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* config/tc-score.c (s3_my_get_expression): Delete unused local
[binutils.git] / gas / config / tc-score.c
blob3d620028de796ac7a4ac17d82ad56c0b1755faee
1 /* tc-score.c -- Assembler for Score
2 Copyright 2006, 2007, 2008, 2009, 2011 Free Software Foundation, Inc.
3 Contributed by:
4 Brain.lin (brain.lin@sunplusct.com)
5 Mei Ligang (ligang@sunnorth.com.cn)
6 Pei-Lin Tsai (pltsai@sunplus.com)
7
8 This file is part of GAS, the GNU Assembler.
9
10 GAS is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3, or (at your option)
13 any later version.
14
15 GAS is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with GAS; see the file COPYING. If not, write to the Free
22 Software Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
23 02110-1301, USA. */
24
25 #include "tc-score7.c"
26
27 static void s3_s_score_bss (int ignore ATTRIBUTE_UNUSED);
28 static void s3_s_score_text (int ignore);
29 static void s3_score_s_section (int ignore);
30 static void s3_s_change_sec (int sec);
31 static void s3_s_score_mask (int reg_type ATTRIBUTE_UNUSED);
32 static void s3_s_score_ent (int aent);
33 static void s3_s_score_frame (int ignore ATTRIBUTE_UNUSED);
34 static void s3_s_score_end (int x ATTRIBUTE_UNUSED);
35 static void s3_s_score_set (int x ATTRIBUTE_UNUSED);
36 static void s3_s_score_cpload (int ignore ATTRIBUTE_UNUSED);
37 static void s3_s_score_cprestore (int ignore ATTRIBUTE_UNUSED);
38 static void s3_s_score_gpword (int ignore ATTRIBUTE_UNUSED);
39 static void s3_s_score_cpadd (int ignore ATTRIBUTE_UNUSED);
40 static void s3_s_score_lcomm (int bytes_p);
41
42 static void s_score_bss (int ignore ATTRIBUTE_UNUSED);
43 static void s_score_text (int ignore);
44 static void s_section (int ignore);
45 static void s_change_sec (int sec);
46 static void s_score_mask (int reg_type ATTRIBUTE_UNUSED);
47 static void s_score_ent (int aent);
48 static void s_score_frame (int ignore ATTRIBUTE_UNUSED);
49 static void s_score_end (int x ATTRIBUTE_UNUSED);
50 static void s_score_set (int x ATTRIBUTE_UNUSED);
51 static void s_score_cpload (int ignore ATTRIBUTE_UNUSED);
52 static void s_score_cprestore (int ignore ATTRIBUTE_UNUSED);
53 static void s_score_gpword (int ignore ATTRIBUTE_UNUSED);
54 static void s_score_cpadd (int ignore ATTRIBUTE_UNUSED);
55 static void s_score_lcomm (int bytes_p);
56
57 /* s3: hooks. */
58 static void s3_md_number_to_chars (char *buf, valueT val, int n);
59 static valueT s3_md_chars_to_number (char *buf, int n);
60 static void s3_assemble (char *str);
61 static void s3_operand (expressionS *);
62 static void s3_begin (void);
63 static void s3_number_to_chars (char *buf, valueT val, int n);
64 static char *s3_atof (int type, char *litP, int *sizeP);
65 static void s3_frag_check (fragS * fragp ATTRIBUTE_UNUSED);
66 static void s3_validate_fix (fixS *fixP);
67 static int s3_force_relocation (struct fix *fixp);
68 static bfd_boolean s3_fix_adjustable (fixS * fixP);
69 static void s3_elf_final_processing (void);
70 static int s3_estimate_size_before_relax (fragS * fragp, asection * sec ATTRIBUTE_UNUSED);
71 static int s3_relax_frag (asection * sec ATTRIBUTE_UNUSED, fragS * fragp, long stretch ATTRIBUTE_UNUSED);
72 static void s3_convert_frag (bfd * abfd ATTRIBUTE_UNUSED, segT sec ATTRIBUTE_UNUSED, fragS * fragp);
73 static long s3_pcrel_from (fixS * fixP);
74 static valueT s3_section_align (segT segment ATTRIBUTE_UNUSED, valueT size);
75 static void s3_apply_fix (fixS *fixP, valueT *valP, segT seg);
76 static arelent **s3_gen_reloc (asection * section ATTRIBUTE_UNUSED, fixS * fixp);
77
78 /* s3: utils. */
79 static void s3_do_ldst_insn (char *);
80 static void s3_do_crdcrscrsimm5 (char *);
81 static void s3_do_ldst_unalign (char *);
82 static void s3_do_ldst_atomic (char *);
83 static void s3_do_ldst_cop (char *);
84 static void s3_do_macro_li_rdi32 (char *);
85 static void s3_do_macro_la_rdi32 (char *);
86 static void s3_do_macro_rdi32hi (char *);
87 static void s3_do_macro_rdi32lo (char *);
88 static void s3_do_macro_mul_rdrsrs (char *);
89 static void s3_do_macro_bcmp (char *);
90 static void s3_do_macro_bcmpz (char *);
91 static void s3_do_macro_ldst_label (char *);
92 static void s3_do_branch (char *);
93 static void s3_do_jump (char *);
94 static void s3_do_empty (char *);
95 static void s3_do16_int (char *);
96 static void s3_do_rdrsrs (char *);
97 static void s3_do_rdsi16 (char *);
98 static void s3_do_rdrssi14 (char *);
99 static void s3_do_sub_rdsi16 (char *);
100 static void s3_do_sub_rdi16 (char *);
101 static void s3_do_sub_rdrssi14 (char *);
102 static void s3_do_rdrsi5 (char *);
103 static void s3_do_rdrsi14 (char *);
104 static void s3_do_rdi16 (char *);
105 static void s3_do_ldis (char *);
106 static void s3_do_xrsi5 (char *);
107 static void s3_do_rdrs (char *);
108 static void s3_do_rdxrs (char *);
109 static void s3_do_rsrs (char *);
110 static void s3_do_rdcrs (char *);
111 static void s3_do_rdsrs (char *);
112 static void s3_do_rd (char *);
113 static void s3_do16_dsp (char *);
114 static void s3_do16_dsp2 (char *);
115 static void s3_do_dsp (char *);
116 static void s3_do_dsp2 (char *);
117 static void s3_do_dsp3 (char *);
118 static void s3_do_rs (char *);
119 static void s3_do_i15 (char *);
120 static void s3_do_xi5x (char *);
121 static void s3_do_ceinst (char *);
122 static void s3_do_cache (char *);
123 static void s3_do16_rdrs2 (char *);
124 static void s3_do16_br (char *);
125 static void s3_do16_brr (char *);
126 static void s3_do_ltb (char *);
127 static void s3_do16_mv_cmp (char *);
128 static void s3_do16_addi (char *);
129 static void s3_do16_cmpi (char *);
130 static void s3_do16_rdi5 (char *);
131 static void s3_do16_xi5 (char *);
132 static void s3_do16_ldst_insn (char *);
133 static void s3_do16_slli_srli (char *);
134 static void s3_do16_ldiu (char *);
135 static void s3_do16_push_pop (char *);
136 static void s3_do16_rpush (char *);
137 static void s3_do16_rpop (char *);
138 static void s3_do16_branch (char *);
139 static void s3_do_lw48 (char *);
140 static void s3_do_sw48 (char *);
141 static void s3_do_ldi48 (char *);
142 static void s3_do_sdbbp48 (char *);
143 static void s3_do_and48 (char *);
144 static void s3_do_or48 (char *);
145 static void s3_do_mbitclr (char *);
146 static void s3_do_mbitset (char *);
147 static void s3_do_rdi16_pic (char *);
148 static void s3_do_addi_s_pic (char *);
149 static void s3_do_addi_u_pic (char *);
150 static void s3_do_lw_pic (char *);
151
152 #define MARCH_SCORE3 "score3"
153 #define MARCH_SCORE3D "score3d"
154 #define MARCH_SCORE7 "score7"
155 #define MARCH_SCORE7D "score7d"
156 #define MARCH_SCORE5 "score5"
157 #define MARCH_SCORE5U "score5u"
158
159 #define SCORE_BI_ENDIAN
160
161 #ifdef SCORE_BI_ENDIAN
162 #define OPTION_EB (OPTION_MD_BASE + 0)
163 #define OPTION_EL (OPTION_MD_BASE + 1)
164 #else
165 #if TARGET_BYTES_BIG_ENDIAN
166 #define OPTION_EB (OPTION_MD_BASE + 0)
167 #else
168 #define OPTION_EL (OPTION_MD_BASE + 1)
169 #endif
170 #endif
171 #define OPTION_FIXDD (OPTION_MD_BASE + 2)
172 #define OPTION_NWARN (OPTION_MD_BASE + 3)
173 #define OPTION_SCORE5 (OPTION_MD_BASE + 4)
174 #define OPTION_SCORE5U (OPTION_MD_BASE + 5)
175 #define OPTION_SCORE7 (OPTION_MD_BASE + 6)
176 #define OPTION_R1 (OPTION_MD_BASE + 7)
177 #define OPTION_O0 (OPTION_MD_BASE + 8)
178 #define OPTION_SCORE_VERSION (OPTION_MD_BASE + 9)
179 #define OPTION_PIC (OPTION_MD_BASE + 10)
180 #define OPTION_MARCH (OPTION_MD_BASE + 11)
181 #define OPTION_SCORE3 (OPTION_MD_BASE + 12)
182
183 /* This array holds the chars that always start a comment. If the
184 pre-processor is disabled, these aren't very useful. */
185 const char comment_chars[] = "#";
186 const char line_comment_chars[] = "#";
187 const char line_separator_chars[] = ";";
188 /* Chars that can be used to separate mant from exp in floating point numbers. */
189 const char EXP_CHARS[] = "eE";
190 const char FLT_CHARS[] = "rRsSfFdDxXeEpP";
191
192 #ifdef OBJ_ELF
193 /* Pre-defined "_GLOBAL_OFFSET_TABLE_" */
194 symbolS *GOT_symbol;
195 #endif
196
197 const pseudo_typeS md_pseudo_table[] =
198 {
199 {"bss", s_score_bss, 0},
200 {"text", s_score_text, 0},
201 {"word", cons, 4},
202 {"long", cons, 4},
203 {"extend", float_cons, 'x'},
204 {"ldouble", float_cons, 'x'},
205 {"packed", float_cons, 'p'},
206 {"end", s_score_end, 0},
207 {"ent", s_score_ent, 0},
208 {"frame", s_score_frame, 0},
209 {"rdata", s_change_sec, 'r'},
210 {"sdata", s_change_sec, 's'},
211 {"set", s_score_set, 0},
212 {"mask", s_score_mask, 'R'},
213 {"dword", cons, 8},
214 {"lcomm", s_score_lcomm, 1},
215 {"section", s_section, 0},
216 {"cpload", s_score_cpload, 0},
217 {"cprestore", s_score_cprestore, 0},
218 {"gpword", s_score_gpword, 0},
219 {"cpadd", s_score_cpadd, 0},
220 {0, 0, 0}
221 };
222
223 const char *md_shortopts = "nO::g::G:";
224 struct option md_longopts[] =
225 {
226 #ifdef OPTION_EB
227 {"EB" , no_argument, NULL, OPTION_EB},
228 #endif
229 #ifdef OPTION_EL
230 {"EL" , no_argument, NULL, OPTION_EL},
231 #endif
232 {"FIXDD" , no_argument, NULL, OPTION_FIXDD},
233 {"NWARN" , no_argument, NULL, OPTION_NWARN},
234 {"SCORE5" , no_argument, NULL, OPTION_SCORE5},
235 {"SCORE5U", no_argument, NULL, OPTION_SCORE5U},
236 {"SCORE7" , no_argument, NULL, OPTION_SCORE7},
237 {"USE_R1" , no_argument, NULL, OPTION_R1},
238 {"O0" , no_argument, NULL, OPTION_O0},
239 {"V" , no_argument, NULL, OPTION_SCORE_VERSION},
240 {"KPIC" , no_argument, NULL, OPTION_PIC},
241 {"march=" , required_argument, NULL, OPTION_MARCH},
242 {"SCORE3" , no_argument, NULL, OPTION_SCORE3},
243 {NULL , no_argument, NULL, 0}
244 };
245
246 size_t md_longopts_size = sizeof (md_longopts);
247
248 #define s3_GP 28
249 #define s3_PIC_CALL_REG 29
250 #define s3_MAX_LITERAL_POOL_SIZE 1024
251 #define s3_FAIL 0x80000000
252 #define s3_SUCCESS 0
253 #define s3_INSN48_SIZE 6
254 #define s3_INSN_SIZE 4
255 #define s3_INSN16_SIZE 2
256 #define s3_RELAX_INST_NUM 3
257
258 /* For score5u : div/mul will pop warning message, mmu/alw/asw will pop error message. */
259 #define s3_BAD_ARGS _("bad arguments to instruction")
260 #define s3_ERR_FOR_SCORE5U_MUL_DIV _("div / mul are reserved instructions")
261 #define s3_ERR_FOR_SCORE5U_MMU _("This architecture doesn't support mmu")
262 #define s3_ERR_FOR_SCORE5U_ATOMIC _("This architecture doesn't support atomic instruction")
263 #define s3_BAD_SKIP_COMMA s3_BAD_ARGS
264 #define s3_BAD_GARBAGE _("garbage following instruction");
265
266 #define s3_skip_whitespace(str) while (*(str) == ' ') ++(str)
267
268 /* The name of the readonly data section. */
269 #define s3_RDATA_SECTION_NAME (OUTPUT_FLAVOR == bfd_target_aout_flavour \
270 ? ".data" \
271 : OUTPUT_FLAVOR == bfd_target_ecoff_flavour \
272 ? ".rdata" \
273 : OUTPUT_FLAVOR == bfd_target_coff_flavour \
274 ? ".rdata" \
275 : OUTPUT_FLAVOR == bfd_target_elf_flavour \
276 ? ".rodata" \
277 : (abort (), ""))
278
279 #define s3_RELAX_ENCODE(old, new, type, reloc1, reloc2, opt) \
280 ((relax_substateT) \
281 (((old) << 23) \
282 | ((new) << 16) \
283 | ((type) << 9) \
284 | ((reloc1) << 5) \
285 | ((reloc2) << 1) \
286 | ((opt) ? 1 : 0)))
287
288 #define s3_RELAX_OLD(i) (((i) >> 23) & 0x7f)
289 #define s3_RELAX_NEW(i) (((i) >> 16) & 0x7f)
290 #define s3_RELAX_TYPE(i) (((i) >> 9) & 0x7f)
291 #define s3_RELAX_RELOC1(i) ((valueT) ((i) >> 5) & 0xf)
292 #define s3_RELAX_RELOC2(i) ((valueT) ((i) >> 1) & 0xf)
293 #define s3_RELAX_OPT(i) ((i) & 1)
294
295 #define s3_SET_INSN_ERROR(s) (s3_inst.error = (s))
296 #define s3_INSN_IS_PCE_P(s) (strstr (str, "||") != NULL)
297 #define s3_INSN_IS_48_P(s) (strstr (str, "48") != NULL)
298 #define s3_GET_INSN_CLASS(type) (s3_get_insn_class_from_type (type))
299 #define s3_GET_INSN_SIZE(type) ((s3_GET_INSN_CLASS (type) == INSN_CLASS_16) \
300 ? s3_INSN16_SIZE : (s3_GET_INSN_CLASS (type) == INSN_CLASS_48) \
301 ? s3_INSN48_SIZE : s3_INSN_SIZE)
302
303 #define s3_MAX_LITTLENUMS 6
304 #define s3_INSN_NAME_LEN 16
305
306 /* Relax will need some padding for alignment. */
307 #define s3_RELAX_PAD_BYTE 3
308
309
310 #define s3_USE_GLOBAL_POINTER_OPT 1
311
312 /* Enumeration matching entries in table above. */
313 enum s3_score_reg_type
314 {
315 s3_REG_TYPE_SCORE = 0,
316 #define s3_REG_TYPE_FIRST s3_REG_TYPE_SCORE
317 s3_REG_TYPE_SCORE_SR = 1,
318 s3_REG_TYPE_SCORE_CR = 2,
319 s3_REG_TYPE_MAX = 3
320 };
321
322 enum s3_score_pic_level
323 {
324 s3_NO_PIC,
325 s3_PIC
326 };
327 static enum s3_score_pic_level s3_score_pic = s3_NO_PIC;
328
329 enum s3_insn_type_for_dependency
330 {
331 s3_D_mtcr,
332 s3_D_all_insn
333 };
334
335 struct s3_insn_to_dependency
336 {
337 char *insn_name;
338 enum s3_insn_type_for_dependency type;
339 };
340
341 struct s3_data_dependency
342 {
343 enum s3_insn_type_for_dependency pre_insn_type;
344 char pre_reg[6];
345 enum s3_insn_type_for_dependency cur_insn_type;
346 char cur_reg[6];
347 int bubblenum_7;
348 int bubblenum_3;
349 int warn_or_error; /* warning - 0; error - 1 */
350 };
351
352 static const struct s3_insn_to_dependency s3_insn_to_dependency_table[] =
353 {
354 /* move spectial instruction. */
355 {"mtcr", s3_D_mtcr},
356 };
357
358 static const struct s3_data_dependency s3_data_dependency_table[] =
359 {
360 /* Status regiser. */
361 {s3_D_mtcr, "cr0", s3_D_all_insn, "", 5, 1, 0},
362 };
363
364 /* Used to contain constructed error messages. */
365 static char s3_err_msg[255];
366
367 static int s3_fix_data_dependency = 0;
368 static int s3_warn_fix_data_dependency = 1;
369
370 static int s3_in_my_get_expression = 0;
371
372 /* Default, pop warning message when using r1. */
373 static int s3_nor1 = 1;
374
375 /* Default will do instruction relax, -O0 will set s3_g_opt = 0. */
376 static unsigned int s3_g_opt = 1;
377
378 /* The size of the small data section. */
379 static unsigned int s3_g_switch_value = 8;
380
381 static segT s3_pdr_seg;
382
383 struct s3_score_it
384 {
385 char name[s3_INSN_NAME_LEN];
386 bfd_vma instruction;
387 bfd_vma relax_inst;
388 int size;
389 int relax_size;
390 enum score_insn_type type;
391 char str[s3_MAX_LITERAL_POOL_SIZE];
392 const char *error;
393 int bwarn;
394 char reg[s3_INSN_NAME_LEN];
395 struct
396 {
397 bfd_reloc_code_real_type type;
398 expressionS exp;
399 int pc_rel;
400 }reloc;
401 };
402 static struct s3_score_it s3_inst;
403
404 typedef struct s3_proc
405 {
406 symbolS *isym;
407 unsigned long reg_mask;
408 unsigned long reg_offset;
409 unsigned long fpreg_mask;
410 unsigned long leaf;
411 unsigned long frame_offset;
412 unsigned long frame_reg;
413 unsigned long pc_reg;
414 } s3_procS;
415 static s3_procS s3_cur_proc;
416 static s3_procS *s3_cur_proc_ptr;
417 static int s3_numprocs;
418
419
420 /* Structure for a hash table entry for a register. */
421 struct s3_reg_entry
422 {
423 const char *name;
424 int number;
425 };
426
427 static const struct s3_reg_entry s3_score_rn_table[] =
428 {
429 {"r0", 0}, {"r1", 1}, {"r2", 2}, {"r3", 3},
430 {"r4", 4}, {"r5", 5}, {"r6", 6}, {"r7", 7},
431 {"r8", 8}, {"r9", 9}, {"r10", 10}, {"r11", 11},
432 {"r12", 12}, {"r13", 13}, {"r14", 14}, {"r15", 15},
433 {"r16", 16}, {"r17", 17}, {"r18", 18}, {"r19", 19},
434 {"r20", 20}, {"r21", 21}, {"r22", 22}, {"r23", 23},
435 {"r24", 24}, {"r25", 25}, {"r26", 26}, {"r27", 27},
436 {"r28", 28}, {"r29", 29}, {"r30", 30}, {"r31", 31},
437 {NULL, 0}
438 };
439
440 static const struct s3_reg_entry s3_score_srn_table[] =
441 {
442 {"sr0", 0}, {"sr1", 1}, {"sr2", 2},
443 {NULL, 0}
444 };
445
446 static const struct s3_reg_entry s3_score_crn_table[] =
447 {
448 {"cr0", 0}, {"cr1", 1}, {"cr2", 2}, {"cr3", 3},
449 {"cr4", 4}, {"cr5", 5}, {"cr6", 6}, {"cr7", 7},
450 {"cr8", 8}, {"cr9", 9}, {"cr10", 10}, {"cr11", 11},
451 {"cr12", 12}, {"cr13", 13}, {"cr14", 14}, {"cr15", 15},
452 {"cr16", 16}, {"cr17", 17}, {"cr18", 18}, {"cr19", 19},
453 {"cr20", 20}, {"cr21", 21}, {"cr22", 22}, {"cr23", 23},
454 {"cr24", 24}, {"cr25", 25}, {"cr26", 26}, {"cr27", 27},
455 {"cr28", 28}, {"cr29", 29}, {"cr30", 30}, {"cr31", 31},
456 {NULL, 0}
457 };
458
459 struct s3_reg_map
460 {
461 const struct s3_reg_entry *names;
462 int max_regno;
463 struct hash_control *htab;
464 const char *expected;
465 };
466
467 static struct s3_reg_map s3_all_reg_maps[] =
468 {
469 {s3_score_rn_table, 31, NULL, N_("S+core register expected")},
470 {s3_score_srn_table, 2, NULL, N_("S+core special-register expected")},
471 {s3_score_crn_table, 31, NULL, N_("S+core co-processor register expected")},
472 };
473
474 static struct hash_control *s3_score_ops_hsh = NULL;
475 static struct hash_control *s3_dependency_insn_hsh = NULL;
476
477
478 struct s3_datafield_range
479 {
480 int data_type;
481 int bits;
482 int range[2];
483 };
484
485 static struct s3_datafield_range s3_score_df_range[] =
486 {
487 {_IMM4, 4, {0, (1 << 4) - 1}}, /* ( 0 ~ 15 ) */
488 {_IMM5, 5, {0, (1 << 5) - 1}}, /* ( 0 ~ 31 ) */
489 {_IMM8, 8, {0, (1 << 8) - 1}}, /* ( 0 ~ 255 ) */
490 {_IMM14, 14, {0, (1 << 14) - 1}}, /* ( 0 ~ 16383) */
491 {_IMM15, 15, {0, (1 << 15) - 1}}, /* ( 0 ~ 32767) */
492 {_IMM16, 16, {0, (1 << 16) - 1}}, /* ( 0 ~ 65535) */
493 {_SIMM10, 10, {-(1 << 9), (1 << 9) - 1}}, /* ( -512 ~ 511 ) */
494 {_SIMM12, 12, {-(1 << 11), (1 << 11) - 1}}, /* ( -2048 ~ 2047 ) */
495 {_SIMM14, 14, {-(1 << 13), (1 << 13) - 1}}, /* ( -8192 ~ 8191 ) */
496 {_SIMM15, 15, {-(1 << 14), (1 << 14) - 1}}, /* (-16384 ~ 16383) */
497 {_SIMM16, 16, {-(1 << 15), (1 << 15) - 1}}, /* (-32768 ~ 32767) */
498 {_SIMM14_NEG, 14, {-(1 << 13), (1 << 13) - 1}}, /* ( -8191 ~ 8192 ) */
499 {_IMM16_NEG, 16, {0, (1 << 16) - 1}}, /* (-65535 ~ 0 ) */
500 {_SIMM16_NEG, 16, {-(1 << 15), (1 << 15) - 1}}, /* (-32768 ~ 32767) */
501 {_IMM20, 20, {0, (1 << 20) - 1}},
502 {_IMM25, 25, {0, (1 << 25) - 1}},
503 {_DISP8div2, 8, {-(1 << 8), (1 << 8) - 1}}, /* ( -256 ~ 255 ) */
504 {_DISP11div2, 11, {0, 0}},
505 {_DISP19div2, 19, {-(1 << 19), (1 << 19) - 1}}, /* (-524288 ~ 524287) */
506 {_DISP24div2, 24, {0, 0}},
507 {_VALUE, 32, {0, ((unsigned int)1 << 31) - 1}},
508 {_VALUE_HI16, 16, {0, (1 << 16) - 1}},
509 {_VALUE_LO16, 16, {0, (1 << 16) - 1}},
510 {_VALUE_LDST_LO16, 16, {0, (1 << 16) - 1}},
511 {_SIMM16_LA, 16, {-(1 << 15), (1 << 15) - 1}}, /* (-32768 ~ 32767) */
512 {_IMM5_RSHIFT_1, 5, {0, (1 << 6) - 1}}, /* ( 0 ~ 63 ) */
513 {_IMM5_RSHIFT_2, 5, {0, (1 << 7) - 1}}, /* ( 0 ~ 127 ) */
514 {_SIMM16_LA_POS, 16, {0, (1 << 15) - 1}}, /* ( 0 ~ 32767) */
515 {_IMM5_RANGE_8_31, 5, {8, 31}}, /* But for cop0 the valid data : (8 ~ 31). */
516 {_IMM10_RSHIFT_2, 10, {-(1 << 11), (1 << 11) - 1}}, /* For ldc#, stc#. */
517 {_SIMM10, 10, {0, (1 << 10) - 1}}, /* ( -1024 ~ 1023 ) */
518 {_SIMM12, 12, {0, (1 << 12) - 1}}, /* ( -2048 ~ 2047 ) */
519 {_SIMM14, 14, {0, (1 << 14) - 1}}, /* ( -8192 ~ 8191 ) */
520 {_SIMM15, 15, {0, (1 << 15) - 1}}, /* (-16384 ~ 16383) */
521 {_SIMM16, 16, {0, (1 << 16) - 1}}, /* (-65536 ~ 65536) */
522 {_SIMM14_NEG, 14, {0, (1 << 16) - 1}}, /* ( -8191 ~ 8192 ) */
523 {_IMM16_NEG, 16, {0, (1 << 16) - 1}}, /* ( 65535 ~ 0 ) */
524 {_SIMM16_NEG, 16, {0, (1 << 16) - 1}}, /* ( 65535 ~ 0 ) */
525 {_IMM20, 20, {0, (1 << 20) - 1}}, /* (-32768 ~ 32767) */
526 {_IMM25, 25, {0, (1 << 25) - 1}}, /* (-32768 ~ 32767) */
527 {_GP_IMM15, 15, {0, (1 << 15) - 1}}, /* ( 0 ~ 65535) */
528 {_GP_IMM14, 14, {0, (1 << 14) - 1}}, /* ( 0 ~ 65535) */
529 {_SIMM16_pic, 16, {-(1 << 15), (1 << 15) - 1}}, /* (-32768 ~ 32767) */
530 {_IMM16_LO16_pic, 16, {0, (1 << 16) - 1}}, /* ( 65535 ~ 0 ) */
531 {_IMM16_pic, 16, {0, (1 << 16) - 1}}, /* ( 0 ~ 65535) */
532 {_SIMM5, 5, {-(1 << 4), (1 << 4) - 1}}, /* ( -16 ~ 15 ) */
533 {_SIMM6, 6, {-(1 << 5), (1 << 5) - 1}}, /* ( -32 ~ 31 ) */
534 {_IMM32, 32, {0, 0xfffffff}},
535 {_SIMM32, 32, {-0x80000000, 0x7fffffff}},
536 {_IMM11, 11, {0, (1 << 11) - 1}},
537 };
538
539 struct s3_asm_opcode
540 {
541 /* Instruction name. */
542 const char *template_name;
543
544 /* Instruction Opcode. */
545 bfd_vma value;
546
547 /* Instruction bit mask. */
548 bfd_vma bitmask;
549
550 /* Relax instruction opcode. 0x8000 imply no relaxation. */
551 bfd_vma relax_value;
552
553 /* Instruction type. */
554 enum score_insn_type type;
555
556 /* Function to call to parse args. */
557 void (*parms) (char *);
558 };
559
560 static const struct s3_asm_opcode s3_score_ldst_insns[] =
561 {
562 {"lw", 0x20000000, 0x3e000000, 0x1000, Rd_rvalueRs_SI15, s3_do_ldst_insn},
563 {"lw", 0x06000000, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, s3_do_ldst_insn},
564 {"lw", 0x0e000000, 0x3e000007, 0x0040, Rd_rvalueRs_postSI12, s3_do_ldst_insn},
565 {"lh", 0x22000000, 0x3e000000, 0x8000, Rd_rvalueRs_SI15, s3_do_ldst_insn},
566 {"lh", 0x06000001, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, s3_do_ldst_insn},
567 {"lh", 0x0e000001, 0x3e000007, 0x8000, Rd_rvalueRs_postSI12, s3_do_ldst_insn},
568 {"lhu", 0x24000000, 0x3e000000, 0x8000, Rd_rvalueRs_SI15, s3_do_ldst_insn},
569 {"lhu", 0x06000002, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, s3_do_ldst_insn},
570 {"lhu", 0x0e000002, 0x3e000007, 0x8000, Rd_rvalueRs_postSI12, s3_do_ldst_insn},
571 {"lb", 0x26000000, 0x3e000000, 0x8000, Rd_rvalueRs_SI15, s3_do_ldst_insn},
572 {"lb", 0x06000003, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, s3_do_ldst_insn},
573 {"lb", 0x0e000003, 0x3e000007, 0x8000, Rd_rvalueRs_postSI12, s3_do_ldst_insn},
574 {"sw", 0x28000000, 0x3e000000, 0x2000, Rd_lvalueRs_SI15, s3_do_ldst_insn},
575 {"sw", 0x06000004, 0x3e000007, 0x0060, Rd_lvalueRs_preSI12, s3_do_ldst_insn},
576 {"sw", 0x0e000004, 0x3e000007, 0x8000, Rd_lvalueRs_postSI12, s3_do_ldst_insn},
577 {"sh", 0x2a000000, 0x3e000000, 0x8000, Rd_lvalueRs_SI15, s3_do_ldst_insn},
578 {"sh", 0x06000005, 0x3e000007, 0x8000, Rd_lvalueRs_preSI12, s3_do_ldst_insn},
579 {"sh", 0x0e000005, 0x3e000007, 0x8000, Rd_lvalueRs_postSI12, s3_do_ldst_insn},
580 {"lbu", 0x2c000000, 0x3e000000, 0x8000, Rd_rvalueRs_SI15, s3_do_ldst_insn},
581 {"lbu", 0x06000006, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, s3_do_ldst_insn},
582 {"lbu", 0x0e000006, 0x3e000007, 0x8000, Rd_rvalueRs_postSI12, s3_do_ldst_insn},
583 {"sb", 0x2e000000, 0x3e000000, 0x8000, Rd_lvalueRs_SI15, s3_do_ldst_insn},
584 {"sb", 0x06000007, 0x3e000007, 0x8000, Rd_lvalueRs_preSI12, s3_do_ldst_insn},
585 {"sb", 0x0e000007, 0x3e000007, 0x8000, Rd_lvalueRs_postSI12, s3_do_ldst_insn},
586 };
587
588 static const struct s3_asm_opcode s3_score_insns[] =
589 {
590 {"abs", 0x3800000a, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_dsp3},
591 {"abs.s", 0x3800004b, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_dsp3},
592 {"add", 0x00000010, 0x3e0003ff, 0x4800, Rd_Rs_Rs, s3_do_rdrsrs},
593 {"add.c", 0x00000011, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
594 {"add.s", 0x38000048, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_dsp2},
595 {"addc", 0x00000012, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
596 {"addc.c", 0x00000013, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
597 {"addi", 0x02000000, 0x3e0e0001, 0x5c00, Rd_SI16, s3_do_rdsi16},
598 {"addi.c", 0x02000001, 0x3e0e0001, 0x8000, Rd_SI16, s3_do_rdsi16},
599 {"addis", 0x0a000000, 0x3e0e0001, 0x8000, Rd_SI16, s3_do_rdi16},
600 {"addis.c", 0x0a000001, 0x3e0e0001, 0x8000, Rd_SI16, s3_do_rdi16},
601 {"addi!", 0x5c00, 0x7c00, 0x8000, Rd_SI6, s3_do16_addi},
602 {"addri", 0x10000000, 0x3e000001, 0x8000, Rd_Rs_SI14, s3_do_rdrssi14},
603 {"addri.c", 0x10000001, 0x3e000001, 0x8000, Rd_Rs_SI14, s3_do_rdrssi14},
604
605 /* add.c <-> add!. */
606 {"add!", 0x4800, 0x7f00, 0x8000, Rd_Rs, s3_do16_rdrs2},
607 {"subi", 0x02000000, 0x3e0e0001, 0x8000, Rd_SI16, s3_do_sub_rdsi16},
608 {"subi.c", 0x02000001, 0x3e0e0001, 0x8000, Rd_SI16, s3_do_sub_rdsi16},
609 {"subis", 0x0a000000, 0x3e0e0001, 0x8000, Rd_SI16, s3_do_sub_rdi16},
610 {"subis.c", 0x0a000001, 0x3e0e0001, 0x8000, Rd_SI16, s3_do_sub_rdi16},
611 {"subri", 0x10000000, 0x3e000001, 0x8000, Rd_Rs_SI14, s3_do_sub_rdrssi14},
612 {"subri.c", 0x10000001, 0x3e000001, 0x8000, Rd_Rs_SI14, s3_do_sub_rdrssi14},
613 {"and", 0x00000020, 0x3e0003ff, 0x4b00, Rd_Rs_Rs, s3_do_rdrsrs},
614 {"and.c", 0x00000021, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
615 {"andi", 0x02080000, 0x3e0e0001, 0x8000, Rd_I16, s3_do_rdi16},
616 {"andi.c", 0x02080001, 0x3e0e0001, 0x8000, Rd_I16, s3_do_rdi16},
617 {"andis", 0x0a080000, 0x3e0e0001, 0x8000, Rd_I16, s3_do_rdi16},
618 {"andis.c", 0x0a080001, 0x3e0e0001, 0x8000, Rd_I16, s3_do_rdi16},
619 {"andri", 0x18000000, 0x3e000001, 0x8000, Rd_Rs_I14, s3_do_rdrsi14},
620 {"andri.c", 0x18000001, 0x3e000001, 0x8000, Rd_Rs_I14, s3_do_rdrsi14},
621
622 /* and.c <-> and!. */
623 {"and!", 0x4b00, 0x7f00, 0x8000, Rd_Rs, s3_do16_rdrs2},
624 {"bcs", 0x08000000, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
625 {"bcc", 0x08000400, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
626 {"bcnz", 0x08003800, 0x3e007c01, 0x3200, PC_DISP19div2, s3_do_branch},
627 {"bcsl", 0x08000001, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
628 {"bccl", 0x08000401, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
629 {"bcnzl", 0x08003801, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
630 {"bcnz!", 0x3200, 0x7f00, 0x08003800, PC_DISP8div2, s3_do16_branch},
631 {"beq", 0x08001000, 0x3e007c01, 0x3800, PC_DISP19div2, s3_do_branch},
632 {"beql", 0x08001001, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
633 {"beq!", 0x3800, 0x7e00, 0x08001000, PC_DISP8div2, s3_do16_branch},
634 {"bgtu", 0x08000800, 0x3e007c01, 0x3400, PC_DISP19div2, s3_do_branch},
635 {"bgt", 0x08001800, 0x3e007c01, 0x3c00, PC_DISP19div2, s3_do_branch},
636 {"bge", 0x08002000, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
637 {"bgtul", 0x08000801, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
638 {"bgtl", 0x08001801, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
639 {"bgel", 0x08002001, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
640 {"bgtu!", 0x3400, 0x7e00, 0x08000800, PC_DISP8div2, s3_do16_branch},
641 {"bgt!", 0x3c00, 0x7e00, 0x08001800, PC_DISP8div2, s3_do16_branch},
642 {"bitclr", 0x00000028, 0x3e0003ff, 0x5000, Rd_Rs_I5, s3_do_rdrsi5},
643 {"bitclr.c", 0x00000029, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5},
644
645 {"mbitclr", 0x00000064, 0x3e00007e, 0x8000, Ra_I9_I5, s3_do_mbitclr},
646 {"mbitset", 0x0000006c, 0x3e00007e, 0x8000, Ra_I9_I5, s3_do_mbitset},
647
648 {"bitrev", 0x3800000c, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_dsp2},
649 {"bitset", 0x0000002a, 0x3e0003ff, 0x5200, Rd_Rs_I5, s3_do_rdrsi5},
650 {"bitset.c", 0x0000002b, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5},
651 {"bittst.c", 0x0000002d, 0x3e0003ff, 0x5400, x_Rs_I5, s3_do_xrsi5},
652 {"bittgl", 0x0000002e, 0x3e0003ff, 0x5600, Rd_Rs_I5, s3_do_rdrsi5},
653 {"bittgl.c", 0x0000002f, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5},
654 {"bitclr!", 0x5000, 0x7e00, 0x8000, Rd_I5, s3_do16_rdi5},
655 {"bitset!", 0x5200, 0x7e00, 0x8000, Rd_I5, s3_do16_rdi5},
656 {"bittst!", 0x5400, 0x7e00, 0x8000, Rd_I5, s3_do16_rdi5},
657 {"bittgl!", 0x5600, 0x7e00, 0x8000, Rd_I5, s3_do16_rdi5},
658 {"bleu", 0x08000c00, 0x3e007c01, 0x3600, PC_DISP19div2, s3_do_branch},
659 {"ble", 0x08001c00, 0x3e007c01, 0x3e00, PC_DISP19div2, s3_do_branch},
660 {"blt", 0x08002400, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
661 {"bleul", 0x08000c01, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
662 {"blel", 0x08001c01, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
663 {"bltl", 0x08002401, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
664 {"bl", 0x08003c01, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
665 {"bleu!", 0x3600, 0x7e00, 0x08000c00, PC_DISP8div2, s3_do16_branch},
666 {"ble!", 0x3e00, 0x7e00, 0x08001c00, PC_DISP8div2, s3_do16_branch},
667 {"bmi", 0x08002800, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
668 {"bmil", 0x08002801, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
669 {"bne", 0x08001400, 0x3e007c01, 0x3a00, PC_DISP19div2, s3_do_branch},
670 {"bnel", 0x08001401, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
671 {"bne!", 0x3a00, 0x7e00, 0x08001400, PC_DISP8div2, s3_do16_branch},
672 {"bpl", 0x08002c00, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
673 {"bpll", 0x08002c01, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
674 {"brcs", 0x00000008, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
675 {"brcc", 0x00000408, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
676 {"brgtu", 0x00000808, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
677 {"brleu", 0x00000c08, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
678 {"breq", 0x00001008, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
679 {"brne", 0x00001408, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
680 {"brgt", 0x00001808, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
681 {"brle", 0x00001c08, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
682 {"brge", 0x00002008, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
683 {"brlt", 0x00002408, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
684 {"brmi", 0x00002808, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
685 {"brpl", 0x00002c08, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
686 {"brvs", 0x00003008, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
687 {"brvc", 0x00003408, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
688 {"brcnz", 0x00003808, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
689 {"br", 0x00003c08, 0x3e007fff, 0x0080, x_Rs_x, s3_do_rs},
690 {"brcsl", 0x00000009, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
691 {"brccl", 0x00000409, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
692 {"brgtul", 0x00000809, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
693 {"brleul", 0x00000c09, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
694 {"breql", 0x00001009, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
695 {"brnel", 0x00001409, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
696 {"brgtl", 0x00001809, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
697 {"brlel", 0x00001c09, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
698 {"brgel", 0x00002009, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
699 {"brltl", 0x00002409, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
700 {"brmil", 0x00002809, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
701 {"brpll", 0x00002c09, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
702 {"brvsl", 0x00003009, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
703 {"brvcl", 0x00003409, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
704 {"brcnzl", 0x00003809, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
705 {"brl", 0x00003c09, 0x3e007fff, 0x00a0, x_Rs_x, s3_do_rs},
706 {"br!", 0x0080, 0x7fe0, 0x8000, x_Rs, s3_do16_br},
707 {"brl!", 0x00a0, 0x7fe0, 0x8000, x_Rs, s3_do16_br},
708 {"brr!", 0x00c0, 0x7fe0, 0x8000, x_Rs, s3_do16_brr},
709 {"bvs", 0x08003000, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
710 {"bvc", 0x08003400, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
711 {"bvsl", 0x08003001, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
712 {"bvcl", 0x08003401, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
713 {"b!", 0x3000, 0x7e00, 0x08003c00, PC_DISP8div2, s3_do16_branch},
714 {"b", 0x08003c00, 0x3e007c01, 0x3000, PC_DISP19div2, s3_do_branch},
715 {"cache", 0x30000000, 0x3ff00000, 0x8000, OP5_rvalueRs_SI15, s3_do_cache},
716 {"ceinst", 0x38000000, 0x3e000000, 0x8000, I5_Rs_Rs_I5_OP5, s3_do_ceinst},
717 {"clz", 0x0000001c, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
718 {"cmp.c", 0x00300019, 0x3ff003ff, 0x4400, x_Rs_Rs, s3_do_rsrs},
719 {"cmpz.c", 0x0030001b, 0x3ff07fff, 0x8000, x_Rs_x, s3_do_rs},
720 {"cmpi.c", 0x02040001, 0x3e0e0001, 0x6000, Rd_SI16, s3_do_rdsi16},
721
722 /* cmp.c <-> cmp!. */
723 {"cmp!", 0x4400, 0x7c00, 0x8000, Rd_Rs, s3_do16_mv_cmp},
724 {"cmpi!", 0x6000, 0x7c00, 0x8000, Rd_SI5, s3_do16_cmpi},
725 {"cop1", 0x0c00000c, 0x3e00001f, 0x8000, Rd_Rs_Rs_imm, s3_do_crdcrscrsimm5},
726 {"cop2", 0x0c000014, 0x3e00001f, 0x8000, Rd_Rs_Rs_imm, s3_do_crdcrscrsimm5},
727 {"cop3", 0x0c00001c, 0x3e00001f, 0x8000, Rd_Rs_Rs_imm, s3_do_crdcrscrsimm5},
728 {"drte", 0x0c0000a4, 0x3e0003ff, 0x8000, NO_OPD, s3_do_empty},
729 {"disint!", 0x00e0, 0xffe1, 0x8000, NO16_OPD, s3_do16_int},
730 {"enint!", 0x00e1, 0xffe1, 0x8000, NO16_OPD, s3_do16_int},
731 {"extsb", 0x00000058, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs},
732 {"extsb.c", 0x00000059, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs},
733 {"extsh", 0x0000005a, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs},
734 {"extsh.c", 0x0000005b, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs},
735 {"extzb", 0x0000005c, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs},
736 {"extzb.c", 0x0000005d, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs},
737 {"extzh", 0x0000005e, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs},
738 {"extzh.c", 0x0000005f, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs},
739 {"jl", 0x04000001, 0x3e000001, 0x8000, PC_DISP24div2, s3_do_jump},
740 {"j", 0x04000000, 0x3e000001, 0x8000, PC_DISP24div2, s3_do_jump},
741 {"alw", 0x0000000c, 0x3e0003ff, 0x8000, Rd_rvalue32Rs, s3_do_ldst_atomic},
742 {"lcb", 0x00000060, 0x3e0003ff, 0x8000, x_rvalueRs_post4, s3_do_ldst_unalign},
743 {"lcw", 0x00000062, 0x3e0003ff, 0x8000, Rd_rvalueRs_post4, s3_do_ldst_unalign},
744 {"lce", 0x00000066, 0x3e0003ff, 0x8000, Rd_rvalueRs_post4, s3_do_ldst_unalign},
745 {"ldc1", 0x0c00000a, 0x3e00001f, 0x8000, Rd_rvalueRs_SI10, s3_do_ldst_cop},
746 {"ldc2", 0x0c000012, 0x3e00001f, 0x8000, Rd_rvalueRs_SI10, s3_do_ldst_cop},
747 {"ldc3", 0x0c00001a, 0x3e00001f, 0x8000, Rd_rvalueRs_SI10, s3_do_ldst_cop},
748
749 /* s3_inst.relax */
750 {"ldi", 0x020c0000, 0x3e0e0000, 0x6400, Rd_SI16, s3_do_rdsi16},
751 {"ldis", 0x0a0c0000, 0x3e0e0000, 0x8000, Rd_I16, s3_do_ldis},
752
753 /* ldi <-> ldiu!. */
754 {"ldiu!", 0x6400, 0x7c00, 0x8000, Rd_I5, s3_do16_ldiu},
755
756 /*ltbb! , ltbh! ltbw! */
757 {"ltbw", 0x00000032, 0x03ff, 0x8000, Rd_Rs_Rs, s3_do_ltb},
758 {"ltbh", 0x00000132, 0x03ff, 0x8000, Rd_Rs_Rs, s3_do_ltb},
759 {"ltbb", 0x00000332, 0x03ff, 0x8000, Rd_Rs_Rs, s3_do_ltb},
760 {"lw!", 0x1000, 0x7000, 0x8000, Rd_rvalueRs, s3_do16_ldst_insn},
761 {"mfcel", 0x00000448, 0x3e007fff, 0x8000, Rd_x_x, s3_do_rd},
762 {"mfcel!", 0x7100, 0x7ff0, 0x00000448, x_Rs, s3_do16_dsp},
763 {"mad", 0x38000000, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
764 {"mad.f!", 0x7400, 0x7f00, 0x38000080, Rd_Rs, s3_do16_dsp2},
765 {"madh", 0x38000203, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
766 {"madh.fs", 0x380002c3, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
767 {"madh.fs!", 0x7b00, 0x7f00, 0x380002c3, Rd_Rs, s3_do16_dsp2},
768 {"madl", 0x38000002, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
769 {"madl.fs", 0x380000c2, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
770 {"madl.fs!", 0x7a00, 0x7f00, 0x380000c2, Rd_Rs, s3_do16_dsp2},
