1 /*
2  * Copyright (C) 2012 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "interpreter_common.h"
18 
19 #include <cmath>
20 
21 #include "debugger.h"
22 #include "entrypoints/runtime_asm_entrypoints.h"
23 #include "jit/jit.h"
24 #include "mirror/array-inl.h"
25 #include "stack.h"
26 #include "unstarted_runtime.h"
27 #include "verifier/method_verifier.h"
28 
29 namespace art {
30 namespace interpreter {
31 
32 // All lambda closures have to be a consecutive pair of virtual registers.
33 static constexpr size_t kLambdaVirtualRegisterWidth = 2;
34 
ThrowNullPointerExceptionFromInterpreter()35 void ThrowNullPointerExceptionFromInterpreter() {
36   ThrowNullPointerExceptionFromDexPC();
37 }
38 
39 template<FindFieldType find_type, Primitive::Type field_type, bool do_access_check>
DoFieldGet(Thread * self,ShadowFrame & shadow_frame,const Instruction * inst,uint16_t inst_data)40 bool DoFieldGet(Thread* self, ShadowFrame& shadow_frame, const Instruction* inst,
41                 uint16_t inst_data) {
42   const bool is_static = (find_type == StaticObjectRead) || (find_type == StaticPrimitiveRead);
43   const uint32_t field_idx = is_static ? inst->VRegB_21c() : inst->VRegC_22c();
44   ArtField* f =
45       FindFieldFromCode<find_type, do_access_check>(field_idx, shadow_frame.GetMethod(), self,
46                                                     Primitive::ComponentSize(field_type));
47   if (UNLIKELY(f == nullptr)) {
48     CHECK(self->IsExceptionPending());
49     return false;
50   }
51   Object* obj;
52   if (is_static) {
53     obj = f->GetDeclaringClass();
54   } else {
55     obj = shadow_frame.GetVRegReference(inst->VRegB_22c(inst_data));
56     if (UNLIKELY(obj == nullptr)) {
57       ThrowNullPointerExceptionForFieldAccess(f, true);
58       return false;
59     }
60   }
61   f->GetDeclaringClass()->AssertInitializedOrInitializingInThread(self);
62   // Report this field access to instrumentation if needed.
63   instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation();
64   if (UNLIKELY(instrumentation->HasFieldReadListeners())) {
65     Object* this_object = f->IsStatic() ? nullptr : obj;
66     instrumentation->FieldReadEvent(self, this_object, shadow_frame.GetMethod(),
67                                     shadow_frame.GetDexPC(), f);
68   }
69   uint32_t vregA = is_static ? inst->VRegA_21c(inst_data) : inst->VRegA_22c(inst_data);
70   switch (field_type) {
71     case Primitive::kPrimBoolean:
72       shadow_frame.SetVReg(vregA, f->GetBoolean(obj));
73       break;
74     case Primitive::kPrimByte:
75       shadow_frame.SetVReg(vregA, f->GetByte(obj));
76       break;
77     case Primitive::kPrimChar:
78       shadow_frame.SetVReg(vregA, f->GetChar(obj));
79       break;
80     case Primitive::kPrimShort:
81       shadow_frame.SetVReg(vregA, f->GetShort(obj));
82       break;
83     case Primitive::kPrimInt:
84       shadow_frame.SetVReg(vregA, f->GetInt(obj));
85       break;
86     case Primitive::kPrimLong:
87       shadow_frame.SetVRegLong(vregA, f->GetLong(obj));
88       break;
89     case Primitive::kPrimNot:
90       shadow_frame.SetVRegReference(vregA, f->GetObject(obj));
91       break;
92     default:
93       LOG(FATAL) << "Unreachable: " << field_type;
94       UNREACHABLE();
95   }
96   return true;
97 }
98 
99 // Explicitly instantiate all DoFieldGet functions.
100 #define EXPLICIT_DO_FIELD_GET_TEMPLATE_DECL(_find_type, _field_type, _do_check) \
101   template bool DoFieldGet<_find_type, _field_type, _do_check>(Thread* self, \
102                                                                ShadowFrame& shadow_frame, \
103                                                                const Instruction* inst, \
104                                                                uint16_t inst_data)
105 
106 #define EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(_find_type, _field_type)  \
107     EXPLICIT_DO_FIELD_GET_TEMPLATE_DECL(_find_type, _field_type, false);  \
108     EXPLICIT_DO_FIELD_GET_TEMPLATE_DECL(_find_type, _field_type, true);
109 
110 // iget-XXX
EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead,Primitive::kPrimBoolean)111 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimBoolean)
112 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimByte)
113 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimChar)
114 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimShort)
115 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimInt)
116 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimLong)
117 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstanceObjectRead, Primitive::kPrimNot)
118 
119 // sget-XXX
120 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimBoolean)
121 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimByte)
122 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimChar)
123 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimShort)
124 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimInt)
125 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimLong)
126 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticObjectRead, Primitive::kPrimNot)
127 
128 #undef EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL
129 #undef EXPLICIT_DO_FIELD_GET_TEMPLATE_DECL
130 
131 // Handles iget-quick, iget-wide-quick and iget-object-quick instructions.
132 // Returns true on success, otherwise throws an exception and returns false.
133 template<Primitive::Type field_type>
134 bool DoIGetQuick(ShadowFrame& shadow_frame, const Instruction* inst, uint16_t inst_data) {
135   Object* obj = shadow_frame.GetVRegReference(inst->VRegB_22c(inst_data));
136   if (UNLIKELY(obj == nullptr)) {
137     // We lost the reference to the field index so we cannot get a more
138     // precised exception message.
139     ThrowNullPointerExceptionFromDexPC();
140     return false;
141   }
142   MemberOffset field_offset(inst->VRegC_22c());
143   // Report this field access to instrumentation if needed. Since we only have the offset of
144   // the field from the base of the object, we need to look for it first.
