Commit | Line | Data |
---|---|---|
ef230218 | 1 | /* tc-sh.c -- Assemble code for the Renesas / SuperH SH |
4aa3e325 | 2 | Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, |
32b9ff0d | 3 | 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 |
772657e9 | 4 | Free Software Foundation, Inc. |
252b5132 RH |
5 | |
6 | This file is part of GAS, the GNU Assembler. | |
7 | ||
8 | GAS is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
ec2655a6 | 10 | the Free Software Foundation; either version 3, or (at your option) |
252b5132 RH |
11 | any later version. |
12 | ||
13 | GAS is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with GAS; see the file COPYING. If not, write to | |
4b4da160 NC |
20 | the Free Software Foundation, 51 Franklin Street - Fifth Floor, |
21 | Boston, MA 02110-1301, USA. */ | |
252b5132 | 22 | |
6b31947e | 23 | /* Written By Steve Chamberlain <sac@cygnus.com> */ |
252b5132 | 24 | |
252b5132 | 25 | #include "as.h" |
252b5132 RH |
26 | #include "subsegs.h" |
27 | #define DEFINE_TABLE | |
28 | #include "opcodes/sh-opc.h" | |
3882b010 | 29 | #include "safe-ctype.h" |
43841e91 | 30 | #include "struc-symbol.h" |
d4845d57 JR |
31 | |
32 | #ifdef OBJ_ELF | |
33 | #include "elf/sh.h" | |
34 | #endif | |
35 | ||
0d10e182 | 36 | #include "dwarf2dbg.h" |
2ce4cc60 | 37 | #include "dw2gencfi.h" |
0d10e182 | 38 | |
e08ae979 HPN |
39 | typedef struct |
40 | { | |
41 | sh_arg_type type; | |
42 | int reg; | |
43 | expressionS immediate; | |
44 | } | |
45 | sh_operand_info; | |
46 | ||
252b5132 RH |
47 | const char comment_chars[] = "!"; |
48 | const char line_separator_chars[] = ";"; | |
49 | const char line_comment_chars[] = "!#"; | |
50 | ||
8edc77b9 KK |
51 | static void s_uses (int); |
52 | static void s_uacons (int); | |
252b5132 | 53 | |
a1cc9221 | 54 | #ifdef OBJ_ELF |
8edc77b9 | 55 | static void sh_elf_cons (int); |
538cd60f | 56 | |
a1cc9221 AO |
57 | symbolS *GOT_symbol; /* Pre-defined "_GLOBAL_OFFSET_TABLE_" */ |
58 | #endif | |
59 | ||
05982cac | 60 | static void |
8edc77b9 | 61 | big (int ignore ATTRIBUTE_UNUSED) |
05982cac HPN |
62 | { |
63 | if (! target_big_endian) | |
64 | as_bad (_("directive .big encountered when option -big required")); | |
65 | ||
66 | /* Stop further messages. */ | |
67 | target_big_endian = 1; | |
68 | } | |
252b5132 RH |
69 | |
70 | static void | |
8edc77b9 | 71 | little (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 72 | { |
05982cac HPN |
73 | if (target_big_endian) |
74 | as_bad (_("directive .little encountered when option -little required")); | |
75 | ||
76 | /* Stop further messages. */ | |
252b5132 RH |
77 | target_big_endian = 0; |
78 | } | |
79 | ||
d4845d57 JR |
80 | /* This table describes all the machine specific pseudo-ops the assembler |
81 | has to support. The fields are: | |
82 | pseudo-op name without dot | |
83 | function to call to execute this pseudo-op | |
6b31947e | 84 | Integer arg to pass to the function. */ |
d4845d57 | 85 | |
252b5132 RH |
86 | const pseudo_typeS md_pseudo_table[] = |
87 | { | |
a1cc9221 AO |
88 | #ifdef OBJ_ELF |
89 | {"long", sh_elf_cons, 4}, | |
90 | {"int", sh_elf_cons, 4}, | |
91 | {"word", sh_elf_cons, 2}, | |
92 | {"short", sh_elf_cons, 2}, | |
93 | #else | |
252b5132 RH |
94 | {"int", cons, 4}, |
95 | {"word", cons, 2}, | |
a1cc9221 | 96 | #endif /* OBJ_ELF */ |
05982cac | 97 | {"big", big, 0}, |
252b5132 RH |
98 | {"form", listing_psize, 0}, |
99 | {"little", little, 0}, | |
100 | {"heading", listing_title, 0}, | |
101 | {"import", s_ignore, 0}, | |
102 | {"page", listing_eject, 0}, | |
103 | {"program", s_ignore, 0}, | |
104 | {"uses", s_uses, 0}, | |
105 | {"uaword", s_uacons, 2}, | |
106 | {"ualong", s_uacons, 4}, | |
de68de20 AO |
107 | {"uaquad", s_uacons, 8}, |
108 | {"2byte", s_uacons, 2}, | |
109 | {"4byte", s_uacons, 4}, | |
110 | {"8byte", s_uacons, 8}, | |
324bfcf3 AO |
111 | #ifdef HAVE_SH64 |
112 | {"mode", s_sh64_mode, 0 }, | |
113 | ||
114 | /* Have the old name too. */ | |
115 | {"isa", s_sh64_mode, 0 }, | |
116 | ||
117 | /* Assert that the right ABI is used. */ | |
118 | {"abi", s_sh64_abi, 0 }, | |
119 | ||
120 | { "vtable_inherit", sh64_vtable_inherit, 0 }, | |
121 | { "vtable_entry", sh64_vtable_entry, 0 }, | |
122 | #endif /* HAVE_SH64 */ | |
252b5132 RH |
123 | {0, 0, 0} |
124 | }; | |
125 | ||
252b5132 RH |
126 | int sh_relax; /* set if -relax seen */ |
127 | ||
128 | /* Whether -small was seen. */ | |
129 | ||
130 | int sh_small; | |
131 | ||
f55629b8 KK |
132 | /* Flag to generate relocations against symbol values for local symbols. */ |
133 | ||
134 | static int dont_adjust_reloc_32; | |
135 | ||
37dedf66 NC |
136 | /* Flag to indicate that '$' is allowed as a register prefix. */ |
137 | ||
138 | static int allow_dollar_register_prefix; | |
139 | ||
140 | /* Preset architecture set, if given; zero otherwise. */ | |
d4845d57 | 141 | |
f6f9408f | 142 | static unsigned int preset_target_arch; |
d4845d57 JR |
143 | |
144 | /* The bit mask of architectures that could | |
67c1ffbe | 145 | accommodate the insns seen so far. */ |
f6f9408f | 146 | static unsigned int valid_arch; |
d4845d57 | 147 | |
87975d2a | 148 | #ifdef OBJ_ELF |
8e45593f NC |
149 | /* Whether --fdpic was given. */ |
150 | static int sh_fdpic; | |
87975d2a | 151 | #endif |
8e45593f | 152 | |
252b5132 RH |
153 | const char EXP_CHARS[] = "eE"; |
154 | ||
6b31947e | 155 | /* Chars that mean this number is a floating point constant. */ |
252b5132 RH |
156 | /* As in 0f12.456 */ |
157 | /* or 0d1.2345e12 */ | |
158 | const char FLT_CHARS[] = "rRsSfFdDxXpP"; | |
159 | ||
160 | #define C(a,b) ENCODE_RELAX(a,b) | |
161 | ||
252b5132 RH |
162 | #define ENCODE_RELAX(what,length) (((what) << 4) + (length)) |
163 | #define GET_WHAT(x) ((x>>4)) | |
164 | ||
67c1ffbe | 165 | /* These are the three types of relaxable instruction. */ |
324bfcf3 AO |
166 | /* These are the types of relaxable instructions; except for END which is |
167 | a marker. */ | |
252b5132 RH |
168 | #define COND_JUMP 1 |
169 | #define COND_JUMP_DELAY 2 | |
170 | #define UNCOND_JUMP 3 | |
324bfcf3 AO |
171 | |
172 | #ifdef HAVE_SH64 | |
173 | ||
174 | /* A 16-bit (times four) pc-relative operand, at most expanded to 32 bits. */ | |
175 | #define SH64PCREL16_32 4 | |
176 | /* A 16-bit (times four) pc-relative operand, at most expanded to 64 bits. */ | |
177 | #define SH64PCREL16_64 5 | |
178 | ||
179 | /* Variants of the above for adjusting the insn to PTA or PTB according to | |
180 | the label. */ | |
181 | #define SH64PCREL16PT_32 6 | |
182 | #define SH64PCREL16PT_64 7 | |
183 | ||
184 | /* A MOVI expansion, expanding to at most 32 or 64 bits. */ | |
185 | #define MOVI_IMM_32 8 | |
186 | #define MOVI_IMM_32_PCREL 9 | |
187 | #define MOVI_IMM_64 10 | |
188 | #define MOVI_IMM_64_PCREL 11 | |
189 | #define END 12 | |
190 | ||
191 | #else /* HAVE_SH64 */ | |
192 | ||
252b5132 RH |
193 | #define END 4 |
194 | ||
324bfcf3 AO |
195 | #endif /* HAVE_SH64 */ |
196 | ||
252b5132 RH |
197 | #define UNDEF_DISP 0 |
198 | #define COND8 1 | |
199 | #define COND12 2 | |
200 | #define COND32 3 | |
252b5132 RH |
201 | #define UNDEF_WORD_DISP 4 |
202 | ||
203 | #define UNCOND12 1 | |
204 | #define UNCOND32 2 | |
205 | ||
324bfcf3 AO |
206 | #ifdef HAVE_SH64 |
207 | #define UNDEF_SH64PCREL 0 | |
208 | #define SH64PCREL16 1 | |
209 | #define SH64PCREL32 2 | |
210 | #define SH64PCREL48 3 | |
211 | #define SH64PCREL64 4 | |
212 | #define SH64PCRELPLT 5 | |
213 | ||
214 | #define UNDEF_MOVI 0 | |
215 | #define MOVI_16 1 | |
216 | #define MOVI_32 2 | |
217 | #define MOVI_48 3 | |
218 | #define MOVI_64 4 | |
219 | #define MOVI_PLT 5 | |
220 | #define MOVI_GOTOFF 6 | |
221 | #define MOVI_GOTPC 7 | |
222 | #endif /* HAVE_SH64 */ | |
223 | ||
252b5132 RH |
224 | /* Branch displacements are from the address of the branch plus |
225 | four, thus all minimum and maximum values have 4 added to them. */ | |
226 | #define COND8_F 258 | |
227 | #define COND8_M -252 | |
228 | #define COND8_LENGTH 2 | |
229 | ||
230 | /* There is one extra instruction before the branch, so we must add | |
231 | two more bytes to account for it. */ | |
232 | #define COND12_F 4100 | |
233 | #define COND12_M -4090 | |
234 | #define COND12_LENGTH 6 | |
235 | ||
236 | #define COND12_DELAY_LENGTH 4 | |
237 | ||
238 | /* ??? The minimum and maximum values are wrong, but this does not matter | |
239 | since this relocation type is not supported yet. */ | |
240 | #define COND32_F (1<<30) | |
241 | #define COND32_M -(1<<30) | |
242 | #define COND32_LENGTH 14 | |
243 | ||
244 | #define UNCOND12_F 4098 | |
245 | #define UNCOND12_M -4092 | |
246 | #define UNCOND12_LENGTH 2 | |
247 | ||
248 | /* ??? The minimum and maximum values are wrong, but this does not matter | |
249 | since this relocation type is not supported yet. */ | |
250 | #define UNCOND32_F (1<<30) | |
251 | #define UNCOND32_M -(1<<30) | |
252 | #define UNCOND32_LENGTH 14 | |
253 | ||
324bfcf3 AO |
254 | #ifdef HAVE_SH64 |
255 | /* The trivial expansion of a SH64PCREL16 relaxation is just a "PT label, | |
256 | TRd" as is the current insn, so no extra length. Note that the "reach" | |
257 | is calculated from the address *after* that insn, but the offset in the | |
258 | insn is calculated from the beginning of the insn. We also need to | |
259 | take into account the implicit 1 coded as the "A" in PTA when counting | |
260 | forward. If PTB reaches an odd address, we trap that as an error | |
261 | elsewhere, so we don't have to have different relaxation entries. We | |
262 | don't add a one to the negative range, since PTB would then have the | |
263 | farthest backward-reaching value skipped, not generated at relaxation. */ | |
264 | #define SH64PCREL16_F (32767 * 4 - 4 + 1) | |
265 | #define SH64PCREL16_M (-32768 * 4 - 4) | |
266 | #define SH64PCREL16_LENGTH 0 | |
267 | ||
268 | /* The next step is to change that PT insn into | |
269 | MOVI ((label - datalabel Ln) >> 16) & 65535, R25 | |
270 | SHORI (label - datalabel Ln) & 65535, R25 | |
271 | Ln: | |
272 | PTREL R25,TRd | |
273 | which means two extra insns, 8 extra bytes. This is the limit for the | |
274 | 32-bit ABI. | |
275 | ||
276 | The expressions look a bit bad since we have to adjust this to avoid overflow on a | |
277 | 32-bit host. */ | |
278 | #define SH64PCREL32_F ((((long) 1 << 30) - 1) * 2 + 1 - 4) | |
279 | #define SH64PCREL32_LENGTH (2 * 4) | |
280 | ||
281 | /* Similarly, we just change the MOVI and add a SHORI for the 48-bit | |
282 | expansion. */ | |
283 | #if BFD_HOST_64BIT_LONG | |
284 | /* The "reach" type is long, so we can only do this for a 64-bit-long | |
285 | host. */ | |
286 | #define SH64PCREL32_M (((long) -1 << 30) * 2 - 4) | |
287 | #define SH64PCREL48_F ((((long) 1 << 47) - 1) - 4) | |
288 | #define SH64PCREL48_M (((long) -1 << 47) - 4) | |
289 | #define SH64PCREL48_LENGTH (3 * 4) | |
290 | #else | |
291 | /* If the host does not have 64-bit longs, just make this state identical | |
292 | in reach to the 32-bit state. Note that we have a slightly incorrect | |
293 | reach, but the correct one above will overflow a 32-bit number. */ | |
294 | #define SH64PCREL32_M (((long) -1 << 30) * 2) | |
295 | #define SH64PCREL48_F SH64PCREL32_F | |
296 | #define SH64PCREL48_M SH64PCREL32_M | |
297 | #define SH64PCREL48_LENGTH (3 * 4) | |
298 | #endif /* BFD_HOST_64BIT_LONG */ | |
299 | ||
300 | /* And similarly for the 64-bit expansion; a MOVI + SHORI + SHORI + SHORI | |
301 | + PTREL sequence. */ | |
302 | #define SH64PCREL64_LENGTH (4 * 4) | |
303 | ||
304 | /* For MOVI, we make the MOVI + SHORI... expansion you can see in the | |
305 | SH64PCREL expansions. The PCREL one is similar, but the other has no | |
306 | pc-relative reach; it must be fully expanded in | |
307 | shmedia_md_estimate_size_before_relax. */ | |
308 | #define MOVI_16_LENGTH 0 | |
309 | #define MOVI_16_F (32767 - 4) | |
310 | #define MOVI_16_M (-32768 - 4) | |
311 | #define MOVI_32_LENGTH 4 | |
312 | #define MOVI_32_F ((((long) 1 << 30) - 1) * 2 + 1 - 4) | |
313 | #define MOVI_48_LENGTH 8 | |
314 | ||
315 | #if BFD_HOST_64BIT_LONG | |
316 | /* The "reach" type is long, so we can only do this for a 64-bit-long | |
317 | host. */ | |
318 | #define MOVI_32_M (((long) -1 << 30) * 2 - 4) | |
319 | #define MOVI_48_F ((((long) 1 << 47) - 1) - 4) | |
320 | #define MOVI_48_M (((long) -1 << 47) - 4) | |
321 | #else | |
322 | /* If the host does not have 64-bit longs, just make this state identical | |
323 | in reach to the 32-bit state. Note that we have a slightly incorrect | |
324 | reach, but the correct one above will overflow a 32-bit number. */ | |
325 | #define MOVI_32_M (((long) -1 << 30) * 2) | |
326 | #define MOVI_48_F MOVI_32_F | |
327 | #define MOVI_48_M MOVI_32_M | |
328 | #endif /* BFD_HOST_64BIT_LONG */ | |
329 | ||
330 | #define MOVI_64_LENGTH 12 | |
331 | #endif /* HAVE_SH64 */ | |
332 | ||
43841e91 NC |
333 | #define EMPTY { 0, 0, 0, 0 } |
334 | ||
252b5132 | 335 | const relax_typeS md_relax_table[C (END, 0)] = { |
43841e91 NC |
336 | EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, |
337 | EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, | |
252b5132 | 338 | |
43841e91 | 339 | EMPTY, |
252b5132 RH |
340 | /* C (COND_JUMP, COND8) */ |
341 | { COND8_F, COND8_M, COND8_LENGTH, C (COND_JUMP, COND12) }, | |
342 | /* C (COND_JUMP, COND12) */ | |
343 | { COND12_F, COND12_M, COND12_LENGTH, C (COND_JUMP, COND32), }, | |
344 | /* C (COND_JUMP, COND32) */ | |
345 | { COND32_F, COND32_M, COND32_LENGTH, 0, }, | |
e66457fb AM |
346 | /* C (COND_JUMP, UNDEF_WORD_DISP) */ |
347 | { 0, 0, COND32_LENGTH, 0, }, | |
348 | EMPTY, EMPTY, EMPTY, | |
43841e91 | 349 | EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, |
252b5132 | 350 | |
43841e91 | 351 | EMPTY, |
252b5132 RH |
352 | /* C (COND_JUMP_DELAY, COND8) */ |
353 | { COND8_F, COND8_M, COND8_LENGTH, C (COND_JUMP_DELAY, COND12) }, | |
354 | /* C (COND_JUMP_DELAY, COND12) */ | |
355 | { COND12_F, COND12_M, COND12_DELAY_LENGTH, C (COND_JUMP_DELAY, COND32), }, | |
356 | /* C (COND_JUMP_DELAY, COND32) */ | |
357 | { COND32_F, COND32_M, COND32_LENGTH, 0, }, | |
e66457fb AM |
358 | /* C (COND_JUMP_DELAY, UNDEF_WORD_DISP) */ |
359 | { 0, 0, COND32_LENGTH, 0, }, | |
360 | EMPTY, EMPTY, EMPTY, | |
43841e91 | 361 | EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, |
252b5132 | 362 | |
43841e91 | 363 | EMPTY, |
252b5132 RH |
364 | /* C (UNCOND_JUMP, UNCOND12) */ |
365 | { UNCOND12_F, UNCOND12_M, UNCOND12_LENGTH, C (UNCOND_JUMP, UNCOND32), }, | |
366 | /* C (UNCOND_JUMP, UNCOND32) */ | |
367 | { UNCOND32_F, UNCOND32_M, UNCOND32_LENGTH, 0, }, | |
e66457fb AM |
368 | EMPTY, |
369 | /* C (UNCOND_JUMP, UNDEF_WORD_DISP) */ | |
370 | { 0, 0, UNCOND32_LENGTH, 0, }, | |
371 | EMPTY, EMPTY, EMPTY, | |
43841e91 | 372 | EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, |
324bfcf3 AO |
373 | |
374 | #ifdef HAVE_SH64 | |
375 | /* C (SH64PCREL16_32, SH64PCREL16) */ | |
376 | EMPTY, | |
377 | { SH64PCREL16_F, SH64PCREL16_M, SH64PCREL16_LENGTH, C (SH64PCREL16_32, SH64PCREL32) }, | |
378 | /* C (SH64PCREL16_32, SH64PCREL32) */ | |
379 | { 0, 0, SH64PCREL32_LENGTH, 0 }, | |
380 | EMPTY, EMPTY, | |
381 | /* C (SH64PCREL16_32, SH64PCRELPLT) */ | |
382 | { 0, 0, SH64PCREL32_LENGTH, 0 }, | |
383 | EMPTY, EMPTY, | |
384 | EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, | |
385 | ||
386 | /* C (SH64PCREL16_64, SH64PCREL16) */ | |
387 | EMPTY, | |
388 | { SH64PCREL16_F, SH64PCREL16_M, SH64PCREL16_LENGTH, C (SH64PCREL16_64, SH64PCREL32) }, | |
389 | /* C (SH64PCREL16_64, SH64PCREL32) */ | |
390 | { SH64PCREL32_F, SH64PCREL32_M, SH64PCREL32_LENGTH, C (SH64PCREL16_64, SH64PCREL48) }, | |
391 | /* C (SH64PCREL16_64, SH64PCREL48) */ | |
392 | { SH64PCREL48_F, SH64PCREL48_M, SH64PCREL48_LENGTH, C (SH64PCREL16_64, SH64PCREL64) }, | |
393 | /* C (SH64PCREL16_64, SH64PCREL64) */ | |
394 | { 0, 0, SH64PCREL64_LENGTH, 0 }, | |
395 | /* C (SH64PCREL16_64, SH64PCRELPLT) */ | |
396 | { 0, 0, SH64PCREL64_LENGTH, 0 }, | |
397 | EMPTY, EMPTY, | |
398 | EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, | |
399 | ||
400 | /* C (SH64PCREL16PT_32, SH64PCREL16) */ | |
401 | EMPTY, | |
402 | { SH64PCREL16_F, SH64PCREL16_M, SH64PCREL16_LENGTH, C (SH64PCREL16PT_32, SH64PCREL32) }, | |
403 | /* C (SH64PCREL16PT_32, SH64PCREL32) */ | |
404 | { 0, 0, SH64PCREL32_LENGTH, 0 }, | |
405 | EMPTY, EMPTY, | |
406 | /* C (SH64PCREL16PT_32, SH64PCRELPLT) */ | |
407 | { 0, 0, SH64PCREL32_LENGTH, 0 }, | |
408 | EMPTY, EMPTY, | |
409 | EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, | |
410 | ||
411 | /* C (SH64PCREL16PT_64, SH64PCREL16) */ | |
412 | EMPTY, | |
413 | { SH64PCREL16_F, SH64PCREL16_M, SH64PCREL16_LENGTH, C (SH64PCREL16PT_64, SH64PCREL32) }, | |
414 | /* C (SH64PCREL16PT_64, SH64PCREL32) */ | |
415 | { SH64PCREL32_F, | |
5d6255fe | 416 | SH64PCREL32_M, |
324bfcf3 AO |
417 | SH64PCREL32_LENGTH, |
418 | C (SH64PCREL16PT_64, SH64PCREL48) }, | |
419 | /* C (SH64PCREL16PT_64, SH64PCREL48) */ | |
420 | { SH64PCREL48_F, SH64PCREL48_M, SH64PCREL48_LENGTH, C (SH64PCREL16PT_64, SH64PCREL64) }, | |
421 | /* C (SH64PCREL16PT_64, SH64PCREL64) */ | |
422 | { 0, 0, SH64PCREL64_LENGTH, 0 }, | |
423 | /* C (SH64PCREL16PT_64, SH64PCRELPLT) */ | |
424 | { 0, 0, SH64PCREL64_LENGTH, 0}, | |
425 | EMPTY, EMPTY, | |
426 | EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, | |
427 | ||
428 | /* C (MOVI_IMM_32, UNDEF_MOVI) */ | |
429 | { 0, 0, MOVI_32_LENGTH, 0 }, | |
430 | /* C (MOVI_IMM_32, MOVI_16) */ | |
431 | { MOVI_16_F, MOVI_16_M, MOVI_16_LENGTH, C (MOVI_IMM_32, MOVI_32) }, | |
432 | /* C (MOVI_IMM_32, MOVI_32) */ | |
433 | { MOVI_32_F, MOVI_32_M, MOVI_32_LENGTH, 0 }, | |
434 | EMPTY, EMPTY, EMPTY, | |
435 | /* C (MOVI_IMM_32, MOVI_GOTOFF) */ | |
436 | { 0, 0, MOVI_32_LENGTH, 0 }, | |
437 | EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, | |
438 | ||
439 | /* C (MOVI_IMM_32_PCREL, MOVI_16) */ | |
440 | EMPTY, | |
441 | { MOVI_16_F, MOVI_16_M, MOVI_16_LENGTH, C (MOVI_IMM_32_PCREL, MOVI_32) }, | |
442 | /* C (MOVI_IMM_32_PCREL, MOVI_32) */ | |
443 | { 0, 0, MOVI_32_LENGTH, 0 }, | |
444 | EMPTY, EMPTY, | |
445 | /* C (MOVI_IMM_32_PCREL, MOVI_PLT) */ | |
446 | { 0, 0, MOVI_32_LENGTH, 0 }, | |
447 | EMPTY, | |
448 | /* C (MOVI_IMM_32_PCREL, MOVI_GOTPC) */ | |
449 | { 0, 0, MOVI_32_LENGTH, 0 }, | |
450 | EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, | |
451 | ||
452 | /* C (MOVI_IMM_64, UNDEF_MOVI) */ | |
453 | { 0, 0, MOVI_64_LENGTH, 0 }, | |
454 | /* C (MOVI_IMM_64, MOVI_16) */ | |
455 | { MOVI_16_F, MOVI_16_M, MOVI_16_LENGTH, C (MOVI_IMM_64, MOVI_32) }, | |
456 | /* C (MOVI_IMM_64, MOVI_32) */ | |
457 | { MOVI_32_F, MOVI_32_M, MOVI_32_LENGTH, C (MOVI_IMM_64, MOVI_48) }, | |
458 | /* C (MOVI_IMM_64, MOVI_48) */ | |
459 | { MOVI_48_F, MOVI_48_M, MOVI_48_LENGTH, C (MOVI_IMM_64, MOVI_64) }, | |
460 | /* C (MOVI_IMM_64, MOVI_64) */ | |
461 | { 0, 0, MOVI_64_LENGTH, 0 }, | |
462 | EMPTY, | |
463 | /* C (MOVI_IMM_64, MOVI_GOTOFF) */ | |
464 | { 0, 0, MOVI_64_LENGTH, 0 }, | |
465 | EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, | |
466 | ||
467 | /* C (MOVI_IMM_64_PCREL, MOVI_16) */ | |
468 | EMPTY, | |
469 | { MOVI_16_F, MOVI_16_M, MOVI_16_LENGTH, C (MOVI_IMM_64_PCREL, MOVI_32) }, | |
470 | /* C (MOVI_IMM_64_PCREL, MOVI_32) */ | |
471 | { MOVI_32_F, MOVI_32_M, MOVI_32_LENGTH, C (MOVI_IMM_64_PCREL, MOVI_48) }, | |
472 | /* C (MOVI_IMM_64_PCREL, MOVI_48) */ | |
473 | { MOVI_48_F, MOVI_48_M, MOVI_48_LENGTH, C (MOVI_IMM_64_PCREL, MOVI_64) }, | |
474 | /* C (MOVI_IMM_64_PCREL, MOVI_64) */ | |
475 | { 0, 0, MOVI_64_LENGTH, 0 }, | |
476 | /* C (MOVI_IMM_64_PCREL, MOVI_PLT) */ | |
477 | { 0, 0, MOVI_64_LENGTH, 0 }, | |
478 | EMPTY, | |
479 | /* C (MOVI_IMM_64_PCREL, MOVI_GOTPC) */ | |
480 | { 0, 0, MOVI_64_LENGTH, 0 }, | |
481 | EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, | |
482 | ||
483 | #endif /* HAVE_SH64 */ | |
484 | ||
252b5132 RH |
485 | }; |
486 | ||
43841e91 NC |
487 | #undef EMPTY |
488 | ||
252b5132 RH |
489 | static struct hash_control *opcode_hash_control; /* Opcode mnemonics */ |
490 | ||
a1cc9221 AO |
491 | \f |
492 | #ifdef OBJ_ELF | |
538cd60f AO |
493 | /* Determinet whether the symbol needs any kind of PIC relocation. */ |
494 | ||
495 | inline static int | |
8edc77b9 | 496 | sh_PIC_related_p (symbolS *sym) |
a1cc9221 | 497 | { |
538cd60f | 498 | expressionS *exp; |
a1cc9221 | 499 | |
538cd60f AO |
500 | if (! sym) |
501 | return 0; | |
502 | ||
503 | if (sym == GOT_symbol) | |
504 | return 1; | |
505 | ||
324bfcf3 AO |
506 | #ifdef HAVE_SH64 |
