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yann@1
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See http://sources.redhat.com/ml/binutils/2004-08/msg00256.html
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yann@1
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yann@1
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Date: Fri, 20 Aug 2004 21:13:43 -0400
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yann@1
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From: Daniel Jacobowitz <drow at false dot org>
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yann@1
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To: binutils at sources dot redhat dot com
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yann@1
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Subject: Re: Handle SEC_LINK_DUPLICATES_SAME_CONTENTS for arm-linux
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yann@1
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Message-ID: <20040821011342.GA30319@nevyn.them.org>
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yann@1
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Mail-Followup-To: binutils at sources dot redhat dot com
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yann@1
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References: <20040818145518.GA9774@nevyn.them.org> <20040819055040.GA11820@lucon.org> <20040819080034.GE21716@bubble.modra.org> <20040820173240.GA17678@nevyn.them.org> <20040821003737.GB16016@bubble.modra.org>
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yann@1
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In-Reply-To: <20040821003737 dot GB16016 at bubble dot modra dot org>
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yann@1
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yann@1
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On Sat, Aug 21, 2004 at 10:07:38AM +0930, Alan Modra wrote:
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yann@1
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> On Fri, Aug 20, 2004 at 01:32:40PM -0400, Daniel Jacobowitz wrote:
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yann@1
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> > Thanks. How's this?
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yann@1
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>
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yann@1
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> As you might have guessed from my rather slack review of your previous
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yann@1
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> patch, I trust you enough to give the OK without proper review. But
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yann@1
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> since you asked... :)
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yann@1
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yann@1
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Checked in as so.
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yann@1
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yann@1
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--
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yann@1
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Daniel Jacobowitz
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yann@1
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2004-08-20 Daniel Jacobowitz <dan@debian.org>
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* elflink.c (_bfd_elf_section_already_linked): Handle
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SEC_LINK_DUPLICATES_SAME_CONTENTS.
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Index: elflink.c
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===================================================================
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RCS file: /big/fsf/rsync/src-cvs/src/bfd/elflink.c,v
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yann@1
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retrieving revision 1.97
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diff -u -p -r1.97 elflink.c
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--- binutils/bfd/elflink.c 18 Aug 2004 02:45:42 -0000 1.97
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+++ binutils/bfd/elflink.c 21 Aug 2004 00:59:08 -0000
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@@ -9366,6 +9366,36 @@ _bfd_elf_section_already_linked (bfd *ab
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(_("%B: duplicate section `%A' has different size\n"),
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abfd, sec);
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break;
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+
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+ case SEC_LINK_DUPLICATES_SAME_CONTENTS:
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+ if (sec->size != l->sec->size)
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+ (*_bfd_error_handler)
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+ (_("%B: duplicate section `%A' has different size\n"),
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+ abfd, sec);
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+ else if (sec->size != 0)
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+ {
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+ bfd_byte *sec_contents, *l_sec_contents;
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+
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+ if (!bfd_malloc_and_get_section (abfd, sec, &sec_contents))
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+ (*_bfd_error_handler)
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+ (_("%B: warning: could not read contents of section `%A'\n"),
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+ abfd, sec);
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+ else if (!bfd_malloc_and_get_section (l->sec->owner, l->sec,
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+ &l_sec_contents))
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+ (*_bfd_error_handler)
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+ (_("%B: warning: could not read contents of section `%A'\n"),
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+ l->sec->owner, l->sec);
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+ else if (memcmp (sec_contents, l_sec_contents, sec->size) != 0)
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yann@1
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+ (*_bfd_error_handler)
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+ (_("%B: warning: duplicate section `%A' has different contents\n"),
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+ abfd, sec);
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+
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+ if (sec_contents)
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+ free (sec_contents);
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+ if (l_sec_contents)
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+ free (l_sec_contents);
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yann@1
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+ }
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+ break;
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yann@1
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}
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yann@1
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yann@1
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/* Set the output_section field so that lang_add_section
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