1 /*
2 * Copyright (C) 2014 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 "atomic.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_default_init_entrypoints.h"
22 #include "entrypoints/quick/quick_entrypoints.h"
23 #include "entrypoints/entrypoint_utils.h"
24 #include "entrypoints/math_entrypoints.h"
25 #include "entrypoints/runtime_asm_entrypoints.h"
26 #include "interpreter/interpreter.h"
27
28 namespace art {
29
30 // Cast entrypoints.
31 extern "C" uint32_t artIsAssignableFromCode(const mirror::Class* klass,
32 const mirror::Class* ref_class);
33 // Math entrypoints.
34 extern int32_t CmpgDouble(double a, double b);
35 extern int32_t CmplDouble(double a, double b);
36 extern int32_t CmpgFloat(float a, float b);
37 extern int32_t CmplFloat(float a, float b);
38 extern "C" int64_t artLmul(int64_t a, int64_t b);
39 extern "C" int64_t artLdiv(int64_t a, int64_t b);
40 extern "C" int64_t artLmod(int64_t a, int64_t b);
41
42 // Math conversions.
43 extern "C" int32_t __fixsfsi(float op1); // FLOAT_TO_INT
44 extern "C" int32_t __fixdfsi(double op1); // DOUBLE_TO_INT
45 extern "C" float __floatdisf(int64_t op1); // LONG_TO_FLOAT
46 extern "C" double __floatdidf(int64_t op1); // LONG_TO_DOUBLE
47 extern "C" int64_t __fixsfdi(float op1); // FLOAT_TO_LONG
48 extern "C" int64_t __fixdfdi(double op1); // DOUBLE_TO_LONG
49
50 // Single-precision FP arithmetics.
51 extern "C" float fmodf(float a, float b); // REM_FLOAT[_2ADDR]
52
53 // Double-precision FP arithmetics.
54 extern "C" double fmod(double a, double b); // REM_DOUBLE[_2ADDR]
55
56 // Long long arithmetics - REM_LONG[_2ADDR] and DIV_LONG[_2ADDR]
57 extern "C" int64_t __divdi3(int64_t, int64_t);
58 extern "C" int64_t __moddi3(int64_t, int64_t);
59
InitEntryPoints(JniEntryPoints * jpoints,QuickEntryPoints * qpoints)60 void InitEntryPoints(JniEntryPoints* jpoints, QuickEntryPoints* qpoints) {
61 DefaultInitEntryPoints(jpoints, qpoints);
62
63 // Cast
64 qpoints->pInstanceofNonTrivial = artIsAssignableFromCode;
65 qpoints->pCheckCast = art_quick_check_cast;
66
67 // Math
68 qpoints->pCmpgDouble = CmpgDouble;
69 qpoints->pCmpgFloat = CmpgFloat;
70 qpoints->pCmplDouble = CmplDouble;
71 qpoints->pCmplFloat = CmplFloat;
72 qpoints->pFmod = fmod;
73 qpoints->pL2d = art_l2d;
74 qpoints->pFmodf = fmodf;
75 qpoints->pL2f = art_l2f;
76 qpoints->pD2iz = art_d2i;
77 qpoints->pF2iz = art_f2i;
78 qpoints->pIdivmod = nullptr;
79 qpoints->pD2l = art_d2l;
80 qpoints->pF2l = art_f2l;
81 qpoints->pLdiv = artLdiv;
82 qpoints->pLmod = artLmod;
83 qpoints->pLmul = artLmul;
84 qpoints->pShlLong = nullptr;
85 qpoints->pShrLong = nullptr;
86 qpoints->pUshrLong = nullptr;
87
88 // Intrinsics
89 qpoints->pIndexOf = art_quick_indexof;
90 qpoints->pStringCompareTo = art_quick_string_compareto;
91 qpoints->pMemcpy = memcpy;
92
93 // TODO - use lld/scd instructions for Mips64
94 // Atomic 64-bit load/store
95 qpoints->pA64Load = QuasiAtomic::Read64;
96 qpoints->pA64Store = QuasiAtomic::Write64;
97
98 // Read barrier.
99 qpoints->pReadBarrierJni = ReadBarrierJni;
100 qpoints->pReadBarrierMark = artReadBarrierMark;
101 qpoints->pReadBarrierSlow = artReadBarrierSlow;
102 qpoints->pReadBarrierForRootSlow = artReadBarrierForRootSlow;
103 };
104
105 } // namespace art
106