diff options
| -rw-r--r-- | elf/tst-glibcelf.py | 79 | ||||
| -rw-r--r-- | scripts/glibcelf.py | 1016 |
2 files changed, 438 insertions, 657 deletions
diff --git a/elf/tst-glibcelf.py b/elf/tst-glibcelf.py index e5026e2..a5bff45 100644 --- a/elf/tst-glibcelf.py +++ b/elf/tst-glibcelf.py @@ -18,7 +18,6 @@ # <https://www.gnu.org/licenses/>. import argparse -import enum import sys import glibcelf @@ -45,11 +44,57 @@ def find_constant_prefix(name): def find_enum_types(): """A generator for OpenIntEnum and IntFlag classes in glibcelf.""" + classes = set((glibcelf._TypedConstant, glibcelf._IntConstant, + glibcelf._FlagConstant)) for obj in vars(glibcelf).values(): - if isinstance(obj, type) and obj.__bases__[0] in ( - glibcelf._OpenIntEnum, enum.Enum, enum.IntFlag): + if isinstance(obj, type) and obj not in classes \ + and obj.__bases__[0] in classes: yield obj +def check_basic(): + """Check basic functionality of the constant classes.""" + + if glibcelf.Pt.PT_NULL is not glibcelf.Pt(0): + error('Pt(0) not interned') + if glibcelf.Pt(17609) is glibcelf.Pt(17609): + error('Pt(17609) unexpectedly interned') + if glibcelf.Pt(17609) == glibcelf.Pt(17609): + pass + else: + error('Pt(17609) equality') + if glibcelf.Pt(17610) == glibcelf.Pt(17609): + error('Pt(17610) equality') + + if str(glibcelf.Pt.PT_NULL) != 'PT_NULL': + error('str(PT_NULL)') + if str(glibcelf.Pt(17609)) != '17609': + error('str(Pt(17609))') + + if repr(glibcelf.Pt.PT_NULL) != 'PT_NULL': + error('repr(PT_NULL)') + if repr(glibcelf.Pt(17609)) != 'Pt(17609)': + error('repr(Pt(17609))') + + if glibcelf.Pt('PT_AARCH64_MEMTAG_MTE') \ + is not glibcelf.Pt.PT_AARCH64_MEMTAG_MTE: + error('PT_AARCH64_MEMTAG_MTE identity') + if glibcelf.Pt(0x70000002) is glibcelf.Pt.PT_AARCH64_MEMTAG_MTE: + error('Pt(0x70000002) identity') + if glibcelf.PtAARCH64(0x70000002) is not glibcelf.Pt.PT_AARCH64_MEMTAG_MTE: + error('PtAARCH64(0x70000002) identity') + if glibcelf.Pt.PT_AARCH64_MEMTAG_MTE.short_name != 'AARCH64_MEMTAG_MTE': + error('PT_AARCH64_MEMTAG_MTE short name') + + # Special cases for int-like Shn. + if glibcelf.Shn(32) == glibcelf.Shn.SHN_XINDEX: + error('Shn(32)') + if glibcelf.Shn(32) + 0 != 32: + error('Shn(32) + 0') + if 32 in glibcelf.Shn: + error('32 in Shn') + if 0 not in glibcelf.Shn: + error('0 not in Shn') + def check_duplicates(): """Verifies that enum types do not have duplicate values. @@ -59,17 +104,16 @@ def check_duplicates(): global_seen = {} for typ in find_enum_types(): seen = {} - last = None - for (name, e) in typ.__members__.items(): + for (name, e) in typ.by_name.items(): if e.value in seen: - error('{} has {}={} and {}={}'.format( - typ, seen[e.value], e.value, name, e.value)) - last = e + other = seen[e.value] + # Value conflicts only count if they are between + # the same base type. + if e.__class__ is typ and other.__class__ is typ: + error('{} has {}={} and {}={}'.format( + typ, other, e.value, name, e.value)) else: seen[e.value] = name - if last is not None and last.value > e.value: - error('{} has {}={} after {}={}'.format( - typ, name, e.value, last.name, last.value)) if name in global_seen: error('{} used in {} and {}'.format( name, global_seen[name], typ)) @@ -81,7 +125,7 @@ def check_constant_prefixes(): seen = set() for typ in find_enum_types(): typ_prefix = None - for val in typ: + for val in typ.by_name.values(): prefix = find_constant_prefix(val.name) if prefix is None: error('constant {!r} for {} has unknown prefix'.format( @@ -113,7 +157,6 @@ def find_elf_h_constants(cc): # used in <elf.h>. glibcelf_skipped_aliases = ( ('EM_ARC_A5', 'EM_ARC_COMPACT'), - ('PF_PARISC_SBP', 'PF_HP_SBP') ) # Constants that provide little value and are not included in @@ -146,6 +189,7 @@ DT_VALRNGLO DT_VERSIONTAGNUM ELFCLASSNUM ELFDATANUM +EM_NUM ET_HIOS ET_HIPROC ET_LOOS @@ -159,6 +203,7 @@ PT_HISUNW PT_LOOS PT_LOPROC PT_LOSUNW +PT_NUM SHF_MASKOS SHF_MASKPROC SHN_HIOS @@ -193,7 +238,7 @@ def check_constant_values(cc): """Checks the values of <elf.h> constants against glibcelf.""" glibcelf_constants = { - e.name: e for typ in find_enum_types() for e in typ} + e.name: e for typ in find_enum_types() for e in typ.by_name.values()} elf_h_constants = find_elf_h_constants(cc=cc) missing_in_glibcelf = (set(elf_h_constants) - set(glibcelf_constants) @@ -229,12 +274,13 @@ def check_constant_values(cc): for name in sorted(set(glibcelf_constants) & set(elf_h_constants)): glibcelf_value = glibcelf_constants[name].value elf_h_value = int(elf_h_constants[name]) - # On 32-bit architectures <elf.h> as some constants that are + # On 32-bit architectures <elf.h> has some constants that are # parsed as signed, while they are unsigned in glibcelf. So # far, this only affects some flag constants, so special-case # them here. if (glibcelf_value != elf_h_value - and not (isinstance(glibcelf_constants[name], enum.IntFlag) + and not (isinstance(glibcelf_constants[name], + glibcelf._FlagConstant) and glibcelf_value == 1 << 31 and elf_h_value == -(1 << 31))): error('{}: glibcelf has {!r}, <elf.h> has {!r}'.format( @@ -266,6 +312,7 @@ def main(): help='C compiler (including options) to use') args = parser.parse_args() + check_basic() check_duplicates() check_constant_prefixes() check_constant_values(cc=args.cc) diff --git a/scripts/glibcelf.py b/scripts/glibcelf.py index 5c8f46f..420cb21 100644 --- a/scripts/glibcelf.py +++ b/scripts/glibcelf.py @@ -25,711 +25,445 @@ parsing it. """ import collections -import enum +import functools +import os import struct -if not hasattr(enum, 'IntFlag'): - import sys - sys.stdout.write( - 'warning: glibcelf.py needs Python 3.6 for enum support\n') - sys.exit(77) +import glibcpp + +class _MetaNamedValue(type): + """Used to set up _NamedValue subclasses.""" -class _OpenIntEnum(enum.IntEnum): - """Integer enumeration that supports arbitrary int values.""" @classmethod - def _missing_(cls, value): - # See enum.IntFlag._create_pseudo_member_. This allows - # creating of enum constants with arbitrary integer values. - pseudo_member = int.__new__(cls, value) - pseudo_member._name_ = None - pseudo_member._value_ = value - return pseudo_member + def __prepare__(metacls, cls, bases, **kwds): + # Indicates an int-based class. Needed for types like Shn. + int_based = False + for base in bases: + if issubclass(base, int): + int_based = int + break + return dict(by_value={}, + by_name={}, + prefix=None, + _int_based=int_based) - def __repr__(self): - name = self._name_ - if name is not None: - # The names have prefixes like SHT_, implying their type. - return name - return '{}({})'.format(self.__class__.__name__, self._value_) + def __contains__(self, other): + return other in self.by_value + +class _NamedValue(metaclass=_MetaNamedValue): + """Typed, named integer constants. + + Constants have the following instance attributes: + + name: The full name of the constant (e.g., "PT_NULL"). + short_name: The name with of the constant without the prefix ("NULL"). + value: The integer value of the constant. + + The following class attributes are available: + + by_value: A dict mapping integers to constants. + by_name: A dict mapping strings to constants. + prefix: A string that is removed from the start of short names, or None. + + """ + + def __new__(cls, arg0, arg1=None): + """Instance creation. + + For the one-argument form, the argument must be a string, an + int, or an instance of this class. Strings are looked up via + by_name. Values are looked up via by_value; if value lookup + fails, a new unnamed instance is returned. Instances of this + class a re returned as-is. + + The two-argument form expects the name (a string) and the + value (an integer). A new instance is created in this case. + The instance is not registered in the by_value/by_name + dictionaries (but the caller can do that). + + """ + + typ0 = type(arg0) + if arg1 is None: + if isinstance(typ0, cls): + # Re-use the existing object. + return arg0 + if typ0 is int: + by_value = cls.by_value + try: + return by_value[arg0] + except KeyError: + # Create a new object of the requested value. + if cls._int_based: + result = int.__new__(cls, arg0) + else: + result = object.__new__(cls) + result.value = arg0 + result.name = None + return result + if typ0 is str: + by_name = cls.by_name + try: + return by_name[arg0] + except KeyError: + raise ValueError('unknown {} constant: {!r}'.format( + cls.__name__, arg0)) + else: + # Types for the two-argument form are rigid. + if typ0 is not str and typ0 is not None: + raise ValueError('type {} of name {!r} should be str'.format( + typ0.