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e9f53129 AM |
1 | /* spu.c -- Assembler for the IBM Synergistic Processing Unit (SPU) |
2 | ||
b3adc24a | 3 | Copyright (C) 2006-2020 Free Software Foundation, Inc. |
e9f53129 AM |
4 | |
5 | This file is part of GAS, the GNU Assembler. | |
6 | ||
7 | GAS is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
ec2655a6 | 9 | the Free Software Foundation; either version 3, or (at your option) |
e9f53129 AM |
10 | any later version. |
11 | ||
12 | GAS is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GAS; see the file COPYING. If not, write to the Free | |
19 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA | |
20 | 02110-1301, USA. */ | |
21 | ||
22 | #include "as.h" | |
23 | #include "safe-ctype.h" | |
24 | #include "subsegs.h" | |
3739860c | 25 | #include "dwarf2dbg.h" |
e9f53129 AM |
26 | |
27 | const struct spu_opcode spu_opcodes[] = { | |
28 | #define APUOP(TAG,MACFORMAT,OPCODE,MNEMONIC,ASMFORMAT,DEP,PIPE) \ | |
2900e701 | 29 | { MACFORMAT, (OPCODE ## u) << (32-11), MNEMONIC, ASMFORMAT }, |
e9f53129 AM |
30 | #define APUOPFB(TAG,MACFORMAT,OPCODE,FB,MNEMONIC,ASMFORMAT,DEP,PIPE) \ |
31 | { MACFORMAT, ((OPCODE) << (32-11)) | ((FB) << (32-18)), MNEMONIC, ASMFORMAT }, | |
32 | #include "opcode/spu-insns.h" | |
33 | #undef APUOP | |
34 | #undef APUOPFB | |
35 | }; | |
36 | ||
37 | static const int spu_num_opcodes = | |
38 | sizeof (spu_opcodes) / sizeof (spu_opcodes[0]); | |
39 | ||
40 | #define MAX_RELOCS 2 | |
41 | ||
42 | struct spu_insn | |
43 | { | |
44 | unsigned int opcode; | |
45 | expressionS exp[MAX_RELOCS]; | |
46 | int reloc_arg[MAX_RELOCS]; | |
7bc3e93c | 47 | bfd_reloc_code_real_type reloc[MAX_RELOCS]; |
e9f53129 AM |
48 | enum spu_insns tag; |
49 | }; | |
50 | ||
51 | static const char *get_imm (const char *param, struct spu_insn *insn, int arg); | |
52 | static const char *get_reg (const char *param, struct spu_insn *insn, int arg, | |
53 | int accept_expr); | |
e9f53129 AM |
54 | static int calcop (struct spu_opcode *format, const char *param, |
55 | struct spu_insn *insn); | |
cd4a7468 | 56 | static void spu_brinfo (int); |
ece5ef60 | 57 | static void spu_cons (int); |
e9f53129 AM |
58 | |
59 | extern char *myname; | |
629310ab | 60 | static htab_t op_hash = NULL; |
e9f53129 AM |
61 | |
62 | /* These bits should be turned off in the first address of every segment */ | |
63 | int md_seg_align = 7; | |
64 | ||
65 | /* These chars start a comment anywhere in a source file (except inside | |
66 | another comment */ | |
67 | const char comment_chars[] = "#"; | |
68 | ||
69 | /* These chars only start a comment at the beginning of a line. */ | |
70 | const char line_comment_chars[] = "#"; | |
71 | ||
72 | /* gods own line continuation char */ | |
73 | const char line_separator_chars[] = ";"; | |
74 | ||
75 | /* Chars that can be used to separate mant from exp in floating point nums */ | |
76 | const char EXP_CHARS[] = "eE"; | |
77 | ||
78 | /* Chars that mean this number is a floating point constant */ | |
79 | /* as in 0f123.456 */ | |
80 | /* or 0H1.234E-12 (see exp chars above) */ | |
81 | const char FLT_CHARS[] = "dDfF"; | |
82 | ||
83 | const pseudo_typeS md_pseudo_table[] = | |
84 | { | |
85 | {"align", s_align_ptwo, 4}, | |
cd4a7468 | 86 | {"brinfo", spu_brinfo, 0}, |
ece5ef60 | 87 | {"bss", s_lcomm_bytes, 1}, |
e9f53129 AM |
88 | {"def", s_set, 0}, |
89 | {"dfloat", float_cons, 'd'}, | |
90 | {"ffloat", float_cons, 'f'}, | |
91 | {"global", s_globl, 0}, | |
92 | {"half", cons, 2}, | |
ece5ef60 AM |
93 | {"int", spu_cons, 4}, |
94 | {"long", spu_cons, 4}, | |
95 | {"quad", spu_cons, 8}, | |
38a57ae7 | 96 | {"string", stringer, 8 + 1}, |
ece5ef60 | 97 | {"word", spu_cons, 4}, |
e9f53129 AM |
98 | /* Force set to be treated as an instruction. */ |
99 | {"set", NULL, 0}, | |
100 | {".set", s_set, 0}, | |
cefdba39 AM |
101 | /* Likewise for eqv. */ |
102 | {"eqv", NULL, 0}, | |
103 | {".eqv", s_set, -1}, | |
e9f53129 AM |
104 | {0,0,0} |
105 | }; | |
106 | ||
cd4a7468 AM |
107 | /* Bits plugged into branch instruction offset field. */ |
108 | unsigned int brinfo; | |
109 | ||
e9f53129 AM |
110 | void |
111 | md_begin (void) | |
112 | { | |
e9f53129 AM |
113 | int i; |
114 | ||
629310ab | 115 | op_hash = str_htab_create (); |
e9f53129 | 116 | |
fe0e921f AM |
117 | /* Hash each mnemonic and record its position. There are |
118 | duplicates, keep just the first. */ | |
e9f53129 | 119 | for (i = 0; i < spu_num_opcodes; i++) |
fe0e921f | 120 | str_hash_insert (op_hash, spu_opcodes[i].mnemonic, &spu_opcodes[i], 0); |
e9f53129 AM |
121 | } |
122 | \f | |
