2 * Copyright (C) 2001 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
6 #include "linux/config.h"
7 #include "linux/sched.h"
8 #include "linux/kernel.h"
9 #include "linux/module.h"
10 #include "linux/kallsyms.h"
12 #include "asm/processor.h"
14 #include "user_util.h"
16 /* Catch non-i386 SUBARCH's. */
17 #if !defined(CONFIG_UML_X86) || defined(CONFIG_64BIT)
18 void show_trace(struct task_struct *task, unsigned long * stack)
23 stack = (unsigned long*) &stack;
27 printk("Call Trace: \n");
28 while (((long) stack & (THREAD_SIZE-1)) != 0) {
30 if (__kernel_text_address(addr)) {
31 printk("%08lx: [<%08lx>]", (unsigned long) stack, addr);
32 print_symbol(" %s", addr);
42 * stack dumps generator - this is used by arch-independent code.
43 * And this is identical to i386 currently.
49 show_trace(current, &stack);
51 EXPORT_SYMBOL(dump_stack);
53 /*Stolen from arch/i386/kernel/traps.c */
54 static int kstack_depth_to_print = 24;
56 /* This recently started being used in arch-independent code too, as in
58 void show_stack(struct task_struct *task, unsigned long *esp)
64 if (task != current && task != NULL) {
65 /* XXX: Isn't this bogus? I.e. isn't this the
66 * *userspace* stack of this task? If not so, use this
67 * even when task == current (as in i386).
69 esp = (unsigned long *) KSTK_ESP(task);
70 /* Which one? No actual difference - just coding style.*/
71 //esp = (unsigned long *) PT_REGS_IP(&task->thread.regs);
73 esp = (unsigned long *) &esp;
78 for(i = 0; i < kstack_depth_to_print; i++) {
79 if (kstack_end(stack))
81 if (i && ((i % 8) == 0))
83 printk("%08lx ", *stack++);
86 printk("Call Trace: \n");
87 show_trace(current, esp);