Implement long jump in ARM and MIPS simulators.

runtime/vm/object_test.cc

 // Copyright (c) 2012, 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.
 
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/bigint_operations.h"
 #include "vm/class_finalizer.h"
 #include "vm/isolate.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
+#include "vm/simulator.h"
 #include "vm/symbols.h"
 #include "vm/unit_test.h"
 
 namespace dart {
 
 TEST_CASE(Class) {
   // Allocate the class first.
   const String& class_name = String::Handle(Symbols::New("MyClass"));
   const Script& script = Script::Handle();
   const Class& cls = Class::Handle(
@@ skipping 2207 matching lines @@
   EXPECT(!str3.IsOneByteString());
   str3 = String::New("Steep and Deep!");
   EXPECT(str3.IsString());
   EXPECT(str3.IsOneByteString());
   str3 = OneByteString::null();
   EXPECT(str3.IsString());
   EXPECT(!str3.IsOneByteString());
 }
 
 
-// only ia32 and x64 can run execution tests.
-#if defined(TARGET_ARCH_IA32) || defined(TARGET_ARCH_X64)
+// Only ia32, x64, and arm can run execution tests.
+#if defined(TARGET_ARCH_IA32) ||                                               \
+    defined(TARGET_ARCH_X64) ||                                                \
+    defined(TARGET_ARCH_ARM)
 
 static Function* CreateFunction(const char* name) {
   const String& class_name = String::Handle(Symbols::New("ownerClass"));
   const Script& script = Script::Handle();
   const Class& owner_class =
       Class::Handle(Class::New(class_name, script, Scanner::kDummyTokenIndex));
   const String& function_name = String::ZoneHandle(Symbols::New(name));
   Function& function = Function::ZoneHandle(
       Function::New(function_name, RawFunction::kRegularFunction,
                     true, false, false, false, owner_class, 0));
   return &function;
 }
 
 // Test for Code and Instruction object creation.
 TEST_CASE(Code) {
   extern void GenerateIncrement(Assembler* assembler);
   Assembler _assembler_;
   GenerateIncrement(&_assembler_);
   Code& code = Code::Handle(Code::FinalizeCode(
       *CreateFunction("Test_Code"), &_assembler_));
   Instructions& instructions = Instructions::Handle(code.instructions());
-  typedef int (*IncrementCode)();
-  EXPECT_EQ(2, reinterpret_cast<IncrementCode>(instructions.EntryPoint())());
   uword entry_point = instructions.EntryPoint();
+  intptr_t retval = 0;
+#if defined(USING_SIMULATOR)
+  retval = bit_copy<intptr_t, int64_t>(Simulator::Current()->Call(
+      static_cast<int32_t>(entry_point), 0, 0, 0, 0));
+#else
+  typedef intptr_t (*IncrementCode)();
+  retval = reinterpret_cast<IncrementCode>(entry_point)();
+#endif
+  EXPECT_EQ(2, retval);
   EXPECT_EQ(instructions.raw(), Instructions::FromEntryPoint(entry_point));
 }
 
 
 // Test for Embedded String object in the instructions.
 TEST_CASE(EmbedStringInCode) {
   extern void GenerateEmbedStringInCode(Assembler* assembler, const char* str);
   const char* kHello = "Hello World!";
   word expected_length = static_cast<word>(strlen(kHello));
   Assembler _assembler_;
   GenerateEmbedStringInCode(&_assembler_, kHello);
   Code& code = Code::Handle(Code::FinalizeCode(
       *CreateFunction("Test_EmbedStringInCode"), &_assembler_));
   Instructions& instructions = Instructions::Handle(code.instructions());
+  uword retval = 0;
+#if defined(USING_SIMULATOR)
+  retval = bit_copy<uword, int64_t>(Simulator::Current()->Call(
+      static_cast<int32_t>(instructions.EntryPoint()), 0, 0, 0, 0));
+#else
   typedef uword (*EmbedStringCode)();
-  uword retval = reinterpret_cast<EmbedStringCode>(instructions.EntryPoint())();
+  retval = reinterpret_cast<EmbedStringCode>(instructions.EntryPoint())();
+#endif
   EXPECT((retval & kSmiTagMask) == kHeapObjectTag);
   String& string_object = String::Handle();
   string_object ^= reinterpret_cast<RawInstructions*>(retval);
   EXPECT(string_object.Length() == expected_length);
   for (int i = 0; i < expected_length; i ++) {
     EXPECT(string_object.CharAt(i) == kHello[i]);
   }
 }
 
