1/* Instruction printing code for Score
2   Copyright (C) 2009-2017 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 strneq
41#define strneq(a,b,n)    (strncmp ((a), (b), (n)) == 0)
42#endif
43
44#ifndef NUM_ELEM
45#define NUM_ELEM(a)     (sizeof (a) / sizeof (a)[0])
46#endif
47
48struct score_opcode
49{
50  unsigned long value;
51  unsigned long mask;            /* Recognise instruction if (op & mask) == value.  */
52  char *assembler;        /* Disassembly string.  */
53};
54
55/* Note: There is a partial ordering in this table - it must be searched from
56   the top to obtain a correct match.  */
57
58static struct score_opcode score_opcodes[] =
59{
60  /* Score Instructions.  */
61  {0x3800000a, 0x3e007fff, "abs\t\t%20-24r, %15-19r"},
62  {0x3800004b, 0x3e007fff, "abs.s\t\t%20-24r, %15-19r"},
63  {0x00000010, 0x3e0003ff, "add\t\t%20-24r, %15-19r, %10-14r"},
64  {0x00000011, 0x3e0003ff, "add.c\t\t%20-24r, %15-19r, %10-14r"},
65  {0x38000048, 0x3e0003ff, "add.s\t\t%20-24r, %15-19r, %10-14r"},
66  {0x00000012, 0x3e0003ff, "addc\t\t%20-24r, %15-19r, %10-14r"},
67  {0x00000013, 0x3e0003ff, "addc.c\t\t%20-24r, %15-19r, %10-14r"},
68  {0x02000000, 0x3e0e0001, "addi\t\t%20-24r, %1-16i"},
69  {0x02000001, 0x3e0e0001, "addi.c\t\t%20-24r, %1-16i"},
70  {0x0a000000, 0x3e0e0001, "addis\t\t%20-24r, %1-16d(0x%1-16x)"},
71  {0x0a000001, 0x3e0e0001, "addis.c\t\t%20-24r, %1-16d(0x%1-16x)"},
72  {0x10000000, 0x3e000001, "addri\t\t%20-24r, %15-19r, %1-14i"},
73  {0x10000001, 0x3e000001, "addri.c\t\t%20-24r, %15-19r, %1-14i"},
74  {0x00000009, 0x0000700f, "addc!\t\t%8-11r, %4-7r"},
75  {0x00002000, 0x0000700f, "add!\t\t%8-11r, %4-7r"},
76  {0x00006000, 0x00007087, "addei!\t\t%8-11r, %3-6d"},
77  {0x00000020, 0x3e0003ff, "and\t\t%20-24r, %15-19r, %10-14r"},
78  {0x00000021, 0x3e0003ff, "and.c\t\t%20-24r, %15-19r, %10-14r"},
79  {0x02080000, 0x3e0e0001, "andi\t\t%20-24r, 0x%1-16x"},
80  {0x02080001, 0x3e0e0001, "andi.c\t\t%20-24r, 0x%1-16x"},
81  {0x0a080000, 0x3e0e0001, "andis\t\t%20-24r, 0x%1-16x"},
82  {0x0a080001, 0x3e0e0001, "andis.c\t\t%20-24r, 0x%1-16x"},
83  {0x18000000, 0x3e000001, "andri\t\t%20-24r, %15-19r, 0x%1-14x"},
84  {0x18000001, 0x3e000001, "andri.c\t\t%20-24r, %15-19r,0x%1-14x"},
85  {0x00002004, 0x0000700f, "and!\t\t%8-11r, %4-7r"},
86  {0x08000000, 0x3e007c01, "bcs\t\t%b"},
87  {0x08000400, 0x3e007c01, "bcc\t\t%b"},
88  {0x08003800, 0x3e007c01, "bcnz\t\t%b"},
89  {0x08000001, 0x3e007c01, "bcsl\t\t%b"},
90  {0x08000401, 0x3e007c01, "bccl\t\t%b"},
91  {0x08003801, 0x3e007c01, "bcnzl\t\t%b"},
92  {0x00004000, 0x00007f00, "bcs!\t\t%b"},
93  {0x00004100, 0x00007f00, "bcc!\t\t%b"},
94  {0x00004e00, 0x00007f00, "bcnz!\t\t%b"},
95  {0x08001000, 0x3e007c01, "beq\t\t%b"},
96  {0x08001001, 0x3e007c01, "beql\t\t%b"},
97  {0x00004400, 0x00007f00, "beq!\t\t%b"},
98  {0x08000800, 0x3e007c01, "bgtu\t\t%b"},
99  {0x08001800, 0x3e007c01, "bgt\t\t%b"},
100  {0x08002000, 0x3e007c01, "bge\t\t%b"},
101  {0x08000801, 0x3e007c01, "bgtul\t\t%b"},
102  {0x08001801, 0x3e007c01, "bgtl\t\t%b"},
103  {0x08002001, 0x3e007c01, "bgel\t\t%b"},
104  {0x00004200, 0x00007f00, "bgtu!\t\t%b"},
105  {0x00004600, 0x00007f00, "bgt!\t\t%b"},
106  {0x00004800, 0x00007f00, "bge!\t\t%b"},
107  {0x00000029, 0x3e0003ff, "bitclr.c\t%20-24r, %15-19r, 0x%10-14x"},
108  {0x0000002b, 0x3e0003ff, "bitset.c\t%20-24r, %15-19r, 0x%10-14x"},
109  {0x0000002d, 0x3e0003ff, "bittst.c\t%15-19r, 0x%10-14x"},
110  {0x0000002f, 0x3e0003ff, "bittgl.c\t%20-24r, %15-19r, 0x%10-14x"},
111  {0x00006004, 0x00007007, "bitclr!\t\t%8-11r, 0x%3-7x"},
112  {0x3800000c, 0x3e0003ff, "bitrev\t\t%20-24r, %15-19r,%10-14r"},
113  {0x00006005, 0x00007007, "bitset!\t\t%8-11r, 0x%3-7x"},
114  {0x00006006, 0x00007007, "bittst!\t\t%8-11r, 0x%3-7x"},
115  {0x00006007, 0x00007007, "bittgl!\t\t%8-11r, 0x%3-7x"},
116  {0x08000c00, 0x3e007c01, "bleu\t\t%b"},
117  {0x08001c00, 0x3e007c01, "ble\t\t%b"},
118  {0x08002400, 0x3e007c01, "blt\t\t%b"},
119  {0x08000c01, 0x3e007c01, "bleul\t\t%b"},
120  {0x08001c01, 0x3e007c01, "blel\t\t%b"},
121  {0x08002401, 0x3e007c01, "bltl\t\t%b"},
122  {0x08003c01, 0x3e007c01, "bl\t\t%b"},
123  {0x00004300, 0x00007f00, "bleu!\t\t%b"},
124  {0x00004700, 0x00007f00, "ble!\t\t%b"},
125  {0x00004900, 0x00007f00, "blt!\t\t%b"},
126  {0x08002800, 0x3e007c01, "bmi\t\t%b"},
127  {0x08002801, 0x3e007c01, "bmil\t\t%b"},
128  {0x00004a00, 0x00007f00, "bmi!\t\t%b"},
129  {0x08001400, 0x3e007c01, "bne\t\t%b"},
130  {0x08001401, 0x3e007c01, "bnel\t\t%b"},
131  {0x00004500, 0x00007f00, "bne!\t\t%b"},
