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 <math.h>
18
19 #include "entrypoints/jni/jni_entrypoints.h"
20 #include "entrypoints/quick/quick_alloc_entrypoints.h"
21 #include "entrypoints/quick/quick_default_externs.h"
22 #include "entrypoints/quick/quick_default_init_entrypoints.h"
23 #include "entrypoints/quick/quick_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" size_t art_quick_instance_of(mirror::Object* obj, mirror::Class* ref_class);
31
32 // Read barrier entrypoints.
33 // art_quick_read_barrier_mark_regX uses an non-standard calling
34 // convention: it expects its input in register X and returns its
35 // result in that same register, and saves and restores all
36 // caller-save registers.
37 extern "C" mirror::Object* art_quick_read_barrier_mark_reg00(mirror::Object*);
38 extern "C" mirror::Object* art_quick_read_barrier_mark_reg01(mirror::Object*);
39 extern "C" mirror::Object* art_quick_read_barrier_mark_reg02(mirror::Object*);
40 extern "C" mirror::Object* art_quick_read_barrier_mark_reg03(mirror::Object*);
41 extern "C" mirror::Object* art_quick_read_barrier_mark_reg05(mirror::Object*);
42 extern "C" mirror::Object* art_quick_read_barrier_mark_reg06(mirror::Object*);
43 extern "C" mirror::Object* art_quick_read_barrier_mark_reg07(mirror::Object*);
44 extern "C" mirror::Object* art_quick_read_barrier_slow(mirror::Object*, mirror::Object*, uint32_t);
45 extern "C" mirror::Object* art_quick_read_barrier_for_root_slow(GcRoot<mirror::Object>*);
46
UpdateReadBarrierEntrypoints(QuickEntryPoints * qpoints,bool is_active)47 void UpdateReadBarrierEntrypoints(QuickEntryPoints* qpoints, bool is_active) {
48 qpoints->pReadBarrierMarkReg00 = is_active ? art_quick_read_barrier_mark_reg00 : nullptr;
49 qpoints->pReadBarrierMarkReg01 = is_active ? art_quick_read_barrier_mark_reg01 : nullptr;
50 qpoints->pReadBarrierMarkReg02 = is_active ? art_quick_read_barrier_mark_reg02 : nullptr;
51 qpoints->pReadBarrierMarkReg03 = is_active ? art_quick_read_barrier_mark_reg03 : nullptr;
52 qpoints->pReadBarrierMarkReg05 = is_active ? art_quick_read_barrier_mark_reg05 : nullptr;
53 qpoints->pReadBarrierMarkReg06 = is_active ? art_quick_read_barrier_mark_reg06 : nullptr;
54 qpoints->pReadBarrierMarkReg07 = is_active ? art_quick_read_barrier_mark_reg07 : nullptr;
55 }
56
InitEntryPoints(JniEntryPoints * jpoints,QuickEntryPoints * qpoints)57 void InitEntryPoints(JniEntryPoints* jpoints, QuickEntryPoints* qpoints) {
58 DefaultInitEntryPoints(jpoints, qpoints);
59
60 // Cast
61 qpoints->pInstanceofNonTrivial = art_quick_instance_of;
62 qpoints->pCheckInstanceOf = art_quick_check_instance_of;
63
64 // More math.
65 qpoints->pCos = cos;
66 qpoints->pSin = sin;
67 qpoints->pAcos = acos;
68 qpoints->pAsin = asin;
69 qpoints->pAtan = atan;
70 qpoints->pAtan2 = atan2;
71 qpoints->pPow = pow;
72 qpoints->pCbrt = cbrt;
73 qpoints->pCosh = cosh;
74 qpoints->pExp = exp;
75 qpoints->pExpm1 = expm1;
76 qpoints->pHypot = hypot;
77 qpoints->pLog = log;
78 qpoints->pLog10 = log10;
79 qpoints->pNextAfter = nextafter;
80 qpoints->pSinh = sinh;
81 qpoints->pTan = tan;
82 qpoints->pTanh = tanh;
83
84 // Math
85 qpoints->pD2l = art_quick_d2l;
86 qpoints->pF2l = art_quick_f2l;
87 qpoints->pLdiv = art_quick_ldiv;
88 qpoints->pLmod = art_quick_lmod;
89 qpoints->pLmul = art_quick_lmul;
90 qpoints->pShlLong = art_quick_lshl;
91 qpoints->pShrLong = art_quick_lshr;
92 qpoints->pUshrLong = art_quick_lushr;
93
94 // Intrinsics
95 // qpoints->pIndexOf = nullptr; // Not needed on x86
96 qpoints->pStringCompareTo = art_quick_string_compareto;
97 qpoints->pMemcpy = art_quick_memcpy;
98
99 // Read barrier.
100 qpoints->pReadBarrierJni = ReadBarrierJni;
101 UpdateReadBarrierEntrypoints(qpoints, /*is_active=*/ false);
102 qpoints->pReadBarrierMarkReg04 = nullptr; // Cannot use register 4 (ESP) to pass arguments.
103 // x86 has only 8 core registers.
104 qpoints->pReadBarrierMarkReg08 = nullptr;
105 qpoints->pReadBarrierMarkReg09 = nullptr;
106 qpoints->pReadBarrierMarkReg10 = nullptr;
107 qpoints->pReadBarrierMarkReg11 = nullptr;
108 qpoints->pReadBarrierMarkReg12 = nullptr;
109 qpoints->pReadBarrierMarkReg13 = nullptr;
110 qpoints->pReadBarrierMarkReg14 = nullptr;
111 qpoints->pReadBarrierMarkReg15 = nullptr;
112 qpoints->pReadBarrierMarkReg16 = nullptr;
113 qpoints->pReadBarrierMarkReg17 = nullptr;
114 qpoints->pReadBarrierMarkReg18 = nullptr;
115 qpoints->pReadBarrierMarkReg19 = nullptr;
116 qpoints->pReadBarrierMarkReg20 = nullptr;
117 qpoints->pReadBarrierMarkReg21 = nullptr;
118 qpoints->pReadBarrierMarkReg22 = nullptr;
119 qpoints->pReadBarrierMarkReg23 = nullptr;
120 qpoints->pReadBarrierMarkReg24 = nullptr;
121 qpoints->pReadBarrierMarkReg25 = nullptr;
122 qpoints->pReadBarrierMarkReg26 = nullptr;
123 qpoints->pReadBarrierMarkReg27 = nullptr;
124 qpoints->pReadBarrierMarkReg28 = nullptr;
125 qpoints->pReadBarrierMarkReg29 = nullptr;
126 qpoints->pReadBarrierSlow = art_quick_read_barrier_slow;
127 qpoints->pReadBarrierForRootSlow = art_quick_read_barrier_for_root_slow;
128 }
129
130 } // namespace art
131