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>
10 #include <asm/sysrq.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");
38 /*Stolen from arch/i386/kernel/traps.c */
39 static const int kstack_depth_to_print
= 24;
41 /* This recently started being used in arch-independent code too, as in
42 * kernel/sched/core.c.*/
43 void show_stack(struct task_struct
*task
, unsigned long *esp
)
49 if (task
!= current
&& task
!= NULL
) {
50 esp
= (unsigned long *) KSTK_ESP(task
);
52 esp
= (unsigned long *) &esp
;
57 for (i
= 0; i
< kstack_depth_to_print
; i
++) {
58 if (kstack_end(stack
))
60 if (i
&& ((i
% 8) == 0))
61 printk(KERN_INFO
" ");
62 printk(KERN_CONT
"%08lx ", *stack
++);
65 show_trace(task
, esp
);