1 /*
2 * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 #include "precompiled.hpp"
25 #include "classfile/javaClasses.inline.hpp"
26 #include "code/codeCache.hpp"
27 #include "code/scopeDesc.hpp"
28 #include "interpreter/linkResolver.hpp"
29 #include "memory/oopFactory.hpp"
30 #include "memory/resourceArea.hpp"
31 #include "oops/generateOopMap.hpp"
32 #include "oops/fieldStreams.hpp"
33 #include "oops/oop.inline.hpp"
34 #include "oops/objArrayOop.inline.hpp"
35 #include "runtime/fieldDescriptor.hpp"
36 #include "runtime/javaCalls.hpp"
37 #include "jvmci/jvmciRuntime.hpp"
38 #include "compiler/abstractCompiler.hpp"
39 #include "compiler/compileBroker.hpp"
40 #include "compiler/compilerOracle.hpp"
41 #include "compiler/disassembler.hpp"
42 #include "compiler/oopMap.hpp"
43 #include "jvmci/jvmciCompilerToVM.hpp"
44 #include "jvmci/jvmciCompiler.hpp"
45 #include "jvmci/jvmciEnv.hpp"
46 #include "jvmci/jvmciJavaClasses.hpp"
47 #include "jvmci/jvmciCodeInstaller.hpp"
48 #include "jvmci/vmStructs_jvmci.hpp"
49 #include "gc/g1/heapRegion.hpp"
50 #include "runtime/javaCalls.hpp"
51 #include "runtime/deoptimization.hpp"
52 #include "runtime/timerTrace.hpp"
53 #include "runtime/vframe.hpp"
54 #include "runtime/vframe_hp.hpp"
55 #include "runtime/vmStructs.hpp"
56
57
58 // Entry to native method implementation that transitions current thread to '_thread_in_vm'.
59 #define C2V_VMENTRY(result_type, name, signature) \
60 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
61 TRACE_jvmci_1("CompilerToVM::" #name); \
62 TRACE_CALL(result_type, jvmci_ ## name signature) \
63 JVMCI_VM_ENTRY_MARK; \
64
65 #define C2V_END }
66
67 oop CompilerToVM::get_jvmci_method(const methodHandle& method, TRAPS) {
68 if (method() != NULL) {
69 JavaValue result(T_OBJECT);
70 JavaCallArguments args;
71 args.push_long((jlong) (address) method());
72 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedJavaMethodImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::method_fromMetaspace_signature(), &args, CHECK_NULL);
73
74 return (oop)result.get_jobject();
75 }
76 return NULL;
77 }
78
79 oop CompilerToVM::get_jvmci_type(KlassHandle klass, TRAPS) {
80 if (klass() != NULL) {
81 JavaValue result(T_OBJECT);
82 JavaCallArguments args;
83 args.push_oop(klass->java_mirror());
84 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedObjectTypeImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::klass_fromMetaspace_signature(), &args, CHECK_NULL);
85
86 return (oop)result.get_jobject();
87 }
88 return NULL;
89 }
90
91 int CompilerToVM::Data::Klass_vtable_start_offset;
92 int CompilerToVM::Data::Klass_vtable_length_offset;
93
94 int CompilerToVM::Data::Method_extra_stack_entries;
95
96 address CompilerToVM::Data::SharedRuntime_ic_miss_stub;
97 address CompilerToVM::Data::SharedRuntime_handle_wrong_method_stub;
98 address CompilerToVM::Data::SharedRuntime_deopt_blob_unpack;
99 address CompilerToVM::Data::SharedRuntime_deopt_blob_uncommon_trap;
100
101 size_t CompilerToVM::Data::ThreadLocalAllocBuffer_alignment_reserve;
102
103 CollectedHeap* CompilerToVM::Data::Universe_collectedHeap;
104 int CompilerToVM::Data::Universe_base_vtable_size;
105 address CompilerToVM::Data::Universe_narrow_oop_base;
106 int CompilerToVM::Data::Universe_narrow_oop_shift;
107 address CompilerToVM::Data::Universe_narrow_klass_base;
108 int CompilerToVM::Data::Universe_narrow_klass_shift;
109 void* CompilerToVM::Data::Universe_non_oop_bits;
110 uintptr_t CompilerToVM::Data::Universe_verify_oop_mask;
111 uintptr_t CompilerToVM::Data::Universe_verify_oop_bits;
112
113 bool CompilerToVM::Data::_supports_inline_contig_alloc;
114 HeapWord** CompilerToVM::Data::_heap_end_addr;
115 HeapWord* volatile* CompilerToVM::Data::_heap_top_addr;
116 int CompilerToVM::Data::_max_oop_map_stack_offset;
117
118 jbyte* CompilerToVM::Data::cardtable_start_address;
119 int CompilerToVM::Data::cardtable_shift;
120
121 int CompilerToVM::Data::vm_page_size;
122
123 address CompilerToVM::Data::dsin;
124 address CompilerToVM::Data::dcos;
125 address CompilerToVM::Data::dtan;
126 address CompilerToVM::Data::dexp;
127 address CompilerToVM::Data::dlog;
128 address CompilerToVM::Data::dlog10;
129 address CompilerToVM::Data::dpow;
130
131 void CompilerToVM::Data::initialize() {
132 Klass_vtable_start_offset = in_bytes(Klass::vtable_start_offset());
133 Klass_vtable_length_offset = in_bytes(Klass::vtable_length_offset());
134
135 Method_extra_stack_entries = Method::extra_stack_entries();
136
137 SharedRuntime_ic_miss_stub = SharedRuntime::get_ic_miss_stub();
138 SharedRuntime_handle_wrong_method_stub = SharedRuntime::get_handle_wrong_method_stub();
139 SharedRuntime_deopt_blob_unpack = SharedRuntime::deopt_blob()->unpack();
140 SharedRuntime_deopt_blob_uncommon_trap = SharedRuntime::deopt_blob()->uncommon_trap();
141
142 ThreadLocalAllocBuffer_alignment_reserve = ThreadLocalAllocBuffer::alignment_reserve();
143
144 Universe_collectedHeap = Universe::heap();
145 Universe_base_vtable_size = Universe::base_vtable_size();
146 Universe_narrow_oop_base = Universe::narrow_oop_base();
147 Universe_narrow_oop_shift = Universe::narrow_oop_shift();
148 Universe_narrow_klass_base = Universe::narrow_klass_base();
149 Universe_narrow_klass_shift = Universe::narrow_klass_shift();
150 Universe_non_oop_bits = Universe::non_oop_word();
151 Universe_verify_oop_mask = Universe::verify_oop_mask();
152 Universe_verify_oop_bits = Universe::verify_oop_bits();
153
154 _supports_inline_contig_alloc = Universe::heap()->supports_inline_contig_alloc();
155 _heap_end_addr = _supports_inline_contig_alloc ? Universe::heap()->end_addr() : (HeapWord**) -1;
156 _heap_top_addr = _supports_inline_contig_alloc ? Universe::heap()->top_addr() : (HeapWord* volatile*) -1;
157
158 _max_oop_map_stack_offset = (OopMapValue::register_mask - VMRegImpl::stack2reg(0)->value()) * VMRegImpl::stack_slot_size;
159 int max_oop_map_stack_index = _max_oop_map_stack_offset / VMRegImpl::stack_slot_size;
160 assert(OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index)), "should be valid");
161 assert(!OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index + 1)), "should be invalid");
162
163 BarrierSet* bs = Universe::heap()->barrier_set();
164 switch (bs->kind()) {
165 case BarrierSet::CardTableModRef:
166 case BarrierSet::CardTableForRS:
167 case BarrierSet::CardTableExtension:
168 case BarrierSet::G1SATBCT:
169 case BarrierSet::G1SATBCTLogging: {
170 jbyte* base = barrier_set_cast<CardTableModRefBS>(bs)->byte_map_base;
171 assert(base != 0, "unexpected byte_map_base");
172 cardtable_start_address = base;
173 cardtable_shift = CardTableModRefBS::card_shift;
174 break;
175 }
176 case BarrierSet::ModRef:
177 cardtable_start_address = 0;
178 cardtable_shift = 0;
179 // No post barriers
180 break;
181 default:
182 ShouldNotReachHere();
183 break;
184 }
185
186 vm_page_size = os::vm_page_size();
187
188 #define SET_TRIGFUNC(name) \
189 if (StubRoutines::name() != NULL) { \
190 name = StubRoutines::name(); \
191 } else { \
192 name = CAST_FROM_FN_PTR(address, SharedRuntime::name); \
193 }
194
195 SET_TRIGFUNC(dsin);
196 SET_TRIGFUNC(dcos);
197 SET_TRIGFUNC(dtan);
198 SET_TRIGFUNC(dexp);
199 SET_TRIGFUNC(dlog10);
200 SET_TRIGFUNC(dlog);
201 SET_TRIGFUNC(dpow);
202
203 #undef SET_TRIGFUNC
204 }
205
206 objArrayHandle CompilerToVM::initialize_intrinsics(TRAPS) {
207 objArrayHandle vmIntrinsics = oopFactory::new_objArray(VMIntrinsicMethod::klass(), (vmIntrinsics::ID_LIMIT - 1), CHECK_(objArrayHandle()));
208 int index = 0;
209 // The intrinsics for a class are usually adjacent to each other.
