entrypoints_init_arm.cc revision 88474b416eb257078e590bf9bc7957cee604a186 
1/*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "entrypoints/interpreter/interpreter_entrypoints.h"
18#include "entrypoints/portable/portable_entrypoints.h"
19#include "entrypoints/quick/quick_entrypoints.h"
20#include "entrypoints/entrypoint_utils.h"
21#include "entrypoints/math_entrypoints.h"
22
23namespace art {
24
25// Interpreter entrypoints.
26extern "C" void artInterpreterToInterpreterBridge(Thread* self, MethodHelper& mh,
27                                                 const DexFile::CodeItem* code_item,
28                                                 ShadowFrame* shadow_frame, JValue* result);
29extern "C" void artInterpreterToCompiledCodeBridge(Thread* self, MethodHelper& mh,
30                                           const DexFile::CodeItem* code_item,
31                                           ShadowFrame* shadow_frame, JValue* result);
32
33// Portable entrypoints.
34extern "C" void art_portable_resolution_trampoline(mirror::ArtMethod*);
35extern "C" void art_portable_to_interpreter_bridge(mirror::ArtMethod*);
36
37// Alloc entrypoints.
38extern "C" void* art_quick_alloc_array(uint32_t, void*, int32_t);
39extern "C" void* art_quick_alloc_array_with_access_check(uint32_t, void*, int32_t);
40extern "C" void* art_quick_alloc_object(uint32_t type_idx, void* method);
41extern "C" void* art_quick_alloc_object_with_access_check(uint32_t type_idx, void* method);
42extern "C" void* art_quick_check_and_alloc_array(uint32_t, void*, int32_t);
43extern "C" void* art_quick_check_and_alloc_array_with_access_check(uint32_t, void*, int32_t);
44
45extern "C" void* art_quick_alloc_array_instrumented(uint32_t, void*, int32_t);
46extern "C" void* art_quick_alloc_array_with_access_check_instrumented(uint32_t, void*, int32_t);
47extern "C" void* art_quick_alloc_object_instrumented(uint32_t type_idx, void* method);
48extern "C" void* art_quick_alloc_object_with_access_check_instrumented(uint32_t type_idx, void* method);
49extern "C" void* art_quick_check_and_alloc_array_instrumented(uint32_t, void*, int32_t);
50extern "C" void* art_quick_check_and_alloc_array_with_access_check_instrumented(uint32_t, void*, int32_t);
51
52// Cast entrypoints.
53extern "C" uint32_t artIsAssignableFromCode(const mirror::Class* klass,
54                                            const mirror::Class* ref_class);
55extern "C" void art_quick_check_cast(void*, void*);
56
57// DexCache entrypoints.
58extern "C" void* art_quick_initialize_static_storage(uint32_t, void*);
59extern "C" void* art_quick_initialize_type(uint32_t, void*);
60extern "C" void* art_quick_initialize_type_and_verify_access(uint32_t, void*);
61extern "C" void* art_quick_resolve_string(void*, uint32_t);
62
63// Exception entrypoints.
64extern "C" void* GetAndClearException(Thread*);
65
66// Field entrypoints.
67extern "C" int art_quick_set32_instance(uint32_t, void*, int32_t);
68extern "C" int art_quick_set32_static(uint32_t, int32_t);
69extern "C" int art_quick_set64_instance(uint32_t, void*, int64_t);
70extern "C" int art_quick_set64_static(uint32_t, int64_t);
71extern "C" int art_quick_set_obj_instance(uint32_t, void*, void*);
72extern "C" int art_quick_set_obj_static(uint32_t, void*);
73extern "C" int32_t art_quick_get32_instance(uint32_t, void*);
74extern "C" int32_t art_quick_get32_static(uint32_t);
75extern "C" int64_t art_quick_get64_instance(uint32_t, void*);
76extern "C" int64_t art_quick_get64_static(uint32_t);
77extern "C" void* art_quick_get_obj_instance(uint32_t, void*);
78extern "C" void* art_quick_get_obj_static(uint32_t);
79
80// Array entrypoints.
