddressEntryNameOffset;
244 ciHotSpotVMData[26] = jvmciHotSpotVMAddressEntryValueOffset;
245 ciHotSpotVMData[27] = jvmciHotSpotVMAddressEntryArrayStride;
246
247 CompilerToVM::Data::initialize();
248
249 return (jlong) (address) &ciHotSpotVMData;
250 C2V_END
251
252 C2V_VMENTRY(jbyteArray, getBytecode, (JNIEnv *, jobject, jobject jvmci_method))
253 methodHandle method = CompilerToVM::asMethod(jvmci_method);
254 ResourceMark rm;
255
256 int code_size = method->code_size();
257 typeArrayOop reconstituted_code = oopFactory::new_byteArray(code_size, CHECK_NULL);
258
259 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten");
260 // iterate over all bytecodes and replace non-Java bytecodes
261
262 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) {
263 Bytecodes::Code code = s.code();
264 Bytecodes::Code raw_code = s.raw_code();
265 int bci = s.bci();
266 int len = s.instruction_size();
267
268 // Restore original byte code.
269 reconstituted_code->byte_at_put(bci, (jbyte) (s.is_wide()? Bytecodes::_wide : code));
270 if (len > 1) {
271 memcpy(reconstituted_code->byte_at_addr(bci + 1), s.bcp()+1, len-1);
272 }
273
274 if (len > 1) {
275 // Restore the big-endian constant pool indexes.
276 // Cf. Rewriter::scan_method
277 switch (code) {
278 case Bytecodes::_getstatic:
279 case Bytecodes::_putstatic:
280 case Bytecodes::_getfield:
281 case Bytecodes::_putfield:
282 case Bytecodes::_invokevirtual:
283 case Bytecodes::_invokespecial:
284 case Bytecodes::_invokestatic:
285 case Bytecodes::_invokeinterface:
286 case Bytecodes::_invokehandle: {
287 int cp_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
288 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
289 break;
290 }
291
292 case Bytecodes::_invokedynamic:
293 int cp_index = Bytes::get_native_u4((address) reconstituted_code->byte_at_addr(bci + 1));
294 Bytes::put_Java_u4((address) reconstituted_code->byte_at_addr(bci + 1), (u4) cp_index);
295 break;
296 }
297
298 // Not all ldc byte code are rewritten.
299 switch (raw_code) {
300 case Bytecodes::_fast_aldc: {
301 int cpc_index = reconstituted_code->byte_at(bci + 1) & 0xff;
302 int cp_index = method->constants()->object_to_cp_index(cpc_index);
303 assert(cp_index < method->constants()->length(), "sanity check");
304 reconstituted_code->byte_at_put(bci + 1, (jbyte) cp_index);
305 break;
306 }
307
308 case Bytecodes::_fast_aldc_w: {
309 int cpc_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
310 int cp_index = method->constants()->object_to_cp_index(cpc_index);
311 assert(cp_index < method->constants()->length(), "sanity check");
312 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
313 break;
314 }
315 }
316 }
317 }
318
319 return (jbyteArray) JNIHandles::make_local(THREAD, reconstituted_code);
320 C2V_END
321
322 C2V_VMENTRY(jint, getExceptionTableLength, (JNIEnv *, jobject, jobject jvmci_method))
323 ResourceMark rm;
324 methodHandle method = CompilerToVM::asMethod(jvmci_method);
325 return method->exception_table_length();
326 C2V_END
327
328 C2V_VMENTRY(jlong, getExceptionTableStart, (JNIEnv *, jobject, jobject jvmci_method))
329 ResourceMark rm;
330 methodHandle method = CompilerToVM::asMethod(jvmci_method);
331 if (method->exception_table_length() == 0) {
332 return 0L;
333 }
334 return (jlong) (address) method->exception_table_start();
335 C2V_END
336
337 C2V_VMENTRY(jobject, getResolvedJavaMethodAtSlot, (JNIEnv *, jobject, jclass holder_handle, jint slot))
338 oop java_class = JNIHandles::resolve(holder_handle);
339 Klass* holder = java_lang_Class::as_Klass(java_class);
340 methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot);
341 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
342 return JNIHandles::make_local(THREAD, result);
343 }
344
345 C2V_VMENTRY(jobject, getResolvedJavaMethod, (JNIEnv *, jobject, jobject base, jlong offset))
346 methodHandle method;
347 oop base_object = JNIHandles::resolve(base);
348 if (base_object == NULL) {
349 method = *((Method**)(offset));
350 } else if (base_object->is_a(SystemDictionary::MemberName_klass())) {
351 method = (Method*) (intptr_t) base_object->long_field(offset);
352 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
353 method = *((Method**)(HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object) + offset));
354 } else {
355 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
356 err_msg("Unexpected type: %s", base_object->klass()->external_name()));
357 }
358 assert (method.is_null() || method->is_method(), "invalid read");
359 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
360 return JNIHandles::make_local(THREAD, result);
361 }
362
363 C2V_VMENTRY(jobject, getConstantPool, (JNIEnv *, jobject, jobject base, jlong offset))
364 constantPoolHandle cp;
365 oop base_object = JNIHandles::resolve(base);
366 jlong base_address = 0;
367 if (base_object != NULL) {
368 if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
369 base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object);
370 } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) {
371 base_address = HotSpotConstantPool::metaspaceConstantPool(base_object);