123 | const char *md_shortopts = ""; | |
124 | struct option md_longopts[] = { | |
125 | #define OPTION_APUASM (OPTION_MD_BASE) | |
126 | {"apuasm", no_argument, NULL, OPTION_APUASM}, | |
127 | #define OPTION_DD2 (OPTION_MD_BASE+1) | |
128 | {"mdd2.0", no_argument, NULL, OPTION_DD2}, | |
129 | #define OPTION_DD1 (OPTION_MD_BASE+2) | |
130 | {"mdd1.0", no_argument, NULL, OPTION_DD1}, | |
131 | #define OPTION_DD3 (OPTION_MD_BASE+3) | |
132 | {"mdd3.0", no_argument, NULL, OPTION_DD3}, | |
133 | { NULL, no_argument, NULL, 0 } | |
134 | }; | |
135 | size_t md_longopts_size = sizeof (md_longopts); | |
136 | ||
137 | /* When set (by -apuasm) our assembler emulates the behaviour of apuasm. | |
138 | * e.g. don't add bias to float conversion and don't right shift | |
139 | * immediate values. */ | |
140 | static int emulate_apuasm; | |
141 | ||
142 | /* Use the dd2.0 instructions set. The only differences are some new | |
143 | * register names and the orx insn */ | |
144 | static int use_dd2 = 1; | |
145 | ||
146 | int | |
17b9d67d | 147 | md_parse_option (int c, const char *arg ATTRIBUTE_UNUSED) |
e9f53129 AM |
148 | { |
149 | switch (c) | |
150 | { | |
151 | case OPTION_APUASM: | |
152 | emulate_apuasm = 1; | |
153 | break; | |
154 | case OPTION_DD3: | |
155 | use_dd2 = 1; | |
156 | break; | |
157 | case OPTION_DD2: | |
158 | use_dd2 = 1; | |
159 | break; | |
160 | case OPTION_DD1: | |
161 | use_dd2 = 0; | |
162 | break; | |
163 | default: | |
164 | return 0; | |
165 | } | |
166 | return 1; | |
167 | } | |
168 | ||
169 | void | |
170 | md_show_usage (FILE *stream) | |
171 | { | |
172 | fputs (_("\ | |
173 | SPU options:\n\ | |
174 | --apuasm emulate behaviour of apuasm\n"), | |
175 | stream); | |
176 | } | |
177 | \f | |
178 | ||
179 | struct arg_encode { | |
180 | int size; | |
181 | int pos; | |
182 | int rshift; | |
183 | int lo, hi; | |
184 | int wlo, whi; | |
185 | bfd_reloc_code_real_type reloc; | |
186 | }; | |
187 | ||
188 | static struct arg_encode arg_encode[A_MAX] = { | |
189 | { 7, 0, 0, 0, 127, 0, -1, 0 }, /* A_T */ | |
190 | { 7, 7, 0, 0, 127, 0, -1, 0 }, /* A_A */ | |
191 | { 7, 14, 0, 0, 127, 0, -1, 0 }, /* A_B */ | |
192 | { 7, 21, 0, 0, 127, 0, -1, 0 }, /* A_C */ | |
193 | { 7, 7, 0, 0, 127, 0, -1, 0 }, /* A_S */ | |
194 | { 7, 7, 0, 0, 127, 0, -1, 0 }, /* A_H */ | |
195 | { 0, 0, 0, 0, -1, 0, -1, 0 }, /* A_P */ | |
196 | { 7, 14, 0, 0, -1, 0, -1, BFD_RELOC_SPU_IMM7 }, /* A_S3 */ | |
197 | { 7, 14, 0, -32, 31, -31, 0, BFD_RELOC_SPU_IMM7 }, /* A_S6 */ | |
198 | { 7, 14, 0, 0, -1, 0, -1, BFD_RELOC_SPU_IMM7 }, /* A_S7N */ | |
199 | { 7, 14, 0, -64, 63, -63, 0, BFD_RELOC_SPU_IMM7 }, /* A_S7 */ | |
200 | { 8, 14, 0, 0, 127, 0, -1, BFD_RELOC_SPU_IMM8 }, /* A_U7A */ | |
201 | { 8, 14, 0, 0, 127, 0, -1, BFD_RELOC_SPU_IMM8 }, /* A_U7B */ | |
202 | { 10, 14, 0, -512, 511, -128, 255, BFD_RELOC_SPU_IMM10 }, /* A_S10B */ | |
203 | { 10, 14, 0, -512, 511, 0, -1, BFD_RELOC_SPU_IMM10 }, /* A_S10 */ | |
204 | { 2, 23, 9, -1024, 1023, 0, -1, BFD_RELOC_SPU_PCREL9a }, /* A_S11 */ | |
205 | { 2, 14, 9, -1024, 1023, 0, -1, BFD_RELOC_SPU_PCREL9b }, /* A_S11I */ | |
206 | { 10, 14, 4, -8192, 8191, 0, -1, BFD_RELOC_SPU_IMM10W }, /* A_S14 */ | |
207 | { 16, 7, 0, -32768, 32767, 0, -1, BFD_RELOC_SPU_IMM16 }, /* A_S16 */ | |
208 | { 16, 7, 2, -131072, 262143, 0, -1, BFD_RELOC_SPU_IMM16W }, /* A_S18 */ | |
209 | { 16, 7, 2, -262144, 262143, 0, -1, BFD_RELOC_SPU_PCREL16 }, /* A_R18 */ | |
210 | { 7, 14, 0, 0, -1, 0, -1, BFD_RELOC_SPU_IMM7 }, /* A_U3 */ | |
211 | { 7, 14, 0, 0, 127, 0, 31, BFD_RELOC_SPU_IMM7 }, /* A_U5 */ | |
212 | { 7, 14, 0, 0, 127, 0, 63, BFD_RELOC_SPU_IMM7 }, /* A_U6 */ | |
213 | { 7, 14, 0, 0, -1, 0, -1, BFD_RELOC_SPU_IMM7 }, /* A_U7 */ | |
214 | { 14, 0, 0, 0, 16383, 0, -1, 0 }, /* A_U14 */ | |
215 | { 16, 7, 0, -32768, 65535, 0, -1, BFD_RELOC_SPU_IMM16 }, /* A_X16 */ | |
216 | { 18, 7, 0, 0, 262143, 0, -1, BFD_RELOC_SPU_IMM18 }, /* A_U18 */ | |
217 | }; | |
218 | ||
219 | /* Some flags for handling errors. This is very hackish and added after | |
220 | * the fact. */ | |
221 | static int syntax_error_arg; | |
222 | static const char *syntax_error_param; | |
223 | static int syntax_reg; | |
224 | ||
225 | static char * | |
226 | insn_fmt_string (struct spu_opcode *format) | |
227 | { | |
228 | static char buf[64]; | |
229 | int len = 0; | |
230 | int i; | |
231 | ||
232 | len += sprintf (&buf[len], "%s\t", format->mnemonic); | |
233 | for (i = 1; i <= format->arg[0]; i++) | |
234 | { | |
235 | int arg = format->arg[i]; | |
e0471c16 | 236 | const char *exp; |
3739860c | 237 | if (i > 1 && arg != A_P && format->arg[i-1] != A_P) |
