| Ingo Molnar | 8637c09 | 2006-07-03 00:24:38 -0700 | [diff] [blame] | 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; |
| Andi Kleen | 5a1b399 | 2006-09-26 10:52:34 +0200 | [diff] [blame] | 8 | int skip; /* input argument: How many entries to skip */ |
| Ingo Molnar | 8637c09 | 2006-07-03 00:24:38 -0700 | [diff] [blame] | 9 | }; |
| 10 | |
| Christoph Hellwig | ab1b6f0 | 2007-05-08 00:23:29 -0700 | [diff] [blame] | 11 | extern void save_stack_trace(struct stack_trace *trace); |
| Arjan van de Ven | 9745512 | 2008-01-25 21:08:34 +0100 | [diff] [blame] | 12 | extern void save_stack_trace_tsk(struct task_struct *tsk, |
| 13 | struct stack_trace *trace); |
| Ingo Molnar | 8637c09 | 2006-07-03 00:24:38 -0700 | [diff] [blame] | 14 | |
| 15 | extern void print_stack_trace(struct stack_trace *trace, int spaces); |
| 16 | #else |
| Christoph Hellwig | ab1b6f0 | 2007-05-08 00:23:29 -0700 | [diff] [blame] | 17 | # define save_stack_trace(trace) do { } while (0) |
| Arjan van de Ven | 9745512 | 2008-01-25 21:08:34 +0100 | [diff] [blame] | 18 | # define save_stack_trace_tsk(tsk, trace) do { } while (0) |
| Johannes Berg | 3b5ad07 | 2007-07-19 01:49:02 -0700 | [diff] [blame] | 19 | # define print_stack_trace(trace, spaces) do { } while (0) |
| Ingo Molnar | 8637c09 | 2006-07-03 00:24:38 -0700 | [diff] [blame] | 20 | #endif |
| 21 | |
| 22 | #endif |