bfd/coff-m88k.c

   1 /* Copyright (C) 1990, 1991 Free Software Foundation, Inc.
   2
   3 This file is part of BFD, the Binary File Diddler.
   4
   5 BFD is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation; either version 1, or (at your option)
   8 any later version.
   9
  10 BFD is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with BFD; see the file COPYING.  If not, write to
  17 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  18
  19
  20 /* $Id$ */
  21
  22 #define M88 1
  23 #include <ansidecl.h>
  24 #include <sysdep.h>
  25 #include "bfd.h"
  26 #include "libbfd.h"
  27 #include "obstack.h"
  28 #include "m88k-bcs.h"
  29 #include "libcoff.h"
  30
  31 /* Provided the symbol, returns the value reffed */
  32 #define HOWTO_PREPARE(relocation, symbol)       \
  33   {                                             \
  34   if (symbol != (asymbol *)NULL) {              \
  35     if (symbol->flags & BSF_FORT_COMM) {        \
  36       relocation = 0;                           \
  37     }                                           \
  38     else {                                      \
  39       relocation = symbol->value;               \
  40     }                                           \
  41   }                                             \
  42   if (symbol->section != (asection *)NULL) {    \
  43     relocation += symbol->section->output_section->vma +        \
  44       symbol->section->output_offset;           \
  45   }                                             \
  46 }
  47
  48
  49
  50 static bfd_reloc_status_enum_type
  51 DEFUN(howto_hvrt16,(abfd, reloc_entry, symbol_in, data, ignore_input_section),
  52 bfd *abfd AND
  53 arelent *reloc_entry AND
  54 asymbol *symbol_in AND
  55 unsigned char *data AND
  56 asection *ignore_input_section)
  57 {
  58   long relocation;
  59   bfd_vma addr = reloc_entry->address;
  60   long x = bfd_get_16(abfd, (bfd_byte *)data + addr);
  61
  62   HOWTO_PREPARE(relocation, symbol_in);
  63
  64   x = (x + relocation + reloc_entry->addend) >> 16;
  65
  66   bfd_put_16(abfd, x, (bfd_byte *)data + addr);
  67   return bfd_reloc_ok;
  68 }
  69
  70
  71
  72 static reloc_howto_type howto_table[] =
  73 {
  74   HOWTO(R_PCR16L,02,1,16,true, 0,false,true,0,"PCR16L",false,0x0000ffff,0x0000ffff,true),
  75   HOWTO(R_PCR26L,02,2,16,true, 0,false,true,0,"PCR26L",false,0x03ffffff,0x03ffffff,true),
  76   HOWTO(R_VRT16, 00,1,16,false,0,false,true,0,"VRT16", false,0x0000ffff,0x0000ffff,true),
  77   HOWTO(R_HVRT16,16,1,16,false,0,false,true,howto_hvrt16,"HVRT16",false,0x0000ffff,0x0000ffff,true),
  78   HOWTO(R_LVRT16,00,1,16,false,0,false,true,0,"LVRT16",false,0x0000ffff,0x0000ffff,true),
  79   HOWTO(R_VRT32, 00,2,32,false,0,false,true,0,"VRT32", false,0xffffffff,0xffffffff,true),
  80 };
  81
  82
  83
  84 #define BADMAG(x) MC88BADMAG(x)
  85 #include "coffcode.h"
  86
  87
  88
  89
  90 #define coff_write_armap bsd_write_armap
  91
  92
  93 bfd_target m88k_bcs_vec =
  94 {
  95   "m88kbcs",            /* name */
  96   bfd_target_coff_flavour_enum,
  97   true,                         /* data byte order is big */
  98   true,                         /* header byte order is big */
  99
 100   (HAS_RELOC | EXEC_P |         /* object flags */
 101    HAS_LINENO | HAS_DEBUG |
 102    HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT),
 103
 104   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
 105   '/',                          /* ar_pad_char */
 106   15,                           /* ar_max_namelen */
 107
 108 _do_getb64, _do_putb64,  _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* data */
 109 _do_getb64, _do_putb64,   _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* hdrs */
 110
 111   {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
 112      bfd_generic_archive_p, _bfd_dummy_target},
 113   {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
 114      bfd_false},
 115   {bfd_false, coff_write_object_contents,       /* bfd_write_contents */
 116      _bfd_write_archive_contents, bfd_false},
 117
 118   JUMP_TABLE(coff),
 119 COFF_SWAP_TABLE
 120 };