/src/binutils-gdb/opcodes/lm32-desc.c
Line | Count | Source (jump to first uncovered line) |
1 | | /* DO NOT EDIT! -*- buffer-read-only: t -*- vi:set ro: */ |
2 | | /* CPU data for lm32. |
3 | | |
4 | | THIS FILE IS MACHINE GENERATED WITH CGEN. |
5 | | |
6 | | Copyright (C) 1996-2025 Free Software Foundation, Inc. |
7 | | |
8 | | This file is part of the GNU Binutils and/or GDB, the GNU debugger. |
9 | | |
10 | | This file 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 along |
21 | | with this program; if not, write to the Free Software Foundation, Inc., |
22 | | 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. |
23 | | |
24 | | */ |
25 | | |
26 | | #include "sysdep.h" |
27 | | #include <stdio.h> |
28 | | #include <stdarg.h> |
29 | | #include <stdlib.h> |
30 | | #include "ansidecl.h" |
31 | | #include "bfd.h" |
32 | | #include "symcat.h" |
33 | | #include "lm32-desc.h" |
34 | | #include "lm32-opc.h" |
35 | | #include "opintl.h" |
36 | | #include "libiberty.h" |
37 | | #include "xregex.h" |
38 | | |
39 | | /* Attributes. */ |
40 | | |
41 | | static const CGEN_ATTR_ENTRY bool_attr[] = |
42 | | { |
43 | | { "#f", 0 }, |
44 | | { "#t", 1 }, |
45 | | { 0, 0 } |
46 | | }; |
47 | | |
48 | | static const CGEN_ATTR_ENTRY MACH_attr[] ATTRIBUTE_UNUSED = |
49 | | { |
50 | | { "base", MACH_BASE }, |
51 | | { "lm32", MACH_LM32 }, |
52 | | { "max", MACH_MAX }, |
53 | | { 0, 0 } |
54 | | }; |
55 | | |
56 | | static const CGEN_ATTR_ENTRY ISA_attr[] ATTRIBUTE_UNUSED = |
57 | | { |
58 | | { "lm32", ISA_LM32 }, |
59 | | { "max", ISA_MAX }, |
60 | | { 0, 0 } |
61 | | }; |
62 | | |
63 | | const CGEN_ATTR_TABLE lm32_cgen_ifield_attr_table[] = |
64 | | { |
65 | | { "MACH", & MACH_attr[0], & MACH_attr[0] }, |
66 | | { "VIRTUAL", &bool_attr[0], &bool_attr[0] }, |
67 | | { "PCREL-ADDR", &bool_attr[0], &bool_attr[0] }, |
68 | | { "ABS-ADDR", &bool_attr[0], &bool_attr[0] }, |
69 | | { "RESERVED", &bool_attr[0], &bool_attr[0] }, |
70 | | { "SIGN-OPT", &bool_attr[0], &bool_attr[0] }, |
71 | | { "SIGNED", &bool_attr[0], &bool_attr[0] }, |
72 | | { 0, 0, 0 } |
73 | | }; |
74 | | |
75 | | const CGEN_ATTR_TABLE lm32_cgen_hardware_attr_table[] = |
76 | | { |
77 | | { "MACH", & MACH_attr[0], & MACH_attr[0] }, |
78 | | { "VIRTUAL", &bool_attr[0], &bool_attr[0] }, |
79 | | { "CACHE-ADDR", &bool_attr[0], &bool_attr[0] }, |
80 | | { "PC", &bool_attr[0], &bool_attr[0] }, |
81 | | { "PROFILE", &bool_attr[0], &bool_attr[0] }, |
82 | | { 0, 0, 0 } |
83 | | }; |
84 | | |
85 | | const CGEN_ATTR_TABLE lm32_cgen_operand_attr_table[] = |
86 | | { |
87 | | { "MACH", & MACH_attr[0], & MACH_attr[0] }, |
88 | | { "VIRTUAL", &bool_attr[0], &bool_attr[0] }, |
89 | | { "PCREL-ADDR", &bool_attr[0], &bool_attr[0] }, |
90 | | { "ABS-ADDR", &bool_attr[0], &bool_attr[0] }, |
91 | | { "SIGN-OPT", &bool_attr[0], &bool_attr[0] }, |
92 | | { "SIGNED", &bool_attr[0], &bool_attr[0] }, |
93 | | { "NEGATIVE", &bool_attr[0], &bool_attr[0] }, |
94 | | { "RELAX", &bool_attr[0], &bool_attr[0] }, |
95 | | { "SEM-ONLY", &bool_attr[0], &bool_attr[0] }, |
96 | | { 0, 0, 0 } |
97 | | }; |
98 | | |
99 | | const CGEN_ATTR_TABLE lm32_cgen_insn_attr_table[] = |
100 | | { |
101 | | { "MACH", & MACH_attr[0], & MACH_attr[0] }, |
102 | | { "ALIAS", &bool_attr[0], &bool_attr[0] }, |
103 | | { "VIRTUAL", &bool_attr[0], &bool_attr[0] }, |
104 | | { "UNCOND-CTI", &bool_attr[0], &bool_attr[0] }, |
105 | | { "COND-CTI", &bool_attr[0], &bool_attr[0] }, |
106 | | { "SKIP-CTI", &bool_attr[0], &bool_attr[0] }, |
107 | | { "DELAY-SLOT", &bool_attr[0], &bool_attr[0] }, |
108 | | { "RELAXABLE", &bool_attr[0], &bool_attr[0] }, |
109 | | { "RELAXED", &bool_attr[0], &bool_attr[0] }, |
110 | | { "NO-DIS", &bool_attr[0], &bool_attr[0] }, |
111 | | { "PBB", &bool_attr[0], &bool_attr[0] }, |
112 | | { 0, 0, 0 } |
113 | | }; |
114 | | |
115 | | /* Instruction set variants. */ |
116 | | |
117 | | static const CGEN_ISA lm32_cgen_isa_table[] = { |
118 | | { "lm32", 32, 32, 32, 32 }, |
119 | | { 0, 0, 0, 0, 0 } |
120 | | }; |
121 | | |
122 | | /* Machine variants. */ |
123 | | |
124 | | static const CGEN_MACH lm32_cgen_mach_table[] = { |
125 | | { "lm32", "lm32", MACH_LM32, 0 }, |
126 | | { 0, 0, 0, 0 } |
127 | | }; |
128 | | |
129 | | static CGEN_KEYWORD_ENTRY lm32_cgen_opval_h_gr_entries[] = |
130 | | { |
131 | | { "gp", 26, {0, {{{0, 0}}}}, 0, 0 }, |
132 | | { "fp", 27, {0, {{{0, 0}}}}, 0, 0 }, |
133 | | { "sp", 28, {0, {{{0, 0}}}}, 0, 0 }, |
134 | | { "ra", 29, {0, {{{0, 0}}}}, 0, 0 }, |
135 | | { "ea", 30, {0, {{{0, 0}}}}, 0, 0 }, |
136 | | { "ba", 31, {0, {{{0, 0}}}}, 0, 0 }, |
137 | | { "r0", 0, {0, {{{0, 0}}}}, 0, 0 }, |
138 | | { "r1", 1, {0, {{{0, 0}}}}, 0, 0 }, |
139 | | { "r2", 2, {0, {{{0, 0}}}}, 0, 0 }, |
140 | | { "r3", 3, {0, {{{0, 0}}}}, 0, 0 }, |
141 | | { "r4", 4, {0, {{{0, 0}}}}, 0, 0 }, |
142 | | { "r5", 5, {0, {{{0, 0}}}}, 0, 0 }, |
143 | | { "r6", 6, {0, {{{0, 0}}}}, 0, 0 }, |
144 | | { "r7", 7, {0, {{{0, 0}}}}, 0, 0 }, |
145 | | { "r8", 8, {0, {{{0, 0}}}}, 0, 0 }, |
146 | | { "r9", 9, {0, {{{0, 0}}}}, 0, 0 }, |
147 | | { "r10", 10, {0, {{{0, 0}}}}, 0, 0 }, |
148 | | { "r11", 11, {0, {{{0, 0}}}}, 0, 0 }, |
149 | | { "r12", 12, {0, {{{0, 0}}}}, 0, 0 }, |
150 | | { "r13", 13, {0, {{{0, 0}}}}, 0, 0 }, |
151 | | { "r14", 14, {0, {{{0, 0}}}}, 0, 0 }, |
152 | | { "r15", 15, {0, {{{0, 0}}}}, 0, 0 }, |
153 | | { "r16", 16, {0, {{{0, 0}}}}, 0, 0 }, |
154 | | { "r17", 17, {0, {{{0, 0}}}}, 0, 0 }, |
155 | | { "r18", 18, {0, {{{0, 0}}}}, 0, 0 }, |
156 | | { "r19", 19, {0, {{{0, 0}}}}, 0, 0 }, |
