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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 | 5 |
6 #include "src/snapshot/snapshot-source-sink.h" | 6 #include "src/snapshot/snapshot-source-sink.h" |
7 | 7 |
8 #include "src/base/logging.h" | 8 #include "src/base/logging.h" |
9 #include "src/handles-inl.h" | 9 #include "src/handles-inl.h" |
10 #include "src/objects-inl.h" | 10 #include "src/objects-inl.h" |
11 | 11 |
12 namespace v8 { | 12 namespace v8 { |
13 namespace internal { | 13 namespace internal { |
14 | 14 |
| 15 void SnapshotByteSource::CopyRaw(byte* to, int number_of_bytes) { |
| 16 memcpy(to, data_ + position_, number_of_bytes); |
| 17 position_ += number_of_bytes; |
| 18 } |
| 19 |
| 20 |
15 void SnapshotByteSink::PutInt(uintptr_t integer, const char* description) { | 21 void SnapshotByteSink::PutInt(uintptr_t integer, const char* description) { |
16 DCHECK(integer < 1 << 30); | 22 DCHECK(integer < 1 << 30); |
17 integer <<= 2; | 23 integer <<= 2; |
18 int bytes = 1; | 24 int bytes = 1; |
19 if (integer > 0xff) bytes = 2; | 25 if (integer > 0xff) bytes = 2; |
20 if (integer > 0xffff) bytes = 3; | 26 if (integer > 0xffff) bytes = 3; |
21 if (integer > 0xffffff) bytes = 4; | 27 if (integer > 0xffffff) bytes = 4; |
22 integer |= (bytes - 1); | 28 integer |= (bytes - 1); |
23 Put(static_cast<int>(integer & 0xff), "IntPart1"); | 29 Put(static_cast<int>(integer & 0xff), "IntPart1"); |
24 if (bytes > 1) Put(static_cast<int>((integer >> 8) & 0xff), "IntPart2"); | 30 if (bytes > 1) Put(static_cast<int>((integer >> 8) & 0xff), "IntPart2"); |
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35 | 41 |
36 int SnapshotByteSource::GetBlob(const byte** data) { | 42 int SnapshotByteSource::GetBlob(const byte** data) { |
37 int size = GetInt(); | 43 int size = GetInt(); |
38 CHECK(position_ + size <= length_); | 44 CHECK(position_ + size <= length_); |
39 *data = &data_[position_]; | 45 *data = &data_[position_]; |
40 Advance(size); | 46 Advance(size); |
41 return size; | 47 return size; |
42 } | 48 } |
43 } // namespace internal | 49 } // namespace internal |
44 } // namespace v8 | 50 } // namespace v8 |
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