| //===-- 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: |
| enum { kInvalidPageSize = ~0 }; |
| 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(); |
| nub_bool_t GetMemoryRegionInfo(task_t task, nub_addr_t address, DNBRegionInfo *region_info); |
| |
| protected: |
| nub_size_t MaxBytesLeftInPage(nub_addr_t addr, nub_size_t count); |
| |
| 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__ |
