Automatic date update in version.in
[deliverable/binutils-gdb.git] / bfd / elf32-sh.c
index 9dd1157cf60680d6b63fec208c9a8508f4a032d8..3960427bb4914fbb5f3ca22e1a569a988fcf852e 100644 (file)
@@ -1,5 +1,5 @@
 /* Renesas / SuperH SH specific support for 32-bit ELF
-   Copyright (C) 1996-2016 Free Software Foundation, Inc.
+   Copyright (C) 1996-2017 Free Software Foundation, Inc.
    Contributed by Ian Lance Taylor, Cygnus Support.
 
    This file is part of BFD, the Binary File Descriptor library.
@@ -577,8 +577,8 @@ sh_elf_relax_section (bfd *abfd, asection *sec,
       if (laddr >= sec->size)
        {
          /* xgettext:c-format */
-         _bfd_error_handler (_("%B: 0x%lx: warning: bad R_SH_USES offset"),
-                             abfd, (unsigned long) irel->r_offset);
+         _bfd_error_handler (_("%B: %#Lx: warning: bad R_SH_USES offset"),
+                             abfd, irel->r_offset);
          continue;
        }
       insn = bfd_get_16 (abfd, contents + laddr);
@@ -589,8 +589,8 @@ sh_elf_relax_section (bfd *abfd, asection *sec,
        {
          _bfd_error_handler
            /* xgettext:c-format */
-           (_("%B: 0x%lx: warning: R_SH_USES points to unrecognized insn 0x%x"),
-            abfd, (unsigned long) irel->r_offset, insn);
+           (_("%B: %#Lx: warning: R_SH_USES points to unrecognized insn 0x%x"),
+            abfd, irel->r_offset, insn);
          continue;
        }
 
@@ -607,8 +607,8 @@ sh_elf_relax_section (bfd *abfd, asection *sec,
        {
          _bfd_error_handler
            /* xgettext:c-format */
-           (_("%B: 0x%lx: warning: bad R_SH_USES load offset"),
-            abfd, (unsigned long) irel->r_offset);
+           (_("%B: %#Lx: warning: bad R_SH_USES load offset"),
+            abfd, irel->r_offset);
          continue;
        }
 
@@ -623,8 +623,8 @@ sh_elf_relax_section (bfd *abfd, asection *sec,
        {
          _bfd_error_handler
            /* xgettext:c-format */
-           (_("%B: 0x%lx: warning: could not find expected reloc"),
-            abfd, (unsigned long) paddr);
+           (_("%B: %#Lx: warning: could not find expected reloc"),
+            abfd, paddr);
          continue;
        }
 
@@ -652,8 +652,8 @@ sh_elf_relax_section (bfd *abfd, asection *sec,
            {
              _bfd_error_handler
                /* xgettext:c-format */
-               (_("%B: 0x%lx: warning: symbol in unexpected section"),
-                abfd, (unsigned long) paddr);
+               (_("%B: %#Lx: warning: symbol in unexpected section"),
+                abfd, paddr);
              continue;
            }
 
@@ -782,8 +782,8 @@ sh_elf_relax_section (bfd *abfd, asection *sec,
        {
          _bfd_error_handler
            /* xgettext:c-format */
-           (_("%B: 0x%lx: warning: could not find expected COUNT reloc"),
-            abfd, (unsigned long) paddr);
+           (_("%B: %#Lx: warning: could not find expected COUNT reloc"),
+            abfd, paddr);
          continue;
        }
 
@@ -792,8 +792,8 @@ sh_elf_relax_section (bfd *abfd, asection *sec,
       if (irelcount->r_addend == 0)
        {
          /* xgettext:c-format */
-         _bfd_error_handler (_("%B: 0x%lx: warning: bad count"),
-                             abfd, (unsigned long) paddr);
+         _bfd_error_handler (_("%B: %#Lx: warning: bad count"),
+                             abfd, paddr);
          continue;
        }
 
@@ -913,7 +913,7 @@ sh_elf_relax_delete_bytes (bfd *abfd, asection *sec, bfd_vma addr,
 
   contents = elf_section_data (sec)->this_hdr.contents;
 
