blob: 6f5b843ee462d1e797260e2327e2b54274f8f53d [file] [log] [blame]
Sebastien Hertz8ece0502013-08-07 11:26:41 +02001/*
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"
Ian Rogers22d5e732014-07-15 22:23:51 -070018
Andreas Gampef0e128a2015-02-27 20:08:34 -080019#include <cmath>
20
Daniel Mihalyieb076692014-08-22 17:33:31 +020021#include "debugger.h"
Nicolas Geoffray7bf2b4f2015-07-08 10:11:59 +000022#include "entrypoints/runtime_asm_entrypoints.h"
Sebastien Hertzd2fe10a2014-01-15 10:20:56 +010023#include "mirror/array-inl.h"
Andreas Gampeb3025922015-09-01 14:45:00 -070024#include "stack.h"
Andreas Gampe2969bcd2015-03-09 12:57:41 -070025#include "unstarted_runtime.h"
Jeff Hao848f70a2014-01-15 13:49:50 -080026#include "verifier/method_verifier.h"
Sebastien Hertz8ece0502013-08-07 11:26:41 +020027
28namespace art {
29namespace interpreter {
30
Igor Murashkin6918bf12015-09-27 19:19:06 -070031// All lambda closures have to be a consecutive pair of virtual registers.
32static constexpr size_t kLambdaVirtualRegisterWidth = 2;
33
Nicolas Geoffray0aa50ce2015-03-10 11:03:29 +000034void ThrowNullPointerExceptionFromInterpreter() {
35 ThrowNullPointerExceptionFromDexPC();
Ian Rogers54874942014-06-10 16:31:03 -070036}
37
38template<FindFieldType find_type, Primitive::Type field_type, bool do_access_check>
39bool DoFieldGet(Thread* self, ShadowFrame& shadow_frame, const Instruction* inst,
40 uint16_t inst_data) {
41 const bool is_static = (find_type == StaticObjectRead) || (find_type == StaticPrimitiveRead);
42 const uint32_t field_idx = is_static ? inst->VRegB_21c() : inst->VRegC_22c();
43 ArtField* f = FindFieldFromCode<find_type, do_access_check>(field_idx, shadow_frame.GetMethod(), self,
Fred Shih37f05ef2014-07-16 18:38:08 -070044 Primitive::ComponentSize(field_type));
Ian Rogers54874942014-06-10 16:31:03 -070045 if (UNLIKELY(f == nullptr)) {
46 CHECK(self->IsExceptionPending());
47 return false;
48 }
49 Object* obj;
50 if (is_static) {
51 obj = f->GetDeclaringClass();
52 } else {
53 obj = shadow_frame.GetVRegReference(inst->VRegB_22c(inst_data));
54 if (UNLIKELY(obj == nullptr)) {
Nicolas Geoffray0aa50ce2015-03-10 11:03:29 +000055 ThrowNullPointerExceptionForFieldAccess(f, true);
Ian Rogers54874942014-06-10 16:31:03 -070056 return false;
57 }
58 }
Sebastien Hertz1edbd8e2014-07-16 20:00:11 +020059 f->GetDeclaringClass()->AssertInitializedOrInitializingInThread(self);
Ian Rogers54874942014-06-10 16:31:03 -070060 // Report this field access to instrumentation if needed.
61 instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation();
62 if (UNLIKELY(instrumentation->HasFieldReadListeners())) {
63 Object* this_object = f->IsStatic() ? nullptr : obj;
64 instrumentation->FieldReadEvent(self, this_object, shadow_frame.GetMethod(),
65 shadow_frame.GetDexPC(), f);
66 }
67 uint32_t vregA = is_static ? inst->VRegA_21c(inst_data) : inst->VRegA_22c(inst_data);
68 switch (field_type) {
69 case Primitive::kPrimBoolean:
70 shadow_frame.SetVReg(vregA, f->GetBoolean(obj));
71 break;
72 case Primitive::kPrimByte:
73 shadow_frame.SetVReg(vregA, f->GetByte(obj));
74 break;
75 case Primitive::kPrimChar:
76 shadow_frame.SetVReg(vregA, f->GetChar(obj));
77 break;
78 case Primitive::kPrimShort:
79 shadow_frame.SetVReg(vregA, f->GetShort(obj));
80 break;
81 case Primitive::kPrimInt:
82 shadow_frame.SetVReg(vregA, f->GetInt(obj));
83 break;
84 case Primitive::kPrimLong:
85 shadow_frame.SetVRegLong(vregA, f->GetLong(obj));
86 break;
87 case Primitive::kPrimNot:
88 shadow_frame.SetVRegReference(vregA, f->GetObject(obj));
89 break;
90 default:
91 LOG(FATAL) << "Unreachable: " << field_type;
Ian Rogers2c4257b2014-10-24 14:20:06 -070092 UNREACHABLE();
Ian Rogers54874942014-06-10 16:31:03 -070093 }
94 return true;
95}
96
97// Explicitly instantiate all DoFieldGet functions.
98#define EXPLICIT_DO_FIELD_GET_TEMPLATE_DECL(_find_type, _field_type, _do_check) \
99 template bool DoFieldGet<_find_type, _field_type, _do_check>(Thread* self, \
100 ShadowFrame& shadow_frame, \
101 const Instruction* inst, \
102 uint16_t inst_data)
103
104#define EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(_find_type, _field_type) \
105 EXPLICIT_DO_FIELD_GET_TEMPLATE_DECL(_find_type, _field_type, false); \
106 EXPLICIT_DO_FIELD_GET_TEMPLATE_DECL(_find_type, _field_type, true);
107
108// iget-XXX
Andreas Gampec8ccf682014-09-29 20:07:43 -0700109EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimBoolean)
110EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimByte)
111EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimChar)
112EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimShort)
113EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimInt)
114EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimLong)
115EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstanceObjectRead, Primitive::kPrimNot)
Ian Rogers54874942014-06-10 16:31:03 -0700116
117// sget-XXX
Andreas Gampec8ccf682014-09-29 20:07:43 -0700118EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimBoolean)
119EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimByte)
120EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimChar)
121EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimShort)
122EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimInt)
123EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimLong)
124EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticObjectRead, Primitive::kPrimNot)
Ian Rogers54874942014-06-10 16:31:03 -0700125
126#undef EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL
127#undef EXPLICIT_DO_FIELD_GET_TEMPLATE_DECL
128
129// Handles iget-quick, iget-wide-quick and iget-object-quick instructions.
130// Returns true on success, otherwise throws an exception and returns false.
131template<Primitive::Type field_type>
132bool DoIGetQuick(ShadowFrame& shadow_frame, const Instruction* inst, uint16_t inst_data) {
133 Object* obj = shadow_frame.GetVRegReference(inst->VRegB_22c(inst_data));
134 if (UNLIKELY(obj == nullptr)) {
135 // We lost the reference to the field index so we cannot get a more
136 // precised exception message.
Nicolas Geoffray0aa50ce2015-03-10 11:03:29 +0000137 ThrowNullPointerExceptionFromDexPC();
Ian Rogers54874942014-06-10 16:31:03 -0700138 return false;
139 }
140 MemberOffset field_offset(inst->VRegC_22c());
141 // Report this field access to instrumentation if needed. Since we only have the offset of
142 // the field from the base of the object, we need to look for it first.
143 instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation();
144 if (UNLIKELY(instrumentation->HasFieldReadListeners())) {
145 ArtField* f = ArtField::FindInstanceFieldWithOffset(obj->GetClass(),
146 field_offset.Uint32Value());
147 DCHECK(f != nullptr);
148 DCHECK(!f->IsStatic());
149 instrumentation->FieldReadEvent(Thread::Current(), obj, shadow_frame.GetMethod(),
150 shadow_frame.GetDexPC(), f);
151 }
152 // Note: iget-x-quick instructions are only for non-volatile fields.
