main.c

#include <libunwind.h>
#include <stdio.h>

int fn5() {
    unw_context_t context;
    unw_cursor_t cursor;
    unw_proc_info_t info;

    unw_getcontext(&context);
    unw_init_local(&cursor, &context);

    int i = 0;

    while (unw_step(&cursor) > 0) {
        unw_get_proc_info(&cursor, &info);
        printf("start: %llu\n", info.start_ip);
        i += 1;
    }

    return i;

}

int fn4() {
    return fn5();
}

int fn3() {
    return fn4();
}

int fn2() {
    return fn3();
}

int fn1() {
    return fn2();
}

int main() {
    return fn1();
}