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, isCompilable,(JNIEnv *, jobject, jobject jvmci_method))
595 methodHandle method = CompilerToVM::asMethod(jvmci_method);
596 // Ignore the not_compilable flags in hosted mode since they are never set by
597 // the JVMCI compiler.
598 return UseJVMCICompiler || !method->is_not_compilable(CompLevel_full_optimization);
599 C2V_END
600
601 C2V_VMENTRY(jboolean, hasNeverInlineDirective,(JNIEnv *, jobject, jobject jvmci_method))
602 methodHandle method = CompilerToVM::asMethod(jvmci_method);
603 return CompilerOracle::should_not_inline(method) || method->dont_inline();
604 C2V_END
605
606 C2V_VMENTRY(jboolean, shouldInlineMethod,(JNIEnv *, jobject, jobject jvmci_method))
607 methodHandle method = CompilerToVM::asMethod(jvmci_method);
608 return CompilerOracle::should_inline(method) || method->force_inline();
609 C2V_END
610
611 C2V_VMENTRY(jobject, lookupType, (JNIEnv*, jobject, jstring jname, jclass accessing_class, jboolean resolve))
612 ResourceMark rm;
613 Handle name = JNIHandles::resolve(jname);
614 Symbol* class_name = java_lang_String::as_symbol(name, CHECK_0);
615 if (java_lang_String::length(name()) <= 1) {
616 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string()));
617 }
618
619 Klass* resolved_klass = NULL;
620 Handle class_loader;
621 Handle protection_domain;
622 if (JNIHandles::resolve(accessing_class) == NULL) {
623 THROW_0(vmSymbols::java_lang_NullPointerException());
624 }
625 Klass* accessing_klass = java_lang_Class::as_Klass(JNIHandles::resolve(accessing_class));
626 class_loader = accessing_klass->class_loader();
627 protection_domain = accessing_klass->protection_domain();
628
629 if (resolve) {
630 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0);
631 } else {
632 if (class_name->byte_at(0) == 'L' &&
633 class_name->byte_at(class_name->utf8_length()-1) == ';') {
634 // This is a name from a signature. Strip off the trimmings.
635 // Call recursive to keep scope of strippedsym.
636 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1,
637 class_name->utf8_length()-2,
638 CHECK_0);
639 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0);
640 } else if (FieldType::is_array(class_name)) {
641 FieldArrayInfo fd;
642 // dimension and object_key in FieldArrayInfo are assigned as a side-effect
643 // of this call
644 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0);
645 if (t == T_OBJECT) {
646 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(),
647 class_name->utf8_length()-2-fd.dimension(),
648 CHECK_0);
649 // naked oop "k" is OK here -- we assign back into it
650 resolved_klass = SystemDictionary::find(strippedsym,
651 class_loader,
652 protection_domain,
653 CHECK_0);
654 if (resolved_klass != NULL) {
655 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0);
656 }
657 } else {
658 resolved_klass = Universe::typeArrayKlassObj(t);
659 resolved_klass = TypeArrayKlass::cast(resolved_klass)->array_klass(fd.dimension(), CHECK_0);
660 }
661 }
662 }
663 Handle result = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
664 return JNIHandles::make_local(THREAD, result());
665 C2V_END
666
667 C2V_VMENTRY(jobject, resolveConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
668 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
669 oop result = cp->resolve_constant_at(index, CHECK_NULL);
670 return JNIHandles::make_local(THREAD, result);
671 C2V_END
672
673 C2V_VMENTRY(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
674 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
675 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL);
676 return JNIHandles::make_local(THREAD, result);
677 C2V_END
678
679 C2V_VMENTRY(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
680 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
681 return cp->name_and_type_ref_index_at(index);
682 C2V_END
683
684 C2V_VMENTRY(jobject, lookupNameInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
685 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
686 Handle sym = java_lang_String::create_from_symbol(cp->name_ref_at(which), CHECK_NULL);
687 return JNIHandles::make_local(THREAD, sym());
688 C2V_END
689
690 C2V_VMENTRY(jobject, lookupSignatureInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
691 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
692 Handle sym = java_lang_String::create_from_symbol(cp->signature_ref_at(which), CHECK_NULL);
693 return JNIHandles::make_local(THREAD, sym());
694 C2V_END
695
696 C2V_VMENTRY(jint, lookupKlassRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
697 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
698 return cp->klass_ref_index_at(index);
699 C2V_END
700
701 C2V_VMENTRY(jobject, resolveTypeInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
702 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
703 Klass* resolved_klass = cp->klass_at(index, CHECK_NULL);
704 Handle klass = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
705 return JNIHandles::make_local(THREAD, klass());
706 C2V_END
707
708 C2V_VMENTRY(jobject, lookupKlassInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
709 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
710 KlassHandle loading_klass(cp->pool_holder());
711 bool is_accessible = false;
712 KlassHandle klass = JVMCIEnv::get_klass_by_index(cp, index, is_accessible, loading_klass);
713 Symbol* symbol = NULL;
714 if (klass.is_null()) {
715 symbol = cp->klass_name_at(index);
716 }
717 Handle result;
718 if (!klass.is_null()) {
719 result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
720 } else {
721 result = java_lang_String::create_from_symbol(symbol, CHECK_NULL);
722 }
723 return JNIHandles::make_local(THREAD, result());
724 C2V_END
725
726 C2V_VMENTRY(jobject, lookupAppendixInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
727 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
728 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index);
729 return JNIHandles::make_local(THREAD, appendix_oop);
730 C2V_END
731
732 C2V_VMENTRY(jobject, lookupMethodInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
733 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
734 instanceKlassHandle pool_holder(cp->pool_holder());
735 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