507 | if (sh_PIC_related_p (*symbol_get_tc (sym))) | |
508 | return 1; | |
509 | #endif | |
510 | ||
538cd60f AO |
511 | exp = symbol_get_value_expression (sym); |
512 | ||
513 | return (exp->X_op == O_PIC_reloc | |
514 | || sh_PIC_related_p (exp->X_add_symbol) | |
515 | || sh_PIC_related_p (exp->X_op_symbol)); | |
516 | } | |
517 | ||
518 | /* Determine the relocation type to be used to represent the | |
519 | expression, that may be rearranged. */ | |
520 | ||
521 | static int | |
8edc77b9 | 522 | sh_check_fixup (expressionS *main_exp, bfd_reloc_code_real_type *r_type_p) |
538cd60f AO |
523 | { |
524 | expressionS *exp = main_exp; | |
525 | ||
526 | /* This is here for backward-compatibility only. GCC used to generated: | |
527 | ||
528 | f@PLT + . - (.LPCS# + 2) | |
529 | ||
530 | but we'd rather be able to handle this as a PIC-related reference | |
531 | plus/minus a symbol. However, gas' parser gives us: | |
532 | ||
533 | O_subtract (O_add (f@PLT, .), .LPCS#+2) | |
5d6255fe | 534 | |
538cd60f AO |
535 | so we attempt to transform this into: |
536 | ||
537 | O_subtract (f@PLT, O_subtract (.LPCS#+2, .)) | |
538 | ||
5d6255fe | 539 | which we can handle simply below. */ |
538cd60f AO |
540 | if (exp->X_op == O_subtract) |
541 | { | |
542 | if (sh_PIC_related_p (exp->X_op_symbol)) | |
543 | return 1; | |
544 | ||
545 | exp = symbol_get_value_expression (exp->X_add_symbol); | |
546 | ||
547 | if (exp && sh_PIC_related_p (exp->X_op_symbol)) | |
548 | return 1; | |
549 | ||
550 | if (exp && exp->X_op == O_add | |
551 | && sh_PIC_related_p (exp->X_add_symbol)) | |
552 | { | |
553 | symbolS *sym = exp->X_add_symbol; | |
554 | ||
555 | exp->X_op = O_subtract; | |
556 | exp->X_add_symbol = main_exp->X_op_symbol; | |
557 | ||
558 | main_exp->X_op_symbol = main_exp->X_add_symbol; | |
559 | main_exp->X_add_symbol = sym; | |
560 | ||
561 | main_exp->X_add_number += exp->X_add_number; | |
562 | exp->X_add_number = 0; | |
563 | } | |
564 | ||
565 | exp = main_exp; | |
566 | } | |
567 | else if (exp->X_op == O_add && sh_PIC_related_p (exp->X_op_symbol)) | |
568 | return 1; | |
569 | ||
570 | if (exp->X_op == O_symbol || exp->X_op == O_add || exp->X_op == O_subtract) | |
571 | { | |
324bfcf3 AO |
572 | #ifdef HAVE_SH64 |
573 | if (exp->X_add_symbol | |
574 | && (exp->X_add_symbol == GOT_symbol | |
575 | || (GOT_symbol | |
576 | && *symbol_get_tc (exp->X_add_symbol) == GOT_symbol))) | |
577 | { | |
578 | switch (*r_type_p) | |
579 | { | |
580 | case BFD_RELOC_SH_IMM_LOW16: | |
581 | *r_type_p = BFD_RELOC_SH_GOTPC_LOW16; | |
582 | break; | |
583 | ||
584 | case BFD_RELOC_SH_IMM_MEDLOW16: | |
585 | *r_type_p = BFD_RELOC_SH_GOTPC_MEDLOW16; | |
586 | break; | |
587 | ||
588 | case BFD_RELOC_SH_IMM_MEDHI16: | |
589 | *r_type_p = BFD_RELOC_SH_GOTPC_MEDHI16; | |
590 | break; | |
591 | ||
592 | case BFD_RELOC_SH_IMM_HI16: | |
593 | *r_type_p = BFD_RELOC_SH_GOTPC_HI16; | |
594 | break; | |
595 | ||
596 | case BFD_RELOC_NONE: | |
597 | case BFD_RELOC_UNUSED: | |
598 | *r_type_p = BFD_RELOC_SH_GOTPC; | |
599 | break; | |
5d6255fe | 600 | |
324bfcf3 AO |
601 | default: |
602 | abort (); | |
603 | } | |
604 | return 0; | |
605 | } | |
606 | #else | |
538cd60f AO |
607 | if (exp->X_add_symbol && exp->X_add_symbol == GOT_symbol) |
608 | { | |
609 | *r_type_p = BFD_RELOC_SH_GOTPC; | |
610 | return 0; | |
611 | } | |
324bfcf3 | 612 | #endif |
538cd60f AO |
613 | exp = symbol_get_value_expression (exp->X_add_symbol); |
614 | if (! exp) | |
615 | return 0; | |
616 | } | |
617 | ||
618 | if (exp->X_op == O_PIC_reloc) | |
619 | { | |
324bfcf3 AO |
620 | switch (*r_type_p) |
621 | { | |
622 | case BFD_RELOC_NONE: | |
623 | case BFD_RELOC_UNUSED: | |
624 | *r_type_p = exp->X_md; | |
625 | break; | |
626 | ||
8e45593f NC |
627 | case BFD_RELOC_SH_DISP20: |
628 | switch (exp->X_md) | |
629 | { | |
630 | case BFD_RELOC_32_GOT_PCREL: | |
631 | *r_type_p = BFD_RELOC_SH_GOT20; | |
632 | break; | |
633 | ||
634 | case BFD_RELOC_32_GOTOFF: | |
635 | *r_type_p = BFD_RELOC_SH_GOTOFF20; | |
636 | break; | |
637 | ||
638 | case BFD_RELOC_SH_GOTFUNCDESC: | |
639 | *r_type_p = BFD_RELOC_SH_GOTFUNCDESC20; | |
640 | break; | |
641 | ||
642 | case BFD_RELOC_SH_GOTOFFFUNCDESC: | |
643 | *r_type_p = BFD_RELOC_SH_GOTOFFFUNCDESC20; | |
644 | break; | |
645 | ||
646 | default: | |
647 | abort (); | |
648 | } | |
649 | break; | |
650 | ||
651 | #ifdef HAVE_SH64 | |
324bfcf3 AO |
652 | case BFD_RELOC_SH_IMM_LOW16: |
653 | switch (exp->X_md) | |
654 | { | |
655 | case BFD_RELOC_32_GOTOFF: | |
656 | *r_type_p = BFD_RELOC_SH_GOTOFF_LOW16; | |
657 | break; | |
5d6255fe | 658 | |
324bfcf3 AO |
659 | case BFD_RELOC_SH_GOTPLT32: |
660 | *r_type_p = BFD_RELOC_SH_GOTPLT_LOW16; | |
661 | break; | |
5d6255fe | 662 | |
324bfcf3 AO |
663 | case BFD_RELOC_32_GOT_PCREL: |
664 | *r_type_p = BFD_RELOC_SH_GOT_LOW16; | |
665 | break; | |
5d6255fe | 666 | |
324bfcf3 AO |
667 | case BFD_RELOC_32_PLT_PCREL: |
668 | *r_type_p = BFD_RELOC_SH_PLT_LOW16; | |
669 | break; | |
670 | ||
671 | default: | |
672 | abort (); | |
673 | } | |
674 | break; | |
675 | ||
676 | case BFD_RELOC_SH_IMM_MEDLOW16: | |
677 | switch (exp->X_md) | |
678 | { | |
679 | case BFD_RELOC_32_GOTOFF: | |
680 | *r_type_p = BFD_RELOC_SH_GOTOFF_MEDLOW16; | |
681 | break; | |
5d6255fe | 682 | |
324bfcf3 AO |
683 | case BFD_RELOC_SH_GOTPLT32: |
684 | *r_type_p = BFD_RELOC_SH_GOTPLT_MEDLOW16; | |
685 | break; | |
5d6255fe | 686 | |
324bfcf3 AO |
687 | case BFD_RELOC_32_GOT_PCREL: |
688 | *r_type_p = BFD_RELOC_SH_GOT_MEDLOW16; | |
689 | break; | |
5d6255fe | 690 | |
324bfcf3 AO |
691 | case BFD_RELOC_32_PLT_PCREL: |
692 | *r_type_p = BFD_RELOC_SH_PLT_MEDLOW16; | |
693 | break; | |
694 | ||
695 | default: | |
696 | abort (); | |
697 | } | |
698 | break; | |
699 | ||
700 | case BFD_RELOC_SH_IMM_MEDHI16: | |
701 | switch (exp->X_md) | |
702 | { | |
703 | case BFD_RELOC_32_GOTOFF: | |
704 | *r_type_p = BFD_RELOC_SH_GOTOFF_MEDHI16; | |
705 | break; | |
5d6255fe | 706 | |
324bfcf3 AO |
707 | case BFD_RELOC_SH_GOTPLT32: |
708 | *r_type_p = BFD_RELOC_SH_GOTPLT_MEDHI16; | |
709 | break; | |
5d6255fe | 710 | |
324bfcf3 AO |
711 | case BFD_RELOC_32_GOT_PCREL: |
712 | *r_type_p = BFD_RELOC_SH_GOT_MEDHI16; | |
713 | break; | |
5d6255fe | 714 | |
324bfcf3 AO |
715 | case BFD_RELOC_32_PLT_PCREL: |
716 | *r_type_p = BFD_RELOC_SH_PLT_MEDHI16; | |
717 | break; | |
718 | ||
719 | default: | |
720 | abort (); | |
721 | } | |
722 | break; | |
723 | ||
724 | case BFD_RELOC_SH_IMM_HI16: | |
725 | switch (exp->X_md) | |
726 | { | |
727 | case BFD_RELOC_32_GOTOFF: | |
728 | *r_type_p = BFD_RELOC_SH_GOTOFF_HI16; | |
729 | break; | |
5d6255fe | 730 | |
324bfcf3 AO |
731 | case BFD_RELOC_SH_GOTPLT32: |
732 | *r_type_p = BFD_RELOC_SH_GOTPLT_HI16; | |
733 | break; | |
5d6255fe | 734 | |
324bfcf3 AO |
735 | case BFD_RELOC_32_GOT_PCREL: |
736 | *r_type_p = BFD_RELOC_SH_GOT_HI16; | |
737 | break; | |
5d6255fe | 738 | |
324bfcf3 AO |
739 | case BFD_RELOC_32_PLT_PCREL: |
740 | *r_type_p = BFD_RELOC_SH_PLT_HI16; | |
741 | break; | |
742 | ||
743 | default: | |
744 | abort (); | |
745 | } | |
746 | break; | |
8e45593f | 747 | #endif |
324bfcf3 AO |
748 | |
749 | default: | |
750 | abort (); | |
751 | } | |
538cd60f AO |
752 | if (exp == main_exp) |
753 | exp->X_op = O_symbol; | |
754 | else | |
755 | { | |
756 | main_exp->X_add_symbol = exp->X_add_symbol; | |
757 | main_exp->X_add_number += exp->X_add_number; | |
758 | } | |
759 | } | |
760 | else | |
761 | return (sh_PIC_related_p (exp->X_add_symbol) | |
762 | || sh_PIC_related_p (exp->X_op_symbol)); | |
763 | ||
764 | return 0; | |
765 | } | |
766 | ||
767 | /* Add expression EXP of SIZE bytes to offset OFF of fragment FRAG. */ | |
768 | ||
769 | void | |
8edc77b9 | 770 | sh_cons_fix_new (fragS *frag, int off, int size, expressionS *exp) |
538cd60f AO |
771 | { |
772 | bfd_reloc_code_real_type r_type = BFD_RELOC_UNUSED; | |
773 | ||
774 | if (sh_check_fixup (exp, &r_type)) | |
775 | as_bad (_("Invalid PIC expression.")); | |
776 | ||
777 | if (r_type == BFD_RELOC_UNUSED) | |
778 | switch (size) | |
a1cc9221 | 779 | { |
538cd60f AO |
780 | case 1: |
781 | r_type = BFD_RELOC_8; | |
782 | break; | |
a1cc9221 | 783 | |
538cd60f AO |
784 | case 2: |
785 | r_type = BFD_RELOC_16; | |
786 | break; | |
787 | ||
788 | case 4: | |
789 | r_type = BFD_RELOC_32; | |
790 | break; | |
a1cc9221 | 791 | |
324bfcf3 AO |
792 | case 8: |
793 | r_type = BFD_RELOC_64; | |
794 | break; | |
324bfcf3 | 795 | |
538cd60f AO |
796 | default: |
797 | goto error; | |
798 | } | |
799 | else if (size != 4) | |
800 | { | |
801 | error: | |
802 | as_bad (_("unsupported BFD relocation size %u"), size); | |
803 | r_type = BFD_RELOC_UNUSED; | |
804 | } | |
5d6255fe | 805 | |
538cd60f | 806 | fix_new_exp (frag, off, size, exp, 0, r_type); |
a1cc9221 AO |
807 | } |
808 | ||
809 | /* The regular cons() function, that reads constants, doesn't support | |
810 | suffixes such as @GOT, @GOTOFF and @PLT, that generate | |
811 | machine-specific relocation types. So we must define it here. */ | |
812 | /* Clobbers input_line_pointer, checks end-of-line. */ | |
8edc77b9 | 813 | /* NBYTES 1=.byte, 2=.word, 4=.long */ |
a1cc9221 | 814 | static void |
8edc77b9 | 815 | sh_elf_cons (register int nbytes) |
a1cc9221 | 816 | { |
538cd60f | 817 | expressionS exp; |
a1cc9221 | 818 | |
324bfcf3 AO |
819 | #ifdef HAVE_SH64 |
820 | ||
821 | /* Update existing range to include a previous insn, if there was one. */ | |
b34976b6 | 822 | sh64_update_contents_mark (TRUE); |
324bfcf3 AO |
823 | |
824 | /* We need to make sure the contents type is set to data. */ | |
825 | sh64_flag_output (); | |
826 | ||
827 | #endif /* HAVE_SH64 */ | |
828 | ||
a1cc9221 AO |
829 | if (is_it_end_of_statement ()) |
830 | { | |
831 | demand_empty_rest_of_line (); | |
832 | return; | |
833 | } | |
834 | ||
028f09bd NC |
835 | #ifdef md_cons_align |
836 | md_cons_align (nbytes); | |
837 | #endif | |
838 | ||
a1cc9221 AO |
839 | do |
840 | { | |
841 | expression (&exp); | |
538cd60f | 842 | emit_expr (&exp, (unsigned int) nbytes); |
a1cc9221 AO |
843 | } |
844 | while (*input_line_pointer++ == ','); | |
845 | ||
81d4177b | 846 | input_line_pointer--; /* Put terminator back into stream. */ |
a1cc9221 AO |
847 | if (*input_line_pointer == '#' || *input_line_pointer == '!') |
848 | { | |
dda5ecfc | 849 | while (! is_end_of_line[(unsigned char) *input_line_pointer++]); |
a1cc9221 AO |
850 | } |
851 | else | |
852 | demand_empty_rest_of_line (); | |
853 | } | |
0cc34095 KK |
854 | |
855 | /* The regular frag_offset_fixed_p doesn't work for rs_align_test | |
856 | frags. */ | |
857 | ||
858 | static bfd_boolean | |
859 | align_test_frag_offset_fixed_p (const fragS *frag1, const fragS *frag2, | |
860 | bfd_vma *offset) | |
861 | { | |
862 | const fragS *frag; | |
863 | bfd_vma off; | |
864 | ||
865 | /* Start with offset initialised to difference between the two frags. | |
866 | Prior to assigning frag addresses this will be zero. */ | |
867 | off = frag1->fr_address - frag2->fr_address; | |
868 | if (frag1 == frag2) | |
869 | { | |
870 | *offset = off; | |
871 | return TRUE; | |
872 | } | |
873 | ||
874 | /* Maybe frag2 is after frag1. */ | |
875 | frag = frag1; | |
0838d2ac KK |
876 | while (frag->fr_type == rs_fill |
877 | || frag->fr_type == rs_align_test) | |
0cc34095 | 878 | { |
0838d2ac KK |
879 | if (frag->fr_type == rs_fill) |
880 | off += frag->fr_fix + frag->fr_offset * frag->fr_var; | |
881 | else | |
882 | off += frag->fr_fix; | |
0cc34095 KK |
883 | frag = frag->fr_next; |
884 | if (frag == NULL) | |
885 | break; | |
886 | if (frag == frag2) | |
887 | { | |
888 | *offset = off; | |
889 | return TRUE; | |
890 | } | |
891 | } | |
892 | ||
893 | /* Maybe frag1 is after frag2. */ | |
894 | off = frag1->fr_address - frag2->fr_address; | |
895 | frag = frag2; | |
0838d2ac KK |
896 | while (frag->fr_type == rs_fill |
897 | || frag->fr_type == rs_align_test) | |
0cc34095 | 898 | { |
0838d2ac KK |
899 | if (frag->fr_type == rs_fill) |
900 | off -= frag->fr_fix + frag->fr_offset * frag->fr_var; | |
901 | else | |
902 | off -= frag->fr_fix; | |
0cc34095 KK |
903 | frag = frag->fr_next; |
904 | if (frag == NULL) | |
905 | break; | |
906 | if (frag == frag1) | |
907 | { | |
908 | *offset = off; | |
909 | return TRUE; | |
910 | } | |
911 | } | |
912 | ||
913 | return FALSE; | |
914 | } | |
a1cc9221 | 915 | |
0cc34095 KK |
916 | /* Optimize a difference of symbols which have rs_align_test frag if |
917 | possible. */ | |
918 | ||
919 | int | |
920 | sh_optimize_expr (expressionS *l, operatorT op, expressionS *r) | |
921 | { | |
0cc34095 KK |
922 | bfd_vma frag_off; |
923 | ||
924 | if (op == O_subtract | |
925 | && l->X_op == O_symbol | |
926 | && r->X_op == O_symbol | |
927 | && S_GET_SEGMENT (l->X_add_symbol) == S_GET_SEGMENT (r->X_add_symbol) | |
928 | && (SEG_NORMAL (S_GET_SEGMENT (l->X_add_symbol)) | |
929 | || r->X_add_symbol == l->X_add_symbol) | |
930 | && align_test_frag_offset_fixed_p (symbol_get_frag (l->X_add_symbol), | |
931 | symbol_get_frag (r->X_add_symbol), | |
932 | &frag_off)) | |
933 | { | |
4455e9ad JB |
934 | offsetT symval_diff = S_GET_VALUE (l->X_add_symbol) |
935 | - S_GET_VALUE (r->X_add_symbol); | |
936 | subtract_from_result (l, r->X_add_number, r->X_extrabit); | |
937 | subtract_from_result (l, frag_off / OCTETS_PER_BYTE, 0); | |
938 | add_to_result (l, symval_diff, symval_diff < 0); | |
0cc34095 KK |
939 | l->X_op = O_constant; |
940 | l->X_add_symbol = 0; | |
941 | return 1; | |
942 | } | |
0cc34095 KK |
943 | return 0; |
944 | } | |
541d2ffd | 945 | #endif /* OBJ_ELF */ |
a1cc9221 | 946 | \f |
6b31947e NC |
947 | /* This function is called once, at assembler startup time. This should |
948 | set up all the tables, etc that the MD part of the assembler needs. */ | |
252b5132 RH |
949 | |
950 | void | |
8edc77b9 | 951 | md_begin (void) |
252b5132 | 952 | { |
5ff37431 | 953 | const sh_opcode_info *opcode; |
252b5132 | 954 | char *prev_name = ""; |
f6f9408f | 955 | unsigned int target_arch; |
252b5132 | 956 | |
bdfaef52 | 957 | target_arch |
e38bc3b5 | 958 | = preset_target_arch ? preset_target_arch : arch_sh_up & ~arch_sh_has_dsp; |
d4845d57 JR |
959 | valid_arch = target_arch; |
960 | ||
324bfcf3 AO |
961 | #ifdef HAVE_SH64 |
962 | shmedia_md_begin (); | |
963 | #endif | |
964 | ||
252b5132 RH |
965 | opcode_hash_control = hash_new (); |
966 | ||
6b31947e | 967 | /* Insert unique names into hash table. */ |
252b5132 RH |
968 | for (opcode = sh_table; opcode->name; opcode++) |
969 | { | |
5ff37431 | 970 | if (strcmp (prev_name, opcode->name) != 0) |
252b5132 | 971 | { |
f6f9408f | 972 | if (!SH_MERGE_ARCH_SET_VALID (opcode->arch, target_arch)) |
a37c8f88 | 973 | continue; |
252b5132 RH |
974 | prev_name = opcode->name; |
975 | hash_insert (opcode_hash_control, opcode->name, (char *) opcode); | |
976 | } | |
252b5132 RH |
977 | } |
978 | } | |
979 | ||
980 | static int reg_m; | |
981 | static int reg_n; | |
d4845d57 JR |
982 | static int reg_x, reg_y; |
983 | static int reg_efg; | |
252b5132 RH |
984 | static int reg_b; |
985 | ||
3882b010 | 986 | #define IDENT_CHAR(c) (ISALNUM (c) || (c) == '_') |
dead1419 | 987 | |
6b31947e NC |
988 | /* Try to parse a reg name. Return the number of chars consumed. */ |
989 | ||
37dedf66 NC |
990 | static unsigned int |
991 | parse_reg_without_prefix (char *src, int *mode, int *reg) | |
252b5132 | 992 | { |
3882b010 L |
993 | char l0 = TOLOWER (src[0]); |
994 | char l1 = l0 ? TOLOWER (src[1]) : 0; | |
e46fee70 | 995 | |
dead1419 | 996 | /* We use ! IDENT_CHAR for the next character after the register name, to |
252b5132 | 997 | make sure that we won't accidentally recognize a symbol name such as |
dead1419 | 998 | 'sram' or sr_ram as being a reference to the register 'sr'. */ |
252b5132 | 999 | |
e46fee70 | 1000 | if (l0 == 'r') |
252b5132 | 1001 | { |
e46fee70 | 1002 | if (l1 == '1') |
d4845d57 JR |
1003 | { |
1004 | if (src[2] >= '0' && src[2] <= '5' | |
dead1419 | 1005 | && ! IDENT_CHAR ((unsigned char) src[3])) |
d4845d57 JR |
1006 | { |
1007 | *mode = A_REG_N; | |
1008 | *reg = 10 + src[2] - '0'; | |
1009 | return 3; | |
1010 | } | |
1011 | } | |
e46fee70 | 1012 | if (l1 >= '0' && l1 <= '9' |
dead1419 | 1013 | && ! IDENT_CHAR ((unsigned char) src[2])) |
d4845d57 JR |
1014 | { |
1015 | *mode = A_REG_N; | |
e46fee70 | 1016 | *reg = (l1 - '0'); |
d4845d57 JR |
1017 | return 2; |
1018 | } | |
e46fee70 | 1019 | if (l1 >= '0' && l1 <= '7' && strncasecmp (&src[2], "_bank", 5) == 0 |
dead1419 JR |
1020 | && ! IDENT_CHAR ((unsigned char) src[7])) |
1021 | { | |
1022 | *mode = A_REG_B; | |
e46fee70 | 1023 | *reg = (l1 - '0'); |
dead1419 JR |
1024 | return 7; |
1025 | } | |
d4845d57 | 1026 | |
e46fee70 | 1027 | if (l1 == 'e' && ! IDENT_CHAR ((unsigned char) src[2])) |
d4845d57 JR |
1028 | { |
1029 | *mode = A_RE; | |
1030 | return 2; | |
1031 | } | |
e46fee70 | 1032 | if (l1 == 's' && ! IDENT_CHAR ((unsigned char) src[2])) |
d4845d57 JR |
1033 | { |
1034 | *mode = A_RS; | |
1035 | return 2; | |
1036 | } | |
252b5132 RH |
1037 | } |
1038 | ||
e46fee70 | 1039 | if (l0 == 'a') |
252b5132 | 1040 | { |
e46fee70 | 1041 | if (l1 == '0') |
d4845d57 | 1042 | { |
dead1419 | 1043 | if (! IDENT_CHAR ((unsigned char) src[2])) |
d4845d57 JR |
1044 | { |
1045 | *mode = DSP_REG_N; | |
1046 | *reg = A_A0_NUM; | |
1047 | return 2; | |
1048 | } | |
3882b010 | 1049 | if (TOLOWER (src[2]) == 'g' && ! IDENT_CHAR ((unsigned char) src[3])) |
d4845d57 JR |
1050 | { |
1051 | *mode = DSP_REG_N; | |
1052 | *reg = A_A0G_NUM; | |
1053 | return 3; | |
1054 | } | |
1055 | } | |
e46fee70 | 1056 | if (l1 == '1') |
252b5132 | 1057 | { |
dead1419 | 1058 | if (! IDENT_CHAR ((unsigned char) src[2])) |
252b5132 | 1059 | { |
d4845d57 JR |
1060 | *mode = DSP_REG_N; |
1061 | *reg = A_A1_NUM; | |
1062 | return 2; | |
1063 | } | |
3882b010 | 1064 | if (TOLOWER (src[2]) == 'g' && ! IDENT_CHAR ((unsigned char) src[3])) |
d4845d57 JR |
1065 | { |
1066 | *mode = DSP_REG_N; | |
1067 | *reg = A_A1G_NUM; | |
252b5132 RH |
1068 | return 3; |
1069 | } | |
1070 | } | |
d4845d57 | 1071 | |
e46fee70 | 1072 | if (l1 == 'x' && src[2] >= '0' && src[2] <= '1' |
dead1419 | 1073 | && ! IDENT_CHAR ((unsigned char) src[3])) |
252b5132 RH |
1074 | { |
1075 | *mode = A_REG_N; | |
e46fee70 | 1076 | *reg = 4 + (l1 - '0'); |
d4845d57 JR |
1077 | return 3; |
1078 | } | |
e46fee70 | 1079 | if (l1 == 'y' && src[2] >= '0' && src[2] <= '1' |
dead1419 | 1080 | && ! IDENT_CHAR ((unsigned char) src[3])) |
d4845d57 JR |
1081 | { |
1082 | *mode = A_REG_N; | |
e46fee70 | 1083 | *reg = 6 + (l1 - '0'); |
d4845d57 JR |
1084 | return 3; |
1085 | } | |
e46fee70 | 1086 | if (l1 == 's' && src[2] >= '0' && src[2] <= '3' |
dead1419 | 1087 | && ! IDENT_CHAR ((unsigned char) src[3])) |
d4845d57 | 1088 | { |
e46fee70 | 1089 | int n = l1 - '0'; |
d4845d57 JR |
1090 | |
1091 | *mode = A_REG_N; | |
1092 | *reg = n | ((~n & 2) << 1); | |
1093 | return 3; | |
1094 | } | |
1095 | } | |
1096 | ||
912a07db | 1097 | if (l0 == 'i' && l1 && ! IDENT_CHAR ((unsigned char) src[2])) |
d4845d57 | 1098 | { |
e46fee70 | 1099 | if (l1 == 's') |
d4845d57 JR |
1100 | { |
1101 | *mode = A_REG_N; | |
1102 | *reg = 8; | |
252b5132 RH |
1103 | return 2; |
1104 | } | |
e46fee70 | 1105 | if (l1 == 'x') |
d4845d57 JR |
1106 | { |
1107 | *mode = A_REG_N; | |
1108 | *reg = 8; | |
1109 | return 2; | |
1110 | } | |
e46fee70 | 1111 | if (l1 == 'y') |
d4845d57 JR |
1112 | { |
1113 | *mode = A_REG_N; | |
1114 | *reg = 9; | |
1115 | return 2; | |
1116 | } | |
1117 | } | |
1118 | ||
e46fee70 | 1119 | if (l0 == 'x' && l1 >= '0' && l1 <= '1' |
dead1419 | 1120 | && ! IDENT_CHAR ((unsigned char) src[2])) |
d4845d57 JR |
1121 | { |
1122 | *mode = DSP_REG_N; | |
e46fee70 | 1123 | *reg = A_X0_NUM + l1 - '0'; |
d4845d57 JR |
1124 | return 2; |
1125 | } | |
1126 | ||
e46fee70 | 1127 | if (l0 == 'y' && l1 >= '0' && l1 <= '1' |
dead1419 | 1128 | && ! IDENT_CHAR ((unsigned char) src[2])) |
d4845d57 JR |
1129 | { |
1130 | *mode = DSP_REG_N; | |
e46fee70 | 1131 | *reg = A_Y0_NUM + l1 - '0'; |
d4845d57 JR |
1132 | return 2; |
1133 | } | |
1134 | ||
e46fee70 | 1135 | if (l0 == 'm' && l1 >= '0' && l1 <= '1' |
dead1419 | 1136 | && ! IDENT_CHAR ((unsigned char) src[2])) |
d4845d57 JR |
1137 | { |
1138 | *mode = DSP_REG_N; | |
e46fee70 | 1139 | *reg = l1 == '0' ? A_M0_NUM : A_M1_NUM; |
d4845d57 | 1140 | return 2; |
252b5132 RH |
1141 | } |
1142 | ||
e46fee70 HPN |
1143 | if (l0 == 's' |
1144 | && l1 == 's' | |
3882b010 | 1145 | && TOLOWER (src[2]) == 'r' && ! IDENT_CHAR ((unsigned char) src[3])) |
252b5132 RH |
