[binutils] Bump binutils to 2.20.1

binutils/bfd/elf32-arm.c

 /* 32-bit ELF support for ARM
    Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
-   2008, 2009  Free Software Foundation, Inc.
+   2008, 2009, 2010  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 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 203 matching lines @@
          bfd_elf_generic_reloc, /* special_function */
          "R_ARM_SBREL32",       /* name */
          FALSE,                 /* partial_inplace */
          0xffffffff,            /* src_mask */
          0xffffffff,            /* dst_mask */
          FALSE),                /* pcrel_offset */
 
   HOWTO (R_ARM_THM_CALL,        /* type */
          1,                     /* rightshift */
          2,                     /* size (0 = byte, 1 = short, 2 = long) */
-         25,                    /* bitsize */
+         24,                    /* bitsize */
          TRUE,                  /* pc_relative */
          0,                     /* bitpos */
          complain_overflow_signed,/* complain_on_overflow */
          bfd_elf_generic_reloc, /* special_function */
          "R_ARM_THM_CALL",      /* name */
          FALSE,                 /* partial_inplace */
          0x07ff07ff,            /* src_mask */
          0x07ff07ff,            /* dst_mask */
          TRUE),                 /* pcrel_offset */
 
@@ skipping 7288 matching lines @@
           signed_check = check;
         else
           signed_check = check | ~((bfd_vma) -1 >> howto->rightshift);
 
         /* Calculate the permissable maximum and minimum values for
            this relocation according to whether we're relocating for
            Thumb-2 or not.  */
         bitsize = howto->bitsize;
         if (!thumb2)
           bitsize -= 2;
-        reloc_signed_max = ((1 << (bitsize - 1)) - 1) >> howto->rightshift;
+        reloc_signed_max = (1 << (bitsize - 1)) - 1;
         reloc_signed_min = ~reloc_signed_max;
 
         /* Assumes two's complement.  */
         if (signed_check > reloc_signed_max || signed_check < reloc_signed_min)
           overflow = TRUE;
 
         if ((lower_insn & 0x5000) == 0x4000)
           /* For a BLX instruction, make sure that the relocation is rounded up
              to a word boundary.  This follows the semantics of the instruction
              which specifies that bit 1 of the target address will come from bit
@@ skipping 6608 matching lines @@
 #undef  elf_backend_may_use_rela_p
 #define elf_backend_may_use_rela_p      0
 #undef  elf_backend_default_use_rela_p
 #define elf_backend_default_use_rela_p  0
 #undef  elf_backend_want_plt_sym
 #define elf_backend_want_plt_sym        0
 #undef  ELF_MAXPAGESIZE
 #define ELF_MAXPAGESIZE                 0x8000
 
 #include "elf32-target.h"