-  /* The deletion must stop at the next ALIGN reloc for an aligment
+  /* The deletion must stop at the next ALIGN reloc for an alignment
      power larger than the number of bytes we are deleting.  */
 
   irelalign = NULL;
@@ -1196,8 +1196,8 @@ sh_elf_relax_delete_bytes (bfd *abfd, asection *sec, bfd_vma addr,
            {
              _bfd_error_handler
                /* xgettext:c-format */
-               (_("%B: 0x%lx: fatal: reloc overflow while relaxing"),
-                abfd, (unsigned long) irel->r_offset);
+               (_("%B: %#Lx: fatal: reloc overflow while relaxing"),
+                abfd, irel->r_offset);
              bfd_set_error (bfd_error_bad_value);
              return FALSE;
            }
@@ -1567,8 +1567,8 @@ sh_elf_swap_insns (bfd *abfd, asection *sec, void *relocs,
            {
              _bfd_error_handler
                /* xgettext:c-format */
-               (_("%B: 0x%lx: fatal: reloc overflow while relaxing"),
-                abfd, (unsigned long) irel->r_offset);
+               (_("%B: %#Lx: fatal: reloc overflow while relaxing"),
+                abfd, irel->r_offset);
              bfd_set_error (bfd_error_bad_value);
              return FALSE;
            }
@@ -3221,7 +3221,8 @@ allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
       if (eh->dyn_relocs != NULL
          && h->root.type == bfd_link_hash_undefweak)
        {
-         if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
+         if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
+             || UNDEFWEAK_NO_DYNAMIC_RELOC (info, h))
            eh->dyn_relocs = NULL;
 
          /* Make sure undefined weak symbols are output as a dynamic
@@ -3300,6 +3301,9 @@ readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
 
          info->flags |= DF_TEXTREL;
 
+         info->callbacks->minfo (_("%B: dynamic relocation in read-only section `%A'\n"),
+                                 p->sec->owner, p->sec);
+
          /* Not an error, just cut short the traversal.  */
          return FALSE;
        }
@@ -3399,7 +3403,11 @@ sh_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
                  srel = elf_section_data (p->sec)->sreloc;
                  srel->size += p->count * sizeof (Elf32_External_Rela);
                  if ((p->sec->output_section->flags & SEC_READONLY) != 0)
-                   info->flags |= DF_TEXTREL;
+                   {
+                     info->flags |= DF_TEXTREL;
+                     info->callbacks->minfo (_("%B: dynamic relocation in read-only section `%A'\n"),
+                                             p->sec->owner, p->sec);
+                   }
 
                  /* If we need relocations, we do not need fixups.  */
                  if (htab->fdpic_p && !bfd_link_pic (info))
@@ -3887,6 +3895,7 @@ sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
       bfd_vma off;
       enum got_type got_type;
       const char *symname = NULL;
+      bfd_boolean resolved_to_zero;
 
       r_symndx = ELF32_R_SYM (rel->r_info);
 
@@ -3926,6 +3935,7 @@ sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
       if (! howto->partial_inplace)
        addend = rel->r_addend;
 
+      resolved_to_zero = FALSE;
       h = NULL;
       sym = NULL;
       sec = NULL;
@@ -4006,9 +4016,9 @@ sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
                {
                  _bfd_error_handler
                    /* xgettext:c-format */
-                   (_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"),
+                   (_("%B(%A+%#Lx): %s relocation against SEC_MERGE section"),
                     input_bfd, input_section,
-                    (long) rel->r_offset, howto->name);
+                    rel->r_offset, howto->name);
                  return FALSE;
                }
 
