Revert "Also check e_machine when merging sections"
[deliverable/binutils-gdb.git] / bfd / elf32-sh64.c
index c140bf4d95c7af09f7b2c51caca17fcad268f8bd..df6c6533e481088d68c44f8cea3cded971b8de0a 100644 (file)
@@ -1,12 +1,11 @@
 /* SuperH SH64-specific support for 32-bit ELF
-   Copyright 2000, 2001, 2002, 2003, 2004, 2005
-   Free Software Foundation, Inc.
+   Copyright (C) 2000-2015 Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
 
 #define SH64_ELF
 
-#include "bfd.h"
 #include "sysdep.h"
+#include "bfd.h"
 #include "elf-bfd.h"
 #include "../opcodes/sh64-opc.h"
 #include "elf32-sh64.h"
@@ -59,7 +59,7 @@ static int sh64_elf_get_symbol_type
 static bfd_boolean sh64_elf_add_symbol_hook
   (bfd *, struct bfd_link_info *, Elf_Internal_Sym *, const char **,
    flagword *, asection **, bfd_vma *);
-static bfd_boolean sh64_elf_link_output_symbol_hook
+static int sh64_elf_link_output_symbol_hook
   (struct bfd_link_info *, const char *, Elf_Internal_Sym *, asection *,
    struct elf_link_hash_entry *);
 static bfd_boolean sh64_backend_section_from_shdr
@@ -89,7 +89,7 @@ static void sh64_find_section_for_address
 #define elf_backend_merge_symbol_attribute     sh64_elf_merge_symbol_attribute
 #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_get_sec_type_attr          sh64_elf_get_sec_type_attr
+#define elf_backend_special_sections           sh64_elf_special_sections
 #define elf_backend_section_flags              sh64_elf_section_flags
 
 #define bfd_elf32_new_section_hook             sh64_elf_new_section_hook
@@ -103,7 +103,8 @@ static void sh64_find_section_for_address
 /* This COFF-only function (only compiled with COFF support, making
    ELF-only chains problematic) returns TRUE early for SH4, so let's just
    define it TRUE here.  */
-#define _bfd_sh_align_load_span(a,b,c,d,e,f,g,h,i,j) TRUE
+#define _bfd_sh_align_load_span(a,b,c,d,e,f,g,h,i,j) \
+  ((void) f, (void) h, (void) i, TRUE)
 
 #define GOT_BIAS (-((long)-32768))
 #define INCLUDE_SHMEDIA
@@ -115,13 +116,16 @@ static void sh64_find_section_for_address
 static bfd_boolean
 sh64_elf_new_section_hook (bfd *abfd, asection *sec)
 {
-  struct _sh64_elf_section_data *sdata;
-  bfd_size_type amt = sizeof (*sdata);
+  if (!sec->used_by_bfd)
+    {
+      struct _sh64_elf_section_data *sdata;
+      bfd_size_type amt = sizeof (*sdata);
 
-  sdata = (struct _sh64_elf_section_data *) bfd_zalloc (abfd, amt);
-  if (sdata == NULL)
-    return FALSE;
-  sec->used_by_bfd = sdata;
+      sdata = bfd_zalloc (abfd, amt);
+      if (sdata == NULL)
+       return FALSE;
+      sec->used_by_bfd = sdata;
+    }
 
   return _bfd_elf_new_section_hook (abfd, sec);
 }
@@ -194,7 +198,8 @@ sh64_elf_copy_private_data (bfd * ibfd, bfd * obfd)
                  == elf_elfheader (ibfd)->e_flags));
 
   elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags;
-  return TRUE;
+
+  return _bfd_elf_copy_private_bfd_data (ibfd, obfd);
 }
 
 static bfd_boolean
@@ -392,7 +397,7 @@ sh64_elf_add_symbol_hook (bfd *abfd, struct bfd_link_info *info,
         right, and tweak the name when it's output.  Otherwise, we make
         an indirect symbol of it.  */
       flagword flags
-       = info->relocatable || info->emitrelocations
+       = bfd_link_relocatable (info) || info->emitrelocations
        ? BSF_GLOBAL : BSF_GLOBAL | BSF_INDIRECT;
 
       char *dl_name
@@ -436,9 +441,9 @@ sh64_elf_add_symbol_hook (bfd *abfd, struct bfd_link_info *info,
        free (dl_name);
 
       if (h->type != STT_DATALABEL
-         || ((info->relocatable || info->emitrelocations)
+         || ((bfd_link_relocatable (info) || info->emitrelocations)
              && h->root.type != bfd_link_hash_undefined)
-         || (! info->relocatable && !info->emitrelocations
+         || (! bfd_link_relocatable (info) && !info->emitrelocations
              && h->root.type != bfd_link_hash_indirect))
        {
          /* Make sure we don't get confused on invalid input.  */
@@ -473,7 +478,7 @@ sh64_elf_add_symbol_hook (bfd *abfd, struct bfd_link_info *info,
    we don't need to look up and make sure to emit the main symbol for each
    DataLabel symbol.  */
 
