arch/ppc-chrp/boot/openfirmware/include/elf.h

   1 #ifndef ELF_H_
   2 #define ELF_H_
   3
   4 /*
   5  * $Id$
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License as
   9  * published by the Free Software Foundation; either version 2 of
  10  * the License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  20  * MA 02111-1307 USA
  21  */
  22
  23 struct bss_tracker {
  24     void            *addr;
  25     unsigned int    length;
  26 };
  27
  28 extern struct bss_tracker tracker[];
  29
  30 int load_elf_file(const char *name, void *file, unsigned long virt);
  31 char *get_ptr_rw();
  32 char *get_ptr_ro();
  33 void ptr_ro_add(int amount);
  34
  35 #define SHT_PROGBITS    1
  36 #define SHT_SYMTAB  2
  37 #define SHT_STRTAB  3
  38 #define SHT_RELA    4
  39 #define SHT_NOBITS  8
  40 #define SHT_REL     9
  41
  42 #define ET_REL      1
  43 #define EM_386      3
  44 #define EM_PPC      20
  45 #define EM_X86_64   62
  46
  47 #define STT_OBJECT  1
  48 #define STT_FUNC    2
  49
  50 #define SHN_ABS     0xfff1
  51 #define SHN_COMMON  0xfff2
  52 #define SHN_UNDEF   0
  53
  54 #define SHF_WRITE   (1 << 0)
  55 #define SHF_ALLOC   (1 << 1)
  56 #define SHF_EXECINSTR   (1 << 2)
  57
  58 #define R_386_NONE      0
  59 #define R_386_32        1
  60 #define R_386_PC32      2
  61
  62 #define R_X86_64_NONE   0
  63 #define R_X86_64_64 1
  64 #define R_X86_64_PC32   2
  65 #define R_X86_64_32 10
  66 #define R_X86_64_32S    11
  67
  68 #define R_PPC_NONE      0
  69 #define R_PPC_ADDR32    1
  70 #define R_PPC_ADDR16_LO 4
  71 #define R_PPC_ADDR16_HA 6
  72 #define R_PPC_REL24     10
  73 #define R_PPC_REL32     26
  74
  75 #define ELF64_ST_TYPE(i)    ((i) & 0x0F)
  76
  77 #define ELF64_R_SYM(i)      (unsigned long)((i) >> 32)
  78 #define ELF64_R_TYPE(i)     (unsigned long)((i) & 0xffffffffULL)
  79 #define ELF64_R_INFO(sym, type) (((unsigned long long)(sym) << 32) + (type))
  80
  81 #define ELF32_R_SYM(i)          ((i) >> 8)
  82 #define ELF32_R_TYPE(i)         ((i) & 0xff)
  83 #define ELF32_R_INFO(sym, type) (((sym) << 8) + ((type) & 0xff))
  84
  85 struct elfheader {
  86     uint8_t     ident[16];
  87     uint16_t    type;
  88     uint16_t    machine;
  89     uint32_t    version;
  90     uint32_t    entry;
  91     uint32_t    phoff;
  92     uint32_t    shoff;
  93     uint32_t    flags;
  94     uint16_t    ehsize;
  95     uint16_t    phentsize;
  96     uint16_t    phnum;
  97     uint16_t    shentsize;
  98     uint16_t    shnum;
  99     uint16_t    shstrndx;
 100 };
 101
 102 struct sheader {
 103     uint32_t    name;
 104     uint32_t    type;
 105     uint32_t    flags;
 106     uint32_t    addr;
 107     uint32_t    offset;
 108     uint32_t    size;
 109     uint32_t    link;
 110     uint32_t    info;
 111     uint32_t    addralign;
 112     uint32_t    entsize;
 113 };
 114
 115 struct symbol {
 116     uint32_t    name;
 117     uint32_t    value;
 118     uint32_t    size;
 119     uint8_t     info;
 120     uint8_t     other;
 121     uint16_t    shindex;
 122 };
 123
 124 struct relo {
 125     uint32_t    offset;
 126     uint32_t    info;
 127     int32_t     addend;
 128 };
 129
 130 #endif /*ELF_H_*/