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, "OopHandle") == 0 ||
416 strcmp(vmField.typeString, "size_t") == 0 ||
417 // All foo* types are addresses.
418 vmField.typeString[strlen(vmField.typeString) - 1] == '*') {
419 BOXED_LONG(box, *((address*) vmField.address));
420 VMField::set_value(vmFieldObj, box);
421 } else {
422 JVMCI_ERROR_NULL("VM field %s has unsupported type %s", name_buf, vmField.typeString);
423 }
424 }
425 vmFields->obj_at_put(i, vmFieldObj());
426 }
427
428 int ints_len = JVMCIVMStructs::localHotSpotVMIntConstants_count();
429 int longs_len = JVMCIVMStructs::localHotSpotVMLongConstants_count();
430 len = ints_len + longs_len;
431 objArrayHandle vmConstants = oopFactory::new_objArray_handle(SystemDictionary::Object_klass(), len * 2, CHECK_NULL);
432 int insert = 0;
433 for (int i = 0; i < ints_len ; i++) {
434 VMIntConstantEntry c = JVMCIVMStructs::localHotSpotVMIntConstants[i];
435 CSTRING_TO_JSTRING(name, c.name);
436 BOXED_LONG(value, c.value);
437 vmConstants->obj_at_put(insert++, name());
438 vmConstants->obj_at_put(insert++, value);
439 }
440 for (int i = 0; i < longs_len ; i++) {
441 VMLongConstantEntry c = JVMCIVMStructs::localHotSpotVMLongConstants[i];
442 CSTRING_TO_JSTRING(name, c.name);
443 BOXED_LONG(value, c.value);
444 vmConstants->obj_at_put(insert++, name());
445 vmConstants->obj_at_put(insert++, value);
446 }
447 assert(insert == len * 2, "must be");
448
449 len = JVMCIVMStructs::localHotSpotVMAddresses_count();
450 objArrayHandle vmAddresses = oopFactory::new_objArray_handle(SystemDictionary::Object_klass(), len * 2, CHECK_NULL);
451 for (int i = 0; i < len ; i++) {
452 VMAddressEntry a = JVMCIVMStructs::localHotSpotVMAddresses[i];
453 CSTRING_TO_JSTRING(name, a.name);
454 BOXED_LONG(value, a.value);
455 vmAddresses->obj_at_put(i * 2, name());
456 vmAddresses->obj_at_put(i * 2 + 1, value);
457 }
458
459 #define COUNT_FLAG(ignore) +1
460 #ifdef ASSERT
461 #define CHECK_FLAG(type, name) { \
462 Flag* flag = Flag::find_flag(#name, strlen(#name), /*allow_locked*/ true, /* return_flag */ true); \
463 assert(flag != NULL, "No such flag named " #name); \
464 assert(flag->is_##type(), "Flag " #name " is not of type " #type); \
465 }
466 #else
467 #define CHECK_FLAG(type, name)
468 #endif
469
470 #define ADD_FLAG(type, name, convert) { \
471 CHECK_FLAG(type, name) \
472 instanceHandle vmFlagObj = InstanceKlass::cast(VMFlag::klass())->allocate_instance_handle(CHECK_NULL); \
473 CSTRING_TO_JSTRING(fname, #name); \
474 CSTRING_TO_JSTRING(ftype, #type); \
475 VMFlag::set_name(vmFlagObj, fname()); \
476 VMFlag::set_type(vmFlagObj, ftype()); \
477 convert(value, name); \
478 VMFlag::set_value(vmFlagObj, value); \
479 vmFlags->obj_at_put(i++, vmFlagObj()); \
480 }
481 #define ADD_BOOL_FLAG(name) ADD_FLAG(bool, name, BOXED_BOOLEAN)
482 #define ADD_INTX_FLAG(name) ADD_FLAG(intx, name, BOXED_LONG)
483 #define ADD_UINTX_FLAG(name) ADD_FLAG(uintx, name, BOXED_LONG)
484
485 len = 0 + PREDEFINED_CONFIG_FLAGS(COUNT_FLAG, COUNT_FLAG, COUNT_FLAG);
486 objArrayHandle vmFlags = oopFactory::new_objArray_handle(VMFlag::klass(), len, CHECK_NULL);
487 int i = 0;
488 PREDEFINED_CONFIG_FLAGS(ADD_BOOL_FLAG, ADD_INTX_FLAG, ADD_UINTX_FLAG)
489
490 objArrayHandle vmIntrinsics = CompilerToVM::initialize_intrinsics(CHECK_NULL);
491
492 objArrayOop data = oopFactory::new_objArray(SystemDictionary::Object_klass(), 5, CHECK_NULL);
493 data->obj_at_put(0, vmFields());
494 data->obj_at_put(1, vmConstants());
495 data->obj_at_put(2, vmAddresses());
496 data->obj_at_put(3, vmFlags());
497 data->obj_at_put(4, vmIntrinsics());
498
499 return (jobjectArray) JNIHandles::make_local(THREAD, data);
500 #undef COUNT_FLAG
501 #undef ADD_FLAG
502 #undef ADD_BOOL_FLAG
503 #undef ADD_INTX_FLAG
504 #undef ADD_UINTX_FLAG
505 #undef CHECK_FLAG
506 C2V_END
507
508 C2V_VMENTRY(jobject, getFlagValue, (JNIEnv *, jobject c2vm, jobject name_handle))
509 #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);
510 #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);
511 Handle name(THREAD, JNIHandles::resolve(name_handle));
512 if (name.is_null()) {
513 THROW_0(vmSymbols::java_lang_NullPointerException());
514 }
515 ResourceMark rm;
516 const char* cstring = java_lang_String::as_utf8_string(name());
517 Flag* flag = Flag::find_flag(cstring, strlen(cstring), /* allow_locked */ true, /* return_flag */ true);
518 if (flag == NULL) {
519 return c2vm;
520 }
521 if (flag->is_bool()) {
522 jvalue prim;
523 prim.z = flag->get_bool();
524 oop box = java_lang_boxing_object::create(T_BOOLEAN, &prim, CHECK_NULL);
525 return JNIHandles::make_local(THREAD, box);
526 } else if (flag->is_ccstr()) {
527 Handle value = java_lang_String::create_from_str(flag->get_ccstr(), CHECK_NULL);
528 return JNIHandles::make_local(THREAD, value());
529 } else if (flag->is_intx()) {
530 RETURN_BOXED_LONG(flag->get_intx());
531 } else if (flag->is_int()) {
532 RETURN_BOXED_LONG(flag->get_int());
533 } else if (flag->is_uint()) {
534 RETURN_BOXED_LONG(flag->get_uint());
535 } else if (flag->is_uint64_t()) {
536 RETURN_BOXED_LONG(flag->get_uint64_t());
537 } else if (flag->is_size_t()) {
538 RETURN_BOXED_LONG(flag->get_size_t());
539 } else if (flag->is_uintx()) {
540 RETURN_BOXED_LONG(flag->get_uintx());
541 } else if (flag->is_double()) {
542 RETURN_BOXED_DOUBLE(flag->get_double());
543 } else {
544 JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type);
545 }
546 C2V_END
547
548 #undef BOXED_LONG
549 #undef BOXED_DOUBLE
550 #undef CSTRING_TO_JSTRING
551
552 C2V_VMENTRY(jbyteArray, getBytecode, (JNIEnv *, jobject, jobject jvmci_method))
553 methodHandle method = CompilerToVM::asMethod(jvmci_method);
554 ResourceMark rm;
555
556 int code_size = method->code_size();
557 typeArrayOop reconstituted_code = oopFactory::new_byteArray(code_size, CHECK_NULL);
558
559 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten");
560 // iterate over all bytecodes and replace non-Java bytecodes
561
562 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) {
563 Bytecodes::Code code = s.code();
564 Bytecodes::Code raw_code = s.raw_code();
565 int bci = s.bci();
566 int len = s.instruction_size();
567
568 // Restore original byte code.
