Date: Fri, 10 Sep 2010 11:37:36 +0200 From: Kai Wang <kaiwang27@gmail.com> To: Steve Kargl <sgk@troutmask.apl.washington.edu> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r212373 - head/lib/libelf Message-ID: <20100910093736.GA2594@viskning> In-Reply-To: <20100910025402.GA98740@troutmask.apl.washington.edu> References: <201009091851.o89IpoFR019035@svn.freebsd.org> <20100910025402.GA98740@troutmask.apl.washington.edu>
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On Thu, Sep 09, 2010 at 07:54:02PM -0700, Steve Kargl wrote: > On Thu, Sep 09, 2010 at 06:51:50PM +0000, Kai Wang wrote: > > Author: kaiw > > Date: Thu Sep 9 18:51:50 2010 > > New Revision: 212373 > > URL: http://svn.freebsd.org/changeset/base/212373 > > > > Log: > > libelf is overly strict about the type and alignment of Elf_Data > > objects inside one ELF section, which prevents the creation of a ELF > > section with mixed data types. For example, gcc LTO use libelf to > > create a .gnu_lto_XXX section that contains integers and a string > > table, which doesn't work with our libelf implementation. > > > > The changes made in this commit include: > > * Allow Elf_Data type to be different than section type. > > * Relax Elf_Data alignment check. > > * Align each Elf_Data by their own alignment instead of section alignment. > > > > MFC after: 1 month > > > > Modified: > > head/lib/libelf/elf_update.c > > > > libelf still doesn't work with GCC. All testsuite failures > are of the form > > collect2: lto-wrapper returned 1 exit status > compiler exited with status 1 > output is: > lto1: error: could not open ELF file: Request error: invalid ELF_C_* argument > lto-wrapper: /usr/home/sgk/gcc/obj4x/gcc/testsuite/gfortran/../../gfortran returned 1 exit status > collect2: lto-wrapper returned 1 exit status Hi Steve, It seems that your lto1 was compiled with our libelf header but linked to GNU libelf. (I think "invalid ELF_C_* argument" is GNU libelf error message) Could you please check the value of "ldd /path/to/lto1" ? Thanks, Kai
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