__name__, arg0)) + if type(arg1) is not int: + raise ValueError('type {} of value {!r} should be int'.format( + type(arg1).__name__, arg1)) + # Create a new named constants. + if cls._int_based: + result = int.__new__(cls, arg1) + else: + result = object.__new__(cls) + result.value = arg1 + result.name = arg0 + # Set up the short_name attribute. + prefix = cls.prefix + if prefix and arg0.startswith(prefix): + result.short_name = arg0[len(prefix):] + else: + result.short_name = arg0 + return result def __str__(self): - name = self._name_ - if name is not None: + name = self.name + if name: + return name + else: + return str(self.value) + + def __repr__(self): + name = self.name + if name: return name - return str(self._value_) + else: + return '{}({})'.format(self.__class__.__name__, self.value) + + def __setattr__(self, name, value): + # Prevent modification of the critical attributes once they + # have been set. + if name in ('name', 'value', 'short_name') and hasattr(self, name): + raise AttributeError('can\'t set attribute {}'.format(name)) + object.__setattr__(self, name, value) + +@functools.total_ordering +class _TypedConstant(_NamedValue): + """Base class for integer-valued optionally named constants. + + This type is not an integer type. + + """ + + def __eq__(self, other): + return isinstance(other, self.__class__) and self.value == other.value + + def __lt__(self, other): + return isinstance(other, self.__class__) and self.value <= other.value + + def __hash__(self): + return hash(self.value) + +class _IntConstant(_NamedValue, int): + """Base class for integer-like optionally named constants. + + Instances compare equal to the integer of the same value, and can + be used in integer arithmetic. + + """ -class ElfClass(_OpenIntEnum): + pass + +class _FlagConstant(_TypedConstant, int): + pass + +def _parse_elf_h(): + """Read ../elf/elf.h and return a dict with the constants in it.""" + + path = os.path.join(os.path.dirname(os.path.realpath(__file__)), + '..', 'elf', 'elf.h') + class TokenizerReporter: + """Report tokenizer errors to standard output.""" + + def __init__(self): + self.errors = 0 + + def error(self, token, message): + self.errors += 1 + print('{}:{}:{}: error: {}'.format( + path, token.line, token.column, message)) + + reporter = TokenizerReporter() + with open(path) as inp: + tokens = glibcpp.tokenize_c(inp.read(), reporter) + if reporter.errors: + raise IOError('parse error in elf.h') + + class MacroReporter: + """Report macro errors to standard output.""" + + def __init__(self): + self.errors = 0 + + def error(self, line, message): + errors += 1 + print('{}:{}: error: {}'.format(path, line, message)) + + def note(self, line, message): + print('{}:{}: note: {}'.format(path, line, message)) + + reporter = MacroReporter() + result = glibcpp.macro_eval(glibcpp.macro_definitions(tokens), reporter) + if reporter.errors: + raise IOError('parse error in elf.h') + + return result +_elf_h = _parse_elf_h() +del _parse_elf_h +_elf_h_processed = set() + +def _register_elf_h(cls, prefix=None, skip=(), ranges=False, parent=None): + prefix = prefix or cls.prefix + if not prefix: + raise ValueError('missing prefix for {}'.format(cls.__name__)) + by_value = cls.by_value + by_name = cls.by_name + processed = _elf_h_processed + + skip = set(skip) + skip.add(prefix + 'NUM') + if ranges: + skip.add(prefix + 'LOOS') + skip.add(prefix + 'HIOS') + skip.add(prefix + 'LOPROC') + skip.add(prefix + 'HIPROC') + cls.os_range = (_elf_h[prefix + 'LOOS'], _elf_h[prefix + 'HIOS']) + cls.proc_range = (_elf_h[prefix + 'LOPROC'], _elf_h[prefix + 'HIPROC']) + + # Inherit the prefix from the parent if not set. + if parent and cls.prefix is None and parent.prefix is not None: + cls.prefix = parent.prefix + + processed_len_start = len(processed) + for name, value in _elf_h.items(): + if name in skip or name in processed: + continue + if name.startswith(prefix): + processed.add(name) + if value in by_value: + raise ValueError('duplicate value {}: {}, {}'.format( + value, name, by_value[value])) + obj = cls(name, value) + by_value[value] = obj + by_name[name] = obj + setattr(cls, name, obj) + if parent: + # Make the symbolic name available through the parent as well. + parent.by_name[name] = obj + setattr(parent, name, obj) + + if len(processed) == processed_len_start: + raise ValueError('nothing matched prefix {!r}'.format(prefix)) + +class ElfClass(_TypedConstant): """ELF word size. Type of EI_CLASS values.""" - ELFCLASSNONE = 0 - ELFCLASS32 = 1 - ELFCLASS64 = 2 +_register_elf_h(ElfClass, prefix='ELFCLASS') -class ElfData(_OpenIntEnum): +class ElfData(_TypedConstant): """ELF endianess. Type of EI_DATA values.""" - ELFDATANONE = 0 - ELFDATA2LSB = 1 - ELFDATA2MSB = 2 +_register_elf_h(ElfData, prefix='ELFDATA') -class Machine(_OpenIntEnum): +class Machine(_TypedConstant): """ELF machine type. Type of values in Ehdr.e_machine field.""" - EM_NONE = 0 - EM_M32 = 1 - EM_SPARC = 2 - EM_386 = 3 - EM_68K = 4 - EM_88K = 5 - EM_IAMCU = 6 - EM_860 = 7 - EM_MIPS = 8 - EM_S370 = 9 - EM_MIPS_RS3_LE = 10 - EM_PARISC = 15 - EM_VPP500 = 17 - EM_SPARC32PLUS = 18 - EM_960 = 19 - EM_PPC = 20 - EM_PPC64 = 21 - EM_S390 = 22 - EM_SPU = 23 - EM_V800 = 36 - EM_FR20 = 37 - EM_RH32 = 38 - EM_RCE = 39 - EM_ARM = 40 - EM_FAKE_ALPHA = 41 - EM_SH = 42 - EM_SPARCV9 = 43 - EM_TRICORE = 44 - EM_ARC = 45 - EM_H8_300 = 46 - EM_H8_300H = 47 - EM_H8S = 48 - EM_H8_500 = 49 - EM_IA_64 = 50 - EM_MIPS_X = 51 - EM_COLDFIRE = 52 - EM_68HC12 = 53 - EM_MMA = 54 - EM_PCP = 55 - EM_NCPU = 56 - EM_NDR1 = 57 - EM_STARCORE = 58 - EM_ME16 = 59 - EM_ST100 = 60 - EM_TINYJ = 61 - EM_X86_64 = 62 - EM_PDSP = 63 - EM_PDP10 = 64 - EM_PDP11 = 65 - EM_FX66 = 66 - EM_ST9PLUS = 67 - EM_ST7 = 68 - EM_68HC16 = 69 - EM_68HC11 = 70 - EM_68HC08 = 71 - EM_68HC05 = 72 - EM_SVX = 73 - EM_ST19 = 74 - EM_VAX = 75 - EM_CRIS = 76 - EM_JAVELIN = 77 - EM_FIREPATH = 78 - EM_ZSP = 79 - EM_MMIX = 80 - EM_HUANY = 81 - EM_PRISM = 82 - EM_AVR = 83 - EM_FR30 = 84 - EM_D10V = 85 - EM_D30V = 86 - EM_V850 = 87 - EM_M32R = 88 - EM_MN10300 = 89 - EM_MN10200 = 90 - EM_PJ = 91 - EM_OPENRISC = 92 - EM_ARC_COMPACT = 93 - EM_XTENSA = 94 - EM_VIDEOCORE = 95 - EM_TMM_GPP = 96 - EM_NS32K = 97 - EM_TPC = 98 - EM_SNP1K = 99 - EM_ST200 = 100 - EM_IP2K = 101 - EM_MAX = 102 - EM_CR = 103 - EM_F2MC16 = 104 - EM_MSP430 = 105 - EM_BLACKFIN = 106 - EM_SE_C33 = 107 - EM_SEP = 108 - EM_ARCA = 109 - EM_UNICORE = 110 - EM_EXCESS = 111 - EM_DXP = 112 - EM_ALTERA_NIOS2 = 113 - EM_CRX = 114 - EM_XGATE = 115 - EM_C166 = 116 - EM_M16C = 117 - EM_DSPIC30F = 118 - EM_CE = 119 - EM_M32C = 120 - EM_TSK3000 = 131 - EM_RS08 = 132 - EM_SHARC = 133 - EM_ECOG2 = 134 - EM_SCORE7 = 135 - EM_DSP24 = 136 - EM_VIDEOCORE3 = 137 - EM_LATTICEMICO32 = 138 - EM_SE_C17 = 139 - EM_TI_C6000 = 140 - EM_TI_C2000 = 141 - EM_TI_C5500 = 142 - EM_TI_ARP32 = 143 - EM_TI_PRU = 144 - EM_MMDSP_PLUS = 160 - EM_CYPRESS_M8C = 161 - EM_R32C = 162 - EM_TRIMEDIA = 163 - EM_QDSP6 = 164 - EM_8051 = 165 - EM_STXP7X = 166 - EM_NDS32 = 167 - EM_ECOG1X = 168 - EM_MAXQ30 = 169 - EM_XIMO16 = 170 - EM_MANIK = 171 - EM_CRAYNV2 = 172 - EM_RX = 173 - EM_METAG = 174 - EM_MCST_ELBRUS = 175 - EM_ECOG16 = 176 - EM_CR16 = 177 - EM_ETPU = 178 - EM_SLE9X = 179 - EM_L10M = 180 - EM_K10M = 181 - EM_AARCH64 = 183 - EM_AVR32 = 185 - EM_STM8 = 186 - EM_TILE64 = 187 - EM_TILEPRO = 188 - EM_MICROBLAZE = 189 - EM_CUDA = 190 - EM_TILEGX = 191 - EM_CLOUDSHIELD = 192 - EM_COREA_1ST = 193 - EM_COREA_2ND = 194 - EM_ARCV2 = 195 - EM_OPEN8 = 196 - EM_RL78 = 197 - EM_VIDEOCORE5 = 198 - EM_78KOR = 199 - EM_56800EX = 200 - EM_BA1 = 201 - EM_BA2 = 202 - EM_XCORE = 203 - EM_MCHP_PIC = 204 - EM_INTELGT = 205 - EM_KM32 = 210 - EM_KMX32 = 211 - EM_EMX16 = 212 - EM_EMX8 = 213 - EM_KVARC = 214 - EM_CDP = 215 - EM_COGE = 216 - EM_COOL = 217 - EM_NORC = 218 - EM_CSR_KALIMBA = 219 - EM_Z80 = 220 - EM_VISIUM = 221 - EM_FT32 = 222 - EM_MOXIE = 223 - EM_AMDGPU = 224 - EM_RISCV = 243 - EM_BPF = 247 - EM_CSKY = 252 - EM_LOONGARCH = 258 - EM_NUM = 259 - EM_ALPHA = 0x9026 - -class Et(_OpenIntEnum): + prefix = 'EM_' +_register_elf_h(Machine, skip=('EM_ARC_A5',)) + +class Et(_TypedConstant): """ELF file type. Type of ET_* values and the Ehdr.e_type field.""" - ET_NONE = 0 - ET_REL = 1 - ET_EXEC = 2 - ET_DYN = 3 - ET_CORE = 4 + prefix = 'ET_' +_register_elf_h(Et, ranges=True) -class Shn(_OpenIntEnum): +class Shn(_IntConstant): """ELF reserved section