| //===-- symbolLocator.cpp -------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "lldb/Symbol/SymbolLocator.h" |
| |
| #include "lldb/Core/Debugger.h" |
| #include "lldb/Core/PluginManager.h" |
| #include "lldb/Host/Host.h" |
| |
| #include "llvm/ADT/SmallSet.h" |
| #include "llvm/Support/ThreadPool.h" |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| |
| void SymbolLocator::DownloadSymbolFileAsync(const UUID &uuid) { |
| static llvm::SmallSet<UUID, 8> g_seen_uuids; |
| static std::mutex g_mutex; |
| |
| auto lookup = [=]() { |
| { |
| std::lock_guard<std::mutex> guard(g_mutex); |
| if (g_seen_uuids.count(uuid)) |
| return; |
| g_seen_uuids.insert(uuid); |
| } |
| |
| Status error; |
| ModuleSpec module_spec; |
| module_spec.GetUUID() = uuid; |
| if (!PluginManager::DownloadObjectAndSymbolFile(module_spec, error, |
| /*force_lookup=*/true, |
| /*copy_executable=*/true)) |
| return; |
| |
| if (error.Fail()) |
| return; |
| |
| Debugger::ReportSymbolChange(module_spec); |
| }; |
| |
| switch (ModuleList::GetGlobalModuleListProperties().GetSymbolAutoDownload()) { |
| case eSymbolDownloadOff: |
| break; |
| case eSymbolDownloadBackground: |
| Debugger::GetThreadPool().async(lookup); |
| break; |
| case eSymbolDownloadForeground: |
| lookup(); |
| break; |
| }; |
| } |