569 reconstituted_code->byte_at_put(bci, (jbyte) (s.is_wide()? Bytecodes::_wide : code));
570 if (len > 1) {
571 memcpy(reconstituted_code->byte_at_addr(bci + 1), s.bcp()+1, len-1);
572 }
573
574 if (len > 1) {
575 // Restore the big-endian constant pool indexes.
576 // Cf. Rewriter::scan_method
577 switch (code) {
578 case Bytecodes::_getstatic:
579 case Bytecodes::_putstatic:
580 case Bytecodes::_getfield:
581 case Bytecodes::_putfield:
582 case Bytecodes::_invokevirtual:
583 case Bytecodes::_invokespecial:
584 case Bytecodes::_invokestatic:
585 case Bytecodes::_invokeinterface:
586 case Bytecodes::_invokehandle: {
587 int cp_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
588 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
589 break;
590 }
591
592 case Bytecodes::_invokedynamic: {
593 int cp_index = Bytes::get_native_u4((address) reconstituted_code->byte_at_addr(bci + 1));
594 Bytes::put_Java_u4((address) reconstituted_code->byte_at_addr(bci + 1), (u4) cp_index);
595 break;
596 }
597
598 default:
599 break;
600 }
601
602 // Not all ldc byte code are rewritten.
603 switch (raw_code) {
604 case Bytecodes::_fast_aldc: {
605 int cpc_index = reconstituted_code->byte_at(bci + 1) & 0xff;
606 int cp_index = method->constants()->object_to_cp_index(cpc_index);
607 assert(cp_index < method->constants()->length(), "sanity check");
608 reconstituted_code->byte_at_put(bci + 1, (jbyte) cp_index);
609 break;
610 }
611
612 case Bytecodes::_fast_aldc_w: {
613 int cpc_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
614 int cp_index = method->constants()->object_to_cp_index(cpc_index);
615 assert(cp_index < method->constants()->length(), "sanity check");
616 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
617 break;
618 }
619
620 default:
621 break;
622 }
623 }
624 }
625
626 return (jbyteArray) JNIHandles::make_local(THREAD, reconstituted_code);
627 C2V_END
628
629 C2V_VMENTRY(jint, getExceptionTableLength, (JNIEnv *, jobject, jobject jvmci_method))
630 ResourceMark rm;
631 methodHandle method = CompilerToVM::asMethod(jvmci_method);
632 return method->exception_table_length();
633 C2V_END
634
635 C2V_VMENTRY(jlong, getExceptionTableStart, (JNIEnv *, jobject, jobject jvmci_method))
636 ResourceMark rm;
637 methodHandle method = CompilerToVM::asMethod(jvmci_method);
638 if (method->exception_table_length() == 0) {
639 return 0L;
640 }
641 return (jlong) (address) method->exception_table_start();
642 C2V_END
643
644 C2V_VMENTRY(jobject, asResolvedJavaMethod, (JNIEnv *, jobject, jobject executable_handle))
645 oop executable = JNIHandles::resolve(executable_handle);
646 oop mirror = NULL;
647 int slot = 0;
648
649 if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) {
650 mirror = java_lang_reflect_Constructor::clazz(executable);
651 slot = java_lang_reflect_Constructor::slot(executable);
652 } else {
653 assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type");
654 mirror = java_lang_reflect_Method::clazz(executable);
655 slot = java_lang_reflect_Method::slot(executable);
656 }
657 Klass* holder = java_lang_Class::as_Klass(mirror);
658 methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot);
659 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
660 return JNIHandles::make_local(THREAD, result);
661 }
662
663 C2V_VMENTRY(jobject, getResolvedJavaMethod, (JNIEnv *, jobject, jobject base, jlong offset))
664 methodHandle method;
665 oop base_object = JNIHandles::resolve(base);
666 if (base_object == NULL) {
667 method = *((Method**)(offset));
668 } else if (base_object->is_a(SystemDictionary::ResolvedMethodName_klass())) {
669 method = (Method*) (intptr_t) base_object->long_field(offset);
670 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
671 method = *((Method**)(HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object) + offset));
672 } else {
673 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
674 err_msg("Unexpected type: %s", base_object->klass()->external_name()));
675 }
676 assert (method.is_null() || method->is_method(), "invalid read");
677 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
678 return JNIHandles::make_local(THREAD, result);
679 }
680
681 C2V_VMENTRY(jobject, getConstantPool, (JNIEnv *, jobject, jobject object_handle))
682 constantPoolHandle cp;
683 oop object = JNIHandles::resolve(object_handle);
684 if (object == NULL) {
685 THROW_0(vmSymbols::java_lang_NullPointerException());
686 }
687 if (object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
688 cp = CompilerToVM::asMethod(object)->constMethod()->constants();
689 } else if (object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
690 cp = InstanceKlass::cast(CompilerToVM::asKlass(object))->constants();
691 } else {
692 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
693 err_msg("Unexpected type: %s", object->klass()->external_name()));
694 }
695 assert(!cp.is_null(), "npe");
696 JavaValue method_result(T_OBJECT);
697 JavaCallArguments args;
698 args.push_long((jlong) (address) cp());
699 JavaCalls::call_static(&method_result, SystemDictionary::HotSpotConstantPool_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::constantPool_fromMetaspace_signature(), &args, CHECK_NULL);
700 return JNIHandles::make_local(THREAD, (oop)method_result.get_jobject());
701 }
702
703 C2V_VMENTRY(jobject, getResolvedJavaType, (JNIEnv *, jobject, jobject base, jlong offset, jboolean compressed))
704 Klass* klass = NULL;
705 oop base_object = JNIHandles::resolve(base);
706 jlong base_address = 0;
707 if (base_object != NULL && offset == oopDesc::klass_offset_in_bytes()) {
708 klass = base_object->klass();
709 } else if (!compressed) {
710 if (base_object != NULL) {
711 if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
712 base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object);
713 } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) {
714 base_address = HotSpotConstantPool::metaspaceConstantPool(base_object);
715 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
716 base_address = (jlong) CompilerToVM::asKlass(base_object);
717 } else if (base_object->is_a(SystemDictionary::Class_klass())) {
718 base_address = (jlong) (address) base_object;
719 } else {
720 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
721 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
722 }
723 }
724 klass = *((Klass**) (intptr_t) (base_address + offset));
725 } else {
726 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
727 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
728 }
729 assert (klass == NULL || klass->is_klass(), "invalid read");
730 oop result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
731 return JNIHandles::make_local(THREAD, result);
732 }
733
734 C2V_VMENTRY(jobject, findUniqueConcreteMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
735 ResourceMark rm;
736 methodHandle method = CompilerToVM::asMethod(jvmci_method);
737 Klass* holder = CompilerToVM::asKlass(jvmci_type);
738 if (holder->is_interface()) {
739 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", holder->external_name()));
740 }
741
742 methodHandle ucm;
743 {
744 MutexLocker locker(Compile_lock);
745 ucm = Dependencies::find_unique_concrete_method(holder, method());
746 }
747 oop result = CompilerToVM::get_jvmci_method(ucm, CHECK_NULL);
748 return JNIHandles::make_local(THREAD, result);
749 C2V_END
750
751 C2V_VMENTRY(jobject, getImplementor, (JNIEnv *, jobject, jobject jvmci_type))
752 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type);
753 oop implementor = CompilerToVM::get_jvmci_type(klass->implementor(), CHECK_NULL);
754 return JNIHandles::make_local(THREAD, implementor);
755 C2V_END
756
757 C2V_VMENTRY(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv *, jobject, jobject jvmci_method))
758 methodHandle method = CompilerToVM::asMethod(jvmci_method);
759 return method->is_ignored_by_security_stack_walk();
760 C2V_END
761
762 C2V_VMENTRY(jboolean, isCompilable,(JNIEnv *, jobject, jobject jvmci_method))
763 methodHandle method = CompilerToVM::asMethod(jvmci_method);
764 return !method->is_not_compilable(CompLevel_full_optimization);
765 C2V_END
766
767 C2V_VMENTRY(jboolean, hasNeverInlineDirective,(JNIEnv *, jobject, jobject jvmci_method))
768 methodHandle method = CompilerToVM::asMethod(jvmci_method);
769 return !Inline || CompilerOracle::should_not_inline(method) || method->dont_inline();
770 C2V_END
771
772 C2V_VMENTRY(jboolean, shouldInlineMethod,(JNIEnv *, jobject, jobject jvmci_method))
773 methodHandle method = CompilerToVM::asMethod(jvmci_method);
774 return CompilerOracle::should_inline(method) || method->force_inline();
775 C2V_END
776
777 C2V_VMENTRY(jobject, lookupType, (JNIEnv*, jobject, jstring jname, jclass accessing_class, jboolean resolve))
778 ResourceMark rm;
779 Handle name(THREAD, JNIHandles::resolve(jname));
780 Symbol* class_name = java_lang_String::as_symbol(name(), CHECK_0);
781 if (java_lang_String::length(name()) <= 1) {
782 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string()));
783 }
784
785 Klass* resolved_klass = NULL;
786 if (JNIHandles::resolve(accessing_class) == NULL) {
787 THROW_0(vmSymbols::java_lang_NullPointerException());
788 }
789 Klass* accessing_klass = java_lang_Class::as_Klass(JNIHandles::resolve(accessing_class));
790 Handle class_loader(THREAD, accessing_klass->class_loader());
791 Handle protection_domain(THREAD, accessing_klass->protection_domain());
792
793 if (resolve) {
794 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0);
795 } else {
796 if (class_name->byte_at(0) == 'L' &&
797 class_name->byte_at(class_name->utf8_length()-1) == ';') {
798 // This is a name from a signature. Strip off the trimmings.
