blob: 0a1ae361671f5494a411129a0208d271e424a1b8 [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
Andreas Gampe542451c2016-07-26 09:02:02 -070021#include "base/enums.h"
Daniel Mihalyieb076692014-08-22 17:33:31 +020022#include "debugger.h"
Andreas Gampee2abbc62017-09-15 11:59:26 -070023#include "dex_file_types.h"
Nicolas Geoffray7bf2b4f2015-07-08 10:11:59 +000024#include "entrypoints/runtime_asm_entrypoints.h"
Orion Hodson43f0cdb2017-10-10 14:47:32 +010025#include "intrinsics_enum.h"
Tamas Berghammerdd5e5e92016-02-12 16:29:00 +000026#include "jit/jit.h"
Narayan Kamath9823e782016-08-03 12:46:58 +010027#include "jvalue.h"
Narayan Kamath208f8572016-08-03 12:46:58 +010028#include "method_handles-inl.h"
Andreas Gampe8cf9cb32017-07-19 09:28:38 -070029#include "method_handles.h"
Sebastien Hertzd2fe10a2014-01-15 10:20:56 +010030#include "mirror/array-inl.h"
Narayan Kamath9823e782016-08-03 12:46:58 +010031#include "mirror/class.h"
Narayan Kamath000e1882016-10-24 17:14:25 +010032#include "mirror/emulated_stack_frame.h"
Andreas Gampec6ea7d02017-02-01 16:46:28 -080033#include "mirror/method_handle_impl-inl.h"
Narayan Kamath9823e782016-08-03 12:46:58 +010034#include "reflection-inl.h"
Andreas Gampe8cf9cb32017-07-19 09:28:38 -070035#include "reflection.h"
Andreas Gampeb3025922015-09-01 14:45:00 -070036#include "stack.h"
Andreas Gampe513061a2017-06-01 09:17:34 -070037#include "thread-inl.h"
Chang Xingbd208d82017-07-12 14:53:17 -070038#include "transaction.h"
Narayan Kamathc3b7f1a2016-10-19 11:05:04 +010039#include "well_known_classes.h"
Sebastien Hertz8ece0502013-08-07 11:26:41 +020040
41namespace art {
42namespace interpreter {
43
Nicolas Geoffray0aa50ce2015-03-10 11:03:29 +000044void ThrowNullPointerExceptionFromInterpreter() {
45 ThrowNullPointerExceptionFromDexPC();
Ian Rogers54874942014-06-10 16:31:03 -070046}
47
Chang Xingbd208d82017-07-12 14:53:17 -070048template<FindFieldType find_type, Primitive::Type field_type, bool do_access_check,
49 bool transaction_active>
Ian Rogers54874942014-06-10 16:31:03 -070050bool DoFieldGet(Thread* self, ShadowFrame& shadow_frame, const Instruction* inst,
51 uint16_t inst_data) {
52 const bool is_static = (find_type == StaticObjectRead) || (find_type == StaticPrimitiveRead);
53 const uint32_t field_idx = is_static ? inst->VRegB_21c() : inst->VRegC_22c();
Roland Levillain4b8f1ec2015-08-26 18:34:03 +010054 ArtField* f =
55 FindFieldFromCode<find_type, do_access_check>(field_idx, shadow_frame.GetMethod(), self,
56 Primitive::ComponentSize(field_type));
Ian Rogers54874942014-06-10 16:31:03 -070057 if (UNLIKELY(f == nullptr)) {
58 CHECK(self->IsExceptionPending());
59 return false;
60 }
Mathieu Chartieref41db72016-10-25 15:08:01 -070061 ObjPtr<mirror::Object> obj;
Ian Rogers54874942014-06-10 16:31:03 -070062 if (is_static) {
63 obj = f->GetDeclaringClass();
Chang Xingbd208d82017-07-12 14:53:17 -070064 if (transaction_active) {
65 if (Runtime::Current()->GetTransaction()->ReadConstraint(obj.Ptr(), f)) {
66 Runtime::Current()->AbortTransactionAndThrowAbortError(self, "Can't read static fields of "
67 + obj->PrettyTypeOf() + " since it does not belong to clinit's class.");
68 return false;
69 }
70 }
Ian Rogers54874942014-06-10 16:31:03 -070071 } else {
72 obj = shadow_frame.GetVRegReference(inst->VRegB_22c(inst_data));
73 if (UNLIKELY(obj == nullptr)) {
Nicolas Geoffray0aa50ce2015-03-10 11:03:29 +000074 ThrowNullPointerExceptionForFieldAccess(f, true);
Ian Rogers54874942014-06-10 16:31:03 -070075 return false;
76 }
77 }
Orion Hodson3d617ac2016-10-19 14:00:46 +010078
79 JValue result;
Alex Light084fa372017-06-16 08:58:34 -070080 if (UNLIKELY(!DoFieldGetCommon<field_type>(self, shadow_frame, obj, f, &result))) {
81 // Instrumentation threw an error!
82 CHECK(self->IsExceptionPending());
83 return false;
84 }
Ian Rogers54874942014-06-10 16:31:03 -070085 uint32_t vregA = is_static ? inst->VRegA_21c(inst_data) : inst->VRegA_22c(inst_data);
86 switch (field_type) {
87 case Primitive::kPrimBoolean:
Orion Hodson3d617ac2016-10-19 14:00:46 +010088 shadow_frame.SetVReg(vregA, result.GetZ());
Ian Rogers54874942014-06-10 16:31:03 -070089 break;
90 case Primitive::kPrimByte:
Orion Hodson3d617ac2016-10-19 14:00:46 +010091 shadow_frame.SetVReg(vregA, result.GetB());
Ian Rogers54874942014-06-10 16:31:03 -070092 break;
93 case Primitive::kPrimChar:
Orion Hodson3d617ac2016-10-19 14:00:46 +010094 shadow_frame.SetVReg(vregA, result.GetC());
Ian Rogers54874942014-06-10 16:31:03 -070095 break;
96 case Primitive::kPrimShort:
Orion Hodson3d617ac2016-10-19 14:00:46 +010097 shadow_frame.SetVReg(vregA, result.GetS());
Ian Rogers54874942014-06-10 16:31:03 -070098 break;
99 case Primitive::kPrimInt:
Orion Hodson3d617ac2016-10-19 14:00:46 +0100100 shadow_frame.SetVReg(vregA, result.GetI());
Ian Rogers54874942014-06-10 16:31:03 -0700101 break;
102 case Primitive::kPrimLong:
Orion Hodson3d617ac2016-10-19 14:00:46 +0100103 shadow_frame.SetVRegLong(vregA, result.GetJ());
Ian Rogers54874942014-06-10 16:31:03 -0700104 break;
105 case Primitive::kPrimNot:
Orion Hodson3d617ac2016-10-19 14:00:46 +0100106 shadow_frame.SetVRegReference(vregA, result.GetL());
Ian Rogers54874942014-06-10 16:31:03 -0700107 break;
108 default:
109 LOG(FATAL) << "Unreachable: " << field_type;
Ian Rogers2c4257b2014-10-24 14:20:06 -0700110 UNREACHABLE();
Ian Rogers54874942014-06-10 16:31:03 -0700111 }
112 return true;
113}
114
115// Explicitly instantiate all DoFieldGet functions.
Chang Xingbd208d82017-07-12 14:53:17 -0700116#define EXPLICIT_DO_FIELD_GET_TEMPLATE_DECL(_find_type, _field_type, _do_check, _transaction_active) \
117 template bool DoFieldGet<_find_type, _field_type, _do_check, _transaction_active>(Thread* self, \
Ian Rogers54874942014-06-10 16:31:03 -0700118 ShadowFrame& shadow_frame, \
119 const Instruction* inst, \
120 uint16_t inst_data)
121
122#define EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(_find_type, _field_type) \
Chang Xingbd208d82017-07-12 14:53:17 -0700123 EXPLICIT_DO_FIELD_GET_TEMPLATE_DECL(_find_type, _field_type, false, true); \
124 EXPLICIT_DO_FIELD_GET_TEMPLATE_DECL(_find_type, _field_type, false, false); \
125 EXPLICIT_DO_FIELD_GET_TEMPLATE_DECL(_find_type, _field_type, true, true); \
126 EXPLICIT_DO_FIELD_GET_TEMPLATE_DECL(_find_type, _field_type, true, false);
Ian Rogers54874942014-06-10 16:31:03 -0700127
128// iget-XXX
Andreas Gampec8ccf682014-09-29 20:07:43 -0700129EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimBoolean)
130EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimByte)
131EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimChar)
132EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimShort)
133EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimInt)
134EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimLong)
135EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstanceObjectRead, Primitive::kPrimNot)
Ian Rogers54874942014-06-10 16:31:03 -0700136
137// sget-XXX
Andreas Gampec8ccf682014-09-29 20:07:43 -0700138EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimBoolean)
139EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimByte)
140EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimChar)
141EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimShort)
142EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimInt)
143EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimLong)
144EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticObjectRead, Primitive::kPrimNot)
Ian Rogers54874942014-06-10 16:31:03 -0700145
146#undef EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL
147#undef EXPLICIT_DO_FIELD_GET_TEMPLATE_DECL
148
149// Handles iget-quick, iget-wide-quick and iget-object-quick instructions.
150// Returns true on success, otherwise throws an exception and returns false.
151template<Primitive::Type field_type>
152bool DoIGetQuick(ShadowFrame& shadow_frame, const Instruction* inst, uint16_t inst_data) {
Mathieu Chartieref41db72016-10-25 15:08:01 -0700153 ObjPtr<mirror::Object> obj = shadow_frame.GetVRegReference(inst->VRegB_22c(inst_data));
Ian Rogers54874942014-06-10 16:31:03 -0700154 if (UNLIKELY(obj == nullptr)) {
155 // We lost the reference to the field index so we cannot get a more
156 // precised exception message.
Nicolas Geoffray0aa50ce2015-03-10 11:03:29 +0000157 ThrowNullPointerExceptionFromDexPC();
Ian Rogers54874942014-06-10 16:31:03 -0700158 return false;
159 }
160 MemberOffset field_offset(inst->VRegC_22c());
161 // Report this field access to instrumentation if needed. Since we only have the offset of
162 // the field from the base of the object, we need to look for it first.
163 instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation();
164 if (UNLIKELY(instrumentation->HasFieldReadListeners())) {
165 ArtField* f = ArtField::FindInstanceFieldWithOffset(obj->GetClass(),
166 field_offset.Uint32Value());
167 DCHECK(f != nullptr);
168 DCHECK(!f->IsStatic());
Alex Light084fa372017-06-16 08:58:34 -0700169 Thread* self = Thread::Current();
170 StackHandleScope<1> hs(self);
Mathieu Chartiera3147732016-10-26 22:57:02 -0700171 // Save obj in case the instrumentation event has thread suspension.
172 HandleWrapperObjPtr<mirror::Object> h = hs.NewHandleWrapper(&obj);
Alex Light084fa372017-06-16 08:58:34 -0700173 instrumentation->FieldReadEvent(self,
Mathieu Chartieref41db72016-10-25 15:08:01 -0700174 obj.Ptr(),
175 shadow_frame.GetMethod(),
176 shadow_frame.GetDexPC(),
177 f);
Alex Light084fa372017-06-16 08:58:34 -0700178 if (UNLIKELY(self->IsExceptionPending())) {
179 return false;
180 }
Ian Rogers54874942014-06-10 16:31:03 -0700181 }
182 // Note: iget-x-quick instructions are only for non-volatile fields.