e9f53129 AM |
238 | buf[len++] = ','; |
239 | if (arg == A_P) | |
240 | exp = "("; | |
241 | else if (arg < A_P) | |
242 | exp = i == syntax_error_arg ? "REG" : "reg"; | |
3739860c | 243 | else |
e9f53129 AM |
244 | exp = i == syntax_error_arg ? "IMM" : "imm"; |
245 | len += sprintf (&buf[len], "%s", exp); | |
3739860c | 246 | if (i > 1 && format->arg[i-1] == A_P) |
e9f53129 AM |
247 | buf[len++] = ')'; |
248 | } | |
249 | buf[len] = 0; | |
250 | return buf; | |
251 | } | |
252 | ||
253 | void | |
254 | md_assemble (char *op) | |
255 | { | |
256 | char *param, *thisfrag; | |
257 | char c; | |
258 | struct spu_opcode *format; | |
259 | struct spu_insn insn; | |
260 | int i; | |
261 | ||
9c2799c2 | 262 | gas_assert (op); |
e9f53129 AM |
263 | |
264 | /* skip over instruction to find parameters */ | |
265 | ||
266 | for (param = op; *param != 0 && !ISSPACE (*param); param++) | |
267 | ; | |
268 | c = *param; | |
269 | *param = 0; | |
270 | ||
271 | if (c != 0 && c != '\n') | |
272 | param++; | |
273 | ||
274 | /* try to find the instruction in the hash table */ | |
275 | ||
629310ab | 276 | if ((format = (struct spu_opcode *) str_hash_find (op_hash, op)) == NULL) |
e9f53129 AM |
277 | { |
278 | as_bad (_("Invalid mnemonic '%s'"), op); | |
279 | return; | |
280 | } | |
281 | ||
282 | if (!use_dd2 && strcmp (format->mnemonic, "orx") == 0) | |
283 | { | |
284 | as_bad (_("'%s' is only available in DD2.0 or higher."), op); | |
285 | return; | |
286 | } | |
287 | ||
288 | while (1) | |
289 | { | |
290 | /* try parsing this instruction into insn */ | |
291 | for (i = 0; i < MAX_RELOCS; i++) | |
292 | { | |
293 | insn.exp[i].X_add_symbol = 0; | |
294 | insn.exp[i].X_op_symbol = 0; | |
295 | insn.exp[i].X_add_number = 0; | |
296 | insn.exp[i].X_op = O_illegal; | |
297 | insn.reloc_arg[i] = -1; | |
7bc3e93c | 298 | insn.reloc[i] = BFD_RELOC_NONE; |
e9f53129 AM |
299 | } |
300 | insn.opcode = format->opcode; | |
301 | insn.tag = (enum spu_insns) (format - spu_opcodes); | |
302 | ||
303 | syntax_error_arg = 0; | |
304 | syntax_error_param = 0; | |
305 | syntax_reg = 0; | |
306 | if (calcop (format, param, &insn)) | |
307 | break; | |
308 | ||
309 | /* if it doesn't parse try the next instruction */ | |
310 | if (!strcmp (format[0].mnemonic, format[1].mnemonic)) | |
311 | format++; | |
312 | else | |
313 | { | |
314 | int parg = format[0].arg[syntax_error_arg-1]; | |
315 | ||
316 | as_fatal (_("Error in argument %d. Expecting: \"%s\""), | |
317 | syntax_error_arg - (parg == A_P), | |
318 | insn_fmt_string (format)); | |
319 | return; | |
320 | } | |
321 | } | |
322 | ||
323 | if ((syntax_reg & 4) | |
324 | && ! (insn.tag == M_RDCH | |
325 | || insn.tag == M_RCHCNT | |
326 | || insn.tag == M_WRCH)) | |
327 | as_warn (_("Mixing register syntax, with and without '$'.")); | |
328 | if (syntax_error_param) | |
329 | { | |
330 | const char *d = syntax_error_param; | |
331 | while (*d != '$') | |
332 | d--; | |
e2785c44 | 333 | as_warn (_("Treating '%-*s' as a symbol."), (int)(syntax_error_param - d), d); |
e9f53129 AM |
334 | } |
335 | ||
cd4a7468 AM |
336 | if (brinfo != 0 |
337 | && (insn.tag <= M_BRASL | |
338 | || (insn.tag >= M_BRZ && insn.tag <= M_BRHNZ)) | |
339 | && (insn.opcode & 0x7ff80) == 0 | |
340 | && (insn.reloc_arg[0] == A_R18 | |
341 | || insn.reloc_arg[0] == A_S18 | |
342 | || insn.reloc_arg[1] == A_R18 | |
343 | || insn.reloc_arg[1] == A_S18)) | |
344 | insn.opcode |= brinfo << 7; | |
345 | ||
e9f53129 AM |
346 | /* grow the current frag and plop in the opcode */ |
347 | ||
348 | thisfrag = frag_more (4); | |
349 | md_number_to_chars (thisfrag, insn.opcode, 4); | |
350 | ||
351 | /* if this instruction requires labels mark it for later */ | |
352 | ||
353 | for (i = 0; i < MAX_RELOCS; i++) | |
3739860c | 354 | if (insn.reloc_arg[i] >= 0) |
e9f53129 AM |
355 | { |
356 | fixS *fixP; | |
7bc3e93c | 357 | bfd_reloc_code_real_type reloc = insn.reloc[i]; |
e9f53129 | 358 | int pcrel = 0; |
ece5ef60 | 359 | |
7bc3e93c | 360 | if (reloc == BFD_RELOC_SPU_PCREL9a |
e9f53129 | 361 | || reloc == BFD_RELOC_SPU_PCREL9b |
7bc3e93c | 362 | || reloc == BFD_RELOC_SPU_PCREL16) |
e9f53129 | 363 | pcrel = 1; |
e9f53129 AM |
364 | fixP = fix_new_exp (frag_now, |
365 | thisfrag - frag_now->fr_literal, | |
366 | 4, | |
367 | &insn.exp[i], | |
368 | pcrel, | |
369 | reloc); | |
840edabd AM |
370 | fixP->tc_fix_data.arg_format = insn.reloc_arg[i]; |
371 | fixP->tc_fix_data.insn_tag = insn.tag; | |
e9f53129 AM |
372 | } |
373 | dwarf2_emit_insn (4); | |
cd4a7468 AM |
374 | |
375 | /* .brinfo lasts exactly one instruction. */ | |
