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[binutils.git] / gas / config / tc-score.c
blob61220de3eac2e09b2f90e26ec464e8ee669895c3
1 /* tc-score.c -- Assembler for Score
2 Copyright 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
3 Contributed by:
4 Brain.lin (brain.lin@sunplusct.com)
5 Mei Ligang (ligang@sunnorth.com.cn)
6 Pei-Lin Tsai (pltsai@sunplus.com)
7
8 This file is part of GAS, the GNU Assembler.
9
10 GAS is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3, or (at your option)
13 any later version.
14
15 GAS is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with GAS; see the file COPYING. If not, write to the Free
22 Software Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
23 02110-1301, USA. */
24
25 #include "tc-score7.c"
26
27 static void s3_s_score_bss (int ignore ATTRIBUTE_UNUSED);
28 static void s3_s_score_text (int ignore);
29 static void s3_score_s_section (int ignore);
30 static void s3_s_change_sec (int sec);
31 static void s3_s_score_mask (int reg_type ATTRIBUTE_UNUSED);
32 static void s3_s_score_ent (int aent);
33 static void s3_s_score_frame (int ignore ATTRIBUTE_UNUSED);
34 static void s3_s_score_end (int x ATTRIBUTE_UNUSED);
35 static void s3_s_score_set (int x ATTRIBUTE_UNUSED);
36 static void s3_s_score_cpload (int ignore ATTRIBUTE_UNUSED);
37 static void s3_s_score_cprestore (int ignore ATTRIBUTE_UNUSED);
38 static void s3_s_score_gpword (int ignore ATTRIBUTE_UNUSED);
39 static void s3_s_score_cpadd (int ignore ATTRIBUTE_UNUSED);
40 static void s3_s_score_lcomm (int bytes_p);
41
42 static void s_score_bss (int ignore ATTRIBUTE_UNUSED);
43 static void s_score_text (int ignore);
44 static void s_section (int ignore);
45 static void s_change_sec (int sec);
46 static void s_score_mask (int reg_type ATTRIBUTE_UNUSED);
47 static void s_score_ent (int aent);
48 static void s_score_frame (int ignore ATTRIBUTE_UNUSED);
49 static void s_score_end (int x ATTRIBUTE_UNUSED);
50 static void s_score_set (int x ATTRIBUTE_UNUSED);
51 static void s_score_cpload (int ignore ATTRIBUTE_UNUSED);
52 static void s_score_cprestore (int ignore ATTRIBUTE_UNUSED);
53 static void s_score_gpword (int ignore ATTRIBUTE_UNUSED);
54 static void s_score_cpadd (int ignore ATTRIBUTE_UNUSED);
55 static void s_score_lcomm (int bytes_p);
56
57 /* s3: hooks. */
58 static void s3_md_number_to_chars (char *buf, valueT val, int n);
59 static valueT s3_md_chars_to_number (char *buf, int n);
60 static void s3_assemble (char *str);
61 static void s3_operand (expressionS *);
62 static void s3_begin (void);
63 static void s3_number_to_chars (char *buf, valueT val, int n);
64 static char *s3_atof (int type, char *litP, int *sizeP);
65 static void s3_frag_check (fragS * fragp ATTRIBUTE_UNUSED);
66 static void s3_validate_fix (fixS *fixP);
67 static int s3_force_relocation (struct fix *fixp);
68 static bfd_boolean s3_fix_adjustable (fixS * fixP);
69 static void s3_elf_final_processing (void);
70 static int s3_estimate_size_before_relax (fragS * fragp, asection * sec ATTRIBUTE_UNUSED);
71 static int s3_relax_frag (asection * sec ATTRIBUTE_UNUSED, fragS * fragp, long stretch ATTRIBUTE_UNUSED);
72 static void s3_convert_frag (bfd * abfd ATTRIBUTE_UNUSED, segT sec ATTRIBUTE_UNUSED, fragS * fragp);
73 static long s3_pcrel_from (fixS * fixP);
74 static valueT s3_section_align (segT segment ATTRIBUTE_UNUSED, valueT size);
75 static void s3_apply_fix (fixS *fixP, valueT *valP, segT seg);
76 static arelent **s3_gen_reloc (asection * section ATTRIBUTE_UNUSED, fixS * fixp);
77
78 /* s3: utils. */
79 static void s3_do_ldst_insn (char *);
80 static void s3_do_crdcrscrsimm5 (char *);
81 static void s3_do_ldst_unalign (char *);
82 static void s3_do_ldst_atomic (char *);
83 static void s3_do_ldst_cop (char *);
84 static void s3_do_macro_li_rdi32 (char *);
85 static void s3_do_macro_la_rdi32 (char *);
86 static void s3_do_macro_rdi32hi (char *);
87 static void s3_do_macro_rdi32lo (char *);
88 static void s3_do_macro_mul_rdrsrs (char *);
89 static void s3_do_macro_bcmp (char *);
90 static void s3_do_macro_bcmpz (char *);
91 static void s3_do_macro_ldst_label (char *);
92 static void s3_do_branch (char *);
93 static void s3_do_jump (char *);
94 static void s3_do_empty (char *);
95 static void s3_do16_int (char *);
96 static void s3_do_rdrsrs (char *);
97 static void s3_do_rdsi16 (char *);
98 static void s3_do_rdrssi14 (char *);
99 static void s3_do_sub_rdsi16 (char *);
100 static void s3_do_sub_rdi16 (char *);
101 static void s3_do_sub_rdrssi14 (char *);
102 static void s3_do_rdrsi5 (char *);
103 static void s3_do_rdrsi14 (char *);
104 static void s3_do_rdi16 (char *);
105 static void s3_do_ldis (char *);
106 static void s3_do_xrsi5 (char *);
107 static void s3_do_rdrs (char *);
108 static void s3_do_rdxrs (char *);
109 static void s3_do_rsrs (char *);
110 static void s3_do_rdcrs (char *);
111 static void s3_do_rdsrs (char *);
112 static void s3_do_rd (char *);
113 static void s3_do16_dsp (char *);
114 static void s3_do16_dsp2 (char *);
115 static void s3_do_dsp (char *);
116 static void s3_do_dsp2 (char *);
117 static void s3_do_dsp3 (char *);
118 static void s3_do_rs (char *);
119 static void s3_do_i15 (char *);
120 static void s3_do_xi5x (char *);
121 static void s3_do_ceinst (char *);
122 static void s3_do_cache (char *);
123 static void s3_do16_rdrs2 (char *);
124 static void s3_do16_br (char *);
125 static void s3_do16_brr (char *);
126 static void s3_do_ltb (char *);
127 static void s3_do16_mv_cmp (char *);
128 static void s3_do16_addi (char *);
129 static void s3_do16_cmpi (char *);
130 static void s3_do16_rdi5 (char *);
131 static void s3_do16_xi5 (char *);
132 static void s3_do16_ldst_insn (char *);
133 static void s3_do16_slli_srli(char *);
134 static void s3_do16_ldiu(char *);
135 static void s3_do16_push_pop (char *);
136 static void s3_do16_rpush (char *);
137 static void s3_do16_rpop (char *);
138 static void s3_do16_branch (char *);
139 static void s3_do_lw48 (char *);
140 static void s3_do_sw48 (char *);
141 static void s3_do_ldi48 (char *);
142 static void s3_do_sdbbp48 (char *);
143 static void s3_do_and48 (char *);
144 static void s3_do_or48 (char *);
145 static void s3_do_mbitclr (char *);
146 static void s3_do_mbitset (char *);
147 static void s3_do_rdi16_pic (char *);
148 static void s3_do_addi_s_pic (char *);
149 static void s3_do_addi_u_pic (char *);
150 static void s3_do_lw_pic (char *);
151
152 #define MARCH_SCORE3 "score3"
153 #define MARCH_SCORE3D "score3d"
154 #define MARCH_SCORE7 "score7"
155 #define MARCH_SCORE7D "score7d"
156 #define MARCH_SCORE5 "score5"
157 #define MARCH_SCORE5U "score5u"
158
159 #define SCORE_BI_ENDIAN
160
161 #ifdef SCORE_BI_ENDIAN
162 #define OPTION_EB (OPTION_MD_BASE + 0)
163 #define OPTION_EL (OPTION_MD_BASE + 1)
164 #else
165 #if TARGET_BYTES_BIG_ENDIAN
166 #define OPTION_EB (OPTION_MD_BASE + 0)
167 #else
168 #define OPTION_EL (OPTION_MD_BASE + 1)
169 #endif
170 #endif
171 #define OPTION_FIXDD (OPTION_MD_BASE + 2)
172 #define OPTION_NWARN (OPTION_MD_BASE + 3)
173 #define OPTION_SCORE5 (OPTION_MD_BASE + 4)
174 #define OPTION_SCORE5U (OPTION_MD_BASE + 5)
175 #define OPTION_SCORE7 (OPTION_MD_BASE + 6)
176 #define OPTION_R1 (OPTION_MD_BASE + 7)
177 #define OPTION_O0 (OPTION_MD_BASE + 8)
178 #define OPTION_SCORE_VERSION (OPTION_MD_BASE + 9)
179 #define OPTION_PIC (OPTION_MD_BASE + 10)
180 #define OPTION_MARCH (OPTION_MD_BASE + 11)
181 #define OPTION_SCORE3 (OPTION_MD_BASE + 12)
182
183 /* This array holds the chars that always start a comment. If the
184 pre-processor is disabled, these aren't very useful. */
185 const char comment_chars[] = "#";
186 const char line_comment_chars[] = "#";
187 const char line_separator_chars[] = ";";
188 /* Chars that can be used to separate mant from exp in floating point numbers. */
189 const char EXP_CHARS[] = "eE";
190 const char FLT_CHARS[] = "rRsSfFdDxXeEpP";
191
192 #ifdef OBJ_ELF
193 /* Pre-defined "_GLOBAL_OFFSET_TABLE_" */
194 symbolS *GOT_symbol;
195 #endif
196
197 const pseudo_typeS md_pseudo_table[] =
198 {
199 {"bss", s_score_bss, 0},
200 {"text", s_score_text, 0},
201 {"word", cons, 4},
202 {"long", cons, 4},
203 {"extend", float_cons, 'x'},
204 {"ldouble", float_cons, 'x'},
205 {"packed", float_cons, 'p'},
206 {"end", s_score_end, 0},
207 {"ent", s_score_ent, 0},
208 {"frame", s_score_frame, 0},
209 {"rdata", s_change_sec, 'r'},
210 {"sdata", s_change_sec, 's'},
211 {"set", s_score_set, 0},
212 {"mask", s_score_mask, 'R'},
213 {"dword", cons, 8},
214 {"lcomm", s_score_lcomm, 1},
215 {"section", s_section, 0},
216 {"cpload", s_score_cpload, 0},
217 {"cprestore", s_score_cprestore, 0},
218 {"gpword", s_score_gpword, 0},
219 {"cpadd", s_score_cpadd, 0},
220 {0, 0, 0}
221 };
222
223 const char *md_shortopts = "nO::g::G:";
224 struct option md_longopts[] =
225 {
226 #ifdef OPTION_EB
227 {"EB" , no_argument, NULL, OPTION_EB},
228 #endif
229 #ifdef OPTION_EL
230 {"EL" , no_argument, NULL, OPTION_EL},
231 #endif
232 {"FIXDD" , no_argument, NULL, OPTION_FIXDD},
233 {"NWARN" , no_argument, NULL, OPTION_NWARN},
234 {"SCORE5" , no_argument, NULL, OPTION_SCORE5},
235 {"SCORE5U", no_argument, NULL, OPTION_SCORE5U},
236 {"SCORE7" , no_argument, NULL, OPTION_SCORE7},
237 {"USE_R1" , no_argument, NULL, OPTION_R1},
238 {"O0" , no_argument, NULL, OPTION_O0},
239 {"V" , no_argument, NULL, OPTION_SCORE_VERSION},
240 {"KPIC" , no_argument, NULL, OPTION_PIC},
241 {"march=" , required_argument, NULL, OPTION_MARCH},
242 {"SCORE3" , no_argument, NULL, OPTION_SCORE3},
243 {NULL , no_argument, NULL, 0}
244 };
245
246 size_t md_longopts_size = sizeof (md_longopts);
247
248 #define s3_GP 28
249 #define s3_PIC_CALL_REG 29
250 #define s3_MAX_LITERAL_POOL_SIZE 1024
251 #define s3_FAIL 0x80000000
252 #define s3_SUCCESS 0
253 #define s3_INSN48_SIZE 6
254 #define s3_INSN_SIZE 4
255 #define s3_INSN16_SIZE 2
256 #define s3_RELAX_INST_NUM 3
257
258 /* For score5u : div/mul will pop warning message, mmu/alw/asw will pop error message. */
259 #define s3_BAD_ARGS _("bad arguments to instruction")
260 #define s3_ERR_FOR_SCORE5U_MUL_DIV _("div / mul are reserved instructions")
261 #define s3_ERR_FOR_SCORE5U_MMU _("This architecture doesn't support mmu")
262 #define s3_ERR_FOR_SCORE5U_ATOMIC _("This architecture doesn't support atomic instruction")
263 #define s3_BAD_SKIP_COMMA s3_BAD_ARGS
264 #define s3_BAD_GARBAGE _("garbage following instruction");
265
266 #define s3_skip_whitespace(str) while (*(str) == ' ') ++(str)
267
268 /* The name of the readonly data section. */
269 #define s3_RDATA_SECTION_NAME (OUTPUT_FLAVOR == bfd_target_aout_flavour \
270 ? ".data" \
271 : OUTPUT_FLAVOR == bfd_target_ecoff_flavour \
272 ? ".rdata" \
273 : OUTPUT_FLAVOR == bfd_target_coff_flavour \
274 ? ".rdata" \
275 : OUTPUT_FLAVOR == bfd_target_elf_flavour \
276 ? ".rodata" \
277 : (abort (), ""))
278
279 #define s3_RELAX_ENCODE(old, new, type, reloc1, reloc2, opt) \
280 ((relax_substateT) \
281 (((old) << 23) \
282 | ((new) << 16) \
283 | ((type) << 9) \
284 | ((reloc1) << 5) \
285 | ((reloc2) << 1) \
286 | ((opt) ? 1 : 0)))
287
288 #define s3_RELAX_OLD(i) (((i) >> 23) & 0x7f)
289 #define s3_RELAX_NEW(i) (((i) >> 16) & 0x7f)
290 #define s3_RELAX_TYPE(i) (((i) >> 9) & 0x7f)
291 #define s3_RELAX_RELOC1(i) ((valueT) ((i) >> 5) & 0xf)
292 #define s3_RELAX_RELOC2(i) ((valueT) ((i) >> 1) & 0xf)
293 #define s3_RELAX_OPT(i) ((i) & 1)
294
295 #define s3_SET_INSN_ERROR(s) (s3_inst.error = (s))
296 #define s3_INSN_IS_PCE_P(s) (strstr (str, "||") != NULL)
297 #define s3_INSN_IS_48_P(s) (strstr (str, "48") != NULL)
298 #define s3_GET_INSN_CLASS(type) (s3_get_insn_class_from_type (type))
299 #define s3_GET_INSN_SIZE(type) ((s3_GET_INSN_CLASS (type) == INSN_CLASS_16) \
300 ? s3_INSN16_SIZE : (s3_GET_INSN_CLASS (type) == INSN_CLASS_48) \
