bfd/
authorH.J. Lu <hjl.tools@gmail.com>
Fri, 25 Jul 2003 14:35:56 +0000 (14:35 +0000)
committerH.J. Lu <hjl.tools@gmail.com>
Fri, 25 Jul 2003 14:35:56 +0000 (14:35 +0000)
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.

35 files changed:
bfd/ChangeLog
bfd/elf-bfd.h
bfd/elf.c
bfd/elf32-m32r.c
bfd/elf32-m68hc11.c
bfd/elf32-mcore.c
bfd/elf32-ppc.c
bfd/elf32-sh64.c
bfd/elf32-v850.c
bfd/elf32-xtensa.c
bfd/elf64-alpha.c
bfd/elf64-hppa.c
bfd/elf64-ppc.c
bfd/elf64-sh64.c
bfd/elfxx-ia64.c
bfd/elfxx-mips.c
bfd/elfxx-mips.h
bfd/elfxx-target.h
bfd/section.c
gas/ChangeLog
gas/config/obj-elf.c
gas/config/obj-elf.h
gas/config/tc-alpha.h
gas/config/tc-ia64.h
gas/config/tc-m32r.h
gas/config/tc-m68hc11.h
gas/config/tc-mcore.h
gas/config/tc-mips.h
gas/config/tc-ppc.h
gas/config/tc-sh64.h
gas/config/tc-v850.h
gas/config/tc-xtensa.h
gas/subsegs.c
include/elf/ChangeLog
include/elf/v850.h

index f95dea19903521cda499ff57dee6727774690178..643f13e01006bcb99b8668451e9af6ced2517aaf 100644 (file)
@@ -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
index 2aa0c597e6c51cd4e7c5b33de399837ebe0a42c9..d297a77318f45778563d91653fd4e0e6bc16ce80 100644 (file)
@@ -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
index e3428217e2968a62bdafcbcffd61a24ab9650e90..95aa1929d5dfc3bd8d4f487b8a546f926d3b0bd8 100644 (file)
--- 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;
index 34773ce1a642c6b204f4ef758da76b2abc383114..7e955e9b1168df931319f98334da32be9f948236 100644 (file)
@@ -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 }
+};
 \f
 #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"
index 038390745491e1209b5d66ebeab7ad4d75671f6b..b9d9bfc312f31b5bffa651214356be9848b830dd 100644 (file)
@@ -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 }
+};
 \f
 #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
index e88f01d64be4b44a8f0f0efeb6735457a54c09f8..3f878cfaca93f54d6c03751cf76cf823ce025329 100644 (file)
@@ -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
index ebf9dc05894c512fd1648a02367f27161833c47e..31765b18e3524b179a5b6f523aa12b502e2f623a 100644 (file)
@@ -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 }
+};
 \f
 #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"
index eabc8ee6c857948b903e69d5b40a8108ffc5edd2..267854867a9f93bd8544a20af00bca294b1c6885 100644 (file)
@@ -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
index e41d0c0d7c4288f31eb7c1e42ba1c5cf52339855..8437c3ddec92f1fca8743e5761ccf65a6525e3f5 100644 (file)
@@ -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 }
+};
 \f
 #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
index 1f4b59476d20fe53a4997085193ac2b7ca7328cd..3322c9efd685178eb83d44e2f02adc71d49b2316 100644 (file)
@@ -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 }
+};
+
 \f
 #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"
index 625b24398a68391c23aa0fc87370b71fec1722b9..1d35a6d5d014dcbf60637b21c49e2c2fc6df23f3 100644 (file)
@@ -5465,6 +5465,16 @@ elf64_alpha_reloc_type_class (rela)
     }
 }
 \f
+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
index 2cee551d6b66b56583074642edb14fcc05fbc378..5d329e98de165e9941478208adb81570c8807499 100644 (file)
@@ -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"
index a052cd0d95a7b6e47839bc01ae74196cb6aaf3c1..1e6d22df14778f8429636b977cbf4d0adedc7118 100644 (file)
@@ -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"
index 234b237bd00dd9a771d4c167e6df9f48d8316663..905caddb290cc50e8594fc78b22d12319d0679c1 100644 (file)
@@ -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
index 8d786d2c06404b467b4f1978b9ab908b38b36f71..73ab4e88113a8eb02808b4cc48271793025f038e 100644 (file)
@@ -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"
 
