1 /*
2 * Copyright (c) 2011, 2017, 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 #include "utilities/resourceHash.hpp"
57
58
59 void JNIHandleMark::push_jni_handle_block() {
60 JavaThread* thread = JavaThread::current();
61 if (thread != NULL) {
62 // Allocate a new block for JNI handles.
63 // Inlined code from jni_PushLocalFrame()
64 JNIHandleBlock* java_handles = ((JavaThread*)thread)->active_handles();
65 JNIHandleBlock* compile_handles = JNIHandleBlock::allocate_block(thread);
66 assert(compile_handles != NULL && java_handles != NULL, "should not be NULL");
67 compile_handles->set_pop_frame_link(java_handles);
68 thread->set_active_handles(compile_handles);
69 }
70 }
71
72 void JNIHandleMark::pop_jni_handle_block() {
73 JavaThread* thread = JavaThread::current();
74 if (thread != NULL) {
75 // Release our JNI handle block
76 JNIHandleBlock* compile_handles = thread->active_handles();
77 JNIHandleBlock* java_handles = compile_handles->pop_frame_link();
78 thread->set_active_handles(java_handles);
79 compile_handles->set_pop_frame_link(NULL);
80 JNIHandleBlock::release_block(compile_handles, thread); // may block
81 }
82 }
83
84 // Entry to native method implementation that transitions current thread to '_thread_in_vm'.
85 #define C2V_VMENTRY(result_type, name, signature) \
86 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
87 TRACE_jvmci_1("CompilerToVM::" #name); \
88 TRACE_CALL(result_type, jvmci_ ## name signature) \
89 JVMCI_VM_ENTRY_MARK; \
90
91 #define C2V_END }
92
93 oop CompilerToVM::get_jvmci_method(const methodHandle& method, TRAPS) {
94 if (method() != NULL) {
95 JavaValue result(T_OBJECT);
96 JavaCallArguments args;
97 args.push_long((jlong) (address) method());
98 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedJavaMethodImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::method_fromMetaspace_signature(), &args, CHECK_NULL);
99
100 return (oop)result.get_jobject();
101 }
102 return NULL;
103 }
104
105 oop CompilerToVM::get_jvmci_type(Klass* klass, TRAPS) {
106 if (klass != NULL) {
107 JavaValue result(T_OBJECT);
108 JavaCallArguments args;
109 args.push_oop(Handle(THREAD, klass->java_mirror()));
110 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedObjectTypeImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::klass_fromMetaspace_signature(), &args, CHECK_NULL);
111
112 return (oop)result.get_jobject();
113 }
114 return NULL;
115 }
116
117
118 int CompilerToVM::Data::Klass_vtable_start_offset;
119 int CompilerToVM::Data::Klass_vtable_length_offset;
120
121 int CompilerToVM::Data::Method_extra_stack_entries;
122
123 address CompilerToVM::Data::SharedRuntime_ic_miss_stub;
124 address CompilerToVM::Data::SharedRuntime_handle_wrong_method_stub;
125 address CompilerToVM::Data::SharedRuntime_deopt_blob_unpack;
126 address CompilerToVM::Data::SharedRuntime_deopt_blob_uncommon_trap;
127
128 size_t CompilerToVM::Data::ThreadLocalAllocBuffer_alignment_reserve;
129
130 CollectedHeap* CompilerToVM::Data::Universe_collectedHeap;
131 int CompilerToVM::Data::Universe_base_vtable_size;
132 address CompilerToVM::Data::Universe_narrow_oop_base;
133 int CompilerToVM::Data::Universe_narrow_oop_shift;
134 address CompilerToVM::Data::Universe_narrow_klass_base;
135 int CompilerToVM::Data::Universe_narrow_klass_shift;
136 void* CompilerToVM::Data::Universe_non_oop_bits;
137 uintptr_t CompilerToVM::Data::Universe_verify_oop_mask;
138 uintptr_t CompilerToVM::Data::Universe_verify_oop_bits;
139
140 bool CompilerToVM::Data::_supports_inline_contig_alloc;
141 HeapWord** CompilerToVM::Data::_heap_end_addr;
142 HeapWord* volatile* CompilerToVM::Data::_heap_top_addr;
143 int CompilerToVM::Data::_max_oop_map_stack_offset;
144
145 jbyte* CompilerToVM::Data::cardtable_start_address;
146 int CompilerToVM::Data::cardtable_shift;
147
148 int CompilerToVM::Data::vm_page_size;
149
150 int CompilerToVM::Data::sizeof_vtableEntry = sizeof(vtableEntry);
151 int CompilerToVM::Data::sizeof_ExceptionTableElement = sizeof(ExceptionTableElement);
152 int CompilerToVM::Data::sizeof_LocalVariableTableElement = sizeof(LocalVariableTableElement);
153 int CompilerToVM::Data::sizeof_ConstantPool = sizeof(ConstantPool);
154 int CompilerToVM::Data::sizeof_SymbolPointer = sizeof(Symbol*);
155 int CompilerToVM::Data::sizeof_narrowKlass = sizeof(narrowKlass);
156 int CompilerToVM::Data::sizeof_arrayOopDesc = sizeof(arrayOopDesc);
157 int CompilerToVM::Data::sizeof_BasicLock = sizeof(BasicLock);
158
159 address CompilerToVM::Data::dsin;
160 address CompilerToVM::Data::dcos;
161 address CompilerToVM::Data::dtan;
162 address CompilerToVM::Data::dexp;
163 address CompilerToVM::Data::dlog;
164 address CompilerToVM::Data::dlog10;
165 address CompilerToVM::Data::dpow;
166
167 address CompilerToVM::Data::symbol_init;
168 address CompilerToVM::Data::symbol_clinit;
169
170 void CompilerToVM::Data::initialize(TRAPS) {
171 Klass_vtable_start_offset = in_bytes(Klass::vtable_start_offset());
172 Klass_vtable_length_offset = in_bytes(Klass::vtable_length_offset());
173
174 Method_extra_stack_entries = Method::extra_stack_entries();
175
176 SharedRuntime_ic_miss_stub = SharedRuntime::get_ic_miss_stub();
177 SharedRuntime_handle_wrong_method_stub = SharedRuntime::get_handle_wrong_method_stub();
178 SharedRuntime_deopt_blob_unpack = SharedRuntime::deopt_blob()->unpack();
179 SharedRuntime_deopt_blob_uncommon_trap = SharedRuntime::deopt_blob()->uncommon_trap();
180
181 ThreadLocalAllocBuffer_alignment_reserve = ThreadLocalAllocBuffer::alignment_reserve();
182
183 Universe_collectedHeap = Universe::heap();
184 Universe_base_vtable_size = Universe::base_vtable_size();
185 Universe_narrow_oop_base = Universe::narrow_oop_base();
186 Universe_narrow_oop_shift = Universe::narrow_oop_shift();
187 Universe_narrow_klass_base = Universe::narrow_klass_base();
188 Universe_narrow_klass_shift = Universe::narrow_klass_shift();
189 Universe_non_oop_bits = Universe::non_oop_word();
190 Universe_verify_oop_mask = Universe::verify_oop_mask();
191 Universe_verify_oop_bits = Universe::verify_oop_bits();
192
193 _supports_inline_contig_alloc = Universe::heap()->supports_inline_contig_alloc();
194 _heap_end_addr = _supports_inline_contig_alloc ? Universe::heap()->end_addr() : (HeapWord**) -1;
195 _heap_top_addr = _supports_inline_contig_alloc ? Universe::heap()->top_addr() : (HeapWord* volatile*) -1;
196
197 _max_oop_map_stack_offset = (OopMapValue::register_mask - VMRegImpl::stack2reg(0)->value()) * VMRegImpl::stack_slot_size;
198 int max_oop_map_stack_index = _max_oop_map_stack_offset / VMRegImpl::stack_slot_size;
199 assert(OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index)), "should be valid");
200 assert(!OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index + 1)), "should be invalid");
201
202 symbol_init = (address) vmSymbols::object_initializer_name();
203 symbol_clinit = (address) vmSymbols::class_initializer_name();
204
205 BarrierSet* bs = Universe::heap()->barrier_set();
206 if (bs->is_a(BarrierSet::CardTableModRef)) {
207 jbyte* base = barrier_set_cast<CardTableModRefBS>(bs)->byte_map_base;
208 assert(base != 0, "unexpected byte_map_base");
209 cardtable_start_address = base;
210 cardtable_shift = CardTableModRefBS::card_shift;
211 } else {
212 // No card mark barriers
213 cardtable_start_address = 0;
214 cardtable_shift = 0;
215 }
216
217 vm_page_size = os::vm_page_size();
218
219 #define SET_TRIGFUNC(name) \
220 if (StubRoutines::name() != NULL) { \
221 name = StubRoutines::name(); \
222 } else { \
223 name = CAST_FROM_FN_PTR(address, SharedRuntime::name); \
224 }
225
226 SET_TRIGFUNC(dsin);
227 SET_TRIGFUNC(dcos);
228 SET_TRIGFUNC(dtan);
229 SET_TRIGFUNC(dexp);
230 SET_TRIGFUNC(dlog10);
231 SET_TRIGFUNC(dlog);
232 SET_TRIGFUNC(dpow);
233
234 #undef SET_TRIGFUNC
235 }
236
237 objArrayHandle CompilerToVM::initialize_intrinsics(TRAPS) {
238 objArrayHandle vmIntrinsics = oopFactory::new_objArray_handle(VMIntrinsicMethod::klass(), (vmIntrinsics::ID_LIMIT - 1), CHECK_(objArrayHandle()));
239 int index = 0;
240 // The intrinsics for a class are usually adjacent to each other.
241 // When they are, the string for the class name can be reused.
