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/math_entrypoints.h"
21 #include "entrypoints/quick/quick_alloc_entrypoints.h"
22 #include "entrypoints/quick/quick_default_externs.h"
23 #if !defined(__APPLE__)
24 #include "entrypoints/quick/quick_default_init_entrypoints.h"
25 #endif
26 #include "entrypoints/quick/quick_entrypoints.h"
27 #include "entrypoints/runtime_asm_entrypoints.h"
28 #include "interpreter/interpreter.h"
29
30 namespace art HIDDEN {
31
32 // Cast entrypoints.
33 extern "C" size_t art_quick_instance_of(mirror::Object* obj, mirror::Class* ref_class);
34
35 // Read barrier entrypoints.
36 // art_quick_read_barrier_mark_regX uses an non-standard calling
37 // convention: it expects its input in register X and returns its
38 // result in that same register, and saves and restores all
39 // caller-save registers.
40 extern "C" mirror::Object* art_quick_read_barrier_mark_reg00(mirror::Object*);
41 extern "C" mirror::Object* art_quick_read_barrier_mark_reg01(mirror::Object*);
42 extern "C" mirror::Object* art_quick_read_barrier_mark_reg02(mirror::Object*);
43 extern "C" mirror::Object* art_quick_read_barrier_mark_reg03(mirror::Object*);
44 extern "C" mirror::Object* art_quick_read_barrier_mark_reg05(mirror::Object*);
45 extern "C" mirror::Object* art_quick_read_barrier_mark_reg06(mirror::Object*);
46 extern "C" mirror::Object* art_quick_read_barrier_mark_reg07(mirror::Object*);
47 extern "C" mirror::Object* art_quick_read_barrier_mark_reg08(mirror::Object*);
48 extern "C" mirror::Object* art_quick_read_barrier_mark_reg09(mirror::Object*);
49 extern "C" mirror::Object* art_quick_read_barrier_mark_reg10(mirror::Object*);
50 extern "C" mirror::Object* art_quick_read_barrier_mark_reg11(mirror::Object*);
51 extern "C" mirror::Object* art_quick_read_barrier_mark_reg12(mirror::Object*);
52 extern "C" mirror::Object* art_quick_read_barrier_mark_reg13(mirror::Object*);
53 extern "C" mirror::Object* art_quick_read_barrier_mark_reg14(mirror::Object*);
54 extern "C" mirror::Object* art_quick_read_barrier_mark_reg15(mirror::Object*);
55 extern "C" mirror::Object* art_quick_read_barrier_slow(mirror::Object*, mirror::Object*, uint32_t);
56 extern "C" mirror::Object* art_quick_read_barrier_for_root_slow(GcRoot<mirror::Object>*);
57
UpdateReadBarrierEntrypoints(QuickEntryPoints * qpoints,bool is_active)58 void UpdateReadBarrierEntrypoints(QuickEntryPoints* qpoints, bool is_active) {
59 qpoints->SetReadBarrierMarkReg00(is_active ? art_quick_read_barrier_mark_reg00 : nullptr);
60 qpoints->SetReadBarrierMarkReg01(is_active ? art_quick_read_barrier_mark_reg01 : nullptr);
61 qpoints->SetReadBarrierMarkReg02(is_active ? art_quick_read_barrier_mark_reg02 : nullptr);
62 qpoints->SetReadBarrierMarkReg03(is_active ? art_quick_read_barrier_mark_reg03 : nullptr);
63 qpoints->SetReadBarrierMarkReg05(is_active ? art_quick_read_barrier_mark_reg05 : nullptr);
64 qpoints->SetReadBarrierMarkReg06(is_active ? art_quick_read_barrier_mark_reg06 : nullptr);
65 qpoints->SetReadBarrierMarkReg07(is_active ? art_quick_read_barrier_mark_reg07 : nullptr);
66 qpoints->SetReadBarrierMarkReg08(is_active ? art_quick_read_barrier_mark_reg08 : nullptr);
