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** 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**) -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 CodeInstaller installer;
851 JVMCIEnv::CodeInstallResult result = installer.install(compiler, target_handle, compiled_code_handle, cb, installed_code_handle, speculation_log_handle, CHECK_0);
852
853 if (PrintCodeCacheOnCompilation) {
854 stringStream s;
855 // Dump code cache into a buffer before locking the tty,
856 {
857 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
858 CodeCache::print_summary(&s, false);
859 }
860 ttyLocker ttyl;
861 tty->print_raw_cr(s.as_string());
862 }
863
864 if (result != JVMCIEnv::ok) {
865 assert(cb == NULL, "should be");
866 } else {
867 if (!installed_code_handle.is_null()) {
868 assert(installed_code_handle->is_a(InstalledCode::klass()), "wrong type");
869 nmethod::invalidate_installed_code(installed_code_handle, CHECK_0);
870 {
871 // Ensure that all updates to the InstalledCode fields are consistent.
872 MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag);
873 InstalledCode::set_address(installed_code_handle, (jlong) cb);
874 InstalledCode::set_version(installed_code_handle, InstalledCode::version(installed_code_handle) + 1);
875 if (cb->is_nmethod()) {
876 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->as_nmethod_or_null()->verified_entry_point());
877 } else {
878 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->code_begin());
879 }
880 if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) {
881 HotSpotInstalledCode::set_size(installed_code_handle, cb->size());
882 HotSpotInstalledCode::set_codeStart(installed_code_handle, (jlong) cb->code_begin());
883 HotSpotInstalledCode::set_codeSize(installed_code_handle, cb->code_size());
884 }
885 }
886 nmethod* nm = cb->as_nmethod_or_null();
887 if (nm != NULL && installed_code_handle->is_scavengable()) {
888 assert(nm->detect_scavenge_root_oops(), "nm should be scavengable if installed_code is scavengable");
889 if (!UseG1GC) {
890 assert(nm->on_scavenge_root_list(), "nm should be on scavengable list");
891 }
892 }
893 }
894 }
895 return result;
896 C2V_END
897
898 C2V_VMENTRY(jint, getMetadata, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject metadata))
899 ResourceMark rm;
900 HandleMark hm;
901
902 Handle target_handle = JNIHandles::resolve(target);
903 Handle compiled_code_handle = JNIHandles::resolve(compiled_code);
904 Handle metadata_handle = JNIHandles::resolve(metadata);
905
906 CodeMetadata code_metadata;
907 CodeBlob *cb = NULL;
908 CodeInstaller installer;
909
910 JVMCIEnv::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, CHECK_0);
911 if (result != JVMCIEnv::ok) {
912 return result;
913 }
914
915 if (code_metadata.get_nr_pc_desc() > 0) {
916 typeArrayHandle pcArrayOop = oopFactory::new_byteArray(sizeof(PcDesc) * code_metadata.get_nr_pc_desc(), CHECK_(JVMCIEnv::cache_full));
917 memcpy(pcArrayOop->byte_at_addr(0), code_metadata.get_pc_desc(), sizeof(PcDesc) * code_metadata.get_nr_pc_desc());