132  {0x08002c00, 0x3e007c01, "bpl\t\t%b"},
133  {0x08002c01, 0x3e007c01, "bpll\t\t%b"},
134  {0x00004b00, 0x00007f00, "bpl!\t\t%b"},
135  {0x00000008, 0x3e007fff, "brcs\t\t%15-19r"},
136  {0x00000408, 0x3e007fff, "brcc\t\t%15-19r"},
137  {0x00000808, 0x3e007fff, "brgtu\t\t%15-19r"},
138  {0x00000c08, 0x3e007fff, "brleu\t\t%15-19r"},
139  {0x00001008, 0x3e007fff, "breq\t\t%15-19r"},
140  {0x00001408, 0x3e007fff, "brne\t\t%15-19r"},
141  {0x00001808, 0x3e007fff, "brgt\t\t%15-19r"},
142  {0x00001c08, 0x3e007fff, "brle\t\t%15-19r"},
143  {0x00002008, 0x3e007fff, "brge\t\t%15-19r"},
144  {0x00002408, 0x3e007fff, "brlt\t\t%15-19r"},
145  {0x00002808, 0x3e007fff, "brmi\t\t%15-19r"},
146  {0x00002c08, 0x3e007fff, "brpl\t\t%15-19r"},
147  {0x00003008, 0x3e007fff, "brvs\t\t%15-19r"},
148  {0x00003408, 0x3e007fff, "brvc\t\t%15-19r"},
149  {0x00003808, 0x3e007fff, "brcnz\t\t%15-19r"},
150  {0x00003c08, 0x3e007fff, "br\t\t%15-19r"},
151  {0x00000009, 0x3e007fff, "brcsl\t\t%15-19r"},
152  {0x00000409, 0x3e007fff, "brccl\t\t%15-19r"},
153  {0x00000809, 0x3e007fff, "brgtul\t\t%15-19r"},
154  {0x00000c09, 0x3e007fff, "brleul\t\t%15-19r"},
155  {0x00001009, 0x3e007fff, "breql\t\t%15-19r"},
156  {0x00001409, 0x3e007fff, "brnel\t\t%15-19r"},
157  {0x00001809, 0x3e007fff, "brgtl\t\t%15-19r"},
158  {0x00001c09, 0x3e007fff, "brlel\t\t%15-19r"},
159  {0x00002009, 0x3e007fff, "brgel\t\t%15-19r"},
160  {0x00002409, 0x3e007fff, "brltl\t\t%15-19r"},
161  {0x00002809, 0x3e007fff, "brmil\t\t%15-19r"},
162  {0x00002c09, 0x3e007fff, "brpll\t\t%15-19r"},
163  {0x00003009, 0x3e007fff, "brvsl\t\t%15-19r"},
164  {0x00003409, 0x3e007fff, "brvcl\t\t%15-19r"},
165  {0x00003809, 0x3e007fff, "brcnzl\t\t%15-19r"},
166  {0x00003c09, 0x3e007fff, "brl\t\t%15-19r"},
167  {0x00000004, 0x00007f0f, "brcs!\t\t%4-7r"},
168  {0x00000104, 0x00007f0f, "brcc!\t\t%4-7r"},
169  {0x00000204, 0x00007f0f, "brgtu!\t\t%4-7r"},
170  {0x00000304, 0x00007f0f, "brleu!\t\t%4-7r"},
171  {0x00000404, 0x00007f0f, "breq!\t\t%4-7r"},
172  {0x00000504, 0x00007f0f, "brne!\t\t%4-7r"},
173  {0x00000604, 0x00007f0f, "brgt!\t\t%4-7r"},
174  {0x00000704, 0x00007f0f, "brle!\t\t%4-7r"},
175  {0x00000804, 0x00007f0f, "brge!\t\t%4-7r"},
176  {0x00000904, 0x00007f0f, "brlt!\t\t%4-7r"},
177  {0x00000a04, 0x00007f0f, "brmi!\t\t%4-7r"},
178  {0x00000b04, 0x00007f0f, "brpl!\t\t%4-7r"},
179  {0x00000c04, 0x00007f0f, "brvs!\t\t%4-7r"},
180  {0x00000d04, 0x00007f0f, "brvc!\t\t%4-7r"},
181  {0x00000e04, 0x00007f0f, "brcnz!\t\t%4-7r"},
182  {0x00000f04, 0x00007f0f, "br!\t\t%4-7r"},
183  {0x0000000c, 0x00007f0f, "brcsl!\t\t%4-7r"},
184  {0x0000010c, 0x00007f0f, "brccl!\t\t%4-7r"},
185  {0x0000020c, 0x00007f0f, "brgtul!\t\t%4-7r"},
186  {0x0000030c, 0x00007f0f, "brleul!\t\t%4-7r"},
187  {0x0000040c, 0x00007f0f, "breql!\t\t%4-7r"},
188  {0x0000050c, 0x00007f0f, "brnel!\t\t%4-7r"},
189  {0x0000060c, 0x00007f0f, "brgtl!\t\t%4-7r"},
190  {0x0000070c, 0x00007f0f, "brlel!\t\t%4-7r"},
191  {0x0000080c, 0x00007f0f, "brgel!\t\t%4-7r"},
192  {0x0000090c, 0x00007f0f, "brltl!\t\t%4-7r"},
193  {0x00000a0c, 0x00007f0f, "brmil!\t\t%4-7r"},
194  {0x00000b0c, 0x00007f0f, "brpll!\t\t%4-7r"},
195  {0x00000c0c, 0x00007f0f, "brvsl!\t\t%4-7r"},
196  {0x00000d0c, 0x00007f0f, "brvcl!\t\t%4-7r"},
197  {0x00000e0c, 0x00007f0f, "brcnzl!\t\t%4-7r"},
198  {0x00000f0c, 0x00007f0f, "brl!\t\t%4-7r"},
199  {0x08003000, 0x3e007c01, "bvs\t\t%b"},
200  {0x08003400, 0x3e007c01, "bvc\t\t%b"},
201  {0x08003001, 0x3e007c01, "bvsl\t\t%b"},
202  {0x08003401, 0x3e007c01, "bvcl\t\t%b"},
203  {0x00004c00, 0x00007f00, "bvs!\t\t%b"},
204  {0x00004d00, 0x00007f00, "bvc!\t\t%b"},
205  {0x00004f00, 0x00007f00, "b!\t\t%b"},
206  {0x08003c00, 0x3e007c01, "b\t\t%b"},
207  {0x30000000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
208  {0x30100000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
209  {0x30200000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
210  {0x30300000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
211  {0x30400000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
212  {0x30800000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
213  {0x30900000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
214  {0x30a00000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
215  {0x30b00000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
216  {0x30c00000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
217  {0x30d00000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
218  {0x30e00000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
