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[/] [openrisc/] [trunk/] [gnu-stable/] [binutils-2.20.1/] [bfd/] [elf32-msp430.c] - Diff between revs 816 and 818

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/*  MSP430-specific support for 32-bit ELF
/*  MSP430-specific support for 32-bit ELF
    Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007
    Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007
    Free Software Foundation, Inc.
    Free Software Foundation, Inc.
    Contributed by Dmitry Diky <diwil@mail.ru>
    Contributed by Dmitry Diky <diwil@mail.ru>
 
 
    This file is part of BFD, the Binary File Descriptor library.
    This file is part of BFD, the Binary File Descriptor library.
 
 
    This program is free software; you can redistribute it and/or modify
    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
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
    the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
    (at your option) any later version.
 
 
    This program is distributed in the hope that it will be useful,
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
    GNU General Public License for more details.
 
 
    You should have received a copy of the GNU General Public License
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
    MA 02110-1301, USA.  */
    MA 02110-1301, USA.  */
 
 
#include "sysdep.h"
#include "sysdep.h"
#include "bfd.h"
#include "bfd.h"
#include "libiberty.h"
#include "libiberty.h"
#include "libbfd.h"
#include "libbfd.h"
#include "elf-bfd.h"
#include "elf-bfd.h"
#include "elf/msp430.h"
#include "elf/msp430.h"
 
 
/* Use RELA instead of REL.  */
/* Use RELA instead of REL.  */
#undef USE_REL
#undef USE_REL
 
 
static reloc_howto_type elf_msp430_howto_table[] =
static reloc_howto_type elf_msp430_howto_table[] =
{
{
  HOWTO (R_MSP430_NONE,         /* type */
  HOWTO (R_MSP430_NONE,         /* type */
         0,                      /* rightshift */
         0,                      /* rightshift */
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
         32,                    /* bitsize */
         32,                    /* bitsize */
         FALSE,                 /* pc_relative */
         FALSE,                 /* pc_relative */
         0,                      /* bitpos */
         0,                      /* bitpos */
         complain_overflow_bitfield,/* complain_on_overflow */
         complain_overflow_bitfield,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         bfd_elf_generic_reloc, /* special_function */
         "R_MSP430_NONE",       /* name */
         "R_MSP430_NONE",       /* name */
         FALSE,                 /* partial_inplace */
         FALSE,                 /* partial_inplace */
         0,                      /* src_mask */
         0,                      /* src_mask */
         0,                      /* dst_mask */
         0,                      /* dst_mask */
         FALSE),                /* pcrel_offset */
         FALSE),                /* pcrel_offset */
 
 
  HOWTO (R_MSP430_32,           /* type */
  HOWTO (R_MSP430_32,           /* type */
         0,                      /* rightshift */
         0,                      /* rightshift */
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
         32,                    /* bitsize */
         32,                    /* bitsize */
         FALSE,                 /* pc_relative */
         FALSE,                 /* pc_relative */
         0,                      /* bitpos */
         0,                      /* bitpos */
         complain_overflow_bitfield,/* complain_on_overflow */
         complain_overflow_bitfield,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         bfd_elf_generic_reloc, /* special_function */
         "R_MSP430_32",         /* name */
         "R_MSP430_32",         /* name */
         FALSE,                 /* partial_inplace */
         FALSE,                 /* partial_inplace */
         0xffffffff,            /* src_mask */
         0xffffffff,            /* src_mask */
         0xffffffff,            /* dst_mask */
         0xffffffff,            /* dst_mask */
         FALSE),                /* pcrel_offset */
         FALSE),                /* pcrel_offset */
 
 
  /* A 13 bit PC relative relocation.  */
  /* A 13 bit PC relative relocation.  */
  HOWTO (R_MSP430_10_PCREL,     /* type */
  HOWTO (R_MSP430_10_PCREL,     /* type */
         1,                     /* rightshift */
         1,                     /* rightshift */
         1,                     /* size (0 = byte, 1 = short, 2 = long) */
         1,                     /* size (0 = byte, 1 = short, 2 = long) */
         10,                    /* bitsize */
         10,                    /* bitsize */
         TRUE,                  /* pc_relative */
         TRUE,                  /* pc_relative */
         0,                      /* bitpos */
         0,                      /* bitpos */
         complain_overflow_bitfield,/* complain_on_overflow */
         complain_overflow_bitfield,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         bfd_elf_generic_reloc, /* special_function */
         "R_MSP430_13_PCREL",   /* name */
         "R_MSP430_13_PCREL",   /* name */
         FALSE,                 /* partial_inplace */
         FALSE,                 /* partial_inplace */
         0xfff,                 /* src_mask */
         0xfff,                 /* src_mask */
         0xfff,                 /* dst_mask */
         0xfff,                 /* dst_mask */
         TRUE),                 /* pcrel_offset */
         TRUE),                 /* pcrel_offset */
 
 
  /* A 16 bit absolute relocation.  */
  /* A 16 bit absolute relocation.  */
  HOWTO (R_MSP430_16,           /* type */
  HOWTO (R_MSP430_16,           /* type */
         0,                      /* rightshift */
         0,                      /* rightshift */
         1,                     /* size (0 = byte, 1 = short, 2 = long) */
         1,                     /* size (0 = byte, 1 = short, 2 = long) */
         16,                    /* bitsize */
         16,                    /* bitsize */
         FALSE,                 /* pc_relative */
         FALSE,                 /* pc_relative */
         0,                      /* bitpos */
         0,                      /* bitpos */
         complain_overflow_dont,/* complain_on_overflow */
         complain_overflow_dont,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         bfd_elf_generic_reloc, /* special_function */
         "R_MSP430_16",         /* name */
         "R_MSP430_16",         /* name */
         FALSE,                 /* partial_inplace */
         FALSE,                 /* partial_inplace */
         0,                      /* src_mask */
         0,                      /* src_mask */
         0xffff,                /* dst_mask */
         0xffff,                /* dst_mask */
         FALSE),                /* pcrel_offset */
         FALSE),                /* pcrel_offset */
 
 
  /* A 16 bit absolute relocation for command address.  */
  /* A 16 bit absolute relocation for command address.  */
  HOWTO (R_MSP430_16_PCREL,     /* type */
  HOWTO (R_MSP430_16_PCREL,     /* type */
         1,                     /* rightshift */
         1,                     /* rightshift */
         1,                     /* size (0 = byte, 1 = short, 2 = long) */
         1,                     /* size (0 = byte, 1 = short, 2 = long) */
         16,                    /* bitsize */
         16,                    /* bitsize */
         TRUE,                  /* pc_relative */
         TRUE,                  /* pc_relative */
         0,                      /* bitpos */
         0,                      /* bitpos */
         complain_overflow_dont,/* complain_on_overflow */
         complain_overflow_dont,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         bfd_elf_generic_reloc, /* special_function */
         "R_MSP430_16_PCREL",   /* name */
         "R_MSP430_16_PCREL",   /* name */
         FALSE,                 /* partial_inplace */
         FALSE,                 /* partial_inplace */
         0,                      /* src_mask */
         0,                      /* src_mask */
         0xffff,                /* dst_mask */
         0xffff,                /* dst_mask */
         TRUE),                 /* pcrel_offset */
         TRUE),                 /* pcrel_offset */
 
 
  /* A 16 bit absolute relocation, byte operations.  */
  /* A 16 bit absolute relocation, byte operations.  */
  HOWTO (R_MSP430_16_BYTE,      /* type */
  HOWTO (R_MSP430_16_BYTE,      /* type */
         0,                      /* rightshift */
         0,                      /* rightshift */
         1,                     /* size (0 = byte, 1 = short, 2 = long) */
         1,                     /* size (0 = byte, 1 = short, 2 = long) */
         16,                    /* bitsize */
         16,                    /* bitsize */
         FALSE,                 /* pc_relative */
         FALSE,                 /* pc_relative */
         0,                      /* bitpos */
         0,                      /* bitpos */
         complain_overflow_dont,/* complain_on_overflow */
         complain_overflow_dont,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         bfd_elf_generic_reloc, /* special_function */
         "R_MSP430_16_BYTE",    /* name */
         "R_MSP430_16_BYTE",    /* name */
         FALSE,                 /* partial_inplace */
         FALSE,                 /* partial_inplace */
         0xffff,                /* src_mask */
         0xffff,                /* src_mask */
         0xffff,                /* dst_mask */
         0xffff,                /* dst_mask */
         FALSE),                /* pcrel_offset */
         FALSE),                /* pcrel_offset */
 
 
  /* A 16 bit absolute relocation for command address.  */
  /* A 16 bit absolute relocation for command address.  */
  HOWTO (R_MSP430_16_PCREL_BYTE,/* type */
  HOWTO (R_MSP430_16_PCREL_BYTE,/* type */
         1,                     /* rightshift */
         1,                     /* rightshift */
         1,                     /* size (0 = byte, 1 = short, 2 = long) */
         1,                     /* size (0 = byte, 1 = short, 2 = long) */
         16,                    /* bitsize */
         16,                    /* bitsize */
         TRUE,                  /* pc_relative */
         TRUE,                  /* pc_relative */
         0,                      /* bitpos */
         0,                      /* bitpos */
         complain_overflow_dont,/* complain_on_overflow */
         complain_overflow_dont,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         bfd_elf_generic_reloc, /* special_function */
         "R_MSP430_16_PCREL_BYTE",/* name */
         "R_MSP430_16_PCREL_BYTE",/* name */
         FALSE,                 /* partial_inplace */
         FALSE,                 /* partial_inplace */
         0xffff,                /* src_mask */
         0xffff,                /* src_mask */
         0xffff,                /* dst_mask */
         0xffff,                /* dst_mask */
         TRUE),                 /* pcrel_offset */
         TRUE),                 /* pcrel_offset */
 
 
  /* A 13 bit PC relative relocation for complicated polymorphs.  */
  /* A 13 bit PC relative relocation for complicated polymorphs.  */
  HOWTO (R_MSP430_2X_PCREL,     /* type */
  HOWTO (R_MSP430_2X_PCREL,     /* type */
         1,                     /* rightshift */
         1,                     /* rightshift */
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
         10,                    /* bitsize */
         10,                    /* bitsize */
         TRUE,                  /* pc_relative */
         TRUE,                  /* pc_relative */
         0,                      /* bitpos */
         0,                      /* bitpos */
         complain_overflow_bitfield,/* complain_on_overflow */
         complain_overflow_bitfield,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         bfd_elf_generic_reloc, /* special_function */
         "R_MSP430_2X_PCREL",   /* name */
         "R_MSP430_2X_PCREL",   /* name */
         FALSE,                 /* partial_inplace */
         FALSE,                 /* partial_inplace */
         0xfff,                 /* src_mask */
         0xfff,                 /* src_mask */
         0xfff,                 /* dst_mask */
         0xfff,                 /* dst_mask */
         TRUE),                 /* pcrel_offset */
         TRUE),                 /* pcrel_offset */
 
