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/*
* Copyright 2003 PathScale, Inc.
*
* Licensed under the GPL
*/
#ifndef __UM_ELF_X86_64_H
#define __UM_ELF_X86_64_H
#include <linux/sched.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 { } 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.skas.regs[0]; \
(pr_reg)[1] = (regs)->regs.skas.regs[1]; \
(pr_reg)[2] = (regs)->regs.skas.regs[2]; \
(pr_reg)[3] = (regs)->regs.skas.regs[3]; \
(pr_reg)[4] = (regs)->regs.skas.regs[4]; \
(pr_reg)[5] = (regs)->regs.skas.regs[5]; \
(pr_reg)[6] = (regs)->regs.skas.regs[6]; \
(pr_reg)[7] = (regs)->regs.skas.regs[7]; \
(pr_reg)[8] = (regs)->regs.skas.regs[8]; \
(pr_reg)[9] = (regs)->regs.skas.regs[9]; \
(pr_reg)[10] = (regs)->regs.skas.regs[10]; \
(pr_reg)[11] = (regs)->regs.skas.regs[11]; \
(pr_reg)[12] = (regs)->regs.skas.regs[12]; \
(pr_reg)[13] = (regs)->regs.skas.regs[13]; \
(pr_reg)[14] = (regs)->regs.skas.regs[14]; \
(pr_reg)[15] = (regs)->regs.skas.regs[15]; \
(pr_reg)[16] = (regs)->regs.skas.regs[16]; \
(pr_reg)[17] = (regs)->regs.skas.regs[17]; \
(pr_reg)[18] = (regs)->regs.skas.regs[18]; \
(pr_reg)[19] = (regs)->regs.skas.regs[19]; \
(pr_reg)[20] = (regs)->regs.skas.regs[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;
static inline int elf_core_copy_fpregs(struct task_struct *t,
elf_fpregset_t *fpu)
{
int cpu = current_thread->cpu;
return save_fp_registers(userspace_pid[cpu], (unsigned long *) 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
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* Emacs will notice this stuff at the end of the file and automatically
* adjust the settings for this buffer only. This must remain at the end
* of the file.
* ---------------------------------------------------------------------------
* Local variables:
* c-file-style: "linux"
* End:
*/
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