242 vmSymbols::SID kls_sid = vmSymbols::NO_SID;
243 Handle kls_str;
244 #define SID_ENUM(n) vmSymbols::VM_SYMBOL_ENUM_NAME(n)
245 #define VM_SYMBOL_TO_STRING(s) \
246 java_lang_String::create_from_symbol(vmSymbols::symbol_at(SID_ENUM(s)), CHECK_(objArrayHandle()))
247 #define VM_INTRINSIC_INFO(id, kls, name, sig, ignore_fcode) { \
248 instanceHandle vmIntrinsicMethod = InstanceKlass::cast(VMIntrinsicMethod::klass())->allocate_instance_handle(CHECK_(objArrayHandle())); \
249 if (kls_sid != SID_ENUM(kls)) { \
250 kls_str = VM_SYMBOL_TO_STRING(kls); \
251 kls_sid = SID_ENUM(kls); \
252 } \
253 Handle name_str = VM_SYMBOL_TO_STRING(name); \
254 Handle sig_str = VM_SYMBOL_TO_STRING(sig); \
255 VMIntrinsicMethod::set_declaringClass(vmIntrinsicMethod, kls_str()); \
256 VMIntrinsicMethod::set_name(vmIntrinsicMethod, name_str()); \
257 VMIntrinsicMethod::set_descriptor(vmIntrinsicMethod, sig_str()); \
258 VMIntrinsicMethod::set_id(vmIntrinsicMethod, vmIntrinsics::id); \
259 vmIntrinsics->obj_at_put(index++, vmIntrinsicMethod()); \
260 }
261
262 VM_INTRINSICS_DO(VM_INTRINSIC_INFO, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE)
263 #undef SID_ENUM
264 #undef VM_SYMBOL_TO_STRING
265 #undef VM_INTRINSIC_INFO
266 assert(index == vmIntrinsics::ID_LIMIT - 1, "must be");
267
268 return vmIntrinsics;
269 }
270
271 /**
272 * The set of VM flags known to be used.
273 */
274 #define PREDEFINED_CONFIG_FLAGS(do_bool_flag, do_intx_flag, do_uintx_flag) \
275 do_intx_flag(AllocateInstancePrefetchLines) \
276 do_intx_flag(AllocatePrefetchDistance) \
277 do_intx_flag(AllocatePrefetchInstr) \
278 do_intx_flag(AllocatePrefetchLines) \
279 do_intx_flag(AllocatePrefetchStepSize) \
280 do_intx_flag(AllocatePrefetchStyle) \
281 do_intx_flag(BciProfileWidth) \
282 do_bool_flag(BootstrapJVMCI) \
283 do_bool_flag(CITime) \
284 do_bool_flag(CITimeEach) \
285 do_uintx_flag(CodeCacheSegmentSize) \
286 do_intx_flag(CodeEntryAlignment) \
287 do_bool_flag(CompactFields) \
288 NOT_PRODUCT(do_intx_flag(CompileTheWorldStartAt)) \
289 NOT_PRODUCT(do_intx_flag(CompileTheWorldStopAt)) \
290 do_intx_flag(ContendedPaddingWidth) \
291 do_bool_flag(DontCompileHugeMethods) \
292 do_bool_flag(EnableContended) \
293 do_intx_flag(FieldsAllocationStyle) \
294 do_bool_flag(FoldStableValues) \
295 do_bool_flag(ForceUnreachable) \
296 do_intx_flag(HugeMethodLimit) \
297 do_bool_flag(Inline) \
298 do_intx_flag(JVMCICounterSize) \
299 do_bool_flag(JVMCIPrintProperties) \
300 do_bool_flag(JVMCIUseFastLocking) \
301 do_intx_flag(MethodProfileWidth) \
302 do_intx_flag(ObjectAlignmentInBytes) \
303 do_bool_flag(PrintInlining) \
304 do_bool_flag(ReduceInitialCardMarks) \
305 do_bool_flag(RestrictContended) \
306 do_intx_flag(StackReservedPages) \
307 do_intx_flag(StackShadowPages) \
308 do_bool_flag(TLABStats) \
309 do_uintx_flag(TLABWasteIncrement) \
310 do_intx_flag(TypeProfileWidth) \
311 do_bool_flag(UseAESIntrinsics) \
312 X86_ONLY(do_intx_flag(UseAVX)) \
313 do_bool_flag(UseBiasedLocking) \
314 do_bool_flag(UseCRC32Intrinsics) \
315 do_bool_flag(UseCompressedClassPointers) \
316 do_bool_flag(UseCompressedOops) \
317 do_bool_flag(UseConcMarkSweepGC) \
318 X86_ONLY(do_bool_flag(UseCountLeadingZerosInstruction)) \
319 X86_ONLY(do_bool_flag(UseCountTrailingZerosInstruction)) \
320 do_bool_flag(UseG1GC) \
321 COMPILER2_PRESENT(do_bool_flag(UseMontgomeryMultiplyIntrinsic)) \
322 COMPILER2_PRESENT(do_bool_flag(UseMontgomerySquareIntrinsic)) \
323 COMPILER2_PRESENT(do_bool_flag(UseMulAddIntrinsic)) \
324 COMPILER2_PRESENT(do_bool_flag(UseMultiplyToLenIntrinsic)) \
325 do_bool_flag(UsePopCountInstruction) \
326 do_bool_flag(UseSHA1Intrinsics) \
327 do_bool_flag(UseSHA256Intrinsics) \
328 do_bool_flag(UseSHA512Intrinsics) \
329 do_intx_flag(UseSSE) \
330 COMPILER2_PRESENT(do_bool_flag(UseSquareToLenIntrinsic)) \
331 do_bool_flag(UseStackBanging) \
332 do_bool_flag(UseTLAB) \
333 do_bool_flag(VerifyOops) \
334
335 #define BOXED_BOOLEAN(name, value) oop name = ((jboolean)(value) ? boxedTrue() : boxedFalse())
336 #define BOXED_DOUBLE(name, value) oop name; do { jvalue p; p.d = (jdouble) (value); name = java_lang_boxing_object::create(T_DOUBLE, &p, CHECK_NULL);} while(0)
337 #define BOXED_LONG(name, value) \
338 oop name; \
339 do { \
340 jvalue p; p.j = (jlong) (value); \
341 Handle* e = longs.get(p.j); \
342 if (e == NULL) { \
343 oop o = java_lang_boxing_object::create(T_LONG, &p, CHECK_NULL); \
344 Handle h(THREAD, o); \
345 longs.put(p.j, h); \
346 name = h(); \
347 } else { \
348 name = (*e)(); \
349 } \
350 } while (0)
351
352 #define CSTRING_TO_JSTRING(name, value) \
353 Handle name; \
354 do { \
355 if (value != NULL) { \
356 Handle* e = strings.get(value); \
357 if (e == NULL) { \
358 Handle h = java_lang_String::create_from_str(value, CHECK_NULL); \
359 strings.put(value, h); \
360 name = h; \
361 } else { \
362 name = (*e); \
363 } \
364 } \
365 } while (0)
366
367 C2V_VMENTRY(jobjectArray, readConfiguration, (JNIEnv *env))
368 ResourceMark rm;
369 HandleMark hm;
370
371 // Used to canonicalize Long and String values.
372 ResourceHashtable<jlong, Handle> longs;
373 ResourceHashtable<const char*, Handle, &CompilerToVM::cstring_hash, &CompilerToVM::cstring_equals> strings;
374
375 jvalue prim;
376 prim.z = true; oop boxedTrueOop = java_lang_boxing_object::create(T_BOOLEAN, &prim, CHECK_NULL);
377 Handle boxedTrue(THREAD, boxedTrueOop);
378 prim.z = false; oop boxedFalseOop = java_lang_boxing_object::create(T_BOOLEAN, &prim, CHECK_NULL);
379 Handle boxedFalse(THREAD, boxedFalseOop);
380
381 CompilerToVM::Data::initialize(CHECK_NULL);
382
383 VMField::klass()->initialize(CHECK_NULL);
384 VMFlag::klass()->initialize(CHECK_NULL);
385 VMIntrinsicMethod::klass()->initialize(CHECK_NULL);
386
387 int len = JVMCIVMStructs::localHotSpotVMStructs_count();
388 objArrayHandle vmFields = oopFactory::new_objArray_handle(VMField::klass(), len, CHECK_NULL);
389 for (int i = 0; i < len ; i++) {
390 VMStructEntry vmField = JVMCIVMStructs::localHotSpotVMStructs[i];
391 instanceHandle vmFieldObj = InstanceKlass::cast(VMField::klass())->allocate_instance_handle(CHECK_NULL);
392 size_t name_buf_len = strlen(vmField.typeName) + strlen(vmField.fieldName) + 2 /* "::" */;
393 char* name_buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, name_buf_len + 1);
394 sprintf(name_buf, "%s::%s", vmField.typeName, vmField.fieldName);
395 CSTRING_TO_JSTRING(name, name_buf);
396 CSTRING_TO_JSTRING(type, vmField.typeString);
397 VMField::set_name(vmFieldObj, name());
398 VMField::set_type(vmFieldObj, type());
399 VMField::set_offset(vmFieldObj, vmField.offset);
400 VMField::set_address(vmFieldObj, (jlong) vmField.address);
401 if (vmField.isStatic && vmField.typeString != NULL) {
402 if (strcmp(vmField.typeString, "bool") == 0) {
403 BOXED_BOOLEAN(box, *(jbyte*) vmField.address);
404 VMField::set_value(vmFieldObj, box);
405 } else if (strcmp(vmField.typeString, "int") == 0 ||
406 strcmp(vmField.typeString, "jint") == 0) {
407 BOXED_LONG(box, *(jint*) vmField.address);
408 VMField::set_value(vmFieldObj, box);
409 } else if (strcmp(vmField.typeString, "uint64_t") == 0) {
410 BOXED_LONG(box, *(uint64_t*) vmField.address);
411 VMField::set_value(vmFieldObj, box);
412 } else if (strcmp(vmField.typeString, "address") == 0 ||
413 strcmp(vmField.typeString, "intptr_t") == 0 ||
414 strcmp(vmField.typeString, "uintptr_t") == 0 ||
415 strcmp(vmField.typeString, "size_t") == 0 ||
416 // All foo* types are addresses.
