1 //===-- InstrumentationRuntime.cpp ----------------------------------------===// 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 #include "lldb/Target/InstrumentationRuntime.h" 10 #include "lldb/Core/Module.h" 11 #include "lldb/Core/ModuleList.h" 12 #include "lldb/Core/PluginManager.h" 13 #include "lldb/Target/Process.h" 14 #include "lldb/Utility/RegularExpression.h" 15 #include "lldb/lldb-private.h" 16 17 using namespace lldb; 18 using namespace lldb_private; 19 ModulesDidLoad(lldb_private::ModuleList & module_list,lldb_private::Process * process,InstrumentationRuntimeCollection & runtimes)20void InstrumentationRuntime::ModulesDidLoad( 21 lldb_private::ModuleList &module_list, lldb_private::Process *process, 22 InstrumentationRuntimeCollection &runtimes) { 23 InstrumentationRuntimeCreateInstance create_callback = nullptr; 24 InstrumentationRuntimeGetType get_type_callback; 25 for (uint32_t idx = 0;; ++idx) { 26 create_callback = 27 PluginManager::GetInstrumentationRuntimeCreateCallbackAtIndex(idx); 28 if (create_callback == nullptr) 29 break; 30 get_type_callback = 31 PluginManager::GetInstrumentationRuntimeGetTypeCallbackAtIndex(idx); 32 InstrumentationRuntimeType type = get_type_callback(); 33 34 InstrumentationRuntimeCollection::iterator pos; 35 pos = runtimes.find(type); 36 if (pos == runtimes.end()) { 37 runtimes[type] = create_callback(process->shared_from_this()); 38 } 39 } 40 } 41 ModulesDidLoad(lldb_private::ModuleList & module_list)42void InstrumentationRuntime::ModulesDidLoad( 43 lldb_private::ModuleList &module_list) { 44 if (IsActive()) 45 return; 46 47 if (GetRuntimeModuleSP()) { 48 Activate(); 49 return; 50 } 51 52 module_list.ForEach([this](const lldb::ModuleSP module_sp) -> bool { 53 const FileSpec &file_spec = module_sp->GetFileSpec(); 54 if (!file_spec) 55 return true; // Keep iterating. 56 57 const RegularExpression &runtime_regex = GetPatternForRuntimeLibrary(); 58 if (runtime_regex.Execute(file_spec.GetFilename().GetCString()) || 59 module_sp->IsExecutable()) { 60 if (CheckIfRuntimeIsValid(module_sp)) { 61 SetRuntimeModuleSP(module_sp); 62 Activate(); 63 if (!IsActive()) 64 SetRuntimeModuleSP({}); // Don't cache module if activation failed. 65 return false; // Stop iterating, we're done. 66 } 67 } 68 69 return true; 70 }); 71 } 72 73 lldb::ThreadCollectionSP GetBacktracesFromExtendedStopInfo(StructuredData::ObjectSP info)74InstrumentationRuntime::GetBacktracesFromExtendedStopInfo( 75 StructuredData::ObjectSP info) { 76 return ThreadCollectionSP(new ThreadCollection()); 77 } 78