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 void JNIHandleMark::push_jni_handle_block() {
59 JavaThread* thread = JavaThread::current();
60 if (thread != NULL) {
61 // Allocate a new block for JNI handles.
62 // Inlined code from jni_PushLocalFrame()
63 JNIHandleBlock* java_handles = ((JavaThread*)thread)->active_handles();
64 JNIHandleBlock* compile_handles = JNIHandleBlock::allocate_block(thread);
65 assert(compile_handles != NULL && java_handles != NULL, "should not be NULL");
66 compile_handles->set_pop_frame_link(java_handles);
67 thread->set_active_handles(compile_handles);
68 }
69 }
70
71 void JNIHandleMark::pop_jni_handle_block() {
72 JavaThread* thread = JavaThread::current();
73 if (thread != NULL) {
74 // Release our JNI handle block
75 JNIHandleBlock* compile_handles = thread->active_handles();
76 JNIHandleBlock* java_handles = compile_handles->pop_frame_link();
77 thread->set_active_handles(java_handles);
78 compile_handles->set_pop_frame_link(NULL);
79 JNIHandleBlock::release_block(compile_handles, thread); // may block
80 }
81 }
82
83 // Entry to native method implementation that transitions current thread to '_thread_in_vm'.
84 #define C2V_VMENTRY(result_type, name, signature) \
85 JNIEXPORT result_type JNICALL c2v_ ## name signature { \
86 TRACE_jvmci_1("CompilerToVM::" #name); \
87 TRACE_CALL(result_type, jvmci_ ## name signature) \
88 JVMCI_VM_ENTRY_MARK; \
89
90 #define C2V_END }
91
92 oop CompilerToVM::get_jvmci_method(const methodHandle& method, TRAPS) {
93 if (method() != NULL) {
94 JavaValue result(T_OBJECT);
95 JavaCallArguments args;
96 args.push_long((jlong) (address) method());
97 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedJavaMethodImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::method_fromMetaspace_signature(), &args, CHECK_NULL);
98
99 return (oop)result.get_jobject();
100 }
101 return NULL;
102 }
103
104 oop CompilerToVM::get_jvmci_type(KlassHandle klass, TRAPS) {
105 if (klass() != NULL) {
106 JavaValue result(T_OBJECT);
107 JavaCallArguments args;
108 args.push_oop(klass->java_mirror());
109 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedObjectTypeImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::klass_fromMetaspace_signature(), &args, CHECK_NULL);
110
111 return (oop)result.get_jobject();
112 }
113 return NULL;
114 }
115
116
117 int CompilerToVM::Data::Klass_vtable_start_offset;
118 int CompilerToVM::Data::Klass_vtable_length_offset;
119
120 int CompilerToVM::Data::Method_extra_stack_entries;
121
122 address CompilerToVM::Data::SharedRuntime_ic_miss_stub;
123 address CompilerToVM::Data::SharedRuntime_handle_wrong_method_stub;
124 address CompilerToVM::Data::SharedRuntime_deopt_blob_unpack;
125 address CompilerToVM::Data::SharedRuntime_deopt_blob_uncommon_trap;
126
127 size_t CompilerToVM::Data::ThreadLocalAllocBuffer_alignment_reserve;
128
129 CollectedHeap* CompilerToVM::Data::Universe_collectedHeap;
130 int CompilerToVM::Data::Universe_base_vtable_size;
131 address CompilerToVM::Data::Universe_narrow_oop_base;
132 int CompilerToVM::Data::Universe_narrow_oop_shift;
133 address CompilerToVM::Data::Universe_narrow_klass_base;
134 int CompilerToVM::Data::Universe_narrow_klass_shift;
135 void* CompilerToVM::Data::Universe_non_oop_bits;
136 uintptr_t CompilerToVM::Data::Universe_verify_oop_mask;
137 uintptr_t CompilerToVM::Data::Universe_verify_oop_bits;
138
139 bool CompilerToVM::Data::_supports_inline_contig_alloc;
140 HeapWord** CompilerToVM::Data::_heap_end_addr;
141 HeapWord* volatile* CompilerToVM::Data::_heap_top_addr;
142 int CompilerToVM::Data::_max_oop_map_stack_offset;
143
144 jbyte* CompilerToVM::Data::cardtable_start_address;
145 int CompilerToVM::Data::cardtable_shift;
146
147 int CompilerToVM::Data::vm_page_size;
148
149 address CompilerToVM::Data::dsin;
150 address CompilerToVM::Data::dcos;
151 address CompilerToVM::Data::dtan;
152 address CompilerToVM::Data::dexp;
153 address CompilerToVM::Data::dlog;
154 address CompilerToVM::Data::dlog10;
155 address CompilerToVM::Data::dpow;
156
157 void CompilerToVM::Data::initialize() {
158 Klass_vtable_start_offset = in_bytes(Klass::vtable_start_offset());
159 Klass_vtable_length_offset = in_bytes(Klass::vtable_length_offset());
160
161 Method_extra_stack_entries = Method::extra_stack_entries();
162
163 SharedRuntime_ic_miss_stub = SharedRuntime::get_ic_miss_stub();
164 SharedRuntime_handle_wrong_method_stub = SharedRuntime::get_handle_wrong_method_stub();
165 SharedRuntime_deopt_blob_unpack = SharedRuntime::deopt_blob()->unpack();
166 SharedRuntime_deopt_blob_uncommon_trap = SharedRuntime::deopt_blob()->uncommon_trap();
167
168 ThreadLocalAllocBuffer_alignment_reserve = ThreadLocalAllocBuffer::alignment_reserve();
169
170 Universe_collectedHeap = Universe::heap();
171 Universe_base_vtable_size = Universe::base_vtable_size();
172 Universe_narrow_oop_base = Universe::narrow_oop_base();
173 Universe_narrow_oop_shift = Universe::narrow_oop_shift();
174 Universe_narrow_klass_base = Universe::narrow_klass_base();
175 Universe_narrow_klass_shift = Universe::narrow_klass_shift();
176 Universe_non_oop_bits = Universe::non_oop_word();
177 Universe_verify_oop_mask = Universe::verify_oop_mask();
178 Universe_verify_oop_bits = Universe::verify_oop_bits();
179
180 _supports_inline_contig_alloc = Universe::heap()->supports_inline_contig_alloc();
181 _heap_end_addr = _supports_inline_contig_alloc ? Universe::heap()->end_addr() : (HeapWord**) -1;
182 _heap_top_addr = _supports_inline_contig_alloc ? Universe::heap()->top_addr() : (HeapWord* volatile*) -1;
183
184 _max_oop_map_stack_offset = (OopMapValue::register_mask - VMRegImpl::stack2reg(0)->value()) * VMRegImpl::stack_slot_size;
185 int max_oop_map_stack_index = _max_oop_map_stack_offset / VMRegImpl::stack_slot_size;
186 assert(OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index)), "should be valid");
187 assert(!OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index + 1)), "should be invalid");
188
189 BarrierSet* bs = Universe::heap()->barrier_set();
190 switch (bs->kind()) {
191 case BarrierSet::CardTableModRef:
192 case BarrierSet::CardTableForRS:
193 case BarrierSet::CardTableExtension:
194 case BarrierSet::G1SATBCT:
195 case BarrierSet::G1SATBCTLogging: {
196 jbyte* base = barrier_set_cast<CardTableModRefBS>(bs)->byte_map_base;
197 assert(base != 0, "unexpected byte_map_base");
198 cardtable_start_address = base;
199 cardtable_shift = CardTableModRefBS::card_shift;
200 break;
201 }
202 case BarrierSet::ModRef:
203 cardtable_start_address = 0;
204 cardtable_shift = 0;
205 // No post barriers
206 break;
207 default:
208 ShouldNotReachHere();
209 break;
210 }
211
212 vm_page_size = os::vm_page_size();
213
214 #define SET_TRIGFUNC(name) \
215 if (StubRoutines::name() != NULL) { \
216 name = StubRoutines::name(); \
217 } else { \
218 name = CAST_FROM_FN_PTR(address, SharedRuntime::name); \
219 }
220
221 SET_TRIGFUNC(dsin);
222 SET_TRIGFUNC(dcos);
223 SET_TRIGFUNC(dtan);
224 SET_TRIGFUNC(dexp);
225 SET_TRIGFUNC(dlog10);
226 SET_TRIGFUNC(dlog);
227 SET_TRIGFUNC(dpow);
228
229 #undef SET_TRIGFUNC
230 }
231
232 objArrayHandle CompilerToVM::initialize_intrinsics(TRAPS) {
233 objArrayHandle vmIntrinsics = oopFactory::new_objArray(VMIntrinsicMethod::klass(), (vmIntrinsics::ID_LIMIT - 1), CHECK_(objArrayHandle()));
234 int index = 0;
235 // The intrinsics for a class are usually adjacent to each other.