918 HotSpotMetaData::set_pcDescBytes(metadata_handle, pcArrayOop());
919 }
920
921 if (code_metadata.get_scopes_size() > 0) {
922 typeArrayHandle scopesArrayOop = oopFactory::new_byteArray(code_metadata.get_scopes_size(), CHECK_(JVMCIEnv::cache_full));
923 memcpy(scopesArrayOop->byte_at_addr(0), code_metadata.get_scopes_desc(), code_metadata.get_scopes_size());
924 HotSpotMetaData::set_scopesDescBytes(metadata_handle, scopesArrayOop());
925 }
926
927 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer();
928 typeArrayHandle relocArrayOop = oopFactory::new_byteArray((int) reloc_buffer->size(), CHECK_(JVMCIEnv::cache_full));
929 if (reloc_buffer->size() > 0) {
930 memcpy(relocArrayOop->byte_at_addr(0), reloc_buffer->begin(), reloc_buffer->size());
931 }
932 HotSpotMetaData::set_relocBytes(metadata_handle, relocArrayOop());
933
934 const OopMapSet* oopMapSet = installer.oopMapSet();
935 {
936 ResourceMark mark;
937 ImmutableOopMapBuilder builder(oopMapSet);
938 int oopmap_size = builder.heap_size();
939 typeArrayHandle oopMapArrayHandle = oopFactory::new_byteArray(oopmap_size, CHECK_(JVMCIEnv::cache_full));
940 builder.generate_into((address) oopMapArrayHandle->byte_at_addr(0));
941 HotSpotMetaData::set_oopMaps(metadata_handle, oopMapArrayHandle());
942 }
943
944 HotSpotMetaData::set_metadata(metadata_handle, NULL);
945
946 ExceptionHandlerTable* handler = code_metadata.get_exception_table();
947 int table_size = handler->size_in_bytes();
948 typeArrayHandle exceptionArrayOop = oopFactory::new_byteArray(table_size, CHECK_(JVMCIEnv::cache_full));
949
950 if (table_size > 0) {
951 handler->copy_bytes_to((address) exceptionArrayOop->byte_at_addr(0));
952 }
953 HotSpotMetaData::set_exceptionBytes(metadata_handle, exceptionArrayOop());
954
955 return result;
956 C2V_END
957
958 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv *jniEnv, jobject))
959 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK);
960 CompilerStatistics* stats = compiler->stats();
961 stats->_standard.reset();
962 stats->_osr.reset();
963 C2V_END
964
965 C2V_VMENTRY(jobject, disassembleCodeBlob, (JNIEnv *jniEnv, jobject, jobject installedCode))
966 ResourceMark rm;
967 HandleMark hm;
968
969 if (installedCode == NULL) {
970 THROW_MSG_NULL(vmSymbols::java_lang_NullPointerException(), "installedCode is null");
971 }
972
973 jlong codeBlob = InstalledCode::address(installedCode);
974 if (codeBlob == 0L) {
975 return NULL;
976 }
977
978 CodeBlob* cb = (CodeBlob*) (address) codeBlob;
979 if (cb == NULL) {
980 return NULL;
981 }
982
983 // We don't want the stringStream buffer to resize during disassembly as it
984 // uses scoped resource memory. If a nested function called during disassembly uses
985 // a ResourceMark and the buffer expands within the scope of the mark,
986 // the buffer becomes garbage when that scope is exited. Experience shows that
987 // the disassembled code is typically about 10x the code size so a fixed buffer
988 // sized to 20x code size plus a fixed amount for header info should be sufficient.