 
 // Test for Embedded Smi object in the instructions.
 TEST_CASE(EmbedSmiInCode) {
   extern void GenerateEmbedSmiInCode(Assembler* assembler, intptr_t value);
   const intptr_t kSmiTestValue = 5;
   Assembler _assembler_;
   GenerateEmbedSmiInCode(&_assembler_, kSmiTestValue);
   Code& code = Code::Handle(Code::FinalizeCode(
       *CreateFunction("Test_EmbedSmiInCode"), &_assembler_));
   Instructions& instructions = Instructions::Handle(code.instructions());
+  intptr_t retval = 0;
+#if defined(USING_SIMULATOR)
+  retval = bit_copy<intptr_t, int64_t>(Simulator::Current()->Call(
+      static_cast<int32_t>(instructions.EntryPoint()), 0, 0, 0, 0));
+#else
   typedef intptr_t (*EmbedSmiCode)();
-  intptr_t retval =
-      reinterpret_cast<EmbedSmiCode>(instructions.EntryPoint())();
+  retval = reinterpret_cast<EmbedSmiCode>(instructions.EntryPoint())();
+#endif
   EXPECT((retval >> kSmiTagShift) == kSmiTestValue);
 }
 
 
 #if defined(ARCH_IS_64_BIT)
 // Test for Embedded Smi object in the instructions.
 TEST_CASE(EmbedSmiIn64BitCode) {
   extern void GenerateEmbedSmiInCode(Assembler* assembler, intptr_t value);
   const intptr_t kSmiTestValue = 5L << 32;
   Assembler _assembler_;
   GenerateEmbedSmiInCode(&_assembler_, kSmiTestValue);
   Code& code = Code::Handle(Code::FinalizeCode(
       *CreateFunction("Test_EmbedSmiIn64BitCode"), &_assembler_));
   Instructions& instructions = Instructions::Handle(code.instructions());
+  intptr_t retval = 0;
+#if defined(USING_SIMULATOR)
+  retval = bit_copy<intptr_t, int64_t>(Simulator::Current()->Call(
+      static_cast<int32_t>(instructions.EntryPoint()), 0, 0, 0, 0));
+#else
   typedef intptr_t (*EmbedSmiCode)();
-  intptr_t retval =
-      reinterpret_cast<EmbedSmiCode>(instructions.EntryPoint())();
+  retval = reinterpret_cast<EmbedSmiCode>(instructions.EntryPoint())();
+#endif
   EXPECT((retval >> kSmiTagShift) == kSmiTestValue);
 }
 #endif
 
 
 TEST_CASE(ExceptionHandlers) {
   const int kNumEntries = 4;
   // Add an exception handler table to the code.
   ExceptionHandlers& exception_handlers = ExceptionHandlers::Handle();
   exception_handlers ^= ExceptionHandlers::New(kNumEntries);
@@ skipping 845 matching lines @@
   const Function& test6 = Function::Handle(GetFunction(class_a, "test6"));
   const Function& test7 = Function::Handle(GetFunction(class_a, "test7"));
   EXPECT_EQ(test1.SourceFingerprint(), test2.SourceFingerprint());
   EXPECT_NE(test1.SourceFingerprint(), test3.SourceFingerprint());
   EXPECT_NE(test3.SourceFingerprint(), test4.SourceFingerprint());
   EXPECT_NE(test4.SourceFingerprint(), test5.SourceFingerprint());
   EXPECT_NE(test5.SourceFingerprint(), test6.SourceFingerprint());
   EXPECT_EQ(test6.SourceFingerprint(), test7.SourceFingerprint());
 }
 
-#endif  // defined(TARGET_ARCH_IA32) || defined(TARGET_ARCH_X64).
+#endif  // TARGET_ARCH_IA32 || TARGET_ARCH_X64 || TARGET_ARCH_ARM
 
 }  // namespace dart