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