376 | brinfo = 0; | |
e9f53129 AM |
377 | } |
378 | ||
379 | static int | |
380 | calcop (struct spu_opcode *format, const char *param, struct spu_insn *insn) | |
381 | { | |
382 | int i; | |
383 | int paren = 0; | |
384 | int arg; | |
385 | ||
386 | for (i = 1; i <= format->arg[0]; i++) | |
387 | { | |
388 | arg = format->arg[i]; | |
389 | syntax_error_arg = i; | |
390 | ||
391 | while (ISSPACE (*param)) | |
392 | param++; | |
393 | if (*param == 0 || *param == ',') | |
394 | return 0; | |
395 | if (arg < A_P) | |
396 | param = get_reg (param, insn, arg, 1); | |
397 | else if (arg > A_P) | |
7bc3e93c | 398 | param = get_imm (param, insn, arg); |
e9f53129 AM |
399 | else if (arg == A_P) |
400 | { | |
401 | paren++; | |
402 | if ('(' != *param++) | |
403 | return 0; | |
404 | } | |
405 | ||
406 | if (!param) | |
407 | return 0; | |
408 | ||
409 | while (ISSPACE (*param)) | |
410 | param++; | |
411 | ||
412 | if (arg != A_P && paren) | |
413 | { | |
414 | paren--; | |
415 | if (')' != *param++) | |
416 | return 0; | |
417 | } | |
418 | else if (i < format->arg[0] | |
419 | && format->arg[i] != A_P | |
420 | && format->arg[i+1] != A_P) | |
421 | { | |
422 | if (',' != *param++) | |
423 | { | |
424 | syntax_error_arg++; | |
425 | return 0; | |
426 | } | |
427 | } | |
428 | } | |
429 | while (ISSPACE (*param)) | |
430 | param++; | |
431 | return !paren && (*param == 0 || *param == '\n'); | |
432 | } | |
433 | ||
434 | struct reg_name { | |
435 | unsigned int regno; | |
436 | unsigned int length; | |
437 | char name[32]; | |
438 | }; | |
439 | ||
440 | #define REG_NAME(NO,NM) { NO, sizeof (NM) - 1, NM } | |
441 | ||
442 | static struct reg_name reg_name[] = { | |
443 | REG_NAME (0, "lr"), /* link register */ | |
444 | REG_NAME (1, "sp"), /* stack pointer */ | |
445 | REG_NAME (0, "rp"), /* link register */ | |
446 | REG_NAME (127, "fp"), /* frame pointer */ | |
447 | }; | |
448 | ||
449 | static struct reg_name sp_reg_name[] = { | |
450 | }; | |
451 | ||
452 | static struct reg_name ch_reg_name[] = { | |
453 | REG_NAME ( 0, "SPU_RdEventStat"), | |
454 | REG_NAME ( 1, "SPU_WrEventMask"), | |
455 | REG_NAME ( 2, "SPU_WrEventAck"), | |
456 | REG_NAME ( 3, "SPU_RdSigNotify1"), | |
457 | REG_NAME ( 4, "SPU_RdSigNotify2"), | |
458 | REG_NAME ( 7, "SPU_WrDec"), | |
459 | REG_NAME ( 8, "SPU_RdDec"), | |
460 | REG_NAME ( 11, "SPU_RdEventMask"), /* DD2.0 only */ | |
461 | REG_NAME ( 13, "SPU_RdMachStat"), | |
462 | REG_NAME ( 14, "SPU_WrSRR0"), | |
463 | REG_NAME ( 15, "SPU_RdSRR0"), | |
464 | REG_NAME ( 28, "SPU_WrOutMbox"), | |
465 | REG_NAME ( 29, "SPU_RdInMbox"), | |
466 | REG_NAME ( 30, "SPU_WrOutIntrMbox"), | |
467 | REG_NAME ( 9, "MFC_WrMSSyncReq"), | |
468 | REG_NAME ( 12, "MFC_RdTagMask"), /* DD2.0 only */ | |
469 | REG_NAME ( 16, "MFC_LSA"), | |
470 | REG_NAME ( 17, "MFC_EAH"), | |
471 | REG_NAME ( 18, "MFC_EAL"), | |
472 | REG_NAME ( 19, "MFC_Size"), | |
473 | REG_NAME ( 20, "MFC_TagID"), | |
474 | REG_NAME ( 21, "MFC_Cmd"), | |
475 | REG_NAME ( 22, "MFC_WrTagMask"), | |
476 | REG_NAME ( 23, "MFC_WrTagUpdate"), | |
477 | REG_NAME ( 24, "MFC_RdTagStat"), | |
478 | REG_NAME ( 25, "MFC_RdListStallStat"), | |
479 | REG_NAME ( 26, "MFC_WrListStallAck"), | |
480 | REG_NAME ( 27, "MFC_RdAtomicStat"), | |
481 | }; | |
482 | #undef REG_NAME | |
483 | ||
484 | static const char * | |
485 | get_reg (const char *param, struct spu_insn *insn, int arg, int accept_expr) | |
486 | { | |
487 | unsigned regno; | |
488 | int saw_prefix = 0; | |
489 | ||
490 | if (*param == '$') | |
491 | { | |
492 | saw_prefix = 1; | |
493 | param++; | |
494 | } | |
3739860c | 495 | |
e9f53129 AM |
496 | if (arg == A_H) /* Channel */ |
497 | { | |
498 | if ((param[0] == 'c' || param[0] == 'C') | |
499 | && (param[1] == 'h' || param[1] == 'H') | |
500 | && ISDIGIT (param[2])) | |
501 | param += 2; | |
502 | } | |
503 | else if (arg == A_S) /* Special purpose register */ | |
504 | { | |
505 | if ((param[0] == 's' || param[0] == 'S') | |
506 | && (param[1] == 'p' || param[1] == 'P') | |
507 | && ISDIGIT (param[2])) | |
508 | param += 2; | |
509 | } | |
510 | ||
511 | if (ISDIGIT (*param)) | |
512 | { | |
513 | regno = 0; | |
514 | while (ISDIGIT (*param)) | |
515 | regno = regno * 10 + *param++ - '0'; | |
516 | } | |
517 | else | |
518 | { | |
519 | struct reg_name *rn; | |
520 | unsigned int i, n, l = 0; | |
521 | ||
522 | if (arg == A_H) /* Channel */ | |
523 | { | |
524 | rn = ch_reg_name; | |
525 | n = sizeof (ch_reg_name) / sizeof (*ch_reg_name); | |
526 | } | |
527 | else if (arg == A_S) /* Special purpose register */ | |
528 | { | |
529 | rn = sp_reg_name; | |