1146 | { |
1147 | *mode = A_SSR; | |
1148 | return 3; | |
1149 | } | |
1150 | ||
3882b010 | 1151 | if (l0 == 's' && l1 == 'p' && TOLOWER (src[2]) == 'c' |
dead1419 | 1152 | && ! IDENT_CHAR ((unsigned char) src[3])) |
252b5132 RH |
1153 | { |
1154 | *mode = A_SPC; | |
1155 | return 3; | |
1156 | } | |
1157 | ||
3882b010 | 1158 | if (l0 == 's' && l1 == 'g' && TOLOWER (src[2]) == 'r' |
dead1419 | 1159 | && ! IDENT_CHAR ((unsigned char) src[3])) |
252b5132 RH |
1160 | { |
1161 | *mode = A_SGR; | |
1162 | return 3; | |
1163 | } | |
1164 | ||
3882b010 | 1165 | if (l0 == 'd' && l1 == 's' && TOLOWER (src[2]) == 'r' |
dead1419 | 1166 | && ! IDENT_CHAR ((unsigned char) src[3])) |
d4845d57 JR |
1167 | { |
1168 | *mode = A_DSR; | |
1169 | return 3; | |
1170 | } | |
1171 | ||
3882b010 | 1172 | if (l0 == 'd' && l1 == 'b' && TOLOWER (src[2]) == 'r' |
dead1419 | 1173 | && ! IDENT_CHAR ((unsigned char) src[3])) |
252b5132 RH |
1174 | { |
1175 | *mode = A_DBR; | |
1176 | return 3; | |
1177 | } | |
1178 | ||
e46fee70 | 1179 | if (l0 == 's' && l1 == 'r' && ! IDENT_CHAR ((unsigned char) src[2])) |
252b5132 RH |
1180 | { |
1181 | *mode = A_SR; | |
1182 | return 2; | |
1183 | } | |
1184 | ||
e46fee70 | 1185 | if (l0 == 's' && l1 == 'p' && ! IDENT_CHAR ((unsigned char) src[2])) |
252b5132 RH |
1186 | { |
1187 | *mode = A_REG_N; | |
1188 | *reg = 15; | |
1189 | return 2; | |
1190 | } | |
1191 | ||
e46fee70 | 1192 | if (l0 == 'p' && l1 == 'r' && ! IDENT_CHAR ((unsigned char) src[2])) |
252b5132 RH |
1193 | { |
1194 | *mode = A_PR; | |
1195 | return 2; | |
1196 | } | |
e46fee70 | 1197 | if (l0 == 'p' && l1 == 'c' && ! IDENT_CHAR ((unsigned char) src[2])) |
252b5132 | 1198 | { |
015551fc JR |
1199 | /* Don't use A_DISP_PC here - that would accept stuff like 'mova pc,r0' |
1200 | and use an uninitialized immediate. */ | |
1201 | *mode = A_PC; | |
252b5132 RH |
1202 | return 2; |
1203 | } | |
3882b010 | 1204 | if (l0 == 'g' && l1 == 'b' && TOLOWER (src[2]) == 'r' |
dead1419 | 1205 | && ! IDENT_CHAR ((unsigned char) src[3])) |
252b5132 RH |
1206 | { |
1207 | *mode = A_GBR; | |
1208 | return 3; | |
1209 | } | |
3882b010 | 1210 | if (l0 == 'v' && l1 == 'b' && TOLOWER (src[2]) == 'r' |
dead1419 | 1211 | && ! IDENT_CHAR ((unsigned char) src[3])) |
252b5132 RH |
1212 | { |
1213 | *mode = A_VBR; | |
1214 | return 3; | |
1215 | } | |
1216 | ||
1d70c7fb AO |
1217 | if (l0 == 't' && l1 == 'b' && TOLOWER (src[2]) == 'r' |
1218 | && ! IDENT_CHAR ((unsigned char) src[3])) | |
1219 | { | |
1220 | *mode = A_TBR; | |
1221 | return 3; | |
1222 | } | |
3882b010 | 1223 | if (l0 == 'm' && l1 == 'a' && TOLOWER (src[2]) == 'c' |
dead1419 | 1224 | && ! IDENT_CHAR ((unsigned char) src[4])) |
252b5132 | 1225 | { |
3882b010 | 1226 | if (TOLOWER (src[3]) == 'l') |
252b5132 RH |
1227 | { |
1228 | *mode = A_MACL; | |
1229 | return 4; | |
1230 | } | |
3882b010 | 1231 | if (TOLOWER (src[3]) == 'h') |
252b5132 RH |
1232 | { |
1233 | *mode = A_MACH; | |
1234 | return 4; | |
1235 | } | |
1236 | } | |
3882b010 | 1237 | if (l0 == 'm' && l1 == 'o' && TOLOWER (src[2]) == 'd' |
912a07db | 1238 | && ! IDENT_CHAR ((unsigned char) src[3])) |
d4845d57 JR |
1239 | { |
1240 | *mode = A_MOD; | |
1241 | return 3; | |
1242 | } | |
e46fee70 | 1243 | if (l0 == 'f' && l1 == 'r') |
252b5132 RH |
1244 | { |
1245 | if (src[2] == '1') | |
1246 | { | |
1247 | if (src[3] >= '0' && src[3] <= '5' | |
dead1419 | 1248 | && ! IDENT_CHAR ((unsigned char) src[4])) |
252b5132 RH |
1249 | { |
1250 | *mode = F_REG_N; | |
1251 | *reg = 10 + src[3] - '0'; | |
1252 | return 4; | |
1253 | } | |
1254 | } | |
1255 | if (src[2] >= '0' && src[2] <= '9' | |
dead1419 | 1256 | && ! IDENT_CHAR ((unsigned char) src[3])) |
252b5132 RH |
1257 | { |
1258 | *mode = F_REG_N; | |
1259 | *reg = (src[2] - '0'); | |
1260 | return 3; | |
1261 | } | |
1262 | } | |
e46fee70 | 1263 | if (l0 == 'd' && l1 == 'r') |
252b5132 RH |
1264 | { |
1265 | if (src[2] == '1') | |
1266 | { | |
1267 | if (src[3] >= '0' && src[3] <= '4' && ! ((src[3] - '0') & 1) | |
dead1419 | 1268 | && ! IDENT_CHAR ((unsigned char) src[4])) |
252b5132 RH |
1269 | { |
1270 | *mode = D_REG_N; | |
1271 | *reg = 10 + src[3] - '0'; | |
1272 | return 4; | |
1273 | } | |
1274 | } | |
1275 | if (src[2] >= '0' && src[2] <= '8' && ! ((src[2] - '0') & 1) | |
dead1419 | 1276 | && ! IDENT_CHAR ((unsigned char) src[3])) |
252b5132 RH |
1277 | { |
1278 | *mode = D_REG_N; | |
1279 | *reg = (src[2] - '0'); | |
1280 | return 3; | |
1281 | } | |
1282 | } | |
e46fee70 | 1283 | if (l0 == 'x' && l1 == 'd') |
252b5132 RH |
1284 | { |
1285 | if (src[2] == '1') | |
1286 | { | |
1287 | if (src[3] >= '0' && src[3] <= '4' && ! ((src[3] - '0') & 1) | |
dead1419 | 1288 | && ! IDENT_CHAR ((unsigned char) src[4])) |
252b5132 RH |
1289 | { |
1290 | *mode = X_REG_N; | |
1291 | *reg = 11 + src[3] - '0'; | |
1292 | return 4; | |
1293 | } | |
1294 | } | |
1295 | if (src[2] >= '0' && src[2] <= '8' && ! ((src[2] - '0') & 1) | |
dead1419 | 1296 | && ! IDENT_CHAR ((unsigned char) src[3])) |
252b5132 RH |
1297 | { |
1298 | *mode = X_REG_N; | |
1299 | *reg = (src[2] - '0') + 1; | |
1300 | return 3; | |
1301 | } | |
1302 | } | |
e46fee70 | 1303 | if (l0 == 'f' && l1 == 'v') |
252b5132 | 1304 | { |
dead1419 | 1305 | if (src[2] == '1'&& src[3] == '2' && ! IDENT_CHAR ((unsigned char) src[4])) |
252b5132 RH |
1306 | { |
1307 | *mode = V_REG_N; | |
1308 | *reg = 12; | |
1309 | return 4; | |
1310 | } | |
1311 | if ((src[2] == '0' || src[2] == '4' || src[2] == '8') | |
dead1419 | 1312 | && ! IDENT_CHAR ((unsigned char) src[3])) |
252b5132 RH |
1313 | { |
1314 | *mode = V_REG_N; | |
1315 | *reg = (src[2] - '0'); | |
1316 | return 3; | |
1317 | } | |
1318 | } | |
3882b010 L |
1319 | if (l0 == 'f' && l1 == 'p' && TOLOWER (src[2]) == 'u' |
1320 | && TOLOWER (src[3]) == 'l' | |
dead1419 | 1321 | && ! IDENT_CHAR ((unsigned char) src[4])) |
252b5132 RH |
1322 | { |
1323 | *mode = FPUL_N; | |
1324 | return 4; | |
1325 | } | |
1326 | ||
3882b010 L |
1327 | if (l0 == 'f' && l1 == 'p' && TOLOWER (src[2]) == 's' |
1328 | && TOLOWER (src[3]) == 'c' | |
1329 | && TOLOWER (src[4]) == 'r' && ! IDENT_CHAR ((unsigned char) src[5])) | |
252b5132 RH |
1330 | { |
1331 | *mode = FPSCR_N; | |
1332 | return 5; | |
1333 | } | |
1334 | ||
3882b010 L |
1335 | if (l0 == 'x' && l1 == 'm' && TOLOWER (src[2]) == 't' |
1336 | && TOLOWER (src[3]) == 'r' | |
1337 | && TOLOWER (src[4]) == 'x' && ! IDENT_CHAR ((unsigned char) src[5])) | |
252b5132 RH |
1338 | { |
1339 | *mode = XMTRX_M4; | |
1340 | return 5; | |
1341 | } | |
1342 | ||
1343 | return 0; | |
1344 | } | |
1345 | ||
37dedf66 NC |
1346 | /* Like parse_reg_without_prefix, but this version supports |
1347 | $-prefixed register names if enabled by the user. */ | |
1348 | ||
1349 | static unsigned int | |
1350 | parse_reg (char *src, int *mode, int *reg) | |
1351 | { | |
1352 | unsigned int prefix; | |
1353 | unsigned int consumed; | |
1354 | ||
1355 | if (src[0] == '$') | |
1356 | { | |
1357 | if (allow_dollar_register_prefix) | |
1358 | { | |
1359 | src ++; | |
1360 | prefix = 1; | |
1361 | } | |
1362 | else | |
1363 | return 0; | |
1364 | } | |
1365 | else | |
1366 | prefix = 0; | |
1367 | ||
1368 | consumed = parse_reg_without_prefix (src, mode, reg); | |
1369 | ||
1370 | if (consumed == 0) | |
1371 | return 0; | |
1372 | ||
1373 | return consumed + prefix; | |
1374 | } | |
1375 | ||
c4aa876b | 1376 | static char * |
8edc77b9 | 1377 | parse_exp (char *s, sh_operand_info *op) |
252b5132 RH |
1378 | { |
1379 | char *save; | |
d3ce72d0 | 1380 | char *new_pointer; |
252b5132 RH |
1381 | |
1382 | save = input_line_pointer; | |
1383 | input_line_pointer = s; | |
015551fc JR |
1384 | expression (&op->immediate); |
1385 | if (op->immediate.X_op == O_absent) | |
252b5132 | 1386 | as_bad (_("missing operand")); |
d3ce72d0 | 1387 | new_pointer = input_line_pointer; |
252b5132 | 1388 | input_line_pointer = save; |
d3ce72d0 | 1389 | return new_pointer; |
252b5132 RH |
1390 | } |
1391 | ||
252b5132 RH |
1392 | /* The many forms of operand: |
1393 | ||
1394 | Rn Register direct | |
1395 | @Rn Register indirect | |
1396 | @Rn+ Autoincrement | |
1397 | @-Rn Autodecrement | |
1398 | @(disp:4,Rn) | |
1399 | @(disp:8,GBR) | |
1400 | @(disp:8,PC) | |
1401 | ||
1402 | @(R0,Rn) | |
1403 | @(R0,GBR) | |
1404 | ||
1405 | disp:8 | |
1406 | disp:12 | |
1407 | #imm8 | |
1408 | pr, gbr, vbr, macl, mach | |
252b5132 RH |
1409 | */ |
1410 | ||
c4aa876b | 1411 | static char * |
8edc77b9 | 1412 | parse_at (char *src, sh_operand_info *op) |
252b5132 RH |
1413 | { |
1414 | int len; | |
1415 | int mode; | |
1416 | src++; | |
1d70c7fb AO |
1417 | if (src[0] == '@') |
1418 | { | |
1419 | src = parse_at (src, op); | |
1420 | if (op->type == A_DISP_TBR) | |
1421 | op->type = A_DISP2_TBR; | |
1422 | else | |
1423 | as_bad (_("illegal double indirection")); | |
1424 | } | |
1425 | else if (src[0] == '-') | |
252b5132 | 1426 | { |
6b31947e | 1427 | /* Must be predecrement. */ |
252b5132 RH |
1428 | src++; |
1429 | ||
1430 | len = parse_reg (src, &mode, &(op->reg)); | |
1431 | if (mode != A_REG_N) | |
1432 | as_bad (_("illegal register after @-")); | |
1433 | ||
1434 | op->type = A_DEC_N; | |
1435 | src += len; | |
1436 | } | |
1437 | else if (src[0] == '(') | |
1438 | { | |
1439 | /* Could be @(disp, rn), @(disp, gbr), @(disp, pc), @(r0, gbr) or | |
8d4d84c2 | 1440 | @(r0, rn). */ |
252b5132 RH |
1441 | src++; |
1442 | len = parse_reg (src, &mode, &(op->reg)); | |
1443 | if (len && mode == A_REG_N) | |
1444 | { | |
1445 | src += len; | |
1446 | if (op->reg != 0) | |
1447 | { | |
1448 | as_bad (_("must be @(r0,...)")); | |
1449 | } | |
1450 | if (src[0] == ',') | |
252b5132 | 1451 | { |
8d4d84c2 AO |
1452 | src++; |
1453 | /* Now can be rn or gbr. */ | |
1454 | len = parse_reg (src, &mode, &(op->reg)); | |
1455 | } | |
1456 | else | |
1457 | { | |
1458 | len = 0; | |
252b5132 | 1459 | } |
8d4d84c2 | 1460 | if (len) |
252b5132 | 1461 | { |
8d4d84c2 AO |
1462 | if (mode == A_GBR) |
1463 | { | |
1464 | op->type = A_R0_GBR; | |
1465 | } | |
1466 | else if (mode == A_REG_N) | |
1467 | { | |
1468 | op->type = A_IND_R0_REG_N; | |
1469 | } | |
1470 | else | |
1471 | { | |
1472 | as_bad (_("syntax error in @(r0,...)")); | |
1473 | } | |
252b5132 RH |
1474 | } |
1475 | else | |
1476 | { | |
8d4d84c2 | 1477 | as_bad (_("syntax error in @(r0...)")); |
252b5132 RH |
1478 | } |
1479 | } | |
1480 | else | |
1481 | { | |
8d4d84c2 | 1482 | /* Must be an @(disp,.. thing). */ |
015551fc | 1483 | src = parse_exp (src, op); |
252b5132 RH |
1484 | if (src[0] == ',') |
1485 | src++; | |
8d4d84c2 | 1486 | /* Now can be rn, gbr or pc. */ |
252b5132 RH |
1487 | len = parse_reg (src, &mode, &op->reg); |
1488 | if (len) | |
1489 | { | |
1490 | if (mode == A_REG_N) | |
1491 | { | |
1492 | op->type = A_DISP_REG_N; | |
1493 | } | |
1494 | else if (mode == A_GBR) | |
1495 | { | |
1496 | op->type = A_DISP_GBR; | |
1497 | } | |
1d70c7fb AO |
1498 | else if (mode == A_TBR) |
1499 | { | |
1500 | op->type = A_DISP_TBR; | |
1501 | } | |
015551fc | 1502 | else if (mode == A_PC) |
252b5132 | 1503 | { |
dbb4348d JR |
1504 | /* We want @(expr, pc) to uniformly address . + expr, |
1505 | no matter if expr is a constant, or a more complex | |
1506 | expression, e.g. sym-. or sym1-sym2. | |
1507 | However, we also used to accept @(sym,pc) | |
67c1ffbe | 1508 | as addressing sym, i.e. meaning the same as plain sym. |
dbb4348d JR |
1509 | Some existing code does use the @(sym,pc) syntax, so |
1510 | we give it the old semantics for now, but warn about | |
1511 | its use, so that users have some time to fix their code. | |
1512 | ||
1513 | Note that due to this backward compatibility hack, | |
1514 | we'll get unexpected results when @(offset, pc) is used, | |
1515 | and offset is a symbol that is set later to an an address | |
1516 | difference, or an external symbol that is set to an | |
1517 | address difference in another source file, so we want to | |
1518 | eventually remove it. */ | |
9691d64f JR |
1519 | if (op->immediate.X_op == O_symbol) |
1520 | { | |
1521 | op->type = A_DISP_PC; | |
1522 | as_warn (_("Deprecated syntax.")); | |
1523 | } | |
1524 | else | |
1525 | { | |
1526 | op->type = A_DISP_PC_ABS; | |
1527 | /* Such operands don't get corrected for PC==.+4, so | |
1528 | make the correction here. */ | |
1529 | op->immediate.X_add_number -= 4; | |
1530 | } | |
252b5132 RH |
1531 | } |
1532 | else | |
1533 | { | |
1534 | as_bad (_("syntax error in @(disp,[Rn, gbr, pc])")); | |
1535 | } | |
1536 | } | |
1537 | else | |
1538 | { | |
1539 | as_bad (_("syntax error in @(disp,[Rn, gbr, pc])")); | |
1540 | } | |
1541 | } | |
1542 | src += len; | |
1543 | if (src[0] != ')') | |
1544 | as_bad (_("expecting )")); | |
1545 | else | |
1546 | src++; | |
1547 | } | |
1548 | else | |
1549 | { | |
1550 | src += parse_reg (src, &mode, &(op->reg)); | |
1551 | if (mode != A_REG_N) | |
006299d3 NC |
1552 | as_bad (_("illegal register after @")); |
1553 | ||
252b5132 RH |
1554 | if (src[0] == '+') |
1555 | { | |
1000a02a NC |
1556 | char l0, l1; |
1557 | ||
252b5132 | 1558 | src++; |
1000a02a NC |
1559 | l0 = TOLOWER (src[0]); |
1560 | l1 = TOLOWER (src[1]); | |
1561 | ||
1562 | if ((l0 == 'r' && l1 == '8') | |
1563 | || (l0 == 'i' && (l1 == 'x' || l1 == 's'))) | |
d4845d57 JR |
1564 | { |
1565 | src += 2; | |
88da98f3 | 1566 | op->type = AX_PMOD_N; |
d4845d57 | 1567 | } |
006299d3 NC |
1568 | else if ( (l0 == 'r' && l1 == '9') |
1569 | || (l0 == 'i' && l1 == 'y')) | |
d4845d57 JR |
1570 | { |
1571 | src += 2; | |
88da98f3 | 1572 | op->type = AY_PMOD_N; |
d4845d57 JR |
1573 | } |
1574 | else | |
1575 | op->type = A_INC_N; | |
252b5132 RH |
1576 | } |
1577 | else | |
006299d3 | 1578 | op->type = A_IND_N; |
252b5132 RH |
1579 | } |
1580 | return src; | |
1581 | } | |
1582 | ||
1583 | static void | |
8edc77b9 | 1584 | get_operand (char **ptr, sh_operand_info *op) |
252b5132 RH |
1585 | { |
1586 | char *src = *ptr; | |
1587 | int mode = -1; | |
1588 | unsigned int len; | |
1589 | ||
1590 | if (src[0] == '#') | |
1591 | { | |
1592 | src++; | |
015551fc | 1593 | *ptr = parse_exp (src, op); |
252b5132 RH |
1594 | op->type = A_IMM; |
1595 | return; | |
1596 | } | |
1597 | ||
1598 | else if (src[0] == '@') | |
1599 | { | |
1600 | *ptr = parse_at (src, op); | |
1601 | return; | |
1602 | } | |
1603 | len = parse_reg (src, &mode, &(op->reg)); | |
1604 | if (len) | |
1605 | { | |
1606 | *ptr = src + len; | |
1607 | op->type = mode; | |
1608 | return; | |
1609 | } | |
1610 | else | |
1611 | { | |
6b31947e | 1612 | /* Not a reg, the only thing left is a displacement. */ |
015551fc | 1613 | *ptr = parse_exp (src, op); |
252b5132 RH |
1614 | op->type = A_DISP_PC; |
1615 | return; | |
1616 | } | |
1617 | } | |
1618 | ||
c4aa876b | 1619 | static char * |
8edc77b9 | 1620 | get_operands (sh_opcode_info *info, char *args, sh_operand_info *operand) |
252b5132 RH |
1621 | { |
1622 | char *ptr = args; | |
1623 | if (info->arg[0]) | |
1624 | { | |
d4845d57 JR |
1625 | /* The pre-processor will eliminate whitespace in front of '@' |
1626 | after the first argument; we may be called multiple times | |
1627 | from assemble_ppi, so don't insist on finding whitespace here. */ | |
1628 | if (*ptr == ' ') | |
1629 | ptr++; | |
252b5132 RH |
1630 | |
1631 | get_operand (&ptr, operand + 0); | |
1632 | if (info->arg[1]) | |
1633 | { | |
1634 | if (*ptr == ',') | |
1635 | { | |
1636 | ptr++; | |
1637 | } | |
1638 | get_operand (&ptr, operand + 1); | |
52ccafd0 JR |
1639 | /* ??? Hack: psha/pshl have a varying operand number depending on |
1640 | the type of the first operand. We handle this by having the | |
1641 | three-operand version first and reducing the number of operands | |
1642 | parsed to two if we see that the first operand is an immediate. | |
1643 | This works because no insn with three operands has an immediate | |
1644 | as first operand. */ | |
1645 | if (info->arg[2] && operand[0].type != A_IMM) | |
252b5132 RH |
1646 | { |
1647 | if (*ptr == ',') | |
1648 | { | |
1649 | ptr++; | |
1650 | } | |
1651 | get_operand (&ptr, operand + 2); | |
1652 | } | |
1653 | else | |
1654 | { | |
1655 | operand[2].type = 0; | |
1656 | } | |
1657 | } | |
1658 | else | |
1659 | { | |
1660 | operand[1].type = 0; | |
1661 | operand[2].type = 0; | |
1662 | } | |
1663 | } | |
1664 | else | |
1665 | { | |
1666 | operand[0].type = 0; | |
1667 | operand[1].type = 0; | |
1668 | operand[2].type = 0; | |
1669 | } | |
1670 | return ptr; | |
1671 | } | |
1672 | ||
1673 | /* Passed a pointer to a list of opcodes which use different | |
1674 | addressing modes, return the opcode which matches the opcodes | |
6b31947e | 1675 | provided. */ |
252b5132 | 1676 | |
c4aa876b | 1677 | static sh_opcode_info * |
8edc77b9 | 1678 | get_specific (sh_opcode_info *opcode, sh_operand_info *operands) |
252b5132 RH |
1679 | { |
1680 | sh_opcode_info *this_try = opcode; | |
1681 | char *name = opcode->name; | |
1682 | int n = 0; | |
c4aa876b | 1683 | |
252b5132 RH |
1684 | while (opcode->name) |
1685 | { | |
1686 | this_try = opcode++; | |
5ff37431 | 1687 | if ((this_try->name != name) && (strcmp (this_try->name, name) != 0)) |
252b5132 RH |
1688 | { |
1689 | /* We've looked so far down the table that we've run out of | |
6b31947e | 1690 | opcodes with the same name. */ |
252b5132 RH |
1691 | return 0; |
1692 | } | |
c4aa876b | 1693 | |
6b31947e | 1694 | /* Look at both operands needed by the opcodes and provided by |
252b5132 RH |
1695 | the user - since an arg test will often fail on the same arg |
1696 | again and again, we'll try and test the last failing arg the | |
6b31947e | 1697 | first on each opcode try. */ |
252b5132 RH |
1698 | for (n = 0; this_try->arg[n]; n++) |
1699 | { | |
1700 | sh_operand_info *user = operands + n; | |
1701 | sh_arg_type arg = this_try->arg[n]; | |
c4aa876b | 1702 | |
252b5132 RH |
1703 | switch (arg) |
1704 | { | |
7679ead9 AO |
1705 | case A_DISP_PC: |
1706 | if (user->type == A_DISP_PC_ABS) | |
1707 | break; | |
1708 | /* Fall through. */ | |
252b5132 RH |
1709 | case A_IMM: |
1710 | case A_BDISP12: | |
1711 | case A_BDISP8: | |
1712 | case A_DISP_GBR: | |
1d70c7fb | 1713 | case A_DISP2_TBR: |
252b5132 RH |
1714 | case A_MACH: |
1715 | case A_PR: | |
1716 | case A_MACL: | |
1717 | if (user->type != arg) | |
1718 | goto fail; | |
1719 | break; | |
1720 | case A_R0: | |
1721 | /* opcode needs r0 */ | |
1722 | if (user->type != A_REG_N || user->reg != 0) | |
1723 | goto fail; | |
1724 | break; | |
1725 | case A_R0_GBR: | |
1726 | if (user->type != A_R0_GBR || user->reg != 0) | |
1727 | goto fail; | |
1728 | break; | |
1729 | case F_FR0: | |
1730 | if (user->type != F_REG_N || user->reg != 0) | |
1731 | goto fail; | |
1732 | break; | |
1733 | ||
1734 | case A_REG_N: | |
1735 | case A_INC_N: | |
1736 | case A_DEC_N: | |
1737 | case A_IND_N: | |
1738 | case A_IND_R0_REG_N: | |
1739 | case A_DISP_REG_N: | |
1740 | case F_REG_N: | |
1741 | case D_REG_N: | |
1742 | case X_REG_N: | |
1743 | case V_REG_N: | |
1744 | case FPUL_N: | |
1745 | case FPSCR_N: | |
d4845d57 | 1746 | case DSP_REG_N: |
252b5132 RH |
1747 | /* Opcode needs rn */ |
1748 | if (user->type != arg) | |
1749 | goto fail; | |
1750 | reg_n = user->reg; | |
1751 | break; | |
252b5132 RH |
1752 | case DX_REG_N: |
1753 | if (user->type != D_REG_N && user->type != X_REG_N) | |
1754 | goto fail; | |
1755 | reg_n = user->reg; | |
1756 | break; | |
1757 | case A_GBR: | |
1d70c7fb | 1758 | case A_TBR: |
252b5132 RH |
1759 | case A_SR: |
1760 | case A_VBR: | |
d4845d57 JR |
1761 | case A_DSR: |
1762 | case A_MOD: | |
1763 | case A_RE: | |
1764 | case A_RS: | |
252b5132 RH |
1765 | case A_SSR: |
1766 | case A_SPC: | |
1767 | case A_SGR: | |
1768 | case A_DBR: | |
1769 | if (user->type != arg) | |
1770 | goto fail; | |
1771 | break; | |
1772 | ||
c4aa876b | 1773 | case A_REG_B: |
252b5132 RH |
1774 | if (user->type != arg) |
1775 | goto fail; | |
1776 | reg_b = user->reg; | |
1777 | break; | |
1778 | ||
1d70c7fb AO |
1779 | case A_INC_R15: |
1780 | if (user->type != A_INC_N) | |
1781 | goto fail; | |
1782 | if (user->reg != 15) | |
1783 | goto fail; | |
1784 | reg_n = user->reg; | |
1785 | break; | |
1786 | ||
1787 | case A_DEC_R15: | |
1788 | if (user->type != A_DEC_N) | |
1789 | goto fail; | |
1790 | if (user->reg != 15) | |
1791 | goto fail; | |
1792 | reg_n = user->reg; | |
1793 | break; | |
1794 | ||
252b5132 RH |
1795 | case A_REG_M: |
1796 | case A_INC_M: | |
1797 | case A_DEC_M: | |
1798 | case A_IND_M: | |
1799 | case A_IND_R0_REG_M: | |
1800 | case A_DISP_REG_M: | |