771 {"madu", 0x38000020, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
772 {"madu!", 0x7500, 0x7f00, 0x38000020, Rd_Rs, s3_do16_dsp2},
773 {"mad.f", 0x38000080, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
774 {"max", 0x38000007, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_dsp2},
775 {"mazh", 0x38000303, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
776 {"mazh.f", 0x38000383, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
777 {"mazh.f!", 0x7900, 0x7f00, 0x3800038c, Rd_Rs, s3_do16_dsp2},
778 {"mazl", 0x38000102, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
779 {"mazl.f", 0x38000182, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
780 {"mazl.f!", 0x7800, 0x7f00, 0x38000182, Rd_Rs, s3_do16_dsp2},
781 {"mfceh", 0x00000848, 0x3e007fff, 0x8000, Rd_x_x, s3_do_rd},
782 {"mfceh!", 0x7110, 0x7ff0, 0x00000848, x_Rs, s3_do16_dsp},
783 {"mfcehl", 0x00000c48, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
784 {"mfsr", 0x00000050, 0x3e0003ff, 0x8000, Rd_x_I5, s3_do_rdsrs},
785 {"mfcr", 0x0c000001, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs},
786 {"mfc1", 0x0c000009, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs},
787 {"mfc2", 0x0c000011, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs},
788 {"mfc3", 0x0c000019, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs},
789 {"mfcc1", 0x0c00000f, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs},
790 {"mfcc2", 0x0c000017, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs},
791 {"mfcc3", 0x0c00001f, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs},
792 {"min", 0x38000006, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_dsp2},
793 {"msb", 0x38000001, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
794 {"msb.f!", 0x7600, 0x7f00, 0x38000081, Rd_Rs, s3_do16_dsp2},
795 {"msbh", 0x38000205, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
796 {"msbh.fs", 0x380002c5, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
797 {"msbh.fs!", 0x7f00, 0x7f00, 0x380002c5, Rd_Rs, s3_do16_dsp2},
798 {"msbl", 0x38000004, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
799 {"msbl.fs", 0x380000c4, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
800 {"msbl.fs!", 0x7e00, 0x7f00, 0x380000c4, Rd_Rs, s3_do16_dsp2},
801 {"msbu", 0x38000021, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
802 {"msbu!", 0x7700, 0x7f00, 0x38000021, Rd_Rs, s3_do16_dsp2},
803 {"msb.f", 0x38000081, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
804 {"mszh", 0x38000305, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
805 {"mszh.f", 0x38000385, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
806 {"mszh.f!", 0x7d00, 0x7f00, 0x38000385, Rd_Rs, s3_do16_dsp2},
807 {"mszl", 0x38000104, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
808 {"mszl.f", 0x38000184, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
809 {"mszl.f!", 0x7c00, 0x7f00, 0x38000184, Rd_Rs, s3_do16_dsp2},
810 {"mtcel!", 0x7000, 0x7ff0, 0x0000044a, x_Rs, s3_do16_dsp},
811 {"mtcel", 0x0000044a, 0x3e007fff, 0x8000, Rd_x_x, s3_do_rd},
812 {"mtceh", 0x0000084a, 0x3e007fff, 0x8000, Rd_x_x, s3_do_rd},
813 {"mtceh!", 0x7010, 0x7ff0, 0x0000084a, x_Rs, s3_do16_dsp},
814 {"mtcehl", 0x00000c4a, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
815 {"mtsr", 0x00000052, 0x3e0003ff, 0x8000, x_Rs_I5, s3_do_rdsrs},
816 {"mtcr", 0x0c000000, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs},
817 {"mtc1", 0x0c000008, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs},
818 {"mtc2", 0x0c000010, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs},
819 {"mtc3", 0x0c000018, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs},
820 {"mtcc1", 0x0c00000e, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs},
821 {"mtcc2", 0x0c000016, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs},
822 {"mtcc3", 0x0c00001e, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs},
823 {"mul.f!", 0x7200, 0x7f00, 0x00000041, Rd_Rs, s3_do16_dsp2},
824 {"mulu!", 0x7300, 0x7f00, 0x00000042, Rd_Rs, s3_do16_dsp2},
825 {"mulr.l", 0x00000140, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
826 {"mulr.h", 0x00000240, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
827 {"mulr", 0x00000340, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
828 {"mulr.lf", 0x00000141, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
829 {"mulr.hf", 0x00000241, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
830 {"mulr.f", 0x00000341, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
831 {"mulur.l", 0x00000142, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
832 {"mulur.h", 0x00000242, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
833 {"mulur", 0x00000342, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
834 {"divr.q", 0x00000144, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
835 {"divr.r", 0x00000244, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
836 {"divr", 0x00000344, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
837 {"divur.q", 0x00000146, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
838 {"divur.r", 0x00000246, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
839 {"divur", 0x00000346, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
840 {"mvcs", 0x00000056, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
841 {"mvcc", 0x00000456, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
842 {"mvgtu", 0x00000856, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
843 {"mvleu", 0x00000c56, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
844 {"mveq", 0x00001056, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
845 {"mvne", 0x00001456, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
846 {"mvgt", 0x00001856, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
847 {"mvle", 0x00001c56, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
848 {"mvge", 0x00002056, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
849 {"mvlt", 0x00002456, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
850 {"mvmi", 0x00002856, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
851 {"mvpl", 0x00002c56, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
852 {"mvvs", 0x00003056, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
853 {"mvvc", 0x00003456, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
854
855 /* mv <-> mv!. */
856 {"mv", 0x00003c56, 0x3e007fff, 0x4000, Rd_Rs_x, s3_do_rdrs},
857 {"mv!", 0x4000, 0x7c00, 0x8000, Rd_Rs, s3_do16_mv_cmp},
858 {"neg", 0x0000001e, 0x3e0003ff, 0x8000, Rd_x_Rs, s3_do_rdxrs},
859 {"neg.c", 0x0000001f, 0x3e0003ff, 0x8000, Rd_x_Rs, s3_do_rdxrs},
860 {"nop", 0x00000000, 0x3e0003ff, 0x0000, NO_OPD, s3_do_empty},
861 {"not", 0x00000024, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs},
862 {"not.c", 0x00000025, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs},
863 {"nop!", 0x0000, 0x7fff, 0x8000, NO16_OPD, s3_do_empty},
864 {"or", 0x00000022, 0x3e0003ff, 0x4a00, Rd_Rs_Rs, s3_do_rdrsrs},
865 {"or.c", 0x00000023, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
866 {"ori", 0x020a0000, 0x3e0e0001, 0x8000, Rd_I16, s3_do_rdi16},
867 {"ori.c", 0x020a0001, 0x3e0e0001, 0x8000, Rd_I16, s3_do_rdi16},
868 {"oris", 0x0a0a0000, 0x3e0e0001, 0x8000, Rd_I16, s3_do_rdi16},
869 {"oris.c", 0x0a0a0001, 0x3e0e0001, 0x8000, Rd_I16, s3_do_rdi16},
870 {"orri", 0x1a000000, 0x3e000001, 0x8000, Rd_Rs_I14, s3_do_rdrsi14},
871 {"orri.c", 0x1a000001, 0x3e000001, 0x8000, Rd_Rs_I14, s3_do_rdrsi14},
872
873 /* or.c <-> or!. */
874 {"or!", 0x4a00, 0x7f00, 0x8000, Rd_Rs, s3_do16_rdrs2},
875 {"pflush", 0x0000000a, 0x3e0003ff, 0x8000, NO_OPD, s3_do_empty},
876 {"pop!", 0x0040, 0x7fe0, 0x8000, Rd_rvalueRs, s3_do16_push_pop},
877 {"push!", 0x0060, 0x7fe0, 0x8000, Rd_lvalueRs, s3_do16_push_pop},
878
879 {"rpop!", 0x6800, 0x7c00, 0x8000, Rd_I5, s3_do16_rpop},
880 {"rpush!", 0x6c00, 0x7c00, 0x8000, Rd_I5, s3_do16_rpush},
881
882 {"ror", 0x00000038, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
883 {"ror.c", 0x00000039, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
884 {"rorc.c", 0x0000003b, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
885 {"rol", 0x0000003c, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
886 {"rol.c", 0x0000003d, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
887 {"rolc.c", 0x0000003f, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
888 {"rori", 0x00000078, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5},
889 {"rori.c", 0x00000079, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5},
890 {"roric.c", 0x0000007b, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5},
891 {"roli", 0x0000007c, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5},
892 {"roli.c", 0x0000007d, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5},
893 {"rolic.c", 0x0000007f, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5},
894 {"rte", 0x0c000084, 0x3e0003ff, 0x8000, NO_OPD, s3_do_empty},
895 {"asw", 0x0000000e, 0x3e0003ff, 0x8000, Rd_lvalue32Rs, s3_do_ldst_atomic},
896 {"scb", 0x00000068, 0x3e0003ff, 0x8000, Rd_lvalueRs_post4, s3_do_ldst_unalign},
897 {"scw", 0x0000006a, 0x3e0003ff, 0x8000, Rd_lvalueRs_post4, s3_do_ldst_unalign},
898 {"sce", 0x0000006e, 0x3e0003ff, 0x8000, x_lvalueRs_post4, s3_do_ldst_unalign},
899 {"sdbbp", 0x00000006, 0x3e0003ff, 0x0020, x_I5_x, s3_do_xi5x},
900 {"sdbbp!", 0x0020, 0x7fe0, 0x8000, Rd_I5, s3_do16_xi5},
901 {"sleep", 0x0c0000c4, 0x3e0003ff, 0x8000, NO_OPD, s3_do_empty},
902 {"rti", 0x0c0000e4, 0x3e0003ff, 0x8000, NO_OPD, s3_do_empty},
903 {"sll", 0x00000030, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
904 {"sll.c", 0x00000031, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
905 {"sll.s", 0x3800004e, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_dsp2},
906 {"slli", 0x00000070, 0x3e0003ff, 0x5800, Rd_Rs_I5, s3_do_rdrsi5},
907 {"slli.c", 0x00000071, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5},
908
909 /* slli.c <-> slli!. */
910 {"slli!", 0x5800, 0x7e00, 0x8000, Rd_I5, s3_do16_slli_srli},
911 {"srl", 0x00000034, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
912 {"srl.c", 0x00000035, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
913 {"sra", 0x00000036, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
914 {"sra.c", 0x00000037, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
915 {"srli", 0x00000074, 0x3e0003ff, 0x5a00, Rd_Rs_I5, s3_do_rdrsi5},
916 {"srli.c", 0x00000075, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5},
917 {"srai", 0x00000076, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5},
918 {"srai.c", 0x00000077, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5},
919
920 /* srli.c <-> srli!. */
921 {"srli!", 0x5a00, 0x7e00, 0x8000, Rd_Rs, s3_do16_slli_srli},
922 {"stc1", 0x0c00000b, 0x3e00001f, 0x8000, Rd_lvalueRs_SI10, s3_do_ldst_cop},
923 {"stc2", 0x0c000013, 0x3e00001f, 0x8000, Rd_lvalueRs_SI10, s3_do_ldst_cop},
924 {"stc3", 0x0c00001b, 0x3e00001f, 0x8000, Rd_lvalueRs_SI10, s3_do_ldst_cop},
925 {"sub", 0x00000014, 0x3e0003ff, 0x4900, Rd_Rs_Rs, s3_do_rdrsrs},
926 {"sub.c", 0x00000015, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
927 {"sub.s", 0x38000049, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_dsp2},
928 {"subc", 0x00000016, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
929 {"subc.c", 0x00000017, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
930
931 /* sub.c <-> sub!. */
932 {"sub!", 0x4900, 0x7f00, 0x8000, Rd_Rs, s3_do16_rdrs2},
933 {"sw!", 0x2000, 0x7000, 0x8000, Rd_lvalueRs, s3_do16_ldst_insn},
934 {"syscall", 0x00000002, 0x3e0003ff, 0x8000, I15, s3_do_i15},
935 {"trapcs", 0x00000004, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
936 {"trapcc", 0x00000404, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
937 {"trapgtu", 0x00000804, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
938 {"trapleu", 0x00000c04, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
939 {"trapeq", 0x00001004, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
940 {"trapne", 0x00001404, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
941 {"trapgt", 0x00001804, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
942 {"traple", 0x00001c04, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
943 {"trapge", 0x00002004, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
944 {"traplt", 0x00002404, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
945 {"trapmi", 0x00002804, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
946 {"trappl", 0x00002c04, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
947 {"trapvs", 0x00003004, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
948 {"trapvc", 0x00003404, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
949 {"trap", 0x00003c04, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
950 {"xor", 0x00000026, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
951 {"xor.c", 0x00000027, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
952
953 /* Macro instruction. */
954 {"li", 0x020c0000, 0x3e0e0000, 0x8000, Insn_Type_SYN, s3_do_macro_li_rdi32},
955
956 /* la reg, imm32 -->(1) ldi reg, simm16
957 (2) ldis reg, %HI(imm32)
958 ori reg, %LO(imm32)
959
960 la reg, symbol -->(1) lis reg, %HI(imm32)
961 ori reg, %LO(imm32) */
962 {"la", 0x020c0000, 0x3e0e0000, 0x8000, Insn_Type_SYN, s3_do_macro_la_rdi32},
963 {"bcmpeqz", 0x0000004c, 0x3e00007e, 0x8000, Insn_BCMP, s3_do_macro_bcmpz},
964 {"bcmpeq", 0x0000004c, 0x3e00007e, 0x8000, Insn_BCMP, s3_do_macro_bcmp},
965 {"bcmpnez", 0x0000004e, 0x3e00007e, 0x8000, Insn_BCMP, s3_do_macro_bcmpz},
966 {"bcmpne", 0x0000004e, 0x3e00007e, 0x8000, Insn_BCMP, s3_do_macro_bcmp},
967 {"div", 0x00000044, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs},
968 {"divu", 0x00000046, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs},
969 {"rem", 0x00000044, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs},
970 {"remu", 0x00000046, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs},
971 {"mul", 0x00000040, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs},
972 {"mulu", 0x00000042, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs},
973 {"maz", 0x00000040, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs},
974 {"mazu", 0x00000042, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs},
975 {"mul.f", 0x00000041, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs},
976 {"maz.f", 0x00000041, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs},
977 {"lb", INSN_LB, 0x00000000, 0x8000, Insn_Type_SYN, s3_do_macro_ldst_label},
978 {"lbu", INSN_LBU, 0x00000000, 0x8000, Insn_Type_SYN, s3_do_macro_ldst_label},
979 {"lh", INSN_LH, 0x00000000, 0x8000, Insn_Type_SYN, s3_do_macro_ldst_label},
980 {"lhu", INSN_LHU, 0x00000000, 0x8000, Insn_Type_SYN, s3_do_macro_ldst_label},
981 {"lw", INSN_LW, 0x00000000, 0x1000, Insn_Type_SYN, s3_do_macro_ldst_label},
982 {"sb", INSN_SB, 0x00000000, 0x8000, Insn_Type_SYN, s3_do_macro_ldst_label},
983 {"sh", INSN_SH, 0x00000000, 0x8000, Insn_Type_SYN, s3_do_macro_ldst_label},
984 {"sw", INSN_SW, 0x00000000, 0x2000, Insn_Type_SYN, s3_do_macro_ldst_label},
985
986 /* Assembler use internal. */
987 {"ld_i32hi", 0x0a0c0000, 0x3e0e0000, 0x8000, Insn_internal, s3_do_macro_rdi32hi},
988 {"ld_i32lo", 0x020a0000, 0x3e0e0001, 0x8000, Insn_internal, s3_do_macro_rdi32lo},
989 {"ldis_pic", 0x0a0c0000, 0x3e0e0000, 0x8000, Insn_internal, s3_do_rdi16_pic},
990 {"addi_s_pic",0x02000000, 0x3e0e0001, 0x8000, Insn_internal, s3_do_addi_s_pic},
991 {"addi_u_pic",0x02000000, 0x3e0e0001, 0x8000, Insn_internal, s3_do_addi_u_pic},
992 {"lw_pic", 0x20000000, 0x3e000000, 0x8000, Insn_internal, s3_do_lw_pic},
993
994 /* 48-bit instructions. */
995 {"sdbbp48", 0x000000000000LL, 0x1c000000001fLL, 0x8000, Rd_I32, s3_do_sdbbp48},
996 {"ldi48", 0x000000000001LL, 0x1c000000001fLL, 0x8000, Rd_I32, s3_do_ldi48},
997 {"lw48", 0x000000000002LL, 0x1c000000001fLL, 0x8000, Rd_I30, s3_do_lw48},
998 {"sw48", 0x000000000003LL, 0x1c000000001fLL, 0x8000, Rd_I30, s3_do_sw48},
999 {"andri48", 0x040000000000LL, 0x1c0000000003LL, 0x8000, Rd_I32, s3_do_and48},
1000 {"andri48.c", 0x040000000001LL, 0x1c0000000003LL, 0x8000, Rd_I32, s3_do_and48},
1001 {"orri48", 0x040000000002LL, 0x1c0000000003LL, 0x8000, Rd_I32, s3_do_or48},
1002 {"orri48.c", 0x040000000003LL, 0x1c0000000003LL, 0x8000, Rd_I32, s3_do_or48},
1003 };
1004
1005 #define s3_SCORE3_PIPELINE 3
1006
1007 static int s3_university_version = 0;
1008 static int s3_vector_size = s3_SCORE3_PIPELINE;
1009 static struct s3_score_it s3_dependency_vector[s3_SCORE3_PIPELINE];
1010
1011 static int s3_score3d = 1;
1012
1013 static int
1014 s3_end_of_line (char *str)
1015 {
1016 int retval = s3_SUCCESS;
1017
1018 s3_skip_whitespace (str);
1019 if (*str != '\0')
1020 {
1021 retval = (int) s3_FAIL;
1022
1023 if (!s3_inst.error)
1024 s3_inst.error = s3_BAD_GARBAGE;
1025 }
1026
1027 return retval;
1028 }
1029
1030 static int
1031 s3_score_reg_parse (char **ccp, struct hash_control *htab)
1032 {
1033 char *start = *ccp;
1034 char c;
1035 char *p;
1036 struct s3_reg_entry *reg;
1037
1038 p = start;
1039 if (!ISALPHA (*p) || !is_name_beginner (*p))
1040 return (int) s3_FAIL;
1041
1042 c = *p++;
1043
1044 while (ISALPHA (c) || ISDIGIT (c) || c == '_')
1045 c = *p++;
1046
1047 *--p = 0;
1048 reg = (struct s3_reg_entry *) hash_find (htab, start);
1049 *p = c;
1050
1051 if (reg)
1052 {
1053 *ccp = p;
1054 return reg->number;
1055 }
1056 return (int) s3_FAIL;
1057 }
1058
1059 /* If shift <= 0, only return reg. */
1060
1061 static int
1062 s3_reg_required_here (char **str, int shift, enum s3_score_reg_type reg_type)
1063 {
1064 static char buff[s3_MAX_LITERAL_POOL_SIZE];
1065 int reg = (int) s3_FAIL;
1066 char *start = *str;
1067
1068 if ((reg = s3_score_reg_parse (str, s3_all_reg_maps[reg_type].htab)) != (int) s3_FAIL)
1069 {
1070 if (reg_type == s3_REG_TYPE_SCORE)
1071 {
1072 if ((reg == 1) && (s3_nor1 == 1) && (s3_inst.bwarn == 0))
1073 {
1074 as_warn (_("Using temp register(r1)"));
1075 s3_inst.bwarn = 1;
1076 }
1077 }
1078 if (shift >= 0)
1079 {
1080 if (reg_type == s3_REG_TYPE_SCORE_CR)
1081 strcpy (s3_inst.reg, s3_score_crn_table[reg].name);
1082 else if (reg_type == s3_REG_TYPE_SCORE_SR)
1083 strcpy (s3_inst.reg, s3_score_srn_table[reg].name);
1084 else
1085 strcpy (s3_inst.reg, "");
1086
1087 s3_inst.instruction |= (bfd_vma) reg << shift;
1088 }
1089 }
1090 else
1091 {
1092 *str = start;
1093 sprintf (buff, _("register expected, not '%.100s'"), start);
1094 s3_inst.error = buff;
1095 }
1096
1097 return reg;
1098 }
1099
1100 static int
1101 s3_skip_past_comma (char **str)
1102 {
1103 char *p = *str;
1104 char c;
1105 int comma = 0;
1106
1107 while ((c = *p) == ' ' || c == ',')
1108 {
1109 p++;
1110 if (c == ',' && comma++)
1111 {
1112 s3_inst.error = s3_BAD_SKIP_COMMA;
1113 return (int) s3_FAIL;
1114 }
1115 }
1116
1117 if ((c == '\0') || (comma == 0))
1118 {
1119 s3_inst.error = s3_BAD_SKIP_COMMA;
1120 return (int) s3_FAIL;
1121 }
1122
1123 *str = p;
1124 return comma ? s3_SUCCESS : (int) s3_FAIL;
1125 }
1126
1127 static void
1128 s3_do_rdrsrs (char *str)
1129 {
1130 int reg;
1131 s3_skip_whitespace (str);
1132
1133 if ((reg = s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE)) == (int) s3_FAIL
1134 || s3_skip_past_comma (&str) == (int) s3_FAIL
1135 || s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL
1136 || s3_skip_past_comma (&str) == (int) s3_FAIL
1137 || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE) == (int) s3_FAIL
1138 || s3_end_of_line (str) == (int) s3_FAIL)
1139 {
1140 return;
1141 }
1142 else
1143 {
1144 /* Check mulr, mulur rd is even number. */
1145 if (((s3_inst.instruction & 0x3e0003ff) == 0x00000340
1146 || (s3_inst.instruction & 0x3e0003ff) == 0x00000342)
1147 && (reg % 2))
1148 {
1149 s3_inst.error = _("rd must be even number.");
1150 return;
1151 }
1152
1153 if ((((s3_inst.instruction >> 15) & 0x10) == 0)
1154 && (((s3_inst.instruction >> 10) & 0x10) == 0)
1155 && (((s3_inst.instruction >> 20) & 0x10) == 0)
1156 && (s3_inst.relax_inst != 0x8000)
1157 && (((s3_inst.instruction >> 20) & 0xf) == ((s3_inst.instruction >> 15) & 0xf)))
1158 {
1159 s3_inst.relax_inst |= (((s3_inst.instruction >> 10) & 0xf) )
1160 | (((s3_inst.instruction >> 15) & 0xf) << 4);
1161 s3_inst.relax_size = 2;
1162 }
1163 else
1164 {
1165 s3_inst.relax_inst = 0x8000;
1166 }
1167 }
1168 }
1169
1170 static int
1171 s3_walk_no_bignums (symbolS * sp)
1172 {
1173 if (symbol_get_value_expression (sp)->X_op == O_big)
1174 return 1;
1175
1176 if (symbol_get_value_expression (sp)->X_add_symbol)
1177 return (s3_walk_no_bignums (symbol_get_value_expression (sp)->X_add_symbol)
1178 || (symbol_get_value_expression (sp)->X_op_symbol
1179 && s3_walk_no_bignums (symbol_get_value_expression (sp)->X_op_symbol)));
1180
1181 return 0;
1182 }
1183
1184 static int
1185 s3_my_get_expression (expressionS * ep, char **str)
1186 {
1187 char *save_in;
1188
1189 save_in = input_line_pointer;
1190 input_line_pointer = *str;
1191 s3_in_my_get_expression = 1;
1192 (void) expression (ep);
1193 s3_in_my_get_expression = 0;
1194
1195 if (ep->X_op == O_illegal)
1196 {
1197 *str = input_line_pointer;
1198 input_line_pointer = save_in;
1199 s3_inst.error = _("illegal expression");
1200 return (int) s3_FAIL;
1201 }
1202 /* Get rid of any bignums now, so that we don't generate an error for which
1203 we can't establish a line number later on. Big numbers are never valid
1204 in instructions, which is where this routine is always called. */
1205 if (ep->X_op == O_big
1206 || (ep->X_add_symbol
1207 && (s3_walk_no_bignums (ep->X_add_symbol)
1208 || (ep->X_op_symbol && s3_walk_no_bignums (ep->X_op_symbol)))))
1209 {
1210 s3_inst.error = _("invalid constant");
1211 *str = input_line_pointer;
1212 input_line_pointer = save_in;
1213 return (int) s3_FAIL;
1214 }
1215
1216 if ((ep->X_add_symbol != NULL)
1217 && (s3_inst.type != PC_DISP19div2)
1218 && (s3_inst.type != PC_DISP8div2)
1219 && (s3_inst.type != PC_DISP24div2)
1220 && (s3_inst.type != PC_DISP11div2)
1221 && (s3_inst.type != Insn_Type_SYN)
1222 && (s3_inst.type != Rd_rvalueRs_SI15)
1223 && (s3_inst.type != Rd_lvalueRs_SI15)
1224 && (s3_inst.type != Insn_internal)
1225 && (s3_inst.type != Rd_I30)
1226 && (s3_inst.type != Rd_I32)
1227 && (s3_inst.type != Insn_BCMP))
1228 {
1229 s3_inst.error = s3_BAD_ARGS;
1230 *str = input_line_pointer;
1231 input_line_pointer = save_in;
1232 return (int) s3_FAIL;
1233 }
1234
1235 *str = input_line_pointer;
1236 input_line_pointer = save_in;
1237 return s3_SUCCESS;
1238 }
1239
1240 /* Check if an immediate is valid. If so, convert it to the right format. */
1241 static bfd_signed_vma
1242 s3_validate_immediate (bfd_signed_vma val, unsigned int data_type, int hex_p)
1243 {
1244 switch (data_type)
1245 {
1246 case _VALUE_HI16:
1247 {
1248 bfd_signed_vma val_hi = ((val & 0xffff0000) >> 16);
1249
1250 if (s3_score_df_range[data_type].range[0] <= val_hi
1251 && val_hi <= s3_score_df_range[data_type].range[1])
1252 return val_hi;
1253 }
1254 break;
1255
1256 case _VALUE_LO16:
1257 {
1258 bfd_signed_vma val_lo = (val & 0xffff);
1259
1260 if (s3_score_df_range[data_type].range[0] <= val_lo
1261 && val_lo <= s3_score_df_range[data_type].range[1])
1262 return val_lo;
1263 }
1264 break;
1265
1266 case _SIMM14:
1267 if (hex_p == 1)
1268 {
1269 if (!(val >= -0x2000 && val <= 0x3fff))
1270 {
1271 return (int) s3_FAIL;
1272 }
1273 }
1274 else
1275 {
1276 if (!(val >= -8192 && val <= 8191))
1277 {
1278 return (int) s3_FAIL;
1279 }
1280 }
1281
1282 return val;
1283 break;
1284
1285 case _SIMM16_NEG:
1286 if (hex_p == 1)
1287 {
1288 if (!(val >= -0x7fff && val <= 0xffff && val != 0x8000))
1289 {
1290 return (int) s3_FAIL;
1291 }
1292 }
1293 else
1294 {
1295 if (!(val >= -32767 && val <= 32768))
1296 {
1297 return (int) s3_FAIL;
1298 }
1299 }
1300
1301 val = -val;
1302 return val;
1303 break;
1304
1305 case _IMM5_MULTI_LOAD:
1306 if (val >= 2 && val <= 32)
1307 {
1308 if (val == 32)
1309 val = 0;
1310 return val;
1311 }
1312 return (int) s3_FAIL;
1313
1314 case _IMM32:
1315 if (val >= 0 && val <= 0xffffffff)
1316 {
1317 return val;
1318 }
1319 else
1320 {
1321 return (int) s3_FAIL;
1322 }
1323
1324 default:
1325 if (data_type == _SIMM14_NEG || data_type == _IMM16_NEG)
1326 val = -val;
1327
1328 if (s3_score_df_range[data_type].range[0] <= val
1329 && val <= s3_score_df_range[data_type].range[1])
1330 return val;
1331
1332 break;
1333 }
1334
1335 return (int) s3_FAIL;
1336 }
1337
1338 static int
1339 s3_data_op2 (char **str, int shift, enum score_data_type data_type)
1340 {
1341 bfd_signed_vma value;
1342 char data_exp[s3_MAX_LITERAL_POOL_SIZE];
1343 char *dataptr;
1344 int cnt = 0;
1345 char *pp = NULL;
1346
1347 s3_skip_whitespace (*str);
1348 s3_inst.error = NULL;
1349 dataptr = * str;
1350
1351 /* Set hex_p to zero. */
1352 int hex_p = 0;
1353
1354 while ((*dataptr != '\0') && (*dataptr != '|') && (cnt <= s3_MAX_LITERAL_POOL_SIZE)) /* 0x7c = ='|' */
1355 {
1356 data_exp[cnt] = *dataptr;
1357 dataptr++;
1358 cnt++;
1359 }
1360
1361 data_exp[cnt] = '\0';
1362 pp = (char *)&data_exp;
1363
1364 if (*dataptr == '|') /* process PCE */
1365 {
1366 if (s3_my_get_expression (&s3_inst.reloc.exp, &pp) == (int) s3_FAIL)
1367 return (int) s3_FAIL;
1368 s3_end_of_line (pp);
1369 if (s3_inst.error != 0)
1370 return (int) s3_FAIL; /* to ouptut_inst to printf out the error */
1371 *str = dataptr;
1372 }
1373 else /* process 16 bit */
1374 {
1375 if (s3_my_get_expression (&s3_inst.reloc.exp, str) == (int) s3_FAIL)
1376 {
1377 return (int) s3_FAIL;
1378 }
1379
1380 dataptr = (char *)data_exp;
1381 for (; *dataptr != '\0'; dataptr++)
1382 {
1383 *dataptr = TOLOWER (*dataptr);
1384 if (*dataptr == '!' || *dataptr == ' ')
1385 break;
1386 }
1387 dataptr = (char *)data_exp;
1388
1389 if ((dataptr != NULL)
1390 && (((strstr (dataptr, "0x")) != NULL)
1391 || ((strstr (dataptr, "0X")) != NULL)))
1392 {
1393 hex_p = 1;
1394 if ((data_type != _SIMM16_LA)
1395 && (data_type != _VALUE_HI16)
1396 && (data_type != _VALUE_LO16)
1397 && (data_type != _IMM16)
1398 && (data_type != _IMM15)
1399 && (data_type != _IMM14)
1400 && (data_type != _IMM4)
1401 && (data_type != _IMM5)
1402 && (data_type != _IMM5_MULTI_LOAD)
1403 && (data_type != _IMM11)
1404 && (data_type != _IMM8)
1405 && (data_type != _IMM5_RSHIFT_1)
1406 && (data_type != _IMM5_RSHIFT_2)
1407 && (data_type != _SIMM14)
1408 && (data_type != _SIMM14_NEG)
1409 && (data_type != _SIMM16_NEG)
1410 && (data_type != _IMM10_RSHIFT_2)
1411 && (data_type != _GP_IMM15)
1412 && (data_type != _SIMM5)
1413 && (data_type != _SIMM6)
1414 && (data_type != _IMM32)
1415 && (data_type != _SIMM32))
1416 {
1417 data_type += 24;
1418 }
1419 }
1420
1421 if ((s3_inst.reloc.exp.X_add_number == 0)
1422 && (s3_inst.type != Insn_Type_SYN)
1423 && (s3_inst.type != Rd_rvalueRs_SI15)
1424 && (s3_inst.type != Rd_lvalueRs_SI15)
1425 && (s3_inst.type != Insn_internal)
1426 && (((*dataptr >= 'a') && (*dataptr <= 'z'))
1427 || ((*dataptr == '0') && (*(dataptr + 1) == 'x') && (*(dataptr + 2) != '0'))
1428 || ((*dataptr == '+') && (*(dataptr + 1) != '0'))
1429 || ((*dataptr == '-') && (*(dataptr + 1) != '0'))))
1430 {
1431 s3_inst.error = s3_BAD_ARGS;
1432 return (int) s3_FAIL;
1433 }
1434 }
1435
1436 if ((s3_inst.reloc.exp.X_add_symbol)
1437 && ((data_type == _SIMM16)
1438 || (data_type == _SIMM16_NEG)
1439 || (data_type == _IMM16_NEG)
1440 || (data_type == _SIMM14)
1441 || (data_type == _SIMM14_NEG)
1442 || (data_type == _IMM5)
1443 || (data_type == _IMM5_MULTI_LOAD)
1444 || (data_type == _IMM11)
1445 || (data_type == _IMM14)
1446 || (data_type == _IMM20)
1447 || (data_type == _IMM16)
1448 || (data_type == _IMM15)
1449 || (data_type == _IMM4)))
1450 {
1451 s3_inst.error = s3_BAD_ARGS;
1452 return (int) s3_FAIL;
1453 }
1454
1455 if (s3_inst.reloc.exp.X_add_symbol)
1456 {
1457 switch (data_type)
1458 {
1459 case _SIMM16_LA:
1460 return (int) s3_FAIL;
1461 case _VALUE_HI16:
1462 s3_inst.reloc.type = BFD_RELOC_HI16_S;
1463 s3_inst.reloc.pc_rel = 0;
1464 break;
1465 case _VALUE_LO16:
1466 s3_inst.reloc.type = BFD_RELOC_LO16;
1467 s3_inst.reloc.pc_rel = 0;
1468 break;
1469 case _GP_IMM15:
1470 s3_inst.reloc.type = BFD_RELOC_SCORE_GPREL15;
1471 s3_inst.reloc.pc_rel = 0;
1472 break;
1473 case _SIMM16_pic:
1474 case _IMM16_LO16_pic:
1475 s3_inst.reloc.type = BFD_RELOC_SCORE_GOT_LO16;
1476 s3_inst.reloc.pc_rel = 0;
1477 break;
1478 default:
1479 s3_inst.reloc.type = BFD_RELOC_32;
1480 s3_inst.reloc.pc_rel = 0;
1481 break;
1482 }
1483 }
1484 else
1485 {
1486 if (data_type == _IMM16_pic)
1487 {
1488 s3_inst.reloc.type = BFD_RELOC_SCORE_DUMMY_HI16;
1489 s3_inst.reloc.pc_rel = 0;
1490 }
1491
1492 if (data_type == _SIMM16_LA && s3_inst.reloc.exp.X_unsigned == 1)
1493 {
1494 value = s3_validate_immediate (s3_inst.reloc.exp.X_add_number, _SIMM16_LA_POS, hex_p);
1495 if (value == (int) s3_FAIL) /* for advance to check if this is ldis */
1496 if ((s3_inst.reloc.exp.X_add_number & 0xffff) == 0)
1497 {
1498 s3_inst.instruction |= 0x8000000;
1499 s3_inst.instruction |= ((s3_inst.reloc.exp.X_add_number >> 16) << 1) & 0x1fffe;
1500 return s3_SUCCESS;
1501 }
1502 }
1503 else
1504 {
1505 value = s3_validate_immediate (s3_inst.reloc.exp.X_add_number, data_type, hex_p);
1506 }
1507
1508 if (value == (int) s3_FAIL)
1509 {
1510 if (data_type == _IMM32)
1511 {
1512 sprintf (s3_err_msg,
1513 _("invalid constant: %d bit expression not in range %u..%u"),
1514 s3_score_df_range[data_type].bits,
1515 0, (unsigned)0xffffffff);
1516 }
1517 else if (data_type == _IMM5_MULTI_LOAD)
1518 {
1519 sprintf (s3_err_msg,
1520 _("invalid constant: %d bit expression not in range %u..%u"),
1521 5, 2, 32);
1522 }
1523 else if ((data_type != _SIMM14_NEG) && (data_type != _SIMM16_NEG) && (data_type != _IMM16_NEG))
1524 {
1525 sprintf (s3_err_msg,
1526 _("invalid constant: %d bit expression not in range %d..%d"),
1527 s3_score_df_range[data_type].bits,
1528 s3_score_df_range[data_type].range[0], s3_score_df_range[data_type].range[1]);
1529 }
1530 else
1531 {
1532 sprintf (s3_err_msg,
1533 _("invalid constant: %d bit expression not in range %d..%d"),
1534 s3_score_df_range[data_type].bits,
1535 -s3_score_df_range[data_type].range[1], -s3_score_df_range[data_type].range[0]);
1536 }
1537
1538 s3_inst.error = s3_err_msg;
1539 return (int) s3_FAIL;
1540 }
1541
1542 if (((s3_score_df_range[data_type].range[0] != 0) || (data_type == _IMM5_RANGE_8_31))
1543 && data_type != _IMM5_MULTI_LOAD)
1544 {
1545 value &= (1 << s3_score_df_range[data_type].bits) - 1;
1546 }
1547
1548 s3_inst.instruction |= value << shift;
1549 }
1550
1551 if ((s3_inst.instruction & 0x3e000000) == 0x30000000)
1552 {
1553 if ((((s3_inst.instruction >> 20) & 0x1F) != 0)
1554 && (((s3_inst.instruction >> 20) & 0x1F) != 1)
1555 && (((s3_inst.instruction >> 20) & 0x1F) != 2)
1556 && (((s3_inst.instruction >> 20) & 0x1F) != 0x10))
1557 {
1558 s3_inst.error = _("invalid constant: bit expression not defined");
1559 return (int) s3_FAIL;
1560 }
1561 }
1562
1563 return s3_SUCCESS;
1564 }
1565
1566 /* Handle addi/addi.c/addis.c/cmpi.c/addis.c/ldi. */
1567 static void
1568 s3_do_rdsi16 (char *str)
1569 {
1570 s3_skip_whitespace (str);
1571
1572 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL
1573 || s3_skip_past_comma (&str) == (int) s3_FAIL
1574 || s3_data_op2 (&str, 1, _SIMM16) == (int) s3_FAIL
1575 || s3_end_of_line (str) == (int) s3_FAIL)
1576 return;
1577
1578 /* ldi.->ldiu! only for imm5 */
1579 if ((s3_inst.instruction & 0x20c0000) == 0x20c0000)
1580 {
1581 if ((s3_inst.instruction & 0x1ffc0) != 0)
1582 {
1583 s3_inst.relax_inst = 0x8000;
1584 }
1585 else
1586 {
1587 s3_inst.relax_inst |= (s3_inst.instruction >> 1) & 0x1f;
1588 s3_inst.relax_inst |= (((s3_inst.instruction >> 20)& 0x1f) <<5);
1589 s3_inst.relax_size = 2;
1590 }
1591 }
1592 /*cmpi.c */
1593 else if ((s3_inst.instruction & 0x02040001) == 0x02040001)
1594 {
1595 /* imm <=0x3f (5 bit<<1)*/
1596 if (((s3_inst.instruction & 0x1ffe0) == 0)
1597 || (((s3_inst.instruction & 0x1ffe0) == 0x1ffe0)
1598 && (s3_inst.instruction & 0x003e) != 0))
1599 {
1600 s3_inst.relax_inst |= (s3_inst.instruction >> 1) & 0x1f;
1601 s3_inst.relax_inst |= (((s3_inst.instruction >> 20) & 0x1f) << 5);
1602 s3_inst.relax_size = 2;
1603 }
1604 else
1605 {
1606 s3_inst.relax_inst =0x8000;
1607
1608 }
1609 }
1610 /* addi */
1611 else if (((s3_inst.instruction & 0x2000000) == 0x02000000) && (s3_inst.relax_inst!=0x8000))
1612 {
1613 /* rd : 0-16 ; imm <=0x7f (6 bit<<1)*/
1614 if ((((s3_inst.instruction >> 20) & 0x10) != 0x10)
1615 && (((s3_inst.instruction & 0x1ffc0) == 0)
1616 || (((s3_inst.instruction & 0x1ffc0) == 0x1ffc0)
1617 && (s3_inst.instruction & 0x007e) != 0)))
1618 {
1619 s3_inst.relax_inst |= (s3_inst.instruction >> 1) & 0x3f;
1620 s3_inst.relax_inst |= (((s3_inst.instruction >> 20) & 0xf) << 6);
1621 s3_inst.relax_size = 2;
1622 }
1623 else
1624 {
1625 s3_inst.relax_inst =0x8000;
1626 }
1627 }
1628
1629 else if (((s3_inst.instruction >> 20) & 0x10) == 0x10)
1630 {
1631 s3_inst.relax_inst = 0x8000;
1632 }
1633 }
1634
1635 static void
1636 s3_do_ldis (char *str)
1637 {
1638 s3_skip_whitespace (str);
1639
1640 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL
1641 || s3_skip_past_comma (&str) == (int) s3_FAIL
1642 || s3_data_op2 (&str, 1, _IMM16) == (int) s3_FAIL
1643 || s3_end_of_line (str) == (int) s3_FAIL)
1644 return;
1645 }
1646
1647 /* Handle subi/subi.c. */
1648 static void
1649 s3_do_sub_rdsi16 (char *str)
1650 {
1651 s3_skip_whitespace (str);
1652
1653 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1654 && s3_skip_past_comma (&str) != (int) s3_FAIL
1655 && s3_data_op2 (&str, 1, _SIMM16_NEG) != (int) s3_FAIL)
1656 s3_end_of_line (str);
1657 }
1658
1659 /* Handle subis/subis.c. */
1660 static void
1661 s3_do_sub_rdi16 (char *str)
1662 {
1663 s3_skip_whitespace (str);
1664
1665 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1666 && s3_skip_past_comma (&str) != (int) s3_FAIL
1667 && s3_data_op2 (&str, 1, _IMM16_NEG) != (int) s3_FAIL)
1668 s3_end_of_line (str);
1669 }
1670
1671 /* Handle addri/addri.c. */
1672 static void
1673 s3_do_rdrssi14 (char *str) /* -(2^13)~((2^13)-1) */
1674 {
1675 s3_skip_whitespace (str);
1676
1677 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1678 && s3_skip_past_comma (&str) != (int) s3_FAIL
1679 && s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1680 && s3_skip_past_comma (&str) != (int) s3_FAIL)
1681 s3_data_op2 (&str, 1, _SIMM14);
1682 }
1683
1684 /* Handle subri.c/subri. */
1685 static void
1686 s3_do_sub_rdrssi14 (char *str) /* -(2^13)~((2^13)-1) */
1687 {
1688 s3_skip_whitespace (str);
1689
1690 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1691 && s3_skip_past_comma (&str) != (int) s3_FAIL
1692 && s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1693 && s3_skip_past_comma (&str) != (int) s3_FAIL
1694 && s3_data_op2 (&str, 1, _SIMM14_NEG) != (int) s3_FAIL)
1695 s3_end_of_line (str);
1696 }
1697
1698 /* Handle bitclr.c/bitset.c/bittgl.c/slli.c/srai.c/srli.c/roli.c/rori.c/rolic.c.