736 methodHandle method = JVMCIEnv::get_method_by_index(cp, index, bc, pool_holder);
737 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
738 return JNIHandles::make_local(THREAD, result);
739 C2V_END
740
741 C2V_VMENTRY(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
742 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
743 return cp->remap_instruction_operand_from_cache(index);
744 C2V_END
745
746 C2V_VMENTRY(jobject, resolveFieldInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jlongArray info_handle))
747 ResourceMark rm;
748 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
749 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF);
750 fieldDescriptor fd;
751 LinkInfo link_info(cp, index, (jvmci_method != NULL) ? CompilerToVM::asMethod(jvmci_method) : NULL, CHECK_0);
752 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0);
753 typeArrayOop info = (typeArrayOop) JNIHandles::resolve(info_handle);
754 assert(info != NULL && info->length() == 2, "must be");
755 info->long_at_put(0, (jlong) fd.access_flags().as_int());
756 info->long_at_put(1, (jlong) fd.offset());
757 oop field_holder = CompilerToVM::get_jvmci_type(fd.field_holder(), CHECK_NULL);
758 return JNIHandles::make_local(THREAD, field_holder);
759 C2V_END
760
761 C2V_VMENTRY(jint, getVtableIndexForInterfaceMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
762 ResourceMark rm;
763 Klass* klass = CompilerToVM::asKlass(jvmci_type);
764 Method* method = CompilerToVM::asMethod(jvmci_method);
765 if (klass->is_interface()) {
766 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", klass->external_name()));
767 }
768 if (!method->method_holder()->is_interface()) {
769 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()));
770 }
771 if (!InstanceKlass::cast(klass)->is_linked()) {
772 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Class %s must be linked", klass->external_name()));
773 }
774 return LinkResolver::vtable_index_of_interface_method(klass, method);
775 C2V_END
776
777 C2V_VMENTRY(jobject, resolveMethod, (JNIEnv *, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type))
778 KlassHandle recv_klass = CompilerToVM::asKlass(receiver_jvmci_type);
779 KlassHandle caller_klass = CompilerToVM::asKlass(caller_jvmci_type);
780 methodHandle method = CompilerToVM::asMethod(jvmci_method);
781
782 KlassHandle h_resolved (THREAD, method->method_holder());
783 Symbol* h_name = method->name();
784 Symbol* h_signature = method->signature();
785
786 if (MethodHandles::is_signature_polymorphic_method(method())) {
787 // Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case.
788 return NULL;
789 }
790
791 LinkInfo link_info(h_resolved, h_name, h_signature, caller_klass);
792 methodHandle m;
793 // Only do exact lookup if receiver klass has been linked. Otherwise,
794 // the vtable has not been setup, and the LinkResolver will fail.
795 if (recv_klass->is_array_klass() ||
796 InstanceKlass::cast(recv_klass())->is_linked() && !recv_klass->is_interface()) {
797 if (h_resolved->is_interface()) {
798 m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info);
799 } else {
800 m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info);
801 }
802 }
803
804 if (m.is_null()) {
805 // Return NULL if there was a problem with lookup (uninitialized class, etc.)
806 return NULL;
807 }
808
809 oop result = CompilerToVM::get_jvmci_method(m, CHECK_NULL);
810 return JNIHandles::make_local(THREAD, result);
811 C2V_END
812
813 C2V_VMENTRY(jboolean, hasFinalizableSubclass,(JNIEnv *, jobject, jobject jvmci_type))
814 Klass* klass = CompilerToVM::asKlass(jvmci_type);
815 assert(klass != NULL, "method must not be called for primitive types");
816 return Dependencies::find_finalizable_subclass(klass) != NULL;
817 C2V_END
818
819 C2V_VMENTRY(jobject, getClassInitializer, (JNIEnv *, jobject, jobject jvmci_type))
820 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type);
821 oop result = CompilerToVM::get_jvmci_method(klass->class_initializer(), CHECK_NULL);
822 return JNIHandles::make_local(THREAD, result);
823 C2V_END
824
825 C2V_VMENTRY(jlong, getMaxCallTargetOffset, (JNIEnv*, jobject, jlong addr))
826 address target_addr = (address) addr;
827 if (target_addr != 0x0) {
828 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int));
829 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int));
830 return MAX2(ABS(off_low), ABS(off_high));
831 }
832 return -1;
833 C2V_END
834
835 C2V_VMENTRY(void, doNotInlineOrCompile,(JNIEnv *, jobject, jobject jvmci_method))
836 methodHandle method = CompilerToVM::asMethod(jvmci_method);
837 method->set_not_c1_compilable();
838 method->set_not_c2_compilable();
839 method->set_dont_inline(true);
840 C2V_END
841
842 C2V_VMENTRY(jint, installCode, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject installed_code, jobject speculation_log))
843 ResourceMark rm;
844 HandleMark hm;
845 Handle target_handle = JNIHandles::resolve(target);
846 Handle compiled_code_handle = JNIHandles::resolve(compiled_code);
847 CodeBlob* cb = NULL;
848 Handle installed_code_handle = JNIHandles::resolve(installed_code);
849 Handle speculation_log_handle = JNIHandles::resolve(speculation_log);
850
851 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK_JNI_ERR);
852
853 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer());
854 bool is_immutable_PIC = HotSpotCompiledCode::isImmutablePIC(compiled_code_handle) > 0;
855 CodeInstaller installer(is_immutable_PIC);
856 JVMCIEnv::CodeInstallResult result = installer.install(compiler, target_handle, compiled_code_handle, cb, installed_code_handle, speculation_log_handle, CHECK_0);
857
858 if (PrintCodeCacheOnCompilation) {
859 stringStream s;
860 // Dump code cache into a buffer before locking the tty,
861 {
862 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
863 CodeCache::print_summary(&s, false);
864 }
865 ttyLocker ttyl;
866 tty->print_raw_cr(s.as_string());
867 }
868
869 if (result != JVMCIEnv::ok) {
870 assert(cb == NULL, "should be");
871 } else {
872 if (!installed_code_handle.is_null()) {
873 assert(installed_code_handle->is_a(InstalledCode::klass()), "wrong type");
874 nmethod::invalidate_installed_code(installed_code_handle, CHECK_0);
875 {
876 // Ensure that all updates to the InstalledCode fields are consistent.