989 int bufferSize = cb->code_size() * 20 + 1024;
990 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize);
991 stringStream st(buffer, bufferSize);
992 if (cb->is_nmethod()) {
993 nmethod* nm = (nmethod*) cb;
994 if (!nm->is_alive()) {
995 return NULL;
996 }
997 }
998 Disassembler::decode(cb, &st);
999 if (st.size() <= 0) {
1000 return NULL;
1001 }
1002
1003 Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL);
1004 return JNIHandles::make_local(THREAD, result());
1005 C2V_END
1006
1007 C2V_VMENTRY(jobject, getStackTraceElement, (JNIEnv*, jobject, jobject jvmci_method, int bci))
1008 ResourceMark rm;
1009 HandleMark hm;
1010
1011 methodHandle method = CompilerToVM::asMethod(jvmci_method);
1012 oop element = java_lang_StackTraceElement::create(method, bci, CHECK_NULL);
1013 return JNIHandles::make_local(THREAD, element);
1014 C2V_END
1015
1016 C2V_VMENTRY(jobject, executeInstalledCode, (JNIEnv*, jobject, jobject args, jobject hotspotInstalledCode))
1017 ResourceMark rm;
1018 HandleMark hm;
1019
1020 jlong nmethodValue = InstalledCode::address(hotspotInstalledCode);
1021 if (nmethodValue == 0L) {
1022 THROW_NULL(vmSymbols::jdk_vm_ci_code_InvalidInstalledCodeException());
1023 }
1024 nmethod* nm = (nmethod*) (address) nmethodValue;
1025 methodHandle mh = nm->method();
1026 Symbol* signature = mh->signature();
1027 JavaCallArguments jca(mh->size_of_parameters());
1028
1029 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
1030 JavaValue result(jap.get_ret_type());
1031 jca.set_alternative_target(nm);
1032 JavaCalls::call(&result, mh, &jca, CHECK_NULL);
1033
1034 if (jap.get_ret_type() == T_VOID) {
1035 return NULL;
1036 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) {
1037 return JNIHandles::make_local(THREAD, (oop) result.get_jobject());
1038 } else {
1039 jvalue *value = (jvalue *) result.get_value_addr();
1040 // Narrow the value down if required (Important on big endian machines)
1041 switch (jap.get_ret_type()) {
1042 case T_BOOLEAN:
1043 value->z = (jboolean) value->i;
1044 break;
1045 case T_BYTE:
1046 value->b = (jbyte) value->i;
1047 break;
1048 case T_CHAR:
1049 value->c = (jchar) value->i;
1050 break;
1051 case T_SHORT:
1052 value->s = (jshort) value->i;
1053 break;
1054 }
1055 oop o = java_lang_boxing_object::create(jap.get_ret_type(), value, CHECK_NULL);
1056 return JNIHandles::make_local(THREAD, o);
1057 }
1058 C2V_END
1059
1060 C2V_VMENTRY(jlongArray, getLineNumberTable, (JNIEnv *, jobject, jobject jvmci_method))
1061 Method* method = CompilerToVM::asMethod(jvmci_method);
1062 if (!method->has_linenumber_table()) {
1063 return NULL;
1064 }
1065 u2 num_entries = 0;
1066 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
1067 while (streamForSize.read_pair()) {
1068 num_entries++;
1069 }
1070
1071 CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
1072 typeArrayOop result = oopFactory::new_longArray(2 * num_entries, CHECK_NULL);
1073
1074 int i = 0;
1075 jlong value;
1076 while (stream.read_pair()) {
1077 value = ((long) stream.bci());
1078 result->long_at_put(i, value);
1079 value = ((long) stream.line());
1080 result->long_at_put(i + 1, value);
1081 i += 2;
1082 }
1083
1084 return (jlongArray) JNIHandles::make_local(THREAD, result);
1085 C2V_END
1086
1087 C2V_VMENTRY(jlong, getLocalVariableTableStart, (JNIEnv *, jobject, jobject jvmci_method))
1088 ResourceMark rm;
1089 Method* method = CompilerToVM::asMethod(jvmci_method);
1090 if (!method->has_localvariable_table()) {
1091 return 0;
1092 }
1093 return (jlong) (address) method->localvariable_table_start();
1094 C2V_END
1095
1096 C2V_VMENTRY(jint, getLocalVariableTableLength, (JNIEnv *, jobject, jobject jvmci_method))
1097 ResourceMark rm;
1098 Method* method = CompilerToVM::asMethod(jvmci_method);
1099 return method->localvariable_table_length();
1100 C2V_END
1101