236 // When they are, the string for the class name can be reused.
237 vmSymbols::SID kls_sid = vmSymbols::NO_SID;
238 Handle kls_str;
239 #define SID_ENUM(n) vmSymbols::VM_SYMBOL_ENUM_NAME(n)
240 #define VM_SYMBOL_TO_STRING(s) \
241 java_lang_String::create_from_symbol(vmSymbols::symbol_at(SID_ENUM(s)), CHECK_(objArrayHandle()))
242 #define VM_INTRINSIC_INFO(id, kls, name, sig, ignore_fcode) { \
243 instanceHandle vmIntrinsicMethod = InstanceKlass::cast(VMIntrinsicMethod::klass())->allocate_instance_handle(CHECK_(objArrayHandle())); \
244 if (kls_sid != SID_ENUM(kls)) { \
245 kls_str = VM_SYMBOL_TO_STRING(kls); \
246 kls_sid = SID_ENUM(kls); \
247 } \
248 Handle name_str = VM_SYMBOL_TO_STRING(name); \
249 Handle sig_str = VM_SYMBOL_TO_STRING(sig); \
250 VMIntrinsicMethod::set_declaringClass(vmIntrinsicMethod, kls_str()); \
251 VMIntrinsicMethod::set_name(vmIntrinsicMethod, name_str()); \
252 VMIntrinsicMethod::set_descriptor(vmIntrinsicMethod, sig_str()); \
253 VMIntrinsicMethod::set_id(vmIntrinsicMethod, vmIntrinsics::id); \
254 vmIntrinsics->obj_at_put(index++, vmIntrinsicMethod()); \
255 }
256
257 VM_INTRINSICS_DO(VM_INTRINSIC_INFO, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE)
258 #undef SID_ENUM
259 #undef VM_SYMBOL_TO_STRING
260 #undef VM_INTRINSIC_INFO
261 assert(index == vmIntrinsics::ID_LIMIT - 1, "must be");
262
263 return vmIntrinsics;
264 }
265
266 C2V_VMENTRY(jobjectArray, readConfiguration, (JNIEnv *env))
267 #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)
268 #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)
269 ResourceMark rm;
270 HandleMark hm;
271
272 CompilerToVM::Data::initialize();
273
274 VMField::klass()->initialize(CHECK_NULL);
275 VMFlag::klass()->initialize(CHECK_NULL);
276 VMIntrinsicMethod::klass()->initialize(CHECK_NULL);
277
278 int len = JVMCIVMStructs::localHotSpotVMStructs_count();
279 objArrayHandle vmFields = oopFactory::new_objArray(VMField::klass(), len, CHECK_NULL);
280 for (int i = 0; i < len ; i++) {
281 VMStructEntry vmField = JVMCIVMStructs::localHotSpotVMStructs[i];
282 instanceHandle vmFieldObj = InstanceKlass::cast(VMField::klass())->allocate_instance_handle(CHECK_NULL);
283 size_t name_buf_len = strlen(vmField.typeName) + strlen(vmField.fieldName) + 2 /* "::" */;
284 char* name_buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, name_buf_len + 1);
285 sprintf(name_buf, "%s::%s", vmField.typeName, vmField.fieldName);
286 Handle name = java_lang_String::create_from_str(name_buf, CHECK_NULL);
287 Handle type = java_lang_String::create_from_str(vmField.typeString, CHECK_NULL);
288 VMField::set_name(vmFieldObj, name());
289 VMField::set_type(vmFieldObj, type());
290 VMField::set_offset(vmFieldObj, vmField.offset);
291 VMField::set_address(vmFieldObj, (jlong) vmField.address);
292 if (vmField.isStatic) {
293 if (strcmp(vmField.typeString, "bool") == 0) {
294 BOXED_LONG(value, *(jbyte*) vmField.address);
295 VMField::set_value(vmFieldObj, value);
296 } else if (strcmp(vmField.typeString, "int") == 0 ||
297 strcmp(vmField.typeString, "jint") == 0) {
298 BOXED_LONG(value, *(jint*) vmField.address);
299 VMField::set_value(vmFieldObj, value);
300 } else if (strcmp(vmField.typeString, "uint64_t") == 0) {
301 BOXED_LONG(value, *(uint64_t*) vmField.address);
302 VMField::set_value(vmFieldObj, value);
303 } else if (strcmp(vmField.typeString, "address") == 0 ||
304 strcmp(vmField.typeString, "intptr_t") == 0 ||
305 strcmp(vmField.typeString, "uintptr_t") == 0 ||
306 strcmp(vmField.typeString, "size_t") == 0 ||
307 // All foo* types are addresses.
308 vmField.typeString[strlen(vmField.typeString) - 1] == '*') {
309 BOXED_LONG(value, *((address*) vmField.address));
310 VMField::set_value(vmFieldObj, value);
311 } else {
312 JVMCI_ERROR_NULL("VM field %s has unsupported type %s", name_buf, vmField.typeString);
313 }
314 }
315 vmFields->obj_at_put(i, vmFieldObj());
316 }
317
318 len = JVMCIVMStructs::localHotSpotVMTypes_count();
319 objArrayHandle vmTypes = oopFactory::new_objArray(SystemDictionary::Object_klass(), len * 2, CHECK_NULL);
320 for (int i = 0; i < len ; i++) {
321 VMTypeEntry vmType = JVMCIVMStructs::localHotSpotVMTypes[i];
322 Handle name = java_lang_String::create_from_str(vmType.typeName, CHECK_NULL);
323 BOXED_LONG(size, vmType.size);
324 vmTypes->obj_at_put(i * 2, name());
325 vmTypes->obj_at_put(i * 2 + 1, size);
326 }
327
328 int ints_len = JVMCIVMStructs::localHotSpotVMIntConstants_count();
329 int longs_len = JVMCIVMStructs::localHotSpotVMLongConstants_count();
330 len = ints_len + longs_len;
331 objArrayHandle vmConstants = oopFactory::new_objArray(SystemDictionary::Object_klass(), len * 2, CHECK_NULL);
332 int insert = 0;
333 for (int i = 0; i < ints_len ; i++) {
334 VMIntConstantEntry c = JVMCIVMStructs::localHotSpotVMIntConstants[i];
335 Handle name = java_lang_String::create_from_str(c.name, CHECK_NULL);
336 BOXED_LONG(value, c.value);
337 vmConstants->obj_at_put(insert++, name());
338 vmConstants->obj_at_put(insert++, value);
339 }
340 for (int i = 0; i < longs_len ; i++) {
341 VMLongConstantEntry c = JVMCIVMStructs::localHotSpotVMLongConstants[i];
342 Handle name = java_lang_String::create_from_str(c.name, CHECK_NULL);
343 BOXED_LONG(value, c.value);
344 vmConstants->obj_at_put(insert++, name());
345 vmConstants->obj_at_put(insert++, value);
346 }
347 assert(insert == len * 2, "must be");
348
349 len = JVMCIVMStructs::localHotSpotVMAddresses_count();
350 objArrayHandle vmAddresses = oopFactory::new_objArray(SystemDictionary::Object_klass(), len * 2, CHECK_NULL);
351 for (int i = 0; i < len ; i++) {
352 VMAddressEntry a = JVMCIVMStructs::localHotSpotVMAddresses[i];
353 Handle name = java_lang_String::create_from_str(a.name, CHECK_NULL);
354 BOXED_LONG(value, a.value);
355 vmAddresses->obj_at_put(i * 2, name());
356 vmAddresses->obj_at_put(i * 2 + 1, value);
357 }
358
359 // The last entry is the null entry.
