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_HAIKU 0
26#define KMP_OS_HURD 0
27#define KMP_OS_SOLARIS 0
28#define KMP_OS_WASI 0
29#define KMP_OS_EMSCRIPTEN 0
30#define KMP_OS_AIX 0
31#define KMP_OS_UNIX 0 /* disjunction of KMP_OS_LINUX, KMP_OS_DARWIN etc. */
32
33#ifdef _WIN32
34#undef KMP_OS_WINDOWS
35#define KMP_OS_WINDOWS 1
36#endif
37
38#if (defined __APPLE__ && defined __MACH__)
39#undef KMP_OS_DARWIN
40#define KMP_OS_DARWIN 1
41#endif
42
43// in some ppc64 linux installations, only the second condition is met
44#if (defined __linux)
45#undef KMP_OS_LINUX
46#define KMP_OS_LINUX 1
47#elif (defined __linux__)
48#undef KMP_OS_LINUX
49#define KMP_OS_LINUX 1
50#elif defined(__EMSCRIPTEN__)
51#undef KMP_OS_LINUX
52#undef KMP_OS_EMSCRIPTEN
53#define KMP_OS_LINUX 1
54#define KMP_OS_EMSCRIPTEN 1
55#else
56#endif
57
58#if (defined __DragonFly__)
59#undef KMP_OS_DRAGONFLY
60#define KMP_OS_DRAGONFLY 1
61#endif
62
63#if (defined __FreeBSD__)
64#undef KMP_OS_FREEBSD
65#define KMP_OS_FREEBSD 1
66#endif
67
68#if (defined __NetBSD__)
69#undef KMP_OS_NETBSD
70#define KMP_OS_NETBSD 1
71#endif
72
73#if (defined __OpenBSD__)
74#undef KMP_OS_OPENBSD
75#define KMP_OS_OPENBSD 1
76#endif
77
78#if (defined __HAIKU__)
79#undef KMP_OS_HAIKU
80#define KMP_OS_HAIKU 1
81#endif
82
83#if (defined __GNU__)
84#undef KMP_OS_HURD
85#define KMP_OS_HURD 1
86#endif
87
88#if (defined __sun__ && defined __svr4__)
89#undef KMP_OS_SOLARIS
90#define KMP_OS_SOLARIS 1
91#endif
92
93#if (defined __wasi__)
94#undef KMP_OS_WASI
95#define KMP_OS_WASI 1
96#endif
97
98#if (defined _AIX)
99#undef KMP_OS_AIX
100#define KMP_OS_AIX 1
101#endif
102
103#if (1 != KMP_OS_LINUX + KMP_OS_DRAGONFLY + KMP_OS_FREEBSD + KMP_OS_NETBSD + \
104 KMP_OS_OPENBSD + KMP_OS_DARWIN + KMP_OS_WINDOWS + KMP_OS_HAIKU + \
105 KMP_OS_HURD + KMP_OS_SOLARIS + KMP_OS_WASI + KMP_OS_AIX)
106#error Unknown OS
107#endif
108
109#if KMP_OS_LINUX || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || \
110 KMP_OS_OPENBSD || KMP_OS_DARWIN || KMP_OS_HAIKU || KMP_OS_HURD || \
111 KMP_OS_SOLARIS || KMP_OS_WASI || KMP_OS_AIX
112#undef KMP_OS_UNIX
113#define KMP_OS_UNIX 1
114#endif
115
116/* ---------------------- Architecture recognition ------------------- */
117
118#define KMP_ARCH_X86 0
119#define KMP_ARCH_X86_64 0
120#define KMP_ARCH_AARCH64 0
121#define KMP_ARCH_AARCH64_32 0
122#define KMP_ARCH_PPC64_ELFv1 0
123#define KMP_ARCH_PPC64_ELFv2 0
124#define KMP_ARCH_PPC64_XCOFF 0
125#define KMP_ARCH_PPC_XCOFF 0
126#define KMP_ARCH_PPC 0
