Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* tc-mn10300.c -- Assembler code for the Matsushita 10300 |
ae6063d4 | 2 | Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 |
f7e42eb4 | 3 | Free Software Foundation, Inc. |
252b5132 RH |
4 | |
5 | This file is part of GAS, the GNU Assembler. | |
6 | ||
7 | GAS is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2, or (at your option) | |
10 | any later version. | |
11 | ||
12 | GAS is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GAS; see the file COPYING. If not, write to | |
19 | the Free Software Foundation, 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
21 | ||
22 | #include <stdio.h> | |
252b5132 | 23 | #include "as.h" |
3882b010 | 24 | #include "safe-ctype.h" |
87271fa6 | 25 | #include "subsegs.h" |
252b5132 | 26 | #include "opcode/mn10300.h" |
e8b1cae5 | 27 | #include "dwarf2dbg.h" |
252b5132 RH |
28 | \f |
29 | /* Structure to hold information about predefined registers. */ | |
30 | struct reg_name | |
31 | { | |
32 | const char *name; | |
33 | int value; | |
34 | }; | |
35 | ||
87271fa6 NC |
36 | /* Generic assembler global variables which must be defined by all |
37 | targets. */ | |
252b5132 | 38 | |
87271fa6 | 39 | /* Characters which always start a comment. */ |
252b5132 RH |
40 | const char comment_chars[] = "#"; |
41 | ||
42 | /* Characters which start a comment at the beginning of a line. */ | |
43 | const char line_comment_chars[] = ";#"; | |
44 | ||
87271fa6 | 45 | /* Characters which may be used to separate multiple commands on a |
252b5132 RH |
46 | single line. */ |
47 | const char line_separator_chars[] = ";"; | |
48 | ||
87271fa6 | 49 | /* Characters which are used to indicate an exponent in a floating |
252b5132 RH |
50 | point number. */ |
51 | const char EXP_CHARS[] = "eE"; | |
52 | ||
87271fa6 | 53 | /* Characters which mean that a number is a floating point constant, |
252b5132 RH |
54 | as in 0d1.0. */ |
55 | const char FLT_CHARS[] = "dD"; | |
56 | \f | |
252b5132 | 57 | const relax_typeS md_relax_table[] = { |
87271fa6 | 58 | /* bCC relaxing */ |
252b5132 RH |
59 | {0x7f, -0x80, 2, 1}, |
60 | {0x7fff, -0x8000, 5, 2}, | |
61 | {0x7fffffff, -0x80000000, 7, 0}, | |
62 | ||
87271fa6 | 63 | /* bCC relaxing (uncommon cases) */ |
252b5132 RH |
64 | {0x7f, -0x80, 3, 4}, |
65 | {0x7fff, -0x8000, 6, 5}, | |
66 | {0x7fffffff, -0x80000000, 8, 0}, | |
67 | ||
87271fa6 | 68 | /* call relaxing */ |
252b5132 RH |
69 | {0x7fff, -0x8000, 5, 7}, |
70 | {0x7fffffff, -0x80000000, 7, 0}, | |
71 | ||
87271fa6 | 72 | /* calls relaxing */ |
252b5132 RH |
73 | {0x7fff, -0x8000, 4, 9}, |
74 | {0x7fffffff, -0x80000000, 6, 0}, | |
75 | ||
87271fa6 | 76 | /* jmp relaxing */ |
252b5132 RH |
77 | {0x7f, -0x80, 2, 11}, |
78 | {0x7fff, -0x8000, 3, 12}, | |
79 | {0x7fffffff, -0x80000000, 5, 0}, | |
80 | ||
e7b71525 AO |
81 | /* fbCC relaxing */ |
82 | {0x7f, -0x80, 3, 14}, | |
83 | {0x7fff, -0x8000, 6, 15}, | |
84 | {0x7fffffff, -0x80000000, 8, 0}, | |
85 | ||
252b5132 RH |
86 | }; |
87 | ||
87271fa6 | 88 | /* Local functions. */ |
252b5132 RH |
89 | static void mn10300_insert_operand PARAMS ((unsigned long *, unsigned long *, |
90 | const struct mn10300_operand *, | |
91 | offsetT, char *, unsigned, | |
92 | unsigned)); | |
93 | static unsigned long check_operand PARAMS ((unsigned long, | |
94 | const struct mn10300_operand *, | |
95 | offsetT)); | |
96 | static int reg_name_search PARAMS ((const struct reg_name *, int, const char *)); | |
b34976b6 AM |
97 | static bfd_boolean data_register_name PARAMS ((expressionS *expressionP)); |
98 | static bfd_boolean address_register_name PARAMS ((expressionS *expressionP)); | |
99 | static bfd_boolean other_register_name PARAMS ((expressionS *expressionP)); | |
497f322d AO |
100 | static bfd_boolean r_register_name PARAMS ((expressionS *expressionP)); |
101 | static bfd_boolean xr_register_name PARAMS ((expressionS *expressionP)); | |
102 | static void set_arch_mach PARAMS ((int)); | |
252b5132 | 103 | |
1485d400 EC |
104 | /* Set linkrelax here to avoid fixups in most sections. */ |
105 | int linkrelax = 1; | |
106 | ||
252b5132 RH |
107 | static int current_machine; |
108 | ||
87271fa6 | 109 | /* Fixups. */ |
252b5132 RH |
110 | #define MAX_INSN_FIXUPS (5) |
111 | struct mn10300_fixup | |
112 | { | |
113 | expressionS exp; | |
114 | int opindex; | |
115 | bfd_reloc_code_real_type reloc; | |
116 | }; | |
117 | struct mn10300_fixup fixups[MAX_INSN_FIXUPS]; | |
118 | static int fc; | |
119 | ||
120 | /* We must store the value of each register operand so that we can | |
121 | verify that certain registers do not match. */ | |
122 | int mn10300_reg_operands[MN10300_MAX_OPERANDS]; | |
123 | \f | |
124 | const char *md_shortopts = ""; | |
125 | struct option md_longopts[] = { | |
126 | {NULL, no_argument, NULL, 0} | |
127 | }; | |
87271fa6 | 128 | size_t md_longopts_size = sizeof (md_longopts); |
252b5132 RH |
129 | |
130 | /* The target specific pseudo-ops which we support. */ | |
131 | const pseudo_typeS md_pseudo_table[] = | |
132 | { | |
0a727238 AO |
133 | { "am30", set_arch_mach, AM30 }, |
134 | { "am33", set_arch_mach, AM33 }, | |
e7b71525 | 135 | { "am33_2", (void (*) PARAMS ((int))) set_arch_mach, AM33_2 }, |
0a727238 | 136 | { "mn10300", set_arch_mach, MN103 }, |
252b5132 RH |
137 | {NULL, 0, 0} |
138 | }; | |
139 | ||
e7b71525 AO |
140 | #define HAVE_AM33_2 (current_machine == AM33_2) |
141 | #define HAVE_AM33 (current_machine == AM33 || HAVE_AM33_2) | |
aa15f6f7 | 142 | #define HAVE_AM30 (current_machine == AM30) |
0a727238 | 143 | |
252b5132 RH |
144 | /* Opcode hash table. */ |
145 | static struct hash_control *mn10300_hash; | |
146 | ||
87271fa6 | 147 | /* This table is sorted. Suitable for searching by a binary search. */ |
252b5132 RH |
148 | static const struct reg_name data_registers[] = |
149 | { | |
150 | { "d0", 0 }, | |
151 | { "d1", 1 }, | |
152 | { "d2", 2 }, | |
153 | { "d3", 3 }, | |
154 | }; | |
87271fa6 NC |
155 | #define DATA_REG_NAME_CNT \ |
156 | (sizeof (data_registers) / sizeof (struct reg_name)) | |
252b5132 RH |
157 | |
158 | static const struct reg_name address_registers[] = | |
159 | { | |
160 | { "a0", 0 }, | |
161 | { "a1", 1 }, | |
162 | { "a2", 2 }, | |
163 | { "a3", 3 }, | |
164 | }; | |
87271fa6 NC |
165 | |
166 | #define ADDRESS_REG_NAME_CNT \ | |
167 | (sizeof (address_registers) / sizeof (struct reg_name)) | |
252b5132 | 168 | |
85cb2cf9 JL |
169 | static const struct reg_name r_registers[] = |
170 | { | |
171 | { "a0", 8 }, | |
172 | { "a1", 9 }, | |
173 | { "a2", 10 }, | |
174 | { "a3", 11 }, | |
175 | { "d0", 12 }, | |
176 | { "d1", 13 }, | |
177 | { "d2", 14 }, | |
178 | { "d3", 15 }, | |
179 | { "e0", 0 }, | |
180 | { "e1", 1 }, | |
181 | { "e10", 10 }, | |
182 | { "e11", 11 }, | |
183 | { "e12", 12 }, | |
184 | { "e13", 13 }, | |
185 | { "e14", 14 }, | |
186 | { "e15", 15 }, | |
187 | { "e2", 2 }, | |
188 | { "e3", 3 }, | |
189 | { "e4", 4 }, | |
190 | { "e5", 5 }, | |
191 | { "e6", 6 }, | |
192 | { "e7", 7 }, | |
193 | { "e8", 8 }, | |
194 | { "e9", 9 }, | |
195 | { "r0", 0 }, | |
196 | { "r1", 1 }, | |
197 | { "r10", 10 }, | |
198 | { "r11", 11 }, | |
199 | { "r12", 12 }, | |
200 | { "r13", 13 }, | |
201 | { "r14", 14 }, | |
202 | { "r15", 15 }, | |
203 | { "r2", 2 }, | |
204 | { "r3", 3 }, | |
205 | { "r4", 4 }, | |
206 | { "r5", 5 }, | |
207 | { "r6", 6 }, | |
208 | { "r7", 7 }, | |
209 | { "r8", 8 }, | |
210 | { "r9", 9 }, | |
211 | }; | |
87271fa6 NC |
212 | |
213 | #define R_REG_NAME_CNT \ | |
214 | (sizeof (r_registers) / sizeof (struct reg_name)) | |
85cb2cf9 JL |
215 | |
216 | static const struct reg_name xr_registers[] = | |
217 | { | |
218 | { "mcrh", 2 }, | |
219 | { "mcrl", 3 }, | |
220 | { "mcvf", 4 }, | |
221 | { "mdrq", 1 }, | |
222 | { "sp", 0 }, | |
223 | { "xr0", 0 }, | |
224 | { "xr1", 1 }, | |
225 | { "xr10", 10 }, | |
226 | { "xr11", 11 }, | |
227 | { "xr12", 12 }, | |
228 | { "xr13", 13 }, | |
229 | { "xr14", 14 }, | |
230 | { "xr15", 15 }, | |
231 | { "xr2", 2 }, | |
232 | { "xr3", 3 }, | |
233 | { "xr4", 4 }, | |
234 | { "xr5", 5 }, | |
235 | { "xr6", 6 }, | |
236 | { "xr7", 7 }, | |
237 | { "xr8", 8 }, | |
238 | { "xr9", 9 }, | |
239 | }; | |
85cb2cf9 | 240 | |
87271fa6 NC |
241 | #define XR_REG_NAME_CNT \ |
242 | (sizeof (xr_registers) / sizeof (struct reg_name)) | |
252b5132 | 243 | |
913572ec AO |
244 | /* We abuse the `value' field, that would be otherwise unused, to |
245 | encode the architecture on which (access to) the register was | |
246 | introduced. FIXME: we should probably warn when we encounter a | |
247 | register name when assembling for an architecture that doesn't | |
248 | support it, before parsing it as a symbol name. */ | |
252b5132 RH |
249 | static const struct reg_name other_registers[] = |
250 | { | |
913572ec | 251 | { "epsw", AM33 }, |
252b5132 | 252 | { "mdr", 0 }, |
913572ec | 253 | { "pc", AM33 }, |
252b5132 RH |
254 | { "psw", 0 }, |
255 | { "sp", 0 }, | |
256 | }; | |
87271fa6 NC |
257 | |
258 | #define OTHER_REG_NAME_CNT \ | |
259 | (sizeof (other_registers) / sizeof (struct reg_name)) | |
252b5132 | 260 | |
e7b71525 AO |
261 | static const struct reg_name float_registers[] = |
262 | { | |
263 | { "fs0", 0 }, | |
264 | { "fs1", 1 }, | |
265 | { "fs10", 10 }, | |
266 | { "fs11", 11 }, | |
267 | { "fs12", 12 }, | |
268 | { "fs13", 13 }, | |
269 | { "fs14", 14 }, | |
270 | { "fs15", 15 }, | |
271 | { "fs16", 16 }, | |
272 | { "fs17", 17 }, | |
273 | { "fs18", 18 }, | |
274 | { "fs19", 19 }, | |
275 | { "fs2", 2 }, | |
276 | { "fs20", 20 }, | |
277 | { "fs21", 21 }, | |
278 | { "fs22", 22 }, | |
279 | { "fs23", 23 }, | |
280 | { "fs24", 24 }, | |
281 | { "fs25", 25 }, | |
282 | { "fs26", 26 }, | |
283 | { "fs27", 27 }, | |
284 | { "fs28", 28 }, | |
285 | { "fs29", 29 }, | |
286 | { "fs3", 3 }, | |
287 | { "fs30", 30 }, | |
288 | { "fs31", 31 }, | |
289 | { "fs4", 4 }, | |
290 | { "fs5", 5 }, | |
291 | { "fs6", 6 }, | |
292 | { "fs7", 7 }, | |
293 | { "fs8", 8 }, | |
294 | { "fs9", 9 }, | |
295 | }; | |
296 | ||
297 | #define FLOAT_REG_NAME_CNT \ | |
298 | (sizeof (float_registers) / sizeof (struct reg_name)) | |
299 | ||
300 | static const struct reg_name double_registers[] = | |
301 | { | |
302 | { "fd0", 0 }, | |
303 | { "fd10", 10 }, | |
304 | { "fd12", 12 }, | |
305 | { "fd14", 14 }, | |
306 | { "fd16", 16 }, | |
307 | { "fd18", 18 }, | |
308 | { "fd2", 2 }, | |
309 | { "fd20", 20 }, | |
310 | { "fd22", 22 }, | |
311 | { "fd24", 24 }, | |
312 | { "fd26", 26 }, | |
313 | { "fd28", 28 }, | |
314 | { "fd30", 30 }, | |
315 | { "fd4", 4 }, | |
316 | { "fd6", 6 }, | |
317 | { "fd8", 8 }, | |
318 | }; | |
319 | ||
320 | #define DOUBLE_REG_NAME_CNT \ | |
321 | (sizeof (double_registers) / sizeof (struct reg_name)) | |
322 | ||
323 | ||
252b5132 RH |
324 | /* reg_name_search does a binary search of the given register table |
325 | to see if "name" is a valid regiter name. Returns the register | |
87271fa6 | 326 | number from the array on success, or -1 on failure. */ |
252b5132 RH |
327 | |
328 | static int | |
329 | reg_name_search (regs, regcount, name) | |
330 | const struct reg_name *regs; | |
331 | int regcount; | |
332 | const char *name; | |
333 | { | |
334 | int middle, low, high; | |
335 | int cmp; | |
336 | ||
337 | low = 0; | |
338 | high = regcount - 1; | |
339 | ||
340 | do | |
341 | { | |
342 | middle = (low + high) / 2; | |
343 | cmp = strcasecmp (name, regs[middle].name); | |
344 | if (cmp < 0) | |
345 | high = middle - 1; | |
346 | else if (cmp > 0) | |
347 | low = middle + 1; | |
87271fa6 NC |
348 | else |
349 | return regs[middle].value; | |
252b5132 RH |
350 | } |
351 | while (low <= high); | |
352 | return -1; | |