799 // Call recursive to keep scope of strippedsym.
800 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1,
801 class_name->utf8_length()-2,
802 CHECK_0);
803 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0);
804 } else if (FieldType::is_array(class_name)) {
805 FieldArrayInfo fd;
806 // dimension and object_key in FieldArrayInfo are assigned as a side-effect
807 // of this call
808 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0);
809 if (t == T_OBJECT) {
810 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(),
811 class_name->utf8_length()-2-fd.dimension(),
812 CHECK_0);
813 // naked oop "k" is OK here -- we assign back into it
814 resolved_klass = SystemDictionary::find(strippedsym,
815 class_loader,
816 protection_domain,
817 CHECK_0);
818 if (resolved_klass != NULL) {
819 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0);
820 }
821 } else {
822 resolved_klass = Universe::typeArrayKlassObj(t);
823 resolved_klass = TypeArrayKlass::cast(resolved_klass)->array_klass(fd.dimension(), CHECK_0);
824 }
825 }
826 }
827 oop result = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
828 return JNIHandles::make_local(THREAD, result);
829 C2V_END
830
831 C2V_VMENTRY(jobject, resolveConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
832 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
833 oop result = cp->resolve_constant_at(index, CHECK_NULL);
834 return JNIHandles::make_local(THREAD, result);
835 C2V_END
836
837 C2V_VMENTRY(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
838 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
839 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL);
840 return JNIHandles::make_local(THREAD, result);
841 C2V_END
842
843 C2V_VMENTRY(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
844 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
845 return cp->name_and_type_ref_index_at(index);
846 C2V_END
847
848 C2V_VMENTRY(jobject, lookupNameInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
849 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
850 Handle sym = java_lang_String::create_from_symbol(cp->name_ref_at(which), CHECK_NULL);
851 return JNIHandles::make_local(THREAD, sym());
852 C2V_END
853
854 C2V_VMENTRY(jobject, lookupSignatureInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
855 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
856 Handle sym = java_lang_String::create_from_symbol(cp->signature_ref_at(which), CHECK_NULL);
857 return JNIHandles::make_local(THREAD, sym());
858 C2V_END
859
860 C2V_VMENTRY(jint, lookupKlassRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
861 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
862 return cp->klass_ref_index_at(index);
863 C2V_END
864
865 C2V_VMENTRY(jobject, resolveTypeInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
866 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
867 Klass* resolved_klass = cp->klass_at(index, CHECK_NULL);
868 oop klass = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
869 return JNIHandles::make_local(THREAD, klass);
870 C2V_END
871
872 C2V_VMENTRY(jobject, lookupKlassInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
873 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
874 Klass* loading_klass = cp->pool_holder();
875 bool is_accessible = false;
876 Klass* klass = JVMCIEnv::get_klass_by_index(cp, index, is_accessible, loading_klass);
877 Symbol* symbol = NULL;
878 if (klass == NULL) {
879 symbol = cp->klass_name_at(index);
880 }
881 oop result_oop;
882 if (klass != NULL) {
883 result_oop = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
884 } else {
885 Handle result = java_lang_String::create_from_symbol(symbol, CHECK_NULL);
886 result_oop = result();
887 }
888 return JNIHandles::make_local(THREAD, result_oop);
889 C2V_END
890
891 C2V_VMENTRY(jobject, lookupAppendixInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
892 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
893 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index);
894 return JNIHandles::make_local(THREAD, appendix_oop);
895 C2V_END
896
897 C2V_VMENTRY(jobject, lookupMethodInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
898 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
899 InstanceKlass* pool_holder = cp->pool_holder();
900 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
901 methodHandle method = JVMCIEnv::get_method_by_index(cp, index, bc, pool_holder);
902 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
903 return JNIHandles::make_local(THREAD, result);
904 C2V_END
905
906 C2V_VMENTRY(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
907 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
908 return cp->remap_instruction_operand_from_cache(index);
909 C2V_END
910
911 C2V_VMENTRY(jobject, resolveFieldInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jintArray info_handle))
912 ResourceMark rm;
913 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
914 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF);
915 fieldDescriptor fd;
916 LinkInfo link_info(cp, index, (jvmci_method != NULL) ? CompilerToVM::asMethod(jvmci_method) : NULL, CHECK_0);
917 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0);
918 typeArrayOop info = (typeArrayOop) JNIHandles::resolve(info_handle);
919 if (info == NULL || info->length() != 3) {
920 JVMCI_ERROR_NULL("info must not be null and have a length of 3");
921 }
922 info->int_at_put(0, fd.access_flags().as_int());
923 info->int_at_put(1, fd.offset());
924 info->int_at_put(2, fd.index());
925 oop field_holder = CompilerToVM::get_jvmci_type(fd.field_holder(), CHECK_NULL);
926 return JNIHandles::make_local(THREAD, field_holder);
927 C2V_END
928
929 C2V_VMENTRY(jint, getVtableIndexForInterfaceMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
930 ResourceMark rm;
931 Klass* klass = CompilerToVM::asKlass(jvmci_type);
932 Method* method = CompilerToVM::asMethod(jvmci_method);
933 if (klass->is_interface()) {
934 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", klass->external_name()));
935 }
936 if (!method->method_holder()->is_interface()) {
937 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()));
938 }
939 if (!InstanceKlass::cast(klass)->is_linked()) {
940 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Class %s must be linked", klass->external_name()));
941 }
942 return LinkResolver::vtable_index_of_interface_method(klass, method);
943 C2V_END
944
945 C2V_VMENTRY(jobject, resolveMethod, (JNIEnv *, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type))
946 Klass* recv_klass = CompilerToVM::asKlass(receiver_jvmci_type);
947 Klass* caller_klass = CompilerToVM::asKlass(caller_jvmci_type);
948 methodHandle method = CompilerToVM::asMethod(jvmci_method);
949
950 Klass* resolved = method->method_holder();
951 Symbol* h_name = method->name();
952 Symbol* h_signature = method->signature();
953
954 if (MethodHandles::is_signature_polymorphic_method(method())) {
955 // Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case.
