| 1 | //===-- symbolLocator.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/Symbol/SymbolLocator.h" |
| 10 | |
| 11 | #include "lldb/Core/Debugger.h" |
| 12 | #include "lldb/Core/PluginManager.h" |
| 13 | #include "lldb/Host/Host.h" |
| 14 | |
| 15 | #include "llvm/ADT/SmallSet.h" |
| 16 | #include "llvm/Support/ThreadPool.h" |
| 17 | |
| 18 | using namespace lldb; |
| 19 | using namespace lldb_private; |
| 20 | |
| 21 | void SymbolLocator::DownloadSymbolFileAsync(const UUID &uuid) { |
| 22 | static llvm::SmallSet<UUID, 8> g_seen_uuids; |
| 23 | static std::mutex g_mutex; |
| 24 | |
| 25 | auto lookup = [=]() { |
| 26 | { |
| 27 | std::lock_guard<std::mutex> guard(g_mutex); |
| 28 | if (g_seen_uuids.count(V: uuid)) |
| 29 | return; |
| 30 | g_seen_uuids.insert(V: uuid); |
| 31 | } |
| 32 | |
| 33 | Status error; |
| 34 | ModuleSpec module_spec; |
| 35 | module_spec.GetUUID() = uuid; |
| 36 | if (!PluginManager::DownloadObjectAndSymbolFile(module_spec, error, |
| 37 | /*force_lookup=*/true, |
| 38 | /*copy_executable=*/true)) |
| 39 | return; |
| 40 | |
| 41 | if (error.Fail()) |
| 42 | return; |
| 43 | |
| 44 | Debugger::ReportSymbolChange(module_spec); |
| 45 | }; |
| 46 | |
| 47 | switch (ModuleList::GetGlobalModuleListProperties().GetSymbolAutoDownload()) { |
| 48 | case eSymbolDownloadOff: |
| 49 | break; |
| 50 | case eSymbolDownloadBackground: |
| 51 | Debugger::GetThreadPool().async(F&: lookup); |
| 52 | break; |
| 53 | case eSymbolDownloadForeground: |
| 54 | lookup(); |
| 55 | break; |
| 56 | }; |
| 57 | } |
| 58 |