353 | } | |
354 | ||
85cb2cf9 JL |
355 | /* Summary of register_name(). |
356 | * | |
357 | * in: Input_line_pointer points to 1st char of operand. | |
358 | * | |
b6ff326e | 359 | * out: An expressionS. |
85cb2cf9 JL |
360 | * The operand may have been a register: in this case, X_op == O_register, |
361 | * X_add_number is set to the register number, and truth is returned. | |
362 | * Input_line_pointer->(next non-blank) char after operand, or is in | |
363 | * its original state. | |
364 | */ | |
87271fa6 | 365 | |
b34976b6 | 366 | static bfd_boolean |
85cb2cf9 JL |
367 | r_register_name (expressionP) |
368 | expressionS *expressionP; | |
369 | { | |
370 | int reg_number; | |
371 | char *name; | |
372 | char *start; | |
373 | char c; | |
374 | ||
87271fa6 | 375 | /* Find the spelling of the operand. */ |
85cb2cf9 JL |
376 | start = name = input_line_pointer; |
377 | ||
378 | c = get_symbol_end (); | |
379 | reg_number = reg_name_search (r_registers, R_REG_NAME_CNT, name); | |
380 | ||
468cced8 AM |
381 | /* Put back the delimiting char. */ |
382 | *input_line_pointer = c; | |
383 | ||
87271fa6 NC |
384 | /* Look to see if it's in the register table. */ |
385 | if (reg_number >= 0) | |
85cb2cf9 JL |
386 | { |
387 | expressionP->X_op = O_register; | |
388 | expressionP->X_add_number = reg_number; | |
389 | ||
87271fa6 | 390 | /* Make the rest nice. */ |
85cb2cf9 JL |
391 | expressionP->X_add_symbol = NULL; |
392 | expressionP->X_op_symbol = NULL; | |
87271fa6 | 393 | |
b34976b6 | 394 | return TRUE; |
85cb2cf9 | 395 | } |
87271fa6 | 396 | |
468cced8 AM |
397 | /* Reset the line as if we had not done anything. */ |
398 | input_line_pointer = start; | |
b34976b6 | 399 | return FALSE; |
85cb2cf9 JL |
400 | } |
401 | ||
402 | /* Summary of register_name(). | |
403 | * | |
404 | * in: Input_line_pointer points to 1st char of operand. | |
405 | * | |
b6ff326e | 406 | * out: An expressionS. |
85cb2cf9 JL |
407 | * The operand may have been a register: in this case, X_op == O_register, |
408 | * X_add_number is set to the register number, and truth is returned. | |
409 | * Input_line_pointer->(next non-blank) char after operand, or is in | |
410 | * its original state. | |
411 | */ | |
87271fa6 | 412 | |
b34976b6 | 413 | static bfd_boolean |
85cb2cf9 JL |
414 | xr_register_name (expressionP) |
415 | expressionS *expressionP; | |
416 | { | |
417 | int reg_number; | |
418 | char *name; | |
419 | char *start; | |
420 | char c; | |
421 | ||
87271fa6 | 422 | /* Find the spelling of the operand. */ |
85cb2cf9 JL |
423 | start = name = input_line_pointer; |
424 | ||
425 | c = get_symbol_end (); | |
426 | reg_number = reg_name_search (xr_registers, XR_REG_NAME_CNT, name); | |
427 | ||
468cced8 AM |
428 | /* Put back the delimiting char. */ |
429 | *input_line_pointer = c; | |
430 | ||
87271fa6 NC |
431 | /* Look to see if it's in the register table. */ |
432 | if (reg_number >= 0) | |
85cb2cf9 JL |
433 | { |
434 | expressionP->X_op = O_register; | |
435 | expressionP->X_add_number = reg_number; | |
436 | ||
87271fa6 | 437 | /* Make the rest nice. */ |
85cb2cf9 JL |
438 | expressionP->X_add_symbol = NULL; |
439 | expressionP->X_op_symbol = NULL; | |
87271fa6 | 440 | |
b34976b6 | 441 | return TRUE; |
85cb2cf9 | 442 | } |
87271fa6 | 443 | |
468cced8 AM |
444 | /* Reset the line as if we had not done anything. */ |
445 | input_line_pointer = start; | |
b34976b6 | 446 | return FALSE; |
85cb2cf9 | 447 | } |
252b5132 RH |
448 | |
449 | /* Summary of register_name(). | |
450 | * | |
451 | * in: Input_line_pointer points to 1st char of operand. | |
452 | * | |
b6ff326e | 453 | * out: An expressionS. |
252b5132 RH |
454 | * The operand may have been a register: in this case, X_op == O_register, |
455 | * X_add_number is set to the register number, and truth is returned. | |
456 | * Input_line_pointer->(next non-blank) char after operand, or is in | |
457 | * its original state. | |
458 | */ | |
87271fa6 | 459 | |
b34976b6 | 460 | static bfd_boolean |
252b5132 RH |
461 | data_register_name (expressionP) |
462 | expressionS *expressionP; | |
463 | { | |
464 | int reg_number; | |
465 | char *name; | |
466 | char *start; | |
467 | char c; | |
468 | ||
87271fa6 | 469 | /* Find the spelling of the operand. */ |
252b5132 RH |
470 | start = name = input_line_pointer; |
471 | ||
472 | c = get_symbol_end (); | |
473 | reg_number = reg_name_search (data_registers, DATA_REG_NAME_CNT, name); | |
474 | ||
468cced8 AM |
475 | /* Put back the delimiting char. */ |
476 | *input_line_pointer = c; | |
477 | ||
87271fa6 NC |
478 | /* Look to see if it's in the register table. */ |
479 | if (reg_number >= 0) | |
252b5132 RH |
480 | { |
481 | expressionP->X_op = O_register; | |
482 | expressionP->X_add_number = reg_number; | |
483 | ||
87271fa6 | 484 | /* Make the rest nice. */ |
252b5132 RH |
485 | expressionP->X_add_symbol = NULL; |
486 | expressionP->X_op_symbol = NULL; | |
87271fa6 | 487 | |
b34976b6 | 488 | return TRUE; |
252b5132 | 489 | } |
87271fa6 | 490 | |
468cced8 AM |
491 | /* Reset the line as if we had not done anything. */ |
492 | input_line_pointer = start; | |
b34976b6 | 493 | return FALSE; |
252b5132 RH |
494 | } |
495 | ||
496 | /* Summary of register_name(). | |
497 | * | |
498 | * in: Input_line_pointer points to 1st char of operand. | |
499 | * | |
b6ff326e | 500 | * out: An expressionS. |
252b5132 RH |
501 | * The operand may have been a register: in this case, X_op == O_register, |
502 | * X_add_number is set to the register number, and truth is returned. | |
503 | * Input_line_pointer->(next non-blank) char after operand, or is in | |
504 | * its original state. | |
505 | */ | |
87271fa6 | 506 | |
b34976b6 | 507 | static bfd_boolean |
252b5132 RH |
508 | address_register_name (expressionP) |
509 | expressionS *expressionP; | |
510 | { | |
511 | int reg_number; | |
512 | char *name; | |
513 | char *start; | |
514 | char c; | |
515 | ||
87271fa6 | 516 | /* Find the spelling of the operand. */ |
252b5132 RH |
517 | start = name = input_line_pointer; |
518 | ||
519 | c = get_symbol_end (); | |
520 | reg_number = reg_name_search (address_registers, ADDRESS_REG_NAME_CNT, name); | |
521 | ||
468cced8 AM |
522 | /* Put back the delimiting char. */ |
523 | *input_line_pointer = c; | |
524 | ||
87271fa6 NC |
525 | /* Look to see if it's in the register table. */ |
526 | if (reg_number >= 0) | |
252b5132 RH |
527 | { |
528 | expressionP->X_op = O_register; | |
529 | expressionP->X_add_number = reg_number; | |
530 | ||
87271fa6 | 531 | /* Make the rest nice. */ |
252b5132 RH |
532 | expressionP->X_add_symbol = NULL; |
533 | expressionP->X_op_symbol = NULL; | |
87271fa6 | 534 | |
b34976b6 | 535 | return TRUE; |
252b5132 | 536 | } |
87271fa6 | 537 | |
468cced8 AM |
538 | /* Reset the line as if we had not done anything. */ |
539 | input_line_pointer = start; | |
b34976b6 | 540 | return FALSE; |
252b5132 RH |
541 | } |
542 | ||
543 | /* Summary of register_name(). | |
544 | * | |
545 | * in: Input_line_pointer points to 1st char of operand. | |
546 | * | |
b6ff326e | 547 | * out: An expressionS. |
252b5132 RH |
548 | * The operand may have been a register: in this case, X_op == O_register, |
549 | * X_add_number is set to the register number, and truth is returned. | |
550 | * Input_line_pointer->(next non-blank) char after operand, or is in | |
551 | * its original state. | |
552 | */ | |
87271fa6 | 553 | |
b34976b6 | 554 | static bfd_boolean |
252b5132 RH |
555 | other_register_name (expressionP) |
556 | expressionS *expressionP; | |
557 | { | |
558 | int reg_number; | |
559 | char *name; | |
560 | char *start; | |
561 | char c; | |
562 | ||
87271fa6 | 563 | /* Find the spelling of the operand. */ |
252b5132 RH |
564 | start = name = input_line_pointer; |
565 | ||
566 | c = get_symbol_end (); | |
567 | reg_number = reg_name_search (other_registers, OTHER_REG_NAME_CNT, name); | |
568 | ||
468cced8 AM |
569 | /* Put back the delimiting char. */ |
570 | *input_line_pointer = c; | |
571 | ||
87271fa6 | 572 | /* Look to see if it's in the register table. */ |
913572ec AO |
573 | if (reg_number == 0 |
574 | || (reg_number == AM33 && HAVE_AM33)) | |
252b5132 RH |
575 | { |
576 | expressionP->X_op = O_register; | |
913572ec | 577 | expressionP->X_add_number = 0; |
252b5132 | 578 | |
87271fa6 | 579 | /* Make the rest nice. */ |
252b5132 RH |
580 | expressionP->X_add_symbol = NULL; |
581 | expressionP->X_op_symbol = NULL; | |
87271fa6 | 582 | |
b34976b6 | 583 | return TRUE; |
252b5132 | 584 | } |
87271fa6 | 585 | |
468cced8 AM |
586 | /* Reset the line as if we had not done anything. */ |
587 | input_line_pointer = start; | |
b34976b6 | 588 | return FALSE; |
252b5132 RH |
589 | } |
590 | ||
e7b71525 AO |
591 | static bfd_boolean double_register_name PARAMS ((expressionS *)); |
592 | static bfd_boolean float_register_name PARAMS ((expressionS *)); | |
593 | ||
594 | /* Summary of float_register_name: | |
595 | ||
596 | in: Input_line_pointer points to 1st char of operand. | |
597 | ||
598 | out: A expressionS. | |
599 | The operand may have been a register: in this case, X_op == O_register, | |
600 | X_add_number is set to the register number, and truth is returned. | |
601 | Input_line_pointer->(next non-blank) char after operand, or is in | |
602 | its original state. */ | |
603 | ||
604 | static bfd_boolean | |
605 | float_register_name (expressionP) | |
606 | expressionS *expressionP; | |
607 | { | |
608 | int reg_number; | |
609 | char *name; | |
610 | char *start; | |
611 | char c; | |
612 | ||
613 | /* Find the spelling of the operand. */ | |
614 | start = name = input_line_pointer; | |
615 | ||
616 | c = get_symbol_end (); | |
617 | reg_number = reg_name_search (float_registers, FLOAT_REG_NAME_CNT, name); | |
618 | ||
619 | /* Put back the delimiting char. */ | |
620 | * input_line_pointer = c; | |
621 | ||
622 | /* Look to see if it's in the register table. */ | |
623 | if (reg_number >= 0) | |
624 | { | |
625 | expressionP->X_op = O_register; | |
626 | expressionP->X_add_number = reg_number; | |
627 | ||
628 | /* Make the rest nice. */ | |
629 | expressionP->X_add_symbol = NULL; | |
630 | expressionP->X_op_symbol = NULL; | |
631 | ||
632 | return TRUE; | |
633 | } | |
634 | ||
635 | /* Reset the line as if we had not done anything. */ | |
636 | input_line_pointer = start; | |
637 | return FALSE; | |
638 | } | |
639 | ||
640 | /* Summary of double_register_name: | |
641 | ||
642 | in: Input_line_pointer points to 1st char of operand. | |
643 | ||
644 | out: A expressionS. | |
645 | The operand may have been a register: in this case, X_op == O_register, | |
646 | X_add_number is set to the register number, and truth is returned. | |
647 | Input_line_pointer->(next non-blank) char after operand, or is in | |
648 | its original state. */ | |
649 | ||
650 | static bfd_boolean | |
651 | double_register_name (expressionP) | |
652 | expressionS *expressionP; | |
653 | { | |
654 | int reg_number; | |
655 | char *name; | |
656 | char *start; | |
657 | char c; | |
658 | ||
659 | /* Find the spelling of the operand. */ | |
660 | start = name = input_line_pointer; | |
661 | ||
662 | c = get_symbol_end (); | |
663 | reg_number = reg_name_search (double_registers, DOUBLE_REG_NAME_CNT, name); | |
664 | ||
665 | /* Put back the delimiting char. */ | |
666 | * input_line_pointer = c; | |
667 | ||
668 | /* Look to see if it's in the register table. */ | |
669 | if (reg_number >= 0) | |
670 | { | |
671 | expressionP->X_op = O_register; | |
672 | expressionP->X_add_number = reg_number; | |
673 | ||
674 | /* Make the rest nice. */ | |
675 | expressionP->X_add_symbol = NULL; | |