145   instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation();
146   if (UNLIKELY(instrumentation->HasFieldReadListeners())) {
147     ArtField* f = ArtField::FindInstanceFieldWithOffset(obj->GetClass(),
148                                                         field_offset.Uint32Value());
149     DCHECK(f != nullptr);
150     DCHECK(!f->IsStatic());
151     instrumentation->FieldReadEvent(Thread::Current(), obj, shadow_frame.GetMethod(),
152                                     shadow_frame.GetDexPC(), f);
153   }
154   // Note: iget-x-quick instructions are only for non-volatile fields.
155   const uint32_t vregA = inst->VRegA_22c(inst_data);
156   switch (field_type) {
157     case Primitive::kPrimInt:
158       shadow_frame.SetVReg(vregA, static_cast<int32_t>(obj->GetField32(field_offset)));
159       break;
160     case Primitive::kPrimBoolean:
161       shadow_frame.SetVReg(vregA, static_cast<int32_t>(obj->GetFieldBoolean(field_offset)));
162       break;
163     case Primitive::kPrimByte:
164       shadow_frame.SetVReg(vregA, static_cast<int32_t>(obj->GetFieldByte(field_offset)));
165       break;
166     case Primitive::kPrimChar:
167       shadow_frame.SetVReg(vregA, static_cast<int32_t>(obj->GetFieldChar(field_offset)));
168       break;
169     case Primitive::kPrimShort:
170       shadow_frame.SetVReg(vregA, static_cast<int32_t>(obj->GetFieldShort(field_offset)));
171       break;
172     case Primitive::kPrimLong:
173       shadow_frame.SetVRegLong(vregA, static_cast<int64_t>(obj->GetField64(field_offset)));
174       break;
175     case Primitive::kPrimNot:
176       shadow_frame.SetVRegReference(vregA, obj->GetFieldObject<mirror::Object>(field_offset));
177       break;
178     default:
179       LOG(FATAL) << "Unreachable: " << field_type;
180       UNREACHABLE();
181   }
182   return true;
183 }
184 
185 // Explicitly instantiate all DoIGetQuick functions.
186 #define EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(_field_type) \
187   template bool DoIGetQuick<_field_type>(ShadowFrame& shadow_frame, const Instruction* inst, \
188                                          uint16_t inst_data)
189 
190 EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimInt);      // iget-quick.
191 EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimBoolean);  // iget-boolean-quick.
192 EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimByte);     // iget-byte-quick.
193 EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimChar);     // iget-char-quick.
194 EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimShort);    // iget-short-quick.
195 EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimLong);     // iget-wide-quick.
196 EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimNot);      // iget-object-quick.
197 #undef EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL
198 
199 template<Primitive::Type field_type>
GetFieldValue(const ShadowFrame & shadow_frame,uint32_t vreg)200 static JValue GetFieldValue(const ShadowFrame& shadow_frame, uint32_t vreg)
201     SHARED_REQUIRES(Locks::mutator_lock_) {
202   JValue field_value;
203   switch (field_type) {
204     case Primitive::kPrimBoolean:
205       field_value.SetZ(static_cast<uint8_t>(shadow_frame.GetVReg(vreg)));
206       break;
207     case Primitive::kPrimByte:
208       field_value.SetB(static_cast<int8_t>(shadow_frame.GetVReg(vreg)));
209       break;
210     case Primitive::kPrimChar:
211       field_value.SetC(static_cast<uint16_t>(shadow_frame.GetVReg(vreg)));
212       break;
213     case Primitive::kPrimShort:
214       field_value.SetS(static_cast<int16_t>(shadow_frame.GetVReg(vreg)));
215       break;
216     case Primitive::kPrimInt:
217       field_value.SetI(shadow_frame.GetVReg(vreg));
218       break;
219     case Primitive::kPrimLong:
220       field_value.SetJ(shadow_frame.GetVRegLong(vreg));
221       break;
222     case Primitive::kPrimNot:
223       field_value.SetL(shadow_frame.GetVRegReference(vreg));
224       break;
225     default:
226       LOG(FATAL) << "Unreachable: " << field_type;
227       UNREACHABLE();
228   }
229   return field_value;
230 }
231 
232 template<FindFieldType find_type, Primitive::Type field_type, bool do_access_check,
233          bool transaction_active>
DoFieldPut(Thread * self,const ShadowFrame & shadow_frame,const Instruction * inst,uint16_t inst_data)234 bool DoFieldPut(Thread* self, const ShadowFrame& shadow_frame, const Instruction* inst,
235                 uint16_t inst_data) {
236   bool do_assignability_check = do_access_check;
237   bool is_static = (find_type == StaticObjectWrite) || (find_type == StaticPrimitiveWrite);
238   uint32_t field_idx = is_static ? inst->VRegB_21c() : inst->VRegC_22c();
239   ArtField* f =
240       FindFieldFromCode<find_type, do_access_check>(field_idx, shadow_frame.GetMethod(), self,
241                                                     Primitive::ComponentSize(field_type));
242   if (UNLIKELY(f == nullptr)) {
243     CHECK(self->IsExceptionPending());
244     return false;
245   }
246   Object* obj;
247   if (is_static) {
248     obj = f->GetDeclaringClass();
249   } else {
250     obj = shadow_frame.GetVRegReference(inst->VRegB_22c(inst_data));
251     if (UNLIKELY(obj == nullptr)) {
252       ThrowNullPointerExceptionForFieldAccess(f, false);
253       return false;
254     }
255   }
256   f->GetDeclaringClass()->AssertInitializedOrInitializingInThread(self);
257   uint32_t vregA = is_static ? inst->VRegA_21c(inst_data) : inst->VRegA_22c(inst_data);
258   // Report this field access to instrumentation if needed. Since we only have the offset of
259   // the field from the base of the object, we need to look for it first.
