Ivan Posva
5be5d54529
- Preallocate all tokens as symbols to avoid repeated lookups. - Pass thread/zone where useful while doing this change. - Avoid allocating symbols for error messages. BUG= R=fschneider@google.com Review URL: https://codereview.chromium.org/1870343002 .
112 lines
4.2 KiB
C++
112 lines
4.2 KiB
C++
// Copyright (c) 2014, 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_ARM64)
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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/symbols.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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static Function* CreateFunction(const char* name) {
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const String& class_name = String::Handle(Symbols::New(Thread::Current(),
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"ownerClass"));
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const Script& script = Script::Handle();
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const Class& owner_class = Class::Handle(
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Class::New(class_name, script, TokenPosition::kNoSource));
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const Library& lib = Library::Handle(Library::New(class_name));
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owner_class.set_library(lib);
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const String& function_name = String::ZoneHandle(
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Symbols::New(Thread::Current(), name));
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Function& function = Function::ZoneHandle(
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Function::New(function_name, RawFunction::kRegularFunction,
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true, false, false, false, false, owner_class,
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TokenPosition::kNoSource));
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return &function;
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}
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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 length) {
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const int argc = 2;
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const Smi& smi_length = Smi::ZoneHandle(Smi::New(length));
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__ EnterDartFrame(0);
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__ PushObject(Object::null_object()); // Push Null obj for return value.
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__ PushObject(smi_length); // Push argument 1: length.
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__ PushObject(Object::null_object()); // Push argument 2: type arguments.
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ASSERT(kAllocateArrayRuntimeEntry.argument_count() == argc);
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__ CallRuntime(kAllocateArrayRuntimeEntry, argc);
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__ add(SP, SP, Operand(argc * kWordSize));
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__ Pop(R0); // Pop return value from return slot.
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__ LeaveDartFrame();
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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 length = 10;
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const char* kName = "Test_CallRuntimeStubCode";
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Assembler _assembler_;
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GenerateCallToCallRuntimeStub(&_assembler_, length);
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const Code& code = Code::Handle(Code::FinalizeCode(
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*CreateFunction("Test_CallRuntimeStubCode"), &_assembler_));
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const Function& function = RegisterFakeFunction(kName, code);
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Array& result = Array::Handle();
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result ^= DartEntry::InvokeFunction(function, Object::empty_array());
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EXPECT_EQ(length, result.Length());
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}
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// Test calls to stub code which calls into a leaf runtime entry.
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static void GenerateCallToCallLeafRuntimeStub(Assembler* assembler,
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const char* value1,
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const char* value2) {
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const Bigint& bigint1 =
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Bigint::ZoneHandle(Bigint::NewFromCString(value1, Heap::kOld));
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const Bigint& bigint2 =
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Bigint::ZoneHandle(Bigint::NewFromCString(value2, Heap::kOld));
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__ EnterDartFrame(0);
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__ ReserveAlignedFrameSpace(0);
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__ LoadObject(R0, bigint1); // Set up argument 1 bigint1.
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__ LoadObject(R1, bigint2); // Set up argument 2 bigint2.
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__ CallRuntime(kBigintCompareRuntimeEntry, 2);
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__ SmiTag(R0);
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__ LeaveDartFrame();
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__ ret(); // Return value is in R0.
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}
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TEST_CASE(CallLeafRuntimeStubCode) {
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extern const Function& RegisterFakeFunction(const char* name,
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const Code& code);
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const char* value1 = "0xAAABBCCDDAABBCCDD";
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const char* value2 = "0xAABBCCDDAABBCCDD";
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const char* kName = "Test_CallLeafRuntimeStubCode";
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Assembler _assembler_;
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GenerateCallToCallLeafRuntimeStub(&_assembler_, value1, value2);
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const Code& code = Code::Handle(Code::FinalizeCode(
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*CreateFunction("Test_CallLeafRuntimeStubCode"), &_assembler_));
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const Function& function = RegisterFakeFunction(kName, code);
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Smi& result = Smi::Handle();
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result ^= DartEntry::InvokeFunction(function, Object::empty_array());
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EXPECT_EQ(1, result.Value());
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}
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} // namespace dart
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#endif // defined TARGET_ARCH_ARM64
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