81extern "C" void art_quick_aput_obj_with_null_and_bound_check(void*, uint32_t, void*);
82extern "C" void art_quick_aput_obj_with_bound_check(void*, uint32_t, void*);
83extern "C" void art_quick_aput_obj(void*, uint32_t, void*);
84extern "C" void art_quick_handle_fill_data(void*, void*);
85
86// Lock entrypoints.
87extern "C" void art_quick_lock_object(void*);
88extern "C" void art_quick_unlock_object(void*);
89
90// Math entrypoints.
91extern int32_t CmpgDouble(double a, double b);
92extern int32_t CmplDouble(double a, double b);
93extern int32_t CmpgFloat(float a, float b);
94extern int32_t CmplFloat(float a, float b);
95
96// Math conversions.
97extern "C" int32_t __aeabi_f2iz(float op1);        // FLOAT_TO_INT
98extern "C" int32_t __aeabi_d2iz(double op1);       // DOUBLE_TO_INT
99extern "C" float __aeabi_l2f(int64_t op1);         // LONG_TO_FLOAT
100extern "C" double __aeabi_l2d(int64_t op1);        // LONG_TO_DOUBLE
101
102// Single-precision FP arithmetics.
103extern "C" float fmodf(float a, float b);          // REM_FLOAT[_2ADDR]
104
105// Double-precision FP arithmetics.
106extern "C" double fmod(double a, double b);         // REM_DOUBLE[_2ADDR]
107
108// Integer arithmetics.
109extern "C" int __aeabi_idivmod(int32_t, int32_t);  // [DIV|REM]_INT[_2ADDR|_LIT8|_LIT16]
110
111// Long long arithmetics - REM_LONG[_2ADDR] and DIV_LONG[_2ADDR]
112extern "C" int64_t __aeabi_ldivmod(int64_t, int64_t);
113extern "C" int64_t art_quick_mul_long(int64_t, int64_t);
114extern "C" uint64_t art_quick_shl_long(uint64_t, uint32_t);
115extern "C" uint64_t art_quick_shr_long(uint64_t, uint32_t);
116extern "C" uint64_t art_quick_ushr_long(uint64_t, uint32_t);
117
118// Intrinsic entrypoints.
119extern "C" int32_t __memcmp16(void*, void*, int32_t);
120extern "C" int32_t art_quick_indexof(void*, uint32_t, uint32_t, uint32_t);
121extern "C" int32_t art_quick_string_compareto(void*, void*);
122
123// Invoke entrypoints.
124extern "C" void art_quick_imt_conflict_trampoline(mirror::ArtMethod*);
125extern "C" void art_quick_resolution_trampoline(mirror::ArtMethod*);
126extern "C" void art_quick_to_interpreter_bridge(mirror::ArtMethod*);
127extern "C" void art_quick_invoke_direct_trampoline_with_access_check(uint32_t, void*);
128extern "C" void art_quick_invoke_interface_trampoline_with_access_check(uint32_t, void*);
129extern "C" void art_quick_invoke_static_trampoline_with_access_check(uint32_t, void*);
130extern "C" void art_quick_invoke_super_trampoline_with_access_check(uint32_t, void*);
131extern "C" void art_quick_invoke_virtual_trampoline_with_access_check(uint32_t, void*);
132
133// Thread entrypoints.
134extern void CheckSuspendFromCode(Thread* thread);
135extern "C" void art_quick_test_suspend();
136
137// Throw entrypoints.