153 const uint32_t vregA = inst->VRegA_22c(inst_data);
154 switch (field_type) {
155 case Primitive::kPrimInt:
156 shadow_frame.SetVReg(vregA, static_cast<int32_t>(obj->GetField32(field_offset)));
157 break;
Mathieu Chartierffc605c2014-12-10 10:35:44 -0800158 case Primitive::kPrimBoolean:
159 shadow_frame.SetVReg(vregA, static_cast<int32_t>(obj->GetFieldBoolean(field_offset)));
160 break;
161 case Primitive::kPrimByte:
162 shadow_frame.SetVReg(vregA, static_cast<int32_t>(obj->GetFieldByte(field_offset)));
163 break;
164 case Primitive::kPrimChar:
165 shadow_frame.SetVReg(vregA, static_cast<int32_t>(obj->GetFieldChar(field_offset)));
166 break;
167 case Primitive::kPrimShort:
168 shadow_frame.SetVReg(vregA, static_cast<int32_t>(obj->GetFieldShort(field_offset)));
169 break;
Ian Rogers54874942014-06-10 16:31:03 -0700170 case Primitive::kPrimLong:
171 shadow_frame.SetVRegLong(vregA, static_cast<int64_t>(obj->GetField64(field_offset)));
172 break;
173 case Primitive::kPrimNot:
174 shadow_frame.SetVRegReference(vregA, obj->GetFieldObject<mirror::Object>(field_offset));
175 break;
176 default:
177 LOG(FATAL) << "Unreachable: " << field_type;
Ian Rogers2c4257b2014-10-24 14:20:06 -0700178 UNREACHABLE();
Ian Rogers54874942014-06-10 16:31:03 -0700179 }
180 return true;
181}
182
183// Explicitly instantiate all DoIGetQuick functions.
184#define EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(_field_type) \
185 template bool DoIGetQuick<_field_type>(ShadowFrame& shadow_frame, const Instruction* inst, \
186 uint16_t inst_data)
187
Mathieu Chartierffc605c2014-12-10 10:35:44 -0800188EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimInt); // iget-quick.
189EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimBoolean); // iget-boolean-quick.
190EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimByte); // iget-byte-quick.
191EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimChar); // iget-char-quick.
192EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimShort); // iget-short-quick.
193EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimLong); // iget-wide-quick.
194EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimNot); // iget-object-quick.
Ian Rogers54874942014-06-10 16:31:03 -0700195#undef EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL
196
197template<Primitive::Type field_type>
198static JValue GetFieldValue(const ShadowFrame& shadow_frame, uint32_t vreg)
Mathieu Chartier90443472015-07-16 20:32:27 -0700199 SHARED_REQUIRES(Locks::mutator_lock_) {
Ian Rogers54874942014-06-10 16:31:03 -0700200 JValue field_value;
201 switch (field_type) {
202 case Primitive::kPrimBoolean:
203 field_value.SetZ(static_cast<uint8_t>(shadow_frame.GetVReg(vreg)));
204 break;
205 case Primitive::kPrimByte:
206 field_value.SetB(static_cast<int8_t>(shadow_frame.GetVReg(vreg)));
207 break;
208 case Primitive::kPrimChar:
209 field_value.SetC(static_cast<uint16_t>(shadow_frame.GetVReg(vreg)));
210 break;
211 case Primitive::kPrimShort:
212 field_value.SetS(static_cast<int16_t>(shadow_frame.GetVReg(vreg)));
213 break;
214 case Primitive::kPrimInt:
215 field_value.SetI(shadow_frame.GetVReg(vreg));
216 break;
217 case Primitive::kPrimLong:
218 field_value.SetJ(shadow_frame.GetVRegLong(vreg));
219 break;
220 case Primitive::kPrimNot:
221 field_value.SetL(shadow_frame.GetVRegReference(vreg));
222 break;
223 default:
224 LOG(FATAL) << "Unreachable: " << field_type;
Ian Rogers2c4257b2014-10-24 14:20:06 -0700225 UNREACHABLE();
Ian Rogers54874942014-06-10 16:31:03 -0700226 }
227 return field_value;
228}
229
230template<FindFieldType find_type, Primitive::Type field_type, bool do_access_check,
231 bool transaction_active>
232bool DoFieldPut(Thread* self, const ShadowFrame& shadow_frame, const Instruction* inst,
233 uint16_t inst_data) {
234 bool do_assignability_check = do_access_check;
235 bool is_static = (find_type == StaticObjectWrite) || (find_type == StaticPrimitiveWrite);
236 uint32_t field_idx = is_static ? inst->VRegB_21c() : inst->VRegC_22c();
237 ArtField* f = FindFieldFromCode<find_type, do_access_check>(field_idx, shadow_frame.GetMethod(), self,
Fred Shih37f05ef2014-07-16 18:38:08 -0700238 Primitive::ComponentSize(field_type));
Ian Rogers54874942014-06-10 16:31:03 -0700239 if (UNLIKELY(f == nullptr)) {
240 CHECK(self->IsExceptionPending());
241 return false;
242 }
243 Object* obj;
244 if (is_static) {
245 obj = f->GetDeclaringClass();
246 } else {
247 obj = shadow_frame.GetVRegReference(inst->VRegB_22c(inst_data));
248 if (UNLIKELY(obj == nullptr)) {
Nicolas Geoffray0aa50ce2015-03-10 11:03:29 +0000249 ThrowNullPointerExceptionForFieldAccess(f, false);
Ian Rogers54874942014-06-10 16:31:03 -0700250 return false;
251 }
252 }
Sebastien Hertz1edbd8e2014-07-16 20:00:11 +0200253 f->GetDeclaringClass()->AssertInitializedOrInitializingInThread(self);
Ian Rogers54874942014-06-10 16:31:03 -0700254 uint32_t vregA = is_static ? inst->VRegA_21c(inst_data) : inst->VRegA_22c(inst_data);
255 // Report this field access to instrumentation if needed. Since we only have the offset of
256 // the field from the base of the object, we need to look for it first.
257 instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation();
258 if (UNLIKELY(instrumentation->HasFieldWriteListeners())) {
259 JValue field_value = GetFieldValue<field_type>(shadow_frame, vregA);
260 Object* this_object = f->IsStatic() ? nullptr : obj;
261 instrumentation->FieldWriteEvent(self, this_object, shadow_frame.GetMethod(),
262 shadow_frame.GetDexPC(), f, field_value);
263 }
264 switch (field_type) {
265 case Primitive::kPrimBoolean:
266 f->SetBoolean<transaction_active>(obj, shadow_frame.GetVReg(vregA));
267 break;
268 case Primitive::kPrimByte:
269 f->SetByte<transaction_active>(obj, shadow_frame.GetVReg(vregA));
270 break;
271 case Primitive::kPrimChar:
272 f->SetChar<transaction_active>(obj, shadow_frame.GetVReg(vregA));
273 break;
274 case Primitive::kPrimShort:
275 f->SetShort<transaction_active>(obj, shadow_frame.GetVReg(vregA));
276 break;
277 case Primitive::kPrimInt:
278 f->SetInt<transaction_active>(obj, shadow_frame.GetVReg(vregA));
279 break;
280 case Primitive::kPrimLong:
281 f->SetLong<transaction_active>(obj, shadow_frame.GetVRegLong(vregA));
282 break;
283 case Primitive::kPrimNot: {
284 Object* reg = shadow_frame.GetVRegReference(vregA);
285 if (do_assignability_check && reg != nullptr) {
286 // FieldHelper::GetType can resolve classes, use a handle wrapper which will restore the
287 // object in the destructor.
288 Class* field_class;
289 {
Mathieu Chartierc7853442015-03-27 14:35:38 -0700290 StackHandleScope<2> hs(self);
Ian Rogers54874942014-06-10 16:31:03 -0700291 HandleWrapper<mirror::Object> h_reg(hs.NewHandleWrapper(&reg));
292 HandleWrapper<mirror::Object> h_obj(hs.NewHandleWrapper(&obj));
Mathieu Chartierc7853442015-03-27 14:35:38 -0700293 field_class = f->GetType<true>();
Ian Rogers54874942014-06-10 16:31:03 -0700294 }
295 if (!reg->VerifierInstanceOf(field_class)) {
296 // This should never happen.
