From: Alan Modra <amodra@bigpond.net.au>
To: "H. J. Lu" <hjl@lucon.org>
Cc: binutils@sources.redhat.com
Subject: Re: PATCH: PR ld/2723: ld puts unused section symbols in symbol table
Date: Fri, 02 Jun 2006 02:30:00 -0000 [thread overview]
Message-ID: <20060602003515.GB26009@bubble.grove.modra.org> (raw)
In-Reply-To: <20060601201627.GA25377@lucon.org>
On Thu, Jun 01, 2006 at 01:16:27PM -0700, H. J. Lu wrote:
> Here is the patch. It just makes ld close to objcopy when handling
> section symbols.
Thanks very much for doing this. I committed a slightly different
elflink.c change.
Index: bfd/elflink.c
===================================================================
RCS file: /cvs/src/src/bfd/elflink.c,v
retrieving revision 1.216
diff -u -p -r1.216 elflink.c
--- bfd/elflink.c 24 May 2006 17:10:01 -0000 1.216
+++ bfd/elflink.c 2 Jun 2006 00:29:31 -0000
@@ -8125,18 +8125,19 @@ bfd_elf_final_link (bfd *abfd, struct bf
elfsym.st_size = 0;
elfsym.st_info = ELF_ST_INFO (STB_LOCAL, STT_SECTION);
elfsym.st_other = 0;
+ elfsym.st_value = 0;
for (i = 1; i < elf_numsections (abfd); i++)
{
o = bfd_section_from_elf_index (abfd, i);
if (o != NULL)
- o->target_index = bfd_get_symcount (abfd);
- elfsym.st_shndx = i;
- if (info->relocatable || o == NULL)
- elfsym.st_value = 0;
- else
- elfsym.st_value = o->vma;
- if (! elf_link_output_sym (&finfo, NULL, &elfsym, o, NULL))
- goto error_return;
+ {
+ o->target_index = bfd_get_symcount (abfd);
+ elfsym.st_shndx = i;
+ if (!info->relocatable)
+ elfsym.st_value = o->vma;
+ if (!elf_link_output_sym (&finfo, NULL, &elfsym, o, NULL))
+ goto error_return;
+ }
if (i == SHN_LORESERVE - 1)
i += SHN_HIRESERVE + 1 - SHN_LORESERVE;
}
--
Alan Modra
IBM OzLabs - Linux Technology Centre
next prev parent reply other threads:[~2006-06-02 0:35 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-01 0:41 Do we need section symbols for .shstrtab, .symtab, .strtab? H. J. Lu
2006-06-01 2:52 ` Alan Modra
2006-06-01 5:37 ` H. J. Lu
2006-06-01 6:08 ` Alan Modra
2006-06-02 0:35 ` PATCH: PR ld/2723: ld puts unused section symbols in symbol table H. J. Lu
2006-06-02 2:30 ` Alan Modra [this message]
2006-06-02 8:49 ` Alan Modra
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