210 // When they are, the string for the class name can be reused.
211 vmSymbols::SID kls_sid = vmSymbols::NO_SID;
212 Handle kls_str;
213 #define SID_ENUM(n) vmSymbols::VM_SYMBOL_ENUM_NAME(n)
214 #define VM_SYMBOL_TO_STRING(s) \
215 java_lang_String::create_from_symbol(vmSymbols::symbol_at(SID_ENUM(s)), CHECK_(objArrayHandle()))
216 #define VM_INTRINSIC_INFO(id, kls, name, sig, ignore_fcode) { \
217 instanceHandle vmIntrinsicMethod = InstanceKlass::cast(VMIntrinsicMethod::klass())->allocate_instance_handle(CHECK_(objArrayHandle())); \
218 if (kls_sid != SID_ENUM(kls)) { \
219 kls_str = VM_SYMBOL_TO_STRING(kls); \
220 kls_sid = SID_ENUM(kls); \
221 } \
222 Handle name_str = VM_SYMBOL_TO_STRING(name); \
223 Handle sig_str = VM_SYMBOL_TO_STRING(sig); \
224 VMIntrinsicMethod::set_declaringClass(vmIntrinsicMethod, kls_str()); \
225 VMIntrinsicMethod::set_name(vmIntrinsicMethod, name_str()); \
226 VMIntrinsicMethod::set_descriptor(vmIntrinsicMethod, sig_str()); \
227 VMIntrinsicMethod::set_id(vmIntrinsicMethod, vmIntrinsics::id); \
228 vmIntrinsics->obj_at_put(index++, vmIntrinsicMethod()); \
229 }
230
231 VM_INTRINSICS_DO(VM_INTRINSIC_INFO, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE)
232 #undef SID_ENUM
233 #undef VM_SYMBOL_TO_STRING
234 #undef VM_INTRINSIC_INFO
235 assert(index == vmIntrinsics::ID_LIMIT - 1, "must be");
236
237 return vmIntrinsics;
238 }
239
240 C2V_VMENTRY(jobjectArray, readConfiguration, (JNIEnv *env))
241 #define BOXED_LONG(name, value) oop name; do { jvalue p; p.j = (jlong) (value); name = java_lang_boxing_object::create(T_LONG, &p, CHECK_NULL);} while(0)
242 #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)
243 ResourceMark rm;
244 HandleMark hm;
245
246 CompilerToVM::Data::initialize();
247
248 VMField::klass()->initialize(CHECK_NULL);
249 VMFlag::klass()->initialize(CHECK_NULL);
250 VMIntrinsicMethod::klass()->initialize(CHECK_NULL);
251
252 int len = JVMCIVMStructs::localHotSpotVMStructs_count();
253 objArrayHandle vmFields = oopFactory::new_objArray(VMField::klass(), len, CHECK_NULL);
254 for (int i = 0; i < len ; i++) {
255 VMStructEntry vmField = JVMCIVMStructs::localHotSpotVMStructs[i];
256 instanceHandle vmFieldObj = InstanceKlass::cast(VMField::klass())->allocate_instance_handle(CHECK_NULL);
257 size_t name_buf_len = strlen(vmField.typeName) + strlen(vmField.fieldName) + 2 /* "::" */;
258 char* name_buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, name_buf_len + 1);
259 sprintf(name_buf, "%s::%s", vmField.typeName, vmField.fieldName);
260 Handle name = java_lang_String::create_from_str(name_buf, CHECK_NULL);
261 Handle type = java_lang_String::create_from_str(vmField.typeString, CHECK_NULL);
262 VMField::set_name(vmFieldObj, name());
263 VMField::set_type(vmFieldObj, type());
264 VMField::set_offset(vmFieldObj, vmField.offset);
265 VMField::set_address(vmFieldObj, (jlong) vmField.address);
266 if (vmField.isStatic) {
267 if (strcmp(vmField.typeString, "bool") == 0) {
268 BOXED_LONG(value, *(jbyte*) vmField.address);
269 VMField::set_value(vmFieldObj, value);
270 } else if (strcmp(vmField.typeString, "int") == 0 ||
271 strcmp(vmField.typeString, "jint") == 0) {
272 BOXED_LONG(value, *(jint*) vmField.address);
273 VMField::set_value(vmFieldObj, value);
274 } else if (strcmp(vmField.typeString, "uint64_t") == 0) {
275 BOXED_LONG(value, *(uint64_t*) vmField.address);
276 VMField::set_value(vmFieldObj, value);
277 } else if (strcmp(vmField.typeString, "address") == 0 ||
278 strcmp(vmField.typeString, "intptr_t") == 0 ||
279 strcmp(vmField.typeString, "uintptr_t") == 0 ||
280 strcmp(vmField.typeString, "size_t") == 0 ||
281 // All foo* types are addresses.
282 vmField.typeString[strlen(vmField.typeString) - 1] == '*') {
283 BOXED_LONG(value, *((address*) vmField.address));
284 VMField::set_value(vmFieldObj, value);
285 } else {
286 JVMCI_ERROR_NULL("VM field %s has unsupported type %s", name_buf, vmField.typeString);
287 }
288 }
289 vmFields->obj_at_put(i, vmFieldObj());
290 }
291
292 len = JVMCIVMStructs::localHotSpotVMTypes_count();
293 objArrayHandle vmTypes = oopFactory::new_objArray(SystemDictionary::Object_klass(), len * 2, CHECK_NULL);
294 for (int i = 0; i < len ; i++) {
295 VMTypeEntry vmType = JVMCIVMStructs::localHotSpotVMTypes[i];
296 Handle name = java_lang_String::create_from_str(vmType.typeName, CHECK_NULL);
297 BOXED_LONG(size, vmType.size);
298 vmTypes->obj_at_put(i * 2, name());
299 vmTypes->obj_at_put(i * 2 + 1, size);
300 }
301
302 int ints_len = JVMCIVMStructs::localHotSpotVMIntConstants_count();
303 int longs_len = JVMCIVMStructs::localHotSpotVMLongConstants_count();
304 len = ints_len + longs_len;
305 objArrayHandle vmConstants = oopFactory::new_objArray(SystemDictionary::Object_klass(), len * 2, CHECK_NULL);
306 int insert = 0;
307 for (int i = 0; i < ints_len ; i++) {
308 VMIntConstantEntry c = JVMCIVMStructs::localHotSpotVMIntConstants[i];
309 Handle name = java_lang_String::create_from_str(c.name, CHECK_NULL);
310 BOXED_LONG(value, c.value);
311 vmConstants->obj_at_put(insert++, name());
312 vmConstants->obj_at_put(insert++, value);
313 }
314 for (int i = 0; i < longs_len ; i++) {
315 VMLongConstantEntry c = JVMCIVMStructs::localHotSpotVMLongConstants[i];
316 Handle name = java_lang_String::create_from_str(c.name, CHECK_NULL);
317 BOXED_LONG(value, c.value);
318 vmConstants->obj_at_put(insert++, name());
319 vmConstants->obj_at_put(insert++, value);
320 }
321 assert(insert == len * 2, "must be");
322
323 len = JVMCIVMStructs::localHotSpotVMAddresses_count();
324 objArrayHandle vmAddresses = oopFactory::new_objArray(SystemDictionary::Object_klass(), len * 2, CHECK_NULL);
325 for (int i = 0; i < len ; i++) {
326 VMAddressEntry a = JVMCIVMStructs::localHotSpotVMAddresses[i];
327 Handle name = java_lang_String::create_from_str(a.name, CHECK_NULL);
328 BOXED_LONG(value, a.value);
329 vmAddresses->obj_at_put(i * 2, name());
330 vmAddresses->obj_at_put(i * 2 + 1, value);
331 }
332
333 // The last entry is the null entry.
