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 #include "entrypoints/math_entrypoints.h"
24 
25 namespace art {
26 
27 // Interpreter entrypoints.
28 extern "C" void artInterpreterToInterpreterBridge(Thread* self, MethodHelper& mh,
29                                                   const DexFile::CodeItem* code_item,
30                                                   ShadowFrame* shadow_frame, JValue* result);
31 extern "C" void artInterpreterToCompiledCodeBridge(Thread* self, MethodHelper& mh,
32                                                    const DexFile::CodeItem* code_item,
33                                                    ShadowFrame* shadow_frame, JValue* result);
34 
35 // Portable entrypoints.
36 extern "C" void art_portable_resolution_trampoline(mirror::ArtMethod*);
37 extern "C" void art_portable_to_interpreter_bridge(mirror::ArtMethod*);
38 
39 // Cast entrypoints.
40 extern "C" uint32_t art_quick_assignable_from_code(const mirror::Class* klass,
41                                             const mirror::Class* ref_class);
42 extern "C" void art_quick_check_cast(void*, void*);
43 
44 // DexCache entrypoints.
45 extern "C" void* art_quick_initialize_static_storage(uint32_t, void*);
46 extern "C" void* art_quick_initialize_type(uint32_t, void*);
47 extern "C" void* art_quick_initialize_type_and_verify_access(uint32_t, void*);
48 extern "C" void* art_quick_resolve_string(void*, uint32_t);
49 
50 // Field entrypoints.
51 extern "C" int art_quick_set32_instance(uint32_t, void*, int32_t);
52 extern "C" int art_quick_set32_static(uint32_t, int32_t);
53 extern "C" int art_quick_set64_instance(uint32_t, void*, int64_t);
54 extern "C" int art_quick_set64_static(uint32_t, int64_t);
55 extern "C" int art_quick_set_obj_instance(uint32_t, void*, void*);
56 extern "C" int art_quick_set_obj_static(uint32_t, void*);
57 extern "C" int32_t art_quick_get32_instance(uint32_t, void*);
58 extern "C" int32_t art_quick_get32_static(uint32_t);
59 extern "C" int64_t art_quick_get64_instance(uint32_t, void*);
60 extern "C" int64_t art_quick_get64_static(uint32_t);
61 extern "C" void* art_quick_get_obj_instance(uint32_t, void*);
62 extern "C" void* art_quick_get_obj_static(uint32_t);
63 
64 // Array entrypoints.
65 extern "C" void art_quick_aput_obj_with_null_and_bound_check(void*, uint32_t, void*);
66 extern "C" void art_quick_aput_obj_with_bound_check(void*, uint32_t, void*);
67 extern "C" void art_quick_aput_obj(void*, uint32_t, void*);
68 extern "C" void art_quick_handle_fill_data(void*, void*);
69 
70 // Lock entrypoints.
71 extern "C" void art_quick_lock_object(void*);
72 extern "C" void art_quick_unlock_object(void*);
73 
74 // Math entrypoints.
75 extern "C" int64_t art_quick_d2l(double);
76 extern "C" int64_t art_quick_f2l(float);
77 extern "C" int64_t art_quick_ldiv(int64_t, int64_t);
78 extern "C" int64_t art_quick_lmod(int64_t, int64_t);
79 extern "C" int64_t art_quick_lmul(int64_t, int64_t);
80 extern "C" uint64_t art_quick_lshl(uint64_t, uint32_t);
81 extern "C" uint64_t art_quick_lshr(uint64_t, uint32_t);
82 extern "C" uint64_t art_quick_lushr(uint64_t, uint32_t);
83 
84 // Intrinsic entrypoints.
85 extern "C" int32_t art_quick_string_compareto(void*, void*);
86 extern "C" void* art_quick_memcpy(void*, const void*, size_t);
87 
88 // Invoke entrypoints.
