Esempi in C++ (Cpp) per REGS_SP

Esempio n. 1

File: process_kern.c Progetto: FatSunHYS/OSCourseDesign

int copy_thread_skas(int nr, unsigned long clone_flags, unsigned long sp,
		     unsigned long stack_top, struct task_struct * p,
		     struct pt_regs *regs)
{
  	void (*handler)(int);

	if(current->thread.forking){
	  	memcpy(&p->thread.regs.regs.skas, &regs->regs.skas,
		       sizeof(p->thread.regs.regs.skas));
		REGS_SET_SYSCALL_RETURN(p->thread.regs.regs.skas.regs, 0);
		if(sp != 0) REGS_SP(p->thread.regs.regs.skas.regs) = sp;

		handler = fork_handler;

		arch_copy_thread(&current->thread.arch, &p->thread.arch);
	}
	else {
		init_thread_registers(&p->thread.regs.regs);
                p->thread.request.u.thread = current->thread.request.u.thread;
		handler = new_thread_handler;
	}

	new_thread(task_stack_page(p), &p->thread.mode.skas.switch_buf,
		   &p->thread.mode.skas.fork_buf, handler);
	return(0);
}

Esempio n. 2

File: process_kern.c Progetto: GodFox/magx_kernel_xpixl

int copy_thread_skas(int nr, unsigned long clone_flags, unsigned long sp,
		     unsigned long stack_top, struct task_struct * p, 
		     struct pt_regs *regs)
{
  	void (*handler)(int);

	if(current->thread.forking){
	  	memcpy(&p->thread.regs.regs.skas, 
		       &current->thread.regs.regs.skas, 
		       sizeof(p->thread.regs.regs.skas));
		REGS_SET_SYSCALL_RETURN(p->thread.regs.regs.skas.regs, 0);
		if(sp != 0) REGS_SP(p->thread.regs.regs.skas.regs) = sp;

		handler = fork_handler;
	}
	else {
	  	memcpy(p->thread.regs.regs.skas.regs, exec_regs, 
		       sizeof(p->thread.regs.regs.skas.regs));
		memcpy(p->thread.regs.regs.skas.fp, exec_fp_regs, 
		       sizeof(p->thread.regs.regs.skas.fp));
	  	memcpy(p->thread.regs.regs.skas.xfp, exec_fpx_regs, 
		       sizeof(p->thread.regs.regs.skas.xfp));
                p->thread.request.u.thread = current->thread.request.u.thread;
		handler = new_thread_handler;
	}

	new_thread(p->thread_info, &p->thread.mode.skas.switch_buf,
		   &p->thread.mode.skas.fork_buf, handler);
	return(0);
}

Esempio n. 3

int copy_sc_to_user_skas(struct sigcontext *to, struct _fpstate *to_fp,
                         struct pt_regs *regs)
{
  	struct sigcontext sc;
	unsigned long fpregs[HOST_FP_SIZE];
	struct faultinfo * fi = &current->thread.arch.faultinfo;
	int err;

	sc.gs = REGS_GS(regs->regs.skas.regs);
	sc.fs = REGS_FS(regs->regs.skas.regs);
	sc.es = REGS_ES(regs->regs.skas.regs);
	sc.ds = REGS_DS(regs->regs.skas.regs);
	sc.edi = REGS_EDI(regs->regs.skas.regs);
	sc.esi = REGS_ESI(regs->regs.skas.regs);
	sc.ebp = REGS_EBP(regs->regs.skas.regs);
	sc.esp = REGS_SP(regs->regs.skas.regs);
	sc.ebx = REGS_EBX(regs->regs.skas.regs);
	sc.edx = REGS_EDX(regs->regs.skas.regs);
	sc.ecx = REGS_ECX(regs->regs.skas.regs);
	sc.eax = REGS_EAX(regs->regs.skas.regs);
	sc.eip = REGS_IP(regs->regs.skas.regs);
	sc.cs = REGS_CS(regs->regs.skas.regs);
	sc.eflags = REGS_EFLAGS(regs->regs.skas.regs);
	sc.esp_at_signal = regs->regs.skas.regs[UESP];
	sc.ss = regs->regs.skas.regs[SS];
        sc.cr2 = fi->cr2;
        sc.err = fi->error_code;
        sc.trapno = fi->trap_no;

