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 }; 10 11 extern void save_stack_trace(struct stack_trace *trace); 12 13 extern void print_stack_trace(struct stack_trace *trace, int spaces); 14 #else 15 # define save_stack_trace(trace) do { } while (0) 16 # define print_stack_trace(trace, spaces) do { } while (0) 17 #endif 18 19 #endif 20