Initial commit of LLVM 3.4

lib/Support/StringRefMemoryObject.cpp

@@ -0,0 +1,29 @@
+//===- lib/Support/StringRefMemoryObject.cpp --------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Support/StringRefMemoryObject.h"
+
+using namespace llvm;
+
+int StringRefMemoryObject::readByte(uint64_t Addr, uint8_t *Byte) const {
+  if (Addr >= Base + getExtent() || Addr < Base)
+    return -1;
+  *Byte = Bytes[Addr - Base];
+  return 0;
+}
+
+int StringRefMemoryObject::readBytes(uint64_t Addr,
+                                     uint64_t Size,
+                                     uint8_t *Buf) const {
+  uint64_t Offset = Addr - Base;
+  if (Addr >= Base + getExtent() || Offset + Size > getExtent() || Addr < Base)
+    return -1;
+  memcpy(Buf, Bytes.data() + Offset, Size);
+  return 0;
+}