360 len = (int) Flag::numFlags - 1;
361 objArrayHandle vmFlags = oopFactory::new_objArray(VMFlag::klass(), len, CHECK_NULL);
362 for (int i = 0; i < len; i++) {
363 Flag* flag = &Flag::flags[i];
364 instanceHandle vmFlagObj = InstanceKlass::cast(VMFlag::klass())->allocate_instance_handle(CHECK_NULL);
365 Handle name = java_lang_String::create_from_str(flag->_name, CHECK_NULL);
366 Handle type = java_lang_String::create_from_str(flag->_type, CHECK_NULL);
367 VMFlag::set_name(vmFlagObj, name());
368 VMFlag::set_type(vmFlagObj, type());
369 if (flag->is_bool()) {
370 BOXED_LONG(value, flag->get_bool());
371 VMFlag::set_value(vmFlagObj, value);
372 } else if (flag->is_ccstr()) {
373 Handle value = java_lang_String::create_from_str(flag->get_ccstr(), CHECK_NULL);
374 VMFlag::set_value(vmFlagObj, value());
375 } else if (flag->is_int()) {
376 BOXED_LONG(value, flag->get_int());
377 VMFlag::set_value(vmFlagObj, value);
378 } else if (flag->is_intx()) {
379 BOXED_LONG(value, flag->get_intx());
380 VMFlag::set_value(vmFlagObj, value);
381 } else if (flag->is_uint()) {
382 BOXED_LONG(value, flag->get_uint());
383 VMFlag::set_value(vmFlagObj, value);
384 } else if (flag->is_uint64_t()) {
385 BOXED_LONG(value, flag->get_uint64_t());
386 VMFlag::set_value(vmFlagObj, value);
387 } else if (flag->is_uintx()) {
388 BOXED_LONG(value, flag->get_uintx());
389 VMFlag::set_value(vmFlagObj, value);
390 } else if (flag->is_double()) {
391 BOXED_DOUBLE(value, flag->get_double());
392 VMFlag::set_value(vmFlagObj, value);
393 } else if (flag->is_size_t()) {
394 BOXED_LONG(value, flag->get_size_t());
395 VMFlag::set_value(vmFlagObj, value);
396 } else {
397 JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type);
398 }
399 vmFlags->obj_at_put(i, vmFlagObj());
400 }
401
402 objArrayHandle vmIntrinsics = CompilerToVM::initialize_intrinsics(CHECK_NULL);
403
404 objArrayOop data = oopFactory::new_objArray(SystemDictionary::Object_klass(), 6, CHECK_NULL);
405 data->obj_at_put(0, vmFields());
406 data->obj_at_put(1, vmTypes());
407 data->obj_at_put(2, vmConstants());
408 data->obj_at_put(3, vmAddresses());
409 data->obj_at_put(4, vmFlags());
410 data->obj_at_put(5, vmIntrinsics());
411
412 return (jobjectArray) JNIHandles::make_local(THREAD, data);
413 #undef BOXED_LONG
414 #undef BOXED_DOUBLE
415 C2V_END
416
417 C2V_VMENTRY(jbyteArray, getBytecode, (JNIEnv *, jobject, jobject jvmci_method))
418 methodHandle method = CompilerToVM::asMethod(jvmci_method);
419 ResourceMark rm;
420
421 int code_size = method->code_size();
422 typeArrayOop reconstituted_code = oopFactory::new_byteArray(code_size, CHECK_NULL);
423
424 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten");
425 // iterate over all bytecodes and replace non-Java bytecodes
426
427 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) {
428 Bytecodes::Code code = s.code();
429 Bytecodes::Code raw_code = s.raw_code();
430 int bci = s.bci();
431 int len = s.instruction_size();
432
433 // Restore original byte code.
434 reconstituted_code->byte_at_put(bci, (jbyte) (s.is_wide()? Bytecodes::_wide : code));
435 if (len > 1) {
436 memcpy(reconstituted_code->byte_at_addr(bci + 1), s.bcp()+1, len-1);
437 }
438
439 if (len > 1) {
440 // Restore the big-endian constant pool indexes.
441 // Cf. Rewriter::scan_method
442 switch (code) {
443 case Bytecodes::_getstatic:
444 case Bytecodes::_putstatic:
445 case Bytecodes::_getfield:
446 case Bytecodes::_putfield:
447 case Bytecodes::_invokevirtual:
448 case Bytecodes::_invokespecial:
449 case Bytecodes::_invokestatic:
450 case Bytecodes::_invokeinterface:
451 case Bytecodes::_invokehandle: {
452 int cp_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
453 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
454 break;
455 }
456
457 case Bytecodes::_invokedynamic:
458 int cp_index = Bytes::get_native_u4((address) reconstituted_code->byte_at_addr(bci + 1));
459 Bytes::put_Java_u4((address) reconstituted_code->byte_at_addr(bci + 1), (u4) cp_index);
460 break;
461 }
462
463 // Not all ldc byte code are rewritten.
464 switch (raw_code) {
465 case Bytecodes::_fast_aldc: {
466 int cpc_index = reconstituted_code->byte_at(bci + 1) & 0xff;
467 int cp_index = method->constants()->object_to_cp_index(cpc_index);
468 assert(cp_index < method->constants()->length(), "sanity check");
469 reconstituted_code->byte_at_put(bci + 1, (jbyte) cp_index);
470 break;
471 }
472
473 case Bytecodes::_fast_aldc_w: {
474 int cpc_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
475 int cp_index = method->constants()->object_to_cp_index(cpc_index);
476 assert(cp_index < method->constants()->length(), "sanity check");
477 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
478 break;
479 }
480 }
481 }
482 }
483
484 return (jbyteArray) JNIHandles::make_local(THREAD, reconstituted_code);
485 C2V_END
486
487 C2V_VMENTRY(jint, getExceptionTableLength, (JNIEnv *, jobject, jobject jvmci_method))
488 ResourceMark rm;
489 methodHandle method = CompilerToVM::asMethod(jvmci_method);
490 return method->exception_table_length();
491 C2V_END
492
493 C2V_VMENTRY(jlong, getExceptionTableStart, (JNIEnv *, jobject, jobject jvmci_method))
494 ResourceMark rm;
495 methodHandle method = CompilerToVM::asMethod(jvmci_method);
496 if (method->exception_table_length() == 0) {
497 return 0L;
498 }
499 return (jlong) (address) method->exception_table_start();
500 C2V_END
501
502 C2V_VMENTRY(jobject, asResolvedJavaMethod, (JNIEnv *, jobject, jobject executable_handle))
503 oop executable = JNIHandles::resolve(executable_handle);
504 oop mirror = NULL;
505 int slot = 0;
506
507 if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) {
508 mirror = java_lang_reflect_Constructor::clazz(executable);
509 slot = java_lang_reflect_Constructor::slot(executable);
510 } else {
511 assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type");
512 mirror = java_lang_reflect_Method::clazz(executable);
513 slot = java_lang_reflect_Method::slot(executable);
514 }
515 Klass* holder = java_lang_Class::as_Klass(mirror);
516 methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot);
517 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
518 return JNIHandles::make_local(THREAD, result);
519 }
520
521 C2V_VMENTRY(jobject, getResolvedJavaMethod, (JNIEnv *, jobject, jobject base, jlong offset))
522 methodHandle method;
523 oop base_object = JNIHandles::resolve(base);
524 if (base_object == NULL) {
525 method = *((Method**)(offset));
526 } else if (base_object->is_a(SystemDictionary::MemberName_klass())) {
527 method = (Method*) (intptr_t) base_object->long_field(offset);
528 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
529 method = *((Method**)(HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object) + offset));
530 } else {
531 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
532 err_msg("Unexpected type: %s", base_object->klass()->external_name()));
533 }
534 assert (method.is_null() || method->is_method(), "invalid read");
535 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
536 return JNIHandles::make_local(THREAD, result);
537 }
538
539 C2V_VMENTRY(jobject, getConstantPool, (JNIEnv *, jobject, jobject object_handle))
540 constantPoolHandle cp;
541 oop object = JNIHandles::resolve(object_handle);
542 if (object == NULL) {
543 THROW_0(vmSymbols::java_lang_NullPointerException());
544 }
545 if (object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
546 cp = CompilerToVM::asMethod(object)->constMethod()->constants();
547 } else if (object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
548 cp = InstanceKlass::cast(CompilerToVM::asKlass(object))->constants();
549 } else {
550 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
551 err_msg("Unexpected type: %s", object->klass()->external_name()));
552 }
553 assert(!cp.is_null(), "npe");
554 JavaValue method_result(T_OBJECT);
555 JavaCallArguments args;
556 args.push_long((jlong) (address) cp());
557 JavaCalls::call_static(&method_result, SystemDictionary::HotSpotConstantPool_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::constantPool_fromMetaspace_signature(), &args, CHECK_NULL);
558 return JNIHandles::make_local(THREAD, (oop)method_result.get_jobject());
559 }
560
561 C2V_VMENTRY(jobject, getResolvedJavaType, (JNIEnv *, jobject, jobject base, jlong offset, jboolean compressed))
562 KlassHandle klass;
563 oop base_object = JNIHandles::resolve(base);
564 jlong base_address = 0;
565 if (base_object != NULL && offset == oopDesc::klass_offset_in_bytes()) {
566 klass = base_object->klass();
567 } else if (!compressed) {
568 if (base_object != NULL) {
569 if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
570 base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object);
571 } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) {
572 base_address = HotSpotConstantPool::metaspaceConstantPool(base_object);
573 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
574 base_address = (jlong) CompilerToVM::asKlass(base_object);
575 } else if (base_object->is_a(SystemDictionary::Class_klass())) {
576 base_address = (jlong) (address) base_object;
577 } else {
578 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
579 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
580 }
581 }
582 klass = *((Klass**) (intptr_t) (base_address + offset));
583 } else {
584 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
585 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
586 }
587 assert (klass.is_null() || klass->is_klass(), "invalid read");
588 oop result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
589 return JNIHandles::make_local(THREAD, result);
590 }
591
592 C2V_VMENTRY(jobject, findUniqueConcreteMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
593 ResourceMark rm;
594 methodHandle method = CompilerToVM::asMethod(jvmci_method);
595 KlassHandle holder = CompilerToVM::asKlass(jvmci_type);
596 if (holder->is_interface()) {
597 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", holder->external_name()));
598 }
599
600 methodHandle ucm;
601 {
602 MutexLocker locker(Compile_lock);
603 ucm = Dependencies::find_unique_concrete_method(holder(), method());
604 }
605 oop result = CompilerToVM::get_jvmci_method(ucm, CHECK_NULL);
606 return JNIHandles::make_local(THREAD, result);
607 C2V_END
608
609 C2V_VMENTRY(jobject, getImplementor, (JNIEnv *, jobject, jobject jvmci_type))
610 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type);
611 oop implementor = CompilerToVM::get_jvmci_type(klass->implementor(), CHECK_NULL);
612 return JNIHandles::make_local(THREAD, implementor);
613 C2V_END
614
615 C2V_VMENTRY(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv *, jobject, jobject jvmci_method))
616 methodHandle method = CompilerToVM::asMethod(jvmci_method);
617 return method->is_ignored_by_security_stack_walk();
618 C2V_END
619
620 C2V_VMENTRY(jboolean, isCompilable,(JNIEnv *, jobject, jobject jvmci_method))
621 methodHandle method = CompilerToVM::asMethod(jvmci_method);
622 // Ignore the not_compilable flags in hosted mode since they are never set by
623 // the JVMCI compiler.
