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_PPC64_ABI_V0=0
  31     EF_PPC64_ABI_V1=1
  32     EF_PPC64_ABI_V2=2
  33
  34     EF_MIPS_NOREORDER=1
  35     EF_MIPS_PIC=2
  36     EF_MIPS_CPIC=4
  37     EF_MIPS_XGOT=8
  38     EF_MIPS_64BIT_WHIRL=16
  39     EF_MIPS_ABI2=32
  40     EF_MIPS_ABI_ON32=64
  41     EF_MIPS_32BITMODE = 256
  42     EF_MIPS_NAN2008=1024
  43     EF_MIPS_ARCH=0xf0000000
  44     EF_MIPS_ARCH_1=0x00000000
  45     EF_MIPS_ARCH_2=0x10000000
  46     EF_MIPS_ARCH_3=0x20000000
  47     EF_MIPS_ARCH_4=0x30000000
  48     EF_MIPS_ARCH_5=0x40000000
  49     EF_MIPS_ARCH_32=0x50000000
  50     EF_MIPS_ARCH_64=0x60000000
  51     EF_MIPS_ARCH_32R2=0x70000000
  52     EF_MIPS_ARCH_64R2=0x80000000
  53
  54     EF_RISCV_RVC=0x00000001
  55     EF_RISCV_FLOAT_ABI=0x00000006
  56     EF_RISCV_FLOAT_ABI_SOFT=0x00000000
  57     EF_RISCV_FLOAT_ABI_SINGLE=0x00000002
  58     EF_RISCV_FLOAT_ABI_DOUBLE=0x00000004
  59     EF_RISCV_FLOAT_ABI_QUAD=0x00000006
  60     EF_RISCV_RVE=0x00000008
  61     EF_RISCV_TSO=0x00000010
  62
  63     EF_LOONGARCH_ABI=0x000000C0
  64     EF_LOONGARCH_ABI_V0=0x00000000
  65     EF_LOONGARCH_ABI_V1=0x00000040
  66     EF_LOONGARCH_FLOAT_ABI=0x00000003
  67     EF_LOONGARCH_FLOAT_ABI_SOFT=0x00000001
  68     EF_LOONGARCH_FLOAT_ABI_SINGLE=0x00000002
  69     EF_LOONGARCH_FLOAT_ABI_DOUBLE=0x00000003
  70
  71 class E_FLAGS_MASKS(object):
  72     """Masks to be used for convenience when working with E_FLAGS
  73
  74     This is a simplified approach that is also used by GNU binutils
  75     readelf
  76     """
  77     EFM_MIPS_ABI = 0x0000F000
  78     EFM_MIPS_ABI_O32 = 0x00001000
  79     EFM_MIPS_ABI_O64 = 0x00002000
  80     EFM_MIPS_ABI_EABI32 = 0x00003000
  81     EFM_MIPS_ABI_EABI64 = 0x00004000
  82
  83
  84 class SHN_INDICES(object):
  85     """ Special section indices
  86     """
  87     SHN_UNDEF=0
  88     SHN_LORESERVE=0xff00
  89     SHN_LOPROC=0xff00
  90     SHN_HIPROC=0xff1f
  91     SHN_ABS=0xfff1
  92     SHN_COMMON=0xfff2
  93     SHN_HIRESERVE=0xffff
  94     SHN_XINDEX=0xffff
  95
  96
  97 class SH_FLAGS(object):
  98     """ Flag values for the sh_flags field of section headers
  99     """
 100     SHF_WRITE=0x1
 101     SHF_ALLOC=0x2
 102     SHF_EXECINSTR=0x4
 103     SHF_MERGE=0x10
 104     SHF_STRINGS=0x20
 105     SHF_INFO_LINK=0x40
 106     SHF_LINK_ORDER=0x80
 107     SHF_OS_NONCONFORMING=0x100
 108     SHF_GROUP=0x200
 109     SHF_TLS=0x400
 110     SHF_COMPRESSED=0x800
 111     SHF_MASKOS=0x0ff00000
 112     SHF_EXCLUDE=0x80000000
 113     SHF_MASKPROC=0xf0000000
 114
 115
 116 class RH_FLAGS(object):
 117     """ Flag values for the DT_MIPS_FLAGS dynamic table entries
 118     """
 119     RHF_NONE=0x00000000
 120     RHF_QUICKSTART=0x00000001
 121     RHF_NOTPOT=0x00000002
 122     RHF_NO_LIBRARY_REPLACEMENT=0x00000004
 123     RHF_NO_MOVE=0x00000008
 124     RHF_SGI_ONLY=0x00000010
 125     RHF_GUARANTEE_INIT=0x00000020
 126     RHF_DELTA_C_PLUS_PLUS=0x00000040
 127     RHF_GUARANTEE_START_INIT=0x00000080
 128     RHF_PIXIE=0x00000100
 129     RHF_DEFAULT_DELAY_LOAD=0x00000200
 130     RHF_REQUICKSTART=0x00000400
 131     RHF_REQUICKSTARTED=0x00000800
 132     RHF_CORD=0x00001000
 133     RHF_NO_UNRES_UNDEF=0x00002000
 134     RHF_RLD_ORDER_SAFE=0x00004000
 135
 136
 137 class P_FLAGS(object):
 138     """ Flag values for the p_flags field of program headers
 139     """
 140     PF_X=0x1
 141     PF_W=0x2
 142     PF_R=0x4
 143     PF_MASKOS=0x00FF0000
 144     PF_MASKPROC=0xFF000000
 145
 146
 147 # symbol info flags for entries
 148 # in the .SUNW_syminfo section
 149 class SUNW_SYMINFO_FLAGS(object):
 150     """ Flags for the si_flags field of entries
 151         in the .SUNW_syminfo section
 152     """
 153     SYMINFO_FLG_DIRECT=0x1
 154     SYMINFO_FLG_FILTER=0x2
 155     SYMINFO_FLG_COPY=0x4
 156     SYMINFO_FLG_LAZYLOAD=0x8
 157     SYMINFO_FLG_DIRECTBIND=0x10
 158     SYMINFO_FLG_NOEXTDIRECT=0x20
 159     SYMINFO_FLG_AUXILIARY=0x40
 160     SYMINFO_FLG_INTERPOSE=0x80
 161     SYMINFO_FLG_CAP=0x100
 162     SYMINFO_FLG_DEFERRED=0x200
 163
 164 class VER_FLAGS(object):
 165     VER_FLG_BASE=0x1
 166     VER_FLG_WEAK=0x2
 167     VER_FLG_INFO=0x4