From e58e871becec2d3b04ed91c0c16fe8deac9c9dfa Mon Sep 17 00:00:00 2001 From: "Levin, Alexander (Sasha Levin)" Date: Wed, 31 May 2017 00:38:09 +0000 Subject: tools/lib/lockdep: Remove private kernel headers Move to using tools/include/ instead. Signed-off-by: Sasha Levin Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: acme@redhat.com Link: http://lkml.kernel.org/r/20170531003747.10557-2-alexander.levin@verizon.com Signed-off-by: Ingo Molnar --- tools/include/linux/stacktrace.h | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 tools/include/linux/stacktrace.h (limited to 'tools/include/linux/stacktrace.h') 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 + +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