[PATCH] Resend: Add a new chapter on the dynamic linker

[Ben Woodard]

On Fri, Oct 13, 2017 at 3:39 PM, Joseph Myers <joseph@codesourcery.com>
wrote:

> On Fri, 13 Oct 2017, Ben Woodard wrote:
>
> > > > +outside of a particular compilation unit. If you link object files
> > > > +then the linker is able to find the location of referenced symbols
> or
> > > > +functions in other compilation unit's object files, insert them into
> > >
> > > "units'", as you're referring to the object files of multiple
> compilation
> > > units.
> > >
> >
> > I don't think that you are correct about this. I intended it to be a
> > possessive not a plural.
>
> I was reading it as a possessive of a plural that ends with s (so needing
> the apostrophe after the s, not before).  If it were the possessive of a
> singular compilation unit, I'd expect e.g. "another" in place of "other".
>
>
I literally had to diagram out the sentence to make sense of this one. In
this case, I am referring to one location and so "another" is more
appropriate to agree with "object file"  rather than "object files".

> > > +Libraries are a special kind object file which include the partially
> > >
> > > "kind of object file".
> > >
> > > > +linked aggregation of many compilation unit's object files. You can
> > >
> > > "units'".
> > >
> >
> > See above. Possessive.
>
> Again, possessive of plural (here it seems clear it's possessive of a
> plural not a singular compilation unit, given the "many").
>
> This one is a possessive of a plural.
Fixed.


> > > > +to run the executable. The shared libraries needed by am executable
> or
> > >
> > > "an executable".
> > >
> >
> > I disagree with this change. It breaks the agreement between the subject
> > and the object
>
> I'm correcting the "am executable".
>

fixed

>
> > I'm not sure what macros exist for different OSs that make use of glibc
> and
> > how much I can say here that applies to everything. Are you saying
> $ORIGIN
> > is universal? Are there more things are and need documenting?
>
> $ORIGIN is nothing to do with the operating system.  It's implemented in
> OS-independent code in glibc, not in OS-specific code (though OS-specific
> glibc code should still be documented in the glibc manual) and not in the
> kernel.  Likewise $PLATFORM and $LIB.  (The setting of dl_platform values
> is generally architecture-specific not OS-specific.)
>

TODO. along with copy relocations

>
> --
> Joseph S. Myers
> joseph@codesourcery.com
>
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