1 /*
2 * Copyright (c) 2011, 2017, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 #include "precompiled.hpp"
25 #include "classfile/javaClasses.inline.hpp"
26 #include "code/codeCache.hpp"
27 #include "code/scopeDesc.hpp"
28 #include "interpreter/linkResolver.hpp"
29 #include "memory/oopFactory.hpp"
30 #include "memory/resourceArea.hpp"
31 #include "oops/generateOopMap.hpp"
32 #include "oops/fieldStreams.hpp"
33 #include "oops/oop.inline.hpp"
34 #include "oops/objArrayOop.inline.hpp"
35 #include "runtime/fieldDescriptor.hpp"
36 #include "runtime/javaCalls.hpp"
37 #include "jvmci/jvmciRuntime.hpp"
38 #include "compiler/abstractCompiler.hpp"
39 #include "compiler/compileBroker.hpp"
40 #include "compiler/compilerOracle.hpp"
41 #include "compiler/disassembler.hpp"
42 #include "compiler/oopMap.hpp"
43 #include "jvmci/jvmciCompilerToVM.hpp"
44 #include "jvmci/jvmciCompiler.hpp"
45 #include "jvmci/jvmciEnv.hpp"
46 #include "jvmci/jvmciJavaClasses.hpp"
47 #include "jvmci/jvmciCodeInstaller.hpp"
48 #include "jvmci/vmStructs_jvmci.hpp"
49 #include "gc/g1/heapRegion.hpp"
50 #include "runtime/javaCalls.hpp"
51 #include "runtime/deoptimization.hpp"
52 #include "runtime/timerTrace.hpp"
53 #include "runtime/vframe.hpp"
54 #include "runtime/vframe_hp.hpp"
55 #include "runtime/vmStructs.hpp"
56
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(Handle(THREAD, 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_handle(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_handle(VMField::klass(), len, CHECK_NULL);
254 for (int i = 0; i < len ; i++) {
255 HandleMark hm(THREAD);
256 VMStructEntry vmField = JVMCIVMStructs::localHotSpotVMStructs[i];
257 instanceHandle vmFieldObj = InstanceKlass::cast(VMField::klass())->allocate_instance_handle(CHECK_NULL);
258 size_t name_buf_len = strlen(vmField.typeName) + strlen(vmField.fieldName) + 2 /* "::" */;
259 char* name_buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, name_buf_len + 1);
260 sprintf(name_buf, "%s::%s", vmField.typeName, vmField.fieldName);
261 Handle name = java_lang_String::create_from_str(name_buf, CHECK_NULL);
262 Handle type = java_lang_String::create_from_str(vmField.typeString, CHECK_NULL);
263 VMField::set_name(vmFieldObj, name());
264 VMField::set_type(vmFieldObj, type());
265 VMField::set_offset(vmFieldObj, vmField.offset);
266 VMField::set_address(vmFieldObj, (jlong) vmField.address);
267 if (vmField.isStatic) {
268 if (strcmp(vmField.typeString, "bool") == 0) {
269 BOXED_LONG(value, *(jbyte*) vmField.address);
270 VMField::set_value(vmFieldObj, value);
271 } else if (strcmp(vmField.typeString, "int") == 0 ||
272 strcmp(vmField.typeString, "jint") == 0) {
273 BOXED_LONG(value, *(jint*) vmField.address);
274 VMField::set_value(vmFieldObj, value);
275 } else if (strcmp(vmField.typeString, "uint64_t") == 0) {
276 BOXED_LONG(value, *(uint64_t*) vmField.address);
277 VMField::set_value(vmFieldObj, value);
278 } else if (strcmp(vmField.typeString, "address") == 0 ||
279 strcmp(vmField.typeString, "intptr_t") == 0 ||
280 strcmp(vmField.typeString, "uintptr_t") == 0 ||
281 strcmp(vmField.typeString, "size_t") == 0 ||
282 // All foo* types are addresses.
283 vmField.typeString[strlen(vmField.typeString) - 1] == '*') {
284 BOXED_LONG(value, *((address*) vmField.address));
285 VMField::set_value(vmFieldObj, value);
286 } else {
287 JVMCI_ERROR_NULL("VM field %s has unsupported type %s", name_buf, vmField.typeString);
288 }
289 }
290 vmFields->obj_at_put(i, vmFieldObj());
291 }
292
293 len = JVMCIVMStructs::localHotSpotVMTypes_count();
294 objArrayHandle vmTypes = oopFactory::new_objArray_handle(SystemDictionary::Object_klass(), len * 2, CHECK_NULL);
295 for (int i = 0; i < len ; i++) {
296 HandleMark hm(THREAD);
297 VMTypeEntry vmType = JVMCIVMStructs::localHotSpotVMTypes[i];
298 Handle name = java_lang_String::create_from_str(vmType.typeName, CHECK_NULL);
299 BOXED_LONG(size, vmType.size);
300 vmTypes->obj_at_put(i * 2, name());
301 vmTypes->obj_at_put(i * 2 + 1, size);
302 }
303
304 int ints_len = JVMCIVMStructs::localHotSpotVMIntConstants_count();
305 int longs_len = JVMCIVMStructs::localHotSpotVMLongConstants_count();
306 len = ints_len + longs_len;
307 objArrayHandle vmConstants = oopFactory::new_objArray_handle(SystemDictionary::Object_klass(), len * 2, CHECK_NULL);
308 int insert = 0;
309 for (int i = 0; i < ints_len ; i++) {
310 HandleMark hm(THREAD);
311 VMIntConstantEntry c = JVMCIVMStructs::localHotSpotVMIntConstants[i];
312 Handle name = java_lang_String::create_from_str(c.name, CHECK_NULL);
313 BOXED_LONG(value, c.value);
314 vmConstants->obj_at_put(insert++, name());
315 vmConstants->obj_at_put(insert++, value);
316 }
317 for (int i = 0; i < longs_len ; i++) {
318 HandleMark hm(THREAD);
319 VMLongConstantEntry c = JVMCIVMStructs::localHotSpotVMLongConstants[i];
320 Handle name = java_lang_String::create_from_str(c.name, CHECK_NULL);
321 BOXED_LONG(value, c.value);
322 vmConstants->obj_at_put(insert++, name());
323 vmConstants->obj_at_put(insert++, value);
324 }
325 assert(insert == len * 2, "must be");
326
327 len = JVMCIVMStructs::localHotSpotVMAddresses_count();
328 objArrayHandle vmAddresses = oopFactory::new_objArray_handle(SystemDictionary::Object_klass(), len * 2, CHECK_NULL);
329 for (int i = 0; i < len ; i++) {
330 HandleMark hm(THREAD);
331 VMAddressEntry a = JVMCIVMStructs::localHotSpotVMAddresses[i];
332 Handle name = java_lang_String::create_from_str(a.name, CHECK_NULL);
333 BOXED_LONG(value, a.value);
334 vmAddresses->obj_at_put(i * 2, name());
335 vmAddresses->obj_at_put(i * 2 + 1, value);
336 }
337
338 // The last entry is the null entry.
