jvmciCompilerToVM.cpp revision 10762:ea81fe138932 
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 "memory/resourceArea.hpp"
31#include "oops/generateOopMap.hpp"
32#include "oops/fieldStreams.hpp"
33#include "oops/oop.inline.hpp"
34#include "oops/objArrayOop.inline.hpp"
35#include "runtime/fieldDescriptor.hpp"
36#include "runtime/javaCalls.hpp"
37#include "jvmci/jvmciRuntime.hpp"
38#include "compiler/abstractCompiler.hpp"
39#include "compiler/compileBroker.hpp"
40#include "compiler/compilerOracle.hpp"
41#include "compiler/disassembler.hpp"
42#include "compiler/oopMap.hpp"
43#include "jvmci/jvmciCompilerToVM.hpp"
44#include "jvmci/jvmciCompiler.hpp"
45#include "jvmci/jvmciEnv.hpp"
46#include "jvmci/jvmciJavaClasses.hpp"
47#include "jvmci/jvmciCodeInstaller.hpp"
48#include "jvmci/vmStructs_jvmci.hpp"
49#include "gc/g1/heapRegion.hpp"
50#include "runtime/javaCalls.hpp"
51#include "runtime/deoptimization.hpp"
52#include "runtime/timerTrace.hpp"
53#include "runtime/vframe.hpp"
54#include "runtime/vframe_hp.hpp"
55#include "runtime/vmStructs.hpp"
56
57
58// Entry to native method implementation that transitions current thread to '_thread_in_vm'.
59#define C2V_VMENTRY(result_type, name, signature) \
60  JNIEXPORT result_type JNICALL c2v_ ## name signature { \
61  TRACE_jvmci_1("CompilerToVM::" #name); \
62  TRACE_CALL(result_type, jvmci_ ## name signature) \
63  JVMCI_VM_ENTRY_MARK; \
64
65#define C2V_END }
66
67oop CompilerToVM::get_jvmci_method(const methodHandle& method, TRAPS) {
68  if (method() != NULL) {
69    JavaValue result(T_OBJECT);
70    JavaCallArguments args;
71    args.push_long((jlong) (address) method());
72    JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedJavaMethodImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::method_fromMetaspace_signature(), &args, CHECK_NULL);
73
74    return (oop)result.get_jobject();
75  }
76  return NULL;
77}
78
79oop CompilerToVM::get_jvmci_type(KlassHandle klass, TRAPS) {
80  if (klass() != NULL) {
81    JavaValue result(T_OBJECT);
82    JavaCallArguments args;
83    args.push_oop(klass->java_mirror());
84    JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedObjectTypeImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::klass_fromMetaspace_signature(), &args, CHECK_NULL);
85
86    return (oop)result.get_jobject();
87  }
88  return NULL;
89}
90
91extern "C" {
92extern VMStructEntry* jvmciHotSpotVMStructs;
93extern uint64_t jvmciHotSpotVMStructEntryTypeNameOffset;
94extern uint64_t jvmciHotSpotVMStructEntryFieldNameOffset;
95extern uint64_t jvmciHotSpotVMStructEntryTypeStringOffset;
96extern uint64_t jvmciHotSpotVMStructEntryIsStaticOffset;
97extern uint64_t jvmciHotSpotVMStructEntryOffsetOffset;
98extern uint64_t jvmciHotSpotVMStructEntryAddressOffset;
99extern uint64_t jvmciHotSpotVMStructEntryArrayStride;
100
101extern VMTypeEntry* jvmciHotSpotVMTypes;
102extern uint64_t jvmciHotSpotVMTypeEntryTypeNameOffset;
103extern uint64_t jvmciHotSpotVMTypeEntrySuperclassNameOffset;
104extern uint64_t jvmciHotSpotVMTypeEntryIsOopTypeOffset;
105extern uint64_t jvmciHotSpotVMTypeEntryIsIntegerTypeOffset;
106extern uint64_t jvmciHotSpotVMTypeEntryIsUnsignedOffset;
107extern uint64_t jvmciHotSpotVMTypeEntrySizeOffset;
108extern uint64_t jvmciHotSpotVMTypeEntryArrayStride;
109
110extern VMIntConstantEntry* jvmciHotSpotVMIntConstants;
111extern uint64_t jvmciHotSpotVMIntConstantEntryNameOffset;
112extern uint64_t jvmciHotSpotVMIntConstantEntryValueOffset;
113extern uint64_t jvmciHotSpotVMIntConstantEntryArrayStride;
114
115extern VMLongConstantEntry* jvmciHotSpotVMLongConstants;
116extern uint64_t jvmciHotSpotVMLongConstantEntryNameOffset;
117extern uint64_t jvmciHotSpotVMLongConstantEntryValueOffset;
118extern uint64_t jvmciHotSpotVMLongConstantEntryArrayStride;
119
120extern VMAddressEntry* jvmciHotSpotVMAddresses;
121extern uint64_t jvmciHotSpotVMAddressEntryNameOffset;
122extern uint64_t jvmciHotSpotVMAddressEntryValueOffset;
123extern uint64_t jvmciHotSpotVMAddressEntryArrayStride;
124}
125
126int CompilerToVM::Data::Klass_vtable_start_offset;
127int CompilerToVM::Data::Klass_vtable_length_offset;
128
129int CompilerToVM::Data::Method_extra_stack_entries;
130
131address CompilerToVM::Data::SharedRuntime_ic_miss_stub;
132address CompilerToVM::Data::SharedRuntime_handle_wrong_method_stub;
133address CompilerToVM::Data::SharedRuntime_deopt_blob_unpack;
134address CompilerToVM::Data::SharedRuntime_deopt_blob_uncommon_trap;
135
136size_t CompilerToVM::Data::ThreadLocalAllocBuffer_alignment_reserve;
137
138CollectedHeap* CompilerToVM::Data::Universe_collectedHeap;
139int CompilerToVM::Data::Universe_base_vtable_size;
140address CompilerToVM::Data::Universe_narrow_oop_base;
141int CompilerToVM::Data::Universe_narrow_oop_shift;
142address CompilerToVM::Data::Universe_narrow_klass_base;
143int CompilerToVM::Data::Universe_narrow_klass_shift;
144void* CompilerToVM::Data::Universe_non_oop_bits;
145uintptr_t CompilerToVM::Data::Universe_verify_oop_mask;
146uintptr_t CompilerToVM::Data::Universe_verify_oop_bits;
147
148bool       CompilerToVM::Data::_supports_inline_contig_alloc;
149HeapWord** CompilerToVM::Data::_heap_end_addr;
150HeapWord** CompilerToVM::Data::_heap_top_addr;
151
152jbyte* CompilerToVM::Data::cardtable_start_address;
153int CompilerToVM::Data::cardtable_shift;
154
155int CompilerToVM::Data::vm_page_size;
156
157void CompilerToVM::Data::initialize() {
158  Klass_vtable_start_offset = in_bytes(Klass::vtable_start_offset());
159  Klass_vtable_length_offset = in_bytes(Klass::vtable_length_offset());
160
161  Method_extra_stack_entries = Method::extra_stack_entries();
162
163  SharedRuntime_ic_miss_stub = SharedRuntime::get_ic_miss_stub();
164  SharedRuntime_handle_wrong_method_stub = SharedRuntime::get_handle_wrong_method_stub();
165  SharedRuntime_deopt_blob_unpack = SharedRuntime::deopt_blob()->unpack();
166  SharedRuntime_deopt_blob_uncommon_trap = SharedRuntime::deopt_blob()->uncommon_trap();
167
168  ThreadLocalAllocBuffer_alignment_reserve = ThreadLocalAllocBuffer::alignment_reserve();
169
170  Universe_collectedHeap = Universe::heap();
171  Universe_base_vtable_size = Universe::base_vtable_size();
172  Universe_narrow_oop_base = Universe::narrow_oop_base();
173  Universe_narrow_oop_shift = Universe::narrow_oop_shift();
174  Universe_narrow_klass_base = Universe::narrow_klass_base();
175  Universe_narrow_klass_shift = Universe::narrow_klass_shift();
176  Universe_non_oop_bits = Universe::non_oop_word();
177  Universe_verify_oop_mask = Universe::verify_oop_mask();
178  Universe_verify_oop_bits = Universe::verify_oop_bits();
179
180  _supports_inline_contig_alloc = Universe::heap()->supports_inline_contig_alloc();
181  _heap_end_addr = _supports_inline_contig_alloc ? Universe::heap()->end_addr() : (HeapWord**) -1;
182  _heap_top_addr = _supports_inline_contig_alloc ? Universe::heap()->top_addr() : (HeapWord**) -1;
183
184  BarrierSet* bs = Universe::heap()->barrier_set();
185  switch (bs->kind()) {
186  case BarrierSet::CardTableModRef:
187  case BarrierSet::CardTableForRS:
188  case BarrierSet::CardTableExtension:
189  case BarrierSet::G1SATBCT:
190  case BarrierSet::G1SATBCTLogging: {
191    jbyte* base = barrier_set_cast<CardTableModRefBS>(bs)->byte_map_base;
192    assert(base != 0, "unexpected byte_map_base");
193    cardtable_start_address = base;
194    cardtable_shift = CardTableModRefBS::card_shift;
195    break;
196  }
197  case BarrierSet::ModRef:
198    cardtable_start_address = 0;
199    cardtable_shift = 0;
200    // No post barriers
201    break;
202  default:
203    ShouldNotReachHere();
204    break;
205  }
206
207  vm_page_size = os::vm_page_size();
208}
209
210/**
211 * We put all jvmciHotSpotVM values in an array so we can read them easily from Java.