219  {0x31000000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
220  {0x31100000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
221  {0x31800000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
222  {0x31a00000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
223  {0x31b00000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
224  {0x31c00000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
225  {0x31d00000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
226  {0x31e00000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
227  {0x31f00000, 0x3ff00000, "cache\t\t%20-24d, [%15-19r, %0-14i]"},
228  {0x38000000, 0x3ff003ff, "mad\t\t%15-19r, %10-14r"},
229  {0x38000020, 0x3ff003ff, "madu\t\t%15-19r, %10-14r"},
230  {0x38000080, 0x3ff003ff, "mad.f\t\t%15-19r, %10-14r"},
231  {0x38000001, 0x3ff003ff, "msb\t\t%15-19r, %10-14r"},
232  {0x38000021, 0x3ff003ff, "msbu\t\t%15-19r, %10-14r"},
233  {0x38000081, 0x3ff003ff, "msb.f\t\t%15-19r, %10-14r"},
234  {0x38000102, 0x3ff003ff, "mazl\t\t%15-19r, %10-14r"},
235  {0x38000182, 0x3ff003ff, "mazl.f\t\t%15-19r, %10-14r"},
236  {0x38000002, 0x3ff003ff, "madl\t\t%15-19r, %10-14r"},
237  {0x380000c2, 0x3ff003ff, "madl.fs\t\t%15-19r, %10-14r"},
238  {0x38000303, 0x3ff003ff, "mazh\t\t%15-19r, %10-14r"},
239  {0x38000383, 0x3ff003ff, "mazh.f\t\t%15-19r, %10-14r"},
240  {0x38000203, 0x3ff003ff, "madh\t\t%15-19r, %10-14r"},
241  {0x380002c3, 0x3ff003ff, "madh.fs\t\t%15-19r, %10-14r"},
242  {0x38000007, 0x3e0003ff, "max\t\t%20-24r, %15-19r, %10-14r"},
243  {0x38000006, 0x3e0003ff, "min\t\t%20-24r, %15-19r, %10-14r"},
244  {0x38000104, 0x3ff003ff, "mszl\t\t%15-19r, %10-14r"},
245  {0x38000184, 0x3ff003ff, "mszl.f\t\t%15-19r, %10-14r"},
246  {0x38000004, 0x3ff003ff, "msbl\t\t%15-19r, %10-14r"},
247  {0x380000c4, 0x3ff003ff, "msbl.fs\t\t%15-19r, %10-14r"},
248  {0x38000305, 0x3ff003ff, "mszh\t\t%15-19r, %10-14r"},
249  {0x38000385, 0x3ff003ff, "mszh.f\t\t%15-19r, %10-14r"},
250  {0x38000205, 0x3ff003ff, "msbh\t\t%15-19r, %10-14r"},
251  {0x380002c5, 0x3ff003ff, "msbh.fs\t\t%15-19r, %10-14r"},
252  {0x3800004e, 0x3e0003ff, "sll.s\t\t%20-24r, %15-19r, %10-14r"},
253  {0x38000049, 0x3e0003ff, "sub.s\t\t%20-24r, %15-19r, %10-14r"},
254  {0x3800000d, 0x3e007fff, "clz\t\t%20-24r, %15-19r"},
255  {0x38000000, 0x3e000000, "ceinst\t\t%20-24d, %15-19r, %10-14r, %5-9d, %0-4d"},
256  {0x00000019, 0x3ff003ff, "cmpteq.c\t\t%15-19r, %10-14r"},
257  {0x00100019, 0x3ff003ff, "cmptmi.c\t\t%15-19r, %10-14r"},
258  {0x00300019, 0x3ff003ff, "cmp.c\t\t%15-19r, %10-14r"},
259  {0x0000001b, 0x3ff07fff, "cmpzteq.c\t%15-19r"},
260  {0x0010001b, 0x3ff07fff, "cmpztmi.c\t%15-19r"},
261  {0x0030001b, 0x3ff07fff, "cmpz.c\t\t%15-19r"},
262  {0x02040001, 0x3e0e0001, "cmpi.c\t\t%20-24r, %1-16i"},
263  {0x00002003, 0x0000700f, "cmp!\t\t%8-11r, %4-7r"},
264  {0x0c00000c, 0x3e00001f, "cop1\t\tc%20-24r, c%15-19r, c%10-14r, %5-9d"},
265  {0x0c000014, 0x3e00001f, "cop2\t\tc%20-24r, c%15-19r, c%10-14r, %5-9d"},
266  {0x0c00001c, 0x3e00001f, "cop3\t\tc%20-24r, c%15-19r, c%10-14r, %5-9d"},
267  {0x00000044, 0x3e0003ff, "div\t\t%15-19r, %10-14r"},
268  {0x00000046, 0x3e0003ff, "divu\t\t%15-19r, %10-14r"},
269  {0x0c0000a4, 0x3e0003ff, "drte"},
270  {0x00000058, 0x3e0003ff, "extsb\t\t%20-24r, %15-19r"},
271  {0x00000059, 0x3e0003ff, "extsb.c\t\t%20-24r, %15-19r"},
272  {0x0000005a, 0x3e0003ff, "extsh\t\t%20-24r, %15-19r"},
273  {0x0000005b, 0x3e0003ff, "extsh.c\t\t%20-24r, %15-19r"},
274  {0x0000005c, 0x3e0003ff, "extzb\t\t%20-24r, %15-19r"},
275  {0x0000005d, 0x3e0003ff, "extzb.c\t\t%20-24r, %15-19r"},
276  {0x0000005e, 0x3e0003ff, "extzh\t\t%20-24r, %15-19r"},
277  {0x0000005f, 0x3e0003ff, "extzh.c\t\t%20-24r, %15-19r"},
278  {0x04000001, 0x3e000001, "jl\t\t%j"},
279  {0x00003001, 0x00007001, "jl!\t\t%j"},
280  {0x00003000, 0x00007001, "j!\t\t%j"},
281  {0x04000000, 0x3e000001, "j\t\t%j"},
282  {0x26000000, 0x3e000000, "lb\t\t%20-24r, [%15-19r, %0-14i]"},
283  {0x2c000000, 0x3e000000, "lbu\t\t%20-24r, [%15-19r, %0-14i]"},
284  {0x06000003, 0x3e000007, "lb\t\t%20-24r, [%15-19r, %3-14i]+"},
285  {0x06000006, 0x3e000007, "lbu\t\t%20-24r, [%15-19r, %3-14i]+"},
286  {0x0e000003, 0x3e000007, "lb\t\t%20-24r, [%15-19r]+, %3-14i"},
287  {0x0e000006, 0x3e000007, "lbu\t\t%20-24r, [%15-19r]+, %3-14i"},
288  {0x0000200b, 0x0000700f, "lbu!\t\t%8-11r, [%4-7r]"},
289  {0x00007003, 0x00007007, "lbup!\t\t%8-11r, %3-7d"},
290  {0x00000060, 0x3e0003ff, "lcb\t\t[%15-19r]+"},
291  {0x00000062, 0x3e0003ff, "lcw\t\t%20-24r, [%15-19r]+"},
292  {0x00000066, 0x3e0003ff, "lce\t\t%20-24r, [%15-19r]+"},
