Commit | Line | Data |
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252b5132 | 1 | /* tc-mn10300.c -- Assembler code for the Matsushita 10300 |
8ad7c533 | 2 | Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, |
66a4ad42 | 3 | 2006, 2007 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 | |
4b4da160 NC |
19 | the Free Software Foundation, 51 Franklin Street - Fifth Floor, |
20 | Boston, MA 02110-1301, USA. */ | |
252b5132 | 21 | |
252b5132 | 22 | #include "as.h" |
3882b010 | 23 | #include "safe-ctype.h" |
87271fa6 | 24 | #include "subsegs.h" |
252b5132 | 25 | #include "opcode/mn10300.h" |
e8b1cae5 | 26 | #include "dwarf2dbg.h" |
252b5132 RH |
27 | \f |
28 | /* Structure to hold information about predefined registers. */ | |
29 | struct reg_name | |
30 | { | |
31 | const char *name; | |
32 | int value; | |
33 | }; | |
34 | ||
87271fa6 NC |
35 | /* Generic assembler global variables which must be defined by all |
36 | targets. */ | |
252b5132 | 37 | |
87271fa6 | 38 | /* Characters which always start a comment. */ |
252b5132 RH |
39 | const char comment_chars[] = "#"; |
40 | ||
41 | /* Characters which start a comment at the beginning of a line. */ | |
42 | const char line_comment_chars[] = ";#"; | |
43 | ||
87271fa6 | 44 | /* Characters which may be used to separate multiple commands on a |
252b5132 RH |
45 | single line. */ |
46 | const char line_separator_chars[] = ";"; | |
47 | ||
87271fa6 | 48 | /* Characters which are used to indicate an exponent in a floating |
252b5132 RH |
49 | point number. */ |
50 | const char EXP_CHARS[] = "eE"; | |
51 | ||
87271fa6 | 52 | /* Characters which mean that a number is a floating point constant, |
252b5132 RH |
53 | as in 0d1.0. */ |
54 | const char FLT_CHARS[] = "dD"; | |
55 | \f | |
dae1b34e NC |
56 | const relax_typeS md_relax_table[] = |
57 | { | |
58 | /* The plus values for the bCC and fBCC instructions in the table below | |
59 | are because the branch instruction is translated into a jump | |
60 | instruction that is now +2 or +3 bytes further on in memory, and the | |
61 | correct size of jump instruction must be selected. */ | |
87271fa6 | 62 | /* bCC relaxing */ |
252b5132 | 63 | {0x7f, -0x80, 2, 1}, |
dae1b34e | 64 | {0x7fff + 2, -0x8000 + 2, 5, 2}, |
252b5132 RH |
65 | {0x7fffffff, -0x80000000, 7, 0}, |
66 | ||
dae1b34e | 67 | /* bCC relaxing (uncommon cases for 3byte length instructions) */ |
252b5132 | 68 | {0x7f, -0x80, 3, 4}, |
dae1b34e | 69 | {0x7fff + 3, -0x8000 + 3, 6, 5}, |
252b5132 RH |
70 | {0x7fffffff, -0x80000000, 8, 0}, |
71 | ||
87271fa6 | 72 | /* call relaxing */ |
252b5132 RH |
73 | {0x7fff, -0x8000, 5, 7}, |
74 | {0x7fffffff, -0x80000000, 7, 0}, | |
75 | ||
87271fa6 | 76 | /* calls relaxing */ |
252b5132 RH |
77 | {0x7fff, -0x8000, 4, 9}, |
78 | {0x7fffffff, -0x80000000, 6, 0}, | |
79 | ||
87271fa6 | 80 | /* jmp relaxing */ |
252b5132 RH |
81 | {0x7f, -0x80, 2, 11}, |
82 | {0x7fff, -0x8000, 3, 12}, | |
83 | {0x7fffffff, -0x80000000, 5, 0}, | |
84 | ||
e7b71525 AO |
85 | /* fbCC relaxing */ |
86 | {0x7f, -0x80, 3, 14}, | |
dae1b34e | 87 | {0x7fff + 3, -0x8000 + 3, 6, 15}, |
e7b71525 AO |
88 | {0x7fffffff, -0x80000000, 8, 0}, |
89 | ||
252b5132 RH |
90 | }; |
91 | ||
87271fa6 | 92 | /* Local functions. */ |
252b5132 RH |
93 | static void mn10300_insert_operand PARAMS ((unsigned long *, unsigned long *, |
94 | const struct mn10300_operand *, | |
95 | offsetT, char *, unsigned, | |
96 | unsigned)); | |
97 | static unsigned long check_operand PARAMS ((unsigned long, | |
98 | const struct mn10300_operand *, | |
99 | offsetT)); | |
100 | static int reg_name_search PARAMS ((const struct reg_name *, int, const char *)); | |
b34976b6 AM |
101 | static bfd_boolean data_register_name PARAMS ((expressionS *expressionP)); |
102 | static bfd_boolean address_register_name PARAMS ((expressionS *expressionP)); | |
103 | static bfd_boolean other_register_name PARAMS ((expressionS *expressionP)); | |
497f322d AO |
104 | static bfd_boolean r_register_name PARAMS ((expressionS *expressionP)); |
105 | static bfd_boolean xr_register_name PARAMS ((expressionS *expressionP)); | |
106 | static void set_arch_mach PARAMS ((int)); | |
252b5132 | 107 | |
1485d400 EC |
108 | /* Set linkrelax here to avoid fixups in most sections. */ |
109 | int linkrelax = 1; | |
110 | ||
252b5132 RH |
111 | static int current_machine; |
112 | ||
87271fa6 | 113 | /* Fixups. */ |
252b5132 RH |
114 | #define MAX_INSN_FIXUPS (5) |
115 | struct mn10300_fixup | |
116 | { | |
117 | expressionS exp; | |
118 | int opindex; | |
119 | bfd_reloc_code_real_type reloc; | |
120 | }; | |
121 | struct mn10300_fixup fixups[MAX_INSN_FIXUPS]; | |
122 | static int fc; | |
123 | ||
124 | /* We must store the value of each register operand so that we can | |
125 | verify that certain registers do not match. */ | |
126 | int mn10300_reg_operands[MN10300_MAX_OPERANDS]; | |
127 | \f | |
128 | const char *md_shortopts = ""; | |
129 | struct option md_longopts[] = { | |
130 | {NULL, no_argument, NULL, 0} | |
131 | }; | |
87271fa6 | 132 | size_t md_longopts_size = sizeof (md_longopts); |
252b5132 RH |
133 | |
134 | /* The target specific pseudo-ops which we support. */ | |
135 | const pseudo_typeS md_pseudo_table[] = | |
136 | { | |
0a727238 AO |
137 | { "am30", set_arch_mach, AM30 }, |
138 | { "am33", set_arch_mach, AM33 }, | |
e7b71525 | 139 | { "am33_2", (void (*) PARAMS ((int))) set_arch_mach, AM33_2 }, |
0a727238 | 140 | { "mn10300", set_arch_mach, MN103 }, |
252b5132 RH |
141 | {NULL, 0, 0} |
142 | }; | |
143 | ||
e7b71525 AO |
144 | #define HAVE_AM33_2 (current_machine == AM33_2) |
145 | #define HAVE_AM33 (current_machine == AM33 || HAVE_AM33_2) | |
aa15f6f7 | 146 | #define HAVE_AM30 (current_machine == AM30) |
0a727238 | 147 | |
252b5132 RH |
148 | /* Opcode hash table. */ |
149 | static struct hash_control *mn10300_hash; | |
150 | ||
87271fa6 | 151 | /* This table is sorted. Suitable for searching by a binary search. */ |
252b5132 RH |
152 | static const struct reg_name data_registers[] = |
153 | { | |
154 | { "d0", 0 }, | |
155 | { "d1", 1 }, | |
156 | { "d2", 2 }, | |
157 | { "d3", 3 }, | |
158 | }; | |
87271fa6 NC |
159 | #define DATA_REG_NAME_CNT \ |
160 | (sizeof (data_registers) / sizeof (struct reg_name)) | |
252b5132 RH |
161 | |
162 | static const struct reg_name address_registers[] = | |
163 | { | |
164 | { "a0", 0 }, | |
165 | { "a1", 1 }, | |
166 | { "a2", 2 }, | |
167 | { "a3", 3 }, | |
168 | }; | |
87271fa6 NC |
169 | |
170 | #define ADDRESS_REG_NAME_CNT \ | |
171 | (sizeof (address_registers) / sizeof (struct reg_name)) | |
252b5132 | 172 | |
85cb2cf9 JL |
173 | static const struct reg_name r_registers[] = |
174 | { | |
175 | { "a0", 8 }, | |
176 | { "a1", 9 }, | |
177 | { "a2", 10 }, | |
178 | { "a3", 11 }, | |
179 | { "d0", 12 }, | |
180 | { "d1", 13 }, | |
181 | { "d2", 14 }, | |
182 | { "d3", 15 }, | |
183 | { "e0", 0 }, | |
184 | { "e1", 1 }, | |
185 | { "e10", 10 }, | |
186 | { "e11", 11 }, | |
187 | { "e12", 12 }, | |
188 | { "e13", 13 }, | |
189 | { "e14", 14 }, | |
190 | { "e15", 15 }, | |
191 | { "e2", 2 }, | |
192 | { "e3", 3 }, | |
193 | { "e4", 4 }, | |
194 | { "e5", 5 }, | |
195 | { "e6", 6 }, | |
196 | { "e7", 7 }, | |
197 | { "e8", 8 }, | |
198 | { "e9", 9 }, | |
199 | { "r0", 0 }, | |
200 | { "r1", 1 }, | |
201 | { "r10", 10 }, | |
202 | { "r11", 11 }, | |
203 | { "r12", 12 }, | |
204 | { "r13", 13 }, | |
205 | { "r14", 14 }, | |
206 | { "r15", 15 }, | |
207 | { "r2", 2 }, | |
208 | { "r3", 3 }, | |
209 | { "r4", 4 }, | |
210 | { "r5", 5 }, | |
211 | { "r6", 6 }, | |
212 | { "r7", 7 }, | |
213 | { "r8", 8 }, | |
214 | { "r9", 9 }, | |
215 | }; | |
87271fa6 NC |
216 | |
217 | #define R_REG_NAME_CNT \ | |
218 | (sizeof (r_registers) / sizeof (struct reg_name)) | |
85cb2cf9 JL |
219 | |
220 | static const struct reg_name xr_registers[] = | |
221 | { | |
222 | { "mcrh", 2 }, | |
223 | { "mcrl", 3 }, | |
224 | { "mcvf", 4 }, | |
225 | { "mdrq", 1 }, | |
226 | { "sp", 0 }, | |
227 | { "xr0", 0 }, | |
228 | { "xr1", 1 }, | |
229 | { "xr10", 10 }, | |
230 | { "xr11", 11 }, | |
231 | { "xr12", 12 }, | |
232 | { "xr13", 13 }, | |
233 | { "xr14", 14 }, | |
234 | { "xr15", 15 }, | |
235 | { "xr2", 2 }, | |
236 | { "xr3", 3 }, | |
237 | { "xr4", 4 }, | |
238 | { "xr5", 5 }, | |
239 | { "xr6", 6 }, | |
240 | { "xr7", 7 }, | |
241 | { "xr8", 8 }, | |
242 | { "xr9", 9 }, | |
243 | }; | |
85cb2cf9 | 244 | |
87271fa6 NC |
245 | #define XR_REG_NAME_CNT \ |
246 | (sizeof (xr_registers) / sizeof (struct reg_name)) | |
252b5132 | 247 | |
913572ec AO |
248 | /* We abuse the `value' field, that would be otherwise unused, to |
249 | encode the architecture on which (access to) the register was | |
250 | introduced. FIXME: we should probably warn when we encounter a | |
251 | register name when assembling for an architecture that doesn't | |
252 | support it, before parsing it as a symbol name. */ | |
252b5132 RH |
253 | static const struct reg_name other_registers[] = |
254 | { | |
913572ec | 255 | { "epsw", AM33 }, |
252b5132 | 256 | { "mdr", 0 }, |
913572ec | 257 | { "pc", AM33 }, |
252b5132 RH |
258 | { "psw", 0 }, |
259 | { "sp", 0 }, | |
260 | }; | |
87271fa6 NC |
261 | |
262 | #define OTHER_REG_NAME_CNT \ | |
263 | (sizeof (other_registers) / sizeof (struct reg_name)) | |
252b5132 | 264 | |
e7b71525 AO |
265 | static const struct reg_name float_registers[] = |
266 | { | |
267 | { "fs0", 0 }, | |
268 | { "fs1", 1 }, | |
269 | { "fs10", 10 }, | |
270 | { "fs11", 11 }, | |
271 | { "fs12", 12 }, | |
272 | { "fs13", 13 }, | |
273 | { "fs14", 14 }, | |
274 | { "fs15", 15 }, | |
275 | { "fs16", 16 }, | |
276 | { "fs17", 17 }, | |
277 | { "fs18", 18 }, | |
278 | { "fs19", 19 }, | |
279 | { "fs2", 2 }, | |
280 | { "fs20", 20 }, | |
281 | { "fs21", 21 }, | |
282 | { "fs22", 22 }, | |
283 | { "fs23", 23 }, | |
284 | { "fs24", 24 }, | |
285 | { "fs25", 25 }, | |
286 | { "fs26", 26 }, | |
287 | { "fs27", 27 }, | |
288 | { "fs28", 28 }, | |
289 | { "fs29", 29 }, | |
290 | { "fs3", 3 }, | |
291 | { "fs30", 30 }, | |
292 | { "fs31", 31 }, | |
293 | { "fs4", 4 }, | |
294 | { "fs5", 5 }, | |
295 | { "fs6", 6 }, | |
296 | { "fs7", 7 }, | |
297 | { "fs8", 8 }, | |
298 | { "fs9", 9 }, | |
299 | }; | |
300 | ||
301 | #define FLOAT_REG_NAME_CNT \ | |
302 | (sizeof (float_registers) / sizeof (struct reg_name)) | |
303 | ||
304 | static const struct reg_name double_registers[] = | |
305 | { | |
306 | { "fd0", 0 }, | |
307 | { "fd10", 10 }, | |
308 | { "fd12", 12 }, | |
309 | { "fd14", 14 }, | |
310 | { "fd16", 16 }, | |
311 | { "fd18", 18 }, | |
312 | { "fd2", 2 }, | |
313 | { "fd20", 20 }, | |
314 | { "fd22", 22 }, | |
315 | { "fd24", 24 }, | |
316 | { "fd26", 26 }, | |
317 | { "fd28", 28 }, | |
318 | { "fd30", 30 }, | |
319 | { "fd4", 4 }, | |
320 | { "fd6", 6 }, | |
321 | { "fd8", 8 }, | |
322 | }; | |
323 | ||
324 | #define DOUBLE_REG_NAME_CNT \ | |
325 | (sizeof (double_registers) / sizeof (struct reg_name)) | |
326 | ||
327 | ||
252b5132 RH |
328 | /* reg_name_search does a binary search of the given register table |
329 | to see if "name" is a valid regiter name. Returns the register | |
87271fa6 | 330 | number from the array on success, or -1 on failure. */ |
252b5132 RH |
331 | |
332 | static int | |
333 | reg_name_search (regs, regcount, name) | |
334 | const struct reg_name *regs; | |
335 | int regcount; | |
336 | const char *name; | |
337 | { | |
338 | int middle, low, high; | |
339 | int cmp; | |
340 | ||
341 | low = 0; | |
342 | high = regcount - 1; | |
343 | ||
344 | do | |
345 | { | |
346 | middle = (low + high) / 2; | |
347 | cmp = strcasecmp (name, regs[middle].name); | |
348 | if (cmp < 0) | |
349 | high = middle - 1; | |
350 | else if (cmp > 0) | |
351 | low = middle + 1; | |
87271fa6 NC |
352 | else |
353 | return regs[middle].value; | |