956 return NULL;
957 }
958
959 LinkInfo link_info(resolved, h_name, h_signature, caller_klass);
960 methodHandle m;
961 // Only do exact lookup if receiver klass has been linked. Otherwise,
962 // the vtable has not been setup, and the LinkResolver will fail.
963 if (recv_klass->is_array_klass() ||
964 (InstanceKlass::cast(recv_klass)->is_linked() && !recv_klass->is_interface())) {
965 if (resolved->is_interface()) {
966 m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info);
967 } else {
968 m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info);
969 }
970 }
971
972 if (m.is_null()) {
973 // Return NULL if there was a problem with lookup (uninitialized class, etc.)
974 return NULL;
975 }
976
977 oop result = CompilerToVM::get_jvmci_method(m, CHECK_NULL);
978 return JNIHandles::make_local(THREAD, result);
979 C2V_END
980
981 C2V_VMENTRY(jboolean, hasFinalizableSubclass,(JNIEnv *, jobject, jobject jvmci_type))
982 Klass* klass = CompilerToVM::asKlass(jvmci_type);
983 assert(klass != NULL, "method must not be called for primitive types");
984 return Dependencies::find_finalizable_subclass(klass) != NULL;
985 C2V_END
986
987 C2V_VMENTRY(jobject, getClassInitializer, (JNIEnv *, jobject, jobject jvmci_type))
988 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type);
989 oop result = CompilerToVM::get_jvmci_method(klass->class_initializer(), CHECK_NULL);
990 return JNIHandles::make_local(THREAD, result);
991 C2V_END
992
993 C2V_VMENTRY(jlong, getMaxCallTargetOffset, (JNIEnv*, jobject, jlong addr))
994 address target_addr = (address) addr;
995 if (target_addr != 0x0) {
996 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int));
997 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int));
998 return MAX2(ABS(off_low), ABS(off_high));
999 }
1000 return -1;
1001 C2V_END
1002
1003 C2V_VMENTRY(void, setNotInlineableOrCompileable,(JNIEnv *, jobject, jobject jvmci_method))
1004 methodHandle method = CompilerToVM::asMethod(jvmci_method);
1005 method->set_not_c1_compilable();
1006 method->set_not_c2_compilable();
1007 method->set_dont_inline(true);
1008 C2V_END
1009
1010 C2V_VMENTRY(jint, installCode, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject installed_code, jobject speculation_log))
1011 ResourceMark rm;
1012 HandleMark hm;
1013 JNIHandleMark jni_hm;
1014
1015 Handle target_handle(THREAD, JNIHandles::resolve(target));
1016 Handle compiled_code_handle(THREAD, JNIHandles::resolve(compiled_code));
1017 CodeBlob* cb = NULL;
1018 Handle installed_code_handle(THREAD, JNIHandles::resolve(installed_code));
1019 Handle speculation_log_handle(THREAD, JNIHandles::resolve(speculation_log));
1020
1021 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK_JNI_ERR);
1022
1023 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer());
1024 bool is_immutable_PIC = HotSpotCompiledCode::isImmutablePIC(compiled_code_handle) > 0;
1025 CodeInstaller installer(is_immutable_PIC);
1026 JVMCIEnv::CodeInstallResult result = installer.install(compiler, target_handle, compiled_code_handle, cb, installed_code_handle, speculation_log_handle, CHECK_0);
1027
1028 if (PrintCodeCacheOnCompilation) {
1029 stringStream s;
1030 // Dump code cache into a buffer before locking the tty,
1031 {
1032 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
1033 CodeCache::print_summary(&s, false);
1034 }
1035 ttyLocker ttyl;
1036 tty->print_raw_cr(s.as_string());
1037 }
1038
1039 if (result != JVMCIEnv::ok) {
1040 assert(cb == NULL, "should be");
1041 } else {
1042 if (installed_code_handle.not_null()) {
1043 assert(installed_code_handle->is_a(InstalledCode::klass()), "wrong type");
1044 nmethod::invalidate_installed_code(installed_code_handle, CHECK_0);
1045 {
1046 // Ensure that all updates to the InstalledCode fields are consistent.
1047 MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag);
1048 InstalledCode::set_address(installed_code_handle, (jlong) cb);
1049 InstalledCode::set_version(installed_code_handle, InstalledCode::version(installed_code_handle) + 1);
1050 if (cb->is_nmethod()) {
1051 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->as_nmethod_or_null()->verified_entry_point());
1052 } else {
1053 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->code_begin());
1054 }
1055 if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) {
1056 HotSpotInstalledCode::set_size(installed_code_handle, cb->size());
1057 HotSpotInstalledCode::set_codeStart(installed_code_handle, (jlong) cb->code_begin());
1058 HotSpotInstalledCode::set_codeSize(installed_code_handle, cb->code_size());
1059 }
1060 }
1061 }
1062 }
1063 return result;
1064 C2V_END
1065
1066 C2V_VMENTRY(jint, getMetadata, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject metadata))
1067 ResourceMark rm;
1068 HandleMark hm;
1069
1070 Handle target_handle(THREAD, JNIHandles::resolve(target));
1071 Handle compiled_code_handle(THREAD, JNIHandles::resolve(compiled_code));
1072 Handle metadata_handle(THREAD, JNIHandles::resolve(metadata));
1073
1074 CodeMetadata code_metadata;
1075 CodeBlob *cb = NULL;
1076 CodeInstaller installer(true /* immutable PIC compilation */);
1077
1078 JVMCIEnv::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, CHECK_0);
1079 if (result != JVMCIEnv::ok) {
1080 return result;
1081 }
1082
1083 if (code_metadata.get_nr_pc_desc() > 0) {
1084 typeArrayHandle pcArrayOop = oopFactory::new_byteArray_handle(sizeof(PcDesc) * code_metadata.get_nr_pc_desc(), CHECK_(JVMCIEnv::cache_full));
1085 memcpy(pcArrayOop->byte_at_addr(0), code_metadata.get_pc_desc(), sizeof(PcDesc) * code_metadata.get_nr_pc_desc());
1086 HotSpotMetaData::set_pcDescBytes(metadata_handle, pcArrayOop());
1087 }
1088
1089 if (code_metadata.get_scopes_size() > 0) {
1090 typeArrayHandle scopesArrayOop = oopFactory::new_byteArray_handle(code_metadata.get_scopes_size(), CHECK_(JVMCIEnv::cache_full));
1091 memcpy(scopesArrayOop->byte_at_addr(0), code_metadata.get_scopes_desc(), code_metadata.get_scopes_size());
1092 HotSpotMetaData::set_scopesDescBytes(metadata_handle, scopesArrayOop());
1093 }
1094
1095 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer();
1096 typeArrayHandle relocArrayOop = oopFactory::new_byteArray_handle((int) reloc_buffer->size(), CHECK_(JVMCIEnv::cache_full));
1097 if (reloc_buffer->size() > 0) {
1098 memcpy(relocArrayOop->byte_at_addr(0), reloc_buffer->begin(), reloc_buffer->size());
1099 }
1100 HotSpotMetaData::set_relocBytes(metadata_handle, relocArrayOop());
1101
1102 const OopMapSet* oopMapSet = installer.oopMapSet();
1103 {
1104 ResourceMark mark;
1105 ImmutableOopMapBuilder builder(oopMapSet);
1106 int oopmap_size = builder.heap_size();
1107 typeArrayHandle oopMapArrayHandle = oopFactory::new_byteArray_handle(oopmap_size, CHECK_(JVMCIEnv::cache_full));
1108 builder.generate_into((address) oopMapArrayHandle->byte_at_addr(0));
1109 HotSpotMetaData::set_oopMaps(metadata_handle, oopMapArrayHandle());
1110 }
1111
1112 AOTOopRecorder* recorder = code_metadata.get_oop_recorder();
1113
1114 int nr_meta_refs = recorder->nr_meta_refs();
1115 objArrayOop metadataArray = oopFactory::new_objectArray(nr_meta_refs, CHECK_(JVMCIEnv::cache_full));
1116 objArrayHandle metadataArrayHandle(THREAD, metadataArray);
1117 for (int i = 0; i < nr_meta_refs; ++i) {
1118 jobject element = recorder->meta_element(i);
1119 if (element == NULL) {
1120 return JVMCIEnv::cache_full;
