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 #if defined (HOST_VM_INFO64_COUNT) 32 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); 33 #else 34 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); 35 #endif 36 37 protected: 38 nub_size_t MaxBytesLeftInPage(task_t task, nub_addr_t addr, nub_size_t count); 39 40 uint64_t GetStolenPages(task_t task); 41 void GetRegionSizes(task_t task, mach_vm_size_t &rsize, mach_vm_size_t &dirty_size); 42 void GetMemorySizes(task_t task, cpu_type_t cputype, nub_process_t pid, mach_vm_size_t &rprvt, mach_vm_size_t &vprvt); 43 44 45 nub_size_t WriteRegion(task_t task, const nub_addr_t address, const void *data, const nub_size_t data_count); 46 47 vm_size_t m_page_size; 48 DNBError m_err; 49 }; 50 51 52 #endif // #ifndef __MachVMMemory_h__ 53