Home | History | Annotate | Download | only in MacOSX
      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 
     21 class MachVMMemory
     22 {
     23 public:
     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(task_t task);
     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, mach_vm_size_t &purgable, mach_vm_size_t &anonymous);
     32 
     33 protected:
     34     nub_size_t  MaxBytesLeftInPage(task_t task, nub_addr_t addr, nub_size_t count);
     35 
     36     uint64_t    GetStolenPages(task_t task);
     37     void        GetRegionSizes(task_t task, mach_vm_size_t &rsize, mach_vm_size_t &dirty_size);
     38     void        GetMemorySizes(task_t task, cpu_type_t cputype, nub_process_t pid, mach_vm_size_t &rprvt, mach_vm_size_t &vprvt);
     39 
     40 
     41     nub_size_t  WriteRegion(task_t task, const nub_addr_t address, const void *data, const nub_size_t data_count);
     42 
     43     vm_size_t   m_page_size;
     44     DNBError    m_err;
     45 };
     46 
     47 
     48 #endif //    #ifndef __MachVMMemory_h__
     49