blob: 3472e80ad33c3be774d248a13814378f4155c747 [file] [log] [blame]
/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "simulator/code_simulator_arm64.h"
namespace art {
namespace arm64 {
// VIXL has not been tested on 32bit arches, so vixl::Simulator is not always
// available. To avoid linker error on these arches, an early return is added in
// each of the following methods, when vixl::Simulator is not available.
// TODO: when vixl::Simulator is always available, remove the early returns.
CodeSimulatorArm64::CodeSimulatorArm64()
: decoder_(nullptr), simulator_(nullptr) {
DCHECK(kCanSimulate);
if (!kCanSimulate) {
return;
}
decoder_ = new vixl::Decoder();
simulator_ = new vixl::Simulator(decoder_);
}
CodeSimulatorArm64::~CodeSimulatorArm64() {
if (!kCanSimulate) {
return;
}
delete simulator_;
delete decoder_;
}
void CodeSimulatorArm64::RunFrom(intptr_t code_buffer) {
if (!kCanSimulate) {
return;
}
simulator_->RunFrom(reinterpret_cast<const vixl::Instruction*>(code_buffer));
}
bool CodeSimulatorArm64::GetCReturnBool() {
DCHECK(kCanSimulate);
return simulator_->wreg(0);
}
int32_t CodeSimulatorArm64::GetCReturnInt32() {
DCHECK(kCanSimulate);
return simulator_->wreg(0);
}
int64_t CodeSimulatorArm64::GetCReturnInt64() {
DCHECK(kCanSimulate);
return simulator_->xreg(0);
}
} // namespace arm64
} // namespace art