1102 C2V_VMENTRY(void, reprofile, (JNIEnv*, jobject, jobject jvmci_method))
1103 Method* method = CompilerToVM::asMethod(jvmci_method);
1104 MethodCounters* mcs = method->method_counters();
1105 if (mcs != NULL) {
1106 mcs->clear_counters();
1107 }
1108 NOT_PRODUCT(method->set_compiled_invocation_count(0));
1109
1110 CompiledMethod* code = method->code();
1111 if (code != NULL) {
1112 code->make_not_entrant();
1113 }
1114
1115 MethodData* method_data = method->method_data();
1116 if (method_data == NULL) {
1117 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
1118 method_data = MethodData::allocate(loader_data, method, CHECK);
1119 method->set_method_data(method_data);
1120 } else {
1121 method_data->initialize();
1122 }
1123 C2V_END
1124
1125
1126 C2V_VMENTRY(void, invalidateInstalledCode, (JNIEnv*, jobject, jobject installed_code))
1127 Handle installed_code_handle = JNIHandles::resolve(installed_code);
1128 nmethod::invalidate_installed_code(installed_code_handle, CHECK);
1129 C2V_END
1130
1131 C2V_VMENTRY(jlongArray, collectCounters, (JNIEnv*, jobject))
1132 typeArrayOop arrayOop = oopFactory::new_longArray(JVMCICounterSize, CHECK_NULL);
1133 JavaThread::collect_counters(arrayOop);
1134 return (jlongArray) JNIHandles::make_local(THREAD, arrayOop);
1135 C2V_END
1136
1137 C2V_VMENTRY(int, allocateCompileId, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci))
1138 HandleMark hm;
1139 ResourceMark rm;
1140 if (JNIHandles::resolve(jvmci_method) == NULL) {
1141 THROW_0(vmSymbols::java_lang_NullPointerException());
1142 }
1143 Method* method = CompilerToVM::asMethod(jvmci_method);
1144 if (entry_bci >= method->code_size() || entry_bci < -1) {
1145 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Unexpected bci %d", entry_bci));
1146 }
1147 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
1148 C2V_END
1149
1150
1151 C2V_VMENTRY(jboolean, isMature, (JNIEnv*, jobject, jlong metaspace_method_data))
1152 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1153 return mdo != NULL && mdo->is_mature();
1154 C2V_END
1155
1156 C2V_VMENTRY(jboolean, hasCompiledCodeForOSR, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci, int comp_level))
1157 Method* method = CompilerToVM::asMethod(jvmci_method);
1158 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
1159 C2V_END
1160
1161 C2V_VMENTRY(jobject, getSymbol, (JNIEnv*, jobject, jlong symbol))
1162 Handle sym = java_lang_String::create_from_symbol((Symbol*)(address)symbol, CHECK_NULL);
1163 return JNIHandles::make_local(THREAD, sym());
1164 C2V_END
1165
1166 bool matches(jobjectArray methods, Method* method) {
1167 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods);
1168
1169 for (int i = 0; i < methods_oop->length(); i++) {
1170 oop resolved = methods_oop->obj_at(i);
1171 if (resolved->is_a(HotSpotResolvedJavaMethodImpl::klass()) && CompilerToVM::asMethod(resolved) == method) {
1172 return true;
1173 }
1174 }
1175 return false;
1176 }
1177
1178 C2V_VMENTRY(jobject, getNextStackFrame, (JNIEnv*, jobject compilerToVM, jobject hs_frame, jobjectArray methods, jint initialSkip))
1179 ResourceMark rm;
1180
1181 if (!thread->has_last_Java_frame()) return NULL;
1182 Handle result = HotSpotStackFrameReference::klass()->allocate_instance(thread);
1183 HotSpotStackFrameReference::klass()->initialize(thread);
1184
1185 StackFrameStream fst(thread);
1186 if (hs_frame != NULL) {
1187 // look for the correct stack frame if one is given
1188 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1189 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1190 fst.next();
1191 }
1192 if (fst.current()->sp() != stack_pointer) {
1193 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1194 }
1195 }
1196
1197 int frame_number = 0;
1198 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1199 if (hs_frame != NULL) {
