Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#ifndef __LINUX_STACKTRACE_H
2#define __LINUX_STACKTRACE_H
3
4#include <linux/types.h>
5
6struct task_struct;
7struct pt_regs;
8
9#ifdef CONFIG_STACKTRACE
10struct stack_trace {
11 unsigned int nr_entries, max_entries;
12 unsigned long *entries;
13 int skip; /* input argument: How many entries to skip */
14};
15
16extern void save_stack_trace(struct stack_trace *trace);
17extern void save_stack_trace_regs(struct pt_regs *regs,
18 struct stack_trace *trace);
19extern void save_stack_trace_tsk(struct task_struct *tsk,
20 struct stack_trace *trace);
21extern int save_stack_trace_tsk_reliable(struct task_struct *tsk,
22 struct stack_trace *trace);
23
24extern void print_stack_trace(struct stack_trace *trace, int spaces);
25extern int snprint_stack_trace(char *buf, size_t size,
26 struct stack_trace *trace, int spaces);
27
28#ifdef CONFIG_USER_STACKTRACE_SUPPORT
29extern void save_stack_trace_user(struct stack_trace *trace);
30#else
31# define save_stack_trace_user(trace) do { } while (0)
32#endif
33
34#else /* !CONFIG_STACKTRACE */
35# define save_stack_trace(trace) do { } while (0)
36# define save_stack_trace_tsk(tsk, trace) do { } while (0)
37# define save_stack_trace_user(trace) do { } while (0)
38# define print_stack_trace(trace, spaces) do { } while (0)
39# define snprint_stack_trace(buf, size, trace, spaces) do { } while (0)
40# define save_stack_trace_tsk_reliable(tsk, trace) ({ -ENOSYS; })
41#endif /* CONFIG_STACKTRACE */
42
43#endif /* __LINUX_STACKTRACE_H */