127#define KMP_ARCH_MIPS 0
128#define KMP_ARCH_MIPS64 0
129#define KMP_ARCH_RISCV64 0
130#define KMP_ARCH_LOONGARCH64 0
131#define KMP_ARCH_VE 0
132#define KMP_ARCH_S390X 0
133#define KMP_ARCH_SPARC 0
134
135#if KMP_OS_WINDOWS
136#if defined(_M_AMD64) || defined(__x86_64)
137#undef KMP_ARCH_X86_64
138#define KMP_ARCH_X86_64 1
139#elif defined(__aarch64__) || defined(_M_ARM64)
140#undef KMP_ARCH_AARCH64
141#define KMP_ARCH_AARCH64 1
142#elif defined(__arm__) || defined(_M_ARM)
143#undef KMP_ARCH_ARMV7
144#define KMP_ARCH_ARMV7 1
145#else
146#undef KMP_ARCH_X86
147#define KMP_ARCH_X86 1
148#endif
149#endif
150
151#if KMP_OS_UNIX
152#if defined __x86_64
153#undef KMP_ARCH_X86_64
154#define KMP_ARCH_X86_64 1
155#elif defined __i386
156#undef KMP_ARCH_X86
157#define KMP_ARCH_X86 1
158#elif defined __powerpc64__
159#if defined(_CALL_ELF)
160#if _CALL_ELF == 2
161#undef KMP_ARCH_PPC64_ELFv2
162#define KMP_ARCH_PPC64_ELFv2 1
163#else
164#undef KMP_ARCH_PPC64_ELFv1
165#define KMP_ARCH_PPC64_ELFv1 1
166#endif
167#elif KMP_OS_AIX
168#undef KMP_ARCH_PPC64_XCOFF
169#define KMP_ARCH_PPC64_XCOFF 1
170#endif
171#elif defined(__powerpc__) && KMP_OS_AIX
172#undef KMP_ARCH_PPC_XCOFF
173#define KMP_ARCH_PPC_XCOFF 1
174#undef KMP_ARCH_PPC
175#define KMP_ARCH_PPC 1
176#elif defined(__powerpc__) && !defined(__LP64__)
177#undef KMP_ARCH_PPC
178#define KMP_ARCH_PPC 1
179#elif defined __ARM64_ARCH_8_32__
180#undef KMP_ARCH_AARCH64_32
181#define KMP_ARCH_AARCH64_32 1
182#elif defined __aarch64__
183#undef KMP_ARCH_AARCH64
184#define KMP_ARCH_AARCH64 1
185#elif defined __mips__
186#if defined __mips64
187#undef KMP_ARCH_MIPS64
188#define KMP_ARCH_MIPS64 1
189#else
190#undef KMP_ARCH_MIPS
191#define KMP_ARCH_MIPS 1
192#endif
193#elif defined __riscv && __riscv_xlen == 64
194#undef KMP_ARCH_RISCV64
195#define KMP_ARCH_RISCV64 1
196#elif defined __loongarch__ && __loongarch_grlen == 64
197#undef KMP_ARCH_LOONGARCH64
198#define KMP_ARCH_LOONGARCH64 1
199#elif defined __ve__
200#undef KMP_ARCH_VE
201#define KMP_ARCH_VE 1
202#elif defined __s390x__
203#undef KMP_ARCH_S390X
204#define KMP_ARCH_S390X 1
205#elif defined __sparc || defined __sparc__
206#undef KMP_ARCH_SPARC
207#define KMP_ARCH_SPARC 1
208#endif
209#endif
210
211#if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7R__) || \
212 defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7VE__)
213#define KMP_ARCH_ARMV7 1
214#endif
215
216#if defined(KMP_ARCH_ARMV7) || defined(__ARM_ARCH_6__) || \