301 ? s3_INSN48_SIZE : s3_INSN_SIZE)
302
303 #define s3_MAX_LITTLENUMS 6
304 #define s3_INSN_NAME_LEN 16
305
306 /* Relax will need some padding for alignment. */
307 #define s3_RELAX_PAD_BYTE 3
308
309
310 #define s3_USE_GLOBAL_POINTER_OPT 1
311
312 /* Enumeration matching entries in table above. */
313 enum s3_score_reg_type
314 {
315 s3_REG_TYPE_SCORE = 0,
316 #define s3_REG_TYPE_FIRST s3_REG_TYPE_SCORE
317 s3_REG_TYPE_SCORE_SR = 1,
318 s3_REG_TYPE_SCORE_CR = 2,
319 s3_REG_TYPE_MAX = 3
320 };
321
322 enum s3_score_pic_level
323 {
324 s3_NO_PIC,
325 s3_PIC
326 };
327 static enum s3_score_pic_level s3_score_pic = s3_NO_PIC;
328
329 enum s3_insn_type_for_dependency
330 {
331 s3_D_mtcr,
332 s3_D_all_insn
333 };
334
335 struct s3_insn_to_dependency
336 {
337 char *insn_name;
338 enum s3_insn_type_for_dependency type;
339 };
340
341 struct s3_data_dependency
342 {
343 enum s3_insn_type_for_dependency pre_insn_type;
344 char pre_reg[6];
345 enum s3_insn_type_for_dependency cur_insn_type;
346 char cur_reg[6];
347 int bubblenum_7;
348 int bubblenum_3;
349 int warn_or_error; /* warning - 0; error - 1 */
350 };
351
352 static const struct s3_insn_to_dependency s3_insn_to_dependency_table[] =
353 {
354 /* move spectial instruction. */
355 {"mtcr", s3_D_mtcr},
356 };
357
358 static const struct s3_data_dependency s3_data_dependency_table[] =
359 {
360 /* Status regiser. */
361 {s3_D_mtcr, "cr0", s3_D_all_insn, "", 5, 1, 0},
362 };
363
364 /* Used to contain constructed error messages. */
365 static char s3_err_msg[255];
366
367 static int s3_fix_data_dependency = 0;
368 static int s3_warn_fix_data_dependency = 1;
369
370 static int s3_in_my_get_expression = 0;
371
372 /* Default, pop warning message when using r1. */
373 static int s3_nor1 = 1;
374
375 /* Default will do instruction relax, -O0 will set s3_g_opt = 0. */
376 static unsigned int s3_g_opt = 1;
377
378 /* The size of the small data section. */
379 static unsigned int s3_g_switch_value = 8;
380
381 static segT s3_pdr_seg;
382
383 struct s3_score_it
384 {
385 char name[s3_INSN_NAME_LEN];
386 bfd_vma instruction;
387 bfd_vma relax_inst;
388 int size;
389 int relax_size;
390 enum score_insn_type type;
391 char str[s3_MAX_LITERAL_POOL_SIZE];
392 const char *error;
393 int bwarn;
394 char reg[s3_INSN_NAME_LEN];
395 struct
396 {
397 bfd_reloc_code_real_type type;
398 expressionS exp;
399 int pc_rel;
400 }reloc;
401 };
402 static struct s3_score_it s3_inst;
403
404 typedef struct s3_proc
405 {
406 symbolS *isym;
407 unsigned long reg_mask;
408 unsigned long reg_offset;
409 unsigned long fpreg_mask;
410 unsigned long leaf;
411 unsigned long frame_offset;
412 unsigned long frame_reg;
413 unsigned long pc_reg;
414 } s3_procS;
415 static s3_procS s3_cur_proc;
416 static s3_procS *s3_cur_proc_ptr;
417 static int s3_numprocs;
418
419
420 /* Structure for a hash table entry for a register. */
421 struct s3_reg_entry
422 {
423 const char *name;
424 int number;
425 };
426
427 static const struct s3_reg_entry s3_score_rn_table[] =
428 {
429 {"r0", 0}, {"r1", 1}, {"r2", 2}, {"r3", 3},
430 {"r4", 4}, {"r5", 5}, {"r6", 6}, {"r7", 7},
431 {"r8", 8}, {"r9", 9}, {"r10", 10}, {"r11", 11},
432 {"r12", 12}, {"r13", 13}, {"r14", 14}, {"r15", 15},
433 {"r16", 16}, {"r17", 17}, {"r18", 18}, {"r19", 19},
434 {"r20", 20}, {"r21", 21}, {"r22", 22}, {"r23", 23},
435 {"r24", 24}, {"r25", 25}, {"r26", 26}, {"r27", 27},
436 {"r28", 28}, {"r29", 29}, {"r30", 30}, {"r31", 31},
437 {NULL, 0}
438 };
439
440 static const struct s3_reg_entry s3_score_srn_table[] =
441 {
442 {"sr0", 0}, {"sr1", 1}, {"sr2", 2},
443 {NULL, 0}
444 };
445
446 static const struct s3_reg_entry s3_score_crn_table[] =
447 {
448 {"cr0", 0}, {"cr1", 1}, {"cr2", 2}, {"cr3", 3},
449 {"cr4", 4}, {"cr5", 5}, {"cr6", 6}, {"cr7", 7},
450 {"cr8", 8}, {"cr9", 9}, {"cr10", 10}, {"cr11", 11},
451 {"cr12", 12}, {"cr13", 13}, {"cr14", 14}, {"cr15", 15},
452 {"cr16", 16}, {"cr17", 17}, {"cr18", 18}, {"cr19", 19},
453 {"cr20", 20}, {"cr21", 21}, {"cr22", 22}, {"cr23", 23},
454 {"cr24", 24}, {"cr25", 25}, {"cr26", 26}, {"cr27", 27},
455 {"cr28", 28}, {"cr29", 29}, {"cr30", 30}, {"cr31", 31},
456 {NULL, 0}
457 };
458
459 struct s3_reg_map
460 {
461 const struct s3_reg_entry *names;
462 int max_regno;
463 struct hash_control *htab;
464 const char *expected;
465 };
466
467 static struct s3_reg_map s3_all_reg_maps[] =
468 {
469 {s3_score_rn_table, 31, NULL, N_("S+core register expected")},
470 {s3_score_srn_table, 2, NULL, N_("S+core special-register expected")},
471 {s3_score_crn_table, 31, NULL, N_("S+core co-processor register expected")},
472 };
473
474 static struct hash_control *s3_score_ops_hsh = NULL;
475 static struct hash_control *s3_dependency_insn_hsh = NULL;
476
477
478 struct s3_datafield_range
479 {
480 int data_type;
481 int bits;
482 int range[2];
483 };
484
485 static struct s3_datafield_range s3_score_df_range[] =
486 {
487 {_IMM4, 4, {0, (1 << 4) - 1}}, /* ( 0 ~ 15 ) */
488 {_IMM5, 5, {0, (1 << 5) - 1}}, /* ( 0 ~ 31 ) */
489 {_IMM8, 8, {0, (1 << 8) - 1}}, /* ( 0 ~ 255 ) */
490 {_IMM14, 14, {0, (1 << 14) - 1}}, /* ( 0 ~ 16383) */
491 {_IMM15, 15, {0, (1 << 15) - 1}}, /* ( 0 ~ 32767) */
492 {_IMM16, 16, {0, (1 << 16) - 1}}, /* ( 0 ~ 65535) */
493 {_SIMM10, 10, {-(1 << 9), (1 << 9) - 1}}, /* ( -512 ~ 511 ) */
494 {_SIMM12, 12, {-(1 << 11), (1 << 11) - 1}}, /* ( -2048 ~ 2047 ) */
495 {_SIMM14, 14, {-(1 << 13), (1 << 13) - 1}}, /* ( -8192 ~ 8191 ) */
496 {_SIMM15, 15, {-(1 << 14), (1 << 14) - 1}}, /* (-16384 ~ 16383) */
497 {_SIMM16, 16, {-(1 << 15), (1 << 15) - 1}}, /* (-32768 ~ 32767) */
498 {_SIMM14_NEG, 14, {-(1 << 13), (1 << 13) - 1}}, /* ( -8191 ~ 8192 ) */
499 {_IMM16_NEG, 16, {0, (1 << 16) - 1}}, /* (-65535 ~ 0 ) */
500 {_SIMM16_NEG, 16, {-(1 << 15), (1 << 15) - 1}}, /* (-32768 ~ 32767) */
501 {_IMM20, 20, {0, (1 << 20) - 1}},
502 {_IMM25, 25, {0, (1 << 25) - 1}},
503 {_DISP8div2, 8, {-(1 << 8), (1 << 8) - 1}}, /* ( -256 ~ 255 ) */
504 {_DISP11div2, 11, {0, 0}},
505 {_DISP19div2, 19, {-(1 << 19), (1 << 19) - 1}}, /* (-524288 ~ 524287) */
506 {_DISP24div2, 24, {0, 0}},
507 {_VALUE, 32, {0, ((unsigned int)1 << 31) - 1}},
508 {_VALUE_HI16, 16, {0, (1 << 16) - 1}},
509 {_VALUE_LO16, 16, {0, (1 << 16) - 1}},
510 {_VALUE_LDST_LO16, 16, {0, (1 << 16) - 1}},
511 {_SIMM16_LA, 16, {-(1 << 15), (1 << 15) - 1}}, /* (-32768 ~ 32767) */
512 {_IMM5_RSHIFT_1, 5, {0, (1 << 6) - 1}}, /* ( 0 ~ 63 ) */
513 {_IMM5_RSHIFT_2, 5, {0, (1 << 7) - 1}}, /* ( 0 ~ 127 ) */
514 {_SIMM16_LA_POS, 16, {0, (1 << 15) - 1}}, /* ( 0 ~ 32767) */
515 {_IMM5_RANGE_8_31, 5, {8, 31}}, /* But for cop0 the valid data : (8 ~ 31). */
516 {_IMM10_RSHIFT_2, 10, {-(1 << 11), (1 << 11) - 1}}, /* For ldc#, stc#. */
517 {_SIMM10, 10, {0, (1 << 10) - 1}}, /* ( -1024 ~ 1023 ) */
518 {_SIMM12, 12, {0, (1 << 12) - 1}}, /* ( -2048 ~ 2047 ) */
519 {_SIMM14, 14, {0, (1 << 14) - 1}}, /* ( -8192 ~ 8191 ) */
520 {_SIMM15, 15, {0, (1 << 15) - 1}}, /* (-16384 ~ 16383) */
521 {_SIMM16, 16, {0, (1 << 16) - 1}}, /* (-65536 ~ 65536) */
522 {_SIMM14_NEG, 14, {0, (1 << 16) - 1}}, /* ( -8191 ~ 8192 ) */
523 {_IMM16_NEG, 16, {0, (1 << 16) - 1}}, /* ( 65535 ~ 0 ) */
524 {_SIMM16_NEG, 16, {0, (1 << 16) - 1}}, /* ( 65535 ~ 0 ) */
525 {_IMM20, 20, {0, (1 << 20) - 1}}, /* (-32768 ~ 32767) */
526 {_IMM25, 25, {0, (1 << 25) - 1}}, /* (-32768 ~ 32767) */
527 {_GP_IMM15, 15, {0, (1 << 15) - 1}}, /* ( 0 ~ 65535) */
528 {_GP_IMM14, 14, {0, (1 << 14) - 1}}, /* ( 0 ~ 65535) */
529 {_SIMM16_pic, 16, {-(1 << 15), (1 << 15) - 1}}, /* (-32768 ~ 32767) */
530 {_IMM16_LO16_pic, 16, {0, (1 << 16) - 1}}, /* ( 65535 ~ 0 ) */
531 {_IMM16_pic, 16, {0, (1 << 16) - 1}}, /* ( 0 ~ 65535) */
532 {_SIMM5, 5, {-(1 << 4), (1 << 4) - 1}}, /* ( -16 ~ 15 ) */
533 {_SIMM6, 6, {-(1 << 5), (1 << 5) - 1}}, /* ( -32 ~ 31 ) */
534 {_IMM32, 32, {0, 0xfffffff}},
535 {_SIMM32, 32, {-0x80000000, 0x7fffffff}},
536 {_IMM11, 11, {0, (1 << 11) - 1}},
537 };
538
539 struct s3_asm_opcode
540 {
541 /* Instruction name. */
542 const char *template_name;
543
544 /* Instruction Opcode. */
545 bfd_vma value;
546
547 /* Instruction bit mask. */
548 bfd_vma bitmask;
549
550 /* Relax instruction opcode. 0x8000 imply no relaxation. */
551 bfd_vma relax_value;
552
553 /* Instruction type. */
554 enum score_insn_type type;
555
556 /* Function to call to parse args. */
557 void (*parms) (char *);
558 };
559
560 static const struct s3_asm_opcode s3_score_ldst_insns[] =
561 {
562 {"lw", 0x20000000, 0x3e000000, 0x1000, Rd_rvalueRs_SI15, s3_do_ldst_insn},
563 {"lw", 0x06000000, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, s3_do_ldst_insn},
564 {"lw", 0x0e000000, 0x3e000007, 0x0040, Rd_rvalueRs_postSI12, s3_do_ldst_insn},
565 {"lh", 0x22000000, 0x3e000000, 0x8000, Rd_rvalueRs_SI15, s3_do_ldst_insn},
566 {"lh", 0x06000001, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, s3_do_ldst_insn},
567 {"lh", 0x0e000001, 0x3e000007, 0x8000, Rd_rvalueRs_postSI12, s3_do_ldst_insn},
568 {"lhu", 0x24000000, 0x3e000000, 0x8000, Rd_rvalueRs_SI15, s3_do_ldst_insn},
569 {"lhu", 0x06000002, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, s3_do_ldst_insn},
570 {"lhu", 0x0e000002, 0x3e000007, 0x8000, Rd_rvalueRs_postSI12, s3_do_ldst_insn},
571 {"lb", 0x26000000, 0x3e000000, 0x8000, Rd_rvalueRs_SI15, s3_do_ldst_insn},
572 {"lb", 0x06000003, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, s3_do_ldst_insn},
573 {"lb", 0x0e000003, 0x3e000007, 0x8000, Rd_rvalueRs_postSI12, s3_do_ldst_insn},
574 {"sw", 0x28000000, 0x3e000000, 0x2000, Rd_lvalueRs_SI15, s3_do_ldst_insn},
575 {"sw", 0x06000004, 0x3e000007, 0x0060, Rd_lvalueRs_preSI12, s3_do_ldst_insn},
576 {"sw", 0x0e000004, 0x3e000007, 0x8000, Rd_lvalueRs_postSI12, s3_do_ldst_insn},
577 {"sh", 0x2a000000, 0x3e000000, 0x8000, Rd_lvalueRs_SI15, s3_do_ldst_insn},
578 {"sh", 0x06000005, 0x3e000007, 0x8000, Rd_lvalueRs_preSI12, s3_do_ldst_insn},
579 {"sh", 0x0e000005, 0x3e000007, 0x8000, Rd_lvalueRs_postSI12, s3_do_ldst_insn},
580 {"lbu", 0x2c000000, 0x3e000000, 0x8000, Rd_rvalueRs_SI15, s3_do_ldst_insn},
581 {"lbu", 0x06000006, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, s3_do_ldst_insn},
582 {"lbu", 0x0e000006, 0x3e000007, 0x8000, Rd_rvalueRs_postSI12, s3_do_ldst_insn},
583 {"sb", 0x2e000000, 0x3e000000, 0x8000, Rd_lvalueRs_SI15, s3_do_ldst_insn},
584 {"sb", 0x06000007, 0x3e000007, 0x8000, Rd_lvalueRs_preSI12, s3_do_ldst_insn},
585 {"sb", 0x0e000007, 0x3e000007, 0x8000, Rd_lvalueRs_postSI12, s3_do_ldst_insn},
586 };
587
588 static const struct s3_asm_opcode s3_score_insns[] =
589 {
590 {"abs", 0x3800000a, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_dsp3},
591 {"abs.s", 0x3800004b, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_dsp3},
592 {"add", 0x00000010, 0x3e0003ff, 0x4800, Rd_Rs_Rs, s3_do_rdrsrs},
593 {"add.c", 0x00000011, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
594 {"add.s", 0x38000048, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_dsp2},
595 {"addc", 0x00000012, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
596 {"addc.c", 0x00000013, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
597 {"addi", 0x02000000, 0x3e0e0001, 0x5c00, Rd_SI16, s3_do_rdsi16},
598 {"addi.c", 0x02000001, 0x3e0e0001, 0x8000, Rd_SI16, s3_do_rdsi16},
599 {"addis", 0x0a000000, 0x3e0e0001, 0x8000, Rd_SI16, s3_do_rdi16},
600 {"addis.c", 0x0a000001, 0x3e0e0001, 0x8000, Rd_SI16, s3_do_rdi16},
601 {"addi!", 0x5c00, 0x7c00, 0x8000, Rd_SI6, s3_do16_addi},
602 {"addri", 0x10000000, 0x3e000001, 0x8000, Rd_Rs_SI14, s3_do_rdrssi14},
603 {"addri.c", 0x10000001, 0x3e000001, 0x8000, Rd_Rs_SI14, s3_do_rdrssi14},
604
605 /* add.c <-> add!. */
606 {"add!", 0x4800, 0x7f00, 0x8000, Rd_Rs, s3_do16_rdrs2},
607 {"subi", 0x02000000, 0x3e0e0001, 0x8000, Rd_SI16, s3_do_sub_rdsi16},
608 {"subi.c", 0x02000001, 0x3e0e0001, 0x8000, Rd_SI16, s3_do_sub_rdsi16},
