linux-kernel - [PATCH 02/10] tools/nolibc: add elf.h

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Message-Id: <20250416-nolibc-split-sys-v1-2-a069a3f1d145@linutronix.de>
Date: Wed, 16 Apr 2025 14:06:17 +0200
From: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
To: Willy Tarreau <w@....eu>, 
 Thomas Weißschuh <linux@...ssschuh.net>
Cc: linux-kernel@...r.kernel.org, 
 Thomas Weißschuh <thomas.weissschuh@...utronix.de>
Subject: [PATCH 02/10] tools/nolibc: add elf.h

The UAPI header do already provide an elf.h implementation.
Reexport it under its libc name.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
---
 tools/include/nolibc/Makefile |  1 +
 tools/include/nolibc/elf.h    | 15 +++++++++++++++
 tools/include/nolibc/nolibc.h |  1 +
 3 files changed, 17 insertions(+)

diff --git a/tools/include/nolibc/Makefile b/tools/include/nolibc/Makefile
index f562cb53be10efc4e0758b8836cf3ace5b3c151f..fd76d267d79a8533b7e78375c30324c962b01973 100644
--- a/tools/include/nolibc/Makefile
+++ b/tools/include/nolibc/Makefile
@@ -30,6 +30,7 @@ all_files := \
 		crt.h \
 		ctype.h \
 		dirent.h \
+		elf.h \
 		errno.h \
 		limits.h \
 		nolibc.h \
diff --git a/tools/include/nolibc/elf.h b/tools/include/nolibc/elf.h
new file mode 100644
index 0000000000000000000000000000000000000000..beb0b3a87569a3037055c8fe7e9b086a26ca7d13
--- /dev/null
+++ b/tools/include/nolibc/elf.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: LGPL-2.1 OR MIT */
+/*
+ * Shim elf.h header for NOLIBC.
+ * Copyright (C) 2025 Thomas Weißschuh <thomas.weissschuh@...utronix.de>
+ */
+
+#ifndef _NOLIBC_SYS_ELF_H
+#define _NOLIBC_SYS_ELF_H
+
+#include <linux/elf.h>
+
+/* make sure to include all global symbols */
+#include "nolibc.h"
+
+#endif /* _NOLIBC_SYS_ELF_H */
diff --git a/tools/include/nolibc/nolibc.h b/tools/include/nolibc/nolibc.h
index 70872401aca8d5aa37b12ee585193353f692576d..127f0d9068c6508bd45acfe0ebf2ce15acc422b0 100644
--- a/tools/include/nolibc/nolibc.h
+++ b/tools/include/nolibc/nolibc.h
@@ -97,6 +97,7 @@
 #include "types.h"
 #include "sys.h"
 #include "ctype.h"
+#include "elf.h"
 #include "signal.h"
 #include "unistd.h"
 #include "stdio.h"

-- 
2.49.0