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
27namespace art {
28
29namespace JDWP {
30
31static inline uint32_t Get4BE(unsigned char const* pSrc) {
32  return (pSrc[0] << 24) | (pSrc[1] << 16) | (pSrc[2] << 8) | pSrc[3];
33}
34
35static inline void Append1BE(std::vector<uint8_t>& bytes, uint8_t value) {
36  bytes.push_back(value);
37}
38
39static 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
44static 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
51static 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
62static inline void AppendUtf16BE(std::vector<uint8_t>& bytes, const uint16_t* chars,
63                                 size_t char_count) {
64  Append4BE(bytes, char_count);
65  for (size_t i = 0; i < char_count; ++i) {
66    Append2BE(bytes, chars[i]);
67  }
68}
69
70static inline void AppendUtf16CompressedBE(std::vector<uint8_t>& bytes,
71                                           const uint8_t* chars, size_t char_count) {
72  Append4BE(bytes, char_count);
73  for (size_t i = 0; i < char_count; ++i) {
74    Append2BE(bytes, static_cast<uint16_t>(chars[i]));
75  }
76}
77
78// @deprecated
79static inline void Set1(uint8_t* buf, uint8_t val) {
80  *buf = val;
81}
82
83// @deprecated
84static inline void Set2BE(uint8_t* buf, uint16_t val) {
85  *buf++ = (uint8_t)(val >> 8);
86  *buf = (uint8_t)(val);
87}
88
89// @deprecated
90static inline void Set4BE(uint8_t* buf, uint32_t val) {
91  *buf++ = (uint8_t)(val >> 24);
92  *buf++ = (uint8_t)(val >> 16);
93  *buf++ = (uint8_t)(val >> 8);
94  *buf = (uint8_t)(val);
95}
96
97// @deprecated
98static inline void Set8BE(uint8_t* buf, uint64_t val) {
99  *buf++ = (uint8_t)(val >> 56);
100  *buf++ = (uint8_t)(val >> 48);
101  *buf++ = (uint8_t)(val >> 40);
102  *buf++ = (uint8_t)(val >> 32);
103  *buf++ = (uint8_t)(val >> 24);
104  *buf++ = (uint8_t)(val >> 16);
105  *buf++ = (uint8_t)(val >> 8);
106  *buf = (uint8_t)(val);
107}
108
109static inline void Write1BE(uint8_t** dst, uint8_t value) {
110  Set1(*dst, value);
111  *dst += sizeof(value);
112}
113
114static inline void Write2BE(uint8_t** dst, uint16_t value) {
115  Set2BE(*dst, value);
116  *dst += sizeof(value);
117}
118
119static inline void Write4BE(uint8_t** dst, uint32_t value) {
120  Set4BE(*dst, value);
121  *dst += sizeof(value);
122}
123
124static inline void Write8BE(uint8_t** dst, uint64_t value) {
125  Set8BE(*dst, value);
126  *dst += sizeof(value);
127}
128
129}  // namespace JDWP
130
131}  // namespace art
132
133#endif  // ART_RUNTIME_JDWP_JDWP_BITS_H_
134