Esempio n. 1
0
void switch_to_ctx(struct ctx_s * suivant)
{
	if (current_ctx) 
	{
		getEBP(current_ctx->ebp_b);
		getESP(current_ctx->esp_b);
	}
	current_ctx = suivant;
	liste = current_ctx;
	static short launched =0;
	static func_t * pf;
	static void* params;
	pf = current_ctx->func;
	params = current_ctx->parameters;

	if(!current_ctx->launched)
	{
		current_ctx->launched=1;
		launched =1;
	}
  	setESP(current_ctx->esp_b);
  	setEBP(current_ctx->ebp_b);
        
  	if(launched)
    	{
      		launched = 0;
    		pf(params);
	}
  	return 0;
}
Esempio n. 2
0
/* Entrée pour les appels système SYSENTER */
__attribute__ ((noreturn)) void sysenter_handler(regs *dump)
{
	sti();
	switch (dump->eax)
	{
/* FOR INSERTING */
		default:
			printf("Appel syscall vers fonction inexistante en %Y:%Y", dump->cs, dump->eip);
			break;
	}
      //dump->eflags &= ~(1 << 6);
      dump->eflags |= (1 << 6);
	setESP(dump);
	restcpu_user();
	sysexit();
}