Re: gdb.base/pending.exp failures

[Jeff Johnston <jjohnstn at redhat dot com>]

Daniel Jacobowitz wrote:

> Just a note of probable-cause: Jeff, on which platforms did you test
> this testcase?  I bet it wasn't i386-linux.
>  

You're right.  I tested ia64, not i386.

> On Wed, Feb 04, 2004 at 04:01:21PM -0800, David Carlton wrote:
>  
>
> > (gdb) break pendfunc1
> >
> > Breakpoint 1 at 0x804839c
> >
> > (gdb) FAIL: gdb.base/pending.exp: set pending breakpoint
> >    
>
> This function is in a shared library that hasn't been loaded yet. 
> However, on i386-linux (and many other platforms), the call will go
> through a PLT entry, and the entry in the application's symbol table
> will appear as an SHN_UNDEF symbol with a non-zero address pointing at
> the PLT entry.  GDB will re-resolve the breakpoint after shared
> libraries have been loaded.  This is already-existing functionality.
>
> If you don't want to use dlopen in the test, try setting breakpoints on
> a function not called directly from the executable (i.e. called from
> within the library).
>
>  
Thanks for the explanation.