1 #ifndef __LINUX_STACKTRACE_H 2 #define __LINUX_STACKTRACE_H 3 4 #ifdef CONFIG_STACKTRACE 5 struct stack_trace { 6 unsigned int nr_entries, max_entries; 7 unsigned long *entries; 8 int skip; /* input argument: How many entries to skip */ 9 int all_contexts; /* input argument: if true do than one stack */ 10 }; 11 12 extern void save_stack_trace(struct stack_trace *trace, 13 struct task_struct *task); 14 15 extern void print_stack_trace(struct stack_trace *trace, int spaces); 16 #else 17 # define save_stack_trace(trace, task) do { } while (0) 18 # define print_stack_trace(trace) do { } while (0) 19 #endif 20 21 #endif 22