regis@google.com
ec7f6331d1
Fix 64-bit assembler bugs. Review URL: http://codereview.chromium.org//8818001 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@2206 260f80e4-7a28-3924-810f-c04153c831b5
116 lines
4.3 KiB
C++
116 lines
4.3 KiB
C++
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "vm/globals.h"
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#if defined(TARGET_ARCH_X64)
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#include "vm/isolate.h"
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#include "vm/dart_entry.h"
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#include "vm/native_entry.h"
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#include "vm/native_entry_test.h"
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#include "vm/object.h"
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#include "vm/runtime_entry.h"
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#include "vm/stub_code.h"
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#include "vm/unit_test.h"
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#define __ assembler->
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namespace dart {
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DECLARE_RUNTIME_ENTRY(TestSmiSub);
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// Test calls to stub code which calls into the runtime.
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static void GenerateCallToCallRuntimeStub(Assembler* assembler,
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int value1, int value2) {
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const int argc = 2;
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const Smi& smi1 = Smi::ZoneHandle(Smi::New(value1));
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const Smi& smi2 = Smi::ZoneHandle(Smi::New(value2));
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const Object& result = Object::ZoneHandle();
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const Context& context = Context::ZoneHandle(Context::New(0));
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ASSERT(context.isolate() == Isolate::Current());
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__ enter(Immediate(0));
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__ LoadObject(CTX, context);
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__ PushObject(result); // Push Null object for return value.
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__ PushObject(smi1); // Push argument 1 smi1.
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__ PushObject(smi2); // Push argument 2 smi2.
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ASSERT(kTestSmiSubRuntimeEntry.argument_count() == argc);
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__ CallRuntimeFromStub(kTestSmiSubRuntimeEntry); // Call SmiSub runtime func.
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__ AddImmediate(RSP, Immediate(argc * kWordSize));
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__ popq(RAX); // Pop return value from return slot.
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__ leave();
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__ ret();
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}
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TEST_CASE(CallRuntimeStubCode) {
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extern const Function& RegisterFakeFunction(const char* name,
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const Code& code);
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const int value1 = 10;
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const int value2 = 20;
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const char* kName = "Test_CallRuntimeStubCode";
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Assembler _assembler_;
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GenerateCallToCallRuntimeStub(&_assembler_, value1, value2);
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const Code& code = Code::Handle(
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Code::FinalizeCode("Test_CallRuntimeStubCode", &_assembler_));
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const Function& function = RegisterFakeFunction(kName, code);
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GrowableArray<const Object*> arguments;
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const Array& kNoArgumentNames = Array::Handle();
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Smi& result = Smi::Handle();
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result ^= DartEntry::InvokeStatic(function, arguments, kNoArgumentNames);
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EXPECT_EQ((value1 - value2), result.Value());
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}
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// Test calls to stub code which calls a native C function.
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static void GenerateCallToCallNativeCFunctionStub(Assembler* assembler,
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int value1, int value2) {
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const int argc = 2;
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const Smi& smi1 = Smi::ZoneHandle(Smi::New(value1));
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const Smi& smi2 = Smi::ZoneHandle(Smi::New(value2));
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const Object& result = Object::ZoneHandle();
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const String& native_name = String::ZoneHandle(String::New("TestSmiSub"));
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Dart_NativeFunction native_function =
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NativeTestEntry_Lookup(native_name, argc);
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const Context& context = Context::ZoneHandle(Context::New(0));
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ASSERT(context.isolate() == Isolate::Current());
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__ enter(Immediate(0));
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__ LoadObject(CTX, context);
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__ PushObject(smi1); // Push argument 1 smi1.
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__ PushObject(smi2); // Push argument 2 smi2.
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__ PushObject(result); // Push Null object for return value.
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// Pass a pointer to the first argument in RAX.
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__ leaq(RAX, Address(RSP, 2 * kWordSize));
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__ movq(RBX, Immediate(reinterpret_cast<uword>(native_function)));
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__ movq(R10, Immediate(argc));
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__ call(&StubCode::CallNativeCFunctionLabel());
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__ popq(RAX); // Pop return value from return slot.
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__ AddImmediate(RSP, Immediate(argc * kWordSize));
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__ leave();
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__ ret();
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}
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TEST_CASE(CallNativeCFunctionStubCode) {
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extern const Function& RegisterFakeFunction(const char* name,
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const Code& code);
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const int value1 = 15;
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const int value2 = 20;
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const char* kName = "Test_CallNativeCFunctionStubCode";
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Assembler _assembler_;
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GenerateCallToCallNativeCFunctionStub(&_assembler_, value1, value2);
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const Code& code = Code::Handle(
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Code::FinalizeCode(kName, &_assembler_));
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const Function& function = RegisterFakeFunction(kName, code);
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GrowableArray<const Object*> arguments;
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const Array& kNoArgumentNames = Array::Handle();
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Smi& result = Smi::Handle();
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result ^= DartEntry::InvokeStatic(function, arguments, kNoArgumentNames);
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EXPECT_EQ((value1 - value2), result.Value());
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}
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} // namespace dart
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#endif // defined TARGET_ARCH_X64
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