Fix tests for 64b

These tests make assumptions about pointer sizes.

Change-Id: Idfd410144393d716ae176a6e9a51c5b414e0888e
diff --git a/runtime/base/hex_dump_test.cc b/runtime/base/hex_dump_test.cc
index d950961..3d782b2 100644
--- a/runtime/base/hex_dump_test.cc
+++ b/runtime/base/hex_dump_test.cc
@@ -24,11 +24,18 @@
 
 namespace art {
 
+#if defined(__LP64__)
+#define ZEROPREFIX "00000000"
+#else
+#define ZEROPREFIX
+#endif
+
 TEST(HexDump, OneLine) {
   const char* test_text = "0123456789abcdef";
   std::ostringstream oss;
   oss << HexDump(test_text, strlen(test_text), false, "");
   EXPECT_STREQ(oss.str().c_str(),
+               ZEROPREFIX
                "00000000: 30 31 32 33 34 35 36 37 38 39 61 62 63 64 65 66  0123456789abcdef");
 }
 
@@ -37,7 +44,9 @@
   std::ostringstream oss;
   oss << HexDump(test_text, strlen(test_text), false, "");
   EXPECT_STREQ(oss.str().c_str(),
+               ZEROPREFIX
                "00000000: 30 31 32 33 34 35 36 37 38 39 61 62 63 64 65 66  0123456789abcdef\n"
+               ZEROPREFIX
                "00000010: 30 31 32 33 34 35 36 37 38 39 41 42 43 44 45 46  0123456789ABCDEF");
 }
 
@@ -56,7 +65,7 @@
   std::ostringstream oss;
   oss << HexDump(test_text, strlen(test_text), false, "test prefix: ");
   EXPECT_STREQ(oss.str().c_str(),
-               "test prefix: 00000000: 30 31 32 33 34 35 36 37 38 39 61 62 63 64 65 66  "
+               "test prefix: " ZEROPREFIX "00000000: 30 31 32 33 34 35 36 37 38 39 61 62 63 64 65 66  "
                "0123456789abcdef");
 }
 
diff --git a/runtime/exception_test.cc b/runtime/exception_test.cc
index 5e3f504..4a75152 100644
--- a/runtime/exception_test.cc
+++ b/runtime/exception_test.cc
@@ -76,7 +76,7 @@
 
     method_f_ = my_klass_->FindVirtualMethod("f", "()I");
     ASSERT_TRUE(method_f_ != NULL);
-    method_f_->SetFrameSizeInBytes(kStackAlignment);
+    method_f_->SetFrameSizeInBytes(4 * kPointerSize);
     method_f_->SetEntryPointFromQuickCompiledCode(&fake_code_[sizeof(code_size)]);
     method_f_->SetMappingTable(&fake_mapping_data_.GetData()[0]);
     method_f_->SetVmapTable(&fake_vmap_table_data_.GetData()[0]);
@@ -84,7 +84,7 @@
 
     method_g_ = my_klass_->FindVirtualMethod("g", "(I)V");
     ASSERT_TRUE(method_g_ != NULL);
-    method_g_->SetFrameSizeInBytes(kStackAlignment);
+    method_g_->SetFrameSizeInBytes(4 * kPointerSize);
     method_g_->SetEntryPointFromQuickCompiledCode(&fake_code_[sizeof(code_size)]);
     method_g_->SetMappingTable(&fake_mapping_data_.GetData()[0]);
     method_g_->SetVmapTable(&fake_vmap_table_data_.GetData()[0]);
@@ -151,7 +151,7 @@
 
   std::vector<uintptr_t> fake_stack;
   ASSERT_EQ(kStackAlignment, 16U);
-  ASSERT_EQ(sizeof(uintptr_t), sizeof(uint32_t));
+  // ASSERT_EQ(sizeof(uintptr_t), sizeof(uint32_t));
 
   if (!kUsePortableCompiler) {
     // Create two fake stack frames with mapping data created in SetUp. We map offset 3 in the code