334 len = (int) Flag::numFlags - 1;
335 objArrayHandle vmFlags = oopFactory::new_objArray(VMFlag::klass(), len, CHECK_NULL);
336 for (int i = 0; i < len; i++) {
337 Flag* flag = &Flag::flags[i];
338 instanceHandle vmFlagObj = InstanceKlass::cast(VMFlag::klass())->allocate_instance_handle(CHECK_NULL);
339 Handle name = java_lang_String::create_from_str(flag->_name, CHECK_NULL);
340 Handle type = java_lang_String::create_from_str(flag->_type, CHECK_NULL);
341 VMFlag::set_name(vmFlagObj, name());
342 VMFlag::set_type(vmFlagObj, type());
343 if (flag->is_bool()) {
344 BOXED_LONG(value, flag->get_bool());
345 VMFlag::set_value(vmFlagObj, value);
346 } else if (flag->is_ccstr()) {
347 Handle value = java_lang_String::create_from_str(flag->get_ccstr(), CHECK_NULL);
348 VMFlag::set_value(vmFlagObj, value());
349 } else if (flag->is_int()) {
350 BOXED_LONG(value, flag->get_int());
351 VMFlag::set_value(vmFlagObj, value);
352 } else if (flag->is_intx()) {
353 BOXED_LONG(value, flag->get_intx());
354 VMFlag::set_value(vmFlagObj, value);
355 } else if (flag->is_uint()) {
356 BOXED_LONG(value, flag->get_uint());
357 VMFlag::set_value(vmFlagObj, value);
358 } else if (flag->is_uint64_t()) {
359 BOXED_LONG(value, flag->get_uint64_t());
360 VMFlag::set_value(vmFlagObj, value);
361 } else if (flag->is_uintx()) {
362 BOXED_LONG(value, flag->get_uintx());
363 VMFlag::set_value(vmFlagObj, value);
364 } else if (flag->is_double()) {
365 BOXED_DOUBLE(value, flag->get_double());
366 VMFlag::set_value(vmFlagObj, value);
367 } else if (flag->is_size_t()) {
368 BOXED_LONG(value, flag->get_size_t());
369 VMFlag::set_value(vmFlagObj, value);
370 } else {
371 JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type);
372 }
373 vmFlags->obj_at_put(i, vmFlagObj());
374 }
375
376 objArrayHandle vmIntrinsics = CompilerToVM::initialize_intrinsics(CHECK_NULL);
377
378 objArrayOop data = oopFactory::new_objArray(SystemDictionary::Object_klass(), 6, CHECK_NULL);
379 data->obj_at_put(0, vmFields());
380 data->obj_at_put(1, vmTypes());
381 data->obj_at_put(2, vmConstants());
382 data->obj_at_put(3, vmAddresses());
383 data->obj_at_put(4, vmFlags());
384 data->obj_at_put(5, vmIntrinsics());
385
386 return (jobjectArray) JNIHandles::make_local(THREAD, data);
387 #undef BOXED_LONG
388 #undef BOXED_DOUBLE
389 C2V_END
390
391 C2V_VMENTRY(jbyteArray, getBytecode, (JNIEnv *, jobject, jobject jvmci_method))
392 methodHandle method = CompilerToVM::asMethod(jvmci_method);
393 ResourceMark rm;
394
395 int code_size = method->code_size();
396 typeArrayOop reconstituted_code = oopFactory::new_byteArray(code_size, CHECK_NULL);
397
398 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten");
399 // iterate over all bytecodes and replace non-Java bytecodes
400
401 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) {
402 Bytecodes::Code code = s.code();
403 Bytecodes::Code raw_code = s.raw_code();
404 int bci = s.bci();
405 int len = s.instruction_size();
406
407 // Restore original byte code.
408 reconstituted_code->byte_at_put(bci, (jbyte) (s.is_wide()? Bytecodes::_wide : code));
409 if (len > 1) {
410 memcpy(reconstituted_code->byte_at_addr(bci + 1), s.bcp()+1, len-1);
411 }
412
413 if (len > 1) {
414 // Restore the big-endian constant pool indexes.
415 // Cf. Rewriter::scan_method
416 switch (code) {
417 case Bytecodes::_getstatic:
418 case Bytecodes::_putstatic:
419 case Bytecodes::_getfield:
420 case Bytecodes::_putfield:
421 case Bytecodes::_invokevirtual:
422 case Bytecodes::_invokespecial:
423 case Bytecodes::_invokestatic:
424 case Bytecodes::_invokeinterface:
425 case Bytecodes::_invokehandle: {
426 int cp_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
427 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
428 break;
429 }
430
431 case Bytecodes::_invokedynamic:
432 int cp_index = Bytes::get_native_u4((address) reconstituted_code->byte_at_addr(bci + 1));
433 Bytes::put_Java_u4((address) reconstituted_code->byte_at_addr(bci + 1), (u4) cp_index);
434 break;
435 }
436
437 // Not all ldc byte code are rewritten.
438 switch (raw_code) {
439 case Bytecodes::_fast_aldc: {
440 int cpc_index = reconstituted_code->byte_at(bci + 1) & 0xff;
441 int cp_index = method->constants()->object_to_cp_index(cpc_index);
442 assert(cp_index < method->constants()->length(), "sanity check");
443 reconstituted_code->byte_at_put(bci + 1, (jbyte) cp_index);
444 break;
445 }
446
447 case Bytecodes::_fast_aldc_w: {
448 int cpc_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
449 int cp_index = method->constants()->object_to_cp_index(cpc_index);
450 assert(cp_index < method->constants()->length(), "sanity check");
451 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
452 break;
453 }
454 }
455 }
456 }
457
458 return (jbyteArray) JNIHandles::make_local(THREAD, reconstituted_code);
459 C2V_END
460
461 C2V_VMENTRY(jint, getExceptionTableLength, (JNIEnv *, jobject, jobject jvmci_method))
462 ResourceMark rm;
463 methodHandle method = CompilerToVM::asMethod(jvmci_method);
464 return method->exception_table_length();
465 C2V_END
466
467 C2V_VMENTRY(jlong, getExceptionTableStart, (JNIEnv *, jobject, jobject jvmci_method))
468 ResourceMark rm;
469 methodHandle method = CompilerToVM::asMethod(jvmci_method);
470 if (method->exception_table_length() == 0) {
471 return 0L;
472 }
473 return (jlong) (address) method->exception_table_start();
474 C2V_END
475
476 C2V_VMENTRY(jobject, asResolvedJavaMethod, (JNIEnv *, jobject, jobject executable_handle))
477 oop executable = JNIHandles::resolve(executable_handle);
478 oop mirror = NULL;
479 int slot = 0;
480
481 if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) {
482 mirror = java_lang_reflect_Constructor::clazz(executable);
483 slot = java_lang_reflect_Constructor::slot(executable);
484 } else {
485 assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type");
486 mirror = java_lang_reflect_Method::clazz(executable);
487 slot = java_lang_reflect_Method::slot(executable);
488 }
489 Klass* holder = java_lang_Class::as_Klass(mirror);
490 methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot);
491 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
492 return JNIHandles::make_local(THREAD, result);
493 }
494
495 C2V_VMENTRY(jobject, getResolvedJavaMethod, (JNIEnv *, jobject, jobject base, jlong offset))
496 methodHandle method;
497 oop base_object = JNIHandles::resolve(base);
498 if (base_object == NULL) {
499 method = *((Method**)(offset));
500 } else if (base_object->is_a(SystemDictionary::MemberName_klass())) {
501 method = (Method*) (intptr_t) base_object->long_field(offset);
502 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
503 method = *((Method**)(HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object) + offset));
504 } else {
505 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
506 err_msg("Unexpected type: %s", base_object->klass()->external_name()));
507 }
508 assert (method.is_null() || method->is_method(), "invalid read");
509 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
510 return JNIHandles::make_local(THREAD, result);
511 }
512
513 C2V_VMENTRY(jobject, getConstantPool, (JNIEnv *, jobject, jobject object_handle))
514 constantPoolHandle cp;
515 oop object = JNIHandles::resolve(object_handle);
516 if (object == NULL) {
517 THROW_0(vmSymbols::java_lang_NullPointerException());
518 }
519 if (object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
520 cp = CompilerToVM::asMethod(object)->constMethod()->constants();
521 } else if (object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
522 cp = InstanceKlass::cast(CompilerToVM::asKlass(object))->constants();
523 } else {
524 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
525 err_msg("Unexpected type: %s", object->klass()->external_name()));
526 }
527 assert(!cp.is_null(), "npe");
528 JavaValue method_result(T_OBJECT);
529 JavaCallArguments args;
530 args.push_long((jlong) (address) cp());
531 JavaCalls::call_static(&method_result, SystemDictionary::HotSpotConstantPool_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::constantPool_fromMetaspace_signature(), &args, CHECK_NULL);
532 return JNIHandles::make_local(THREAD, (oop)method_result.get_jobject());
533 }
534
535 C2V_VMENTRY(jobject, getResolvedJavaType, (JNIEnv *, jobject, jobject base, jlong offset, jboolean compressed))
536 KlassHandle klass;
537 oop base_object = JNIHandles::resolve(base);
538 jlong base_address = 0;
539 if (base_object != NULL && offset == oopDesc::klass_offset_in_bytes()) {
540 klass = base_object->klass();
541 } else if (!compressed) {
542 if (base_object != NULL) {
543 if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
544 base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object);
545 } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) {
546 base_address = HotSpotConstantPool::metaspaceConstantPool(base_object);
547 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
548 base_address = (jlong) CompilerToVM::asKlass(base_object);
549 } else if (base_object->is_a(SystemDictionary::Class_klass())) {
550 base_address = (jlong) (address) base_object;
551 } else {
552 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
553 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
554 }
555 }
556 klass = *((Klass**) (intptr_t) (base_address + offset));
557 } else {
558 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
559 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
560 }
561 assert (klass.is_null() || klass->is_klass(), "invalid read");
562 oop result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
563 return JNIHandles::make_local(THREAD, result);
564 }
565
566 C2V_VMENTRY(jobject, findUniqueConcreteMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
567 ResourceMark rm;
568 methodHandle method = CompilerToVM::asMethod(jvmci_method);
569 KlassHandle holder = CompilerToVM::asKlass(jvmci_type);
570 if (holder->is_interface()) {
571 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", holder->external_name()));
572 }
573
574 methodHandle ucm;
575 {
576 MutexLocker locker(Compile_lock);
577 ucm = Dependencies::find_unique_concrete_method(holder(), method());
578 }
579 oop result = CompilerToVM::get_jvmci_method(ucm, CHECK_NULL);
580 return JNIHandles::make_local(THREAD, result);
581 C2V_END
582
583 C2V_VMENTRY(jobject, getImplementor, (JNIEnv *, jobject, jobject jvmci_type))
584 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type);
585 oop implementor = CompilerToVM::get_jvmci_type(klass->implementor(), CHECK_NULL);
586 return JNIHandles::make_local(THREAD, implementor);
587 C2V_END
588
589 C2V_VMENTRY(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv *, jobject, jobject jvmci_method))
590 methodHandle method = CompilerToVM::asMethod(jvmci_method);
591 return method->is_ignored_by_security_stack_walk();
592 C2V_END
593
594 C2V_VMENTRY(jboolean, canInlineMethod,(JNIEnv *, jobject, jobject jvmci_method))
595 methodHandle method = CompilerToVM::asMethod(jvmci_method);
596 // In hosted mode ignore the not_compilable flags since they are never set by
597 // the JVMCI compiler.
