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| author | dim <dim@FreeBSD.org> | 2015-12-30 13:13:10 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2015-12-30 13:13:10 +0000 |
| commit | 9b5bf5c4f53d65d6a48722d7410ed7cb15f5ba3a (patch) | |
| tree | b466a4817f79516eb1df8eae92bccf62ecc84003 /contrib/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyELFObjectWriter.cpp | |
| parent | f09a28d1de99fda4f5517fb12670fc36552f4927 (diff) | |
| parent | e194cd6d03d91631334d9d5e55b506036f423cc8 (diff) | |
| download | FreeBSD-src-9b5bf5c4f53d65d6a48722d7410ed7cb15f5ba3a.zip FreeBSD-src-9b5bf5c4f53d65d6a48722d7410ed7cb15f5ba3a.tar.gz | |
Update llvm to trunk r256633.
Diffstat (limited to 'contrib/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyELFObjectWriter.cpp')
| -rw-r--r-- | contrib/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyELFObjectWriter.cpp | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyELFObjectWriter.cpp b/contrib/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyELFObjectWriter.cpp new file mode 100644 index 0000000..c47a3d9 --- /dev/null +++ b/contrib/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyELFObjectWriter.cpp @@ -0,0 +1,54 @@ +//===-- WebAssemblyELFObjectWriter.cpp - WebAssembly ELF Writer -----------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +/// +/// \file +/// \brief This file handles ELF-specific object emission, converting LLVM's +/// internal fixups into the appropriate relocations. +/// +//===----------------------------------------------------------------------===// + +#include "MCTargetDesc/WebAssemblyMCTargetDesc.h" +#include "llvm/MC/MCELFObjectWriter.h" +#include "llvm/MC/MCFixup.h" +#include "llvm/Support/ErrorHandling.h" +using namespace llvm; + +namespace { +class WebAssemblyELFObjectWriter final : public MCELFObjectTargetWriter { +public: + WebAssemblyELFObjectWriter(bool Is64Bit, uint8_t OSABI); + +protected: + unsigned GetRelocType(const MCValue &Target, const MCFixup &Fixup, + bool IsPCRel) const override; +}; +} // end anonymous namespace + +// FIXME: Use EM_NONE as a temporary hack. Should we decide to pursue ELF +// writing seriously, we should email generic-abi@googlegroups.com and ask +// for our own ELF code. +WebAssemblyELFObjectWriter::WebAssemblyELFObjectWriter(bool Is64Bit, + uint8_t OSABI) + : MCELFObjectTargetWriter(Is64Bit, OSABI, ELF::EM_NONE, + /*HasRelocationAddend=*/true) {} + +unsigned WebAssemblyELFObjectWriter::GetRelocType(const MCValue &Target, + const MCFixup &Fixup, + bool IsPCRel) const { + // FIXME: Do we need our own relocs? + return Fixup.getKind(); +} + +MCObjectWriter *llvm::createWebAssemblyELFObjectWriter(raw_pwrite_stream &OS, + bool Is64Bit, + uint8_t OSABI) { + MCELFObjectTargetWriter *MOTW = + new WebAssemblyELFObjectWriter(Is64Bit, OSABI); + return createELFObjectWriter(MOTW, OS, /*IsLittleEndian=*/true); +} |
