1/*
2 * Copyright 2003 PathScale, Inc.
3 *
4 * Licensed under the GPL
5 */
6#ifndef __UM_ELF_X86_64_H
7#define __UM_ELF_X86_64_H
8
9#include <asm/user.h>
10
11/* x86-64 relocation types, taken from asm-x86_64/elf.h */
12#define R_X86_64_NONE		0	/* No reloc */
13#define R_X86_64_64		1	/* Direct 64 bit  */
14#define R_X86_64_PC32		2	/* PC relative 32 bit signed */
15#define R_X86_64_GOT32		3	/* 32 bit GOT entry */
16#define R_X86_64_PLT32		4	/* 32 bit PLT address */
17#define R_X86_64_COPY		5	/* Copy symbol at runtime */
18#define R_X86_64_GLOB_DAT	6	/* Create GOT entry */
19#define R_X86_64_JUMP_SLOT	7	/* Create PLT entry */
20#define R_X86_64_RELATIVE	8	/* Adjust by program base */
21#define R_X86_64_GOTPCREL	9	/* 32 bit signed pc relative
22					   offset to GOT */
23#define R_X86_64_32		10	/* Direct 32 bit zero extended */
24#define R_X86_64_32S		11	/* Direct 32 bit sign extended */
25#define R_X86_64_16		12	/* Direct 16 bit zero extended */
26#define R_X86_64_PC16		13	/* 16 bit sign extended pc relative */
27#define R_X86_64_8		14	/* Direct 8 bit sign extended  */
28#define R_X86_64_PC8		15	/* 8 bit sign extended pc relative */
29
30#define R_X86_64_NUM		16
31
32typedef unsigned long elf_greg_t;
33
34#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t))
35typedef elf_greg_t elf_gregset_t[ELF_NGREG];
36
37typedef struct { } elf_fpregset_t;
38
39/*
40 * This is used to ensure we don't load something for the wrong architecture.
41 */
42#define elf_check_arch(x) \
43	((x)->e_machine == EM_X86_64)
44
45#define ELF_CLASS	ELFCLASS64
46#define ELF_DATA        ELFDATA2LSB
47#define ELF_ARCH        EM_X86_64
48
49#define ELF_PLAT_INIT(regs, load_addr)    do { \
50	PT_REGS_RBX(regs) = 0; \
51	PT_REGS_RCX(regs) = 0; \
52	PT_REGS_RDX(regs) = 0; \
53	PT_REGS_RSI(regs) = 0; \
54	PT_REGS_RDI(regs) = 0; \
55	PT_REGS_RBP(regs) = 0; \
56	PT_REGS_RAX(regs) = 0; \
57	PT_REGS_R8(regs) = 0; \
58	PT_REGS_R9(regs) = 0; \
59	PT_REGS_R10(regs) = 0; \
60	PT_REGS_R11(regs) = 0; \
61	PT_REGS_R12(regs) = 0; \
62	PT_REGS_R13(regs) = 0; \
63	PT_REGS_R14(regs) = 0; \
64	PT_REGS_R15(regs) = 0; \
65} while (0)
66
67#ifdef TIF_IA32
68#error XXX, indeed
69        clear_thread_flag(TIF_IA32);
70#endif
71
72#define USE_ELF_CORE_DUMP
73#define ELF_EXEC_PAGESIZE 4096
74
75#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
76
77extern long elf_aux_hwcap;
78#define ELF_HWCAP (elf_aux_hwcap)
79
80#define ELF_PLATFORM "x86_64"
81
82#define SET_PERSONALITY(ex, ibcs2) do ; while(0)
83
84#endif
85
86/*
87 * Overrides for Emacs so that we follow Linus's tabbing style.
88 * Emacs will notice this stuff at the end of the file and automatically
89 * adjust the settings for this buffer only.  This must remain at the end
90 * of the file.
91 * ---------------------------------------------------------------------------
92 * Local variables:
93 * c-file-style: "linux"
94 * End:
95 */
96