372 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
373 base_address = (jlong) CompilerToVM::asKlass(base_object);
374 } else {
375 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
376 err_msg("Unexpected type: %s", base_object->klass()->external_name()));
377 }
378 }
379 cp = *((ConstantPool**) (intptr_t) (base_address + offset));
380 if (!cp.is_null()) {
381 JavaValue method_result(T_OBJECT);
382 JavaCallArguments args;
383 args.push_long((jlong) (address) cp());
384 JavaCalls::call_static(&method_result, SystemDictionary::HotSpotConstantPool_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::constantPool_fromMetaspace_signature(), &args, CHECK_NULL);
385 return JNIHandles::make_local(THREAD, (oop)method_result.get_jobject());
386 }
387 return NULL;
388 }
389
390 C2V_VMENTRY(jobject, getResolvedJavaType, (JNIEnv *, jobject, jobject base, jlong offset, jboolean compressed))
391 KlassHandle klass;
392 oop base_object = JNIHandles::resolve(base);
393 jlong base_address = 0;
394 if (base_object != NULL && offset == oopDesc::klass_offset_in_bytes()) {
395 klass = base_object->klass();
396 } else if (!compressed) {
397 if (base_object != NULL) {
398 if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
399 base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object);
400 } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) {
401 base_address = HotSpotConstantPool::metaspaceConstantPool(base_object);
402 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
403 base_address = (jlong) CompilerToVM::asKlass(base_object);
404 } else if (base_object->is_a(SystemDictionary::Class_klass())) {
405 base_address = (jlong) (address) base_object;
406 } else {
407 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
408 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
409 }
410 }
411 klass = *((Klass**) (intptr_t) (base_address + offset));
412 } else {
413 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
414 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
415 }
416 assert (klass.is_null() || klass->is_klass(), "invalid read");
417 oop result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
418 return JNIHandles::make_local(THREAD, result);
419 }
420
421 C2V_VMENTRY(jobject, findUniqueConcreteMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
422 ResourceMark rm;
423 methodHandle method = CompilerToVM::asMethod(jvmci_method);
424 KlassHandle holder = CompilerToVM::asKlass(jvmci_type);
425 if (holder->is_interface()) {
426 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", holder->external_name()));
427 }
428
429 methodHandle ucm;
430 {
431 MutexLocker locker(Compile_lock);
432 ucm = Dependencies::find_unique_concrete_method(holder(), method());
433 }
434 oop result = CompilerToVM::get_jvmci_method(ucm, CHECK_NULL);
435 return JNIHandles::make_local(THREAD, result);
436 C2V_END
437
438 C2V_VMENTRY(jobject, getImplementor, (JNIEnv *, jobject, jobject jvmci_type))
439 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type);
440 oop implementor = CompilerToVM::get_jvmci_type(klass->implementor(), CHECK_NULL);
441 return JNIHandles::make_local(THREAD, implementor);
442 C2V_END
443
444 C2V_VMENTRY(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv *, jobject, jobject jvmci_method))
445 methodHandle method = CompilerToVM::asMethod(jvmci_method);
446 return method->is_ignored_by_security_stack_walk();
447 C2V_END
448
449 C2V_VMENTRY(jboolean, canInlineMethod,(JNIEnv *, jobject, jobject jvmci_method))
450 methodHandle method = CompilerToVM::asMethod(jvmci_method);
451 return !method->is_not_compilable() && !CompilerOracle::should_not_inline(method) && !method->dont_inline();
452 C2V_END
453
454 C2V_VMENTRY(jboolean, shouldInlineMethod,(JNIEnv *, jobject, jobject jvmci_method))
455 methodHandle method = CompilerToVM::asMethod(jvmci_method);
456 return CompilerOracle::should_inline(method) || method->force_inline();
457 C2V_END
458
459 C2V_VMENTRY(jobject, lookupType, (JNIEnv*, jobject, jstring jname, jclass accessing_class, jboolean resolve))
460 ResourceMark rm;
461 Handle name = JNIHandles::resolve(jname);
462 Symbol* class_name = java_lang_String::as_symbol(name, CHECK_0);
463 if (java_lang_String::length(name()) <= 1) {
464 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string()));
465 }
466
467 Klass* resolved_klass = NULL;
468 Handle class_loader;
469 Handle protection_domain;
470 if (JNIHandles::resolve(accessing_class) == NULL) {
471 THROW_0(vmSymbols::java_lang_NullPointerException());
472 }
473 Klass* accessing_klass = java_lang_Class::as_Klass(JNIHandles::resolve(accessing_class));
474 class_loader = accessing_klass->class_loader();
475 protection_domain = accessing_klass->protection_domain();
476
477 if (resolve) {
478 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0);
479 } else {
480 if (class_name->byte_at(0) == 'L' &&
481 class_name->byte_at(class_name->utf8_length()-1) == ';') {
482 // This is a name from a signature. Strip off the trimmings.
483 // Call recursive to keep scope of strippedsym.
