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Message-Id: <20250812-vdso-absolute-reloc-v4-9-61a8b615e5ec@linutronix.de> Date: Tue, 12 Aug 2025 07:44:22 +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 09/24] MIPS: 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/mips/include/asm/elf.h | 53 -------------------------------------------- include/uapi/linux/elf-r.h | 54 +++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 54 insertions(+), 53 deletions(-) diff --git a/arch/mips/include/asm/elf.h b/arch/mips/include/asm/elf.h index dc8d2863752cfd5e8e2cbd750276f9463e0c32b8..347e12584beebbb5a7290efae3310b01220bbe0a 100644 --- a/arch/mips/include/asm/elf.h +++ b/arch/mips/include/asm/elf.h @@ -70,59 +70,6 @@ #define DT_MIPS_HIPAGENO 0x70000014 #define DT_MIPS_RLD_MAP 0x70000016 -#define R_MIPS_NONE 0 -#define R_MIPS_16 1 -#define R_MIPS_32 2 -#define R_MIPS_REL32 3 -#define R_MIPS_26 4 -#define R_MIPS_HI16 5 -#define R_MIPS_LO16 6 -#define R_MIPS_GPREL16 7 -#define R_MIPS_LITERAL 8 -#define R_MIPS_GOT16 9 -#define R_MIPS_PC16 10 -#define R_MIPS_CALL16 11 -#define R_MIPS_GPREL32 12 -/* The remaining relocs are defined on Irix, although they are not - in the MIPS ELF ABI. */ -#define R_MIPS_UNUSED1 13 -#define R_MIPS_UNUSED2 14 -#define R_MIPS_UNUSED3 15 -#define R_MIPS_SHIFT5 16 -#define R_MIPS_SHIFT6 17 -#define R_MIPS_64 18 -#define R_MIPS_GOT_DISP 19 -#define R_MIPS_GOT_PAGE 20 -#define R_MIPS_GOT_OFST 21 -/* - * The following two relocation types are specified in the MIPS ABI - * conformance guide version 1.2 but not yet in the psABI. - */ -#define R_MIPS_GOTHI16 22 -#define R_MIPS_GOTLO16 23 -#define R_MIPS_SUB 24 -#define R_MIPS_INSERT_A 25 -#define R_MIPS_INSERT_B 26 -#define R_MIPS_DELETE 27 -#define R_MIPS_HIGHER 28 -#define R_MIPS_HIGHEST 29 -/* - * The following two relocation types are specified in the MIPS ABI - * conformance guide version 1.2 but not yet in the psABI. - */ -#define R_MIPS_CALLHI16 30 -#define R_MIPS_CALLLO16 31 -/* - * Introduced for MIPSr6. - */ -#define R_MIPS_PC21_S2 60 -#define R_MIPS_PC26_S2 61 -/* - * This range is reserved for vendor specific relocations. - */ -#define R_MIPS_LOVENDOR 100 -#define R_MIPS_HIVENDOR 127 - #define SHN_MIPS_ACCOMON 0xff00 /* Allocated common symbols */ #define SHN_MIPS_TEXT 0xff01 /* Allocated test symbols. */ #define SHN_MIPS_DATA 0xff02 /* Allocated data symbols. */ diff --git a/include/uapi/linux/elf-r.h b/include/uapi/linux/elf-r.h index c1309a63a7dc4495f22e3d8b51d3f97ab5809190..78085d26f4ab27a003fde65c8e981f575f411758 100644 --- a/include/uapi/linux/elf-r.h +++ b/include/uapi/linux/elf-r.h @@ -563,4 +563,58 @@ /* Keep this the last entry. */ #define R_390_NUM 61 +/* MIPS relocations defined by the ABIs */ +#define R_MIPS_NONE 0 +#define R_MIPS_16 1 +#define R_MIPS_32 2 +#define R_MIPS_REL32 3 +#define R_MIPS_26 4 +#define R_MIPS_HI16 5 +#define R_MIPS_LO16 6 +#define R_MIPS_GPREL16 7 +#define R_MIPS_LITERAL 8 +#define R_MIPS_GOT16 9 +#define R_MIPS_PC16 10 +#define R_MIPS_CALL16 11 +#define R_MIPS_GPREL32 12 +/* The remaining relocs are defined on Irix, although they are not + in the MIPS ELF ABI. */ +#define R_MIPS_UNUSED1 13 +#define R_MIPS_UNUSED2 14 +#define R_MIPS_UNUSED3 15 +#define R_MIPS_SHIFT5 16 +#define R_MIPS_SHIFT6 17 +#define R_MIPS_64 18 +#define R_MIPS_GOT_DISP 19 +#define R_MIPS_GOT_PAGE 20 +#define R_MIPS_GOT_OFST 21 +/* + * The following two relocation types are specified in the MIPS ABI + * conformance guide version 1.2 but not yet in the psABI. + */ +#define R_MIPS_GOTHI16 22 +#define R_MIPS_GOTLO16 23 +#define R_MIPS_SUB 24 +#define R_MIPS_INSERT_A 25 +#define R_MIPS_INSERT_B 26 +#define R_MIPS_DELETE 27 +#define R_MIPS_HIGHER 28 +#define R_MIPS_HIGHEST 29 +/* + * The following two relocation types are specified in the MIPS ABI + * conformance guide version 1.2 but not yet in the psABI. + */ +#define R_MIPS_CALLHI16 30 +#define R_MIPS_CALLLO16 31 +/* + * Introduced for MIPSr6. + */ +#define R_MIPS_PC21_S2 60 +#define R_MIPS_PC26_S2 61 +/* + * This range is reserved for vendor specific relocations. + */ +#define R_MIPS_LOVENDOR 100 +#define R_MIPS_HIVENDOR 127 + #endif /* _UAPI_LINUX_ELF_R_H */ -- 2.50.1
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