def encode(self, encoder, name_index_map, section_index_map):
import peachpy.encoder
assert isinstance(encoder, peachpy.encoder.Encoder)
assert encoder.bitness in [32, 64]
assert self.name in name_index_map
from peachpy.formats.elf.section import SectionIndex
assert self.section is None or isinstance(
self.section, SectionIndex) or self.section in section_index_map
name_index = name_index_map[self.name]
section_index = SectionIndex.absolute
if self.section is not None:
if isinstance(self.section, SectionIndex):
section_index = self.section
else:
section_index = section_index_map[self.section]
if encoder.bitness == 32:
return encoder.uint32(name_index) + \
encoder.uint32(self.value) + \
encoder.uint32(self.size) + \
encoder.uint8((self.binding << 4) | (self.type & 0xF)) + \
encoder.uint8(0) + \
encoder.uint16(section_index)
else:
return encoder.uint32(name_index) + \
encoder.uint8((self.binding << 4) | (self.type & 0xF)) + \
encoder.uint8(0) + \
encoder.uint16(section_index) + \
encoder.uint64(self.value) + \
encoder.uint64(self.size)
def encode(self, encoder, name_index_map, section_index_map):
import peachpy.encoder
assert isinstance(encoder, peachpy.encoder.Encoder)
assert encoder.bitness in [32, 64]
assert self.name in name_index_map
from peachpy.formats.elf.section import SectionIndex
assert self.section is None or isinstance(self.section, SectionIndex) or self.section in section_index_map
name_index = name_index_map[self.name]
section_index = SectionIndex.absolute
if self.section is not None:
if isinstance(self.section, SectionIndex):
section_index = self.section
else:
section_index = section_index_map[self.section]
if encoder.bitness == 32:
return encoder.uint32(name_index) + \
encoder.uint32(self.value) + \
encoder.uint32(self.size) + \
encoder.uint8((self.binding << 4) | (self.type & 0xF)) + \
encoder.uint8(0) + \
encoder.uint16(section_index)
else:
return encoder.uint32(name_index) + \
encoder.uint8((self.binding << 4) | (self.type & 0xF)) + \
encoder.uint8(0) + \
encoder.uint16(section_index) + \
encoder.uint64(self.value) + \
encoder.uint64(self.size)
def as_bytearray(self):
import peachpy.encoder
encoder = peachpy.encoder.Encoder(self.abi.endianness)
if self.abi.pointer_size == 4:
return encoder.uint32(self.string_index) + \
encoder.uint8(self.type | self.visibility) + \
encoder.uint8(self.section_index) + \
encoder.uint16(self.description | self.flags) + \
encoder.uint32(self.value)
else:
return encoder.uint32(self.string_index) + \
encoder.uint8(self.type | self.visibility) + \
encoder.uint8(self.section_index) + \
encoder.uint16(self.description | self.flags) + \
encoder.uint64(self.value)
def as_bytearray(self):
import peachpy.encoder
encoder = peachpy.encoder.Encoder(self.abi.endianness)
if self.abi.elf_class == ElfClass.Class32:
return encoder.uint32(self.name_index) + \
encoder.uint32(self.value) + \
encoder.uint32(self.content_size) + \
encoder.uint8((self.binding << 4) | (self.type & 0xF)) + \
encoder.uint8(0) + \
encoder.uint16(self.section_index)
else:
return encoder.uint32(self.name_index) + \
encoder.uint8((self.binding << 4) | (self.type & 0xF)) + \
encoder.uint8(0) + \
encoder.uint16(self.section_index) + \
encoder.uint64(self.value) + \
encoder.uint64(self.content_size)
def encode_entry(self, encoder, symbol_index_map, section_address=0):
import peachpy.encoder
assert isinstance(encoder, peachpy.encoder.Encoder)
assert self.symbol in symbol_index_map
symbol_index = symbol_index_map[self.symbol]
return encoder.uint32(section_address + self.offset) + \
encoder.uint32(symbol_index) + \
encoder.uint16(self.type)
def encode_entry(self, encoder, symbol_index_map, section_address=0):
import peachpy.encoder
assert isinstance(encoder, peachpy.encoder.Encoder)
assert self.symbol in symbol_index_map
symbol_index = symbol_index_map[self.symbol]
return encoder.uint32(section_address + self.offset) + \
encoder.uint32(symbol_index) + \
encoder.uint16(self.type)
def encode(self, encoder, name_index_map, section_index_map, section_address_map):
import peachpy.encoder
assert isinstance(encoder, peachpy.encoder.Encoder)
assert self.name in name_index_map
assert self.section is None or self.section in section_index_map
name_index = name_index_map[self.name]
section_index = 0
if self.section is not None:
section_index = section_index_map[self.section]
if encoder.bitness == 32:
return encoder.uint32(name_index) + \
encoder.uint8(self.type | self.visibility) + \
encoder.uint8(section_index) + \
encoder.uint16(self.description | self.flags) + \
encoder.uint32(self.value)
else:
return encoder.uint32(name_index) + \
encoder.uint8(self.type | self.visibility) + \
encoder.uint8(section_index) + \
encoder.uint16(self.description | self.flags) + \
encoder.uint64(self.value + section_address_map[self.section])
def as_bytearray(self):
import peachpy.encoder
encoder = peachpy.encoder.Encoder(self.abi.endianness, self.abi.elf_bitness)
return self.identification.as_bytearray + \
encoder.uint16(self.file_type) + \
encoder.uint16(self.abi.elf_machine_type) + \
encoder.uint32(self.file_version) + \
encoder.unsigned_offset(self.entry_address or 0) + \
encoder.unsigned_offset(self.program_header_table_offset or 0) + \
encoder.unsigned_offset(self.section_header_table_offset or 0) + \
encoder.uint32(self.flags) + \
encoder.uint16(self.file_header_size) + \
encoder.uint16(self.program_header_entry_size) + \
encoder.uint16(self.program_header_entries_count) + \
encoder.uint16(self.section_header_entry_size) + \
encoder.uint16(self.section_header_entries_count) + \
encoder.uint16(self.section_name_string_table_index)
def as_bytearray(self):
import peachpy.encoder
encoder = peachpy.encoder.Encoder(self.abi.endianness, self.abi.elf_bitness)
return self.identification.as_bytearray + \
encoder.uint16(self.file_type) + \
encoder.uint16(self.abi.elf_machine_type) + \
encoder.uint32(self.file_version) + \
encoder.unsigned_offset(self.entry_address or 0) + \
encoder.unsigned_offset(self.program_header_table_offset or 0) + \
encoder.unsigned_offset(self.section_header_table_offset or 0) + \
encoder.uint32(self.flags) + \
encoder.uint16(self.file_header_size) + \
encoder.uint16(self.program_header_entry_size) + \
encoder.uint16(self.program_header_entries_count) + \
encoder.uint16(self.section_header_entry_size) + \
encoder.uint16(self.section_header_entries_count) + \
encoder.uint16(self.section_name_string_table_index)