609 {"subis", 0x0a000000, 0x3e0e0001, 0x8000, Rd_SI16, s3_do_sub_rdi16},
610 {"subis.c", 0x0a000001, 0x3e0e0001, 0x8000, Rd_SI16, s3_do_sub_rdi16},
611 {"subri", 0x10000000, 0x3e000001, 0x8000, Rd_Rs_SI14, s3_do_sub_rdrssi14},
612 {"subri.c", 0x10000001, 0x3e000001, 0x8000, Rd_Rs_SI14, s3_do_sub_rdrssi14},
613 {"and", 0x00000020, 0x3e0003ff, 0x4b00, Rd_Rs_Rs, s3_do_rdrsrs},
614 {"and.c", 0x00000021, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
615 {"andi", 0x02080000, 0x3e0e0001, 0x8000, Rd_I16, s3_do_rdi16},
616 {"andi.c", 0x02080001, 0x3e0e0001, 0x8000, Rd_I16, s3_do_rdi16},
617 {"andis", 0x0a080000, 0x3e0e0001, 0x8000, Rd_I16, s3_do_rdi16},
618 {"andis.c", 0x0a080001, 0x3e0e0001, 0x8000, Rd_I16, s3_do_rdi16},
619 {"andri", 0x18000000, 0x3e000001, 0x8000, Rd_Rs_I14, s3_do_rdrsi14},
620 {"andri.c", 0x18000001, 0x3e000001, 0x8000, Rd_Rs_I14, s3_do_rdrsi14},
621
622 /* and.c <-> and!. */
623 {"and!", 0x4b00, 0x7f00, 0x8000, Rd_Rs, s3_do16_rdrs2},
624 {"bcs", 0x08000000, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
625 {"bcc", 0x08000400, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
626 {"bcnz", 0x08003800, 0x3e007c01, 0x3200, PC_DISP19div2, s3_do_branch},
627 {"bcsl", 0x08000001, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
628 {"bccl", 0x08000401, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
629 {"bcnzl", 0x08003801, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
630 {"bcnz!", 0x3200, 0x7f00, 0x08003800, PC_DISP8div2, s3_do16_branch},
631 {"beq", 0x08001000, 0x3e007c01, 0x3800, PC_DISP19div2, s3_do_branch},
632 {"beql", 0x08001001, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
633 {"beq!", 0x3800, 0x7e00, 0x08001000, PC_DISP8div2, s3_do16_branch},
634 {"bgtu", 0x08000800, 0x3e007c01, 0x3400, PC_DISP19div2, s3_do_branch},
635 {"bgt", 0x08001800, 0x3e007c01, 0x3c00, PC_DISP19div2, s3_do_branch},
636 {"bge", 0x08002000, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
637 {"bgtul", 0x08000801, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
638 {"bgtl", 0x08001801, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
639 {"bgel", 0x08002001, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
640 {"bgtu!", 0x3400, 0x7e00, 0x08000800, PC_DISP8div2, s3_do16_branch},
641 {"bgt!", 0x3c00, 0x7e00, 0x08001800, PC_DISP8div2, s3_do16_branch},
642 {"bitclr", 0x00000028, 0x3e0003ff, 0x5000, Rd_Rs_I5, s3_do_rdrsi5},
643 {"bitclr.c", 0x00000029, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5},
644
645 {"mbitclr", 0x00000064, 0x3e00007e, 0x8000, Ra_I9_I5, s3_do_mbitclr},
646 {"mbitset", 0x0000006c, 0x3e00007e, 0x8000, Ra_I9_I5, s3_do_mbitset},
647
648 {"bitrev", 0x3800000c, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_dsp2},
649 {"bitset", 0x0000002a, 0x3e0003ff, 0x5200, Rd_Rs_I5, s3_do_rdrsi5},
650 {"bitset.c", 0x0000002b, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5},
651 {"bittst.c", 0x0000002d, 0x3e0003ff, 0x5400, x_Rs_I5, s3_do_xrsi5},
652 {"bittgl", 0x0000002e, 0x3e0003ff, 0x5600, Rd_Rs_I5, s3_do_rdrsi5},
653 {"bittgl.c", 0x0000002f, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5},
654 {"bitclr!", 0x5000, 0x7e00, 0x8000, Rd_I5, s3_do16_rdi5},
655 {"bitset!", 0x5200, 0x7e00, 0x8000, Rd_I5, s3_do16_rdi5},
656 {"bittst!", 0x5400, 0x7e00, 0x8000, Rd_I5, s3_do16_rdi5},
657 {"bittgl!", 0x5600, 0x7e00, 0x8000, Rd_I5, s3_do16_rdi5},
658 {"bleu", 0x08000c00, 0x3e007c01, 0x3600, PC_DISP19div2, s3_do_branch},
659 {"ble", 0x08001c00, 0x3e007c01, 0x3e00, PC_DISP19div2, s3_do_branch},
660 {"blt", 0x08002400, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
661 {"bleul", 0x08000c01, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
662 {"blel", 0x08001c01, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
663 {"bltl", 0x08002401, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
664 {"bl", 0x08003c01, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
665 {"bleu!", 0x3600, 0x7e00, 0x08000c00, PC_DISP8div2, s3_do16_branch},
666 {"ble!", 0x3e00, 0x7e00, 0x08001c00, PC_DISP8div2, s3_do16_branch},
667 {"bmi", 0x08002800, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
668 {"bmil", 0x08002801, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
669 {"bne", 0x08001400, 0x3e007c01, 0x3a00, PC_DISP19div2, s3_do_branch},
670 {"bnel", 0x08001401, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
671 {"bne!", 0x3a00, 0x7e00, 0x08001400, PC_DISP8div2, s3_do16_branch},
672 {"bpl", 0x08002c00, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
673 {"bpll", 0x08002c01, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
674 {"brcs", 0x00000008, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
675 {"brcc", 0x00000408, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
676 {"brgtu", 0x00000808, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
677 {"brleu", 0x00000c08, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
678 {"breq", 0x00001008, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
679 {"brne", 0x00001408, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
680 {"brgt", 0x00001808, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
681 {"brle", 0x00001c08, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
682 {"brge", 0x00002008, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
683 {"brlt", 0x00002408, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
684 {"brmi", 0x00002808, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
685 {"brpl", 0x00002c08, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
686 {"brvs", 0x00003008, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
687 {"brvc", 0x00003408, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
688 {"brcnz", 0x00003808, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
689 {"br", 0x00003c08, 0x3e007fff, 0x0080, x_Rs_x, s3_do_rs},
690 {"brcsl", 0x00000009, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
691 {"brccl", 0x00000409, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
692 {"brgtul", 0x00000809, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
693 {"brleul", 0x00000c09, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
694 {"breql", 0x00001009, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
695 {"brnel", 0x00001409, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
696 {"brgtl", 0x00001809, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
697 {"brlel", 0x00001c09, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
698 {"brgel", 0x00002009, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
699 {"brltl", 0x00002409, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
700 {"brmil", 0x00002809, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
701 {"brpll", 0x00002c09, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
702 {"brvsl", 0x00003009, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
703 {"brvcl", 0x00003409, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
704 {"brcnzl", 0x00003809, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs},
705 {"brl", 0x00003c09, 0x3e007fff, 0x00a0, x_Rs_x, s3_do_rs},
706 {"br!", 0x0080, 0x7fe0, 0x8000, x_Rs, s3_do16_br},
707 {"brl!", 0x00a0, 0x7fe0, 0x8000, x_Rs, s3_do16_br},
708 {"brr!", 0x00c0, 0x7fe0, 0x8000, x_Rs, s3_do16_brr},
709 {"bvs", 0x08003000, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
710 {"bvc", 0x08003400, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
711 {"bvsl", 0x08003001, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
712 {"bvcl", 0x08003401, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch},
713 {"b!", 0x3000, 0x7e00, 0x08003c00, PC_DISP8div2, s3_do16_branch},
714 {"b", 0x08003c00, 0x3e007c01, 0x3000, PC_DISP19div2, s3_do_branch},
715 {"cache", 0x30000000, 0x3ff00000, 0x8000, OP5_rvalueRs_SI15, s3_do_cache},
716 {"ceinst", 0x38000000, 0x3e000000, 0x8000, I5_Rs_Rs_I5_OP5, s3_do_ceinst},
717 {"clz", 0x0000001c, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
718 {"cmp.c", 0x00300019, 0x3ff003ff, 0x4400, x_Rs_Rs, s3_do_rsrs},
719 {"cmpz.c", 0x0030001b, 0x3ff07fff, 0x8000, x_Rs_x, s3_do_rs},
720 {"cmpi.c", 0x02040001, 0x3e0e0001, 0x6000, Rd_SI16, s3_do_rdsi16},
721
722 /* cmp.c <-> cmp!. */
723 {"cmp!", 0x4400, 0x7c00, 0x8000, Rd_Rs, s3_do16_mv_cmp},
724 {"cmpi!", 0x6000, 0x7c00, 0x8000, Rd_SI5, s3_do16_cmpi},
725 {"cop1", 0x0c00000c, 0x3e00001f, 0x8000, Rd_Rs_Rs_imm, s3_do_crdcrscrsimm5},
726 {"cop2", 0x0c000014, 0x3e00001f, 0x8000, Rd_Rs_Rs_imm, s3_do_crdcrscrsimm5},
727 {"cop3", 0x0c00001c, 0x3e00001f, 0x8000, Rd_Rs_Rs_imm, s3_do_crdcrscrsimm5},
728 {"drte", 0x0c0000a4, 0x3e0003ff, 0x8000, NO_OPD, s3_do_empty},
729 {"disint!", 0x00e0, 0xffe1, 0x8000, NO16_OPD, s3_do16_int},
730 {"enint!", 0x00e1, 0xffe1, 0x8000, NO16_OPD, s3_do16_int},
731 {"extsb", 0x00000058, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs},
732 {"extsb.c", 0x00000059, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs},
733 {"extsh", 0x0000005a, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs},
734 {"extsh.c", 0x0000005b, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs},
735 {"extzb", 0x0000005c, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs},
736 {"extzb.c", 0x0000005d, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs},
737 {"extzh", 0x0000005e, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs},
738 {"extzh.c", 0x0000005f, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs},
739 {"jl", 0x04000001, 0x3e000001, 0x8000, PC_DISP24div2, s3_do_jump},
740 {"j", 0x04000000, 0x3e000001, 0x8000, PC_DISP24div2, s3_do_jump},
741 {"alw", 0x0000000c, 0x3e0003ff, 0x8000, Rd_rvalue32Rs, s3_do_ldst_atomic},
742 {"lcb", 0x00000060, 0x3e0003ff, 0x8000, x_rvalueRs_post4, s3_do_ldst_unalign},
743 {"lcw", 0x00000062, 0x3e0003ff, 0x8000, Rd_rvalueRs_post4, s3_do_ldst_unalign},
744 {"lce", 0x00000066, 0x3e0003ff, 0x8000, Rd_rvalueRs_post4, s3_do_ldst_unalign},
745 {"ldc1", 0x0c00000a, 0x3e00001f, 0x8000, Rd_rvalueRs_SI10, s3_do_ldst_cop},
746 {"ldc2", 0x0c000012, 0x3e00001f, 0x8000, Rd_rvalueRs_SI10, s3_do_ldst_cop},
747 {"ldc3", 0x0c00001a, 0x3e00001f, 0x8000, Rd_rvalueRs_SI10, s3_do_ldst_cop},
748
749 /* s3_inst.relax */
750 {"ldi", 0x020c0000, 0x3e0e0000, 0x6400, Rd_SI16, s3_do_rdsi16},
751 {"ldis", 0x0a0c0000, 0x3e0e0000, 0x8000, Rd_I16, s3_do_ldis},
752
753 /* ldi <-> ldiu!. */
754 {"ldiu!", 0x6400, 0x7c00, 0x8000, Rd_I5, s3_do16_ldiu},
755
756 /*ltbb! , ltbh! ltbw! */
757 {"ltbw", 0x00000032, 0x03ff, 0x8000, Rd_Rs_Rs, s3_do_ltb},
758 {"ltbh", 0x00000132, 0x03ff, 0x8000, Rd_Rs_Rs, s3_do_ltb},
759 {"ltbb", 0x00000332, 0x03ff, 0x8000, Rd_Rs_Rs, s3_do_ltb},
760 {"lw!", 0x1000, 0x7000, 0x8000, Rd_rvalueRs, s3_do16_ldst_insn},
761 {"mfcel", 0x00000448, 0x3e007fff, 0x8000, Rd_x_x, s3_do_rd},
762 {"mfcel!", 0x7100, 0x7ff0, 0x00000448, x_Rs, s3_do16_dsp},
763 {"mad", 0x38000000, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
764 {"mad.f!", 0x7400, 0x7f00, 0x38000080, Rd_Rs, s3_do16_dsp2},
765 {"madh", 0x38000203, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
766 {"madh.fs", 0x380002c3, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
767 {"madh.fs!", 0x7b00, 0x7f00, 0x380002c3, Rd_Rs, s3_do16_dsp2},
768 {"madl", 0x38000002, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
769 {"madl.fs", 0x380000c2, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
770 {"madl.fs!", 0x7a00, 0x7f00, 0x380000c2, Rd_Rs, s3_do16_dsp2},
771 {"madu", 0x38000020, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
772 {"madu!", 0x7500, 0x7f00, 0x38000020, Rd_Rs, s3_do16_dsp2},
773 {"mad.f", 0x38000080, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
774 {"max", 0x38000007, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_dsp2},
775 {"mazh", 0x38000303, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