183 const uint32_t vregA = inst->VRegA_22c(inst_data);
184 switch (field_type) {
185 case Primitive::kPrimInt:
186 shadow_frame.SetVReg(vregA, static_cast<int32_t>(obj->GetField32(field_offset)));
187 break;
Mathieu Chartierffc605c2014-12-10 10:35:44 -0800188 case Primitive::kPrimBoolean:
189 shadow_frame.SetVReg(vregA, static_cast<int32_t>(obj->GetFieldBoolean(field_offset)));
190 break;
191 case Primitive::kPrimByte:
192 shadow_frame.SetVReg(vregA, static_cast<int32_t>(obj->GetFieldByte(field_offset)));
193 break;
194 case Primitive::kPrimChar:
195 shadow_frame.SetVReg(vregA, static_cast<int32_t>(obj->GetFieldChar(field_offset)));
196 break;
197 case Primitive::kPrimShort:
198 shadow_frame.SetVReg(vregA, static_cast<int32_t>(obj->GetFieldShort(field_offset)));
199 break;
Ian Rogers54874942014-06-10 16:31:03 -0700200 case Primitive::kPrimLong:
201 shadow_frame.SetVRegLong(vregA, static_cast<int64_t>(obj->GetField64(field_offset)));
202 break;
203 case Primitive::kPrimNot:
204 shadow_frame.SetVRegReference(vregA, obj->GetFieldObject<mirror::Object>(field_offset));
205 break;
206 default:
207 LOG(FATAL) << "Unreachable: " << field_type;
Ian Rogers2c4257b2014-10-24 14:20:06 -0700208 UNREACHABLE();
Ian Rogers54874942014-06-10 16:31:03 -0700209 }
210 return true;
211}
212
213// Explicitly instantiate all DoIGetQuick functions.
214#define EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(_field_type) \
215 template bool DoIGetQuick<_field_type>(ShadowFrame& shadow_frame, const Instruction* inst, \
216 uint16_t inst_data)
217
Mathieu Chartierffc605c2014-12-10 10:35:44 -0800218EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimInt); // iget-quick.
219EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimBoolean); // iget-boolean-quick.
220EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimByte); // iget-byte-quick.
221EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimChar); // iget-char-quick.
222EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimShort); // iget-short-quick.
223EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimLong); // iget-wide-quick.
224EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimNot); // iget-object-quick.
Ian Rogers54874942014-06-10 16:31:03 -0700225#undef EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL
226
227template<Primitive::Type field_type>
228static JValue GetFieldValue(const ShadowFrame& shadow_frame, uint32_t vreg)
Andreas Gampebdf7f1c2016-08-30 16:38:47 -0700229 REQUIRES_SHARED(Locks::mutator_lock_) {
Ian Rogers54874942014-06-10 16:31:03 -0700230 JValue field_value;
231 switch (field_type) {
232 case Primitive::kPrimBoolean:
233 field_value.SetZ(static_cast<uint8_t>(shadow_frame.GetVReg(vreg)));
234 break;
235 case Primitive::kPrimByte:
236 field_value.SetB(static_cast<int8_t>(shadow_frame.GetVReg(vreg)));
237 break;
238 case Primitive::kPrimChar:
239 field_value.SetC(static_cast<uint16_t>(shadow_frame.GetVReg(vreg)));
240 break;
241 case Primitive::kPrimShort:
242 field_value.SetS(static_cast<int16_t>(shadow_frame.GetVReg(vreg)));
243 break;
244 case Primitive::kPrimInt:
245 field_value.SetI(shadow_frame.GetVReg(vreg));
246 break;
247 case Primitive::kPrimLong:
248 field_value.SetJ(shadow_frame.GetVRegLong(vreg));
249 break;
250 case Primitive::kPrimNot:
251 field_value.SetL(shadow_frame.GetVRegReference(vreg));
252 break;
253 default:
254 LOG(FATAL) << "Unreachable: " << field_type;
Ian Rogers2c4257b2014-10-24 14:20:06 -0700255 UNREACHABLE();
Ian Rogers54874942014-06-10 16:31:03 -0700256 }
257 return field_value;
258}
259
Orion Hodson3d617ac2016-10-19 14:00:46 +0100260template<FindFieldType find_type, Primitive::Type field_type, bool do_access_check,
261 bool transaction_active>
262bool DoFieldPut(Thread* self, const ShadowFrame& shadow_frame, const Instruction* inst,
263 uint16_t inst_data) {
264 const bool do_assignability_check = do_access_check;
265 bool is_static = (find_type == StaticObjectWrite) || (find_type == StaticPrimitiveWrite);
266 uint32_t field_idx = is_static ? inst->VRegB_21c() : inst->VRegC_22c();
267 ArtField* f =
268 FindFieldFromCode<find_type, do_access_check>(field_idx, shadow_frame.GetMethod(), self,
269 Primitive::ComponentSize(field_type));
270 if (UNLIKELY(f == nullptr)) {
271 CHECK(self->IsExceptionPending());
272 return false;
273 }
274 ObjPtr<mirror::Object> obj;
275 if (is_static) {
276 obj = f->GetDeclaringClass();
Chang Xingbd208d82017-07-12 14:53:17 -0700277 if (transaction_active) {
278 if (Runtime::Current()->GetTransaction()->WriteConstraint(obj.Ptr(), f)) {
279 Runtime::Current()->AbortTransactionAndThrowAbortError(
280 self, "Can't set fields of " + obj->PrettyTypeOf());
281 return false;
282 }
283 }
284
Orion Hodson3d617ac2016-10-19 14:00:46 +0100285 } else {
286 obj = shadow_frame.GetVRegReference(inst->VRegB_22c(inst_data));
287 if (UNLIKELY(obj == nullptr)) {
288 ThrowNullPointerExceptionForFieldAccess(f, false);
289 return false;
290 }
291 }
292
293 uint32_t vregA = is_static ? inst->VRegA_21c(inst_data) : inst->VRegA_22c(inst_data);
Orion Hodsonba28f9f2016-10-26 10:56:25 +0100294 JValue value = GetFieldValue<field_type>(shadow_frame, vregA);
Orion Hodson3d617ac2016-10-19 14:00:46 +0100295 return DoFieldPutCommon<field_type, do_assignability_check, transaction_active>(self,
296 shadow_frame,
297 obj,
298 f,
Orion Hodsonba28f9f2016-10-26 10:56:25 +0100299 value);
Orion Hodson3d617ac2016-10-19 14:00:46 +0100300}
301
Ian Rogers54874942014-06-10 16:31:03 -0700302// Explicitly instantiate all DoFieldPut functions.
303#define EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, _do_check, _transaction_active) \
304 template bool DoFieldPut<_find_type, _field_type, _do_check, _transaction_active>(Thread* self, \
305 const ShadowFrame& shadow_frame, const Instruction* inst, uint16_t inst_data)
306
307#define EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(_find_type, _field_type) \
308 EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, false, false); \
309 EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, true, false); \
310 EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, false, true); \
311 EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, true, true);
312
313// iput-XXX
Andreas Gampec8ccf682014-09-29 20:07:43 -0700314EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimBoolean)
315EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimByte)
316EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimChar)
317EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimShort)
318EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimInt)
319EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimLong)
320EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstanceObjectWrite, Primitive::kPrimNot)
Ian Rogers54874942014-06-10 16:31:03 -0700321
322// sput-XXX
Andreas Gampec8ccf682014-09-29 20:07:43 -0700323EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimBoolean)
324EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimByte)
325EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimChar)
326EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimShort)
327EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimInt)
328EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimLong)
329EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticObjectWrite, Primitive::kPrimNot)
Ian Rogers54874942014-06-10 16:31:03 -0700330
331#undef EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL
332#undef EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL
333
334template<Primitive::Type field_type, bool transaction_active>
335bool DoIPutQuick(const ShadowFrame& shadow_frame, const Instruction* inst, uint16_t inst_data) {
Mathieu Chartieref41db72016-10-25 15:08:01 -0700336 ObjPtr<mirror::Object> obj = shadow_frame.GetVRegReference(inst->VRegB_22c(inst_data));
Ian Rogers54874942014-06-10 16:31:03 -0700337 if (UNLIKELY(obj == nullptr)) {
338 // We lost the reference to the field index so we cannot get a more
339 // precised exception message.
Nicolas Geoffray0aa50ce2015-03-10 11:03:29 +0000340 ThrowNullPointerExceptionFromDexPC();
Ian Rogers54874942014-06-10 16:31:03 -0700341 return false;
342 }
343 MemberOffset field_offset(inst->VRegC_22c());
344 const uint32_t vregA = inst->VRegA_22c(inst_data);
345 // Report this field modification to instrumentation if needed. Since we only have the offset of
346 // the field from the base of the object, we need to look for it first.
347 instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation();
348 if (UNLIKELY(instrumentation->HasFieldWriteListeners())) {
349 ArtField* f = ArtField::FindInstanceFieldWithOffset(obj->GetClass(),
350 field_offset.Uint32Value());
351 DCHECK(f != nullptr);
352 DCHECK(!f->IsStatic());
353 JValue field_value = GetFieldValue<field_type>(shadow_frame, vregA);
Alex Light084fa372017-06-16 08:58:34 -0700354 Thread* self = Thread::Current();
355 StackHandleScope<2> hs(self);
Mathieu Chartiera3147732016-10-26 22:57:02 -0700356 // Save obj in case the instrumentation event has thread suspension.
357 HandleWrapperObjPtr<mirror::Object> h = hs.NewHandleWrapper(&obj);
Alex Light084fa372017-06-16 08:58:34 -0700358 mirror::Object* fake_root = nullptr;
359 HandleWrapper<mirror::Object> ret(hs.NewHandleWrapper<mirror::Object>(
360 field_type == Primitive::kPrimNot ? field_value.GetGCRoot() : &fake_root));
361 instrumentation->FieldWriteEvent(self,
Mathieu Chartieref41db72016-10-25 15:08:01 -0700362 obj.Ptr(),
363 shadow_frame.GetMethod(),
364 shadow_frame.GetDexPC(),
365 f,
366 field_value);
Alex Light084fa372017-06-16 08:58:34 -0700367 if (UNLIKELY(self->IsExceptionPending())) {
368 return false;
369 }
Ian Rogers54874942014-06-10 16:31:03 -0700370 }
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
Alex Light9fb1ab12017-09-05 09:32:49 -0700421// We execute any instrumentation events that are triggered by this exception and change the
422// shadow_frame's dex_pc to that of the exception handler if there is one in the current method.
423// Return true if we should continue executing in the current method and false if we need to go up
424// the stack to find an exception handler.
Sebastien Hertz520633b2015-09-08 17:03:36 +0200425// We accept a null Instrumentation* meaning we must not report anything to the instrumentation.
Alex Light9fb1ab12017-09-05 09:32:49 -0700426// TODO We should have a better way to skip instrumentation reporting or possibly rethink that
427// behavior.
428bool MoveToExceptionHandler(Thread* self,
429 ShadowFrame& shadow_frame,
430 const instrumentation::Instrumentation* instrumentation) {
Ian Rogers54874942014-06-10 16:31:03 -0700431 self->VerifyStack();
Mathieu Chartiere401d142015-04-22 13:56:20 -0700432 StackHandleScope<2> hs(self);
Nicolas Geoffray14691c52015-03-05 10:40:17 +0000433 Handle<mirror::Throwable> exception(hs.NewHandle(self->GetException()));
Alex Light9fb1ab12017-09-05 09:32:49 -0700434 if (instrumentation != nullptr &&
435 instrumentation->HasExceptionThrownListeners() &&
436 self->IsExceptionThrownByCurrentMethod(exception.Get())) {
437 // See b/65049545 for why we don't need to check to see if the exception has changed.
Alex Light6e1607e2017-08-23 10:06:18 -0700438 instrumentation->ExceptionThrownEvent(self, exception.Get());
Sebastien Hertz9f102032014-05-23 08:59:42 +0200439 }
Ian Rogers54874942014-06-10 16:31:03 -0700440 bool clear_exception = false;
Mathieu Chartiere401d142015-04-22 13:56:20 -0700441 uint32_t found_dex_pc = shadow_frame.GetMethod()->FindCatchBlock(
Alex Light9fb1ab12017-09-05 09:32:49 -0700442 hs.NewHandle(exception->GetClass()), shadow_frame.GetDexPC(), &clear_exception);
Andreas Gampee2abbc62017-09-15 11:59:26 -0700443 if (found_dex_pc == dex::kDexNoIndex) {
Alex Light9fb1ab12017-09-05 09:32:49 -0700444 if (instrumentation != nullptr) {
445 if (shadow_frame.NeedsNotifyPop()) {
446 instrumentation->WatchedFramePopped(self, shadow_frame);
447 }
448 // Exception is not caught by the current method. We will unwind to the
449 // caller. Notify any instrumentation listener.
