34 lines
678 B
C
34 lines
678 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LIBLOCKDEP_LINUX_STACKTRACE_H_
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#define _LIBLOCKDEP_LINUX_STACKTRACE_H_
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#include <execinfo.h>
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struct stack_trace {
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unsigned int nr_entries, max_entries;
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unsigned long *entries;
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int skip;
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};
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static inline void print_stack_trace(struct stack_trace *trace, int spaces)
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{
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backtrace_symbols_fd((void **)trace->entries, trace->nr_entries, 1);
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}
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#define save_stack_trace(trace) \
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((trace)->nr_entries = \
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backtrace((void **)(trace)->entries, (trace)->max_entries))
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static inline int dump_stack(void)
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{
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void *array[64];
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size_t size;
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size = backtrace(array, 64);
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backtrace_symbols_fd(array, size, 1);
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return 0;
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}
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#endif
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