diff options
Diffstat (limited to 'pkg/sentry/syscalls/linux/sys_mmap.go')
| -rw-r--r-- | pkg/sentry/syscalls/linux/sys_mmap.go | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/pkg/sentry/syscalls/linux/sys_mmap.go b/pkg/sentry/syscalls/linux/sys_mmap.go index cd8dfdfa4..70da0707d 100644 --- a/pkg/sentry/syscalls/linux/sys_mmap.go +++ b/pkg/sentry/syscalls/linux/sys_mmap.go @@ -23,7 +23,8 @@ import ( "gvisor.dev/gvisor/pkg/sentry/memmap" "gvisor.dev/gvisor/pkg/sentry/mm" "gvisor.dev/gvisor/pkg/syserror" - "gvisor.dev/gvisor/pkg/usermem" + + "gvisor.dev/gvisor/pkg/hostarch" ) // Brk implements linux syscall brk(2). @@ -61,12 +62,12 @@ func Mmap(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.SyscallC Unmap: fixed, Map32Bit: map32bit, Private: private, - Perms: usermem.AccessType{ + Perms: hostarch.AccessType{ Read: linux.PROT_READ&prot != 0, Write: linux.PROT_WRITE&prot != 0, Execute: linux.PROT_EXEC&prot != 0, }, - MaxPerms: usermem.AnyAccess, + MaxPerms: hostarch.AnyAccess, GrowsDown: linux.MAP_GROWSDOWN&flags != 0, Precommit: linux.MAP_POPULATE&flags != 0, } @@ -160,7 +161,7 @@ func Mremap(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Syscal func Mprotect(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.SyscallControl, error) { length := args[1].Uint64() prot := args[2].Int() - err := t.MemoryManager().MProtect(args[0].Pointer(), length, usermem.AccessType{ + err := t.MemoryManager().MProtect(args[0].Pointer(), length, hostarch.AccessType{ Read: linux.PROT_READ&prot != 0, Write: linux.PROT_WRITE&prot != 0, Execute: linux.PROT_EXEC&prot != 0, @@ -183,7 +184,7 @@ func Madvise(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Sysca return 0, nil, nil } // Not explicitly stated: length need not be page-aligned. - lenAddr, ok := usermem.Addr(length).RoundUp() + lenAddr, ok := hostarch.Addr(length).RoundUp() if !ok { return 0, nil, syserror.EINVAL } @@ -232,7 +233,7 @@ func Mincore(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Sysca // "The length argument need not be a multiple of the page size, but since // residency information is returned for whole pages, length is effectively // rounded up to the next multiple of the page size." - mincore(2) - la, ok := usermem.Addr(length).RoundUp() + la, ok := hostarch.Addr(length).RoundUp() if !ok { return 0, nil, syserror.ENOMEM } @@ -247,7 +248,7 @@ func Mincore(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Sysca if mapped != uint64(la) { return 0, nil, syserror.ENOMEM } - resident := bytes.Repeat([]byte{1}, int(mapped/usermem.PageSize)) + resident := bytes.Repeat([]byte{1}, int(mapped/hostarch.PageSize)) _, err := t.CopyOutBytes(vec, resident) return 0, nil, err } |