indices.""" - SHN_UNDEF = 0 - SHN_BEFORE = 0xff00 - SHN_AFTER = 0xff01 - SHN_ABS = 0xfff1 - SHN_COMMON = 0xfff2 - SHN_XINDEX = 0xffff - -class ShnMIPS(enum.Enum): + prefix = 'SHN_' +class ShnMIPS(Shn): """Supplemental SHN_* constants for EM_MIPS.""" - SHN_MIPS_ACOMMON = 0xff00 - SHN_MIPS_TEXT = 0xff01 - SHN_MIPS_DATA = 0xff02 - SHN_MIPS_SCOMMON = 0xff03 - SHN_MIPS_SUNDEFINED = 0xff04 - -class ShnPARISC(enum.Enum): +class ShnPARISC(Shn): """Supplemental SHN_* constants for EM_PARISC.""" - SHN_PARISC_ANSI_COMMON = 0xff00 - SHN_PARISC_HUGE_COMMON = 0xff01 +_register_elf_h(ShnMIPS, prefix='SHN_MIPS_', parent=Shn) +_register_elf_h(ShnPARISC, prefix='SHN_PARISC_', parent=Shn) +_register_elf_h(Shn, skip='SHN_LORESERVE SHN_HIRESERVE'.split(), ranges=True) -class Sht(_OpenIntEnum): +class Sht(_TypedConstant): """ELF section types. Type of SHT_* values.""" - SHT_NULL = 0 - SHT_PROGBITS = 1 - SHT_SYMTAB = 2 - SHT_STRTAB = 3 - SHT_RELA = 4 - SHT_HASH = 5 - SHT_DYNAMIC = 6 - SHT_NOTE = 7 - SHT_NOBITS = 8 - SHT_REL = 9 - SHT_SHLIB = 10 - SHT_DYNSYM = 11 - SHT_INIT_ARRAY = 14 - SHT_FINI_ARRAY = 15 - SHT_PREINIT_ARRAY = 16 - SHT_GROUP = 17 - SHT_SYMTAB_SHNDX = 18 - SHT_RELR = 19 - SHT_GNU_ATTRIBUTES = 0x6ffffff5 - SHT_GNU_HASH = 0x6ffffff6 - SHT_GNU_LIBLIST = 0x6ffffff7 - SHT_CHECKSUM = 0x6ffffff8 - SHT_SUNW_move = 0x6ffffffa - SHT_SUNW_COMDAT = 0x6ffffffb - SHT_SUNW_syminfo = 0x6ffffffc - SHT_GNU_verdef = 0x6ffffffd - SHT_GNU_verneed = 0x6ffffffe - SHT_GNU_versym = 0x6fffffff - -class ShtALPHA(enum.Enum): + prefix = 'SHT_' +class ShtALPHA(Sht): """Supplemental SHT_* constants for EM_ALPHA.""" - SHT_ALPHA_DEBUG = 0x70000001 - SHT_ALPHA_REGINFO = 0x70000002 - -class ShtARM(enum.Enum): +class ShtARM(Sht): """Supplemental SHT_* constants for EM_ARM.""" - SHT_ARM_EXIDX = 0x70000001 - SHT_ARM_PREEMPTMAP = 0x70000002 - SHT_ARM_ATTRIBUTES = 0x70000003 - -class ShtCSKY(enum.Enum): +class ShtCSKY(Sht): """Supplemental SHT_* constants for EM_CSKY.""" - SHT_CSKY_ATTRIBUTES = 0x70000001 - -class ShtIA_64(enum.Enum): +class ShtIA_64(Sht): """Supplemental SHT_* constants for EM_IA_64.""" - SHT_IA_64_EXT = 0x70000000 - SHT_IA_64_UNWIND = 0x70000001 - -class ShtMIPS(enum.Enum): +class ShtMIPS(Sht): """Supplemental SHT_* constants for EM_MIPS.""" - SHT_MIPS_LIBLIST = 0x70000000 - SHT_MIPS_MSYM = 0x70000001 - SHT_MIPS_CONFLICT = 0x70000002 - SHT_MIPS_GPTAB = 0x70000003 - SHT_MIPS_UCODE = 0x70000004 - SHT_MIPS_DEBUG = 0x70000005 - SHT_MIPS_REGINFO = 0x70000006 - SHT_MIPS_PACKAGE = 0x70000007 - SHT_MIPS_PACKSYM = 0x70000008 - SHT_MIPS_RELD = 0x70000009 - SHT_MIPS_IFACE = 0x7000000b - SHT_MIPS_CONTENT = 0x7000000c - SHT_MIPS_OPTIONS = 0x7000000d - SHT_MIPS_SHDR = 0x70000010 - SHT_MIPS_FDESC = 0x70000011 - SHT_MIPS_EXTSYM = 0x70000012 - SHT_MIPS_DENSE = 0x70000013 - SHT_MIPS_PDESC = 0x70000014 - SHT_MIPS_LOCSYM = 0x70000015 - SHT_MIPS_AUXSYM = 0x70000016 - SHT_MIPS_OPTSYM = 0x70000017 - SHT_MIPS_LOCSTR = 0x70000018 - SHT_MIPS_LINE = 0x70000019 - SHT_MIPS_RFDESC = 0x7000001a - SHT_MIPS_DELTASYM = 0x7000001b - SHT_MIPS_DELTAINST = 0x7000001c - SHT_MIPS_DELTACLASS = 0x7000001d - SHT_MIPS_DWARF = 0x7000001e - SHT_MIPS_DELTADECL = 0x7000001f - SHT_MIPS_SYMBOL_LIB = 0x70000020 - SHT_MIPS_EVENTS = 0x70000021 - SHT_MIPS_TRANSLATE = 0x70000022 - SHT_MIPS_PIXIE = 0x70000023 - SHT_MIPS_XLATE = 0x70000024 - SHT_MIPS_XLATE_DEBUG = 0x70000025 - SHT_MIPS_WHIRL = 0x70000026 - SHT_MIPS_EH_REGION = 0x70000027 - SHT_MIPS_XLATE_OLD = 0x70000028 - SHT_MIPS_PDR_EXCEPTION = 0x70000029 - SHT_MIPS_XHASH = 0x7000002b - -class ShtPARISC(enum.Enum): +class ShtPARISC(Sht): """Supplemental SHT_* constants for EM_PARISC.""" - SHT_PARISC_EXT = 0x70000000 - SHT_PARISC_UNWIND = 0x70000001 - SHT_PARISC_DOC = 0x70000002 - -class ShtRISCV(enum.Enum): +class ShtRISCV(Sht): """Supplemental SHT_* constants for EM_RISCV.""" - SHT_RISCV_ATTRIBUTES = 0x70000003 - -class Pf(enum.IntFlag): +_register_elf_h(ShtALPHA, prefix='SHT_ALPHA_', parent=Sht) +_register_elf_h(ShtARM, prefix='SHT_ARM_', parent=Sht) +_register_elf_h(ShtCSKY, prefix='SHT_CSKY_', parent=Sht) +_register_elf_h(ShtIA_64, prefix='SHT_IA_64_', parent=Sht) +_register_elf_h(ShtMIPS, prefix='SHT_MIPS_', parent=Sht) +_register_elf_h(ShtPARISC, prefix='SHT_PARISC_', parent=Sht) +_register_elf_h(ShtRISCV, prefix='SHT_RISCV_', parent=Sht) +_register_elf_h(Sht, ranges=True, + skip='SHT_LOSUNW