138extern "C" void art_quick_deliver_exception(void*);
139extern "C" void art_quick_throw_array_bounds(int32_t index, int32_t limit);
140extern "C" void art_quick_throw_div_zero();
141extern "C" void art_quick_throw_no_such_method(int32_t method_idx);
142extern "C" void art_quick_throw_null_pointer_exception();
143extern "C" void art_quick_throw_stack_overflow(void*);
144
145static bool quick_alloc_entry_points_instrumented = false;
146
147void SetQuickAllocEntryPointsInstrumented(bool instrumented) {
148  quick_alloc_entry_points_instrumented = instrumented;
149}
150
151void ResetQuickAllocEntryPoints(QuickEntryPoints* qpoints) {
152  if (quick_alloc_entry_points_instrumented) {
153    qpoints->pAllocArray = art_quick_alloc_array_instrumented;
154    qpoints->pAllocArrayWithAccessCheck = art_quick_alloc_array_with_access_check_instrumented;
155    qpoints->pAllocObject = art_quick_alloc_object_instrumented;
156    qpoints->pAllocObjectWithAccessCheck = art_quick_alloc_object_with_access_check_instrumented;
157    qpoints->pCheckAndAllocArray = art_quick_check_and_alloc_array_instrumented;
158    qpoints->pCheckAndAllocArrayWithAccessCheck = art_quick_check_and_alloc_array_with_access_check_instrumented;
159  } else {
160    qpoints->pAllocArray = art_quick_alloc_array;
161    qpoints->pAllocArrayWithAccessCheck = art_quick_alloc_array_with_access_check;
162    qpoints->pAllocObject = art_quick_alloc_object;
163    qpoints->pAllocObjectWithAccessCheck = art_quick_alloc_object_with_access_check;
164    qpoints->pCheckAndAllocArray = art_quick_check_and_alloc_array;
165    qpoints->pCheckAndAllocArrayWithAccessCheck = art_quick_check_and_alloc_array_with_access_check;
166  }
167}
168
169void InitEntryPoints(InterpreterEntryPoints* ipoints, JniEntryPoints* jpoints,
170                     PortableEntryPoints* ppoints, QuickEntryPoints* qpoints) {
171  // Interpreter
172  ipoints->pInterpreterToInterpreterBridge = artInterpreterToInterpreterBridge;
173  ipoints->pInterpreterToCompiledCodeBridge = artInterpreterToCompiledCodeBridge;
174
175  // JNI
176  jpoints->pDlsymLookup = art_jni_dlsym_lookup_stub;
177
178  // Portable
179  ppoints->pPortableResolutionTrampoline = art_portable_resolution_trampoline;
180  ppoints->pPortableToInterpreterBridge = art_portable_to_interpreter_bridge;
181
182  // Alloc
183  ResetQuickAllocEntryPoints(qpoints);
184
185  // Cast
186  qpoints->pInstanceofNonTrivial = artIsAssignableFromCode;
187  qpoints->pCheckCast = art_quick_check_cast;
188
189  // DexCache
190  qpoints->pInitializeStaticStorage = art_quick_initialize_static_storage;
191  qpoints->pInitializeTypeAndVerifyAccess = art_quick_initialize_type_and_verify_access;
192  qpoints->pInitializeType = art_quick_initialize_type;
193  qpoints->pResolveString = art_quick_resolve_string;
194
195  // Field
196  qpoints->pSet32Instance = art_quick_set32_instance;
197  qpoints->pSet32Static = art_quick_set32_static;
198  qpoints->pSet64Instance = art_quick_set64_instance;
199  qpoints->pSet64Static = art_quick_set64_static;
200  qpoints->pSetObjInstance = art_quick_set_obj_instance;
201  qpoints->pSetObjStatic = art_quick_set_obj_static;
202  qpoints->pGet32Instance = art_quick_get32_instance;
203  qpoints->pGet64Instance = art_quick_get64_instance;
204  qpoints->pGetObjInstance = art_quick_get_obj_instance;
