unwind.h (e98bdb3059cbf2b1cd4261e126b08429f64466c3) unwind.h (af085d9084b48530153f51e6cad19fd0b1a13ed7)
1#ifndef _ASM_X86_UNWIND_H
2#define _ASM_X86_UNWIND_H
3
4#include <linux/sched.h>
5#include <linux/ftrace.h>
6#include <asm/ptrace.h>
7#include <asm/stacktrace.h>
8
9struct unwind_state {
10 struct stack_info stack_info;
11 unsigned long stack_mask;
12 struct task_struct *task;
13 int graph_idx;
1#ifndef _ASM_X86_UNWIND_H
2#define _ASM_X86_UNWIND_H
3
4#include <linux/sched.h>
5#include <linux/ftrace.h>
6#include <asm/ptrace.h>
7#include <asm/stacktrace.h>
8
9struct unwind_state {
10 struct stack_info stack_info;
11 unsigned long stack_mask;
12 struct task_struct *task;
13 int graph_idx;
14 bool error;
14#ifdef CONFIG_FRAME_POINTER
15 unsigned long *bp, *orig_sp;
16 struct pt_regs *regs;
17#else
18 unsigned long *sp;
19#endif
20};
21

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35void unwind_start(struct unwind_state *state, struct task_struct *task,
36 struct pt_regs *regs, unsigned long *first_frame)
37{
38 first_frame = first_frame ? : get_stack_pointer(task, regs);
39
40 __unwind_start(state, task, regs, first_frame);
41}
42
15#ifdef CONFIG_FRAME_POINTER
16 unsigned long *bp, *orig_sp;
17 struct pt_regs *regs;
18#else
19 unsigned long *sp;
20#endif
21};
22

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36void unwind_start(struct unwind_state *state, struct task_struct *task,
37 struct pt_regs *regs, unsigned long *first_frame)
38{
39 first_frame = first_frame ? : get_stack_pointer(task, regs);
40
41 __unwind_start(state, task, regs, first_frame);
42}
43
44static inline bool unwind_error(struct unwind_state *state)
45{
46 return state->error;
47}
48
43#ifdef CONFIG_FRAME_POINTER
44
45static inline
46unsigned long *unwind_get_return_address_ptr(struct unwind_state *state)
47{
48 if (unwind_done(state))
49 return NULL;
50

--- 27 unchanged lines hidden --- 		49#ifdef CONFIG_FRAME_POINTER
50
51static inline
52unsigned long *unwind_get_return_address_ptr(struct unwind_state *state)
53{
54 if (unwind_done(state))
55 return NULL;
56

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