624 return UseJVMCICompiler || !method->is_not_compilable(CompLevel_full_optimization);
625 C2V_END
626
627 C2V_VMENTRY(jboolean, hasNeverInlineDirective,(JNIEnv *, jobject, jobject jvmci_method))
628 methodHandle method = CompilerToVM::asMethod(jvmci_method);
629 return CompilerOracle::should_not_inline(method) || method->dont_inline();
630 C2V_END
631
632 C2V_VMENTRY(jboolean, shouldInlineMethod,(JNIEnv *, jobject, jobject jvmci_method))
633 methodHandle method = CompilerToVM::asMethod(jvmci_method);
634 return CompilerOracle::should_inline(method) || method->force_inline();
635 C2V_END
636
637 C2V_VMENTRY(jobject, lookupType, (JNIEnv*, jobject, jstring jname, jclass accessing_class, jboolean resolve))
638 ResourceMark rm;
639 Handle name = JNIHandles::resolve(jname);
640 Symbol* class_name = java_lang_String::as_symbol(name, CHECK_0);
641 if (java_lang_String::length(name()) <= 1) {
642 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string()));
643 }
644
645 Klass* resolved_klass = NULL;
646 Handle class_loader;
647 Handle protection_domain;
648 if (JNIHandles::resolve(accessing_class) == NULL) {
649 THROW_0(vmSymbols::java_lang_NullPointerException());
650 }
651 Klass* accessing_klass = java_lang_Class::as_Klass(JNIHandles::resolve(accessing_class));
652 class_loader = accessing_klass->class_loader();
653 protection_domain = accessing_klass->protection_domain();
654
655 if (resolve) {
656 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0);
657 } else {
658 if (class_name->byte_at(0) == 'L' &&
659 class_name->byte_at(class_name->utf8_length()-1) == ';') {
660 // This is a name from a signature. Strip off the trimmings.
661 // Call recursive to keep scope of strippedsym.
662 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1,
663 class_name->utf8_length()-2,
664 CHECK_0);
665 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0);
666 } else if (FieldType::is_array(class_name)) {
667 FieldArrayInfo fd;
668 // dimension and object_key in FieldArrayInfo are assigned as a side-effect
669 // of this call
670 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0);
671 if (t == T_OBJECT) {
672 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(),
673 class_name->utf8_length()-2-fd.dimension(),
674 CHECK_0);
675 // naked oop "k" is OK here -- we assign back into it
676 resolved_klass = SystemDictionary::find(strippedsym,
677 class_loader,
678 protection_domain,
679 CHECK_0);
680 if (resolved_klass != NULL) {
681 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0);
682 }
683 } else {
684 resolved_klass = Universe::typeArrayKlassObj(t);
685 resolved_klass = TypeArrayKlass::cast(resolved_klass)->array_klass(fd.dimension(), CHECK_0);
686 }
687 }
688 }
689 Handle result = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
690 return JNIHandles::make_local(THREAD, result());
691 C2V_END
692
693 C2V_VMENTRY(jobject, resolveConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
694 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
695 oop result = cp->resolve_constant_at(index, CHECK_NULL);
696 return JNIHandles::make_local(THREAD, result);
697 C2V_END
698
699 C2V_VMENTRY(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
700 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
701 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL);
702 return JNIHandles::make_local(THREAD, result);
703 C2V_END
704
705 C2V_VMENTRY(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
706 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
707 return cp->name_and_type_ref_index_at(index);
708 C2V_END
709
710 C2V_VMENTRY(jobject, lookupNameInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
711 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
712 Handle sym = java_lang_String::create_from_symbol(cp->name_ref_at(which), CHECK_NULL);
713 return JNIHandles::make_local(THREAD, sym());
714 C2V_END
715
716 C2V_VMENTRY(jobject, lookupSignatureInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
717 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
718 Handle sym = java_lang_String::create_from_symbol(cp->signature_ref_at(which), CHECK_NULL);
719 return JNIHandles::make_local(THREAD, sym());
720 C2V_END
721
722 C2V_VMENTRY(jint, lookupKlassRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
723 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
724 return cp->klass_ref_index_at(index);
725 C2V_END
726
727 C2V_VMENTRY(jobject, resolveTypeInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
728 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
729 Klass* resolved_klass = cp->klass_at(index, CHECK_NULL);
730 Handle klass = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
731 return JNIHandles::make_local(THREAD, klass());
732 C2V_END
733
734 C2V_VMENTRY(jobject, lookupKlassInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
735 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
736 KlassHandle loading_klass(cp->pool_holder());
737 bool is_accessible = false;
738 KlassHandle klass = JVMCIEnv::get_klass_by_index(cp, index, is_accessible, loading_klass);
739 Symbol* symbol = NULL;
740 if (klass.is_null()) {
741 symbol = cp->klass_name_at(index);
742 }
743 Handle result;
744 if (!klass.is_null()) {
745 result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
746 } else {
747 result = java_lang_String::create_from_symbol(symbol, CHECK_NULL);
748 }
749 return JNIHandles::make_local(THREAD, result());
750 C2V_END
751
752 C2V_VMENTRY(jobject, lookupAppendixInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
753 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
754 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index);
755 return JNIHandles::make_local(THREAD, appendix_oop);
756 C2V_END
757
758 C2V_VMENTRY(jobject, lookupMethodInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
759 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
760 instanceKlassHandle pool_holder(cp->pool_holder());
761 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
762 methodHandle method = JVMCIEnv::get_method_by_index(cp, index, bc, pool_holder);
763 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
764 return JNIHandles::make_local(THREAD, result);
765 C2V_END
766
767 C2V_VMENTRY(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
768 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
769 return cp->remap_instruction_operand_from_cache(index);
770 C2V_END
771
772 C2V_VMENTRY(jobject, resolveFieldInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jlongArray info_handle))
773 ResourceMark rm;
774 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
775 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF);
776 fieldDescriptor fd;
777 LinkInfo link_info(cp, index, (jvmci_method != NULL) ? CompilerToVM::asMethod(jvmci_method) : NULL, CHECK_0);
778 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0);
779 typeArrayOop info = (typeArrayOop) JNIHandles::resolve(info_handle);
780 assert(info != NULL && info->length() == 2, "must be");
781 info->long_at_put(0, (jlong) fd.access_flags().as_int());
782 info->long_at_put(1, (jlong) fd.offset());
783 oop field_holder = CompilerToVM::get_jvmci_type(fd.field_holder(), CHECK_NULL);
784 return JNIHandles::make_local(THREAD, field_holder);
785 C2V_END
786
787 C2V_VMENTRY(jint, getVtableIndexForInterfaceMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
788 ResourceMark rm;
789 Klass* klass = CompilerToVM::asKlass(jvmci_type);
790 Method* method = CompilerToVM::asMethod(jvmci_method);
791 if (klass->is_interface()) {
792 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", klass->external_name()));
793 }
794 if (!method->method_holder()->is_interface()) {
795 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()));
796 }
797 if (!InstanceKlass::cast(klass)->is_linked()) {
798 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Class %s must be linked", klass->external_name()));
799 }
800 return LinkResolver::vtable_index_of_interface_method(klass, method);
801 C2V_END
802
803 C2V_VMENTRY(jobject, resolveMethod, (JNIEnv *, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type))
804 KlassHandle recv_klass = CompilerToVM::asKlass(receiver_jvmci_type);
805 KlassHandle caller_klass = CompilerToVM::asKlass(caller_jvmci_type);
806 methodHandle method = CompilerToVM::asMethod(jvmci_method);
807
808 KlassHandle h_resolved (THREAD, method->method_holder());
809 Symbol* h_name = method->name();
810 Symbol* h_signature = method->signature();
811
812 if (MethodHandles::is_signature_polymorphic_method(method())) {
813 // Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case.
