78 lines
2.4 KiB
C++
78 lines
2.4 KiB
C++
//===-- 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__
|