index b8172238af3150927fd4a2b288f7f67ad2f7a349..4c5496516a8e06d2e68a4cead8ce3a99ce9839a5 100644 (file)
@@ -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 }
+};
index 088dd6a57eb3e791bed5c4fc6b5f0a12b6bfef6c..f6459a5de2ad628f308ab557723f845c0c421f51 100644 (file)
@@ -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
index 58a96b14a0161249f158f8e3e3c1ab841d17fbe2..c2bca912caa073a7b60cd628075117eab5365e37 100644 (file)
 #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,
index aaeb0ef506055a708adcb2e163d25c2095b745dc..5347c2b3f8549c39eb14f9f6232547c2ae7c647f 100644 (file)
@@ -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,                 \
                                                                        \
index 7560fc01111e2fbde19ea405c9d9d520c20064f0..43cfcc76d2139a6eb39b78f48190674abb4e5ebe 100644 (file)
@@ -1,3 +1,30 @@
+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.
+
 2003-07-24  Stephane Carrez  <stcarrez@nerim.fr>
 
        * config/tc-m68hc11.h (DWARF2_ADDR_SIZE): Use 32-bit address for
index 18cf50d4f8430b583ca3d0430505b710759f237f..7d891759e41ff324998ddc9a2ef02f9aa775f4ce 100644 (file)
@@ -601,63 +601,6 @@ static struct section_stack *section_stack;
    other possibilities, but I don't know what they are.  In any case,
    BFD doesn't really let us set the section type.  */
 
-/* Certain named sections have particular defined types, listed on p.
-   4-19 of the ABI.  */
-struct special_section
-{
-  const char *name;
-  int type;
-  int attributes;
-};
-
-static struct special_section const special_sections[] =
-{
-  { ".bss",    SHT_NOBITS,     SHF_ALLOC + SHF_WRITE           },
-  { ".comment",        SHT_PROGBITS,   0                               },
-  { ".data",   SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE           },
-  { ".data1",  SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE           },
-  { ".debug",  SHT_PROGBITS,   0                               },
-#if defined (TC_HPPA) && !defined (TE_LINUX) && TARGET_ARCH_SIZE == 64
-  { ".fini",   SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE           },
-  { ".init",   SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE           },
-#else
-  { ".fini",   SHT_PROGBITS,   SHF_ALLOC + SHF_EXECINSTR       },
-  { ".init",   SHT_PROGBITS,   SHF_ALLOC + SHF_EXECINSTR       },
-#endif
-  { ".line",   SHT_PROGBITS,   0                               },
-  { ".note",   SHT_NOTE,       0                               },
-  { ".rodata", SHT_PROGBITS,   SHF_ALLOC                       },
-  { ".rodata1",        SHT_PROGBITS,   SHF_ALLOC                       },
-  { ".tbss",   SHT_NOBITS,     SHF_ALLOC + SHF_WRITE + SHF_TLS },
-  { ".tdata",  SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE + SHF_TLS },
-  { ".text",   SHT_PROGBITS,   SHF_ALLOC + SHF_EXECINSTR       },
-  { ".init_array",SHT_INIT_ARRAY, SHF_ALLOC + SHF_WRITE         },
-  { ".fini_array",SHT_FINI_ARRAY, SHF_ALLOC + SHF_WRITE         },
-  { ".preinit_array",SHT_PREINIT_ARRAY, SHF_ALLOC + SHF_WRITE   },
-
-#ifdef ELF_TC_SPECIAL_SECTIONS
-  ELF_TC_SPECIAL_SECTIONS
-#endif
-
-#if 0
-  /* The following section names are special, but they can not
-     reasonably appear in assembler code.  Some of the attributes are
-     processor dependent.  */
-  { ".dynamic",        SHT_DYNAMIC,    SHF_ALLOC /* + SHF_WRITE */     },
-  { ".dynstr", SHT_STRTAB,     SHF_ALLOC                       },
-  { ".dynsym", SHT_DYNSYM,     SHF_ALLOC                       },
-  { ".got",    SHT_PROGBITS,   0                               },
-  { ".hash",   SHT_HASH,       SHF_ALLOC                       },
-  { ".interp", SHT_PROGBITS,   /* SHF_ALLOC */                 },
-  { ".plt",    SHT_PROGBITS,   0                               },
-  { ".shstrtab",SHT_STRTAB,    0                               },
-  { ".strtab", SHT_STRTAB,     /* SHF_ALLOC */                 },
-  { ".symtab", SHT_SYMTAB,     /* SHF_ALLOC */                 },
-#endif
-
-  { NULL,      0,              0                               }
-};
-
 void
 obj_elf_change_section (name, type, attr, entsize, group_name, linkonce, push)
      const char *name;
@@ -671,7 +614,8 @@ obj_elf_change_section (name, type, attr, entsize, group_name, linkonce, push)
   asection *old_sec;
   segT sec;
   flagword flags;
-  int i;
+  int def_type;
+  int def_attr;
 