339 len = (int) Flag::numFlags - 1;
340 objArrayHandle vmFlags = oopFactory::new_objArray_handle(VMFlag::klass(), len, CHECK_NULL);
341 for (int i = 0; i < len; i++) {
342 HandleMark hm(THREAD);
343 Flag* flag = &Flag::flags[i];
344 instanceHandle vmFlagObj = InstanceKlass::cast(VMFlag::klass())->allocate_instance_handle(CHECK_NULL);
345 Handle name = java_lang_String::create_from_str(flag->_name, CHECK_NULL);
346 Handle type = java_lang_String::create_from_str(flag->_type, CHECK_NULL);
347 VMFlag::set_name(vmFlagObj, name());
348 VMFlag::set_type(vmFlagObj, type());
349 if (flag->is_bool()) {
350 BOXED_LONG(value, flag->get_bool());
351 VMFlag::set_value(vmFlagObj, value);
352 } else if (flag->is_ccstr()) {
353 Handle value = java_lang_String::create_from_str(flag->get_ccstr(), CHECK_NULL);
354 VMFlag::set_value(vmFlagObj, value());
355 } else if (flag->is_int()) {
356 BOXED_LONG(value, flag->get_int());
357 VMFlag::set_value(vmFlagObj, value);
358 } else if (flag->is_intx()) {
359 BOXED_LONG(value, flag->get_intx());
360 VMFlag::set_value(vmFlagObj, value);
361 } else if (flag->is_uint()) {
362 BOXED_LONG(value, flag->get_uint());
363 VMFlag::set_value(vmFlagObj, value);
364 } else if (flag->is_uint64_t()) {
365 BOXED_LONG(value, flag->get_uint64_t());
366 VMFlag::set_value(vmFlagObj, value);
367 } else if (flag->is_uintx()) {
368 BOXED_LONG(value, flag->get_uintx());
369 VMFlag::set_value(vmFlagObj, value);
370 } else if (flag->is_double()) {
371 BOXED_DOUBLE(value, flag->get_double());
372 VMFlag::set_value(vmFlagObj, value);
373 } else if (flag->is_size_t()) {
374 BOXED_LONG(value, flag->get_size_t());
375 VMFlag::set_value(vmFlagObj, value);
376 } else {
377 JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type);
378 }
379 vmFlags->obj_at_put(i, vmFlagObj());
380 }
381
382 objArrayHandle vmIntrinsics = CompilerToVM::initialize_intrinsics(CHECK_NULL);
383
384 objArrayOop data = oopFactory::new_objArray(SystemDictionary::Object_klass(), 6, CHECK_NULL);
385 data->obj_at_put(0, vmFields());
386 data->obj_at_put(1, vmTypes());
387 data->obj_at_put(2, vmConstants());
388 data->obj_at_put(3, vmAddresses());
389 data->obj_at_put(4, vmFlags());
390 data->obj_at_put(5, vmIntrinsics());
391
392 return (jobjectArray) JNIHandles::make_local(THREAD, data);
393 #undef BOXED_LONG
394 #undef BOXED_DOUBLE
395 C2V_END
396
397 C2V_VMENTRY(jbyteArray, getBytecode, (JNIEnv *, jobject, jobject jvmci_method))
398 methodHandle method = CompilerToVM::asMethod(jvmci_method);
399 ResourceMark rm;
400
401 int code_size = method->code_size();
402 typeArrayOop reconstituted_code = oopFactory::new_byteArray(code_size, CHECK_NULL);
403
404 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten");
405 // iterate over all bytecodes and replace non-Java bytecodes
406
407 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) {
408 Bytecodes::Code code = s.code();
409 Bytecodes::Code raw_code = s.raw_code();
410 int bci = s.bci();
411 int len = s.instruction_size();
412
413 // Restore original byte code.
414 reconstituted_code->byte_at_put(bci, (jbyte) (s.is_wide()? Bytecodes::_wide : code));
415 if (len > 1) {
416 memcpy(reconstituted_code->byte_at_addr(bci + 1), s.bcp()+1, len-1);
417 }
418
419 if (len > 1) {
420 // Restore the big-endian constant pool indexes.
421 // Cf. Rewriter::scan_method
422 switch (code) {
423 case Bytecodes::_getstatic:
424 case Bytecodes::_putstatic:
425 case Bytecodes::_getfield:
426 case Bytecodes::_putfield:
427 case Bytecodes::_invokevirtual:
428 case Bytecodes::_invokespecial:
429 case Bytecodes::_invokestatic:
430 case Bytecodes::_invokeinterface:
431 case Bytecodes::_invokehandle: {
432 int cp_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
433 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
434 break;
435 }
436
437 case Bytecodes::_invokedynamic:
438 int cp_index = Bytes::get_native_u4((address) reconstituted_code->byte_at_addr(bci + 1));
439 Bytes::put_Java_u4((address) reconstituted_code->byte_at_addr(bci + 1), (u4) cp_index);
440 break;
441 }
442
443 // Not all ldc byte code are rewritten.
444 switch (raw_code) {
445 case Bytecodes::_fast_aldc: {
446 int cpc_index = reconstituted_code->byte_at(bci + 1) & 0xff;
447 int cp_index = method->constants()->object_to_cp_index(cpc_index);
448 assert(cp_index < method->constants()->length(), "sanity check");
449 reconstituted_code->byte_at_put(bci + 1, (jbyte) cp_index);
450 break;
451 }
452
453 case Bytecodes::_fast_aldc_w: {
454 int cpc_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
455 int cp_index = method->constants()->object_to_cp_index(cpc_index);
456 assert(cp_index < method->constants()->length(), "sanity check");
457 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
458 break;
459 }
460 }
461 }
462 }
463
464 return (jbyteArray) JNIHandles::make_local(THREAD, reconstituted_code);
465 C2V_END
466
467 C2V_VMENTRY(jint, getExceptionTableLength, (JNIEnv *, jobject, jobject jvmci_method))
468 ResourceMark rm;
469 methodHandle method = CompilerToVM::asMethod(jvmci_method);
470 return method->exception_table_length();
471 C2V_END
472
473 C2V_VMENTRY(jlong, getExceptionTableStart, (JNIEnv *, jobject, jobject jvmci_method))
474 ResourceMark rm;
475 methodHandle method = CompilerToVM::asMethod(jvmci_method);
476 if (method->exception_table_length() == 0) {
477 return 0L;
478 }
479 return (jlong) (address) method->exception_table_start();
480 C2V_END
481
482 C2V_VMENTRY(jobject, asResolvedJavaMethod, (JNIEnv *, jobject, jobject executable_handle))
483 oop executable = JNIHandles::resolve(executable_handle);
484 oop mirror = NULL;
485 int slot = 0;
486
487 if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) {
488 mirror = java_lang_reflect_Constructor::clazz(executable);
489 slot = java_lang_reflect_Constructor::slot(executable);
490 } else {
491 assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type");
492 mirror = java_lang_reflect_Method::clazz(executable);
493 slot = java_lang_reflect_Method::slot(executable);
494 }
495 Klass* holder = java_lang_Class::as_Klass(mirror);
496 methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot);
497 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
498 return JNIHandles::make_local(THREAD, result);
499 }
500
501 C2V_VMENTRY(jobject, getResolvedJavaMethod, (JNIEnv *, jobject, jobject base, jlong offset))
502 methodHandle method;
503 oop base_object = JNIHandles::resolve(base);
504 if (base_object == NULL) {
505 method = *((Method**)(offset));
506 } else if (base_object->is_a(SystemDictionary::MemberName_klass())) {
507 method = (Method*) (intptr_t) base_object->long_field(offset);
508 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
509 method = *((Method**)(HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object) + offset));
510 } else {
511 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
512 err_msg("Unexpected type: %s", base_object->klass()->external_name()));
513 }
514 assert (method.is_null() || method->is_method(), "invalid read");
515 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
516 return JNIHandles::make_local(THREAD, result);
517 }
518
519 C2V_VMENTRY(jobject, getConstantPool, (JNIEnv *, jobject, jobject object_handle))
520 constantPoolHandle cp;
521 oop object = JNIHandles::resolve(object_handle);
522 if (object == NULL) {
523 THROW_0(vmSymbols::java_lang_NullPointerException());
524 }
525 if (object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
526 cp = CompilerToVM::asMethod(object)->constMethod()->constants();
527 } else if (object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
528 cp = InstanceKlass::cast(CompilerToVM::asKlass(object))->constants();
529 } else {
530 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
531 err_msg("Unexpected type: %s", object->klass()->external_name()));
