Update year range in copyright notice of binutils files

[deliverable/binutils-gdb.git] / bfd / versados.c

diff --git a/bfd/versados.c b/bfd/versados.c
index f5755229d55c37462e0158d6c496503436ec1670..369ec2fe3f05cfe48361b50f465b24a23cc988b8 100644 (file)
--- a/bfd/versados.c
+++ b/bfd/versados.c
@@ -1,5 +1,5 @@
 /* BFD back-end for VERSAdos-E objects.
-   Copyright (C) 1995-2017 Free Software Foundation, Inc.
+   Copyright (C) 1995-2018 Free Software Foundation, Inc.
    Written by Steve Chamberlain of Cygnus Support <sac@cygnus.com>.
 
    Versados is a Motorola trademark.
@@ -122,8 +122,8 @@ struct ext_esd
   unsigned char esd_entries[1];
 };
 
-#define ESD_ABS          0
-#define ESD_COMMON       1
+#define ESD_ABS                  0
+#define ESD_COMMON       1
 #define ESD_STD_REL_SEC   2
 #define ESD_SHRT_REL_SEC  3
 #define ESD_XDEF_IN_SEC   4
@@ -149,7 +149,7 @@ versados_mkobject (bfd *abfd)
   if (abfd->tdata.versados_data == NULL)
     {
       bfd_size_type amt = sizeof (tdata_type);
-      tdata_type *tdata = bfd_alloc (abfd, amt);
+      tdata_type *tdata = bfd_zalloc (abfd, amt);
 
       if (tdata == NULL)
        return FALSE;
@@ -345,13 +345,13 @@ reloc_howto_type versados_howto_table[] =
 };
 
 static int
-get_offset (int len, unsigned char *ptr)
+get_offset (unsigned int len, unsigned char *ptr)
 {
   int val = 0;
 
   if (len)
     {
-      int i;
+      unsigned int i;
 
       val = *ptr++;
       if (val & 0x80)
@@ -394,9 +394,13 @@ process_otr (bfd *abfd, struct ext_otr *otr, int pass)
          int flag = *srcp++;
          int esdids = (flag >> 5) & 0x7;
          int sizeinwords = ((flag >> 3) & 1) ? 2 : 1;
-         int offsetlen = flag & 0x7;
+         unsigned int offsetlen = flag & 0x7;
          int j;
 
+         /* PR 21591: Check for invalid lengths.  */
+         if (srcp + esdids + offsetlen >= endp)
+           return;
+
          if (esdids == 0)
            {
              /* A zero esdid means the new pc is the offset given.  */
@@ -841,40 +845,42 @@ versados_canonicalize_reloc (bfd *abfd,
   return section->reloc_count;
 }
 
