lldb/tools/debugserver/source/MacOSX/MachVMMemory.h

   1 //===-- MachVMMemory.h ------------------------------------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 //  Created by Greg Clayton on 6/26/07.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #ifndef LLDB_TOOLS_DEBUGSERVER_SOURCE_MACOSX_MACHVMMEMORY_H
  14 #define LLDB_TOOLS_DEBUGSERVER_SOURCE_MACOSX_MACHVMMEMORY_H
  15
  16 #include "DNBDefs.h"
  17 #include "DNBError.h"
  18 #include <mach/mach.h>
  19
  20 class MachVMMemory {
  21 public:
  22   MachVMMemory();
  23   ~MachVMMemory();
  24   nub_size_t Read(task_t task, nub_addr_t address, void *data,
  25                   nub_size_t data_count);
  26   nub_size_t Write(task_t task, nub_addr_t address, const void *data,
  27                    nub_size_t data_count);
  28   nub_size_t PageSize(task_t task);
  29   nub_bool_t GetMemoryRegionInfo(task_t task, nub_addr_t address,
  30                                  DNBRegionInfo *region_info);
  31   nub_bool_t GetMemoryProfile(DNBProfileDataScanType scanType, task_t task,
  32                               struct task_basic_info ti, cpu_type_t cputype,
  33                               nub_process_t pid, vm_statistics64_data_t &vminfo,
  34                               uint64_t &physical_memory, uint64_t &anonymous,
  35                               uint64_t &phys_footprint, uint64_t &memory_cap);
  36
  37 protected:
  38   nub_size_t MaxBytesLeftInPage(task_t task, nub_addr_t addr, nub_size_t count);
  39
  40   nub_size_t WriteRegion(task_t task, const nub_addr_t address,
  41                          const void *data, const nub_size_t data_count);
  42
  43   vm_size_t m_page_size;
  44   DNBError m_err;
  45 };
  46
  47 #endif // LLDB_TOOLS_DEBUGSERVER_SOURCE_MACOSX_MACHVMMEMORY_H