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// 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.
#include "vm/globals.h"
#if defined(TARGET_ARCH_X64)
#include "vm/isolate.h"
#include "vm/dart_entry.h"
#include "vm/native_entry.h"
#include "vm/native_entry_test.h"
#include "vm/object.h"
#include "vm/runtime_entry.h"
#include "vm/stub_code.h"
#include "vm/symbols.h"
#include "vm/unit_test.h"
#define __ assembler->
namespace dart {
DECLARE_RUNTIME_ENTRY(TestSmiSub);
DECLARE_LEAF_RUNTIME_ENTRY(RawObject*, TestLeafSmiAdd, RawObject*, RawObject*);
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 Library& lib = Library::Handle(Library::New(class_name));
owner_class.set_library(lib);
const String& function_name = String::ZoneHandle(Symbols::New(name));
Function& function = Function::ZoneHandle(
Function::New(function_name, RawFunction::kRegularFunction,
true, false, false, false, false, owner_class, 0));
return &function;
}
// Test calls to stub code which calls into the runtime.
static void GenerateCallToCallRuntimeStub(Assembler* assembler,
int value1, int value2) {
const int argc = 2;
const Smi& smi1 = Smi::ZoneHandle(Smi::New(value1));
const Smi& smi2 = Smi::ZoneHandle(Smi::New(value2));
const Object& result = Object::ZoneHandle();
const Context& context = Context::ZoneHandle(Context::New(0, Heap::kOld));
ASSERT(context.isolate() == Isolate::Current());
__ EnterStubFrame(true);
__ LoadObject(CTX, context, PP);
__ PushObject(result, PP); // Push Null object for return value.
__ PushObject(smi1, PP); // Push argument 1 smi1.
__ PushObject(smi2, PP); // Push argument 2 smi2.
ASSERT(kTestSmiSubRuntimeEntry.argument_count() == argc);
__ CallRuntime(kTestSmiSubRuntimeEntry, argc); // Call SmiSub runtime func.
__ AddImmediate(RSP, Immediate(argc * kWordSize), PP);
__ popq(RAX); // Pop return value from return slot.
__ LeaveStubFrame();
__ ret();
}
TEST_CASE(CallRuntimeStubCode) {
extern const Function& RegisterFakeFunction(const char* name,
const Code& code);
const int value1 = 10;
const int value2 = 20;
const char* kName = "Test_CallRuntimeStubCode";
Assembler _assembler_;
GenerateCallToCallRuntimeStub(&_assembler_, value1, value2);
const Code& code = Code::Handle(Code::FinalizeCode(
*CreateFunction("Test_CallRuntimeStubCode"), &_assembler_));
const Function& function = RegisterFakeFunction(kName, code);
Smi& result = Smi::Handle();
result ^= DartEntry::InvokeFunction(function, Object::empty_array());
EXPECT_EQ((value1 - value2), result.Value());
}
// Test calls to stub code which calls into a leaf runtime entry.
static void GenerateCallToCallLeafRuntimeStub(Assembler* assembler,
int value1,
int value2) {
const Smi& smi1 = Smi::ZoneHandle(Smi::New(value1));
const Smi& smi2 = Smi::ZoneHandle(Smi::New(value2));
__ enter(Immediate(0));
__ ReserveAlignedFrameSpace(0);
__ LoadObject(RDI, smi1, PP); // Set up argument 1 smi1.
__ LoadObject(RSI, smi2, PP); // Set up argument 2 smi2.
__ CallRuntime(kTestLeafSmiAddRuntimeEntry, 2); // Call SmiAdd runtime func.
__ leave();
__ ret(); // Return value is in RAX.
}
TEST_CASE(CallLeafRuntimeStubCode) {
extern const Function& RegisterFakeFunction(const char* name,
const Code& code);
const int value1 = 10;
const int value2 = 20;
const char* kName = "Test_CallLeafRuntimeStubCode";
Assembler _assembler_;
GenerateCallToCallLeafRuntimeStub(&_assembler_, value1, value2);
const Code& code = Code::Handle(Code::FinalizeCode(
*CreateFunction("Test_CallLeafRuntimeStubCode"), &_assembler_));
const Function& function = RegisterFakeFunction(kName, code);
Smi& result = Smi::Handle();
result ^= DartEntry::InvokeFunction(function, Object::empty_array());
EXPECT_EQ((value1 + value2), result.Value());
}
} // namespace dart
#endif // defined TARGET_ARCH_X64