bfd/

2003-07-25  H.J. Lu  <hongjiu.lu@intel.com>

	* elf-bfd.h (bfd_elf_special_section): New.
	(elf_backend_data): Add special_sections, a pointer to
	bfd_elf_special_section.
	(elf_section_type). New.
	(elf_section_flags): New.
	(_bfd_elf_get_sec_type_attr): New.

	* elf.c (_bfd_elf_make_section_from_shdr): Always use the
	real section type/flags.
	(special_sections): New.
	(get_special_section): New.
	(_bfd_elf_get_sec_type_attr): New.
	(_bfd_elf_new_section_hook): Check special_section to set
	elf_section_type and elf_section_flags.
	(elf_fake_sections): Don't use section name to set ELF section
	data.

	* elf32-m32r.c (m32r_elf_special_sections): New.
	(elf_backend_special_sections): Defined.

	* elf32-m68hc11.c (elf32_m68hc11_special_sections): New.
	(elf_backend_special_sections): Defined.

	* elf32-mcore.c (mcore_elf_special_sections): New.
	(elf_backend_special_sections): Defined.

	* elf32-ppc.c (ppc_elf_special_sections): New.
	(elf_backend_special_sections): Defined.

	* elf32-sh64.c (sh64_elf_special_sections): New.
	(elf_backend_special_sections): Defined.

	* elf32-v850.c (v850_elf_special_sections): New.
	(elf_backend_special_sections): Defined.

	* elf32-xtensa.c (elf_xtensa_special_sections): New.
	(elf_backend_special_sections): Defined.

	* elf64-alpha.c (elf64_alpha_special_sections): New.
	(elf_backend_special_sections): Defined.

	* elf64-hppa.c (elf64_hppa_special_sections): New.
	(elf_backend_special_sections): Defined.

	* elf64-ppc.c (ppc64_elf_special_sections): New.
	(elf_backend_special_sections): Defined.

	* elf64-sh64.c (sh64_elf64_special_sections): New.
	(elf_backend_special_sections): Defined.

	* elfxx-ia64.c (elfNN_ia64_special_sections): New.
	(elf_backend_special_sections): Defined.

	* elfxx-mips.c (_bfd_mips_elf_special_sections): New.

	* elfxx-mips.h (_bfd_mips_elf_special_sections): New.
	(elf_backend_special_sections): Defined.

	* elfxx-target.h (elf_backend_special_sections): New. Default
	to NULL.
	(elfNN_bed): Initialize special_sections.

	* section.c (bfd_abs_section): Remove const.
	(bfd_und_section): Likewise.
	(bfd_com_section): Likewise.
	(bfd_ind_section): Likewise.

gas/

2003-07-25  H.J. Lu  <hongjiu.lu@intel.com>

	* config/obj-elf.c (special_sections): Removed.
	(obj_elf_change_section): Call _bfd_elf_get_sec_type_attr. Set
	elf_section_type and elf_section_flags.
	(elf_frob_file): Set SHT_GROUP.

	* config/obj-elf.h (obj_sec_set_private_data): New.

	* config/tc-alpha.h (ELF_TC_SPECIAL_SECTIONS): Removed.
	* config/tc-ia64.h: Likewise.
	* config/tc-m32r.h: Likewise.
	* config/tc-m68hc11.h: Likewise.
	* config/tc-mcore.h: Likewise.
	* config/tc-mips.h: Likewise.
	* config/tc-ppc.h: Likewise.
	* config/tc-sh64.h: Likewise.
	* config/tc-v850.h: Likewise.
	* config/tc-xtensa.h: Likewise.

	* config/tc-v850.h (SHF_V850_GPREL): Removed.
	(SHF_V850_EPREL): Likewise.
	(SHF_V850_R0REL): Likewise.

	* subsegs.c (subseg_get): Call obj_sec_set_private_data if it
	is defined.

include/elf/

2003-07-25  H.J. Lu  <hongjiu.lu@intel.com>

	* v850.h (SHF_V850_GPREL): New.
	(SHF_V850_EPREL): Likewise.
	(SHF_V850_R0REL): Likewise.

19 files changed, 527 insertions, 63 deletions

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index f95dea1..643f13e 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,72 @@
+2003-07-25  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* elf-bfd.h (bfd_elf_special_section): New.
+	(elf_backend_data): Add special_sections, a pointer to
+	bfd_elf_special_section.
+	(elf_section_type). New.
+	(elf_section_flags): New.
+	(_bfd_elf_get_sec_type_attr): New.
+
+	* elf.c (_bfd_elf_make_section_from_shdr): Always use the
+	real section type/flags.
+	(special_sections): New.
+	(get_special_section): New.
+	(_bfd_elf_get_sec_type_attr): New.
+	(_bfd_elf_new_section_hook): Check special_section to set
+	elf_section_type and elf_section_flags.
+	(elf_fake_sections): Don't use section name to set ELF section
+	data.
+
+	* elf32-m32r.c (m32r_elf_special_sections): New.
+	(elf_backend_special_sections): Defined.
+
+	* elf32-m68hc11.c (elf32_m68hc11_special_sections): New.
+	(elf_backend_special_sections): Defined.
+
+	* elf32-mcore.c (mcore_elf_special_sections): New.
+	(elf_backend_special_sections): Defined.
+
+	* elf32-ppc.c (ppc_elf_special_sections): New.
+	(elf_backend_special_sections): Defined.
+
+	* elf32-sh64.c (sh64_elf_special_sections): New.
+	(elf_backend_special_sections): Defined.
+
+	* elf32-v850.c (v850_elf_special_sections): New.
+	(elf_backend_special_sections): Defined.
+
+	* elf32-xtensa.c (elf_xtensa_special_sections): New.
+	(elf_backend_special_sections): Defined.
+
+	* elf64-alpha.c (elf64_alpha_special_sections): New.
+	(elf_backend_special_sections): Defined.
+
+	* elf64-hppa.c (elf64_hppa_special_sections): New.
+	(elf_backend_special_sections): Defined.
+
+	* elf64-ppc.c (ppc64_elf_special_sections): New.
+	(elf_backend_special_sections): Defined.
+
+	* elf64-sh64.c (sh64_elf64_special_sections): New.
+	(elf_backend_special_sections): Defined.
+
+	* elfxx-ia64.c (elfNN_ia64_special_sections): New.
+	(elf_backend_special_sections): Defined.
+
+	* elfxx-mips.c (_bfd_mips_elf_special_sections): New.
+
+	* elfxx-mips.h (_bfd_mips_elf_special_sections): New.
+	(elf_backend_special_sections): Defined.
+
+	* elfxx-target.h (elf_backend_special_sections): New. Default
+	to NULL.
+	(elfNN_bed): Initialize special_sections.
+
+	* section.c (bfd_abs_section): Remove const.
+	(bfd_und_section): Likewise.
+	(bfd_com_section): Likewise.
+	(bfd_ind_section): Likewise.
+
 2003-07-24  Nick Clifton  <nickc@redhat.com>
 