260   instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation();
261   if (UNLIKELY(instrumentation->HasFieldWriteListeners())) {
262     JValue field_value = GetFieldValue<field_type>(shadow_frame, vregA);
263     Object* this_object = f->IsStatic() ? nullptr : obj;
264     instrumentation->FieldWriteEvent(self, this_object, shadow_frame.GetMethod(),
265                                      shadow_frame.GetDexPC(), f, field_value);
266   }
267   switch (field_type) {
268     case Primitive::kPrimBoolean:
269       f->SetBoolean<transaction_active>(obj, shadow_frame.GetVReg(vregA));
270       break;
271     case Primitive::kPrimByte:
272       f->SetByte<transaction_active>(obj, shadow_frame.GetVReg(vregA));
273       break;
274     case Primitive::kPrimChar:
275       f->SetChar<transaction_active>(obj, shadow_frame.GetVReg(vregA));
276       break;
277     case Primitive::kPrimShort:
278       f->SetShort<transaction_active>(obj, shadow_frame.GetVReg(vregA));
279       break;
280     case Primitive::kPrimInt:
281       f->SetInt<transaction_active>(obj, shadow_frame.GetVReg(vregA));
282       break;
283     case Primitive::kPrimLong:
284       f->SetLong<transaction_active>(obj, shadow_frame.GetVRegLong(vregA));
285       break;
286     case Primitive::kPrimNot: {
287       Object* reg = shadow_frame.GetVRegReference(vregA);
288       if (do_assignability_check && reg != nullptr) {
289         // FieldHelper::GetType can resolve classes, use a handle wrapper which will restore the
290         // object in the destructor.
291         Class* field_class;
292         {
293           StackHandleScope<2> hs(self);
294           HandleWrapper<mirror::Object> h_reg(hs.NewHandleWrapper(&reg));
295           HandleWrapper<mirror::Object> h_obj(hs.NewHandleWrapper(&obj));
296           field_class = f->GetType<true>();
297         }
298         if (!reg->VerifierInstanceOf(field_class)) {
299           // This should never happen.
300           std::string temp1, temp2, temp3;
301           self->ThrowNewExceptionF("Ljava/lang/VirtualMachineError;",
302                                    "Put '%s' that is not instance of field '%s' in '%s'",
303                                    reg->GetClass()->GetDescriptor(&temp1),
304                                    field_class->GetDescriptor(&temp2),
305                                    f->GetDeclaringClass()->GetDescriptor(&temp3));
306           return false;
307         }
308       }
309       f->SetObj<transaction_active>(obj, reg);
310       break;
311     }
312     default:
313       LOG(FATAL) << "Unreachable: " << field_type;
314       UNREACHABLE();
315   }
316   return true;
317 }
318 
319 // Explicitly instantiate all DoFieldPut functions.
320 #define EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, _do_check, _transaction_active) \
321   template bool DoFieldPut<_find_type, _field_type, _do_check, _transaction_active>(Thread* self, \
322       const ShadowFrame& shadow_frame, const Instruction* inst, uint16_t inst_data)
323 
324 #define EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(_find_type, _field_type)  \
325     EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, false, false);  \
326     EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, true, false);  \
327     EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, false, true);  \
328     EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, true, true);
329 
330 // iput-XXX
EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite,Primitive::kPrimBoolean)331 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimBoolean)
332 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimByte)
333 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimChar)
334 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimShort)
335 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimInt)
336 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimLong)
337 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstanceObjectWrite, Primitive::kPrimNot)
338 
339 // sput-XXX
340 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimBoolean)
341 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimByte)
342 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimChar)
343 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimShort)
344 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimInt)
345 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimLong)
346 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticObjectWrite, Primitive::kPrimNot)
347 
348 #undef EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL
349 #undef EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL
350 
351 template<Primitive::Type field_type, bool transaction_active>
352 bool DoIPutQuick(const ShadowFrame& shadow_frame, const Instruction* inst, uint16_t inst_data) {
353   Object* obj = shadow_frame.GetVRegReference(inst->VRegB_22c(inst_data));
354   if (UNLIKELY(obj == nullptr)) {
355     // We lost the reference to the field index so we cannot get a more
356     // precised exception message.
357     ThrowNullPointerExceptionFromDexPC();
358     return false;
359   }
360   MemberOffset field_offset(inst->VRegC_22c());
361   const uint32_t vregA = inst->VRegA_22c(inst_data);
362   // Report this field modification to instrumentation if needed. Since we only have the offset of
363   // the field from the base of the object, we need to look for it first.
364   instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation();
365   if (UNLIKELY(instrumentation->HasFieldWriteListeners())) {
366     ArtField* f = ArtField::FindInstanceFieldWithOffset(obj->GetClass(),
367                                                         field_offset.Uint32Value());
368     DCHECK(f != nullptr);
369     DCHECK(!f->IsStatic());
370     JValue field_value = GetFieldValue<field_type>(shadow_frame, vregA);
371     instrumentation->FieldWriteEvent(Thread::Current(), obj, shadow_frame.GetMethod(),
372                                      shadow_frame.GetDexPC(), f, field_value);
373   }
374   // Note: iput-x-quick instructions are only for non-volatile fields.
375   switch (field_type) {
376     case Primitive::kPrimBoolean:
377       obj->SetFieldBoolean<transaction_active>(field_offset, shadow_frame.GetVReg(vregA));
378       break;
379     case Primitive::kPrimByte:
380       obj->SetFieldByte<transaction_active>(field_offset, shadow_frame.GetVReg(vregA));
381       break;
382     case Primitive::kPrimChar:
383       obj->SetFieldChar<transaction_active>(field_offset, shadow_frame.GetVReg(vregA));
384       break;
385     case Primitive::kPrimShort:
386       obj->SetFieldShort<transaction_active>(field_offset, shadow_frame.GetVReg(vregA));
387       break;
388     case Primitive::kPrimInt:
389       obj->SetField32<transaction_active>(field_offset, shadow_frame.GetVReg(vregA));
390       break;
391     case Primitive::kPrimLong:
392       obj->SetField64<transaction_active>(field_offset, shadow_frame.GetVRegLong(vregA));
393       break;
394     case Primitive::kPrimNot:
395       obj->SetFieldObject<transaction_active>(field_offset, shadow_frame.GetVRegReference(vregA));
396       break;
397     default:
398       LOG(FATAL) << "Unreachable: " << field_type;
399       UNREACHABLE();
400   }
401   return true;
402 }
403 
404 // Explicitly instantiate all DoIPutQuick functions.
