opcodes/score7-dis.c

   1 /* Instruction printing code for Score
   2    Copyright (C) 2009-2024 Free Software Foundation, Inc.
   3    Contributed by:
   4    Brain.lin (brain.lin@sunplusct.com)
   5    Mei Ligang (ligang@sunnorth.com.cn)
   6    Pei-Lin Tsai (pltsai@sunplus.com)
   7
   8    This file is part of the GNU opcodes library.
   9
  10    This library is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3, or (at your option)
  13    any later version.
  14
  15    It is distributed in the hope that it will be useful, but WITHOUT
  16    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  17    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  18    License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this file; see the file COPYING.  If not, write to the
  22    Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
  23    MA 02110-1301, USA.  */
  24
  25 #include "sysdep.h"
  26 #include "dis-asm.h"
  27 #define DEFINE_TABLE
  28 #include "opintl.h"
  29 #include "bfd.h"
  30
  31 /* FIXME: This shouldn't be done here.  */
  32 #include "elf-bfd.h"
  33 #include "elf/internal.h"
  34 #include "elf/score.h"
  35
  36 #ifndef streq
  37 #define streq(a,b)    (strcmp ((a), (b)) == 0)
  38 #endif
  39
  40 #ifndef NUM_ELEM
  41 #define NUM_ELEM(a)     (sizeof (a) / sizeof (a)[0])
  42 #endif
  43
  44 struct score_opcode
  45 {
  46   unsigned long value;
  47   unsigned long mask;   /* Recognise instruction if (op & mask) == value.  */
  48   char *assembler;      /* Disassembly string.  */
  49 };
  50
  51 /* Note: There is a partial ordering in this table - it must be searched from
  52    the top to obtain a correct match.  */
  53
  54 static struct score_opcode score_opcodes[] =
  55 {
  56   /* Score Instructions.  */
  57   {0x3800000a, 0x3e007fff, "abs\t\t%20-24r, %15-19r"},
  58   {0x3800004b, 0x3e007fff, "abs.s\t\t%20-24r, %15-19r"},
  59   {0x00000010, 0x3e0003ff, "add\t\t%20-24r, %15-19r, %10-14r"},
  60   {0x00000011, 0x3e0003ff, "add.c\t\t%20-24r, %15-19r, %10-14r"},
  61   {0x38000048, 0x3e0003ff, "add.s\t\t%20-24r, %15-19r, %10-14r"},
  62   {0x00000012, 0x3e0003ff, "addc\t\t%20-24r, %15-19r, %10-14r"},
  63   {0x00000013, 0x3e0003ff, "addc.c\t\t%20-24r, %15-19r, %10-14r"},
  64   {0x02000000, 0x3e0e0001, "addi\t\t%20-24r, %1-16i"},
  65   {0x02000001, 0x3e0e0001, "addi.c\t\t%20-24r, %1-16i"},
  66   {0x0a000000, 0x3e0e0001, "addis\t\t%20-24r, %1-16d(0x%1-16x)"},
  67   {0x0a000001, 0x3e0e0001, "addis.c\t\t%20-24r, %1-16d(0x%1-16x)"},
  68   {0x10000000, 0x3e000001, "addri\t\t%20-24r, %15-19r, %1-14i"},
  69   {0x10000001, 0x3e000001, "addri.c\t\t%20-24r, %15-19r, %1-14i"},
  70   {0x00000009, 0x0000700f, "addc!\t\t%8-11r, %4-7r"},
  71   {0x00002000, 0x0000700f, "add!\t\t%8-11r, %4-7r"},
  72   {0x00006000, 0x00007087, "addei!\t\t%8-11r, %3-6d"},
  73   {0x00000020, 0x3e0003ff, "and\t\t%20-24r, %15-19r, %10-14r"},
  74   {0x00000021, 0x3e0003ff, "and.c\t\t%20-24r, %15-19r, %10-14r"},
  75   {0x02080000, 0x3e0e0001, "andi\t\t%20-24r, 0x%1-16x"},
  76   {0x02080001, 0x3e0e0001, "andi.c\t\t%20-24r, 0x%1-16x"},
  77   {0x0a080000, 0x3e0e0001, "andis\t\t%20-24r, 0x%1-16x"},
  78   {0x0a080001, 0x3e0e0001, "andis.c\t\t%20-24r, 0x%1-16x"},
  79   {0x18000000, 0x3e000001, "andri\t\t%20-24r, %15-19r, 0x%1-14x"},
  80   {0x18000001, 0x3e000001, "andri.c\t\t%20-24r, %15-19r,0x%1-14x"},
  81   {0x00002004, 0x0000700f, "and!\t\t%8-11r, %4-7r"},
  82   {0x08000000, 0x3e007c01, "bcs\t\t%b"},
  83   {0x08000400, 0x3e007c01, "bcc\t\t%b"},
  84   {0x08003800, 0x3e007c01, "bcnz\t\t%b"},
  85   {0x08000001, 0x3e007c01, "bcsl\t\t%b"},
  86   {0x08000401, 0x3e007c01, "bccl\t\t%b"},
  87   {0x08003801, 0x3e007c01, "bcnzl\t\t%b"},
  88   {0x00004000, 0x00007f00, "bcs!\t\t%b"},
  89   {0x00004100, 0x00007f00, "bcc!\t\t%b"},
  90   {0x00004e00, 0x00007f00, "bcnz!\t\t%b"},
  91   {0x08001000, 0x3e007c01, "beq\t\t%b"},
  92   {0x08001001, 0x3e007c01, "beql\t\t%b"},
  93   {0x00004400, 0x00007f00, "beq!\t\t%b"},
  94   {0x08000800, 0x3e007c01, "bgtu\t\t%b"},
  95   {0x08001800, 0x3e007c01, "bgt\t\t%b"},
  96   {0x08002000, 0x3e007c01, "bge\t\t%b"},
  97   {0x08000801, 0x3e007c01, "bgtul\t\t%b"},
  98   {0x08001801, 0x3e007c01, "bgtl\t\t%b"},
  99   {0x08002001, 0x3e007c01, "bgel\t\t%b"},
 100   {0x00004200, 0x00007f00, "bgtu!\t\t%b"},
 101   {0x00004600, 0x00007f00, "bgt!\t\t%b"},
 102   {0x00004800, 0x00007f00, "bge!\t\t%b"},
 103   {0x00000029, 0x3e0003ff, "bitclr.c\t%20-24r, %15-19r, 0x%10-14x"},
 104   {0x0000002b, 0x3e0003ff, "bitset.c\t%20-24r, %15-19r, 0x%10-14x"},
 105   {0x0000002d, 0x3e0003ff, "bittst.c\t%15-19r, 0x%10-14x"},
 106   {0x0000002f, 0x3e0003ff, "bittgl.c\t%20-24r, %15-19r, 0x%10-14x"},
 107   {0x00006004, 0x00007007, "bitclr!\t\t%8-11r, 0x%3-7x"},
 108   {0x3800000c, 0x3e0003ff, "bitrev\t\t%20-24r, %15-19r,%10-14r"},
 109   {0x00006005, 0x00007007, "bitset!\t\t%8-11r, 0x%3-7x"},