530 | n = sizeof (sp_reg_name) / sizeof (*sp_reg_name); | |
531 | } | |
532 | else | |
533 | { | |
534 | rn = reg_name; | |
535 | n = sizeof (reg_name) / sizeof (*reg_name); | |
536 | } | |
537 | regno = 128; | |
538 | for (i = 0; i < n; i++) | |
539 | if (rn[i].length > l | |
540 | && 0 == strncasecmp (param, rn[i].name, rn[i].length)) | |
541 | { | |
542 | l = rn[i].length; | |
543 | regno = rn[i].regno; | |
544 | } | |
545 | param += l; | |
546 | } | |
547 | ||
548 | if (!use_dd2 | |
549 | && arg == A_H) | |
550 | { | |
551 | if (regno == 11) | |
552 | as_bad (_("'SPU_RdEventMask' (channel 11) is only available in DD2.0 or higher.")); | |
553 | else if (regno == 12) | |
554 | as_bad (_("'MFC_RdTagMask' (channel 12) is only available in DD2.0 or higher.")); | |
555 | } | |
556 | ||
557 | if (regno < 128) | |
558 | { | |
559 | insn->opcode |= regno << arg_encode[arg].pos; | |
560 | if ((!saw_prefix && syntax_reg == 1) | |
561 | || (saw_prefix && syntax_reg == 2)) | |
562 | syntax_reg |= 4; | |
563 | syntax_reg |= saw_prefix ? 1 : 2; | |
564 | return param; | |
565 | } | |
566 | ||
567 | if (accept_expr) | |
568 | { | |
569 | char *save_ptr; | |
570 | expressionS ex; | |
571 | save_ptr = input_line_pointer; | |
572 | input_line_pointer = (char *)param; | |
573 | expression (&ex); | |
574 | param = input_line_pointer; | |
575 | input_line_pointer = save_ptr; | |
576 | if (ex.X_op == O_register || ex.X_op == O_constant) | |
577 | { | |
578 | insn->opcode |= ex.X_add_number << arg_encode[arg].pos; | |
579 | return param; | |
580 | } | |
581 | } | |
582 | return 0; | |
583 | } | |
584 | ||
585 | static const char * | |
586 | get_imm (const char *param, struct spu_insn *insn, int arg) | |
587 | { | |
588 | int val; | |
589 | char *save_ptr; | |
590 | int low = 0, high = 0; | |
591 | int reloc_i = insn->reloc_arg[0] >= 0 ? 1 : 0; | |
592 | ||
ece5ef60 | 593 | if (strncasecmp (param, "%lo(", 4) == 0) |
e9f53129 AM |
594 | { |
595 | param += 3; | |
596 | low = 1; | |
597 | as_warn (_("Using old style, %%lo(expr), please change to PPC style, expr@l.")); | |
598 | } | |
ece5ef60 | 599 | else if (strncasecmp (param, "%hi(", 4) == 0) |
e9f53129 AM |
600 | { |
601 | param += 3; | |
602 | high = 1; | |
603 | as_warn (_("Using old style, %%hi(expr), please change to PPC style, expr@h.")); | |
604 | } | |
ece5ef60 | 605 | else if (strncasecmp (param, "%pic(", 5) == 0) |
e9f53129 AM |
606 | { |
607 | /* Currently we expect %pic(expr) == expr, so do nothing here. | |
ece5ef60 | 608 | i.e. for code loaded at address 0 $toc will be 0. */ |
e9f53129 AM |
609 | param += 4; |
610 | } | |
3739860c | 611 | |
e9f53129 AM |
612 | if (*param == '$') |
613 | { | |
614 | /* Symbols can start with $, but if this symbol matches a register | |
ece5ef60 AM |
615 | name, it's probably a mistake. The only way to avoid this |
616 | warning is to rename the symbol. */ | |
e9f53129 AM |
617 | struct spu_insn tmp_insn; |
618 | const char *np = get_reg (param, &tmp_insn, arg, 0); | |
619 | ||
620 | if (np) | |
621 | syntax_error_param = np; | |
622 | } | |
3739860c | 623 | |
e9f53129 AM |
624 | save_ptr = input_line_pointer; |
625 | input_line_pointer = (char *) param; | |
626 | expression (&insn->exp[reloc_i]); | |
627 | param = input_line_pointer; | |
628 | input_line_pointer = save_ptr; | |
629 | ||
630 | /* Similar to ppc_elf_suffix in tc-ppc.c. We have so few cases to | |
ece5ef60 | 631 | handle we do it inlined here. */ |
e9f53129 AM |
632 | if (param[0] == '@' && !ISALNUM (param[2]) && param[2] != '@') |
633 | { | |
634 | if (param[1] == 'h' || param[1] == 'H') | |
635 | { | |
636 | high = 1; | |
637 | param += 2; | |
638 | } | |
639 | else if (param[1] == 'l' || param[1] == 'L') | |
640 | { | |
641 | low = 1; | |
642 | param += 2; | |
643 | } | |
644 | } | |
645 | ||
e9f53129 AM |
646 | if (insn->exp[reloc_i].X_op == O_constant) |
647 | { | |
ece5ef60 AM |
648 | val = insn->exp[reloc_i].X_add_number; |
649 | ||
e9f53129 AM |
650 | if (emulate_apuasm) |
651 | { | |
3739860c | 652 | /* Convert the value to a format we expect. */ |
e9f53129 AM |
653 | val <<= arg_encode[arg].rshift; |
654 | if (arg == A_U7A) | |
655 | val = 173 - val; | |
656 | else if (arg == A_U7B) | |
3739860c | 657 | val = 155 - val; |
e9f53129 AM |
658 | } |
659 | ||
660 | if (high) | |
661 | val = val >> 16; | |
662 | else if (low) | |
663 | val = val & 0xffff; | |
664 | ||
665 | /* Warn about out of range expressions. */ | |
666 | { | |
667 | int hi = arg_encode[arg].hi; | |
668 | int lo = arg_encode[arg].lo; | |
669 | int whi = arg_encode[arg].whi; | |
