1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _LIBLOCKDEP_LINUX_STACKTRACE_H_ 3 #define _LIBLOCKDEP_LINUX_STACKTRACE_H_ 4 5 #include <execinfo.h> 6 7 struct stack_trace { 8 unsigned int nr_entries, max_entries; 9 unsigned long *entries; 10 int skip; 11 }; 12 print_stack_trace(struct stack_trace * trace,int spaces)13static inline void print_stack_trace(struct stack_trace *trace, int spaces) 14 { 15 backtrace_symbols_fd((void **)trace->entries, trace->nr_entries, 1); 16 } 17 18 #define save_stack_trace(trace) \ 19 ((trace)->nr_entries = \ 20 backtrace((void **)(trace)->entries, (trace)->max_entries)) 21 dump_stack(void)22static inline int dump_stack(void) 23 { 24 void *array[64]; 25 size_t size; 26 27 size = backtrace(array, 64); 28 backtrace_symbols_fd(array, size, 1); 29 30 return 0; 31 } 32 33 #endif 34