 	* coff-arm.c (EXTRA_S_FLAGS): Include SEC_CODE so that code
diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index 2aa0c59..d297a77 100644
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -510,6 +510,17 @@ typedef enum {
   ict_irix6
 } irix_compat_t;
 
+/* Mapping of ELF section names and types.  */
+struct bfd_elf_special_section
+{
+  const char *prefix;
+  size_t prefix_length;
+  const char *suffix;
+  size_t suffix_length;
+  int type;
+  int attributes;
+};
+
 struct elf_backend_data
 {
   /* The architecture for this backend.  */
@@ -871,6 +882,9 @@ struct elf_backend_data
 
   const struct elf_size_info *s;
 
+  /* An array of target specific special section map.  */
+  const struct bfd_elf_special_section *special_sections;
+
   /* offset of the _GLOBAL_OFFSET_TABLE_ symbol from the start of the
      .got section */
   bfd_vma got_symbol_offset;
@@ -1006,6 +1020,8 @@ struct bfd_elf_section_data
 };
 
 #define elf_section_data(sec)  ((struct bfd_elf_section_data*)sec->used_by_bfd)
+#define elf_section_type(sec)  (elf_section_data(sec)->this_hdr.sh_type)
+#define elf_section_flags(sec) (elf_section_data(sec)->this_hdr.sh_flags)
 #define elf_group_name(sec)    (elf_section_data(sec)->group.name)
 #define elf_group_id(sec)      (elf_section_data(sec)->group.id)
 #define elf_next_in_group(sec) (elf_section_data(sec)->next_in_group)
@@ -1374,6 +1390,8 @@ extern bfd_boolean _bfd_elf_new_section_hook
   PARAMS ((bfd *, asection *));
 extern bfd_boolean _bfd_elf_init_reloc_shdr
   PARAMS ((bfd *, Elf_Internal_Shdr *, asection *, bfd_boolean));
+extern bfd_boolean _bfd_elf_get_sec_type_attr (bfd *, const char *,
+					       int *, int *);
 
 /* If the target doesn't have reloc handling written yet:  */
 extern void _bfd_elf_no_info_to_howto
diff --git a/bfd/elf.c b/bfd/elf.c
index e342821..95aa192 100644
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -741,6 +741,10 @@ _bfd_elf_make_section_from_shdr (abfd, hdr, name)
   if (newsect == NULL)
     return FALSE;
 
+  /* Always use the real type/flags.  */
+  elf_section_type (newsect) = hdr->sh_type;
+  elf_section_flags (newsect) = hdr->sh_flags;
+
   newsect->filepos = hdr->sh_offset;
 
   if (! bfd_set_section_vma (abfd, newsect, hdr->sh_addr)
@@ -2139,12 +2143,145 @@ bfd_section_from_elf_index (abfd, index)
   return elf_elfsections (abfd)[index]->bfd_section;
 }
 