484 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1,
485 class_name->utf8_length()-2,
486 CHECK_0);
487 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0);
488 } else if (FieldType::is_array(class_name)) {
489 FieldArrayInfo fd;
490 // dimension and object_key in FieldArrayInfo are assigned as a side-effect
491 // of this call
492 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0);
493 if (t == T_OBJECT) {
494 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(),
495 class_name->utf8_length()-2-fd.dimension(),
496 CHECK_0);
497 // naked oop "k" is OK here -- we assign back into it
498 resolved_klass = SystemDictionary::find(strippedsym,
499 class_loader,
500 protection_domain,
501 CHECK_0);
502 if (resolved_klass != NULL) {
503 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0);
504 }
505 } else {
506 resolved_klass = Universe::typeArrayKlassObj(t);
507 resolved_klass = TypeArrayKlass::cast(resolved_klass)->array_klass(fd.dimension(), CHECK_0);
508 }
509 }
510 }
511 Handle result = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
512 return JNIHandles::make_local(THREAD, result());
513 C2V_END
514
515 C2V_VMENTRY(jobject, resolveConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
516 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
517 oop result = cp->resolve_constant_at(index, CHECK_NULL);
518 return JNIHandles::make_local(THREAD, result);
519 C2V_END
520
521 C2V_VMENTRY(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
522 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
523 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL);
524 return JNIHandles::make_local(THREAD, result);
525 C2V_END
526
527 C2V_VMENTRY(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
528 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
529 return cp->name_and_type_ref_index_at(index);
530 C2V_END
531
532 C2V_VMENTRY(jobject, lookupNameInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
533 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
534 Handle sym = java_lang_String::create_from_symbol(cp->name_ref_at(which), CHECK_NULL);
535 return JNIHandles::make_local(THREAD, sym());
536 C2V_END
537
538 C2V_VMENTRY(jobject, lookupSignatureInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
539 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
540 Handle sym = java_lang_String::create_from_symbol(cp->signature_ref_at(which), CHECK_NULL);
541 return JNIHandles::make_local(THREAD, sym());
542 C2V_END
543
544 C2V_VMENTRY(jint, lookupKlassRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
545 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
546 return cp->klass_ref_index_at(index);
547 C2V_END
548
549 C2V_VMENTRY(jobject, resolveTypeInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
550 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
551 Klass* resolved_klass = cp->klass_at(index, CHECK_NULL);
552 Handle klass = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
553 return JNIHandles::make_local(THREAD, klass());
554 C2V_END
555
556 C2V_VMENTRY(jobject, lookupKlassInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
557 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
558 KlassHandle loading_klass(cp->pool_holder());
559 bool is_accessible = false;
560 KlassHandle klass = JVMCIEnv::get_klass_by_index(cp, index, is_accessible, loading_klass);
561 Symbol* symbol = NULL;
562 if (klass.is_null()) {
563 symbol = cp->klass_name_at(index);
564 }
565 Handle result;
566 if (!klass.is_null()) {
567 result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
568 } else {
569 result = java_lang_String::create_from_symbol(symbol, CHECK_NULL);
570 }
571 return JNIHandles::make_local(THREAD, result());
572 C2V_END
573
574 C2V_VMENTRY(jobject, lookupAppendixInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
575 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
576 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index);
577 return JNIHandles::make_local(THREAD, appendix_oop);
578 C2V_END
579
580 C2V_VMENTRY(jobject, lookupMethodInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
581 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
582 instanceKlassHandle pool_holder(cp->pool_holder());
583 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
584 methodHandle method = JVMCIEnv::get_method_by_index(cp, index, bc, pool_holder);
585 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
586 return JNIHandles::make_local(THREAD, result);
587 C2V_END
588
589 C2V_VMENTRY(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
590 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
591 return cp->remap_instruction_operand_from_cache(index);
592 C2V_END
593
594 C2V_VMENTRY(jobject, resolveFieldInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode, jlongArray info_handle))
595 ResourceMark rm;
596 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
597 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF);
598 fieldDescriptor fd;
599 LinkInfo link_info(cp, index, CHECK_0);
600 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0);
601 typeArrayOop info = (typeArrayOop) JNIHandles::resolve(info_handle);
602 assert(info != NULL && info->length() == 2, "must be");
603 info->long_at_put(0, (jlong) fd.access_flags().as_int());
604 info->long_at_put(1, (jlong) fd.offset());
605 oop field_holder = CompilerToVM::get_jvmci_type(fd.field_holder(), CHECK_NULL);
606 return JNIHandles::make_local(THREAD, field_holder);
607 C2V_END
608
609 C2V_VMENTRY(jint, getVtableIndexForInterfaceMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
610 ResourceMark rm;
611 Klass* klass = CompilerToVM::asKlass(jvmci_type);
612 Method* method = CompilerToVM::asMethod(jvmci_method);
613 if (klass->is_interface()) {
614 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", klass->external_name()));
615 }
616 if (!method->method_holder()->is_interface()) {
617 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()));
618 }
619 if (!InstanceKlass::cast(klass)->is_linked()) {
620 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Class %s must be linked", klass->external_name()));
621 }
622 return LinkResolver::vtable_index_of_interface_method(klass, method);
623 C2V_END
624
625 C2V_VMENTRY(jobject, resolveMethod, (JNIEnv *, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type))
626 Klass* recv_klass = CompilerToVM::asKlass(receiver_jvmci_type);
627 Klass* caller_klass = CompilerToVM::asKlass(caller_jvmci_type);
628 Method* method = CompilerToVM::asMethod(jvmci_method);
629
630 if (recv_klass->is_array_klass() || (InstanceKlass::cast(recv_klass)->is_linked())) {
631 Klass* holder_klass = method->method_holder();
632 Symbol* method_name = method->name();
633 Symbol* method_signature = method->signature();
634
635 if (holder_klass->is_interface()) {
636 // do link-time resolution to check all access rules.
637 LinkInfo link_info(holder_klass, method_name, method_signature, caller_klass, true);
638 methodHandle resolved_method = LinkResolver::linktime_resolve_interface_method_or_null(link_info);
639 if (resolved_method.is_null() || resolved_method->is_private()) {
640 return NULL;
641 }
642 assert(recv_klass->is_subtype_of(holder_klass), "");
643 // do actual lookup
644 methodHandle sel_method = LinkResolver::lookup_instance_method_in_klasses(recv_klass, resolved_method->name(), resolved_method->signature(), CHECK_AND_CLEAR_0);
645 oop result = CompilerToVM::get_jvmci_method(sel_method, CHECK_NULL);
646 return JNIHandles::make_local(THREAD, result);
647 } else {
648 // do link-time resolution to check all access rules.
649 LinkInfo link_info(holder_klass, method_name, method_signature, caller_klass, true);
650 methodHandle resolved_method = LinkResolver::linktime_resolve_virtual_method_or_null(link_info);
651 if (resolved_method.is_null()) {
652 return NULL;
653 }
654 // do actual lookup (see LinkResolver::runtime_resolve_virtual_method)
655 int vtable_index = Method::invalid_vtable_index;
656 Method* selected_method;
657
658 if (resolved_method->method_holder()->is_interface()) { // miranda method
659 vtable_index = LinkResolver::vtable_index_of_interface_method(holder_klass, resolved_method);
660 assert(vtable_index >= 0 , "we should have valid vtable index at this point");
661
662 selected_method = recv_klass->method_at_vtable(vtable_index);
663 } else {
664 // at this point we are sure that resolved_method is virtual and not
665 // a miranda method; therefore, it must have a valid vtable index.
666 assert(!resolved_method->has_itable_index(), "");
667 vtable_index = resolved_method->vtable_index();
668 // We could get a negative vtable_index for final methods,
669 // because as an optimization they are they are never put in the vtable,
670 // unless they override an existing method.
