MachVMMemory.h revision cec43ab7f30085ac7f65a26a58b956a69e363a3b 
1//===-- MachVMMemory.h ------------------------------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10//  Created by Greg Clayton on 6/26/07.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef __MachVMMemory_h__
15#define __MachVMMemory_h__
16
17#include "DNBDefs.h"
18#include "DNBError.h"
19#include <mach/mach.h>
20
21class MachVMMemory
22{
23public:
24    enum { kInvalidPageSize = ~0 };
25    MachVMMemory();
26    ~MachVMMemory();
27    nub_size_t Read(task_t task, nub_addr_t address, void *data, nub_size_t data_count);
28    nub_size_t Write(task_t task, nub_addr_t address, const void *data, nub_size_t data_count);
29    nub_size_t PageSize();
30    nub_bool_t GetMemoryRegionInfo(task_t task, nub_addr_t address, DNBRegionInfo *region_info);
31    nub_bool_t GetMemoryProfile(DNBProfileDataScanType scanType, task_t task, struct task_basic_info ti, cpu_type_t cputype, nub_process_t pid, vm_statistics_data_t &vm_stats, uint64_t &physical_memory, mach_vm_size_t &rprvt, mach_vm_size_t &rsize, mach_vm_size_t &vprvt, mach_vm_size_t &vsize, mach_vm_size_t &dirty_size);
32
33protected:
34    nub_size_t MaxBytesLeftInPage(nub_addr_t addr, nub_size_t count);
35
36    nub_size_t WriteRegion(task_t task, const nub_addr_t address, const void *data, const nub_size_t data_count);
37    vm_size_t   m_page_size;
38    DNBError    m_err;
39};
40
41
42#endif //    #ifndef __MachVMMemory_h__
43