 
  /* A 16 bit relaxable relocation for command address.  */
  /* A 16 bit relaxable relocation for command address.  */
  HOWTO (R_MSP430_RL_PCREL,     /* type */
  HOWTO (R_MSP430_RL_PCREL,     /* type */
         1,                     /* rightshift */
         1,                     /* rightshift */
         1,                     /* size (0 = byte, 1 = short, 2 = long) */
         1,                     /* size (0 = byte, 1 = short, 2 = long) */
         16,                    /* bitsize */
         16,                    /* bitsize */
         TRUE,                  /* pc_relative */
         TRUE,                  /* pc_relative */
         0,                      /* bitpos */
         0,                      /* bitpos */
         complain_overflow_dont,/* complain_on_overflow */
         complain_overflow_dont,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         bfd_elf_generic_reloc, /* special_function */
         "R_MSP430_RL_PCREL",   /* name */
         "R_MSP430_RL_PCREL",   /* name */
         FALSE,                 /* partial_inplace */
         FALSE,                 /* partial_inplace */
         0,                      /* src_mask */
         0,                      /* src_mask */
         0xffff,                /* dst_mask */
         0xffff,                /* dst_mask */
         TRUE)                  /* pcrel_offset */
         TRUE)                  /* pcrel_offset */
};
};
 
 
/* Map BFD reloc types to MSP430 ELF reloc types.  */
/* Map BFD reloc types to MSP430 ELF reloc types.  */
 
 
struct msp430_reloc_map
struct msp430_reloc_map
{
{
  bfd_reloc_code_real_type bfd_reloc_val;
  bfd_reloc_code_real_type bfd_reloc_val;
  unsigned int elf_reloc_val;
  unsigned int elf_reloc_val;
};
};
 
 
static const struct msp430_reloc_map msp430_reloc_map[] =
static const struct msp430_reloc_map msp430_reloc_map[] =
  {
  {
    {BFD_RELOC_NONE,                 R_MSP430_NONE},
    {BFD_RELOC_NONE,                 R_MSP430_NONE},
    {BFD_RELOC_32,                   R_MSP430_32},
    {BFD_RELOC_32,                   R_MSP430_32},
    {BFD_RELOC_MSP430_10_PCREL,      R_MSP430_10_PCREL},
    {BFD_RELOC_MSP430_10_PCREL,      R_MSP430_10_PCREL},
    {BFD_RELOC_16,                   R_MSP430_16_BYTE},
    {BFD_RELOC_16,                   R_MSP430_16_BYTE},
    {BFD_RELOC_MSP430_16_PCREL,      R_MSP430_16_PCREL},
    {BFD_RELOC_MSP430_16_PCREL,      R_MSP430_16_PCREL},
    {BFD_RELOC_MSP430_16,            R_MSP430_16},
    {BFD_RELOC_MSP430_16,            R_MSP430_16},
    {BFD_RELOC_MSP430_16_PCREL_BYTE, R_MSP430_16_PCREL_BYTE},
    {BFD_RELOC_MSP430_16_PCREL_BYTE, R_MSP430_16_PCREL_BYTE},
    {BFD_RELOC_MSP430_16_BYTE,       R_MSP430_16_BYTE},
    {BFD_RELOC_MSP430_16_BYTE,       R_MSP430_16_BYTE},
    {BFD_RELOC_MSP430_2X_PCREL,      R_MSP430_2X_PCREL},
    {BFD_RELOC_MSP430_2X_PCREL,      R_MSP430_2X_PCREL},
    {BFD_RELOC_MSP430_RL_PCREL,      R_MSP430_RL_PCREL}
    {BFD_RELOC_MSP430_RL_PCREL,      R_MSP430_RL_PCREL}
  };
  };
 
 
static reloc_howto_type *
static reloc_howto_type *
bfd_elf32_bfd_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED,
bfd_elf32_bfd_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED,
                                 bfd_reloc_code_real_type code)
                                 bfd_reloc_code_real_type code)
{
{
  unsigned int i;
  unsigned int i;
 
 
  for (i = 0; i < ARRAY_SIZE (msp430_reloc_map); i++)
  for (i = 0; i < ARRAY_SIZE (msp430_reloc_map); i++)
    if (msp430_reloc_map[i].bfd_reloc_val == code)
    if (msp430_reloc_map[i].bfd_reloc_val == code)
      return &elf_msp430_howto_table[msp430_reloc_map[i].elf_reloc_val];
      return &elf_msp430_howto_table[msp430_reloc_map[i].elf_reloc_val];
 
 
  return NULL;
  return NULL;
}
}
 
 
static reloc_howto_type *
static reloc_howto_type *
bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
                                 const char *r_name)
                                 const char *r_name)
{
{
  unsigned int i;
  unsigned int i;
 
 
  for (i = 0;
  for (i = 0;
       i < (sizeof (elf_msp430_howto_table)
       i < (sizeof (elf_msp430_howto_table)
            / sizeof (elf_msp430_howto_table[0]));
            / sizeof (elf_msp430_howto_table[0]));
       i++)
       i++)
    if (elf_msp430_howto_table[i].name != NULL
    if (elf_msp430_howto_table[i].name != NULL
        && strcasecmp (elf_msp430_howto_table[i].name, r_name) == 0)
        && strcasecmp (elf_msp430_howto_table[i].name, r_name) == 0)
      return &elf_msp430_howto_table[i];
      return &elf_msp430_howto_table[i];
 
 
  return NULL;
  return NULL;
}
}
 
 
/* Set the howto pointer for an MSP430 ELF reloc.  */
/* Set the howto pointer for an MSP430 ELF reloc.  */
 
 
static void
static void
msp430_info_to_howto_rela (bfd * abfd ATTRIBUTE_UNUSED,
msp430_info_to_howto_rela (bfd * abfd ATTRIBUTE_UNUSED,
                           arelent * cache_ptr,
                           arelent * cache_ptr,
                           Elf_Internal_Rela * dst)
                           Elf_Internal_Rela * dst)
{
{
  unsigned int r_type;
  unsigned int r_type;
 
 
  r_type = ELF32_R_TYPE (dst->r_info);
  r_type = ELF32_R_TYPE (dst->r_info);
  BFD_ASSERT (r_type < (unsigned int) R_MSP430_max);
  BFD_ASSERT (r_type < (unsigned int) R_MSP430_max);
  cache_ptr->howto = &elf_msp430_howto_table[r_type];
  cache_ptr->howto = &elf_msp430_howto_table[r_type];
}
}
 
 
/* Look through the relocs for a section during the first phase.
/* Look through the relocs for a section during the first phase.
   Since we don't do .gots or .plts, we just need to consider the
   Since we don't do .gots or .plts, we just need to consider the
   virtual table relocs for gc.  */
   virtual table relocs for gc.  */
 
 
static bfd_boolean
static bfd_boolean
elf32_msp430_check_relocs (bfd * abfd, struct bfd_link_info * info,
elf32_msp430_check_relocs (bfd * abfd, struct bfd_link_info * info,
                           asection * sec, const Elf_Internal_Rela * relocs)
                           asection * sec, const Elf_Internal_Rela * relocs)
{
{
  Elf_Internal_Shdr *symtab_hdr;
  Elf_Internal_Shdr *symtab_hdr;
  struct elf_link_hash_entry **sym_hashes;
  struct elf_link_hash_entry **sym_hashes;
  const Elf_Internal_Rela *rel;
  const Elf_Internal_Rela *rel;
  const Elf_Internal_Rela *rel_end;
  const Elf_Internal_Rela *rel_end;
 
 
  if (info->relocatable)
  if (info->relocatable)
    return TRUE;
    return TRUE;
 
 
  symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
  symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
  sym_hashes = elf_sym_hashes (abfd);
  sym_hashes = elf_sym_hashes (abfd);
 
 
  rel_end = relocs + sec->reloc_count;
  rel_end = relocs + sec->reloc_count;
  for (rel = relocs; rel < rel_end; rel++)
  for (rel = relocs; rel < rel_end; rel++)
    {
    {
      struct elf_link_hash_entry *h;
      struct elf_link_hash_entry *h;
      unsigned long r_symndx;
      unsigned long r_symndx;
 
 
      r_symndx = ELF32_R_SYM (rel->r_info);
      r_symndx = ELF32_R_SYM (rel->r_info);
      if (r_symndx < symtab_hdr->sh_info)
      if (r_symndx < symtab_hdr->sh_info)
        h = NULL;
        h = NULL;
      else
      else
        {
        {
          h = sym_hashes[r_symndx - symtab_hdr->sh_info];
          h = sym_hashes[r_symndx - symtab_hdr->sh_info];
          while (h->root.type == bfd_link_hash_indirect
          while (h->root.type == bfd_link_hash_indirect
                 || h->root.type == bfd_link_hash_warning)
                 || h->root.type == bfd_link_hash_warning)
            h = (struct elf_link_hash_entry *) h->root.u.i.link;
            h = (struct elf_link_hash_entry *) h->root.u.i.link;
        }
        }
    }
    }
 
 
  return TRUE;
  return TRUE;
}
}
 
 
/* Perform a single relocation.  By default we use the standard BFD
/* Perform a single relocation.  By default we use the standard BFD
   routines, but a few relocs, we have to do them ourselves.  */
   routines, but a few relocs, we have to do them ourselves.  */
 
 
static bfd_reloc_status_type
static bfd_reloc_status_type
msp430_final_link_relocate (reloc_howto_type * howto, bfd * input_bfd,
msp430_final_link_relocate (reloc_howto_type * howto, bfd * input_bfd,
                            asection * input_section, bfd_byte * contents,
                            asection * input_section, bfd_byte * contents,
                            Elf_Internal_Rela * rel, bfd_vma relocation)
                            Elf_Internal_Rela * rel, bfd_vma relocation)
{
{
  bfd_reloc_status_type r = bfd_reloc_ok;
  bfd_reloc_status_type r = bfd_reloc_ok;
  bfd_vma x;
  bfd_vma x;
  bfd_signed_vma srel;
  bfd_signed_vma srel;
 
 
  switch (howto->type)
  switch (howto->type)
    {
    {
    case R_MSP430_10_PCREL:
    case R_MSP430_10_PCREL:
      contents += rel->r_offset;
      contents += rel->r_offset;
      srel = (bfd_signed_vma) relocation;
      srel = (bfd_signed_vma) relocation;
      srel += rel->r_addend;
      srel += rel->r_addend;
      srel -= rel->r_offset;
      srel -= rel->r_offset;
      srel -= 2;                /* Branch instructions add 2 to the PC...  */
      srel -= 2;                /* Branch instructions add 2 to the PC...  */
      srel -= (input_section->output_section->vma +
      srel -= (input_section->output_section->vma +
               input_section->output_offset);
               input_section->output_offset);
 
 
      if (srel & 1)
      if (srel & 1)
        return bfd_reloc_outofrange;
        return bfd_reloc_outofrange;
 