	err = save_fp_registers(userspace_pid[0], fpregs);
	if(err < 0){
	  	printk("copy_sc_to_user_skas - PTRACE_GETFPREGS failed, "
		       "errno = %d\n", err);
		return(1);
	}
	to_fp = (to_fp ? to_fp : (struct _fpstate *) (to + 1));
	sc.fpstate = to_fp;

	if(err)
	  	return(err);

	return(copy_to_user(to, &sc, sizeof(sc)) ||
	       copy_to_user(to_fp, fpregs, sizeof(fpregs)));
}

Esempio n. 4

File: signal.c Progetto: 3sOx/asuswrt-merlin

void copy_sc(union uml_pt_regs *regs, void *from)
{
	struct sigcontext *sc = from;

	REGS_GS(regs->skas.regs) = sc->gs;
	REGS_FS(regs->skas.regs) = sc->fs;
	REGS_ES(regs->skas.regs) = sc->es;
	REGS_DS(regs->skas.regs) = sc->ds;
	REGS_EDI(regs->skas.regs) = sc->edi;
	REGS_ESI(regs->skas.regs) = sc->esi;
	REGS_EBP(regs->skas.regs) = sc->ebp;
	REGS_SP(regs->skas.regs) = sc->esp;
	REGS_EBX(regs->skas.regs) = sc->ebx;
	REGS_EDX(regs->skas.regs) = sc->edx;
	REGS_ECX(regs->skas.regs) = sc->ecx;
	REGS_EAX(regs->skas.regs) = sc->eax;
	REGS_IP(regs->skas.regs) = sc->eip;
	REGS_CS(regs->skas.regs) = sc->cs;
	REGS_EFLAGS(regs->skas.regs) = sc->eflags;
	REGS_SS(regs->skas.regs) = sc->ss;
}

Esempio n. 5

static int copy_sc_from_user_skas(struct pt_regs *regs,
				  struct sigcontext *from)
{
  	struct sigcontext sc;
	unsigned long fpregs[HOST_FP_SIZE];
	int err;

	err = copy_from_user(&sc, from, sizeof(sc));
	err |= copy_from_user(fpregs, sc.fpstate, sizeof(fpregs));
	if(err)
		return(err);

	REGS_GS(regs->regs.skas.regs) = sc.gs;
	REGS_FS(regs->regs.skas.regs) = sc.fs;
	REGS_ES(regs->regs.skas.regs) = sc.es;
	REGS_DS(regs->regs.skas.regs) = sc.ds;
	REGS_EDI(regs->regs.skas.regs) = sc.edi;
	REGS_ESI(regs->regs.skas.regs) = sc.esi;
	REGS_EBP(regs->regs.skas.regs) = sc.ebp;
	REGS_SP(regs->regs.skas.regs) = sc.esp;
	REGS_EBX(regs->regs.skas.regs) = sc.ebx;
	REGS_EDX(regs->regs.skas.regs) = sc.edx;
	REGS_ECX(regs->regs.skas.regs) = sc.ecx;
	REGS_EAX(regs->regs.skas.regs) = sc.eax;
	REGS_IP(regs->regs.skas.regs) = sc.eip;
	REGS_CS(regs->regs.skas.regs) = sc.cs;
	REGS_EFLAGS(regs->regs.skas.regs) = sc.eflags;
	REGS_SS(regs->regs.skas.regs) = sc.ss;

	err = restore_fp_registers(userspace_pid[0], fpregs);
	if(err < 0){
	  	printk("copy_sc_from_user_skas - PTRACE_SETFPREGS failed, "
		       "errno = %d\n", err);
		return(1);
	}

	return(0);
}