Messages in this thread | | | Date | Wed, 22 Apr 2009 07:38:28 -0400 | From | Masami Hiramatsu <> | Subject | Re: [PATCH v2 0/4] Add support for compiling with -ffunction-sections -fdata-sections |
| |
Anders Kaseorg wrote: > On Tue, 21 Apr 2009, Américo Wang wrote: >> Nice work! But, don't -ffunction-sections and -fdata-sections have >> collisions with '-g' and 'gprof'? Just like what gcc(1) describes. > > That description seems to be long obsolete. gcc used to warn that > -ffunction-sections may affect debugging, but that warning was disabled > for ELF targets in 1999, presumably because ELF has always supported > arbitrary section names even though some other object formats have issues. > <http://gcc.gnu.org/ml/gcc-patches/2008-03/msg00975.html> > > I know that debugging under -ffunction-sections -g works fine on at least > x86, which is the only platform on which we currently propose to provide > this option, and based on that message it looks like other platforms are > fine too.
Would you know actual version of gcc from which supports the combination of -ffunction-sections and -g?
Thank you,
-- Masami Hiramatsu
Software Engineer Hitachi Computer Products (America) Inc. Software Solutions Division
e-mail: mhiramat@redhat.com
-- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |