LLVM OpenMP* Runtime Library
src
kmp_platform.h
1
/*
2
* kmp_platform.h -- header for determining operating system and architecture
3
*/
4
5
//===----------------------------------------------------------------------===//
6
//
7
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
8
// See https://llvm.org/LICENSE.txt for license information.
9
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
10
//
11
//===----------------------------------------------------------------------===//
12
13
#ifndef KMP_PLATFORM_H
14
#define KMP_PLATFORM_H
15
16
/* ---------------------- Operating system recognition ------------------- */
17
18
#define KMP_OS_LINUX 0
19
#define KMP_OS_DRAGONFLY 0
20
#define KMP_OS_FREEBSD 0
21
#define KMP_OS_NETBSD 0
22
#define KMP_OS_OPENBSD 0
23
#define KMP_OS_DARWIN 0
24
#define KMP_OS_WINDOWS 0
25
#define KMP_OS_HURD 0
26
#define KMP_OS_UNIX 0
/* disjunction of KMP_OS_LINUX, KMP_OS_DARWIN etc. */
27
28
#ifdef _WIN32
29
#undef KMP_OS_WINDOWS
30
#define KMP_OS_WINDOWS 1
31
#endif
32
33
#if (defined __APPLE__ && defined __MACH__)
34
#undef KMP_OS_DARWIN
35
#define KMP_OS_DARWIN 1
36
#endif
37
38
// in some ppc64 linux installations, only the second condition is met
39
#if (defined __linux)
40
#undef KMP_OS_LINUX
41
#define KMP_OS_LINUX 1
42
#elif (defined __linux__)
43
#undef KMP_OS_LINUX
44
#define KMP_OS_LINUX 1
45
#else
46
#endif
47
48
#if (defined __DragonFly__)
49
#undef KMP_OS_DRAGONFLY
50
#define KMP_OS_DRAGONFLY 1
51
#endif
52
53
#if (defined __FreeBSD__)
54
#undef KMP_OS_FREEBSD
55
#define KMP_OS_FREEBSD 1
56
#endif
57
58
#if (defined __NetBSD__)
59
#undef KMP_OS_NETBSD
60
#define KMP_OS_NETBSD 1
61
#endif
62
63
#if (defined __OpenBSD__)
64
#undef KMP_OS_OPENBSD
65
#define KMP_OS_OPENBSD 1
66
#endif
67
68
#if (defined __GNU__)
69
#undef KMP_OS_HURD
70
#define KMP_OS_HURD 1
71
#endif
72
73
#if (1 != KMP_OS_LINUX + KMP_OS_DRAGONFLY + KMP_OS_FREEBSD + KMP_OS_NETBSD + \
74
KMP_OS_OPENBSD + KMP_OS_DARWIN + KMP_OS_WINDOWS + KMP_OS_HURD)
75
#error Unknown OS
76
#endif
77
78
#if KMP_OS_LINUX || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || \
79
KMP_OS_OPENBSD || KMP_OS_DARWIN || KMP_OS_HURD
80
#undef KMP_OS_UNIX
81
#define KMP_OS_UNIX 1
82
#endif
83
84
/* ---------------------- Architecture recognition ------------------- */
85
86
#define KMP_ARCH_X86 0
87
#define KMP_ARCH_X86_64 0
88
#define KMP_ARCH_AARCH64 0
89
#define KMP_ARCH_PPC64_ELFv1 0
90
#define KMP_ARCH_PPC64_ELFv2 0
91
#define KMP_ARCH_PPC64 (KMP_ARCH_PPC64_ELFv2 || KMP_ARCH_PPC64_ELFv1)
92
#define KMP_ARCH_MIPS 0
93
#define KMP_ARCH_MIPS64 0
94
#define KMP_ARCH_RISCV64 0
95
#define KMP_ARCH_LOONGARCH64 0
96
#define KMP_ARCH_VE 0
97
98
#if KMP_OS_WINDOWS
99
#if defined(_M_AMD64) || defined(__x86_64)
100
#undef KMP_ARCH_X86_64
101
#define KMP_ARCH_X86_64 1
102
#elif defined(__aarch64__) || defined(_M_ARM64)
103
#undef KMP_ARCH_AARCH64
104
#define KMP_ARCH_AARCH64 1
105
#elif defined(__arm__) || defined(_M_ARM)
106
#undef KMP_ARCH_ARMV7
107
#define KMP_ARCH_ARMV7 1
108
#else
109
#undef KMP_ARCH_X86
110
#define KMP_ARCH_X86 1
111
#endif
112
#endif
113
114