 
      /* MSP430 addresses commands as words.  */
      /* MSP430 addresses commands as words.  */
      srel >>= 1;
      srel >>= 1;
 
 
      /* Check for an overflow.  */
      /* Check for an overflow.  */
      if (srel < -512 || srel > 511)
      if (srel < -512 || srel > 511)
        return bfd_reloc_overflow;
        return bfd_reloc_overflow;
 
 
      x = bfd_get_16 (input_bfd, contents);
      x = bfd_get_16 (input_bfd, contents);
      x = (x & 0xfc00) | (srel & 0x3ff);
      x = (x & 0xfc00) | (srel & 0x3ff);
      bfd_put_16 (input_bfd, x, contents);
      bfd_put_16 (input_bfd, x, contents);
      break;
      break;
 
 
    case R_MSP430_2X_PCREL:
    case R_MSP430_2X_PCREL:
      contents += rel->r_offset;
      contents += rel->r_offset;
      srel = (bfd_signed_vma) relocation;
      srel = (bfd_signed_vma) relocation;
      srel += rel->r_addend;
      srel += rel->r_addend;
      srel -= rel->r_offset;
      srel -= rel->r_offset;
      srel -= 2;                /* Branch instructions add 2 to the PC...  */
      srel -= 2;                /* Branch instructions add 2 to the PC...  */
      srel -= (input_section->output_section->vma +
      srel -= (input_section->output_section->vma +
               input_section->output_offset);
               input_section->output_offset);
 
 
      if (srel & 1)
      if (srel & 1)
        return bfd_reloc_outofrange;
        return bfd_reloc_outofrange;
 
 
      /* MSP430 addresses commands as words.  */
      /* MSP430 addresses commands as words.  */
      srel >>= 1;
      srel >>= 1;
 
 
      /* Check for an overflow.  */
      /* Check for an overflow.  */
      if (srel < -512 || srel > 511)
      if (srel < -512 || srel > 511)
        return bfd_reloc_overflow;
        return bfd_reloc_overflow;
 
 
      x = bfd_get_16 (input_bfd, contents);
      x = bfd_get_16 (input_bfd, contents);
      x = (x & 0xfc00) | (srel & 0x3ff);
      x = (x & 0xfc00) | (srel & 0x3ff);
      bfd_put_16 (input_bfd, x, contents);
      bfd_put_16 (input_bfd, x, contents);
      /* Handle second jump instruction.  */
      /* Handle second jump instruction.  */
      x = bfd_get_16 (input_bfd, contents - 2);
      x = bfd_get_16 (input_bfd, contents - 2);
      srel += 1;
      srel += 1;
      x = (x & 0xfc00) | (srel & 0x3ff);
      x = (x & 0xfc00) | (srel & 0x3ff);
      bfd_put_16 (input_bfd, x, contents - 2);
      bfd_put_16 (input_bfd, x, contents - 2);
      break;
      break;
 
 
    case R_MSP430_16_PCREL:
    case R_MSP430_16_PCREL:
    case R_MSP430_RL_PCREL:
    case R_MSP430_RL_PCREL:
      contents += rel->r_offset;
      contents += rel->r_offset;
      srel = (bfd_signed_vma) relocation;
      srel = (bfd_signed_vma) relocation;
      srel += rel->r_addend;
      srel += rel->r_addend;
      srel -= rel->r_offset;
      srel -= rel->r_offset;
      /* Only branch instructions add 2 to the PC...  */
      /* Only branch instructions add 2 to the PC...  */
      srel -= (input_section->output_section->vma +
      srel -= (input_section->output_section->vma +
               input_section->output_offset);
               input_section->output_offset);
 
 
      if (srel & 1)
      if (srel & 1)
        return bfd_reloc_outofrange;
        return bfd_reloc_outofrange;
 
 
      bfd_put_16 (input_bfd, srel & 0xffff, contents);
      bfd_put_16 (input_bfd, srel & 0xffff, contents);
      break;
      break;
 
 
    case R_MSP430_16_PCREL_BYTE:
    case R_MSP430_16_PCREL_BYTE:
      contents += rel->r_offset;
      contents += rel->r_offset;
      srel = (bfd_signed_vma) relocation;
      srel = (bfd_signed_vma) relocation;
      srel += rel->r_addend;
      srel += rel->r_addend;
      srel -= rel->r_offset;
      srel -= rel->r_offset;
      /* Only branch instructions add 2 to the PC...  */
      /* Only branch instructions add 2 to the PC...  */
      srel -= (input_section->output_section->vma +
      srel -= (input_section->output_section->vma +
               input_section->output_offset);
               input_section->output_offset);
 
 
      bfd_put_16 (input_bfd, srel & 0xffff, contents);
      bfd_put_16 (input_bfd, srel & 0xffff, contents);
      break;
      break;
 
 
    case R_MSP430_16_BYTE:
    case R_MSP430_16_BYTE:
      contents += rel->r_offset;
      contents += rel->r_offset;
      srel = (bfd_signed_vma) relocation;
      srel = (bfd_signed_vma) relocation;
      srel += rel->r_addend;
      srel += rel->r_addend;
      bfd_put_16 (input_bfd, srel & 0xffff, contents);
      bfd_put_16 (input_bfd, srel & 0xffff, contents);
      break;
      break;
 
 
    case R_MSP430_16:
    case R_MSP430_16:
      contents += rel->r_offset;
      contents += rel->r_offset;
      srel = (bfd_signed_vma) relocation;
      srel = (bfd_signed_vma) relocation;
      srel += rel->r_addend;
      srel += rel->r_addend;
 
 
      if (srel & 1)
      if (srel & 1)
        return bfd_reloc_notsupported;
        return bfd_reloc_notsupported;
 
 
      bfd_put_16 (input_bfd, srel & 0xffff, contents);
      bfd_put_16 (input_bfd, srel & 0xffff, contents);
      break;
      break;
 
 
    default:
    default:
      r = _bfd_final_link_relocate (howto, input_bfd, input_section,
      r = _bfd_final_link_relocate (howto, input_bfd, input_section,
                                    contents, rel->r_offset,
                                    contents, rel->r_offset,
                                    relocation, rel->r_addend);
                                    relocation, rel->r_addend);
    }
    }
 
 
  return r;
  return r;
}
}
 
 
/* Relocate an MSP430 ELF section.  */
/* Relocate an MSP430 ELF section.  */
 
 
static bfd_boolean
static bfd_boolean
elf32_msp430_relocate_section (bfd * output_bfd ATTRIBUTE_UNUSED,
elf32_msp430_relocate_section (bfd * output_bfd ATTRIBUTE_UNUSED,
                               struct bfd_link_info * info,
                               struct bfd_link_info * info,
                               bfd * input_bfd,
                               bfd * input_bfd,
                               asection * input_section,
                               asection * input_section,
                               bfd_byte * contents,
                               bfd_byte * contents,
                               Elf_Internal_Rela * relocs,
                               Elf_Internal_Rela * relocs,
                               Elf_Internal_Sym * local_syms,
                               Elf_Internal_Sym * local_syms,
                               asection ** local_sections)
                               asection ** local_sections)
{
{
  Elf_Internal_Shdr *symtab_hdr;
  Elf_Internal_Shdr *symtab_hdr;
  struct elf_link_hash_entry **sym_hashes;
  struct elf_link_hash_entry **sym_hashes;
  Elf_Internal_Rela *rel;
  Elf_Internal_Rela *rel;
  Elf_Internal_Rela *relend;
  Elf_Internal_Rela *relend;
 
 
  symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
  symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
  sym_hashes = elf_sym_hashes (input_bfd);
  sym_hashes = elf_sym_hashes (input_bfd);
  relend = relocs + input_section->reloc_count;
  relend = relocs + input_section->reloc_count;
 
 
  for (rel = relocs; rel < relend; rel++)
  for (rel = relocs; rel < relend; rel++)
    {
    {
      reloc_howto_type *howto;
      reloc_howto_type *howto;
      unsigned long r_symndx;
      unsigned long r_symndx;
      Elf_Internal_Sym *sym;
      Elf_Internal_Sym *sym;
      asection *sec;
      asection *sec;
      struct elf_link_hash_entry *h;
      struct elf_link_hash_entry *h;
      bfd_vma relocation;
      bfd_vma relocation;
      bfd_reloc_status_type r;
      bfd_reloc_status_type r;
      const char *name = NULL;
      const char *name = NULL;
      int r_type;
      int r_type;
 
 
      r_type = ELF32_R_TYPE (rel->r_info);
      r_type = ELF32_R_TYPE (rel->r_info);
      r_symndx = ELF32_R_SYM (rel->r_info);
      r_symndx = ELF32_R_SYM (rel->r_info);
      howto = elf_msp430_howto_table + ELF32_R_TYPE (rel->r_info);
      howto = elf_msp430_howto_table + ELF32_R_TYPE (rel->r_info);
      h = NULL;
      h = NULL;
      sym = NULL;
      sym = NULL;
      sec = NULL;
      sec = NULL;
 
 
      if (r_symndx < symtab_hdr->sh_info)
      if (r_symndx < symtab_hdr->sh_info)
        {
        {
          sym = local_syms + r_symndx;
          sym = local_syms + r_symndx;
          sec = local_sections[r_symndx];
          sec = local_sections[r_symndx];
          relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
          relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
 
 
          name = bfd_elf_string_from_elf_section
          name = bfd_elf_string_from_elf_section
              (input_bfd, symtab_hdr->sh_link, sym->st_name);
              (input_bfd, symtab_hdr->sh_link, sym->st_name);
          name = (name == NULL) ? bfd_section_name (input_bfd, sec) : name;
          name = (name == NULL) ? bfd_section_name (input_bfd, sec) : name;
        }
        }
      else
      else
        {
        {
          bfd_boolean unresolved_reloc, warned;
          bfd_boolean unresolved_reloc, warned;
 