877 MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag);
878 InstalledCode::set_address(installed_code_handle, (jlong) cb);
879 InstalledCode::set_version(installed_code_handle, InstalledCode::version(installed_code_handle) + 1);
880 if (cb->is_nmethod()) {
881 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->as_nmethod_or_null()->verified_entry_point());
882 } else {
883 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->code_begin());
884 }
885 if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) {
886 HotSpotInstalledCode::set_size(installed_code_handle, cb->size());
887 HotSpotInstalledCode::set_codeStart(installed_code_handle, (jlong) cb->code_begin());
888 HotSpotInstalledCode::set_codeSize(installed_code_handle, cb->code_size());
889 }
890 }
891 nmethod* nm = cb->as_nmethod_or_null();
892 if (nm != NULL && installed_code_handle->is_scavengable()) {
893 assert(nm->detect_scavenge_root_oops(), "nm should be scavengable if installed_code is scavengable");
894 if (!UseG1GC) {
895 assert(nm->on_scavenge_root_list(), "nm should be on scavengable list");
896 }
897 }
898 }
899 }
900 return result;
901 C2V_END
902
903 C2V_VMENTRY(jint, getMetadata, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject metadata))
904 ResourceMark rm;
905 HandleMark hm;
906
907 Handle target_handle = JNIHandles::resolve(target);
908 Handle compiled_code_handle = JNIHandles::resolve(compiled_code);
909 Handle metadata_handle = JNIHandles::resolve(metadata);
910
911 CodeMetadata code_metadata;
912 CodeBlob *cb = NULL;
913 CodeInstaller installer(true /* immutable PIC compilation */);
914
915 JVMCIEnv::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, CHECK_0);
916 if (result != JVMCIEnv::ok) {
917 return result;
918 }
919
920 if (code_metadata.get_nr_pc_desc() > 0) {
921 typeArrayHandle pcArrayOop = oopFactory::new_byteArray(sizeof(PcDesc) * code_metadata.get_nr_pc_desc(), CHECK_(JVMCIEnv::cache_full));
922 memcpy(pcArrayOop->byte_at_addr(0), code_metadata.get_pc_desc(), sizeof(PcDesc) * code_metadata.get_nr_pc_desc());
923 HotSpotMetaData::set_pcDescBytes(metadata_handle, pcArrayOop());
924 }
925
926 if (code_metadata.get_scopes_size() > 0) {
927 typeArrayHandle scopesArrayOop = oopFactory::new_byteArray(code_metadata.get_scopes_size(), CHECK_(JVMCIEnv::cache_full));
928 memcpy(scopesArrayOop->byte_at_addr(0), code_metadata.get_scopes_desc(), code_metadata.get_scopes_size());
929 HotSpotMetaData::set_scopesDescBytes(metadata_handle, scopesArrayOop());
930 }
931
932 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer();
933 typeArrayHandle relocArrayOop = oopFactory::new_byteArray((int) reloc_buffer->size(), CHECK_(JVMCIEnv::cache_full));
934 if (reloc_buffer->size() > 0) {
935 memcpy(relocArrayOop->byte_at_addr(0), reloc_buffer->begin(), reloc_buffer->size());
936 }
937 HotSpotMetaData::set_relocBytes(metadata_handle, relocArrayOop());
938
939 const OopMapSet* oopMapSet = installer.oopMapSet();
940 {
941 ResourceMark mark;
942 ImmutableOopMapBuilder builder(oopMapSet);
943 int oopmap_size = builder.heap_size();
944 typeArrayHandle oopMapArrayHandle = oopFactory::new_byteArray(oopmap_size, CHECK_(JVMCIEnv::cache_full));
945 builder.generate_into((address) oopMapArrayHandle->byte_at_addr(0));
946 HotSpotMetaData::set_oopMaps(metadata_handle, oopMapArrayHandle());
947 }
948
949 AOTOopRecorder* recorder = code_metadata.get_oop_recorder();
950
951 int nr_meta_strings = recorder->nr_meta_strings();
952 objArrayHandle metadataArrayHandle = oopFactory::new_objectArray(nr_meta_strings, CHECK_(JVMCIEnv::cache_full));
953 for (int i = 0; i < nr_meta_strings; ++i) {
954 const char* element = recorder->meta_element(i);
955 Handle java_string = java_lang_String::create_from_str(element, CHECK_(JVMCIEnv::cache_full));
956 metadataArrayHandle->obj_at_put(i, java_string());
957 }
958 HotSpotMetaData::set_metadata(metadata_handle, metadataArrayHandle());
959
960 ExceptionHandlerTable* handler = code_metadata.get_exception_table();
961 int table_size = handler->size_in_bytes();
962 typeArrayHandle exceptionArrayOop = oopFactory::new_byteArray(table_size, CHECK_(JVMCIEnv::cache_full));
963
964 if (table_size > 0) {
965 handler->copy_bytes_to((address) exceptionArrayOop->byte_at_addr(0));
966 }
967 HotSpotMetaData::set_exceptionBytes(metadata_handle, exceptionArrayOop());
968
969 return result;
970 C2V_END
971
972 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv *jniEnv, jobject))
973 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK);
974 CompilerStatistics* stats = compiler->stats();
975 stats->_standard.reset();
976 stats->_osr.reset();
977 C2V_END
978
979 C2V_VMENTRY(jobject, disassembleCodeBlob, (JNIEnv *jniEnv, jobject, jobject installedCode))
980 ResourceMark rm;
981 HandleMark hm;
982
983 if (installedCode == NULL) {
984 THROW_MSG_NULL(vmSymbols::java_lang_NullPointerException(), "installedCode is null");
985 }
986
987 jlong codeBlob = InstalledCode::address(installedCode);
988 if (codeBlob == 0L) {
