More fixes for illegal memory accesses triggered by running objdump on fuzzed binaries.

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

diff --git a/bfd/elf32-bfin.c b/bfd/elf32-bfin.c
index 64793865d7925ee05debe677f9b532f9c0207fd7..80d20ca224f85f45374d0be10ae93beadcf7ae06 100644 (file)
--- a/bfd/elf32-bfin.c
+++ b/bfd/elf32-bfin.c
@@ -1,6 +1,5 @@
 /* ADI Blackfin BFD support for 32-bit ELF.
-   Copyright 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
-   Free Software Foundation, Inc.
+   Copyright (C) 2005-2015 Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
@@ -424,11 +423,11 @@ static reloc_howto_type bfin_howto_table [] =
   /* This reloc does nothing. .  */
   HOWTO (R_BFIN_UNUSED0,       /* type.  */
         0,                     /* rightshift.  */
-        2,                     /* size (0 = byte, 1 = short, 2 = long).  */
-        32,                    /* bitsize.  */
+        3,                     /* size (0 = byte, 1 = short, 2 = long).  */
+        0,                     /* bitsize.  */
         FALSE,                 /* pc_relative.  */
         0,                     /* bitpos.  */
-        complain_overflow_bitfield, /* complain_on_overflow.  */
+        complain_overflow_dont, /* complain_on_overflow.  */
         bfd_elf_generic_reloc, /* special_function.  */
         "R_BFIN_UNUSED0",      /* name.  */
         FALSE,                 /* partial_inplace.  */
@@ -452,11 +451,11 @@ static reloc_howto_type bfin_howto_table [] =
 
   HOWTO (R_BFIN_UNUSED1,       /* type.  */
         0,                     /* rightshift.  */
-        2,                     /* size (0 = byte, 1 = short, 2 = long).  */
-        32,                    /* bitsize.  */
+        3,                     /* size (0 = byte, 1 = short, 2 = long).  */
+        0,                     /* bitsize.  */
         FALSE,                 /* pc_relative.  */
         0,                     /* bitpos.  */
-        complain_overflow_bitfield, /* complain_on_overflow.  */
+        complain_overflow_dont, /* complain_on_overflow.  */
         bfd_elf_generic_reloc, /* special_function.  */
         "R_BFIN_UNUSED1",      /* name.  */
         FALSE,                 /* partial_inplace.  */
@@ -582,8 +581,8 @@ static reloc_howto_type bfin_howto_table [] =
 
   HOWTO (R_BFIN_UNUSEDB,       /* type.  */
         0,                     /* rightshift.  */
-        2,                     /* size (0 = byte, 1 = short, 2 = long).  */
-        32,                    /* bitsize.  */
+        3,                     /* size (0 = byte, 1 = short, 2 = long).  */
+        0,                     /* bitsize.  */
         FALSE,                 /* pc_relative.  */
         0,                     /* bitpos.  */
         complain_overflow_dont, /* complain_on_overflow.  */
@@ -596,8 +595,8 @@ static reloc_howto_type bfin_howto_table [] =
 
   HOWTO (R_BFIN_UNUSEDC,       /* type.  */
         0,                     /* rightshift.  */
-        2,                     /* size (0 = byte, 1 = short, 2 = long).  */
-        32,                    /* bitsize.  */
+        3,                     /* size (0 = byte, 1 = short, 2 = long).  */
+        0,                     /* bitsize.  */
         FALSE,                 /* pc_relative.  */
         0,                     /* bitpos.  */
         complain_overflow_dont, /* complain_on_overflow.  */
@@ -1066,13 +1065,13 @@ bfin_bfd_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED,
                            bfd_reloc_code_real_type code)
 {
   unsigned int i;
-  unsigned int r_type = BFIN_RELOC_MIN;
+  unsigned int r_type = (unsigned int) -1;
 
-  for (i = sizeof (bfin_reloc_map) / sizeof (bfin_reloc_map[0]); --i;)
+  for (i = sizeof (bfin_reloc_map) / sizeof (bfin_reloc_map[0]); i--;)
     if (bfin_reloc_map[i].bfd_reloc_val == code)
       r_type = bfin_reloc_map[i].bfin_reloc_val;
 
-  if (r_type <= BFIN_RELOC_MAX && r_type > BFIN_RELOC_MIN)
+  if (r_type <= BFIN_RELOC_MAX)
     return &bfin_howto_table [r_type];
 
   else if (r_type >= BFIN_GNUEXT_RELOC_MIN && r_type <= BFIN_GNUEXT_RELOC_MAX)
@@ -1733,8 +1732,8 @@ bfin_gc_sweep_hook (bfd * abfd,
   return TRUE;
 }
 \f
-extern const bfd_target bfd_elf32_bfinfdpic_vec;
-#define IS_FDPIC(bfd) ((bfd)->xvec == &bfd_elf32_bfinfdpic_vec)
+extern const bfd_target bfin_elf32_fdpic_vec;
+#define IS_FDPIC(bfd) ((bfd)->xvec == &bfin_elf32_fdpic_vec)
 
 /* An extension of the elf hash table data structure,
    containing some additional Blackfin-specific data.  */
@@ -5625,7 +5624,7 @@ struct bfd_elf_special_section const elf32_bfin_special_sections[] =
 };
 
 \f
-#define TARGET_LITTLE_SYM              bfd_elf32_bfin_vec
+#define TARGET_LITTLE_SYM              bfin_elf32_vec
 #define TARGET_LITTLE_NAME             "elf32-bfin"
 #define ELF_ARCH                       bfd_arch_bfin
 #define ELF_TARGET_ID                  BFIN_ELF_DATA
@@ -5687,7 +5686,7 @@ struct bfd_elf_special_section const elf32_bfin_special_sections[] =
 #include "elf32-target.h"
 
 #undef TARGET_LITTLE_SYM
-#define TARGET_LITTLE_SYM          bfd_elf32_bfinfdpic_vec
+#define TARGET_LITTLE_SYM          bfin_elf32_fdpic_vec
 #undef TARGET_LITTLE_NAME
 #define TARGET_LITTLE_NAME             "elf32-bfinfdpic"
 #undef elf32_bed