| // Copyright (C) 2016 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. |
| |
| package device |
| |
| import "fmt" |
| |
| const ( |
| UnknownEndian = Endian_UnknownEndian |
| BigEndian = Endian_BigEndian |
| LittleEndian = Endian_LittleEndian |
| ) |
| |
| // MemoryLayout holds information about how memory is fundamentally laid out for a device. |
| type MemoryLayout struct { |
| // PointerAlignment is the alignment in bytes of a pointer type. |
| PointerAlignment int |
| // PointerSize is the size in bytes of a pointer type. |
| PointerSize int |
| // IntegerSize is the size in bytes of a int or unsigned int. |
| IntegerSize int |
| // SizeSize is the size in bytes of a size_t. |
| SizeSize int |
| // Endian is the natural byte ordering of the memory layout. |
| Endian Endian |
| } |
| |
| func (a MemoryLayout) String() string { |
| return fmt.Sprintf("Architecture{ alignof(void*): %d, sizeof(void*): %d, sizeof(int): %d, sizeof(size_t): %d, order: %v }", |
| a.PointerAlignment, a.PointerSize, a.IntegerSize, a.SizeSize, a.Endian) |
| } |