2 * Copyright 2003 PathScale, Inc.
3 * Copyright (C) 2003 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
5 * Licensed under the GPL
7 #ifndef __UM_ELF_X86_64_H
8 #define __UM_ELF_X86_64_H
10 #include <linux/sched.h>
14 /* x86-64 relocation types, taken from asm-x86_64/elf.h */
15 #define R_X86_64_NONE 0 /* No reloc */
16 #define R_X86_64_64 1 /* Direct 64 bit */
17 #define R_X86_64_PC32 2 /* PC relative 32 bit signed */
18 #define R_X86_64_GOT32 3 /* 32 bit GOT entry */
19 #define R_X86_64_PLT32 4 /* 32 bit PLT address */
20 #define R_X86_64_COPY 5 /* Copy symbol at runtime */
21 #define R_X86_64_GLOB_DAT 6 /* Create GOT entry */
22 #define R_X86_64_JUMP_SLOT 7 /* Create PLT entry */
23 #define R_X86_64_RELATIVE 8 /* Adjust by program base */
24 #define R_X86_64_GOTPCREL 9 /* 32 bit signed pc relative
26 #define R_X86_64_32 10 /* Direct 32 bit zero extended */
27 #define R_X86_64_32S 11 /* Direct 32 bit sign extended */
28 #define R_X86_64_16 12 /* Direct 16 bit zero extended */
29 #define R_X86_64_PC16 13 /* 16 bit sign extended pc relative */
30 #define R_X86_64_8 14 /* Direct 8 bit sign extended */
31 #define R_X86_64_PC8 15 /* 8 bit sign extended pc relative */
33 #define R_X86_64_NUM 16
35 typedef unsigned long elf_greg_t;
37 #define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t))
38 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
40 typedef struct user_i387_struct elf_fpregset_t;
43 * This is used to ensure we don't load something for the wrong architecture.
45 #define elf_check_arch(x) \
46 ((x)->e_machine == EM_X86_64)
48 #define ELF_CLASS ELFCLASS64
49 #define ELF_DATA ELFDATA2LSB
50 #define ELF_ARCH EM_X86_64
52 #define ELF_PLAT_INIT(regs, load_addr) do { \
53 PT_REGS_RBX(regs) = 0; \
54 PT_REGS_RCX(regs) = 0; \
55 PT_REGS_RDX(regs) = 0; \
56 PT_REGS_RSI(regs) = 0; \
57 PT_REGS_RDI(regs) = 0; \
58 PT_REGS_RBP(regs) = 0; \
59 PT_REGS_RAX(regs) = 0; \
60 PT_REGS_R8(regs) = 0; \
61 PT_REGS_R9(regs) = 0; \
62 PT_REGS_R10(regs) = 0; \
63 PT_REGS_R11(regs) = 0; \
64 PT_REGS_R12(regs) = 0; \
65 PT_REGS_R13(regs) = 0; \
66 PT_REGS_R14(regs) = 0; \
67 PT_REGS_R15(regs) = 0; \
70 #define ELF_CORE_COPY_REGS(pr_reg, regs) \
71 (pr_reg)[0] = (regs)->regs.gp[0]; \
72 (pr_reg)[1] = (regs)->regs.gp[1]; \
73 (pr_reg)[2] = (regs)->regs.gp[2]; \
74 (pr_reg)[3] = (regs)->regs.gp[3]; \
75 (pr_reg)[4] = (regs)->regs.gp[4]; \
76 (pr_reg)[5] = (regs)->regs.gp[5]; \
77 (pr_reg)[6] = (regs)->regs.gp[6]; \
78 (pr_reg)[7] = (regs)->regs.gp[7]; \
79 (pr_reg)[8] = (regs)->regs.gp[8]; \
80 (pr_reg)[9] = (regs)->regs.gp[9]; \
81 (pr_reg)[10] = (regs)->regs.gp[10]; \
82 (pr_reg)[11] = (regs)->regs.gp[11]; \
83 (pr_reg)[12] = (regs)->regs.gp[12]; \
84 (pr_reg)[13] = (regs)->regs.gp[13]; \
85 (pr_reg)[14] = (regs)->regs.gp[14]; \
86 (pr_reg)[15] = (regs)->regs.gp[15]; \
87 (pr_reg)[16] = (regs)->regs.gp[16]; \
88 (pr_reg)[17] = (regs)->regs.gp[17]; \
89 (pr_reg)[18] = (regs)->regs.gp[18]; \
90 (pr_reg)[19] = (regs)->regs.gp[19]; \
91 (pr_reg)[20] = (regs)->regs.gp[20]; \
92 (pr_reg)[21] = current->thread.arch.fs; \
99 static inline int elf_core_copy_fpregs(struct task_struct *t,
102 int cpu = current_thread->cpu;
103 return save_fp_registers(userspace_pid[cpu], (unsigned long *) fpu);
106 #define ELF_CORE_COPY_FPREGS(t, fpu) elf_core_copy_fpregs(t, fpu)
108 #ifdef TIF_IA32 /* XXX */
110 clear_thread_flag(TIF_IA32);
113 #define USE_ELF_CORE_DUMP
114 #define ELF_EXEC_PAGESIZE 4096
116 #define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
118 extern long elf_aux_hwcap;
119 #define ELF_HWCAP (elf_aux_hwcap)
121 #define ELF_PLATFORM "x86_64"
123 #define SET_PERSONALITY(ex, ibcs2) do ; while(0)