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/jni/jni_entrypoints.h"
19 #include "entrypoints/portable/portable_entrypoints.h"
20 #include "entrypoints/quick/quick_alloc_entrypoints.h"
21 #include "entrypoints/quick/quick_entrypoints.h"
22 #include "entrypoints/entrypoint_utils.h"
23 
24 namespace art {
25 
26 // Interpreter entrypoints.
27 extern "C" void artInterpreterToInterpreterBridge(Thread* self, MethodHelper& mh,
28                                                   const DexFile::CodeItem* code_item,
29                                                   ShadowFrame* shadow_frame, JValue* result);
30 extern "C" void artInterpreterToCompiledCodeBridge(Thread* self, MethodHelper& mh,
31                                            const DexFile::CodeItem* code_item,
32                                            ShadowFrame* shadow_frame, JValue* result);
33 
34 // Portable entrypoints.
35 extern "C" void art_portable_resolution_trampoline(mirror::ArtMethod*);
36 extern "C" void art_portable_to_interpreter_bridge(mirror::ArtMethod*);
37 
38 // Cast entrypoints.
39 extern "C" uint32_t art_quick_is_assignable(const mirror::Class* klass,
40                                                 const mirror::Class* ref_class);
41 extern "C" void art_quick_check_cast(void*, void*);
42 
43 // DexCache entrypoints.
44 extern "C" void* art_quick_initialize_static_storage(uint32_t, void*);
45 extern "C" void* art_quick_initialize_type(uint32_t, void*);
46 extern "C" void* art_quick_initialize_type_and_verify_access(uint32_t, void*);
47 extern "C" void* art_quick_resolve_string(void*, uint32_t);
48 
49 // Field entrypoints.
50 extern "C" int art_quick_set32_instance(uint32_t, void*, int32_t);
51 extern "C" int art_quick_set32_static(uint32_t, int32_t);
52 extern "C" int art_quick_set64_instance(uint32_t, void*, int64_t);
53 extern "C" int art_quick_set64_static(uint32_t, int64_t);
54 extern "C" int art_quick_set_obj_instance(uint32_t, void*, void*);
55 extern "C" int art_quick_set_obj_static(uint32_t, void*);
56 extern "C" int32_t art_quick_get32_instance(uint32_t, void*);
57 extern "C" int32_t art_quick_get32_static(uint32_t);
58 extern "C" int64_t art_quick_get64_instance(uint32_t, void*);
59 extern "C" int64_t art_quick_get64_static(uint32_t);
60 extern "C" void* art_quick_get_obj_instance(uint32_t, void*);
61 extern "C" void* art_quick_get_obj_static(uint32_t);
62 
63 // Array entrypoints.
64 extern "C" void art_quick_aput_obj_with_null_and_bound_check(void*, uint32_t, void*);
65 extern "C" void art_quick_aput_obj_with_bound_check(void*, uint32_t, void*);
66 extern "C" void art_quick_aput_obj(void*, uint32_t, void*);
67 extern "C" void art_quick_handle_fill_data(void*, void*);
68 
69 // Lock entrypoints.
70 extern "C" void art_quick_lock_object(void*);
71 extern "C" void art_quick_unlock_object(void*);
72 
73 // Math entrypoints.
74 extern "C" int64_t art_quick_d2l(double);
75 extern "C" int64_t art_quick_f2l(float);
76 extern "C" int64_t art_quick_ldiv(int64_t, int64_t);
77 extern "C" int64_t art_quick_lmod(int64_t, int64_t);
78 extern "C" int64_t art_quick_lmul(int64_t, int64_t);
79 extern "C" uint64_t art_quick_lshl(uint64_t, uint32_t);
80 extern "C" uint64_t art_quick_lshr(uint64_t, uint32_t);
81 extern "C" uint64_t art_quick_lushr(uint64_t, uint32_t);
82 
83 // Intrinsic entrypoints.
84 extern "C" int32_t art_quick_string_compareto(void*, void*);
85 extern "C" void* art_quick_memcpy(void*, const void*, size_t);
86 
87 // Invoke entrypoints.