212 */
213static uintptr_t ciHotSpotVMData[28];
214
215C2V_VMENTRY(jlong, initializeConfiguration, (JNIEnv *env, jobject))
216  ciHotSpotVMData[0] = (uintptr_t) jvmciHotSpotVMStructs;
217  ciHotSpotVMData[1] = jvmciHotSpotVMStructEntryTypeNameOffset;
218  ciHotSpotVMData[2] = jvmciHotSpotVMStructEntryFieldNameOffset;
219  ciHotSpotVMData[3] = jvmciHotSpotVMStructEntryTypeStringOffset;
220  ciHotSpotVMData[4] = jvmciHotSpotVMStructEntryIsStaticOffset;
221  ciHotSpotVMData[5] = jvmciHotSpotVMStructEntryOffsetOffset;
222  ciHotSpotVMData[6] = jvmciHotSpotVMStructEntryAddressOffset;
223  ciHotSpotVMData[7] = jvmciHotSpotVMStructEntryArrayStride;
224
225  ciHotSpotVMData[8] = (uintptr_t) jvmciHotSpotVMTypes;
226  ciHotSpotVMData[9] = jvmciHotSpotVMTypeEntryTypeNameOffset;
227  ciHotSpotVMData[10] = jvmciHotSpotVMTypeEntrySuperclassNameOffset;
228  ciHotSpotVMData[11] = jvmciHotSpotVMTypeEntryIsOopTypeOffset;
229  ciHotSpotVMData[12] = jvmciHotSpotVMTypeEntryIsIntegerTypeOffset;
230  ciHotSpotVMData[13] = jvmciHotSpotVMTypeEntryIsUnsignedOffset;
231  ciHotSpotVMData[14] = jvmciHotSpotVMTypeEntrySizeOffset;
232  ciHotSpotVMData[15] = jvmciHotSpotVMTypeEntryArrayStride;
233
234  ciHotSpotVMData[16] = (uintptr_t) jvmciHotSpotVMIntConstants;
235  ciHotSpotVMData[17] = jvmciHotSpotVMIntConstantEntryNameOffset;
236  ciHotSpotVMData[18] = jvmciHotSpotVMIntConstantEntryValueOffset;
237  ciHotSpotVMData[19] = jvmciHotSpotVMIntConstantEntryArrayStride;
238
239  ciHotSpotVMData[20] = (uintptr_t) jvmciHotSpotVMLongConstants;
240  ciHotSpotVMData[21] = jvmciHotSpotVMLongConstantEntryNameOffset;
241  ciHotSpotVMData[22] = jvmciHotSpotVMLongConstantEntryValueOffset;
242  ciHotSpotVMData[23] = jvmciHotSpotVMLongConstantEntryArrayStride;
243
244  ciHotSpotVMData[24] = (uintptr_t) jvmciHotSpotVMAddresses;
245  ciHotSpotVMData[25] = jvmciHotSpotVMAddressEntryNameOffset;
246  ciHotSpotVMData[26] = jvmciHotSpotVMAddressEntryValueOffset;
247  ciHotSpotVMData[27] = jvmciHotSpotVMAddressEntryArrayStride;
248
249  CompilerToVM::Data::initialize();
250
251  return (jlong) (address) &ciHotSpotVMData;
252C2V_END
253
254C2V_VMENTRY(jbyteArray, getBytecode, (JNIEnv *, jobject, jobject jvmci_method))
255  methodHandle method = CompilerToVM::asMethod(jvmci_method);
256  ResourceMark rm;
257
258  int code_size = method->code_size();
259  typeArrayOop reconstituted_code = oopFactory::new_byteArray(code_size, CHECK_NULL);
260
261  guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten");
262  // iterate over all bytecodes and replace non-Java bytecodes
263
264  for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) {
265    Bytecodes::Code code = s.code();
266    Bytecodes::Code raw_code = s.raw_code();
267    int bci = s.bci();
268    int len = s.instruction_size();
269
270    // Restore original byte code.
271    reconstituted_code->byte_at_put(bci, (jbyte) (s.is_wide()? Bytecodes::_wide : code));
272    if (len > 1) {
273      memcpy(reconstituted_code->byte_at_addr(bci + 1), s.bcp()+1, len-1);
274    }
275
276    if (len > 1) {
277      // Restore the big-endian constant pool indexes.
278      // Cf. Rewriter::scan_method
279      switch (code) {
280        case Bytecodes::_getstatic:
281        case Bytecodes::_putstatic:
282        case Bytecodes::_getfield:
283        case Bytecodes::_putfield:
284        case Bytecodes::_invokevirtual:
285        case Bytecodes::_invokespecial:
286        case Bytecodes::_invokestatic:
287        case Bytecodes::_invokeinterface:
288        case Bytecodes::_invokehandle: {
289          int cp_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
290          Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
291          break;
292        }
293
294        case Bytecodes::_invokedynamic:
295          int cp_index = Bytes::get_native_u4((address) reconstituted_code->byte_at_addr(bci + 1));
296          Bytes::put_Java_u4((address) reconstituted_code->byte_at_addr(bci + 1), (u4) cp_index);
297          break;
298      }
299
300      // Not all ldc byte code are rewritten.
301      switch (raw_code) {
302        case Bytecodes::_fast_aldc: {
303          int cpc_index = reconstituted_code->byte_at(bci + 1) & 0xff;
304          int cp_index = method->constants()->object_to_cp_index(cpc_index);
305          assert(cp_index < method->constants()->length(), "sanity check");
306          reconstituted_code->byte_at_put(bci + 1, (jbyte) cp_index);
307          break;
308        }
309
310        case Bytecodes::_fast_aldc_w: {
311          int cpc_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
312          int cp_index = method->constants()->object_to_cp_index(cpc_index);
313          assert(cp_index < method->constants()->length(), "sanity check");
314          Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
315          break;
316        }
317      }
318    }
319  }
320
321  return (jbyteArray) JNIHandles::make_local(THREAD, reconstituted_code);
322C2V_END
323
324C2V_VMENTRY(jint, getExceptionTableLength, (JNIEnv *, jobject, jobject jvmci_method))
325  ResourceMark rm;
326  methodHandle method = CompilerToVM::asMethod(jvmci_method);
327  return method->exception_table_length();
328C2V_END
329
330C2V_VMENTRY(jlong, getExceptionTableStart, (JNIEnv *, jobject, jobject jvmci_method))
331  ResourceMark rm;
332  methodHandle method = CompilerToVM::asMethod(jvmci_method);
333  if (method->exception_table_length() == 0) {
334    return 0L;
335  }
336  return (jlong) (address) method->exception_table_start();
337C2V_END
338
339C2V_VMENTRY(jobject, getResolvedJavaMethodAtSlot, (JNIEnv *, jobject, jclass holder_handle, jint slot))
340  oop java_class = JNIHandles::resolve(holder_handle);
341  Klass* holder = java_lang_Class::as_Klass(java_class);
342  methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot);
343  oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
344  return JNIHandles::make_local(THREAD, result);
345}
346
347C2V_VMENTRY(jobject, getResolvedJavaMethod, (JNIEnv *, jobject, jobject base, jlong offset))
348  methodHandle method;
349  oop base_object = JNIHandles::resolve(base);
350  if (base_object == NULL) {
351    method = *((Method**)(offset));
352  } else if (base_object->is_a(SystemDictionary::MemberName_klass())) {
353    method = (Method*) (intptr_t) base_object->long_field(offset);
354  } else if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
355    method = *((Method**)(HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object) + offset));
356  } else {
357    THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
358                err_msg("Unexpected type: %s", base_object->klass()->external_name()));
359  }
360  assert (method.is_null() || method->is_method(), "invalid read");
361  oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
362  return JNIHandles::make_local(THREAD, result);
363}
364
365C2V_VMENTRY(jobject, getConstantPool, (JNIEnv *, jobject, jobject base, jlong offset))
366  constantPoolHandle cp;
367  oop base_object = JNIHandles::resolve(base);
368  jlong base_address = 0;
369  if (base_object != NULL) {
370    if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
371      base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object);
372    } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) {
373      base_address = HotSpotConstantPool::metaspaceConstantPool(base_object);
374    } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
375      base_address = (jlong) CompilerToVM::asKlass(base_object);
376    } else {
377      THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
378                  err_msg("Unexpected type: %s", base_object->klass()->external_name()));
379    }
380  }
381  cp = *((ConstantPool**) (intptr_t) (base_address + offset));
382  if (!cp.is_null()) {
383    JavaValue method_result(T_OBJECT);
384    JavaCallArguments args;
385    args.push_long((jlong) (address) cp());
386    JavaCalls::call_static(&method_result, SystemDictionary::HotSpotConstantPool_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::constantPool_fromMetaspace_signature(), &args, CHECK_NULL);
387    return JNIHandles::make_local(THREAD, (oop)method_result.get_jobject());
388  }
389  return NULL;
390}
391
392C2V_VMENTRY(jobject, getResolvedJavaType, (JNIEnv *, jobject, jobject base, jlong offset, jboolean compressed))
393  KlassHandle klass;
394  oop base_object = JNIHandles::resolve(base);
395  jlong base_address = 0;
396  if (base_object != NULL && offset == oopDesc::klass_offset_in_bytes()) {
397    klass = base_object->klass();
398  } else if (!compressed) {
399    if (base_object != NULL) {
400      if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
401        base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object);
402      } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) {
403        base_address = HotSpotConstantPool::metaspaceConstantPool(base_object);
404      } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
405        base_address = (jlong) CompilerToVM::asKlass(base_object);
406      } else if (base_object->is_a(SystemDictionary::Class_klass())) {
407        base_address = (jlong) (address) base_object;
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    }
413    klass = *((Klass**) (intptr_t) (base_address + offset));
414  } else {
415    THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
416                err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
417  }
418  assert (klass.is_null() || klass->is_klass(), "invalid read");
419  oop result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
420  return JNIHandles::make_local(THREAD, result);
421}
422
423C2V_VMENTRY(jobject, findUniqueConcreteMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
424  ResourceMark rm;
425  methodHandle method = CompilerToVM::asMethod(jvmci_method);
426  KlassHandle holder = CompilerToVM::asKlass(jvmci_type);
427  if (holder->is_interface()) {
428    THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", holder->external_name()));
429  }
430
431  methodHandle ucm;
432  {
433    MutexLocker locker(Compile_lock);