293  {0x0c00000a, 0x3e00001f, "ldc1\t\tc%15-19r, [%20-24r, %5-14i]"},
294  {0x0c000012, 0x3e00001f, "ldc2\t\tc%15-19r, [%20-24r, %5-14i]"},
295  {0x0c00001a, 0x3e00001f, "ldc3\t\tc%15-19r, [%20-24r, %5-14i]"},
296  {0x22000000, 0x3e000000, "lh\t\t%20-24r, [%15-19r, %0-14i]"},
297  {0x24000000, 0x3e000000, "lhu\t\t%20-24r, [%15-19r, %0-14i]"},
298  {0x06000001, 0x3e000007, "lh\t\t%20-24r, [%15-19r, %3-14i]+"},
299  {0x06000002, 0x3e000007, "lhu\t\t%20-24r, [%15-19r, %3-14i]+"},
300  {0x0e000001, 0x3e000007, "lh\t\t%20-24r, [%15-19r]+, %3-14i"},
301  {0x0e000002, 0x3e000007, "lhu\t\t%20-24r, [%15-19r]+, %3-14i"},
302  {0x00002009, 0x0000700f, "lh!\t\t%8-11r, [%4-7r]"},
303  {0x00007001, 0x00007007, "lhp!\t\t%8-11r, %3-7d1"},
304  {0x020c0000, 0x3e0e0000, "ldi\t\t%20-24r, 0x%1-16x(%1-16i)"},
305  {0x0a0c0000, 0x3e0e0000, "ldis\t\t%20-24r, 0x%1-16x(%1-16i)"},
306  {0x00005000, 0x00007000, "ldiu!\t\t%8-11r, %0-7d"},
307  {0x0000000c, 0x3e0003ff, "alw\t\t%20-24r, [%15-19r]"},
308  {0x20000000, 0x3e000000, "lw\t\t%20-24r, [%15-19r, %0-14i]"},
309  {0x06000000, 0x3e000007, "lw\t\t%20-24r, [%15-19r, %3-14i]+"},
310  {0x0e000000, 0x3e000007, "lw\t\t%20-24r, [%15-19r]+, %3-14i"},
311  {0x00002008, 0x0000700f, "lw!\t\t%8-11r, [%4-7r]"},
312  {0x00007000, 0x00007007, "lwp!\t\t%8-11r, %3-7d2"},
313  {0x0000100b, 0x0000700f, "madh.fs!\t\t%8-11r, %4-7r"},
314  {0x0000100a, 0x0000700f, "madl.fs!\t\t%8-11r, %4-7r"},
315  {0x00001005, 0x0000700f, "madu!\t\t%8-11r, %4-7r"},
316  {0x00001004, 0x0000700f, "mad.f!\t\t%8-11r, %4-7r"},
317  {0x00001009, 0x0000700f, "mazh.f!\t\t%8-11r, %4-7r"},
318  {0x00001008, 0x0000700f, "mazl.f!\t\t%8-11r, %4-7r"},
319  {0x00000448, 0x3e007fff, "mfcel\t\t%20-24r"},
320  {0x00001001, 0x00007f0f, "mfcel!\t\t%4-7r"},
321  {0x00000848, 0x3e007fff, "mfceh\t\t%20-24r"},
322  {0x00001101, 0x00007f0f, "mfceh!\t\t%4-7r"},
323  {0x00000c48, 0x3e007fff, "mfcehl\t\t%20-24r, %15-19r"},
324  {0x00000048, 0x3e0003ff, "mfce\t\t%20-24r, er%10-14d"},
325  {0x00000050, 0x3e0003ff, "mfsr\t\t%20-24r, sr%10-14d"},
326  {0x0c000001, 0x3e00001f, "mfcr\t\t%20-24r, c%15-19r"},
327  {0x0c000009, 0x3e00001f, "mfc1\t\t%20-24r, c%15-19r"},
328  {0x0c000011, 0x3e00001f, "mfc2\t\t%20-24r, c%15-19r"},
329  {0x0c000019, 0x3e00001f, "mfc3\t\t%20-24r, c%15-19r"},
330  {0x0c00000f, 0x3e00001f, "mfcc1\t\t%20-24r, c%15-19r"},
331  {0x0c000017, 0x3e00001f, "mfcc2\t\t%20-24r, c%15-19r"},
332  {0x0c00001f, 0x3e00001f, "mfcc3\t\t%20-24r, c%15-19r"},
333  {0x00000002, 0x0000700f, "mhfl!\t\t%8-11R, %4-7r"},
334  {0x00000001, 0x0000700f, "mlfh!\t\t%8-11r, %4-7R"},
335  {0x00001006, 0x0000700f, "msb.f!\t\t%8-11r, %4-7r"},
336  {0x0000100f, 0x0000700f, "msbh.fs!\t\t%8-11r, %4-7r"},
337  {0x0000100e, 0x0000700f, "msbl.fs!\t\t%8-11r, %4-7r"},
338  {0x00001007, 0x0000700f, "msbu!\t\t%8-11r, %4-7r"},
339  {0x0000100d, 0x0000700f, "mszh.f!\t\t%8-11r, %4-7r"},
340  {0x0000100c, 0x0000700f, "mszl.f!\t\t%8-11r, %4-7r"},
341  {0x0000044a, 0x3e007fff, "mtcel\t\t%20-24r"},
342  {0x00001000, 0x00007f0f, "mtcel!\t\t%4-7r"},
343  {0x0000084a, 0x3e007fff, "mtceh\t\t%20-24r"},
344  {0x00001100, 0x00007f0f, "mtceh!\t\t%4-7r"},
345  {0x00000c4a, 0x3e007fff, "mtcehl\t\t%20-24r, %15-19r"},
346  {0x0000004a, 0x3e0003ff, "mtce\t\t%20-24r, er%10-14d"},
347  {0x00000052, 0x3e0003ff, "mtsr\t\t%15-19r, sr%10-14d"},
348  {0x0c000000, 0x3e00001f, "mtcr\t\t%20-24r, c%15-19r"},
349  {0x0c000008, 0x3e00001f, "mtc1\t\t%20-24r, c%15-19r"},
350  {0x0c000010, 0x3e00001f, "mtc2\t\t%20-24r, c%15-19r"},
351  {0x0c000018, 0x3e00001f, "mtc3\t\t%20-24r, c%15-19r"},
352  {0x0c00000e, 0x3e00001f, "mtcc1\t\t%20-24r, c%15-19r"},
353  {0x0c000016, 0x3e00001f, "mtcc2\t\t%20-24r, c%15-19r"},
354  {0x0c00001e, 0x3e00001f, "mtcc3\t\t%20-24r, c%15-19r"},
355  {0x00000040, 0x3e0003ff, "mul\t\t%15-19r, %10-14r"},
356  {0x00000040, 0x3e0003ff, "maz\t\t%15-19r, %10-14r"},
357  {0x00000041, 0x3e0003ff, "mul.f\t\t%15-19r, %10-14r"},
358  {0x00000041, 0x3e0003ff, "maz.f\t\t%15-19r, %10-14r"},
359  {0x00001002, 0x0000700f, "mul.f!\t\t%8-11r, %4-7r"},
360  {0x00000042, 0x3e0003ff, "mulu\t\t%15-19r, %10-14r"},
361  {0x00000042, 0x3e0003ff, "mazu\t\t%15-19r, %10-14r"},
362  {0x00001003, 0x0000700f, "mulu!\t\t%8-11r, %4-7r"},
363  {0x00000056, 0x3e007fff, "mvcs\t\t%20-24r, %15-19r"},
364  {0x00000456, 0x3e007fff, "mvcc\t\t%20-24r, %15-19r"},
365  {0x00000856, 0x3e007fff, "mvgtu\t\t%20-24r, %15-19r"},
366  {0x00000c56, 0x3e007fff, "mvleu\t\t%20-24r, %15-19r"},
367  {0x00001056, 0x3e007fff, "mveq\t\t%20-24r, %15-19r"},
