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
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
| //===-- VMRange.h -----------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_VMRange_h_
#define liblldb_VMRange_h_
#include "lldb/lldb-types.h"
#include <stddef.h>
#include <stdint.h>
#include <vector>
namespace lldb_private {
class Stream;
}
namespace lldb_private {
// A vm address range. These can represent offsets ranges or actual
// addresses.
class VMRange {
public:
typedef std::vector<VMRange> collection;
typedef collection::iterator iterator;
typedef collection::const_iterator const_iterator;
VMRange() : m_base_addr(0), m_byte_size(0) {}
VMRange(lldb::addr_t start_addr, lldb::addr_t end_addr)
: m_base_addr(start_addr),
m_byte_size(end_addr > start_addr ? end_addr - start_addr : 0) {}
~VMRange() {}
void Clear() {
m_base_addr = 0;
m_byte_size = 0;
}
// Set the start and end values
void Reset(lldb::addr_t start_addr, lldb::addr_t end_addr) {
SetBaseAddress(start_addr);
SetEndAddress(end_addr);
}
// Set the start value for the range, and keep the same size
void SetBaseAddress(lldb::addr_t base_addr) { m_base_addr = base_addr; }
void SetEndAddress(lldb::addr_t end_addr) {
const lldb::addr_t base_addr = GetBaseAddress();
if (end_addr > base_addr)
m_byte_size = end_addr - base_addr;
else
m_byte_size = 0;
}
lldb::addr_t GetByteSize() const { return m_byte_size; }
void SetByteSize(lldb::addr_t byte_size) { m_byte_size = byte_size; }
lldb::addr_t GetBaseAddress() const { return m_base_addr; }
lldb::addr_t GetEndAddress() const { return GetBaseAddress() + m_byte_size; }
bool IsValid() const { return m_byte_size > 0; }
bool Contains(lldb::addr_t addr) const {
return (GetBaseAddress() <= addr) && (addr < GetEndAddress());
}
bool Contains(const VMRange &range) const {
if (Contains(range.GetBaseAddress())) {
lldb::addr_t range_end = range.GetEndAddress();
return (GetBaseAddress() <= range_end) && (range_end <= GetEndAddress());
}
return false;
}
void Dump(Stream *s, lldb::addr_t base_addr = 0,
uint32_t addr_width = 8) const;
static bool ContainsValue(const VMRange::collection &coll,
lldb::addr_t value);
static bool ContainsRange(const VMRange::collection &coll,
const VMRange &range);
protected:
lldb::addr_t m_base_addr;
lldb::addr_t m_byte_size;
};
bool operator==(const VMRange &lhs, const VMRange &rhs);
bool operator!=(const VMRange &lhs, const VMRange &rhs);
bool operator<(const VMRange &lhs, const VMRange &rhs);
bool operator<=(const VMRange &lhs, const VMRange &rhs);
bool operator>(const VMRange &lhs, const VMRange &rhs);
bool operator>=(const VMRange &lhs, const VMRange &rhs);
} // namespace lldb_private
#endif // liblldb_VMRange_h_
|