From b5500b9ca0102f1ccaf32f0e77e96d0739aded9b Mon Sep 17 00:00:00 2001
From: pascal <pascal@openbsd.org>
Date: Sat, 3 Sep 2016 22:46:54 +0000
Subject: Use the space freed up by sparc and zaurus to import LLVM.

ok hackroom@
---
 gnu/llvm/lib/Object/ELFObjectFile.cpp | 58 +++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 gnu/llvm/lib/Object/ELFObjectFile.cpp

(limited to 'gnu/llvm/lib/Object/ELFObjectFile.cpp')

diff --git a/gnu/llvm/lib/Object/ELFObjectFile.cpp b/gnu/llvm/lib/Object/ELFObjectFile.cpp
new file mode 100644
index 00000000000..c7df30a5903
--- /dev/null
+++ b/gnu/llvm/lib/Object/ELFObjectFile.cpp
@@ -0,0 +1,58 @@
+//===- ELFObjectFile.cpp - ELF object file implementation -------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Part of the ELFObjectFile class implementation.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Object/ELFObjectFile.h"
+#include "llvm/Support/MathExtras.h"
+
+namespace llvm {
+using namespace object;
+
+ELFObjectFileBase::ELFObjectFileBase(unsigned int Type, MemoryBufferRef Source)
+    : ObjectFile(Type, Source) {}
+
+ErrorOr<std::unique_ptr<ObjectFile>>
+ObjectFile::createELFObjectFile(MemoryBufferRef Obj) {
+  std::pair<unsigned char, unsigned char> Ident =
+      getElfArchType(Obj.getBuffer());
+  std::size_t MaxAlignment =
+      1ULL << countTrailingZeros(uintptr_t(Obj.getBufferStart()));
+
+  if (MaxAlignment < 2)
+    return object_error::parse_failed;
+
+  std::error_code EC;
+  std::unique_ptr<ObjectFile> R;
+  if (Ident.first == ELF::ELFCLASS32) {
+    if (Ident.second == ELF::ELFDATA2LSB)
+      R.reset(new ELFObjectFile<ELFType<support::little, false>>(Obj, EC));
+    else if (Ident.second == ELF::ELFDATA2MSB)
+      R.reset(new ELFObjectFile<ELFType<support::big, false>>(Obj, EC));
+    else
+      return object_error::parse_failed;
+  } else if (Ident.first == ELF::ELFCLASS64) {
+    if (Ident.second == ELF::ELFDATA2LSB)
+      R.reset(new ELFObjectFile<ELFType<support::little, true>>(Obj, EC));
+    else if (Ident.second == ELF::ELFDATA2MSB)
+      R.reset(new ELFObjectFile<ELFType<support::big, true>>(Obj, EC));
+    else
+      return object_error::parse_failed;
+  } else {
+    return object_error::parse_failed;
+  }
+
+  if (EC)
+    return EC;
+  return std::move(R);
+}
+
+} // end namespace llvm
-- 
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