157 | | { "r20", 20, {0, {{{0, 0}}}}, 0, 0 }, |
158 | | { "r21", 21, {0, {{{0, 0}}}}, 0, 0 }, |
159 | | { "r22", 22, {0, {{{0, 0}}}}, 0, 0 }, |
160 | | { "r23", 23, {0, {{{0, 0}}}}, 0, 0 }, |
161 | | { "r24", 24, {0, {{{0, 0}}}}, 0, 0 }, |
162 | | { "r25", 25, {0, {{{0, 0}}}}, 0, 0 }, |
163 | | { "r26", 26, {0, {{{0, 0}}}}, 0, 0 }, |
164 | | { "r27", 27, {0, {{{0, 0}}}}, 0, 0 }, |
165 | | { "r28", 28, {0, {{{0, 0}}}}, 0, 0 }, |
166 | | { "r29", 29, {0, {{{0, 0}}}}, 0, 0 }, |
167 | | { "r30", 30, {0, {{{0, 0}}}}, 0, 0 }, |
168 | | { "r31", 31, {0, {{{0, 0}}}}, 0, 0 } |
169 | | }; |
170 | | |
171 | | CGEN_KEYWORD lm32_cgen_opval_h_gr = |
172 | | { |
173 | | & lm32_cgen_opval_h_gr_entries[0], |
174 | | 38, |
175 | | 0, 0, 0, 0, "" |
176 | | }; |
177 | | |
178 | | static CGEN_KEYWORD_ENTRY lm32_cgen_opval_h_csr_entries[] = |
179 | | { |
180 | | { "IE", 0, {0, {{{0, 0}}}}, 0, 0 }, |
181 | | { "IM", 1, {0, {{{0, 0}}}}, 0, 0 }, |
182 | | { "IP", 2, {0, {{{0, 0}}}}, 0, 0 }, |
183 | | { "ICC", 3, {0, {{{0, 0}}}}, 0, 0 }, |
184 | | { "DCC", 4, {0, {{{0, 0}}}}, 0, 0 }, |
185 | | { "CC", 5, {0, {{{0, 0}}}}, 0, 0 }, |
186 | | { "CFG", 6, {0, {{{0, 0}}}}, 0, 0 }, |
187 | | { "EBA", 7, {0, {{{0, 0}}}}, 0, 0 }, |
188 | | { "DC", 8, {0, {{{0, 0}}}}, 0, 0 }, |
189 | | { "DEBA", 9, {0, {{{0, 0}}}}, 0, 0 }, |
190 | | { "CFG2", 10, {0, {{{0, 0}}}}, 0, 0 }, |
191 | | { "JTX", 14, {0, {{{0, 0}}}}, 0, 0 }, |
192 | | { "JRX", 15, {0, {{{0, 0}}}}, 0, 0 }, |
193 | | { "BP0", 16, {0, {{{0, 0}}}}, 0, 0 }, |
194 | | { "BP1", 17, {0, {{{0, 0}}}}, 0, 0 }, |
195 | | { "BP2", 18, {0, {{{0, 0}}}}, 0, 0 }, |
196 | | { "BP3", 19, {0, {{{0, 0}}}}, 0, 0 }, |
197 | | { "WP0", 24, {0, {{{0, 0}}}}, 0, 0 }, |
198 | | { "WP1", 25, {0, {{{0, 0}}}}, 0, 0 }, |
199 | | { "WP2", 26, {0, {{{0, 0}}}}, 0, 0 }, |
200 | | { "WP3", 27, {0, {{{0, 0}}}}, 0, 0 }, |
201 | | { "PSW", 29, {0, {{{0, 0}}}}, 0, 0 }, |
202 | | { "TLBVADDR", 30, {0, {{{0, 0}}}}, 0, 0 }, |
203 | | { "TLBPADDR", 31, {0, {{{0, 0}}}}, 0, 0 }, |
204 | | { "TLBBADVADDR", 31, {0, {{{0, 0}}}}, 0, 0 } |
205 | | }; |
206 | | |
207 | | CGEN_KEYWORD lm32_cgen_opval_h_csr = |
208 | | { |
209 | | & lm32_cgen_opval_h_csr_entries[0], |
210 | | 25, |
211 | | 0, 0, 0, 0, "" |
212 | | }; |
213 | | |
214 | | |
215 | | /* The hardware table. */ |
216 | | |
217 | | #define A(a) (1 << CGEN_HW_##a) |
218 | | |
219 | | const CGEN_HW_ENTRY lm32_cgen_hw_table[] = |
220 | | { |
221 | | { "h-memory", HW_H_MEMORY, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
222 | | { "h-sint", HW_H_SINT, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
223 | | { "h-uint", HW_H_UINT, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
224 | | { "h-addr", HW_H_ADDR, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
225 | | { "h-iaddr", HW_H_IADDR, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
226 | | { "h-pc", HW_H_PC, CGEN_ASM_NONE, 0, { 0|A(PC), { { { (1<<MACH_BASE), 0 } } } } }, |
227 | | { "h-gr", HW_H_GR, CGEN_ASM_KEYWORD, & lm32_cgen_opval_h_gr, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
228 | | { "h-csr", HW_H_CSR, CGEN_ASM_KEYWORD, & lm32_cgen_opval_h_csr, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
229 | | { 0, 0, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } } |
230 | | }; |
231 | | |
232 | | #undef A |
233 | | |
234 | | |
235 | | /* The instruction field table. */ |
236 | | |
237 | | #define A(a) (1 << CGEN_IFLD_##a) |
238 | | |
239 | | const CGEN_IFLD lm32_cgen_ifld_table[] = |
240 | | { |
241 | | { LM32_F_NIL, "f-nil", 0, 0, 0, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
242 | | { LM32_F_ANYOF, "f-anyof", 0, 0, 0, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
243 | | { LM32_F_OPCODE, "f-opcode", 0, 32, 31, 6, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
244 | | { LM32_F_R0, "f-r0", 0, 32, 25, 5, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
245 | | { LM32_F_R1, "f-r1", 0, 32, 20, 5, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
246 | | { LM32_F_R2, "f-r2", 0, 32, 15, 5, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
247 | | { LM32_F_RESV0, "f-resv0", 0, 32, 10, 11, { 0|A(RESERVED), { { { (1<<MACH_BASE), 0 } } } } }, |
248 | | { LM32_F_SHIFT, "f-shift", 0, 32, 4, 5, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
249 | | { LM32_F_IMM, "f-imm", 0, 32, 15, 16, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
250 | | { LM32_F_UIMM, "f-uimm", 0, 32, 15, 16, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
251 | | { LM32_F_CSR, "f-csr", 0, 32, 25, 5, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
252 | | { LM32_F_USER, "f-user", 0, 32, 10, 11, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
253 | | { LM32_F_EXCEPTION, "f-exception", 0, 32, 25, 26, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
254 | | { LM32_F_BRANCH, "f-branch", 0, 32, 15, 16, { 0|A(PCREL_ADDR), { { { (1<<MACH_BASE), 0 } } } } }, |
255 | | { LM32_F_CALL, "f-call", 0, 32, 25, 26, { 0|A(PCREL_ADDR), { { { (1<<MACH_BASE), 0 } } } } }, |
256 | | { 0, 0, 0, 0, 0, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } } |
257 | | }; |
258 | | |
259 | | #undef A |
260 | | |
261 | | |
262 | | |
263 | | /* multi ifield declarations */ |
264 | | |
265 | | |
266 | | |
267 | | /* multi ifield definitions */ |
268 | | |
269 | | |
270 | | /* The operand table. */ |
271 | | |
272 | | #define A(a) (1 << CGEN_OPERAND_##a) |
273 | | #define OPERAND(op) LM32_OPERAND_##op |
274 | | |
275 | | const CGEN_OPERAND lm32_cgen_operand_table[] = |
276 | | { |
277 | | /* pc: program counter */ |
