ptrace single-stepping change breaks Wine

[Davide Libenzi]

On Sun, 21 Nov 2004, Linus Torvalds wrote:

> 	void handler(int signo)
> 	{
> 		extern char smc;
> 		smc++;
> 	}
> 
> 		asm volatile("\nsmc:\n\t"
> 			".byte 0xb7\n\t"
> 			".long function"
> 			:"=d" (fnp));
> 		fnp();

You know you're sick, don't you? Making traps inc's to get you in the 
correct opcode to move function in edx->fnp, is indeed fruit of a sick 
mind :=)



- Davide