205  qpoints->pGet32Static = art_quick_get32_static;
206  qpoints->pGet64Static = art_quick_get64_static;
207  qpoints->pGetObjStatic = art_quick_get_obj_static;
208
209  // Array
210  qpoints->pAputObjectWithNullAndBoundCheck = art_quick_aput_obj_with_null_and_bound_check;
211  qpoints->pAputObjectWithBoundCheck = art_quick_aput_obj_with_bound_check;
212  qpoints->pAputObject = art_quick_aput_obj;
213  qpoints->pHandleFillArrayData = art_quick_handle_fill_data;
214
215  // JNI
216  qpoints->pJniMethodStart = JniMethodStart;
217  qpoints->pJniMethodStartSynchronized = JniMethodStartSynchronized;
218  qpoints->pJniMethodEnd = JniMethodEnd;
219  qpoints->pJniMethodEndSynchronized = JniMethodEndSynchronized;
220  qpoints->pJniMethodEndWithReference = JniMethodEndWithReference;
221  qpoints->pJniMethodEndWithReferenceSynchronized = JniMethodEndWithReferenceSynchronized;
222
223  // Locks
224  qpoints->pLockObject = art_quick_lock_object;
225  qpoints->pUnlockObject = art_quick_unlock_object;
226
227  // Math
228  qpoints->pCmpgDouble = CmpgDouble;
229  qpoints->pCmpgFloat = CmpgFloat;
230  qpoints->pCmplDouble = CmplDouble;
231  qpoints->pCmplFloat = CmplFloat;
232  qpoints->pFmod = fmod;
233  qpoints->pSqrt = sqrt;
234  qpoints->pL2d = __aeabi_l2d;
235  qpoints->pFmodf = fmodf;
236  qpoints->pL2f = __aeabi_l2f;
237  qpoints->pD2iz = __aeabi_d2iz;
238  qpoints->pF2iz = __aeabi_f2iz;
239  qpoints->pIdivmod = __aeabi_idivmod;
240  qpoints->pD2l = art_d2l;
241  qpoints->pF2l = art_f2l;
242  qpoints->pLdiv = __aeabi_ldivmod;
243  qpoints->pLmod = __aeabi_ldivmod;  // result returned in r2:r3
244  qpoints->pLmul = art_quick_mul_long;
245  qpoints->pShlLong = art_quick_shl_long;
246  qpoints->pShrLong = art_quick_shr_long;
247  qpoints->pUshrLong = art_quick_ushr_long;
248
249  // Intrinsics
250  qpoints->pIndexOf = art_quick_indexof;
251  qpoints->pMemcmp16 = __memcmp16;
252  qpoints->pStringCompareTo = art_quick_string_compareto;
253  qpoints->pMemcpy = memcpy;
254
255  // Invocation
256  qpoints->pQuickImtConflictTrampoline = art_quick_imt_conflict_trampoline;
257  qpoints->pQuickResolutionTrampoline = art_quick_resolution_trampoline;
258  qpoints->pQuickToInterpreterBridge = art_quick_to_interpreter_bridge;
259  qpoints->pInvokeDirectTrampolineWithAccessCheck = art_quick_invoke_direct_trampoline_with_access_check;
260  qpoints->pInvokeInterfaceTrampolineWithAccessCheck = art_quick_invoke_interface_trampoline_with_access_check;
261  qpoints->pInvokeStaticTrampolineWithAccessCheck = art_quick_invoke_static_trampoline_with_access_check;
262  qpoints->pInvokeSuperTrampolineWithAccessCheck = art_quick_invoke_super_trampoline_with_access_check;
263  qpoints->pInvokeVirtualTrampolineWithAccessCheck = art_quick_invoke_virtual_trampoline_with_access_check;
264
265  // Thread
266  qpoints->pCheckSuspend = CheckSuspendFromCode;
267  qpoints->pTestSuspend = art_quick_test_suspend;
268
269  // Throws
270  qpoints->pDeliverException = art_quick_deliver_exception;
271  qpoints->pThrowArrayBounds = art_quick_throw_array_bounds;
272  qpoints->pThrowDivZero = art_quick_throw_div_zero;
273  qpoints->pThrowNoSuchMethod = art_quick_throw_no_such_method;
274  qpoints->pThrowNullPointer = art_quick_throw_null_pointer_exception;
275  qpoints->pThrowStackOverflow = art_quick_throw_stack_overflow;
276};
277
278}  // namespace art
279