814 return NULL;
815 }
816
817 LinkInfo link_info(h_resolved, h_name, h_signature, caller_klass);
818 methodHandle m;
819 // Only do exact lookup if receiver klass has been linked. Otherwise,
820 // the vtable has not been setup, and the LinkResolver will fail.
821 if (recv_klass->is_array_klass() ||
822 InstanceKlass::cast(recv_klass())->is_linked() && !recv_klass->is_interface()) {
823 if (h_resolved->is_interface()) {
824 m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info);
825 } else {
826 m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info);
827 }
828 }
829
830 if (m.is_null()) {
831 // Return NULL if there was a problem with lookup (uninitialized class, etc.)
832 return NULL;
833 }
834
835 oop result = CompilerToVM::get_jvmci_method(m, CHECK_NULL);
836 return JNIHandles::make_local(THREAD, result);
837 C2V_END
838
839 C2V_VMENTRY(jboolean, hasFinalizableSubclass,(JNIEnv *, jobject, jobject jvmci_type))
840 Klass* klass = CompilerToVM::asKlass(jvmci_type);
841 assert(klass != NULL, "method must not be called for primitive types");
842 return Dependencies::find_finalizable_subclass(klass) != NULL;
843 C2V_END
844
845 C2V_VMENTRY(jobject, getClassInitializer, (JNIEnv *, jobject, jobject jvmci_type))
846 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type);
847 oop result = CompilerToVM::get_jvmci_method(klass->class_initializer(), CHECK_NULL);
848 return JNIHandles::make_local(THREAD, result);
849 C2V_END
850
851 C2V_VMENTRY(jlong, getMaxCallTargetOffset, (JNIEnv*, jobject, jlong addr))
852 address target_addr = (address) addr;
853 if (target_addr != 0x0) {
854 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int));
855 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int));
856 return MAX2(ABS(off_low), ABS(off_high));
857 }
858 return -1;
859 C2V_END
860
861 C2V_VMENTRY(void, doNotInlineOrCompile,(JNIEnv *, jobject, jobject jvmci_method))
862 methodHandle method = CompilerToVM::asMethod(jvmci_method);
863 method->set_not_c1_compilable();
864 method->set_not_c2_compilable();
865 method->set_dont_inline(true);
866 C2V_END
867
868 C2V_VMENTRY(jint, installCode, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject installed_code, jobject speculation_log))
869 ResourceMark rm;
870 HandleMark hm;
871 JNIHandleMark jni_hm;
872
873 Handle target_handle = JNIHandles::resolve(target);
874 Handle compiled_code_handle = JNIHandles::resolve(compiled_code);
875 CodeBlob* cb = NULL;
876 Handle installed_code_handle = JNIHandles::resolve(installed_code);
877 Handle speculation_log_handle = JNIHandles::resolve(speculation_log);
878
879 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK_JNI_ERR);
880
881 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer());
882 bool is_immutable_PIC = HotSpotCompiledCode::isImmutablePIC(compiled_code_handle) > 0;
883 CodeInstaller installer(is_immutable_PIC);
884 JVMCIEnv::CodeInstallResult result = installer.install(compiler, target_handle, compiled_code_handle, cb, installed_code_handle, speculation_log_handle, CHECK_0);
885
886 if (PrintCodeCacheOnCompilation) {
887 stringStream s;
888 // Dump code cache into a buffer before locking the tty,
889 {
890 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
891 CodeCache::print_summary(&s, false);
892 }
893 ttyLocker ttyl;
894 tty->print_raw_cr(s.as_string());
895 }
896
897 if (result != JVMCIEnv::ok) {
898 assert(cb == NULL, "should be");
899 } else {
900 if (!installed_code_handle.is_null()) {
901 assert(installed_code_handle->is_a(InstalledCode::klass()), "wrong type");
902 nmethod::invalidate_installed_code(installed_code_handle, CHECK_0);
903 {
904 // Ensure that all updates to the InstalledCode fields are consistent.
905 MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag);
906 InstalledCode::set_address(installed_code_handle, (jlong) cb);
907 InstalledCode::set_version(installed_code_handle, InstalledCode::version(installed_code_handle) + 1);
908 if (cb->is_nmethod()) {
909 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->as_nmethod_or_null()->verified_entry_point());
910 } else {
911 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->code_begin());
912 }
913 if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) {
914 HotSpotInstalledCode::set_size(installed_code_handle, cb->size());
915 HotSpotInstalledCode::set_codeStart(installed_code_handle, (jlong) cb->code_begin());
916 HotSpotInstalledCode::set_codeSize(installed_code_handle, cb->code_size());
917 }
918 }
919 nmethod* nm = cb->as_nmethod_or_null();
920 if (nm != NULL && installed_code_handle->is_scavengable()) {
921 assert(nm->detect_scavenge_root_oops(), "nm should be scavengable if installed_code is scavengable");
922 if (!UseG1GC) {
923 assert(nm->on_scavenge_root_list(), "nm should be on scavengable list");
924 }
925 }
926 }
927 }
928 return result;
929 C2V_END
930
931 C2V_VMENTRY(jint, getMetadata, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject metadata))
932 ResourceMark rm;
933 HandleMark hm;
934
935 Handle target_handle = JNIHandles::resolve(target);
936 Handle compiled_code_handle = JNIHandles::resolve(compiled_code);
937 Handle metadata_handle = JNIHandles::resolve(metadata);
938
939 CodeMetadata code_metadata;
940 CodeBlob *cb = NULL;
941 CodeInstaller installer(true /* immutable PIC compilation */);
942
943 JVMCIEnv::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, CHECK_0);
944 if (result != JVMCIEnv::ok) {
945 return result;
946 }
947
948 if (code_metadata.get_nr_pc_desc() > 0) {
949 typeArrayHandle pcArrayOop = oopFactory::new_byteArray(sizeof(PcDesc) * code_metadata.get_nr_pc_desc(), CHECK_(JVMCIEnv::cache_full));
950 memcpy(pcArrayOop->byte_at_addr(0), code_metadata.get_pc_desc(), sizeof(PcDesc) * code_metadata.get_nr_pc_desc());
951 HotSpotMetaData::set_pcDescBytes(metadata_handle, pcArrayOop());
952 }
953
954 if (code_metadata.get_scopes_size() > 0) {
955 typeArrayHandle scopesArrayOop = oopFactory::new_byteArray(code_metadata.get_scopes_size(), CHECK_(JVMCIEnv::cache_full));
956 memcpy(scopesArrayOop->byte_at_addr(0), code_metadata.get_scopes_desc(), code_metadata.get_scopes_size());
957 HotSpotMetaData::set_scopesDescBytes(metadata_handle, scopesArrayOop());
958 }
959
960 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer();
961 typeArrayHandle relocArrayOop = oopFactory::new_byteArray((int) reloc_buffer->size(), CHECK_(JVMCIEnv::cache_full));
962 if (reloc_buffer->size() > 0) {
963 memcpy(relocArrayOop->byte_at_addr(0), reloc_buffer->begin(), reloc_buffer->size());
964 }
965 HotSpotMetaData::set_relocBytes(metadata_handle, relocArrayOop());
966
967 const OopMapSet* oopMapSet = installer.oopMapSet();
968 {
969 ResourceMark mark;
970 ImmutableOopMapBuilder builder(oopMapSet);
971 int oopmap_size = builder.heap_size();
972 typeArrayHandle oopMapArrayHandle = oopFactory::new_byteArray(oopmap_size, CHECK_(JVMCIEnv::cache_full));
973 builder.generate_into((address) oopMapArrayHandle->byte_at_addr(0));
974 HotSpotMetaData::set_oopMaps(metadata_handle, oopMapArrayHandle());
975 }
976
977 AOTOopRecorder* recorder = code_metadata.get_oop_recorder();
978
979 int nr_meta_strings = recorder->nr_meta_strings();
980 objArrayHandle metadataArrayHandle = oopFactory::new_objectArray(nr_meta_strings, CHECK_(JVMCIEnv::cache_full));
981 for (int i = 0; i < nr_meta_strings; ++i) {
982 const char* element = recorder->meta_element(i);
983 Handle java_string = java_lang_String::create_from_str(element, CHECK_(JVMCIEnv::cache_full));
984 metadataArrayHandle->obj_at_put(i, java_string());
985 }
986 HotSpotMetaData::set_metadata(metadata_handle, metadataArrayHandle());
987
988 ExceptionHandlerTable* handler = code_metadata.get_exception_table();
989 int table_size = handler->size_in_bytes();
990 typeArrayHandle exceptionArrayOop = oopFactory::new_byteArray(table_size, CHECK_(JVMCIEnv::cache_full));
991
992 if (table_size > 0) {
993 handler->copy_bytes_to((address) exceptionArrayOop->byte_at_addr(0));
994 }
995 HotSpotMetaData::set_exceptionBytes(metadata_handle, exceptionArrayOop());
996
997 return result;
998 C2V_END
999
1000 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv *jniEnv, jobject))
1001 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK);
1002 CompilerStatistics* stats = compiler->stats();
1003 stats->_standard.reset();
1004 stats->_osr.reset();
1005 C2V_END
1006
1007 C2V_VMENTRY(jobject, disassembleCodeBlob, (JNIEnv *jniEnv, jobject, jobject installedCode))
1008 ResourceMark rm;
1009 HandleMark hm;
1010
1011 if (installedCode == NULL) {
1012 THROW_MSG_NULL(vmSymbols::java_lang_NullPointerException(), "installedCode is null");
1013 }
1014
1015 jlong codeBlob = InstalledCode::address(installedCode);
1016 if (codeBlob == 0L) {
1017 return NULL;
1018 }
1019
1020 CodeBlob* cb = (CodeBlob*) (address) codeBlob;
1021 if (cb == NULL) {
1022 return NULL;
1023 }
1024
1025 // We don't want the stringStream buffer to resize during disassembly as it
1026 // uses scoped resource memory. If a nested function called during disassembly uses
1027 // a ResourceMark and the buffer expands within the scope of the mark,
1028 // the buffer becomes garbage when that scope is exited. Experience shows that
1029 // the disassembled code is typically about 10x the code size so a fixed buffer
1030 // sized to 20x code size plus a fixed amount for header info should be sufficient.