 110   {0x00006006, 0x00007007, "bittst!\t\t%8-11r, 0x%3-7x"},
 111   {0x00006007, 0x00007007, "bittgl!\t\t%8-11r, 0x%3-7x"},
 112   {0x08000c00, 0x3e007c01, "bleu\t\t%b"},
 113   {0x08001c00, 0x3e007c01, "ble\t\t%b"},
 114   {0x08002400, 0x3e007c01, "blt\t\t%b"},
 115   {0x08000c01, 0x3e007c01, "bleul\t\t%b"},
 116   {0x08001c01, 0x3e007c01, "blel\t\t%b"},
 117   {0x08002401, 0x3e007c01, "bltl\t\t%b"},
 118   {0x08003c01, 0x3e007c01, "bl\t\t%b"},
 119   {0x00004300, 0x00007f00, "bleu!\t\t%b"},
 120   {0x00004700, 0x00007f00, "ble!\t\t%b"},
 121   {0x00004900, 0x00007f00, "blt!\t\t%b"},
 122   {0x08002800, 0x3e007c01, "bmi\t\t%b"},
 123   {0x08002801, 0x3e007c01, "bmil\t\t%b"},
 124   {0x00004a00, 0x00007f00, "bmi!\t\t%b"},
 125   {0x08001400, 0x3e007c01, "bne\t\t%b"},
 126   {0x08001401, 0x3e007c01, "bnel\t\t%b"},
 127   {0x00004500, 0x00007f00, "bne!\t\t%b"},
 128   {0x08002c00, 0x3e007c01, "bpl\t\t%b"},
 129   {0x08002c01, 0x3e007c01, "bpll\t\t%b"},
 130   {0x00004b00, 0x00007f00, "bpl!\t\t%b"},
 131   {0x00000008, 0x3e007fff, "brcs\t\t%15-19r"},
 132   {0x00000408, 0x3e007fff, "brcc\t\t%15-19r"},
 133   {0x00000808, 0x3e007fff, "brgtu\t\t%15-19r"},
 134   {0x00000c08, 0x3e007fff, "brleu\t\t%15-19r"},
 135   {0x00001008, 0x3e007fff, "breq\t\t%15-19r"},
 136   {0x00001408, 0x3e007fff, "brne\t\t%15-19r"},
 137   {0x00001808, 0x3e007fff, "brgt\t\t%15-19r"},
 138   {0x00001c08, 0x3e007fff, "brle\t\t%15-19r"},
 139   {0x00002008, 0x3e007fff, "brge\t\t%15-19r"},
 140   {0x00002408, 0x3e007fff, "brlt\t\t%15-19r"},
 141   {0x00002808, 0x3e007fff, "brmi\t\t%15-19r"},
 142   {0x00002c08, 0x3e007fff, "brpl\t\t%15-19r"},
 143   {0x00003008, 0x3e007fff, "brvs\t\t%15-19r"},
 144   {0x00003408, 0x3e007fff, "brvc\t\t%15-19r"},
 145   {0x00003808, 0x3e007fff, "brcnz\t\t%15-19r"},
 146   {0x00003c08, 0x3e007fff, "br\t\t%15-19r"},
 147   {0x00000009, 0x3e007fff, "brcsl\t\t%15-19r"},
 148   {0x00000409, 0x3e007fff, "brccl\t\t%15-19r"},
 149   {0x00000809, 0x3e007fff, "brgtul\t\t%15-19r"},
 150   {0x00000c09, 0x3e007fff, "brleul\t\t%15-19r"},
 151   {0x00001009, 0x3e007fff, "breql\t\t%15-19r"},
 152   {0x00001409, 0x3e007fff, "brnel\t\t%15-19r"},
 153   {0x00001809, 0x3e007fff, "brgtl\t\t%15-19r"},
 154   {0x00001c09, 0x3e007fff, "brlel\t\t%15-19r"},
 155   {0x00002009, 0x3e007fff, "brgel\t\t%15-19r"},
 156   {0x00002409, 0x3e007fff, "brltl\t\t%15-19r"},
 157   {0x00002809, 0x3e007fff, "brmil\t\t%15-19r"},
 158   {0x00002c09, 0x3e007fff, "brpll\t\t%15-19r"},
 159   {0x00003009, 0x3e007fff, "brvsl\t\t%15-19r"},
 160   {0x00003409, 0x3e007fff, "brvcl\t\t%15-19r"},
 161   {0x00003809, 0x3e007fff, "brcnzl\t\t%15-19r"},
 162   {0x00003c09, 0x3e007fff, "brl\t\t%15-19r"},
 163   {0x00000004, 0x00007f0f, "brcs!\t\t%4-7r"},
 164   {0x00000104, 0x00007f0f, "brcc!\t\t%4-7r"},
 165   {0x00000204, 0x00007f0f, "brgtu!\t\t%4-7r"},
 166   {0x00000304, 0x00007f0f, "brleu!\t\t%4-7r"},
 167   {0x00000404, 0x00007f0f, "breq!\t\t%4-7r"},
 168   {0x00000504, 0x00007f0f, "brne!\t\t%4-7r"},
 169   {0x00000604, 0x00007f0f, "brgt!\t\t%4-7r"},
 170   {0x00000704, 0x00007f0f, "brle!\t\t%4-7r"},
 171   {0x00000804, 0x00007f0f, "brge!\t\t%4-7r"},
 172   {0x00000904, 0x00007f0f, "brlt!\t\t%4-7r"},
 173   {0x00000a04, 0x00007f0f, "brmi!\t\t%4-7r"},
 174   {0x00000b04, 0x00007f0f, "brpl!\t\t%4-7r"},
 175   {0x00000c04, 0x00007f0f, "brvs!\t\t%4-7r"},
 176   {0x00000d04, 0x00007f0f, "brvc!\t\t%4-7r"},
 177   {0x00000e04, 0x00007f0f, "brcnz!\t\t%4-7r"},
 178   {0x00000f04, 0x00007f0f, "br!\t\t%4-7r"},
 179   {0x0000000c, 0x00007f0f, "brcsl!\t\t%4-7r"},
 180   {0x0000010c, 0x00007f0f, "brccl!\t\t%4-7r"},
 181   {0x0000020c, 0x00007f0f, "brgtul!\t\t%4-7r"},
 182   {0x0000030c, 0x00007f0f, "brleul!\t\t%4-7r"},
 183   {0x0000040c, 0x00007f0f, "breql!\t\t%4-7r"},
 184   {0x0000050c, 0x00007f0f, "brnel!\t\t%4-7r"},
 185   {0x0000060c, 0x00007f0f, "brgtl!\t\t%4-7r"},
 186   {0x0000070c, 0x00007f0f, "brlel!\t\t%4-7r"},
 187   {0x0000080c, 0x00007f0f, "brgel!\t\t%4-7r"},
 188   {0x0000090c, 0x00007f0f, "brltl!\t\t%4-7r"},
 189   {0x00000a0c, 0x00007f0f, "brmil!\t\t%4-7r"},
 190   {0x00000b0c, 0x00007f0f, "brpll!\t\t%4-7r"},
 191   {0x00000c0c, 0x00007f0f, "brvsl!\t\t%4-7r"},
 192   {0x00000d0c, 0x00007f0f, "brvcl!\t\t%4-7r"},
 193   {0x00000e0c, 0x00007f0f, "brcnzl!\t\t%4-7r"},
 194   {0x00000f0c, 0x00007f0f, "brl!\t\t%4-7r"},
 195   {0x08003000, 0x3e007c01, "bvs\t\t%b"},
 196   {0x08003400, 0x3e007c01, "bvc\t\t%b"},
 197   {0x08003001, 0x3e007c01, "bvsl\t\t%b"},
 198   {0x08003401, 0x3e007c01, "bvcl\t\t%b"},
 199   {0x00004c00, 0x00007f00, "bvs!\t\t%b"},
 200   {0x00004d00, 0x00007f00, "bvc!\t\t%b"},
 201   {0x00004f00, 0x00007f00, "b!\t\t%b"},
 202   {0x08003c00, 0x3e007c01, "b\t\t%b"},
 203   {0x30000000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
 204   {0x30100000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