450 instrumentation->MethodUnwindEvent(self,
451 shadow_frame.GetThisObject(),
452 shadow_frame.GetMethod(),
453 shadow_frame.GetDexPC());
Alex Lighte814f9d2017-07-31 16:14:39 -0700454 }
Alex Light9fb1ab12017-09-05 09:32:49 -0700455 return false;
Ian Rogers54874942014-06-10 16:31:03 -0700456 } else {
Alex Light9fb1ab12017-09-05 09:32:49 -0700457 shadow_frame.SetDexPC(found_dex_pc);
458 if (instrumentation != nullptr && instrumentation->HasExceptionHandledListeners()) {
459 self->ClearException();
460 instrumentation->ExceptionHandledEvent(self, exception.Get());
461 if (UNLIKELY(self->IsExceptionPending())) {
462 // Exception handled event threw an exception. Try to find the handler for this one.
463 return MoveToExceptionHandler(self, shadow_frame, instrumentation);
464 } else if (!clear_exception) {
465 self->SetException(exception.Get());
466 }
467 } else if (clear_exception) {
Ian Rogers54874942014-06-10 16:31:03 -0700468 self->ClearException();
469 }
Alex Light9fb1ab12017-09-05 09:32:49 -0700470 return true;
Ian Rogers54874942014-06-10 16:31:03 -0700471 }
Ian Rogers54874942014-06-10 16:31:03 -0700472}
473
Ian Rogerse94652f2014-12-02 11:13:19 -0800474void UnexpectedOpcode(const Instruction* inst, const ShadowFrame& shadow_frame) {
475 LOG(FATAL) << "Unexpected instruction: "
476 << inst->DumpString(shadow_frame.GetMethod()->GetDexFile());
477 UNREACHABLE();
Ian Rogers54874942014-06-10 16:31:03 -0700478}
479
Sebastien Hertz45b15972015-04-03 16:07:05 +0200480void AbortTransactionF(Thread* self, const char* fmt, ...) {
Mathieu Chartierb2c7ead2014-04-29 11:13:16 -0700481 va_list args;
482 va_start(args, fmt);
Sebastien Hertz45b15972015-04-03 16:07:05 +0200483 AbortTransactionV(self, fmt, args);
484 va_end(args);
485}
486
487void AbortTransactionV(Thread* self, const char* fmt, va_list args) {
488 CHECK(Runtime::Current()->IsActiveTransaction());
489 // Constructs abort message.
Sebastien Hertz1c80bec2015-02-03 11:58:06 +0100490 std::string abort_msg;
Andreas Gampe46ee31b2016-12-14 10:11:49 -0800491 android::base::StringAppendV(&abort_msg, fmt, args);
Sebastien Hertz1c80bec2015-02-03 11:58:06 +0100492 // Throws an exception so we can abort the transaction and rollback every change.
Sebastien Hertz2fd7e692015-04-02 11:11:19 +0200493 Runtime::Current()->AbortTransactionAndThrowAbortError(self, abort_msg);
Mathieu Chartierb2c7ead2014-04-29 11:13:16 -0700494}
495
Narayan Kamathc3b7f1a2016-10-19 11:05:04 +0100496// START DECLARATIONS :
497//
498// These additional declarations are required because clang complains
499// about ALWAYS_INLINE (-Werror, -Wgcc-compat) in definitions.
500//
501
Narayan Kamath9823e782016-08-03 12:46:58 +0100502template <bool is_range, bool do_assignability_check>
Vladimir Markod16363a2017-02-01 14:09:13 +0000503static ALWAYS_INLINE bool DoCallCommon(ArtMethod* called_method,
504 Thread* self,
505 ShadowFrame& shadow_frame,
506 JValue* result,
507 uint16_t number_of_inputs,
508 uint32_t (&arg)[Instruction::kMaxVarArgRegs],
509 uint32_t vregC) REQUIRES_SHARED(Locks::mutator_lock_);
Narayan Kamathc3b7f1a2016-10-19 11:05:04 +0100510
511template <bool is_range>
Narayan Kamath2cb856c2016-11-02 12:01:26 +0000512ALWAYS_INLINE void CopyRegisters(ShadowFrame& caller_frame,
513 ShadowFrame* callee_frame,
514 const uint32_t (&arg)[Instruction::kMaxVarArgRegs],
515 const size_t first_src_reg,
516 const size_t first_dest_reg,
517 const size_t num_regs) REQUIRES_SHARED(Locks::mutator_lock_);
Narayan Kamathc3b7f1a2016-10-19 11:05:04 +0100518
519// END DECLARATIONS.
520
Siva Chandra05d24152016-01-05 17:43:17 -0800521void ArtInterpreterToCompiledCodeBridge(Thread* self,
Nicolas Geoffray71cd50f2016-04-14 15:00:33 +0100522 ArtMethod* caller,
Siva Chandra05d24152016-01-05 17:43:17 -0800523 ShadowFrame* shadow_frame,
Jeff Hao5ea84132017-05-05 16:59:29 -0700524 uint16_t arg_offset,
Siva Chandra05d24152016-01-05 17:43:17 -0800525 JValue* result)
Andreas Gampebdf7f1c2016-08-30 16:38:47 -0700526 REQUIRES_SHARED(Locks::mutator_lock_) {
Andreas Gampe3cfa4d02015-10-06 17:04:01 -0700527 ArtMethod* method = shadow_frame->GetMethod();
528 // Ensure static methods are initialized.
529 if (method->IsStatic()) {
Mathieu Chartieref41db72016-10-25 15:08:01 -0700530 ObjPtr<mirror::Class> declaringClass = method->GetDeclaringClass();
Andreas Gampe3cfa4d02015-10-06 17:04:01 -0700531 if (UNLIKELY(!declaringClass->IsInitialized())) {
532 self->PushShadowFrame(shadow_frame);
533 StackHandleScope<1> hs(self);
534 Handle<mirror::Class> h_class(hs.NewHandle(declaringClass));
Nicolas Geoffray01822292017-03-09 09:03:19 +0000535 if (UNLIKELY(!Runtime::Current()->GetClassLinker()->EnsureInitialized(self, h_class, true,
536 true))) {
Andreas Gampe3cfa4d02015-10-06 17:04:01 -0700537 self->PopShadowFrame();
538 DCHECK(self->IsExceptionPending());
539 return;
540 }
541 self->PopShadowFrame();
542 CHECK(h_class->IsInitializing());
Nicolas Geoffray01822292017-03-09 09:03:19 +0000543 // Reload from shadow frame in case the method moved, this is faster than adding a handle.
544 method = shadow_frame->GetMethod();
Andreas Gampe3cfa4d02015-10-06 17:04:01 -0700545 }
546 }
Jeff Hao5ea84132017-05-05 16:59:29 -0700547 // Basic checks for the arg_offset. If there's no code item, the arg_offset must be 0. Otherwise,
548 // check that the arg_offset isn't greater than the number of registers. A stronger check is
549 // difficult since the frame may contain space for all the registers in the method, or only enough
550 // space for the arguments.
551 if (kIsDebugBuild) {
552 if (method->GetCodeItem() == nullptr) {
553 DCHECK_EQ(0u, arg_offset) << method->PrettyMethod();
554 } else {
555 DCHECK_LE(arg_offset, shadow_frame->NumberOfVRegs());
556 }
557 }
Nicolas Geoffray71cd50f2016-04-14 15:00:33 +0100558 jit::Jit* jit = Runtime::Current()->GetJit();
559 if (jit != nullptr && caller != nullptr) {
560 jit->NotifyInterpreterToCompiledCodeTransition(self, caller);
561 }
Andreas Gampe3cfa4d02015-10-06 17:04:01 -0700562 method->Invoke(self, shadow_frame->GetVRegArgs(arg_offset),
563 (shadow_frame->NumberOfVRegs() - arg_offset) * sizeof(uint32_t),
Andreas Gampe542451c2016-07-26 09:02:02 -0700564 result, method->GetInterfaceMethodIfProxy(kRuntimePointerSize)->GetShorty());
Andreas Gampe3cfa4d02015-10-06 17:04:01 -0700565}
566
Mingyao Yangffedec52016-05-19 10:48:40 -0700567void SetStringInitValueToAllAliases(ShadowFrame* shadow_frame,
568 uint16_t this_obj_vreg,
569 JValue result)
Andreas Gampebdf7f1c2016-08-30 16:38:47 -0700570 REQUIRES_SHARED(Locks::mutator_lock_) {
Mathieu Chartieref41db72016-10-25 15:08:01 -0700571 ObjPtr<mirror::Object> existing = shadow_frame->GetVRegReference(this_obj_vreg);
Mingyao Yangffedec52016-05-19 10:48:40 -0700572 if (existing == nullptr) {
573 // If it's null, we come from compiled code that was deoptimized. Nothing to do,
574 // as the compiler verified there was no alias.
575 // Set the new string result of the StringFactory.
576 shadow_frame->SetVRegReference(this_obj_vreg, result.GetL());
577 return;
578 }
579 // Set the string init result into all aliases.
580 for (uint32_t i = 0, e = shadow_frame->NumberOfVRegs(); i < e; ++i) {
581 if (shadow_frame->GetVRegReference(i) == existing) {
582 DCHECK_EQ(shadow_frame->GetVRegReference(i),
583 reinterpret_cast<mirror::Object*>(shadow_frame->GetVReg(i)));
584 shadow_frame->SetVRegReference(i, result.GetL());
585 DCHECK_EQ(shadow_frame->GetVRegReference(i),
586 reinterpret_cast<mirror::Object*>(shadow_frame->GetVReg(i)));
587 }
588 }
589}
590
Orion Hodsonc069a302017-01-18 09:23:12 +0000591template<bool is_range>
Orion Hodson43f0cdb2017-10-10 14:47:32 +0100592static bool DoMethodHandleInvokeCommon(Thread* self,
593 ShadowFrame& shadow_frame,
594 bool invoke_exact,
595 const Instruction* inst,
596 uint16_t inst_data,
597 JValue* result)
Orion Hodsonba28f9f2016-10-26 10:56:25 +0100598 REQUIRES_SHARED(Locks::mutator_lock_) {
Alex Light848574c2017-09-25 16:59:39 -0700599 // Make sure to check for async exceptions
600 if (UNLIKELY(self->ObserveAsyncException())) {
601 return false;
602 }
Narayan Kamath9823e782016-08-03 12:46:58 +0100603 // Invoke-polymorphic instructions always take a receiver. i.e, they are never static.
604 const uint32_t vRegC = (is_range) ? inst->VRegC_4rcc() : inst->VRegC_45cc();
Orion Hodson3d617ac2016-10-19 14:00:46 +0100605 const int invoke_method_idx = (is_range) ? inst->VRegB_4rcc() : inst->VRegB_45cc();
Narayan Kamath9823e782016-08-03 12:46:58 +0100606
Orion Hodson1a06f9f2016-11-09 08:32:42 +0000607 // Initialize |result| to 0 as this is the default return value for
608 // polymorphic invocations of method handle types with void return
609 // and provides sane return result in error cases.
610 result->SetJ(0);
611
Orion Hodson3d617ac2016-10-19 14:00:46 +0100612 // The invoke_method_idx here is the name of the signature polymorphic method that
Narayan Kamath9823e782016-08-03 12:46:58 +0100613 // was symbolically invoked in bytecode (say MethodHandle.invoke or MethodHandle.invokeExact)
614 // and not the method that we'll dispatch to in the end.
Orion Hodsone7732be2017-10-11 14:35:20 +0100615 StackHandleScope<2> hs(self);
Orion Hodsonc069a302017-01-18 09:23:12 +0000616 Handle<mirror::MethodHandle> method_handle(hs.NewHandle(
617 ObjPtr<mirror::MethodHandle>::DownCast(
Mathieu Chartieref41db72016-10-25 15:08:01 -0700618 MakeObjPtr(shadow_frame.GetVRegReference(vRegC)))));
Andreas Gampefa4333d2017-02-14 11:10:34 -0800619 if (UNLIKELY(method_handle == nullptr)) {
Narayan Kamath9823e782016-08-03 12:46:58 +0100620 // Note that the invoke type is kVirtual here because a call to a signature
621 // polymorphic method is shaped like a virtual call at the bytecode level.
Orion Hodson3d617ac2016-10-19 14:00:46 +0100622 ThrowNullPointerExceptionForMethodAccess(invoke_method_idx, InvokeType::kVirtual);
Narayan Kamath9823e782016-08-03 12:46:58 +0100623 return false;
624 }
625
626 // The vRegH value gives the index of the proto_id associated with this
Orion Hodson811bd5f2016-12-07 11:35:37 +0000627 // signature polymorphic call site.