417 vmField.typeString[strlen(vmField.typeString) - 1] == '*') {
418 BOXED_LONG(box, *((address*) vmField.address));
419 VMField::set_value(vmFieldObj, box);
420 } else {
421 JVMCI_ERROR_NULL("VM field %s has unsupported type %s", name_buf, vmField.typeString);
422 }
423 }
424 vmFields->obj_at_put(i, vmFieldObj());
425 }
426
427 int ints_len = JVMCIVMStructs::localHotSpotVMIntConstants_count();
428 int longs_len = JVMCIVMStructs::localHotSpotVMLongConstants_count();
429 len = ints_len + longs_len;
430 objArrayHandle vmConstants = oopFactory::new_objArray_handle(SystemDictionary::Object_klass(), len * 2, CHECK_NULL);
431 int insert = 0;
432 for (int i = 0; i < ints_len ; i++) {
433 VMIntConstantEntry c = JVMCIVMStructs::localHotSpotVMIntConstants[i];
434 CSTRING_TO_JSTRING(name, c.name);
435 BOXED_LONG(value, c.value);
436 vmConstants->obj_at_put(insert++, name());
437 vmConstants->obj_at_put(insert++, value);
438 }
439 for (int i = 0; i < longs_len ; i++) {
440 VMLongConstantEntry c = JVMCIVMStructs::localHotSpotVMLongConstants[i];
441 CSTRING_TO_JSTRING(name, c.name);
442 BOXED_LONG(value, c.value);
443 vmConstants->obj_at_put(insert++, name());
444 vmConstants->obj_at_put(insert++, value);
445 }
446 assert(insert == len * 2, "must be");
447
448 len = JVMCIVMStructs::localHotSpotVMAddresses_count();
449 objArrayHandle vmAddresses = oopFactory::new_objArray_handle(SystemDictionary::Object_klass(), len * 2, CHECK_NULL);
450 for (int i = 0; i < len ; i++) {
451 VMAddressEntry a = JVMCIVMStructs::localHotSpotVMAddresses[i];
452 CSTRING_TO_JSTRING(name, a.name);
453 BOXED_LONG(value, a.value);
454 vmAddresses->obj_at_put(i * 2, name());
455 vmAddresses->obj_at_put(i * 2 + 1, value);
456 }
457
458 #define COUNT_FLAG(ignore) +1
459 #ifdef ASSERT
460 #define CHECK_FLAG(type, name) { \
461 Flag* flag = Flag::find_flag(#name, strlen(#name), /*allow_locked*/ true, /* return_flag */ true); \
462 assert(flag != NULL, "No such flag named " #name); \
463 assert(flag->is_##type(), "Flag " #name " is not of type " #type); \
464 }
465 #else
466 #define CHECK_FLAG(type, name)
467 #endif
468
469 #define ADD_FLAG(type, name, convert) { \
470 CHECK_FLAG(type, name) \
471 instanceHandle vmFlagObj = InstanceKlass::cast(VMFlag::klass())->allocate_instance_handle(CHECK_NULL); \
472 CSTRING_TO_JSTRING(fname, #name); \
473 CSTRING_TO_JSTRING(ftype, #type); \
474 VMFlag::set_name(vmFlagObj, fname()); \
475 VMFlag::set_type(vmFlagObj, ftype()); \
476 convert(value, name); \
477 VMFlag::set_value(vmFlagObj, value); \
478 vmFlags->obj_at_put(i++, vmFlagObj()); \
479 }
480 #define ADD_BOOL_FLAG(name) ADD_FLAG(bool, name, BOXED_BOOLEAN)
481 #define ADD_INTX_FLAG(name) ADD_FLAG(intx, name, BOXED_LONG)
482 #define ADD_UINTX_FLAG(name) ADD_FLAG(uintx, name, BOXED_LONG)
483
484 len = 0 + PREDEFINED_CONFIG_FLAGS(COUNT_FLAG, COUNT_FLAG, COUNT_FLAG);
485 objArrayHandle vmFlags = oopFactory::new_objArray_handle(VMFlag::klass(), len, CHECK_NULL);
486 int i = 0;
487 PREDEFINED_CONFIG_FLAGS(ADD_BOOL_FLAG, ADD_INTX_FLAG, ADD_UINTX_FLAG)
488
489 objArrayHandle vmIntrinsics = CompilerToVM::initialize_intrinsics(CHECK_NULL);
490
491 objArrayOop data = oopFactory::new_objArray(SystemDictionary::Object_klass(), 5, CHECK_NULL);
492 data->obj_at_put(0, vmFields());
493 data->obj_at_put(1, vmConstants());
494 data->obj_at_put(2, vmAddresses());
495 data->obj_at_put(3, vmFlags());
496 data->obj_at_put(4, vmIntrinsics());
497
498 return (jobjectArray) JNIHandles::make_local(THREAD, data);
499 #undef COUNT_FLAG
500 #undef ADD_FLAG
501 #undef ADD_BOOL_FLAG
502 #undef ADD_INTX_FLAG
503 #undef ADD_UINTX_FLAG
504 #undef CHECK_FLAG
505 C2V_END
506
507 C2V_VMENTRY(jobject, getFlagValue, (JNIEnv *, jobject c2vm, jobject name_handle))
508 #define RETURN_BOXED_LONG(value) oop box; jvalue p; p.j = (jlong) (value); box = java_lang_boxing_object::create(T_LONG, &p, CHECK_NULL); return JNIHandles::make_local(THREAD, box);
509 #define RETURN_BOXED_DOUBLE(value) oop box; jvalue p; p.d = (jdouble) (value); box = java_lang_boxing_object::create(T_DOUBLE, &p, CHECK_NULL); return JNIHandles::make_local(THREAD, box);
510 Handle name(THREAD, JNIHandles::resolve(name_handle));
511 if (name.is_null()) {
512 THROW_0(vmSymbols::java_lang_NullPointerException());
513 }
514 ResourceMark rm;
515 const char* cstring = java_lang_String::as_utf8_string(name());
516 Flag* flag = Flag::find_flag(cstring, strlen(cstring), /* allow_locked */ true, /* return_flag */ true);
517 if (flag == NULL) {
518 return c2vm;
519 }
520 if (flag->is_bool()) {
521 jvalue prim;
522 prim.z = flag->get_bool();
523 oop box = java_lang_boxing_object::create(T_BOOLEAN, &prim, CHECK_NULL);
524 return JNIHandles::make_local(THREAD, box);
525 } else if (flag->is_ccstr()) {
526 Handle value = java_lang_String::create_from_str(flag->get_ccstr(), CHECK_NULL);
527 return JNIHandles::make_local(THREAD, value());
528 } else if (flag->is_intx()) {
529 RETURN_BOXED_LONG(flag->get_intx());
530 } else if (flag->is_int()) {
531 RETURN_BOXED_LONG(flag->get_int());
532 } else if (flag->is_uint()) {
533 RETURN_BOXED_LONG(flag->get_uint());
534 } else if (flag->is_uint64_t()) {
535 RETURN_BOXED_LONG(flag->get_uint64_t());
536 } else if (flag->is_size_t()) {
537 RETURN_BOXED_LONG(flag->get_size_t());
538 } else if (flag->is_uintx()) {
539 RETURN_BOXED_LONG(flag->get_uintx());
540 } else if (flag->is_double()) {
541 RETURN_BOXED_DOUBLE(flag->get_double());
542 } else {
543 JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type);
544 }
545 C2V_END
546
547 #undef BOXED_LONG
548 #undef BOXED_DOUBLE
549 #undef CSTRING_TO_JSTRING
550
551 C2V_VMENTRY(jbyteArray, getBytecode, (JNIEnv *, jobject, jobject jvmci_method))
552 methodHandle method = CompilerToVM::asMethod(jvmci_method);
553 ResourceMark rm;
554
555 int code_size = method->code_size();
556 typeArrayOop reconstituted_code = oopFactory::new_byteArray(code_size, CHECK_NULL);
557
558 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten");
559 // iterate over all bytecodes and replace non-Java bytecodes
560
561 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) {
562 Bytecodes::Code code = s.code();
563 Bytecodes::Code raw_code = s.raw_code();
564 int bci = s.bci();
565 int len = s.instruction_size();
566
567 // Restore original byte code.
568 reconstituted_code->byte_at_put(bci, (jbyte) (s.is_wide()? Bytecodes::_wide : code));
569 if (len > 1) {
570 memcpy(reconstituted_code->byte_at_addr(bci + 1), s.bcp()+1, len-1);
571 }
572
573 if (len > 1) {
574 // Restore the big-endian constant pool indexes.
575 // Cf. Rewriter::scan_method
576 switch (code) {
577 case Bytecodes::_getstatic:
578 case Bytecodes::_putstatic:
579 case Bytecodes::_getfield:
580 case Bytecodes::_putfield:
581 case Bytecodes::_invokevirtual:
582 case Bytecodes::_invokespecial:
583 case Bytecodes::_invokestatic:
584 case Bytecodes::_invokeinterface:
585 case Bytecodes::_invokehandle: {
586 int cp_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
587 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
588 break;
589 }
590
591 case Bytecodes::_invokedynamic: {
592 int cp_index = Bytes::get_native_u4((address) reconstituted_code->byte_at_addr(bci + 1));
593 Bytes::put_Java_u4((address) reconstituted_code->byte_at_addr(bci + 1), (u4) cp_index);
594 break;
595 }
596
597 default:
598 break;
599 }
600
601 // Not all ldc byte code are rewritten.