 205   {0x30200000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
 206   {0x30300000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
 207   {0x30400000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
 208   {0x30800000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
 209   {0x30900000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
 210   {0x30a00000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
 211   {0x30b00000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
 212   {0x30c00000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
 213   {0x30d00000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
 214   {0x30e00000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
 215   {0x31000000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
 216   {0x31100000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
 217   {0x31800000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
 218   {0x31a00000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
 219   {0x31b00000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
 220   {0x31c00000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
 221   {0x31d00000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
 222   {0x31e00000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
 223   {0x31f00000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
 224   {0x38000000, 0x3ff003ff, "mad\t\t%15-19r, %10-14r"},
 225   {0x38000020, 0x3ff003ff, "madu\t\t%15-19r, %10-14r"},
 226   {0x38000080, 0x3ff003ff, "mad.f\t\t%15-19r, %10-14r"},
 227   {0x38000001, 0x3ff003ff, "msb\t\t%15-19r, %10-14r"},
 228   {0x38000021, 0x3ff003ff, "msbu\t\t%15-19r, %10-14r"},
 229   {0x38000081, 0x3ff003ff, "msb.f\t\t%15-19r, %10-14r"},
 230   {0x38000102, 0x3ff003ff, "mazl\t\t%15-19r, %10-14r"},
 231   {0x38000182, 0x3ff003ff, "mazl.f\t\t%15-19r, %10-14r"},
 232   {0x38000002, 0x3ff003ff, "madl\t\t%15-19r, %10-14r"},
 233   {0x380000c2, 0x3ff003ff, "madl.fs\t\t%15-19r, %10-14r"},
 234   {0x38000303, 0x3ff003ff, "mazh\t\t%15-19r, %10-14r"},
 235   {0x38000383, 0x3ff003ff, "mazh.f\t\t%15-19r, %10-14r"},
 236   {0x38000203, 0x3ff003ff, "madh\t\t%15-19r, %10-14r"},
 237   {0x380002c3, 0x3ff003ff, "madh.fs\t\t%15-19r, %10-14r"},
 238   {0x38000007, 0x3e0003ff, "max\t\t%20-24r, %15-19r, %10-14r"},
 239   {0x38000006, 0x3e0003ff, "min\t\t%20-24r, %15-19r, %10-14r"},
 240   {0x38000104, 0x3ff003ff, "mszl\t\t%15-19r, %10-14r"},
 241   {0x38000184, 0x3ff003ff, "mszl.f\t\t%15-19r, %10-14r"},
 242   {0x38000004, 0x3ff003ff, "msbl\t\t%15-19r, %10-14r"},
 243   {0x380000c4, 0x3ff003ff, "msbl.fs\t\t%15-19r, %10-14r"},
 244   {0x38000305, 0x3ff003ff, "mszh\t\t%15-19r, %10-14r"},
 245   {0x38000385, 0x3ff003ff, "mszh.f\t\t%15-19r, %10-14r"},
 246   {0x38000205, 0x3ff003ff, "msbh\t\t%15-19r, %10-14r"},
 247   {0x380002c5, 0x3ff003ff, "msbh.fs\t\t%15-19r, %10-14r"},
 248   {0x3800004e, 0x3e0003ff, "sll.s\t\t%20-24r, %15-19r, %10-14r"},
 249   {0x38000049, 0x3e0003ff, "sub.s\t\t%20-24r, %15-19r, %10-14r"},
 250   {0x3800000d, 0x3e007fff, "clz\t\t%20-24r, %15-19r"},
 251   {0x38000000, 0x3e000000, "ceinst\t\t%20-24d, %15-19r, %10-14r, %5-9d, %0-4d"},
 252   {0x00000019, 0x3ff003ff, "cmpteq.c\t\t%15-19r, %10-14r"},
 253   {0x00100019, 0x3ff003ff, "cmptmi.c\t\t%15-19r, %10-14r"},
 254   {0x00300019, 0x3ff003ff, "cmp.c\t\t%15-19r, %10-14r"},
 255   {0x0000001b, 0x3ff07fff, "cmpzteq.c\t%15-19r"},
 256   {0x0010001b, 0x3ff07fff, "cmpztmi.c\t%15-19r"},
 257   {0x0030001b, 0x3ff07fff, "cmpz.c\t\t%15-19r"},
 258   {0x02040001, 0x3e0e0001, "cmpi.c\t\t%20-24r, %1-16i"},
 259   {0x00002003, 0x0000700f, "cmp!\t\t%8-11r, %4-7r"},
 260   {0x0c00000c, 0x3e00001f, "cop1\t\tc%20-24r, c%15-19r, c%10-14r, %5-9d"},
 261   {0x0c000014, 0x3e00001f, "cop2\t\tc%20-24r, c%15-19r, c%10-14r, %5-9d"},
 262   {0x0c00001c, 0x3e00001f, "cop3\t\tc%20-24r, c%15-19r, c%10-14r, %5-9d"},
 263   {0x00000044, 0x3e0003ff, "div\t\t%15-19r, %10-14r"},
 264   {0x00000046, 0x3e0003ff, "divu\t\t%15-19r, %10-14r"},
 265   {0x0c0000a4, 0x3e0003ff, "drte"},
 266   {0x00000058, 0x3e0003ff, "extsb\t\t%20-24r, %15-19r"},
 267   {0x00000059, 0x3e0003ff, "extsb.c\t\t%20-24r, %15-19r"},
 268   {0x0000005a, 0x3e0003ff, "extsh\t\t%20-24r, %15-19r"},
 269   {0x0000005b, 0x3e0003ff, "extsh.c\t\t%20-24r, %15-19r"},
 270   {0x0000005c, 0x3e0003ff, "extzb\t\t%20-24r, %15-19r"},
 271   {0x0000005d, 0x3e0003ff, "extzb.c\t\t%20-24r, %15-19r"},
 272   {0x0000005e, 0x3e0003ff, "extzh\t\t%20-24r, %15-19r"},
 273   {0x0000005f, 0x3e0003ff, "extzh.c\t\t%20-24r, %15-19r"},
 274   {0x04000001, 0x3e000001, "jl\t\t%j"},
 275   {0x00003001, 0x00007001, "jl!\t\t%j"},
 276   {0x00003000, 0x00007001, "j!\t\t%j"},
 277   {0x04000000, 0x3e000001, "j\t\t%j"},
 278   {0x26000000, 0x3e000000, "lb\t\t%20-24r, [%15-19r, %0-14i]"},
 279   {0x2c000000, 0x3e000000, "lbu\t\t%20-24r, [%15-19r, %0-14i]"},
