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- #ifndef __LINUX_STACKTRACE_H
- #define __LINUX_STACKTRACE_H
-
- struct task_struct;
-
- #ifdef CONFIG_STACKTRACE
- 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_tsk(struct task_struct *tsk,
- struct stack_trace *trace);
-
- extern void print_stack_trace(struct stack_trace *trace, int spaces);
- #else
- # define save_stack_trace(trace) do { } while (0)
- # define save_stack_trace_tsk(tsk, trace) do { } while (0)
- # define print_stack_trace(trace, spaces) do { } while (0)
- #endif
-
- #endif
-