602 switch (raw_code) {
603 case Bytecodes::_fast_aldc: {
604 int cpc_index = reconstituted_code->byte_at(bci + 1) & 0xff;
605 int cp_index = method->constants()->object_to_cp_index(cpc_index);
606 assert(cp_index < method->constants()->length(), "sanity check");
607 reconstituted_code->byte_at_put(bci + 1, (jbyte) cp_index);
608 break;
609 }
610
611 case Bytecodes::_fast_aldc_w: {
612 int cpc_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
613 int cp_index = method->constants()->object_to_cp_index(cpc_index);
614 assert(cp_index < method->constants()->length(), "sanity check");
615 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
616 break;
617 }
618
619 default:
620 break;
621 }
622 }
623 }
624
625 return (jbyteArray) JNIHandles::make_local(THREAD, reconstituted_code);
626 C2V_END
627
628 C2V_VMENTRY(jint, getExceptionTableLength, (JNIEnv *, jobject, jobject jvmci_method))
629 ResourceMark rm;
630 methodHandle method = CompilerToVM::asMethod(jvmci_method);
631 return method->exception_table_length();
632 C2V_END
633
634 C2V_VMENTRY(jlong, getExceptionTableStart, (JNIEnv *, jobject, jobject jvmci_method))
635 ResourceMark rm;
636 methodHandle method = CompilerToVM::asMethod(jvmci_method);
637 if (method->exception_table_length() == 0) {
638 return 0L;
639 }
640 return (jlong) (address) method->exception_table_start();
641 C2V_END
642
643 C2V_VMENTRY(jobject, asResolvedJavaMethod, (JNIEnv *, jobject, jobject executable_handle))
644 oop executable = JNIHandles::resolve(executable_handle);
645 oop mirror = NULL;
646 int slot = 0;
647
648 if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) {
649 mirror = java_lang_reflect_Constructor::clazz(executable);
650 slot = java_lang_reflect_Constructor::slot(executable);
651 } else {
652 assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type");
653 mirror = java_lang_reflect_Method::clazz(executable);
654 slot = java_lang_reflect_Method::slot(executable);
655 }
656 Klass* holder = java_lang_Class::as_Klass(mirror);
657 methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot);
658 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
659 return JNIHandles::make_local(THREAD, result);
660 }
661
662 C2V_VMENTRY(jobject, getResolvedJavaMethod, (JNIEnv *, jobject, jobject base, jlong offset))
663 methodHandle method;
664 oop base_object = JNIHandles::resolve(base);
665 if (base_object == NULL) {
666 method = *((Method**)(offset));
667 } else if (base_object->is_a(SystemDictionary::ResolvedMethodName_klass())) {
668 method = (Method*) (intptr_t) base_object->long_field(offset);
669 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
670 method = *((Method**)(HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object) + offset));
671 } else {
672 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
673 err_msg("Unexpected type: %s", base_object->klass()->external_name()));
674 }
675 assert (method.is_null() || method->is_method(), "invalid read");
676 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
677 return JNIHandles::make_local(THREAD, result);
678 }
679
680 C2V_VMENTRY(jobject, getConstantPool, (JNIEnv *, jobject, jobject object_handle))
681 constantPoolHandle cp;
682 oop object = JNIHandles::resolve(object_handle);
683 if (object == NULL) {
684 THROW_0(vmSymbols::java_lang_NullPointerException());
685 }
686 if (object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
687 cp = CompilerToVM::asMethod(object)->constMethod()->constants();
688 } else if (object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
689 cp = InstanceKlass::cast(CompilerToVM::asKlass(object))->constants();
690 } else {
691 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
692 err_msg("Unexpected type: %s", object->klass()->external_name()));
693 }
694 assert(!cp.is_null(), "npe");
695 JavaValue method_result(T_OBJECT);
696 JavaCallArguments args;
697 args.push_long((jlong) (address) cp());
698 JavaCalls::call_static(&method_result, SystemDictionary::HotSpotConstantPool_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::constantPool_fromMetaspace_signature(), &args, CHECK_NULL);
699 return JNIHandles::make_local(THREAD, (oop)method_result.get_jobject());
700 }
701
702 C2V_VMENTRY(jobject, getResolvedJavaType, (JNIEnv *, jobject, jobject base, jlong offset, jboolean compressed))
703 Klass* klass = NULL;
704 oop base_object = JNIHandles::resolve(base);
705 jlong base_address = 0;
706 if (base_object != NULL && offset == oopDesc::klass_offset_in_bytes()) {
707 klass = base_object->klass();
708 } else if (!compressed) {
709 if (base_object != NULL) {
710 if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
711 base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object);
712 } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) {
713 base_address = HotSpotConstantPool::metaspaceConstantPool(base_object);
714 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
715 base_address = (jlong) CompilerToVM::asKlass(base_object);
716 } else if (base_object->is_a(SystemDictionary::Class_klass())) {
717 base_address = (jlong) (address) base_object;
718 } else {
719 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
720 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
721 }
722 }
723 klass = *((Klass**) (intptr_t) (base_address + offset));
724 } else {
725 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
726 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
727 }
728 assert (klass == NULL || klass->is_klass(), "invalid read");
729 oop result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
730 return JNIHandles::make_local(THREAD, result);
731 }
732
733 C2V_VMENTRY(jobject, findUniqueConcreteMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
734 ResourceMark rm;
735 methodHandle method = CompilerToVM::asMethod(jvmci_method);
736 Klass* holder = CompilerToVM::asKlass(jvmci_type);
737 if (holder->is_interface()) {
738 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", holder->external_name()));
739 }
740
741 methodHandle ucm;
742 {
743 MutexLocker locker(Compile_lock);
744 ucm = Dependencies::find_unique_concrete_method(holder, method());
745 }
746 oop result = CompilerToVM::get_jvmci_method(ucm, CHECK_NULL);
747 return JNIHandles::make_local(THREAD, result);
748 C2V_END
749
750 C2V_VMENTRY(jobject, getImplementor, (JNIEnv *, jobject, jobject jvmci_type))
751 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type);
752 oop implementor = CompilerToVM::get_jvmci_type(klass->implementor(), CHECK_NULL);
753 return JNIHandles::make_local(THREAD, implementor);
754 C2V_END
755
756 C2V_VMENTRY(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv *, jobject, jobject jvmci_method))
757 methodHandle method = CompilerToVM::asMethod(jvmci_method);
758 return method->is_ignored_by_security_stack_walk();
759 C2V_END
760
761 C2V_VMENTRY(jboolean, isCompilable,(JNIEnv *, jobject, jobject jvmci_method))
762 methodHandle method = CompilerToVM::asMethod(jvmci_method);
763 return !method->is_not_compilable(CompLevel_full_optimization);
764 C2V_END
765
766 C2V_VMENTRY(jboolean, hasNeverInlineDirective,(JNIEnv *, jobject, jobject jvmci_method))
767 methodHandle method = CompilerToVM::asMethod(jvmci_method);
768 return !Inline || CompilerOracle::should_not_inline(method) || method->dont_inline();
769 C2V_END
770
771 C2V_VMENTRY(jboolean, shouldInlineMethod,(JNIEnv *, jobject, jobject jvmci_method))
772 methodHandle method = CompilerToVM::asMethod(jvmci_method);
773 return CompilerOracle::should_inline(method) || method->force_inline();
774 C2V_END
775
776 C2V_VMENTRY(jobject, lookupType, (JNIEnv*, jobject, jstring jname, jclass accessing_class, jboolean resolve))
777 ResourceMark rm;
778 Handle name(THREAD, JNIHandles::resolve(jname));
779 Symbol* class_name = java_lang_String::as_symbol(name(), CHECK_0);
780 if (java_lang_String::length(name()) <= 1) {
781 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string()));
782 }
783
784 Klass* resolved_klass = NULL;
785 if (JNIHandles::resolve(accessing_class) == NULL) {
786 THROW_0(vmSymbols::java_lang_NullPointerException());
787 }
788 Klass* accessing_klass = java_lang_Class::as_Klass(JNIHandles::resolve(accessing_class));
789 Handle class_loader(THREAD, accessing_klass->class_loader());
790 Handle protection_domain(THREAD, accessing_klass->protection_domain());
791
792 if (resolve) {
793 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0);
794 } else {
795 if (class_name->byte_at(0) == 'L' &&
796 class_name->byte_at(class_name->utf8_length()-1) == ';') {
797 // This is a name from a signature. Strip off the trimmings.
798 // Call recursive to keep scope of strippedsym.
