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syscall: don't use deprecated syscalls on linux/arm64

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Reimplement syscall wrappers for linux/arm64 in terms of supported
syscalls (or in case of Ustat make it return ENOSYS) and remove the
manually added SYS_* consts for the deprecated syscalls. Adapted from
golang.org/x/sys/unix where this is already done since CL 119655.

Change-Id: I94ab48a4645924df3822497d0575f1a1573d509f
Reviewed-on: https://go-review.googlesource.com/c/go/+/199140
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Tobias Klauser 2019-10-05 13:44:36 +02:00 • committed by Tobias Klauser
parent 6ec4c71eef
commit cedb561617
32 changed files with 965 additions and 843 deletions
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14
src/syscall/syscall_linux.go
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@ -174,8 +174,6 @@ func Unlinkat(dirfd int, path string) error {
return unlinkat(dirfd, path, 0)
}
//sys utimes(path string, times *[2]Timeval) (err error)
func Utimes(path string, tv []Timeval) (err error) {
if len(tv) != 2 {
return EINVAL
@ -203,17 +201,11 @@ func UtimesNano(path string, ts []Timespec) (err error) {
return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
}
//sys futimesat(dirfd int, path *byte, times *[2]Timeval) (err error)
func Futimesat(dirfd int, path string, tv []Timeval) (err error) {
if len(tv) != 2 {
return EINVAL
}
pathp, err := BytePtrFromString(path)
if err != nil {
return err
}
return futimesat(dirfd, pathp, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
return futimesat(dirfd, path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
}
func Futimes(fd int, tv []Timeval) (err error) {
@ -908,7 +900,6 @@ func Mount(source string, target string, fstype string, flags uintptr, data stri
//sys Close(fd int) (err error)
//sys Dup(oldfd int) (fd int, err error)
//sys Dup3(oldfd int, newfd int, flags int) (err error)
//sysnb EpollCreate(size int) (fd int, err error)
//sysnb EpollCreate1(flag int) (fd int, err error)
//sysnb EpollCtl(epfd int, op int, fd int, event *EpollEvent) (err error)
//sys Fallocate(fd int, mode uint32, off int64, len int64) (err error)
@ -942,7 +933,6 @@ func Getpgrp() (pid int) {
//sys Mkdirat(dirfd int, path string, mode uint32) (err error)
//sys Mknodat(dirfd int, path string, mode uint32, dev int) (err error)
//sys Nanosleep(time *Timespec, leftover *Timespec) (err error)
//sys Pause() (err error)
//sys PivotRoot(newroot string, putold string) (err error) = SYS_PIVOT_ROOT
//sysnb prlimit(pid int, resource int, newlimit *Rlimit, old *Rlimit) (err error) = SYS_PRLIMIT64
//sys read(fd int, p []byte) (n int, err error)
@ -977,8 +967,6 @@ func Setgid(gid int) (err error) {
//sysnb Uname(buf *Utsname) (err error)
//sys Unmount(target string, flags int) (err error) = SYS_UMOUNT2
//sys Unshare(flags int) (err error)
//sys Ustat(dev int, ubuf *Ustat_t) (err error)
//sys Utime(path string, buf *Utimbuf) (err error)
//sys write(fd int, p []byte) (n int, err error)
//sys exitThread(code int) (err error) = SYS_EXIT
//sys readlen(fd int, p *byte, np int) (n int, err error) = SYS_READ