405 #define EXPLICIT_DO_IPUT_QUICK_TEMPLATE_DECL(_field_type, _transaction_active) \
406   template bool DoIPutQuick<_field_type, _transaction_active>(const ShadowFrame& shadow_frame, \
407                                                               const Instruction* inst, \
408                                                               uint16_t inst_data)
409 
410 #define EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(_field_type)   \
411   EXPLICIT_DO_IPUT_QUICK_TEMPLATE_DECL(_field_type, false);     \
412   EXPLICIT_DO_IPUT_QUICK_TEMPLATE_DECL(_field_type, true);
413 
414 EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimInt)      // iput-quick.
EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimBoolean)415 EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimBoolean)  // iput-boolean-quick.
416 EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimByte)     // iput-byte-quick.
417 EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimChar)     // iput-char-quick.
418 EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimShort)    // iput-short-quick.
419 EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimLong)     // iput-wide-quick.
420 EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimNot)      // iput-object-quick.
421 #undef EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL
422 #undef EXPLICIT_DO_IPUT_QUICK_TEMPLATE_DECL
423 
424 // We accept a null Instrumentation* meaning we must not report anything to the instrumentation.
425 uint32_t FindNextInstructionFollowingException(
426     Thread* self, ShadowFrame& shadow_frame, uint32_t dex_pc,
427     const instrumentation::Instrumentation* instrumentation) {
428   self->VerifyStack();
429   StackHandleScope<2> hs(self);
430   Handle<mirror::Throwable> exception(hs.NewHandle(self->GetException()));
431   if (instrumentation != nullptr && instrumentation->HasExceptionCaughtListeners()
432       && self->IsExceptionThrownByCurrentMethod(exception.Get())) {
433     instrumentation->ExceptionCaughtEvent(self, exception.Get());
434   }
435   bool clear_exception = false;
436   uint32_t found_dex_pc = shadow_frame.GetMethod()->FindCatchBlock(
437       hs.NewHandle(exception->GetClass()), dex_pc, &clear_exception);
438   if (found_dex_pc == DexFile::kDexNoIndex && instrumentation != nullptr) {
439     // Exception is not caught by the current method. We will unwind to the
440     // caller. Notify any instrumentation listener.
441     instrumentation->MethodUnwindEvent(self, shadow_frame.GetThisObject(),
442                                        shadow_frame.GetMethod(), dex_pc);
443   } else {
444     // Exception is caught in the current method. We will jump to the found_dex_pc.
445     if (clear_exception) {
446       self->ClearException();
447     }
448   }
449   return found_dex_pc;
450 }
451 
UnexpectedOpcode(const Instruction * inst,const ShadowFrame & shadow_frame)452 void UnexpectedOpcode(const Instruction* inst, const ShadowFrame& shadow_frame) {
453   LOG(FATAL) << "Unexpected instruction: "
454              << inst->DumpString(shadow_frame.GetMethod()->GetDexFile());
455   UNREACHABLE();
456 }
457 
458 // Assign register 'src_reg' from shadow_frame to register 'dest_reg' into new_shadow_frame.
AssignRegister(ShadowFrame * new_shadow_frame,const ShadowFrame & shadow_frame,size_t dest_reg,size_t src_reg)459 static inline void AssignRegister(ShadowFrame* new_shadow_frame, const ShadowFrame& shadow_frame,
460                                   size_t dest_reg, size_t src_reg)
461     SHARED_REQUIRES(Locks::mutator_lock_) {
462   // Uint required, so that sign extension does not make this wrong on 64b systems
463   uint32_t src_value = shadow_frame.GetVReg(src_reg);
464   mirror::Object* o = shadow_frame.GetVRegReference<kVerifyNone>(src_reg);
465 
466   // If both register locations contains the same value, the register probably holds a reference.
467   // Note: As an optimization, non-moving collectors leave a stale reference value
468   // in the references array even after the original vreg was overwritten to a non-reference.
469   if (src_value == reinterpret_cast<uintptr_t>(o)) {
470     new_shadow_frame->SetVRegReference(dest_reg, o);
471   } else {
472     new_shadow_frame->SetVReg(dest_reg, src_value);
473   }
474 }
475 
AbortTransactionF(Thread * self,const char * fmt,...)476 void AbortTransactionF(Thread* self, const char* fmt, ...) {
477   va_list args;
478   va_start(args, fmt);
479   AbortTransactionV(self, fmt, args);
480   va_end(args);
481 }
482 
AbortTransactionV(Thread * self,const char * fmt,va_list args)483 void AbortTransactionV(Thread* self, const char* fmt, va_list args) {
484   CHECK(Runtime::Current()->IsActiveTransaction());
485   // Constructs abort message.
486   std::string abort_msg;
487   StringAppendV(&abort_msg, fmt, args);
488   // Throws an exception so we can abort the transaction and rollback every change.
489   Runtime::Current()->AbortTransactionAndThrowAbortError(self, abort_msg);
490 }
491 
492 // Separate declaration is required solely for the attributes.
493 template <bool is_range,
494           bool do_assignability_check,
495           size_t kVarArgMax>
496     SHARED_REQUIRES(Locks::mutator_lock_)
497 static inline bool DoCallCommon(ArtMethod* called_method,
498                                 Thread* self,
499                                 ShadowFrame& shadow_frame,
500                                 JValue* result,
501                                 uint16_t number_of_inputs,
502                                 uint32_t (&arg)[kVarArgMax],
503                                 uint32_t vregC) ALWAYS_INLINE;
504 
ArtInterpreterToCompiledCodeBridge(Thread * self,ArtMethod * caller,const DexFile::CodeItem * code_item,ShadowFrame * shadow_frame,JValue * result)505 void ArtInterpreterToCompiledCodeBridge(Thread* self,
506                                         ArtMethod* caller,
507                                         const DexFile::CodeItem* code_item,
508                                         ShadowFrame* shadow_frame,
509                                         JValue* result)
510     SHARED_REQUIRES(Locks::mutator_lock_) {
511   ArtMethod* method = shadow_frame->GetMethod();
512   // Ensure static methods are initialized.