671 // If we do get a negative, it means the resolved method is the the selected
672 // method, and it can never be changed by an override.
673 if (vtable_index == Method::nonvirtual_vtable_index) {
674 assert(resolved_method->can_be_statically_bound(), "cannot override this method");
675 selected_method = resolved_method();
676 } else {
677 selected_method = recv_klass->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, resetCompilationStatistics, (JNIEnv *jniEnv, jobject))
839 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK);
840 CompilerStatistics* stats = compiler->stats();
841 stats->_standard.reset();
842 stats->_osr.reset();
843 C2V_END
844
845 C2V_VMENTRY(jobject, disassembleCodeBlob, (JNIEnv *jniEnv, jobject, jobject installedCode))
846 ResourceMark rm;
847 HandleMark hm;
848
849 if (installedCode == NULL) {
850 THROW_MSG_NULL(vmSymbols::java_lang_NullPointerException(), "installedCode is null");
851 }
852
853 jlong codeBlob = InstalledCode::address(installedCode);
854 if (codeBlob == 0L) {
855 return NULL;
856 }
857
858 CodeBlob* cb = (CodeBlob*) (address) codeBlob;
859 if (cb == NULL) {
860 return NULL;
861 }
862
863 // We don't want the stringStream buffer to resize during disassembly as it
864 // uses scoped resource memory. If a nested function called during disassembly uses
865 // a ResourceMark and the buffer expands within the scope of the mark,
866 // the buffer becomes garbage when that scope is exited. Experience shows that
867 // the disassembled code is typically about 10x the code size so a fixed buffer
868 // sized to 20x code size plus a fixed amount for header info should be sufficient.
869 int bufferSize = cb->code_size() * 20 + 1024;
870 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize);
871 stringStream st(buffer, bufferSize);
872 if (cb->is_nmethod()) {
873 nmethod* nm = (nmethod*) cb;
874 if (!nm->is_alive()) {
875 return NULL;
876 }
877 }
878 Disassembler::decode(cb, &st);
879 if (st.size() <= 0) {
880 return NULL;
881 }
882
883 Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL);
884 return JNIHandles::make_local(THREAD, result());
885 C2V_END
886
887 C2V_VMENTRY(jobject, getStackTraceElement, (JNIEnv*, jobject, jobject jvmci_method, int bci))
888 ResourceMark rm;
889 HandleMark hm;
890
891 methodHandle method = CompilerToVM::asMethod(jvmci_method);
892 oop element = java_lang_StackTraceElement::create(method, bci, CHECK_NULL);
893 return JNIHandles::make_local(THREAD, element);
894 C2V_END
895
896 C2V_VMENTRY(jobject, executeInstalledCode, (JNIEnv*, jobject, jobject args, jobject hotspotInstalledCode))
897 ResourceMark rm;
898 HandleMark hm;
899
900 jlong nmethodValue = InstalledCode::address(hotspotInstalledCode);
901 if (nmethodValue == 0L) {
902 THROW_NULL(vmSymbols::jdk_vm_ci_code_InvalidInstalledCodeException());
903 }
904 nmethod* nm = (nmethod*) (address) nmethodValue;
905 methodHandle mh = nm->method();
906 Symbol* signature = mh->signature();
907 JavaCallArguments jca(mh->size_of_parameters());
908
909 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
910 JavaValue result(jap.get_ret_type());
911 jca.set_alternative_target(nm);
912 JavaCalls::call(&result, mh, &jca, CHECK_NULL);
913
914 if (jap.get_ret_type() == T_VOID) {
915 return NULL;
916 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) {
917 return JNIHandles::make_local(THREAD, (oop) result.get_jobject());
918 } else {
919 jvalue *value = (jvalue *) result.get_value_addr();
920 // Narrow the value down if required (Important on big endian machines)
921 switch (jap.get_ret_type()) {
922 case T_BOOLEAN:
923 value->z = (jboolean) value->i;
924 break;
925 case T_BYTE:
926 value->b = (jbyte) value->i;
927 break;
928 case T_CHAR:
929 value->c = (jchar) value->i;
930 break;
931 case T_SHORT:
932 value->s = (jshort) value->i;
933 break;
934 }
935 oop o = java_lang_boxing_object::create(jap.get_ret_type(), value, CHECK_NULL);
936 return JNIHandles::make_local(THREAD, o);
937 }
938 C2V_END
939
940 C2V_VMENTRY(jlongArray, getLineNumberTable, (JNIEnv *, jobject, jobject jvmci_method))
941 Method* method = CompilerToVM::asMethod(jvmci_method);
942 if (!method->has_linenumber_table()) {
943 return NULL;
944 }
945 u2 num_entries = 0;
946 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
947 while (streamForSize.read_pair()) {
948 num_entries++;
949 }
950
951 CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
952 typeArrayOop result = oopFactory::new_longArray(2 * num_entries, CHECK_NULL);
953
954 int i = 0;
955 jlong value;
956 while (stream.read_pair()) {
957 value = ((long) stream.bci());
958 result->long_at_put(i, value);
959 value = ((long) stream.line());
960 result->long_at_put(i + 1, value);
961 i += 2;
962 }
963
964 return (jlongArray) JNIHandles::make_local(THREAD, result);
965 C2V_END
966
967 C2V_VMENTRY(jlong, getLocalVariableTableStart, (JNIEnv *, jobject, jobject jvmci_method))
968 ResourceMark rm;
969 Method* method = CompilerToVM::asMethod(jvmci_method);
970 if (!method->has_localvariable_table()) {
971 return 0;
972 }
973 return (jlong) (address) method->localvariable_table_start();
974 C2V_END
975
976 C2V_VMENTRY(jint, getLocalVariableTableLength, (JNIEnv *, jobject, jobject jvmci_method))
977 ResourceMark rm;
978 Method* method = CompilerToVM::asMethod(jvmci_method);
979 return method->localvariable_table_length();
980 C2V_END
981
982 C2V_VMENTRY(void, reprofile, (JNIEnv*, jobject, jobject jvmci_method))
983 Method* method = CompilerToVM::asMethod(jvmci_method);
984 MethodCounters* mcs = method->method_counters();
985 if (mcs != NULL) {
986 mcs->clear_counters();
987 }
988 NOT_PRODUCT(method->set_compiled_invocation_count(0));
989
990 nmethod* code = method->code();
991 if (code != NULL) {
992 code->make_not_entrant();
993 }
994
995 MethodData* method_data = method->method_data();
996 if (method_data == NULL) {
997 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
998 method_data = MethodData::allocate(loader_data, method, CHECK);
999 method->set_method_data(method_data);
