5 files changed, 38 insertions, 0 deletions
diff --git a/tools/include/linux/bitops.h b/tools/include/linux/bitops.h
index f18683b95ea6..7319f6ced108 100644
--- a/tools/include/linux/bitops.h
+++ b/tools/include/linux/bitops.h
@@ -87,4 +87,15 @@ static inline __u32 rol32(__u32 word, unsigned int shift)
 	return (word << shift) | (word >> ((-shift) & 31));
 }
 
+/**
+ * sign_extend64 - sign extend a 64-bit value using specified bit as sign-bit
+ * @value: value to sign extend
+ * @index: 0 based bit index (0<=index<64) to sign bit
+ */
+static __always_inline __s64 sign_extend64(__u64 value, int index)
+{
+	__u8 shift = 63 - index;
+	return (__s64)(value << shift) >> shift;
+}
+
 #endif
diff --git a/tools/include/linux/btf_ids.h b/tools/include/linux/btf_ids.h
index 72535f00572f..72ea363d434d 100644
--- a/tools/include/linux/btf_ids.h
+++ b/tools/include/linux/btf_ids.h
@@ -3,6 +3,8 @@
 #ifndef _LINUX_BTF_IDS_H
 #define _LINUX_BTF_IDS_H
 
+#include <linux/types.h> /* for u32 */
+
 struct btf_id_set {
 	u32 cnt;
 	u32 ids[];
diff --git a/tools/include/linux/kernel.h b/tools/include/linux/kernel.h
index 4b0673bf52c2..07cfad817d53 100644
--- a/tools/include/linux/kernel.h
+++ b/tools/include/linux/kernel.h
@@ -8,6 +8,7 @@
 #include <linux/build_bug.h>
 #include <linux/compiler.h>
 #include <linux/math.h>
+#include <linux/panic.h>
 #include <endian.h>
 #include <byteswap.h>
 
diff --git a/tools/include/linux/mm.h b/tools/include/linux/mm.h
index f3c82ab5b14c..7d73da098047 100644
--- a/tools/include/linux/mm.h
+++ b/tools/include/linux/mm.h
@@ -37,4 +37,9 @@ static inline void totalram_pages_add(long count)
 {
 }
 
+static inline int early_pfn_to_nid(unsigned long pfn)
+{
+	return 0;
+}
+
 #endif
diff --git a/tools/include/linux/panic.h b/tools/include/linux/panic.h
new file mode 100644
index 000000000000..9c8f17a41ce8
--- /dev/null
+++ b/tools/include/linux/panic.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _TOOLS_LINUX_PANIC_H
+#define _TOOLS_LINUX_PANIC_H
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+static inline void panic(const char *fmt, ...)
+{
+	va_list argp;
+
+	va_start(argp, fmt);
+	vfprintf(stderr, fmt, argp);
+	va_end(argp);
+	exit(-1);
+}
+
+#endif