252b5132 RH |
354 | } |
355 | while (low <= high); | |
356 | return -1; | |
357 | } | |
358 | ||
85cb2cf9 JL |
359 | /* Summary of register_name(). |
360 | * | |
361 | * in: Input_line_pointer points to 1st char of operand. | |
362 | * | |
b6ff326e | 363 | * out: An expressionS. |
85cb2cf9 JL |
364 | * The operand may have been a register: in this case, X_op == O_register, |
365 | * X_add_number is set to the register number, and truth is returned. | |
366 | * Input_line_pointer->(next non-blank) char after operand, or is in | |
367 | * its original state. | |
368 | */ | |
87271fa6 | 369 | |
b34976b6 | 370 | static bfd_boolean |
85cb2cf9 JL |
371 | r_register_name (expressionP) |
372 | expressionS *expressionP; | |
373 | { | |
374 | int reg_number; | |
375 | char *name; | |
376 | char *start; | |
377 | char c; | |
378 | ||
87271fa6 | 379 | /* Find the spelling of the operand. */ |
85cb2cf9 JL |
380 | start = name = input_line_pointer; |
381 | ||
382 | c = get_symbol_end (); | |
383 | reg_number = reg_name_search (r_registers, R_REG_NAME_CNT, name); | |
384 | ||
468cced8 AM |
385 | /* Put back the delimiting char. */ |
386 | *input_line_pointer = c; | |
387 | ||
87271fa6 NC |
388 | /* Look to see if it's in the register table. */ |
389 | if (reg_number >= 0) | |
85cb2cf9 JL |
390 | { |
391 | expressionP->X_op = O_register; | |
392 | expressionP->X_add_number = reg_number; | |
393 | ||
87271fa6 | 394 | /* Make the rest nice. */ |
85cb2cf9 JL |
395 | expressionP->X_add_symbol = NULL; |
396 | expressionP->X_op_symbol = NULL; | |
87271fa6 | 397 | |
b34976b6 | 398 | return TRUE; |
85cb2cf9 | 399 | } |
87271fa6 | 400 | |
468cced8 AM |
401 | /* Reset the line as if we had not done anything. */ |
402 | input_line_pointer = start; | |
b34976b6 | 403 | return FALSE; |
85cb2cf9 JL |
404 | } |
405 | ||
406 | /* Summary of register_name(). | |
407 | * | |
408 | * in: Input_line_pointer points to 1st char of operand. | |
409 | * | |
b6ff326e | 410 | * out: An expressionS. |
85cb2cf9 JL |
411 | * The operand may have been a register: in this case, X_op == O_register, |
412 | * X_add_number is set to the register number, and truth is returned. | |
413 | * Input_line_pointer->(next non-blank) char after operand, or is in | |
414 | * its original state. | |
415 | */ | |
87271fa6 | 416 | |
b34976b6 | 417 | static bfd_boolean |
85cb2cf9 JL |
418 | xr_register_name (expressionP) |
419 | expressionS *expressionP; | |
420 | { | |
421 | int reg_number; | |
422 | char *name; | |
423 | char *start; | |
424 | char c; | |
425 | ||
87271fa6 | 426 | /* Find the spelling of the operand. */ |
85cb2cf9 JL |
427 | start = name = input_line_pointer; |
428 | ||
429 | c = get_symbol_end (); | |
430 | reg_number = reg_name_search (xr_registers, XR_REG_NAME_CNT, name); | |
431 | ||
468cced8 AM |
432 | /* Put back the delimiting char. */ |
433 | *input_line_pointer = c; | |
434 | ||
87271fa6 NC |
435 | /* Look to see if it's in the register table. */ |
436 | if (reg_number >= 0) | |
85cb2cf9 JL |
437 | { |
438 | expressionP->X_op = O_register; | |
439 | expressionP->X_add_number = reg_number; | |
440 | ||
87271fa6 | 441 | /* Make the rest nice. */ |
85cb2cf9 JL |
442 | expressionP->X_add_symbol = NULL; |
443 | expressionP->X_op_symbol = NULL; | |
87271fa6 | 444 | |
b34976b6 | 445 | return TRUE; |
85cb2cf9 | 446 | } |
87271fa6 | 447 | |
468cced8 AM |
448 | /* Reset the line as if we had not done anything. */ |
449 | input_line_pointer = start; | |
b34976b6 | 450 | return FALSE; |
85cb2cf9 | 451 | } |
252b5132 RH |
452 | |
453 | /* Summary of register_name(). | |
454 | * | |
455 | * in: Input_line_pointer points to 1st char of operand. | |
456 | * | |
b6ff326e | 457 | * out: An expressionS. |
252b5132 RH |
458 | * The operand may have been a register: in this case, X_op == O_register, |
459 | * X_add_number is set to the register number, and truth is returned. | |
460 | * Input_line_pointer->(next non-blank) char after operand, or is in | |
461 | * its original state. | |
462 | */ | |
87271fa6 | 463 | |
b34976b6 | 464 | static bfd_boolean |
252b5132 RH |
465 | data_register_name (expressionP) |
466 | expressionS *expressionP; | |
467 | { | |
468 | int reg_number; | |
469 | char *name; | |
470 | char *start; | |
471 | char c; | |
472 | ||
87271fa6 | 473 | /* Find the spelling of the operand. */ |
252b5132 RH |
474 | start = name = input_line_pointer; |
475 | ||
476 | c = get_symbol_end (); | |
477 | reg_number = reg_name_search (data_registers, DATA_REG_NAME_CNT, name); | |
478 | ||
468cced8 AM |
479 | /* Put back the delimiting char. */ |
480 | *input_line_pointer = c; | |
481 | ||
87271fa6 NC |
482 | /* Look to see if it's in the register table. */ |
483 | if (reg_number >= 0) | |
252b5132 RH |
484 | { |
485 | expressionP->X_op = O_register; | |
486 | expressionP->X_add_number = reg_number; | |
487 | ||
87271fa6 | 488 | /* Make the rest nice. */ |
252b5132 RH |
489 | expressionP->X_add_symbol = NULL; |
490 | expressionP->X_op_symbol = NULL; | |
87271fa6 | 491 | |
b34976b6 | 492 | return TRUE; |
252b5132 | 493 | } |
87271fa6 | 494 | |
468cced8 AM |
495 | /* Reset the line as if we had not done anything. */ |
496 | input_line_pointer = start; | |
b34976b6 | 497 | return FALSE; |
252b5132 RH |
498 | } |
499 | ||
500 | /* Summary of register_name(). | |
501 | * | |
502 | * in: Input_line_pointer points to 1st char of operand. | |
503 | * | |
b6ff326e | 504 | * out: An expressionS. |
252b5132 RH |
505 | * The operand may have been a register: in this case, X_op == O_register, |
506 | * X_add_number is set to the register number, and truth is returned. | |
507 | * Input_line_pointer->(next non-blank) char after operand, or is in | |
508 | * its original state. | |
509 | */ | |
87271fa6 | 510 | |
b34976b6 | 511 | static bfd_boolean |
252b5132 RH |
512 | address_register_name (expressionP) |
513 | expressionS *expressionP; | |
514 | { | |
515 | int reg_number; | |
516 | char *name; | |
517 | char *start; | |
518 | char c; | |
519 | ||
87271fa6 | 520 | /* Find the spelling of the operand. */ |
252b5132 RH |
521 | start = name = input_line_pointer; |
522 | ||
523 | c = get_symbol_end (); | |
524 | reg_number = reg_name_search (address_registers, ADDRESS_REG_NAME_CNT, name); | |
525 | ||
468cced8 AM |
526 | /* Put back the delimiting char. */ |
527 | *input_line_pointer = c; | |
528 | ||
87271fa6 NC |
529 | /* Look to see if it's in the register table. */ |
530 | if (reg_number >= 0) | |
252b5132 RH |
531 | { |
532 | expressionP->X_op = O_register; | |
533 | expressionP->X_add_number = reg_number; | |
534 | ||
87271fa6 | 535 | /* Make the rest nice. */ |
252b5132 RH |
536 | expressionP->X_add_symbol = NULL; |
537 | expressionP->X_op_symbol = NULL; | |
87271fa6 | 538 | |
b34976b6 | 539 | return TRUE; |
252b5132 | 540 | } |
87271fa6 | 541 | |
468cced8 AM |
542 | /* Reset the line as if we had not done anything. */ |
543 | input_line_pointer = start; | |
b34976b6 | 544 | return FALSE; |
252b5132 RH |
545 | } |
546 | ||
547 | /* Summary of register_name(). | |
548 | * | |
549 | * in: Input_line_pointer points to 1st char of operand. | |
550 | * | |
b6ff326e | 551 | * out: An expressionS. |
252b5132 RH |
552 | * The operand may have been a register: in this case, X_op == O_register, |
553 | * X_add_number is set to the register number, and truth is returned. | |
554 | * Input_line_pointer->(next non-blank) char after operand, or is in | |
555 | * its original state. | |
556 | */ | |
87271fa6 | 557 | |
b34976b6 | 558 | static bfd_boolean |
252b5132 RH |
559 | other_register_name (expressionP) |
560 | expressionS *expressionP; | |
561 | { | |
562 | int reg_number; | |
563 | char *name; | |
564 | char *start; | |
565 | char c; | |
566 | ||
87271fa6 | 567 | /* Find the spelling of the operand. */ |
252b5132 RH |
568 | start = name = input_line_pointer; |
569 | ||
570 | c = get_symbol_end (); | |
571 | reg_number = reg_name_search (other_registers, OTHER_REG_NAME_CNT, name); | |
572 | ||
468cced8 AM |
573 | /* Put back the delimiting char. */ |
574 | *input_line_pointer = c; | |
575 | ||
87271fa6 | 576 | /* Look to see if it's in the register table. */ |
913572ec AO |
577 | if (reg_number == 0 |
578 | || (reg_number == AM33 && HAVE_AM33)) | |
252b5132 RH |
579 | { |
580 | expressionP->X_op = O_register; | |
913572ec | 581 | expressionP->X_add_number = 0; |
252b5132 | 582 | |
87271fa6 | 583 | /* Make the rest nice. */ |
252b5132 RH |
584 | expressionP->X_add_symbol = NULL; |
585 | expressionP->X_op_symbol = NULL; | |
87271fa6 | 586 | |
b34976b6 | 587 | return TRUE; |
252b5132 | 588 | } |
87271fa6 | 589 | |
468cced8 AM |
590 | /* Reset the line as if we had not done anything. */ |
591 | input_line_pointer = start; | |
b34976b6 | 592 | return FALSE; |
252b5132 RH |
593 | } |
594 | ||
e7b71525 AO |
595 | static bfd_boolean double_register_name PARAMS ((expressionS *)); |
596 | static bfd_boolean float_register_name PARAMS ((expressionS *)); | |
597 | ||
598 | /* Summary of float_register_name: | |
599 | ||
600 | in: Input_line_pointer points to 1st char of operand. | |
601 | ||
602 | out: A expressionS. | |
603 | The operand may have been a register: in this case, X_op == O_register, | |
604 | X_add_number is set to the register number, and truth is returned. | |
605 | Input_line_pointer->(next non-blank) char after operand, or is in | |
606 | its original state. */ | |
607 | ||
608 | static bfd_boolean | |
609 | float_register_name (expressionP) | |
610 | expressionS *expressionP; | |
611 | { | |
612 | int reg_number; | |
613 | char *name; | |
614 | char *start; | |
615 | char c; | |
616 | ||
617 | /* Find the spelling of the operand. */ | |
618 | start = name = input_line_pointer; | |
619 | ||
620 | c = get_symbol_end (); | |
621 | reg_number = reg_name_search (float_registers, FLOAT_REG_NAME_CNT, name); | |
622 | ||
623 | /* Put back the delimiting char. */ | |
624 | * input_line_pointer = c; | |
625 | ||
626 | /* Look to see if it's in the register table. */ | |
627 | if (reg_number >= 0) | |
628 | { | |
629 | expressionP->X_op = O_register; | |
630 | expressionP->X_add_number = reg_number; | |
631 | ||
632 | /* Make the rest nice. */ | |
633 | expressionP->X_add_symbol = NULL; | |
634 | expressionP->X_op_symbol = NULL; | |
635 | ||
636 | return TRUE; | |
637 | } | |
638 | ||
639 | /* Reset the line as if we had not done anything. */ | |
640 | input_line_pointer = start; | |
641 | return FALSE; | |
642 | } | |
643 | ||
644 | /* Summary of double_register_name: | |
645 | ||
646 | in: Input_line_pointer points to 1st char of operand. | |
647 | ||
648 | out: A expressionS. | |
649 | The operand may have been a register: in this case, X_op == O_register, | |
650 | X_add_number is set to the register number, and truth is returned. | |
651 | Input_line_pointer->(next non-blank) char after operand, or is in | |
652 | its original state. */ | |
653 | ||
654 | static bfd_boolean | |
655 | double_register_name (expressionP) | |
656 | expressionS *expressionP; | |
657 | { | |
658 | int reg_number; | |
659 | char *name; | |
660 | char *start; | |
661 | char c; | |
662 | ||
663 | /* Find the spelling of the operand. */ | |
664 | start = name = input_line_pointer; | |
665 | ||
666 | c = get_symbol_end (); | |
667 | reg_number = reg_name_search (double_registers, DOUBLE_REG_NAME_CNT, name); | |
668 | ||
669 | /* Put back the delimiting char. */ | |
670 | * input_line_pointer = c; | |
671 | ||
672 | /* Look to see if it's in the register table. */ | |
673 | if (reg_number >= 0) | |
674 | { | |
675 | expressionP->X_op = O_register; | |
676 | expressionP->X_add_number = reg_number; | |
677 | ||
678 | /* Make the rest nice. */ | |
679 | expressionP->X_add_symbol = NULL; | |
680 | expressionP->X_op_symbol = NULL; | |
681 | ||
682 | return TRUE; | |
683 | } | |
