xref: /freebsd/contrib/llvm-project/lldb/source/Plugins/Process/minidump/ProcessMinidump.h (revision e6bfd18d21b225af6a0ed67ceeaf1293b7b9eba5)
1 //===-- ProcessMinidump.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_MINIDUMP_PROCESSMINIDUMP_H
10 #define LLDB_SOURCE_PLUGINS_PROCESS_MINIDUMP_PROCESSMINIDUMP_H
11 
12 #include "MinidumpParser.h"
13 #include "MinidumpTypes.h"
14 
15 #include "lldb/Target/PostMortemProcess.h"
16 #include "lldb/Target/StopInfo.h"
17 #include "lldb/Target/Target.h"
18 #include "lldb/Utility/ConstString.h"
19 #include "lldb/Utility/Status.h"
20 
21 #include "llvm/Support/Format.h"
22 #include "llvm/Support/raw_ostream.h"
23 
24 
25 namespace lldb_private {
26 
27 namespace minidump {
28 
29 class ProcessMinidump : public PostMortemProcess {
30 public:
31   static lldb::ProcessSP CreateInstance(lldb::TargetSP target_sp,
32                                         lldb::ListenerSP listener_sp,
33                                         const FileSpec *crash_file_path,
34                                         bool can_connect);
35 
36   static void Initialize();
37 
38   static void Terminate();
39 
40   static llvm::StringRef GetPluginNameStatic() { return "minidump"; }
41 
42   static llvm::StringRef GetPluginDescriptionStatic();
43 
44   ProcessMinidump(lldb::TargetSP target_sp, lldb::ListenerSP listener_sp,
45                   const FileSpec &core_file, lldb::DataBufferSP code_data);
46 
47   ~ProcessMinidump() override;
48 
49   bool CanDebug(lldb::TargetSP target_sp,
50                 bool plugin_specified_by_name) override;
51 
52   CommandObject *GetPluginCommandObject() override;
53 
54   Status DoLoadCore() override;
55 
56   DynamicLoader *GetDynamicLoader() override { return nullptr; }
57 
58   llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }
59 
60   SystemRuntime *GetSystemRuntime() override { return nullptr; }
61 
62   Status DoDestroy() override;
63 
64   void RefreshStateAfterStop() override;
65 
66   bool IsAlive() override;
67 
68   bool WarnBeforeDetach() const override;
69 
70   size_t ReadMemory(lldb::addr_t addr, void *buf, size_t size,
71                     Status &error) override;
72 
73   size_t DoReadMemory(lldb::addr_t addr, void *buf, size_t size,
74                       Status &error) override;
75 
76   ArchSpec GetArchitecture();
77 
78   Status GetMemoryRegions(
79       lldb_private::MemoryRegionInfos &region_list) override;
80 
81   bool GetProcessInfo(ProcessInstanceInfo &info) override;
82 
83   Status WillResume() override {
84     Status error;
85     error.SetErrorStringWithFormatv(
86         "error: {0} does not support resuming processes", GetPluginName());
87     return error;
88   }
89 
90   llvm::Optional<MinidumpParser> m_minidump_parser;
91 
92 protected:
93   void Clear();
94 
95   bool DoUpdateThreadList(ThreadList &old_thread_list,
96                           ThreadList &new_thread_list) override;
97 
98   Status DoGetMemoryRegionInfo(lldb::addr_t load_addr,
99                                MemoryRegionInfo &range_info) override;
100 
101   void ReadModuleList();
102 
103   lldb::ModuleSP GetOrCreateModule(lldb_private::UUID minidump_uuid,
104                                    llvm::StringRef name,
105                                    lldb_private::ModuleSpec module_spec);
106 
107   JITLoaderList &GetJITLoaders() override;
108 
109 private:
110   FileSpec m_core_file;
111   lldb::DataBufferSP m_core_data;
112   llvm::ArrayRef<minidump::Thread> m_thread_list;
113   const minidump::ExceptionStream *m_active_exception;
114   lldb::CommandObjectSP m_command_sp;
115   bool m_is_wow64;
116   llvm::Optional<MemoryRegionInfos> m_memory_regions;
117 
118   void BuildMemoryRegions();
119 };
120 
121 } // namespace minidump
122 } // namespace lldb_private
123 
124 #endif // LLDB_SOURCE_PLUGINS_PROCESS_MINIDUMP_PROCESSMINIDUMP_H
125