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// Copyright 2011 Google Inc. All Rights Reserved.
#ifndef ART_SRC_GLOBALS_H_
#define ART_SRC_GLOBALS_H_
#include <stddef.h>
#include <stdint.h>
namespace art {
typedef uint8_t byte;
typedef intptr_t word;
typedef uintptr_t uword;
const size_t KB = 1024;
const size_t MB = KB * KB;
const size_t GB = KB * KB * KB;
const int kMaxInt = 0x7FFFFFFF;
const int kMinInt = -kMaxInt - 1;
const int kCharSize = sizeof(char);
const int kShortSize = sizeof(short);
const int kIntSize = sizeof(int);
const int kDoubleSize = sizeof(double);
const int kIntptrSize = sizeof(intptr_t);
const int kWordSize = sizeof(word);
const int kPointerSize = sizeof(void*);
const int kBitsPerByte = 8;
const int kBitsPerByteLog2 = 3;
const int kBitsPerPointer = kPointerSize * kBitsPerByte;
const int kBitsPerWord = kWordSize * kBitsPerByte;
const int kBitsPerInt = kIntSize * kBitsPerByte;
// Required stack alignment
const int kStackAlignment = 16;
// Required object alignment
const int kObjectAlignment = 8;
// Required ARM instruction alignment
const int kArmAlignment = 4;
// System page size. Normally you're expected to get this from
// sysconf(_SC_PAGESIZE) or some system-specific define (usually
// PAGESIZE or PAGE_SIZE). If we use a simple compile-time constant
// the compiler can generate appropriate masks directly, so we define
// it here and verify it as the runtime is starting up.
//
// Must be a power of 2.
const int kPageSize = 4096;
} // namespace art
#endif // ART_SRC_GLOBALS_H_
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