+static struct bfd_elf_special_section const special_sections[] =
+{
+  { ".bss",		0,	NULL,	0,
+    SHT_NOBITS,		SHF_ALLOC + SHF_WRITE },
+  { ".comment",		0,	NULL,	0,
+    SHT_PROGBITS,	0 },
+  { ".data",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE },
+  { ".data1",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE },
+  { ".debug",		0,	NULL,	0,
+    SHT_PROGBITS,	0 },
+  { ".fini",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_EXECINSTR },
+  { ".init",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_EXECINSTR },
+  { ".line",		0,	NULL,	0,
+    SHT_PROGBITS,	0 },
+  { ".rodata",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC },
+  { ".rodata1",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC },
+  { ".tbss",		0,	NULL,	0,
+    SHT_NOBITS,		SHF_ALLOC + SHF_WRITE + SHF_TLS },
+  { ".tdata",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE + SHF_TLS },
+  { ".text",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_EXECINSTR },
+  { ".init_array",	0,	NULL,	0,
+    SHT_INIT_ARRAY,	SHF_ALLOC + SHF_WRITE },
+  { ".fini_array",	0,	NULL,	0,
+    SHT_FINI_ARRAY, SHF_ALLOC + SHF_WRITE },
+  { ".preinit_array",	0,	NULL,	0,
+    SHT_PREINIT_ARRAY, SHF_ALLOC + SHF_WRITE },
+  { ".debug_line",	0,	NULL,	0,
+    SHT_PROGBITS,	0 },
+  { ".debug_info",	0,	NULL,	0,
+    SHT_PROGBITS,	0 },
+  { ".debug_abbrev",	0,	NULL,	0,
+    SHT_PROGBITS,	0 },
+  { ".debug_aranges",	0,	NULL,	0,
+    SHT_PROGBITS,	0 },
+  { ".dynamic",		0,	NULL,	0,
+    SHT_DYNAMIC,	SHF_ALLOC },
+  { ".dynstr",		0,	NULL,	0,
+    SHT_STRTAB,		SHF_ALLOC },
+  { ".dynsym",		0,	NULL,	0,
+    SHT_DYNSYM,		SHF_ALLOC },
+  { ".got",		0,	NULL,	0,
+    SHT_PROGBITS,	0 },
+  { ".hash",		0,	NULL,	0,
+    SHT_HASH,		SHF_ALLOC },
+  { ".interp",		0,	NULL,	0,
+    SHT_PROGBITS,	0 },
+  { ".plt",		0,	NULL,	0,
+    SHT_PROGBITS,	0 },
+  { ".shstrtab",	0,	NULL,	0,
+    SHT_STRTAB,		0 },
+  { ".strtab",		0,	NULL,	0,
+    SHT_STRTAB,		0 },
+  { ".symtab",		0,	NULL,	0,
+    SHT_SYMTAB,		0 },
+  { ".gnu.version",	0,	NULL,	0,
+    SHT_GNU_versym,	0 },
+  { ".gnu.version_d",	0,	NULL,	0,
+    SHT_GNU_verdef,	0 },
+  { ".gnu.version_r",	0,	NULL,	0,
+    SHT_GNU_verneed,	0 },
+  { ".note",		5,	NULL,	0,
+    SHT_NOTE,		0 },
+  { ".rela",		5,	NULL,	0,
+    SHT_RELA,		0 },
+  { ".rel",		4,	NULL,	0,
+    SHT_REL,	0 },
+  { ".stab",		5,	"str",	3,
+    SHT_STRTAB,		0 },
+  { NULL,		0,	NULL,	0,
+    0,		0 }
+};
+
+static const struct bfd_elf_special_section *
+get_special_section (const char *name,
+		     const struct bfd_elf_special_section *special_sections,
+		     unsigned int rela)
+{
+  int i;
+
+  for (i = 0; special_sections[i].prefix != NULL; i++)
+    if (((special_sections[i].prefix_length
+	  && strncmp (name, special_sections[i].prefix,
+		      special_sections[i].prefix_length) == 0
+	  && (! special_sections[i].suffix_length
+	      || strcmp ((name + strlen (name)
+			  - special_sections[i].suffix_length),
+			 special_sections[i].suffix) == 0))
+	 || strcmp (name, special_sections[i].prefix) == 0)
+	&& (rela || special_sections[i].type != SHT_RELA))
+      return &special_sections[i];
+
+  return NULL;
+}
+
+bfd_boolean
+_bfd_elf_get_sec_type_attr (bfd *abfd, const char *name,
+			    int *type, int *attr)
+{
+  bfd_boolean found = FALSE;
+  struct elf_backend_data *bed = get_elf_backend_data (abfd);
+
+  /* See if this is one of the special sections.  */
+  if (name)
+    {
+      const struct bfd_elf_special_section *ssect = NULL;
+      unsigned int rela = get_elf_backend_data (abfd)->default_use_rela_p;
+
+      if (bed->special_sections)
+	ssect = get_special_section (name, bed->special_sections, rela);
+
+      if (! ssect)
+	ssect = get_special_section (name, special_sections, rela);
+
+      if (ssect)
+	{
+	  *type = ssect->type;
+	  *attr = ssect->attributes;
+	  found = TRUE;
+	}
+    }
+
+  return found;
+}
+
 bfd_boolean
 _bfd_elf_new_section_hook (abfd, sec)
      bfd *abfd;
      asection *sec;
 {
   struct bfd_elf_section_data *sdata;
+  int type, attr;
 
   sdata = (struct bfd_elf_section_data *) sec->used_by_bfd;
   if (sdata == NULL)
@@ -2156,6 +2293,19 @@ _bfd_elf_new_section_hook (abfd, sec)
       sec->used_by_bfd = (PTR) sdata;
     }
 
+  if ((sec->flags & SEC_ALLOC) != 0
+      && (((sec->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
+	  || (sec->flags & SEC_NEVER_LOAD) != 0))
+    elf_section_type (sec) = SHT_NOBITS;
+  else
+    elf_section_type (sec) = SHT_PROGBITS;
+  if (sec->name && _bfd_elf_get_sec_type_attr (abfd, sec->name,
+					       &type, &attr))
+    {
+      elf_section_type (sec) = type;
+      elf_section_flags (sec) = attr;
+    }
+
   /* Indicate whether or not this section should use RELA relocations.  */
   sec->use_rela_p = get_elf_backend_data (abfd)->default_use_rela_p;
 
@@ -2394,55 +2544,52 @@ elf_fake_sections (abfd, asect, failedptrarg)
   this_hdr->bfd_section = asect;
   this_hdr->contents = NULL;
 