278 | | { "pc", LM32_OPERAND_PC, HW_H_PC, 0, 0, |
279 | | { 0, { &lm32_cgen_ifld_table[LM32_F_NIL] } }, |
280 | | { 0|A(SEM_ONLY), { { { (1<<MACH_BASE), 0 } } } } }, |
281 | | /* r0: register 0 */ |
282 | | { "r0", LM32_OPERAND_R0, HW_H_GR, 25, 5, |
283 | | { 0, { &lm32_cgen_ifld_table[LM32_F_R0] } }, |
284 | | { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
285 | | /* r1: register 1 */ |
286 | | { "r1", LM32_OPERAND_R1, HW_H_GR, 20, 5, |
287 | | { 0, { &lm32_cgen_ifld_table[LM32_F_R1] } }, |
288 | | { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
289 | | /* r2: register 2 */ |
290 | | { "r2", LM32_OPERAND_R2, HW_H_GR, 15, 5, |
291 | | { 0, { &lm32_cgen_ifld_table[LM32_F_R2] } }, |
292 | | { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
293 | | /* shift: shift amout */ |
294 | | { "shift", LM32_OPERAND_SHIFT, HW_H_UINT, 4, 5, |
295 | | { 0, { &lm32_cgen_ifld_table[LM32_F_SHIFT] } }, |
296 | | { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
297 | | /* imm: signed immediate */ |
298 | | { "imm", LM32_OPERAND_IMM, HW_H_SINT, 15, 16, |
299 | | { 0, { &lm32_cgen_ifld_table[LM32_F_IMM] } }, |
300 | | { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
301 | | /* uimm: unsigned immediate */ |
302 | | { "uimm", LM32_OPERAND_UIMM, HW_H_UINT, 15, 16, |
303 | | { 0, { &lm32_cgen_ifld_table[LM32_F_UIMM] } }, |
304 | | { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
305 | | /* branch: branch offset */ |
306 | | { "branch", LM32_OPERAND_BRANCH, HW_H_IADDR, 15, 16, |
307 | | { 0, { &lm32_cgen_ifld_table[LM32_F_BRANCH] } }, |
308 | | { 0|A(PCREL_ADDR), { { { (1<<MACH_BASE), 0 } } } } }, |
309 | | /* call: call offset */ |
310 | | { "call", LM32_OPERAND_CALL, HW_H_IADDR, 25, 26, |
311 | | { 0, { &lm32_cgen_ifld_table[LM32_F_CALL] } }, |
312 | | { 0|A(PCREL_ADDR), { { { (1<<MACH_BASE), 0 } } } } }, |
313 | | /* csr: csr */ |
314 | | { "csr", LM32_OPERAND_CSR, HW_H_CSR, 25, 5, |
315 | | { 0, { &lm32_cgen_ifld_table[LM32_F_CSR] } }, |
316 | | { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
317 | | /* user: user */ |
318 | | { "user", LM32_OPERAND_USER, HW_H_UINT, 10, 11, |
319 | | { 0, { &lm32_cgen_ifld_table[LM32_F_USER] } }, |
320 | | { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
321 | | /* exception: exception */ |
322 | | { "exception", LM32_OPERAND_EXCEPTION, HW_H_UINT, 25, 26, |
323 | | { 0, { &lm32_cgen_ifld_table[LM32_F_EXCEPTION] } }, |
324 | | { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
325 | | /* hi16: high 16-bit immediate */ |
326 | | { "hi16", LM32_OPERAND_HI16, HW_H_UINT, 15, 16, |
327 | | { 0, { &lm32_cgen_ifld_table[LM32_F_UIMM] } }, |
328 | | { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
329 | | /* lo16: low 16-bit immediate */ |
330 | | { "lo16", LM32_OPERAND_LO16, HW_H_UINT, 15, 16, |
331 | | { 0, { &lm32_cgen_ifld_table[LM32_F_UIMM] } }, |
332 | | { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
333 | | /* gp16: gp relative 16-bit immediate */ |
334 | | { "gp16", LM32_OPERAND_GP16, HW_H_SINT, 15, 16, |
335 | | { 0, { &lm32_cgen_ifld_table[LM32_F_IMM] } }, |
336 | | { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
337 | | /* got16: got 16-bit immediate */ |
338 | | { "got16", LM32_OPERAND_GOT16, HW_H_SINT, 15, 16, |
339 | | { 0, { &lm32_cgen_ifld_table[LM32_F_IMM] } }, |
340 | | { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
341 | | /* gotoffhi16: got offset high 16-bit immediate */ |
342 | | { "gotoffhi16", LM32_OPERAND_GOTOFFHI16, HW_H_SINT, 15, 16, |
343 | | { 0, { &lm32_cgen_ifld_table[LM32_F_IMM] } }, |
344 | | { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
345 | | /* gotofflo16: got offset low 16-bit immediate */ |
346 | | { "gotofflo16", LM32_OPERAND_GOTOFFLO16, HW_H_SINT, 15, 16, |
347 | | { 0, { &lm32_cgen_ifld_table[LM32_F_IMM] } }, |
348 | | { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
349 | | /* sentinel */ |
350 | | { 0, 0, 0, 0, 0, |
351 | | { 0, { 0 } }, |
352 | | { 0, { { { (1<<MACH_BASE), 0 } } } } } |
353 | | }; |
354 | | |
355 | | #undef A |
356 | | |
357 | | |
358 | | /* The instruction table. */ |
359 | | |
360 | | #define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field)) |
361 | | #define A(a) (1 << CGEN_INSN_##a) |
362 | | |
363 | | static const CGEN_IBASE lm32_cgen_insn_table[MAX_INSNS] = |
364 | | { |
365 | | /* Special null first entry. |
366 | | A `num' value of zero is thus invalid. |
367 | | Also, the special `invalid' insn resides here. */ |
368 | | { 0, 0, 0, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } }, |
369 | | /* add $r2,$r0,$r1 */ |
370 | | { |
371 | | LM32_INSN_ADD, "add", "add", 32, |
372 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
373 | | }, |
374 | | /* addi $r1,$r0,$imm */ |
375 | | { |
376 | | LM32_INSN_ADDI, "addi", "addi", 32, |
377 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
378 | | }, |
379 | | /* and $r2,$r0,$r1 */ |
380 | | { |
381 | | LM32_INSN_AND, "and", "and", 32, |
382 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
383 | | }, |
384 | | /* andi $r1,$r0,$uimm */ |
385 | | { |
386 | | LM32_INSN_ANDI, "andi", "andi", 32, |
387 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
388 | | }, |
389 | | /* andhi $r1,$r0,$hi16 */ |
390 | | { |
391 | | LM32_INSN_ANDHII, "andhii", "andhi", 32, |
392 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
393 | | }, |
394 | | /* b $r0 */ |
395 | | { |
396 | | LM32_INSN_B, "b", "b", 32, |
397 | | { 0|A(UNCOND_CTI), { { { (1<<MACH_BASE), 0 } } } } |
398 | | }, |