 280   {0x06000003, 0x3e000007, "lb\t\t%20-24r, [%15-19r, %3-14i]+"},
 281   {0x06000006, 0x3e000007, "lbu\t\t%20-24r, [%15-19r, %3-14i]+"},
 282   {0x0e000003, 0x3e000007, "lb\t\t%20-24r, [%15-19r]+, %3-14i"},
 283   {0x0e000006, 0x3e000007, "lbu\t\t%20-24r, [%15-19r]+, %3-14i"},
 284   {0x0000200b, 0x0000700f, "lbu!\t\t%8-11r, [%4-7r]"},
 285   {0x00007003, 0x00007007, "lbup!\t\t%8-11r, %3-7d"},
 286   {0x00000060, 0x3e0003ff, "lcb\t\t[%15-19r]+"},
 287   {0x00000062, 0x3e0003ff, "lcw\t\t%20-24r, [%15-19r]+"},
 288   {0x00000066, 0x3e0003ff, "lce\t\t%20-24r, [%15-19r]+"},
 289   {0x0c00000a, 0x3e00001f, "ldc1\t\tc%15-19r, [%20-24r, %5-14i]"},
 290   {0x0c000012, 0x3e00001f, "ldc2\t\tc%15-19r, [%20-24r, %5-14i]"},
 291   {0x0c00001a, 0x3e00001f, "ldc3\t\tc%15-19r, [%20-24r, %5-14i]"},
 292   {0x22000000, 0x3e000000, "lh\t\t%20-24r, [%15-19r, %0-14i]"},
 293   {0x24000000, 0x3e000000, "lhu\t\t%20-24r, [%15-19r, %0-14i]"},
 294   {0x06000001, 0x3e000007, "lh\t\t%20-24r, [%15-19r, %3-14i]+"},
 295   {0x06000002, 0x3e000007, "lhu\t\t%20-24r, [%15-19r, %3-14i]+"},
 296   {0x0e000001, 0x3e000007, "lh\t\t%20-24r, [%15-19r]+, %3-14i"},
 297   {0x0e000002, 0x3e000007, "lhu\t\t%20-24r, [%15-19r]+, %3-14i"},
 298   {0x00002009, 0x0000700f, "lh!\t\t%8-11r, [%4-7r]"},
 299   {0x00007001, 0x00007007, "lhp!\t\t%8-11r, %3-7d1"},
 300   {0x020c0000, 0x3e0e0000, "ldi\t\t%20-24r, 0x%1-16x(%1-16i)"},
 301   {0x0a0c0000, 0x3e0e0000, "ldis\t\t%20-24r, 0x%1-16x(%1-16i)"},
 302   {0x00005000, 0x00007000, "ldiu!\t\t%8-11r, %0-7d"},
 303   {0x0000000c, 0x3e0003ff, "alw\t\t%20-24r, [%15-19r]"},
 304   {0x20000000, 0x3e000000, "lw\t\t%20-24r, [%15-19r, %0-14i]"},
 305   {0x06000000, 0x3e000007, "lw\t\t%20-24r, [%15-19r, %3-14i]+"},
 306   {0x0e000000, 0x3e000007, "lw\t\t%20-24r, [%15-19r]+, %3-14i"},
 307   {0x00002008, 0x0000700f, "lw!\t\t%8-11r, [%4-7r]"},
 308   {0x00007000, 0x00007007, "lwp!\t\t%8-11r, %3-7d2"},
 309   {0x0000100b, 0x0000700f, "madh.fs!\t\t%8-11r, %4-7r"},
 310   {0x0000100a, 0x0000700f, "madl.fs!\t\t%8-11r, %4-7r"},
 311   {0x00001005, 0x0000700f, "madu!\t\t%8-11r, %4-7r"},
 312   {0x00001004, 0x0000700f, "mad.f!\t\t%8-11r, %4-7r"},
 313   {0x00001009, 0x0000700f, "mazh.f!\t\t%8-11r, %4-7r"},
 314   {0x00001008, 0x0000700f, "mazl.f!\t\t%8-11r, %4-7r"},
 315   {0x00000448, 0x3e007fff, "mfcel\t\t%20-24r"},
 316   {0x00001001, 0x00007f0f, "mfcel!\t\t%4-7r"},
 317   {0x00000848, 0x3e007fff, "mfceh\t\t%20-24r"},
 318   {0x00001101, 0x00007f0f, "mfceh!\t\t%4-7r"},
 319   {0x00000c48, 0x3e007fff, "mfcehl\t\t%20-24r, %15-19r"},
 320   {0x00000048, 0x3e0003ff, "mfce\t\t%20-24r, er%10-14d"},
 321   {0x00000050, 0x3e0003ff, "mfsr\t\t%20-24r, sr%10-14d"},
 322   {0x0c000001, 0x3e00001f, "mfcr\t\t%20-24r, c%15-19r"},
 323   {0x0c000009, 0x3e00001f, "mfc1\t\t%20-24r, c%15-19r"},
 324   {0x0c000011, 0x3e00001f, "mfc2\t\t%20-24r, c%15-19r"},
 325   {0x0c000019, 0x3e00001f, "mfc3\t\t%20-24r, c%15-19r"},
 326   {0x0c00000f, 0x3e00001f, "mfcc1\t\t%20-24r, c%15-19r"},
 327   {0x0c000017, 0x3e00001f, "mfcc2\t\t%20-24r, c%15-19r"},
 328   {0x0c00001f, 0x3e00001f, "mfcc3\t\t%20-24r, c%15-19r"},
 329   {0x00000002, 0x0000700f, "mhfl!\t\t%8-11R, %4-7r"},
 330   {0x00000001, 0x0000700f, "mlfh!\t\t%8-11r, %4-7R"},
 331   {0x00001006, 0x0000700f, "msb.f!\t\t%8-11r, %4-7r"},
 332   {0x0000100f, 0x0000700f, "msbh.fs!\t\t%8-11r, %4-7r"},
 333   {0x0000100e, 0x0000700f, "msbl.fs!\t\t%8-11r, %4-7r"},
 334   {0x00001007, 0x0000700f, "msbu!\t\t%8-11r, %4-7r"},
 335   {0x0000100d, 0x0000700f, "mszh.f!\t\t%8-11r, %4-7r"},
 336   {0x0000100c, 0x0000700f, "mszl.f!\t\t%8-11r, %4-7r"},
 337   {0x0000044a, 0x3e007fff, "mtcel\t\t%20-24r"},
 338   {0x00001000, 0x00007f0f, "mtcel!\t\t%4-7r"},
 339   {0x0000084a, 0x3e007fff, "mtceh\t\t%20-24r"},
 340   {0x00001100, 0x00007f0f, "mtceh!\t\t%4-7r"},
 341   {0x00000c4a, 0x3e007fff, "mtcehl\t\t%20-24r, %15-19r"},
 342   {0x0000004a, 0x3e0003ff, "mtce\t\t%20-24r, er%10-14d"},
 343   {0x00000052, 0x3e0003ff, "mtsr\t\t%15-19r, sr%10-14d"},
 344   {0x0c000000, 0x3e00001f, "mtcr\t\t%20-24r, c%15-19r"},
 345   {0x0c000008, 0x3e00001f, "mtc1\t\t%20-24r, c%15-19r"},
 346   {0x0c000010, 0x3e00001f, "mtc2\t\t%20-24r, c%15-19r"},
 347   {0x0c000018, 0x3e00001f, "mtc3\t\t%20-24r, c%15-19r"},
 348   {0x0c00000e, 0x3e00001f, "mtcc1\t\t%20-24r, c%15-19r"},
 349   {0x0c000016, 0x3e00001f, "mtcc2\t\t%20-24r, c%15-19r"},
 350   {0x0c00001e, 0x3e00001f, "mtcc3\t\t%20-24r, c%15-19r"},
 351   {0x00000040, 0x3e0003ff, "mul\t\t%15-19r, %10-14r"},
 352   {0x00000040, 0x3e0003ff, "maz\t\t%15-19r, %10-14r"},
 353   {0x00000041, 0x3e0003ff, "mul.f\t\t%15-19r, %10-14r"},
 354   {0x00000041, 0x3e0003ff, "maz.f\t\t%15-19r, %10-14r"},
 355   {0x00001002, 0x0000700f, "mul.f!\t\t%8-11r, %4-7r"},
 356   {0x00000042, 0x3e0003ff, "mulu\t\t%15-19r, %10-14r"},
 357   {0x00000042, 0x3e0003ff, "mazu\t\t%15-19r, %10-14r"},
 358   {0x00001003, 0x0000700f, "mulu!\t\t%8-11r, %4-7r"},