598 bool is_compilable = UseJVMCICompiler ? !method->is_not_compilable(CompLevel_full_optimization) : true;
599 return is_compilable && !CompilerOracle::should_not_inline(method) && !method->dont_inline();
600 C2V_END
601
602 C2V_VMENTRY(jboolean, shouldInlineMethod,(JNIEnv *, jobject, jobject jvmci_method))
603 methodHandle method = CompilerToVM::asMethod(jvmci_method);
604 return CompilerOracle::should_inline(method) || method->force_inline();
605 C2V_END
606
607 C2V_VMENTRY(jobject, lookupType, (JNIEnv*, jobject, jstring jname, jclass accessing_class, jboolean resolve))
608 ResourceMark rm;
609 Handle name = JNIHandles::resolve(jname);
610 Symbol* class_name = java_lang_String::as_symbol(name, CHECK_0);
611 if (java_lang_String::length(name()) <= 1) {
612 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string()));
613 }
614
615 Klass* resolved_klass = NULL;
616 Handle class_loader;
617 Handle protection_domain;
618 if (JNIHandles::resolve(accessing_class) == NULL) {
619 THROW_0(vmSymbols::java_lang_NullPointerException());
620 }
621 Klass* accessing_klass = java_lang_Class::as_Klass(JNIHandles::resolve(accessing_class));
622 class_loader = accessing_klass->class_loader();
623 protection_domain = accessing_klass->protection_domain();
624
625 if (resolve) {
626 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0);
627 } else {
628 if (class_name->byte_at(0) == 'L' &&
629 class_name->byte_at(class_name->utf8_length()-1) == ';') {
630 // This is a name from a signature. Strip off the trimmings.
631 // Call recursive to keep scope of strippedsym.
632 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1,
633 class_name->utf8_length()-2,
634 CHECK_0);
635 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0);
636 } else if (FieldType::is_array(class_name)) {
637 FieldArrayInfo fd;
638 // dimension and object_key in FieldArrayInfo are assigned as a side-effect
639 // of this call
640 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0);
641 if (t == T_OBJECT) {
642 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(),
643 class_name->utf8_length()-2-fd.dimension(),
644 CHECK_0);
645 // naked oop "k" is OK here -- we assign back into it
646 resolved_klass = SystemDictionary::find(strippedsym,
647 class_loader,
648 protection_domain,
649 CHECK_0);
650 if (resolved_klass != NULL) {
651 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0);
652 }
653 } else {
654 resolved_klass = Universe::typeArrayKlassObj(t);
655 resolved_klass = TypeArrayKlass::cast(resolved_klass)->array_klass(fd.dimension(), CHECK_0);
656 }
657 }
658 }
659 Handle result = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
660 return JNIHandles::make_local(THREAD, result());
661 C2V_END
662
663 C2V_VMENTRY(jobject, resolveConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
664 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
665 oop result = cp->resolve_constant_at(index, CHECK_NULL);
666 return JNIHandles::make_local(THREAD, result);
667 C2V_END
668
669 C2V_VMENTRY(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
670 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
671 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL);
672 return JNIHandles::make_local(THREAD, result);
673 C2V_END
674
675 C2V_VMENTRY(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
676 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
677 return cp->name_and_type_ref_index_at(index);
678 C2V_END
679
680 C2V_VMENTRY(jobject, lookupNameInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
681 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
682 Handle sym = java_lang_String::create_from_symbol(cp->name_ref_at(which), CHECK_NULL);
683 return JNIHandles::make_local(THREAD, sym());
684 C2V_END
685
686 C2V_VMENTRY(jobject, lookupSignatureInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
687 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
688 Handle sym = java_lang_String::create_from_symbol(cp->signature_ref_at(which), CHECK_NULL);
689 return JNIHandles::make_local(THREAD, sym());
690 C2V_END
691
692 C2V_VMENTRY(jint, lookupKlassRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
693 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
694 return cp->klass_ref_index_at(index);
695 C2V_END
696
697 C2V_VMENTRY(jobject, resolveTypeInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
698 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
699 Klass* resolved_klass = cp->klass_at(index, CHECK_NULL);
700 Handle klass = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
701 return JNIHandles::make_local(THREAD, klass());
702 C2V_END
703
704 C2V_VMENTRY(jobject, lookupKlassInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
705 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
706 KlassHandle loading_klass(cp->pool_holder());
707 bool is_accessible = false;
708 KlassHandle klass = JVMCIEnv::get_klass_by_index(cp, index, is_accessible, loading_klass);
709 Symbol* symbol = NULL;
710 if (klass.is_null()) {
711 symbol = cp->klass_name_at(index);
712 }
713 Handle result;
714 if (!klass.is_null()) {
715 result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
716 } else {
717 result = java_lang_String::create_from_symbol(symbol, CHECK_NULL);
718 }
719 return JNIHandles::make_local(THREAD, result());
720 C2V_END
721
722 C2V_VMENTRY(jobject, lookupAppendixInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
723 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
724 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index);
725 return JNIHandles::make_local(THREAD, appendix_oop);
726 C2V_END
727
728 C2V_VMENTRY(jobject, lookupMethodInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
729 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
730 instanceKlassHandle pool_holder(cp->pool_holder());
731 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
732 methodHandle method = JVMCIEnv::get_method_by_index(cp, index, bc, pool_holder);
733 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
734 return JNIHandles::make_local(THREAD, result);
735 C2V_END
736
737 C2V_VMENTRY(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
738 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
739 return cp->remap_instruction_operand_from_cache(index);
740 C2V_END
741
742 C2V_VMENTRY(jobject, resolveFieldInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jlongArray info_handle))
743 ResourceMark rm;
744 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
745 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF);
746 fieldDescriptor fd;
747 LinkInfo link_info(cp, index, (jvmci_method != NULL) ? CompilerToVM::asMethod(jvmci_method) : NULL, CHECK_0);
748 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0);
749 typeArrayOop info = (typeArrayOop) JNIHandles::resolve(info_handle);
750 assert(info != NULL && info->length() == 2, "must be");
751 info->long_at_put(0, (jlong) fd.access_flags().as_int());
752 info->long_at_put(1, (jlong) fd.offset());
753 oop field_holder = CompilerToVM::get_jvmci_type(fd.field_holder(), CHECK_NULL);
754 return JNIHandles::make_local(THREAD, field_holder);
755 C2V_END
756
757 C2V_VMENTRY(jint, getVtableIndexForInterfaceMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
758 ResourceMark rm;
759 Klass* klass = CompilerToVM::asKlass(jvmci_type);
760 Method* method = CompilerToVM::asMethod(jvmci_method);
761 if (klass->is_interface()) {
762 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", klass->external_name()));
763 }
764 if (!method->method_holder()->is_interface()) {
765 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()));
766 }
767 if (!InstanceKlass::cast(klass)->is_linked()) {
768 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Class %s must be linked", klass->external_name()));
769 }
770 return LinkResolver::vtable_index_of_interface_method(klass, method);
771 C2V_END
772
773 C2V_VMENTRY(jobject, resolveMethod, (JNIEnv *, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type))
774 KlassHandle recv_klass = CompilerToVM::asKlass(receiver_jvmci_type);
775 KlassHandle caller_klass = CompilerToVM::asKlass(caller_jvmci_type);
776 methodHandle method = CompilerToVM::asMethod(jvmci_method);
777
778 KlassHandle h_resolved (THREAD, method->method_holder());
779 Symbol* h_name = method->name();
780 Symbol* h_signature = method->signature();
781
782 if (MethodHandles::is_signature_polymorphic_method(method())) {
783 // Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case.