434    ucm = Dependencies::find_unique_concrete_method(holder(), method());
435  }
436  oop result = CompilerToVM::get_jvmci_method(ucm, CHECK_NULL);
437  return JNIHandles::make_local(THREAD, result);
438C2V_END
439
440C2V_VMENTRY(jobject, getImplementor, (JNIEnv *, jobject, jobject jvmci_type))
441  InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type);
442  oop implementor = CompilerToVM::get_jvmci_type(klass->implementor(), CHECK_NULL);
443  return JNIHandles::make_local(THREAD, implementor);
444C2V_END
445
446C2V_VMENTRY(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv *, jobject, jobject jvmci_method))
447  methodHandle method = CompilerToVM::asMethod(jvmci_method);
448  return method->is_ignored_by_security_stack_walk();
449C2V_END
450
451C2V_VMENTRY(jboolean, canInlineMethod,(JNIEnv *, jobject, jobject jvmci_method))
452  methodHandle method = CompilerToVM::asMethod(jvmci_method);
453  // In hosted mode ignore the not_compilable flags since they are never set by
454  // the JVMCI compiler.
455  bool is_compilable = UseJVMCICompiler ? !method->is_not_compilable(CompLevel_full_optimization) : true;
456  return is_compilable && !CompilerOracle::should_not_inline(method) && !method->dont_inline();
457C2V_END
458
459C2V_VMENTRY(jboolean, shouldInlineMethod,(JNIEnv *, jobject, jobject jvmci_method))
460  methodHandle method = CompilerToVM::asMethod(jvmci_method);
461  return CompilerOracle::should_inline(method) || method->force_inline();
462C2V_END
463
464C2V_VMENTRY(jobject, lookupType, (JNIEnv*, jobject, jstring jname, jclass accessing_class, jboolean resolve))
465  ResourceMark rm;
466  Handle name = JNIHandles::resolve(jname);
467  Symbol* class_name = java_lang_String::as_symbol(name, CHECK_0);
468  if (java_lang_String::length(name()) <= 1) {
469    THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string()));
470  }
471
472  Klass* resolved_klass = NULL;
473  Handle class_loader;
474  Handle protection_domain;
475  if (JNIHandles::resolve(accessing_class) == NULL) {
476    THROW_0(vmSymbols::java_lang_NullPointerException());
477  }
478  Klass* accessing_klass = java_lang_Class::as_Klass(JNIHandles::resolve(accessing_class));
479  class_loader = accessing_klass->class_loader();
480  protection_domain = accessing_klass->protection_domain();
481
482  if (resolve) {
483    resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0);
484  } else {
485    if (class_name->byte_at(0) == 'L' &&
486      class_name->byte_at(class_name->utf8_length()-1) == ';') {
487      // This is a name from a signature.  Strip off the trimmings.
488      // Call recursive to keep scope of strippedsym.
489      TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1,
490                                                          class_name->utf8_length()-2,
491                                                          CHECK_0);
492      resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0);
493    } else if (FieldType::is_array(class_name)) {
494      FieldArrayInfo fd;
495      // dimension and object_key in FieldArrayInfo are assigned as a side-effect
496      // of this call
497      BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0);
498      if (t == T_OBJECT) {
499        TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(),
500                                                            class_name->utf8_length()-2-fd.dimension(),
501                                                            CHECK_0);
502        // naked oop "k" is OK here -- we assign back into it
503        resolved_klass = SystemDictionary::find(strippedsym,
504                                                             class_loader,
505                                                             protection_domain,
506                                                             CHECK_0);
507        if (resolved_klass != NULL) {
508          resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0);
509        }
510      } else {
511        resolved_klass = Universe::typeArrayKlassObj(t);
512        resolved_klass = TypeArrayKlass::cast(resolved_klass)->array_klass(fd.dimension(), CHECK_0);
513      }
514    }
515  }
516  Handle result = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
517  return JNIHandles::make_local(THREAD, result());
518C2V_END
519
520C2V_VMENTRY(jobject, resolveConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
521  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
522  oop result = cp->resolve_constant_at(index, CHECK_NULL);
523  return JNIHandles::make_local(THREAD, result);
524C2V_END
525
526C2V_VMENTRY(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
527  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
528  oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL);
529  return JNIHandles::make_local(THREAD, result);
530C2V_END
531
532C2V_VMENTRY(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
533  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
534  return cp->name_and_type_ref_index_at(index);
535C2V_END
536
537C2V_VMENTRY(jobject, lookupNameInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
538  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
539  Handle sym = java_lang_String::create_from_symbol(cp->name_ref_at(which), CHECK_NULL);
540  return JNIHandles::make_local(THREAD, sym());
541C2V_END
542
543C2V_VMENTRY(jobject, lookupSignatureInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
544  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
545  Handle sym = java_lang_String::create_from_symbol(cp->signature_ref_at(which), CHECK_NULL);
546  return JNIHandles::make_local(THREAD, sym());
547C2V_END
548
549C2V_VMENTRY(jint, lookupKlassRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
550  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
551  return cp->klass_ref_index_at(index);
552C2V_END
553
554C2V_VMENTRY(jobject, resolveTypeInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
555  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
556  Klass* resolved_klass = cp->klass_at(index, CHECK_NULL);
557  Handle klass = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
558  return JNIHandles::make_local(THREAD, klass());
559C2V_END
560
561C2V_VMENTRY(jobject, lookupKlassInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
562  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
563  KlassHandle loading_klass(cp->pool_holder());
564  bool is_accessible = false;
565  KlassHandle klass = JVMCIEnv::get_klass_by_index(cp, index, is_accessible, loading_klass);
566  Symbol* symbol = NULL;
567  if (klass.is_null()) {
568    symbol = cp->klass_name_at(index);
569  }
570  Handle result;
571  if (!klass.is_null()) {
572    result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
573  } else {
574    result = java_lang_String::create_from_symbol(symbol, CHECK_NULL);
575  }
576  return JNIHandles::make_local(THREAD, result());
577C2V_END
578
579C2V_VMENTRY(jobject, lookupAppendixInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
580  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
581  oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index);
582  return JNIHandles::make_local(THREAD, appendix_oop);
583C2V_END
584
585C2V_VMENTRY(jobject, lookupMethodInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
586  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
587  instanceKlassHandle pool_holder(cp->pool_holder());
588  Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
589  methodHandle method = JVMCIEnv::get_method_by_index(cp, index, bc, pool_holder);
590  oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
591  return JNIHandles::make_local(THREAD, result);
592C2V_END
593
594C2V_VMENTRY(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
595  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
596  return cp->remap_instruction_operand_from_cache(index);
597C2V_END
598
599C2V_VMENTRY(jobject, resolveFieldInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode, jlongArray info_handle))
600  ResourceMark rm;
601  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
602  Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF);
603  fieldDescriptor fd;
604  LinkInfo link_info(cp, index, CHECK_0);
605  LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0);
606  typeArrayOop info = (typeArrayOop) JNIHandles::resolve(info_handle);
607  assert(info != NULL && info->length() == 2, "must be");
608  info->long_at_put(0, (jlong) fd.access_flags().as_int());
609  info->long_at_put(1, (jlong) fd.offset());
610  oop field_holder = CompilerToVM::get_jvmci_type(fd.field_holder(), CHECK_NULL);
611  return JNIHandles::make_local(THREAD, field_holder);
612C2V_END
613
614C2V_VMENTRY(jint, getVtableIndexForInterfaceMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
615  ResourceMark rm;
616  Klass* klass = CompilerToVM::asKlass(jvmci_type);
617  Method* method = CompilerToVM::asMethod(jvmci_method);
618  if (klass->is_interface()) {
619    THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", klass->external_name()));
620  }
621  if (!method->method_holder()->is_interface()) {
622    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()));
623  }
624  if (!InstanceKlass::cast(klass)->is_linked()) {
625    THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Class %s must be linked", klass->external_name()));
626  }
627  return LinkResolver::vtable_index_of_interface_method(klass, method);
628C2V_END
629
630C2V_VMENTRY(jobject, resolveMethod, (JNIEnv *, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type))
631  Klass* recv_klass = CompilerToVM::asKlass(receiver_jvmci_type);
632  Klass* caller_klass = CompilerToVM::asKlass(caller_jvmci_type);
633  Method* method = CompilerToVM::asMethod(jvmci_method);
634
635  if (recv_klass->is_array_klass() || (InstanceKlass::cast(recv_klass)->is_linked())) {
636    Klass* holder_klass = method->method_holder();
637    Symbol* method_name = method->name();
638    Symbol* method_signature = method->signature();
639
640    if (holder_klass->is_interface()) {
641      // do link-time resolution to check all access rules.
