[Lldb-commits] [lldb] [lldb] Implement WebAssembly debugging (PR #77949)

[Xu Jun via lldb-commits]

================
@@ -0,0 +1,291 @@
+//===-- 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"});
----------------
xujuntwt95329 wrote:

WebAssembly doesn't define its own signal system, here we simply use UnixSignals and expect the WebAssembly runtime always use UnixSignals on all platforms.

https://github.com/llvm/llvm-project/pull/77949