1699 0~((2^14)-1) */
1700 static void
1701 s3_do_rdrsi5 (char *str)
1702 {
1703 s3_skip_whitespace (str);
1704
1705 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL
1706 || s3_skip_past_comma (&str) == (int) s3_FAIL
1707 || s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL
1708 || s3_skip_past_comma (&str) == (int) s3_FAIL
1709 || s3_data_op2 (&str, 10, _IMM5) == (int) s3_FAIL
1710 || s3_end_of_line (str) == (int) s3_FAIL)
1711 return;
1712
1713 if ((((s3_inst.instruction >> 20) & 0x1f) == ((s3_inst.instruction >> 15) & 0x1f))
1714 && (s3_inst.relax_inst != 0x8000) && (((s3_inst.instruction >> 15) & 0x10) == 0))
1715 {
1716 s3_inst.relax_inst |= (((s3_inst.instruction >> 10) & 0x1f) ) | (((s3_inst.instruction >> 15) & 0xf) << 5);
1717 s3_inst.relax_size = 2;
1718 }
1719 else
1720 s3_inst.relax_inst = 0x8000;
1721 }
1722
1723 /* Handle andri/orri/andri.c/orri.c.
1724 0 ~ ((2^14)-1) */
1725 static void
1726 s3_do_rdrsi14 (char *str)
1727 {
1728 s3_skip_whitespace (str);
1729
1730 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1731 && s3_skip_past_comma (&str) != (int) s3_FAIL
1732 && s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1733 && s3_skip_past_comma (&str) != (int) s3_FAIL
1734 && s3_data_op2 (&str, 1, _IMM14) != (int) s3_FAIL)
1735 s3_end_of_line (str);
1736 }
1737
1738 /* Handle bittst.c. */
1739 static void
1740 s3_do_xrsi5 (char *str)
1741 {
1742 s3_skip_whitespace (str);
1743
1744 if (s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL
1745 || s3_skip_past_comma (&str) == (int) s3_FAIL
1746 || s3_data_op2 (&str, 10, _IMM5) == (int) s3_FAIL
1747 || s3_end_of_line (str) == (int) s3_FAIL)
1748 return;
1749
1750 if ((s3_inst.relax_inst != 0x8000) && (((s3_inst.instruction >> 15) & 0x10) == 0))
1751 {
1752 s3_inst.relax_inst |= ((s3_inst.instruction >> 10) & 0x1f) | (((s3_inst.instruction >> 15) & 0xf) << 5);
1753 s3_inst.relax_size = 2;
1754 }
1755 else
1756 s3_inst.relax_inst = 0x8000;
1757 }
1758
1759 /* Handle addis/andi/ori/andis/oris/ldis. */
1760 static void
1761 s3_do_rdi16 (char *str)
1762 {
1763 s3_skip_whitespace (str);
1764
1765 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL
1766 || s3_skip_past_comma (&str) == (int) s3_FAIL
1767 || s3_data_op2 (&str, 1, _IMM16) == (int) s3_FAIL
1768 || s3_end_of_line (str) == (int) s3_FAIL)
1769 return;
1770
1771 /* ldis */
1772 if ((s3_inst.instruction & 0x3e0e0000) == 0x0a0c0000)
1773 {
1774 /* rd : 0-16 ;imm =0 -> can transform to addi!*/
1775 if ((((s3_inst.instruction >> 20) & 0x10) != 0x10) && ((s3_inst.instruction & 0x1ffff)==0))
1776 {
1777 s3_inst.relax_inst =0x5400; /* ldiu! */
1778 s3_inst.relax_inst |= (s3_inst.instruction >> 1) & 0x1f;
1779 s3_inst.relax_inst |= (((s3_inst.instruction >> 20) & 0xf) << 5);
1780 s3_inst.relax_size = 2;
1781 }
1782 else
1783 {
1784 s3_inst.relax_inst =0x8000;
1785
1786 }
1787 }
1788
1789 /* addis */
1790 else if ((s3_inst.instruction & 0x3e0e0001) == 0x0a000000)
1791 {
1792 /* rd : 0-16 ;imm =0 -> can transform to addi!*/
1793 if ((((s3_inst.instruction >> 20) & 0x10) != 0x10) && ((s3_inst.instruction & 0x1ffff)==0))
1794 {
1795 s3_inst.relax_inst =0x5c00; /* addi! */
1796 s3_inst.relax_inst |= (s3_inst.instruction >> 1) & 0x3f;
1797 s3_inst.relax_inst |= (((s3_inst.instruction >> 20) & 0xf) << 6);
1798 s3_inst.relax_size = 2;
1799 }
1800 else
1801 {
1802 s3_inst.relax_inst =0x8000;
1803
1804 }
1805 }
1806 }
1807
1808 static void
1809 s3_do_macro_rdi32hi (char *str)
1810 {
1811 s3_skip_whitespace (str);
1812
1813 /* Do not handle s3_end_of_line(). */
1814 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1815 && s3_skip_past_comma (&str) != (int) s3_FAIL)
1816 s3_data_op2 (&str, 1, _VALUE_HI16);
1817 }
1818
1819 static void
1820 s3_do_macro_rdi32lo (char *str)
1821 {
1822 s3_skip_whitespace (str);
1823
1824 /* Do not handle s3_end_of_line(). */
1825 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1826 && s3_skip_past_comma (&str) != (int) s3_FAIL)
1827 s3_data_op2 (&str, 1, _VALUE_LO16);
1828 }
1829
1830 /* Handle ldis_pic. */
1831 static void
1832 s3_do_rdi16_pic (char *str)
1833 {
1834 s3_skip_whitespace (str);
1835
1836 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1837 && s3_skip_past_comma (&str) != (int) s3_FAIL
1838 && s3_data_op2 (&str, 1, _IMM16_pic) != (int) s3_FAIL)
1839 s3_end_of_line (str);
1840 }
1841
1842 /* Handle addi_s_pic to generate R_SCORE_GOT_LO16 . */
1843 static void
1844 s3_do_addi_s_pic (char *str)
1845 {
1846 s3_skip_whitespace (str);
1847
1848 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1849 && s3_skip_past_comma (&str) != (int) s3_FAIL
1850 && s3_data_op2 (&str, 1, _SIMM16_pic) != (int) s3_FAIL)
1851 s3_end_of_line (str);
1852 }
1853
1854 /* Handle addi_u_pic to generate R_SCORE_GOT_LO16 . */
1855 static void
1856 s3_do_addi_u_pic (char *str)
1857 {
1858 s3_skip_whitespace (str);
1859
1860 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1861 && s3_skip_past_comma (&str) != (int) s3_FAIL
1862 && s3_data_op2 (&str, 1, _IMM16_LO16_pic) != (int) s3_FAIL)
1863 s3_end_of_line (str);
1864 }
1865
1866 /* Handle mfceh/mfcel/mtceh/mtchl. */
1867 static void
1868 s3_do_rd (char *str)
1869 {
1870 s3_skip_whitespace (str);
1871
1872 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL)
1873 s3_end_of_line (str);
1874 }
1875
1876 /* Handle br{cond},cmpzteq.c ,cmpztmi.c ,cmpz.c */
1877 static void
1878 s3_do_rs (char *str)
1879 {
1880 s3_skip_whitespace (str);
1881
1882 if (s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL
1883 || s3_end_of_line (str) == (int) s3_FAIL)
1884 return;
1885
1886 if ((s3_inst.relax_inst != 0x8000) )
1887 {
1888 s3_inst.relax_inst |= ((s3_inst.instruction >> 15) &0x1f);
1889 s3_inst.relax_size = 2;
1890 }
1891 else
1892 s3_inst.relax_inst = 0x8000;
1893 }
1894
1895 static void
1896 s3_do_i15 (char *str)
1897 {
1898 s3_skip_whitespace (str);
1899
1900 if (s3_data_op2 (&str, 10, _IMM15) != (int) s3_FAIL)
1901 s3_end_of_line (str);
1902 }
1903
1904 static void
1905 s3_do_xi5x (char *str)
1906 {
1907 s3_skip_whitespace (str);
1908
1909 if (s3_data_op2 (&str, 15, _IMM5) == (int) s3_FAIL || s3_end_of_line (str) == (int) s3_FAIL)
1910 return;
1911
1912 if (s3_inst.relax_inst != 0x8000)
1913 {
1914 s3_inst.relax_inst |= ((s3_inst.instruction >> 15) & 0x1f);
1915 s3_inst.relax_size = 2;
1916 }
1917 }
1918
1919 static void
1920 s3_do_rdrs (char *str)
1921 {
1922 s3_skip_whitespace (str);
1923
1924 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL
1925 || s3_skip_past_comma (&str) == (int) s3_FAIL
1926 || s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL
1927 || s3_end_of_line (str) == (int) s3_FAIL)
1928 return;
1929
1930 if (s3_inst.relax_inst != 0x8000)
1931 {
1932 if (((s3_inst.instruction & 0x7f) == 0x56)) /* adjust mv -> mv!*/
1933 {
1934 /* mv! rd : 5bit , ra : 5bit */
1935 s3_inst.relax_inst |= ((s3_inst.instruction >> 15) & 0x1f) | (((s3_inst.instruction >> 20) & 0x1f) << 5);
1936 s3_inst.relax_size = 2;
1937 }
1938 else if ((((s3_inst.instruction >> 15) & 0x10) == 0x0) && (((s3_inst.instruction >> 20) & 0x10) == 0))
1939 {
1940 s3_inst.relax_inst |= (((s3_inst.instruction >> 15) & 0xf) << 4)
1941 | (((s3_inst.instruction >> 20) & 0xf) << 8);
1942 s3_inst.relax_size = 2;
1943 }
1944 else
1945 {
1946 s3_inst.relax_inst = 0x8000;
1947 }
1948 }
1949 }
1950
1951 /* Handle mfcr/mtcr. */
1952 static void
1953 s3_do_rdcrs (char *str)
1954 {
1955 s3_skip_whitespace (str);
1956
1957 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1958 && s3_skip_past_comma (&str) != (int) s3_FAIL
1959 && s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE_CR) != (int) s3_FAIL)
1960 s3_end_of_line (str);
1961 }
1962
1963 /* Handle mfsr/mtsr. */
1964 static void
1965 s3_do_rdsrs (char *str)
1966 {
1967 s3_skip_whitespace (str);
1968
1969 /* mfsr */
1970 if ((s3_inst.instruction & 0xff) == 0x50)
1971 {
1972 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1973 && s3_skip_past_comma (&str) != (int) s3_FAIL
1974 && s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE_SR) != (int) s3_FAIL)
1975 s3_end_of_line (str);
1976 }
1977 else
1978 {
1979 if (s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1980 && s3_skip_past_comma (&str) != (int) s3_FAIL)
1981 s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE_SR);
1982 }
1983 }
1984
1985 /* Handle neg. */
1986 static void
1987 s3_do_rdxrs (char *str)
1988 {
1989 s3_skip_whitespace (str);
1990
1991 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL
1992 || s3_skip_past_comma (&str) == (int) s3_FAIL
1993 || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE) == (int) s3_FAIL
1994 || s3_end_of_line (str) == (int) s3_FAIL)
1995 return;
1996
1997 if ((s3_inst.relax_inst != 0x8000) && (((s3_inst.instruction >> 10) & 0x10) == 0)
1998 && (((s3_inst.instruction >> 20) & 0x10) == 0))
1999 {
2000 s3_inst.relax_inst |= (((s3_inst.instruction >> 10) & 0xf) << 4) | (((s3_inst.instruction >> 20) & 0xf) << 8);
2001 s3_inst.relax_size = 2;
2002 }
2003 else
2004 s3_inst.relax_inst = 0x8000;
2005 }
2006
2007 /* Handle cmp.c/cmp<cond>. */
2008 static void
2009 s3_do_rsrs (char *str)
2010 {
2011 s3_skip_whitespace (str);
2012
2013 if (s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL
2014 || s3_skip_past_comma (&str) == (int) s3_FAIL
2015 || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE) == (int) s3_FAIL
2016 || s3_end_of_line (str) == (int) s3_FAIL)
2017 return;
2018
2019 if ((s3_inst.relax_inst != 0x8000) && (((s3_inst.instruction >> 20) & 0x1f) == 3) )
2020 {
2021 s3_inst.relax_inst |= (((s3_inst.instruction >> 10) & 0x1f)) | (((s3_inst.instruction >> 15) & 0x1f) << 5);
2022 s3_inst.relax_size = 2;
2023 }
2024 else
2025 s3_inst.relax_inst = 0x8000;
2026 }
2027
2028 static void
2029 s3_do_ceinst (char *str)
2030 {
2031 char *strbak;
2032
2033 strbak = str;
2034 s3_skip_whitespace (str);
2035
2036 if (s3_data_op2 (&str, 20, _IMM5) == (int) s3_FAIL
2037 || s3_skip_past_comma (&str) == (int) s3_FAIL
2038 || s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL
2039 || s3_skip_past_comma (&str) == (int) s3_FAIL
2040 || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE) == (int) s3_FAIL
2041 || s3_skip_past_comma (&str) == (int) s3_FAIL
2042 || s3_data_op2 (&str, 5, _IMM5) == (int) s3_FAIL
2043 || s3_skip_past_comma (&str) == (int) s3_FAIL
2044 || s3_data_op2 (&str, 0, _IMM5) == (int) s3_FAIL
2045 || s3_end_of_line (str) == (int) s3_FAIL)
2046 {
2047 return;
2048 }
2049 else
2050 {
2051 str = strbak;
2052 if (s3_data_op2 (&str, 0, _IMM25) == (int) s3_FAIL)
2053 return;
2054 }
2055 }
2056
2057 static int
2058 s3_reglow_required_here (char **str, int shift)
2059 {
2060 static char buff[s3_MAX_LITERAL_POOL_SIZE];
2061 int reg;
2062 char *start = *str;
2063
2064 if ((reg = s3_score_reg_parse (str, s3_all_reg_maps[s3_REG_TYPE_SCORE].htab)) != (int) s3_FAIL)
2065 {
2066 if ((reg == 1) && (s3_nor1 == 1) && (s3_inst.bwarn == 0))
2067 {
2068 as_warn (_("Using temp register(r1)"));
2069 s3_inst.bwarn = 1;
2070 }
2071 if (reg < 16)
2072 {
2073 if (shift >= 0)
2074 s3_inst.instruction |= (bfd_vma) reg << shift;
2075
2076 return reg;
2077 }
2078 }
2079
2080 /* Restore the start point, we may have got a reg of the wrong class. */
2081 *str = start;
2082 sprintf (buff, _("low register(r0-r15)expected, not '%.100s'"), start);
2083 s3_inst.error = buff;
2084 return (int) s3_FAIL;
2085 }
2086
2087 /* Handle add!/and!/or!/sub!. */
2088 static void
2089 s3_do16_rdrs2 (char *str)
2090 {
2091 s3_skip_whitespace (str);
2092
2093 if (s3_reglow_required_here (&str, 4) == (int) s3_FAIL
2094 || s3_skip_past_comma (&str) == (int) s3_FAIL
2095 || s3_reglow_required_here (&str, 0) == (int) s3_FAIL
2096 || s3_end_of_line (str) == (int) s3_FAIL)
2097 {
2098 return;
2099 }
2100 }
2101
2102 /* Handle br!/brl!. */
2103 static void
2104 s3_do16_br (char *str)
2105 {
2106 s3_skip_whitespace (str);
2107
2108 if (s3_reg_required_here (&str, 0, s3_REG_TYPE_SCORE) == (int) s3_FAIL
2109 || s3_end_of_line (str) == (int) s3_FAIL)
2110 {
2111 return;
2112 }
2113 }
2114
2115 /* Handle brr!. */
2116 static void
2117 s3_do16_brr (char *str)
2118 {
2119 int rd = 0;
2120
2121 s3_skip_whitespace (str);
2122
2123 if ((rd = s3_reg_required_here (&str, 0,s3_REG_TYPE_SCORE)) == (int) s3_FAIL
2124 || s3_end_of_line (str) == (int) s3_FAIL)
2125 {
2126 return;
2127 }
2128 }
2129
2130 /*Handle ltbw / ltbh / ltbb */
2131 static void
2132 s3_do_ltb (char *str)
2133 {
2134 s3_skip_whitespace (str);
2135 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL
2136 || s3_skip_past_comma (&str) == (int) s3_FAIL)
2137 {
2138 return;
2139 }
2140
2141 s3_skip_whitespace (str);
2142 if (*str++ != '[')
2143 {
2144 s3_inst.error = _("missing [");
2145 return;
2146 }
2147
2148 if (s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL
2149 || s3_skip_past_comma (&str) == (int) s3_FAIL
2150 || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE) == (int) s3_FAIL)
2151 {
2152 return;
2153 }
2154
2155 s3_skip_whitespace (str);
2156 if (*str++ != ']')
2157 {
2158 s3_inst.error = _("missing ]");
2159 return;
2160 }
2161 }
2162
2163 /* We need to be able to fix up arbitrary expressions in some statements.
2164 This is so that we can handle symbols that are an arbitrary distance from
2165 the pc. The most common cases are of the form ((+/-sym -/+ . - 8) & mask),
2166 which returns part of an address in a form which will be valid for
2167 a data instruction. We do this by pushing the expression into a symbol
2168 in the expr_section, and creating a fix for that. */
2169 static fixS *
2170 s3_fix_new_score (fragS * frag, int where, short int size, expressionS * exp, int pc_rel, int reloc)
2171 {
2172 fixS *new_fix;
2173
2174 switch (exp->X_op)
2175 {
2176 case O_constant:
2177 case O_symbol:
2178 case O_add:
2179 case O_subtract:
2180 new_fix = fix_new_exp (frag, where, size, exp, pc_rel, reloc);
2181 break;
2182 default:
2183 new_fix = fix_new (frag, where, size, make_expr_symbol (exp), 0, pc_rel, reloc);
2184 break;
2185 }
2186 return new_fix;
2187 }
2188
2189 static void
2190 s3_init_dependency_vector (void)
2191 {
2192 int i;
2193
2194 for (i = 0; i < s3_vector_size; i++)
2195 memset (&s3_dependency_vector[i], '\0', sizeof (s3_dependency_vector[i]));
2196
2197 return;
2198 }
2199
2200 static enum s3_insn_type_for_dependency
2201 s3_dependency_type_from_insn (char *insn_name)
2202 {
2203 char name[s3_INSN_NAME_LEN];
2204 const struct s3_insn_to_dependency *tmp;
2205
2206 strcpy (name, insn_name);
2207 tmp = (const struct s3_insn_to_dependency *) hash_find (s3_dependency_insn_hsh, name);
2208
2209 if (tmp)
2210 return tmp->type;
2211
2212 return s3_D_all_insn;
2213 }
2214
2215 static int
2216 s3_check_dependency (char *pre_insn, char *pre_reg,
2217 char *cur_insn, char *cur_reg, int *warn_or_error)
2218 {
2219 int bubbles = 0;
2220 unsigned int i;
2221 enum s3_insn_type_for_dependency pre_insn_type;
2222 enum s3_insn_type_for_dependency cur_insn_type;
2223
2224 pre_insn_type = s3_dependency_type_from_insn (pre_insn);
2225 cur_insn_type = s3_dependency_type_from_insn (cur_insn);
2226
2227 for (i = 0; i < sizeof (s3_data_dependency_table) / sizeof (s3_data_dependency_table[0]); i++)
2228 {
2229 if ((pre_insn_type == s3_data_dependency_table[i].pre_insn_type)
2230 && (s3_D_all_insn == s3_data_dependency_table[i].cur_insn_type
2231 || cur_insn_type == s3_data_dependency_table[i].cur_insn_type)
2232 && (strcmp (s3_data_dependency_table[i].pre_reg, "") == 0
2233 || strcmp (s3_data_dependency_table[i].pre_reg, pre_reg) == 0)
2234 && (strcmp (s3_data_dependency_table[i].cur_reg, "") == 0
2235 || strcmp (s3_data_dependency_table[i].cur_reg, cur_reg) == 0))
2236 {
2237 bubbles = s3_data_dependency_table[i].bubblenum_3;
2238 *warn_or_error = s3_data_dependency_table[i].warn_or_error;
2239 break;
2240 }
2241 }
2242
2243 return bubbles;
2244 }
2245
2246 static void
2247 s3_build_one_frag (struct s3_score_it one_inst)
2248 {
2249 char *p;
2250 int relaxable_p = s3_g_opt;
2251 int relax_size = 0;
2252
2253 /* Start a new frag if frag_now is not empty. */
2254 if (frag_now_fix () != 0)
2255 {
2256 if (!frag_now->tc_frag_data.is_insn)
2257 frag_wane (frag_now);
2258
2259 frag_new (0);
2260 }
2261 frag_grow (20);
2262
2263 p = frag_more (one_inst.size);
2264 s3_md_number_to_chars (p, one_inst.instruction, one_inst.size);
2265
2266 #ifdef OBJ_ELF
2267 dwarf2_emit_insn (one_inst.size);
2268 #endif
2269
2270 relaxable_p &= (one_inst.relax_size != 0);
2271 relax_size = relaxable_p ? one_inst.relax_size : 0;
2272
2273 p = frag_var (rs_machine_dependent, relax_size + s3_RELAX_PAD_BYTE, 0,
2274 s3_RELAX_ENCODE (one_inst.size, one_inst.relax_size,
2275 one_inst.type, 0, 0, relaxable_p),
2276 NULL, 0, NULL);
2277
2278 if (relaxable_p)
2279 s3_md_number_to_chars (p, one_inst.relax_inst, relax_size);
2280 }
2281
2282 static void
2283 s3_handle_dependency (struct s3_score_it *theinst)
2284 {
2285 int i;
2286 int warn_or_error = 0; /* warn - 0; error - 1 */
2287 int bubbles = 0;
2288 int remainder_bubbles = 0;
2289 char cur_insn[s3_INSN_NAME_LEN];
2290 char pre_insn[s3_INSN_NAME_LEN];
2291 struct s3_score_it nop_inst;
2292 struct s3_score_it pflush_inst;
2293
2294 nop_inst.instruction = 0x0000;
2295 nop_inst.size = 2;
2296 nop_inst.relax_inst = 0x80008000;
2297 nop_inst.relax_size = 4;
2298 nop_inst.type = NO16_OPD;
2299
2300 pflush_inst.instruction = 0x8000800a;
2301 pflush_inst.size = 4;
2302 pflush_inst.relax_inst = 0x8000;
2303 pflush_inst.relax_size = 0;
2304 pflush_inst.type = NO_OPD;
2305
2306 /* pflush will clear all data dependency. */
2307 if (strcmp (theinst->name, "pflush") == 0)
2308 {
2309 s3_init_dependency_vector ();
2310 return;
2311 }
2312
2313 /* Push current instruction to s3_dependency_vector[0]. */
2314 for (i = s3_vector_size - 1; i > 0; i--)
2315 memcpy (&s3_dependency_vector[i], &s3_dependency_vector[i - 1], sizeof (s3_dependency_vector[i]));
2316
2317 memcpy (&s3_dependency_vector[0], theinst, sizeof (s3_dependency_vector[i]));
2318
2319 /* There is no dependency between nop and any instruction. */
2320 if (strcmp (s3_dependency_vector[0].name, "nop") == 0
2321 || strcmp (s3_dependency_vector[0].name, "nop!") == 0)
2322 return;
2323
2324 strcpy (cur_insn, s3_dependency_vector[0].name);
2325
2326 for (i = 1; i < s3_vector_size; i++)
2327 {
2328 /* The element of s3_dependency_vector is NULL. */
2329 if (s3_dependency_vector[i].name[0] == '\0')
2330 continue;
2331
2332 strcpy (pre_insn, s3_dependency_vector[i].name);
2333
2334 bubbles = s3_check_dependency (pre_insn, s3_dependency_vector[i].reg,
2335 cur_insn, s3_dependency_vector[0].reg, &warn_or_error);
2336 remainder_bubbles = bubbles - i + 1;
2337
2338 if (remainder_bubbles > 0)
2339 {
2340 int j;
2341
2342 if (s3_fix_data_dependency == 1)
2343 {
2344 if (remainder_bubbles <= 2)
2345 {
2346 if (s3_warn_fix_data_dependency)
2347 as_warn (_("Fix data dependency: %s %s -- %s %s (insert %d nop!/%d)"),
2348 s3_dependency_vector[i].name, s3_dependency_vector[i].reg,
2349 s3_dependency_vector[0].name, s3_dependency_vector[0].reg,
2350 remainder_bubbles, bubbles);
2351
2352 for (j = (s3_vector_size - 1); (j - remainder_bubbles) > 0; j--)
2353 memcpy (&s3_dependency_vector[j], &s3_dependency_vector[j - remainder_bubbles],
2354 sizeof (s3_dependency_vector[j]));
2355
2356 for (j = 1; j <= remainder_bubbles; j++)
2357 {
2358 memset (&s3_dependency_vector[j], '\0', sizeof (s3_dependency_vector[j]));
2359 /* Insert nop!. */
2360 s3_build_one_frag (nop_inst);
2361 }
2362 }
2363 else
2364 {
2365 if (s3_warn_fix_data_dependency)
2366 as_warn (_("Fix data dependency: %s %s -- %s %s (insert 1 pflush/%d)"),
2367 s3_dependency_vector[i].name, s3_dependency_vector[i].reg,
2368 s3_dependency_vector[0].name, s3_dependency_vector[0].reg,
2369 bubbles);
2370
2371 for (j = 1; j < s3_vector_size; j++)
2372 memset (&s3_dependency_vector[j], '\0', sizeof (s3_dependency_vector[j]));
2373
2374 /* Insert pflush. */
2375 s3_build_one_frag (pflush_inst);
2376 }
2377 }
2378 else
2379 {
2380 if (warn_or_error)
2381 {
2382 as_bad (_("data dependency: %s %s -- %s %s (%d/%d bubble)"),
2383 s3_dependency_vector[i].name, s3_dependency_vector[i].reg,
2384 s3_dependency_vector[0].name, s3_dependency_vector[0].reg,
2385 remainder_bubbles, bubbles);
2386 }
2387 else
2388 {
2389 as_warn (_("data dependency: %s %s -- %s %s (%d/%d bubble)"),
2390 s3_dependency_vector[i].name, s3_dependency_vector[i].reg,
2391 s3_dependency_vector[0].name, s3_dependency_vector[0].reg,
2392 remainder_bubbles, bubbles);
2393 }
2394 }
2395 }
2396 }
2397 }
2398
2399 static enum insn_class
2400 s3_get_insn_class_from_type (enum score_insn_type type)
2401 {
2402 enum insn_class retval = (int) s3_FAIL;
2403
2404 switch (type)
2405 {
2406 case Rd_I4:
2407 case Rd_I5:
2408 case Rd_rvalueBP_I5:
2409 case Rd_lvalueBP_I5:
2410 case Rd_I8:
2411 case PC_DISP8div2:
2412 case PC_DISP11div2:
2413 case Rd_Rs:
2414 case Rd_HighRs:
2415 case Rd_lvalueRs:
2416 case Rd_rvalueRs:
2417 case x_Rs:
2418 case Rd_LowRs:
2419 case NO16_OPD:
2420 case Rd_SI5:
2421 case Rd_SI6:
2422 retval = INSN_CLASS_16;
2423 break;
2424 case Rd_Rs_I5:
2425 case x_Rs_I5:
2426 case x_I5_x:
2427 case Rd_Rs_I14:
2428 case I15:
2429 case Rd_I16:
2430 case Rd_SI16:
2431 case Rd_rvalueRs_SI10:
2432 case Rd_lvalueRs_SI10:
2433 case Rd_rvalueRs_preSI12:
2434 case Rd_rvalueRs_postSI12:
2435 case Rd_lvalueRs_preSI12:
2436 case Rd_lvalueRs_postSI12:
2437 case Rd_Rs_SI14:
2438 case Rd_rvalueRs_SI15:
2439 case Rd_lvalueRs_SI15:
2440 case PC_DISP19div2:
2441 case PC_DISP24div2:
2442 case Rd_Rs_Rs:
2443 case x_Rs_x:
2444 case x_Rs_Rs:
2445 case Rd_Rs_x:
2446 case Rd_x_Rs:
2447 case Rd_x_x:
2448 case OP5_rvalueRs_SI15:
2449 case I5_Rs_Rs_I5_OP5:
2450 case x_rvalueRs_post4:
2451 case Rd_rvalueRs_post4:
2452 case Rd_x_I5:
2453 case Rd_lvalueRs_post4:
2454 case x_lvalueRs_post4:
2455 case Rd_Rs_Rs_imm:
2456 case NO_OPD:
2457 case Rd_lvalue32Rs:
2458 case Rd_rvalue32Rs:
2459 case Insn_GP:
2460 case Insn_PIC:
2461 case Insn_internal:
2462 case Insn_BCMP:
2463 case Ra_I9_I5:
2464 retval = INSN_CLASS_32;
2465 break;
2466 case Insn_Type_PCE:
2467 retval = INSN_CLASS_PCE;
2468 break;
2469 case Insn_Type_SYN:
2470 retval = INSN_CLASS_SYN;
2471 break;
2472 case Rd_I30:
2473 case Rd_I32:
2474 retval = INSN_CLASS_48;
2475 break;
2476 default:
2477 abort ();
2478 break;
2479 }
2480 return retval;
2481 }
2482
2483 /* Type of p-bits:
2484 48-bit instruction: 1, 1, 0.