784 return NULL;
785 }
786
787 LinkInfo link_info(h_resolved, h_name, h_signature, caller_klass);
788 methodHandle m;
789 // Only do exact lookup if receiver klass has been linked. Otherwise,
790 // the vtable has not been setup, and the LinkResolver will fail.
791 if (recv_klass->is_array_klass() ||
792 InstanceKlass::cast(recv_klass())->is_linked() && !recv_klass->is_interface()) {
793 if (h_resolved->is_interface()) {
794 m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info);
795 } else {
796 m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info);
797 }
798 }
799
800 if (m.is_null()) {
801 // Return NULL if there was a problem with lookup (uninitialized class, etc.)
802 return NULL;
803 }
804
805 oop result = CompilerToVM::get_jvmci_method(m, CHECK_NULL);
806 return JNIHandles::make_local(THREAD, result);
807 C2V_END
808
809 C2V_VMENTRY(jboolean, hasFinalizableSubclass,(JNIEnv *, jobject, jobject jvmci_type))
810 Klass* klass = CompilerToVM::asKlass(jvmci_type);
811 assert(klass != NULL, "method must not be called for primitive types");
812 return Dependencies::find_finalizable_subclass(klass) != NULL;
813 C2V_END
814
815 C2V_VMENTRY(jobject, getClassInitializer, (JNIEnv *, jobject, jobject jvmci_type))
816 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type);
817 oop result = CompilerToVM::get_jvmci_method(klass->class_initializer(), CHECK_NULL);
818 return JNIHandles::make_local(THREAD, result);
819 C2V_END
820
821 C2V_VMENTRY(jlong, getMaxCallTargetOffset, (JNIEnv*, jobject, jlong addr))
822 address target_addr = (address) addr;
823 if (target_addr != 0x0) {
824 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int));
825 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int));
826 return MAX2(ABS(off_low), ABS(off_high));
827 }
828 return -1;
829 C2V_END
830
831 C2V_VMENTRY(void, doNotInlineOrCompile,(JNIEnv *, jobject, jobject jvmci_method))
832 methodHandle method = CompilerToVM::asMethod(jvmci_method);
833 method->set_not_c1_compilable();
834 method->set_not_c2_compilable();
835 method->set_dont_inline(true);
836 C2V_END
837
838 C2V_VMENTRY(jint, installCode, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject installed_code, jobject speculation_log))
839 ResourceMark rm;
840 HandleMark hm;
841 Handle target_handle = JNIHandles::resolve(target);
842 Handle compiled_code_handle = JNIHandles::resolve(compiled_code);
843 CodeBlob* cb = NULL;
844 Handle installed_code_handle = JNIHandles::resolve(installed_code);
845 Handle speculation_log_handle = JNIHandles::resolve(speculation_log);
846
847 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK_JNI_ERR);
848
849 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer());
850 bool is_immutable_PIC = HotSpotCompiledCode::isImmutablePIC(compiled_code_handle) > 0;
851 CodeInstaller installer(is_immutable_PIC);
852 JVMCIEnv::CodeInstallResult result = installer.install(compiler, target_handle, compiled_code_handle, cb, installed_code_handle, speculation_log_handle, CHECK_0);
853
854 if (PrintCodeCacheOnCompilation) {
855 stringStream s;
856 // Dump code cache into a buffer before locking the tty,
857 {
858 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
859 CodeCache::print_summary(&s, false);
860 }
861 ttyLocker ttyl;
862 tty->print_raw_cr(s.as_string());
863 }
864
865 if (result != JVMCIEnv::ok) {
866 assert(cb == NULL, "should be");
867 } else {
868 if (!installed_code_handle.is_null()) {
869 assert(installed_code_handle->is_a(InstalledCode::klass()), "wrong type");
870 nmethod::invalidate_installed_code(installed_code_handle, CHECK_0);
871 {
872 // Ensure that all updates to the InstalledCode fields are consistent.
873 MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag);
874 InstalledCode::set_address(installed_code_handle, (jlong) cb);
875 InstalledCode::set_version(installed_code_handle, InstalledCode::version(installed_code_handle) + 1);
876 if (cb->is_nmethod()) {
877 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->as_nmethod_or_null()->verified_entry_point());
878 } else {
879 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->code_begin());
880 }
881 if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) {
882 HotSpotInstalledCode::set_size(installed_code_handle, cb->size());
883 HotSpotInstalledCode::set_codeStart(installed_code_handle, (jlong) cb->code_begin());
884 HotSpotInstalledCode::set_codeSize(installed_code_handle, cb->code_size());
885 }
886 }
887 nmethod* nm = cb->as_nmethod_or_null();
888 if (nm != NULL && installed_code_handle->is_scavengable()) {
889 assert(nm->detect_scavenge_root_oops(), "nm should be scavengable if installed_code is scavengable");
890 if (!UseG1GC) {
891 assert(nm->on_scavenge_root_list(), "nm should be on scavengable list");
892 }
893 }
894 }
895 }
896 return result;
897 C2V_END
898
899 C2V_VMENTRY(jint, getMetadata, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject metadata))
900 ResourceMark rm;
901 HandleMark hm;
902
903 Handle target_handle = JNIHandles::resolve(target);
904 Handle compiled_code_handle = JNIHandles::resolve(compiled_code);
905 Handle metadata_handle = JNIHandles::resolve(metadata);
906
907 CodeMetadata code_metadata;
908 CodeBlob *cb = NULL;
909 CodeInstaller installer(true /* immutable PIC compilation */);
910
911 JVMCIEnv::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, CHECK_0);
912 if (result != JVMCIEnv::ok) {
913 return result;
914 }
915
916 if (code_metadata.get_nr_pc_desc() > 0) {
917 typeArrayHandle pcArrayOop = oopFactory::new_byteArray(sizeof(PcDesc) * code_metadata.get_nr_pc_desc(), CHECK_(JVMCIEnv::cache_full));
918 memcpy(pcArrayOop->byte_at_addr(0), code_metadata.get_pc_desc(), sizeof(PcDesc) * code_metadata.get_nr_pc_desc());
919 HotSpotMetaData::set_pcDescBytes(metadata_handle, pcArrayOop());
920 }
921
922 if (code_metadata.get_scopes_size() > 0) {
923 typeArrayHandle scopesArrayOop = oopFactory::new_byteArray(code_metadata.get_scopes_size(), CHECK_(JVMCIEnv::cache_full));
924 memcpy(scopesArrayOop->byte_at_addr(0), code_metadata.get_scopes_desc(), code_metadata.get_scopes_size());
925 HotSpotMetaData::set_scopesDescBytes(metadata_handle, scopesArrayOop());
926 }
927
928 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer();
929 typeArrayHandle relocArrayOop = oopFactory::new_byteArray((int) reloc_buffer->size(), CHECK_(JVMCIEnv::cache_full));
930 if (reloc_buffer->size() > 0) {
931 memcpy(relocArrayOop->byte_at_addr(0), reloc_buffer->begin(), reloc_buffer->size());
932 }
933 HotSpotMetaData::set_relocBytes(metadata_handle, relocArrayOop());
934
935 const OopMapSet* oopMapSet = installer.oopMapSet();
936 {
937 ResourceMark mark;
938 ImmutableOopMapBuilder builder(oopMapSet);
939 int oopmap_size = builder.heap_size();
940 typeArrayHandle oopMapArrayHandle = oopFactory::new_byteArray(oopmap_size, CHECK_(JVMCIEnv::cache_full));
941 builder.generate_into((address) oopMapArrayHandle->byte_at_addr(0));
942 HotSpotMetaData::set_oopMaps(metadata_handle, oopMapArrayHandle());
943 }
944
945 AOTOopRecorder* recorder = code_metadata.get_oop_recorder();
946
947 int nr_meta_strings = recorder->nr_meta_strings();
948 objArrayHandle metadataArrayHandle = oopFactory::new_objectArray(nr_meta_strings, CHECK_(JVMCIEnv::cache_full));
949 for (int i = 0; i < nr_meta_strings; ++i) {
950 const char* element = recorder->meta_element(i);
951 Handle java_string = java_lang_String::create_from_str(element, CHECK_(JVMCIEnv::cache_full));
952 metadataArrayHandle->obj_at_put(i, java_string());
953 }
954 HotSpotMetaData::set_metadata(metadata_handle, metadataArrayHandle());
955
956 ExceptionHandlerTable* handler = code_metadata.get_exception_table();
957 int table_size = handler->size_in_bytes();
958 typeArrayHandle exceptionArrayOop = oopFactory::new_byteArray(table_size, CHECK_(JVMCIEnv::cache_full));
959
960 if (table_size > 0) {
961 handler->copy_bytes_to((address) exceptionArrayOop->byte_at_addr(0));
962 }
963 HotSpotMetaData::set_exceptionBytes(metadata_handle, exceptionArrayOop());
964
965 return result;
966 C2V_END
967
968 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv *jniEnv, jobject))
969 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK);
970 CompilerStatistics* stats = compiler->stats();
971 stats->_standard.reset();
972 stats->_osr.reset();
973 C2V_END
974
975 C2V_VMENTRY(jobject, disassembleCodeBlob, (JNIEnv *jniEnv, jobject, jobject installedCode))
976 ResourceMark rm;
977 HandleMark hm;
978
979 if (installedCode == NULL) {
980 THROW_MSG_NULL(vmSymbols::java_lang_NullPointerException(), "installedCode is null");
981 }
982
983 jlong codeBlob = InstalledCode::address(installedCode);
984 if (codeBlob == 0L) {
985 return NULL;
986 }
987
988 CodeBlob* cb = (CodeBlob*) (address) codeBlob;
989 if (cb == NULL) {
990 return NULL;
991 }
992
993 // We don't want the stringStream buffer to resize during disassembly as it
994 // uses scoped resource memory. If a nested function called during disassembly uses
995 // a ResourceMark and the buffer expands within the scope of the mark,
996 // the buffer becomes garbage when that scope is exited. Experience shows that
997 // the disassembled code is typically about 10x the code size so a fixed buffer
998 // sized to 20x code size plus a fixed amount for header info should be sufficient.
