1/* 2 * Copyright 2012, Alex Smith, alex@alex-smith.me.uk. 3 * Distributed under the terms of the MIT License. 4 */ 5#ifndef _KERNEL_ARCH_x86_64_ELF_H 6#define _KERNEL_ARCH_x86_64_ELF_H 7 8 9/* Relocation types. */ 10#define R_X86_64_NONE 0 /* No relocation. */ 11#define R_X86_64_64 1 /* Direct 64-bit. */ 12#define R_X86_64_PC32 2 /* PC relative 32-bit signed. */ 13#define R_X86_64_GOT32 3 /* 32-bit GOT entry. */ 14#define R_X86_64_PLT32 4 /* 32-bit PLT address. */ 15#define R_X86_64_COPY 5 /* Copy symbol at runtime. */ 16#define R_X86_64_GLOB_DAT 6 /* Create GOT entry. */ 17#define R_X86_64_JUMP_SLOT 7 /* Create PLT entry. */ 18#define R_X86_64_RELATIVE 8 /* Adjust by program base. */ 19#define R_X86_64_GOTPCREL 9 /* 32-bit signed PC relative offset to GOT. */ 20#define R_X86_64_32 10 /* Direct 32-bit zero-extended. */ 21#define R_X86_64_32S 11 /* Direct 32-bit sign-extended. */ 22#define R_X86_64_16 12 /* Direct 16-bit zero-extended. */ 23#define R_X86_64_PC16 13 /* 16-bit sign-extended PC relative. */ 24#define R_X86_64_8 14 /* Direct 8-bit sign-extended. */ 25#define R_X86_64_PC8 15 /* 8-bit sign-extended PC relative. */ 26#define R_X86_64_DTPMOD64 16 /* ID of module containing symbol. */ 27#define R_X86_64_DTPOFF64 17 /* Offset in module's TLS block. */ 28#define R_X86_64_TPOFF64 18 /* Offset in initial TLS block. */ 29#define R_X86_64_TLSGD 19 /* 32-bit signed PC relative offset to two GOT entries (GD). */ 30#define R_X86_64_TLSLD 20 /* 32-bit signed PC relative offset to two GOT entries (LD). */ 31#define R_X86_64_DTPOFF32 21 /* Offset in TLS block. */ 32#define R_X86_64_GOTTPOFF 22 /* 32-bit signed PC relative offset to GOT entry (IE). */ 33#define R_X86_64_TPOFF32 23 /* Offset in initial TLS block. */ 34#define R_X86_64_PC64 24 /* PC relative 64-bit. */ 35#define R_X86_64_GOTOFF64 25 /* 64-bit offset to GOT. */ 36#define R_X86_64_GOTPC32 26 /* 32 bit signed PC relative offset to GOT. */ 37#define R_X86_64_GOT64 27 /* 64-bit GOT entry offset. */ 38#define R_X86_64_GOTPCREL64 28 /* 64-bit PC relative offset to GOT entry. */ 39#define R_X86_64_GOTPC64 29 /* 64-bit PC relative offset to GOT. */ 40#define R_X86_64_GOTPLT64 30 /* Like GOT64, says PLT entry needed. */ 41#define R_X86_64_PLTOFF64 31 /* 64-bit GOT relative offset to PLT entry. */ 42#define R_X86_64_SIZE32 32 /* Size of symbol plus 32-bit addend. */ 43#define R_X86_64_SIZE64 33 /* Size of symbol plus 64-bit addend. */ 44#define R_X86_64_GOTPC32_TLSDESC 34 /* GOT offset for TLS descriptor. */ 45#define R_X86_64_TLSDESC_CALL 35 /* Marker for call through TLS descriptor. */ 46#define R_X86_64_TLSDESC 36 /* TLS descriptor. */ 47#define R_X86_64_IRELATIVE 37 /* Adjust indirectly by program base. */ 48#define R_X86_64_RELATIVE64 38 /* 64-bit adjust by program base */ 49/* 39 and 40 were BND-related, already decomissioned */ 50#define R_X86_64_GOTPCRELX 40 /* Load from 32 bit signed pc relative offset to GOT entry 51 without REX prefix, relaxable. */ 52#define R_X86_64_REX_GOTPCRELX 41 /* Load from 32 bit signed pc relative offset to GOT entry 53 with REX prefix, relaxable. */ 54 55#define TLS_DTV_OFFSET 0 56 57 58#if defined(_BOOT_MODE) || defined(ELF32_COMPAT) 59# include "../x86/arch_elf.h" 60#endif 61 62 63#endif /* _KERNEL_ARCH_x86_64_ELF_H */ 64