Ian Rogers1ff3c982014-08-12 02:30:58 -0700297 std::string temp1, temp2, temp3;
Nicolas Geoffray0aa50ce2015-03-10 11:03:29 +0000298 self->ThrowNewExceptionF("Ljava/lang/VirtualMachineError;",
Ian Rogers54874942014-06-10 16:31:03 -0700299 "Put '%s' that is not instance of field '%s' in '%s'",
Ian Rogers1ff3c982014-08-12 02:30:58 -0700300 reg->GetClass()->GetDescriptor(&temp1),
301 field_class->GetDescriptor(&temp2),
302 f->GetDeclaringClass()->GetDescriptor(&temp3));
Ian Rogers54874942014-06-10 16:31:03 -0700303 return false;
304 }
305 }
306 f->SetObj<transaction_active>(obj, reg);
307 break;
308 }
309 default:
310 LOG(FATAL) << "Unreachable: " << field_type;
Ian Rogers2c4257b2014-10-24 14:20:06 -0700311 UNREACHABLE();
Ian Rogers54874942014-06-10 16:31:03 -0700312 }
313 return true;
314}
315
316// Explicitly instantiate all DoFieldPut functions.
317#define EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, _do_check, _transaction_active) \
318 template bool DoFieldPut<_find_type, _field_type, _do_check, _transaction_active>(Thread* self, \
319 const ShadowFrame& shadow_frame, const Instruction* inst, uint16_t inst_data)
320
321#define EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(_find_type, _field_type) \
322 EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, false, false); \
323 EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, true, false); \
324 EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, false, true); \
325 EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, true, true);
326
327// iput-XXX
Andreas Gampec8ccf682014-09-29 20:07:43 -0700328EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimBoolean)
329EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimByte)
330EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimChar)
331EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimShort)
332EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimInt)
333EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimLong)
334EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstanceObjectWrite, Primitive::kPrimNot)
Ian Rogers54874942014-06-10 16:31:03 -0700335
336// sput-XXX
Andreas Gampec8ccf682014-09-29 20:07:43 -0700337EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimBoolean)
338EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimByte)
339EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimChar)
340EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimShort)
341EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimInt)
342EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimLong)
343EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticObjectWrite, Primitive::kPrimNot)
Ian Rogers54874942014-06-10 16:31:03 -0700344
345#undef EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL
346#undef EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL
347
348template<Primitive::Type field_type, bool transaction_active>
349bool DoIPutQuick(const ShadowFrame& shadow_frame, const Instruction* inst, uint16_t inst_data) {
350 Object* obj = shadow_frame.GetVRegReference(inst->VRegB_22c(inst_data));
351 if (UNLIKELY(obj == nullptr)) {
352 // We lost the reference to the field index so we cannot get a more
353 // precised exception message.
Nicolas Geoffray0aa50ce2015-03-10 11:03:29 +0000354 ThrowNullPointerExceptionFromDexPC();
Ian Rogers54874942014-06-10 16:31:03 -0700355 return false;
356 }
357 MemberOffset field_offset(inst->VRegC_22c());
358 const uint32_t vregA = inst->VRegA_22c(inst_data);
359 // Report this field modification to instrumentation if needed. Since we only have the offset of
360 // the field from the base of the object, we need to look for it first.
361 instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation();
362 if (UNLIKELY(instrumentation->HasFieldWriteListeners())) {
363 ArtField* f = ArtField::FindInstanceFieldWithOffset(obj->GetClass(),
364 field_offset.Uint32Value());
365 DCHECK(f != nullptr);
366 DCHECK(!f->IsStatic());
367 JValue field_value = GetFieldValue<field_type>(shadow_frame, vregA);
368 instrumentation->FieldWriteEvent(Thread::Current(), obj, shadow_frame.GetMethod(),
369 shadow_frame.GetDexPC(), f, field_value);
370 }
371 // Note: iput-x-quick instructions are only for non-volatile fields.
372 switch (field_type) {
Fred Shih37f05ef2014-07-16 18:38:08 -0700373 case Primitive::kPrimBoolean:
374 obj->SetFieldBoolean<transaction_active>(field_offset, shadow_frame.GetVReg(vregA));
375 break;
376 case Primitive::kPrimByte:
377 obj->SetFieldByte<transaction_active>(field_offset, shadow_frame.GetVReg(vregA));
378 break;
379 case Primitive::kPrimChar:
380 obj->SetFieldChar<transaction_active>(field_offset, shadow_frame.GetVReg(vregA));
381 break;
382 case Primitive::kPrimShort:
383 obj->SetFieldShort<transaction_active>(field_offset, shadow_frame.GetVReg(vregA));
384 break;
Ian Rogers54874942014-06-10 16:31:03 -0700385 case Primitive::kPrimInt:
386 obj->SetField32<transaction_active>(field_offset, shadow_frame.GetVReg(vregA));
387 break;
388 case Primitive::kPrimLong:
389 obj->SetField64<transaction_active>(field_offset, shadow_frame.GetVRegLong(vregA));
390 break;
391 case Primitive::kPrimNot:
392 obj->SetFieldObject<transaction_active>(field_offset, shadow_frame.GetVRegReference(vregA));
393 break;
394 default:
395 LOG(FATAL) << "Unreachable: " << field_type;
Ian Rogers2c4257b2014-10-24 14:20:06 -0700396 UNREACHABLE();
Ian Rogers54874942014-06-10 16:31:03 -0700397 }
398 return true;
399}
400
401// Explicitly instantiate all DoIPutQuick functions.
402#define EXPLICIT_DO_IPUT_QUICK_TEMPLATE_DECL(_field_type, _transaction_active) \
403 template bool DoIPutQuick<_field_type, _transaction_active>(const ShadowFrame& shadow_frame, \
404 const Instruction* inst, \
405 uint16_t inst_data)
406
407#define EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(_field_type) \
408 EXPLICIT_DO_IPUT_QUICK_TEMPLATE_DECL(_field_type, false); \
409 EXPLICIT_DO_IPUT_QUICK_TEMPLATE_DECL(_field_type, true);
410
Andreas Gampec8ccf682014-09-29 20:07:43 -0700411EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimInt) // iput-quick.
412EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimBoolean) // iput-boolean-quick.
413EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimByte) // iput-byte-quick.
414EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimChar) // iput-char-quick.
415EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimShort) // iput-short-quick.
416EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimLong) // iput-wide-quick.
417EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimNot) // iput-object-quick.
Ian Rogers54874942014-06-10 16:31:03 -0700418#undef EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL
419#undef EXPLICIT_DO_IPUT_QUICK_TEMPLATE_DECL
420
Sebastien Hertz520633b2015-09-08 17:03:36 +0200421// We accept a null Instrumentation* meaning we must not report anything to the instrumentation.
Mathieu Chartiere401d142015-04-22 13:56:20 -0700422uint32_t FindNextInstructionFollowingException(
423 Thread* self, ShadowFrame& shadow_frame, uint32_t dex_pc,
424 const instrumentation::Instrumentation* instrumentation) {
Ian Rogers54874942014-06-10 16:31:03 -0700425 self->VerifyStack();
Mathieu Chartiere401d142015-04-22 13:56:20 -0700426 StackHandleScope<2> hs(self);
Nicolas Geoffray14691c52015-03-05 10:40:17 +0000427 Handle<mirror::Throwable> exception(hs.NewHandle(self->GetException()));
Sebastien Hertz520633b2015-09-08 17:03:36 +0200428 if (instrumentation != nullptr && instrumentation->HasExceptionCaughtListeners()
Nicolas Geoffray7642cfc2015-02-26 10:56:09 +0000429 && self->IsExceptionThrownByCurrentMethod(exception.Get())) {
Nicolas Geoffray14691c52015-03-05 10:40:17 +0000430 instrumentation->ExceptionCaughtEvent(self, exception.Get());
Sebastien Hertz9f102032014-05-23 08:59:42 +0200431 }
Ian Rogers54874942014-06-10 16:31:03 -0700432 bool clear_exception = false;
Mathieu Chartiere401d142015-04-22 13:56:20 -0700433 uint32_t found_dex_pc = shadow_frame.GetMethod()->FindCatchBlock(
434 hs.NewHandle(exception->GetClass()), dex_pc, &clear_exception);
Sebastien Hertz520633b2015-09-08 17:03:36 +0200435 if (found_dex_pc == DexFile::kDexNoIndex && instrumentation != nullptr) {
Nicolas Geoffray7642cfc2015-02-26 10:56:09 +0000436 // Exception is not caught by the current method. We will unwind to the
437 // caller. Notify any instrumentation listener.