999 int bufferSize = cb->code_size() * 20 + 1024;
1000 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize);
1001 stringStream st(buffer, bufferSize);
1002 if (cb->is_nmethod()) {
1003 nmethod* nm = (nmethod*) cb;
1004 if (!nm->is_alive()) {
1005 return NULL;
1006 }
1007 }
1008 Disassembler::decode(cb, &st);
1009 if (st.size() <= 0) {
1010 return NULL;
1011 }
1012
1013 Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL);
1014 return JNIHandles::make_local(THREAD, result());
1015 C2V_END
1016
1017 C2V_VMENTRY(jobject, getStackTraceElement, (JNIEnv*, jobject, jobject jvmci_method, int bci))
1018 ResourceMark rm;
1019 HandleMark hm;
1020
1021 methodHandle method = CompilerToVM::asMethod(jvmci_method);
1022 oop element = java_lang_StackTraceElement::create(method, bci, CHECK_NULL);
1023 return JNIHandles::make_local(THREAD, element);
1024 C2V_END
1025
1026 C2V_VMENTRY(jobject, executeInstalledCode, (JNIEnv*, jobject, jobject args, jobject hotspotInstalledCode))
1027 ResourceMark rm;
1028 HandleMark hm;
1029
1030 jlong nmethodValue = InstalledCode::address(hotspotInstalledCode);
1031 if (nmethodValue == 0L) {
1032 THROW_NULL(vmSymbols::jdk_vm_ci_code_InvalidInstalledCodeException());
1033 }
1034 nmethod* nm = (nmethod*) (address) nmethodValue;
1035 methodHandle mh = nm->method();
1036 Symbol* signature = mh->signature();
1037 JavaCallArguments jca(mh->size_of_parameters());
1038
1039 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
1040 JavaValue result(jap.get_ret_type());
1041 jca.set_alternative_target(nm);
1042 JavaCalls::call(&result, mh, &jca, CHECK_NULL);
1043
1044 if (jap.get_ret_type() == T_VOID) {
1045 return NULL;
1046 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) {
1047 return JNIHandles::make_local(THREAD, (oop) result.get_jobject());
1048 } else {
1049 jvalue *value = (jvalue *) result.get_value_addr();
1050 // Narrow the value down if required (Important on big endian machines)
1051 switch (jap.get_ret_type()) {
1052 case T_BOOLEAN:
1053 value->z = (jboolean) value->i;
1054 break;
1055 case T_BYTE:
1056 value->b = (jbyte) value->i;
1057 break;
1058 case T_CHAR:
1059 value->c = (jchar) value->i;
1060 break;
1061 case T_SHORT:
1062 value->s = (jshort) value->i;
1063 break;
1064 }
1065 oop o = java_lang_boxing_object::create(jap.get_ret_type(), value, CHECK_NULL);
1066 return JNIHandles::make_local(THREAD, o);
1067 }
1068 C2V_END
1069
1070 C2V_VMENTRY(jlongArray, getLineNumberTable, (JNIEnv *, jobject, jobject jvmci_method))
1071 Method* method = CompilerToVM::asMethod(jvmci_method);
1072 if (!method->has_linenumber_table()) {
1073 return NULL;
1074 }
1075 u2 num_entries = 0;
1076 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
1077 while (streamForSize.read_pair()) {
1078 num_entries++;
1079 }
1080
1081 CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
1082 typeArrayOop result = oopFactory::new_longArray(2 * num_entries, CHECK_NULL);
1083
1084 int i = 0;
1085 jlong value;
1086 while (stream.read_pair()) {
1087 value = ((long) stream.bci());
1088 result->long_at_put(i, value);
1089 value = ((long) stream.line());
1090 result->long_at_put(i + 1, value);
1091 i += 2;
1092 }
1093
1094 return (jlongArray) JNIHandles::make_local(THREAD, result);
1095 C2V_END
1096
1097 C2V_VMENTRY(jlong, getLocalVariableTableStart, (JNIEnv *, jobject, jobject jvmci_method))
1098 ResourceMark rm;
1099 Method* method = CompilerToVM::asMethod(jvmci_method);
1100 if (!method->has_localvariable_table()) {
1101 return 0;
1102 }
1103 return (jlong) (address) method->localvariable_table_start();
1104 C2V_END
1105
1106 C2V_VMENTRY(jint, getLocalVariableTableLength, (JNIEnv *, jobject, jobject jvmci_method))
1107 ResourceMark rm;
1108 Method* method = CompilerToVM::asMethod(jvmci_method);
1109 return method->localvariable_table_length();
1110 C2V_END
1111
1112 C2V_VMENTRY(void, reprofile, (JNIEnv*, jobject, jobject jvmci_method))
1113 Method* method = CompilerToVM::asMethod(jvmci_method);
1114 MethodCounters* mcs = method->method_counters();
1115 if (mcs != NULL) {
1116 mcs->clear_counters();
1117 }
1118 NOT_PRODUCT(method->set_compiled_invocation_count(0));
1119
1120 CompiledMethod* code = method->code();
1121 if (code != NULL) {
1122 code->make_not_entrant();
1123 }
1124
1125 MethodData* method_data = method->method_data();
1126 if (method_data == NULL) {
1127 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
1128 method_data = MethodData::allocate(loader_data, method, CHECK);
1129 method->set_method_data(method_data);
1130 } else {
1131 method_data->initialize();
1132 }
1133 C2V_END
1134
1135
1136 C2V_VMENTRY(void, invalidateInstalledCode, (JNIEnv*, jobject, jobject installed_code))
1137 Handle installed_code_handle = JNIHandles::resolve(installed_code);
1138 nmethod::invalidate_installed_code(installed_code_handle, CHECK);
1139 C2V_END
1140
1141 C2V_VMENTRY(jlongArray, collectCounters, (JNIEnv*, jobject))
1142 typeArrayOop arrayOop = oopFactory::new_longArray(JVMCICounterSize, CHECK_NULL);
1143 JavaThread::collect_counters(arrayOop);
1144 return (jlongArray) JNIHandles::make_local(THREAD, arrayOop);
1145 C2V_END
1146
1147 C2V_VMENTRY(int, allocateCompileId, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci))
1148 HandleMark hm;
1149 ResourceMark rm;
1150 if (JNIHandles::resolve(jvmci_method) == NULL) {
1151 THROW_0(vmSymbols::java_lang_NullPointerException());
1152 }
1153 Method* method = CompilerToVM::asMethod(jvmci_method);
1154 if (entry_bci >= method->code_size() || entry_bci < -1) {
1155 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Unexpected bci %d", entry_bci));
1156 }
1157 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
1158 C2V_END
1159
1160
1161 C2V_VMENTRY(jboolean, isMature, (JNIEnv*, jobject, jlong metaspace_method_data))
1162 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1163 return mdo != NULL && mdo->is_mature();
1164 C2V_END
1165
1166 C2V_VMENTRY(jboolean, hasCompiledCodeForOSR, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci, int comp_level))
1167 Method* method = CompilerToVM::asMethod(jvmci_method);
1168 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
1169 C2V_END
1170
1171 C2V_VMENTRY(jobject, getSymbol, (JNIEnv*, jobject, jlong symbol))
1172 Handle sym = java_lang_String::create_from_symbol((Symbol*)(address)symbol, CHECK_NULL);
1173 return JNIHandles::make_local(THREAD, sym());
1174 C2V_END
1175
1176 bool matches(jobjectArray methods, Method* method) {
1177 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods);
1178
1179 for (int i = 0; i < methods_oop->length(); i++) {
1180 oop resolved = methods_oop->obj_at(i);
1181 if (resolved->is_a(HotSpotResolvedJavaMethodImpl::klass()) && CompilerToVM::asMethod(resolved) == method) {
1182 return true;
1183 }
1184 }
1185 return false;
1186 }
1187
1188 C2V_VMENTRY(jobject, getNextStackFrame, (JNIEnv*, jobject compilerToVM, jobject hs_frame, jobjectArray methods, jint initialSkip))
1189 ResourceMark rm;
1190
1191 if (!thread->has_last_Java_frame()) return NULL;
1192 Handle result = HotSpotStackFrameReference::klass()->allocate_instance(thread);
1193 HotSpotStackFrameReference::klass()->initialize(thread);
1194
1195 StackFrameStream fst(thread);
1196 if (hs_frame != NULL) {
1197 // look for the correct stack frame if one is given
1198 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1199 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1200 fst.next();
1201 }
1202 if (fst.current()->sp() != stack_pointer) {
1203 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1204 }
1205 }
1206
1207 int frame_number = 0;
1208 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1209 if (hs_frame != NULL) {
