sys: describe new pkey_* syscalls

1 files changed, 8 insertions, 2 deletions

diff --git a/sys/sys.txt b/sys/sys.txt
index 6e0edada6..84ea02d56 100644
--- a/sys/sys.txt
+++ b/sys/sys.txt
@@ -163,6 +163,12 @@ memfd_create(name ptr[in, string], flags flags[memfd_flags]) fd
 unshare(flags flags[clone_flags])
 kcmp(pid1 pid, pid2 pid, type flags[kcmp_flags], fd1 fd, fd2 fd)
 
+resource pkey[int32]: 0xffffffffffffffff
+pkey_alloc(flags const[0], val flags[pkey_flags]) pkey
+pkey_free(key pkey)
+pkey_mprotect(addr vma, len len[addr], prot flags[mmap_prot], key pkey)
+pkey_flags = PKEY_DISABLE_ACCESS, PKEY_DISABLE_WRITE
+
 futex(addr ptr[in, int32], op flags[futex_op], val intptr, timeout ptr[in, timespec], addr2 ptr[in, int32], val3 intptr)
 set_robust_list(head ptr[in, robust_list], len len[head])
 get_robust_list(pid pid, head ptr[in, ptr[out, robust_list]], len ptr[inout, len[head, intptr]])
@@ -1100,13 +1106,13 @@ uffdio_zeropage {
 
 
 
-open_flags = O_RDONLY, O_WRONLY, O_RDWR, O_APPEND, FASYNC, O_CLOEXEC, O_CREAT, O_DIRECT, O_DIRECTORY, O_EXCL, O_LARGEFILE, O_NOATIME, O_NOCTTY, O_NOFOLLOW, O_NONBLOCK, O_PATH, O_SYNC, O_TRUNC
+open_flags = O_RDONLY, O_WRONLY, O_RDWR, O_APPEND, FASYNC, O_CLOEXEC, O_CREAT, O_DIRECT, O_DIRECTORY, O_EXCL, O_LARGEFILE, O_NOATIME, O_NOCTTY, O_NOFOLLOW, O_NONBLOCK, O_PATH, O_SYNC, O_TRUNC, __O_TMPFILE
 open_mode = S_IRUSR, S_IWUSR, S_IXUSR, S_IRGRP, S_IWGRP, S_IXGRP, S_IROTH, S_IWOTH, S_IXOTH
 madvise_flags = MADV_NORMAL, MADV_RANDOM, MADV_SEQUENTIAL, MADV_WILLNEED, MADV_DONTNEED, MADV_REMOVE, MADV_DONTFORK, MADV_DOFORK, MADV_HWPOISON, MADV_SOFT_OFFLINE, MADV_MERGEABLE, MADV_UNMERGEABLE, MADV_HUGEPAGE, MADV_NOHUGEPAGE, MADV_DONTDUMP, MADV_DODUMP
 fadvise_flags = POSIX_FADV_NORMAL, POSIX_FADV_SEQUENTIAL, POSIX_FADV_RANDOM, POSIX_FADV_NOREUSE, POSIX_FADV_WILLNEED, POSIX_FADV_DONTNEED
 move_pages_flags = MPOL_MF_MOVE, MPOL_MF_MOVE_ALL
 msync_flags = MS_ASYNC, MS_SYNC, MS_INVALIDATE
-mmap_prot = PROT_EXEC, PROT_READ, PROT_WRITE
+mmap_prot = PROT_EXEC, PROT_READ, PROT_WRITE, PROT_SEM, PROT_GROWSDOWN, PROT_GROWSUP
 mmap_flags = MAP_SHARED, MAP_PRIVATE, MAP_32BIT, MAP_ANONYMOUS, MAP_DENYWRITE, MAP_EXECUTABLE, MAP_FILE, MAP_FIXED, MAP_GROWSDOWN, MAP_HUGETLB, MAP_LOCKED, MAP_NONBLOCK, MAP_NORESERVE, MAP_POPULATE, MAP_STACK, MAP_UNINITIALIZED
 mremap_flags = MREMAP_MAYMOVE, MREMAP_FIXED
 mbind_mode = MPOL_DEFAULT, MPOL_BIND, MPOL_INTERLEAVE, MPOL_PREFERRED, MPOL_F_STATIC_NODES, MPOL_F_RELATIVE_NODES