532 }
533 assert(!cp.is_null(), "npe");
534 JavaValue method_result(T_OBJECT);
535 JavaCallArguments args;
536 args.push_long((jlong) (address) cp());
537 JavaCalls::call_static(&method_result, SystemDictionary::HotSpotConstantPool_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::constantPool_fromMetaspace_signature(), &args, CHECK_NULL);
538 return JNIHandles::make_local(THREAD, (oop)method_result.get_jobject());
539 }
540
541 C2V_VMENTRY(jobject, getResolvedJavaType, (JNIEnv *, jobject, jobject base, jlong offset, jboolean compressed))
542 KlassHandle klass;
543 oop base_object = JNIHandles::resolve(base);
544 jlong base_address = 0;
545 if (base_object != NULL && offset == oopDesc::klass_offset_in_bytes()) {
546 klass = base_object->klass();
547 } else if (!compressed) {
548 if (base_object != NULL) {
549 if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
550 base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object);
551 } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) {
552 base_address = HotSpotConstantPool::metaspaceConstantPool(base_object);
553 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
554 base_address = (jlong) CompilerToVM::asKlass(base_object);
555 } else if (base_object->is_a(SystemDictionary::Class_klass())) {
556 base_address = (jlong) (address) base_object;
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 }
562 klass = *((Klass**) (intptr_t) (base_address + offset));
563 } else {
564 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
565 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
566 }
567 assert (klass.is_null() || klass->is_klass(), "invalid read");
568 oop result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
569 return JNIHandles::make_local(THREAD, result);
570 }
571
572 C2V_VMENTRY(jobject, findUniqueConcreteMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
573 ResourceMark rm;
574 methodHandle method = CompilerToVM::asMethod(jvmci_method);
575 KlassHandle holder = CompilerToVM::asKlass(jvmci_type);
576 if (holder->is_interface()) {
577 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", holder->external_name()));
578 }
579
580 methodHandle ucm;
581 {
582 MutexLocker locker(Compile_lock);
583 ucm = Dependencies::find_unique_concrete_method(holder(), method());
584 }
585 oop result = CompilerToVM::get_jvmci_method(ucm, CHECK_NULL);
586 return JNIHandles::make_local(THREAD, result);
587 C2V_END
588
589 C2V_VMENTRY(jobject, getImplementor, (JNIEnv *, jobject, jobject jvmci_type))
590 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type);
591 oop implementor = CompilerToVM::get_jvmci_type(klass->implementor(), CHECK_NULL);
592 return JNIHandles::make_local(THREAD, implementor);
593 C2V_END
594
595 C2V_VMENTRY(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv *, jobject, jobject jvmci_method))
596 methodHandle method = CompilerToVM::asMethod(jvmci_method);
597 return method->is_ignored_by_security_stack_walk();
598 C2V_END
599
600 C2V_VMENTRY(jboolean, isCompilable,(JNIEnv *, jobject, jobject jvmci_method))
601 methodHandle method = CompilerToVM::asMethod(jvmci_method);
602 // Ignore the not_compilable flags in hosted mode since they are never set by
603 // the JVMCI compiler.
604 return UseJVMCICompiler || !method->is_not_compilable(CompLevel_full_optimization);
605 C2V_END
606
607 C2V_VMENTRY(jboolean, hasNeverInlineDirective,(JNIEnv *, jobject, jobject jvmci_method))
608 methodHandle method = CompilerToVM::asMethod(jvmci_method);
609 return CompilerOracle::should_not_inline(method) || method->dont_inline();
610 C2V_END
611
612 C2V_VMENTRY(jboolean, shouldInlineMethod,(JNIEnv *, jobject, jobject jvmci_method))
613 methodHandle method = CompilerToVM::asMethod(jvmci_method);
614 return CompilerOracle::should_inline(method) || method->force_inline();
615 C2V_END
616
617 C2V_VMENTRY(jobject, lookupType, (JNIEnv*, jobject, jstring jname, jclass accessing_class, jboolean resolve))
618 ResourceMark rm;
619 Handle name(THREAD, JNIHandles::resolve(jname));
620 Symbol* class_name = java_lang_String::as_symbol(name(), CHECK_0);
621 if (java_lang_String::length(name()) <= 1) {
622 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string()));
623 }
624
625 Klass* resolved_klass = NULL;
626 if (JNIHandles::resolve(accessing_class) == NULL) {
627 THROW_0(vmSymbols::java_lang_NullPointerException());
628 }
629 Klass* accessing_klass = java_lang_Class::as_Klass(JNIHandles::resolve(accessing_class));
630 Handle class_loader(THREAD, accessing_klass->class_loader());
631 Handle protection_domain(THREAD, accessing_klass->protection_domain());
632
633 if (resolve) {
634 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0);
635 } else {
636 if (class_name->byte_at(0) == 'L' &&
637 class_name->byte_at(class_name->utf8_length()-1) == ';') {
638 // This is a name from a signature. Strip off the trimmings.
639 // Call recursive to keep scope of strippedsym.
640 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1,
641 class_name->utf8_length()-2,
642 CHECK_0);
643 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0);
644 } else if (FieldType::is_array(class_name)) {
645 FieldArrayInfo fd;
646 // dimension and object_key in FieldArrayInfo are assigned as a side-effect
647 // of this call
648 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0);
649 if (t == T_OBJECT) {
650 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(),
651 class_name->utf8_length()-2-fd.dimension(),
652 CHECK_0);
653 // naked oop "k" is OK here -- we assign back into it
654 resolved_klass = SystemDictionary::find(strippedsym,
655 class_loader,
656 protection_domain,
657 CHECK_0);
658 if (resolved_klass != NULL) {
659 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0);
660 }
661 } else {
662 resolved_klass = Universe::typeArrayKlassObj(t);
663 resolved_klass = TypeArrayKlass::cast(resolved_klass)->array_klass(fd.dimension(), CHECK_0);
664 }
665 }
666 }
667 oop result = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
668 return JNIHandles::make_local(THREAD, result);
669 C2V_END
670
671 C2V_VMENTRY(jobject, resolveConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
672 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
673 oop result = cp->resolve_constant_at(index, CHECK_NULL);
674 return JNIHandles::make_local(THREAD, result);
675 C2V_END
676
677 C2V_VMENTRY(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
678 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
679 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL);
680 return JNIHandles::make_local(THREAD, result);
681 C2V_END
682
683 C2V_VMENTRY(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
684 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
685 return cp->name_and_type_ref_index_at(index);
686 C2V_END
687
688 C2V_VMENTRY(jobject, lookupNameInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
689 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
690 Handle sym = java_lang_String::create_from_symbol(cp->name_ref_at(which), CHECK_NULL);
691 return JNIHandles::make_local(THREAD, sym());
692 C2V_END
693
694 C2V_VMENTRY(jobject, lookupSignatureInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
695 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
696 Handle sym = java_lang_String::create_from_symbol(cp->signature_ref_at(which), CHECK_NULL);
697 return JNIHandles::make_local(THREAD, sym());
698 C2V_END
699
700 C2V_VMENTRY(jint, lookupKlassRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
701 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
702 return cp->klass_ref_index_at(index);
703 C2V_END
704
705 C2V_VMENTRY(jobject, resolveTypeInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
706 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