-  /* FIXME: This should not be based on section names.  */
-  if (strcmp (asect->name, ".dynstr") == 0)
-    this_hdr->sh_type = SHT_STRTAB;
-  else if (strcmp (asect->name, ".hash") == 0)
+  switch (this_hdr->sh_type)
     {
-      this_hdr->sh_type = SHT_HASH;
+    default:
+      (*_bfd_error_handler)
+       (_("%s: Section `%s' has unknown type 0x%0x"),
+	bfd_get_filename (asect->owner), asect->name,
+	this_hdr->sh_type);
+      abort ();
+      break;
+
+    case SHT_STRTAB:
+    case SHT_INIT_ARRAY:
+    case SHT_FINI_ARRAY:
+    case SHT_PREINIT_ARRAY:
+    case SHT_NOTE:
+    case SHT_NOBITS:
+    case SHT_PROGBITS:
+      break;
+
+    case SHT_HASH:
       this_hdr->sh_entsize = bed->s->sizeof_hash_entry;
-    }
-  else if (strcmp (asect->name, ".dynsym") == 0)
-    {
-      this_hdr->sh_type = SHT_DYNSYM;
+      break;
+  
+    case SHT_DYNSYM:
       this_hdr->sh_entsize = bed->s->sizeof_sym;
-    }
-  else if (strcmp (asect->name, ".dynamic") == 0)
-    {
-      this_hdr->sh_type = SHT_DYNAMIC;
+      break;
+
+    case SHT_DYNAMIC:
       this_hdr->sh_entsize = bed->s->sizeof_dyn;
-    }
-  else if (strncmp (asect->name, ".rela", 5) == 0
-	   && get_elf_backend_data (abfd)->may_use_rela_p)
-    {
-      this_hdr->sh_type = SHT_RELA;
-      this_hdr->sh_entsize = bed->s->sizeof_rela;
-    }
-  else if (strncmp (asect->name, ".rel", 4) == 0
-	   && get_elf_backend_data (abfd)->may_use_rel_p)
-    {
-      this_hdr->sh_type = SHT_REL;
-      this_hdr->sh_entsize = bed->s->sizeof_rel;
-    }
-  else if (strcmp (asect->name, ".init_array") == 0)
-    this_hdr->sh_type = SHT_INIT_ARRAY;
-  else if (strcmp (asect->name, ".fini_array") == 0)
-    this_hdr->sh_type = SHT_FINI_ARRAY;
-  else if (strcmp (asect->name, ".preinit_array") == 0)
-    this_hdr->sh_type = SHT_PREINIT_ARRAY;
-  else if (strncmp (asect->name, ".note", 5) == 0)
-    this_hdr->sh_type = SHT_NOTE;
-  else if (strncmp (asect->name, ".stab", 5) == 0
-	   && strcmp (asect->name + strlen (asect->name) - 3, "str") == 0)
-    this_hdr->sh_type = SHT_STRTAB;
-  else if (strcmp (asect->name, ".gnu.version") == 0)
-    {
-      this_hdr->sh_type = SHT_GNU_versym;
+      break;
+
+    case SHT_RELA:
+      if (get_elf_backend_data (abfd)->may_use_rela_p)
+	this_hdr->sh_entsize = bed->s->sizeof_rela;
+      break;
+
+     case SHT_REL:
+      if (get_elf_backend_data (abfd)->may_use_rel_p)
+	this_hdr->sh_entsize = bed->s->sizeof_rel;
+      break;
+
+     case SHT_GNU_versym:
       this_hdr->sh_entsize = sizeof (Elf_External_Versym);
-    }
-  else if (strcmp (asect->name, ".gnu.version_d") == 0)
-    {
-      this_hdr->sh_type = SHT_GNU_verdef;
+      break;
+
+     case SHT_GNU_verdef:
       this_hdr->sh_entsize = 0;
       /* objcopy or strip will copy over sh_info, but may not set
          cverdefs.  The linker will set cverdefs, but sh_info will be
@@ -2452,10 +2599,9 @@ elf_fake_sections (abfd, asect, failedptrarg)
       else
 	BFD_ASSERT (elf_tdata (abfd)->cverdefs == 0
 		    || this_hdr->sh_info == elf_tdata (abfd)->cverdefs);
-    }
-  else if (strcmp (asect->name, ".gnu.version_r") == 0)
-    {
-      this_hdr->sh_type = SHT_GNU_verneed;
+      break;
+
+    case SHT_GNU_verneed:
       this_hdr->sh_entsize = 0;
       /* objcopy or strip will copy over sh_info, but may not set
          cverrefs.  The linker will set cverrefs, but sh_info will be
@@ -2465,18 +2611,12 @@ elf_fake_sections (abfd, asect, failedptrarg)
       else
 	BFD_ASSERT (elf_tdata (abfd)->cverrefs == 0
 		    || this_hdr->sh_info == elf_tdata (abfd)->cverrefs);
-    }
-  else if ((asect->flags & SEC_GROUP) != 0)
-    {
-      this_hdr->sh_type = SHT_GROUP;
+      break;
+
+    case SHT_GROUP:
       this_hdr->sh_entsize = 4;
+      break;
     }
-  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;
-  else
-    this_hdr->sh_type = SHT_PROGBITS;
 
   if ((asect->flags & SEC_ALLOC) != 0)
     this_hdr->sh_flags |= SHF_ALLOC;
diff --git a/bfd/elf32-m32r.c b/bfd/elf32-m32r.c
index 34773ce..7e955e9 100644
--- a/bfd/elf32-m32r.c
+++ b/bfd/elf32-m32r.c
@@ -2091,6 +2091,16 @@ m32r_elf_check_relocs (abfd, info, sec, relocs)
 
   return TRUE;
 }
+
+static struct bfd_elf_special_section const m32r_elf_special_sections[]=
+{
+  { ".sdata",	0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE },
+  { ".sbss",	0,	NULL,	0,
+    SHT_NOBITS,	SHF_ALLOC + SHF_WRITE },
+  { NULL,	0,	NULL,	0,
+    0,		0 }
+};
 