399 | | /* bi $call */ |
400 | | { |
401 | | LM32_INSN_BI, "bi", "bi", 32, |
402 | | { 0|A(UNCOND_CTI), { { { (1<<MACH_BASE), 0 } } } } |
403 | | }, |
404 | | /* be $r0,$r1,$branch */ |
405 | | { |
406 | | LM32_INSN_BE, "be", "be", 32, |
407 | | { 0|A(COND_CTI), { { { (1<<MACH_BASE), 0 } } } } |
408 | | }, |
409 | | /* bg $r0,$r1,$branch */ |
410 | | { |
411 | | LM32_INSN_BG, "bg", "bg", 32, |
412 | | { 0|A(COND_CTI), { { { (1<<MACH_BASE), 0 } } } } |
413 | | }, |
414 | | /* bge $r0,$r1,$branch */ |
415 | | { |
416 | | LM32_INSN_BGE, "bge", "bge", 32, |
417 | | { 0|A(COND_CTI), { { { (1<<MACH_BASE), 0 } } } } |
418 | | }, |
419 | | /* bgeu $r0,$r1,$branch */ |
420 | | { |
421 | | LM32_INSN_BGEU, "bgeu", "bgeu", 32, |
422 | | { 0|A(COND_CTI), { { { (1<<MACH_BASE), 0 } } } } |
423 | | }, |
424 | | /* bgu $r0,$r1,$branch */ |
425 | | { |
426 | | LM32_INSN_BGU, "bgu", "bgu", 32, |
427 | | { 0|A(COND_CTI), { { { (1<<MACH_BASE), 0 } } } } |
428 | | }, |
429 | | /* bne $r0,$r1,$branch */ |
430 | | { |
431 | | LM32_INSN_BNE, "bne", "bne", 32, |
432 | | { 0|A(COND_CTI), { { { (1<<MACH_BASE), 0 } } } } |
433 | | }, |
434 | | /* call $r0 */ |
435 | | { |
436 | | LM32_INSN_CALL, "call", "call", 32, |
437 | | { 0|A(UNCOND_CTI), { { { (1<<MACH_BASE), 0 } } } } |
438 | | }, |
439 | | /* calli $call */ |
440 | | { |
441 | | LM32_INSN_CALLI, "calli", "calli", 32, |
442 | | { 0|A(UNCOND_CTI), { { { (1<<MACH_BASE), 0 } } } } |
443 | | }, |
444 | | /* cmpe $r2,$r0,$r1 */ |
445 | | { |
446 | | LM32_INSN_CMPE, "cmpe", "cmpe", 32, |
447 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
448 | | }, |
449 | | /* cmpei $r1,$r0,$imm */ |
450 | | { |
451 | | LM32_INSN_CMPEI, "cmpei", "cmpei", 32, |
452 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
453 | | }, |
454 | | /* cmpg $r2,$r0,$r1 */ |
455 | | { |
456 | | LM32_INSN_CMPG, "cmpg", "cmpg", 32, |
457 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
458 | | }, |
459 | | /* cmpgi $r1,$r0,$imm */ |
460 | | { |
461 | | LM32_INSN_CMPGI, "cmpgi", "cmpgi", 32, |
462 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
463 | | }, |
464 | | /* cmpge $r2,$r0,$r1 */ |
465 | | { |
466 | | LM32_INSN_CMPGE, "cmpge", "cmpge", 32, |
467 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
468 | | }, |
469 | | /* cmpgei $r1,$r0,$imm */ |
470 | | { |
471 | | LM32_INSN_CMPGEI, "cmpgei", "cmpgei", 32, |
472 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
473 | | }, |
474 | | /* cmpgeu $r2,$r0,$r1 */ |
475 | | { |
476 | | LM32_INSN_CMPGEU, "cmpgeu", "cmpgeu", 32, |
477 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
478 | | }, |
479 | | /* cmpgeui $r1,$r0,$uimm */ |
480 | | { |
481 | | LM32_INSN_CMPGEUI, "cmpgeui", "cmpgeui", 32, |
482 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
483 | | }, |
484 | | /* cmpgu $r2,$r0,$r1 */ |
485 | | { |
486 | | LM32_INSN_CMPGU, "cmpgu", "cmpgu", 32, |
487 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
488 | | }, |
489 | | /* cmpgui $r1,$r0,$uimm */ |
490 | | { |
491 | | LM32_INSN_CMPGUI, "cmpgui", "cmpgui", 32, |
492 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
493 | | }, |
494 | | /* cmpne $r2,$r0,$r1 */ |
495 | | { |
496 | | LM32_INSN_CMPNE, "cmpne", "cmpne", 32, |
497 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
498 | | }, |
499 | | /* cmpnei $r1,$r0,$imm */ |
500 | | { |
501 | | LM32_INSN_CMPNEI, "cmpnei", "cmpnei", 32, |
502 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
503 | | }, |
504 | | /* divu $r2,$r0,$r1 */ |
505 | | { |
506 | | LM32_INSN_DIVU, "divu", "divu", 32, |
507 | | { 0|A(UNCOND_CTI), { { { (1<<MACH_BASE), 0 } } } } |
508 | | }, |
509 | | /* lb $r1,($r0+$imm) */ |
510 | | { |
511 | | LM32_INSN_LB, "lb", "lb", 32, |
512 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
513 | | }, |
514 | | /* lbu $r1,($r0+$imm) */ |
515 | | { |
516 | | LM32_INSN_LBU, "lbu", "lbu", 32, |
517 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
518 | | }, |
519 | | /* lh $r1,($r0+$imm) */ |
520 | | { |
521 | | LM32_INSN_LH, "lh", "lh", 32, |
522 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
523 | | }, |
524 | | /* lhu $r1,($r0+$imm) */ |
525 | | { |
526 | | LM32_INSN_LHU, "lhu", "lhu", 32, |
527 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
528 | | }, |
529 | | /* lw $r1,($r0+$imm) */ |
530 | | { |
531 | | LM32_INSN_LW, "lw", "lw", 32, |
532 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
533 | | }, |
534 | | /* modu $r2,$r0,$r1 */ |
535 | | { |
536 | | LM32_INSN_MODU, "modu", "modu", 32, |
537 | | { 0|A(UNCOND_CTI), { { { (1<<MACH_BASE), 0 } } } } |
538 | | }, |
539 | | /* mul $r2,$r0,$r1 */ |
540 | | { |
541 | | LM32_INSN_MUL, "mul", "mul", 32, |
542 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
543 | | }, |
544 | | /* muli $r1,$r0,$imm */ |
545 | | { |
546 | | LM32_INSN_MULI, "muli", "muli", 32, |
547 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
548 | | }, |
549 | | /* nor $r2,$r0,$r1 */ |
550 | | { |
551 | | LM32_INSN_NOR, "nor", "nor", 32, |
552 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
553 | | }, |
554 | | /* nori $r1,$r0,$uimm */ |
555 | | { |
556 | | LM32_INSN_NORI, "nori", "nori", 32, |
557 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
558 | | }, |
559 | | /* or $r2,$r0,$r1 */ |
560 | | { |
561 | | LM32_INSN_OR, "or", "or", 32, |
562 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
563 | | }, |
564 | | /* ori $r1,$r0,$lo16 */ |
565 | | { |
566 | | LM32_INSN_ORI, "ori", "ori", 32, |
567 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