642      LinkInfo link_info(holder_klass, method_name, method_signature, caller_klass, true);
643      methodHandle resolved_method = LinkResolver::linktime_resolve_interface_method_or_null(link_info);
644      if (resolved_method.is_null() || resolved_method->is_private()) {
645        return NULL;
646      }
647      assert(recv_klass->is_subtype_of(holder_klass), "");
648      // do actual lookup
649      methodHandle sel_method = LinkResolver::lookup_instance_method_in_klasses(recv_klass, resolved_method->name(), resolved_method->signature(), CHECK_AND_CLEAR_0);
650      oop result = CompilerToVM::get_jvmci_method(sel_method, CHECK_NULL);
651      return JNIHandles::make_local(THREAD, result);
652    } else {
653      // do link-time resolution to check all access rules.
654      LinkInfo link_info(holder_klass, method_name, method_signature, caller_klass, true);
655      methodHandle resolved_method = LinkResolver::linktime_resolve_virtual_method_or_null(link_info);
656      if (resolved_method.is_null()) {
657        return NULL;
658      }
659      // do actual lookup (see LinkResolver::runtime_resolve_virtual_method)
660      int vtable_index = Method::invalid_vtable_index;
661      Method* selected_method;
662
663      if (resolved_method->method_holder()->is_interface()) { // miranda method
664        vtable_index = LinkResolver::vtable_index_of_interface_method(holder_klass, resolved_method);
665        assert(vtable_index >= 0 , "we should have valid vtable index at this point");
666
667        selected_method = recv_klass->method_at_vtable(vtable_index);
668      } else {
669        // at this point we are sure that resolved_method is virtual and not
670        // a miranda method; therefore, it must have a valid vtable index.
671        assert(!resolved_method->has_itable_index(), "");
672        vtable_index = resolved_method->vtable_index();
673        // We could get a negative vtable_index for final methods,
674        // because as an optimization they are they are never put in the vtable,
675        // unless they override an existing method.
676        // If we do get a negative, it means the resolved method is the the selected
677        // method, and it can never be changed by an override.
678        if (vtable_index == Method::nonvirtual_vtable_index) {
679          assert(resolved_method->can_be_statically_bound(), "cannot override this method");
680          selected_method = resolved_method();
681        } else {
682          selected_method = recv_klass->method_at_vtable(vtable_index);
683        }
684      }
685      oop result = CompilerToVM::get_jvmci_method(selected_method, CHECK_NULL);
686      return JNIHandles::make_local(THREAD, result);
687    }
688  }
689  return NULL;
690C2V_END
691
692C2V_VMENTRY(jboolean, hasFinalizableSubclass,(JNIEnv *, jobject, jobject jvmci_type))
693  Klass* klass = CompilerToVM::asKlass(jvmci_type);
694  assert(klass != NULL, "method must not be called for primitive types");
695  return Dependencies::find_finalizable_subclass(klass) != NULL;
696C2V_END
697
698C2V_VMENTRY(jobject, getClassInitializer, (JNIEnv *, jobject, jobject jvmci_type))
699  InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type);
700  oop result = CompilerToVM::get_jvmci_method(klass->class_initializer(), CHECK_NULL);
701  return JNIHandles::make_local(THREAD, result);
702C2V_END
703
704C2V_VMENTRY(jlong, getMaxCallTargetOffset, (JNIEnv*, jobject, jlong addr))
705  address target_addr = (address) addr;
706  if (target_addr != 0x0) {
707    int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int));
708    int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int));
709    return MAX2(ABS(off_low), ABS(off_high));
710  }
711  return -1;
712C2V_END
713
714C2V_VMENTRY(void, doNotInlineOrCompile,(JNIEnv *, jobject,  jobject jvmci_method))
715  methodHandle method = CompilerToVM::asMethod(jvmci_method);
716  method->set_not_c1_compilable();
717  method->set_not_c2_compilable();
718  method->set_dont_inline(true);
719C2V_END
720
721C2V_VMENTRY(jint, installCode, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject installed_code, jobject speculation_log))
722  ResourceMark rm;
723  HandleMark hm;
724  Handle target_handle = JNIHandles::resolve(target);
725  Handle compiled_code_handle = JNIHandles::resolve(compiled_code);
726  CodeBlob* cb = NULL;
727  Handle installed_code_handle = JNIHandles::resolve(installed_code);
728  Handle speculation_log_handle = JNIHandles::resolve(speculation_log);
729
730  JVMCICompiler* compiler = JVMCICompiler::instance(CHECK_JNI_ERR);
731
732  TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer());
733  CodeInstaller installer;
734  JVMCIEnv::CodeInstallResult result = installer.install(compiler, target_handle, compiled_code_handle, cb, installed_code_handle, speculation_log_handle, CHECK_0);
735
736  if (PrintCodeCacheOnCompilation) {
737    stringStream s;
738    // Dump code cache  into a buffer before locking the tty,
739    {
740      MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
741      CodeCache::print_summary(&s, false);
742    }
743    ttyLocker ttyl;
744    tty->print_raw_cr(s.as_string());
745  }
746
747  if (result != JVMCIEnv::ok) {
748    assert(cb == NULL, "should be");
749  } else {
750    if (!installed_code_handle.is_null()) {
751      assert(installed_code_handle->is_a(InstalledCode::klass()), "wrong type");
752      nmethod::invalidate_installed_code(installed_code_handle, CHECK_0);
753      {
754        // Ensure that all updates to the InstalledCode fields are consistent.
