Subzero. x8664. Resurrects the Target.

unittest/AssemblerX8664/TestUtil.h

 
 //===- subzero/unittest/unittest/AssemblerX8664/TestUtil.h ------*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
@@ skipping 683 matching lines @@
 
     AssembledTest(const uint8_t *Data, const size_t MySize,
                   const size_t ExtraStorageDwords)
         : Size(MaximumCodeSize + 4 * ExtraStorageDwords) {
       // MaxCodeSize is needed because EXPECT_LT needs a symbol with a name --
       // probably a compiler bug?
       uint32_t MaxCodeSize = MaximumCodeSize;
       EXPECT_LT(MySize, MaxCodeSize);
       assert(MySize < MaximumCodeSize);
       ExecutableData = mmap(nullptr, Size, PROT_WRITE | PROT_READ | PROT_EXEC,
-                            MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+                            MAP_PRIVATE | MAP_ANONYMOUS | MAP_32BIT, -1, 0);
       EXPECT_NE(MAP_FAILED, ExecutableData) << strerror(errno);
       assert(MAP_FAILED != ExecutableData);
       std::memcpy(ExecutableData, Data, MySize);
     }
 
     // We allow AssembledTest to be moved so that we can return objects of
     // this type.
     AssembledTest(AssembledTest &&Buffer)
         : ExecutableData(Buffer.ExecutableData), Size(Buffer.Size) {
       Buffer.ExecutableData = nullptr;
@@ skipping 379 matching lines @@
 
   bool NeedsEpilogue;
   uint32_t NumAllocatedDwords;
 };
 
 } // end of namespace Test
 } // end of namespace X8664
 } // end of namespace Ice
 
 #endif // ASSEMBLERX8664_TESTUTIL_H_