d4845d57 | 1801 | case DSP_REG_M: |
252b5132 RH |
1802 | /* Opcode needs rn */ |
1803 | if (user->type != arg - A_REG_M + A_REG_N) | |
1804 | goto fail; | |
1805 | reg_m = user->reg; | |
1806 | break; | |
1807 | ||
88da98f3 MS |
1808 | case AS_DEC_N: |
1809 | if (user->type != A_DEC_N) | |
1810 | goto fail; | |
1811 | if (user->reg < 2 || user->reg > 5) | |
1812 | goto fail; | |
1813 | reg_n = user->reg; | |
1814 | break; | |
13ef8878 | 1815 | |
88da98f3 MS |
1816 | case AS_INC_N: |
1817 | if (user->type != A_INC_N) | |
1818 | goto fail; | |
1819 | if (user->reg < 2 || user->reg > 5) | |
1820 | goto fail; | |
1821 | reg_n = user->reg; | |
1822 | break; | |
13ef8878 | 1823 | |
88da98f3 MS |
1824 | case AS_IND_N: |
1825 | if (user->type != A_IND_N) | |
1826 | goto fail; | |
1827 | if (user->reg < 2 || user->reg > 5) | |
1828 | goto fail; | |
1829 | reg_n = user->reg; | |
1830 | break; | |
13ef8878 | 1831 | |
88da98f3 MS |
1832 | case AS_PMOD_N: |
1833 | if (user->type != AX_PMOD_N) | |
1834 | goto fail; | |
1835 | if (user->reg < 2 || user->reg > 5) | |
1836 | goto fail; | |
1837 | reg_n = user->reg; | |
1838 | break; | |
13ef8878 | 1839 | |
88da98f3 MS |
1840 | case AX_INC_N: |
1841 | if (user->type != A_INC_N) | |
1842 | goto fail; | |
1843 | if (user->reg < 4 || user->reg > 5) | |
1844 | goto fail; | |
1845 | reg_n = user->reg; | |
1846 | break; | |
13ef8878 | 1847 | |
88da98f3 MS |
1848 | case AX_IND_N: |
1849 | if (user->type != A_IND_N) | |
1850 | goto fail; | |
1851 | if (user->reg < 4 || user->reg > 5) | |
1852 | goto fail; | |
1853 | reg_n = user->reg; | |
1854 | break; | |
13ef8878 | 1855 | |
88da98f3 MS |
1856 | case AX_PMOD_N: |
1857 | if (user->type != AX_PMOD_N) | |
1858 | goto fail; | |
1859 | if (user->reg < 4 || user->reg > 5) | |
1860 | goto fail; | |
1861 | reg_n = user->reg; | |
1862 | break; | |
13ef8878 | 1863 | |
88da98f3 MS |
1864 | case AXY_INC_N: |
1865 | if (user->type != A_INC_N) | |
1866 | goto fail; | |
1867 | if ((user->reg < 4 || user->reg > 5) | |
1868 | && (user->reg < 0 || user->reg > 1)) | |
1869 | goto fail; | |
1870 | reg_n = user->reg; | |
1871 | break; | |
13ef8878 | 1872 | |
88da98f3 MS |
1873 | case AXY_IND_N: |
1874 | if (user->type != A_IND_N) | |
1875 | goto fail; | |
1876 | if ((user->reg < 4 || user->reg > 5) | |
1877 | && (user->reg < 0 || user->reg > 1)) | |
1878 | goto fail; | |
1879 | reg_n = user->reg; | |
1880 | break; | |
13ef8878 | 1881 | |
88da98f3 MS |
1882 | case AXY_PMOD_N: |
1883 | if (user->type != AX_PMOD_N) | |
1884 | goto fail; | |
1885 | if ((user->reg < 4 || user->reg > 5) | |
1886 | && (user->reg < 0 || user->reg > 1)) | |
1887 | goto fail; | |
1888 | reg_n = user->reg; | |
1889 | break; | |
13ef8878 | 1890 | |
88da98f3 MS |
1891 | case AY_INC_N: |
1892 | if (user->type != A_INC_N) | |
1893 | goto fail; | |
1894 | if (user->reg < 6 || user->reg > 7) | |
1895 | goto fail; | |
1896 | reg_n = user->reg; | |
1897 | break; | |
13ef8878 | 1898 | |
88da98f3 MS |
1899 | case AY_IND_N: |
1900 | if (user->type != A_IND_N) | |
1901 | goto fail; | |
1902 | if (user->reg < 6 || user->reg > 7) | |
1903 | goto fail; | |
1904 | reg_n = user->reg; | |
1905 | break; | |
13ef8878 | 1906 | |
88da98f3 MS |
1907 | case AY_PMOD_N: |
1908 | if (user->type != AY_PMOD_N) | |
1909 | goto fail; | |
1910 | if (user->reg < 6 || user->reg > 7) | |
1911 | goto fail; | |
1912 | reg_n = user->reg; | |
1913 | break; | |
1914 | ||
1915 | case AYX_INC_N: | |
1916 | if (user->type != A_INC_N) | |
1917 | goto fail; | |
1918 | if ((user->reg < 6 || user->reg > 7) | |
1919 | && (user->reg < 2 || user->reg > 3)) | |
1920 | goto fail; | |
1921 | reg_n = user->reg; | |
1922 | break; | |
13ef8878 | 1923 | |
88da98f3 MS |
1924 | case AYX_IND_N: |
1925 | if (user->type != A_IND_N) | |
1926 | goto fail; | |
1927 | if ((user->reg < 6 || user->reg > 7) | |
1928 | && (user->reg < 2 || user->reg > 3)) | |
1929 | goto fail; | |
1930 | reg_n = user->reg; | |
1931 | break; | |
13ef8878 | 1932 | |
88da98f3 MS |
1933 | case AYX_PMOD_N: |
1934 | if (user->type != AY_PMOD_N) | |
1935 | goto fail; | |
1936 | if ((user->reg < 6 || user->reg > 7) | |
1937 | && (user->reg < 2 || user->reg > 3)) | |
1938 | goto fail; | |
1939 | reg_n = user->reg; | |
1940 | break; | |
1941 | ||
1942 | case DSP_REG_A_M: | |
1943 | if (user->type != DSP_REG_N) | |
1944 | goto fail; | |
1945 | if (user->reg != A_A0_NUM | |
1946 | && user->reg != A_A1_NUM) | |
1947 | goto fail; | |
1948 | reg_m = user->reg; | |
1949 | break; | |
1950 | ||
1951 | case DSP_REG_AX: | |
1952 | if (user->type != DSP_REG_N) | |
1953 | goto fail; | |
1954 | switch (user->reg) | |
1955 | { | |
1956 | case A_A0_NUM: | |
1957 | reg_x = 0; | |
1958 | break; | |
1959 | case A_A1_NUM: | |
1960 | reg_x = 2; | |
1961 | break; | |
1962 | case A_X0_NUM: | |
1963 | reg_x = 1; | |
1964 | break; | |
1965 | case A_X1_NUM: | |
1966 | reg_x = 3; | |
1967 | break; | |
1968 | default: | |
1969 | goto fail; | |
1970 | } | |
1971 | break; | |
1972 | ||
1973 | case DSP_REG_XY: | |
1974 | if (user->type != DSP_REG_N) | |
1975 | goto fail; | |
1976 | switch (user->reg) | |
1977 | { | |
1978 | case A_X0_NUM: | |
1979 | reg_x = 0; | |
1980 | break; | |
1981 | case A_X1_NUM: | |
1982 | reg_x = 2; | |
1983 | break; | |
1984 | case A_Y0_NUM: | |
1985 | reg_x = 1; | |
1986 | break; | |
1987 | case A_Y1_NUM: | |
1988 | reg_x = 3; | |
1989 | break; | |
1990 | default: | |
1991 | goto fail; | |
1992 | } | |
1993 | break; | |
1994 | ||
1995 | case DSP_REG_AY: | |
1996 | if (user->type != DSP_REG_N) | |
1997 | goto fail; | |
1998 | switch (user->reg) | |
1999 | { | |
2000 | case A_A0_NUM: | |
2001 | reg_y = 0; | |
2002 | break; | |
2003 | case A_A1_NUM: | |
2004 | reg_y = 1; | |
2005 | break; | |
2006 | case A_Y0_NUM: | |
2007 | reg_y = 2; | |
2008 | break; | |
2009 | case A_Y1_NUM: | |
2010 | reg_y = 3; | |
2011 | break; | |
2012 | default: | |
2013 | goto fail; | |
2014 | } | |
2015 | break; | |
2016 | ||
2017 | case DSP_REG_YX: | |
2018 | if (user->type != DSP_REG_N) | |
2019 | goto fail; | |
2020 | switch (user->reg) | |
2021 | { | |
2022 | case A_Y0_NUM: | |
2023 | reg_y = 0; | |
2024 | break; | |
2025 | case A_Y1_NUM: | |
2026 | reg_y = 1; | |
2027 | break; | |
2028 | case A_X0_NUM: | |
2029 | reg_y = 2; | |
2030 | break; | |
2031 | case A_X1_NUM: | |
2032 | reg_y = 3; | |
2033 | break; | |
2034 | default: | |
2035 | goto fail; | |
2036 | } | |
2037 | break; | |
2038 | ||
d4845d57 JR |
2039 | case DSP_REG_X: |
2040 | if (user->type != DSP_REG_N) | |
2041 | goto fail; | |
2042 | switch (user->reg) | |
2043 | { | |
2044 | case A_X0_NUM: | |
2045 | reg_x = 0; | |
2046 | break; | |
2047 | case A_X1_NUM: | |
2048 | reg_x = 1; | |
2049 | break; | |
2050 | case A_A0_NUM: | |
2051 | reg_x = 2; | |
2052 | break; | |
2053 | case A_A1_NUM: | |
2054 | reg_x = 3; | |
2055 | break; | |
2056 | default: | |
2057 | goto fail; | |
2058 | } | |
2059 | break; | |
2060 | ||
2061 | case DSP_REG_Y: | |
2062 | if (user->type != DSP_REG_N) | |
2063 | goto fail; | |
2064 | switch (user->reg) | |
2065 | { | |
2066 | case A_Y0_NUM: | |
2067 | reg_y = 0; | |
2068 | break; | |
2069 | case A_Y1_NUM: | |
2070 | reg_y = 1; | |
2071 | break; | |
2072 | case A_M0_NUM: | |
2073 | reg_y = 2; | |
2074 | break; | |
2075 | case A_M1_NUM: | |
2076 | reg_y = 3; | |
2077 | break; | |
2078 | default: | |
2079 | goto fail; | |
2080 | } | |
2081 | break; | |
2082 | ||
2083 | case DSP_REG_E: | |
2084 | if (user->type != DSP_REG_N) | |
2085 | goto fail; | |
2086 | switch (user->reg) | |
2087 | { | |
2088 | case A_X0_NUM: | |
2089 | reg_efg = 0 << 10; | |
2090 | break; | |
2091 | case A_X1_NUM: | |
2092 | reg_efg = 1 << 10; | |
2093 | break; | |
2094 | case A_Y0_NUM: | |
2095 | reg_efg = 2 << 10; | |
2096 | break; | |
2097 | case A_A1_NUM: | |
2098 | reg_efg = 3 << 10; | |
2099 | break; | |
2100 | default: | |
2101 | goto fail; | |
2102 | } | |
2103 | break; | |
2104 | ||
2105 | case DSP_REG_F: | |
2106 | if (user->type != DSP_REG_N) | |
2107 | goto fail; | |
2108 | switch (user->reg) | |
2109 | { | |
2110 | case A_Y0_NUM: | |
2111 | reg_efg |= 0 << 8; | |
2112 | break; | |
2113 | case A_Y1_NUM: | |
2114 | reg_efg |= 1 << 8; | |
2115 | break; | |
2116 | case A_X0_NUM: | |
2117 | reg_efg |= 2 << 8; | |
2118 | break; | |
2119 | case A_A1_NUM: | |
2120 | reg_efg |= 3 << 8; | |
2121 | break; | |
2122 | default: | |
2123 | goto fail; | |
2124 | } | |
2125 | break; | |
2126 | ||
2127 | case DSP_REG_G: | |
2128 | if (user->type != DSP_REG_N) | |
2129 | goto fail; | |
2130 | switch (user->reg) | |
2131 | { | |
2132 | case A_M0_NUM: | |
2133 | reg_efg |= 0 << 2; | |
2134 | break; | |
2135 | case A_M1_NUM: | |
2136 | reg_efg |= 1 << 2; | |
2137 | break; | |
2138 | case A_A0_NUM: | |
2139 | reg_efg |= 2 << 2; | |
2140 | break; | |
2141 | case A_A1_NUM: | |
2142 | reg_efg |= 3 << 2; | |
2143 | break; | |
2144 | default: | |
2145 | goto fail; | |
2146 | } | |
2147 | break; | |
2148 | ||
2149 | case A_A0: | |
2150 | if (user->type != DSP_REG_N || user->reg != A_A0_NUM) | |
2151 | goto fail; | |
2152 | break; | |
2153 | case A_X0: | |
2154 | if (user->type != DSP_REG_N || user->reg != A_X0_NUM) | |
2155 | goto fail; | |
2156 | break; | |
2157 | case A_X1: | |
2158 | if (user->type != DSP_REG_N || user->reg != A_X1_NUM) | |
2159 | goto fail; | |
2160 | break; | |
2161 | case A_Y0: | |
2162 | if (user->type != DSP_REG_N || user->reg != A_Y0_NUM) | |
2163 | goto fail; | |
2164 | break; | |
2165 | case A_Y1: | |
2166 | if (user->type != DSP_REG_N || user->reg != A_Y1_NUM) | |
2167 | goto fail; | |
2168 | break; | |
2169 | ||
252b5132 RH |
2170 | case F_REG_M: |
2171 | case D_REG_M: | |
2172 | case X_REG_M: | |
2173 | case V_REG_M: | |
2174 | case FPUL_M: | |
2175 | case FPSCR_M: | |
2176 | /* Opcode needs rn */ | |
2177 | if (user->type != arg - F_REG_M + F_REG_N) | |
2178 | goto fail; | |
2179 | reg_m = user->reg; | |
2180 | break; | |
2181 | case DX_REG_M: | |
2182 | if (user->type != D_REG_N && user->type != X_REG_N) | |
2183 | goto fail; | |
2184 | reg_m = user->reg; | |
2185 | break; | |
2186 | case XMTRX_M4: | |
2187 | if (user->type != XMTRX_M4) | |
2188 | goto fail; | |
2189 | reg_m = 4; | |
2190 | break; | |
c4aa876b | 2191 | |
252b5132 RH |
2192 | default: |
2193 | printf (_("unhandled %d\n"), arg); | |
2194 | goto fail; | |
2195 | } | |
772657e9 AS |
2196 | if (SH_MERGE_ARCH_SET_VALID (valid_arch, arch_sh2a_nofpu_up) |
2197 | && ( arg == A_DISP_REG_M | |
2198 | || arg == A_DISP_REG_N)) | |
2199 | { | |
2200 | /* Check a few key IMM* fields for overflow. */ | |
2201 | int opf; | |
2202 | long val = user->immediate.X_add_number; | |
2203 | ||
2204 | for (opf = 0; opf < 4; opf ++) | |
2205 | switch (this_try->nibbles[opf]) | |
2206 | { | |
2207 | case IMM0_4: | |
2208 | case IMM1_4: | |
2209 | if (val < 0 || val > 15) | |
2210 | goto fail; | |
2211 | break; | |
2212 | case IMM0_4BY2: | |
2213 | case IMM1_4BY2: | |
2214 | if (val < 0 || val > 15 * 2) | |
2215 | goto fail; | |
2216 | break; | |
2217 | case IMM0_4BY4: | |
2218 | case IMM1_4BY4: | |
2219 | if (val < 0 || val > 15 * 4) | |
2220 | goto fail; | |
2221 | break; | |
2222 | default: | |
2223 | break; | |
2224 | } | |
2225 | } | |
252b5132 | 2226 | } |
f6f9408f | 2227 | if ( !SH_MERGE_ARCH_SET_VALID (valid_arch, this_try->arch)) |
a37c8f88 | 2228 | goto fail; |
f6f9408f | 2229 | valid_arch = SH_MERGE_ARCH_SET (valid_arch, this_try->arch); |
252b5132 | 2230 | return this_try; |
c4aa876b NC |
2231 | fail: |
2232 | ; | |
252b5132 RH |
2233 | } |
2234 | ||
2235 | return 0; | |
2236 | } | |
2237 | ||
252b5132 | 2238 | static void |
8edc77b9 | 2239 | insert (char *where, int how, int pcrel, sh_operand_info *op) |
252b5132 RH |
2240 | { |
2241 | fix_new_exp (frag_now, | |
2242 | where - frag_now->fr_literal, | |
2243 | 2, | |
015551fc | 2244 | &op->immediate, |
252b5132 RH |
2245 | pcrel, |
2246 | how); | |
2247 | } | |
2248 | ||
1d70c7fb AO |
2249 | static void |
2250 | insert4 (char * where, int how, int pcrel, sh_operand_info * op) | |
2251 | { | |
2252 | fix_new_exp (frag_now, | |
2253 | where - frag_now->fr_literal, | |
2254 | 4, | |
2255 | & op->immediate, | |
2256 | pcrel, | |
2257 | how); | |
2258 | } | |
252b5132 | 2259 | static void |
8edc77b9 | 2260 | build_relax (sh_opcode_info *opcode, sh_operand_info *op) |
252b5132 RH |
2261 | { |
2262 | int high_byte = target_big_endian ? 0 : 1; | |
2263 | char *p; | |
2264 | ||
2265 | if (opcode->arg[0] == A_BDISP8) | |
2266 | { | |
2267 | int what = (opcode->nibbles[1] & 4) ? COND_JUMP_DELAY : COND_JUMP; | |
2268 | p = frag_var (rs_machine_dependent, | |
2269 | md_relax_table[C (what, COND32)].rlx_length, | |
2270 | md_relax_table[C (what, COND8)].rlx_length, | |
2271 | C (what, 0), | |
015551fc JR |
2272 | op->immediate.X_add_symbol, |
2273 | op->immediate.X_add_number, | |
252b5132 RH |
2274 | 0); |
2275 | p[high_byte] = (opcode->nibbles[0] << 4) | (opcode->nibbles[1]); | |
2276 | } | |
2277 | else if (opcode->arg[0] == A_BDISP12) | |
2278 | { | |
2279 | p = frag_var (rs_machine_dependent, | |
2280 | md_relax_table[C (UNCOND_JUMP, UNCOND32)].rlx_length, | |
2281 | md_relax_table[C (UNCOND_JUMP, UNCOND12)].rlx_length, | |
2282 | C (UNCOND_JUMP, 0), | |
015551fc JR |
2283 | op->immediate.X_add_symbol, |
2284 | op->immediate.X_add_number, | |
252b5132 RH |
2285 | 0); |
2286 | p[high_byte] = (opcode->nibbles[0] << 4); | |
2287 | } | |
2288 | ||
2289 | } | |
2290 | ||
6b31947e | 2291 | /* Insert ldrs & ldre with fancy relocations that relaxation can recognize. */ |
d67b5d6d | 2292 | |
015551fc | 2293 | static char * |
8edc77b9 | 2294 | insert_loop_bounds (char *output, sh_operand_info *operand) |
015551fc JR |
2295 | { |
2296 | char *name; | |
2297 | symbolS *end_sym; | |
2298 | ||
2299 | /* Since the low byte of the opcode will be overwritten by the reloc, we | |
2300 | can just stash the high byte into both bytes and ignore endianness. */ | |
2301 | output[0] = 0x8c; | |
2302 | output[1] = 0x8c; | |
2303 | insert (output, BFD_RELOC_SH_LOOP_START, 1, operand); | |
2304 | insert (output, BFD_RELOC_SH_LOOP_END, 1, operand + 1); | |
2305 | ||
2306 | if (sh_relax) | |
2307 | { | |
2308 | static int count = 0; | |
2309 | ||
2310 | /* If the last loop insn is a two-byte-insn, it is in danger of being | |
2311 | swapped with the insn after it. To prevent this, create a new | |
2312 | symbol - complete with SH_LABEL reloc - after the last loop insn. | |
2313 | If the last loop insn is four bytes long, the symbol will be | |
2314 | right in the middle, but four byte insns are not swapped anyways. */ | |
2315 | /* A REPEAT takes 6 bytes. The SH has a 32 bit address space. | |
2316 | Hence a 9 digit number should be enough to count all REPEATs. */ | |
2317 | name = alloca (11); | |
2318 | sprintf (name, "_R%x", count++ & 0x3fffffff); | |
c4aa876b | 2319 | end_sym = symbol_new (name, undefined_section, 0, &zero_address_frag); |
015551fc JR |
2320 | /* Make this a local symbol. */ |
2321 | #ifdef OBJ_COFF | |
2322 | SF_SET_LOCAL (end_sym); | |
2323 | #endif /* OBJ_COFF */ | |
2324 | symbol_table_insert (end_sym); | |
2325 | end_sym->sy_value = operand[1].immediate; | |
2326 | end_sym->sy_value.X_add_number += 2; | |
2327 | fix_new (frag_now, frag_now_fix (), 2, end_sym, 0, 1, BFD_RELOC_SH_LABEL); | |
2328 | } | |
2329 | ||
2330 | output = frag_more (2); | |
2331 | output[0] = 0x8e; | |
2332 | output[1] = 0x8e; | |
2333 | insert (output, BFD_RELOC_SH_LOOP_START, 1, operand); | |
2334 | insert (output, BFD_RELOC_SH_LOOP_END, 1, operand + 1); | |
2335 | ||
2336 | return frag_more (2); | |
2337 | } | |
2338 | ||
d67b5d6d | 2339 | /* Now we know what sort of opcodes it is, let's build the bytes. */ |
6b31947e | 2340 | |
0d10e182 | 2341 | static unsigned int |
8edc77b9 | 2342 | build_Mytes (sh_opcode_info *opcode, sh_operand_info *operand) |
252b5132 | 2343 | { |
91d6fa6a | 2344 | int indx; |
1d70c7fb AO |
2345 | char nbuf[8]; |
2346 | char *output; | |
0d10e182 | 2347 | unsigned int size = 2; |
252b5132 | 2348 | int low_byte = target_big_endian ? 1 : 0; |
1d70c7fb | 2349 | int max_index = 4; |
8e45593f | 2350 | bfd_reloc_code_real_type r_type; |
87975d2a | 2351 | #ifdef OBJ_ELF |
8e45593f | 2352 | int unhandled_pic = 0; |
87975d2a | 2353 | #endif |
1d70c7fb | 2354 | |
252b5132 RH |
2355 | nbuf[0] = 0; |
2356 | nbuf[1] = 0; | |
2357 | nbuf[2] = 0; | |
2358 | nbuf[3] = 0; | |
1d70c7fb AO |
2359 | nbuf[4] = 0; |
2360 | nbuf[5] = 0; | |
2361 | nbuf[6] = 0; | |
2362 | nbuf[7] = 0; | |
2363 | ||
87975d2a | 2364 | #ifdef OBJ_ELF |
8e45593f NC |
2365 | for (indx = 0; indx < 3; indx++) |
2366 | if (opcode->arg[indx] == A_IMM | |
2367 | && operand[indx].type == A_IMM | |
2368 | && (operand[indx].immediate.X_op == O_PIC_reloc | |
2369 | || sh_PIC_related_p (operand[indx].immediate.X_add_symbol) | |
2370 | || sh_PIC_related_p (operand[indx].immediate.X_op_symbol))) | |
2371 | unhandled_pic = 1; | |
87975d2a | 2372 | #endif |
8e45593f | 2373 | |
1d70c7fb AO |
2374 | if (SH_MERGE_ARCH_SET (opcode->arch, arch_op32)) |
2375 | { | |
2376 | output = frag_more (4); | |
2377 | size = 4; | |
2378 | max_index = 8; | |
2379 | } | |
2380 | else | |
2381 | output = frag_more (2); | |
252b5132 | 2382 | |
91d6fa6a | 2383 | for (indx = 0; indx < max_index; indx++) |
252b5132 | 2384 | { |
91d6fa6a | 2385 | sh_nibble_type i = opcode->nibbles[indx]; |
252b5132 RH |
2386 | if (i < 16) |
2387 | { | |
91d6fa6a | 2388 | nbuf[indx] = i; |
252b5132 RH |
2389 | } |
2390 | else | |
2391 | { | |
2392 | switch (i) | |
2393 | { | |
2394 | case REG_N: | |
6a5709a5 | 2395 | case REG_N_D: |
91d6fa6a | 2396 | nbuf[indx] = reg_n; |
252b5132 RH |
2397 | break; |
2398 | case REG_M: | |
91d6fa6a | 2399 | nbuf[indx] = reg_m; |
252b5132 | 2400 | break; |
d4845d57 JR |
2401 | case SDT_REG_N: |
2402 | if (reg_n < 2 || reg_n > 5) | |
2403 | as_bad (_("Invalid register: 'r%d'"), reg_n); | |
91d6fa6a | 2404 | nbuf[indx] = (reg_n & 3) | 4; |
d4845d57 | 2405 | break; |
252b5132 | 2406 | case REG_NM: |
91d6fa6a | 2407 | nbuf[indx] = reg_n | (reg_m >> 2); |
252b5132 | 2408 | break; |
c4aa876b | 2409 | case REG_B: |
91d6fa6a | 2410 | nbuf[indx] = reg_b | 0x08; |
252b5132 | 2411 | break; |
6a5709a5 | 2412 | case REG_N_B01: |
91d6fa6a | 2413 | nbuf[indx] = reg_n | 0x01; |
6a5709a5 | 2414 | break; |
1d70c7fb | 2415 | case IMM0_3s: |
91d6fa6a | 2416 | nbuf[indx] |= 0x08; |
1d70c7fb AO |
2417 | case IMM0_3c: |
2418 | insert (output + low_byte, BFD_RELOC_SH_IMM3, 0, operand); | |
2419 | break; | |
2420 | case IMM0_3Us: | |
91d6fa6a | 2421 | nbuf[indx] |= 0x80; |
1d70c7fb AO |
2422 | case IMM0_3Uc: |
2423 | insert (output + low_byte, BFD_RELOC_SH_IMM3U, 0, operand); | |
2424 | break; | |
2425 | case DISP0_12: | |
2426 | insert (output + 2, BFD_RELOC_SH_DISP12, 0, operand); | |
2427 | break; | |
2428 | case DISP0_12BY2: | |
2429 | insert (output + 2, BFD_RELOC_SH_DISP12BY2, 0, operand); | |
2430 | break; | |
2431 | case DISP0_12BY4: | |
2432 | insert (output + 2, BFD_RELOC_SH_DISP12BY4, 0, operand); | |
2433 | break; | |
2434 | case DISP0_12BY8: | |
2435 | insert (output + 2, BFD_RELOC_SH_DISP12BY8, 0, operand); | |
2436 | break; | |
2437 | case DISP1_12: | |
2438 | insert (output + 2, BFD_RELOC_SH_DISP12, 0, operand+1); | |
2439 | break; | |
2440 | case DISP1_12BY2: | |
2441 | insert (output + 2, BFD_RELOC_SH_DISP12BY2, 0, operand+1); | |
2442 | break; | |
2443 | case DISP1_12BY4: | |
2444 | insert (output + 2, BFD_RELOC_SH_DISP12BY4, 0, operand+1); | |
2445 | break; | |
2446 | case DISP1_12BY8: | |
2447 | insert (output + 2, BFD_RELOC_SH_DISP12BY8, 0, operand+1); | |
2448 | break; | |
2449 | case IMM0_20_4: | |
2450 | break; | |
2451 | case IMM0_20: | |
8e45593f | 2452 | r_type = BFD_RELOC_SH_DISP20; |
87975d2a | 2453 | #ifdef OBJ_ELF |
8e45593f NC |
2454 | if (sh_check_fixup (&operand->immediate, &r_type)) |
2455 | as_bad (_("Invalid PIC expression.")); | |
2456 | unhandled_pic = 0; | |
87975d2a | 2457 | #endif |
8e45593f | 2458 | insert4 (output, r_type, 0, operand); |
1d70c7fb AO |
2459 | break; |
2460 | case IMM0_20BY8: | |
2461 | insert4 (output, BFD_RELOC_SH_DISP20BY8, 0, operand); | |
2462 | break; | |
015551fc JR |
2463 | case IMM0_4BY4: |
2464 | insert (output + low_byte, BFD_RELOC_SH_IMM4BY4, 0, operand); | |
2465 | break; | |
2466 | case IMM0_4BY2: | |
2467 | insert (output + low_byte, BFD_RELOC_SH_IMM4BY2, 0, operand); | |
2468 | break; | |
2469 | case IMM0_4: | |
2470 | insert (output + low_byte, BFD_RELOC_SH_IMM4, 0, operand); | |
2471 | break; | |
2472 | case IMM1_4BY4: | |
2473 | insert (output + low_byte, BFD_RELOC_SH_IMM4BY4, 0, operand + 1); | |