707 Klass* resolved_klass = cp->klass_at(index, CHECK_NULL);
708 oop klass = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
709 return JNIHandles::make_local(THREAD, klass);
710 C2V_END
711
712 C2V_VMENTRY(jobject, lookupKlassInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
713 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
714 KlassHandle loading_klass(cp->pool_holder());
715 bool is_accessible = false;
716 KlassHandle klass = JVMCIEnv::get_klass_by_index(cp, index, is_accessible, loading_klass);
717 Symbol* symbol = NULL;
718 if (klass.is_null()) {
719 symbol = cp->klass_name_at(index);
720 }
721 oop result_oop;
722 if (!klass.is_null()) {
723 result_oop = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
724 } else {
725 Handle result = java_lang_String::create_from_symbol(symbol, CHECK_NULL);
726 result_oop = result();
727 }
728 return JNIHandles::make_local(THREAD, result_oop);
729 C2V_END
730
731 C2V_VMENTRY(jobject, lookupAppendixInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
732 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
733 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index);
734 return JNIHandles::make_local(THREAD, appendix_oop);
735 C2V_END
736
737 C2V_VMENTRY(jobject, lookupMethodInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
738 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
739 instanceKlassHandle pool_holder(cp->pool_holder());
740 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
741 methodHandle method = JVMCIEnv::get_method_by_index(cp, index, bc, pool_holder);
742 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
743 return JNIHandles::make_local(THREAD, result);
744 C2V_END
745
746 C2V_VMENTRY(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
747 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
748 return cp->remap_instruction_operand_from_cache(index);
749 C2V_END
750
751 C2V_VMENTRY(jobject, resolveFieldInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jlongArray info_handle))
752 ResourceMark rm;
753 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
754 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF);
755 fieldDescriptor fd;
756 LinkInfo link_info(cp, index, (jvmci_method != NULL) ? CompilerToVM::asMethod(jvmci_method) : NULL, CHECK_0);
757 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0);
758 typeArrayOop info = (typeArrayOop) JNIHandles::resolve(info_handle);
759 assert(info != NULL && info->length() == 2, "must be");
760 info->long_at_put(0, (jlong) fd.access_flags().as_int());
761 info->long_at_put(1, (jlong) fd.offset());
762 oop field_holder = CompilerToVM::get_jvmci_type(fd.field_holder(), CHECK_NULL);
763 return JNIHandles::make_local(THREAD, field_holder);
764 C2V_END
765
766 C2V_VMENTRY(jint, getVtableIndexForInterfaceMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
767 ResourceMark rm;
768 Klass* klass = CompilerToVM::asKlass(jvmci_type);
769 Method* method = CompilerToVM::asMethod(jvmci_method);
770 if (klass->is_interface()) {
771 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", klass->external_name()));
772 }
773 if (!method->method_holder()->is_interface()) {
774 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()));
775 }
776 if (!InstanceKlass::cast(klass)->is_linked()) {
777 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Class %s must be linked", klass->external_name()));
778 }
779 return LinkResolver::vtable_index_of_interface_method(klass, method);
780 C2V_END
781
782 C2V_VMENTRY(jobject, resolveMethod, (JNIEnv *, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type))
783 KlassHandle recv_klass = CompilerToVM::asKlass(receiver_jvmci_type);
784 KlassHandle caller_klass = CompilerToVM::asKlass(caller_jvmci_type);
785 methodHandle method = CompilerToVM::asMethod(jvmci_method);
786
787 KlassHandle h_resolved (THREAD, method->method_holder());
788 Symbol* h_name = method->name();
789 Symbol* h_signature = method->signature();
790
791 if (MethodHandles::is_signature_polymorphic_method(method())) {
792 // Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case.
793 return NULL;
794 }
795
796 LinkInfo link_info(h_resolved, h_name, h_signature, caller_klass);
797 methodHandle m;
798 // Only do exact lookup if receiver klass has been linked. Otherwise,
799 // the vtable has not been setup, and the LinkResolver will fail.
800 if (recv_klass->is_array_klass() ||
801 InstanceKlass::cast(recv_klass())->is_linked() && !recv_klass->is_interface()) {
802 if (h_resolved->is_interface()) {
803 m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info);
804 } else {
805 m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info);
806 }
807 }
808
809 if (m.is_null()) {
810 // Return NULL if there was a problem with lookup (uninitialized class, etc.)
811 return NULL;
812 }
813
814 oop result = CompilerToVM::get_jvmci_method(m, CHECK_NULL);
815 return JNIHandles::make_local(THREAD, result);
816 C2V_END
817
818 C2V_VMENTRY(jboolean, hasFinalizableSubclass,(JNIEnv *, jobject, jobject jvmci_type))
819 Klass* klass = CompilerToVM::asKlass(jvmci_type);
820 assert(klass != NULL, "method must not be called for primitive types");
821 return Dependencies::find_finalizable_subclass(klass) != NULL;
822 C2V_END
823
824 C2V_VMENTRY(jobject, getClassInitializer, (JNIEnv *, jobject, jobject jvmci_type))
825 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type);
826 oop result = CompilerToVM::get_jvmci_method(klass->class_initializer(), CHECK_NULL);
827 return JNIHandles::make_local(THREAD, result);
828 C2V_END
829
830 C2V_VMENTRY(jlong, getMaxCallTargetOffset, (JNIEnv*, jobject, jlong addr))
831 address target_addr = (address) addr;
832 if (target_addr != 0x0) {
833 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int));
834 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int));
835 return MAX2(ABS(off_low), ABS(off_high));
836 }
837 return -1;
838 C2V_END
839
840 C2V_VMENTRY(void, doNotInlineOrCompile,(JNIEnv *, jobject, jobject jvmci_method))
841 methodHandle method = CompilerToVM::asMethod(jvmci_method);
842 method->set_not_c1_compilable();
843 method->set_not_c2_compilable();
844 method->set_dont_inline(true);
845 C2V_END
846
847 C2V_VMENTRY(jint, installCode, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject installed_code, jobject speculation_log))
848 ResourceMark rm;
849 HandleMark hm;
850 Handle target_handle(THREAD, JNIHandles::resolve(target));
851 Handle compiled_code_handle(THREAD, JNIHandles::resolve(compiled_code));
852 CodeBlob* cb = NULL;
853 Handle installed_code_handle(THREAD, JNIHandles::resolve(installed_code));
854 Handle speculation_log_handle(THREAD, JNIHandles::resolve(speculation_log));
855
856 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK_JNI_ERR);
857
858 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer());
859 bool is_immutable_PIC = HotSpotCompiledCode::isImmutablePIC(compiled_code_handle) > 0;
860 CodeInstaller installer(is_immutable_PIC);
861 JVMCIEnv::CodeInstallResult result = installer.install(compiler, target_handle, compiled_code_handle, cb, installed_code_handle, speculation_log_handle, CHECK_0);
862
863 if (PrintCodeCacheOnCompilation) {
864 stringStream s;
865 // Dump code cache into a buffer before locking the tty,
866 {
867 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
868 CodeCache::print_summary(&s, false);
869 }
870 ttyLocker ttyl;
871 tty->print_raw_cr(s.as_string());
872 }
873
874 if (result != JVMCIEnv::ok) {
875 assert(cb == NULL, "should be");
876 } else {
877 if (!installed_code_handle.is_null()) {
878 assert(installed_code_handle->is_a(InstalledCode::klass()), "wrong type");
879 nmethod::invalidate_installed_code(installed_code_handle, CHECK_0);
880 {
881 // Ensure that all updates to the InstalledCode fields are consistent.
