1 /* 2 * Copyright (C) 2008 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 #ifndef ART_RUNTIME_JDWP_JDWP_BITS_H_ 18 #define ART_RUNTIME_JDWP_JDWP_BITS_H_ 19 20 #include <stddef.h> 21 #include <stdint.h> 22 #include <stdlib.h> 23 #include <string.h> 24 #include <string> 25 #include <vector> 26 27 namespace art { 28 29 namespace JDWP { 30 31 static inline uint32_t Get4BE(unsigned char const* pSrc) { 32 return (pSrc[0] << 24) | (pSrc[1] << 16) | (pSrc[2] << 8) | pSrc[3]; 33 } 34 35 static inline void Append1BE(std::vector<uint8_t>& bytes, uint8_t value) { 36 bytes.push_back(value); 37 } 38 39 static inline void Append2BE(std::vector<uint8_t>& bytes, uint16_t value) { 40 bytes.push_back(static_cast<uint8_t>(value >> 8)); 41 bytes.push_back(static_cast<uint8_t>(value)); 42 } 43 44 static inline void Append4BE(std::vector<uint8_t>& bytes, uint32_t value) { 45 bytes.push_back(static_cast<uint8_t>(value >> 24)); 46 bytes.push_back(static_cast<uint8_t>(value >> 16)); 47 bytes.push_back(static_cast<uint8_t>(value >> 8)); 48 bytes.push_back(static_cast<uint8_t>(value)); 49 } 50 51 static inline void Append8BE(std::vector<uint8_t>& bytes, uint64_t value) { 52 bytes.push_back(static_cast<uint8_t>(value >> 56)); 53 bytes.push_back(static_cast<uint8_t>(value >> 48)); 54 bytes.push_back(static_cast<uint8_t>(value >> 40)); 55 bytes.push_back(static_cast<uint8_t>(value >> 32)); 56 bytes.push_back(static_cast<uint8_t>(value >> 24)); 57 bytes.push_back(static_cast<uint8_t>(value >> 16)); 58 bytes.push_back(static_cast<uint8_t>(value >> 8)); 59 bytes.push_back(static_cast<uint8_t>(value)); 60 } 61 62 static inline void AppendUtf16BE(std::vector<uint8_t>& bytes, const uint16_t* chars, size_t char_count) { 63 Append4BE(bytes, char_count); 64 for (size_t i = 0; i < char_count; ++i) { 65 Append2BE(bytes, chars[i]); 66 } 67 } 68 69 // @deprecated 70 static inline void Set1(uint8_t* buf, uint8_t val) { 71 *buf = (uint8_t)(val); 72 } 73 74 // @deprecated 75 static inline void Set2BE(uint8_t* buf, uint16_t val) { 76 *buf++ = (uint8_t)(val >> 8); 77 *buf = (uint8_t)(val); 78 } 79 80 // @deprecated 81 static inline void Set4BE(uint8_t* buf, uint32_t val) { 82 *buf++ = (uint8_t)(val >> 24); 83 *buf++ = (uint8_t)(val >> 16); 84 *buf++ = (uint8_t)(val >> 8); 85 *buf = (uint8_t)(val); 86 } 87 88 // @deprecated 89 static inline void Set8BE(uint8_t* buf, uint64_t val) { 90 *buf++ = (uint8_t)(val >> 56); 91 *buf++ = (uint8_t)(val >> 48); 92 *buf++ = (uint8_t)(val >> 40); 93 *buf++ = (uint8_t)(val >> 32); 94 *buf++ = (uint8_t)(val >> 24); 95 *buf++ = (uint8_t)(val >> 16); 96 *buf++ = (uint8_t)(val >> 8); 97 *buf = (uint8_t)(val); 98 } 99 100 static inline void Write1BE(uint8_t** dst, uint8_t value) { 101 Set1(*dst, value); 102 *dst += sizeof(value); 103 } 104 105 static inline void Write2BE(uint8_t** dst, uint16_t value) { 106 Set2BE(*dst, value); 107 *dst += sizeof(value); 108 } 109 110 static inline void Write4BE(uint8_t** dst, uint32_t value) { 111 Set4BE(*dst, value); 112 *dst += sizeof(value); 113 } 114 115 static inline void Write8BE(uint8_t** dst, uint64_t value) { 116 Set8BE(*dst, value); 117 *dst += sizeof(value); 118 } 119 120 } // namespace JDWP 121 122 } // namespace art 123 124 #endif // ART_RUNTIME_JDWP_JDWP_BITS_H_ 125