2005/11/3, Daniel Jacobowitz <[EMAIL PROTECTED]>:
> On Thu, Nov 03, 2005 at 02:15:27PM -0700, Shaun Jackman wrote:
> > When an object file is compiled by arm-elf-gcc 4.0.2, nm -S 2.16.*
> > isn't printing the size of static variables. I'd very much appreciate
> > a fix or workaround, if one is out there.
>
> Check what the file really says, using readelf. If the sizes are
> unset, check a CVS version of GCC or report the bug to GCC's bugzilla.
> That's more likely than an nm bug.
It certainly appears to be a GCC bug.
Cheers,
Shaun
$ cat foo.c
int foo;
static int static_foo;
$ arm-elf-gcc -c foo.c
$ arm-elf-readelf -s foo.o | grep foo
1: 00000000 0 FILE LOCAL DEFAULT ABS foo.c
6: 00000000 0 NOTYPE LOCAL DEFAULT 3 static_foo
8: 00000004 4 OBJECT GLOBAL DEFAULT COM foo
$ gcc -c foo.c
$ readelf -s foo.o | grep foo
1: 00000000 0 FILE LOCAL DEFAULT ABS foo.c
5: 00000000 4 OBJECT LOCAL DEFAULT 3 static_foo
8: 00000004 4 OBJECT GLOBAL DEFAULT COM foo
$ arm-elf-gcc --version | head -1
arm-elf-gcc (GCC) 4.0.2
$ arm-elf-readelf --version | head -1
GNU readelf 2.16.91 20051103
$ gcc --version | head -1
gcc (GCC) 4.0.2 (Debian 4.0.2-2)
$ readelf --version | head -1
GNU readelf 2.16.1-multiarch Debian GNU/Linux