882 MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag);
883 InstalledCode::set_address(installed_code_handle, (jlong) cb);
884 InstalledCode::set_version(installed_code_handle, InstalledCode::version(installed_code_handle) + 1);
885 if (cb->is_nmethod()) {
886 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->as_nmethod_or_null()->verified_entry_point());
887 } else {
888 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->code_begin());
889 }
890 if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) {
891 HotSpotInstalledCode::set_size(installed_code_handle, cb->size());
892 HotSpotInstalledCode::set_codeStart(installed_code_handle, (jlong) cb->code_begin());
893 HotSpotInstalledCode::set_codeSize(installed_code_handle, cb->code_size());
894 }
895 }
896 nmethod* nm = cb->as_nmethod_or_null();
897 if (nm != NULL && installed_code_handle->is_scavengable()) {
898 assert(nm->detect_scavenge_root_oops(), "nm should be scavengable if installed_code is scavengable");
899 if (!UseG1GC) {
900 assert(nm->on_scavenge_root_list(), "nm should be on scavengable list");
901 }
902 }
903 }
904 }
905 return result;
906 C2V_END
907
908 C2V_VMENTRY(jint, getMetadata, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject metadata))
909 ResourceMark rm;
910 HandleMark hm;
911
912 Handle target_handle(THREAD, JNIHandles::resolve(target));
913 Handle compiled_code_handle(THREAD, JNIHandles::resolve(compiled_code));
914 Handle metadata_handle(THREAD, JNIHandles::resolve(metadata));
915
916 CodeMetadata code_metadata;
917 CodeBlob *cb = NULL;
918 CodeInstaller installer(true /* immutable PIC compilation */);
919
920 JVMCIEnv::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, CHECK_0);
921 if (result != JVMCIEnv::ok) {
922 return result;
923 }
924
925 if (code_metadata.get_nr_pc_desc() > 0) {
926 typeArrayHandle pcArrayOop = oopFactory::new_byteArray_handle(sizeof(PcDesc) * code_metadata.get_nr_pc_desc(), CHECK_(JVMCIEnv::cache_full));
927 memcpy(pcArrayOop->byte_at_addr(0), code_metadata.get_pc_desc(), sizeof(PcDesc) * code_metadata.get_nr_pc_desc());
928 HotSpotMetaData::set_pcDescBytes(metadata_handle, pcArrayOop());
929 }
930
931 if (code_metadata.get_scopes_size() > 0) {
932 typeArrayHandle scopesArrayOop = oopFactory::new_byteArray_handle(code_metadata.get_scopes_size(), CHECK_(JVMCIEnv::cache_full));
933 memcpy(scopesArrayOop->byte_at_addr(0), code_metadata.get_scopes_desc(), code_metadata.get_scopes_size());
934 HotSpotMetaData::set_scopesDescBytes(metadata_handle, scopesArrayOop());
935 }
936
937 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer();
938 typeArrayHandle relocArrayOop = oopFactory::new_byteArray_handle((int) reloc_buffer->size(), CHECK_(JVMCIEnv::cache_full));
939 if (reloc_buffer->size() > 0) {
940 memcpy(relocArrayOop->byte_at_addr(0), reloc_buffer->begin(), reloc_buffer->size());
941 }
942 HotSpotMetaData::set_relocBytes(metadata_handle, relocArrayOop());
943
944 const OopMapSet* oopMapSet = installer.oopMapSet();
945 {
946 ResourceMark mark;
947 ImmutableOopMapBuilder builder(oopMapSet);
948 int oopmap_size = builder.heap_size();
949 typeArrayHandle oopMapArrayHandle = oopFactory::new_byteArray_handle(oopmap_size, CHECK_(JVMCIEnv::cache_full));
950 builder.generate_into((address) oopMapArrayHandle->byte_at_addr(0));
951 HotSpotMetaData::set_oopMaps(metadata_handle, oopMapArrayHandle());
952 }
953
954 AOTOopRecorder* recorder = code_metadata.get_oop_recorder();
955
956 int nr_meta_strings = recorder->nr_meta_strings();
957 objArrayOop metadataArray = oopFactory::new_objectArray(nr_meta_strings, CHECK_(JVMCIEnv::cache_full));
958 objArrayHandle metadataArrayHandle(THREAD, metadataArray);
959 for (int i = 0; i < nr_meta_strings; ++i) {
960 const char* element = recorder->meta_element(i);
961 Handle java_string = java_lang_String::create_from_str(element, CHECK_(JVMCIEnv::cache_full));
962 metadataArrayHandle->obj_at_put(i, java_string());
963 }
964 HotSpotMetaData::set_metadata(metadata_handle, metadataArrayHandle());
965
966 ExceptionHandlerTable* handler = code_metadata.get_exception_table();
967 int table_size = handler->size_in_bytes();
968 typeArrayHandle exceptionArrayOop = oopFactory::new_byteArray_handle(table_size, CHECK_(JVMCIEnv::cache_full));
969
970 if (table_size > 0) {
971 handler->copy_bytes_to((address) exceptionArrayOop->byte_at_addr(0));
972 }
973 HotSpotMetaData::set_exceptionBytes(metadata_handle, exceptionArrayOop());
974
975 return result;
976 C2V_END
977
978 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv *jniEnv, jobject))
979 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK);
980 CompilerStatistics* stats = compiler->stats();
981 stats->_standard.reset();
982 stats->_osr.reset();
983 C2V_END
984
985 C2V_VMENTRY(jobject, disassembleCodeBlob, (JNIEnv *jniEnv, jobject, jobject installedCode))
986 ResourceMark rm;
987 HandleMark hm;
988
989 if (installedCode == NULL) {
990 THROW_MSG_NULL(vmSymbols::java_lang_NullPointerException(), "installedCode is null");
991 }
992
993 jlong codeBlob = InstalledCode::address(installedCode);
994 if (codeBlob == 0L) {
995 return NULL;
996 }
997
998 CodeBlob* cb = (CodeBlob*) (address) codeBlob;
999 if (cb == NULL) {
1000 return NULL;
1001 }
1002
1003 // We don't want the stringStream buffer to resize during disassembly as it
1004 // uses scoped resource memory. If a nested function called during disassembly uses
1005 // a ResourceMark and the buffer expands within the scope of the mark,
1006 // the buffer becomes garbage when that scope is exited. Experience shows that
1007 // the disassembled code is typically about 10x the code size so a fixed buffer
1008 // sized to 20x code size plus a fixed amount for header info should be sufficient.