SHT_HISUNW SHT_LOUSER SHT_HIUSER'.split()) + +class Pf(_FlagConstant): """Program header flags. Type of Phdr.p_flags values.""" - PF_X = 1 - PF_W = 2 - PF_R = 4 - -class PfARM(enum.IntFlag): + prefix = 'PF_' +class PfARM(Pf): """Supplemental PF_* flags for EM_ARM.""" - PF_ARM_SB = 0x10000000 - PF_ARM_PI = 0x20000000 - PF_ARM_ABS = 0x40000000 - -class PfPARISC(enum.IntFlag): - """Supplemental PF_* flags for EM_PARISC.""" - PF_HP_PAGE_SIZE = 0x00100000 - PF_HP_FAR_SHARED = 0x00200000 - PF_HP_NEAR_SHARED = 0x00400000 - PF_HP_CODE = 0x01000000 - PF_HP_MODIFY = 0x02000000 - PF_HP_LAZYSWAP = 0x04000000 - PF_HP_SBP = 0x08000000 - -class PfIA_64(enum.IntFlag): +class PfHP(Pf): + """Supplemental PF_* flags for HP-UX.""" +class PfIA_64(Pf): """Supplemental PF_* flags for EM_IA_64.""" - PF_IA_64_NORECOV = 0x80000000 - -class PfMIPS(enum.IntFlag): +class PfMIPS(Pf): """Supplemental PF_* flags for EM_MIPS.""" - PF_MIPS_LOCAL = 0x10000000 - -class Shf(enum.IntFlag): +class PfPARISC(Pf): + """Supplemental PF_* flags for EM_PARISC.""" +_register_elf_h(PfARM, prefix='PF_ARM_', parent=Pf) +_register_elf_h(PfHP, prefix='PF_HP_', parent=Pf) +_register_elf_h(PfIA_64, prefix='PF_IA_64_', parent=Pf) +_register_elf_h(PfMIPS, prefix='PF_MIPS_', parent=Pf) +_register_elf_h(PfPARISC, prefix='PF_PARISC_', parent=Pf) +_register_elf_h(Pf, skip='PF_MASKOS PF_MASKPROC'.split()) + +class Shf(_FlagConstant): """Section flags. Type of Shdr.sh_type values.""" - SHF_WRITE = 1 << 0 - SHF_ALLOC = 1 << 1 - SHF_EXECINSTR = 1 << 2 - SHF_MERGE = 1 << 4 - SHF_STRINGS = 1 << 5 - SHF_INFO_LINK = 1 << 6 - SHF_LINK_ORDER = 1 << 7 - SHF_OS_NONCONFORMING = 256 - SHF_GROUP = 1 << 9 - SHF_TLS = 1 << 10 - SHF_COMPRESSED = 1 << 11 - SHF_GNU_RETAIN = 1 << 21 - SHF_ORDERED = 1 << 30 - SHF_EXCLUDE = 1 << 31 - -class ShfALPHA(enum.IntFlag): + prefix = 'SHF_' +class ShfALPHA(Shf): """Supplemental SHF_* constants for EM_ALPHA.""" - SHF_ALPHA_GPREL = 0x10000000 - -class ShfARM(enum.IntFlag): +class ShfARM(Shf): """Supplemental SHF_* constants for EM_ARM.""" - SHF_ARM_ENTRYSECT = 0x10000000 - SHF_ARM_COMDEF = 0x80000000 - -class ShfIA_64(enum.IntFlag): +class ShfIA_64(Shf): """Supplemental SHF_* constants for EM_IA_64.""" - SHF_IA_64_SHORT = 0x10000000 - SHF_IA_64_NORECOV = 0x20000000 - -class ShfMIPS(enum.IntFlag): +class ShfMIPS(Shf): """Supplemental SHF_* constants for EM_MIPS.""" - SHF_MIPS_GPREL = 0x10000000 - SHF_MIPS_MERGE = 0x20000000 - SHF_MIPS_ADDR = 0x40000000 - SHF_MIPS_STRINGS = 0x80000000 - SHF_MIPS_NOSTRIP = 0x08000000 - SHF_MIPS_LOCAL = 0x04000000 - SHF_MIPS_NAMES = 0x02000000 - SHF_MIPS_NODUPE = 0x01000000 - -class ShfPARISC(enum.IntFlag): +class ShfPARISC(Shf): """Supplemental SHF_* constants for EM_PARISC.""" - SHF_PARISC_SHORT = 0x20000000 - SHF_PARISC_HUGE = 0x40000000 - SHF_PARISC_SBP = 0x80000000 - -class Stb(_OpenIntEnum): +_register_elf_h(ShfALPHA, prefix='SHF_ALPHA_', parent=Shf) +_register_elf_h(ShfARM, prefix='SHF_ARM_', parent=Shf) +_register_elf_h(ShfIA_64, prefix='SHF_IA_64_', parent=Shf) +_register_elf_h(ShfMIPS, prefix='SHF_MIPS_', parent=Shf) +_register_elf_h(ShfPARISC, prefix='SHF_PARISC_', parent=Shf) +_register_elf_h(Shf, skip='SHF_MASKOS SHF_MASKPROC'.split()) + +class Stb(_TypedConstant): """ELF symbol binding type.""" - STB_LOCAL = 0 - STB_GLOBAL = 1 - STB_WEAK = 2 - STB_GNU_UNIQUE = 10 - STB_MIPS_SPLIT_COMMON = 13 + prefix = 'STB_' +_register_elf_h(Stb, ranges=True) -class Stt(_OpenIntEnum): +class Stt(_TypedConstant): """ELF symbol type.""" - STT_NOTYPE = 0 - STT_OBJECT = 1 - STT_FUNC = 2 - STT_SECTION = 3 - STT_FILE = 4 - STT_COMMON = 5 - STT_TLS = 6 - STT_GNU_IFUNC = 10 - -class SttARM(enum.Enum): + prefix = 'STT_' +class SttARM(Sht): """Supplemental STT_* constants for EM_ARM.""" - STT_ARM_TFUNC = 13 - STT_ARM_16BIT = 15 - -class SttPARISC(enum.Enum): +class SttPARISC(Sht): """Supplemental STT_* constants for EM_PARISC.""" - STT_HP_OPAQUE = 11 - STT_HP_STUB = 12 - STT_PARISC_MILLICODE = 13 - -class SttSPARC(enum.Enum): +class SttSPARC(Sht): """Supplemental STT_* constants for EM_SPARC.""" STT_SPARC_REGISTER = 13 - -class SttX86_64(enum.Enum): +class SttX86_64(Sht): """Supplemental