1121 }
1122 metadataArrayHandle->obj_at_put(i, JNIHandles::resolve(element));
1123 }
1124 HotSpotMetaData::set_metadata(metadata_handle, metadataArrayHandle());
1125
1126 ExceptionHandlerTable* handler = code_metadata.get_exception_table();
1127 int table_size = handler->size_in_bytes();
1128 typeArrayHandle exceptionArrayOop = oopFactory::new_byteArray_handle(table_size, CHECK_(JVMCIEnv::cache_full));
1129
1130 if (table_size > 0) {
1131 handler->copy_bytes_to((address) exceptionArrayOop->byte_at_addr(0));
1132 }
1133 HotSpotMetaData::set_exceptionBytes(metadata_handle, exceptionArrayOop());
1134
1135 return result;
1136 C2V_END
1137
1138 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv *jniEnv, jobject))
1139 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK);
1140 CompilerStatistics* stats = compiler->stats();
1141 stats->_standard.reset();
1142 stats->_osr.reset();
1143 C2V_END
1144
1145 C2V_VMENTRY(jobject, disassembleCodeBlob, (JNIEnv *jniEnv, jobject, jobject installedCode))
1146 ResourceMark rm;
1147 HandleMark hm;
1148
1149 if (installedCode == NULL) {
1150 THROW_MSG_NULL(vmSymbols::java_lang_NullPointerException(), "installedCode is null");
1151 }
1152
1153 jlong codeBlob = InstalledCode::address(installedCode);
1154 if (codeBlob == 0L) {
1155 return NULL;
1156 }
1157
1158 CodeBlob* cb = (CodeBlob*) (address) codeBlob;
1159 if (cb == NULL) {
1160 return NULL;
1161 }
1162
1163 // We don't want the stringStream buffer to resize during disassembly as it
1164 // uses scoped resource memory. If a nested function called during disassembly uses
1165 // a ResourceMark and the buffer expands within the scope of the mark,
1166 // the buffer becomes garbage when that scope is exited. Experience shows that
1167 // the disassembled code is typically about 10x the code size so a fixed buffer
1168 // sized to 20x code size plus a fixed amount for header info should be sufficient.
1169 int bufferSize = cb->code_size() * 20 + 1024;
1170 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize);
1171 stringStream st(buffer, bufferSize);
1172 if (cb->is_nmethod()) {
1173 nmethod* nm = (nmethod*) cb;
1174 if (!nm->is_alive()) {
1175 return NULL;
1176 }
1177 }
1178 Disassembler::decode(cb, &st);
1179 if (st.size() <= 0) {
1180 return NULL;
1181 }
1182
1183 Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL);
1184 return JNIHandles::make_local(THREAD, result());
1185 C2V_END
1186
1187 C2V_VMENTRY(jobject, getStackTraceElement, (JNIEnv*, jobject, jobject jvmci_method, int bci))
1188 ResourceMark rm;
1189 HandleMark hm;
1190
1191 methodHandle method = CompilerToVM::asMethod(jvmci_method);
1192 oop element = java_lang_StackTraceElement::create(method, bci, CHECK_NULL);
1193 return JNIHandles::make_local(THREAD, element);
1194 C2V_END
1195
1196 C2V_VMENTRY(jobject, executeInstalledCode, (JNIEnv*, jobject, jobject args, jobject hotspotInstalledCode))
1197 ResourceMark rm;
1198 HandleMark hm;
1199
1200 jlong nmethodValue = InstalledCode::address(hotspotInstalledCode);
1201 if (nmethodValue == 0L) {
1202 THROW_NULL(vmSymbols::jdk_vm_ci_code_InvalidInstalledCodeException());
1203 }
1204 nmethod* nm = (nmethod*) (address) nmethodValue;
1205 methodHandle mh = nm->method();
1206 Symbol* signature = mh->signature();
1207 JavaCallArguments jca(mh->size_of_parameters());
1208
1209 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
1210 JavaValue result(jap.get_ret_type());
1211 jca.set_alternative_target(nm);
1212 JavaCalls::call(&result, mh, &jca, CHECK_NULL);
1213
1214 if (jap.get_ret_type() == T_VOID) {
1215 return NULL;
1216 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) {
1217 return JNIHandles::make_local(THREAD, (oop) result.get_jobject());
1218 } else {
1219 jvalue *value = (jvalue *) result.get_value_addr();
1220 // Narrow the value down if required (Important on big endian machines)
1221 switch (jap.get_ret_type()) {
1222 case T_BOOLEAN:
1223 value->z = (jboolean) value->i;
1224 break;
1225 case T_BYTE:
1226 value->b = (jbyte) value->i;
1227 break;
1228 case T_CHAR:
1229 value->c = (jchar) value->i;
1230 break;
1231 case T_SHORT:
1232 value->s = (jshort) value->i;
1233 break;
1234 default:
1235 break;
1236 }
1237 oop o = java_lang_boxing_object::create(jap.get_ret_type(), value, CHECK_NULL);
1238 return JNIHandles::make_local(THREAD, o);
1239 }
1240 C2V_END
1241
1242 C2V_VMENTRY(jlongArray, getLineNumberTable, (JNIEnv *, jobject, jobject jvmci_method))
1243 Method* method = CompilerToVM::asMethod(jvmci_method);
1244 if (!method->has_linenumber_table()) {
1245 return NULL;
1246 }
1247 u2 num_entries = 0;
1248 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
1249 while (streamForSize.read_pair()) {
1250 num_entries++;
1251 }
1252
1253 CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
1254 typeArrayOop result = oopFactory::new_longArray(2 * num_entries, CHECK_NULL);
1255
1256 int i = 0;
1257 jlong value;
1258 while (stream.read_pair()) {
1259 value = ((long) stream.bci());
1260 result->long_at_put(i, value);
1261 value = ((long) stream.line());
1262 result->long_at_put(i + 1, value);
1263 i += 2;
1264 }
1265
1266 return (jlongArray) JNIHandles::make_local(THREAD, result);
1267 C2V_END
1268
1269 C2V_VMENTRY(jlong, getLocalVariableTableStart, (JNIEnv *, jobject, jobject jvmci_method))
1270 ResourceMark rm;
1271 Method* method = CompilerToVM::asMethod(jvmci_method);
1272 if (!method->has_localvariable_table()) {
1273 return 0;
1274 }
1275 return (jlong) (address) method->localvariable_table_start();
1276 C2V_END
1277
1278 C2V_VMENTRY(jint, getLocalVariableTableLength, (JNIEnv *, jobject, jobject jvmci_method))
1279 ResourceMark rm;
1280 Method* method = CompilerToVM::asMethod(jvmci_method);
1281 return method->localvariable_table_length();
1282 C2V_END
1283
1284 C2V_VMENTRY(void, reprofile, (JNIEnv*, jobject, jobject jvmci_method))
1285 Method* method = CompilerToVM::asMethod(jvmci_method);
1286 MethodCounters* mcs = method->method_counters();
1287 if (mcs != NULL) {
1288 mcs->clear_counters();
1289 }
1290 NOT_PRODUCT(method->set_compiled_invocation_count(0));
1291
1292 CompiledMethod* code = method->code();
1293 if (code != NULL) {
1294 code->make_not_entrant();
1295 }
1296
1297 MethodData* method_data = method->method_data();
1298 if (method_data == NULL) {
1299 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
1300 method_data = MethodData::allocate(loader_data, method, CHECK);
1301 method->set_method_data(method_data);
1302 } else {
1303 method_data->initialize();
1304 }
1305 C2V_END
1306
1307
1308 C2V_VMENTRY(void, invalidateInstalledCode, (JNIEnv*, jobject, jobject installed_code))
1309 Handle installed_code_handle(THREAD, JNIHandles::resolve(installed_code));
1310 nmethod::invalidate_installed_code(installed_code_handle, CHECK);
1311 C2V_END
1312
1313 C2V_VMENTRY(jlongArray, collectCounters, (JNIEnv*, jobject))
1314 typeArrayOop arrayOop = oopFactory::new_longArray(JVMCICounterSize, CHECK_NULL);
1315 JavaThread::collect_counters(arrayOop);
1316 return (jlongArray) JNIHandles::make_local(THREAD, arrayOop);
1317 C2V_END
1318
1319 C2V_VMENTRY(int, allocateCompileId, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci))
1320 HandleMark hm;
1321 ResourceMark rm;
1322 if (JNIHandles::resolve(jvmci_method) == NULL) {
1323 THROW_0(vmSymbols::java_lang_NullPointerException());
1324 }