1000 } else {
1001 method_data->initialize();
1002 }
1003 C2V_END
1004
1005
1006 C2V_VMENTRY(void, invalidateInstalledCode, (JNIEnv*, jobject, jobject installed_code))
1007 Handle installed_code_handle = JNIHandles::resolve(installed_code);
1008 nmethod::invalidate_installed_code(installed_code_handle, CHECK);
1009 C2V_END
1010
1011 C2V_VMENTRY(jobject, readUncompressedOop, (JNIEnv*, jobject, jlong addr))
1012 oop ret = oopDesc::load_decode_heap_oop((oop*)(address)addr);
1013 return JNIHandles::make_local(THREAD, ret);
1014 C2V_END
1015
1016 C2V_VMENTRY(jlongArray, collectCounters, (JNIEnv*, jobject))
1017 typeArrayOop arrayOop = oopFactory::new_longArray(JVMCICounterSize, CHECK_NULL);
1018 JavaThread::collect_counters(arrayOop);
1019 return (jlongArray) JNIHandles::make_local(THREAD, arrayOop);
1020 C2V_END
1021
1022 C2V_VMENTRY(int, allocateCompileId, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci))
1023 HandleMark hm;
1024 ResourceMark rm;
1025 if (JNIHandles::resolve(jvmci_method) == NULL) {
1026 THROW_0(vmSymbols::java_lang_NullPointerException());
1027 }
1028 Method* method = CompilerToVM::asMethod(jvmci_method);
1029 if (entry_bci >= method->code_size() || entry_bci < -1) {
1030 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Unexpected bci %d", entry_bci));
1031 }
1032 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
1033 C2V_END
1034
1035
1036 C2V_VMENTRY(jboolean, isMature, (JNIEnv*, jobject, jlong metaspace_method_data))
1037 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1038 return mdo != NULL && mdo->is_mature();
1039 C2V_END
1040
1041 C2V_VMENTRY(jboolean, hasCompiledCodeForOSR, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci, int comp_level))
1042 Method* method = CompilerToVM::asMethod(jvmci_method);
1043 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
1044 C2V_END
1045
1046 C2V_VMENTRY(jobject, getSymbol, (JNIEnv*, jobject, jlong symbol))
1047 Handle sym = java_lang_String::create_from_symbol((Symbol*)(address)symbol, CHECK_NULL);
1048 return JNIHandles::make_local(THREAD, sym());
1049 C2V_END
1050
1051 bool matches(jobjectArray methods, Method* method) {
1052 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods);
1053
1054 for (int i = 0; i < methods_oop->length(); i++) {
1055 oop resolved = methods_oop->obj_at(i);
1056 if (resolved->is_a(HotSpotResolvedJavaMethodImpl::klass()) && CompilerToVM::asMethod(resolved) == method) {
1057 return true;
1058 }
1059 }
1060 return false;
1061 }
1062
1063 C2V_VMENTRY(jobject, getNextStackFrame, (JNIEnv*, jobject compilerToVM, jobject hs_frame, jobjectArray methods, jint initialSkip))
1064 ResourceMark rm;
1065
1066 if (!thread->has_last_Java_frame()) return NULL;
1067 Handle result = HotSpotStackFrameReference::klass()->allocate_instance(thread);
1068 HotSpotStackFrameReference::klass()->initialize(thread);
1069
1070 StackFrameStream fst(thread);
1071 if (hs_frame != NULL) {
1072 // look for the correct stack frame if one is given
1073 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1074 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1075 fst.next();
1076 }
1077 if (fst.current()->sp() != stack_pointer) {
1078 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1079 }
1080 }
1081
1082 int frame_number = 0;
1083 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1084 if (hs_frame != NULL) {
1085 // look for the correct vframe within the stack frame if one is given
1086 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1087 while (frame_number < last_frame_number) {
1088 if (vf->is_top()) {
1089 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1090 }
1091 vf = vf->sender();
1092 frame_number ++;
1093 }
1094 // move one frame forward
1095 if (vf->is_top()) {
1096 if (fst.is_done()) {
1097 return NULL;
1098 }
1099 fst.next();
1100 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1101 frame_number = 0;
1102 } else {
1103 vf = vf->sender();
1104 frame_number++;
1105 }
1106 }
1107
1108 while (true) {
1109 // look for the given method
1110 while (true) {
1111 StackValueCollection* locals = NULL;
1112 if (vf->is_compiled_frame()) {
1113 // compiled method frame
1114 compiledVFrame* cvf = compiledVFrame::cast(vf);
1115 if (methods == NULL || matches(methods, cvf->method())) {
1116 if (initialSkip > 0) {
1117 initialSkip --;
1118 } else {
1119 ScopeDesc* scope = cvf->scope();
1120 // native wrapper do not have a scope
1121 if (scope != NULL && scope->objects() != NULL) {
1122 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), scope->objects(), THREAD);
1123 Deoptimization::reassign_fields(fst.current(), fst.register_map(), scope->objects(), realloc_failures, false, THREAD);
1124
1125 GrowableArray<ScopeValue*>* local_values = scope->locals();
1126 typeArrayHandle array = oopFactory::new_boolArray(local_values->length(), thread);
1127 for (int i = 0; i < local_values->length(); i++) {
1128 ScopeValue* value = local_values->at(i);
1129 if (value->is_object()) {
1130 array->bool_at_put(i, true);
1131 }
1132 }
1133 HotSpotStackFrameReference::set_localIsVirtual(result, array());
1134 } else {
1135 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1136 }
1137
1138 locals = cvf->locals();
1139 HotSpotStackFrameReference::set_bci(result, cvf->bci());
1140 oop method = CompilerToVM::get_jvmci_method(cvf->method(), CHECK_NULL);
1141 HotSpotStackFrameReference::set_method(result, method);
1142 }
1143 }
1144 } else if (vf->is_interpreted_frame()) {
1145 // interpreted method frame
1146 interpretedVFrame* ivf = interpretedVFrame::cast(vf);
1147 if (methods == NULL || matches(methods, ivf->method())) {
1148 if (initialSkip > 0) {
1149 initialSkip --;
1150 } else {
1151 locals = ivf->locals();
1152 HotSpotStackFrameReference::set_bci(result, ivf->bci());
1153 oop method = CompilerToVM::get_jvmci_method(ivf->method(), CHECK_NULL);
1154 HotSpotStackFrameReference::set_method(result, method);
1155 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1156 }
1157 }
1158 }
1159