1200 // look for the correct vframe within the stack frame if one is given
1201 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1202 while (frame_number < last_frame_number) {
1203 if (vf->is_top()) {
1204 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1205 }
1206 vf = vf->sender();
1207 frame_number ++;
1208 }
1209 // move one frame forward
1210 if (vf->is_top()) {
1211 if (fst.is_done()) {
1212 return NULL;
1213 }
1214 fst.next();
1215 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1216 frame_number = 0;
1217 } else {
1218 vf = vf->sender();
1219 frame_number++;
1220 }
1221 }
1222
1223 while (true) {
1224 // look for the given method
1225 while (true) {
1226 StackValueCollection* locals = NULL;
1227 if (vf->is_compiled_frame()) {
1228 // compiled method frame
1229 compiledVFrame* cvf = compiledVFrame::cast(vf);
1230 if (methods == NULL || matches(methods, cvf->method())) {
1231 if (initialSkip > 0) {
1232 initialSkip --;
1233 } else {
1234 ScopeDesc* scope = cvf->scope();
1235 // native wrapper do not have a scope
1236 if (scope != NULL && scope->objects() != NULL) {
1237 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), scope->objects(), THREAD);
1238 Deoptimization::reassign_fields(fst.current(), fst.register_map(), scope->objects(), realloc_failures, false);
1239
1240 GrowableArray<ScopeValue*>* local_values = scope->locals();
1241 typeArrayHandle array = oopFactory::new_boolArray(local_values->length(), thread);
1242 for (int i = 0; i < local_values->length(); i++) {
1243 ScopeValue* value = local_values->at(i);
1244 if (value->is_object()) {
1245 array->bool_at_put(i, true);
1246 }
1247 }
1248 HotSpotStackFrameReference::set_localIsVirtual(result, array());
1249 } else {
1250 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1251 }
1252
1253 locals = cvf->locals();
1254 HotSpotStackFrameReference::set_bci(result, cvf->bci());
1255 oop method = CompilerToVM::get_jvmci_method(cvf->method(), CHECK_NULL);
1256 HotSpotStackFrameReference::set_method(result, method);
1257 }
1258 }
1259 } else if (vf->is_interpreted_frame()) {
1260 // interpreted method frame
1261 interpretedVFrame* ivf = interpretedVFrame::cast(vf);
1262 if (methods == NULL || matches(methods, ivf->method())) {
1263 if (initialSkip > 0) {
1264 initialSkip --;
1265 } else {
1266 locals = ivf->locals();
1267 HotSpotStackFrameReference::set_bci(result, ivf->bci());
1268 oop method = CompilerToVM::get_jvmci_method(ivf->method(), CHECK_NULL);
1269 HotSpotStackFrameReference::set_method(result, method);
1270 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1271 }
1272 }
1273 }
1274
1275 // locals != NULL means that we found a matching frame and result is already partially initialized
1276 if (locals != NULL) {
1277 HotSpotStackFrameReference::set_compilerToVM(result, JNIHandles::resolve(compilerToVM));
1278 HotSpotStackFrameReference::set_stackPointer(result, (jlong) fst.current()->sp());
1279 HotSpotStackFrameReference::set_frameNumber(result, frame_number);
1280
1281 // initialize the locals array
1282 objArrayHandle array = oopFactory::new_objectArray(locals->size(), thread);
1283 for (int i = 0; i < locals->size(); i++) {
1284 StackValue* var = locals->at(i);
1285 if (var->type() == T_OBJECT) {
1286 array->obj_at_put(i, locals->at(i)->get_obj()());
1287 }
1288 }
1289 HotSpotStackFrameReference::set_locals(result, array());
1290
1291 return JNIHandles::make_local(thread, result());
1292 }
1293
1294 if (vf->is_top()) {
1295 break;
1296 }
1297 frame_number++;
1298 vf = vf->sender();
1299 } // end of vframe loop
1300
1301 if (fst.is_done()) {
1302 break;
1303 }
1304 fst.next();
1305 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1306 frame_number = 0;
1307 } // end of frame loop
1308
1309 // the end was reached without finding a matching method
