#define _GNU_SOURCE

#include <stdio.h>
#include <execinfo.h>
#include <inttypes.h>
#include <stdio.h> 
#include <stdlib.h> 
#include <string.h> 
#include <sys/types.h>
#include <sys/signal.h>
#include <unistd.h>
#include <limits.h>
#include <errno.h>

static struct sigaction sigsegv_act;

void
my_sigsegv_handler(int signum, siginfo_t *info, void *f)
{
	void* buf[4096];
	int size;
	char **strs;

	printf("bad address %p\n", info->si_addr);

	size = backtrace(buf, 4096);
	printf("backtrace(%d):\n", size);

	strs = backtrace_symbols(buf, size);
	if (strs) {
		int i;
		for (i = 0; i<size; ++i) {
			char cmd[PATH_MAX];
			FILE *p;

			sprintf(cmd, "addr2line -pif -e %s %p",
				program_invocation_name, buf[i]);
			p = popen(cmd, "r");
			if (p) {
				char res[PATH_MAX];
				fgets(res, sizeof(res), p);
				pclose(p);
				printf(" %s: %s", strs[i], res);
			} else {
				printf(" %s\n", strs[i]);
			}
		}
	} else {
		printf("error in bactrace_symbols()\n");
	}
	free(strs);
	exit(1);
}

void
init_sigsegv_hook()
{
	memset(&sigsegv_act, 0, sizeof(sigsegv_act));
	sigsegv_act.sa_sigaction = my_sigsegv_handler;
	sigsegv_act.sa_flags = SA_SIGINFO;
	sigaction(SIGSEGV, &sigsegv_act, NULL);
}

int
main()
{
	init_sigsegv_hook();
	kill(getpid(), SIGSEGV);
	return 0;
}