684 | ||
685 | /* Reset the line as if we had not done anything. */ | |
686 | input_line_pointer = start; | |
687 | return FALSE; | |
688 | } | |
689 | ||
252b5132 RH |
690 | void |
691 | md_show_usage (stream) | |
87271fa6 | 692 | FILE *stream; |
252b5132 | 693 | { |
b3549761 | 694 | fprintf (stream, _("MN10300 assembler options:\n\ |
252b5132 | 695 | none yet\n")); |
87271fa6 | 696 | } |
252b5132 RH |
697 | |
698 | int | |
699 | md_parse_option (c, arg) | |
b4c1ea07 EC |
700 | int c ATTRIBUTE_UNUSED; |
701 | char *arg ATTRIBUTE_UNUSED; | |
252b5132 RH |
702 | { |
703 | return 0; | |
704 | } | |
705 | ||
706 | symbolS * | |
707 | md_undefined_symbol (name) | |
b4c1ea07 | 708 | char *name ATTRIBUTE_UNUSED; |
252b5132 RH |
709 | { |
710 | return 0; | |
711 | } | |
712 | ||
713 | char * | |
714 | md_atof (type, litp, sizep) | |
87271fa6 NC |
715 | int type; |
716 | char *litp; | |
717 | int *sizep; | |
252b5132 RH |
718 | { |
719 | int prec; | |
720 | LITTLENUM_TYPE words[4]; | |
721 | char *t; | |
722 | int i; | |
723 | ||
724 | switch (type) | |
725 | { | |
726 | case 'f': | |
727 | prec = 2; | |
728 | break; | |
729 | ||
730 | case 'd': | |
731 | prec = 4; | |
732 | break; | |
733 | ||
734 | default: | |
735 | *sizep = 0; | |
736 | return "bad call to md_atof"; | |
737 | } | |
87271fa6 | 738 | |
252b5132 RH |
739 | t = atof_ieee (input_line_pointer, type, words); |
740 | if (t) | |
741 | input_line_pointer = t; | |
742 | ||
743 | *sizep = prec * 2; | |
744 | ||
745 | for (i = prec - 1; i >= 0; i--) | |
746 | { | |
747 | md_number_to_chars (litp, (valueT) words[i], 2); | |
748 | litp += 2; | |
749 | } | |
750 | ||
751 | return NULL; | |
752 | } | |
753 | ||
252b5132 RH |
754 | void |
755 | md_convert_frag (abfd, sec, fragP) | |
b4c1ea07 | 756 | bfd *abfd ATTRIBUTE_UNUSED; |
87271fa6 NC |
757 | asection *sec; |
758 | fragS *fragP; | |
252b5132 RH |
759 | { |
760 | static unsigned long label_count = 0; | |
761 | char buf[40]; | |
762 | ||
763 | subseg_change (sec, 0); | |
764 | if (fragP->fr_subtype == 0) | |
765 | { | |
766 | fix_new (fragP, fragP->fr_fix + 1, 1, fragP->fr_symbol, | |
767 | fragP->fr_offset + 1, 1, BFD_RELOC_8_PCREL); | |
768 | fragP->fr_var = 0; | |
769 | fragP->fr_fix += 2; | |
770 | } | |
771 | else if (fragP->fr_subtype == 1) | |
772 | { | |
773 | /* Reverse the condition of the first branch. */ | |
774 | int offset = fragP->fr_fix; | |
775 | int opcode = fragP->fr_literal[offset] & 0xff; | |
776 | ||
777 | switch (opcode) | |
778 | { | |
779 | case 0xc8: | |
780 | opcode = 0xc9; | |
781 | break; | |
782 | case 0xc9: | |
783 | opcode = 0xc8; | |
784 | break; | |
785 | case 0xc0: | |
786 | opcode = 0xc2; | |
787 | break; | |
788 | case 0xc2: | |
789 | opcode = 0xc0; | |
790 | break; | |
791 | case 0xc3: | |
792 | opcode = 0xc1; | |
793 | break; | |
794 | case 0xc1: | |
795 | opcode = 0xc3; | |
796 | break; | |
797 | case 0xc4: | |
798 | opcode = 0xc6; | |
799 | break; | |
800 | case 0xc6: | |
801 | opcode = 0xc4; | |
802 | break; | |
803 | case 0xc7: | |
804 | opcode = 0xc5; | |
805 | break; | |
806 | case 0xc5: | |
807 | opcode = 0xc7; | |
808 | break; | |
809 | default: | |
810 | abort (); | |
811 | } | |
812 | fragP->fr_literal[offset] = opcode; | |
813 | ||
814 | /* Create a fixup for the reversed conditional branch. */ | |
0aa529cb | 815 | sprintf (buf, ".%s_%ld", FAKE_LABEL_NAME, label_count++); |
252b5132 RH |
816 | fix_new (fragP, fragP->fr_fix + 1, 1, |
817 | symbol_new (buf, sec, 0, fragP->fr_next), | |
818 | fragP->fr_offset + 1, 1, BFD_RELOC_8_PCREL); | |
819 | ||
820 | /* Now create the unconditional branch + fixup to the | |
821 | final target. */ | |
822 | fragP->fr_literal[offset + 2] = 0xcc; | |
823 | fix_new (fragP, fragP->fr_fix + 3, 2, fragP->fr_symbol, | |
824 | fragP->fr_offset + 1, 1, BFD_RELOC_16_PCREL); | |
825 | fragP->fr_var = 0; | |
826 | fragP->fr_fix += 5; | |
827 | } | |
828 | else if (fragP->fr_subtype == 2) | |
829 | { | |
830 | /* Reverse the condition of the first branch. */ | |
831 | int offset = fragP->fr_fix; | |
832 | int opcode = fragP->fr_literal[offset] & 0xff; | |
833 | ||
834 | switch (opcode) | |
835 | { | |
836 | case 0xc8: | |
837 | opcode = 0xc9; | |
838 | break; | |
839 | case 0xc9: | |
840 | opcode = 0xc8; | |
841 | break; | |
842 | case 0xc0: | |
843 | opcode = 0xc2; | |
844 | break; | |
845 | case 0xc2: | |
846 | opcode = 0xc0; | |
847 | break; | |
848 | case 0xc3: | |
849 | opcode = 0xc1; | |
850 | break; | |
851 | case 0xc1: | |
852 | opcode = 0xc3; | |
853 | break; | |
854 | case 0xc4: | |
855 | opcode = 0xc6; | |
856 | break; | |
857 | case 0xc6: | |
858 | opcode = 0xc4; | |
859 | break; | |
860 | case 0xc7: | |
861 | opcode = 0xc5; | |
862 | break; | |
863 | case 0xc5: | |
864 | opcode = 0xc7; | |
865 | break; | |
866 | default: | |
867 | abort (); | |
868 | } | |
869 | fragP->fr_literal[offset] = opcode; | |
870 | ||
871 | /* Create a fixup for the reversed conditional branch. */ | |
0aa529cb | 872 | sprintf (buf, ".%s_%ld", FAKE_LABEL_NAME, label_count++); |
252b5132 RH |
873 | fix_new (fragP, fragP->fr_fix + 1, 1, |
874 | symbol_new (buf, sec, 0, fragP->fr_next), | |
875 | fragP->fr_offset + 1, 1, BFD_RELOC_8_PCREL); | |
876 | ||
877 | /* Now create the unconditional branch + fixup to the | |
878 | final target. */ | |
879 | fragP->fr_literal[offset + 2] = 0xdc; | |
880 | fix_new (fragP, fragP->fr_fix + 3, 4, fragP->fr_symbol, | |
881 | fragP->fr_offset + 1, 1, BFD_RELOC_32_PCREL); | |
882 | fragP->fr_var = 0; | |
883 | fragP->fr_fix += 7; | |
884 | } | |
885 | else if (fragP->fr_subtype == 3) | |
886 | { | |
887 | fix_new (fragP, fragP->fr_fix + 2, 1, fragP->fr_symbol, | |
888 | fragP->fr_offset + 2, 1, BFD_RELOC_8_PCREL); | |
889 | fragP->fr_var = 0; | |
890 | fragP->fr_fix += 3; | |
891 | } | |
892 | else if (fragP->fr_subtype == 4) | |
893 | { | |
894 | /* Reverse the condition of the first branch. */ | |
895 | int offset = fragP->fr_fix; | |
896 | int opcode = fragP->fr_literal[offset + 1] & 0xff; | |
897 | ||
898 | switch (opcode) | |
899 | { | |
900 | case 0xe8: | |
901 | opcode = 0xe9; | |
902 | break; | |
903 | case 0xe9: | |
904 | opcode = 0xe8; | |
905 | break; | |
906 | case 0xea: | |
907 | opcode = 0xeb; | |
908 | break; | |
909 | case 0xeb: | |
910 | opcode = 0xea; | |
911 | break; | |
912 | default: | |
913 | abort (); | |
914 | } | |
915 | fragP->fr_literal[offset + 1] = opcode; | |
916 | ||
917 | /* Create a fixup for the reversed conditional branch. */ | |
0aa529cb | 918 | sprintf (buf, ".%s_%ld", FAKE_LABEL_NAME, label_count++); |
252b5132 RH |
919 | fix_new (fragP, fragP->fr_fix + 2, 1, |
920 | symbol_new (buf, sec, 0, fragP->fr_next), | |
921 | fragP->fr_offset + 2, 1, BFD_RELOC_8_PCREL); | |
922 | ||
923 | /* Now create the unconditional branch + fixup to the | |
924 | final target. */ | |
925 | fragP->fr_literal[offset + 3] = 0xcc; | |
926 | fix_new (fragP, fragP->fr_fix + 4, 2, fragP->fr_symbol, | |
927 | fragP->fr_offset + 1, 1, BFD_RELOC_16_PCREL); | |
928 | fragP->fr_var = 0; | |
929 | fragP->fr_fix += 6; | |
930 | } | |
931 | else if (fragP->fr_subtype == 5) | |
932 | { | |
933 | /* Reverse the condition of the first branch. */ | |
934 | int offset = fragP->fr_fix; | |
935 | int opcode = fragP->fr_literal[offset + 1] & 0xff; | |
936 | ||
937 | switch (opcode) | |
938 | { | |
939 | case 0xe8: | |
940 | opcode = 0xe9; | |
941 | break; | |
942 | case 0xea: | |
943 | opcode = 0xeb; | |
944 | break; | |
945 | case 0xeb: | |
946 | opcode = 0xea; | |
947 | break; | |
948 | default: | |
949 | abort (); | |
950 | } | |
951 | fragP->fr_literal[offset + 1] = opcode; | |
952 | ||
953 | /* Create a fixup for the reversed conditional branch. */ | |
0aa529cb | 954 | sprintf (buf, ".%s_%ld", FAKE_LABEL_NAME, label_count++); |
252b5132 RH |
955 | fix_new (fragP, fragP->fr_fix + 2, 1, |
956 | symbol_new (buf, sec, 0, fragP->fr_next), | |
957 | fragP->fr_offset + 2, 1, BFD_RELOC_8_PCREL); | |
958 | ||
959 | /* Now create the unconditional branch + fixup to the | |
960 | final target. */ | |
961 | fragP->fr_literal[offset + 3] = 0xdc; | |
962 | fix_new (fragP, fragP->fr_fix + 4, 4, fragP->fr_symbol, | |
963 | fragP->fr_offset + 1, 1, BFD_RELOC_32_PCREL); | |
964 | fragP->fr_var = 0; | |
965 | fragP->fr_fix += 8; | |
966 | } | |
967 | else if (fragP->fr_subtype == 6) | |
968 | { | |
969 | int offset = fragP->fr_fix; | |
970 | fragP->fr_literal[offset] = 0xcd; | |
971 | fix_new (fragP, fragP->fr_fix + 1, 2, fragP->fr_symbol, | |
972 | fragP->fr_offset + 1, 1, BFD_RELOC_16_PCREL); | |
973 | fragP->fr_var = 0; | |
974 | fragP->fr_fix += 5; | |
975 | } | |
976 | else if (fragP->fr_subtype == 7) | |
977 | { | |
978 | int offset = fragP->fr_fix; | |
979 | fragP->fr_literal[offset] = 0xdd; | |
980 | fragP->fr_literal[offset + 5] = fragP->fr_literal[offset + 3]; | |
981 | fragP->fr_literal[offset + 6] = fragP->fr_literal[offset + 4]; | |
982 | ||
983 | fix_new (fragP, fragP->fr_fix + 1, 4, fragP->fr_symbol, | |
984 | fragP->fr_offset + 1, 1, BFD_RELOC_32_PCREL); | |
985 | fragP->fr_var = 0; | |
986 | fragP->fr_fix += 7; | |
987 | } | |
988 | else if (fragP->fr_subtype == 8) | |
989 | { | |
990 | int offset = fragP->fr_fix; | |
991 | fragP->fr_literal[offset] = 0xfa; | |
992 | fragP->fr_literal[offset + 1] = 0xff; | |
993 | fix_new (fragP, fragP->fr_fix + 2, 2, fragP->fr_symbol, | |
994 | fragP->fr_offset + 2, 1, BFD_RELOC_16_PCREL); | |
995 | fragP->fr_var = 0; | |
996 | fragP->fr_fix += 4; | |
997 | } | |
998 | else if (fragP->fr_subtype == 9) | |
999 | { | |
1000 | int offset = fragP->fr_fix; | |
1001 | fragP->fr_literal[offset] = 0xfc; | |
1002 | fragP->fr_literal[offset + 1] = 0xff; | |
1003 | ||
1004 | fix_new (fragP, fragP->fr_fix + 2, 4, fragP->fr_symbol, | |
1005 | fragP->fr_offset + 2, 1, BFD_RELOC_32_PCREL); | |
1006 | fragP->fr_var = 0; | |
1007 | fragP->fr_fix += 6; | |
1008 | } | |
1009 | else if (fragP->fr_subtype == 10) | |
1010 | { | |
1011 | fragP->fr_literal[fragP->fr_fix] = 0xca; | |
1012 | fix_new (fragP, fragP->fr_fix + 1, 1, fragP->fr_symbol, | |
1013 | fragP->fr_offset + 1, 1, BFD_RELOC_8_PCREL); | |
1014 | fragP->fr_var = 0; | |
1015 | fragP->fr_fix += 2; | |
1016 | } | |
1017 | else if (fragP->fr_subtype == 11) | |
1018 | { | |
1019 | int offset = fragP->fr_fix; | |
1020 | fragP->fr_literal[offset] = 0xcc; | |
1021 | ||
acb02403 | 1022 | fix_new (fragP, fragP->fr_fix + 1, 2, fragP->fr_symbol, |
252b5132 RH |
1023 | fragP->fr_offset + 1, 1, BFD_RELOC_16_PCREL); |
1024 | fragP->fr_var = 0; | |
1025 | fragP->fr_fix += 3; | |
1026 | } | |
1027 | else if (fragP->fr_subtype == 12) | |
1028 | { | |
1029 | int offset = fragP->fr_fix; | |
1030 | fragP->fr_literal[offset] = 0xdc; | |
1031 | ||
1032 | fix_new (fragP, fragP->fr_fix + 1, 4, fragP->fr_symbol, | |
1033 | fragP->fr_offset + 1, 1, BFD_RELOC_32_PCREL); | |
1034 | fragP->fr_var = 0; | |
1035 | fragP->fr_fix += 5; | |
1036 | } | |
e7b71525 AO |
1037 | else if (fragP->fr_subtype == 13) |
1038 | { | |
1039 | fix_new (fragP, fragP->fr_fix + 2, 1, fragP->fr_symbol, | |
1040 | fragP->fr_offset + 2, 1, BFD_RELOC_8_PCREL); | |
1041 | fragP->fr_var = 0; | |
1042 | fragP->fr_fix += 3; | |
1043 | } | |
1044 | else if (fragP->fr_subtype == 14) | |
1045 | { | |
1046 | /* Reverse the condition of the first branch. */ | |
1047 | int offset = fragP->fr_fix; | |
1048 | int opcode = fragP->fr_literal[offset + 1] & 0xff; | |
1049 | ||
1050 | switch (opcode) | |
1051 | { | |
1052 | case 0xd0: | |
1053 | opcode = 0xd1; | |
1054 | break; | |
1055 | case 0xd1: | |
1056 | opcode = 0xd0; | |
1057 | break; | |
1058 | case 0xd2: | |
1059 | opcode = 0xdc; | |
1060 | break; | |
1061 | case 0xd3: | |
1062 | opcode = 0xdb; | |
1063 | break; | |
1064 | case 0xd4: | |
1065 | opcode = 0xda; | |
1066 | break; | |
1067 | case 0xd5: | |
1068 | opcode = 0xd9; | |
