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/Target/InstrumentationRuntime.h"
15 #include "lldb/Core/Module.h"
16 #include "lldb/Core/ModuleList.h"
17 #include "lldb/Core/PluginManager.h"
18 #include "lldb/Core/RegularExpression.h"
19 #include "lldb/Target/Process.h"
20 #include "lldb/lldb-private.h"
21 
22 using namespace lldb;
23 using namespace lldb_private;
24 
25 void InstrumentationRuntime::ModulesDidLoad(
26     lldb_private::ModuleList &module_list, lldb_private::Process *process,
27     InstrumentationRuntimeCollection &runtimes) {
28   InstrumentationRuntimeCreateInstance create_callback = nullptr;
29   InstrumentationRuntimeGetType get_type_callback;
30   for (uint32_t idx = 0;; ++idx) {
31     create_callback =
32         PluginManager::GetInstrumentationRuntimeCreateCallbackAtIndex(idx);
33     if (create_callback == nullptr)
34       break;
35     get_type_callback =
36         PluginManager::GetInstrumentationRuntimeGetTypeCallbackAtIndex(idx);
37     InstrumentationRuntimeType type = get_type_callback();
38 
39     InstrumentationRuntimeCollection::iterator pos;
40     pos = runtimes.find(type);
41     if (pos == runtimes.end()) {
42       runtimes[type] = create_callback(process->shared_from_this());
43     }
44   }
45 }
46 
47 void InstrumentationRuntime::ModulesDidLoad(
48     lldb_private::ModuleList &module_list) {
49   if (IsActive())
50     return;
51 
52   if (GetRuntimeModuleSP()) {
53     Activate();
54     return;
55   }
56 
57   module_list.ForEach([this](const lldb::ModuleSP module_sp) -> bool {
58     const FileSpec &file_spec = module_sp->GetFileSpec();
59     if (!file_spec)
60       return true; // Keep iterating.
61 
62     const RegularExpression &runtime_regex = GetPatternForRuntimeLibrary();
63     if (runtime_regex.Execute(file_spec.GetFilename().GetCString()) ||
64         module_sp->IsExecutable()) {
65       if (CheckIfRuntimeIsValid(module_sp)) {
66         SetRuntimeModuleSP(module_sp);
67         Activate();
68         return false; // Stop iterating, we're done.
69       }
70     }
71 
72     return true;
73   });
74 }
75 
76 lldb::ThreadCollectionSP
77 InstrumentationRuntime::GetBacktracesFromExtendedStopInfo(
78     StructuredData::ObjectSP info) {
79   return ThreadCollectionSP(new ThreadCollection());
80 }
81