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 #if !defined(__APPLE__) 23 #include "entrypoints/quick/quick_default_init_entrypoints.h" 24 #endif 25 #include "entrypoints/quick/quick_entrypoints.h" 26 #include "entrypoints/math_entrypoints.h" 27 #include "entrypoints/runtime_asm_entrypoints.h" 28 #include "interpreter/interpreter.h" 29 30 namespace art { 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 58 void UpdateReadBarrierEntrypoints(QuickEntryPoints* qpoints, bool is_active) { 59 qpoints->pReadBarrierMarkReg00 = is_active ? art_quick_read_barrier_mark_reg00 : nullptr; 60 qpoints->pReadBarrierMarkReg01 = is_active ? art_quick_read_barrier_mark_reg01 : nullptr; 61 qpoints->pReadBarrierMarkReg02 = is_active ? art_quick_read_barrier_mark_reg02 : nullptr; 62 qpoints->pReadBarrierMarkReg03 = is_active ? art_quick_read_barrier_mark_reg03 : nullptr; 63 qpoints->pReadBarrierMarkReg05 = is_active ? art_quick_read_barrier_mark_reg05 : nullptr; 64 qpoints->pReadBarrierMarkReg06 = is_active ? art_quick_read_barrier_mark_reg06 : nullptr; 65 qpoints->pReadBarrierMarkReg07 = is_active ? art_quick_read_barrier_mark_reg07 : nullptr; 66 qpoints->pReadBarrierMarkReg08 = is_active ? art_quick_read_barrier_mark_reg08 : nullptr; 67 qpoints->pReadBarrierMarkReg09 = is_active ? art_quick_read_barrier_mark_reg09 : nullptr; 68 qpoints->pReadBarrierMarkReg10 = is_active ? art_quick_read_barrier_mark_reg10 : nullptr; 69 qpoints->pReadBarrierMarkReg11 = is_active ? art_quick_read_barrier_mark_reg11 : nullptr; 70 qpoints->pReadBarrierMarkReg12 = is_active ? art_quick_read_barrier_mark_reg12 : nullptr; 71 qpoints->pReadBarrierMarkReg13 = is_active ? art_quick_read_barrier_mark_reg13 : nullptr; 72 qpoints->pReadBarrierMarkReg14 = is_active ? art_quick_read_barrier_mark_reg14 : nullptr; 73 qpoints->pReadBarrierMarkReg15 = is_active ? art_quick_read_barrier_mark_reg15 : nullptr; 74 } 75 76 void InitEntryPoints(JniEntryPoints* jpoints, QuickEntryPoints* qpoints) { 77 #if defined(__APPLE__) 78 UNUSED(jpoints, qpoints); 79 UNIMPLEMENTED(FATAL); 80 #else 81 DefaultInitEntryPoints(jpoints, qpoints); 82 83 // Cast 84 qpoints->pInstanceofNonTrivial = art_quick_instance_of; 85 qpoints->pCheckInstanceOf = art_quick_check_instance_of; 86 87 // More math. 88 qpoints->pCos = cos; 89 qpoints->pSin = sin; 90 qpoints->pAcos = acos; 91 qpoints->pAsin = asin; 92 qpoints->pAtan = atan; 93 qpoints->pAtan2 = atan2; 94 qpoints->pCbrt = cbrt; 95 qpoints->pCosh = cosh; 96 qpoints->pExp = exp; 97 qpoints->pExpm1 = expm1; 98 qpoints->pHypot = hypot; 99 qpoints->pLog = log; 100 qpoints->pLog10 = log10; 101 qpoints->pNextAfter = nextafter; 102 qpoints->pSinh = sinh; 103 qpoints->pTan = tan; 104 qpoints->pTanh = tanh; 105 106 // Math 107 qpoints->pD2l = art_d2l; 108 qpoints->pF2l = art_f2l; 109 qpoints->pLdiv = art_quick_ldiv; 110 qpoints->pLmod = art_quick_lmod; 111 qpoints->pLmul = art_quick_lmul; 112 qpoints->pShlLong = art_quick_lshl; 113 qpoints->pShrLong = art_quick_lshr; 114 qpoints->pUshrLong = art_quick_lushr; 115 116 // Intrinsics 117 qpoints->pStringCompareTo = art_quick_string_compareto; 118 qpoints->pMemcpy = art_quick_memcpy; 119 120 // Read barrier. 121 qpoints->pReadBarrierJni = ReadBarrierJni; 122 UpdateReadBarrierEntrypoints(qpoints, /*is_active*/ false); 123 qpoints->pReadBarrierMarkReg04 = nullptr; // Cannot use register 4 (RSP) to pass arguments. 124 // x86-64 has only 16 core registers. 125 qpoints->pReadBarrierMarkReg16 = nullptr; 126 qpoints->pReadBarrierMarkReg17 = nullptr; 127 qpoints->pReadBarrierMarkReg18 = nullptr; 128 qpoints->pReadBarrierMarkReg19 = nullptr; 129 qpoints->pReadBarrierMarkReg20 = nullptr; 130 qpoints->pReadBarrierMarkReg21 = nullptr; 131 qpoints->pReadBarrierMarkReg22 = nullptr; 132 qpoints->pReadBarrierMarkReg23 = nullptr; 133 qpoints->pReadBarrierMarkReg24 = nullptr; 134 qpoints->pReadBarrierMarkReg25 = nullptr; 135 qpoints->pReadBarrierMarkReg26 = nullptr; 136 qpoints->pReadBarrierMarkReg27 = nullptr; 137 qpoints->pReadBarrierMarkReg28 = nullptr; 138 qpoints->pReadBarrierMarkReg29 = nullptr; 139 qpoints->pReadBarrierSlow = art_quick_read_barrier_slow; 140 qpoints->pReadBarrierForRootSlow = art_quick_read_barrier_for_root_slow; 141 #endif // __APPLE__ 142 }; 143 144 } // namespace art 145