1069 | break; | |
1070 | case 0xd6: | |
1071 | opcode = 0xd8; | |
1072 | break; | |
1073 | case 0xd7: | |
1074 | opcode = 0xdd; | |
1075 | break; | |
1076 | case 0xd8: | |
1077 | opcode = 0xd6; | |
1078 | break; | |
1079 | case 0xd9: | |
1080 | opcode = 0xd5; | |
1081 | break; | |
1082 | case 0xda: | |
1083 | opcode = 0xd4; | |
1084 | break; | |
1085 | case 0xdb: | |
1086 | opcode = 0xd3; | |
1087 | break; | |
1088 | case 0xdc: | |
1089 | opcode = 0xd2; | |
1090 | break; | |
1091 | case 0xdd: | |
1092 | opcode = 0xd7; | |
1093 | break; | |
1094 | default: | |
1095 | abort (); | |
1096 | } | |
1097 | fragP->fr_literal[offset + 1] = opcode; | |
1098 | ||
1099 | /* Create a fixup for the reversed conditional branch. */ | |
1100 | sprintf (buf, ".%s_%ld", FAKE_LABEL_NAME, label_count++); | |
1101 | fix_new (fragP, fragP->fr_fix + 2, 1, | |
1102 | symbol_new (buf, sec, 0, fragP->fr_next), | |
1103 | fragP->fr_offset + 2, 1, BFD_RELOC_8_PCREL); | |
1104 | ||
1105 | /* Now create the unconditional branch + fixup to the | |
1106 | final target. */ | |
1107 | fragP->fr_literal[offset + 3] = 0xcc; | |
1108 | fix_new (fragP, fragP->fr_fix + 4, 2, fragP->fr_symbol, | |
1109 | fragP->fr_offset + 1, 1, BFD_RELOC_16_PCREL); | |
1110 | fragP->fr_var = 0; | |
1111 | fragP->fr_fix += 6; | |
1112 | } | |
1113 | else if (fragP->fr_subtype == 15) | |
1114 | { | |
1115 | /* Reverse the condition of the first branch. */ | |
1116 | int offset = fragP->fr_fix; | |
1117 | int opcode = fragP->fr_literal[offset + 1] & 0xff; | |
1118 | ||
1119 | switch (opcode) | |
1120 | { | |
1121 | case 0xd0: | |
1122 | opcode = 0xd1; | |
1123 | break; | |
1124 | case 0xd1: | |
1125 | opcode = 0xd0; | |
1126 | break; | |
1127 | case 0xd2: | |
1128 | opcode = 0xdc; | |
1129 | break; | |
1130 | case 0xd3: | |
1131 | opcode = 0xdb; | |
1132 | break; | |
1133 | case 0xd4: | |
1134 | opcode = 0xda; | |
1135 | break; | |
1136 | case 0xd5: | |
1137 | opcode = 0xd9; | |
1138 | break; | |
1139 | case 0xd6: | |
1140 | opcode = 0xd8; | |
1141 | break; | |
1142 | case 0xd7: | |
1143 | opcode = 0xdd; | |
1144 | break; | |
1145 | case 0xd8: | |
1146 | opcode = 0xd6; | |
1147 | break; | |
1148 | case 0xd9: | |
1149 | opcode = 0xd5; | |
1150 | break; | |
1151 | case 0xda: | |
1152 | opcode = 0xd4; | |
1153 | break; | |
1154 | case 0xdb: | |
1155 | opcode = 0xd3; | |
1156 | break; | |
1157 | case 0xdc: | |
1158 | opcode = 0xd2; | |
1159 | break; | |
1160 | case 0xdd: | |
1161 | opcode = 0xd7; | |
1162 | break; | |
1163 | default: | |
1164 | abort (); | |
1165 | } | |
1166 | fragP->fr_literal[offset + 1] = opcode; | |
1167 | ||
1168 | /* Create a fixup for the reversed conditional branch. */ | |
1169 | sprintf (buf, ".%s_%ld", FAKE_LABEL_NAME, label_count++); | |
1170 | fix_new (fragP, fragP->fr_fix + 2, 1, | |
1171 | symbol_new (buf, sec, 0, fragP->fr_next), | |
1172 | fragP->fr_offset + 2, 1, BFD_RELOC_8_PCREL); | |
1173 | ||
1174 | /* Now create the unconditional branch + fixup to the | |
1175 | final target. */ | |
1176 | fragP->fr_literal[offset + 3] = 0xdc; | |
1177 | fix_new (fragP, fragP->fr_fix + 4, 4, fragP->fr_symbol, | |
1178 | fragP->fr_offset + 1, 1, BFD_RELOC_32_PCREL); | |
1179 | fragP->fr_var = 0; | |
1180 | fragP->fr_fix += 8; | |
1181 | } | |
252b5132 RH |
1182 | else |
1183 | abort (); | |
1184 | } | |
1185 | ||
1186 | valueT | |
1187 | md_section_align (seg, addr) | |
1188 | asection *seg; | |
1189 | valueT addr; | |
1190 | { | |
1191 | int align = bfd_get_section_alignment (stdoutput, seg); | |
1192 | return ((addr + (1 << align) - 1) & (-1 << align)); | |
1193 | } | |
1194 | ||
1195 | void | |
1196 | md_begin () | |
1197 | { | |
1198 | char *prev_name = ""; | |
1199 | register const struct mn10300_opcode *op; | |
1200 | ||
87271fa6 | 1201 | mn10300_hash = hash_new (); |
252b5132 RH |
1202 | |
1203 | /* Insert unique names into hash table. The MN10300 instruction set | |
1204 | has many identical opcode names that have different opcodes based | |
1205 | on the operands. This hash table then provides a quick index to | |
1206 | the first opcode with a particular name in the opcode table. */ | |
1207 | ||
1208 | op = mn10300_opcodes; | |
1209 | while (op->name) | |
1210 | { | |
87271fa6 | 1211 | if (strcmp (prev_name, op->name)) |
252b5132 RH |
1212 | { |
1213 | prev_name = (char *) op->name; | |
1214 | hash_insert (mn10300_hash, op->name, (char *) op); | |
1215 | } | |
1216 | op++; | |
1217 | } | |
1218 | ||
252b5132 | 1219 | /* Set the default machine type. */ |
2ce28d43 AO |
1220 | #ifdef TE_LINUX |
1221 | if (!bfd_set_arch_mach (stdoutput, bfd_arch_mn10300, AM33_2)) | |
1222 | as_warn (_("could not set architecture and machine")); | |
1223 | ||
1224 | current_machine = AM33_2; | |
1225 | #else | |
0a727238 | 1226 | if (!bfd_set_arch_mach (stdoutput, bfd_arch_mn10300, MN103)) |
252b5132 RH |
1227 | as_warn (_("could not set architecture and machine")); |
1228 | ||
0a727238 | 1229 | current_machine = MN103; |
2ce28d43 | 1230 | #endif |
252b5132 RH |
1231 | } |
1232 | ||
bf6f0d0c AO |
1233 | static symbolS *GOT_symbol; |
1234 | ||
1235 | static inline int mn10300_check_fixup PARAMS ((struct mn10300_fixup *)); | |
1236 | static inline int mn10300_PIC_related_p PARAMS ((symbolS *)); | |
1237 | ||
1238 | static inline int | |
1239 | mn10300_PIC_related_p (sym) | |
1240 | symbolS *sym; | |
1241 | { | |
1242 | expressionS *exp; | |
1243 | ||
1244 | if (! sym) | |
1245 | return 0; | |
1246 | ||
1247 | if (sym == GOT_symbol) | |
1248 | return 1; | |
1249 | ||
1250 | exp = symbol_get_value_expression (sym); | |
1251 | ||
1252 | return (exp->X_op == O_PIC_reloc | |
1253 | || mn10300_PIC_related_p (exp->X_add_symbol) | |
1254 | || mn10300_PIC_related_p (exp->X_op_symbol)); | |
1255 | } | |
1256 | ||
1257 | static inline int | |
1258 | mn10300_check_fixup (fixup) | |
1259 | struct mn10300_fixup *fixup; | |
1260 | { | |
1261 | expressionS *exp = &fixup->exp; | |
1262 | ||
1263 | repeat: | |
1264 | switch (exp->X_op) | |
1265 | { | |
1266 | case O_add: | |
1267 | case O_subtract: /* If we're sufficiently unlucky that the label | |
1268 | and the expression that references it happen | |
1269 | to end up in different frags, the subtract | |
1270 | won't be simplified within expression(). */ | |
1271 | /* The PIC-related operand must be the first operand of a sum. */ | |
1272 | if (exp != &fixup->exp || mn10300_PIC_related_p (exp->X_op_symbol)) | |
1273 | return 1; | |
1274 | ||
1275 | if (exp->X_add_symbol && exp->X_add_symbol == GOT_symbol) | |
1276 | fixup->reloc = BFD_RELOC_32_GOT_PCREL; | |
1277 | ||
1278 | exp = symbol_get_value_expression (exp->X_add_symbol); | |
1279 | goto repeat; | |
1280 | ||
1281 | case O_symbol: | |
1282 | if (exp->X_add_symbol && exp->X_add_symbol == GOT_symbol) | |
1283 | fixup->reloc = BFD_RELOC_32_GOT_PCREL; | |
1284 | break; | |
1285 | ||
1286 | case O_PIC_reloc: | |
1287 | fixup->reloc = exp->X_md; | |
1288 | exp->X_op = O_symbol; | |
1289 | if (fixup->reloc == BFD_RELOC_32_PLT_PCREL | |
1290 | && fixup->opindex >= 0 | |
1291 | && (mn10300_operands[fixup->opindex].flags | |
1292 | & MN10300_OPERAND_RELAX)) | |
1293 | return 1; | |
1294 | break; | |
1295 | ||
1296 | default: | |
1297 | return (mn10300_PIC_related_p (exp->X_add_symbol) | |
1298 | || mn10300_PIC_related_p (exp->X_op_symbol)); | |
1299 | } | |
1300 | ||
1301 | return 0; | |
1302 | } | |
1303 | ||
1304 | void | |
1305 | mn10300_cons_fix_new (frag, off, size, exp) | |
1306 | fragS *frag; | |
1307 | int off, size; | |
1308 | expressionS *exp; | |
1309 | { | |
1310 | struct mn10300_fixup fixup; | |
1311 | ||
1312 | fixup.opindex = -1; | |
1313 | fixup.exp = *exp; | |
1314 | fixup.reloc = BFD_RELOC_UNUSED; | |
1315 | ||
1316 | mn10300_check_fixup (&fixup); | |
1317 | ||
1318 | if (fixup.reloc == BFD_RELOC_MN10300_GOT32) | |
1319 | switch (size) | |
1320 | { | |
1321 | case 2: | |
1322 | fixup.reloc = BFD_RELOC_MN10300_GOT16; | |
1323 | break; | |
1324 | ||
1325 | case 3: | |
1326 | fixup.reloc = BFD_RELOC_MN10300_GOT24; | |
1327 | break; | |
1328 | ||
1329 | case 4: | |
1330 | break; | |
1331 | ||
1332 | default: | |
1333 | goto error; | |
1334 | } | |
1335 | else if (fixup.reloc == BFD_RELOC_UNUSED) | |
1336 | switch (size) | |
1337 | { | |
1338 | case 1: | |
1339 | fixup.reloc = BFD_RELOC_8; | |
1340 | break; | |
1341 | ||
1342 | case 2: | |
1343 | fixup.reloc = BFD_RELOC_16; | |
1344 | break; | |
1345 | ||
1346 | case 3: | |
1347 | fixup.reloc = BFD_RELOC_24; | |
1348 | break; | |
1349 | ||
1350 | case 4: | |
1351 | fixup.reloc = BFD_RELOC_32; | |
1352 | break; | |
1353 | ||
1354 | default: | |
1355 | goto error; | |
1356 | } | |
1357 | else if (size != 4) | |
1358 | { | |
1359 | error: | |
1360 | as_bad (_("unsupported BFD relocation size %u"), size); | |
1361 | fixup.reloc = BFD_RELOC_UNUSED; | |
1362 | } | |
1363 | ||
1364 | fix_new_exp (frag, off, size, &fixup.exp, 0, fixup.reloc); | |
1365 | } | |
1366 | ||
252b5132 | 1367 | void |
87271fa6 | 1368 | md_assemble (str) |
252b5132 RH |
1369 | char *str; |
1370 | { | |
1371 | char *s; | |
1372 | struct mn10300_opcode *opcode; | |
1373 | struct mn10300_opcode *next_opcode; | |
1374 | const unsigned char *opindex_ptr; | |
1375 | int next_opindex, relaxable; | |
eb0dfd58 | 1376 | unsigned long insn, extension, size = 0; |
252b5132 RH |
1377 | char *f; |
1378 | int i; | |
1379 | int match; | |
1380 | ||
1381 | /* Get the opcode. */ | |
3882b010 | 1382 | for (s = str; *s != '\0' && !ISSPACE (*s); s++) |
252b5132 RH |
1383 | ; |
1384 | if (*s != '\0') | |
1385 | *s++ = '\0'; | |
1386 | ||
87271fa6 NC |
1387 | /* Find the first opcode with the proper name. */ |
1388 | opcode = (struct mn10300_opcode *) hash_find (mn10300_hash, str); | |
252b5132 RH |
1389 | if (opcode == NULL) |
1390 | { | |
1391 | as_bad (_("Unrecognized opcode: `%s'"), str); | |
1392 | return; | |
1393 | } | |
1394 | ||
1395 | str = s; | |
3882b010 | 1396 | while (ISSPACE (*str)) |
252b5132 RH |
1397 | ++str; |
1398 | ||
1399 | input_line_pointer = str; | |
1400 | ||
87271fa6 | 1401 | for (;;) |
252b5132 RH |
1402 | { |
1403 | const char *errmsg; | |
1404 | int op_idx; | |
1405 | char *hold; | |
1406 | int extra_shift = 0; | |
1407 | ||
252b5132 RH |
1408 | errmsg = _("Invalid opcode/operands"); |
1409 | ||
1410 | /* Reset the array of register operands. */ | |
1411 | memset (mn10300_reg_operands, -1, sizeof (mn10300_reg_operands)); | |
1412 | ||
1413 | relaxable = 0; | |
1414 | fc = 0; | |
1415 | match = 0; | |
1416 | next_opindex = 0; | |
1417 | insn = opcode->opcode; | |
1418 | extension = 0; | |
1419 | ||
1420 | /* If the instruction is not available on the current machine | |
1421 | then it can not possibly match. */ | |
1422 | if (opcode->machine | |
e7b71525 | 1423 | && !(opcode->machine == AM33_2 && HAVE_AM33_2) |
aa15f6f7 AO |
1424 | && !(opcode->machine == AM33 && HAVE_AM33) |
1425 | && !(opcode->machine == AM30 && HAVE_AM30)) | |
252b5132 RH |
1426 | goto error; |
1427 | ||
1428 | for (op_idx = 1, opindex_ptr = opcode->operands; | |
1429 | *opindex_ptr != 0; | |
1430 | opindex_ptr++, op_idx++) | |
1431 | { | |
1432 | const struct mn10300_operand *operand; | |
1433 | expressionS ex; | |
1434 | ||
1435 | if (next_opindex == 0) | |
1436 | { | |
1437 | operand = &mn10300_operands[*opindex_ptr]; | |
1438 | } | |
1439 | else | |
1440 | { | |
1441 | operand = &mn10300_operands[next_opindex]; | |
1442 | next_opindex = 0; | |
1443 | } | |
1444 | ||
1445 | while (*str == ' ' || *str == ',') | |
1446 | ++str; | |
1447 | ||
1448 | if (operand->flags & MN10300_OPERAND_RELAX) | |
1449 | relaxable = 1; | |
1450 | ||
87271fa6 | 1451 | /* Gather the operand. */ |
252b5132 RH |
1452 | hold = input_line_pointer; |
1453 | input_line_pointer = str; | |
1454 | ||
1455 | if (operand->flags & MN10300_OPERAND_PAREN) | |