1009 int bufferSize = cb->code_size() * 20 + 1024;
1010 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize);
1011 stringStream st(buffer, bufferSize);
1012 if (cb->is_nmethod()) {
1013 nmethod* nm = (nmethod*) cb;
1014 if (!nm->is_alive()) {
1015 return NULL;
1016 }
1017 }
1018 Disassembler::decode(cb, &st);
1019 if (st.size() <= 0) {
1020 return NULL;
1021 }
1022
1023 Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL);
1024 return JNIHandles::make_local(THREAD, result());
1025 C2V_END
1026
1027 C2V_VMENTRY(jobject, getStackTraceElement, (JNIEnv*, jobject, jobject jvmci_method, int bci))
1028 ResourceMark rm;
1029 HandleMark hm;
1030
1031 methodHandle method = CompilerToVM::asMethod(jvmci_method);
1032 oop element = java_lang_StackTraceElement::create(method, bci, CHECK_NULL);
1033 return JNIHandles::make_local(THREAD, element);
1034 C2V_END
1035
1036 C2V_VMENTRY(jobject, executeInstalledCode, (JNIEnv*, jobject, jobject args, jobject hotspotInstalledCode))
1037 ResourceMark rm;
1038 HandleMark hm;
1039
1040 jlong nmethodValue = InstalledCode::address(hotspotInstalledCode);
1041 if (nmethodValue == 0L) {
1042 THROW_NULL(vmSymbols::jdk_vm_ci_code_InvalidInstalledCodeException());
1043 }
1044 nmethod* nm = (nmethod*) (address) nmethodValue;
1045 methodHandle mh = nm->method();
1046 Symbol* signature = mh->signature();
1047 JavaCallArguments jca(mh->size_of_parameters());
1048
1049 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
1050 JavaValue result(jap.get_ret_type());
1051 jca.set_alternative_target(nm);
1052 JavaCalls::call(&result, mh, &jca, CHECK_NULL);
1053
1054 if (jap.get_ret_type() == T_VOID) {
1055 return NULL;
1056 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) {
1057 return JNIHandles::make_local(THREAD, (oop) result.get_jobject());
1058 } else {
1059 jvalue *value = (jvalue *) result.get_value_addr();
1060 // Narrow the value down if required (Important on big endian machines)
1061 switch (jap.get_ret_type()) {
1062 case T_BOOLEAN:
1063 value->z = (jboolean) value->i;
1064 break;
1065 case T_BYTE:
1066 value->b = (jbyte) value->i;
1067 break;
1068 case T_CHAR:
1069 value->c = (jchar) value->i;
1070 break;
1071 case T_SHORT:
1072 value->s = (jshort) value->i;
1073 break;
1074 }
1075 oop o = java_lang_boxing_object::create(jap.get_ret_type(), value, CHECK_NULL);
1076 return JNIHandles::make_local(THREAD, o);
1077 }
1078 C2V_END
1079
1080 C2V_VMENTRY(jlongArray, getLineNumberTable, (JNIEnv *, jobject, jobject jvmci_method))
1081 Method* method = CompilerToVM::asMethod(jvmci_method);
1082 if (!method->has_linenumber_table()) {
1083 return NULL;
1084 }
1085 u2 num_entries = 0;
1086 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
1087 while (streamForSize.read_pair()) {
1088 num_entries++;
1089 }
1090
1091 CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
1092 typeArrayOop result = oopFactory::new_longArray(2 * num_entries, CHECK_NULL);
1093
1094 int i = 0;
1095 jlong value;
1096 while (stream.read_pair()) {
1097 value = ((long) stream.bci());
1098 result->long_at_put(i, value);
1099 value = ((long) stream.line());
1100 result->long_at_put(i + 1, value);
1101 i += 2;
1102 }
1103
1104 return (jlongArray) JNIHandles::make_local(THREAD, result);
1105 C2V_END
1106
1107 C2V_VMENTRY(jlong, getLocalVariableTableStart, (JNIEnv *, jobject, jobject jvmci_method))
1108 ResourceMark rm;
1109 Method* method = CompilerToVM::asMethod(jvmci_method);
1110 if (!method->has_localvariable_table()) {
1111 return 0;
1112 }
1113 return (jlong) (address) method->localvariable_table_start();
1114 C2V_END
1115
1116 C2V_VMENTRY(jint, getLocalVariableTableLength, (JNIEnv *, jobject, jobject jvmci_method))
1117 ResourceMark rm;
1118 Method* method = CompilerToVM::asMethod(jvmci_method);
1119 return method->localvariable_table_length();
1120 C2V_END
1121
1122 C2V_VMENTRY(void, reprofile, (JNIEnv*, jobject, jobject jvmci_method))
1123 Method* method = CompilerToVM::asMethod(jvmci_method);
1124 MethodCounters* mcs = method->method_counters();
1125 if (mcs != NULL) {
1126 mcs->clear_counters();
1127 }
1128 NOT_PRODUCT(method->set_compiled_invocation_count(0));
1129
1130 CompiledMethod* code = method->code();
1131 if (code != NULL) {
1132 code->make_not_entrant();
1133 }
1134
1135 MethodData* method_data = method->method_data();
1136 if (method_data == NULL) {
1137 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
1138 method_data = MethodData::allocate(loader_data, method, CHECK);
1139 method->set_method_data(method_data);
1140 } else {
1141 method_data->initialize();
1142 }
1143 C2V_END
1144
1145
1146 C2V_VMENTRY(void, invalidateInstalledCode, (JNIEnv*, jobject, jobject installed_code))
1147 Handle installed_code_handle(THREAD, JNIHandles::resolve(installed_code));
1148 nmethod::invalidate_installed_code(installed_code_handle, CHECK);
1149 C2V_END
1150
1151 C2V_VMENTRY(jlongArray, collectCounters, (JNIEnv*, jobject))
1152 typeArrayOop arrayOop = oopFactory::new_longArray(JVMCICounterSize, CHECK_NULL);
1153 JavaThread::collect_counters(arrayOop);
1154 return (jlongArray) JNIHandles::make_local(THREAD, arrayOop);
1155 C2V_END
1156
1157 C2V_VMENTRY(int, allocateCompileId, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci))
1158 HandleMark hm;
1159 ResourceMark rm;
1160 if (JNIHandles::resolve(jvmci_method) == NULL) {
1161 THROW_0(vmSymbols::java_lang_NullPointerException());
1162 }
1163 Method* method = CompilerToVM::asMethod(jvmci_method);
1164 if (entry_bci >= method->code_size() || entry_bci < -1) {
1165 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Unexpected bci %d", entry_bci));
1166 }
1167 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
1168 C2V_END
1169
1170
1171 C2V_VMENTRY(jboolean, isMature, (JNIEnv*, jobject, jlong metaspace_method_data))
1172 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1173 return mdo != NULL && mdo->is_mature();
1174 C2V_END
1175
1176 C2V_VMENTRY(jboolean, hasCompiledCodeForOSR, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci, int comp_level))
1177 Method* method = CompilerToVM::asMethod(jvmci_method);
1178 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
1179 C2V_END
1180
1181 C2V_VMENTRY(jobject, getSymbol, (JNIEnv*, jobject, jlong symbol))
1182 Handle sym = java_lang_String::create_from_symbol((Symbol*)(address)symbol, CHECK_NULL);
1183 return JNIHandles::make_local(THREAD, sym());
1184 C2V_END
1185
1186 bool matches(jobjectArray methods, Method* method) {
1187 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods);
1188
1189 for (int i = 0; i < methods_oop->length(); i++) {
1190 oop resolved = methods_oop->obj_at(i);
1191 if (resolved->is_a(HotSpotResolvedJavaMethodImpl::klass()) && CompilerToVM::asMethod(resolved) == method) {
1192 return true;
1193 }
1194 }
1195 return false;
1196 }
1197
1198 C2V_VMENTRY(jobject, getNextStackFrame, (JNIEnv*, jobject compilerToVM, jobject hs_frame, jobjectArray methods, jint initialSkip))
1199 ResourceMark rm;
1200
1201 if (!thread->has_last_Java_frame()) return NULL;
1202 Handle result = HotSpotStackFrameReference::klass()->allocate_instance_handle(thread);
1203 HotSpotStackFrameReference::klass()->initialize(thread);
1204
1205 StackFrameStream fst(thread);
1206 if (hs_frame != NULL) {
1207 // look for the correct stack frame if one is given
1208 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1209 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1210 fst.next();
1211 }
1212 if (fst.current()->sp() != stack_pointer) {
1213 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1214 }
1215 }
1216
1217 int frame_number = 0;
1218 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1219 if (hs_frame != NULL) {
1220 // look for the correct vframe within the stack frame if one is given
1221 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1222 while (frame_number < last_frame_number) {
1223 if (vf->is_top()) {
1224 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1225 }
1226 vf = vf->sender();
1227 frame_number ++;
1228 }
1229 // move one frame forward
1230 if (vf->is_top()) {
1231 if (fst.is_done()) {
1232 return NULL;
1233 }
1234 fst.next();
1235 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1236 frame_number = 0;
1237 } else {
1238 vf = vf->sender();
1239 frame_number++;
1240 }
1241 }
1242
1243 while (true) {
1244 // look for the given method
1245 while (true) {
1246 StackValueCollection* locals = NULL;
1247 if (vf->is_compiled_frame()) {
1248 // compiled method frame
1249 compiledVFrame* cvf = compiledVFrame::cast(vf);
1250 if (methods == NULL || matches(methods, cvf->method())) {