88 extern "C" void art_quick_imt_conflict_trampoline(mirror::ArtMethod*);
89 extern "C" void art_quick_resolution_trampoline(mirror::ArtMethod*);
90 extern "C" void art_quick_to_interpreter_bridge(mirror::ArtMethod*);
91 extern "C" void art_quick_invoke_direct_trampoline_with_access_check(uint32_t, void*);
92 extern "C" void art_quick_invoke_interface_trampoline_with_access_check(uint32_t, void*);
93 extern "C" void art_quick_invoke_static_trampoline_with_access_check(uint32_t, void*);
94 extern "C" void art_quick_invoke_super_trampoline_with_access_check(uint32_t, void*);
95 extern "C" void art_quick_invoke_virtual_trampoline_with_access_check(uint32_t, void*);
96 
97 // Thread entrypoints.
98 extern "C" void art_quick_test_suspend();
99 
100 // Throw entrypoints.
101 extern "C" void art_quick_deliver_exception(void*);
102 extern "C" void art_quick_throw_array_bounds(int32_t index, int32_t limit);
103 extern "C" void art_quick_throw_div_zero();
104 extern "C" void art_quick_throw_no_such_method(int32_t method_idx);
105 extern "C" void art_quick_throw_null_pointer_exception();
106 extern "C" void art_quick_throw_stack_overflow(void*);
107 
108 // Generic JNI downcall
109 extern "C" void art_quick_generic_jni_trampoline(mirror::ArtMethod*);
110 
111 extern void ResetQuickAllocEntryPoints(QuickEntryPoints* qpoints);
112 
InitEntryPoints(InterpreterEntryPoints * ipoints,JniEntryPoints * jpoints,PortableEntryPoints * ppoints,QuickEntryPoints * qpoints)113 void InitEntryPoints(InterpreterEntryPoints* ipoints, JniEntryPoints* jpoints,
114                      PortableEntryPoints* ppoints, QuickEntryPoints* qpoints) {
115   // Interpreter
116   ipoints->pInterpreterToInterpreterBridge = artInterpreterToInterpreterBridge;
117   ipoints->pInterpreterToCompiledCodeBridge = artInterpreterToCompiledCodeBridge;
118 
119   // JNI
120   jpoints->pDlsymLookup = art_jni_dlsym_lookup_stub;
121 
122   // Portable
123   ppoints->pPortableResolutionTrampoline = art_portable_resolution_trampoline;
124   ppoints->pPortableToInterpreterBridge = art_portable_to_interpreter_bridge;
125 
126   // Alloc
127   ResetQuickAllocEntryPoints(qpoints);
128 
129   // Cast
130   qpoints->pInstanceofNonTrivial = art_quick_is_assignable;
131   qpoints->pCheckCast = art_quick_check_cast;
132 
133   // DexCache
134   qpoints->pInitializeStaticStorage = art_quick_initialize_static_storage;
135   qpoints->pInitializeTypeAndVerifyAccess = art_quick_initialize_type_and_verify_access;
136   qpoints->pInitializeType = art_quick_initialize_type;
137   qpoints->pResolveString = art_quick_resolve_string;
138 
139   // Field
140   qpoints->pSet32Instance = art_quick_set32_instance;
141   qpoints->pSet32Static = art_quick_set32_static;
142   qpoints->pSet64Instance = art_quick_set64_instance;
143   qpoints->pSet64Static = art_quick_set64_static;
144   qpoints->pSetObjInstance = art_quick_set_obj_instance;
145   qpoints->pSetObjStatic = art_quick_set_obj_static;
146   qpoints->pGet32Instance = art_quick_get32_instance;
147   qpoints->pGet64Instance = art_quick_get64_instance;
148   qpoints->pGetObjInstance = art_quick_get_obj_instance;
149   qpoints->pGet32Static = art_quick_get32_static;
150   qpoints->pGet64Static = art_quick_get64_static;
151   qpoints->pGetObjStatic = art_quick_get_obj_static;
152 
153   // Array
154   qpoints->pAputObjectWithNullAndBoundCheck = art_quick_aput_obj_with_null_and_bound_check;
155   qpoints->pAputObjectWithBoundCheck = art_quick_aput_obj_with_bound_check;
156   qpoints->pAputObject = art_quick_aput_obj;
157   qpoints->pHandleFillArrayData = art_quick_handle_fill_data;
158 
159   // JNI
160   qpoints->pJniMethodStart = JniMethodStart;
161   qpoints->pJniMethodStartSynchronized = JniMethodStartSynchronized;
162   qpoints->pJniMethodEnd = JniMethodEnd;
163   qpoints->pJniMethodEndSynchronized = JniMethodEndSynchronized;
164   qpoints->pJniMethodEndWithReference = JniMethodEndWithReference;
165   qpoints->pJniMethodEndWithReferenceSynchronized = JniMethodEndWithReferenceSynchronized;
166   qpoints->pQuickGenericJniTrampoline = art_quick_generic_jni_trampoline;
167 
168   // Locks
169   qpoints->pLockObject = art_quick_lock_object;
170   qpoints->pUnlockObject = art_quick_unlock_object;
171 
172   // Math
173   // points->pCmpgDouble = NULL;  // Not needed on x86.
