[Lldb-commits] [lldb] [lldb] Implement WebAssembly debugging (PR #76683)

[Jonas Devlieghere via lldb-commits]

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+// This file comes from https://reviews.llvm.org/D78978.
+// Author: [@paolosev](https://reviews.llvm.org/p/paolosev/).
+
+//===-- ProcessWasm.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 "ProcessWasm.h"
+#include "ThreadWasm.h"
+#include "lldb/Core/Module.h"
+#include "lldb/Core/PluginManager.h"
+#include "lldb/Utility/DataBufferHeap.h"
+
+#include "lldb/Target/UnixSignals.h"
+#include "llvm/ADT/ArrayRef.h"
+
+using namespace lldb;
+using namespace lldb_private;
+using namespace lldb_private::process_gdb_remote;
+using namespace lldb_private::wasm;
+
+LLDB_PLUGIN_DEFINE(ProcessWasm)
+
+// ProcessGDBRemote constructor
+ProcessWasm::ProcessWasm(lldb::TargetSP target_sp, ListenerSP listener_sp)
+    : ProcessGDBRemote(target_sp, listener_sp) {
+  /* always use linux signals for wasm process */
+  m_unix_signals_sp = UnixSignals::Create(ArchSpec{"wasm32-unknown-unknown-wasm"});
+}
+
+void ProcessWasm::Initialize() {
+  static llvm::once_flag g_once_flag;
+
+  llvm::call_once(g_once_flag, []() {
+    PluginManager::RegisterPlugin(GetPluginNameStatic(),
+                                  GetPluginDescriptionStatic(), CreateInstance,
+                                  DebuggerInitialize);
+  });
+}
+
+void ProcessWasm::DebuggerInitialize(Debugger &debugger) {
+  ProcessGDBRemote::DebuggerInitialize(debugger);
+}
+
+// PluginInterface
+llvm::StringRef ProcessWasm::GetPluginName() { return GetPluginNameStatic(); }
+
+ConstString ProcessWasm::GetPluginNameStatic() {
+  static ConstString g_name("wasm");
+  return g_name;
+}
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JDevlieghere wrote:

`GetPluginNameStatic` should return a `llvm::StringRef`. Same for `GetPluginDescriptionStatic` below.

https://github.com/llvm/llvm-project/pull/76683