 359   {0x00000056, 0x3e007fff, "mvcs\t\t%20-24r, %15-19r"},
 360   {0x00000456, 0x3e007fff, "mvcc\t\t%20-24r, %15-19r"},
 361   {0x00000856, 0x3e007fff, "mvgtu\t\t%20-24r, %15-19r"},
 362   {0x00000c56, 0x3e007fff, "mvleu\t\t%20-24r, %15-19r"},
 363   {0x00001056, 0x3e007fff, "mveq\t\t%20-24r, %15-19r"},
 364   {0x00001456, 0x3e007fff, "mvne\t\t%20-24r, %15-19r"},
 365   {0x00001856, 0x3e007fff, "mvgt\t\t%20-24r, %15-19r"},
 366   {0x00001c56, 0x3e007fff, "mvle\t\t%20-24r, %15-19r"},
 367   {0x00002056, 0x3e007fff, "mvge\t\t%20-24r, %15-19r"},
 368   {0x00002456, 0x3e007fff, "mvlt\t\t%20-24r, %15-19r"},
 369   {0x00002856, 0x3e007fff, "mvmi\t\t%20-24r, %15-19r"},
 370   {0x00002c56, 0x3e007fff, "mvpl\t\t%20-24r, %15-19r"},
 371   {0x00003056, 0x3e007fff, "mvvs\t\t%20-24r, %15-19r"},
 372   {0x00003456, 0x3e007fff, "mvvc\t\t%20-24r, %15-19r"},
 373   {0x00003c56, 0x3e007fff, "mv\t\t%20-24r, %15-19r"},
 374   {0x00000003, 0x0000700f, "mv!\t\t%8-11r, %4-7r"},
 375   {0x0000001e, 0x3e0003ff, "neg\t\t%20-24r, %10-14r"},
 376   {0x0000001f, 0x3e0003ff, "neg.c\t\t%20-24r, %10-14r"},
 377   {0x00002002, 0x0000700f, "neg!\t\t%8-11r, %4-7r"},
 378   {0x00000000, 0x3e0003ff, "nop"},
 379   {0x00000024, 0x3e0003ff, "not\t\t%20-24r, %15-19r"},
 380   {0x00000025, 0x3e0003ff, "not.c\t\t%20-24r, %15-19r"},
 381   {0x00000000, 0x0000700f, "nop!"},
 382   {0x00002006, 0x0000700f, "not!\t\t%8-11r, %4-7r"},
 383   {0x00000022, 0x3e0003ff, "or\t\t%20-24r, %15-19r, %10-14r"},
 384   {0x00000023, 0x3e0003ff, "or.c\t\t%20-24r, %15-19r, %10-14r"},
 385   {0x020a0000, 0x3e0e0001, "ori\t\t%20-24r, 0x%1-16x"},
 386   {0x020a0001, 0x3e0e0001, "ori.c\t\t%20-24r, 0x%1-16x"},
 387   {0x0a0a0000, 0x3e0e0001, "oris\t\t%20-24r, 0x%1-16x"},
 388   {0x0a0a0001, 0x3e0e0001, "oris.c\t\t%20-24r, 0x%1-16x"},
 389   {0x1a000000, 0x3e000001, "orri\t\t%20-24r, %15-19r, 0x%1-14x"},
 390   {0x1a000001, 0x3e000001, "orri.c\t\t%20-24r, %15-19r, 0x%1-14x"},
 391   {0x00002005, 0x0000700f, "or!\t\t%8-11r, %4-7r"},
 392   {0x0000000a, 0x3e0003ff, "pflush"},
 393   {0x0000208a, 0x0000708f, "pop!\t\t%8-11R, [%4-6r]"},
 394   {0x0000200a, 0x0000700f, "pop!\t\t%8-11r, [%4-7r]"},
 395   {0x0000208e, 0x0000708f, "push!\t\t%8-11R, [%4-6r]"},
 396   {0x0000200e, 0x0000700f, "push!\t\t%8-11r, [%4-7r]"},
 397   {0x00000038, 0x3e0003ff, "ror\t\t%20-24r, %15-19r, %10-14r"},
 398   {0x00000039, 0x3e0003ff, "ror.c\t\t%20-24r, %15-19r, %10-14r"},
 399   {0x0000003b, 0x3e0003ff, "rorc.c\t\t%20-24r, %15-19r, %10-14r"},
 400   {0x0000003c, 0x3e0003ff, "rol\t\t%20-24r, %15-19r, %10-14r"},
 401   {0x0000003d, 0x3e0003ff, "rol.c\t\t%20-24r, %15-19r, %10-14r"},
 402   {0x0000003f, 0x3e0003ff, "rolc.c\t\t%20-24r, %15-19r, %10-14r"},
 403   {0x00000078, 0x3e0003ff, "rori\t\t%20-24r, %15-19r, %10-14d"},
 404   {0x00000079, 0x3e0003ff, "rori.c\t\t%20-24r, %15-19r, %10-14d"},
 405   {0x0000007b, 0x3e0003ff, "roric.c\t\t%20-24r, %15-19r, %10-14d"},
 406   {0x0000007c, 0x3e0003ff, "roli\t\t%20-24r, %15-19r, %10-14d"},
 407   {0x0000007d, 0x3e0003ff, "roli.c\t\t%20-24r, %15-19r, %10-14d"},
 408   {0x0000007f, 0x3e0003ff, "rolic.c\t\t%20-24r, %15-19r, %10-14d"},
 409   {0x0c000084, 0x3e0003ff, "rte"},
 410   {0x2e000000, 0x3e000000, "sb\t\t%20-24r, [%15-19r, %0-14i]"},
 411   {0x06000007, 0x3e000007, "sb\t\t%20-24r, [%15-19r, %3-14i]+"},
 412   {0x0e000007, 0x3e000007, "sb\t\t%20-24r, [%15-19r]+, %3-14i"},
 413   {0x0000200f, 0x0000700f, "sb!\t\t%8-11r, [%4-7r]"},
 414   {0x00007007, 0x00007007, "sbp!\t\t%8-11r, %3-7d"},
 415   {0x0000000e, 0x3e0003ff, "asw\t\t%20-24r, [%15-19r]"},
 416   {0x00000068, 0x3e0003ff, "scb\t\t%20-24r, [%15-19r]+"},
 417   {0x0000006a, 0x3e0003ff, "scw\t\t%20-24r, [%15-19r]+"},
 418   {0x0000006e, 0x3e0003ff, "sce\t\t[%15-19r]+"},
 419   {0x00000006, 0x3e0003ff, "sdbbp\t\t%15-19d"},
 420   {0x00006002, 0x00007007, "sdbbp!\t\t%3-7d"},
 421   {0x2a000000, 0x3e000000, "sh\t\t%20-24r, [%15-19r, %0-14i]"},
 422   {0x06000005, 0x3e000007, "sh\t\t%20-24r, [%15-19r, %3-14i]+"},
 423   {0x0e000005, 0x3e000007, "sh\t\t%20-24r, [%15-19r]+, %3-14i"},
 424   {0x0000200d, 0x0000700f, "sh!\t\t%8-11r, [%4-7r]"},
 425   {0x00007005, 0x00007007, "shp!\t\t%8-11r, %3-7d1"},
 426   {0x0c0000c4, 0x3e0003ff, "sleep"},
 427   {0x00000030, 0x3e0003ff, "sll\t\t%20-24r, %15-19r, %10-14r"},
 428   {0x00000031, 0x3e0003ff, "sll.c\t\t%20-24r, %15-19r, %10-14r"},
 429   {0x00000070, 0x3e0003ff, "slli\t\t%20-24r, %15-19r, %10-14d"},
 430   {0x00000071, 0x3e0003ff, "slli.c\t\t%20-24r, %15-19r, %10-14d"},
 431   {0x00000008, 0x0000700f, "sll!\t\t%8-11r, %4-7r"},
 432   {0x00006001, 0x00007007, "slli!\t\t%8-11r, %3-7d"},
 433   {0x00000034, 0x3e0003ff, "srl\t\t%20-24r, %15-19r, %10-14r"},
 434   {0x00000035, 0x3e0003ff, "srl.c\t\t%20-24r, %15-19r, %10-14r"},
 435   {0x00000036, 0x3e0003ff, "sra\t\t%20-24r, %15-19r, %10-14r"},
