From: Alan Modra <amodra@gmail.com>
Date: Tue, 13 Jan 2004 00:31:07 +0000 (+0000)
Subject: 	* elf64-ppc.c (ppc64_elf_check_relocs): Ignore !SEC_ALLOC relocs.
X-Git-Tag: cagney_bigcore-20040122-branchpoint~145
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=680a337845b837650c574938b2418376fe282d23;p=external%2Fbinutils.git

	* elf64-ppc.c (ppc64_elf_check_relocs): Ignore !SEC_ALLOC relocs.
	(ppc64_elf_gc_sweep_hook): Likewise.
	(ppc64_elf_size_dynamic_sections): Test for .plt directly.
---

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 811fb8f..2bc8d44 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,11 +1,17 @@
+2004-01-13  Alan Modra  <amodra@bigpond.net.au>
+
+	* elf64-ppc.c (ppc64_elf_check_relocs): Ignore !SEC_ALLOC relocs.
+	(ppc64_elf_gc_sweep_hook): Likewise.
+	(ppc64_elf_size_dynamic_sections): Test for .plt directly.
+
 2004-01-12  Anil Paranjpe  <anilp1@KPITCummins.com>
 
 	Adds linker relaxation support for bit manipulation insns like
-	band, bclr, biand, bild, bior, bist, bixor, bld, bnot, bor, bset, 
+	band, bclr, biand, bild, bior, bist, bixor, bld, bnot, bor, bset,
 	bst, btst, bxor.
-	* elf32-h8300.c : Opcode for bit manipulation insn is checked in 
+	* elf32-h8300.c: Opcode for bit manipulation insn is checked in
 	elf32_h8_relax_section function while relxation for aa:16 and aa:32.
-	* coff-h8300.c  : Opcode for bit manipulation insn is checked in 
+	* coff-h8300.c: Opcode for bit manipulation insn is checked in
 	h8300_reloc16_extra_cases function while relxation for aa:16 and aa:32.
 
 2004-01-12  Alan Modra  <amodra@bigpond.net.au>
diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c
index 3ed9042..304a635 100644
--- a/bfd/elf64-ppc.c
+++ b/bfd/elf64-ppc.c
@@ -3590,6 +3590,15 @@ ppc64_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
   if (info->relocatable)
     return TRUE;
 
+  /* Don't do anything special with non-loaded, non-alloced sections.
+     In particular, any relocs in such sections should not affect GOT
+     and PLT reference counting (ie. we don't allow them to create GOT
+     or PLT entries), there's no possibility or desire to optimize TLS
+     relocs, and there's not much point in propagating relocs to shared
+     libs that the dynamic linker won't relocate.  */
+  if ((sec->flags & SEC_ALLOC) == 0)
+    return TRUE;
+
   htab = ppc_hash_table (info);
   symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
 
@@ -3947,10 +3956,6 @@ ppc64_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
 	  if (NO_OPD_RELOCS && opd_sym_map != NULL)
 	    break;
 
-	  /* Don't propagate relocs that the dynamic linker won't relocate.  */
-	  if ((sec->flags & SEC_ALLOC) == 0)
-	    break;
-
 	  /* If we are creating a shared library, and this is a reloc
 	     against a global symbol, or a non PC relative reloc
 	     against a local symbol, then we need to copy the reloc
@@ -4166,6 +4171,9 @@ ppc64_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
   struct got_entry **local_got_ents;
   const Elf_Internal_Rela *rel, *relend;
 
+  if ((sec->flags & SEC_ALLOC) == 0)
+    return TRUE;
+
   elf_section_data (sec)->local_dynrel = NULL;
 
   htab = ppc_hash_table (info);
@@ -6001,7 +6009,7 @@ ppc64_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
 	}
 
       /* .plt is in the bss section.  We don't initialise it.  */
-      if ((s->flags & SEC_LOAD) == 0)
+      if (s == htab->plt)
 	continue;
 
       /* Allocate memory for the section contents.  We use bfd_zalloc