arch/x86_64-pc/bootstrap/elfloader.h

   1 #ifndef ELFLOADER_H_
   2 #define ELFLOADER_H_
   3
   4 /*
   5     Copyright (C) 2006 The AROS Development Team. All rights reserved.
   6     $Id$
   7 */
   8
   9 #define SHT_PROGBITS    1
  10 #define SHT_SYMTAB  2
  11 #define SHT_STRTAB  3
  12 #define SHT_RELA    4
  13 #define SHT_NOBITS  8
  14 #define SHT_REL     9
  15
  16 #define ET_REL      1
  17 #define EM_X86_64   62
  18
  19 #define STT_OBJECT  1
  20 #define STT_FUNC    2
  21
  22 #define SHN_ABS     0xfff1
  23 #define SHN_COMMON  0xfff2
  24 #define SHN_UNDEF   0
  25
  26 #define SHF_WRITE   (1 << 0)
  27 #define SHF_ALLOC   (1 << 1)
  28 #define SHF_EXECINSTR   (1 << 2)
  29
  30 #define R_X86_64_NONE   0
  31 #define R_X86_64_64 1
  32 #define R_X86_64_PC32   2
  33 #define R_X86_64_32 10
  34 #define R_X86_64_32S    11
  35
  36 #define ELF64_ST_TYPE(i)    ((i) & 0x0F)
  37
  38 #define ELF64_R_SYM(i)      (unsigned long)((i) >> 32)
  39 #define ELF64_R_TYPE(i)     (unsigned long)((i) & 0xffffffffULL)
  40 #define ELF64_R_INFO(sym, type) (((unsigned long long)(sym) << 32) + (type))
  41
  42 struct elfheader {
  43     unsigned char   ident[16];
  44     unsigned short  type;
  45     unsigned short  machine;
  46     unsigned int    version;
  47     unsigned long long  entry;
  48     unsigned long long  phoff;
  49     unsigned long long  shoff;
  50     unsigned int    flags;
  51     unsigned short  ehsize;
  52     unsigned short  phentsize;
  53     unsigned short  phnum;
  54     unsigned short  shentsize;
  55     unsigned short  shnum;
  56     unsigned short  shstrndx;
  57 };
  58
  59 struct sheader {
  60     unsigned int    name;
  61     unsigned int    type;
  62     unsigned long long  flags;
  63     unsigned long long  addr;
  64     unsigned long long  offset;
  65     unsigned long long  size;
  66     unsigned int    link;
  67     unsigned int    info;
  68     unsigned long long  addralign;
  69     unsigned long long  entsize;
  70 };
  71
  72 struct symbol {
  73     unsigned int    name;
  74     unsigned char   info;
  75     unsigned char   other;
  76     unsigned short  shindex;
  77     unsigned long long  value;
  78     unsigned long long  size;
  79 };
  80
  81 struct relo {
  82     unsigned long long  offset;
  83     unsigned long long  info;
  84     signed long long    addend;
  85 };
  86
  87 void load_elf_file(void *, unsigned long long);
  88 void *kernel_lowest();
  89 void *kernel_highest();
  90 void set_base_address(void *, void *);
  91
  92 #endif /*ELFLOADER_H_*/