Sebastien Hertz9f102032014-05-23 08:59:42 +0200438 instrumentation->MethodUnwindEvent(self, shadow_frame.GetThisObject(),
Ian Rogers54874942014-06-10 16:31:03 -0700439 shadow_frame.GetMethod(), dex_pc);
440 } else {
Nicolas Geoffray7642cfc2015-02-26 10:56:09 +0000441 // Exception is caught in the current method. We will jump to the found_dex_pc.
Ian Rogers54874942014-06-10 16:31:03 -0700442 if (clear_exception) {
443 self->ClearException();
444 }
445 }
446 return found_dex_pc;
447}
448
Ian Rogerse94652f2014-12-02 11:13:19 -0800449void UnexpectedOpcode(const Instruction* inst, const ShadowFrame& shadow_frame) {
450 LOG(FATAL) << "Unexpected instruction: "
451 << inst->DumpString(shadow_frame.GetMethod()->GetDexFile());
452 UNREACHABLE();
Ian Rogers54874942014-06-10 16:31:03 -0700453}
454
Sebastien Hertz9ace87b2013-09-27 11:48:09 +0200455// Assign register 'src_reg' from shadow_frame to register 'dest_reg' into new_shadow_frame.
Ian Rogersef7d42f2014-01-06 12:55:46 -0800456static inline void AssignRegister(ShadowFrame* new_shadow_frame, const ShadowFrame& shadow_frame,
457 size_t dest_reg, size_t src_reg)
Mathieu Chartier90443472015-07-16 20:32:27 -0700458 SHARED_REQUIRES(Locks::mutator_lock_) {
Andreas Gampe7104cbf2014-03-21 11:44:43 -0700459 // Uint required, so that sign extension does not make this wrong on 64b systems
460 uint32_t src_value = shadow_frame.GetVReg(src_reg);
Mathieu Chartier4e305412014-02-19 10:54:44 -0800461 mirror::Object* o = shadow_frame.GetVRegReference<kVerifyNone>(src_reg);
Igor Murashkinc449e8b2015-06-10 15:56:42 -0700462
463 // If both register locations contains the same value, the register probably holds a reference.
464 // Note: As an optimization, non-moving collectors leave a stale reference value
465 // in the references array even after the original vreg was overwritten to a non-reference.
Andreas Gampe7104cbf2014-03-21 11:44:43 -0700466 if (src_value == reinterpret_cast<uintptr_t>(o)) {
Ian Rogersef7d42f2014-01-06 12:55:46 -0800467 new_shadow_frame->SetVRegReference(dest_reg, o);
Sebastien Hertz9ace87b2013-09-27 11:48:09 +0200468 } else {
Ian Rogersef7d42f2014-01-06 12:55:46 -0800469 new_shadow_frame->SetVReg(dest_reg, src_value);
Sebastien Hertz9ace87b2013-09-27 11:48:09 +0200470 }
471}
472
Sebastien Hertz45b15972015-04-03 16:07:05 +0200473void AbortTransactionF(Thread* self, const char* fmt, ...) {
Mathieu Chartierb2c7ead2014-04-29 11:13:16 -0700474 va_list args;
475 va_start(args, fmt);
Sebastien Hertz45b15972015-04-03 16:07:05 +0200476 AbortTransactionV(self, fmt, args);
477 va_end(args);
478}
479
480void AbortTransactionV(Thread* self, const char* fmt, va_list args) {
481 CHECK(Runtime::Current()->IsActiveTransaction());
482 // Constructs abort message.
Sebastien Hertz1c80bec2015-02-03 11:58:06 +0100483 std::string abort_msg;
484 StringAppendV(&abort_msg, fmt, args);
485 // Throws an exception so we can abort the transaction and rollback every change.
Sebastien Hertz2fd7e692015-04-02 11:11:19 +0200486 Runtime::Current()->AbortTransactionAndThrowAbortError(self, abort_msg);
Mathieu Chartierb2c7ead2014-04-29 11:13:16 -0700487}
488
Igor Murashkin158f35c2015-06-10 15:55:30 -0700489// Separate declaration is required solely for the attributes.
Igor Murashkin6918bf12015-09-27 19:19:06 -0700490template <bool is_range,
491 bool do_assignability_check,
492 size_t kVarArgMax>
493 SHARED_REQUIRES(Locks::mutator_lock_)
Igor Murashkin158f35c2015-06-10 15:55:30 -0700494static inline bool DoCallCommon(ArtMethod* called_method,
495 Thread* self,
496 ShadowFrame& shadow_frame,
497 JValue* result,
498 uint16_t number_of_inputs,
Igor Murashkin6918bf12015-09-27 19:19:06 -0700499 uint32_t (&arg)[kVarArgMax],
Igor Murashkin158f35c2015-06-10 15:55:30 -0700500 uint32_t vregC) ALWAYS_INLINE;
501
Mathieu Chartier90443472015-07-16 20:32:27 -0700502SHARED_REQUIRES(Locks::mutator_lock_)
Nicolas Geoffray7bf2b4f2015-07-08 10:11:59 +0000503static inline bool NeedsInterpreter(Thread* self, ShadowFrame* new_shadow_frame) ALWAYS_INLINE;
504
505static inline bool NeedsInterpreter(Thread* self, ShadowFrame* new_shadow_frame) {
506 ArtMethod* target = new_shadow_frame->GetMethod();
507 if (UNLIKELY(target->IsNative() || target->IsProxyMethod())) {
508 return false;
509 }
510 Runtime* runtime = Runtime::Current();
511 ClassLinker* class_linker = runtime->GetClassLinker();
512 return runtime->GetInstrumentation()->IsForcedInterpretOnly() ||
513 // Doing this check avoids doing compiled/interpreter transitions.
514 class_linker->IsQuickToInterpreterBridge(target->GetEntryPointFromQuickCompiledCode()) ||
515 // Force the use of interpreter when it is required by the debugger.
516 Dbg::IsForcedInterpreterNeededForCalling(self, target);
517}
518
Andreas Gampe3cfa4d02015-10-06 17:04:01 -0700519static void ArtInterpreterToCompiledCodeBridge(Thread* self,
520 const DexFile::CodeItem* code_item,
521 ShadowFrame* shadow_frame,
522 JValue* result)
523 SHARED_REQUIRES(Locks::mutator_lock_) {
524 ArtMethod* method = shadow_frame->GetMethod();
525 // Ensure static methods are initialized.
526 if (method->IsStatic()) {
527 mirror::Class* declaringClass = method->GetDeclaringClass();
528 if (UNLIKELY(!declaringClass->IsInitialized())) {
529 self->PushShadowFrame(shadow_frame);
530 StackHandleScope<1> hs(self);
531 Handle<mirror::Class> h_class(hs.NewHandle(declaringClass));
532 if (UNLIKELY(!Runtime::Current()->GetClassLinker()->EnsureInitialized(self, h_class, true,
533 true))) {
534 self->PopShadowFrame();
535 DCHECK(self->IsExceptionPending());
536 return;
537 }
538 self->PopShadowFrame();
539 CHECK(h_class->IsInitializing());
540 // Reload from shadow frame in case the method moved, this is faster than adding a handle.
541 method = shadow_frame->GetMethod();
542 }
543 }
544 uint16_t arg_offset = (code_item == nullptr)
545 ? 0
546 : code_item->registers_size_ - code_item->ins_size_;
547 method->Invoke(self, shadow_frame->GetVRegArgs(arg_offset),
548 (shadow_frame->NumberOfVRegs() - arg_offset) * sizeof(uint32_t),
549 result, method->GetInterfaceMethodIfProxy(sizeof(void*))->GetShorty());
550}
551
Igor Murashkin6918bf12015-09-27 19:19:06 -0700552template <bool is_range,
553 bool do_assignability_check,
554 size_t kVarArgMax>
Igor Murashkin158f35c2015-06-10 15:55:30 -0700555static inline bool DoCallCommon(ArtMethod* called_method,
556 Thread* self,
557 ShadowFrame& shadow_frame,
558 JValue* result,
559 uint16_t number_of_inputs,
Igor Murashkin6918bf12015-09-27 19:19:06 -0700560 uint32_t (&arg)[kVarArgMax],
Igor Murashkin158f35c2015-06-10 15:55:30 -0700561 uint32_t vregC) {
Jeff Hao848f70a2014-01-15 13:49:50 -0800562 bool string_init = false;
563 // Replace calls to String.<init> with equivalent StringFactory call.
