blob: 5399fe11f28ed539db842b85717292d87b6867fb (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "src/snapshot/snapshot-source-sink.h"
#include "src/base/logging.h"
#include "src/handles-inl.h"
#include "src/objects-inl.h"
namespace v8 {
namespace internal {
void SnapshotByteSink::PutInt(uintptr_t integer, const char* description) {
DCHECK(integer < 1 << 30);
integer <<= 2;
int bytes = 1;
if (integer > 0xff) bytes = 2;
if (integer > 0xffff) bytes = 3;
if (integer > 0xffffff) bytes = 4;
integer |= (bytes - 1);
Put(static_cast<int>(integer & 0xff), "IntPart1");
if (bytes > 1) Put(static_cast<int>((integer >> 8) & 0xff), "IntPart2");
if (bytes > 2) Put(static_cast<int>((integer >> 16) & 0xff), "IntPart3");
if (bytes > 3) Put(static_cast<int>((integer >> 24) & 0xff), "IntPart4");
}
void SnapshotByteSink::PutRaw(const byte* data, int number_of_bytes,
const char* description) {
data_.AddAll(Vector<byte>(const_cast<byte*>(data), number_of_bytes));
}
int SnapshotByteSource::GetBlob(const byte** data) {
int size = GetInt();
CHECK(position_ + size <= length_);
*data = &data_[position_];
Advance(size);
return size;
}
} // namespace internal
} // namespace v8
|
