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Bodo Stroesserdbc35cc72005-05-05 16:15:35 -07001/*
2 * Copyright 2003 PathScale, Inc.
Jeff Dikef0c4cad2007-10-16 01:27:18 -07003 * Copyright (C) 2003 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
Bodo Stroesserdbc35cc72005-05-05 16:15:35 -07004 *
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>
Jeff Diked1254b12007-08-30 23:56:20 -070011#include "skas.h"
Bodo Stroesserdbc35cc72005-05-05 16:15:35 -070012
Jeff Dikeba9950c2005-05-20 13:59:07 -070013/* 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
Bodo Stroesserdbc35cc72005-05-05 16:15:35 -070034typedef 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
Jeff Dike058ac302007-10-16 01:27:17 -070039typedef struct user_i387_struct elf_fpregset_t;
Bodo Stroesserdbc35cc72005-05-05 16:15:35 -070040
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
Jeff Diked1254b12007-08-30 23:56:20 -070069#define ELF_CORE_COPY_REGS(pr_reg, regs) \
Jeff Dike18baddd2007-10-16 01:27:07 -070070 (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]; \
Jeff Diked1254b12007-08-30 23:56:20 -070091 (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
Jeff Dike8192ab42008-02-04 22:30:53 -080098extern int elf_core_copy_fpregs(struct task_struct *t, elf_fpregset_t *fpu);
Jeff Diked1254b12007-08-30 23:56:20 -070099
100#define ELF_CORE_COPY_FPREGS(t, fpu) elf_core_copy_fpregs(t, fpu)
101
Bodo Stroesserdbc35cc72005-05-05 16:15:35 -0700102#ifdef TIF_IA32 /* XXX */
Jeff Dikeba9950c2005-05-20 13:59:07 -0700103#error XXX, indeed
104 clear_thread_flag(TIF_IA32);
Bodo Stroesserdbc35cc72005-05-05 16:15:35 -0700105#endif
106
107#define USE_ELF_CORE_DUMP
108#define ELF_EXEC_PAGESIZE 4096
109
110#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
111
112extern long elf_aux_hwcap;
113#define ELF_HWCAP (elf_aux_hwcap)
114
115#define ELF_PLATFORM "x86_64"
116
117#define SET_PERSONALITY(ex, ibcs2) do ; while(0)
118
119#endif