 
          RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
          RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
                                   r_symndx, symtab_hdr, sym_hashes,
                                   r_symndx, symtab_hdr, sym_hashes,
                                   h, sec, relocation,
                                   h, sec, relocation,
                                   unresolved_reloc, warned);
                                   unresolved_reloc, warned);
        }
        }
 
 
      if (sec != NULL && elf_discarded_section (sec))
      if (sec != NULL && elf_discarded_section (sec))
        {
        {
          /* For relocs against symbols from removed linkonce sections,
          /* For relocs against symbols from removed linkonce sections,
             or sections discarded by a linker script, we just want the
             or sections discarded by a linker script, we just want the
             section contents zeroed.  Avoid any special processing.  */
             section contents zeroed.  Avoid any special processing.  */
          _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
          _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
          rel->r_info = 0;
          rel->r_info = 0;
          rel->r_addend = 0;
          rel->r_addend = 0;
          continue;
          continue;
        }
        }
 
 
      if (info->relocatable)
      if (info->relocatable)
        continue;
        continue;
 
 
      r = msp430_final_link_relocate (howto, input_bfd, input_section,
      r = msp430_final_link_relocate (howto, input_bfd, input_section,
                                      contents, rel, relocation);
                                      contents, rel, relocation);
 
 
      if (r != bfd_reloc_ok)
      if (r != bfd_reloc_ok)
        {
        {
          const char *msg = (const char *) NULL;
          const char *msg = (const char *) NULL;
 
 
          switch (r)
          switch (r)
            {
            {
            case bfd_reloc_overflow:
            case bfd_reloc_overflow:
              r = info->callbacks->reloc_overflow
              r = info->callbacks->reloc_overflow
                  (info, (h ? &h->root : NULL), name, howto->name,
                  (info, (h ? &h->root : NULL), name, howto->name,
                   (bfd_vma) 0, input_bfd, input_section,
                   (bfd_vma) 0, input_bfd, input_section,
                   rel->r_offset);
                   rel->r_offset);
              break;
              break;
 
 
            case bfd_reloc_undefined:
            case bfd_reloc_undefined:
              r = info->callbacks->undefined_symbol
              r = info->callbacks->undefined_symbol
                  (info, name, input_bfd, input_section, rel->r_offset, TRUE);
                  (info, name, input_bfd, input_section, rel->r_offset, TRUE);
              break;
              break;
 
 
            case bfd_reloc_outofrange:
            case bfd_reloc_outofrange:
              msg = _("internal error: out of range error");
              msg = _("internal error: out of range error");
              break;
              break;
 
 
            case bfd_reloc_notsupported:
            case bfd_reloc_notsupported:
              msg = _("internal error: unsupported relocation error");
              msg = _("internal error: unsupported relocation error");
              break;
              break;
 
 
            case bfd_reloc_dangerous:
            case bfd_reloc_dangerous:
              msg = _("internal error: dangerous relocation");
              msg = _("internal error: dangerous relocation");
              break;
              break;
 
 
            default:
            default:
              msg = _("internal error: unknown error");
              msg = _("internal error: unknown error");
              break;
              break;
            }
            }
 
 
          if (msg)
          if (msg)
            r = info->callbacks->warning
            r = info->callbacks->warning
                (info, msg, name, input_bfd, input_section, rel->r_offset);
                (info, msg, name, input_bfd, input_section, rel->r_offset);
 
 
          if (!r)
          if (!r)
            return FALSE;
            return FALSE;
        }
        }
 
 
    }
    }
 
 
  return TRUE;
  return TRUE;
}
}
 
 
/* The final processing done just before writing out a MSP430 ELF object
/* The final processing done just before writing out a MSP430 ELF object
   file.  This gets the MSP430 architecture right based on the machine
   file.  This gets the MSP430 architecture right based on the machine
   number.  */
   number.  */
 
 
static void
static void
bfd_elf_msp430_final_write_processing (bfd * abfd,
bfd_elf_msp430_final_write_processing (bfd * abfd,
                                       bfd_boolean linker ATTRIBUTE_UNUSED)
                                       bfd_boolean linker ATTRIBUTE_UNUSED)
{
{
  unsigned long val;
  unsigned long val;
 
 
  switch (bfd_get_mach (abfd))
  switch (bfd_get_mach (abfd))
    {
    {
    default:
    default:
    case bfd_mach_msp110:
    case bfd_mach_msp110:
      val = E_MSP430_MACH_MSP430x11x1;
      val = E_MSP430_MACH_MSP430x11x1;
      break;
      break;
 
 
    case bfd_mach_msp11:
    case bfd_mach_msp11:
      val = E_MSP430_MACH_MSP430x11;
      val = E_MSP430_MACH_MSP430x11;
      break;
      break;
 
 
    case bfd_mach_msp12:
    case bfd_mach_msp12:
      val = E_MSP430_MACH_MSP430x12;
      val = E_MSP430_MACH_MSP430x12;
      break;
      break;
 
 
    case bfd_mach_msp13:
    case bfd_mach_msp13:
      val = E_MSP430_MACH_MSP430x13;
      val = E_MSP430_MACH_MSP430x13;
      break;
      break;
 
 
    case bfd_mach_msp14:
    case bfd_mach_msp14:
      val = E_MSP430_MACH_MSP430x14;
      val = E_MSP430_MACH_MSP430x14;
      break;
      break;
 
 
    case bfd_mach_msp15:
    case bfd_mach_msp15:
      val = E_MSP430_MACH_MSP430x15;
      val = E_MSP430_MACH_MSP430x15;
      break;
      break;
 
 
    case bfd_mach_msp16:
    case bfd_mach_msp16:
      val = E_MSP430_MACH_MSP430x16;
      val = E_MSP430_MACH_MSP430x16;
      break;
      break;
 
 
    case bfd_mach_msp31:
    case bfd_mach_msp31:
      val = E_MSP430_MACH_MSP430x31;
      val = E_MSP430_MACH_MSP430x31;
      break;
      break;
 
 
    case bfd_mach_msp32:
    case bfd_mach_msp32:
      val = E_MSP430_MACH_MSP430x32;
      val = E_MSP430_MACH_MSP430x32;
      break;
      break;
 
 
    case bfd_mach_msp33:
    case bfd_mach_msp33:
      val = E_MSP430_MACH_MSP430x33;
      val = E_MSP430_MACH_MSP430x33;
      break;
      break;
 
 
    case bfd_mach_msp41:
    case bfd_mach_msp41:
      val = E_MSP430_MACH_MSP430x41;
      val = E_MSP430_MACH_MSP430x41;
      break;
      break;
 
 
    case bfd_mach_msp42:
    case bfd_mach_msp42:
      val = E_MSP430_MACH_MSP430x42;
      val = E_MSP430_MACH_MSP430x42;
      break;
      break;
 
 
    case bfd_mach_msp43:
    case bfd_mach_msp43:
      val = E_MSP430_MACH_MSP430x43;
      val = E_MSP430_MACH_MSP430x43;
      break;
      break;
 
 
    case bfd_mach_msp44:
    case bfd_mach_msp44:
      val = E_MSP430_MACH_MSP430x44;
      val = E_MSP430_MACH_MSP430x44;
      break;
      break;
    }
    }
 
 
  elf_elfheader (abfd)->e_machine = EM_MSP430;
  elf_elfheader (abfd)->e_machine = EM_MSP430;
  elf_elfheader (abfd)->e_flags &= ~EF_MSP430_MACH;
  elf_elfheader (abfd)->e_flags &= ~EF_MSP430_MACH;
  elf_elfheader (abfd)->e_flags |= val;
  elf_elfheader (abfd)->e_flags |= val;
}
}
 
 
/* Set the right machine number.  */
/* Set the right machine number.  */
 
 
static bfd_boolean
static bfd_boolean
elf32_msp430_object_p (bfd * abfd)
elf32_msp430_object_p (bfd * abfd)
{
{
  int e_set = bfd_mach_msp14;
  int e_set = bfd_mach_msp14;
 
 
  if (elf_elfheader (abfd)->e_machine == EM_MSP430
  if (elf_elfheader (abfd)->e_machine == EM_MSP430
      || elf_elfheader (abfd)->e_machine == EM_MSP430_OLD)
      || elf_elfheader (abfd)->e_machine == EM_MSP430_OLD)
    {
    {
      int e_mach = elf_elfheader (abfd)->e_flags & EF_MSP430_MACH;
      int e_mach = elf_elfheader (abfd)->e_flags & EF_MSP430_MACH;
 
 
      switch (e_mach)
      switch (e_mach)
        {
        {
        default:
        default:
        case E_MSP430_MACH_MSP430x11:
        case E_MSP430_MACH_MSP430x11:
          e_set = bfd_mach_msp11;
          e_set = bfd_mach_msp11;
          break;
          break;
 
 
        case E_MSP430_MACH_MSP430x11x1:
        case E_MSP430_MACH_MSP430x11x1:
          e_set = bfd_mach_msp110;
          e_set = bfd_mach_msp110;
          break;
          break;
 
 
        case E_MSP430_MACH_MSP430x12:
        case E_MSP430_MACH_MSP430x12:
          e_set = bfd_mach_msp12;
          e_set = bfd_mach_msp12;
          break;
          break;
 
 
        case E_MSP430_MACH_MSP430x13:
        case E_MSP430_MACH_MSP430x13:
          e_set = bfd_mach_msp13;
          e_set = bfd_mach_msp13;
          break;
          break;
 
 
        case E_MSP430_MACH_MSP430x14:
        case E_MSP430_MACH_MSP430x14:
          e_set = bfd_mach_msp14;
          e_set = bfd_mach_msp14;
          break;
          break;
 
 
        case E_MSP430_MACH_MSP430x15:
        case E_MSP430_MACH_MSP430x15:
          e_set = bfd_mach_msp15;
          e_set = bfd_mach_msp15;
          break;
          break;
 