799 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1,
800 class_name->utf8_length()-2,
801 CHECK_0);
802 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0);
803 } else if (FieldType::is_array(class_name)) {
804 FieldArrayInfo fd;
805 // dimension and object_key in FieldArrayInfo are assigned as a side-effect
806 // of this call
807 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0);
808 if (t == T_OBJECT) {
809 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(),
810 class_name->utf8_length()-2-fd.dimension(),
811 CHECK_0);
812 // naked oop "k" is OK here -- we assign back into it
813 resolved_klass = SystemDictionary::find(strippedsym,
814 class_loader,
815 protection_domain,
816 CHECK_0);
817 if (resolved_klass != NULL) {
818 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0);
819 }
820 } else {
821 resolved_klass = Universe::typeArrayKlassObj(t);
822 resolved_klass = TypeArrayKlass::cast(resolved_klass)->array_klass(fd.dimension(), CHECK_0);
823 }
824 }
825 }
826 oop result = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
827 return JNIHandles::make_local(THREAD, result);
828 C2V_END
829
830 C2V_VMENTRY(jobject, resolveConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
831 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
832 oop result = cp->resolve_constant_at(index, CHECK_NULL);
833 return JNIHandles::make_local(THREAD, result);
834 C2V_END
835
836 C2V_VMENTRY(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
837 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
838 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL);
839 return JNIHandles::make_local(THREAD, result);
840 C2V_END
841
842 C2V_VMENTRY(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
843 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
844 return cp->name_and_type_ref_index_at(index);
845 C2V_END
846
847 C2V_VMENTRY(jobject, lookupNameInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
848 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
849 Handle sym = java_lang_String::create_from_symbol(cp->name_ref_at(which), CHECK_NULL);
850 return JNIHandles::make_local(THREAD, sym());
851 C2V_END
852
853 C2V_VMENTRY(jobject, lookupSignatureInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
854 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
855 Handle sym = java_lang_String::create_from_symbol(cp->signature_ref_at(which), CHECK_NULL);
856 return JNIHandles::make_local(THREAD, sym());
857 C2V_END
858
859 C2V_VMENTRY(jint, lookupKlassRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
860 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
861 return cp->klass_ref_index_at(index);
862 C2V_END
863
864 C2V_VMENTRY(jobject, resolveTypeInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
865 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
866 Klass* resolved_klass = cp->klass_at(index, CHECK_NULL);
867 oop klass = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
868 return JNIHandles::make_local(THREAD, klass);
869 C2V_END
870
871 C2V_VMENTRY(jobject, lookupKlassInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
872 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
873 Klass* loading_klass = cp->pool_holder();
874 bool is_accessible = false;
875 Klass* klass = JVMCIEnv::get_klass_by_index(cp, index, is_accessible, loading_klass);
876 Symbol* symbol = NULL;
877 if (klass == NULL) {
878 symbol = cp->klass_name_at(index);
879 }
880 oop result_oop;
881 if (klass != NULL) {
882 result_oop = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
883 } else {
884 Handle result = java_lang_String::create_from_symbol(symbol, CHECK_NULL);
885 result_oop = result();
886 }
887 return JNIHandles::make_local(THREAD, result_oop);
888 C2V_END
889
890 C2V_VMENTRY(jobject, lookupAppendixInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
891 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
892 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index);
893 return JNIHandles::make_local(THREAD, appendix_oop);
894 C2V_END
895
896 C2V_VMENTRY(jobject, lookupMethodInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
897 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
898 InstanceKlass* pool_holder = cp->pool_holder();
899 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
900 methodHandle method = JVMCIEnv::get_method_by_index(cp, index, bc, pool_holder);
901 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
902 return JNIHandles::make_local(THREAD, result);
903 C2V_END
904
905 C2V_VMENTRY(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
906 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
907 return cp->remap_instruction_operand_from_cache(index);
908 C2V_END
909
910 C2V_VMENTRY(jobject, resolveFieldInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jintArray info_handle))
911 ResourceMark rm;
912 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
913 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF);
914 fieldDescriptor fd;
915 LinkInfo link_info(cp, index, (jvmci_method != NULL) ? CompilerToVM::asMethod(jvmci_method) : NULL, CHECK_0);
916 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0);
917 typeArrayOop info = (typeArrayOop) JNIHandles::resolve(info_handle);
918 if (info == NULL || info->length() != 3) {
919 JVMCI_ERROR_NULL("info must not be null and have a length of 3");
920 }
921 info->int_at_put(0, fd.access_flags().as_int());
922 info->int_at_put(1, fd.offset());
923 info->int_at_put(2, fd.index());
924 oop field_holder = CompilerToVM::get_jvmci_type(fd.field_holder(), CHECK_NULL);
925 return JNIHandles::make_local(THREAD, field_holder);
926 C2V_END
927
928 C2V_VMENTRY(jint, getVtableIndexForInterfaceMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
929 ResourceMark rm;
930 Klass* klass = CompilerToVM::asKlass(jvmci_type);
931 Method* method = CompilerToVM::asMethod(jvmci_method);
932 if (klass->is_interface()) {
933 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", klass->external_name()));
934 }
935 if (!method->method_holder()->is_interface()) {
936 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()));
937 }
938 if (!InstanceKlass::cast(klass)->is_linked()) {
939 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Class %s must be linked", klass->external_name()));
940 }
941 return LinkResolver::vtable_index_of_interface_method(klass, method);
942 C2V_END
943
944 C2V_VMENTRY(jobject, resolveMethod, (JNIEnv *, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type))
945 Klass* recv_klass = CompilerToVM::asKlass(receiver_jvmci_type);
946 Klass* caller_klass = CompilerToVM::asKlass(caller_jvmci_type);
947 methodHandle method = CompilerToVM::asMethod(jvmci_method);
948
949 Klass* resolved = method->method_holder();
950 Symbol* h_name = method->name();
951 Symbol* h_signature = method->signature();
952
953 if (MethodHandles::is_signature_polymorphic_method(method())) {
954 // Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case.
955 return NULL;
956 }
957
958 LinkInfo link_info(resolved, h_name, h_signature, caller_klass);
959 methodHandle m;
960 // Only do exact lookup if receiver klass has been linked. Otherwise,
961 // the vtable has not been setup, and the LinkResolver will fail.
962 if (recv_klass->is_array_klass() ||
963 (InstanceKlass::cast(recv_klass)->is_linked() && !recv_klass->is_interface())) {
964 if (resolved->is_interface()) {
965 m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info);
966 } else {
967 m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info);
968 }
969 }
970
971 if (m.is_null()) {
972 // Return NULL if there was a problem with lookup (uninitialized class, etc.)
973 return NULL;
974 }
975
976 oop result = CompilerToVM::get_jvmci_method(m, CHECK_NULL);
977 return JNIHandles::make_local(THREAD, result);
978 C2V_END
979
980 C2V_VMENTRY(jboolean, hasFinalizableSubclass,(JNIEnv *, jobject, jobject jvmci_type))
981 Klass* klass = CompilerToVM::asKlass(jvmci_type);
982 assert(klass != NULL, "method must not be called for primitive types");
983 return Dependencies::find_finalizable_subclass(klass) != NULL;
984 C2V_END
985
986 C2V_VMENTRY(jobject, getClassInitializer, (JNIEnv *, jobject, jobject jvmci_type))
987 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type);
988 oop result = CompilerToVM::get_jvmci_method(klass->class_initializer(), CHECK_NULL);
989 return JNIHandles::make_local(THREAD, result);
990 C2V_END
991
992 C2V_VMENTRY(jlong, getMaxCallTargetOffset, (JNIEnv*, jobject, jlong addr))
993 address target_addr = (address) addr;
994 if (target_addr != 0x0) {
995 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int));
996 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int));
997 return MAX2(ABS(off_low), ABS(off_high));
998 }
999 return -1;
1000 C2V_END
1001
1002 C2V_VMENTRY(void, setNotInlineableOrCompileable,(JNIEnv *, jobject, jobject jvmci_method))
1003 methodHandle method = CompilerToVM::asMethod(jvmci_method);
1004 method->set_not_c1_compilable();
1005 method->set_not_c2_compilable();
1006 method->set_dont_inline(true);
1007 C2V_END
1008
1009 C2V_VMENTRY(jint, installCode, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject installed_code, jobject speculation_log))
1010 ResourceMark rm;
1011 HandleMark hm;
1012 JNIHandleMark jni_hm;
1013
1014 Handle target_handle(THREAD, JNIHandles::resolve(target));
1015 Handle compiled_code_handle(THREAD, JNIHandles::resolve(compiled_code));
1016 CodeBlob* cb = NULL;
1017 Handle installed_code_handle(THREAD, JNIHandles::resolve(installed_code));
1018 Handle speculation_log_handle(THREAD, JNIHandles::resolve(speculation_log));
1019
1020 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK_JNI_ERR);
1021
1022 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer());
1023 bool is_immutable_PIC = HotSpotCompiledCode::isImmutablePIC(compiled_code_handle) > 0;
1024 CodeInstaller installer(is_immutable_PIC);
1025 JVMCIEnv::CodeInstallResult result = installer.install(compiler, target_handle, compiled_code_handle, cb, installed_code_handle, speculation_log_handle, CHECK_0);
1026
1027 if (PrintCodeCacheOnCompilation) {
1028 stringStream s;
1029 // Dump code cache into a buffer before locking the tty,
1030 {
1031 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
1032 CodeCache::print_summary(&s, false);
1033 }
1034 ttyLocker ttyl;
1035 tty->print_raw_cr(s.as_string());
1036 }
1037
1038 if (result != JVMCIEnv::ok) {
1039 assert(cb == NULL, "should be");
1040 } else {
1041 if (!installed_code_handle.is_null()) {
1042 assert(installed_code_handle->is_a(InstalledCode::klass()), "wrong type");
1043 nmethod::invalidate_installed_code(installed_code_handle, CHECK_0);
1044 {
1045 // Ensure that all updates to the InstalledCode fields are consistent.
