//===-- X86WinCOFFObjectWriter.cpp - X86 Win COFF Writer ------------------===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #include "MCTargetDesc/X86FixupKinds.h" #include "MCTargetDesc/X86MCTargetDesc.h" #include "llvm/MC/MCWinCOFFObjectWriter.h" #include "llvm/Support/COFF.h" #include "llvm/Support/ErrorHandling.h" using namespace llvm; namespace llvm { class MCObjectWriter; } namespace { class X86WinCOFFObjectWriter : public MCWinCOFFObjectTargetWriter { const bool Is64Bit; public: X86WinCOFFObjectWriter(bool Is64Bit_); ~X86WinCOFFObjectWriter(); virtual unsigned getRelocType(unsigned FixupKind) const; }; } X86WinCOFFObjectWriter::X86WinCOFFObjectWriter(bool Is64Bit_) : MCWinCOFFObjectTargetWriter(Is64Bit_ ? COFF::IMAGE_FILE_MACHINE_AMD64 : COFF::IMAGE_FILE_MACHINE_I386), Is64Bit(Is64Bit_) {} X86WinCOFFObjectWriter::~X86WinCOFFObjectWriter() {} unsigned X86WinCOFFObjectWriter::getRelocType(unsigned FixupKind) const { switch (FixupKind) { case FK_PCRel_4: case X86::reloc_riprel_4byte: case X86::reloc_riprel_4byte_movq_load: return Is64Bit ? COFF::IMAGE_REL_AMD64_REL32 : COFF::IMAGE_REL_I386_REL32; case FK_Data_4: case X86::reloc_signed_4byte: return Is64Bit ? COFF::IMAGE_REL_AMD64_ADDR32 : COFF::IMAGE_REL_I386_DIR32; case FK_Data_8: if (Is64Bit) return COFF::IMAGE_REL_AMD64_ADDR64; llvm_unreachable("unsupported relocation type"); case FK_SecRel_4: return Is64Bit ? COFF::IMAGE_REL_AMD64_SREL32 : COFF::IMAGE_REL_I386_SECREL; default: llvm_unreachable("unsupported relocation type"); } } MCObjectWriter *llvm::createX86WinCOFFObjectWriter(raw_ostream &OS, bool Is64Bit) { MCWinCOFFObjectTargetWriter *MOTW = new X86WinCOFFObjectWriter(Is64Bit); return createWinCOFFObjectWriter(MOTW, OS); }