gnu/dist/gdb6/bfd/cpu-msp430.c

   1 /* BFD library support routines for the MSP architecture.
   2    Copyright (C) 2002, 2003 Free Software Foundation, Inc.
   3    Contributed by Dmitry Diky <diwil@mail.ru>
   4
   5    This file is part of BFD, the Binary File Descriptor library.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
  20
  21 #include "bfd.h"
  22 #include "sysdep.h"
  23 #include "libbfd.h"
  24
  25 static const bfd_arch_info_type *compatible
  26   PARAMS ((const bfd_arch_info_type *, const bfd_arch_info_type *));
  27
  28 #define N(addr_bits, machine, print, default, next)             \
  29 {                                                               \
  30   16,                           /* 16 bits in a word.  */       \
  31   addr_bits,                    /* Bits in an address.  */      \
  32   8,                            /* 8 bits in a byte.  */        \
  33   bfd_arch_msp430,                                              \
  34   machine,                      /* Machine number.  */          \
  35   "msp430",                     /* Architecture name.   */      \
  36   print,                        /* Printable name.  */          \
  37   1,                            /* Section align power.  */     \
  38   default,                      /* The default machine.  */     \
  39   compatible,                                                   \
  40   bfd_default_scan,                                             \
  41   next                                                          \
  42 }
  43
  44 static const bfd_arch_info_type arch_info_struct[] =
  45 {
  46   /* msp430x11x.  */
  47   N (16, bfd_mach_msp11, "msp:11", FALSE, & arch_info_struct[1]),
  48
  49   /* msp430x11x1.  */
  50   N (16, bfd_mach_msp110, "msp:110", FALSE, & arch_info_struct[2]),
  51
  52   /* msp430x12x.  */
  53   N (16, bfd_mach_msp12, "msp:12", FALSE, & arch_info_struct[3]),
  54
  55   /* msp430x13x.  */
  56   N (16, bfd_mach_msp13, "msp:13", FALSE, & arch_info_struct[4]),
  57
  58   /* msp430x14x.  */
  59   N (16, bfd_mach_msp14, "msp:14", FALSE, & arch_info_struct[5]),
  60
  61   /* msp430x15x.  */
  62   N (16, bfd_mach_msp15, "msp:15", FALSE, & arch_info_struct[6]),
  63
  64   /* msp430x16x.  */
  65   N (16, bfd_mach_msp16, "msp:16", FALSE, & arch_info_struct[7]),
  66
  67   /* msp430x21x.  */
  68   N (16, bfd_mach_msp21, "msp:21", FALSE, & arch_info_struct[8]),
  69
  70   /* msp430x31x.  */
  71   N (16, bfd_mach_msp31, "msp:31", FALSE, & arch_info_struct[9]),
  72
  73   /* msp430x32x.  */
  74   N (16, bfd_mach_msp32, "msp:32", FALSE, & arch_info_struct[10]),
  75
  76   /* msp430x33x.  */
  77   N (16, bfd_mach_msp33, "msp:33", FALSE, & arch_info_struct[11]),
  78
  79   /* msp430x41x.  */
  80   N (16, bfd_mach_msp41, "msp:41", FALSE, & arch_info_struct[12]),
  81
  82   /* msp430x42x.  */
  83   N (16, bfd_mach_msp42, "msp:42", FALSE, & arch_info_struct[13]),
  84
  85   /* msp430x43x.  */
  86   N (16, bfd_mach_msp43, "msp:43", FALSE, & arch_info_struct[14]),
  87
  88   /* msp430x44x.  */
  89   N (16, bfd_mach_msp43, "msp:44", FALSE, NULL)
  90 };
  91
  92 const bfd_arch_info_type bfd_msp430_arch =
  93   N (16, bfd_mach_msp14, "msp:14", TRUE, & arch_info_struct[0]);
  94
  95 /* This routine is provided two arch_infos and works out which MSP
  96    machine which would be compatible with both and returns a pointer
  97    to its info structure.  */
  98
  99 static const bfd_arch_info_type *
 100 compatible (a,b)
 101      const bfd_arch_info_type * a;
 102      const bfd_arch_info_type * b;
 103 {
 104   /* If a & b are for different architectures we can do nothing.  */
 105   if (a->arch != b->arch)
 106     return NULL;
 107
 108   if (a->mach <= b->mach)
 109     return b;
 110
 111   return a;
 112 }