runtime/vm/compiler/stub_code_compiler.cc

// Copyright (c) 2020, 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/compiler/runtime_api.h"
#include "vm/globals.h"

#define SHOULD_NOT_INCLUDE_RUNTIME

#include "vm/compiler/stub_code_compiler.h"

#include "vm/compiler/assembler/assembler.h"

#define __ assembler->

namespace dart {

namespace compiler {

void StubCodeCompiler::GenerateInitStaticFieldStub(Assembler* assembler) {
  __ EnterStubFrame();
  __ PushObject(NullObject());  // Make room for (unused) result.
  __ PushRegister(InitStaticFieldABI::kFieldReg);
  __ CallRuntime(kInitStaticFieldRuntimeEntry, /*argument_count=*/1);
  __ Drop(2);
  __ LeaveStubFrame();
  __ Ret();
}

void StubCodeCompiler::GenerateInitInstanceFieldStub(Assembler* assembler) {
  __ EnterStubFrame();
  __ PushObject(NullObject());  // Make room for (unused) result.
  __ PushRegister(InitInstanceFieldABI::kInstanceReg);
  __ PushRegister(InitInstanceFieldABI::kFieldReg);
  __ CallRuntime(kInitInstanceFieldRuntimeEntry, /*argument_count=*/2);
  __ Drop(3);
  __ LeaveStubFrame();
  __ Ret();
}

void StubCodeCompiler::GenerateThrowStub(Assembler* assembler) {
  __ EnterStubFrame();
  __ PushObject(NullObject());  // Make room for (unused) result.
  __ PushRegister(ThrowABI::kExceptionReg);
  __ CallRuntime(kThrowRuntimeEntry, /*argument_count=*/1);
  __ Breakpoint();
}

void StubCodeCompiler::GenerateReThrowStub(Assembler* assembler) {
  __ EnterStubFrame();
  __ PushObject(NullObject());  // Make room for (unused) result.
  __ PushRegister(ReThrowABI::kExceptionReg);
  __ PushRegister(ReThrowABI::kStackTraceReg);
  __ CallRuntime(kReThrowRuntimeEntry, /*argument_count=*/2);
  __ Breakpoint();
}

void StubCodeCompiler::GenerateAssertBooleanStub(Assembler* assembler) {
  __ EnterStubFrame();
  __ PushObject(NullObject());  // Make room for (unused) result.
  __ PushRegister(AssertBooleanABI::kObjectReg);
  __ CallRuntime(kNonBoolTypeErrorRuntimeEntry, /*argument_count=*/1);
  __ Breakpoint();
}

void StubCodeCompiler::GenerateInstanceOfStub(Assembler* assembler) {
  __ EnterStubFrame();
  __ PushObject(NullObject());  // Make room for the result.
  __ PushRegister(TypeTestABI::kInstanceReg);
  __ PushRegister(TypeTestABI::kDstTypeReg);
  __ PushRegister(TypeTestABI::kInstantiatorTypeArgumentsReg);
  __ PushRegister(TypeTestABI::kFunctionTypeArgumentsReg);
  __ PushRegister(TypeTestABI::kSubtypeTestCacheReg);
  __ CallRuntime(kInstanceofRuntimeEntry, /*argument_count=*/5);
  __ Drop(5);
  __ PopRegister(TypeTestABI::kResultReg);
  __ LeaveStubFrame();
  __ Ret();
}

}  // namespace compiler

}  // namespace dart