1/*
 2 * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
 3 * Copyright (C) 2013 Richard Weinberger <richrd@nod.at>
 4 *
 5 * This program is free software; you can redistribute it and/or modify
 6 * it under the terms of the GNU General Public License version 2 as
 7 * published by the Free Software Foundation.
 8 */
 9
10#include <linux/kallsyms.h>
11#include <linux/kernel.h>
12#include <linux/module.h>
13#include <linux/sched.h>
14#include <linux/sched/debug.h>
15#include <linux/sched/task_stack.h>
16
17#include <asm/sysrq.h>
18#include <asm/stacktrace.h>
19#include <os.h>
20
21static void _print_addr(void *data, unsigned long address, int reliable)
22{
23	pr_info(" [<%08lx>] %s%pF\n", address, reliable ? "" : "? ",
24		(void *)address);
25}
26
27static const struct stacktrace_ops stackops = {
28	.address = _print_addr
29};
30
31void show_stack(struct task_struct *task, unsigned long *stack)
32{
33	unsigned long *sp = stack;
34	struct pt_regs *segv_regs = current->thread.segv_regs;
35	int i;
36
37	if (!segv_regs && os_is_signal_stack()) {
38		pr_err("Received SIGSEGV in SIGSEGV handler,"
39				" aborting stack trace!\n");
40		return;
41	}
42
43	if (!stack)
44		sp = get_stack_pointer(task, segv_regs);
45
46	pr_info("Stack:\n");
47	stack = sp;
48	for (i = 0; i < 3 * STACKSLOTS_PER_LINE; i++) {
49		if (kstack_end(stack))
50			break;
51		if (i && ((i % STACKSLOTS_PER_LINE) == 0))
52			pr_cont("\n");
53		pr_cont(" %08lx", *stack++);
54	}
55	pr_cont("\n");
56
57	pr_info("Call Trace:\n");
58	dump_trace(current, &stackops, NULL);
59	pr_info("\n");
60}

 1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
 4 * Copyright (C) 2013 Richard Weinberger <richrd@nod.at>
 
 
 
 
 5 */
 6
 7#include <linux/kallsyms.h>
 8#include <linux/kernel.h>
 9#include <linux/module.h>
10#include <linux/sched.h>
11#include <linux/sched/debug.h>
12#include <linux/sched/task_stack.h>
13
14#include <asm/sysrq.h>
15#include <asm/stacktrace.h>
16#include <os.h>
17
18static void _print_addr(void *data, unsigned long address, int reliable)
19{
20	pr_info(" [<%08lx>] %s%pS\n", address, reliable ? "" : "? ",
21		(void *)address);
22}
23
24static const struct stacktrace_ops stackops = {
25	.address = _print_addr
26};
27
28void show_stack(struct task_struct *task, unsigned long *stack)
29{
30	unsigned long *sp = stack;
31	struct pt_regs *segv_regs = current->thread.segv_regs;
32	int i;
33
34	if (!segv_regs && os_is_signal_stack()) {
35		pr_err("Received SIGSEGV in SIGSEGV handler,"
36				" aborting stack trace!\n");
37		return;
38	}
39
40	if (!stack)
41		sp = get_stack_pointer(task, segv_regs);
42
43	pr_info("Stack:\n");
44	stack = sp;
45	for (i = 0; i < 3 * STACKSLOTS_PER_LINE; i++) {
46		if (kstack_end(stack))
47			break;
48		if (i && ((i % STACKSLOTS_PER_LINE) == 0))
49			pr_cont("\n");
50		pr_cont(" %08lx", *stack++);
51	}
52	pr_cont("\n");
53
54	pr_info("Call Trace:\n");
55	dump_trace(current, &stackops, NULL);
56	pr_info("\n");
57}