STT_* constants for EM_X86_64.""" - SHT_X86_64_UNWIND = 0x70000001 +_register_elf_h(SttARM, prefix='STT_ARM_', parent=Stt) +_register_elf_h(SttPARISC, prefix='STT_PARISC_', parent=Stt) +_register_elf_h(SttSPARC, prefix='STT_SPARC_', parent=Stt) +_register_elf_h(Stt, ranges=True) + -class Pt(_OpenIntEnum): +class Pt(_TypedConstant): """ELF program header types. Type of Phdr.p_type.""" - PT_NULL = 0 - PT_LOAD = 1 - PT_DYNAMIC = 2 - PT_INTERP = 3 - PT_NOTE = 4 - PT_SHLIB = 5 - PT_PHDR = 6 - PT_TLS = 7 - PT_NUM = 8 - PT_GNU_EH_FRAME = 0x6474e550 - PT_GNU_STACK = 0x6474e551 - PT_GNU_RELRO = 0x6474e552 - PT_GNU_PROPERTY = 0x6474e553 - PT_SUNWBSS = 0x6ffffffa - PT_SUNWSTACK = 0x6ffffffb - -class PtAARCH64(enum.Enum): + prefix = 'PT_' +class PtAARCH64(Pt): """Supplemental PT_* constants for EM_AARCH64.""" - PT_AARCH64_MEMTAG_MTE = 0x70000002 - -class PtARM(enum.Enum): +class PtARM(Pt): """Supplemental PT_* constants for EM_ARM.""" - PT_ARM_EXIDX = 0x70000001 - -class PtIA_64(enum.Enum): +class PtHP(Pt): + """Supplemental PT_* constants for HP-U.""" +class PtIA_64(Pt): """Supplemental PT_* constants for EM_IA_64.""" - PT_IA_64_HP_OPT_ANOT = 0x60000012 - PT_IA_64_HP_HSL_ANOT = 0x60000013 - PT_IA_64_HP_STACK = 0x60000014 - PT_IA_64_ARCHEXT = 0x70000000 - PT_IA_64_UNWIND = 0x70000001 - -class PtMIPS(enum.Enum): +class PtMIPS(Pt): """Supplemental PT_* constants for EM_MIPS.""" - PT_MIPS_REGINFO = 0x70000000 - PT_MIPS_RTPROC = 0x70000001 - PT_MIPS_OPTIONS = 0x70000002 - PT_MIPS_ABIFLAGS = 0x70000003 - -class PtPARISC(enum.Enum): +class PtPARISC(Pt): """Supplemental PT_* constants for EM_PARISC.""" - PT_HP_TLS = 0x60000000 - PT_HP_CORE_NONE = 0x60000001 - PT_HP_CORE_VERSION = 0x60000002 - PT_HP_CORE_KERNEL = 0x60000003 - PT_HP_CORE_COMM = 0x60000004 - PT_HP_CORE_PROC = 0x60000005 - PT_HP_CORE_LOADABLE = 0x60000006 - PT_HP_CORE_STACK = 0x60000007 - PT_HP_CORE_SHM = 0x60000008 - PT_HP_CORE_MMF = 0x60000009 - PT_HP_PARALLEL = 0x60000010 - PT_HP_FASTBIND = 0x60000011 - PT_HP_OPT_ANNOT = 0x60000012 - PT_HP_HSL_ANNOT = 0x60000013 - PT_HP_STACK = 0x60000014 - PT_PARISC_ARCHEXT = 0x70000000 - PT_PARISC_UNWIND = 0x70000001 - -class PtRISCV(enum.Enum): +class PtRISCV(Pt): """Supplemental PT_* constants for EM_RISCV.""" - PT_RISCV_ATTRIBUTES = 0x70000003 - -class Dt(_OpenIntEnum): +_register_elf_h(PtAARCH64, prefix='PT_AARCH64_', parent=Pt) +_register_elf_h(PtARM, prefix='PT_ARM_', parent=Pt) +_register_elf_h(PtHP, prefix='PT_HP_', parent=Pt) +_register_elf_h(PtIA_64, prefix='PT_IA_64_', parent=Pt) +_register_elf_h(PtMIPS, prefix='PT_MIPS_', parent=Pt) +_register_elf_h(PtPARISC, prefix='PT_PARISC_', parent=Pt) +_register_elf_h(PtRISCV, prefix='PT_RISCV_', parent=Pt) +_register_elf_h(Pt, skip='PT_LOSUNW PT_HISUNW'.split(), ranges=True) + +class Dt(_TypedConstant): """ELF dynamic segment tags. Type of Dyn.d_val.""" - DT_NULL = 0 - DT_NEEDED = 1 - DT_PLTRELSZ = 2 - DT_PLTGOT = 3 - DT_HASH = 4 - DT_STRTAB = 5 - DT_SYMTAB = 6 - DT_RELA = 7 - DT_RELASZ = 8 - DT_RELAENT = 9 - DT_STRSZ = 10 - DT_SYMENT = 11 - DT_INIT = 12 - DT_FINI = 13 - DT_SONAME = 14 - DT_RPATH = 15 - DT_SYMBOLIC = 16 - DT_REL = 17 - DT_RELSZ = 18 - DT_RELENT = 19 - DT_PLTREL = 20 - DT_DEBUG = 21 - DT_TEXTREL = 22 - DT_JMPREL = 23 - DT_BIND_NOW = 24 - DT_INIT_ARRAY = 25 - DT_FINI_ARRAY = 26 - DT_INIT_ARRAYSZ = 27 - DT_FINI_ARRAYSZ = 28 - DT_RUNPATH = 29 - DT_FLAGS = 30 - DT_PREINIT_ARRAY = 32 - DT_PREINIT_ARRAYSZ = 33 - DT_SYMTAB_SHNDX = 34 - DT_RELRSZ = 35 - DT_RELR = 36 - DT_RELRENT = 37 - DT_GNU_PRELINKED = 0x6ffffdf5 - DT_GNU_CONFLICTSZ = 0x6ffffdf6 - DT_GNU_LIBLISTSZ = 0x6ffffdf7 - DT_CHECKSUM = 0x6ffffdf8 - DT_PLTPADSZ = 0x6ffffdf9 - DT_MOVEENT = 0x6ffffdfa - DT_MOVESZ = 0x6ffffdfb - DT_FEATURE_1 = 0x6ffffdfc - DT_POSFLAG_1 = 0x6ffffdfd - DT_SYMINSZ = 0x6ffffdfe - DT_SYMINENT = 0x6ffffdff - DT_GNU_HASH = 0x6ffffef5 - DT_TLSDESC_PLT = 0x6ffffef6 - DT_TLSDESC_GOT = 0x6ffffef7 - DT_GNU_CONFLICT = 0x6ffffef8 - DT_GNU_LIBLIST = 0x6ffffef9 - DT_CONFIG = 0x6ffffefa - DT_DEPAUDIT = 0x6ffffefb - DT_AUDIT = 0x6ffffefc - DT_PLTPAD = 0x6ffffefd - DT_MOVETAB = 0x6ffffefe - DT_SYMINFO = 0x6ffffeff - DT_VERSYM = 0x6ffffff0 - DT_RELACOUNT = 0x6ffffff9 - DT_RELCOUNT = 0x6ffffffa - DT_FLAGS_1 = 0x6ffffffb - DT_VERDEF = 