217 defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || \
218 defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6T2__) || \
219 defined(__ARM_ARCH_6ZK__)
220#define KMP_ARCH_ARMV6 1
221#endif
222
223#if defined(KMP_ARCH_ARMV6) || defined(__ARM_ARCH_5T__) || \
224 defined(__ARM_ARCH_5E__) || defined(__ARM_ARCH_5TE__) || \
225 defined(__ARM_ARCH_5TEJ__)
226#define KMP_ARCH_ARMV5 1
227#endif
228
229#if defined(KMP_ARCH_ARMV5) || defined(__ARM_ARCH_4__) || \
230 defined(__ARM_ARCH_4T__)
231#define KMP_ARCH_ARMV4 1
232#endif
233
234#if defined(KMP_ARCH_ARMV4) || defined(__ARM_ARCH_3__) || \
235 defined(__ARM_ARCH_3M__)
236#define KMP_ARCH_ARMV3 1
237#endif
238
239#if defined(KMP_ARCH_ARMV3) || defined(__ARM_ARCH_2__)
240#define KMP_ARCH_ARMV2 1
241#endif
242
243#if defined(KMP_ARCH_ARMV2)
244#define KMP_ARCH_ARM 1
245#endif
246
247#if defined(__wasm32__)
248#define KMP_ARCH_WASM 1
249#endif
250
251#define KMP_ARCH_PPC64 \
252 (KMP_ARCH_PPC64_ELFv2 || KMP_ARCH_PPC64_ELFv1 || KMP_ARCH_PPC64_XCOFF)
253
254#if defined(KMP_ARCH_SPARC)
255#undef KMP_ARCH_SPARC32
256#undef KMP_ARCH_SPARC64
257#if defined(__sparcv9) || defined(__sparc64__)
258#define KMP_ARCH_SPARC64 1
259#endif
260#if defined(__sparc) && !defined(__sparcv9) && !defined(__sparc64__)
261#define KMP_ARCH_SPARC32 1
262#endif
263#endif
264
265#if defined(__MIC__) || defined(__MIC2__)
266#define KMP_MIC 1
267#if __MIC2__ || __KNC__
268#define KMP_MIC1 0
269#define KMP_MIC2 1
270#else
271#define KMP_MIC1 1
272#define KMP_MIC2 0
273#endif
274#else
275#define KMP_MIC 0
276#define KMP_MIC1 0
277#define KMP_MIC2 0
278#endif
279
280/* Specify 32 bit architectures here */
281#define KMP_32_BIT_ARCH \
282 (KMP_ARCH_X86 || KMP_ARCH_ARM || KMP_ARCH_MIPS || KMP_ARCH_WASM || \
283 KMP_ARCH_PPC || KMP_ARCH_AARCH64_32 || KMP_ARCH_SPARC32)
284
285// Platforms which support Intel(R) Many Integrated Core Architecture
286#define KMP_MIC_SUPPORTED \
287 ((KMP_ARCH_X86 || KMP_ARCH_X86_64) && (KMP_OS_LINUX || KMP_OS_WINDOWS))
288
289// TODO: Fixme - This is clever, but really fugly
290#if (1 != KMP_ARCH_X86 + KMP_ARCH_X86_64 + KMP_ARCH_ARM + KMP_ARCH_PPC64 + \
291 KMP_ARCH_AARCH64 + KMP_ARCH_MIPS + KMP_ARCH_MIPS64 + \
292 KMP_ARCH_RISCV64 + KMP_ARCH_LOONGARCH64 + KMP_ARCH_VE + \
293 KMP_ARCH_S390X + KMP_ARCH_WASM + KMP_ARCH_PPC + \
294 KMP_ARCH_AARCH64_32 + KMP_ARCH_SPARC)
295#error Unknown or unsupported architecture
296#endif
297
298#endif // KMP_PLATFORM_H
299

source code of openmp/runtime/src/kmp_platform.h