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/quick/quick_alloc_entrypoints.h"
20 #include "entrypoints/quick/quick_default_externs.h"
21 #include "entrypoints/quick/quick_entrypoints.h"
22 #include "entrypoints/entrypoint_utils.h"
23 #include "entrypoints/math_entrypoints.h"
24 #include "entrypoints/runtime_asm_entrypoints.h"
25 #include "interpreter/interpreter.h"
26 
27 namespace art {
28 
29 // Cast entrypoints.
30 extern "C" uint32_t artIsAssignableFromCode(const mirror::Class* klass,
31                                             const mirror::Class* ref_class);
32 
33 
34 // Used by soft float.
35 // Single-precision FP arithmetics.
36 extern "C" float fmodf(float a, float b);              // REM_FLOAT[_2ADDR]
37 // Double-precision FP arithmetics.
38 extern "C" double fmod(double a, double b);            // REM_DOUBLE[_2ADDR]
39 
40 // Used by hard float.
41 extern "C" float art_quick_fmodf(float a, float b);    // REM_FLOAT[_2ADDR]
42 extern "C" double art_quick_fmod(double a, double b);  // REM_DOUBLE[_2ADDR]
43 
44 // Integer arithmetics.
45 extern "C" int __aeabi_idivmod(int32_t, int32_t);  // [DIV|REM]_INT[_2ADDR|_LIT8|_LIT16]
46 
47 // Long long arithmetics - REM_LONG[_2ADDR] and DIV_LONG[_2ADDR]
48 extern "C" int64_t __aeabi_ldivmod(int64_t, int64_t);
49 
InitEntryPoints(InterpreterEntryPoints * ipoints,JniEntryPoints * jpoints,QuickEntryPoints * qpoints)50 void InitEntryPoints(InterpreterEntryPoints* ipoints, JniEntryPoints* jpoints,
51                      QuickEntryPoints* qpoints) {
52   // Interpreter
53   ipoints->pInterpreterToInterpreterBridge = artInterpreterToInterpreterBridge;
54   ipoints->pInterpreterToCompiledCodeBridge = artInterpreterToCompiledCodeBridge;
55 
56   // JNI
57   jpoints->pDlsymLookup = art_jni_dlsym_lookup_stub;
58 
59   // Alloc
60   ResetQuickAllocEntryPoints(qpoints);
61 
62   // Cast
63   qpoints->pInstanceofNonTrivial = artIsAssignableFromCode;
64   qpoints->pCheckCast = art_quick_check_cast;
65 
66   // DexCache
67   qpoints->pInitializeStaticStorage = art_quick_initialize_static_storage;
68   qpoints->pInitializeTypeAndVerifyAccess = art_quick_initialize_type_and_verify_access;
69   qpoints->pInitializeType = art_quick_initialize_type;
70   qpoints->pResolveString = art_quick_resolve_string;
71 
72   // Field
73   qpoints->pSet8Instance = art_quick_set8_instance;
74   qpoints->pSet8Static = art_quick_set8_static;
75   qpoints->pSet16Instance = art_quick_set16_instance;
76   qpoints->pSet16Static = art_quick_set16_static;
77   qpoints->pSet32Instance = art_quick_set32_instance;
78   qpoints->pSet32Static = art_quick_set32_static;
79   qpoints->pSet64Instance = art_quick_set64_instance;
80   qpoints->pSet64Static = art_quick_set64_static;
81   qpoints->pSetObjInstance = art_quick_set_obj_instance;
82   qpoints->pSetObjStatic = art_quick_set_obj_static;
83   qpoints->pGetByteInstance = art_quick_get_byte_instance;
84   qpoints->pGetBooleanInstance = art_quick_get_boolean_instance;
85   qpoints->pGetShortInstance = art_quick_get_short_instance;
86   qpoints->pGetCharInstance = art_quick_get_char_instance;
87   qpoints->pGet32Instance = art_quick_get32_instance;
88   qpoints->pGet64Instance = art_quick_get64_instance;
89   qpoints->pGetObjInstance = art_quick_get_obj_instance;
90   qpoints->pGetByteStatic = art_quick_get_byte_static;
91   qpoints->pGetBooleanStatic = art_quick_get_boolean_static;
92   qpoints->pGetShortStatic = art_quick_get_short_static;
93   qpoints->pGetCharStatic = art_quick_get_char_static;
