/** Write the section table section back to disk */
void
SgAsmElfSectionTable::unparse(std::ostream &f) const
{
SgAsmElfFileHeader *fhdr = dynamic_cast<SgAsmElfFileHeader*>(get_header());
ROSE_ASSERT(fhdr!=NULL);
ByteOrder::Endianness sex = fhdr->get_sex();
SgAsmGenericSectionPtrList sections = fhdr->get_sectab_sections();
/* Write the sections first */
for (size_t i=0; i<sections.size(); i++)
sections[i]->unparse(f);
unparse_holes(f);
/* Calculate sizes. The ELF File Header should have been updated in reallocate() prior to unparsing. */
size_t ent_size, struct_size, opt_size, nentries;
calculate_sizes(&ent_size, &struct_size, &opt_size, &nentries);
ROSE_ASSERT(fhdr->get_shextrasz()==opt_size);
ROSE_ASSERT(fhdr->get_e_shnum()==nentries);
/* Write the section table entries */
for (size_t i=0; i<sections.size(); ++i) {
SgAsmElfSection *section = dynamic_cast<SgAsmElfSection*>(sections[i]);
ROSE_ASSERT(section!=NULL);
SgAsmElfSectionTableEntry *shdr = section->get_section_entry();
ROSE_ASSERT(shdr!=NULL);
ROSE_ASSERT(shdr->get_sh_offset()==section->get_offset());/*section table entry should have been updated in reallocate()*/
int id = section->get_id();
ROSE_ASSERT(id>=0 && (size_t)id<nentries);
SgAsmElfSectionTableEntry::Elf32SectionTableEntry_disk disk32;
SgAsmElfSectionTableEntry::Elf64SectionTableEntry_disk disk64;
void *disk = NULL;
if (4==fhdr->get_word_size()) {
disk = shdr->encode(sex, &disk32);
} else if (8==fhdr->get_word_size()) {
disk = shdr->encode(sex, &disk64);
} else {
ROSE_ASSERT(!"invalid word size");
}
/* The disk struct */
rose_addr_t spos = write(f, id*ent_size, struct_size, disk);
if (shdr->get_extra().size() > 0) {
ROSE_ASSERT(shdr->get_extra().size()<=opt_size);
write(f, spos, shdr->get_extra());
}
}
}