Igor Murashkin158f35c2015-06-10 15:55:30 -0700564 if (UNLIKELY(called_method->GetDeclaringClass()->IsStringClass()
565 && called_method->IsConstructor())) {
Jeff Hao848f70a2014-01-15 13:49:50 -0800566 ScopedObjectAccessUnchecked soa(self);
567 jmethodID mid = soa.EncodeMethod(called_method);
568 called_method = soa.DecodeMethod(WellKnownClasses::StringInitToStringFactoryMethodID(mid));
569 string_init = true;
570 }
571
Sebastien Hertzc61124b2013-09-10 11:44:19 +0200572 // Compute method information.
Ian Rogerse94652f2014-12-02 11:13:19 -0800573 const DexFile::CodeItem* code_item = called_method->GetCodeItem();
Igor Murashkin158f35c2015-06-10 15:55:30 -0700574
575 // Number of registers for the callee's call frame.
Sebastien Hertz8ece0502013-08-07 11:26:41 +0200576 uint16_t num_regs;
Mathieu Chartier2cebb242015-04-21 16:50:40 -0700577 if (LIKELY(code_item != nullptr)) {
Sebastien Hertz8ece0502013-08-07 11:26:41 +0200578 num_regs = code_item->registers_size_;
Igor Murashkin158f35c2015-06-10 15:55:30 -0700579 DCHECK_EQ(string_init ? number_of_inputs - 1 : number_of_inputs, code_item->ins_size_);
Sebastien Hertz8ece0502013-08-07 11:26:41 +0200580 } else {
Ian Rogerse94652f2014-12-02 11:13:19 -0800581 DCHECK(called_method->IsNative() || called_method->IsProxyMethod());
Igor Murashkin158f35c2015-06-10 15:55:30 -0700582 num_regs = number_of_inputs;
Sebastien Hertz8ece0502013-08-07 11:26:41 +0200583 }
584
Igor Murashkin158f35c2015-06-10 15:55:30 -0700585 // Hack for String init:
586 //
587 // Rewrite invoke-x java.lang.String.<init>(this, a, b, c, ...) into:
588 // invoke-x StringFactory(a, b, c, ...)
589 // by effectively dropping the first virtual register from the invoke.
590 //
591 // (at this point the ArtMethod has already been replaced,
592 // so we just need to fix-up the arguments)
593 uint32_t string_init_vreg_this = is_range ? vregC : arg[0];
Igor Murashkina06b49b2015-06-25 15:18:12 -0700594 if (UNLIKELY(string_init)) {
Igor Murashkin158f35c2015-06-10 15:55:30 -0700595 DCHECK_GT(num_regs, 0u); // As the method is an instance method, there should be at least 1.
Igor Murashkina06b49b2015-06-25 15:18:12 -0700596
Igor Murashkin158f35c2015-06-10 15:55:30 -0700597 // The new StringFactory call is static and has one fewer argument.
Igor Murashkina06b49b2015-06-25 15:18:12 -0700598 if (code_item == nullptr) {
599 DCHECK(called_method->IsNative() || called_method->IsProxyMethod());
600 num_regs--;
601 } // else ... don't need to change num_regs since it comes up from the string_init's code item
Igor Murashkin158f35c2015-06-10 15:55:30 -0700602 number_of_inputs--;
603
604 // Rewrite the var-args, dropping the 0th argument ("this")
Igor Murashkin6918bf12015-09-27 19:19:06 -0700605 for (uint32_t i = 1; i < arraysize(arg); ++i) {
Igor Murashkin158f35c2015-06-10 15:55:30 -0700606 arg[i - 1] = arg[i];
607 }
Igor Murashkin6918bf12015-09-27 19:19:06 -0700608 arg[arraysize(arg) - 1] = 0;
Igor Murashkin158f35c2015-06-10 15:55:30 -0700609
610 // Rewrite the non-var-arg case
611 vregC++; // Skips the 0th vreg in the range ("this").
612 }
613
614 // Parameter registers go at the end of the shadow frame.
615 DCHECK_GE(num_regs, number_of_inputs);
616 size_t first_dest_reg = num_regs - number_of_inputs;
617 DCHECK_NE(first_dest_reg, (size_t)-1);
618
Sebastien Hertzc61124b2013-09-10 11:44:19 +0200619 // Allocate shadow frame on the stack.
Igor Murashkin158f35c2015-06-10 15:55:30 -0700620 const char* old_cause = self->StartAssertNoThreadSuspension("DoCallCommon");
Andreas Gampeb3025922015-09-01 14:45:00 -0700621 ShadowFrameAllocaUniquePtr shadow_frame_unique_ptr =
622 CREATE_SHADOW_FRAME(num_regs, &shadow_frame, called_method, 0);
623 ShadowFrame* new_shadow_frame = shadow_frame_unique_ptr.get();
Sebastien Hertzc61124b2013-09-10 11:44:19 +0200624
Igor Murashkin158f35c2015-06-10 15:55:30 -0700625 // Initialize new shadow frame by copying the registers from the callee shadow frame.
Jeff Haoa3faaf42013-09-03 19:07:00 -0700626 if (do_assignability_check) {
Andreas Gampe2a0d4ec2014-06-02 22:05:22 -0700627 // Slow path.
628 // We might need to do class loading, which incurs a thread state change to kNative. So
629 // register the shadow frame as under construction and allow suspension again.
Mingyao Yang1f2d3ba2015-05-18 12:12:50 -0700630 ScopedStackedShadowFramePusher pusher(
Sebastien Hertzf7958692015-06-09 14:09:14 +0200631 self, new_shadow_frame, StackedShadowFrameType::kShadowFrameUnderConstruction);
Andreas Gampe2a0d4ec2014-06-02 22:05:22 -0700632 self->EndAssertNoThreadSuspension(old_cause);
633
634 // We need to do runtime check on reference assignment. We need to load the shorty
Sebastien Hertz9ace87b2013-09-27 11:48:09 +0200635 // to get the exact type of each reference argument.
Ian Rogerse94652f2014-12-02 11:13:19 -0800636 const DexFile::TypeList* params = new_shadow_frame->GetMethod()->GetParameterTypeList();
Mathieu Chartierbfd9a432014-05-21 17:43:44 -0700637 uint32_t shorty_len = 0;
Ian Rogerse94652f2014-12-02 11:13:19 -0800638 const char* shorty = new_shadow_frame->GetMethod()->GetShorty(&shorty_len);
Sebastien Hertz9ace87b2013-09-27 11:48:09 +0200639
Sebastien Hertz9119c5f2013-12-16 11:31:45 +0100640 // Handle receiver apart since it's not part of the shorty.
641 size_t dest_reg = first_dest_reg;
642 size_t arg_offset = 0;
Igor Murashkin158f35c2015-06-10 15:55:30 -0700643
Ian Rogerse94652f2014-12-02 11:13:19 -0800644 if (!new_shadow_frame->GetMethod()->IsStatic()) {
Mathieu Chartierbfd9a432014-05-21 17:43:44 -0700645 size_t receiver_reg = is_range ? vregC : arg[0];
Sebastien Hertz9119c5f2013-12-16 11:31:45 +0100646 new_shadow_frame->SetVRegReference(dest_reg, shadow_frame.GetVRegReference(receiver_reg));
647 ++dest_reg;
648 ++arg_offset;
Igor Murashkina06b49b2015-06-25 15:18:12 -0700649 DCHECK(!string_init); // All StringFactory methods are static.
Sebastien Hertz9119c5f2013-12-16 11:31:45 +0100650 }
Igor Murashkin158f35c2015-06-10 15:55:30 -0700651
652 // Copy the caller's invoke-* arguments into the callee's parameter registers.
Ian Rogersef7d42f2014-01-06 12:55:46 -0800653 for (uint32_t shorty_pos = 0; dest_reg < num_regs; ++shorty_pos, ++dest_reg, ++arg_offset) {
Igor Murashkina06b49b2015-06-25 15:18:12 -0700654 // Skip the 0th 'shorty' type since it represents the return type.
655 DCHECK_LT(shorty_pos + 1, shorty_len) << "for shorty '" << shorty << "'";
Sebastien Hertz9ace87b2013-09-27 11:48:09 +0200656 const size_t src_reg = (is_range) ? vregC + arg_offset : arg[arg_offset];
657 switch (shorty[shorty_pos + 1]) {
Igor Murashkin158f35c2015-06-10 15:55:30 -0700658 // Handle Object references. 1 virtual register slot.