776 {"mazh.f", 0x38000383, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
777 {"mazh.f!", 0x7900, 0x7f00, 0x3800038c, Rd_Rs, s3_do16_dsp2},
778 {"mazl", 0x38000102, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
779 {"mazl.f", 0x38000182, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
780 {"mazl.f!", 0x7800, 0x7f00, 0x38000182, Rd_Rs, s3_do16_dsp2},
781 {"mfceh", 0x00000848, 0x3e007fff, 0x8000, Rd_x_x, s3_do_rd},
782 {"mfceh!", 0x7110, 0x7ff0, 0x00000848, x_Rs, s3_do16_dsp},
783 {"mfcehl", 0x00000c48, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
784 {"mfsr", 0x00000050, 0x3e0003ff, 0x8000, Rd_x_I5, s3_do_rdsrs},
785 {"mfcr", 0x0c000001, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs},
786 {"mfc1", 0x0c000009, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs},
787 {"mfc2", 0x0c000011, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs},
788 {"mfc3", 0x0c000019, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs},
789 {"mfcc1", 0x0c00000f, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs},
790 {"mfcc2", 0x0c000017, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs},
791 {"mfcc3", 0x0c00001f, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs},
792 {"min", 0x38000006, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_dsp2},
793 {"msb", 0x38000001, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
794 {"msb.f!", 0x7600, 0x7f00, 0x38000081, Rd_Rs, s3_do16_dsp2},
795 {"msbh", 0x38000205, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
796 {"msbh.fs", 0x380002c5, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
797 {"msbh.fs!", 0x7f00, 0x7f00, 0x380002c5, Rd_Rs, s3_do16_dsp2},
798 {"msbl", 0x38000004, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
799 {"msbl.fs", 0x380000c4, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
800 {"msbl.fs!", 0x7e00, 0x7f00, 0x380000c4, Rd_Rs, s3_do16_dsp2},
801 {"msbu", 0x38000021, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
802 {"msbu!", 0x7700, 0x7f00, 0x38000021, Rd_Rs, s3_do16_dsp2},
803 {"msb.f", 0x38000081, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
804 {"mszh", 0x38000305, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
805 {"mszh.f", 0x38000385, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
806 {"mszh.f!", 0x7d00, 0x7f00, 0x38000385, Rd_Rs, s3_do16_dsp2},
807 {"mszl", 0x38000104, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
808 {"mszl.f", 0x38000184, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp},
809 {"mszl.f!", 0x7c00, 0x7f00, 0x38000184, Rd_Rs, s3_do16_dsp2},
810 {"mtcel!", 0x7000, 0x7ff0, 0x0000044a, x_Rs, s3_do16_dsp},
811 {"mtcel", 0x0000044a, 0x3e007fff, 0x8000, Rd_x_x, s3_do_rd},
812 {"mtceh", 0x0000084a, 0x3e007fff, 0x8000, Rd_x_x, s3_do_rd},
813 {"mtceh!", 0x7010, 0x7ff0, 0x0000084a, x_Rs, s3_do16_dsp},
814 {"mtcehl", 0x00000c4a, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
815 {"mtsr", 0x00000052, 0x3e0003ff, 0x8000, x_Rs_I5, s3_do_rdsrs},
816 {"mtcr", 0x0c000000, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs},
817 {"mtc1", 0x0c000008, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs},
818 {"mtc2", 0x0c000010, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs},
819 {"mtc3", 0x0c000018, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs},
820 {"mtcc1", 0x0c00000e, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs},
821 {"mtcc2", 0x0c000016, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs},
822 {"mtcc3", 0x0c00001e, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs},
823 {"mul.f!", 0x7200, 0x7f00, 0x00000041, Rd_Rs, s3_do16_dsp2},
824 {"mulu!", 0x7300, 0x7f00, 0x00000042, Rd_Rs, s3_do16_dsp2},
825 {"mulr.l", 0x00000140, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
826 {"mulr.h", 0x00000240, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
827 {"mulr", 0x00000340, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
828 {"mulr.lf", 0x00000141, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
829 {"mulr.hf", 0x00000241, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
830 {"mulr.f", 0x00000341, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
831 {"mulur.l", 0x00000142, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
832 {"mulur.h", 0x00000242, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
833 {"mulur", 0x00000342, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
834 {"divr.q", 0x00000144, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
835 {"divr.r", 0x00000244, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
836 {"divr", 0x00000344, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
837 {"divur.q", 0x00000146, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
838 {"divur.r", 0x00000246, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
839 {"divur", 0x00000346, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs},
840 {"mvcs", 0x00000056, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
841 {"mvcc", 0x00000456, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
842 {"mvgtu", 0x00000856, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
843 {"mvleu", 0x00000c56, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
844 {"mveq", 0x00001056, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
845 {"mvne", 0x00001456, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
846 {"mvgt", 0x00001856, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
847 {"mvle", 0x00001c56, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
848 {"mvge", 0x00002056, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
849 {"mvlt", 0x00002456, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
850 {"mvmi", 0x00002856, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
851 {"mvpl", 0x00002c56, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
852 {"mvvs", 0x00003056, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
853 {"mvvc", 0x00003456, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs},
854
855 /* mv <-> mv!. */
856 {"mv", 0x00003c56, 0x3e007fff, 0x4000, Rd_Rs_x, s3_do_rdrs},
857 {"mv!", 0x4000, 0x7c00, 0x8000, Rd_Rs, s3_do16_mv_cmp},
858 {"neg", 0x0000001e, 0x3e0003ff, 0x8000, Rd_x_Rs, s3_do_rdxrs},
859 {"neg.c", 0x0000001f, 0x3e0003ff, 0x8000, Rd_x_Rs, s3_do_rdxrs},
860 {"nop", 0x00000000, 0x3e0003ff, 0x0000, NO_OPD, s3_do_empty},
861 {"not", 0x00000024, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs},
862 {"not.c", 0x00000025, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs},
863 {"nop!", 0x0000, 0x7fff, 0x8000, NO16_OPD, s3_do_empty},
864 {"or", 0x00000022, 0x3e0003ff, 0x4a00, Rd_Rs_Rs, s3_do_rdrsrs},
865 {"or.c", 0x00000023, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
866 {"ori", 0x020a0000, 0x3e0e0001, 0x8000, Rd_I16, s3_do_rdi16},
867 {"ori.c", 0x020a0001, 0x3e0e0001, 0x8000, Rd_I16, s3_do_rdi16},
868 {"oris", 0x0a0a0000, 0x3e0e0001, 0x8000, Rd_I16, s3_do_rdi16},
869 {"oris.c", 0x0a0a0001, 0x3e0e0001, 0x8000, Rd_I16, s3_do_rdi16},
870 {"orri", 0x1a000000, 0x3e000001, 0x8000, Rd_Rs_I14, s3_do_rdrsi14},
871 {"orri.c", 0x1a000001, 0x3e000001, 0x8000, Rd_Rs_I14, s3_do_rdrsi14},
872
873 /* or.c <-> or!. */
874 {"or!", 0x4a00, 0x7f00, 0x8000, Rd_Rs, s3_do16_rdrs2},
875 {"pflush", 0x0000000a, 0x3e0003ff, 0x8000, NO_OPD, s3_do_empty},
876 {"pop!", 0x0040, 0x7fe0, 0x8000, Rd_rvalueRs, s3_do16_push_pop},
877 {"push!", 0x0060, 0x7fe0, 0x8000, Rd_lvalueRs, s3_do16_push_pop},
878
879 {"rpop!", 0x6800, 0x7c00, 0x8000, Rd_I5, s3_do16_rpop},
880 {"rpush!", 0x6c00, 0x7c00, 0x8000, Rd_I5, s3_do16_rpush},
881
882 {"ror", 0x00000038, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
883 {"ror.c", 0x00000039, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
884 {"rorc.c", 0x0000003b, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
885 {"rol", 0x0000003c, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
886 {"rol.c", 0x0000003d, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
887 {"rolc.c", 0x0000003f, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
888 {"rori", 0x00000078, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5},
889 {"rori.c", 0x00000079, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5},
890 {"roric.c", 0x0000007b, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5},
891 {"roli", 0x0000007c, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5},
892 {"roli.c", 0x0000007d, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5},
893 {"rolic.c", 0x0000007f, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5},
894 {"rte", 0x0c000084, 0x3e0003ff, 0x8000, NO_OPD, s3_do_empty},
895 {"asw", 0x0000000e, 0x3e0003ff, 0x8000, Rd_lvalue32Rs, s3_do_ldst_atomic},
896 {"scb", 0x00000068, 0x3e0003ff, 0x8000, Rd_lvalueRs_post4, s3_do_ldst_unalign},
897 {"scw", 0x0000006a, 0x3e0003ff, 0x8000, Rd_lvalueRs_post4, s3_do_ldst_unalign},
898 {"sce", 0x0000006e, 0x3e0003ff, 0x8000, x_lvalueRs_post4, s3_do_ldst_unalign},
899 {"sdbbp", 0x00000006, 0x3e0003ff, 0x0020, x_I5_x, s3_do_xi5x},
900 {"sdbbp!", 0x0020, 0x7fe0, 0x8000, Rd_I5, s3_do16_xi5},
901 {"sleep", 0x0c0000c4, 0x3e0003ff, 0x8000, NO_OPD, s3_do_empty},
902 {"rti", 0x0c0000e4, 0x3e0003ff, 0x8000, NO_OPD, s3_do_empty},
903 {"sll", 0x00000030, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
904 {"sll.c", 0x00000031, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
905 {"sll.s", 0x3800004e, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_dsp2},
906 {"slli", 0x00000070, 0x3e0003ff, 0x5800, Rd_Rs_I5, s3_do_rdrsi5},
907 {"slli.c", 0x00000071, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5},
908
909 /* slli.c <-> slli!. */
910 {"slli!", 0x5800, 0x7e00, 0x8000, Rd_I5, s3_do16_slli_srli},
911 {"srl", 0x00000034, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
912 {"srl.c", 0x00000035, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
913 {"sra", 0x00000036, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
914 {"sra.c", 0x00000037, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
915 {"srli", 0x00000074, 0x3e0003ff, 0x5a00, Rd_Rs_I5, s3_do_rdrsi5},
916 {"srli.c", 0x00000075, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5},
917 {"srai", 0x00000076, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5},
918 {"srai.c", 0x00000077, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5},
919
920 /* srli.c <-> srli!. */
921 {"srli!", 0x5a00, 0x7e00, 0x8000, Rd_Rs, s3_do16_slli_srli},
922 {"stc1", 0x0c00000b, 0x3e00001f, 0x8000, Rd_lvalueRs_SI10, s3_do_ldst_cop},
923 {"stc2", 0x0c000013, 0x3e00001f, 0x8000, Rd_lvalueRs_SI10, s3_do_ldst_cop},
924 {"stc3", 0x0c00001b, 0x3e00001f, 0x8000, Rd_lvalueRs_SI10, s3_do_ldst_cop},
925 {"sub", 0x00000014, 0x3e0003ff, 0x4900, Rd_Rs_Rs, s3_do_rdrsrs},
926 {"sub.c", 0x00000015, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
927 {"sub.s", 0x38000049, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_dsp2},
928 {"subc", 0x00000016, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
929 {"subc.c", 0x00000017, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
930
931 /* sub.c <-> sub!. */
932 {"sub!", 0x4900, 0x7f00, 0x8000, Rd_Rs, s3_do16_rdrs2},
933 {"sw!", 0x2000, 0x7000, 0x8000, Rd_lvalueRs, s3_do16_ldst_insn},
934 {"syscall", 0x00000002, 0x3e0003ff, 0x8000, I15, s3_do_i15},
935 {"trapcs", 0x00000004, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
936 {"trapcc", 0x00000404, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
937 {"trapgtu", 0x00000804, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
938 {"trapleu", 0x00000c04, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
939 {"trapeq", 0x00001004, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
940 {"trapne", 0x00001404, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
941 {"trapgt", 0x00001804, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