676 | expressionP->X_op_symbol = NULL; | |
677 | ||
678 | return TRUE; | |
679 | } | |
680 | ||
681 | /* Reset the line as if we had not done anything. */ | |
682 | input_line_pointer = start; | |
683 | return FALSE; | |
684 | } | |
685 | ||
252b5132 RH |
686 | void |
687 | md_show_usage (stream) | |
87271fa6 | 688 | FILE *stream; |
252b5132 | 689 | { |
87271fa6 | 690 | fprintf (stream, _("MN10300 options:\n\ |
252b5132 | 691 | none yet\n")); |
87271fa6 | 692 | } |
252b5132 RH |
693 | |
694 | int | |
695 | md_parse_option (c, arg) | |
b4c1ea07 EC |
696 | int c ATTRIBUTE_UNUSED; |
697 | char *arg ATTRIBUTE_UNUSED; | |
252b5132 RH |
698 | { |
699 | return 0; | |
700 | } | |
701 | ||
702 | symbolS * | |
703 | md_undefined_symbol (name) | |
b4c1ea07 | 704 | char *name ATTRIBUTE_UNUSED; |
252b5132 RH |
705 | { |
706 | return 0; | |
707 | } | |
708 | ||
709 | char * | |
710 | md_atof (type, litp, sizep) | |
87271fa6 NC |
711 | int type; |
712 | char *litp; | |
713 | int *sizep; | |
252b5132 RH |
714 | { |
715 | int prec; | |
716 | LITTLENUM_TYPE words[4]; | |
717 | char *t; | |
718 | int i; | |
719 | ||
720 | switch (type) | |
721 | { | |
722 | case 'f': | |
723 | prec = 2; | |
724 | break; | |
725 | ||
726 | case 'd': | |
727 | prec = 4; | |
728 | break; | |
729 | ||
730 | default: | |
731 | *sizep = 0; | |
732 | return "bad call to md_atof"; | |
733 | } | |
87271fa6 | 734 | |
252b5132 RH |
735 | t = atof_ieee (input_line_pointer, type, words); |
736 | if (t) | |
737 | input_line_pointer = t; | |
738 | ||
739 | *sizep = prec * 2; | |
740 | ||
741 | for (i = prec - 1; i >= 0; i--) | |
742 | { | |
743 | md_number_to_chars (litp, (valueT) words[i], 2); | |
744 | litp += 2; | |
745 | } | |
746 | ||
747 | return NULL; | |
748 | } | |
749 | ||
252b5132 RH |
750 | void |
751 | md_convert_frag (abfd, sec, fragP) | |
b4c1ea07 | 752 | bfd *abfd ATTRIBUTE_UNUSED; |
87271fa6 NC |
753 | asection *sec; |
754 | fragS *fragP; | |
252b5132 RH |
755 | { |
756 | static unsigned long label_count = 0; | |
757 | char buf[40]; | |
758 | ||
759 | subseg_change (sec, 0); | |
760 | if (fragP->fr_subtype == 0) | |
761 | { | |
762 | fix_new (fragP, fragP->fr_fix + 1, 1, fragP->fr_symbol, | |
763 | fragP->fr_offset + 1, 1, BFD_RELOC_8_PCREL); | |
764 | fragP->fr_var = 0; | |
765 | fragP->fr_fix += 2; | |
766 | } | |
767 | else if (fragP->fr_subtype == 1) | |
768 | { | |
769 | /* Reverse the condition of the first branch. */ | |
770 | int offset = fragP->fr_fix; | |
771 | int opcode = fragP->fr_literal[offset] & 0xff; | |
772 | ||
773 | switch (opcode) | |
774 | { | |
775 | case 0xc8: | |
776 | opcode = 0xc9; | |
777 | break; | |
778 | case 0xc9: | |
779 | opcode = 0xc8; | |
780 | break; | |
781 | case 0xc0: | |
782 | opcode = 0xc2; | |
783 | break; | |
784 | case 0xc2: | |
785 | opcode = 0xc0; | |
786 | break; | |
787 | case 0xc3: | |
788 | opcode = 0xc1; | |
789 | break; | |
790 | case 0xc1: | |
791 | opcode = 0xc3; | |
792 | break; | |
793 | case 0xc4: | |
794 | opcode = 0xc6; | |
795 | break; | |
796 | case 0xc6: | |
797 | opcode = 0xc4; | |
798 | break; | |
799 | case 0xc7: | |
800 | opcode = 0xc5; | |
801 | break; | |
802 | case 0xc5: | |
803 | opcode = 0xc7; | |
804 | break; | |
805 | default: | |
806 | abort (); | |
807 | } | |
808 | fragP->fr_literal[offset] = opcode; | |
809 | ||
810 | /* Create a fixup for the reversed conditional branch. */ | |
0aa529cb | 811 | sprintf (buf, ".%s_%ld", FAKE_LABEL_NAME, label_count++); |
252b5132 RH |
812 | fix_new (fragP, fragP->fr_fix + 1, 1, |
813 | symbol_new (buf, sec, 0, fragP->fr_next), | |
814 | fragP->fr_offset + 1, 1, BFD_RELOC_8_PCREL); | |
815 | ||
816 | /* Now create the unconditional branch + fixup to the | |
817 | final target. */ | |
818 | fragP->fr_literal[offset + 2] = 0xcc; | |
819 | fix_new (fragP, fragP->fr_fix + 3, 2, fragP->fr_symbol, | |
820 | fragP->fr_offset + 1, 1, BFD_RELOC_16_PCREL); | |
821 | fragP->fr_var = 0; | |
822 | fragP->fr_fix += 5; | |
823 | } | |
824 | else if (fragP->fr_subtype == 2) | |
825 | { | |
826 | /* Reverse the condition of the first branch. */ | |
827 | int offset = fragP->fr_fix; | |
828 | int opcode = fragP->fr_literal[offset] & 0xff; | |
829 | ||
830 | switch (opcode) | |
831 | { | |
832 | case 0xc8: | |
833 | opcode = 0xc9; | |
834 | break; | |
835 | case 0xc9: | |
836 | opcode = 0xc8; | |
837 | break; | |
838 | case 0xc0: | |
839 | opcode = 0xc2; | |
840 | break; | |
841 | case 0xc2: | |
842 | opcode = 0xc0; | |
843 | break; | |
844 | case 0xc3: | |
845 | opcode = 0xc1; | |
846 | break; | |
847 | case 0xc1: | |
848 | opcode = 0xc3; | |
849 | break; | |
850 | case 0xc4: | |
851 | opcode = 0xc6; | |
852 | break; | |
853 | case 0xc6: | |
854 | opcode = 0xc4; | |
855 | break; | |
856 | case 0xc7: | |
857 | opcode = 0xc5; | |
858 | break; | |
859 | case 0xc5: | |
860 | opcode = 0xc7; | |
861 | break; | |
862 | default: | |
863 | abort (); | |
864 | } | |
865 | fragP->fr_literal[offset] = opcode; | |
866 | ||
867 | /* Create a fixup for the reversed conditional branch. */ | |
0aa529cb | 868 | sprintf (buf, ".%s_%ld", FAKE_LABEL_NAME, label_count++); |
252b5132 RH |
869 | fix_new (fragP, fragP->fr_fix + 1, 1, |
870 | symbol_new (buf, sec, 0, fragP->fr_next), | |
871 | fragP->fr_offset + 1, 1, BFD_RELOC_8_PCREL); | |
872 | ||
873 | /* Now create the unconditional branch + fixup to the | |
874 | final target. */ | |
875 | fragP->fr_literal[offset + 2] = 0xdc; | |
876 | fix_new (fragP, fragP->fr_fix + 3, 4, fragP->fr_symbol, | |
877 | fragP->fr_offset + 1, 1, BFD_RELOC_32_PCREL); | |
878 | fragP->fr_var = 0; | |
879 | fragP->fr_fix += 7; | |
880 | } | |
881 | else if (fragP->fr_subtype == 3) | |
882 | { | |
883 | fix_new (fragP, fragP->fr_fix + 2, 1, fragP->fr_symbol, | |
884 | fragP->fr_offset + 2, 1, BFD_RELOC_8_PCREL); | |
885 | fragP->fr_var = 0; | |
886 | fragP->fr_fix += 3; | |
887 | } | |
888 | else if (fragP->fr_subtype == 4) | |
889 | { | |
890 | /* Reverse the condition of the first branch. */ | |
891 | int offset = fragP->fr_fix; | |
892 | int opcode = fragP->fr_literal[offset + 1] & 0xff; | |
893 | ||
894 | switch (opcode) | |
895 | { | |
896 | case 0xe8: | |
897 | opcode = 0xe9; | |
898 | break; | |
899 | case 0xe9: | |
900 | opcode = 0xe8; | |
901 | break; | |
902 | case 0xea: | |
903 | opcode = 0xeb; | |
904 | break; | |
905 | case 0xeb: | |
906 | opcode = 0xea; | |
907 | break; | |
908 | default: | |
909 | abort (); | |
910 | } | |
911 | fragP->fr_literal[offset + 1] = opcode; | |
912 | ||
913 | /* Create a fixup for the reversed conditional branch. */ | |
0aa529cb | 914 | sprintf (buf, ".%s_%ld", FAKE_LABEL_NAME, label_count++); |
252b5132 RH |
915 | fix_new (fragP, fragP->fr_fix + 2, 1, |
916 | symbol_new (buf, sec, 0, fragP->fr_next), | |
917 | fragP->fr_offset + 2, 1, BFD_RELOC_8_PCREL); | |
918 | ||
919 | /* Now create the unconditional branch + fixup to the | |
920 | final target. */ | |
921 | fragP->fr_literal[offset + 3] = 0xcc; | |
922 | fix_new (fragP, fragP->fr_fix + 4, 2, fragP->fr_symbol, | |
923 | fragP->fr_offset + 1, 1, BFD_RELOC_16_PCREL); | |
924 | fragP->fr_var = 0; | |
925 | fragP->fr_fix += 6; | |
926 | } | |
927 | else if (fragP->fr_subtype == 5) | |
928 | { | |
929 | /* Reverse the condition of the first branch. */ | |
930 | int offset = fragP->fr_fix; | |
931 | int opcode = fragP->fr_literal[offset + 1] & 0xff; | |
932 | ||
933 | switch (opcode) | |
934 | { | |
935 | case 0xe8: | |
936 | opcode = 0xe9; | |
937 | break; | |
938 | case 0xea: | |
939 | opcode = 0xeb; | |
940 | break; | |
941 | case 0xeb: | |
942 | opcode = 0xea; | |
943 | break; | |
944 | default: | |
945 | abort (); | |
946 | } | |
947 | fragP->fr_literal[offset + 1] = opcode; | |
948 | ||
949 | /* Create a fixup for the reversed conditional branch. */ | |
0aa529cb | 950 | sprintf (buf, ".%s_%ld", FAKE_LABEL_NAME, label_count++); |
252b5132 RH |
951 | fix_new (fragP, fragP->fr_fix + 2, 1, |
952 | symbol_new (buf, sec, 0, fragP->fr_next), | |
953 | fragP->fr_offset + 2, 1, BFD_RELOC_8_PCREL); | |
954 | ||
955 | /* Now create the unconditional branch + fixup to the | |
956 | final target. */ | |
957 | fragP->fr_literal[offset + 3] = 0xdc; | |
958 | fix_new (fragP, fragP->fr_fix + 4, 4, fragP->fr_symbol, | |
959 | fragP->fr_offset + 1, 1, BFD_RELOC_32_PCREL); | |
960 | fragP->fr_var = 0; | |
961 | fragP->fr_fix += 8; | |
962 | } | |
963 | else if (fragP->fr_subtype == 6) | |
964 | { | |
965 | int offset = fragP->fr_fix; | |
966 | fragP->fr_literal[offset] = 0xcd; | |
967 | fix_new (fragP, fragP->fr_fix + 1, 2, fragP->fr_symbol, | |
968 | fragP->fr_offset + 1, 1, BFD_RELOC_16_PCREL); | |
969 | fragP->fr_var = 0; | |
970 | fragP->fr_fix += 5; | |
971 | } | |
972 | else if (fragP->fr_subtype == 7) | |
973 | { | |
974 | int offset = fragP->fr_fix; | |
975 | fragP->fr_literal[offset] = 0xdd; | |
976 | fragP->fr_literal[offset + 5] = fragP->fr_literal[offset + 3]; | |
977 | fragP->fr_literal[offset + 6] = fragP->fr_literal[offset + 4]; | |
978 | ||
979 | fix_new (fragP, fragP->fr_fix + 1, 4, fragP->fr_symbol, | |
980 | fragP->fr_offset + 1, 1, BFD_RELOC_32_PCREL); | |
981 | fragP->fr_var = 0; | |
982 | fragP->fr_fix += 7; | |
983 | } | |
984 | else if (fragP->fr_subtype == 8) | |
985 | { | |
986 | int offset = fragP->fr_fix; | |
987 | fragP->fr_literal[offset] = 0xfa; | |
988 | fragP->fr_literal[offset + 1] = 0xff; | |
989 | fix_new (fragP, fragP->fr_fix + 2, 2, fragP->fr_symbol, | |
990 | fragP->fr_offset + 2, 1, BFD_RELOC_16_PCREL); | |
991 | fragP->fr_var = 0; | |
992 | fragP->fr_fix += 4; | |
993 | } | |
994 | else if (fragP->fr_subtype == 9) | |
995 | { | |
996 | int offset = fragP->fr_fix; | |
997 | fragP->fr_literal[offset] = 0xfc; | |
998 | fragP->fr_literal[offset + 1] = 0xff; | |
999 | ||
1000 | fix_new (fragP, fragP->fr_fix + 2, 4, fragP->fr_symbol, | |
1001 | fragP->fr_offset + 2, 1, BFD_RELOC_32_PCREL); | |
1002 | fragP->fr_var = 0; | |
1003 | fragP->fr_fix += 6; | |
1004 | } | |
1005 | else if (fragP->fr_subtype == 10) | |
1006 | { | |
1007 | fragP->fr_literal[fragP->fr_fix] = 0xca; | |
1008 | fix_new (fragP, fragP->fr_fix + 1, 1, fragP->fr_symbol, | |
1009 | fragP->fr_offset + 1, 1, BFD_RELOC_8_PCREL); | |
1010 | fragP->fr_var = 0; | |
1011 | fragP->fr_fix += 2; | |
1012 | } | |
1013 | else if (fragP->fr_subtype == 11) | |
1014 | { | |
1015 | int offset = fragP->fr_fix; | |
1016 | fragP->fr_literal[offset] = 0xcc; | |
1017 | ||
1018 | fix_new (fragP, fragP->fr_fix + 1, 4, fragP->fr_symbol, | |
1019 | fragP->fr_offset + 1, 1, BFD_RELOC_16_PCREL); | |
1020 | fragP->fr_var = 0; | |
1021 | fragP->fr_fix += 3; | |
1022 | } | |
1023 | else if (fragP->fr_subtype == 12) | |
1024 | { | |
1025 | int offset = fragP->fr_fix; | |
1026 | fragP->fr_literal[offset] = 0xdc; | |
1027 | ||
1028 | fix_new (fragP, fragP->fr_fix + 1, 4, fragP->fr_symbol, | |
1029 | fragP->fr_offset + 1, 1, BFD_RELOC_32_PCREL); | |
1030 | fragP->fr_var = 0; | |
1031 | fragP->fr_fix += 5; | |
1032 | } | |
e7b71525 AO |
1033 | else if (fragP->fr_subtype == 13) |
1034 | { | |
1035 | fix_new (fragP, fragP->fr_fix + 2, 1, fragP->fr_symbol, | |
1036 | fragP->fr_offset + 2, 1, BFD_RELOC_8_PCREL); | |
1037 | fragP->fr_var = 0; | |
1038 | fragP->fr_fix += 3; | |
1039 | } | |
1040 | else if (fragP->fr_subtype == 14) | |
1041 | { | |
1042 | /* Reverse the condition of the first branch. */ | |
1043 | int offset = fragP->fr_fix; | |
1044 | int opcode = fragP->fr_literal[offset + 1] & 0xff; | |
1045 | ||
1046 | switch (opcode) | |
1047 | { | |
1048 | case 0xd0: | |
1049 | opcode = 0xd1; | |
1050 | break; | |
1051 | case 0xd1: | |
1052 | opcode = 0xd0; | |
1053 | break; | |
1054 | case 0xd2: | |
1055 | opcode = 0xdc; | |
1056 | break; | |
