Implement write barrier on ARM.

runtime/vm/unit_test.h

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_UNIT_TEST_H_
 #define VM_UNIT_TEST_H_
 
 #include "include/dart_api.h"
 
 #include "vm/ast.h"
@@ skipping 127 matching lines @@
     reinterpret_cast<name>(entry)(long_arg0, long_arg1)
 #define EXECUTE_TEST_CODE_FLOAT(name, entry) reinterpret_cast<name>(entry)()
 #define EXECUTE_TEST_CODE_DOUBLE(name, entry) reinterpret_cast<name>(entry)()
 #define EXECUTE_TEST_CODE_INT32_F(name, entry, float_arg)                      \
     reinterpret_cast<name>(entry)(float_arg)
 #define EXECUTE_TEST_CODE_INT32_D(name, entry, double_arg)                     \
     reinterpret_cast<name>(entry)(double_arg)
 #else
 // Not running on ARM or MIPS hardware, call simulator to execute code.
 #define EXECUTE_TEST_CODE_INT32(name, entry)                                   \
-  static_cast<int32_t>(Simulator::Current()->Call((int32_t)entry,              \
-      0, 0, 0, 0))
+  static_cast<int32_t>(Simulator::Current()->Call(                             \
+      bit_cast<int32_t, uword>(entry), 0, 0, 0, 0))
 #define EXECUTE_TEST_CODE_INT64_LL(name, entry, long_arg0, long_arg1)          \
-  static_cast<int64_t>(Simulator::Current()->Call((int32_t)entry,              \
+  static_cast<int64_t>(Simulator::Current()->Call(                             \
+      bit_cast<int32_t, uword>(entry),                                         \
       Utils::Low32Bits(long_arg0),                                             \
       Utils::High32Bits(long_arg0),                                            \
       Utils::Low32Bits(long_arg1),                                             \
       Utils::High32Bits(long_arg1)))
 #define EXECUTE_TEST_CODE_FLOAT(name, entry)                                   \
-  bit_cast<float, int32_t>(Simulator::Current()->Call((int32_t)entry,          \
-      0, 0, 0, 0))
+  bit_cast<float, int32_t>(Simulator::Current()->Call(                         \
+      bit_cast<int32_t, uword>(entry), 0, 0, 0, 0))
 #define EXECUTE_TEST_CODE_DOUBLE(name, entry)                                  \
-  bit_cast<double, int64_t>(Simulator::Current()->Call((int32_t)entry,         \
-      0, 0, 0, 0))
+  bit_cast<double, int64_t>(Simulator::Current()->Call(                        \
+      bit_cast<int32_t, uword>(entry), 0, 0, 0, 0))
 #define EXECUTE_TEST_CODE_INT32_F(name, entry, float_arg)                      \
-  static_cast<int32_t>(Simulator::Current()->Call((int32_t)entry,              \
+  static_cast<int32_t>(Simulator::Current()->Call(                             \
+      bit_cast<int32_t, uword>(entry),                                         \
       bit_cast<int32_t, float>(float_arg),                                     \
       0, 0, 0))
 #define EXECUTE_TEST_CODE_INT32_D(name, entry, double_arg)                     \
-  static_cast<int32_t>(Simulator::Current()->Call((int32_t)entry,              \
+  static_cast<int32_t>(Simulator::Current()->Call(                             \
+      bit_cast<int32_t, uword>(entry),                                         \
       Utils::Low32Bits(bit_cast<int64_t, double>(double_arg)),                 \
       Utils::High32Bits(bit_cast<int64_t, double>(double_arg)),                \
       0, 0))
 #endif  // defined(HOST_ARCH_ARM) || defined(HOST_ARCH_MIPS)
 #endif  // defined(TARGET_ARCH_ARM) || defined(TARGET_ARCH_MIPS)
 
 
 inline Dart_Handle NewString(const char* str) {
   return Dart_NewStringFromCString(str);
 }
@@ skipping 194 matching lines @@
       }                                                                        \
     } else {                                                                   \
       dart::Expect(__FILE__, __LINE__).Fail("expected True, but was '%s'\n",   \
           #handle);                                                            \
     }                                                                          \
   } while (0)
 
 }  // namespace dart
 
 #endif  // VM_UNIT_TEST_H_