Re: missing symbols

[costin_c <costin dot cosoveanu at gmail dot com>]

On 6/18/07, costin_c <costin.cosoveanu@gmail.com> wrote:
> In the following code, compiled with
> g++   cls.cc -Wall -W -g3 -o cls
>
> why only only virtual functions  f1, f2 and constructor is listed by nm.
>
> Only debugging symbols for virtual functions are included in
> executable output file ?
>
> //cls.cc
> #include <iostream>
> using namespace std;
>
> class test
> {
> public:
>     int u;
>     test(int t){u=t;};
>     virtual void f1(){
>     cout <<u<<endl;
>     }
>     virtual void f2(int t){u=t;};
>     void f3(int t){u=t;};
>
> };
>
> int main(int argc, char **argv)
> {
>     test t(100);
>
> }
> $nm -C  cls | grep test::
>
> 0804874e W test::f1()
> 08048740 W test::f2(int)
> 08048728 W test::test(int)

Wierd assembler file, generated by "-S" parameter,  include all
information about test  class methods: test,f1,f2,f3

..................................
       .string "test::test"
       .long   0x5d40
       .string "test::f2"
       .long   0x5d70
       .string "test::f3"
       .long   0x5e4d
       .string "test::f1"
       .long   0x5e71
       .string "main"