2474 | break; | |
2475 | case IMM1_4BY2: | |
2476 | insert (output + low_byte, BFD_RELOC_SH_IMM4BY2, 0, operand + 1); | |
252b5132 | 2477 | break; |
015551fc JR |
2478 | case IMM1_4: |
2479 | insert (output + low_byte, BFD_RELOC_SH_IMM4, 0, operand + 1); | |
252b5132 | 2480 | break; |
015551fc JR |
2481 | case IMM0_8BY4: |
2482 | insert (output + low_byte, BFD_RELOC_SH_IMM8BY4, 0, operand); | |
252b5132 | 2483 | break; |
015551fc JR |
2484 | case IMM0_8BY2: |
2485 | insert (output + low_byte, BFD_RELOC_SH_IMM8BY2, 0, operand); | |
252b5132 | 2486 | break; |
015551fc JR |
2487 | case IMM0_8: |
2488 | insert (output + low_byte, BFD_RELOC_SH_IMM8, 0, operand); | |
252b5132 | 2489 | break; |
015551fc JR |
2490 | case IMM1_8BY4: |
2491 | insert (output + low_byte, BFD_RELOC_SH_IMM8BY4, 0, operand + 1); | |
252b5132 | 2492 | break; |
015551fc JR |
2493 | case IMM1_8BY2: |
2494 | insert (output + low_byte, BFD_RELOC_SH_IMM8BY2, 0, operand + 1); | |
2495 | break; | |
2496 | case IMM1_8: | |
2497 | insert (output + low_byte, BFD_RELOC_SH_IMM8, 0, operand + 1); | |
252b5132 RH |
2498 | break; |
2499 | case PCRELIMM_8BY4: | |
7679ead9 AO |
2500 | insert (output, BFD_RELOC_SH_PCRELIMM8BY4, |
2501 | operand->type != A_DISP_PC_ABS, operand); | |
252b5132 RH |
2502 | break; |
2503 | case PCRELIMM_8BY2: | |
7679ead9 AO |
2504 | insert (output, BFD_RELOC_SH_PCRELIMM8BY2, |
2505 | operand->type != A_DISP_PC_ABS, operand); | |
015551fc JR |
2506 | break; |
2507 | case REPEAT: | |
2508 | output = insert_loop_bounds (output, operand); | |
91d6fa6a | 2509 | nbuf[indx] = opcode->nibbles[3]; |
015551fc | 2510 | operand += 2; |
252b5132 RH |
2511 | break; |
2512 | default: | |
2513 | printf (_("failed for %d\n"), i); | |
2514 | } | |
2515 | } | |
2516 | } | |
87975d2a | 2517 | #ifdef OBJ_ELF |
8e45593f NC |
2518 | if (unhandled_pic) |
2519 | as_bad (_("misplaced PIC operand")); | |
87975d2a | 2520 | #endif |
c4aa876b NC |
2521 | if (!target_big_endian) |
2522 | { | |
2523 | output[1] = (nbuf[0] << 4) | (nbuf[1]); | |
2524 | output[0] = (nbuf[2] << 4) | (nbuf[3]); | |
2525 | } | |
2526 | else | |
2527 | { | |
2528 | output[0] = (nbuf[0] << 4) | (nbuf[1]); | |
2529 | output[1] = (nbuf[2] << 4) | (nbuf[3]); | |
2530 | } | |
1d70c7fb AO |
2531 | if (SH_MERGE_ARCH_SET (opcode->arch, arch_op32)) |
2532 | { | |
2533 | if (!target_big_endian) | |
2534 | { | |
2535 | output[3] = (nbuf[4] << 4) | (nbuf[5]); | |
2536 | output[2] = (nbuf[6] << 4) | (nbuf[7]); | |
2537 | } | |
2538 | else | |
2539 | { | |
2540 | output[2] = (nbuf[4] << 4) | (nbuf[5]); | |
2541 | output[3] = (nbuf[6] << 4) | (nbuf[7]); | |
2542 | } | |
2543 | } | |
0d10e182 | 2544 | return size; |
252b5132 RH |
2545 | } |
2546 | ||
d4845d57 JR |
2547 | /* Find an opcode at the start of *STR_P in the hash table, and set |
2548 | *STR_P to the first character after the last one read. */ | |
252b5132 | 2549 | |
d4845d57 | 2550 | static sh_opcode_info * |
8edc77b9 | 2551 | find_cooked_opcode (char **str_p) |
252b5132 | 2552 | { |
d4845d57 | 2553 | char *str = *str_p; |
252b5132 RH |
2554 | unsigned char *op_start; |
2555 | unsigned char *op_end; | |
252b5132 | 2556 | char name[20]; |
6d0cb78c | 2557 | unsigned int nlen = 0; |
c4aa876b | 2558 | |
6b31947e | 2559 | /* Drop leading whitespace. */ |
252b5132 RH |
2560 | while (*str == ' ') |
2561 | str++; | |
2562 | ||
d4845d57 JR |
2563 | /* Find the op code end. |
2564 | The pre-processor will eliminate whitespace in front of | |
2565 | any '@' after the first argument; we may be called from | |
2566 | assemble_ppi, so the opcode might be terminated by an '@'. */ | |
2132e3a3 | 2567 | for (op_start = op_end = (unsigned char *) str; |
252b5132 | 2568 | *op_end |
6d0cb78c | 2569 | && nlen < sizeof (name) - 1 |
d4845d57 | 2570 | && !is_end_of_line[*op_end] && *op_end != ' ' && *op_end != '@'; |
252b5132 RH |
2571 | op_end++) |
2572 | { | |
2573 | unsigned char c = op_start[nlen]; | |
2574 | ||
2575 | /* The machine independent code will convert CMP/EQ into cmp/EQ | |
d4845d57 JR |
2576 | because it thinks the '/' is the end of the symbol. Moreover, |
2577 | all but the first sub-insn is a parallel processing insn won't | |
3882b010 | 2578 | be capitalized. Instead of hacking up the machine independent |
d4845d57 | 2579 | code, we just deal with it here. */ |
3882b010 | 2580 | c = TOLOWER (c); |
252b5132 RH |
2581 | name[nlen] = c; |
2582 | nlen++; | |
2583 | } | |
c4aa876b | 2584 | |
252b5132 | 2585 | name[nlen] = 0; |
2132e3a3 | 2586 | *str_p = (char *) op_end; |
252b5132 RH |
2587 | |
2588 | if (nlen == 0) | |
6b31947e | 2589 | as_bad (_("can't find opcode ")); |
252b5132 | 2590 | |
d4845d57 JR |
2591 | return (sh_opcode_info *) hash_find (opcode_hash_control, name); |
2592 | } | |
2593 | ||
2594 | /* Assemble a parallel processing insn. */ | |
2595 | #define DDT_BASE 0xf000 /* Base value for double data transfer insns */ | |
6b31947e | 2596 | |
0d10e182 | 2597 | static unsigned int |
8edc77b9 | 2598 | assemble_ppi (char *op_end, sh_opcode_info *opcode) |
d4845d57 JR |
2599 | { |
2600 | int movx = 0; | |
2601 | int movy = 0; | |
2602 | int cond = 0; | |
2603 | int field_b = 0; | |
2604 | char *output; | |
2605 | int move_code; | |
0d10e182 | 2606 | unsigned int size; |
d4845d57 | 2607 | |
d4845d57 JR |
2608 | for (;;) |
2609 | { | |
2610 | sh_operand_info operand[3]; | |
2611 | ||
ac62e7a3 JR |
2612 | /* Some insn ignore one or more register fields, e.g. psts machl,a0. |
2613 | Make sure we encode a defined insn pattern. */ | |
2614 | reg_x = 0; | |
2615 | reg_y = 0; | |
2616 | reg_n = 0; | |
2617 | ||
d4845d57 JR |
2618 | if (opcode->arg[0] != A_END) |
2619 | op_end = get_operands (opcode, op_end, operand); | |
88da98f3 | 2620 | try_another_opcode: |
d4845d57 JR |
2621 | opcode = get_specific (opcode, operand); |
2622 | if (opcode == 0) | |
2623 | { | |
6b31947e | 2624 | /* Couldn't find an opcode which matched the operands. */ |
d4845d57 | 2625 | char *where = frag_more (2); |
0d10e182 | 2626 | size = 2; |
d4845d57 JR |
2627 | |
2628 | where[0] = 0x0; | |
2629 | where[1] = 0x0; | |
2630 | as_bad (_("invalid operands for opcode")); | |
0d10e182 | 2631 | return size; |
d4845d57 | 2632 | } |
c4aa876b | 2633 | |
d4845d57 JR |
2634 | if (opcode->nibbles[0] != PPI) |
2635 | as_bad (_("insn can't be combined with parallel processing insn")); | |
2636 | ||
2637 | switch (opcode->nibbles[1]) | |
2638 | { | |
2639 | ||
2640 | case NOPX: | |
2641 | if (movx) | |
2642 | as_bad (_("multiple movx specifications")); | |
2643 | movx = DDT_BASE; | |
2644 | break; | |
2645 | case NOPY: | |
2646 | if (movy) | |
2647 | as_bad (_("multiple movy specifications")); | |
2648 | movy = DDT_BASE; | |
2649 | break; | |
2650 | ||
88da98f3 MS |
2651 | case MOVX_NOPY: |
2652 | if (movx) | |
2653 | as_bad (_("multiple movx specifications")); | |
2654 | if ((reg_n < 4 || reg_n > 5) | |
2655 | && (reg_n < 0 || reg_n > 1)) | |
2656 | as_bad (_("invalid movx address register")); | |
2657 | if (movy && movy != DDT_BASE) | |
2658 | as_bad (_("insn cannot be combined with non-nopy")); | |
2659 | movx = ((((reg_n & 1) != 0) << 9) | |
2660 | + (((reg_n & 4) == 0) << 8) | |
2661 | + (reg_x << 6) | |
2662 | + (opcode->nibbles[2] << 4) | |
2663 | + opcode->nibbles[3] | |
2664 | + DDT_BASE); | |
2665 | break; | |
2666 | ||
2667 | case MOVY_NOPX: | |
2668 | if (movy) | |
2669 | as_bad (_("multiple movy specifications")); | |
2670 | if ((reg_n < 6 || reg_n > 7) | |
2671 | && (reg_n < 2 || reg_n > 3)) | |
2672 | as_bad (_("invalid movy address register")); | |
2673 | if (movx && movx != DDT_BASE) | |
2674 | as_bad (_("insn cannot be combined with non-nopx")); | |
2675 | movy = ((((reg_n & 1) != 0) << 8) | |
2676 | + (((reg_n & 4) == 0) << 9) | |
2677 | + (reg_y << 6) | |
2678 | + (opcode->nibbles[2] << 4) | |
2679 | + opcode->nibbles[3] | |
2680 | + DDT_BASE); | |
2681 | break; | |
2682 | ||
d4845d57 JR |
2683 | case MOVX: |
2684 | if (movx) | |
2685 | as_bad (_("multiple movx specifications")); | |
88da98f3 MS |
2686 | if (movy & 0x2ac) |
2687 | as_bad (_("previous movy requires nopx")); | |
d4845d57 JR |
2688 | if (reg_n < 4 || reg_n > 5) |
2689 | as_bad (_("invalid movx address register")); | |
2690 | if (opcode->nibbles[2] & 8) | |
2691 | { | |
2692 | if (reg_m == A_A1_NUM) | |
2693 | movx = 1 << 7; | |
2694 | else if (reg_m != A_A0_NUM) | |
2695 | as_bad (_("invalid movx dsp register")); | |
2696 | } | |
2697 | else | |
2698 | { | |
2699 | if (reg_x > 1) | |
2700 | as_bad (_("invalid movx dsp register")); | |
2701 | movx = reg_x << 7; | |
2702 | } | |
2703 | movx += ((reg_n - 4) << 9) + (opcode->nibbles[2] << 2) + DDT_BASE; | |
2704 | break; | |
2705 | ||
2706 | case MOVY: | |
2707 | if (movy) | |
2708 | as_bad (_("multiple movy specifications")); | |
88da98f3 MS |
2709 | if (movx & 0x153) |
2710 | as_bad (_("previous movx requires nopy")); | |
d4845d57 JR |
2711 | if (opcode->nibbles[2] & 8) |
2712 | { | |
2713 | /* Bit 3 in nibbles[2] is intended for bit 4 of the opcode, | |
2714 | so add 8 more. */ | |
2715 | movy = 8; | |
2716 | if (reg_m == A_A1_NUM) | |
2717 | movy += 1 << 6; | |
2718 | else if (reg_m != A_A0_NUM) | |
2719 | as_bad (_("invalid movy dsp register")); | |
2720 | } | |
2721 | else | |
2722 | { | |
2723 | if (reg_y > 1) | |
2724 | as_bad (_("invalid movy dsp register")); | |
2725 | movy = reg_y << 6; | |
2726 | } | |
2727 | if (reg_n < 6 || reg_n > 7) | |
2728 | as_bad (_("invalid movy address register")); | |
2729 | movy += ((reg_n - 6) << 8) + opcode->nibbles[2] + DDT_BASE; | |
2730 | break; | |
2731 | ||
2732 | case PSH: | |
015551fc | 2733 | if (operand[0].immediate.X_op != O_constant) |
d4845d57 JR |
2734 | as_bad (_("dsp immediate shift value not constant")); |
2735 | field_b = ((opcode->nibbles[2] << 12) | |
015551fc | 2736 | | (operand[0].immediate.X_add_number & 127) << 4 |
d4845d57 JR |
2737 | | reg_n); |
2738 | break; | |
88da98f3 MS |
2739 | case PPI3NC: |
2740 | if (cond) | |
2741 | { | |
2742 | opcode++; | |
2743 | goto try_another_opcode; | |
2744 | } | |
2745 | /* Fall through. */ | |
d4845d57 JR |
2746 | case PPI3: |
2747 | if (field_b) | |
2748 | as_bad (_("multiple parallel processing specifications")); | |
2749 | field_b = ((opcode->nibbles[2] << 12) + (opcode->nibbles[3] << 8) | |
2750 | + (reg_x << 6) + (reg_y << 4) + reg_n); | |
88da98f3 MS |
2751 | switch (opcode->nibbles[4]) |
2752 | { | |
2753 | case HEX_0: | |
2754 | case HEX_XX00: | |
2755 | case HEX_00YY: | |
2756 | break; | |
2757 | case HEX_1: | |
2758 | case HEX_4: | |
2759 | field_b += opcode->nibbles[4] << 4; | |
2760 | break; | |
2761 | default: | |
2762 | abort (); | |
2763 | } | |
d4845d57 JR |
2764 | break; |
2765 | case PDC: | |
2766 | if (cond) | |
2767 | as_bad (_("multiple condition specifications")); | |
2768 | cond = opcode->nibbles[2] << 8; | |
2769 | if (*op_end) | |
2770 | goto skip_cond_check; | |
2771 | break; | |
2772 | case PPIC: | |
2773 | if (field_b) | |
2774 | as_bad (_("multiple parallel processing specifications")); | |
2775 | field_b = ((opcode->nibbles[2] << 12) + (opcode->nibbles[3] << 8) | |
2776 | + cond + (reg_x << 6) + (reg_y << 4) + reg_n); | |
2777 | cond = 0; | |
88da98f3 MS |
2778 | switch (opcode->nibbles[4]) |
2779 | { | |
2780 | case HEX_0: | |
2781 | case HEX_XX00: | |
2782 | case HEX_00YY: | |
2783 | break; | |
2784 | case HEX_1: | |
2785 | case HEX_4: | |
2786 | field_b += opcode->nibbles[4] << 4; | |
2787 | break; | |
2788 | default: | |
2789 | abort (); | |
2790 | } | |
d4845d57 JR |
2791 | break; |
2792 | case PMUL: | |
2793 | if (field_b) | |
2794 | { | |
88da98f3 MS |
2795 | if ((field_b & 0xef00) == 0xa100) |
2796 | field_b -= 0x8100; | |
2797 | /* pclr Dz pmuls Se,Sf,Dg */ | |
2798 | else if ((field_b & 0xff00) == 0x8d00 | |
f6f9408f | 2799 | && (SH_MERGE_ARCH_SET_VALID (valid_arch, arch_sh4al_dsp_up))) |
88da98f3 | 2800 | { |
f6f9408f | 2801 | valid_arch = SH_MERGE_ARCH_SET (valid_arch, arch_sh4al_dsp_up); |
88da98f3 MS |
2802 | field_b -= 0x8cf0; |
2803 | } | |
2804 | else | |
d4845d57 | 2805 | as_bad (_("insn cannot be combined with pmuls")); |
d4845d57 JR |
2806 | switch (field_b & 0xf) |
2807 | { | |
2808 | case A_X0_NUM: | |
2809 | field_b += 0 - A_X0_NUM; | |
2810 | break; | |
2811 | case A_Y0_NUM: | |
2812 | field_b += 1 - A_Y0_NUM; | |
2813 | break; | |
2814 | case A_A0_NUM: | |
2815 | field_b += 2 - A_A0_NUM; | |
2816 | break; | |
2817 | case A_A1_NUM: | |
2818 | field_b += 3 - A_A1_NUM; | |
2819 | break; | |
2820 | default: | |
88da98f3 | 2821 | as_bad (_("bad combined pmuls output operand")); |
d4845d57 | 2822 | } |
7dd04abd JR |
2823 | /* Generate warning if the destination register for padd / psub |
2824 | and pmuls is the same ( only for A0 or A1 ). | |
2825 | If the last nibble is 1010 then A0 is used in both | |
2826 | padd / psub and pmuls. If it is 1111 then A1 is used | |
2827 | as destination register in both padd / psub and pmuls. */ | |
5db33d76 JR |
2828 | |
2829 | if ((((field_b | reg_efg) & 0x000F) == 0x000A) | |
2830 | || (((field_b | reg_efg) & 0x000F) == 0x000F)) | |
2831 | as_warn (_("destination register is same for parallel insns")); | |
d4845d57 JR |
2832 | } |
2833 | field_b += 0x4000 + reg_efg; | |
2834 | break; | |
2835 | default: | |
2836 | abort (); | |
2837 | } | |
2838 | if (cond) | |
2839 | { | |
2840 | as_bad (_("condition not followed by conditionalizable insn")); | |
2841 | cond = 0; | |
2842 | } | |
2843 | if (! *op_end) | |
2844 | break; | |
2845 | skip_cond_check: | |
2846 | opcode = find_cooked_opcode (&op_end); | |
2847 | if (opcode == NULL) | |
2848 | { | |
2849 | (as_bad | |
2850 | (_("unrecognized characters at end of parallel processing insn"))); | |
2851 | break; | |
2852 | } | |
2853 | } | |
2854 | ||
2855 | move_code = movx | movy; | |
2856 | if (field_b) | |
2857 | { | |
2858 | /* Parallel processing insn. */ | |
2859 | unsigned long ppi_code = (movx | movy | 0xf800) << 16 | field_b; | |
2860 | ||
2861 | output = frag_more (4); | |
0d10e182 | 2862 | size = 4; |
d4845d57 JR |
2863 | if (! target_big_endian) |
2864 | { | |
2865 | output[3] = ppi_code >> 8; | |
2866 | output[2] = ppi_code; | |
2867 | } | |
2868 | else | |
2869 | { | |
2870 | output[2] = ppi_code >> 8; | |
2871 | output[3] = ppi_code; | |
2872 | } | |
2873 | move_code |= 0xf800; | |
2874 | } | |
2875 | else | |
0d10e182 JL |
2876 | { |
2877 | /* Just a double data transfer. */ | |
2878 | output = frag_more (2); | |
2879 | size = 2; | |
2880 | } | |
d4845d57 JR |
2881 | if (! target_big_endian) |
2882 | { | |
2883 | output[1] = move_code >> 8; | |
2884 | output[0] = move_code; | |
2885 | } | |
2886 | else | |
2887 | { | |
2888 | output[0] = move_code >> 8; | |
2889 | output[1] = move_code; | |
2890 | } | |
0d10e182 | 2891 | return size; |
d4845d57 JR |
2892 | } |
2893 | ||
2894 | /* This is the guts of the machine-dependent assembler. STR points to a | |
2895 | machine dependent instruction. This function is supposed to emit | |
6b31947e | 2896 | the frags/bytes it assembles to. */ |
d4845d57 JR |
2897 | |
2898 | void | |
8edc77b9 | 2899 | md_assemble (char *str) |
d4845d57 | 2900 | { |
2132e3a3 | 2901 | char *op_end; |
d4845d57 JR |
2902 | sh_operand_info operand[3]; |
2903 | sh_opcode_info *opcode; | |
dda5ecfc | 2904 | unsigned int size = 0; |
ae51a426 | 2905 | char *initial_str = str; |
d4845d57 | 2906 | |
324bfcf3 AO |
2907 | #ifdef HAVE_SH64 |
2908 | if (sh64_isa_mode == sh64_isa_shmedia) | |
2909 | { | |
2910 | shmedia_md_assemble (str); | |
2911 | return; | |
2912 | } | |
2913 | else | |
2914 | { | |
2915 | /* If we've seen pseudo-directives, make sure any emitted data or | |
2916 | frags are marked as data. */ | |
b34976b6 | 2917 | if (!seen_insn) |
324bfcf3 | 2918 | { |
b34976b6 | 2919 | sh64_update_contents_mark (TRUE); |
324bfcf3 AO |
2920 | sh64_set_contents_type (CRT_SH5_ISA16); |
2921 | } | |
2922 | ||
b34976b6 | 2923 | seen_insn = TRUE; |
324bfcf3 AO |
2924 | } |
2925 | #endif /* HAVE_SH64 */ | |
2926 | ||
d4845d57 JR |
2927 | opcode = find_cooked_opcode (&str); |
2928 | op_end = str; | |
252b5132 RH |
2929 | |
2930 | if (opcode == NULL) | |
2931 | { | |
ae51a426 | 2932 | /* The opcode is not in the hash table. |
708587a4 | 2933 | This means we definitely have an assembly failure, |
ae51a426 JR |
2934 | but the instruction may be valid in another CPU variant. |
2935 | In this case emit something better than 'unknown opcode'. | |
2936 | Search the full table in sh-opc.h to check. */ | |
2937 | ||
2938 | char *name = initial_str; | |
2939 | int name_length = 0; | |
2940 | const sh_opcode_info *op; | |
2941 | int found = 0; | |
2942 | ||
2943 | /* identify opcode in string */ | |
871ec896 | 2944 | while (ISSPACE (*name)) |
ae51a426 JR |
2945 | { |
2946 | name++; | |
2947 | } | |
871ec896 | 2948 | while (!ISSPACE (name[name_length])) |
ae51a426 JR |
2949 | { |
2950 | name_length++; | |
2951 | } | |
2952 | ||
2953 | /* search for opcode in full list */ | |
2954 | for (op = sh_table; op->name; op++) | |
2955 | { | |
f6f9408f JR |
2956 | if (strncasecmp (op->name, name, name_length) == 0 |
2957 | && op->name[name_length] == '\0') | |
ae51a426 JR |
2958 | { |
2959 | found = 1; | |
2960 | break; | |
2961 | } | |
2962 | } | |
2963 | ||
2964 | if ( found ) | |
2965 | { | |
2966 | as_bad (_("opcode not valid for this cpu variant")); | |
2967 | } | |
2968 | else | |
2969 | { | |
2970 | as_bad (_("unknown opcode")); | |
2971 | } | |
252b5132 RH |
2972 | return; |
2973 | } | |
2974 | ||
2975 | if (sh_relax | |
2976 | && ! seg_info (now_seg)->tc_segment_info_data.in_code) | |
2977 | { | |
2978 | /* Output a CODE reloc to tell the linker that the following | |
2979 | bytes are instructions, not data. */ | |
2980 | fix_new (frag_now, frag_now_fix (), 2, &abs_symbol, 0, 0, | |
2981 | BFD_RELOC_SH_CODE); | |
2982 | seg_info (now_seg)->tc_segment_info_data.in_code = 1; | |
2983 | } | |
2984 | ||
d4845d57 JR |
2985 | if (opcode->nibbles[0] == PPI) |
2986 | { | |
0d10e182 | 2987 | size = assemble_ppi (op_end, opcode); |
252b5132 RH |
2988 | } |
2989 | else | |
2990 | { | |
0d10e182 JL |
2991 | if (opcode->arg[0] == A_BDISP12 |
2992 | || opcode->arg[0] == A_BDISP8) | |
252b5132 | 2993 | { |
26c9b704 JR |
2994 | /* Since we skip get_specific here, we have to check & update |
2995 | valid_arch now. */ | |
f6f9408f JR |
2996 | if (SH_MERGE_ARCH_SET_VALID (valid_arch, opcode->arch)) |
2997 | valid_arch = SH_MERGE_ARCH_SET (valid_arch, opcode->arch); | |
26c9b704 JR |
2998 | else |
2999 | as_bad (_("Delayed branches not available on SH1")); | |
0d10e182 JL |
3000 | parse_exp (op_end + 1, &operand[0]); |
3001 | build_relax (opcode, &operand[0]); | |
86157c20 AS |
3002 | |
3003 | /* All branches are currently 16 bit. */ | |
3004 | size = 2; | |
5fc44b2d JR |
3005 | } |
3006 | else | |
3007 | { | |
0d10e182 JL |
3008 | if (opcode->arg[0] == A_END) |
3009 | { | |
3010 | /* Ignore trailing whitespace. If there is any, it has already | |
3011 | been compressed to a single space. */ | |
3012 | if (*op_end == ' ') | |
3013 | op_end++; | |
3014 | } | |
3015 | else | |
3016 | { | |
3017 | op_end = get_operands (opcode, op_end, operand); | |
3018 | } | |
3019 | opcode = get_specific (opcode, operand); | |
252b5132 | 3020 | |
0d10e182 JL |
3021 | if (opcode == 0) |
3022 | { | |
3023 | /* Couldn't find an opcode which matched the operands. */ | |
3024 | char *where = frag_more (2); | |
3025 | size = 2; | |
252b5132 | 3026 | |
0d10e182 JL |
3027 | where[0] = 0x0; |
3028 | where[1] = 0x0; | |
3029 | as_bad (_("invalid operands for opcode")); | |
3030 | } | |
3031 | else | |
3032 | { | |
3033 | if (*op_end) | |
3034 | as_bad (_("excess operands: '%s'"), op_end); | |
3035 | ||
3036 | size = build_Mytes (opcode, operand); | |
3037 | } | |
252b5132 | 3038 | } |
0d10e182 | 3039 | } |
252b5132 | 3040 | |
4dc7ead9 | 3041 | dwarf2_emit_insn (size); |
252b5132 RH |
3042 | } |
3043 | ||
3044 | /* This routine is called each time a label definition is seen. It | |
3045 | emits a BFD_RELOC_SH_LABEL reloc if necessary. */ | |
3046 | ||
3047 | void | |
07a53e5c | 3048 | sh_frob_label (symbolS *sym) |
252b5132 RH |
3049 | { |
3050 | static fragS *last_label_frag; | |
3051 | static int last_label_offset; | |
3052 | ||
3053 | if (sh_relax | |
3054 | && seg_info (now_seg)->tc_segment_info_data.in_code) | |
3055 | { | |
3056 | int offset; | |
3057 | ||
3058 | offset = frag_now_fix (); | |
3059 | if (frag_now != last_label_frag | |
3060 | || offset != last_label_offset) | |
c4aa876b | 3061 | { |
252b5132 RH |
