Date: Sun, 25 Feb 1996 00:19:29 +1100 From: Bruce Evans <bde@zeta.org.au> To: Mattias.Gronlund@sa.erisoft.se, joerg_wunsch@uriah.heep.sax.de Cc: freebsd-hackers@freefall.freebsd.org Subject: Re: Whither ddb Message-ID: <199602241319.AAA04558@godzilla.zeta.org.au>
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>The handbook says: > The DDB commands roughly resemble some gdb commands. The first you > probably need is to set a breakpoint: > > b function-name > b address >But if I try to use the b function-name I always get the response that >there is no symbol with that name (I have tried different function names). >My kernel has the OPTION DDB and is configured with -d and it is not >stripped. Perhaps you have a very old boot loader that doesn't load symbol tables. You can tell if you have symbols by looking at the disassembly of the current instruction. For entry via Ctrl-PrintScreen it should look something like: Stopped at _Debugger+0x2b: movb $0,_in_Debugger.100 db> ddb doesn't understand names with `.' in them like the one above. Bruce
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