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b=Sjm68L9eF/hUNa0nEAY0tzxfUbxDZYE1MUiD5Fk9SLOck/3PWCN3jpbY/bUS8SI5YVUbGF hCRi9fuEHqdq35BQ== Date: Mon, 03 Feb 2025 10:05:05 +0100 Subject: [PATCH 04/16] elf, uapi: Add definitions for VER_FLG_BASE and VER_FLG_WEAK MIME-Version: 1.0 Message-Id: <20250203-parse_vdso-nolibc-v1-4-9cb6268d77be@linutronix.de> References: <20250203-parse_vdso-nolibc-v1-0-9cb6268d77be@linutronix.de> In-Reply-To: <20250203-parse_vdso-nolibc-v1-0-9cb6268d77be@linutronix.de> To: Kees Cook , Eric Biederman , Shuah Khan , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Andy Lutomirski , Thomas Gleixner , Vincenzo Frascino Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, llvm@lists.linux.dev, =?utf-8?q?Thomas_We?= =?utf-8?q?i=C3=9Fschuh?= X-Developer-Signature: v=1; a=ed25519-sha256; t=1738573516; l=934; i=thomas.weissschuh@linutronix.de; s=20240209; h=from:subject:message-id; bh=qvBznUpLU05pMIiidsZrHxM0XCMJ36Udyt/zDIm3nn4=; b=N8EPe4SWUVakAB+4BPyrhp+oOoSFOcjUMNsXcY5d4XdoEUO4bPdfxTJ6W5cfbOZaySJ6omt62 ytTq7NtvGNkCW12u5RjsjBz7GO8xJJU+SKCKOKILAq4iUyh2Aw1gKGd X-Developer-Key: i=thomas.weissschuh@linutronix.de; a=ed25519; pk=pfvxvpFUDJV2h2nY0FidLUml22uGLSjByFbM6aqQQws= X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: BA635C000E X-Stat-Signature: zman8kmwi1wbb6nf3mhmepdjbpo5noie X-Rspam-User: X-HE-Tag: 1738573521-149041 X-HE-Meta: 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 4cEnXIGl 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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. Link: https://docs.oracle.com/cd/E19683-01/816-1386/chapter6-80869/index.html Signed-off-by: Thomas Weißschuh Reviewed-by: Kees Cook --- include/uapi/linux/elf.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h index c5383cc7bb13c931fea083de5243c4006f795006..d040f12ff1c0ae3dde5c371c81d6089118fbe8ed 100644 --- a/include/uapi/linux/elf.h +++ b/include/uapi/linux/elf.h @@ -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)