2485 32-bit instruction: 1, 0.
2486 16-bit instruction: 0. */
2487 static bfd_vma
2488 s3_adjust_paritybit (bfd_vma m_code, enum insn_class i_class)
2489 {
2490 bfd_vma result = 0;
2491 bfd_vma m_code_high = 0;
2492 unsigned long m_code_middle = 0;
2493 unsigned long m_code_low = 0;
2494 bfd_vma pb_high = 0;
2495 unsigned long pb_middle = 0;
2496 unsigned long pb_low = 0;
2497
2498 if (i_class == INSN_CLASS_48)
2499 {
2500 pb_high = 0x800000000000LL;
2501 pb_middle = 0x80000000;
2502 pb_low = 0x00000000;
2503 m_code_high = m_code & 0x1fffc0000000LL;
2504 m_code_middle = m_code & 0x3fff8000;
2505 m_code_low = m_code & 0x00007fff;
2506 result = pb_high | (m_code_high << 2) |
2507 pb_middle | (m_code_middle << 1) |
2508 pb_low | m_code_low;
2509 }
2510 else if (i_class == INSN_CLASS_32 || i_class == INSN_CLASS_SYN)
2511 {
2512 pb_high = 0x80000000;
2513 pb_low = 0x00000000;
2514 m_code_high = m_code & 0x3fff8000;
2515 m_code_low = m_code & 0x00007fff;
2516 result = pb_high | (m_code_high << 1) | pb_low | m_code_low;
2517 }
2518 else if (i_class == INSN_CLASS_16)
2519 {
2520 pb_high = 0;
2521 pb_low = 0;
2522 m_code_high = m_code & 0x3fff8000;
2523 m_code_low = m_code & 0x00007fff;
2524 result = pb_high | (m_code_high << 1) | pb_low | m_code_low;
2525 }
2526 else if (i_class == INSN_CLASS_PCE)
2527 {
2528 /* Keep original. */
2529 pb_high = 0;
2530 pb_low = 0x00008000;
2531 m_code_high = m_code & 0x3fff8000;
2532 m_code_low = m_code & 0x00007fff;
2533 result = pb_high | (m_code_high << 1) | pb_low | m_code_low;
2534 }
2535 else
2536 {
2537 abort ();
2538 }
2539
2540 return result;
2541 }
2542
2543 static void
2544 s3_gen_insn_frag (struct s3_score_it *part_1, struct s3_score_it *part_2)
2545 {
2546 char *p;
2547 bfd_boolean pce_p = FALSE;
2548 int relaxable_p = s3_g_opt;
2549 int relax_size = 0;
2550 struct s3_score_it *inst1 = part_1;
2551 struct s3_score_it *inst2 = part_2;
2552 struct s3_score_it backup_inst1;
2553
2554 pce_p = (inst2) ? TRUE : FALSE;
2555 memcpy (&backup_inst1, inst1, sizeof (struct s3_score_it));
2556
2557 /* Adjust instruction opcode and to be relaxed instruction opcode. */
2558 if (pce_p)
2559 {
2560 backup_inst1.instruction = ((backup_inst1.instruction & 0x7FFF) << 15)
2561 | (inst2->instruction & 0x7FFF);
2562 backup_inst1.instruction = s3_adjust_paritybit (backup_inst1.instruction, INSN_CLASS_PCE);
2563 backup_inst1.relax_inst = 0x8000;
2564 backup_inst1.size = s3_INSN_SIZE;
2565 backup_inst1.relax_size = 0;
2566 backup_inst1.type = Insn_Type_PCE;
2567 }
2568 else
2569 {
2570 backup_inst1.instruction = s3_adjust_paritybit (backup_inst1.instruction,
2571 s3_GET_INSN_CLASS (backup_inst1.type));
2572 }
2573
2574 if (backup_inst1.relax_size != 0)
2575 {
2576 enum insn_class tmp;
2577
2578 tmp = (backup_inst1.size == s3_INSN_SIZE) ? INSN_CLASS_16 : INSN_CLASS_32;
2579 backup_inst1.relax_inst = s3_adjust_paritybit (backup_inst1.relax_inst, tmp);
2580 }
2581
2582 /* Check data dependency. */
2583 s3_handle_dependency (&backup_inst1);
2584
2585 /* Start a new frag if frag_now is not empty and is not instruction frag, maybe it contains
2586 data produced by .ascii etc. Doing this is to make one instruction per frag. */
2587 if (frag_now_fix () != 0)
2588 {
2589 if (!frag_now->tc_frag_data.is_insn)
2590 frag_wane (frag_now);
2591
2592 frag_new (0);
2593 }
2594
2595 /* Here, we must call frag_grow in order to keep the instruction frag type is
2596 rs_machine_dependent.
2597 For, frag_var may change frag_now->fr_type to rs_fill by calling frag_grow which
2598 acturally will call frag_wane.
2599 Calling frag_grow first will create a new frag_now which free size is 20 that is enough
2600 for frag_var. */
2601 frag_grow (20);
2602
2603 p = frag_more (backup_inst1.size);
2604 s3_md_number_to_chars (p, backup_inst1.instruction, backup_inst1.size);
2605
2606 #ifdef OBJ_ELF
2607 dwarf2_emit_insn (backup_inst1.size);
2608 #endif
2609
2610 /* Generate fixup structure. */
2611 if (pce_p)
2612 {
2613 if (inst1->reloc.type != BFD_RELOC_NONE)
2614 s3_fix_new_score (frag_now, p - frag_now->fr_literal,
2615 inst1->size, &inst1->reloc.exp,
2616 inst1->reloc.pc_rel, inst1->reloc.type);
2617
2618 if (inst2->reloc.type != BFD_RELOC_NONE)
2619 s3_fix_new_score (frag_now, p - frag_now->fr_literal + 2,
2620 inst2->size, &inst2->reloc.exp, inst2->reloc.pc_rel, inst2->reloc.type);
2621 }
2622 else
2623 {
2624 if (backup_inst1.reloc.type != BFD_RELOC_NONE)
2625 s3_fix_new_score (frag_now, p - frag_now->fr_literal,
2626 backup_inst1.size, &backup_inst1.reloc.exp,
2627 backup_inst1.reloc.pc_rel, backup_inst1.reloc.type);
2628 }
2629
2630 /* relax_size may be 2, 4, 12 or 0, 0 indicates no relaxation. */
2631 relaxable_p &= (backup_inst1.relax_size != 0);
2632 relax_size = relaxable_p ? backup_inst1.relax_size : 0;
2633
2634 p = frag_var (rs_machine_dependent, relax_size + s3_RELAX_PAD_BYTE, 0,
2635 s3_RELAX_ENCODE (backup_inst1.size, backup_inst1.relax_size,
2636 backup_inst1.type, 0, 0, relaxable_p),
2637 backup_inst1.reloc.exp.X_add_symbol, 0, NULL);
2638
2639 if (relaxable_p)
2640 s3_md_number_to_chars (p, backup_inst1.relax_inst, relax_size);
2641
2642 memcpy (inst1, &backup_inst1, sizeof (struct s3_score_it));
2643 }
2644
2645 static void
2646 s3_parse_16_32_inst (char *insnstr, bfd_boolean gen_frag_p)
2647 {
2648 char c;
2649 char *p;
2650 char *operator = insnstr;
2651 const struct s3_asm_opcode *opcode;
2652
2653 /* Parse operator and operands. */
2654 s3_skip_whitespace (operator);
2655
2656 for (p = operator; *p != '\0'; p++)
2657 if ((*p == ' ') || (*p == '!'))
2658 break;
2659
2660 if (*p == '!')
2661 p++;
2662
2663 c = *p;
2664 *p = '\0';
2665
2666 opcode = (const struct s3_asm_opcode *) hash_find (s3_score_ops_hsh, operator);
2667 *p = c;
2668
2669 memset (&s3_inst, '\0', sizeof (s3_inst));
2670 sprintf (s3_inst.str, "%s", insnstr);
2671 if (opcode)
2672 {
2673 s3_inst.instruction = opcode->value;
2674 s3_inst.relax_inst = opcode->relax_value;
2675 s3_inst.type = opcode->type;
2676 s3_inst.size = s3_GET_INSN_SIZE (s3_inst.type);
2677 s3_inst.relax_size = 0;
2678 s3_inst.bwarn = 0;
2679 sprintf (s3_inst.name, "%s", opcode->template_name);
2680 strcpy (s3_inst.reg, "");
2681 s3_inst.error = NULL;
2682 s3_inst.reloc.type = BFD_RELOC_NONE;
2683
2684 (*opcode->parms) (p);
2685
2686 /* It indicates current instruction is a macro instruction if s3_inst.bwarn equals -1. */
2687 if ((s3_inst.bwarn != -1) && (!s3_inst.error) && (gen_frag_p))
2688 s3_gen_insn_frag (&s3_inst, NULL);
2689 }
2690 else
2691 s3_inst.error = _("unrecognized opcode");
2692 }
2693
2694 static void
2695 s3_parse_48_inst (char *insnstr, bfd_boolean gen_frag_p)
2696 {
2697 char c;
2698 char *p;
2699 char *operator = insnstr;
2700 const struct s3_asm_opcode *opcode;
2701
2702 /* Parse operator and operands. */
2703 s3_skip_whitespace (operator);
2704
2705 for (p = operator; *p != '\0'; p++)
2706 if (*p == ' ')
2707 break;
2708
2709 c = *p;
2710 *p = '\0';
2711
2712 opcode = (const struct s3_asm_opcode *) hash_find (s3_score_ops_hsh, operator);
2713 *p = c;
2714
2715 memset (&s3_inst, '\0', sizeof (s3_inst));
2716 sprintf (s3_inst.str, "%s", insnstr);
2717 if (opcode)
2718 {
2719 s3_inst.instruction = opcode->value;
2720 s3_inst.relax_inst = opcode->relax_value;
2721 s3_inst.type = opcode->type;
2722 s3_inst.size = s3_GET_INSN_SIZE (s3_inst.type);
2723 s3_inst.relax_size = 0;
2724 s3_inst.bwarn = 0;
2725 sprintf (s3_inst.name, "%s", opcode->template_name);
2726 strcpy (s3_inst.reg, "");
2727 s3_inst.error = NULL;
2728 s3_inst.reloc.type = BFD_RELOC_NONE;
2729
2730 (*opcode->parms) (p);
2731
2732 /* It indicates current instruction is a macro instruction if s3_inst.bwarn equals -1. */
2733 if ((s3_inst.bwarn != -1) && (!s3_inst.error) && (gen_frag_p))
2734 s3_gen_insn_frag (&s3_inst, NULL);
2735 }
2736 else
2737 s3_inst.error = _("unrecognized opcode");
2738 }
2739
2740 static int
2741 s3_append_insn (char *str, bfd_boolean gen_frag_p)
2742 {
2743 int retval = s3_SUCCESS;
2744
2745 s3_parse_16_32_inst (str, gen_frag_p);
2746
2747 if (s3_inst.error)
2748 {
2749 retval = (int) s3_FAIL;
2750 as_bad (_("%s -- `%s'"), s3_inst.error, s3_inst.str);
2751 s3_inst.error = NULL;
2752 }
2753
2754 return retval;
2755 }
2756
2757 static void
2758 s3_do16_mv_cmp (char *str)
2759 {
2760 s3_skip_whitespace (str);
2761
2762 if (s3_reg_required_here (&str, 5, s3_REG_TYPE_SCORE) == (int) s3_FAIL
2763 || s3_skip_past_comma (&str) == (int) s3_FAIL
2764 || s3_reg_required_here (&str, 0, s3_REG_TYPE_SCORE) == (int) s3_FAIL
2765 || s3_end_of_line (str) == (int) s3_FAIL)
2766 {
2767 return;
2768 }
2769 }
2770
2771 static void
2772 s3_do16_cmpi (char *str)
2773 {
2774 s3_skip_whitespace (str);
2775
2776 if (s3_reg_required_here (&str, 5, s3_REG_TYPE_SCORE) == (int) s3_FAIL
2777 || s3_skip_past_comma (&str) == (int) s3_FAIL
2778 || s3_data_op2 (&str, 0, _SIMM5) == (int) s3_FAIL
2779 || s3_end_of_line (str) == (int) s3_FAIL)
2780 {
2781 return;
2782 }
2783 }
2784
2785 static void
2786 s3_do16_addi (char *str)
2787 {
2788 s3_skip_whitespace (str);
2789
2790 if (s3_reglow_required_here (&str, 6) == (int) s3_FAIL
2791 || s3_skip_past_comma (&str) == (int) s3_FAIL
2792 || s3_data_op2 (&str, 0, _SIMM6) == (int) s3_FAIL
2793 || s3_end_of_line (str) == (int) s3_FAIL)
2794 {
2795 return;
2796 }
2797 }
2798
2799 /* Handle bitclr! / bitset! / bittst! / bittgl! */
2800 static void
2801 s3_do16_rdi5 (char *str)
2802 {
2803 s3_skip_whitespace (str);
2804
2805 if (s3_reglow_required_here (&str, 5) == (int) s3_FAIL
2806 || s3_skip_past_comma (&str) == (int) s3_FAIL
2807 || s3_data_op2 (&str, 0, _IMM5) == (int) s3_FAIL
2808 || s3_end_of_line (str) == (int) s3_FAIL)
2809 return;
2810 else
2811 {
2812 s3_inst.relax_inst |= (((s3_inst.instruction >>5) & 0xf) << 20)
2813 | (((s3_inst.instruction >> 5) & 0xf) << 15) | (((s3_inst.instruction ) & 0x1f) << 10);
2814 s3_inst.relax_size = 4;
2815 }
2816 }
2817
2818
2819 /* Handle sdbbp!. */
2820 static void
2821 s3_do16_xi5 (char *str)
2822 {
2823 s3_skip_whitespace (str);
2824
2825 if (s3_data_op2 (&str, 0, _IMM5) == (int) s3_FAIL || s3_end_of_line (str) == (int) s3_FAIL)
2826 return;
2827 }
2828
2829 /* Check that an immediate is word alignment or half word alignment.
2830 If so, convert it to the right format. */
2831 static int
2832 s3_validate_immediate_align (int val, unsigned int data_type)
2833 {
2834 if (data_type == _IMM5_RSHIFT_1)
2835 {
2836 if (val % 2)
2837 {
2838 s3_inst.error = _("address offset must be half word alignment");
2839 return (int) s3_FAIL;
2840 }
2841 }
2842 else if ((data_type == _IMM5_RSHIFT_2) || (data_type == _IMM10_RSHIFT_2))
2843 {
2844 if (val % 4)
2845 {
2846 s3_inst.error = _("address offset must be word alignment");
2847 return (int) s3_FAIL;
2848 }
2849 }
2850
2851 return s3_SUCCESS;
2852 }
2853
2854 static int
2855 s3_exp_ldst_offset (char **str, int shift, unsigned int data_type)
2856 {
2857 char *dataptr;
2858
2859 dataptr = * str;
2860
2861 if ((*dataptr == '0') && (*(dataptr + 1) == 'x')
2862 && (data_type != _SIMM16_LA)
2863 && (data_type != _VALUE_HI16)
2864 && (data_type != _VALUE_LO16)
2865 && (data_type != _IMM16)
2866 && (data_type != _IMM15)
2867 && (data_type != _IMM14)
2868 && (data_type != _IMM4)
2869 && (data_type != _IMM5)
2870 && (data_type != _IMM8)
2871 && (data_type != _IMM5_RSHIFT_1)
2872 && (data_type != _IMM5_RSHIFT_2)
2873 && (data_type != _SIMM14_NEG)
2874 && (data_type != _IMM10_RSHIFT_2))
2875 {
2876 data_type += 24;
2877 }
2878
2879 if (s3_my_get_expression (&s3_inst.reloc.exp, str) == (int) s3_FAIL)
2880 return (int) s3_FAIL;
2881
2882 if (s3_inst.reloc.exp.X_op == O_constant)
2883 {
2884 /* Need to check the immediate align. */
2885 int value = s3_validate_immediate_align (s3_inst.reloc.exp.X_add_number, data_type);
2886
2887 if (value == (int) s3_FAIL)
2888 return (int) s3_FAIL;
2889
2890 value = s3_validate_immediate (s3_inst.reloc.exp.X_add_number, data_type, 0);
2891 if (value == (int) s3_FAIL)
2892 {
2893 if (data_type < 30)
2894 sprintf (s3_err_msg,
2895 _("invalid constant: %d bit expression not in range %d..%d"),
2896 s3_score_df_range[data_type].bits,
2897 s3_score_df_range[data_type].range[0], s3_score_df_range[data_type].range[1]);
2898 else
2899 sprintf (s3_err_msg,
2900 _("invalid constant: %d bit expression not in range %d..%d"),
2901 s3_score_df_range[data_type - 24].bits,
2902 s3_score_df_range[data_type - 24].range[0], s3_score_df_range[data_type - 24].range[1]);
2903 s3_inst.error = s3_err_msg;
2904 return (int) s3_FAIL;
2905 }
2906
2907 if (data_type == _IMM5_RSHIFT_1)
2908 {
2909 value >>= 1;
2910 }
2911 else if ((data_type == _IMM5_RSHIFT_2) || (data_type == _IMM10_RSHIFT_2))
2912 {
2913 value >>= 2;
2914 }
2915
2916 if (s3_score_df_range[data_type].range[0] != 0)
2917 {
2918 value &= (1 << s3_score_df_range[data_type].bits) - 1;
2919 }
2920
2921 s3_inst.instruction |= value << shift;
2922 }
2923 else
2924 {
2925 s3_inst.reloc.pc_rel = 0;
2926 }
2927
2928 return s3_SUCCESS;
2929 }
2930
2931 static void
2932 s3_do_ldst_insn (char *str)
2933 {
2934 int pre_inc = 0;
2935 int conflict_reg;
2936 int value;
2937 char * temp;
2938 char *dataptr;
2939 int reg;
2940 int ldst_idx = 0;
2941
2942 s3_skip_whitespace (str);
2943
2944 if (((conflict_reg = s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
2945 || (s3_skip_past_comma (&str) == (int) s3_FAIL))
2946 return;
2947
2948 /* ld/sw rD, [rA, simm15] ld/sw rD, [rA]+, simm12 ld/sw rD, [rA, simm12]+. */
2949 if (*str == '[')
2950 {
2951 str++;
2952 s3_skip_whitespace (str);
2953
2954 if ((reg = s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
2955 return;
2956
2957 /* Conflicts can occur on stores as well as loads. */
2958 conflict_reg = (conflict_reg == reg);
2959 s3_skip_whitespace (str);
2960 temp = str + 1; /* The latter will process decimal/hex expression. */
2961
2962 /* ld/sw rD, [rA]+, simm12 ld/sw rD, [rA]+. */
2963 if (*str == ']')
2964 {
2965 str++;
2966 if (*str == '+')
2967 {
2968 str++;
2969 /* ld/sw rD, [rA]+, simm12. */
2970 if (s3_skip_past_comma (&str) == s3_SUCCESS)
2971 {
2972 if ((s3_exp_ldst_offset (&str, 3, _SIMM12) == (int) s3_FAIL)
2973 || (s3_end_of_line (str) == (int) s3_FAIL))
2974 return;
2975
2976 if (conflict_reg)
2977 {
2978 unsigned int ldst_func = s3_inst.instruction & OPC_PSEUDOLDST_MASK;
2979
2980 if ((ldst_func == INSN_LH)
2981 || (ldst_func == INSN_LHU)
2982 || (ldst_func == INSN_LW)
2983 || (ldst_func == INSN_LB)
2984 || (ldst_func == INSN_LBU))
2985 {
2986 s3_inst.error = _("register same as write-back base");
2987 return;
2988 }
2989 }
2990
2991 ldst_idx = s3_inst.instruction & OPC_PSEUDOLDST_MASK;
2992 s3_inst.instruction &= ~OPC_PSEUDOLDST_MASK;
2993 s3_inst.instruction |= s3_score_ldst_insns[ldst_idx * 3 + LDST_POST].value;
2994
2995 /* lw rD, [rA]+, 4 convert to pop rD, [rA]. */
2996 if ((s3_inst.instruction & 0x3e000007) == 0x0e000000)
2997 {
2998 /* rs = r0, offset = 4 */
2999 if ((((s3_inst.instruction >> 15) & 0x1f) == 0)
3000 && (((s3_inst.instruction >> 3) & 0xfff) == 4))
3001 {
3002 /* Relax to pop!. */
3003 s3_inst.relax_inst = 0x0040 | ((s3_inst.instruction >> 20) & 0x1f);
3004 s3_inst.relax_size = 2;
3005 }
3006 }
3007 return;
3008 }
3009 /* ld/sw rD, [rA]+ convert to ld/sw rD, [rA, 0]+. */
3010 else
3011 {
3012 s3_SET_INSN_ERROR (NULL);
3013 if (s3_end_of_line (str) == (int) s3_FAIL)
3014 {
3015 return;
3016 }
3017
3018 pre_inc = 1;
3019 value = s3_validate_immediate (s3_inst.reloc.exp.X_add_number, _SIMM12, 0);
3020 value &= (1 << s3_score_df_range[_SIMM12].bits) - 1;
3021 ldst_idx = s3_inst.instruction & OPC_PSEUDOLDST_MASK;
3022 s3_inst.instruction &= ~OPC_PSEUDOLDST_MASK;
3023 s3_inst.instruction |= s3_score_ldst_insns[ldst_idx * 3 + pre_inc].value;
3024 s3_inst.instruction |= value << 3;
3025 s3_inst.relax_inst = 0x8000;
3026 return;
3027 }
3028 }
3029 /* ld/sw rD, [rA] convert to ld/sw rD, [rA, simm15]. */
3030 else
3031 {
3032 if (s3_end_of_line (str) == (int) s3_FAIL)
3033 return;
3034
3035 ldst_idx = s3_inst.instruction & OPC_PSEUDOLDST_MASK;
3036 s3_inst.instruction &= ~OPC_PSEUDOLDST_MASK;
3037 s3_inst.instruction |= s3_score_ldst_insns[ldst_idx * 3 + LDST_NOUPDATE].value;
3038
3039 /* lbu rd, [rs] -> lbu! rd, [rs] */
3040 if (ldst_idx == INSN_LBU)
3041 {
3042 s3_inst.relax_inst = INSN16_LBU;
3043 }
3044 else if (ldst_idx == INSN_LH)
3045 {
3046 s3_inst.relax_inst = INSN16_LH;
3047 }
3048 else if (ldst_idx == INSN_LW)
3049 {
3050 s3_inst.relax_inst = INSN16_LW;
3051 }
3052 else if (ldst_idx == INSN_SB)
3053 {
3054 s3_inst.relax_inst = INSN16_SB;
3055 }
3056 else if (ldst_idx == INSN_SH)
3057 {
3058 s3_inst.relax_inst = INSN16_SH;
3059 }
3060 else if (ldst_idx == INSN_SW)
3061 {
3062 s3_inst.relax_inst = INSN16_SW;
3063 }
3064 else
3065 {
3066 s3_inst.relax_inst = 0x8000;
3067 }
3068
3069 /* lw/lh/lbu/sw/sh/sb, offset = 0, relax to 16 bit instruction. */
3070 /* if ((ldst_idx == INSN_LBU)
3071 || (ldst_idx == INSN_LH)
3072 || (ldst_idx == INSN_LW)
3073 || (ldst_idx == INSN_SB) || (ldst_idx == INSN_SH) || (ldst_idx == INSN_SW))*/
3074 if ( (ldst_idx == INSN_LW)|| (ldst_idx == INSN_SW))
3075 {
3076 /* ra only 3 bit , rd only 4 bit for lw! and sw! */
3077 if ((((s3_inst.instruction >> 15) & 0x18) == 0) && (((s3_inst.instruction >> 20) & 0x10) == 0))
3078 {
3079 s3_inst.relax_inst |= (((s3_inst.instruction >> 20) & 0xf) << 8) |
3080 (((s3_inst.instruction >> 15) & 0x7) << 5);
3081 s3_inst.relax_size = 2;
3082 }
3083 }
3084
3085 return;
3086 }
3087 }
3088 /* ld/sw rD, [rA, simm15] ld/sw rD, [rA, simm12]+. */
3089 else
3090 {
3091 if (s3_skip_past_comma (&str) == (int) s3_FAIL)
3092 {
3093 s3_inst.error = _("pre-indexed expression expected");
3094 return;
3095 }
3096
3097 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL)
3098 return;
3099
3100 s3_skip_whitespace (str);
3101 if (*str++ != ']')
3102 {
3103 s3_inst.error = _("missing ]");
3104 return;
3105 }
3106
3107 s3_skip_whitespace (str);
3108 /* ld/sw rD, [rA, simm12]+. */
3109 if (*str == '+')
3110 {
3111 str++;
3112 pre_inc = 1;
3113 if (conflict_reg)
3114 {
3115 unsigned int ldst_func = s3_inst.instruction & OPC_PSEUDOLDST_MASK;
3116
3117 if ((ldst_func == INSN_LH)
3118 || (ldst_func == INSN_LHU)
3119 || (ldst_func == INSN_LW)
3120 || (ldst_func == INSN_LB)
3121 || (ldst_func == INSN_LBU))
3122 {
3123 s3_inst.error = _("register same as write-back base");
3124 return;
3125 }
3126 }
3127 }
3128
3129 if (s3_end_of_line (str) == (int) s3_FAIL)
3130 return;
3131
3132 if (s3_inst.reloc.exp.X_op == O_constant)
3133 {
3134 unsigned int data_type;
3135
3136 if (pre_inc == 1)
3137 data_type = _SIMM12;
3138 else
3139 data_type = _SIMM15;
3140 dataptr = temp;
3141
3142 if ((*dataptr == '0') && (*(dataptr + 1) == 'x')
3143 && (data_type != _SIMM16_LA)
3144 && (data_type != _VALUE_HI16)
3145 && (data_type != _VALUE_LO16)
3146 && (data_type != _IMM16)
3147 && (data_type != _IMM15)
3148 && (data_type != _IMM14)
3149 && (data_type != _IMM4)
3150 && (data_type != _IMM5)
3151 && (data_type != _IMM8)
3152 && (data_type != _IMM5_RSHIFT_1)
3153 && (data_type != _IMM5_RSHIFT_2)
3154 && (data_type != _SIMM14_NEG)
3155 && (data_type != _IMM10_RSHIFT_2))
3156 {
3157 data_type += 24;
3158 }
3159
3160 value = s3_validate_immediate (s3_inst.reloc.exp.X_add_number, data_type, 0);
3161 if (value == (int) s3_FAIL)
3162 {
3163 if (data_type < 30)
3164 sprintf (s3_err_msg,
3165 _("invalid constant: %d bit expression not in range %d..%d"),
3166 s3_score_df_range[data_type].bits,
3167 s3_score_df_range[data_type].range[0], s3_score_df_range[data_type].range[1]);
3168 else
3169 sprintf (s3_err_msg,
3170 _("invalid constant: %d bit expression not in range %d..%d"),
3171 s3_score_df_range[data_type - 24].bits,
3172 s3_score_df_range[data_type - 24].range[0],
3173 s3_score_df_range[data_type - 24].range[1]);
3174 s3_inst.error = s3_err_msg;
3175 return;
3176 }
3177
3178 value &= (1 << s3_score_df_range[data_type].bits) - 1;
3179 ldst_idx = s3_inst.instruction & OPC_PSEUDOLDST_MASK;
3180 s3_inst.instruction &= ~OPC_PSEUDOLDST_MASK;
3181 s3_inst.instruction |= s3_score_ldst_insns[ldst_idx * 3 + pre_inc].value;
3182 if (pre_inc == 1)
3183 s3_inst.instruction |= value << 3;
3184 else
3185 s3_inst.instruction |= value;
3186
3187 /* lw rD, [rA, simm15] */
3188 if ((s3_inst.instruction & 0x3e000000) == 0x20000000)
3189 {
3190 /* rD in [r0 - r15]. , ra in [r0-r7] */
3191 if ((((s3_inst.instruction >> 15) & 0x18) == 0)
3192 && (((s3_inst.instruction >> 20) & 0x10) == 0))
3193 {
3194 /* simm = [bit 7], lw -> lw!. */
3195 if (((s3_inst.instruction & 0x7f80) == 0)&&((s3_inst.instruction &0x3)==0))
3196 {
3197 s3_inst.relax_inst |= (((s3_inst.instruction >> 15) & 0x7) << 5)
3198 | (((s3_inst.instruction >> 20) & 0xf) << 8)|(value>>2);
3199 s3_inst.relax_size = 2;
3200 }
3201 else
3202 {
3203 s3_inst.relax_inst = 0x8000;
3204 }
3205 }
3206 else
3207 {
3208 s3_inst.relax_inst = 0x8000;
3209 }
3210 }
3211 /* sw rD, [rA, simm15] */
3212 else if ((s3_inst.instruction & 0x3e000000) == 0x28000000)
3213 {
3214 /* rD is in [r0 - r15] and ra in [r0-r7] */
3215 if ((((s3_inst.instruction >> 15) & 0x18) == 0) && (((s3_inst.instruction >> 20) & 0x10) == 0))
3216 {
3217 /* simm15 =7 bit , sw -> sw!. */
3218 if (((s3_inst.instruction & 0x7f80) == 0)&&((s3_inst.instruction &0x3)==0))
3219 {
3220 s3_inst.relax_inst |= (((s3_inst.instruction >> 15) & 0xf) << 5)
3221 | (((s3_inst.instruction >> 20) & 0xf) << 8)|(value>>2);
3222 s3_inst.relax_size = 2;
3223 }
3224 /* rA = r2, sw -> swp!. */
3225 else
3226 {
3227 s3_inst.relax_inst = 0x8000;
3228 }
3229 }
3230 else
3231 {
3232 s3_inst.relax_inst = 0x8000;
3233 }
3234 }
3235 /* sw rD, [rA, simm15]+ sw pre. */
3236 else if ((s3_inst.instruction & 0x3e000007) == 0x06000004)
3237 {
3238 /* simm15 = -4. and ra==r0 */
3239 if ((((s3_inst.instruction >> 15) & 0x1f) == 0)
3240 && (((s3_inst.instruction >> 3) & 0xfff) == 0xffc))
3241 {
3242 /* sw -> push!. */
3243 s3_inst.relax_inst = 0x0060 | ((s3_inst.instruction >> 20) & 0x1f);
3244 s3_inst.relax_size = 2;
3245 }
3246 else
3247 {
3248 s3_inst.relax_inst = 0x8000;
3249 }
3250 }
3251 else
3252 {
3253 s3_inst.relax_inst = 0x8000;
3254 }
3255
3256 return;
3257 }
3258 else
3259 {
3260 /* FIXME: may set error, for there is no ld/sw rD, [rA, label] */
3261 s3_inst.reloc.pc_rel = 0;
3262 }
3263 }
3264 }
3265 else
3266 {
3267 s3_inst.error = s3_BAD_ARGS;
3268 }
3269 }
3270
3271 /* Handle cache. */
3272 static void
3273 s3_do_cache (char *str)
3274 {
3275 s3_skip_whitespace (str);
3276
3277 if ((s3_data_op2 (&str, 20, _IMM5) == (int) s3_FAIL) || (s3_skip_past_comma (&str) == (int) s3_FAIL))
3278 {
3279 return;
3280 }
3281 else
3282 {
3283 int cache_op;
3284
3285 cache_op = (s3_inst.instruction >> 20) & 0x1F;
3286 sprintf (s3_inst.name, "cache %d", cache_op);
3287 }
3288
3289 if (*str == '[')
3290 {
3291 str++;
3292 s3_skip_whitespace (str);
3293
3294 if (s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL)
3295 return;
3296
3297 s3_skip_whitespace (str);
3298
3299 /* cache op, [rA] */
3300 if (s3_skip_past_comma (&str) == (int) s3_FAIL)
3301 {
3302 s3_SET_INSN_ERROR (NULL);
3303 if (*str != ']')
3304 {
3305 s3_inst.error = _("missing ]");
3306 return;
3307 }
3308 str++;
3309 }
3310 /* cache op, [rA, simm15] */
3311 else
3312 {
3313 if (s3_exp_ldst_offset (&str, 0, _SIMM15) == (int) s3_FAIL)
3314 {
3315 return;
3316 }
3317
3318 s3_skip_whitespace (str);
3319 if (*str++ != ']')
3320 {
3321 s3_inst.error = _("missing ]");
3322 return;
3323 }
3324 }
3325
3326 if (s3_end_of_line (str) == (int) s3_FAIL)
3327 return;
3328 }
3329 else
3330 {
3331 s3_inst.error = s3_BAD_ARGS;
3332 }
3333 }
3334
3335 static void
3336 s3_do_crdcrscrsimm5 (char *str)
3337 {
3338 char *strbak;
3339
3340 strbak = str;
3341 s3_skip_whitespace (str);
3342
3343 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE_CR) == (int) s3_FAIL
3344 || s3_skip_past_comma (&str) == (int) s3_FAIL
3345 || s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE_CR) == (int) s3_FAIL
3346 || s3_skip_past_comma (&str) == (int) s3_FAIL
3347 || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE_CR) == (int) s3_FAIL
3348 || s3_skip_past_comma (&str) == (int) s3_FAIL)
3349 {
3350 str = strbak;
3351 /* cop1 cop_code20. */
3352 if (s3_data_op2 (&str, 5, _IMM20) == (int) s3_FAIL)
3353 return;
3354 }
3355 else
3356 {
3357 if (s3_data_op2 (&str, 5, _IMM5) == (int) s3_FAIL)
3358 return;
3359 }
3360
3361 s3_end_of_line (str);
3362 }
3363
3364 /* Handle ldc/stc. */
3365 static void
3366 s3_do_ldst_cop (char *str)
3367 {
3368 s3_skip_whitespace (str);
3369
3370 if ((s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE_CR) == (int) s3_FAIL)
3371 || (s3_skip_past_comma (&str) == (int) s3_FAIL))
3372 return;
3373
3374 if (*str == '[')
3375 {
3376 str++;
3377 s3_skip_whitespace (str);
3378
3379 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL)
3380 return;
3381
3382 s3_skip_whitespace (str);
3383
3384 if (*str++ != ']')
3385 {
3386 if (s3_exp_ldst_offset (&str, 5, _IMM10_RSHIFT_2) == (int) s3_FAIL)
3387 return;
3388
3389 s3_skip_whitespace (str);
3390 if (*str++ != ']')
3391 {
3392 s3_inst.error = _("missing ]");
3393 return;
3394 }
3395 }
3396
3397 s3_end_of_line (str);
3398 }
3399 else
3400 s3_inst.error = s3_BAD_ARGS;
3401 }
3402
3403 static void
3404 s3_do16_ldst_insn (char *str)
3405 {
3406 int conflict_reg = 0;
3407 s3_skip_whitespace (str);
3408
3409 if ((s3_reglow_required_here (&str, 8) == (int) s3_FAIL) || (s3_skip_past_comma (&str) == (int) s3_FAIL))
3410 return;
3411
3412 if (*str == '[')
3413 {
3414
3415 str++;
3416 s3_skip_whitespace (str);
3417
3418 if ((conflict_reg = s3_reglow_required_here (&str, 5)) == (int) s3_FAIL)
3419 return;
3420 if (conflict_reg&0x8)
3421 {
3422 sprintf (s3_err_msg, _("invalid register number: %d is not in [r0--r7]"),conflict_reg);
3423 s3_inst.error = s3_err_msg;
3424 return;
3425 }
3426
3427 s3_skip_whitespace (str);
3428
3429 if (*str == ']')
3430 {
3431 str++;
3432 if (s3_end_of_line (str) == (int) s3_FAIL)
3433 return;
3434 }
3435 else
3436 {
3437 if (s3_skip_past_comma (&str) == (int) s3_FAIL)
3438 {
3439 s3_inst.error = _("comma is expected");
3440 return;
3441 }
3442 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL)
3443 return;
3444 s3_skip_whitespace (str);
3445 if (*str++ != ']')
3446 {
3447 s3_inst.error = _("missing ]");
3448 return;
3449 }
3450 if (s3_end_of_line (str) == (int) s3_FAIL)
3451 return;
3452 if (s3_inst.reloc.exp.X_op == O_constant)
3453 {
3454 int value;
3455 unsigned int data_type;
3456 data_type = _IMM5_RSHIFT_2;
3457 value = s3_validate_immediate (s3_inst.reloc.exp.X_add_number, data_type, 0);
3458 if (value == (int) s3_FAIL)
3459 {
3460 if (data_type < 30)
3461 sprintf (s3_err_msg,
3462 _("invalid constant: %d bit expression not in range %d..%d"),
3463 s3_score_df_range[data_type].bits,
3464 s3_score_df_range[data_type].range[0], s3_score_df_range[data_type].range[1]);
3465 s3_inst.error = s3_err_msg;
3466 return;
3467 }
3468 if (value & 0x3)
3469 {
3470 sprintf (s3_err_msg, _("invalid constant: %d is not word align integer"),value);
3471 s3_inst.error = s3_err_msg;
3472 return;
3473 }
3474
3475 value >>= 2;
3476 s3_inst.instruction |= value;
3477 }
3478 }
3479 }
3480 else
3481 {
3482 sprintf (s3_err_msg, _("missing ["));
3483 s3_inst.error = s3_err_msg;
3484 return;
3485 }
3486 }
3487
3488 static void
3489 s3_do_lw48 (char *str)
3490 {
3491 bfd_signed_vma val = 0;
3492
3493 s3_skip_whitespace (str);
3494
3495 if ((s3_reg_required_here (&str, 37, s3_REG_TYPE_SCORE) == (int) s3_FAIL)
3496 || (s3_skip_past_comma (&str) == (int) s3_FAIL))
3497 return;
3498
3499 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL
3500 || s3_end_of_line (str) == (int) s3_FAIL)
3501 {
3502 return;
3503 }
3504
3505 /* Check word align for lw48 rd, value. */
3506 if ((s3_inst.reloc.exp.X_add_symbol == NULL)
3507 && ((s3_inst.reloc.exp.X_add_number & 0x3) != 0))
3508 {
3509 s3_inst.error = _("invalid constant: 32 bit expression not word align");
3510 return;
3511 }
3512
3513 /* Check and set offset. */
3514 val = s3_inst.reloc.exp.X_add_number;
3515 if ((s3_inst.reloc.exp.X_add_symbol == NULL)
3516 && (!(val >= 0 && val <= 0xffffffffLL)))
3517 {
3518 s3_inst.error = _("invalid constant: 32 bit expression not in range [0, 0xffffffff]");
3519 return;
3520 }
3521
3522 val &= 0xffffffff;
3523 val >>= 2;
3524 s3_inst.instruction |= (val << 7);
3525
3526 /* Set reloc type. */
3527 s3_inst.reloc.type = BFD_RELOC_SCORE_IMM30;
3528
3529 }
3530
3531 static void
3532 s3_do_sw48 (char *str)
3533 {
3534 bfd_signed_vma val = 0;
3535
3536 s3_skip_whitespace (str);
3537
3538 if ((s3_reg_required_here (&str, 37, s3_REG_TYPE_SCORE) == (int) s3_FAIL)
3539 || (s3_skip_past_comma (&str) == (int) s3_FAIL))
3540 return;
3541
3542 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL
3543 || s3_end_of_line (str) == (int) s3_FAIL)
3544 {
3545 return;
3546 }
3547
3548 /* Check word align for lw48 rd, value. */
3549 if ((s3_inst.reloc.exp.X_add_symbol == NULL)
3550 && ((s3_inst.reloc.exp.X_add_number & 0x3) != 0))
3551 {
3552 s3_inst.error = _("invalid constant: 32 bit expression not word align");
3553 return;
3554 }
3555
3556 /* Check and set offset. */
3557 val = s3_inst.reloc.exp.X_add_number;
3558 if ((s3_inst.reloc.exp.X_add_symbol == NULL)
3559 && (!(val >= 0 && val <= 0xffffffffLL)))
3560 {
3561 s3_inst.error = _("invalid constant: 32 bit expression not in range [0, 0xffffffff]");
3562 return;
3563 }
3564
3565 val &= 0xffffffff;
3566 val >>= 2;
3567 s3_inst.instruction |= (val << 7);
3568
3569 /* Set reloc type. */
3570 s3_inst.reloc.type = BFD_RELOC_SCORE_IMM30;
3571 }
3572
3573 static void
3574 s3_do_ldi48 (char *str)
3575 {
3576 bfd_signed_vma val;
3577
3578 s3_skip_whitespace (str);
3579
3580 if (s3_reg_required_here (&str, 37, s3_REG_TYPE_SCORE) == (int) s3_FAIL
3581 || s3_skip_past_comma (&str) == (int) s3_FAIL)
3582 return;
3583
3584 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL
3585 || s3_end_of_line (str) == (int) s3_FAIL)
3586 {
3587 return;
3588 }
3589
3590 /* Check and set offset. */
3591 val = s3_inst.reloc.exp.X_add_number;
3592 if (!(val >= -0xffffffffLL && val <= 0xffffffffLL))
3593 {
3594 s3_inst.error = _("invalid constant: 32 bit expression not in range [-0x80000000, 0x7fffffff]");
3595 return;
3596 }
3597
3598 val &= 0xffffffff;
3599 s3_inst.instruction |= (val << 5);
3600
3601 /* Set reloc type. */
3602 s3_inst.reloc.type = BFD_RELOC_SCORE_IMM32;
3603 }
3604
3605 static void
3606 s3_do_sdbbp48 (char *str)
3607 {
3608 s3_skip_whitespace (str);
3609
3610 if (s3_data_op2 (&str, 5, _IMM5) == (int) s3_FAIL || s3_end_of_line (str) == (int) s3_FAIL)
3611 return;
3612 }
3613
3614 static void
3615 s3_do_and48 (char *str)
3616 {
3617 s3_skip_whitespace (str);
3618
3619 if (s3_reglow_required_here (&str, 38) == (int) s3_FAIL
3620 || s3_skip_past_comma (&str) == (int) s3_FAIL
3621 || s3_reglow_required_here (&str, 34) == (int) s3_FAIL
3622 || s3_skip_past_comma (&str) == (int) s3_FAIL
3623 || s3_data_op2 (&str, 2, _IMM32) == (int) s3_FAIL
3624 || s3_end_of_line (str) == (int) s3_FAIL)
3625 return;
3626 }
3627
3628 static void
3629 s3_do_or48 (char *str)
3630 {
3631 s3_skip_whitespace (str);
3632
3633 if (s3_reglow_required_here (&str, 38) == (int) s3_FAIL
3634 || s3_skip_past_comma (&str) == (int) s3_FAIL
3635 || s3_reglow_required_here (&str, 34) == (int) s3_FAIL
3636 || s3_skip_past_comma (&str) == (int) s3_FAIL
3637 || s3_data_op2 (&str, 2, _IMM32) == (int) s3_FAIL
3638 || s3_end_of_line (str) == (int) s3_FAIL)
3639 return;
3640 }
3641
3642 static void
3643 s3_do_mbitclr (char *str)
3644 {
3645 int val;
3646 s3_skip_whitespace (str);
3647
3648 if (*str != '[')
3649 {
3650 sprintf (s3_err_msg, _("missing ["));
3651 s3_inst.error = s3_err_msg;
3652 return;
3653 }
3654 str++;
3655
3656 s3_inst.instruction &= 0x0;
3657
3658 if ((s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL)
3659 || (s3_skip_past_comma (&str) == (int) s3_FAIL)
3660 || (s3_data_op2 (&str, 0, _IMM11) == (int) s3_FAIL))
3661 return;
3662
3663 /* Get imm11 and refill opcode. */
3664 val = s3_inst.instruction & 0x7ff;
3665 val >>= 2;
3666 s3_inst.instruction &= 0x000f8000;
3667 s3_inst.instruction |= 0x00000064;
3668
3669 if (*str != ']')
3670 {
3671 sprintf (s3_err_msg, _("missing ]"));
3672 s3_inst.error = s3_err_msg;
3673 return;
3674 }
3675 str++;
3676
3677 if ((s3_skip_past_comma (&str) == (int) s3_FAIL)
3678 || (s3_data_op2 (&str, 10, _IMM5) == (int) s3_FAIL))
3679 return;
3680
3681 /* Set imm11 to opcode. */
3682 s3_inst.instruction |= (val & 0x1)
3683 | (((val >> 1 ) & 0x7) << 7)
3684 | (((val >> 4 ) & 0x1f) << 20);
3685 }
3686
3687 static void
3688 s3_do_mbitset (char *str)
3689 {
3690 int val;
3691 s3_skip_whitespace (str);
3692
3693 if (*str != '[')
3694 {
3695 sprintf (s3_err_msg, _("missing ["));
3696 s3_inst.error = s3_err_msg;
3697 return;
3698 }
3699 str++;
3700
3701 s3_inst.instruction &= 0x0;
3702
3703 if ((s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL)
3704 || (s3_skip_past_comma (&str) == (int) s3_FAIL)
3705 || (s3_data_op2 (&str, 0, _IMM11) == (int) s3_FAIL))
3706 return;
3707
3708 /* Get imm11 and refill opcode. */
3709 val = s3_inst.instruction & 0x7ff;
3710 val >>= 2;
3711 s3_inst.instruction &= 0x000f8000;
3712 s3_inst.instruction |= 0x0000006c;
3713
3714 if (*str != ']')
3715 {
3716 sprintf (s3_err_msg, _("missing ]"));
3717 s3_inst.error = s3_err_msg;
3718 return;
3719 }
3720 str++;
3721
3722 if ((s3_skip_past_comma (&str) == (int) s3_FAIL)
3723 || (s3_data_op2 (&str, 10, _IMM5) == (int) s3_FAIL))
3724 return;
3725
3726 /* Set imm11 to opcode. */
3727 s3_inst.instruction |= (val & 0x1)
3728 | (((val >> 1 ) & 0x7) << 7)
3729 | (((val >> 4 ) & 0x1f) << 20);
3730 }
3731
3732 static void
3733 s3_do16_slli_srli (char *str)
3734 {
3735 s3_skip_whitespace (str);
3736
3737 if ((s3_reglow_required_here (&str, 5) == (int) s3_FAIL)
3738 || (s3_skip_past_comma (&str) == (int) s3_FAIL)
3739 || s3_data_op2 (&str, 0, _IMM5) == (int) s3_FAIL
3740 || s3_end_of_line (str) == (int) s3_FAIL)
3741 return;
3742 }
3743
3744 static void
3745 s3_do16_ldiu (char *str)
3746 {
3747 s3_skip_whitespace (str);
3748
3749 if ((s3_reg_required_here (&str, 5,s3_REG_TYPE_SCORE) == (int) s3_FAIL)
3750 || (s3_skip_past_comma (&str) == (int) s3_FAIL)
3751 || s3_data_op2 (&str, 0, _IMM5) == (int) s3_FAIL
3752 || s3_end_of_line (str) == (int) s3_FAIL)
3753 return;
3754 }
3755
3756 static void
3757 s3_do16_push_pop (char *str)
3758 {
3759 s3_skip_whitespace (str);
3760 if ((s3_reg_required_here (&str, 0, s3_REG_TYPE_SCORE)) == (int) s3_FAIL
3761 || s3_end_of_line (str) == (int) s3_FAIL)
3762 return;
3763 }
3764
3765 static void
3766 s3_do16_rpush (char *str)
3767 {
3768 int reg;
3769 int val;
3770 s3_skip_whitespace (str);
3771 if ((reg = (s3_reg_required_here (&str, 5, s3_REG_TYPE_SCORE))) == (int) s3_FAIL
3772 || s3_skip_past_comma (&str) == (int) s3_FAIL
3773 || s3_data_op2 (&str, 0, _IMM5_MULTI_LOAD) == (int) s3_FAIL
3774 || s3_end_of_line (str) == (int) s3_FAIL)
3775 return;
3776
3777 /* 0: indicate 32.