513   if (method->IsStatic()) {
514     mirror::Class* declaringClass = method->GetDeclaringClass();
515     if (UNLIKELY(!declaringClass->IsInitialized())) {
516       self->PushShadowFrame(shadow_frame);
517       StackHandleScope<1> hs(self);
518       Handle<mirror::Class> h_class(hs.NewHandle(declaringClass));
519       if (UNLIKELY(!Runtime::Current()->GetClassLinker()->EnsureInitialized(self, h_class, true,
520                                                                             true))) {
521         self->PopShadowFrame();
522         DCHECK(self->IsExceptionPending());
523         return;
524       }
525       self->PopShadowFrame();
526       CHECK(h_class->IsInitializing());
527       // Reload from shadow frame in case the method moved, this is faster than adding a handle.
528       method = shadow_frame->GetMethod();
529     }
530   }
531   uint16_t arg_offset = (code_item == nullptr)
532                             ? 0
533                             : code_item->registers_size_ - code_item->ins_size_;
534   jit::Jit* jit = Runtime::Current()->GetJit();
535   if (jit != nullptr && caller != nullptr) {
536     jit->NotifyInterpreterToCompiledCodeTransition(self, caller);
537   }
538   method->Invoke(self, shadow_frame->GetVRegArgs(arg_offset),
539                  (shadow_frame->NumberOfVRegs() - arg_offset) * sizeof(uint32_t),
540                  result, method->GetInterfaceMethodIfProxy(sizeof(void*))->GetShorty());
541 }
542 
SetStringInitValueToAllAliases(ShadowFrame * shadow_frame,uint16_t this_obj_vreg,JValue result)543 void SetStringInitValueToAllAliases(ShadowFrame* shadow_frame,
544                                     uint16_t this_obj_vreg,
545                                     JValue result)
546     SHARED_REQUIRES(Locks::mutator_lock_) {
547   Object* existing = shadow_frame->GetVRegReference(this_obj_vreg);
548   if (existing == nullptr) {
549     // If it's null, we come from compiled code that was deoptimized. Nothing to do,
550     // as the compiler verified there was no alias.
551     // Set the new string result of the StringFactory.
552     shadow_frame->SetVRegReference(this_obj_vreg, result.GetL());
553     return;
554   }
555   // Set the string init result into all aliases.
556   for (uint32_t i = 0, e = shadow_frame->NumberOfVRegs(); i < e; ++i) {
557     if (shadow_frame->GetVRegReference(i) == existing) {
558       DCHECK_EQ(shadow_frame->GetVRegReference(i),
559                 reinterpret_cast<mirror::Object*>(shadow_frame->GetVReg(i)));
560       shadow_frame->SetVRegReference(i, result.GetL());
561       DCHECK_EQ(shadow_frame->GetVRegReference(i),
562                 reinterpret_cast<mirror::Object*>(shadow_frame->GetVReg(i)));
563     }
564   }
565 }
566 
567 template <bool is_range,
568           bool do_assignability_check,
569           size_t kVarArgMax>
DoCallCommon(ArtMethod * called_method,Thread * self,ShadowFrame & shadow_frame,JValue * result,uint16_t number_of_inputs,uint32_t (& arg)[kVarArgMax],uint32_t vregC)570 static inline bool DoCallCommon(ArtMethod* called_method,
571                                 Thread* self,
572                                 ShadowFrame& shadow_frame,
573                                 JValue* result,
574                                 uint16_t number_of_inputs,
575                                 uint32_t (&arg)[kVarArgMax],
576                                 uint32_t vregC) {
577   bool string_init = false;
578   // Replace calls to String.<init> with equivalent StringFactory call.
579   if (UNLIKELY(called_method->GetDeclaringClass()->IsStringClass()
580                && called_method->IsConstructor())) {
581     ScopedObjectAccessUnchecked soa(self);
582     jmethodID mid = soa.EncodeMethod(called_method);
583     called_method = soa.DecodeMethod(WellKnownClasses::StringInitToStringFactoryMethodID(mid));
584     string_init = true;
585   }
586 
587   // Compute method information.
588   const DexFile::CodeItem* code_item = called_method->GetCodeItem();
589 
590   // Number of registers for the callee's call frame.
591   uint16_t num_regs;
592   if (LIKELY(code_item != nullptr)) {
593     num_regs = code_item->registers_size_;
594     DCHECK_EQ(string_init ? number_of_inputs - 1 : number_of_inputs, code_item->ins_size_);
595   } else {
596     DCHECK(called_method->IsNative() || called_method->IsProxyMethod());
597     num_regs = number_of_inputs;
598   }
599 
600   // Hack for String init:
601   //
602   // Rewrite invoke-x java.lang.String.<init>(this, a, b, c, ...) into:
603   //         invoke-x StringFactory(a, b, c, ...)
604   // by effectively dropping the first virtual register from the invoke.
605   //
606   // (at this point the ArtMethod has already been replaced,
607   // so we just need to fix-up the arguments)
608   //
609   // Note that FindMethodFromCode in entrypoint_utils-inl.h was also special-cased
610   // to handle the compiler optimization of replacing `this` with null without
611   // throwing NullPointerException.
612   uint32_t string_init_vreg_this = is_range ? vregC : arg[0];
613   if (UNLIKELY(string_init)) {
614     DCHECK_GT(num_regs, 0u);  // As the method is an instance method, there should be at least 1.
615 
616     // The new StringFactory call is static and has one fewer argument.
617     if (code_item == nullptr) {
618       DCHECK(called_method->IsNative() || called_method->IsProxyMethod());
619       num_regs--;
620     }  // else ... don't need to change num_regs since it comes up from the string_init's code item
621     number_of_inputs--;
622 
623     // Rewrite the var-args, dropping the 0th argument ("this")
624     for (uint32_t i = 1; i < arraysize(arg); ++i) {
625       arg[i - 1] = arg[i];
626     }
627     arg[arraysize(arg) - 1] = 0;
628 
629     // Rewrite the non-var-arg case
630     vregC++;  // Skips the 0th vreg in the range ("this").
631   }
632 
633   // Parameter registers go at the end of the shadow frame.