1031 int bufferSize = cb->code_size() * 20 + 1024;
1032 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize);
1033 stringStream st(buffer, bufferSize);
1034 if (cb->is_nmethod()) {
1035 nmethod* nm = (nmethod*) cb;
1036 if (!nm->is_alive()) {
1037 return NULL;
1038 }
1039 }
1040 Disassembler::decode(cb, &st);
1041 if (st.size() <= 0) {
1042 return NULL;
1043 }
1044
1045 Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL);
1046 return JNIHandles::make_local(THREAD, result());
1047 C2V_END
1048
1049 C2V_VMENTRY(jobject, getStackTraceElement, (JNIEnv*, jobject, jobject jvmci_method, int bci))
1050 ResourceMark rm;
1051 HandleMark hm;
1052
1053 methodHandle method = CompilerToVM::asMethod(jvmci_method);
1054 oop element = java_lang_StackTraceElement::create(method, bci, CHECK_NULL);
1055 return JNIHandles::make_local(THREAD, element);
1056 C2V_END
1057
1058 C2V_VMENTRY(jobject, executeInstalledCode, (JNIEnv*, jobject, jobject args, jobject hotspotInstalledCode))
1059 ResourceMark rm;
1060 HandleMark hm;
1061
1062 jlong nmethodValue = InstalledCode::address(hotspotInstalledCode);
1063 if (nmethodValue == 0L) {
1064 THROW_NULL(vmSymbols::jdk_vm_ci_code_InvalidInstalledCodeException());
1065 }
1066 nmethod* nm = (nmethod*) (address) nmethodValue;
1067 methodHandle mh = nm->method();
1068 Symbol* signature = mh->signature();
1069 JavaCallArguments jca(mh->size_of_parameters());
1070
1071 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
1072 JavaValue result(jap.get_ret_type());
1073 jca.set_alternative_target(nm);
1074 JavaCalls::call(&result, mh, &jca, CHECK_NULL);
1075
1076 if (jap.get_ret_type() == T_VOID) {
1077 return NULL;
1078 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) {
1079 return JNIHandles::make_local(THREAD, (oop) result.get_jobject());
1080 } else {
1081 jvalue *value = (jvalue *) result.get_value_addr();
1082 // Narrow the value down if required (Important on big endian machines)
1083 switch (jap.get_ret_type()) {
1084 case T_BOOLEAN:
1085 value->z = (jboolean) value->i;
1086 break;
1087 case T_BYTE:
1088 value->b = (jbyte) value->i;
1089 break;
1090 case T_CHAR:
1091 value->c = (jchar) value->i;
1092 break;
1093 case T_SHORT:
1094 value->s = (jshort) value->i;
1095 break;
1096 }
1097 oop o = java_lang_boxing_object::create(jap.get_ret_type(), value, CHECK_NULL);
1098 return JNIHandles::make_local(THREAD, o);
1099 }
1100 C2V_END
1101
1102 C2V_VMENTRY(jlongArray, getLineNumberTable, (JNIEnv *, jobject, jobject jvmci_method))
1103 Method* method = CompilerToVM::asMethod(jvmci_method);
1104 if (!method->has_linenumber_table()) {
1105 return NULL;
1106 }
1107 u2 num_entries = 0;
1108 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
1109 while (streamForSize.read_pair()) {
1110 num_entries++;
1111 }
1112
1113 CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
1114 typeArrayOop result = oopFactory::new_longArray(2 * num_entries, CHECK_NULL);
1115
1116 int i = 0;
1117 jlong value;
1118 while (stream.read_pair()) {
1119 value = ((long) stream.bci());
1120 result->long_at_put(i, value);
1121 value = ((long) stream.line());
1122 result->long_at_put(i + 1, value);
1123 i += 2;
1124 }
1125
1126 return (jlongArray) JNIHandles::make_local(THREAD, result);
1127 C2V_END
1128
1129 C2V_VMENTRY(jlong, getLocalVariableTableStart, (JNIEnv *, jobject, jobject jvmci_method))
1130 ResourceMark rm;
1131 Method* method = CompilerToVM::asMethod(jvmci_method);
1132 if (!method->has_localvariable_table()) {
1133 return 0;
1134 }
1135 return (jlong) (address) method->localvariable_table_start();
1136 C2V_END
1137
1138 C2V_VMENTRY(jint, getLocalVariableTableLength, (JNIEnv *, jobject, jobject jvmci_method))
1139 ResourceMark rm;
1140 Method* method = CompilerToVM::asMethod(jvmci_method);
1141 return method->localvariable_table_length();
1142 C2V_END
1143
1144 C2V_VMENTRY(void, reprofile, (JNIEnv*, jobject, jobject jvmci_method))
1145 Method* method = CompilerToVM::asMethod(jvmci_method);
1146 MethodCounters* mcs = method->method_counters();
1147 if (mcs != NULL) {
1148 mcs->clear_counters();
1149 }
1150 NOT_PRODUCT(method->set_compiled_invocation_count(0));
1151
1152 CompiledMethod* code = method->code();
1153 if (code != NULL) {
1154 code->make_not_entrant();
1155 }
1156
1157 MethodData* method_data = method->method_data();
1158 if (method_data == NULL) {
1159 ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
1160 method_data = MethodData::allocate(loader_data, method, CHECK);
1161 method->set_method_data(method_data);
1162 } else {
1163 method_data->initialize();
1164 }
1165 C2V_END
1166
1167
1168 C2V_VMENTRY(void, invalidateInstalledCode, (JNIEnv*, jobject, jobject installed_code))
1169 Handle installed_code_handle = JNIHandles::resolve(installed_code);
1170 nmethod::invalidate_installed_code(installed_code_handle, CHECK);
1171 C2V_END
1172
1173 C2V_VMENTRY(jlongArray, collectCounters, (JNIEnv*, jobject))
1174 typeArrayOop arrayOop = oopFactory::new_longArray(JVMCICounterSize, CHECK_NULL);
1175 JavaThread::collect_counters(arrayOop);
1176 return (jlongArray) JNIHandles::make_local(THREAD, arrayOop);
1177 C2V_END
1178
1179 C2V_VMENTRY(int, allocateCompileId, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci))
1180 HandleMark hm;
1181 ResourceMark rm;
1182 if (JNIHandles::resolve(jvmci_method) == NULL) {
1183 THROW_0(vmSymbols::java_lang_NullPointerException());
1184 }
1185 Method* method = CompilerToVM::asMethod(jvmci_method);
1186 if (entry_bci >= method->code_size() || entry_bci < -1) {
1187 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Unexpected bci %d", entry_bci));
1188 }
1189 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
1190 C2V_END
1191
1192
1193 C2V_VMENTRY(jboolean, isMature, (JNIEnv*, jobject, jlong metaspace_method_data))
1194 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1195 return mdo != NULL && mdo->is_mature();
1196 C2V_END
1197
1198 C2V_VMENTRY(jboolean, hasCompiledCodeForOSR, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci, int comp_level))
1199 Method* method = CompilerToVM::asMethod(jvmci_method);
1200 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
1201 C2V_END
1202
1203 C2V_VMENTRY(jobject, getSymbol, (JNIEnv*, jobject, jlong symbol))
1204 Handle sym = java_lang_String::create_from_symbol((Symbol*)(address)symbol, CHECK_NULL);
1205 return JNIHandles::make_local(THREAD, sym());
1206 C2V_END
1207
1208 bool matches(jobjectArray methods, Method* method) {
1209 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods);
1210
1211 for (int i = 0; i < methods_oop->length(); i++) {
1212 oop resolved = methods_oop->obj_at(i);
1213 if (resolved->is_a(HotSpotResolvedJavaMethodImpl::klass()) && CompilerToVM::asMethod(resolved) == method) {
1214 return true;
1215 }
1216 }
1217 return false;
1218 }
1219
1220 C2V_VMENTRY(jobject, getNextStackFrame, (JNIEnv*, jobject compilerToVM, jobject hs_frame, jobjectArray methods, jint initialSkip))
1221 ResourceMark rm;
1222
1223 if (!thread->has_last_Java_frame()) return NULL;
1224 Handle result = HotSpotStackFrameReference::klass()->allocate_instance(thread);
1225 HotSpotStackFrameReference::klass()->initialize(thread);
1226
1227 StackFrameStream fst(thread);
1228 if (hs_frame != NULL) {
1229 // look for the correct stack frame if one is given
1230 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1231 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1232 fst.next();
1233 }
1234 if (fst.current()->sp() != stack_pointer) {
1235 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1236 }
1237 }
1238
1239 int frame_number = 0;
1240 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1241 if (hs_frame != NULL) {
