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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
48