On Tue, Feb 28, 2006 at 04:04:11PM +0100, Petr Salinger wrote: > Changes for 2nd variant are really small, could you please test them.
Works fine. Thanks again, Petr. > > The definition of argument passing into _startup is in ABI > > since draft 0.94 (January 2005). > > > > %rsp - 16-byte aligned pointer to stack, on top of stack is argc > > %rdx - destructor function or zero for none > > > > It was probably too late for FreeBSD to conform :-( > > > > It uses 8-byte aligned %rdi for argc, %rsp is aligned %rdi. > > All other registers are cleared, but without PCB_FULLCTX, > > some are used internally for context switch. > > > > Other solution without changing FreeBSD sources is to use %rsi > > instead of %rdx. It is cleared also without PCB_FULLCTX. > > It might be better - non-threaded application will work also on stock > > FreeBSD. I'm not well-versed on this, so I'd say that you do as you see more fit (as long as you don't need to change kernel ABI of course). -- Robert Millan -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