Narayan Kamath9823e782016-08-03 12:46:58 +0100628 const uint32_t callsite_proto_id = (is_range) ? inst->VRegH_4rcc() : inst->VRegH_45cc();
629
630 // Call through to the classlinker and ask it to resolve the static type associated
631 // with the callsite. This information is stored in the dex cache so it's
632 // guaranteed to be fast after the first resolution.
Narayan Kamath9823e782016-08-03 12:46:58 +0100633 ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
Orion Hodsone7732be2017-10-11 14:35:20 +0100634 Handle<mirror::MethodType> callsite_type(hs.NewHandle(
635 class_linker->ResolveMethodType(self, callsite_proto_id, shadow_frame.GetMethod())));
Narayan Kamath9823e782016-08-03 12:46:58 +0100636
637 // This implies we couldn't resolve one or more types in this method handle.
Andreas Gampefa4333d2017-02-14 11:10:34 -0800638 if (UNLIKELY(callsite_type == nullptr)) {
Narayan Kamath9823e782016-08-03 12:46:58 +0100639 CHECK(self->IsExceptionPending());
Narayan Kamath9823e782016-08-03 12:46:58 +0100640 return false;
641 }
642
Orion Hodson811bd5f2016-12-07 11:35:37 +0000643 // There is a common dispatch method for method handles that takes
644 // arguments either from a range or an array of arguments depending
645 // on whether the DEX instruction is invoke-polymorphic/range or
646 // invoke-polymorphic. The array here is for the latter.
647 uint32_t args[Instruction::kMaxVarArgRegs] = {};
Orion Hodson43f0cdb2017-10-10 14:47:32 +0100648 if (UNLIKELY(is_range)) {
Orion Hodson811bd5f2016-12-07 11:35:37 +0000649 // VRegC is the register holding the method handle. Arguments passed
650 // to the method handle's target do not include the method handle.
651 uint32_t first_arg = inst->VRegC_4rcc() + 1;
Orion Hodson43f0cdb2017-10-10 14:47:32 +0100652 static const bool kIsRange = true;
653 if (invoke_exact) {
654 return art::MethodHandleInvokeExact<kIsRange>(self,
655 shadow_frame,
656 method_handle,
657 callsite_type,
658 args /* unused */,
659 first_arg,
660 result);
661 } else {
662 return art::MethodHandleInvoke<kIsRange>(self,
663 shadow_frame,
664 method_handle,
665 callsite_type,
666 args /* unused */,
667 first_arg,
668 result);
669 }
Narayan Kamath9823e782016-08-03 12:46:58 +0100670 } else {
Orion Hodson811bd5f2016-12-07 11:35:37 +0000671 // Get the register arguments for the invoke.
672 inst->GetVarArgs(args, inst_data);
673 // Drop the first register which is the method handle performing the invoke.
Alexey Frunze8631a462017-01-19 19:07:37 -0800674 memmove(args, args + 1, sizeof(args[0]) * (Instruction::kMaxVarArgRegs - 1));
Orion Hodson811bd5f2016-12-07 11:35:37 +0000675 args[Instruction::kMaxVarArgRegs - 1] = 0;
Orion Hodson43f0cdb2017-10-10 14:47:32 +0100676 static const bool kIsRange = false;
677 if (invoke_exact) {
678 return art::MethodHandleInvokeExact<kIsRange>(self,
679 shadow_frame,
680 method_handle,
681 callsite_type,
682 args,
683 args[0],
684 result);
685 } else {
686 return art::MethodHandleInvoke<kIsRange>(self,
687 shadow_frame,
688 method_handle,
689 callsite_type,
690 args,
691 args[0],
692 result);
693 }
694 }
695}
696
697bool DoMethodHandleInvokeExact(Thread* self,
698 ShadowFrame& shadow_frame,
699 const Instruction* inst,
700 uint16_t inst_data,
701 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
702 if (inst->Opcode() == Instruction::INVOKE_POLYMORPHIC) {
703 static const bool kIsRange = false;
704 return DoMethodHandleInvokeCommon<kIsRange>(
705 self, shadow_frame, true /* is_exact */, inst, inst_data, result);
706 } else {
707 DCHECK_EQ(inst->Opcode(), Instruction::INVOKE_POLYMORPHIC_RANGE);
708 static const bool kIsRange = true;
709 return DoMethodHandleInvokeCommon<kIsRange>(
710 self, shadow_frame, true /* is_exact */, inst, inst_data, result);
711 }
712}
713
714bool DoMethodHandleInvoke(Thread* self,
715 ShadowFrame& shadow_frame,
716 const Instruction* inst,
717 uint16_t inst_data,
718 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
719 if (inst->Opcode() == Instruction::INVOKE_POLYMORPHIC) {
720 static const bool kIsRange = false;
721 return DoMethodHandleInvokeCommon<kIsRange>(
722 self, shadow_frame, false /* is_exact */, inst, inst_data, result);
723 } else {
724 DCHECK_EQ(inst->Opcode(), Instruction::INVOKE_POLYMORPHIC_RANGE);
725 static const bool kIsRange = true;
726 return DoMethodHandleInvokeCommon<kIsRange>(
727 self, shadow_frame, false /* is_exact */, inst, inst_data, result);
728 }
729}
730
731static bool UnimplementedSignaturePolymorphicMethod(Thread* self ATTRIBUTE_UNUSED,
732 ShadowFrame& shadow_frame ATTRIBUTE_UNUSED,
733 const Instruction* inst ATTRIBUTE_UNUSED,
734 uint16_t inst_data ATTRIBUTE_UNUSED,
735 JValue* result ATTRIBUTE_UNUSED)
736 REQUIRES_SHARED(Locks::mutator_lock_) {
737 UNIMPLEMENTED(FATAL) << "TODO(oth): b/65872996";
738 return false;
739}
740
741bool DoVarHandleCompareAndExchange(Thread* self,
742 ShadowFrame& shadow_frame,
743 const Instruction* inst,
744 uint16_t inst_data,
745 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
746 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
747}
748
749bool DoVarHandleCompareAndExchangeAcquire(Thread* self,
750 ShadowFrame& shadow_frame,
751 const Instruction* inst,
752 uint16_t inst_data,
753 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
754 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
755}
756
757bool DoVarHandleCompareAndExchangeRelease(Thread* self,
758 ShadowFrame& shadow_frame,
759 const Instruction* inst,
760 uint16_t inst_data,
761 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
762 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
763}
764
765bool DoVarHandleCompareAndSet(Thread* self,
766 ShadowFrame& shadow_frame,
767 const Instruction* inst,
768 uint16_t inst_data,
769 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
770 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
771}
772
773bool DoVarHandleGet(Thread* self,
774 ShadowFrame& shadow_frame,
775 const Instruction* inst,
776 uint16_t inst_data,
777 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
778 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
779}
780
781bool DoVarHandleGetAcquire(Thread* self,
782 ShadowFrame& shadow_frame,
783 const Instruction* inst,
784 uint16_t inst_data,
785 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
786 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
787}
788
789bool DoVarHandleGetAndAdd(Thread* self,
790 ShadowFrame& shadow_frame,
791 const Instruction* inst,
792 uint16_t inst_data,
793 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
794 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
795}
796
797bool DoVarHandleGetAndAddAcquire(Thread* self,
798 ShadowFrame& shadow_frame,
799 const Instruction* inst,
800 uint16_t inst_data,
801 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
802 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
803}
804
805bool DoVarHandleGetAndAddRelease(Thread* self,
806 ShadowFrame& shadow_frame,
807 const Instruction* inst,
808 uint16_t inst_data,
809 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
810 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
811}
812
813bool DoVarHandleGetAndBitwiseAnd(Thread* self,
814 ShadowFrame& shadow_frame,
815 const Instruction* inst,
816 uint16_t inst_data,
817 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
818 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
819}
820
821bool DoVarHandleGetAndBitwiseAndAcquire(Thread* self,
822 ShadowFrame& shadow_frame,
823 const Instruction* inst,
824 uint16_t inst_data,
825 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
826 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
827}
828
829bool DoVarHandleGetAndBitwiseAndRelease(Thread* self,
830 ShadowFrame& shadow_frame,
831 const Instruction* inst,
832 uint16_t inst_data,
833 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
834 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
835}
836
837bool DoVarHandleGetAndBitwiseOr(Thread* self,
838 ShadowFrame& shadow_frame,
839 const Instruction* inst,
840 uint16_t inst_data,
841 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
842 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
843}
844
845bool DoVarHandleGetAndBitwiseOrAcquire(Thread* self,
846 ShadowFrame& shadow_frame,
847 const Instruction* inst,
848 uint16_t inst_data,
849 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
850 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
851}
852
853bool DoVarHandleGetAndBitwiseOrRelease(Thread* self,
854 ShadowFrame& shadow_frame,
855 const Instruction* inst,
856 uint16_t inst_data,
857 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
858 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
859}
860
861bool DoVarHandleGetAndBitwiseXor(Thread* self,
862 ShadowFrame& shadow_frame,
863 const Instruction* inst,
864 uint16_t inst_data,
865 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
866 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
867}
868
869bool DoVarHandleGetAndBitwiseXorAcquire(Thread* self,
870 ShadowFrame& shadow_frame,
871 const Instruction* inst,
872 uint16_t inst_data,
873 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
874 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
875}
876
877bool DoVarHandleGetAndBitwiseXorRelease(Thread* self,
878 ShadowFrame& shadow_frame,
879 const Instruction* inst,
880 uint16_t inst_data,
881 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
882 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
883}
884
885bool DoVarHandleGetAndSet(Thread* self,
886 ShadowFrame& shadow_frame,
887 const Instruction* inst,
888 uint16_t inst_data,
889 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
890 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
891}
892
893bool DoVarHandleGetAndSetAcquire(Thread* self,
894 ShadowFrame& shadow_frame,
895 const Instruction* inst,
896 uint16_t inst_data,
897 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
898 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
899}
900
901bool DoVarHandleGetAndSetRelease(Thread* self,
902 ShadowFrame& shadow_frame,
903 const Instruction* inst,
904 uint16_t inst_data,
905 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
906 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
907}
908
909bool DoVarHandleGetOpaque(Thread* self,
910 ShadowFrame& shadow_frame,
911 const Instruction* inst,
912 uint16_t inst_data,
913 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
914 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
915}
916
917bool DoVarHandleGetVolatile(Thread* self,
918 ShadowFrame& shadow_frame,
919 const Instruction* inst,
920 uint16_t inst_data,
921 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
922 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
923}
924
925bool DoVarHandleSet(Thread* self,
926 ShadowFrame& shadow_frame,
927 const Instruction* inst,
928 uint16_t inst_data,
929 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
930 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
931}
932
933bool DoVarHandleSetOpaque(Thread* self,
934 ShadowFrame& shadow_frame,
935 const Instruction* inst,
936 uint16_t inst_data,
937 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
938 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
939}
940
941bool DoVarHandleSetRelease(Thread* self,
942 ShadowFrame& shadow_frame,
943 const Instruction* inst,
944 uint16_t inst_data,
945 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
946 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
947}
948
949bool DoVarHandleSetVolatile(Thread* self,
950 ShadowFrame& shadow_frame,
951 const Instruction* inst,
952 uint16_t inst_data,
953 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
954 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
955}
956
957bool DoVarHandleWeakCompareAndSet(Thread* self,
958 ShadowFrame& shadow_frame,
959 const Instruction* inst,
960 uint16_t inst_data,
961 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
962 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
963}
964
965bool DoVarHandleWeakCompareAndSetAcquire(Thread* self,
966 ShadowFrame& shadow_frame,
967 const Instruction* inst,
968 uint16_t inst_data,
969 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
970 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
971}
972
973bool DoVarHandleWeakCompareAndSetPlain(Thread* self,
974 ShadowFrame& shadow_frame,
975 const Instruction* inst,
976 uint16_t inst_data,
977 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
978 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
979}
980
981bool DoVarHandleWeakCompareAndSetRelease(Thread* self,
982 ShadowFrame& shadow_frame,
983 const Instruction* inst,
984 uint16_t inst_data,
985 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
986 return UnimplementedSignaturePolymorphicMethod(self, shadow_frame, inst, inst_data, result);
987}
988
989template<bool is_range>
990bool DoInvokePolymorphic(Thread* self,
991 ShadowFrame& shadow_frame,
992 const Instruction* inst,
993 uint16_t inst_data,
994 JValue* result) {
995 const int invoke_method_idx = inst->VRegB();
996 ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
997 ArtMethod* invoke_method =
998 class_linker->ResolveMethod<ClassLinker::ResolveMode::kCheckICCEAndIAE>(
999 self, invoke_method_idx, shadow_frame.GetMethod(), kVirtual);
1000
1001 // Ensure intrinsic identifiers are initialized.
