1/* 2 * Copyright 2003 PathScale, Inc. 3 * Copyright (C) 2003 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) 4 * 5 * Licensed under the GPL 6 */ 7#ifndef __UM_ELF_X86_64_H 8#define __UM_ELF_X86_64_H 9 10#include <asm/user.h> 11#include "skas.h" 12 13/* x86-64 relocation types, taken from asm-x86_64/elf.h */ 14#define R_X86_64_NONE 0 /* No reloc */ 15#define R_X86_64_64 1 /* Direct 64 bit */ 16#define R_X86_64_PC32 2 /* PC relative 32 bit signed */ 17#define R_X86_64_GOT32 3 /* 32 bit GOT entry */ 18#define R_X86_64_PLT32 4 /* 32 bit PLT address */ 19#define R_X86_64_COPY 5 /* Copy symbol at runtime */ 20#define R_X86_64_GLOB_DAT 6 /* Create GOT entry */ 21#define R_X86_64_JUMP_SLOT 7 /* Create PLT entry */ 22#define R_X86_64_RELATIVE 8 /* Adjust by program base */ 23#define R_X86_64_GOTPCREL 9 /* 32 bit signed pc relative 24 offset to GOT */ 25#define R_X86_64_32 10 /* Direct 32 bit zero extended */ 26#define R_X86_64_32S 11 /* Direct 32 bit sign extended */ 27#define R_X86_64_16 12 /* Direct 16 bit zero extended */ 28#define R_X86_64_PC16 13 /* 16 bit sign extended pc relative */ 29#define R_X86_64_8 14 /* Direct 8 bit sign extended */ 30#define R_X86_64_PC8 15 /* 8 bit sign extended pc relative */ 31 32#define R_X86_64_NUM 16 33 34typedef unsigned long elf_greg_t; 35 36#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t)) 37typedef elf_greg_t elf_gregset_t[ELF_NGREG]; 38 39typedef struct user_i387_struct elf_fpregset_t; 40 41/* 42 * This is used to ensure we don't load something for the wrong architecture. 43 */ 44#define elf_check_arch(x) \ 45 ((x)->e_machine == EM_X86_64) 46 47#define ELF_CLASS ELFCLASS64 48#define ELF_DATA ELFDATA2LSB 49#define ELF_ARCH EM_X86_64 50 51#define ELF_PLAT_INIT(regs, load_addr) do { \ 52 PT_REGS_RBX(regs) = 0; \ 53 PT_REGS_RCX(regs) = 0; \ 54 PT_REGS_RDX(regs) = 0; \ 55 PT_REGS_RSI(regs) = 0; \ 56 PT_REGS_RDI(regs) = 0; \ 57 PT_REGS_RBP(regs) = 0; \ 58 PT_REGS_RAX(regs) = 0; \ 59 PT_REGS_R8(regs) = 0; \ 60 PT_REGS_R9(regs) = 0; \ 61 PT_REGS_R10(regs) = 0; \ 62 PT_REGS_R11(regs) = 0; \ 63 PT_REGS_R12(regs) = 0; \ 64 PT_REGS_R13(regs) = 0; \ 65 PT_REGS_R14(regs) = 0; \ 66 PT_REGS_R15(regs) = 0; \ 67} while (0) 68 69#define ELF_CORE_COPY_REGS(pr_reg, _regs) \ 70 (pr_reg)[0] = (_regs)->regs.gp[0]; \ 71 (pr_reg)[1] = (_regs)->regs.gp[1]; \ 72 (pr_reg)[2] = (_regs)->regs.gp[2]; \ 73 (pr_reg)[3] = (_regs)->regs.gp[3]; \ 74 (pr_reg)[4] = (_regs)->regs.gp[4]; \ 75 (pr_reg)[5] = (_regs)->regs.gp[5]; \ 76 (pr_reg)[6] = (_regs)->regs.gp[6]; \ 77 (pr_reg)[7] = (_regs)->regs.gp[7]; \ 78 (pr_reg)[8] = (_regs)->regs.gp[8]; \ 79 (pr_reg)[9] = (_regs)->regs.gp[9]; \ 80 (pr_reg)[10] = (_regs)->regs.gp[10]; \ 81 (pr_reg)[11] = (_regs)->regs.gp[11]; \ 82 (pr_reg)[12] = (_regs)->regs.gp[12]; \ 83 (pr_reg)[13] = (_regs)->regs.gp[13]; \ 84 (pr_reg)[14] = (_regs)->regs.gp[14]; \ 85 (pr_reg)[15] = (_regs)->regs.gp[15]; \ 86 (pr_reg)[16] = (_regs)->regs.gp[16]; \ 87 (pr_reg)[17] = (_regs)->regs.gp[17]; \ 88 (pr_reg)[18] = (_regs)->regs.gp[18]; \ 89 (pr_reg)[19] = (_regs)->regs.gp[19]; \ 90 (pr_reg)[20] = (_regs)->regs.gp[20]; \ 91 (pr_reg)[21] = current->thread.arch.fs; \ 92 (pr_reg)[22] = 0; \ 93 (pr_reg)[23] = 0; \ 94 (pr_reg)[24] = 0; \ 95 (pr_reg)[25] = 0; \ 96 (pr_reg)[26] = 0; 97 98struct task_struct; 99 100extern int elf_core_copy_fpregs(struct task_struct *t, elf_fpregset_t *fpu); 101 102#define ELF_CORE_COPY_FPREGS(t, fpu) elf_core_copy_fpregs(t, fpu) 103 104#ifdef TIF_IA32 105#error XXX, indeed 106 clear_thread_flag(TIF_IA32); 107#endif 108 109#define ELF_EXEC_PAGESIZE 4096 110 111#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3) 112 113extern long elf_aux_hwcap; 114#define ELF_HWCAP (elf_aux_hwcap) 115 116#define ELF_PLATFORM "x86_64" 117 118#define SET_PERSONALITY(ex) do ; while(0) 119 120#endif 121