 #ifdef md_flush_pending_output
   md_flush_pending_output ();
@@ -695,48 +639,52 @@ obj_elf_change_section (name, type, attr, entsize, group_name, linkonce, push)
   old_sec = bfd_get_section_by_name (stdoutput, name);
   sec = subseg_new (name, 0);
 
-  /* See if this is one of the special sections.  */
-  for (i = 0; special_sections[i].name != NULL; i++)
-    if (strcmp (name, special_sections[i].name) == 0)
-      {
-       if (type == SHT_NULL)
-         type = special_sections[i].type;
-       else if (type != special_sections[i].type)
-         {
-           if (old_sec == NULL
-               /* FIXME: gcc, as of 2002-10-22, will emit
+  if (_bfd_elf_get_sec_type_attr (stdoutput, name, &def_type,
+                                 &def_attr))
+    {
+      if (type == SHT_NULL)
+       type = def_type;
+      else if (type != def_type)
+       {
+         if (old_sec == NULL
+             /* FIXME: gcc, as of 2002-10-22, will emit
 
-                  .section .init_array,"aw",@progbits
+                .section .init_array,"aw",@progbits
 
-                  for __attribute__ ((section (".init_array"))).
-                  "@progbits" is incorrect.  */
-               && special_sections[i].type != SHT_INIT_ARRAY
-               && special_sections[i].type != SHT_FINI_ARRAY
-               && special_sections[i].type != SHT_PREINIT_ARRAY)
-             {
-               as_warn (_("setting incorrect section type for %s"), name);
-             }
-           else
-             {
-               as_warn (_("ignoring incorrect section type for %s"), name);
-               type = special_sections[i].type;
-             }
-         }
-       if ((attr &~ special_sections[i].attributes) != 0
-           && old_sec == NULL)
-         {
-           /* As a GNU extension, we permit a .note section to be
-              allocatable.  If the linker sees an allocateable .note
-              section, it will create a PT_NOTE segment in the output
-              file.  */
-           if (strcmp (name, ".note") != 0
-               || attr != SHF_ALLOC)
-             as_warn (_("setting incorrect section attributes for %s"),
+                for __attribute__ ((section (".init_array"))).
+                "@progbits" is incorrect.  */
+             && def_type != SHT_INIT_ARRAY
+             && def_type != SHT_FINI_ARRAY
+             && def_type != SHT_PREINIT_ARRAY)
+           {
+             /* We allow to specify any type for a .note section.  */
+             if (def_type != SHT_NOTE)
+               as_warn (_("setting incorrect section type for %s"),
+                        name);
+           }
+         else
+           {
+             as_warn (_("ignoring incorrect section type for %s"),
                       name);
-         }
-       attr |= special_sections[i].attributes;
-       break;
-      }
+             type = def_type;
+           }
+       }
+
+      if (old_sec == NULL && (attr &~ def_attr) != 0)
+       {
+         /* As a GNU extension, we permit a .note section to be
+            allocatable.  If the linker sees an allocateable .note
+            section, it will create a PT_NOTE segment in the output
+            file.  */
+         if (strcmp (name, ".note") != 0 || attr != SHF_ALLOC)
+           as_warn (_("setting incorrect section attributes for %s"),
+                    name);
+       }
+      attr |= def_attr;
+
+      elf_section_type (sec) = type;
+      elf_section_flags (sec) = attr;
+    }
 
   /* Convert ELF type and flags to BFD flags.  */
   flags = (SEC_RELOC
@@ -2076,6 +2024,7 @@ elf_frob_file ()
          as_fatal (_("can't create group: %s"),
                    bfd_errmsg (bfd_get_error ()));
        }
+      elf_section_type (s) = SHT_GROUP;
 
       /* Pass a pointer to the first section in this group.  */
       elf_next_in_group (s) = list.head[i];
index 0fa2ba60932407b0d1c560f6c75b180651810997..641a37320dcd932f7b9348525ba3daf164c9657d 100644 (file)
@@ -134,6 +134,13 @@ int elf_s_get_other PARAMS ((symbolS *));
 
 extern asection *gdb_section;
 