942 {"traple", 0x00001c04, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
943 {"trapge", 0x00002004, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
944 {"traplt", 0x00002404, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
945 {"trapmi", 0x00002804, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
946 {"trappl", 0x00002c04, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
947 {"trapvs", 0x00003004, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
948 {"trapvc", 0x00003404, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
949 {"trap", 0x00003c04, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x},
950 {"xor", 0x00000026, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
951 {"xor.c", 0x00000027, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs},
952
953 /* Macro instruction. */
954 {"li", 0x020c0000, 0x3e0e0000, 0x8000, Insn_Type_SYN, s3_do_macro_li_rdi32},
955
956 /* la reg, imm32 -->(1) ldi reg, simm16
957 (2) ldis reg, %HI(imm32)
958 ori reg, %LO(imm32)
959
960 la reg, symbol -->(1) lis reg, %HI(imm32)
961 ori reg, %LO(imm32) */
962 {"la", 0x020c0000, 0x3e0e0000, 0x8000, Insn_Type_SYN, s3_do_macro_la_rdi32},
963 {"bcmpeqz", 0x0000004c, 0x3e00007e, 0x8000, Insn_BCMP, s3_do_macro_bcmpz},
964 {"bcmpeq", 0x0000004c, 0x3e00007e, 0x8000, Insn_BCMP, s3_do_macro_bcmp},
965 {"bcmpnez", 0x0000004e, 0x3e00007e, 0x8000, Insn_BCMP, s3_do_macro_bcmpz},
966 {"bcmpne", 0x0000004e, 0x3e00007e, 0x8000, Insn_BCMP, s3_do_macro_bcmp},
967 {"div", 0x00000044, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs},
968 {"divu", 0x00000046, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs},
969 {"rem", 0x00000044, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs},
970 {"remu", 0x00000046, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs},
971 {"mul", 0x00000040, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs},
972 {"mulu", 0x00000042, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs},
973 {"maz", 0x00000040, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs},
974 {"mazu", 0x00000042, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs},
975 {"mul.f", 0x00000041, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs},
976 {"maz.f", 0x00000041, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs},
977 {"lb", INSN_LB, 0x00000000, 0x8000, Insn_Type_SYN, s3_do_macro_ldst_label},
978 {"lbu", INSN_LBU, 0x00000000, 0x8000, Insn_Type_SYN, s3_do_macro_ldst_label},
979 {"lh", INSN_LH, 0x00000000, 0x8000, Insn_Type_SYN, s3_do_macro_ldst_label},
980 {"lhu", INSN_LHU, 0x00000000, 0x8000, Insn_Type_SYN, s3_do_macro_ldst_label},
981 {"lw", INSN_LW, 0x00000000, 0x1000, Insn_Type_SYN, s3_do_macro_ldst_label},
982 {"sb", INSN_SB, 0x00000000, 0x8000, Insn_Type_SYN, s3_do_macro_ldst_label},
983 {"sh", INSN_SH, 0x00000000, 0x8000, Insn_Type_SYN, s3_do_macro_ldst_label},
984 {"sw", INSN_SW, 0x00000000, 0x2000, Insn_Type_SYN, s3_do_macro_ldst_label},
985
986 /* Assembler use internal. */
987 {"ld_i32hi", 0x0a0c0000, 0x3e0e0000, 0x8000, Insn_internal, s3_do_macro_rdi32hi},
988 {"ld_i32lo", 0x020a0000, 0x3e0e0001, 0x8000, Insn_internal, s3_do_macro_rdi32lo},
989 {"ldis_pic", 0x0a0c0000, 0x3e0e0000, 0x8000, Insn_internal, s3_do_rdi16_pic},
990 {"addi_s_pic",0x02000000, 0x3e0e0001, 0x8000, Insn_internal, s3_do_addi_s_pic},
991 {"addi_u_pic",0x02000000, 0x3e0e0001, 0x8000, Insn_internal, s3_do_addi_u_pic},
992 {"lw_pic", 0x20000000, 0x3e000000, 0x8000, Insn_internal, s3_do_lw_pic},
993
994 /* 48-bit instructions. */
995 {"sdbbp48", 0x000000000000LL, 0x1c000000001fLL, 0x8000, Rd_I32, s3_do_sdbbp48},
996 {"ldi48", 0x000000000001LL, 0x1c000000001fLL, 0x8000, Rd_I32, s3_do_ldi48},
997 {"lw48", 0x000000000002LL, 0x1c000000001fLL, 0x8000, Rd_I30, s3_do_lw48},
998 {"sw48", 0x000000000003LL, 0x1c000000001fLL, 0x8000, Rd_I30, s3_do_sw48},
999 {"andri48", 0x040000000000LL, 0x1c0000000003LL, 0x8000, Rd_I32, s3_do_and48},
1000 {"andri48.c", 0x040000000001LL, 0x1c0000000003LL, 0x8000, Rd_I32, s3_do_and48},
1001 {"orri48", 0x040000000002LL, 0x1c0000000003LL, 0x8000, Rd_I32, s3_do_or48},
1002 {"orri48.c", 0x040000000003LL, 0x1c0000000003LL, 0x8000, Rd_I32, s3_do_or48},
1003 };
1004
1005 #define s3_SCORE3_PIPELINE 3
1006
1007 static int s3_university_version = 0;
1008 static int s3_vector_size = s3_SCORE3_PIPELINE;
1009 static struct s3_score_it s3_dependency_vector[s3_SCORE3_PIPELINE];
1010
1011 static int s3_score3d = 1;
1012
1013 static int
1014 s3_end_of_line (char *str)
1015 {
1016 int retval = s3_SUCCESS;
1017
1018 s3_skip_whitespace (str);
1019 if (*str != '\0')
1020 {
1021 retval = (int) s3_FAIL;
1022
1023 if (!s3_inst.error)
1024 s3_inst.error = s3_BAD_GARBAGE;
1025 }
1026
1027 return retval;
1028 }
1029
1030 static int
1031 s3_score_reg_parse (char **ccp, struct hash_control *htab)
1032 {
1033 char *start = *ccp;
1034 char c;
1035 char *p;
1036 struct s3_reg_entry *reg;
1037
1038 p = start;
1039 if (!ISALPHA (*p) || !is_name_beginner (*p))
1040 return (int) s3_FAIL;
1041
1042 c = *p++;
1043
1044 while (ISALPHA (c) || ISDIGIT (c) || c == '_')
1045 c = *p++;
1046
1047 *--p = 0;
1048 reg = (struct s3_reg_entry *) hash_find (htab, start);
1049 *p = c;
1050
1051 if (reg)
1052 {
1053 *ccp = p;
1054 return reg->number;
1055 }
1056 return (int) s3_FAIL;
1057 }
1058
1059 /* If shift <= 0, only return reg. */
1060
1061 static int
1062 s3_reg_required_here (char **str, int shift, enum s3_score_reg_type reg_type)
1063 {
1064 static char buff[s3_MAX_LITERAL_POOL_SIZE];
1065 int reg = (int) s3_FAIL;
1066 char *start = *str;
1067
1068 if ((reg = s3_score_reg_parse (str, s3_all_reg_maps[reg_type].htab)) != (int) s3_FAIL)
1069 {
1070 if (reg_type == s3_REG_TYPE_SCORE)
1071 {
1072 if ((reg == 1) && (s3_nor1 == 1) && (s3_inst.bwarn == 0))
1073 {
1074 as_warn (_("Using temp register(r1)"));
1075 s3_inst.bwarn = 1;
1076 }
1077 }
1078 if (shift >= 0)
1079 {
1080 if (reg_type == s3_REG_TYPE_SCORE_CR)
1081 strcpy (s3_inst.reg, s3_score_crn_table[reg].name);
1082 else if (reg_type == s3_REG_TYPE_SCORE_SR)
1083 strcpy (s3_inst.reg, s3_score_srn_table[reg].name);
1084 else
1085 strcpy (s3_inst.reg, "");
1086
1087 s3_inst.instruction |= (bfd_vma) reg << shift;
1088 }
1089 }
1090 else
1091 {
1092 *str = start;
1093 sprintf (buff, _("register expected, not '%.100s'"), start);
1094 s3_inst.error = buff;
1095 }
1096
1097 return reg;
1098 }
1099
1100 static int
1101 s3_skip_past_comma (char **str)
1102 {
1103 char *p = *str;
1104 char c;
1105 int comma = 0;
1106
1107 while ((c = *p) == ' ' || c == ',')
1108 {
1109 p++;
1110 if (c == ',' && comma++)
1111 {
1112 s3_inst.error = s3_BAD_SKIP_COMMA;
1113 return (int) s3_FAIL;
1114 }
1115 }
1116
1117 if ((c == '\0') || (comma == 0))
1118 {
1119 s3_inst.error = s3_BAD_SKIP_COMMA;
1120 return (int) s3_FAIL;
1121 }
1122
1123 *str = p;
1124 return comma ? s3_SUCCESS : (int) s3_FAIL;
1125 }
1126
1127 static void
1128 s3_do_rdrsrs (char *str)
1129 {
1130 int reg;
1131 s3_skip_whitespace (str);
1132
1133 if ((reg = s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE)) == (int) s3_FAIL
1134 || s3_skip_past_comma (&str) == (int) s3_FAIL
1135 || s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL
1136 || s3_skip_past_comma (&str) == (int) s3_FAIL
1137 || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE) == (int) s3_FAIL
1138 || s3_end_of_line (str) == (int) s3_FAIL)
1139 {
1140 return;
1141 }
1142 else
1143 {
1144 /* Check mulr, mulur rd is even number. */
1145 if (((s3_inst.instruction & 0x3e0003ff) == 0x00000340
1146 || (s3_inst.instruction & 0x3e0003ff) == 0x00000342)
1147 && (reg % 2))
1148 {
1149 s3_inst.error = _("rd must be even number.");
1150 return;
1151 }
1152
1153 if ((((s3_inst.instruction >> 15) & 0x10) == 0)
1154 && (((s3_inst.instruction >> 10) & 0x10) == 0)
1155 && (((s3_inst.instruction >> 20) & 0x10) == 0)
1156 && (s3_inst.relax_inst != 0x8000)
1157 && (((s3_inst.instruction >> 20) & 0xf) == ((s3_inst.instruction >> 15) & 0xf)))
1158 {
1159 s3_inst.relax_inst |= (((s3_inst.instruction >> 10) & 0xf) )
1160 | (((s3_inst.instruction >> 15) & 0xf) << 4);
1161 s3_inst.relax_size = 2;
1162 }
1163 else
1164 {
1165 s3_inst.relax_inst = 0x8000;
1166 }
1167 }
1168 }
1169
1170 static int
1171 s3_walk_no_bignums (symbolS * sp)
1172 {
1173 if (symbol_get_value_expression (sp)->X_op == O_big)
1174 return 1;
1175
1176 if (symbol_get_value_expression (sp)->X_add_symbol)
1177 return (s3_walk_no_bignums (symbol_get_value_expression (sp)->X_add_symbol)
1178 || (symbol_get_value_expression (sp)->X_op_symbol
1179 && s3_walk_no_bignums (symbol_get_value_expression (sp)->X_op_symbol)));
1180
1181 return 0;
1182 }
1183
1184 static int
1185 s3_my_get_expression (expressionS * ep, char **str)
1186 {
1187 char *save_in;
1188 segT seg;
1189
1190 save_in = input_line_pointer;
1191 input_line_pointer = *str;
1192 s3_in_my_get_expression = 1;
1193 seg = expression (ep);
1194 s3_in_my_get_expression = 0;
1195
1196 if (ep->X_op == O_illegal)
1197 {
1198 *str = input_line_pointer;
1199 input_line_pointer = save_in;
1200 s3_inst.error = _("illegal expression");
1201 return (int) s3_FAIL;
1202 }
1203 /* Get rid of any bignums now, so that we don't generate an error for which
1204 we can't establish a line number later on. Big numbers are never valid
1205 in instructions, which is where this routine is always called. */
1206 if (ep->X_op == O_big
1207 || (ep->X_add_symbol
1208 && (s3_walk_no_bignums (ep->X_add_symbol)
1209 || (ep->X_op_symbol && s3_walk_no_bignums (ep->X_op_symbol)))))
1210 {
1211 s3_inst.error = _("invalid constant");
1212 *str = input_line_pointer;
1213 input_line_pointer = save_in;
1214 return (int) s3_FAIL;
1215 }
1216
1217 if ((ep->X_add_symbol != NULL)
1218 && (s3_inst.type != PC_DISP19div2)
1219 && (s3_inst.type != PC_DISP8div2)
1220 && (s3_inst.type != PC_DISP24div2)
1221 && (s3_inst.type != PC_DISP11div2)
1222 && (s3_inst.type != Insn_Type_SYN)
1223 && (s3_inst.type != Rd_rvalueRs_SI15)
1224 && (s3_inst.type != Rd_lvalueRs_SI15)
1225 && (s3_inst.type != Insn_internal)
1226 && (s3_inst.type != Rd_I30)
1227 && (s3_inst.type != Rd_I32)
1228 && (s3_inst.type != Insn_BCMP))
1229 {
1230 s3_inst.error = s3_BAD_ARGS;
1231 *str = input_line_pointer;
1232 input_line_pointer = save_in;
1233 return (int) s3_FAIL;
1234 }
1235
1236 *str = input_line_pointer;
1237 input_line_pointer = save_in;
1238 return s3_SUCCESS;
1239 }
1240
1241 /* Check if an immediate is valid. If so, convert it to the right format. */
1242 static bfd_signed_vma
1243 s3_validate_immediate (bfd_signed_vma val, unsigned int data_type, int hex_p)
1244 {
1245 switch (data_type)
1246 {
1247 case _VALUE_HI16:
1248 {
1249 bfd_signed_vma val_hi = ((val & 0xffff0000) >> 16);
1250
1251 if (s3_score_df_range[data_type].range[0] <= val_hi
1252 && val_hi <= s3_score_df_range[data_type].range[1])
1253 return val_hi;
1254 }
1255 break;
1256
1257 case _VALUE_LO16:
1258 {
1259 bfd_signed_vma val_lo = (val & 0xffff);
1260
1261 if (s3_score_df_range[data_type].range[0] <= val_lo
1262 && val_lo <= s3_score_df_range[data_type].range[1])
1263 return val_lo;
1264 }
1265 break;
1266
1267 case _SIMM14:
1268 if (hex_p == 1)
1269 {
1270 if (!(val >= -0x2000 && val <= 0x3fff))
1271 {
1272 return (int) s3_FAIL;
1273 }
1274 }
1275 else
1276 {
1277 if (!(val >= -8192 && val <= 8191))
1278 {
1279 return (int) s3_FAIL;
1280 }
1281 }
1282
1283 return val;
1284 break;
1285
1286 case _SIMM16_NEG:
1287 if (hex_p == 1)
1288 {
1289 if (!(val >= -0x7fff && val <= 0xffff && val != 0x8000))
1290 {
1291 return (int) s3_FAIL;
1292 }
1293 }
1294 else
1295 {
1296 if (!(val >= -32767 && val <= 32768))
1297 {
1298 return (int) s3_FAIL;
1299 }
1300 }
1301
1302 val = -val;
1303 return val;
1304 break;
1305
1306 case _IMM5_MULTI_LOAD:
1307 if (val >= 2 && val <= 32)
1308 {
1309 if (val == 32)
1310 {
1311 val = 0;
1312 }
