diff options
| author | Levin, Alexander (Sasha Levin) <alexander.levin@verizon.com> | 2017-05-31 03:38:09 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-06-05 10:28:14 +0300 |
| commit | e58e871becec2d3b04ed91c0c16fe8deac9c9dfa (patch) | |
| tree | 0d5423db3f5db43609e25a19008b7c4451c0ce1a /tools/include/linux/stacktrace.h | |
| parent | 4ea4b3c25752499a67c4a35cafd2d5535017faad (diff) | |
| download | linux-e58e871becec2d3b04ed91c0c16fe8deac9c9dfa.tar.xz | |
tools/lib/lockdep: Remove private kernel headers
Move to using tools/include/ instead.
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: acme@redhat.com
Link: http://lkml.kernel.org/r/20170531003747.10557-2-alexander.levin@verizon.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/include/linux/stacktrace.h')
| -rw-r--r-- | tools/include/linux/stacktrace.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/tools/include/linux/stacktrace.h b/tools/include/linux/stacktrace.h new file mode 100644 index 000000000000..39aecc6b19d1 --- /dev/null +++ b/tools/include/linux/stacktrace.h @@ -0,0 +1,32 @@ +#ifndef _LIBLOCKDEP_LINUX_STACKTRACE_H_ +#define _LIBLOCKDEP_LINUX_STACKTRACE_H_ + +#include <execinfo.h> + +struct stack_trace { + unsigned int nr_entries, max_entries; + unsigned long *entries; + int skip; +}; + +static inline void print_stack_trace(struct stack_trace *trace, int spaces) +{ + backtrace_symbols_fd((void **)trace->entries, trace->nr_entries, 1); +} + +#define save_stack_trace(trace) \ + ((trace)->nr_entries = \ + backtrace((void **)(trace)->entries, (trace)->max_entries)) + +static inline int dump_stack(void) +{ + void *array[64]; + size_t size; + + size = backtrace(array, 64); + backtrace_symbols_fd(array, size, 1); + + return 0; +} + +#endif |