3778 1: invalide value.
3779 2: to 31: normal value. */
3780 val = s3_inst.instruction & 0x1f;
3781 if (val == 1)
3782 {
3783 s3_inst.error = _("imm5 should >= 2");
3784 return;
3785 }
3786 if (reg >= 32)
3787 {
3788 s3_inst.error = _("reg should <= 31");
3789 return;
3790 }
3791 }
3792
3793 static void
3794 s3_do16_rpop (char *str)
3795 {
3796 int reg;
3797 int val;
3798 s3_skip_whitespace (str);
3799 if ((reg = (s3_reg_required_here (&str, 5, s3_REG_TYPE_SCORE))) == (int) s3_FAIL
3800 || s3_skip_past_comma (&str) == (int) s3_FAIL
3801 || s3_data_op2 (&str, 0, _IMM5_MULTI_LOAD) == (int) s3_FAIL
3802 || s3_end_of_line (str) == (int) s3_FAIL)
3803 return;
3804
3805 /* 0: indicate 32.
3806 1: invalide value.
3807 2: to 31: normal value. */
3808 val = s3_inst.instruction & 0x1f;
3809 if (val == 1)
3810 {
3811 s3_inst.error = _("imm5 should >= 2");
3812 return;
3813 }
3814
3815 if (reg >= 32)
3816 {
3817 s3_inst.error = _("reg should <= 31");
3818 return;
3819 }
3820 else
3821 {
3822 if ((reg + val) <= 32)
3823 reg = reg + val - 1;
3824 else
3825 reg = reg + val - 33;
3826 s3_inst.instruction &= 0x7c1f;
3827 s3_inst.instruction |= (reg << 5);
3828 return;
3829 }
3830 }
3831
3832 /* Handle lcb/lcw/lce/scb/scw/sce. */
3833 static void
3834 s3_do_ldst_unalign (char *str)
3835 {
3836 int conflict_reg;
3837
3838 if (s3_university_version == 1)
3839 {
3840 s3_inst.error = s3_ERR_FOR_SCORE5U_ATOMIC;
3841 return;
3842 }
3843
3844 s3_skip_whitespace (str);
3845
3846 /* lcb/scb [rA]+. */
3847 if (*str == '[')
3848 {
3849 str++;
3850 s3_skip_whitespace (str);
3851
3852 if (s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL)
3853 return;
3854
3855 if (*str++ == ']')
3856 {
3857 if (*str++ != '+')
3858 {
3859 s3_inst.error = _("missing +");
3860 return;
3861 }
3862 }
3863 else
3864 {
3865 s3_inst.error = _("missing ]");
3866 return;
3867 }
3868
3869 if (s3_end_of_line (str) == (int) s3_FAIL)
3870 return;
3871 }
3872 /* lcw/lce/scb/sce rD, [rA]+. */
3873 else
3874 {
3875 if (((conflict_reg = s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
3876 || (s3_skip_past_comma (&str) == (int) s3_FAIL))
3877 {
3878 return;
3879 }
3880
3881 s3_skip_whitespace (str);
3882 if (*str++ == '[')
3883 {
3884 int reg;
3885
3886 s3_skip_whitespace (str);
3887 if ((reg = s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
3888 {
3889 return;
3890 }
3891
3892 /* Conflicts can occur on stores as well as loads. */
3893 conflict_reg = (conflict_reg == reg);
3894 s3_skip_whitespace (str);
3895 if (*str++ == ']')
3896 {
3897 unsigned int ldst_func = s3_inst.instruction & LDST_UNALIGN_MASK;
3898
3899 if (*str++ == '+')
3900 {
3901 if (conflict_reg)
3902 {
3903 as_warn (_("%s register same as write-back base"),
3904 ((ldst_func & UA_LCE) || (ldst_func & UA_LCW)
3905 ? _("destination") : _("source")));
3906 }
3907 }
3908 else
3909 {
3910 s3_inst.error = _("missing +");
3911 return;
3912 }
3913
3914 if (s3_end_of_line (str) == (int) s3_FAIL)
3915 return;
3916 }
3917 else
3918 {
3919 s3_inst.error = _("missing ]");
3920 return;
3921 }
3922 }
3923 else
3924 {
3925 s3_inst.error = s3_BAD_ARGS;
3926 return;
3927 }
3928 }
3929 }
3930
3931 /* Handle alw/asw. */
3932 static void
3933 s3_do_ldst_atomic (char *str)
3934 {
3935 if (s3_university_version == 1)
3936 {
3937 s3_inst.error = s3_ERR_FOR_SCORE5U_ATOMIC;
3938 return;
3939 }
3940
3941 s3_skip_whitespace (str);
3942
3943 if ((s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL)
3944 || (s3_skip_past_comma (&str) == (int) s3_FAIL))
3945 {
3946 return;
3947 }
3948 else
3949 {
3950
3951 s3_skip_whitespace (str);
3952 if (*str++ == '[')
3953 {
3954 int reg;
3955
3956 s3_skip_whitespace (str);
3957 if ((reg = s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
3958 {
3959 return;
3960 }
3961
3962 s3_skip_whitespace (str);
3963 if (*str++ != ']')
3964 {
3965 s3_inst.error = _("missing ]");
3966 return;
3967 }
3968
3969 s3_end_of_line (str);
3970 }
3971 else
3972 s3_inst.error = s3_BAD_ARGS;
3973 }
3974 }
3975
3976 static void
3977 s3_build_relax_frag (struct s3_score_it fix_insts[s3_RELAX_INST_NUM], int fix_num ATTRIBUTE_UNUSED,
3978 struct s3_score_it var_insts[s3_RELAX_INST_NUM], int var_num,
3979 symbolS *add_symbol)
3980 {
3981 int i;
3982 char *p;
3983 fixS *fixp = NULL;
3984 fixS *cur_fixp = NULL;
3985 long where;
3986 struct s3_score_it inst_main;
3987
3988 memcpy (&inst_main, &fix_insts[0], sizeof (struct s3_score_it));
3989
3990 /* Adjust instruction opcode and to be relaxed instruction opcode. */
3991 inst_main.instruction = s3_adjust_paritybit (inst_main.instruction, s3_GET_INSN_CLASS (inst_main.type));
3992 inst_main.type = Insn_PIC;
3993
3994 for (i = 0; i < var_num; i++)
3995 {
3996 inst_main.relax_size += var_insts[i].size;
3997 var_insts[i].instruction = s3_adjust_paritybit (var_insts[i].instruction,
3998 s3_GET_INSN_CLASS (var_insts[i].type));
3999 }
4000
4001 /* Check data dependency. */
4002 s3_handle_dependency (&inst_main);
4003
4004 /* Start a new frag if frag_now is not empty. */
4005 if (frag_now_fix () != 0)
4006 {
4007 if (!frag_now->tc_frag_data.is_insn)
4008 {
4009 frag_wane (frag_now);
4010 }
4011 frag_new (0);
4012 }
4013 frag_grow (20);
4014
4015 /* Write fr_fix part. */
4016 p = frag_more (inst_main.size);
4017 s3_md_number_to_chars (p, inst_main.instruction, inst_main.size);
4018
4019 if (inst_main.reloc.type != BFD_RELOC_NONE)
4020 fixp = s3_fix_new_score (frag_now, p - frag_now->fr_literal, inst_main.size,
4021 &inst_main.reloc.exp, inst_main.reloc.pc_rel, inst_main.reloc.type);
4022
4023 frag_now->tc_frag_data.fixp = fixp;
4024 cur_fixp = frag_now->tc_frag_data.fixp;
4025
4026 #ifdef OBJ_ELF
4027 dwarf2_emit_insn (inst_main.size);
4028 #endif
4029
4030 where = p - frag_now->fr_literal + inst_main.size;
4031 for (i = 0; i < var_num; i++)
4032 {
4033 if (i > 0)
4034 where += var_insts[i - 1].size;
4035
4036 if (var_insts[i].reloc.type != BFD_RELOC_NONE)
4037 {
4038 fixp = s3_fix_new_score (frag_now, where, var_insts[i].size,
4039 &var_insts[i].reloc.exp, var_insts[i].reloc.pc_rel,
4040 var_insts[i].reloc.type);
4041 if (fixp)
4042 {
4043 if (cur_fixp)
4044 {
4045 cur_fixp->fx_next = fixp;
4046 cur_fixp = cur_fixp->fx_next;
4047 }
4048 else
4049 {
4050 frag_now->tc_frag_data.fixp = fixp;
4051 cur_fixp = frag_now->tc_frag_data.fixp;
4052 }
4053 }
4054 }
4055 }
4056
4057 p = frag_var (rs_machine_dependent, inst_main.relax_size + s3_RELAX_PAD_BYTE, 0,
4058 s3_RELAX_ENCODE (inst_main.size, inst_main.relax_size, inst_main.type,
4059 0, inst_main.size, 0), add_symbol, 0, NULL);
4060
4061 /* Write fr_var part.
4062 no calling s3_gen_insn_frag, no fixS will be generated. */
4063 for (i = 0; i < var_num; i++)
4064 {
4065 s3_md_number_to_chars (p, var_insts[i].instruction, var_insts[i].size);
4066 p += var_insts[i].size;
4067 }
4068 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4069 s3_inst.bwarn = -1;
4070 }
4071
4072 /* Build a relax frag for la instruction when generating s3_PIC,
4073 external symbol first and local symbol second. */
4074 static void
4075 s3_build_la_pic (int reg_rd, expressionS exp)
4076 {
4077 symbolS *add_symbol = exp.X_add_symbol;
4078 offsetT add_number = exp.X_add_number;
4079 struct s3_score_it fix_insts[s3_RELAX_INST_NUM];
4080 struct s3_score_it var_insts[s3_RELAX_INST_NUM];
4081 int fix_num = 0;
4082 int var_num = 0;
4083 char tmp[s3_MAX_LITERAL_POOL_SIZE];
4084 int r1_bak;
4085
4086 r1_bak = s3_nor1;
4087 s3_nor1 = 0;
4088
4089 if (add_number == 0)
4090 {
4091 fix_num = 1;
4092 var_num = 2;
4093
4094 /* For an external symbol, only one insn is generated;
4095 For a local symbol, two insns are generated. */
4096 /* Fix part
4097 For an external symbol: lw rD, <sym>($gp)
4098 (BFD_RELOC_SCORE_GOT15 or BFD_RELOC_SCORE_CALL15) */
4099 sprintf (tmp, "lw_pic r%d, %s", reg_rd, add_symbol->bsym->name);
4100 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4101 return;
4102
4103 if (reg_rd == s3_PIC_CALL_REG)
4104 s3_inst.reloc.type = BFD_RELOC_SCORE_CALL15;
4105 memcpy (&fix_insts[0], &s3_inst, sizeof (struct s3_score_it));
4106
4107 /* Var part
4108 For a local symbol :
4109 lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15)
4110 addi rD, <sym> (BFD_RELOC_GOT_LO16) */
4111 s3_inst.reloc.type = BFD_RELOC_SCORE_GOT15;
4112 memcpy (&var_insts[0], &s3_inst, sizeof (struct s3_score_it));
4113 sprintf (tmp, "addi_s_pic r%d, %s", reg_rd, add_symbol->bsym->name);
4114 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4115 return;
4116
4117 memcpy (&var_insts[1], &s3_inst, sizeof (struct s3_score_it));
4118 s3_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol);
4119 }
4120 else if (add_number >= -0x8000 && add_number <= 0x7fff)
4121 {
4122 /* Insn 1: lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15) */
4123 sprintf (tmp, "lw_pic r%d, %s", reg_rd, add_symbol->bsym->name);
4124 if (s3_append_insn (tmp, TRUE) == (int) s3_FAIL)
4125 return;
4126
4127 /* Insn 2 */
4128 fix_num = 1;
4129 var_num = 1;
4130 /* Fix part
4131 For an external symbol: addi rD, <constant> */
4132 sprintf (tmp, "addi r%d, %d", reg_rd, (int)add_number);
4133 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4134 return;
4135
4136 memcpy (&fix_insts[0], &s3_inst, sizeof (struct s3_score_it));
4137
4138 /* Var part
4139 For a local symbol: addi rD, <sym>+<constant> (BFD_RELOC_GOT_LO16) */
4140 sprintf (tmp, "addi_s_pic r%d, %s + %d", reg_rd, add_symbol->bsym->name, (int)add_number);
4141 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4142 return;
4143
4144 memcpy (&var_insts[0], &s3_inst, sizeof (struct s3_score_it));
4145 s3_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol);
4146 }
4147 else
4148 {
4149 int hi = (add_number >> 16) & 0x0000FFFF;
4150 int lo = add_number & 0x0000FFFF;
4151
4152 /* Insn 1: lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15) */
4153 sprintf (tmp, "lw_pic r%d, %s", reg_rd, add_symbol->bsym->name);
4154 if (s3_append_insn (tmp, TRUE) == (int) s3_FAIL)
4155 return;
4156
4157 /* Insn 2 */
4158 fix_num = 1;
4159 var_num = 1;
4160 /* Fix part
4161 For an external symbol: ldis r1, HI%<constant> */
4162 sprintf (tmp, "ldis r1, %d", hi);
4163 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4164 return;
4165
4166 memcpy (&fix_insts[0], &s3_inst, sizeof (struct s3_score_it));
4167
4168 /* Var part
4169 For a local symbol: ldis r1, HI%<constant>
4170 but, if lo is outof 16 bit, make hi plus 1 */
4171 if ((lo < -0x8000) || (lo > 0x7fff))
4172 {
4173 hi += 1;
4174 }
4175 sprintf (tmp, "ldis_pic r1, %d", hi);
4176 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4177 return;
4178
4179 memcpy (&var_insts[0], &s3_inst, sizeof (struct s3_score_it));
4180 s3_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol);
4181
4182 /* Insn 3 */
4183 fix_num = 1;
4184 var_num = 1;
4185 /* Fix part
4186 For an external symbol: ori r1, LO%<constant> */
4187 sprintf (tmp, "ori r1, %d", lo);
4188 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4189 return;
4190
4191 memcpy (&fix_insts[0], &s3_inst, sizeof (struct s3_score_it));
4192
4193 /* Var part
4194 For a local symbol: addi r1, <sym>+LO%<constant> (BFD_RELOC_GOT_LO16) */
4195 sprintf (tmp, "addi_u_pic r1, %s + %d", add_symbol->bsym->name, lo);
4196 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4197 return;
4198
4199 memcpy (&var_insts[0], &s3_inst, sizeof (struct s3_score_it));
4200 s3_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol);
4201
4202 /* Insn 4: add rD, rD, r1 */
4203 sprintf (tmp, "add r%d, r%d, r1", reg_rd, reg_rd);
4204 if (s3_append_insn (tmp, TRUE) == (int) s3_FAIL)
4205 return;
4206
4207 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4208 s3_inst.bwarn = -1;
4209 }
4210
4211 s3_nor1 = r1_bak;
4212 }
4213
4214 /* Handle la. */
4215 static void
4216 s3_do_macro_la_rdi32 (char *str)
4217 {
4218 int reg_rd;
4219
4220 s3_skip_whitespace (str);
4221 if ((reg_rd = s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE)) == (int) s3_FAIL
4222 || s3_skip_past_comma (&str) == (int) s3_FAIL)
4223 {
4224 return;
4225 }
4226 else
4227 {
4228 /* Save str. */
4229 char *keep_data = str;
4230 char append_str[s3_MAX_LITERAL_POOL_SIZE];
4231
4232 /* Check immediate value. */
4233 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL)
4234 {
4235 s3_inst.error = _("expression error");
4236 return;
4237 }
4238 else if ((s3_inst.reloc.exp.X_add_symbol == NULL)
4239 && (s3_validate_immediate (s3_inst.reloc.exp.X_add_number, _IMM32, 0) == (int) s3_FAIL))
4240 {
4241 s3_inst.error = _("value not in range [0, 0xffffffff]");
4242 return;
4243 }
4244
4245 /* Reset str. */
4246 str = keep_data;
4247
4248 /* la rd, simm16. */
4249 if (s3_data_op2 (&str, 1, _SIMM16_LA) != (int) s3_FAIL)
4250 {
4251 s3_end_of_line (str);
4252 return;
4253 }
4254 /* la rd, imm32 or la rd, label. */
4255 else
4256 {
4257 s3_SET_INSN_ERROR (NULL);
4258 /* Reset str. */
4259 str = keep_data;
4260 if ((s3_data_op2 (&str, 1, _VALUE_HI16) == (int) s3_FAIL)
4261 || (s3_end_of_line (str) == (int) s3_FAIL))
4262 {
4263 return;
4264 }
4265 else
4266 {
4267 if ((s3_score_pic == s3_NO_PIC) || (!s3_inst.reloc.exp.X_add_symbol))
4268 {
4269 sprintf (append_str, "ld_i32hi r%d, %s", reg_rd, keep_data);
4270 if (s3_append_insn (append_str, TRUE) == (int) s3_FAIL)
4271 return;
4272
4273 sprintf (append_str, "ld_i32lo r%d, %s", reg_rd, keep_data);
4274 if (s3_append_insn (append_str, TRUE) == (int) s3_FAIL)
4275 return;
4276 }
4277 else
4278 {
4279 gas_assert (s3_inst.reloc.exp.X_add_symbol);
4280 s3_build_la_pic (reg_rd, s3_inst.reloc.exp);
4281 }
4282
4283 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4284 s3_inst.bwarn = -1;
4285 }
4286 }
4287 }
4288 }
4289
4290 /* Handle li. */
4291 static void
4292 s3_do_macro_li_rdi32 (char *str)
4293 {
4294
4295 int reg_rd;
4296
4297 s3_skip_whitespace (str);
4298 if ((reg_rd = s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE)) == (int) s3_FAIL
4299 || s3_skip_past_comma (&str) == (int) s3_FAIL)
4300 {
4301 return;
4302 }
4303 else
4304 {
4305 /* Save str. */
4306 char *keep_data = str;
4307
4308 /* Check immediate value. */
4309 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL)
4310 {
4311 s3_inst.error = _("expression error");
4312 return;
4313 }
4314 else if (!(s3_inst.reloc.exp.X_add_number >= -0xffffffffLL
4315 && s3_inst.reloc.exp.X_add_number <= 0xffffffffLL))
4316 {
4317 s3_inst.error = _("value not in range [-0xffffffff, 0xffffffff]");
4318 return;
4319 }
4320
4321 /* Reset str. */
4322 str = keep_data;
4323
4324 /* li rd, simm16. */
4325 if (s3_data_op2 (&str, 1, _SIMM16_LA) != (int) s3_FAIL)
4326 {
4327 s3_end_of_line (str);
4328 return;
4329 }
4330 /* li rd, imm32. */
4331 else
4332 {
4333 char append_str[s3_MAX_LITERAL_POOL_SIZE];
4334
4335 /* Reset str. */
4336 str = keep_data;
4337
4338 if ((s3_data_op2 (&str, 1, _VALUE_HI16) == (int) s3_FAIL)
4339 || (s3_end_of_line (str) == (int) s3_FAIL))
4340 {
4341 return;
4342 }
4343 else if (s3_inst.reloc.exp.X_add_symbol)
4344 {
4345 s3_inst.error = _("li rd label isn't correct instruction form");
4346 return;
4347 }
4348 else
4349 {
4350 sprintf (append_str, "ld_i32hi r%d, %s", reg_rd, keep_data);
4351
4352 if (s3_append_insn (append_str, TRUE) == (int) s3_FAIL)
4353 return;
4354 else
4355 {
4356 sprintf (append_str, "ld_i32lo r%d, %s", reg_rd, keep_data);
4357 if (s3_append_insn (append_str, TRUE) == (int) s3_FAIL)
4358 return;
4359
4360 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4361 s3_inst.bwarn = -1;
4362 }
4363 }
4364 }
4365 }
4366 }
4367
4368 /* Handle mul/mulu/div/divu/rem/remu. */
4369 static void
4370 s3_do_macro_mul_rdrsrs (char *str)
4371 {
4372 int reg_rd;
4373 int reg_rs1;
4374 int reg_rs2;
4375 char *backupstr;
4376 char append_str[s3_MAX_LITERAL_POOL_SIZE];
4377
4378 if (s3_university_version == 1)
4379 as_warn ("%s", s3_ERR_FOR_SCORE5U_MUL_DIV);
4380
4381 strcpy (append_str, str);
4382 backupstr = append_str;
4383 s3_skip_whitespace (backupstr);
4384 if (((reg_rd = s3_reg_required_here (&backupstr, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
4385 || (s3_skip_past_comma (&backupstr) == (int) s3_FAIL)
4386 || ((reg_rs1 = s3_reg_required_here (&backupstr, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL))
4387 {
4388 s3_inst.error = s3_BAD_ARGS;
4389 return;
4390 }
4391
4392 if (s3_skip_past_comma (&backupstr) == (int) s3_FAIL)
4393 {
4394 /* rem/remu rA, rB is error format. */
4395 if (strcmp (s3_inst.name, "rem") == 0 || strcmp (s3_inst.name, "remu") == 0)
4396 {
4397 s3_SET_INSN_ERROR (s3_BAD_ARGS);
4398 }
4399 else
4400 {
4401 s3_SET_INSN_ERROR (NULL);
4402 s3_do_rsrs (str);
4403 }
4404 return;
4405 }
4406 else
4407 {
4408 s3_SET_INSN_ERROR (NULL);
4409 if (((reg_rs2 = s3_reg_required_here (&backupstr, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
4410 || (s3_end_of_line (backupstr) == (int) s3_FAIL))
4411 {
4412 return;
4413 }
4414 else
4415 {
4416 char append_str1[s3_MAX_LITERAL_POOL_SIZE];
4417
4418 if (strcmp (s3_inst.name, "rem") == 0)
4419 {
4420 sprintf (append_str, "mul r%d, r%d", reg_rs1, reg_rs2);
4421 sprintf (append_str1, "mfceh r%d", reg_rd);
4422 }
4423 else if (strcmp (s3_inst.name, "remu") == 0)
4424 {
4425 sprintf (append_str, "mulu r%d, r%d", reg_rs1, reg_rs2);
4426 sprintf (append_str1, "mfceh r%d", reg_rd);
4427 }
4428 else
4429 {
4430 sprintf (append_str, "%s r%d, r%d", s3_inst.name, reg_rs1, reg_rs2);
4431 sprintf (append_str1, "mfcel r%d", reg_rd);
4432 }
4433
4434 /* Output mul/mulu or div/divu or rem/remu. */
4435 if (s3_append_insn (append_str, TRUE) == (int) s3_FAIL)
4436 return;
4437
4438 /* Output mfcel or mfceh. */
4439 if (s3_append_insn (append_str1, TRUE) == (int) s3_FAIL)
4440 return;
4441
4442 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4443 s3_inst.bwarn = -1;
4444 }
4445 }
4446 }
4447
4448 static void
4449 s3_exp_macro_ldst_abs (char *str)
4450 {
4451 int reg_rd;
4452 char *backupstr, *tmp;
4453 char append_str[s3_MAX_LITERAL_POOL_SIZE];
4454 char verifystr[s3_MAX_LITERAL_POOL_SIZE];
4455 struct s3_score_it inst_backup;
4456 int r1_bak = 0;
4457
4458 r1_bak = s3_nor1;
4459 s3_nor1 = 0;
4460 memcpy (&inst_backup, &s3_inst, sizeof (struct s3_score_it));
4461
4462 strcpy (verifystr, str);
4463 backupstr = verifystr;
4464 s3_skip_whitespace (backupstr);
4465 if ((reg_rd = s3_reg_required_here (&backupstr, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
4466 return;
4467
4468 tmp = backupstr;
4469 if (s3_skip_past_comma (&backupstr) == (int) s3_FAIL)
4470 return;
4471
4472 backupstr = tmp;
4473 sprintf (append_str, "li r1 %s", backupstr);
4474 s3_append_insn (append_str, TRUE);
4475
4476 memcpy (&s3_inst, &inst_backup, sizeof (struct s3_score_it));
4477 sprintf (append_str, " r%d, [r1,0]", reg_rd);
4478 s3_do_ldst_insn (append_str);
4479
4480 s3_nor1 = r1_bak;
4481 }
4482
4483 /* Handle bcmpeq / bcmpne */
4484 static void
4485 s3_do_macro_bcmp (char *str)
4486 {
4487 int reg_a , reg_b;
4488 char keep_data[s3_MAX_LITERAL_POOL_SIZE];
4489 char* ptemp;
4490 int i = 0;
4491 struct s3_score_it inst_expand[2];
4492 struct s3_score_it inst_main;
4493
4494 memset (inst_expand, 0, sizeof inst_expand);
4495 s3_skip_whitespace (str);
4496 if (( reg_a = s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE)) == (int) s3_FAIL
4497 || s3_skip_past_comma (&str) == (int) s3_FAIL
4498 ||(reg_b = s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE)) == (int) s3_FAIL
4499 || s3_skip_past_comma (&str) == (int) s3_FAIL)
4500 return;
4501 ptemp = str;
4502 while (*ptemp != 0)
4503 {
4504 keep_data[i] = *ptemp;
4505 i++;
4506 ptemp++;
4507 }
4508 keep_data[i] = 0;
4509 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL
4510 ||reg_b == 0
4511 || s3_end_of_line (str) == (int) s3_FAIL)
4512 return;
4513 else if (s3_inst.reloc.exp.X_add_symbol == 0)
4514 {
4515 s3_inst.error = _("lacking label ");
4516 return;
4517 }
4518 else
4519 {
4520 char append_str[s3_MAX_LITERAL_POOL_SIZE];
4521 s3_SET_INSN_ERROR (NULL);
4522
4523 s3_inst.reloc.type = BFD_RELOC_SCORE_BCMP;
4524 s3_inst.reloc.pc_rel = 1;
4525 bfd_signed_vma val = s3_inst.reloc.exp.X_add_number;
4526
4527 /* Branch 32 offset field : 20 bit, 16 bit branch offset field : 8 bit. */
4528 s3_inst.instruction |= ((s3_inst.reloc.exp.X_add_number >> 1) & 0x1)
4529 | ((s3_inst.reloc.exp.X_add_number >> 2) & 0x7) << 7
4530 | ((s3_inst.reloc.exp.X_add_number >> 5) & 0x1f) << 20;
4531
4532 /* Check and set offset. */
4533 if (((val & 0xfffffe00) != 0)
4534 && ((val & 0xfffffe00) != 0xfffffe00))
4535 {
4536 /* support bcmp --> cmp!+beq (bne) */
4537 if (s3_score_pic == s3_NO_PIC)
4538 {
4539 sprintf (&append_str[0], "cmp! r%d, r%d", reg_a, reg_b);
4540 if (s3_append_insn (&append_str[0], TRUE) == (int) s3_FAIL)
4541 return;
4542 if ((inst_main.instruction & 0x3e00007e) == 0x0000004c)
4543 sprintf (&append_str[1], "beq %s", keep_data);
4544 else
4545 sprintf (&append_str[1], "bne %s", keep_data);
4546 if (s3_append_insn (&append_str[1], TRUE) == (int) s3_FAIL)
4547 return;
4548 }
4549 else
4550 {
4551 gas_assert (s3_inst.reloc.exp.X_add_symbol);
4552 }
4553 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4554 s3_inst.bwarn = -1;
4555 return;
4556 }
4557 else
4558 {
4559 val >>= 1;
4560 s3_inst.instruction |= (val & 0x1)
4561 | (((val >> 1) & 0x7) << 7)
4562 | (((val >> 4) & 0x1f) << 20);
4563 }
4564
4565 /* Backup s3_inst. */
4566 memcpy (&inst_main, &s3_inst, sizeof (struct s3_score_it));
4567
4568 if (s3_score_pic == s3_NO_PIC)
4569 {
4570 sprintf (&append_str[0], "cmp! r%d, r%d", reg_a, reg_b);
4571 if (s3_append_insn (&append_str[0], FALSE) == (int) s3_FAIL)
4572 return;
4573 memcpy (&inst_expand[0], &s3_inst, sizeof (struct s3_score_it));
4574
4575 if ((inst_main.instruction & 0x3e00007e) == 0x0000004c)
4576 sprintf (&append_str[1], "beq %s", keep_data);
4577 else
4578 sprintf (&append_str[1], "bne %s", keep_data);
4579 if (s3_append_insn (&append_str[1], FALSE) == (int) s3_FAIL)
4580 return;
4581 memcpy (&inst_expand[1], &s3_inst, sizeof (struct s3_score_it));
4582 }
4583 else
4584 {
4585 gas_assert (s3_inst.reloc.exp.X_add_symbol);
4586 }
4587 inst_main.relax_size = inst_expand[0].size + inst_expand[1].size;
4588 inst_main.type = Insn_BCMP;
4589
4590 /* Adjust instruction opcode and to be relaxed instruction opcode. */
4591 inst_main.instruction = s3_adjust_paritybit (inst_main.instruction, s3_GET_INSN_CLASS (inst_main.type));
4592
4593 for (i = 0; i < 2; i++)
4594 inst_expand[i].instruction = s3_adjust_paritybit (inst_expand[i].instruction,
4595 s3_GET_INSN_CLASS (inst_expand[i].type));
4596 /* Check data dependency. */
4597 s3_handle_dependency (&inst_main);
4598 /* Start a new frag if frag_now is not empty. */
4599 if (frag_now_fix () != 0)
4600 {
4601 if (!frag_now->tc_frag_data.is_insn)
4602 frag_wane (frag_now);
4603 frag_new (0);
4604 }
4605 frag_grow (20);
4606
4607 /* Write fr_fix part. */
4608 char *p;
4609 p = frag_more (inst_main.size);
4610 s3_md_number_to_chars (p, inst_main.instruction, inst_main.size);
4611
4612 if (inst_main.reloc.type != BFD_RELOC_NONE)
4613 {
4614 s3_fix_new_score (frag_now, p - frag_now->fr_literal, inst_main.size,
4615 &inst_main.reloc.exp, inst_main.reloc.pc_rel, inst_main.reloc.type);
4616 }
4617 #ifdef OBJ_ELF
4618 dwarf2_emit_insn (inst_main.size);
4619 #endif
4620
4621 /* s3_GP instruction can not do optimization, only can do relax between
4622 1 instruction and 3 instructions. */
4623 p = frag_var (rs_machine_dependent, inst_main.relax_size + s3_RELAX_PAD_BYTE, 0,
4624 s3_RELAX_ENCODE (inst_main.size, inst_main.relax_size, inst_main.type, 0, 4, 1),
4625 inst_main.reloc.exp.X_add_symbol, 0, NULL);
4626
4627 /* Write fr_var part.
