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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/jni/jni_entrypoints.h"
18 #include "entrypoints/quick/quick_alloc_entrypoints.h"
19 #include "entrypoints/quick/quick_default_externs.h"
20 #include "entrypoints/quick/quick_default_init_entrypoints.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(JniEntryPoints * jpoints,QuickEntryPoints * qpoints)50 void InitEntryPoints(JniEntryPoints* jpoints, QuickEntryPoints* qpoints) {
51   DefaultInitEntryPoints(jpoints, qpoints);
52 
53   // Cast
54   qpoints->pInstanceofNonTrivial = artIsAssignableFromCode;
55   qpoints->pCheckCast = art_quick_check_cast;
56 
57   // Math
58   qpoints->pIdivmod = __aeabi_idivmod;
59   qpoints->pLdiv = __aeabi_ldivmod;
60   qpoints->pLmod = __aeabi_ldivmod;  // result returned in r2:r3
61   qpoints->pLmul = art_quick_mul_long;
62   qpoints->pShlLong = art_quick_shl_long;
63   qpoints->pShrLong = art_quick_shr_long;
64   qpoints->pUshrLong = art_quick_ushr_long;
65   if (kArm32QuickCodeUseSoftFloat) {
66     qpoints->pFmod = fmod;
67     qpoints->pFmodf = fmodf;
68     qpoints->pD2l = art_d2l;
69     qpoints->pF2l = art_f2l;
70     qpoints->pL2f = art_l2f;
71   } else {
72     qpoints->pFmod = art_quick_fmod;
73     qpoints->pFmodf = art_quick_fmodf;
74     qpoints->pD2l = art_quick_d2l;
75     qpoints->pF2l = art_quick_f2l;
76     qpoints->pL2f = art_quick_l2f;
77   }
78 
79   // More math.
80   qpoints->pCos = cos;
81   qpoints->pSin = sin;
82   qpoints->pAcos = acos;
83   qpoints->pAsin = asin;
84   qpoints->pAtan = atan;
85   qpoints->pAtan2 = atan2;
86   qpoints->pCbrt = cbrt;
87   qpoints->pCosh = cosh;
88   qpoints->pExp = exp;
89   qpoints->pExpm1 = expm1;
90   qpoints->pHypot = hypot;
91   qpoints->pLog = log;
92   qpoints->pLog10 = log10;
93   qpoints->pNextAfter = nextafter;
94   qpoints->pSinh = sinh;
95   qpoints->pTan = tan;
96   qpoints->pTanh = tanh;
97 
98   // Intrinsics
99   qpoints->pIndexOf = art_quick_indexof;
100   qpoints->pStringCompareTo = art_quick_string_compareto;
101   qpoints->pMemcpy = memcpy;
102 
103   // Read barrier.
104   qpoints->pReadBarrierJni = ReadBarrierJni;
105   qpoints->pReadBarrierMark = artReadBarrierMark;
106   qpoints->pReadBarrierSlow = artReadBarrierSlow;
107   qpoints->pReadBarrierForRootSlow = artReadBarrierForRootSlow;
108 }
109 
110 }  // namespace art
111