Commit 049d19bb authored by Thomas Weißschuh's avatar Thomas Weißschuh Committed by Thomas Gleixner
Browse files

elf, uapi: Add definitions for VER_FLG_BASE and VER_FLG_WEAK 



The definitions are used by tools/testing/selftests/vDSO/parse_vdso.c.

To be able to build the vDSO selftests without a libc dependency,
add the definitions to the kernels own UAPI headers.

Signed-off-by: default avatarThomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Reviewed-by: default avatarKees Cook <kees@kernel.org>
Reviewed-by: default avatarVincenzo Frascino <vincenzo.frascino@arm.com>
Acked-by: default avatarShuah Khan <skhan@linuxfoundation.org>
Link: https://docs.oracle.com/cd/E19683-01/816-1386/chapter6-80869/index.html
Link: https://lore.kernel.org/all/20250226-parse_vdso-nolibc-v2-4-28e14e031ed8@linutronix.de
parent 50881d14

include/uapi/linux/elf.h

+3 −0
Original line number Diff line number Diff line
@@ -136,6 +136,9 @@ typedef __s64 Elf64_Sxword; 
#define STT_COMMON  5

#define STT_TLS     6



#define VER_FLG_BASE 0x1

#define VER_FLG_WEAK 0x2



#define ELF_ST_BIND(x)		((x) >> 4)

#define ELF_ST_TYPE(x)		((x) & 0xf)

#define ELF32_ST_BIND(x)	ELF_ST_BIND(x)