From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- tools/lib/lockdep/uinclude/linux/stacktrace.h | 32 +++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 tools/lib/lockdep/uinclude/linux/stacktrace.h (limited to 'tools/lib/lockdep/uinclude/linux/stacktrace.h') diff --git a/tools/lib/lockdep/uinclude/linux/stacktrace.h b/tools/lib/lockdep/uinclude/linux/stacktrace.h new file mode 100644 index 000000000..39aecc6b1 --- /dev/null +++ b/tools/lib/lockdep/uinclude/linux/stacktrace.h @@ -0,0 +1,32 @@ +#ifndef _LIBLOCKDEP_LINUX_STACKTRACE_H_ +#define _LIBLOCKDEP_LINUX_STACKTRACE_H_ + +#include + +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 -- cgit v1.2.3-54-g00ecf