Commit | Line | Data |
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252b5132 | 1 | /* tc-m68k.c -- Assemble for the m68k family |
b3adc24a | 2 | Copyright (C) 1987-2020 Free Software Foundation, Inc. |
252b5132 RH |
3 | |
4 | This file is part of GAS, the GNU Assembler. | |
5 | ||
6 | GAS is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
ec2655a6 | 8 | the Free Software Foundation; either version 3, or (at your option) |
252b5132 RH |
9 | any later version. |
10 | ||
11 | GAS is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GAS; see the file COPYING. If not, write to the Free | |
4b4da160 NC |
18 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
19 | 02110-1301, USA. */ | |
252b5132 | 20 | |
252b5132 | 21 | #include "as.h" |
3882b010 | 22 | #include "safe-ctype.h" |
252b5132 RH |
23 | #include "obstack.h" |
24 | #include "subsegs.h" | |
f27a3839 | 25 | #include "dwarf2dbg.h" |
c04898f8 | 26 | #include "dw2gencfi.h" |
252b5132 RH |
27 | |
28 | #include "opcode/m68k.h" | |
29 | #include "m68k-parse.h" | |
0d96863f | 30 | #include "elf/m68k.h" |
31302357 | 31 | |
cf869cce | 32 | static void m68k_elf_cons (int); |
85f7484a | 33 | static void m68k_elf_gnu_attribute (int); |
cf869cce | 34 | |
252b5132 RH |
35 | /* This string holds the chars that always start a comment. If the |
36 | pre-processor is disabled, these aren't very useful. The macro | |
37 | tc_comment_chars points to this. We use this, rather than the | |
38 | usual comment_chars, so that the --bitwise-or option will work. */ | |
39 | #if defined (TE_SVR4) || defined (TE_DELTA) | |
40 | const char *m68k_comment_chars = "|#"; | |
41 | #else | |
42 | const char *m68k_comment_chars = "|"; | |
43 | #endif | |
44 | ||
45 | /* This array holds the chars that only start a comment at the beginning of | |
46 | a line. If the line seems to have the form '# 123 filename' | |
47 | .line and .file directives will appear in the pre-processed output */ | |
48 | /* Note that input_file.c hand checks for '#' at the beginning of the | |
49 | first line of the input file. This is because the compiler outputs | |
92774660 KH |
50 | #NO_APP at the beginning of its output. */ |
51 | /* Also note that comments like this one will always work. */ | |
252b5132 RH |
52 | const char line_comment_chars[] = "#*"; |
53 | ||
63a0b638 | 54 | const char line_separator_chars[] = ";"; |
252b5132 | 55 | |
36759679 | 56 | /* Chars that can be used to separate mant from exp in floating point nums. */ |
5a38dc70 | 57 | const char EXP_CHARS[] = "eE"; |
252b5132 RH |
58 | |
59 | /* Chars that mean this number is a floating point constant, as | |
60 | in "0f12.456" or "0d1.2345e12". */ | |
61 | ||
5a38dc70 | 62 | const char FLT_CHARS[] = "rRsSfFdDxXeEpP"; |
252b5132 RH |
63 | |
64 | /* Also be aware that MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT may have to be | |
65 | changed in read.c . Ideally it shouldn't have to know about it at all, | |
66 | but nothing is ideal around here. */ | |
67 | ||
252b5132 RH |
68 | /* Are we trying to generate PIC code? If so, absolute references |
69 | ought to be made into linkage table references or pc-relative | |
92774660 | 70 | references. Not implemented. For ELF there are other means |
252b5132 RH |
71 | to denote pic relocations. */ |
72 | int flag_want_pic; | |
73 | ||
36759679 NC |
74 | static int flag_short_refs; /* -l option. */ |
75 | static int flag_long_jumps; /* -S option. */ | |
28e7409f | 76 | static int flag_keep_pcrel; /* --pcrel option. */ |
252b5132 RH |
77 | |
78 | #ifdef REGISTER_PREFIX_OPTIONAL | |
79 | int flag_reg_prefix_optional = REGISTER_PREFIX_OPTIONAL; | |
80 | #else | |
81 | int flag_reg_prefix_optional; | |
82 | #endif | |
83 | ||
84 | /* Whether --register-prefix-optional was used on the command line. */ | |
85 | static int reg_prefix_optional_seen; | |
86 | ||
87 | /* The floating point coprocessor to use by default. */ | |
88 | static enum m68k_register m68k_float_copnum = COP1; | |
89 | ||
90 | /* If this is non-zero, then references to number(%pc) will be taken | |
91 | to refer to number, rather than to %pc + number. */ | |
92 | static int m68k_abspcadd; | |
93 | ||
94 | /* If this is non-zero, then the quick forms of the move, add, and sub | |
95 | instructions are used when possible. */ | |
96 | static int m68k_quick = 1; | |
97 | ||
98 | /* If this is non-zero, then if the size is not specified for a base | |
99 | or outer displacement, the assembler assumes that the size should | |
100 | be 32 bits. */ | |
101 | static int m68k_rel32 = 1; | |
102 | ||
103 | /* This is non-zero if m68k_rel32 was set from the command line. */ | |
104 | static int m68k_rel32_from_cmdline; | |
105 | ||
106 | /* The default width to use for an index register when using a base | |
107 | displacement. */ | |
108 | static enum m68k_size m68k_index_width_default = SIZE_LONG; | |
109 | ||
110 | /* We want to warn if any text labels are misaligned. In order to get | |
111 | the right line number, we need to record the line number for each | |
112 | label. */ | |
252b5132 RH |
113 | struct label_line |
114 | { | |
115 | struct label_line *next; | |
116 | symbolS *label; | |
3b4dbbbf | 117 | const char *file; |
252b5132 RH |
118 | unsigned int line; |
119 | int text; | |
120 | }; | |
121 | ||
122 | /* The list of labels. */ | |
123 | ||
124 | static struct label_line *labels; | |
125 | ||
126 | /* The current label. */ | |
127 | ||
128 | static struct label_line *current_label; | |
129 | ||
60fed2d3 NC |
130 | /* Pointer to list holding the opcodes sorted by name. */ |
131 | static struct m68k_opcode const ** m68k_sorted_opcodes; | |
132 | ||
33eaf5de | 133 | /* It's an arbitrary name: This means I don't approve of it. |
36759679 | 134 | See flames below. */ |
252b5132 RH |
135 | static struct obstack robyn; |
136 | ||
252b5132 RH |
137 | struct m68k_incant |
138 | { | |
139 | const char *m_operands; | |
140 | unsigned long m_opcode; | |
141 | short m_opnum; | |
142 | short m_codenum; | |
143 | int m_arch; | |
144 | struct m68k_incant *m_next; | |
145 | }; | |
146 | ||
147 | #define getone(x) ((((x)->m_opcode)>>16)&0xffff) | |
148 | #define gettwo(x) (((x)->m_opcode)&0xffff) | |
149 | ||
2da12c60 NS |
150 | static const enum m68k_register m68000_ctrl[] = { 0 }; |
151 | static const enum m68k_register m68010_ctrl[] = { | |
252b5132 RH |
152 | SFC, DFC, USP, VBR, |
153 | 0 | |
154 | }; | |
2da12c60 | 155 | static const enum m68k_register m68020_ctrl[] = { |
252b5132 RH |
156 | SFC, DFC, USP, VBR, CACR, CAAR, MSP, ISP, |
157 | 0 | |
158 | }; | |
2da12c60 | 159 | static const enum m68k_register m68040_ctrl[] = { |
252b5132 RH |
160 | SFC, DFC, CACR, TC, ITT0, ITT1, DTT0, DTT1, |
161 | USP, VBR, MSP, ISP, MMUSR, URP, SRP, | |
162 | 0 | |
163 | }; | |
2da12c60 | 164 | static const enum m68k_register m68060_ctrl[] = { |
252b5132 RH |
165 | SFC, DFC, CACR, TC, ITT0, ITT1, DTT0, DTT1, BUSCR, |
166 | USP, VBR, URP, SRP, PCR, | |
167 | 0 | |
168 | }; | |
2da12c60 | 169 | static const enum m68k_register mcf_ctrl[] = { |
3e602632 | 170 | CACR, TC, ACR0, ACR1, ACR2, ACR3, VBR, ROMBAR, |
78336706 NS |
171 | RAMBAR0, RAMBAR1, RAMBAR, MBAR, |
172 | 0 | |
173 | }; | |
87298967 NS |
174 | static const enum m68k_register mcf51_ctrl[] = { |
175 | VBR, CPUCR, | |
f75192f2 KH |
176 | 0 |
177 | }; | |
78336706 | 178 | static const enum m68k_register mcf5206_ctrl[] = { |
0d999f33 | 179 | CACR, ACR0, ACR1, VBR, RAMBAR0, RAMBAR_ALT, MBAR, |
252b5132 RH |
180 | 0 |
181 | }; | |
2da12c60 | 182 | static const enum m68k_register mcf5208_ctrl[] = { |
78336706 | 183 | CACR, ACR0, ACR1, VBR, RAMBAR, RAMBAR1, |
266abb8f NS |
184 | 0 |
185 | }; | |
96e0bbcc | 186 | static const enum m68k_register mcf5210a_ctrl[] = { |
78336706 | 187 | VBR, CACR, ACR0, ACR1, ROMBAR, RAMBAR, RAMBAR1, MBAR, |
96e0bbcc NS |
188 | 0 |
189 | }; | |
2da12c60 | 190 | static const enum m68k_register mcf5213_ctrl[] = { |
78336706 | 191 | VBR, RAMBAR, RAMBAR1, FLASHBAR, |
266abb8f NS |
192 | 0 |
193 | }; | |
2da12c60 | 194 | static const enum m68k_register mcf5216_ctrl[] = { |
78336706 | 195 | VBR, CACR, ACR0, ACR1, FLASHBAR, RAMBAR, RAMBAR1, |
266abb8f NS |
196 | 0 |
197 | }; | |
46203761 MK |
198 | static const enum m68k_register mcf5221x_ctrl[] = { |
199 | VBR, FLASHBAR, RAMBAR, RAMBAR1, | |
200 | 0 | |
201 | }; | |
d5be9593 | 202 | static const enum m68k_register mcf52223_ctrl[] = { |
0d999f33 | 203 | VBR, FLASHBAR, RAMBAR, RAMBAR1, |
d5be9593 NS |
204 | 0 |
205 | }; | |
96e0bbcc | 206 | static const enum m68k_register mcf52235_ctrl[] = { |
b345c8c2 | 207 | VBR, FLASHBAR, RAMBAR, RAMBAR1, |
96e0bbcc NS |
208 | 0 |
209 | }; | |
210 | static const enum m68k_register mcf5225_ctrl[] = { | |
78336706 | 211 | VBR, CACR, ACR0, ACR1, FLASHBAR, RAMBAR, MBAR, RAMBAR1, |
96e0bbcc NS |
212 | 0 |
213 | }; | |
87298967 NS |
214 | static const enum m68k_register mcf52259_ctrl[] = { |
215 | VBR, FLASHBAR, RAMBAR, RAMBAR1, | |
216 | 0 | |
217 | }; | |
218 | static const enum m68k_register mcf52277_ctrl[] = { | |
219 | VBR, CACR, ACR0, ACR1, RAMBAR, RAMBAR1, | |
220 | 0 | |
221 | }; | |
2da12c60 | 222 | static const enum m68k_register mcf5235_ctrl[] = { |
78336706 | 223 | VBR, CACR, ACR0, ACR1, RAMBAR, RAMBAR1, |
e80e0390 NC |
224 | 0 |
225 | }; | |
2da12c60 | 226 | static const enum m68k_register mcf5249_ctrl[] = { |
78336706 | 227 | VBR, CACR, ACR0, ACR1, RAMBAR0, RAMBAR1, RAMBAR, MBAR, MBAR2, |
3e602632 NC |
228 | 0 |
229 | }; | |
2da12c60 NS |
230 | static const enum m68k_register mcf5250_ctrl[] = { |
231 | VBR, | |
232 | 0 | |
233 | }; | |
d5be9593 | 234 | static const enum m68k_register mcf5253_ctrl[] = { |
def8fc92 | 235 | VBR, CACR, ACR0, ACR1, RAMBAR0, RAMBAR1, RAMBAR, MBAR, MBAR2, |
d5be9593 NS |
236 | 0 |
237 | }; | |
2da12c60 | 238 | static const enum m68k_register mcf5271_ctrl[] = { |
78336706 | 239 | VBR, CACR, ACR0, ACR1, RAMBAR, RAMBAR1, |
2da12c60 NS |
240 | 0 |
241 | }; | |
242 | static const enum m68k_register mcf5272_ctrl[] = { | |
78336706 | 243 | VBR, CACR, ACR0, ACR1, ROMBAR, RAMBAR_ALT, RAMBAR0, MBAR, |
2da12c60 NS |
244 | 0 |
245 | }; | |
246 | static const enum m68k_register mcf5275_ctrl[] = { | |
78336706 | 247 | VBR, CACR, ACR0, ACR1, RAMBAR, RAMBAR1, |
2da12c60 NS |
248 | 0 |
249 | }; | |
250 | static const enum m68k_register mcf5282_ctrl[] = { | |
78336706 NS |
251 | VBR, CACR, ACR0, ACR1, FLASHBAR, RAMBAR, RAMBAR1, |
252 | 0 | |
253 | }; | |
87298967 | 254 | static const enum m68k_register mcf53017_ctrl[] = { |
b345c8c2 | 255 | VBR, CACR, ACR0, ACR1, RAMBAR, RAMBAR1, |
87298967 NS |
256 | 0 |
257 | }; | |
78336706 | 258 | static const enum m68k_register mcf5307_ctrl[] = { |
87298967 | 259 | VBR, CACR, ACR0, ACR1, RAMBAR0, RAMBAR_ALT, MBAR, |
2da12c60 NS |
260 | 0 |
261 | }; | |
262 | static const enum m68k_register mcf5329_ctrl[] = { | |
78336706 | 263 | VBR, CACR, ACR0, ACR1, RAMBAR, RAMBAR1, |
2da12c60 NS |
264 | 0 |
265 | }; | |
266 | static const enum m68k_register mcf5373_ctrl[] = { | |
78336706 | 267 | VBR, CACR, ACR0, ACR1, RAMBAR, RAMBAR1, |
2da12c60 NS |
268 | 0 |
269 | }; | |
270 | static const enum m68k_register mcfv4e_ctrl[] = { | |
a8e24a56 NS |
271 | CACR, ASID, ACR0, ACR1, ACR2, ACR3, MMUBAR, |
272 | VBR, PC, ROMBAR0, ROMBAR1, RAMBAR0, RAMBAR1, | |
273 | MBAR, SECMBAR, | |
274 | MPCR /* Multiprocessor Control register */, | |
275 | EDRAMBAR /* Embedded DRAM Base Address Register */, | |
276 | /* Permutation control registers. */ | |
3e602632 NC |
277 | PCR1U0, PCR1L0, PCR1U1, PCR1L1, PCR2U0, PCR2L0, PCR2U1, PCR2L1, |
278 | PCR3U0, PCR3L0, PCR3U1, PCR3L1, | |
a8e24a56 NS |
279 | /* Legacy names */ |
280 | TC /* ASID */, BUSCR /* MMUBAR */, | |
281 | ITT0 /* ACR0 */, ITT1 /* ACR1 */, DTT0 /* ACR2 */, DTT1 /* ACR3 */, | |
282 | MBAR1 /* MBAR */, MBAR2 /* SECMBAR */, MBAR0 /* SECMBAR */, | |
78336706 | 283 | ROMBAR /* ROMBAR0 */, RAMBAR /* RAMBAR1 */, |
a8e24a56 NS |
284 | 0 |
285 | }; | |
def8fc92 KH |
286 | static const enum m68k_register mcf5407_ctrl[] = { |
287 | CACR, ASID, ACR0, ACR1, ACR2, ACR3, | |
288 | VBR, PC, RAMBAR0, RAMBAR1, MBAR, | |
289 | /* Legacy names */ | |
290 | TC /* ASID */, | |
291 | ITT0 /* ACR0 */, ITT1 /* ACR1 */, DTT0 /* ACR2 */, DTT1 /* ACR3 */, | |
292 | MBAR1 /* MBAR */, RAMBAR /* RAMBAR1 */, | |
293 | 0 | |
294 | }; | |
0d999f33 MK |
295 | static const enum m68k_register mcf54418_ctrl[] = { |
296 | CACR, ASID, ACR0, ACR1, ACR2, ACR3, ACR4, ACR5, ACR6, ACR7, MMUBAR, RGPIOBAR, | |
297 | VBR, PC, RAMBAR1, | |
298 | /* Legacy names */ | |
299 | TC /* ASID */, BUSCR /* MMUBAR */, | |
300 | ITT0 /* ACR0 */, ITT1 /* ACR1 */, DTT0 /* ACR2 */, DTT1 /* ACR3 */, | |
301 | RAMBAR /* RAMBAR1 */, | |
302 | 0 | |
303 | }; | |
9a2e615a NS |
304 | static const enum m68k_register mcf54455_ctrl[] = { |
305 | CACR, ASID, ACR0, ACR1, ACR2, ACR3, MMUBAR, | |
0d999f33 | 306 | VBR, PC, RAMBAR1, |
9a2e615a NS |
307 | /* Legacy names */ |
308 | TC /* ASID */, BUSCR /* MMUBAR */, | |
309 | ITT0 /* ACR0 */, ITT1 /* ACR1 */, DTT0 /* ACR2 */, DTT1 /* ACR3 */, | |
0d999f33 | 310 | RAMBAR /* RAMBAR1 */, |
9a2e615a NS |
311 | 0 |
312 | }; | |
a8e24a56 NS |
313 | static const enum m68k_register mcf5475_ctrl[] = { |
314 | CACR, ASID, ACR0, ACR1, ACR2, ACR3, MMUBAR, | |
315 | VBR, PC, RAMBAR0, RAMBAR1, MBAR, | |
316 | /* Legacy names */ | |
317 | TC /* ASID */, BUSCR /* MMUBAR */, | |
318 | ITT0 /* ACR0 */, ITT1 /* ACR1 */, DTT0 /* ACR2 */, DTT1 /* ACR3 */, | |
78336706 | 319 | MBAR1 /* MBAR */, RAMBAR /* RAMBAR1 */, |
a8e24a56 NS |
320 | 0 |
321 | }; | |
322 | static const enum m68k_register mcf5485_ctrl[] = { | |
323 | CACR, ASID, ACR0, ACR1, ACR2, ACR3, MMUBAR, | |
324 | VBR, PC, RAMBAR0, RAMBAR1, MBAR, | |
325 | /* Legacy names */ | |
326 | TC /* ASID */, BUSCR /* MMUBAR */, | |
327 | ITT0 /* ACR0 */, ITT1 /* ACR1 */, DTT0 /* ACR2 */, DTT1 /* ACR3 */, | |
78336706 | 328 | MBAR1 /* MBAR */, RAMBAR /* RAMBAR1 */, |
3e602632 NC |
329 | 0 |
330 | }; | |
f7ec513b | 331 | static const enum m68k_register fido_ctrl[] = { |
d0fa1372 | 332 | SFC, DFC, USP, VBR, CAC, MBO, |
f7ec513b KH |
333 | 0 |
334 | }; | |
2da12c60 | 335 | #define cpu32_ctrl m68010_ctrl |
252b5132 RH |
336 | |
337 | static const enum m68k_register *control_regs; | |
338 | ||
36759679 | 339 | /* Internal form of a 68020 instruction. */ |
252b5132 RH |
340 | struct m68k_it |
341 | { | |
342 | const char *error; | |
36759679 | 343 | const char *args; /* List of opcode info. */ |
252b5132 RH |
344 | int numargs; |
345 | ||
36759679 | 346 | int numo; /* Number of shorts in opcode. */ |
252b5132 RH |
347 | short opcode[11]; |
348 | ||
349 | struct m68k_op operands[6]; | |
350 | ||
36759679 | 351 | int nexp; /* Number of exprs in use. */ |
252b5132 RH |
352 | struct m68k_exp exprs[4]; |
353 | ||
36759679 | 354 | int nfrag; /* Number of frags we have to produce. */ |
252b5132 RH |
355 | struct |
356 | { | |
36759679 | 357 | int fragoff; /* Where in the current opcode the frag ends. */ |
252b5132 RH |
358 | symbolS *fadd; |
359 | offsetT foff; | |
360 | int fragty; | |
361 | } | |
362 | fragb[4]; | |
363 | ||
33eaf5de | 364 | int nrel; /* Num of reloc structs in use. */ |
252b5132 RH |
365 | struct |
366 | { | |
367 | int n; | |
368 | expressionS exp; | |
369 | char wid; | |
370 | char pcrel; | |
371 | /* In a pc relative address the difference between the address | |
372 | of the offset and the address that the offset is relative | |
373 | to. This depends on the addressing mode. Basically this | |
374 | is the value to put in the offset field to address the | |
375 | first byte of the offset, without regarding the special | |
376 | significance of some values (in the branch instruction, for | |
377 | example). */ | |
378 | int pcrel_fix; | |
252b5132 RH |
379 | /* Whether this expression needs special pic relocation, and if |
380 | so, which. */ | |
381 | enum pic_relocation pic_reloc; | |
252b5132 | 382 | } |
36759679 | 383 | reloc[5]; /* Five is enough??? */ |
252b5132 RH |
384 | }; |
385 | ||
9840d27e | 386 | #define cpu_of_arch(x) ((x) & (m68000up | mcfisa_a | fido_a)) |
252b5132 RH |
387 | #define float_of_arch(x) ((x) & mfloat) |
388 | #define mmu_of_arch(x) ((x) & mmmu) | |
6b6e92f4 NC |
389 | #define arch_coldfire_p(x) ((x) & mcfisa_a) |
390 | #define arch_coldfire_fpu(x) ((x) & cfloat) | |
252b5132 | 391 | |
36759679 | 392 | /* Macros for determining if cpu supports a specific addressing mode. */ |
9a2e615a NS |
393 | #define HAVE_LONG_DISP(x) \ |
394 | ((x) & (m68020|m68030|m68040|m68060|cpu32|fido_a|mcfisa_b|mcfisa_c)) | |
395 | #define HAVE_LONG_CALL(x) \ | |
396 | ((x) & (m68020|m68030|m68040|m68060|cpu32|fido_a|mcfisa_b|mcfisa_c)) | |
397 | #define HAVE_LONG_COND(x) \ | |
398 | ((x) & (m68020|m68030|m68040|m68060|cpu32|fido_a|mcfisa_b|mcfisa_c)) | |
399 | #define HAVE_LONG_BRANCH(x) \ | |
400 | ((x) & (m68020|m68030|m68040|m68060|cpu32|fido_a|mcfisa_b)) | |
cac27205 | 401 | #define LONG_BRANCH_VIA_COND(x) (HAVE_LONG_COND(x) && !HAVE_LONG_BRANCH(x)) |
252b5132 | 402 | |
36759679 | 403 | static struct m68k_it the_ins; /* The instruction being assembled. */ |
252b5132 RH |
404 | |
405 | #define op(ex) ((ex)->exp.X_op) | |
406 | #define adds(ex) ((ex)->exp.X_add_symbol) | |
407 | #define subs(ex) ((ex)->exp.X_op_symbol) | |
408 | #define offs(ex) ((ex)->exp.X_add_number) | |
409 | ||
36759679 | 410 | /* Macros for adding things to the m68k_it struct. */ |
31302357 | 411 | #define addword(w) (the_ins.opcode[the_ins.numo++] = (w)) |
252b5132 | 412 | |
36759679 NC |
413 | /* Like addword, but goes BEFORE general operands. */ |
414 | ||
252b5132 | 415 | static void |
31302357 | 416 | insop (int w, const struct m68k_incant *opcode) |
252b5132 RH |
417 | { |
418 | int z; | |
07726851 | 419 | for (z = the_ins.numo; z > opcode->m_codenum; --z) |
8a104df9 KH |
420 | the_ins.opcode[z] = the_ins.opcode[z - 1]; |
421 | for (z = 0; z < the_ins.nrel; z++) | |
422 | the_ins.reloc[z].n += 2; | |
252b5132 RH |
423 | for (z = 0; z < the_ins.nfrag; z++) |
424 | the_ins.fragb[z].fragoff++; | |
8a104df9 | 425 | the_ins.opcode[opcode->m_codenum] = w; |
252b5132 RH |
426 | the_ins.numo++; |
427 | } | |
428 | ||
429 | /* The numo+1 kludge is so we can hit the low order byte of the prev word. | |
430 | Blecch. */ | |
431 | static void | |
31302357 | 432 | add_fix (int width, struct m68k_exp *exp, int pc_rel, int pc_fix) |
252b5132 | 433 | { |
31302357 AS |
434 | the_ins.reloc[the_ins.nrel].n = (width == 'B' || width == '3' |
435 | ? the_ins.numo * 2 - 1 | |
436 | : (width == 'b' | |
437 | ? the_ins.numo * 2 + 1 | |
438 | : the_ins.numo * 2)); | |
252b5132 RH |
439 | the_ins.reloc[the_ins.nrel].exp = exp->exp; |
440 | the_ins.reloc[the_ins.nrel].wid = width; | |
441 | the_ins.reloc[the_ins.nrel].pcrel_fix = pc_fix; | |
252b5132 | 442 | the_ins.reloc[the_ins.nrel].pic_reloc = exp->pic_reloc; |
252b5132 RH |
443 | the_ins.reloc[the_ins.nrel++].pcrel = pc_rel; |
444 | } | |
445 | ||
446 | /* Cause an extra frag to be generated here, inserting up to 10 bytes | |
447 | (that value is chosen in the frag_var call in md_assemble). TYPE | |
448 | is the subtype of the frag to be generated; its primary type is | |
449 | rs_machine_dependent. | |
450 | ||
451 | The TYPE parameter is also used by md_convert_frag_1 and | |
452 | md_estimate_size_before_relax. The appropriate type of fixup will | |
453 | be emitted by md_convert_frag_1. | |
454 | ||
455 | ADD becomes the FR_SYMBOL field of the frag, and OFF the FR_OFFSET. */ | |
456 | static void | |
31302357 | 457 | add_frag (symbolS *add, offsetT off, int type) |
252b5132 | 458 | { |
8a104df9 KH |
459 | the_ins.fragb[the_ins.nfrag].fragoff = the_ins.numo; |
460 | the_ins.fragb[the_ins.nfrag].fadd = add; | |
461 | the_ins.fragb[the_ins.nfrag].foff = off; | |
462 | the_ins.fragb[the_ins.nfrag++].fragty = type; | |
252b5132 RH |
463 | } |
464 | ||
465 | #define isvar(ex) \ | |
466 | (op (ex) != O_constant && op (ex) != O_big) | |
467 | ||
31302357 AS |
468 | static char *crack_operand (char *str, struct m68k_op *opP); |
469 | static int get_num (struct m68k_exp *exp, int ok); | |
470 | static int reverse_16_bits (int in); | |
471 | static int reverse_8_bits (int in); | |
472 | static void install_gen_operand (int mode, int val); | |
473 | static void install_operand (int mode, int val); | |
474 | static void s_bss (int); | |
475 | static void s_data1 (int); | |
476 | static void s_data2 (int); | |
477 | static void s_even (int); | |
478 | static void s_proc (int); | |
479 | static void s_chip (int); | |
480 | static void s_fopt (int); | |
481 | static void s_opt (int); | |
482 | static void s_reg (int); | |
483 | static void s_restore (int); | |
484 | static void s_save (int); | |
485 | static void s_mri_if (int); | |
486 | static void s_mri_else (int); | |
487 | static void s_mri_endi (int); | |
488 | static void s_mri_break (int); | |
489 | static void s_mri_next (int); | |
490 | static void s_mri_for (int); | |
491 | static void s_mri_endf (int); | |
492 | static void s_mri_repeat (int); | |
493 | static void s_mri_until (int); | |
494 | static void s_mri_while (int); | |
495 | static void s_mri_endw (int); | |
266abb8f NS |
496 | static void s_m68k_cpu (int); |
497 | static void s_m68k_arch (int); | |
498 | ||
499 | struct m68k_cpu | |
500 | { | |
501 | unsigned long arch; /* Architecture features. */ | |
2da12c60 | 502 | const enum m68k_register *control_regs; /* Control regs on chip */ |
266abb8f | 503 | const char *name; /* Name */ |
2b0f3761 | 504 | int alias; /* Alias for a canonical name. If 1, then |
0b2e31dc NS |
505 | succeeds canonical name, if -1 then |
506 | succeeds canonical name, if <-1 ||>1 this is a | |
507 | deprecated name, and the next/previous name | |
508 | should be used. */ | |
266abb8f | 509 | }; |
252b5132 | 510 | |
266abb8f NS |
511 | /* We hold flags for features explicitly enabled and explicitly |
512 | disabled. */ | |
252b5132 | 513 | static int current_architecture; |
266abb8f | 514 | static int not_current_architecture; |
266abb8f NS |
515 | static const struct m68k_cpu *selected_arch; |
516 | static const struct m68k_cpu *selected_cpu; | |
517 | static int initialized; | |
252b5132 | 518 | |
266abb8f NS |
519 | /* Architecture models. */ |
520 | static const struct m68k_cpu m68k_archs[] = | |
521 | { | |
2da12c60 NS |
522 | {m68000, m68000_ctrl, "68000", 0}, |
523 | {m68010, m68010_ctrl, "68010", 0}, | |
524 | {m68020|m68881|m68851, m68020_ctrl, "68020", 0}, | |
525 | {m68030|m68881|m68851, m68020_ctrl, "68030", 0}, | |
526 | {m68040, m68040_ctrl, "68040", 0}, | |
527 | {m68060, m68060_ctrl, "68060", 0}, | |
528 | {cpu32|m68881, cpu32_ctrl, "cpu32", 0}, | |
3bdcfdf4 | 529 | {fido_a, fido_ctrl, "fidoa", 0}, |
2da12c60 NS |
530 | {mcfisa_a|mcfhwdiv, NULL, "isaa", 0}, |
531 | {mcfisa_a|mcfhwdiv|mcfisa_aa|mcfusp, NULL, "isaaplus", 0}, | |
532 | {mcfisa_a|mcfhwdiv|mcfisa_b|mcfusp, NULL, "isab", 0}, | |
9a2e615a | 533 | {mcfisa_a|mcfhwdiv|mcfisa_c|mcfusp, NULL, "isac", 0}, |
2da12c60 NS |
534 | {mcfisa_a|mcfhwdiv|mcfisa_b|mcfmac|mcfusp, mcf_ctrl, "cfv4", 0}, |
535 | {mcfisa_a|mcfhwdiv|mcfisa_b|mcfemac|mcfusp|cfloat, mcfv4e_ctrl, "cfv4e", 0}, | |
266abb8f NS |
536 | {0,0,NULL, 0} |
537 | }; | |
252b5132 | 538 | |
87298967 NS |
539 | /* For -mno-mac we want to turn off all types of mac. */ |
540 | static const unsigned no_mac = mcfmac | mcfemac; | |
541 | ||
0b2e31dc NS |
542 | /* Architecture extensions, here 'alias' -1 for m68k, +1 for cf and 0 |
543 | for either. */ | |
266abb8f NS |
544 | static const struct m68k_cpu m68k_extensions[] = |
545 | { | |
2da12c60 NS |
546 | {m68851, NULL, "68851", -1}, |
547 | {m68881, NULL, "68881", -1}, | |
548 | {m68881, NULL, "68882", -1}, | |
cf869cce | 549 | |
2da12c60 | 550 | {cfloat|m68881, NULL, "float", 0}, |
cf869cce | 551 | |
2da12c60 NS |
552 | {mcfhwdiv, NULL, "div", 1}, |
553 | {mcfusp, NULL, "usp", 1}, | |
87298967 | 554 | {mcfmac, (void *)&no_mac, "mac", 1}, |
2da12c60 | 555 | {mcfemac, NULL, "emac", 1}, |
cf869cce | 556 | |
2da12c60 | 557 | {0,NULL,NULL, 0} |
266abb8f NS |
558 | }; |
559 | ||
560 | /* Processor list */ | |
561 | static const struct m68k_cpu m68k_cpus[] = | |
562 | { | |
2da12c60 NS |
563 | {m68000, m68000_ctrl, "68000", 0}, |
564 | {m68000, m68000_ctrl, "68ec000", 1}, | |
565 | {m68000, m68000_ctrl, "68hc000", 1}, | |
566 | {m68000, m68000_ctrl, "68hc001", 1}, | |
567 | {m68000, m68000_ctrl, "68008", 1}, | |
568 | {m68000, m68000_ctrl, "68302", 1}, | |
569 | {m68000, m68000_ctrl, "68306", 1}, | |
570 | {m68000, m68000_ctrl, "68307", 1}, | |
571 | {m68000, m68000_ctrl, "68322", 1}, | |
572 | {m68000, m68000_ctrl, "68356", 1}, | |
573 | {m68010, m68010_ctrl, "68010", 0}, | |
574 | {m68020|m68881|m68851, m68020_ctrl, "68020", 0}, | |
575 | {m68020|m68881|m68851, m68020_ctrl, "68k", 1}, | |
576 | {m68020|m68881|m68851, m68020_ctrl, "68ec020", 1}, | |
577 | {m68030|m68881|m68851, m68020_ctrl, "68030", 0}, | |
578 | {m68030|m68881|m68851, m68020_ctrl, "68ec030", 1}, | |
579 | {m68040, m68040_ctrl, "68040", 0}, | |
580 | {m68040, m68040_ctrl, "68ec040", 1}, | |
581 | {m68060, m68060_ctrl, "68060", 0}, | |
582 | {m68060, m68060_ctrl, "68ec060", 1}, | |
cf869cce | 583 | |
2da12c60 NS |
584 | {cpu32|m68881, cpu32_ctrl, "cpu32", 0}, |
585 | {cpu32|m68881, cpu32_ctrl, "68330", 1}, | |
586 | {cpu32|m68881, cpu32_ctrl, "68331", 1}, | |
587 | {cpu32|m68881, cpu32_ctrl, "68332", 1}, | |
588 | {cpu32|m68881, cpu32_ctrl, "68333", 1}, | |
589 | {cpu32|m68881, cpu32_ctrl, "68334", 1}, | |
590 | {cpu32|m68881, cpu32_ctrl, "68336", 1}, | |
591 | {cpu32|m68881, cpu32_ctrl, "68340", 1}, | |
592 | {cpu32|m68881, cpu32_ctrl, "68341", 1}, | |
593 | {cpu32|m68881, cpu32_ctrl, "68349", 1}, | |
594 | {cpu32|m68881, cpu32_ctrl, "68360", 1}, | |
f75192f2 | 595 | |
87298967 NS |
596 | {mcfisa_a|mcfisa_c|mcfusp, mcf51_ctrl, "51", 0}, |
597 | {mcfisa_a|mcfisa_c|mcfusp, mcf51_ctrl, "51ac", 1}, | |
c1c30076 | 598 | {mcfisa_a|mcfisa_c|mcfusp, mcf51_ctrl, "51ag", 1}, |
87298967 NS |
599 | {mcfisa_a|mcfisa_c|mcfusp, mcf51_ctrl, "51cn", 1}, |
600 | {mcfisa_a|mcfisa_c|mcfusp|mcfmac, mcf51_ctrl, "51em", 1}, | |
c1c30076 NS |
601 | {mcfisa_a|mcfisa_c|mcfusp|mcfmac, mcf51_ctrl, "51je", 1}, |
602 | {mcfisa_a|mcfisa_c|mcfusp|mcfemac, mcf51_ctrl, "51jf", 1}, | |
603 | {mcfisa_a|mcfisa_c|mcfusp|mcfemac, mcf51_ctrl, "51jg", 1}, | |
87298967 | 604 | {mcfisa_a|mcfisa_c|mcfusp, mcf51_ctrl, "51jm", 1}, |
c1c30076 | 605 | {mcfisa_a|mcfisa_c|mcfusp|mcfmac, mcf51_ctrl, "51mm", 1}, |
87298967 | 606 | {mcfisa_a|mcfisa_c|mcfusp, mcf51_ctrl, "51qe", 1}, |
c1c30076 | 607 | {mcfisa_a|mcfisa_c|mcfusp|mcfemac, mcf51_ctrl, "51qm", 1}, |
cf869cce | 608 | |
2da12c60 NS |
609 | {mcfisa_a, mcf_ctrl, "5200", 0}, |
610 | {mcfisa_a, mcf_ctrl, "5202", 1}, | |
611 | {mcfisa_a, mcf_ctrl, "5204", 1}, | |
78336706 | 612 | {mcfisa_a, mcf5206_ctrl, "5206", 1}, |
cf869cce | 613 | |
78336706 | 614 | {mcfisa_a|mcfhwdiv|mcfmac, mcf5206_ctrl, "5206e", 0}, |
cf869cce | 615 | |
2da12c60 NS |
616 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5208_ctrl, "5207", -1}, |
617 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5208_ctrl, "5208", 0}, | |
cf869cce | 618 | |
96e0bbcc NS |
619 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf5210a_ctrl, "5210a", 0}, |
620 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf5210a_ctrl, "5211a", 1}, | |
cf869cce | 621 | |
2da12c60 NS |
622 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf5213_ctrl, "5211", -1}, |
623 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf5213_ctrl, "5212", -1}, | |
624 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf5213_ctrl, "5213", 0}, | |
cf869cce | 625 | |
2da12c60 NS |
626 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5216_ctrl, "5214", -1}, |
627 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5216_ctrl, "5216", 0}, | |
628 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5216_ctrl, "521x", 2}, | |
629 | ||
46203761 MK |
630 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf5221x_ctrl, "5221x", 0}, |
631 | ||
d5be9593 NS |
632 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf52223_ctrl, "52221", -1}, |
633 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf52223_ctrl, "52223", 0}, | |
634 | ||
96e0bbcc NS |
635 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52235_ctrl, "52230", -1}, |
636 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52235_ctrl, "52233", -1}, | |
637 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52235_ctrl, "52234", -1}, | |
638 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52235_ctrl, "52235", 0}, | |
cf869cce | 639 | |
96e0bbcc NS |
640 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf5225_ctrl, "5224", -1}, |
641 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf5225_ctrl, "5225", 0}, | |
cf869cce | 642 | |
87298967 NS |
643 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52277_ctrl, "52274", -1}, |
644 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52277_ctrl, "52277", 0}, | |
3739860c | 645 | |
2da12c60 NS |
646 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5235_ctrl, "5232", -1}, |
647 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5235_ctrl, "5233", -1}, | |
648 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5235_ctrl, "5234", -1}, | |
649 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5235_ctrl, "5235", -1}, | |
650 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5235_ctrl, "523x", 0}, | |
3739860c | 651 | |
2da12c60 NS |
652 | {mcfisa_a|mcfhwdiv|mcfemac, mcf5249_ctrl, "5249", 0}, |
653 | {mcfisa_a|mcfhwdiv|mcfemac, mcf5250_ctrl, "5250", 0}, | |
d5be9593 | 654 | {mcfisa_a|mcfhwdiv|mcfemac, mcf5253_ctrl, "5253", 0}, |
87298967 NS |
655 | |
656 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52259_ctrl, "52252", -1}, | |
657 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52259_ctrl, "52254", -1}, | |
658 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52259_ctrl, "52255", -1}, | |
659 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52259_ctrl, "52256", -1}, | |
660 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52259_ctrl, "52258", -1}, | |
661 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52259_ctrl, "52259", 0}, | |
3739860c | 662 | |
2da12c60 NS |
663 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5271_ctrl, "5270", -1}, |
664 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5271_ctrl, "5271", 0}, | |
3739860c | 665 | |
2da12c60 | 666 | {mcfisa_a|mcfhwdiv|mcfmac, mcf5272_ctrl, "5272", 0}, |
3739860c | 667 | |
2da12c60 NS |
668 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5275_ctrl, "5274", -1}, |
669 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5275_ctrl, "5275", 0}, | |
3739860c | 670 | |
2da12c60 NS |
671 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5282_ctrl, "5280", -1}, |
672 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5282_ctrl, "5281", -1}, | |
673 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5282_ctrl, "5282", -1}, | |
674 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5282_ctrl, "528x", 0}, | |
3739860c | 675 | |
87298967 NS |
676 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf53017_ctrl, "53011", -1}, |
677 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf53017_ctrl, "53012", -1}, | |
678 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf53017_ctrl, "53013", -1}, | |
679 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf53017_ctrl, "53014", -1}, | |
680 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf53017_ctrl, "53015", -1}, | |
681 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf53017_ctrl, "53016", -1}, | |
682 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf53017_ctrl, "53017", 0}, | |
3739860c | 683 | |
78336706 | 684 | {mcfisa_a|mcfhwdiv|mcfmac, mcf5307_ctrl, "5307", 0}, |
3739860c | 685 | |
2da12c60 NS |
686 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5329_ctrl, "5327", -1}, |
687 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5329_ctrl, "5328", -1}, | |
688 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5329_ctrl, "5329", -1}, | |
689 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5329_ctrl, "532x", 0}, | |
3739860c | 690 | |
2da12c60 NS |
691 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5373_ctrl, "5372", -1}, |
692 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5373_ctrl, "5373", -1}, | |
693 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5373_ctrl, "537x", 0}, | |
3739860c | 694 | |
def8fc92 | 695 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfmac, mcf5407_ctrl, "5407",0}, |
9a2e615a | 696 | |
0d999f33 MK |
697 | {mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54418_ctrl, "54410", -1}, |
698 | {mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54418_ctrl, "54415", -1}, | |
699 | {mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54418_ctrl, "54416", -1}, | |
700 | {mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54418_ctrl, "54417", -1}, | |
701 | {mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54418_ctrl, "54418", 0}, | |
702 | ||
9a2e615a NS |
703 | {mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54455_ctrl, "54450", -1}, |
704 | {mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54455_ctrl, "54451", -1}, | |
705 | {mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54455_ctrl, "54452", -1}, | |
706 | {mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54455_ctrl, "54453", -1}, | |
707 | {mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54455_ctrl, "54454", -1}, | |
708 | {mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54455_ctrl, "54455", 0}, | |
3739860c | 709 | |
a8e24a56 NS |
710 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5475_ctrl, "5470", -1}, |
711 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5475_ctrl, "5471", -1}, | |
712 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5475_ctrl, "5472", -1}, | |
713 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5475_ctrl, "5473", -1}, | |
714 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5475_ctrl, "5474", -1}, | |
715 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5475_ctrl, "5475", -1}, | |
716 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5475_ctrl, "547x", 0}, | |
3739860c | 717 | |
a8e24a56 NS |
718 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5485_ctrl, "5480", -1}, |
719 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5485_ctrl, "5481", -1}, | |
720 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5485_ctrl, "5482", -1}, | |
721 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5485_ctrl, "5483", -1}, | |
722 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5485_ctrl, "5484", -1}, | |