1160 // locals != NULL means that we found a matching frame and result is already partially initialized
1161 if (locals != NULL) {
1162 HotSpotStackFrameReference::set_compilerToVM(result, JNIHandles::resolve(compilerToVM));
1163 HotSpotStackFrameReference::set_stackPointer(result, (jlong) fst.current()->sp());
1164 HotSpotStackFrameReference::set_frameNumber(result, frame_number);
1165
1166 // initialize the locals array
1167 objArrayHandle array = oopFactory::new_objectArray(locals->size(), thread);
1168 for (int i = 0; i < locals->size(); i++) {
1169 StackValue* var = locals->at(i);
1170 if (var->type() == T_OBJECT) {
1171 array->obj_at_put(i, locals->at(i)->get_obj()());
1172 }
1173 }
1174 HotSpotStackFrameReference::set_locals(result, array());
1175
1176 return JNIHandles::make_local(thread, result());
1177 }
1178
1179 if (vf->is_top()) {
1180 break;
1181 }
1182 frame_number++;
1183 vf = vf->sender();
1184 } // end of vframe loop
1185
1186 if (fst.is_done()) {
1187 break;
1188 }
1189 fst.next();
1190 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1191 frame_number = 0;
1192 } // end of frame loop
1193
1194 // the end was reached without finding a matching method
1195 return NULL;
1196 C2V_END
1197
1198 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1199 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1200 CallInfo callInfo;
1201 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK);
1202 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index);
1203 cp_cache_entry->set_dynamic_call(cp, callInfo);
1204 C2V_END
1205
1206 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1207 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1208 CallInfo callInfo;
1209 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK);
1210 ConstantPoolCacheEntry* cp_cache_entry = cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1211 cp_cache_entry->set_method_handle(cp, callInfo);
1212 C2V_END
1213
1214 C2V_VMENTRY(jboolean, shouldDebugNonSafepoints, (JNIEnv*, jobject))
1215 //see compute_recording_non_safepoints in debugInfroRec.cpp
1216 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
1217 return true;
1218 }
1219 return DebugNonSafepoints;
1220 C2V_END
1221
1222 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate);
1223 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv*, jobject, jobject hs_frame, bool invalidate))
1224 ResourceMark rm;
1225
1226 if (hs_frame == NULL) {
1227 THROW_MSG(vmSymbols::java_lang_NullPointerException(), "stack frame is null")
1228 }
1229
1230 HotSpotStackFrameReference::klass()->initialize(thread);
1231
1232 // look for the given stack frame
1233 StackFrameStream fst(thread);
1234 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1235 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1236 fst.next();
1237 }
1238 if (fst.current()->sp() != stack_pointer) {
1239 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1240 }
1241
1242 if (invalidate) {
1243 if (!fst.current()->is_compiled_frame()) {
1244 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1245 }
1246 assert(fst.current()->cb()->is_nmethod(), "nmethod expected");
1247 ((nmethod*) fst.current()->cb())->make_not_entrant();
1248 }
1249 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none);
1250 // look for the frame again as it has been updated by deopt (pc, deopt state...)
1251 StackFrameStream fstAfterDeopt(thread);
1252 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) {
1253 fstAfterDeopt.next();
1254 }
1255 if (fstAfterDeopt.current()->sp() != stack_pointer) {
1256 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1257 }
1258
1259 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
1260 if (!vf->is_compiled_frame()) {
1261 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1262 }
1263
1264 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10);
1265 while (true) {
1266 assert(vf->is_compiled_frame(), "Wrong frame type");
1267 virtualFrames->push(compiledVFrame::cast(vf));
1268 if (vf->is_top()) {
1269 break;
1270 }
1271 vf = vf->sender();
1272 }
1273
1274 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1275 if (last_frame_number >= virtualFrames->length()) {
1276 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1277 }
1278
1279 // Reallocate the non-escaping objects and restore their fields.
1280 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope");
1281 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
1282
1283 if (objects == NULL) {
1284 // no objects to materialize
1285 return;
1286 }
1287
1288 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), objects, THREAD);
1289 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false, THREAD);
1290
1291 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
1292 compiledVFrame* cvf = virtualFrames->at(frame_index);
1293
1294 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals();
1295 StackValueCollection* locals = cvf->locals();
1296
1297 if (locals != NULL) {
1298 for (int i2 = 0; i2 < locals->size(); i2++) {
1299 StackValue* var = locals->at(i2);
1300 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) {
1301 jvalue val;
1302 val.l = (jobject) locals->at(i2)->get_obj()();
1303 cvf->update_local(T_OBJECT, i2, val);
1304 }
1305 }
1306 }
1307 }
1308
1309 // all locals are materialized by now
1310 HotSpotStackFrameReference::set_localIsVirtual(hs_frame, NULL);
1311
1312 // update the locals array
1313 objArrayHandle array = HotSpotStackFrameReference::locals(hs_frame);
1314 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals();
1315 for (int i = 0; i < locals->size(); i++) {
1316 StackValue* var = locals->at(i);
1317 if (var->type() == T_OBJECT) {
1318 array->obj_at_put(i, locals->at(i)->get_obj()());
1319 }
1320 }
1321 C2V_END
1322
1323 C2V_VMENTRY(void, writeDebugOutput, (JNIEnv*, jobject, jbyteArray bytes, jint offset, jint length))
1324 if (bytes == NULL) {
1325 THROW(vmSymbols::java_lang_NullPointerException());
1326 }
1327 typeArrayOop array = (typeArrayOop) JNIHandles::resolve(bytes);
1328
1329 // Check if offset and length are non negative.
