PR 3958

bfd/
	* elf-bfd.h (RELOC_FOR_GLOBAL_SYMBOL): No error on relocatable link.
	(elf_discarded_section): Move..
	* bfd-in.h: ..to here.
	* bfd-in2.h: Regenerate.
	* elflink.c (elf_link_input_bfd): Don't zap relocs against symbols
	from discarded sections before relocate_section has done its job.
	* reloc.c (bfd_generic_get_relocated_section_contents): Handle
	relocs against symbols from discarded sections.
	* elf-hppa.h (elf_hppa_howto_table): Set size.  Set dst_mask on
	SECREL32.
	(elf_hppa_relocate_section): Handle relocatable link after setting
	sec, sym, h etc. for final link.  Squash error messages for
	relocatable link.  Clear section contents for relocs against
	symbols in discarded sections, and zero reloc.  Remove existing
	zero r_symndx code.
	* elf-m10200.c (mn10200_elf_relocate_section): Likewise.
	* elf-m10300.c (mn10300_elf_relocate_section): Likewise.
	* elf32-arm.c (elf32_arm_relocate_section): Likewise.
	* elf32-avr.c (elf32_avr_relocate_section): Likewise.
	* elf32-bfin.c (bfinfdpic_relocate_section): Likewise.
	(bfin_relocate_section): Likewise.
	* elf32-cr16c.c (elf32_cr16c_relocate_section): Likewise.
	* elf32-cris.c (cris_elf_relocate_section): Likewise.
	* elf32-crx.c (elf32_crx_relocate_section): Likewise.
	* elf32-d10v.c (elf32_d10v_relocate_section): Likewise.
	* elf32-fr30.c (fr30_elf_relocate_section): Likewise.
	* elf32-frv.c (elf32_frv_relocate_section): Likewise.
	* elf32-h8300.c (elf32_h8_relocate_section): Likewise.
	* elf32-hppa.c (elf32_hppa_relocate_section): Likewise.
	* elf32-i370.c (i370_elf_relocate_section): Likewise.
	* elf32-i386.c (elf_i386_relocate_section): Likewise.
	* elf32-i860.c (elf32_i860_relocate_section): Likewise.
	* elf32-ip2k.c (ip2k_elf_relocate_section): Likewise.
	* elf32-iq2000.c (iq2000_elf_relocate_section): Likewise.
	* elf32-m32c.c (m32c_elf_relocate_section): Likewise.
	* elf32-m32r.c (m32r_elf_relocate_section): Likewise.
	* elf32-m68hc1x.c (elf32_m68hc11_check_relocs): Likewise.
	* elf32-m68k.c (elf_m68k_relocate_section): Likewise.
	* elf32-mcore.c (mcore_elf_relocate_section): Likewise.
	* elf32-mep.c (mep_elf_relocate_section): Likewise.
	* elf32-msp430.c (elf32_msp430_relocate_section): Likewise.
	* elf32-mt.c (mt_elf_relocate_section): Likewise.
	* elf32-openrisc.c (openrisc_elf_relocate_section): Likewise.
	* elf32-ppc.c (ppc_elf_relocate_section): Likewise.
	* elf32-s390.c (elf_s390_relocate_section): Likewise.
	* elf32-score.c (_bfd_score_elf_relocate_section): Likewise.
	* elf32-sh.c (sh_elf_relocate_section): Likewise.
	* elf32-spu.c (spu_elf_relocate_section): Likewise.
	* elf32-v850.c (v850_elf_relocate_section): Likewise.
	* elf32-vax.c (elf_vax_relocate_section): Likewise.
	* elf32-xc16x.c (elf32_xc16x_relocate_section): Likewise.
	* elf32-xstormy16.c (xstormy16_elf_relocate_section): Likewise.
	* elf32-xtensa.c (elf_xtensa_relocate_section): Likewise.
	* elf64-alpha.c (elf64_alpha_relocate_section_r): Likewise.
	(elf64_alpha_relocate_section): Likewise.
	* elf64-mmix.c (mmix_elf_relocate_section): Likewise.
	* elf64-ppc.c (ppc64_elf_relocate_section): Likewise.
	* elf64-s390.c (elf_s390_relocate_section): Likewise.
	* elf64-sh64.c (sh_elf64_relocate_section): Likewise.
	* elf64-x86-64.c (elf64_x86_64_relocate_section): Likewise.
	* elfxx-ia64.c (elfNN_ia64_relocate_section): Likewise.
	* elfxx-mips.c (_bfd_mips_elf_relocate_section): Likewise.
	* elfxx-sparc.c (_bfd_sparc_elf_relocate_section): Likewise.

