1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef _LIBLOCKDEP_LINUX_STACKTRACE_H_ 3*4882a593Smuzhiyun #define _LIBLOCKDEP_LINUX_STACKTRACE_H_ 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #include <execinfo.h> 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun struct stack_trace { 8*4882a593Smuzhiyun unsigned int nr_entries, max_entries; 9*4882a593Smuzhiyun unsigned long *entries; 10*4882a593Smuzhiyun int skip; 11*4882a593Smuzhiyun }; 12*4882a593Smuzhiyun print_stack_trace(struct stack_trace * trace,int spaces)13*4882a593Smuzhiyunstatic inline void print_stack_trace(struct stack_trace *trace, int spaces) 14*4882a593Smuzhiyun { 15*4882a593Smuzhiyun backtrace_symbols_fd((void **)trace->entries, trace->nr_entries, 1); 16*4882a593Smuzhiyun } 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun #define save_stack_trace(trace) \ 19*4882a593Smuzhiyun ((trace)->nr_entries = \ 20*4882a593Smuzhiyun backtrace((void **)(trace)->entries, (trace)->max_entries)) 21*4882a593Smuzhiyun dump_stack(void)22*4882a593Smuzhiyunstatic inline int dump_stack(void) 23*4882a593Smuzhiyun { 24*4882a593Smuzhiyun void *array[64]; 25*4882a593Smuzhiyun size_t size; 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun size = backtrace(array, 64); 28*4882a593Smuzhiyun backtrace_symbols_fd(array, size, 1); 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun return 0; 31*4882a593Smuzhiyun } 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun #endif 34