Differential D13140 Diff 35647 ELF/Writer.cpp

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ELF/Writer.cpp

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	EHdr->e_ident[EI_MAG1] = 0x45;			EHdr->e_ident[EI_MAG1] = 0x45;
	EHdr->e_ident[EI_MAG2] = 0x4C;			EHdr->e_ident[EI_MAG2] = 0x4C;
	EHdr->e_ident[EI_MAG3] = 0x46;			EHdr->e_ident[EI_MAG3] = 0x46;
	EHdr->e_ident[EI_CLASS] = ELFT::Is64Bits ? ELFCLASS64 : ELFCLASS32;			EHdr->e_ident[EI_CLASS] = ELFT::Is64Bits ? ELFCLASS64 : ELFCLASS32;
	EHdr->e_ident[EI_DATA] = ELFT::TargetEndianness == llvm::support::little			EHdr->e_ident[EI_DATA] = ELFT::TargetEndianness == llvm::support::little
	? ELFDATA2LSB			? ELFDATA2LSB
	: ELFDATA2MSB;			: ELFDATA2MSB;
	EHdr->e_ident[EI_VERSION] = EV_CURRENT;			EHdr->e_ident[EI_VERSION] = EV_CURRENT;
	EHdr->e_ident[EI_OSABI] = ELFOSABI_NONE;
				const SymbolTable &Symtab = SymTabSec.getSymTable();
				auto &FirstObj = cast<ObjectFile<ELFT>>(*Symtab.getFirstELF());
				uint8_t ABI = FirstObj.getOSABI();
				switch (ABI) {
				default:
				error("Unsupported ABI");
				case ELFOSABI_FREEBSD:
				case ELFOSABI_NONE:
				break;
				case ELFOSABI_LINUX:
				ABI = ELFOSABI_NONE;
				}
				EHdr->e_ident[EI_OSABI] = ABI;

	// FIXME: Generalize the segment construction similar to how we create			// FIXME: Generalize the segment construction similar to how we create
	// output sections.			// output sections.
	const SymbolTable &Symtab = SymTabSec.getSymTable();

	EHdr->e_type = Config->Shared ? ET_DYN : ET_EXEC;			EHdr->e_type = Config->Shared ? ET_DYN : ET_EXEC;
	auto &FirstObj = cast<ObjectFile<ELFT>>(*Symtab.getFirstELF());
	EHdr->e_machine = FirstObj.getEMachine();			EHdr->e_machine = FirstObj.getEMachine();
	EHdr->e_version = EV_CURRENT;			EHdr->e_version = EV_CURRENT;
	SymbolBody *Entry = Symtab.getEntrySym();			SymbolBody *Entry = Symtab.getEntrySym();
	EHdr->e_entry = Entry ? getSymVA(cast<DefinedRegular<ELFT>>(Entry)) : 0;			EHdr->e_entry = Entry ? getSymVA(cast<DefinedRegular<ELFT>>(Entry)) : 0;
	EHdr->e_phoff = ProgramHeaderOff;			EHdr->e_phoff = ProgramHeaderOff;
	EHdr->e_shoff = SectionHeaderOff;			EHdr->e_shoff = SectionHeaderOff;
	EHdr->e_ehsize = sizeof(Elf_Ehdr);			EHdr->e_ehsize = sizeof(Elf_Ehdr);
	EHdr->e_phentsize = sizeof(Elf_Phdr);			EHdr->e_phentsize = sizeof(Elf_Phdr);
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