#if KMP_OS_UNIX
115
#if defined __x86_64
116
#undef KMP_ARCH_X86_64
117
#define KMP_ARCH_X86_64 1
118
#elif defined __i386
119
#undef KMP_ARCH_X86
120
#define KMP_ARCH_X86 1
121
#elif defined __powerpc64__
122
#if defined(_CALL_ELF) && _CALL_ELF == 2
123
#undef KMP_ARCH_PPC64_ELFv2
124
#define KMP_ARCH_PPC64_ELFv2 1
125
#else
126
#undef KMP_ARCH_PPC64_ELFv1
127
#define KMP_ARCH_PPC64_ELFv1 1
128
#endif
129
#elif defined __aarch64__
130
#undef KMP_ARCH_AARCH64
131
#define KMP_ARCH_AARCH64 1
132
#elif defined __mips__
133
#if defined __mips64
134
#undef KMP_ARCH_MIPS64
135
#define KMP_ARCH_MIPS64 1
136
#else
137
#undef KMP_ARCH_MIPS
138
#define KMP_ARCH_MIPS 1
139
#endif
140
#elif defined __riscv && __riscv_xlen == 64
141
#undef KMP_ARCH_RISCV64
142
#define KMP_ARCH_RISCV64 1
143
#elif defined __loongarch__ && __loongarch_grlen == 64
144
#undef KMP_ARCH_LOONGARCH64
145
#define KMP_ARCH_LOONGARCH64 1
146
#elif defined __ve__
147
#undef KMP_ARCH_VE
148
#define KMP_ARCH_VE 1
149
#endif
150
#endif
151
152
#if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7R__) || \
153
defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7VE__)
154
#define KMP_ARCH_ARMV7 1
155
#endif
156
157
#if defined(KMP_ARCH_ARMV7) || defined(__ARM_ARCH_6__) || \
158
defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || \
159
defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6T2__) || \
160
defined(__ARM_ARCH_6ZK__)
161
#define KMP_ARCH_ARMV6 1
162
#endif
163
164
#if defined(KMP_ARCH_ARMV6) || defined(__ARM_ARCH_5T__) || \
165
defined(__ARM_ARCH_5E__) || defined(__ARM_ARCH_5TE__) || \
166
defined(__ARM_ARCH_5TEJ__)
167
#define KMP_ARCH_ARMV5 1
168
#endif
169
170
#if defined(KMP_ARCH_ARMV5) || defined(__ARM_ARCH_4__) || \
171
defined(__ARM_ARCH_4T__)
172
#define KMP_ARCH_ARMV4 1
173
#endif
174
175
#if defined(KMP_ARCH_ARMV4) || defined(__ARM_ARCH_3__) || \
176
defined(__ARM_ARCH_3M__)
177
#define KMP_ARCH_ARMV3 1
178
#endif
179
180
#if defined(KMP_ARCH_ARMV3) || defined(__ARM_ARCH_2__)
181
#define KMP_ARCH_ARMV2 1
182
#endif
183
184
#if defined(KMP_ARCH_ARMV2)
185
#define KMP_ARCH_ARM 1
186
#endif
187
188
#if defined(__MIC__) || defined(__MIC2__)
189
#define KMP_MIC 1
190
#if __MIC2__ || __KNC__
191
#define KMP_MIC1 0
192
#define KMP_MIC2 1
193
#else
194
#define KMP_MIC1 1
195
#define KMP_MIC2 0
196
#endif
197
#else
198
#define KMP_MIC 0
199
#define KMP_MIC1 0
200
#define KMP_MIC2 0
201
#endif
202
203
/* Specify 32 bit architectures here */
204
#define KMP_32_BIT_ARCH (KMP_ARCH_X86 || KMP_ARCH_ARM || KMP_ARCH_MIPS)
205
206
// Platforms which support Intel(R) Many Integrated Core Architecture
207
#define KMP_MIC_SUPPORTED \
208
((KMP_ARCH_X86 || KMP_ARCH_X86_64) && (KMP_OS_LINUX || KMP_OS_WINDOWS))
209
210
// TODO: Fixme - This is clever, but really fugly
211
#if (1 != KMP_ARCH_X86 + KMP_ARCH_X86_64 + KMP_ARCH_ARM + KMP_ARCH_PPC64 + \
212
KMP_ARCH_AARCH64 + KMP_ARCH_MIPS + KMP_ARCH_MIPS64 + \
213
KMP_ARCH_RISCV64 + KMP_ARCH_LOONGARCH64 + KMP_ARCH_VE)
214
#error Unknown or unsupported architecture
215
#endif
216
217
#endif
// KMP_PLATFORM_H
Generated by
1.9.1