1310 return NULL;
1311 C2V_END
1312
1313 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1314 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1315 CallInfo callInfo;
1316 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK);
1317 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index);
1318 cp_cache_entry->set_dynamic_call(cp, callInfo);
1319 C2V_END
1320
1321 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1322 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1323 KlassHandle holder = cp->klass_ref_at(index, CHECK);
1324 Symbol* name = cp->name_ref_at(index);
1325 if (MethodHandles::is_signature_polymorphic_name(holder(), name)) {
1326 CallInfo callInfo;
1327 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK);
1328 ConstantPoolCacheEntry* cp_cache_entry = cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1329 cp_cache_entry->set_method_handle(cp, callInfo);
1330 }
1331 C2V_END
1332
1333 C2V_VMENTRY(jobject, getSignaturePolymorphicHolders, (JNIEnv*, jobject))
1334 objArrayHandle holders = oopFactory::new_objArray(SystemDictionary::String_klass(), 2, CHECK_NULL);
1335 Handle mh = java_lang_String::create_from_str("Ljava/lang/invoke/MethodHandle;", CHECK_NULL);
1336 Handle vh = java_lang_String::create_from_str("Ljava/lang/invoke/VarHandle;", CHECK_NULL);
1337 holders->obj_at_put(0, mh());
1338 holders->obj_at_put(1, vh());
1339 return JNIHandles::make_local(THREAD, holders());
1340 C2V_END
1341
1342 C2V_VMENTRY(jboolean, shouldDebugNonSafepoints, (JNIEnv*, jobject))
1343 //see compute_recording_non_safepoints in debugInfroRec.cpp
1344 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
1345 return true;
1346 }
1347 return DebugNonSafepoints;
1348 C2V_END
1349
1350 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate);
1351 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv*, jobject, jobject hs_frame, bool invalidate))
1352 ResourceMark rm;
1353
1354 if (hs_frame == NULL) {
1355 THROW_MSG(vmSymbols::java_lang_NullPointerException(), "stack frame is null")
1356 }
1357
1358 HotSpotStackFrameReference::klass()->initialize(thread);
1359
1360 // look for the given stack frame
1361 StackFrameStream fst(thread);
1362 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1363 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1364 fst.next();
1365 }
1366 if (fst.current()->sp() != stack_pointer) {
1367 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1368 }
1369
1370 if (invalidate) {
1371 if (!fst.current()->is_compiled_frame()) {
1372 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1373 }
1374 assert(fst.current()->cb()->is_nmethod(), "nmethod expected");
1375 ((nmethod*) fst.current()->cb())->make_not_entrant();
1376 }
1377 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none);
1378 // look for the frame again as it has been updated by deopt (pc, deopt state...)
1379 StackFrameStream fstAfterDeopt(thread);
1380 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) {
1381 fstAfterDeopt.next();
1382 }
1383 if (fstAfterDeopt.current()->sp() != stack_pointer) {
1384 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1385 }
1386
1387 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
1388 if (!vf->is_compiled_frame()) {
1389 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1390 }
1391
1392 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10);
1393 while (true) {
1394 assert(vf->is_compiled_frame(), "Wrong frame type");
1395 virtualFrames->push(compiledVFrame::cast(vf));
1396 if (vf->is_top()) {
1397 break;
1398 }
1399 vf = vf->sender();
1400 }
1401
1402 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1403 if (last_frame_number >= virtualFrames->length()) {
1404 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1405 }
1406
1407 // Reallocate the non-escaping objects and restore their fields.