1046 MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag);
1047 InstalledCode::set_address(installed_code_handle, (jlong) cb);
1048 InstalledCode::set_version(installed_code_handle, InstalledCode::version(installed_code_handle) + 1);
1049 if (cb->is_nmethod()) {
1050 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->as_nmethod_or_null()->verified_entry_point());
1051 } else {
1052 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->code_begin());
1053 }
1054 if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) {
1055 HotSpotInstalledCode::set_size(installed_code_handle, cb->size());
1056 HotSpotInstalledCode::set_codeStart(installed_code_handle, (jlong) cb->code_begin());
1057 HotSpotInstalledCode::set_codeSize(installed_code_handle, cb->code_size());
1058 }
1059 }
1060 nmethod* nm = cb->as_nmethod_or_null();
1061 if (nm != NULL && installed_code_handle->is_scavengable()) {
1062 assert(nm->detect_scavenge_root_oops(), "nm should be scavengable if installed_code is scavengable");
1063 if (!UseG1GC) {
1064 assert(nm->on_scavenge_root_list(), "nm should be on scavengable list");
1065 }
1066 }
1067 }
1068 }
1069 return result;
1070 C2V_END
1071
1072 C2V_VMENTRY(jint, getMetadata, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject metadata))
1073 ResourceMark rm;
1074 HandleMark hm;
1075
1076 Handle target_handle(THREAD, JNIHandles::resolve(target));
1077 Handle compiled_code_handle(THREAD, JNIHandles::resolve(compiled_code));
1078 Handle metadata_handle(THREAD, JNIHandles::resolve(metadata));
1079
1080 CodeMetadata code_metadata;
1081 CodeBlob *cb = NULL;
1082 CodeInstaller installer(true /* immutable PIC compilation */);
1083
1084 JVMCIEnv::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, CHECK_0);
1085 if (result != JVMCIEnv::ok) {
1086 return result;
1087 }
1088
1089 if (code_metadata.get_nr_pc_desc() > 0) {
1090 typeArrayHandle pcArrayOop = oopFactory::new_byteArray_handle(sizeof(PcDesc) * code_metadata.get_nr_pc_desc(), CHECK_(JVMCIEnv::cache_full));
1091 memcpy(pcArrayOop->byte_at_addr(0), code_metadata.get_pc_desc(), sizeof(PcDesc) * code_metadata.get_nr_pc_desc());
1092 HotSpotMetaData::set_pcDescBytes(metadata_handle, pcArrayOop());
1093 }
1094
1095 if (code_metadata.get_scopes_size() > 0) {
1096 typeArrayHandle scopesArrayOop = oopFactory::new_byteArray_handle(code_metadata.get_scopes_size(), CHECK_(JVMCIEnv::cache_full));
1097 memcpy(scopesArrayOop->byte_at_addr(0), code_metadata.get_scopes_desc(), code_metadata.get_scopes_size());
1098 HotSpotMetaData::set_scopesDescBytes(metadata_handle, scopesArrayOop());
1099 }
1100
1101 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer();
1102 typeArrayHandle relocArrayOop = oopFactory::new_byteArray_handle((int) reloc_buffer->size(), CHECK_(JVMCIEnv::cache_full));
1103 if (reloc_buffer->size() > 0) {
1104 memcpy(relocArrayOop->byte_at_addr(0), reloc_buffer->begin(), reloc_buffer->size());
1105 }
1106 HotSpotMetaData::set_relocBytes(metadata_handle, relocArrayOop());
1107
1108 const OopMapSet* oopMapSet = installer.oopMapSet();
1109 {
1110 ResourceMark mark;
1111 ImmutableOopMapBuilder builder(oopMapSet);
1112 int oopmap_size = builder.heap_size();
1113 typeArrayHandle oopMapArrayHandle = oopFactory::new_byteArray_handle(oopmap_size, CHECK_(JVMCIEnv::cache_full));
1114 builder.generate_into((address) oopMapArrayHandle->byte_at_addr(0));
1115 HotSpotMetaData::set_oopMaps(metadata_handle, oopMapArrayHandle());
1116 }
1117
1118 AOTOopRecorder* recorder = code_metadata.get_oop_recorder();
1119
1120 int nr_meta_strings = recorder->nr_meta_strings();
1121 objArrayOop metadataArray = oopFactory::new_objectArray(nr_meta_strings, CHECK_(JVMCIEnv::cache_full));
1122 objArrayHandle metadataArrayHandle(THREAD, metadataArray);
1123 for (int i = 0; i < nr_meta_strings; ++i) {
1124 const char* element = recorder->meta_element(i);
1125 Handle java_string = java_lang_String::create_from_str(element, CHECK_(JVMCIEnv::cache_full));
1126 metadataArrayHandle->obj_at_put(i, java_string());
1127 }
1128 HotSpotMetaData::set_metadata(metadata_handle, metadataArrayHandle());
1129
1130 ExceptionHandlerTable* handler = code_metadata.get_exception_table();
1131 int table_size = handler->size_in_bytes();
1132 typeArrayHandle exceptionArrayOop = oopFactory::new_byteArray_handle(table_size, CHECK_(JVMCIEnv::cache_full));
1133
1134 if (table_size > 0) {
1135 handler->copy_bytes_to((address) exceptionArrayOop->byte_at_addr(0));
1136 }
1137 HotSpotMetaData::set_exceptionBytes(metadata_handle, exceptionArrayOop());
1138
1139 return result;
1140 C2V_END
1141
1142 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv *jniEnv, jobject))
1143 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK);
1144 CompilerStatistics* stats = compiler->stats();
1145 stats->_standard.reset();
1146 stats->_osr.reset();
1147 C2V_END
1148
1149 C2V_VMENTRY(jobject, disassembleCodeBlob, (JNIEnv *jniEnv, jobject, jobject installedCode))
1150 ResourceMark rm;
1151 HandleMark hm;
1152
1153 if (installedCode == NULL) {
1154 THROW_MSG_NULL(vmSymbols::java_lang_NullPointerException(), "installedCode is null");
1155 }
1156
1157 jlong codeBlob = InstalledCode::address(installedCode);
1158 if (codeBlob == 0L) {
1159 return NULL;
1160 }
1161
1162 CodeBlob* cb = (CodeBlob*) (address) codeBlob;
1163 if (cb == NULL) {
1164 return NULL;
1165 }
1166
1167 // We don't want the stringStream buffer to resize during disassembly as it
1168 // uses scoped resource memory. If a nested function called during disassembly uses
1169 // a ResourceMark and the buffer expands within the scope of the mark,
1170 // the buffer becomes garbage when that scope is exited. Experience shows that
1171 // the disassembled code is typically about 10x the code size so a fixed buffer
1172 // sized to 20x code size plus a fixed amount for header info should be sufficient.
1173 int bufferSize = cb->code_size() * 20 + 1024;
1174 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize);
1175 stringStream st(buffer, bufferSize);
1176 if (cb->is_nmethod()) {
1177 nmethod* nm = (nmethod*) cb;
1178 if (!nm->is_alive()) {
1179 return NULL;
1180 }
1181 }
1182 Disassembler::decode(cb, &st);
1183 if (st.size() <= 0) {
1184 return NULL;
1185 }
1186
1187 Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL);
1188 return JNIHandles::make_local(THREAD, result());
1189 C2V_END
1190
1191 C2V_VMENTRY(jobject, getStackTraceElement, (JNIEnv*, jobject, jobject jvmci_method, int bci))
1192 ResourceMark rm;
1193 HandleMark hm;
1194
1195 methodHandle method = CompilerToVM::asMethod(jvmci_method);
1196 oop element = java_lang_StackTraceElement::create(method, bci, CHECK_NULL);
1197 return JNIHandles::make_local(THREAD, element);
1198 C2V_END
1199
1200 C2V_VMENTRY(jobject, executeInstalledCode, (JNIEnv*, jobject, jobject args, jobject hotspotInstalledCode))
1201 ResourceMark rm;
1202 HandleMark hm;
1203
1204 jlong nmethodValue = InstalledCode::address(hotspotInstalledCode);
1205 if (nmethodValue == 0L) {
1206 THROW_NULL(vmSymbols::jdk_vm_ci_code_InvalidInstalledCodeException());
1207 }
1208 nmethod* nm = (nmethod*) (address) nmethodValue;
1209 methodHandle mh = nm->method();
1210 Symbol* signature = mh->signature();
1211 JavaCallArguments jca(mh->size_of_parameters());
1212
1213 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
1214 JavaValue result(jap.get_ret_type());
1215 jca.set_alternative_target(nm);
1216 JavaCalls::call(&result, mh, &jca, CHECK_NULL);
1217
1218 if (jap.get_ret_type() == T_VOID) {
1219 return NULL;
1220 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) {
1221 return JNIHandles::make_local(THREAD, (oop) result.get_jobject());
1222 } else {
1223 jvalue *value = (jvalue *) result.get_value_addr();
1224 // Narrow the value down if required (Important on big endian machines)
1225 switch (jap.get_ret_type()) {
1226 case T_BOOLEAN:
1227 value->z = (jboolean) value->i;
1228 break;
1229 case T_BYTE:
1230 value->b = (jbyte) value->i;
1231 break;
1232 case T_CHAR:
1233 value->c = (jchar) value->i;
1234 break;
1235 case T_SHORT:
1236 value->s = (jshort) value->i;
1237 break;
1238 default:
1239 break;
1240 }
1241 oop o = java_lang_boxing_object::create(jap.get_ret_type(), value, CHECK_NULL);
1242 return JNIHandles::make_local(THREAD, o);
1243 }
1244 C2V_END
1245
1246 C2V_VMENTRY(jlongArray, getLineNumberTable, (JNIEnv *, jobject, jobject jvmci_method))
1247 Method* method = CompilerToVM::asMethod(jvmci_method);
1248 if (!method->has_linenumber_table()) {
1249 return NULL;
1250 }
1251 u2 num_entries = 0;
1252 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
1253 while (streamForSize.read_pair()) {
1254 num_entries++;
1255 }
1256
1257 CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
1258 typeArrayOop result = oopFactory::new_longArray(2 * num_entries, CHECK_NULL);
1259
1260 int i = 0;
1261 jlong value;
1262 while (stream.read_pair()) {
1263 value = ((long) stream.bci());
1264 result->long_at_put(i, value);
1265 value = ((long) stream.line());
1266 result->long_at_put(i + 1, value);
1267 i += 2;
1268 }
1269
1270 return (jlongArray) JNIHandles::make_local(THREAD, result);
1271 C2V_END
1272
1273 C2V_VMENTRY(jlong, getLocalVariableTableStart, (JNIEnv *, jobject, jobject jvmci_method))
1274 ResourceMark rm;
1275 Method* method = CompilerToVM::asMethod(jvmci_method);
1276 if (!method->has_localvariable_table()) {
1277 return 0;
1278 }
1279 return (jlong) (address) method->localvariable_table_start();
1280 C2V_END
1281
1282 C2V_VMENTRY(jint, getLocalVariableTableLength, (JNIEnv *, jobject, jobject jvmci_method))
1283 ResourceMark rm;
1284 Method* method = CompilerToVM::asMethod(jvmci_method);
1285 return method->localvariable_table_length();
1286 C2V_END
1287
1288 C2V_VMENTRY(void, reprofile, (JNIEnv*, jobject, jobject jvmci_method))
1289 Method* method = CompilerToVM::asMethod(jvmci_method);
1290 MethodCounters* mcs = method->method_counters();
1291 if (mcs != NULL) {
1292 mcs->clear_counters();
1293 }
1294 NOT_PRODUCT(method->set_compiled_invocation_count(0));
1295
1296 CompiledMethod* code = method->code();
1297 if (code != NULL) {
1298 code->make_not_entrant();
1299 }
1300