 #define ELF_ARCH		bfd_arch_m32r
 #define ELF_MACHINE_CODE	EM_M32R
@@ -2126,5 +2136,6 @@ m32r_elf_check_relocs (abfd, info, sec, relocs)
 #define bfd_elf32_bfd_merge_private_bfd_data 	m32r_elf_merge_private_bfd_data
 #define bfd_elf32_bfd_set_private_flags		m32r_elf_set_private_flags
 #define bfd_elf32_bfd_print_private_bfd_data	m32r_elf_print_private_bfd_data
+#define elf_backend_special_sections		m32r_elf_special_sections
 
 #include "elf32-target.h"
diff --git a/bfd/elf32-m68hc11.c b/bfd/elf32-m68hc11.c
index 0383907..b9d9bfc 100644
--- a/bfd/elf32-m68hc11.c
+++ b/bfd/elf32-m68hc11.c
@@ -1281,6 +1281,25 @@ m68hc11_elf_relax_delete_bytes (abfd, sec, addr, count)
     }
 }
 
+/* Specific sections:
+   - The .page0 is a data section that is mapped in [0x0000..0x00FF].
+     Page0 accesses are faster on the M68HC11. Soft registers used by GCC-m6811
+     are located in .page0.
+   - The .vectors is the data section that represents the interrupt
+     vectors.  */
+static struct bfd_elf_special_section const elf32_m68hc11_special_sections[]=
+{
+  { ".eeprom",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE },
+  { ".softregs",	0,	NULL,	0,
+    SHT_NOBITS,	SHF_ALLOC + SHF_WRITE },
+  { ".page0",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE },
+  { ".vectors",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE },
+  { NULL,		0,	NULL,	0,
+    0,			0 }
+};
 
 #define ELF_ARCH		bfd_arch_m68hc11
 #define ELF_MACHINE_CODE	EM_68HC11
@@ -1300,6 +1319,7 @@ m68hc11_elf_relax_delete_bytes (abfd, sec, addr, count)
 #define elf_backend_object_p	0
 #define elf_backend_final_write_processing	0
 #define elf_backend_can_gc_sections		1
+#define elf_backend_special_sections elf32_m68hc11_special_sections
 
 #define bfd_elf32_bfd_link_hash_table_create \
                                 m68hc11_elf_bfd_link_hash_table_create
diff --git a/bfd/elf32-mcore.c b/bfd/elf32-mcore.c
index e88f01d..3f878cf 100644
--- a/bfd/elf32-mcore.c
+++ b/bfd/elf32-mcore.c
@@ -681,6 +681,16 @@ mcore_elf_check_relocs (abfd, info, sec, relocs)
   return TRUE;
 }
 
+static struct bfd_elf_special_section const mcore_elf_special_sections[]=
+{
+  { ".ctors",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE },
+  { ".dtors",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE },
+  { NULL,		0,	NULL,	0,
+    0,			0 }
+};
+
 #define TARGET_BIG_SYM		bfd_elf32_mcore_big_vec
 #define TARGET_BIG_NAME		"elf32-mcore-big"
 #define TARGET_LITTLE_SYM       bfd_elf32_mcore_little_vec
@@ -699,6 +709,7 @@ mcore_elf_check_relocs (abfd, info, sec, relocs)
 #define elf_backend_gc_mark_hook		mcore_elf_gc_mark_hook
 #define elf_backend_gc_sweep_hook		mcore_elf_gc_sweep_hook
 #define elf_backend_check_relocs                mcore_elf_check_relocs
+#define elf_backend_special_sections		mcore_elf_special_sections
 
 #define elf_backend_can_gc_sections		1
 #define elf_backend_rela_normal			1
diff --git a/bfd/elf32-ppc.c b/bfd/elf32-ppc.c
index ebf9dc0..31765b1 100644
--- a/bfd/elf32-ppc.c
+++ b/bfd/elf32-ppc.c
@@ -6016,6 +6016,35 @@ ppc_elf_final_write_processing (bfd *abfd, bfd_boolean linker ATTRIBUTE_UNUSED)
 
   apuinfo_list_finish ();
 }
+
+/* Add extra PPC sections -- Note, for now, make .sbss2 and
+   .PPC.EMB.sbss0 a normal section, and not a bss section so
+   that the linker doesn't crater when trying to make more than
+   2 sections.  */
+
+static struct bfd_elf_special_section const ppc_elf_special_sections[]=
+{
+  { ".tags",		0,	NULL,	0,
+    SHT_ORDERED,	SHF_ALLOC },
+  { ".sdata",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE },
+  { ".sbss",		0,	NULL,	0,
+    SHT_NOBITS,		SHF_ALLOC + SHF_WRITE },
+  { ".sdata2",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC },
+  { ".sbss2",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC },
+  { ".PPC.EMB.apuinfo",	0,	NULL,	0,
+    SHT_NOTE,		0 },
+  { ".PPC.EMB.sdata0",	0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC },
+  { ".PPC.EMB.sbss0",	0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC },
+  { ".plt",		0,	NULL,	0,
+    SHT_NOBITS,		0 },
+  { NULL,		0,	NULL,	0,
+    0,			0 }
+};
 
 #define TARGET_LITTLE_SYM	bfd_elf32_powerpcle_vec
 #define TARGET_LITTLE_NAME	"elf32-powerpcle"
@@ -6075,5 +6104,6 @@ ppc_elf_final_write_processing (bfd *abfd, bfd_boolean linker ATTRIBUTE_UNUSED)
 #define elf_backend_begin_write_processing	ppc_elf_begin_write_processing
 #define elf_backend_final_write_processing	ppc_elf_final_write_processing
 #define elf_backend_write_section		ppc_elf_write_section
+#define elf_backend_special_sections		ppc_elf_special_sections
 
