bool
ELFSectionHeader::Parse(const lldb_private::DataExtractor &data,
lldb::offset_t *offset)
{
const unsigned byte_size = data.GetAddressByteSize();
// Read sh_name and sh_type.
if (data.GetU32(offset, &sh_name, 2) == NULL)
return false;
// Read sh_flags.
if (GetMaxU64(data, offset, &sh_flags, byte_size) == false)
return false;
// Read sh_addr, sh_off and sh_size.
if (GetMaxU64(data, offset, &sh_addr, byte_size, 3) == false)
return false;
// Read sh_link and sh_info.
if (data.GetU32(offset, &sh_link, 2) == NULL)
return false;
// Read sh_addralign and sh_entsize.
if (GetMaxU64(data, offset, &sh_addralign, byte_size, 2) == false)
return false;
return true;
}
bool
ELFRel::Parse(const lldb_private::DataExtractor &data, lldb::offset_t *offset)
{
const unsigned byte_size = data.GetAddressByteSize();
// Read r_offset and r_info.
if (GetMaxU64(data, offset, &r_offset, byte_size, 2) == false)
return false;
return true;
}
bool
ELFSymbol::Parse(const lldb_private::DataExtractor &data, lldb::offset_t *offset)
{
const unsigned byte_size = data.GetAddressByteSize();
const bool parsing_32 = byte_size == 4;
// Read st_name.
if (data.GetU32(offset, &st_name, 1) == NULL)
return false;
if (parsing_32)
{
// Read st_value and st_size.
if (GetMaxU64(data, offset, &st_value, byte_size, 2) == false)
return false;
// Read st_info and st_other.
if (data.GetU8(offset, &st_info, 2) == NULL)
return false;
// Read st_shndx.
if (data.GetU16(offset, &st_shndx, 1) == NULL)
return false;
}
else
{
// Read st_info and st_other.
if (data.GetU8(offset, &st_info, 2) == NULL)
return false;
// Read st_shndx.
if (data.GetU16(offset, &st_shndx, 1) == NULL)
return false;
// Read st_value and st_size.
if (data.GetU64(offset, &st_value, 2) == NULL)
return false;
}
return true;
}
bool
ELFProgramHeader::Parse(const lldb_private::DataExtractor &data,
lldb::offset_t *offset)
{
const uint32_t byte_size = data.GetAddressByteSize();
const bool parsing_32 = byte_size == 4;
// Read p_type;
if (data.GetU32(offset, &p_type, 1) == NULL)
return false;
if (parsing_32) {
// Read p_offset, p_vaddr, p_paddr, p_filesz and p_memsz.
if (GetMaxU64(data, offset, &p_offset, byte_size, 5) == false)
return false;
// Read p_flags.
if (data.GetU32(offset, &p_flags, 1) == NULL)
return false;
// Read p_align.
if (GetMaxU64(data, offset, &p_align, byte_size) == false)
return false;
}
else {
// Read p_flags.
if (data.GetU32(offset, &p_flags, 1) == NULL)
return false;
// Read p_offset, p_vaddr, p_paddr, p_filesz, p_memsz and p_align.
if (GetMaxU64(data, offset, &p_offset, byte_size, 6) == false)
return false;
}
return true;
}
bool
ELFDynamic::Parse(const lldb_private::DataExtractor &data, lldb::offset_t *offset)
{
const unsigned byte_size = data.GetAddressByteSize();
return GetMaxS64(data, offset, &d_tag, byte_size, 2);
}