1330 if (offset < 0 || length < 0) {
1331 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1332 }
1333 // Check if the range is valid.
1334 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array->length())) {
1335 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1336 }
1337 while (length > 0) {
1338 jbyte* start = array->byte_at_addr(offset);
1339 tty->write((char*) start, MIN2(length, O_BUFLEN));
1340 length -= O_BUFLEN;
1341 offset += O_BUFLEN;
1342 }
1343 C2V_END
1344
1345 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv*, jobject))
1346 tty->flush();
1347 C2V_END
1348
1349 C2V_VMENTRY(int, methodDataProfileDataSize, (JNIEnv*, jobject, jlong metaspace_method_data, jint position))
1350 ResourceMark rm;
1351 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1352 ProfileData* profile_data = mdo->data_at(position);
1353 if (mdo->is_valid(profile_data)) {
1354 return profile_data->size_in_bytes();
1355 }
1356 DataLayout* data = mdo->extra_data_base();
1357 DataLayout* end = mdo->extra_data_limit();
1358 for (;; data = mdo->next_extra(data)) {
1359 assert(data < end, "moved past end of extra data");
1360 profile_data = data->data_in();
1361 if (mdo->dp_to_di(profile_data->dp()) == position) {
1362 return profile_data->size_in_bytes();
1363 }
1364 }
1365 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Invalid profile data position %d", position));
1366 C2V_END
1367
1368 C2V_VMENTRY(int, interpreterFrameSize, (JNIEnv*, jobject, jobject bytecode_frame_handle))
1369 if (bytecode_frame_handle == NULL) {
1370 THROW_0(vmSymbols::java_lang_NullPointerException());
1371 }
1372
1373 oop top_bytecode_frame = JNIHandles::resolve_non_null(bytecode_frame_handle);
1374 oop bytecode_frame = top_bytecode_frame;
1375 int size = 0;
1376 int callee_parameters = 0;
1377 int callee_locals = 0;
1378 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1379 int extra_args = method->max_stack() - BytecodeFrame::numStack(bytecode_frame);
1380
1381 while (bytecode_frame != NULL) {
1382 int locks = BytecodeFrame::numLocks(bytecode_frame);
1383 int temps = BytecodeFrame::numStack(bytecode_frame);
1384 bool is_top_frame = (bytecode_frame == top_bytecode_frame);
1385 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1386
1387 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(),
1388 temps + callee_parameters,
1389 extra_args,
1390 locks,
1391 callee_parameters,
1392 callee_locals,
1393 is_top_frame);
1394 size += frame_size;
1395
1396 callee_parameters = method->size_of_parameters();
1397 callee_locals = method->max_locals();
1398 extra_args = 0;
1399 bytecode_frame = BytecodePosition::caller(bytecode_frame);
1400 }
1401 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
1402 C2V_END
1403
1404
1405 #define CC (char*) /*cast a literal from (const char*)*/
1406 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
1407
1408 #define STRING "Ljava/lang/String;"
1409 #define OBJECT "Ljava/lang/Object;"
1410 #define CLASS "Ljava/lang/Class;"
1411 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;"
1412 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;"
1413 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;"
1414 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;"
1415 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;"
1416 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;"
1417 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;"
1418 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;"
1419 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;"
1420 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;"
1421 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;"
1422 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;"
1423 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;"
1424 #define METASPACE_METHOD_DATA "J"
1425
1426 JNINativeMethod CompilerToVM::methods[] = {
1427 {CC"getBytecode", CC"("HS_RESOLVED_METHOD")[B", FN_PTR(getBytecode)},
1428 {CC"getExceptionTableStart", CC"("HS_RESOLVED_METHOD")J", FN_PTR(getExceptionTableStart)},
1429 {CC"getExceptionTableLength", CC"("HS_RESOLVED_METHOD")I", FN_PTR(getExceptionTableLength)},
1430 {CC"findUniqueConcreteMethod", CC"("HS_RESOLVED_KLASS HS_RESOLVED_METHOD")"HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)},
1431 {CC"getImplementor", CC"("HS_RESOLVED_KLASS")"HS_RESOLVED_KLASS, FN_PTR(getImplementor)},
1432 {CC"getStackTraceElement", CC"("HS_RESOLVED_METHOD"I)"STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)},
1433 {CC"methodIsIgnoredBySecurityStackWalk", CC"("HS_RESOLVED_METHOD")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)},
1434 {CC"doNotInlineOrCompile", CC"("HS_RESOLVED_METHOD")V", FN_PTR(doNotInlineOrCompile)},
1435 {CC"canInlineMethod", CC"("HS_RESOLVED_METHOD")Z", FN_PTR(canInlineMethod)},
1436 {CC"shouldInlineMethod", CC"("HS_RESOLVED_METHOD")Z", FN_PTR(shouldInlineMethod)},