670 | int wlo = arg_encode[arg].wlo; | |
671 | ||
672 | if (hi > lo && (val < lo || val > hi)) | |
673 | as_fatal (_("Constant expression %d out of range, [%d, %d]."), | |
674 | val, lo, hi); | |
675 | else if (whi > wlo && (val < wlo || val > whi)) | |
676 | as_warn (_("Constant expression %d out of range, [%d, %d]."), | |
677 | val, wlo, whi); | |
678 | } | |
679 | ||
680 | if (arg == A_U7A) | |
681 | val = 173 - val; | |
682 | else if (arg == A_U7B) | |
3739860c | 683 | val = 155 - val; |
e9f53129 AM |
684 | |
685 | /* Branch hints have a split encoding. Do the bottom part. */ | |
686 | if (arg == A_S11 || arg == A_S11I) | |
687 | insn->opcode |= ((val >> 2) & 0x7f); | |
688 | ||
689 | insn->opcode |= (((val >> arg_encode[arg].rshift) | |
690 | & ((1 << arg_encode[arg].size) - 1)) | |
691 | << arg_encode[arg].pos); | |
e9f53129 AM |
692 | } |
693 | else | |
694 | { | |
695 | insn->reloc_arg[reloc_i] = arg; | |
696 | if (high) | |
7bc3e93c | 697 | insn->reloc[reloc_i] = BFD_RELOC_SPU_HI16; |
ece5ef60 | 698 | else if (low) |
7bc3e93c AM |
699 | insn->reloc[reloc_i] = BFD_RELOC_SPU_LO16; |
700 | else | |
701 | insn->reloc[reloc_i] = arg_encode[arg].reloc; | |
e9f53129 AM |
702 | } |
703 | ||
704 | return param; | |
705 | } | |
706 | ||
6d4af3c2 | 707 | const char * |
e9f53129 AM |
708 | md_atof (int type, char *litP, int *sizeP) |
709 | { | |
499ac353 | 710 | return ieee_md_atof (type, litP, sizeP, TRUE); |
e9f53129 AM |
711 | } |
712 | ||
713 | #ifndef WORKING_DOT_WORD | |
714 | int md_short_jump_size = 4; | |
715 | ||
716 | void | |
717 | md_create_short_jump (char *ptr, | |
718 | addressT from_addr ATTRIBUTE_UNUSED, | |
719 | addressT to_addr ATTRIBUTE_UNUSED, | |
720 | fragS *frag, | |
721 | symbolS *to_symbol) | |
722 | { | |
723 | ptr[0] = (char) 0xc0; | |
724 | ptr[1] = 0x00; | |
725 | ptr[2] = 0x00; | |
726 | ptr[3] = 0x00; | |
727 | fix_new (frag, | |
728 | ptr - frag->fr_literal, | |
729 | 4, | |
730 | to_symbol, | |
731 | (offsetT) 0, | |
732 | 0, | |
733 | BFD_RELOC_SPU_PCREL16); | |
734 | } | |
735 | ||
736 | int md_long_jump_size = 4; | |
737 | ||
738 | void | |
739 | md_create_long_jump (char *ptr, | |
740 | addressT from_addr ATTRIBUTE_UNUSED, | |
741 | addressT to_addr ATTRIBUTE_UNUSED, | |
742 | fragS *frag, | |
743 | symbolS *to_symbol) | |
744 | { | |
745 | ptr[0] = (char) 0xc0; | |
746 | ptr[1] = 0x00; | |
747 | ptr[2] = 0x00; | |
748 | ptr[3] = 0x00; | |
749 | fix_new (frag, | |
750 | ptr - frag->fr_literal, | |
751 | 4, | |
752 | to_symbol, | |
753 | (offsetT) 0, | |
754 | 0, | |
755 | BFD_RELOC_SPU_PCREL16); | |
756 | } | |
757 | #endif | |
758 | ||
cd4a7468 AM |
759 | /* Handle .brinfo <priority>,<lrlive>. */ |
760 | static void | |
761 | spu_brinfo (int ignore ATTRIBUTE_UNUSED) | |
762 | { | |
763 | addressT priority; | |
764 | addressT lrlive; | |
765 | ||
766 | priority = get_absolute_expression (); | |
767 | SKIP_WHITESPACE (); | |
768 | ||
769 | lrlive = 0; | |
770 | if (*input_line_pointer == ',') | |
771 | { | |
772 | ++input_line_pointer; | |
773 | lrlive = get_absolute_expression (); | |
774 | } | |
775 | ||
776 | if (priority > 0x1fff) | |
777 | { | |
778 | as_bad (_("invalid priority '%lu'"), (unsigned long) priority); | |
779 | priority = 0; | |
780 | } | |
781 | ||
782 | if (lrlive > 7) | |
783 | { | |
784 | as_bad (_("invalid lrlive '%lu'"), (unsigned long) lrlive); | |
785 | lrlive = 0; | |
786 | } | |
787 | ||
788 | brinfo = (lrlive << 13) | priority; | |
789 | demand_empty_rest_of_line (); | |
790 | } | |
791 | ||
ece5ef60 AM |
792 | /* Support @ppu on symbols referenced in .int/.long/.word/.quad. */ |
793 | static void | |
794 | spu_cons (int nbytes) | |
795 | { | |
796 | expressionS exp; | |
797 | ||
798 | if (is_it_end_of_statement ()) | |
799 | { | |
800 | demand_empty_rest_of_line (); | |
801 | return; | |
802 | } | |
803 | ||
804 | do | |
805 | { | |
e4c2619a AM |
806 | char *save = input_line_pointer; |
807 | ||
808 | /* Use deferred_expression here so that an expression involving | |
809 | a symbol that happens to be defined already as an spu symbol, | |
810 | is not resolved. */ | |
353ab861 AM |
811 | deferred_expression (&exp); |
812 | if ((exp.X_op == O_symbol | |
813 | || exp.X_op == O_constant) | |
ece5ef60 AM |
814 | && strncasecmp (input_line_pointer, "@ppu", 4) == 0) |
815 | { | |
816 | char *p = frag_more (nbytes); | |
817 | enum bfd_reloc_code_real reloc; | |
818 | ||
819 | /* Check for identifier@suffix+constant. */ | |
820 | input_line_pointer += 4; | |
821 | if (*input_line_pointer == '-' || *input_line_pointer == '+') | |
822 | { | |
823 | expressionS new_exp; | |
