Function VM_Call

code/client/vmachine.cpp:35–49

============================================================== VIRTUAL MACHINE ============================================================== */

==============================================================
*/
intptr_t	VM_Call( int callnum, ... )
{
	intptr_t args[8] = { 0 };
	va_list ap;

	if ( cgvm.entryPoint ) {
		va_start( ap, callnum );
		for ( size_t i = 0; i < ARRAY_LEN( args ); i++ )
			args[i] = va_arg( ap, intptr_t );
		va_end(ap);

		return cgvm.entryPoint( callnum,  args[0], args[1], args[2], args[3], args[4],  args[5],  args[6], args[7] );
	}
	return -1;
}

// The syscall mechanism relies on stack manipulation to get it's args.
// This is likely due to C's inability to pass "..." parameters to a function in one clean chunk.