1057 | case 0xd3: | |
1058 | opcode = 0xdb; | |
1059 | break; | |
1060 | case 0xd4: | |
1061 | opcode = 0xda; | |
1062 | break; | |
1063 | case 0xd5: | |
1064 | opcode = 0xd9; | |
1065 | break; | |
1066 | case 0xd6: | |
1067 | opcode = 0xd8; | |
1068 | break; | |
1069 | case 0xd7: | |
1070 | opcode = 0xdd; | |
1071 | break; | |
1072 | case 0xd8: | |
1073 | opcode = 0xd6; | |
1074 | break; | |
1075 | case 0xd9: | |
1076 | opcode = 0xd5; | |
1077 | break; | |
1078 | case 0xda: | |
1079 | opcode = 0xd4; | |
1080 | break; | |
1081 | case 0xdb: | |
1082 | opcode = 0xd3; | |
1083 | break; | |
1084 | case 0xdc: | |
1085 | opcode = 0xd2; | |
1086 | break; | |
1087 | case 0xdd: | |
1088 | opcode = 0xd7; | |
1089 | break; | |
1090 | default: | |
1091 | abort (); | |
1092 | } | |
1093 | fragP->fr_literal[offset + 1] = opcode; | |
1094 | ||
1095 | /* Create a fixup for the reversed conditional branch. */ | |
1096 | sprintf (buf, ".%s_%ld", FAKE_LABEL_NAME, label_count++); | |
1097 | fix_new (fragP, fragP->fr_fix + 2, 1, | |
1098 | symbol_new (buf, sec, 0, fragP->fr_next), | |
1099 | fragP->fr_offset + 2, 1, BFD_RELOC_8_PCREL); | |
1100 | ||
1101 | /* Now create the unconditional branch + fixup to the | |
1102 | final target. */ | |
1103 | fragP->fr_literal[offset + 3] = 0xcc; | |
1104 | fix_new (fragP, fragP->fr_fix + 4, 2, fragP->fr_symbol, | |
1105 | fragP->fr_offset + 1, 1, BFD_RELOC_16_PCREL); | |
1106 | fragP->fr_var = 0; | |
1107 | fragP->fr_fix += 6; | |
1108 | } | |
1109 | else if (fragP->fr_subtype == 15) | |
1110 | { | |
1111 | /* Reverse the condition of the first branch. */ | |
1112 | int offset = fragP->fr_fix; | |
1113 | int opcode = fragP->fr_literal[offset + 1] & 0xff; | |
1114 | ||
1115 | switch (opcode) | |
1116 | { | |
1117 | case 0xd0: | |
1118 | opcode = 0xd1; | |
1119 | break; | |
1120 | case 0xd1: | |
1121 | opcode = 0xd0; | |
1122 | break; | |
1123 | case 0xd2: | |
1124 | opcode = 0xdc; | |
1125 | break; | |
1126 | case 0xd3: | |
1127 | opcode = 0xdb; | |
1128 | break; | |
1129 | case 0xd4: | |
1130 | opcode = 0xda; | |
1131 | break; | |
1132 | case 0xd5: | |
1133 | opcode = 0xd9; | |
1134 | break; | |
1135 | case 0xd6: | |
1136 | opcode = 0xd8; | |
1137 | break; | |
1138 | case 0xd7: | |
1139 | opcode = 0xdd; | |
1140 | break; | |
1141 | case 0xd8: | |
1142 | opcode = 0xd6; | |
1143 | break; | |
1144 | case 0xd9: | |
1145 | opcode = 0xd5; | |
1146 | break; | |
1147 | case 0xda: | |
1148 | opcode = 0xd4; | |
1149 | break; | |
1150 | case 0xdb: | |
1151 | opcode = 0xd3; | |
1152 | break; | |
1153 | case 0xdc: | |
1154 | opcode = 0xd2; | |
1155 | break; | |
1156 | case 0xdd: | |
1157 | opcode = 0xd7; | |
1158 | break; | |
1159 | default: | |
1160 | abort (); | |
1161 | } | |
1162 | fragP->fr_literal[offset + 1] = opcode; | |
1163 | ||
1164 | /* Create a fixup for the reversed conditional branch. */ | |
1165 | sprintf (buf, ".%s_%ld", FAKE_LABEL_NAME, label_count++); | |
1166 | fix_new (fragP, fragP->fr_fix + 2, 1, | |
1167 | symbol_new (buf, sec, 0, fragP->fr_next), | |
1168 | fragP->fr_offset + 2, 1, BFD_RELOC_8_PCREL); | |
1169 | ||
1170 | /* Now create the unconditional branch + fixup to the | |
1171 | final target. */ | |
1172 | fragP->fr_literal[offset + 3] = 0xdc; | |
1173 | fix_new (fragP, fragP->fr_fix + 4, 4, fragP->fr_symbol, | |
1174 | fragP->fr_offset + 1, 1, BFD_RELOC_32_PCREL); | |
1175 | fragP->fr_var = 0; | |
1176 | fragP->fr_fix += 8; | |
1177 | } | |
252b5132 RH |
1178 | else |
1179 | abort (); | |
1180 | } | |
1181 | ||
1182 | valueT | |
1183 | md_section_align (seg, addr) | |
1184 | asection *seg; | |
1185 | valueT addr; | |
1186 | { | |
1187 | int align = bfd_get_section_alignment (stdoutput, seg); | |
1188 | return ((addr + (1 << align) - 1) & (-1 << align)); | |
1189 | } | |
1190 | ||
1191 | void | |
1192 | md_begin () | |
1193 | { | |
1194 | char *prev_name = ""; | |
1195 | register const struct mn10300_opcode *op; | |
1196 | ||
87271fa6 | 1197 | mn10300_hash = hash_new (); |
252b5132 RH |
1198 | |
1199 | /* Insert unique names into hash table. The MN10300 instruction set | |
1200 | has many identical opcode names that have different opcodes based | |
1201 | on the operands. This hash table then provides a quick index to | |
1202 | the first opcode with a particular name in the opcode table. */ | |
1203 | ||
1204 | op = mn10300_opcodes; | |
1205 | while (op->name) | |
1206 | { | |
87271fa6 | 1207 | if (strcmp (prev_name, op->name)) |
252b5132 RH |
1208 | { |
1209 | prev_name = (char *) op->name; | |
1210 | hash_insert (mn10300_hash, op->name, (char *) op); | |
1211 | } | |
1212 | op++; | |
1213 | } | |
1214 | ||
252b5132 | 1215 | /* Set the default machine type. */ |
2ce28d43 AO |
1216 | #ifdef TE_LINUX |
1217 | if (!bfd_set_arch_mach (stdoutput, bfd_arch_mn10300, AM33_2)) | |
1218 | as_warn (_("could not set architecture and machine")); | |
1219 | ||
1220 | current_machine = AM33_2; | |
1221 | #else | |
0a727238 | 1222 | if (!bfd_set_arch_mach (stdoutput, bfd_arch_mn10300, MN103)) |
252b5132 RH |
1223 | as_warn (_("could not set architecture and machine")); |
1224 | ||
0a727238 | 1225 | current_machine = MN103; |
2ce28d43 | 1226 | #endif |
252b5132 RH |
1227 | } |
1228 | ||
bf6f0d0c AO |
1229 | static symbolS *GOT_symbol; |
1230 | ||
1231 | static inline int mn10300_check_fixup PARAMS ((struct mn10300_fixup *)); | |
1232 | static inline int mn10300_PIC_related_p PARAMS ((symbolS *)); | |
1233 | ||
1234 | static inline int | |
1235 | mn10300_PIC_related_p (sym) | |
1236 | symbolS *sym; | |
1237 | { | |
1238 | expressionS *exp; | |
1239 | ||
1240 | if (! sym) | |
1241 | return 0; | |
1242 | ||
1243 | if (sym == GOT_symbol) | |
1244 | return 1; | |
1245 | ||
1246 | exp = symbol_get_value_expression (sym); | |
1247 | ||
1248 | return (exp->X_op == O_PIC_reloc | |
1249 | || mn10300_PIC_related_p (exp->X_add_symbol) | |
1250 | || mn10300_PIC_related_p (exp->X_op_symbol)); | |
1251 | } | |
1252 | ||
1253 | static inline int | |
1254 | mn10300_check_fixup (fixup) | |
1255 | struct mn10300_fixup *fixup; | |
1256 | { | |
1257 | expressionS *exp = &fixup->exp; | |
1258 | ||
1259 | repeat: | |
1260 | switch (exp->X_op) | |
1261 | { | |
1262 | case O_add: | |
1263 | case O_subtract: /* If we're sufficiently unlucky that the label | |
1264 | and the expression that references it happen | |
1265 | to end up in different frags, the subtract | |
1266 | won't be simplified within expression(). */ | |
1267 | /* The PIC-related operand must be the first operand of a sum. */ | |
1268 | if (exp != &fixup->exp || mn10300_PIC_related_p (exp->X_op_symbol)) | |
1269 | return 1; | |
1270 | ||
1271 | if (exp->X_add_symbol && exp->X_add_symbol == GOT_symbol) | |
1272 | fixup->reloc = BFD_RELOC_32_GOT_PCREL; | |
1273 | ||
1274 | exp = symbol_get_value_expression (exp->X_add_symbol); | |
1275 | goto repeat; | |
1276 | ||
1277 | case O_symbol: | |
1278 | if (exp->X_add_symbol && exp->X_add_symbol == GOT_symbol) | |
1279 | fixup->reloc = BFD_RELOC_32_GOT_PCREL; | |
1280 | break; | |
1281 | ||
1282 | case O_PIC_reloc: | |
1283 | fixup->reloc = exp->X_md; | |
1284 | exp->X_op = O_symbol; | |
1285 | if (fixup->reloc == BFD_RELOC_32_PLT_PCREL | |
1286 | && fixup->opindex >= 0 | |
1287 | && (mn10300_operands[fixup->opindex].flags | |
1288 | & MN10300_OPERAND_RELAX)) | |
1289 | return 1; | |
1290 | break; | |
1291 | ||
1292 | default: | |
1293 | return (mn10300_PIC_related_p (exp->X_add_symbol) | |
1294 | || mn10300_PIC_related_p (exp->X_op_symbol)); | |
1295 | } | |
1296 | ||
1297 | return 0; | |
1298 | } | |
1299 | ||
1300 | void | |
1301 | mn10300_cons_fix_new (frag, off, size, exp) | |
1302 | fragS *frag; | |
1303 | int off, size; | |
1304 | expressionS *exp; | |
1305 | { | |
1306 | struct mn10300_fixup fixup; | |
1307 | ||
1308 | fixup.opindex = -1; | |
1309 | fixup.exp = *exp; | |
1310 | fixup.reloc = BFD_RELOC_UNUSED; | |
1311 | ||
1312 | mn10300_check_fixup (&fixup); | |
1313 | ||
1314 | if (fixup.reloc == BFD_RELOC_MN10300_GOT32) | |
1315 | switch (size) | |
1316 | { | |
1317 | case 2: | |
1318 | fixup.reloc = BFD_RELOC_MN10300_GOT16; | |
1319 | break; | |
1320 | ||
1321 | case 3: | |
1322 | fixup.reloc = BFD_RELOC_MN10300_GOT24; | |
1323 | break; | |
1324 | ||
1325 | case 4: | |
1326 | break; | |
1327 | ||
1328 | default: | |
1329 | goto error; | |
1330 | } | |
1331 | else if (fixup.reloc == BFD_RELOC_UNUSED) | |
1332 | switch (size) | |
1333 | { | |
1334 | case 1: | |
1335 | fixup.reloc = BFD_RELOC_8; | |
1336 | break; | |
1337 | ||
1338 | case 2: | |
1339 | fixup.reloc = BFD_RELOC_16; | |
1340 | break; | |
1341 | ||
1342 | case 3: | |
1343 | fixup.reloc = BFD_RELOC_24; | |
1344 | break; | |
1345 | ||
1346 | case 4: | |
1347 | fixup.reloc = BFD_RELOC_32; | |
1348 | break; | |
1349 | ||
1350 | default: | |
1351 | goto error; | |
1352 | } | |
1353 | else if (size != 4) | |
1354 | { | |
1355 | error: | |
1356 | as_bad (_("unsupported BFD relocation size %u"), size); | |
1357 | fixup.reloc = BFD_RELOC_UNUSED; | |
1358 | } | |
1359 | ||
1360 | fix_new_exp (frag, off, size, &fixup.exp, 0, fixup.reloc); | |
1361 | } | |
1362 | ||
252b5132 | 1363 | void |
87271fa6 | 1364 | md_assemble (str) |
252b5132 RH |
1365 | char *str; |
1366 | { | |
1367 | char *s; | |
1368 | struct mn10300_opcode *opcode; | |
1369 | struct mn10300_opcode *next_opcode; | |
1370 | const unsigned char *opindex_ptr; | |
1371 | int next_opindex, relaxable; | |
eb0dfd58 | 1372 | unsigned long insn, extension, size = 0; |
252b5132 RH |
1373 | char *f; |
1374 | int i; | |
1375 | int match; | |
1376 | ||
1377 | /* Get the opcode. */ | |
3882b010 | 1378 | for (s = str; *s != '\0' && !ISSPACE (*s); s++) |
252b5132 RH |
1379 | ; |
1380 | if (*s != '\0') | |
1381 | *s++ = '\0'; | |
1382 | ||
87271fa6 NC |
1383 | /* Find the first opcode with the proper name. */ |
1384 | opcode = (struct mn10300_opcode *) hash_find (mn10300_hash, str); | |
252b5132 RH |
1385 | if (opcode == NULL) |
1386 | { | |
1387 | as_bad (_("Unrecognized opcode: `%s'"), str); | |
1388 | return; | |
1389 | } | |
1390 | ||
1391 | str = s; | |
3882b010 | 1392 | while (ISSPACE (*str)) |
252b5132 RH |
1393 | ++str; |
1394 | ||
1395 | input_line_pointer = str; | |
1396 | ||
87271fa6 | 1397 | for (;;) |
252b5132 RH |
1398 | { |
1399 | const char *errmsg; | |
1400 | int op_idx; | |
1401 | char *hold; | |
1402 | int extra_shift = 0; | |
1403 | ||
252b5132 RH |
1404 | errmsg = _("Invalid opcode/operands"); |
1405 | ||
1406 | /* Reset the array of register operands. */ | |
1407 | memset (mn10300_reg_operands, -1, sizeof (mn10300_reg_operands)); | |
1408 | ||
1409 | relaxable = 0; | |
1410 | fc = 0; | |
1411 | match = 0; | |
1412 | next_opindex = 0; | |
1413 | insn = opcode->opcode; | |
1414 | extension = 0; | |
1415 | ||
1416 | /* If the instruction is not available on the current machine | |
1417 | then it can not possibly match. */ | |
1418 | if (opcode->machine | |
e7b71525 | 1419 | && !(opcode->machine == AM33_2 && HAVE_AM33_2) |
aa15f6f7 AO |
1420 | && !(opcode->machine == AM33 && HAVE_AM33) |
1421 | && !(opcode->machine == AM30 && HAVE_AM30)) | |
252b5132 RH |
1422 | goto error; |
1423 | ||
1424 | for (op_idx = 1, opindex_ptr = opcode->operands; | |
1425 | *opindex_ptr != 0; | |
1426 | opindex_ptr++, op_idx++) | |
1427 | { | |
1428 | const struct mn10300_operand *operand; | |
1429 | expressionS ex; | |
1430 | ||
1431 | if (next_opindex == 0) | |
1432 | { | |
1433 | operand = &mn10300_operands[*opindex_ptr]; | |
1434 | } | |
1435 | else | |
1436 | { | |
1437 | operand = &mn10300_operands[next_opindex]; | |
1438 | next_opindex = 0; | |
1439 | } | |
1440 | ||
1441 | while (*str == ' ' || *str == ',') | |
1442 | ++str; | |
