[Bug c++/11134] DWARF Problems with const int globals

["drow@mvista.com" <gcc-bugzilla@gcc.gnu.org>]

PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11134



------- Additional Comments From drow@mvista.com  2003-06-09 14:38 -------
Subject: Re:  DWARF Problems with const int globals

Oh, thanks.  I'm not familiar with that library's API... it's on this
drive somewhere...

In that case, will the submitter please provide a testcase?  Does
readelf show anything that looks wrong?  It might be a bug in
libdwarf...

On Mon, Jun 09, 2003 at 02:29:02PM -0000, dberlin@dberlin.org wrote:
> ------- Additional Comments From dberlin@dberlin.org  2003-06-09 14:29 -------
> Subject: Re:  DWARF Problems with const int globals
> 
> He *must* be referring to DWARF2 already.
> DW_DLV_NO_ENTRY is an error value returned by the libdwarf dwarf2 library
> SGI wrote (and Intel rewrote, and Ulrich Drepper is writing for elfutils).
> 
> 
> On Mon, 9 Jun 2003, drow@mvista.com wrote:
> 
> > PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.
> >
> > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11134
> >
> >
> >
> > ------- Additional Comments From drow@mvista.com  2003-06-09 14:21 -------
> > Subject: Re:  New: DWARF Problems with const int globals
> >
> > This isn't really an answer to your bug report, but it counts as a
> > workaround...
> >
> > On Mon, Jun 09, 2003 at 02:15:57PM -0000, drkent@lanl.gov wrote:
> > > PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.
> > >
> > > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11134
> > >
> > >            Summary: DWARF Problems with const int globals
> > >            Product: gcc
> > >            Version: 3.3
> > >             Status: UNCONFIRMED
> > >           Severity: normal
> > >           Priority: P2
> > >          Component: c++
> > >         AssignedTo: unassigned@gcc.gnu.org
> > >         ReportedBy: drkent@lanl.gov
> > >                 CC: gcc-bugs@gcc.gnu.org
> > >
> > > I am developing a dynamic instrumentation tool that uses DWARF and have
> > > encountered a few problems that could be from the dwarf information generated by
> > > g++  3.3.
> > >
> > > There are a few global variables defined as "const int".  When the tool parses
> > > the binary, it attempts to locate these variables and then gives a
> > > DW_DLV_NO_ENTRY error which means that the attribute is not where the dwarf
> > > information says it is.
> > >
> > > I have avoided these problems by changing the global const ints to #define
> > > statments, and the code runs properly.
> > >
> > > Please contact me with any questions.
> >
> > If you are developing this tool, please, please, please use DWARF-2
> > instead!  The DWARF writer is on its last legs, especially in C++, and
> > the format is inferior.
> >
>