723 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5485_ctrl, "5485", -1}, | |
724 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5485_ctrl, "548x", 0}, | |
3739860c | 725 | |
b3768379 | 726 | {fido_a, fido_ctrl, "fidoa", 0}, |
3bdcfdf4 | 727 | {fido_a, fido_ctrl, "fido", 1}, |
9840d27e | 728 | |
2da12c60 | 729 | {0,NULL,NULL, 0} |
dc84e067 | 730 | }; |
252b5132 | 731 | |
266abb8f NS |
732 | static const struct m68k_cpu *m68k_lookup_cpu |
733 | (const char *, const struct m68k_cpu *, int, int *); | |
734 | static int m68k_set_arch (const char *, int, int); | |
735 | static int m68k_set_cpu (const char *, int, int); | |
736 | static int m68k_set_extension (const char *, int, int); | |
737 | static void m68k_init_arch (void); | |
252b5132 | 738 | |
151337e8 NC |
739 | /* This is the assembler relaxation table for m68k. m68k is a rich CISC |
740 | architecture and we have a lot of relaxation modes. */ | |
252b5132 | 741 | |
151337e8 NC |
742 | /* Macros used in the relaxation code. */ |
743 | #define TAB(x,y) (((x) << 2) + (y)) | |
744 | #define TABTYPE(x) ((x) >> 2) | |
745 | ||
746 | /* Relaxation states. */ | |
747 | #define BYTE 0 | |
748 | #define SHORT 1 | |
749 | #define LONG 2 | |
750 | #define SZ_UNDEF 3 | |
751 | ||
752 | /* Here are all the relaxation modes we support. First we can relax ordinary | |
753 | branches. On 68020 and higher and on CPU32 all branch instructions take | |
754 | three forms, so on these CPUs all branches always remain as such. When we | |
755 | have to expand to the LONG form on a 68000, though, we substitute an | |
756 | absolute jump instead. This is a direct replacement for unconditional | |
757 | branches and a branch over a jump for conditional branches. However, if the | |
758 | user requires PIC and disables this with --pcrel, we can only relax between | |
759 | BYTE and SHORT forms, punting if that isn't enough. This gives us four | |
760 | different relaxation modes for branches: */ | |
761 | ||
36759679 NC |
762 | #define BRANCHBWL 0 /* Branch byte, word, or long. */ |
763 | #define BRABSJUNC 1 /* Absolute jump for LONG, unconditional. */ | |
764 | #define BRABSJCOND 2 /* Absolute jump for LONG, conditional. */ | |
765 | #define BRANCHBW 3 /* Branch byte or word. */ | |
151337e8 NC |
766 | |
767 | /* We also relax coprocessor branches and DBcc's. All CPUs that support | |
768 | coprocessor branches support them in word and long forms, so we have only | |
769 | one relaxation mode for them. DBcc's are word only on all CPUs. We can | |
770 | relax them to the LONG form with a branch-around sequence. This sequence | |
771 | can use a long branch (if available) or an absolute jump (if acceptable). | |
772 | This gives us two relaxation modes. If long branches are not available and | |
773 | absolute jumps are not acceptable, we don't relax DBcc's. */ | |
774 | ||
36759679 NC |
775 | #define FBRANCH 4 /* Coprocessor branch. */ |
776 | #define DBCCLBR 5 /* DBcc relaxable with a long branch. */ | |
777 | #define DBCCABSJ 6 /* DBcc relaxable with an absolute jump. */ | |
151337e8 NC |
778 | |
779 | /* That's all for instruction relaxation. However, we also relax PC-relative | |
780 | operands. Specifically, we have three operand relaxation modes. On the | |
781 | 68000 PC-relative operands can only be 16-bit, but on 68020 and higher and | |
782 | on CPU32 they may be 16-bit or 32-bit. For the latter we relax between the | |
783 | two. Also PC+displacement+index operands in their simple form (with a non- | |
784 | suppressed index without memory indirection) are supported on all CPUs, but | |
785 | on the 68000 the displacement can be 8-bit only, whereas on 68020 and higher | |
786 | and on CPU32 we relax it to SHORT and LONG forms as well using the extended | |
787 | form of the PC+displacement+index operand. Finally, some absolute operands | |
788 | can be relaxed down to 16-bit PC-relative. */ | |
789 | ||
36759679 NC |
790 | #define PCREL1632 7 /* 16-bit or 32-bit PC-relative. */ |
791 | #define PCINDEX 8 /* PC + displacement + index. */ | |
792 | #define ABSTOPCREL 9 /* Absolute relax down to 16-bit PC-relative. */ | |
252b5132 | 793 | |
cac27205 NC |
794 | /* This relaxation is required for branches where there is no long |
795 | branch and we are in pcrel mode. We generate a bne/beq pair. */ | |
796 | #define BRANCHBWPL 10 /* Branch byte, word or pair of longs | |
797 | */ | |
798 | ||
252b5132 | 799 | /* Note that calls to frag_var need to specify the maximum expansion |
cac27205 NC |
800 | needed; this is currently 12 bytes for bne/beq pair. */ |
801 | #define FRAG_VAR_SIZE 12 | |
252b5132 RH |
802 | |
803 | /* The fields are: | |
804 | How far Forward this mode will reach: | |
805 | How far Backward this mode will reach: | |
806 | How many bytes this mode will add to the size of the frag | |
807 | Which mode to go to if the offset won't fit in this one | |
d7861ad2 AM |
808 | |
809 | Please check tc-m68k.h:md_prepare_relax_scan if changing this table. */ | |
252b5132 RH |
810 | relax_typeS md_relax_table[] = |
811 | { | |
ac62c346 AM |
812 | { 127, -128, 0, TAB (BRANCHBWL, SHORT) }, |
813 | { 32767, -32768, 2, TAB (BRANCHBWL, LONG) }, | |
814 | { 0, 0, 4, 0 }, | |
815 | { 1, 1, 0, 0 }, | |
816 | ||
817 | { 127, -128, 0, TAB (BRABSJUNC, SHORT) }, | |
818 | { 32767, -32768, 2, TAB (BRABSJUNC, LONG) }, | |
819 | { 0, 0, 4, 0 }, | |
820 | { 1, 1, 0, 0 }, | |
821 | ||
822 | { 127, -128, 0, TAB (BRABSJCOND, SHORT) }, | |
823 | { 32767, -32768, 2, TAB (BRABSJCOND, LONG) }, | |
824 | { 0, 0, 6, 0 }, | |
825 | { 1, 1, 0, 0 }, | |
826 | ||
827 | { 127, -128, 0, TAB (BRANCHBW, SHORT) }, | |
828 | { 0, 0, 2, 0 }, | |
829 | { 1, 1, 0, 0 }, | |
830 | { 1, 1, 0, 0 }, | |
831 | ||
36759679 | 832 | { 1, 1, 0, 0 }, /* FBRANCH doesn't come BYTE. */ |
ac62c346 AM |
833 | { 32767, -32768, 2, TAB (FBRANCH, LONG) }, |
834 | { 0, 0, 4, 0 }, | |
835 | { 1, 1, 0, 0 }, | |
836 | ||
36759679 | 837 | { 1, 1, 0, 0 }, /* DBCC doesn't come BYTE. */ |
ac62c346 AM |
838 | { 32767, -32768, 2, TAB (DBCCLBR, LONG) }, |
839 | { 0, 0, 10, 0 }, | |
840 | { 1, 1, 0, 0 }, | |
841 | ||
36759679 | 842 | { 1, 1, 0, 0 }, /* DBCC doesn't come BYTE. */ |
ac62c346 AM |
843 | { 32767, -32768, 2, TAB (DBCCABSJ, LONG) }, |
844 | { 0, 0, 10, 0 }, | |
845 | { 1, 1, 0, 0 }, | |
846 | ||
36759679 | 847 | { 1, 1, 0, 0 }, /* PCREL1632 doesn't come BYTE. */ |
ac62c346 AM |
848 | { 32767, -32768, 2, TAB (PCREL1632, LONG) }, |
849 | { 0, 0, 6, 0 }, | |
850 | { 1, 1, 0, 0 }, | |
851 | ||
852 | { 125, -130, 0, TAB (PCINDEX, SHORT) }, | |
853 | { 32765, -32770, 2, TAB (PCINDEX, LONG) }, | |
854 | { 0, 0, 4, 0 }, | |
855 | { 1, 1, 0, 0 }, | |
856 | ||
36759679 | 857 | { 1, 1, 0, 0 }, /* ABSTOPCREL doesn't come BYTE. */ |
ac62c346 AM |
858 | { 32767, -32768, 2, TAB (ABSTOPCREL, LONG) }, |
859 | { 0, 0, 4, 0 }, | |
860 | { 1, 1, 0, 0 }, | |
3739860c | 861 | |
cac27205 NC |
862 | { 127, -128, 0, TAB (BRANCHBWPL, SHORT) }, |
863 | { 32767, -32768, 2, TAB (BRANCHBWPL, LONG) }, | |
864 | { 0, 0, 10, 0 }, | |
865 | { 1, 1, 0, 0 }, | |
252b5132 RH |
866 | }; |
867 | ||
868 | /* These are the machine dependent pseudo-ops. These are included so | |
869 | the assembler can work on the output from the SUN C compiler, which | |
36759679 | 870 | generates these. */ |
252b5132 RH |
871 | |
872 | /* This table describes all the machine specific pseudo-ops the assembler | |
873 | has to support. The fields are: | |
874 | pseudo-op name without dot | |
875 | function to call to execute this pseudo-op | |
36759679 | 876 | Integer arg to pass to the function. */ |
252b5132 RH |
877 | const pseudo_typeS md_pseudo_table[] = |
878 | { | |
879 | {"data1", s_data1, 0}, | |
880 | {"data2", s_data2, 0}, | |
881 | {"bss", s_bss, 0}, | |
882 | {"even", s_even, 0}, | |
883 | {"skip", s_space, 0}, | |
884 | {"proc", s_proc, 0}, | |
252b5132 | 885 | {"align", s_align_bytes, 0}, |
252b5132 | 886 | {"swbeg", s_ignore, 0}, |
cf869cce | 887 | {"long", m68k_elf_cons, 4}, |
252b5132 RH |
888 | {"extend", float_cons, 'x'}, |
889 | {"ldouble", float_cons, 'x'}, | |
890 | ||
266abb8f NS |
891 | {"arch", s_m68k_arch, 0}, |
892 | {"cpu", s_m68k_cpu, 0}, | |
85f7484a | 893 | {"gnu_attribute", m68k_elf_gnu_attribute, 0}, |
266abb8f | 894 | |
252b5132 RH |
895 | /* The following pseudo-ops are supported for MRI compatibility. */ |
896 | {"chip", s_chip, 0}, | |
897 | {"comline", s_space, 1}, | |
898 | {"fopt", s_fopt, 0}, | |
899 | {"mask2", s_ignore, 0}, | |
900 | {"opt", s_opt, 0}, | |
901 | {"reg", s_reg, 0}, | |
902 | {"restore", s_restore, 0}, | |
903 | {"save", s_save, 0}, | |
904 | ||
905 | {"if", s_mri_if, 0}, | |
906 | {"if.b", s_mri_if, 'b'}, | |
907 | {"if.w", s_mri_if, 'w'}, | |
908 | {"if.l", s_mri_if, 'l'}, | |
909 | {"else", s_mri_else, 0}, | |
910 | {"else.s", s_mri_else, 's'}, | |
911 | {"else.l", s_mri_else, 'l'}, | |
912 | {"endi", s_mri_endi, 0}, | |
913 | {"break", s_mri_break, 0}, | |
914 | {"break.s", s_mri_break, 's'}, | |
915 | {"break.l", s_mri_break, 'l'}, | |
916 | {"next", s_mri_next, 0}, | |
917 | {"next.s", s_mri_next, 's'}, | |
918 | {"next.l", s_mri_next, 'l'}, | |
919 | {"for", s_mri_for, 0}, | |
920 | {"for.b", s_mri_for, 'b'}, | |
921 | {"for.w", s_mri_for, 'w'}, | |
922 | {"for.l", s_mri_for, 'l'}, | |
923 | {"endf", s_mri_endf, 0}, | |
924 | {"repeat", s_mri_repeat, 0}, | |
925 | {"until", s_mri_until, 0}, | |
926 | {"until.b", s_mri_until, 'b'}, | |
927 | {"until.w", s_mri_until, 'w'}, | |
928 | {"until.l", s_mri_until, 'l'}, | |
929 | {"while", s_mri_while, 0}, | |
930 | {"while.b", s_mri_while, 'b'}, | |
931 | {"while.w", s_mri_while, 'w'}, | |
932 | {"while.l", s_mri_while, 'l'}, | |
933 | {"endw", s_mri_endw, 0}, | |
934 | ||
935 | {0, 0, 0} | |
936 | }; | |
937 | ||
252b5132 | 938 | /* The mote pseudo ops are put into the opcode table, since they |
31302357 | 939 | don't start with a . they look like opcodes to gas. */ |
252b5132 | 940 | |
5a38dc70 | 941 | const pseudo_typeS mote_pseudo_table[] = |
252b5132 RH |
942 | { |
943 | ||
944 | {"dcl", cons, 4}, | |
945 | {"dc", cons, 2}, | |
946 | {"dcw", cons, 2}, | |
947 | {"dcb", cons, 1}, | |
948 | ||
949 | {"dsl", s_space, 4}, | |
950 | {"ds", s_space, 2}, | |
951 | {"dsw", s_space, 2}, | |
952 | {"dsb", s_space, 1}, | |
953 | ||
954 | {"xdef", s_globl, 0}, | |
252b5132 | 955 | {"align", s_align_bytes, 0}, |
252b5132 RH |
956 | {0, 0, 0} |
957 | }; | |
958 | ||
bd17c2c3 AM |
959 | /* Truncate and sign-extend at 32 bits, so that building on a 64-bit host |
960 | gives identical results to a 32-bit host. */ | |
961 | #define TRUNC(X) ((valueT) (X) & 0xffffffff) | |
962 | #define SEXT(X) ((TRUNC (X) ^ 0x80000000) - 0x80000000) | |
963 | ||
964 | #define issbyte(x) ((valueT) SEXT (x) + 0x80 < 0x100) | |
965 | #define isubyte(x) ((valueT) TRUNC (x) < 0x100) | |
966 | #define issword(x) ((valueT) SEXT (x) + 0x8000 < 0x10000) | |
967 | #define isuword(x) ((valueT) TRUNC (x) < 0x10000) | |
968 | ||
969 | #define isbyte(x) ((valueT) SEXT (x) + 0xff < 0x1ff) | |
970 | #define isword(x) ((valueT) SEXT (x) + 0xffff < 0x1ffff) | |
252b5132 RH |
971 | #define islong(x) (1) |
972 | ||
252b5132 RH |
973 | static char notend_table[256]; |
974 | static char alt_notend_table[256]; | |
975 | #define notend(s) \ | |
976 | (! (notend_table[(unsigned char) *s] \ | |
977 | || (*s == ':' \ | |
978 | && alt_notend_table[(unsigned char) s[1]]))) | |
979 | ||
252b5132 | 980 | |
c801568a AM |
981 | /* Return zero if the reference to SYMBOL from within the same segment may |
982 | be relaxed. */ | |
983 | ||
984 | /* On an ELF system, we can't relax an externally visible symbol, | |
985 | because it may be overridden by a shared library. However, if | |
986 | TARGET_OS is "elf", then we presume that we are assembling for an | |
987 | embedded system, in which case we don't have to worry about shared | |
988 | libraries, and we can relax any external sym. */ | |
989 | ||
990 | #define relaxable_symbol(symbol) \ | |
6358301e | 991 | (!((S_IS_EXTERNAL (symbol) && EXTERN_FORCE_RELOC) \ |
c801568a AM |
992 | || S_IS_WEAK (symbol))) |
993 | ||
252b5132 RH |
994 | /* Compute the relocation code for a fixup of SIZE bytes, using pc |
995 | relative relocation if PCREL is non-zero. PIC says whether a special | |
996 | pic relocation was requested. */ | |
997 | ||
252b5132 | 998 | static bfd_reloc_code_real_type |
31302357 | 999 | get_reloc_code (int size, int pcrel, enum pic_relocation pic) |
252b5132 RH |
1000 | { |
1001 | switch (pic) | |
1002 | { | |
1003 | case pic_got_pcrel: | |
1004 | switch (size) | |
1005 | { | |
1006 | case 1: | |
1007 | return BFD_RELOC_8_GOT_PCREL; | |
1008 | case 2: | |
1009 | return BFD_RELOC_16_GOT_PCREL; | |
1010 | case 4: | |
1011 | return BFD_RELOC_32_GOT_PCREL; | |
1012 | } | |
1013 | break; | |
1014 | ||
1015 | case pic_got_off: | |
1016 | switch (size) | |
1017 | { | |
1018 | case 1: | |
1019 | return BFD_RELOC_8_GOTOFF; | |
1020 | case 2: | |
1021 | return BFD_RELOC_16_GOTOFF; | |
1022 | case 4: | |
1023 | return BFD_RELOC_32_GOTOFF; | |
1024 | } | |
1025 | break; | |
1026 | ||
1027 | case pic_plt_pcrel: | |
1028 | switch (size) | |
1029 | { | |
1030 | case 1: | |
1031 | return BFD_RELOC_8_PLT_PCREL; | |
1032 | case 2: | |
1033 | return BFD_RELOC_16_PLT_PCREL; | |
1034 | case 4: | |
1035 | return BFD_RELOC_32_PLT_PCREL; | |
1036 | } | |
1037 | break; | |
1038 | ||
1039 | case pic_plt_off: | |
1040 | switch (size) | |
1041 | { | |
1042 | case 1: | |
1043 | return BFD_RELOC_8_PLTOFF; | |
1044 | case 2: | |
1045 | return BFD_RELOC_16_PLTOFF; | |
1046 | case 4: | |
1047 | return BFD_RELOC_32_PLTOFF; | |
1048 | } | |
1049 | break; | |
1050 | ||
cf869cce NC |
1051 | case pic_tls_gd: |
1052 | switch (size) | |
1053 | { | |
1054 | case 1: | |
1055 | return BFD_RELOC_68K_TLS_GD8; | |
1056 | case 2: | |
1057 | return BFD_RELOC_68K_TLS_GD16; | |
1058 | case 4: | |
1059 | return BFD_RELOC_68K_TLS_GD32; | |
1060 | } | |
1061 | break; | |
1062 | ||
1063 | case pic_tls_ldm: | |
1064 | switch (size) | |
1065 | { | |
1066 | case 1: | |
1067 | return BFD_RELOC_68K_TLS_LDM8; | |
1068 | case 2: | |
1069 | return BFD_RELOC_68K_TLS_LDM16; | |
1070 | case 4: | |
1071 | return BFD_RELOC_68K_TLS_LDM32; | |
1072 | } | |
1073 | break; | |
1074 | ||
1075 | case pic_tls_ldo: | |
1076 | switch (size) | |
1077 | { | |
1078 | case 1: | |
1079 | return BFD_RELOC_68K_TLS_LDO8; | |
1080 | case 2: | |
1081 | return BFD_RELOC_68K_TLS_LDO16; | |
1082 | case 4: | |
1083 | return BFD_RELOC_68K_TLS_LDO32; | |
1084 | } | |
1085 | break; | |
1086 | ||
1087 | case pic_tls_ie: | |
1088 | switch (size) | |
1089 | { | |
1090 | case 1: | |
1091 | return BFD_RELOC_68K_TLS_IE8; | |
1092 | case 2: | |
1093 | return BFD_RELOC_68K_TLS_IE16; | |
1094 | case 4: | |
1095 | return BFD_RELOC_68K_TLS_IE32; | |
1096 | } | |
1097 | break; | |
1098 | ||
1099 | case pic_tls_le: | |
1100 | switch (size) | |
1101 | { | |
1102 | case 1: | |
1103 | return BFD_RELOC_68K_TLS_LE8; | |
1104 | case 2: | |
1105 | return BFD_RELOC_68K_TLS_LE16; | |
1106 | case 4: | |
1107 | return BFD_RELOC_68K_TLS_LE32; | |
1108 | } | |
1109 | break; | |
1110 | ||
252b5132 RH |
1111 | case pic_none: |
1112 | if (pcrel) | |
1113 | { | |
1114 | switch (size) | |
1115 | { | |
1116 | case 1: | |
1117 | return BFD_RELOC_8_PCREL; | |
1118 | case 2: | |
1119 | return BFD_RELOC_16_PCREL; | |
1120 | case 4: | |
1121 | return BFD_RELOC_32_PCREL; | |
1122 | } | |
1123 | } | |
1124 | else | |
1125 | { | |
1126 | switch (size) | |
1127 | { | |
1128 | case 1: | |
1129 | return BFD_RELOC_8; | |
1130 | case 2: | |
1131 | return BFD_RELOC_16; | |
1132 | case 4: | |
1133 | return BFD_RELOC_32; | |
1134 | } | |
1135 | } | |
1136 | } | |
1137 | ||
1138 | if (pcrel) | |
1139 | { | |
1140 | if (pic == pic_none) | |
1141 | as_bad (_("Can not do %d byte pc-relative relocation"), size); | |
1142 | else | |
1143 | as_bad (_("Can not do %d byte pc-relative pic relocation"), size); | |
1144 | } | |
1145 | else | |
1146 | { | |
1147 | if (pic == pic_none) | |
1148 | as_bad (_("Can not do %d byte relocation"), size); | |
1149 | else | |
1150 | as_bad (_("Can not do %d byte pic relocation"), size); | |
1151 | } | |
1152 | ||
1153 | return BFD_RELOC_NONE; | |
1154 | } | |
1155 | ||
1156 | /* Here we decide which fixups can be adjusted to make them relative | |
1157 | to the beginning of the section instead of the symbol. Basically | |
1158 | we need to make sure that the dynamic relocations are done | |
1159 | correctly, so in some cases we force the original symbol to be | |
1160 | used. */ | |
1161 | int | |
31302357 | 1162 | tc_m68k_fix_adjustable (fixS *fixP) |
252b5132 | 1163 | { |
36759679 | 1164 | /* Adjust_reloc_syms doesn't know about the GOT. */ |
252b5132 RH |
1165 | switch (fixP->fx_r_type) |
1166 | { | |
1167 | case BFD_RELOC_8_GOT_PCREL: | |
1168 | case BFD_RELOC_16_GOT_PCREL: | |
1169 | case BFD_RELOC_32_GOT_PCREL: | |
1170 | case BFD_RELOC_8_GOTOFF: | |
1171 | case BFD_RELOC_16_GOTOFF: | |
1172 | case BFD_RELOC_32_GOTOFF: | |
1173 | case BFD_RELOC_8_PLT_PCREL: | |
1174 | case BFD_RELOC_16_PLT_PCREL: | |
1175 | case BFD_RELOC_32_PLT_PCREL: | |
1176 | case BFD_RELOC_8_PLTOFF: | |
1177 | case BFD_RELOC_16_PLTOFF: | |
1178 | case BFD_RELOC_32_PLTOFF: | |
cf869cce NC |
1179 | case BFD_RELOC_68K_TLS_GD32: |
1180 | case BFD_RELOC_68K_TLS_GD16: | |
1181 | case BFD_RELOC_68K_TLS_GD8: | |
1182 | case BFD_RELOC_68K_TLS_LDM32: | |
1183 | case BFD_RELOC_68K_TLS_LDM16: | |
1184 | case BFD_RELOC_68K_TLS_LDM8: | |
1185 | case BFD_RELOC_68K_TLS_LDO32: | |
1186 | case BFD_RELOC_68K_TLS_LDO16: | |
1187 | case BFD_RELOC_68K_TLS_LDO8: | |
1188 | case BFD_RELOC_68K_TLS_IE32: | |
1189 | case BFD_RELOC_68K_TLS_IE16: | |
1190 | case BFD_RELOC_68K_TLS_IE8: | |
1191 | case BFD_RELOC_68K_TLS_LE32: | |
1192 | case BFD_RELOC_68K_TLS_LE16: | |
1193 | case BFD_RELOC_68K_TLS_LE8: | |
252b5132 RH |
1194 | return 0; |
1195 | ||
1196 | case BFD_RELOC_VTABLE_INHERIT: | |
1197 | case BFD_RELOC_VTABLE_ENTRY: | |
1198 | return 0; | |
1199 | ||
1200 | default: | |
1201 | return 1; | |
1202 | } | |
1203 | } | |
1204 | ||
252b5132 | 1205 | arelent * |
31302357 | 1206 | tc_gen_reloc (asection *section ATTRIBUTE_UNUSED, fixS *fixp) |
252b5132 RH |
1207 | { |
1208 | arelent *reloc; | |
1209 | bfd_reloc_code_real_type code; | |
1210 | ||
8ec6253e NC |
1211 | /* If the tcbit is set, then this was a fixup of a negative value |
1212 | that was never resolved. We do not have a reloc to handle this, | |
1213 | so just return. We assume that other code will have detected this | |
1214 | situation and produced a helpful error message, so we just tell the | |
1215 | user that the reloc cannot be produced. */ | |
252b5132 | 1216 | if (fixp->fx_tcbit) |
8ec6253e NC |
1217 | { |
1218 | if (fixp->fx_addsy) | |
b091f402 AM |
1219 | as_bad_where (fixp->fx_file, fixp->fx_line, |
1220 | _("Unable to produce reloc against symbol '%s'"), | |
1221 | S_GET_NAME (fixp->fx_addsy)); | |
8ec6253e NC |
1222 | return NULL; |
1223 | } | |
252b5132 RH |
1224 | |
1225 | if (fixp->fx_r_type != BFD_RELOC_NONE) | |
1226 | { | |
1227 | code = fixp->fx_r_type; | |
1228 | ||
1229 | /* Since DIFF_EXPR_OK is defined in tc-m68k.h, it is possible | |
1230 | that fixup_segment converted a non-PC relative reloc into a | |
1231 | PC relative reloc. In such a case, we need to convert the | |
1232 | reloc code. */ | |
1233 | if (fixp->fx_pcrel) | |
1234 | { | |
1235 | switch (code) | |
1236 | { | |
1237 | case BFD_RELOC_8: | |
1238 | code = BFD_RELOC_8_PCREL; | |
1239 | break; | |
1240 | case BFD_RELOC_16: | |
1241 | code = BFD_RELOC_16_PCREL; | |
1242 | break; | |
1243 | case BFD_RELOC_32: | |
1244 | code = BFD_RELOC_32_PCREL; | |
1245 | break; | |
1246 | case BFD_RELOC_8_PCREL: | |
1247 | case BFD_RELOC_16_PCREL: | |
1248 | case BFD_RELOC_32_PCREL: | |
1249 | case BFD_RELOC_8_GOT_PCREL: | |
1250 | case BFD_RELOC_16_GOT_PCREL: | |
1251 | case BFD_RELOC_32_GOT_PCREL: | |
1252 | case BFD_RELOC_8_GOTOFF: | |
1253 | case BFD_RELOC_16_GOTOFF: | |
1254 | case BFD_RELOC_32_GOTOFF: | |
1255 | case BFD_RELOC_8_PLT_PCREL: | |
1256 | case BFD_RELOC_16_PLT_PCREL: | |
1257 | case BFD_RELOC_32_PLT_PCREL: | |
1258 | case BFD_RELOC_8_PLTOFF: | |
1259 | case BFD_RELOC_16_PLTOFF: | |
1260 | case BFD_RELOC_32_PLTOFF: | |
cf869cce NC |
1261 | case BFD_RELOC_68K_TLS_GD32: |
1262 | case BFD_RELOC_68K_TLS_GD16: | |
1263 | case BFD_RELOC_68K_TLS_GD8: | |
1264 | case BFD_RELOC_68K_TLS_LDM32: | |
1265 | case BFD_RELOC_68K_TLS_LDM16: | |
1266 | case BFD_RELOC_68K_TLS_LDM8: | |
1267 | case BFD_RELOC_68K_TLS_LDO32: | |
1268 | case BFD_RELOC_68K_TLS_LDO16: | |
1269 | case BFD_RELOC_68K_TLS_LDO8: | |
1270 | case BFD_RELOC_68K_TLS_IE32: | |
1271 | case BFD_RELOC_68K_TLS_IE16: | |
1272 | case BFD_RELOC_68K_TLS_IE8: | |
1273 | case BFD_RELOC_68K_TLS_LE32: | |
1274 | case BFD_RELOC_68K_TLS_LE16: | |
1275 | case BFD_RELOC_68K_TLS_LE8: | |
252b5132 RH |
1276 | break; |
1277 | default: | |
1278 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
1279 | _("Cannot make %s relocation PC relative"), | |
1280 | bfd_get_reloc_code_name (code)); | |
1281 | } | |
1282 | } | |
1283 | } | |
1284 | else | |
1285 | { | |
1286 | #define F(SZ,PCREL) (((SZ) << 1) + (PCREL)) | |
1287 | switch (F (fixp->fx_size, fixp->fx_pcrel)) | |
1288 | { | |
1289 | #define MAP(SZ,PCREL,TYPE) case F(SZ,PCREL): code = (TYPE); break | |
1290 | MAP (1, 0, BFD_RELOC_8); | |
1291 | MAP (2, 0, BFD_RELOC_16); | |
1292 | MAP (4, 0, BFD_RELOC_32); | |
1293 | MAP (1, 1, BFD_RELOC_8_PCREL); | |
1294 | MAP (2, 1, BFD_RELOC_16_PCREL); | |
1295 | MAP (4, 1, BFD_RELOC_32_PCREL); | |
1296 | default: | |
1297 | abort (); | |
1298 | } | |
1299 | } | |
1300 | #undef F | |
1301 | #undef MAP | |
1302 | ||
add39d23 TS |
1303 | reloc = XNEW (arelent); |
1304 | reloc->sym_ptr_ptr = XNEW (asymbol *); | |
49309057 | 1305 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); |
252b5132 | 1306 | reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; |
252b5132 RH |
1307 | if (!fixp->fx_pcrel) |
1308 | reloc->addend = fixp->fx_addnumber; | |
1309 | else | |
1310 | reloc->addend = (section->vma | |
552c607f | 1311 | + fixp->fx_pcrel_adjust |
252b5132 RH |
1312 | + fixp->fx_addnumber |
1313 | + md_pcrel_from (fixp)); | |
252b5132 RH |
1314 | |
1315 | reloc->howto = bfd_reloc_type_lookup (stdoutput, code); | |
9c2799c2 | 1316 | gas_assert (reloc->howto != 0); |
252b5132 RH |
1317 | |
1318 | return reloc; | |
1319 | } | |
1320 | ||
252b5132 RH |
1321 | /* Handle of the OPCODE hash table. NULL means any use before |
1322 | m68k_ip_begin() will crash. */ | |
1323 | static struct hash_control *op_hash; | |
1324 | \f | |
1325 | /* Assemble an m68k instruction. */ | |
1326 | ||
1327 | static void | |
31302357 | 1328 | m68k_ip (char *instring) |
252b5132 | 1329 | { |
ed9e98c2 AM |
1330 | char *p; |
1331 | struct m68k_op *opP; | |
1332 | const struct m68k_incant *opcode; | |
1333 | const char *s; | |
1334 | int tmpreg = 0, baseo = 0, outro = 0, nextword; | |
252b5132 RH |
1335 | char *pdot, *pdotmove; |
1336 | enum m68k_size siz1, siz2; | |
1337 | char c; | |
1338 | int losing; | |
1339 | int opsfound; | |
03b13e59 | 1340 | struct m68k_op operands_backup[6]; |
252b5132 RH |
1341 | LITTLENUM_TYPE words[6]; |
1342 | LITTLENUM_TYPE *wordp; | |
1343 | unsigned long ok_arch = 0; | |
1344 | ||
1345 | if (*instring == ' ') | |
36759679 | 1346 | instring++; /* Skip leading whitespace. */ |
252b5132 RH |
1347 | |
1348 | /* Scan up to end of operation-code, which MUST end in end-of-string | |
92774660 | 1349 | or exactly 1 space. */ |
252b5132 RH |
1350 | pdot = 0; |
1351 | for (p = instring; *p != '\0'; p++) | |
1352 | { | |
1353 | if (*p == ' ') | |
1354 | break; | |
1355 | if (*p == '.') | |
1356 | pdot = p; | |
1357 | } | |
1358 | ||
1359 | if (p == instring) | |
1360 | { | |
1361 | the_ins.error = _("No operator"); | |
1362 | return; | |
1363 | } | |
1364 | ||
1365 | /* p now points to the end of the opcode name, probably whitespace. | |
1366 | Make sure the name is null terminated by clobbering the | |
1367 | whitespace, look it up in the hash table, then fix it back. | |
1368 | Remove a dot, first, since the opcode tables have none. */ | |
1369 | if (pdot != NULL) | |
1370 | { | |
1371 | for (pdotmove = pdot; pdotmove < p; pdotmove++) | |
1372 | *pdotmove = pdotmove[1]; | |
1373 | p--; | |
1374 | } | |
1375 | ||
1376 | c = *p; | |
1377 | *p = '\0'; | |
1378 | opcode = (const struct m68k_incant *) hash_find (op_hash, instring); | |
1379 | *p = c; | |
1380 | ||
1381 | if (pdot != NULL) | |
1382 | { | |
1383 | for (pdotmove = p; pdotmove > pdot; pdotmove--) | |
1384 | *pdotmove = pdotmove[-1]; | |
1385 | *pdot = '.'; | |
1386 | ++p; | |
1387 | } | |
1388 | ||
1389 | if (opcode == NULL) | |
1390 | { | |
1391 | the_ins.error = _("Unknown operator"); | |
1392 | return; | |
1393 | } | |
1394 | ||
36759679 | 1395 | /* Found a legitimate opcode, start matching operands. */ |
252b5132 RH |
1396 | while (*p == ' ') |
1397 | ++p; | |
1398 | ||
1399 | if (opcode->m_operands == 0) | |
1400 | { | |
1401 | char *old = input_line_pointer; | |
1402 | *old = '\n'; | |
1403 | input_line_pointer = p; | |
2b0f3761 | 1404 | /* Ahh - it's a motorola style pseudo op. */ |
252b5132 RH |
1405 | mote_pseudo_table[opcode->m_opnum].poc_handler |
1406 | (mote_pseudo_table[opcode->m_opnum].poc_val); | |
1407 | input_line_pointer = old; | |
1408 | *old = 0; | |
1409 | ||
1410 | return; | |
1411 | } | |
1412 | ||
1413 | if (flag_mri && opcode->m_opnum == 0) | |
1414 | { | |
1415 | /* In MRI mode, random garbage is allowed after an instruction | |
1416 | which accepts no operands. */ | |
1417 | the_ins.args = opcode->m_operands; | |
1418 | the_ins.numargs = opcode->m_opnum; | |
1419 | the_ins.numo = opcode->m_codenum; | |
1420 | the_ins.opcode[0] = getone (opcode); | |
1421 | the_ins.opcode[1] = gettwo (opcode); | |
1422 | return; | |
1423 | } | |
1424 | ||
1425 | for (opP = &the_ins.operands[0]; *p; opP++) | |
1426 | { | |
1427 | p = crack_operand (p, opP); | |
1428 | ||
1429 | if (opP->error) | |
1430 | { | |
1431 | the_ins.error = opP->error; | |
1432 | return; | |
1433 | } | |
1434 | } | |
1435 | ||
1436 | opsfound = opP - &the_ins.operands[0]; | |
1437 | ||
1438 | /* This ugly hack is to support the floating pt opcodes in their | |
33eaf5de | 1439 | standard form. Essentially, we fake a first entry of type COP#1 */ |
252b5132 RH |
1440 | if (opcode->m_operands[0] == 'I') |
1441 | { | |
1442 | int n; | |
1443 | ||
1444 | for (n = opsfound; n > 0; --n) | |
1445 | the_ins.operands[n] = the_ins.operands[n - 1]; | |
1446 | ||
31302357 | 1447 | memset (&the_ins.operands[0], '\0', sizeof (the_ins.operands[0])); |
252b5132 RH |
1448 | the_ins.operands[0].mode = CONTROL; |
1449 | the_ins.operands[0].reg = m68k_float_copnum; | |
1450 | opsfound++; | |
1451 | } | |
1452 | ||
36759679 | 1453 | /* We've got the operands. Find an opcode that'll accept them. */ |
252b5132 RH |
1454 | for (losing = 0;;) |
1455 | { | |
1456 | /* If we didn't get the right number of ops, or we have no | |
92774660 | 1457 | common model with this pattern then reject this pattern. */ |
252b5132 RH |
1458 | |
1459 | ok_arch |= opcode->m_arch; | |
1460 | if (opsfound != opcode->m_opnum | |
1461 | || ((opcode->m_arch & current_architecture) == 0)) | |
1462 | ++losing; | |
1463 | else | |
1464 | { | |
03b13e59 NC |
1465 | int i; |
1466 | ||
1467 | /* Make a copy of the operands of this insn so that | |
1468 | we can modify them safely, should we want to. */ | |
9c2799c2 | 1469 | gas_assert (opsfound <= (int) ARRAY_SIZE (operands_backup)); |
03b13e59 NC |
1470 | for (i = 0; i < opsfound; i++) |
1471 | operands_backup[i] = the_ins.operands[i]; | |
1472 | ||
1473 | for (s = opcode->m_operands, opP = &operands_backup[0]; | |
252b5132 RH |
1474 | *s && !losing; |
1475 | s += 2, opP++) | |
1476 | { | |
1477 | /* Warning: this switch is huge! */ | |
1478 | /* I've tried to organize the cases into this order: | |
1479 | non-alpha first, then alpha by letter. Lower-case | |
1480 | goes directly before uppercase counterpart. */ | |
1481 | /* Code with multiple case ...: gets sorted by the lowest | |
1482 | case ... it belongs to. I hope this makes sense. */ | |
1483 | switch (*s) | |
1484 | { | |
1485 | case '!': | |
1486 | switch (opP->mode) | |
1487 | { | |
1488 | case IMMED: | |
1489 | case DREG: | |
1490 | case AREG: | |
1491 | case FPREG: | |
1492 | case CONTROL: | |
1493 | case AINC: | |
1494 | case ADEC: | |
1495 | case REGLST: | |
1496 | losing++; | |
1497 | break; | |
1498 | default: | |
1499 | break; | |
1500 | } | |
1501 | break; | |
1502 | ||
1503 | case '<': | |
1504 | switch (opP->mode) | |
1505 | { | |
1506 | case DREG: | |
1507 | case AREG: | |
1508 | case FPREG: | |
1509 | case CONTROL: | |
1510 | case IMMED: | |
1511 | case ADEC: | |
1512 | case REGLST: | |
1513 | losing++; | |
1514 | break; | |
1515 | default: | |
1516 | break; | |
1517 | } | |
1518 | break; | |
1519 | ||
1520 | case '>': | |
1521 | switch (opP->mode) | |
1522 | { | |
1523 | case DREG: | |
1524 | case AREG: | |
1525 | case FPREG: | |
1526 | case CONTROL: | |
1527 | case IMMED: | |
1528 | case AINC: | |
1529 | case REGLST: | |
1530 | losing++; | |
1531 | break; | |
1532 | case ABSL: | |
1533 | break; | |
1534 | default: | |
1535 | if (opP->reg == PC | |
1536 | || opP->reg == ZPC) | |
1537 | losing++; | |
1538 | break; | |
1539 | } | |
1540 | break; | |
1541 | ||
1542 | case 'm': | |
1543 | switch (opP->mode) | |
1544 | { | |
1545 | case DREG: | |
1546 | case AREG: | |
1547 | case AINDR: | |
1548 | case AINC: | |
1549 | case ADEC: | |
1550 | break; | |
1551 | default: | |
1552 | losing++; | |
1553 | } | |
8a104df9 | 1554 | break; |
252b5132 RH |
1555 | |
1556 | case 'n': | |
1557 | switch (opP->mode) | |
1558 | { | |
1559 | case DISP: | |
1560 | break; | |
1561 | default: | |
1562 | losing++; | |
1563 | } | |
8a104df9 | 1564 | break; |
252b5132 RH |
1565 | |
1566 | case 'o': | |
1567 | switch (opP->mode) | |
1568 | { | |
1569 | case BASE: | |
1570 | case ABSL: | |
1571 | case IMMED: | |
1572 | break; | |
1573 | default: | |
1574 | losing++; | |
1575 | } | |
8a104df9 | 1576 | break; |
252b5132 RH |
1577 | |
1578 | case 'p': | |
1579 | switch (opP->mode) | |
1580 | { | |
1581 | case DREG: | |
1582 | case AREG: | |
1583 | case AINDR: | |
1584 | case AINC: | |
1585 | case ADEC: | |
1586 | break; | |
1587 | case DISP: | |
1588 | if (opP->reg == PC || opP->reg == ZPC) | |
8a104df9 | 1589 | losing++; |
252b5132 RH |
1590 | break; |
1591 | default: | |
1592 | losing++; | |
1593 | } | |
8a104df9 | 1594 | break; |
252b5132 RH |
1595 | |
1596 | case 'q': | |
1597 | switch (opP->mode) | |
1598 | { | |
1599 | case DREG: | |
1600 | case AINDR: | |
1601 | case AINC: | |
1602 | case ADEC: | |
1603 | break; | |
1604 | case DISP: | |
1605 | if (opP->reg == PC || opP->reg == ZPC) | |
8a104df9 | 1606 | losing++; |
252b5132 RH |
1607 | break; |
1608 | default: | |
1609 | losing++; | |
1610 | break; | |
1611 | } | |
8a104df9 | 1612 | break; |
252b5132 RH |
1613 | |
1614 | case 'v': | |
1615 | switch (opP->mode) | |
1616 | { | |
1617 | case DREG: | |
1618 | case AINDR: | |
1619 | case AINC: | |
1620 | case ADEC: | |
1621 | case ABSL: | |
1622 | break; | |
1623 | case DISP: | |
1624 | if (opP->reg == PC || opP->reg == ZPC) | |
8a104df9 | 1625 | losing++; |
252b5132 RH |
1626 | break; |
1627 | default: | |
1628 | losing++; | |
1629 | break; | |
1630 | } | |
1631 | break; | |
1632 | ||
1633 | case '#': | |
1634 | if (opP->mode != IMMED) | |
1635 | losing++; | |
1636 | else if (s[1] == 'b' | |
1637 | && ! isvar (&opP->disp) | |
1638 | && (opP->disp.exp.X_op != O_constant | |
1639 | || ! isbyte (opP->disp.exp.X_add_number))) | |
1640 | losing++; | |
1641 | else if (s[1] == 'B' | |
1642 | && ! isvar (&opP->disp) | |
1643 | && (opP->disp.exp.X_op != O_constant | |
1644 | || ! issbyte (opP->disp.exp.X_add_number))) | |
1645 | losing++; | |
1646 | else if (s[1] == 'w' | |
1647 | && ! isvar (&opP->disp) | |
1648 | && (opP->disp.exp.X_op != O_constant | |
1649 | || ! isword (opP->disp.exp.X_add_number))) | |
1650 | losing++; | |
1651 | else if (s[1] == 'W' | |
1652 | && ! isvar (&opP->disp) | |
1653 | && (opP->disp.exp.X_op != O_constant | |
1654 | || ! issword (opP->disp.exp.X_add_number))) | |
1655 | losing++; | |
1656 | break; | |
1657 | ||
1658 | case '^': | |
1659 | case 'T': | |
1660 | if (opP->mode != IMMED) | |
1661 | losing++; | |
1662 | break; | |
1663 | ||
1664 | case '$': | |
1665 | if (opP->mode == AREG | |
1666 | || opP->mode == CONTROL | |
1667 | || opP->mode == FPREG | |
1668 | || opP->mode == IMMED | |
1669 | || opP->mode == REGLST | |
1670 | || (opP->mode != ABSL | |
1671 | && (opP->reg == PC | |
1672 | || opP->reg == ZPC))) | |
1673 | losing++; | |
1674 | break; | |
1675 | ||
1676 | case '%': | |
1677 | if (opP->mode == CONTROL | |
1678 | || opP->mode == FPREG | |
1679 | || opP->mode == REGLST | |
1680 | || opP->mode == IMMED | |
1681 | || (opP->mode != ABSL | |
1682 | && (opP->reg == PC | |
1683 | || opP->reg == ZPC))) | |
1684 | losing++; | |
1685 | break; | |
1686 | ||
1687 | case '&': | |
1688 | switch (opP->mode) | |
1689 | { | |
1690 | case DREG: | |
1691 | case AREG: | |
1692 | case FPREG: | |
1693 | case CONTROL: | |
1694 | case IMMED: | |
1695 | case AINC: | |
1696 | case ADEC: | |
1697 | case REGLST: | |
1698 | losing++; | |
1699 | break; | |
1700 | case ABSL: | |
1701 | break; | |
1702 | default: | |
1703 | if (opP->reg == PC | |
1704 | || opP->reg == ZPC) | |
1705 | losing++; | |
1706 | break; | |
1707 | } | |
1708 | break; | |
1709 | ||
1710 | case '*': | |
1711 | if (opP->mode == CONTROL | |
1712 | || opP->mode == FPREG | |
1713 | || opP->mode == REGLST) | |
1714 | losing++; | |
1715 | break; | |
1716 | ||
1717 | case '+': | |
1718 | if (opP->mode != AINC) | |
1719 | losing++; | |
1720 | break; | |
1721 | ||
1722 | case '-': | |
1723 | if (opP->mode != ADEC) | |
1724 | losing++; | |
1725 | break; | |
1726 | ||
1727 | case '/': | |
1728 | switch (opP->mode) | |
1729 | { | |
1730 | case AREG: | |
1731 | case CONTROL: | |
1732 | case FPREG: | |
1733 | case AINC: | |
1734 | case ADEC: | |
1735 | case IMMED: | |
1736 | case REGLST: | |
1737 | losing++; | |
1738 | break; | |
1739 | default: | |
1740 | break; | |
1741 | } | |
1742 | break; | |
1743 | ||
1744 | case ';': | |
1745 | switch (opP->mode) | |
1746 | { | |
1747 | case AREG: | |
1748 | case CONTROL: | |
1749 | case FPREG: | |
1750 | case REGLST: | |
1751 | losing++; | |
1752 | break; | |
1753 | default: | |
1754 | break; | |
1755 | } | |
1756 | break; | |
1757 | ||
1758 | case '?': | |
1759 | switch (opP->mode) | |
1760 | { | |
1761 | case AREG: | |
1762 | case CONTROL: | |
1763 | case FPREG: | |
