You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
116 lines
2.7 KiB
116 lines
2.7 KiB
/*
|
|
* Copyright (C) 2011 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_COMPILER_UTILS_X86_CONSTANTS_X86_H_
|
|
#define ART_COMPILER_UTILS_X86_CONSTANTS_X86_H_
|
|
|
|
#include <iosfwd>
|
|
|
|
#include <android-base/logging.h>
|
|
|
|
#include "arch/x86/registers_x86.h"
|
|
#include "base/globals.h"
|
|
#include "base/macros.h"
|
|
|
|
namespace art {
|
|
namespace x86 {
|
|
|
|
enum ByteRegister {
|
|
AL = 0,
|
|
CL = 1,
|
|
DL = 2,
|
|
BL = 3,
|
|
AH = 4,
|
|
CH = 5,
|
|
DH = 6,
|
|
BH = 7,
|
|
kNoByteRegister = -1 // Signals an illegal register.
|
|
};
|
|
|
|
enum X87Register {
|
|
ST0 = 0,
|
|
ST1 = 1,
|
|
ST2 = 2,
|
|
ST3 = 3,
|
|
ST4 = 4,
|
|
ST5 = 5,
|
|
ST6 = 6,
|
|
ST7 = 7,
|
|
kNumberOfX87Registers = 8,
|
|
kNoX87Register = -1 // Signals an illegal register.
|
|
};
|
|
std::ostream& operator<<(std::ostream& os, const X87Register& reg);
|
|
|
|
enum ScaleFactor {
|
|
TIMES_1 = 0,
|
|
TIMES_2 = 1,
|
|
TIMES_4 = 2,
|
|
TIMES_8 = 3
|
|
};
|
|
|
|
enum Condition {
|
|
kOverflow = 0,
|
|
kNoOverflow = 1,
|
|
kBelow = 2,
|
|
kAboveEqual = 3,
|
|
kEqual = 4,
|
|
kNotEqual = 5,
|
|
kBelowEqual = 6,
|
|
kAbove = 7,
|
|
kSign = 8,
|
|
kNotSign = 9,
|
|
kParityEven = 10,
|
|
kParityOdd = 11,
|
|
kLess = 12,
|
|
kGreaterEqual = 13,
|
|
kLessEqual = 14,
|
|
kGreater = 15,
|
|
|
|
kZero = kEqual,
|
|
kNotZero = kNotEqual,
|
|
kNegative = kSign,
|
|
kPositive = kNotSign,
|
|
kCarrySet = kBelow,
|
|
kCarryClear = kAboveEqual,
|
|
kUnordered = kParityEven
|
|
};
|
|
|
|
|
|
class Instr {
|
|
public:
|
|
static const uint8_t kHltInstruction = 0xF4;
|
|
// We prefer not to use the int3 instruction since it conflicts with gdb.
|
|
static const uint8_t kBreakPointInstruction = kHltInstruction;
|
|
|
|
bool IsBreakPoint() {
|
|
return (*reinterpret_cast<const uint8_t*>(this)) == kBreakPointInstruction;
|
|
}
|
|
|
|
// Instructions are read out of a code stream. The only way to get a
|
|
// reference to an instruction is to convert a pointer. There is no way
|
|
// to allocate or create instances of class Instr.
|
|
// Use the At(pc) function to create references to Instr.
|
|
static Instr* At(uintptr_t pc) { return reinterpret_cast<Instr*>(pc); }
|
|
|
|
private:
|
|
DISALLOW_IMPLICIT_CONSTRUCTORS(Instr);
|
|
};
|
|
|
|
} // namespace x86
|
|
} // namespace art
|
|
|
|
#endif // ART_COMPILER_UTILS_X86_CONSTANTS_X86_H_
|