 #include "elf32-target.h"
diff --git a/bfd/elf32-sh64.c b/bfd/elf32-sh64.c
index eabc8ee..2678548 100644
--- a/bfd/elf32-sh64.c
+++ b/bfd/elf32-sh64.c
@@ -87,6 +87,7 @@ static void sh64_find_section_for_address
 	sh64_elf_link_output_symbol_hook
 #define elf_backend_final_write_processing 	sh64_elf_final_write_processing
 #define elf_backend_section_from_shdr		sh64_backend_section_from_shdr
+#define elf_backend_special_sections		sh64_elf_special_sections
 
 #define bfd_elf32_new_section_hook		sh64_elf_new_section_hook
 
@@ -734,6 +735,14 @@ sh64_elf_final_write_processing (bfd *abfd,
     }
 }
 
+static struct bfd_elf_special_section const sh64_elf_special_sections[]=
+{
+  { ".cranges",		0,	NULL,	0,
+    SHT_PROGBITS,	0 },
+  { NULL,		0,	NULL,	0,
+    0,			0 }
+};
+
 #undef	TARGET_BIG_SYM
 #define	TARGET_BIG_SYM		bfd_elf32_sh64_vec
 #undef	TARGET_BIG_NAME
diff --git a/bfd/elf32-v850.c b/bfd/elf32-v850.c
index e41d0c0..8437c3d 100644
--- a/bfd/elf32-v850.c
+++ b/bfd/elf32-v850.c
@@ -3139,6 +3139,38 @@ v850_elf_relax_section (abfd, sec, link_info, again)
   result = FALSE;
   goto finish;
 }
+
+static struct bfd_elf_special_section const v850_elf_special_sections[]=
+{
+  { ".sdata",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE + SHF_V850_GPREL },
+  { ".rosdata",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_V850_GPREL },
+  { ".sbss",		0,	NULL,	0,
+    SHT_NOBITS,		SHF_ALLOC + SHF_WRITE + SHF_V850_GPREL },
+  { ".scommon",		0,	NULL,	0,
+    SHT_V850_SCOMMON, 	SHF_ALLOC + SHF_WRITE + SHF_V850_GPREL },
+  { ".tdata",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE + SHF_V850_EPREL },
+  { ".tbss",		0,	NULL,	0,
+    SHT_NOBITS,		SHF_ALLOC + SHF_WRITE + SHF_V850_EPREL },
+  { ".tcommon",		0,	NULL,	0,
+    SHT_V850_TCOMMON,	SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL },
+  { ".zdata",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL },
+  { ".rozdata",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_V850_R0REL },
+  { ".zbss",		0,	NULL,	0,
+    SHT_NOBITS,	  	SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL },
+  { ".zcommon",		0,	NULL,	0,
+    SHT_V850_ZCOMMON, 	SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL },
+  { ".call_table_data",	0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE },
+  { ".call_table_text",	0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE + SHF_EXECINSTR },
+  { NULL,		0,	NULL,	0,
+    0,			0 }
+};
 
 #define TARGET_LITTLE_SYM			bfd_elf32_v850_vec
 #define TARGET_LITTLE_NAME			"elf32-v850"
@@ -3162,6 +3194,7 @@ v850_elf_relax_section (abfd, sec, link_info, again)
 #define elf_backend_fake_sections		v850_elf_fake_sections
 #define elf_backend_gc_mark_hook                v850_elf_gc_mark_hook
 #define elf_backend_gc_sweep_hook               v850_elf_gc_sweep_hook
+#define elf_backend_special_sections		v850_elf_special_sections
 
 #define elf_backend_can_gc_sections 1
 #define elf_backend_rela_normal 1
diff --git a/bfd/elf32-xtensa.c b/bfd/elf32-xtensa.c
index 1f4b594..3322c9e 100644
--- a/bfd/elf32-xtensa.c
+++ b/bfd/elf32-xtensa.c
@@ -5865,6 +5865,21 @@ xtensa_callback_required_dependence (abfd, sec, link_info, callback, closure)
   return ok;
 }
 
+/* The default literal sections should always be marked as "code" (i.e.,
+   SHF_EXECINSTR).  This is particularly important for the Linux kernel
+   module loader so that the literals are not placed after the text.  */
+static struct bfd_elf_special_section const elf_xtensa_special_sections[]=
+{
+  { ".literal",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_EXECINSTR },
+  { ".init.literal",	0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_EXECINSTR },
+  { ".fini.literal",	0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_EXECINSTR },
+  { NULL,		0,	NULL,	0,
+    0,			0 }
+};
+
 
 #ifndef ELF_ARCH
 #define TARGET_LITTLE_SYM		bfd_elf32_xtensa_le_vec
@@ -5925,5 +5940,6 @@ xtensa_callback_required_dependence (abfd, sec, link_info, callback, closure)
 #define elf_backend_reloc_type_class	     elf_xtensa_reloc_type_class
 #define elf_backend_relocate_section	     elf_xtensa_relocate_section
 #define elf_backend_size_dynamic_sections    elf_xtensa_size_dynamic_sections
+#define elf_backend_special_sections	     elf_xtensa_special_sections
 
 #include "elf32-target.h"
diff --git a/bfd/elf64-alpha.c b/bfd/elf64-alpha.c
index 625b243..1d35a6d 100644
--- a/bfd/elf64-alpha.c
+++ b/bfd/elf64-alpha.c
@@ -5465,6 +5465,16 @@ elf64_alpha_reloc_type_class (rela)
     }
 }
 
+static struct bfd_elf_special_section const elf64_alpha_special_sections[]=
+{
+  { ".sdata",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE + SHF_ALPHA_GPREL },
+  { ".sbss",		0,	NULL,	0,
+    SHT_NOBITS,		SHF_ALLOC + SHF_WRITE + SHF_ALPHA_GPREL },
+  { NULL,		0,	NULL,	0,
+    0,			0 }
+};
+
 /* ECOFF swapping routines.  These are used when dealing with the
    .mdebug section, which is in the ECOFF debugging format.  Copied
    from elf32-mips.c.  */
@@ -5603,6 +5613,9 @@ static const struct elf_size_info alpha_elf_size_info =
 #define elf_backend_size_info \
   alpha_elf_size_info
 