755        MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag);
756        InstalledCode::set_address(installed_code_handle, (jlong) cb);
757        InstalledCode::set_version(installed_code_handle, InstalledCode::version(installed_code_handle) + 1);
758        if (cb->is_nmethod()) {
759          InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->as_nmethod_or_null()->verified_entry_point());
760        } else {
761          InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->code_begin());
762        }
763        if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) {
764          HotSpotInstalledCode::set_size(installed_code_handle, cb->size());
765          HotSpotInstalledCode::set_codeStart(installed_code_handle, (jlong) cb->code_begin());
766          HotSpotInstalledCode::set_codeSize(installed_code_handle, cb->code_size());
767        }
768      }
769      nmethod* nm = cb->as_nmethod_or_null();
770      if (nm != NULL && installed_code_handle->is_scavengable()) {
771        assert(nm->detect_scavenge_root_oops(), "nm should be scavengable if installed_code is scavengable");
772        if (!UseG1GC) {
773          assert(nm->on_scavenge_root_list(), "nm should be on scavengable list");
774        }
775      }
776    }
777  }
778  return result;
779C2V_END
780
781C2V_VMENTRY(jint, getMetadata, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject metadata))
782  ResourceMark rm;
783  HandleMark hm;
784
785  Handle target_handle = JNIHandles::resolve(target);
786  Handle compiled_code_handle = JNIHandles::resolve(compiled_code);
787  Handle metadata_handle = JNIHandles::resolve(metadata);
788
789  HotSpotOopMap::klass()->initialize(thread);
790
791  CodeMetadata code_metadata;
792  CodeBlob *cb = NULL;
793  CodeInstaller installer;
794
795  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);
796  if (result != JVMCIEnv::ok) {
797    return result;
798  }
799
800  if (code_metadata.get_nr_pc_desc() > 0) {
801    typeArrayHandle pcArrayOop = oopFactory::new_byteArray(sizeof(PcDesc) * code_metadata.get_nr_pc_desc(), CHECK_(JVMCIEnv::cache_full));
802    memcpy(pcArrayOop->byte_at_addr(0), code_metadata.get_pc_desc(), sizeof(PcDesc) * code_metadata.get_nr_pc_desc());
803    HotSpotMetaData::set_pcDescBytes(metadata_handle, pcArrayOop());
804  }
805
806  if (code_metadata.get_scopes_size() > 0) {
807    typeArrayHandle scopesArrayOop = oopFactory::new_byteArray(code_metadata.get_scopes_size(), CHECK_(JVMCIEnv::cache_full));
808    memcpy(scopesArrayOop->byte_at_addr(0), code_metadata.get_scopes_desc(), code_metadata.get_scopes_size());
809    HotSpotMetaData::set_scopesDescBytes(metadata_handle, scopesArrayOop());
810  }
811
812  RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer();
813  typeArrayHandle relocArrayOop = oopFactory::new_byteArray((int) reloc_buffer->size(), CHECK_(JVMCIEnv::cache_full));
814  if (reloc_buffer->size() > 0) {
815    memcpy(relocArrayOop->byte_at_addr(0), reloc_buffer->begin(), reloc_buffer->size());
816  }
817  HotSpotMetaData::set_relocBytes(metadata_handle, relocArrayOop());
818
819  const OopMapSet* oopMapSet = installer.oopMapSet();
820  {
821    ResourceMark mark;
822    ImmutableOopMapBuilder builder(oopMapSet);
823    int oopmap_size = builder.heap_size();
824    typeArrayHandle oopMapArrayHandle = oopFactory::new_byteArray(oopmap_size, CHECK_(JVMCIEnv::cache_full));
825    builder.generate_into((address) oopMapArrayHandle->byte_at_addr(0));
826    HotSpotMetaData::set_oopMaps(metadata_handle, oopMapArrayHandle());
827  }
828
829  HotSpotMetaData::set_metadata(metadata_handle, NULL);
830
831  ExceptionHandlerTable* handler = code_metadata.get_exception_table();
832  int table_size = handler->size_in_bytes();
833  typeArrayHandle exceptionArrayOop = oopFactory::new_byteArray(table_size, CHECK_(JVMCIEnv::cache_full));
834
835  if (table_size > 0) {
836    handler->copy_bytes_to((address) exceptionArrayOop->byte_at_addr(0));
837  }
838  HotSpotMetaData::set_exceptionBytes(metadata_handle, exceptionArrayOop());
839
840  return result;
841C2V_END
842
843C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv *jniEnv, jobject))
844  JVMCICompiler* compiler = JVMCICompiler::instance(CHECK);
845  CompilerStatistics* stats = compiler->stats();
846  stats->_standard.reset();
847  stats->_osr.reset();
848C2V_END
849
850C2V_VMENTRY(jobject, disassembleCodeBlob, (JNIEnv *jniEnv, jobject, jobject installedCode))
851  ResourceMark rm;
852  HandleMark hm;
853
854  if (installedCode == NULL) {
855    THROW_MSG_NULL(vmSymbols::java_lang_NullPointerException(), "installedCode is null");
856  }
857
858  jlong codeBlob = InstalledCode::address(installedCode);
859  if (codeBlob == 0L) {
860    return NULL;
861  }
862
863  CodeBlob* cb = (CodeBlob*) (address) codeBlob;
864  if (cb == NULL) {
865    return NULL;
866  }
867
868  // We don't want the stringStream buffer to resize during disassembly as it
869  // uses scoped resource memory. If a nested function called during disassembly uses
870  // a ResourceMark and the buffer expands within the scope of the mark,
871  // the buffer becomes garbage when that scope is exited. Experience shows that
872  // the disassembled code is typically about 10x the code size so a fixed buffer
873  // sized to 20x code size plus a fixed amount for header info should be sufficient.
874  int bufferSize = cb->code_size() * 20 + 1024;
875  char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize);
876  stringStream st(buffer, bufferSize);
877  if (cb->is_nmethod()) {
878    nmethod* nm = (nmethod*) cb;
879    if (!nm->is_alive()) {
880      return NULL;
881    }
882  }
883  Disassembler::decode(cb, &st);
884  if (st.size() <= 0) {
885    return NULL;
886  }
887
888  Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL);
889  return JNIHandles::make_local(THREAD, result());
890C2V_END
891
892C2V_VMENTRY(jobject, getStackTraceElement, (JNIEnv*, jobject, jobject jvmci_method, int bci))
893  ResourceMark rm;
894  HandleMark hm;
895
896  methodHandle method = CompilerToVM::asMethod(jvmci_method);
897  oop element = java_lang_StackTraceElement::create(method, bci, CHECK_NULL);
898  return JNIHandles::make_local(THREAD, element);
899C2V_END
900
901C2V_VMENTRY(jobject, executeInstalledCode, (JNIEnv*, jobject, jobject args, jobject hotspotInstalledCode))
902  ResourceMark rm;
903  HandleMark hm;
904
905  jlong nmethodValue = InstalledCode::address(hotspotInstalledCode);
906  if (nmethodValue == 0L) {
907    THROW_NULL(vmSymbols::jdk_vm_ci_code_InvalidInstalledCodeException());
908  }
909  nmethod* nm = (nmethod*) (address) nmethodValue;
910  methodHandle mh = nm->method();
911  Symbol* signature = mh->signature();
912  JavaCallArguments jca(mh->size_of_parameters());
913
914  JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
915  JavaValue result(jap.get_ret_type());
916  jca.set_alternative_target(nm);
917  JavaCalls::call(&result, mh, &jca, CHECK_NULL);
918
919  if (jap.get_ret_type() == T_VOID) {
920    return NULL;
921  } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) {
922    return JNIHandles::make_local(THREAD, (oop) result.get_jobject());
923  } else {
924    jvalue *value = (jvalue *) result.get_value_addr();
925    // Narrow the value down if required (Important on big endian machines)
926    switch (jap.get_ret_type()) {
927      case T_BOOLEAN:
928       value->z = (jboolean) value->i;
929       break;
930      case T_BYTE:
931       value->b = (jbyte) value->i;
932       break;
933      case T_CHAR:
934       value->c = (jchar) value->i;
935       break;
936      case T_SHORT:
937       value->s = (jshort) value->i;
938       break;
939     }
940    oop o = java_lang_boxing_object::create(jap.get_ret_type(), value, CHECK_NULL);
941    return JNIHandles::make_local(THREAD, o);
942  }
943C2V_END
944
945C2V_VMENTRY(jlongArray, getLineNumberTable, (JNIEnv *, jobject, jobject jvmci_method))
946  Method* method = CompilerToVM::asMethod(jvmci_method);
947  if (!method->has_linenumber_table()) {
948    return NULL;
949  }
950  u2 num_entries = 0;
951  CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
952  while (streamForSize.read_pair()) {
953    num_entries++;
954  }
955
956  CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
957  typeArrayOop result = oopFactory::new_longArray(2 * num_entries, CHECK_NULL);
958
959  int i = 0;
960  jlong value;
961  while (stream.read_pair()) {
962    value = ((long) stream.bci());
963    result->long_at_put(i, value);
964    value = ((long) stream.line());
965    result->long_at_put(i + 1, value);
966    i += 2;
967  }
968
969  return (jlongArray) JNIHandles::make_local(THREAD, result);
970C2V_END
971
972C2V_VMENTRY(jlong, getLocalVariableTableStart, (JNIEnv *, jobject, jobject jvmci_method))
973  ResourceMark rm;
974  Method* method = CompilerToVM::asMethod(jvmci_method);
975  if (!method->has_localvariable_table()) {
976    return 0;
977  }
978  return (jlong) (address) method->localvariable_table_start();
979C2V_END
980
981C2V_VMENTRY(jint, getLocalVariableTableLength, (JNIEnv *, jobject, jobject jvmci_method))
982  ResourceMark rm;
983  Method* method = CompilerToVM::asMethod(jvmci_method);
984  return method->localvariable_table_length();
985C2V_END
986
987C2V_VMENTRY(void, reprofile, (JNIEnv*, jobject, jobject jvmci_method))
988  Method* method = CompilerToVM::asMethod(jvmci_method);
989  MethodCounters* mcs = method->method_counters();
990  if (mcs != NULL) {
991    mcs->clear_counters();
992  }
993  NOT_PRODUCT(method->set_compiled_invocation_count(0));
994
995  nmethod* code = method->code();
996  if (code != NULL) {
997    code->make_not_entrant();
998  }
999
1000  MethodData* method_data = method->method_data();
1001  if (method_data == NULL) {
1002    ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
1003    method_data = MethodData::allocate(loader_data, method, CHECK);
1004    method->set_method_data(method_data);
1005  } else {
1006    method_data->initialize();
1007  }
1008C2V_END
1009
1010
1011C2V_VMENTRY(void, invalidateInstalledCode, (JNIEnv*, jobject, jobject installed_code))