1456 | { | |
1457 | if (*input_line_pointer != ')' && *input_line_pointer != '(') | |
1458 | { | |
1459 | input_line_pointer = hold; | |
1460 | str = hold; | |
1461 | goto error; | |
1462 | } | |
1463 | input_line_pointer++; | |
1464 | goto keep_going; | |
1465 | } | |
1466 | /* See if we can match the operands. */ | |
1467 | else if (operand->flags & MN10300_OPERAND_DREG) | |
1468 | { | |
1469 | if (!data_register_name (&ex)) | |
1470 | { | |
1471 | input_line_pointer = hold; | |
1472 | str = hold; | |
1473 | goto error; | |
1474 | } | |
1475 | } | |
1476 | else if (operand->flags & MN10300_OPERAND_AREG) | |
1477 | { | |
1478 | if (!address_register_name (&ex)) | |
1479 | { | |
1480 | input_line_pointer = hold; | |
1481 | str = hold; | |
1482 | goto error; | |
1483 | } | |
1484 | } | |
1485 | else if (operand->flags & MN10300_OPERAND_SP) | |
1486 | { | |
1487 | char *start = input_line_pointer; | |
1488 | char c = get_symbol_end (); | |
1489 | ||
1490 | if (strcasecmp (start, "sp") != 0) | |
1491 | { | |
1492 | *input_line_pointer = c; | |
1493 | input_line_pointer = hold; | |
1494 | str = hold; | |
1495 | goto error; | |
1496 | } | |
1497 | *input_line_pointer = c; | |
1498 | goto keep_going; | |
1499 | } | |
85cb2cf9 JL |
1500 | else if (operand->flags & MN10300_OPERAND_RREG) |
1501 | { | |
1502 | if (!r_register_name (&ex)) | |
1503 | { | |
1504 | input_line_pointer = hold; | |
1505 | str = hold; | |
1506 | goto error; | |
1507 | } | |
1508 | } | |
1509 | else if (operand->flags & MN10300_OPERAND_XRREG) | |
1510 | { | |
1511 | if (!xr_register_name (&ex)) | |
1512 | { | |
1513 | input_line_pointer = hold; | |
1514 | str = hold; | |
1515 | goto error; | |
1516 | } | |
1517 | } | |
e7b71525 AO |
1518 | else if (operand->flags & MN10300_OPERAND_FSREG) |
1519 | { | |
1520 | if (!float_register_name (&ex)) | |
1521 | { | |
1522 | input_line_pointer = hold; | |
1523 | str = hold; | |
1524 | goto error; | |
1525 | } | |
1526 | } | |
1527 | else if (operand->flags & MN10300_OPERAND_FDREG) | |
1528 | { | |
1529 | if (!double_register_name (&ex)) | |
1530 | { | |
1531 | input_line_pointer = hold; | |
1532 | str = hold; | |
1533 | goto error; | |
1534 | } | |
1535 | } | |
1536 | else if (operand->flags & MN10300_OPERAND_FPCR) | |
1537 | { | |
1538 | char *start = input_line_pointer; | |
1539 | char c = get_symbol_end (); | |
1540 | ||
1541 | if (strcasecmp (start, "fpcr") != 0) | |
1542 | { | |
1543 | *input_line_pointer = c; | |
1544 | input_line_pointer = hold; | |
1545 | str = hold; | |
1546 | goto error; | |
1547 | } | |
1548 | *input_line_pointer = c; | |
1549 | goto keep_going; | |
1550 | } | |
85cb2cf9 JL |
1551 | else if (operand->flags & MN10300_OPERAND_USP) |
1552 | { | |
1553 | char *start = input_line_pointer; | |
1554 | char c = get_symbol_end (); | |
1555 | ||
1556 | if (strcasecmp (start, "usp") != 0) | |
1557 | { | |
1558 | *input_line_pointer = c; | |
1559 | input_line_pointer = hold; | |
1560 | str = hold; | |
1561 | goto error; | |
1562 | } | |
1563 | *input_line_pointer = c; | |
1564 | goto keep_going; | |
1565 | } | |
1566 | else if (operand->flags & MN10300_OPERAND_SSP) | |
1567 | { | |
1568 | char *start = input_line_pointer; | |
1569 | char c = get_symbol_end (); | |
1570 | ||
1571 | if (strcasecmp (start, "ssp") != 0) | |
1572 | { | |
1573 | *input_line_pointer = c; | |
1574 | input_line_pointer = hold; | |
1575 | str = hold; | |
1576 | goto error; | |
1577 | } | |
1578 | *input_line_pointer = c; | |
1579 | goto keep_going; | |
1580 | } | |
1581 | else if (operand->flags & MN10300_OPERAND_MSP) | |
1582 | { | |
1583 | char *start = input_line_pointer; | |
1584 | char c = get_symbol_end (); | |
1585 | ||
1586 | if (strcasecmp (start, "msp") != 0) | |
1587 | { | |
1588 | *input_line_pointer = c; | |
1589 | input_line_pointer = hold; | |
1590 | str = hold; | |
1591 | goto error; | |
1592 | } | |
1593 | *input_line_pointer = c; | |
1594 | goto keep_going; | |
1595 | } | |
1596 | else if (operand->flags & MN10300_OPERAND_PC) | |
1597 | { | |
1598 | char *start = input_line_pointer; | |
1599 | char c = get_symbol_end (); | |
1600 | ||
1601 | if (strcasecmp (start, "pc") != 0) | |
1602 | { | |
1603 | *input_line_pointer = c; | |
1604 | input_line_pointer = hold; | |
1605 | str = hold; | |
1606 | goto error; | |
1607 | } | |
1608 | *input_line_pointer = c; | |
1609 | goto keep_going; | |
1610 | } | |
1611 | else if (operand->flags & MN10300_OPERAND_EPSW) | |
1612 | { | |
1613 | char *start = input_line_pointer; | |
1614 | char c = get_symbol_end (); | |
1615 | ||
1616 | if (strcasecmp (start, "epsw") != 0) | |
1617 | { | |
1618 | *input_line_pointer = c; | |
1619 | input_line_pointer = hold; | |
1620 | str = hold; | |
1621 | goto error; | |
1622 | } | |
1623 | *input_line_pointer = c; | |
1624 | goto keep_going; | |
1625 | } | |
1626 | else if (operand->flags & MN10300_OPERAND_PLUS) | |
1627 | { | |
1628 | if (*input_line_pointer != '+') | |
1629 | { | |
1630 | input_line_pointer = hold; | |
1631 | str = hold; | |
1632 | goto error; | |
1633 | } | |
1634 | input_line_pointer++; | |
1635 | goto keep_going; | |
1636 | } | |
252b5132 RH |
1637 | else if (operand->flags & MN10300_OPERAND_PSW) |
1638 | { | |
1639 | char *start = input_line_pointer; | |
1640 | char c = get_symbol_end (); | |
1641 | ||
1642 | if (strcasecmp (start, "psw") != 0) | |
1643 | { | |
1644 | *input_line_pointer = c; | |
1645 | input_line_pointer = hold; | |
1646 | str = hold; | |
1647 | goto error; | |
1648 | } | |
1649 | *input_line_pointer = c; | |
1650 | goto keep_going; | |
1651 | } | |
1652 | else if (operand->flags & MN10300_OPERAND_MDR) | |
1653 | { | |
1654 | char *start = input_line_pointer; | |
1655 | char c = get_symbol_end (); | |
1656 | ||
1657 | if (strcasecmp (start, "mdr") != 0) | |
1658 | { | |
1659 | *input_line_pointer = c; | |
1660 | input_line_pointer = hold; | |
1661 | str = hold; | |
1662 | goto error; | |
1663 | } | |
1664 | *input_line_pointer = c; | |
1665 | goto keep_going; | |
1666 | } | |
1667 | else if (operand->flags & MN10300_OPERAND_REG_LIST) | |
1668 | { | |
1669 | unsigned int value = 0; | |
1670 | if (*input_line_pointer != '[') | |
1671 | { | |
1672 | input_line_pointer = hold; | |
1673 | str = hold; | |
1674 | goto error; | |
1675 | } | |
1676 | ||
1677 | /* Eat the '['. */ | |
1678 | input_line_pointer++; | |
87271fa6 | 1679 | |
252b5132 | 1680 | /* We used to reject a null register list here; however, |
87271fa6 NC |
1681 | we accept it now so the compiler can emit "call" |
1682 | instructions for all calls to named functions. | |
252b5132 RH |
1683 | |
1684 | The linker can then fill in the appropriate bits for the | |
1685 | register list and stack size or change the instruction | |
1686 | into a "calls" if using "call" is not profitable. */ | |
1687 | while (*input_line_pointer != ']') | |
1688 | { | |
1689 | char *start; | |
1690 | char c; | |
1691 | ||
1692 | if (*input_line_pointer == ',') | |
1693 | input_line_pointer++; | |
1694 | ||
1695 | start = input_line_pointer; | |
1696 | c = get_symbol_end (); | |
1697 | ||
1698 | if (strcasecmp (start, "d2") == 0) | |
1699 | { | |
1700 | value |= 0x80; | |
1701 | *input_line_pointer = c; | |
1702 | } | |
1703 | else if (strcasecmp (start, "d3") == 0) | |
1704 | { | |
1705 | value |= 0x40; | |
1706 | *input_line_pointer = c; | |
1707 | } | |
1708 | else if (strcasecmp (start, "a2") == 0) | |
1709 | { | |
1710 | value |= 0x20; | |
1711 | *input_line_pointer = c; | |
1712 | } | |
1713 | else if (strcasecmp (start, "a3") == 0) | |
1714 | { | |
1715 | value |= 0x10; | |
1716 | *input_line_pointer = c; | |
1717 | } | |
1718 | else if (strcasecmp (start, "other") == 0) | |
1719 | { | |
1720 | value |= 0x08; | |
1721 | *input_line_pointer = c; | |
1722 | } | |
0a727238 | 1723 | else if (HAVE_AM33 |
85cb2cf9 JL |
1724 | && strcasecmp (start, "exreg0") == 0) |
1725 | { | |
1726 | value |= 0x04; | |
1727 | *input_line_pointer = c; | |
1728 | } | |
0a727238 | 1729 | else if (HAVE_AM33 |
85cb2cf9 JL |
1730 | && strcasecmp (start, "exreg1") == 0) |
1731 | { | |
1732 | value |= 0x02; | |
1733 | *input_line_pointer = c; | |
1734 | } | |
0a727238 | 1735 | else if (HAVE_AM33 |
85cb2cf9 JL |
1736 | && strcasecmp (start, "exother") == 0) |
1737 | { | |
1738 | value |= 0x01; | |
1739 | *input_line_pointer = c; | |
1740 | } | |
0a727238 | 1741 | else if (HAVE_AM33 |
85cb2cf9 JL |
1742 | && strcasecmp (start, "all") == 0) |
1743 | { | |
1744 | value |= 0xff; | |
1745 | *input_line_pointer = c; | |
1746 | } | |
252b5132 RH |
1747 | else |
1748 | { | |
1749 | input_line_pointer = hold; | |
1750 | str = hold; | |
1751 | goto error; | |
1752 | } | |
1753 | } | |
1754 | input_line_pointer++; | |
1755 | mn10300_insert_operand (&insn, &extension, operand, | |
1756 | value, (char *) NULL, 0, 0); | |
1757 | goto keep_going; | |
1758 | ||
1759 | } | |
1760 | else if (data_register_name (&ex)) | |
1761 | { | |
1762 | input_line_pointer = hold; | |
1763 | str = hold; | |
1764 | goto error; | |
1765 | } | |
1766 | else if (address_register_name (&ex)) | |
1767 | { | |
1768 | input_line_pointer = hold; | |
1769 | str = hold; | |
1770 | goto error; | |
1771 | } | |
1772 | else if (other_register_name (&ex)) | |
1773 | { | |
1774 | input_line_pointer = hold; | |
1775 | str = hold; | |
1776 | goto error; | |
1777 | } | |
0a727238 | 1778 | else if (HAVE_AM33 && r_register_name (&ex)) |
85cb2cf9 JL |
1779 | { |
1780 | input_line_pointer = hold; | |
1781 | str = hold; | |
1782 | goto error; | |
1783 | } | |
0a727238 | 1784 | else if (HAVE_AM33 && xr_register_name (&ex)) |
85cb2cf9 JL |
1785 | { |
1786 | input_line_pointer = hold; | |
1787 | str = hold; | |
1788 | goto error; | |
1789 | } | |
e7b71525 AO |
1790 | else if (HAVE_AM33_2 && float_register_name (&ex)) |
1791 | { | |
1792 | input_line_pointer = hold; | |
1793 | str = hold; | |
1794 | goto error; | |
1795 | } | |
1796 | else if (HAVE_AM33_2 && double_register_name (&ex)) | |
1797 | { | |
1798 | input_line_pointer = hold; | |
1799 | str = hold; | |
1800 | goto error; | |
1801 | } | |
252b5132 RH |
1802 | else if (*str == ')' || *str == '(') |
1803 | { | |
1804 | input_line_pointer = hold; | |
1805 | str = hold; | |
1806 | goto error; | |
1807 | } | |
1808 | else | |
1809 | { | |
1810 | expression (&ex); | |
1811 | } | |
1812 | ||
87271fa6 | 1813 | switch (ex.X_op) |
252b5132 RH |
1814 | { |
1815 | case O_illegal: | |
1816 | errmsg = _("illegal operand"); | |
1817 | goto error; | |
1818 | case O_absent: | |
1819 | errmsg = _("missing operand"); | |
1820 | goto error; | |
1821 | case O_register: | |
1822 | { | |
1823 | int mask; | |
1824 | ||
1825 | mask = MN10300_OPERAND_DREG | MN10300_OPERAND_AREG; | |
0a727238 AO |
1826 | if (HAVE_AM33) |
1827 | mask |= MN10300_OPERAND_RREG | MN10300_OPERAND_XRREG; | |
e7b71525 AO |
1828 | if (HAVE_AM33_2) |
1829 | mask |= MN10300_OPERAND_FSREG | MN10300_OPERAND_FDREG; | |
252b5132 RH |
1830 | if ((operand->flags & mask) == 0) |
1831 | { | |
1832 | input_line_pointer = hold; | |
1833 | str = hold; | |
1834 | goto error; | |
1835 | } | |
87271fa6 | 1836 | |
252b5132 RH |
1837 | if (opcode->format == FMT_D1 || opcode->format == FMT_S1) |
1838 | extra_shift = 8; | |
1839 | else if (opcode->format == FMT_D2 | |
1840 | || opcode->format == FMT_D4 | |
1841 | || opcode->format == FMT_S2 | |
1842 | || opcode->format == FMT_S4 | |
1843 | || opcode->format == FMT_S6 | |
1844 | || opcode->format == FMT_D5) | |
1845 | extra_shift = 16; | |
85cb2cf9 JL |
1846 | else if (opcode->format == FMT_D7) |
1847 | extra_shift = 8; | |
1848 | else if (opcode->format == FMT_D8 || opcode->format == FMT_D9) | |
1849 | extra_shift = 8; | |
252b5132 RH |
1850 | else |
1851 | extra_shift = 0; | |
87271fa6 | 1852 | |
252b5132 RH |
1853 | mn10300_insert_operand (&insn, &extension, operand, |