+#define elf_backend_special_sections \
+  elf64_alpha_special_sections
+
 /* A few constants that determine how the .plt section is set up.  */
 #define elf_backend_want_got_plt 0
 #define elf_backend_plt_readonly 0
diff --git a/bfd/elf64-hppa.c b/bfd/elf64-hppa.c
index 2cee551..5d329e9 100644
--- a/bfd/elf64-hppa.c
+++ b/bfd/elf64-hppa.c
@@ -2667,6 +2667,16 @@ elf64_hppa_elf_get_symbol_type (elf_sym, type)
     return type;
 }
 
+static struct bfd_elf_special_section const elf64_hppa_special_sections[]=
+{
+  { ".fini",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE },
+  { ".init",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE },
+  { NULL,		0,	NULL,	0,
+    0,			0 }
+};
+
 /* The hash bucket size is the standard one, namely 4.  */
 
 const struct elf_size_info hppa64_elf_size_info =
@@ -2764,6 +2774,7 @@ const struct elf_size_info hppa64_elf_size_info =
 #define elf_backend_get_symbol_type	elf64_hppa_elf_get_symbol_type
 #define elf_backend_reloc_type_class	elf64_hppa_reloc_type_class
 #define elf_backend_rela_normal		1
+#define elf_backend_special_sections	elf64_hppa_special_sections
 
 #include "elf64-target.h"
 
@@ -2772,5 +2783,7 @@ const struct elf_size_info hppa64_elf_size_info =
 #undef TARGET_BIG_NAME
 #define TARGET_BIG_NAME			"elf64-hppa-linux"
 
+#undef elf_backend_special_sections
+
 #define INCLUDED_TARGET_FILE 1
 #include "elf64-target.h"
diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c
index a052cd0..1e6d22d 100644
--- a/bfd/elf64-ppc.c
+++ b/bfd/elf64-ppc.c
@@ -28,6 +28,7 @@
 #include "bfdlink.h"
 #include "libbfd.h"
 #include "elf-bfd.h"
+#include "elf/ppc.h"
 #include "elf/ppc64.h"
 #include "elf64-ppc.h"
 
@@ -90,6 +91,7 @@ static bfd_reloc_status_type ppc64_elf_unhandled_reloc
 #define elf_backend_finish_dynamic_symbol     ppc64_elf_finish_dynamic_symbol
 #define elf_backend_reloc_type_class	      ppc64_elf_reloc_type_class
 #define elf_backend_finish_dynamic_sections   ppc64_elf_finish_dynamic_sections
+#define elf_backend_special_sections	      ppc64_elf_special_sections
 
 /* The name of the dynamic interpreter.  This is put in the .interp
    section.  */
@@ -8760,4 +8762,37 @@ ppc64_elf_finish_dynamic_sections (bfd *output_bfd,
   return TRUE;
 }
 
+/* Add extra PPC sections -- Note, for now, make .sbss2 and
+   .PPC.EMB.sbss0 a normal section, and not a bss section so
+   that the linker doesn't crater when trying to make more than
+   2 sections.  */
+
+static struct bfd_elf_special_section const ppc64_elf_special_sections[]=
+{
+  { ".tags",		0,	NULL,	0,
+    SHT_ORDERED,	SHF_ALLOC },
+  { ".sdata",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE },
+  { ".sbss",		0,	NULL,	0,
+    SHT_NOBITS,		SHF_ALLOC + SHF_WRITE },
+  { ".sdata2",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC },
+  { ".sbss2",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC },
+  { ".PPC.EMB.apuinfo",	0,	NULL,	0,
+    SHT_NOTE,		0 },
+  { ".PPC.EMB.sdata0",	0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC },
+  { ".PPC.EMB.sbss0",	0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC },
+  { ".plt",		0,	NULL,	0,
+    SHT_NOBITS,		0 },
+  { ".toc",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE },
+  { ".tocbss",		0,	NULL,	0,
+    SHT_NOBITS,		SHF_ALLOC + SHF_WRITE },
+  { NULL,		0,	NULL,	0,
+    0,			0 }
+};
+
 #include "elf64-target.h"
diff --git a/bfd/elf64-sh64.c b/bfd/elf64-sh64.c
index 234b237..905cadd 100644
--- a/bfd/elf64-sh64.c
+++ b/bfd/elf64-sh64.c
@@ -4112,6 +4112,14 @@ sh64_elf64_finish_dynamic_sections (bfd *output_bfd,
   return TRUE;
 }
 
+static struct bfd_elf_special_section const sh64_elf64_special_sections[]=
+{
+  { ".cranges",		0,	NULL,	0,
+    SHT_PROGBITS,	0 },
+  { NULL,		0,	NULL,	0,
+    0,			0 }
+};
+
 #define TARGET_BIG_SYM		bfd_elf64_sh64_vec
 #define TARGET_BIG_NAME		"elf64-sh64"
 #define TARGET_LITTLE_SYM	bfd_elf64_sh64l_vec
@@ -4167,6 +4175,7 @@ sh64_elf64_finish_dynamic_sections (bfd *output_bfd,
 					sh64_elf64_finish_dynamic_symbol
 #define elf_backend_finish_dynamic_sections \
 					sh64_elf64_finish_dynamic_sections
+#define elf_backend_special_sections	sh64_elf64_special_sections
 
