From: H.J. Lu <hjl.tools@gmail.com>
Date: Fri, 30 Apr 2004 15:04:30 +0000 (+0000)
Subject: 2004-04-30  H.J. Lu  <hongjiu.lu@intel.com>
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=45c5e9ed661882b817374a636db04352dd875cec;p=binutils-gdb.git

2004-04-30  H.J. Lu  <hongjiu.lu@intel.com>

	* elf.c (bfd_section_from_shdr): Maintain the section order in
	a section group.
	(special_sections): Add ".note.GNU-stack".
	(elf_fake_sections): Handle section group for relocatable
	link..
---

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 1a431dad143..e7f9d7a467d 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,11 @@
+2004-04-30  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* elf.c (bfd_section_from_shdr): Maintain the section order in
+	a section group.
+	(special_sections): Add ".note.GNU-stack".
+	(elf_fake_sections): Handle section group for relocatable
+	link..
+
 2004-04-30  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* section.c (bfd_sections_find_if): New.
diff --git a/bfd/elf.c b/bfd/elf.c
index 159e040b45d..00443c2cc83 100644
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -1951,8 +1951,10 @@ bfd_section_from_shdr (bfd *abfd, unsigned int shindex)
 	    hdr->bfd_section->flags
 	      |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD;
 
+	  /* We try to keep the same section order as it comes in.  */
+	  idx += n_elt;
 	  while (--n_elt != 0)
-	    if ((s = (++idx)->shdr->bfd_section) != NULL
+	    if ((s = (--idx)->shdr->bfd_section) != NULL
 		&& elf_next_in_group (s) != NULL)
 	      {
 		elf_next_in_group (hdr->bfd_section) = s;
@@ -2060,6 +2062,7 @@ static struct bfd_elf_special_section const special_sections[] =
   { ".gnu.version",   12,  0, SHT_GNU_versym, 0 },
   { ".gnu.version_d", 14,  0, SHT_GNU_verdef, 0 },
   { ".gnu.version_r", 14,  0, SHT_GNU_verneed, 0 },
+  { ".note.GNU-stack",15,  0, SHT_PROGBITS, 0 },
   { ".note",           5, -1, SHT_NOTE,     0 },
   { ".rela",           5, -1, SHT_RELA,     0 },
   { ".rel",            4, -1, SHT_REL,      0 },
@@ -2392,7 +2395,31 @@ elf_fake_sections (bfd *abfd, asection *asect, void *failedptrarg)
      asect->flags.  */
   if (this_hdr->sh_type == SHT_NULL)
     {
-      if ((asect->flags & SEC_ALLOC) != 0
+      if ((asect->flags & SEC_GROUP) != 0)
+	{
+	  /* We also need to mark SHF_GROUP here for relocatable
+	     link.  */
+	  struct bfd_link_order *l;
+	  asection *elt;
+
+	  for (l = asect->link_order_head; l != NULL; l = l->next)
+	    if (l->type == bfd_indirect_link_order
+		&& (elt = elf_next_in_group (l->u.indirect.section)) != NULL)
+	      do
+		{
+		  /* The name is not important. Anything will do.  */
+		  elf_group_name (elt->output_section) = "G";
+		  elf_section_flags (elt->output_section) |= SHF_GROUP;
+
+		  elt = elf_next_in_group (elt);
+		  /* During a relocatable link, the lists are
+		     circular.  */
+		}
+	      while (elt != elf_next_in_group (l->u.indirect.section));
+
+	  this_hdr->sh_type = SHT_GROUP;
+	}
+      else if ((asect->flags & SEC_ALLOC) != 0
 	  && (((asect->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
 	      || (asect->flags & SEC_NEVER_LOAD) != 0))
 	this_hdr->sh_type = SHT_NOBITS;