4628 no calling s3_gen_insn_frag, no fixS will be generated. */
4629 s3_md_number_to_chars (p, inst_expand[0].instruction, inst_expand[0].size);
4630 p += inst_expand[0].size;
4631 s3_md_number_to_chars (p, inst_expand[1].instruction, inst_expand[1].size);
4632 p += inst_expand[1].size;
4633
4634 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4635 s3_inst.bwarn = -1;
4636 }
4637 }
4638
4639 /* Handle bcmpeqz / bcmpnez */
4640 static void
4641 s3_do_macro_bcmpz (char *str)
4642 {
4643 int reg_a;
4644 char keep_data[s3_MAX_LITERAL_POOL_SIZE];
4645 char* ptemp;
4646 int i = 0;
4647 struct s3_score_it inst_expand[2];
4648 struct s3_score_it inst_main;
4649
4650 memset (inst_expand, 0, sizeof inst_expand);
4651 s3_skip_whitespace (str);
4652 if (( reg_a = s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE)) == (int) s3_FAIL
4653 || s3_skip_past_comma (&str) == (int) s3_FAIL)
4654 return;
4655 ptemp = str;
4656 while (*ptemp != 0)
4657 {
4658 keep_data[i] = *ptemp;
4659 i++;
4660 ptemp++;
4661 }
4662
4663 keep_data[i] = 0;
4664
4665 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL
4666 || s3_end_of_line (str) == (int) s3_FAIL)
4667 return;
4668 else if (s3_inst.reloc.exp.X_add_symbol == 0)
4669 {
4670 s3_inst.error = _("lacking label ");
4671 return;
4672 }
4673 else
4674 {
4675 char append_str[s3_MAX_LITERAL_POOL_SIZE];
4676 s3_SET_INSN_ERROR (NULL);
4677 s3_inst.reloc.type = BFD_RELOC_SCORE_BCMP;
4678 s3_inst.reloc.pc_rel = 1;
4679 bfd_signed_vma val = s3_inst.reloc.exp.X_add_number;
4680
4681 /* Branch 32 offset field : 20 bit, 16 bit branch offset field : 8 bit. */
4682 s3_inst.instruction |= ((s3_inst.reloc.exp.X_add_number>>1) & 0x1) | ((s3_inst.reloc.exp.X_add_number>>2) & 0x7)<<7 |((s3_inst.reloc.exp.X_add_number>>5) & 0x1f)<<20;
4683
4684 /* Check and set offset. */
4685 if (((val & 0xfffffe00) != 0)
4686 && ((val & 0xfffffe00) != 0xfffffe00))
4687 {
4688 if (s3_score_pic == s3_NO_PIC)
4689 {
4690 sprintf (&append_str[0], "cmpi! r%d,0", reg_a);
4691 if (s3_append_insn (&append_str[0], TRUE) == (int) s3_FAIL)
4692 return;
4693 if ((inst_main.instruction & 0x3e00007e) == 0x0000004c)
4694 sprintf (&append_str[1], "beq %s", keep_data);
4695 else
4696 sprintf (&append_str[1], "bne %s", keep_data);
4697 if (s3_append_insn (&append_str[1], TRUE) == (int) s3_FAIL)
4698 return;
4699 }
4700 else
4701 {
4702 gas_assert (s3_inst.reloc.exp.X_add_symbol);
4703 }
4704 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4705 s3_inst.bwarn = -1;
4706 return;
4707 }
4708 else
4709 {
4710 val >>= 1;
4711 s3_inst.instruction |= (val & 0x1)
4712 | (((val >> 1) & 0x7) << 7)
4713 | (((val >> 4) & 0x1f) << 20);
4714 }
4715
4716 /* Backup s3_inst. */
4717 memcpy (&inst_main, &s3_inst, sizeof (struct s3_score_it));
4718
4719 if (s3_score_pic == s3_NO_PIC)
4720 {
4721 sprintf (&append_str[0], "cmpi! r%d, 0", reg_a);
4722 if (s3_append_insn (&append_str[0], FALSE) == (int) s3_FAIL)
4723 return;
4724 memcpy (&inst_expand[0], &s3_inst, sizeof (struct s3_score_it));
4725 if ((inst_main.instruction & 0x3e00007e) == 0x0000004c)
4726 sprintf (&append_str[1], "beq %s", keep_data);
4727 else
4728 sprintf (&append_str[1], "bne %s", keep_data);
4729 if (s3_append_insn (&append_str[1], FALSE) == (int) s3_FAIL)
4730 return;
4731 memcpy (&inst_expand[1], &s3_inst, sizeof (struct s3_score_it));
4732 }
4733 else
4734 {
4735 gas_assert (s3_inst.reloc.exp.X_add_symbol);
4736 }
4737 inst_main.relax_size = inst_expand[0].size + inst_expand[1].size;
4738 inst_main.type = Insn_BCMP;
4739
4740 /* Adjust instruction opcode and to be relaxed instruction opcode. */
4741 inst_main.instruction = s3_adjust_paritybit (inst_main.instruction, s3_GET_INSN_CLASS (inst_main.type));
4742
4743 for (i = 0; i < 2; i++)
4744 inst_expand[i].instruction = s3_adjust_paritybit (inst_expand[i].instruction ,
4745 s3_GET_INSN_CLASS (inst_expand[i].type));
4746 /* Check data dependency. */
4747 s3_handle_dependency (&inst_main);
4748 /* Start a new frag if frag_now is not empty. */
4749 if (frag_now_fix () != 0)
4750 {
4751 if (!frag_now->tc_frag_data.is_insn)
4752 frag_wane (frag_now);
4753 frag_new (0);
4754 }
4755 frag_grow (20);
4756
4757 /* Write fr_fix part. */
4758 char *p;
4759 p = frag_more (inst_main.size);
4760 s3_md_number_to_chars (p, inst_main.instruction, inst_main.size);
4761
4762 if (inst_main.reloc.type != BFD_RELOC_NONE)
4763 {
4764 s3_fix_new_score (frag_now, p - frag_now->fr_literal, inst_main.size,
4765 &inst_main.reloc.exp, inst_main.reloc.pc_rel, inst_main.reloc.type);
4766 }
4767 #ifdef OBJ_ELF
4768 dwarf2_emit_insn (inst_main.size);
4769 #endif
4770
4771 /* s3_GP instruction can not do optimization, only can do relax between
4772 1 instruction and 3 instructions. */
4773 p = frag_var (rs_machine_dependent, inst_main.relax_size + s3_RELAX_PAD_BYTE, 0,
4774 s3_RELAX_ENCODE (inst_main.size, inst_main.relax_size, inst_main.type, 0, 4, 1),
4775 inst_main.reloc.exp.X_add_symbol, 0, NULL);
4776
4777 /* Write fr_var part.
4778 no calling s3_gen_insn_frag, no fixS will be generated. */
4779 s3_md_number_to_chars (p, inst_expand[0].instruction, inst_expand[0].size);
4780 p += inst_expand[0].size;
4781 s3_md_number_to_chars (p, inst_expand[1].instruction, inst_expand[1].size);
4782 p += inst_expand[1].size;
4783
4784 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4785 s3_inst.bwarn = -1;
4786 }
4787 }
4788
4789 static int
4790 s3_nopic_need_relax (symbolS * sym, int before_relaxing)
4791 {
4792 if (sym == NULL)
4793 return 0;
4794 else if (s3_USE_GLOBAL_POINTER_OPT && s3_g_switch_value > 0)
4795 {
4796 const char *symname;
4797 const char *segname;
4798
4799 /* Find out whether this symbol can be referenced off the $gp
4800 register. It can be if it is smaller than the -G size or if
4801 it is in the .sdata or .sbss section. Certain symbols can
4802 not be referenced off the $gp, although it appears as though
4803 they can. */
4804 symname = S_GET_NAME (sym);
4805 if (symname != (const char *)NULL
4806 && (strcmp (symname, "eprol") == 0
4807 || strcmp (symname, "etext") == 0
4808 || strcmp (symname, "_gp") == 0
4809 || strcmp (symname, "edata") == 0
4810 || strcmp (symname, "_fbss") == 0
4811 || strcmp (symname, "_fdata") == 0
4812 || strcmp (symname, "_ftext") == 0
4813 || strcmp (symname, "end") == 0
4814 || strcmp (symname, GP_DISP_LABEL) == 0))
4815 {
4816 return 1;
4817 }
4818 else if ((!S_IS_DEFINED (sym) || S_IS_COMMON (sym)) && (0
4819 /* We must defer this decision until after the whole file has been read,
4820 since there might be a .extern after the first use of this symbol. */
4821 || (before_relaxing
4822 && S_GET_VALUE (sym) == 0)
4823 || (S_GET_VALUE (sym) != 0
4824 && S_GET_VALUE (sym) <= s3_g_switch_value)))
4825 {
4826 return 0;
4827 }
4828
4829 segname = segment_name (S_GET_SEGMENT (sym));
4830 return (strcmp (segname, ".sdata") != 0
4831 && strcmp (segname, ".sbss") != 0
4832 && strncmp (segname, ".sdata.", 7) != 0
4833 && strncmp (segname, ".gnu.linkonce.s.", 16) != 0);
4834 }
4835 /* We are not optimizing for the $gp register. */
4836 else
4837 return 1;
4838 }
4839
4840 /* Build a relax frag for lw/st instruction when generating s3_PIC,
4841 external symbol first and local symbol second. */
4842 static void
4843 s3_build_lwst_pic (int reg_rd, expressionS exp, const char *insn_name)
4844 {
4845 symbolS *add_symbol = exp.X_add_symbol;
4846 int add_number = exp.X_add_number;
4847 struct s3_score_it fix_insts[s3_RELAX_INST_NUM];
4848 struct s3_score_it var_insts[s3_RELAX_INST_NUM];
4849 int fix_num = 0;
4850 int var_num = 0;
4851 char tmp[s3_MAX_LITERAL_POOL_SIZE];
4852 int r1_bak;
4853
4854 r1_bak = s3_nor1;
4855 s3_nor1 = 0;
4856
4857 if ((add_number == 0) || (add_number >= -0x8000 && add_number <= 0x7fff))
4858 {
4859 fix_num = 1;
4860 var_num = 2;
4861
4862 /* For an external symbol, two insns are generated;
4863 For a local symbol, three insns are generated. */
4864 /* Fix part
4865 For an external symbol: lw rD, <sym>($gp)
4866 (BFD_RELOC_SCORE_GOT15) */
4867 sprintf (tmp, "lw_pic r1, %s", add_symbol->bsym->name);
4868 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4869 return;
4870
4871 memcpy (&fix_insts[0], &s3_inst, sizeof (struct s3_score_it));
4872
4873 /* Var part
4874 For a local symbol :
4875 lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15)
4876 addi rD, <sym> (BFD_RELOC_GOT_LO16) */
4877 s3_inst.reloc.type = BFD_RELOC_SCORE_GOT15;
4878 memcpy (&var_insts[0], &s3_inst, sizeof (struct s3_score_it));
4879 sprintf (tmp, "addi_s_pic r1, %s", add_symbol->bsym->name);
4880 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4881 return;
4882
4883 memcpy (&var_insts[1], &s3_inst, sizeof (struct s3_score_it));
4884 s3_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol);
4885
4886 /* Insn 2 or Insn 3: lw/st rD, [r1, constant] */
4887 sprintf (tmp, "%s r%d, [r1, %d]", insn_name, reg_rd, add_number);
4888 if (s3_append_insn (tmp, TRUE) == (int) s3_FAIL)
4889 return;
4890
4891 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4892 s3_inst.bwarn = -1;
4893 }
4894 else
4895 {
4896 s3_inst.error = _("s3_PIC code offset overflow (max 16 signed bits)");
4897 return;
4898 }
4899
4900 s3_nor1 = r1_bak;
4901 }
4902
4903 static void
4904 s3_do_macro_ldst_label (char *str)
4905 {
4906 int i;
4907 int ldst_gp_p = 0;
4908 int reg_rd;
4909 int r1_bak;
4910 char *backup_str;
4911 char *label_str;
4912 char *absolute_value;
4913 char append_str[3][s3_MAX_LITERAL_POOL_SIZE];
4914 char verifystr[s3_MAX_LITERAL_POOL_SIZE];
4915 struct s3_score_it inst_backup;
4916 struct s3_score_it inst_expand[3];
4917 struct s3_score_it inst_main;
4918
4919 memcpy (&inst_backup, &s3_inst, sizeof (struct s3_score_it));
4920 strcpy (verifystr, str);
4921 backup_str = verifystr;
4922
4923 s3_skip_whitespace (backup_str);
4924 if ((reg_rd = s3_reg_required_here (&backup_str, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
4925 return;
4926
4927 if (s3_skip_past_comma (&backup_str) == (int) s3_FAIL)
4928 return;
4929
4930 label_str = backup_str;
4931
4932 /* Ld/st rD, [rA, imm] ld/st rD, [rA]+, imm ld/st rD, [rA, imm]+. */
4933 if (*backup_str == '[')
4934 {
4935 s3_inst.type = Rd_rvalueRs_preSI12;
4936 s3_do_ldst_insn (str);
4937 return;
4938 }
4939
4940 /* Ld/st rD, imm. */
4941 absolute_value = backup_str;
4942 s3_inst.type = Rd_rvalueRs_SI15;
4943
4944 if (s3_my_get_expression (&s3_inst.reloc.exp, &backup_str) == (int) s3_FAIL)
4945 {
4946 s3_inst.error = _("expression error");
4947 return;
4948 }
4949 else if ((s3_inst.reloc.exp.X_add_symbol == NULL)
4950 && (s3_validate_immediate (s3_inst.reloc.exp.X_add_number, _VALUE, 0) == (int) s3_FAIL))
4951 {
4952 s3_inst.error = _("value not in range [0, 0x7fffffff]");
4953 return;
4954 }
4955 else if (s3_end_of_line (backup_str) == (int) s3_FAIL)
4956 {
4957 s3_inst.error = _("end on line error");
4958 return;
4959 }
4960 else
4961 {
4962 if (s3_inst.reloc.exp.X_add_symbol == 0)
4963 {
4964 memcpy (&s3_inst, &inst_backup, sizeof (struct s3_score_it));
4965 s3_exp_macro_ldst_abs (str);
4966 return;
4967 }
4968 }
4969
4970 /* Ld/st rD, label. */
4971 s3_inst.type = Rd_rvalueRs_SI15;
4972 backup_str = absolute_value;
4973 if ((s3_data_op2 (&backup_str, 1, _GP_IMM15) == (int) s3_FAIL)
4974 || (s3_end_of_line (backup_str) == (int) s3_FAIL))
4975 {
4976 return;
4977 }
4978 else
4979 {
4980 if (s3_inst.reloc.exp.X_add_symbol == 0)
4981 {
4982 if (!s3_inst.error)
4983 s3_inst.error = s3_BAD_ARGS;
4984
4985 return;
4986 }
4987
4988 if (s3_score_pic == s3_PIC)
4989 {
4990 int ldst_idx = 0;
4991 ldst_idx = s3_inst.instruction & OPC_PSEUDOLDST_MASK;
4992 s3_build_lwst_pic (reg_rd, s3_inst.reloc.exp,
4993 s3_score_ldst_insns[ldst_idx * 3 + 0].template_name);
4994 return;
4995 }
4996 else
4997 {
4998 if ((s3_inst.reloc.exp.X_add_number <= 0x3fff)
4999 && (s3_inst.reloc.exp.X_add_number >= -0x4000)
5000 && (!s3_nopic_need_relax (s3_inst.reloc.exp.X_add_symbol, 1)))
5001 {
5002 int ldst_idx = 0;
5003
5004 /* Assign the real opcode. */
5005 ldst_idx = s3_inst.instruction & OPC_PSEUDOLDST_MASK;
5006 s3_inst.instruction &= ~OPC_PSEUDOLDST_MASK;
5007 s3_inst.instruction |= s3_score_ldst_insns[ldst_idx * 3 + 0].value;
5008 s3_inst.instruction |= reg_rd << 20;
5009 s3_inst.instruction |= s3_GP << 15;
5010 s3_inst.relax_inst = 0x8000;
5011 s3_inst.relax_size = 0;
5012 ldst_gp_p = 1;
5013 }
5014 }
5015 }
5016
5017 /* Backup s3_inst. */
5018 memcpy (&inst_main, &s3_inst, sizeof (struct s3_score_it));
5019 r1_bak = s3_nor1;
5020 s3_nor1 = 0;
5021
5022 /* Determine which instructions should be output. */
5023 sprintf (append_str[0], "ld_i32hi r1, %s", label_str);
5024 sprintf (append_str[1], "ld_i32lo r1, %s", label_str);
5025 sprintf (append_str[2], "%s r%d, [r1, 0]", inst_backup.name, reg_rd);
5026
5027 /* Generate three instructions.
5028 la r1, label
5029 ld/st rd, [r1, 0] */
5030 for (i = 0; i < 3; i++)
5031 {
5032 if (s3_append_insn (append_str[i], FALSE) == (int) s3_FAIL)
5033 return;
5034
5035 memcpy (&inst_expand[i], &s3_inst, sizeof (struct s3_score_it));
5036 }
5037
5038 if (ldst_gp_p)
5039 {
5040 char *p;
5041
5042 /* Adjust instruction opcode and to be relaxed instruction opcode. */
5043 inst_main.instruction = s3_adjust_paritybit (inst_main.instruction, s3_GET_INSN_CLASS (inst_main.type));
5044
5045 /* relax lw rd, label -> ldis rs, imm16
5046 ori rd, imm16
5047 lw rd, [rs, imm15] or lw! rd, [rs, imm5]. */
5048 if (inst_expand[2].relax_size == 0)
5049 inst_main.relax_size = inst_expand[0].size + inst_expand[1].size + inst_expand[2].size;
5050 else
5051 inst_main.relax_size = inst_expand[0].size + inst_expand[1].size + inst_expand[2].relax_size;
5052
5053 inst_main.type = Insn_GP;
5054
5055 for (i = 0; i < 3; i++)
5056 inst_expand[i].instruction = s3_adjust_paritybit (inst_expand[i].instruction,
5057 s3_GET_INSN_CLASS (inst_expand[i].type));
5058
5059 /* Check data dependency. */
5060 s3_handle_dependency (&inst_main);
5061
5062 /* Start a new frag if frag_now is not empty. */
5063 if (frag_now_fix () != 0)
5064 {
5065 if (!frag_now->tc_frag_data.is_insn)
5066 frag_wane (frag_now);
5067
5068 frag_new (0);
5069 }
5070 frag_grow (20);
5071
5072 /* Write fr_fix part. */
5073 p = frag_more (inst_main.size);
5074 s3_md_number_to_chars (p, inst_main.instruction, inst_main.size);
5075
5076 if (inst_main.reloc.type != BFD_RELOC_NONE)
5077 {
5078 s3_fix_new_score (frag_now, p - frag_now->fr_literal, inst_main.size,
5079 &inst_main.reloc.exp, inst_main.reloc.pc_rel, inst_main.reloc.type);
5080 }
5081
5082 #ifdef OBJ_ELF
5083 dwarf2_emit_insn (inst_main.size);
5084 #endif
5085
5086 /* s3_GP instruction can not do optimization, only can do relax between
5087 1 instruction and 3 instructions. */
5088 p = frag_var (rs_machine_dependent, inst_main.relax_size + s3_RELAX_PAD_BYTE, 0,
5089 s3_RELAX_ENCODE (inst_main.size, inst_main.relax_size, inst_main.type, 0, 4, 0),
5090 inst_main.reloc.exp.X_add_symbol, 0, NULL);
5091
5092 /* Write fr_var part.
5093 no calling s3_gen_insn_frag, no fixS will be generated. */
5094 s3_md_number_to_chars (p, inst_expand[0].instruction, inst_expand[0].size);
5095 p += inst_expand[0].size;
5096 s3_md_number_to_chars (p, inst_expand[1].instruction, inst_expand[1].size);
5097 p += inst_expand[1].size;
5098
5099 /* relax lw rd, label -> ldis rs, imm16
5100 ori rd, imm16
5101 lw rd, [rs, imm15] or lw! rd, [rs, imm5]. */
5102 if (inst_expand[2].relax_size == 0)
5103 s3_md_number_to_chars (p, inst_expand[2].instruction, inst_expand[2].size);
5104 else
5105 s3_md_number_to_chars (p, inst_expand[2].relax_inst, inst_expand[2].relax_size);
5106 }
5107 else
5108 {
5109 s3_gen_insn_frag (&inst_expand[0], NULL);
5110 s3_gen_insn_frag (&inst_expand[1], NULL);
5111 s3_gen_insn_frag (&inst_expand[2], NULL);
5112 }
5113 s3_nor1 = r1_bak;
5114
5115 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
5116 s3_inst.bwarn = -1;
5117 }
5118
5119 static void
5120 s3_do_lw_pic (char *str)
5121 {
5122 int reg_rd;
5123
5124 s3_skip_whitespace (str);
5125 if (((reg_rd = s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
5126 || (s3_skip_past_comma (&str) == (int) s3_FAIL)
5127 || (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL)
5128 || (s3_end_of_line (str) == (int) s3_FAIL))
5129 {
5130 return;
5131 }
5132 else
5133 {
5134 if (s3_inst.reloc.exp.X_add_symbol == 0)
5135 {
5136 if (!s3_inst.error)
5137 s3_inst.error = s3_BAD_ARGS;
5138
5139 return;
5140 }
5141
5142 s3_inst.instruction |= s3_GP << 15;
5143 s3_inst.reloc.type = BFD_RELOC_SCORE_GOT15;
5144 }
5145 }
5146
5147 static void
5148 s3_do_empty (char *str)
5149 {
5150 str = str;
5151 if (s3_university_version == 1)
5152 {
5153 if (((s3_inst.instruction & 0x3e0003ff) == 0x0c000004)
5154 || ((s3_inst.instruction & 0x3e0003ff) == 0x0c000024)
5155 || ((s3_inst.instruction & 0x3e0003ff) == 0x0c000044)
5156 || ((s3_inst.instruction & 0x3e0003ff) == 0x0c000064))
5157 {
5158 s3_inst.error = s3_ERR_FOR_SCORE5U_MMU;
5159 return;
5160 }
5161 }
5162 if (s3_end_of_line (str) == (int) s3_FAIL)
5163 return;
5164
5165 if (s3_inst.relax_inst != 0x8000)
5166 {
5167 if (s3_inst.type == NO_OPD)
5168 {
5169 s3_inst.relax_size = 2;
5170 }
5171 else
5172 {
5173 s3_inst.relax_size = 4;
5174 }
5175 }
5176 }
5177
5178 static void
5179 s3_do16_int (char *str)
5180 {
5181 s3_skip_whitespace (str);
5182 return;
5183 }
5184
5185 static void
5186 s3_do_jump (char *str)
5187 {
5188 char *save_in;
5189
5190 s3_skip_whitespace (str);
5191 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL
5192 || s3_end_of_line (str) == (int) s3_FAIL)
5193 return;
5194
5195 if (s3_inst.reloc.exp.X_add_symbol == 0)
5196 {
5197 s3_inst.error = _("lacking label ");
5198 return;
5199 }
5200
5201 if (!(s3_inst.reloc.exp.X_add_number >= -16777216
5202 && s3_inst.reloc.exp.X_add_number <= 16777215))
5203 {
5204 s3_inst.error = _("invalid constant: 25 bit expression not in range [-16777216, 16777215]");
5205 return;
5206 }
5207
5208 save_in = input_line_pointer;
5209 input_line_pointer = str;
5210 s3_inst.reloc.type = BFD_RELOC_SCORE_JMP;
5211 s3_inst.reloc.pc_rel = 1;
5212 input_line_pointer = save_in;
5213 }
5214
5215 static void
5216 s3_do_branch (char *str)
5217 {
5218 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL
5219 || s3_end_of_line (str) == (int) s3_FAIL)
5220 {
5221 return;
5222 }
5223 else if (s3_inst.reloc.exp.X_add_symbol == 0)
5224 {
5225 s3_inst.error = _("lacking label ");
5226 return;
5227 }
5228 else if (!(s3_inst.reloc.exp.X_add_number >= -524288
5229 && s3_inst.reloc.exp.X_add_number <= 524287))
5230 {
5231 s3_inst.error = _("invalid constant: 20 bit expression not in range -2^19..2^19");
5232 return;
5233 }
5234
5235 s3_inst.reloc.type = BFD_RELOC_SCORE_BRANCH;
5236 s3_inst.reloc.pc_rel = 1;
5237
5238 /* Branch 32 offset field : 20 bit, 16 bit branch offset field : 8 bit. */
5239 s3_inst.instruction |= (s3_inst.reloc.exp.X_add_number & 0x3fe) | ((s3_inst.reloc.exp.X_add_number & 0xffc00) << 5);
5240
5241 /* Compute 16 bit branch instruction. */
5242 if ((s3_inst.relax_inst != 0x8000)
5243 && (s3_inst.reloc.exp.X_add_number >= -512 && s3_inst.reloc.exp.X_add_number <= 511))
5244 {
5245 s3_inst.relax_inst |= ((s3_inst.reloc.exp.X_add_number >> 1) & 0x1ff);/*b! :disp 9 bit */
5246 s3_inst.relax_size = 2;
5247 }
5248 else
5249 {
5250 s3_inst.relax_inst = 0x8000;
5251 }
5252 }
5253
5254 static void
5255 s3_do16_branch (char *str)
5256 {
5257 if ((s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL
5258 || s3_end_of_line (str) == (int) s3_FAIL))
5259 {
5260 ;
5261 }
5262 else if (s3_inst.reloc.exp.X_add_symbol == 0)
5263 {
5264 s3_inst.error = _("lacking label");
5265 }
5266 else if (!(s3_inst.reloc.exp.X_add_number >= -512
5267 && s3_inst.reloc.exp.X_add_number <= 511))
5268 {
5269 s3_inst.error = _("invalid constant: 10 bit expression not in range [-2^9, 2^9-1]");
5270 }
5271 else
5272 {
5273 s3_inst.reloc.type = BFD_RELOC_SCORE16_BRANCH;
5274 s3_inst.reloc.pc_rel = 1;
5275 s3_inst.instruction |= ((s3_inst.reloc.exp.X_add_number >> 1) & 0x1ff);
5276 s3_inst.relax_inst |= ((s3_inst.reloc.exp.X_add_number ) & 0x1ff);
5277 s3_inst.relax_size = 4;
5278 }
5279 }
5280
5281 /* Return true if the given symbol should be considered local for s3_PIC. */
5282 static bfd_boolean
5283 s3_pic_need_relax (symbolS *sym, asection *segtype)
5284 {
5285 asection *symsec;
5286 bfd_boolean linkonce;
5287
5288 /* Handle the case of a symbol equated to another symbol. */
5289 while (symbol_equated_reloc_p (sym))
5290 {
5291 symbolS *n;
5292
5293 /* It's possible to get a loop here in a badly written
5294 program. */
5295 n = symbol_get_value_expression (sym)->X_add_symbol;
5296 if (n == sym)
5297 break;
5298 sym = n;
5299 }
5300
5301 symsec = S_GET_SEGMENT (sym);
5302
5303 /* duplicate the test for LINK_ONCE sections as in adjust_reloc_syms */
5304 linkonce = FALSE;
5305 if (symsec != segtype && ! S_IS_LOCAL (sym))
5306 {
5307 if ((bfd_get_section_flags (stdoutput, symsec) & SEC_LINK_ONCE) != 0)
5308 linkonce = TRUE;
5309
5310 /* The GNU toolchain uses an extension for ELF: a section
5311 beginning with the magic string .gnu.linkonce is a linkonce
5312 section. */
5313 if (strncmp (segment_name (symsec), ".gnu.linkonce",
5314 sizeof ".gnu.linkonce" - 1) == 0)
5315 linkonce = TRUE;
5316 }
5317
5318 /* This must duplicate the test in adjust_reloc_syms. */
5319 return (symsec != &bfd_und_section
5320 && symsec != &bfd_abs_section
5321 && ! bfd_is_com_section (symsec)
5322 && !linkonce
5323 #ifdef OBJ_ELF
5324 /* A global or weak symbol is treated as external. */
5325 && (OUTPUT_FLAVOR != bfd_target_elf_flavour
5326 || (! S_IS_WEAK (sym) && ! S_IS_EXTERNAL (sym)))
5327 #endif
5328 );
5329 }
5330
5331 static void
5332 s3_parse_pce_inst (char *insnstr)
5333 {
5334 char c;
5335 char *p;
5336 char first[s3_MAX_LITERAL_POOL_SIZE];
5337 char second[s3_MAX_LITERAL_POOL_SIZE];
5338 struct s3_score_it pec_part_1;
5339
5340 /* Get first part string of PCE. */
5341 p = strstr (insnstr, "||");
5342 c = *p;
5343 *p = '\0';
5344 sprintf (first, "%s", insnstr);
5345
5346 /* Get second part string of PCE. */
5347 *p = c;
5348 p += 2;
5349 sprintf (second, "%s", p);
5350
5351 s3_parse_16_32_inst (first, FALSE);
5352 if (s3_inst.error)
5353 return;
5354
5355 memcpy (&pec_part_1, &s3_inst, sizeof (s3_inst));
5356
5357 s3_parse_16_32_inst (second, FALSE);
5358 if (s3_inst.error)
5359 return;
5360
5361 if ( ((pec_part_1.size == s3_INSN_SIZE) && (s3_inst.size == s3_INSN_SIZE))
5362 || ((pec_part_1.size == s3_INSN_SIZE) && (s3_inst.size == s3_INSN16_SIZE))
5363 || ((pec_part_1.size == s3_INSN16_SIZE) && (s3_inst.size == s3_INSN_SIZE)))
5364 {
5365 s3_inst.error = _("pce instruction error (16 bit || 16 bit)'");
5366 sprintf (s3_inst.str, insnstr);
5367 return;
5368 }
5369
5370 if (!s3_inst.error)
5371 s3_gen_insn_frag (&pec_part_1, &s3_inst);
5372 }
5373
5374 /* s3: dsp. */
5375 static void
5376 s3_do16_dsp (char *str)
5377 {
5378 int rd = 0;
5379
5380 /* Check 3d. */
5381 if (s3_score3d == 0)
5382 {
5383 s3_inst.error = _("score3d instruction.");
5384 return;
5385 }
5386
5387 s3_skip_whitespace (str);
5388
5389 if ((rd = s3_reglow_required_here (&str, 0)) == (int) s3_FAIL
5390 || s3_end_of_line (str) == (int) s3_FAIL)
5391 {
5392 return;
5393 }
5394 else
5395 {
5396 s3_inst.relax_inst |= rd << 20;
5397 s3_inst.relax_size = 4;
5398 }
5399 }
5400
5401 static void
5402 s3_do16_dsp2 (char *str)
5403 {
5404 /* Check 3d. */
5405 if (s3_score3d == 0)
5406 {
5407 s3_inst.error = _("score3d instruction.");
5408 return;
5409 }
5410
5411 s3_skip_whitespace (str);
5412
5413 if (s3_reglow_required_here (&str, 4) == (int) s3_FAIL
5414 || s3_skip_past_comma (&str) == (int) s3_FAIL
5415 || s3_reglow_required_here (&str, 0) == (int) s3_FAIL
5416 || s3_end_of_line (str) == (int) s3_FAIL)
5417 {
5418 return;
5419 }
5420 else
5421 {
5422 s3_inst.relax_inst |= (((s3_inst.instruction >> 8) & 0xf) << 20)
5423 | (((s3_inst.instruction >> 8) & 0xf) << 15) | (((s3_inst.instruction >> 4) & 0xf) << 10);
5424 s3_inst.relax_size = 4;
5425 }
5426 }
5427
5428 static void
5429 s3_do_dsp (char *str)
5430 {
5431 /* Check 3d. */
5432 if (s3_score3d == 0)
5433 {
5434 s3_inst.error = _("score3d instruction.");
5435 return;
5436 }
5437
5438 s3_skip_whitespace (str);
5439
5440 if (s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL
5441 || s3_skip_past_comma (&str) == (int) s3_FAIL
5442 || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE) == (int) s3_FAIL
5443 || s3_end_of_line (str) == (int) s3_FAIL)
5444 return;
5445
5446 if ((s3_inst.relax_inst != 0x8000) && (((s3_inst.instruction >> 20) & 0x1f) == 3) )
5447 {
5448 s3_inst.relax_inst |= (((s3_inst.instruction >> 10) & 0x1f)) | (((s3_inst.instruction >> 15) & 0x1f) << 5);
5449 s3_inst.relax_size = 2;
5450 }
5451 else
5452 s3_inst.relax_inst = 0x8000;
5453 }
5454
5455 static void
5456 s3_do_dsp2 (char *str)
5457 {
5458 int reg;
5459
5460 /* Check 3d. */
5461 if (s3_score3d == 0)
5462 {
5463 s3_inst.error = _("score3d instruction.");
5464 return;
5465 }
5466
5467 s3_skip_whitespace (str);
5468
5469 if ((reg = s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE)) == (int) s3_FAIL
5470 || s3_skip_past_comma (&str) == (int) s3_FAIL
5471 || s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL
5472 || s3_skip_past_comma (&str) == (int) s3_FAIL
5473 || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE) == (int) s3_FAIL
5474 || s3_end_of_line (str) == (int) s3_FAIL)
5475 {
5476 return;
5477 }
5478 else
5479 {
5480 /* Check mulr, mulur rd is even number. */
5481 if (((s3_inst.instruction & 0x3e0003ff) == 0x00000340
5482 || (s3_inst.instruction & 0x3e0003ff) == 0x00000342)
5483 && (reg % 2))
5484 {
5485 s3_inst.error = _("rd must be even number.");
5486 return;
5487 }
5488
5489 if ((((s3_inst.instruction >> 15) & 0x10) == 0)
5490 && (((s3_inst.instruction >> 10) & 0x10) == 0)
5491 && (((s3_inst.instruction >> 20) & 0x10) == 0)
5492 && (s3_inst.relax_inst != 0x8000)
5493 && (((s3_inst.instruction >> 20) & 0xf) == ((s3_inst.instruction >> 15) & 0xf)))
5494 {
5495 s3_inst.relax_inst |= (((s3_inst.instruction >> 10) & 0xf) )
5496 | (((s3_inst.instruction >> 15) & 0xf) << 4);
5497 s3_inst.relax_size = 2;
5498 }
5499 else
5500 {
5501 s3_inst.relax_inst = 0x8000;
5502 }
5503 }
5504 }
5505
5506 static void
5507 s3_do_dsp3 (char *str)
5508 {
5509 /* Check 3d. */
5510 if (s3_score3d == 0)
5511 {
5512 s3_inst.error = _("score3d instruction.");
5513 return;
5514 }
5515
5516 s3_skip_whitespace (str);
5517
5518 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL
5519 || s3_skip_past_comma (&str) == (int) s3_FAIL
5520 || s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL
5521 || s3_end_of_line (str) == (int) s3_FAIL)
5522 return;
5523
5524 if ((s3_inst.relax_inst != 0x8000) && (((s3_inst.instruction >> 20) & 0x1f) == 3) )
5525 {
5526 s3_inst.relax_inst |= (((s3_inst.instruction >> 10) & 0x1f)) | (((s3_inst.instruction >> 15) & 0x1f) << 5);
5527 s3_inst.relax_size = 2;
5528 }
5529 else
5530 s3_inst.relax_inst = 0x8000;
5531 }
5532
5533
5534 /* If we change section we must dump the literal pool first. */
5535 static void
5536 s3_s_score_bss (int ignore ATTRIBUTE_UNUSED)
5537 {
5538 subseg_set (bss_section, (subsegT) get_absolute_expression ());
5539 demand_empty_rest_of_line ();
5540 }
5541
5542 static void
5543 s3_s_score_text (int ignore)
5544 {
5545 obj_elf_text (ignore);
5546 record_alignment (now_seg, 2);
5547 }
5548
5549 static void
5550 s3_score_s_section (int ignore)
5551 {
5552 obj_elf_section (ignore);
5553 if ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0)
5554 record_alignment (now_seg, 2);
5555
5556 }
5557
5558 static void
5559 s3_s_change_sec (int sec)
5560 {
5561 segT seg;
5562
5563 #ifdef OBJ_ELF
5564 /* The ELF backend needs to know that we are changing sections, so
5565 that .previous works correctly. We could do something like check
5566 for an obj_section_change_hook macro, but that might be confusing
5567 as it would not be appropriate to use it in the section changing
5568 functions in read.c, since obj-elf.c intercepts those. FIXME:
5569 This should be cleaner, somehow. */
5570 obj_elf_section_change_hook ();
5571 #endif
5572 switch (sec)
5573 {
5574 case 'r':
5575 seg = subseg_new (s3_RDATA_SECTION_NAME, (subsegT) get_absolute_expression ());
5576 bfd_set_section_flags (stdoutput, seg, (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_RELOC | SEC_DATA));
5577 if (strcmp (TARGET_OS, "elf") != 0)
5578 record_alignment (seg, 4);
5579 demand_empty_rest_of_line ();
5580 break;
5581 case 's':
5582 seg = subseg_new (".sdata", (subsegT) get_absolute_expression ());
5583 bfd_set_section_flags (stdoutput, seg, SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA);
5584 if (strcmp (TARGET_OS, "elf") != 0)
5585 record_alignment (seg, 4);
5586 demand_empty_rest_of_line ();
5587 break;
5588 }
5589 }
5590
5591 static void
5592 s3_s_score_mask (int reg_type ATTRIBUTE_UNUSED)
5593 {
5594 long mask, off;
5595
5596 if (s3_cur_proc_ptr == (s3_procS *) NULL)
5597 {
5598 as_warn (_(".mask outside of .ent"));
5599 demand_empty_rest_of_line ();
5600 return;
5601 }
5602 if (get_absolute_expression_and_terminator (&mask) != ',')
5603 {
5604 as_warn (_("Bad .mask directive"));
5605 --input_line_pointer;
5606 demand_empty_rest_of_line ();
5607 return;
5608 }
5609 off = get_absolute_expression ();
5610 s3_cur_proc_ptr->reg_mask = mask;
5611 s3_cur_proc_ptr->reg_offset = off;
5612 demand_empty_rest_of_line ();
5613 }
5614
5615 static symbolS *
5616 s3_get_symbol (void)
5617 {
5618 int c;
5619 char *name;
5620 symbolS *p;
5621
5622 name = input_line_pointer;
5623 c = get_symbol_end ();
5624 p = (symbolS *) symbol_find_or_make (name);
5625 *input_line_pointer = c;
5626 return p;
5627 }
5628
5629 static long
