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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_QUICK_METHOD_FRAME_INFO_X86_H_
#define ART_RUNTIME_ARCH_X86_QUICK_METHOD_FRAME_INFO_X86_H_
#include "base/bit_utils.h"
#include "quick/quick_method_frame_info.h"
#include "registers_x86.h"
#include "runtime.h" // for Runtime::CalleeSaveType.
namespace art {
namespace x86 {
enum XMM {
XMM0 = 0,
XMM1 = 1,
XMM2 = 2,
XMM3 = 3,
XMM4 = 4,
XMM5 = 5,
XMM6 = 6,
XMM7 = 7,
};
static constexpr uint32_t kX86CalleeSaveRefSpills =
(1 << art::x86::EBP) | (1 << art::x86::ESI) | (1 << art::x86::EDI);
static constexpr uint32_t kX86CalleeSaveArgSpills =
(1 << art::x86::ECX) | (1 << art::x86::EDX) | (1 << art::x86::EBX);
static constexpr uint32_t kX86CalleeSaveFpArgSpills =
(1 << art::x86::XMM0) | (1 << art::x86::XMM1) |
(1 << art::x86::XMM2) | (1 << art::x86::XMM3);
constexpr uint32_t X86CalleeSaveCoreSpills(Runtime::CalleeSaveType type) {
return kX86CalleeSaveRefSpills | (type == Runtime::kRefsAndArgs ? kX86CalleeSaveArgSpills : 0) |
(1 << art::x86::kNumberOfCpuRegisters); // fake return address callee save
}
constexpr uint32_t X86CalleeSaveFpSpills(Runtime::CalleeSaveType type) {
return type == Runtime::kRefsAndArgs ? kX86CalleeSaveFpArgSpills : 0;
}
constexpr uint32_t X86CalleeSaveFrameSize(Runtime::CalleeSaveType type) {
return RoundUp((POPCOUNT(X86CalleeSaveCoreSpills(type)) /* gprs */ +
2 * POPCOUNT(X86CalleeSaveFpSpills(type)) /* fprs */ +
1 /* Method* */) * kX86PointerSize, kStackAlignment);
}
constexpr QuickMethodFrameInfo X86CalleeSaveMethodFrameInfo(Runtime::CalleeSaveType type) {
return QuickMethodFrameInfo(X86CalleeSaveFrameSize(type),
X86CalleeSaveCoreSpills(type),
X86CalleeSaveFpSpills(type));
}
} // namespace x86
} // namespace art
#endif // ART_RUNTIME_ARCH_X86_QUICK_METHOD_FRAME_INFO_X86_H_
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