634   DCHECK_GE(num_regs, number_of_inputs);
635   size_t first_dest_reg = num_regs - number_of_inputs;
636   DCHECK_NE(first_dest_reg, (size_t)-1);
637 
638   // Allocate shadow frame on the stack.
639   const char* old_cause = self->StartAssertNoThreadSuspension("DoCallCommon");
640   ShadowFrameAllocaUniquePtr shadow_frame_unique_ptr =
641       CREATE_SHADOW_FRAME(num_regs, &shadow_frame, called_method, /* dex pc */ 0);
642   ShadowFrame* new_shadow_frame = shadow_frame_unique_ptr.get();
643 
644   // Initialize new shadow frame by copying the registers from the callee shadow frame.
645   if (do_assignability_check) {
646     // Slow path.
647     // We might need to do class loading, which incurs a thread state change to kNative. So
648     // register the shadow frame as under construction and allow suspension again.
649     ScopedStackedShadowFramePusher pusher(
650         self, new_shadow_frame, StackedShadowFrameType::kShadowFrameUnderConstruction);
651     self->EndAssertNoThreadSuspension(old_cause);
652 
653     // ArtMethod here is needed to check type information of the call site against the callee.
654     // Type information is retrieved from a DexFile/DexCache for that respective declared method.
655     //
656     // As a special case for proxy methods, which are not dex-backed,
657     // we have to retrieve type information from the proxy's method
658     // interface method instead (which is dex backed since proxies are never interfaces).
659     ArtMethod* method = new_shadow_frame->GetMethod()->GetInterfaceMethodIfProxy(sizeof(void*));
660 
661     // We need to do runtime check on reference assignment. We need to load the shorty
662     // to get the exact type of each reference argument.
663     const DexFile::TypeList* params = method->GetParameterTypeList();
664     uint32_t shorty_len = 0;
665     const char* shorty = method->GetShorty(&shorty_len);
666 
667     // Handle receiver apart since it's not part of the shorty.
668     size_t dest_reg = first_dest_reg;
669     size_t arg_offset = 0;
670 
671     if (!method->IsStatic()) {
672       size_t receiver_reg = is_range ? vregC : arg[0];
673       new_shadow_frame->SetVRegReference(dest_reg, shadow_frame.GetVRegReference(receiver_reg));
674       ++dest_reg;
675       ++arg_offset;
676       DCHECK(!string_init);  // All StringFactory methods are static.
677     }
678 
679     // Copy the caller's invoke-* arguments into the callee's parameter registers.
680     for (uint32_t shorty_pos = 0; dest_reg < num_regs; ++shorty_pos, ++dest_reg, ++arg_offset) {
681       // Skip the 0th 'shorty' type since it represents the return type.
682       DCHECK_LT(shorty_pos + 1, shorty_len) << "for shorty '" << shorty << "'";
683       const size_t src_reg = (is_range) ? vregC + arg_offset : arg[arg_offset];
684       switch (shorty[shorty_pos + 1]) {
685         // Handle Object references. 1 virtual register slot.
686         case 'L': {
687           Object* o = shadow_frame.GetVRegReference(src_reg);
688           if (do_assignability_check && o != nullptr) {
689             size_t pointer_size = Runtime::Current()->GetClassLinker()->GetImagePointerSize();
690             Class* arg_type =
691                 method->GetClassFromTypeIndex(
692                     params->GetTypeItem(shorty_pos).type_idx_, true /* resolve */, pointer_size);
693             if (arg_type == nullptr) {
694               CHECK(self->IsExceptionPending());
695               return false;
696             }
697             if (!o->VerifierInstanceOf(arg_type)) {
698               // This should never happen.
699               std::string temp1, temp2;
700               self->ThrowNewExceptionF("Ljava/lang/VirtualMachineError;",
701                                        "Invoking %s with bad arg %d, type '%s' not instance of '%s'",
702                                        new_shadow_frame->GetMethod()->GetName(), shorty_pos,
703                                        o->GetClass()->GetDescriptor(&temp1),
704                                        arg_type->GetDescriptor(&temp2));
705               return false;
706             }
707           }
708           new_shadow_frame->SetVRegReference(dest_reg, o);
709           break;
710         }
711         // Handle doubles and longs. 2 consecutive virtual register slots.
712         case 'J': case 'D': {
713           uint64_t wide_value =
714               (static_cast<uint64_t>(shadow_frame.GetVReg(src_reg + 1)) << BitSizeOf<uint32_t>()) |
715                static_cast<uint32_t>(shadow_frame.GetVReg(src_reg));
716           new_shadow_frame->SetVRegLong(dest_reg, wide_value);
717           // Skip the next virtual register slot since we already used it.
718           ++dest_reg;
719           ++arg_offset;
720           break;
721         }
722         // Handle all other primitives that are always 1 virtual register slot.
723         default:
724           new_shadow_frame->SetVReg(dest_reg, shadow_frame.GetVReg(src_reg));
725           break;
726       }
727     }
728   } else {
729     size_t arg_index = 0;
730 
731     // Fast path: no extra checks.
732     if (is_range) {
733       // TODO: Implement the range version of invoke-lambda
734       uint16_t first_src_reg = vregC;
735 
736       for (size_t src_reg = first_src_reg, dest_reg = first_dest_reg; dest_reg < num_regs;
737           ++dest_reg, ++src_reg) {
738         AssignRegister(new_shadow_frame, shadow_frame, dest_reg, src_reg);
739       }
740     } else {
741       DCHECK_LE(number_of_inputs, arraysize(arg));
742 
743       for (; arg_index < number_of_inputs; ++arg_index) {
744         AssignRegister(new_shadow_frame, shadow_frame, first_dest_reg + arg_index, arg[arg_index]);
745       }
746     }
747     self->EndAssertNoThreadSuspension(old_cause);
748   }
749 
750   // Do the call now.
