1 #ifndef __LINUX_STACKTRACE_H
2 #define __LINUX_STACKTRACE_H
4 #include <linux/types.h>
9 #ifdef CONFIG_STACKTRACE
13 unsigned int nr_entries, max_entries;
14 unsigned long *entries;
15 int skip; /* input argument: How many entries to skip */
18 extern void save_stack_trace(struct stack_trace *trace);
19 extern void save_stack_trace_regs(struct pt_regs *regs,
20 struct stack_trace *trace);
21 extern void save_stack_trace_tsk(struct task_struct *tsk,
22 struct stack_trace *trace);
24 extern void print_stack_trace(struct stack_trace *trace, int spaces);
25 extern int snprint_stack_trace(char *buf, size_t size,
26 struct stack_trace *trace, int spaces);
28 #ifdef CONFIG_USER_STACKTRACE_SUPPORT
29 extern void save_stack_trace_user(struct stack_trace *trace);
31 # define save_stack_trace_user(trace) do { } while (0)
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)