1012  Handle installed_code_handle = JNIHandles::resolve(installed_code);
1013  nmethod::invalidate_installed_code(installed_code_handle, CHECK);
1014C2V_END
1015
1016C2V_VMENTRY(jobject, readUncompressedOop, (JNIEnv*, jobject, jlong addr))
1017  oop ret = oopDesc::load_decode_heap_oop((oop*)(address)addr);
1018  return JNIHandles::make_local(THREAD, ret);
1019C2V_END
1020
1021C2V_VMENTRY(jlongArray, collectCounters, (JNIEnv*, jobject))
1022  typeArrayOop arrayOop = oopFactory::new_longArray(JVMCICounterSize, CHECK_NULL);
1023  JavaThread::collect_counters(arrayOop);
1024  return (jlongArray) JNIHandles::make_local(THREAD, arrayOop);
1025C2V_END
1026
1027C2V_VMENTRY(int, allocateCompileId, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci))
1028  HandleMark hm;
1029  ResourceMark rm;
1030  if (JNIHandles::resolve(jvmci_method) == NULL) {
1031    THROW_0(vmSymbols::java_lang_NullPointerException());
1032  }
1033  Method* method = CompilerToVM::asMethod(jvmci_method);
1034  if (entry_bci >= method->code_size() || entry_bci < -1) {
1035    THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Unexpected bci %d", entry_bci));
1036  }
1037  return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
1038C2V_END
1039
1040
1041C2V_VMENTRY(jboolean, isMature, (JNIEnv*, jobject, jlong metaspace_method_data))
1042  MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1043  return mdo != NULL && mdo->is_mature();
1044C2V_END
1045
1046C2V_VMENTRY(jboolean, hasCompiledCodeForOSR, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci, int comp_level))
1047  Method* method = CompilerToVM::asMethod(jvmci_method);
1048  return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
1049C2V_END
1050
1051C2V_VMENTRY(jobject, getSymbol, (JNIEnv*, jobject, jlong symbol))
1052  Handle sym = java_lang_String::create_from_symbol((Symbol*)(address)symbol, CHECK_NULL);
1053  return JNIHandles::make_local(THREAD, sym());
1054C2V_END
1055
1056bool matches(jobjectArray methods, Method* method) {
1057  objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods);
1058
1059  for (int i = 0; i < methods_oop->length(); i++) {
1060    oop resolved = methods_oop->obj_at(i);
1061    if (resolved->is_a(HotSpotResolvedJavaMethodImpl::klass()) && CompilerToVM::asMethod(resolved) == method) {
1062      return true;
1063    }
1064  }
1065  return false;
1066}
1067
1068C2V_VMENTRY(jobject, getNextStackFrame, (JNIEnv*, jobject compilerToVM, jobject hs_frame, jobjectArray methods, jint initialSkip))
1069  ResourceMark rm;
1070
1071  if (!thread->has_last_Java_frame()) return NULL;
1072  Handle result = HotSpotStackFrameReference::klass()->allocate_instance(thread);
1073  HotSpotStackFrameReference::klass()->initialize(thread);
1074
1075  StackFrameStream fst(thread);
1076  if (hs_frame != NULL) {
1077    // look for the correct stack frame if one is given
1078    intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1079    while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1080      fst.next();
1081    }
1082    if (fst.current()->sp() != stack_pointer) {
1083      THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1084    }
1085  }
1086
1087  int frame_number = 0;
1088  vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1089  if (hs_frame != NULL) {
1090    // look for the correct vframe within the stack frame if one is given
1091    int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1092    while (frame_number < last_frame_number) {
1093      if (vf->is_top()) {
1094        THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1095      }
1096      vf = vf->sender();
1097      frame_number ++;
1098    }
1099    // move one frame forward
1100    if (vf->is_top()) {
1101      if (fst.is_done()) {
1102        return NULL;
1103      }
1104      fst.next();
1105      vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1106      frame_number = 0;
1107    } else {
1108      vf = vf->sender();
1109      frame_number++;
1110    }
1111  }
1112
1113  while (true) {
1114    // look for the given method
1115    while (true) {
1116      StackValueCollection* locals = NULL;
1117      if (vf->is_compiled_frame()) {
1118        // compiled method frame
1119        compiledVFrame* cvf = compiledVFrame::cast(vf);
1120        if (methods == NULL || matches(methods, cvf->method())) {
1121          if (initialSkip > 0) {
1122            initialSkip --;
1123          } else {
1124            ScopeDesc* scope = cvf->scope();
1125            // native wrapper do not have a scope
1126            if (scope != NULL && scope->objects() != NULL) {
1127              bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), scope->objects(), THREAD);
1128              Deoptimization::reassign_fields(fst.current(), fst.register_map(), scope->objects(), realloc_failures, false);
1129
1130              GrowableArray<ScopeValue*>* local_values = scope->locals();
1131              typeArrayHandle array = oopFactory::new_boolArray(local_values->length(), thread);
1132              for (int i = 0; i < local_values->length(); i++) {
1133                ScopeValue* value = local_values->at(i);
1134                if (value->is_object()) {
1135                  array->bool_at_put(i, true);
1136                }
1137              }
1138              HotSpotStackFrameReference::set_localIsVirtual(result, array());
1139            } else {
1140              HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1141            }
1142
1143            locals = cvf->locals();
1144            HotSpotStackFrameReference::set_bci(result, cvf->bci());
1145            oop method = CompilerToVM::get_jvmci_method(cvf->method(), CHECK_NULL);
1146            HotSpotStackFrameReference::set_method(result, method);
1147          }
1148        }
1149      } else if (vf->is_interpreted_frame()) {
1150        // interpreted method frame
1151        interpretedVFrame* ivf = interpretedVFrame::cast(vf);
1152        if (methods == NULL || matches(methods, ivf->method())) {
1153          if (initialSkip > 0) {
1154            initialSkip --;
1155          } else {
1156            locals = ivf->locals();
1157            HotSpotStackFrameReference::set_bci(result, ivf->bci());
1158            oop method = CompilerToVM::get_jvmci_method(ivf->method(), CHECK_NULL);
1159            HotSpotStackFrameReference::set_method(result, method);
1160            HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1161          }
1162        }
1163      }
1164
1165      // locals != NULL means that we found a matching frame and result is already partially initialized
1166      if (locals != NULL) {
1167        HotSpotStackFrameReference::set_compilerToVM(result, JNIHandles::resolve(compilerToVM));
1168        HotSpotStackFrameReference::set_stackPointer(result, (jlong) fst.current()->sp());
1169        HotSpotStackFrameReference::set_frameNumber(result, frame_number);
1170
1171        // initialize the locals array
1172        objArrayHandle array = oopFactory::new_objectArray(locals->size(), thread);
1173        for (int i = 0; i < locals->size(); i++) {
1174          StackValue* var = locals->at(i);
1175          if (var->type() == T_OBJECT) {
1176            array->obj_at_put(i, locals->at(i)->get_obj()());
1177          }
1178        }
1179        HotSpotStackFrameReference::set_locals(result, array());
1180
1181        return JNIHandles::make_local(thread, result());
1182      }
1183
1184      if (vf->is_top()) {
1185        break;
1186      }
1187      frame_number++;
1188      vf = vf->sender();
1189    } // end of vframe loop
1190
1191    if (fst.is_done()) {
1192      break;
1193    }
1194    fst.next();
1195    vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1196    frame_number = 0;
1197  } // end of frame loop
1198
1199  // the end was reached without finding a matching method
1200  return NULL;
1201C2V_END
1202
1203C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1204  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1205  CallInfo callInfo;
1206  LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK);
1207  ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index);
1208  cp_cache_entry->set_dynamic_call(cp, callInfo);
1209C2V_END
1210
1211C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1212  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1213  CallInfo callInfo;
1214  LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK);
1215  ConstantPoolCacheEntry* cp_cache_entry = cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1216  cp_cache_entry->set_method_handle(cp, callInfo);
1217C2V_END
1218
1219C2V_VMENTRY(jboolean, shouldDebugNonSafepoints, (JNIEnv*, jobject))
1220  //see compute_recording_non_safepoints in debugInfroRec.cpp
1221  if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
1222    return true;
1223  }
1224  return DebugNonSafepoints;
1225C2V_END
1226
1227// public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate);
1228C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv*, jobject, jobject hs_frame, bool invalidate))
1229  ResourceMark rm;
1230
1231  if (hs_frame == NULL) {
1232    THROW_MSG(vmSymbols::java_lang_NullPointerException(), "stack frame is null")
1233  }
1234
1235  HotSpotStackFrameReference::klass()->initialize(thread);
1236
1237  // look for the given stack frame
1238  StackFrameStream fst(thread);
1239  intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1240  while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1241    fst.next();
1242  }
1243  if (fst.current()->sp() != stack_pointer) {
1244    THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1245  }
1246
1247  if (invalidate) {
1248    if (!fst.current()->is_compiled_frame()) {
1249      THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1250    }
1251    assert(fst.current()->cb()->is_nmethod(), "nmethod expected");
1252    ((nmethod*) fst.current()->cb())->make_not_entrant();
1253  }
1254  Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none);
1255  // look for the frame again as it has been updated by deopt (pc, deopt state...)