1854 | ex.X_add_number, (char *) NULL, | |
1855 | 0, extra_shift); | |
1856 | ||
252b5132 RH |
1857 | /* And note the register number in the register array. */ |
1858 | mn10300_reg_operands[op_idx - 1] = ex.X_add_number; | |
1859 | break; | |
1860 | } | |
1861 | ||
1862 | case O_constant: | |
1863 | /* If this operand can be promoted, and it doesn't | |
1864 | fit into the allocated bitfield for this insn, | |
1865 | then promote it (ie this opcode does not match). */ | |
1866 | if (operand->flags | |
1867 | & (MN10300_OPERAND_PROMOTE | MN10300_OPERAND_RELAX) | |
87271fa6 | 1868 | && !check_operand (insn, operand, ex.X_add_number)) |
252b5132 RH |
1869 | { |
1870 | input_line_pointer = hold; | |
1871 | str = hold; | |
1872 | goto error; | |
1873 | } | |
1874 | ||
1875 | mn10300_insert_operand (&insn, &extension, operand, | |
1876 | ex.X_add_number, (char *) NULL, | |
1877 | 0, 0); | |
1878 | break; | |
1879 | ||
1880 | default: | |
1881 | /* If this operand can be promoted, then this opcode didn't | |
1882 | match since we can't know if it needed promotion! */ | |
1883 | if (operand->flags & MN10300_OPERAND_PROMOTE) | |
1884 | { | |
1885 | input_line_pointer = hold; | |
1886 | str = hold; | |
1887 | goto error; | |
1888 | } | |
1889 | ||
1890 | /* We need to generate a fixup for this expression. */ | |
1891 | if (fc >= MAX_INSN_FIXUPS) | |
1892 | as_fatal (_("too many fixups")); | |
1893 | fixups[fc].exp = ex; | |
1894 | fixups[fc].opindex = *opindex_ptr; | |
1895 | fixups[fc].reloc = BFD_RELOC_UNUSED; | |
bf6f0d0c AO |
1896 | if (mn10300_check_fixup (& fixups[fc])) |
1897 | goto error; | |
252b5132 RH |
1898 | ++fc; |
1899 | break; | |
1900 | } | |
1901 | ||
1902 | keep_going: | |
1903 | str = input_line_pointer; | |
1904 | input_line_pointer = hold; | |
1905 | ||
1906 | while (*str == ' ' || *str == ',') | |
1907 | ++str; | |
1908 | ||
1909 | } | |
1910 | ||
1911 | /* Make sure we used all the operands! */ | |
1912 | if (*str != ',') | |
1913 | match = 1; | |
1914 | ||
1915 | /* If this instruction has registers that must not match, verify | |
1916 | that they do indeed not match. */ | |
1917 | if (opcode->no_match_operands) | |
1918 | { | |
1919 | int i; | |
1920 | ||
1921 | /* Look at each operand to see if it's marked. */ | |
1922 | for (i = 0; i < MN10300_MAX_OPERANDS; i++) | |
1923 | { | |
1924 | if ((1 << i) & opcode->no_match_operands) | |
1925 | { | |
1926 | int j; | |
1927 | ||
1928 | /* operand I is marked. Check that it does not match any | |
1929 | operands > I which are marked. */ | |
1930 | for (j = i + 1; j < MN10300_MAX_OPERANDS; j++) | |
1931 | { | |
1932 | if (((1 << j) & opcode->no_match_operands) | |
1933 | && mn10300_reg_operands[i] == mn10300_reg_operands[j]) | |
1934 | { | |
1935 | errmsg = _("Invalid register specification."); | |
1936 | match = 0; | |
1937 | goto error; | |
1938 | } | |
1939 | } | |
1940 | } | |
1941 | } | |
1942 | } | |
1943 | ||
1944 | error: | |
1945 | if (match == 0) | |
87271fa6 | 1946 | { |
252b5132 | 1947 | next_opcode = opcode + 1; |
87271fa6 | 1948 | if (!strcmp (next_opcode->name, opcode->name)) |
252b5132 RH |
1949 | { |
1950 | opcode = next_opcode; | |
1951 | continue; | |
1952 | } | |
87271fa6 | 1953 | |
252b5132 RH |
1954 | as_bad ("%s", errmsg); |
1955 | return; | |
87271fa6 | 1956 | } |
252b5132 RH |
1957 | break; |
1958 | } | |
87271fa6 | 1959 | |
3882b010 | 1960 | while (ISSPACE (*str)) |
252b5132 RH |
1961 | ++str; |
1962 | ||
1963 | if (*str != '\0') | |
1964 | as_bad (_("junk at end of line: `%s'"), str); | |
1965 | ||
1966 | input_line_pointer = str; | |
1967 | ||
1968 | /* Determine the size of the instruction. */ | |
1969 | if (opcode->format == FMT_S0) | |
1970 | size = 1; | |
1971 | ||
1972 | if (opcode->format == FMT_S1 || opcode->format == FMT_D0) | |
1973 | size = 2; | |
1974 | ||
1975 | if (opcode->format == FMT_S2 || opcode->format == FMT_D1) | |
1976 | size = 3; | |
1977 | ||
85cb2cf9 JL |
1978 | if (opcode->format == FMT_D6) |
1979 | size = 3; | |
1980 | ||
1981 | if (opcode->format == FMT_D7 || opcode->format == FMT_D10) | |
1982 | size = 4; | |
1983 | ||
1984 | if (opcode->format == FMT_D8) | |
1985 | size = 6; | |
1986 | ||
1987 | if (opcode->format == FMT_D9) | |
1988 | size = 7; | |
252b5132 RH |
1989 | |
1990 | if (opcode->format == FMT_S4) | |
1991 | size = 5; | |
1992 | ||
1993 | if (opcode->format == FMT_S6 || opcode->format == FMT_D5) | |
1994 | size = 7; | |
1995 | ||
1996 | if (opcode->format == FMT_D2) | |
1997 | size = 4; | |
1998 | ||
e7b71525 AO |
1999 | if (opcode->format == FMT_D3) |
2000 | size = 5; | |
2001 | ||
252b5132 RH |
2002 | if (opcode->format == FMT_D4) |
2003 | size = 6; | |
2004 | ||
2005 | if (relaxable && fc > 0) | |
2006 | { | |
8ad7c533 NC |
2007 | /* On a 64-bit host the size of an 'int' is not the same |
2008 | as the size of a pointer, so we need a union to convert | |
2009 | the opindex field of the fr_cgen structure into a char * | |
2010 | so that it can be stored in the frag. We do not have | |
2011 | to worry about loosing accuracy as we are not going to | |
2012 | be even close to the 32bit limit of the int. */ | |
2013 | union | |
2014 | { | |
2015 | int opindex; | |
2016 | char * ptr; | |
2017 | } | |
2018 | opindex_converter; | |
252b5132 RH |
2019 | int type; |
2020 | ||
076dc439 AO |
2021 | /* We want to anchor the line info to the previous frag (if |
2022 | there isn't one, create it), so that, when the insn is | |
2023 | resized, we still get the right address for the beginning of | |
2024 | the region. */ | |
2025 | f = frag_more (0); | |
2026 | dwarf2_emit_insn (0); | |
2027 | ||
87271fa6 | 2028 | /* bCC */ |
252b5132 RH |
2029 | if (size == 2) |
2030 | { | |
2031 | /* Handle bra specially. Basically treat it like jmp so | |
2032 | that we automatically handle 8, 16 and 32 bit offsets | |
2033 | correctly as well as jumps to an undefined address. | |
2034 | ||
2035 | It is also important to not treat it like other bCC | |
2036 | instructions since the long forms of bra is different | |
2037 | from other bCC instructions. */ | |
2038 | if (opcode->opcode == 0xca00) | |
2039 | type = 10; | |
2040 | else | |
2041 | type = 0; | |
2042 | } | |
87271fa6 | 2043 | /* call */ |
252b5132 | 2044 | else if (size == 5) |
87271fa6 NC |
2045 | type = 6; |
2046 | /* calls */ | |
252b5132 RH |
2047 | else if (size == 4) |
2048 | type = 8; | |
87271fa6 | 2049 | /* jmp */ |
252b5132 RH |
2050 | else if (size == 3 && opcode->opcode == 0xcc0000) |
2051 | type = 10; | |
e7b71525 AO |
2052 | else if (size == 3 && (opcode->opcode & 0xfff000) == 0xf8d000) |
2053 | type = 13; | |
87271fa6 | 2054 | /* bCC (uncommon cases) */ |
252b5132 RH |
2055 | else |
2056 | type = 3; | |
2057 | ||
8ad7c533 | 2058 | opindex_converter.opindex = fixups[0].opindex; |
252b5132 RH |
2059 | f = frag_var (rs_machine_dependent, 8, 8 - size, type, |
2060 | fixups[0].exp.X_add_symbol, | |
2061 | fixups[0].exp.X_add_number, | |
8ad7c533 | 2062 | opindex_converter.ptr); |
87271fa6 | 2063 | |
252b5132 RH |
2064 | /* This is pretty hokey. We basically just care about the |
2065 | opcode, so we have to write out the first word big endian. | |
2066 | ||
2067 | The exception is "call", which has two operands that we | |
2068 | care about. | |
2069 | ||
2070 | The first operand (the register list) happens to be in the | |
2071 | first instruction word, and will be in the right place if | |
2072 | we output the first word in big endian mode. | |
2073 | ||
2074 | The second operand (stack size) is in the extension word, | |
2075 | and we want it to appear as the first character in the extension | |
2076 | word (as it appears in memory). Luckily, writing the extension | |
2077 | word in big endian format will do what we want. */ | |
2078 | number_to_chars_bigendian (f, insn, size > 4 ? 4 : size); | |
2079 | if (size > 8) | |
2080 | { | |
2081 | number_to_chars_bigendian (f + 4, extension, 4); | |
2082 | number_to_chars_bigendian (f + 8, 0, size - 8); | |
2083 | } | |
2084 | else if (size > 4) | |
2085 | number_to_chars_bigendian (f + 4, extension, size - 4); | |
2086 | } | |
2087 | else | |
2088 | { | |
2089 | /* Allocate space for the instruction. */ | |
2090 | f = frag_more (size); | |
2091 | ||
2092 | /* Fill in bytes for the instruction. Note that opcode fields | |
2093 | are written big-endian, 16 & 32bit immediates are written | |
2094 | little endian. Egad. */ | |
2095 | if (opcode->format == FMT_S0 | |
2096 | || opcode->format == FMT_S1 | |
2097 | || opcode->format == FMT_D0 | |
85cb2cf9 JL |
2098 | || opcode->format == FMT_D6 |
2099 | || opcode->format == FMT_D7 | |
2100 | || opcode->format == FMT_D10 | |
252b5132 RH |
2101 | || opcode->format == FMT_D1) |
2102 | { | |
2103 | number_to_chars_bigendian (f, insn, size); | |
2104 | } | |
2105 | else if (opcode->format == FMT_S2 | |
2106 | && opcode->opcode != 0xdf0000 | |
2107 | && opcode->opcode != 0xde0000) | |
2108 | { | |
2109 | /* A format S2 instruction that is _not_ "ret" and "retf". */ | |
2110 | number_to_chars_bigendian (f, (insn >> 16) & 0xff, 1); | |
2111 | number_to_chars_littleendian (f + 1, insn & 0xffff, 2); | |
2112 | } | |
2113 | else if (opcode->format == FMT_S2) | |
2114 | { | |
2115 | /* This must be a ret or retf, which is written entirely in | |
2116 | big-endian format. */ | |
2117 | number_to_chars_bigendian (f, insn, 3); | |
2118 | } | |
2119 | else if (opcode->format == FMT_S4 | |
2120 | && opcode->opcode != 0xdc000000) | |
2121 | { | |
2122 | /* This must be a format S4 "call" instruction. What a pain. */ | |
2123 | unsigned long temp = (insn >> 8) & 0xffff; | |
2124 | number_to_chars_bigendian (f, (insn >> 24) & 0xff, 1); | |
2125 | number_to_chars_littleendian (f + 1, temp, 2); | |
2126 | number_to_chars_bigendian (f + 3, insn & 0xff, 1); | |
2127 | number_to_chars_bigendian (f + 4, extension & 0xff, 1); | |
2128 | } | |
2129 | else if (opcode->format == FMT_S4) | |
2130 | { | |
2131 | /* This must be a format S4 "jmp" instruction. */ | |
2132 | unsigned long temp = ((insn & 0xffffff) << 8) | (extension & 0xff); | |
2133 | number_to_chars_bigendian (f, (insn >> 24) & 0xff, 1); | |
2134 | number_to_chars_littleendian (f + 1, temp, 4); | |
2135 | } | |
2136 | else if (opcode->format == FMT_S6) | |
2137 | { | |
2138 | unsigned long temp = ((insn & 0xffffff) << 8) | |
2139 | | ((extension >> 16) & 0xff); | |
2140 | number_to_chars_bigendian (f, (insn >> 24) & 0xff, 1); | |
2141 | number_to_chars_littleendian (f + 1, temp, 4); | |
2142 | number_to_chars_bigendian (f + 5, (extension >> 8) & 0xff, 1); | |
2143 | number_to_chars_bigendian (f + 6, extension & 0xff, 1); | |
2144 | } | |
2145 | else if (opcode->format == FMT_D2 | |
2146 | && opcode->opcode != 0xfaf80000 | |
2147 | && opcode->opcode != 0xfaf00000 | |
2148 | && opcode->opcode != 0xfaf40000) | |
2149 | { | |
2150 | /* A format D2 instruction where the 16bit immediate is | |
2151 | really a single 16bit value, not two 8bit values. */ | |
2152 | number_to_chars_bigendian (f, (insn >> 16) & 0xffff, 2); | |
2153 | number_to_chars_littleendian (f + 2, insn & 0xffff, 2); | |
2154 | } | |
2155 | else if (opcode->format == FMT_D2) | |
2156 | { | |
2157 | /* A format D2 instruction where the 16bit immediate | |
2158 | is really two 8bit immediates. */ | |
2159 | number_to_chars_bigendian (f, insn, 4); | |
2160 | } | |
e7b71525 AO |
2161 | else if (opcode->format == FMT_D3) |
2162 | { | |
2163 | number_to_chars_bigendian (f, (insn >> 16) & 0xffff, 2); | |
2164 | number_to_chars_littleendian (f + 2, insn & 0xffff, 2); | |
2165 | number_to_chars_bigendian (f + 4, extension & 0xff, 1); | |
2166 | } | |
252b5132 RH |
2167 | else if (opcode->format == FMT_D4) |
2168 | { | |
2169 | unsigned long temp = ((insn & 0xffff) << 16) | (extension & 0xffff); | |
87271fa6 | 2170 | |