368  {0x00001456, 0x3e007fff, "mvne\t\t%20-24r, %15-19r"},
369  {0x00001856, 0x3e007fff, "mvgt\t\t%20-24r, %15-19r"},
370  {0x00001c56, 0x3e007fff, "mvle\t\t%20-24r, %15-19r"},
371  {0x00002056, 0x3e007fff, "mvge\t\t%20-24r, %15-19r"},
372  {0x00002456, 0x3e007fff, "mvlt\t\t%20-24r, %15-19r"},
373  {0x00002856, 0x3e007fff, "mvmi\t\t%20-24r, %15-19r"},
374  {0x00002c56, 0x3e007fff, "mvpl\t\t%20-24r, %15-19r"},
375  {0x00003056, 0x3e007fff, "mvvs\t\t%20-24r, %15-19r"},
376  {0x00003456, 0x3e007fff, "mvvc\t\t%20-24r, %15-19r"},
377  {0x00003c56, 0x3e007fff, "mv\t\t%20-24r, %15-19r"},
378  {0x00000003, 0x0000700f, "mv!\t\t%8-11r, %4-7r"},
379  {0x0000001e, 0x3e0003ff, "neg\t\t%20-24r, %10-14r"},
380  {0x0000001f, 0x3e0003ff, "neg.c\t\t%20-24r, %10-14r"},
381  {0x00002002, 0x0000700f, "neg!\t\t%8-11r, %4-7r"},
382  {0x00000000, 0x3e0003ff, "nop"},
383  {0x00000024, 0x3e0003ff, "not\t\t%20-24r, %15-19r"},
384  {0x00000025, 0x3e0003ff, "not.c\t\t%20-24r, %15-19r"},
385  {0x00000000, 0x0000700f, "nop!"},
386  {0x00002006, 0x0000700f, "not!\t\t%8-11r, %4-7r"},
387  {0x00000022, 0x3e0003ff, "or\t\t%20-24r, %15-19r, %10-14r"},
388  {0x00000023, 0x3e0003ff, "or.c\t\t%20-24r, %15-19r, %10-14r"},
389  {0x020a0000, 0x3e0e0001, "ori\t\t%20-24r, 0x%1-16x"},
390  {0x020a0001, 0x3e0e0001, "ori.c\t\t%20-24r, 0x%1-16x"},
391  {0x0a0a0000, 0x3e0e0001, "oris\t\t%20-24r, 0x%1-16x"},
392  {0x0a0a0001, 0x3e0e0001, "oris.c\t\t%20-24r, 0x%1-16x"},
393  {0x1a000000, 0x3e000001, "orri\t\t%20-24r, %15-19r, 0x%1-14x"},
394  {0x1a000001, 0x3e000001, "orri.c\t\t%20-24r, %15-19r, 0x%1-14x"},
395  {0x00002005, 0x0000700f, "or!\t\t%8-11r, %4-7r"},
396  {0x0000000a, 0x3e0003ff, "pflush"},
397  {0x0000208a, 0x0000708f, "pop!\t\t%8-11R, [%4-6r]"},
398  {0x0000200a, 0x0000700f, "pop!\t\t%8-11r, [%4-7r]"},
399  {0x0000208e, 0x0000708f, "push!\t\t%8-11R, [%4-6r]"},
400  {0x0000200e, 0x0000700f, "push!\t\t%8-11r, [%4-7r]"},
401  {0x00000038, 0x3e0003ff, "ror\t\t%20-24r, %15-19r, %10-14r"},
402  {0x00000039, 0x3e0003ff, "ror.c\t\t%20-24r, %15-19r, %10-14r"},
403  {0x0000003b, 0x3e0003ff, "rorc.c\t\t%20-24r, %15-19r, %10-14r"},
404  {0x0000003c, 0x3e0003ff, "rol\t\t%20-24r, %15-19r, %10-14r"},
405  {0x0000003d, 0x3e0003ff, "rol.c\t\t%20-24r, %15-19r, %10-14r"},
406  {0x0000003f, 0x3e0003ff, "rolc.c\t\t%20-24r, %15-19r, %10-14r"},
407  {0x00000078, 0x3e0003ff, "rori\t\t%20-24r, %15-19r, %10-14d"},
408  {0x00000079, 0x3e0003ff, "rori.c\t\t%20-24r, %15-19r, %10-14d"},
409  {0x0000007b, 0x3e0003ff, "roric.c\t\t%20-24r, %15-19r, %10-14d"},
410  {0x0000007c, 0x3e0003ff, "roli\t\t%20-24r, %15-19r, %10-14d"},
411  {0x0000007d, 0x3e0003ff, "roli.c\t\t%20-24r, %15-19r, %10-14d"},
412  {0x0000007f, 0x3e0003ff, "rolic.c\t\t%20-24r, %15-19r, %10-14d"},
413  {0x0c000084, 0x3e0003ff, "rte"},
414  {0x2e000000, 0x3e000000, "sb\t\t%20-24r, [%15-19r, %0-14i]"},
415  {0x06000007, 0x3e000007, "sb\t\t%20-24r, [%15-19r, %3-14i]+"},
416  {0x0e000007, 0x3e000007, "sb\t\t%20-24r, [%15-19r]+, %3-14i"},
417  {0x0000200f, 0x0000700f, "sb!\t\t%8-11r, [%4-7r]"},
418  {0x00007007, 0x00007007, "sbp!\t\t%8-11r, %3-7d"},
419  {0x0000000e, 0x3e0003ff, "asw\t\t%20-24r, [%15-19r]"},
420  {0x00000068, 0x3e0003ff, "scb\t\t%20-24r, [%15-19r]+"},
421  {0x0000006a, 0x3e0003ff, "scw\t\t%20-24r, [%15-19r]+"},
422  {0x0000006e, 0x3e0003ff, "sce\t\t[%15-19r]+"},
423  {0x00000006, 0x3e0003ff, "sdbbp\t\t%15-19d"},
424  {0x00006002, 0x00007007, "sdbbp!\t\t%3-7d"},
425  {0x2a000000, 0x3e000000, "sh\t\t%20-24r, [%15-19r, %0-14i]"},
426  {0x06000005, 0x3e000007, "sh\t\t%20-24r, [%15-19r, %3-14i]+"},
427  {0x0e000005, 0x3e000007, "sh\t\t%20-24r, [%15-19r]+, %3-14i"},
428  {0x0000200d, 0x0000700f, "sh!\t\t%8-11r, [%4-7r]"},
429  {0x00007005, 0x00007007, "shp!\t\t%8-11r, %3-7d1"},
430  {0x0c0000c4, 0x3e0003ff, "sleep"},
431  {0x00000030, 0x3e0003ff, "sll\t\t%20-24r, %15-19r, %10-14r"},
432  {0x00000031, 0x3e0003ff, "sll.c\t\t%20-24r, %15-19r, %10-14r"},
433  {0x00000070, 0x3e0003ff, "slli\t\t%20-24r, %15-19r, %10-14d"},
434  {0x00000071, 0x3e0003ff, "slli.c\t\t%20-24r, %15-19r, %10-14d"},
435  {0x00000008, 0x0000700f, "sll!\t\t%8-11r, %4-7r"},
436  {0x00006001, 0x00007007, "slli!\t\t%8-11r, %3-7d"},
437  {0x00000034, 0x3e0003ff, "srl\t\t%20-24r, %15-19r, %10-14r"},
438  {0x00000035, 0x3e0003ff, "srl.c\t\t%20-24r, %15-19r, %10-14r"},
439  {0x00000036, 0x3e0003ff, "sra\t\t%20-24r, %15-19r, %10-14r"},
440  {0x00000037, 0x3e0003ff, "sra.c\t\t%20-24r, %15-19r, %10-14r"},
441  {0x00000074, 0x3e0003ff, "srli\t\t%20-24r, %15-19r, %10-14d"},
