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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_X86_64_QUICK_METHOD_FRAME_INFO_X86_64_H_
#define ART_RUNTIME_ARCH_X86_64_QUICK_METHOD_FRAME_INFO_X86_64_H_
#include "quick/quick_method_frame_info.h"
#include "registers_x86_64.h"
#include "runtime.h" // for Runtime::CalleeSaveType.
namespace art {
namespace x86_64 {
static constexpr uint32_t kX86_64CalleeSaveRefSpills =
(1 << art::x86_64::RBX) | (1 << art::x86_64::RBP) | (1 << art::x86_64::R12) |
(1 << art::x86_64::R13) | (1 << art::x86_64::R14) | (1 << art::x86_64::R15);
static constexpr uint32_t kX86_64CalleeSaveArgSpills =
(1 << art::x86_64::RSI) | (1 << art::x86_64::RDX) | (1 << art::x86_64::RCX) |
(1 << art::x86_64::R8) | (1 << art::x86_64::R9);
static constexpr uint32_t kX86_64CalleeSaveFpArgSpills =
(1 << art::x86_64::XMM0) | (1 << art::x86_64::XMM1) | (1 << art::x86_64::XMM2) |
(1 << art::x86_64::XMM3) | (1 << art::x86_64::XMM4) | (1 << art::x86_64::XMM5) |
(1 << art::x86_64::XMM6) | (1 << art::x86_64::XMM7);
static constexpr uint32_t kX86_64CalleeSaveFpSpills =
(1 << art::x86_64::XMM12) | (1 << art::x86_64::XMM13) |
(1 << art::x86_64::XMM14) | (1 << art::x86_64::XMM15);
constexpr uint32_t X86_64CalleeSaveCoreSpills(Runtime::CalleeSaveType type) {
return kX86_64CalleeSaveRefSpills |
(type == Runtime::kRefsAndArgs ? kX86_64CalleeSaveArgSpills : 0) |
(1 << art::x86_64::kNumberOfCpuRegisters); // fake return address callee save;
}
constexpr uint32_t X86_64CalleeSaveFpSpills(Runtime::CalleeSaveType type) {
return kX86_64CalleeSaveFpSpills |
(type == Runtime::kRefsAndArgs ? kX86_64CalleeSaveFpArgSpills : 0);
}
constexpr uint32_t X86_64CalleeSaveFrameSize(Runtime::CalleeSaveType type) {
return RoundUp((POPCOUNT(X86_64CalleeSaveCoreSpills(type)) /* gprs */ +
POPCOUNT(X86_64CalleeSaveFpSpills(type)) /* fprs */ +
1 /* Method* */) * kX86_64PointerSize, kStackAlignment);
}
constexpr QuickMethodFrameInfo X86_64CalleeSaveMethodFrameInfo(Runtime::CalleeSaveType type) {
return QuickMethodFrameInfo(X86_64CalleeSaveFrameSize(type),
X86_64CalleeSaveCoreSpills(type),
X86_64CalleeSaveFpSpills(type));
}
} // namespace x86_64
} // namespace art
#endif // ART_RUNTIME_ARCH_X86_64_QUICK_METHOD_FRAME_INFO_X86_64_H_
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