94   qpoints->pGet32Static = art_quick_get32_static;
95   qpoints->pGet64Static = art_quick_get64_static;
96   qpoints->pGetObjStatic = art_quick_get_obj_static;
97 
98   // Array
99   qpoints->pAputObjectWithNullAndBoundCheck = art_quick_aput_obj_with_null_and_bound_check;
100   qpoints->pAputObjectWithBoundCheck = art_quick_aput_obj_with_bound_check;
101   qpoints->pAputObject = art_quick_aput_obj;
102   qpoints->pHandleFillArrayData = art_quick_handle_fill_data;
103 
104   // JNI
105   qpoints->pJniMethodStart = JniMethodStart;
106   qpoints->pJniMethodStartSynchronized = JniMethodStartSynchronized;
107   qpoints->pJniMethodEnd = JniMethodEnd;
108   qpoints->pJniMethodEndSynchronized = JniMethodEndSynchronized;
109   qpoints->pJniMethodEndWithReference = JniMethodEndWithReference;
110   qpoints->pJniMethodEndWithReferenceSynchronized = JniMethodEndWithReferenceSynchronized;
111   qpoints->pQuickGenericJniTrampoline = art_quick_generic_jni_trampoline;
112 
113   // Locks
114   qpoints->pLockObject = art_quick_lock_object;
115   qpoints->pUnlockObject = art_quick_unlock_object;
116 
117   // Math
118   qpoints->pIdivmod = __aeabi_idivmod;
119   qpoints->pLdiv = __aeabi_ldivmod;
120   qpoints->pLmod = __aeabi_ldivmod;  // result returned in r2:r3
121   qpoints->pLmul = art_quick_mul_long;
122   qpoints->pShlLong = art_quick_shl_long;
123   qpoints->pShrLong = art_quick_shr_long;
124   qpoints->pUshrLong = art_quick_ushr_long;
125   if (kArm32QuickCodeUseSoftFloat) {
126     qpoints->pFmod = fmod;
127     qpoints->pFmodf = fmodf;
128     qpoints->pD2l = art_d2l;
129     qpoints->pF2l = art_f2l;
130   } else {
131     qpoints->pFmod = art_quick_fmod;
132     qpoints->pFmodf = art_quick_fmodf;
133     qpoints->pD2l = art_quick_d2l;
134     qpoints->pF2l = art_quick_f2l;
135   }
136 
137   // Intrinsics
138   qpoints->pIndexOf = art_quick_indexof;
139   qpoints->pStringCompareTo = art_quick_string_compareto;
140   qpoints->pMemcpy = memcpy;
141 
142   // Invocation
143   qpoints->pQuickImtConflictTrampoline = art_quick_imt_conflict_trampoline;
144   qpoints->pQuickResolutionTrampoline = art_quick_resolution_trampoline;
145   qpoints->pQuickToInterpreterBridge = art_quick_to_interpreter_bridge;
146   qpoints->pInvokeDirectTrampolineWithAccessCheck =
147       art_quick_invoke_direct_trampoline_with_access_check;
148   qpoints->pInvokeInterfaceTrampolineWithAccessCheck =
149       art_quick_invoke_interface_trampoline_with_access_check;
150   qpoints->pInvokeStaticTrampolineWithAccessCheck =
151       art_quick_invoke_static_trampoline_with_access_check;
152   qpoints->pInvokeSuperTrampolineWithAccessCheck =
153       art_quick_invoke_super_trampoline_with_access_check;
154   qpoints->pInvokeVirtualTrampolineWithAccessCheck =
155       art_quick_invoke_virtual_trampoline_with_access_check;
156 
157   // Thread
158   qpoints->pTestSuspend = art_quick_test_suspend;
159 
160   // Throws
161   qpoints->pDeliverException = art_quick_deliver_exception;
162   qpoints->pThrowArrayBounds = art_quick_throw_array_bounds;
163   qpoints->pThrowDivZero = art_quick_throw_div_zero;
164   qpoints->pThrowNoSuchMethod = art_quick_throw_no_such_method;
165   qpoints->pThrowNullPointer = art_quick_throw_null_pointer_exception;
166   qpoints->pThrowStackOverflow = art_quick_throw_stack_overflow;
167 
168   qpoints->pDeoptimize = art_quick_deoptimize;
169 
170   // Read barrier
171   qpoints->pReadBarrierJni = ReadBarrierJni;
172 }
173 
174 }  // namespace art
175