252b5132 RH |
2171 | number_to_chars_bigendian (f, (insn >> 16) & 0xffff, 2); |
2172 | number_to_chars_littleendian (f + 2, temp, 4); | |
2173 | } | |
2174 | else if (opcode->format == FMT_D5) | |
2175 | { | |
87271fa6 NC |
2176 | unsigned long temp = (((insn & 0xffff) << 16) |
2177 | | ((extension >> 8) & 0xffff)); | |
2178 | ||
252b5132 RH |
2179 | number_to_chars_bigendian (f, (insn >> 16) & 0xffff, 2); |
2180 | number_to_chars_littleendian (f + 2, temp, 4); | |
2181 | number_to_chars_bigendian (f + 6, extension & 0xff, 1); | |
2182 | } | |
85cb2cf9 JL |
2183 | else if (opcode->format == FMT_D8) |
2184 | { | |
87271fa6 NC |
2185 | unsigned long temp = ((insn & 0xff) << 16) | (extension & 0xffff); |
2186 | ||
2187 | number_to_chars_bigendian (f, (insn >> 8) & 0xffffff, 3); | |
2188 | number_to_chars_bigendian (f + 3, (temp & 0xff), 1); | |
2189 | number_to_chars_littleendian (f + 4, temp >> 8, 2); | |
85cb2cf9 JL |
2190 | } |
2191 | else if (opcode->format == FMT_D9) | |
2192 | { | |
87271fa6 NC |
2193 | unsigned long temp = ((insn & 0xff) << 24) | (extension & 0xffffff); |
2194 | ||
2195 | number_to_chars_bigendian (f, (insn >> 8) & 0xffffff, 3); | |
2196 | number_to_chars_littleendian (f + 3, temp, 4); | |
85cb2cf9 | 2197 | } |
252b5132 RH |
2198 | |
2199 | /* Create any fixups. */ | |
2200 | for (i = 0; i < fc; i++) | |
2201 | { | |
2202 | const struct mn10300_operand *operand; | |
2203 | ||
2204 | operand = &mn10300_operands[fixups[i].opindex]; | |
bf6f0d0c AO |
2205 | if (fixups[i].reloc != BFD_RELOC_UNUSED |
2206 | && fixups[i].reloc != BFD_RELOC_32_GOT_PCREL | |
2207 | && fixups[i].reloc != BFD_RELOC_32_GOTOFF | |
2208 | && fixups[i].reloc != BFD_RELOC_32_PLT_PCREL | |
2209 | && fixups[i].reloc != BFD_RELOC_MN10300_GOT32) | |
252b5132 RH |
2210 | { |
2211 | reloc_howto_type *reloc_howto; | |
2212 | int size; | |
2213 | int offset; | |
2214 | fixS *fixP; | |
2215 | ||
87271fa6 NC |
2216 | reloc_howto = bfd_reloc_type_lookup (stdoutput, |
2217 | fixups[i].reloc); | |
252b5132 RH |
2218 | |
2219 | if (!reloc_howto) | |
87271fa6 NC |
2220 | abort (); |
2221 | ||
252b5132 RH |
2222 | size = bfd_get_reloc_size (reloc_howto); |
2223 | ||
2224 | if (size < 1 || size > 4) | |
87271fa6 | 2225 | abort (); |
252b5132 RH |
2226 | |
2227 | offset = 4 - size; | |
2228 | fixP = fix_new_exp (frag_now, f - frag_now->fr_literal + offset, | |
2229 | size, &fixups[i].exp, | |
2230 | reloc_howto->pc_relative, | |
2231 | fixups[i].reloc); | |
2232 | } | |
2233 | else | |
2234 | { | |
2235 | int reloc, pcrel, reloc_size, offset; | |
2236 | fixS *fixP; | |
2237 | ||
2238 | reloc = BFD_RELOC_NONE; | |
bf6f0d0c AO |
2239 | if (fixups[i].reloc != BFD_RELOC_UNUSED) |
2240 | reloc = fixups[i].reloc; | |
252b5132 RH |
2241 | /* How big is the reloc? Remember SPLIT relocs are |
2242 | implicitly 32bits. */ | |
2243 | if ((operand->flags & MN10300_OPERAND_SPLIT) != 0) | |
2244 | reloc_size = 32; | |
85cb2cf9 JL |
2245 | else if ((operand->flags & MN10300_OPERAND_24BIT) != 0) |
2246 | reloc_size = 24; | |
252b5132 RH |
2247 | else |
2248 | reloc_size = operand->bits; | |
2249 | ||
2250 | /* Is the reloc pc-relative? */ | |
2251 | pcrel = (operand->flags & MN10300_OPERAND_PCREL) != 0; | |
bf6f0d0c AO |
2252 | if (reloc != BFD_RELOC_NONE) |
2253 | pcrel = bfd_reloc_type_lookup (stdoutput, reloc)->pc_relative; | |
252b5132 | 2254 | |
a7c92dae | 2255 | offset = size - (reloc_size + operand->shift) / 8; |
eb0dfd58 | 2256 | |
252b5132 | 2257 | /* Choose a proper BFD relocation type. */ |
bf6f0d0c AO |
2258 | if (reloc != BFD_RELOC_NONE) |
2259 | ; | |
2260 | else if (pcrel) | |
252b5132 RH |
2261 | { |
2262 | if (reloc_size == 32) | |
2263 | reloc = BFD_RELOC_32_PCREL; | |
2264 | else if (reloc_size == 16) | |
2265 | reloc = BFD_RELOC_16_PCREL; | |
2266 | else if (reloc_size == 8) | |
2267 | reloc = BFD_RELOC_8_PCREL; | |
2268 | else | |
2269 | abort (); | |
2270 | } | |
2271 | else | |
2272 | { | |
2273 | if (reloc_size == 32) | |
2274 | reloc = BFD_RELOC_32; | |
2275 | else if (reloc_size == 16) | |
2276 | reloc = BFD_RELOC_16; | |
2277 | else if (reloc_size == 8) | |
2278 | reloc = BFD_RELOC_8; | |
2279 | else | |
2280 | abort (); | |
2281 | } | |
2282 | ||
252b5132 | 2283 | fixP = fix_new_exp (frag_now, f - frag_now->fr_literal + offset, |
acb02403 | 2284 | reloc_size / 8, &fixups[i].exp, pcrel, |
252b5132 RH |
2285 | ((bfd_reloc_code_real_type) reloc)); |
2286 | ||
2287 | if (pcrel) | |
2288 | fixP->fx_offset += offset; | |
2289 | } | |
2290 | } | |
e8b1cae5 | 2291 | |
076dc439 AO |
2292 | dwarf2_emit_insn (size); |
2293 | } | |
252b5132 RH |
2294 | } |
2295 | ||
87271fa6 NC |
2296 | /* If while processing a fixup, a reloc really needs to be created |
2297 | then it is done here. */ | |
252b5132 | 2298 | |
252b5132 RH |
2299 | arelent * |
2300 | tc_gen_reloc (seg, fixp) | |
b4c1ea07 | 2301 | asection *seg ATTRIBUTE_UNUSED; |
252b5132 RH |
2302 | fixS *fixp; |
2303 | { | |
2304 | arelent *reloc; | |
2305 | reloc = (arelent *) xmalloc (sizeof (arelent)); | |
2306 | ||
2307 | reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type); | |
2308 | if (reloc->howto == (reloc_howto_type *) NULL) | |
2309 | { | |
2310 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
87271fa6 NC |
2311 | _("reloc %d not supported by object file format"), |
2312 | (int) fixp->fx_r_type); | |
252b5132 RH |
2313 | return NULL; |
2314 | } | |
2315 | reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; | |
2316 | ||
bf6f0d0c AO |
2317 | if (fixp->fx_subsy |
2318 | && S_GET_SEGMENT (fixp->fx_subsy) == absolute_section) | |
2319 | { | |
2320 | fixp->fx_offset -= S_GET_VALUE (fixp->fx_subsy); | |
2321 | fixp->fx_subsy = 0; | |
2322 | } | |
2323 | ||
252b5132 RH |
2324 | if (fixp->fx_addsy && fixp->fx_subsy) |
2325 | { | |
7dc8f5ce AO |
2326 | reloc->sym_ptr_ptr = NULL; |
2327 | ||
4e75439a AO |
2328 | /* If we got a difference between two symbols, and the |
2329 | subtracted symbol is in the current section, use a | |
2330 | PC-relative relocation. If both symbols are in the same | |
2331 | section, the difference would have already been simplified | |
2332 | to a constant. */ | |
2333 | if (S_GET_SEGMENT (fixp->fx_subsy) == seg) | |
2334 | { | |
2335 | reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); | |
2336 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); | |
2337 | reloc->addend = (reloc->address - S_GET_VALUE (fixp->fx_subsy) | |
2338 | + fixp->fx_offset); | |
2339 | ||
2340 | switch (fixp->fx_r_type) | |
2341 | { | |
2342 | case BFD_RELOC_8: | |
2343 | reloc->howto = bfd_reloc_type_lookup (stdoutput, | |
2344 | BFD_RELOC_8_PCREL); | |
2345 | return reloc; | |
5d6255fe | 2346 | |
4e75439a AO |
2347 | case BFD_RELOC_16: |
2348 | reloc->howto = bfd_reloc_type_lookup (stdoutput, | |
2349 | BFD_RELOC_16_PCREL); | |
2350 | return reloc; | |
2351 | ||
2352 | case BFD_RELOC_24: | |
2353 | reloc->howto = bfd_reloc_type_lookup (stdoutput, | |
2354 | BFD_RELOC_24_PCREL); | |
2355 | return reloc; | |
2356 | ||
2357 | case BFD_RELOC_32: | |
2358 | reloc->howto = bfd_reloc_type_lookup (stdoutput, | |
2359 | BFD_RELOC_32_PCREL); | |
2360 | return reloc; | |
2361 | ||
2362 | default: | |
2363 | /* Try to compute the absolute value below. */ | |
2364 | break; | |
2365 | } | |
2366 | } | |
87271fa6 | 2367 | |
252b5132 RH |
2368 | if ((S_GET_SEGMENT (fixp->fx_addsy) != S_GET_SEGMENT (fixp->fx_subsy)) |
2369 | || S_GET_SEGMENT (fixp->fx_addsy) == undefined_section) | |
2370 | { | |
2371 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
2372 | "Difference of symbols in different sections is not supported"); | |
252b5132 | 2373 | } |
6e22e505 AO |
2374 | else |
2375 | { | |
2376 | char *fixpos = fixp->fx_where + fixp->fx_frag->fr_literal; | |
2377 | ||
2378 | reloc->addend = (S_GET_VALUE (fixp->fx_addsy) | |
2379 | - S_GET_VALUE (fixp->fx_subsy) + fixp->fx_offset); | |
2380 | ||
2381 | switch (fixp->fx_r_type) | |
2382 | { | |
2383 | case BFD_RELOC_8: | |
2384 | md_number_to_chars (fixpos, reloc->addend, 1); | |
2385 | break; | |
5d6255fe | 2386 | |
6e22e505 AO |
2387 | case BFD_RELOC_16: |
2388 | md_number_to_chars (fixpos, reloc->addend, 2); | |
2389 | break; | |
252b5132 | 2390 | |
6e22e505 AO |
2391 | case BFD_RELOC_24: |
2392 | md_number_to_chars (fixpos, reloc->addend, 3); | |
2393 | break; | |
2394 | ||
2395 | case BFD_RELOC_32: | |
2396 | md_number_to_chars (fixpos, reloc->addend, 4); | |
2397 | break; | |
2398 | ||
2399 | default: | |
f592407e AM |
2400 | reloc->sym_ptr_ptr |
2401 | = (asymbol **) bfd_abs_section_ptr->symbol_ptr_ptr; | |
6e22e505 AO |
2402 | return reloc; |
2403 | } | |
2404 | } | |
2405 | ||
7dc8f5ce AO |
2406 | if (reloc->sym_ptr_ptr) |
2407 | free (reloc->sym_ptr_ptr); | |
6e22e505 AO |
2408 | free (reloc); |
2409 | return NULL; | |
252b5132 | 2410 | } |
87271fa6 | 2411 | else |
252b5132 | 2412 | { |
87271fa6 | 2413 | reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); |
310b5aa2 | 2414 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); |
252b5132 RH |
2415 | reloc->addend = fixp->fx_offset; |
2416 | } | |
2417 | return reloc; | |
2418 | } | |
2419 | ||
2420 | int | |
2421 | md_estimate_size_before_relax (fragp, seg) | |
2422 | fragS *fragp; | |
2423 | asection *seg; | |
2424 | { | |
93c2a809 AM |
2425 | if (fragp->fr_subtype == 6 |
2426 | && (!S_IS_DEFINED (fragp->fr_symbol) | |
2427 | || seg != S_GET_SEGMENT (fragp->fr_symbol))) | |
2428 | fragp->fr_subtype = 7; | |
2429 | else if (fragp->fr_subtype == 8 | |
2430 | && (!S_IS_DEFINED (fragp->fr_symbol) | |
2431 | || seg != S_GET_SEGMENT (fragp->fr_symbol))) | |
2432 | fragp->fr_subtype = 9; | |
2433 | else if (fragp->fr_subtype == 10 | |
2434 | && (!S_IS_DEFINED (fragp->fr_symbol) | |
2435 | || seg != S_GET_SEGMENT (fragp->fr_symbol))) | |
2436 | fragp->fr_subtype = 12; | |
2437 | ||
e7b71525 AO |
2438 | if (fragp->fr_subtype == 13) |
2439 | return 3; | |
93c2a809 AM |
2440 | if (fragp->fr_subtype >= sizeof (md_relax_table) / sizeof (md_relax_table[0])) |
2441 | abort (); | |
2442 | ||
2443 | return md_relax_table[fragp->fr_subtype].rlx_length; | |
87271fa6 | 2444 | } |
252b5132 RH |
2445 | |
2446 | long | |
2447 | md_pcrel_from (fixp) | |
2448 | fixS *fixp; | |
2449 | { | |
87271fa6 | 2450 | if (fixp->fx_addsy != (symbolS *) NULL && !S_IS_DEFINED (fixp->fx_addsy)) |
252b5132 RH |
2451 | { |
2452 | /* The symbol is undefined. Let the linker figure it out. */ | |
2453 | return 0; | |
2454 | } | |
2455 | return fixp->fx_frag->fr_address + fixp->fx_where; | |
252b5132 RH |
2456 | } |
2457 | ||
94f592af | 2458 | void |
55cf6793 | 2459 | md_apply_fix (fixP, valP, seg) |
94f592af NC |
2460 | fixS * fixP; |
2461 | valueT * valP; | |
252b5132 RH |
2462 | segT seg; |
2463 | { | |
94f592af | 2464 | char * fixpos = fixP->fx_where + fixP->fx_frag->fr_literal; |
58a77e41 | 2465 | int size = 0; |
94f592af | 2466 | int value = (int) * valP; |
58a77e41 | 2467 | |
94f592af | 2468 | assert (fixP->fx_r_type < BFD_RELOC_UNUSED); |
58a77e41 EC |
2469 | |
2470 | /* This should never happen. */ | |
2471 | if (seg->flags & SEC_ALLOC) | |
94f592af | 2472 | abort (); |
58a77e41 | 2473 | |
c51ce5f0 | 2474 | /* The value we are passed in *valuep includes the symbol values. |
7be1c489 AM |
2475 | If we are doing this relocation the code in write.c is going to |
2476 | call bfd_install_relocation, which is also going to use the symbol | |
2477 | value. That means that if the reloc is fully resolved we want to | |
2478 | use *valuep since bfd_install_relocation is not being used. | |
c51ce5f0 EC |
2479 | |
2480 | However, if the reloc is not fully resolved we do not want to use | |
2481 | *valuep, and must use fx_offset instead. However, if the reloc | |
2482 | is PC relative, we do want to use *valuep since it includes the | |
