[tip: timers/vdso] tools/nolibc: add limits.h shim header

[tip-bot2 for Thomas Weißschuh]

The following commit has been merged into the timers/vdso branch of tip:

Commit-ID:     5caaa0aa7c61513a2f606fd6d00fc29ae475ce9e
Gitweb:        https://git.kernel.org/tip/5caaa0aa7c61513a2f606fd6d00fc29ae475ce9e
Author:        Thomas Weißschuh <thomas.weissschuh@xxxxxxxxxxxxx>
AuthorDate:    Wed, 26 Feb 2025 12:44:48 +01:00
Committer:     Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Mon, 03 Mar 2025 20:00:12 +01:00

tools/nolibc: add limits.h shim header

limits.h is a widely used standard header.  Missing it from nolibc requires
adoption effort to port applications.

Add a shim header which includes the global nolibc.h header.
It makes all nolibc symbols available.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@xxxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Tested-by: Willy Tarreau <w@xxxxxx>
Reviewed-by: Vincenzo Frascino <vincenzo.frascino@xxxxxxx>
Acked-by: Willy Tarreau <w@xxxxxx>
Acked-by: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/all/20250226-parse_vdso-nolibc-v2-9-28e14e031ed8@xxxxxxxxxxxxx
---
 tools/include/nolibc/Makefile | 1 +
 tools/include/nolibc/limits.h | 7 +++++++
 2 files changed, 8 insertions(+)
 create mode 100644 tools/include/nolibc/limits.h

diff --git a/tools/include/nolibc/Makefile b/tools/include/nolibc/Makefile
index a1f55fb..c1299a0 100644
--- a/tools/include/nolibc/Makefile
+++ b/tools/include/nolibc/Makefile
@@ -30,6 +30,7 @@ all_files := \
 		crt.h \
 		ctype.h \
 		errno.h \
+		limits.h \
 		nolibc.h \
 		signal.h \
 		stackprotector.h \
diff --git a/tools/include/nolibc/limits.h b/tools/include/nolibc/limits.h
new file mode 100644
index 0000000..306d414
--- /dev/null
+++ b/tools/include/nolibc/limits.h
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: LGPL-2.1 OR MIT */
+/*
+ * Shim limits.h header for NOLIBC.
+ * Copyright (C) 2025 Thomas Weißschuh <thomas.weissschuh@xxxxxxxxxxxxx>
+ */
+
+#include "nolibc.h"