This patch set for the generic BFD a.out backend removes a dead #define and makes...

[deliverable/binutils-gdb.git] / bfd / elf32-cr16.c

diff --git a/bfd/elf32-cr16.c b/bfd/elf32-cr16.c
index 46d9fe2c18e3503bb8c51f484d27502e13f9472d..62906c83a500821dcedbcf367d0338ede5e47146 100644 (file)
--- a/bfd/elf32-cr16.c
+++ b/bfd/elf32-cr16.c
@@ -1,5 +1,5 @@
 /* BFD back-end for National Semiconductor's CR16 ELF
-   Copyright (C) 2007-2018 Free Software Foundation, Inc.
+   Copyright (C) 2007-2020 Free Software Foundation, Inc.
    Written by M R Swami Reddy.
 
    This file is part of BFD, the Binary File Descriptor library.
@@ -25,6 +25,7 @@
 #include "libiberty.h"
 #include "elf-bfd.h"
 #include "elf/cr16.h"
+#include "elf32-cr16.h"
 
 /* The cr16 linker needs to keep track of the number of relocs that
    it decides to copy in check_relocs for each symbol.  This is so
@@ -610,7 +611,7 @@ _bfd_cr16_elf_create_got_section (bfd * abfd, struct bfd_link_info * info)
   s = bfd_make_section_anyway_with_flags (abfd, ".got", flags);
   htab->sgot= s;
   if (s == NULL
-      || ! bfd_set_section_alignment (abfd, s, ptralign))
+      || !bfd_set_section_alignment (s, ptralign))
     return FALSE;
 
   if (bed->want_got_plt)
@@ -618,7 +619,7 @@ _bfd_cr16_elf_create_got_section (bfd * abfd, struct bfd_link_info * info)
       s = bfd_make_section_anyway_with_flags (abfd, ".got.plt", flags);
       htab->sgotplt = s;
       if (s == NULL
-         || ! bfd_set_section_alignment (abfd, s, ptralign))
+         || !bfd_set_section_alignment (s, ptralign))
        return FALSE;
     }
 
@@ -671,7 +672,7 @@ elf_cr16_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
 
 /* Retrieve a howto ptr using an internal relocation entry.  */
 
-static void
+static bfd_boolean
 elf_cr16_info_to_howto (bfd *abfd, arelent *cache_ptr,
                        Elf_Internal_Rela *dst)
 {
@@ -683,9 +684,10 @@ elf_cr16_info_to_howto (bfd *abfd, arelent *cache_ptr,
       _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
                          abfd, r_type);
       bfd_set_error (bfd_error_bad_value);
-      r_type = R_CR16_NONE;
+      return FALSE;
     }
   cache_ptr->howto = cr16_elf_howto_table + r_type;
+  return TRUE;
 }
 
 /* Look through the relocs for a section during the first phase.
@@ -822,10 +824,9 @@ cr16_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
        }
     }
 
-   result = TRUE;
-  fail:
-    if (isymbuf != NULL)
-      free (isymbuf);
+  result = TRUE;
+ fail:
+  free (isymbuf);
 
   return result;
 }
@@ -1443,7 +1444,7 @@ elf32_cr16_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
              name = (bfd_elf_string_from_elf_section
                      (input_bfd, symtab_hdr->sh_link, sym->st_name));
              if (name == NULL || *name == '\0')
-               name = bfd_section_name (input_bfd, sec);
+               name = bfd_section_name (sec);
            }
 
          switch (r)
@@ -1570,10 +1571,8 @@ elf32_cr16_get_relocated_section_contents (bfd *output_bfd,
                                     isymbuf, sections))
        goto error_return;
 
-      if (sections != NULL)
-       free (sections);
-      if (isymbuf != NULL
-         && symtab_hdr->contents != (unsigned char *) isymbuf)
+      free (sections);
+      if (symtab_hdr->contents != (unsigned char *) isymbuf)
        free (isymbuf);
       if (elf_section_data (input_section)->relocs != internal_relocs)
        free (internal_relocs);
@@ -1582,13 +1581,10 @@ elf32_cr16_get_relocated_section_contents (bfd *output_bfd,
   return data;
 
  error_return:
-  if (sections != NULL)
-    free (sections);
-  if (isymbuf != NULL
-      && symtab_hdr->contents != (unsigned char *) isymbuf)
+  free (sections);
+  if (symtab_hdr->contents != (unsigned char *) isymbuf)
     free (isymbuf);
-  if (internal_relocs != NULL
-      && elf_section_data (input_section)->relocs != internal_relocs)
+  if (elf_section_data (input_section)->relocs != internal_relocs)
     free (internal_relocs);
   return NULL;
 }
@@ -1639,7 +1635,7 @@ static struct bfd_link_hash_table *
 elf32_cr16_link_hash_table_create (bfd *abfd)
 {
   struct elf_link_hash_table *ret;
-  bfd_size_type amt = sizeof (struct elf_link_hash_table);
+  size_t amt = sizeof (struct elf_link_hash_table);
 
   ret = (struct elf_link_hash_table *) bfd_zmalloc (amt);
   if (ret == (struct elf_link_hash_table *) NULL)
@@ -1672,9 +1668,8 @@ elf_cr16_mach (flagword flags)
    file.  This gets the CR16 architecture right based on the machine
    number.  */
 
