Release 4.14 tools/include/linux/stacktrace.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LIBLOCKDEP_LINUX_STACKTRACE_H_

#define _LIBLOCKDEP_LINUX_STACKTRACE_H_

#include <execinfo.h>


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);
}

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#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;
}

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#endif
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Directory: tools/include/linux

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