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