Re: RFA: fix GDB casts when pointers are not addresses

[Jim Blandy <jimb@zwingli.cygnus.com>]

Andrew Cagney <ac131313@cygnus.com> writes:
> Can you again provide a concrete example?

Sure.

$ cat pointer2.c
#include <stdio.h>

main ()
{
  printf ("0x%x\n", (int) &main);
}
$ $CMitsuB/d10v-elf-gcc -g pointer2.c -o pointer2
$ $CMitsuB/d10v-elf-run pointer2
0x5017
$ $DD10v/gdb/gdb pointer2
GNU gdb 2001-07-02-cvs (MI_OUT)
Copyright 2001 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "--host=i686-pc-linux-gnu --target=d10v-elf"...
(gdb) print (int) &main
$1 = 16476
(gdb) p/x (int) &main
$2 = 0x405c
(gdb) print main
$3 = {int ()} 0x101405c <main>
(gdb) $ 
$ 

> Assuming this is accepted, it also needs to be clearly documented.  One 
> of the biggest problems is that there is no clear documentation on how 
> things should behave.

Sure.  The patch includes a comment which is supposed to set this
straight.  What is it missing?