1002 DCHECK(invoke_method->IsIntrinsic());
1003
1004 // Dispatch based on intrinsic identifier associated with method.
1005 switch (static_cast<art::Intrinsics>(invoke_method->GetIntrinsic())) {
1006#define CASE_SIGNATURE_POLYMORPHIC_INTRINSIC(Name, ...) \
1007 case Intrinsics::k##Name: \
1008 return Do ## Name(self, shadow_frame, inst, inst_data, result);
1009#include "intrinsics_list.h"
1010 SIGNATURE_POLYMORPHIC_INTRINSICS_LIST(CASE_SIGNATURE_POLYMORPHIC_INTRINSIC)
1011#undef INTRINSICS_LIST
1012#undef SIGNATURE_POLYMORPHIC_INTRINSICS_LIST
1013#undef CASE_SIGNATURE_POLYMORPHIC_INTRINSIC
1014 default:
1015 LOG(FATAL) << "Unreachable: " << invoke_method->GetIntrinsic();
1016 UNREACHABLE();
1017 return false;
Narayan Kamathc3b7f1a2016-10-19 11:05:04 +01001018 }
1019}
1020
Orion Hodsonc069a302017-01-18 09:23:12 +00001021static ObjPtr<mirror::CallSite> InvokeBootstrapMethod(Thread* self,
1022 ShadowFrame& shadow_frame,
1023 uint32_t call_site_idx)
1024 REQUIRES_SHARED(Locks::mutator_lock_) {
1025 ArtMethod* referrer = shadow_frame.GetMethod();
1026 const DexFile* dex_file = referrer->GetDexFile();
1027 const DexFile::CallSiteIdItem& csi = dex_file->GetCallSiteId(call_site_idx);
1028
Orion Hodson631827d2017-04-10 14:53:47 +01001029 StackHandleScope<10> hs(self);
Orion Hodsonc069a302017-01-18 09:23:12 +00001030 Handle<mirror::ClassLoader> class_loader(hs.NewHandle(referrer->GetClassLoader()));
1031 Handle<mirror::DexCache> dex_cache(hs.NewHandle(referrer->GetDexCache()));
1032
1033 CallSiteArrayValueIterator it(*dex_file, csi);
1034 uint32_t method_handle_idx = static_cast<uint32_t>(it.GetJavaValue().i);
1035 ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
1036 Handle<mirror::MethodHandle>
Orion Hodsone7732be2017-10-11 14:35:20 +01001037 bootstrap(hs.NewHandle(class_linker->ResolveMethodHandle(self, method_handle_idx, referrer)));
Orion Hodsonc069a302017-01-18 09:23:12 +00001038 if (bootstrap.IsNull()) {
1039 DCHECK(self->IsExceptionPending());
1040 return nullptr;
1041 }
1042 Handle<mirror::MethodType> bootstrap_method_type = hs.NewHandle(bootstrap->GetMethodType());
1043 it.Next();
1044
1045 DCHECK_EQ(static_cast<size_t>(bootstrap->GetMethodType()->GetPTypes()->GetLength()), it.Size());
1046 const size_t num_bootstrap_vregs = bootstrap->GetMethodType()->NumberOfVRegs();
1047
1048 // Set-up a shadow frame for invoking the bootstrap method handle.
1049 ShadowFrameAllocaUniquePtr bootstrap_frame =
1050 CREATE_SHADOW_FRAME(num_bootstrap_vregs, nullptr, referrer, shadow_frame.GetDexPC());
1051 ScopedStackedShadowFramePusher pusher(
1052 self, bootstrap_frame.get(), StackedShadowFrameType::kShadowFrameUnderConstruction);
1053 size_t vreg = 0;
1054
1055 // The first parameter is a MethodHandles lookup instance.
1056 {
1057 Handle<mirror::Class> lookup_class(hs.NewHandle(bootstrap->GetTargetClass()));
1058 ObjPtr<mirror::MethodHandlesLookup> lookup =
1059 mirror::MethodHandlesLookup::Create(self, lookup_class);
1060 if (lookup.IsNull()) {
1061 DCHECK(self->IsExceptionPending());
1062 return nullptr;
1063 }
1064 bootstrap_frame->SetVRegReference(vreg++, lookup.Ptr());
1065 }
1066
1067 // The second parameter is the name to lookup.
1068 {
1069 dex::StringIndex name_idx(static_cast<uint32_t>(it.GetJavaValue().i));
1070 ObjPtr<mirror::String> name = class_linker->ResolveString(*dex_file, name_idx, dex_cache);
1071 if (name.IsNull()) {
1072 DCHECK(self->IsExceptionPending());
1073 return nullptr;
1074 }
1075 bootstrap_frame->SetVRegReference(vreg++, name.Ptr());
1076 }
1077 it.Next();
1078
1079 // The third parameter is the method type associated with the name.
1080 uint32_t method_type_idx = static_cast<uint32_t>(it.GetJavaValue().i);
1081 Handle<mirror::MethodType>
Orion Hodsone7732be2017-10-11 14:35:20 +01001082 method_type(hs.NewHandle(class_linker->ResolveMethodType(self,
1083 *dex_file,
Orion Hodsonc069a302017-01-18 09:23:12 +00001084 method_type_idx,
1085 dex_cache,
1086 class_loader)));
1087 if (method_type.IsNull()) {
1088 DCHECK(self->IsExceptionPending());
1089 return nullptr;
1090 }
1091 bootstrap_frame->SetVRegReference(vreg++, method_type.Get());
1092 it.Next();
1093
1094 // Append remaining arguments (if any).
1095 while (it.HasNext()) {
1096 const jvalue& jvalue = it.GetJavaValue();
1097 switch (it.GetValueType()) {
1098 case EncodedArrayValueIterator::ValueType::kBoolean:
1099 case EncodedArrayValueIterator::ValueType::kByte:
1100 case EncodedArrayValueIterator::ValueType::kChar:
1101 case EncodedArrayValueIterator::ValueType::kShort:
1102 case EncodedArrayValueIterator::ValueType::kInt:
1103 bootstrap_frame->SetVReg(vreg, jvalue.i);
1104 vreg += 1;
1105 break;
1106 case EncodedArrayValueIterator::ValueType::kLong:
1107 bootstrap_frame->SetVRegLong(vreg, jvalue.j);
1108 vreg += 2;
1109 break;
1110 case EncodedArrayValueIterator::ValueType::kFloat:
1111 bootstrap_frame->SetVRegFloat(vreg, jvalue.f);
1112 vreg += 1;
1113 break;
1114 case EncodedArrayValueIterator::ValueType::kDouble:
1115 bootstrap_frame->SetVRegDouble(vreg, jvalue.d);
1116 vreg += 2;
1117 break;
1118 case EncodedArrayValueIterator::ValueType::kMethodType: {
1119 uint32_t idx = static_cast<uint32_t>(jvalue.i);
1120 ObjPtr<mirror::MethodType> ref =
Orion Hodsone7732be2017-10-11 14:35:20 +01001121 class_linker->ResolveMethodType(self, *dex_file, idx, dex_cache, class_loader);
Orion Hodsonc069a302017-01-18 09:23:12 +00001122 if (ref.IsNull()) {
1123 DCHECK(self->IsExceptionPending());
1124 return nullptr;
1125 }
1126 bootstrap_frame->SetVRegReference(vreg, ref.Ptr());
1127 vreg += 1;
1128 break;
1129 }
1130 case EncodedArrayValueIterator::ValueType::kMethodHandle: {
1131 uint32_t idx = static_cast<uint32_t>(jvalue.i);
1132 ObjPtr<mirror::MethodHandle> ref =
Orion Hodsone7732be2017-10-11 14:35:20 +01001133 class_linker->ResolveMethodHandle(self, idx, referrer);
Orion Hodsonc069a302017-01-18 09:23:12 +00001134 if (ref.IsNull()) {
1135 DCHECK(self->IsExceptionPending());
1136 return nullptr;
1137 }
1138 bootstrap_frame->SetVRegReference(vreg, ref.Ptr());
1139 vreg += 1;
1140 break;
1141 }
1142 case EncodedArrayValueIterator::ValueType::kString: {
1143 dex::StringIndex idx(static_cast<uint32_t>(jvalue.i));
1144 ObjPtr<mirror::String> ref = class_linker->ResolveString(*dex_file, idx, dex_cache);
1145 if (ref.IsNull()) {
1146 DCHECK(self->IsExceptionPending());
1147 return nullptr;
1148 }
1149 bootstrap_frame->SetVRegReference(vreg, ref.Ptr());
1150 vreg += 1;
1151 break;
1152 }
1153 case EncodedArrayValueIterator::ValueType::kType: {
1154 dex::TypeIndex idx(static_cast<uint32_t>(jvalue.i));
1155 ObjPtr<mirror::Class> ref =
1156 class_linker->ResolveType(*dex_file, idx, dex_cache, class_loader);
1157 if (ref.IsNull()) {
1158 DCHECK(self->IsExceptionPending());
1159 return nullptr;
1160 }
1161 bootstrap_frame->SetVRegReference(vreg, ref.Ptr());
1162 vreg += 1;
1163 break;
1164 }
1165 case EncodedArrayValueIterator::ValueType::kNull:
1166 bootstrap_frame->SetVRegReference(vreg, nullptr);
1167 vreg += 1;
1168 break;
1169 case EncodedArrayValueIterator::ValueType::kField:
1170 case EncodedArrayValueIterator::ValueType::kMethod:
1171 case EncodedArrayValueIterator::ValueType::kEnum:
1172 case EncodedArrayValueIterator::ValueType::kArray:
1173 case EncodedArrayValueIterator::ValueType::kAnnotation:
1174 // Unreachable based on current EncodedArrayValueIterator::Next().
1175 UNREACHABLE();
1176 }
1177
1178 it.Next();
1179 }
1180
1181 // Invoke the bootstrap method handle.
1182 JValue result;
1183
Orion Hodson43f0cdb2017-10-10 14:47:32 +01001184 // This array of arguments is unused. DoMethodHandleInvokeExact() operates on either a
Orion Hodsonc069a302017-01-18 09:23:12 +00001185 // an argument array or a range, but always takes an array argument.
1186 uint32_t args_unused[Instruction::kMaxVarArgRegs];
Orion Hodson43f0cdb2017-10-10 14:47:32 +01001187 bool invoke_success = art::MethodHandleInvokeExact<true /* is_range */>(self,
1188 *bootstrap_frame,
1189 bootstrap,
1190 bootstrap_method_type,
1191 args_unused,
1192 0,
1193 &result);
Orion Hodsonc069a302017-01-18 09:23:12 +00001194 if (!invoke_success) {
1195 DCHECK(self->IsExceptionPending());
1196 return nullptr;
1197 }
1198
1199 Handle<mirror::Object> object(hs.NewHandle(result.GetL()));
1200
1201 // Check the result is not null.
1202 if (UNLIKELY(object.IsNull())) {
1203 ThrowNullPointerException("CallSite == null");
1204 return nullptr;
1205 }
1206
1207 // Check the result type is a subclass of CallSite.
1208 if (UNLIKELY(!object->InstanceOf(mirror::CallSite::StaticClass()))) {
1209 ThrowClassCastException(object->GetClass(), mirror::CallSite::StaticClass());
1210 return nullptr;
1211 }
1212
1213 Handle<mirror::CallSite> call_site =
1214 hs.NewHandle(ObjPtr<mirror::CallSite>::DownCast(ObjPtr<mirror::Object>(result.GetL())));
1215
1216 // Check the call site target is not null as we're going to invoke it.
1217 Handle<mirror::MethodHandle> target = hs.NewHandle(call_site->GetTarget());
1218 if (UNLIKELY(target.IsNull())) {
1219 ThrowNullPointerException("CallSite target == null");
1220 return nullptr;
1221 }
1222
Orion Hodson631827d2017-04-10 14:53:47 +01001223 // Check the target method type matches the method type requested modulo the receiver
1224 // needs to be compatible rather than exact.