 
        case E_MSP430_MACH_MSP430x16:
        case E_MSP430_MACH_MSP430x16:
          e_set = bfd_mach_msp16;
          e_set = bfd_mach_msp16;
          break;
          break;
 
 
        case E_MSP430_MACH_MSP430x31:
        case E_MSP430_MACH_MSP430x31:
          e_set = bfd_mach_msp31;
          e_set = bfd_mach_msp31;
          break;
          break;
 
 
        case E_MSP430_MACH_MSP430x32:
        case E_MSP430_MACH_MSP430x32:
          e_set = bfd_mach_msp32;
          e_set = bfd_mach_msp32;
          break;
          break;
 
 
        case E_MSP430_MACH_MSP430x33:
        case E_MSP430_MACH_MSP430x33:
          e_set = bfd_mach_msp33;
          e_set = bfd_mach_msp33;
          break;
          break;
 
 
        case E_MSP430_MACH_MSP430x41:
        case E_MSP430_MACH_MSP430x41:
          e_set = bfd_mach_msp41;
          e_set = bfd_mach_msp41;
          break;
          break;
 
 
        case E_MSP430_MACH_MSP430x42:
        case E_MSP430_MACH_MSP430x42:
          e_set = bfd_mach_msp42;
          e_set = bfd_mach_msp42;
          break;
          break;
 
 
        case E_MSP430_MACH_MSP430x43:
        case E_MSP430_MACH_MSP430x43:
          e_set = bfd_mach_msp43;
          e_set = bfd_mach_msp43;
          break;
          break;
 
 
        case E_MSP430_MACH_MSP430x44:
        case E_MSP430_MACH_MSP430x44:
          e_set = bfd_mach_msp44;
          e_set = bfd_mach_msp44;
          break;
          break;
        }
        }
    }
    }
 
 
  return bfd_default_set_arch_mach (abfd, bfd_arch_msp430, e_set);
  return bfd_default_set_arch_mach (abfd, bfd_arch_msp430, e_set);
}
}
 
 
/* These functions handle relaxing for the msp430.
/* These functions handle relaxing for the msp430.
   Relaxation required only in two cases:
   Relaxation required only in two cases:
    - Bad hand coding like jumps from one section to another or
    - Bad hand coding like jumps from one section to another or
      from file to file.
      from file to file.
    - Sibling calls. This will affect onlu 'jump label' polymorph. Without
    - Sibling calls. This will affect onlu 'jump label' polymorph. Without
      relaxing this enlarges code by 2 bytes. Sibcalls implemented but
      relaxing this enlarges code by 2 bytes. Sibcalls implemented but
      do not work in gcc's port by the reason I do not know.
      do not work in gcc's port by the reason I do not know.
   Anyway, if a relaxation required, user should pass -relax option to the
   Anyway, if a relaxation required, user should pass -relax option to the
   linker.
   linker.
 
 
   There are quite a few relaxing opportunities available on the msp430:
   There are quite a few relaxing opportunities available on the msp430:
 
 
   ================================================================
   ================================================================
 
 
   1. 3 words -> 1 word
   1. 3 words -> 1 word
 
 
   eq      ==      jeq label                    jne +4; br lab
   eq      ==      jeq label                    jne +4; br lab
   ne      !=      jne label                    jeq +4; br lab
   ne      !=      jne label                    jeq +4; br lab
   lt      <       jl  label                    jge +4; br lab
   lt      <       jl  label                    jge +4; br lab
   ltu     <       jlo label                    lhs +4; br lab
   ltu     <       jlo label                    lhs +4; br lab
   ge      >=      jge label                    jl  +4; br lab
   ge      >=      jge label                    jl  +4; br lab
   geu     >=      jhs label                    jlo +4; br lab
   geu     >=      jhs label                    jlo +4; br lab
 
 
   2. 4 words -> 1 word
   2. 4 words -> 1 word
 
 
   ltn     <       jn                      jn  +2; jmp +4; br lab
   ltn     <       jn                      jn  +2; jmp +4; br lab
 
 
   3. 4 words -> 2 words
   3. 4 words -> 2 words
 
 
   gt      >       jeq +2; jge label       jeq +6; jl  +4; br label
   gt      >       jeq +2; jge label       jeq +6; jl  +4; br label
   gtu     >       jeq +2; jhs label       jeq +6; jlo +4; br label
   gtu     >       jeq +2; jhs label       jeq +6; jlo +4; br label
 
 
   4. 4 words -> 2 words and 2 labels
   4. 4 words -> 2 words and 2 labels
 
 
   leu     <=      jeq label; jlo label    jeq +2; jhs +4; br label
   leu     <=      jeq label; jlo label    jeq +2; jhs +4; br label
   le      <=      jeq label; jl  label    jeq +2; jge +4; br label
   le      <=      jeq label; jl  label    jeq +2; jge +4; br label
   =================================================================
   =================================================================
 
 
   codemap for first cases is (labels masked ):
   codemap for first cases is (labels masked ):
              eq:       0x2002,0x4010,0x0000 -> 0x2400
              eq:       0x2002,0x4010,0x0000 -> 0x2400
              ne:       0x2402,0x4010,0x0000 -> 0x2000
              ne:       0x2402,0x4010,0x0000 -> 0x2000
              lt:       0x3402,0x4010,0x0000 -> 0x3800
              lt:       0x3402,0x4010,0x0000 -> 0x3800
              ltu:      0x2c02,0x4010,0x0000 -> 0x2800
              ltu:      0x2c02,0x4010,0x0000 -> 0x2800
              ge:       0x3802,0x4010,0x0000 -> 0x3400
              ge:       0x3802,0x4010,0x0000 -> 0x3400
              geu:      0x2802,0x4010,0x0000 -> 0x2c00
              geu:      0x2802,0x4010,0x0000 -> 0x2c00
 
 
  second case:
  second case:
              ltn:      0x3001,0x3c02,0x4010,0x0000 -> 0x3000
              ltn:      0x3001,0x3c02,0x4010,0x0000 -> 0x3000
 
 
  third case:
  third case:
              gt:       0x2403,0x3802,0x4010,0x0000 -> 0x2401,0x3400
              gt:       0x2403,0x3802,0x4010,0x0000 -> 0x2401,0x3400
              gtu:      0x2403,0x2802,0x4010,0x0000 -> 0x2401,0x2c00
              gtu:      0x2403,0x2802,0x4010,0x0000 -> 0x2401,0x2c00
 
 
  fourth case:
  fourth case:
              leu:      0x2401,0x2c02,0x4010,0x0000 -> 0x2400,0x2800
              leu:      0x2401,0x2c02,0x4010,0x0000 -> 0x2400,0x2800
              le:       0x2401,0x3402,0x4010,0x0000 -> 0x2400,0x3800
              le:       0x2401,0x3402,0x4010,0x0000 -> 0x2400,0x3800
 
 
  Unspecified case :)
  Unspecified case :)
              jump:     0x4010,0x0000 -> 0x3c00.  */
              jump:     0x4010,0x0000 -> 0x3c00.  */
 
 
#define NUMB_RELAX_CODES        12
#define NUMB_RELAX_CODES        12
static struct rcodes_s
static struct rcodes_s
{
{
  int f0, f1;                   /* From code.  */
  int f0, f1;                   /* From code.  */
  int t0, t1;                   /* To code.  */
  int t0, t1;                   /* To code.  */
  int labels;                   /* Position of labels: 1 - one label at first
  int labels;                   /* Position of labels: 1 - one label at first
                                   word, 2 - one at second word, 3 - two
                                   word, 2 - one at second word, 3 - two
                                   labels at both.  */
                                   labels at both.  */
  int cdx;                      /* Words to match.  */
  int cdx;                      /* Words to match.  */
  int bs;                       /* Shrink bytes.  */
  int bs;                       /* Shrink bytes.  */
  int off;                      /* Offset from old label for new code.  */
  int off;                      /* Offset from old label for new code.  */
  int ncl;                      /* New code length.  */
  int ncl;                      /* New code length.  */
} rcode[] =
} rcode[] =
{/*                               lab,cdx,bs,off,ncl */
{/*                               lab,cdx,bs,off,ncl */
  { 0x0000, 0x0000, 0x3c00, 0x0000, 1, 0, 2, 2,   2},    /* jump */
  { 0x0000, 0x0000, 0x3c00, 0x0000, 1, 0, 2, 2,   2},    /* jump */
  { 0x0000, 0x2002, 0x2400, 0x0000, 1, 1, 4, 4,  2},    /* eq */
  { 0x0000, 0x2002, 0x2400, 0x0000, 1, 1, 4, 4,  2},    /* eq */
  { 0x0000, 0x2402, 0x2000, 0x0000, 1, 1, 4, 4,  2},    /* ne */
  { 0x0000, 0x2402, 0x2000, 0x0000, 1, 1, 4, 4,  2},    /* ne */
  { 0x0000, 0x3402, 0x3800, 0x0000, 1, 1, 4, 4,  2},    /* lt */
  { 0x0000, 0x3402, 0x3800, 0x0000, 1, 1, 4, 4,  2},    /* lt */
  { 0x0000, 0x2c02, 0x2800, 0x0000, 1, 1, 4, 4,  2},    /* ltu */
  { 0x0000, 0x2c02, 0x2800, 0x0000, 1, 1, 4, 4,  2},    /* ltu */
  { 0x0000, 0x3802, 0x3400, 0x0000, 1, 1, 4, 4,  2},    /* ge */
  { 0x0000, 0x3802, 0x3400, 0x0000, 1, 1, 4, 4,  2},    /* ge */
  { 0x0000, 0x2802, 0x2c00, 0x0000, 1, 1, 4, 4,  2},    /* geu */
  { 0x0000, 0x2802, 0x2c00, 0x0000, 1, 1, 4, 4,  2},    /* geu */
  { 0x3001, 0x3c02, 0x3000, 0x0000, 1, 2, 6, 6,  2},    /* ltn */
  { 0x3001, 0x3c02, 0x3000, 0x0000, 1, 2, 6, 6,  2},    /* ltn */
  { 0x2403, 0x3802, 0x2401, 0x3400, 2, 2, 4, 6,  4},    /* gt */
  { 0x2403, 0x3802, 0x2401, 0x3400, 2, 2, 4, 6,  4},    /* gt */
  { 0x2403, 0x2802, 0x2401, 0x2c00, 2, 2, 4, 6,  4},    /* gtu */
  { 0x2403, 0x2802, 0x2401, 0x2c00, 2, 2, 4, 6,  4},    /* gtu */
  { 0x2401, 0x2c02, 0x2400, 0x2800, 3, 2, 4, 6,  4},    /* leu , 2 labels */
  { 0x2401, 0x2c02, 0x2400, 0x2800, 3, 2, 4, 6,  4},    /* leu , 2 labels */
  { 0x2401, 0x2c02, 0x2400, 0x2800, 3, 2, 4, 6,  4},    /* le  , 2 labels */
  { 0x2401, 0x2c02, 0x2400, 0x2800, 3, 2, 4, 6,  4},    /* le  , 2 labels */
  { 0,       0,       0,       0,       0, 0, 0, 0,  0}
  { 0,       0,       0,       0,       0, 0, 0, 0,  0}
};
};
 