1443 | ||
1444 | if (operand->flags & MN10300_OPERAND_RELAX) | |
1445 | relaxable = 1; | |
1446 | ||
87271fa6 | 1447 | /* Gather the operand. */ |
252b5132 RH |
1448 | hold = input_line_pointer; |
1449 | input_line_pointer = str; | |
1450 | ||
1451 | if (operand->flags & MN10300_OPERAND_PAREN) | |
1452 | { | |
1453 | if (*input_line_pointer != ')' && *input_line_pointer != '(') | |
1454 | { | |
1455 | input_line_pointer = hold; | |
1456 | str = hold; | |
1457 | goto error; | |
1458 | } | |
1459 | input_line_pointer++; | |
1460 | goto keep_going; | |
1461 | } | |
1462 | /* See if we can match the operands. */ | |
1463 | else if (operand->flags & MN10300_OPERAND_DREG) | |
1464 | { | |
1465 | if (!data_register_name (&ex)) | |
1466 | { | |
1467 | input_line_pointer = hold; | |
1468 | str = hold; | |
1469 | goto error; | |
1470 | } | |
1471 | } | |
1472 | else if (operand->flags & MN10300_OPERAND_AREG) | |
1473 | { | |
1474 | if (!address_register_name (&ex)) | |
1475 | { | |
1476 | input_line_pointer = hold; | |
1477 | str = hold; | |
1478 | goto error; | |
1479 | } | |
1480 | } | |
1481 | else if (operand->flags & MN10300_OPERAND_SP) | |
1482 | { | |
1483 | char *start = input_line_pointer; | |
1484 | char c = get_symbol_end (); | |
1485 | ||
1486 | if (strcasecmp (start, "sp") != 0) | |
1487 | { | |
1488 | *input_line_pointer = c; | |
1489 | input_line_pointer = hold; | |
1490 | str = hold; | |
1491 | goto error; | |
1492 | } | |
1493 | *input_line_pointer = c; | |
1494 | goto keep_going; | |
1495 | } | |
85cb2cf9 JL |
1496 | else if (operand->flags & MN10300_OPERAND_RREG) |
1497 | { | |
1498 | if (!r_register_name (&ex)) | |
1499 | { | |
1500 | input_line_pointer = hold; | |
1501 | str = hold; | |
1502 | goto error; | |
1503 | } | |
1504 | } | |
1505 | else if (operand->flags & MN10300_OPERAND_XRREG) | |
1506 | { | |
1507 | if (!xr_register_name (&ex)) | |
1508 | { | |
1509 | input_line_pointer = hold; | |
1510 | str = hold; | |
1511 | goto error; | |
1512 | } | |
1513 | } | |
e7b71525 AO |
1514 | else if (operand->flags & MN10300_OPERAND_FSREG) |
1515 | { | |
1516 | if (!float_register_name (&ex)) | |
1517 | { | |
1518 | input_line_pointer = hold; | |
1519 | str = hold; | |
1520 | goto error; | |
1521 | } | |
1522 | } | |
1523 | else if (operand->flags & MN10300_OPERAND_FDREG) | |
1524 | { | |
1525 | if (!double_register_name (&ex)) | |
1526 | { | |
1527 | input_line_pointer = hold; | |
1528 | str = hold; | |
1529 | goto error; | |
1530 | } | |
1531 | } | |
1532 | else if (operand->flags & MN10300_OPERAND_FPCR) | |
1533 | { | |
1534 | char *start = input_line_pointer; | |
1535 | char c = get_symbol_end (); | |
1536 | ||
1537 | if (strcasecmp (start, "fpcr") != 0) | |
1538 | { | |
1539 | *input_line_pointer = c; | |
1540 | input_line_pointer = hold; | |
1541 | str = hold; | |
1542 | goto error; | |
1543 | } | |
1544 | *input_line_pointer = c; | |
1545 | goto keep_going; | |
1546 | } | |
85cb2cf9 JL |
1547 | else if (operand->flags & MN10300_OPERAND_USP) |
1548 | { | |
1549 | char *start = input_line_pointer; | |
1550 | char c = get_symbol_end (); | |
1551 | ||
1552 | if (strcasecmp (start, "usp") != 0) | |
1553 | { | |
1554 | *input_line_pointer = c; | |
1555 | input_line_pointer = hold; | |
1556 | str = hold; | |
1557 | goto error; | |
1558 | } | |
1559 | *input_line_pointer = c; | |
1560 | goto keep_going; | |
1561 | } | |
1562 | else if (operand->flags & MN10300_OPERAND_SSP) | |
1563 | { | |
1564 | char *start = input_line_pointer; | |
1565 | char c = get_symbol_end (); | |
1566 | ||
1567 | if (strcasecmp (start, "ssp") != 0) | |
1568 | { | |
1569 | *input_line_pointer = c; | |
1570 | input_line_pointer = hold; | |
1571 | str = hold; | |
1572 | goto error; | |
1573 | } | |
1574 | *input_line_pointer = c; | |
1575 | goto keep_going; | |
1576 | } | |
1577 | else if (operand->flags & MN10300_OPERAND_MSP) | |
1578 | { | |
1579 | char *start = input_line_pointer; | |
1580 | char c = get_symbol_end (); | |
1581 | ||
1582 | if (strcasecmp (start, "msp") != 0) | |
1583 | { | |
1584 | *input_line_pointer = c; | |
1585 | input_line_pointer = hold; | |
1586 | str = hold; | |
1587 | goto error; | |
1588 | } | |
1589 | *input_line_pointer = c; | |
1590 | goto keep_going; | |
1591 | } | |
1592 | else if (operand->flags & MN10300_OPERAND_PC) | |
1593 | { | |
1594 | char *start = input_line_pointer; | |
1595 | char c = get_symbol_end (); | |
1596 | ||
1597 | if (strcasecmp (start, "pc") != 0) | |
1598 | { | |
1599 | *input_line_pointer = c; | |
1600 | input_line_pointer = hold; | |
1601 | str = hold; | |
1602 | goto error; | |
1603 | } | |
1604 | *input_line_pointer = c; | |
1605 | goto keep_going; | |
1606 | } | |
1607 | else if (operand->flags & MN10300_OPERAND_EPSW) | |
1608 | { | |
1609 | char *start = input_line_pointer; | |
1610 | char c = get_symbol_end (); | |
1611 | ||
1612 | if (strcasecmp (start, "epsw") != 0) | |
1613 | { | |
1614 | *input_line_pointer = c; | |
1615 | input_line_pointer = hold; | |
1616 | str = hold; | |
1617 | goto error; | |
1618 | } | |
1619 | *input_line_pointer = c; | |
1620 | goto keep_going; | |
1621 | } | |
1622 | else if (operand->flags & MN10300_OPERAND_PLUS) | |
1623 | { | |
1624 | if (*input_line_pointer != '+') | |
1625 | { | |
1626 | input_line_pointer = hold; | |
1627 | str = hold; | |
1628 | goto error; | |
1629 | } | |
1630 | input_line_pointer++; | |
1631 | goto keep_going; | |
1632 | } | |
252b5132 RH |
1633 | else if (operand->flags & MN10300_OPERAND_PSW) |
1634 | { | |
1635 | char *start = input_line_pointer; | |
1636 | char c = get_symbol_end (); | |
1637 | ||
1638 | if (strcasecmp (start, "psw") != 0) | |
1639 | { | |
1640 | *input_line_pointer = c; | |
1641 | input_line_pointer = hold; | |
1642 | str = hold; | |
1643 | goto error; | |
1644 | } | |
1645 | *input_line_pointer = c; | |
1646 | goto keep_going; | |
1647 | } | |
1648 | else if (operand->flags & MN10300_OPERAND_MDR) | |
1649 | { | |
1650 | char *start = input_line_pointer; | |
1651 | char c = get_symbol_end (); | |
1652 | ||
1653 | if (strcasecmp (start, "mdr") != 0) | |
1654 | { | |
1655 | *input_line_pointer = c; | |
1656 | input_line_pointer = hold; | |
1657 | str = hold; | |
1658 | goto error; | |
1659 | } | |
1660 | *input_line_pointer = c; | |
1661 | goto keep_going; | |
1662 | } | |
1663 | else if (operand->flags & MN10300_OPERAND_REG_LIST) | |
1664 | { | |
1665 | unsigned int value = 0; | |
1666 | if (*input_line_pointer != '[') | |
1667 | { | |
1668 | input_line_pointer = hold; | |
1669 | str = hold; | |
1670 | goto error; | |
1671 | } | |
1672 | ||
1673 | /* Eat the '['. */ | |
1674 | input_line_pointer++; | |
87271fa6 | 1675 | |
252b5132 | 1676 | /* We used to reject a null register list here; however, |
87271fa6 NC |
1677 | we accept it now so the compiler can emit "call" |
1678 | instructions for all calls to named functions. | |
252b5132 RH |
1679 | |
1680 | The linker can then fill in the appropriate bits for the | |
1681 | register list and stack size or change the instruction | |
1682 | into a "calls" if using "call" is not profitable. */ | |
1683 | while (*input_line_pointer != ']') | |
1684 | { | |
1685 | char *start; | |
1686 | char c; | |
1687 | ||
1688 | if (*input_line_pointer == ',') | |
1689 | input_line_pointer++; | |
1690 | ||
1691 | start = input_line_pointer; | |
1692 | c = get_symbol_end (); | |
1693 | ||
1694 | if (strcasecmp (start, "d2") == 0) | |
1695 | { | |
1696 | value |= 0x80; | |
1697 | *input_line_pointer = c; | |
1698 | } | |
1699 | else if (strcasecmp (start, "d3") == 0) | |
1700 | { | |
1701 | value |= 0x40; | |
1702 | *input_line_pointer = c; | |
1703 | } | |
1704 | else if (strcasecmp (start, "a2") == 0) | |
1705 | { | |
1706 | value |= 0x20; | |
1707 | *input_line_pointer = c; | |
1708 | } | |
1709 | else if (strcasecmp (start, "a3") == 0) | |
1710 | { | |
1711 | value |= 0x10; | |
1712 | *input_line_pointer = c; | |
1713 | } | |
1714 | else if (strcasecmp (start, "other") == 0) | |
1715 | { | |
1716 | value |= 0x08; | |
1717 | *input_line_pointer = c; | |
1718 | } | |
0a727238 | 1719 | else if (HAVE_AM33 |
85cb2cf9 JL |
1720 | && strcasecmp (start, "exreg0") == 0) |
1721 | { | |
1722 | value |= 0x04; | |
1723 | *input_line_pointer = c; | |
1724 | } | |
0a727238 | 1725 | else if (HAVE_AM33 |
85cb2cf9 JL |
1726 | && strcasecmp (start, "exreg1") == 0) |
1727 | { | |
1728 | value |= 0x02; | |
1729 | *input_line_pointer = c; | |
1730 | } | |
0a727238 | 1731 | else if (HAVE_AM33 |
85cb2cf9 JL |
1732 | && strcasecmp (start, "exother") == 0) |
1733 | { | |
1734 | value |= 0x01; | |
1735 | *input_line_pointer = c; | |
1736 | } | |
0a727238 | 1737 | else if (HAVE_AM33 |
85cb2cf9 JL |
1738 | && strcasecmp (start, "all") == 0) |
1739 | { | |
1740 | value |= 0xff; | |
1741 | *input_line_pointer = c; | |
1742 | } | |
252b5132 RH |
1743 | else |
1744 | { | |
1745 | input_line_pointer = hold; | |
1746 | str = hold; | |
1747 | goto error; | |
1748 | } | |
1749 | } | |
1750 | input_line_pointer++; | |
1751 | mn10300_insert_operand (&insn, &extension, operand, | |
1752 | value, (char *) NULL, 0, 0); | |
1753 | goto keep_going; | |
1754 | ||
1755 | } | |
1756 | else if (data_register_name (&ex)) | |
1757 | { | |
1758 | input_line_pointer = hold; | |
1759 | str = hold; | |
1760 | goto error; | |
1761 | } | |
1762 | else if (address_register_name (&ex)) | |
1763 | { | |
1764 | input_line_pointer = hold; | |
1765 | str = hold; | |
1766 | goto error; | |
1767 | } | |
1768 | else if (other_register_name (&ex)) | |
1769 | { | |
1770 | input_line_pointer = hold; | |
1771 | str = hold; | |
1772 | goto error; | |
1773 | } | |
0a727238 | 1774 | else if (HAVE_AM33 && r_register_name (&ex)) |
85cb2cf9 JL |
1775 | { |
1776 | input_line_pointer = hold; | |
1777 | str = hold; | |
1778 | goto error; | |
1779 | } | |
0a727238 | 1780 | else if (HAVE_AM33 && xr_register_name (&ex)) |
85cb2cf9 JL |
1781 | { |
1782 | input_line_pointer = hold; | |
1783 | str = hold; | |
1784 | goto error; | |
1785 | } | |
e7b71525 AO |
1786 | else if (HAVE_AM33_2 && float_register_name (&ex)) |
1787 | { | |
1788 | input_line_pointer = hold; | |
1789 | str = hold; | |
1790 | goto error; | |
1791 | } | |
1792 | else if (HAVE_AM33_2 && double_register_name (&ex)) | |
1793 | { | |
1794 | input_line_pointer = hold; | |
1795 | str = hold; | |
1796 | goto error; | |
1797 | } | |
252b5132 RH |
1798 | else if (*str == ')' || *str == '(') |
1799 | { | |
1800 | input_line_pointer = hold; | |
1801 | str = hold; | |
1802 | goto error; | |
1803 | } | |
1804 | else | |
1805 | { | |
1806 | expression (&ex); | |
1807 | } | |
1808 | ||
87271fa6 | 1809 | switch (ex.X_op) |
252b5132 RH |
1810 | { |
1811 | case O_illegal: | |
1812 | errmsg = _("illegal operand"); | |
1813 | goto error; | |
1814 | case O_absent: | |
1815 | errmsg = _("missing operand"); | |
1816 | goto error; | |
1817 | case O_register: | |
1818 | { | |
1819 | int mask; | |
1820 | ||
1821 | mask = MN10300_OPERAND_DREG | MN10300_OPERAND_AREG; | |
0a727238 AO |
1822 | if (HAVE_AM33) |
1823 | mask |= MN10300_OPERAND_RREG | MN10300_OPERAND_XRREG; | |
e7b71525 AO |
1824 | if (HAVE_AM33_2) |
1825 | mask |= MN10300_OPERAND_FSREG | MN10300_OPERAND_FDREG; | |
252b5132 RH |
1826 | if ((operand->flags & mask) == 0) |
1827 | { | |
1828 | input_line_pointer = hold; | |
1829 | str = hold; | |
1830 | goto error; | |
1831 | } | |
87271fa6 | 1832 | |
252b5132 RH |
1833 | if (opcode->format == FMT_D1 || opcode->format == FMT_S1) |
1834 | extra_shift = 8; | |
1835 | else if (opcode->format == FMT_D2 | |
1836 | || opcode->format == FMT_D4 | |
1837 | || opcode->format == FMT_S2 | |
1838 | || opcode->format == FMT_S4 | |