1437 {CC"lookupType", CC"("STRING CLASS"Z)"HS_RESOLVED_KLASS, FN_PTR(lookupType)},
1438 {CC"lookupNameInPool", CC"("HS_CONSTANT_POOL"I)"STRING, FN_PTR(lookupNameInPool)},
1439 {CC"lookupNameAndTypeRefIndexInPool", CC"("HS_CONSTANT_POOL"I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)},
1440 {CC"lookupSignatureInPool", CC"("HS_CONSTANT_POOL"I)"STRING, FN_PTR(lookupSignatureInPool)},
1441 {CC"lookupKlassRefIndexInPool", CC"("HS_CONSTANT_POOL"I)I", FN_PTR(lookupKlassRefIndexInPool)},
1442 {CC"lookupKlassInPool", CC"("HS_CONSTANT_POOL"I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)},
1443 {CC"lookupAppendixInPool", CC"("HS_CONSTANT_POOL"I)"OBJECT, FN_PTR(lookupAppendixInPool)},
1444 {CC"lookupMethodInPool", CC"("HS_CONSTANT_POOL"IB)"HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)},
1445 {CC"constantPoolRemapInstructionOperandFromCache", CC"("HS_CONSTANT_POOL"I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)},
1446 {CC"resolveConstantInPool", CC"("HS_CONSTANT_POOL"I)"OBJECT, FN_PTR(resolveConstantInPool)},
1447 {CC"resolvePossiblyCachedConstantInPool", CC"("HS_CONSTANT_POOL"I)"OBJECT, FN_PTR(resolvePossiblyCachedConstantInPool)},
1448 {CC"resolveTypeInPool", CC"("HS_CONSTANT_POOL"I)"HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)},
1449 {CC"resolveFieldInPool", CC"("HS_CONSTANT_POOL"IB[J)"HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)},
1450 {CC"resolveInvokeDynamicInPool", CC"("HS_CONSTANT_POOL"I)V", FN_PTR(resolveInvokeDynamicInPool)},
1451 {CC"resolveInvokeHandleInPool", CC"("HS_CONSTANT_POOL"I)V", FN_PTR(resolveInvokeHandleInPool)},
1452 {CC"resolveMethod", CC"("HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS")"HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
1453 {CC"getVtableIndexForInterfaceMethod", CC"("HS_RESOLVED_KLASS HS_RESOLVED_METHOD")I", FN_PTR(getVtableIndexForInterfaceMethod)},
1454 {CC"getClassInitializer", CC"("HS_RESOLVED_KLASS")"HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)},
1455 {CC"hasFinalizableSubclass", CC"("HS_RESOLVED_KLASS")Z", FN_PTR(hasFinalizableSubclass)},
1456 {CC"getMaxCallTargetOffset", CC"(J)J", FN_PTR(getMaxCallTargetOffset)},
1457 {CC"getResolvedJavaMethodAtSlot", CC"("CLASS"I)"HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethodAtSlot)},
1458 {CC"getResolvedJavaMethod", CC"(Ljava/lang/Object;J)"HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)},
1459 {CC"getConstantPool", CC"(Ljava/lang/Object;J)"HS_CONSTANT_POOL, FN_PTR(getConstantPool)},
1460 {CC"getResolvedJavaType", CC"(Ljava/lang/Object;JZ)"HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType)},
1461 {CC"initializeConfiguration", CC"("HS_CONFIG")J", FN_PTR(initializeConfiguration)},
1462 {CC"installCode", CC"("TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE HS_SPECULATION_LOG")I", FN_PTR(installCode)},
1463 {CC"getMetadata", CC"("TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA")I", FN_PTR(getMetadata)},
1464 {CC"resetCompilationStatistics", CC"()V", FN_PTR(resetCompilationStatistics)},
1465 {CC"disassembleCodeBlob", CC"("INSTALLED_CODE")"STRING, FN_PTR(disassembleCodeBlob)},
1466 {CC"executeInstalledCode", CC"(["OBJECT INSTALLED_CODE")"OBJECT, FN_PTR(executeInstalledCode)},
1467 {CC"getLineNumberTable", CC"("HS_RESOLVED_METHOD")[J", FN_PTR(getLineNumberTable)},
1468 {CC"getLocalVariableTableStart", CC"("HS_RESOLVED_METHOD")J", FN_PTR(getLocalVariableTableStart)},
1469 {CC"getLocalVariableTableLength", CC"("HS_RESOLVED_METHOD")I", FN_PTR(getLocalVariableTableLength)},
1470 {CC"reprofile", CC"("HS_RESOLVED_METHOD")V", FN_PTR(reprofile)},
1471 {CC"invalidateInstalledCode", CC"("INSTALLED_CODE")V", FN_PTR(invalidateInstalledCode)},
1472 {CC"readUncompressedOop", CC"(J)"OBJECT, FN_PTR(readUncompressedOop)},
1473 {CC"collectCounters", CC"()[J", FN_PTR(collectCounters)},
1474 {CC"allocateCompileId", CC"("HS_RESOLVED_METHOD"I)I", FN_PTR(allocateCompileId)},
1475 {CC"isMature", CC"("METASPACE_METHOD_DATA")Z", FN_PTR(isMature)},
1476 {CC"hasCompiledCodeForOSR", CC"("HS_RESOLVED_METHOD"II)Z", FN_PTR(hasCompiledCodeForOSR)},
1477 {CC"getSymbol", CC"(J)"STRING, FN_PTR(getSymbol)},
1478 {CC"getNextStackFrame", CC"("HS_STACK_FRAME_REF "["RESOLVED_METHOD"I)"HS_STACK_FRAME_REF, FN_PTR(getNextStackFrame)},
1479 {CC"materializeVirtualObjects", CC"("HS_STACK_FRAME_REF"Z)V", FN_PTR(materializeVirtualObjects)},
1480 {CC"shouldDebugNonSafepoints", CC"()Z", FN_PTR(shouldDebugNonSafepoints)},
1481 {CC"writeDebugOutput", CC"([BII)V", FN_PTR(writeDebugOutput)},
1482 {CC"flushDebugOutput", CC"()V", FN_PTR(flushDebugOutput)},
1483 {CC"methodDataProfileDataSize", CC"(JI)I", FN_PTR(methodDataProfileDataSize)},
1484 {CC"interpreterFrameSize", CC"("BYTECODE_FRAME")I", FN_PTR(interpreterFrameSize)},
1485 };
1486
1487 int CompilerToVM::methods_count() {
1488 return sizeof(methods) / sizeof(JNINativeMethod);
1489 }
1490