 
/* Return TRUE if a symbol exists at the given address.  */
/* Return TRUE if a symbol exists at the given address.  */
 
 
static bfd_boolean
static bfd_boolean
msp430_elf_symbol_address_p (bfd * abfd,
msp430_elf_symbol_address_p (bfd * abfd,
                             asection * sec,
                             asection * sec,
                             Elf_Internal_Sym * isym,
                             Elf_Internal_Sym * isym,
                             bfd_vma addr)
                             bfd_vma addr)
{
{
  Elf_Internal_Shdr *symtab_hdr;
  Elf_Internal_Shdr *symtab_hdr;
  unsigned int sec_shndx;
  unsigned int sec_shndx;
  Elf_Internal_Sym *isymend;
  Elf_Internal_Sym *isymend;
  struct elf_link_hash_entry **sym_hashes;
  struct elf_link_hash_entry **sym_hashes;
  struct elf_link_hash_entry **end_hashes;
  struct elf_link_hash_entry **end_hashes;
  unsigned int symcount;
  unsigned int symcount;
 
 
  sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
  sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
 
 
  /* Examine all the local symbols.  */
  /* Examine all the local symbols.  */
  symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
  symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
  for (isymend = isym + symtab_hdr->sh_info; isym < isymend; isym++)
  for (isymend = isym + symtab_hdr->sh_info; isym < isymend; isym++)
    if (isym->st_shndx == sec_shndx && isym->st_value == addr)
    if (isym->st_shndx == sec_shndx && isym->st_value == addr)
      return TRUE;
      return TRUE;
 
 
  symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
  symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
              - symtab_hdr->sh_info);
              - symtab_hdr->sh_info);
  sym_hashes = elf_sym_hashes (abfd);
  sym_hashes = elf_sym_hashes (abfd);
  end_hashes = sym_hashes + symcount;
  end_hashes = sym_hashes + symcount;
  for (; sym_hashes < end_hashes; sym_hashes++)
  for (; sym_hashes < end_hashes; sym_hashes++)
    {
    {
      struct elf_link_hash_entry *sym_hash = *sym_hashes;
      struct elf_link_hash_entry *sym_hash = *sym_hashes;
 
 
      if ((sym_hash->root.type == bfd_link_hash_defined
      if ((sym_hash->root.type == bfd_link_hash_defined
           || sym_hash->root.type == bfd_link_hash_defweak)
           || sym_hash->root.type == bfd_link_hash_defweak)
          && sym_hash->root.u.def.section == sec
          && sym_hash->root.u.def.section == sec
          && sym_hash->root.u.def.value == addr)
          && sym_hash->root.u.def.value == addr)
        return TRUE;
        return TRUE;
    }
    }
 
 
  return FALSE;
  return FALSE;
}
}
 
 
/* Adjust all local symbols defined as '.section + 0xXXXX' (.section has sec_shndx)
/* Adjust all local symbols defined as '.section + 0xXXXX' (.section has sec_shndx)
    referenced from current and other sections */
    referenced from current and other sections */
static bfd_boolean
static bfd_boolean
msp430_elf_relax_adjust_locals(bfd * abfd, asection * sec, bfd_vma addr,
msp430_elf_relax_adjust_locals(bfd * abfd, asection * sec, bfd_vma addr,
    int count, unsigned int sec_shndx, bfd_vma toaddr)
    int count, unsigned int sec_shndx, bfd_vma toaddr)
{
{
  Elf_Internal_Shdr *symtab_hdr;
  Elf_Internal_Shdr *symtab_hdr;
  Elf_Internal_Rela *irel;
  Elf_Internal_Rela *irel;
  Elf_Internal_Rela *irelend;
  Elf_Internal_Rela *irelend;
  Elf_Internal_Sym *isym;
  Elf_Internal_Sym *isym;
 
 
  irel = elf_section_data (sec)->relocs;
  irel = elf_section_data (sec)->relocs;
  irelend = irel + sec->reloc_count;
  irelend = irel + sec->reloc_count;
  symtab_hdr = & elf_tdata (abfd)->symtab_hdr;
  symtab_hdr = & elf_tdata (abfd)->symtab_hdr;
  isym = (Elf_Internal_Sym *) symtab_hdr->contents;
  isym = (Elf_Internal_Sym *) symtab_hdr->contents;
 
 
  for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
  for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
    {
    {
      int sidx = ELF32_R_SYM(irel->r_info);
      int sidx = ELF32_R_SYM(irel->r_info);
      Elf_Internal_Sym *lsym = isym + sidx;
      Elf_Internal_Sym *lsym = isym + sidx;
 
 
      /* Adjust symbols referenced by .sec+0xXX */
      /* Adjust symbols referenced by .sec+0xXX */
      if (irel->r_addend > addr && irel->r_addend < toaddr
      if (irel->r_addend > addr && irel->r_addend < toaddr
          && lsym->st_shndx == sec_shndx)
          && lsym->st_shndx == sec_shndx)
        irel->r_addend -= count;
        irel->r_addend -= count;
    }
    }
 
 
  return TRUE;
  return TRUE;
}
}
 
 
/* Delete some bytes from a section while relaxing.  */
/* Delete some bytes from a section while relaxing.  */
 
 
static bfd_boolean
static bfd_boolean
msp430_elf_relax_delete_bytes (bfd * abfd, asection * sec, bfd_vma addr,
msp430_elf_relax_delete_bytes (bfd * abfd, asection * sec, bfd_vma addr,
                               int count)
                               int count)
{
{
  Elf_Internal_Shdr *symtab_hdr;
  Elf_Internal_Shdr *symtab_hdr;
  unsigned int sec_shndx;
  unsigned int sec_shndx;
  bfd_byte *contents;
  bfd_byte *contents;
  Elf_Internal_Rela *irel;
  Elf_Internal_Rela *irel;
  Elf_Internal_Rela *irelend;
  Elf_Internal_Rela *irelend;
  Elf_Internal_Rela *irelalign;
  Elf_Internal_Rela *irelalign;
  bfd_vma toaddr;
  bfd_vma toaddr;
  Elf_Internal_Sym *isym;
  Elf_Internal_Sym *isym;
  Elf_Internal_Sym *isymend;
  Elf_Internal_Sym *isymend;
  struct elf_link_hash_entry **sym_hashes;
  struct elf_link_hash_entry **sym_hashes;
  struct elf_link_hash_entry **end_hashes;
  struct elf_link_hash_entry **end_hashes;
  unsigned int symcount;
  unsigned int symcount;
  asection *p;
  asection *p;
 
 
  sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
  sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
 
 
  contents = elf_section_data (sec)->this_hdr.contents;
  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 aligment
     power larger than the number of bytes we are deleting.  */
     power larger than the number of bytes we are deleting.  */
 
 
  irelalign = NULL;
  irelalign = NULL;
  toaddr = sec->size;
  toaddr = sec->size;
 
 
  irel = elf_section_data (sec)->relocs;
  irel = elf_section_data (sec)->relocs;
  irelend = irel + sec->reloc_count;
  irelend = irel + sec->reloc_count;
 
 
  /* Actually delete the bytes.  */
  /* Actually delete the bytes.  */
  memmove (contents + addr, contents + addr + count,
  memmove (contents + addr, contents + addr + count,
           (size_t) (toaddr - addr - count));
           (size_t) (toaddr - addr - count));
  sec->size -= count;
  sec->size -= count;
 
 
  /* Adjust all the relocs.  */
  /* Adjust all the relocs.  */
  symtab_hdr = & elf_tdata (abfd)->symtab_hdr;
  symtab_hdr = & elf_tdata (abfd)->symtab_hdr;
  isym = (Elf_Internal_Sym *) symtab_hdr->contents;
  isym = (Elf_Internal_Sym *) symtab_hdr->contents;
  for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
  for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
    {
    {
      /* Get the new reloc address.  */
      /* Get the new reloc address.  */
      if ((irel->r_offset > addr && irel->r_offset < toaddr))
      if ((irel->r_offset > addr && irel->r_offset < toaddr))
        irel->r_offset -= count;
        irel->r_offset -= count;
    }
    }
 
 
  for (p = abfd->sections; p != NULL; p = p->next)
  for (p = abfd->sections; p != NULL; p = p->next)
    msp430_elf_relax_adjust_locals(abfd,p,addr,count,sec_shndx,toaddr);
    msp430_elf_relax_adjust_locals(abfd,p,addr,count,sec_shndx,toaddr);
 
 
  /* Adjust the local symbols defined in this section.  */
  /* Adjust the local symbols defined in this section.  */
  symtab_hdr = & elf_tdata (abfd)->symtab_hdr;
  symtab_hdr = & elf_tdata (abfd)->symtab_hdr;
  isym = (Elf_Internal_Sym *) symtab_hdr->contents;
  isym = (Elf_Internal_Sym *) symtab_hdr->contents;
  for (isymend = isym + symtab_hdr->sh_info; isym < isymend; isym++)
  for (isymend = isym + symtab_hdr->sh_info; isym < isymend; isym++)
    if (isym->st_shndx == sec_shndx
    if (isym->st_shndx == sec_shndx
        && isym->st_value > addr && isym->st_value < toaddr)
        && isym->st_value > addr && isym->st_value < toaddr)
      isym->st_value -= count;
      isym->st_value -= count;
 