1313 return val;
1314 }
1315 else
1316 {
1317 return (int) s3_FAIL;
1318 }
1319 break;
1320
1321 case _IMM32:
1322 if (val >= 0 && val <= 0xffffffff)
1323 {
1324 return val;
1325 }
1326 else
1327 {
1328 return (int) s3_FAIL;
1329 }
1330
1331 default:
1332 if (data_type == _SIMM14_NEG || data_type == _IMM16_NEG)
1333 val = -val;
1334
1335 if (s3_score_df_range[data_type].range[0] <= val
1336 && val <= s3_score_df_range[data_type].range[1])
1337 return val;
1338
1339 break;
1340 }
1341
1342 return (int) s3_FAIL;
1343 }
1344
1345 static int
1346 s3_data_op2 (char **str, int shift, enum score_data_type data_type)
1347 {
1348 bfd_signed_vma value;
1349 char data_exp[s3_MAX_LITERAL_POOL_SIZE];
1350 char *dataptr;
1351 int cnt = 0;
1352 char *pp = NULL;
1353
1354 s3_skip_whitespace (*str);
1355 s3_inst.error = NULL;
1356 dataptr = * str;
1357
1358 /* Set hex_p to zero. */
1359 int hex_p = 0;
1360
1361 while ((*dataptr != '\0') && (*dataptr != '|') && (cnt <= s3_MAX_LITERAL_POOL_SIZE)) /* 0x7c = ='|' */
1362 {
1363 data_exp[cnt] = *dataptr;
1364 dataptr++;
1365 cnt++;
1366 }
1367
1368 data_exp[cnt] = '\0';
1369 pp = (char *)&data_exp;
1370
1371 if (*dataptr == '|') /* process PCE */
1372 {
1373 if (s3_my_get_expression (&s3_inst.reloc.exp, &pp) == (int) s3_FAIL)
1374 return (int) s3_FAIL;
1375 s3_end_of_line (pp);
1376 if (s3_inst.error != 0)
1377 return (int) s3_FAIL; /* to ouptut_inst to printf out the error */
1378 *str = dataptr;
1379 }
1380 else /* process 16 bit */
1381 {
1382 if (s3_my_get_expression (&s3_inst.reloc.exp, str) == (int) s3_FAIL)
1383 {
1384 return (int) s3_FAIL;
1385 }
1386
1387 dataptr = (char *)data_exp;
1388 for (; *dataptr != '\0'; dataptr++)
1389 {
1390 *dataptr = TOLOWER (*dataptr);
1391 if (*dataptr == '!' || *dataptr == ' ')
1392 break;
1393 }
1394 dataptr = (char *)data_exp;
1395
1396 if ((dataptr != NULL)
1397 && (((strstr (dataptr, "0x")) != NULL)
1398 || ((strstr (dataptr, "0X")) != NULL)))
1399 {
1400 hex_p = 1;
1401 if ((data_type != _SIMM16_LA)
1402 && (data_type != _VALUE_HI16)
1403 && (data_type != _VALUE_LO16)
1404 && (data_type != _IMM16)
1405 && (data_type != _IMM15)
1406 && (data_type != _IMM14)
1407 && (data_type != _IMM4)
1408 && (data_type != _IMM5)
1409 && (data_type != _IMM5_MULTI_LOAD)
1410 && (data_type != _IMM11)
1411 && (data_type != _IMM8)
1412 && (data_type != _IMM5_RSHIFT_1)
1413 && (data_type != _IMM5_RSHIFT_2)
1414 && (data_type != _SIMM14)
1415 && (data_type != _SIMM14_NEG)
1416 && (data_type != _SIMM16_NEG)
1417 && (data_type != _IMM10_RSHIFT_2)
1418 && (data_type != _GP_IMM15)
1419 && (data_type != _SIMM5)
1420 && (data_type != _SIMM6)
1421 && (data_type != _IMM32)
1422 && (data_type != _SIMM32))
1423 {
1424 data_type += 24;
1425 }
1426 }
1427
1428 if ((s3_inst.reloc.exp.X_add_number == 0)
1429 && (s3_inst.type != Insn_Type_SYN)
1430 && (s3_inst.type != Rd_rvalueRs_SI15)
1431 && (s3_inst.type != Rd_lvalueRs_SI15)
1432 && (s3_inst.type != Insn_internal)
1433 && (((*dataptr >= 'a') && (*dataptr <= 'z'))
1434 || ((*dataptr == '0') && (*(dataptr + 1) == 'x') && (*(dataptr + 2) != '0'))
1435 || ((*dataptr == '+') && (*(dataptr + 1) != '0'))
1436 || ((*dataptr == '-') && (*(dataptr + 1) != '0'))))
1437 {
1438 s3_inst.error = s3_BAD_ARGS;
1439 return (int) s3_FAIL;
1440 }
1441 }
1442
1443 if ((s3_inst.reloc.exp.X_add_symbol)
1444 && ((data_type == _SIMM16)
1445 || (data_type == _SIMM16_NEG)
1446 || (data_type == _IMM16_NEG)
1447 || (data_type == _SIMM14)
1448 || (data_type == _SIMM14_NEG)
1449 || (data_type == _IMM5)
1450 || (data_type == _IMM5_MULTI_LOAD)
1451 || (data_type == _IMM11)
1452 || (data_type == _IMM14)
1453 || (data_type == _IMM20)
1454 || (data_type == _IMM16)
1455 || (data_type == _IMM15)
1456 || (data_type == _IMM4)))
1457 {
1458 s3_inst.error = s3_BAD_ARGS;
1459 return (int) s3_FAIL;
1460 }
1461
1462 if (s3_inst.reloc.exp.X_add_symbol)
1463 {
1464 switch (data_type)
1465 {
1466 case _SIMM16_LA:
1467 return (int) s3_FAIL;
1468 case _VALUE_HI16:
1469 s3_inst.reloc.type = BFD_RELOC_HI16_S;
1470 s3_inst.reloc.pc_rel = 0;
1471 break;
1472 case _VALUE_LO16:
1473 s3_inst.reloc.type = BFD_RELOC_LO16;
1474 s3_inst.reloc.pc_rel = 0;
1475 break;
1476 case _GP_IMM15:
1477 s3_inst.reloc.type = BFD_RELOC_SCORE_GPREL15;
1478 s3_inst.reloc.pc_rel = 0;
1479 break;
1480 case _SIMM16_pic:
1481 case _IMM16_LO16_pic:
1482 s3_inst.reloc.type = BFD_RELOC_SCORE_GOT_LO16;
1483 s3_inst.reloc.pc_rel = 0;
1484 break;
1485 default:
1486 s3_inst.reloc.type = BFD_RELOC_32;
1487 s3_inst.reloc.pc_rel = 0;
1488 break;
1489 }
1490 }
1491 else
1492 {
1493 if (data_type == _IMM16_pic)
1494 {
1495 s3_inst.reloc.type = BFD_RELOC_SCORE_DUMMY_HI16;
1496 s3_inst.reloc.pc_rel = 0;
1497 }
1498
1499 if (data_type == _SIMM16_LA && s3_inst.reloc.exp.X_unsigned == 1)
1500 {
1501 value = s3_validate_immediate (s3_inst.reloc.exp.X_add_number, _SIMM16_LA_POS, hex_p);
1502 if (value == (int) s3_FAIL) /* for advance to check if this is ldis */
1503 if ((s3_inst.reloc.exp.X_add_number & 0xffff) == 0)
1504 {
1505 s3_inst.instruction |= 0x8000000;
1506 s3_inst.instruction |= ((s3_inst.reloc.exp.X_add_number >> 16) << 1) & 0x1fffe;
1507 return s3_SUCCESS;
1508 }
1509 }
1510 else
1511 {
1512 value = s3_validate_immediate (s3_inst.reloc.exp.X_add_number, data_type, hex_p);
1513 }
1514
1515 if (value == (int) s3_FAIL)
1516 {
1517 if (data_type == _IMM32)
1518 {
1519 sprintf (s3_err_msg,
1520 _("invalid constant: %d bit expression not in range %u..%u"),
1521 s3_score_df_range[data_type].bits,
1522 0, (unsigned)0xffffffff);
1523 }
1524 else if (data_type == _IMM5_MULTI_LOAD)
1525 {
1526 sprintf (s3_err_msg,
1527 _("invalid constant: %d bit expression not in range %u..%u"),
1528 5, 2, 32);
1529 }
1530 else if ((data_type != _SIMM14_NEG) && (data_type != _SIMM16_NEG) && (data_type != _IMM16_NEG))
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[0], s3_score_df_range[data_type].range[1]);
1536 }
1537 else
1538 {
1539 sprintf (s3_err_msg,
1540 _("invalid constant: %d bit expression not in range %d..%d"),
1541 s3_score_df_range[data_type].bits,
1542 -s3_score_df_range[data_type].range[1], -s3_score_df_range[data_type].range[0]);
1543 }
1544
1545 s3_inst.error = s3_err_msg;
1546 return (int) s3_FAIL;
1547 }
1548
1549 if (((s3_score_df_range[data_type].range[0] != 0) || (data_type == _IMM5_RANGE_8_31))
1550 && data_type != _IMM5_MULTI_LOAD)
1551 {
1552 value &= (1 << s3_score_df_range[data_type].bits) - 1;
1553 }
1554
1555 s3_inst.instruction |= value << shift;
1556 }
1557
1558 if ((s3_inst.instruction & 0x3e000000) == 0x30000000)
1559 {
1560 if ((((s3_inst.instruction >> 20) & 0x1F) != 0)
1561 && (((s3_inst.instruction >> 20) & 0x1F) != 1)
1562 && (((s3_inst.instruction >> 20) & 0x1F) != 2)
1563 && (((s3_inst.instruction >> 20) & 0x1F) != 0x10))
1564 {
1565 s3_inst.error = _("invalid constant: bit expression not defined");
1566 return (int) s3_FAIL;
1567 }
1568 }
1569
1570 return s3_SUCCESS;
1571 }
1572
1573 /* Handle addi/addi.c/addis.c/cmpi.c/addis.c/ldi. */
1574 static void
1575 s3_do_rdsi16 (char *str)
1576 {
1577 s3_skip_whitespace (str);
1578
1579 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL
1580 || s3_skip_past_comma (&str) == (int) s3_FAIL
1581 || s3_data_op2 (&str, 1, _SIMM16) == (int) s3_FAIL
1582 || s3_end_of_line (str) == (int) s3_FAIL)
1583 return;
1584
1585 /* ldi.->ldiu! only for imm5 */
1586 if ((s3_inst.instruction & 0x20c0000) == 0x20c0000)
1587 {
1588 if ((s3_inst.instruction & 0x1ffc0) != 0)
1589 {
1590 s3_inst.relax_inst = 0x8000;
1591 }
1592 else
1593 {
1594 s3_inst.relax_inst |= (s3_inst.instruction >> 1) & 0x1f;
1595 s3_inst.relax_inst |= (((s3_inst.instruction >> 20)& 0x1f) <<5);
1596 s3_inst.relax_size = 2;
1597 }
1598 }
1599 /*cmpi.c */
1600 else if ((s3_inst.instruction & 0x02040001) == 0x02040001)
1601 {
1602 /* imm <=0x3f (5 bit<<1)*/
1603 if (((s3_inst.instruction & 0x1ffe0)==0)||(((s3_inst.instruction & 0x1ffe0) == 0x1ffe0)&&(s3_inst.instruction & 0x003e) !=0))
1604 {
1605 s3_inst.relax_inst |= (s3_inst.instruction >> 1) & 0x1f;
1606 s3_inst.relax_inst |= (((s3_inst.instruction >> 20) & 0x1f) << 5);
1607 s3_inst.relax_size = 2;
1608 }
1609 else
1610 {
1611 s3_inst.relax_inst =0x8000;
1612
1613 }
1614 }
1615 /* addi */
1616 else if (((s3_inst.instruction & 0x2000000) == 0x02000000)&& (s3_inst.relax_inst!=0x8000))
1617 {
1618 /* rd : 0-16 ; imm <=0x7f (6 bit<<1)*/
1619 if ((((s3_inst.instruction >> 20) & 0x10) != 0x10) &&
1620 (((s3_inst.instruction & 0x1ffc0)==0)||(((s3_inst.instruction & 0x1ffc0) == 0x1ffc0)&&(s3_inst.instruction & 0x007e) !=0)))
1621 {
1622 s3_inst.relax_inst |= (s3_inst.instruction >> 1) & 0x3f;
1623 s3_inst.relax_inst |= (((s3_inst.instruction >> 20) & 0xf) << 6);
1624 s3_inst.relax_size = 2;
1625 }
1626 else
1627 {
1628 s3_inst.relax_inst =0x8000;
1629
1630 }
1631 }
1632
1633 else if (((s3_inst.instruction >> 20) & 0x10) == 0x10)
1634 {
1635 s3_inst.relax_inst = 0x8000;
1636 }
1637 }
1638
1639 static void
1640 s3_do_ldis (char *str)
1641 {
1642 s3_skip_whitespace (str);
1643
1644 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL
1645 || s3_skip_past_comma (&str) == (int) s3_FAIL
1646 || s3_data_op2 (&str, 1, _IMM16) == (int) s3_FAIL
1647 || s3_end_of_line (str) == (int) s3_FAIL)
1648 return;
1649 }
1650
1651 /* Handle subi/subi.c. */
1652 static void
1653 s3_do_sub_rdsi16 (char *str)
1654 {
1655 s3_skip_whitespace (str);
1656
1657 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1658 && s3_skip_past_comma (&str) != (int) s3_FAIL
1659 && s3_data_op2 (&str, 1, _SIMM16_NEG) != (int) s3_FAIL)
1660 s3_end_of_line (str);
1661 }
1662
1663 /* Handle subis/subis.c. */
1664 static void
1665 s3_do_sub_rdi16 (char *str)
1666 {
1667 s3_skip_whitespace (str);
1668
1669 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1670 && s3_skip_past_comma (&str) != (int) s3_FAIL
1671 && s3_data_op2 (&str, 1, _IMM16_NEG) != (int) s3_FAIL)
1672 s3_end_of_line (str);
1673 }
1674
1675 /* Handle addri/addri.c. */
1676 static void
1677 s3_do_rdrssi14 (char *str) /* -(2^13)~((2^13)-1) */
1678 {
1679 s3_skip_whitespace (str);
1680
1681 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1682 && s3_skip_past_comma (&str) != (int) s3_FAIL
1683 && s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1684 && s3_skip_past_comma (&str) != (int) s3_FAIL)
1685 s3_data_op2 (&str, 1, _SIMM14);
1686 }
1687
1688 /* Handle subri.c/subri. */
1689 static void
1690 s3_do_sub_rdrssi14 (char *str) /* -(2^13)~((2^13)-1) */
1691 {
1692 s3_skip_whitespace (str);
1693
1694 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1695 && s3_skip_past_comma (&str) != (int) s3_FAIL
1696 && s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1697 && s3_skip_past_comma (&str) != (int) s3_FAIL
1698 && s3_data_op2 (&str, 1, _SIMM14_NEG) != (int) s3_FAIL)
1699 s3_end_of_line (str);
1700 }
1701
1702 /* Handle bitclr.c/bitset.c/bittgl.c/slli.c/srai.c/srli.c/roli.c/rori.c/rolic.c.
1703 0~((2^14)-1) */
1704 static void
1705 s3_do_rdrsi5 (char *str)
1706 {
1707 s3_skip_whitespace (str);
1708
1709 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL
1710 || s3_skip_past_comma (&str) == (int) s3_FAIL
1711 || s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL
1712 || s3_skip_past_comma (&str) == (int) s3_FAIL
1713 || s3_data_op2 (&str, 10, _IMM5) == (int) s3_FAIL
1714 || s3_end_of_line (str) == (int) s3_FAIL)
1715 return;
1716
1717 if ((((s3_inst.instruction >> 20) & 0x1f) == ((s3_inst.instruction >> 15) & 0x1f))
1718 && (s3_inst.relax_inst != 0x8000) && (((s3_inst.instruction >> 15) & 0x10) == 0))
1719 {
1720 s3_inst.relax_inst |= (((s3_inst.instruction >> 10) & 0x1f) ) | (((s3_inst.instruction >> 15) & 0xf) << 5);
1721 s3_inst.relax_size = 2;
1722 }
1723 else
1724 s3_inst.relax_inst = 0x8000;
1725 }
1726
1727 /* Handle andri/orri/andri.c/orri.c.