 436   {0x00000037, 0x3e0003ff, "sra.c\t\t%20-24r, %15-19r, %10-14r"},
 437   {0x00000074, 0x3e0003ff, "srli\t\t%20-24r, %15-19r, %10-14d"},
 438   {0x00000075, 0x3e0003ff, "srli.c\t\t%20-24r, %15-19r, %10-14d"},
 439   {0x00000076, 0x3e0003ff, "srai\t\t%20-24r, %15-19r, %10-14d"},
 440   {0x00000077, 0x3e0003ff, "srai.c\t\t%20-24r, %15-19r, %10-14d"},
 441   {0x0000000a, 0x0000700f, "srl!\t\t%8-11r, %4-7r"},
 442   {0x00006003, 0x00007007, "srli!\t\t%8-11r, %3-7d"},
 443   {0x0000000b, 0x0000700f, "sra!\t\t%8-11r, %4-7r"},
 444   {0x0c00000b, 0x3e00001f, "stc1\t\tc%15-19r, [%20-24r, %5-14i]"},
 445   {0x0c000013, 0x3e00001f, "stc2\t\tc%15-19r, [%20-24r, %5-14i]"},
 446   {0x0c00001b, 0x3e00001f, "stc3\t\tc%15-19r, [%20-24r, %5-14i]"},
 447   {0x00000014, 0x3e0003ff, "sub\t\t%20-24r, %15-19r, %10-14r"},
 448   {0x00000015, 0x3e0003ff, "sub.c\t\t%20-24r, %15-19r, %10-14r"},
 449   {0x00000016, 0x3e0003ff, "subc\t\t%20-24r, %15-19r, %10-14r"},
 450   {0x00000017, 0x3e0003ff, "subc.c\t\t%20-24r, %15-19r, %10-14r"},
 451   {0x00002001, 0x0000700f, "sub!\t\t%8-11r, %4-7r"},
 452   {0x00006080, 0x00007087, "subei!\t\t%8-11r, %3-6d"},
 453   {0x28000000, 0x3e000000, "sw\t\t%20-24r, [%15-19r, %0-14i]"},
 454   {0x06000004, 0x3e000007, "sw\t\t%20-24r, [%15-19r, %3-14i]+"},
 455   {0x0e000004, 0x3e000007, "sw\t\t%20-24r, [%15-19r]+, %3-14i"},
 456   {0x0000200c, 0x0000700f, "sw!\t\t%8-11r, [%4-7r]"},
 457   {0x00007004, 0x00007007, "swp!\t\t%8-11r, %3-7d2"},
 458   {0x00000002, 0x3e0003ff, "syscall\t\t%10-24d"},
 459   {0x00000054, 0x3e007fff, "tcs"},
 460   {0x00000454, 0x3e007fff, "tcc"},
 461   {0x00003854, 0x3e007fff, "tcnz"},
 462   {0x00000005, 0x00007f0f, "tcs!"},
 463   {0x00000105, 0x00007f0f, "tcc!"},
 464   {0x00000e05, 0x00007f0f, "tcnz!"},
 465   {0x00001054, 0x3e007fff, "teq"},
 466   {0x00000405, 0x00007f0f, "teq!"},
 467   {0x00000854, 0x3e007fff, "tgtu"},
 468   {0x00001854, 0x3e007fff, "tgt"},
 469   {0x00002054, 0x3e007fff, "tge"},
 470   {0x00000205, 0x00007f0f, "tgtu!"},
 471   {0x00000605, 0x00007f0f, "tgt!"},
 472   {0x00000805, 0x00007f0f, "tge!"},
 473   {0x00000c54, 0x3e007fff, "tleu"},
 474   {0x00001c54, 0x3e007fff, "tle"},
 475   {0x00002454, 0x3e007fff, "tlt"},
 476   {0x0c000004, 0x3e0003ff, "stlb"},
 477   {0x0c000024, 0x3e0003ff, "mftlb"},
 478   {0x0c000044, 0x3e0003ff, "mtptlb"},
 479   {0x0c000064, 0x3e0003ff, "mtrtlb"},
 480   {0x00000305, 0x00007f0f, "tleu!"},
 481   {0x00000705, 0x00007f0f, "tle!"},
 482   {0x00000905, 0x00007f0f, "tlt!"},
 483   {0x00002854, 0x3e007fff, "tmi"},
 484   {0x00000a05, 0x00007f0f, "tmi!"},
 485   {0x00001454, 0x3e007fff, "tne"},
 486   {0x00000505, 0x00007f0f, "tne!"},
 487   {0x00002c54, 0x3e007fff, "tpl"},
 488   {0x00000b05, 0x00007f0f, "tpl!"},
 489   {0x00000004, 0x3e007fff, "trapcs\t\t%15-19d"},
 490   {0x00000404, 0x3e007fff, "trapcc\t\t%15-19d"},
 491   {0x00000804, 0x3e007fff, "trapgtu\t\t%15-19d"},
 492   {0x00000c04, 0x3e007fff, "trapleu\t\t%15-19d"},
 493   {0x00001004, 0x3e007fff, "trapeq\t\t%15-19d"},
 494   {0x00001404, 0x3e007fff, "trapne\t\t%15-19d"},
 495   {0x00001804, 0x3e007fff, "trapgt\t\t%15-19d"},
 496   {0x00001c04, 0x3e007fff, "traple\t\t%15-19d"},
 497   {0x00002004, 0x3e007fff, "trapge\t\t%15-19d"},
 498   {0x00002404, 0x3e007fff, "traplt\t\t%15-19d"},
 499   {0x00002804, 0x3e007fff, "trapmi\t\t%15-19d"},
 500   {0x00002c04, 0x3e007fff, "trappl\t\t%15-19d"},
 501   {0x00003004, 0x3e007fff, "trapvs\t\t%15-19d"},
 502   {0x00003404, 0x3e007fff, "trapvc\t\t%15-19d"},
 503   {0x00003c04, 0x3e007fff, "trap\t\t%15-19d"},
 504   {0x00003c54, 0x3e007fff, "tset"},
 505   {0x00000f05, 0x00007f0f, "tset!"},
 506   {0x00003054, 0x3e007fff, "tvs"},
 507   {0x00003454, 0x3e007fff, "tvc"},
 508   {0x00000c05, 0x00007f0f, "tvs!"},
 509   {0x00000d05, 0x00007f0f, "tvc!"},
 510   {0x00000026, 0x3e0003ff, "xor\t\t%20-24r, %15-19r, %10-14r"},
 511   {0x00000027, 0x3e0003ff, "xor.c\t\t%20-24r, %15-19r, %10-14r"},
 512   {0x00002007, 0x0000700f, "xor!\t\t%8-11r, %4-7r"},
 513   { 0, 0, NULL }
 514 };
 515
 516 typedef struct
 517 {
 518   const char *name;
 519   const char *description;
 520   const char *reg_names[32];
 521 } score_regname;
 522
 523 static score_regname regnames[] =
 524 {
 525   {"gcc", "Select register names used by GCC",
 526   {"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10",
 527    "r11", "r12", "r13", "r14", "r15", "r16", "r17", "r18", "r19", "r20",
 528    "r21", "r22", "r23", "r24", "r25", "r26", "r27", "gp", "r29", "r30", "r31"}},
 529 };
 530
 531 static unsigned int regname_selected = 0;
 532
 533 #define NUM_SCORE_REGNAMES  NUM_ELEM (regnames)
 534 #define score_regnames      regnames[regname_selected].reg_names
 535
 536 /* s3_s7: opcodes and export prototypes.  */
 537 int
 538 s7_print_insn (bfd_vma pc, struct disassemble_info *info, bool little);
 539
 540 /* Print one instruction from PC on INFO->STREAM.
