1 //===-- InstrumentationRuntime.cpp ------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===---------------------------------------------------------------------===//
9 
10 // C Includes
11 // C++ Includes
12 // Other libraries and framework includes
13 // Project includes
14 #include "lldb/lldb-private.h"
15 #include "lldb/Target/Process.h"
16 #include "lldb/Core/Module.h"
17 #include "lldb/Core/ModuleList.h"
18 #include "lldb/Core/PluginManager.h"
19 #include "lldb/Core/RegularExpression.h"
20 #include "lldb/Target/InstrumentationRuntime.h"
21 
22 using namespace lldb;
23 using namespace lldb_private;
24 
25 void
26 InstrumentationRuntime::ModulesDidLoad(lldb_private::ModuleList &module_list, lldb_private::Process *process, InstrumentationRuntimeCollection &runtimes)
27 {
28     InstrumentationRuntimeCreateInstance create_callback = nullptr;
29     InstrumentationRuntimeGetType get_type_callback;
30     for (uint32_t idx = 0; ; ++idx)
31     {
32         create_callback = PluginManager::GetInstrumentationRuntimeCreateCallbackAtIndex(idx);
33         if (create_callback == nullptr)
34             break;
35         get_type_callback = PluginManager::GetInstrumentationRuntimeGetTypeCallbackAtIndex(idx);
36         InstrumentationRuntimeType type = get_type_callback();
37 
38         InstrumentationRuntimeCollection::iterator pos;
39         pos = runtimes.find (type);
40         if (pos == runtimes.end()) {
41             runtimes[type] = create_callback(process->shared_from_this());
42         }
43     }
44 }
45 
46 void
47 InstrumentationRuntime::ModulesDidLoad(lldb_private::ModuleList &module_list)
48 {
49     if (IsActive())
50         return;
51 
52     if (GetRuntimeModuleSP())
53     {
54         Activate();
55         return;
56     }
57 
58     module_list.ForEach([this](const lldb::ModuleSP module_sp) -> bool {
59         const FileSpec &file_spec = module_sp->GetFileSpec();
60         if (!file_spec)
61             return true; // Keep iterating.
62 
63         const RegularExpression &runtime_regex = GetPatternForRuntimeLibrary();
64         if (runtime_regex.Execute(file_spec.GetFilename().GetCString()) || module_sp->IsExecutable())
65         {
66             if (CheckIfRuntimeIsValid(module_sp))
67             {
68                 SetRuntimeModuleSP(module_sp);
69                 Activate();
70                 return false; // Stop iterating, we're done.
71             }
72         }
73 
74         return true;
75     });
76 }
77 
78 lldb::ThreadCollectionSP
79 InstrumentationRuntime::GetBacktracesFromExtendedStopInfo(StructuredData::ObjectSP info)
80 {
81     return ThreadCollectionSP(new ThreadCollection());
82 }
83