442  {0x00000075, 0x3e0003ff, "srli.c\t\t%20-24r, %15-19r, %10-14d"},
443  {0x00000076, 0x3e0003ff, "srai\t\t%20-24r, %15-19r, %10-14d"},
444  {0x00000077, 0x3e0003ff, "srai.c\t\t%20-24r, %15-19r, %10-14d"},
445  {0x0000000a, 0x0000700f, "srl!\t\t%8-11r, %4-7r"},
446  {0x00006003, 0x00007007, "srli!\t\t%8-11r, %3-7d"},
447  {0x0000000b, 0x0000700f, "sra!\t\t%8-11r, %4-7r"},
448  {0x0c00000b, 0x3e00001f, "stc1\t\tc%15-19r, [%20-24r, %5-14i]"},
449  {0x0c000013, 0x3e00001f, "stc2\t\tc%15-19r, [%20-24r, %5-14i]"},
450  {0x0c00001b, 0x3e00001f, "stc3\t\tc%15-19r, [%20-24r, %5-14i]"},
451  {0x00000014, 0x3e0003ff, "sub\t\t%20-24r, %15-19r, %10-14r"},
452  {0x00000015, 0x3e0003ff, "sub.c\t\t%20-24r, %15-19r, %10-14r"},
453  {0x00000016, 0x3e0003ff, "subc\t\t%20-24r, %15-19r, %10-14r"},
454  {0x00000017, 0x3e0003ff, "subc.c\t\t%20-24r, %15-19r, %10-14r"},
455  {0x00002001, 0x0000700f, "sub!\t\t%8-11r, %4-7r"},
456  {0x00006080, 0x00007087, "subei!\t\t%8-11r, %3-6d"},
457  {0x28000000, 0x3e000000, "sw\t\t%20-24r, [%15-19r, %0-14i]"},
458  {0x06000004, 0x3e000007, "sw\t\t%20-24r, [%15-19r, %3-14i]+"},
459  {0x0e000004, 0x3e000007, "sw\t\t%20-24r, [%15-19r]+, %3-14i"},
460  {0x0000200c, 0x0000700f, "sw!\t\t%8-11r, [%4-7r]"},
461  {0x00007004, 0x00007007, "swp!\t\t%8-11r, %3-7d2"},
462  {0x00000002, 0x3e0003ff, "syscall\t\t%10-24d"},
463  {0x00000054, 0x3e007fff, "tcs"},
464  {0x00000454, 0x3e007fff, "tcc"},
465  {0x00003854, 0x3e007fff, "tcnz"},
466  {0x00000005, 0x00007f0f, "tcs!"},
467  {0x00000105, 0x00007f0f, "tcc!"},
468  {0x00000e05, 0x00007f0f, "tcnz!"},
469  {0x00001054, 0x3e007fff, "teq"},
470  {0x00000405, 0x00007f0f, "teq!"},
471  {0x00000854, 0x3e007fff, "tgtu"},
472  {0x00001854, 0x3e007fff, "tgt"},
473  {0x00002054, 0x3e007fff, "tge"},
474  {0x00000205, 0x00007f0f, "tgtu!"},
475  {0x00000605, 0x00007f0f, "tgt!"},
476  {0x00000805, 0x00007f0f, "tge!"},
477  {0x00000c54, 0x3e007fff, "tleu"},
478  {0x00001c54, 0x3e007fff, "tle"},
479  {0x00002454, 0x3e007fff, "tlt"},
480  {0x0c000004, 0x3e0003ff, "stlb"},
481  {0x0c000024, 0x3e0003ff, "mftlb"},
482  {0x0c000044, 0x3e0003ff, "mtptlb"},
483  {0x0c000064, 0x3e0003ff, "mtrtlb"},
484  {0x00000305, 0x00007f0f, "tleu!"},
485  {0x00000705, 0x00007f0f, "tle!"},
486  {0x00000905, 0x00007f0f, "tlt!"},
487  {0x00002854, 0x3e007fff, "tmi"},
488  {0x00000a05, 0x00007f0f, "tmi!"},
489  {0x00001454, 0x3e007fff, "tne"},
490  {0x00000505, 0x00007f0f, "tne!"},
491  {0x00002c54, 0x3e007fff, "tpl"},
492  {0x00000b05, 0x00007f0f, "tpl!"},
493  {0x00000004, 0x3e007fff, "trapcs\t\t%15-19d"},
494  {0x00000404, 0x3e007fff, "trapcc\t\t%15-19d"},
495  {0x00000804, 0x3e007fff, "trapgtu\t\t%15-19d"},
496  {0x00000c04, 0x3e007fff, "trapleu\t\t%15-19d"},
497  {0x00001004, 0x3e007fff, "trapeq\t\t%15-19d"},
498  {0x00001404, 0x3e007fff, "trapne\t\t%15-19d"},
499  {0x00001804, 0x3e007fff, "trapgt\t\t%15-19d"},
500  {0x00001c04, 0x3e007fff, "traple\t\t%15-19d"},
501  {0x00002004, 0x3e007fff, "trapge\t\t%15-19d"},
502  {0x00002404, 0x3e007fff, "traplt\t\t%15-19d"},
503  {0x00002804, 0x3e007fff, "trapmi\t\t%15-19d"},
504  {0x00002c04, 0x3e007fff, "trappl\t\t%15-19d"},
505  {0x00003004, 0x3e007fff, "trapvs\t\t%15-19d"},
506  {0x00003404, 0x3e007fff, "trapvc\t\t%15-19d"},
507  {0x00003c04, 0x3e007fff, "trap\t\t%15-19d"},
508  {0x00003c54, 0x3e007fff, "tset"},
509  {0x00000f05, 0x00007f0f, "tset!"},
510  {0x00003054, 0x3e007fff, "tvs"},
511  {0x00003454, 0x3e007fff, "tvc"},
512  {0x00000c05, 0x00007f0f, "tvs!"},
513  {0x00000d05, 0x00007f0f, "tvc!"},
514  {0x00000026, 0x3e0003ff, "xor\t\t%20-24r, %15-19r, %10-14r"},
515  {0x00000027, 0x3e0003ff, "xor.c\t\t%20-24r, %15-19r, %10-14r"},
516  {0x00002007, 0x0000700f, "xor!\t\t%8-11r, %4-7r"}
517};
518
519typedef struct
520{
521  const char *name;
522  const char *description;
523  const char *reg_names[32];
524} score_regname;
525
526static score_regname regnames[] =
527{
528  {"gcc", "Select register names used by GCC",
529  {"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10",
530   "r11", "r12", "r13", "r14", "r15", "r16", "r17", "r18", "r19", "r20",
531   "r21", "r22", "r23", "r24", "r25", "r26", "r27", "gp", "r29", "r30", "r31"}},
532};
533
534static unsigned int regname_selected = 0;
535
536#define NUM_SCORE_REGNAMES  NUM_ELEM (regnames)
537#define score_regnames      regnames[regname_selected].reg_names
538
539/* s3_s7: opcodes and export prototypes.  */
540int
541s7_print_insn (bfd_vma pc, struct disassemble_info *info, bfd_boolean little);
542
543/* Print one instruction from PC on INFO->STREAM.
