def encode(self, encoder, symbol_index_map):
import peachpy.encoder
assert isinstance(encoder, peachpy.encoder.Encoder)
assert encoder.bitness in [32, 64]
assert self.symbol in symbol_index_map
symbol_index = symbol_index_map[self.symbol]
info = (symbol_index << 32) | self.type
return encoder.unsigned_offset(self.offset) + \
encoder.unsigned_offset(info) + \
encoder.signed_offset(self.addend)
def encode(self, encoder, symbol_index_map):
import peachpy.encoder
assert isinstance(encoder, peachpy.encoder.Encoder)
assert encoder.bitness in [32, 64]
assert self.symbol in symbol_index_map
symbol_index = symbol_index_map[self.symbol]
info = (symbol_index << 32) | self.type
return encoder.unsigned_offset(self.offset) + \
encoder.unsigned_offset(info) + \
encoder.signed_offset(self.addend)
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)
def encode_header(self,
encoder,
name_index_map,
section_index_map,
offset,
address=None,
link_section=None,
info=None,
content_size=0,
entry_size=0):
import peachpy.encoder
from peachpy.util import is_uint64, is_uint32
assert isinstance(encoder, peachpy.encoder.Encoder)
assert isinstance(name_index_map, dict)
assert section_index_map is None or isinstance(section_index_map, dict)
assert offset is None or is_uint64(offset)
assert address is None or is_uint64(address)
assert link_section is None or isinstance(link_section, Section)
assert info is None or is_uint64(info)
assert is_uint64(content_size)
assert is_uint32(entry_size)
assert encoder.bitness in [32, 64]
if encoder.bitness == 32:
assert offset is None or is_uint32(offset)
assert address is None or is_uint32(address)
assert self.name is None or self.name in name_index_map
assert section_index_map is not None or link_section is None
name_index = name_index_map.get(self.name, 0)
if address is None:
address = 0
if offset is None:
offset = 0
link = 0
if link_section is not None:
link = section_index_map[link_section]
if info is None:
info = 0
return encoder.uint32(name_index) + \
encoder.uint32(self.type) + \
encoder.unsigned_offset(self.flags) + \
encoder.unsigned_offset(address) + \
encoder.unsigned_offset(offset) + \
encoder.unsigned_offset(content_size) + \
encoder.uint32(link) + \
encoder.uint32(info) + \
encoder.unsigned_offset(self.alignment) + \
encoder.unsigned_offset(entry_size)
def encode_header(self, encoder, name_index_map, section_index_map, offset,
address=None, link_section=None, info=None,
content_size=0, entry_size=0):
import peachpy.encoder
from peachpy.util import is_uint64, is_uint32
assert isinstance(encoder, peachpy.encoder.Encoder)
assert isinstance(name_index_map, dict)
assert section_index_map is None or isinstance(section_index_map, dict)
assert offset is None or is_uint64(offset)
assert address is None or is_uint64(address)
assert link_section is None or isinstance(link_section, Section)
assert info is None or is_uint64(info)
assert is_uint64(content_size)
assert is_uint32(entry_size)
assert encoder.bitness in [32, 64]
if encoder.bitness == 32:
assert offset is None or is_uint32(offset)
assert address is None or is_uint32(address)
assert self.name is None or self.name in name_index_map
assert section_index_map is not None or link_section is None
name_index = name_index_map.get(self.name, 0)
if address is None:
address = 0
if offset is None:
offset = 0
link = 0
if link_section is not None:
link = section_index_map[link_section]
if info is None:
info = 0
return encoder.uint32(name_index) + \
encoder.uint32(self.type) + \
encoder.unsigned_offset(self.flags) + \
encoder.unsigned_offset(address) + \
encoder.unsigned_offset(offset) + \
encoder.unsigned_offset(content_size) + \
encoder.uint32(link) + \
encoder.uint32(info) + \
encoder.unsigned_offset(self.alignment) + \
encoder.unsigned_offset(entry_size)