1210 // look for the correct vframe within the stack frame if one is given
1211 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1212 while (frame_number < last_frame_number) {
1213 if (vf->is_top()) {
1214 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1215 }
1216 vf = vf->sender();
1217 frame_number ++;
1218 }
1219 // move one frame forward
1220 if (vf->is_top()) {
1221 if (fst.is_done()) {
1222 return NULL;
1223 }
1224 fst.next();
1225 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1226 frame_number = 0;
1227 } else {
1228 vf = vf->sender();
1229 frame_number++;
1230 }
1231 }
1232
1233 while (true) {
1234 // look for the given method
1235 while (true) {
1236 StackValueCollection* locals = NULL;
1237 if (vf->is_compiled_frame()) {
1238 // compiled method frame
1239 compiledVFrame* cvf = compiledVFrame::cast(vf);
1240 if (methods == NULL || matches(methods, cvf->method())) {
1241 if (initialSkip > 0) {
1242 initialSkip --;
1243 } else {
1244 ScopeDesc* scope = cvf->scope();
1245 // native wrapper do not have a scope
1246 if (scope != NULL && scope->objects() != NULL) {
1247 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), scope->objects(), THREAD);
1248 Deoptimization::reassign_fields(fst.current(), fst.register_map(), scope->objects(), realloc_failures, false);
1249
1250 GrowableArray<ScopeValue*>* local_values = scope->locals();
1251 typeArrayHandle array = oopFactory::new_boolArray(local_values->length(), thread);
1252 for (int i = 0; i < local_values->length(); i++) {
1253 ScopeValue* value = local_values->at(i);
1254 if (value->is_object()) {
1255 array->bool_at_put(i, true);
1256 }
1257 }
1258 HotSpotStackFrameReference::set_localIsVirtual(result, array());
1259 } else {
1260 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1261 }
1262
1263 locals = cvf->locals();
1264 HotSpotStackFrameReference::set_bci(result, cvf->bci());
1265 oop method = CompilerToVM::get_jvmci_method(cvf->method(), CHECK_NULL);
1266 HotSpotStackFrameReference::set_method(result, method);
1267 }
1268 }
1269 } else if (vf->is_interpreted_frame()) {
1270 // interpreted method frame
1271 interpretedVFrame* ivf = interpretedVFrame::cast(vf);
1272 if (methods == NULL || matches(methods, ivf->method())) {
1273 if (initialSkip > 0) {
1274 initialSkip --;
1275 } else {
1276 locals = ivf->locals();
1277 HotSpotStackFrameReference::set_bci(result, ivf->bci());
1278 oop method = CompilerToVM::get_jvmci_method(ivf->method(), CHECK_NULL);
1279 HotSpotStackFrameReference::set_method(result, method);
1280 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1281 }
1282 }
1283 }
1284
1285 // locals != NULL means that we found a matching frame and result is already partially initialized
1286 if (locals != NULL) {
1287 HotSpotStackFrameReference::set_compilerToVM(result, JNIHandles::resolve(compilerToVM));
1288 HotSpotStackFrameReference::set_stackPointer(result, (jlong) fst.current()->sp());
1289 HotSpotStackFrameReference::set_frameNumber(result, frame_number);
1290
1291 // initialize the locals array
1292 objArrayHandle array = oopFactory::new_objectArray(locals->size(), thread);
1293 for (int i = 0; i < locals->size(); i++) {
1294 StackValue* var = locals->at(i);
1295 if (var->type() == T_OBJECT) {
1296 array->obj_at_put(i, locals->at(i)->get_obj()());
1297 }
1298 }
1299 HotSpotStackFrameReference::set_locals(result, array());
1300
1301 return JNIHandles::make_local(thread, result());
1302 }
1303
1304 if (vf->is_top()) {
1305 break;
1306 }
1307 frame_number++;
1308 vf = vf->sender();
1309 } // end of vframe loop
1310
1311 if (fst.is_done()) {
1312 break;
1313 }
1314 fst.next();
1315 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1316 frame_number = 0;
1317 } // end of frame loop
1318
1319 // the end was reached without finding a matching method
1320 return NULL;
1321 C2V_END
1322
1323 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1324 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1325 CallInfo callInfo;
1326 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK);
1327 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index);
1328 cp_cache_entry->set_dynamic_call(cp, callInfo);
1329 C2V_END
1330
1331 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1332 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1333 KlassHandle holder = cp->klass_ref_at(index, CHECK);
1334 Symbol* name = cp->name_ref_at(index);
1335 if (MethodHandles::is_signature_polymorphic_name(holder(), name)) {
1336 CallInfo callInfo;
1337 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK);
1338 ConstantPoolCacheEntry* cp_cache_entry = cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1339 cp_cache_entry->set_method_handle(cp, callInfo);
1340 }
1341 C2V_END
1342
1343 C2V_VMENTRY(jobject, getSignaturePolymorphicHolders, (JNIEnv*, jobject))
1344 objArrayHandle holders = oopFactory::new_objArray(SystemDictionary::String_klass(), 2, CHECK_NULL);
1345 Handle mh = java_lang_String::create_from_str("Ljava/lang/invoke/MethodHandle;", CHECK_NULL);
1346 Handle vh = java_lang_String::create_from_str("Ljava/lang/invoke/VarHandle;", CHECK_NULL);
1347 holders->obj_at_put(0, mh());
1348 holders->obj_at_put(1, vh());
1349 return JNIHandles::make_local(THREAD, holders());
1350 C2V_END
1351
1352 C2V_VMENTRY(jboolean, shouldDebugNonSafepoints, (JNIEnv*, jobject))
1353 //see compute_recording_non_safepoints in debugInfroRec.cpp
1354 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
1355 return true;
1356 }
1357 return DebugNonSafepoints;
1358 C2V_END
1359
1360 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate);
1361 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv*, jobject, jobject hs_frame, bool invalidate))
1362 ResourceMark rm;
1363
1364 if (hs_frame == NULL) {
1365 THROW_MSG(vmSymbols::java_lang_NullPointerException(), "stack frame is null")
1366 }
1367
1368 HotSpotStackFrameReference::klass()->initialize(thread);
1369
1370 // look for the given stack frame
1371 StackFrameStream fst(thread);
1372 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1373 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1374 fst.next();
1375 }
1376 if (fst.current()->sp() != stack_pointer) {
1377 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1378 }
1379
1380 if (invalidate) {
1381 if (!fst.current()->is_compiled_frame()) {
1382 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1383 }
1384 assert(fst.current()->cb()->is_nmethod(), "nmethod expected");
1385 ((nmethod*) fst.current()->cb())->make_not_entrant();
1386 }
1387 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none);
1388 // look for the frame again as it has been updated by deopt (pc, deopt state...)
1389 StackFrameStream fstAfterDeopt(thread);
1390 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) {
1391 fstAfterDeopt.next();
1392 }
1393 if (fstAfterDeopt.current()->sp() != stack_pointer) {
1394 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1395 }
1396
1397 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
1398 if (!vf->is_compiled_frame()) {
1399 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1400 }
1401
1402 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10);
1403 while (true) {
1404 assert(vf->is_compiled_frame(), "Wrong frame type");
1405 virtualFrames->push(compiledVFrame::cast(vf));
1406 if (vf->is_top()) {
1407 break;
1408 }
1409 vf = vf->sender();
1410 }
1411
1412 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1413 if (last_frame_number >= virtualFrames->length()) {
1414 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1415 }
1416
1417 // Reallocate the non-escaping objects and restore their fields.
