[PATCH] Replace some literal consts with enums.

[Michael Snyder]

Elena Zannoni wrote:
> 
> Cool, I like enums. But the formatting of the enum in the .h file is
> non-GNU.  Is symfile.c the only place where these are used? Would it
> be possible to pull the enum inside symfile.c, if this is the case?
> 
> Thanks
> Elena

The problem is that the variable itself is referred to 
by other files.  It would require some jumping thru hoops
to declare the variable in the header file, but not the 
enum.

> 
> Michael Snyder writes:
>  >
>  > 2002-01-31  Michael Snyder  <msnyder@redhat.com>
>  >
>  >      * symfile.h (enum overlay_debugging_state):
>  >      Define enum constant values for overlay mode.
>  >      * symfile.c (overlay_debugging): Use enums instead of literals.
>  >      (overlay_is_mapped, overlay_auto_command,
>  >      overlay_manual_command): Ditto.
>  >
> 
>  > Index: symfile.h
>  > ===================================================================
>  > RCS file: /cvs/src/src/gdb/symfile.h,v
>  > retrieving revision 1.11
>  > diff -p -r1.11 symfile.h
>  > *** symfile.h        2001/12/07 12:10:15     1.11
>  > --- symfile.h        2002/02/01 01:10:58
>  > *************** extern void find_lowest_section (bfd *,
>  > *** 253,259 ****
>  >   extern bfd *symfile_bfd_open (char *);
>  >
>  >   /* Utility functions for overlay sections: */
>  > ! extern int overlay_debugging;
>  >   extern int overlay_cache_invalid;
>  >
>  >   /* return the "mapped" overlay section  containing the PC */
>  > --- 253,263 ----
>  >   extern bfd *symfile_bfd_open (char *);
>  >
>  >   /* Utility functions for overlay sections: */
>  > ! extern enum overlay_debugging_state {
>  > !   ovly_off,
>  > !   ovly_on,
>  > !   ovly_auto
>  > ! } overlay_debugging;
>  >   extern int overlay_cache_invalid;
>  >
>  >   /* return the "mapped" overlay section  containing the PC */