1764 | case AINC: | |
1765 | case ADEC: | |
1766 | case IMMED: | |
1767 | case REGLST: | |
1768 | losing++; | |
1769 | break; | |
1770 | case ABSL: | |
1771 | break; | |
1772 | default: | |
1773 | if (opP->reg == PC || opP->reg == ZPC) | |
1774 | losing++; | |
1775 | break; | |
1776 | } | |
1777 | break; | |
1778 | ||
1779 | case '@': | |
1780 | switch (opP->mode) | |
1781 | { | |
1782 | case AREG: | |
1783 | case CONTROL: | |
1784 | case FPREG: | |
1785 | case IMMED: | |
1786 | case REGLST: | |
1787 | losing++; | |
1788 | break; | |
1789 | default: | |
1790 | break; | |
1791 | } | |
1792 | break; | |
1793 | ||
1794 | case '~': /* For now! (JF FOO is this right?) */ | |
1795 | switch (opP->mode) | |
1796 | { | |
1797 | case DREG: | |
1798 | case AREG: | |
1799 | case CONTROL: | |
1800 | case FPREG: | |
1801 | case IMMED: | |
1802 | case REGLST: | |
1803 | losing++; | |
1804 | break; | |
1805 | case ABSL: | |
1806 | break; | |
1807 | default: | |
1808 | if (opP->reg == PC | |
1809 | || opP->reg == ZPC) | |
1810 | losing++; | |
1811 | break; | |
1812 | } | |
1813 | break; | |
1814 | ||
1815 | case '3': | |
1816 | if (opP->mode != CONTROL | |
1817 | || (opP->reg != TT0 && opP->reg != TT1)) | |
1818 | losing++; | |
1819 | break; | |
1820 | ||
1821 | case 'A': | |
1822 | if (opP->mode != AREG) | |
1823 | losing++; | |
1824 | break; | |
1825 | ||
1826 | case 'a': | |
1827 | if (opP->mode != AINDR) | |
1828 | ++losing; | |
1829 | break; | |
1830 | ||
fd99574b NC |
1831 | case '4': |
1832 | if (opP->mode != AINDR && opP->mode != AINC && opP->mode != ADEC | |
1833 | && (opP->mode != DISP | |
1834 | || opP->reg < ADDR0 | |
1835 | || opP->reg > ADDR7)) | |
1836 | ++losing; | |
1837 | break; | |
1838 | ||
252b5132 RH |
1839 | case 'B': /* FOO */ |
1840 | if (opP->mode != ABSL | |
1841 | || (flag_long_jumps | |
1842 | && strncmp (instring, "jbsr", 4) == 0)) | |
1843 | losing++; | |
1844 | break; | |
1845 | ||
3e602632 NC |
1846 | case 'b': |
1847 | switch (opP->mode) | |
1848 | { | |
1849 | case IMMED: | |
1850 | case ABSL: | |
1851 | case AREG: | |
1852 | case FPREG: | |
1853 | case CONTROL: | |
1854 | case POST: | |
1855 | case PRE: | |
1856 | case REGLST: | |
1857 | losing++; | |
1858 | break; | |
1859 | default: | |
1860 | break; | |
1861 | } | |
1862 | break; | |
1863 | ||
252b5132 RH |
1864 | case 'C': |
1865 | if (opP->mode != CONTROL || opP->reg != CCR) | |
1866 | losing++; | |
1867 | break; | |
1868 | ||
1869 | case 'd': | |
1870 | if (opP->mode != DISP | |
1871 | || opP->reg < ADDR0 | |
1872 | || opP->reg > ADDR7) | |
1873 | losing++; | |
1874 | break; | |
1875 | ||
1876 | case 'D': | |
1877 | if (opP->mode != DREG) | |
1878 | losing++; | |
1879 | break; | |
1880 | ||
6da466c7 ILT |
1881 | case 'E': |
1882 | if (opP->reg != ACC) | |
1883 | losing++; | |
1884 | break; | |
1885 | ||
fd99574b NC |
1886 | case 'e': |
1887 | if (opP->reg != ACC && opP->reg != ACC1 | |
1888 | && opP->reg != ACC2 && opP->reg != ACC3) | |
1889 | losing++; | |
1890 | break; | |
1891 | ||
252b5132 RH |
1892 | case 'F': |
1893 | if (opP->mode != FPREG) | |
1894 | losing++; | |
1895 | break; | |
1896 | ||
6da466c7 ILT |
1897 | case 'G': |
1898 | if (opP->reg != MACSR) | |
1899 | losing++; | |
1900 | break; | |
1901 | ||
fd99574b NC |
1902 | case 'g': |
1903 | if (opP->reg != ACCEXT01 && opP->reg != ACCEXT23) | |
1904 | losing++; | |
1905 | break; | |
1906 | ||
6da466c7 ILT |
1907 | case 'H': |
1908 | if (opP->reg != MASK) | |
1909 | losing++; | |
1910 | break; | |
1911 | ||
252b5132 RH |
1912 | case 'I': |
1913 | if (opP->mode != CONTROL | |
1914 | || opP->reg < COP0 | |
1915 | || opP->reg > COP7) | |
1916 | losing++; | |
1917 | break; | |
1918 | ||
fd99574b NC |
1919 | case 'i': |
1920 | if (opP->mode != LSH && opP->mode != RSH) | |
1921 | losing++; | |
1922 | break; | |
1923 | ||
252b5132 RH |
1924 | case 'J': |
1925 | if (opP->mode != CONTROL | |
1926 | || opP->reg < USP | |
0b2e31dc NS |
1927 | || opP->reg > last_movec_reg |
1928 | || !control_regs) | |
252b5132 RH |
1929 | losing++; |
1930 | else | |
1931 | { | |
1932 | const enum m68k_register *rp; | |
3739860c | 1933 | |
252b5132 | 1934 | for (rp = control_regs; *rp; rp++) |
78336706 NS |
1935 | { |
1936 | if (*rp == opP->reg) | |
1937 | break; | |
1938 | /* In most CPUs RAMBAR refers to control reg | |
1939 | c05 (RAMBAR1), but a few CPUs have it | |
1940 | refer to c04 (RAMBAR0). */ | |
1941 | else if (*rp == RAMBAR_ALT && opP->reg == RAMBAR) | |
1942 | { | |
1943 | opP->reg = RAMBAR_ALT; | |
1944 | break; | |
1945 | } | |
1946 | } | |
252b5132 RH |
1947 | if (*rp == 0) |
1948 | losing++; | |
1949 | } | |
1950 | break; | |
1951 | ||
1952 | case 'k': | |
1953 | if (opP->mode != IMMED) | |
1954 | losing++; | |
1955 | break; | |
1956 | ||
1957 | case 'l': | |
1958 | case 'L': | |
1959 | if (opP->mode == DREG | |
1960 | || opP->mode == AREG | |
1961 | || opP->mode == FPREG) | |
1962 | { | |
1963 | if (s[1] == '8') | |
1964 | losing++; | |
1965 | else | |
1966 | { | |
1967 | switch (opP->mode) | |
1968 | { | |
1969 | case DREG: | |
1970 | opP->mask = 1 << (opP->reg - DATA0); | |
1971 | break; | |
1972 | case AREG: | |
1973 | opP->mask = 1 << (opP->reg - ADDR0 + 8); | |
1974 | break; | |
1975 | case FPREG: | |
1976 | opP->mask = 1 << (opP->reg - FP0 + 16); | |
1977 | break; | |
1978 | default: | |
1979 | abort (); | |
1980 | } | |
1981 | opP->mode = REGLST; | |
1982 | } | |
1983 | } | |
1984 | else if (opP->mode == CONTROL) | |
1985 | { | |
1986 | if (s[1] != '8') | |
1987 | losing++; | |
1988 | else | |
1989 | { | |
1990 | switch (opP->reg) | |
1991 | { | |
1992 | case FPI: | |
1993 | opP->mask = 1 << 24; | |
1994 | break; | |
1995 | case FPS: | |
1996 | opP->mask = 1 << 25; | |
1997 | break; | |
1998 | case FPC: | |
1999 | opP->mask = 1 << 26; | |
2000 | break; | |
2001 | default: | |
2002 | losing++; | |
2003 | break; | |
2004 | } | |
2005 | opP->mode = REGLST; | |
2006 | } | |
2007 | } | |
2008 | else if (opP->mode != REGLST) | |
2009 | losing++; | |
2010 | else if (s[1] == '8' && (opP->mask & 0x0ffffff) != 0) | |
2011 | losing++; | |
2012 | else if (s[1] == '3' && (opP->mask & 0x7000000) != 0) | |
2013 | losing++; | |
2014 | break; | |
2015 | ||
2016 | case 'M': | |
2017 | if (opP->mode != IMMED) | |
2018 | losing++; | |
2019 | else if (opP->disp.exp.X_op != O_constant | |
2020 | || ! issbyte (opP->disp.exp.X_add_number)) | |
2021 | losing++; | |
2022 | else if (! m68k_quick | |
2023 | && instring[3] != 'q' | |
2024 | && instring[4] != 'q') | |
2025 | losing++; | |
2026 | break; | |
2027 | ||
2028 | case 'O': | |
2029 | if (opP->mode != DREG | |
2030 | && opP->mode != IMMED | |
2031 | && opP->mode != ABSL) | |
2032 | losing++; | |
2033 | break; | |
2034 | ||
2035 | case 'Q': | |
2036 | if (opP->mode != IMMED) | |
2037 | losing++; | |
2038 | else if (opP->disp.exp.X_op != O_constant | |
bd17c2c3 | 2039 | || TRUNC (opP->disp.exp.X_add_number) - 1 > 7) |
252b5132 RH |
2040 | losing++; |
2041 | else if (! m68k_quick | |
2042 | && (strncmp (instring, "add", 3) == 0 | |
2043 | || strncmp (instring, "sub", 3) == 0) | |
2044 | && instring[3] != 'q') | |
2045 | losing++; | |
2046 | break; | |
2047 | ||
2048 | case 'R': | |
2049 | if (opP->mode != DREG && opP->mode != AREG) | |
2050 | losing++; | |
2051 | break; | |
2052 | ||
2053 | case 'r': | |
2054 | if (opP->mode != AINDR | |
2055 | && (opP->mode != BASE | |
2056 | || (opP->reg != 0 | |
2057 | && opP->reg != ZADDR0) | |
2058 | || opP->disp.exp.X_op != O_absent | |
2059 | || ((opP->index.reg < DATA0 | |
2060 | || opP->index.reg > DATA7) | |
2061 | && (opP->index.reg < ADDR0 | |
2062 | || opP->index.reg > ADDR7)) | |
2063 | || opP->index.size != SIZE_UNSPEC | |
2064 | || opP->index.scale != 1)) | |
2065 | losing++; | |
2066 | break; | |
2067 | ||
2068 | case 's': | |
2069 | if (opP->mode != CONTROL | |
2070 | || ! (opP->reg == FPI | |
2071 | || opP->reg == FPS | |
2072 | || opP->reg == FPC)) | |
2073 | losing++; | |
2074 | break; | |
2075 | ||
2076 | case 'S': | |
2077 | if (opP->mode != CONTROL || opP->reg != SR) | |
2078 | losing++; | |
2079 | break; | |
2080 | ||
2081 | case 't': | |
2082 | if (opP->mode != IMMED) | |
2083 | losing++; | |
2084 | else if (opP->disp.exp.X_op != O_constant | |
bd17c2c3 | 2085 | || TRUNC (opP->disp.exp.X_add_number) > 7) |
252b5132 RH |
2086 | losing++; |
2087 | break; | |
2088 | ||
2089 | case 'U': | |
2090 | if (opP->mode != CONTROL || opP->reg != USP) | |
2091 | losing++; | |
2092 | break; | |
2093 | ||
3e602632 NC |
2094 | case 'x': |
2095 | if (opP->mode != IMMED) | |
2096 | losing++; | |
2097 | else if (opP->disp.exp.X_op != O_constant | |
bd17c2c3 AM |
2098 | || (TRUNC (opP->disp.exp.X_add_number) != 0xffffffff |
2099 | && TRUNC (opP->disp.exp.X_add_number) - 1 > 6)) | |
3e602632 NC |
2100 | losing++; |
2101 | break; | |
2102 | ||
afa2158f NS |
2103 | case 'j': |
2104 | if (opP->mode != IMMED) | |
2105 | losing++; | |
2106 | else if (opP->disp.exp.X_op != O_constant | |
2107 | || TRUNC (opP->disp.exp.X_add_number) - 1 > 7) | |
2108 | losing++; | |
2109 | break; | |
2110 | ||
2111 | case 'K': | |
2112 | if (opP->mode != IMMED) | |
2113 | losing++; | |
2114 | else if (opP->disp.exp.X_op != O_constant | |
2115 | || TRUNC (opP->disp.exp.X_add_number) > 511) | |
2116 | losing++; | |
2117 | break; | |
2118 | ||
252b5132 RH |
2119 | /* JF these are out of order. We could put them |
2120 | in order if we were willing to put up with | |
2121 | bunches of #ifdef m68851s in the code. | |
2122 | ||
2123 | Don't forget that you need these operands | |
2124 | to use 68030 MMU instructions. */ | |
2125 | #ifndef NO_68851 | |
36759679 | 2126 | /* Memory addressing mode used by pflushr. */ |
252b5132 RH |
2127 | case '|': |
2128 | if (opP->mode == CONTROL | |
2129 | || opP->mode == FPREG | |
2130 | || opP->mode == DREG | |
2131 | || opP->mode == AREG | |
2132 | || opP->mode == REGLST) | |
2133 | losing++; | |
2134 | /* We should accept immediate operands, but they | |
2135 | supposedly have to be quad word, and we don't | |
2136 | handle that. I would like to see what a Motorola | |
2137 | assembler does before doing something here. */ | |
2138 | if (opP->mode == IMMED) | |
2139 | losing++; | |
2140 | break; | |
2141 | ||
2142 | case 'f': | |
2143 | if (opP->mode != CONTROL | |
2144 | || (opP->reg != SFC && opP->reg != DFC)) | |
2145 | losing++; | |
2146 | break; | |
2147 | ||
2148 | case '0': | |
2149 | if (opP->mode != CONTROL || opP->reg != TC) | |
2150 | losing++; | |
2151 | break; | |
2152 | ||
2153 | case '1': | |
2154 | if (opP->mode != CONTROL || opP->reg != AC) | |
2155 | losing++; | |
2156 | break; | |
2157 | ||
2158 | case '2': | |
2159 | if (opP->mode != CONTROL | |
2160 | || (opP->reg != CAL | |
2161 | && opP->reg != VAL | |
2162 | && opP->reg != SCC)) | |
2163 | losing++; | |
2164 | break; | |
2165 | ||
2166 | case 'V': | |
2167 | if (opP->mode != CONTROL | |
2168 | || opP->reg != VAL) | |
2169 | losing++; | |
2170 | break; | |
2171 | ||
2172 | case 'W': | |
2173 | if (opP->mode != CONTROL | |
2174 | || (opP->reg != DRP | |
2175 | && opP->reg != SRP | |
2176 | && opP->reg != CRP)) | |
2177 | losing++; | |
2178 | break; | |
2179 | ||
3e602632 NC |
2180 | case 'w': |
2181 | switch (opP->mode) | |
2182 | { | |
2183 | case IMMED: | |
2184 | case ABSL: | |
2185 | case AREG: | |
2186 | case DREG: | |
2187 | case FPREG: | |
2188 | case CONTROL: | |
2189 | case POST: | |
2190 | case PRE: | |
2191 | case REGLST: | |
2192 | losing++; | |
2193 | break; | |
2194 | default: | |
2195 | break; | |
2196 | } | |
2197 | break; | |
2198 | ||
252b5132 RH |
2199 | case 'X': |
2200 | if (opP->mode != CONTROL | |
2201 | || (!(opP->reg >= BAD && opP->reg <= BAD + 7) | |
2202 | && !(opP->reg >= BAC && opP->reg <= BAC + 7))) | |
2203 | losing++; | |
2204 | break; | |
2205 | ||
2206 | case 'Y': | |
2207 | if (opP->mode != CONTROL || opP->reg != PSR) | |
2208 | losing++; | |
2209 | break; | |
2210 | ||
2211 | case 'Z': | |
2212 | if (opP->mode != CONTROL || opP->reg != PCSR) | |
2213 | losing++; | |
2214 | break; | |
2215 | #endif | |
2216 | case 'c': | |
2217 | if (opP->mode != CONTROL | |
2218 | || (opP->reg != NC | |
2219 | && opP->reg != IC | |
2220 | && opP->reg != DC | |
2221 | && opP->reg != BC)) | |
36759679 | 2222 | losing++; |
252b5132 RH |
2223 | break; |
2224 | ||
2225 | case '_': | |
2226 | if (opP->mode != ABSL) | |
2227 | ++losing; | |
2228 | break; | |
2229 | ||
6da466c7 ILT |
2230 | case 'u': |
2231 | if (opP->reg < DATA0L || opP->reg > ADDR7U) | |
2232 | losing++; | |
2233 | /* FIXME: kludge instead of fixing parser: | |
2234 | upper/lower registers are *not* CONTROL | |
92774660 | 2235 | registers, but ordinary ones. */ |
6da466c7 ILT |
2236 | if ((opP->reg >= DATA0L && opP->reg <= DATA7L) |
2237 | || (opP->reg >= DATA0U && opP->reg <= DATA7U)) | |
2238 | opP->mode = DREG; | |
2239 | else | |
2240 | opP->mode = AREG; | |
2241 | break; | |
2242 | ||
3e602632 NC |
2243 | case 'y': |
2244 | if (!(opP->mode == AINDR | |
31302357 AS |
2245 | || (opP->mode == DISP |
2246 | && !(opP->reg == PC || opP->reg == ZPC)))) | |
3e602632 NC |
2247 | losing++; |
2248 | break; | |
2249 | ||
2250 | case 'z': | |
2251 | if (!(opP->mode == AINDR || opP->mode == DISP)) | |
2252 | losing++; | |
2253 | break; | |
2254 | ||
252b5132 RH |
2255 | default: |
2256 | abort (); | |
36759679 | 2257 | } |
252b5132 RH |
2258 | |
2259 | if (losing) | |
2260 | break; | |
36759679 | 2261 | } |
03b13e59 NC |
2262 | |
2263 | /* Since we have found the correct instruction, copy | |
2264 | in the modifications that we may have made. */ | |
2265 | if (!losing) | |
2266 | for (i = 0; i < opsfound; i++) | |
2267 | the_ins.operands[i] = operands_backup[i]; | |
36759679 | 2268 | } |
252b5132 RH |
2269 | |
2270 | if (!losing) | |
36759679 | 2271 | break; |
252b5132 RH |
2272 | |
2273 | opcode = opcode->m_next; | |
2274 | ||
2275 | if (!opcode) | |
2276 | { | |
2277 | if (ok_arch | |
2278 | && !(ok_arch & current_architecture)) | |
2279 | { | |
6d89cc8f NS |
2280 | const struct m68k_cpu *cpu; |
2281 | int any = 0; | |
2282 | size_t space = 400; | |
325801bd | 2283 | char *buf = XNEWVEC (char, space + 1); |
6d89cc8f NS |
2284 | size_t len; |
2285 | int paren = 1; | |
2286 | ||
2287 | the_ins.error = buf; | |
2288 | /* Make sure there's a NUL at the end of the buffer -- strncpy | |
b2f58c0c | 2289 | won't write one when it runs out of buffer. */ |
6d89cc8f NS |
2290 | buf[space] = 0; |
2291 | #define APPEND(STRING) \ | |
2292 | (strncpy (buf, STRING, space), len = strlen (buf), buf += len, space -= len) | |
2293 | ||
2294 | APPEND (_("invalid instruction for this architecture; needs ")); | |
252b5132 RH |
2295 | switch (ok_arch) |
2296 | { | |
6b6e92f4 | 2297 | case mcfisa_a: |
b2f58c0c | 2298 | APPEND ("ColdFire ISA_A"); |
6b6e92f4 NC |
2299 | break; |
2300 | case mcfhwdiv: | |
b2f58c0c NC |
2301 | APPEND ("ColdFire "); |
2302 | APPEND (_("hardware divide")); | |
6b6e92f4 NC |
2303 | break; |
2304 | case mcfisa_aa: | |
b2f58c0c | 2305 | APPEND ("ColdFire ISA_A+"); |
6b6e92f4 NC |
2306 | break; |
2307 | case mcfisa_b: | |
b2f58c0c | 2308 | APPEND ("ColdFire ISA_B"); |
6b6e92f4 | 2309 | break; |
8d100c32 | 2310 | case mcfisa_c: |
b2f58c0c | 2311 | APPEND ("ColdFire ISA_C"); |
8d100c32 | 2312 | break; |
3e602632 | 2313 | case cfloat: |
b2f58c0c | 2314 | APPEND ("ColdFire fpu"); |
3e602632 | 2315 | break; |
252b5132 | 2316 | case mfloat: |
b2f58c0c | 2317 | APPEND ("M68K fpu"); |
252b5132 RH |
2318 | break; |
2319 | case mmmu: | |
b2f58c0c | 2320 | APPEND ("M68K mmu"); |
252b5132 RH |
2321 | break; |
2322 | case m68020up: | |
b2f58c0c NC |
2323 | APPEND ("68020 "); |
2324 | APPEND (_("or higher")); | |
252b5132 RH |
2325 | break; |
2326 | case m68000up: | |
b2f58c0c NC |
2327 | APPEND ("68000 "); |
2328 | APPEND (_("or higher")); | |
252b5132 RH |
2329 | break; |
2330 | case m68010up: | |
b2f58c0c NC |
2331 | APPEND ("68010 "); |
2332 | APPEND (_("or higher")); | |
252b5132 RH |
2333 | break; |
2334 | default: | |
6d89cc8f NS |
2335 | paren = 0; |
2336 | } | |
2337 | if (paren) | |
2338 | APPEND (" ("); | |
6b6e92f4 | 2339 | |
6d89cc8f NS |
2340 | for (cpu = m68k_cpus; cpu->name; cpu++) |
2341 | if (!cpu->alias && (cpu->arch & ok_arch)) | |
2342 | { | |
2343 | const struct m68k_cpu *alias; | |
869ddf2a | 2344 | int seen_master = 0; |
3739860c | 2345 | |
6d89cc8f NS |
2346 | if (any) |
2347 | APPEND (", "); | |
2348 | any = 0; | |
2349 | APPEND (cpu->name); | |
869ddf2a NS |
2350 | for (alias = cpu; alias != m68k_cpus; alias--) |
2351 | if (alias[-1].alias >= 0) | |
2352 | break; | |
2353 | for (; !seen_master || alias->alias > 0; alias++) | |
6d89cc8f | 2354 | { |
869ddf2a NS |
2355 | if (!alias->alias) |
2356 | seen_master = 1; | |
2357 | else | |
2358 | { | |
2359 | if (any) | |
2360 | APPEND (", "); | |
2361 | else | |
2362 | APPEND (" ["); | |
2363 | APPEND (alias->name); | |
2364 | any = 1; | |
2365 | } | |
6d89cc8f | 2366 | } |
869ddf2a NS |
2367 | if (any) |
2368 | APPEND ("]"); | |
6d89cc8f | 2369 | any = 1; |
252b5132 | 2370 | } |
6d89cc8f NS |
2371 | if (paren) |
2372 | APPEND (")"); | |
2373 | #undef APPEND | |
2374 | if (!space) | |
2375 | { | |
b2f58c0c | 2376 | /* We ran out of space, so replace the end of the list |
6d89cc8f NS |
2377 | with ellipsis. */ |
2378 | buf -= 4; | |
2379 | while (*buf != ' ') | |
2380 | buf--; | |
2381 | strcpy (buf, " ..."); | |
252b5132 | 2382 | } |
252b5132 RH |
2383 | } |
2384 | else | |
2385 | the_ins.error = _("operands mismatch"); | |
2386 | return; | |
36759679 | 2387 | } |
252b5132 RH |
2388 | |
2389 | losing = 0; | |
2390 | } | |
2391 | ||
36759679 | 2392 | /* Now assemble it. */ |
252b5132 RH |
2393 | the_ins.args = opcode->m_operands; |
2394 | the_ins.numargs = opcode->m_opnum; | |
2395 | the_ins.numo = opcode->m_codenum; | |
2396 | the_ins.opcode[0] = getone (opcode); | |
2397 | the_ins.opcode[1] = gettwo (opcode); | |
2398 | ||
2399 | for (s = the_ins.args, opP = &the_ins.operands[0]; *s; s += 2, opP++) | |
2400 | { | |
9a2e615a | 2401 | int have_disp = 0; |
cac27205 | 2402 | int use_pl = 0; |
3739860c | 2403 | |
252b5132 | 2404 | /* This switch is a doozy. |
33eaf5de | 2405 | Watch the first step; it's a big one! */ |
252b5132 RH |
2406 | switch (s[0]) |
2407 | { | |
2408 | ||
2409 | case '*': | |
2410 | case '~': | |
2411 | case '%': | |
2412 | case ';': | |
2413 | case '@': | |
2414 | case '!': | |
2415 | case '&': | |
2416 | case '$': | |
2417 | case '?': | |
2418 | case '/': | |
2419 | case '<': | |
2420 | case '>': | |
3e602632 | 2421 | case 'b': |
252b5132 RH |
2422 | case 'm': |
2423 | case 'n': | |
2424 | case 'o': | |
2425 | case 'p': | |
2426 | case 'q': | |
2427 | case 'v': | |
3e602632 NC |
2428 | case 'w': |
2429 | case 'y': | |
2430 | case 'z': | |
fd99574b | 2431 | case '4': |
252b5132 RH |
2432 | #ifndef NO_68851 |
2433 | case '|': | |
2434 | #endif | |
2435 | switch (opP->mode) | |
2436 | { | |
2437 | case IMMED: | |
2438 | tmpreg = 0x3c; /* 7.4 */ | |
2439 | if (strchr ("bwl", s[1])) | |
3e602632 | 2440 | nextword = get_num (&opP->disp, 90); |
252b5132 RH |
2441 | else |
2442 | nextword = get_num (&opP->disp, 0); | |
2443 | if (isvar (&opP->disp)) | |
2444 | add_fix (s[1], &opP->disp, 0, 0); | |
2445 | switch (s[1]) | |
2446 | { | |
2447 | case 'b': | |
2448 | if (!isbyte (nextword)) | |
2449 | opP->error = _("operand out of range"); | |
2450 | addword (nextword); | |
2451 | baseo = 0; | |
2452 | break; | |
2453 | case 'w': | |
2454 | if (!isword (nextword)) | |
2455 | opP->error = _("operand out of range"); | |
2456 | addword (nextword); | |
2457 | baseo = 0; | |
2458 | break; | |
2459 | case 'W': | |
2460 | if (!issword (nextword)) | |
2461 | opP->error = _("operand out of range"); | |
2462 | addword (nextword); | |
2463 | baseo = 0; | |
2464 | break; | |
2465 | case 'l': | |
2466 | addword (nextword >> 16); | |
2467 | addword (nextword); | |
2468 | baseo = 0; | |
2469 | break; | |
2470 | ||
2471 | case 'f': | |
2472 | baseo = 2; | |
2473 | outro = 8; | |
2474 | break; | |
2475 | case 'F': | |
2476 | baseo = 4; | |
2477 | outro = 11; | |
2478 | break; | |
2479 | case 'x': | |
2480 | baseo = 6; | |
2481 | outro = 15; | |
2482 | break; | |
2483 | case 'p': | |
2484 | baseo = 6; | |
2485 | outro = -1; | |
2486 | break; | |
2487 | default: | |
2488 | abort (); | |
2489 | } | |
2490 | if (!baseo) | |
2491 | break; | |
2492 | ||
36759679 | 2493 | /* We gotta put out some float. */ |
252b5132 RH |
2494 | if (op (&opP->disp) != O_big) |
2495 | { | |
2496 | valueT val; | |
2497 | int gencnt; | |
2498 | ||
2499 | /* Can other cases happen here? */ | |
2500 | if (op (&opP->disp) != O_constant) | |
2501 | abort (); | |
2502 | ||
2503 | val = (valueT) offs (&opP->disp); | |
2504 | gencnt = 0; | |
2505 | do | |
2506 | { | |
2507 | generic_bignum[gencnt] = (LITTLENUM_TYPE) val; | |
2508 | val >>= LITTLENUM_NUMBER_OF_BITS; | |
2509 | ++gencnt; | |
2510 | } | |
2511 | while (val != 0); | |
2512 | offs (&opP->disp) = gencnt; | |
2513 | } | |
2514 | if (offs (&opP->disp) > 0) | |
2515 | { | |
2516 | if (offs (&opP->disp) > baseo) | |
2517 | { | |
2518 | as_warn (_("Bignum too big for %c format; truncated"), | |
2519 | s[1]); | |
2520 | offs (&opP->disp) = baseo; | |
2521 | } | |
2522 | baseo -= offs (&opP->disp); | |
2523 | while (baseo--) | |
2524 | addword (0); | |
2525 | for (wordp = generic_bignum + offs (&opP->disp) - 1; | |
2526 | offs (&opP->disp)--; | |
2527 | --wordp) | |
2528 | addword (*wordp); | |
2529 | break; | |
2530 | } | |
2531 | gen_to_words (words, baseo, (long) outro); | |
2532 | for (wordp = words; baseo--; wordp++) | |
2533 | addword (*wordp); | |
2534 | break; | |
2535 | case DREG: | |
2536 | tmpreg = opP->reg - DATA; /* 0.dreg */ | |
2537 | break; | |
2538 | case AREG: | |
2539 | tmpreg = 0x08 + opP->reg - ADDR; /* 1.areg */ | |
2540 | break; | |
2541 | case AINDR: | |
2542 | tmpreg = 0x10 + opP->reg - ADDR; /* 2.areg */ | |
2543 | break; | |
2544 | case ADEC: | |
2545 | tmpreg = 0x20 + opP->reg - ADDR; /* 4.areg */ | |
2546 | break; | |
2547 | case AINC: | |
2548 | tmpreg = 0x18 + opP->reg - ADDR; /* 3.areg */ | |
2549 | break; | |
2550 | case DISP: | |
2551 | ||
3e602632 | 2552 | nextword = get_num (&opP->disp, 90); |
252b5132 | 2553 | |
580b9172 NC |
2554 | /* Convert mode 5 addressing with a zero offset into |
2555 | mode 2 addressing to reduce the instruction size by a | |
2556 | word. */ | |
2557 | if (! isvar (&opP->disp) | |
2558 | && (nextword == 0) | |
2559 | && (opP->disp.size == SIZE_UNSPEC) | |
2560 | && (opP->reg >= ADDR0) | |
2561 | && (opP->reg <= ADDR7)) | |
2562 | { | |
2563 | tmpreg = 0x10 + opP->reg - ADDR; /* 2.areg */ | |
2564 | break; | |
2565 | } | |
2566 | ||
252b5132 RH |
2567 | if (opP->reg == PC |
2568 | && ! isvar (&opP->disp) | |
2569 | && m68k_abspcadd) | |
2570 | { | |
2571 | opP->disp.exp.X_op = O_symbol; | |
252b5132 RH |
2572 | opP->disp.exp.X_add_symbol = |
2573 | section_symbol (absolute_section); | |
252b5132 RH |
2574 | } |
2575 | ||
36759679 | 2576 | /* Force into index mode. Hope this works. */ |
252b5132 RH |
2577 | |
2578 | /* We do the first bit for 32-bit displacements, and the | |
2579 | second bit for 16 bit ones. It is possible that we | |
2580 | should make the default be WORD instead of LONG, but | |
2581 | I think that'd break GCC, so we put up with a little | |
2582 | inefficiency for the sake of working output. */ | |
2583 | ||
2584 | if (!issword (nextword) | |
2585 | || (isvar (&opP->disp) | |
2586 | && ((opP->disp.size == SIZE_UNSPEC | |
2587 | && flag_short_refs == 0 | |
2588 | && cpu_of_arch (current_architecture) >= m68020 | |
6da466c7 | 2589 | && ! arch_coldfire_p (current_architecture)) |
252b5132 RH |
2590 | || opP->disp.size == SIZE_LONG))) |
2591 | { | |
2592 | if (cpu_of_arch (current_architecture) < m68020 | |
6da466c7 | 2593 | || arch_coldfire_p (current_architecture)) |
252b5132 RH |
2594 | opP->error = |
2595 | _("displacement too large for this architecture; needs 68020 or higher"); | |
2596 | if (opP->reg == PC) | |
2597 | tmpreg = 0x3B; /* 7.3 */ | |
2598 | else | |
2599 | tmpreg = 0x30 + opP->reg - ADDR; /* 6.areg */ | |
2600 | if (isvar (&opP->disp)) | |
2601 | { | |
2602 | if (opP->reg == PC) | |
2603 | { | |
2604 | if (opP->disp.size == SIZE_LONG | |
252b5132 RH |
2605 | /* If the displacement needs pic |
2606 | relocation it cannot be relaxed. */ | |
dc12032b | 2607 | || opP->disp.pic_reloc != pic_none) |
252b5132 RH |
2608 | { |
2609 | addword (0x0170); | |
2610 | add_fix ('l', &opP->disp, 1, 2); | |
2611 | } | |
2612 | else | |
2613 | { | |
2614 | add_frag (adds (&opP->disp), | |
bd17c2c3 | 2615 | SEXT (offs (&opP->disp)), |
151337e8 | 2616 | TAB (PCREL1632, SZ_UNDEF)); |
252b5132 RH |
2617 | break; |
2618 | } | |
2619 | } | |
2620 | else | |
2621 | { | |
2622 | addword (0x0170); | |
2623 | add_fix ('l', &opP->disp, 0, 0); | |
2624 | } | |
2625 | } | |
2626 | else | |
2627 | addword (0x0170); | |
2628 | addword (nextword >> 16); | |
2629 | } | |
2630 | else | |
2631 | { | |
2632 | if (opP->reg == PC) | |
2633 | tmpreg = 0x3A; /* 7.2 */ | |
2634 | else | |
2635 | tmpreg = 0x28 + opP->reg - ADDR; /* 5.areg */ | |
2636 | ||
2637 | if (isvar (&opP->disp)) | |
2638 | { | |
2639 | if (opP->reg == PC) | |
2640 | { | |
2641 | add_fix ('w', &opP->disp, 1, 0); | |
2642 | } | |
2643 | else | |
2644 | add_fix ('w', &opP->disp, 0, 0); | |
2645 | } | |
2646 | } | |
2647 | addword (nextword); | |
2648 | break; | |
2649 | ||
2650 | case POST: | |
2651 | case PRE: | |
2652 | case BASE: | |
2653 | nextword = 0; | |
3e602632 | 2654 | baseo = get_num (&opP->disp, 90); |
252b5132 | 2655 | if (opP->mode == POST || opP->mode == PRE) |
3e602632 | 2656 | outro = get_num (&opP->odisp, 90); |
252b5132 RH |
2657 | /* Figure out the `addressing mode'. |
2658 | Also turn on the BASE_DISABLE bit, if needed. */ | |
2659 | if (opP->reg == PC || opP->reg == ZPC) | |
2660 | { | |
2661 | tmpreg = 0x3b; /* 7.3 */ | |
2662 | if (opP->reg == ZPC) | |
2663 | nextword |= 0x80; | |
2664 | } | |
2665 | else if (opP->reg == 0) | |
2666 | { | |
2667 | nextword |= 0x80; | |
2668 | tmpreg = 0x30; /* 6.garbage */ | |
2669 | } | |
2670 | else if (opP->reg >= ZADDR0 && opP->reg <= ZADDR7) | |
2671 | { | |
2672 | nextword |= 0x80; | |
2673 | tmpreg = 0x30 + opP->reg - ZADDR0; | |
2674 | } | |
2675 | else | |
2676 | tmpreg = 0x30 + opP->reg - ADDR; /* 6.areg */ | |
2677 | ||
2678 | siz1 = opP->disp.size; | |
2679 | if (opP->mode == POST || opP->mode == PRE) | |
2680 | siz2 = opP->odisp.size; | |
2681 | else | |
2682 | siz2 = SIZE_UNSPEC; | |
2683 | ||
36759679 | 2684 | /* Index register stuff. */ |
252b5132 RH |
2685 | if (opP->index.reg != 0 |
2686 | && opP->index.reg >= DATA | |
2687 | && opP->index.reg <= ADDR7) | |
2688 | { | |
2689 | nextword |= (opP->index.reg - DATA) << 12; | |
2690 | ||
2691 | if (opP->index.size == SIZE_LONG | |
2692 | || (opP->index.size == SIZE_UNSPEC | |
2693 | && m68k_index_width_default == SIZE_LONG)) | |
2694 | nextword |= 0x800; | |
2695 | ||
92774660 | 2696 | if ((opP->index.scale != 1 |
252b5132 | 2697 | && cpu_of_arch (current_architecture) < m68020) |
92774660 | 2698 | || (opP->index.scale == 8 |
3e602632 | 2699 | && (arch_coldfire_p (current_architecture) |
6b6e92f4 | 2700 | && !arch_coldfire_fpu (current_architecture)))) |
252b5132 RH |
2701 | { |
2702 | opP->error = | |
2703 | _("scale factor invalid on this architecture; needs cpu32 or 68020 or higher"); | |
2704 | } | |
2705 | ||
6da466c7 ILT |
2706 | if (arch_coldfire_p (current_architecture) |
2707 | && opP->index.size == SIZE_WORD) | |
2708 | opP->error = _("invalid index size for coldfire"); | |
2709 | ||
252b5132 RH |
2710 | switch (opP->index.scale) |
2711 | { | |
2712 | case 1: | |
2713 | break; | |
2714 | case 2: | |
2715 | nextword |= 0x200; | |
2716 | break; | |
2717 | case 4: | |
2718 | nextword |= 0x400; | |
2719 | break; | |
2720 | case 8: | |
2721 | nextword |= 0x600; | |
2722 | break; | |
2723 | default: | |
2724 | abort (); | |
2725 | } | |
33eaf5de | 2726 | /* IF it's simple, |
252b5132 RH |
2727 | GET US OUT OF HERE! */ |
2728 | ||
2729 | /* Must be INDEX, with an index register. Address | |
2730 | register cannot be ZERO-PC, and either :b was | |
2731 | forced, or we know it will fit. For a 68000 or | |
2732 | 68010, force this mode anyways, because the | |
2733 | larger modes aren't supported. */ | |
2734 | if (opP->mode == BASE | |
2735 | && ((opP->reg >= ADDR0 | |
2736 | && opP->reg <= ADDR7) | |
2737 | || opP->reg == PC)) | |
2738 | { | |
2739 | if (siz1 == SIZE_BYTE | |
2740 | || cpu_of_arch (current_architecture) < m68020 | |
6da466c7 | 2741 | || arch_coldfire_p (current_architecture) |
252b5132 RH |
2742 | || (siz1 == SIZE_UNSPEC |
2743 | && ! isvar (&opP->disp) | |
2744 | && issbyte (baseo))) | |
2745 | { | |
2746 | nextword += baseo & 0xff; | |
2747 | addword (nextword); | |
2748 | if (isvar (&opP->disp)) | |
2749 | { | |
2750 | /* Do a byte relocation. If it doesn't | |
2751 | fit (possible on m68000) let the | |
2752 | fixup processing complain later. */ | |
2753 | if (opP->reg == PC) | |
2754 | add_fix ('B', &opP->disp, 1, 1); | |
2755 | else | |
2756 | add_fix ('B', &opP->disp, 0, 0); | |
2757 | } | |
2758 | else if (siz1 != SIZE_BYTE) | |
2759 | { | |
2760 | if (siz1 != SIZE_UNSPEC) | |
2761 | as_warn (_("Forcing byte displacement")); | |
2762 | if (! issbyte (baseo)) | |
2763 | opP->error = _("byte displacement out of range"); | |
2764 | } | |
2765 | ||
2766 | break; | |
2767 | } | |
2768 | else if (siz1 == SIZE_UNSPEC | |
2769 | && opP->reg == PC | |
2770 | && isvar (&opP->disp) | |
2771 | && subs (&opP->disp) == NULL | |
252b5132 RH |
2772 | /* If the displacement needs pic |
2773 | relocation it cannot be relaxed. */ | |
dc12032b | 2774 | && opP->disp.pic_reloc == pic_none) |
252b5132 RH |
2775 | { |
2776 | /* The code in md_convert_frag_1 needs to be | |
2777 | able to adjust nextword. Call frag_grow | |
2778 | to ensure that we have enough space in | |
2779 | the frag obstack to make all the bytes | |
2780 | contiguous. */ | |
2781 | frag_grow (14); | |
8a104df9 KH |
2782 | nextword += baseo & 0xff; |
2783 | addword (nextword); | |
bd17c2c3 AM |
2784 | add_frag (adds (&opP->disp), |
2785 | SEXT (offs (&opP->disp)), | |
8a104df9 | 2786 | TAB (PCINDEX, SZ_UNDEF)); |
252b5132 RH |
2787 | |
2788 | break; | |
8a104df9 | 2789 | } |
252b5132 RH |
2790 | } |
2791 | } | |
2792 | else | |
2793 | { | |
36759679 | 2794 | nextword |= 0x40; /* No index reg. */ |
252b5132 RH |
2795 | if (opP->index.reg >= ZDATA0 |
2796 | && opP->index.reg <= ZDATA7) | |
2797 | nextword |= (opP->index.reg - ZDATA0) << 12; | |
2798 | else if (opP->index.reg >= ZADDR0 | |
59e28a97 | 2799 | && opP->index.reg <= ZADDR7) |
252b5132 RH |
2800 | nextword |= (opP->index.reg - ZADDR0 + 8) << 12; |
2801 | } | |
2802 | ||
2803 | /* It isn't simple. */ | |
2804 | ||
2805 | if (cpu_of_arch (current_architecture) < m68020 | |
6da466c7 | 2806 | || arch_coldfire_p (current_architecture)) |
252b5132 RH |
2807 | opP->error = |
2808 | _("invalid operand mode for this architecture; needs 68020 or higher"); | |
2809 | ||
2810 | nextword |= 0x100; | |
2811 | /* If the guy specified a width, we assume that it is | |
2812 | wide enough. Maybe it isn't. If so, we lose. */ | |
2813 | switch (siz1) | |
2814 | { | |
2815 | case SIZE_UNSPEC: | |
2816 | if (isvar (&opP->disp) | |
2817 | ? m68k_rel32 | |
2818 | : ! issword (baseo)) | |
2819 | { | |
2820 | siz1 = SIZE_LONG; | |
2821 | nextword |= 0x30; | |
2822 | } | |
2823 | else if (! isvar (&opP->disp) && baseo == 0) | |
2824 | nextword |= 0x10; | |
2825 | else | |
2826 | { | |
2827 | nextword |= 0x20; | |
2828 | siz1 = SIZE_WORD; | |
2829 | } | |
2830 | break; | |
2831 | case SIZE_BYTE: | |
2832 | as_warn (_(":b not permitted; defaulting to :w")); | |
2833 | /* Fall through. */ | |
2834 | case SIZE_WORD: | |
2835 | nextword |= 0x20; | |
2836 | break; | |
2837 | case SIZE_LONG: | |
2838 | nextword |= 0x30; | |
2839 | break; | |
2840 | } | |
2841 | ||
67c1ffbe | 2842 | /* Figure out inner displacement stuff. */ |
252b5132 RH |
2843 | if (opP->mode == POST || opP->mode == PRE) |
2844 | { | |
2845 | if (cpu_of_arch (current_architecture) & cpu32) | |
2846 | opP->error = _("invalid operand mode for this architecture; needs 68020 or higher"); | |
2847 | switch (siz2) | |
2848 | { | |
2849 | case SIZE_UNSPEC: | |
2850 | if (isvar (&opP->odisp) | |
2851 | ? m68k_rel32 | |
2852 | : ! issword (outro)) | |
2853 | { | |
2854 | siz2 = SIZE_LONG; | |
2855 | nextword |= 0x3; | |
2856 | } | |
2857 | else if (! isvar (&opP->odisp) && outro == 0) | |
2858 | nextword |= 0x1; | |
2859 | else | |
2860 | { | |
2861 | nextword |= 0x2; | |
2862 | siz2 = SIZE_WORD; | |
2863 | } | |
2864 | break; | |
2865 | case 1: | |
2866 | as_warn (_(":b not permitted; defaulting to :w")); | |
2867 | /* Fall through. */ | |
2868 | case 2: | |
2869 | nextword |= 0x2; | |
2870 | break; | |
2871 | case 3: | |
2872 | nextword |= 0x3; | |
2873 | break; | |
2874 | } | |
2875 | if (opP->mode == POST | |
2876 | && (nextword & 0x40) == 0) | |
2877 | nextword |= 0x04; | |
2878 | } | |
2879 | addword (nextword); | |
2880 | ||
2881 | if (siz1 != SIZE_UNSPEC && isvar (&opP->disp)) | |
2882 | { | |
2883 | if (opP->reg == PC || opP->reg == ZPC) | |
2884 | add_fix (siz1 == SIZE_LONG ? 'l' : 'w', &opP->disp, 1, 2); | |
2885 | else | |
2886 | add_fix (siz1 == SIZE_LONG ? 'l' : 'w', &opP->disp, 0, 0); | |
2887 | } | |
2888 | if (siz1 == SIZE_LONG) | |
2889 | addword (baseo >> 16); | |
2890 | if (siz1 != SIZE_UNSPEC) | |
2891 | addword (baseo); | |
2892 | ||
2893 | if (siz2 != SIZE_UNSPEC && isvar (&opP->odisp)) | |
2894 | add_fix (siz2 == SIZE_LONG ? 'l' : 'w', &opP->odisp, 0, 0); | |
2895 | if (siz2 == SIZE_LONG) | |
2896 | addword (outro >> 16); | |
2897 | if (siz2 != SIZE_UNSPEC) | |
2898 | addword (outro); | |
2899 | ||
2900 | break; | |
2901 | ||
2902 | case ABSL: | |
3e602632 | 2903 | nextword = get_num (&opP->disp, 90); |
252b5132 RH |
2904 | switch (opP->disp.size) |
2905 | { | |
2906 | default: | |
2907 | abort (); | |
2908 | case SIZE_UNSPEC: | |
2909 | if (!isvar (&opP->disp) && issword (offs (&opP->disp))) | |
2910 | { | |
2911 | tmpreg = 0x38; /* 7.0 */ | |
2912 | addword (nextword); | |
2913 | break; | |
2914 | } | |
252b5132 RH |
2915 | if (isvar (&opP->disp) |
2916 | && !subs (&opP->disp) | |
2917 | && adds (&opP->disp) | |
252b5132 RH |
2918 | /* If the displacement needs pic relocation it |
2919 | cannot be relaxed. */ | |
2920 | && opP->disp.pic_reloc == pic_none | |
252b5132 RH |
2921 | && !flag_long_jumps |
2922 | && !strchr ("~%&$?", s[0])) | |
2923 | { | |
2924 | tmpreg = 0x3A; /* 7.2 */ | |
2925 | add_frag (adds (&opP->disp), | |