1251 if (initialSkip > 0) {
1252 initialSkip --;
1253 } else {
1254 ScopeDesc* scope = cvf->scope();
1255 // native wrapper do not have a scope
1256 if (scope != NULL && scope->objects() != NULL) {
1257 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), scope->objects(), THREAD);
1258 Deoptimization::reassign_fields(fst.current(), fst.register_map(), scope->objects(), realloc_failures, false);
1259
1260 GrowableArray<ScopeValue*>* local_values = scope->locals();
1261 typeArrayOop array_oop = oopFactory::new_boolArray(local_values->length(), thread);
1262 typeArrayHandle array(THREAD, array_oop);
1263 for (int i = 0; i < local_values->length(); i++) {
1264 ScopeValue* value = local_values->at(i);
1265 if (value->is_object()) {
1266 array->bool_at_put(i, true);
1267 }
1268 }
1269 HotSpotStackFrameReference::set_localIsVirtual(result, array());
1270 } else {
1271 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1272 }
1273
1274 locals = cvf->locals();
1275 HotSpotStackFrameReference::set_bci(result, cvf->bci());
1276 oop method = CompilerToVM::get_jvmci_method(cvf->method(), CHECK_NULL);
1277 HotSpotStackFrameReference::set_method(result, method);
1278 }
1279 }
1280 } else if (vf->is_interpreted_frame()) {
1281 // interpreted method frame
1282 interpretedVFrame* ivf = interpretedVFrame::cast(vf);
1283 if (methods == NULL || matches(methods, ivf->method())) {
1284 if (initialSkip > 0) {
1285 initialSkip --;
1286 } else {
1287 locals = ivf->locals();
1288 HotSpotStackFrameReference::set_bci(result, ivf->bci());
1289 oop method = CompilerToVM::get_jvmci_method(ivf->method(), CHECK_NULL);
1290 HotSpotStackFrameReference::set_method(result, method);
1291 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1292 }
1293 }
1294 }
1295
1296 // locals != NULL means that we found a matching frame and result is already partially initialized
1297 if (locals != NULL) {
1298 HotSpotStackFrameReference::set_compilerToVM(result, JNIHandles::resolve(compilerToVM));
1299 HotSpotStackFrameReference::set_stackPointer(result, (jlong) fst.current()->sp());
1300 HotSpotStackFrameReference::set_frameNumber(result, frame_number);
1301
1302 // initialize the locals array
1303 objArrayOop array_oop = oopFactory::new_objectArray(locals->size(), CHECK_NULL);
1304 objArrayHandle array(THREAD, array_oop);
1305 for (int i = 0; i < locals->size(); i++) {
1306 StackValue* var = locals->at(i);
1307 if (var->type() == T_OBJECT) {
1308 array->obj_at_put(i, locals->at(i)->get_obj()());
1309 }
1310 }
1311 HotSpotStackFrameReference::set_locals(result, array());
1312
1313 return JNIHandles::make_local(thread, result());
1314 }
1315
1316 if (vf->is_top()) {
1317 break;
1318 }
1319 frame_number++;
1320 vf = vf->sender();
1321 } // end of vframe loop
1322
1323 if (fst.is_done()) {
1324 break;
1325 }
1326 fst.next();
1327 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1328 frame_number = 0;
1329 } // end of frame loop
1330
1331 // the end was reached without finding a matching method
1332 return NULL;
1333 C2V_END
1334
1335 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1336 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1337 CallInfo callInfo;
1338 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK);
1339 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index);
1340 cp_cache_entry->set_dynamic_call(cp, callInfo);
1341 C2V_END
1342
1343 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1344 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1345 KlassHandle holder = cp->klass_ref_at(index, CHECK);
1346 Symbol* name = cp->name_ref_at(index);
1347 if (MethodHandles::is_signature_polymorphic_name(holder(), name)) {
1348 CallInfo callInfo;
1349 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK);
1350 ConstantPoolCacheEntry* cp_cache_entry = cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1351 cp_cache_entry->set_method_handle(cp, callInfo);
1352 }
1353 C2V_END
1354
1355 C2V_VMENTRY(jobject, getSignaturePolymorphicHolders, (JNIEnv*, jobject))
1356 objArrayHandle holders = oopFactory::new_objArray_handle(SystemDictionary::String_klass(), 2, CHECK_NULL);
1357 Handle mh = java_lang_String::create_from_str("Ljava/lang/invoke/MethodHandle;", CHECK_NULL);
1358 Handle vh = java_lang_String::create_from_str("Ljava/lang/invoke/VarHandle;", CHECK_NULL);
1359 holders->obj_at_put(0, mh());
1360 holders->obj_at_put(1, vh());
1361 return JNIHandles::make_local(THREAD, holders());
1362 C2V_END
1363
1364 C2V_VMENTRY(jboolean, shouldDebugNonSafepoints, (JNIEnv*, jobject))
1365 //see compute_recording_non_safepoints in debugInfroRec.cpp
1366 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
1367 return true;
1368 }
1369 return DebugNonSafepoints;
1370 C2V_END
1371
1372 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate);
1373 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv*, jobject, jobject hs_frame, bool invalidate))
1374 ResourceMark rm;
1375
1376 if (hs_frame == NULL) {
1377 THROW_MSG(vmSymbols::java_lang_NullPointerException(), "stack frame is null")
1378 }
1379
1380 HotSpotStackFrameReference::klass()->initialize(thread);
1381
1382 // look for the given stack frame
1383 StackFrameStream fst(thread);
1384 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1385 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1386 fst.next();
1387 }
1388 if (fst.current()->sp() != stack_pointer) {
1389 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1390 }
1391
1392 if (invalidate) {
1393 if (!fst.current()->is_compiled_frame()) {
1394 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1395 }
1396 assert(fst.current()->cb()->is_nmethod(), "nmethod expected");
1397 ((nmethod*) fst.current()->cb())->make_not_entrant();
1398 }
1399 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none);
1400 // look for the frame again as it has been updated by deopt (pc, deopt state...)
1401 StackFrameStream fstAfterDeopt(thread);
1402 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) {
1403 fstAfterDeopt.next();
1404 }
1405 if (fstAfterDeopt.current()->sp() != stack_pointer) {
1406 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1407 }
1408
1409 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
1410 if (!vf->is_compiled_frame()) {
1411 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1412 }
1413
1414 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10);
1415 while (true) {
1416 assert(vf->is_compiled_frame(), "Wrong frame type");
1417 virtualFrames->push(compiledVFrame::cast(vf));
1418 if (vf->is_top()) {
1419 break;
1420 }
1421 vf = vf->sender();
1422 }
1423
1424 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1425 if (last_frame_number >= virtualFrames->length()) {
1426 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1427 }
1428
1429 // Reallocate the non-escaping objects and restore their fields.
1430 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope");
1431 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
1432
1433 if (objects == NULL) {
1434 // no objects to materialize
1435 return;
1436 }
1437
1438 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), objects, THREAD);
1439 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false);
1440
1441 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
1442 compiledVFrame* cvf = virtualFrames->at(frame_index);
1443
1444 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals();
1445 StackValueCollection* locals = cvf->locals();
1446
1447 if (locals != NULL) {
1448 for (int i2 = 0; i2 < locals->size(); i2++) {
1449 StackValue* var = locals->at(i2);
1450 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) {
1451 jvalue val;
1452 val.l = (jobject) locals->at(i2)->get_obj()();
1453 cvf->update_local(T_OBJECT, i2, val);
1454 }
1455 }
1456 }
1457 }
1458
1459 // all locals are materialized by now
1460 HotSpotStackFrameReference::set_localIsVirtual(hs_frame, NULL);
1461
1462 // update the locals array
1463 objArrayHandle array(THREAD, HotSpotStackFrameReference::locals(hs_frame));
1464 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals();
1465 for (int i = 0; i < locals->size(); i++) {
1466 StackValue* var = locals->at(i);
1467 if (var->type() == T_OBJECT) {
1468 array->obj_at_put(i, locals->at(i)->get_obj()());
1469 }
1470 }
1471 C2V_END
1472
1473 C2V_VMENTRY(void, writeDebugOutput, (JNIEnv*, jobject, jbyteArray bytes, jint offset, jint length))
1474 if (bytes == NULL) {
1475 THROW(vmSymbols::java_lang_NullPointerException());
1476 }
1477 typeArrayOop array = (typeArrayOop) JNIHandles::resolve(bytes);
1478
1479 // Check if offset and length are non negative.