174   // points->pCmpgFloat = NULL;  // Not needed on x86.
175   // points->pCmplDouble = NULL;  // Not needed on x86.
176   // points->pCmplFloat = NULL;  // Not needed on x86.
177   // qpoints->pFmod = NULL;  // Not needed on x86.
178   // qpoints->pL2d = NULL;  // Not needed on x86.
179   // qpoints->pFmodf = NULL;  // Not needed on x86.
180   // qpoints->pL2f = NULL;  // Not needed on x86.
181   // points->pD2iz = NULL;  // Not needed on x86.
182   // points->pF2iz = NULL;  // Not needed on x86.
183   // qpoints->pIdivmod = NULL;  // Not needed on x86.
184   qpoints->pD2l = art_quick_d2l;
185   qpoints->pF2l = art_quick_f2l;
186   qpoints->pLdiv = art_quick_ldiv;
187   qpoints->pLmod = art_quick_lmod;
188   qpoints->pLmul = art_quick_lmul;
189   qpoints->pShlLong = art_quick_lshl;
190   qpoints->pShrLong = art_quick_lshr;
191   qpoints->pUshrLong = art_quick_lushr;
192 
193   // Intrinsics
194   // qpoints->pIndexOf = nullptr;  // Not needed on x86
195   qpoints->pStringCompareTo = art_quick_string_compareto;
196   qpoints->pMemcpy = art_quick_memcpy;
197 
198   // Invocation
199   qpoints->pQuickImtConflictTrampoline = art_quick_imt_conflict_trampoline;
200   qpoints->pQuickResolutionTrampoline = art_quick_resolution_trampoline;
201   qpoints->pQuickToInterpreterBridge = art_quick_to_interpreter_bridge;
202   qpoints->pInvokeDirectTrampolineWithAccessCheck = art_quick_invoke_direct_trampoline_with_access_check;
203   qpoints->pInvokeInterfaceTrampolineWithAccessCheck = art_quick_invoke_interface_trampoline_with_access_check;
204   qpoints->pInvokeStaticTrampolineWithAccessCheck = art_quick_invoke_static_trampoline_with_access_check;
205   qpoints->pInvokeSuperTrampolineWithAccessCheck = art_quick_invoke_super_trampoline_with_access_check;
206   qpoints->pInvokeVirtualTrampolineWithAccessCheck = art_quick_invoke_virtual_trampoline_with_access_check;
207 
208   // Thread
209   qpoints->pTestSuspend = art_quick_test_suspend;
210 
211   // Throws
212   qpoints->pDeliverException = art_quick_deliver_exception;
213   qpoints->pThrowArrayBounds = art_quick_throw_array_bounds;
214   qpoints->pThrowDivZero = art_quick_throw_div_zero;
215   qpoints->pThrowNoSuchMethod = art_quick_throw_no_such_method;
216   qpoints->pThrowNullPointer = art_quick_throw_null_pointer_exception;
217   qpoints->pThrowStackOverflow = art_quick_throw_stack_overflow;
218 };
219 
220 }  // namespace art
221