1256  StackFrameStream fstAfterDeopt(thread);
1257  while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) {
1258    fstAfterDeopt.next();
1259  }
1260  if (fstAfterDeopt.current()->sp() != stack_pointer) {
1261    THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1262  }
1263
1264  vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
1265  if (!vf->is_compiled_frame()) {
1266    THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1267  }
1268
1269  GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10);
1270  while (true) {
1271    assert(vf->is_compiled_frame(), "Wrong frame type");
1272    virtualFrames->push(compiledVFrame::cast(vf));
1273    if (vf->is_top()) {
1274      break;
1275    }
1276    vf = vf->sender();
1277  }
1278
1279  int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1280  if (last_frame_number >= virtualFrames->length()) {
1281    THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1282  }
1283
1284  // Reallocate the non-escaping objects and restore their fields.
1285  assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope");
1286  GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
1287
1288  if (objects == NULL) {
1289    // no objects to materialize
1290    return;
1291  }
1292
1293  bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), objects, THREAD);
1294  Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false);
1295
1296  for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
1297    compiledVFrame* cvf = virtualFrames->at(frame_index);
1298
1299    GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals();
1300    StackValueCollection* locals = cvf->locals();
1301
1302    if (locals != NULL) {
1303      for (int i2 = 0; i2 < locals->size(); i2++) {
1304        StackValue* var = locals->at(i2);
1305        if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) {
1306          jvalue val;
1307          val.l = (jobject) locals->at(i2)->get_obj()();
1308          cvf->update_local(T_OBJECT, i2, val);
1309        }
1310      }
1311    }
1312  }
1313
1314  // all locals are materialized by now
1315  HotSpotStackFrameReference::set_localIsVirtual(hs_frame, NULL);
1316
1317  // update the locals array
1318  objArrayHandle array = HotSpotStackFrameReference::locals(hs_frame);
1319  StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals();
1320  for (int i = 0; i < locals->size(); i++) {
1321    StackValue* var = locals->at(i);
1322    if (var->type() == T_OBJECT) {
1323      array->obj_at_put(i, locals->at(i)->get_obj()());
1324    }
1325  }
1326C2V_END
1327
1328C2V_VMENTRY(void, writeDebugOutput, (JNIEnv*, jobject, jbyteArray bytes, jint offset, jint length))
1329  if (bytes == NULL) {
1330    THROW(vmSymbols::java_lang_NullPointerException());
1331  }
1332  typeArrayOop array = (typeArrayOop) JNIHandles::resolve(bytes);
1333
1334  // Check if offset and length are non negative.
1335  if (offset < 0 || length < 0) {
1336    THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1337  }
1338  // Check if the range is valid.
1339  if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array->length())) {
1340    THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1341  }
1342  while (length > 0) {
1343    jbyte* start = array->byte_at_addr(offset);
1344    tty->write((char*) start, MIN2(length, O_BUFLEN));
1345    length -= O_BUFLEN;
1346    offset += O_BUFLEN;
1347  }
1348C2V_END
1349
1350C2V_VMENTRY(void, flushDebugOutput, (JNIEnv*, jobject))
1351  tty->flush();
1352C2V_END
1353
1354C2V_VMENTRY(int, methodDataProfileDataSize, (JNIEnv*, jobject, jlong metaspace_method_data, jint position))
1355  ResourceMark rm;
1356  MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1357  ProfileData* profile_data = mdo->data_at(position);
1358  if (mdo->is_valid(profile_data)) {
1359    return profile_data->size_in_bytes();
1360  }
1361  DataLayout* data    = mdo->extra_data_base();
1362  DataLayout* end   = mdo->extra_data_limit();
1363  for (;; data = mdo->next_extra(data)) {
1364    assert(data < end, "moved past end of extra data");
1365    profile_data = data->data_in();
1366    if (mdo->dp_to_di(profile_data->dp()) == position) {
1367      return profile_data->size_in_bytes();
1368    }
1369  }
1370  THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Invalid profile data position %d", position));
1371C2V_END
1372
1373C2V_VMENTRY(int, interpreterFrameSize, (JNIEnv*, jobject, jobject bytecode_frame_handle))
1374  if (bytecode_frame_handle == NULL) {
1375    THROW_0(vmSymbols::java_lang_NullPointerException());
1376  }
1377
1378  oop top_bytecode_frame = JNIHandles::resolve_non_null(bytecode_frame_handle);
1379  oop bytecode_frame = top_bytecode_frame;
1380  int size = 0;
1381  int callee_parameters = 0;
1382  int callee_locals = 0;
1383  Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1384  int extra_args = method->max_stack() - BytecodeFrame::numStack(bytecode_frame);
1385
1386  while (bytecode_frame != NULL) {
1387    int locks = BytecodeFrame::numLocks(bytecode_frame);
1388    int temps = BytecodeFrame::numStack(bytecode_frame);
1389    bool is_top_frame = (bytecode_frame == top_bytecode_frame);
1390    Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1391
1392    int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(),
1393                                                                 temps + callee_parameters,
1394                                                                 extra_args,
1395                                                                 locks,
1396                                                                 callee_parameters,
1397                                                                 callee_locals,
1398                                                                 is_top_frame);
1399    size += frame_size;
1400
1401    callee_parameters = method->size_of_parameters();
1402    callee_locals = method->max_locals();
1403    extra_args = 0;
1404    bytecode_frame = BytecodePosition::caller(bytecode_frame);
1405  }
1406  return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
1407C2V_END
1408
1409
1410#define CC (char*)  /*cast a literal from (const char*)*/
1411#define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
1412
1413#define STRING                "Ljava/lang/String;"
1414#define OBJECT                "Ljava/lang/Object;"
1415#define CLASS                 "Ljava/lang/Class;"
1416#define STACK_TRACE_ELEMENT   "Ljava/lang/StackTraceElement;"
1417#define INSTALLED_CODE        "Ljdk/vm/ci/code/InstalledCode;"
1418#define TARGET_DESCRIPTION    "Ljdk/vm/ci/code/TargetDescription;"
1419#define BYTECODE_FRAME        "Ljdk/vm/ci/code/BytecodeFrame;"
1420#define RESOLVED_METHOD       "Ljdk/vm/ci/meta/ResolvedJavaMethod;"
1421#define HS_RESOLVED_METHOD    "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;"
1422#define HS_RESOLVED_KLASS     "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;"
1423#define HS_CONSTANT_POOL      "Ljdk/vm/ci/hotspot/HotSpotConstantPool;"
1424#define HS_COMPILED_CODE      "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;"
1425#define HS_CONFIG             "Ljdk/vm/ci/hotspot/HotSpotVMConfig;"
1426#define HS_METADATA           "Ljdk/vm/ci/hotspot/HotSpotMetaData;"
1427#define HS_STACK_FRAME_REF    "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;"
1428#define HS_SPECULATION_LOG    "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;"
1429#define METASPACE_METHOD_DATA "J"
1430
1431JNINativeMethod CompilerToVM::methods[] = {
1432  {CC"getBytecode",                                  CC"("HS_RESOLVED_METHOD")[B",                                                     FN_PTR(getBytecode)},
1433  {CC"getExceptionTableStart",                       CC"("HS_RESOLVED_METHOD")J",                                                      FN_PTR(getExceptionTableStart)},
1434  {CC"getExceptionTableLength",                      CC"("HS_RESOLVED_METHOD")I",                                                      FN_PTR(getExceptionTableLength)},
1435  {CC"findUniqueConcreteMethod",                     CC"("HS_RESOLVED_KLASS HS_RESOLVED_METHOD")"HS_RESOLVED_METHOD,                   FN_PTR(findUniqueConcreteMethod)},
1436  {CC"getImplementor",                               CC"("HS_RESOLVED_KLASS")"HS_RESOLVED_KLASS,                                       FN_PTR(getImplementor)},
1437  {CC"getStackTraceElement",                         CC"("HS_RESOLVED_METHOD"I)"STACK_TRACE_ELEMENT,                                   FN_PTR(getStackTraceElement)},
1438  {CC"methodIsIgnoredBySecurityStackWalk",           CC"("HS_RESOLVED_METHOD")Z",                                                      FN_PTR(methodIsIgnoredBySecurityStackWalk)},