1839 | || opcode->format == FMT_S6 | |
1840 | || opcode->format == FMT_D5) | |
1841 | extra_shift = 16; | |
85cb2cf9 JL |
1842 | else if (opcode->format == FMT_D7) |
1843 | extra_shift = 8; | |
1844 | else if (opcode->format == FMT_D8 || opcode->format == FMT_D9) | |
1845 | extra_shift = 8; | |
252b5132 RH |
1846 | else |
1847 | extra_shift = 0; | |
87271fa6 | 1848 | |
252b5132 RH |
1849 | mn10300_insert_operand (&insn, &extension, operand, |
1850 | ex.X_add_number, (char *) NULL, | |
1851 | 0, extra_shift); | |
1852 | ||
252b5132 RH |
1853 | /* And note the register number in the register array. */ |
1854 | mn10300_reg_operands[op_idx - 1] = ex.X_add_number; | |
1855 | break; | |
1856 | } | |
1857 | ||
1858 | case O_constant: | |
1859 | /* If this operand can be promoted, and it doesn't | |
1860 | fit into the allocated bitfield for this insn, | |
1861 | then promote it (ie this opcode does not match). */ | |
1862 | if (operand->flags | |
1863 | & (MN10300_OPERAND_PROMOTE | MN10300_OPERAND_RELAX) | |
87271fa6 | 1864 | && !check_operand (insn, operand, ex.X_add_number)) |
252b5132 RH |
1865 | { |
1866 | input_line_pointer = hold; | |
1867 | str = hold; | |
1868 | goto error; | |
1869 | } | |
1870 | ||
1871 | mn10300_insert_operand (&insn, &extension, operand, | |
1872 | ex.X_add_number, (char *) NULL, | |
1873 | 0, 0); | |
1874 | break; | |
1875 | ||
1876 | default: | |
1877 | /* If this operand can be promoted, then this opcode didn't | |
1878 | match since we can't know if it needed promotion! */ | |
1879 | if (operand->flags & MN10300_OPERAND_PROMOTE) | |
1880 | { | |
1881 | input_line_pointer = hold; | |
1882 | str = hold; | |
1883 | goto error; | |
1884 | } | |
1885 | ||
1886 | /* We need to generate a fixup for this expression. */ | |
1887 | if (fc >= MAX_INSN_FIXUPS) | |
1888 | as_fatal (_("too many fixups")); | |
1889 | fixups[fc].exp = ex; | |
1890 | fixups[fc].opindex = *opindex_ptr; | |
1891 | fixups[fc].reloc = BFD_RELOC_UNUSED; | |
bf6f0d0c AO |
1892 | if (mn10300_check_fixup (& fixups[fc])) |
1893 | goto error; | |
252b5132 RH |
1894 | ++fc; |
1895 | break; | |
1896 | } | |
1897 | ||
1898 | keep_going: | |
1899 | str = input_line_pointer; | |
1900 | input_line_pointer = hold; | |
1901 | ||
1902 | while (*str == ' ' || *str == ',') | |
1903 | ++str; | |
1904 | ||
1905 | } | |
1906 | ||
1907 | /* Make sure we used all the operands! */ | |
1908 | if (*str != ',') | |
1909 | match = 1; | |
1910 | ||
1911 | /* If this instruction has registers that must not match, verify | |
1912 | that they do indeed not match. */ | |
1913 | if (opcode->no_match_operands) | |
1914 | { | |
1915 | int i; | |
1916 | ||
1917 | /* Look at each operand to see if it's marked. */ | |
1918 | for (i = 0; i < MN10300_MAX_OPERANDS; i++) | |
1919 | { | |
1920 | if ((1 << i) & opcode->no_match_operands) | |
1921 | { | |
1922 | int j; | |
1923 | ||
1924 | /* operand I is marked. Check that it does not match any | |
1925 | operands > I which are marked. */ | |
1926 | for (j = i + 1; j < MN10300_MAX_OPERANDS; j++) | |
1927 | { | |
1928 | if (((1 << j) & opcode->no_match_operands) | |
1929 | && mn10300_reg_operands[i] == mn10300_reg_operands[j]) | |
1930 | { | |
1931 | errmsg = _("Invalid register specification."); | |
1932 | match = 0; | |
1933 | goto error; | |
1934 | } | |
1935 | } | |
1936 | } | |
1937 | } | |
1938 | } | |
1939 | ||
1940 | error: | |
1941 | if (match == 0) | |
87271fa6 | 1942 | { |
252b5132 | 1943 | next_opcode = opcode + 1; |
87271fa6 | 1944 | if (!strcmp (next_opcode->name, opcode->name)) |
252b5132 RH |
1945 | { |
1946 | opcode = next_opcode; | |
1947 | continue; | |
1948 | } | |
87271fa6 | 1949 | |
252b5132 RH |
1950 | as_bad ("%s", errmsg); |
1951 | return; | |
87271fa6 | 1952 | } |
252b5132 RH |
1953 | break; |
1954 | } | |
87271fa6 | 1955 | |
3882b010 | 1956 | while (ISSPACE (*str)) |
252b5132 RH |
1957 | ++str; |
1958 | ||
1959 | if (*str != '\0') | |
1960 | as_bad (_("junk at end of line: `%s'"), str); | |
1961 | ||
1962 | input_line_pointer = str; | |
1963 | ||
1964 | /* Determine the size of the instruction. */ | |
1965 | if (opcode->format == FMT_S0) | |
1966 | size = 1; | |
1967 | ||
1968 | if (opcode->format == FMT_S1 || opcode->format == FMT_D0) | |
1969 | size = 2; | |
1970 | ||
1971 | if (opcode->format == FMT_S2 || opcode->format == FMT_D1) | |
1972 | size = 3; | |
1973 | ||
85cb2cf9 JL |
1974 | if (opcode->format == FMT_D6) |
1975 | size = 3; | |
1976 | ||
1977 | if (opcode->format == FMT_D7 || opcode->format == FMT_D10) | |
1978 | size = 4; | |
1979 | ||
1980 | if (opcode->format == FMT_D8) | |
1981 | size = 6; | |
1982 | ||
1983 | if (opcode->format == FMT_D9) | |
1984 | size = 7; | |
252b5132 RH |
1985 | |
1986 | if (opcode->format == FMT_S4) | |
1987 | size = 5; | |
1988 | ||
1989 | if (opcode->format == FMT_S6 || opcode->format == FMT_D5) | |
1990 | size = 7; | |
1991 | ||
1992 | if (opcode->format == FMT_D2) | |
1993 | size = 4; | |
1994 | ||
e7b71525 AO |
1995 | if (opcode->format == FMT_D3) |
1996 | size = 5; | |
1997 | ||
252b5132 RH |
1998 | if (opcode->format == FMT_D4) |
1999 | size = 6; | |
2000 | ||
2001 | if (relaxable && fc > 0) | |
2002 | { | |
2003 | int type; | |
2004 | ||
076dc439 AO |
2005 | /* We want to anchor the line info to the previous frag (if |
2006 | there isn't one, create it), so that, when the insn is | |
2007 | resized, we still get the right address for the beginning of | |
2008 | the region. */ | |
2009 | f = frag_more (0); | |
2010 | dwarf2_emit_insn (0); | |
2011 | ||
87271fa6 | 2012 | /* bCC */ |
252b5132 RH |
2013 | if (size == 2) |
2014 | { | |
2015 | /* Handle bra specially. Basically treat it like jmp so | |
2016 | that we automatically handle 8, 16 and 32 bit offsets | |
2017 | correctly as well as jumps to an undefined address. | |
2018 | ||
2019 | It is also important to not treat it like other bCC | |
2020 | instructions since the long forms of bra is different | |
2021 | from other bCC instructions. */ | |
2022 | if (opcode->opcode == 0xca00) | |
2023 | type = 10; | |
2024 | else | |
2025 | type = 0; | |
2026 | } | |
87271fa6 | 2027 | /* call */ |
252b5132 | 2028 | else if (size == 5) |
87271fa6 NC |
2029 | type = 6; |
2030 | /* calls */ | |
252b5132 RH |
2031 | else if (size == 4) |
2032 | type = 8; | |
87271fa6 | 2033 | /* jmp */ |
252b5132 RH |
2034 | else if (size == 3 && opcode->opcode == 0xcc0000) |
2035 | type = 10; | |
e7b71525 AO |
2036 | else if (size == 3 && (opcode->opcode & 0xfff000) == 0xf8d000) |
2037 | type = 13; | |
87271fa6 | 2038 | /* bCC (uncommon cases) */ |
252b5132 RH |
2039 | else |
2040 | type = 3; | |
2041 | ||
2042 | f = frag_var (rs_machine_dependent, 8, 8 - size, type, | |
2043 | fixups[0].exp.X_add_symbol, | |
2044 | fixups[0].exp.X_add_number, | |
2045 | (char *)fixups[0].opindex); | |
87271fa6 | 2046 | |
252b5132 RH |
2047 | /* This is pretty hokey. We basically just care about the |
2048 | opcode, so we have to write out the first word big endian. | |
2049 | ||
2050 | The exception is "call", which has two operands that we | |
2051 | care about. | |
2052 | ||
2053 | The first operand (the register list) happens to be in the | |
2054 | first instruction word, and will be in the right place if | |
2055 | we output the first word in big endian mode. | |
2056 | ||
2057 | The second operand (stack size) is in the extension word, | |
2058 | and we want it to appear as the first character in the extension | |
2059 | word (as it appears in memory). Luckily, writing the extension | |
2060 | word in big endian format will do what we want. */ | |
2061 | number_to_chars_bigendian (f, insn, size > 4 ? 4 : size); | |
2062 | if (size > 8) | |
2063 | { | |
2064 | number_to_chars_bigendian (f + 4, extension, 4); | |
2065 | number_to_chars_bigendian (f + 8, 0, size - 8); | |
2066 | } | |
2067 | else if (size > 4) | |
2068 | number_to_chars_bigendian (f + 4, extension, size - 4); | |
2069 | } | |
2070 | else | |
2071 | { | |
2072 | /* Allocate space for the instruction. */ | |
2073 | f = frag_more (size); | |
2074 | ||
2075 | /* Fill in bytes for the instruction. Note that opcode fields | |
2076 | are written big-endian, 16 & 32bit immediates are written | |
2077 | little endian. Egad. */ | |
2078 | if (opcode->format == FMT_S0 | |
2079 | || opcode->format == FMT_S1 | |
2080 | || opcode->format == FMT_D0 | |
85cb2cf9 JL |
2081 | || opcode->format == FMT_D6 |
2082 | || opcode->format == FMT_D7 | |
2083 | || opcode->format == FMT_D10 | |
252b5132 RH |
2084 | || opcode->format == FMT_D1) |
2085 | { | |
2086 | number_to_chars_bigendian (f, insn, size); | |
2087 | } | |
2088 | else if (opcode->format == FMT_S2 | |
2089 | && opcode->opcode != 0xdf0000 | |
2090 | && opcode->opcode != 0xde0000) | |
2091 | { | |
2092 | /* A format S2 instruction that is _not_ "ret" and "retf". */ | |
2093 | number_to_chars_bigendian (f, (insn >> 16) & 0xff, 1); | |
2094 | number_to_chars_littleendian (f + 1, insn & 0xffff, 2); | |
2095 | } | |
2096 | else if (opcode->format == FMT_S2) | |
2097 | { | |
2098 | /* This must be a ret or retf, which is written entirely in | |
2099 | big-endian format. */ | |
2100 | number_to_chars_bigendian (f, insn, 3); | |
2101 | } | |
2102 | else if (opcode->format == FMT_S4 | |
2103 | && opcode->opcode != 0xdc000000) | |
2104 | { | |
2105 | /* This must be a format S4 "call" instruction. What a pain. */ | |
2106 | unsigned long temp = (insn >> 8) & 0xffff; | |
2107 | number_to_chars_bigendian (f, (insn >> 24) & 0xff, 1); | |
2108 | number_to_chars_littleendian (f + 1, temp, 2); | |
2109 | number_to_chars_bigendian (f + 3, insn & 0xff, 1); | |
2110 | number_to_chars_bigendian (f + 4, extension & 0xff, 1); | |
2111 | } | |
2112 | else if (opcode->format == FMT_S4) | |
2113 | { | |
2114 | /* This must be a format S4 "jmp" instruction. */ | |
2115 | unsigned long temp = ((insn & 0xffffff) << 8) | (extension & 0xff); | |
2116 | number_to_chars_bigendian (f, (insn >> 24) & 0xff, 1); | |
2117 | number_to_chars_littleendian (f + 1, temp, 4); | |
2118 | } | |
2119 | else if (opcode->format == FMT_S6) | |
2120 | { | |
2121 | unsigned long temp = ((insn & 0xffffff) << 8) | |
2122 | | ((extension >> 16) & 0xff); | |
2123 | number_to_chars_bigendian (f, (insn >> 24) & 0xff, 1); | |
2124 | number_to_chars_littleendian (f + 1, temp, 4); | |
2125 | number_to_chars_bigendian (f + 5, (extension >> 8) & 0xff, 1); | |
2126 | number_to_chars_bigendian (f + 6, extension & 0xff, 1); | |
2127 | } | |
2128 | else if (opcode->format == FMT_D2 | |
2129 | && opcode->opcode != 0xfaf80000 | |
2130 | && opcode->opcode != 0xfaf00000 | |
2131 | && opcode->opcode != 0xfaf40000) | |
2132 | { | |
2133 | /* A format D2 instruction where the 16bit immediate is | |
2134 | really a single 16bit value, not two 8bit values. */ | |
2135 | number_to_chars_bigendian (f, (insn >> 16) & 0xffff, 2); | |
2136 | number_to_chars_littleendian (f + 2, insn & 0xffff, 2); | |
2137 | } | |
2138 | else if (opcode->format == FMT_D2) | |
2139 | { | |
2140 | /* A format D2 instruction where the 16bit immediate | |
2141 | is really two 8bit immediates. */ | |
2142 | number_to_chars_bigendian (f, insn, 4); | |
2143 | } | |
e7b71525 AO |
2144 | else if (opcode->format == FMT_D3) |
2145 | { | |
2146 | number_to_chars_bigendian (f, (insn >> 16) & 0xffff, 2); | |
2147 | number_to_chars_littleendian (f + 2, insn & 0xffff, 2); | |
2148 | number_to_chars_bigendian (f + 4, extension & 0xff, 1); | |
2149 | } | |
252b5132 RH |
2150 | else if (opcode->format == FMT_D4) |
2151 | { | |
2152 | unsigned long temp = ((insn & 0xffff) << 16) | (extension & 0xffff); | |
87271fa6 | 2153 | |
252b5132 RH |
2154 | number_to_chars_bigendian (f, (insn >> 16) & 0xffff, 2); |