@@ -4124,17 +4134,17 @@ sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
                {
                  _bfd_error_handler
                    /* xgettext:c-format */
-                   (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
+                   (_("%B(%A+%#Lx): unresolvable %s relocation against symbol `%s'"),
                     input_bfd,
                     input_section,
-                    (long) rel->r_offset,
+                    rel->r_offset,
                     howto->name,
                     h->root.root.string);
                  return FALSE;
                }
            }
          else if (h->root.type == bfd_link_hash_undefweak)
-           ;
+           resolved_to_zero = UNDEFWEAK_NO_DYNAMIC_RELOC (info, h);
          else if (info->unresolved_syms_in_objects == RM_IGNORE
                   && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
            ;
@@ -4203,9 +4213,9 @@ sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
                {
                  _bfd_error_handler
                    /* xgettext:c-format */
-                   (_("%B: 0x%lx: fatal: unaligned branch target for relax-support relocation"),
+                   (_("%B: %#Lx: fatal: unaligned branch target for relax-support relocation"),
                     input_section->owner,
-                    (unsigned long) rel->r_offset);
+                    rel->r_offset);
                  bfd_set_error (bfd_error_bad_value);
                  return FALSE;
                }
@@ -4237,10 +4247,10 @@ sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
            {
              _bfd_error_handler
                /* xgettext:c-format */
-               (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
+               (_("%B: %#Lx: fatal: unaligned %s relocation %#Lx"),
                 input_section->owner,
-                (unsigned long) rel->r_offset, howto->name,
-                (unsigned long) relocation);
+                rel->r_offset, howto->name,
+                relocation);
              bfd_set_error (bfd_error_bad_value);
              return FALSE;
            }
@@ -4253,10 +4263,10 @@ sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
            {
              _bfd_error_handler
                /* xgettext:c-format */
-               (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"),
+               (_("%B: %#Lx: fatal: unaligned %s relocation %#Lx"),
                 input_section->owner,
-                (unsigned long) rel->r_offset, howto->name,
-                (unsigned long) relocation);
+                rel->r_offset, howto->name,
+                relocation);
              bfd_set_error (bfd_error_bad_value);
              return FALSE;
            }
@@ -4268,10 +4278,10 @@ sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
            {
              _bfd_error_handler
                /* xgettext:c-format */
-               (_("%B: 0x%lx: fatal: R_SH_PSHA relocation %d not in range -32..32"),
+               (_("%B: %#Lx: fatal: R_SH_PSHA relocation %Ld not in range -32..32"),
                 input_section->owner,
-                (unsigned long) rel->r_offset,
-                (unsigned long) relocation);
+                rel->r_offset,
+                relocation);
              bfd_set_error (bfd_error_bad_value);
              return FALSE;
            }
@@ -4283,10 +4293,10 @@ sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
            {
              _bfd_error_handler
                /* xgettext:c-format */
-               (_("%B: 0x%lx: fatal: R_SH_PSHL relocation %d not in range -32..32"),
+               (_("%B: %#Lx: fatal: R_SH_PSHL relocation %Ld not in range -32..32"),
                 input_section->owner,
-                (unsigned long) rel->r_offset,
-                (unsigned long) relocation);
+                rel->r_offset,
+                relocation);
              bfd_set_error (bfd_error_bad_value);
              return FALSE;
            }
@@ -4302,7 +4312,8 @@ sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
 #endif
          if (bfd_link_pic (info)
              && (h == NULL
-                 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
+                 || (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
+                     && !resolved_to_zero)
                  || h->root.type != bfd_link_hash_undefweak)
              && r_symndx != STN_UNDEF
              && (input_section->flags & SEC_ALLOC) != 0
@@ -4428,10 +4439,10 @@ sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
                  {
                    _bfd_error_handler
                      /* xgettext:c-format */
-                     (_("%B(%A+0x%lx): cannot emit fixup to `%s' in read-only section"),
+                     (_("%B(%A+%#Lx): cannot emit fixup to `%s' in read-only section"),
                       input_bfd,
                       input_section,
-                      (long) rel->r_offset,
+                      rel->r_offset,
                       symname);
                    return FALSE;
                  }
@@ -4530,7 +4541,8 @@ sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
                                                     h)
                  || (bfd_link_pic (info)
                      && SYMBOL_REFERENCES_LOCAL (info, h))
-                 || (ELF_ST_VISIBILITY (h->other)
+                 || ((ELF_ST_VISIBILITY (h->other)
+                      || resolved_to_zero)
                      && h->root.type == bfd_link_hash_undefweak))
                {
                  /* This is actually a static link, or it is a
@@ -4900,10 +4912,10 @@ sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
                  {
                    _bfd_error_handler
                      /* xgettext:c-format */
-                     (_("%B(%A+0x%lx): cannot emit fixup to `%s' in read-only section"),
+                     (_("%B(%A+%#Lx): cannot emit fixup to `%s' in read-only section"),
                       input_bfd,
                       input_section,
-                      (long) rel->r_offset,
+                      rel->r_offset,
                       symname);
                    return FALSE;
                  }
@@ -5002,8 +5014,8 @@ sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
            {
              _bfd_error_handler
                /* xgettext:c-format */
-               (_("%B(%A+0x%lx): %s relocation against external symbol \"%s\""),
-                input_bfd, input_section, (long) rel->r_offset, howto->name,
+               (_("%B(%A+%#Lx): %s relocation against external symbol \"%s\""),
+                input_bfd, input_section, rel->r_offset, howto->name,
                 h->root.root.string);
              return FALSE;
            }
@@ -5823,7 +5835,7 @@ sh_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
 
          /* PR15323, ref flags aren't set for references in the same
             object.  */
-         h->root.non_ir_ref = 1;
+         h->root.non_ir_ref_regular = 1;
        }
 
       r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL);
@@ -6344,7 +6356,7 @@ sh_elf_set_mach_from_flags (bfd *abfd)
 {
   flagword flags = elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK;
 
-  if (flags >= sizeof(sh_ef_bfd_table))
+  if (flags >= ARRAY_SIZE (sh_ef_bfd_table))
     return FALSE;
 
   if (sh_ef_bfd_table[flags] == 0)
@@ -7301,6 +7313,8 @@ sh_elf_encode_eh_address (bfd *abfd,
 #define elf_backend_got_header_size    12
 #define elf_backend_dtrel_excludes_plt 1
 
+#define elf_backend_linux_prpsinfo32_ugid16    TRUE
+
 #if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED
 
 #include "elf32-target.h"
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