67 qpoints->SetReadBarrierMarkReg09(is_active ? art_quick_read_barrier_mark_reg09 : nullptr);
68 qpoints->SetReadBarrierMarkReg10(is_active ? art_quick_read_barrier_mark_reg10 : nullptr);
69 qpoints->SetReadBarrierMarkReg11(is_active ? art_quick_read_barrier_mark_reg11 : nullptr);
70 qpoints->SetReadBarrierMarkReg12(is_active ? art_quick_read_barrier_mark_reg12 : nullptr);
71 qpoints->SetReadBarrierMarkReg13(is_active ? art_quick_read_barrier_mark_reg13 : nullptr);
72 qpoints->SetReadBarrierMarkReg14(is_active ? art_quick_read_barrier_mark_reg14 : nullptr);
73 qpoints->SetReadBarrierMarkReg15(is_active ? art_quick_read_barrier_mark_reg15 : nullptr);
74 }
75
InitEntryPoints(JniEntryPoints * jpoints,QuickEntryPoints * qpoints,bool monitor_jni_entry_exit)76 void InitEntryPoints(JniEntryPoints* jpoints,
77 QuickEntryPoints* qpoints,
78 bool monitor_jni_entry_exit) {
79 #if defined(__APPLE__)
80 UNUSED(jpoints, qpoints);
81 UNIMPLEMENTED(FATAL);
82 #else
83 DefaultInitEntryPoints(jpoints, qpoints, monitor_jni_entry_exit);
84
85 // Cast
86 qpoints->SetInstanceofNonTrivial(art_quick_instance_of);
87 qpoints->SetCheckInstanceOf(art_quick_check_instance_of);
88
89 // More math.
90 qpoints->SetCos(cos);
91 qpoints->SetSin(sin);
92 qpoints->SetAcos(acos);
93 qpoints->SetAsin(asin);
94 qpoints->SetAtan(atan);
95 qpoints->SetAtan2(atan2);
96 qpoints->SetPow(pow);
97 qpoints->SetCbrt(cbrt);
98 qpoints->SetCosh(cosh);
99 qpoints->SetExp(exp);
100 qpoints->SetExpm1(expm1);
101 qpoints->SetHypot(hypot);
102 qpoints->SetLog(log);
103 qpoints->SetLog10(log10);
104 qpoints->SetNextAfter(nextafter);
105 qpoints->SetSinh(sinh);
106 qpoints->SetTan(tan);
107 qpoints->SetTanh(tanh);
108
109 // Math
110 qpoints->SetD2l(art_d2l);
111 qpoints->SetF2l(art_f2l);
112 qpoints->SetLdiv(art_quick_ldiv);
113 qpoints->SetLmod(art_quick_lmod);
114 qpoints->SetLmul(art_quick_lmul);
115 qpoints->SetShlLong(art_quick_lshl);
116 qpoints->SetShrLong(art_quick_lshr);
117 qpoints->SetUshrLong(art_quick_lushr);
118
119 // Intrinsics
120 qpoints->SetStringCompareTo(art_quick_string_compareto);
121 qpoints->SetMemcpy(art_quick_memcpy);
122
123 // Read barrier.
124 UpdateReadBarrierEntrypoints(qpoints, /*is_active=*/ false);
125 qpoints->SetReadBarrierMarkReg04(nullptr); // Cannot use register 4 (RSP) to pass arguments.
126 // x86-64 has only 16 core registers.
127 qpoints->SetReadBarrierMarkReg16(nullptr);
128 qpoints->SetReadBarrierMarkReg17(nullptr);
129 qpoints->SetReadBarrierMarkReg18(nullptr);
130 qpoints->SetReadBarrierMarkReg19(nullptr);
131 qpoints->SetReadBarrierMarkReg20(nullptr);
132 qpoints->SetReadBarrierMarkReg21(nullptr);
133 qpoints->SetReadBarrierMarkReg22(nullptr);
134 qpoints->SetReadBarrierMarkReg23(nullptr);
135 qpoints->SetReadBarrierMarkReg24(nullptr);
136 qpoints->SetReadBarrierMarkReg25(nullptr);
137 qpoints->SetReadBarrierMarkReg26(nullptr);
138 qpoints->SetReadBarrierMarkReg27(nullptr);
139 qpoints->SetReadBarrierMarkReg28(nullptr);
140 qpoints->SetReadBarrierMarkReg29(nullptr);
141 qpoints->SetReadBarrierSlow(art_quick_read_barrier_slow);
142 qpoints->SetReadBarrierForRootSlow(art_quick_read_barrier_for_root_slow);
143 #endif // __APPLE__
144 }
145
146 } // namespace art
147