| 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 | |
| 20 | void 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(x: type); |
| 36 | if (pos == runtimes.end()) { |
| 37 | runtimes[type] = create_callback(process->shared_from_this()); |
| 38 | } |
| 39 | } |
| 40 | } |
| 41 | |
| 42 | void 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(callback: [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(string: 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 |
| 74 | InstrumentationRuntime::GetBacktracesFromExtendedStopInfo( |
| 75 | StructuredData::ObjectSP info) { |
| 76 | return ThreadCollectionSP(new ThreadCollection()); |
| 77 | } |
| 78 |