bd17c2c3 | 2926 | SEXT (offs (&opP->disp)), |
151337e8 | 2927 | TAB (ABSTOPCREL, SZ_UNDEF)); |
252b5132 RH |
2928 | break; |
2929 | } | |
1a0670f3 | 2930 | /* Fall through. */ |
252b5132 RH |
2931 | case SIZE_LONG: |
2932 | if (isvar (&opP->disp)) | |
2933 | add_fix ('l', &opP->disp, 0, 0); | |
2934 | ||
2935 | tmpreg = 0x39;/* 7.1 mode */ | |
2936 | addword (nextword >> 16); | |
2937 | addword (nextword); | |
2938 | break; | |
2939 | ||
2940 | case SIZE_BYTE: | |
2941 | as_bad (_("unsupported byte value; use a different suffix")); | |
2942 | /* Fall through. */ | |
36759679 NC |
2943 | |
2944 | case SIZE_WORD: | |
252b5132 RH |
2945 | if (isvar (&opP->disp)) |
2946 | add_fix ('w', &opP->disp, 0, 0); | |
2947 | ||
2948 | tmpreg = 0x38;/* 7.0 mode */ | |
2949 | addword (nextword); | |
2950 | break; | |
2951 | } | |
2952 | break; | |
2953 | case CONTROL: | |
2954 | case FPREG: | |
2955 | default: | |
2956 | as_bad (_("unknown/incorrect operand")); | |
bc805888 | 2957 | /* abort (); */ |
252b5132 | 2958 | } |
fd99574b NC |
2959 | |
2960 | /* If s[0] is '4', then this is for the mac instructions | |
2961 | that can have a trailing_ampersand set. If so, set 0x100 | |
2962 | bit on tmpreg so install_gen_operand can check for it and | |
2963 | set the appropriate bit (word2, bit 5). */ | |
2964 | if (s[0] == '4') | |
2965 | { | |
2966 | if (opP->trailing_ampersand) | |
2967 | tmpreg |= 0x100; | |
2968 | } | |
252b5132 RH |
2969 | install_gen_operand (s[1], tmpreg); |
2970 | break; | |
2971 | ||
2972 | case '#': | |
2973 | case '^': | |
2974 | switch (s[1]) | |
2975 | { /* JF: I hate floating point! */ | |
2976 | case 'j': | |
2977 | tmpreg = 70; | |
2978 | break; | |
2979 | case '8': | |
2980 | tmpreg = 20; | |
2981 | break; | |
2982 | case 'C': | |
2983 | tmpreg = 50; | |
2984 | break; | |
2985 | case '3': | |
2986 | default: | |
3e602632 | 2987 | tmpreg = 90; |
252b5132 RH |
2988 | break; |
2989 | } | |
2990 | tmpreg = get_num (&opP->disp, tmpreg); | |
2991 | if (isvar (&opP->disp)) | |
2992 | add_fix (s[1], &opP->disp, 0, 0); | |
2993 | switch (s[1]) | |
2994 | { | |
2995 | case 'b': /* Danger: These do no check for | |
2996 | certain types of overflow. | |
2997 | user beware! */ | |
2998 | if (!isbyte (tmpreg)) | |
2999 | opP->error = _("out of range"); | |
3000 | insop (tmpreg, opcode); | |
3001 | if (isvar (&opP->disp)) | |
3002 | the_ins.reloc[the_ins.nrel - 1].n = | |
3003 | (opcode->m_codenum) * 2 + 1; | |
3004 | break; | |
3005 | case 'B': | |
3006 | if (!issbyte (tmpreg)) | |
3007 | opP->error = _("out of range"); | |
3008 | the_ins.opcode[the_ins.numo - 1] |= tmpreg & 0xff; | |
3009 | if (isvar (&opP->disp)) | |
3010 | the_ins.reloc[the_ins.nrel - 1].n = opcode->m_codenum * 2 - 1; | |
3011 | break; | |
3012 | case 'w': | |
3013 | if (!isword (tmpreg)) | |
3014 | opP->error = _("out of range"); | |
3015 | insop (tmpreg, opcode); | |
3016 | if (isvar (&opP->disp)) | |
3017 | the_ins.reloc[the_ins.nrel - 1].n = (opcode->m_codenum) * 2; | |
3018 | break; | |
3019 | case 'W': | |
3020 | if (!issword (tmpreg)) | |
3021 | opP->error = _("out of range"); | |
3022 | insop (tmpreg, opcode); | |
3023 | if (isvar (&opP->disp)) | |
3024 | the_ins.reloc[the_ins.nrel - 1].n = (opcode->m_codenum) * 2; | |
3025 | break; | |
3026 | case 'l': | |
3027 | /* Because of the way insop works, we put these two out | |
3028 | backwards. */ | |
3029 | insop (tmpreg, opcode); | |
3030 | insop (tmpreg >> 16, opcode); | |
3031 | if (isvar (&opP->disp)) | |
3032 | the_ins.reloc[the_ins.nrel - 1].n = (opcode->m_codenum) * 2; | |
3033 | break; | |
3034 | case '3': | |
3035 | tmpreg &= 0xFF; | |
1a0670f3 | 3036 | /* Fall through. */ |
252b5132 RH |
3037 | case '8': |
3038 | case 'C': | |
3039 | case 'j': | |
3040 | install_operand (s[1], tmpreg); | |
3041 | break; | |
3042 | default: | |
3043 | abort (); | |
3044 | } | |
3045 | break; | |
3046 | ||
3047 | case '+': | |
3048 | case '-': | |
3049 | case 'A': | |
3050 | case 'a': | |
3051 | install_operand (s[1], opP->reg - ADDR); | |
3052 | break; | |
3053 | ||
3054 | case 'B': | |
3e602632 | 3055 | tmpreg = get_num (&opP->disp, 90); |
3739860c | 3056 | |
252b5132 RH |
3057 | switch (s[1]) |
3058 | { | |
3059 | case 'B': | |
8390138c | 3060 | add_fix ('B', &opP->disp, 1, -1); |
252b5132 RH |
3061 | break; |
3062 | case 'W': | |
3063 | add_fix ('w', &opP->disp, 1, 0); | |
3064 | addword (0); | |
3065 | break; | |
3066 | case 'L': | |
3067 | long_branch: | |
151337e8 | 3068 | the_ins.opcode[0] |= 0xff; |
252b5132 RH |
3069 | add_fix ('l', &opP->disp, 1, 0); |
3070 | addword (0); | |
3071 | addword (0); | |
3072 | break; | |
9a2e615a NS |
3073 | case 'g': /* Conditional branch */ |
3074 | have_disp = HAVE_LONG_CALL (current_architecture); | |
3075 | goto var_branch; | |
3739860c | 3076 | |
9a2e615a NS |
3077 | case 'b': /* Unconditional branch */ |
3078 | have_disp = HAVE_LONG_BRANCH (current_architecture); | |
cac27205 | 3079 | use_pl = LONG_BRANCH_VIA_COND (current_architecture); |
9a2e615a | 3080 | goto var_branch; |
3739860c | 3081 | |
9a2e615a NS |
3082 | case 's': /* Unconditional subroutine */ |
3083 | have_disp = HAVE_LONG_CALL (current_architecture); | |
3739860c | 3084 | |
9a2e615a NS |
3085 | var_branch: |
3086 | if (subs (&opP->disp) /* We can't relax it. */ | |
9a2e615a NS |
3087 | /* If the displacement needs pic relocation it cannot be |
3088 | relaxed. */ | |
dc12032b | 3089 | || opP->disp.pic_reloc != pic_none) |
9a2e615a NS |
3090 | { |
3091 | if (!have_disp) | |
3092 | as_warn (_("Can't use long branches on this architecture")); | |
3093 | goto long_branch; | |
3094 | } | |
3739860c | 3095 | |
252b5132 | 3096 | /* This could either be a symbol, or an absolute |
151337e8 NC |
3097 | address. If it's an absolute address, turn it into |
3098 | an absolute jump right here and keep it out of the | |
3099 | relaxer. */ | |
3100 | if (adds (&opP->disp) == 0) | |
3101 | { | |
3102 | if (the_ins.opcode[0] == 0x6000) /* jbra */ | |
18566f55 | 3103 | the_ins.opcode[0] = 0x4EF9; |
151337e8 | 3104 | else if (the_ins.opcode[0] == 0x6100) /* jbsr */ |
18566f55 | 3105 | the_ins.opcode[0] = 0x4EB9; |
151337e8 NC |
3106 | else /* jCC */ |
3107 | { | |
3108 | the_ins.opcode[0] ^= 0x0100; | |
3109 | the_ins.opcode[0] |= 0x0006; | |
18566f55 | 3110 | addword (0x4EF9); |
151337e8 NC |
3111 | } |
3112 | add_fix ('l', &opP->disp, 0, 0); | |
3113 | addword (0); | |
3114 | addword (0); | |
3115 | break; | |
3116 | } | |
3117 | ||
3118 | /* Now we know it's going into the relaxer. Now figure | |
3119 | out which mode. We try in this order of preference: | |
3120 | long branch, absolute jump, byte/word branches only. */ | |
9a2e615a | 3121 | if (have_disp) |
bd17c2c3 AM |
3122 | add_frag (adds (&opP->disp), |
3123 | SEXT (offs (&opP->disp)), | |
151337e8 NC |
3124 | TAB (BRANCHBWL, SZ_UNDEF)); |
3125 | else if (! flag_keep_pcrel) | |
3126 | { | |
3127 | if ((the_ins.opcode[0] == 0x6000) | |
3128 | || (the_ins.opcode[0] == 0x6100)) | |
bd17c2c3 AM |
3129 | add_frag (adds (&opP->disp), |
3130 | SEXT (offs (&opP->disp)), | |
151337e8 NC |
3131 | TAB (BRABSJUNC, SZ_UNDEF)); |
3132 | else | |
bd17c2c3 AM |
3133 | add_frag (adds (&opP->disp), |
3134 | SEXT (offs (&opP->disp)), | |
151337e8 NC |
3135 | TAB (BRABSJCOND, SZ_UNDEF)); |
3136 | } | |
252b5132 | 3137 | else |
bd17c2c3 AM |
3138 | add_frag (adds (&opP->disp), |
3139 | SEXT (offs (&opP->disp)), | |
cac27205 NC |
3140 | (use_pl ? TAB (BRANCHBWPL, SZ_UNDEF) |
3141 | : TAB (BRANCHBW, SZ_UNDEF))); | |
252b5132 RH |
3142 | break; |
3143 | case 'w': | |
3144 | if (isvar (&opP->disp)) | |
3145 | { | |
151337e8 NC |
3146 | /* Check for DBcc instructions. We can relax them, |
3147 | but only if we have long branches and/or absolute | |
3148 | jumps. */ | |
3149 | if (((the_ins.opcode[0] & 0xf0f8) == 0x50c8) | |
3150 | && (HAVE_LONG_BRANCH (current_architecture) | |
9a2e615a | 3151 | || ! flag_keep_pcrel)) |
252b5132 | 3152 | { |
151337e8 | 3153 | if (HAVE_LONG_BRANCH (current_architecture)) |
bd17c2c3 AM |
3154 | add_frag (adds (&opP->disp), |
3155 | SEXT (offs (&opP->disp)), | |
151337e8 NC |
3156 | TAB (DBCCLBR, SZ_UNDEF)); |
3157 | else | |
bd17c2c3 AM |
3158 | add_frag (adds (&opP->disp), |
3159 | SEXT (offs (&opP->disp)), | |
151337e8 | 3160 | TAB (DBCCABSJ, SZ_UNDEF)); |
252b5132 RH |
3161 | break; |
3162 | } | |
252b5132 RH |
3163 | add_fix ('w', &opP->disp, 1, 0); |
3164 | } | |
3165 | addword (0); | |
3166 | break; | |
36759679 | 3167 | case 'C': /* Fixed size LONG coproc branches. */ |
252b5132 RH |
3168 | add_fix ('l', &opP->disp, 1, 0); |
3169 | addword (0); | |
3170 | addword (0); | |
3171 | break; | |
36759679 | 3172 | case 'c': /* Var size Coprocesssor branches. */ |
151337e8 | 3173 | if (subs (&opP->disp) || (adds (&opP->disp) == 0)) |
252b5132 | 3174 | { |
252b5132 RH |
3175 | the_ins.opcode[the_ins.numo - 1] |= 0x40; |
3176 | add_fix ('l', &opP->disp, 1, 0); | |
3177 | addword (0); | |
3178 | addword (0); | |
3179 | } | |
151337e8 | 3180 | else |
bd17c2c3 AM |
3181 | add_frag (adds (&opP->disp), |
3182 | SEXT (offs (&opP->disp)), | |
151337e8 | 3183 | TAB (FBRANCH, SZ_UNDEF)); |
252b5132 RH |
3184 | break; |
3185 | default: | |
3186 | abort (); | |
3187 | } | |
3188 | break; | |
3189 | ||
36759679 | 3190 | case 'C': /* Ignore it. */ |
252b5132 RH |
3191 | break; |
3192 | ||
36759679 | 3193 | case 'd': /* JF this is a kludge. */ |
252b5132 | 3194 | install_operand ('s', opP->reg - ADDR); |
3e602632 | 3195 | tmpreg = get_num (&opP->disp, 90); |
252b5132 RH |
3196 | if (!issword (tmpreg)) |
3197 | { | |
3198 | as_warn (_("Expression out of range, using 0")); | |
3199 | tmpreg = 0; | |
3200 | } | |
3201 | addword (tmpreg); | |
3202 | break; | |
3203 | ||
3204 | case 'D': | |
3205 | install_operand (s[1], opP->reg - DATA); | |
3206 | break; | |
3207 | ||
fd99574b NC |
3208 | case 'e': /* EMAC ACCx, reg/reg. */ |
3209 | install_operand (s[1], opP->reg - ACC); | |
3210 | break; | |
3739860c | 3211 | |
36759679 | 3212 | case 'E': /* Ignore it. */ |
6da466c7 ILT |
3213 | break; |
3214 | ||
252b5132 RH |
3215 | case 'F': |
3216 | install_operand (s[1], opP->reg - FP0); | |
3217 | break; | |
3218 | ||
fd99574b NC |
3219 | case 'g': /* EMAC ACCEXTx. */ |
3220 | install_operand (s[1], opP->reg - ACCEXT01); | |
3221 | break; | |
3222 | ||
36759679 | 3223 | case 'G': /* Ignore it. */ |
6da466c7 ILT |
3224 | case 'H': |
3225 | break; | |
3226 | ||
252b5132 RH |
3227 | case 'I': |
3228 | tmpreg = opP->reg - COP0; | |
3229 | install_operand (s[1], tmpreg); | |
3230 | break; | |
3231 | ||
fd99574b NC |
3232 | case 'i': /* MAC/EMAC scale factor. */ |
3233 | install_operand (s[1], opP->mode == LSH ? 0x1 : 0x3); | |
3234 | break; | |
3235 | ||
36759679 | 3236 | case 'J': /* JF foo. */ |
252b5132 RH |
3237 | switch (opP->reg) |
3238 | { | |
3239 | case SFC: | |
3240 | tmpreg = 0x000; | |
3241 | break; | |
3242 | case DFC: | |
3243 | tmpreg = 0x001; | |
3244 | break; | |
3245 | case CACR: | |
3246 | tmpreg = 0x002; | |
3247 | break; | |
3248 | case TC: | |
a8e24a56 | 3249 | case ASID: |
252b5132 RH |
3250 | tmpreg = 0x003; |
3251 | break; | |
3e602632 | 3252 | case ACR0: |
252b5132 RH |
3253 | case ITT0: |
3254 | tmpreg = 0x004; | |
3255 | break; | |
3e602632 | 3256 | case ACR1: |
252b5132 RH |
3257 | case ITT1: |
3258 | tmpreg = 0x005; | |
3259 | break; | |
3e602632 | 3260 | case ACR2: |
252b5132 RH |
3261 | case DTT0: |
3262 | tmpreg = 0x006; | |
3263 | break; | |
3e602632 | 3264 | case ACR3: |
252b5132 RH |
3265 | case DTT1: |
3266 | tmpreg = 0x007; | |
3267 | break; | |
3268 | case BUSCR: | |
a8e24a56 | 3269 | case MMUBAR: |
252b5132 RH |
3270 | tmpreg = 0x008; |
3271 | break; | |
0d999f33 MK |
3272 | case RGPIOBAR: |
3273 | tmpreg = 0x009; | |
3274 | break; | |
3275 | case ACR4: | |
3276 | case ACR5: | |
3277 | case ACR6: | |
3278 | case ACR7: | |
3279 | tmpreg = 0x00c + (opP->reg - ACR4); | |
3280 | break; | |
252b5132 RH |
3281 | |
3282 | case USP: | |
3283 | tmpreg = 0x800; | |
3284 | break; | |
3285 | case VBR: | |
3286 | tmpreg = 0x801; | |
3287 | break; | |
3288 | case CAAR: | |
87298967 | 3289 | case CPUCR: |
252b5132 RH |
3290 | tmpreg = 0x802; |
3291 | break; | |
3292 | case MSP: | |
3293 | tmpreg = 0x803; | |
3294 | break; | |
3295 | case ISP: | |
3296 | tmpreg = 0x804; | |
3297 | break; | |
3298 | case MMUSR: | |
3299 | tmpreg = 0x805; | |
3300 | break; | |
3301 | case URP: | |
3302 | tmpreg = 0x806; | |
3303 | break; | |
3304 | case SRP: | |
3305 | tmpreg = 0x807; | |
3306 | break; | |
3307 | case PCR: | |
3308 | tmpreg = 0x808; | |
3309 | break; | |
3310 | case ROMBAR: | |
a8e24a56 | 3311 | case ROMBAR0: |
252b5132 RH |
3312 | tmpreg = 0xC00; |
3313 | break; | |
3e602632 NC |
3314 | case ROMBAR1: |
3315 | tmpreg = 0xC01; | |
3316 | break; | |
3317 | case FLASHBAR: | |
252b5132 | 3318 | case RAMBAR0: |
78336706 | 3319 | case RAMBAR_ALT: |
252b5132 RH |
3320 | tmpreg = 0xC04; |
3321 | break; | |
3e602632 | 3322 | case RAMBAR: |
252b5132 RH |
3323 | case RAMBAR1: |
3324 | tmpreg = 0xC05; | |
3325 | break; | |
3e602632 NC |
3326 | case MPCR: |
3327 | tmpreg = 0xC0C; | |
3328 | break; | |
3329 | case EDRAMBAR: | |
3330 | tmpreg = 0xC0D; | |
3331 | break; | |
3332 | case MBAR0: | |
e80e0390 | 3333 | case MBAR2: |
3e602632 NC |
3334 | case SECMBAR: |
3335 | tmpreg = 0xC0E; | |
3336 | break; | |
3337 | case MBAR1: | |
252b5132 RH |
3338 | case MBAR: |
3339 | tmpreg = 0xC0F; | |
3340 | break; | |
3e602632 NC |
3341 | case PCR1U0: |
3342 | tmpreg = 0xD02; | |
3343 | break; | |
3344 | case PCR1L0: | |
3345 | tmpreg = 0xD03; | |
3346 | break; | |
3347 | case PCR2U0: | |
3348 | tmpreg = 0xD04; | |
3349 | break; | |
3350 | case PCR2L0: | |
3351 | tmpreg = 0xD05; | |
3352 | break; | |
3353 | case PCR3U0: | |
3354 | tmpreg = 0xD06; | |
3355 | break; | |
3356 | case PCR3L0: | |
3357 | tmpreg = 0xD07; | |
3358 | break; | |
3359 | case PCR1L1: | |
3360 | tmpreg = 0xD0A; | |
3361 | break; | |
3362 | case PCR1U1: | |
3363 | tmpreg = 0xD0B; | |
3364 | break; | |
3365 | case PCR2L1: | |
3366 | tmpreg = 0xD0C; | |
3367 | break; | |
3368 | case PCR2U1: | |
3369 | tmpreg = 0xD0D; | |
3370 | break; | |
3371 | case PCR3L1: | |
3372 | tmpreg = 0xD0E; | |
3373 | break; | |
3374 | case PCR3U1: | |
3375 | tmpreg = 0xD0F; | |
3376 | break; | |
f7ec513b KH |
3377 | case CAC: |
3378 | tmpreg = 0xFFE; | |
3379 | break; | |
d0fa1372 | 3380 | case MBO: |
f7ec513b KH |
3381 | tmpreg = 0xFFF; |
3382 | break; | |
252b5132 RH |
3383 | default: |
3384 | abort (); | |
3385 | } | |
3386 | install_operand (s[1], tmpreg); | |
3387 | break; | |
3388 | ||
3389 | case 'k': | |
3390 | tmpreg = get_num (&opP->disp, 55); | |
3391 | install_operand (s[1], tmpreg & 0x7f); | |
3392 | break; | |
3393 | ||
3394 | case 'l': | |
3395 | tmpreg = opP->mask; | |
3396 | if (s[1] == 'w') | |
3397 | { | |
3398 | if (tmpreg & 0x7FF0000) | |
3399 | as_bad (_("Floating point register in register list")); | |
3400 | insop (reverse_16_bits (tmpreg), opcode); | |
3401 | } | |
3402 | else | |
3403 | { | |
3404 | if (tmpreg & 0x700FFFF) | |
3405 | as_bad (_("Wrong register in floating-point reglist")); | |
3406 | install_operand (s[1], reverse_8_bits (tmpreg >> 16)); | |
3407 | } | |
3408 | break; | |
3409 | ||
3410 | case 'L': | |
3411 | tmpreg = opP->mask; | |
3412 | if (s[1] == 'w') | |
3413 | { | |
3414 | if (tmpreg & 0x7FF0000) | |
3415 | as_bad (_("Floating point register in register list")); | |
3416 | insop (tmpreg, opcode); | |
3417 | } | |
3418 | else if (s[1] == '8') | |
3419 | { | |
3420 | if (tmpreg & 0x0FFFFFF) | |
3421 | as_bad (_("incorrect register in reglist")); | |
3422 | install_operand (s[1], tmpreg >> 24); | |
3423 | } | |
3424 | else | |
3425 | { | |
3426 | if (tmpreg & 0x700FFFF) | |
3427 | as_bad (_("wrong register in floating-point reglist")); | |
3428 | else | |
3429 | install_operand (s[1], tmpreg >> 16); | |
3430 | } | |
3431 | break; | |
3432 | ||
3433 | case 'M': | |
3434 | install_operand (s[1], get_num (&opP->disp, 60)); | |
3435 | break; | |
3436 | ||
3437 | case 'O': | |
3438 | tmpreg = ((opP->mode == DREG) | |
8fce3f5e | 3439 | ? 0x20 + (int) (opP->reg - DATA) |
252b5132 RH |
3440 | : (get_num (&opP->disp, 40) & 0x1F)); |
3441 | install_operand (s[1], tmpreg); | |
3442 | break; | |
3443 | ||
3444 | case 'Q': | |
3445 | tmpreg = get_num (&opP->disp, 10); | |
3446 | if (tmpreg == 8) | |
3447 | tmpreg = 0; | |
3448 | install_operand (s[1], tmpreg); | |
3449 | break; | |
3450 | ||
3451 | case 'R': | |
3452 | /* This depends on the fact that ADDR registers are eight | |
3453 | more than their corresponding DATA regs, so the result | |
36759679 | 3454 | will have the ADDR_REG bit set. */ |
252b5132 RH |
3455 | install_operand (s[1], opP->reg - DATA); |
3456 | break; | |
3457 | ||
3458 | case 'r': | |
3459 | if (opP->mode == AINDR) | |
3460 | install_operand (s[1], opP->reg - DATA); | |
3461 | else | |
3462 | install_operand (s[1], opP->index.reg - DATA); | |
3463 | break; | |
3464 | ||
3465 | case 's': | |
3466 | if (opP->reg == FPI) | |
3467 | tmpreg = 0x1; | |
3468 | else if (opP->reg == FPS) | |
3469 | tmpreg = 0x2; | |
3470 | else if (opP->reg == FPC) | |
3471 | tmpreg = 0x4; | |
3472 | else | |
3473 | abort (); | |
3474 | install_operand (s[1], tmpreg); | |
3475 | break; | |
3476 | ||
36759679 | 3477 | case 'S': /* Ignore it. */ |
252b5132 RH |
3478 | break; |
3479 | ||
3480 | case 'T': | |
3481 | install_operand (s[1], get_num (&opP->disp, 30)); | |
3482 | break; | |
3483 | ||
36759679 | 3484 | case 'U': /* Ignore it. */ |
252b5132 RH |
3485 | break; |
3486 | ||
3487 | case 'c': | |
3488 | switch (opP->reg) | |
3489 | { | |
3490 | case NC: | |
3491 | tmpreg = 0; | |
3492 | break; | |
3493 | case DC: | |
3494 | tmpreg = 1; | |
3495 | break; | |
3496 | case IC: | |
3497 | tmpreg = 2; | |
3498 | break; | |
3499 | case BC: | |
3500 | tmpreg = 3; | |
3501 | break; | |
3502 | default: | |
3503 | as_fatal (_("failed sanity check")); | |
36759679 | 3504 | } /* switch on cache token. */ |
252b5132 RH |
3505 | install_operand (s[1], tmpreg); |
3506 | break; | |
3507 | #ifndef NO_68851 | |
92774660 | 3508 | /* JF: These are out of order, I fear. */ |
252b5132 RH |
3509 | case 'f': |
3510 | switch (opP->reg) | |
3511 | { | |
3512 | case SFC: | |
3513 | tmpreg = 0; | |
3514 | break; | |
3515 | case DFC: | |
3516 | tmpreg = 1; | |
3517 | break; | |
3518 | default: | |
3519 | abort (); | |
3520 | } | |
3521 | install_operand (s[1], tmpreg); | |
3522 | break; | |
3523 | ||
3524 | case '0': | |
3525 | case '1': | |
3526 | case '2': | |
3527 | switch (opP->reg) | |
3528 | { | |
3529 | case TC: | |
3530 | tmpreg = 0; | |
3531 | break; | |
3532 | case CAL: | |
3533 | tmpreg = 4; | |
3534 | break; | |
3535 | case VAL: | |
3536 | tmpreg = 5; | |
3537 | break; | |
3538 | case SCC: | |
3539 | tmpreg = 6; | |
3540 | break; | |
3541 | case AC: | |
3542 | tmpreg = 7; | |
3543 | break; | |
3544 | default: | |
3545 | abort (); | |
3546 | } | |
3547 | install_operand (s[1], tmpreg); | |
3548 | break; | |
3549 | ||
3550 | case 'V': | |
3551 | if (opP->reg == VAL) | |
3552 | break; | |
3553 | abort (); | |
3554 | ||
3555 | case 'W': | |
3556 | switch (opP->reg) | |
3557 | { | |
3558 | case DRP: | |
3559 | tmpreg = 1; | |
3560 | break; | |
3561 | case SRP: | |
3562 | tmpreg = 2; | |
3563 | break; | |
3564 | case CRP: | |
3565 | tmpreg = 3; | |
3566 | break; | |
3567 | default: | |
3568 | abort (); | |
3569 | } | |
3570 | install_operand (s[1], tmpreg); | |
3571 | break; | |
3572 | ||
3573 | case 'X': | |
3574 | switch (opP->reg) | |
3575 | { | |
3576 | case BAD: | |
3577 | case BAD + 1: | |
3578 | case BAD + 2: | |
3579 | case BAD + 3: | |
3580 | case BAD + 4: | |
3581 | case BAD + 5: | |
3582 | case BAD + 6: | |
3583 | case BAD + 7: | |
3584 | tmpreg = (4 << 10) | ((opP->reg - BAD) << 2); | |
3585 | break; | |
3586 | ||
3587 | case BAC: | |
3588 | case BAC + 1: | |
3589 | case BAC + 2: | |
3590 | case BAC + 3: | |
3591 | case BAC + 4: | |
3592 | case BAC + 5: | |
3593 | case BAC + 6: | |
3594 | case BAC + 7: | |
3595 | tmpreg = (5 << 10) | ((opP->reg - BAC) << 2); | |
3596 | break; | |
3597 | ||
3598 | default: | |
3599 | abort (); | |
3600 | } | |
3601 | install_operand (s[1], tmpreg); | |
3602 | break; | |
3603 | case 'Y': | |
3604 | know (opP->reg == PSR); | |
3605 | break; | |
3606 | case 'Z': | |
3607 | know (opP->reg == PCSR); | |
3608 | break; | |
3609 | #endif /* m68851 */ | |
3610 | case '3': | |
3611 | switch (opP->reg) | |
3612 | { | |
3613 | case TT0: | |
3614 | tmpreg = 2; | |
3615 | break; | |
3616 | case TT1: | |
3617 | tmpreg = 3; | |
3618 | break; | |
3619 | default: | |
3620 | abort (); | |
3621 | } | |
3622 | install_operand (s[1], tmpreg); | |
3623 | break; | |
3624 | case 't': | |
3625 | tmpreg = get_num (&opP->disp, 20); | |
3626 | install_operand (s[1], tmpreg); | |
3627 | break; | |
36759679 | 3628 | case '_': /* used only for move16 absolute 32-bit address. */ |
252b5132 RH |
3629 | if (isvar (&opP->disp)) |
3630 | add_fix ('l', &opP->disp, 0, 0); | |
3e602632 | 3631 | tmpreg = get_num (&opP->disp, 90); |
252b5132 RH |
3632 | addword (tmpreg >> 16); |
3633 | addword (tmpreg & 0xFFFF); | |
3634 | break; | |
6da466c7 ILT |
3635 | case 'u': |
3636 | install_operand (s[1], opP->reg - DATA0L); | |
3637 | opP->reg -= (DATA0L); | |
36759679 | 3638 | opP->reg &= 0x0F; /* remove upper/lower bit. */ |
6da466c7 | 3639 | break; |
3e602632 NC |
3640 | case 'x': |
3641 | tmpreg = get_num (&opP->disp, 80); | |
3642 | if (tmpreg == -1) | |
3643 | tmpreg = 0; | |
3644 | install_operand (s[1], tmpreg); | |
3645 | break; | |
afa2158f NS |
3646 | case 'j': |
3647 | tmpreg = get_num (&opP->disp, 10); | |
3648 | install_operand (s[1], tmpreg - 1); | |
3649 | break; | |
3650 | case 'K': | |
3651 | tmpreg = get_num (&opP->disp, 65); | |
3652 | install_operand (s[1], tmpreg); | |
3653 | break; | |
252b5132 RH |
3654 | default: |
3655 | abort (); | |
3656 | } | |
3657 | } | |
3658 | ||
33eaf5de | 3659 | /* By the time when get here (FINALLY) the_ins contains the complete |
92774660 | 3660 | instruction, ready to be emitted. . . */ |
252b5132 RH |
3661 | } |
3662 | ||
3663 | static int | |
31302357 | 3664 | reverse_16_bits (int in) |
252b5132 RH |
3665 | { |
3666 | int out = 0; | |
3667 | int n; | |
3668 | ||
3669 | static int mask[16] = | |
3670 | { | |
3671 | 0x0001, 0x0002, 0x0004, 0x0008, 0x0010, 0x0020, 0x0040, 0x0080, | |
3672 | 0x0100, 0x0200, 0x0400, 0x0800, 0x1000, 0x2000, 0x4000, 0x8000 | |
3673 | }; | |
3674 | for (n = 0; n < 16; n++) | |
3675 | { | |
3676 | if (in & mask[n]) | |
3677 | out |= mask[15 - n]; | |
3678 | } | |
3679 | return out; | |
3680 | } /* reverse_16_bits() */ | |
3681 | ||
3682 | static int | |
31302357 | 3683 | reverse_8_bits (int in) |
252b5132 RH |
3684 | { |
3685 | int out = 0; | |
3686 | int n; | |
3687 | ||
3688 | static int mask[8] = | |
3689 | { | |
3690 | 0x0001, 0x0002, 0x0004, 0x0008, 0x0010, 0x0020, 0x0040, 0x0080, | |
3691 | }; | |
3692 | ||
3693 | for (n = 0; n < 8; n++) | |
3694 | { | |
3695 | if (in & mask[n]) | |
3696 | out |= mask[7 - n]; | |
3697 | } | |
3698 | return out; | |
3699 | } /* reverse_8_bits() */ | |
3700 | ||
cac27205 NC |
3701 | /* Cause an extra frag to be generated here, inserting up to |
3702 | FRAG_VAR_SIZE bytes. TYPE is the subtype of the frag to be | |
3703 | generated; its primary type is rs_machine_dependent. | |
252b5132 RH |
3704 | |
3705 | The TYPE parameter is also used by md_convert_frag_1 and | |
3706 | md_estimate_size_before_relax. The appropriate type of fixup will | |
3707 | be emitted by md_convert_frag_1. | |
3708 | ||
3709 | ADD becomes the FR_SYMBOL field of the frag, and OFF the FR_OFFSET. */ | |
3710 | static void | |
31302357 | 3711 | install_operand (int mode, int val) |
252b5132 RH |
3712 | { |
3713 | switch (mode) | |
3714 | { | |
3715 | case 's': | |
36759679 | 3716 | the_ins.opcode[0] |= val & 0xFF; /* JF FF is for M kludge. */ |
252b5132 RH |
3717 | break; |
3718 | case 'd': | |
3719 | the_ins.opcode[0] |= val << 9; | |
3720 | break; | |
afa2158f NS |
3721 | case 'E': |
3722 | the_ins.opcode[1] |= val << 9; | |
3723 | break; | |
252b5132 RH |
3724 | case '1': |
3725 | the_ins.opcode[1] |= val << 12; | |
3726 | break; | |
3727 | case '2': | |
3728 | the_ins.opcode[1] |= val << 6; | |
3729 | break; | |
3730 | case '3': | |
3731 | the_ins.opcode[1] |= val; | |
3732 | break; | |
3733 | case '4': | |
3734 | the_ins.opcode[2] |= val << 12; | |
3735 | break; | |
3736 | case '5': | |
3737 | the_ins.opcode[2] |= val << 6; | |
3738 | break; | |
3739 | case '6': | |
3740 | /* DANGER! This is a hack to force cas2l and cas2w cmds to be | |
3741 | three words long! */ | |
3742 | the_ins.numo++; | |
3743 | the_ins.opcode[2] |= val; | |
3744 | break; | |
3745 | case '7': | |
3746 | the_ins.opcode[1] |= val << 7; | |
3747 | break; | |
3748 | case '8': | |
3749 | the_ins.opcode[1] |= val << 10; | |
3750 | break; | |
3751 | #ifndef NO_68851 | |
3752 | case '9': | |
3753 | the_ins.opcode[1] |= val << 5; | |
3754 | break; | |
3755 | #endif | |
3756 | ||
3757 | case 't': | |
3758 | the_ins.opcode[1] |= (val << 10) | (val << 7); | |
3759 | break; | |
3760 | case 'D': | |
3761 | the_ins.opcode[1] |= (val << 12) | val; | |
3762 | break; | |
3763 | case 'g': | |
3764 | the_ins.opcode[0] |= val = 0xff; | |
3765 | break; | |
3766 | case 'i': | |
3767 | the_ins.opcode[0] |= val << 9; | |
3768 | break; | |
3769 | case 'C': | |
3770 | the_ins.opcode[1] |= val; | |
3771 | break; | |
3772 | case 'j': | |
3773 | the_ins.opcode[1] |= val; | |
36759679 | 3774 | the_ins.numo++; /* What a hack. */ |
252b5132 RH |
3775 | break; |
3776 | case 'k': | |
3777 | the_ins.opcode[1] |= val << 4; | |
3778 | break; | |
3779 | case 'b': | |
3780 | case 'w': | |
3781 | case 'W': | |
3782 | case 'l': | |
3783 | break; | |
3784 | case 'e': | |
3785 | the_ins.opcode[0] |= (val << 6); | |
3786 | break; | |
3787 | case 'L': | |
3788 | the_ins.opcode[1] = (val >> 16); | |
3789 | the_ins.opcode[2] = val & 0xffff; | |
3790 | break; | |
6da466c7 ILT |
3791 | case 'm': |
3792 | the_ins.opcode[0] |= ((val & 0x8) << (6 - 3)); | |
3793 | the_ins.opcode[0] |= ((val & 0x7) << 9); | |
3794 | the_ins.opcode[1] |= ((val & 0x10) << (7 - 4)); | |
3795 | break; | |
fd99574b | 3796 | case 'n': /* MAC/EMAC Rx on !load. */ |
6da466c7 ILT |
3797 | the_ins.opcode[0] |= ((val & 0x8) << (6 - 3)); |
3798 | the_ins.opcode[0] |= ((val & 0x7) << 9); | |
fd99574b | 3799 | the_ins.opcode[1] |= ((val & 0x10) << (7 - 4)); |
6da466c7 | 3800 | break; |
fd99574b | 3801 | case 'o': /* MAC/EMAC Rx on load. */ |
6da466c7 ILT |
3802 | the_ins.opcode[1] |= val << 12; |
3803 | the_ins.opcode[1] |= ((val & 0x10) << (7 - 4)); | |
3804 | break; | |
fd99574b | 3805 | case 'M': /* MAC/EMAC Ry on !load. */ |
6da466c7 ILT |
3806 | the_ins.opcode[0] |= (val & 0xF); |
3807 | the_ins.opcode[1] |= ((val & 0x10) << (6 - 4)); | |
3808 | break; | |
fd99574b | 3809 | case 'N': /* MAC/EMAC Ry on load. */ |
6da466c7 ILT |
3810 | the_ins.opcode[1] |= (val & 0xF); |
3811 | the_ins.opcode[1] |= ((val & 0x10) << (6 - 4)); | |
3812 | break; | |
3813 | case 'h': | |
3814 | the_ins.opcode[1] |= ((val != 1) << 10); | |
3815 | break; | |
fd99574b NC |
3816 | case 'F': |
3817 | the_ins.opcode[0] |= ((val & 0x3) << 9); | |
3818 | break; | |
3819 | case 'f': | |
3820 | the_ins.opcode[0] |= ((val & 0x3) << 0); | |
3821 | break; | |
be8c092b | 3822 | case 'G': /* EMAC accumulator in a EMAC load instruction. */ |
fd99574b NC |
3823 | the_ins.opcode[0] |= ((~val & 0x1) << 7); |
3824 | the_ins.opcode[1] |= ((val & 0x2) << (4 - 1)); | |
3825 | break; | |
be8c092b | 3826 | case 'H': /* EMAC accumulator in a EMAC non-load instruction. */ |
fd99574b NC |
3827 | the_ins.opcode[0] |= ((val & 0x1) << 7); |
3828 | the_ins.opcode[1] |= ((val & 0x2) << (4 - 1)); | |
3829 | break; | |
3830 | case 'I': | |
3831 | the_ins.opcode[1] |= ((val & 0x3) << 9); | |
3832 | break; | |
3833 | case ']': | |
3834 | the_ins.opcode[0] |= (val & 0x1) <<10; | |
3835 | break; | |
252b5132 RH |
3836 | case 'c': |
3837 | default: | |
3838 | as_fatal (_("failed sanity check.")); | |
3839 | } | |
6b6e92f4 | 3840 | } |
252b5132 RH |
3841 | |
3842 | static void | |
31302357 | 3843 | install_gen_operand (int mode, int val) |
252b5132 RH |
3844 | { |
3845 | switch (mode) | |
3846 | { | |
fd99574b | 3847 | case '/': /* Special for mask loads for mac/msac insns with |
33eaf5de | 3848 | possible mask; trailing_ampersand set in bit 8. */ |
fd99574b NC |
3849 | the_ins.opcode[0] |= (val & 0x3f); |
3850 | the_ins.opcode[1] |= (((val & 0x100) >> 8) << 5); | |
3851 | break; | |
252b5132 RH |
3852 | case 's': |
3853 | the_ins.opcode[0] |= val; | |
3854 | break; | |
3855 | case 'd': | |
3856 | /* This is a kludge!!! */ | |
3857 | the_ins.opcode[0] |= (val & 0x07) << 9 | (val & 0x38) << 3; | |
3858 | break; | |
3859 | case 'b': | |
3860 | case 'w': | |
3861 | case 'l': | |
3862 | case 'f': | |
3863 | case 'F': | |
3864 | case 'x': | |
3865 | case 'p': | |
3866 | the_ins.opcode[0] |= val; | |
3867 | break; | |
36759679 | 3868 | /* more stuff goes here. */ |
252b5132 RH |
3869 | default: |
3870 | as_fatal (_("failed sanity check.")); | |
3871 | } | |
6b6e92f4 | 3872 | } |
252b5132 | 3873 | |
6b6e92f4 NC |
3874 | /* Verify that we have some number of paren pairs, do m68k_ip_op(), and |
3875 | then deal with the bitfield hack. */ | |
252b5132 RH |
3876 | |
3877 | static char * | |
31302357 | 3878 | crack_operand (char *str, struct m68k_op *opP) |
252b5132 | 3879 | { |
ed9e98c2 AM |
3880 | int parens; |
3881 | int c; | |
3882 | char *beg_str; | |
252b5132 RH |
3883 | int inquote = 0; |
3884 | ||
3885 | if (!str) | |
3886 | { | |
3887 | return str; | |
3888 | } | |
3889 | beg_str = str; | |
3890 | for (parens = 0; *str && (parens > 0 || inquote || notend (str)); str++) | |
3891 | { | |
3892 | if (! inquote) | |
3893 | { | |
3894 | if (*str == '(') | |
3895 | parens++; | |
3896 | else if (*str == ')') | |
3897 | { | |
3898 | if (!parens) | |
36759679 | 3899 | { /* ERROR. */ |
252b5132 RH |
3900 | opP->error = _("Extra )"); |
3901 | return str; | |
3902 | } | |
3903 | --parens; | |
3904 | } | |
3905 | } | |
3906 | if (flag_mri && *str == '\'') | |
3907 | inquote = ! inquote; | |
3908 | } | |
3909 | if (!*str && parens) | |
36759679 | 3910 | { /* ERROR. */ |
252b5132 RH |
3911 | opP->error = _("Missing )"); |
3912 | return str; | |
3913 | } | |
3914 | c = *str; | |
3915 | *str = '\0'; | |
3916 | if (m68k_ip_op (beg_str, opP) != 0) | |
3917 | { | |
3918 | *str = c; | |
3919 | return str; | |
3920 | } | |
3921 | *str = c; | |
3922 | if (c == '}') | |
36759679 | 3923 | c = *++str; /* JF bitfield hack. */ |
252b5132 RH |
3924 | if (c) |
3925 | { | |
3926 | c = *++str; | |
3927 | if (!c) | |
3928 | as_bad (_("Missing operand")); | |
3929 | } | |
3930 | ||
3931 | /* Detect MRI REG symbols and convert them to REGLSTs. */ | |
3932 | if (opP->mode == CONTROL && (int)opP->reg < 0) | |
3933 | { | |
3934 | opP->mode = REGLST; | |
3935 | opP->mask = ~(int)opP->reg; | |
3936 | opP->reg = 0; | |
3937 | } | |
3938 | ||
3939 | return str; | |
3940 | } | |
3941 | ||
3942 | /* This is the guts of the machine-dependent assembler. STR points to a | |
3943 | machine dependent instruction. This function is supposed to emit | |
3944 | the frags/bytes it assembles to. | |
3945 | */ | |
3946 | ||
3947 | static void | |
31302357 | 3948 | insert_reg (const char *regname, int regnum) |
252b5132 RH |
3949 | { |
3950 | char buf[100]; | |
3951 | int i; | |
3952 | ||
3953 | #ifdef REGISTER_PREFIX | |
3954 | if (!flag_reg_prefix_optional) | |
3955 | { | |
3956 | buf[0] = REGISTER_PREFIX; | |
3957 | strcpy (buf + 1, regname); | |
3958 | regname = buf; | |
3959 | } | |
3960 | #endif | |
3961 | ||
3962 | symbol_table_insert (symbol_new (regname, reg_section, regnum, | |
3963 | &zero_address_frag)); | |
3964 | ||
3965 | for (i = 0; regname[i]; i++) | |
3882b010 | 3966 | buf[i] = TOUPPER (regname[i]); |
252b5132 RH |
3967 | buf[i] = '\0'; |
3968 | ||
3969 | symbol_table_insert (symbol_new (buf, reg_section, regnum, | |
3970 | &zero_address_frag)); | |
3971 | } | |
3972 | ||
3973 | struct init_entry | |
3974 | { | |
3975 | const char *name; | |
3976 | int number; | |
3977 | }; | |
3978 | ||
3979 | static const struct init_entry init_table[] = | |
3980 | { | |
3981 | { "d0", DATA0 }, | |
3982 | { "d1", DATA1 }, | |
3983 | { "d2", DATA2 }, | |
3984 | { "d3", DATA3 }, | |
3985 | { "d4", DATA4 }, | |
3986 | { "d5", DATA5 }, | |
3987 | { "d6", DATA6 }, | |
3988 | { "d7", DATA7 }, | |
3989 | { "a0", ADDR0 }, | |
3990 | { "a1", ADDR1 }, | |
3991 | { "a2", ADDR2 }, | |
3992 | { "a3", ADDR3 }, | |
3993 | { "a4", ADDR4 }, | |
3994 | { "a5", ADDR5 }, | |
3995 | { "a6", ADDR6 }, | |
3996 | { "fp", ADDR6 }, | |
3997 | { "a7", ADDR7 }, | |
3998 | { "sp", ADDR7 }, | |
3999 | { "ssp", ADDR7 }, | |
4000 | { "fp0", FP0 }, | |
4001 | { "fp1", FP1 }, | |
4002 | { "fp2", FP2 }, | |
4003 | { "fp3", FP3 }, | |
4004 | { "fp4", FP4 }, | |
4005 | { "fp5", FP5 }, | |
4006 | { "fp6", FP6 }, | |
4007 | { "fp7", FP7 }, | |
4008 | { "fpi", FPI }, | |
4009 | { "fpiar", FPI }, | |
4010 | { "fpc", FPI }, | |
4011 | { "fps", FPS }, | |
4012 | { "fpsr", FPS }, | |
4013 | { "fpc", FPC }, | |
4014 | { "fpcr", FPC }, | |
4015 | { "control", FPC }, | |
4016 | { "status", FPS }, | |
4017 | { "iaddr", FPI }, | |
4018 | ||
4019 | { "cop0", COP0 }, | |
4020 | { "cop1", COP1 }, | |
4021 | { "cop2", COP2 }, | |
4022 | { "cop3", COP3 }, | |
4023 | { "cop4", COP4 }, | |
4024 | { "cop5", COP5 }, | |
4025 | { "cop6", COP6 }, | |
4026 | { "cop7", COP7 }, | |
4027 | { "pc", PC }, | |
4028 | { "zpc", ZPC }, | |
4029 | { "sr", SR }, | |
4030 | ||
4031 | { "ccr", CCR }, | |
4032 | { "cc", CCR }, | |
4033 | ||
6da466c7 | 4034 | { "acc", ACC }, |
fd99574b NC |
4035 | { "acc0", ACC }, |
4036 | { "acc1", ACC1 }, | |
4037 | { "acc2", ACC2 }, | |
4038 | { "acc3", ACC3 }, | |
4039 | { "accext01", ACCEXT01 }, | |
4040 | { "accext23", ACCEXT23 }, | |
6da466c7 ILT |
4041 | { "macsr", MACSR }, |
4042 | { "mask", MASK }, | |
4043 | ||
36759679 NC |
4044 | /* Control registers. */ |
4045 | { "sfc", SFC }, /* Source Function Code. */ | |
252b5132 | 4046 | { "sfcr", SFC }, |
36759679 | 4047 | { "dfc", DFC }, /* Destination Function Code. */ |
252b5132 | 4048 | { "dfcr", DFC }, |
36759679 NC |
4049 | { "cacr", CACR }, /* Cache Control Register. */ |
4050 | { "caar", CAAR }, /* Cache Address Register. */ | |
87298967 | 4051 | { "cpucr", CPUCR }, /* CPU Control Register. */ |
252b5132 | 4052 | |
36759679 NC |
4053 | { "usp", USP }, /* User Stack Pointer. */ |
4054 | { "vbr", VBR }, /* Vector Base Register. */ | |
4055 | { "msp", MSP }, /* Master Stack Pointer. */ | |
