1//===-- ObjectContainerMachOFileset.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_OBJECTCONTAINER_MACH_O_FILESET_OBJECTCONTAINERMADCHOFILESET_H
10#define LLDB_SOURCE_PLUGINS_OBJECTCONTAINER_MACH_O_FILESET_OBJECTCONTAINERMADCHOFILESET_H
11
12#include "lldb/Host/SafeMachO.h"
13#include "lldb/Symbol/ObjectContainer.h"
14#include "lldb/Utility/FileSpec.h"
15
16namespace lldb_private {
17
18class ObjectContainerMachOFileset : public lldb_private::ObjectContainer {
19public:
20 ObjectContainerMachOFileset(const lldb::ModuleSP &module_sp,
21 lldb::DataBufferSP &data_sp,
22 lldb::offset_t data_offset,
23 const lldb_private::FileSpec *file,
24 lldb::offset_t offset, lldb::offset_t length);
25
26 ObjectContainerMachOFileset(const lldb::ModuleSP &module_sp,
27 lldb::WritableDataBufferSP data_sp,
28 const lldb::ProcessSP &process_sp,
29 lldb::addr_t header_addr);
30
31 ~ObjectContainerMachOFileset() override;
32
33 static void Initialize();
34 static void Terminate();
35
36 static llvm::StringRef GetPluginNameStatic() { return "mach-o-fileset"; }
37
38 static llvm::StringRef GetPluginDescriptionStatic() {
39 return "Mach-O Fileset container reader.";
40 }
41
42 static lldb_private::ObjectContainer *
43 CreateInstance(const lldb::ModuleSP &module_sp, lldb::DataBufferSP &data_sp,
44 lldb::offset_t data_offset, const lldb_private::FileSpec *file,
45 lldb::offset_t offset, lldb::offset_t length);
46
47 static lldb_private::ObjectContainer *CreateMemoryInstance(
48 const lldb::ModuleSP &module_sp, lldb::WritableDataBufferSP data_sp,
49 const lldb::ProcessSP &process_sp, lldb::addr_t header_addr);
50
51 static size_t GetModuleSpecifications(const lldb_private::FileSpec &file,
52 lldb::DataBufferSP &data_sp,
53 lldb::offset_t data_offset,
54 lldb::offset_t file_offset,
55 lldb::offset_t length,
56 lldb_private::ModuleSpecList &specs);
57
58 static bool MagicBytesMatch(const lldb_private::DataExtractor &data);
59 static bool MagicBytesMatch(lldb::DataBufferSP data_sp,
60 lldb::addr_t data_offset,
61 lldb::addr_t data_length);
62
63 bool ParseHeader() override;
64
65 size_t GetNumObjects() const override { return m_entries.size(); }
66
67 lldb::ObjectFileSP GetObjectFile(const lldb_private::FileSpec *file) override;
68
69 llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }
70
71 struct Entry {
72 Entry(uint64_t vmaddr, uint64_t fileoff, std::string id)
73 : vmaddr(vmaddr), fileoff(fileoff), id(id) {}
74 uint64_t vmaddr;
75 uint64_t fileoff;
76 std::string id;
77 };
78
79 Entry *FindEntry(llvm::StringRef id);
80
81private:
82 static bool ParseHeader(lldb_private::DataExtractor &data,
83 const lldb_private::FileSpec &file,
84 lldb::offset_t file_offset,
85 std::vector<Entry> &entries);
86
87 std::vector<Entry> m_entries;
88 lldb::ProcessWP m_process_wp;
89 const lldb::addr_t m_memory_addr;
90};
91
92} // namespace lldb_private
93
94#endif // LLDB_SOURCE_PLUGINS_OBJECTCONTAINER_MACH_O_FILESET_OBJECTCONTAINERMADCHOFILESET_H
95

source code of lldb/source/Plugins/ObjectContainer/Mach-O-Fileset/ObjectContainerMachOFileset.h