2155 | number_to_chars_littleendian (f + 2, temp, 4); | |
2156 | } | |
2157 | else if (opcode->format == FMT_D5) | |
2158 | { | |
87271fa6 NC |
2159 | unsigned long temp = (((insn & 0xffff) << 16) |
2160 | | ((extension >> 8) & 0xffff)); | |
2161 | ||
252b5132 RH |
2162 | number_to_chars_bigendian (f, (insn >> 16) & 0xffff, 2); |
2163 | number_to_chars_littleendian (f + 2, temp, 4); | |
2164 | number_to_chars_bigendian (f + 6, extension & 0xff, 1); | |
2165 | } | |
85cb2cf9 JL |
2166 | else if (opcode->format == FMT_D8) |
2167 | { | |
87271fa6 NC |
2168 | unsigned long temp = ((insn & 0xff) << 16) | (extension & 0xffff); |
2169 | ||
2170 | number_to_chars_bigendian (f, (insn >> 8) & 0xffffff, 3); | |
2171 | number_to_chars_bigendian (f + 3, (temp & 0xff), 1); | |
2172 | number_to_chars_littleendian (f + 4, temp >> 8, 2); | |
85cb2cf9 JL |
2173 | } |
2174 | else if (opcode->format == FMT_D9) | |
2175 | { | |
87271fa6 NC |
2176 | unsigned long temp = ((insn & 0xff) << 24) | (extension & 0xffffff); |
2177 | ||
2178 | number_to_chars_bigendian (f, (insn >> 8) & 0xffffff, 3); | |
2179 | number_to_chars_littleendian (f + 3, temp, 4); | |
85cb2cf9 | 2180 | } |
252b5132 RH |
2181 | |
2182 | /* Create any fixups. */ | |
2183 | for (i = 0; i < fc; i++) | |
2184 | { | |
2185 | const struct mn10300_operand *operand; | |
2186 | ||
2187 | operand = &mn10300_operands[fixups[i].opindex]; | |
bf6f0d0c AO |
2188 | if (fixups[i].reloc != BFD_RELOC_UNUSED |
2189 | && fixups[i].reloc != BFD_RELOC_32_GOT_PCREL | |
2190 | && fixups[i].reloc != BFD_RELOC_32_GOTOFF | |
2191 | && fixups[i].reloc != BFD_RELOC_32_PLT_PCREL | |
2192 | && fixups[i].reloc != BFD_RELOC_MN10300_GOT32) | |
252b5132 RH |
2193 | { |
2194 | reloc_howto_type *reloc_howto; | |
2195 | int size; | |
2196 | int offset; | |
2197 | fixS *fixP; | |
2198 | ||
87271fa6 NC |
2199 | reloc_howto = bfd_reloc_type_lookup (stdoutput, |
2200 | fixups[i].reloc); | |
252b5132 RH |
2201 | |
2202 | if (!reloc_howto) | |
87271fa6 NC |
2203 | abort (); |
2204 | ||
252b5132 RH |
2205 | size = bfd_get_reloc_size (reloc_howto); |
2206 | ||
2207 | if (size < 1 || size > 4) | |
87271fa6 | 2208 | abort (); |
252b5132 RH |
2209 | |
2210 | offset = 4 - size; | |
2211 | fixP = fix_new_exp (frag_now, f - frag_now->fr_literal + offset, | |
2212 | size, &fixups[i].exp, | |
2213 | reloc_howto->pc_relative, | |
2214 | fixups[i].reloc); | |
2215 | } | |
2216 | else | |
2217 | { | |
2218 | int reloc, pcrel, reloc_size, offset; | |
2219 | fixS *fixP; | |
2220 | ||
2221 | reloc = BFD_RELOC_NONE; | |
bf6f0d0c AO |
2222 | if (fixups[i].reloc != BFD_RELOC_UNUSED) |
2223 | reloc = fixups[i].reloc; | |
252b5132 RH |
2224 | /* How big is the reloc? Remember SPLIT relocs are |
2225 | implicitly 32bits. */ | |
2226 | if ((operand->flags & MN10300_OPERAND_SPLIT) != 0) | |
2227 | reloc_size = 32; | |
85cb2cf9 JL |
2228 | else if ((operand->flags & MN10300_OPERAND_24BIT) != 0) |
2229 | reloc_size = 24; | |
252b5132 RH |
2230 | else |
2231 | reloc_size = operand->bits; | |
2232 | ||
2233 | /* Is the reloc pc-relative? */ | |
2234 | pcrel = (operand->flags & MN10300_OPERAND_PCREL) != 0; | |
bf6f0d0c AO |
2235 | if (reloc != BFD_RELOC_NONE) |
2236 | pcrel = bfd_reloc_type_lookup (stdoutput, reloc)->pc_relative; | |
252b5132 | 2237 | |
a7c92dae | 2238 | offset = size - (reloc_size + operand->shift) / 8; |
eb0dfd58 | 2239 | |
252b5132 | 2240 | /* Choose a proper BFD relocation type. */ |
bf6f0d0c AO |
2241 | if (reloc != BFD_RELOC_NONE) |
2242 | ; | |
2243 | else if (pcrel) | |
252b5132 RH |
2244 | { |
2245 | if (reloc_size == 32) | |
2246 | reloc = BFD_RELOC_32_PCREL; | |
2247 | else if (reloc_size == 16) | |
2248 | reloc = BFD_RELOC_16_PCREL; | |
2249 | else if (reloc_size == 8) | |
2250 | reloc = BFD_RELOC_8_PCREL; | |
2251 | else | |
2252 | abort (); | |
2253 | } | |
2254 | else | |
2255 | { | |
2256 | if (reloc_size == 32) | |
2257 | reloc = BFD_RELOC_32; | |
2258 | else if (reloc_size == 16) | |
2259 | reloc = BFD_RELOC_16; | |
2260 | else if (reloc_size == 8) | |
2261 | reloc = BFD_RELOC_8; | |
2262 | else | |
2263 | abort (); | |
2264 | } | |
2265 | ||
2266 | /* Convert the size of the reloc into what fix_new_exp wants. */ | |
2267 | reloc_size = reloc_size / 8; | |
2268 | if (reloc_size == 8) | |
2269 | reloc_size = 0; | |
2270 | else if (reloc_size == 16) | |
2271 | reloc_size = 1; | |
2272 | else if (reloc_size == 32) | |
2273 | reloc_size = 2; | |
2274 | ||
2275 | fixP = fix_new_exp (frag_now, f - frag_now->fr_literal + offset, | |
2276 | reloc_size, &fixups[i].exp, pcrel, | |
2277 | ((bfd_reloc_code_real_type) reloc)); | |
2278 | ||
2279 | if (pcrel) | |
2280 | fixP->fx_offset += offset; | |
2281 | } | |
2282 | } | |
e8b1cae5 | 2283 | |
076dc439 AO |
2284 | dwarf2_emit_insn (size); |
2285 | } | |
252b5132 RH |
2286 | } |
2287 | ||
87271fa6 NC |
2288 | /* If while processing a fixup, a reloc really needs to be created |
2289 | then it is done here. */ | |
252b5132 | 2290 | |
252b5132 RH |
2291 | arelent * |
2292 | tc_gen_reloc (seg, fixp) | |
b4c1ea07 | 2293 | asection *seg ATTRIBUTE_UNUSED; |
252b5132 RH |
2294 | fixS *fixp; |
2295 | { | |
2296 | arelent *reloc; | |
2297 | reloc = (arelent *) xmalloc (sizeof (arelent)); | |
2298 | ||
2299 | reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type); | |
2300 | if (reloc->howto == (reloc_howto_type *) NULL) | |
2301 | { | |
2302 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
87271fa6 NC |
2303 | _("reloc %d not supported by object file format"), |
2304 | (int) fixp->fx_r_type); | |
252b5132 RH |
2305 | return NULL; |
2306 | } | |
2307 | reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; | |
2308 | ||
bf6f0d0c AO |
2309 | if (fixp->fx_subsy |
2310 | && S_GET_SEGMENT (fixp->fx_subsy) == absolute_section) | |
2311 | { | |
2312 | fixp->fx_offset -= S_GET_VALUE (fixp->fx_subsy); | |
2313 | fixp->fx_subsy = 0; | |
2314 | } | |
2315 | ||
252b5132 RH |
2316 | if (fixp->fx_addsy && fixp->fx_subsy) |
2317 | { | |
7dc8f5ce AO |
2318 | reloc->sym_ptr_ptr = NULL; |
2319 | ||
4e75439a AO |
2320 | /* If we got a difference between two symbols, and the |
2321 | subtracted symbol is in the current section, use a | |
2322 | PC-relative relocation. If both symbols are in the same | |
2323 | section, the difference would have already been simplified | |
2324 | to a constant. */ | |
2325 | if (S_GET_SEGMENT (fixp->fx_subsy) == seg) | |
2326 | { | |
2327 | reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); | |
2328 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); | |
2329 | reloc->addend = (reloc->address - S_GET_VALUE (fixp->fx_subsy) | |
2330 | + fixp->fx_offset); | |
2331 | ||
2332 | switch (fixp->fx_r_type) | |
2333 | { | |
2334 | case BFD_RELOC_8: | |
2335 | reloc->howto = bfd_reloc_type_lookup (stdoutput, | |
2336 | BFD_RELOC_8_PCREL); | |
2337 | return reloc; | |
5d6255fe | 2338 | |
4e75439a AO |
2339 | case BFD_RELOC_16: |
2340 | reloc->howto = bfd_reloc_type_lookup (stdoutput, | |
2341 | BFD_RELOC_16_PCREL); | |
2342 | return reloc; | |
2343 | ||
2344 | case BFD_RELOC_24: | |
2345 | reloc->howto = bfd_reloc_type_lookup (stdoutput, | |
2346 | BFD_RELOC_24_PCREL); | |
2347 | return reloc; | |
2348 | ||
2349 | case BFD_RELOC_32: | |
2350 | reloc->howto = bfd_reloc_type_lookup (stdoutput, | |
2351 | BFD_RELOC_32_PCREL); | |
2352 | return reloc; | |
2353 | ||
2354 | default: | |
2355 | /* Try to compute the absolute value below. */ | |
2356 | break; | |
2357 | } | |
2358 | } | |
87271fa6 | 2359 | |
252b5132 RH |
2360 | if ((S_GET_SEGMENT (fixp->fx_addsy) != S_GET_SEGMENT (fixp->fx_subsy)) |
2361 | || S_GET_SEGMENT (fixp->fx_addsy) == undefined_section) | |
2362 | { | |
2363 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
2364 | "Difference of symbols in different sections is not supported"); | |
252b5132 | 2365 | } |
6e22e505 AO |
2366 | else |
2367 | { | |
2368 | char *fixpos = fixp->fx_where + fixp->fx_frag->fr_literal; | |
2369 | ||
2370 | reloc->addend = (S_GET_VALUE (fixp->fx_addsy) | |
2371 | - S_GET_VALUE (fixp->fx_subsy) + fixp->fx_offset); | |
2372 | ||
2373 | switch (fixp->fx_r_type) | |
2374 | { | |
2375 | case BFD_RELOC_8: | |
2376 | md_number_to_chars (fixpos, reloc->addend, 1); | |
2377 | break; | |
5d6255fe | 2378 | |
6e22e505 AO |
2379 | case BFD_RELOC_16: |
2380 | md_number_to_chars (fixpos, reloc->addend, 2); | |
2381 | break; | |
252b5132 | 2382 | |
6e22e505 AO |
2383 | case BFD_RELOC_24: |
2384 | md_number_to_chars (fixpos, reloc->addend, 3); | |
2385 | break; | |
2386 | ||
2387 | case BFD_RELOC_32: | |
2388 | md_number_to_chars (fixpos, reloc->addend, 4); | |
2389 | break; | |
2390 | ||
2391 | default: | |
2392 | reloc->sym_ptr_ptr = (asymbol **) &bfd_abs_symbol; | |
2393 | return reloc; | |
2394 | } | |
2395 | } | |
2396 | ||
7dc8f5ce AO |
2397 | if (reloc->sym_ptr_ptr) |
2398 | free (reloc->sym_ptr_ptr); | |
6e22e505 AO |
2399 | free (reloc); |
2400 | return NULL; | |
252b5132 | 2401 | } |
87271fa6 | 2402 | else |
252b5132 | 2403 | { |
87271fa6 | 2404 | reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); |
310b5aa2 | 2405 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); |
252b5132 RH |
2406 | reloc->addend = fixp->fx_offset; |
2407 | } | |
2408 | return reloc; | |
2409 | } | |
2410 | ||
2411 | int | |
2412 | md_estimate_size_before_relax (fragp, seg) | |
2413 | fragS *fragp; | |
2414 | asection *seg; | |
2415 | { | |
93c2a809 AM |
2416 | if (fragp->fr_subtype == 6 |
2417 | && (!S_IS_DEFINED (fragp->fr_symbol) | |
2418 | || seg != S_GET_SEGMENT (fragp->fr_symbol))) | |
2419 | fragp->fr_subtype = 7; | |
2420 | else if (fragp->fr_subtype == 8 | |
2421 | && (!S_IS_DEFINED (fragp->fr_symbol) | |
2422 | || seg != S_GET_SEGMENT (fragp->fr_symbol))) | |
2423 | fragp->fr_subtype = 9; | |
2424 | else if (fragp->fr_subtype == 10 | |
2425 | && (!S_IS_DEFINED (fragp->fr_symbol) | |
2426 | || seg != S_GET_SEGMENT (fragp->fr_symbol))) | |
2427 | fragp->fr_subtype = 12; | |
2428 | ||
e7b71525 AO |
2429 | if (fragp->fr_subtype == 13) |
2430 | return 3; | |
93c2a809 AM |
2431 | if (fragp->fr_subtype >= sizeof (md_relax_table) / sizeof (md_relax_table[0])) |
2432 | abort (); | |
2433 | ||
2434 | return md_relax_table[fragp->fr_subtype].rlx_length; | |
87271fa6 | 2435 | } |
252b5132 RH |
2436 | |
2437 | long | |
2438 | md_pcrel_from (fixp) | |
2439 | fixS *fixp; | |
2440 | { | |
87271fa6 | 2441 | if (fixp->fx_addsy != (symbolS *) NULL && !S_IS_DEFINED (fixp->fx_addsy)) |
252b5132 RH |
2442 | { |
2443 | /* The symbol is undefined. Let the linker figure it out. */ | |
2444 | return 0; | |
2445 | } | |
2446 | return fixp->fx_frag->fr_address + fixp->fx_where; | |
252b5132 RH |
2447 | } |
2448 | ||
94f592af NC |
2449 | void |
2450 | md_apply_fix3 (fixP, valP, seg) | |
2451 | fixS * fixP; | |
2452 | valueT * valP; | |
252b5132 RH |
2453 | segT seg; |
2454 | { | |
94f592af | 2455 | char * fixpos = fixP->fx_where + fixP->fx_frag->fr_literal; |
58a77e41 | 2456 | int size = 0; |
94f592af | 2457 | int value = (int) * valP; |
58a77e41 | 2458 | |
94f592af | 2459 | assert (fixP->fx_r_type < BFD_RELOC_UNUSED); |
58a77e41 EC |
2460 | |
2461 | /* This should never happen. */ | |
2462 | if (seg->flags & SEC_ALLOC) | |
94f592af | 2463 | abort (); |
58a77e41 | 2464 | |
c51ce5f0 EC |
2465 | /* The value we are passed in *valuep includes the symbol values. |
2466 | Since we are using BFD_ASSEMBLER, if we are doing this relocation | |
2467 | the code in write.c is going to call bfd_install_relocation, which | |
2468 | is also going to use the symbol value. That means that if the | |
2469 | reloc is fully resolved we want to use *valuep since | |
