1 /* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef ECMASCRIPT_JS_THREAD_STUB_ENTRIES_H 17 #define ECMASCRIPT_JS_THREAD_STUB_ENTRIES_H 18 19 #include "ecmascript/compiler/bc_call_signature.h" 20 #include "ecmascript/compiler/common_stubs.h" 21 22 namespace panda::ecmascript { 23 struct BCStubEntries { 24 static constexpr size_t EXISTING_BC_HANDLER_STUB_ENTRIES_COUNT = 25 kungfu::BytecodeStubCSigns::NUM_OF_ALL_NORMAL_STUBS; 26 // The number of bytecodes. 27 static constexpr size_t BC_HANDLER_COUNT = kungfu::BytecodeStubCSigns::LAST_VALID_OPCODE + 1; 28 static constexpr size_t COUNT = kungfu::BytecodeStubCSigns::NUM_OF_STUBS; 29 static_assert(EXISTING_BC_HANDLER_STUB_ENTRIES_COUNT <= COUNT); 30 Address stubEntries_[COUNT] = {0}; 31 32 static constexpr size_t SizeArch32 = sizeof(uint32_t) * COUNT; 33 static constexpr size_t SizeArch64 = sizeof(uint64_t) * COUNT; 34 SetBCStubEntries35 void Set(size_t index, Address addr) 36 { 37 ASSERT(index < COUNT); 38 stubEntries_[index] = addr; 39 } 40 GetAddrBCStubEntries41 Address* GetAddr() 42 { 43 return reinterpret_cast<Address*>(stubEntries_); 44 } 45 GetBCStubEntries46 Address Get(size_t index) const 47 { 48 ASSERT(index < COUNT); 49 return stubEntries_[index]; 50 } 51 }; 52 STATIC_ASSERT_EQ_ARCH(sizeof(BCStubEntries), BCStubEntries::SizeArch32, BCStubEntries::SizeArch64); 53 54 struct RTStubEntries { 55 static constexpr size_t COUNT = kungfu::RuntimeStubCSigns::NUM_OF_STUBS; 56 Address stubEntries_[COUNT]; 57 58 static constexpr size_t SizeArch32 = sizeof(uint32_t) * COUNT; 59 static constexpr size_t SizeArch64 = sizeof(uint64_t) * COUNT; 60 SetRTStubEntries61 void Set(size_t index, Address addr) 62 { 63 ASSERT(index < COUNT); 64 stubEntries_[index] = addr; 65 } 66 GetRTStubEntries67 Address Get(size_t index) const 68 { 69 ASSERT(index < COUNT); 70 return stubEntries_[index]; 71 } 72 }; 73 STATIC_ASSERT_EQ_ARCH(sizeof(RTStubEntries), RTStubEntries::SizeArch32, RTStubEntries::SizeArch64); 74 75 struct COStubEntries { 76 static constexpr size_t COUNT = kungfu::CommonStubCSigns::NUM_OF_STUBS; 77 Address stubEntries_[COUNT]; 78 79 static constexpr size_t SizeArch32 = sizeof(uint32_t) * COUNT; 80 static constexpr size_t SizeArch64 = sizeof(uint64_t) * COUNT; 81 SetCOStubEntries82 void Set(size_t index, Address addr) 83 { 84 ASSERT(index < COUNT); 85 stubEntries_[index] = addr; 86 } 87 GetCOStubEntries88 Address Get(size_t index) const 89 { 90 ASSERT(index < COUNT); 91 return stubEntries_[index]; 92 } 93 }; 94 95 struct BCDebuggerStubEntries { 96 static constexpr size_t EXISTING_BC_HANDLER_STUB_ENTRIES_COUNT = 97 kungfu::BytecodeStubCSigns::NUM_OF_ALL_NORMAL_STUBS; 98 static constexpr size_t COUNT = kungfu::BytecodeStubCSigns::LAST_VALID_OPCODE + 1; 99 Address stubEntries_[COUNT]; 100 101 static constexpr size_t SizeArch32 = sizeof(uint32_t) * COUNT; 102 static constexpr size_t SizeArch64 = sizeof(uint64_t) * COUNT; 103 SetBCDebuggerStubEntries104 void Set(size_t index, Address addr) 105 { 106 ASSERT(index < COUNT); 107 stubEntries_[index] = addr; 108 } 109 GetBCDebuggerStubEntries110 Address Get(size_t index) const 111 { 112 ASSERT(index < COUNT); 113 return stubEntries_[index]; 114 } 115 SetNonexistentBCHandlerStubEntriesBCDebuggerStubEntries116 void SetNonexistentBCHandlerStubEntries(Address addr) 117 { 118 for (size_t i = EXISTING_BC_HANDLER_STUB_ENTRIES_COUNT; i < COUNT; i++) { 119 if (stubEntries_[i] == 0) { 120 stubEntries_[i] = addr; 121 } 122 } 123 } 124 }; 125 126 struct BuiltinStubEntries { 127 static constexpr size_t COUNT = kungfu::BuiltinsStubCSigns::NUM_OF_BUILTINS_STUBS; 128 Address stubEntries_[COUNT]; 129 130 static constexpr size_t SizeArch32 = sizeof(uint32_t) * COUNT; 131 static constexpr size_t SizeArch64 = sizeof(uint64_t) * COUNT; 132 SetBuiltinStubEntries133 void Set(size_t index, Address addr) 134 { 135 ASSERT(index < COUNT); 136 stubEntries_[index] = addr; 137 } 138 GetBuiltinStubEntries139 Address Get(size_t index) const 140 { 141 ASSERT(index < COUNT); 142 return stubEntries_[index]; 143 } 144 }; 145 STATIC_ASSERT_EQ_ARCH(sizeof(COStubEntries), COStubEntries::SizeArch32, COStubEntries::SizeArch64); 146 } // namespace panda::ecmascript 147 148 #endif // ECMASCRIPT_JS_THREAD_STUB_ENTRIES_H 149