568 | | }, |
569 | | /* orhi $r1,$r0,$hi16 */ |
570 | | { |
571 | | LM32_INSN_ORHII, "orhii", "orhi", 32, |
572 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
573 | | }, |
574 | | /* rcsr $r2,$csr */ |
575 | | { |
576 | | LM32_INSN_RCSR, "rcsr", "rcsr", 32, |
577 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
578 | | }, |
579 | | /* sb ($r0+$imm),$r1 */ |
580 | | { |
581 | | LM32_INSN_SB, "sb", "sb", 32, |
582 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
583 | | }, |
584 | | /* sextb $r2,$r0 */ |
585 | | { |
586 | | LM32_INSN_SEXTB, "sextb", "sextb", 32, |
587 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
588 | | }, |
589 | | /* sexth $r2,$r0 */ |
590 | | { |
591 | | LM32_INSN_SEXTH, "sexth", "sexth", 32, |
592 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
593 | | }, |
594 | | /* sh ($r0+$imm),$r1 */ |
595 | | { |
596 | | LM32_INSN_SH, "sh", "sh", 32, |
597 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
598 | | }, |
599 | | /* sl $r2,$r0,$r1 */ |
600 | | { |
601 | | LM32_INSN_SL, "sl", "sl", 32, |
602 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
603 | | }, |
604 | | /* sli $r1,$r0,$imm */ |
605 | | { |
606 | | LM32_INSN_SLI, "sli", "sli", 32, |
607 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
608 | | }, |
609 | | /* sr $r2,$r0,$r1 */ |
610 | | { |
611 | | LM32_INSN_SR, "sr", "sr", 32, |
612 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
613 | | }, |
614 | | /* sri $r1,$r0,$imm */ |
615 | | { |
616 | | LM32_INSN_SRI, "sri", "sri", 32, |
617 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
618 | | }, |
619 | | /* sru $r2,$r0,$r1 */ |
620 | | { |
621 | | LM32_INSN_SRU, "sru", "sru", 32, |
622 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
623 | | }, |
624 | | /* srui $r1,$r0,$imm */ |
625 | | { |
626 | | LM32_INSN_SRUI, "srui", "srui", 32, |
627 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
628 | | }, |
629 | | /* sub $r2,$r0,$r1 */ |
630 | | { |
631 | | LM32_INSN_SUB, "sub", "sub", 32, |
632 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
633 | | }, |
634 | | /* sw ($r0+$imm),$r1 */ |
635 | | { |
636 | | LM32_INSN_SW, "sw", "sw", 32, |
637 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
638 | | }, |
639 | | /* user $r2,$r0,$r1,$user */ |
640 | | { |
641 | | LM32_INSN_USER, "user", "user", 32, |
642 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
643 | | }, |
644 | | /* wcsr $csr,$r1 */ |
645 | | { |
646 | | LM32_INSN_WCSR, "wcsr", "wcsr", 32, |
647 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
648 | | }, |
649 | | /* xor $r2,$r0,$r1 */ |
650 | | { |
651 | | LM32_INSN_XOR, "xor", "xor", 32, |
652 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
653 | | }, |
654 | | /* xori $r1,$r0,$uimm */ |
655 | | { |
656 | | LM32_INSN_XORI, "xori", "xori", 32, |
657 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
658 | | }, |
659 | | /* xnor $r2,$r0,$r1 */ |
660 | | { |
661 | | LM32_INSN_XNOR, "xnor", "xnor", 32, |
662 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
663 | | }, |
664 | | /* xnori $r1,$r0,$uimm */ |
665 | | { |
666 | | LM32_INSN_XNORI, "xnori", "xnori", 32, |
667 | | { 0, { { { (1<<MACH_BASE), 0 } } } } |
668 | | }, |
669 | | /* break */ |
670 | | { |
671 | | LM32_INSN_BREAK, "break", "break", 32, |
672 | | { 0|A(UNCOND_CTI), { { { (1<<MACH_BASE), 0 } } } } |
673 | | }, |
674 | | /* scall */ |
675 | | { |
676 | | LM32_INSN_SCALL, "scall", "scall", 32, |
677 | | { 0|A(UNCOND_CTI), { { { (1<<MACH_BASE), 0 } } } } |
678 | | }, |
679 | | /* bret */ |
680 | | { |
681 | | -1, "bret", "bret", 32, |
682 | | { 0|A(ALIAS)|A(UNCOND_CTI), { { { (1<<MACH_BASE), 0 } } } } |
683 | | }, |
684 | | /* eret */ |
685 | | { |
686 | | -1, "eret", "eret", 32, |
687 | | { 0|A(ALIAS)|A(UNCOND_CTI), { { { (1<<MACH_BASE), 0 } } } } |
688 | | }, |
689 | | /* ret */ |
690 | | { |
691 | | -1, "ret", "ret", 32, |
692 | | { 0|A(ALIAS)|A(UNCOND_CTI), { { { (1<<MACH_BASE), 0 } } } } |
693 | | }, |
694 | | /* mv $r2,$r0 */ |
695 | | { |
696 | | -1, "mv", "mv", 32, |
697 | | { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } } |
698 | | }, |
699 | | /* mvi $r1,$imm */ |
700 | | { |
701 | | -1, "mvi", "mvi", 32, |
702 | | { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } } |
703 | | }, |
704 | | /* mvu $r1,$lo16 */ |
705 | | { |
706 | | -1, "mvui", "mvu", 32, |
707 | | { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } } |
708 | | }, |
709 | | /* mvhi $r1,$hi16 */ |
710 | | { |
711 | | -1, "mvhi", "mvhi", 32, |
712 | | { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } } |
713 | | }, |
714 | | /* mva $r1,$gp16 */ |
715 | | { |
716 | | -1, "mva", "mva", 32, |
717 | | { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } } |
718 | | }, |
719 | | /* not $r2,$r0 */ |
720 | | { |
721 | | -1, "not", "not", 32, |
722 | | { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } } |
723 | | }, |
724 | | /* nop */ |
725 | | { |
726 | | -1, "nop", "nop", 32, |
727 | | { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } } |
728 | | }, |
729 | | /* lb $r1,$gp16 */ |
730 | | { |
731 | | -1, "lbgprel", "lb", 32, |
732 | | { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } } |
733 | | }, |
734 | | /* lbu $r1,$gp16 */ |
735 | | { |
736 | | -1, "lbugprel", "lbu", 32, |
737 | | { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } } |
738 | | }, |
739 | | /* lh $r1,$gp16 */ |
740 | | { |
741 | | -1, "lhgprel", "lh", 32, |
742 | | { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } } |
743 | | }, |