1301 MethodData* method_data = method->method_data();
1302 if (method_data == NULL) {
1303 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
1304 method_data = MethodData::allocate(loader_data, method, CHECK);
1305 method->set_method_data(method_data);
1306 } else {
1307 method_data->initialize();
1308 }
1309 C2V_END
1310
1311
1312 C2V_VMENTRY(void, invalidateInstalledCode, (JNIEnv*, jobject, jobject installed_code))
1313 Handle installed_code_handle(THREAD, JNIHandles::resolve(installed_code));
1314 nmethod::invalidate_installed_code(installed_code_handle, CHECK);
1315 C2V_END
1316
1317 C2V_VMENTRY(jlongArray, collectCounters, (JNIEnv*, jobject))
1318 typeArrayOop arrayOop = oopFactory::new_longArray(JVMCICounterSize, CHECK_NULL);
1319 JavaThread::collect_counters(arrayOop);
1320 return (jlongArray) JNIHandles::make_local(THREAD, arrayOop);
1321 C2V_END
1322
1323 C2V_VMENTRY(int, allocateCompileId, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci))
1324 HandleMark hm;
1325 ResourceMark rm;
1326 if (JNIHandles::resolve(jvmci_method) == NULL) {
1327 THROW_0(vmSymbols::java_lang_NullPointerException());
1328 }
1329 Method* method = CompilerToVM::asMethod(jvmci_method);
1330 if (entry_bci >= method->code_size() || entry_bci < -1) {
1331 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Unexpected bci %d", entry_bci));
1332 }
1333 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
1334 C2V_END
1335
1336
1337 C2V_VMENTRY(jboolean, isMature, (JNIEnv*, jobject, jlong metaspace_method_data))
1338 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1339 return mdo != NULL && mdo->is_mature();
1340 C2V_END
1341
1342 C2V_VMENTRY(jboolean, hasCompiledCodeForOSR, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci, int comp_level))
1343 Method* method = CompilerToVM::asMethod(jvmci_method);
1344 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
1345 C2V_END
1346
1347 C2V_VMENTRY(jobject, getSymbol, (JNIEnv*, jobject, jlong symbol))
1348 Handle sym = java_lang_String::create_from_symbol((Symbol*)(address)symbol, CHECK_NULL);
1349 return JNIHandles::make_local(THREAD, sym());
1350 C2V_END
1351
1352 bool matches(jobjectArray methods, Method* method) {
1353 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods);
1354
1355 for (int i = 0; i < methods_oop->length(); i++) {
1356 oop resolved = methods_oop->obj_at(i);
1357 if (resolved->is_a(HotSpotResolvedJavaMethodImpl::klass()) && CompilerToVM::asMethod(resolved) == method) {
1358 return true;
1359 }
1360 }
1361 return false;
1362 }
1363
1364 C2V_VMENTRY(jobject, getNextStackFrame, (JNIEnv*, jobject compilerToVM, jobject hs_frame, jobjectArray methods, jint initialSkip))
1365 ResourceMark rm;
1366
1367 if (!thread->has_last_Java_frame()) return NULL;
1368 Handle result = HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
1369 HotSpotStackFrameReference::klass()->initialize(CHECK_NULL);
1370
1371 StackFrameStream fst(thread);
1372 if (hs_frame != NULL) {
1373 // look for the correct stack frame if one is given
1374 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1375 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1376 fst.next();
1377 }
1378 if (fst.current()->sp() != stack_pointer) {
1379 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1380 }
1381 }
1382
1383 int frame_number = 0;
1384 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1385 if (hs_frame != NULL) {
1386 // look for the correct vframe within the stack frame if one is given
1387 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1388 while (frame_number < last_frame_number) {
1389 if (vf->is_top()) {
1390 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1391 }
1392 vf = vf->sender();
1393 frame_number ++;
1394 }
1395 // move one frame forward
1396 if (vf->is_top()) {
1397 if (fst.is_done()) {
1398 return NULL;
1399 }
1400 fst.next();
1401 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1402 frame_number = 0;
1403 } else {
1404 vf = vf->sender();
1405 frame_number++;
1406 }
1407 }
1408
1409 while (true) {
1410 // look for the given method
1411 while (true) {
1412 StackValueCollection* locals = NULL;
1413 if (vf->is_compiled_frame()) {
1414 // compiled method frame
1415 compiledVFrame* cvf = compiledVFrame::cast(vf);
1416 if (methods == NULL || matches(methods, cvf->method())) {
1417 if (initialSkip > 0) {
1418 initialSkip --;
1419 } else {
1420 ScopeDesc* scope = cvf->scope();
1421 // native wrappers do not have a scope
1422 if (scope != NULL && scope->objects() != NULL) {
1423 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), scope->objects(), CHECK_NULL);
1424 Deoptimization::reassign_fields(fst.current(), fst.register_map(), scope->objects(), realloc_failures, false);
1425
1426 GrowableArray<ScopeValue*>* local_values = scope->locals();
1427 typeArrayOop array_oop = oopFactory::new_boolArray(local_values->length(), CHECK_NULL);
1428 typeArrayHandle array(THREAD, array_oop);
1429 for (int i = 0; i < local_values->length(); i++) {
1430 ScopeValue* value = local_values->at(i);
1431 if (value->is_object()) {
1432 array->bool_at_put(i, true);
1433 }
1434 }
1435 HotSpotStackFrameReference::set_localIsVirtual(result, array());
1436 } else {
1437 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1438 }
1439
1440 locals = cvf->locals();
1441 HotSpotStackFrameReference::set_bci(result, cvf->bci());
1442 oop method = CompilerToVM::get_jvmci_method(cvf->method(), CHECK_NULL);
1443 HotSpotStackFrameReference::set_method(result, method);
1444 }
1445 }
1446 } else if (vf->is_interpreted_frame()) {
1447 // interpreted method frame
1448 interpretedVFrame* ivf = interpretedVFrame::cast(vf);
1449 if (methods == NULL || matches(methods, ivf->method())) {
1450 if (initialSkip > 0) {
1451 initialSkip --;
1452 } else {
1453 locals = ivf->locals();
1454 HotSpotStackFrameReference::set_bci(result, ivf->bci());
1455 oop method = CompilerToVM::get_jvmci_method(ivf->method(), CHECK_NULL);
1456 HotSpotStackFrameReference::set_method(result, method);
1457 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1458 }
1459 }
1460 }
1461
1462 // locals != NULL means that we found a matching frame and result is already partially initialized
1463 if (locals != NULL) {
1464 HotSpotStackFrameReference::set_compilerToVM(result, JNIHandles::resolve(compilerToVM));
1465 HotSpotStackFrameReference::set_stackPointer(result, (jlong) fst.current()->sp());
1466 HotSpotStackFrameReference::set_frameNumber(result, frame_number);
1467
1468 // initialize the locals array
1469 objArrayOop array_oop = oopFactory::new_objectArray(locals->size(), CHECK_NULL);
1470 objArrayHandle array(THREAD, array_oop);
1471 for (int i = 0; i < locals->size(); i++) {
1472 StackValue* var = locals->at(i);
1473 if (var->type() == T_OBJECT) {
1474 array->obj_at_put(i, locals->at(i)->get_obj()());
1475 }
1476 }
1477 HotSpotStackFrameReference::set_locals(result, array());
1478
1479 return JNIHandles::make_local(thread, result());
1480 }
1481
1482 if (vf->is_top()) {
1483 break;
1484 }
1485 frame_number++;
1486 vf = vf->sender();
1487 } // end of vframe loop
1488
1489 if (fst.is_done()) {
1490 break;
1491 }
1492 fst.next();
1493 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1494 frame_number = 0;
1495 } // end of frame loop
1496
1497 // the end was reached without finding a matching method
1498 return NULL;
1499 C2V_END
1500
1501 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1502 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1503 CallInfo callInfo;
1504 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK);
1505 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index);
1506 cp_cache_entry->set_dynamic_call(cp, callInfo);
1507 C2V_END
1508
1509 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1510 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1511 Klass* holder = cp->klass_ref_at(index, CHECK);
1512 Symbol* name = cp->name_ref_at(index);
1513 if (MethodHandles::is_signature_polymorphic_name(holder, name)) {
1514 CallInfo callInfo;
1515 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK);
1516 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1517 cp_cache_entry->set_method_handle(cp, callInfo);
1518 }
1519 C2V_END
1520
1521 C2V_VMENTRY(jobject, getSignaturePolymorphicHolders, (JNIEnv*, jobject))
1522 objArrayHandle holders = oopFactory::new_objArray_handle(SystemDictionary::String_klass(), 2, CHECK_NULL);
1523 Handle mh = java_lang_String::create_from_str("Ljava/lang/invoke/MethodHandle;", CHECK_NULL);
1524 Handle vh = java_lang_String::create_from_str("Ljava/lang/invoke/VarHandle;", CHECK_NULL);
1525 holders->obj_at_put(0, mh());
1526 holders->obj_at_put(1, vh());
1527 return JNIHandles::make_local(THREAD, holders());
1528 C2V_END
1529
1530 C2V_VMENTRY(jboolean, shouldDebugNonSafepoints, (JNIEnv*, jobject))
1531 //see compute_recording_non_safepoints in debugInfroRec.cpp
1532 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
1533 return true;
1534 }
1535 return DebugNonSafepoints;
1536 C2V_END
1537
1538 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate);
1539 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv*, jobject, jobject hs_frame, bool invalidate))
1540 ResourceMark rm;
1541
1542 if (hs_frame == NULL) {
1543 THROW_MSG(vmSymbols::java_lang_NullPointerException(), "stack frame is null")
1544 }
1545
1546 HotSpotStackFrameReference::klass()->initialize(CHECK);
1547
1548 // look for the given stack frame
1549 StackFrameStream fst(thread);
1550 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1551 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1552 fst.next();
1553 }
1554 if (fst.current()->sp() != stack_pointer) {
1555 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1556 }
1557
1558 if (invalidate) {
1559 if (!fst.current()->is_compiled_frame()) {
1560 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1561 }
1562 assert(fst.current()->cb()->is_nmethod(), "nmethod expected");
1563 ((nmethod*) fst.current()->cb())->make_not_entrant();
1564 }
1565 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none);
1566 // look for the frame again as it has been updated by deopt (pc, deopt state...)