544   Return the size of the instruction.  */
545static int
546print_insn_score32 (bfd_vma pc, struct disassemble_info *info, long given)
547{
548  struct score_opcode *insn;
549  void *stream = info->stream;
550  fprintf_ftype func = info->fprintf_func;
551
552  for (insn = score_opcodes; insn->assembler; insn++)
553    {
554      if ((insn->mask & 0xffff0000) && (given & insn->mask) == insn->value)
555        {
556          char *c;
557
558          for (c = insn->assembler; *c; c++)
559            {
560              if (*c == '%')
561                {
562                  switch (*++c)
563                    {
564                    case 'j':
565                      {
566                        int target;
567
568                        if (info->flags & INSN_HAS_RELOC)
569                          pc = 0;
570                        target = (pc & 0xfe000000) | (given & 0x01fffffe);
571                        (*info->print_address_func) (target, info);
572                      }
573                      break;
574                    case 'b':
575                      {
576                        /* Sign-extend a 20-bit number.  */
577#define SEXT20(x)       ((((x) & 0xfffff) ^ (~ 0x7ffff)) + 0x80000)
578                        int disp = ((given & 0x01ff8000) >> 5) | (given & 0x3fe);
579                        int target = (pc + SEXT20 (disp));
580
581                        (*info->print_address_func) (target, info);
582                      }
583                      break;
584                    case '0':
585                    case '1':
586                    case '2':
587                    case '3':
588                    case '4':
589                    case '5':
590                    case '6':
591                    case '7':
592                    case '8':
593                    case '9':
594                      {
595                        int bitstart = *c++ - '0';
596                        int bitend = 0;
597
598                        while (*c >= '0' && *c <= '9')
599                          bitstart = (bitstart * 10) + *c++ - '0';
600
601                        switch (*c)
602                          {
603                          case '-':
604                            c++;
605                            while (*c >= '0' && *c <= '9')
606                              bitend = (bitend * 10) + *c++ - '0';
607
608                            if (!bitend)
609                              abort ();
610
611                            switch (*c)
612                              {
613                              case 'r':
614                                {
615                                  long reg;
616
617                                  reg = given >> bitstart;
618                                  reg &= (2 << (bitend - bitstart)) - 1;
619
620                                  func (stream, "%s", score_regnames[reg]);
621                                }
622                                break;
623                              case 'd':
624                                {
625                                  long reg;
626
627                                  reg = given >> bitstart;
628                                  reg &= (2 << (bitend - bitstart)) - 1;
629
630                                  func (stream, "%ld", reg);
631                                }
632                                break;
633                              case 'i':
634                                {
635                                  long reg;
636
637                                  reg = given >> bitstart;
638                                  reg &= (2 << (bitend - bitstart)) - 1;
639                                  reg = ((reg ^ (1 << (bitend - bitstart))) -
640                                        (1 << (bitend - bitstart)));
641
642                                  if (((given & insn->mask) == 0x0c00000a)      /* ldc1  */
643                                      || ((given & insn->mask) == 0x0c000012)   /* ldc2  */
644                                      || ((given & insn->mask) == 0x0c00001c)   /* ldc3  */
645                                      || ((given & insn->mask) == 0x0c00000b)   /* stc1  */
646                                      || ((given & insn->mask) == 0x0c000013)   /* stc2  */
647                                      || ((given & insn->mask) == 0x0c00001b))  /* stc3  */
648                                    reg <<= 2;
649
650                                  func (stream, "%ld", reg);
651                                }
652                                break;
653                              case 'x':
654                                {
655                                  long reg;
656
657                                  reg = given >> bitstart;
658                                  reg &= (2 << (bitend - bitstart)) - 1;
659
660                                  func (stream, "%lx", reg);
661                                }
662                                break;
663                              default:
664                                abort ();
665                              }
666                            break;
667                          case '`':
668                            c++;
669                            if ((given & (1 << bitstart)) == 0)
670                              func (stream, "%c", *c);
671                            break;
672                          case '\'':
673                            c++;
674                            if ((given & (1 << bitstart)) != 0)
675                              func (stream, "%c", *c);
676                            break;
677                          default:
678                            abort ();
679                          }
680                        break;
681                      }
682                    default:
683		      abort ();
684                    }
685                }
686              else
687                func (stream, "%c", *c);
688            }
689          return 4;
690        }
691    }
692
693#if (SCORE_SIMULATOR_ACTIVE)
694  func (stream, _("<illegal instruction>"));
695  return 4;
696#endif
697
698  abort ();
699}
700
701static void
702print_insn_parallel_sym (struct disassemble_info *info)
703{
704  void *stream = info->stream;
705  fprintf_ftype func = info->fprintf_func;
706
707  /* 10:       0000            nop!
708     4 space + 1 colon + 1 space + 1 tab + 8 opcode + 2 space + 1 tab.
709     FIXME: the space number is not accurate.  */
710  func (stream, "%s", " ||\n      \t          \t");
711}
712
713/* Print one instruction from PC on INFO->STREAM.
