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Message-Id: <20250812-vdso-absolute-reloc-v4-4-61a8b615e5ec@linutronix.de> Date: Tue, 12 Aug 2025 07:44:17 +0200 From: Thomas Weißschuh <thomas.weissschuh@...utronix.de> To: Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, Alexandre Ghiti <alex@...ti.fr>, Nathan Chancellor <nathan@...nel.org>, Nick Desaulniers <nick.desaulniers+lkml@...il.com>, Bill Wendling <morbo@...gle.com>, Justin Stitt <justinstitt@...gle.com>, Andy Lutomirski <luto@...nel.org>, Thomas Gleixner <tglx@...utronix.de>, Vincenzo Frascino <vincenzo.frascino@....com>, Kees Cook <kees@...nel.org>, Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org, "H. Peter Anvin" <hpa@...or.com>, Richard Weinberger <richard@....at>, Anton Ivanov <anton.ivanov@...bridgegreys.com>, Johannes Berg <johannes@...solutions.net>, Russell King <linux@...linux.org.uk>, Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>, Madhavan Srinivasan <maddy@...ux.ibm.com>, Michael Ellerman <mpe@...erman.id.au>, Nicholas Piggin <npiggin@...il.com>, Christophe Leroy <christophe.leroy@...roup.eu>, Huacai Chen <chenhuacai@...nel.org>, WANG Xuerui <kernel@...0n.name>, Heiko Carstens <hca@...ux.ibm.com>, Vasily Gorbik <gor@...ux.ibm.com>, Alexander Gordeev <agordeev@...ux.ibm.com>, Christian Borntraeger <borntraeger@...ux.ibm.com>, Sven Schnelle <svens@...ux.ibm.com>, Thomas Bogendoerfer <tsbogend@...ha.franken.de>, Miguel Ojeda <ojeda@...nel.org>, Alex Gaynor <alex.gaynor@...il.com>, Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>, Björn Roy Baron <bjorn3_gh@...tonmail.com>, Benno Lossin <lossin@...nel.org>, Andreas Hindborg <a.hindborg@...nel.org>, Alice Ryhl <aliceryhl@...gle.com>, Trevor Gross <tmgross@...ch.edu>, Danilo Krummrich <dakr@...nel.org>, Nicolas Schier <nicolas.schier@...ux.dev> Cc: linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org, llvm@...ts.linux.dev, linux-mm@...ck.org, linux-um@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org, linuxppc-dev@...ts.ozlabs.org, loongarch@...ts.linux.dev, linux-s390@...r.kernel.org, linux-mips@...r.kernel.org, rust-for-linux@...r.kernel.org, linux-kbuild@...r.kernel.org, Jan Stancek <jstancek@...hat.com>, Arnaldo Carvalho de Melo <acme@...hat.com>, Alexandre Ghiti <alexghiti@...osinc.com>, Thomas Weißschuh <thomas.weissschuh@...utronix.de> Subject: [PATCH v4 04/24] arm64: elf: Move relocation constants to UAPI These constants are useful for cross-platform userspace, for example to process ELF files during kernel cross-compilation. Move them from the kernel-private architecture-specific header to the UAPI. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@...utronix.de> --- arch/arm64/include/asm/elf.h | 54 -------------------------------------------- include/uapi/linux/elf-r.h | 52 ++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 52 insertions(+), 54 deletions(-) diff --git a/arch/arm64/include/asm/elf.h b/arch/arm64/include/asm/elf.h index 8efcfe7efe0c70c59b9b81f93ac9c1442bc7656a..a14b88fb485e60f89332f0c6b58ed929eb6600b6 100644 --- a/arch/arm64/include/asm/elf.h +++ b/arch/arm64/include/asm/elf.h @@ -13,60 +13,6 @@ #include <asm/ptrace.h> #include <asm/user.h> -/* - * AArch64 static relocation types. - */ - -/* Miscellaneous. */ -#define R_AARCH64_NONE 256 - -/* Data. */ -#define R_AARCH64_ABS64 257 -#define