	* elf32-arm.c (elf32_arm_relocate_section): Always adjust section
	symbols for relocatable link.  Don't use always-zero st_value.
	(elf_backend_rela_normal): Don't define.
	* elf32-bfin.c (bfinfdpic_relocate_section): Use
	RELOC_FOR_GLOBAL_SYMBOL.
	* elf32-frv.c (elf32_frv_relocate_section): Likewise.
	* elf32-d10v.c (elf32_d10v_relocate_section): Combine SEC_MERGE
	section symbol adjustments with same for relocatable link.
	* elf32-i386.c (elf_i386_relocate_section): Likewise.
	* elf32-m68hc1x.c (m68hc11_get_relocation_value): Move..
	(elf32_m68hc11_check_relocs): ..to here.
	* elf32-score.c (score_elf_final_link_relocate): Remove zero
	r_symndx code.
	* elfxx-mips.c (mips_elf_calculate_relocation): Likewise.

ld/testsuite/
	* ld-elf/linkonce1.d: New.
	* ld-elf/linkonce1a.s: New.
	* ld-elf/linkonce1b.s: New.
	* ld-elf/linkonce2.d: New.
	* ld-i386/pcrel16abs.d: New.
	* ld-i386/pcrel16abs.s: New.
	* ld-i386/i386.exp: Run it.

1 files changed, 42 insertions, 40 deletions

diff --git a/bfd/elf64-mmix.c b/bfd/elf64-mmix.c
index e18f4a1..2e9577c 100644
--- a/bfd/elf64-mmix.c
+++ b/bfd/elf64-mmix.c
@@ -1,5 +1,5 @@
 /* MMIX-specific support for 64-bit ELF.
-   Copyright 2001, 2002, 2003, 2004, 2005, 2006
+   Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007
    Free Software Foundation, Inc.
    Contributed by Hans-Peter Nilsson <hp@bitrange.com>
 
@@ -1365,22 +1365,53 @@ mmix_elf_relocate_section (output_bfd, info, input_bfd, input_section,
 
       r_symndx = ELF64_R_SYM (rel->r_info);
 
+      howto = elf_mmix_howto_table + ELF64_R_TYPE (rel->r_info);
+      h = NULL;
+      sym = NULL;
+      sec = NULL;
+
+      if (r_symndx < symtab_hdr->sh_info)
+	{
+	  sym = local_syms + r_symndx;
+	  sec = local_sections [r_symndx];
+	  relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
+
+	  name = bfd_elf_string_from_elf_section (input_bfd,
+						  symtab_hdr->sh_link,
+						  sym->st_name);
+	  if (name == NULL)
+	    name = bfd_section_name (input_bfd, sec);
+	}
+      else
+	{
+	  bfd_boolean unresolved_reloc;
+
+	  RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
+				   r_symndx, symtab_hdr, sym_hashes,
+				   h, sec, relocation,
+				   unresolved_reloc, undefined_signalled);
+	  name = h->root.root.string;
+	}
+
+      if (sec != NULL && elf_discarded_section (sec))
+	{
+	  /* For relocs against symbols from removed linkonce sections,
+	     or sections discarded by a linker script, we just want the
+	     section contents zeroed.  Avoid any special processing.  */
+	  _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
+	  rel->r_info = 0;
+	  rel->r_addend = 0;
+	  continue;
+	}
+
       if (info->relocatable)
 	{
 	  /* This is a relocatable link.  For most relocs we don't have to
 	     change anything, unless the reloc is against a section
 	     symbol, in which case we have to adjust according to where
 	     the section symbol winds up in the output section.  */
-	  if (r_symndx < symtab_hdr->sh_info)
-	    {
-	      sym = local_syms + r_symndx;
-
-	      if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
-		{
-		  sec = local_sections [r_symndx];
-		  rel->r_addend += sec->output_offset + sym->st_value;
-		}
-	    }
+	  if (sym != NULL && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
+	    rel->r_addend += sec->output_offset;
 
 	  /* For PUSHJ stub relocs however, we may need to change the
 	     reloc and the section contents, if the reloc doesn't reach
@@ -1454,35 +1485,6 @@ mmix_elf_relocate_section (output_bfd, info, input_bfd, input_section,
 	  continue;
 	}
 
-      /* This is a final link.  */
-      howto = elf_mmix_howto_table + ELF64_R_TYPE (rel->r_info);
-      h = NULL;
-      sym = NULL;
-      sec = NULL;
-
-      if (r_symndx < symtab_hdr->sh_info)
-	{
-	  sym = local_syms + r_symndx;
-	  sec = local_sections [r_symndx];
-	  relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
-
-	  name = bfd_elf_string_from_elf_section (input_bfd,
-						  symtab_hdr->sh_link,
-						  sym->st_name);
-	  if (name == NULL)
-	    name = bfd_section_name (input_bfd, sec);
-	}
-      else
-	{
-	  bfd_boolean unresolved_reloc;
-
-	  RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
-				   r_symndx, symtab_hdr, sym_hashes,
-				   h, sec, relocation,
-				   unresolved_reloc, undefined_signalled);
-	  name = h->root.root.string;
-	}
-
       r = mmix_final_link_relocate (howto, input_section,
 				    contents, rel->r_offset,
 				    rel->r_addend, relocation, name, sec);