Merge "arm64: process: dump memory around registers when displaying regs"

	}

}

/*

 * dump a block of kernel memory from around the given address

 */

static void show_data(unsigned long addr, int nbytes, const char *name)

{

	int	i, j;

	int	nlines;

	u32	*p;

	/*

	 * don't attempt to dump non-kernel addresses or

	 * values that are probably just small negative numbers

	 */

	if (addr < PAGE_OFFSET || addr > -256UL)

		return;

	printk(KERN_DEBUG "\n%s: %#lx:\n", name, addr);

	/*

	 * round address down to a 32 bit boundary

	 * and always dump a multiple of 32 bytes

	 */

	p = (u32 *)(addr & ~(sizeof(u32) - 1));

	nbytes += (addr & (sizeof(u32) - 1));

	nlines = (nbytes + 31) / 32;

	for (i = 0; i < nlines; i++) {

		/*

		 * just display low 16 bits of address to keep

		 * each line of the dump < 80 characters

		 */

		printk(KERN_DEBUG "%04lx ", (unsigned long)p & 0xffff);

		for (j = 0; j < 8; j++) {

			u32	data;

			if (probe_kernel_address(p, data))

				printk(KERN_DEBUG " ********");

			else

				printk(KERN_DEBUG " %08x", data);

			++p;

		}

		printk(KERN_DEBUG "\n");

	}

}

static void show_extra_register_data(struct pt_regs *regs, int nbytes)

{

	mm_segment_t fs;

	unsigned int i;

	fs = get_fs();

	set_fs(KERNEL_DS);

	show_data(regs->pc - nbytes, nbytes * 2, "PC");

	show_data(regs->regs[30] - nbytes, nbytes * 2, "LR");

	show_data(regs->sp - nbytes, nbytes * 2, "SP");

	for (i = 0; i < 30; i++) {

		char name[4];

		snprintf(name, sizeof(name), "X%u", i);

		show_data(regs->regs[i] - nbytes, nbytes * 2, name);

	}

	set_fs(fs);

}

void __show_regs(struct pt_regs *regs)

{

	int i, top_reg;

		pr_cont("\n");

	}

	if (!user_mode(regs))

		show_extra_register_data(regs, 128);

}

void show_regs(struct pt_regs * regs)