-static void
-_bfd_cr16_elf_final_write_processing (bfd *abfd,
-                                     bfd_boolean linker ATTRIBUTE_UNUSED)
+static bfd_boolean
+_bfd_cr16_elf_final_write_processing (bfd *abfd)
 {
   unsigned long val;
   switch (bfd_get_mach (abfd))
@@ -1684,9 +1679,8 @@ _bfd_cr16_elf_final_write_processing (bfd *abfd,
        val = EM_CR16;
        break;
     }
-
-
- elf_elfheader (abfd)->e_flags |= val;
+  elf_elfheader (abfd)->e_flags |= val;
+  return _bfd_elf_final_write_processing (abfd);
 }
 
 
@@ -2174,21 +2168,17 @@ elf32_cr16_relax_section (bfd *abfd, asection *sec,
 
     }
 
-  if (internal_relocs != NULL
-      && elf_section_data (sec)->relocs != internal_relocs)
+  if (elf_section_data (sec)->relocs != internal_relocs)
     free (internal_relocs);
 
   return TRUE;
 
  error_return:
-  if (isymbuf != NULL
-      && symtab_hdr->contents != (unsigned char *) isymbuf)
+  if (symtab_hdr->contents != (unsigned char *) isymbuf)
     free (isymbuf);
-  if (contents != NULL
-      && elf_section_data (sec)->this_hdr.contents != contents)
+  if (elf_section_data (sec)->this_hdr.contents != contents)
     free (contents);
-  if (internal_relocs != NULL
-      && elf_section_data (sec)->relocs != internal_relocs)
+  if (elf_section_data (sec)->relocs != internal_relocs)
     free (internal_relocs);
 
   return FALSE;
@@ -2242,7 +2232,7 @@ _bfd_cr16_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
                                          flags | SEC_READONLY);
   htab->srelplt = s;
   if (s == NULL
-      || ! bfd_set_section_alignment (abfd, s, ptralign))
+      || !bfd_set_section_alignment (s, ptralign))
     return FALSE;
 
   if (! _bfd_cr16_elf_create_got_section (abfd, info))
@@ -2279,7 +2269,7 @@ _bfd_cr16_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
                                                   ? ".rela.bss" : ".rel.bss"),
                                                  flags | SEC_READONLY);
          if (s == NULL
-             || ! bfd_set_section_alignment (abfd, s, ptralign))
+             || !bfd_set_section_alignment (s, ptralign))
            return FALSE;
        }
     }
@@ -2464,7 +2454,7 @@ _bfd_cr16_elf_size_dynamic_sections (bfd * output_bfd,
 
       /* It's OK to base decisions on the section name, because none
         of the dynobj section names depend upon the input files.  */
-      name = bfd_get_section_name (dynobj, s);
+      name = bfd_section_name (s);
 
       if (strcmp (name, ".plt") == 0)
        {
@@ -2490,8 +2480,7 @@ _bfd_cr16_elf_size_dynamic_sections (bfd * output_bfd,
                     entry.  The entries in the .rela.plt section
                     really apply to the .got section, which we
                     created ourselves and so know is not readonly.  */
-                 outname = bfd_get_section_name (output_bfd,
-                                                 s->output_section);
+                 outname = bfd_section_name (s->output_section);
                  target = bfd_get_section_by_name (output_bfd, outname + 5);
                  if (target != NULL
                      && (target->flags & SEC_READONLY) != 0
@@ -2848,18 +2837,16 @@ bfd_cr16_elf32_create_embedded_relocs (bfd *abfd,
         strncpy ((char *) p + 4, targetsec->output_section->name, 4);
     }
 
-  if (isymbuf != NULL && symtab_hdr->contents != (unsigned char *) isymbuf)
+  if (symtab_hdr->contents != (unsigned char *) isymbuf)
     free (isymbuf);
-  if (internal_relocs != NULL
-      && elf_section_data (datasec)->relocs != internal_relocs)
+  if (elf_section_data (datasec)->relocs != internal_relocs)
     free (internal_relocs);
   return TRUE;
 
-error_return:
-  if (isymbuf != NULL && symtab_hdr->contents != (unsigned char *) isymbuf)
+ error_return:
+  if (symtab_hdr->contents != (unsigned char *) isymbuf)
     free (isymbuf);
-  if (internal_relocs != NULL
-      && elf_section_data (datasec)->relocs != internal_relocs)
+  if (elf_section_data (datasec)->relocs != internal_relocs)
     free (internal_relocs);
   return FALSE;
 }
@@ -2895,7 +2882,7 @@ _bfd_cr16_elf_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSE
 #define bfd_elf32_bfd_reloc_type_lookup          elf_cr16_reloc_type_lookup
 #define bfd_elf32_bfd_reloc_name_lookup          elf_cr16_reloc_name_lookup
 #define elf_info_to_howto                elf_cr16_info_to_howto
-#define elf_info_to_howto_rel            0
+#define elf_info_to_howto_rel            NULL
 #define elf_backend_relocate_section     elf32_cr16_relocate_section
 #define bfd_elf32_bfd_relax_section      elf32_cr16_relax_section
 #define bfd_elf32_bfd_get_relocated_section_contents \