1408 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope");
1409 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
1410
1411 if (objects == NULL) {
1412 // no objects to materialize
1413 return;
1414 }
1415
1416 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), objects, THREAD);
1417 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false);
1418
1419 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
1420 compiledVFrame* cvf = virtualFrames->at(frame_index);
1421
1422 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals();
1423 StackValueCollection* locals = cvf->locals();
1424
1425 if (locals != NULL) {
1426 for (int i2 = 0; i2 < locals->size(); i2++) {
1427 StackValue* var = locals->at(i2);
1428 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) {
1429 jvalue val;
1430 val.l = (jobject) locals->at(i2)->get_obj()();
1431 cvf->update_local(T_OBJECT, i2, val);
1432 }
1433 }
1434 }
1435 }
1436
1437 // all locals are materialized by now
1438 HotSpotStackFrameReference::set_localIsVirtual(hs_frame, NULL);
1439
1440 // update the locals array
1441 objArrayHandle array = HotSpotStackFrameReference::locals(hs_frame);
1442 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals();
1443 for (int i = 0; i < locals->size(); i++) {
1444 StackValue* var = locals->at(i);
1445 if (var->type() == T_OBJECT) {
1446 array->obj_at_put(i, locals->at(i)->get_obj()());
1447 }
1448 }
1449 C2V_END
1450
1451 C2V_VMENTRY(void, writeDebugOutput, (JNIEnv*, jobject, jbyteArray bytes, jint offset, jint length))
1452 if (bytes == NULL) {
1453 THROW(vmSymbols::java_lang_NullPointerException());
1454 }
1455 typeArrayOop array = (typeArrayOop) JNIHandles::resolve(bytes);
1456
1457 // Check if offset and length are non negative.
1458 if (offset < 0 || length < 0) {
1459 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1460 }
1461 // Check if the range is valid.
1462 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array->length())) {
1463 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1464 }
1465 while (length > 0) {
1466 jbyte* start = array->byte_at_addr(offset);
1467 tty->write((char*) start, MIN2(length, O_BUFLEN));
1468 length -= O_BUFLEN;
1469 offset += O_BUFLEN;
1470 }
1471 C2V_END
1472
1473 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv*, jobject))
1474 tty->flush();
1475 C2V_END
1476
1477 C2V_VMENTRY(int, methodDataProfileDataSize, (JNIEnv*, jobject, jlong metaspace_method_data, jint position))
1478 ResourceMark rm;
1479 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1480 ProfileData* profile_data = mdo->data_at(position);
1481 if (mdo->is_valid(profile_data)) {
1482 return profile_data->size_in_bytes();
1483 }
1484 DataLayout* data = mdo->extra_data_base();
1485 DataLayout* end = mdo->extra_data_limit();
1486 for (;; data = mdo->next_extra(data)) {
1487 assert(data < end, "moved past end of extra data");
1488 profile_data = data->data_in();
1489 if (mdo->dp_to_di(profile_data->dp()) == position) {
1490 return profile_data->size_in_bytes();
1491 }
1492 }
1493 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Invalid profile data position %d", position));
1494 C2V_END
1495
1496 C2V_VMENTRY(int, interpreterFrameSize, (JNIEnv*, jobject, jobject bytecode_frame_handle))
1497 if (bytecode_frame_handle == NULL) {
1498 THROW_0(vmSymbols::java_lang_NullPointerException());
1499 }
1500
1501 oop top_bytecode_frame = JNIHandles::resolve_non_null(bytecode_frame_handle);
1502 oop bytecode_frame = top_bytecode_frame;
1503 int size = 0;
1504 int callee_parameters = 0;
1505 int callee_locals = 0;
1506 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1507 int extra_args = method->max_stack() - BytecodeFrame::numStack(bytecode_frame);
1508
1509 while (bytecode_frame != NULL) {
1510 int locks = BytecodeFrame::numLocks(bytecode_frame);
1511 int temps = BytecodeFrame::numStack(bytecode_frame);
1512 bool is_top_frame = (bytecode_frame == top_bytecode_frame);
1513 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1514
1515 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(),
1516 temps + callee_parameters,
1517 extra_args,
1518 locks,
1519 callee_parameters,
1520 callee_locals,
1521 is_top_frame);
1522 size += frame_size;
1523
1524 callee_parameters = method->size_of_parameters();
1525 callee_locals = method->max_locals();
1526 extra_args = 0;
1527 bytecode_frame = BytecodePosition::caller(bytecode_frame);
1528 }
1529 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
1530 C2V_END
1531
1532 C2V_VMENTRY(void, compileToBytecode, (JNIEnv*, jobject, jobject lambda_form_handle))
1533 Handle lambda_form = JNIHandles::resolve_non_null(lambda_form_handle);
1534 if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) {
1535 TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode", CHECK);
1536 JavaValue result(T_VOID);
1537 JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK);
1538 } else {
1539 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
1540 err_msg("Unexpected type: %s", lambda_form->klass()->external_name()));
1541 }
1542 C2V_END
1543
1544 #define CC (char*) /*cast a literal from (const char*)*/
1545 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
1546
1547 #define STRING "Ljava/lang/String;"
1548 #define OBJECT "Ljava/lang/Object;"
1549 #define CLASS "Ljava/lang/Class;"