1325 Method* method = CompilerToVM::asMethod(jvmci_method);
1326 if (entry_bci >= method->code_size() || entry_bci < -1) {
1327 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Unexpected bci %d", entry_bci));
1328 }
1329 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
1330 C2V_END
1331
1332
1333 C2V_VMENTRY(jboolean, isMature, (JNIEnv*, jobject, jlong metaspace_method_data))
1334 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1335 return mdo != NULL && mdo->is_mature();
1336 C2V_END
1337
1338 C2V_VMENTRY(jboolean, hasCompiledCodeForOSR, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci, int comp_level))
1339 Method* method = CompilerToVM::asMethod(jvmci_method);
1340 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
1341 C2V_END
1342
1343 C2V_VMENTRY(jobject, getSymbol, (JNIEnv*, jobject, jlong symbol))
1344 Handle sym = java_lang_String::create_from_symbol((Symbol*)(address)symbol, CHECK_NULL);
1345 return JNIHandles::make_local(THREAD, sym());
1346 C2V_END
1347
1348 bool matches(jobjectArray methods, Method* method) {
1349 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods);
1350
1351 for (int i = 0; i < methods_oop->length(); i++) {
1352 oop resolved = methods_oop->obj_at(i);
1353 if (resolved->is_a(HotSpotResolvedJavaMethodImpl::klass()) && CompilerToVM::asMethod(resolved) == method) {
1354 return true;
1355 }
1356 }
1357 return false;
1358 }
1359
1360 C2V_VMENTRY(jobject, getNextStackFrame, (JNIEnv*, jobject compilerToVM, jobject hs_frame, jobjectArray methods, jint initialSkip))
1361 ResourceMark rm;
1362
1363 if (!thread->has_last_Java_frame()) return NULL;
1364 Handle result = HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
1365 HotSpotStackFrameReference::klass()->initialize(CHECK_NULL);
1366
1367 StackFrameStream fst(thread);
1368 if (hs_frame != NULL) {
1369 // look for the correct stack frame if one is given
1370 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1371 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1372 fst.next();
1373 }
1374 if (fst.current()->sp() != stack_pointer) {
1375 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1376 }
1377 }
1378
1379 int frame_number = 0;
1380 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1381 if (hs_frame != NULL) {
1382 // look for the correct vframe within the stack frame if one is given
1383 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1384 while (frame_number < last_frame_number) {
1385 if (vf->is_top()) {
1386 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1387 }
1388 vf = vf->sender();
1389 frame_number ++;
1390 }
1391 // move one frame forward
1392 if (vf->is_top()) {
1393 if (fst.is_done()) {
1394 return NULL;
1395 }
1396 fst.next();
1397 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1398 frame_number = 0;
1399 } else {
1400 vf = vf->sender();
1401 frame_number++;
1402 }
1403 }
1404
1405 while (true) {
1406 // look for the given method
1407 while (true) {
1408 StackValueCollection* locals = NULL;
1409 if (vf->is_compiled_frame()) {
1410 // compiled method frame
1411 compiledVFrame* cvf = compiledVFrame::cast(vf);
1412 if (methods == NULL || matches(methods, cvf->method())) {
1413 if (initialSkip > 0) {
1414 initialSkip --;
1415 } else {
1416 ScopeDesc* scope = cvf->scope();
1417 // native wrappers do not have a scope
1418 if (scope != NULL && scope->objects() != NULL) {
1419 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), scope->objects(), CHECK_NULL);
1420 Deoptimization::reassign_fields(fst.current(), fst.register_map(), scope->objects(), realloc_failures, false);
1421
1422 GrowableArray<ScopeValue*>* local_values = scope->locals();
1423 typeArrayOop array_oop = oopFactory::new_boolArray(local_values->length(), CHECK_NULL);
1424 typeArrayHandle array(THREAD, array_oop);
1425 for (int i = 0; i < local_values->length(); i++) {
1426 ScopeValue* value = local_values->at(i);
1427 if (value->is_object()) {
1428 array->bool_at_put(i, true);
1429 }
1430 }
1431 HotSpotStackFrameReference::set_localIsVirtual(result, array());
1432 } else {
1433 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1434 }
1435
1436 locals = cvf->locals();
1437 HotSpotStackFrameReference::set_bci(result, cvf->bci());
1438 oop method = CompilerToVM::get_jvmci_method(cvf->method(), CHECK_NULL);
1439 HotSpotStackFrameReference::set_method(result, method);
1440 }
1441 }
1442 } else if (vf->is_interpreted_frame()) {
1443 // interpreted method frame
1444 interpretedVFrame* ivf = interpretedVFrame::cast(vf);
1445 if (methods == NULL || matches(methods, ivf->method())) {
1446 if (initialSkip > 0) {
1447 initialSkip --;
1448 } else {
1449 locals = ivf->locals();
1450 HotSpotStackFrameReference::set_bci(result, ivf->bci());
1451 oop method = CompilerToVM::get_jvmci_method(ivf->method(), CHECK_NULL);
1452 HotSpotStackFrameReference::set_method(result, method);
1453 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1454 }
1455 }
1456 }
1457
1458 // locals != NULL means that we found a matching frame and result is already partially initialized
1459 if (locals != NULL) {
1460 HotSpotStackFrameReference::set_compilerToVM(result, JNIHandles::resolve(compilerToVM));
1461 HotSpotStackFrameReference::set_stackPointer(result, (jlong) fst.current()->sp());
1462 HotSpotStackFrameReference::set_frameNumber(result, frame_number);
1463
1464 // initialize the locals array
1465 objArrayOop array_oop = oopFactory::new_objectArray(locals->size(), CHECK_NULL);
1466 objArrayHandle array(THREAD, array_oop);
1467 for (int i = 0; i < locals->size(); i++) {
1468 StackValue* var = locals->at(i);
1469 if (var->type() == T_OBJECT) {
1470 array->obj_at_put(i, locals->at(i)->get_obj()());
1471 }
1472 }
1473 HotSpotStackFrameReference::set_locals(result, array());
1474
1475 return JNIHandles::make_local(thread, result());
1476 }
1477
1478 if (vf->is_top()) {
1479 break;
1480 }
1481 frame_number++;
1482 vf = vf->sender();
1483 } // end of vframe loop
1484
1485 if (fst.is_done()) {
1486 break;
1487 }
1488 fst.next();
1489 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1490 frame_number = 0;
1491 } // end of frame loop
1492
1493 // the end was reached without finding a matching method
1494 return NULL;
1495 C2V_END
1496
1497 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1498 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1499 CallInfo callInfo;
1500 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK);
1501 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index);
1502 cp_cache_entry->set_dynamic_call(cp, callInfo);
1503 C2V_END
1504
1505 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1506 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1507 Klass* holder = cp->klass_ref_at(index, CHECK);
1508 Symbol* name = cp->name_ref_at(index);
1509 if (MethodHandles::is_signature_polymorphic_name(holder, name)) {
1510 CallInfo callInfo;
1511 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK);
1512 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1513 cp_cache_entry->set_method_handle(cp, callInfo);
1514 }
1515 C2V_END
1516
1517 C2V_VMENTRY(jint, isResolvedInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1518 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1519 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1520 if (cp_cache_entry->is_resolved(Bytecodes::_invokehandle)) {
1521 // MethodHandle.invoke* --> LambdaForm?