4056 | { "isp", ISP }, /* Interrupt Stack Pointer. */ | |
252b5132 | 4057 | |
36759679 NC |
4058 | { "itt0", ITT0 }, /* Instruction Transparent Translation Reg 0. */ |
4059 | { "itt1", ITT1 }, /* Instruction Transparent Translation Reg 1. */ | |
4060 | { "dtt0", DTT0 }, /* Data Transparent Translation Register 0. */ | |
4061 | { "dtt1", DTT1 }, /* Data Transparent Translation Register 1. */ | |
252b5132 RH |
4062 | |
4063 | /* 68ec040 versions of same */ | |
36759679 NC |
4064 | { "iacr0", ITT0 }, /* Instruction Access Control Register 0. */ |
4065 | { "iacr1", ITT1 }, /* Instruction Access Control Register 0. */ | |
4066 | { "dacr0", DTT0 }, /* Data Access Control Register 0. */ | |
4067 | { "dacr1", DTT1 }, /* Data Access Control Register 0. */ | |
252b5132 | 4068 | |
a8e24a56 | 4069 | /* Coldfire versions of same. The ColdFire programmer's reference |
252b5132 RH |
4070 | manual indicated that the order is 2,3,0,1, but Ken Rose |
4071 | <rose@netcom.com> says that 0,1,2,3 is the correct order. */ | |
3e602632 NC |
4072 | { "acr0", ACR0 }, /* Access Control Unit 0. */ |
4073 | { "acr1", ACR1 }, /* Access Control Unit 1. */ | |
4074 | { "acr2", ACR2 }, /* Access Control Unit 2. */ | |
4075 | { "acr3", ACR3 }, /* Access Control Unit 3. */ | |
0d999f33 MK |
4076 | { "acr4", ACR4 }, /* Access Control Unit 4. */ |
4077 | { "acr5", ACR5 }, /* Access Control Unit 5. */ | |
4078 | { "acr6", ACR6 }, /* Access Control Unit 6. */ | |
4079 | { "acr7", ACR7 }, /* Access Control Unit 7. */ | |
252b5132 | 4080 | |
36759679 | 4081 | { "tc", TC }, /* MMU Translation Control Register. */ |
252b5132 | 4082 | { "tcr", TC }, |
a8e24a56 | 4083 | { "asid", ASID }, |
252b5132 | 4084 | |
36759679 NC |
4085 | { "mmusr", MMUSR }, /* MMU Status Register. */ |
4086 | { "srp", SRP }, /* User Root Pointer. */ | |
4087 | { "urp", URP }, /* Supervisor Root Pointer. */ | |
252b5132 RH |
4088 | |
4089 | { "buscr", BUSCR }, | |
a8e24a56 | 4090 | { "mmubar", MMUBAR }, |
252b5132 RH |
4091 | { "pcr", PCR }, |
4092 | ||
36759679 NC |
4093 | { "rombar", ROMBAR }, /* ROM Base Address Register. */ |
4094 | { "rambar0", RAMBAR0 }, /* ROM Base Address Register. */ | |
4095 | { "rambar1", RAMBAR1 }, /* ROM Base Address Register. */ | |
4096 | { "mbar", MBAR }, /* Module Base Address Register. */ | |
3e602632 NC |
4097 | |
4098 | { "mbar0", MBAR0 }, /* mcfv4e registers. */ | |
4099 | { "mbar1", MBAR1 }, /* mcfv4e registers. */ | |
a8e24a56 | 4100 | { "rombar0", ROMBAR0 }, /* mcfv4e registers. */ |
3e602632 NC |
4101 | { "rombar1", ROMBAR1 }, /* mcfv4e registers. */ |
4102 | { "mpcr", MPCR }, /* mcfv4e registers. */ | |
4103 | { "edrambar", EDRAMBAR }, /* mcfv4e registers. */ | |
4104 | { "secmbar", SECMBAR }, /* mcfv4e registers. */ | |
4105 | { "asid", TC }, /* mcfv4e registers. */ | |
4106 | { "mmubar", BUSCR }, /* mcfv4e registers. */ | |
4107 | { "pcr1u0", PCR1U0 }, /* mcfv4e registers. */ | |
4108 | { "pcr1l0", PCR1L0 }, /* mcfv4e registers. */ | |
4109 | { "pcr2u0", PCR2U0 }, /* mcfv4e registers. */ | |
4110 | { "pcr2l0", PCR2L0 }, /* mcfv4e registers. */ | |
4111 | { "pcr3u0", PCR3U0 }, /* mcfv4e registers. */ | |
4112 | { "pcr3l0", PCR3L0 }, /* mcfv4e registers. */ | |
4113 | { "pcr1u1", PCR1U1 }, /* mcfv4e registers. */ | |
4114 | { "pcr1l1", PCR1L1 }, /* mcfv4e registers. */ | |
4115 | { "pcr2u1", PCR2U1 }, /* mcfv4e registers. */ | |
4116 | { "pcr2l1", PCR2L1 }, /* mcfv4e registers. */ | |
4117 | { "pcr3u1", PCR3U1 }, /* mcfv4e registers. */ | |
4118 | { "pcr3l1", PCR3L1 }, /* mcfv4e registers. */ | |
4119 | ||
4120 | { "flashbar", FLASHBAR }, /* mcf528x registers. */ | |
4121 | { "rambar", RAMBAR }, /* mcf528x registers. */ | |
e80e0390 NC |
4122 | |
4123 | { "mbar2", MBAR2 }, /* mcf5249 registers. */ | |
f7ec513b | 4124 | |
0d999f33 MK |
4125 | { "rgpiobar", RGPIOBAR }, /* mcf54418 registers. */ |
4126 | ||
f7ec513b | 4127 | { "cac", CAC }, /* fido registers. */ |
d0fa1372 KH |
4128 | { "mbb", MBO }, /* fido registers (obsolete). */ |
4129 | { "mbo", MBO }, /* fido registers. */ | |
36759679 | 4130 | /* End of control registers. */ |
252b5132 RH |
4131 | |
4132 | { "ac", AC }, | |
4133 | { "bc", BC }, | |
4134 | { "cal", CAL }, | |
4135 | { "crp", CRP }, | |
4136 | { "drp", DRP }, | |
4137 | { "pcsr", PCSR }, | |
4138 | { "psr", PSR }, | |
4139 | { "scc", SCC }, | |
4140 | { "val", VAL }, | |
4141 | { "bad0", BAD0 }, | |
4142 | { "bad1", BAD1 }, | |
4143 | { "bad2", BAD2 }, | |
4144 | { "bad3", BAD3 }, | |
4145 | { "bad4", BAD4 }, | |
4146 | { "bad5", BAD5 }, | |
4147 | { "bad6", BAD6 }, | |
4148 | { "bad7", BAD7 }, | |
4149 | { "bac0", BAC0 }, | |
4150 | { "bac1", BAC1 }, | |
4151 | { "bac2", BAC2 }, | |
4152 | { "bac3", BAC3 }, | |
4153 | { "bac4", BAC4 }, | |
4154 | { "bac5", BAC5 }, | |
4155 | { "bac6", BAC6 }, | |
4156 | { "bac7", BAC7 }, | |
4157 | ||
4158 | { "ic", IC }, | |
4159 | { "dc", DC }, | |
4160 | { "nc", NC }, | |
4161 | ||
4162 | { "tt0", TT0 }, | |
4163 | { "tt1", TT1 }, | |
36759679 | 4164 | /* 68ec030 versions of same. */ |
252b5132 RH |
4165 | { "ac0", TT0 }, |
4166 | { "ac1", TT1 }, | |
36759679 | 4167 | /* 68ec030 access control unit, identical to 030 MMU status reg. */ |
252b5132 RH |
4168 | { "acusr", PSR }, |
4169 | ||
4170 | /* Suppressed data and address registers. */ | |
4171 | { "zd0", ZDATA0 }, | |
4172 | { "zd1", ZDATA1 }, | |
4173 | { "zd2", ZDATA2 }, | |
4174 | { "zd3", ZDATA3 }, | |
4175 | { "zd4", ZDATA4 }, | |
4176 | { "zd5", ZDATA5 }, | |
4177 | { "zd6", ZDATA6 }, | |
4178 | { "zd7", ZDATA7 }, | |
4179 | { "za0", ZADDR0 }, | |
4180 | { "za1", ZADDR1 }, | |
4181 | { "za2", ZADDR2 }, | |
4182 | { "za3", ZADDR3 }, | |
4183 | { "za4", ZADDR4 }, | |
4184 | { "za5", ZADDR5 }, | |
4185 | { "za6", ZADDR6 }, | |
4186 | { "za7", ZADDR7 }, | |
4187 | ||
92774660 | 4188 | /* Upper and lower data and address registers, used by macw and msacw. */ |
6da466c7 ILT |
4189 | { "d0l", DATA0L }, |
4190 | { "d1l", DATA1L }, | |
4191 | { "d2l", DATA2L }, | |
4192 | { "d3l", DATA3L }, | |
4193 | { "d4l", DATA4L }, | |
4194 | { "d5l", DATA5L }, | |
4195 | { "d6l", DATA6L }, | |
4196 | { "d7l", DATA7L }, | |
4197 | ||
4198 | { "a0l", ADDR0L }, | |
4199 | { "a1l", ADDR1L }, | |
4200 | { "a2l", ADDR2L }, | |
4201 | { "a3l", ADDR3L }, | |
4202 | { "a4l", ADDR4L }, | |
4203 | { "a5l", ADDR5L }, | |
4204 | { "a6l", ADDR6L }, | |
4205 | { "a7l", ADDR7L }, | |
4206 | ||
4207 | { "d0u", DATA0U }, | |
4208 | { "d1u", DATA1U }, | |
4209 | { "d2u", DATA2U }, | |
4210 | { "d3u", DATA3U }, | |
4211 | { "d4u", DATA4U }, | |
4212 | { "d5u", DATA5U }, | |
4213 | { "d6u", DATA6U }, | |
4214 | { "d7u", DATA7U }, | |
4215 | ||
4216 | { "a0u", ADDR0U }, | |
4217 | { "a1u", ADDR1U }, | |
4218 | { "a2u", ADDR2U }, | |
4219 | { "a3u", ADDR3U }, | |
4220 | { "a4u", ADDR4U }, | |
4221 | { "a5u", ADDR5U }, | |
4222 | { "a6u", ADDR6U }, | |
4223 | { "a7u", ADDR7U }, | |
4224 | ||
252b5132 RH |
4225 | { 0, 0 } |
4226 | }; | |
4227 | ||
4228 | static void | |
31302357 | 4229 | init_regtable (void) |
252b5132 RH |
4230 | { |
4231 | int i; | |
4232 | for (i = 0; init_table[i].name; i++) | |
4233 | insert_reg (init_table[i].name, init_table[i].number); | |
4234 | } | |
4235 | ||
252b5132 | 4236 | void |
31302357 | 4237 | md_assemble (char *str) |
252b5132 RH |
4238 | { |
4239 | const char *er; | |
4240 | short *fromP; | |
4241 | char *toP = NULL; | |
4242 | int m, n = 0; | |
4243 | char *to_beg_P; | |
4244 | int shorts_this_frag; | |
4245 | fixS *fixP; | |
4246 | ||
266abb8f NS |
4247 | if (!selected_cpu && !selected_arch) |
4248 | { | |
4249 | /* We've not selected an architecture yet. Set the default | |
4250 | now. We do this lazily so that an initial .cpu or .arch directive | |
4251 | can specify. */ | |
4252 | if (!m68k_set_cpu (TARGET_CPU, 1, 1)) | |
4253 | as_bad (_("unrecognized default cpu `%s'"), TARGET_CPU); | |
4254 | } | |
4255 | if (!initialized) | |
4256 | m68k_init_arch (); | |
3739860c | 4257 | |
252b5132 RH |
4258 | /* In MRI mode, the instruction and operands are separated by a |
4259 | space. Anything following the operands is a comment. The label | |
4260 | has already been removed. */ | |
4261 | if (flag_mri) | |
4262 | { | |
4263 | char *s; | |
4264 | int fields = 0; | |
4265 | int infield = 0; | |
4266 | int inquote = 0; | |
4267 | ||
4268 | for (s = str; *s != '\0'; s++) | |
4269 | { | |
4270 | if ((*s == ' ' || *s == '\t') && ! inquote) | |
4271 | { | |
4272 | if (infield) | |
4273 | { | |
4274 | ++fields; | |
4275 | if (fields >= 2) | |
4276 | { | |
4277 | *s = '\0'; | |
4278 | break; | |
4279 | } | |
4280 | infield = 0; | |
4281 | } | |
4282 | } | |
4283 | else | |
4284 | { | |
4285 | if (! infield) | |
4286 | infield = 1; | |
4287 | if (*s == '\'') | |
4288 | inquote = ! inquote; | |
4289 | } | |
4290 | } | |
4291 | } | |
4292 | ||
31302357 | 4293 | memset (&the_ins, '\0', sizeof (the_ins)); |
252b5132 RH |
4294 | m68k_ip (str); |
4295 | er = the_ins.error; | |
4296 | if (!er) | |
4297 | { | |
4298 | for (n = 0; n < the_ins.numargs; n++) | |
4299 | if (the_ins.operands[n].error) | |
4300 | { | |
4301 | er = the_ins.operands[n].error; | |
4302 | break; | |
4303 | } | |
4304 | } | |
4305 | if (er) | |
4306 | { | |
4307 | as_bad (_("%s -- statement `%s' ignored"), er, str); | |
4308 | return; | |
4309 | } | |
4310 | ||
4311 | /* If there is a current label, record that it marks an instruction. */ | |
4312 | if (current_label != NULL) | |
4313 | { | |
4314 | current_label->text = 1; | |
4315 | current_label = NULL; | |
4316 | } | |
4317 | ||
f27a3839 AS |
4318 | /* Tie dwarf2 debug info to the address at the start of the insn. */ |
4319 | dwarf2_emit_insn (0); | |
f27a3839 | 4320 | |
252b5132 RH |
4321 | if (the_ins.nfrag == 0) |
4322 | { | |
36759679 | 4323 | /* No frag hacking involved; just put it out. */ |
252b5132 RH |
4324 | toP = frag_more (2 * the_ins.numo); |
4325 | fromP = &the_ins.opcode[0]; | |
4326 | for (m = the_ins.numo; m; --m) | |
4327 | { | |
4328 | md_number_to_chars (toP, (long) (*fromP), 2); | |
4329 | toP += 2; | |
4330 | fromP++; | |
4331 | } | |
36759679 | 4332 | /* Put out symbol-dependent info. */ |
252b5132 RH |
4333 | for (m = 0; m < the_ins.nrel; m++) |
4334 | { | |
4335 | switch (the_ins.reloc[m].wid) | |
4336 | { | |
4337 | case 'B': | |
4338 | n = 1; | |
4339 | break; | |
4340 | case 'b': | |
4341 | n = 1; | |
4342 | break; | |
4343 | case '3': | |
4344 | n = 1; | |
4345 | break; | |
4346 | case 'w': | |
4347 | case 'W': | |
4348 | n = 2; | |
4349 | break; | |
4350 | case 'l': | |
4351 | n = 4; | |
4352 | break; | |
4353 | default: | |
33eaf5de | 4354 | as_fatal (_("Don't know how to figure out width of %c in md_assemble()"), |
252b5132 RH |
4355 | the_ins.reloc[m].wid); |
4356 | } | |
4357 | ||
4358 | fixP = fix_new_exp (frag_now, | |
4359 | ((toP - frag_now->fr_literal) | |
4360 | - the_ins.numo * 2 + the_ins.reloc[m].n), | |
4361 | n, | |
4362 | &the_ins.reloc[m].exp, | |
4363 | the_ins.reloc[m].pcrel, | |
4364 | get_reloc_code (n, the_ins.reloc[m].pcrel, | |
4365 | the_ins.reloc[m].pic_reloc)); | |
4366 | fixP->fx_pcrel_adjust = the_ins.reloc[m].pcrel_fix; | |
4367 | if (the_ins.reloc[m].wid == 'B') | |
4368 | fixP->fx_signed = 1; | |
4369 | } | |
4370 | return; | |
4371 | } | |
4372 | ||
36759679 | 4373 | /* There's some frag hacking. */ |
fbe572f9 AM |
4374 | { |
4375 | /* Calculate the max frag size. */ | |
4376 | int wid; | |
4377 | ||
4378 | wid = 2 * the_ins.fragb[0].fragoff; | |
4379 | for (n = 1; n < the_ins.nfrag; n++) | |
4380 | wid += 2 * (the_ins.numo - the_ins.fragb[n - 1].fragoff); | |
4381 | /* frag_var part. */ | |
cac27205 | 4382 | wid += FRAG_VAR_SIZE; |
fbe572f9 AM |
4383 | /* Make sure the whole insn fits in one chunk, in particular that |
4384 | the var part is attached, as we access one byte before the | |
4385 | variable frag for byte branches. */ | |
4386 | frag_grow (wid); | |
4387 | } | |
4388 | ||
252b5132 RH |
4389 | for (n = 0, fromP = &the_ins.opcode[0]; n < the_ins.nfrag; n++) |
4390 | { | |
4391 | int wid; | |
4392 | ||
4393 | if (n == 0) | |
4394 | wid = 2 * the_ins.fragb[n].fragoff; | |
4395 | else | |
4396 | wid = 2 * (the_ins.numo - the_ins.fragb[n - 1].fragoff); | |
4397 | toP = frag_more (wid); | |
4398 | to_beg_P = toP; | |
4399 | shorts_this_frag = 0; | |
4400 | for (m = wid / 2; m; --m) | |
4401 | { | |
4402 | md_number_to_chars (toP, (long) (*fromP), 2); | |
4403 | toP += 2; | |
4404 | fromP++; | |
4405 | shorts_this_frag++; | |
4406 | } | |
4407 | for (m = 0; m < the_ins.nrel; m++) | |
4408 | { | |
4409 | if ((the_ins.reloc[m].n) >= 2 * shorts_this_frag) | |
4410 | { | |
4411 | the_ins.reloc[m].n -= 2 * shorts_this_frag; | |
4412 | break; | |
4413 | } | |
4414 | wid = the_ins.reloc[m].wid; | |
4415 | if (wid == 0) | |
4416 | continue; | |
4417 | the_ins.reloc[m].wid = 0; | |
4418 | wid = (wid == 'b') ? 1 : (wid == 'w') ? 2 : (wid == 'l') ? 4 : 4000; | |
4419 | ||
4420 | fixP = fix_new_exp (frag_now, | |
4421 | ((toP - frag_now->fr_literal) | |
4422 | - the_ins.numo * 2 + the_ins.reloc[m].n), | |
4423 | wid, | |
4424 | &the_ins.reloc[m].exp, | |
4425 | the_ins.reloc[m].pcrel, | |
4426 | get_reloc_code (wid, the_ins.reloc[m].pcrel, | |
4427 | the_ins.reloc[m].pic_reloc)); | |
4428 | fixP->fx_pcrel_adjust = the_ins.reloc[m].pcrel_fix; | |
4429 | } | |
cac27205 | 4430 | (void) frag_var (rs_machine_dependent, FRAG_VAR_SIZE, 0, |
252b5132 RH |
4431 | (relax_substateT) (the_ins.fragb[n].fragty), |
4432 | the_ins.fragb[n].fadd, the_ins.fragb[n].foff, to_beg_P); | |
4433 | } | |
28a0da39 AM |
4434 | gas_assert (the_ins.nfrag >= 1); |
4435 | n = the_ins.numo - the_ins.fragb[the_ins.nfrag - 1].fragoff; | |
252b5132 RH |
4436 | shorts_this_frag = 0; |
4437 | if (n) | |
4438 | { | |
055d1eb0 | 4439 | toP = frag_more (n * 2); |
252b5132 RH |
4440 | while (n--) |
4441 | { | |
4442 | md_number_to_chars (toP, (long) (*fromP), 2); | |
4443 | toP += 2; | |
4444 | fromP++; | |
4445 | shorts_this_frag++; | |
4446 | } | |
4447 | } | |
4448 | for (m = 0; m < the_ins.nrel; m++) | |
4449 | { | |
4450 | int wid; | |
4451 | ||
4452 | wid = the_ins.reloc[m].wid; | |
4453 | if (wid == 0) | |
4454 | continue; | |
4455 | the_ins.reloc[m].wid = 0; | |
4456 | wid = (wid == 'b') ? 1 : (wid == 'w') ? 2 : (wid == 'l') ? 4 : 4000; | |
4457 | ||
4458 | fixP = fix_new_exp (frag_now, | |
4459 | ((the_ins.reloc[m].n + toP - frag_now->fr_literal) | |
4460 | - shorts_this_frag * 2), | |
4461 | wid, | |
4462 | &the_ins.reloc[m].exp, | |
4463 | the_ins.reloc[m].pcrel, | |
4464 | get_reloc_code (wid, the_ins.reloc[m].pcrel, | |
4465 | the_ins.reloc[m].pic_reloc)); | |
4466 | fixP->fx_pcrel_adjust = the_ins.reloc[m].pcrel_fix; | |
4467 | } | |
4468 | } | |
4469 | ||
60fed2d3 NC |
4470 | /* Comparison function used by qsort to rank the opcode entries by name. */ |
4471 | ||
4472 | static int | |
4473 | m68k_compare_opcode (const void * v1, const void * v2) | |
4474 | { | |
4475 | struct m68k_opcode * op1, * op2; | |
4476 | int ret; | |
4477 | ||
03b13e59 NC |
4478 | if (v1 == v2) |
4479 | return 0; | |
4480 | ||
60fed2d3 NC |
4481 | op1 = *(struct m68k_opcode **) v1; |
4482 | op2 = *(struct m68k_opcode **) v2; | |
4483 | ||
4484 | /* Compare the two names. If different, return the comparison. | |
4485 | If the same, return the order they are in the opcode table. */ | |
4486 | ret = strcmp (op1->name, op2->name); | |
4487 | if (ret) | |
4488 | return ret; | |
4489 | if (op1 < op2) | |
4490 | return -1; | |
03b13e59 | 4491 | return 1; |
60fed2d3 NC |
4492 | } |
4493 | ||
252b5132 | 4494 | void |
60fed2d3 | 4495 | md_begin (void) |
252b5132 | 4496 | { |
60fed2d3 NC |
4497 | const struct m68k_opcode *ins; |
4498 | struct m68k_incant *hack, *slak; | |
4499 | const char *retval = 0; /* Empty string, or error msg text. */ | |
4500 | int i; | |
4501 | ||
4502 | /* Set up hash tables with 68000 instructions. | |
4503 | similar to what the vax assembler does. */ | |
252b5132 RH |
4504 | /* RMS claims the thing to do is take the m68k-opcode.h table, and make |
4505 | a copy of it at runtime, adding in the information we want but isn't | |
4506 | there. I think it'd be better to have an awk script hack the table | |
4507 | at compile time. Or even just xstr the table and use it as-is. But | |
4508 | my lord ghod hath spoken, so we do it this way. Excuse the ugly var | |
4509 | names. */ | |
4510 | ||
252b5132 RH |
4511 | if (flag_mri) |
4512 | { | |
4513 | flag_reg_prefix_optional = 1; | |
4514 | m68k_abspcadd = 1; | |
4515 | if (! m68k_rel32_from_cmdline) | |
4516 | m68k_rel32 = 0; | |
4517 | } | |
4518 | ||
2b0f3761 | 4519 | /* First sort the opcode table into alphabetical order to separate |
60fed2d3 NC |
4520 | the order that the assembler wants to see the opcodes from the |
4521 | order that the disassembler wants to see them. */ | |
325801bd | 4522 | m68k_sorted_opcodes = XNEWVEC (const struct m68k_opcode *, m68k_numopcodes); |
60fed2d3 NC |
4523 | |
4524 | for (i = m68k_numopcodes; i--;) | |
4525 | m68k_sorted_opcodes[i] = m68k_opcodes + i; | |
4526 | ||
4527 | qsort (m68k_sorted_opcodes, m68k_numopcodes, | |
4528 | sizeof (m68k_sorted_opcodes[0]), m68k_compare_opcode); | |
4529 | ||
252b5132 RH |
4530 | op_hash = hash_new (); |
4531 | ||
4532 | obstack_begin (&robyn, 4000); | |
4533 | for (i = 0; i < m68k_numopcodes; i++) | |
4534 | { | |
aff7ae12 | 4535 | hack = slak = XOBNEW (&robyn, struct m68k_incant); |
252b5132 RH |
4536 | do |
4537 | { | |
60fed2d3 NC |
4538 | ins = m68k_sorted_opcodes[i]; |
4539 | ||
afa2158f NS |
4540 | /* We must enter all insns into the table, because .arch and |
4541 | .cpu directives can change things. */ | |
252b5132 | 4542 | slak->m_operands = ins->args; |
252b5132 RH |
4543 | slak->m_arch = ins->arch; |
4544 | slak->m_opcode = ins->opcode; | |
3739860c | 4545 | |
afa2158f NS |
4546 | /* In most cases we can determine the number of opcode words |
4547 | by checking the second word of the mask. Unfortunately | |
4548 | some instructions have 2 opcode words, but no fixed bits | |
4549 | in the second word. A leading dot in the operands | |
4550 | string also indicates 2 opcodes. */ | |
4551 | if (*slak->m_operands == '.') | |
4552 | { | |
4553 | slak->m_operands++; | |
4554 | slak->m_codenum = 2; | |
4555 | } | |
4556 | else if (ins->match & 0xffffL) | |
4557 | slak->m_codenum = 2; | |
4558 | else | |
4559 | slak->m_codenum = 1; | |
4560 | slak->m_opnum = strlen (slak->m_operands) / 2; | |
3739860c | 4561 | |
252b5132 | 4562 | if (i + 1 != m68k_numopcodes |
60fed2d3 | 4563 | && !strcmp (ins->name, m68k_sorted_opcodes[i + 1]->name)) |
252b5132 | 4564 | { |
aff7ae12 | 4565 | slak->m_next = XOBNEW (&robyn, struct m68k_incant); |
252b5132 RH |
4566 | i++; |
4567 | } | |
4568 | else | |
4569 | slak->m_next = 0; | |
4570 | slak = slak->m_next; | |
4571 | } | |
4572 | while (slak); | |
4573 | ||
4574 | retval = hash_insert (op_hash, ins->name, (char *) hack); | |
4575 | if (retval) | |
4576 | as_fatal (_("Internal Error: Can't hash %s: %s"), ins->name, retval); | |
4577 | } | |
4578 | ||
4579 | for (i = 0; i < m68k_numaliases; i++) | |
4580 | { | |
4581 | const char *name = m68k_opcode_aliases[i].primary; | |
4582 | const char *alias = m68k_opcode_aliases[i].alias; | |
5a49b8ac | 4583 | void *val = hash_find (op_hash, name); |
60fed2d3 | 4584 | |
252b5132 RH |
4585 | if (!val) |
4586 | as_fatal (_("Internal Error: Can't find %s in hash table"), name); | |
4587 | retval = hash_insert (op_hash, alias, val); | |
4588 | if (retval) | |
4589 | as_fatal (_("Internal Error: Can't hash %s: %s"), alias, retval); | |
4590 | } | |
4591 | ||
4592 | /* In MRI mode, all unsized branches are variable sized. Normally, | |
4593 | they are word sized. */ | |
4594 | if (flag_mri) | |
4595 | { | |
4596 | static struct m68k_opcode_alias mri_aliases[] = | |
4597 | { | |
4598 | { "bhi", "jhi", }, | |
4599 | { "bls", "jls", }, | |
4600 | { "bcc", "jcc", }, | |
4601 | { "bcs", "jcs", }, | |
4602 | { "bne", "jne", }, | |
4603 | { "beq", "jeq", }, | |
4604 | { "bvc", "jvc", }, | |
4605 | { "bvs", "jvs", }, | |
4606 | { "bpl", "jpl", }, | |
4607 | { "bmi", "jmi", }, | |
4608 | { "bge", "jge", }, | |
4609 | { "blt", "jlt", }, | |
4610 | { "bgt", "jgt", }, | |
4611 | { "ble", "jle", }, | |
4612 | { "bra", "jra", }, | |
4613 | { "bsr", "jbsr", }, | |
4614 | }; | |
4615 | ||
8fce3f5e AM |
4616 | for (i = 0; |
4617 | i < (int) (sizeof mri_aliases / sizeof mri_aliases[0]); | |
4618 | i++) | |
252b5132 RH |
4619 | { |
4620 | const char *name = mri_aliases[i].primary; | |
4621 | const char *alias = mri_aliases[i].alias; | |
5a49b8ac | 4622 | void *val = hash_find (op_hash, name); |
60fed2d3 | 4623 | |
252b5132 RH |
4624 | if (!val) |
4625 | as_fatal (_("Internal Error: Can't find %s in hash table"), name); | |
4626 | retval = hash_jam (op_hash, alias, val); | |
4627 | if (retval) | |
4628 | as_fatal (_("Internal Error: Can't hash %s: %s"), alias, retval); | |
4629 | } | |
4630 | } | |
4631 | ||
8fce3f5e | 4632 | for (i = 0; i < (int) sizeof (notend_table); i++) |
252b5132 RH |
4633 | { |
4634 | notend_table[i] = 0; | |
4635 | alt_notend_table[i] = 0; | |
4636 | } | |
60fed2d3 | 4637 | |
252b5132 RH |
4638 | notend_table[','] = 1; |
4639 | notend_table['{'] = 1; | |
4640 | notend_table['}'] = 1; | |
4641 | alt_notend_table['a'] = 1; | |
4642 | alt_notend_table['A'] = 1; | |
4643 | alt_notend_table['d'] = 1; | |
4644 | alt_notend_table['D'] = 1; | |
4645 | alt_notend_table['#'] = 1; | |
4646 | alt_notend_table['&'] = 1; | |
4647 | alt_notend_table['f'] = 1; | |
4648 | alt_notend_table['F'] = 1; | |
4649 | #ifdef REGISTER_PREFIX | |
4650 | alt_notend_table[REGISTER_PREFIX] = 1; | |
4651 | #endif | |
4652 | ||
4653 | /* We need to put '(' in alt_notend_table to handle | |
60fed2d3 | 4654 | cas2 %d0:%d2,%d3:%d4,(%a0):(%a1) */ |
252b5132 RH |
4655 | alt_notend_table['('] = 1; |
4656 | ||
4657 | /* We need to put '@' in alt_notend_table to handle | |
60fed2d3 | 4658 | cas2 %d0:%d2,%d3:%d4,@(%d0):@(%d1) */ |
252b5132 RH |
4659 | alt_notend_table['@'] = 1; |
4660 | ||
4661 | /* We need to put digits in alt_notend_table to handle | |
60fed2d3 | 4662 | bfextu %d0{24:1},%d0 */ |
252b5132 RH |
4663 | alt_notend_table['0'] = 1; |
4664 | alt_notend_table['1'] = 1; | |
4665 | alt_notend_table['2'] = 1; | |
4666 | alt_notend_table['3'] = 1; | |
4667 | alt_notend_table['4'] = 1; | |
4668 | alt_notend_table['5'] = 1; | |
4669 | alt_notend_table['6'] = 1; | |
4670 | alt_notend_table['7'] = 1; | |
4671 | alt_notend_table['8'] = 1; | |
4672 | alt_notend_table['9'] = 1; | |
4673 | ||
4674 | #ifndef MIT_SYNTAX_ONLY | |
4675 | /* Insert pseudo ops, these have to go into the opcode table since | |
36759679 | 4676 | gas expects pseudo ops to start with a dot. */ |
252b5132 RH |
4677 | { |
4678 | int n = 0; | |
60fed2d3 | 4679 | |
252b5132 RH |
4680 | while (mote_pseudo_table[n].poc_name) |
4681 | { | |
aff7ae12 | 4682 | hack = XOBNEW (&robyn, struct m68k_incant); |
252b5132 RH |
4683 | hash_insert (op_hash, |
4684 | mote_pseudo_table[n].poc_name, (char *) hack); | |
4685 | hack->m_operands = 0; | |
4686 | hack->m_opnum = n; | |
4687 | n++; | |
4688 | } | |
4689 | } | |
4690 | #endif | |
4691 | ||
4692 | init_regtable (); | |
4693 | ||
252b5132 RH |
4694 | record_alignment (text_section, 2); |
4695 | record_alignment (data_section, 2); | |
4696 | record_alignment (bss_section, 2); | |
252b5132 RH |
4697 | } |
4698 | ||
252b5132 RH |
4699 | \f |
4700 | /* This is called when a label is defined. */ | |
4701 | ||
4702 | void | |
31302357 | 4703 | m68k_frob_label (symbolS *sym) |
252b5132 RH |
4704 | { |
4705 | struct label_line *n; | |
4706 | ||
add39d23 | 4707 | n = XNEW (struct label_line); |
252b5132 RH |
4708 | n->next = labels; |
4709 | n->label = sym; | |
3b4dbbbf | 4710 | n->file = as_where (&n->line); |
252b5132 RH |
4711 | n->text = 0; |
4712 | labels = n; | |
4713 | current_label = n; | |
07a53e5c | 4714 | |
07a53e5c | 4715 | dwarf2_emit_label (sym); |
252b5132 RH |
4716 | } |
4717 | ||
4718 | /* This is called when a value that is not an instruction is emitted. */ | |
4719 | ||
4720 | void | |
31302357 | 4721 | m68k_flush_pending_output (void) |
252b5132 RH |
4722 | { |
4723 | current_label = NULL; | |
4724 | } | |
4725 | ||
4726 | /* This is called at the end of the assembly, when the final value of | |
4727 | the label is known. We warn if this is a text symbol aligned at an | |
4728 | odd location. */ | |
4729 | ||
4730 | void | |
31302357 | 4731 | m68k_frob_symbol (symbolS *sym) |
252b5132 RH |
4732 | { |
4733 | if (S_GET_SEGMENT (sym) == reg_section | |
4734 | && (int) S_GET_VALUE (sym) < 0) | |
4735 | { | |
4736 | S_SET_SEGMENT (sym, absolute_section); | |
4737 | S_SET_VALUE (sym, ~(int)S_GET_VALUE (sym)); | |
4738 | } | |
4739 | else if ((S_GET_VALUE (sym) & 1) != 0) | |
4740 | { | |
4741 | struct label_line *l; | |
4742 | ||
4743 | for (l = labels; l != NULL; l = l->next) | |
4744 | { | |
4745 | if (l->label == sym) | |
4746 | { | |
4747 | if (l->text) | |
4748 | as_warn_where (l->file, l->line, | |
4749 | _("text label `%s' aligned to odd boundary"), | |
4750 | S_GET_NAME (sym)); | |
4751 | break; | |
4752 | } | |
4753 | } | |
4754 | } | |
4755 | } | |
4756 | \f | |
4757 | /* This is called if we go in or out of MRI mode because of the .mri | |
4758 | pseudo-op. */ | |
4759 | ||
4760 | void | |
31302357 | 4761 | m68k_mri_mode_change (int on) |
252b5132 RH |
4762 | { |
4763 | if (on) | |
4764 | { | |
4765 | if (! flag_reg_prefix_optional) | |
4766 | { | |
4767 | flag_reg_prefix_optional = 1; | |
4768 | #ifdef REGISTER_PREFIX | |
4769 | init_regtable (); | |
4770 | #endif | |
4771 | } | |
4772 | m68k_abspcadd = 1; | |
4773 | if (! m68k_rel32_from_cmdline) | |
4774 | m68k_rel32 = 0; | |
4775 | } | |
4776 | else | |
4777 | { | |
4778 | if (! reg_prefix_optional_seen) | |
4779 | { | |
4780 | #ifdef REGISTER_PREFIX_OPTIONAL | |
4781 | flag_reg_prefix_optional = REGISTER_PREFIX_OPTIONAL; | |
4782 | #else | |
4783 | flag_reg_prefix_optional = 0; | |
4784 | #endif | |
4785 | #ifdef REGISTER_PREFIX | |
4786 | init_regtable (); | |
4787 | #endif | |
4788 | } | |
4789 | m68k_abspcadd = 0; | |
4790 | if (! m68k_rel32_from_cmdline) | |
4791 | m68k_rel32 = 1; | |
4792 | } | |
4793 | } | |
4794 | ||
6d4af3c2 | 4795 | const char * |
31302357 | 4796 | md_atof (int type, char *litP, int *sizeP) |
252b5132 | 4797 | { |
499ac353 | 4798 | return ieee_md_atof (type, litP, sizeP, TRUE); |
252b5132 RH |
4799 | } |
4800 | ||
4801 | void | |
31302357 | 4802 | md_number_to_chars (char *buf, valueT val, int n) |
252b5132 RH |
4803 | { |
4804 | number_to_chars_bigendian (buf, val, n); | |
4805 | } | |
4806 | ||
94f592af | 4807 | void |
55cf6793 | 4808 | md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) |
252b5132 | 4809 | { |
bbe8ef22 | 4810 | offsetT val = *valP; |
252b5132 RH |
4811 | addressT upper_limit; |
4812 | offsetT lower_limit; | |
4813 | ||
4814 | /* This is unnecessary but it convinces the native rs6000 compiler | |
4815 | to generate the code we want. */ | |
4816 | char *buf = fixP->fx_frag->fr_literal; | |
4817 | buf += fixP->fx_where; | |
36759679 | 4818 | /* End ibm compiler workaround. */ |
252b5132 | 4819 | |
bd17c2c3 | 4820 | val = SEXT (val); |
252b5132 | 4821 | |
94f592af NC |
4822 | if (fixP->fx_addsy == NULL && fixP->fx_pcrel == 0) |
4823 | fixP->fx_done = 1; | |
4824 | ||
252b5132 RH |
4825 | if (fixP->fx_addsy) |
4826 | { | |
4827 | memset (buf, 0, fixP->fx_size); | |
36759679 | 4828 | fixP->fx_addnumber = val; /* Remember value for emit_reloc. */ |
252b5132 RH |
4829 | |
4830 | if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT | |
4831 | && !S_IS_DEFINED (fixP->fx_addsy) | |
4832 | && !S_IS_WEAK (fixP->fx_addsy)) | |
4833 | S_SET_WEAK (fixP->fx_addsy); | |
cf869cce NC |
4834 | |
4835 | switch (fixP->fx_r_type) | |
4836 | { | |
4837 | case BFD_RELOC_68K_TLS_GD32: | |
4838 | case BFD_RELOC_68K_TLS_GD16: | |
4839 | case BFD_RELOC_68K_TLS_GD8: | |
4840 | case BFD_RELOC_68K_TLS_LDM32: | |
4841 | case BFD_RELOC_68K_TLS_LDM16: | |
4842 | case BFD_RELOC_68K_TLS_LDM8: | |
4843 | case BFD_RELOC_68K_TLS_LDO32: | |
4844 | case BFD_RELOC_68K_TLS_LDO16: | |
4845 | case BFD_RELOC_68K_TLS_LDO8: | |
4846 | case BFD_RELOC_68K_TLS_IE32: | |
4847 | case BFD_RELOC_68K_TLS_IE16: | |
4848 | case BFD_RELOC_68K_TLS_IE8: | |
4849 | case BFD_RELOC_68K_TLS_LE32: | |
4850 | case BFD_RELOC_68K_TLS_LE16: | |
4851 | case BFD_RELOC_68K_TLS_LE8: | |
4852 | S_SET_THREAD_LOCAL (fixP->fx_addsy); | |
4853 | break; | |
4854 | ||
4855 | default: | |
4856 | break; | |
4857 | } | |
4858 | ||
252b5132 RH |
4859 | return; |
4860 | } | |
252b5132 | 4861 | |
252b5132 RH |
4862 | if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT |
4863 | || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY) | |
4864 | return; | |
252b5132 RH |
4865 | |
4866 | switch (fixP->fx_size) | |
4867 | { | |
94f592af NC |
4868 | /* The cast to offsetT below are necessary to make code |
4869 | correct for machines where ints are smaller than offsetT. */ | |
252b5132 RH |
4870 | case 1: |
4871 | *buf++ = val; | |
4872 | upper_limit = 0x7f; | |
4873 | lower_limit = - (offsetT) 0x80; | |
4874 | break; | |
4875 | case 2: | |
4876 | *buf++ = (val >> 8); | |
4877 | *buf++ = val; | |
4878 | upper_limit = 0x7fff; | |
4879 | lower_limit = - (offsetT) 0x8000; | |
4880 | break; | |
4881 | case 4: | |
4882 | *buf++ = (val >> 24); | |
4883 | *buf++ = (val >> 16); | |
4884 | *buf++ = (val >> 8); | |
4885 | *buf++ = val; | |
4886 | upper_limit = 0x7fffffff; | |
36759679 | 4887 | lower_limit = - (offsetT) 0x7fffffff - 1; /* Avoid constant overflow. */ |
252b5132 RH |
4888 | break; |
4889 | default: | |
4890 | BAD_CASE (fixP->fx_size); | |
4891 | } | |
4892 | ||
4893 | /* Fix up a negative reloc. */ | |
4894 | if (fixP->fx_addsy == NULL && fixP->fx_subsy != NULL) | |
4895 | { | |
4896 | fixP->fx_addsy = fixP->fx_subsy; | |
4897 | fixP->fx_subsy = NULL; | |
4898 | fixP->fx_tcbit = 1; | |
4899 | } | |
4900 | ||
4901 | /* For non-pc-relative values, it's conceivable we might get something | |
4902 | like "0xff" for a byte field. So extend the upper part of the range | |
4903 | to accept such numbers. We arbitrarily disallow "-0xff" or "0xff+0xff", | |
4904 | so that we can do any range checking at all. */ | |
4905 | if (! fixP->fx_pcrel && ! fixP->fx_signed) | |
4906 | upper_limit = upper_limit * 2 + 1; | |
4907 | ||
4908 | if ((addressT) val > upper_limit | |
4909 | && (val > 0 || val < lower_limit)) | |
2b878742 NS |
4910 | as_bad_where (fixP->fx_file, fixP->fx_line, |
4911 | _("value %ld out of range"), (long)val); | |
252b5132 RH |
4912 | |
4913 | /* A one byte PC-relative reloc means a short branch. We can't use | |
4914 | a short branch with a value of 0 or -1, because those indicate | |
4915 | different opcodes (branches with longer offsets). fixup_segment | |
4916 | in write.c may have clobbered fx_pcrel, so we need to examine the | |
4917 | reloc type. */ | |
4918 | if ((fixP->fx_pcrel | |
7be1c489 | 4919 | || fixP->fx_r_type == BFD_RELOC_8_PCREL) |
252b5132 RH |
4920 | && fixP->fx_size == 1 |
4921 | && (fixP->fx_addsy == NULL | |
4922 | || S_IS_DEFINED (fixP->fx_addsy)) | |
4923 | && (val == 0 || val == -1)) | |
2b878742 NS |
4924 | as_bad_where (fixP->fx_file, fixP->fx_line, |
4925 | _("invalid byte branch offset")); | |
252b5132 RH |
4926 | } |
4927 | ||
252b5132 RH |
4928 | /* *fragP has been relaxed to its final size, and now needs to have |
4929 | the bytes inside it modified to conform to the new size There is UGLY | |
4930 | MAGIC here. .. | |
4931 | */ | |
4932 | static void | |
31302357 | 4933 | md_convert_frag_1 (fragS *fragP) |
252b5132 RH |
4934 | { |
4935 | long disp; | |
2b878742 | 4936 | fixS *fixP = NULL; |
252b5132 RH |
4937 | |
4938 | /* Address in object code of the displacement. */ | |
ed9e98c2 | 4939 | int object_address = fragP->fr_fix + fragP->fr_address; |
252b5132 RH |
4940 | |
4941 | /* Address in gas core of the place to store the displacement. */ | |
4942 | /* This convinces the native rs6000 compiler to generate the code we | |
92774660 | 4943 | want. */ |
ed9e98c2 | 4944 | char *buffer_address = fragP->fr_literal; |
252b5132 | 4945 | buffer_address += fragP->fr_fix; |
36759679 | 4946 | /* End ibm compiler workaround. */ |
252b5132 RH |
4947 | |
4948 | /* The displacement of the address, from current location. */ | |
4949 | disp = fragP->fr_symbol ? S_GET_VALUE (fragP->fr_symbol) : 0; | |
4950 | disp = (disp + fragP->fr_offset) - object_address; | |
4951 | ||
252b5132 RH |
4952 | switch (fragP->fr_subtype) |
4953 | { | |
151337e8 NC |
4954 | case TAB (BRANCHBWL, BYTE): |
4955 | case TAB (BRABSJUNC, BYTE): | |
4956 | case TAB (BRABSJCOND, BYTE): | |
4957 | case TAB (BRANCHBW, BYTE): | |
cac27205 | 4958 | case TAB (BRANCHBWPL, BYTE): |
252b5132 RH |
4959 | know (issbyte (disp)); |
4960 | if (disp == 0) | |
b091f402 AM |
4961 | as_bad_where (fragP->fr_file, fragP->fr_line, |
4962 | _("short branch with zero offset: use :w")); | |
151337e8 | 4963 | fixP = fix_new (fragP, fragP->fr_fix - 1, 1, fragP->fr_symbol, |
5cbdaa77 | 4964 | fragP->fr_offset, 1, RELAX_RELOC_PC8); |
151337e8 | 4965 | fixP->fx_pcrel_adjust = -1; |
252b5132 | 4966 | break; |
151337e8 NC |
4967 | case TAB (BRANCHBWL, SHORT): |
4968 | case TAB (BRABSJUNC, SHORT): | |
4969 | case TAB (BRABSJCOND, SHORT): | |
4970 | case TAB (BRANCHBW, SHORT): | |
cac27205 | 4971 | case TAB (BRANCHBWPL, SHORT): |
252b5132 | 4972 | fragP->fr_opcode[1] = 0x00; |
2b878742 NS |
4973 | fixP = fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol, |
4974 | fragP->fr_offset, 1, RELAX_RELOC_PC16); | |
151337e8 NC |
4975 | fragP->fr_fix += 2; |
4976 | break; | |
4977 | case TAB (BRANCHBWL, LONG): | |
4978 | fragP->fr_opcode[1] = (char) 0xFF; | |
2b878742 NS |
4979 | fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, |
4980 | fragP->fr_offset, 1, RELAX_RELOC_PC32); | |
151337e8 | 4981 | fragP->fr_fix += 4; |
252b5132 | 4982 | break; |
cac27205 NC |
4983 | case TAB (BRANCHBWPL, LONG): |
4984 | /* Here we are converting an unconditional branch into a pair of | |
4985 | conditional branches, in order to get the range. */ | |
4986 | fragP->fr_opcode[0] = 0x66; /* bne */ | |
4987 | fragP->fr_opcode[1] = 0xFF; | |
4988 | fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, | |
4989 | fragP->fr_offset, 1, RELAX_RELOC_PC32); | |
4990 | fixP->fx_file = fragP->fr_file; | |
4991 | fixP->fx_line = fragP->fr_line; | |
4992 | fragP->fr_fix += 4; /* Skip first offset */ | |
4993 | buffer_address += 4; | |
4994 | *buffer_address++ = 0x67; /* beq */ | |
4995 | *buffer_address++ = 0xff; | |
4996 | fragP->fr_fix += 2; /* Skip second branch opcode */ | |
4997 | fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, | |