-#define        versados_close_and_cleanup                    _bfd_generic_close_and_cleanup
-#define versados_bfd_free_cached_info                 _bfd_generic_bfd_free_cached_info
-#define versados_new_section_hook                     _bfd_generic_new_section_hook
-#define versados_bfd_is_target_special_symbol   ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
-#define versados_bfd_is_local_label_name              bfd_generic_is_local_label_name
-#define versados_get_lineno                           _bfd_nosymbols_get_lineno
-#define versados_find_nearest_line                    _bfd_nosymbols_find_nearest_line
-#define versados_find_line                            _bfd_nosymbols_find_line
-#define versados_find_inliner_info                    _bfd_nosymbols_find_inliner_info
+#define        versados_close_and_cleanup                    _bfd_generic_close_and_cleanup
+#define versados_bfd_free_cached_info                _bfd_generic_bfd_free_cached_info
+#define versados_new_section_hook                    _bfd_generic_new_section_hook
+#define versados_bfd_is_target_special_symbol  ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
+#define versados_bfd_is_local_label_name             bfd_generic_is_local_label_name
+#define versados_get_lineno                          _bfd_nosymbols_get_lineno
+#define versados_find_nearest_line                   _bfd_nosymbols_find_nearest_line
+#define versados_find_line                           _bfd_nosymbols_find_line
+#define versados_find_inliner_info                   _bfd_nosymbols_find_inliner_info
 #define versados_get_symbol_version_string           _bfd_nosymbols_get_symbol_version_string
-#define versados_make_empty_symbol                    _bfd_generic_make_empty_symbol
-#define versados_bfd_make_debug_symbol                _bfd_nosymbols_bfd_make_debug_symbol
-#define versados_read_minisymbols                     _bfd_generic_read_minisymbols
-#define versados_minisymbol_to_symbol                 _bfd_generic_minisymbol_to_symbol
-#define versados_bfd_reloc_type_lookup                _bfd_norelocs_bfd_reloc_type_lookup
-#define versados_bfd_reloc_name_lookup          _bfd_norelocs_bfd_reloc_name_lookup
-#define versados_set_arch_mach                        bfd_default_set_arch_mach
+#define versados_make_empty_symbol                   _bfd_generic_make_empty_symbol
+#define versados_bfd_make_debug_symbol               _bfd_nosymbols_bfd_make_debug_symbol
+#define versados_read_minisymbols                    _bfd_generic_read_minisymbols
+#define versados_minisymbol_to_symbol                _bfd_generic_minisymbol_to_symbol
+#define versados_bfd_reloc_type_lookup               _bfd_norelocs_bfd_reloc_type_lookup
+#define versados_bfd_reloc_name_lookup         _bfd_norelocs_bfd_reloc_name_lookup
+#define versados_set_arch_mach                       bfd_default_set_arch_mach
 #define versados_bfd_get_relocated_section_contents   bfd_generic_get_relocated_section_contents
-#define versados_bfd_relax_section                    bfd_generic_relax_section
-#define versados_bfd_gc_sections                      bfd_generic_gc_sections
-#define versados_bfd_lookup_section_flags             bfd_generic_lookup_section_flags
-#define versados_bfd_merge_sections                   bfd_generic_merge_sections
-#define versados_bfd_is_group_section                 bfd_generic_is_group_section
-#define versados_bfd_discard_group                    bfd_generic_discard_group
-#define versados_section_already_linked               _bfd_generic_section_already_linked
-#define versados_bfd_define_common_symbol             bfd_generic_define_common_symbol
-#define versados_bfd_link_hash_table_create           _bfd_generic_link_hash_table_create
-#define versados_bfd_link_add_symbols                 _bfd_generic_link_add_symbols
-#define versados_bfd_link_just_syms                   _bfd_generic_link_just_syms
+#define versados_bfd_relax_section                   bfd_generic_relax_section
+#define versados_bfd_gc_sections                     bfd_generic_gc_sections
+#define versados_bfd_lookup_section_flags            bfd_generic_lookup_section_flags
+#define versados_bfd_merge_sections                  bfd_generic_merge_sections
+#define versados_bfd_is_group_section                bfd_generic_is_group_section
+#define versados_bfd_discard_group                   bfd_generic_discard_group
+#define versados_section_already_linked                      _bfd_generic_section_already_linked
+#define versados_bfd_define_common_symbol            bfd_generic_define_common_symbol
+#define versados_bfd_define_start_stop               bfd_generic_define_start_stop
+#define versados_bfd_link_hash_table_create          _bfd_generic_link_hash_table_create
+#define versados_bfd_link_add_symbols                _bfd_generic_link_add_symbols
+#define versados_bfd_link_just_syms                  _bfd_generic_link_just_syms
 #define versados_bfd_copy_link_hash_symbol_type \
   _bfd_generic_copy_link_hash_symbol_type
-#define versados_bfd_final_link                       _bfd_generic_final_link
-#define versados_bfd_link_split_section               _bfd_generic_link_split_section
-#define versados_bfd_link_check_relocs                _bfd_generic_link_check_relocs
+#define versados_bfd_final_link                              _bfd_generic_final_link
+#define versados_bfd_link_split_section                      _bfd_generic_link_split_section
+#define versados_bfd_link_check_relocs               _bfd_generic_link_check_relocs
+#define versados_set_reloc                           _bfd_generic_set_reloc
 
 const bfd_target m68k_versados_vec =
 {