dumpstack_32.c (cb76c93982404273d746f3ccd5085b47689099a8) dumpstack_32.c (5fe599e02e41550c59831613a11c8ae057897c29)
1/*
2 * Copyright (C) 1991, 1992 Linus Torvalds
3 * Copyright (C) 2000, 2001, 2002 Andi Kleen, SuSE Labs
4 */
5#include <linux/kallsyms.h>
6#include <linux/kprobes.h>
7#include <linux/uaccess.h>
8#include <linux/hardirq.h>

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30 }
31}
32
33static bool in_hardirq_stack(unsigned long *stack, struct stack_info *info)
34{
35 unsigned long *begin = (unsigned long *)this_cpu_read(hardirq_stack);
36 unsigned long *end = begin + (THREAD_SIZE / sizeof(long));
37
1/*
2 * Copyright (C) 1991, 1992 Linus Torvalds
3 * Copyright (C) 2000, 2001, 2002 Andi Kleen, SuSE Labs
4 */
5#include <linux/kallsyms.h>
6#include <linux/kprobes.h>
7#include <linux/uaccess.h>
8#include <linux/hardirq.h>

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30 }
31}
32
33static bool in_hardirq_stack(unsigned long *stack, struct stack_info *info)
34{
35 unsigned long *begin = (unsigned long *)this_cpu_read(hardirq_stack);
36 unsigned long *end = begin + (THREAD_SIZE / sizeof(long));
37
38 if (stack < begin || stack >= end)
38 /*
39 * This is a software stack, so 'end' can be a valid stack pointer.
40 * It just means the stack is empty.
41 */
42 if (stack < begin || stack > end)
39 return false;
40
41 info->type = STACK_TYPE_IRQ;
42 info->begin = begin;
43 info->end = end;
44
45 /*
46 * See irq_32.c -- the next stack pointer is stored at the beginning of

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51 return true;
52}
53
54static bool in_softirq_stack(unsigned long *stack, struct stack_info *info)
55{
56 unsigned long *begin = (unsigned long *)this_cpu_read(softirq_stack);
57 unsigned long *end = begin + (THREAD_SIZE / sizeof(long));
58
43 return false;
44
45 info->type = STACK_TYPE_IRQ;
46 info->begin = begin;
47 info->end = end;
48
49 /*
50 * See irq_32.c -- the next stack pointer is stored at the beginning of

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55 return true;
56}
57
58static bool in_softirq_stack(unsigned long *stack, struct stack_info *info)
59{
60 unsigned long *begin = (unsigned long *)this_cpu_read(softirq_stack);
61 unsigned long *end = begin + (THREAD_SIZE / sizeof(long));
62
59 if (stack < begin || stack >= end)
63 /*
64 * This is a software stack, so 'end' can be a valid stack pointer.
65 * It just means the stack is empty.
66 */
67 if (stack < begin || stack > end)
60 return false;
61
62 info->type = STACK_TYPE_SOFTIRQ;
63 info->begin = begin;
64 info->end = end;
65
66 /*
67 * The next stack pointer is stored at the beginning of the stack.

--- 147 unchanged lines hidden --- 		68 return false;
69
70 info->type = STACK_TYPE_SOFTIRQ;
71 info->begin = begin;
72 info->end = end;
73
74 /*
75 * The next stack pointer is stored at the beginning of the stack.

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