2483 | result of md_pcrel_from. */ | |
94f592af NC |
2484 | if (fixP->fx_addsy != (symbolS *) NULL && ! fixP->fx_pcrel) |
2485 | value = fixP->fx_offset; | |
c51ce5f0 | 2486 | |
58a77e41 EC |
2487 | /* If the fix is relative to a symbol which is not defined, or not |
2488 | in the same segment as the fix, we cannot resolve it here. */ | |
94f592af NC |
2489 | if (fixP->fx_addsy != NULL |
2490 | && (! S_IS_DEFINED (fixP->fx_addsy) | |
2491 | || (S_GET_SEGMENT (fixP->fx_addsy) != seg))) | |
58a77e41 | 2492 | { |
94f592af NC |
2493 | fixP->fx_done = 0; |
2494 | return; | |
58a77e41 EC |
2495 | } |
2496 | ||
94f592af | 2497 | switch (fixP->fx_r_type) |
58a77e41 EC |
2498 | { |
2499 | case BFD_RELOC_8: | |
96f37af6 | 2500 | case BFD_RELOC_8_PCREL: |
58a77e41 EC |
2501 | size = 1; |
2502 | break; | |
2503 | ||
2504 | case BFD_RELOC_16: | |
96f37af6 | 2505 | case BFD_RELOC_16_PCREL: |
58a77e41 EC |
2506 | size = 2; |
2507 | break; | |
2508 | ||
2509 | case BFD_RELOC_32: | |
96f37af6 | 2510 | case BFD_RELOC_32_PCREL: |
58a77e41 EC |
2511 | size = 4; |
2512 | break; | |
2513 | ||
2514 | case BFD_RELOC_VTABLE_INHERIT: | |
2515 | case BFD_RELOC_VTABLE_ENTRY: | |
94f592af NC |
2516 | fixP->fx_done = 0; |
2517 | return; | |
58a77e41 EC |
2518 | |
2519 | case BFD_RELOC_NONE: | |
2520 | default: | |
94f592af NC |
2521 | as_bad_where (fixP->fx_file, fixP->fx_line, |
2522 | _("Bad relocation fixup type (%d)"), fixP->fx_r_type); | |
58a77e41 EC |
2523 | } |
2524 | ||
c51ce5f0 | 2525 | md_number_to_chars (fixpos, value, size); |
58a77e41 | 2526 | |
b653e7f9 | 2527 | /* If a symbol remains, pass the fixup, as a reloc, onto the linker. */ |
94f592af NC |
2528 | if (fixP->fx_addsy == NULL) |
2529 | fixP->fx_done = 1; | |
58a77e41 EC |
2530 | } |
2531 | ||
58a77e41 EC |
2532 | /* Return zero if the fixup in fixp should be left alone and not |
2533 | adjusted. */ | |
2534 | ||
b34976b6 | 2535 | bfd_boolean |
58a77e41 EC |
2536 | mn10300_fix_adjustable (fixp) |
2537 | struct fix *fixp; | |
2538 | { | |
66a4ad42 | 2539 | if (TC_FORCE_RELOCATION_LOCAL (fixp)) |
bf6f0d0c AO |
2540 | return 0; |
2541 | ||
58a77e41 EC |
2542 | if (fixp->fx_r_type == BFD_RELOC_VTABLE_INHERIT |
2543 | || fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY) | |
2544 | return 0; | |
2545 | ||
7e8f4100 AO |
2546 | /* Do not adjust relocations involving symbols in code sections, |
2547 | because it breaks linker relaxations. This could be fixed in the | |
2548 | linker, but this fix is simpler, and it pretty much only affects | |
2549 | object size a little bit. */ | |
2550 | if (S_GET_SEGMENT (fixp->fx_addsy)->flags & SEC_CODE) | |
2551 | return 0; | |
2552 | ||
53cb0362 DD |
2553 | /* Likewise, do not adjust symbols that won't be merged, or debug |
2554 | symbols, because they too break relaxation. We do want to adjust | |
2555 | other mergable symbols, like .rodata, because code relaxations | |
2556 | need section-relative symbols to properly relax them. */ | |
2557 | if (! (S_GET_SEGMENT(fixp->fx_addsy)->flags & SEC_MERGE)) | |
2558 | return 0; | |
2559 | if (strncmp (S_GET_SEGMENT (fixp->fx_addsy)->name, ".debug", 6) == 0) | |
2560 | return 0; | |
2561 | ||
58a77e41 | 2562 | return 1; |
252b5132 RH |
2563 | } |
2564 | ||
2565 | /* Insert an operand value into an instruction. */ | |
2566 | ||
2567 | static void | |
2568 | mn10300_insert_operand (insnp, extensionp, operand, val, file, line, shift) | |
2569 | unsigned long *insnp; | |
2570 | unsigned long *extensionp; | |
2571 | const struct mn10300_operand *operand; | |
2572 | offsetT val; | |
2573 | char *file; | |
2574 | unsigned int line; | |
2575 | unsigned int shift; | |
2576 | { | |
2577 | /* No need to check 32bit operands for a bit. Note that | |
2578 | MN10300_OPERAND_SPLIT is an implicit 32bit operand. */ | |
2579 | if (operand->bits != 32 | |
2580 | && (operand->flags & MN10300_OPERAND_SPLIT) == 0) | |
2581 | { | |
2582 | long min, max; | |
2583 | offsetT test; | |
2584 | int bits; | |
2585 | ||
2586 | bits = operand->bits; | |
85cb2cf9 JL |
2587 | if (operand->flags & MN10300_OPERAND_24BIT) |
2588 | bits = 24; | |
252b5132 RH |
2589 | |
2590 | if ((operand->flags & MN10300_OPERAND_SIGNED) != 0) | |
2591 | { | |
2592 | max = (1 << (bits - 1)) - 1; | |
2593 | min = - (1 << (bits - 1)); | |
2594 | } | |
2595 | else | |
87271fa6 NC |
2596 | { |
2597 | max = (1 << bits) - 1; | |
2598 | min = 0; | |
2599 | } | |
252b5132 RH |
2600 | |
2601 | test = val; | |
2602 | ||
252b5132 | 2603 | if (test < (offsetT) min || test > (offsetT) max) |
e5976317 | 2604 | as_warn_value_out_of_range (_("operand"), test, (offsetT) min, (offsetT) max, file, line); |
252b5132 RH |
2605 | } |
2606 | ||
2607 | if ((operand->flags & MN10300_OPERAND_SPLIT) != 0) | |
2608 | { | |
2609 | *insnp |= (val >> (32 - operand->bits)) & ((1 << operand->bits) - 1); | |
2610 | *extensionp |= ((val & ((1 << (32 - operand->bits)) - 1)) | |
2611 | << operand->shift); | |
2612 | } | |
85cb2cf9 JL |
2613 | else if ((operand->flags & MN10300_OPERAND_24BIT) != 0) |
2614 | { | |
2615 | *insnp |= (val >> (24 - operand->bits)) & ((1 << operand->bits) - 1); | |
2616 | *extensionp |= ((val & ((1 << (24 - operand->bits)) - 1)) | |
2617 | << operand->shift); | |
2618 | } | |
e7b71525 AO |
2619 | else if ((operand->flags & (MN10300_OPERAND_FSREG | MN10300_OPERAND_FDREG))) |
2620 | { | |
2621 | /* See devo/opcodes/m10300-opc.c just before #define FSM0 for an | |
2622 | explanation of these variables. Note that FMT-implied shifts | |
2623 | are not taken into account for FP registers. */ | |
2624 | unsigned long mask_low, mask_high; | |
2625 | int shl_low, shr_high, shl_high; | |
2626 | ||
2627 | switch (operand->bits) | |
2628 | { | |
2629 | case 5: | |
2630 | /* Handle regular FP registers. */ | |
2631 | if (operand->shift >= 0) | |
2632 | { | |
2633 | /* This is an `m' register. */ | |
2634 | shl_low = operand->shift; | |
2635 | shl_high = 8 + (8 & shl_low) + (shl_low & 4) / 4; | |
2636 | } | |
2637 | else | |
2638 | { | |
2639 | /* This is an `n' register. */ | |
2640 | shl_low = -operand->shift; | |
2641 | shl_high = shl_low / 4; | |
2642 | } | |
2643 | ||
2644 | mask_low = 0x0f; | |
2645 | mask_high = 0x10; | |
2646 | shr_high = 4; | |
2647 | break; | |
2648 | ||
2649 | case 3: | |
2650 | /* Handle accumulators. */ | |
2651 | shl_low = -operand->shift; | |
2652 | shl_high = 0; | |
2653 | mask_low = 0x03; | |
2654 | mask_high = 0x04; | |
2655 | shr_high = 2; | |
2656 | break; | |
2657 | ||
2658 | default: | |
2659 | abort (); | |
2660 | } | |
2661 | *insnp |= ((((val & mask_high) >> shr_high) << shl_high) | |
2662 | | ((val & mask_low) << shl_low)); | |
2663 | } | |
252b5132 RH |
2664 | else if ((operand->flags & MN10300_OPERAND_EXTENDED) == 0) |
2665 | { | |
2666 | *insnp |= (((long) val & ((1 << operand->bits) - 1)) | |
2667 | << (operand->shift + shift)); | |
2668 | ||
2669 | if ((operand->flags & MN10300_OPERAND_REPEATED) != 0) | |
2670 | *insnp |= (((long) val & ((1 << operand->bits) - 1)) | |
2671 | << (operand->shift + shift + operand->bits)); | |
2672 | } | |
2673 | else | |
2674 | { | |
2675 | *extensionp |= (((long) val & ((1 << operand->bits) - 1)) | |
2676 | << (operand->shift + shift)); | |
2677 | ||
2678 | if ((operand->flags & MN10300_OPERAND_REPEATED) != 0) | |
2679 | *extensionp |= (((long) val & ((1 << operand->bits) - 1)) | |
2680 | << (operand->shift + shift + operand->bits)); | |
2681 | } | |
2682 | } | |
2683 | ||
2684 | static unsigned long | |
2685 | check_operand (insn, operand, val) | |
b4c1ea07 | 2686 | unsigned long insn ATTRIBUTE_UNUSED; |
252b5132 RH |
2687 | const struct mn10300_operand *operand; |
2688 | offsetT val; | |
2689 | { | |
2690 | /* No need to check 32bit operands for a bit. Note that | |
2691 | MN10300_OPERAND_SPLIT is an implicit 32bit operand. */ | |
2692 | if (operand->bits != 32 | |
2693 | && (operand->flags & MN10300_OPERAND_SPLIT) == 0) | |
2694 | { | |
2695 | long min, max; | |
2696 | offsetT test; | |
2697 | int bits; | |
2698 | ||
2699 | bits = operand->bits; | |
85cb2cf9 JL |
2700 | if (operand->flags & MN10300_OPERAND_24BIT) |
2701 | bits = 24; | |
252b5132 RH |
2702 | |
2703 | if ((operand->flags & MN10300_OPERAND_SIGNED) != 0) | |
2704 | { | |
2705 | max = (1 << (bits - 1)) - 1; | |
2706 | min = - (1 << (bits - 1)); | |
2707 | } | |
2708 | else | |
87271fa6 NC |
2709 | { |
2710 | max = (1 << bits) - 1; | |
2711 | min = 0; | |
2712 | } | |
252b5132 RH |
2713 | |
2714 | test = val; | |
2715 | ||
252b5132 RH |
2716 | if (test < (offsetT) min || test > (offsetT) max) |
2717 | return 0; | |
2718 | else | |
2719 | return 1; | |
2720 | } | |
2721 | return 1; | |
2722 | } | |
2723 | ||
2724 | static void | |
2725 | set_arch_mach (mach) | |
497f322d | 2726 | int mach; |
252b5132 RH |
2727 | { |
2728 | if (!bfd_set_arch_mach (stdoutput, bfd_arch_mn10300, mach)) | |
2729 | as_warn (_("could not set architecture and machine")); | |
2730 | ||
2731 | current_machine = mach; | |
2732 | } | |
bf6f0d0c AO |
2733 | |
2734 | static inline char * mn10300_end_of_match PARAMS ((char *, char *)); | |
2735 | ||
2736 | static inline char * | |
2737 | mn10300_end_of_match (cont, what) | |
2738 | char *cont, *what; | |
2739 | { | |
2740 | int len = strlen (what); | |
2741 | ||
2742 | if (strncmp (cont, what, strlen (what)) == 0 | |
2743 | && ! is_part_of_name (cont[len])) | |
2744 | return cont + len; | |
2745 | ||
2746 | return NULL; | |
2747 | } | |
2748 | ||
2749 | int | |
9497f5ac | 2750 | mn10300_parse_name (name, exprP, mode, nextcharP) |
bf6f0d0c AO |
2751 | char const *name; |
2752 | expressionS *exprP; | |
9497f5ac | 2753 | enum expr_mode mode; |
bf6f0d0c AO |
2754 | char *nextcharP; |
2755 | { | |
2756 | char *next = input_line_pointer; | |
2757 | char *next_end; | |
2758 | int reloc_type; | |
2759 | segT segment; | |
2760 | ||
2761 | exprP->X_op_symbol = NULL; | |
2762 | ||
2763 | if (strcmp (name, GLOBAL_OFFSET_TABLE_NAME) == 0) | |
2764 | { | |
2765 | if (! GOT_symbol) | |
2766 | GOT_symbol = symbol_find_or_make (name); | |
2767 | ||
2768 | exprP->X_add_symbol = GOT_symbol; | |
2769 | no_suffix: | |
2770 | /* If we have an absolute symbol or a reg, | |
2771 | then we know its value now. */ | |
2772 | segment = S_GET_SEGMENT (exprP->X_add_symbol); | |
9497f5ac | 2773 | if (mode != expr_defer && segment == absolute_section) |
bf6f0d0c AO |
2774 | { |
2775 | exprP->X_op = O_constant; | |
2776 | exprP->X_add_number = S_GET_VALUE (exprP->X_add_symbol); | |
2777 | exprP->X_add_symbol = NULL; | |
2778 | } | |
9497f5ac | 2779 | else if (mode != expr_defer && segment == reg_section) |
bf6f0d0c AO |
2780 | { |
2781 | exprP->X_op = O_register; | |
2782 | exprP->X_add_number = S_GET_VALUE (exprP->X_add_symbol); | |
2783 | exprP->X_add_symbol = NULL; | |
2784 | } | |
2785 | else | |
2786 | { | |
2787 | exprP->X_op = O_symbol; | |
2788 | exprP->X_add_number = 0; | |
2789 | } | |
2790 | ||
2791 | return 1; | |
2792 | } | |
2793 | ||
2794 | exprP->X_add_symbol = symbol_find_or_make (name); | |
2795 | ||
2796 | if (*nextcharP != '@') | |
2797 | goto no_suffix; | |
2798 | else if ((next_end = mn10300_end_of_match (next + 1, "GOTOFF"))) | |
2799 | reloc_type = BFD_RELOC_32_GOTOFF; | |
2800 | else if ((next_end = mn10300_end_of_match (next + 1, "GOT"))) | |
2801 | reloc_type = BFD_RELOC_MN10300_GOT32; | |
2802 | else if ((next_end = mn10300_end_of_match (next + 1, "PLT"))) | |
2803 | reloc_type = BFD_RELOC_32_PLT_PCREL; | |
2804 | else | |
2805 | goto no_suffix; | |
2806 | ||
2807 | *input_line_pointer = *nextcharP; | |
2808 | input_line_pointer = next_end; | |
2809 | *nextcharP = *input_line_pointer; | |
2810 | *input_line_pointer = '\0'; | |
2811 | ||
2812 | exprP->X_op = O_PIC_reloc; | |
2813 | exprP->X_add_number = 0; | |
2814 | exprP->X_md = reloc_type; | |
2815 | ||
2816 | return 1; | |
2817 | } |