1480 if (offset < 0 || length < 0) {
1481 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1482 }
1483 // Check if the range is valid.
1484 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array->length())) {
1485 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1486 }
1487 while (length > 0) {
1488 jbyte* start = array->byte_at_addr(offset);
1489 tty->write((char*) start, MIN2(length, O_BUFLEN));
1490 length -= O_BUFLEN;
1491 offset += O_BUFLEN;
1492 }
1493 C2V_END
1494
1495 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv*, jobject))
1496 tty->flush();
1497 C2V_END
1498
1499 C2V_VMENTRY(int, methodDataProfileDataSize, (JNIEnv*, jobject, jlong metaspace_method_data, jint position))
1500 ResourceMark rm;
1501 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1502 ProfileData* profile_data = mdo->data_at(position);
1503 if (mdo->is_valid(profile_data)) {
1504 return profile_data->size_in_bytes();
1505 }
1506 DataLayout* data = mdo->extra_data_base();
1507 DataLayout* end = mdo->extra_data_limit();
1508 for (;; data = mdo->next_extra(data)) {
1509 assert(data < end, "moved past end of extra data");
1510 profile_data = data->data_in();
1511 if (mdo->dp_to_di(profile_data->dp()) == position) {
1512 return profile_data->size_in_bytes();
1513 }
1514 }
1515 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Invalid profile data position %d", position));
1516 C2V_END
1517
1518 C2V_VMENTRY(jlong, getFingerprint, (JNIEnv*, jobject, jlong metaspace_klass))
1519 Klass *k = CompilerToVM::asKlass(metaspace_klass);
1520 if (k->is_instance_klass()) {
1521 return InstanceKlass::cast(k)->get_stored_fingerprint();
1522 } else {
1523 return 0;
1524 }
1525 C2V_END
1526
1527 C2V_VMENTRY(int, interpreterFrameSize, (JNIEnv*, jobject, jobject bytecode_frame_handle))
1528 if (bytecode_frame_handle == NULL) {
1529 THROW_0(vmSymbols::java_lang_NullPointerException());
1530 }
1531
1532 oop top_bytecode_frame = JNIHandles::resolve_non_null(bytecode_frame_handle);
1533 oop bytecode_frame = top_bytecode_frame;
1534 int size = 0;
1535 int callee_parameters = 0;
1536 int callee_locals = 0;
1537 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1538 int extra_args = method->max_stack() - BytecodeFrame::numStack(bytecode_frame);
1539
1540 while (bytecode_frame != NULL) {
1541 int locks = BytecodeFrame::numLocks(bytecode_frame);
1542 int temps = BytecodeFrame::numStack(bytecode_frame);
1543 bool is_top_frame = (bytecode_frame == top_bytecode_frame);
1544 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1545
1546 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(),
1547 temps + callee_parameters,
1548 extra_args,
1549 locks,
1550 callee_parameters,
1551 callee_locals,
1552 is_top_frame);
1553 size += frame_size;
1554
1555 callee_parameters = method->size_of_parameters();
1556 callee_locals = method->max_locals();
1557 extra_args = 0;
1558 bytecode_frame = BytecodePosition::caller(bytecode_frame);
1559 }
1560 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
1561 C2V_END
1562
1563 C2V_VMENTRY(void, compileToBytecode, (JNIEnv*, jobject, jobject lambda_form_handle))
1564 Handle lambda_form(THREAD, JNIHandles::resolve_non_null(lambda_form_handle));
1565 if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) {
1566 TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode", CHECK);
1567 JavaValue result(T_VOID);
1568 JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK);
1569 } else {
1570 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
1571 err_msg("Unexpected type: %s", lambda_form->klass()->external_name()));
1572 }
1573 C2V_END
1574
1575 #define CC (char*) /*cast a literal from (const char*)*/
1576 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
1577
1578 #define STRING "Ljava/lang/String;"
1579 #define OBJECT "Ljava/lang/Object;"
1580 #define CLASS "Ljava/lang/Class;"
1581 #define EXECUTABLE "Ljava/lang/reflect/Executable;"
1582 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;"
1583 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;"
1584 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;"
1585 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;"
1586 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;"
1587 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;"
1588 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;"
1589 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;"
1590 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;"
1591 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;"
1592 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;"
1593 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;"
1594 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;"
1595 #define METASPACE_METHOD_DATA "J"
1596
1597 JNINativeMethod CompilerToVM::methods[] = {
1598 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)},
1599 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)},
1600 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)},
1601 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)},
1602 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)},
1603 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)},
1604 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)},
1605 {CC "doNotInlineOrCompile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(doNotInlineOrCompile)},
1606 {CC "isCompilable", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(isCompilable)},
1607 {CC "hasNeverInlineDirective", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(hasNeverInlineDirective)},
1608 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)},
1609 {CC "lookupType", CC "(" STRING CLASS "Z)" HS_RESOLVED_KLASS, FN_PTR(lookupType)},
1610 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)},
1611 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)},
1612 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)},
1613 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)},
1614 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)},
1615 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(lookupAppendixInPool)},
1616 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)},
1617 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)},
1618 {CC "resolveConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolveConstantInPool)},
1619 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolvePossiblyCachedConstantInPool)},
1620 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)},
1621 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[J)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)},
1622 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)},
1623 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)},
1624 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
1625 {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)},
1626 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)},
1627 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)},
1628 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)},
1629 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)},
1630 {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)},
1631 {CC "getResolvedJavaMethod", CC "(Ljava/lang/Object;J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)},
1632 {CC "getConstantPool", CC "(Ljava/lang/Object;)" HS_CONSTANT_POOL, FN_PTR(getConstantPool)},
1633 {CC "getResolvedJavaType", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType)},
1634 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)},
1635 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE HS_SPECULATION_LOG ")I", FN_PTR(installCode)},
1636 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)},
1637 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)},
1638 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)},
1639 {CC "executeInstalledCode", CC "([" OBJECT INSTALLED_CODE ")" OBJECT, FN_PTR(executeInstalledCode)},
1640 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)},
1641 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)},
1642 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)},
1643 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)},
1644 {CC "invalidateInstalledCode", CC "(" INSTALLED_CODE ")V", FN_PTR(invalidateInstalledCode)},
1645 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)},
1646 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)},
1647 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)},
1648 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)},
1649 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)},
1650 {CC "getNextStackFrame", CC "(" HS_STACK_FRAME_REF "[" RESOLVED_METHOD "I)" HS_STACK_FRAME_REF, FN_PTR(getNextStackFrame)},
1651 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)},
1652 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)},
1653 {CC "writeDebugOutput", CC "([BII)V", FN_PTR(writeDebugOutput)},
1654 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)},
1655 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)},
1656 {CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)},
1657 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)},
1658 {CC "compileToBytecode", CC "(" OBJECT ")V", FN_PTR(compileToBytecode)},
1659 };
1660
1661 int CompilerToVM::methods_count() {
1662 return sizeof(methods) / sizeof(JNINativeMethod);
1663 }