1439  {CC"doNotInlineOrCompile",                         CC"("HS_RESOLVED_METHOD")V",                                                      FN_PTR(doNotInlineOrCompile)},
1440  {CC"canInlineMethod",                              CC"("HS_RESOLVED_METHOD")Z",                                                      FN_PTR(canInlineMethod)},
1441  {CC"shouldInlineMethod",                           CC"("HS_RESOLVED_METHOD")Z",                                                      FN_PTR(shouldInlineMethod)},
1442  {CC"lookupType",                                   CC"("STRING CLASS"Z)"HS_RESOLVED_KLASS,                                           FN_PTR(lookupType)},
1443  {CC"lookupNameInPool",                             CC"("HS_CONSTANT_POOL"I)"STRING,                                                  FN_PTR(lookupNameInPool)},
1444  {CC"lookupNameAndTypeRefIndexInPool",              CC"("HS_CONSTANT_POOL"I)I",                                                       FN_PTR(lookupNameAndTypeRefIndexInPool)},
1445  {CC"lookupSignatureInPool",                        CC"("HS_CONSTANT_POOL"I)"STRING,                                                  FN_PTR(lookupSignatureInPool)},
1446  {CC"lookupKlassRefIndexInPool",                    CC"("HS_CONSTANT_POOL"I)I",                                                       FN_PTR(lookupKlassRefIndexInPool)},
1447  {CC"lookupKlassInPool",                            CC"("HS_CONSTANT_POOL"I)Ljava/lang/Object;",                                      FN_PTR(lookupKlassInPool)},
1448  {CC"lookupAppendixInPool",                         CC"("HS_CONSTANT_POOL"I)"OBJECT,                                                  FN_PTR(lookupAppendixInPool)},
1449  {CC"lookupMethodInPool",                           CC"("HS_CONSTANT_POOL"IB)"HS_RESOLVED_METHOD,                                     FN_PTR(lookupMethodInPool)},
1450  {CC"constantPoolRemapInstructionOperandFromCache", CC"("HS_CONSTANT_POOL"I)I",                                                       FN_PTR(constantPoolRemapInstructionOperandFromCache)},
1451  {CC"resolveConstantInPool",                        CC"("HS_CONSTANT_POOL"I)"OBJECT,                                                  FN_PTR(resolveConstantInPool)},
1452  {CC"resolvePossiblyCachedConstantInPool",          CC"("HS_CONSTANT_POOL"I)"OBJECT,                                                  FN_PTR(resolvePossiblyCachedConstantInPool)},
1453  {CC"resolveTypeInPool",                            CC"("HS_CONSTANT_POOL"I)"HS_RESOLVED_KLASS,                                       FN_PTR(resolveTypeInPool)},
1454  {CC"resolveFieldInPool",                           CC"("HS_CONSTANT_POOL"IB[J)"HS_RESOLVED_KLASS,                                    FN_PTR(resolveFieldInPool)},
1455  {CC"resolveInvokeDynamicInPool",                   CC"("HS_CONSTANT_POOL"I)V",                                                       FN_PTR(resolveInvokeDynamicInPool)},
1456  {CC"resolveInvokeHandleInPool",                    CC"("HS_CONSTANT_POOL"I)V",                                                       FN_PTR(resolveInvokeHandleInPool)},
1457  {CC"resolveMethod",                                CC"("HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS")"HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
1458  {CC"getVtableIndexForInterfaceMethod",             CC"("HS_RESOLVED_KLASS HS_RESOLVED_METHOD")I",                                    FN_PTR(getVtableIndexForInterfaceMethod)},
1459  {CC"getClassInitializer",                          CC"("HS_RESOLVED_KLASS")"HS_RESOLVED_METHOD,                                      FN_PTR(getClassInitializer)},
1460  {CC"hasFinalizableSubclass",                       CC"("HS_RESOLVED_KLASS")Z",                                                       FN_PTR(hasFinalizableSubclass)},
1461  {CC"getMaxCallTargetOffset",                       CC"(J)J",                                                                         FN_PTR(getMaxCallTargetOffset)},
1462  {CC"getResolvedJavaMethodAtSlot",                  CC"("CLASS"I)"HS_RESOLVED_METHOD,                                                 FN_PTR(getResolvedJavaMethodAtSlot)},
1463  {CC"getResolvedJavaMethod",                        CC"(Ljava/lang/Object;J)"HS_RESOLVED_METHOD,                                      FN_PTR(getResolvedJavaMethod)},
1464  {CC"getConstantPool",                              CC"(Ljava/lang/Object;J)"HS_CONSTANT_POOL,                                        FN_PTR(getConstantPool)},
1465  {CC"getResolvedJavaType",                          CC"(Ljava/lang/Object;JZ)"HS_RESOLVED_KLASS,                                      FN_PTR(getResolvedJavaType)},
1466  {CC"initializeConfiguration",                      CC"("HS_CONFIG")J",                                                               FN_PTR(initializeConfiguration)},
1467  {CC"installCode",                                  CC"("TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE HS_SPECULATION_LOG")I",   FN_PTR(installCode)},
1468  {CC"getMetadata",                                  CC"("TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA")I",                         FN_PTR(getMetadata)},
1469  {CC"resetCompilationStatistics",                   CC"()V",                                                                          FN_PTR(resetCompilationStatistics)},
1470  {CC"disassembleCodeBlob",                          CC"("INSTALLED_CODE")"STRING,                                                     FN_PTR(disassembleCodeBlob)},
1471  {CC"executeInstalledCode",                         CC"(["OBJECT INSTALLED_CODE")"OBJECT,                                             FN_PTR(executeInstalledCode)},
1472  {CC"getLineNumberTable",                           CC"("HS_RESOLVED_METHOD")[J",                                                     FN_PTR(getLineNumberTable)},
1473  {CC"getLocalVariableTableStart",                   CC"("HS_RESOLVED_METHOD")J",                                                      FN_PTR(getLocalVariableTableStart)},
1474  {CC"getLocalVariableTableLength",                  CC"("HS_RESOLVED_METHOD")I",                                                      FN_PTR(getLocalVariableTableLength)},
1475  {CC"reprofile",                                    CC"("HS_RESOLVED_METHOD")V",                                                      FN_PTR(reprofile)},
1476  {CC"invalidateInstalledCode",                      CC"("INSTALLED_CODE")V",                                                          FN_PTR(invalidateInstalledCode)},
1477  {CC"readUncompressedOop",                          CC"(J)"OBJECT,                                                                    FN_PTR(readUncompressedOop)},
1478  {CC"collectCounters",                              CC"()[J",                                                                         FN_PTR(collectCounters)},
1479  {CC"allocateCompileId",                            CC"("HS_RESOLVED_METHOD"I)I",                                                     FN_PTR(allocateCompileId)},
1480  {CC"isMature",                                     CC"("METASPACE_METHOD_DATA")Z",                                                   FN_PTR(isMature)},
1481  {CC"hasCompiledCodeForOSR",                        CC"("HS_RESOLVED_METHOD"II)Z",                                                    FN_PTR(hasCompiledCodeForOSR)},
1482  {CC"getSymbol",                                    CC"(J)"STRING,                                                                    FN_PTR(getSymbol)},
1483  {CC"getNextStackFrame",                            CC"("HS_STACK_FRAME_REF "["RESOLVED_METHOD"I)"HS_STACK_FRAME_REF,                 FN_PTR(getNextStackFrame)},
1484  {CC"materializeVirtualObjects",                    CC"("HS_STACK_FRAME_REF"Z)V",                                                     FN_PTR(materializeVirtualObjects)},
1485  {CC"shouldDebugNonSafepoints",                     CC"()Z",                                                                          FN_PTR(shouldDebugNonSafepoints)},
1486  {CC"writeDebugOutput",                             CC"([BII)V",                                                                      FN_PTR(writeDebugOutput)},
1487  {CC"flushDebugOutput",                             CC"()V",                                                                          FN_PTR(flushDebugOutput)},
1488  {CC"methodDataProfileDataSize",                    CC"(JI)I",                                                                        FN_PTR(methodDataProfileDataSize)},
1489  {CC"interpreterFrameSize",                         CC"("BYTECODE_FRAME")I",                                                          FN_PTR(interpreterFrameSize)},
1490};
1491
1492int CompilerToVM::methods_count() {
1493  return sizeof(methods) / sizeof(JNINativeMethod);
1494}
1495
1496