Exemplos de aarch32_break_handler em C++ (Cpp)

Exemplo n.º 1

Arquivo: traps.c Projeto: fromfuture/Elizium

asmlinkage void __exception do_undefinstr(struct pt_regs *regs)
{
	siginfo_t info;
	void __user *pc = (void __user *)instruction_pointer(regs);

	/* check for AArch32 breakpoint instructions */
	if (!aarch32_break_handler(regs))
		return;

	if (call_undef_hook(regs) == 0)
		return;

	if (unhandled_signal(current, SIGILL) && show_unhandled_signals_ratelimited()) {
#ifdef CONFIG_HUAWEI_PRINTK_CTRL
		printk_level_setup(LOGLEVEL_DEBUG);
#endif
		pr_info("%s[%d]: undefined instruction: pc=%p\n",
			current->comm, task_pid_nr(current), pc);
		dump_instr(KERN_INFO, regs);
#ifdef CONFIG_HUAWEI_PRINTK_CTRL
		printk_level_setup(sysctl_printk_level);
#endif
	}

	info.si_signo = SIGILL;
	info.si_errno = 0;
	info.si_code  = ILL_ILLOPC;
	info.si_addr  = pc;

	arm64_notify_die("Oops - undefined instruction", regs, &info, 0);
}

Exemplo n.º 2

Arquivo: traps.c Projeto: Goshin/android_kernel_mediatek

asmlinkage void __exception do_undefinstr(struct pt_regs *regs)
{
	siginfo_t info;
	void __user *pc = (void __user *)instruction_pointer(regs);

	/* check for AArch32 breakpoint instructions */
	if (!aarch32_break_handler(regs))
		return;

	if (call_undef_hook(regs) == 0)
		return;

	if (show_unhandled_signals && unhandled_signal(current, SIGILL) &&
	    printk_ratelimit()) {
		pr_info("%s[%d]: undefined instruction: pc=%p\n",
			current->comm, task_pid_nr(current), pc);
		dump_instr(KERN_INFO, regs);
	}

	info.si_signo = SIGILL;
	info.si_errno = 0;
	info.si_code  = ILL_ILLOPC;
	info.si_addr  = pc;

	arm64_notify_die("Oops - undefined instruction", regs, &info, 0);
}

Exemplo n.º 3

Arquivo: traps.c Projeto: MISL-EBU-System-SW/mainline-public

asmlinkage void __exception do_undefinstr(struct pt_regs *regs)
{
	/* check for AArch32 breakpoint instructions */
	if (!aarch32_break_handler(regs))
		return;

	if (call_undef_hook(regs) == 0)
		return;

	force_signal_inject(SIGILL, ILL_ILLOPC, regs, 0);
}

Exemplo n.º 4

Arquivo: traps.c Projeto: Duiesel/ZTE_Blade_L5

asmlinkage void __exception do_undefinstr(struct pt_regs *regs)
{
	u32 instr;
	siginfo_t info;
	void __user *pc = (void __user *)instruction_pointer(regs);
	struct thread_info *thread = current_thread_info();

	/* check for AArch32 breakpoint instructions */
	if (!aarch32_break_handler(regs))
		return;
	if (user_mode(regs)) {
		if (compat_thumb_mode(regs)) {
			if (get_user(instr, (u16 __user *)pc))
				goto die_sig;
			if (is_wide_instruction(instr)) {
				u32 instr2;
				if (get_user(instr2, (u16 __user *)pc+1))
					goto die_sig;
				instr <<= 16;
				instr |= instr2;
			}
		} else if (get_user(instr, (u32 __user *)pc)) {
			goto die_sig;
		}
	} else {
		/* kernel mode */
		instr = *((u32 *)pc);
	}

	if (call_undef_hook(regs, instr) == 0)
		return;

die_sig:
	if (show_unhandled_signals && unhandled_signal(current, SIGILL) &&
	    printk_ratelimit()) {
		pr_info("%s[%d]: undefined instruction: pc=%p\n",
			current->comm, task_pid_nr(current), pc);
		dump_instr(KERN_INFO, regs);
	}

	info.si_signo = SIGILL;
	info.si_errno = 0;
	info.si_code  = ILL_ILLOPC;
	info.si_addr  = pc;

	arm64_notify_die("Oops - undefined instruction", regs, &info, 0);
}