Refactor rel32 searching process for x64 to make it more similar to x86.

courgette/encode_decode_unittest.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stddef.h>
 
 #include <memory>
 
 #include "courgette/assembly_program.h"
 #include "courgette/base_test_unittest.h"
@@ skipping 65 matching lines @@
   EXPECT_EQ(0, memcmp(original_buffer, assembled_buffer, original_length));
 }
 
 TEST_F(EncodeDecodeTest, PE) {
   std::string file = FileContents("setup1.exe");
   TestAssembleToStreamDisassemble(file, 972845);
 }
 
 TEST_F(EncodeDecodeTest, PE64) {
   std::string file = FileContents("chrome64_1.exe");
-  TestAssembleToStreamDisassemble(file, 809635);
+  TestAssembleToStreamDisassemble(file, 809776);

[huangs, 2016/05/26 18:34:34]

So algorithm changed?  Please separate pure refactoring from functional changes
in separate CLs.

[etiennep, 2016/05/26 20:50:09]

Done.

 }
 
 TEST_F(EncodeDecodeTest, Elf_Small) {
   std::string file = FileContents("elf-32-1");
   TestAssembleToStreamDisassemble(file, 136201);
 }
 
 TEST_F(EncodeDecodeTest, Elf_HighBSS) {
   std::string file = FileContents("elf-32-high-bss");
   TestAssembleToStreamDisassemble(file, 7308);
 }
 
 TEST_F(EncodeDecodeTest, Elf_Arm) {
   std::string file = FileContents("elf-armv7");
   TestAssembleToStreamDisassemble(file, 8531);
 }