int ElfWriter::writeStringSection() {
int section = -1;
if ((section = newSection(
".shstrtab", m_strtab.size(), SHT_STRTAB, SHF_STRINGS)) < 0) {
logError("unable to create string section");
return -1;
}
if (!addSectionData(section, &m_strtab[0], m_strtab.size())) {
logError("unable to add string data");
return -1;
}
return section;
}
int ElfWriter::writeTextSection() {
int section = -1;
CodeBlock& a = tx64->code.main();
if ((section = newSection(
".text.tracelets", a.capacity(), SHT_NOBITS, SHF_ALLOC | SHF_EXECINSTR,
reinterpret_cast<uint64_t>(a.base()))) < 0) {
logError("unable to create text section");
return -1;
}
if (!addSectionData(section, nullptr, a.capacity())) {
logError("unable to add text data");
return -1;
}
return section;
}
int ElfWriter::writeTextSection() {
int section = -1;
HPHP::x64::X64Assembler &a(TranslatorX64::Get()->getAsm());
if ((section = newSection(
".text.tracelets", a.code.size, SHT_NOBITS, SHF_ALLOC | SHF_EXECINSTR,
reinterpret_cast<uint64_t>(a.code.base))) < 0) {
logError("unable to create text section");
return -1;
}
if (!addSectionData(section, NULL, a.code.size)) {
logError("unable to add text data");
return -1;
}
return section;
}
int ElfWriter::writeTextSection() {
int section = -1;
auto& code = mcg->code;
if ((section = newSection(
".text.tracelets", code.codeSize(),
SHT_NOBITS, SHF_ALLOC | SHF_EXECINSTR,
reinterpret_cast<uint64_t>(code.base()))) < 0) {
logError("unable to create text section");
return -1;
}
if (!addSectionData(section, nullptr, code.codeSize())) {
logError("unable to add text data");
return -1;
}
return section;
}
bool ElfWriter::writeDwarfInfo() {
Dwarf_Signed sections = dwarf_transform_to_disk_form (m_dwarfProducer, 0);
Dwarf_Signed i = 0;
Dwarf_Signed elf_section_index = 0;
Dwarf_Unsigned length = 0;
for (i = 0; i < sections; i++) {
Dwarf_Ptr bytes = dwarf_get_section_bytes(
m_dwarfProducer, 0, &elf_section_index, &length, 0);
if (!addSectionData(elf_section_index, bytes, length)) {
logError("Unable to create section");
return false;
}
}
return true;
}