4998 | fragP->fr_offset, 1, RELAX_RELOC_PC32); | |
4999 | fragP->fr_fix += 4; | |
5000 | break; | |
151337e8 NC |
5001 | case TAB (BRABSJUNC, LONG): |
5002 | if (fragP->fr_opcode[0] == 0x61) /* jbsr */ | |
252b5132 | 5003 | { |
36759679 | 5004 | if (flag_keep_pcrel) |
2b878742 NS |
5005 | as_bad_where (fragP->fr_file, fragP->fr_line, |
5006 | _("Conversion of PC relative BSR to absolute JSR")); | |
151337e8 | 5007 | fragP->fr_opcode[0] = 0x4E; |
36759679 | 5008 | fragP->fr_opcode[1] = (char) 0xB9; /* JSR with ABSL LONG operand. */ |
2b878742 NS |
5009 | fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, |
5010 | fragP->fr_offset, 0, RELAX_RELOC_ABS32); | |
151337e8 NC |
5011 | fragP->fr_fix += 4; |
5012 | } | |
5013 | else if (fragP->fr_opcode[0] == 0x60) /* jbra */ | |
5014 | { | |
36759679 | 5015 | if (flag_keep_pcrel) |
2b878742 NS |
5016 | as_bad_where (fragP->fr_file, fragP->fr_line, |
5017 | _("Conversion of PC relative branch to absolute jump")); | |
151337e8 | 5018 | fragP->fr_opcode[0] = 0x4E; |
36759679 | 5019 | fragP->fr_opcode[1] = (char) 0xF9; /* JMP with ABSL LONG operand. */ |
2b878742 NS |
5020 | fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, |
5021 | fragP->fr_offset, 0, RELAX_RELOC_ABS32); | |
151337e8 | 5022 | fragP->fr_fix += 4; |
252b5132 RH |
5023 | } |
5024 | else | |
5025 | { | |
151337e8 NC |
5026 | /* This cannot happen, because jbsr and jbra are the only two |
5027 | unconditional branches. */ | |
5028 | abort (); | |
252b5132 RH |
5029 | } |
5030 | break; | |
151337e8 | 5031 | case TAB (BRABSJCOND, LONG): |
36759679 | 5032 | if (flag_keep_pcrel) |
2b878742 NS |
5033 | as_bad_where (fragP->fr_file, fragP->fr_line, |
5034 | _("Conversion of PC relative conditional branch to absolute jump")); | |
92774660 | 5035 | |
36759679 NC |
5036 | /* Only Bcc 68000 instructions can come here |
5037 | Change bcc into b!cc/jmp absl long. */ | |
5038 | fragP->fr_opcode[0] ^= 0x01; /* Invert bcc. */ | |
5039 | fragP->fr_opcode[1] = 0x06; /* Branch offset = 6. */ | |
252b5132 RH |
5040 | |
5041 | /* JF: these used to be fr_opcode[2,3], but they may be in a | |
67c1ffbe | 5042 | different frag, in which case referring to them is a no-no. |
92774660 | 5043 | Only fr_opcode[0,1] are guaranteed to work. */ |
252b5132 RH |
5044 | *buffer_address++ = 0x4e; /* put in jmp long (0x4ef9) */ |
5045 | *buffer_address++ = (char) 0xf9; | |
36759679 | 5046 | fragP->fr_fix += 2; /* Account for jmp instruction. */ |
2b878742 NS |
5047 | fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, |
5048 | fragP->fr_offset, 0, RELAX_RELOC_ABS32); | |
151337e8 NC |
5049 | fragP->fr_fix += 4; |
5050 | break; | |
5051 | case TAB (FBRANCH, SHORT): | |
5052 | know ((fragP->fr_opcode[1] & 0x40) == 0); | |
2b878742 NS |
5053 | fixP = fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol, |
5054 | fragP->fr_offset, 1, RELAX_RELOC_PC16); | |
151337e8 NC |
5055 | fragP->fr_fix += 2; |
5056 | break; | |
5057 | case TAB (FBRANCH, LONG): | |
36759679 | 5058 | fragP->fr_opcode[1] |= 0x40; /* Turn on LONG bit. */ |
2b878742 NS |
5059 | fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, |
5060 | fragP->fr_offset, 1, RELAX_RELOC_PC32); | |
252b5132 | 5061 | fragP->fr_fix += 4; |
252b5132 | 5062 | break; |
151337e8 NC |
5063 | case TAB (DBCCLBR, SHORT): |
5064 | case TAB (DBCCABSJ, SHORT): | |
2b878742 NS |
5065 | fixP = fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol, |
5066 | fragP->fr_offset, 1, RELAX_RELOC_PC16); | |
151337e8 NC |
5067 | fragP->fr_fix += 2; |
5068 | break; | |
5069 | case TAB (DBCCLBR, LONG): | |
36759679 NC |
5070 | /* Only DBcc instructions can come here. |
5071 | Change dbcc into dbcc/bral. | |
5072 | JF: these used to be fr_opcode[2-7], but that's wrong. */ | |
36759679 | 5073 | *buffer_address++ = 0x00; /* Branch offset = 4. */ |
252b5132 | 5074 | *buffer_address++ = 0x04; |
36759679 | 5075 | *buffer_address++ = 0x60; /* Put in bra pc+6. */ |
252b5132 | 5076 | *buffer_address++ = 0x06; |
151337e8 NC |
5077 | *buffer_address++ = 0x60; /* Put in bral (0x60ff). */ |
5078 | *buffer_address++ = (char) 0xff; | |
252b5132 | 5079 | |
36759679 | 5080 | fragP->fr_fix += 6; /* Account for bra/jmp instructions. */ |
2b878742 NS |
5081 | fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, |
5082 | fragP->fr_offset, 1, RELAX_RELOC_PC32); | |
252b5132 | 5083 | fragP->fr_fix += 4; |
252b5132 | 5084 | break; |
151337e8 | 5085 | case TAB (DBCCABSJ, LONG): |
36759679 NC |
5086 | /* Only DBcc instructions can come here. |
5087 | Change dbcc into dbcc/jmp. | |
5088 | JF: these used to be fr_opcode[2-7], but that's wrong. */ | |
5089 | if (flag_keep_pcrel) | |
2b878742 NS |
5090 | as_bad_where (fragP->fr_file, fragP->fr_line, |
5091 | _("Conversion of PC relative conditional branch to absolute jump")); | |
151337e8 | 5092 | |
36759679 | 5093 | *buffer_address++ = 0x00; /* Branch offset = 4. */ |
151337e8 | 5094 | *buffer_address++ = 0x04; |
36759679 | 5095 | *buffer_address++ = 0x60; /* Put in bra pc + 6. */ |
151337e8 | 5096 | *buffer_address++ = 0x06; |
36759679 | 5097 | *buffer_address++ = 0x4e; /* Put in jmp long (0x4ef9). */ |
151337e8 NC |
5098 | *buffer_address++ = (char) 0xf9; |
5099 | ||
36759679 | 5100 | fragP->fr_fix += 6; /* Account for bra/jmp instructions. */ |
2b878742 NS |
5101 | fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, |
5102 | fragP->fr_offset, 0, RELAX_RELOC_ABS32); | |
252b5132 | 5103 | fragP->fr_fix += 4; |
252b5132 | 5104 | break; |
151337e8 | 5105 | case TAB (PCREL1632, SHORT): |
252b5132 RH |
5106 | fragP->fr_opcode[1] &= ~0x3F; |
5107 | fragP->fr_opcode[1] |= 0x3A; /* 072 - mode 7.2 */ | |
2b878742 NS |
5108 | fixP = fix_new (fragP, (int) (fragP->fr_fix), 2, fragP->fr_symbol, |
5109 | fragP->fr_offset, 1, RELAX_RELOC_PC16); | |
151337e8 | 5110 | fragP->fr_fix += 2; |
252b5132 | 5111 | break; |
151337e8 | 5112 | case TAB (PCREL1632, LONG): |
252b5132 RH |
5113 | /* Already set to mode 7.3; this indicates: PC indirect with |
5114 | suppressed index, 32-bit displacement. */ | |
5115 | *buffer_address++ = 0x01; | |
5116 | *buffer_address++ = 0x70; | |
5117 | fragP->fr_fix += 2; | |
151337e8 | 5118 | fixP = fix_new (fragP, (int) (fragP->fr_fix), 4, fragP->fr_symbol, |
5cbdaa77 | 5119 | fragP->fr_offset, 1, RELAX_RELOC_PC32); |
151337e8 NC |
5120 | fixP->fx_pcrel_adjust = 2; |
5121 | fragP->fr_fix += 4; | |
252b5132 | 5122 | break; |
252b5132 | 5123 | case TAB (PCINDEX, BYTE): |
9c2799c2 | 5124 | gas_assert (fragP->fr_fix >= 2); |
252b5132 | 5125 | buffer_address[-2] &= ~1; |
151337e8 | 5126 | fixP = fix_new (fragP, fragP->fr_fix - 1, 1, fragP->fr_symbol, |
5cbdaa77 | 5127 | fragP->fr_offset, 1, RELAX_RELOC_PC8); |
151337e8 | 5128 | fixP->fx_pcrel_adjust = 1; |
252b5132 RH |
5129 | break; |
5130 | case TAB (PCINDEX, SHORT): | |
9c2799c2 | 5131 | gas_assert (fragP->fr_fix >= 2); |
252b5132 RH |
5132 | buffer_address[-2] |= 0x1; |
5133 | buffer_address[-1] = 0x20; | |
5134 | fixP = fix_new (fragP, (int) (fragP->fr_fix), 2, fragP->fr_symbol, | |
5cbdaa77 | 5135 | fragP->fr_offset, 1, RELAX_RELOC_PC16); |
252b5132 | 5136 | fixP->fx_pcrel_adjust = 2; |
151337e8 | 5137 | fragP->fr_fix += 2; |
252b5132 RH |
5138 | break; |
5139 | case TAB (PCINDEX, LONG): | |
9c2799c2 | 5140 | gas_assert (fragP->fr_fix >= 2); |
252b5132 RH |
5141 | buffer_address[-2] |= 0x1; |
5142 | buffer_address[-1] = 0x30; | |
151337e8 | 5143 | fixP = fix_new (fragP, (int) (fragP->fr_fix), 4, fragP->fr_symbol, |
5cbdaa77 | 5144 | fragP->fr_offset, 1, RELAX_RELOC_PC32); |
151337e8 NC |
5145 | fixP->fx_pcrel_adjust = 2; |
5146 | fragP->fr_fix += 4; | |
5147 | break; | |
5148 | case TAB (ABSTOPCREL, SHORT): | |
2b878742 NS |
5149 | fixP = fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol, |
5150 | fragP->fr_offset, 1, RELAX_RELOC_PC16); | |
151337e8 NC |
5151 | fragP->fr_fix += 2; |
5152 | break; | |
5153 | case TAB (ABSTOPCREL, LONG): | |
36759679 | 5154 | if (flag_keep_pcrel) |
025987ea NS |
5155 | as_bad_where (fragP->fr_file, fragP->fr_line, |
5156 | _("Conversion of PC relative displacement to absolute")); | |
151337e8 | 5157 | /* The thing to do here is force it to ABSOLUTE LONG, since |
36759679 | 5158 | ABSTOPCREL is really trying to shorten an ABSOLUTE address anyway. */ |
151337e8 NC |
5159 | if ((fragP->fr_opcode[1] & 0x3F) != 0x3A) |
5160 | abort (); | |
5161 | fragP->fr_opcode[1] &= ~0x3F; | |
5162 | fragP->fr_opcode[1] |= 0x39; /* Mode 7.1 */ | |
2b878742 NS |
5163 | fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, |
5164 | fragP->fr_offset, 0, RELAX_RELOC_ABS32); | |
151337e8 | 5165 | fragP->fr_fix += 4; |
252b5132 | 5166 | break; |
252b5132 | 5167 | } |
2b878742 NS |
5168 | if (fixP) |
5169 | { | |
5170 | fixP->fx_file = fragP->fr_file; | |
5171 | fixP->fx_line = fragP->fr_line; | |
5172 | } | |
252b5132 RH |
5173 | } |
5174 | ||
252b5132 | 5175 | void |
31302357 AS |
5176 | md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, |
5177 | segT sec ATTRIBUTE_UNUSED, | |
5178 | fragS *fragP) | |
252b5132 RH |
5179 | { |
5180 | md_convert_frag_1 (fragP); | |
5181 | } | |
252b5132 RH |
5182 | |
5183 | /* Force truly undefined symbols to their maximum size, and generally set up | |
5184 | the frag list to be relaxed | |
5185 | */ | |
5186 | int | |
31302357 | 5187 | md_estimate_size_before_relax (fragS *fragP, segT segment) |
252b5132 | 5188 | { |
151337e8 | 5189 | /* Handle SZ_UNDEF first, it can be changed to BYTE or SHORT. */ |
252b5132 RH |
5190 | switch (fragP->fr_subtype) |
5191 | { | |
151337e8 | 5192 | case TAB (BRANCHBWL, SZ_UNDEF): |
cac27205 | 5193 | case TAB (BRANCHBWPL, SZ_UNDEF): |
151337e8 | 5194 | case TAB (BRABSJUNC, SZ_UNDEF): |
151337e8 | 5195 | case TAB (BRABSJCOND, SZ_UNDEF): |
252b5132 | 5196 | { |
151337e8 NC |
5197 | if (S_GET_SEGMENT (fragP->fr_symbol) == segment |
5198 | && relaxable_symbol (fragP->fr_symbol)) | |
252b5132 | 5199 | { |
151337e8 NC |
5200 | fragP->fr_subtype = TAB (TABTYPE (fragP->fr_subtype), BYTE); |
5201 | } | |
5202 | else if (flag_short_refs) | |
5203 | { | |
5204 | /* Symbol is undefined and we want short ref. */ | |
5205 | fragP->fr_subtype = TAB (TABTYPE (fragP->fr_subtype), SHORT); | |
252b5132 RH |
5206 | } |
5207 | else | |
5208 | { | |
151337e8 NC |
5209 | /* Symbol is still undefined. Make it LONG. */ |
5210 | fragP->fr_subtype = TAB (TABTYPE (fragP->fr_subtype), LONG); | |
252b5132 RH |
5211 | } |
5212 | break; | |
151337e8 | 5213 | } |
252b5132 | 5214 | |
151337e8 | 5215 | case TAB (BRANCHBW, SZ_UNDEF): |
252b5132 | 5216 | { |
151337e8 NC |
5217 | if (S_GET_SEGMENT (fragP->fr_symbol) == segment |
5218 | && relaxable_symbol (fragP->fr_symbol)) | |
252b5132 | 5219 | { |
151337e8 | 5220 | fragP->fr_subtype = TAB (TABTYPE (fragP->fr_subtype), BYTE); |
252b5132 RH |
5221 | } |
5222 | else | |
5223 | { | |
151337e8 NC |
5224 | /* Symbol is undefined and we don't have long branches. */ |
5225 | fragP->fr_subtype = TAB (TABTYPE (fragP->fr_subtype), SHORT); | |
252b5132 RH |
5226 | } |
5227 | break; | |
151337e8 | 5228 | } |
252b5132 | 5229 | |
151337e8 | 5230 | case TAB (FBRANCH, SZ_UNDEF): |
151337e8 NC |
5231 | case TAB (DBCCLBR, SZ_UNDEF): |
5232 | case TAB (DBCCABSJ, SZ_UNDEF): | |
5c65dbc1 | 5233 | case TAB (PCREL1632, SZ_UNDEF): |
252b5132 | 5234 | { |
8ec6253e NC |
5235 | if ((S_GET_SEGMENT (fragP->fr_symbol) == segment |
5236 | && relaxable_symbol (fragP->fr_symbol)) | |
151337e8 | 5237 | || flag_short_refs) |
252b5132 | 5238 | { |
151337e8 | 5239 | fragP->fr_subtype = TAB (TABTYPE (fragP->fr_subtype), SHORT); |
252b5132 RH |
5240 | } |
5241 | else | |
5242 | { | |
151337e8 | 5243 | fragP->fr_subtype = TAB (TABTYPE (fragP->fr_subtype), LONG); |
252b5132 RH |
5244 | } |
5245 | break; | |
151337e8 | 5246 | } |
81d4177b | 5247 | |
252b5132 RH |
5248 | case TAB (PCINDEX, SZ_UNDEF): |
5249 | if ((S_GET_SEGMENT (fragP->fr_symbol) == segment | |
151337e8 | 5250 | && relaxable_symbol (fragP->fr_symbol))) |
252b5132 RH |
5251 | { |
5252 | fragP->fr_subtype = TAB (PCINDEX, BYTE); | |
5253 | } | |
5254 | else | |
5255 | { | |
5256 | fragP->fr_subtype = TAB (PCINDEX, LONG); | |
252b5132 RH |
5257 | } |
5258 | break; | |
5259 | ||
151337e8 NC |
5260 | case TAB (ABSTOPCREL, SZ_UNDEF): |
5261 | { | |
5262 | if ((S_GET_SEGMENT (fragP->fr_symbol) == segment | |
5263 | && relaxable_symbol (fragP->fr_symbol))) | |
5264 | { | |
5265 | fragP->fr_subtype = TAB (ABSTOPCREL, SHORT); | |
151337e8 NC |
5266 | } |
5267 | else | |
5268 | { | |
5269 | fragP->fr_subtype = TAB (ABSTOPCREL, LONG); | |
151337e8 NC |
5270 | } |
5271 | break; | |
5272 | } | |
5273 | ||
252b5132 RH |
5274 | default: |
5275 | break; | |
5276 | } | |
5277 | ||
151337e8 | 5278 | /* Now that SZ_UNDEF are taken care of, check others. */ |
252b5132 RH |
5279 | switch (fragP->fr_subtype) |
5280 | { | |
151337e8 NC |
5281 | case TAB (BRANCHBWL, BYTE): |
5282 | case TAB (BRABSJUNC, BYTE): | |
5283 | case TAB (BRABSJCOND, BYTE): | |
5284 | case TAB (BRANCHBW, BYTE): | |
252b5132 | 5285 | /* We can't do a short jump to the next instruction, so in that |
ac62c346 AM |
5286 | case we force word mode. If the symbol is at the start of a |
5287 | frag, and it is the next frag with any data in it (usually | |
5288 | this is just the next frag, but assembler listings may | |
5289 | introduce empty frags), we must use word mode. */ | |
5290 | if (fragP->fr_symbol) | |
252b5132 | 5291 | { |
ac62c346 | 5292 | fragS *sym_frag; |
252b5132 | 5293 | |
ac62c346 AM |
5294 | sym_frag = symbol_get_frag (fragP->fr_symbol); |
5295 | if (S_GET_VALUE (fragP->fr_symbol) == sym_frag->fr_address) | |
252b5132 | 5296 | { |
ac62c346 AM |
5297 | fragS *l; |
5298 | ||
23b7f870 | 5299 | for (l = fragP->fr_next; l && l != sym_frag; l = l->fr_next) |
ac62c346 AM |
5300 | if (l->fr_fix != 0) |
5301 | break; | |
5302 | if (l == sym_frag) | |
5303 | fragP->fr_subtype = TAB (TABTYPE (fragP->fr_subtype), SHORT); | |
252b5132 RH |
5304 | } |
5305 | } | |
5306 | break; | |
5307 | default: | |
5308 | break; | |
5309 | } | |
ac62c346 | 5310 | return md_relax_table[fragP->fr_subtype].rlx_length; |
252b5132 RH |
5311 | } |
5312 | ||
252b5132 | 5313 | #ifndef WORKING_DOT_WORD |
2b4f075a HPN |
5314 | int md_short_jump_size = 4; |
5315 | int md_long_jump_size = 6; | |
252b5132 RH |
5316 | |
5317 | void | |
31302357 AS |
5318 | md_create_short_jump (char *ptr, addressT from_addr, addressT to_addr, |
5319 | fragS *frag ATTRIBUTE_UNUSED, | |
5320 | symbolS *to_symbol ATTRIBUTE_UNUSED) | |
252b5132 RH |
5321 | { |
5322 | valueT offset; | |
5323 | ||
5324 | offset = to_addr - (from_addr + 2); | |
5325 | ||
5326 | md_number_to_chars (ptr, (valueT) 0x6000, 2); | |
5327 | md_number_to_chars (ptr + 2, (valueT) offset, 2); | |
5328 | } | |
5329 | ||
5330 | void | |
31302357 AS |
5331 | md_create_long_jump (char *ptr, addressT from_addr, addressT to_addr, |
5332 | fragS *frag, symbolS *to_symbol) | |
252b5132 RH |
5333 | { |
5334 | valueT offset; | |
5335 | ||
6b6e92f4 | 5336 | if (!HAVE_LONG_BRANCH (current_architecture)) |
252b5132 | 5337 | { |
36759679 | 5338 | if (flag_keep_pcrel) |
6b6e92f4 | 5339 | as_fatal (_("Tried to convert PC relative branch to absolute jump")); |
252b5132 RH |
5340 | offset = to_addr - S_GET_VALUE (to_symbol); |
5341 | md_number_to_chars (ptr, (valueT) 0x4EF9, 2); | |
5342 | md_number_to_chars (ptr + 2, (valueT) offset, 4); | |
5343 | fix_new (frag, (ptr + 2) - frag->fr_literal, 4, to_symbol, (offsetT) 0, | |
5344 | 0, NO_RELOC); | |
5345 | } | |
5346 | else | |
5347 | { | |
5348 | offset = to_addr - (from_addr + 2); | |
5349 | md_number_to_chars (ptr, (valueT) 0x60ff, 2); | |
5350 | md_number_to_chars (ptr + 2, (valueT) offset, 4); | |
5351 | } | |
5352 | } | |
5353 | ||
5354 | #endif | |
5355 | ||
33eaf5de | 5356 | /* Different values of OK tell what it's OK to return. Things that |
252b5132 RH |
5357 | aren't OK are an error (what a shock, no?) |
5358 | ||
5359 | 0: Everything is OK | |
3e602632 NC |
5360 | 10: Absolute 1:8 only |
5361 | 20: Absolute 0:7 only | |
5362 | 30: absolute 0:15 only | |
5363 | 40: Absolute 0:31 only | |
5364 | 50: absolute 0:127 only | |
252b5132 | 5365 | 55: absolute -64:63 only |
3e602632 | 5366 | 60: absolute -128:127 only |
afa2158f | 5367 | 65: absolute 0:511 only |
3e602632 NC |
5368 | 70: absolute 0:4095 only |
5369 | 80: absolute -1, 1:7 only | |
5370 | 90: No bignums. */ | |
252b5132 RH |
5371 | |
5372 | static int | |
31302357 | 5373 | get_num (struct m68k_exp *exp, int ok) |
252b5132 RH |
5374 | { |
5375 | if (exp->exp.X_op == O_absent) | |
5376 | { | |
36759679 | 5377 | /* Do the same thing the VAX asm does. */ |
252b5132 RH |
5378 | op (exp) = O_constant; |
5379 | adds (exp) = 0; | |
5380 | subs (exp) = 0; | |
5381 | offs (exp) = 0; | |
5382 | if (ok == 10) | |
5383 | { | |
5384 | as_warn (_("expression out of range: defaulting to 1")); | |
5385 | offs (exp) = 1; | |
5386 | } | |
5387 | } | |
5388 | else if (exp->exp.X_op == O_constant) | |
5389 | { | |
5390 | switch (ok) | |
5391 | { | |
5392 | case 10: | |
bd17c2c3 | 5393 | if ((valueT) TRUNC (offs (exp)) - 1 > 7) |
252b5132 RH |
5394 | { |
5395 | as_warn (_("expression out of range: defaulting to 1")); | |
5396 | offs (exp) = 1; | |
5397 | } | |
5398 | break; | |
5399 | case 20: | |
bd17c2c3 | 5400 | if ((valueT) TRUNC (offs (exp)) > 7) |
252b5132 RH |
5401 | goto outrange; |
5402 | break; | |
5403 | case 30: | |
bd17c2c3 | 5404 | if ((valueT) TRUNC (offs (exp)) > 15) |
252b5132 RH |
5405 | goto outrange; |
5406 | break; | |
5407 | case 40: | |
bd17c2c3 | 5408 | if ((valueT) TRUNC (offs (exp)) > 32) |
252b5132 RH |
5409 | goto outrange; |
5410 | break; | |
5411 | case 50: | |
bd17c2c3 | 5412 | if ((valueT) TRUNC (offs (exp)) > 127) |
252b5132 RH |
5413 | goto outrange; |
5414 | break; | |
5415 | case 55: | |
bd17c2c3 | 5416 | if ((valueT) SEXT (offs (exp)) + 64 > 127) |
252b5132 RH |
5417 | goto outrange; |
5418 | break; | |
5419 | case 60: | |
bd17c2c3 | 5420 | if ((valueT) SEXT (offs (exp)) + 128 > 255) |
252b5132 | 5421 | goto outrange; |
afa2158f NS |
5422 | break; |
5423 | case 65: | |
5424 | if ((valueT) TRUNC (offs (exp)) > 511) | |
5425 | goto outrange; | |
252b5132 RH |
5426 | break; |
5427 | case 70: | |
bd17c2c3 | 5428 | if ((valueT) TRUNC (offs (exp)) > 4095) |
252b5132 RH |
5429 | { |
5430 | outrange: | |
5431 | as_warn (_("expression out of range: defaulting to 0")); | |
5432 | offs (exp) = 0; | |
5433 | } | |
5434 | break; | |
3e602632 | 5435 | case 80: |
bd17c2c3 AM |
5436 | if ((valueT) TRUNC (offs (exp)) != 0xffffffff |
5437 | && (valueT) TRUNC (offs (exp)) - 1 > 6) | |
3e602632 NC |
5438 | { |
5439 | as_warn (_("expression out of range: defaulting to 1")); | |
5440 | offs (exp) = 1; | |
5441 | } | |
5442 | break; | |
252b5132 RH |
5443 | default: |
5444 | break; | |
5445 | } | |
5446 | } | |
5447 | else if (exp->exp.X_op == O_big) | |
5448 | { | |
36759679 | 5449 | if (offs (exp) <= 0 /* flonum. */ |
3e602632 | 5450 | && (ok == 90 /* no bignums */ |
36759679 | 5451 | || (ok > 10 /* Small-int ranges including 0 ok. */ |
252b5132 RH |
5452 | /* If we have a flonum zero, a zero integer should |
5453 | do as well (e.g., in moveq). */ | |
5454 | && generic_floating_point_number.exponent == 0 | |
5455 | && generic_floating_point_number.low[0] == 0))) | |
5456 | { | |
36759679 | 5457 | /* HACK! Turn it into a long. */ |
252b5132 RH |
5458 | LITTLENUM_TYPE words[6]; |
5459 | ||
36759679 | 5460 | gen_to_words (words, 2, 8L); /* These numbers are magic! */ |
252b5132 RH |
5461 | op (exp) = O_constant; |
5462 | adds (exp) = 0; | |
5463 | subs (exp) = 0; | |
5464 | offs (exp) = words[1] | (words[0] << 16); | |
5465 | } | |
5466 | else if (ok != 0) | |
5467 | { | |
5468 | op (exp) = O_constant; | |
5469 | adds (exp) = 0; | |
5470 | subs (exp) = 0; | |
5471 | offs (exp) = (ok == 10) ? 1 : 0; | |
5472 | as_warn (_("Can't deal with expression; defaulting to %ld"), | |
045b540e | 5473 | (long) offs (exp)); |
252b5132 RH |
5474 | } |
5475 | } | |
5476 | else | |
5477 | { | |
3e602632 | 5478 | if (ok >= 10 && ok <= 80) |
252b5132 RH |
5479 | { |
5480 | op (exp) = O_constant; | |
5481 | adds (exp) = 0; | |
5482 | subs (exp) = 0; | |
5483 | offs (exp) = (ok == 10) ? 1 : 0; | |
5484 | as_warn (_("Can't deal with expression; defaulting to %ld"), | |
045b540e | 5485 | (long) offs (exp)); |
252b5132 RH |
5486 | } |
5487 | } | |
5488 | ||
5489 | if (exp->size != SIZE_UNSPEC) | |
5490 | { | |
5491 | switch (exp->size) | |
5492 | { | |
5493 | case SIZE_UNSPEC: | |
5494 | case SIZE_LONG: | |
5495 | break; | |
5496 | case SIZE_BYTE: | |
5497 | if (!isbyte (offs (exp))) | |
5498 | as_warn (_("expression doesn't fit in BYTE")); | |
5499 | break; | |
5500 | case SIZE_WORD: | |
5501 | if (!isword (offs (exp))) | |
5502 | as_warn (_("expression doesn't fit in WORD")); | |
5503 | break; | |
5504 | } | |
5505 | } | |
5506 | ||
5507 | return offs (exp); | |
5508 | } | |
5509 | ||
5510 | /* These are the back-ends for the various machine dependent pseudo-ops. */ | |
5511 | ||
5512 | static void | |
31302357 | 5513 | s_data1 (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5514 | { |
5515 | subseg_set (data_section, 1); | |
5516 | demand_empty_rest_of_line (); | |
5517 | } | |
5518 | ||
5519 | static void | |
31302357 | 5520 | s_data2 (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5521 | { |
5522 | subseg_set (data_section, 2); | |
5523 | demand_empty_rest_of_line (); | |
5524 | } | |
5525 | ||
5526 | static void | |
31302357 | 5527 | s_bss (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5528 | { |
5529 | /* We don't support putting frags in the BSS segment, we fake it | |
5530 | by marking in_bss, then looking at s_skip for clues. */ | |
5531 | ||
5532 | subseg_set (bss_section, 0); | |
5533 | demand_empty_rest_of_line (); | |
5534 | } | |
5535 | ||
5536 | static void | |
31302357 | 5537 | s_even (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 5538 | { |
ed9e98c2 AM |
5539 | int temp; |
5540 | long temp_fill; | |
252b5132 RH |
5541 | |
5542 | temp = 1; /* JF should be 2? */ | |
5543 | temp_fill = get_absolute_expression (); | |
92774660 | 5544 | if (!need_pass_2) /* Never make frag if expect extra pass. */ |
252b5132 RH |
5545 | frag_align (temp, (int) temp_fill, 0); |
5546 | demand_empty_rest_of_line (); | |
5547 | record_alignment (now_seg, temp); | |
5548 | } | |
5549 | ||
5550 | static void | |
31302357 | 5551 | s_proc (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5552 | { |
5553 | demand_empty_rest_of_line (); | |
5554 | } | |
5555 | \f | |
5556 | /* Pseudo-ops handled for MRI compatibility. */ | |
5557 | ||
5558 | /* This function returns non-zero if the argument is a conditional | |
5559 | pseudo-op. This is called when checking whether a pending | |
5560 | alignment is needed. */ | |
5561 | ||
5562 | int | |
32e4c1c2 | 5563 | m68k_conditional_pseudoop (const pseudo_typeS *pop) |
252b5132 RH |
5564 | { |
5565 | return (pop->poc_handler == s_mri_if | |
5566 | || pop->poc_handler == s_mri_else); | |
5567 | } | |
5568 | ||
5569 | /* Handle an MRI style chip specification. */ | |
5570 | ||
5571 | static void | |
31302357 | 5572 | mri_chip (void) |
252b5132 RH |
5573 | { |
5574 | char *s; | |
5575 | char c; | |
5576 | int i; | |
5577 | ||
5578 | s = input_line_pointer; | |
d02603dc | 5579 | /* We can't use get_symbol_name since the processor names are not proper |
252b5132 RH |
5580 | symbols. */ |
5581 | while (is_part_of_name (c = *input_line_pointer++)) | |
5582 | ; | |
5583 | *--input_line_pointer = 0; | |
266abb8f NS |
5584 | for (i = 0; m68k_cpus[i].name; i++) |
5585 | if (strcasecmp (s, m68k_cpus[i].name) == 0) | |
252b5132 | 5586 | break; |
266abb8f | 5587 | if (!m68k_cpus[i].name) |
252b5132 RH |
5588 | { |
5589 | as_bad (_("%s: unrecognized processor name"), s); | |
5590 | *input_line_pointer = c; | |
5591 | ignore_rest_of_line (); | |
5592 | return; | |
5593 | } | |
5594 | *input_line_pointer = c; | |
5595 | ||
5596 | if (*input_line_pointer == '/') | |
5597 | current_architecture = 0; | |
5598 | else | |
5599 | current_architecture &= m68881 | m68851; | |
266abb8f | 5600 | current_architecture |= m68k_cpus[i].arch & ~(m68881 | m68851); |
2da12c60 | 5601 | control_regs = m68k_cpus[i].control_regs; |
252b5132 RH |
5602 | |
5603 | while (*input_line_pointer == '/') | |
5604 | { | |
5605 | ++input_line_pointer; | |
5606 | s = input_line_pointer; | |
d02603dc | 5607 | /* We can't use get_symbol_name since the processor names are not |
252b5132 RH |
5608 | proper symbols. */ |
5609 | while (is_part_of_name (c = *input_line_pointer++)) | |
5610 | ; | |
5611 | *--input_line_pointer = 0; | |
5612 | if (strcmp (s, "68881") == 0) | |
5613 | current_architecture |= m68881; | |
5614 | else if (strcmp (s, "68851") == 0) | |
5615 | current_architecture |= m68851; | |
5616 | *input_line_pointer = c; | |
5617 | } | |
252b5132 RH |
5618 | } |
5619 | ||
5620 | /* The MRI CHIP pseudo-op. */ | |
5621 | ||
5622 | static void | |
31302357 | 5623 | s_chip (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5624 | { |
5625 | char *stop = NULL; | |
5626 | char stopc; | |
5627 | ||
5628 | if (flag_mri) | |
5629 | stop = mri_comment_field (&stopc); | |
5630 | mri_chip (); | |
5631 | if (flag_mri) | |
5632 | mri_comment_end (stop, stopc); | |
5633 | demand_empty_rest_of_line (); | |
5634 | } | |
5635 | ||
5636 | /* The MRI FOPT pseudo-op. */ | |
5637 | ||
5638 | static void | |
31302357 | 5639 | s_fopt (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5640 | { |
5641 | SKIP_WHITESPACE (); | |
5642 | ||
5643 | if (strncasecmp (input_line_pointer, "ID=", 3) == 0) | |
5644 | { | |
5645 | int temp; | |
5646 | ||
5647 | input_line_pointer += 3; | |
5648 | temp = get_absolute_expression (); | |
5649 | if (temp < 0 || temp > 7) | |
5650 | as_bad (_("bad coprocessor id")); | |
5651 | else | |
5652 | m68k_float_copnum = COP0 + temp; | |
5653 | } | |
5654 | else | |
5655 | { | |
5656 | as_bad (_("unrecognized fopt option")); | |
5657 | ignore_rest_of_line (); | |
5658 | return; | |
5659 | } | |
5660 | ||
5661 | demand_empty_rest_of_line (); | |
5662 | } | |
5663 | ||
5664 | /* The structure used to handle the MRI OPT pseudo-op. */ | |
5665 | ||
5666 | struct opt_action | |
5667 | { | |
5668 | /* The name of the option. */ | |
5669 | const char *name; | |
5670 | ||
5671 | /* If this is not NULL, just call this function. The first argument | |
5672 | is the ARG field of this structure, the second argument is | |
5673 | whether the option was negated. */ | |
31302357 | 5674 | void (*pfn) (int arg, int on); |
252b5132 RH |
5675 | |
5676 | /* If this is not NULL, and the PFN field is NULL, set the variable | |
5677 | this points to. Set it to the ARG field if the option was not | |
5678 | negated, and the NOTARG field otherwise. */ | |
5679 | int *pvar; | |
5680 | ||
5681 | /* The value to pass to PFN or to assign to *PVAR. */ | |
5682 | int arg; | |
5683 | ||
5684 | /* The value to assign to *PVAR if the option is negated. If PFN is | |
5685 | NULL, and PVAR is not NULL, and ARG and NOTARG are the same, then | |
5686 | the option may not be negated. */ | |
5687 | int notarg; | |
5688 | }; | |
5689 | ||
5690 | /* The table used to handle the MRI OPT pseudo-op. */ | |
5691 | ||
31302357 AS |
5692 | static void skip_to_comma (int, int); |
5693 | static void opt_nest (int, int); | |
5694 | static void opt_chip (int, int); | |
5695 | static void opt_list (int, int); | |
5696 | static void opt_list_symbols (int, int); | |
252b5132 RH |
5697 | |
5698 | static const struct opt_action opt_table[] = | |
5699 | { | |
5700 | { "abspcadd", 0, &m68k_abspcadd, 1, 0 }, | |
5701 | ||
5702 | /* We do relaxing, so there is little use for these options. */ | |
5703 | { "b", 0, 0, 0, 0 }, | |
5704 | { "brs", 0, 0, 0, 0 }, | |
5705 | { "brb", 0, 0, 0, 0 }, | |
5706 | { "brl", 0, 0, 0, 0 }, | |
5707 | { "brw", 0, 0, 0, 0 }, | |
5708 | ||
5709 | { "c", 0, 0, 0, 0 }, | |
5710 | { "cex", 0, 0, 0, 0 }, | |
5711 | { "case", 0, &symbols_case_sensitive, 1, 0 }, | |
5712 | { "cl", 0, 0, 0, 0 }, | |
5713 | { "cre", 0, 0, 0, 0 }, | |
5714 | { "d", 0, &flag_keep_locals, 1, 0 }, | |
5715 | { "e", 0, 0, 0, 0 }, | |
5716 | { "f", 0, &flag_short_refs, 1, 0 }, | |
5717 | { "frs", 0, &flag_short_refs, 1, 0 }, | |
5718 | { "frl", 0, &flag_short_refs, 0, 1 }, | |
5719 | { "g", 0, 0, 0, 0 }, | |
5720 | { "i", 0, 0, 0, 0 }, | |
5721 | { "m", 0, 0, 0, 0 }, | |
5722 | { "mex", 0, 0, 0, 0 }, | |
5723 | { "mc", 0, 0, 0, 0 }, | |
5724 | { "md", 0, 0, 0, 0 }, | |
5725 | { "nest", opt_nest, 0, 0, 0 }, | |
5726 | { "next", skip_to_comma, 0, 0, 0 }, | |
5727 | { "o", 0, 0, 0, 0 }, | |
5728 | { "old", 0, 0, 0, 0 }, | |
5729 | { "op", skip_to_comma, 0, 0, 0 }, | |
5730 | { "pco", 0, 0, 0, 0 }, | |
5731 | { "p", opt_chip, 0, 0, 0 }, | |
5732 | { "pcr", 0, 0, 0, 0 }, | |
5733 | { "pcs", 0, 0, 0, 0 }, | |
5734 | { "r", 0, 0, 0, 0 }, | |
5735 | { "quick", 0, &m68k_quick, 1, 0 }, | |
5736 | { "rel32", 0, &m68k_rel32, 1, 0 }, | |
5737 | { "s", opt_list, 0, 0, 0 }, | |
5738 | { "t", opt_list_symbols, 0, 0, 0 }, | |
5739 | { "w", 0, &flag_no_warnings, 0, 1 }, | |
5740 | { "x", 0, 0, 0, 0 } | |
5741 | }; | |
5742 | ||
8fce3f5e | 5743 | #define OPTCOUNT ((int) (sizeof opt_table / sizeof opt_table[0])) |
252b5132 RH |
5744 | |
5745 | /* The MRI OPT pseudo-op. */ | |
5746 | ||
5747 | static void | |
31302357 | 5748 | s_opt (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5749 | { |
5750 | do | |
5751 | { | |
5752 | int t; | |
5753 | char *s; | |
5754 | char c; | |
5755 | int i; | |
5756 | const struct opt_action *o; | |
5757 | ||
5758 | SKIP_WHITESPACE (); | |
5759 | ||
5760 | t = 1; | |
5761 | if (*input_line_pointer == '-') | |
5762 | { | |
5763 | ++input_line_pointer; | |
5764 | t = 0; | |
5765 | } | |
5766 | else if (strncasecmp (input_line_pointer, "NO", 2) == 0) | |
5767 | { | |
5768 | input_line_pointer += 2; | |
5769 | t = 0; | |
5770 | } | |
5771 | ||
d02603dc | 5772 | c = get_symbol_name (&s); |
252b5132 RH |
5773 | |
5774 | for (i = 0, o = opt_table; i < OPTCOUNT; i++, o++) | |
5775 | { | |
5776 | if (strcasecmp (s, o->name) == 0) | |
5777 | { | |
5778 | if (o->pfn) | |
5779 | { | |
5780 | /* Restore input_line_pointer now in case the option | |
5781 | takes arguments. */ | |
d02603dc | 5782 | (void) restore_line_pointer (c); |
252b5132 RH |
5783 | (*o->pfn) (o->arg, t); |
5784 | } | |
5785 | else if (o->pvar != NULL) | |
5786 | { | |
5787 | if (! t && o->arg == o->notarg) | |
5788 | as_bad (_("option `%s' may not be negated"), s); | |
d02603dc | 5789 | restore_line_pointer (c); |
252b5132 RH |
5790 | *o->pvar = t ? o->arg : o->notarg; |
5791 | } | |
5792 | else | |
5793 | *input_line_pointer = c; | |
5794 | break; | |
5795 | } | |
5796 | } | |
5797 | if (i >= OPTCOUNT) | |
5798 | { | |
5799 | as_bad (_("option `%s' not recognized"), s); | |
d02603dc | 5800 | restore_line_pointer (c); |
252b5132 RH |
5801 | } |
5802 | } | |
5803 | while (*input_line_pointer++ == ','); | |
5804 | ||
5805 | /* Move back to terminating character. */ | |
5806 | --input_line_pointer; | |
5807 | demand_empty_rest_of_line (); | |
5808 | } | |
5809 | ||
5810 | /* Skip ahead to a comma. This is used for OPT options which we do | |
67c1ffbe | 5811 | not support and which take arguments. */ |
252b5132 RH |
5812 | |
5813 | static void | |
31302357 | 5814 | skip_to_comma (int arg ATTRIBUTE_UNUSED, int on ATTRIBUTE_UNUSED) |
252b5132 RH |
5815 | { |
5816 | while (*input_line_pointer != ',' | |
5817 | && ! is_end_of_line[(unsigned char) *input_line_pointer]) | |
5818 | ++input_line_pointer; | |
5819 | } | |
5820 | ||
5821 | /* Handle the OPT NEST=depth option. */ | |
5822 | ||
5823 | static void | |
31302357 | 5824 | opt_nest (int arg ATTRIBUTE_UNUSED, int on ATTRIBUTE_UNUSED) |
252b5132 RH |
5825 | { |
5826 | if (*input_line_pointer != '=') | |
5827 | { | |
5828 | as_bad (_("bad format of OPT NEST=depth")); | |
5829 | return; | |
5830 | } | |
5831 | ||
5832 | ++input_line_pointer; | |
5833 | max_macro_nest = get_absolute_expression (); | |
5834 | } | |
5835 | ||
5836 | /* Handle the OPT P=chip option. */ | |
5837 | ||
5838 | static void | |
31302357 | 5839 | opt_chip (int arg ATTRIBUTE_UNUSED, int on ATTRIBUTE_UNUSED) |
252b5132 RH |
5840 | { |
5841 | if (*input_line_pointer != '=') | |
5842 | { | |
5843 | /* This is just OPT P, which we do not support. */ | |
5844 | return; | |
5845 | } | |
5846 | ||
5847 | ++input_line_pointer; | |
5848 | mri_chip (); | |
5849 | } | |
5850 | ||
5851 | /* Handle the OPT S option. */ | |
5852 | ||
5853 | static void | |
31302357 | 5854 | opt_list (int arg ATTRIBUTE_UNUSED, int on) |
252b5132 RH |
5855 | { |
5856 | listing_list (on); | |
5857 | } | |
5858 | ||
5859 | /* Handle the OPT T option. */ | |
5860 | ||
5861 | static void | |
31302357 | 5862 | opt_list_symbols (int arg ATTRIBUTE_UNUSED, int on) |
252b5132 RH |
5863 | { |
5864 | if (on) | |
5865 | listing |= LISTING_SYMBOLS; | |
5866 | else | |
8a104df9 | 5867 | listing &= ~LISTING_SYMBOLS; |
252b5132 RH |
5868 | } |
5869 | ||
5870 | /* Handle the MRI REG pseudo-op. */ | |
5871 | ||
5872 | static void | |
31302357 | 5873 | s_reg (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5874 | { |
5875 | char *s; | |
5876 | int c; | |
5877 | struct m68k_op rop; | |
5878 | int mask; | |
5879 | char *stop = NULL; | |
5880 | char stopc; | |
5881 | ||
5882 | if (line_label == NULL) | |
5883 | { | |
5884 | as_bad (_("missing label")); | |
5885 | ignore_rest_of_line (); | |
5886 | return; | |
5887 | } | |
5888 | ||
5889 | if (flag_mri) | |
5890 | stop = mri_comment_field (&stopc); | |
5891 | ||
5892 | SKIP_WHITESPACE (); | |
5893 | ||
5894 | s = input_line_pointer; | |
3882b010 | 5895 | while (ISALNUM (*input_line_pointer) |
252b5132 RH |
5896 | #ifdef REGISTER_PREFIX |
5897 | || *input_line_pointer == REGISTER_PREFIX | |
5898 | #endif | |
5899 | || *input_line_pointer == '/' | |
5900 | || *input_line_pointer == '-') | |
5901 | ++input_line_pointer; | |
5902 | c = *input_line_pointer; | |
5903 | *input_line_pointer = '\0'; | |
5904 | ||
5905 | if (m68k_ip_op (s, &rop) != 0) | |
5906 | { | |
5907 | if (rop.error == NULL) | |
5908 | as_bad (_("bad register list")); | |
5909 | else | |
5910 | as_bad (_("bad register list: %s"), rop.error); | |
5911 | *input_line_pointer = c; | |
5912 | ignore_rest_of_line (); | |
5913 | return; | |
5914 | } | |
5915 | ||
5916 | *input_line_pointer = c; | |
5917 | ||
5918 | if (rop.mode == REGLST) | |
5919 | mask = rop.mask; | |
5920 | else if (rop.mode == DREG) | |
5921 | mask = 1 << (rop.reg - DATA0); | |
5922 | else if (rop.mode == AREG) | |
5923 | mask = 1 << (rop.reg - ADDR0 + 8); | |
5924 | else if (rop.mode == FPREG) | |
5925 | mask = 1 << (rop.reg - FP0 + 16); | |