751   if (LIKELY(Runtime::Current()->IsStarted())) {
752     ArtMethod* target = new_shadow_frame->GetMethod();
753     if (ClassLinker::ShouldUseInterpreterEntrypoint(
754         target,
755         target->GetEntryPointFromQuickCompiledCode())) {
756       ArtInterpreterToInterpreterBridge(self, code_item, new_shadow_frame, result);
757     } else {
758       ArtInterpreterToCompiledCodeBridge(
759           self, shadow_frame.GetMethod(), code_item, new_shadow_frame, result);
760     }
761   } else {
762     UnstartedRuntime::Invoke(self, code_item, new_shadow_frame, result, first_dest_reg);
763   }
764 
765   if (string_init && !self->IsExceptionPending()) {
766     SetStringInitValueToAllAliases(&shadow_frame, string_init_vreg_this, *result);
767   }
768 
769   return !self->IsExceptionPending();
770 }
771 
772 template<bool is_range, bool do_assignability_check>
DoLambdaCall(ArtMethod * called_method,Thread * self,ShadowFrame & shadow_frame,const Instruction * inst,uint16_t inst_data ATTRIBUTE_UNUSED,JValue * result)773 bool DoLambdaCall(ArtMethod* called_method, Thread* self, ShadowFrame& shadow_frame,
774                   const Instruction* inst, uint16_t inst_data ATTRIBUTE_UNUSED, JValue* result) {
775   const uint4_t num_additional_registers = inst->VRegB_25x();
776   // Argument word count.
777   const uint16_t number_of_inputs = num_additional_registers + kLambdaVirtualRegisterWidth;
778   // The lambda closure register is always present and is not encoded in the count.
779   // Furthermore, the lambda closure register is always wide, so it counts as 2 inputs.
780 
781   // TODO: find a cleaner way to separate non-range and range information without duplicating
782   //       code.
783   uint32_t arg[Instruction::kMaxVarArgRegs25x];  // only used in invoke-XXX.
784   uint32_t vregC = 0;   // only used in invoke-XXX-range.
785   if (is_range) {
786     vregC = inst->VRegC_3rc();
787   } else {
788     // TODO(iam): See if it's possible to remove inst_data dependency from 35x to avoid this path
789     inst->GetAllArgs25x(arg);
790   }
791 
792   // TODO: if there's an assignability check, throw instead?
793   DCHECK(called_method->IsStatic());
794 
795   return DoCallCommon<is_range, do_assignability_check>(
796       called_method, self, shadow_frame,
797       result, number_of_inputs, arg, vregC);
798 }
799 
800 template<bool is_range, bool do_assignability_check>
DoCall(ArtMethod * called_method,Thread * self,ShadowFrame & shadow_frame,const Instruction * inst,uint16_t inst_data,JValue * result)801 bool DoCall(ArtMethod* called_method, Thread* self, ShadowFrame& shadow_frame,
802             const Instruction* inst, uint16_t inst_data, JValue* result) {
803   // Argument word count.
804   const uint16_t number_of_inputs =
805       (is_range) ? inst->VRegA_3rc(inst_data) : inst->VRegA_35c(inst_data);
806 
807   // TODO: find a cleaner way to separate non-range and range information without duplicating
808   //       code.
809   uint32_t arg[Instruction::kMaxVarArgRegs] = {};  // only used in invoke-XXX.
810   uint32_t vregC = 0;
811   if (is_range) {
812     vregC = inst->VRegC_3rc();
813   } else {
814     vregC = inst->VRegC_35c();
815     inst->GetVarArgs(arg, inst_data);
816   }
817 
818   return DoCallCommon<is_range, do_assignability_check>(
819       called_method, self, shadow_frame,
820       result, number_of_inputs, arg, vregC);
821 }
822 
823 template <bool is_range, bool do_access_check, bool transaction_active>
DoFilledNewArray(const Instruction * inst,const ShadowFrame & shadow_frame,Thread * self,JValue * result)824 bool DoFilledNewArray(const Instruction* inst, const ShadowFrame& shadow_frame,
825                       Thread* self, JValue* result) {
826   DCHECK(inst->Opcode() == Instruction::FILLED_NEW_ARRAY ||
827          inst->Opcode() == Instruction::FILLED_NEW_ARRAY_RANGE);
828   const int32_t length = is_range ? inst->VRegA_3rc() : inst->VRegA_35c();
829   if (!is_range) {
830     // Checks FILLED_NEW_ARRAY's length does not exceed 5 arguments.
831     CHECK_LE(length, 5);
832   }
833   if (UNLIKELY(length < 0)) {
834     ThrowNegativeArraySizeException(length);
835     return false;
836   }
837   uint16_t type_idx = is_range ? inst->VRegB_3rc() : inst->VRegB_35c();
838   Class* array_class = ResolveVerifyAndClinit(type_idx, shadow_frame.GetMethod(),
839                                               self, false, do_access_check);
840   if (UNLIKELY(array_class == nullptr)) {
841     DCHECK(self->IsExceptionPending());
842     return false;
843   }
844   CHECK(array_class->IsArrayClass());
845   Class* component_class = array_class->GetComponentType();
846   const bool is_primitive_int_component = component_class->IsPrimitiveInt();
847   if (UNLIKELY(component_class->IsPrimitive() && !is_primitive_int_component)) {
848     if (component_class->IsPrimitiveLong() || component_class->IsPrimitiveDouble()) {
849       ThrowRuntimeException("Bad filled array request for type %s",
850                             PrettyDescriptor(component_class).c_str());
851     } else {
852       self->ThrowNewExceptionF("Ljava/lang/InternalError;",
853                                "Found type %s; filled-new-array not implemented for anything but 'int'",
854                                PrettyDescriptor(component_class).c_str());
855     }
856     return false;
857   }
858   Object* new_array = Array::Alloc<true>(self, array_class, length,
859                                          array_class->GetComponentSizeShift(),
860                                          Runtime::Current()->GetHeap()->GetCurrentAllocator());
861   if (UNLIKELY(new_array == nullptr)) {
862     self->AssertPendingOOMException();
863     return false;
864   }
865   uint32_t arg[Instruction::kMaxVarArgRegs];  // only used in filled-new-array.
866   uint32_t vregC = 0;   // only used in filled-new-array-range.
