blob: 758112d236d7effb43daed92656f167138d771b8 (
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
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
|
//===-- MachVMRegion.h ------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Created by Greg Clayton on 6/26/07.
//
//===----------------------------------------------------------------------===//
#ifndef __MachVMRegion_h__
#define __MachVMRegion_h__
#include "DNBDefs.h"
#include "DNBError.h"
#include <mach/mach.h>
class MachVMRegion {
public:
MachVMRegion(task_t task);
~MachVMRegion();
void Clear();
mach_vm_address_t StartAddress() const { return m_start; }
mach_vm_address_t EndAddress() const { return m_start + m_size; }
mach_vm_size_t GetByteSize() const { return m_size; }
mach_vm_address_t BytesRemaining(mach_vm_address_t addr) const {
if (ContainsAddress(addr))
return m_size - (addr - m_start);
else
return 0;
}
bool ContainsAddress(mach_vm_address_t addr) const {
return addr >= StartAddress() && addr < EndAddress();
}
bool SetProtections(mach_vm_address_t addr, mach_vm_size_t size,
vm_prot_t prot);
bool RestoreProtections();
bool GetRegionForAddress(nub_addr_t addr);
uint32_t GetDNBPermissions() const;
const DNBError &GetError() { return m_err; }
protected:
#if defined(VM_REGION_SUBMAP_SHORT_INFO_COUNT_64)
typedef vm_region_submap_short_info_data_64_t RegionInfo;
enum { kRegionInfoSize = VM_REGION_SUBMAP_SHORT_INFO_COUNT_64 };
#else
typedef vm_region_submap_info_data_64_t RegionInfo;
enum { kRegionInfoSize = VM_REGION_SUBMAP_INFO_COUNT_64 };
#endif
task_t m_task;
mach_vm_address_t m_addr;
DNBError m_err;
mach_vm_address_t m_start;
mach_vm_size_t m_size;
natural_t m_depth;
RegionInfo m_data;
vm_prot_t m_curr_protection; // The current, possibly modified protections.
// Original value is saved in m_data.protections.
mach_vm_address_t
m_protection_addr; // The start address at which protections were changed
mach_vm_size_t
m_protection_size; // The size of memory that had its protections changed
};
#endif // #ifndef __MachVMRegion_h__
|