+#ifndef obj_sec_set_private_data
+#define obj_sec_set_private_data(B, S) \
+  if (! BFD_SEND ((B), _new_section_hook, ((B), (S)))) \
+    as_fatal (_("can't allocate ELF private section data: %s"),        \
+             bfd_errmsg (bfd_get_error ()))
+#endif
+
 #ifndef obj_frob_file
 #define obj_frob_file  elf_frob_file
 #endif
index d9275e2aefa39da40d3a90868b94672b1ca764d2..37e58386e65d9cfa83a0b4a359b673f2d65f7975 100644 (file)
@@ -104,10 +104,6 @@ extern void alpha_frob_file_before_adjust PARAMS ((void));
 #define DIFF_EXPR_OK   /* foo-. gets turned into PC relative relocs */
 
 #ifdef OBJ_ELF
-#define ELF_TC_SPECIAL_SECTIONS \
-  { ".sdata",   SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE + SHF_ALPHA_GPREL  }, \
-  { ".sbss",    SHT_NOBITS,     SHF_ALLOC + SHF_WRITE + SHF_ALPHA_GPREL  },
-
 #define md_elf_section_letter          alpha_elf_section_letter
 extern int alpha_elf_section_letter PARAMS ((int, char **));
 #define md_elf_section_flags           alpha_elf_section_flags
index 884bfb7d632d64b5b72438e5808f873282587990..8d2f4379db72dc047615e47ec2617e3345bbfb6e 100644 (file)
@@ -151,10 +151,6 @@ extern void ia64_check_label PARAMS ((symbolS *));
 
 #define WORKING_DOT_WORD       /* don't do broken word processing for now */
 
-#define ELF_TC_SPECIAL_SECTIONS                                                   \
-{ ".sbss",     SHT_NOBITS,     SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT }, \
-{ ".sdata",    SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT },
-
 #define DWARF2_LINE_MIN_INSN_LENGTH 1  /* so slot-multipliers can be 1 */
 
 /* This is the information required for unwind records in an ia64
index 12512f7b5f0e5eb1ded5b293ec78dd1d047a1d15..f54c98020f4b9c67736c090a6fd00f1d87c009ab 100644 (file)
@@ -98,11 +98,6 @@ int m32r_fill_insn PARAMS ((int));
 #define md_after_pass_hook()   m32r_fill_insn (1)
 #define TC_START_LABEL(ch, ptr)        (ch == ':' && m32r_fill_insn (0))
 
-/* Add extra M32R sections.  */
-#define ELF_TC_SPECIAL_SECTIONS \
-  { ".sdata",          SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE }, \
-  { ".sbss",           SHT_NOBITS,     SHF_ALLOC + SHF_WRITE },
-
 #define md_cleanup                 m32r_elf_section_change_hook
 #define md_elf_section_change_hook m32r_elf_section_change_hook
 extern void m32r_elf_section_change_hook PARAMS ((void));
index 7254db4f5906a3f90bd6ec2e2a88f278c299d46b..c894edd53aaa7fb5867d904ad4c8e955b77e547f 100644 (file)
@@ -53,18 +53,6 @@ extern int m68hc11_mach PARAMS ((void));
 #define TARGET_FORMAT (m68hc11_arch_format ())
 extern const char *m68hc11_arch_format PARAMS ((void));
 
-/* 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.  */
-#define ELF_TC_SPECIAL_SECTIONS \
-  { ".eeprom", SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE   }, \
-  { ".softregs",SHT_NOBITS,    SHF_ALLOC + SHF_WRITE   }, \
-  { ".page0",  SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE   }, \
-  { ".vectors",        SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE   },
-
 #define LISTING_WORD_SIZE 1    /* A word is 1 bytes */
 #define LISTING_LHS_WIDTH 4    /* One word on the first line */
 #define LISTING_LHS_WIDTH_SECOND 4     /* One word on the second line */
index 4ab84e45b75d48147aedfd963f3cf9cedd900644..c727a57a8b83c515b693d107b93e6d47140a0e57 100644 (file)
@@ -83,12 +83,6 @@ struct mcore_tc_sy
 
 #define TARGET_FORMAT (target_big_endian ? "elf32-mcore-big" : "elf32-mcore-little")
 