3062 | fix_new (frag_now, offset, 2, &abs_symbol, 0, 0, BFD_RELOC_SH_LABEL); |
3063 | last_label_frag = frag_now; | |
3064 | last_label_offset = offset; | |
3065 | } | |
3066 | } | |
07a53e5c RH |
3067 | |
3068 | dwarf2_emit_label (sym); | |
252b5132 RH |
3069 | } |
3070 | ||
3071 | /* This routine is called when the assembler is about to output some | |
3072 | data. It emits a BFD_RELOC_SH_DATA reloc if necessary. */ | |
3073 | ||
3074 | void | |
8edc77b9 | 3075 | sh_flush_pending_output (void) |
252b5132 RH |
3076 | { |
3077 | if (sh_relax | |
3078 | && seg_info (now_seg)->tc_segment_info_data.in_code) | |
3079 | { | |
3080 | fix_new (frag_now, frag_now_fix (), 2, &abs_symbol, 0, 0, | |
3081 | BFD_RELOC_SH_DATA); | |
3082 | seg_info (now_seg)->tc_segment_info_data.in_code = 0; | |
3083 | } | |
3084 | } | |
3085 | ||
3086 | symbolS * | |
8edc77b9 | 3087 | md_undefined_symbol (char *name ATTRIBUTE_UNUSED) |
252b5132 RH |
3088 | { |
3089 | return 0; | |
3090 | } | |
3091 | ||
6b31947e | 3092 | /* Various routines to kill one day. */ |
6b31947e | 3093 | |
252b5132 | 3094 | char * |
8edc77b9 | 3095 | md_atof (int type, char *litP, int *sizeP) |
252b5132 | 3096 | { |
499ac353 | 3097 | return ieee_md_atof (type, litP, sizeP, target_big_endian); |
252b5132 RH |
3098 | } |
3099 | ||
3100 | /* Handle the .uses pseudo-op. This pseudo-op is used just before a | |
3101 | call instruction. It refers to a label of the instruction which | |
3102 | loads the register which the call uses. We use it to generate a | |
3103 | special reloc for the linker. */ | |
3104 | ||
3105 | static void | |
8edc77b9 | 3106 | s_uses (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
3107 | { |
3108 | expressionS ex; | |
3109 | ||
3110 | if (! sh_relax) | |
3111 | as_warn (_(".uses pseudo-op seen when not relaxing")); | |
3112 | ||
3113 | expression (&ex); | |
3114 | ||
3115 | if (ex.X_op != O_symbol || ex.X_add_number != 0) | |
3116 | { | |
3117 | as_bad (_("bad .uses format")); | |
3118 | ignore_rest_of_line (); | |
3119 | return; | |
3120 | } | |
3121 | ||
3122 | fix_new_exp (frag_now, frag_now_fix (), 2, &ex, 1, BFD_RELOC_SH_USES); | |
3123 | ||
3124 | demand_empty_rest_of_line (); | |
3125 | } | |
3126 | \f | |
37dedf66 NC |
3127 | enum options |
3128 | { | |
3129 | OPTION_RELAX = OPTION_MD_BASE, | |
3130 | OPTION_BIG, | |
3131 | OPTION_LITTLE, | |
3132 | OPTION_SMALL, | |
3133 | OPTION_DSP, | |
3134 | OPTION_ISA, | |
3135 | OPTION_RENESAS, | |
3136 | OPTION_ALLOW_REG_PREFIX, | |
3137 | #ifdef HAVE_SH64 | |
3138 | OPTION_ABI, | |
3139 | OPTION_NO_MIX, | |
3140 | OPTION_SHCOMPACT_CONST_CRANGE, | |
3141 | OPTION_NO_EXPAND, | |
3142 | OPTION_PT32, | |
3143 | #endif | |
6fd4f6cc | 3144 | OPTION_H_TICK_HEX, |
8e45593f NC |
3145 | #ifdef OBJ_ELF |
3146 | OPTION_FDPIC, | |
3147 | #endif | |
37dedf66 NC |
3148 | OPTION_DUMMY /* Not used. This is just here to make it easy to add and subtract options from this enum. */ |
3149 | }; | |
3150 | ||
5a38dc70 | 3151 | const char *md_shortopts = ""; |
6b31947e NC |
3152 | struct option md_longopts[] = |
3153 | { | |
252b5132 | 3154 | {"relax", no_argument, NULL, OPTION_RELAX}, |
05982cac | 3155 | {"big", no_argument, NULL, OPTION_BIG}, |
252b5132 | 3156 | {"little", no_argument, NULL, OPTION_LITTLE}, |
784906c5 NC |
3157 | /* The next two switches are here because the |
3158 | generic parts of the linker testsuite uses them. */ | |
3159 | {"EB", no_argument, NULL, OPTION_BIG}, | |
3160 | {"EL", no_argument, NULL, OPTION_LITTLE}, | |
252b5132 | 3161 | {"small", no_argument, NULL, OPTION_SMALL}, |
d4845d57 | 3162 | {"dsp", no_argument, NULL, OPTION_DSP}, |
37dedf66 | 3163 | {"isa", required_argument, NULL, OPTION_ISA}, |
f55629b8 | 3164 | {"renesas", no_argument, NULL, OPTION_RENESAS}, |
37dedf66 | 3165 | {"allow-reg-prefix", no_argument, NULL, OPTION_ALLOW_REG_PREFIX}, |
f55629b8 | 3166 | |
324bfcf3 | 3167 | #ifdef HAVE_SH64 |
324bfcf3 AO |
3168 | {"abi", required_argument, NULL, OPTION_ABI}, |
3169 | {"no-mix", no_argument, NULL, OPTION_NO_MIX}, | |
3170 | {"shcompact-const-crange", no_argument, NULL, OPTION_SHCOMPACT_CONST_CRANGE}, | |
3171 | {"no-expand", no_argument, NULL, OPTION_NO_EXPAND}, | |
3172 | {"expand-pt32", no_argument, NULL, OPTION_PT32}, | |
3173 | #endif /* HAVE_SH64 */ | |
6fd4f6cc | 3174 | { "h-tick-hex", no_argument, NULL, OPTION_H_TICK_HEX }, |
324bfcf3 | 3175 | |
8e45593f NC |
3176 | #ifdef OBJ_ELF |
3177 | {"fdpic", no_argument, NULL, OPTION_FDPIC}, | |
3178 | #endif | |
3179 | ||
252b5132 RH |
3180 | {NULL, no_argument, NULL, 0} |
3181 | }; | |
c4aa876b | 3182 | size_t md_longopts_size = sizeof (md_longopts); |
252b5132 RH |
3183 | |
3184 | int | |
8edc77b9 | 3185 | md_parse_option (int c, char *arg ATTRIBUTE_UNUSED) |
252b5132 RH |
3186 | { |
3187 | switch (c) | |
3188 | { | |
3189 | case OPTION_RELAX: | |
3190 | sh_relax = 1; | |
3191 | break; | |
3192 | ||
05982cac HPN |
3193 | case OPTION_BIG: |
3194 | target_big_endian = 1; | |
3195 | break; | |
3196 | ||
252b5132 | 3197 | case OPTION_LITTLE: |
252b5132 RH |
3198 | target_big_endian = 0; |
3199 | break; | |
3200 | ||
3201 | case OPTION_SMALL: | |
3202 | sh_small = 1; | |
3203 | break; | |
3204 | ||
d4845d57 | 3205 | case OPTION_DSP: |
e38bc3b5 | 3206 | preset_target_arch = arch_sh_up & ~(arch_sh_sp_fpu|arch_sh_dp_fpu); |
d4845d57 JR |
3207 | break; |
3208 | ||
f55629b8 KK |
3209 | case OPTION_RENESAS: |
3210 | dont_adjust_reloc_32 = 1; | |
3211 | break; | |
3212 | ||
37dedf66 NC |
3213 | case OPTION_ALLOW_REG_PREFIX: |
3214 | allow_dollar_register_prefix = 1; | |
3215 | break; | |
3216 | ||
324bfcf3 | 3217 | case OPTION_ISA: |
871ec896 | 3218 | if (strcasecmp (arg, "dsp") == 0) |
e38bc3b5 | 3219 | preset_target_arch = arch_sh_up & ~(arch_sh_sp_fpu|arch_sh_dp_fpu); |
88da98f3 | 3220 | else if (strcasecmp (arg, "fp") == 0) |
e38bc3b5 | 3221 | preset_target_arch = arch_sh_up & ~arch_sh_has_dsp; |
bdfaef52 | 3222 | else if (strcasecmp (arg, "any") == 0) |
e38bc3b5 | 3223 | preset_target_arch = arch_sh_up; |
bdfaef52 JR |
3224 | #ifdef HAVE_SH64 |
3225 | else if (strcasecmp (arg, "shmedia") == 0) | |
324bfcf3 AO |
3226 | { |
3227 | if (sh64_isa_mode == sh64_isa_shcompact) | |
3228 | as_bad (_("Invalid combination: --isa=SHcompact with --isa=SHmedia")); | |
3229 | sh64_isa_mode = sh64_isa_shmedia; | |
3230 | } | |
3231 | else if (strcasecmp (arg, "shcompact") == 0) | |
3232 | { | |
3233 | if (sh64_isa_mode == sh64_isa_shmedia) | |
3234 | as_bad (_("Invalid combination: --isa=SHmedia with --isa=SHcompact")); | |
3235 | if (sh64_abi == sh64_abi_64) | |
3236 | as_bad (_("Invalid combination: --abi=64 with --isa=SHcompact")); | |
3237 | sh64_isa_mode = sh64_isa_shcompact; | |
3238 | } | |
bdfaef52 | 3239 | #endif /* HAVE_SH64 */ |
324bfcf3 | 3240 | else |
f6f9408f JR |
3241 | { |
3242 | extern const bfd_arch_info_type bfd_sh_arch; | |
871ec896 | 3243 | bfd_arch_info_type const *bfd_arch = &bfd_sh_arch; |
37dedf66 | 3244 | |
f6f9408f JR |
3245 | preset_target_arch = 0; |
3246 | for (; bfd_arch; bfd_arch=bfd_arch->next) | |
3247 | { | |
3248 | int len = strlen(bfd_arch->printable_name); | |
3249 | ||
3250 | if (bfd_arch->mach == bfd_mach_sh5) | |
3251 | continue; | |
3252 | ||
3253 | if (strncasecmp (bfd_arch->printable_name, arg, len) != 0) | |
3254 | continue; | |
3255 | ||
3256 | if (arg[len] == '\0') | |
3257 | preset_target_arch = | |
3258 | sh_get_arch_from_bfd_mach (bfd_arch->mach); | |
3259 | else if (strcasecmp(&arg[len], "-up") == 0) | |
3260 | preset_target_arch = | |
3261 | sh_get_arch_up_from_bfd_mach (bfd_arch->mach); | |
3262 | else | |
3263 | continue; | |
3264 | break; | |
3265 | } | |
3266 | ||
3267 | if (!preset_target_arch) | |
20203fb9 | 3268 | as_bad (_("Invalid argument to --isa option: %s"), arg); |
f6f9408f | 3269 | } |
324bfcf3 AO |
3270 | break; |
3271 | ||
bdfaef52 | 3272 | #ifdef HAVE_SH64 |
324bfcf3 AO |
3273 | case OPTION_ABI: |
3274 | if (strcmp (arg, "32") == 0) | |
3275 | { | |
3276 | if (sh64_abi == sh64_abi_64) | |
3277 | as_bad (_("Invalid combination: --abi=32 with --abi=64")); | |
3278 | sh64_abi = sh64_abi_32; | |
3279 | } | |
3280 | else if (strcmp (arg, "64") == 0) | |
3281 | { | |
3282 | if (sh64_abi == sh64_abi_32) | |
3283 | as_bad (_("Invalid combination: --abi=64 with --abi=32")); | |
3284 | if (sh64_isa_mode == sh64_isa_shcompact) | |
3285 | as_bad (_("Invalid combination: --isa=SHcompact with --abi=64")); | |
3286 | sh64_abi = sh64_abi_64; | |
3287 | } | |
3288 | else | |
20203fb9 | 3289 | as_bad (_("Invalid argument to --abi option: %s"), arg); |
324bfcf3 AO |
3290 | break; |
3291 | ||
3292 | case OPTION_NO_MIX: | |
b34976b6 | 3293 | sh64_mix = FALSE; |
324bfcf3 AO |
3294 | break; |
3295 | ||
3296 | case OPTION_SHCOMPACT_CONST_CRANGE: | |
b34976b6 | 3297 | sh64_shcompact_const_crange = TRUE; |
324bfcf3 AO |
3298 | break; |
3299 | ||
3300 | case OPTION_NO_EXPAND: | |
b34976b6 | 3301 | sh64_expand = FALSE; |
324bfcf3 AO |
3302 | break; |
3303 | ||
3304 | case OPTION_PT32: | |
b34976b6 | 3305 | sh64_pt32 = TRUE; |
324bfcf3 AO |
3306 | break; |
3307 | #endif /* HAVE_SH64 */ | |
3308 | ||
6fd4f6cc DD |
3309 | case OPTION_H_TICK_HEX: |
3310 | enable_h_tick_hex = 1; | |
3311 | break; | |
3312 | ||
8e45593f NC |
3313 | #ifdef OBJ_ELF |
3314 | case OPTION_FDPIC: | |
3315 | sh_fdpic = TRUE; | |
3316 | break; | |
3317 | #endif /* OBJ_ELF */ | |
3318 | ||
252b5132 RH |
3319 | default: |
3320 | return 0; | |
3321 | } | |
3322 | ||
3323 | return 1; | |
3324 | } | |
3325 | ||
3326 | void | |
8edc77b9 | 3327 | md_show_usage (FILE *stream) |
252b5132 | 3328 | { |
c4aa876b | 3329 | fprintf (stream, _("\ |
252b5132 | 3330 | SH options:\n\ |
37dedf66 NC |
3331 | --little generate little endian code\n\ |
3332 | --big generate big endian code\n\ | |
3333 | --relax alter jump instructions for long displacements\n\ | |
3334 | --renesas disable optimization with section symbol for\n\ | |
f55629b8 | 3335 | compatibility with Renesas assembler.\n\ |
37dedf66 NC |
3336 | --small align sections to 4 byte boundaries, not 16\n\ |
3337 | --dsp enable sh-dsp insns, and disable floating-point ISAs.\n\ | |
3338 | --allow-reg-prefix allow '$' as a register name prefix.\n\ | |
3339 | --isa=[any use most appropriate isa\n\ | |
ae51a426 | 3340 | | dsp same as '-dsp'\n\ |
f6f9408f JR |
3341 | | fp")); |
3342 | { | |
3343 | extern const bfd_arch_info_type bfd_sh_arch; | |
871ec896 | 3344 | bfd_arch_info_type const *bfd_arch = &bfd_sh_arch; |
37dedf66 | 3345 | |
f6f9408f JR |
3346 | for (; bfd_arch; bfd_arch=bfd_arch->next) |
3347 | if (bfd_arch->mach != bfd_mach_sh5) | |
3348 | { | |
3349 | fprintf (stream, "\n | %s", bfd_arch->printable_name); | |
3350 | fprintf (stream, "\n | %s-up", bfd_arch->printable_name); | |
3351 | } | |
3352 | } | |
3353 | fprintf (stream, "]\n"); | |
ae51a426 JR |
3354 | #ifdef HAVE_SH64 |
3355 | fprintf (stream, _("\ | |
37dedf66 | 3356 | --isa=[shmedia set as the default instruction set for SH64\n\ |
88da98f3 MS |
3357 | | SHmedia\n\ |
3358 | | shcompact\n\ | |
ae51a426 | 3359 | | SHcompact]\n")); |
324bfcf3 | 3360 | fprintf (stream, _("\ |
37dedf66 | 3361 | --abi=[32|64] set size of expanded SHmedia operands and object\n\ |
324bfcf3 | 3362 | file type\n\ |
37dedf66 | 3363 | --shcompact-const-crange emit code-range descriptors for constants in\n\ |
324bfcf3 | 3364 | SHcompact code sections\n\ |
37dedf66 | 3365 | --no-mix disallow SHmedia code in the same section as\n\ |
324bfcf3 | 3366 | constants and SHcompact code\n\ |
37dedf66 NC |
3367 | --no-expand do not expand MOVI, PT, PTA or PTB instructions\n\ |
3368 | --expand-pt32 with -abi=64, expand PT, PTA and PTB instructions\n\ | |
2acb89ed | 3369 | to 32 bits only\n")); |
324bfcf3 | 3370 | #endif /* HAVE_SH64 */ |
8e45593f NC |
3371 | #ifdef OBJ_ELF |
3372 | fprintf (stream, _("\ | |
3373 | --fdpic generate an FDPIC object file\n")); | |
3374 | #endif /* OBJ_ELF */ | |
252b5132 RH |
3375 | } |
3376 | \f | |
252b5132 RH |
3377 | /* This struct is used to pass arguments to sh_count_relocs through |
3378 | bfd_map_over_sections. */ | |
3379 | ||
3380 | struct sh_count_relocs | |
3381 | { | |
3382 | /* Symbol we are looking for. */ | |
3383 | symbolS *sym; | |
3384 | /* Count of relocs found. */ | |
3385 | int count; | |
3386 | }; | |
3387 | ||
3388 | /* Count the number of fixups in a section which refer to a particular | |
7be1c489 | 3389 | symbol. This is called via bfd_map_over_sections. */ |
252b5132 | 3390 | |
252b5132 | 3391 | static void |
8edc77b9 | 3392 | sh_count_relocs (bfd *abfd ATTRIBUTE_UNUSED, segT sec, void *data) |
252b5132 RH |
3393 | { |
3394 | struct sh_count_relocs *info = (struct sh_count_relocs *) data; | |
3395 | segment_info_type *seginfo; | |
3396 | symbolS *sym; | |
3397 | fixS *fix; | |
3398 | ||
3399 | seginfo = seg_info (sec); | |
3400 | if (seginfo == NULL) | |
3401 | return; | |
3402 | ||
3403 | sym = info->sym; | |
3404 | for (fix = seginfo->fix_root; fix != NULL; fix = fix->fx_next) | |
3405 | { | |
3406 | if (fix->fx_addsy == sym) | |
3407 | { | |
3408 | ++info->count; | |
3409 | fix->fx_tcbit = 1; | |
3410 | } | |
3411 | } | |
3412 | } | |
3413 | ||
7be1c489 AM |
3414 | /* Handle the count relocs for a particular section. |
3415 | This is called via bfd_map_over_sections. */ | |
252b5132 | 3416 | |
252b5132 | 3417 | static void |
8edc77b9 KK |
3418 | sh_frob_section (bfd *abfd ATTRIBUTE_UNUSED, segT sec, |
3419 | void *ignore ATTRIBUTE_UNUSED) | |
252b5132 RH |
3420 | { |
3421 | segment_info_type *seginfo; | |
3422 | fixS *fix; | |
3423 | ||
3424 | seginfo = seg_info (sec); | |
3425 | if (seginfo == NULL) | |
3426 | return; | |
3427 | ||
e14e52f8 DD |
3428 | for (fix = seginfo->fix_root; fix != NULL; fix = fix->fx_next) |
3429 | { | |
3430 | symbolS *sym; | |
3431 | ||
3432 | sym = fix->fx_addsy; | |
3433 | /* Check for a local_symbol. */ | |
3434 | if (sym && sym->bsym == NULL) | |
3435 | { | |
3436 | struct local_symbol *ls = (struct local_symbol *)sym; | |
3437 | /* See if it's been converted. If so, canonicalize. */ | |
3438 | if (local_symbol_converted_p (ls)) | |
3439 | fix->fx_addsy = local_symbol_get_real_symbol (ls); | |
3440 | } | |
3441 | } | |
3442 | ||
252b5132 RH |
3443 | for (fix = seginfo->fix_root; fix != NULL; fix = fix->fx_next) |
3444 | { | |
3445 | symbolS *sym; | |
3446 | bfd_vma val; | |
3447 | fixS *fscan; | |
3448 | struct sh_count_relocs info; | |
3449 | ||
3450 | if (fix->fx_r_type != BFD_RELOC_SH_USES) | |
3451 | continue; | |
3452 | ||
3453 | /* The BFD_RELOC_SH_USES reloc should refer to a defined local | |
3454 | symbol in the same section. */ | |
3455 | sym = fix->fx_addsy; | |
3456 | if (sym == NULL | |
3457 | || fix->fx_subsy != NULL | |
3458 | || fix->fx_addnumber != 0 | |
3459 | || S_GET_SEGMENT (sym) != sec | |
252b5132 RH |
3460 | || S_IS_EXTERNAL (sym)) |
3461 | { | |
3462 | as_warn_where (fix->fx_file, fix->fx_line, | |
3463 | _(".uses does not refer to a local symbol in the same section")); | |
3464 | continue; | |
3465 | } | |
3466 | ||
3467 | /* Look through the fixups again, this time looking for one | |
3468 | at the same location as sym. */ | |
3469 | val = S_GET_VALUE (sym); | |
3470 | for (fscan = seginfo->fix_root; | |
3471 | fscan != NULL; | |
3472 | fscan = fscan->fx_next) | |
3473 | if (val == fscan->fx_frag->fr_address + fscan->fx_where | |
3474 | && fscan->fx_r_type != BFD_RELOC_SH_ALIGN | |
3475 | && fscan->fx_r_type != BFD_RELOC_SH_CODE | |
3476 | && fscan->fx_r_type != BFD_RELOC_SH_DATA | |
3477 | && fscan->fx_r_type != BFD_RELOC_SH_LABEL) | |
3478 | break; | |
3479 | if (fscan == NULL) | |
3480 | { | |
3481 | as_warn_where (fix->fx_file, fix->fx_line, | |
3482 | _("can't find fixup pointed to by .uses")); | |
3483 | continue; | |
3484 | } | |
3485 | ||
3486 | if (fscan->fx_tcbit) | |
3487 | { | |
3488 | /* We've already done this one. */ | |
3489 | continue; | |
3490 | } | |
3491 | ||
6b31947e NC |
3492 | /* The variable fscan should also be a fixup to a local symbol |
3493 | in the same section. */ | |
252b5132 RH |
3494 | sym = fscan->fx_addsy; |
3495 | if (sym == NULL | |
3496 | || fscan->fx_subsy != NULL | |
3497 | || fscan->fx_addnumber != 0 | |
3498 | || S_GET_SEGMENT (sym) != sec | |
252b5132 RH |
3499 | || S_IS_EXTERNAL (sym)) |
3500 | { | |
3501 | as_warn_where (fix->fx_file, fix->fx_line, | |
3502 | _(".uses target does not refer to a local symbol in the same section")); | |
3503 | continue; | |
3504 | } | |
3505 | ||
3506 | /* Now we look through all the fixups of all the sections, | |
3507 | counting the number of times we find a reference to sym. */ | |
3508 | info.sym = sym; | |
3509 | info.count = 0; | |
8edc77b9 | 3510 | bfd_map_over_sections (stdoutput, sh_count_relocs, &info); |
252b5132 RH |
3511 | |
3512 | if (info.count < 1) | |
3513 | abort (); | |
3514 | ||
3515 | /* Generate a BFD_RELOC_SH_COUNT fixup at the location of sym. | |
3516 | We have already adjusted the value of sym to include the | |
3517 | fragment address, so we undo that adjustment here. */ | |
3518 | subseg_change (sec, 0); | |
7bcad3e5 NC |
3519 | fix_new (fscan->fx_frag, |
3520 | S_GET_VALUE (sym) - fscan->fx_frag->fr_address, | |
252b5132 RH |
3521 | 4, &abs_symbol, info.count, 0, BFD_RELOC_SH_COUNT); |
3522 | } | |
3523 | } | |
3524 | ||
3525 | /* This function is called after the symbol table has been completed, | |
3526 | but before the relocs or section contents have been written out. | |
3527 | If we have seen any .uses pseudo-ops, they point to an instruction | |
3528 | which loads a register with the address of a function. We look | |
3529 | through the fixups to find where the function address is being | |
3530 | loaded from. We then generate a COUNT reloc giving the number of | |
3531 | times that function address is referred to. The linker uses this | |
3532 | information when doing relaxing, to decide when it can eliminate | |
3533 | the stored function address entirely. */ | |
3534 | ||
3535 | void | |
8edc77b9 | 3536 | sh_frob_file (void) |
252b5132 | 3537 | { |
324bfcf3 AO |
3538 | #ifdef HAVE_SH64 |
3539 | shmedia_frob_file_before_adjust (); | |
3540 | #endif | |
3541 | ||
252b5132 RH |
3542 | if (! sh_relax) |
3543 | return; | |
3544 | ||
8edc77b9 | 3545 | bfd_map_over_sections (stdoutput, sh_frob_section, NULL); |
252b5132 RH |
3546 | } |
3547 | ||
3548 | /* Called after relaxing. Set the correct sizes of the fragments, and | |
55cf6793 | 3549 | create relocs so that md_apply_fix will fill in the correct values. */ |
252b5132 RH |
3550 | |
3551 | void | |
8edc77b9 | 3552 | md_convert_frag (bfd *headers ATTRIBUTE_UNUSED, segT seg, fragS *fragP) |
252b5132 RH |
3553 | { |
3554 | int donerelax = 0; | |
3555 | ||
3556 | switch (fragP->fr_subtype) | |
3557 | { | |
3558 | case C (COND_JUMP, COND8): | |
3559 | case C (COND_JUMP_DELAY, COND8): | |
3560 | subseg_change (seg, 0); | |
3561 | fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol, fragP->fr_offset, | |
3562 | 1, BFD_RELOC_SH_PCDISP8BY2); | |
3563 | fragP->fr_fix += 2; | |
3564 | fragP->fr_var = 0; | |
3565 | break; | |
3566 | ||
3567 | case C (UNCOND_JUMP, UNCOND12): | |
3568 | subseg_change (seg, 0); | |
3569 | fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol, fragP->fr_offset, | |
3570 | 1, BFD_RELOC_SH_PCDISP12BY2); | |
3571 | fragP->fr_fix += 2; | |
3572 | fragP->fr_var = 0; | |
3573 | break; | |
3574 | ||
3575 | case C (UNCOND_JUMP, UNCOND32): | |
3576 | case C (UNCOND_JUMP, UNDEF_WORD_DISP): | |
3577 | if (fragP->fr_symbol == NULL) | |
99b222b4 HPN |
3578 | as_bad_where (fragP->fr_file, fragP->fr_line, |
3579 | _("displacement overflows 12-bit field")); | |
252b5132 | 3580 | else if (S_IS_DEFINED (fragP->fr_symbol)) |
99b222b4 HPN |
3581 | as_bad_where (fragP->fr_file, fragP->fr_line, |
3582 | _("displacement to defined symbol %s overflows 12-bit field"), | |
3583 | S_GET_NAME (fragP->fr_symbol)); | |
252b5132 | 3584 | else |
99b222b4 HPN |
3585 | as_bad_where (fragP->fr_file, fragP->fr_line, |
3586 | _("displacement to undefined symbol %s overflows 12-bit field"), | |
3587 | S_GET_NAME (fragP->fr_symbol)); | |
3588 | /* Stabilize this frag, so we don't trip an assert. */ | |
3589 | fragP->fr_fix += fragP->fr_var; | |
3590 | fragP->fr_var = 0; | |
252b5132 RH |
3591 | break; |
3592 | ||
3593 | case C (COND_JUMP, COND12): | |
3594 | case C (COND_JUMP_DELAY, COND12): | |
6b31947e | 3595 | /* A bcond won't fit, so turn it into a b!cond; bra disp; nop. */ |
252b5132 RH |
3596 | /* I found that a relax failure for gcc.c-torture/execute/930628-1.c |
3597 | was due to gas incorrectly relaxing an out-of-range conditional | |