 541    Return the size of the instruction.  */
 542 static int
 543 print_insn_score32 (bfd_vma pc, struct disassemble_info *info, long given)
 544 {
 545   struct score_opcode *insn;
 546   void *stream = info->stream;
 547   fprintf_ftype func = info->fprintf_func;
 548
 549   for (insn = score_opcodes; insn->assembler; insn++)
 550     {
 551       if ((insn->mask & 0xffff0000) && (given & insn->mask) == insn->value)
 552         {
 553           char *c;
 554
 555           for (c = insn->assembler; *c; c++)
 556             {
 557               if (*c == '%')
 558                 {
 559                   switch (*++c)
 560                     {
 561                     case 'j':
 562                       {
 563                         int target;
 564
 565                         if (info->flags & INSN_HAS_RELOC)
 566                           pc = 0;
 567                         target = (pc & 0xfe000000) | (given & 0x01fffffe);
 568                         (*info->print_address_func) (target, info);
 569                       }
 570                       break;
 571                     case 'b':
 572                       {
 573                         /* Sign-extend a 20-bit number.  */
 574 #define SEXT20(x) ((((x) & 0xfffff) ^ (~ 0x7ffff)) + 0x80000)
 575                         int disp = (given & 0x01ff8000) >> 5 | (given & 0x3fe);
 576                         int target = (pc + SEXT20 (disp));
 577
 578                         (*info->print_address_func) (target, info);
 579                       }
 580                       break;
 581                     case '0':
 582                     case '1':
 583                     case '2':
 584                     case '3':
 585                     case '4':
 586                     case '5':
 587                     case '6':
 588                     case '7':
 589                     case '8':
 590                     case '9':
 591                       {
 592                         int bitstart = *c++ - '0';
 593                         int bitend = 0;
 594
 595                         while (*c >= '0' && *c <= '9')
 596                           bitstart = (bitstart * 10) + *c++ - '0';
 597
 598                         switch (*c)
 599                           {
 600                           case '-':
 601                             c++;
 602                             while (*c >= '0' && *c <= '9')
 603                               bitend = (bitend * 10) + *c++ - '0';
 604
 605                             if (!bitend)
 606                               abort ();
 607
 608                             switch (*c)
 609                               {
 610                               case 'r':
 611                                 {
 612                                   unsigned long reg;
 613
 614                                   reg = given >> bitstart;
 615                                   reg &= (2u << (bitend - bitstart)) - 1;
 616
 617                                   func (stream, "%s", score_regnames[reg]);
 618                                 }
 619                                 break;
 620                               case 'd':
 621                                 {
 622                                   unsigned long reg;
 623
 624                                   reg = given >> bitstart;
 625                                   reg &= (2u << (bitend - bitstart)) - 1;
 626
 627                                   func (stream, "%ld", reg);
 628                                 }
 629                                 break;
 630                               case 'i':
 631                                 {
 632                                   long reg;
 633
 634                                   reg = given >> bitstart;
 635                                   reg &= (2u << (bitend - bitstart)) - 1;
 636                                   reg = ((reg ^ (1 << (bitend - bitstart)))
 637                                          - (1 << (bitend - bitstart)));
 638
 639                                   if (((given & insn->mask) == 0x0c00000a)      /* ldc1  */
 640                                       || ((given & insn->mask) == 0x0c000012)   /* ldc2  */
 641                                       || ((given & insn->mask) == 0x0c00001c)   /* ldc3  */
 642                                       || ((given & insn->mask) == 0x0c00000b)   /* stc1  */
 643                                       || ((given & insn->mask) == 0x0c000013)   /* stc2  */
 644                                       || ((given & insn->mask) == 0x0c00001b))  /* stc3  */
 645                                     reg *= 4;
 646
 647                                   func (stream, "%ld", reg);
 648                                 }
 649                                 break;
 650                               case 'x':
 651                                 {
 652                                   unsigned long reg;
 653
 654                                   reg = given >> bitstart;
 655                                   reg &= (2u << (bitend - bitstart)) - 1;
 656
 657                                   func (stream, "%lx", reg);
 658                                 }
 659                                 break;
 660                               default:
 661                                 abort ();
 662                               }
 663                             break;
 664                           case '`':
 665                             c++;
 666                             if ((given & (1u << bitstart)) == 0)
 667                               func (stream, "%c", *c);
 668                             break;
 669                           case '\'':
 670                             c++;
 671                             if ((given & (1u << bitstart)) != 0)
 672                               func (stream, "%c", *c);
 673                             break;
 674                           default:
 675                             abort ();
 676                           }
 677                         break;
 678                       }
 679                     default:
 680                       abort ();
 681                     }
 682                 }
 683               else
 684                 func (stream, "%c", *c);
 685             }
 686           return 4;
 687         }
 688     }
 689
 690 #if (SCORE_SIMULATOR_ACTIVE)
 691   func (stream, _("<illegal instruction>"));
 692   return 4;
 693 #endif
 694
 695   abort ();
 696 }
 697
 698 static void
 699 print_insn_parallel_sym (struct disassemble_info *info)
 700 {
 701   void *stream = info->stream;
 702   fprintf_ftype func = info->fprintf_func;
 703
 704   /* 10:       0000            nop!
 705      4 space + 1 colon + 1 space + 1 tab + 8 opcode + 2 space + 1 tab.
 706      FIXME: the space number is not accurate.  */
 707   func (stream, "%s", " ||\n      \t          \t");
 708 }
 709
 710 /* Print one instruction from PC on INFO->STREAM.
