Update mkwinsyscall and make stand alone tool (#248)

* Add latest mkwinsyscall file

Copied file from:
https://github.com/golang/sys/blob/bc2c85ada10aa9b6aa9607e9ac9ad0761b95cf1d/windows/mkwinsyscall/mkwinsyscall.go

Signed-off-by: Hamza El-Saawy <hamzaelsaawy@microsoft.com>

* Update to match hcsshim mksyscall_windows

Added hr error return type, cmdline flags for winio import, utf16, and
sorting.

Generated file has build constrain comment.

Input files can be specified with a glob pattern.

Signed-off-by: Hamza El-Saawy <hamzaelsaawy@microsoft.com>

* PR: update comment, use glob

Signed-off-by: Hamza El-Saawy <hamzaelsaawy@microsoft.com>

pkg/process/syscall.go

@@ -1,3 +1,4 @@
+//go:build windows
 // +build windows
 
 package process
@@ -6,7 +7,7 @@ import (
 	"golang.org/x/sys/windows"
 )
 
-//go:generate go run golang.org/x/sys/windows/mkwinsyscall -output zsyscall_windows.go syscall.go
+//go:generate go run github.com/Microsoft/go-winio/tools/mkwinsyscall -output zsyscall_windows.go syscall.go
 
 //sys enumProcesses(pids *uint32, bufferSize uint32, retBufferSize *uint32) (err error) = kernel32.K32EnumProcesses
 //sys getProcessMemoryInfo(process handle, memCounters *ProcessMemoryCountersEx, size uint32) (err error) = kernel32.K32GetProcessMemoryInfo

pkg/process/zsyscall_windows.go

@@ -1,4 +1,6 @@
-// Code generated by 'go generate'; DO NOT EDIT.
+//go:build windows
+
+// Code generated by 'go generate' using "github.com/Microsoft/go-winio/tools/mkwinsyscall"; DO NOT EDIT.
 
 package process