3598 | branch with delay slot. It turned: | |
3599 | bf.s L6 (slot mov.l r12,@(44,r0)) | |
3600 | into: | |
c4aa876b | 3601 | |
252b5132 RH |
3602 | 2c: 8f 01 a0 8b bf.s 32 <_main+32> (slot bra L6) |
3603 | 30: 00 09 nop | |
3604 | 32: 10 cb mov.l r12,@(44,r0) | |
3605 | Therefore, branches with delay slots have to be handled | |
3606 | differently from ones without delay slots. */ | |
3607 | { | |
3608 | unsigned char *buffer = | |
3609 | (unsigned char *) (fragP->fr_fix + fragP->fr_literal); | |
3610 | int highbyte = target_big_endian ? 0 : 1; | |
3611 | int lowbyte = target_big_endian ? 1 : 0; | |
3612 | int delay = fragP->fr_subtype == C (COND_JUMP_DELAY, COND12); | |
3613 | ||
3614 | /* Toggle the true/false bit of the bcond. */ | |
3615 | buffer[highbyte] ^= 0x2; | |
3616 | ||
d3ecfc59 | 3617 | /* If this is a delayed branch, we may not put the bra in the |
252b5132 RH |
3618 | slot. So we change it to a non-delayed branch, like that: |
3619 | b! cond slot_label; bra disp; slot_label: slot_insn | |
3620 | ??? We should try if swapping the conditional branch and | |
3621 | its delay-slot insn already makes the branch reach. */ | |
3622 | ||
3623 | /* Build a relocation to six / four bytes farther on. */ | |
3624 | subseg_change (seg, 0); | |
7be1c489 | 3625 | fix_new (fragP, fragP->fr_fix, 2, section_symbol (seg), |
252b5132 RH |
3626 | fragP->fr_address + fragP->fr_fix + (delay ? 4 : 6), |
3627 | 1, BFD_RELOC_SH_PCDISP8BY2); | |
3628 | ||
3629 | /* Set up a jump instruction. */ | |
3630 | buffer[highbyte + 2] = 0xa0; | |
3631 | buffer[lowbyte + 2] = 0; | |
3632 | fix_new (fragP, fragP->fr_fix + 2, 2, fragP->fr_symbol, | |
3633 | fragP->fr_offset, 1, BFD_RELOC_SH_PCDISP12BY2); | |
3634 | ||
3635 | if (delay) | |
3636 | { | |
3637 | buffer[highbyte] &= ~0x4; /* Removes delay slot from branch. */ | |
3638 | fragP->fr_fix += 4; | |
3639 | } | |
3640 | else | |
3641 | { | |
3642 | /* Fill in a NOP instruction. */ | |
3643 | buffer[highbyte + 4] = 0x0; | |
3644 | buffer[lowbyte + 4] = 0x9; | |
3645 | ||
3646 | fragP->fr_fix += 6; | |
3647 | } | |
3648 | fragP->fr_var = 0; | |
3649 | donerelax = 1; | |
3650 | } | |
3651 | break; | |
3652 | ||
3653 | case C (COND_JUMP, COND32): | |
3654 | case C (COND_JUMP_DELAY, COND32): | |
3655 | case C (COND_JUMP, UNDEF_WORD_DISP): | |
3656 | case C (COND_JUMP_DELAY, UNDEF_WORD_DISP): | |
3657 | if (fragP->fr_symbol == NULL) | |
99b222b4 HPN |
3658 | as_bad_where (fragP->fr_file, fragP->fr_line, |
3659 | _("displacement overflows 8-bit field")); | |
252b5132 | 3660 | else if (S_IS_DEFINED (fragP->fr_symbol)) |
99b222b4 HPN |
3661 | as_bad_where (fragP->fr_file, fragP->fr_line, |
3662 | _("displacement to defined symbol %s overflows 8-bit field"), | |
3663 | S_GET_NAME (fragP->fr_symbol)); | |
252b5132 | 3664 | else |
99b222b4 HPN |
3665 | as_bad_where (fragP->fr_file, fragP->fr_line, |
3666 | _("displacement to undefined symbol %s overflows 8-bit field "), | |
3667 | S_GET_NAME (fragP->fr_symbol)); | |
3668 | /* Stabilize this frag, so we don't trip an assert. */ | |
3669 | fragP->fr_fix += fragP->fr_var; | |
3670 | fragP->fr_var = 0; | |
252b5132 RH |
3671 | break; |
3672 | ||
3673 | default: | |
324bfcf3 | 3674 | #ifdef HAVE_SH64 |
b34976b6 | 3675 | shmedia_md_convert_frag (headers, seg, fragP, TRUE); |
324bfcf3 | 3676 | #else |
252b5132 | 3677 | abort (); |
324bfcf3 | 3678 | #endif |
252b5132 RH |
3679 | } |
3680 | ||
3681 | if (donerelax && !sh_relax) | |
3682 | as_warn_where (fragP->fr_file, fragP->fr_line, | |
3683 | _("overflow in branch to %s; converted into longer instruction sequence"), | |
3684 | (fragP->fr_symbol != NULL | |
3685 | ? S_GET_NAME (fragP->fr_symbol) | |
3686 | : "")); | |
3687 | } | |
3688 | ||
3689 | valueT | |
8edc77b9 | 3690 | md_section_align (segT seg ATTRIBUTE_UNUSED, valueT size) |
252b5132 | 3691 | { |
252b5132 RH |
3692 | #ifdef OBJ_ELF |
3693 | return size; | |
3694 | #else /* ! OBJ_ELF */ | |
3695 | return ((size + (1 << bfd_get_section_alignment (stdoutput, seg)) - 1) | |
3696 | & (-1 << bfd_get_section_alignment (stdoutput, seg))); | |
3697 | #endif /* ! OBJ_ELF */ | |
252b5132 RH |
3698 | } |
3699 | ||
3700 | /* This static variable is set by s_uacons to tell sh_cons_align that | |
67c1ffbe | 3701 | the expression does not need to be aligned. */ |
252b5132 RH |
3702 | |
3703 | static int sh_no_align_cons = 0; | |
3704 | ||
3705 | /* This handles the unaligned space allocation pseudo-ops, such as | |
3706 | .uaword. .uaword is just like .word, but the value does not need | |
3707 | to be aligned. */ | |
3708 | ||
3709 | static void | |
8edc77b9 | 3710 | s_uacons (int bytes) |
252b5132 RH |
3711 | { |
3712 | /* Tell sh_cons_align not to align this value. */ | |
3713 | sh_no_align_cons = 1; | |
3714 | cons (bytes); | |
3715 | } | |
3716 | ||
3717 | /* If a .word, et. al., pseud-op is seen, warn if the value is not | |
3718 | aligned correctly. Note that this can cause warnings to be issued | |
3719 | when assembling initialized structured which were declared with the | |
3720 | packed attribute. FIXME: Perhaps we should require an option to | |
3721 | enable this warning? */ | |
3722 | ||
3723 | void | |
8edc77b9 | 3724 | sh_cons_align (int nbytes) |
252b5132 RH |
3725 | { |
3726 | int nalign; | |
252b5132 RH |
3727 | |
3728 | if (sh_no_align_cons) | |
3729 | { | |
3730 | /* This is an unaligned pseudo-op. */ | |
3731 | sh_no_align_cons = 0; | |
3732 | return; | |
3733 | } | |
3734 | ||
3735 | nalign = 0; | |
3736 | while ((nbytes & 1) == 0) | |
3737 | { | |
3738 | ++nalign; | |
3739 | nbytes >>= 1; | |
3740 | } | |
3741 | ||
3742 | if (nalign == 0) | |
3743 | return; | |
3744 | ||
3745 | if (now_seg == absolute_section) | |
3746 | { | |
3747 | if ((abs_section_offset & ((1 << nalign) - 1)) != 0) | |
3748 | as_warn (_("misaligned data")); | |
3749 | return; | |
3750 | } | |
3751 | ||
87975d2a AM |
3752 | frag_var (rs_align_test, 1, 1, (relax_substateT) 0, |
3753 | (symbolS *) NULL, (offsetT) nalign, (char *) NULL); | |
252b5132 RH |
3754 | |
3755 | record_alignment (now_seg, nalign); | |
3756 | } | |
3757 | ||
3758 | /* When relaxing, we need to output a reloc for any .align directive | |
3759 | that requests alignment to a four byte boundary or larger. This is | |
3760 | also where we check for misaligned data. */ | |
3761 | ||
3762 | void | |
8edc77b9 | 3763 | sh_handle_align (fragS *frag) |
252b5132 | 3764 | { |
0a9ef439 RH |
3765 | int bytes = frag->fr_next->fr_address - frag->fr_address - frag->fr_fix; |
3766 | ||
3767 | if (frag->fr_type == rs_align_code) | |
3768 | { | |
3769 | static const unsigned char big_nop_pattern[] = { 0x00, 0x09 }; | |
3770 | static const unsigned char little_nop_pattern[] = { 0x09, 0x00 }; | |
3771 | ||
3772 | char *p = frag->fr_literal + frag->fr_fix; | |
3773 | ||
3774 | if (bytes & 1) | |
3775 | { | |
3776 | *p++ = 0; | |
3777 | bytes--; | |
3778 | frag->fr_fix += 1; | |
3779 | } | |
3780 | ||
3781 | if (target_big_endian) | |
3782 | { | |
3783 | memcpy (p, big_nop_pattern, sizeof big_nop_pattern); | |
3784 | frag->fr_var = sizeof big_nop_pattern; | |
3785 | } | |
3786 | else | |
3787 | { | |
3788 | memcpy (p, little_nop_pattern, sizeof little_nop_pattern); | |
3789 | frag->fr_var = sizeof little_nop_pattern; | |
3790 | } | |
3791 | } | |
3792 | else if (frag->fr_type == rs_align_test) | |
3793 | { | |
3794 | if (bytes != 0) | |
91382b56 | 3795 | as_bad_where (frag->fr_file, frag->fr_line, _("misaligned data")); |
0a9ef439 RH |
3796 | } |
3797 | ||
252b5132 | 3798 | if (sh_relax |
0a9ef439 RH |
3799 | && (frag->fr_type == rs_align |
3800 | || frag->fr_type == rs_align_code) | |
252b5132 RH |
3801 | && frag->fr_address + frag->fr_fix > 0 |
3802 | && frag->fr_offset > 1 | |
3803 | && now_seg != bss_section) | |
3804 | fix_new (frag, frag->fr_fix, 2, &abs_symbol, frag->fr_offset, 0, | |
3805 | BFD_RELOC_SH_ALIGN); | |
252b5132 RH |
3806 | } |
3807 | ||
28602ebf KK |
3808 | /* See whether the relocation should be resolved locally. */ |
3809 | ||
b34976b6 | 3810 | static bfd_boolean |
8edc77b9 | 3811 | sh_local_pcrel (fixS *fix) |
28602ebf | 3812 | { |
b34976b6 AM |
3813 | return (! sh_relax |
3814 | && (fix->fx_r_type == BFD_RELOC_SH_PCDISP8BY2 | |
3815 | || fix->fx_r_type == BFD_RELOC_SH_PCDISP12BY2 | |
3816 | || fix->fx_r_type == BFD_RELOC_SH_PCRELIMM8BY2 | |
3817 | || fix->fx_r_type == BFD_RELOC_SH_PCRELIMM8BY4 | |
3818 | || fix->fx_r_type == BFD_RELOC_8_PCREL | |
3819 | || fix->fx_r_type == BFD_RELOC_SH_SWITCH16 | |
3820 | || fix->fx_r_type == BFD_RELOC_SH_SWITCH32)); | |
28602ebf KK |
3821 | } |
3822 | ||
252b5132 RH |
3823 | /* See whether we need to force a relocation into the output file. |
3824 | This is used to force out switch and PC relative relocations when | |
3825 | relaxing. */ | |
3826 | ||
3827 | int | |
8edc77b9 | 3828 | sh_force_relocation (fixS *fix) |
252b5132 | 3829 | { |
8ba4dac0 DJ |
3830 | /* These relocations can't make it into a DSO, so no use forcing |
3831 | them for global symbols. */ | |
28602ebf | 3832 | if (sh_local_pcrel (fix)) |
8ba4dac0 DJ |
3833 | return 0; |
3834 | ||
9efb3b7b | 3835 | /* Make sure some relocations get emitted. */ |
ae6063d4 | 3836 | if (fix->fx_r_type == BFD_RELOC_SH_LOOP_START |
a161fe53 | 3837 | || fix->fx_r_type == BFD_RELOC_SH_LOOP_END |
9efb3b7b KK |
3838 | || fix->fx_r_type == BFD_RELOC_SH_TLS_GD_32 |
3839 | || fix->fx_r_type == BFD_RELOC_SH_TLS_LD_32 | |
3840 | || fix->fx_r_type == BFD_RELOC_SH_TLS_IE_32 | |
3841 | || fix->fx_r_type == BFD_RELOC_SH_TLS_LDO_32 | |
3842 | || fix->fx_r_type == BFD_RELOC_SH_TLS_LE_32 | |
ae6063d4 | 3843 | || generic_force_reloc (fix)) |
252b5132 RH |
3844 | return 1; |
3845 | ||
3846 | if (! sh_relax) | |
3847 | return 0; | |
3848 | ||
3849 | return (fix->fx_pcrel | |
3850 | || SWITCH_TABLE (fix) | |
3851 | || fix->fx_r_type == BFD_RELOC_SH_COUNT | |
3852 | || fix->fx_r_type == BFD_RELOC_SH_ALIGN | |
3853 | || fix->fx_r_type == BFD_RELOC_SH_CODE | |
3854 | || fix->fx_r_type == BFD_RELOC_SH_DATA | |
324bfcf3 AO |
3855 | #ifdef HAVE_SH64 |
3856 | || fix->fx_r_type == BFD_RELOC_SH_SHMEDIA_CODE | |
3857 | #endif | |
252b5132 RH |
3858 | || fix->fx_r_type == BFD_RELOC_SH_LABEL); |
3859 | } | |
3860 | ||
3861 | #ifdef OBJ_ELF | |
b34976b6 | 3862 | bfd_boolean |
8edc77b9 | 3863 | sh_fix_adjustable (fixS *fixP) |
252b5132 | 3864 | { |
a161fe53 AM |
3865 | if (fixP->fx_r_type == BFD_RELOC_32_PLT_PCREL |
3866 | || fixP->fx_r_type == BFD_RELOC_32_GOT_PCREL | |
8e45593f | 3867 | || fixP->fx_r_type == BFD_RELOC_SH_GOT20 |
a161fe53 | 3868 | || fixP->fx_r_type == BFD_RELOC_SH_GOTPC |
8e45593f NC |
3869 | || fixP->fx_r_type == BFD_RELOC_SH_GOTFUNCDESC |
3870 | || fixP->fx_r_type == BFD_RELOC_SH_GOTFUNCDESC20 | |
3871 | || fixP->fx_r_type == BFD_RELOC_SH_GOTOFFFUNCDESC | |
3872 | || fixP->fx_r_type == BFD_RELOC_SH_GOTOFFFUNCDESC20 | |
3873 | || fixP->fx_r_type == BFD_RELOC_SH_FUNCDESC | |
f55629b8 | 3874 | || ((fixP->fx_r_type == BFD_RELOC_32) && dont_adjust_reloc_32) |
a1cc9221 AO |
3875 | || fixP->fx_r_type == BFD_RELOC_RVA) |
3876 | return 0; | |
3877 | ||
252b5132 RH |
3878 | /* We need the symbol name for the VTABLE entries */ |
3879 | if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT | |
3880 | || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY) | |
3881 | return 0; | |
3882 | ||
3883 | return 1; | |
3884 | } | |
d4845d57 | 3885 | |
6b31947e | 3886 | void |
8edc77b9 | 3887 | sh_elf_final_processing (void) |
d4845d57 JR |
3888 | { |
3889 | int val; | |
3890 | ||
3891 | /* Set file-specific flags to indicate if this code needs | |
88da98f3 | 3892 | a processor with the sh-dsp / sh2e ISA to execute. */ |
324bfcf3 AO |
3893 | #ifdef HAVE_SH64 |
3894 | /* SH5 and above don't know about the valid_arch arch_sh* bits defined | |
3895 | in sh-opc.h, so check SH64 mode before checking valid_arch. */ | |
3896 | if (sh64_isa_mode != sh64_isa_unspecified) | |
3897 | val = EF_SH5; | |
3898 | else | |
1a320fbb NC |
3899 | #elif defined TARGET_SYMBIAN |
3900 | if (1) | |
1a66a017 NC |
3901 | { |
3902 | extern int sh_symbian_find_elf_flags (unsigned int); | |
3903 | ||
3904 | val = sh_symbian_find_elf_flags (valid_arch); | |
3905 | } | |
1a320fbb | 3906 | else |
324bfcf3 | 3907 | #endif /* HAVE_SH64 */ |
f6f9408f | 3908 | val = sh_find_elf_flags (valid_arch); |
d4845d57 JR |
3909 | |
3910 | elf_elfheader (stdoutput)->e_flags &= ~EF_SH_MACH_MASK; | |
3911 | elf_elfheader (stdoutput)->e_flags |= val; | |
8e45593f NC |
3912 | |
3913 | if (sh_fdpic) | |
3914 | elf_elfheader (stdoutput)->e_flags |= EF_SH_FDPIC; | |
3915 | } | |
3916 | #endif | |
3917 | ||
3918 | #ifdef TE_UCLINUX | |
3919 | /* Return the target format for uClinux. */ | |
3920 | ||
3921 | const char * | |
3922 | sh_uclinux_target_format (void) | |
3923 | { | |
3924 | if (sh_fdpic) | |
3925 | return (!target_big_endian ? "elf32-sh-fdpic" : "elf32-shbig-fdpic"); | |
3926 | else | |
3927 | return (!target_big_endian ? "elf32-shl" : "elf32-sh"); | |
d4845d57 | 3928 | } |
252b5132 RH |
3929 | #endif |
3930 | ||
55e6e397 RS |
3931 | /* Apply fixup FIXP to SIZE-byte field BUF given that VAL is its |
3932 | assembly-time value. If we're generating a reloc for FIXP, | |
3933 | see whether the addend should be stored in-place or whether | |
3934 | it should be in an ELF r_addend field. */ | |
3935 | ||
3936 | static void | |
3937 | apply_full_field_fix (fixS *fixP, char *buf, bfd_vma val, int size) | |
3938 | { | |
3939 | reloc_howto_type *howto; | |
3940 | ||
3941 | if (fixP->fx_addsy != NULL || fixP->fx_pcrel) | |
3942 | { | |
3943 | howto = bfd_reloc_type_lookup (stdoutput, fixP->fx_r_type); | |
3944 | if (howto && !howto->partial_inplace) | |
3945 | { | |
3946 | fixP->fx_addnumber = val; | |
3947 | return; | |
3948 | } | |
3949 | } | |
3950 | md_number_to_chars (buf, val, size); | |
3951 | } | |
3952 | ||
252b5132 RH |
3953 | /* Apply a fixup to the object file. */ |
3954 | ||
252b5132 | 3955 | void |
55cf6793 | 3956 | md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) |
252b5132 RH |
3957 | { |
3958 | char *buf = fixP->fx_where + fixP->fx_frag->fr_literal; | |
3959 | int lowbyte = target_big_endian ? 1 : 0; | |
3960 | int highbyte = target_big_endian ? 0 : 1; | |
2ed5f585 | 3961 | long val = (long) *valP; |
252b5132 RH |
3962 | long max, min; |
3963 | int shift; | |
3964 | ||
a1cc9221 AO |
3965 | /* A difference between two symbols, the second of which is in the |
3966 | current section, is transformed in a PC-relative relocation to | |
3967 | the other symbol. We have to adjust the relocation type here. */ | |
3968 | if (fixP->fx_pcrel) | |
3969 | { | |
32b9ff0d TS |
3970 | #ifndef HAVE_SH64 |
3971 | /* Safeguard; this must not occur for non-sh64 configurations. */ | |
3972 | gas_assert (fixP->fx_r_type != BFD_RELOC_64); | |
3973 | #endif | |
3974 | ||
a1cc9221 AO |
3975 | switch (fixP->fx_r_type) |
3976 | { | |
3977 | default: | |
3978 | break; | |
3979 | ||
3980 | case BFD_RELOC_32: | |
3981 | fixP->fx_r_type = BFD_RELOC_32_PCREL; | |
3982 | break; | |
3983 | ||
3984 | /* Currently, we only support 32-bit PCREL relocations. | |
3985 | We'd need a new reloc type to handle 16_PCREL, and | |
3986 | 8_PCREL is already taken for R_SH_SWITCH8, which | |
3987 | apparently does something completely different than what | |
3988 | we need. FIXME. */ | |
3989 | case BFD_RELOC_16: | |
3990 | bfd_set_error (bfd_error_bad_value); | |
94f592af | 3991 | return; |
81d4177b | 3992 | |
a1cc9221 AO |
3993 | case BFD_RELOC_8: |
3994 | bfd_set_error (bfd_error_bad_value); | |
94f592af | 3995 | return; |
a1cc9221 AO |
3996 | } |
3997 | } | |
3998 | ||
6b31947e NC |
3999 | /* The function adjust_reloc_syms won't convert a reloc against a weak |
4000 | symbol into a reloc against a section, but bfd_install_relocation | |
4001 | will screw up if the symbol is defined, so we have to adjust val here | |
1308f14c HPN |
4002 | to avoid the screw up later. |
4003 | ||
4004 | For ordinary relocs, this does not happen for ELF, since for ELF, | |
4005 | bfd_install_relocation uses the "special function" field of the | |
4006 | howto, and does not execute the code that needs to be undone, as long | |
4007 | as the special function does not return bfd_reloc_continue. | |
4008 | It can happen for GOT- and PLT-type relocs the way they are | |
4009 | described in elf32-sh.c as they use bfd_elf_generic_reloc, but it | |
4010 | doesn't matter here since those relocs don't use VAL; see below. */ | |
4011 | if (OUTPUT_FLAVOR != bfd_target_elf_flavour | |
4012 | && fixP->fx_addsy != NULL | |
252b5132 RH |
4013 | && S_IS_WEAK (fixP->fx_addsy)) |
4014 | val -= S_GET_VALUE (fixP->fx_addsy); | |
252b5132 | 4015 | |
bdfaef52 JR |
4016 | if (SWITCH_TABLE (fixP)) |
4017 | val -= S_GET_VALUE (fixP->fx_subsy); | |
252b5132 RH |
4018 | |
4019 | max = min = 0; | |
4020 | shift = 0; | |
4021 | switch (fixP->fx_r_type) | |
4022 | { | |
1d70c7fb AO |
4023 | case BFD_RELOC_SH_IMM3: |
4024 | max = 0x7; | |
4025 | * buf = (* buf & 0xf8) | (val & 0x7); | |
4026 | break; | |
4027 | case BFD_RELOC_SH_IMM3U: | |
4028 | max = 0x7; | |
4029 | * buf = (* buf & 0x8f) | ((val & 0x7) << 4); | |
4030 | break; | |
4031 | case BFD_RELOC_SH_DISP12: | |
4032 | max = 0xfff; | |
4033 | buf[lowbyte] = val & 0xff; | |
4034 | buf[highbyte] |= (val >> 8) & 0x0f; | |
4035 | break; | |
4036 | case BFD_RELOC_SH_DISP12BY2: | |
4037 | max = 0xfff; | |
4038 | shift = 1; | |
4039 | buf[lowbyte] = (val >> 1) & 0xff; | |
4040 | buf[highbyte] |= (val >> 9) & 0x0f; | |
4041 | break; | |
4042 | case BFD_RELOC_SH_DISP12BY4: | |
4043 | max = 0xfff; | |
4044 | shift = 2; | |
4045 | buf[lowbyte] = (val >> 2) & 0xff; | |
4046 | buf[highbyte] |= (val >> 10) & 0x0f; | |
4047 | break; | |
4048 | case BFD_RELOC_SH_DISP12BY8: | |
4049 | max = 0xfff; | |
4050 | shift = 3; | |
4051 | buf[lowbyte] = (val >> 3) & 0xff; | |
4052 | buf[highbyte] |= (val >> 11) & 0x0f; | |
4053 | break; | |
4054 | case BFD_RELOC_SH_DISP20: | |
4055 | if (! target_big_endian) | |
4056 | abort(); | |
4057 | max = 0x7ffff; | |
4058 | min = -0x80000; | |
28013b5c | 4059 | buf[1] = (buf[1] & 0x0f) | ((val >> 12) & 0xf0); |
1d70c7fb AO |
4060 | buf[2] = (val >> 8) & 0xff; |
4061 | buf[3] = val & 0xff; | |
4062 | break; | |
4063 | case BFD_RELOC_SH_DISP20BY8: | |
4064 | if (!target_big_endian) | |
4065 | abort(); | |
4066 | max = 0x7ffff; | |
4067 | min = -0x80000; | |
4068 | shift = 8; | |
28013b5c | 4069 | buf[1] = (buf[1] & 0x0f) | ((val >> 20) & 0xf0); |
1d70c7fb AO |
4070 | buf[2] = (val >> 16) & 0xff; |
4071 | buf[3] = (val >> 8) & 0xff; | |
4072 | break; | |
4073 | ||
252b5132 RH |
4074 | case BFD_RELOC_SH_IMM4: |
4075 | max = 0xf; | |
4076 | *buf = (*buf & 0xf0) | (val & 0xf); | |
4077 | break; | |
4078 | ||
4079 | case BFD_RELOC_SH_IMM4BY2: | |
4080 | max = 0xf; | |
4081 | shift = 1; | |
4082 | *buf = (*buf & 0xf0) | ((val >> 1) & 0xf); | |
4083 | break; | |
4084 | ||
4085 | case BFD_RELOC_SH_IMM4BY4: | |
4086 | max = 0xf; | |
4087 | shift = 2; | |
4088 | *buf = (*buf & 0xf0) | ((val >> 2) & 0xf); | |
4089 | break; | |
4090 | ||
4091 | case BFD_RELOC_SH_IMM8BY2: | |
4092 | max = 0xff; | |
4093 | shift = 1; | |
4094 | *buf = val >> 1; | |
4095 | break; | |
4096 | ||
4097 | case BFD_RELOC_SH_IMM8BY4: | |
4098 | max = 0xff; | |
4099 | shift = 2; | |
4100 | *buf = val >> 2; | |
4101 | break; | |
4102 | ||
4103 | case BFD_RELOC_8: | |
4104 | case BFD_RELOC_SH_IMM8: | |
4105 | /* Sometimes the 8 bit value is sign extended (e.g., add) and | |
4106 | sometimes it is not (e.g., and). We permit any 8 bit value. | |
4107 | Note that adding further restrictions may invalidate | |
4108 | reasonable looking assembly code, such as ``and -0x1,r0''. */ | |
4109 | max = 0xff; | |
c4aa876b | 4110 | min = -0xff; |
252b5132 RH |
4111 | *buf++ = val; |
4112 | break; | |
4113 | ||
4114 | case BFD_RELOC_SH_PCRELIMM8BY4: | |
52b5ca5b AS |
4115 | /* If we are dealing with a known destination ... */ |
4116 | if ((fixP->fx_addsy == NULL || S_IS_DEFINED (fixP->fx_addsy)) | |
4117 | && (fixP->fx_subsy == NULL || S_IS_DEFINED (fixP->fx_addsy))) | |
4118 | { | |
4119 | /* Don't silently move the destination due to misalignment. | |
4120 | The absolute address is the fragment base plus the offset into | |
4121 | the fragment plus the pc relative offset to the label. */ | |
4122 | if ((fixP->fx_frag->fr_address + fixP->fx_where + val) & 3) | |
4123 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
4124 | _("offset to unaligned destination")); | |
4125 | ||
4126 | /* The displacement cannot be zero or backward even if aligned. | |