 711    Return the size of the instruction.  */
 712 static int
 713 print_insn_score16 (bfd_vma pc, struct disassemble_info *info, long given)
 714 {
 715   struct score_opcode *insn;
 716   void *stream = info->stream;
 717   fprintf_ftype func = info->fprintf_func;
 718
 719   given &= 0xffff;
 720   for (insn = score_opcodes; insn->assembler; insn++)
 721     {
 722       if (!(insn->mask & 0xffff0000) && (given & insn->mask) == insn->value)
 723         {
 724           char *c = insn->assembler;
 725
 726           info->bytes_per_chunk = 2;
 727           info->bytes_per_line = 4;
 728           given &= 0xffff;
 729
 730           for (; *c; c++)
 731             {
 732               if (*c == '%')
 733                 {
 734                   switch (*++c)
 735                     {
 736
 737                     case 'j':
 738                       {
 739                         int target;
 740
 741                         if (info->flags & INSN_HAS_RELOC)
 742                           pc = 0;
 743
 744                         target = (pc & 0xfffff000) | (given & 0x00000ffe);
 745                         (*info->print_address_func) (target, info);
 746                       }
 747                       break;
 748                     case 'b':
 749                       {
 750                         /* Sign-extend a 9-bit number.  */
 751 #define SEXT9(x) ((((x) & 0x1ff) ^ (~ 0xff)) + 0x100)
 752                         int disp = (given & 0xff) << 1;
 753                         int target = (pc + SEXT9 (disp));
 754
 755                         (*info->print_address_func) (target, info);
 756                       }
 757                       break;
 758
 759                     case '0':
 760                     case '1':
 761                     case '2':
 762                     case '3':
 763                     case '4':
 764                     case '5':
 765                     case '6':
 766                     case '7':
 767                     case '8':
 768                     case '9':
 769                       {
 770                         int bitstart = *c++ - '0';
 771                         int bitend = 0;
 772
 773                         while (*c >= '0' && *c <= '9')
 774                           bitstart = (bitstart * 10) + *c++ - '0';
 775
 776                         switch (*c)
 777                           {
 778                           case '-':
 779                             {
 780                               long reg;
 781
 782                               c++;
 783                               while (*c >= '0' && *c <= '9')
 784                                 bitend = (bitend * 10) + *c++ - '0';
 785                               if (!bitend)
 786                                 abort ();
 787                               reg = given >> bitstart;
 788                               reg &= (2u << (bitend - bitstart)) - 1;
 789                               switch (*c)
 790                                 {
 791                                 case 'R':
 792                                   func (stream, "%s", score_regnames[reg + 16]);
 793                                   break;
 794                                 case 'r':
 795                                   func (stream, "%s", score_regnames[reg]);
 796                                   break;
 797                                 case 'd':
 798                                   if (*(c + 1) == '\0')
 799                                     func (stream, "%ld", reg);
 800                                   else
 801                                     {
 802                                       c++;
 803                                       if (*c == '1')
 804                                         func (stream, "%ld", reg << 1);
 805                                       else if (*c == '2')
 806                                         func (stream, "%ld", reg << 2);
 807                                     }
 808                                   break;
 809
 810                                 case 'x':
 811                                   if (*(c + 1) == '\0')
 812                                     func (stream, "%lx", reg);
 813                                   else
 814                                     {
 815                                       c++;
 816                                       if (*c == '1')
 817                                         func (stream, "%lx", reg << 1);
 818                                       else if (*c == '2')
 819                                         func (stream, "%lx", reg << 2);
 820                                     }
 821                                   break;
 822                                 case 'i':
 823                                   reg = ((reg ^ (1 << bitend)) - (1 << bitend));
 824                                   func (stream, "%ld", reg);
 825                                   break;
 826                                 default:
 827                                   abort ();
 828                                 }
 829                             }
 830                             break;
 831
 832                           case '\'':
 833                             c++;
 834                             if ((given & (1u << bitstart)) != 0)
 835                               func (stream, "%c", *c);
 836                             break;
 837                           default:
 838                             abort ();
 839                           }
 840                       }
 841                       break;
 842                     default:
 843                       abort ();
 844                     }
 845                 }
 846               else
 847                 func (stream, "%c", *c);
 848             }
 849
 850           return 2;
 851         }
 852     }
 853 #if (SCORE_SIMULATOR_ACTIVE)
 854   func (stream, _("<illegal instruction>"));
 855   return 2;
 856 #endif
 857   /* No match.  */
 858   abort ();
 859 }
 860
 861 /* s3_s7: exported functions.  */
 862
 863 /* NOTE: There are no checks in these routines that
 864    the relevant number of data bytes exist.  */
 865 int
 866 s7_print_insn (bfd_vma pc, struct disassemble_info *info, bool little)
 867 {
 868   unsigned char b[4];
 869   unsigned long given;
 870   long ridparity;
 871   int status;
 872   bool insn_pce_p = false;
 873   bool insn_16_p = false;
 874
 875   info->display_endian = little ? BFD_ENDIAN_LITTLE : BFD_ENDIAN_BIG;
 876
 877   if (pc & 0x2)
 878     {
 879       info->bytes_per_chunk = 2;
 880       status = info->read_memory_func (pc, (bfd_byte *) b, 2, info);
 881       b[3] = b[2] = 0;
 882       insn_16_p = true;
 883     }
 884   else
 885     {
 886       info->bytes_per_chunk = 4;
 887       status = info->read_memory_func (pc, (bfd_byte *) &b[0], 4, info);
 888       if (status != 0)
 889         {
 890           info->bytes_per_chunk = 2;
 891           status = info->read_memory_func (pc, (bfd_byte *) b, 2, info);
 892           b[3] = b[2] = 0;
 893           insn_16_p = true;
 894         }
 895     }
 896
 897   if (status != 0)
 898     {
 899       info->memory_error_func (status, pc, info);
 900       return -1;
 901     }
 902
 903   if (little)
 904     given = b[0] | b[1] << 8 | b[2] << 16 | (unsigned) b[3] << 24;
 905   else
 906     given = (unsigned) b[0] << 24 | b[1] << 16 | b[2] << 8 | b[3];
 907
 908   if ((given & 0x80008000) == 0x80008000)
 909     {
 910       insn_pce_p = false;
 911       insn_16_p = false;
 912     }
 913   else if ((given & 0x8000) == 0x8000)
 914     insn_pce_p = true;
 915   else
 916     insn_16_p = true;
 917
 918   /* 16 bit instruction.  */
 919   if (insn_16_p)
 920     {
 921       if (little)
 922         given = b[0] | (b[1] << 8);
 923       else
 924         given = (b[0] << 8) | b[1];
 925
 926       status = print_insn_score16 (pc, info, given);
 927     }
 928   /* pce instruction.  */
 929   else if (insn_pce_p)
 930     {
 931       long other;
 932
 933       other = given & 0xFFFF;
 934       given = (given & 0xFFFF0000) >> 16;
 935
 936       status = print_insn_score16 (pc, info, given);
 937       print_insn_parallel_sym (info);
 938       status += print_insn_score16 (pc, info, other);
 939       /* disassemble_bytes() will output 4 byte per chunk for pce
 940          instruction.  */
 941       info->bytes_per_chunk = 4;
 942     }
 943   /* 32 bit instruction.  */
 944   else
 945     {
 946       /* Get rid of parity.  */
 947       ridparity = (given & 0x7FFF);
 948       ridparity |= (given & 0x7FFF0000) >> 1;
 949       given = ridparity;
 950       status = print_insn_score32 (pc, info, given);
 951     }
 952
 953   return status;
 954 }