989 return NULL;
990 }
991
992 CodeBlob* cb = (CodeBlob*) (address) codeBlob;
993 if (cb == NULL) {
994 return NULL;
995 }
996
997 // We don't want the stringStream buffer to resize during disassembly as it
998 // uses scoped resource memory. If a nested function called during disassembly uses
999 // a ResourceMark and the buffer expands within the scope of the mark,
1000 // the buffer becomes garbage when that scope is exited. Experience shows that
1001 // the disassembled code is typically about 10x the code size so a fixed buffer
1002 // sized to 20x code size plus a fixed amount for header info should be sufficient.
1003 int bufferSize = cb->code_size() * 20 + 1024;
1004 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize);
1005 stringStream st(buffer, bufferSize);
1006 if (cb->is_nmethod()) {
1007 nmethod* nm = (nmethod*) cb;
1008 if (!nm->is_alive()) {
1009 return NULL;
1010 }
1011 }
1012 Disassembler::decode(cb, &st);
1013 if (st.size() <= 0) {
1014 return NULL;
1015 }
1016
1017 Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL);
1018 return JNIHandles::make_local(THREAD, result());
1019 C2V_END
1020
1021 C2V_VMENTRY(jobject, getStackTraceElement, (JNIEnv*, jobject, jobject jvmci_method, int bci))
1022 ResourceMark rm;
1023 HandleMark hm;
1024
1025 methodHandle method = CompilerToVM::asMethod(jvmci_method);
1026 oop element = java_lang_StackTraceElement::create(method, bci, CHECK_NULL);
1027 return JNIHandles::make_local(THREAD, element);
1028 C2V_END
1029
1030 C2V_VMENTRY(jobject, executeInstalledCode, (JNIEnv*, jobject, jobject args, jobject hotspotInstalledCode))
1031 ResourceMark rm;
1032 HandleMark hm;
1033
1034 jlong nmethodValue = InstalledCode::address(hotspotInstalledCode);
1035 if (nmethodValue == 0L) {
1036 THROW_NULL(vmSymbols::jdk_vm_ci_code_InvalidInstalledCodeException());
1037 }
1038 nmethod* nm = (nmethod*) (address) nmethodValue;
1039 methodHandle mh = nm->method();
1040 Symbol* signature = mh->signature();
1041 JavaCallArguments jca(mh->size_of_parameters());
1042
1043 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
1044 JavaValue result(jap.get_ret_type());
1045 jca.set_alternative_target(nm);
1046 JavaCalls::call(&result, mh, &jca, CHECK_NULL);
1047
1048 if (jap.get_ret_type() == T_VOID) {
1049 return NULL;
1050 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) {
1051 return JNIHandles::make_local(THREAD, (oop) result.get_jobject());
1052 } else {
1053 jvalue *value = (jvalue *) result.get_value_addr();
1054 // Narrow the value down if required (Important on big endian machines)
1055 switch (jap.get_ret_type()) {
1056 case T_BOOLEAN:
1057 value->z = (jboolean) value->i;
1058 break;
1059 case T_BYTE:
1060 value->b = (jbyte) value->i;
1061 break;
1062 case T_CHAR:
1063 value->c = (jchar) value->i;
1064 break;
1065 case T_SHORT:
1066 value->s = (jshort) value->i;
1067 break;
1068 }
1069 oop o = java_lang_boxing_object::create(jap.get_ret_type(), value, CHECK_NULL);
1070 return JNIHandles::make_local(THREAD, o);
1071 }
1072 C2V_END
1073
1074 C2V_VMENTRY(jlongArray, getLineNumberTable, (JNIEnv *, jobject, jobject jvmci_method))
1075 Method* method = CompilerToVM::asMethod(jvmci_method);
1076 if (!method->has_linenumber_table()) {
1077 return NULL;
1078 }
1079 u2 num_entries = 0;
1080 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
1081 while (streamForSize.read_pair()) {
1082 num_entries++;
1083 }
1084
1085 CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
1086 typeArrayOop result = oopFactory::new_longArray(2 * num_entries, CHECK_NULL);
1087
1088 int i = 0;
1089 jlong value;
1090 while (stream.read_pair()) {
1091 value = ((long) stream.bci());
1092 result->long_at_put(i, value);
1093 value = ((long) stream.line());
1094 result->long_at_put(i + 1, value);
1095 i += 2;
1096 }
1097
1098 return (jlongArray) JNIHandles::make_local(THREAD, result);
1099 C2V_END
1100
1101 C2V_VMENTRY(jlong, getLocalVariableTableStart, (JNIEnv *, jobject, jobject jvmci_method))
1102 ResourceMark rm;
1103 Method* method = CompilerToVM::asMethod(jvmci_method);
1104 if (!method->has_localvariable_table()) {
1105 return 0;
1106 }
1107 return (jlong) (address) method->localvariable_table_start();
1108 C2V_END
1109
1110 C2V_VMENTRY(jint, getLocalVariableTableLength, (JNIEnv *, jobject, jobject jvmci_method))
1111 ResourceMark rm;
1112 Method* method = CompilerToVM::asMethod(jvmci_method);
1113 return method->localvariable_table_length();
1114 C2V_END
1115
1116 C2V_VMENTRY(void, reprofile, (JNIEnv*, jobject, jobject jvmci_method))
1117 Method* method = CompilerToVM::asMethod(jvmci_method);
1118 MethodCounters* mcs = method->method_counters();
1119 if (mcs != NULL) {
1120 mcs->clear_counters();
1121 }
1122 NOT_PRODUCT(method->set_compiled_invocation_count(0));
1123
1124 CompiledMethod* code = method->code();
1125 if (code != NULL) {
1126 code->make_not_entrant();
1127 }
1128
1129 MethodData* method_data = method->method_data();
1130 if (method_data == NULL) {
