1*8637c099SIngo Molnar #ifndef __LINUX_STACKTRACE_H 2*8637c099SIngo Molnar #define __LINUX_STACKTRACE_H 3*8637c099SIngo Molnar 4*8637c099SIngo Molnar #ifdef CONFIG_STACKTRACE 5*8637c099SIngo Molnar struct stack_trace { 6*8637c099SIngo Molnar unsigned int nr_entries, max_entries; 7*8637c099SIngo Molnar unsigned long *entries; 8*8637c099SIngo Molnar }; 9*8637c099SIngo Molnar 10*8637c099SIngo Molnar extern void save_stack_trace(struct stack_trace *trace, 11*8637c099SIngo Molnar struct task_struct *task, int all_contexts, 12*8637c099SIngo Molnar unsigned int skip); 13*8637c099SIngo Molnar 14*8637c099SIngo Molnar extern void print_stack_trace(struct stack_trace *trace, int spaces); 15*8637c099SIngo Molnar #else 16*8637c099SIngo Molnar # define save_stack_trace(trace, task, all, skip) do { } while (0) 17*8637c099SIngo Molnar # define print_stack_trace(trace) do { } while (0) 18*8637c099SIngo Molnar #endif 19*8637c099SIngo Molnar 20*8637c099SIngo Molnar #endif 21