From: Joel Brobecker <brobecker@adacore.com>
To: gdb-patches@sourceware.org
Subject: Re: [RFA/DWARF2] Handle nested subprograms in CU pc bound calculation
Date: Tue, 30 Sep 2008 16:56:00 -0000 [thread overview]
Message-ID: <20080930165557.GG3811@adacore.com> (raw)
In-Reply-To: <20080930154235.GA13221@caradoc.them.org>
> > 1. When compiling with -ffunction-sections, the compiler is not
> > providing the CU PC bounds (DW_AT_low_pc and DW_AT_high_pc).
> > I would imagine that this is because functions might be removed
> > later during the link, and thus bounds might be affected.
>
> It should provide DW_AT_ranges instead. Is it not doing that? What
> era compiler is this?
The compiler is based on GCC 4.1. I don't really know what GCC 4.3 does.
How would the range help with -ffunction-section, though? Does the
linker known how to remove one of the ranges when he discards an
unused function?
> The patch is fine, either way.
Thanks, will commit shortly.
--
Joel
next prev parent reply other threads:[~2008-09-30 16:56 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-30 15:28 Joel Brobecker
2008-09-30 15:43 ` Daniel Jacobowitz
2008-09-30 16:56 ` Joel Brobecker [this message]
2008-09-30 17:05 ` Daniel Jacobowitz
2008-09-30 15:43 ` Pierre Muller
2008-09-30 17:07 ` Joel Brobecker
2008-09-30 17:39 ` Daniel Jacobowitz
2008-10-01 1:16 ` Joel Brobecker
2008-10-01 7:43 ` Pierre Muller
2008-10-01 8:33 ` [Core] " Jonas Maebe
2008-10-01 16:40 ` Joel Brobecker
2008-10-01 21:56 ` [Core] " Jonas Maebe
2008-10-02 6:45 ` Daniël Mantione
2008-10-02 9:07 ` Pierre Muller
2008-10-02 10:36 ` Daniël Mantione
2008-10-03 0:31 ` Joel Brobecker
2008-09-30 16:58 ` Joel Brobecker
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