5926 | else if (rop.mode == CONTROL | |
5927 | && rop.reg == FPI) | |
5928 | mask = 1 << 24; | |
5929 | else if (rop.mode == CONTROL | |
5930 | && rop.reg == FPS) | |
5931 | mask = 1 << 25; | |
5932 | else if (rop.mode == CONTROL | |
5933 | && rop.reg == FPC) | |
5934 | mask = 1 << 26; | |
5935 | else | |
5936 | { | |
5937 | as_bad (_("bad register list")); | |
5938 | ignore_rest_of_line (); | |
5939 | return; | |
5940 | } | |
5941 | ||
5942 | S_SET_SEGMENT (line_label, reg_section); | |
5943 | S_SET_VALUE (line_label, ~mask); | |
49309057 | 5944 | symbol_set_frag (line_label, &zero_address_frag); |
252b5132 RH |
5945 | |
5946 | if (flag_mri) | |
5947 | mri_comment_end (stop, stopc); | |
5948 | ||
5949 | demand_empty_rest_of_line (); | |
5950 | } | |
5951 | ||
5952 | /* This structure is used for the MRI SAVE and RESTORE pseudo-ops. */ | |
5953 | ||
5954 | struct save_opts | |
5955 | { | |
5956 | struct save_opts *next; | |
5957 | int abspcadd; | |
5958 | int symbols_case_sensitive; | |
5959 | int keep_locals; | |
5960 | int short_refs; | |
5961 | int architecture; | |
2da12c60 | 5962 | const enum m68k_register *control_regs; |
252b5132 RH |
5963 | int quick; |
5964 | int rel32; | |
5965 | int listing; | |
5966 | int no_warnings; | |
5967 | /* FIXME: We don't save OPT S. */ | |
5968 | }; | |
5969 | ||
5970 | /* This variable holds the stack of saved options. */ | |
5971 | ||
5972 | static struct save_opts *save_stack; | |
5973 | ||
5974 | /* The MRI SAVE pseudo-op. */ | |
5975 | ||
5976 | static void | |
31302357 | 5977 | s_save (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5978 | { |
5979 | struct save_opts *s; | |
5980 | ||
add39d23 | 5981 | s = XNEW (struct save_opts); |
252b5132 RH |
5982 | s->abspcadd = m68k_abspcadd; |
5983 | s->symbols_case_sensitive = symbols_case_sensitive; | |
5984 | s->keep_locals = flag_keep_locals; | |
5985 | s->short_refs = flag_short_refs; | |
5986 | s->architecture = current_architecture; | |
2da12c60 | 5987 | s->control_regs = control_regs; |
252b5132 RH |
5988 | s->quick = m68k_quick; |
5989 | s->rel32 = m68k_rel32; | |
5990 | s->listing = listing; | |
5991 | s->no_warnings = flag_no_warnings; | |
5992 | ||
5993 | s->next = save_stack; | |
5994 | save_stack = s; | |
5995 | ||
5996 | demand_empty_rest_of_line (); | |
5997 | } | |
5998 | ||
5999 | /* The MRI RESTORE pseudo-op. */ | |
6000 | ||
6001 | static void | |
31302357 | 6002 | s_restore (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
6003 | { |
6004 | struct save_opts *s; | |
6005 | ||
6006 | if (save_stack == NULL) | |
6007 | { | |
6008 | as_bad (_("restore without save")); | |
6009 | ignore_rest_of_line (); | |
6010 | return; | |
6011 | } | |
6012 | ||
6013 | s = save_stack; | |
6014 | save_stack = s->next; | |
6015 | ||
6016 | m68k_abspcadd = s->abspcadd; | |
6017 | symbols_case_sensitive = s->symbols_case_sensitive; | |
6018 | flag_keep_locals = s->keep_locals; | |
6019 | flag_short_refs = s->short_refs; | |
6020 | current_architecture = s->architecture; | |
2da12c60 | 6021 | control_regs = s->control_regs; |
252b5132 RH |
6022 | m68k_quick = s->quick; |
6023 | m68k_rel32 = s->rel32; | |
6024 | listing = s->listing; | |
6025 | flag_no_warnings = s->no_warnings; | |
6026 | ||
6027 | free (s); | |
6028 | ||
6029 | demand_empty_rest_of_line (); | |
6030 | } | |
6031 | ||
6032 | /* Types of MRI structured control directives. */ | |
6033 | ||
6034 | enum mri_control_type | |
6035 | { | |
6036 | mri_for, | |
6037 | mri_if, | |
6038 | mri_repeat, | |
6039 | mri_while | |
6040 | }; | |
6041 | ||
6042 | /* This structure is used to stack the MRI structured control | |
6043 | directives. */ | |
6044 | ||
6045 | struct mri_control_info | |
6046 | { | |
6047 | /* The directive within which this one is enclosed. */ | |
6048 | struct mri_control_info *outer; | |
6049 | ||
6050 | /* The type of directive. */ | |
6051 | enum mri_control_type type; | |
6052 | ||
6053 | /* Whether an ELSE has been in an IF. */ | |
6054 | int else_seen; | |
6055 | ||
6056 | /* The add or sub statement at the end of a FOR. */ | |
6057 | char *incr; | |
6058 | ||
6059 | /* The label of the top of a FOR or REPEAT loop. */ | |
6060 | char *top; | |
6061 | ||
6062 | /* The label to jump to for the next iteration, or the else | |
6063 | expression of a conditional. */ | |
6064 | char *next; | |
6065 | ||
6066 | /* The label to jump to to break out of the loop, or the label past | |
6067 | the end of a conditional. */ | |
6068 | char *bottom; | |
6069 | }; | |
6070 | ||
6071 | /* The stack of MRI structured control directives. */ | |
6072 | ||
6073 | static struct mri_control_info *mri_control_stack; | |
6074 | ||
6075 | /* The current MRI structured control directive index number, used to | |
6076 | generate label names. */ | |
6077 | ||
6078 | static int mri_control_index; | |
6079 | ||
252b5132 RH |
6080 | /* Assemble an instruction for an MRI structured control directive. */ |
6081 | ||
6082 | static void | |
31302357 | 6083 | mri_assemble (char *str) |
252b5132 RH |
6084 | { |
6085 | char *s; | |
6086 | ||
6087 | /* md_assemble expects the opcode to be in lower case. */ | |
6088 | for (s = str; *s != ' ' && *s != '\0'; s++) | |
3882b010 | 6089 | *s = TOLOWER (*s); |
252b5132 RH |
6090 | |
6091 | md_assemble (str); | |
6092 | } | |
6093 | ||
6094 | /* Generate a new MRI label structured control directive label name. */ | |
6095 | ||
6096 | static char * | |
31302357 | 6097 | mri_control_label (void) |
252b5132 RH |
6098 | { |
6099 | char *n; | |
6100 | ||
add39d23 | 6101 | n = XNEWVEC (char, 20); |
252b5132 RH |
6102 | sprintf (n, "%smc%d", FAKE_LABEL_NAME, mri_control_index); |
6103 | ++mri_control_index; | |
6104 | return n; | |
6105 | } | |
6106 | ||
6107 | /* Create a new MRI structured control directive. */ | |
6108 | ||
6109 | static struct mri_control_info * | |
31302357 | 6110 | push_mri_control (enum mri_control_type type) |
252b5132 RH |
6111 | { |
6112 | struct mri_control_info *n; | |
6113 | ||
add39d23 | 6114 | n = XNEW (struct mri_control_info); |
252b5132 RH |
6115 | |
6116 | n->type = type; | |
6117 | n->else_seen = 0; | |
6118 | if (type == mri_if || type == mri_while) | |
6119 | n->top = NULL; | |
6120 | else | |
6121 | n->top = mri_control_label (); | |
6122 | n->next = mri_control_label (); | |
6123 | n->bottom = mri_control_label (); | |
6124 | ||
6125 | n->outer = mri_control_stack; | |
6126 | mri_control_stack = n; | |
6127 | ||
6128 | return n; | |
6129 | } | |
6130 | ||
6131 | /* Pop off the stack of MRI structured control directives. */ | |
6132 | ||
6133 | static void | |
31302357 | 6134 | pop_mri_control (void) |
252b5132 RH |
6135 | { |
6136 | struct mri_control_info *n; | |
6137 | ||
6138 | n = mri_control_stack; | |
6139 | mri_control_stack = n->outer; | |
9fbb53c7 | 6140 | free (n->top); |
252b5132 RH |
6141 | free (n->next); |
6142 | free (n->bottom); | |
6143 | free (n); | |
6144 | } | |
6145 | ||
6146 | /* Recognize a condition code in an MRI structured control expression. */ | |
6147 | ||
6148 | static int | |
31302357 | 6149 | parse_mri_condition (int *pcc) |
252b5132 RH |
6150 | { |
6151 | char c1, c2; | |
6152 | ||
6153 | know (*input_line_pointer == '<'); | |
6154 | ||
6155 | ++input_line_pointer; | |
6156 | c1 = *input_line_pointer++; | |
6157 | c2 = *input_line_pointer++; | |
6158 | ||
6159 | if (*input_line_pointer != '>') | |
6160 | { | |
6161 | as_bad (_("syntax error in structured control directive")); | |
6162 | return 0; | |
6163 | } | |
6164 | ||
6165 | ++input_line_pointer; | |
6166 | SKIP_WHITESPACE (); | |
6167 | ||
3882b010 L |
6168 | c1 = TOLOWER (c1); |
6169 | c2 = TOLOWER (c2); | |
252b5132 RH |
6170 | |
6171 | *pcc = (c1 << 8) | c2; | |
6172 | ||
6173 | return 1; | |
6174 | } | |
6175 | ||
6176 | /* Parse a single operand in an MRI structured control expression. */ | |
6177 | ||
6178 | static int | |
31302357 AS |
6179 | parse_mri_control_operand (int *pcc, char **leftstart, char **leftstop, |
6180 | char **rightstart, char **rightstop) | |
252b5132 RH |
6181 | { |
6182 | char *s; | |
6183 | ||
6184 | SKIP_WHITESPACE (); | |
6185 | ||
6186 | *pcc = -1; | |
6187 | *leftstart = NULL; | |
6188 | *leftstop = NULL; | |
6189 | *rightstart = NULL; | |
6190 | *rightstop = NULL; | |
6191 | ||
6192 | if (*input_line_pointer == '<') | |
6193 | { | |
6194 | /* It's just a condition code. */ | |
6195 | return parse_mri_condition (pcc); | |
6196 | } | |
6197 | ||
6198 | /* Look ahead for the condition code. */ | |
6199 | for (s = input_line_pointer; *s != '\0'; ++s) | |
6200 | { | |
6201 | if (*s == '<' && s[1] != '\0' && s[2] != '\0' && s[3] == '>') | |
6202 | break; | |
6203 | } | |
6204 | if (*s == '\0') | |
6205 | { | |
6206 | as_bad (_("missing condition code in structured control directive")); | |
6207 | return 0; | |
6208 | } | |
6209 | ||
6210 | *leftstart = input_line_pointer; | |
6211 | *leftstop = s; | |
6212 | if (*leftstop > *leftstart | |
6213 | && ((*leftstop)[-1] == ' ' || (*leftstop)[-1] == '\t')) | |
6214 | --*leftstop; | |
6215 | ||
6216 | input_line_pointer = s; | |
6217 | if (! parse_mri_condition (pcc)) | |
6218 | return 0; | |
6219 | ||
6220 | /* Look ahead for AND or OR or end of line. */ | |
6221 | for (s = input_line_pointer; *s != '\0'; ++s) | |
6222 | { | |
e1f44d10 NC |
6223 | /* We must make sure we don't misinterpret AND/OR at the end of labels! |
6224 | if d0 <eq> #FOOAND and d1 <ne> #BAROR then | |
6225 | ^^^ ^^ */ | |
8a104df9 KH |
6226 | if ((s == input_line_pointer |
6227 | || *(s-1) == ' ' | |
6228 | || *(s-1) == '\t') | |
6229 | && ((strncasecmp (s, "AND", 3) == 0 | |
6230 | && (s[3] == '.' || ! is_part_of_name (s[3]))) | |
6231 | || (strncasecmp (s, "OR", 2) == 0 | |
6232 | && (s[2] == '.' || ! is_part_of_name (s[2]))))) | |
6233 | break; | |
252b5132 RH |
6234 | } |
6235 | ||
6236 | *rightstart = input_line_pointer; | |
6237 | *rightstop = s; | |
6238 | if (*rightstop > *rightstart | |
6239 | && ((*rightstop)[-1] == ' ' || (*rightstop)[-1] == '\t')) | |
6240 | --*rightstop; | |
6241 | ||
6242 | input_line_pointer = s; | |
6243 | ||
6244 | return 1; | |
6245 | } | |
6246 | ||
6247 | #define MCC(b1, b2) (((b1) << 8) | (b2)) | |
6248 | ||
6249 | /* Swap the sense of a condition. This changes the condition so that | |
6250 | it generates the same result when the operands are swapped. */ | |
6251 | ||
6252 | static int | |
31302357 | 6253 | swap_mri_condition (int cc) |
252b5132 RH |
6254 | { |
6255 | switch (cc) | |
6256 | { | |
6257 | case MCC ('h', 'i'): return MCC ('c', 's'); | |
6258 | case MCC ('l', 's'): return MCC ('c', 'c'); | |
36759679 | 6259 | /* <HS> is an alias for <CC>. */ |
e1f44d10 | 6260 | case MCC ('h', 's'): |
252b5132 | 6261 | case MCC ('c', 'c'): return MCC ('l', 's'); |
36759679 | 6262 | /* <LO> is an alias for <CS>. */ |
e1f44d10 | 6263 | case MCC ('l', 'o'): |
252b5132 RH |
6264 | case MCC ('c', 's'): return MCC ('h', 'i'); |
6265 | case MCC ('p', 'l'): return MCC ('m', 'i'); | |
6266 | case MCC ('m', 'i'): return MCC ('p', 'l'); | |
6267 | case MCC ('g', 'e'): return MCC ('l', 'e'); | |
6268 | case MCC ('l', 't'): return MCC ('g', 't'); | |
6269 | case MCC ('g', 't'): return MCC ('l', 't'); | |
6270 | case MCC ('l', 'e'): return MCC ('g', 'e'); | |
36759679 | 6271 | /* Issue a warning for conditions we can not swap. */ |
8fc4ee9b AM |
6272 | case MCC ('n', 'e'): return MCC ('n', 'e'); /* no problem here */ |
6273 | case MCC ('e', 'q'): return MCC ('e', 'q'); /* also no problem */ | |
e1f44d10 NC |
6274 | case MCC ('v', 'c'): |
6275 | case MCC ('v', 's'): | |
6276 | default : | |
6277 | as_warn (_("Condition <%c%c> in structured control directive can not be encoded correctly"), | |
6278 | (char) (cc >> 8), (char) (cc)); | |
6279 | break; | |
252b5132 RH |
6280 | } |
6281 | return cc; | |
6282 | } | |
6283 | ||
6284 | /* Reverse the sense of a condition. */ | |
6285 | ||
6286 | static int | |
31302357 | 6287 | reverse_mri_condition (int cc) |
252b5132 RH |
6288 | { |
6289 | switch (cc) | |
6290 | { | |
6291 | case MCC ('h', 'i'): return MCC ('l', 's'); | |
6292 | case MCC ('l', 's'): return MCC ('h', 'i'); | |
e1f44d10 NC |
6293 | /* <HS> is an alias for <CC> */ |
6294 | case MCC ('h', 's'): return MCC ('l', 'o'); | |
252b5132 | 6295 | case MCC ('c', 'c'): return MCC ('c', 's'); |
e1f44d10 NC |
6296 | /* <LO> is an alias for <CS> */ |
6297 | case MCC ('l', 'o'): return MCC ('h', 's'); | |
252b5132 RH |
6298 | case MCC ('c', 's'): return MCC ('c', 'c'); |
6299 | case MCC ('n', 'e'): return MCC ('e', 'q'); | |
6300 | case MCC ('e', 'q'): return MCC ('n', 'e'); | |
6301 | case MCC ('v', 'c'): return MCC ('v', 's'); | |
6302 | case MCC ('v', 's'): return MCC ('v', 'c'); | |
6303 | case MCC ('p', 'l'): return MCC ('m', 'i'); | |
6304 | case MCC ('m', 'i'): return MCC ('p', 'l'); | |
6305 | case MCC ('g', 'e'): return MCC ('l', 't'); | |
6306 | case MCC ('l', 't'): return MCC ('g', 'e'); | |
6307 | case MCC ('g', 't'): return MCC ('l', 'e'); | |
6308 | case MCC ('l', 'e'): return MCC ('g', 't'); | |
6309 | } | |
6310 | return cc; | |
6311 | } | |
6312 | ||
6313 | /* Build an MRI structured control expression. This generates test | |
6314 | and branch instructions. It goes to TRUELAB if the condition is | |
6315 | true, and to FALSELAB if the condition is false. Exactly one of | |
6316 | TRUELAB and FALSELAB will be NULL, meaning to fall through. QUAL | |
6317 | is the size qualifier for the expression. EXTENT is the size to | |
6318 | use for the branch. */ | |
6319 | ||
6320 | static void | |
31302357 AS |
6321 | build_mri_control_operand (int qual, int cc, char *leftstart, char *leftstop, |
6322 | char *rightstart, char *rightstop, | |
6323 | const char *truelab, const char *falselab, | |
6324 | int extent) | |
252b5132 RH |
6325 | { |
6326 | char *buf; | |
6327 | char *s; | |
6328 | ||
6329 | if (leftstart != NULL) | |
6330 | { | |
6331 | struct m68k_op leftop, rightop; | |
6332 | char c; | |
6333 | ||
6334 | /* Swap the compare operands, if necessary, to produce a legal | |
6335 | m68k compare instruction. Comparing a register operand with | |
6336 | a non-register operand requires the register to be on the | |
6337 | right (cmp, cmpa). Comparing an immediate value with | |
6338 | anything requires the immediate value to be on the left | |
6339 | (cmpi). */ | |
6340 | ||
6341 | c = *leftstop; | |
6342 | *leftstop = '\0'; | |
6343 | (void) m68k_ip_op (leftstart, &leftop); | |
6344 | *leftstop = c; | |
6345 | ||
6346 | c = *rightstop; | |
6347 | *rightstop = '\0'; | |
6348 | (void) m68k_ip_op (rightstart, &rightop); | |
6349 | *rightstop = c; | |
6350 | ||
6351 | if (rightop.mode == IMMED | |
6352 | || ((leftop.mode == DREG || leftop.mode == AREG) | |
6353 | && (rightop.mode != DREG && rightop.mode != AREG))) | |
6354 | { | |
6355 | char *temp; | |
6356 | ||
31302357 AS |
6357 | /* Correct conditional handling: |
6358 | if #1 <lt> d0 then ;means if (1 < d0) | |
6359 | ... | |
6360 | endi | |
e1f44d10 | 6361 | |
31302357 | 6362 | should assemble to: |
e1f44d10 | 6363 | |
31302357 AS |
6364 | cmp #1,d0 if we do *not* swap the operands |
6365 | bgt true we need the swapped condition! | |
6366 | ble false | |
6367 | true: | |
6368 | ... | |
6369 | false: | |
6370 | */ | |
252b5132 RH |
6371 | temp = leftstart; |
6372 | leftstart = rightstart; | |
6373 | rightstart = temp; | |
6374 | temp = leftstop; | |
6375 | leftstop = rightstop; | |
6376 | rightstop = temp; | |
8a104df9 KH |
6377 | } |
6378 | else | |
6379 | { | |
e1f44d10 | 6380 | cc = swap_mri_condition (cc); |
252b5132 RH |
6381 | } |
6382 | } | |
6383 | ||
6384 | if (truelab == NULL) | |
6385 | { | |
6386 | cc = reverse_mri_condition (cc); | |
6387 | truelab = falselab; | |
6388 | } | |
92774660 | 6389 | |
252b5132 RH |
6390 | if (leftstart != NULL) |
6391 | { | |
add39d23 TS |
6392 | buf = XNEWVEC (char, (20 |
6393 | + (leftstop - leftstart) | |
6394 | + (rightstop - rightstart))); | |
252b5132 RH |
6395 | s = buf; |
6396 | *s++ = 'c'; | |
6397 | *s++ = 'm'; | |
6398 | *s++ = 'p'; | |
6399 | if (qual != '\0') | |
3882b010 | 6400 | *s++ = TOLOWER (qual); |
252b5132 RH |
6401 | *s++ = ' '; |
6402 | memcpy (s, leftstart, leftstop - leftstart); | |
6403 | s += leftstop - leftstart; | |
6404 | *s++ = ','; | |
6405 | memcpy (s, rightstart, rightstop - rightstart); | |
6406 | s += rightstop - rightstart; | |
6407 | *s = '\0'; | |
6408 | mri_assemble (buf); | |
6409 | free (buf); | |
6410 | } | |
92774660 | 6411 | |
add39d23 | 6412 | buf = XNEWVEC (char, 20 + strlen (truelab)); |
252b5132 RH |
6413 | s = buf; |
6414 | *s++ = 'b'; | |
6415 | *s++ = cc >> 8; | |
6416 | *s++ = cc & 0xff; | |
6417 | if (extent != '\0') | |
3882b010 | 6418 | *s++ = TOLOWER (extent); |
252b5132 RH |
6419 | *s++ = ' '; |
6420 | strcpy (s, truelab); | |
6421 | mri_assemble (buf); | |
6422 | free (buf); | |
6423 | } | |
6424 | ||
6425 | /* Parse an MRI structured control expression. This generates test | |
6426 | and branch instructions. STOP is where the expression ends. It | |
6427 | goes to TRUELAB if the condition is true, and to FALSELAB if the | |
6428 | condition is false. Exactly one of TRUELAB and FALSELAB will be | |
6429 | NULL, meaning to fall through. QUAL is the size qualifier for the | |
6430 | expression. EXTENT is the size to use for the branch. */ | |
6431 | ||
6432 | static void | |
31302357 AS |
6433 | parse_mri_control_expression (char *stop, int qual, const char *truelab, |
6434 | const char *falselab, int extent) | |
252b5132 RH |
6435 | { |
6436 | int c; | |
6437 | int cc; | |
6438 | char *leftstart; | |
6439 | char *leftstop; | |
6440 | char *rightstart; | |
6441 | char *rightstop; | |
6442 | ||
6443 | c = *stop; | |
6444 | *stop = '\0'; | |
6445 | ||
6446 | if (! parse_mri_control_operand (&cc, &leftstart, &leftstop, | |
6447 | &rightstart, &rightstop)) | |
6448 | { | |
6449 | *stop = c; | |
6450 | return; | |
6451 | } | |
6452 | ||
6453 | if (strncasecmp (input_line_pointer, "AND", 3) == 0) | |
6454 | { | |
6455 | const char *flab; | |
6456 | ||
6457 | if (falselab != NULL) | |
6458 | flab = falselab; | |
6459 | else | |
6460 | flab = mri_control_label (); | |
6461 | ||
6462 | build_mri_control_operand (qual, cc, leftstart, leftstop, rightstart, | |
6463 | rightstop, (const char *) NULL, flab, extent); | |
6464 | ||
6465 | input_line_pointer += 3; | |
6466 | if (*input_line_pointer != '.' | |
6467 | || input_line_pointer[1] == '\0') | |
6468 | qual = '\0'; | |
6469 | else | |
6470 | { | |
6471 | qual = input_line_pointer[1]; | |
6472 | input_line_pointer += 2; | |
6473 | } | |
6474 | ||
6475 | if (! parse_mri_control_operand (&cc, &leftstart, &leftstop, | |
6476 | &rightstart, &rightstop)) | |
6477 | { | |
6478 | *stop = c; | |
6479 | return; | |
6480 | } | |
6481 | ||
6482 | build_mri_control_operand (qual, cc, leftstart, leftstop, rightstart, | |
6483 | rightstop, truelab, falselab, extent); | |
6484 | ||
6485 | if (falselab == NULL) | |
6486 | colon (flab); | |
6487 | } | |
6488 | else if (strncasecmp (input_line_pointer, "OR", 2) == 0) | |
6489 | { | |
6490 | const char *tlab; | |
6491 | ||
6492 | if (truelab != NULL) | |
6493 | tlab = truelab; | |
6494 | else | |
6495 | tlab = mri_control_label (); | |
6496 | ||
6497 | build_mri_control_operand (qual, cc, leftstart, leftstop, rightstart, | |
6498 | rightstop, tlab, (const char *) NULL, extent); | |
6499 | ||
6500 | input_line_pointer += 2; | |
6501 | if (*input_line_pointer != '.' | |
6502 | || input_line_pointer[1] == '\0') | |
6503 | qual = '\0'; | |
6504 | else | |
6505 | { | |
6506 | qual = input_line_pointer[1]; | |
6507 | input_line_pointer += 2; | |
6508 | } | |
6509 | ||
6510 | if (! parse_mri_control_operand (&cc, &leftstart, &leftstop, | |
6511 | &rightstart, &rightstop)) | |
6512 | { | |
6513 | *stop = c; | |
6514 | return; | |
6515 | } | |
6516 | ||
6517 | build_mri_control_operand (qual, cc, leftstart, leftstop, rightstart, | |
6518 | rightstop, truelab, falselab, extent); | |
6519 | ||
6520 | if (truelab == NULL) | |
6521 | colon (tlab); | |
6522 | } | |
6523 | else | |
6524 | { | |
6525 | build_mri_control_operand (qual, cc, leftstart, leftstop, rightstart, | |
6526 | rightstop, truelab, falselab, extent); | |
6527 | } | |
6528 | ||
6529 | *stop = c; | |
6530 | if (input_line_pointer != stop) | |
6531 | as_bad (_("syntax error in structured control directive")); | |
6532 | } | |
6533 | ||
6534 | /* Handle the MRI IF pseudo-op. This may be a structured control | |
6535 | directive, or it may be a regular assembler conditional, depending | |
6536 | on its operands. */ | |
6537 | ||
6538 | static void | |
31302357 | 6539 | s_mri_if (int qual) |
252b5132 RH |
6540 | { |
6541 | char *s; | |
6542 | int c; | |
6543 | struct mri_control_info *n; | |
6544 | ||
6545 | /* A structured control directive must end with THEN with an | |
6546 | optional qualifier. */ | |
6547 | s = input_line_pointer; | |
e1f44d10 NC |
6548 | /* We only accept '*' as introduction of comments if preceded by white space |
6549 | or at first column of a line (I think this can't actually happen here?) | |
6550 | This is important when assembling: | |
6551 | if d0 <ne> 12(a0,d0*2) then | |
36759679 | 6552 | if d0 <ne> #CONST*20 then. */ |
31302357 AS |
6553 | while (! (is_end_of_line[(unsigned char) *s] |
6554 | || (flag_mri | |
6555 | && *s == '*' | |
6556 | && (s == input_line_pointer | |
6557 | || *(s-1) == ' ' | |
6558 | || *(s-1) == '\t')))) | |
252b5132 RH |
6559 | ++s; |
6560 | --s; | |
6561 | while (s > input_line_pointer && (*s == ' ' || *s == '\t')) | |
6562 | --s; | |
6563 | ||
6564 | if (s - input_line_pointer > 1 | |
6565 | && s[-1] == '.') | |
6566 | s -= 2; | |
6567 | ||
6568 | if (s - input_line_pointer < 3 | |
6569 | || strncasecmp (s - 3, "THEN", 4) != 0) | |
6570 | { | |
6571 | if (qual != '\0') | |
6572 | { | |
6573 | as_bad (_("missing then")); | |
6574 | ignore_rest_of_line (); | |
6575 | return; | |
6576 | } | |
6577 | ||
6578 | /* It's a conditional. */ | |
6579 | s_if (O_ne); | |
6580 | return; | |
6581 | } | |
6582 | ||
6583 | /* Since this might be a conditional if, this pseudo-op will be | |
6584 | called even if we are supported to be ignoring input. Double | |
6585 | check now. Clobber *input_line_pointer so that ignore_input | |
6586 | thinks that this is not a special pseudo-op. */ | |
6587 | c = *input_line_pointer; | |
6588 | *input_line_pointer = 0; | |
6589 | if (ignore_input ()) | |
6590 | { | |
6591 | *input_line_pointer = c; | |
6592 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
6593 | ++input_line_pointer; | |
6594 | demand_empty_rest_of_line (); | |
6595 | return; | |
6596 | } | |
6597 | *input_line_pointer = c; | |
6598 | ||
6599 | n = push_mri_control (mri_if); | |
6600 | ||
6601 | parse_mri_control_expression (s - 3, qual, (const char *) NULL, | |
6602 | n->next, s[1] == '.' ? s[2] : '\0'); | |
6603 | ||
6604 | if (s[1] == '.') | |
6605 | input_line_pointer = s + 3; | |
6606 | else | |
6607 | input_line_pointer = s + 1; | |
6608 | ||
6609 | if (flag_mri) | |
6610 | { | |
6611 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
6612 | ++input_line_pointer; | |
6613 | } | |
6614 | ||
6615 | demand_empty_rest_of_line (); | |
6616 | } | |
6617 | ||
6618 | /* Handle the MRI else pseudo-op. If we are currently doing an MRI | |
6619 | structured IF, associate the ELSE with the IF. Otherwise, assume | |
6620 | it is a conditional else. */ | |
6621 | ||
6622 | static void | |
31302357 | 6623 | s_mri_else (int qual) |
252b5132 RH |
6624 | { |
6625 | int c; | |
6626 | char *buf; | |
6627 | char q[2]; | |
6628 | ||
6629 | if (qual == '\0' | |
6630 | && (mri_control_stack == NULL | |
6631 | || mri_control_stack->type != mri_if | |
6632 | || mri_control_stack->else_seen)) | |
6633 | { | |
6634 | s_else (0); | |
6635 | return; | |
6636 | } | |
6637 | ||
6638 | c = *input_line_pointer; | |
6639 | *input_line_pointer = 0; | |
6640 | if (ignore_input ()) | |
6641 | { | |
6642 | *input_line_pointer = c; | |
6643 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
6644 | ++input_line_pointer; | |
6645 | demand_empty_rest_of_line (); | |
6646 | return; | |
6647 | } | |
6648 | *input_line_pointer = c; | |
6649 | ||
6650 | if (mri_control_stack == NULL | |
6651 | || mri_control_stack->type != mri_if | |
6652 | || mri_control_stack->else_seen) | |
6653 | { | |
6654 | as_bad (_("else without matching if")); | |
6655 | ignore_rest_of_line (); | |
6656 | return; | |
6657 | } | |
6658 | ||
6659 | mri_control_stack->else_seen = 1; | |
6660 | ||
add39d23 | 6661 | buf = XNEWVEC (char, 20 + strlen (mri_control_stack->bottom)); |
3882b010 | 6662 | q[0] = TOLOWER (qual); |
252b5132 RH |
6663 | q[1] = '\0'; |
6664 | sprintf (buf, "bra%s %s", q, mri_control_stack->bottom); | |
6665 | mri_assemble (buf); | |
6666 | free (buf); | |
6667 | ||
6668 | colon (mri_control_stack->next); | |
6669 | ||
6670 | if (flag_mri) | |
6671 | { | |
6672 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
6673 | ++input_line_pointer; | |
6674 | } | |
6675 | ||
6676 | demand_empty_rest_of_line (); | |
6677 | } | |
6678 | ||
6679 | /* Handle the MRI ENDI pseudo-op. */ | |
6680 | ||
6681 | static void | |
31302357 | 6682 | s_mri_endi (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
6683 | { |
6684 | if (mri_control_stack == NULL | |
6685 | || mri_control_stack->type != mri_if) | |
6686 | { | |
6687 | as_bad (_("endi without matching if")); | |
6688 | ignore_rest_of_line (); | |
6689 | return; | |
6690 | } | |
6691 | ||
6692 | /* ignore_input will not return true for ENDI, so we don't need to | |
6693 | worry about checking it again here. */ | |
6694 | ||
6695 | if (! mri_control_stack->else_seen) | |
6696 | colon (mri_control_stack->next); | |
6697 | colon (mri_control_stack->bottom); | |
6698 | ||
6699 | pop_mri_control (); | |
6700 | ||
6701 | if (flag_mri) | |
6702 | { | |
6703 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
6704 | ++input_line_pointer; | |
6705 | } | |
6706 | ||
6707 | demand_empty_rest_of_line (); | |
6708 | } | |
6709 | ||
6710 | /* Handle the MRI BREAK pseudo-op. */ | |
6711 | ||
6712 | static void | |
31302357 | 6713 | s_mri_break (int extent) |
252b5132 RH |
6714 | { |
6715 | struct mri_control_info *n; | |
6716 | char *buf; | |
6717 | char ex[2]; | |
6718 | ||
6719 | n = mri_control_stack; | |
6720 | while (n != NULL | |
6721 | && n->type != mri_for | |
6722 | && n->type != mri_repeat | |
6723 | && n->type != mri_while) | |
6724 | n = n->outer; | |
6725 | if (n == NULL) | |
6726 | { | |
6727 | as_bad (_("break outside of structured loop")); | |
6728 | ignore_rest_of_line (); | |
6729 | return; | |
6730 | } | |
6731 | ||
add39d23 | 6732 | buf = XNEWVEC (char, 20 + strlen (n->bottom)); |
3882b010 | 6733 | ex[0] = TOLOWER (extent); |
252b5132 RH |
6734 | ex[1] = '\0'; |
6735 | sprintf (buf, "bra%s %s", ex, n->bottom); | |
6736 | mri_assemble (buf); | |
6737 | free (buf); | |
6738 | ||
6739 | if (flag_mri) | |
6740 | { | |
6741 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
6742 | ++input_line_pointer; | |
6743 | } | |
6744 | ||
6745 | demand_empty_rest_of_line (); | |
6746 | } | |
6747 | ||
6748 | /* Handle the MRI NEXT pseudo-op. */ | |
6749 | ||
6750 | static void | |
31302357 | 6751 | s_mri_next (int extent) |
252b5132 RH |
6752 | { |
6753 | struct mri_control_info *n; | |
6754 | char *buf; | |
6755 | char ex[2]; | |
6756 | ||
6757 | n = mri_control_stack; | |
6758 | while (n != NULL | |
6759 | && n->type != mri_for | |
6760 | && n->type != mri_repeat | |
6761 | && n->type != mri_while) | |
6762 | n = n->outer; | |
6763 | if (n == NULL) | |
6764 | { | |
6765 | as_bad (_("next outside of structured loop")); | |
6766 | ignore_rest_of_line (); | |
6767 | return; | |
6768 | } | |
6769 | ||
add39d23 | 6770 | buf = XNEWVEC (char, 20 + strlen (n->next)); |
3882b010 | 6771 | ex[0] = TOLOWER (extent); |
252b5132 RH |
6772 | ex[1] = '\0'; |
6773 | sprintf (buf, "bra%s %s", ex, n->next); | |
6774 | mri_assemble (buf); | |
6775 | free (buf); | |
6776 | ||
6777 | if (flag_mri) | |
6778 | { | |
6779 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
6780 | ++input_line_pointer; | |
6781 | } | |
6782 | ||
6783 | demand_empty_rest_of_line (); | |
6784 | } | |
6785 | ||
6786 | /* Handle the MRI FOR pseudo-op. */ | |
6787 | ||
6788 | static void | |
31302357 | 6789 | s_mri_for (int qual) |
252b5132 RH |
6790 | { |
6791 | const char *varstart, *varstop; | |
6792 | const char *initstart, *initstop; | |
6793 | const char *endstart, *endstop; | |
6794 | const char *bystart, *bystop; | |
6795 | int up; | |
6796 | int by; | |
6797 | int extent; | |
6798 | struct mri_control_info *n; | |
6799 | char *buf; | |
6800 | char *s; | |
6801 | char ex[2]; | |
6802 | ||
6803 | /* The syntax is | |
6804 | FOR.q var = init { TO | DOWNTO } end [ BY by ] DO.e | |
6805 | */ | |
6806 | ||
6807 | SKIP_WHITESPACE (); | |
6808 | varstart = input_line_pointer; | |
6809 | ||
6810 | /* Look for the '='. */ | |
6811 | while (! is_end_of_line[(unsigned char) *input_line_pointer] | |
6812 | && *input_line_pointer != '=') | |
6813 | ++input_line_pointer; | |
6814 | if (*input_line_pointer != '=') | |
6815 | { | |
6816 | as_bad (_("missing =")); | |
6817 | ignore_rest_of_line (); | |
6818 | return; | |
6819 | } | |
6820 | ||
6821 | varstop = input_line_pointer; | |
6822 | if (varstop > varstart | |
6823 | && (varstop[-1] == ' ' || varstop[-1] == '\t')) | |
6824 | --varstop; | |
6825 | ||
6826 | ++input_line_pointer; | |
6827 | ||
6828 | initstart = input_line_pointer; | |
6829 | ||
6830 | /* Look for TO or DOWNTO. */ | |
6831 | up = 1; | |
6832 | initstop = NULL; | |
6833 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
6834 | { | |
6835 | if (strncasecmp (input_line_pointer, "TO", 2) == 0 | |
6836 | && ! is_part_of_name (input_line_pointer[2])) | |
6837 | { | |
6838 | initstop = input_line_pointer; | |
6839 | input_line_pointer += 2; | |
6840 | break; | |
6841 | } | |
6842 | if (strncasecmp (input_line_pointer, "DOWNTO", 6) == 0 | |
6843 | && ! is_part_of_name (input_line_pointer[6])) | |
6844 | { | |
6845 | initstop = input_line_pointer; | |
6846 | up = 0; | |
6847 | input_line_pointer += 6; | |
6848 | break; | |
6849 | } | |
6850 | ++input_line_pointer; | |
6851 | } | |
6852 | if (initstop == NULL) | |
6853 | { | |
6854 | as_bad (_("missing to or downto")); | |
6855 | ignore_rest_of_line (); | |
6856 | return; | |
6857 | } | |
6858 | if (initstop > initstart | |
6859 | && (initstop[-1] == ' ' || initstop[-1] == '\t')) | |
6860 | --initstop; | |
6861 | ||
6862 | SKIP_WHITESPACE (); | |
6863 | endstart = input_line_pointer; | |
6864 | ||
6865 | /* Look for BY or DO. */ | |
6866 | by = 0; | |
6867 | endstop = NULL; | |
6868 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
6869 | { | |
6870 | if (strncasecmp (input_line_pointer, "BY", 2) == 0 | |
6871 | && ! is_part_of_name (input_line_pointer[2])) | |
6872 | { | |
6873 | endstop = input_line_pointer; | |
6874 | by = 1; | |
6875 | input_line_pointer += 2; | |
6876 | break; | |
6877 | } | |
6878 | if (strncasecmp (input_line_pointer, "DO", 2) == 0 | |
6879 | && (input_line_pointer[2] == '.' | |
6880 | || ! is_part_of_name (input_line_pointer[2]))) | |
6881 | { | |
6882 | endstop = input_line_pointer; | |
6883 | input_line_pointer += 2; | |
6884 | break; | |
6885 | } | |
6886 | ++input_line_pointer; | |
6887 | } | |
6888 | if (endstop == NULL) | |
6889 | { | |
6890 | as_bad (_("missing do")); | |
6891 | ignore_rest_of_line (); | |
6892 | return; | |
6893 | } | |
6894 | if (endstop > endstart | |
6895 | && (endstop[-1] == ' ' || endstop[-1] == '\t')) | |
6896 | --endstop; | |
6897 | ||
6898 | if (! by) | |
6899 | { | |
6900 | bystart = "#1"; | |
6901 | bystop = bystart + 2; | |
6902 | } | |
6903 | else | |
6904 | { | |
6905 | SKIP_WHITESPACE (); | |
6906 | bystart = input_line_pointer; | |
6907 | ||
6908 | /* Look for DO. */ | |
6909 | bystop = NULL; | |
6910 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
6911 | { | |
6912 | if (strncasecmp (input_line_pointer, "DO", 2) == 0 | |
6913 | && (input_line_pointer[2] == '.' | |
6914 | || ! is_part_of_name (input_line_pointer[2]))) | |
6915 | { | |
6916 | bystop = input_line_pointer; | |
6917 | input_line_pointer += 2; | |
6918 | break; | |
6919 | } | |
6920 | ++input_line_pointer; | |
6921 | } | |
6922 | if (bystop == NULL) | |
6923 | { | |
6924 | as_bad (_("missing do")); | |
6925 | ignore_rest_of_line (); | |
6926 | return; | |
6927 | } | |
6928 | if (bystop > bystart | |
6929 | && (bystop[-1] == ' ' || bystop[-1] == '\t')) | |
6930 | --bystop; | |
6931 | } | |
6932 | ||
6933 | if (*input_line_pointer != '.') | |
6934 | extent = '\0'; | |
6935 | else | |
6936 | { | |
6937 | extent = input_line_pointer[1]; | |
6938 | input_line_pointer += 2; | |
6939 | } | |
6940 | ||
6941 | /* We have fully parsed the FOR operands. Now build the loop. */ | |
252b5132 RH |
6942 | n = push_mri_control (mri_for); |
6943 | ||
add39d23 | 6944 | buf = XNEWVEC (char, 50 + (input_line_pointer - varstart)); |
252b5132 | 6945 | |
36759679 | 6946 | /* Move init,var. */ |
252b5132 RH |
6947 | s = buf; |
6948 | *s++ = 'm'; | |
6949 | *s++ = 'o'; | |
6950 | *s++ = 'v'; | |
6951 | *s++ = 'e'; | |
6952 | if (qual != '\0') | |
3882b010 | 6953 | *s++ = TOLOWER (qual); |
252b5132 RH |
6954 | *s++ = ' '; |
6955 | memcpy (s, initstart, initstop - initstart); | |
6956 | s += initstop - initstart; | |
6957 | *s++ = ','; | |
6958 | memcpy (s, varstart, varstop - varstart); | |
6959 | s += varstop - varstart; | |
6960 | *s = '\0'; | |
6961 | mri_assemble (buf); | |
6962 | ||
6963 | colon (n->top); | |
6964 | ||
36759679 | 6965 | /* cmp end,var. */ |
252b5132 RH |
6966 | s = buf; |
6967 | *s++ = 'c'; | |
6968 | *s++ = 'm'; | |
6969 | *s++ = 'p'; | |
6970 | if (qual != '\0') | |
3882b010 | 6971 | *s++ = TOLOWER (qual); |
252b5132 RH |
6972 | *s++ = ' '; |
6973 | memcpy (s, endstart, endstop - endstart); | |
6974 | s += endstop - endstart; | |
6975 | *s++ = ','; | |
6976 | memcpy (s, varstart, varstop - varstart); | |
6977 | s += varstop - varstart; | |
6978 | *s = '\0'; | |
6979 | mri_assemble (buf); | |
6980 | ||
36759679 | 6981 | /* bcc bottom. */ |
3882b010 | 6982 | ex[0] = TOLOWER (extent); |
252b5132 RH |
6983 | ex[1] = '\0'; |
6984 | if (up) | |
6985 | sprintf (buf, "blt%s %s", ex, n->bottom); | |
6986 | else | |
6987 | sprintf (buf, "bgt%s %s", ex, n->bottom); | |
6988 | mri_assemble (buf); | |
6989 | ||
6990 | /* Put together the add or sub instruction used by ENDF. */ | |
6991 | s = buf; | |
6992 | if (up) | |
6993 | strcpy (s, "add"); | |
6994 | else | |
6995 | strcpy (s, "sub"); | |
6996 | s += 3; | |
6997 | if (qual != '\0') | |