-#define ELF_TC_SPECIAL_SECTIONS \
-  { ".ctors",  SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE }, \
-  { ".dtors",  SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE }, \
-/* Other special sections not generated by the assembler: .reginfo,
-   .liblist, .conflict, .gptab, .got, .dynamic, .rel.dyn.  */
-
 /* No shared lib support, so we don't need to ensure externally
    visible symbols can be overridden.  */
 #define EXTERN_FORCE_RELOC 0
index 7afee94b8385f2f31de2daaf7112ee97637fcea2..fc96ef3a937faa7ace835a528775ad2b6d15a750 100644 (file)
@@ -162,16 +162,6 @@ extern unsigned long mips_cprmask[4];
 #define elf_tc_final_processing mips_elf_final_processing
 extern void mips_elf_final_processing (void);
 
-#define ELF_TC_SPECIAL_SECTIONS \
-  { ".sdata",  SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL  }, \
-  { ".sbss",   SHT_NOBITS,     SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL  }, \
-  { ".lit4",   SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL  }, \
-  { ".lit8",   SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL  }, \
-  { ".ucode",  SHT_MIPS_UCODE, 0                                       }, \
-  { ".mdebug", SHT_MIPS_DEBUG, 0                                       },
-/* Other special sections not generated by the assembler: .reginfo,
-   .liblist, .conflict, .gptab, .got, .dynamic, .rel.dyn.  */
-
 #endif
 
 extern void md_mips_end (void);
index 3612f43d66abe8bb464ad405028c97e2063f1334..a1c74b272b0cd4f4f131eb1213c6e740af82b015 100644 (file)
@@ -222,22 +222,6 @@ extern int ppc_section_flags PARAMS ((int, int, int));
 #define md_elf_section_word(STR, LEN)          ppc_section_word (STR, LEN)
 #define md_elf_section_flags(FLAGS, ATTR, TYPE)        ppc_section_flags (FLAGS, ATTR, TYPE)
 
-/* 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.  */
-#define ELF_TC_SPECIAL_SECTIONS \
-  { ".tags",           SHT_ORDERED,    SHF_ALLOC },                    \
-  { ".sdata",          SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE },        \
-  { ".sbss",           SHT_NOBITS,     SHF_ALLOC + SHF_WRITE },        \
-  { ".sdata2",         SHT_PROGBITS,   SHF_ALLOC },                    \
-  { ".sbss2",          SHT_PROGBITS,   SHF_ALLOC },                    \
-  { ".PPC.EMB.apuinfo",       SHT_NOTE,       0 }, \
-  { ".PPC.EMB.sdata0", SHT_PROGBITS,   SHF_ALLOC },                    \
-  { ".PPC.EMB.sbss0",  SHT_PROGBITS,   SHF_ALLOC },                    \
-  /* Extra sections for 64-bit ELF PPC.  */                            \
-  { ".toc",            SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE},         \
-  { ".tocbss",         SHT_NOBITS,     SHF_ALLOC + SHF_WRITE},
-
 #define tc_comment_chars ppc_comment_chars
 extern const char *ppc_comment_chars;
 
index 888ad9975c7fdb5fe259e9d86ce5c1a767119e02..8280c947dd1662f141d61e460d883d4c234a8959 100644 (file)
@@ -174,9 +174,6 @@ extern void sh64_flush_pending_output PARAMS ((void));
 #define tc_frob_section(sec) shmedia_frob_section_type (sec)
 extern void shmedia_frob_section_type PARAMS ((asection *));
 
-#define ELF_TC_SPECIAL_SECTIONS \
-  { ".cranges",        SHT_PROGBITS,   0 },
-
 /* We need to emit fixups relative to the frag in which the instruction
    resides.  Safest way without calculating max fragment growth or making
    it a fixed number is to provide a pointer to the opcode frag.
index 713076036a794d383cfdd23d8c70c08be1c217cf..26b1bf1e660886677dee685075636f683ab9358d 100644 (file)
@@ -74,28 +74,6 @@ extern const struct relax_type md_relax_table[];
 #define HANDLE_ALIGN(frag) v850_handle_align (frag)
 extern void v850_handle_align PARAMS ((fragS *));
 