824 | ||
e4c2619a | 825 | save = input_line_pointer; |
ece5ef60 AM |
826 | expression (&new_exp); |
827 | if (new_exp.X_op == O_constant) | |
828 | exp.X_add_number += new_exp.X_add_number; | |
e4c2619a AM |
829 | else |
830 | input_line_pointer = save; | |
ece5ef60 AM |
831 | } |
832 | ||
833 | reloc = nbytes == 4 ? BFD_RELOC_SPU_PPU32 : BFD_RELOC_SPU_PPU64; | |
834 | fix_new_exp (frag_now, p - frag_now->fr_literal, nbytes, | |
835 | &exp, 0, reloc); | |
836 | } | |
837 | else | |
e4c2619a AM |
838 | { |
839 | /* Don't use deferred_expression for anything else. | |
840 | deferred_expression won't evaulate dot at the point it is | |
841 | used. */ | |
842 | input_line_pointer = save; | |
843 | expression (&exp); | |
844 | emit_expr (&exp, nbytes); | |
845 | } | |
ece5ef60 AM |
846 | } |
847 | while (*input_line_pointer++ == ','); | |
848 | ||
849 | /* Put terminator back into stream. */ | |
850 | input_line_pointer--; | |
851 | demand_empty_rest_of_line (); | |
852 | } | |
853 | ||
e9f53129 AM |
854 | int |
855 | md_estimate_size_before_relax (fragS *fragP ATTRIBUTE_UNUSED, | |
856 | segT segment_type ATTRIBUTE_UNUSED) | |
857 | { | |
858 | as_fatal (_("Relaxation should never occur")); | |
859 | return -1; | |
860 | } | |
861 | ||
862 | /* If while processing a fixup, a reloc really needs to be created, | |
863 | then it is done here. */ | |
864 | ||
865 | arelent * | |
866 | tc_gen_reloc (asection *seg ATTRIBUTE_UNUSED, fixS *fixp) | |
867 | { | |
868 | arelent *reloc; | |
add39d23 TS |
869 | reloc = XNEW (arelent); |
870 | reloc->sym_ptr_ptr = XNEW (asymbol *); | |
e9f53129 AM |
871 | if (fixp->fx_addsy) |
872 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); | |
873 | else if (fixp->fx_subsy) | |
874 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_subsy); | |
353ab861 AM |
875 | else |
876 | abort (); | |
e9f53129 AM |
877 | reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; |
878 | reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type); | |
879 | if (reloc->howto == (reloc_howto_type *) NULL) | |
880 | { | |
881 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
882 | _("reloc %d not supported by object file format"), | |
883 | (int) fixp->fx_r_type); | |
884 | return NULL; | |
885 | } | |
886 | reloc->addend = fixp->fx_addnumber; | |
887 | return reloc; | |
888 | } | |
889 | ||
890 | /* Round up a section's size to the appropriate boundary. */ | |
891 | ||
892 | valueT | |
893 | md_section_align (segT seg, valueT size) | |
894 | { | |
fd361982 | 895 | int align = bfd_section_alignment (seg); |
e9f53129 AM |
896 | valueT mask = ((valueT) 1 << align) - 1; |
897 | ||
898 | return (size + mask) & ~mask; | |
899 | } | |
900 | ||
901 | /* Where a PC relative offset is calculated from. On the spu they | |
902 | are calculated from the beginning of the branch instruction. */ | |
903 | ||
904 | long | |
905 | md_pcrel_from (fixS *fixp) | |
906 | { | |
907 | return fixp->fx_frag->fr_address + fixp->fx_where; | |
908 | } | |
909 | ||
910 | /* Fill in rs_align_code fragments. */ | |
911 | ||
912 | void | |
913 | spu_handle_align (fragS *fragp) | |
914 | { | |
915 | static const unsigned char nop_pattern[8] = { | |
916 | 0x40, 0x20, 0x00, 0x00, /* even nop */ | |
917 | 0x00, 0x20, 0x00, 0x00, /* odd nop */ | |
918 | }; | |
919 | ||
920 | int bytes; | |
921 | char *p; | |
922 | ||
923 | if (fragp->fr_type != rs_align_code) | |
924 | return; | |
925 | ||
926 | bytes = fragp->fr_next->fr_address - fragp->fr_address - fragp->fr_fix; | |
927 | p = fragp->fr_literal + fragp->fr_fix; | |
928 | ||
929 | if (bytes & 3) | |
930 | { | |
931 | int fix = bytes & 3; | |
932 | memset (p, 0, fix); | |
933 | p += fix; | |
934 | bytes -= fix; | |
935 | fragp->fr_fix += fix; | |
936 | } | |
937 | if (bytes & 4) | |
938 | { | |
939 | memcpy (p, &nop_pattern[4], 4); | |
940 | p += 4; | |
941 | bytes -= 4; | |
942 | fragp->fr_fix += 4; | |
943 | } | |
944 | ||
945 | memcpy (p, nop_pattern, 8); | |
946 | fragp->fr_var = 8; | |
947 | } | |
948 | ||
949 | void | |
950 | md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) | |
951 | { | |
952 | unsigned int res; | |
cd4a7468 | 953 | unsigned int mask; |
e9f53129 AM |
954 | valueT val = *valP; |
955 | char *place = fixP->fx_where + fixP->fx_frag->fr_literal; | |
956 | ||
957 | if (fixP->fx_subsy != (symbolS *) NULL) | |
958 | { | |
959 | /* We can't actually support subtracting a symbol. */ | |
960 | as_bad_where (fixP->fx_file, fixP->fx_line, _("expression too complex")); | |
961 | } | |
962 | ||
963 | if (fixP->fx_addsy != NULL) | |
964 | { | |
965 | if (fixP->fx_pcrel) | |
