On Wed, 19 May 2021, Corinna Vinschen wrote:
> > +#ifndef IMAGE_FILE_MACHINE_ARM64
> > +#define IMAGE_FILE_MACHINE_ARM64 0xAA64
> > +#endif
>
> IMAGE_FILE_MACHINE_ARM64 is already defined for some time in winnt.h
> so we won't need the ifdef.
OK. Was just matching what was done with PROCESSOR_ARCHITECTURE_ARM64.
> > + typedef BOOL (WINAPI * IsWow64Process2_t)(HANDLE hProcess, USHORT
> > *pProcessMachine, USHORT *pNativeMachine);
> > + IsWow64Process2_t pfnIsWow64Process2 =
> > (IsWow64Process2_t)GetProcAddress(GetModuleHandle("kernel32.dll"),
> > "IsWow64Process2");
> > + if (pfnIsWow64Process2 && pfnIsWow64Process2(GetCurrentProcess(),
> > &procmachine, &nativemachine) && nativemachine == IMAGE_FILE_MACHINE_ARM64)
>
> We're having the autoload mechanism for that, i. e., your patch can get
> rid of the GetModuleHandle/GetProcAddress preliminaries entirely.
>
> By using the LoadDLLfuncEx() expression, failure to load the function
> will result in a return value of FALSE with GetLastError ==
> ERROR_PROC_NOT_FOUND, so this is safe on older systems.
Nice.
> It's easier to understand with a full example, so I took the liberty to
> rewrite your patch accordingly. Since the idea and the basic work is
> yours, I'd push this under your name, see below.
Looks good. Thanks
