C++ 之 backtrace

example

#include 

#define BOOST_STACKTRACE_USE_ADDR2LINE
#include 

void my_func_2(void) {
    std::cout << boost::stacktrace::stacktrace() << std::endl;
}

void my_func_1(double f) {
    (void)f;
    my_func_2();
}

void my_func_1(int i) {
    (void)i;
    my_func_2();
}

int main(int argc, char **argv) {
    long long unsigned int n;
    if (argc > 1) {
        n = strtoul(argv[1], NULL, 0);
    } else {
        n = 1;
    }
    for (long long unsigned int i = 0; i < n; ++i) {
        my_func_1(1);   // line 28
        my_func_1(2.0); // line 29
    }
}

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# g++ backtrace.cpp  -ldl
# ./a.out
 0# my_func_2() in ./a.out
 1# my_func_1(int) in ./a.out
 2# main in ./a.out
 3# __libc_start_main in /usr/lib64/libc.so.6
 4# _start in ./a.out

 0# my_func_2() in ./a.out
 1# my_func_1(double) in ./a.out
 2# main in ./a.out
 3# __libc_start_main in /usr/lib64/libc.so.6
 4# _start in ./a.out

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