1418 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope");
1419 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
1420
1421 if (objects == NULL) {
1422 // no objects to materialize
1423 return;
1424 }
1425
1426 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), objects, THREAD);
1427 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false);
1428
1429 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
1430 compiledVFrame* cvf = virtualFrames->at(frame_index);
1431
1432 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals();
1433 StackValueCollection* locals = cvf->locals();
1434
1435 if (locals != NULL) {
1436 for (int i2 = 0; i2 < locals->size(); i2++) {
1437 StackValue* var = locals->at(i2);
1438 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) {
1439 jvalue val;
1440 val.l = (jobject) locals->at(i2)->get_obj()();
1441 cvf->update_local(T_OBJECT, i2, val);
1442 }
1443 }
1444 }
1445 }
1446
1447 // all locals are materialized by now
1448 HotSpotStackFrameReference::set_localIsVirtual(hs_frame, NULL);
1449
1450 // update the locals array
1451 objArrayHandle array = HotSpotStackFrameReference::locals(hs_frame);
1452 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals();
1453 for (int i = 0; i < locals->size(); i++) {
1454 StackValue* var = locals->at(i);
1455 if (var->type() == T_OBJECT) {
1456 array->obj_at_put(i, locals->at(i)->get_obj()());
1457 }
1458 }
1459 C2V_END
1460
1461 C2V_VMENTRY(void, writeDebugOutput, (JNIEnv*, jobject, jbyteArray bytes, jint offset, jint length))
1462 if (bytes == NULL) {
1463 THROW(vmSymbols::java_lang_NullPointerException());
1464 }
1465 typeArrayOop array = (typeArrayOop) JNIHandles::resolve(bytes);
1466
1467 // Check if offset and length are non negative.
1468 if (offset < 0 || length < 0) {
1469 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1470 }
1471 // Check if the range is valid.
1472 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array->length())) {
1473 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1474 }
1475 while (length > 0) {
1476 jbyte* start = array->byte_at_addr(offset);
1477 tty->write((char*) start, MIN2(length, O_BUFLEN));
1478 length -= O_BUFLEN;
1479 offset += O_BUFLEN;
1480 }
1481 C2V_END
1482
1483 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv*, jobject))
1484 tty->flush();
1485 C2V_END
1486
1487 C2V_VMENTRY(int, methodDataProfileDataSize, (JNIEnv*, jobject, jlong metaspace_method_data, jint position))
1488 ResourceMark rm;
1489 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1490 ProfileData* profile_data = mdo->data_at(position);
1491 if (mdo->is_valid(profile_data)) {
1492 return profile_data->size_in_bytes();
1493 }
1494 DataLayout* data = mdo->extra_data_base();
1495 DataLayout* end = mdo->extra_data_limit();
1496 for (;; data = mdo->next_extra(data)) {
1497 assert(data < end, "moved past end of extra data");
1498 profile_data = data->data_in();
1499 if (mdo->dp_to_di(profile_data->dp()) == position) {
1500 return profile_data->size_in_bytes();
1501 }
1502 }
1503 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Invalid profile data position %d", position));
1504 C2V_END
1505
1506 C2V_VMENTRY(jlong, getFingerprint, (JNIEnv*, jobject, jlong metaspace_klass))
1507 Klass *k = CompilerToVM::asKlass(metaspace_klass);
1508 if (k->is_instance_klass()) {
1509 return InstanceKlass::cast(k)->get_stored_fingerprint();
1510 } else {
1511 return 0;
1512 }
1513 C2V_END
1514
1515 C2V_VMENTRY(int, interpreterFrameSize, (JNIEnv*, jobject, jobject bytecode_frame_handle))
1516 if (bytecode_frame_handle == NULL) {
1517 THROW_0(vmSymbols::java_lang_NullPointerException());
1518 }
1519
1520 oop top_bytecode_frame = JNIHandles::resolve_non_null(bytecode_frame_handle);
1521 oop bytecode_frame = top_bytecode_frame;
1522 int size = 0;
1523 int callee_parameters = 0;
1524 int callee_locals = 0;
1525 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1526 int extra_args = method->max_stack() - BytecodeFrame::numStack(bytecode_frame);
1527
1528 while (bytecode_frame != NULL) {
1529 int locks = BytecodeFrame::numLocks(bytecode_frame);
1530 int temps = BytecodeFrame::numStack(bytecode_frame);
1531 bool is_top_frame = (bytecode_frame == top_bytecode_frame);
1532 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1533
1534 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(),
1535 temps + callee_parameters,
1536 extra_args,
1537 locks,
1538 callee_parameters,
1539 callee_locals,
1540 is_top_frame);
1541 size += frame_size;
1542
1543 callee_parameters = method->size_of_parameters();
1544 callee_locals = method->max_locals();
1545 extra_args = 0;
1546 bytecode_frame = BytecodePosition::caller(bytecode_frame);
1547 }
1548 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
1549 C2V_END
1550
1551 C2V_VMENTRY(void, compileToBytecode, (JNIEnv*, jobject, jobject lambda_form_handle))
1552 Handle lambda_form = JNIHandles::resolve_non_null(lambda_form_handle);
1553 if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) {
1554 TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode", CHECK);
1555 JavaValue result(T_VOID);
1556 JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK);
1557 } else {
1558 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
1559 err_msg("Unexpected type: %s", lambda_form->klass()->external_name()));
1560 }
1561 C2V_END
1562
1563 #define CC (char*) /*cast a literal from (const char*)*/
1564 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
1565
1566 #define STRING "Ljava/lang/String;"
1567 #define OBJECT "Ljava/lang/Object;"
1568 #define CLASS "Ljava/lang/Class;"
1569 #define EXECUTABLE "Ljava/lang/reflect/Executable;"
1570 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;"
1571 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;"
1572 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;"
1573 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;"
1574 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;"
1575 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;"
1576 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;"
1577 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;"
1578 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;"
1579 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;"
1580 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;"
1581 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;"
1582 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;"
1583 #define METASPACE_METHOD_DATA "J"
1584
1585 JNINativeMethod CompilerToVM::methods[] = {
1586 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)},
1587 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)},
1588 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)},
1589 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)},
1590 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)},
1591 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)},
1592 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)},
1593 {CC "doNotInlineOrCompile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(doNotInlineOrCompile)},
1594 {CC "canInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(canInlineMethod)},
1595 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)},
1596 {CC "lookupType", CC "(" STRING CLASS "Z)" HS_RESOLVED_KLASS, FN_PTR(lookupType)},
1597 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)},
1598 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)},
1599 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)},
1600 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)},
1601 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)},
1602 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(lookupAppendixInPool)},
1603 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)},
1604 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)},
1605 {CC "resolveConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolveConstantInPool)},
1606 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolvePossiblyCachedConstantInPool)},
1607 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)},
1608 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[J)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)},
1609 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)},
1610 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)},
1611 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
1612 {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)},
1613 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)},
1614 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)},
1615 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)},
1616 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)},
1617 {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)},
1618 {CC "getResolvedJavaMethod", CC "(Ljava/lang/Object;J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)},
1619 {CC "getConstantPool", CC "(Ljava/lang/Object;)" HS_CONSTANT_POOL, FN_PTR(getConstantPool)},
1620 {CC "getResolvedJavaType", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType)},
1621 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)},
1622 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE HS_SPECULATION_LOG ")I", FN_PTR(installCode)},
1623 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)},
1624 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)},
1625 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)},
1626 {CC "executeInstalledCode", CC "([" OBJECT INSTALLED_CODE ")" OBJECT, FN_PTR(executeInstalledCode)},
1627 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)},
1628 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)},
1629 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)},
1630 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)},
1631 {CC "invalidateInstalledCode", CC "(" INSTALLED_CODE ")V", FN_PTR(invalidateInstalledCode)},
1632 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)},
1633 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)},
1634 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)},
1635 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)},
1636 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)},
1637 {CC "getNextStackFrame", CC "(" HS_STACK_FRAME_REF "[" RESOLVED_METHOD "I)" HS_STACK_FRAME_REF, FN_PTR(getNextStackFrame)},
1638 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)},
1639 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)},
1640 {CC "writeDebugOutput", CC "([BII)V", FN_PTR(writeDebugOutput)},
1641 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)},
1642 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)},
1643 {CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)},
1644 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)},
1645 {CC "compileToBytecode", CC "(" OBJECT ")V", FN_PTR(compileToBytecode)},
1646 };
1647
1648 int CompilerToVM::methods_count() {
1649 return sizeof(methods) / sizeof(JNINativeMethod);
1650 }