elftools/elf/constants.py

   1 #-------------------------------------------------------------------------------
   2 # elftools: elf/constants.py
   3 #
   4 # Constants and flags, placed into classes for namespacing
   5 #
   6 # Eli Bendersky (eliben@gmail.com)
   7 # This code is in the public domain
   8 #-------------------------------------------------------------------------------
   9
  10 class E_FLAGS(object):
  11     """ Flag values for the e_flags field of the ELF header
  12     """
  13     EF_ARM_EABIMASK=0xFF000000
  14     EF_ARM_EABI_VER1=0x01000000
  15     EF_ARM_EABI_VER2=0x02000000
  16     EF_ARM_EABI_VER3=0x03000000
  17     EF_ARM_EABI_VER4=0x04000000
  18     EF_ARM_EABI_VER5=0x05000000
  19     EF_ARM_GCCMASK=0x00400FFF
  20     EF_ARM_RELEXEC=0x01
  21     EF_ARM_HASENTRY=0x02
  22     EF_ARM_SYMSARESORTED=0x04
  23     EF_ARM_DYNSYMSUSESEGIDX=0x8
  24     EF_ARM_MAPSYMSFIRST=0x10
  25     EF_ARM_LE8=0x00400000
  26     EF_ARM_BE8=0x00800000
  27     EF_ARM_ABI_FLOAT_SOFT=0x00000200
  28     EF_ARM_ABI_FLOAT_HARD=0x00000400
  29
  30     EF_MIPS_NOREORDER=1
  31     EF_MIPS_PIC=2
  32     EF_MIPS_CPIC=4
  33     EF_MIPS_XGOT=8
  34     EF_MIPS_64BIT_WHIRL=16
  35     EF_MIPS_ABI2=32
  36     EF_MIPS_ABI_ON32=64
  37     EF_MIPS_32BITMODE = 256
  38     EF_MIPS_NAN2008=1024
  39     EF_MIPS_ARCH=0xf0000000
  40     EF_MIPS_ARCH_1=0x00000000
  41     EF_MIPS_ARCH_2=0x10000000
  42     EF_MIPS_ARCH_3=0x20000000
  43     EF_MIPS_ARCH_4=0x30000000
  44     EF_MIPS_ARCH_5=0x40000000
  45     EF_MIPS_ARCH_32=0x50000000
  46     EF_MIPS_ARCH_64=0x60000000
  47     EF_MIPS_ARCH_32R2=0x70000000
  48     EF_MIPS_ARCH_64R2=0x80000000
  49
  50
  51 class E_FLAGS_MASKS(object):
  52     """Masks to be used for convenience when working with E_FLAGS
  53
  54     This is a simplified approach that is also used by GNU binutils
  55     readelf
  56     """
  57     EFM_MIPS_ABI = 0x0000F000
  58     EFM_MIPS_ABI_O32 = 0x00001000
  59     EFM_MIPS_ABI_O64 = 0x00002000
  60     EFM_MIPS_ABI_EABI32 = 0x00003000
  61     EFM_MIPS_ABI_EABI64 = 0x00004000
  62
  63
  64 class SHN_INDICES(object):
  65     """ Special section indices
  66     """
  67     SHN_UNDEF=0
  68     SHN_LORESERVE=0xff00
  69     SHN_LOPROC=0xff00
  70     SHN_HIPROC=0xff1f
  71     SHN_ABS=0xfff1
  72     SHN_COMMON=0xfff2
  73     SHN_HIRESERVE=0xffff
  74     SHN_XINDEX=0xffff
  75
  76
  77 class SH_FLAGS(object):
  78     """ Flag values for the sh_flags field of section headers
  79     """
  80     SHF_WRITE=0x1
  81     SHF_ALLOC=0x2
  82     SHF_EXECINSTR=0x4
  83     SHF_MERGE=0x10
  84     SHF_STRINGS=0x20
  85     SHF_INFO_LINK=0x40
  86     SHF_LINK_ORDER=0x80
  87     SHF_OS_NONCONFORMING=0x100
  88     SHF_GROUP=0x200
  89     SHF_TLS=0x400
  90     SHF_COMPRESSED=0x800
  91     SHF_MASKOS=0x0ff00000
  92     SHF_EXCLUDE=0x80000000
  93     SHF_MASKPROC=0xf0000000
  94
  95
  96 class RH_FLAGS(object):
  97     """ Flag values for the DT_MIPS_FLAGS dynamic table entries
  98     """
  99     RHF_NONE=0x00000000
 100     RHF_QUICKSTART=0x00000001
 101     RHF_NOTPOT=0x00000002
 102     RHF_NO_LIBRARY_REPLACEMENT=0x00000004
 103     RHF_NO_MOVE=0x00000008
 104     RHF_SGI_ONLY=0x00000010
 105     RHF_GUARANTEE_INIT=0x00000020
 106     RHF_DELTA_C_PLUS_PLUS=0x00000040
 107     RHF_GUARANTEE_START_INIT=0x00000080
 108     RHF_PIXIE=0x00000100
 109     RHF_DEFAULT_DELAY_LOAD=0x00000200
 110     RHF_REQUICKSTART=0x00000400
 111     RHF_REQUICKSTARTED=0x00000800
 112     RHF_CORD=0x00001000
 113     RHF_NO_UNRES_UNDEF=0x00002000
 114     RHF_RLD_ORDER_SAFE=0x00004000
 115
 116
 117 class P_FLAGS(object):
 118     """ Flag values for the p_flags field of program headers
 119     """
 120     PF_X=0x1
 121     PF_W=0x2
 122     PF_R=0x4
 123     PF_MASKOS=0x00FF0000
 124     PF_MASKPROC=0xFF000000
 125
 126
 127 # symbol info flags for entries
 128 # in the .SUNW_syminfo section
 129 class SUNW_SYMINFO_FLAGS(object):
 130     """ Flags for the si_flags field of entries
 131         in the .SUNW_syminfo section
 132     """
 133     SYMINFO_FLG_DIRECT=0x1
 134     SYMINFO_FLG_FILTER=0x2
 135     SYMINFO_FLG_COPY=0x4
 136     SYMINFO_FLG_LAZYLOAD=0x8
 137     SYMINFO_FLG_DIRECTBIND=0x10
 138     SYMINFO_FLG_NOEXTDIRECT=0x20
 139     SYMINFO_FLG_AUXILIARY=0x40
 140     SYMINFO_FLG_INTERPOSE=0x80
 141     SYMINFO_FLG_CAP=0x100
 142     SYMINFO_FLG_DEFERRED=0x200
 143
 144 class VER_FLAGS(object):
 145     VER_FLG_BASE=0x1
 146     VER_FLG_WEAK=0x2
 147     VER_FLG_INFO=0x4