Fwd: Re: [Pgubook-readers] debug problem "with no line number"

[harold]

> You are right!but that is not my answer.
> Because my actual commands are correct like this:
> as --gstabs write-records.s -o write-records.o
> as --gstabs write-record.s -o write-record.o
> ld write-records.o write-record.o -o
> 
> the typos in the post is because I cut and paste
> the text in the book when I have not found the
> typos!
> :-)
> 
> Do you have encounted my problem with the correct
> files?
> 
> 
>  --- roger <address@hidden> 的正文：
> > Here's a quick response.  I believe I reported on
> > this bug earlier and
> > sent in a quick diff style patch for the book. ;-)
> > 
> > ------------------------begin
> > clipping-----------------------
> > Chapter 6. Reading and Writing Simple Records
> > p 97, Last Paragraph, Add/Modify to read "Let's
> look
> > at our reading
> > function first (read-record.s)."
> > 
> > p 98, Last Paragraph, Add/Modify: "The writing one
> > is similar and name
> > this write-record.s" or "The writing one is
> similar
> > (write-record.s)."
> > 
> > When I got to p 104 during the exercises, I was
> > stumped as to the
> > compiling procedures as I had no "write-record.s"
> > and I thought it was a
> > typo... of which, there is also an actual typo
> > within the procedures
> > itself putting me through more confusion.
> > 
> > --
> > p 104
> > 
> > To build the appliction, run the commands:
> > 
> > -- as write-records.s -o write-record.o
> > ++ as write-records.s -o write-records.o
> > 
> > --
> > 
> > -------------------end
> > clipping------------------------
> > 
> > (In other words, omit the "--" line and replace it
> > with the "++" line in
> > the book.)
> > 
> > 
> > 
> > On Thu, 2004-11-18 at 18:32 +0800, harold wrote:
> > > hi,all
> > > I am a reader of pgubook.
> > > I encounted a problem when I read on the chapter
> > 6.In
> > > the section "Writing records",there are
> > > two files:"write-records.s" and
> "write-record.s".
> > > I run the commands for debug later:
> > > as --gstabs write-records.s -o write-record.o
> > > as --gstabs write-record.s -o write-record.o
> > > ld write-records.o write-record.o -o
> write-records
> > > and ./write-records
> > > there is no error.but the problem is that I
> > attempt to
> > > debug the program with gdb and emacs.
> > > when i typed this command:
> > > gdb write-records
> > > 
> > > below is the messages
> > > (gdb) break 64
> > > Breakpoint 1 at 0x8049467: file write-records.s,
> > line
> > > 64.
> > > (gdb) run
> > > Starting program: /home/harold/asm/write-records
> > > 
> > > Breakpoint 1, 0x08049467 in _start ()
> > > (gdb) s
> > > Single stepping until exit from function _start,
> > > which has no line number information.
> > > write_record () at write-record.s:17
> > > 17        pushl %ebp
> > > Current language:  auto; currently asm
> > > 
> > > I don't understand this line "Single stepping
> > until
> > > exit from function _start,
> > > which has no line number information."
> > > 
> > > other programs is ok.I can't find any errors.
> > > Can anybody help me!!!
> > > 
> > > 
> > >
> >
>
_________________________________________________________
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> > > 
> > > _______________________________________________
> > > Pgubook-readers mailing list
> > > address@hidden
> > >
> >
>
http://lists.nongnu.org/mailman/listinfo/pgubook-readers
> > > 
> > -- 
> > 
> > Roger
> > http://www.eskimo.com/~roger/index.html
> > 
> >  
> 
>
_________________________________________________________
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_________________________________________________________
Do You Yahoo!?
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http://cn.rd.yahoo.com/mail_cn/tag/yisou/music/*http://music.yisou.com/
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http://cn.rd.yahoo.com/mail_cn/tag/yisou/image/*http://image.yisou.com
1G就是1000兆，雅虎电邮自助扩容！
http://cn.rd.yahoo.com/mail_cn/tag/1g/*http://cn.mail.yahoo.com/event/mail_1g/