[llvm] [Offload] Add a stub unloadBinaryImpl for host device (PR #145716)

[Ross Brunton via llvm-commits]

https://github.com/RossBrunton created https://github.com/llvm/llvm-project/pull/145716

None

>From f24db207a9a5ba7fbb0b95d2f98189b93cef7a87 Mon Sep 17 00:00:00 2001
From: Ross Brunton <ross at codeplay.com>
Date: Wed, 25 Jun 2025 16:03:22 +0100
Subject: [PATCH] [Offload] Add a stub unloadBinaryImpl for host device

---
 offload/plugins-nextgen/host/src/rtl.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/offload/plugins-nextgen/host/src/rtl.cpp b/offload/plugins-nextgen/host/src/rtl.cpp
index ced9208acaedc..817a6c6d87d13 100644
--- a/offload/plugins-nextgen/host/src/rtl.cpp
+++ b/offload/plugins-nextgen/host/src/rtl.cpp
@@ -147,6 +147,14 @@ struct GenELF64DeviceTy : public GenericDeviceTy {
   /// Initialize the device, which is a no-op
   Error initImpl(GenericPluginTy &Plugin) override { return Plugin::success(); }
 
+  /// Unload the binary image
+  ///
+  /// TODO: This currently does nothing, and should be implemented as part of
+  /// broader memory handling logic for this plugin
+  Error unloadBinaryImpl(DeviceImageTy *) override {
+    return Plugin::success();
+  }
+
   /// Deinitialize the device, which is a no-op
   Error deinitImpl() override { return Plugin::success(); }