#include <stdio.h>
#include "myshared.h"

int main(void)
{
    int a = 3;
    print_from_lib();
    return 0;
}

void print_from_lib();

#include <stdio.h>

void print_from_lib()
{
    printf("Printed from shared libraryn");
}

export LIBRARY_PATH=$PWD:$LIBRARY_PATH
export LD_LIBRARY_PATH=$PWD:$LD_LIBRARY_PATH
gcc -ggdb -c -Wall -Werror -fpic myshared.c -o myshared-ggdb.o
gcc -ggdb -shared -o libmyshared-ggdb.so myshared-ggdb.o
gcc -ggdb main.c -lmyshared-ggdb -o app-ggdb

$ gdb app-ggdb
GNU gdb (Ubuntu 7.12.50.20170314-0ubuntu1) 7.12.50.20170314-git
...### GDB STARTING TEXT
Reading symbols from app-ggdb...done.
(gdb) break 7
Breakpoint 1 at 0x78f: file main.c, line 7.
(gdb) set step-mode on
(gdb) run
Starting program: /home/user/share-lib-example/app-ggdb

Breakpoint 1, main () at main.c:7
7       print_from_lib();
(gdb) s
0x0000555555554640 in ?? ()
(gdb)

$ objdump --syms libmyshared-ggdb.so | grep debug
0000000000000000 l    d  .debug_aranges 0000000000000000              .debug_aranges
0000000000000000 l    d  .debug_info    0000000000000000              .debug_info
0000000000000000 l    d  .debug_abbrev  0000000000000000              .debug_abbrev
0000000000000000 l    d  .debug_line    0000000000000000              .debug_line
0000000000000000 l    d  .debug_str     0000000000000000              .debug_str

$ gdb app-ggdb
...### GDB STARTING TEXT
Reading symbols from app-ggdb...done.
(gdb) break 7
Breakpoint 1 at 0x78f: file main.c, line 7.
(gdb) set step-mode on
(gdb) run
Starting program: /home/user/share-lib-example/app-ggdb

Breakpoint 1, main () at main.c:7
7       print_from_lib();
(gdb)(gdb) info sharedlibrary
From                To                  Syms Read   Shared Object Library
0x00007ffff7dd7aa0  0x00007ffff7df55c0  Yes         /lib64/ld-linux-x86-64.so.2
0x00007ffff7bd5580  0x00007ffff7bd5693  Yes         /home/user/share-lib-example/libmyshared-ggdb.so
0x00007ffff782d9c0  0x00007ffff797ed43  Yes         /lib/x86_64-linux-gnu/libc.so.6