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Request/question from RMS
- From: Andrew Cagney <ac131313 at cygnus dot com>
- To: gdb at sources dot redhat dot com
- Date: Thu, 10 Jan 2002 09:45:26 -0500
- Subject: Request/question from RMS
Private e-mail from Richard Stallman. Reproduced with permission.
> In Emacs .gdbinit I found this:
> define xreload
> set $valmask = ((long)1 << gdb_valbits) - 1
> set $nonvalbits = gdb_emacs_intbits - gdb_valbits
> document xreload
> When starting Emacs a second time in the same gdb session under
> FreeBSD 2.2.5, gdb 4.13, $valmask and $nonvalbits have lost
> their values. (The same happens on current (2000) versions of GNU/Linux
> with gdb 5.0.)
> This function reloads them.
> I think GDB should avoid making this necessary--that it should
> reread .gdbinit when it reloads the executable. Or there should
> be a certain user-defined command that will be run after GDB
> reloads the executable.
I know there are now things like posthook-run commands. However,
without knowing how EMACS uses the above (I've no desire to debug emacs,
debugging mozilla was scary enough :-^) it is hard to suggest a replacement.
RMS also expressed a preference for avoiding features less than a year old.