1242 // look for the correct vframe within the stack frame if one is given
1243 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1244 while (frame_number < last_frame_number) {
1245 if (vf->is_top()) {
1246 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1247 }
1248 vf = vf->sender();
1249 frame_number ++;
1250 }
1251 // move one frame forward
1252 if (vf->is_top()) {
1253 if (fst.is_done()) {
1254 return NULL;
1255 }
1256 fst.next();
1257 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1258 frame_number = 0;
1259 } else {
1260 vf = vf->sender();
1261 frame_number++;
1262 }
1263 }
1264
1265 while (true) {
1266 // look for the given method
1267 while (true) {
1268 StackValueCollection* locals = NULL;
1269 if (vf->is_compiled_frame()) {
1270 // compiled method frame
1271 compiledVFrame* cvf = compiledVFrame::cast(vf);
1272 if (methods == NULL || matches(methods, cvf->method())) {
1273 if (initialSkip > 0) {
1274 initialSkip --;
1275 } else {
1276 ScopeDesc* scope = cvf->scope();
1277 // native wrapper do not have a scope
1278 if (scope != NULL && scope->objects() != NULL) {
1279 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), scope->objects(), THREAD);
1280 Deoptimization::reassign_fields(fst.current(), fst.register_map(), scope->objects(), realloc_failures, false);
1281
1282 GrowableArray<ScopeValue*>* local_values = scope->locals();
1283 typeArrayHandle array = oopFactory::new_boolArray(local_values->length(), thread);
1284 for (int i = 0; i < local_values->length(); i++) {
1285 ScopeValue* value = local_values->at(i);
1286 if (value->is_object()) {
1287 array->bool_at_put(i, true);
1288 }
1289 }
1290 HotSpotStackFrameReference::set_localIsVirtual(result, array());
1291 } else {
1292 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1293 }
1294
1295 locals = cvf->locals();
1296 HotSpotStackFrameReference::set_bci(result, cvf->bci());
1297 oop method = CompilerToVM::get_jvmci_method(cvf->method(), CHECK_NULL);
1298 HotSpotStackFrameReference::set_method(result, method);
1299 }
1300 }
1301 } else if (vf->is_interpreted_frame()) {
1302 // interpreted method frame
1303 interpretedVFrame* ivf = interpretedVFrame::cast(vf);
1304 if (methods == NULL || matches(methods, ivf->method())) {
1305 if (initialSkip > 0) {
1306 initialSkip --;
1307 } else {
1308 locals = ivf->locals();
1309 HotSpotStackFrameReference::set_bci(result, ivf->bci());
1310 oop method = CompilerToVM::get_jvmci_method(ivf->method(), CHECK_NULL);
1311 HotSpotStackFrameReference::set_method(result, method);
1312 HotSpotStackFrameReference::set_localIsVirtual(result, NULL);
1313 }
1314 }
1315 }
1316
1317 // locals != NULL means that we found a matching frame and result is already partially initialized
1318 if (locals != NULL) {
1319 HotSpotStackFrameReference::set_compilerToVM(result, JNIHandles::resolve(compilerToVM));
1320 HotSpotStackFrameReference::set_stackPointer(result, (jlong) fst.current()->sp());
1321 HotSpotStackFrameReference::set_frameNumber(result, frame_number);
1322
1323 // initialize the locals array
1324 objArrayHandle array = oopFactory::new_objectArray(locals->size(), thread);
1325 for (int i = 0; i < locals->size(); i++) {
1326 StackValue* var = locals->at(i);
1327 if (var->type() == T_OBJECT) {
1328 array->obj_at_put(i, locals->at(i)->get_obj()());
1329 }
1330 }
1331 HotSpotStackFrameReference::set_locals(result, array());
1332
1333 return JNIHandles::make_local(thread, result());
1334 }
1335
1336 if (vf->is_top()) {
1337 break;
1338 }
1339 frame_number++;
1340 vf = vf->sender();
1341 } // end of vframe loop
1342
1343 if (fst.is_done()) {
1344 break;
1345 }
1346 fst.next();
1347 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
1348 frame_number = 0;
1349 } // end of frame loop
1350
1351 // the end was reached without finding a matching method
1352 return NULL;
1353 C2V_END
1354
1355 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1356 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1357 CallInfo callInfo;
1358 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK);
1359 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index);
1360 cp_cache_entry->set_dynamic_call(cp, callInfo);
1361 C2V_END
1362
1363 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
1364 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
1365 KlassHandle holder = cp->klass_ref_at(index, CHECK);
1366 Symbol* name = cp->name_ref_at(index);
1367 if (MethodHandles::is_signature_polymorphic_name(holder(), name)) {
1368 CallInfo callInfo;
1369 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK);
1370 ConstantPoolCacheEntry* cp_cache_entry = cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
1371 cp_cache_entry->set_method_handle(cp, callInfo);
1372 }
1373 C2V_END
1374
1375 C2V_VMENTRY(jobject, getSignaturePolymorphicHolders, (JNIEnv*, jobject))
1376 objArrayHandle holders = oopFactory::new_objArray(SystemDictionary::String_klass(), 2, CHECK_NULL);
1377 Handle mh = java_lang_String::create_from_str("Ljava/lang/invoke/MethodHandle;", CHECK_NULL);
1378 Handle vh = java_lang_String::create_from_str("Ljava/lang/invoke/VarHandle;", CHECK_NULL);
1379 holders->obj_at_put(0, mh());
1380 holders->obj_at_put(1, vh());
1381 return JNIHandles::make_local(THREAD, holders());
1382 C2V_END
1383
1384 C2V_VMENTRY(jboolean, shouldDebugNonSafepoints, (JNIEnv*, jobject))
1385 //see compute_recording_non_safepoints in debugInfroRec.cpp
1386 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
1387 return true;
1388 }
1389 return DebugNonSafepoints;
1390 C2V_END
1391
1392 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate);
1393 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv*, jobject, jobject hs_frame, bool invalidate))
1394 ResourceMark rm;
1395
1396 if (hs_frame == NULL) {
1397 THROW_MSG(vmSymbols::java_lang_NullPointerException(), "stack frame is null")
1398 }
1399
1400 HotSpotStackFrameReference::klass()->initialize(thread);
1401
1402 // look for the given stack frame
1403 StackFrameStream fst(thread);
1404 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
1405 while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
1406 fst.next();
1407 }
1408 if (fst.current()->sp() != stack_pointer) {
1409 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
1410 }
1411
1412 if (invalidate) {
1413 if (!fst.current()->is_compiled_frame()) {
1414 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1415 }
1416 assert(fst.current()->cb()->is_nmethod(), "nmethod expected");
1417 ((nmethod*) fst.current()->cb())->make_not_entrant();
1418 }
1419 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none);
1420 // look for the frame again as it has been updated by deopt (pc, deopt state...)
1421 StackFrameStream fstAfterDeopt(thread);
1422 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) {
1423 fstAfterDeopt.next();
1424 }
1425 if (fstAfterDeopt.current()->sp() != stack_pointer) {
1426 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
1427 }
1428
1429 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
1430 if (!vf->is_compiled_frame()) {
1431 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
1432 }
1433
1434 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10);
1435 while (true) {
1436 assert(vf->is_compiled_frame(), "Wrong frame type");
1437 virtualFrames->push(compiledVFrame::cast(vf));
1438 if (vf->is_top()) {
1439 break;
1440 }
1441 vf = vf->sender();
1442 }
1443
1444 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
1445 if (last_frame_number >= virtualFrames->length()) {
1446 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
1447 }
1448
1449 // Reallocate the non-escaping objects and restore their fields.
