syscall: remove unused ptracePtr on darwin

ptracePtr was introduced in CL 470299 for darwin but it's not used on
this platform. Also, the argument types for addr and data were swapped
in the generated ptrace1Ptr (probably because the change was not
generated but done manually).

For #58387

Change-Id: I429ab0c741e19020d98729c34efabce1d9003f56
Reviewed-on: https://go-review.googlesource.com/c/go/+/526475
Auto-Submit: Tobias Klauser <[email protected]>
Reviewed-by: Ian Lance Taylor <[email protected]>
Reviewed-by: Bryan Mills <[email protected]>
LUCI-TryBot-Result: Go LUCI <[email protected]>

Author: tklauser

src/syscall/ptrace_darwin.go

@@ -6,16 +6,9 @@
 
 package syscall
 
-import "unsafe"
-
 // Nosplit because it is called from forkAndExecInChild.
 //
 //go:nosplit
 func ptrace(request int, pid int, addr uintptr, data uintptr) error {
 	return ptrace1(request, pid, addr, data)
 }
-
-//go:nosplit
-func ptracePtr(request int, pid int, addr unsafe.Pointer, data uintptr) error {
-	return ptrace1Ptr(request, pid, addr, data)
-}

src/syscall/ptrace_ios.go

@@ -6,16 +6,9 @@
 
 package syscall
 
-import "unsafe"
-
 // Nosplit because it is called from forkAndExecInChild.
 //
 //go:nosplit
 func ptrace(request int, pid int, addr uintptr, data uintptr) (err error) {
 	panic("unimplemented")
 }
-
-//go:nosplit
-func ptracePtr(request int, pid int, addr unsafe.Pointer, data uintptr) (err error) {
-	panic("unimplemented")
-}

src/syscall/syscall_darwin_amd64.go

@@ -25,7 +25,6 @@ func setTimeval(sec, usec int64) Timeval {
 //sys	Statfs(path string, stat *Statfs_t) (err error) = SYS_statfs64
 //sys   fstatat(fd int, path string, stat *Stat_t, flags int) (err error) = SYS_fstatat64
 //sys   ptrace1(request int, pid int, addr uintptr, data uintptr) (err error) = SYS_ptrace
-//sys   ptrace1Ptr(request int, pid int, addr unsafe.Pointer, data uintptr) (err error) = SYS_ptrace
 
 func SetKevent(k *Kevent_t, fd, mode, flags int) {
 	k.Ident = uint64(fd)

src/syscall/syscall_darwin_arm64.go

@@ -25,7 +25,6 @@ func setTimeval(sec, usec int64) Timeval {
 //sys	Statfs(path string, stat *Statfs_t) (err error)
 //sys	fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
 //sys	ptrace1(request int, pid int, addr uintptr, data uintptr) (err error) = SYS_ptrace
-//sys	ptrace1Ptr(request int, pid int, addr unsafe.Pointer, data uintptr) (err error) = SYS_ptrace
 
 func SetKevent(k *Kevent_t, fd, mode, flags int) {
 	k.Ident = uint64(fd)