 #define elf_backend_want_got_plt	1
 #define elf_backend_plt_readonly	1
diff --git a/bfd/elfxx-ia64.c b/bfd/elfxx-ia64.c
index 8d786d2..73ab4e8 100644
--- a/bfd/elfxx-ia64.c
+++ b/bfd/elfxx-ia64.c
@@ -4773,6 +4773,16 @@ elfNN_ia64_reloc_type_class (rela)
     }
 }
 
+static struct bfd_elf_special_section const elfNN_ia64_special_sections[]=
+{
+  { ".sbss",		0,	NULL,	0,
+    SHT_NOBITS,		SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT },
+  { ".sdata",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT },
+  { NULL,		0,	NULL,	0,
+    0,			0 }
+};
+
 static bfd_boolean
 elfNN_ia64_hpux_vec (const bfd_target *vec)
 {
@@ -4880,6 +4890,7 @@ elfNN_hpux_backend_section_from_bfd_section (abfd, sec, retval)
 #define elf_backend_hide_symbol		elfNN_ia64_hash_hide_symbol
 #define elf_backend_reloc_type_class	elfNN_ia64_reloc_type_class
 #define elf_backend_rela_normal		1
+#define elf_backend_special_sections	elfNN_ia64_special_sections
 
 #include "elfNN-target.h"
 
diff --git a/bfd/elfxx-mips.c b/bfd/elfxx-mips.c
index b817223..4c54965 100644
--- a/bfd/elfxx-mips.c
+++ b/bfd/elfxx-mips.c
@@ -9290,3 +9290,21 @@ _bfd_mips_elf_print_private_bfd_data (abfd, ptr)
 
   return TRUE;
 }
+
+struct bfd_elf_special_section const _bfd_mips_elf_special_sections[]=
+{
+  { ".sdata",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL },
+  { ".sbss",		0,	NULL,	0,
+    SHT_NOBITS,		SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL },
+  { ".lit4",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL },
+  { ".lit8",		0,	NULL,	0,
+    SHT_PROGBITS,	SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL },
+  { ".ucode",		0,	NULL,	0,
+    SHT_MIPS_UCODE,	0 },
+  { ".mdebug",		0,	NULL,	0,
+    SHT_MIPS_DEBUG,	0 },
+  { NULL,		0,	NULL,	0,
+    0,			0 }
+};
diff --git a/bfd/elfxx-mips.h b/bfd/elfxx-mips.h
index 088dd6a..f6459a5 100644
--- a/bfd/elfxx-mips.h
+++ b/bfd/elfxx-mips.h
@@ -112,3 +112,6 @@ extern bfd_boolean _bfd_mips_relax_section
   PARAMS ((bfd *, asection *, struct bfd_link_info *, bfd_boolean *));
 extern bfd_vma _bfd_mips_elf_sign_extend
   PARAMS ((bfd_vma, int));
+
+extern struct bfd_elf_special_section const _bfd_mips_elf_special_sections[];
+#define elf_backend_special_sections _bfd_mips_elf_special_sections
diff --git a/bfd/elfxx-target.h b/bfd/elfxx-target.h
index 58a96b1..c2bca91 100644
--- a/bfd/elfxx-target.h
+++ b/bfd/elfxx-target.h
@@ -434,6 +434,10 @@
 #define elf_backend_size_info _bfd_elfNN_size_info
 #endif
 
+#ifndef elf_backend_special_sections
+#define elf_backend_special_sections NULL
+#endif
+
 #ifndef elf_backend_sign_extend_vma
 #define elf_backend_sign_extend_vma 0
 #endif
@@ -497,6 +501,7 @@ static const struct elf_backend_data elfNN_bed =
   ELF_MACHINE_ALT1,
   ELF_MACHINE_ALT2,
   &elf_backend_size_info,
+  elf_backend_special_sections,
   elf_backend_got_symbol_offset,
   elf_backend_got_header_size,
   elf_backend_plt_header_size,
diff --git a/bfd/section.c b/bfd/section.c
index aaeb0ef..5347c2b 100644
--- a/bfd/section.c
+++ b/bfd/section.c
@@ -532,18 +532,18 @@ CODE_FRAGMENT
 .#define BFD_IND_SECTION_NAME "*IND*"
 .
 .{* The absolute section.  *}
-.extern const asection bfd_abs_section;
+.extern asection bfd_abs_section;
 .#define bfd_abs_section_ptr ((asection *) &bfd_abs_section)
 .#define bfd_is_abs_section(sec) ((sec) == bfd_abs_section_ptr)
 .{* Pointer to the undefined section.  *}
-.extern const asection bfd_und_section;
+.extern asection bfd_und_section;
 .#define bfd_und_section_ptr ((asection *) &bfd_und_section)
 .#define bfd_is_und_section(sec) ((sec) == bfd_und_section_ptr)
 .{* Pointer to the common section.  *}
-.extern const asection bfd_com_section;
+.extern asection bfd_com_section;
 .#define bfd_com_section_ptr ((asection *) &bfd_com_section)
 .{* Pointer to the indirect section.  *}
-.extern const asection bfd_ind_section;
+.extern asection bfd_ind_section;
 .#define bfd_ind_section_ptr ((asection *) &bfd_ind_section)
 .#define bfd_is_ind_section(sec) ((sec) == bfd_ind_section_ptr)
 .
@@ -616,7 +616,7 @@ static const asymbol global_syms[] =
 
 #define STD_SECTION(SEC, FLAGS, SYM, NAME, IDX)				\
   const asymbol * const SYM = (asymbol *) &global_syms[IDX]; 		\
-  const asection SEC = 							\
+  asection SEC = 							\
     /* name, id,  index, next, flags, user_set_vma, reloc_done,      */	\
     { NAME,  IDX, 0,     NULL, FLAGS, 0,            0,			\
 									\