0x6ffffffc - DT_VERDEFNUM = 0x6ffffffd - DT_VERNEED = 0x6ffffffe - DT_VERNEEDNUM = 0x6fffffff - DT_AUXILIARY = 0x7ffffffd - DT_FILTER = 0x7fffffff - -class DtAARCH64(enum.Enum): + prefix = 'DT_' +class DtAARCH64(Dt): """Supplemental DT_* constants for EM_AARCH64.""" - DT_AARCH64_BTI_PLT = 0x70000001 - DT_AARCH64_PAC_PLT = 0x70000003 - DT_AARCH64_VARIANT_PCS = 0x70000005 - -class DtALPHA(enum.Enum): +class DtALPHA(Dt): """Supplemental DT_* constants for EM_ALPHA.""" - DT_ALPHA_PLTRO = 0x70000000 - -class DtALTERA_NIOS2(enum.Enum): +class DtALTERA_NIOS2(Dt): """Supplemental DT_* constants for EM_ALTERA_NIOS2.""" - DT_NIOS2_GP = 0x70000002 - -class DtIA_64(enum.Enum): +class DtIA_64(Dt): """Supplemental DT_* constants for EM_IA_64.""" - DT_IA_64_PLT_RESERVE = 0x70000000 - -class DtMIPS(enum.Enum): +class DtMIPS(Dt): """Supplemental DT_* constants for EM_MIPS.""" - DT_MIPS_RLD_VERSION = 0x70000001 - DT_MIPS_TIME_STAMP = 0x70000002 - DT_MIPS_ICHECKSUM = 0x70000003 - DT_MIPS_IVERSION = 0x70000004 - DT_MIPS_FLAGS = 0x70000005 - DT_MIPS_BASE_ADDRESS = 0x70000006 - DT_MIPS_MSYM = 0x70000007 - DT_MIPS_CONFLICT = 0x70000008 - DT_MIPS_LIBLIST = 0x70000009 - DT_MIPS_LOCAL_GOTNO = 0x7000000a - DT_MIPS_CONFLICTNO = 0x7000000b - DT_MIPS_LIBLISTNO = 0x70000010 - DT_MIPS_SYMTABNO = 0x70000011 - DT_MIPS_UNREFEXTNO = 0x70000012 - DT_MIPS_GOTSYM = 0x70000013 - DT_MIPS_HIPAGENO = 0x70000014 - DT_MIPS_RLD_MAP = 0x70000016 - DT_MIPS_DELTA_CLASS = 0x70000017 - DT_MIPS_DELTA_CLASS_NO = 0x70000018 - DT_MIPS_DELTA_INSTANCE = 0x70000019 - DT_MIPS_DELTA_INSTANCE_NO = 0x7000001a - DT_MIPS_DELTA_RELOC = 0x7000001b - DT_MIPS_DELTA_RELOC_NO = 0x7000001c - DT_MIPS_DELTA_SYM = 0x7000001d - DT_MIPS_DELTA_SYM_NO = 0x7000001e - DT_MIPS_DELTA_CLASSSYM = 0x70000020 - DT_MIPS_DELTA_CLASSSYM_NO = 0x70000021 - DT_MIPS_CXX_FLAGS = 0x70000022 - DT_MIPS_PIXIE_INIT = 0x70000023 - DT_MIPS_SYMBOL_LIB = 0x70000024 - DT_MIPS_LOCALPAGE_GOTIDX = 0x70000025 - DT_MIPS_LOCAL_GOTIDX = 0x70000026 - DT_MIPS_HIDDEN_GOTIDX = 0x70000027 - DT_MIPS_PROTECTED_GOTIDX = 0x70000028 - DT_MIPS_OPTIONS = 0x70000029 - DT_MIPS_INTERFACE = 0x7000002a - DT_MIPS_DYNSTR_ALIGN = 0x7000002b - DT_MIPS_INTERFACE_SIZE = 0x7000002c - DT_MIPS_RLD_TEXT_RESOLVE_ADDR = 0x7000002d - DT_MIPS_PERF_SUFFIX = 0x7000002e - DT_MIPS_COMPACT_SIZE = 0x7000002f - DT_MIPS_GP_VALUE = 0x70000030 - DT_MIPS_AUX_DYNAMIC = 0x70000031 - DT_MIPS_PLTGOT = 0x70000032 - DT_MIPS_RWPLT = 0x70000034 - DT_MIPS_RLD_MAP_REL = 0x70000035 - DT_MIPS_XHASH = 0x70000036 - -class DtPPC(enum.Enum): +class DtPPC(Dt): """Supplemental DT_* constants for EM_PPC.""" - DT_PPC_GOT = 0x70000000 - DT_PPC_OPT = 0x70000001 - -class DtPPC64(enum.Enum): +class DtPPC64(Dt): """Supplemental DT_* constants for EM_PPC64.""" - DT_PPC64_GLINK = 0x70000000 - DT_PPC64_OPD = 0x70000001 - DT_PPC64_OPDSZ = 0x70000002 - DT_PPC64_OPT = 0x70000003 - -class DtRISCV(enum.Enum): +class DtRISCV(Dt): """Supplemental DT_* constants for EM_RISCV.""" - DT_RISCV_VARIANT_CC = 0x70000001 - -class DtSPARC(enum.Enum): +class DtSPARC(Dt): """Supplemental DT_* constants for EM_SPARC.""" - DT_SPARC_REGISTER = 0x70000001 +_dt_skip = ''' +DT_ENCODING DT_PROCNUM +DT_ADDRRNGLO DT_ADDRRNGHI DT_ADDRNUM +DT_VALRNGLO DT_VALRNGHI DT_VALNUM +DT_VERSIONTAGNUM DT_EXTRANUM +DT_AARCH64_NUM +DT_ALPHA_NUM +DT_IA_64_NUM +DT_MIPS_NUM +DT_PPC_NUM +DT_PPC64_NUM +DT_SPARC_NUM +'''.strip().split() +_register_elf_h(DtAARCH64, prefix='DT_AARCH64_', skip=_dt_skip, parent=Dt) +_register_elf_h(DtALPHA, prefix='DT_ALPHA_', skip=_dt_skip, parent=Dt) +_register_elf_h(DtALTERA_NIOS2, prefix='DT_NIOS2_', skip=_dt_skip, parent=Dt) +_register_elf_h(DtIA_64, prefix='DT_IA_64_', skip=_dt_skip, parent=Dt) +_register_elf_h(DtMIPS, prefix='DT_MIPS_', skip=_dt_skip, parent=Dt) +_register_elf_h(DtPPC, prefix='DT_PPC_', skip=_dt_skip, parent=Dt) +_register_elf_h(DtPPC64, prefix='DT_PPC64_', skip=_dt_skip, parent=Dt) +_register_elf_h(DtRISCV, prefix='DT_RISCV_', skip=_dt_skip, parent=Dt) +_register_elf_h(DtSPARC, prefix='DT_SPARC_', skip=_dt_skip, parent=Dt) +_register_elf_h(Dt, skip=_dt_skip, ranges=True) +del _dt_skip + +# Constant extraction is complete. +del _register_elf_h +del _elf_h class StInfo: """ELF symbol binding and type. Type of the Sym.st_info field.""" |