Sebastien Hertz9ace87b2013-09-27 11:48:09 +0200659 case 'L': {
660 Object* o = shadow_frame.GetVRegReference(src_reg);
Mathieu Chartier2cebb242015-04-21 16:50:40 -0700661 if (do_assignability_check && o != nullptr) {
Vladimir Marko05792b92015-08-03 11:56:49 +0100662 size_t pointer_size = Runtime::Current()->GetClassLinker()->GetImagePointerSize();
Ian Rogersa0485602014-12-02 15:48:04 -0800663 Class* arg_type =
664 new_shadow_frame->GetMethod()->GetClassFromTypeIndex(
Vladimir Marko05792b92015-08-03 11:56:49 +0100665 params->GetTypeItem(shorty_pos).type_idx_, true /* resolve */, pointer_size);
Mathieu Chartier2cebb242015-04-21 16:50:40 -0700666 if (arg_type == nullptr) {
Sebastien Hertz9ace87b2013-09-27 11:48:09 +0200667 CHECK(self->IsExceptionPending());
668 return false;
669 }
670 if (!o->VerifierInstanceOf(arg_type)) {
671 // This should never happen.
Ian Rogers1ff3c982014-08-12 02:30:58 -0700672 std::string temp1, temp2;
Nicolas Geoffray0aa50ce2015-03-10 11:03:29 +0000673 self->ThrowNewExceptionF("Ljava/lang/VirtualMachineError;",
Sebastien Hertz9ace87b2013-09-27 11:48:09 +0200674 "Invoking %s with bad arg %d, type '%s' not instance of '%s'",
Ian Rogerse94652f2014-12-02 11:13:19 -0800675 new_shadow_frame->GetMethod()->GetName(), shorty_pos,
Ian Rogers1ff3c982014-08-12 02:30:58 -0700676 o->GetClass()->GetDescriptor(&temp1),
677 arg_type->GetDescriptor(&temp2));
Sebastien Hertz9ace87b2013-09-27 11:48:09 +0200678 return false;
679 }
Jeff Haoa3faaf42013-09-03 19:07:00 -0700680 }
Sebastien Hertz9ace87b2013-09-27 11:48:09 +0200681 new_shadow_frame->SetVRegReference(dest_reg, o);
682 break;
Jeff Haoa3faaf42013-09-03 19:07:00 -0700683 }
Igor Murashkin158f35c2015-06-10 15:55:30 -0700684 // Handle doubles and longs. 2 consecutive virtual register slots.
Sebastien Hertz9ace87b2013-09-27 11:48:09 +0200685 case 'J': case 'D': {
Igor Murashkin158f35c2015-06-10 15:55:30 -0700686 uint64_t wide_value =
687 (static_cast<uint64_t>(shadow_frame.GetVReg(src_reg + 1)) << BitSizeOf<uint32_t>()) |
688 static_cast<uint32_t>(shadow_frame.GetVReg(src_reg));
Sebastien Hertz9ace87b2013-09-27 11:48:09 +0200689 new_shadow_frame->SetVRegLong(dest_reg, wide_value);
Igor Murashkin158f35c2015-06-10 15:55:30 -0700690 // Skip the next virtual register slot since we already used it.
Sebastien Hertz9ace87b2013-09-27 11:48:09 +0200691 ++dest_reg;
692 ++arg_offset;
693 break;
694 }
Igor Murashkin158f35c2015-06-10 15:55:30 -0700695 // Handle all other primitives that are always 1 virtual register slot.
Sebastien Hertz9ace87b2013-09-27 11:48:09 +0200696 default:
697 new_shadow_frame->SetVReg(dest_reg, shadow_frame.GetVReg(src_reg));
698 break;
Sebastien Hertz8ece0502013-08-07 11:26:41 +0200699 }
Sebastien Hertz9ace87b2013-09-27 11:48:09 +0200700 }
701 } else {
Igor Murashkin158f35c2015-06-10 15:55:30 -0700702 size_t arg_index = 0;
703
Sebastien Hertz9ace87b2013-09-27 11:48:09 +0200704 // Fast path: no extra checks.
705 if (is_range) {
Igor Murashkin158f35c2015-06-10 15:55:30 -0700706 // TODO: Implement the range version of invoke-lambda
707 uint16_t first_src_reg = vregC;
708
Sebastien Hertz9ace87b2013-09-27 11:48:09 +0200709 for (size_t src_reg = first_src_reg, dest_reg = first_dest_reg; dest_reg < num_regs;
710 ++dest_reg, ++src_reg) {
Ian Rogersef7d42f2014-01-06 12:55:46 -0800711 AssignRegister(new_shadow_frame, shadow_frame, dest_reg, src_reg);
Sebastien Hertz8ece0502013-08-07 11:26:41 +0200712 }
Sebastien Hertz9ace87b2013-09-27 11:48:09 +0200713 } else {
Igor Murashkin6918bf12015-09-27 19:19:06 -0700714 DCHECK_LE(number_of_inputs, arraysize(arg));
Igor Murashkin158f35c2015-06-10 15:55:30 -0700715
716 for (; arg_index < number_of_inputs; ++arg_index) {
717 AssignRegister(new_shadow_frame, shadow_frame, first_dest_reg + arg_index, arg[arg_index]);
Sebastien Hertz9ace87b2013-09-27 11:48:09 +0200718 }
Sebastien Hertz8ece0502013-08-07 11:26:41 +0200719 }
Andreas Gampe2a0d4ec2014-06-02 22:05:22 -0700720 self->EndAssertNoThreadSuspension(old_cause);
Sebastien Hertz8ece0502013-08-07 11:26:41 +0200721 }
722
Sebastien Hertzc61124b2013-09-10 11:44:19 +0200723 // Do the call now.
Sebastien Hertz8ece0502013-08-07 11:26:41 +0200724 if (LIKELY(Runtime::Current()->IsStarted())) {
Nicolas Geoffray7bf2b4f2015-07-08 10:11:59 +0000725 if (NeedsInterpreter(self, new_shadow_frame)) {
Andreas Gampe3cfa4d02015-10-06 17:04:01 -0700726 ArtInterpreterToInterpreterBridge(self, code_item, new_shadow_frame, result);
Nicolas Geoffray7070ccd2015-07-08 09:41:54 +0000727 } else {
Andreas Gampe3cfa4d02015-10-06 17:04:01 -0700728 ArtInterpreterToCompiledCodeBridge(self, code_item, new_shadow_frame, result);
Nicolas Geoffray7070ccd2015-07-08 09:41:54 +0000729 }
Sebastien Hertz8ece0502013-08-07 11:26:41 +0200730 } else {
Andreas Gampe799681b2015-05-15 19:24:12 -0700731 UnstartedRuntime::Invoke(self, code_item, new_shadow_frame, result, first_dest_reg);
Sebastien Hertz8ece0502013-08-07 11:26:41 +0200732 }
Jeff Hao848f70a2014-01-15 13:49:50 -0800733
734 if (string_init && !self->IsExceptionPending()) {
735 // Set the new string result of the StringFactory.
Igor Murashkin158f35c2015-06-10 15:55:30 -0700736 shadow_frame.SetVRegReference(string_init_vreg_this, result->GetL());
Jeff Hao848f70a2014-01-15 13:49:50 -0800737 // Overwrite all potential copies of the original result of the new-instance of string with the
738 // new result of the StringFactory. Use the verifier to find this set of registers.