744 | | /* lhu $r1,$gp16 */ |
745 | | { |
746 | | -1, "lhugprel", "lhu", 32, |
747 | | { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } } |
748 | | }, |
749 | | /* lw $r1,$gp16 */ |
750 | | { |
751 | | -1, "lwgprel", "lw", 32, |
752 | | { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } } |
753 | | }, |
754 | | /* sb $gp16,$r1 */ |
755 | | { |
756 | | -1, "sbgprel", "sb", 32, |
757 | | { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } } |
758 | | }, |
759 | | /* sh $gp16,$r1 */ |
760 | | { |
761 | | -1, "shgprel", "sh", 32, |
762 | | { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } } |
763 | | }, |
764 | | /* sw $gp16,$r1 */ |
765 | | { |
766 | | -1, "swgprel", "sw", 32, |
767 | | { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } } |
768 | | }, |
769 | | /* lw $r1,(gp+$got16) */ |
770 | | { |
771 | | -1, "lwgotrel", "lw", 32, |
772 | | { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } } |
773 | | }, |
774 | | /* orhi $r1,$r0,$gotoffhi16 */ |
775 | | { |
776 | | -1, "orhigotoffi", "orhi", 32, |
777 | | { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } } |
778 | | }, |
779 | | /* addi $r1,$r0,$gotofflo16 */ |
780 | | { |
781 | | -1, "addgotoff", "addi", 32, |
782 | | { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } } |
783 | | }, |
784 | | /* sw ($r0+$gotofflo16),$r1 */ |
785 | | { |
786 | | -1, "swgotoff", "sw", 32, |
787 | | { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } } |
788 | | }, |
789 | | /* lw $r1,($r0+$gotofflo16) */ |
790 | | { |
791 | | -1, "lwgotoff", "lw", 32, |
792 | | { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } } |
793 | | }, |
794 | | /* sh ($r0+$gotofflo16),$r1 */ |
795 | | { |
796 | | -1, "shgotoff", "sh", 32, |
797 | | { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } } |
798 | | }, |
799 | | /* lh $r1,($r0+$gotofflo16) */ |
800 | | { |
801 | | -1, "lhgotoff", "lh", 32, |
802 | | { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } } |
803 | | }, |
804 | | /* lhu $r1,($r0+$gotofflo16) */ |
805 | | { |
806 | | -1, "lhugotoff", "lhu", 32, |
807 | | { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } } |
808 | | }, |
809 | | /* sb ($r0+$gotofflo16),$r1 */ |
810 | | { |
811 | | -1, "sbgotoff", "sb", 32, |
812 | | { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } } |
813 | | }, |
814 | | /* lb $r1,($r0+$gotofflo16) */ |
815 | | { |
816 | | -1, "lbgotoff", "lb", 32, |
817 | | { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } } |
818 | | }, |
819 | | /* lbu $r1,($r0+$gotofflo16) */ |
820 | | { |
821 | | -1, "lbugotoff", "lbu", 32, |
822 | | { 0|A(ALIAS), { { { (1<<MACH_BASE), 0 } } } } |
823 | | }, |
824 | | }; |
825 | | |
826 | | #undef OP |
827 | | #undef A |
828 | | |
829 | | /* Initialize anything needed to be done once, before any cpu_open call. */ |
830 | | |
831 | | static void |
832 | | init_tables (void) |
833 | 2 | { |
834 | 2 | } |
835 | | |
836 | | #ifndef opcodes_error_handler |
837 | | #define opcodes_error_handler(...) \ |
838 | | fprintf (stderr, __VA_ARGS__); fputc ('\n', stderr) |
839 | | #endif |
840 | | |
841 | | static const CGEN_MACH * lookup_mach_via_bfd_name (const CGEN_MACH *, const char *); |
842 | | static void build_hw_table (CGEN_CPU_TABLE *); |
843 | | static void build_ifield_table (CGEN_CPU_TABLE *); |
844 | | static void build_operand_table (CGEN_CPU_TABLE *); |
845 | | static void build_insn_table (CGEN_CPU_TABLE *); |
846 | | static void lm32_cgen_rebuild_tables (CGEN_CPU_TABLE *); |
847 | | |
848 | | /* Subroutine of lm32_cgen_cpu_open to look up a mach via its bfd name. */ |
849 | | |
850 | | static const CGEN_MACH * |
851 | | lookup_mach_via_bfd_name (const CGEN_MACH *table, const char *name) |
852 | 3 | { |
853 | 3 | while (table->name) |
854 | 3 | { |
855 | 3 | if (strcmp (name, table->bfd_name) == 0) |
856 | 3 | return table; |
857 | 0 | ++table; |
858 | 0 | } |
859 | 0 | return NULL; |
860 | 3 | } |
861 | | |
862 | | /* Subroutine of lm32_cgen_cpu_open to build the hardware table. */ |
863 | | |
864 | | static void |
865 | | build_hw_table (CGEN_CPU_TABLE *cd) |
866 | 3 | { |
867 | 3 | int i; |
868 | 3 | int machs = cd->machs; |
869 | 3 | const CGEN_HW_ENTRY *init = & lm32_cgen_hw_table[0]; |
870 | | /* MAX_HW is only an upper bound on the number of selected entries. |
871 | | However each entry is indexed by it's enum so there can be holes in |
872 | | the table. */ |
873 | 3 | const CGEN_HW_ENTRY **selected = |
874 | 3 | (const CGEN_HW_ENTRY **) xmalloc (MAX_HW * sizeof (CGEN_HW_ENTRY *)); |
875 | | |
876 | 3 | cd->hw_table.init_entries = init; |
877 | 3 | cd->hw_table.entry_size = sizeof (CGEN_HW_ENTRY); |
878 | 3 | memset (selected, 0, MAX_HW * sizeof (CGEN_HW_ENTRY *)); |
879 | | /* ??? For now we just use machs to determine which ones we want. */ |
880 | 27 | for (i = 0; init[i].name != NULL; ++i) |
881 | 24 | if (CGEN_HW_ATTR_VALUE (&init[i], CGEN_HW_MACH) |
882 | 24 | & machs) |
883 | 24 | selected[init[i].type] = &init[i]; |
884 | 3 | cd->hw_table.entries = selected; |
885 | 3 | cd->hw_table.num_entries = MAX_HW; |
886 | 3 | } |
887 | | |
888 | | /* Subroutine of lm32_cgen_cpu_open to build the hardware table. */ |
889 | | |
890 | | static void |
891 | | build_ifield_table (CGEN_CPU_TABLE *cd) |
892 | 3 | { |
893 | 3 | cd->ifld_table = & lm32_cgen_ifld_table[0]; |
894 | 3 | } |
895 | | |
896 | | /* Subroutine of lm32_cgen_cpu_open to build the hardware table. */ |
897 | | |
898 | | static void |
899 | | build_operand_table (CGEN_CPU_TABLE *cd) |
900 | 3 | { |
901 | 3 | int i; |