89 extern "C" void art_quick_imt_conflict_trampoline(mirror::ArtMethod*);
90 extern "C" void art_quick_resolution_trampoline(mirror::ArtMethod*);
91 extern "C" void art_quick_to_interpreter_bridge(mirror::ArtMethod*);
92 extern "C" void art_quick_invoke_direct_trampoline_with_access_check(uint32_t, void*);
93 extern "C" void art_quick_invoke_interface_trampoline_with_access_check(uint32_t, void*);
94 extern "C" void art_quick_invoke_static_trampoline_with_access_check(uint32_t, void*);
95 extern "C" void art_quick_invoke_super_trampoline_with_access_check(uint32_t, void*);
96 extern "C" void art_quick_invoke_virtual_trampoline_with_access_check(uint32_t, void*);
97 
98 // Thread entrypoints.
99 extern "C" void art_quick_test_suspend();
100 
101 // Throw entrypoints.
102 extern "C" void art_quick_deliver_exception(void*);
103 extern "C" void art_quick_throw_array_bounds(int32_t index, int32_t limit);
104 extern "C" void art_quick_throw_div_zero();
105 extern "C" void art_quick_throw_no_such_method(int32_t method_idx);
106 extern "C" void art_quick_throw_null_pointer_exception();
107 extern "C" void art_quick_throw_stack_overflow(void*);
108 
109 // Generic JNI entrypoint
110 extern "C" void art_quick_generic_jni_trampoline(mirror::ArtMethod*);
111 
112 extern void ResetQuickAllocEntryPoints(QuickEntryPoints* qpoints);
113 
InitEntryPoints(InterpreterEntryPoints * ipoints,JniEntryPoints * jpoints,PortableEntryPoints * ppoints,QuickEntryPoints * qpoints)114 void InitEntryPoints(InterpreterEntryPoints* ipoints, JniEntryPoints* jpoints,
115                      PortableEntryPoints* ppoints, QuickEntryPoints* qpoints) {
116 #if defined(__APPLE__)
117   UNIMPLEMENTED(FATAL);
118 #else
119   // Interpreter
120   ipoints->pInterpreterToInterpreterBridge = artInterpreterToInterpreterBridge;
121   ipoints->pInterpreterToCompiledCodeBridge = artInterpreterToCompiledCodeBridge;
122 
123   // JNI
124   jpoints->pDlsymLookup = art_jni_dlsym_lookup_stub;
125 
126   // Portable
127   ppoints->pPortableResolutionTrampoline = art_portable_resolution_trampoline;
128   ppoints->pPortableToInterpreterBridge = art_portable_to_interpreter_bridge;
129 
130   // Alloc
131   ResetQuickAllocEntryPoints(qpoints);
132 
133   // Cast
134   qpoints->pInstanceofNonTrivial = art_quick_assignable_from_code;
135   qpoints->pCheckCast = art_quick_check_cast;
136 
137   // DexCache
138   qpoints->pInitializeStaticStorage = art_quick_initialize_static_storage;
139   qpoints->pInitializeTypeAndVerifyAccess = art_quick_initialize_type_and_verify_access;
140   qpoints->pInitializeType = art_quick_initialize_type;
141   qpoints->pResolveString = art_quick_resolve_string;
142 
143   // Field
144   qpoints->pSet32Instance = art_quick_set32_instance;
145   qpoints->pSet32Static = art_quick_set32_static;
146   qpoints->pSet64Instance = art_quick_set64_instance;
147   qpoints->pSet64Static = art_quick_set64_static;
148   qpoints->pSetObjInstance = art_quick_set_obj_instance;
149   qpoints->pSetObjStatic = art_quick_set_obj_static;
150   qpoints->pGet32Instance = art_quick_get32_instance;
151   qpoints->pGet64Instance = art_quick_get64_instance;
152   qpoints->pGetObjInstance = art_quick_get_obj_instance;
153   qpoints->pGet32Static = art_quick_get32_static;
154   qpoints->pGet64Static = art_quick_get64_static;
155   qpoints->pGetObjStatic = art_quick_get_obj_static;
156 
157   // Array
158   qpoints->pAputObjectWithNullAndBoundCheck = art_quick_aput_obj_with_null_and_bound_check;
159   qpoints->pAputObjectWithBoundCheck = art_quick_aput_obj_with_bound_check;
160   qpoints->pAputObject = art_quick_aput_obj;
161   qpoints->pHandleFillArrayData = art_quick_handle_fill_data;
162 
163   // JNI
164   qpoints->pJniMethodStart = JniMethodStart;
165   qpoints->pJniMethodStartSynchronized = JniMethodStartSynchronized;
166   qpoints->pJniMethodEnd = JniMethodEnd;
167   qpoints->pJniMethodEndSynchronized = JniMethodEndSynchronized;
168   qpoints->pJniMethodEndWithReference = JniMethodEndWithReference;
169   qpoints->pJniMethodEndWithReferenceSynchronized = JniMethodEndWithReferenceSynchronized;
170   qpoints->pQuickGenericJniTrampoline = art_quick_generic_jni_trampoline;
171 
172   // Locks
173   qpoints->pLockObject = art_quick_lock_object;
174   qpoints->pUnlockObject = art_quick_unlock_object;
175 
176   // Math
177   // points->pCmpgDouble = NULL;  // Not needed on x86.
