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