blob: c9026d51248aa28040a0a06ad7c95b10e600a9bd [file] [log] [blame]
// Copyright (c) 2013, 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_ARM)
#include "vm/code_patcher.h"
#include "vm/compiler/assembler/assembler.h"
#include "vm/dart_entry.h"
#include "vm/instructions.h"
#include "vm/native_entry.h"
#include "vm/native_entry_test.h"
#include "vm/runtime_entry.h"
#include "vm/stub_code.h"
#include "vm/symbols.h"
#include "vm/unit_test.h"
namespace dart {
#define __ assembler->
ASSEMBLER_TEST_GENERATE(IcDataAccess, assembler) {
Thread* thread = Thread::Current();
const String& class_name = String::Handle(Symbols::New(thread, "ownerClass"));
const Script& script = Script::Handle();
const Class& owner_class = Class::Handle(Class::New(
Library::Handle(), class_name, script, TokenPosition::kNoSource));
const String& function_name =
String::Handle(Symbols::New(thread, "callerFunction"));
const FunctionType& signature = FunctionType::ZoneHandle(FunctionType::New());
const Function& function = Function::Handle(Function::New(
signature, function_name, UntaggedFunction::kRegularFunction, true, false,
false, false, false, owner_class, TokenPosition::kNoSource));
const String& target_name = String::Handle(String::New("targetFunction"));
const intptr_t kTypeArgsLen = 0;
const intptr_t kNumArgs = 1;
const Array& args_descriptor = Array::Handle(ArgumentsDescriptor::NewBoxed(
kTypeArgsLen, kNumArgs, Object::null_array()));
const ICData& ic_data = ICData::ZoneHandle(ICData::New(
function, target_name, args_descriptor, 15, 1, ICData::kInstance));
// Code is generated, but not executed. Just parsed with CodePatcher.
__ set_constant_pool_allowed(true); // Uninitialized pp is OK.
SPILLS_LR_TO_FRAME({}); // Clobbered LR is OK.
__ LoadObject(R9, ic_data);
__ BranchLinkPatchable(StubCode::OneArgCheckInlineCache());
RESTORES_LR_FROM_FRAME({}); // Clobbered LR is OK.
__ Ret();
ASSEMBLER_TEST_RUN(IcDataAccess, test) {
uword end = test->payload_start() + test->code().Size();
uword return_address = end - Instr::kInstrSize;
ICData& ic_data = ICData::Handle();
CodePatcher::GetInstanceCallAt(return_address, test->code(), &ic_data);
EXPECT_EQ(1, ic_data.NumArgsTested());
EXPECT_EQ(0, ic_data.NumberOfChecks());
} // namespace dart