forked from OSchip/llvm-project
41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
//===-- MachVMMemory.h ------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Created by Greg Clayton on 6/26/07.
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//
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//===----------------------------------------------------------------------===//
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#ifndef __MachVMMemory_h__
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#define __MachVMMemory_h__
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#include "DNBDefs.h"
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#include "DNBError.h"
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#include <mach/mach.h>
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class MachVMMemory
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{
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public:
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enum { kInvalidPageSize = ~0 };
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MachVMMemory();
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~MachVMMemory();
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nub_size_t Read(task_t task, nub_addr_t address, void *data, nub_size_t data_count);
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nub_size_t Write(task_t task, nub_addr_t address, const void *data, nub_size_t data_count);
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nub_size_t PageSize();
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protected:
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nub_size_t MaxBytesLeftInPage(nub_addr_t addr, nub_size_t count);
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nub_size_t WriteRegion(task_t task, const nub_addr_t address, const void *data, const nub_size_t data_count);
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vm_size_t m_page_size;
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DNBError m_err;
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};
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#endif // #ifndef __MachVMMemory_h__
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