1131 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
1132 method_data = MethodData::allocate(loader_data, method, CHECK);
1133 method->set_method_data(method_data);
1134 } else {
1135 method_data->initialize();
1136 }
1137 C2V_END
1138
1139
1140 C2V_VMENTRY(void, invalidateInstalledCode, (JNIEnv*, jobject, jobject installed_code))
1141 Handle installed_code_handle = JNIHandles::resolve(installed_code);
1142 nmethod::invalidate_installed_code(installed_code_handle, CHECK);
1143 C2V_END
1144
1145 C2V_VMENTRY(jlongArray, collectCounters, (JNIEnv*, jobject))
1146 typeArrayOop arrayOop = oopFactory::new_longArray(JVMCICounterSize, CHECK_NULL);
1147 JavaThread::collect_counters(arrayOop);
1148 return (jlongArray) JNIHandles::make_local(THREAD, arrayOop);
1149 C2V_END
1150
1151 C2V_VMENTRY(int, allocateCompileId, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci))
1152 HandleMark hm;
1153 ResourceMark rm;
1154 if (JNIHandles::resolve(jvmci_method) == NULL) {
1155 THROW_0(vmSymbols::java_lang_NullPointerException());
1156 }
1157 Method* method = CompilerToVM::asMethod(jvmci_method);
1158 if (entry_bci >= method->code_size() || entry_bci < -1) {
1159 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Unexpected bci %d", entry_bci));
1160 }
1161 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
1162 C2V_END
1163
1164
1165 C2V_VMENTRY(jboolean, isMature, (JNIEnv*, jobject, jlong metaspace_method_data))
1166 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1167 return mdo != NULL && mdo->is_mature();
1168 C2V_END
1169
1170 C2V_VMENTRY(jboolean, hasCompiledCodeForOSR, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci, int comp_level))
1171 Method* method = CompilerToVM::asMethod(jvmci_method);
1172 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
1173 C2V_END
1174
1175 C2V_VMENTRY(jobject, getSymbol, (JNIEnv*, jobject, jlong symbol))
1176 Handle sym = java_lang_String::create_from_symbol((Symbol*)(address)symbol, CHECK_NULL);
1177 return JNIHandles::make_local(THREAD, sym());
1178 C2V_END
1179
1180 bool matches(jobjectArray methods, Method* method) {
1181 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods);
1182
1183 for (int i = 0; i < methods_oop->length(); i++) {
1184 oop resolved = methods_oop->obj_at(i);
1185 if (resolved->is_a(HotSpotResolvedJavaMethodImpl::klass()) && CompilerToVM::asMethod(resolved) == method) {
1186 return true;
1187 }
1188 }
1189 return false;
1190 }
1191
1192 C2V_VMENTRY(jobject, getNextStackFrame, (JNIEnv*, jobject compilerToVM, jobject hs_frame, jobjectArray methods, jint initialSkip))
1193 ResourceMark rm;
1194
1195 if (!thread->has_last_Java_frame()) return NULL;
1196 Handle result = HotSpotStackFrameReference::klass()->allocate_instance(thread);
1197 HotSpotStackFrameReference::klass()->initialize(thread);
1198
1199 StackFrameStream fst(thread);
1200 if (hs_frame != NULL) {
1201 // look for the correct stack frame if one is given
1202 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1203 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1204 fst.next();
1205 }
1206 if (fst.current()->sp() != stack_pointer) {
1207 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1208 }
1209 }
1210
1211 int frame_number = 0;
1212 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1213 if (hs_frame != NULL) {
1214 // look for the correct vframe within the stack frame if one is given
1215 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1216 while (frame_number < last_frame_number) {
1217 if (vf->is_top()) {
1218 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1219 }
1220 vf = vf->sender();
1221 frame_number ++;
1222 }
1223 // move one frame forward
1224 if (vf->is_top()) {
1225 if (fst.is_done()) {
1226 return NULL;
1227 }
1228 fst.next();
1229 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1230 frame_number = 0;
1231 } else {
1232 vf = vf->sender();
1233 frame_number++;
1234 }
1235 }
1236
1237 while (true) {
1238 // look for the given method
1239 while (true) {
1240 StackValueCollection* locals = NULL;
1241 if (vf->is_compiled_frame()) {
1242 // compiled method frame
1243 compiledVFrame* cvf = compiledVFrame::cast(vf);
1244 if (methods == NULL || matches(methods, cvf->method())) {
1245 if (initialSkip > 0) {
1246 initialSkip --;
1247 } else {
1248 ScopeDesc* scope = cvf->scope();
1249 // native wrapper do not have a scope
1250 if (scope != NULL && scope->objects() != NULL) {
1251 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), scope->objects(), THREAD);
1252 Deoptimization::reassign_fields(fst.current(), fst.register_map(), scope->objects(), realloc_failures, false);
1253
1254 GrowableArray<ScopeValue*>* local_values = scope->locals();
1255 typeArrayHandle array = oopFactory::new_boolArray(local_values->length(), thread);
1256 for (int i = 0; i < local_values->length(); i++) {
1257 ScopeValue* value = local_values->at(i);
1258 if (value->is_object()) {
1259 array->bool_at_put(i, true);
1260 }
1261 }
1262 HotSpotStackFrameReference::set_localIsVirtual(result, array());