1728 0 ~ ((2^14)-1) */
1729 static void
1730 s3_do_rdrsi14 (char *str)
1731 {
1732 s3_skip_whitespace (str);
1733
1734 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1735 && s3_skip_past_comma (&str) != (int) s3_FAIL
1736 && s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1737 && s3_skip_past_comma (&str) != (int) s3_FAIL
1738 && s3_data_op2 (&str, 1, _IMM14) != (int) s3_FAIL)
1739 s3_end_of_line (str);
1740 }
1741
1742 /* Handle bittst.c. */
1743 static void
1744 s3_do_xrsi5 (char *str)
1745 {
1746 s3_skip_whitespace (str);
1747
1748 if (s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL
1749 || s3_skip_past_comma (&str) == (int) s3_FAIL
1750 || s3_data_op2 (&str, 10, _IMM5) == (int) s3_FAIL
1751 || s3_end_of_line (str) == (int) s3_FAIL)
1752 return;
1753
1754 if ((s3_inst.relax_inst != 0x8000) && (((s3_inst.instruction >> 15) & 0x10) == 0))
1755 {
1756 s3_inst.relax_inst |= ((s3_inst.instruction >> 10) & 0x1f) | (((s3_inst.instruction >> 15) & 0xf) << 5);
1757 s3_inst.relax_size = 2;
1758 }
1759 else
1760 s3_inst.relax_inst = 0x8000;
1761 }
1762
1763 /* Handle addis/andi/ori/andis/oris/ldis. */
1764 static void
1765 s3_do_rdi16 (char *str)
1766 {
1767 s3_skip_whitespace (str);
1768
1769 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL
1770 || s3_skip_past_comma (&str) == (int) s3_FAIL
1771 || s3_data_op2 (&str, 1, _IMM16) == (int) s3_FAIL
1772 || s3_end_of_line (str) == (int) s3_FAIL)
1773 return;
1774
1775 /* ldis */
1776 if ((s3_inst.instruction & 0x3e0e0000) == 0x0a0c0000)
1777 {
1778 /* rd : 0-16 ;imm =0 -> can transform to addi!*/
1779 if ((((s3_inst.instruction >> 20) & 0x10) != 0x10) && ((s3_inst.instruction & 0x1ffff)==0))
1780 {
1781 s3_inst.relax_inst =0x5400; /* ldiu! */
1782 s3_inst.relax_inst |= (s3_inst.instruction >> 1) & 0x1f;
1783 s3_inst.relax_inst |= (((s3_inst.instruction >> 20) & 0xf) << 5);
1784 s3_inst.relax_size = 2;
1785 }
1786 else
1787 {
1788 s3_inst.relax_inst =0x8000;
1789
1790 }
1791 }
1792
1793 /* addis */
1794 else if ((s3_inst.instruction & 0x3e0e0001) == 0x0a000000)
1795 {
1796 /* rd : 0-16 ;imm =0 -> can transform to addi!*/
1797 if ((((s3_inst.instruction >> 20) & 0x10) != 0x10) && ((s3_inst.instruction & 0x1ffff)==0))
1798 {
1799 s3_inst.relax_inst =0x5c00; /* addi! */
1800 s3_inst.relax_inst |= (s3_inst.instruction >> 1) & 0x3f;
1801 s3_inst.relax_inst |= (((s3_inst.instruction >> 20) & 0xf) << 6);
1802 s3_inst.relax_size = 2;
1803 }
1804 else
1805 {
1806 s3_inst.relax_inst =0x8000;
1807
1808 }
1809 }
1810 }
1811
1812 static void
1813 s3_do_macro_rdi32hi (char *str)
1814 {
1815 s3_skip_whitespace (str);
1816
1817 /* Do not handle s3_end_of_line(). */
1818 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1819 && s3_skip_past_comma (&str) != (int) s3_FAIL)
1820 s3_data_op2 (&str, 1, _VALUE_HI16);
1821 }
1822
1823 static void
1824 s3_do_macro_rdi32lo (char *str)
1825 {
1826 s3_skip_whitespace (str);
1827
1828 /* Do not handle s3_end_of_line(). */
1829 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1830 && s3_skip_past_comma (&str) != (int) s3_FAIL)
1831 s3_data_op2 (&str, 1, _VALUE_LO16);
1832 }
1833
1834 /* Handle ldis_pic. */
1835 static void
1836 s3_do_rdi16_pic (char *str)
1837 {
1838 s3_skip_whitespace (str);
1839
1840 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1841 && s3_skip_past_comma (&str) != (int) s3_FAIL
1842 && s3_data_op2 (&str, 1, _IMM16_pic) != (int) s3_FAIL)
1843 s3_end_of_line (str);
1844 }
1845
1846 /* Handle addi_s_pic to generate R_SCORE_GOT_LO16 . */
1847 static void
1848 s3_do_addi_s_pic (char *str)
1849 {
1850 s3_skip_whitespace (str);
1851
1852 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1853 && s3_skip_past_comma (&str) != (int) s3_FAIL
1854 && s3_data_op2 (&str, 1, _SIMM16_pic) != (int) s3_FAIL)
1855 s3_end_of_line (str);
1856 }
1857
1858 /* Handle addi_u_pic to generate R_SCORE_GOT_LO16 . */
1859 static void
1860 s3_do_addi_u_pic (char *str)
1861 {
1862 s3_skip_whitespace (str);
1863
1864 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1865 && s3_skip_past_comma (&str) != (int) s3_FAIL
1866 && s3_data_op2 (&str, 1, _IMM16_LO16_pic) != (int) s3_FAIL)
1867 s3_end_of_line (str);
1868 }
1869
1870 /* Handle mfceh/mfcel/mtceh/mtchl. */
1871 static void
1872 s3_do_rd (char *str)
1873 {
1874 s3_skip_whitespace (str);
1875
1876 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL)
1877 s3_end_of_line (str);
1878 }
1879
1880 /* Handle br{cond},cmpzteq.c ,cmpztmi.c ,cmpz.c */
1881 static void
1882 s3_do_rs (char *str)
1883 {
1884 s3_skip_whitespace (str);
1885
1886 if (s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL
1887 || s3_end_of_line (str) == (int) s3_FAIL)
1888 return;
1889
1890 if ((s3_inst.relax_inst != 0x8000) )
1891 {
1892 s3_inst.relax_inst |= ((s3_inst.instruction >> 15) &0x1f);
1893 s3_inst.relax_size = 2;
1894 }
1895 else
1896 s3_inst.relax_inst = 0x8000;
1897 }
1898
1899 static void
1900 s3_do_i15 (char *str)
1901 {
1902 s3_skip_whitespace (str);
1903
1904 if (s3_data_op2 (&str, 10, _IMM15) != (int) s3_FAIL)
1905 s3_end_of_line (str);
1906 }
1907
1908 static void
1909 s3_do_xi5x (char *str)
1910 {
1911 s3_skip_whitespace (str);
1912
1913 if (s3_data_op2 (&str, 15, _IMM5) == (int) s3_FAIL || s3_end_of_line (str) == (int) s3_FAIL)
1914 return;
1915
1916 if (s3_inst.relax_inst != 0x8000)
1917 {
1918 s3_inst.relax_inst |= ((s3_inst.instruction >> 15) & 0x1f) ;
1919 s3_inst.relax_size = 2;
1920 }
1921 }
1922
1923 static void
1924 s3_do_rdrs (char *str)
1925 {
1926 s3_skip_whitespace (str);
1927
1928 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL
1929 || s3_skip_past_comma (&str) == (int) s3_FAIL
1930 || s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL
1931 || s3_end_of_line (str) == (int) s3_FAIL)
1932 return;
1933
1934 if (s3_inst.relax_inst != 0x8000)
1935 {
1936 if (((s3_inst.instruction & 0x7f) == 0x56)) /* adjust mv -> mv!*/
1937 {
1938 /* mv! rd : 5bit , ra : 5bit */
1939 s3_inst.relax_inst |= ((s3_inst.instruction >> 15) & 0x1f) | (((s3_inst.instruction >> 20) & 0x1f) << 5);
1940 s3_inst.relax_size = 2;
1941
1942 }
1943 else if ((((s3_inst.instruction >> 15) & 0x10) == 0x0) && (((s3_inst.instruction >> 20) & 0x10) == 0))
1944 {
1945 s3_inst.relax_inst |= (((s3_inst.instruction >> 15) & 0xf) << 4)
1946 | (((s3_inst.instruction >> 20) & 0xf) << 8);
1947 s3_inst.relax_size = 2;
1948 }
1949 else
1950 {
1951 s3_inst.relax_inst = 0x8000;
1952 }
1953 }
1954 }
1955
1956 /* Handle mfcr/mtcr. */
1957 static void
1958 s3_do_rdcrs (char *str)
1959 {
1960 s3_skip_whitespace (str);
1961
1962 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1963 && s3_skip_past_comma (&str) != (int) s3_FAIL
1964 && s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE_CR) != (int) s3_FAIL)
1965 s3_end_of_line (str);
1966 }
1967
1968 /* Handle mfsr/mtsr. */
1969 static void
1970 s3_do_rdsrs (char *str)
1971 {
1972 s3_skip_whitespace (str);
1973
1974 /* mfsr */
1975 if ((s3_inst.instruction & 0xff) == 0x50)
1976 {
1977 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1978 && s3_skip_past_comma (&str) != (int) s3_FAIL
1979 && s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE_SR) != (int) s3_FAIL)
1980 s3_end_of_line (str);
1981 }
1982 else
1983 {
1984 if (s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) != (int) s3_FAIL
1985 && s3_skip_past_comma (&str) != (int) s3_FAIL)
1986 s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE_SR);
1987 }
1988 }
1989
1990 /* Handle neg. */
1991 static void
1992 s3_do_rdxrs (char *str)
1993 {
1994 s3_skip_whitespace (str);
1995
1996 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL
1997 || s3_skip_past_comma (&str) == (int) s3_FAIL
1998 || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE) == (int) s3_FAIL
1999 || s3_end_of_line (str) == (int) s3_FAIL)
2000 return;
2001
2002 if ((s3_inst.relax_inst != 0x8000) && (((s3_inst.instruction >> 10) & 0x10) == 0)
2003 && (((s3_inst.instruction >> 20) & 0x10) == 0))
2004 {
2005 s3_inst.relax_inst |= (((s3_inst.instruction >> 10) & 0xf) << 4) | (((s3_inst.instruction >> 20) & 0xf) << 8);
2006 s3_inst.relax_size = 2;
2007 }
2008 else
2009 s3_inst.relax_inst = 0x8000;
2010 }
2011
2012 /* Handle cmp.c/cmp<cond>. */
2013 static void
2014 s3_do_rsrs (char *str)
2015 {
2016 s3_skip_whitespace (str);
2017
2018 if (s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL
2019 || s3_skip_past_comma (&str) == (int) s3_FAIL
2020 || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE) == (int) s3_FAIL
2021 || s3_end_of_line (str) == (int) s3_FAIL)
2022 return;
2023
2024 if ((s3_inst.relax_inst != 0x8000) && (((s3_inst.instruction >> 20) & 0x1f) == 3) )
2025 {
2026 s3_inst.relax_inst |= (((s3_inst.instruction >> 10) & 0x1f)) | (((s3_inst.instruction >> 15) & 0x1f) << 5);
2027 s3_inst.relax_size = 2;
2028 }
2029 else
2030 s3_inst.relax_inst = 0x8000;
2031 }
2032
2033 static void
2034 s3_do_ceinst (char *str)
2035 {
2036 char *strbak;
2037
2038 strbak = str;
2039 s3_skip_whitespace (str);
2040
2041 if (s3_data_op2 (&str, 20, _IMM5) == (int) s3_FAIL
2042 || s3_skip_past_comma (&str) == (int) s3_FAIL
2043 || s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL
2044 || s3_skip_past_comma (&str) == (int) s3_FAIL
2045 || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE) == (int) s3_FAIL
2046 || s3_skip_past_comma (&str) == (int) s3_FAIL
2047 || s3_data_op2 (&str, 5, _IMM5) == (int) s3_FAIL
2048 || s3_skip_past_comma (&str) == (int) s3_FAIL
2049 || s3_data_op2 (&str, 0, _IMM5) == (int) s3_FAIL
2050 || s3_end_of_line (str) == (int) s3_FAIL)
2051 {
2052 return;
2053 }
2054 else
2055 {
2056 str = strbak;
2057 if (s3_data_op2 (&str, 0, _IMM25) == (int) s3_FAIL)
2058 return;
2059 }
2060 }
2061
2062 static int
2063 s3_reglow_required_here (char **str, int shift)
2064 {
2065 static char buff[s3_MAX_LITERAL_POOL_SIZE];
2066 int reg;
2067 char *start = *str;
2068
2069 if ((reg = s3_score_reg_parse (str, s3_all_reg_maps[s3_REG_TYPE_SCORE].htab)) != (int) s3_FAIL)
2070 {
2071 if ((reg == 1) && (s3_nor1 == 1) && (s3_inst.bwarn == 0))
2072 {
2073 as_warn (_("Using temp register(r1)"));
2074 s3_inst.bwarn = 1;
2075 }
2076 if (reg < 16)
2077 {
2078 if (shift >= 0)
2079 s3_inst.instruction |= (bfd_vma) reg << shift;
2080
2081 return reg;
2082 }
2083 }
2084
2085 /* Restore the start point, we may have got a reg of the wrong class. */
2086 *str = start;
2087 sprintf (buff, _("low register(r0-r15)expected, not '%.100s'"), start);
2088 s3_inst.error = buff;
2089 return (int) s3_FAIL;
2090 }
2091
2092 /* Handle add!/and!/or!/sub!. */
2093 static void
2094 s3_do16_rdrs2 (char *str)
2095 {
2096 s3_skip_whitespace (str);
2097
2098 if (s3_reglow_required_here (&str, 4) == (int) s3_FAIL
2099 || s3_skip_past_comma (&str) == (int) s3_FAIL
2100 || s3_reglow_required_here (&str, 0) == (int) s3_FAIL
2101 || s3_end_of_line (str) == (int) s3_FAIL)
2102 {
2103 return;
2104 }
2105 }
2106
2107 /* Handle br!/brl!. */
2108 static void
2109 s3_do16_br (char *str)
2110 {
2111 s3_skip_whitespace (str);
2112
2113 if (s3_reg_required_here (&str, 0, s3_REG_TYPE_SCORE) == (int) s3_FAIL
2114 || s3_end_of_line (str) == (int) s3_FAIL)
2115 {
2116 return;
2117 }
2118 }
2119
2120 /* Handle brr!. */
2121 static void
2122 s3_do16_brr (char *str)
2123 {
2124 int rd = 0;
2125
2126 s3_skip_whitespace (str);
2127
2128 if ((rd = s3_reg_required_here (&str, 0,s3_REG_TYPE_SCORE)) == (int) s3_FAIL
2129 || s3_end_of_line (str) == (int) s3_FAIL)
2130 {
2131 return;
2132 }
2133 }
2134
2135 /*Handle ltbw / ltbh / ltbb */
2136 static void
2137 s3_do_ltb (char *str)
2138 {
2139 s3_skip_whitespace (str);
2140 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL
2141 || s3_skip_past_comma (&str) == (int) s3_FAIL)
2142 {
2143 return;
2144 }
2145
2146 s3_skip_whitespace (str);
2147 if (*str++ != '[')
2148 {
2149 s3_inst.error = _("missing [");
2150 return;
2151 }
2152
2153 if (s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL
2154 || s3_skip_past_comma (&str) == (int) s3_FAIL
2155 || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE) == (int) s3_FAIL)
2156 {
2157 return;
2158 }
2159
2160 s3_skip_whitespace (str);
2161 if (*str++ != ']')
2162 {
2163 s3_inst.error = _("missing ]");
2164 return;
2165 }
2166 }
2167
2168 /* We need to be able to fix up arbitrary expressions in some statements.