 
  /* Now adjust the global symbols defined in this section.  */
  /* Now adjust the global symbols defined in this section.  */
  symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
  symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
              - symtab_hdr->sh_info);
              - symtab_hdr->sh_info);
  sym_hashes = elf_sym_hashes (abfd);
  sym_hashes = elf_sym_hashes (abfd);
  end_hashes = sym_hashes + symcount;
  end_hashes = sym_hashes + symcount;
  for (; sym_hashes < end_hashes; sym_hashes++)
  for (; sym_hashes < end_hashes; sym_hashes++)
    {
    {
      struct elf_link_hash_entry *sym_hash = *sym_hashes;
      struct elf_link_hash_entry *sym_hash = *sym_hashes;
 
 
      if ((sym_hash->root.type == bfd_link_hash_defined
      if ((sym_hash->root.type == bfd_link_hash_defined
           || sym_hash->root.type == bfd_link_hash_defweak)
           || sym_hash->root.type == bfd_link_hash_defweak)
          && sym_hash->root.u.def.section == sec
          && sym_hash->root.u.def.section == sec
          && sym_hash->root.u.def.value > addr
          && sym_hash->root.u.def.value > addr
          && sym_hash->root.u.def.value < toaddr)
          && sym_hash->root.u.def.value < toaddr)
        sym_hash->root.u.def.value -= count;
        sym_hash->root.u.def.value -= count;
    }
    }
 
 
  return TRUE;
  return TRUE;
}
}
 
 
 
 
static bfd_boolean
static bfd_boolean
msp430_elf_relax_section (bfd * abfd, asection * sec,
msp430_elf_relax_section (bfd * abfd, asection * sec,
                          struct bfd_link_info * link_info,
                          struct bfd_link_info * link_info,
                          bfd_boolean * again)
                          bfd_boolean * again)
{
{
  Elf_Internal_Shdr * symtab_hdr;
  Elf_Internal_Shdr * symtab_hdr;
  Elf_Internal_Rela * internal_relocs;
  Elf_Internal_Rela * internal_relocs;
  Elf_Internal_Rela * irel;
  Elf_Internal_Rela * irel;
  Elf_Internal_Rela * irelend;
  Elf_Internal_Rela * irelend;
  bfd_byte *          contents = NULL;
  bfd_byte *          contents = NULL;
  Elf_Internal_Sym *  isymbuf = NULL;
  Elf_Internal_Sym *  isymbuf = NULL;
 
 
  /* Assume nothing changes.  */
  /* Assume nothing changes.  */
  *again = FALSE;
  *again = FALSE;
 
 
  /* We don't have to do anything for a relocatable link, if
  /* We don't have to do anything for a relocatable link, if
     this section does not have relocs, or if this is not a
     this section does not have relocs, or if this is not a
     code section.  */
     code section.  */
  if (link_info->relocatable
  if (link_info->relocatable
      || (sec->flags & SEC_RELOC) == 0
      || (sec->flags & SEC_RELOC) == 0
      || sec->reloc_count == 0 || (sec->flags & SEC_CODE) == 0)
      || sec->reloc_count == 0 || (sec->flags & SEC_CODE) == 0)
    return TRUE;
    return TRUE;
 
 
  symtab_hdr = & elf_tdata (abfd)->symtab_hdr;
  symtab_hdr = & elf_tdata (abfd)->symtab_hdr;
 
 
  /* Get a copy of the native relocations.  */
  /* Get a copy of the native relocations.  */
  internal_relocs =
  internal_relocs =
    _bfd_elf_link_read_relocs (abfd, sec, NULL, NULL, link_info->keep_memory);
    _bfd_elf_link_read_relocs (abfd, sec, NULL, NULL, link_info->keep_memory);
  if (internal_relocs == NULL)
  if (internal_relocs == NULL)
    goto error_return;
    goto error_return;
 
 
  /* Walk through them looking for relaxing opportunities.  */
  /* Walk through them looking for relaxing opportunities.  */
  irelend = internal_relocs + sec->reloc_count;
  irelend = internal_relocs + sec->reloc_count;
  for (irel = internal_relocs; irel < irelend; irel++)
  for (irel = internal_relocs; irel < irelend; irel++)
    {
    {
      bfd_vma symval;
      bfd_vma symval;
 
 
      /* If this isn't something that can be relaxed, then ignore
      /* If this isn't something that can be relaxed, then ignore
         this reloc.  */
         this reloc.  */
      if (ELF32_R_TYPE (irel->r_info) != (int) R_MSP430_RL_PCREL)
      if (ELF32_R_TYPE (irel->r_info) != (int) R_MSP430_RL_PCREL)
        continue;
        continue;
 
 
      /* Get the section contents if we haven't done so already.  */
      /* Get the section contents if we haven't done so already.  */
      if (contents == NULL)
      if (contents == NULL)
        {
        {
          /* Get cached copy if it exists.  */
          /* Get cached copy if it exists.  */
          if (elf_section_data (sec)->this_hdr.contents != NULL)
          if (elf_section_data (sec)->this_hdr.contents != NULL)
            contents = elf_section_data (sec)->this_hdr.contents;
            contents = elf_section_data (sec)->this_hdr.contents;
          else if (! bfd_malloc_and_get_section (abfd, sec, &contents))
          else if (! bfd_malloc_and_get_section (abfd, sec, &contents))
            goto error_return;
            goto error_return;
        }
        }
 
 
      /* Read this BFD's local symbols if we haven't done so already.  */
      /* Read this BFD's local symbols if we haven't done so already.  */
      if (isymbuf == NULL && symtab_hdr->sh_info != 0)
      if (isymbuf == NULL && symtab_hdr->sh_info != 0)
        {
        {
          isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
          isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
          if (isymbuf == NULL)
          if (isymbuf == NULL)
            isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
            isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
                                            symtab_hdr->sh_info, 0,
                                            symtab_hdr->sh_info, 0,
                                            NULL, NULL, NULL);
                                            NULL, NULL, NULL);
          if (isymbuf == NULL)
          if (isymbuf == NULL)
            goto error_return;
            goto error_return;
        }
        }
 
 
      /* Get the value of the symbol referred to by the reloc.  */
      /* Get the value of the symbol referred to by the reloc.  */
      if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
      if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
        {
        {
          /* A local symbol.  */
          /* A local symbol.  */
          Elf_Internal_Sym *isym;
          Elf_Internal_Sym *isym;
          asection *sym_sec;
          asection *sym_sec;
 
 
          isym = isymbuf + ELF32_R_SYM (irel->r_info);
          isym = isymbuf + ELF32_R_SYM (irel->r_info);
          if (isym->st_shndx == SHN_UNDEF)
          if (isym->st_shndx == SHN_UNDEF)
            sym_sec = bfd_und_section_ptr;
            sym_sec = bfd_und_section_ptr;
          else if (isym->st_shndx == SHN_ABS)
          else if (isym->st_shndx == SHN_ABS)
            sym_sec = bfd_abs_section_ptr;
            sym_sec = bfd_abs_section_ptr;
          else if (isym->st_shndx == SHN_COMMON)
          else if (isym->st_shndx == SHN_COMMON)
            sym_sec = bfd_com_section_ptr;
            sym_sec = bfd_com_section_ptr;
          else
          else
            sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
            sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
          symval = (isym->st_value
          symval = (isym->st_value
                    + sym_sec->output_section->vma + sym_sec->output_offset);
                    + sym_sec->output_section->vma + sym_sec->output_offset);
        }
        }
      else
      else
        {
        {
          unsigned long indx;
          unsigned long indx;
          struct elf_link_hash_entry *h;
          struct elf_link_hash_entry *h;
 
 
          /* An external symbol.  */
          /* An external symbol.  */
          indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info;
          indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info;
          h = elf_sym_hashes (abfd)[indx];
          h = elf_sym_hashes (abfd)[indx];
          BFD_ASSERT (h != NULL);
          BFD_ASSERT (h != NULL);
 
 
          if (h->root.type != bfd_link_hash_defined
          if (h->root.type != bfd_link_hash_defined
              && h->root.type != bfd_link_hash_defweak)
              && h->root.type != bfd_link_hash_defweak)
            /* This appears to be a reference to an undefined
            /* This appears to be a reference to an undefined
               symbol.  Just ignore it--it will be caught by the
               symbol.  Just ignore it--it will be caught by the
               regular reloc processing.  */
               regular reloc processing.  */
            continue;
            continue;
 
 
          symval = (h->root.u.def.value
          symval = (h->root.u.def.value
                    + h->root.u.def.section->output_section->vma
                    + h->root.u.def.section->output_section->vma
                    + h->root.u.def.section->output_offset);
                    + h->root.u.def.section->output_offset);
        }
        }
 
 
      /* For simplicity of coding, we are going to modify the section
      /* For simplicity of coding, we are going to modify the section
         contents, the section relocs, and the BFD symbol table.  We
         contents, the section relocs, and the BFD symbol table.  We
         must tell the rest of the code not to free up this
         must tell the rest of the code not to free up this
         information.  It would be possible to instead create a table
         information.  It would be possible to instead create a table
         of changes which have to be made, as is done in coff-mips.c;
         of changes which have to be made, as is done in coff-mips.c;
         that would be more work, but would require less memory when
         that would be more work, but would require less memory when
         the linker is run.  */
         the linker is run.  */
 
 
      /* Try to turn a 16bit pc-relative branch into a 10bit pc-relative
      /* Try to turn a 16bit pc-relative branch into a 10bit pc-relative
         branch.  */
         branch.  */
      /* Paranoia? paranoia...  */
      /* Paranoia? paranoia...  */
      if (ELF32_R_TYPE (irel->r_info) == (int) R_MSP430_RL_PCREL)
      if (ELF32_R_TYPE (irel->r_info) == (int) R_MSP430_RL_PCREL)
        {
        {
          bfd_vma value = symval;
          bfd_vma value = symval;
 
 
          /* Deal with pc-relative gunk.  */
          /* Deal with pc-relative gunk.  */
          value -= (sec->output_section->vma + sec->output_offset);
          value -= (sec->output_section->vma + sec->output_offset);
          value -= irel->r_offset;
          value -= irel->r_offset;
          value += irel->r_addend;
          value += irel->r_addend;
 
 
          /* See if the value will fit in 10 bits, note the high value is
          /* See if the value will fit in 10 bits, note the high value is
             1016 as the target will be two bytes closer if we are
             1016 as the target will be two bytes closer if we are
             able to relax. */
             able to relax. */
          if ((long) value < 1016 && (long) value > -1016)
          if ((long) value < 1016 && (long) value > -1016)
            {
            {
              int code0 = 0, code1 = 0, code2 = 0;
              int code0 = 0, code1 = 0, code2 = 0;
              int i;
              int i;
              struct rcodes_s *rx;
              struct rcodes_s *rx;
 