1263 } else {
1264 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1265 }
1266
1267 locals = cvf->locals();
1268 HotSpotStackFrameReference::set_bci(result, cvf->bci());
1269 oop method = CompilerToVM::get_jvmci_method(cvf->method(), CHECK_NULL);
1270 HotSpotStackFrameReference::set_method(result, method);
1271 }
1272 }
1273 } else if (vf->is_interpreted_frame()) {
1274 // interpreted method frame
1275 interpretedVFrame* ivf = interpretedVFrame::cast(vf);
1276 if (methods == NULL || matches(methods, ivf->method())) {
1277 if (initialSkip > 0) {
1278 initialSkip --;
1279 } else {
1280 locals = ivf->locals();
1281 HotSpotStackFrameReference::set_bci(result, ivf->bci());
1282 oop method = CompilerToVM::get_jvmci_method(ivf->method(), CHECK_NULL);
1283 HotSpotStackFrameReference::set_method(result, method);
1284 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1285 }
1286 }
1287 }
1288
1289 // locals != NULL means that we found a matching frame and result is already partially initialized
1290 if (locals != NULL) {
1291 HotSpotStackFrameReference::set_compilerToVM(result, JNIHandles::resolve(compilerToVM));
1292 HotSpotStackFrameReference::set_stackPointer(result, (jlong) fst.current()->sp());
1293 HotSpotStackFrameReference::set_frameNumber(result, frame_number);
1294
1295 // initialize the locals array
1296 objArrayHandle array = oopFactory::new_objectArray(locals->size(), thread);
1297 for (int i = 0; i < locals->size(); i++) {
1298 StackValue* var = locals->at(i);
1299 if (var->type() == T_OBJECT) {
1300 array->obj_at_put(i, locals->at(i)->get_obj()());
1301 }
1302 }
1303 HotSpotStackFrameReference::set_locals(result, array());
1304
1305 return JNIHandles::make_local(thread, result());
1306 }
1307
1308 if (vf->is_top()) {
1309 break;
1310 }
1311 frame_number++;
1312 vf = vf->sender();
1313 } // end of vframe loop
1314
1315 if (fst.is_done()) {
1316 break;
1317 }
1318 fst.next();
1319 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1320 frame_number = 0;
1321 } // end of frame loop
1322
1323 // the end was reached without finding a matching method
1324 return NULL;
1325 C2V_END
1326
1327 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1328 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1329 CallInfo callInfo;
1330 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK);
1331 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index);
1332 cp_cache_entry->set_dynamic_call(cp, callInfo);
1333 C2V_END
1334
1335 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1336 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1337 KlassHandle holder = cp->klass_ref_at(index, CHECK);
1338 Symbol* name = cp->name_ref_at(index);
1339 if (MethodHandles::is_signature_polymorphic_name(holder(), name)) {
1340 CallInfo callInfo;
1341 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK);
1342 ConstantPoolCacheEntry* cp_cache_entry = cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1343 cp_cache_entry->set_method_handle(cp, callInfo);
1344 }
1345 C2V_END
1346
1347 C2V_VMENTRY(jobject, getSignaturePolymorphicHolders, (JNIEnv*, jobject))
1348 objArrayHandle holders = oopFactory::new_objArray(SystemDictionary::String_klass(), 2, CHECK_NULL);
1349 Handle mh = java_lang_String::create_from_str("Ljava/lang/invoke/MethodHandle;", CHECK_NULL);
1350 Handle vh = java_lang_String::create_from_str("Ljava/lang/invoke/VarHandle;", CHECK_NULL);
1351 holders->obj_at_put(0, mh());
1352 holders->obj_at_put(1, vh());
1353 return JNIHandles::make_local(THREAD, holders());
1354 C2V_END
1355
1356 C2V_VMENTRY(jboolean, shouldDebugNonSafepoints, (JNIEnv*, jobject))
1357 //see compute_recording_non_safepoints in debugInfroRec.cpp
1358 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
1359 return true;
1360 }
1361 return DebugNonSafepoints;
1362 C2V_END
1363
1364 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate);
1365 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv*, jobject, jobject hs_frame, bool invalidate))
1366 ResourceMark rm;
1367
1368 if (hs_frame == NULL) {
1369 THROW_MSG(vmSymbols::java_lang_NullPointerException(), "stack frame is null")
1370 }
1371
1372 HotSpotStackFrameReference::klass()->initialize(thread);
1373
1374 // look for the given stack frame
1375 StackFrameStream fst(thread);
1376 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1377 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1378 fst.next();
1379 }
1380 if (fst.current()->sp() != stack_pointer) {
1381 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1382 }
1383
1384 if (invalidate) {
1385 if (!fst.current()->is_compiled_frame()) {
1386 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1387 }
1388 assert(fst.current()->cb()->is_nmethod(), "nmethod expected");
1389 ((nmethod*) fst.current()->cb())->make_not_entrant();
1390 }
1391 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none);
1392 // look for the frame again as it has been updated by deopt (pc, deopt state...)
