2 * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
3 * Licensed under the GPL
6 #include <linux/kallsyms.h>
7 #include <linux/kernel.h>
8 #include <linux/module.h>
9 #include <linux/sched.h>
12 /* Catch non-i386 SUBARCH's. */
13 #if !defined(CONFIG_UML_X86) || defined(CONFIG_64BIT)
14 void show_trace(struct task_struct *task, unsigned long * stack)
19 stack = (unsigned long*) &stack;
23 printk(KERN_INFO "Call Trace: \n");
24 while (((long) stack & (THREAD_SIZE-1)) != 0) {
26 if (__kernel_text_address(addr)) {
27 printk(KERN_INFO "%08lx: [<%08lx>]",
28 (unsigned long) stack, addr);
29 print_symbol(KERN_CONT " %s", addr);
30 printk(KERN_CONT "\n");
34 printk(KERN_INFO "\n");
39 * stack dumps generator - this is used by arch-independent code.
40 * And this is identical to i386 currently.
46 show_trace(current, &stack);
48 EXPORT_SYMBOL(dump_stack);
50 /*Stolen from arch/i386/kernel/traps.c */
51 static const int kstack_depth_to_print = 24;
53 /* This recently started being used in arch-independent code too, as in
55 void show_stack(struct task_struct *task, unsigned long *esp)
61 if (task != current && task != NULL) {
62 esp = (unsigned long *) KSTK_ESP(task);
64 esp = (unsigned long *) &esp;
69 for (i = 0; i < kstack_depth_to_print; i++) {
70 if (kstack_end(stack))
72 if (i && ((i % 8) == 0))
73 printk("\n" KERN_INFO " ");
74 printk("%08lx ", *stack++);
77 show_trace(task, esp);