xref: /openbsd-src/gnu/llvm/compiler-rt/lib/profile/WindowsMMap.h (revision d89ec533011f513df1010f142a111086a0785f09)
13cab2bb3Spatrick /*===- WindowsMMap.h - Support library for PGO instrumentation ------------===*\
23cab2bb3Spatrick |*
33cab2bb3Spatrick |* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
43cab2bb3Spatrick |* See https://llvm.org/LICENSE.txt for license information.
53cab2bb3Spatrick |* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
63cab2bb3Spatrick |*
73cab2bb3Spatrick \*===----------------------------------------------------------------------===*/
83cab2bb3Spatrick 
93cab2bb3Spatrick #ifndef PROFILE_INSTRPROFILING_WINDOWS_MMAP_H
103cab2bb3Spatrick #define PROFILE_INSTRPROFILING_WINDOWS_MMAP_H
113cab2bb3Spatrick 
123cab2bb3Spatrick #if defined(_WIN32)
133cab2bb3Spatrick 
143cab2bb3Spatrick #include <basetsd.h>
153cab2bb3Spatrick #include <io.h>
163cab2bb3Spatrick #include <sys/types.h>
173cab2bb3Spatrick 
183cab2bb3Spatrick /*
193cab2bb3Spatrick  * mmap() flags
203cab2bb3Spatrick  */
213cab2bb3Spatrick #define PROT_READ     0x1
223cab2bb3Spatrick #define PROT_WRITE    0x2
233cab2bb3Spatrick #define PROT_EXEC     0x0
243cab2bb3Spatrick 
253cab2bb3Spatrick #define MAP_FILE      0x00
263cab2bb3Spatrick #define MAP_SHARED    0x01
273cab2bb3Spatrick #define MAP_PRIVATE   0x02
283cab2bb3Spatrick #define MAP_ANONYMOUS 0x20
293cab2bb3Spatrick #define MAP_ANON      MAP_ANONYMOUS
303cab2bb3Spatrick #define MAP_FAILED    ((void *) -1)
313cab2bb3Spatrick 
323cab2bb3Spatrick /*
333cab2bb3Spatrick  * msync() flags
343cab2bb3Spatrick  */
353cab2bb3Spatrick #define MS_ASYNC        0x0001  /* return immediately */
363cab2bb3Spatrick #define MS_INVALIDATE   0x0002  /* invalidate all cached data */
373cab2bb3Spatrick #define MS_SYNC         0x0010  /* msync synchronously */
383cab2bb3Spatrick 
393cab2bb3Spatrick /*
40*d89ec533Spatrick  * madvise() flags
41*d89ec533Spatrick  */
42*d89ec533Spatrick 
43*d89ec533Spatrick #define MADV_NORMAL     0   /* no special treatment */
44*d89ec533Spatrick #define MADV_WILLNEED   3   /* expect access in the near future */
45*d89ec533Spatrick #define MADV_DONTNEED   4   /* do not expect access in the near future */
46*d89ec533Spatrick 
47*d89ec533Spatrick /*
483cab2bb3Spatrick  * flock() operations
493cab2bb3Spatrick  */
503cab2bb3Spatrick #define   LOCK_SH   1    /* shared lock */
513cab2bb3Spatrick #define   LOCK_EX   2    /* exclusive lock */
523cab2bb3Spatrick #define   LOCK_NB   4    /* don't block when locking */
533cab2bb3Spatrick #define   LOCK_UN   8    /* unlock */
543cab2bb3Spatrick 
553cab2bb3Spatrick #ifdef __USE_FILE_OFFSET64
563cab2bb3Spatrick # define DWORD_HI(x) (x >> 32)
573cab2bb3Spatrick # define DWORD_LO(x) ((x) & 0xffffffff)
583cab2bb3Spatrick #else
593cab2bb3Spatrick # define DWORD_HI(x) (0)
603cab2bb3Spatrick # define DWORD_LO(x) (x)
613cab2bb3Spatrick #endif
623cab2bb3Spatrick 
633cab2bb3Spatrick void *mmap(void *start, size_t length, int prot, int flags, int fd,
643cab2bb3Spatrick            off_t offset);
653cab2bb3Spatrick 
663cab2bb3Spatrick void munmap(void *addr, size_t length);
673cab2bb3Spatrick 
683cab2bb3Spatrick int msync(void *addr, size_t length, int flags);
693cab2bb3Spatrick 
70*d89ec533Spatrick int madvise(void *addr, size_t length, int advice);
71*d89ec533Spatrick 
723cab2bb3Spatrick int flock(int fd, int operation);
733cab2bb3Spatrick 
743cab2bb3Spatrick #endif /* _WIN32 */
753cab2bb3Spatrick 
763cab2bb3Spatrick #endif /* PROFILE_INSTRPROFILING_WINDOWS_MMAP_H */
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