Mathieu Chartiere401d142015-04-22 13:56:20 -0700739 ArtMethod* method = shadow_frame.GetMethod();
Jeff Hao848f70a2014-01-15 13:49:50 -0800740 MethodReference method_ref = method->ToMethodReference();
Jeff Hao4686c522015-09-18 14:44:32 -0700741 SafeMap<uint32_t, std::set<uint32_t>>* string_init_map_ptr = nullptr;
Jeff Hao848f70a2014-01-15 13:49:50 -0800742 MethodRefToStringInitRegMap& method_to_string_init_map = Runtime::Current()->GetStringInitMap();
Jeff Haoa2c38642015-09-17 17:29:01 -0700743 {
744 MutexLock mu(self, *Locks::interpreter_string_init_map_lock_);
Jeff Hao4686c522015-09-18 14:44:32 -0700745 auto it = method_to_string_init_map.find(method_ref);
746 if (it != method_to_string_init_map.end()) {
747 string_init_map_ptr = &it->second;
Jeff Haoa2c38642015-09-17 17:29:01 -0700748 }
Jeff Hao4686c522015-09-18 14:44:32 -0700749 }
750 if (string_init_map_ptr == nullptr) {
751 SafeMap<uint32_t, std::set<uint32_t>> string_init_map =
752 verifier::MethodVerifier::FindStringInitMap(method);
753 MutexLock mu(self, *Locks::interpreter_string_init_map_lock_);
Vladimir Marko78568352015-09-21 12:00:16 +0100754 auto it = method_to_string_init_map.lower_bound(method_ref);
755 if (it == method_to_string_init_map.end() ||
756 method_to_string_init_map.key_comp()(method_ref, it->first)) {
757 it = method_to_string_init_map.PutBefore(it, method_ref, std::move(string_init_map));
758 }
Jeff Hao848f70a2014-01-15 13:49:50 -0800759 string_init_map_ptr = &it->second;
760 }
761 if (string_init_map_ptr->size() != 0) {
762 uint32_t dex_pc = shadow_frame.GetDexPC();
763 auto map_it = string_init_map_ptr->find(dex_pc);
764 if (map_it != string_init_map_ptr->end()) {
765 const std::set<uint32_t>& reg_set = map_it->second;
766 for (auto set_it = reg_set.begin(); set_it != reg_set.end(); ++set_it) {
767 shadow_frame.SetVRegReference(*set_it, result->GetL());
768 }
769 }
770 }
771 }
772
Sebastien Hertz8ece0502013-08-07 11:26:41 +0200773 return !self->IsExceptionPending();
774}
775
Igor Murashkin158f35c2015-06-10 15:55:30 -0700776template<bool is_range, bool do_assignability_check>
777bool DoLambdaCall(ArtMethod* called_method, Thread* self, ShadowFrame& shadow_frame,
778 const Instruction* inst, uint16_t inst_data, JValue* result) {
779 const uint4_t num_additional_registers = inst->VRegB_25x();
780 // Argument word count.
Igor Murashkin6918bf12015-09-27 19:19:06 -0700781 const uint16_t number_of_inputs = num_additional_registers + kLambdaVirtualRegisterWidth;
782 // The lambda closure register is always present and is not encoded in the count.
783 // Furthermore, the lambda closure register is always wide, so it counts as 2 inputs.
Igor Murashkin158f35c2015-06-10 15:55:30 -0700784
785 // TODO: find a cleaner way to separate non-range and range information without duplicating
786 // code.
Igor Murashkin6918bf12015-09-27 19:19:06 -0700787 uint32_t arg[Instruction::kMaxVarArgRegs25x]; // only used in invoke-XXX.
Igor Murashkin158f35c2015-06-10 15:55:30 -0700788 uint32_t vregC = 0; // only used in invoke-XXX-range.
789 if (is_range) {
790 vregC = inst->VRegC_3rc();
791 } else {
792 // TODO(iam): See if it's possible to remove inst_data dependency from 35x to avoid this path
793 UNUSED(inst_data);
794 inst->GetAllArgs25x(arg);
795 }
796
797 // TODO: if there's an assignability check, throw instead?
798 DCHECK(called_method->IsStatic());
799
800 return DoCallCommon<is_range, do_assignability_check>(
801 called_method, self, shadow_frame,
802 result, number_of_inputs, arg, vregC);
803}
804
805template<bool is_range, bool do_assignability_check>
806bool DoCall(ArtMethod* called_method, Thread* self, ShadowFrame& shadow_frame,
807 const Instruction* inst, uint16_t inst_data, JValue* result) {
808 // Argument word count.
809 const uint16_t number_of_inputs = (is_range) ? inst->VRegA_3rc(inst_data) : inst->VRegA_35c(inst_data);
810
811 // TODO: find a cleaner way to separate non-range and range information without duplicating
812 // code.
Igor Murashkin6918bf12015-09-27 19:19:06 -0700813 uint32_t arg[Instruction::kMaxVarArgRegs] = {}; // only used in invoke-XXX.
Igor Murashkin158f35c2015-06-10 15:55:30 -0700814 uint32_t vregC = 0;
815 if (is_range) {
816 vregC = inst->VRegC_3rc();
817 } else {
818 vregC = inst->VRegC_35c();
819 inst->GetVarArgs(arg, inst_data);
820 }
821
822 return DoCallCommon<is_range, do_assignability_check>(
823 called_method, self, shadow_frame,
824 result, number_of_inputs, arg, vregC);
825}
826
Sebastien Hertzd2fe10a2014-01-15 10:20:56 +0100827template <bool is_range, bool do_access_check, bool transaction_active>
Sebastien Hertz8ece0502013-08-07 11:26:41 +0200828bool DoFilledNewArray(const Instruction* inst, const ShadowFrame& shadow_frame,
829 Thread* self, JValue* result) {
830 DCHECK(inst->Opcode() == Instruction::FILLED_NEW_ARRAY ||
831 inst->Opcode() == Instruction::FILLED_NEW_ARRAY_RANGE);
832 const int32_t length = is_range ? inst->VRegA_3rc() : inst->VRegA_35c();
833 if (!is_range) {
834 // Checks FILLED_NEW_ARRAY's length does not exceed 5 arguments.
835 CHECK_LE(length, 5);
836 }
837 if (UNLIKELY(length < 0)) {
838 ThrowNegativeArraySizeException(length);
839 return false;
840 }
841 uint16_t type_idx = is_range ? inst->VRegB_3rc() : inst->VRegB_35c();
Mathieu Chartier52ea33b2015-06-18 16:48:52 -0700842 Class* array_class = ResolveVerifyAndClinit(type_idx, shadow_frame.GetMethod(),
843 self, false, do_access_check);
844 if (UNLIKELY(array_class == nullptr)) {
Sebastien Hertz8ece0502013-08-07 11:26:41 +0200845 DCHECK(self->IsExceptionPending());
846 return false;
847 }
Mathieu Chartier52ea33b2015-06-18 16:48:52 -0700848 CHECK(array_class->IsArrayClass());
849 Class* component_class = array_class->GetComponentType();
850 const bool is_primitive_int_component = component_class->IsPrimitiveInt();
851 if (UNLIKELY(component_class->IsPrimitive() && !is_primitive_int_component)) {
852 if (component_class->IsPrimitiveLong() || component_class->IsPrimitiveDouble()) {
Sebastien Hertz8ece0502013-08-07 11:26:41 +0200853 ThrowRuntimeException("Bad filled array request for type %s",
Mathieu Chartier52ea33b2015-06-18 16:48:52 -0700854 PrettyDescriptor(component_class).c_str());
Sebastien Hertz8ece0502013-08-07 11:26:41 +0200855 } else {
Nicolas Geoffray0aa50ce2015-03-10 11:03:29 +0000856 self->ThrowNewExceptionF("Ljava/lang/InternalError;",
Brian Carlstrom4fa0bcd2013-12-10 11:24:21 -0800857 "Found type %s; filled-new-array not implemented for anything but 'int'",
Mathieu Chartier52ea33b2015-06-18 16:48:52 -0700858 PrettyDescriptor(component_class).c_str());
Sebastien Hertz8ece0502013-08-07 11:26:41 +0200859 }
860 return false;
861 }
Mathieu Chartier52ea33b2015-06-18 16:48:52 -0700862 Object* new_array = Array::Alloc<true>(self, array_class, length,
863 array_class->GetComponentSizeShift(),
864 Runtime::Current()->GetHeap()->GetCurrentAllocator());
865 if (UNLIKELY(new_array == nullptr)) {
866 self->AssertPendingOOMException();
Sebastien Hertz8ece0502013-08-07 11:26:41 +0200867 return false;
868 }
Igor Murashkin158f35c2015-06-10 15:55:30 -0700869 uint32_t arg[Instruction::kMaxVarArgRegs]; // only used in filled-new-array.
870 uint32_t vregC = 0; // only used in filled-new-array-range.
