architecture_windows.go

// +build windows

package architecture

import (
	"bytes"
	"errors"
	"io/ioutil"
	"syscall"
	"unsafe"
)

// TODO: From the SYSTEM_INFO struct, we wish to extract `wProcessorArchitecture`
// https://msdn.microsoft.com/en-us/library/windows/desktop/ms724958(v=vs.85).aspx
type SYSTEM_INFO struct {
	// This is the first member of the union
	OemId uint32
	// These are the second member of the union
	//      ProcessorArchitecture uint16;
	//      Reserved uint16;
	PageSize                  uint32
	MinimumApplicationAddress uintptr
	MaximumApplicationAddress uintptr
	ActiveProcessorMask       *uint32
	NumberOfProcessors        uint32
	ProcessorType             uint32
	AllocationGranularity     uint32
	ProcessorLevel            uint16
	ProcessorRevision         uint16
}

var (
	getSystemInfo = syscall.MustLoadDLL("kernel32.dll").MustFindProc("GetSystemInfo")
)

// GetArchitecture returns the name of the runtime architecture.
func GetArchitecture() (string, error) {
	// TODO: Implement architecture detection
	// See pkg/parsers/operatingsystem/operatingsystem_windows.go for example.
	// See https://msdn.microsoft.com/en-us/library/windows/desktop/ms724340(v=vs.85).aspx
	// for system call detail.
	return "", errors.New("Cannot detect architecture")

	ret := "Unknown Architecture"

	var si SYSTEM_INFO
	getSystemInfo(uintptr(unsafe.Pointer(&si)))
	fmt.Printf("SYSTEM_INFO=%+v\n", si)

	// TODO: Use si.ProcessorArchitecture to look up values in a table
	return ret, nil
}