5630 s3_get_number (void)
5631 {
5632 int negative = 0;
5633 long val = 0;
5634
5635 if (*input_line_pointer == '-')
5636 {
5637 ++input_line_pointer;
5638 negative = 1;
5639 }
5640 if (!ISDIGIT (*input_line_pointer))
5641 as_bad (_("expected simple number"));
5642 if (input_line_pointer[0] == '0')
5643 {
5644 if (input_line_pointer[1] == 'x')
5645 {
5646 input_line_pointer += 2;
5647 while (ISXDIGIT (*input_line_pointer))
5648 {
5649 val <<= 4;
5650 val |= hex_value (*input_line_pointer++);
5651 }
5652 return negative ? -val : val;
5653 }
5654 else
5655 {
5656 ++input_line_pointer;
5657 while (ISDIGIT (*input_line_pointer))
5658 {
5659 val <<= 3;
5660 val |= *input_line_pointer++ - '0';
5661 }
5662 return negative ? -val : val;
5663 }
5664 }
5665 if (!ISDIGIT (*input_line_pointer))
5666 {
5667 printf (_(" *input_line_pointer == '%c' 0x%02x\n"), *input_line_pointer, *input_line_pointer);
5668 as_warn (_("invalid number"));
5669 return -1;
5670 }
5671 while (ISDIGIT (*input_line_pointer))
5672 {
5673 val *= 10;
5674 val += *input_line_pointer++ - '0';
5675 }
5676 return negative ? -val : val;
5677 }
5678
5679 /* The .aent and .ent directives. */
5680 static void
5681 s3_s_score_ent (int aent)
5682 {
5683 symbolS *symbolP;
5684 int maybe_text;
5685
5686 symbolP = s3_get_symbol ();
5687 if (*input_line_pointer == ',')
5688 ++input_line_pointer;
5689 SKIP_WHITESPACE ();
5690 if (ISDIGIT (*input_line_pointer) || *input_line_pointer == '-')
5691 s3_get_number ();
5692
5693 #ifdef BFD_ASSEMBLER
5694 if ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0)
5695 maybe_text = 1;
5696 else
5697 maybe_text = 0;
5698 #else
5699 if (now_seg != data_section && now_seg != bss_section)
5700 maybe_text = 1;
5701 else
5702 maybe_text = 0;
5703 #endif
5704 if (!maybe_text)
5705 as_warn (_(".ent or .aent not in text section."));
5706 if (!aent && s3_cur_proc_ptr)
5707 as_warn (_("missing .end"));
5708 if (!aent)
5709 {
5710 s3_cur_proc_ptr = &s3_cur_proc;
5711 s3_cur_proc_ptr->reg_mask = 0xdeadbeaf;
5712 s3_cur_proc_ptr->reg_offset = 0xdeadbeaf;
5713 s3_cur_proc_ptr->fpreg_mask = 0xdeafbeaf;
5714 s3_cur_proc_ptr->leaf = 0xdeafbeaf;
5715 s3_cur_proc_ptr->frame_offset = 0xdeafbeaf;
5716 s3_cur_proc_ptr->frame_reg = 0xdeafbeaf;
5717 s3_cur_proc_ptr->pc_reg = 0xdeafbeaf;
5718 s3_cur_proc_ptr->isym = symbolP;
5719 symbol_get_bfdsym (symbolP)->flags |= BSF_FUNCTION;
5720 ++s3_numprocs;
5721 if (debug_type == DEBUG_STABS)
5722 stabs_generate_asm_func (S_GET_NAME (symbolP), S_GET_NAME (symbolP));
5723 }
5724 demand_empty_rest_of_line ();
5725 }
5726
5727 static void
5728 s3_s_score_frame (int ignore ATTRIBUTE_UNUSED)
5729 {
5730 char *backupstr;
5731 char str[30];
5732 long val;
5733 int i = 0;
5734
5735 backupstr = input_line_pointer;
5736
5737 #ifdef OBJ_ELF
5738 if (s3_cur_proc_ptr == (s3_procS *) NULL)
5739 {
5740 as_warn (_(".frame outside of .ent"));
5741 demand_empty_rest_of_line ();
5742 return;
5743 }
5744 s3_cur_proc_ptr->frame_reg = s3_reg_required_here ((&backupstr), 0, s3_REG_TYPE_SCORE);
5745 SKIP_WHITESPACE ();
5746 s3_skip_past_comma (&backupstr);
5747 while (*backupstr != ',')
5748 {
5749 str[i] = *backupstr;
5750 i++;
5751 backupstr++;
5752 }
5753 str[i] = '\0';
5754 val = atoi (str);
5755
5756 SKIP_WHITESPACE ();
5757 s3_skip_past_comma (&backupstr);
5758 s3_cur_proc_ptr->frame_offset = val;
5759 s3_cur_proc_ptr->pc_reg = s3_reg_required_here ((&backupstr), 0, s3_REG_TYPE_SCORE);
5760
5761 SKIP_WHITESPACE ();
5762 s3_skip_past_comma (&backupstr);
5763 i = 0;
5764 while (*backupstr != '\n')
5765 {
5766 str[i] = *backupstr;
5767 i++;
5768 backupstr++;
5769 }
5770 str[i] = '\0';
5771 val = atoi (str);
5772 s3_cur_proc_ptr->leaf = val;
5773 SKIP_WHITESPACE ();
5774 s3_skip_past_comma (&backupstr);
5775
5776 #endif /* OBJ_ELF */
5777 while (input_line_pointer != backupstr)
5778 input_line_pointer++;
5779 }
5780
5781 /* The .end directive. */
5782 static void
5783 s3_s_score_end (int x ATTRIBUTE_UNUSED)
5784 {
5785 symbolS *p;
5786 int maybe_text;
5787
5788 /* Generate a .pdr section. */
5789 segT saved_seg = now_seg;
5790 subsegT saved_subseg = now_subseg;
5791 expressionS exp;
5792 char *fragp;
5793
5794 if (!is_end_of_line[(unsigned char)*input_line_pointer])
5795 {
5796 p = s3_get_symbol ();
5797 demand_empty_rest_of_line ();
5798 }
5799 else
5800 p = NULL;
5801
5802 #ifdef BFD_ASSEMBLER
5803 if ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0)
5804 maybe_text = 1;
5805 else
5806 maybe_text = 0;
5807 #else
5808 if (now_seg != data_section && now_seg != bss_section)
5809 maybe_text = 1;
5810 else
5811 maybe_text = 0;
5812 #endif
5813
5814 if (!maybe_text)
5815 as_warn (_(".end not in text section"));
5816 if (!s3_cur_proc_ptr)
5817 {
5818 as_warn (_(".end directive without a preceding .ent directive."));
5819 demand_empty_rest_of_line ();
5820 return;
5821 }
5822 if (p != NULL)
5823 {
5824 gas_assert (S_GET_NAME (p));
5825 if (strcmp (S_GET_NAME (p), S_GET_NAME (s3_cur_proc_ptr->isym)))
5826 as_warn (_(".end symbol does not match .ent symbol."));
5827 if (debug_type == DEBUG_STABS)
5828 stabs_generate_asm_endfunc (S_GET_NAME (p), S_GET_NAME (p));
5829 }
5830 else
5831 as_warn (_(".end directive missing or unknown symbol"));
5832
5833 if ((s3_cur_proc_ptr->reg_mask == 0xdeadbeaf) ||
5834 (s3_cur_proc_ptr->reg_offset == 0xdeadbeaf) ||
5835 (s3_cur_proc_ptr->leaf == 0xdeafbeaf) ||
5836 (s3_cur_proc_ptr->frame_offset == 0xdeafbeaf) ||
5837 (s3_cur_proc_ptr->frame_reg == 0xdeafbeaf) || (s3_cur_proc_ptr->pc_reg == 0xdeafbeaf));
5838
5839 else
5840 {
5841 (void) frag_now_fix ();
5842 gas_assert (s3_pdr_seg);
5843 subseg_set (s3_pdr_seg, 0);
5844 /* Write the symbol. */
5845 exp.X_op = O_symbol;
5846 exp.X_add_symbol = p;
5847 exp.X_add_number = 0;
5848 emit_expr (&exp, 4);
5849 fragp = frag_more (7 * 4);
5850 md_number_to_chars (fragp, (valueT) s3_cur_proc_ptr->reg_mask, 4);
5851 md_number_to_chars (fragp + 4, (valueT) s3_cur_proc_ptr->reg_offset, 4);
5852 md_number_to_chars (fragp + 8, (valueT) s3_cur_proc_ptr->fpreg_mask, 4);
5853 md_number_to_chars (fragp + 12, (valueT) s3_cur_proc_ptr->leaf, 4);
5854 md_number_to_chars (fragp + 16, (valueT) s3_cur_proc_ptr->frame_offset, 4);
5855 md_number_to_chars (fragp + 20, (valueT) s3_cur_proc_ptr->frame_reg, 4);
5856 md_number_to_chars (fragp + 24, (valueT) s3_cur_proc_ptr->pc_reg, 4);
5857 subseg_set (saved_seg, saved_subseg);
5858
5859 }
5860 s3_cur_proc_ptr = NULL;
5861 }
5862
5863 /* Handle the .set pseudo-op. */
5864 static void
5865 s3_s_score_set (int x ATTRIBUTE_UNUSED)
5866 {
5867 int i = 0;
5868 char name[s3_MAX_LITERAL_POOL_SIZE];
5869 char * orig_ilp = input_line_pointer;
5870
5871 while (!is_end_of_line[(unsigned char)*input_line_pointer])
5872 {
5873 name[i] = (char) * input_line_pointer;
5874 i++;
5875 ++input_line_pointer;
5876 }
5877
5878 name[i] = '\0';
5879
5880 if (strcmp (name, "nwarn") == 0)
5881 {
5882 s3_warn_fix_data_dependency = 0;
5883 }
5884 else if (strcmp (name, "fixdd") == 0)
5885 {
5886 s3_fix_data_dependency = 1;
5887 }
5888 else if (strcmp (name, "nofixdd") == 0)
5889 {
5890 s3_fix_data_dependency = 0;
5891 }
5892 else if (strcmp (name, "r1") == 0)
5893 {
5894 s3_nor1 = 0;
5895 }
5896 else if (strcmp (name, "nor1") == 0)
5897 {
5898 s3_nor1 = 1;
5899 }
5900 else if (strcmp (name, "optimize") == 0)
5901 {
5902 s3_g_opt = 1;
5903 }
5904 else if (strcmp (name, "volatile") == 0)
5905 {
5906 s3_g_opt = 0;
5907 }
5908 else if (strcmp (name, "pic") == 0)
5909 {
5910 s3_score_pic = s3_PIC;
5911 }
5912 else
5913 {
5914 input_line_pointer = orig_ilp;
5915 s_set (0);
5916 }
5917 }
5918
5919 /* Handle the .cpload pseudo-op. This is used when generating s3_PIC code. It sets the
5920 $gp register for the function based on the function address, which is in the register
5921 named in the argument. This uses a relocation against GP_DISP_LABEL, which is handled
5922 specially by the linker. The result is:
5923 ldis gp, %hi(GP_DISP_LABEL)
5924 ori gp, %low(GP_DISP_LABEL)
5925 add gp, gp, .cpload argument
5926 The .cpload argument is normally r29. */
5927 static void
5928 s3_s_score_cpload (int ignore ATTRIBUTE_UNUSED)
5929 {
5930 int reg;
5931 char insn_str[s3_MAX_LITERAL_POOL_SIZE];
5932
5933 /* If we are not generating s3_PIC code, .cpload is ignored. */
5934 if (s3_score_pic == s3_NO_PIC)
5935 {
5936 s_ignore (0);
5937 return;
5938 }
5939
5940 if ((reg = s3_reg_required_here (&input_line_pointer, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
5941 return;
5942
5943 demand_empty_rest_of_line ();
5944
5945 sprintf (insn_str, "ld_i32hi r%d, %s", s3_GP, GP_DISP_LABEL);
5946 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
5947 return;
5948
5949 sprintf (insn_str, "ld_i32lo r%d, %s", s3_GP, GP_DISP_LABEL);
5950 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
5951 return;
5952
5953 sprintf (insn_str, "add r%d, r%d, r%d", s3_GP, s3_GP, reg);
5954 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
5955 return;
5956 }
5957
5958 /* Handle the .cprestore pseudo-op. This stores $gp into a given
5959 offset from $sp. The offset is remembered, and after making a s3_PIC
5960 call $gp is restored from that location. */
5961 static void
5962 s3_s_score_cprestore (int ignore ATTRIBUTE_UNUSED)
5963 {
5964 int reg;
5965 int cprestore_offset;
5966 char insn_str[s3_MAX_LITERAL_POOL_SIZE];
5967
5968 /* If we are not generating s3_PIC code, .cprestore is ignored. */
5969 if (s3_score_pic == s3_NO_PIC)
5970 {
5971 s_ignore (0);
5972 return;
5973 }
5974
5975 if ((reg = s3_reg_required_here (&input_line_pointer, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL
5976 || s3_skip_past_comma (&input_line_pointer) == (int) s3_FAIL)
5977 {
5978 return;
5979 }
5980
5981 cprestore_offset = get_absolute_expression ();
5982
5983 if (cprestore_offset <= 0x3fff)
5984 {
5985 sprintf (insn_str, "sw r%d, [r%d, %d]", s3_GP, reg, cprestore_offset);
5986 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
5987 return;
5988 }
5989 else
5990 {
5991 int r1_bak;
5992
5993 r1_bak = s3_nor1;
5994 s3_nor1 = 0;
5995
5996 sprintf (insn_str, "li r1, %d", cprestore_offset);
5997 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
5998 return;
5999
6000 sprintf (insn_str, "add r1, r1, r%d", reg);
6001 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
6002 return;
6003
6004 sprintf (insn_str, "sw r%d, [r1]", s3_GP);
6005 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
6006 return;
6007
6008 s3_nor1 = r1_bak;
6009 }
6010
6011 demand_empty_rest_of_line ();
6012 }
6013
6014 /* Handle the .gpword pseudo-op. This is used when generating s3_PIC
6015 code. It generates a 32 bit s3_GP relative reloc. */
6016 static void
6017 s3_s_score_gpword (int ignore ATTRIBUTE_UNUSED)
6018 {
6019 expressionS ex;
6020 char *p;
6021
6022 /* When not generating s3_PIC code, this is treated as .word. */
6023 if (s3_score_pic == s3_NO_PIC)
6024 {
6025 cons (4);
6026 return;
6027 }
6028 expression (&ex);
6029 if (ex.X_op != O_symbol || ex.X_add_number != 0)
6030 {
6031 as_bad (_("Unsupported use of .gpword"));
6032 ignore_rest_of_line ();
6033 }
6034 p = frag_more (4);
6035 s3_md_number_to_chars (p, (valueT) 0, 4);
6036 fix_new_exp (frag_now, p - frag_now->fr_literal, 4, &ex, FALSE, BFD_RELOC_GPREL32);
6037 demand_empty_rest_of_line ();
6038 }
6039
6040 /* Handle the .cpadd pseudo-op. This is used when dealing with switch
6041 tables in s3_PIC code. */
6042 static void
6043 s3_s_score_cpadd (int ignore ATTRIBUTE_UNUSED)
6044 {
6045 int reg;
6046 char insn_str[s3_MAX_LITERAL_POOL_SIZE];
6047
6048 /* If we are not generating s3_PIC code, .cpload is ignored. */
6049 if (s3_score_pic == s3_NO_PIC)
6050 {
6051 s_ignore (0);
6052 return;
6053 }
6054
6055 if ((reg = s3_reg_required_here (&input_line_pointer, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
6056 {
6057 return;
6058 }
6059 demand_empty_rest_of_line ();
6060
6061 /* Add $gp to the register named as an argument. */
6062 sprintf (insn_str, "add r%d, r%d, r%d", reg, reg, s3_GP);
6063 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
6064 return;
6065 }
6066
6067 #ifndef TC_IMPLICIT_LCOMM_ALIGNMENT
6068 #define TC_IMPLICIT_LCOMM_ALIGNMENT(SIZE, P2VAR) \
6069 do \
6070 { \
6071 if ((SIZE) >= 8) \
6072 (P2VAR) = 3; \
6073 else if ((SIZE) >= 4) \
6074 (P2VAR) = 2; \
6075 else if ((SIZE) >= 2) \
6076 (P2VAR) = 1; \
6077 else \
6078 (P2VAR) = 0; \
6079 } \
6080 while (0)
6081 #endif
6082
6083 static void
6084 s3_s_score_lcomm (int bytes_p)
6085 {
6086 char *name;
6087 char c;
6088 char *p;
6089 int temp;
6090 symbolS *symbolP;
6091 segT current_seg = now_seg;
6092 subsegT current_subseg = now_subseg;
6093 const int max_alignment = 15;
6094 int align = 0;
6095 segT bss_seg = bss_section;
6096 int needs_align = 0;
6097
6098 name = input_line_pointer;
6099 c = get_symbol_end ();
6100 p = input_line_pointer;
6101 *p = c;
6102
6103 if (name == p)
6104 {
6105 as_bad (_("expected symbol name"));
6106 discard_rest_of_line ();
6107 return;
6108 }
6109
6110 SKIP_WHITESPACE ();
6111
6112 /* Accept an optional comma after the name. The comma used to be
6113 required, but Irix 5 cc does not generate it. */
6114 if (*input_line_pointer == ',')
6115 {
6116 ++input_line_pointer;
6117 SKIP_WHITESPACE ();
6118 }
6119
6120 if (is_end_of_line[(unsigned char)*input_line_pointer])
6121 {
6122 as_bad (_("missing size expression"));
6123 return;
6124 }
6125
6126 if ((temp = get_absolute_expression ()) < 0)
6127 {
6128 as_warn (_("BSS length (%d) < 0 ignored"), temp);
6129 ignore_rest_of_line ();
6130 return;
6131 }
6132
6133 #if defined (TC_SCORE)
6134 if (OUTPUT_FLAVOR == bfd_target_ecoff_flavour || OUTPUT_FLAVOR == bfd_target_elf_flavour)
6135 {
6136 /* For Score and Alpha ECOFF or ELF, small objects are put in .sbss. */
6137 if ((unsigned)temp <= bfd_get_gp_size (stdoutput))
6138 {
6139 bss_seg = subseg_new (".sbss", 1);
6140 seg_info (bss_seg)->bss = 1;
6141 #ifdef BFD_ASSEMBLER
6142 if (!bfd_set_section_flags (stdoutput, bss_seg, SEC_ALLOC))
6143 as_warn (_("error setting flags for \".sbss\": %s"), bfd_errmsg (bfd_get_error ()));
6144 #endif
6145 }
6146 }
6147 #endif
6148
6149 SKIP_WHITESPACE ();
6150 if (*input_line_pointer == ',')
6151 {
6152 ++input_line_pointer;
6153 SKIP_WHITESPACE ();
6154
6155 if (is_end_of_line[(unsigned char)*input_line_pointer])
6156 {
6157 as_bad (_("missing alignment"));
6158 return;
6159 }
6160 else
6161 {
6162 align = get_absolute_expression ();
6163 needs_align = 1;
6164 }
6165 }
6166
6167 if (!needs_align)
6168 {
6169 TC_IMPLICIT_LCOMM_ALIGNMENT (temp, align);
6170
6171 /* Still zero unless TC_IMPLICIT_LCOMM_ALIGNMENT set it. */
6172 if (align)
6173 record_alignment (bss_seg, align);
6174 }
6175
6176 if (needs_align)
6177 {
6178 if (bytes_p)
6179 {
6180 /* Convert to a power of 2. */
6181 if (align != 0)
6182 {
6183 unsigned int i;
6184
6185 for (i = 0; align != 0; align >>= 1, ++i)
6186 ;
6187 align = i - 1;
6188 }
6189 }
6190
6191 if (align > max_alignment)
6192 {
6193 align = max_alignment;
6194 as_warn (_("alignment too large; %d assumed"), align);
6195 }
6196 else if (align < 0)
6197 {
6198 align = 0;
6199 as_warn (_("alignment negative; 0 assumed"));
6200 }
6201
6202 record_alignment (bss_seg, align);
6203 }
6204 else
6205 {
6206 /* Assume some objects may require alignment on some systems. */
6207 #if defined (TC_ALPHA) && ! defined (VMS)
6208 if (temp > 1)
6209 {
6210 align = ffs (temp) - 1;
6211 if (temp % (1 << align))
6212 abort ();
6213 }
6214 #endif
6215 }
6216
6217 *p = 0;
6218 symbolP = symbol_find_or_make (name);
6219 *p = c;
6220
6221 if (
6222 #if (defined (OBJ_AOUT) || defined (OBJ_MAYBE_AOUT) \
6223 || defined (OBJ_BOUT) || defined (OBJ_MAYBE_BOUT))
6224 #ifdef BFD_ASSEMBLER
6225 (OUTPUT_FLAVOR != bfd_target_aout_flavour
6226 || (S_GET_OTHER (symbolP) == 0 && S_GET_DESC (symbolP) == 0)) &&
6227 #else
6228 (S_GET_OTHER (symbolP) == 0 && S_GET_DESC (symbolP) == 0) &&
6229 #endif
6230 #endif
6231 (S_GET_SEGMENT (symbolP) == bss_seg || (!S_IS_DEFINED (symbolP) && S_GET_VALUE (symbolP) == 0)))
6232 {
6233 char *pfrag;
6234
6235 subseg_set (bss_seg, 1);
6236
6237 if (align)
6238 frag_align (align, 0, 0);
6239
6240 /* Detach from old frag. */
6241 if (S_GET_SEGMENT (symbolP) == bss_seg)
6242 symbol_get_frag (symbolP)->fr_symbol = NULL;
6243
6244 symbol_set_frag (symbolP, frag_now);
6245 pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, (offsetT) temp, NULL);
6246 *pfrag = 0;
6247
6248
6249 S_SET_SEGMENT (symbolP, bss_seg);
6250
6251 #ifdef OBJ_COFF
6252 /* The symbol may already have been created with a preceding
6253 ".globl" directive -- be careful not to step on storage class
6254 in that case. Otherwise, set it to static. */
6255 if (S_GET_STORAGE_CLASS (symbolP) != C_EXT)
6256 {
6257 S_SET_STORAGE_CLASS (symbolP, C_STAT);
6258 }
6259 #endif /* OBJ_COFF */
6260
6261 #ifdef S_SET_SIZE
6262 S_SET_SIZE (symbolP, temp);
6263 #endif
6264 }
6265 else
6266 as_bad (_("symbol `%s' is already defined"), S_GET_NAME (symbolP));
6267
6268 subseg_set (current_seg, current_subseg);
6269
6270 demand_empty_rest_of_line ();
6271 }
6272
6273 static void
6274 s3_insert_reg (const struct s3_reg_entry *r, struct hash_control *htab)
6275 {
6276 int i = 0;
6277 int len = strlen (r->name) + 2;
6278 char *buf = xmalloc (len);
6279 char *buf2 = xmalloc (len);
6280
6281 strcpy (buf + i, r->name);
6282 for (i = 0; buf[i]; i++)
6283 {
6284 buf2[i] = TOUPPER (buf[i]);
6285 }
6286 buf2[i] = '\0';
6287
6288 hash_insert (htab, buf, (void *) r);
6289 hash_insert (htab, buf2, (void *) r);
6290 }
6291
6292 static void
6293 s3_build_reg_hsh (struct s3_reg_map *map)
6294 {
6295 const struct s3_reg_entry *r;
6296
6297 if ((map->htab = hash_new ()) == NULL)
6298 {
6299 as_fatal (_("virtual memory exhausted"));
6300 }
6301 for (r = map->names; r->name != NULL; r++)
6302 {
6303 s3_insert_reg (r, map->htab);
6304 }
6305 }
6306
6307 /* Iterate over the base tables to create the instruction patterns. */
6308 static void
6309 s3_build_score_ops_hsh (void)
6310 {
6311 unsigned int i;
6312 static struct obstack insn_obstack;
6313
6314 obstack_begin (&insn_obstack, 4000);
6315 for (i = 0; i < sizeof (s3_score_insns) / sizeof (struct s3_asm_opcode); i++)
6316 {
6317 const struct s3_asm_opcode *insn = s3_score_insns + i;
6318 unsigned len = strlen (insn->template_name);
6319 struct s3_asm_opcode *new_opcode;
6320 char *template_name;
6321 new_opcode = (struct s3_asm_opcode *)
6322 obstack_alloc (&insn_obstack, sizeof (struct s3_asm_opcode));
6323 template_name = (char *) obstack_alloc (& insn_obstack, len + 1);
6324
6325 strcpy (template_name, insn->template_name);
6326 new_opcode->template_name = template_name;
6327 new_opcode->parms = insn->parms;
6328 new_opcode->value = insn->value;
6329 new_opcode->relax_value = insn->relax_value;
6330 new_opcode->type = insn->type;
6331 new_opcode->bitmask = insn->bitmask;
6332 hash_insert (s3_score_ops_hsh, new_opcode->template_name,
6333 (void *) new_opcode);
6334 }
6335 }
6336
6337 static void
6338 s3_build_dependency_insn_hsh (void)
6339 {
6340 unsigned int i;
6341 static struct obstack dependency_obstack;
6342
6343 obstack_begin (&dependency_obstack, 4000);
6344 for (i = 0; i < sizeof (s3_insn_to_dependency_table) / sizeof (s3_insn_to_dependency_table[0]); i++)
6345 {
6346 const struct s3_insn_to_dependency *tmp = s3_insn_to_dependency_table + i;
6347 unsigned len = strlen (tmp->insn_name);
6348 struct s3_insn_to_dependency *new_i2n;
6349
6350 new_i2n = (struct s3_insn_to_dependency *)
6351 obstack_alloc (&dependency_obstack,
6352 sizeof (struct s3_insn_to_dependency));
6353 new_i2n->insn_name = (char *) obstack_alloc (&dependency_obstack,
6354 len + 1);
6355
6356 strcpy (new_i2n->insn_name, tmp->insn_name);
6357 new_i2n->type = tmp->type;
6358 hash_insert (s3_dependency_insn_hsh, new_i2n->insn_name,
6359 (void *) new_i2n);
6360 }
6361 }
6362
6363 static void
6364 s_score_bss (int ignore ATTRIBUTE_UNUSED)
6365 {
6366 if (score3)
6367 return s3_s_score_bss (ignore);
6368 else
6369 return s7_s_score_bss (ignore);
6370 }
6371
6372 static void
6373 s_score_text (int ignore)
6374 {
6375 if (score3)
6376 return s3_s_score_text (ignore);
6377 else
6378 return s7_s_score_text (ignore);
6379 }
6380
6381 static void
6382 s_section (int ignore)
6383 {
6384 if (score3)
6385 return s3_score_s_section (ignore);
6386 else
6387 return s7_s_section (ignore);
6388 }
6389
6390 static void
6391 s_change_sec (int sec)
6392 {
6393 if (score3)
6394 return s3_s_change_sec (sec);
6395 else
6396 return s7_s_change_sec (sec);
6397 }
6398
6399 static void
6400 s_score_mask (int reg_type ATTRIBUTE_UNUSED)
6401 {
6402 if (score3)
6403 return s3_s_score_mask (reg_type);
6404 else
6405 return s7_s_score_mask (reg_type);
6406 }
6407
6408 static void
6409 s_score_ent (int aent)
6410 {
6411 if (score3)
6412 return s3_s_score_ent (aent);
6413 else
6414 return s7_s_score_ent (aent);
6415 }
6416
6417 static void
6418 s_score_frame (int ignore ATTRIBUTE_UNUSED)
6419 {
6420 if (score3)
6421 return s3_s_score_frame (ignore);
6422 else
6423 return s7_s_score_frame (ignore);
6424 }
6425
6426 static void
6427 s_score_end (int x ATTRIBUTE_UNUSED)
6428 {
6429 if (score3)
6430 return s3_s_score_end (x);
6431 else
6432 return s7_s_score_end (x);
6433 }
6434
6435 static void
6436 s_score_set (int x ATTRIBUTE_UNUSED)
6437 {
6438 if (score3)
6439 return s3_s_score_set (x);
6440 else
6441 return s7_s_score_set (x);
6442 }
6443
6444 static void
6445 s_score_cpload (int ignore ATTRIBUTE_UNUSED)
6446 {
6447 if (score3)
6448 return s3_s_score_cpload (ignore);
6449 else
6450 return s7_s_score_cpload (ignore);
6451 }
6452
6453 static void
6454 s_score_cprestore (int ignore ATTRIBUTE_UNUSED)
6455 {
6456 if (score3)
6457 return s3_s_score_cprestore (ignore);
6458 else
6459 return s7_s_score_cprestore (ignore);
6460 }
6461
6462 static void
6463 s_score_gpword (int ignore ATTRIBUTE_UNUSED)
6464 {
6465 if (score3)
6466 return s3_s_score_gpword (ignore);
6467 else
6468 return s7_s_score_gpword (ignore);
6469 }
6470
6471 static void
6472 s_score_cpadd (int ignore ATTRIBUTE_UNUSED)
6473 {
6474 if (score3)
6475 return s3_s_score_cpadd (ignore);
6476 else
6477 return s7_s_score_cpadd (ignore);
6478 }
6479
6480 static void
6481 s_score_lcomm (int bytes_p)
6482 {
6483 if (score3)
6484 return s3_s_score_lcomm (bytes_p);
6485 else
6486 return s7_s_score_lcomm (bytes_p);
6487 }
6488
6489 static void
6490 s3_assemble (char *str)
6491 {
6492 know (str);
6493 know (strlen (str) < s3_MAX_LITERAL_POOL_SIZE);
6494
6495 memset (&s3_inst, '\0', sizeof (s3_inst));
6496 if (s3_INSN_IS_PCE_P (str))
6497 s3_parse_pce_inst (str);
6498 else if (s3_INSN_IS_48_P (str))
6499 s3_parse_48_inst (str, TRUE);
6500 else
6501 s3_parse_16_32_inst (str, TRUE);
6502
6503 if (s3_inst.error)
6504 as_bad (_("%s -- `%s'"), s3_inst.error, s3_inst.str);
6505 }
6506
6507 static void
6508 s3_operand (expressionS * exp)
6509 {
6510 if (s3_in_my_get_expression)
6511 {
6512 exp->X_op = O_illegal;
6513 if (s3_inst.error == NULL)
6514 {
6515 s3_inst.error = _("bad expression");
6516 }
6517 }
6518 }
6519
6520 static void
6521 s3_begin (void)
6522 {
6523 unsigned int i;
6524 segT seg;
6525 subsegT subseg;
6526
6527 if ((s3_score_ops_hsh = hash_new ()) == NULL)
6528 as_fatal (_("virtual memory exhausted"));
6529
6530 s3_build_score_ops_hsh ();
6531
6532 if ((s3_dependency_insn_hsh = hash_new ()) == NULL)
6533 as_fatal (_("virtual memory exhausted"));
6534
6535 s3_build_dependency_insn_hsh ();
6536
6537 for (i = (int)s3_REG_TYPE_FIRST; i < (int)s3_REG_TYPE_MAX; i++)
6538 s3_build_reg_hsh (s3_all_reg_maps + i);
6539
6540 /* Initialize dependency vector. */
6541 s3_init_dependency_vector ();
6542
6543 bfd_set_arch_mach (stdoutput, TARGET_ARCH, 0);
6544 seg = now_seg;
6545 subseg = now_subseg;
6546 s3_pdr_seg = subseg_new (".pdr", (subsegT) 0);
6547 (void)bfd_set_section_flags (stdoutput, s3_pdr_seg, SEC_READONLY | SEC_RELOC | SEC_DEBUGGING);
6548 (void)bfd_set_section_alignment (stdoutput, s3_pdr_seg, 2);
6549 subseg_set (seg, subseg);
6550
6551 if (s3_USE_GLOBAL_POINTER_OPT)
6552 bfd_set_gp_size (stdoutput, s3_g_switch_value);
6553 }
6554
6555 static void
6556 s3_number_to_chars (char *buf, valueT val, int n)
6557 {
6558 if (target_big_endian)
6559 number_to_chars_bigendian (buf, val, n);
6560 else
6561 number_to_chars_littleendian (buf, val, n);
6562 }
6563
6564 static valueT
6565 s3_normal_chars_to_number (char *buf, int n)
6566 {
6567 valueT result = 0;
6568 unsigned char *where = (unsigned char *)buf;
6569
6570 if (target_big_endian)
6571 {
6572 while (n--)
6573 {
6574 result <<= 8;
6575 result |= (*where++ & 255);
6576 }
6577 }
6578 else
6579 {
6580 while (n--)
6581 {
6582 result <<= 8;
6583 result |= (where[n] & 255);
6584 }
6585 }
6586
6587 return result;
6588 }
6589
6590 static void
6591 s3_number_to_chars_littleendian (void *p, valueT data, int n)
6592 {
6593 char *buf = (char *) p;
6594
6595 switch (n)
6596 {
6597 case 4:
6598 md_number_to_chars (buf, data >> 16, 2);
6599 md_number_to_chars (buf + 2, data, 2);
6600 break;
6601 case 6:
6602 md_number_to_chars (buf, data >> 32, 2);
6603 md_number_to_chars (buf + 2, data >> 16, 2);
6604 md_number_to_chars (buf + 4, data, 2);
6605 break;
6606 default:
6607 /* Error routine. */
6608 as_bad_where (__FILE__, __LINE__, _("size is not 4 or 6"));
6609 break;
6610 }
6611 }
6612
6613 static valueT
6614 s3_chars_to_number_littleendian (const void *p, int n)
6615 {
6616 char *buf = (char *) p;
6617 valueT result = 0;
6618
6619 switch (n)
6620 {
6621 case 4:
6622 result = s3_normal_chars_to_number (buf, 2) << 16;
6623 result |= s3_normal_chars_to_number (buf + 2, 2);
6624 break;
6625 case 6:
6626 result = s3_normal_chars_to_number (buf, 2) << 32;
6627 result |= s3_normal_chars_to_number (buf + 2, 2) << 16;
6628 result |= s3_normal_chars_to_number (buf + 4, 2);
6629 break;
6630 default:
6631 /* Error routine. */
6632 as_bad_where (__FILE__, __LINE__, _("size is not 4 or 6"));
6633 break;
6634 }
6635
6636 return result;
6637 }
6638
6639 static void
6640 s3_md_number_to_chars (char *buf, valueT val, int n)
6641 {
6642 if (!target_big_endian && n >= 4)
6643 s3_number_to_chars_littleendian (buf, val, n);
6644 else
6645 md_number_to_chars (buf, val, n);
6646 }
6647
6648 static valueT
6649 s3_md_chars_to_number (char *buf, int n)
6650 {
6651 valueT result = 0;
6652
6653 if (!target_big_endian && n >= 4)
6654 result = s3_chars_to_number_littleendian (buf, n);
6655 else
6656 result = s3_normal_chars_to_number (buf, n);
6657
6658 return result;
6659 }
6660
6661 static char *
6662 s3_atof (int type, char *litP, int *sizeP)
6663 {
6664 int prec;
6665 LITTLENUM_TYPE words[s3_MAX_LITTLENUMS];
6666 char *t;
6667 int i;
6668
6669 switch (type)
6670 {
6671 case 'f':
6672 case 'F':
6673 case 's':
6674 case 'S':
6675 prec = 2;
6676 break;
6677 case 'd':
6678 case 'D':
6679 case 'r':
6680 case 'R':
6681 prec = 4;
6682 break;
6683 case 'x':
6684 case 'X':
6685 case 'p':
6686 case 'P':
6687 prec = 6;
6688 break;
6689 default:
6690 *sizeP = 0;
6691 return _("bad call to MD_ATOF()");
6692 }
6693
6694 t = atof_ieee (input_line_pointer, type, words);
6695 if (t)
6696 input_line_pointer = t;
6697 *sizeP = prec * 2;
6698
6699 if (target_big_endian)
6700 {
6701 for (i = 0; i < prec; i++)
6702 {
6703 s3_md_number_to_chars (litP, (valueT) words[i], 2);
6704 litP += 2;
6705 }
6706 }
6707 else
6708 {
6709 for (i = 0; i < prec; i += 2)
6710 {
6711 s3_md_number_to_chars (litP, (valueT) words[i + 1], 2);
6712 s3_md_number_to_chars (litP + 2, (valueT) words[i], 2);
6713 litP += 4;
6714 }
6715 }
6716
6717 return 0;
6718 }
6719
6720 static void
6721 s3_frag_check (fragS * fragp ATTRIBUTE_UNUSED)
6722 {
6723 know (fragp->insn_addr <= s3_RELAX_PAD_BYTE);
6724 }
6725
6726 static void
6727 s3_validate_fix (fixS *fixP)
6728 {
6729 fixP->fx_where += fixP->fx_frag->insn_addr;
6730 }
6731
6732 static int
6733 s3_force_relocation (struct fix *fixp)
6734 {
6735 int retval = 0;
6736
6737 if (fixp->fx_r_type == BFD_RELOC_VTABLE_INHERIT
6738 || fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY
6739 || fixp->fx_r_type == BFD_RELOC_SCORE_JMP
6740 || fixp->fx_r_type == BFD_RELOC_SCORE_BRANCH
6741 || fixp->fx_r_type == BFD_RELOC_SCORE16_JMP
6742 || fixp->fx_r_type == BFD_RELOC_SCORE16_BRANCH
6743 || fixp->fx_r_type == BFD_RELOC_SCORE_BCMP)
6744 {
6745 retval = 1;
6746 }
6747 return retval;
6748 }
6749
6750 static bfd_boolean
6751 s3_fix_adjustable (fixS * fixP)
6752 {
6753 if (fixP->fx_addsy == NULL)
6754 {
6755 return 1;
6756 }
6757 else if (OUTPUT_FLAVOR == bfd_target_elf_flavour
6758 && (S_IS_EXTERNAL (fixP->fx_addsy) || S_IS_WEAK (fixP->fx_addsy)))
6759 {
6760 return 0;
6761 }
6762 else if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT
6763 || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY
6764 || fixP->fx_r_type == BFD_RELOC_SCORE_JMP
6765 || fixP->fx_r_type == BFD_RELOC_SCORE16_JMP)
6766 {
6767 return 0;
6768 }
6769
6770 return 1;
6771 }
6772
6773 static void
6774 s3_elf_final_processing (void)
6775 {
6776 unsigned long val = 0;
6777
6778 if (score3)
6779 val = E_SCORE_MACH_SCORE3;
6780 else if (score7)
6781 val = E_SCORE_MACH_SCORE7;
6782
6783 elf_elfheader (stdoutput)->e_machine = EM_SCORE;
6784 elf_elfheader (stdoutput)->e_flags &= ~EF_SCORE_MACH;
6785 elf_elfheader (stdoutput)->e_flags |= val;
6786
6787 if (s3_fix_data_dependency == 1)
6788 {
6789 elf_elfheader (stdoutput)->e_flags |= EF_SCORE_FIXDEP;
6790 }
6791 if (s3_score_pic == s3_PIC)
6792 {
6793 elf_elfheader (stdoutput)->e_flags |= EF_SCORE_PIC;
6794 }
6795 }
6796
6797 static int
6798 s3_judge_size_before_relax (fragS * fragp, asection *sec)
6799 {
6800 int change = 0;
6801
6802 if (s3_score_pic == s3_NO_PIC)
6803 change = s3_nopic_need_relax (fragp->fr_symbol, 0);
6804 else