966 | { | |
967 | /* Hack around bfd_install_relocation brain damage. */ | |
968 | val += fixP->fx_frag->fr_address + fixP->fx_where; | |
969 | ||
970 | switch (fixP->fx_r_type) | |
971 | { | |
972 | case BFD_RELOC_32: | |
973 | fixP->fx_r_type = BFD_RELOC_32_PCREL; | |
974 | break; | |
975 | ||
976 | case BFD_RELOC_SPU_PCREL16: | |
977 | case BFD_RELOC_SPU_PCREL9a: | |
978 | case BFD_RELOC_SPU_PCREL9b: | |
979 | case BFD_RELOC_32_PCREL: | |
980 | break; | |
981 | ||
982 | default: | |
983 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
984 | _("expression too complex")); | |
985 | break; | |
986 | } | |
987 | } | |
988 | } | |
989 | ||
990 | fixP->fx_addnumber = val; | |
991 | ||
353ab861 | 992 | if (fixP->fx_r_type == BFD_RELOC_SPU_PPU32 |
8fdcc58d TS |
993 | || fixP->fx_r_type == BFD_RELOC_SPU_PPU64 |
994 | || fixP->fx_r_type == BFD_RELOC_SPU_ADD_PIC) | |
353ab861 AM |
995 | return; |
996 | ||
e9f53129 AM |
997 | if (fixP->fx_addsy == NULL && fixP->fx_pcrel == 0) |
998 | { | |
999 | fixP->fx_done = 1; | |
1000 | res = 0; | |
cd4a7468 | 1001 | mask = 0; |
840edabd | 1002 | if (fixP->tc_fix_data.arg_format > A_P) |
e9f53129 | 1003 | { |
840edabd AM |
1004 | int hi = arg_encode[fixP->tc_fix_data.arg_format].hi; |
1005 | int lo = arg_encode[fixP->tc_fix_data.arg_format].lo; | |
e9f53129 AM |
1006 | if (hi > lo && ((offsetT) val < lo || (offsetT) val > hi)) |
1007 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
20203fb9 | 1008 | _("Relocation doesn't fit. (relocation value = 0x%lx)"), |
e9f53129 AM |
1009 | (long) val); |
1010 | } | |
1011 | ||
1012 | switch (fixP->fx_r_type) | |
cd4a7468 AM |
1013 | { |
1014 | case BFD_RELOC_8: | |
e9f53129 AM |
1015 | md_number_to_chars (place, val, 1); |
1016 | return; | |
1017 | ||
cd4a7468 | 1018 | case BFD_RELOC_16: |
e9f53129 AM |
1019 | md_number_to_chars (place, val, 2); |
1020 | return; | |
1021 | ||
cd4a7468 | 1022 | case BFD_RELOC_32: |
d62f07d0 | 1023 | case BFD_RELOC_32_PCREL: |
e9f53129 AM |
1024 | md_number_to_chars (place, val, 4); |
1025 | return; | |
1026 | ||
cd4a7468 | 1027 | case BFD_RELOC_64: |
e9f53129 AM |
1028 | md_number_to_chars (place, val, 8); |
1029 | return; | |
1030 | ||
cd4a7468 AM |
1031 | case BFD_RELOC_SPU_IMM7: |
1032 | res = val << 14; | |
1033 | mask = 0x7f << 14; | |
1034 | break; | |
e9f53129 | 1035 | |
cd4a7468 AM |
1036 | case BFD_RELOC_SPU_IMM8: |
1037 | res = val << 14; | |
1038 | mask = 0xff << 14; | |
1039 | break; | |
e9f53129 | 1040 | |
cd4a7468 AM |
1041 | case BFD_RELOC_SPU_IMM10: |
1042 | res = val << 14; | |
1043 | mask = 0x3ff << 14; | |
1044 | break; | |
e9f53129 | 1045 | |
cd4a7468 AM |
1046 | case BFD_RELOC_SPU_IMM10W: |
1047 | res = val << 10; | |
1048 | mask = 0x3ff0 << 10; | |
1049 | break; | |
e9f53129 | 1050 | |
cd4a7468 AM |
1051 | case BFD_RELOC_SPU_IMM16: |
1052 | res = val << 7; | |
1053 | mask = 0xffff << 7; | |
1054 | break; | |
e9f53129 | 1055 | |
cd4a7468 AM |
1056 | case BFD_RELOC_SPU_IMM16W: |
1057 | res = val << 5; | |
1058 | mask = 0x3fffc << 5; | |
1059 | break; | |
e9f53129 | 1060 | |
cd4a7468 AM |
1061 | case BFD_RELOC_SPU_IMM18: |
1062 | res = val << 7; | |
1063 | mask = 0x3ffff << 7; | |
1064 | break; | |
e9f53129 | 1065 | |
cd4a7468 AM |
1066 | case BFD_RELOC_SPU_PCREL9a: |
1067 | res = ((val & 0x1fc) >> 2) | ((val & 0x600) << 14); | |
1068 | mask = (0x1fc >> 2) | (0x600 << 14); | |
1069 | break; | |
e9f53129 | 1070 | |
cd4a7468 AM |
1071 | case BFD_RELOC_SPU_PCREL9b: |
1072 | res = ((val & 0x1fc) >> 2) | ((val & 0x600) << 5); | |
1073 | mask = (0x1fc >> 2) | (0x600 << 5); | |
1074 | break; | |
e9f53129 | 1075 | |
cd4a7468 AM |
1076 | case BFD_RELOC_SPU_PCREL16: |
1077 | res = val << 5; | |
1078 | mask = 0x3fffc << 5; | |
1079 | break; | |
e9f53129 | 1080 | |
d62f07d0 | 1081 | case BFD_RELOC_SPU_HI16: |
cd4a7468 AM |
1082 | res = val >> 9; |
1083 | mask = 0xffff << 7; | |
d62f07d0 AM |
1084 | break; |
1085 | ||
1086 | case BFD_RELOC_SPU_LO16: | |
cd4a7468 AM |
1087 | res = val << 7; |
1088 | mask = 0xffff << 7; | |
d62f07d0 AM |
1089 | break; |
1090 | ||
cd4a7468 AM |
1091 | default: |
1092 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
1093 | _("reloc %d not supported by object file format"), | |
1094 | (int) fixP->fx_r_type); | |
1095 | } | |
1096 | ||
1097 | res &= mask; | |
1098 | place[0] = (place[0] & (~mask >> 24)) | ((res >> 24) & 0xff); | |
1099 | place[1] = (place[1] & (~mask >> 16)) | ((res >> 16) & 0xff); | |
1100 | place[2] = (place[2] & (~mask >> 8)) | ((res >> 8) & 0xff); | |
1101 | place[3] = (place[3] & ~mask) | (res & 0xff); | |
e9f53129 AM |
1102 | } |
1103 | } |