MachVMMemory.h revision 1308a9555ad586ff03c8f97bcfe7f3212d06bc86
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 32protected: 33 nub_size_t MaxBytesLeftInPage(nub_addr_t addr, nub_size_t count); 34 35 nub_size_t WriteRegion(task_t task, const nub_addr_t address, const void *data, const nub_size_t data_count); 36 vm_size_t m_page_size; 37 DNBError m_err; 38}; 39 40 41#endif // #ifndef __MachVMMemory_h__ 42