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Re: The add-symbol-file command comment in the manual is confusing
- To: ac131313 at cygnus dot com
- Subject: Re: The add-symbol-file command comment in the manual is confusing
- From: Eli Zaretskii <eliz at delorie dot com>
- Date: Fri, 6 Apr 2001 16:16:36 -0400 (EDT)
- CC: ischis2 at home dot com, gdb at sourceware dot cygnus dot com
- References: <3AB8D3B7.1C9C2E51@home.com> <3ACE0BEC.E064FDC@cygnus.com>
- Reply-to: Eli Zaretskii <eliz at is dot elta dot co dot il>
> Date: Fri, 06 Apr 2001 14:33:16 -0400
> From: Andrew Cagney <ac131313@cygnus.com>
>
> This sounds like our first (?) Doco bug :-)
If someone tells how to correct that, I'm willing to do that.
As for your questions,
> others are definitly more qualified to comment.
>
> Andrew
>
> Stephen Smith wrote:
> >
> > The add-symbol-file symbol file command has the following prose in the manual:
> >
> > add-symbol-file filename address [ -readnow ] [ -mapped ]
> > The add-symbol-file command reads additional symbol table information from the file filename. You would use this
> > command when filename has been dynamically
> > loaded (by some other means) into the program that is running. address should be the memory address at which the
> > file has been loaded; GDB cannot figure this out for itself.
> > You can specify address as an expression. The symbol table of the file filename is added to the symbol table
> > originally read with the symbol-file command. You can use
> > the add-symbol-file command any number of times; the new symbol data thus read keeps adding to the old. To discard
> > all old symbol data instead, use the
> > symbol-file command. add-symbol-file does not repeat if you press RET after using it. You can use the `-mapped' and
> > `-readnow' options just as with the
> > symbol-file command, to change how GDB manages the symbol table information for filename.
> >
> > Several questions
> > 1) What is the difference between useing and not using the -mapped command? Maybe I should ask first what is the use
> > of the mapped switch?
> >
> > 2) The quote says that "You can specify address as an expression". How would you do that? And just a curriosity, how
> > would you figure out the address to use?
>