From 8aab8faf305c8e9ba2883232e30f27822feb4ba5 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Sat, 11 Apr 2020 23:37:11 +0200
Subject: [PATCH] ProfileViewer: Open /boot/kernel for disassembly if possible

If you have access to /boot/kernel, you can see the disassembly of
kernel code in ProfileViewer. This is really useful! :^)
---
 DevTools/ProfileViewer/DisassemblyModel.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/DevTools/ProfileViewer/DisassemblyModel.cpp b/DevTools/ProfileViewer/DisassemblyModel.cpp
index 52f6552a737..e2ca4028c55 100644
--- a/DevTools/ProfileViewer/DisassemblyModel.cpp
+++ b/DevTools/ProfileViewer/DisassemblyModel.cpp
@@ -54,7 +54,12 @@ DisassemblyModel::DisassemblyModel(Profile& profile, ProfileNode& node)
     : m_profile(profile)
     , m_node(node)
 {
-    m_file = make<MappedFile>(profile.executable_path());
+    String path;
+    if (m_node.address() >= 0xc0000000)
+        path = "/boot/kernel";
+    else
+        path = profile.executable_path();
+    m_file = make<MappedFile>(path);
 
     if (!m_file->is_valid())
         return;