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//===-- MachVMMemory.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 __MachVMMemory_h__
#define __MachVMMemory_h__
#include "DNBDefs.h"
#include "DNBError.h"
#include <mach/mach.h>
class MachVMMemory
{
public:
MachVMMemory();
~MachVMMemory();
nub_size_t Read(task_t task, nub_addr_t address, void *data, nub_size_t data_count);
nub_size_t Write(task_t task, nub_addr_t address, const void *data, nub_size_t data_count);
nub_size_t PageSize(task_t task);
nub_bool_t GetMemoryRegionInfo(task_t task, nub_addr_t address, DNBRegionInfo *region_info);
#if defined (HOST_VM_INFO64_COUNT)
nub_bool_t GetMemoryProfile(DNBProfileDataScanType scanType, task_t task, struct task_basic_info ti, cpu_type_t cputype, nub_process_t pid, vm_statistics64_data_t &vminfo, 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, mach_vm_size_t &purgeable, mach_vm_size_t &anonymous);
#else
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 &vminfo, 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, mach_vm_size_t &purgeable, mach_vm_size_t &anonymous);
#endif
protected:
nub_size_t MaxBytesLeftInPage(task_t task, nub_addr_t addr, nub_size_t count);
uint64_t GetStolenPages(task_t task);
void GetRegionSizes(task_t task, mach_vm_size_t &rsize, mach_vm_size_t &dirty_size);
void GetMemorySizes(task_t task, cpu_type_t cputype, nub_process_t pid, mach_vm_size_t &rprvt, mach_vm_size_t &vprvt);
nub_size_t WriteRegion(task_t task, const nub_addr_t address, const void *data, const nub_size_t data_count);
vm_size_t m_page_size;
DNBError m_err;
};
#endif // #ifndef __MachVMMemory_h__
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