 
              /* Get the opcode.  */
              /* Get the opcode.  */
              if (irel->r_offset >= 6)
              if (irel->r_offset >= 6)
                code0 = bfd_get_16 (abfd, contents + irel->r_offset - 6);
                code0 = bfd_get_16 (abfd, contents + irel->r_offset - 6);
 
 
              if (irel->r_offset >= 4)
              if (irel->r_offset >= 4)
                code1 = bfd_get_16 (abfd, contents + irel->r_offset - 4);
                code1 = bfd_get_16 (abfd, contents + irel->r_offset - 4);
 
 
              code2 = bfd_get_16 (abfd, contents + irel->r_offset - 2);
              code2 = bfd_get_16 (abfd, contents + irel->r_offset - 2);
 
 
              if (code2 != 0x4010)
              if (code2 != 0x4010)
                continue;
                continue;
 
 
              /* Check r4 and r3.  */
              /* Check r4 and r3.  */
              for (i = NUMB_RELAX_CODES - 1; i >= 0; i--)
              for (i = NUMB_RELAX_CODES - 1; i >= 0; i--)
                {
                {
                  rx = &rcode[i];
                  rx = &rcode[i];
                  if (rx->cdx == 2 && rx->f0 == code0 && rx->f1 == code1)
                  if (rx->cdx == 2 && rx->f0 == code0 && rx->f1 == code1)
                    break;
                    break;
                  else if (rx->cdx == 1 && rx->f1 == code1)
                  else if (rx->cdx == 1 && rx->f1 == code1)
                    break;
                    break;
                  else if (rx->cdx == 0) /* This is an unconditional jump.  */
                  else if (rx->cdx == 0) /* This is an unconditional jump.  */
                    break;
                    break;
                }
                }
 
 
              /* Check labels:
              /* Check labels:
                   .Label0:       ; we do not care about this label
                   .Label0:       ; we do not care about this label
                      jeq    +6
                      jeq    +6
                   .Label1:       ; make sure there is no label here
                   .Label1:       ; make sure there is no label here
                      jl     +4
                      jl     +4
                   .Label2:       ; make sure there is no label here
                   .Label2:       ; make sure there is no label here
                      br .Label_dst
                      br .Label_dst
 
 
                 So, if there is .Label1 or .Label2 we cannot relax this code.
                 So, if there is .Label1 or .Label2 we cannot relax this code.
                 This actually should not happen, cause for relaxable
                 This actually should not happen, cause for relaxable
                 instructions we use RL_PCREL reloc instead of 16_PCREL.
                 instructions we use RL_PCREL reloc instead of 16_PCREL.
                 Will change this in the future. */
                 Will change this in the future. */
 
 
              if (rx->cdx > 0
              if (rx->cdx > 0
                  && msp430_elf_symbol_address_p (abfd, sec, isymbuf,
                  && msp430_elf_symbol_address_p (abfd, sec, isymbuf,
                                                  irel->r_offset - 2))
                                                  irel->r_offset - 2))
                continue;
                continue;
              if (rx->cdx > 1
              if (rx->cdx > 1
                  && msp430_elf_symbol_address_p (abfd, sec, isymbuf,
                  && msp430_elf_symbol_address_p (abfd, sec, isymbuf,
                                                  irel->r_offset - 4))
                                                  irel->r_offset - 4))
                continue;
                continue;
 
 
              /* Note that we've changed the relocs, section contents, etc.  */
              /* Note that we've changed the relocs, section contents, etc.  */
              elf_section_data (sec)->relocs = internal_relocs;
              elf_section_data (sec)->relocs = internal_relocs;
              elf_section_data (sec)->this_hdr.contents = contents;
              elf_section_data (sec)->this_hdr.contents = contents;
              symtab_hdr->contents = (unsigned char *) isymbuf;
              symtab_hdr->contents = (unsigned char *) isymbuf;
 
 
              /* Fix the relocation's type.  */
              /* Fix the relocation's type.  */
              if (rx->labels == 3)      /* Handle special cases.  */
              if (rx->labels == 3)      /* Handle special cases.  */
                irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
                irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
                                           R_MSP430_2X_PCREL);
                                           R_MSP430_2X_PCREL);
              else
              else
                irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
                irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
                                           R_MSP430_10_PCREL);
                                           R_MSP430_10_PCREL);
 
 
              /* Fix the opcode right way.  */
              /* Fix the opcode right way.  */
              bfd_put_16 (abfd, rx->t0, contents + irel->r_offset - rx->off);
              bfd_put_16 (abfd, rx->t0, contents + irel->r_offset - rx->off);
              if (rx->t1)
              if (rx->t1)
                bfd_put_16 (abfd, rx->t1,
                bfd_put_16 (abfd, rx->t1,
                            contents + irel->r_offset - rx->off + 2);
                            contents + irel->r_offset - rx->off + 2);
 
 
              /* Delete bytes. */
              /* Delete bytes. */
              if (!msp430_elf_relax_delete_bytes (abfd, sec,
              if (!msp430_elf_relax_delete_bytes (abfd, sec,
                                                  irel->r_offset - rx->off +
                                                  irel->r_offset - rx->off +
                                                  rx->ncl, rx->bs))
                                                  rx->ncl, rx->bs))
                goto error_return;
                goto error_return;
 
 
              /* Handle unconditional jumps.  */
              /* Handle unconditional jumps.  */
              if (rx->cdx == 0)
              if (rx->cdx == 0)
                irel->r_offset -= 2;
                irel->r_offset -= 2;
 
 
              /* That will change things, so, we should relax again.
              /* That will change things, so, we should relax again.
                 Note that this is not required, and it may be slow.  */
                 Note that this is not required, and it may be slow.  */
              *again = TRUE;
              *again = TRUE;
            }
            }
        }
        }
    }
    }
 
 
  if (isymbuf != NULL && symtab_hdr->contents != (unsigned char *) isymbuf)
  if (isymbuf != NULL && symtab_hdr->contents != (unsigned char *) isymbuf)
    {
    {
      if (!link_info->keep_memory)
      if (!link_info->keep_memory)
        free (isymbuf);
        free (isymbuf);
      else
      else
        {
        {
          /* Cache the symbols for elf_link_input_bfd.  */
          /* Cache the symbols for elf_link_input_bfd.  */
          symtab_hdr->contents = (unsigned char *) isymbuf;
          symtab_hdr->contents = (unsigned char *) isymbuf;
        }
        }
    }
    }
 
 
  if (contents != NULL
  if (contents != NULL
      && elf_section_data (sec)->this_hdr.contents != contents)
      && elf_section_data (sec)->this_hdr.contents != contents)
    {
    {
      if (!link_info->keep_memory)
      if (!link_info->keep_memory)
        free (contents);
        free (contents);
      else
      else
        {
        {
          /* Cache the section contents for elf_link_input_bfd.  */
          /* Cache the section contents for elf_link_input_bfd.  */
          elf_section_data (sec)->this_hdr.contents = contents;
          elf_section_data (sec)->this_hdr.contents = contents;
        }
        }
    }
    }
 
 
  if (internal_relocs != NULL
  if (internal_relocs != NULL
      && elf_section_data (sec)->relocs != internal_relocs)
      && elf_section_data (sec)->relocs != internal_relocs)
    free (internal_relocs);
    free (internal_relocs);
 
 
  return TRUE;
  return TRUE;
 
 
error_return:
error_return:
  if (isymbuf != NULL && symtab_hdr->contents != (unsigned char *) isymbuf)
  if (isymbuf != NULL && symtab_hdr->contents != (unsigned char *) isymbuf)
    free (isymbuf);
    free (isymbuf);
  if (contents != NULL
  if (contents != NULL
      && elf_section_data (sec)->this_hdr.contents != contents)
      && elf_section_data (sec)->this_hdr.contents != contents)
    free (contents);
    free (contents);
  if (internal_relocs != NULL
  if (internal_relocs != NULL
      && elf_section_data (sec)->relocs != internal_relocs)
      && elf_section_data (sec)->relocs != internal_relocs)
    free (internal_relocs);
    free (internal_relocs);
 
 
  return FALSE;
  return FALSE;
}
}
 
 
 
 
#define ELF_ARCH                bfd_arch_msp430
#define ELF_ARCH                bfd_arch_msp430
#define ELF_MACHINE_CODE        EM_MSP430
#define ELF_MACHINE_CODE        EM_MSP430
#define ELF_MACHINE_ALT1        EM_MSP430_OLD
#define ELF_MACHINE_ALT1        EM_MSP430_OLD
#define ELF_MAXPAGESIZE         1
#define ELF_MAXPAGESIZE         1
#define ELF_OSABI               ELFOSABI_STANDALONE
#define ELF_OSABI               ELFOSABI_STANDALONE
 
 
#define TARGET_LITTLE_SYM       bfd_elf32_msp430_vec
#define TARGET_LITTLE_SYM       bfd_elf32_msp430_vec
#define TARGET_LITTLE_NAME      "elf32-msp430"
#define TARGET_LITTLE_NAME      "elf32-msp430"
 
 
#define elf_info_to_howto                    msp430_info_to_howto_rela
#define elf_info_to_howto                    msp430_info_to_howto_rela
#define elf_info_to_howto_rel                NULL
#define elf_info_to_howto_rel                NULL
#define elf_backend_relocate_section         elf32_msp430_relocate_section
#define elf_backend_relocate_section         elf32_msp430_relocate_section
#define elf_backend_check_relocs             elf32_msp430_check_relocs
#define elf_backend_check_relocs             elf32_msp430_check_relocs
#define elf_backend_can_gc_sections          1
#define elf_backend_can_gc_sections          1
#define elf_backend_final_write_processing   bfd_elf_msp430_final_write_processing
#define elf_backend_final_write_processing   bfd_elf_msp430_final_write_processing
#define elf_backend_object_p                 elf32_msp430_object_p
#define elf_backend_object_p                 elf32_msp430_object_p
#define elf_backend_post_process_headers     _bfd_elf_set_osabi
#define elf_backend_post_process_headers     _bfd_elf_set_osabi
#define bfd_elf32_bfd_relax_section          msp430_elf_relax_section
#define bfd_elf32_bfd_relax_section          msp430_elf_relax_section
 
 
#include "elf32-target.h"
#include "elf32-target.h"
 
 

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