1 files changed, 157 insertions, 0 deletions
diff --git a/libc-top-half/musl/include/sys/mman.h b/libc-top-half/musl/include/sys/mman.h
new file mode 100644
index 0000000..335ba2d
--- /dev/null
+++ b/libc-top-half/musl/include/sys/mman.h
@@ -0,0 +1,157 @@
+#ifndef _WASI_EMULATED_MMAN
+#error "WASI lacks a true mmap; to enable minimal mmap emulation, \
+compile with -D_WASI_EMULATED_MMAN and link with -lwasi-emulated-mman"
+#else
+#ifndef	_SYS_MMAN_H
+#define	_SYS_MMAN_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <features.h>
+
+#define __NEED_mode_t
+#define __NEED_size_t
+#define __NEED_off_t
+
+#if defined(_GNU_SOURCE)
+#define __NEED_ssize_t
+#endif
+
+#include <bits/alltypes.h>
+
+#define MAP_FAILED ((void *) -1)
+
+#define MAP_SHARED     0x01
+#define MAP_PRIVATE    0x02
+#define MAP_SHARED_VALIDATE 0x03
+#define MAP_TYPE       0x0f
+#define MAP_FIXED      0x10
+#define MAP_ANON       0x20
+#define MAP_ANONYMOUS  MAP_ANON
+#define MAP_NORESERVE  0x4000
+#define MAP_GROWSDOWN  0x0100
+#define MAP_DENYWRITE  0x0800
+#define MAP_EXECUTABLE 0x1000
+#define MAP_LOCKED     0x2000
+#define MAP_POPULATE   0x8000
+#define MAP_NONBLOCK   0x10000
+#define MAP_STACK      0x20000
+#define MAP_HUGETLB    0x40000
+#define MAP_SYNC       0x80000
+#define MAP_FIXED_NOREPLACE 0x100000
+#define MAP_FILE       0
+
+#define MAP_HUGE_SHIFT 26
+#define MAP_HUGE_MASK  0x3f
+#define MAP_HUGE_16KB  (14 << 26)
+#define MAP_HUGE_64KB  (16 << 26)
+#define MAP_HUGE_512KB (19 << 26)
+#define MAP_HUGE_1MB   (20 << 26)
+#define MAP_HUGE_2MB   (21 << 26)
+#define MAP_HUGE_8MB   (23 << 26)
+#define MAP_HUGE_16MB  (24 << 26)
+#define MAP_HUGE_32MB  (25 << 26)
+#define MAP_HUGE_256MB (28 << 26)
+#define MAP_HUGE_512MB (29 << 26)
+#define MAP_HUGE_1GB   (30 << 26)
+#define MAP_HUGE_2GB   (31 << 26)
+#define MAP_HUGE_16GB  (34U << 26)
+
+#define PROT_NONE      0
+#define PROT_READ      1
+#define PROT_WRITE     2
+#define PROT_EXEC      4
+#define PROT_GROWSDOWN 0x01000000
+#define PROT_GROWSUP   0x02000000
+
+#define MS_ASYNC       1
+#define MS_INVALIDATE  2
+#define MS_SYNC        4
+
+#define MCL_CURRENT    1
+#define MCL_FUTURE     2
+#define MCL_ONFAULT    4
+
+#define POSIX_MADV_NORMAL     0
+#define POSIX_MADV_RANDOM     1
+#define POSIX_MADV_SEQUENTIAL 2
+#define POSIX_MADV_WILLNEED   3
+#define POSIX_MADV_DONTNEED   4
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define MADV_NORMAL      0
+#define MADV_RANDOM      1
+#define MADV_SEQUENTIAL  2
+#define MADV_WILLNEED    3
+#define MADV_DONTNEED    4
+#define MADV_FREE        8
+#define MADV_REMOVE      9
+#define MADV_DONTFORK    10
+#define MADV_DOFORK      11
+#define MADV_MERGEABLE   12
+#define MADV_UNMERGEABLE 13
+#define MADV_HUGEPAGE    14
+#define MADV_NOHUGEPAGE  15
+#define MADV_DONTDUMP    16
+#define MADV_DODUMP      17
+#define MADV_WIPEONFORK  18
+#define MADV_KEEPONFORK  19
+#define MADV_COLD        20
+#define MADV_PAGEOUT     21
+#define MADV_HWPOISON    100
+#define MADV_SOFT_OFFLINE 101
+#endif
+
+#ifdef _GNU_SOURCE
+#define MREMAP_MAYMOVE 1
+#define MREMAP_FIXED 2
+#define MREMAP_DONTUNMAP 4
+
+#define MLOCK_ONFAULT 0x01
+
+#define MFD_CLOEXEC 0x0001U
+#define MFD_ALLOW_SEALING 0x0002U
+#define MFD_HUGETLB 0x0004U
+#endif
+
+#include <bits/mman.h>
+
+void *mmap (void *, size_t, int, int, int, off_t);
+int munmap (void *, size_t);
+
+int mprotect (void *, size_t, int);
+int msync (void *, size_t, int);
+
+int posix_madvise (void *, size_t, int);
+
+int mlock (const void *, size_t);
+int munlock (const void *, size_t);
+int mlockall (int);
+int munlockall (void);
+
+#ifdef _GNU_SOURCE
+void *mremap (void *, size_t, size_t, int, ...);
+int remap_file_pages (void *, size_t, int, size_t, int);
+int memfd_create (const char *, unsigned);
+int mlock2 (const void *, size_t, unsigned);
+#endif
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+int madvise (void *, size_t, int);
+int mincore (void *, size_t, unsigned char *);
+#endif
+
+int shm_open (const char *, int, mode_t);
+int shm_unlink (const char *);
+
+#if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)
+#define mmap64 mmap
+#define off64_t off_t
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+#endif
+#endif