902 | 3 | int machs = cd->machs; |
903 | 3 | const CGEN_OPERAND *init = & lm32_cgen_operand_table[0]; |
904 | | /* MAX_OPERANDS is only an upper bound on the number of selected entries. |
905 | | However each entry is indexed by it's enum so there can be holes in |
906 | | the table. */ |
907 | 3 | const CGEN_OPERAND **selected = xmalloc (MAX_OPERANDS * sizeof (* selected)); |
908 | | |
909 | 3 | cd->operand_table.init_entries = init; |
910 | 3 | cd->operand_table.entry_size = sizeof (CGEN_OPERAND); |
911 | 3 | memset (selected, 0, MAX_OPERANDS * sizeof (CGEN_OPERAND *)); |
912 | | /* ??? For now we just use mach to determine which ones we want. */ |
913 | 57 | for (i = 0; init[i].name != NULL; ++i) |
914 | 54 | if (CGEN_OPERAND_ATTR_VALUE (&init[i], CGEN_OPERAND_MACH) |
915 | 54 | & machs) |
916 | 54 | selected[init[i].type] = &init[i]; |
917 | 3 | cd->operand_table.entries = selected; |
918 | 3 | cd->operand_table.num_entries = MAX_OPERANDS; |
919 | 3 | } |
920 | | |
921 | | /* Subroutine of lm32_cgen_cpu_open to build the hardware table. |
922 | | ??? This could leave out insns not supported by the specified mach/isa, |
923 | | but that would cause errors like "foo only supported by bar" to become |
924 | | "unknown insn", so for now we include all insns and require the app to |
925 | | do the checking later. |
926 | | ??? On the other hand, parsing of such insns may require their hardware or |
927 | | operand elements to be in the table [which they mightn't be]. */ |
928 | | |
929 | | static void |
930 | | build_insn_table (CGEN_CPU_TABLE *cd) |
931 | 3 | { |
932 | 3 | int i; |
933 | 3 | const CGEN_IBASE *ib = & lm32_cgen_insn_table[0]; |
934 | 3 | CGEN_INSN *insns = xmalloc (MAX_INSNS * sizeof (CGEN_INSN)); |
935 | | |
936 | 3 | memset (insns, 0, MAX_INSNS * sizeof (CGEN_INSN)); |
937 | 279 | for (i = 0; i < MAX_INSNS; ++i) |
938 | 276 | insns[i].base = &ib[i]; |
939 | 3 | cd->insn_table.init_entries = insns; |
940 | 3 | cd->insn_table.entry_size = sizeof (CGEN_IBASE); |
941 | 3 | cd->insn_table.num_init_entries = MAX_INSNS; |
942 | 3 | } |
943 | | |
944 | | /* Subroutine of lm32_cgen_cpu_open to rebuild the tables. */ |
945 | | |
946 | | static void |
947 | | lm32_cgen_rebuild_tables (CGEN_CPU_TABLE *cd) |
948 | 3 | { |
949 | 3 | int i; |
950 | 3 | CGEN_BITSET *isas = cd->isas; |
951 | 3 | unsigned int machs = cd->machs; |
952 | | |
953 | 3 | cd->int_insn_p = CGEN_INT_INSN_P; |
954 | | |
955 | | /* Data derived from the isa spec. */ |
956 | 12 | #define UNSET (CGEN_SIZE_UNKNOWN + 1) |
957 | 3 | cd->default_insn_bitsize = UNSET; |
958 | 3 | cd->base_insn_bitsize = UNSET; |
959 | 3 | cd->min_insn_bitsize = 65535; /* Some ridiculously big number. */ |
960 | 3 | cd->max_insn_bitsize = 0; |
961 | 6 | for (i = 0; i < MAX_ISAS; ++i) |
962 | 3 | if (cgen_bitset_contains (isas, i)) |
963 | 3 | { |
964 | 3 | const CGEN_ISA *isa = & lm32_cgen_isa_table[i]; |
965 | | |
966 | | /* Default insn sizes of all selected isas must be |
967 | | equal or we set the result to 0, meaning "unknown". */ |
968 | 3 | if (cd->default_insn_bitsize == UNSET) |
969 | 3 | cd->default_insn_bitsize = isa->default_insn_bitsize; |
970 | 0 | else if (isa->default_insn_bitsize == cd->default_insn_bitsize) |
971 | 0 | ; /* This is ok. */ |
972 | 0 | else |
973 | 0 | cd->default_insn_bitsize = CGEN_SIZE_UNKNOWN; |
974 | | |
975 | | /* Base insn sizes of all selected isas must be equal |
976 | | or we set the result to 0, meaning "unknown". */ |
977 | 3 | if (cd->base_insn_bitsize == UNSET) |
978 | 3 | cd->base_insn_bitsize = isa->base_insn_bitsize; |
979 | 0 | else if (isa->base_insn_bitsize == cd->base_insn_bitsize) |
980 | 0 | ; /* This is ok. */ |
981 | 0 | else |
982 | 0 | cd->base_insn_bitsize = CGEN_SIZE_UNKNOWN; |
983 | | |
984 | | /* Set min,max insn sizes. */ |
985 | 3 | if (isa->min_insn_bitsize < cd->min_insn_bitsize) |
986 | 3 | cd->min_insn_bitsize = isa->min_insn_bitsize; |
987 | 3 | if (isa->max_insn_bitsize > cd->max_insn_bitsize) |
988 | 3 | cd->max_insn_bitsize = isa->max_insn_bitsize; |
989 | 3 | } |
990 | | |
991 | | /* Data derived from the mach spec. */ |
992 | 9 | for (i = 0; i < MAX_MACHS; ++i) |
993 | 6 | if (((1 << i) & machs) != 0) |
994 | 6 | { |
995 | 6 | const CGEN_MACH *mach = & lm32_cgen_mach_table[i]; |
996 | | |
997 | 6 | if (mach->insn_chunk_bitsize != 0) |
998 | 0 | { |
999 | 0 | if (cd->insn_chunk_bitsize != 0 && cd->insn_chunk_bitsize != mach->insn_chunk_bitsize) |
1000 | 0 | { |
1001 | 0 | opcodes_error_handler |
1002 | 0 | (/* xgettext:c-format */ |
1003 | 0 | _("internal error: lm32_cgen_rebuild_tables: " |
1004 | 0 | "conflicting insn-chunk-bitsize values: `%d' vs. `%d'"), |
1005 | 0 | cd->insn_chunk_bitsize, mach->insn_chunk_bitsize); |
1006 | 0 | abort (); |
1007 | 0 | } |
1008 | | |
1009 | 0 | cd->insn_chunk_bitsize = mach->insn_chunk_bitsize; |
1010 | 0 | } |
1011 | 6 | } |
1012 | | |
1013 | | /* Determine which hw elements are used by MACH. */ |
1014 | 3 | build_hw_table (cd); |
1015 | | |
1016 | | /* Build the ifield table. */ |
1017 | 3 | build_ifield_table (cd); |
1018 | | |
1019 | | /* Determine which operands are used by MACH/ISA. */ |
1020 | 3 | build_operand_table (cd); |
1021 | | |
1022 | | /* Build the instruction table. */ |
1023 | 3 | build_insn_table (cd); |
1024 | 3 | } |
1025 | | |
1026 | | /* Initialize a cpu table and return a descriptor. |
1027 | | It's much like opening a file, and must be the first function called. |
1028 | | The arguments are a set of (type/value) pairs, terminated with |
