multiple address for the same symbol

one_symbol_with_two_addresses.log

$ tail -n +1 a.h b.c c.c m.c
==> a.h <==
#include <stdio.h>

static void foo() {
  printf("from a.h\n");
}

==> b.c <==
#include <stdio.h>
#include "a.h"

void b_foo() {
  printf("from b.c\n");
  foo();
}

==> c.c <==
#include <stdio.h>
#include "a.h"

void c_foo() {
  printf("from c.c\n");
  foo();
}

==> m.c <==
#include <stdio.h>
#include "b.h"
#include "c.h"

int main(void) {
  b_foo();
  c_foo();
  return 0;
}
$ gcc -g b.c c.c m.c -o m
$ ./m
from b.c
from a.h
from c.c
from a.h
$ nm -l m | grep foo
000000000040053d T b_foo        /home/fcamel/dev/tmp/b.c:4
0000000000400567 T c_foo        /home/fcamel/dev/tmp/c.c:4
000000000040052d t foo  /home/fcamel/dev/tmp/a.h:3
0000000000400557 t foo  /home/fcamel/dev/tmp/a.h:3