1225 Handle<mirror::MethodType> target_method_type = hs.NewHandle(target->GetMethodType());
1226 if (UNLIKELY(!target_method_type->IsExactMatch(method_type.Get()) &&
1227 !IsParameterTypeConvertible(target_method_type->GetPTypes()->GetWithoutChecks(0),
1228 method_type->GetPTypes()->GetWithoutChecks(0)))) {
1229 ThrowWrongMethodTypeException(target_method_type.Get(), method_type.Get());
Orion Hodsonc069a302017-01-18 09:23:12 +00001230 return nullptr;
1231 }
1232
1233 return call_site.Get();
1234}
1235
1236template<bool is_range>
1237bool DoInvokeCustom(Thread* self,
1238 ShadowFrame& shadow_frame,
1239 const Instruction* inst,
1240 uint16_t inst_data,
1241 JValue* result)
1242 REQUIRES_SHARED(Locks::mutator_lock_) {
Alex Light848574c2017-09-25 16:59:39 -07001243 // Make sure to check for async exceptions
1244 if (UNLIKELY(self->ObserveAsyncException())) {
1245 return false;
1246 }
Orion Hodsonc069a302017-01-18 09:23:12 +00001247 // invoke-custom is not supported in transactions. In transactions
1248 // there is a limited set of types supported. invoke-custom allows
1249 // running arbitrary code and instantiating arbitrary types.
1250 CHECK(!Runtime::Current()->IsActiveTransaction());
1251 StackHandleScope<4> hs(self);
1252 Handle<mirror::DexCache> dex_cache(hs.NewHandle(shadow_frame.GetMethod()->GetDexCache()));
1253 const uint32_t call_site_idx = is_range ? inst->VRegB_3rc() : inst->VRegB_35c();
1254 MutableHandle<mirror::CallSite>
1255 call_site(hs.NewHandle(dex_cache->GetResolvedCallSite(call_site_idx)));
1256 if (call_site.IsNull()) {
1257 call_site.Assign(InvokeBootstrapMethod(self, shadow_frame, call_site_idx));
1258 if (UNLIKELY(call_site.IsNull())) {
1259 CHECK(self->IsExceptionPending());
1260 ThrowWrappedBootstrapMethodError("Exception from call site #%u bootstrap method",
1261 call_site_idx);
1262 result->SetJ(0);
1263 return false;
1264 }
1265 mirror::CallSite* winning_call_site =
1266 dex_cache->SetResolvedCallSite(call_site_idx, call_site.Get());
1267 call_site.Assign(winning_call_site);
1268 }
1269
1270 // CallSite.java checks the re-assignment of the call site target
1271 // when mutating call site targets. We only check the target is
1272 // non-null and has the right type during bootstrap method execution.
1273 Handle<mirror::MethodHandle> target = hs.NewHandle(call_site->GetTarget());
1274 Handle<mirror::MethodType> target_method_type = hs.NewHandle(target->GetMethodType());
1275 DCHECK_EQ(static_cast<size_t>(inst->VRegA()), target_method_type->NumberOfVRegs());
1276
1277 uint32_t args[Instruction::kMaxVarArgRegs];
1278 if (is_range) {
1279 args[0] = inst->VRegC_3rc();
1280 } else {
1281 inst->GetVarArgs(args, inst_data);
1282 }
1283
Orion Hodson43f0cdb2017-10-10 14:47:32 +01001284 return art::MethodHandleInvokeExact<is_range>(self,
1285 shadow_frame,
1286 target,
1287 target_method_type,
1288 args,
1289 args[0],
1290 result);
Orion Hodsonc069a302017-01-18 09:23:12 +00001291}
1292
Narayan Kamathc3b7f1a2016-10-19 11:05:04 +01001293template <bool is_range>
1294inline void CopyRegisters(ShadowFrame& caller_frame,
1295 ShadowFrame* callee_frame,
1296 const uint32_t (&arg)[Instruction::kMaxVarArgRegs],
1297 const size_t first_src_reg,
1298 const size_t first_dest_reg,
1299 const size_t num_regs) {
1300 if (is_range) {
1301 const size_t dest_reg_bound = first_dest_reg + num_regs;
1302 for (size_t src_reg = first_src_reg, dest_reg = first_dest_reg; dest_reg < dest_reg_bound;
1303 ++dest_reg, ++src_reg) {
1304 AssignRegister(callee_frame, caller_frame, dest_reg, src_reg);
1305 }
1306 } else {
1307 DCHECK_LE(num_regs, arraysize(arg));
1308
1309 for (size_t arg_index = 0; arg_index < num_regs; ++arg_index) {
1310 AssignRegister(callee_frame, caller_frame, first_dest_reg + arg_index, arg[arg_index]);
1311 }
1312 }
1313}
1314
Igor Murashkin6918bf12015-09-27 19:19:06 -07001315template <bool is_range,
Narayan Kamath370423d2016-10-03 16:51:22 +01001316 bool do_assignability_check>
Igor Murashkin158f35c2015-06-10 15:55:30 -07001317static inline bool DoCallCommon(ArtMethod* called_method,
1318 Thread* self,
1319 ShadowFrame& shadow_frame,
1320 JValue* result,
1321 uint16_t number_of_inputs,
Narayan Kamath370423d2016-10-03 16:51:22 +01001322 uint32_t (&arg)[Instruction::kMaxVarArgRegs],
Igor Murashkin158f35c2015-06-10 15:55:30 -07001323 uint32_t vregC) {
Jeff Hao848f70a2014-01-15 13:49:50 -08001324 bool string_init = false;
1325 // Replace calls to String.<init> with equivalent StringFactory call.
Igor Murashkin158f35c2015-06-10 15:55:30 -07001326 if (UNLIKELY(called_method->GetDeclaringClass()->IsStringClass()
1327 && called_method->IsConstructor())) {
Nicolas Geoffrayda079bb2016-09-26 17:56:07 +01001328 called_method = WellKnownClasses::StringInitToStringFactory(called_method);
Jeff Hao848f70a2014-01-15 13:49:50 -08001329 string_init = true;
1330 }
1331
Alex Lightdaf58c82016-03-16 23:00:49 +00001332 // Compute method information.
1333 const DexFile::CodeItem* code_item = called_method->GetCodeItem();
Igor Murashkin158f35c2015-06-10 15:55:30 -07001334 // Number of registers for the callee's call frame.
Sebastien Hertz8ece0502013-08-07 11:26:41 +02001335 uint16_t num_regs;
Jeff Hao5ea84132017-05-05 16:59:29 -07001336 // Test whether to use the interpreter or compiler entrypoint, and save that result to pass to
1337 // PerformCall. A deoptimization could occur at any time, and we shouldn't change which
1338 // entrypoint to use once we start building the shadow frame.
Mathieu Chartier448bbcf2017-07-06 12:05:13 -07001339
1340 // For unstarted runtimes, always use the interpreter entrypoint. This fixes the case where we are
1341 // doing cross compilation. Note that GetEntryPointFromQuickCompiledCode doesn't use the image
1342 // pointer size here and this may case an overflow if it is called from the compiler. b/62402160
1343 const bool use_interpreter_entrypoint = !Runtime::Current()->IsStarted() ||
1344 ClassLinker::ShouldUseInterpreterEntrypoint(
1345 called_method,
1346 called_method->GetEntryPointFromQuickCompiledCode());
Nicolas Geoffray01822292017-03-09 09:03:19 +00001347 if (LIKELY(code_item != nullptr)) {
Jeff Hao5ea84132017-05-05 16:59:29 -07001348 // When transitioning to compiled code, space only needs to be reserved for the input registers.
1349 // The rest of the frame gets discarded. This also prevents accessing the called method's code
1350 // item, saving memory by keeping code items of compiled code untouched.
Mathieu Chartier448bbcf2017-07-06 12:05:13 -07001351 if (!use_interpreter_entrypoint) {
1352 DCHECK(!Runtime::Current()->IsAotCompiler()) << "Compiler should use interpreter entrypoint";
Jeff Hao5ea84132017-05-05 16:59:29 -07001353 num_regs = number_of_inputs;
1354 } else {
1355 num_regs = code_item->registers_size_;
1356 DCHECK_EQ(string_init ? number_of_inputs - 1 : number_of_inputs, code_item->ins_size_);
1357 }
Nicolas Geoffray01822292017-03-09 09:03:19 +00001358 } else {
1359 DCHECK(called_method->IsNative() || called_method->IsProxyMethod());
1360 num_regs = number_of_inputs;
Jeff Haodf79ddb2017-02-27 14:47:06 -08001361 }
Sebastien Hertz8ece0502013-08-07 11:26:41 +02001362
Igor Murashkin158f35c2015-06-10 15:55:30 -07001363 // Hack for String init:
1364 //
1365 // Rewrite invoke-x java.lang.String.<init>(this, a, b, c, ...) into:
1366 // invoke-x StringFactory(a, b, c, ...)
1367 // by effectively dropping the first virtual register from the invoke.
1368 //
1369 // (at this point the ArtMethod has already been replaced,
1370 // so we just need to fix-up the arguments)
David Brazdil65902e82016-01-15 09:35:13 +00001371 //
1372 // Note that FindMethodFromCode in entrypoint_utils-inl.h was also special-cased
1373 // to handle the compiler optimization of replacing `this` with null without
1374 // throwing NullPointerException.
Igor Murashkin158f35c2015-06-10 15:55:30 -07001375 uint32_t string_init_vreg_this = is_range ? vregC : arg[0];
Igor Murashkina06b49b2015-06-25 15:18:12 -07001376 if (UNLIKELY(string_init)) {
Igor Murashkin158f35c2015-06-10 15:55:30 -07001377 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 -07001378
Igor Murashkin158f35c2015-06-10 15:55:30 -07001379 // The new StringFactory call is static and has one fewer argument.
Igor Murashkina06b49b2015-06-25 15:18:12 -07001380 if (code_item == nullptr) {
1381 DCHECK(called_method->IsNative() || called_method->IsProxyMethod());
1382 num_regs--;
1383 } // 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 -07001384 number_of_inputs--;
1385
1386 // Rewrite the var-args, dropping the 0th argument ("this")
Igor Murashkin6918bf12015-09-27 19:19:06 -07001387 for (uint32_t i = 1; i < arraysize(arg); ++i) {
Igor Murashkin158f35c2015-06-10 15:55:30 -07001388 arg[i - 1] = arg[i];
1389 }
Igor Murashkin6918bf12015-09-27 19:19:06 -07001390 arg[arraysize(arg) - 1] = 0;
Igor Murashkin158f35c2015-06-10 15:55:30 -07001391
1392 // Rewrite the non-var-arg case
1393 vregC++; // Skips the 0th vreg in the range ("this").
1394 }
1395
1396 // Parameter registers go at the end of the shadow frame.
1397 DCHECK_GE(num_regs, number_of_inputs);
1398 size_t first_dest_reg = num_regs - number_of_inputs;
1399 DCHECK_NE(first_dest_reg, (size_t)-1);
1400
Sebastien Hertzc61124b2013-09-10 11:44:19 +02001401 // Allocate shadow frame on the stack.
Igor Murashkin158f35c2015-06-10 15:55:30 -07001402 const char* old_cause = self->StartAssertNoThreadSuspension("DoCallCommon");
Andreas Gampeb3025922015-09-01 14:45:00 -07001403 ShadowFrameAllocaUniquePtr shadow_frame_unique_ptr =
Andreas Gampe03ec9302015-08-27 17:41:47 -07001404 CREATE_SHADOW_FRAME(num_regs, &shadow_frame, called_method, /* dex pc */ 0);
Andreas Gampeb3025922015-09-01 14:45:00 -07001405 ShadowFrame* new_shadow_frame = shadow_frame_unique_ptr.get();
Sebastien Hertzc61124b2013-09-10 11:44:19 +02001406
Igor Murashkin158f35c2015-06-10 15:55:30 -07001407 // Initialize new shadow frame by copying the registers from the callee shadow frame.
Jeff Haoa3faaf42013-09-03 19:07:00 -07001408 if (do_assignability_check) {
Andreas Gampe2a0d4ec2014-06-02 22:05:22 -07001409 // Slow path.
1410 // We might need to do class loading, which incurs a thread state change to kNative. So
1411 // register the shadow frame as under construction and allow suspension again.
