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Add OpenBSD support to OpenMP

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Summary: This patch permits OpenMP to build and work (with both gcc and clang) on OpenBSD. It mostly follows what was done for FreeBSD and NetBSD, except OpenBSD does not have pthread_getattr_np support, so it follows OS X in that one instance.

Reviewers: #openmp, krytarowski

Reviewed By: krytarowski

Subscribers: guansong, jfb, emaste, mgorny, krytarowski, #openmp

Tags: #openmp

Differential Revision: https://reviews.llvm.org/D34280

llvm-svn: 348726
This commit is contained in:
Kamil Rytarowski 2018-12-09 16:46:48 +00:00
parent a56ac949ec
commit 7e1ea993e0
5 changed files with 22 additions and 11 deletions
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4
openmp/runtime/src/kmp.h
View File

@ -1058,6 +1058,10 @@ extern kmp_uint64 __kmp_now_nsec();
/* TODO: tune for KMP_OS_HURD */
#define KMP_INIT_WAIT 1024U /* initial number of spin-tests */
#define KMP_NEXT_WAIT 512U /* susequent number of spin-tests */
#elif KMP_OS_OPENBSD
/* TODO: tune for KMP_OS_OPENBSD */
#define KMP_INIT_WAIT 1024U /* initial number of spin-tests */
#define KMP_NEXT_WAIT 512U /* susequent number of spin-tests */
#endif
#if KMP_ARCH_X86 || KMP_ARCH_X86_64

10
openmp/runtime/src/kmp_platform.h
View File

@ -20,6 +20,7 @@
#define KMP_OS_DRAGONFLY 0
#define KMP_OS_FREEBSD 0
#define KMP_OS_NETBSD 0
#define KMP_OS_OPENBSD 0
#define KMP_OS_DARWIN 0
#define KMP_OS_WINDOWS 0
#define KMP_OS_CNK 0
@ -61,6 +62,11 @@
#define KMP_OS_NETBSD 1
#endif
#if (defined __OpenBSD__)
#undef KMP_OS_OPENBSD
#define KMP_OS_OPENBSD 1
#endif
#if (defined __bgq__)
#undef KMP_OS_CNK
#define KMP_OS_CNK 1
@ -73,12 +79,12 @@
#if (1 != \
KMP_OS_LINUX + KMP_OS_DRAGONFLY + KMP_OS_FREEBSD + KMP_OS_NETBSD + \
KMP_OS_DARWIN + KMP_OS_WINDOWS + KMP_OS_HURD)
KMP_OS_OPENBSD + KMP_OS_DARWIN + KMP_OS_WINDOWS + KMP_OS_HURD)
#error Unknown OS
#endif
#if KMP_OS_LINUX || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || \
KMP_OS_DARWIN || KMP_OS_HURD
KMP_OS_OPENBSD || KMP_OS_DARWIN || KMP_OS_HURD
#undef KMP_OS_UNIX
#define KMP_OS_UNIX 1
#endif

4
openmp/runtime/src/kmp_runtime.cpp
View File

@ -7671,7 +7671,7 @@ __kmp_determine_reduction_method(
#if KMP_ARCH_X86_64 || KMP_ARCH_PPC64 || KMP_ARCH_AARCH64 || KMP_ARCH_MIPS64
#if KMP_OS_LINUX || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || \
KMP_OS_WINDOWS || KMP_OS_DARWIN || KMP_OS_HURD
KMP_OS_OPENBSD || KMP_OS_WINDOWS || KMP_OS_DARWIN || KMP_OS_HURD
int teamsize_cutoff = 4;
@ -7695,7 +7695,7 @@ __kmp_determine_reduction_method(
#else
#error "Unknown or unsupported OS"
#endif // KMP_OS_LINUX || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD \
// || KMP_OS_WINDOWS || KMP_OS_DARWIN
// || KMP_OS_OPENBSD || KMP_OS_WINDOWS || KMP_OS_DARWIN || KMP_OS_HURD
#elif KMP_ARCH_X86 || KMP_ARCH_ARM || KMP_ARCH_AARCH || KMP_ARCH_MIPS

2
openmp/runtime/src/kmp_wrapper_malloc.h
View File

@ -94,7 +94,7 @@
#if KMP_OS_WINDOWS
#include <malloc.h> // Windows* OS: _alloca() declared in "malloc.h".
#define alloca _alloca // Allow to use alloca() with no underscore.
#elif KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD
#elif KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || KMP_OS_OPENBSD
// Declared in "stdlib.h".
#elif KMP_OS_UNIX
#include <alloca.h> // Linux* OS and OS X*: alloc() declared in "alloca".

13
openmp/runtime/src/z_Linux_util.cpp
View File

@ -22,7 +22,7 @@
#include "kmp_wait_release.h"
#include "kmp_wrapper_getpid.h"
#if !KMP_OS_DRAGONFLY && !KMP_OS_FREEBSD && !KMP_OS_NETBSD
#if !KMP_OS_DRAGONFLY && !KMP_OS_FREEBSD && !KMP_OS_NETBSD && !KMP_OS_OPENBSD
#include <alloca.h>
#endif
#include <math.h> // HUGE_VAL.
@ -499,7 +499,7 @@ static void *__kmp_launch_worker(void *thr) {
#endif /* KMP_BLOCK_SIGNALS */
void *exit_val;
#if KMP_OS_LINUX || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || \
KMP_OS_HURD
KMP_OS_OPENBSD || KMP_OS_HURD
void *volatile padding = 0;
#endif
int gtid;
@ -547,7 +547,8 @@ static void *__kmp_launch_worker(void *thr) {
KMP_CHECK_SYSFAIL("pthread_sigmask", status);
#endif /* KMP_BLOCK_SIGNALS */
#if KMP_OS_LINUX || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD
#if KMP_OS_LINUX || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || \
KMP_OS_OPENBSD
if (__kmp_stkoffset > 0 && gtid > 0) {
padding = KMP_ALLOCA(gtid * __kmp_stkoffset);
}
@ -1768,7 +1769,7 @@ static int __kmp_get_xproc(void) {
int r = 0;
#if KMP_OS_LINUX || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || \
KMP_OS_HURD
KMP_OS_OPENBSD || KMP_OS_HURD
r = sysconf(_SC_NPROCESSORS_ONLN);
@ -2014,9 +2015,9 @@ int __kmp_is_address_mapped(void *addr) {
found = 1;
}
#elif KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD
#elif KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || KMP_OS_OPENBSD
// FIXME(DragonFly, FreeBSD, NetBSD): Implement this
// FIXME(DragonFly, FreeBSD, NetBSD, OpenBSD): Implement this
found = 1;
#else