| Ingo Molnar | 8637c09 | 2006-07-03 00:24:38 -0700 | [diff] [blame] | 1 | #ifndef __LINUX_STACKTRACE_H |
| 2 | #define __LINUX_STACKTRACE_H |
| 3 | |
| Andrew Morton | 897312b | 2008-10-03 15:23:41 -0700 | [diff] [blame] | 4 | struct task_struct; |
| 5 | |
| Ingo Molnar | 8637c09 | 2006-07-03 00:24:38 -0700 | [diff] [blame] | 6 | #ifdef CONFIG_STACKTRACE |
| Vegard Nossum | b618ad3 | 2008-06-13 15:31:11 +0200 | [diff] [blame] | 7 | struct task_struct; |
| 8 | |
| Ingo Molnar | 8637c09 | 2006-07-03 00:24:38 -0700 | [diff] [blame] | 9 | struct stack_trace { |
| 10 | unsigned int nr_entries, max_entries; |
| 11 | unsigned long *entries; |
| Andi Kleen | 5a1b399 | 2006-09-26 10:52:34 +0200 | [diff] [blame] | 12 | int skip; /* input argument: How many entries to skip */ |
| Ingo Molnar | 8637c09 | 2006-07-03 00:24:38 -0700 | [diff] [blame] | 13 | }; |
| 14 | |
| Christoph Hellwig | ab1b6f0 | 2007-05-08 00:23:29 -0700 | [diff] [blame] | 15 | extern void save_stack_trace(struct stack_trace *trace); |
| Vegard Nossum | acc6be5 | 2008-05-20 11:15:43 +0200 | [diff] [blame] | 16 | extern void save_stack_trace_bp(struct stack_trace *trace, unsigned long bp); |
| Arjan van de Ven | 9745512 | 2008-01-25 21:08:34 +0100 | [diff] [blame] | 17 | extern void save_stack_trace_tsk(struct task_struct *tsk, |
| 18 | struct stack_trace *trace); |
| Ingo Molnar | 8637c09 | 2006-07-03 00:24:38 -0700 | [diff] [blame] | 19 | |
| 20 | extern void print_stack_trace(struct stack_trace *trace, int spaces); |
| Török Edwin | 02b6751 | 2008-11-22 13:28:47 +0200 | [diff] [blame] | 21 | |
| Török Edwin | 8d26487 | 2008-11-23 12:39:08 +0200 | [diff] [blame] | 22 | #ifdef CONFIG_USER_STACKTRACE_SUPPORT |
| Török Edwin | 02b6751 | 2008-11-22 13:28:47 +0200 | [diff] [blame] | 23 | extern void save_stack_trace_user(struct stack_trace *trace); |
| 24 | #else |
| 25 | # define save_stack_trace_user(trace) do { } while (0) |
| 26 | #endif |
| 27 | |
| Ingo Molnar | 8637c09 | 2006-07-03 00:24:38 -0700 | [diff] [blame] | 28 | #else |
| Christoph Hellwig | ab1b6f0 | 2007-05-08 00:23:29 -0700 | [diff] [blame] | 29 | # define save_stack_trace(trace) do { } while (0) |
| Arjan van de Ven | 9745512 | 2008-01-25 21:08:34 +0100 | [diff] [blame] | 30 | # define save_stack_trace_tsk(tsk, trace) do { } while (0) |
| Török Edwin | 8d7c6a9 | 2008-11-23 12:39:06 +0200 | [diff] [blame] | 31 | # define save_stack_trace_user(trace) do { } while (0) |
| Johannes Berg | 3b5ad07 | 2007-07-19 01:49:02 -0700 | [diff] [blame] | 32 | # define print_stack_trace(trace, spaces) do { } while (0) |
| Ingo Molnar | 8637c09 | 2006-07-03 00:24:38 -0700 | [diff] [blame] | 33 | #endif |
| 34 | |
| 35 | #endif |