1550 #define EXECUTABLE "Ljava/lang/reflect/Executable;"
1551 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;"
1552 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;"
1553 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;"
1554 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;"
1555 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;"
1556 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;"
1557 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;"
1558 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;"
1559 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;"
1560 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;"
1561 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;"
1562 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;"
1563 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;"
1564 #define METASPACE_METHOD_DATA "J"
1565
1566 JNINativeMethod CompilerToVM::methods[] = {
1567 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)},
1568 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)},
1569 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)},
1570 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)},
1571 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)},
1572 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)},
1573 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)},
1574 {CC "doNotInlineOrCompile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(doNotInlineOrCompile)},
1575 {CC "canInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(canInlineMethod)},
1576 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)},
1577 {CC "lookupType", CC "(" STRING CLASS "Z)" HS_RESOLVED_KLASS, FN_PTR(lookupType)},
1578 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)},
1579 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)},
1580 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)},
1581 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)},
1582 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)},
1583 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(lookupAppendixInPool)},
1584 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)},
1585 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)},
1586 {CC "resolveConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolveConstantInPool)},
1587 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolvePossiblyCachedConstantInPool)},
1588 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)},
1589 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[J)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)},
1590 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)},
1591 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)},
1592 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
1593 {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)},
1594 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)},
1595 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)},
1596 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)},
1597 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)},
1598 {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)},
1599 {CC "getResolvedJavaMethod", CC "(Ljava/lang/Object;J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)},
1600 {CC "getConstantPool", CC "(Ljava/lang/Object;)" HS_CONSTANT_POOL, FN_PTR(getConstantPool)},
1601 {CC "getResolvedJavaType", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType)},
1602 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)},
1603 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE HS_SPECULATION_LOG ")I", FN_PTR(installCode)},
1604 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)},
1605 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)},
1606 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)},
1607 {CC "executeInstalledCode", CC "([" OBJECT INSTALLED_CODE ")" OBJECT, FN_PTR(executeInstalledCode)},
1608 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)},
1609 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)},
1610 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)},
1611 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)},
1612 {CC "invalidateInstalledCode", CC "(" INSTALLED_CODE ")V", FN_PTR(invalidateInstalledCode)},
1613 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)},
1614 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)},
1615 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)},
1616 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)},
1617 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)},
1618 {CC "getNextStackFrame", CC "(" HS_STACK_FRAME_REF "[" RESOLVED_METHOD "I)" HS_STACK_FRAME_REF, FN_PTR(getNextStackFrame)},
1619 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)},
1620 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)},
1621 {CC "writeDebugOutput", CC "([BII)V", FN_PTR(writeDebugOutput)},
1622 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)},
1623 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)},
1624 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)},
1625 {CC "compileToBytecode", CC "(" OBJECT ")V", FN_PTR(compileToBytecode)},
1626 };
1627
1628 int CompilerToVM::methods_count() {
1629 return sizeof(methods) / sizeof(JNINativeMethod);
1630 }
1631