1393 StackFrameStream fstAfterDeopt(thread);
1394 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) {
1395 fstAfterDeopt.next();
1396 }
1397 if (fstAfterDeopt.current()->sp() != stack_pointer) {
1398 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1399 }
1400
1401 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
1402 if (!vf->is_compiled_frame()) {
1403 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1404 }
1405
1406 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10);
1407 while (true) {
1408 assert(vf->is_compiled_frame(), "Wrong frame type");
1409 virtualFrames->push(compiledVFrame::cast(vf));
1410 if (vf->is_top()) {
1411 break;
1412 }
1413 vf = vf->sender();
1414 }
1415
1416 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1417 if (last_frame_number >= virtualFrames->length()) {
1418 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1419 }
1420
1421 // Reallocate the non-escaping objects and restore their fields.
1422 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope");
1423 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
1424
1425 if (objects == NULL) {
1426 // no objects to materialize
1427 return;
1428 }
1429
1430 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), objects, THREAD);
1431 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false);
1432
1433 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
1434 compiledVFrame* cvf = virtualFrames->at(frame_index);
1435
1436 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals();
1437 StackValueCollection* locals = cvf->locals();
1438
1439 if (locals != NULL) {
1440 for (int i2 = 0; i2 < locals->size(); i2++) {
1441 StackValue* var = locals->at(i2);
1442 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) {
1443 jvalue val;
1444 val.l = (jobject) locals->at(i2)->get_obj()();
1445 cvf->update_local(T_OBJECT, i2, val);
1446 }
1447 }
1448 }
1449 }
1450
1451 // all locals are materialized by now
1452 HotSpotStackFrameReference::set_localIsVirtual(hs_frame, NULL);
1453
1454 // update the locals array
1455 objArrayHandle array = HotSpotStackFrameReference::locals(hs_frame);
1456 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals();
1457 for (int i = 0; i < locals->size(); i++) {
1458 StackValue* var = locals->at(i);
1459 if (var->type() == T_OBJECT) {
1460 array->obj_at_put(i, locals->at(i)->get_obj()());
1461 }
1462 }
1463 C2V_END
1464
1465 C2V_VMENTRY(void, writeDebugOutput, (JNIEnv*, jobject, jbyteArray bytes, jint offset, jint length))
1466 if (bytes == NULL) {
1467 THROW(vmSymbols::java_lang_NullPointerException());
1468 }
1469 typeArrayOop array = (typeArrayOop) JNIHandles::resolve(bytes);
1470
1471 // Check if offset and length are non negative.
1472 if (offset < 0 || length < 0) {
1473 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1474 }
1475 // Check if the range is valid.