1450 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope");
1451 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
1452
1453 if (objects == NULL) {
1454 // no objects to materialize
1455 return;
1456 }
1457
1458 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), objects, THREAD);
1459 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false);
1460
1461 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
1462 compiledVFrame* cvf = virtualFrames->at(frame_index);
1463
1464 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals();
1465 StackValueCollection* locals = cvf->locals();
1466
1467 if (locals != NULL) {
1468 for (int i2 = 0; i2 < locals->size(); i2++) {
1469 StackValue* var = locals->at(i2);
1470 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) {
1471 jvalue val;
1472 val.l = (jobject) locals->at(i2)->get_obj()();
1473 cvf->update_local(T_OBJECT, i2, val);
1474 }
1475 }
1476 }
1477 }
1478
1479 // all locals are materialized by now
1480 HotSpotStackFrameReference::set_localIsVirtual(hs_frame, NULL);
1481
1482 // update the locals array
1483 objArrayHandle array = HotSpotStackFrameReference::locals(hs_frame);
1484 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals();
1485 for (int i = 0; i < locals->size(); i++) {
1486 StackValue* var = locals->at(i);
1487 if (var->type() == T_OBJECT) {
1488 array->obj_at_put(i, locals->at(i)->get_obj()());
1489 }
1490 }
1491 C2V_END
1492
1493 C2V_VMENTRY(void, writeDebugOutput, (JNIEnv*, jobject, jbyteArray bytes, jint offset, jint length))
1494 if (bytes == NULL) {
1495 THROW(vmSymbols::java_lang_NullPointerException());
1496 }
1497 typeArrayOop array = (typeArrayOop) JNIHandles::resolve(bytes);
1498
1499 // Check if offset and length are non negative.
1500 if (offset < 0 || length < 0) {
1501 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1502 }
1503 // Check if the range is valid.
1504 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array->length())) {
1505 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
1506 }
1507 while (length > 0) {
1508 jbyte* start = array->byte_at_addr(offset);
1509 tty->write((char*) start, MIN2(length, O_BUFLEN));
1510 length -= O_BUFLEN;
1511 offset += O_BUFLEN;
1512 }
1513 C2V_END
1514
1515 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv*, jobject))
1516 tty->flush();
1517 C2V_END
1518
1519 C2V_VMENTRY(int, methodDataProfileDataSize, (JNIEnv*, jobject, jlong metaspace_method_data, jint position))
1520 ResourceMark rm;
1521 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
1522 ProfileData* profile_data = mdo->data_at(position);
1523 if (mdo->is_valid(profile_data)) {
1524 return profile_data->size_in_bytes();
1525 }
1526 DataLayout* data = mdo->extra_data_base();
1527 DataLayout* end = mdo->extra_data_limit();
1528 for (;; data = mdo->next_extra(data)) {
1529 assert(data < end, "moved past end of extra data");
1530 profile_data = data->data_in();
1531 if (mdo->dp_to_di(profile_data->dp()) == position) {
1532 return profile_data->size_in_bytes();
1533 }
1534 }
1535 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Invalid profile data position %d", position));
1536 C2V_END
1537
1538 C2V_VMENTRY(jlong, getFingerprint, (JNIEnv*, jobject, jlong metaspace_klass))
1539 Klass *k = CompilerToVM::asKlass(metaspace_klass);
1540 if (k->is_instance_klass()) {
1541 return InstanceKlass::cast(k)->get_stored_fingerprint();
1542 } else {
1543 return 0;
1544 }
1545 C2V_END
1546
1547 C2V_VMENTRY(int, interpreterFrameSize, (JNIEnv*, jobject, jobject bytecode_frame_handle))
1548 if (bytecode_frame_handle == NULL) {
1549 THROW_0(vmSymbols::java_lang_NullPointerException());
1550 }
1551
1552 oop top_bytecode_frame = JNIHandles::resolve_non_null(bytecode_frame_handle);
1553 oop bytecode_frame = top_bytecode_frame;
1554 int size = 0;
1555 int callee_parameters = 0;
1556 int callee_locals = 0;
1557 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1558 int extra_args = method->max_stack() - BytecodeFrame::numStack(bytecode_frame);
1559
1560 while (bytecode_frame != NULL) {
1561 int locks = BytecodeFrame::numLocks(bytecode_frame);
1562 int temps = BytecodeFrame::numStack(bytecode_frame);
1563 bool is_top_frame = (bytecode_frame == top_bytecode_frame);
1564 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
1565
1566 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(),
1567 temps + callee_parameters,
1568 extra_args,
1569 locks,
1570 callee_parameters,
1571 callee_locals,
1572 is_top_frame);
1573 size += frame_size;
1574
1575 callee_parameters = method->size_of_parameters();
1576 callee_locals = method->max_locals();
1577 extra_args = 0;
1578 bytecode_frame = BytecodePosition::caller(bytecode_frame);
1579 }
1580 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
1581 C2V_END
1582
1583 C2V_VMENTRY(void, compileToBytecode, (JNIEnv*, jobject, jobject lambda_form_handle))
1584 Handle lambda_form = JNIHandles::resolve_non_null(lambda_form_handle);
1585 if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) {
1586 TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode", CHECK);
1587 JavaValue result(T_VOID);
1588 JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK);
1589 } else {
1590 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
1591 err_msg("Unexpected type: %s", lambda_form->klass()->external_name()));
1592 }
1593 C2V_END
1594
1595 #define CC (char*) /*cast a literal from (const char*)*/
1596 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
1597
1598 #define STRING "Ljava/lang/String;"
1599 #define OBJECT "Ljava/lang/Object;"
1600 #define CLASS "Ljava/lang/Class;"
1601 #define EXECUTABLE "Ljava/lang/reflect/Executable;"
1602 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;"
1603 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;"
1604 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;"
1605 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;"
1606 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;"
1607 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;"
1608 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;"
1609 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;"
1610 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;"
1611 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;"
1612 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;"
1613 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;"
1614 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;"
1615 #define METASPACE_METHOD_DATA "J"
1616
1617 JNINativeMethod CompilerToVM::methods[] = {
1618 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)},
1619 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)},
1620 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)},
1621 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)},
1622 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)},
1623 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)},
1624 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)},
1625 {CC "doNotInlineOrCompile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(doNotInlineOrCompile)},
1626 {CC "isCompilable", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(isCompilable)},
1627 {CC "hasNeverInlineDirective", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(hasNeverInlineDirective)},
1628 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)},
1629 {CC "lookupType", CC "(" STRING CLASS "Z)" HS_RESOLVED_KLASS, FN_PTR(lookupType)},
1630 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)},
1631 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)},
1632 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)},
1633 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)},
1634 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)},
1635 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(lookupAppendixInPool)},
1636 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)},
1637 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)},
1638 {CC "resolveConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolveConstantInPool)},
1639 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolvePossiblyCachedConstantInPool)},
1640 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)},
1641 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[J)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)},
1642 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)},
1643 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)},
1644 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
1645 {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)},
1646 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)},
1647 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)},
1648 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)},
1649 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)},
1650 {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)},
1651 {CC "getResolvedJavaMethod", CC "(Ljava/lang/Object;J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)},
1652 {CC "getConstantPool", CC "(Ljava/lang/Object;)" HS_CONSTANT_POOL, FN_PTR(getConstantPool)},
1653 {CC "getResolvedJavaType", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType)},
1654 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)},
1655 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE HS_SPECULATION_LOG ")I", FN_PTR(installCode)},
1656 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)},
1657 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)},
1658 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)},
1659 {CC "executeInstalledCode", CC "([" OBJECT INSTALLED_CODE ")" OBJECT, FN_PTR(executeInstalledCode)},
1660 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)},
1661 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)},
1662 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)},
1663 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)},
1664 {CC "invalidateInstalledCode", CC "(" INSTALLED_CODE ")V", FN_PTR(invalidateInstalledCode)},
1665 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)},
1666 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)},
1667 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)},
1668 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)},
1669 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)},
1670 {CC "getNextStackFrame", CC "(" HS_STACK_FRAME_REF "[" RESOLVED_METHOD "I)" HS_STACK_FRAME_REF, FN_PTR(getNextStackFrame)},
1671 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)},
1672 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)},
1673 {CC "writeDebugOutput", CC "([BII)V", FN_PTR(writeDebugOutput)},
1674 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)},
1675 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)},
1676 {CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)},
1677 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)},
1678 {CC "compileToBytecode", CC "(" OBJECT ")V", FN_PTR(compileToBytecode)},
1679 };
1680
1681 int CompilerToVM::methods_count() {
1682 return sizeof(methods) / sizeof(JNINativeMethod);
1683 }