From 5f02070655b3c1f2ab50a82fd5f466aaeb7af44a Mon Sep 17 00:00:00 2001
From: Dmitry Vyukov <dvyukov@google.com>
Date: Mon, 10 Jun 2024 11:06:30 +0200
Subject: executor: add end-to-end coverage/signal/comparisons test

---
 executor/executor_linux.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'executor/executor_linux.h')

diff --git a/executor/executor_linux.h b/executor/executor_linux.h
index bfd81776f..445a278e2 100644
--- a/executor/executor_linux.h
+++ b/executor/executor_linux.h
@@ -182,6 +182,17 @@ static bool use_cover_edges(uint32 pc)
 	return true;
 }
 
+static bool is_kernel_data(uint64 addr)
+{
+#if GOARCH_386 || GOARCH_amd64
+	// This range corresponds to the first 1TB of the physical memory mapping,
+	// see Documentation/arch/x86/x86_64/mm.rst.
+	return addr >= 0xffff880000000000ull && addr < 0xffff890000000000ull;
+#else
+	return false;
+#endif
+}
+
 static bool use_cover_edges(uint64 pc)
 {
 #if GOARCH_amd64 || GOARCH_arm64
-- 
cgit mrf-deployment