1567 StackFrameStream fstAfterDeopt(thread);
1568 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) {
1569 fstAfterDeopt.next();
1570 }
1571 if (fstAfterDeopt.current()->sp() != stack_pointer) {
1572 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1573 }
1574
1575 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
1576 if (!vf->is_compiled_frame()) {
1577 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1578 }
1579
1580 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10);
1581 while (true) {
1582 assert(vf->is_compiled_frame(), "Wrong frame type");
1583 virtualFrames->push(compiledVFrame::cast(vf));
1584 if (vf->is_top()) {
1585 break;
1586 }
1587 vf = vf->sender();
1588 }
1589
1590 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1591 if (last_frame_number >= virtualFrames->length()) {
1592 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1593 }
1594
1595 // Reallocate the non-escaping objects and restore their fields.
1596 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope");
1597 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
1598
1599 if (objects == NULL) {
1600 // no objects to materialize
1601 return;
1602 }
1603
1604 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), objects, CHECK);
1605 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false);
1606
1607 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
1608 compiledVFrame* cvf = virtualFrames->at(frame_index);
1609
1610 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals();
1611 StackValueCollection* locals = cvf->locals();
1612
1613 if (locals != NULL) {
1614 for (int i2 = 0; i2 < locals->size(); i2++) {
1615 StackValue* var = locals->at(i2);
1616 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) {
1617 jvalue val;
1618 val.l = (jobject) locals->at(i2)->get_obj()();
1619 cvf->update_local(T_OBJECT, i2, val);
1620 }
1621 }
1622 }
1623 }
1624
1625 // all locals are materialized by now
1626 HotSpotStackFrameReference::set_localIsVirtual(hs_frame, NULL);
1627
1628 // update the locals array
1629 objArrayHandle array(THREAD, HotSpotStackFrameReference::locals(hs_frame));
1630 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals();
1631 for (int i = 0; i < locals->size(); i++) {
1632 StackValue* var = locals->at(i);
1633 if (var->type() == T_OBJECT) {
1634 array->obj_at_put(i, locals->at(i)->get_obj()());
1635 }
1636 }
1637 C2V_END
1638
1639 C2V_VMENTRY(void, writeDebugOutput, (JNIEnv*, jobject, jbyteArray bytes, jint offset, jint length))
1640 if (bytes == NULL) {
1641 THROW(vmSymbols::java_lang_NullPointerException());
1642 }
1643 typeArrayOop array = (typeArrayOop) JNIHandles::resolve(bytes);
1644
1645 // Check if offset and length are non negative.
1646 if (offset < 0 || length < 0) {
1647 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1648 }
1649 // Check if the range is valid.
1650 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array->length())) {
1651 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1652 }
1653 while (length > 0) {
1654 jbyte* start = array->byte_at_addr(offset);
1655 tty->write((char*) start, MIN2(length, O_BUFLEN));
1656 length -= O_BUFLEN;
1657 offset += O_BUFLEN;
1658 }
1659 C2V_END
1660
1661 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv*, jobject))
1662 tty->flush();
1663 C2V_END
1664
1665 C2V_VMENTRY(int, methodDataProfileDataSize, (JNIEnv*, jobject, jlong metaspace_method_data, jint position))
1666 ResourceMark rm;
1667 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1668 ProfileData* profile_data = mdo->data_at(position);
1669 if (mdo->is_valid(profile_data)) {
1670 return profile_data->size_in_bytes();
1671 }
1672 DataLayout* data = mdo->extra_data_base();
1673 DataLayout* end = mdo->extra_data_limit();
1674 for (;; data = mdo->next_extra(data)) {
1675 assert(data < end, "moved past end of extra data");
1676 profile_data = data->data_in();
1677 if (mdo->dp_to_di(profile_data->dp()) == position) {
1678 return profile_data->size_in_bytes();
1679 }
1680 }
1681 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Invalid profile data position %d", position));
1682 C2V_END
1683
1684 C2V_VMENTRY(jlong, getFingerprint, (JNIEnv*, jobject, jlong metaspace_klass))
1685 Klass *k = CompilerToVM::asKlass(metaspace_klass);
1686 if (k->is_instance_klass()) {
1687 return InstanceKlass::cast(k)->get_stored_fingerprint();
1688 } else {
1689 return 0;
1690 }
1691 C2V_END
1692
1693 C2V_VMENTRY(jobject, getHostClass, (JNIEnv*, jobject, jobject jvmci_type))
1694 InstanceKlass* k = InstanceKlass::cast(CompilerToVM::asKlass(jvmci_type));
1695 InstanceKlass* host = k->host_klass();
1696 oop result = CompilerToVM::get_jvmci_type(host, CHECK_NULL);
1697 return JNIHandles::make_local(THREAD, result);
1698 C2V_END
1699
1700 C2V_VMENTRY(int, interpreterFrameSize, (JNIEnv*, jobject, jobject bytecode_frame_handle))
1701 if (bytecode_frame_handle == NULL) {
1702 THROW_0(vmSymbols::java_lang_NullPointerException());
1703 }
1704
1705 oop top_bytecode_frame = JNIHandles::resolve_non_null(bytecode_frame_handle);
1706 oop bytecode_frame = top_bytecode_frame;
1707 int size = 0;
1708 int callee_parameters = 0;
1709 int callee_locals = 0;
1710 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1711 int extra_args = method->max_stack() - BytecodeFrame::numStack(bytecode_frame);
1712
1713 while (bytecode_frame != NULL) {
1714 int locks = BytecodeFrame::numLocks(bytecode_frame);
1715 int temps = BytecodeFrame::numStack(bytecode_frame);
1716 bool is_top_frame = (bytecode_frame == top_bytecode_frame);
1717 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1718
1719 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(),
1720 temps + callee_parameters,
1721 extra_args,
1722 locks,
1723 callee_parameters,
1724 callee_locals,
1725 is_top_frame);
1726 size += frame_size;
1727
1728 callee_parameters = method->size_of_parameters();
1729 callee_locals = method->max_locals();
1730 extra_args = 0;
1731 bytecode_frame = BytecodePosition::caller(bytecode_frame);
1732 }
1733 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
1734 C2V_END
1735
1736 C2V_VMENTRY(void, compileToBytecode, (JNIEnv*, jobject, jobject lambda_form_handle))
1737 Handle lambda_form(THREAD, JNIHandles::resolve_non_null(lambda_form_handle));
1738 if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) {
1739 TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode", CHECK);
1740 JavaValue result(T_VOID);
1741 JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK);
1742 } else {
1743 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
1744 err_msg("Unexpected type: %s", lambda_form->klass()->external_name()));
1745 }
1746 C2V_END
1747
1748 #define CC (char*) /*cast a literal from (const char*)*/
1749 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
1750
1751 #define STRING "Ljava/lang/String;"
1752 #define OBJECT "Ljava/lang/Object;"
1753 #define CLASS "Ljava/lang/Class;"
1754 #define EXECUTABLE "Ljava/lang/reflect/Executable;"
1755 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;"
1756 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;"
1757 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;"
1758 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;"
1759 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;"
1760 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;"
1761 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;"
1762 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;"
1763 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;"
1764 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;"
1765 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;"
1766 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;"
1767 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;"
1768 #define METASPACE_METHOD_DATA "J"
1769
1770 JNINativeMethod CompilerToVM::methods[] = {
1771 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)},
1772 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)},
1773 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)},
1774 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)},
1775 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)},
1776 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)},
1777 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)},
1778 {CC "setNotInlineableOrCompileable", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(setNotInlineableOrCompileable)},
1779 {CC "isCompilable", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(isCompilable)},
1780 {CC "hasNeverInlineDirective", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(hasNeverInlineDirective)},
1781 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)},
1782 {CC "lookupType", CC "(" STRING CLASS "Z)" HS_RESOLVED_KLASS, FN_PTR(lookupType)},
1783 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)},
1784 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)},
1785 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)},
1786 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)},
1787 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)},
1788 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(lookupAppendixInPool)},
1789 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)},
1790 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)},
1791 {CC "resolveConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolveConstantInPool)},
1792 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolvePossiblyCachedConstantInPool)},
1793 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)},
1794 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[I)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)},
1795 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)},
1796 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)},
1797 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
1798 {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)},
1799 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)},
1800 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)},
1801 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)},
1802 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)},
1803 {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)},
1804 {CC "getResolvedJavaMethod", CC "(Ljava/lang/Object;J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)},
1805 {CC "getConstantPool", CC "(Ljava/lang/Object;)" HS_CONSTANT_POOL, FN_PTR(getConstantPool)},
1806 {CC "getResolvedJavaType", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType)},
1807 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)},
1808 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE HS_SPECULATION_LOG ")I", FN_PTR(installCode)},
1809 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)},
1810 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)},
1811 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)},
1812 {CC "executeInstalledCode", CC "([" OBJECT INSTALLED_CODE ")" OBJECT, FN_PTR(executeInstalledCode)},
1813 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)},
1814 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)},
1815 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)},
1816 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)},
1817 {CC "invalidateInstalledCode", CC "(" INSTALLED_CODE ")V", FN_PTR(invalidateInstalledCode)},
1818 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)},
1819 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)},
1820 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)},
1821 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)},
1822 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)},
1823 {CC "getNextStackFrame", CC "(" HS_STACK_FRAME_REF "[" RESOLVED_METHOD "I)" HS_STACK_FRAME_REF, FN_PTR(getNextStackFrame)},
1824 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)},
1825 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)},
1826 {CC "writeDebugOutput", CC "([BII)V", FN_PTR(writeDebugOutput)},
1827 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)},
1828 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)},
1829 {CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)},
1830 {CC "getHostClass", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getHostClass)},
1831 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)},
1832 {CC "compileToBytecode", CC "(" OBJECT ")V", FN_PTR(compileToBytecode)},
1833 {CC "getFlagValue", CC "(" STRING ")" OBJECT, FN_PTR(getFlagValue)},
1834 };
1835
1836 int CompilerToVM::methods_count() {
1837 return sizeof(methods) / sizeof(JNINativeMethod);
1838 }