867   if (is_range) {
868     vregC = inst->VRegC_3rc();
869   } else {
870     inst->GetVarArgs(arg);
871   }
872   for (int32_t i = 0; i < length; ++i) {
873     size_t src_reg = is_range ? vregC + i : arg[i];
874     if (is_primitive_int_component) {
875       new_array->AsIntArray()->SetWithoutChecks<transaction_active>(
876           i, shadow_frame.GetVReg(src_reg));
877     } else {
878       new_array->AsObjectArray<Object>()->SetWithoutChecks<transaction_active>(
879           i, shadow_frame.GetVRegReference(src_reg));
880     }
881   }
882 
883   result->SetL(new_array);
884   return true;
885 }
886 
887 // TODO fix thread analysis: should be SHARED_REQUIRES(Locks::mutator_lock_).
888 template<typename T>
RecordArrayElementsInTransactionImpl(mirror::PrimitiveArray<T> * array,int32_t count)889 static void RecordArrayElementsInTransactionImpl(mirror::PrimitiveArray<T>* array, int32_t count)
890     NO_THREAD_SAFETY_ANALYSIS {
891   Runtime* runtime = Runtime::Current();
892   for (int32_t i = 0; i < count; ++i) {
893     runtime->RecordWriteArray(array, i, array->GetWithoutChecks(i));
894   }
895 }
896 
RecordArrayElementsInTransaction(mirror::Array * array,int32_t count)897 void RecordArrayElementsInTransaction(mirror::Array* array, int32_t count)
898     SHARED_REQUIRES(Locks::mutator_lock_) {
899   DCHECK(Runtime::Current()->IsActiveTransaction());
900   DCHECK(array != nullptr);
901   DCHECK_LE(count, array->GetLength());
902   Primitive::Type primitive_component_type = array->GetClass()->GetComponentType()->GetPrimitiveType();
903   switch (primitive_component_type) {
904     case Primitive::kPrimBoolean:
905       RecordArrayElementsInTransactionImpl(array->AsBooleanArray(), count);
906       break;
907     case Primitive::kPrimByte:
908       RecordArrayElementsInTransactionImpl(array->AsByteArray(), count);
909       break;
910     case Primitive::kPrimChar:
911       RecordArrayElementsInTransactionImpl(array->AsCharArray(), count);
912       break;
913     case Primitive::kPrimShort:
914       RecordArrayElementsInTransactionImpl(array->AsShortArray(), count);
915       break;
916     case Primitive::kPrimInt:
917       RecordArrayElementsInTransactionImpl(array->AsIntArray(), count);
918       break;
919     case Primitive::kPrimFloat:
920       RecordArrayElementsInTransactionImpl(array->AsFloatArray(), count);
921       break;
922     case Primitive::kPrimLong:
923       RecordArrayElementsInTransactionImpl(array->AsLongArray(), count);
924       break;
925     case Primitive::kPrimDouble:
926       RecordArrayElementsInTransactionImpl(array->AsDoubleArray(), count);
927       break;
928     default:
929       LOG(FATAL) << "Unsupported primitive type " << primitive_component_type
930                  << " in fill-array-data";
931       break;
932   }
933 }
934 
935 // Explicit DoCall template function declarations.
936 #define EXPLICIT_DO_CALL_TEMPLATE_DECL(_is_range, _do_assignability_check)                      \
937   template SHARED_REQUIRES(Locks::mutator_lock_)                                                \
938   bool DoCall<_is_range, _do_assignability_check>(ArtMethod* method, Thread* self,              \
939                                                   ShadowFrame& shadow_frame,                    \
940                                                   const Instruction* inst, uint16_t inst_data,  \
941                                                   JValue* result)
942 EXPLICIT_DO_CALL_TEMPLATE_DECL(false, false);
943 EXPLICIT_DO_CALL_TEMPLATE_DECL(false, true);
944 EXPLICIT_DO_CALL_TEMPLATE_DECL(true, false);
945 EXPLICIT_DO_CALL_TEMPLATE_DECL(true, true);
946 #undef EXPLICIT_DO_CALL_TEMPLATE_DECL
947 
948 // Explicit DoLambdaCall template function declarations.
949 #define EXPLICIT_DO_LAMBDA_CALL_TEMPLATE_DECL(_is_range, _do_assignability_check)               \
950   template SHARED_REQUIRES(Locks::mutator_lock_)                                                \
951   bool DoLambdaCall<_is_range, _do_assignability_check>(ArtMethod* method, Thread* self,        \
952                                                         ShadowFrame& shadow_frame,              \
953                                                         const Instruction* inst,                \
954                                                         uint16_t inst_data,                     \
955                                                         JValue* result)
956 EXPLICIT_DO_LAMBDA_CALL_TEMPLATE_DECL(false, false);
957 EXPLICIT_DO_LAMBDA_CALL_TEMPLATE_DECL(false, true);
958 EXPLICIT_DO_LAMBDA_CALL_TEMPLATE_DECL(true, false);
959 EXPLICIT_DO_LAMBDA_CALL_TEMPLATE_DECL(true, true);
960 #undef EXPLICIT_DO_LAMBDA_CALL_TEMPLATE_DECL
961 
962 // Explicit DoFilledNewArray template function declarations.
963 #define EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(_is_range_, _check, _transaction_active)       \
964   template SHARED_REQUIRES(Locks::mutator_lock_)                                                  \
965   bool DoFilledNewArray<_is_range_, _check, _transaction_active>(const Instruction* inst,         \
966                                                                  const ShadowFrame& shadow_frame, \
967                                                                  Thread* self, JValue* result)
968 #define EXPLICIT_DO_FILLED_NEW_ARRAY_ALL_TEMPLATE_DECL(_transaction_active)       \
969   EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(false, false, _transaction_active);  \
970   EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(false, true, _transaction_active);   \
971   EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(true, false, _transaction_active);   \
972   EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(true, true, _transaction_active)
973 EXPLICIT_DO_FILLED_NEW_ARRAY_ALL_TEMPLATE_DECL(false);
974 EXPLICIT_DO_FILLED_NEW_ARRAY_ALL_TEMPLATE_DECL(true);
975 #undef EXPLICIT_DO_FILLED_NEW_ARRAY_ALL_TEMPLATE_DECL
976 #undef EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL
977 
978 }  // namespace interpreter
979 }  // namespace art
980