diff options
| author | Meizu OpenSource <patchwork@meizu.com> | 2016-08-15 10:19:42 +0800 |
|---|---|---|
| committer | Meizu OpenSource <patchwork@meizu.com> | 2016-08-15 10:19:42 +0800 |
| commit | d2e1446d81725c351dc73a03b397ce043fb18452 (patch) | |
| tree | 4dbc616b7f92aea39cd697a9084205ddb805e344 /include/linux/stacktrace.h | |
first commit
Diffstat (limited to 'include/linux/stacktrace.h')
| -rw-r--r-- | include/linux/stacktrace.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/include/linux/stacktrace.h b/include/linux/stacktrace.h new file mode 100644 index 000000000..115b570e3 --- /dev/null +++ b/include/linux/stacktrace.h @@ -0,0 +1,37 @@ +#ifndef __LINUX_STACKTRACE_H +#define __LINUX_STACKTRACE_H + +struct task_struct; +struct pt_regs; + +#ifdef CONFIG_STACKTRACE +struct task_struct; + +struct stack_trace { + unsigned int nr_entries, max_entries; + unsigned long *entries; + int skip; /* input argument: How many entries to skip */ +}; + +extern void save_stack_trace(struct stack_trace *trace); +extern void save_stack_trace_regs(struct pt_regs *regs, + struct stack_trace *trace); +extern void save_stack_trace_tsk(struct task_struct *tsk, + struct stack_trace *trace); + +extern void print_stack_trace(struct stack_trace *trace, int spaces); + +#ifdef CONFIG_USER_STACKTRACE_SUPPORT +extern void save_stack_trace_user(struct stack_trace *trace); +#else +# define save_stack_trace_user(trace) do { } while (0) +#endif + +#else +# define save_stack_trace(trace) do { } while (0) +# define save_stack_trace_tsk(tsk, trace) do { } while (0) +# define save_stack_trace_user(trace) do { } while (0) +# define print_stack_trace(trace, spaces) do { } while (0) +#endif + +#endif |