1 /* Replace functions for the ARC relocs.
2    Copyright (C) 2015-2016 Free Software Foundation, Inc.
3 
4    This file is part of GAS, the GNU Assembler, GDB, the GNU debugger, and
5    the GNU Binutils.
6 
7    GAS/GDB 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 3, or (at your option)
10    any later version.
11 
12    GAS/GDB 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 GAS or GDB; see the file COPYING3.  If not, write to
19    the Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
20    MA 02110-1301, USA.  */
21 
22 /* mask  = 00000000000000000000000000000000.  */
23 #ifndef REPLACE_none
24 #define REPLACE_none
25 ATTRIBUTE_UNUSED static unsigned
replace_none(unsigned insn,int value ATTRIBUTE_UNUSED)26 replace_none (unsigned insn, int value ATTRIBUTE_UNUSED)
27 {
28   insn = insn & ~0x00;
29 
30   return insn;
31 }
32 
33 #endif /* REPLACE_none */
34 
35 /* mask  = 11111111.  */
36 #ifndef REPLACE_bits8
37 #define REPLACE_bits8
38 ATTRIBUTE_UNUSED static unsigned
replace_bits8(unsigned insn,int value ATTRIBUTE_UNUSED)39 replace_bits8 (unsigned insn, int value ATTRIBUTE_UNUSED)
40 {
41   insn = insn & ~0xff;
42   insn |= ((value >> 0) & 0x00ff) << 0;
43 
44   return insn;
45 }
46 
47 #endif /* REPLACE_bits8 */
48 
49 /* mask  = 1111111111111111.  */
50 #ifndef REPLACE_bits16
51 #define REPLACE_bits16
52 ATTRIBUTE_UNUSED static unsigned
replace_bits16(unsigned insn,int value ATTRIBUTE_UNUSED)53 replace_bits16 (unsigned insn, int value ATTRIBUTE_UNUSED)
54 {
55   insn = insn & ~0xffff;
56   insn |= ((value >> 0) & 0xffff) << 0;
57 
58   return insn;
59 }
60 
61 #endif /* REPLACE_bits16 */
62 
63 /* mask  = 111111111111111111111111.  */
64 #ifndef REPLACE_bits24
65 #define REPLACE_bits24
66 ATTRIBUTE_UNUSED static unsigned
replace_bits24(unsigned insn,int value ATTRIBUTE_UNUSED)67 replace_bits24 (unsigned insn, int value ATTRIBUTE_UNUSED)
68 {
69   insn = insn & ~0xffffff;
70   insn |= ((value >> 0) & 0xffffff) << 0;
71 
72   return insn;
73 }
74 
75 #endif /* REPLACE_bits24 */
76 
77 /* Special 24 bit replace for big endian.  */
78 /* mask  = 111111111111111111111111.  */
79 #ifndef REPLACE_bits24_be
80 #define REPLACE_bits24_be
81 ATTRIBUTE_UNUSED static unsigned
replace_bits24_be(unsigned insn,int value ATTRIBUTE_UNUSED)82 replace_bits24_be (unsigned insn, int value ATTRIBUTE_UNUSED)
83 {
84   insn = insn & ~0xffffff00;
85   insn |= ((value >> 0) & 0xffffff) << 8;
86 
87   return insn;
88 }
89 
90 #endif /* REPLACE_bits24_be */
91 
92 /* mask  = 11111111111111111111111111111111.  */
93 #ifndef REPLACE_word32
94 #define REPLACE_word32
95 ATTRIBUTE_UNUSED static unsigned
replace_word32(unsigned insn,int value ATTRIBUTE_UNUSED)96 replace_word32 (unsigned insn, int value ATTRIBUTE_UNUSED)
97 {
98   insn = insn & ~0xffffffff;
99   insn |= ((value >> 0) & 0xffffffff) << 0;
100 
101   return insn;
102 }
103 
104 #endif /* REPLACE_word32 */
105 
106 /* mask  = 0000000000000000000000000000000011111111111111111111111111111111.  */
107 #ifndef REPLACE_limm
108 #define REPLACE_limm
109 ATTRIBUTE_UNUSED static unsigned
replace_limm(unsigned insn,int value ATTRIBUTE_UNUSED)110 replace_limm (unsigned insn, int value ATTRIBUTE_UNUSED)
111 {
112   insn = insn & ~0xffffffff;
113   insn |= ((value >> 0) & 0xffffffff) << 0;
114 
115   return insn;
116 }
117 
118 #endif /* REPLACE_limm */
119 
120 /* mask  = 000000000000000011111111111111111111111111111111.  */
121 #ifndef REPLACE_limms
122 #define REPLACE_limms
123 ATTRIBUTE_UNUSED static unsigned
replace_limms(unsigned insn,int value ATTRIBUTE_UNUSED)124 replace_limms (unsigned insn, int value ATTRIBUTE_UNUSED)
125 {
126   insn = insn & ~0xffffffff;
127   insn |= ((value >> 0) & 0xffffffff) << 0;
128 
129   return insn;
130 }
131 
132 #endif /* REPLACE_limms */
133 
134 /* mask  = 00000111111111102222222222000000.  */
135 #ifndef REPLACE_disp21h
136 #define REPLACE_disp21h
137 ATTRIBUTE_UNUSED static unsigned