2470 | bfd_install_relocation is not being used. | |
2471 | ||
2472 | However, if the reloc is not fully resolved we do not want to use | |
2473 | *valuep, and must use fx_offset instead. However, if the reloc | |
2474 | is PC relative, we do want to use *valuep since it includes the | |
2475 | result of md_pcrel_from. */ | |
94f592af NC |
2476 | if (fixP->fx_addsy != (symbolS *) NULL && ! fixP->fx_pcrel) |
2477 | value = fixP->fx_offset; | |
c51ce5f0 | 2478 | |
58a77e41 EC |
2479 | /* If the fix is relative to a symbol which is not defined, or not |
2480 | in the same segment as the fix, we cannot resolve it here. */ | |
94f592af NC |
2481 | if (fixP->fx_addsy != NULL |
2482 | && (! S_IS_DEFINED (fixP->fx_addsy) | |
2483 | || (S_GET_SEGMENT (fixP->fx_addsy) != seg))) | |
58a77e41 | 2484 | { |
94f592af NC |
2485 | fixP->fx_done = 0; |
2486 | return; | |
58a77e41 EC |
2487 | } |
2488 | ||
94f592af | 2489 | switch (fixP->fx_r_type) |
58a77e41 EC |
2490 | { |
2491 | case BFD_RELOC_8: | |
96f37af6 | 2492 | case BFD_RELOC_8_PCREL: |
58a77e41 EC |
2493 | size = 1; |
2494 | break; | |
2495 | ||
2496 | case BFD_RELOC_16: | |
96f37af6 | 2497 | case BFD_RELOC_16_PCREL: |
58a77e41 EC |
2498 | size = 2; |
2499 | break; | |
2500 | ||
2501 | case BFD_RELOC_32: | |
96f37af6 | 2502 | case BFD_RELOC_32_PCREL: |
58a77e41 EC |
2503 | size = 4; |
2504 | break; | |
2505 | ||
2506 | case BFD_RELOC_VTABLE_INHERIT: | |
2507 | case BFD_RELOC_VTABLE_ENTRY: | |
94f592af NC |
2508 | fixP->fx_done = 0; |
2509 | return; | |
58a77e41 EC |
2510 | |
2511 | case BFD_RELOC_NONE: | |
2512 | default: | |
94f592af NC |
2513 | as_bad_where (fixP->fx_file, fixP->fx_line, |
2514 | _("Bad relocation fixup type (%d)"), fixP->fx_r_type); | |
58a77e41 EC |
2515 | } |
2516 | ||
c51ce5f0 | 2517 | md_number_to_chars (fixpos, value, size); |
58a77e41 | 2518 | |
b653e7f9 | 2519 | /* If a symbol remains, pass the fixup, as a reloc, onto the linker. */ |
94f592af NC |
2520 | if (fixP->fx_addsy == NULL) |
2521 | fixP->fx_done = 1; | |
58a77e41 EC |
2522 | } |
2523 | ||
58a77e41 EC |
2524 | /* Return zero if the fixup in fixp should be left alone and not |
2525 | adjusted. */ | |
2526 | ||
b34976b6 | 2527 | bfd_boolean |
58a77e41 EC |
2528 | mn10300_fix_adjustable (fixp) |
2529 | struct fix *fixp; | |
2530 | { | |
bf6f0d0c AO |
2531 | if (! TC_RELOC_RTSYM_LOC_FIXUP (fixp)) |
2532 | return 0; | |
2533 | ||
58a77e41 EC |
2534 | if (fixp->fx_r_type == BFD_RELOC_VTABLE_INHERIT |
2535 | || fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY) | |
2536 | return 0; | |
2537 | ||
7e8f4100 AO |
2538 | /* Do not adjust relocations involving symbols in code sections, |
2539 | because it breaks linker relaxations. This could be fixed in the | |
2540 | linker, but this fix is simpler, and it pretty much only affects | |
2541 | object size a little bit. */ | |
2542 | if (S_GET_SEGMENT (fixp->fx_addsy)->flags & SEC_CODE) | |
2543 | return 0; | |
2544 | ||
58a77e41 | 2545 | return 1; |
252b5132 RH |
2546 | } |
2547 | ||
2548 | /* Insert an operand value into an instruction. */ | |
2549 | ||
2550 | static void | |
2551 | mn10300_insert_operand (insnp, extensionp, operand, val, file, line, shift) | |
2552 | unsigned long *insnp; | |
2553 | unsigned long *extensionp; | |
2554 | const struct mn10300_operand *operand; | |
2555 | offsetT val; | |
2556 | char *file; | |
2557 | unsigned int line; | |
2558 | unsigned int shift; | |
2559 | { | |
2560 | /* No need to check 32bit operands for a bit. Note that | |
2561 | MN10300_OPERAND_SPLIT is an implicit 32bit operand. */ | |
2562 | if (operand->bits != 32 | |
2563 | && (operand->flags & MN10300_OPERAND_SPLIT) == 0) | |
2564 | { | |
2565 | long min, max; | |
2566 | offsetT test; | |
2567 | int bits; | |
2568 | ||
2569 | bits = operand->bits; | |
85cb2cf9 JL |
2570 | if (operand->flags & MN10300_OPERAND_24BIT) |
2571 | bits = 24; | |
252b5132 RH |
2572 | |
2573 | if ((operand->flags & MN10300_OPERAND_SIGNED) != 0) | |
2574 | { | |
2575 | max = (1 << (bits - 1)) - 1; | |
2576 | min = - (1 << (bits - 1)); | |
2577 | } | |
2578 | else | |
87271fa6 NC |
2579 | { |
2580 | max = (1 << bits) - 1; | |
2581 | min = 0; | |
2582 | } | |
252b5132 RH |
2583 | |
2584 | test = val; | |
2585 | ||
252b5132 | 2586 | if (test < (offsetT) min || test > (offsetT) max) |
87271fa6 NC |
2587 | { |
2588 | const char *err = | |
2589 | _("operand out of range (%s not between %ld and %ld)"); | |
2590 | char buf[100]; | |
2591 | ||
2592 | sprint_value (buf, test); | |
2593 | if (file == (char *) NULL) | |
2594 | as_warn (err, buf, min, max); | |
2595 | else | |
2596 | as_warn_where (file, line, err, buf, min, max); | |
2597 | } | |
252b5132 RH |
2598 | } |
2599 | ||
2600 | if ((operand->flags & MN10300_OPERAND_SPLIT) != 0) | |
2601 | { | |
2602 | *insnp |= (val >> (32 - operand->bits)) & ((1 << operand->bits) - 1); | |
2603 | *extensionp |= ((val & ((1 << (32 - operand->bits)) - 1)) | |
2604 | << operand->shift); | |
2605 | } | |
85cb2cf9 JL |
2606 | else if ((operand->flags & MN10300_OPERAND_24BIT) != 0) |
2607 | { | |
2608 | *insnp |= (val >> (24 - operand->bits)) & ((1 << operand->bits) - 1); | |
2609 | *extensionp |= ((val & ((1 << (24 - operand->bits)) - 1)) | |
2610 | << operand->shift); | |
2611 | } | |
e7b71525 AO |
2612 | else if ((operand->flags & (MN10300_OPERAND_FSREG | MN10300_OPERAND_FDREG))) |
2613 | { | |
2614 | /* See devo/opcodes/m10300-opc.c just before #define FSM0 for an | |
2615 | explanation of these variables. Note that FMT-implied shifts | |
2616 | are not taken into account for FP registers. */ | |
2617 | unsigned long mask_low, mask_high; | |
2618 | int shl_low, shr_high, shl_high; | |
2619 | ||
2620 | switch (operand->bits) | |
2621 | { | |
2622 | case 5: | |
2623 | /* Handle regular FP registers. */ | |
2624 | if (operand->shift >= 0) | |
2625 | { | |
2626 | /* This is an `m' register. */ | |
2627 | shl_low = operand->shift; | |
2628 | shl_high = 8 + (8 & shl_low) + (shl_low & 4) / 4; | |
2629 | } | |
2630 | else | |
2631 | { | |
2632 | /* This is an `n' register. */ | |
2633 | shl_low = -operand->shift; | |
2634 | shl_high = shl_low / 4; | |
2635 | } | |
2636 | ||
2637 | mask_low = 0x0f; | |
2638 | mask_high = 0x10; | |
2639 | shr_high = 4; | |
2640 | break; | |
2641 | ||
2642 | case 3: | |
2643 | /* Handle accumulators. */ | |
2644 | shl_low = -operand->shift; | |
2645 | shl_high = 0; | |
2646 | mask_low = 0x03; | |
2647 | mask_high = 0x04; | |
2648 | shr_high = 2; | |
2649 | break; | |
2650 | ||
2651 | default: | |
2652 | abort (); | |
2653 | } | |
2654 | *insnp |= ((((val & mask_high) >> shr_high) << shl_high) | |
2655 | | ((val & mask_low) << shl_low)); | |
2656 | } | |
252b5132 RH |
2657 | else if ((operand->flags & MN10300_OPERAND_EXTENDED) == 0) |
2658 | { | |
2659 | *insnp |= (((long) val & ((1 << operand->bits) - 1)) | |
2660 | << (operand->shift + shift)); | |
2661 | ||
2662 | if ((operand->flags & MN10300_OPERAND_REPEATED) != 0) | |
2663 | *insnp |= (((long) val & ((1 << operand->bits) - 1)) | |
2664 | << (operand->shift + shift + operand->bits)); | |
2665 | } | |
2666 | else | |
2667 | { | |
2668 | *extensionp |= (((long) val & ((1 << operand->bits) - 1)) | |
2669 | << (operand->shift + shift)); | |
2670 | ||
2671 | if ((operand->flags & MN10300_OPERAND_REPEATED) != 0) | |
2672 | *extensionp |= (((long) val & ((1 << operand->bits) - 1)) | |
2673 | << (operand->shift + shift + operand->bits)); | |
2674 | } | |
2675 | } | |
2676 | ||
2677 | static unsigned long | |
2678 | check_operand (insn, operand, val) | |
b4c1ea07 | 2679 | unsigned long insn ATTRIBUTE_UNUSED; |
252b5132 RH |
2680 | const struct mn10300_operand *operand; |
2681 | offsetT val; | |
2682 | { | |
2683 | /* No need to check 32bit operands for a bit. Note that | |
2684 | MN10300_OPERAND_SPLIT is an implicit 32bit operand. */ | |
2685 | if (operand->bits != 32 | |
2686 | && (operand->flags & MN10300_OPERAND_SPLIT) == 0) | |
2687 | { | |
2688 | long min, max; | |
2689 | offsetT test; | |
2690 | int bits; | |
2691 | ||
2692 | bits = operand->bits; | |
85cb2cf9 JL |
2693 | if (operand->flags & MN10300_OPERAND_24BIT) |
2694 | bits = 24; | |
252b5132 RH |
2695 | |
2696 | if ((operand->flags & MN10300_OPERAND_SIGNED) != 0) | |
2697 | { | |
2698 | max = (1 << (bits - 1)) - 1; | |
2699 | min = - (1 << (bits - 1)); | |
2700 | } | |
2701 | else | |
87271fa6 NC |
2702 | { |
2703 | max = (1 << bits) - 1; | |
2704 | min = 0; | |
2705 | } | |
252b5132 RH |
2706 | |
2707 | test = val; | |
2708 | ||
252b5132 RH |
2709 | if (test < (offsetT) min || test > (offsetT) max) |
2710 | return 0; | |
2711 | else | |
2712 | return 1; | |
2713 | } | |
2714 | return 1; | |
2715 | } | |
2716 | ||
2717 | static void | |
2718 | set_arch_mach (mach) | |
497f322d | 2719 | int mach; |
252b5132 RH |
2720 | { |
2721 | if (!bfd_set_arch_mach (stdoutput, bfd_arch_mn10300, mach)) | |
2722 | as_warn (_("could not set architecture and machine")); | |
2723 | ||
2724 | current_machine = mach; | |
2725 | } | |
bf6f0d0c AO |
2726 | |
2727 | static inline char * mn10300_end_of_match PARAMS ((char *, char *)); | |
2728 | ||
2729 | static inline char * | |
2730 | mn10300_end_of_match (cont, what) | |
2731 | char *cont, *what; | |
2732 | { | |
2733 | int len = strlen (what); | |
2734 | ||
2735 | if (strncmp (cont, what, strlen (what)) == 0 | |
2736 | && ! is_part_of_name (cont[len])) | |
2737 | return cont + len; | |
2738 | ||
2739 | return NULL; | |
2740 | } | |
2741 | ||
2742 | int | |
2743 | mn10300_parse_name (name, exprP, nextcharP) | |
2744 | char const *name; | |
2745 | expressionS *exprP; | |
2746 | char *nextcharP; | |
2747 | { | |
2748 | char *next = input_line_pointer; | |
2749 | char *next_end; | |
2750 | int reloc_type; | |
2751 | segT segment; | |
2752 | ||
2753 | exprP->X_op_symbol = NULL; | |
2754 | ||
2755 | if (strcmp (name, GLOBAL_OFFSET_TABLE_NAME) == 0) | |
2756 | { | |
2757 | if (! GOT_symbol) | |
2758 | GOT_symbol = symbol_find_or_make (name); | |
2759 | ||
2760 | exprP->X_add_symbol = GOT_symbol; | |
2761 | no_suffix: | |
2762 | /* If we have an absolute symbol or a reg, | |
2763 | then we know its value now. */ | |
2764 | segment = S_GET_SEGMENT (exprP->X_add_symbol); | |
2765 | if (segment == absolute_section) | |
2766 | { | |
2767 | exprP->X_op = O_constant; | |
2768 | exprP->X_add_number = S_GET_VALUE (exprP->X_add_symbol); | |
2769 | exprP->X_add_symbol = NULL; | |
2770 | } | |
2771 | else if (segment == reg_section) | |
2772 | { | |
2773 | exprP->X_op = O_register; | |
2774 | exprP->X_add_number = S_GET_VALUE (exprP->X_add_symbol); | |
2775 | exprP->X_add_symbol = NULL; | |
2776 | } | |
2777 | else | |
2778 | { | |
2779 | exprP->X_op = O_symbol; | |
2780 | exprP->X_add_number = 0; | |
2781 | } | |
2782 | ||
2783 | return 1; | |
2784 | } | |
2785 | ||
2786 | exprP->X_add_symbol = symbol_find_or_make (name); | |
2787 | ||
2788 | if (*nextcharP != '@') | |
2789 | goto no_suffix; | |
2790 | else if ((next_end = mn10300_end_of_match (next + 1, "GOTOFF"))) | |
2791 | reloc_type = BFD_RELOC_32_GOTOFF; | |
2792 | else if ((next_end = mn10300_end_of_match (next + 1, "GOT"))) | |
2793 | reloc_type = BFD_RELOC_MN10300_GOT32; | |
2794 | else if ((next_end = mn10300_end_of_match (next + 1, "PLT"))) | |
2795 | reloc_type = BFD_RELOC_32_PLT_PCREL; | |
2796 | else | |
2797 | goto no_suffix; | |
2798 | ||
2799 | *input_line_pointer = *nextcharP; | |
2800 | input_line_pointer = next_end; | |
2801 | *nextcharP = *input_line_pointer; | |
2802 | *input_line_pointer = '\0'; | |
2803 | ||
2804 | exprP->X_op = O_PIC_reloc; | |
2805 | exprP->X_add_number = 0; | |
2806 | exprP->X_md = reloc_type; | |
2807 | ||
2808 | return 1; | |
2809 | } |