1029 | | CGEN_CPU_OPEN_END. |
1030 | | |
1031 | | Currently supported values: |
1032 | | CGEN_CPU_OPEN_ISAS: bitmap of values in enum isa_attr |
1033 | | CGEN_CPU_OPEN_MACHS: bitmap of values in enum mach_attr |
1034 | | CGEN_CPU_OPEN_BFDMACH: specify 1 mach using bfd name |
1035 | | CGEN_CPU_OPEN_ENDIAN: specify endian choice |
1036 | | CGEN_CPU_OPEN_INSN_ENDIAN: specify instruction endian choice |
1037 | | CGEN_CPU_OPEN_END: terminates arguments |
1038 | | |
1039 | | ??? Simultaneous multiple isas might not make sense, but it's not (yet) |
1040 | | precluded. */ |
1041 | | |
1042 | | CGEN_CPU_DESC |
1043 | | lm32_cgen_cpu_open (enum cgen_cpu_open_arg arg_type, ...) |
1044 | 3 | { |
1045 | 3 | CGEN_CPU_TABLE *cd = (CGEN_CPU_TABLE *) xmalloc (sizeof (CGEN_CPU_TABLE)); |
1046 | 3 | static int init_p; |
1047 | 3 | CGEN_BITSET *isas = 0; /* 0 = "unspecified" */ |
1048 | 3 | unsigned int machs = 0; /* 0 = "unspecified" */ |
1049 | 3 | enum cgen_endian endian = CGEN_ENDIAN_UNKNOWN; |
1050 | 3 | enum cgen_endian insn_endian = CGEN_ENDIAN_UNKNOWN; |
1051 | 3 | va_list ap; |
1052 | | |
1053 | 3 | if (! init_p) |
1054 | 2 | { |
1055 | 2 | init_tables (); |
1056 | 2 | init_p = 1; |
1057 | 2 | } |
1058 | | |
1059 | 3 | memset (cd, 0, sizeof (*cd)); |
1060 | | |
1061 | 3 | va_start (ap, arg_type); |
1062 | 15 | while (arg_type != CGEN_CPU_OPEN_END) |
1063 | 12 | { |
1064 | 12 | switch (arg_type) |
1065 | 12 | { |
1066 | 3 | case CGEN_CPU_OPEN_ISAS : |
1067 | 3 | isas = va_arg (ap, CGEN_BITSET *); |
1068 | 3 | break; |
1069 | 0 | case CGEN_CPU_OPEN_MACHS : |
1070 | 0 | machs = va_arg (ap, unsigned int); |
1071 | 0 | break; |
1072 | 3 | case CGEN_CPU_OPEN_BFDMACH : |
1073 | 3 | { |
1074 | 3 | const char *name = va_arg (ap, const char *); |
1075 | 3 | const CGEN_MACH *mach = |
1076 | 3 | lookup_mach_via_bfd_name (lm32_cgen_mach_table, name); |
1077 | | |
1078 | 3 | if (mach != NULL) |
1079 | 3 | machs |= 1 << mach->num; |
1080 | 3 | break; |
1081 | 0 | } |
1082 | 3 | case CGEN_CPU_OPEN_ENDIAN : |
1083 | 3 | endian = va_arg (ap, enum cgen_endian); |
1084 | 3 | break; |
1085 | 3 | case CGEN_CPU_OPEN_INSN_ENDIAN : |
1086 | 3 | insn_endian = va_arg (ap, enum cgen_endian); |
1087 | 3 | break; |
1088 | 0 | default : |
1089 | 0 | opcodes_error_handler |
1090 | 0 | (/* xgettext:c-format */ |
1091 | 0 | _("internal error: lm32_cgen_cpu_open: " |
1092 | 0 | "unsupported argument `%d'"), |
1093 | 0 | arg_type); |
1094 | 0 | abort (); /* ??? return NULL? */ |
1095 | 12 | } |
1096 | 12 | arg_type = va_arg (ap, enum cgen_cpu_open_arg); |
1097 | 12 | } |
1098 | 3 | va_end (ap); |
1099 | | |
1100 | | /* Mach unspecified means "all". */ |
1101 | 3 | if (machs == 0) |
1102 | 0 | machs = (1 << MAX_MACHS) - 1; |
1103 | | /* Base mach is always selected. */ |
1104 | 3 | machs |= 1; |
1105 | 3 | if (endian == CGEN_ENDIAN_UNKNOWN) |
1106 | 0 | { |
1107 | | /* ??? If target has only one, could have a default. */ |
1108 | 0 | opcodes_error_handler |
1109 | 0 | (/* xgettext:c-format */ |
1110 | 0 | _("internal error: lm32_cgen_cpu_open: no endianness specified")); |
1111 | 0 | abort (); |
1112 | 0 | } |
1113 | | |
1114 | 3 | cd->isas = cgen_bitset_copy (isas); |
1115 | 3 | cd->machs = machs; |
1116 | 3 | cd->endian = endian; |
1117 | 3 | cd->insn_endian |
1118 | 3 | = (insn_endian == CGEN_ENDIAN_UNKNOWN ? endian : insn_endian); |
1119 | | |
1120 | | /* Table (re)builder. */ |
1121 | 3 | cd->rebuild_tables = lm32_cgen_rebuild_tables; |
1122 | 3 | lm32_cgen_rebuild_tables (cd); |
1123 | | |
1124 | | /* Default to not allowing signed overflow. */ |
1125 | 3 | cd->signed_overflow_ok_p = 0; |
1126 | | |
1127 | 3 | return (CGEN_CPU_DESC) cd; |
1128 | 3 | } |
1129 | | |
1130 | | /* Cover fn to lm32_cgen_cpu_open to handle the simple case of 1 isa, 1 mach. |
1131 | | MACH_NAME is the bfd name of the mach. */ |
1132 | | |
1133 | | CGEN_CPU_DESC |
1134 | | lm32_cgen_cpu_open_1 (const char *mach_name, enum cgen_endian endian) |
1135 | 0 | { |
1136 | 0 | return lm32_cgen_cpu_open (CGEN_CPU_OPEN_BFDMACH, mach_name, |
1137 | 0 | CGEN_CPU_OPEN_ENDIAN, endian, |
1138 | 0 | CGEN_CPU_OPEN_END); |
1139 | 0 | } |
1140 | | |
1141 | | /* Close a cpu table. |
1142 | | ??? This can live in a machine independent file, but there's currently |
1143 | | no place to put this file (there's no libcgen). libopcodes is the wrong |
1144 | | place as some simulator ports use this but they don't use libopcodes. */ |
1145 | | |
1146 | | void |
1147 | | lm32_cgen_cpu_close (CGEN_CPU_DESC cd) |
1148 | 0 | { |
1149 | 0 | unsigned int i; |
1150 | 0 | const CGEN_INSN *insns; |
1151 | |
|
1152 | 0 | if (cd->macro_insn_table.init_entries) |
1153 | 0 | { |
1154 | 0 | insns = cd->macro_insn_table.init_entries; |
1155 | 0 | for (i = 0; i < cd->macro_insn_table.num_init_entries; ++i, ++insns) |
1156 | 0 | if (CGEN_INSN_RX ((insns))) |
1157 | 0 | regfree (CGEN_INSN_RX (insns)); |
1158 | 0 | } |
1159 | |
|
1160 | 0 | if (cd->insn_table.init_entries) |
1161 | 0 | { |
1162 | 0 | insns = cd->insn_table.init_entries; |
1163 | 0 | for (i = 0; i < cd->insn_table.num_init_entries; ++i, ++insns) |
1164 | 0 | if (CGEN_INSN_RX (insns)) |
1165 | 0 | regfree (CGEN_INSN_RX (insns)); |
1166 | 0 | } |
1167 | |
|
1168 | 0 | free ((CGEN_INSN *) cd->macro_insn_table.init_entries); |
1169 | 0 | free ((CGEN_INSN *) cd->insn_table.init_entries); |
1170 | 0 | free ((CGEN_HW_ENTRY *) cd->hw_table.entries); |
1171 | 0 | free ((CGEN_HW_ENTRY *) cd->operand_table.entries); |
1172 | 0 | free (cd); |
1173 | 0 | } |
1174 | | |