R_AARCH64_ABS32 258 -#define R_AARCH64_ABS16 259 -#define R_AARCH64_PREL64 260 -#define R_AARCH64_PREL32 261 -#define R_AARCH64_PREL16 262 - -/* Instructions. */ -#define R_AARCH64_MOVW_UABS_G0 263 -#define R_AARCH64_MOVW_UABS_G0_NC 264 -#define R_AARCH64_MOVW_UABS_G1 265 -#define R_AARCH64_MOVW_UABS_G1_NC 266 -#define R_AARCH64_MOVW_UABS_G2 267 -#define R_AARCH64_MOVW_UABS_G2_NC 268 -#define R_AARCH64_MOVW_UABS_G3 269 - -#define R_AARCH64_MOVW_SABS_G0 270 -#define R_AARCH64_MOVW_SABS_G1 271 -#define R_AARCH64_MOVW_SABS_G2 272 - -#define R_AARCH64_LD_PREL_LO19 273 -#define R_AARCH64_ADR_PREL_LO21 274 -#define R_AARCH64_ADR_PREL_PG_HI21 275 -#define R_AARCH64_ADR_PREL_PG_HI21_NC 276 -#define R_AARCH64_ADD_ABS_LO12_NC 277 -#define R_AARCH64_LDST8_ABS_LO12_NC 278 - -#define R_AARCH64_TSTBR14 279 -#define R_AARCH64_CONDBR19 280 -#define R_AARCH64_JUMP26 282 -#define R_AARCH64_CALL26 283 -#define R_AARCH64_LDST16_ABS_LO12_NC 284 -#define R_AARCH64_LDST32_ABS_LO12_NC 285 -#define R_AARCH64_LDST64_ABS_LO12_NC 286 -#define R_AARCH64_LDST128_ABS_LO12_NC 299 - -#define R_AARCH64_MOVW_PREL_G0 287 -#define R_AARCH64_MOVW_PREL_G0_NC 288 -#define R_AARCH64_MOVW_PREL_G1 289 -#define R_AARCH64_MOVW_PREL_G1_NC 290 -#define R_AARCH64_MOVW_PREL_G2 291 -#define R_AARCH64_MOVW_PREL_G2_NC 292 -#define R_AARCH64_MOVW_PREL_G3 293 - -#define R_AARCH64_RELATIVE 1027 - /* * These are used to set parameters in the core dumps. */ diff --git a/include/uapi/linux/elf-r.h b/include/uapi/linux/elf-r.h index 001884641e7703146f91e2dd96fb5a2bbfc7a324..cf931fc05afa1825aa9737a4e6259ec0da678d3a 100644 --- a/include/uapi/linux/elf-r.h +++ b/include/uapi/linux/elf-r.h @@ -61,4 +61,56 @@ #define R_ARM_THM_MOVW_PREL_NC 49 #define R_ARM_THM_MOVT_PREL 50 +/* AArch64 static relocation types */ + +/* Miscellaneous. */ +#define R_AARCH64_NONE 256 + +/* Data. */ +#define R_AARCH64_ABS64 257 +#define R_AARCH64_ABS32 258 +#define R_AARCH64_ABS16 259 +#define R_AARCH64_PREL64 260 +#define R_AARCH64_PREL32 261 +#define R_AARCH64_PREL16 262 + +/* Instructions. */ +#define R_AARCH64_MOVW_UABS_G0 263 +#define R_AARCH64_MOVW_UABS_G0_NC 264 +#define R_AARCH64_MOVW_UABS_G1 265 +#define R_AARCH64_MOVW_UABS_G1_NC 266 +#define R_AARCH64_MOVW_UABS_G2 267 +#define R_AARCH64_MOVW_UABS_G2_NC 268 +#define R_AARCH64_MOVW_UABS_G3 269 + +#define R_AARCH64_MOVW_SABS_G0 270 +#define R_AARCH64_MOVW_SABS_G1 271 +#define R_AARCH64_MOVW_SABS_G2 272 + +#define R_AARCH64_LD_PREL_LO19 273 +#define R_AARCH64_ADR_PREL_LO21 274 +#define R_AARCH64_ADR_PREL_PG_HI21 275 +#define R_AARCH64_ADR_PREL_PG_HI21_NC 276 +#define R_AARCH64_ADD_ABS_LO12_NC 277 +#define R_AARCH64_LDST8_ABS_LO12_NC 278 + +#define R_AARCH64_TSTBR14 279 +#define R_AARCH64_CONDBR19 280 +#define R_AARCH64_JUMP26 282 +#define R_AARCH64_CALL26 283 +#define R_AARCH64_LDST16_ABS_LO12_NC 284 +#define R_AARCH64_LDST32_ABS_LO12_NC 285 +#define R_AARCH64_LDST64_ABS_LO12_NC 286 +#define R_AARCH64_LDST128_ABS_LO12_NC 299 + +#define R_AARCH64_MOVW_PREL_G0 287 +#define R_AARCH64_MOVW_PREL_G0_NC 288 +#define R_AARCH64_MOVW_PREL_G1 289 +#define R_AARCH64_MOVW_PREL_G1_NC 290 +#define R_AARCH64_MOVW_PREL_G2 291 +#define R_AARCH64_MOVW_PREL_G2_NC 292 +#define R_AARCH64_MOVW_PREL_G3 293 + +#define R_AARCH64_RELATIVE 1027 + #endif /* _UAPI_LINUX_ELF_R_H */ -- 2.50.1
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