replace_disp21h(unsigned insn,int value ATTRIBUTE_UNUSED)138 replace_disp21h (unsigned insn, int value ATTRIBUTE_UNUSED)
139 {
140   insn = insn & ~0x7feffc0;
141   insn |= ((value >> 0) & 0x03ff) << 17;
142   insn |= ((value >> 10) & 0x03ff) << 6;
143 
144   return insn;
145 }
146 
147 #endif /* REPLACE_disp21h */
148 
149 /* mask  = 00000111111111002222222222000000.  */
150 #ifndef REPLACE_disp21w
151 #define REPLACE_disp21w
152 ATTRIBUTE_UNUSED static unsigned
replace_disp21w(unsigned insn,int value ATTRIBUTE_UNUSED)153 replace_disp21w (unsigned insn, int value ATTRIBUTE_UNUSED)
154 {
155   insn = insn & ~0x7fcffc0;
156   insn |= ((value >> 0) & 0x01ff) << 18;
157   insn |= ((value >> 9) & 0x03ff) << 6;
158 
159   return insn;
160 }
161 
162 #endif /* REPLACE_disp21w */
163 
164 /* mask  = 00000111111111102222222222003333.  */
165 #ifndef REPLACE_disp25h
166 #define REPLACE_disp25h
167 ATTRIBUTE_UNUSED static unsigned
replace_disp25h(unsigned insn,int value ATTRIBUTE_UNUSED)168 replace_disp25h (unsigned insn, int value ATTRIBUTE_UNUSED)
169 {
170   insn = insn & ~0x7feffcf;
171   insn |= ((value >> 0) & 0x03ff) << 17;
172   insn |= ((value >> 10) & 0x03ff) << 6;
173   insn |= ((value >> 20) & 0x000f) << 0;
174 
175   return insn;
176 }
177 
178 #endif /* REPLACE_disp25h */
179 
180 /* mask  = 00000111111111002222222222003333.  */
181 #ifndef REPLACE_disp25w
182 #define REPLACE_disp25w
183 ATTRIBUTE_UNUSED static unsigned
replace_disp25w(unsigned insn,int value ATTRIBUTE_UNUSED)184 replace_disp25w (unsigned insn, int value ATTRIBUTE_UNUSED)
185 {
186   insn = insn & ~0x7fcffcf;
187   insn |= ((value >> 0) & 0x01ff) << 18;
188   insn |= ((value >> 9) & 0x03ff) << 6;
189   insn |= ((value >> 19) & 0x000f) << 0;
190 
191   return insn;
192 }
193 
194 #endif /* REPLACE_disp25w */
195 
196 /* mask  = 00000000000000000000000111111111.  */
197 #ifndef REPLACE_disp9
198 #define REPLACE_disp9
199 ATTRIBUTE_UNUSED static unsigned
replace_disp9(unsigned insn,int value ATTRIBUTE_UNUSED)200 replace_disp9 (unsigned insn, int value ATTRIBUTE_UNUSED)
201 {
202   insn = insn & ~0x1ff;
203   insn |= ((value >> 0) & 0x01ff) << 0;
204 
205   return insn;
206 }
207 
208 #endif /* REPLACE_disp9 */
209 
210 /* mask  = 00000000111111112000000000000000.  */
211 #ifndef REPLACE_disp9ls
212 #define REPLACE_disp9ls
213 ATTRIBUTE_UNUSED static unsigned
replace_disp9ls(unsigned insn,int value ATTRIBUTE_UNUSED)214 replace_disp9ls (unsigned insn, int value ATTRIBUTE_UNUSED)
215 {
216   insn = insn & ~0xff8000;
217   insn |= ((value >> 0) & 0x00ff) << 16;
218   insn |= ((value >> 8) & 0x0001) << 15;
219 
220   return insn;
221 }
222 
223 #endif /* REPLACE_disp9ls */
224 
225 /* mask  = 0000000111111111.  */
226 #ifndef REPLACE_disp9s
227 #define REPLACE_disp9s
228 ATTRIBUTE_UNUSED static unsigned
replace_disp9s(unsigned insn,int value ATTRIBUTE_UNUSED)229 replace_disp9s (unsigned insn, int value ATTRIBUTE_UNUSED)
230 {
231   insn = insn & ~0x1ff;
232   insn |= ((value >> 0) & 0x01ff) << 0;
233 
234   return insn;
235 }
236 
237 #endif /* REPLACE_disp9s */
238 
239 /* mask  = 0000011111111111.  */
240 #ifndef REPLACE_disp13s
241 #define REPLACE_disp13s
242 ATTRIBUTE_UNUSED static unsigned
replace_disp13s(unsigned insn,int value ATTRIBUTE_UNUSED)243 replace_disp13s (unsigned insn, int value ATTRIBUTE_UNUSED)
244 {
245   insn = insn & ~0x7ff;
246   insn |= ((value >> 0) & 0x07ff) << 0;
247 
248   return insn;
249 }
250 
251 #endif /* REPLACE_disp13s */
252 
253 /* mask  = 0000022222200111.  */
254 #ifndef REPLACE_disp9s1
255 #define REPLACE_disp9s1
256 ATTRIBUTE_UNUSED static unsigned
replace_disp9s1(unsigned insn,int value ATTRIBUTE_UNUSED)257 replace_disp9s1 (unsigned insn, int value ATTRIBUTE_UNUSED)
258 {
259   insn = insn & ~0x7e7;
260   insn |= ((value >> 0) & 0x0007) << 0;
261   insn |= ((value >> 3) & 0x003f) << 5;
262 
263   return insn;
264 }
265 
266 #endif /* REPLACE_disp9s1 */
267