1 /* 2 * Copyright (C) 2016 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 #pragma once 18 19 #include <stdint.h> 20 21 #include <functional> 22 #include <utility> 23 24 #include "Arch.h" 25 26 struct CompilationType { 27 Arch arch; 28 bool cpp; 29 int api_level; 30 int file_offset_bits; 31 32 private: 33 auto tie() const { 34 return std::tie(arch, cpp, api_level, file_offset_bits); 35 } 36 37 public: 38 bool operator<(const CompilationType& other) const { 39 return tie() < other.tie(); 40 } 41 42 bool operator==(const CompilationType& other) const { 43 return tie() == other.tie(); 44 } 45 }; 46 47 namespace std { 48 template <> 49 struct hash<CompilationType> { 50 size_t operator()(CompilationType type) const { 51 struct { 52 int32_t arch : 3; 53 int32_t cpp : 1; 54 int32_t api_level : 6; 55 int32_t file_offset_bits : 1; 56 int32_t padding : 21; 57 } packed; 58 packed.arch = static_cast<int32_t>(type.arch); 59 packed.cpp = type.cpp; 60 packed.api_level = type.api_level; 61 packed.file_offset_bits = (type.file_offset_bits == 64); 62 packed.padding = 0; 63 int32_t value; 64 memcpy(&value, &packed, sizeof(value)); 65 return std::hash<int32_t>()(value); 66 } 67 }; 68 } 69 70 std::string to_string(const CompilationType& type); 71
