Library of Assembled Shared Sources
architecture.h
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1/** @file
2 * @author Bram de Greve (bram@cocamware.com)
3 * @author Tom De Muer (tom@cocamware.com)
4 *
5 * *** BEGIN LICENSE INFORMATION ***
6 *
7 * The contents of this file are subject to the Common Public Attribution License
8 * Version 1.0 (the "License"); you may not use this file except in compliance with
9 * the License. You may obtain a copy of the License at
10 * http://lass.sourceforge.net/cpal-license. The License is based on the
11 * Mozilla Public License Version 1.1 but Sections 14 and 15 have been added to cover
12 * use of software over a computer network and provide for limited attribution for
13 * the Original Developer. In addition, Exhibit A has been modified to be consistent
14 * with Exhibit B.
15 *
16 * Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
17 * WARRANTY OF ANY KIND, either express or implied. See the License for the specific
18 * language governing rights and limitations under the License.
19 *
20 * The Original Code is LASS - Library of Assembled Shared Sources.
21 *
22 * The Initial Developer of the Original Code is Bram de Greve and Tom De Muer.
23 * The Original Developer is the Initial Developer.
24 *
25 * All portions of the code written by the Initial Developer are:
26 * Copyright (C) 2004-2022 the Initial Developer.
27 * All Rights Reserved.
28 *
29 * Contributor(s):
30 *
31 * Alternatively, the contents of this file may be used under the terms of the
32 * GNU General Public License Version 2 or later (the GPL), in which case the
33 * provisions of GPL are applicable instead of those above. If you wish to allow use
34 * of your version of this file only under the terms of the GPL and not to allow
35 * others to use your version of this file under the CPAL, indicate your decision by
36 * deleting the provisions above and replace them with the notice and other
37 * provisions required by the GPL License. If you do not delete the provisions above,
38 * a recipient may use your version of this file under either the CPAL or the GPL.
39 *
40 * *** END LICENSE INFORMATION ***
41 */
42
43#ifndef LASS_GUARDIAN_OF_INCLUSION_CONFIG_ARCHITECTURE_H
44#define LASS_GUARDIAN_OF_INCLUSION_CONFIG_ARCHITECTURE_H
45
46#include "compilers.h"
47
48/*
49 * Finds out for which processor architecture the code is generated
50 * for.
51 * Supported definitions:
52 * i386, ARM
53 */
54
55#if defined(_M_IA64) || defined(_M_X64) || defined(_LP64) || defined(__LP64__) || defined(__x86_64)
56# define LASS_ADDRESS_SIZE 64
57 // HACK: Currently, we assume that all 64 bit platforms actually only use 48 bits
58# define LASS_ACTUAL_ADDRESS_SIZE 48
59#else
60# define LASS_ADDRESS_SIZE 32
61#endif
62
63#if !defined(LASS_ACTUAL_ADDRESS_SIZE)
64# define LASS_ACTUAL_ADDRESS_SIZE LASS_ADDRESS_SIZE
65#endif
66
67
68#if LASS_COMPILER_TYPE == LASS_COMPILER_TYPE_GCC || LASS_COMPILER_TYPE == LASS_COMPILER_TYPE_CLANG
69# if defined(__arm__)
70# define LASS_PROCESSOR_ARCHITECTURE_ARM 1
71# elif defined(__aarch64__)
72# define LASS_PROCESSOR_ARCHITECTURE_ARM64 1
73#else
74# define LASS_PROCESSOR_ARCHITECTURE_x86 1
75# endif
76#else
77 // for now assume that non-gcc compilers will be used to generate i386 compatible code
78# define LASS_PROCESSOR_ARCHITECTURE_x86
79#endif
80
81#if defined(LASS_PROCESSOR_ARCHITECTURE_x86)
82# define LASS_PROCESSOR_ARCHITECTURE "x86"
83#elif defined(LASS_PROCESSOR_ARCHITECTURE_ARM)
84# define LASS_PROCESSOR_ARCHITECTURE "arm"
85#elif defined(LASS_PROCESSOR_ARCHITECTURE_ARM64)
86# define LASS_PROCESSOR_ARCHITECTURE "arm64"
87#else
88# define LASS_PROCESSOR_ARCHITECTURE "unknown"
89#endif
90
91#endif
92
93// EOF