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/*
* Copyright (C) 2014 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.
*/
#ifndef ART_RUNTIME_ARCH_MIPS_QUICK_METHOD_FRAME_INFO_MIPS_H_
#define ART_RUNTIME_ARCH_MIPS_QUICK_METHOD_FRAME_INFO_MIPS_H_
#include "base/bit_utils.h"
#include "quick/quick_method_frame_info.h"
#include "registers_mips.h"
#include "runtime.h" // for Runtime::CalleeSaveType.
namespace art {
namespace mips {
static constexpr uint32_t kMipsCalleeSaveRefSpills =
(1 << art::mips::S2) | (1 << art::mips::S3) | (1 << art::mips::S4) | (1 << art::mips::S5) |
(1 << art::mips::S6) | (1 << art::mips::S7) | (1 << art::mips::GP) | (1 << art::mips::FP);
static constexpr uint32_t kMipsCalleeSaveArgSpills =
(1 << art::mips::A1) | (1 << art::mips::A2) | (1 << art::mips::A3);
static constexpr uint32_t kMipsCalleeSaveAllSpills =
(1 << art::mips::S0) | (1 << art::mips::S1);
constexpr uint32_t MipsCalleeSaveCoreSpills(Runtime::CalleeSaveType type) {
return kMipsCalleeSaveRefSpills |
(type == Runtime::kRefsAndArgs ? kMipsCalleeSaveArgSpills : 0) |
(type == Runtime::kSaveAll ? kMipsCalleeSaveAllSpills : 0) | (1 << art::mips::RA);
}
constexpr uint32_t MipsCalleeSaveFrameSize(Runtime::CalleeSaveType type) {
return RoundUp((POPCOUNT(MipsCalleeSaveCoreSpills(type)) /* gprs */ +
1 /* Method* */) * kMipsPointerSize, kStackAlignment);
}
constexpr QuickMethodFrameInfo MipsCalleeSaveMethodFrameInfo(Runtime::CalleeSaveType type) {
return QuickMethodFrameInfo(MipsCalleeSaveFrameSize(type),
MipsCalleeSaveCoreSpills(type),
0u);
}
} // namespace mips
} // namespace art
#endif // ART_RUNTIME_ARCH_MIPS_QUICK_METHOD_FRAME_INFO_MIPS_H_
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