714   Return the size of the instruction.  */
715static int
716print_insn_score16 (bfd_vma pc, struct disassemble_info *info, long given)
717{
718  struct score_opcode *insn;
719  void *stream = info->stream;
720  fprintf_ftype func = info->fprintf_func;
721
722  given &= 0xffff;
723  for (insn = score_opcodes; insn->assembler; insn++)
724    {
725      if (!(insn->mask & 0xffff0000) && (given & insn->mask) == insn->value)
726        {
727          char *c = insn->assembler;
728
729          info->bytes_per_chunk = 2;
730          info->bytes_per_line = 4;
731          given &= 0xffff;
732
733          for (; *c; c++)
734            {
735              if (*c == '%')
736                {
737                  switch (*++c)
738                    {
739
740                    case 'j':
741                      {
742                        int target;
743
744                        if (info->flags & INSN_HAS_RELOC)
745                          pc = 0;
746
747                        target = (pc & 0xfffff000) | (given & 0x00000ffe);
748                        (*info->print_address_func) (target, info);
749                      }
750                      break;
751                    case 'b':
752                      {
753                        /* Sign-extend a 9-bit number.  */
754#define SEXT9(x)           ((((x) & 0x1ff) ^ (~ 0xff)) + 0x100)
755                        int disp = (given & 0xff) << 1;
756                        int target = (pc + SEXT9 (disp));
757
758                        (*info->print_address_func) (target, info);
759                      }
760                      break;
761
762                    case '0':
763                    case '1':
764                    case '2':
765                    case '3':
766                    case '4':
767                    case '5':
768                    case '6':
769                    case '7':
770                    case '8':
771                    case '9':
772                      {
773                        int bitstart = *c++ - '0';
774                        int bitend = 0;
775
776                        while (*c >= '0' && *c <= '9')
777                          bitstart = (bitstart * 10) + *c++ - '0';
778
779                        switch (*c)
780                          {
781                          case '-':
782                            {
783                              long reg;
784
785                              c++;
786                              while (*c >= '0' && *c <= '9')
787                                bitend = (bitend * 10) + *c++ - '0';
788                              if (!bitend)
789                                abort ();
790                              reg = given >> bitstart;
791                              reg &= (2 << (bitend - bitstart)) - 1;
792                              switch (*c)
793                                {
794                                case 'R':
795                                  func (stream, "%s", score_regnames[reg + 16]);
796                                  break;
797                                case 'r':
798                                  func (stream, "%s", score_regnames[reg]);
799                                  break;
800                                case 'd':
801                                  if (*(c + 1) == '\0')
802                                    func (stream, "%ld", reg);
803                                  else
804                                    {
805                                      c++;
806                                      if (*c == '1')
807                                        func (stream, "%ld", reg << 1);
808                                      else if (*c == '2')
809                                        func (stream, "%ld", reg << 2);
810                                    }
811                                  break;
812
813                                case 'x':
814                                  if (*(c + 1) == '\0')
815                                    func (stream, "%lx", reg);
816                                  else
817                                    {
818                                      c++;
819                                      if (*c == '1')
820                                        func (stream, "%lx", reg << 1);
821                                      else if (*c == '2')
822                                        func (stream, "%lx", reg << 2);
823                                    }
824                                  break;
825                                case 'i':
826                                  reg = ((reg ^ (1 << bitend)) - (1 << bitend));
827                                  func (stream, "%ld", reg);
828                                  break;
829                                default:
830                                  abort ();
831                                }
832                            }
833                            break;
834
835                          case '\'':
836                            c++;
837                            if ((given & (1 << bitstart)) != 0)
838                              func (stream, "%c", *c);
839                            break;
840                          default:
841                            abort ();
842                          }
843                      }
844                      break;
845                    default:
846                      abort ();
847                    }
848                }
849              else
850                func (stream, "%c", *c);
851            }
852
853          return 2;
854        }
855    }
856#if (SCORE_SIMULATOR_ACTIVE)
857  func (stream, _("<illegal instruction>"));
858  return 2;
859#endif
860  /* No match.  */
861  abort ();
862}
863
864/*****************************************************************************/
865/* s3_s7: exported functions.  */
866
867/* NOTE: There are no checks in these routines that
868   the relevant number of data bytes exist.  */
869int
870s7_print_insn (bfd_vma pc, struct disassemble_info *info, bfd_boolean little)
871{
872  unsigned char b[4];
873  long given;
874  long ridparity;
875  int status;
876  bfd_boolean insn_pce_p = FALSE;
877  bfd_boolean insn_16_p = FALSE;
878
879  info->display_endian = little ? BFD_ENDIAN_LITTLE : BFD_ENDIAN_BIG;
880
881  if (pc & 0x2)
882    {
883      info->bytes_per_chunk = 2;
884      status = info->read_memory_func (pc, (bfd_byte *) b, 2, info);
885      b[3] = b[2] = 0;
886      insn_16_p = TRUE;
887    }
888  else
889    {
890      info->bytes_per_chunk = 4;
891      status = info->read_memory_func (pc, (bfd_byte *) & b[0], 4, info);
892      if (status != 0)
893        {
894          info->bytes_per_chunk = 2;
895          status = info->read_memory_func (pc, (bfd_byte *) b, 2, info);
896          b[3] = b[2] = 0;
897          insn_16_p = TRUE;
898        }
899    }
900
901  if (status != 0)
902    {
903      info->memory_error_func (status, pc, info);
904      return -1;
905    }
906
907  if (little)
908    {
909      given = (b[0]) | (b[1] << 8) | (b[2] << 16) | (b[3] << 24);
910    }
911  else
912    {
913      given = (b[0] << 24) | (b[1] << 16) | (b[2] << 8) | (b[3]);
914    }
915
916  if ((given & 0x80008000) == 0x80008000)
917    {
918      insn_pce_p = FALSE;
919      insn_16_p = FALSE;
920    }
921  else if ((given & 0x8000) == 0x8000)
922    {
923      insn_pce_p = TRUE;
924    }
925  else
926    {
927      insn_16_p = TRUE;
928    }
929
930  /* 16 bit instruction.  */
931  if (insn_16_p)
932    {
933      if (little)
934        {
935          given = b[0] | (b[1] << 8);
936        }
937      else
938        {
939          given = (b[0] << 8) | b[1];
940        }
941
942      status = print_insn_score16 (pc, info, given);
943    }
944  /* pce instruction.  */
945  else if (insn_pce_p)
946    {
947      long other;
948
949      other = given & 0xFFFF;
950      given = (given & 0xFFFF0000) >> 16;
951
952      status = print_insn_score16 (pc, info, given);
953      print_insn_parallel_sym (info);
954      status += print_insn_score16 (pc, info, other);
955      /* disassemble_bytes() will output 4 byte per chunk for pce instructio.  */
956      info->bytes_per_chunk = 4;
957    }
958  /* 32 bit instruction.  */
959  else
960    {
961      /* Get rid of parity.  */
962      ridparity = (given & 0x7FFF);
963      ridparity |= (given & 0x7FFF0000) >> 1;
964      given = ridparity;
965      status = print_insn_score32 (pc, info, given);
966    }
967
968  return status;
969}
970
971/*****************************************************************************/
972