1522 ResourceMark rm;
1523
1524 LinkInfo link_info(cp, index, CATCH);
1525
1526 Klass* resolved_klass = link_info.resolved_klass();
1527
1528 Symbol* name_sym = cp->name_ref_at(index);
1529
1530 vmassert(MethodHandles::is_method_handle_invoke_name(resolved_klass, name_sym), "!");
1531 vmassert(MethodHandles::is_signature_polymorphic_name(resolved_klass, name_sym), "!");
1532
1533 methodHandle adapter_method(cp_cache_entry->f1_as_method());
1534
1535 methodHandle resolved_method(adapter_method);
1536
1537 // Can we treat it as a regular invokevirtual?
1538 if (resolved_method->method_holder() == resolved_klass && resolved_method->name() == name_sym) {
1539 vmassert(!resolved_method->is_static(),"!");
1540 vmassert(MethodHandles::is_signature_polymorphic_method(resolved_method()),"!");
1541 vmassert(!MethodHandles::is_signature_polymorphic_static(resolved_method->intrinsic_id()), "!");
1542 vmassert(cp_cache_entry->appendix_if_resolved(cp) == NULL, "!");
1543 vmassert(cp_cache_entry->method_type_if_resolved(cp) == NULL, "!");
1544
1545 methodHandle m(LinkResolver::linktime_resolve_virtual_method_or_null(link_info));
1546 vmassert(m == resolved_method, "!!");
1547 return -1;
1548 }
1549
1550 return Bytecodes::_invokevirtual;
1551 }
1552 if (cp_cache_entry->is_resolved(Bytecodes::_invokedynamic)) {
1553 return Bytecodes::_invokedynamic;
1554 }
1555 return -1;
1556 C2V_END
1557
1558
1559 C2V_VMENTRY(jobject, getSignaturePolymorphicHolders, (JNIEnv*, jobject))
1560 objArrayHandle holders = oopFactory::new_objArray_handle(SystemDictionary::String_klass(), 2, CHECK_NULL);
1561 Handle mh = java_lang_String::create_from_str("Ljava/lang/invoke/MethodHandle;", CHECK_NULL);
1562 Handle vh = java_lang_String::create_from_str("Ljava/lang/invoke/VarHandle;", CHECK_NULL);
1563 holders->obj_at_put(0, mh());
1564 holders->obj_at_put(1, vh());
1565 return JNIHandles::make_local(THREAD, holders());
1566 C2V_END
1567
1568 C2V_VMENTRY(jboolean, shouldDebugNonSafepoints, (JNIEnv*, jobject))
1569 //see compute_recording_non_safepoints in debugInfroRec.cpp
1570 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
1571 return true;
1572 }
1573 return DebugNonSafepoints;
1574 C2V_END
1575
1576 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate);
1577 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv*, jobject, jobject hs_frame, bool invalidate))
1578 ResourceMark rm;
1579
1580 if (hs_frame == NULL) {
1581 THROW_MSG(vmSymbols::java_lang_NullPointerException(), "stack frame is null")
1582 }
1583
1584 HotSpotStackFrameReference::klass()->initialize(CHECK);
1585
1586 // look for the given stack frame
1587 StackFrameStream fst(thread);
1588 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1589 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1590 fst.next();
1591 }
1592 if (fst.current()->sp() != stack_pointer) {
1593 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1594 }
1595
1596 if (invalidate) {
1597 if (!fst.current()->is_compiled_frame()) {
1598 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1599 }
1600 assert(fst.current()->cb()->is_nmethod(), "nmethod expected");
1601 ((nmethod*) fst.current()->cb())->make_not_entrant();
1602 }
1603 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none);
1604 // look for the frame again as it has been updated by deopt (pc, deopt state...)
1605 StackFrameStream fstAfterDeopt(thread);
1606 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) {
1607 fstAfterDeopt.next();
1608 }
1609 if (fstAfterDeopt.current()->sp() != stack_pointer) {
1610 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1611 }
1612
1613 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
1614 if (!vf->is_compiled_frame()) {
1615 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1616 }
1617
1618 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10);
1619 while (true) {
1620 assert(vf->is_compiled_frame(), "Wrong frame type");
1621 virtualFrames->push(compiledVFrame::cast(vf));
1622 if (vf->is_top()) {
1623 break;
1624 }
1625 vf = vf->sender();
1626 }
1627
1628 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1629 if (last_frame_number >= virtualFrames->length()) {
1630 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1631 }
1632
1633 // Reallocate the non-escaping objects and restore their fields.
1634 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope");
1635 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
1636
1637 if (objects == NULL) {
1638 // no objects to materialize
1639 return;
1640 }
1641
1642 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), objects, CHECK);
1643 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false);
1644
1645 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
1646 compiledVFrame* cvf = virtualFrames->at(frame_index);
1647
1648 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals();
1649 StackValueCollection* locals = cvf->locals();
1650
1651 if (locals != NULL) {
1652 for (int i2 = 0; i2 < locals->size(); i2++) {
1653 StackValue* var = locals->at(i2);
1654 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) {
1655 jvalue val;
1656 val.l = (jobject) locals->at(i2)->get_obj()();
1657 cvf->update_local(T_OBJECT, i2, val);
1658 }
1659 }
1660 }
1661 }
1662
1663 // all locals are materialized by now
1664 HotSpotStackFrameReference::set_localIsVirtual(hs_frame, NULL);
1665
1666 // update the locals array
1667 objArrayHandle array(THREAD, HotSpotStackFrameReference::locals(hs_frame));
1668 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals();
1669 for (int i = 0; i < locals->size(); i++) {
1670 StackValue* var = locals->at(i);
1671 if (var->type() == T_OBJECT) {
1672 array->obj_at_put(i, locals->at(i)->get_obj()());
1673 }
1674 }
1675 C2V_END
1676
1677 C2V_VMENTRY(void, writeDebugOutput, (JNIEnv*, jobject, jbyteArray bytes, jint offset, jint length))
1678 if (bytes == NULL) {
1679 THROW(vmSymbols::java_lang_NullPointerException());
1680 }
1681 typeArrayOop array = (typeArrayOop) JNIHandles::resolve(bytes);
1682
1683 // Check if offset and length are non negative.
