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root/include/asm-um/elf-x86_64.h

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/*
 * Copyright 2003 PathScale, Inc.
 * Copyright (C) 2003 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
 *
 * Licensed under the GPL
 */
#ifndef __UM_ELF_X86_64_H
#define __UM_ELF_X86_64_H

#include <asm/user.h>
#include "skas.h"

/* x86-64 relocation types, taken from asm-x86_64/elf.h */
#define R_X86_64_NONE           0       /* No reloc */
#define R_X86_64_64             1       /* Direct 64 bit  */
#define R_X86_64_PC32           2       /* PC relative 32 bit signed */
#define R_X86_64_GOT32          3       /* 32 bit GOT entry */
#define R_X86_64_PLT32          4       /* 32 bit PLT address */
#define R_X86_64_COPY           5       /* Copy symbol at runtime */
#define R_X86_64_GLOB_DAT       6       /* Create GOT entry */
#define R_X86_64_JUMP_SLOT      7       /* Create PLT entry */
#define R_X86_64_RELATIVE       8       /* Adjust by program base */
#define R_X86_64_GOTPCREL       9       /* 32 bit signed pc relative
                                           offset to GOT */
#define R_X86_64_32             10      /* Direct 32 bit zero extended */
#define R_X86_64_32S            11      /* Direct 32 bit sign extended */
#define R_X86_64_16             12      /* Direct 16 bit zero extended */
#define R_X86_64_PC16           13      /* 16 bit sign extended pc relative */
#define R_X86_64_8              14      /* Direct 8 bit sign extended  */
#define R_X86_64_PC8            15      /* 8 bit sign extended pc relative */

#define R_X86_64_NUM            16

typedef unsigned long elf_greg_t;

#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t))
typedef elf_greg_t elf_gregset_t[ELF_NGREG];

typedef struct user_i387_struct elf_fpregset_t;

/*
 * This is used to ensure we don't load something for the wrong architecture.
 */
#define elf_check_arch(x) \
        ((x)->e_machine == EM_X86_64)

#define ELF_CLASS       ELFCLASS64
#define ELF_DATA        ELFDATA2LSB
#define ELF_ARCH        EM_X86_64

#define ELF_PLAT_INIT(regs, load_addr)    do { \
        PT_REGS_RBX(regs) = 0; \
        PT_REGS_RCX(regs) = 0; \
        PT_REGS_RDX(regs) = 0; \
        PT_REGS_RSI(regs) = 0; \
        PT_REGS_RDI(regs) = 0; \
        PT_REGS_RBP(regs) = 0; \
        PT_REGS_RAX(regs) = 0; \
        PT_REGS_R8(regs) = 0; \
        PT_REGS_R9(regs) = 0; \
        PT_REGS_R10(regs) = 0; \
        PT_REGS_R11(regs) = 0; \
        PT_REGS_R12(regs) = 0; \
        PT_REGS_R13(regs) = 0; \
        PT_REGS_R14(regs) = 0; \
        PT_REGS_R15(regs) = 0; \
} while (0)

#define ELF_CORE_COPY_REGS(pr_reg, regs)                \
        (pr_reg)[0] = (regs)->regs.gp[0];                       \
        (pr_reg)[1] = (regs)->regs.gp[1];                       \
        (pr_reg)[2] = (regs)->regs.gp[2];                       \
        (pr_reg)[3] = (regs)->regs.gp[3];                       \
        (pr_reg)[4] = (regs)->regs.gp[4];                       \
        (pr_reg)[5] = (regs)->regs.gp[5];                       \
        (pr_reg)[6] = (regs)->regs.gp[6];                       \
        (pr_reg)[7] = (regs)->regs.gp[7];                       \
        (pr_reg)[8] = (regs)->regs.gp[8];                       \
        (pr_reg)[9] = (regs)->regs.gp[9];                       \
        (pr_reg)[10] = (regs)->regs.gp[10];                     \
        (pr_reg)[11] = (regs)->regs.gp[11];                     \
        (pr_reg)[12] = (regs)->regs.gp[12];                     \
        (pr_reg)[13] = (regs)->regs.gp[13];                     \
        (pr_reg)[14] = (regs)->regs.gp[14];                     \
        (pr_reg)[15] = (regs)->regs.gp[15];                     \
        (pr_reg)[16] = (regs)->regs.gp[16];                     \
        (pr_reg)[17] = (regs)->regs.gp[17];                     \
        (pr_reg)[18] = (regs)->regs.gp[18];                     \
        (pr_reg)[19] = (regs)->regs.gp[19];                     \
        (pr_reg)[20] = (regs)->regs.gp[20];                     \
        (pr_reg)[21] = current->thread.arch.fs;                 \
        (pr_reg)[22] = 0;                                       \
        (pr_reg)[23] = 0;                                       \
        (pr_reg)[24] = 0;                                       \
        (pr_reg)[25] = 0;                                       \
        (pr_reg)[26] = 0;

extern int elf_core_copy_fpregs(struct task_struct *t, elf_fpregset_t *fpu);

#define ELF_CORE_COPY_FPREGS(t, fpu) elf_core_copy_fpregs(t, fpu)

#ifdef TIF_IA32 /* XXX */
#error XXX, indeed
        clear_thread_flag(TIF_IA32);
#endif

#define USE_ELF_CORE_DUMP
#define ELF_EXEC_PAGESIZE 4096

#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)

extern long elf_aux_hwcap;
#define ELF_HWCAP (elf_aux_hwcap)

#define ELF_PLATFORM "x86_64"

#define SET_PERSONALITY(ex, ibcs2) do ; while(0)

#endif

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