diff options
author | Rafael Espindola <rafael.espindola@gmail.com> | 2011-12-24 02:14:02 +0000 |
---|---|---|
committer | Rafael Espindola <rafael.espindola@gmail.com> | 2011-12-24 02:14:02 +0000 |
commit | df09270ae897e7fa64a7c162de163c32ee181a03 (patch) | |
tree | 43445458f585ee26c10d792c32ce04a3e5a91ae4 /lib/Target | |
parent | 84070ffbe6905f31cf369ad3f6742dfa5188332c (diff) | |
download | external_llvm-df09270ae897e7fa64a7c162de163c32ee181a03.zip external_llvm-df09270ae897e7fa64a7c162de163c32ee181a03.tar.gz external_llvm-df09270ae897e7fa64a7c162de163c32ee181a03.tar.bz2 |
Move x86 specific bits of the COFF writer to lib/Target/X86.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147231 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target')
-rw-r--r-- | lib/Target/X86/MCTargetDesc/CMakeLists.txt | 1 | ||||
-rw-r--r-- | lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp | 2 | ||||
-rw-r--r-- | lib/Target/X86/MCTargetDesc/X86MCTargetDesc.h | 2 | ||||
-rw-r--r-- | lib/Target/X86/MCTargetDesc/X86WinCOFFObjectWriter.cpp | 70 |
4 files changed, 74 insertions, 1 deletions
diff --git a/lib/Target/X86/MCTargetDesc/CMakeLists.txt b/lib/Target/X86/MCTargetDesc/CMakeLists.txt index e76ed07..1c240e5 100644 --- a/lib/Target/X86/MCTargetDesc/CMakeLists.txt +++ b/lib/Target/X86/MCTargetDesc/CMakeLists.txt @@ -5,6 +5,7 @@ add_llvm_library(LLVMX86Desc X86MCCodeEmitter.cpp X86MachObjectWriter.cpp X86ELFObjectWriter.cpp + X86WinCOFFObjectWriter.cpp ) add_dependencies(LLVMX86Desc X86CommonTableGen) diff --git a/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp b/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp index 775560f..5278fa0 100644 --- a/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp +++ b/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp @@ -367,7 +367,7 @@ public: } MCObjectWriter *createObjectWriter(raw_ostream &OS) const { - return createWinCOFFObjectWriter(OS, Is64Bit); + return createX86WinCOFFObjectWriter(OS, Is64Bit); } }; diff --git a/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.h b/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.h index dfb5361..9896cbe 100644 --- a/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.h +++ b/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.h @@ -92,6 +92,8 @@ MCObjectWriter *createX86MachObjectWriter(raw_ostream &OS, MCObjectWriter *createX86ELFObjectWriter(raw_ostream &OS, bool Is64Bit, uint8_t OSABI); +/// createX86WinCOFFObjectWriter - Construct an X86 Win COFF object writer. +MCObjectWriter *createX86WinCOFFObjectWriter(raw_ostream &OS, bool Is64Bit); } // End llvm namespace diff --git a/lib/Target/X86/MCTargetDesc/X86WinCOFFObjectWriter.cpp b/lib/Target/X86/MCTargetDesc/X86WinCOFFObjectWriter.cpp new file mode 100644 index 0000000..9cdfa52 --- /dev/null +++ b/lib/Target/X86/MCTargetDesc/X86WinCOFFObjectWriter.cpp @@ -0,0 +1,70 @@ +//===-- 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; + break; + case FK_Data_4: + case X86::reloc_signed_4byte: + return Is64Bit ? COFF::IMAGE_REL_AMD64_ADDR32 : COFF::IMAGE_REL_I386_DIR32; + break; + case FK_Data_8: + if (Is64Bit) + return COFF::IMAGE_REL_AMD64_ADDR64; + else + llvm_unreachable("unsupported relocation type"); + break; + case X86::reloc_coff_secrel32: + return Is64Bit ? COFF::IMAGE_REL_AMD64_SREL32 : COFF::IMAGE_REL_I386_SECREL; + break; + default: + llvm_unreachable("unsupported relocation type"); + } +} + +MCObjectWriter *llvm::createX86WinCOFFObjectWriter(raw_ostream &OS, + bool Is64Bit) { + MCWinCOFFObjectTargetWriter *MOTW = new X86WinCOFFObjectWriter(Is64Bit); + return createWinCOFFObjectWriter(MOTW, OS); +} |