178   // points->pCmpgFloat = NULL;  // Not needed on x86.
179   // points->pCmplDouble = NULL;  // Not needed on x86.
180   // points->pCmplFloat = NULL;  // Not needed on x86.
181   // qpoints->pFmod = NULL;  // Not needed on x86.
182   // qpoints->pL2d = NULL;  // Not needed on x86.
183   // qpoints->pFmodf = NULL;  // Not needed on x86.
184   // qpoints->pL2f = NULL;  // Not needed on x86.
185   // points->pD2iz = NULL;  // Not needed on x86.
186   // points->pF2iz = NULL;  // Not needed on x86.
187   // qpoints->pIdivmod = NULL;  // Not needed on x86.
188   qpoints->pD2l = art_d2l;
189   qpoints->pF2l = art_f2l;
190   qpoints->pLdiv = art_quick_ldiv;
191   qpoints->pLmod = art_quick_lmod;
192   qpoints->pLmul = art_quick_lmul;
193   qpoints->pShlLong = art_quick_lshl;
194   qpoints->pShrLong = art_quick_lshr;
195   qpoints->pUshrLong = art_quick_lushr;
196 
197   // Intrinsics
198   // qpoints->pIndexOf = NULL;  // Not needed on x86.
199   qpoints->pStringCompareTo = art_quick_string_compareto;
200   qpoints->pMemcpy = art_quick_memcpy;
201 
202   // Invocation
203   qpoints->pQuickImtConflictTrampoline = art_quick_imt_conflict_trampoline;
204   qpoints->pQuickResolutionTrampoline = art_quick_resolution_trampoline;
205   qpoints->pQuickToInterpreterBridge = art_quick_to_interpreter_bridge;
206   qpoints->pInvokeDirectTrampolineWithAccessCheck = art_quick_invoke_direct_trampoline_with_access_check;
207   qpoints->pInvokeInterfaceTrampolineWithAccessCheck = art_quick_invoke_interface_trampoline_with_access_check;
208   qpoints->pInvokeStaticTrampolineWithAccessCheck = art_quick_invoke_static_trampoline_with_access_check;
209   qpoints->pInvokeSuperTrampolineWithAccessCheck = art_quick_invoke_super_trampoline_with_access_check;
210   qpoints->pInvokeVirtualTrampolineWithAccessCheck = art_quick_invoke_virtual_trampoline_with_access_check;
211 
212   // Thread
213   qpoints->pTestSuspend = art_quick_test_suspend;
214 
215   // Throws
216   qpoints->pDeliverException = art_quick_deliver_exception;
217   qpoints->pThrowArrayBounds = art_quick_throw_array_bounds;
218   qpoints->pThrowDivZero = art_quick_throw_div_zero;
219   qpoints->pThrowNoSuchMethod = art_quick_throw_no_such_method;
220   qpoints->pThrowNullPointer = art_quick_throw_null_pointer_exception;
221   qpoints->pThrowStackOverflow = art_quick_throw_stack_overflow;
222 #endif  // __APPLE__
223 };
224 
225 }  // namespace art
226