C++ (Cpp) print_task_path_n_nm Examples

Example #1

File: troubleshoot.c Project: Anjali05/linux

void show_regs(struct pt_regs *regs)
{
	struct task_struct *tsk = current;
	struct callee_regs *cregs;

	/*
	 * generic code calls us with preemption disabled, but some calls
	 * here could sleep, so re-enable to avoid lockdep splat
	 */
	preempt_enable();

	print_task_path_n_nm(tsk);
	show_regs_print_info(KERN_INFO);

	show_ecr_verbose(regs);

	pr_info("[EFA   ]: 0x%08lx\n[BLINK ]: %pS\n[ERET  ]: %pS\n",
		current->thread.fault_address,
		(void *)regs->blink, (void *)regs->ret);

	if (user_mode(regs))
		show_faulting_vma(regs->ret); /* faulting code, not data */

	pr_info("[STAT32]: 0x%08lx", regs->status32);

#define STS_BIT(r, bit)	r->status32 & STATUS_##bit##_MASK ? #bit" " : ""

#ifdef CONFIG_ISA_ARCOMPACT
	pr_cont(" : %2s%2s%2s%2s%2s%2s%2s\n",
			(regs->status32 & STATUS_U_MASK) ? "U " : "K ",
			STS_BIT(regs, DE), STS_BIT(regs, AE),
			STS_BIT(regs, A2), STS_BIT(regs, A1),
			STS_BIT(regs, E2), STS_BIT(regs, E1));
#else
	pr_cont(" : %2s%2s%2s%2s\n",
			STS_BIT(regs, IE),
			(regs->status32 & STATUS_U_MASK) ? "U " : "K ",
			STS_BIT(regs, DE), STS_BIT(regs, AE));
#endif
	pr_info("BTA: 0x%08lx\t SP: 0x%08lx\t FP: 0x%08lx\n",
		regs->bta, regs->sp, regs->fp);
	pr_info("LPS: 0x%08lx\tLPE: 0x%08lx\tLPC: 0x%08lx\n",
	       regs->lp_start, regs->lp_end, regs->lp_count);

	/* print regs->r0 thru regs->r12
	 * Sequential printing was generating horrible code
	 */
	print_reg_file(&(regs->r0), 0);

	/* If Callee regs were saved, display them too */
	cregs = (struct callee_regs *)current->thread.callee_reg;
	if (cregs)
		show_callee_regs(cregs);

	preempt_disable();
}

Example #2

File: troubleshoot.c Project: AlexanderStein/linux

void show_regs(struct pt_regs *regs)
{
	struct task_struct *tsk = current;
	struct callee_regs *cregs;
	char *buf;

	buf = (char *)__get_free_page(GFP_TEMPORARY);
	if (!buf)
		return;

	print_task_path_n_nm(tsk, buf);
	show_regs_print_info(KERN_INFO);

	show_ecr_verbose(regs);

	pr_info("[EFA   ]: 0x%08lx\n[BLINK ]: %pS\n[ERET  ]: %pS\n",
		current->thread.fault_address,
		(void *)regs->blink, (void *)regs->ret);

	if (user_mode(regs))
		show_faulting_vma(regs->ret, buf); /* faulting code, not data */

	pr_info("[STAT32]: 0x%08lx", regs->status32);

#define STS_BIT(r, bit)	r->status32 & STATUS_##bit##_MASK ? #bit" " : ""

#ifdef CONFIG_ISA_ARCOMPACT
	pr_cont(" : %2s%2s%2s%2s%2s%2s%2s\n",
			(regs->status32 & STATUS_U_MASK) ? "U " : "K ",
			STS_BIT(regs, DE), STS_BIT(regs, AE),
			STS_BIT(regs, A2), STS_BIT(regs, A1),
			STS_BIT(regs, E2), STS_BIT(regs, E1));
#else
	pr_cont(" : %2s%2s%2s%2s\n",
			STS_BIT(regs, IE),
			(regs->status32 & STATUS_U_MASK) ? "U " : "K ",
			STS_BIT(regs, DE), STS_BIT(regs, AE));
#endif
	pr_info("BTA: 0x%08lx\t SP: 0x%08lx\t FP: 0x%08lx\n",
		regs->bta, regs->sp, regs->fp);
	pr_info("LPS: 0x%08lx\tLPE: 0x%08lx\tLPC: 0x%08lx\n",
	       regs->lp_start, regs->lp_end, regs->lp_count);

	/* print regs->r0 thru regs->r12
	 * Sequential printing was generating horrible code
	 */
	print_reg_file(&(regs->r0), 0);

	/* If Callee regs were saved, display them too */
	cregs = (struct callee_regs *)current->thread.callee_reg;
	if (cregs)
		show_callee_regs(cregs);

	free_page((unsigned long)buf);
}