1684 if (offset < 0 || length < 0) {
1685 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1686 }
1687 // Check if the range is valid.
1688 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array->length())) {
1689 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1690 }
1691 while (length > 0) {
1692 jbyte* start = array->byte_at_addr(offset);
1693 tty->write((char*) start, MIN2(length, O_BUFLEN));
1694 length -= O_BUFLEN;
1695 offset += O_BUFLEN;
1696 }
1697 C2V_END
1698
1699 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv*, jobject))
1700 tty->flush();
1701 C2V_END
1702
1703 C2V_VMENTRY(int, methodDataProfileDataSize, (JNIEnv*, jobject, jlong metaspace_method_data, jint position))
1704 ResourceMark rm;
1705 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1706 ProfileData* profile_data = mdo->data_at(position);
1707 if (mdo->is_valid(profile_data)) {
1708 return profile_data->size_in_bytes();
1709 }
1710 DataLayout* data = mdo->extra_data_base();
1711 DataLayout* end = mdo->extra_data_limit();
1712 for (;; data = mdo->next_extra(data)) {
1713 assert(data < end, "moved past end of extra data");
1714 profile_data = data->data_in();
1715 if (mdo->dp_to_di(profile_data->dp()) == position) {
1716 return profile_data->size_in_bytes();
1717 }
1718 }
1719 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Invalid profile data position %d", position));
1720 C2V_END
1721
1722 C2V_VMENTRY(jlong, getFingerprint, (JNIEnv*, jobject, jlong metaspace_klass))
1723 Klass *k = CompilerToVM::asKlass(metaspace_klass);
1724 if (k->is_instance_klass()) {
1725 return InstanceKlass::cast(k)->get_stored_fingerprint();
1726 } else {
1727 return 0;
1728 }
1729 C2V_END
1730
1731 C2V_VMENTRY(jobject, getHostClass, (JNIEnv*, jobject, jobject jvmci_type))
1732 InstanceKlass* k = InstanceKlass::cast(CompilerToVM::asKlass(jvmci_type));
1733 InstanceKlass* host = k->host_klass();
1734 oop result = CompilerToVM::get_jvmci_type(host, CHECK_NULL);
1735 return JNIHandles::make_local(THREAD, result);
1736 C2V_END
1737
1738 C2V_VMENTRY(int, interpreterFrameSize, (JNIEnv*, jobject, jobject bytecode_frame_handle))
1739 if (bytecode_frame_handle == NULL) {
1740 THROW_0(vmSymbols::java_lang_NullPointerException());
1741 }
1742
1743 oop top_bytecode_frame = JNIHandles::resolve_non_null(bytecode_frame_handle);
1744 oop bytecode_frame = top_bytecode_frame;
1745 int size = 0;
1746 int callee_parameters = 0;
1747 int callee_locals = 0;
1748 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1749 int extra_args = method->max_stack() - BytecodeFrame::numStack(bytecode_frame);
1750
1751 while (bytecode_frame != NULL) {
1752 int locks = BytecodeFrame::numLocks(bytecode_frame);
1753 int temps = BytecodeFrame::numStack(bytecode_frame);
1754 bool is_top_frame = (bytecode_frame == top_bytecode_frame);
1755 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1756
1757 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(),
1758 temps + callee_parameters,
1759 extra_args,
1760 locks,
1761 callee_parameters,
1762 callee_locals,
1763 is_top_frame);
1764 size += frame_size;
1765
1766 callee_parameters = method->size_of_parameters();
1767 callee_locals = method->max_locals();
1768 extra_args = 0;
1769 bytecode_frame = BytecodePosition::caller(bytecode_frame);
1770 }
1771 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
1772 C2V_END
1773
1774 C2V_VMENTRY(void, compileToBytecode, (JNIEnv*, jobject, jobject lambda_form_handle))
1775 Handle lambda_form(THREAD, JNIHandles::resolve_non_null(lambda_form_handle));
1776 if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) {
1777 TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode", CHECK);
1778 JavaValue result(T_VOID);
1779 JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK);
1780 } else {
1781 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
1782 err_msg("Unexpected type: %s", lambda_form->klass()->external_name()));
1783 }
1784 C2V_END
1785
1786 #define CC (char*) /*cast a literal from (const char*)*/
1787 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
1788
1789 #define STRING "Ljava/lang/String;"
1790 #define OBJECT "Ljava/lang/Object;"
1791 #define CLASS "Ljava/lang/Class;"
1792 #define EXECUTABLE "Ljava/lang/reflect/Executable;"
1793 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;"
1794 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;"
1795 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;"
1796 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;"
1797 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;"
1798 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;"
1799 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;"
1800 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;"
1801 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;"
1802 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;"
1803 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;"
1804 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;"
1805 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;"
1806 #define METASPACE_METHOD_DATA "J"
1807
1808 JNINativeMethod CompilerToVM::methods[] = {
1809 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)},
1810 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)},
1811 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)},
1812 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)},
1813 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)},
1814 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)},
1815 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)},
1816 {CC "setNotInlineableOrCompileable", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(setNotInlineableOrCompileable)},
1817 {CC "isCompilable", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(isCompilable)},
1818 {CC "hasNeverInlineDirective", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(hasNeverInlineDirective)},
1819 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)},
1820 {CC "lookupType", CC "(" STRING CLASS "Z)" HS_RESOLVED_KLASS, FN_PTR(lookupType)},
1821 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)},
1822 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)},
1823 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)},
1824 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)},
1825 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)},
1826 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(lookupAppendixInPool)},
1827 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)},
1828 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)},
1829 {CC "resolveConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolveConstantInPool)},
1830 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolvePossiblyCachedConstantInPool)},
1831 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)},
1832 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[I)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)},
1833 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)},
1834 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)},
1835 {CC "isResolvedInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(isResolvedInvokeHandleInPool)},
1836 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
1837 {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)},
1838 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)},
1839 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)},
1840 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)},
1841 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)},
1842 {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)},
1843 {CC "getResolvedJavaMethod", CC "(Ljava/lang/Object;J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)},
1844 {CC "getConstantPool", CC "(Ljava/lang/Object;)" HS_CONSTANT_POOL, FN_PTR(getConstantPool)},
1845 {CC "getResolvedJavaType", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType)},
1846 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)},
1847 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE HS_SPECULATION_LOG ")I", FN_PTR(installCode)},
1848 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)},
1849 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)},
1850 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)},
1851 {CC "executeInstalledCode", CC "([" OBJECT INSTALLED_CODE ")" OBJECT, FN_PTR(executeInstalledCode)},
1852 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)},
1853 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)},
1854 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)},
1855 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)},
1856 {CC "invalidateInstalledCode", CC "(" INSTALLED_CODE ")V", FN_PTR(invalidateInstalledCode)},
1857 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)},
1858 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)},
1859 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)},
1860 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)},
1861 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)},
1862 {CC "getNextStackFrame", CC "(" HS_STACK_FRAME_REF "[" RESOLVED_METHOD "I)" HS_STACK_FRAME_REF, FN_PTR(getNextStackFrame)},
1863 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)},
1864 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)},
1865 {CC "writeDebugOutput", CC "([BII)V", FN_PTR(writeDebugOutput)},
1866 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)},
1867 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)},
1868 {CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)},
1869 {CC "getHostClass", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getHostClass)},
1870 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)},
1871 {CC "compileToBytecode", CC "(" OBJECT ")V", FN_PTR(compileToBytecode)},
1872 {CC "getFlagValue", CC "(" STRING ")" OBJECT, FN_PTR(getFlagValue)},
1873 };
1874
1875 int CompilerToVM::methods_count() {
1876 return sizeof(methods) / sizeof(JNINativeMethod);
1877 }