Mingyao Yang1f2d3ba2015-05-18 12:12:50 -07001412 ScopedStackedShadowFramePusher pusher(
Sebastien Hertzf7958692015-06-09 14:09:14 +02001413 self, new_shadow_frame, StackedShadowFrameType::kShadowFrameUnderConstruction);
Andreas Gampe2a0d4ec2014-06-02 22:05:22 -07001414 self->EndAssertNoThreadSuspension(old_cause);
1415
Igor Murashkin9f95ba72016-02-01 14:21:25 -08001416 // ArtMethod here is needed to check type information of the call site against the callee.
1417 // Type information is retrieved from a DexFile/DexCache for that respective declared method.
1418 //
1419 // As a special case for proxy methods, which are not dex-backed,
1420 // we have to retrieve type information from the proxy's method
1421 // interface method instead (which is dex backed since proxies are never interfaces).
Andreas Gampe542451c2016-07-26 09:02:02 -07001422 ArtMethod* method =
1423 new_shadow_frame->GetMethod()->GetInterfaceMethodIfProxy(kRuntimePointerSize);
Igor Murashkin9f95ba72016-02-01 14:21:25 -08001424
Andreas Gampe2a0d4ec2014-06-02 22:05:22 -07001425 // We need to do runtime check on reference assignment. We need to load the shorty
Sebastien Hertz9ace87b2013-09-27 11:48:09 +02001426 // to get the exact type of each reference argument.
Igor Murashkin9f95ba72016-02-01 14:21:25 -08001427 const DexFile::TypeList* params = method->GetParameterTypeList();
Mathieu Chartierbfd9a432014-05-21 17:43:44 -07001428 uint32_t shorty_len = 0;
Igor Murashkin9f95ba72016-02-01 14:21:25 -08001429 const char* shorty = method->GetShorty(&shorty_len);
Sebastien Hertz9ace87b2013-09-27 11:48:09 +02001430
Sebastien Hertz9119c5f2013-12-16 11:31:45 +01001431 // Handle receiver apart since it's not part of the shorty.
1432 size_t dest_reg = first_dest_reg;
1433 size_t arg_offset = 0;
Igor Murashkin158f35c2015-06-10 15:55:30 -07001434
Igor Murashkin9f95ba72016-02-01 14:21:25 -08001435 if (!method->IsStatic()) {
Mathieu Chartierbfd9a432014-05-21 17:43:44 -07001436 size_t receiver_reg = is_range ? vregC : arg[0];
Sebastien Hertz9119c5f2013-12-16 11:31:45 +01001437 new_shadow_frame->SetVRegReference(dest_reg, shadow_frame.GetVRegReference(receiver_reg));
1438 ++dest_reg;
1439 ++arg_offset;
Igor Murashkina06b49b2015-06-25 15:18:12 -07001440 DCHECK(!string_init); // All StringFactory methods are static.
Sebastien Hertz9119c5f2013-12-16 11:31:45 +01001441 }
Igor Murashkin158f35c2015-06-10 15:55:30 -07001442
1443 // Copy the caller's invoke-* arguments into the callee's parameter registers.
Ian Rogersef7d42f2014-01-06 12:55:46 -08001444 for (uint32_t shorty_pos = 0; dest_reg < num_regs; ++shorty_pos, ++dest_reg, ++arg_offset) {
Igor Murashkina06b49b2015-06-25 15:18:12 -07001445 // Skip the 0th 'shorty' type since it represents the return type.
1446 DCHECK_LT(shorty_pos + 1, shorty_len) << "for shorty '" << shorty << "'";
Sebastien Hertz9ace87b2013-09-27 11:48:09 +02001447 const size_t src_reg = (is_range) ? vregC + arg_offset : arg[arg_offset];
1448 switch (shorty[shorty_pos + 1]) {
Igor Murashkin158f35c2015-06-10 15:55:30 -07001449 // Handle Object references. 1 virtual register slot.
Sebastien Hertz9ace87b2013-09-27 11:48:09 +02001450 case 'L': {
Mathieu Chartieref41db72016-10-25 15:08:01 -07001451 ObjPtr<mirror::Object> o = shadow_frame.GetVRegReference(src_reg);
Mathieu Chartier2cebb242015-04-21 16:50:40 -07001452 if (do_assignability_check && o != nullptr) {
Andreas Gampea5b09a62016-11-17 15:21:22 -08001453 const dex::TypeIndex type_idx = params->GetTypeItem(shorty_pos).type_idx_;
Vladimir Marko942fd312017-01-16 20:52:19 +00001454 ObjPtr<mirror::Class> arg_type = method->GetDexCache()->GetResolvedType(type_idx);
Mathieu Chartier2cebb242015-04-21 16:50:40 -07001455 if (arg_type == nullptr) {
Mathieu Chartiere22305b2016-10-26 21:04:58 -07001456 StackHandleScope<1> hs(self);
1457 // Preserve o since it is used below and GetClassFromTypeIndex may cause thread
1458 // suspension.
1459 HandleWrapperObjPtr<mirror::Object> h = hs.NewHandleWrapper(&o);
Vladimir Markob45528c2017-07-27 14:14:28 +01001460 arg_type = method->ResolveClassFromTypeIndex(type_idx);
Mathieu Chartiere22305b2016-10-26 21:04:58 -07001461 if (arg_type == nullptr) {
1462 CHECK(self->IsExceptionPending());
1463 return false;
1464 }
Sebastien Hertz9ace87b2013-09-27 11:48:09 +02001465 }
1466 if (!o->VerifierInstanceOf(arg_type)) {
1467 // This should never happen.
Ian Rogers1ff3c982014-08-12 02:30:58 -07001468 std::string temp1, temp2;
Orion Hodsonfef06642016-11-25 16:07:11 +00001469 self->ThrowNewExceptionF("Ljava/lang/InternalError;",
Sebastien Hertz9ace87b2013-09-27 11:48:09 +02001470 "Invoking %s with bad arg %d, type '%s' not instance of '%s'",
Ian Rogerse94652f2014-12-02 11:13:19 -08001471 new_shadow_frame->GetMethod()->GetName(), shorty_pos,
Ian Rogers1ff3c982014-08-12 02:30:58 -07001472 o->GetClass()->GetDescriptor(&temp1),
1473 arg_type->GetDescriptor(&temp2));
Sebastien Hertz9ace87b2013-09-27 11:48:09 +02001474 return false;
1475 }
Jeff Haoa3faaf42013-09-03 19:07:00 -07001476 }
Mathieu Chartieref41db72016-10-25 15:08:01 -07001477 new_shadow_frame->SetVRegReference(dest_reg, o.Ptr());
Sebastien Hertz9ace87b2013-09-27 11:48:09 +02001478 break;
Jeff Haoa3faaf42013-09-03 19:07:00 -07001479 }
Igor Murashkin158f35c2015-06-10 15:55:30 -07001480 // Handle doubles and longs. 2 consecutive virtual register slots.
Sebastien Hertz9ace87b2013-09-27 11:48:09 +02001481 case 'J': case 'D': {
Igor Murashkin158f35c2015-06-10 15:55:30 -07001482 uint64_t wide_value =
1483 (static_cast<uint64_t>(shadow_frame.GetVReg(src_reg + 1)) << BitSizeOf<uint32_t>()) |
1484 static_cast<uint32_t>(shadow_frame.GetVReg(src_reg));
Sebastien Hertz9ace87b2013-09-27 11:48:09 +02001485 new_shadow_frame->SetVRegLong(dest_reg, wide_value);
Igor Murashkin158f35c2015-06-10 15:55:30 -07001486 // Skip the next virtual register slot since we already used it.
Sebastien Hertz9ace87b2013-09-27 11:48:09 +02001487 ++dest_reg;
1488 ++arg_offset;
1489 break;
1490 }
Igor Murashkin158f35c2015-06-10 15:55:30 -07001491 // Handle all other primitives that are always 1 virtual register slot.
Sebastien Hertz9ace87b2013-09-27 11:48:09 +02001492 default:
1493 new_shadow_frame->SetVReg(dest_reg, shadow_frame.GetVReg(src_reg));
1494 break;
Sebastien Hertz8ece0502013-08-07 11:26:41 +02001495 }
Sebastien Hertz9ace87b2013-09-27 11:48:09 +02001496 }
1497 } else {
Sebastien Hertz9ace87b2013-09-27 11:48:09 +02001498 if (is_range) {
Narayan Kamathc3b7f1a2016-10-19 11:05:04 +01001499 DCHECK_EQ(num_regs, first_dest_reg + number_of_inputs);
Sebastien Hertz8ece0502013-08-07 11:26:41 +02001500 }
Narayan Kamathc3b7f1a2016-10-19 11:05:04 +01001501
1502 CopyRegisters<is_range>(shadow_frame,
1503 new_shadow_frame,
1504 arg,
1505 vregC,
1506 first_dest_reg,
1507 number_of_inputs);
Andreas Gampe2a0d4ec2014-06-02 22:05:22 -07001508 self->EndAssertNoThreadSuspension(old_cause);
Sebastien Hertz8ece0502013-08-07 11:26:41 +02001509 }
1510
Jeff Hao5ea84132017-05-05 16:59:29 -07001511 PerformCall(self,
1512 code_item,
1513 shadow_frame.GetMethod(),
1514 first_dest_reg,
1515 new_shadow_frame,
1516 result,
1517 use_interpreter_entrypoint);
Jeff Hao848f70a2014-01-15 13:49:50 -08001518
1519 if (string_init && !self->IsExceptionPending()) {
Mingyao Yangffedec52016-05-19 10:48:40 -07001520 SetStringInitValueToAllAliases(&shadow_frame, string_init_vreg_this, *result);
Jeff Hao848f70a2014-01-15 13:49:50 -08001521 }
1522
Sebastien Hertz8ece0502013-08-07 11:26:41 +02001523 return !self->IsExceptionPending();
1524}
1525
Igor Murashkin158f35c2015-06-10 15:55:30 -07001526template<bool is_range, bool do_assignability_check>
Igor Murashkin158f35c2015-06-10 15:55:30 -07001527bool DoCall(ArtMethod* called_method, Thread* self, ShadowFrame& shadow_frame,
1528 const Instruction* inst, uint16_t inst_data, JValue* result) {
1529 // Argument word count.
Roland Levillain4b8f1ec2015-08-26 18:34:03 +01001530 const uint16_t number_of_inputs =
1531 (is_range) ? inst->VRegA_3rc(inst_data) : inst->VRegA_35c(inst_data);
Igor Murashkin158f35c2015-06-10 15:55:30 -07001532
1533 // TODO: find a cleaner way to separate non-range and range information without duplicating
1534 // code.
Igor Murashkin6918bf12015-09-27 19:19:06 -07001535 uint32_t arg[Instruction::kMaxVarArgRegs] = {}; // only used in invoke-XXX.
Igor Murashkin158f35c2015-06-10 15:55:30 -07001536 uint32_t vregC = 0;
1537 if (is_range) {
1538 vregC = inst->VRegC_3rc();
1539 } else {
1540 vregC = inst->VRegC_35c();
1541 inst->GetVarArgs(arg, inst_data);
1542 }
1543
1544 return DoCallCommon<is_range, do_assignability_check>(
1545 called_method, self, shadow_frame,
1546 result, number_of_inputs, arg, vregC);
1547}
1548
Sebastien Hertzd2fe10a2014-01-15 10:20:56 +01001549template <bool is_range, bool do_access_check, bool transaction_active>
Mathieu Chartieref41db72016-10-25 15:08:01 -07001550bool DoFilledNewArray(const Instruction* inst,
1551 const ShadowFrame& shadow_frame,
1552 Thread* self,
1553 JValue* result) {
Sebastien Hertz8ece0502013-08-07 11:26:41 +02001554 DCHECK(inst->Opcode() == Instruction::FILLED_NEW_ARRAY ||
1555 inst->Opcode() == Instruction::FILLED_NEW_ARRAY_RANGE);
1556 const int32_t length = is_range ? inst->VRegA_3rc() : inst->VRegA_35c();
1557 if (!is_range) {
1558 // Checks FILLED_NEW_ARRAY's length does not exceed 5 arguments.