3882b010 | 6998 | *s++ = TOLOWER (qual); |
252b5132 RH |
6999 | *s++ = ' '; |
7000 | memcpy (s, bystart, bystop - bystart); | |
7001 | s += bystop - bystart; | |
7002 | *s++ = ','; | |
7003 | memcpy (s, varstart, varstop - varstart); | |
7004 | s += varstop - varstart; | |
7005 | *s = '\0'; | |
7006 | n->incr = buf; | |
7007 | ||
7008 | if (flag_mri) | |
7009 | { | |
7010 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
7011 | ++input_line_pointer; | |
7012 | } | |
7013 | ||
7014 | demand_empty_rest_of_line (); | |
7015 | } | |
7016 | ||
7017 | /* Handle the MRI ENDF pseudo-op. */ | |
7018 | ||
7019 | static void | |
31302357 | 7020 | s_mri_endf (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
7021 | { |
7022 | if (mri_control_stack == NULL | |
7023 | || mri_control_stack->type != mri_for) | |
7024 | { | |
7025 | as_bad (_("endf without for")); | |
7026 | ignore_rest_of_line (); | |
7027 | return; | |
7028 | } | |
7029 | ||
7030 | colon (mri_control_stack->next); | |
7031 | ||
7032 | mri_assemble (mri_control_stack->incr); | |
7033 | ||
7034 | sprintf (mri_control_stack->incr, "bra %s", mri_control_stack->top); | |
7035 | mri_assemble (mri_control_stack->incr); | |
7036 | ||
7037 | free (mri_control_stack->incr); | |
7038 | ||
7039 | colon (mri_control_stack->bottom); | |
7040 | ||
7041 | pop_mri_control (); | |
7042 | ||
7043 | if (flag_mri) | |
7044 | { | |
7045 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
7046 | ++input_line_pointer; | |
7047 | } | |
7048 | ||
7049 | demand_empty_rest_of_line (); | |
7050 | } | |
7051 | ||
7052 | /* Handle the MRI REPEAT pseudo-op. */ | |
7053 | ||
7054 | static void | |
31302357 | 7055 | s_mri_repeat (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
7056 | { |
7057 | struct mri_control_info *n; | |
7058 | ||
7059 | n = push_mri_control (mri_repeat); | |
7060 | colon (n->top); | |
7061 | if (flag_mri) | |
7062 | { | |
7063 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
7064 | ++input_line_pointer; | |
7065 | } | |
7066 | demand_empty_rest_of_line (); | |
7067 | } | |
7068 | ||
7069 | /* Handle the MRI UNTIL pseudo-op. */ | |
7070 | ||
7071 | static void | |
31302357 | 7072 | s_mri_until (int qual) |
252b5132 RH |
7073 | { |
7074 | char *s; | |
7075 | ||
7076 | if (mri_control_stack == NULL | |
7077 | || mri_control_stack->type != mri_repeat) | |
7078 | { | |
7079 | as_bad (_("until without repeat")); | |
7080 | ignore_rest_of_line (); | |
7081 | return; | |
7082 | } | |
7083 | ||
7084 | colon (mri_control_stack->next); | |
7085 | ||
7086 | for (s = input_line_pointer; ! is_end_of_line[(unsigned char) *s]; s++) | |
7087 | ; | |
7088 | ||
7089 | parse_mri_control_expression (s, qual, (const char *) NULL, | |
7090 | mri_control_stack->top, '\0'); | |
7091 | ||
7092 | colon (mri_control_stack->bottom); | |
7093 | ||
7094 | input_line_pointer = s; | |
7095 | ||
7096 | pop_mri_control (); | |
7097 | ||
7098 | if (flag_mri) | |
7099 | { | |
7100 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
7101 | ++input_line_pointer; | |
7102 | } | |
7103 | ||
7104 | demand_empty_rest_of_line (); | |
7105 | } | |
7106 | ||
7107 | /* Handle the MRI WHILE pseudo-op. */ | |
7108 | ||
7109 | static void | |
31302357 | 7110 | s_mri_while (int qual) |
252b5132 RH |
7111 | { |
7112 | char *s; | |
7113 | ||
7114 | struct mri_control_info *n; | |
7115 | ||
7116 | s = input_line_pointer; | |
e1f44d10 NC |
7117 | /* We only accept '*' as introduction of comments if preceded by white space |
7118 | or at first column of a line (I think this can't actually happen here?) | |
7119 | This is important when assembling: | |
7120 | while d0 <ne> 12(a0,d0*2) do | |
36759679 | 7121 | while d0 <ne> #CONST*20 do. */ |
8a104df9 KH |
7122 | while (! (is_end_of_line[(unsigned char) *s] |
7123 | || (flag_mri | |
7124 | && *s == '*' | |
7125 | && (s == input_line_pointer | |
7126 | || *(s-1) == ' ' | |
7127 | || *(s-1) == '\t')))) | |
252b5132 RH |
7128 | s++; |
7129 | --s; | |
7130 | while (*s == ' ' || *s == '\t') | |
7131 | --s; | |
7132 | if (s - input_line_pointer > 1 | |
7133 | && s[-1] == '.') | |
7134 | s -= 2; | |
7135 | if (s - input_line_pointer < 2 | |
7136 | || strncasecmp (s - 1, "DO", 2) != 0) | |
7137 | { | |
7138 | as_bad (_("missing do")); | |
7139 | ignore_rest_of_line (); | |
7140 | return; | |
7141 | } | |
7142 | ||
7143 | n = push_mri_control (mri_while); | |
7144 | ||
7145 | colon (n->next); | |
7146 | ||
7147 | parse_mri_control_expression (s - 1, qual, (const char *) NULL, n->bottom, | |
7148 | s[1] == '.' ? s[2] : '\0'); | |
7149 | ||
7150 | input_line_pointer = s + 1; | |
7151 | if (*input_line_pointer == '.') | |
7152 | input_line_pointer += 2; | |
7153 | ||
7154 | if (flag_mri) | |
7155 | { | |
7156 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
7157 | ++input_line_pointer; | |
7158 | } | |
7159 | ||
7160 | demand_empty_rest_of_line (); | |
7161 | } | |
7162 | ||
7163 | /* Handle the MRI ENDW pseudo-op. */ | |
7164 | ||
7165 | static void | |
31302357 | 7166 | s_mri_endw (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
7167 | { |
7168 | char *buf; | |
7169 | ||
7170 | if (mri_control_stack == NULL | |
7171 | || mri_control_stack->type != mri_while) | |
7172 | { | |
7173 | as_bad (_("endw without while")); | |
7174 | ignore_rest_of_line (); | |
7175 | return; | |
7176 | } | |
7177 | ||
add39d23 | 7178 | buf = XNEWVEC (char, 20 + strlen (mri_control_stack->next)); |
252b5132 RH |
7179 | sprintf (buf, "bra %s", mri_control_stack->next); |
7180 | mri_assemble (buf); | |
7181 | free (buf); | |
7182 | ||
7183 | colon (mri_control_stack->bottom); | |
7184 | ||
7185 | pop_mri_control (); | |
7186 | ||
7187 | if (flag_mri) | |
7188 | { | |
7189 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
7190 | ++input_line_pointer; | |
7191 | } | |
7192 | ||
7193 | demand_empty_rest_of_line (); | |
7194 | } | |
7195 | \f | |
266abb8f NS |
7196 | /* Parse a .cpu directive. */ |
7197 | ||
7198 | static void | |
7199 | s_m68k_cpu (int ignored ATTRIBUTE_UNUSED) | |
7200 | { | |
7201 | char saved_char; | |
7202 | char *name; | |
7203 | ||
7204 | if (initialized) | |
7205 | { | |
7206 | as_bad (_("already assembled instructions")); | |
7207 | ignore_rest_of_line (); | |
7208 | return; | |
7209 | } | |
3739860c | 7210 | |
266abb8f NS |
7211 | name = input_line_pointer; |
7212 | while (*input_line_pointer && !ISSPACE(*input_line_pointer)) | |
7213 | input_line_pointer++; | |
7214 | saved_char = *input_line_pointer; | |
7215 | *input_line_pointer = 0; | |
7216 | ||
7217 | m68k_set_cpu (name, 1, 0); | |
3739860c | 7218 | |
266abb8f NS |
7219 | *input_line_pointer = saved_char; |
7220 | demand_empty_rest_of_line (); | |
7221 | return; | |
7222 | } | |
7223 | ||
7224 | /* Parse a .arch directive. */ | |
7225 | ||
7226 | static void | |
7227 | s_m68k_arch (int ignored ATTRIBUTE_UNUSED) | |
7228 | { | |
7229 | char saved_char; | |
7230 | char *name; | |
7231 | ||
7232 | if (initialized) | |
7233 | { | |
7234 | as_bad (_("already assembled instructions")); | |
7235 | ignore_rest_of_line (); | |
7236 | return; | |
7237 | } | |
3739860c | 7238 | |
266abb8f NS |
7239 | name = input_line_pointer; |
7240 | while (*input_line_pointer && *input_line_pointer != ',' | |
7241 | && !ISSPACE (*input_line_pointer)) | |
7242 | input_line_pointer++; | |
7243 | saved_char = *input_line_pointer; | |
7244 | *input_line_pointer = 0; | |
7245 | ||
7246 | if (m68k_set_arch (name, 1, 0)) | |
7247 | { | |
7248 | /* Scan extensions. */ | |
7249 | do | |
7250 | { | |
7251 | *input_line_pointer++ = saved_char; | |
7252 | if (!*input_line_pointer || ISSPACE (*input_line_pointer)) | |
7253 | break; | |
7254 | name = input_line_pointer; | |
7255 | while (*input_line_pointer && *input_line_pointer != ',' | |
7256 | && !ISSPACE (*input_line_pointer)) | |
7257 | input_line_pointer++; | |
7258 | saved_char = *input_line_pointer; | |
7259 | *input_line_pointer = 0; | |
7260 | } | |
7261 | while (m68k_set_extension (name, 1, 0)); | |
7262 | } | |
3739860c | 7263 | |
266abb8f NS |
7264 | *input_line_pointer = saved_char; |
7265 | demand_empty_rest_of_line (); | |
7266 | return; | |
7267 | } | |
7268 | \f | |
7269 | /* Lookup a cpu name in TABLE and return the slot found. Return NULL | |
7270 | if none is found, the caller is responsible for emitting an error | |
7271 | message. If ALLOW_M is non-zero, we allow an initial 'm' on the | |
7272 | cpu name, if it begins with a '6' (possibly skipping an intervening | |
7273 | 'c'. We also allow a 'c' in the same place. if NEGATED is | |
7274 | non-zero, we accept a leading 'no-' and *NEGATED is set to true, if | |
7275 | the option is indeed negated. */ | |
7276 | ||
7277 | static const struct m68k_cpu * | |
7278 | m68k_lookup_cpu (const char *arg, const struct m68k_cpu *table, | |
7279 | int allow_m, int *negated) | |
7280 | { | |
7281 | /* allow negated value? */ | |
7282 | if (negated) | |
7283 | { | |
7284 | *negated = 0; | |
7285 | ||
7286 | if (arg[0] == 'n' && arg[1] == 'o' && arg[2] == '-') | |
7287 | { | |
7288 | arg += 3; | |
7289 | *negated = 1; | |
7290 | } | |
7291 | } | |
3739860c | 7292 | |
266abb8f NS |
7293 | /* Remove 'm' or 'mc' prefix from 68k variants. */ |
7294 | if (allow_m) | |
7295 | { | |
7296 | if (arg[0] == 'm') | |
7297 | { | |
7298 | if (arg[1] == '6') | |
7299 | arg += 1; | |
7300 | else if (arg[1] == 'c' && arg[2] == '6') | |
7301 | arg += 2; | |
7302 | } | |
7303 | } | |
7304 | else if (arg[0] == 'c' && arg[1] == '6') | |
7305 | arg += 1; | |
7306 | ||
7307 | for (; table->name; table++) | |
7308 | if (!strcmp (arg, table->name)) | |
2da12c60 NS |
7309 | { |
7310 | if (table->alias < -1 || table->alias > 1) | |
7311 | as_bad (_("`%s' is deprecated, use `%s'"), | |
7312 | table->name, table[table->alias < 0 ? 1 : -1].name); | |
7313 | return table; | |
7314 | } | |
266abb8f NS |
7315 | return 0; |
7316 | } | |
7317 | ||
bfbba8e4 | 7318 | /* Set the cpu, issuing errors if it is unrecognized. */ |
266abb8f NS |
7319 | |
7320 | static int | |
7321 | m68k_set_cpu (char const *name, int allow_m, int silent) | |
7322 | { | |
7323 | const struct m68k_cpu *cpu; | |
7324 | ||
7325 | cpu = m68k_lookup_cpu (name, m68k_cpus, allow_m, NULL); | |
7326 | ||
7327 | if (!cpu) | |
7328 | { | |
7329 | if (!silent) | |
7330 | as_bad (_("cpu `%s' unrecognized"), name); | |
7331 | return 0; | |
7332 | } | |
266abb8f NS |
7333 | selected_cpu = cpu; |
7334 | return 1; | |
7335 | } | |
7336 | ||
bfbba8e4 | 7337 | /* Set the architecture, issuing errors if it is unrecognized. */ |
266abb8f NS |
7338 | |
7339 | static int | |
7340 | m68k_set_arch (char const *name, int allow_m, int silent) | |
7341 | { | |
7342 | const struct m68k_cpu *arch; | |
7343 | ||
7344 | arch = m68k_lookup_cpu (name, m68k_archs, allow_m, NULL); | |
7345 | ||
7346 | if (!arch) | |
7347 | { | |
7348 | if (!silent) | |
7349 | as_bad (_("architecture `%s' unrecognized"), name); | |
7350 | return 0; | |
7351 | } | |
266abb8f NS |
7352 | selected_arch = arch; |
7353 | return 1; | |
7354 | } | |
7355 | ||
7356 | /* Set the architecture extension, issuing errors if it is | |
7357 | unrecognized, or invalid */ | |
7358 | ||
7359 | static int | |
7360 | m68k_set_extension (char const *name, int allow_m, int silent) | |
7361 | { | |
7362 | int negated; | |
7363 | const struct m68k_cpu *ext; | |
7364 | ||
7365 | ext = m68k_lookup_cpu (name, m68k_extensions, allow_m, &negated); | |
7366 | ||
7367 | if (!ext) | |
7368 | { | |
7369 | if (!silent) | |
7370 | as_bad (_("extension `%s' unrecognized"), name); | |
7371 | return 0; | |
7372 | } | |
7373 | ||
7374 | if (negated) | |
87298967 NS |
7375 | not_current_architecture |= (ext->control_regs |
7376 | ? *(unsigned *)ext->control_regs: ext->arch); | |
266abb8f NS |
7377 | else |
7378 | current_architecture |= ext->arch; | |
7379 | return 1; | |
7380 | } | |
7381 | ||
31302357 AS |
7382 | /* md_parse_option |
7383 | Invocation line includes a switch not recognized by the base assembler. | |
266abb8f | 7384 | */ |
252b5132 | 7385 | |
5a38dc70 | 7386 | const char *md_shortopts = "lSA:m:kQ:V"; |
252b5132 RH |
7387 | |
7388 | struct option md_longopts[] = { | |
7389 | #define OPTION_PIC (OPTION_MD_BASE) | |
7390 | {"pic", no_argument, NULL, OPTION_PIC}, | |
7391 | #define OPTION_REGISTER_PREFIX_OPTIONAL (OPTION_MD_BASE + 1) | |
7392 | {"register-prefix-optional", no_argument, NULL, | |
7393 | OPTION_REGISTER_PREFIX_OPTIONAL}, | |
7394 | #define OPTION_BITWISE_OR (OPTION_MD_BASE + 2) | |
7395 | {"bitwise-or", no_argument, NULL, OPTION_BITWISE_OR}, | |
7396 | #define OPTION_BASE_SIZE_DEFAULT_16 (OPTION_MD_BASE + 3) | |
7397 | {"base-size-default-16", no_argument, NULL, OPTION_BASE_SIZE_DEFAULT_16}, | |
7398 | #define OPTION_BASE_SIZE_DEFAULT_32 (OPTION_MD_BASE + 4) | |
7399 | {"base-size-default-32", no_argument, NULL, OPTION_BASE_SIZE_DEFAULT_32}, | |
7400 | #define OPTION_DISP_SIZE_DEFAULT_16 (OPTION_MD_BASE + 5) | |
7401 | {"disp-size-default-16", no_argument, NULL, OPTION_DISP_SIZE_DEFAULT_16}, | |
7402 | #define OPTION_DISP_SIZE_DEFAULT_32 (OPTION_MD_BASE + 6) | |
7403 | {"disp-size-default-32", no_argument, NULL, OPTION_DISP_SIZE_DEFAULT_32}, | |
28e7409f NC |
7404 | #define OPTION_PCREL (OPTION_MD_BASE + 7) |
7405 | {"pcrel", no_argument, NULL, OPTION_PCREL}, | |
252b5132 RH |
7406 | {NULL, no_argument, NULL, 0} |
7407 | }; | |
bc805888 | 7408 | size_t md_longopts_size = sizeof (md_longopts); |
252b5132 RH |
7409 | |
7410 | int | |
17b9d67d | 7411 | md_parse_option (int c, const char *arg) |
252b5132 RH |
7412 | { |
7413 | switch (c) | |
7414 | { | |
7415 | case 'l': /* -l means keep external to 2 bit offset | |
36759679 | 7416 | rather than 16 bit one. */ |
252b5132 RH |
7417 | flag_short_refs = 1; |
7418 | break; | |
7419 | ||
7420 | case 'S': /* -S means that jbsr's always turn into | |
7421 | jsr's. */ | |
7422 | flag_long_jumps = 1; | |
7423 | break; | |
7424 | ||
28e7409f NC |
7425 | case OPTION_PCREL: /* --pcrel means never turn PC-relative |
7426 | branches into absolute jumps. */ | |
7427 | flag_keep_pcrel = 1; | |
7428 | break; | |
7429 | ||
252b5132 RH |
7430 | case OPTION_PIC: |
7431 | case 'k': | |
7432 | flag_want_pic = 1; | |
36759679 | 7433 | break; /* -pic, Position Independent Code. */ |
252b5132 RH |
7434 | |
7435 | case OPTION_REGISTER_PREFIX_OPTIONAL: | |
7436 | flag_reg_prefix_optional = 1; | |
7437 | reg_prefix_optional_seen = 1; | |
7438 | break; | |
7439 | ||
7440 | /* -V: SVR4 argument to print version ID. */ | |
7441 | case 'V': | |
7442 | print_version_id (); | |
7443 | break; | |
7444 | ||
7445 | /* -Qy, -Qn: SVR4 arguments controlling whether a .comment section | |
7446 | should be emitted or not. FIXME: Not implemented. */ | |
7447 | case 'Q': | |
7448 | break; | |
7449 | ||
7450 | case OPTION_BITWISE_OR: | |
7451 | { | |
7452 | char *n, *t; | |
7453 | const char *s; | |
7454 | ||
add39d23 | 7455 | n = XNEWVEC (char, strlen (m68k_comment_chars) + 1); |
252b5132 RH |
7456 | t = n; |
7457 | for (s = m68k_comment_chars; *s != '\0'; s++) | |
7458 | if (*s != '|') | |
7459 | *t++ = *s; | |
7460 | *t = '\0'; | |
7461 | m68k_comment_chars = n; | |
7462 | } | |
7463 | break; | |
7464 | ||
7465 | case OPTION_BASE_SIZE_DEFAULT_16: | |
7466 | m68k_index_width_default = SIZE_WORD; | |
7467 | break; | |
7468 | ||
7469 | case OPTION_BASE_SIZE_DEFAULT_32: | |
7470 | m68k_index_width_default = SIZE_LONG; | |
7471 | break; | |
7472 | ||
7473 | case OPTION_DISP_SIZE_DEFAULT_16: | |
7474 | m68k_rel32 = 0; | |
7475 | m68k_rel32_from_cmdline = 1; | |
7476 | break; | |
7477 | ||
7478 | case OPTION_DISP_SIZE_DEFAULT_32: | |
7479 | m68k_rel32 = 1; | |
7480 | m68k_rel32_from_cmdline = 1; | |
7481 | break; | |
7482 | ||
266abb8f NS |
7483 | case 'A': |
7484 | #if WARN_DEPRECATED | |
7485 | as_tsktsk (_ ("option `-A%s' is deprecated: use `-%s'", | |
7486 | arg, arg)); | |
7487 | #endif | |
7488 | /* Intentional fall-through. */ | |
7489 | case 'm': | |
7490 | if (!strncmp (arg, "arch=", 5)) | |
7491 | m68k_set_arch (arg + 5, 1, 0); | |
7492 | else if (!strncmp (arg, "cpu=", 4)) | |
7493 | m68k_set_cpu (arg + 4, 1, 0); | |
7494 | else if (m68k_set_extension (arg, 0, 1)) | |
7495 | ; | |
0b2e31dc NS |
7496 | else if (m68k_set_arch (arg, 0, 1)) |
7497 | ; | |
266abb8f NS |
7498 | else if (m68k_set_cpu (arg, 0, 1)) |
7499 | ; | |
7500 | else | |
7501 | return 0; | |
7502 | break; | |
7503 | ||
252b5132 RH |
7504 | default: |
7505 | return 0; | |
7506 | } | |
7507 | ||
7508 | return 1; | |
7509 | } | |
7510 | ||
266abb8f NS |
7511 | /* Setup tables from the selected arch and/or cpu */ |
7512 | ||
7513 | static void | |
7514 | m68k_init_arch (void) | |
7515 | { | |
266abb8f NS |
7516 | if (not_current_architecture & current_architecture) |
7517 | { | |
7518 | as_bad (_("architecture features both enabled and disabled")); | |
7519 | not_current_architecture &= ~current_architecture; | |
7520 | } | |
7521 | if (selected_arch) | |
2da12c60 NS |
7522 | { |
7523 | current_architecture |= selected_arch->arch; | |
7524 | control_regs = selected_arch->control_regs; | |
7525 | } | |
0b2e31dc NS |
7526 | else |
7527 | current_architecture |= selected_cpu->arch; | |
3739860c | 7528 | |
2da12c60 NS |
7529 | current_architecture &= ~not_current_architecture; |
7530 | ||
377260ba NS |
7531 | if ((current_architecture & (cfloat | m68881)) == (cfloat | m68881)) |
7532 | { | |
7533 | /* Determine which float is really meant. */ | |
7534 | if (current_architecture & (m68k_mask & ~m68881)) | |
7535 | current_architecture ^= cfloat; | |
7536 | else | |
7537 | current_architecture ^= m68881; | |
7538 | } | |
7539 | ||
0b2e31dc | 7540 | if (selected_cpu) |
266abb8f | 7541 | { |
2da12c60 | 7542 | control_regs = selected_cpu->control_regs; |
0b2e31dc | 7543 | if (current_architecture & ~selected_cpu->arch) |
266abb8f | 7544 | { |
0b2e31dc NS |
7545 | as_bad (_("selected processor does not have all features of selected architecture")); |
7546 | current_architecture | |
7547 | = selected_cpu->arch & ~not_current_architecture; | |
266abb8f NS |
7548 | } |
7549 | } | |
266abb8f | 7550 | |
266abb8f NS |
7551 | if ((current_architecture & m68k_mask) |
7552 | && (current_architecture & ~m68k_mask)) | |
7553 | { | |
7554 | as_bad (_ ("m68k and cf features both selected")); | |
0b2e31dc | 7555 | if (current_architecture & m68k_mask) |
266abb8f NS |
7556 | current_architecture &= m68k_mask; |
7557 | else | |
7558 | current_architecture &= ~m68k_mask; | |
7559 | } | |
3739860c | 7560 | |
266abb8f NS |
7561 | /* Permit m68881 specification with all cpus; those that can't work |
7562 | with a coprocessor could be doing emulation. */ | |
7563 | if (current_architecture & m68851) | |
7564 | { | |
7565 | if (current_architecture & m68040) | |
7566 | as_warn (_("68040 and 68851 specified; mmu instructions may assemble incorrectly")); | |
7567 | } | |
7568 | /* What other incompatibilities could we check for? */ | |
7569 | ||
266abb8f NS |
7570 | if (cpu_of_arch (current_architecture) < m68020 |
7571 | || arch_coldfire_p (current_architecture)) | |
7572 | md_relax_table[TAB (PCINDEX, BYTE)].rlx_more = 0; | |
3739860c | 7573 | |
266abb8f NS |
7574 | initialized = 1; |
7575 | } | |
7576 | ||
252b5132 | 7577 | void |
31302357 | 7578 | md_show_usage (FILE *stream) |
252b5132 | 7579 | { |
76f57f3a | 7580 | const char *default_cpu = TARGET_CPU; |
f1f5ef86 | 7581 | int i; |
76f57f3a | 7582 | |
8a104df9 | 7583 | /* Get the canonical name for the default target CPU. */ |
76f57f3a JT |
7584 | if (*default_cpu == 'm') |
7585 | default_cpu++; | |
266abb8f | 7586 | for (i = 0; m68k_cpus[i].name; i++) |
76f57f3a | 7587 | { |
266abb8f | 7588 | if (strcasecmp (default_cpu, m68k_cpus[i].name) == 0) |
76f57f3a | 7589 | { |
2da12c60 NS |
7590 | while (m68k_cpus[i].alias > 0) |
7591 | i--; | |
7592 | while (m68k_cpus[i].alias < 0) | |
7593 | i++; | |
7594 | default_cpu = m68k_cpus[i].name; | |
76f57f3a JT |
7595 | } |
7596 | } | |
7597 | ||
bc805888 | 7598 | fprintf (stream, _("\ |
266abb8f NS |
7599 | -march=<arch> set architecture\n\ |
7600 | -mcpu=<cpu> set cpu [default %s]\n\ | |
7601 | "), default_cpu); | |
7602 | for (i = 0; m68k_extensions[i].name; i++) | |
7603 | fprintf (stream, _("\ | |
33eaf5de | 7604 | -m[no-]%-16s enable/disable %s architecture extension\n\ |
0b2e31dc NS |
7605 | "), m68k_extensions[i].name, |
7606 | m68k_extensions[i].alias > 0 ? " ColdFire" | |
7607 | : m68k_extensions[i].alias < 0 ? " m68k" : ""); | |
3739860c | 7608 | |
bc805888 | 7609 | fprintf (stream, _("\ |
266abb8f | 7610 | -l use 1 word for refs to undefined symbols [default 2]\n\ |
252b5132 RH |
7611 | -pic, -k generate position independent code\n\ |
7612 | -S turn jbsr into jsr\n\ | |
28e7409f | 7613 | --pcrel never turn PC-relative branches into absolute jumps\n\ |
252b5132 RH |
7614 | --register-prefix-optional\n\ |
7615 | recognize register names without prefix character\n\ | |
266abb8f | 7616 | --bitwise-or do not treat `|' as a comment character\n\ |
252b5132 RH |
7617 | --base-size-default-16 base reg without size is 16 bits\n\ |
7618 | --base-size-default-32 base reg without size is 32 bits (default)\n\ | |
7619 | --disp-size-default-16 displacement with unknown size is 16 bits\n\ | |
266abb8f NS |
7620 | --disp-size-default-32 displacement with unknown size is 32 bits (default)\n\ |
7621 | ")); | |
3739860c | 7622 | |
266abb8f NS |
7623 | fprintf (stream, _("Architecture variants are: ")); |
7624 | for (i = 0; m68k_archs[i].name; i++) | |
7625 | { | |
7626 | if (i) | |
7627 | fprintf (stream, " | "); | |
87298967 | 7628 | fprintf (stream, "%s", m68k_archs[i].name); |
266abb8f NS |
7629 | } |
7630 | fprintf (stream, "\n"); | |
7631 | ||
7632 | fprintf (stream, _("Processor variants are: ")); | |
7633 | for (i = 0; m68k_cpus[i].name; i++) | |
7634 | { | |
7635 | if (i) | |
7636 | fprintf (stream, " | "); | |
87298967 | 7637 | fprintf (stream, "%s", m68k_cpus[i].name); |
266abb8f NS |
7638 | } |
7639 | fprintf (stream, _("\n")); | |
252b5132 RH |
7640 | } |
7641 | \f | |
7642 | #ifdef TEST2 | |
7643 | ||
7644 | /* TEST2: Test md_assemble() */ | |
36759679 NC |
7645 | /* Warning, this routine probably doesn't work anymore. */ |
7646 | int | |
31302357 | 7647 | main (void) |
252b5132 RH |
7648 | { |
7649 | struct m68k_it the_ins; | |
7650 | char buf[120]; | |
7651 | char *cp; | |
7652 | int n; | |
7653 | ||
7654 | m68k_ip_begin (); | |
7655 | for (;;) | |
7656 | { | |
7657 | if (!gets (buf) || !*buf) | |
7658 | break; | |
7659 | if (buf[0] == '|' || buf[1] == '.') | |
7660 | continue; | |
7661 | for (cp = buf; *cp; cp++) | |
7662 | if (*cp == '\t') | |
7663 | *cp = ' '; | |
7664 | if (is_label (buf)) | |
7665 | continue; | |
7666 | memset (&the_ins, '\0', sizeof (the_ins)); | |
7667 | m68k_ip (&the_ins, buf); | |
7668 | if (the_ins.error) | |
7669 | { | |
7670 | printf (_("Error %s in %s\n"), the_ins.error, buf); | |
7671 | } | |
7672 | else | |
7673 | { | |
7674 | printf (_("Opcode(%d.%s): "), the_ins.numo, the_ins.args); | |
7675 | for (n = 0; n < the_ins.numo; n++) | |
7676 | printf (" 0x%x", the_ins.opcode[n] & 0xffff); | |
7677 | printf (" "); | |
7678 | print_the_insn (&the_ins.opcode[0], stdout); | |
7679 | (void) putchar ('\n'); | |
7680 | } | |
7681 | for (n = 0; n < strlen (the_ins.args) / 2; n++) | |
7682 | { | |
7683 | if (the_ins.operands[n].error) | |
7684 | { | |
7685 | printf ("op%d Error %s in %s\n", n, the_ins.operands[n].error, buf); | |
7686 | continue; | |
7687 | } | |
31302357 AS |
7688 | printf ("mode %d, reg %d, ", the_ins.operands[n].mode, |
7689 | the_ins.operands[n].reg); | |
252b5132 | 7690 | if (the_ins.operands[n].b_const) |
31302357 AS |
7691 | printf ("Constant: '%.*s', ", |
7692 | 1 + the_ins.operands[n].e_const - the_ins.operands[n].b_const, | |
7693 | the_ins.operands[n].b_const); | |
7694 | printf ("ireg %d, isiz %d, imul %d, ", the_ins.operands[n].ireg, | |
7695 | the_ins.operands[n].isiz, the_ins.operands[n].imul); | |
252b5132 | 7696 | if (the_ins.operands[n].b_iadd) |
31302357 AS |
7697 | printf ("Iadd: '%.*s',", |
7698 | 1 + the_ins.operands[n].e_iadd - the_ins.operands[n].b_iadd, | |
7699 | the_ins.operands[n].b_iadd); | |
7700 | putchar ('\n'); | |
252b5132 RH |
7701 | } |
7702 | } | |
7703 | m68k_ip_end (); | |
7704 | return 0; | |
7705 | } | |
7706 | ||
31302357 AS |
7707 | int |
7708 | is_label (char *str) | |
252b5132 RH |
7709 | { |
7710 | while (*str == ' ') | |
7711 | str++; | |
7712 | while (*str && *str != ' ') | |
7713 | str++; | |
7714 | if (str[-1] == ':' || str[1] == '=') | |
7715 | return 1; | |
7716 | return 0; | |
7717 | } | |
7718 | ||
7719 | #endif | |
7720 | ||
7721 | /* Possible states for relaxation: | |
7722 | ||
7723 | 0 0 branch offset byte (bra, etc) | |
7724 | 0 1 word | |
7725 | 0 2 long | |
7726 | ||
7727 | 1 0 indexed offsets byte a0@(32,d4:w:1) etc | |
7728 | 1 1 word | |
7729 | 1 2 long | |
7730 | ||
7731 | 2 0 two-offset index word-word a0@(32,d4)@(45) etc | |
7732 | 2 1 word-long | |
7733 | 2 2 long-word | |
7734 | 2 3 long-long | |
7735 | ||
7736 | */ | |
7737 | ||
7738 | /* We have no need to default values of symbols. */ | |
7739 | ||
252b5132 | 7740 | symbolS * |
31302357 | 7741 | md_undefined_symbol (char *name ATTRIBUTE_UNUSED) |
252b5132 RH |
7742 | { |
7743 | return 0; | |
7744 | } | |
7745 | ||
7746 | /* Round up a section size to the appropriate boundary. */ | |
7747 | valueT | |
31302357 | 7748 | md_section_align (segT segment ATTRIBUTE_UNUSED, valueT size) |
252b5132 | 7749 | { |
252b5132 RH |
7750 | return size; |
7751 | } | |
7752 | ||
7753 | /* Exactly what point is a PC-relative offset relative TO? | |
7754 | On the 68k, it is relative to the address of the first extension | |
7755 | word. The difference between the addresses of the offset and the | |
92774660 | 7756 | first extension word is stored in fx_pcrel_adjust. */ |
252b5132 | 7757 | long |
31302357 | 7758 | md_pcrel_from (fixS *fixP) |
252b5132 RH |
7759 | { |
7760 | int adjust; | |
7761 | ||
552c607f | 7762 | adjust = fixP->fx_pcrel_adjust; |
252b5132 RH |
7763 | if (adjust == 64) |
7764 | adjust = -1; | |
7765 | return fixP->fx_where + fixP->fx_frag->fr_address - adjust; | |
7766 | } | |
7767 | ||
8a104df9 | 7768 | void |
31302357 | 7769 | m68k_elf_final_processing (void) |
0d96863f | 7770 | { |
266abb8f | 7771 | unsigned flags = 0; |
3739860c | 7772 | |
238d258f | 7773 | if (arch_coldfire_fpu (current_architecture)) |
266abb8f NS |
7774 | flags |= EF_M68K_CFV4E; |
7775 | /* Set file-specific flags if this is a cpu32 processor. */ | |
8a104df9 | 7776 | if (cpu_of_arch (current_architecture) & cpu32) |
3bdcfdf4 KH |
7777 | flags |= EF_M68K_CPU32; |
7778 | else if (cpu_of_arch (current_architecture) & fido_a) | |
7779 | flags |= EF_M68K_FIDO; | |
8a104df9 KH |
7780 | else if ((cpu_of_arch (current_architecture) & m68000up) |
7781 | && !(cpu_of_arch (current_architecture) & m68020up)) | |
266abb8f | 7782 | flags |= EF_M68K_M68000; |
3739860c | 7783 | |
266abb8f NS |
7784 | if (current_architecture & mcfisa_a) |
7785 | { | |
0b2e31dc NS |
7786 | static const unsigned isa_features[][2] = |
7787 | { | |
9a2e615a | 7788 | {EF_M68K_CF_ISA_A_NODIV,mcfisa_a}, |
c694fd50 | 7789 | {EF_M68K_CF_ISA_A, mcfisa_a|mcfhwdiv}, |
9a2e615a | 7790 | {EF_M68K_CF_ISA_A_PLUS, mcfisa_a|mcfisa_aa|mcfhwdiv|mcfusp}, |
c694fd50 KH |
7791 | {EF_M68K_CF_ISA_B_NOUSP,mcfisa_a|mcfisa_b|mcfhwdiv}, |
7792 | {EF_M68K_CF_ISA_B, mcfisa_a|mcfisa_b|mcfhwdiv|mcfusp}, | |
9a2e615a | 7793 | {EF_M68K_CF_ISA_C, mcfisa_a|mcfisa_c|mcfhwdiv|mcfusp}, |
8d100c32 | 7794 | {EF_M68K_CF_ISA_C_NODIV,mcfisa_a|mcfisa_c|mcfusp}, |
0b2e31dc NS |
7795 | {0,0}, |
7796 | }; | |
7797 | static const unsigned mac_features[][2] = | |
7798 | { | |
c694fd50 KH |
7799 | {EF_M68K_CF_MAC, mcfmac}, |
7800 | {EF_M68K_CF_EMAC, mcfemac}, | |
0b2e31dc NS |
7801 | {0,0}, |
7802 | }; | |
7803 | unsigned ix; | |
7804 | unsigned pattern; | |
3739860c | 7805 | |
0b2e31dc | 7806 | pattern = (current_architecture |
9a2e615a | 7807 | & (mcfisa_a|mcfisa_aa|mcfisa_b|mcfisa_c|mcfhwdiv|mcfusp)); |
0b2e31dc NS |
7808 | for (ix = 0; isa_features[ix][1]; ix++) |
7809 | { | |
7810 | if (pattern == isa_features[ix][1]) | |
7811 | { | |
7812 | flags |= isa_features[ix][0]; | |
7813 | break; | |
7814 | } | |
7815 | } | |
7816 | if (!isa_features[ix][1]) | |
7817 | { | |
7818 | cf_bad: | |
7819 | as_warn (_("Not a defined coldfire architecture")); | |
7820 | } | |
7821 | else | |
7822 | { | |
7823 | if (current_architecture & cfloat) | |
c694fd50 | 7824 | flags |= EF_M68K_CF_FLOAT | EF_M68K_CFV4E; |
266abb8f | 7825 | |
0b2e31dc NS |
7826 | pattern = current_architecture & (mcfmac|mcfemac); |
7827 | if (pattern) | |
7828 | { | |
7829 | for (ix = 0; mac_features[ix][1]; ix++) | |
7830 | { | |
7831 | if (pattern == mac_features[ix][1]) | |
7832 | { | |
7833 | flags |= mac_features[ix][0]; | |
7834 | break; | |
7835 | } | |
7836 | } | |
7837 | if (!mac_features[ix][1]) | |
7838 | goto cf_bad; | |
7839 | } | |
7840 | } | |
266abb8f NS |
7841 | } |
7842 | elf_elfheader (stdoutput)->e_flags |= flags; | |
0d96863f | 7843 | } |
cf869cce NC |
7844 | |
7845 | /* Parse @TLSLDO and return the desired relocation. */ | |
7846 | static bfd_reloc_code_real_type | |
7847 | m68k_elf_suffix (char **str_p, expressionS *exp_p) | |
7848 | { | |
7849 | char ident[20]; | |
7850 | char *str = *str_p; | |
7851 | char *str2; | |
7852 | int ch; | |
7853 | int len; | |
7854 | ||
7855 | if (*str++ != '@') | |
7856 | return BFD_RELOC_UNUSED; | |
7857 | ||
7858 | for (ch = *str, str2 = ident; | |
7859 | (str2 < ident + sizeof (ident) - 1 | |
7860 | && (ISALNUM (ch) || ch == '@')); | |
7861 | ch = *++str) | |
7862 | { | |
7863 | *str2++ = ch; | |
7864 | } | |
7865 | ||
7866 | *str2 = '\0'; | |
7867 | len = str2 - ident; | |
7868 | ||
7869 | if (strncmp (ident, "TLSLDO", 6) == 0 | |
7870 | && len == 6) | |
7871 | { | |
7872 | /* Now check for identifier@suffix+constant. */ | |
7873 | if (*str == '-' || *str == '+') | |
7874 | { | |
7875 | char *orig_line = input_line_pointer; | |
7876 | expressionS new_exp; | |
7877 | ||
7878 | input_line_pointer = str; | |
7879 | expression (&new_exp); | |
7880 | if (new_exp.X_op == O_constant) | |
7881 | { | |
7882 | exp_p->X_add_number += new_exp.X_add_number; | |
7883 | str = input_line_pointer; | |
7884 | } | |
7885 | ||
7886 | if (&input_line_pointer != str_p) | |
7887 | input_line_pointer = orig_line; | |
7888 | } | |
7889 | *str_p = str; | |
7890 | ||
7891 | return BFD_RELOC_68K_TLS_LDO32; | |
7892 | } | |
7893 | ||
7894 | return BFD_RELOC_UNUSED; | |
7895 | } | |
7896 | ||
7897 | /* Handles .long <tls_symbol>+0x8000 debug info. | |
7898 | Clobbers input_line_pointer, checks end-of-line. | |
7899 | Adapted from tc-ppc.c:ppc_elf_cons. */ | |
7900 | static void | |
7901 | m68k_elf_cons (int nbytes /* 4=.long */) | |
7902 | { | |
7903 | if (is_it_end_of_statement ()) | |
7904 | { | |
7905 | demand_empty_rest_of_line (); | |
7906 | return; | |
7907 | } | |
7908 | ||
7909 | do | |
7910 | { | |
7911 | expressionS exp; | |
7912 | bfd_reloc_code_real_type reloc; | |
7913 | ||
7914 | expression (&exp); | |
7915 | if (exp.X_op == O_symbol | |
7916 | && *input_line_pointer == '@' | |
7917 | && (reloc = m68k_elf_suffix (&input_line_pointer, | |
7918 | &exp)) != BFD_RELOC_UNUSED) | |
7919 | { | |
7920 | reloc_howto_type *reloc_howto; | |
7921 | int size; | |
7922 | ||
7923 | reloc_howto = bfd_reloc_type_lookup (stdoutput, reloc); | |
7924 | size = bfd_get_reloc_size (reloc_howto); | |
7925 | ||
7926 | if (size > nbytes) | |
7927 | { | |
992a06ee AM |
7928 | as_bad (ngettext ("%s relocations do not fit in %u byte", |
7929 | "%s relocations do not fit in %u bytes", | |
7930 | nbytes), | |
cf869cce NC |
7931 | reloc_howto->name, nbytes); |
7932 | } | |
7933 | else | |
7934 | { | |
7935 | char *p; | |
7936 | int offset; | |
7937 | ||
7938 | p = frag_more (nbytes); | |
7939 | offset = 0; | |
7940 | if (target_big_endian) | |
7941 | offset = nbytes - size; | |
7942 | fix_new_exp (frag_now, p - frag_now->fr_literal + offset, size, | |
7943 | &exp, 0, reloc); | |
7944 | } | |
7945 | } | |
7946 | else | |
7947 | emit_expr (&exp, (unsigned int) nbytes); | |
7948 | } | |
7949 | while (*input_line_pointer++ == ','); | |
7950 | ||
7951 | /* Put terminator back into stream. */ | |
7952 | input_line_pointer--; | |
7953 | demand_empty_rest_of_line (); | |
7954 | } | |
c04898f8 | 7955 | |
85f7484a PB |
7956 | /* Parse a .gnu_attribute directive. */ |
7957 | static void | |
7958 | m68k_elf_gnu_attribute (int ignored ATTRIBUTE_UNUSED) | |
7959 | { | |
7960 | int tag = obj_elf_vendor_attribute (OBJ_ATTR_GNU); | |
7961 | ||
7962 | /* Check validity of defined m68k tags. */ | |
7963 | if (tag == Tag_GNU_M68K_ABI_FP) | |
7964 | { | |
7965 | unsigned int val; | |
7966 | ||
7967 | val = bfd_elf_get_obj_attr_int (stdoutput, OBJ_ATTR_GNU, tag); | |
7968 | ||
7969 | if (tag == Tag_GNU_M68K_ABI_FP && val > 2) | |
7970 | as_warn (_("unknown .gnu_attribute value")); | |
7971 | } | |
7972 | } | |
7973 | ||
c04898f8 | 7974 | int |
e0471c16 | 7975 | tc_m68k_regname_to_dw2regnum (const char *regname) |
c04898f8 AS |
7976 | { |
7977 | unsigned int regnum; | |
7978 | static const char *const regnames[] = | |
7979 | { | |
7980 | "d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7", | |
7981 | "a0", "a1", "a2", "a3", "a4", "a5", "a6", "sp", | |
7982 | "fp0", "fp1", "fp2", "fp3", "fp4", "fp5", "fp6", "fp7", | |
7983 | "pc" | |
7984 | }; | |
7985 | ||
7986 | for (regnum = 0; regnum < ARRAY_SIZE (regnames); regnum++) | |
7987 | if (strcmp (regname, regnames[regnum]) == 0) | |
7988 | return regnum; | |
7989 | ||
7990 | return -1; | |
7991 | } | |
7992 | ||
7993 | void | |
7994 | tc_m68k_frame_initial_instructions (void) | |
7995 | { | |
7996 | static int sp_regno = -1; | |
7997 | ||
7998 | if (sp_regno < 0) | |
7999 | sp_regno = tc_m68k_regname_to_dw2regnum ("sp"); | |
8000 | ||
8001 | cfi_add_CFA_def_cfa (sp_regno, -DWARF2_CIE_DATA_ALIGNMENT); | |
8002 | cfi_add_CFA_offset (DWARF2_DEFAULT_RETURN_COLUMN, DWARF2_CIE_DATA_ALIGNMENT); | |
8003 | } | |
909c7f9c NC |
8004 | |
8005 | /* Check and emit error if broken-word handling has failed to fix up a | |
8006 | case-table. This is called from write.c, after doing everything it | |
8007 | knows about how to handle broken words. */ | |
8008 | ||
8009 | void | |
8010 | tc_m68k_check_adjusted_broken_word (offsetT new_offset, struct broken_word *brokwP) | |
8011 | { | |
8012 | if (new_offset > 32767 || new_offset < -32768) | |
8013 | as_bad_where (brokwP->frag->fr_file, brokwP->frag->fr_line, | |
8014 | _("Adjusted signed .word (%#lx) overflows: `switch'-statement too large."), | |
8015 | (long) new_offset); | |
8016 | } | |
8017 |