diff options
Diffstat (limited to 'include/linux/stacktrace.h')
| -rw-r--r-- | include/linux/stacktrace.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/include/linux/stacktrace.h b/include/linux/stacktrace.h new file mode 100644 index 000000000000..17a33f31bfa2 --- /dev/null +++ b/include/linux/stacktrace.h @@ -0,0 +1,42 @@ +#ifndef __LINUX_STACKTRACE_H +#define __LINUX_STACKTRACE_H + +#include <linux/types.h> + +struct task_struct; +struct pt_regs; + +#ifdef CONFIG_STACKTRACE +struct stack_trace { + unsigned int nr_entries, max_entries; + unsigned long *entries; + int skip; /* input argument: How many entries to skip */ +}; + +extern void save_stack_trace(struct stack_trace *trace); +extern void save_stack_trace_regs(struct pt_regs *regs, + struct stack_trace *trace); +extern void save_stack_trace_tsk(struct task_struct *tsk, + struct stack_trace *trace); + +extern void print_stack_trace(struct stack_trace *trace, int spaces); +extern int snprint_stack_trace(char *buf, size_t size, + struct stack_trace *trace, int spaces); + +#define BACKPORTED_EXPORT_SAVE_STACK_TRACE_TSK_ARM + +#ifdef CONFIG_USER_STACKTRACE_SUPPORT +extern void save_stack_trace_user(struct stack_trace *trace); +#else +# define save_stack_trace_user(trace) do { } while (0) +#endif + +#else +# define save_stack_trace(trace) do { } while (0) +# define save_stack_trace_tsk(tsk, trace) do { } while (0) +# define save_stack_trace_user(trace) do { } while (0) +# define print_stack_trace(trace, spaces) do { } while (0) +# define snprint_stack_trace(buf, size, trace, spaces) do { } while (0) +#endif + +#endif |