1//===-- MemoryTagManagerAArch64MTE.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#ifndef LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_MEMORYTAGMANAGERAARCH64MTE_H
10#define LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_MEMORYTAGMANAGERAARCH64MTE_H
11
12#include "lldb/Target/MemoryTagManager.h"
13
14namespace lldb_private {
15
16class MemoryTagManagerAArch64MTE : public MemoryTagManager {
17public:
18 // This enum is supposed to be shared for all of AArch64 but until
19 // there are more tag types than MTE, it will live here.
20 enum MTETagTypes {
21 eMTE_logical = 0,
22 eMTE_allocation = 1,
23 };
24
25 lldb::addr_t GetGranuleSize() const override;
26 int32_t GetAllocationTagType() const override;
27 size_t GetTagSizeInBytes() const override;
28
29 lldb::addr_t GetLogicalTag(lldb::addr_t addr) const override;
30 lldb::addr_t RemoveTagBits(lldb::addr_t addr) const override;
31 ptrdiff_t AddressDiff(lldb::addr_t addr1, lldb::addr_t addr2) const override;
32
33 TagRange ExpandToGranule(TagRange range) const override;
34
35 llvm::Expected<TagRange> MakeTaggedRange(
36 lldb::addr_t addr, lldb::addr_t end_addr,
37 const lldb_private::MemoryRegionInfos &memory_regions) const override;
38
39 llvm::Expected<std::vector<TagRange>> MakeTaggedRanges(
40 lldb::addr_t addr, lldb::addr_t end_addr,
41 const lldb_private::MemoryRegionInfos &memory_regions) const override;
42
43 llvm::Expected<std::vector<lldb::addr_t>>
44 UnpackTagsData(const std::vector<uint8_t> &tags,
45 size_t granules = 0) const override;
46
47 std::vector<lldb::addr_t>
48 UnpackTagsFromCoreFileSegment(CoreReaderFn reader,
49 lldb::addr_t tag_segment_virtual_address,
50 lldb::addr_t tag_segment_data_address,
51 lldb::addr_t addr, size_t len) const override;
52
53 llvm::Expected<std::vector<uint8_t>>
54 PackTags(const std::vector<lldb::addr_t> &tags) const override;
55
56 llvm::Expected<std::vector<lldb::addr_t>>
57 RepeatTagsForRange(const std::vector<lldb::addr_t> &tags,
58 TagRange range) const override;
59};
60
61} // namespace lldb_private
62
63#endif // LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_MEMORYTAGMANAGERAARCH64MTE_H
64

source code of lldb/source/Plugins/Process/Utility/MemoryTagManagerAArch64MTE.h