-bfd_boolean
+static int
 sh64_elf_link_output_symbol_hook (struct bfd_link_info *info,
                                  const char *cname,
                                  Elf_Internal_Sym *sym,
@@ -482,13 +487,13 @@ sh64_elf_link_output_symbol_hook (struct bfd_link_info *info,
 {
   char *name = (char *) cname;
 
-  if (info->relocatable || info->emitrelocations)
+  if (bfd_link_relocatable (info) || info->emitrelocations)
     {
       if (ELF_ST_TYPE (sym->st_info) == STT_DATALABEL)
        name[strlen (name) - strlen (DATALABEL_SUFFIX)] = 0;
     }
 
-  return TRUE;
+  return 1;
 }
 
 /* Check a SH64-specific reloc and put the value to relocate to into
@@ -739,9 +744,9 @@ static void
 sh64_elf_merge_symbol_attribute (struct elf_link_hash_entry *h,
                                 const Elf_Internal_Sym *isym,
                                 bfd_boolean definition,
-                                bfd_boolean dynamic)
+                                bfd_boolean dynamic ATTRIBUTE_UNUSED)
 {
-  if (isym->st_other != 0 && dynamic)
+  if ((isym->st_other & ~ELF_ST_VISIBILITY (-1)) != 0)
     {
       unsigned char other;
 
@@ -756,34 +761,16 @@ sh64_elf_merge_symbol_attribute (struct elf_link_hash_entry *h,
 
 static const struct bfd_elf_special_section sh64_elf_special_sections[] =
 {
-  { ".cranges", 8, 0, SHT_PROGBITS, 0 },
-  { NULL,       0, 0, 0,            0 }
+  { STRING_COMMA_LEN (".cranges"), 0, SHT_PROGBITS, 0 },
+  { NULL,                       0, 0, 0,            0 }
 };
 
-static const struct bfd_elf_special_section *
-sh64_elf_get_sec_type_attr (bfd *abfd, asection *sec)
-{
-  const struct bfd_elf_special_section *ssect;
-
-  /* See if this is one of the special sections.  */
-  if (sec->name == NULL)
-    return NULL;
-
-  ssect = _bfd_elf_get_special_section (sec->name,
-                                       sh64_elf_special_sections,
-                                       sec->use_rela_p);
-  if (ssect != NULL)
-    return ssect;
-
-  return _bfd_elf_get_sec_type_attr (abfd, sec);
-}
-
 #undef TARGET_BIG_SYM
-#define        TARGET_BIG_SYM          bfd_elf32_sh64_vec
+#define        TARGET_BIG_SYM          sh64_elf32_vec
 #undef TARGET_BIG_NAME
 #define        TARGET_BIG_NAME         "elf32-sh64"
 #undef TARGET_LITTLE_SYM
-#define        TARGET_LITTLE_SYM       bfd_elf32_sh64l_vec
+#define        TARGET_LITTLE_SYM       sh64_elf32_le_vec
 #undef TARGET_LITTLE_NAME
 #define        TARGET_LITTLE_NAME      "elf32-sh64l"
 
@@ -791,15 +778,16 @@ sh64_elf_get_sec_type_attr (bfd *abfd, asection *sec)
 
 /* NetBSD support.  */
 #undef TARGET_BIG_SYM
-#define        TARGET_BIG_SYM          bfd_elf32_sh64nbsd_vec
+#define        TARGET_BIG_SYM          sh64_elf32_nbsd_vec
 #undef TARGET_BIG_NAME
 #define        TARGET_BIG_NAME         "elf32-sh64-nbsd"
 #undef TARGET_LITTLE_SYM
-#define        TARGET_LITTLE_SYM       bfd_elf32_sh64lnbsd_vec
+#define        TARGET_LITTLE_SYM       sh64_elf32_nbsd_le_vec
 #undef TARGET_LITTLE_NAME
 #define        TARGET_LITTLE_NAME      "elf32-sh64l-nbsd"
 #undef ELF_MAXPAGESIZE
 #define        ELF_MAXPAGESIZE         0x10000
+#undef ELF_COMMONPAGESIZE
 #undef elf_symbol_leading_char
 #define        elf_symbol_leading_char 0
 #undef elf32_bed
@@ -809,15 +797,17 @@ sh64_elf_get_sec_type_attr (bfd *abfd, asection *sec)
 
 /* Linux support.  */
 #undef TARGET_BIG_SYM
-#define        TARGET_BIG_SYM          bfd_elf32_sh64blin_vec
+#define        TARGET_BIG_SYM          sh64_elf32_linux_be_vec
 #undef TARGET_BIG_NAME
 #define        TARGET_BIG_NAME         "elf32-sh64big-linux"
 #undef TARGET_LITTLE_SYM
-#define        TARGET_LITTLE_SYM       bfd_elf32_sh64lin_vec
+#define        TARGET_LITTLE_SYM       sh64_elf32_linux_vec
 #undef TARGET_LITTLE_NAME
 #define        TARGET_LITTLE_NAME      "elf32-sh64-linux"
 #undef elf32_bed
 #define        elf32_bed               elf32_sh64_lin_bed
+#undef ELF_COMMONPAGESIZE
+#define        ELF_COMMONPAGESIZE      0x1000
 
 #include "elf32-target.h"
 
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