Sebastien Hertz8ece0502013-08-07 11:26:41 +0200871 if (is_range) {
Sebastien Hertzabff6432014-01-27 18:01:39 +0100872 vregC = inst->VRegC_3rc();
Sebastien Hertz8ece0502013-08-07 11:26:41 +0200873 } else {
Ian Rogers29a26482014-05-02 15:27:29 -0700874 inst->GetVarArgs(arg);
Sebastien Hertzabff6432014-01-27 18:01:39 +0100875 }
Sebastien Hertzabff6432014-01-27 18:01:39 +0100876 for (int32_t i = 0; i < length; ++i) {
877 size_t src_reg = is_range ? vregC + i : arg[i];
878 if (is_primitive_int_component) {
Mathieu Chartier52ea33b2015-06-18 16:48:52 -0700879 new_array->AsIntArray()->SetWithoutChecks<transaction_active>(
880 i, shadow_frame.GetVReg(src_reg));
Sebastien Hertzabff6432014-01-27 18:01:39 +0100881 } else {
Mathieu Chartier52ea33b2015-06-18 16:48:52 -0700882 new_array->AsObjectArray<Object>()->SetWithoutChecks<transaction_active>(
883 i, shadow_frame.GetVRegReference(src_reg));
Sebastien Hertz8ece0502013-08-07 11:26:41 +0200884 }
885 }
886
Mathieu Chartier52ea33b2015-06-18 16:48:52 -0700887 result->SetL(new_array);
Sebastien Hertz8ece0502013-08-07 11:26:41 +0200888 return true;
889}
890
Mathieu Chartier90443472015-07-16 20:32:27 -0700891// TODO fix thread analysis: should be SHARED_REQUIRES(Locks::mutator_lock_).
Sebastien Hertzd2fe10a2014-01-15 10:20:56 +0100892template<typename T>
893static void RecordArrayElementsInTransactionImpl(mirror::PrimitiveArray<T>* array, int32_t count)
894 NO_THREAD_SAFETY_ANALYSIS {
895 Runtime* runtime = Runtime::Current();
896 for (int32_t i = 0; i < count; ++i) {
897 runtime->RecordWriteArray(array, i, array->GetWithoutChecks(i));
898 }
899}
900
901void RecordArrayElementsInTransaction(mirror::Array* array, int32_t count)
Mathieu Chartier90443472015-07-16 20:32:27 -0700902 SHARED_REQUIRES(Locks::mutator_lock_) {
Sebastien Hertzd2fe10a2014-01-15 10:20:56 +0100903 DCHECK(Runtime::Current()->IsActiveTransaction());
904 DCHECK(array != nullptr);
905 DCHECK_LE(count, array->GetLength());
906 Primitive::Type primitive_component_type = array->GetClass()->GetComponentType()->GetPrimitiveType();
907 switch (primitive_component_type) {
908 case Primitive::kPrimBoolean:
909 RecordArrayElementsInTransactionImpl(array->AsBooleanArray(), count);
910 break;
911 case Primitive::kPrimByte:
912 RecordArrayElementsInTransactionImpl(array->AsByteArray(), count);
913 break;
914 case Primitive::kPrimChar:
915 RecordArrayElementsInTransactionImpl(array->AsCharArray(), count);
916 break;
917 case Primitive::kPrimShort:
918 RecordArrayElementsInTransactionImpl(array->AsShortArray(), count);
919 break;
920 case Primitive::kPrimInt:
Sebastien Hertzd2fe10a2014-01-15 10:20:56 +0100921 RecordArrayElementsInTransactionImpl(array->AsIntArray(), count);
922 break;
Mathieu Chartiere401d142015-04-22 13:56:20 -0700923 case Primitive::kPrimFloat:
924 RecordArrayElementsInTransactionImpl(array->AsFloatArray(), count);
925 break;
Sebastien Hertzd2fe10a2014-01-15 10:20:56 +0100926 case Primitive::kPrimLong:
Sebastien Hertzd2fe10a2014-01-15 10:20:56 +0100927 RecordArrayElementsInTransactionImpl(array->AsLongArray(), count);
928 break;
Mathieu Chartiere401d142015-04-22 13:56:20 -0700929 case Primitive::kPrimDouble:
930 RecordArrayElementsInTransactionImpl(array->AsDoubleArray(), count);
931 break;
Sebastien Hertzd2fe10a2014-01-15 10:20:56 +0100932 default:
933 LOG(FATAL) << "Unsupported primitive type " << primitive_component_type
934 << " in fill-array-data";
935 break;
936 }
937}
938
Sebastien Hertzc61124b2013-09-10 11:44:19 +0200939// Explicit DoCall template function declarations.
Sebastien Hertzc6714852013-09-30 16:42:32 +0200940#define EXPLICIT_DO_CALL_TEMPLATE_DECL(_is_range, _do_assignability_check) \
Mathieu Chartier90ef3db2015-08-04 15:19:41 -0700941 template SHARED_REQUIRES(Locks::mutator_lock_) \
Sebastien Hertz9119c5f2013-12-16 11:31:45 +0100942 bool DoCall<_is_range, _do_assignability_check>(ArtMethod* method, Thread* self, \
943 ShadowFrame& shadow_frame, \
Sebastien Hertzc6714852013-09-30 16:42:32 +0200944 const Instruction* inst, uint16_t inst_data, \
945 JValue* result)
Sebastien Hertzc61124b2013-09-10 11:44:19 +0200946EXPLICIT_DO_CALL_TEMPLATE_DECL(false, false);
947EXPLICIT_DO_CALL_TEMPLATE_DECL(false, true);
948EXPLICIT_DO_CALL_TEMPLATE_DECL(true, false);
949EXPLICIT_DO_CALL_TEMPLATE_DECL(true, true);
950#undef EXPLICIT_DO_CALL_TEMPLATE_DECL
Sebastien Hertz8ece0502013-08-07 11:26:41 +0200951
Igor Murashkin158f35c2015-06-10 15:55:30 -0700952// Explicit DoLambdaCall template function declarations.
953#define EXPLICIT_DO_LAMBDA_CALL_TEMPLATE_DECL(_is_range, _do_assignability_check) \
Mathieu Chartier90ef3db2015-08-04 15:19:41 -0700954 template SHARED_REQUIRES(Locks::mutator_lock_) \
Igor Murashkin158f35c2015-06-10 15:55:30 -0700955 bool DoLambdaCall<_is_range, _do_assignability_check>(ArtMethod* method, Thread* self, \
956 ShadowFrame& shadow_frame, \
957 const Instruction* inst, \
958 uint16_t inst_data, \
959 JValue* result)
960EXPLICIT_DO_LAMBDA_CALL_TEMPLATE_DECL(false, false);
961EXPLICIT_DO_LAMBDA_CALL_TEMPLATE_DECL(false, true);
962EXPLICIT_DO_LAMBDA_CALL_TEMPLATE_DECL(true, false);
963EXPLICIT_DO_LAMBDA_CALL_TEMPLATE_DECL(true, true);
964#undef EXPLICIT_DO_LAMBDA_CALL_TEMPLATE_DECL
965
Sebastien Hertz8ece0502013-08-07 11:26:41 +0200966// Explicit DoFilledNewArray template function declarations.
Sebastien Hertzd2fe10a2014-01-15 10:20:56 +0100967#define EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(_is_range_, _check, _transaction_active) \
Mathieu Chartier90ef3db2015-08-04 15:19:41 -0700968 template SHARED_REQUIRES(Locks::mutator_lock_) \
Sebastien Hertzd2fe10a2014-01-15 10:20:56 +0100969 bool DoFilledNewArray<_is_range_, _check, _transaction_active>(const Instruction* inst, \
970 const ShadowFrame& shadow_frame, \
971 Thread* self, JValue* result)
972#define EXPLICIT_DO_FILLED_NEW_ARRAY_ALL_TEMPLATE_DECL(_transaction_active) \
973 EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(false, false, _transaction_active); \
974 EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(false, true, _transaction_active); \
975 EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(true, false, _transaction_active); \
976 EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(true, true, _transaction_active)
977EXPLICIT_DO_FILLED_NEW_ARRAY_ALL_TEMPLATE_DECL(false);
978EXPLICIT_DO_FILLED_NEW_ARRAY_ALL_TEMPLATE_DECL(true);
979#undef EXPLICIT_DO_FILLED_NEW_ARRAY_ALL_TEMPLATE_DECL
Sebastien Hertz8ece0502013-08-07 11:26:41 +0200980#undef EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL
981
982} // namespace interpreter
983} // namespace art