4127 | Allow -2 because val has already been adjusted somewhere. */ | |
4128 | if (val < -2) | |
4129 | as_bad_where (fixP->fx_file, fixP->fx_line, _("negative offset")); | |
4130 | } | |
4131 | ||
252b5132 RH |
4132 | /* The lower two bits of the PC are cleared before the |
4133 | displacement is added in. We can assume that the destination | |
67c1ffbe | 4134 | is on a 4 byte boundary. If this instruction is also on a 4 |
252b5132 RH |
4135 | byte boundary, then we want |
4136 | (target - here) / 4 | |
4137 | and target - here is a multiple of 4. | |
4138 | Otherwise, we are on a 2 byte boundary, and we want | |
4139 | (target - (here - 2)) / 4 | |
4140 | and target - here is not a multiple of 4. Computing | |
4141 | (target - (here - 2)) / 4 == (target - here + 2) / 4 | |
4142 | works for both cases, since in the first case the addition of | |
4143 | 2 will be removed by the division. target - here is in the | |
4144 | variable val. */ | |
4145 | val = (val + 2) / 4; | |
4146 | if (val & ~0xff) | |
4147 | as_bad_where (fixP->fx_file, fixP->fx_line, _("pcrel too far")); | |
4148 | buf[lowbyte] = val; | |
4149 | break; | |
4150 | ||
4151 | case BFD_RELOC_SH_PCRELIMM8BY2: | |
4152 | val /= 2; | |
4153 | if (val & ~0xff) | |
4154 | as_bad_where (fixP->fx_file, fixP->fx_line, _("pcrel too far")); | |
4155 | buf[lowbyte] = val; | |
4156 | break; | |
4157 | ||
4158 | case BFD_RELOC_SH_PCDISP8BY2: | |
4159 | val /= 2; | |
4160 | if (val < -0x80 || val > 0x7f) | |
4161 | as_bad_where (fixP->fx_file, fixP->fx_line, _("pcrel too far")); | |
4162 | buf[lowbyte] = val; | |
4163 | break; | |
4164 | ||
4165 | case BFD_RELOC_SH_PCDISP12BY2: | |
4166 | val /= 2; | |
8637c045 | 4167 | if (val < -0x800 || val > 0x7ff) |
252b5132 RH |
4168 | as_bad_where (fixP->fx_file, fixP->fx_line, _("pcrel too far")); |
4169 | buf[lowbyte] = val & 0xff; | |
4170 | buf[highbyte] |= (val >> 8) & 0xf; | |
4171 | break; | |
4172 | ||
32b9ff0d TS |
4173 | #ifndef HAVE_SH64 |
4174 | case BFD_RELOC_64: | |
4175 | apply_full_field_fix (fixP, buf, *valP, 8); | |
4176 | break; | |
4177 | #endif | |
4178 | ||
252b5132 | 4179 | case BFD_RELOC_32: |
a1cc9221 | 4180 | case BFD_RELOC_32_PCREL: |
55e6e397 | 4181 | apply_full_field_fix (fixP, buf, val, 4); |
252b5132 RH |
4182 | break; |
4183 | ||
4184 | case BFD_RELOC_16: | |
55e6e397 | 4185 | apply_full_field_fix (fixP, buf, val, 2); |
252b5132 RH |
4186 | break; |
4187 | ||
4188 | case BFD_RELOC_SH_USES: | |
fefaa1aa | 4189 | /* Pass the value into sh_reloc(). */ |
252b5132 RH |
4190 | fixP->fx_addnumber = val; |
4191 | break; | |
4192 | ||
4193 | case BFD_RELOC_SH_COUNT: | |
4194 | case BFD_RELOC_SH_ALIGN: | |
4195 | case BFD_RELOC_SH_CODE: | |
4196 | case BFD_RELOC_SH_DATA: | |
4197 | case BFD_RELOC_SH_LABEL: | |
4198 | /* Nothing to do here. */ | |
4199 | break; | |
4200 | ||
015551fc JR |
4201 | case BFD_RELOC_SH_LOOP_START: |
4202 | case BFD_RELOC_SH_LOOP_END: | |
4203 | ||
252b5132 RH |
4204 | case BFD_RELOC_VTABLE_INHERIT: |
4205 | case BFD_RELOC_VTABLE_ENTRY: | |
4206 | fixP->fx_done = 0; | |
4207 | return; | |
4208 | ||
a1cc9221 AO |
4209 | #ifdef OBJ_ELF |
4210 | case BFD_RELOC_32_PLT_PCREL: | |
4211 | /* Make the jump instruction point to the address of the operand. At | |
81d4177b | 4212 | runtime we merely add the offset to the actual PLT entry. */ |
94f592af | 4213 | * valP = 0xfffffffc; |
0174e383 | 4214 | val = fixP->fx_offset; |
ac3f04d7 AO |
4215 | if (fixP->fx_subsy) |
4216 | val -= S_GET_VALUE (fixP->fx_subsy); | |
55e6e397 | 4217 | apply_full_field_fix (fixP, buf, val, 4); |
a1cc9221 AO |
4218 | break; |
4219 | ||
4220 | case BFD_RELOC_SH_GOTPC: | |
4221 | /* This is tough to explain. We end up with this one if we have | |
4222 | operands that look like "_GLOBAL_OFFSET_TABLE_+[.-.L284]". | |
4223 | The goal here is to obtain the absolute address of the GOT, | |
4224 | and it is strongly preferable from a performance point of | |
4225 | view to avoid using a runtime relocation for this. There are | |
4226 | cases where you have something like: | |
81d4177b | 4227 | |
a1cc9221 | 4228 | .long _GLOBAL_OFFSET_TABLE_+[.-.L66] |
81d4177b | 4229 | |
a1cc9221 AO |
4230 | and here no correction would be required. Internally in the |
4231 | assembler we treat operands of this form as not being pcrel | |
4232 | since the '.' is explicitly mentioned, and I wonder whether | |
4233 | it would simplify matters to do it this way. Who knows. In | |
4234 | earlier versions of the PIC patches, the pcrel_adjust field | |
4235 | was used to store the correction, but since the expression is | |
4236 | not pcrel, I felt it would be confusing to do it this way. */ | |
94f592af | 4237 | * valP -= 1; |
55e6e397 | 4238 | apply_full_field_fix (fixP, buf, val, 4); |
a1cc9221 AO |
4239 | break; |
4240 | ||
9efb3b7b KK |
4241 | case BFD_RELOC_SH_TLS_GD_32: |
4242 | case BFD_RELOC_SH_TLS_LD_32: | |
4243 | case BFD_RELOC_SH_TLS_IE_32: | |
2bba4140 KK |
4244 | S_SET_THREAD_LOCAL (fixP->fx_addsy); |
4245 | /* Fallthrough */ | |
4246 | case BFD_RELOC_32_GOT_PCREL: | |
8e45593f | 4247 | case BFD_RELOC_SH_GOT20: |
2bba4140 | 4248 | case BFD_RELOC_SH_GOTPLT32: |
8e45593f NC |
4249 | case BFD_RELOC_SH_GOTFUNCDESC: |
4250 | case BFD_RELOC_SH_GOTFUNCDESC20: | |
4251 | case BFD_RELOC_SH_GOTOFFFUNCDESC: | |
4252 | case BFD_RELOC_SH_GOTOFFFUNCDESC20: | |
4253 | case BFD_RELOC_SH_FUNCDESC: | |
94f592af | 4254 | * valP = 0; /* Fully resolved at runtime. No addend. */ |
55e6e397 | 4255 | apply_full_field_fix (fixP, buf, 0, 4); |
a1cc9221 AO |
4256 | break; |
4257 | ||
9efb3b7b KK |
4258 | case BFD_RELOC_SH_TLS_LDO_32: |
4259 | case BFD_RELOC_SH_TLS_LE_32: | |
2bba4140 KK |
4260 | S_SET_THREAD_LOCAL (fixP->fx_addsy); |
4261 | /* Fallthrough */ | |
4262 | case BFD_RELOC_32_GOTOFF: | |
8e45593f | 4263 | case BFD_RELOC_SH_GOTOFF20: |
55e6e397 | 4264 | apply_full_field_fix (fixP, buf, val, 4); |
a1cc9221 AO |
4265 | break; |
4266 | #endif | |
4267 | ||
252b5132 | 4268 | default: |
324bfcf3 | 4269 | #ifdef HAVE_SH64 |
55cf6793 | 4270 | shmedia_md_apply_fix (fixP, valP); |
324bfcf3 AO |
4271 | return; |
4272 | #else | |
252b5132 | 4273 | abort (); |
324bfcf3 | 4274 | #endif |
252b5132 RH |
4275 | } |
4276 | ||
4277 | if (shift != 0) | |
4278 | { | |
4279 | if ((val & ((1 << shift) - 1)) != 0) | |
4280 | as_bad_where (fixP->fx_file, fixP->fx_line, _("misaligned offset")); | |
4281 | if (val >= 0) | |
4282 | val >>= shift; | |
4283 | else | |
4284 | val = ((val >> shift) | |
4285 | | ((long) -1 & ~ ((long) -1 >> shift))); | |
4286 | } | |
0c9b4fd7 KK |
4287 | |
4288 | /* Extend sign for 64-bit host. */ | |
4289 | val = ((val & 0xffffffff) ^ 0x80000000) - 0x80000000; | |
252b5132 RH |
4290 | if (max != 0 && (val < min || val > max)) |
4291 | as_bad_where (fixP->fx_file, fixP->fx_line, _("offset out of range")); | |
01eaea5a NC |
4292 | else if (max != 0) |
4293 | /* Stop the generic code from trying to overlow check the value as well. | |
4294 | It may not have the correct value anyway, as we do not store val back | |
4295 | into *valP. */ | |
4296 | fixP->fx_no_overflow = 1; | |
252b5132 | 4297 | |
94f592af NC |
4298 | if (fixP->fx_addsy == NULL && fixP->fx_pcrel == 0) |
4299 | fixP->fx_done = 1; | |
252b5132 RH |
4300 | } |
4301 | ||
4302 | /* Called just before address relaxation. Return the length | |
4303 | by which a fragment must grow to reach it's destination. */ | |
4304 | ||
4305 | int | |
8edc77b9 | 4306 | md_estimate_size_before_relax (fragS *fragP, segT segment_type) |
252b5132 | 4307 | { |
e66457fb AM |
4308 | int what; |
4309 | ||
252b5132 RH |
4310 | switch (fragP->fr_subtype) |
4311 | { | |
93c2a809 | 4312 | default: |
324bfcf3 AO |
4313 | #ifdef HAVE_SH64 |
4314 | return shmedia_md_estimate_size_before_relax (fragP, segment_type); | |
4315 | #else | |
93c2a809 | 4316 | abort (); |
324bfcf3 AO |
4317 | #endif |
4318 | ||
93c2a809 | 4319 | |
252b5132 | 4320 | case C (UNCOND_JUMP, UNDEF_DISP): |
6b31947e | 4321 | /* Used to be a branch to somewhere which was unknown. */ |
252b5132 RH |
4322 | if (!fragP->fr_symbol) |
4323 | { | |
4324 | fragP->fr_subtype = C (UNCOND_JUMP, UNCOND12); | |
252b5132 RH |
4325 | } |
4326 | else if (S_GET_SEGMENT (fragP->fr_symbol) == segment_type) | |
4327 | { | |
4328 | fragP->fr_subtype = C (UNCOND_JUMP, UNCOND12); | |
252b5132 RH |
4329 | } |
4330 | else | |
4331 | { | |
4332 | fragP->fr_subtype = C (UNCOND_JUMP, UNDEF_WORD_DISP); | |
252b5132 RH |
4333 | } |
4334 | break; | |
4335 | ||
252b5132 RH |
4336 | case C (COND_JUMP, UNDEF_DISP): |
4337 | case C (COND_JUMP_DELAY, UNDEF_DISP): | |
e66457fb | 4338 | what = GET_WHAT (fragP->fr_subtype); |
6b31947e | 4339 | /* Used to be a branch to somewhere which was unknown. */ |
252b5132 RH |
4340 | if (fragP->fr_symbol |
4341 | && S_GET_SEGMENT (fragP->fr_symbol) == segment_type) | |
4342 | { | |
252b5132 | 4343 | /* Got a symbol and it's defined in this segment, become byte |
6b31947e | 4344 | sized - maybe it will fix up. */ |
252b5132 | 4345 | fragP->fr_subtype = C (what, COND8); |
252b5132 RH |
4346 | } |
4347 | else if (fragP->fr_symbol) | |
4348 | { | |
6b31947e | 4349 | /* Its got a segment, but its not ours, so it will always be long. */ |
252b5132 | 4350 | fragP->fr_subtype = C (what, UNDEF_WORD_DISP); |
252b5132 RH |
4351 | } |
4352 | else | |
4353 | { | |
6b31947e | 4354 | /* We know the abs value. */ |
252b5132 | 4355 | fragP->fr_subtype = C (what, COND8); |
252b5132 | 4356 | } |
93c2a809 | 4357 | break; |
252b5132 | 4358 | |
93c2a809 | 4359 | case C (UNCOND_JUMP, UNCOND12): |
e66457fb | 4360 | case C (UNCOND_JUMP, UNCOND32): |
93c2a809 AM |
4361 | case C (UNCOND_JUMP, UNDEF_WORD_DISP): |
4362 | case C (COND_JUMP, COND8): | |
e66457fb AM |
4363 | case C (COND_JUMP, COND12): |
4364 | case C (COND_JUMP, COND32): | |
93c2a809 AM |
4365 | case C (COND_JUMP, UNDEF_WORD_DISP): |
4366 | case C (COND_JUMP_DELAY, COND8): | |
e66457fb AM |
4367 | case C (COND_JUMP_DELAY, COND12): |
4368 | case C (COND_JUMP_DELAY, COND32): | |
93c2a809 AM |
4369 | case C (COND_JUMP_DELAY, UNDEF_WORD_DISP): |
4370 | /* When relaxing a section for the second time, we don't need to | |
e66457fb | 4371 | do anything besides return the current size. */ |
252b5132 RH |
4372 | break; |
4373 | } | |
e66457fb AM |
4374 | |
4375 | fragP->fr_var = md_relax_table[fragP->fr_subtype].rlx_length; | |
252b5132 RH |
4376 | return fragP->fr_var; |
4377 | } | |
4378 | ||
6b31947e | 4379 | /* Put number into target byte order. */ |
252b5132 RH |
4380 | |
4381 | void | |
8edc77b9 | 4382 | md_number_to_chars (char *ptr, valueT use, int nbytes) |
252b5132 | 4383 | { |
324bfcf3 AO |
4384 | #ifdef HAVE_SH64 |
4385 | /* We might need to set the contents type to data. */ | |
4386 | sh64_flag_output (); | |
4387 | #endif | |
4388 | ||
252b5132 RH |
4389 | if (! target_big_endian) |
4390 | number_to_chars_littleendian (ptr, use, nbytes); | |
4391 | else | |
4392 | number_to_chars_bigendian (ptr, use, nbytes); | |
4393 | } | |
4394 | ||
7be1c489 | 4395 | /* This version is used in obj-coff.c eg. for the sh-hms target. */ |
cce5a618 NC |
4396 | |
4397 | long | |
8edc77b9 | 4398 | md_pcrel_from (fixS *fixP) |
cce5a618 NC |
4399 | { |
4400 | return fixP->fx_size + fixP->fx_where + fixP->fx_frag->fr_address + 2; | |
4401 | } | |
4402 | ||
252b5132 | 4403 | long |
8edc77b9 | 4404 | md_pcrel_from_section (fixS *fixP, segT sec) |
252b5132 | 4405 | { |
28602ebf KK |
4406 | if (! sh_local_pcrel (fixP) |
4407 | && fixP->fx_addsy != (symbolS *) NULL | |
ae6063d4 | 4408 | && (generic_force_reloc (fixP) |
ef17112f HPN |
4409 | || S_GET_SEGMENT (fixP->fx_addsy) != sec)) |
4410 | { | |
4411 | /* The symbol is undefined (or is defined but not in this section, | |
4412 | or we're not sure about it being the final definition). Let the | |
4413 | linker figure it out. We need to adjust the subtraction of a | |
4414 | symbol to the position of the relocated data, though. */ | |
4415 | return fixP->fx_subsy ? fixP->fx_where + fixP->fx_frag->fr_address : 0; | |
4416 | } | |
4417 | ||
cce5a618 | 4418 | return md_pcrel_from (fixP); |
252b5132 RH |
4419 | } |
4420 | ||
252b5132 RH |
4421 | /* Create a reloc. */ |
4422 | ||
4423 | arelent * | |
8edc77b9 | 4424 | tc_gen_reloc (asection *section ATTRIBUTE_UNUSED, fixS *fixp) |
252b5132 RH |
4425 | { |
4426 | arelent *rel; | |
4427 | bfd_reloc_code_real_type r_type; | |
4428 | ||
4429 | rel = (arelent *) xmalloc (sizeof (arelent)); | |
49309057 ILT |
4430 | rel->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); |
4431 | *rel->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); | |
252b5132 RH |
4432 | rel->address = fixp->fx_frag->fr_address + fixp->fx_where; |
4433 | ||
4434 | r_type = fixp->fx_r_type; | |
4435 | ||
4436 | if (SWITCH_TABLE (fixp)) | |
4437 | { | |
bdfaef52 JR |
4438 | *rel->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_subsy); |
4439 | rel->addend = 0; | |
252b5132 RH |
4440 | if (r_type == BFD_RELOC_16) |
4441 | r_type = BFD_RELOC_SH_SWITCH16; | |
4442 | else if (r_type == BFD_RELOC_8) | |
4443 | r_type = BFD_RELOC_8_PCREL; | |
4444 | else if (r_type == BFD_RELOC_32) | |
4445 | r_type = BFD_RELOC_SH_SWITCH32; | |
4446 | else | |
4447 | abort (); | |
4448 | } | |
4449 | else if (r_type == BFD_RELOC_SH_USES) | |
4450 | rel->addend = fixp->fx_addnumber; | |
4451 | else if (r_type == BFD_RELOC_SH_COUNT) | |
4452 | rel->addend = fixp->fx_offset; | |
4453 | else if (r_type == BFD_RELOC_SH_ALIGN) | |
4454 | rel->addend = fixp->fx_offset; | |
4455 | else if (r_type == BFD_RELOC_VTABLE_INHERIT | |
4456 | || r_type == BFD_RELOC_VTABLE_ENTRY) | |
4457 | rel->addend = fixp->fx_offset; | |
015551fc JR |
4458 | else if (r_type == BFD_RELOC_SH_LOOP_START |
4459 | || r_type == BFD_RELOC_SH_LOOP_END) | |
4460 | rel->addend = fixp->fx_offset; | |
4461 | else if (r_type == BFD_RELOC_SH_LABEL && fixp->fx_pcrel) | |
4462 | { | |
4463 | rel->addend = 0; | |
4464 | rel->address = rel->addend = fixp->fx_offset; | |
4465 | } | |
324bfcf3 AO |
4466 | #ifdef HAVE_SH64 |
4467 | else if (shmedia_init_reloc (rel, fixp)) | |
4468 | ; | |
4469 | #endif | |
252b5132 | 4470 | else |
55e6e397 | 4471 | rel->addend = fixp->fx_addnumber; |
252b5132 RH |
4472 | |
4473 | rel->howto = bfd_reloc_type_lookup (stdoutput, r_type); | |
78878175 | 4474 | |
a161fe53 | 4475 | if (rel->howto == NULL) |
252b5132 RH |
4476 | { |
4477 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
4478 | _("Cannot represent relocation type %s"), | |
4479 | bfd_get_reloc_code_name (r_type)); | |
4480 | /* Set howto to a garbage value so that we can keep going. */ | |
4481 | rel->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_32); | |
9c2799c2 | 4482 | gas_assert (rel->howto != NULL); |
252b5132 | 4483 | } |
78878175 NC |
4484 | #ifdef OBJ_ELF |
4485 | else if (rel->howto->type == R_SH_IND12W) | |
4486 | rel->addend += fixp->fx_offset - 4; | |
4487 | #endif | |
252b5132 RH |
4488 | |
4489 | return rel; | |
4490 | } | |
4491 | ||
538cd60f AO |
4492 | #ifdef OBJ_ELF |
4493 | inline static char * | |
8edc77b9 | 4494 | sh_end_of_match (char *cont, char *what) |
538cd60f AO |
4495 | { |
4496 | int len = strlen (what); | |
4497 | ||
4498 | if (strncasecmp (cont, what, strlen (what)) == 0 | |
4499 | && ! is_part_of_name (cont[len])) | |
4500 | return cont + len; | |
4501 | ||
4502 | return NULL; | |
5d6255fe | 4503 | } |
538cd60f AO |
4504 | |
4505 | int | |
9497f5ac NC |
4506 | sh_parse_name (char const *name, |
4507 | expressionS *exprP, | |
4508 | enum expr_mode mode, | |
4509 | char *nextcharP) | |
538cd60f AO |
4510 | { |
4511 | char *next = input_line_pointer; | |
4512 | char *next_end; | |
4513 | int reloc_type; | |
4514 | segT segment; | |
4515 | ||
4516 | exprP->X_op_symbol = NULL; | |
4517 | ||
4518 | if (strcmp (name, GLOBAL_OFFSET_TABLE_NAME) == 0) | |
4519 | { | |
4520 | if (! GOT_symbol) | |
4521 | GOT_symbol = symbol_find_or_make (name); | |
4522 | ||
4523 | exprP->X_add_symbol = GOT_symbol; | |
4524 | no_suffix: | |
4525 | /* If we have an absolute symbol or a reg, then we know its | |
37dedf66 | 4526 | value now. */ |
538cd60f | 4527 | segment = S_GET_SEGMENT (exprP->X_add_symbol); |
9497f5ac | 4528 | if (mode != expr_defer && segment == absolute_section) |
538cd60f AO |
4529 | { |
4530 | exprP->X_op = O_constant; | |
4531 | exprP->X_add_number = S_GET_VALUE (exprP->X_add_symbol); | |
4532 | exprP->X_add_symbol = NULL; | |
4533 | } | |
9497f5ac | 4534 | else if (mode != expr_defer && segment == reg_section) |
538cd60f AO |
4535 | { |
4536 | exprP->X_op = O_register; | |
4537 | exprP->X_add_number = S_GET_VALUE (exprP->X_add_symbol); | |
4538 | exprP->X_add_symbol = NULL; | |
4539 | } | |
4540 | else | |
4541 | { | |
4542 | exprP->X_op = O_symbol; | |
4543 | exprP->X_add_number = 0; | |
4544 | } | |
4545 | ||
4546 | return 1; | |
4547 | } | |
4548 | ||
4549 | exprP->X_add_symbol = symbol_find_or_make (name); | |
5d6255fe | 4550 | |
538cd60f AO |
4551 | if (*nextcharP != '@') |
4552 | goto no_suffix; | |
4553 | else if ((next_end = sh_end_of_match (next + 1, "GOTOFF"))) | |
4554 | reloc_type = BFD_RELOC_32_GOTOFF; | |
324bfcf3 AO |
4555 | else if ((next_end = sh_end_of_match (next + 1, "GOTPLT"))) |
4556 | reloc_type = BFD_RELOC_SH_GOTPLT32; | |
538cd60f AO |
4557 | else if ((next_end = sh_end_of_match (next + 1, "GOT"))) |
4558 | reloc_type = BFD_RELOC_32_GOT_PCREL; | |
4559 | else if ((next_end = sh_end_of_match (next + 1, "PLT"))) | |
4560 | reloc_type = BFD_RELOC_32_PLT_PCREL; | |
9efb3b7b KK |
4561 | else if ((next_end = sh_end_of_match (next + 1, "TLSGD"))) |
4562 | reloc_type = BFD_RELOC_SH_TLS_GD_32; | |
4563 | else if ((next_end = sh_end_of_match (next + 1, "TLSLDM"))) | |
4564 | reloc_type = BFD_RELOC_SH_TLS_LD_32; | |
4565 | else if ((next_end = sh_end_of_match (next + 1, "GOTTPOFF"))) | |
4566 | reloc_type = BFD_RELOC_SH_TLS_IE_32; | |
4567 | else if ((next_end = sh_end_of_match (next + 1, "TPOFF"))) | |
4568 | reloc_type = BFD_RELOC_SH_TLS_LE_32; | |
4569 | else if ((next_end = sh_end_of_match (next + 1, "DTPOFF"))) | |
4570 | reloc_type = BFD_RELOC_SH_TLS_LDO_32; | |
8e45593f NC |
4571 | else if ((next_end = sh_end_of_match (next + 1, "PCREL"))) |
4572 | reloc_type = BFD_RELOC_32_PCREL; | |
4573 | else if ((next_end = sh_end_of_match (next + 1, "GOTFUNCDESC"))) | |
4574 | reloc_type = BFD_RELOC_SH_GOTFUNCDESC; | |
4575 | else if ((next_end = sh_end_of_match (next + 1, "GOTOFFFUNCDESC"))) | |
4576 | reloc_type = BFD_RELOC_SH_GOTOFFFUNCDESC; | |
4577 | else if ((next_end = sh_end_of_match (next + 1, "FUNCDESC"))) | |
4578 | reloc_type = BFD_RELOC_SH_FUNCDESC; | |
538cd60f AO |
4579 | else |
4580 | goto no_suffix; | |
4581 | ||
4582 | *input_line_pointer = *nextcharP; | |
4583 | input_line_pointer = next_end; | |
4584 | *nextcharP = *input_line_pointer; | |
4585 | *input_line_pointer = '\0'; | |
4586 | ||
4587 | exprP->X_op = O_PIC_reloc; | |
4588 | exprP->X_add_number = 0; | |
4589 | exprP->X_md = reloc_type; | |
4590 | ||
4591 | return 1; | |
4592 | } | |
2ce4cc60 KK |
4593 | |
4594 | void | |
4595 | sh_cfi_frame_initial_instructions (void) | |
4596 | { | |
4597 | cfi_add_CFA_def_cfa (15, 0); | |
4598 | } | |
4599 | ||
4600 | int | |
1df69f4f | 4601 | sh_regname_to_dw2regnum (char *regname) |
2ce4cc60 KK |
4602 | { |
4603 | unsigned int regnum = -1; | |
4604 | unsigned int i; | |
4605 | const char *p; | |
4606 | char *q; | |
4607 | static struct { char *name; int dw2regnum; } regnames[] = | |
4608 | { | |
4609 | { "pr", 17 }, { "t", 18 }, { "gbr", 19 }, { "mach", 20 }, | |
4610 | { "macl", 21 }, { "fpul", 23 } | |
4611 | }; | |
4612 | ||
4613 | for (i = 0; i < ARRAY_SIZE (regnames); ++i) | |
4614 | if (strcmp (regnames[i].name, regname) == 0) | |
4615 | return regnames[i].dw2regnum; | |
4616 | ||
4617 | if (regname[0] == 'r') | |
4618 | { | |
4619 | p = regname + 1; | |
4620 | regnum = strtoul (p, &q, 10); | |
4621 | if (p == q || *q || regnum >= 16) | |
4622 | return -1; | |
4623 | } | |
4624 | else if (regname[0] == 'f' && regname[1] == 'r') | |
4625 | { | |
4626 | p = regname + 2; | |
4627 | regnum = strtoul (p, &q, 10); | |
4628 | if (p == q || *q || regnum >= 16) | |
4629 | return -1; | |
4630 | regnum += 25; | |
4631 | } | |
4632 | else if (regname[0] == 'x' && regname[1] == 'd') | |
4633 | { | |
4634 | p = regname + 2; | |
4635 | regnum = strtoul (p, &q, 10); | |
4636 | if (p == q || *q || regnum >= 8) | |
4637 | return -1; | |
4638 | regnum += 87; | |
4639 | } | |
4640 | return regnum; | |
4641 | } | |
f17c130b | 4642 | #endif /* OBJ_ELF */ |