1559 CHECK_LE(length, 5);
1560 }
1561 if (UNLIKELY(length < 0)) {
1562 ThrowNegativeArraySizeException(length);
1563 return false;
1564 }
1565 uint16_t type_idx = is_range ? inst->VRegB_3rc() : inst->VRegB_35c();
Andreas Gampea5b09a62016-11-17 15:21:22 -08001566 ObjPtr<mirror::Class> array_class = ResolveVerifyAndClinit(dex::TypeIndex(type_idx),
Mathieu Chartieref41db72016-10-25 15:08:01 -07001567 shadow_frame.GetMethod(),
1568 self,
1569 false,
1570 do_access_check);
Mathieu Chartier52ea33b2015-06-18 16:48:52 -07001571 if (UNLIKELY(array_class == nullptr)) {
Sebastien Hertz8ece0502013-08-07 11:26:41 +02001572 DCHECK(self->IsExceptionPending());
1573 return false;
1574 }
Mathieu Chartier52ea33b2015-06-18 16:48:52 -07001575 CHECK(array_class->IsArrayClass());
Mathieu Chartieref41db72016-10-25 15:08:01 -07001576 ObjPtr<mirror::Class> component_class = array_class->GetComponentType();
Mathieu Chartier52ea33b2015-06-18 16:48:52 -07001577 const bool is_primitive_int_component = component_class->IsPrimitiveInt();
1578 if (UNLIKELY(component_class->IsPrimitive() && !is_primitive_int_component)) {
1579 if (component_class->IsPrimitiveLong() || component_class->IsPrimitiveDouble()) {
Sebastien Hertz8ece0502013-08-07 11:26:41 +02001580 ThrowRuntimeException("Bad filled array request for type %s",
David Sehr709b0702016-10-13 09:12:37 -07001581 component_class->PrettyDescriptor().c_str());
Sebastien Hertz8ece0502013-08-07 11:26:41 +02001582 } else {
Nicolas Geoffray0aa50ce2015-03-10 11:03:29 +00001583 self->ThrowNewExceptionF("Ljava/lang/InternalError;",
Brian Carlstrom4fa0bcd2013-12-10 11:24:21 -08001584 "Found type %s; filled-new-array not implemented for anything but 'int'",
David Sehr709b0702016-10-13 09:12:37 -07001585 component_class->PrettyDescriptor().c_str());
Sebastien Hertz8ece0502013-08-07 11:26:41 +02001586 }
1587 return false;
1588 }
Mathieu Chartieref41db72016-10-25 15:08:01 -07001589 ObjPtr<mirror::Object> new_array = mirror::Array::Alloc<true>(
1590 self,
1591 array_class,
1592 length,
1593 array_class->GetComponentSizeShift(),
1594 Runtime::Current()->GetHeap()->GetCurrentAllocator());
Mathieu Chartier52ea33b2015-06-18 16:48:52 -07001595 if (UNLIKELY(new_array == nullptr)) {
1596 self->AssertPendingOOMException();
Sebastien Hertz8ece0502013-08-07 11:26:41 +02001597 return false;
1598 }
Igor Murashkin158f35c2015-06-10 15:55:30 -07001599 uint32_t arg[Instruction::kMaxVarArgRegs]; // only used in filled-new-array.
1600 uint32_t vregC = 0; // only used in filled-new-array-range.
Sebastien Hertz8ece0502013-08-07 11:26:41 +02001601 if (is_range) {
Sebastien Hertzabff6432014-01-27 18:01:39 +01001602 vregC = inst->VRegC_3rc();
Sebastien Hertz8ece0502013-08-07 11:26:41 +02001603 } else {
Ian Rogers29a26482014-05-02 15:27:29 -07001604 inst->GetVarArgs(arg);
Sebastien Hertzabff6432014-01-27 18:01:39 +01001605 }
Sebastien Hertzabff6432014-01-27 18:01:39 +01001606 for (int32_t i = 0; i < length; ++i) {
1607 size_t src_reg = is_range ? vregC + i : arg[i];
1608 if (is_primitive_int_component) {
Mathieu Chartier52ea33b2015-06-18 16:48:52 -07001609 new_array->AsIntArray()->SetWithoutChecks<transaction_active>(
1610 i, shadow_frame.GetVReg(src_reg));
Sebastien Hertzabff6432014-01-27 18:01:39 +01001611 } else {
Mathieu Chartieref41db72016-10-25 15:08:01 -07001612 new_array->AsObjectArray<mirror::Object>()->SetWithoutChecks<transaction_active>(
Mathieu Chartier52ea33b2015-06-18 16:48:52 -07001613 i, shadow_frame.GetVRegReference(src_reg));
Sebastien Hertz8ece0502013-08-07 11:26:41 +02001614 }
1615 }
1616
Mathieu Chartier52ea33b2015-06-18 16:48:52 -07001617 result->SetL(new_array);
Sebastien Hertz8ece0502013-08-07 11:26:41 +02001618 return true;
1619}
1620
Mathieu Chartieref41db72016-10-25 15:08:01 -07001621// TODO: Use ObjPtr here.
Sebastien Hertzd2fe10a2014-01-15 10:20:56 +01001622template<typename T>
Mathieu Chartieref41db72016-10-25 15:08:01 -07001623static void RecordArrayElementsInTransactionImpl(mirror::PrimitiveArray<T>* array,
1624 int32_t count)
1625 REQUIRES_SHARED(Locks::mutator_lock_) {
Sebastien Hertzd2fe10a2014-01-15 10:20:56 +01001626 Runtime* runtime = Runtime::Current();
1627 for (int32_t i = 0; i < count; ++i) {
1628 runtime->RecordWriteArray(array, i, array->GetWithoutChecks(i));
1629 }
1630}
1631
Mathieu Chartieref41db72016-10-25 15:08:01 -07001632void RecordArrayElementsInTransaction(ObjPtr<mirror::Array> array, int32_t count)
Andreas Gampebdf7f1c2016-08-30 16:38:47 -07001633 REQUIRES_SHARED(Locks::mutator_lock_) {
Sebastien Hertzd2fe10a2014-01-15 10:20:56 +01001634 DCHECK(Runtime::Current()->IsActiveTransaction());
1635 DCHECK(array != nullptr);
1636 DCHECK_LE(count, array->GetLength());
1637 Primitive::Type primitive_component_type = array->GetClass()->GetComponentType()->GetPrimitiveType();
1638 switch (primitive_component_type) {
1639 case Primitive::kPrimBoolean:
1640 RecordArrayElementsInTransactionImpl(array->AsBooleanArray(), count);
1641 break;
1642 case Primitive::kPrimByte:
1643 RecordArrayElementsInTransactionImpl(array->AsByteArray(), count);
1644 break;
1645 case Primitive::kPrimChar:
1646 RecordArrayElementsInTransactionImpl(array->AsCharArray(), count);
1647 break;
1648 case Primitive::kPrimShort:
1649 RecordArrayElementsInTransactionImpl(array->AsShortArray(), count);
1650 break;
1651 case Primitive::kPrimInt:
Sebastien Hertzd2fe10a2014-01-15 10:20:56 +01001652 RecordArrayElementsInTransactionImpl(array->AsIntArray(), count);
1653 break;
Mathieu Chartiere401d142015-04-22 13:56:20 -07001654 case Primitive::kPrimFloat:
1655 RecordArrayElementsInTransactionImpl(array->AsFloatArray(), count);
1656 break;
Sebastien Hertzd2fe10a2014-01-15 10:20:56 +01001657 case Primitive::kPrimLong:
Sebastien Hertzd2fe10a2014-01-15 10:20:56 +01001658 RecordArrayElementsInTransactionImpl(array->AsLongArray(), count);
1659 break;
Mathieu Chartiere401d142015-04-22 13:56:20 -07001660 case Primitive::kPrimDouble:
1661 RecordArrayElementsInTransactionImpl(array->AsDoubleArray(), count);
1662 break;
Sebastien Hertzd2fe10a2014-01-15 10:20:56 +01001663 default:
1664 LOG(FATAL) << "Unsupported primitive type " << primitive_component_type
1665 << " in fill-array-data";
1666 break;
1667 }
1668}
1669
Sebastien Hertzc61124b2013-09-10 11:44:19 +02001670// Explicit DoCall template function declarations.
Sebastien Hertzc6714852013-09-30 16:42:32 +02001671#define EXPLICIT_DO_CALL_TEMPLATE_DECL(_is_range, _do_assignability_check) \
Andreas Gampebdf7f1c2016-08-30 16:38:47 -07001672 template REQUIRES_SHARED(Locks::mutator_lock_) \
Sebastien Hertz9119c5f2013-12-16 11:31:45 +01001673 bool DoCall<_is_range, _do_assignability_check>(ArtMethod* method, Thread* self, \
1674 ShadowFrame& shadow_frame, \
Sebastien Hertzc6714852013-09-30 16:42:32 +02001675 const Instruction* inst, uint16_t inst_data, \
1676 JValue* result)
Sebastien Hertzc61124b2013-09-10 11:44:19 +02001677EXPLICIT_DO_CALL_TEMPLATE_DECL(false, false);
1678EXPLICIT_DO_CALL_TEMPLATE_DECL(false, true);
1679EXPLICIT_DO_CALL_TEMPLATE_DECL(true, false);
1680EXPLICIT_DO_CALL_TEMPLATE_DECL(true, true);
1681#undef EXPLICIT_DO_CALL_TEMPLATE_DECL
Sebastien Hertz8ece0502013-08-07 11:26:41 +02001682
Orion Hodsonc069a302017-01-18 09:23:12 +00001683// Explicit DoInvokePolymorphic template function declarations.
1684#define EXPLICIT_DO_INVOKE_POLYMORPHIC_TEMPLATE_DECL(_is_range) \
1685 template REQUIRES_SHARED(Locks::mutator_lock_) \
1686 bool DoInvokePolymorphic<_is_range>( \
1687 Thread* self, ShadowFrame& shadow_frame, const Instruction* inst, \
1688 uint16_t inst_data, JValue* result)
1689EXPLICIT_DO_INVOKE_POLYMORPHIC_TEMPLATE_DECL(false);
1690EXPLICIT_DO_INVOKE_POLYMORPHIC_TEMPLATE_DECL(true);
Narayan Kamath9823e782016-08-03 12:46:58 +01001691#undef EXPLICIT_DO_INVOKE_POLYMORPHIC_TEMPLATE_DECL
1692
Orion Hodson43f0cdb2017-10-10 14:47:32 +01001693// Explicit DoInvokeCustom template function declarations.
1694#define EXPLICIT_DO_INVOKE_CUSTOM_TEMPLATE_DECL(_is_range) \
1695 template REQUIRES_SHARED(Locks::mutator_lock_) \
1696 bool DoInvokeCustom<_is_range>( \
1697 Thread* self, ShadowFrame& shadow_frame, const Instruction* inst, \
1698 uint16_t inst_data, JValue* result)
1699EXPLICIT_DO_INVOKE_CUSTOM_TEMPLATE_DECL(false);
1700EXPLICIT_DO_INVOKE_CUSTOM_TEMPLATE_DECL(true);
1701#undef EXPLICIT_DO_INVOKE_CUSTOM_TEMPLATE_DECL
1702
Sebastien Hertz8ece0502013-08-07 11:26:41 +02001703// Explicit DoFilledNewArray template function declarations.
Sebastien Hertzd2fe10a2014-01-15 10:20:56 +01001704#define EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(_is_range_, _check, _transaction_active) \
Andreas Gampebdf7f1c2016-08-30 16:38:47 -07001705 template REQUIRES_SHARED(Locks::mutator_lock_) \
Sebastien Hertzd2fe10a2014-01-15 10:20:56 +01001706 bool DoFilledNewArray<_is_range_, _check, _transaction_active>(const Instruction* inst, \
1707 const ShadowFrame& shadow_frame, \
1708 Thread* self, JValue* result)
1709#define EXPLICIT_DO_FILLED_NEW_ARRAY_ALL_TEMPLATE_DECL(_transaction_active) \
1710 EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(false, false, _transaction_active); \
1711 EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(false, true, _transaction_active); \
1712 EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(true, false, _transaction_active); \
1713 EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(true, true, _transaction_active)
1714EXPLICIT_DO_FILLED_NEW_ARRAY_ALL_TEMPLATE_DECL(false);
1715EXPLICIT_DO_FILLED_NEW_ARRAY_ALL_TEMPLATE_DECL(true);
1716#undef EXPLICIT_DO_FILLED_NEW_ARRAY_ALL_TEMPLATE_DECL
Sebastien Hertz8ece0502013-08-07 11:26:41 +02001717#undef EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL
1718
1719} // namespace interpreter
1720} // namespace art