-/* This section must be in the small data area (pointed to by GP).  */
-#define SHF_V850_GPREL         0x10000000
-/* This section must be in the tiny data area (pointed to by EP).  */
-#define SHF_V850_EPREL         0x20000000
-/* This section must be in the zero data area (pointed to by R0).  */
-#define SHF_V850_R0REL         0x40000000
-
-#define ELF_TC_SPECIAL_SECTIONS \
-  { ".sdata",  SHT_PROGBITS,           SHF_ALLOC + SHF_WRITE + SHF_V850_GPREL  }, \
-  { ".rosdata",        SHT_PROGBITS,           SHF_ALLOC +             SHF_V850_GPREL  }, \
-  { ".sbss",   SHT_NOBITS,             SHF_ALLOC + SHF_WRITE + SHF_V850_GPREL  }, \
-  { ".scommon",        SHT_V850_SCOMMON,       SHF_ALLOC + SHF_WRITE + SHF_V850_GPREL  }, \
-  { ".tdata",  SHT_PROGBITS,           SHF_ALLOC + SHF_WRITE + SHF_V850_EPREL  }, \
-  { ".tbss",   SHT_NOBITS,             SHF_ALLOC + SHF_WRITE + SHF_V850_EPREL  }, \
-  { ".tcommon",        SHT_V850_TCOMMON,       SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL  }, \
-  { ".zdata",  SHT_PROGBITS,           SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL  }, \
-  { ".rozdata",        SHT_PROGBITS,           SHF_ALLOC +             SHF_V850_R0REL  }, \
-  { ".zbss",   SHT_NOBITS,             SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL  }, \
-  { ".zcommon",        SHT_V850_ZCOMMON,       SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL  }, \
-  { ".call_table_data",        SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE },           \
-  { ".call_table_text",        SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE + SHF_EXECINSTR },
-
 #define MD_PCREL_FROM_SECTION(FIX, SEC) v850_pcrel_from_section (FIX, SEC)
 extern long v850_pcrel_from_section PARAMS ((struct fix *, asection *));
 
index c6bc09dc234c7ebb021bff99f32c3660db30ca51..2f317b006481922e2468661d1f5ce0456d127c41 100644 (file)
@@ -189,12 +189,4 @@ extern long xtensa_relax_frag
 
 #define MD_APPLY_SYM_VALUE(FIX) 0
 
-/* 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.  */
-#define ELF_TC_SPECIAL_SECTIONS \
-  { ".literal",                SHT_PROGBITS,   SHF_ALLOC + SHF_EXECINSTR }, \
-  { ".init.literal",   SHT_PROGBITS,   SHF_ALLOC + SHF_EXECINSTR }, \
-  { ".fini.literal",   SHT_PROGBITS,   SHF_ALLOC + SHF_EXECINSTR },
-
 #endif /* TC_XTENSA */
index dfdb0009cb2bdf956a35029a60b705bdb3153d43..0fe11e757ffcd0912ccef22ae51a49e1bba9f317 100644 (file)
@@ -422,6 +422,10 @@ subseg_get (segname, force_new)
   else
     secptr = bfd_make_section_anyway (stdoutput, segname);
 
+#ifdef obj_sec_set_private_data
+  obj_sec_set_private_data (stdoutput, secptr);
+#endif
+
   seginfo = seg_info (secptr);
   if (! seginfo)
     {
index 7bcecd2f8c9e67f7e36d20b0527b85bcd4f15935..1d8ab8626987e3c4cf8f173e44169126bd9ac4dc 100644 (file)
@@ -1,3 +1,9 @@
+2003-07-25  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * v850.h (SHF_V850_GPREL): New.
+       (SHF_V850_EPREL): Likewise.
+       (SHF_V850_R0REL): Likewise.
+
 2003-07-09  Alexandre Oliva  <aoliva@redhat.com>
 
        2001-05-16  Alexandre Oliva  <aoliva@redhat.com>
index c949ab01f8c4b48a645d2f1d981b1c9a4e74786f..db5b2d9fd1a2709655519e75d133ac30b9142692 100644 (file)
@@ -104,4 +104,15 @@ END_RELOC_NUMBERS (R_V850_max)
 /* Section contains the .scommon data.  */
 #define SHT_V850_ZCOMMON       0x70000002
 
+/* Processor specific section flags.  */
+
+/* This section must be in the small data area (pointed to by GP).  */
+#define SHF_V850_GPREL         0x10000000
+
+/* This section must be in the tiny data area (pointed to by EP).  */
+#define SHF_V850_EPREL         0x20000000
+
+/* This section must be in the zero data area (pointed to by R0).  */
+#define SHF_V850_R0REL         0x40000000
+
 #endif /* _ELF_V850_H */
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