1476 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array->length())) {
1477 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1478 }
1479 while (length > 0) {
1480 jbyte* start = array->byte_at_addr(offset);
1481 tty->write((char*) start, MIN2(length, O_BUFLEN));
1482 length -= O_BUFLEN;
1483 offset += O_BUFLEN;
1484 }
1485 C2V_END
1486
1487 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv*, jobject))
1488 tty->flush();
1489 C2V_END
1490
1491 C2V_VMENTRY(int, methodDataProfileDataSize, (JNIEnv*, jobject, jlong metaspace_method_data, jint position))
1492 ResourceMark rm;
1493 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1494 ProfileData* profile_data = mdo->data_at(position);
1495 if (mdo->is_valid(profile_data)) {
1496 return profile_data->size_in_bytes();
1497 }
1498 DataLayout* data = mdo->extra_data_base();
1499 DataLayout* end = mdo->extra_data_limit();
1500 for (;; data = mdo->next_extra(data)) {
1501 assert(data < end, "moved past end of extra data");
1502 profile_data = data->data_in();
1503 if (mdo->dp_to_di(profile_data->dp()) == position) {
1504 return profile_data->size_in_bytes();
1505 }
1506 }
1507 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Invalid profile data position %d", position));
1508 C2V_END
1509
1510 C2V_VMENTRY(jlong, getFingerprint, (JNIEnv*, jobject, jlong metaspace_klass))
1511 Klass *k = CompilerToVM::asKlass(metaspace_klass);
1512 if (k->is_instance_klass()) {
1513 return InstanceKlass::cast(k)->get_stored_fingerprint();
1514 } else {
1515 return 0;
1516 }
1517 C2V_END
1518
1519 C2V_VMENTRY(int, interpreterFrameSize, (JNIEnv*, jobject, jobject bytecode_frame_handle))
1520 if (bytecode_frame_handle == NULL) {
1521 THROW_0(vmSymbols::java_lang_NullPointerException());
1522 }
1523
1524 oop top_bytecode_frame = JNIHandles::resolve_non_null(bytecode_frame_handle);
1525 oop bytecode_frame = top_bytecode_frame;
1526 int size = 0;
1527 int callee_parameters = 0;
1528 int callee_locals = 0;
1529 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1530 int extra_args = method->max_stack() - BytecodeFrame::numStack(bytecode_frame);
1531
1532 while (bytecode_frame != NULL) {
1533 int locks = BytecodeFrame::numLocks(bytecode_frame);
1534 int temps = BytecodeFrame::numStack(bytecode_frame);
1535 bool is_top_frame = (bytecode_frame == top_bytecode_frame);
1536 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1537
1538 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(),
1539 temps + callee_parameters,
1540 extra_args,
1541 locks,
1542 callee_parameters,
1543 callee_locals,
1544 is_top_frame);
1545 size += frame_size;
1546
1547 callee_parameters = method->size_of_parameters();
1548 callee_locals = method->max_locals();
1549 extra_args = 0;
1550 bytecode_frame = BytecodePosition::caller(bytecode_frame);
1551 }
1552 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
1553 C2V_END
1554
1555 C2V_VMENTRY(void, compileToBytecode, (JNIEnv*, jobject, jobject lambda_form_handle))
1556 Handle lambda_form = JNIHandles::resolve_non_null(lambda_form_handle);
1557 if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) {
1558 TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode", CHECK);
1559 JavaValue result(T_VOID);
1560 JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK);
1561 } else {
1562 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
1563 err_msg("Unexpected type: %s", lambda_form->klass()->external_name()));
1564 }
1565 C2V_END
1566
1567 #define CC (char*) /*cast a literal from (const char*)*/
1568 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
1569
1570 #define STRING "Ljava/lang/String;"
1571 #define OBJECT "Ljava/lang/Object;"
1572 #define CLASS "Ljava/lang/Class;"
1573 #define EXECUTABLE "Ljava/lang/reflect/Executable;"
1574 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;"
1575 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;"
1576 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;"
1577 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;"
1578 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;"
1579 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;"
1580 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;"
1581 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;"
1582 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;"
1583 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;"
1584 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;"
1585 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;"
1586 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;"
1587 #define METASPACE_METHOD_DATA "J"
1588
1589 JNINativeMethod CompilerToVM::methods[] = {
1590 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)},
1591 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)},
1592 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)},
1593 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)},
1594 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)},
1595 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)},
1596 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)},
1597 {CC "doNotInlineOrCompile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(doNotInlineOrCompile)},
1598 {CC "isCompilable", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(isCompilable)},
1599 {CC "hasNeverInlineDirective", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(hasNeverInlineDirective)},
1600 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)},
1601 {CC "lookupType", CC "(" STRING CLASS "Z)" HS_RESOLVED_KLASS, FN_PTR(lookupType)},
1602 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)},
1603 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)},
1604 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)},
1605 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)},
1606 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)},
1607 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(lookupAppendixInPool)},
1608 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)},
1609 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)},
1610 {CC "resolveConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolveConstantInPool)},
1611 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolvePossiblyCachedConstantInPool)},
1612 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)},
1613 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[J)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)},
1614 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)},
1615 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)},
1616 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
1617 {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)},
1618 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)},
1619 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)},
1620 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)},
1621 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)},
1622 {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)},
1623 {CC "getResolvedJavaMethod", CC "(Ljava/lang/Object;J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)},
1624 {CC "getConstantPool", CC "(Ljava/lang/Object;)" HS_CONSTANT_POOL, FN_PTR(getConstantPool)},
1625 {CC "getResolvedJavaType", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType)},
1626 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)},
1627 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE HS_SPECULATION_LOG ")I", FN_PTR(installCode)},
1628 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)},
1629 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)},
1630 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)},
1631 {CC "executeInstalledCode", CC "([" OBJECT INSTALLED_CODE ")" OBJECT, FN_PTR(executeInstalledCode)},
1632 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)},
1633 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)},
1634 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)},
1635 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)},
1636 {CC "invalidateInstalledCode", CC "(" INSTALLED_CODE ")V", FN_PTR(invalidateInstalledCode)},
1637 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)},
1638 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)},
1639 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)},
1640 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)},
1641 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)},
1642 {CC "getNextStackFrame", CC "(" HS_STACK_FRAME_REF "[" RESOLVED_METHOD "I)" HS_STACK_FRAME_REF, FN_PTR(getNextStackFrame)},
1643 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)},
1644 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)},
1645 {CC "writeDebugOutput", CC "([BII)V", FN_PTR(writeDebugOutput)},
1646 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)},
1647 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)},
1648 {CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)},
1649 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)},
1650 {CC "compileToBytecode", CC "(" OBJECT ")V", FN_PTR(compileToBytecode)},
1651 };
1652
1653 int CompilerToVM::methods_count() {
1654 return sizeof(methods) / sizeof(JNINativeMethod);
1655 }