b.addMappingEntry(
			uint64(module.ModBaseAddr),
			uint64(module.ModBaseAddr)+uint64(module.ModBaseSize),
			0,
			exe,
			peBuildID(exe),
			false,
		)
		err = windows.Module32Next(snap, &module)
	}
}

func readMainModuleMapping() (start, end uint64, exe, buildID string, err error) {
	exe, err = os.Executable()
	if err != nil {
		return 0, 0, "", "", err
	}

}

const SizeofModuleEntry32 = unsafe.Sizeof(ModuleEntry32{})

//sys	Module32First(snapshot syscall.Handle, moduleEntry *ModuleEntry32) (err error) = kernel32.Module32FirstW
//sys	Module32Next(snapshot syscall.Handle, moduleEntry *ModuleEntry32) (err error) = kernel32.Module32NextW

const (
	WSA_FLAG_OVERLAPPED        = 0x01
	WSA_FLAG_NO_HANDLE_INHERIT = 0x80

	WSAEINVAL       syscall.Errno = 10022

	r1, _, e1 := syscall.Syscall(procModule32FirstW.Addr(), 2, uintptr(snapshot), uintptr(unsafe.Pointer(moduleEntry)), 0)
	if r1 == 0 {
		err = errnoErr(e1)
	}
	return
}

func Module32Next(snapshot syscall.Handle, moduleEntry *ModuleEntry32) (err error) {
	r1, _, e1 := syscall.Syscall(procModule32NextW.Addr(), 2, uintptr(snapshot), uintptr(unsafe.Pointer(moduleEntry)), 0)
	if r1 == 0 {
		err = errnoErr(e1)

//sys	Module32First(snapshot Handle, moduleEntry *ModuleEntry32) (err error) = kernel32.Module32FirstW
//sys	Module32Next(snapshot Handle, moduleEntry *ModuleEntry32) (err error) = kernel32.Module32NextW
//sys	Process32First(snapshot Handle, procEntry *ProcessEntry32) (err error) = kernel32.Process32FirstW

	r1, _, e1 := syscall.Syscall(procModule32FirstW.Addr(), 2, uintptr(snapshot), uintptr(unsafe.Pointer(moduleEntry)), 0)
	if r1 == 0 {
		err = errnoErr(e1)
	}
	return
}

func Module32Next(snapshot Handle, moduleEntry *ModuleEntry32) (err error) {
	r1, _, e1 := syscall.Syscall(procModule32NextW.Addr(), 2, uintptr(snapshot), uintptr(unsafe.Pointer(moduleEntry)), 0)
	if r1 == 0 {
		err = errnoErr(e1)
	}