SgAsmCoffSymbolTable*
SgAsmCoffSymbolTable::parse()
{
/* Set the section size according to the number of entries indicated in the header. */
SgAsmPEFileHeader *fhdr = dynamic_cast<SgAsmPEFileHeader*>(get_header());
ROSE_ASSERT(fhdr!=NULL);
set_offset(fhdr->get_e_coff_symtab());
set_size(fhdr->get_e_coff_nsyms()*SgAsmCoffSymbol::COFFSymbol_disk_size);
SgAsmGenericSection::parse();
/* The string table immediately follows the symbols. The first four bytes of the string table are the size of the
* string table in little endian. */
rose_addr_t strtab_offset = get_offset() + fhdr->get_e_coff_nsyms() * SgAsmCoffSymbol::COFFSymbol_disk_size;
p_strtab = new SgAsmGenericSection(fhdr->get_file(), fhdr);
p_strtab->set_offset(strtab_offset);
p_strtab->set_size(sizeof(uint32_t));
p_strtab->set_synthesized(true);
p_strtab->set_name(new SgAsmBasicString("COFF Symbol Strtab"));
p_strtab->set_purpose(SP_HEADER);
p_strtab->parse();
uint32_t word;
p_strtab->read_content(0, &word, sizeof word);
rose_addr_t strtab_size = ByteOrder::le_to_host(word);
if (strtab_size < sizeof(uint32_t))
throw FormatError("COFF symbol table string table size is less than four bytes");
p_strtab->extend(strtab_size - sizeof(uint32_t));
/* Parse symbols until we've parsed the required number or we run off the end of the section. */
for (size_t i = 0; i < fhdr->get_e_coff_nsyms(); i++) {
try {
SgAsmCoffSymbol *symbol = new SgAsmCoffSymbol(fhdr, this, p_strtab, i);
i += symbol->get_st_num_aux_entries();
p_symbols->get_symbols().push_back(symbol);
} catch (const ShortRead &e) {
fprintf(stderr, "SgAsmCoffSymbolTable::parse: warning: read past end of section \"%s\" [%d]\n"
" symbol #%zu at file offset 0x%08"PRIx64"\n"
" skipping %zu symbols (including this one)\n",
get_name()->get_string(true).c_str(), get_id(),
i, e.offset,
fhdr->get_e_coff_nsyms()-i);
break;
}
}
return this;
}