6805 change = s3_pic_need_relax (fragp->fr_symbol, sec);
6806
6807 if (change == 1)
6808 {
6809 /* Only at the first time determining whether s3_GP instruction relax should be done,
6810 return the difference between insntruction size and instruction relax size. */
6811 if (fragp->fr_opcode == NULL)
6812 {
6813 fragp->fr_fix = s3_RELAX_NEW (fragp->fr_subtype);
6814 fragp->fr_opcode = fragp->fr_literal + s3_RELAX_RELOC1 (fragp->fr_subtype);
6815 return s3_RELAX_NEW (fragp->fr_subtype) - s3_RELAX_OLD (fragp->fr_subtype);
6816 }
6817 }
6818
6819 return 0;
6820 }
6821
6822 static int
6823 s3_estimate_size_before_relax (fragS * fragp, asection * sec ATTRIBUTE_UNUSED)
6824 {
6825 if ((s3_RELAX_TYPE (fragp->fr_subtype) == Insn_GP)
6826 || (s3_RELAX_TYPE (fragp->fr_subtype) == Insn_PIC))
6827 return s3_judge_size_before_relax (fragp, sec);
6828
6829 return 0;
6830 }
6831
6832 static int
6833 s3_relax_branch_inst32 (fragS * fragp)
6834 {
6835 fragp->fr_opcode = NULL;
6836 return 0;
6837 }
6838
6839 static int
6840 s3_relax_branch_inst16 (fragS * fragp)
6841 {
6842 int relaxable_p = 0;
6843 int frag_addr = fragp->fr_address + fragp->insn_addr;
6844 addressT symbol_address = 0;
6845 symbolS *s;
6846 offsetT offset;
6847 long value;
6848 unsigned long inst_value;
6849
6850 relaxable_p = s3_RELAX_OPT (fragp->fr_subtype);
6851
6852 s = fragp->fr_symbol;
6853 if (s == NULL)
6854 frag_addr = 0;
6855 else
6856 {
6857 if (s->bsym != 0)
6858 symbol_address = (addressT) s->sy_frag->fr_address;
6859 }
6860
6861 inst_value = s3_md_chars_to_number (fragp->fr_literal, s3_INSN16_SIZE);
6862 offset = (inst_value & 0x1ff) << 1;
6863 if ((offset & 0x200) == 0x200)
6864 offset |= 0xfffffc00;
6865
6866 value = offset + symbol_address - frag_addr;
6867
6868 if (relaxable_p
6869 && (!((value & 0xfffffe00) == 0 || (value & 0xfffffe00) == 0xfffffe00))
6870 && fragp->fr_fix == 2
6871 && (s->bsym != NULL)
6872 && (S_IS_DEFINED (s)
6873 && !S_IS_COMMON (s)
6874 && !S_IS_EXTERNAL (s)))
6875 {
6876 /* Relax branch 32 to branch 16. */
6877 fragp->fr_opcode = fragp->fr_literal + s3_RELAX_RELOC1 (fragp->fr_subtype);
6878 fragp->fr_fix = 4;
6879 return 2;
6880 }
6881 else
6882 return 0;
6883 }
6884
6885 static int
6886 s3_relax_cmpbranch_inst32 (fragS * fragp)
6887 {
6888 int relaxable_p = 0;
6889 symbolS *s;
6890 /* For sign bit. */
6891 long offset;
6892 long frag_addr = fragp->fr_address + fragp->insn_addr;
6893 long symbol_address = 0;
6894 long value;
6895 unsigned long inst_value;
6896
6897 relaxable_p = s3_RELAX_OPT (fragp->fr_subtype);
6898
6899 s = fragp->fr_symbol;
6900 if (s == NULL)
6901 frag_addr = 0;
6902 else
6903 {
6904 if (s->bsym != 0)
6905 symbol_address = (addressT) s->sy_frag->fr_address;
6906 }
6907
6908 inst_value = s3_md_chars_to_number (fragp->fr_literal, s3_INSN_SIZE);
6909 offset = (inst_value & 0x1)
6910 | (((inst_value >> 7) & 0x7) << 1)
6911 | (((inst_value >> 21) & 0x1f) << 4);
6912 offset <<= 1;
6913 if ((offset & 0x200) == 0x200)
6914 offset |= 0xfffffe00;
6915
6916 value = offset + symbol_address - frag_addr;
6917 /* change the order of judging rule is because
6918 1.not defined symbol or common sysbol or external symbol will change
6919 bcmp to cmp!+beq/bne ,here need to record fragp->fr_opcode
6920 2.if the flow is as before : it will results to recursive loop
6921 */
6922 if (fragp->fr_fix == 6)
6923 {
6924 /* Have already relaxed! Just return 0 to terminate the loop. */
6925 return 0;
6926 }
6927 /* need to translate when extern or not defind or common sysbol */
6928 else if ((relaxable_p
6929 && (!((value & 0xfffffe00) == 0 || (value & 0xfffffe00) == 0xfffffe00))
6930 && fragp->fr_fix == 4
6931 && (s->bsym != NULL))
6932 || !S_IS_DEFINED (s)
6933 ||S_IS_COMMON (s)
6934 ||S_IS_EXTERNAL (s))
6935 {
6936 fragp->fr_opcode = fragp->fr_literal + s3_RELAX_RELOC1 (fragp->fr_subtype);
6937 fragp->fr_fix = 6;
6938 return 2;
6939 }
6940 else
6941 {
6942 /* Never relax. Modify fr_opcode to NULL to verify it's value in
6943 md_apply_fix. */
6944 fragp->fr_opcode = NULL;
6945 return 0;
6946 }
6947 }
6948
6949
6950 static int
6951 s3_relax_other_inst32 (fragS * fragp)
6952 {
6953 int relaxable_p = s3_RELAX_OPT (fragp->fr_subtype);
6954
6955 if (relaxable_p
6956 && fragp->fr_fix == 4)
6957 {
6958 fragp->fr_opcode = fragp->fr_literal + s3_RELAX_RELOC1 (fragp->fr_subtype);
6959 fragp->fr_fix = 2;
6960 return -2;
6961 }
6962 else
6963 return 0;
6964 }
6965
6966 static int
6967 s3_relax_gp_and_pic_inst32 (void)
6968 {
6969 /* md_estimate_size_before_relax has already relaxed s3_GP and s3_PIC
6970 instructions. We don't change relax size here. */
6971 return 0;
6972 }
6973
6974 static int
6975 s3_relax_frag (asection * sec ATTRIBUTE_UNUSED, fragS * fragp, long stretch ATTRIBUTE_UNUSED)
6976 {
6977 int grows = 0;
6978 int adjust_align_p = 0;
6979
6980 /* If the instruction address is odd, make it half word align first. */
6981 if ((fragp->fr_address) % 2 != 0)
6982 {
6983 if ((fragp->fr_address + fragp->insn_addr) % 2 != 0)
6984 {
6985 fragp->insn_addr = 1;
6986 grows += 1;
6987 adjust_align_p = 1;
6988 }
6989 }
6990
6991 switch (s3_RELAX_TYPE (fragp->fr_subtype))
6992 {
6993 case PC_DISP19div2:
6994 grows += s3_relax_branch_inst32 (fragp);
6995 break;
6996
6997 case PC_DISP8div2:
6998 grows += s3_relax_branch_inst16 (fragp);
6999 break;
7000
7001 case Insn_BCMP :
7002 grows += s3_relax_cmpbranch_inst32 (fragp);
7003 break;
7004
7005 case Insn_GP:
7006 case Insn_PIC:
7007 grows += s3_relax_gp_and_pic_inst32 ();
7008 break;
7009
7010 default:
7011 grows += s3_relax_other_inst32 (fragp);
7012 break;
7013 }
7014
7015 /* newly added */
7016 if (adjust_align_p && fragp->insn_addr)
7017 {
7018 fragp->fr_fix += fragp->insn_addr;
7019 }
7020
7021 return grows;
7022 }
7023
7024 static void
7025 s3_convert_frag (bfd * abfd ATTRIBUTE_UNUSED, segT sec ATTRIBUTE_UNUSED, fragS * fragp)
7026 {
7027 int r_old;
7028 int r_new;
7029 char backup[20];
7030 fixS *fixp;
7031
7032 r_old = s3_RELAX_OLD (fragp->fr_subtype);
7033 r_new = s3_RELAX_NEW (fragp->fr_subtype);
7034
7035 /* fragp->fr_opcode indicates whether this frag should be relaxed. */
7036 if (fragp->fr_opcode == NULL)
7037 {
7038 memcpy (backup, fragp->fr_literal, r_old);
7039 fragp->fr_fix = r_old;
7040 }
7041 else
7042 {
7043 memcpy (backup, fragp->fr_literal + r_old, r_new);
7044 fragp->fr_fix = r_new;
7045 }
7046
7047 fixp = fragp->tc_frag_data.fixp;
7048 while (fixp && fixp->fx_frag == fragp && fixp->fx_where < r_old)
7049 {
7050 if (fragp->fr_opcode)
7051 fixp->fx_done = 1;
7052 fixp = fixp->fx_next;
7053 }
7054 while (fixp && fixp->fx_frag == fragp)
7055 {
7056 if (fragp->fr_opcode)
7057 fixp->fx_where -= r_old + fragp->insn_addr;
7058 else
7059 fixp->fx_done = 1;
7060 fixp = fixp->fx_next;
7061 }
7062
7063 if (fragp->insn_addr)
7064 {
7065 s3_md_number_to_chars (fragp->fr_literal, 0x0, fragp->insn_addr);
7066 }
7067 memcpy (fragp->fr_literal + fragp->insn_addr, backup, fragp->fr_fix);
7068 fragp->fr_fix += fragp->insn_addr;
7069 }
7070
7071 static long
7072 s3_pcrel_from (fixS * fixP)
7073 {
7074 long retval = 0;
7075
7076 if (fixP->fx_addsy
7077 && (S_GET_SEGMENT (fixP->fx_addsy) == undefined_section)
7078 && (fixP->fx_subsy == NULL))
7079 {
7080 retval = 0;
7081 }
7082 else
7083 {
7084 retval = fixP->fx_where + fixP->fx_frag->fr_address;
7085 }
7086
7087 return retval;
7088 }
7089
7090 static valueT
7091 s3_section_align (segT segment ATTRIBUTE_UNUSED, valueT size)
7092 {
7093 int align = bfd_get_section_alignment (stdoutput, segment);
7094 return ((size + (1 << align) - 1) & (-1 << align));
7095 }
7096
7097 static void
7098 s3_apply_fix (fixS *fixP, valueT *valP, segT seg)
7099 {
7100 offsetT value = *valP;
7101 offsetT newval;
7102 offsetT content;
7103 unsigned short HI, LO;
7104
7105 char *buf = fixP->fx_frag->fr_literal + fixP->fx_where;
7106
7107 gas_assert (fixP->fx_r_type < BFD_RELOC_UNUSED);
7108 if (fixP->fx_addsy == 0 && !fixP->fx_pcrel)
7109 {
7110 if (fixP->fx_r_type != BFD_RELOC_SCORE_DUMMY_HI16)
7111 fixP->fx_done = 1;
7112 }
7113
7114 /* If this symbol is in a different section then we need to leave it for
7115 the linker to deal with. Unfortunately, md_pcrel_from can't tell,
7116 so we have to undo it's effects here. */
7117 if (fixP->fx_pcrel)
7118 {
7119 if (fixP->fx_addsy != NULL
7120 && S_IS_DEFINED (fixP->fx_addsy)
7121 && S_GET_SEGMENT (fixP->fx_addsy) != seg)
7122 value += md_pcrel_from (fixP);
7123 }
7124
7125 /* Remember value for emit_reloc. */
7126 fixP->fx_addnumber = value;
7127
7128 switch (fixP->fx_r_type)
7129 {
7130 case BFD_RELOC_HI16_S:
7131 if (fixP->fx_done) /* For la rd, imm32. */
7132 {
7133 newval = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7134 HI = (value) >> 16; /* mul to 2, then take the hi 16 bit. */
7135 newval |= (HI & 0x3fff) << 1;
7136 newval |= ((HI >> 14) & 0x3) << 16;
7137 s3_md_number_to_chars (buf, newval, s3_INSN_SIZE);
7138 }
7139 break;
7140 case BFD_RELOC_LO16:
7141 if (fixP->fx_done) /* For la rd, imm32. */
7142 {
7143 newval = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7144 LO = (value) & 0xffff;
7145 newval |= (LO & 0x3fff) << 1; /* 16 bit: imm -> 14 bit in lo, 2 bit in hi. */
7146 newval |= ((LO >> 14) & 0x3) << 16;
7147 s3_md_number_to_chars (buf, newval, s3_INSN_SIZE);
7148 }
7149 break;
7150 case BFD_RELOC_SCORE_JMP:
7151 {
7152 content = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7153 value = fixP->fx_offset;
7154 content = (content & ~0x3ff7ffe) | ((value << 1) & 0x3ff0000) | (value & 0x7fff);
7155 s3_md_number_to_chars (buf, content, s3_INSN_SIZE);
7156 }
7157 break;
7158
7159 case BFD_RELOC_SCORE_IMM30:
7160 {
7161 content = s3_md_chars_to_number (buf, s3_INSN48_SIZE);
7162 value = fixP->fx_offset;
7163 value >>= 2;
7164 content = (content & ~0x7f7fff7f80LL)
7165 | (((value & 0xff) >> 0) << 7)
7166 | (((value & 0x7fff00) >> 8) << 16)
7167 | (((value & 0x3f800000) >> 23) << 32);
7168 s3_md_number_to_chars (buf, content, s3_INSN48_SIZE);
7169 break;
7170 }
7171
7172 case BFD_RELOC_SCORE_IMM32:
7173 {
7174 content = s3_md_chars_to_number (buf, s3_INSN48_SIZE);
7175 value = fixP->fx_offset;
7176 content = (content & ~0x7f7fff7fe0LL)
7177 | ((value & 0x3ff) << 5)
7178 | (((value >> 10) & 0x7fff) << 16)
7179 | (((value >> 25) & 0x7f) << 32);
7180 s3_md_number_to_chars (buf, content, s3_INSN48_SIZE);
7181 break;
7182 }
7183
7184 case BFD_RELOC_SCORE_BRANCH:
7185 if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) || (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy)))
7186 value = fixP->fx_offset;
7187 else
7188 fixP->fx_done = 1;
7189
7190 content = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7191
7192 /* Don't check c-bit. */
7193 if (fixP->fx_frag->fr_opcode != 0)
7194 {
7195 if ((value & 0xfffffe00) != 0 && (value & 0xfffffe00) != 0xfffffe00)
7196 {
7197 as_bad_where (fixP->fx_file, fixP->fx_line,
7198 _(" branch relocation truncate (0x%x) [-2^9 ~ 2^9]"), (unsigned int)value);
7199 return;
7200 }
7201 content = s3_md_chars_to_number (buf, s3_INSN16_SIZE);
7202 content &= 0xfe00;
7203 content = (content & 0xfe00) | ((value >> 1) & 0x1ff);
7204 s3_md_number_to_chars (buf, content, s3_INSN16_SIZE);
7205 fixP->fx_r_type = BFD_RELOC_SCORE16_BRANCH;
7206 fixP->fx_size = 2;
7207 }
7208 else
7209 {
7210 if ((value & 0xfff80000) != 0 && (value & 0xfff80000) != 0xfff80000)
7211 {
7212 as_bad_where (fixP->fx_file, fixP->fx_line,
7213 _(" branch relocation truncate (0x%x) [-2^19 ~ 2^19]"), (unsigned int)value);
7214 return;
7215 }
7216 content = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7217 content &= 0xfc00fc01;
7218 content = (content & 0xfc00fc01) | (value & 0x3fe) | ((value << 6) & 0x3ff0000);
7219 s3_md_number_to_chars (buf, content, s3_INSN_SIZE);
7220 }
7221 break;
7222 case BFD_RELOC_SCORE16_JMP:
7223 content = s3_md_chars_to_number (buf, s3_INSN16_SIZE);
7224 content &= 0xf001;
7225 value = fixP->fx_offset & 0xfff;
7226 content = (content & 0xfc01) | (value & 0xffe);
7227 s3_md_number_to_chars (buf, content, s3_INSN16_SIZE);
7228 break;
7229 case BFD_RELOC_SCORE16_BRANCH:
7230 content = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7231 /* Don't check c-bit. */
7232 if (fixP->fx_frag->fr_opcode != 0)
7233 {
7234 if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) ||
7235 (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy)))
7236 value = fixP->fx_offset;
7237 else
7238 fixP->fx_done = 1;
7239 if ((value & 0xfff80000) != 0 && (value & 0xfff80000) != 0xfff80000)
7240 {
7241 as_bad_where (fixP->fx_file, fixP->fx_line,
7242 _(" branch relocation truncate (0x%x) [-2^19 ~ 2^19]"), (unsigned int)value);
7243 return;
7244 }
7245 content = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7246 content = (content & 0xfc00fc01) | (value & 0x3fe) | ((value << 6) & 0x3ff0000);
7247 s3_md_number_to_chars (buf, content, s3_INSN_SIZE);
7248 fixP->fx_r_type = BFD_RELOC_SCORE_BRANCH;
7249 fixP->fx_size = 4;
7250 break;
7251 }
7252 else
7253 {
7254 /* In differnt section. */
7255 if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) ||
7256 (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy)))
7257 value = fixP->fx_offset;
7258 else
7259 fixP->fx_done = 1;
7260
7261 if ((value & 0xfffffe00) != 0 && (value & 0xfffffe00) != 0xfffffe00)
7262 {
7263 as_bad_where (fixP->fx_file, fixP->fx_line,
7264 _(" branch relocation truncate (0x%x) [-2^9 ~ 2^9]"), (unsigned int)value);
7265 return;
7266 }
7267
7268 content = s3_md_chars_to_number (buf, s3_INSN16_SIZE);
7269 content = (content & 0xfe00) | ((value >> 1) & 0x1ff);
7270 s3_md_number_to_chars (buf, content, s3_INSN16_SIZE);
7271 break;
7272 }
7273
7274 break;
7275
7276 case BFD_RELOC_SCORE_BCMP:
7277 if (fixP->fx_frag->fr_opcode != 0)
7278 {
7279 char *buf_ptr = buf;
7280 buf_ptr += 2;
7281
7282 if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) || (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy)))
7283 value = fixP->fx_offset;
7284 else
7285 fixP->fx_done = 1;
7286
7287 /* NOTE!!!
7288 bcmp -> cmp! and branch, so value -= 2. */
7289 value -= 2;
7290
7291 if ((value & 0xfff80000) != 0 && (value & 0xfff80000) != 0xfff80000)
7292 {
7293 as_bad_where (fixP->fx_file, fixP->fx_line,
7294 _(" branch relocation truncate (0x%x) [-2^19 ~ 2^19]"), (unsigned int)value);
7295 return;
7296 }
7297
7298 content = s3_md_chars_to_number (buf_ptr, s3_INSN_SIZE);
7299 content &= 0xfc00fc01;
7300 content = (content & 0xfc00fc01) | (value & 0x3fe) | ((value << 6) & 0x3ff0000);
7301 s3_md_number_to_chars (buf_ptr, content, s3_INSN_SIZE);
7302 /* change relocation type to BFD_RELOC_SCORE_BRANCH */
7303 fixP->fx_r_type = BFD_RELOC_SCORE_BRANCH;
7304 fixP->fx_where+=2; /* first insn is cmp! , the second insn is beq/bne */
7305 break;
7306 }
7307 else
7308 {
7309 if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) || (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy)))
7310 value = fixP->fx_offset;
7311 else
7312 fixP->fx_done = 1;
7313
7314 content = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7315
7316 if ((value & 0xfffffe00) != 0 && (value & 0xfffffe00) != 0xfffffe00)
7317 {
7318 as_bad_where (fixP->fx_file, fixP->fx_line,
7319 _(" branch relocation truncate (0x%x) [-2^9 ~ 2^9]"), (unsigned int)value);
7320 return;
7321 }
7322
7323 value >>= 1;
7324 content &= ~0x03e00381;
7325 content = content
7326 | (value & 0x1)
7327 | (((value & 0xe) >> 1) << 7)
7328 | (((value & 0x1f0) >> 4) << 21);
7329
7330 s3_md_number_to_chars (buf, content, s3_INSN_SIZE);
7331 break;
7332 }
7333
7334 case BFD_RELOC_8:
7335 if (fixP->fx_done || fixP->fx_pcrel)
7336 s3_md_number_to_chars (buf, value, 1);
7337 #ifdef OBJ_ELF
7338 else
7339 {
7340 value = fixP->fx_offset;
7341 s3_md_number_to_chars (buf, value, 1);
7342 }
7343 #endif
7344 break;
7345
7346 case BFD_RELOC_16:
7347 if (fixP->fx_done || fixP->fx_pcrel)
7348 s3_md_number_to_chars (buf, value, 2);
7349 #ifdef OBJ_ELF
7350 else
7351 {
7352 value = fixP->fx_offset;
7353 s3_md_number_to_chars (buf, value, 2);
7354 }
7355 #endif
7356 break;
7357 case BFD_RELOC_RVA:
7358 case BFD_RELOC_32:
7359 if (fixP->fx_done || fixP->fx_pcrel)
7360 md_number_to_chars (buf, value, 4);
7361 #ifdef OBJ_ELF
7362 else
7363 {
7364 value = fixP->fx_offset;
7365 md_number_to_chars (buf, value, 4);
7366 }
7367 #endif
7368 break;
7369 case BFD_RELOC_VTABLE_INHERIT:
7370 fixP->fx_done = 0;
7371 if (fixP->fx_addsy && !S_IS_DEFINED (fixP->fx_addsy) && !S_IS_WEAK (fixP->fx_addsy))
7372 S_SET_WEAK (fixP->fx_addsy);
7373 break;
7374 case BFD_RELOC_VTABLE_ENTRY:
7375 fixP->fx_done = 0;
7376 break;
7377 case BFD_RELOC_SCORE_GPREL15:
7378 content = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7379 /* c-bit. */
7380 if ((fixP->fx_frag->fr_opcode != 0) && ((content & 0xfc1c8000) != 0x94180000))
7381 fixP->fx_r_type = BFD_RELOC_NONE;
7382 fixP->fx_done = 0;
7383 break;
7384 case BFD_RELOC_SCORE_GOT15:
7385 case BFD_RELOC_SCORE_DUMMY_HI16:
7386 case BFD_RELOC_SCORE_GOT_LO16:
7387 case BFD_RELOC_SCORE_CALL15:
7388 case BFD_RELOC_GPREL32:
7389 break;
7390 case BFD_RELOC_NONE:
7391 default:
7392 as_bad_where (fixP->fx_file, fixP->fx_line, _("bad relocation fixup type (%d)"), fixP->fx_r_type);
7393 }
7394 }
7395
7396 static arelent **
7397 s3_gen_reloc (asection * section ATTRIBUTE_UNUSED, fixS * fixp)
7398 {
7399 static arelent *retval[MAX_RELOC_EXPANSION + 1]; /* MAX_RELOC_EXPANSION equals 2. */
7400 arelent *reloc;
7401 bfd_reloc_code_real_type code;
7402 char *type;
7403
7404 reloc = retval[0] = xmalloc (sizeof (arelent));
7405 retval[1] = NULL;
7406
7407 reloc->sym_ptr_ptr = xmalloc (sizeof (asymbol *));
7408 *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
7409 reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
7410 reloc->addend = fixp->fx_offset;
7411
7412 /* If this is a variant frag, we may need to adjust the existing
7413 reloc and generate a new one. */
7414 if (fixp->fx_frag->fr_opcode != NULL && (fixp->fx_r_type == BFD_RELOC_SCORE_GPREL15))
7415 {
7416 /* Update instruction imm bit. */
7417 offsetT newval;
7418 unsigned short off;
7419 char *buf;
7420
7421 buf = fixp->fx_frag->fr_literal + fixp->fx_frag->insn_addr;
7422 newval = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7423 off = fixp->fx_offset >> 16;
7424 newval |= (off & 0x3fff) << 1;
7425 newval |= ((off >> 14) & 0x3) << 16;
7426 s3_md_number_to_chars (buf, newval, s3_INSN_SIZE);
7427
7428 buf += s3_INSN_SIZE;
7429 newval = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7430 off = fixp->fx_offset & 0xffff;
7431 newval |= ((off & 0x3fff) << 1);
7432 newval |= (((off >> 14) & 0x3) << 16);
7433 s3_md_number_to_chars (buf, newval, s3_INSN_SIZE);
7434
7435 retval[1] = xmalloc (sizeof (arelent));
7436 retval[2] = NULL;
7437 retval[1]->sym_ptr_ptr = xmalloc (sizeof (asymbol *));
7438 *retval[1]->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
7439 retval[1]->address = (reloc->address + s3_RELAX_RELOC2 (fixp->fx_frag->fr_subtype));
7440
7441 retval[1]->addend = 0;
7442 retval[1]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_LO16);
7443 gas_assert (retval[1]->howto != NULL);
7444
7445 fixp->fx_r_type = BFD_RELOC_HI16_S;
7446 }
7447
7448 code = fixp->fx_r_type;
7449 switch (fixp->fx_r_type)
7450 {
7451 case BFD_RELOC_32:
7452 if (fixp->fx_pcrel)
7453 {
7454 code = BFD_RELOC_32_PCREL;
7455 break;
7456 }
7457 case BFD_RELOC_HI16_S:
7458 case BFD_RELOC_LO16:
7459 case BFD_RELOC_SCORE_JMP:
7460 case BFD_RELOC_SCORE_BRANCH:
7461 case BFD_RELOC_SCORE16_JMP:
7462 case BFD_RELOC_SCORE16_BRANCH:
7463 case BFD_RELOC_SCORE_BCMP:
7464 case BFD_RELOC_VTABLE_ENTRY:
7465 case BFD_RELOC_VTABLE_INHERIT:
7466 case BFD_RELOC_SCORE_GPREL15:
7467 case BFD_RELOC_SCORE_GOT15:
7468 case BFD_RELOC_SCORE_DUMMY_HI16:
7469 case BFD_RELOC_SCORE_GOT_LO16:
7470 case BFD_RELOC_SCORE_CALL15:
7471 case BFD_RELOC_GPREL32:
7472 case BFD_RELOC_NONE:
7473 case BFD_RELOC_SCORE_IMM30:
7474 case BFD_RELOC_SCORE_IMM32:
7475 code = fixp->fx_r_type;
7476 break;
7477 default:
7478 type = _("<unknown>");
7479 as_bad_where (fixp->fx_file, fixp->fx_line,
7480 _("cannot represent %s relocation in this object file format"), type);
7481 return NULL;
7482 }
7483
7484 reloc->howto = bfd_reloc_type_lookup (stdoutput, code);
7485 if (reloc->howto == NULL)
7486 {
7487 as_bad_where (fixp->fx_file, fixp->fx_line,
7488 _("cannot represent %s relocation in this object file format1"),
7489 bfd_get_reloc_code_name (code));
7490 return NULL;
7491 }
7492 /* HACK: Since arm ELF uses Rel instead of Rela, encode the
7493 vtable entry to be used in the relocation's section offset. */
7494 if (fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
7495 reloc->address = fixp->fx_offset;
7496
7497 return retval;
7498 }
7499
7500 void
7501 md_assemble (char *str)
7502 {
7503 if (score3)
7504 s3_assemble (str);
7505 else
7506 s7_assemble (str);
7507 }
7508
7509 /* We handle all bad expressions here, so that we can report the faulty
7510 instruction in the error message. */
7511 void
7512 md_operand (expressionS * exp)
7513 {
7514 if (score3)
7515 s3_operand (exp);
7516 else
7517 s7_operand (exp);
7518 }
7519
7520 /* Turn an integer of n bytes (in val) into a stream of bytes appropriate
7521 for use in the a.out file, and stores them in the array pointed to by buf.
7522 This knows about the endian-ness of the target machine and does
7523 THE RIGHT THING, whatever it is. Possible values for n are 1 (byte)
7524 2 (short) and 4 (long) Floating numbers are put out as a series of
7525 LITTLENUMS (shorts, here at least). */
7526 void
7527 md_number_to_chars (char *buf, valueT val, int n)
7528 {
7529 if (score3)
7530 s3_number_to_chars (buf, val, n);
7531 else
7532 s7_number_to_chars (buf, val, n);
7533 }
7534
7535 /* Turn a string in input_line_pointer into a floating point constant
7536 of type TYPE, and store the appropriate bytes in *LITP. The number
7537 of LITTLENUMS emitted is stored in *SIZEP. An error message is
7538 returned, or NULL on OK.
7539
7540 Note that fp constants aren't represent in the normal way on the ARM.
7541 In big endian mode, things are as expected. However, in little endian
7542 mode fp constants are big-endian word-wise, and little-endian byte-wise
7543 within the words. For example, (double) 1.1 in big endian mode is
7544 the byte sequence 3f f1 99 99 99 99 99 9a, and in little endian mode is
7545 the byte sequence 99 99 f1 3f 9a 99 99 99. */
7546 char *
7547 md_atof (int type, char *litP, int *sizeP)
7548 {
7549 if (score3)
7550 return s3_atof (type, litP, sizeP);
7551 else
7552 return s7_atof (type, litP, sizeP);
7553 }
7554
7555 void
7556 score_frag_check (fragS * fragp ATTRIBUTE_UNUSED)
7557 {
7558 if (score3)
7559 s3_frag_check (fragp);
7560 else
7561 s7_frag_check (fragp);
7562 }
7563
7564 /* Implementation of TC_VALIDATE_FIX.
7565 Called before md_apply_fix() and after md_convert_frag(). */
7566 void
7567 score_validate_fix (fixS *fixP)
7568 {
7569 if (score3)
7570 s3_validate_fix (fixP);
7571 else
7572 s7_validate_fix (fixP);
7573 }
7574
7575 int
7576 score_force_relocation (struct fix *fixp)
7577 {
7578 if (score3)
7579 return s3_force_relocation (fixp);
7580 else
7581 return s7_force_relocation (fixp);
7582 }
7583
7584 /* Implementation of md_frag_check.
7585 Called after md_convert_frag(). */
7586 bfd_boolean
7587 score_fix_adjustable (fixS * fixP)
7588 {
7589 if (score3)
7590 return s3_fix_adjustable (fixP);
7591 else
7592 return s7_fix_adjustable (fixP);
7593 }
7594
7595 void
7596 score_elf_final_processing (void)
7597 {
7598 if (score3)
7599 s3_elf_final_processing ();
7600 else
7601 s7_elf_final_processing ();
7602 }
7603
7604 /* In this function, we determine whether s3_GP instruction should do relaxation,
7605 for the label being against was known now.
7606 Doing this here but not in md_relax_frag() can induce iteration times
7607 in stage of doing relax. */
7608 int
7609 md_estimate_size_before_relax (fragS * fragp, asection * sec ATTRIBUTE_UNUSED)
7610 {
7611 if (score3)
7612 return s3_estimate_size_before_relax (fragp, sec);
7613 else
7614 return s7_estimate_size_before_relax (fragp, sec);
7615 }
7616
7617 int
7618 score_relax_frag (asection * sec ATTRIBUTE_UNUSED, fragS * fragp, long stretch ATTRIBUTE_UNUSED)
7619 {
7620 if (score3)
7621 return s3_relax_frag (sec, fragp, stretch);
7622 else
7623 return s7_relax_frag (sec, fragp, stretch);
7624 }
7625
7626 void
7627 md_convert_frag (bfd * abfd ATTRIBUTE_UNUSED, segT sec ATTRIBUTE_UNUSED, fragS * fragp)
7628 {
7629 if (score3)
7630 return s3_convert_frag (abfd, sec, fragp);
7631 else
7632 return s7_convert_frag (abfd, sec, fragp);
7633 }
7634
7635 long
7636 md_pcrel_from (fixS * fixP)
7637 {
7638 if (score3)
7639 return s3_pcrel_from (fixP);
7640 else
7641 return s7_pcrel_from (fixP);
7642 }
7643
7644 /* Round up a section size to the appropriate boundary. */
7645 valueT
7646 md_section_align (segT segment ATTRIBUTE_UNUSED, valueT size)
7647 {
7648 if (score3)
7649 return s3_section_align (segment, size);
7650 else
7651 return s7_section_align (segment, size);
7652 }
7653
7654 void
7655 md_apply_fix (fixS *fixP, valueT *valP, segT seg)
7656 {
7657 if (score3)
7658 return s3_apply_fix (fixP, valP, seg);
7659 else
7660 return s7_apply_fix (fixP, valP, seg);
7661 }
7662
7663 /* Translate internal representation of relocation info to BFD target format. */
7664 arelent **
7665 tc_gen_reloc (asection * section ATTRIBUTE_UNUSED, fixS * fixp)
7666 {
7667 if (score3)
7668 return s3_gen_reloc (section, fixp);
7669 else
7670 return s7_gen_reloc (section, fixp);
7671 }
7672
7673 void
7674 md_begin (void)
7675 {
7676 s3_begin ();
7677 s7_begin ();
7678 }
7679
7680 static void
7681 score_set_mach (const char *arg)
7682 {
7683 if (strcmp (arg, MARCH_SCORE3) == 0)
7684 {
7685 score3 = 1;
7686 score7 = 0;
7687 s3_score3d = 1;
7688 }
7689 else if (strcmp (arg, MARCH_SCORE7) == 0)
7690 {
7691 score3 = 0;
7692 score7 = 1;
7693 s7_score7d = 1;
7694 s7_university_version = 0;
7695 s7_vector_size = s7_SCORE7_PIPELINE;
7696 }
7697 else if (strcmp (arg, MARCH_SCORE5) == 0)
7698 {
7699 score3 = 0;
7700 score7 = 1;
7701 s7_score7d = 1;
7702 s7_university_version = 0;
7703 s7_vector_size = s7_SCORE5_PIPELINE;
7704 }
7705 else if (strcmp (arg, MARCH_SCORE5U) == 0)
7706 {
7707 score3 = 0;
7708 score7 = 1;
7709 s7_score7d = 1;
7710 s7_university_version = 1;
7711 s7_vector_size = s7_SCORE5_PIPELINE;
7712 }
7713 else
7714 {
7715 as_bad (_("unknown architecture `%s'\n"), arg);
7716 }
7717 }
7718
7719 int
7720 md_parse_option (int c, char *arg)
7721 {
7722 switch (c)
7723 {
7724 #ifdef OPTION_EB
7725 case OPTION_EB:
7726 target_big_endian = 1;
7727 break;
7728 #endif
7729 #ifdef OPTION_EL
7730 case OPTION_EL:
7731 target_big_endian = 0;
7732 break;
7733 #endif
7734 case OPTION_FIXDD:
7735 s3_fix_data_dependency = 1;
7736 s7_fix_data_dependency = 1;
7737 break;
7738 case OPTION_NWARN:
7739 s3_warn_fix_data_dependency = 0;
7740 s7_warn_fix_data_dependency = 0;
7741 break;
7742 case OPTION_SCORE5:
7743 score3 = 0;
7744 score7 = 1;
7745 s7_university_version = 0;
7746 s7_vector_size = s7_SCORE5_PIPELINE;
7747 break;
7748 case OPTION_SCORE5U:
7749 score3 = 0;
7750 score7 = 1;
7751 s7_university_version = 1;
7752 s7_vector_size = s7_SCORE5_PIPELINE;
7753 break;
7754 case OPTION_SCORE7:
7755 score3 = 0;
7756 score7 = 1;
7757 s7_score7d = 1;
7758 s7_university_version = 0;
7759 s7_vector_size = s7_SCORE7_PIPELINE;
7760 break;
7761 case OPTION_SCORE3:
7762 score3 = 1;
7763 score7 = 0;
7764 s3_score3d = 1;
7765 break;
7766 case OPTION_R1:
7767 s3_nor1 = 0;
7768 s7_nor1 = 0;
7769 break;
7770 case 'G':
7771 s3_g_switch_value = atoi (arg);
7772 s7_g_switch_value = atoi (arg);
7773 break;
7774 case OPTION_O0:
7775 s3_g_opt = 0;
7776 s7_g_opt = 0;
7777 break;
7778 case OPTION_SCORE_VERSION:
7779 printf (_("Sunplus-v2-0-0-20060510\n"));
7780 break;
7781 case OPTION_PIC:
7782 s3_score_pic = s3_NO_PIC; /* Score3 doesn't support PIC now. */
7783 s7_score_pic = s7_PIC;
7784 s3_g_switch_value = 0; /* Must set -G num as 0 to generate s3_PIC code. */
7785 s7_g_switch_value = 0; /* Must set -G num as 0 to generate s7_PIC code. */
7786 break;
7787 case OPTION_MARCH:
7788 score_set_mach (arg);
7789 break;
7790 default:
7791 return 0;
7792 }
7793 return 1;
7794 }
7795
7796 void
7797 md_show_usage (FILE * fp)
7798 {
7799 fprintf (fp, _(" Score-specific assembler options:\n"));
7800 #ifdef OPTION_EB
7801 fprintf (fp, _("\
7802 -EB\t\tassemble code for a big-endian cpu\n"));
7803 #endif
7804
7805 #ifdef OPTION_EL
7806 fprintf (fp, _("\
7807 -EL\t\tassemble code for a little-endian cpu\n"));
7808 #endif
7809
7810 fprintf (fp, _("\
7811 -FIXDD\t\tassemble code for fix data dependency\n"));
7812 fprintf (fp, _("\
7813 -NWARN\t\tassemble code for no warning message for fix data dependency\n"));
7814 fprintf (fp, _("\
7815 -SCORE5\t\tassemble code for target is SCORE5\n"));
7816 fprintf (fp, _("\
7817 -SCORE5U\tassemble code for target is SCORE5U\n"));
7818 fprintf (fp, _("\
7819 -SCORE7\t\tassemble code for target is SCORE7, this is default setting\n"));
7820 fprintf (fp, _("\
7821 -SCORE3\t\tassemble code for target is SCORE3\n"));
7822 fprintf (fp, _("\
7823 -march=score7\tassemble code for target is SCORE7, this is default setting\n"));
7824 fprintf (fp, _("\
7825 -march=score3\tassemble code for target is SCORE3\n"));
7826 fprintf (fp, _("\
7827 -USE_R1\t\tassemble code for no warning message when using temp register r1\n"));
7828 fprintf (fp, _("\
7829 -KPIC\t\tassemble code for PIC\n"));
7830 fprintf (fp, _("\
7831 -O0\t\tassembler will not perform any optimizations\n"));
7832 fprintf (fp, _("\
7833 -G gpnum\tassemble code for setting gpsize and default is 8 byte\n"));
7834 fprintf (fp, _("\
7835 -V \t\tSunplus release version \n"));
7836 }
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