2169 This is so that we can handle symbols that are an arbitrary distance from
2170 the pc. The most common cases are of the form ((+/-sym -/+ . - 8) & mask),
2171 which returns part of an address in a form which will be valid for
2172 a data instruction. We do this by pushing the expression into a symbol
2173 in the expr_section, and creating a fix for that. */
2174 static fixS *
2175 s3_fix_new_score (fragS * frag, int where, short int size, expressionS * exp, int pc_rel, int reloc)
2176 {
2177 fixS *new_fix;
2178
2179 switch (exp->X_op)
2180 {
2181 case O_constant:
2182 case O_symbol:
2183 case O_add:
2184 case O_subtract:
2185 new_fix = fix_new_exp (frag, where, size, exp, pc_rel, reloc);
2186 break;
2187 default:
2188 new_fix = fix_new (frag, where, size, make_expr_symbol (exp), 0, pc_rel, reloc);
2189 break;
2190 }
2191 return new_fix;
2192 }
2193
2194 static void
2195 s3_init_dependency_vector (void)
2196 {
2197 int i;
2198
2199 for (i = 0; i < s3_vector_size; i++)
2200 memset (&s3_dependency_vector[i], '\0', sizeof (s3_dependency_vector[i]));
2201
2202 return;
2203 }
2204
2205 static enum s3_insn_type_for_dependency
2206 s3_dependency_type_from_insn (char *insn_name)
2207 {
2208 char name[s3_INSN_NAME_LEN];
2209 const struct s3_insn_to_dependency *tmp;
2210
2211 strcpy (name, insn_name);
2212 tmp = (const struct s3_insn_to_dependency *) hash_find (s3_dependency_insn_hsh, name);
2213
2214 if (tmp)
2215 return tmp->type;
2216
2217 return s3_D_all_insn;
2218 }
2219
2220 static int
2221 s3_check_dependency (char *pre_insn, char *pre_reg,
2222 char *cur_insn, char *cur_reg, int *warn_or_error)
2223 {
2224 int bubbles = 0;
2225 unsigned int i;
2226 enum s3_insn_type_for_dependency pre_insn_type;
2227 enum s3_insn_type_for_dependency cur_insn_type;
2228
2229 pre_insn_type = s3_dependency_type_from_insn (pre_insn);
2230 cur_insn_type = s3_dependency_type_from_insn (cur_insn);
2231
2232 for (i = 0; i < sizeof (s3_data_dependency_table) / sizeof (s3_data_dependency_table[0]); i++)
2233 {
2234 if ((pre_insn_type == s3_data_dependency_table[i].pre_insn_type)
2235 && (s3_D_all_insn == s3_data_dependency_table[i].cur_insn_type
2236 || cur_insn_type == s3_data_dependency_table[i].cur_insn_type)
2237 && (strcmp (s3_data_dependency_table[i].pre_reg, "") == 0
2238 || strcmp (s3_data_dependency_table[i].pre_reg, pre_reg) == 0)
2239 && (strcmp (s3_data_dependency_table[i].cur_reg, "") == 0
2240 || strcmp (s3_data_dependency_table[i].cur_reg, cur_reg) == 0))
2241 {
2242 bubbles = s3_data_dependency_table[i].bubblenum_3;
2243 *warn_or_error = s3_data_dependency_table[i].warn_or_error;
2244 break;
2245 }
2246 }
2247
2248 return bubbles;
2249 }
2250
2251 static void
2252 s3_build_one_frag (struct s3_score_it one_inst)
2253 {
2254 char *p;
2255 int relaxable_p = s3_g_opt;
2256 int relax_size = 0;
2257
2258 /* Start a new frag if frag_now is not empty. */
2259 if (frag_now_fix () != 0)
2260 {
2261 if (!frag_now->tc_frag_data.is_insn)
2262 frag_wane (frag_now);
2263
2264 frag_new (0);
2265 }
2266 frag_grow (20);
2267
2268 p = frag_more (one_inst.size);
2269 s3_md_number_to_chars (p, one_inst.instruction, one_inst.size);
2270
2271 #ifdef OBJ_ELF
2272 dwarf2_emit_insn (one_inst.size);
2273 #endif
2274
2275 relaxable_p &= (one_inst.relax_size != 0);
2276 relax_size = relaxable_p ? one_inst.relax_size : 0;
2277
2278 p = frag_var (rs_machine_dependent, relax_size + s3_RELAX_PAD_BYTE, 0,
2279 s3_RELAX_ENCODE (one_inst.size, one_inst.relax_size,
2280 one_inst.type, 0, 0, relaxable_p),
2281 NULL, 0, NULL);
2282
2283 if (relaxable_p)
2284 s3_md_number_to_chars (p, one_inst.relax_inst, relax_size);
2285 }
2286
2287 static void
2288 s3_handle_dependency (struct s3_score_it *theinst)
2289 {
2290 int i;
2291 int warn_or_error = 0; /* warn - 0; error - 1 */
2292 int bubbles = 0;
2293 int remainder_bubbles = 0;
2294 char cur_insn[s3_INSN_NAME_LEN];
2295 char pre_insn[s3_INSN_NAME_LEN];
2296 struct s3_score_it nop_inst;
2297 struct s3_score_it pflush_inst;
2298
2299 nop_inst.instruction = 0x0000;
2300 nop_inst.size = 2;
2301 nop_inst.relax_inst = 0x80008000;
2302 nop_inst.relax_size = 4;
2303 nop_inst.type = NO16_OPD;
2304
2305 pflush_inst.instruction = 0x8000800a;
2306 pflush_inst.size = 4;
2307 pflush_inst.relax_inst = 0x8000;
2308 pflush_inst.relax_size = 0;
2309 pflush_inst.type = NO_OPD;
2310
2311 /* pflush will clear all data dependency. */
2312 if (strcmp (theinst->name, "pflush") == 0)
2313 {
2314 s3_init_dependency_vector ();
2315 return;
2316 }
2317
2318 /* Push current instruction to s3_dependency_vector[0]. */
2319 for (i = s3_vector_size - 1; i > 0; i--)
2320 memcpy (&s3_dependency_vector[i], &s3_dependency_vector[i - 1], sizeof (s3_dependency_vector[i]));
2321
2322 memcpy (&s3_dependency_vector[0], theinst, sizeof (s3_dependency_vector[i]));
2323
2324 /* There is no dependency between nop and any instruction. */
2325 if (strcmp (s3_dependency_vector[0].name, "nop") == 0
2326 || strcmp (s3_dependency_vector[0].name, "nop!") == 0)
2327 return;
2328
2329 strcpy (cur_insn, s3_dependency_vector[0].name);
2330
2331 for (i = 1; i < s3_vector_size; i++)
2332 {
2333 /* The element of s3_dependency_vector is NULL. */
2334 if (s3_dependency_vector[i].name[0] == '\0')
2335 continue;
2336
2337 strcpy (pre_insn, s3_dependency_vector[i].name);
2338
2339 bubbles = s3_check_dependency (pre_insn, s3_dependency_vector[i].reg,
2340 cur_insn, s3_dependency_vector[0].reg, &warn_or_error);
2341 remainder_bubbles = bubbles - i + 1;
2342
2343 if (remainder_bubbles > 0)
2344 {
2345 int j;
2346
2347 if (s3_fix_data_dependency == 1)
2348 {
2349 if (remainder_bubbles <= 2)
2350 {
2351 if (s3_warn_fix_data_dependency)
2352 as_warn (_("Fix data dependency: %s %s -- %s %s (insert %d nop!/%d)"),
2353 s3_dependency_vector[i].name, s3_dependency_vector[i].reg,
2354 s3_dependency_vector[0].name, s3_dependency_vector[0].reg,
2355 remainder_bubbles, bubbles);
2356
2357 for (j = (s3_vector_size - 1); (j - remainder_bubbles) > 0; j--)
2358 memcpy (&s3_dependency_vector[j], &s3_dependency_vector[j - remainder_bubbles],
2359 sizeof (s3_dependency_vector[j]));
2360
2361 for (j = 1; j <= remainder_bubbles; j++)
2362 {
2363 memset (&s3_dependency_vector[j], '\0', sizeof (s3_dependency_vector[j]));
2364 /* Insert nop!. */
2365 s3_build_one_frag (nop_inst);
2366 }
2367 }
2368 else
2369 {
2370 if (s3_warn_fix_data_dependency)
2371 as_warn (_("Fix data dependency: %s %s -- %s %s (insert 1 pflush/%d)"),
2372 s3_dependency_vector[i].name, s3_dependency_vector[i].reg,
2373 s3_dependency_vector[0].name, s3_dependency_vector[0].reg,
2374 bubbles);
2375
2376 for (j = 1; j < s3_vector_size; j++)
2377 memset (&s3_dependency_vector[j], '\0', sizeof (s3_dependency_vector[j]));
2378
2379 /* Insert pflush. */
2380 s3_build_one_frag (pflush_inst);
2381 }
2382 }
2383 else
2384 {
2385 if (warn_or_error)
2386 {
2387 as_bad (_("data dependency: %s %s -- %s %s (%d/%d bubble)"),
2388 s3_dependency_vector[i].name, s3_dependency_vector[i].reg,
2389 s3_dependency_vector[0].name, s3_dependency_vector[0].reg,
2390 remainder_bubbles, bubbles);
2391 }
2392 else
2393 {
2394 as_warn (_("data dependency: %s %s -- %s %s (%d/%d bubble)"),
2395 s3_dependency_vector[i].name, s3_dependency_vector[i].reg,
2396 s3_dependency_vector[0].name, s3_dependency_vector[0].reg,
2397 remainder_bubbles, bubbles);
2398 }
2399 }
2400 }
2401 }
2402 }
2403
2404 static enum insn_class
2405 s3_get_insn_class_from_type (enum score_insn_type type)
2406 {
2407 enum insn_class retval = (int) s3_FAIL;
2408
2409 switch (type)
2410 {
2411 case Rd_I4:
2412 case Rd_I5:
2413 case Rd_rvalueBP_I5:
2414 case Rd_lvalueBP_I5:
2415 case Rd_I8:
2416 case PC_DISP8div2:
2417 case PC_DISP11div2:
2418 case Rd_Rs:
2419 case Rd_HighRs:
2420 case Rd_lvalueRs:
2421 case Rd_rvalueRs:
2422 case x_Rs:
2423 case Rd_LowRs:
2424 case NO16_OPD:
2425 case Rd_SI5:
2426 case Rd_SI6:
2427 retval = INSN_CLASS_16;
2428 break;
2429 case Rd_Rs_I5:
2430 case x_Rs_I5:
2431 case x_I5_x:
2432 case Rd_Rs_I14:
2433 case I15:
2434 case Rd_I16:
2435 case Rd_SI16:
2436 case Rd_rvalueRs_SI10:
2437 case Rd_lvalueRs_SI10:
2438 case Rd_rvalueRs_preSI12:
2439 case Rd_rvalueRs_postSI12:
2440 case Rd_lvalueRs_preSI12:
2441 case Rd_lvalueRs_postSI12:
2442 case Rd_Rs_SI14:
2443 case Rd_rvalueRs_SI15:
2444 case Rd_lvalueRs_SI15:
2445 case PC_DISP19div2:
2446 case PC_DISP24div2:
2447 case Rd_Rs_Rs:
2448 case x_Rs_x:
2449 case x_Rs_Rs:
2450 case Rd_Rs_x:
2451 case Rd_x_Rs:
2452 case Rd_x_x:
2453 case OP5_rvalueRs_SI15:
2454 case I5_Rs_Rs_I5_OP5:
2455 case x_rvalueRs_post4:
2456 case Rd_rvalueRs_post4:
2457 case Rd_x_I5:
2458 case Rd_lvalueRs_post4:
2459 case x_lvalueRs_post4:
2460 case Rd_Rs_Rs_imm:
2461 case NO_OPD:
2462 case Rd_lvalue32Rs:
2463 case Rd_rvalue32Rs:
2464 case Insn_GP:
2465 case Insn_PIC:
2466 case Insn_internal:
2467 case Insn_BCMP:
2468 case Ra_I9_I5:
2469 retval = INSN_CLASS_32;
2470 break;
2471 case Insn_Type_PCE:
2472 retval = INSN_CLASS_PCE;
2473 break;
2474 case Insn_Type_SYN:
2475 retval = INSN_CLASS_SYN;
2476 break;
2477 case Rd_I30:
2478 case Rd_I32:
2479 retval = INSN_CLASS_48;
2480 break;
2481 default:
2482 abort ();
2483 break;
2484 }
2485 return retval;
2486 }
2487
2488 /* Type of p-bits:
2489 48-bit instruction: 1, 1, 0.
2490 32-bit instruction: 1, 0.
2491 16-bit instruction: 0. */
2492 static bfd_vma
2493 s3_adjust_paritybit (bfd_vma m_code, enum insn_class i_class)
2494 {
2495 bfd_vma result = 0;
2496 bfd_vma m_code_high = 0;
2497 unsigned long m_code_middle = 0;
2498 unsigned long m_code_low = 0;
2499 bfd_vma pb_high = 0;
2500 unsigned long pb_middle = 0;
2501 unsigned long pb_low = 0;
2502
2503 if (i_class == INSN_CLASS_48)
2504 {
2505 pb_high = 0x800000000000LL;
2506 pb_middle = 0x80000000;
2507 pb_low = 0x00000000;
2508 m_code_high = m_code & 0x1fffc0000000LL;
2509 m_code_middle = m_code & 0x3fff8000;
2510 m_code_low = m_code & 0x00007fff;
2511 result = pb_high | (m_code_high << 2) |
2512 pb_middle | (m_code_middle << 1) |
2513 pb_low | m_code_low;
2514 }
2515 else if (i_class == INSN_CLASS_32 || i_class == INSN_CLASS_SYN)
2516 {
2517 pb_high = 0x80000000;
2518 pb_low = 0x00000000;
2519 m_code_high = m_code & 0x3fff8000;
2520 m_code_low = m_code & 0x00007fff;
2521 result = pb_high | (m_code_high << 1) | pb_low | m_code_low;
2522 }
2523 else if (i_class == INSN_CLASS_16)
2524 {
2525 pb_high = 0;
2526 pb_low = 0;
2527 m_code_high = m_code & 0x3fff8000;
2528 m_code_low = m_code & 0x00007fff;
2529 result = pb_high | (m_code_high << 1) | pb_low | m_code_low;
2530 }
2531 else if (i_class == INSN_CLASS_PCE)
2532 {
2533 /* Keep original. */
2534 pb_high = 0;
2535 pb_low = 0x00008000;
2536 m_code_high = m_code & 0x3fff8000;
2537 m_code_low = m_code & 0x00007fff;
2538 result = pb_high | (m_code_high << 1) | pb_low | m_code_low;
2539 }
2540 else
2541 {
2542 abort ();
2543 }
2544
2545 return result;
2546 }
2547
2548 static void
2549 s3_gen_insn_frag (struct s3_score_it *part_1, struct s3_score_it *part_2)
2550 {
2551 char *p;
2552 bfd_boolean pce_p = FALSE;
2553 int relaxable_p = s3_g_opt;
2554 int relax_size = 0;
2555 struct s3_score_it *inst1 = part_1;
2556 struct s3_score_it *inst2 = part_2;
2557 struct s3_score_it backup_inst1;
2558
2559 pce_p = (inst2) ? TRUE : FALSE;
2560 memcpy (&backup_inst1, inst1, sizeof (struct s3_score_it));
2561
2562 /* Adjust instruction opcode and to be relaxed instruction opcode. */
2563 if (pce_p)
2564 {
2565 backup_inst1.instruction = ((backup_inst1.instruction & 0x7FFF) << 15)
2566 | (inst2->instruction & 0x7FFF);
2567 backup_inst1.instruction = s3_adjust_paritybit (backup_inst1.instruction, INSN_CLASS_PCE);
2568 backup_inst1.relax_inst = 0x8000;
2569 backup_inst1.size = s3_INSN_SIZE;
2570 backup_inst1.relax_size = 0;
2571 backup_inst1.type = Insn_Type_PCE;
2572 }
2573 else
2574 {
2575 backup_inst1.instruction = s3_adjust_paritybit (backup_inst1.instruction,
2576 s3_GET_INSN_CLASS (backup_inst1.type));
2577 }
2578
2579 if (backup_inst1.relax_size != 0)
2580 {
2581 enum insn_class tmp;
2582
2583 tmp = (backup_inst1.size == s3_INSN_SIZE) ? INSN_CLASS_16 : INSN_CLASS_32;
2584 backup_inst1.relax_inst = s3_adjust_paritybit (backup_inst1.relax_inst, tmp);
2585 }
2586
2587 /* Check data dependency. */
2588 s3_handle_dependency (&backup_inst1);
2589
2590 /* Start a new frag if frag_now is not empty and is not instruction frag, maybe it contains
2591 data produced by .ascii etc. Doing this is to make one instruction per frag. */
2592 if (frag_now_fix () != 0)
2593 {
2594 if (!frag_now->tc_frag_data.is_insn)
2595 frag_wane (frag_now);
2596
2597 frag_new (0);
2598 }
2599
2600 /* Here, we must call frag_grow in order to keep the instruction frag type is
2601 rs_machine_dependent.
2602 For, frag_var may change frag_now->fr_type to rs_fill by calling frag_grow which
2603 acturally will call frag_wane.
2604 Calling frag_grow first will create a new frag_now which free size is 20 that is enough
2605 for frag_var. */
2606 frag_grow (20);
2607
2608 p = frag_more (backup_inst1.size);
2609 s3_md_number_to_chars (p, backup_inst1.instruction, backup_inst1.size);
2610
2611 #ifdef OBJ_ELF
2612 dwarf2_emit_insn (backup_inst1.size);
2613 #endif
2614
2615 /* Generate fixup structure. */
2616 if (pce_p)
2617 {
2618 if (inst1->reloc.type != BFD_RELOC_NONE)
2619 s3_fix_new_score (frag_now, p - frag_now->fr_literal,
2620 inst1->size, &inst1->reloc.exp,
2621 inst1->reloc.pc_rel, inst1->reloc.type);
2622
2623 if (inst2->reloc.type != BFD_RELOC_NONE)
2624 s3_fix_new_score (frag_now, p - frag_now->fr_literal + 2,
2625 inst2->size, &inst2->reloc.exp, inst2->reloc.pc_rel, inst2->reloc.type);
2626 }
2627 else
2628 {
2629 if (backup_inst1.reloc.type != BFD_RELOC_NONE)
2630 s3_fix_new_score (frag_now, p - frag_now->fr_literal,
2631 backup_inst1.size, &backup_inst1.reloc.exp,
2632 backup_inst1.reloc.pc_rel, backup_inst1.reloc.type);
2633 }
2634
2635 /* relax_size may be 2, 4, 12 or 0, 0 indicates no relaxation. */
2636 relaxable_p &= (backup_inst1.relax_size != 0);
2637 relax_size = relaxable_p ? backup_inst1.relax_size : 0;
2638
2639 p = frag_var (rs_machine_dependent, relax_size + s3_RELAX_PAD_BYTE, 0,
2640 s3_RELAX_ENCODE (backup_inst1.size, backup_inst1.relax_size,
2641 backup_inst1.type, 0, 0, relaxable_p),
2642 backup_inst1.reloc.exp.X_add_symbol, 0, NULL);
2643
2644 if (relaxable_p)
2645 s3_md_number_to_chars (p, backup_inst1.relax_inst, relax_size);
2646
2647 memcpy (inst1, &backup_inst1, sizeof (struct s3_score_it));
2648 }
2649
2650 static void
2651 s3_parse_16_32_inst (char *insnstr, bfd_boolean gen_frag_p)
2652 {
2653 char c;
2654 char *p;
2655 char *operator = insnstr;
2656 const struct s3_asm_opcode *opcode;
2657
2658 /* Parse operator and operands. */
2659 s3_skip_whitespace (operator);
2660
2661 for (p = operator; *p != '\0'; p++)
2662 if ((*p == ' ') || (*p == '!'))
2663 break;
2664
2665 if (*p == '!')
2666 p++;
2667
2668 c = *p;
2669 *p = '\0';
2670
2671 opcode = (const struct s3_asm_opcode *) hash_find (s3_score_ops_hsh, operator);
2672 *p = c;
2673
2674 memset (&s3_inst, '\0', sizeof (s3_inst));
2675 sprintf (s3_inst.str, "%s", insnstr);
2676 if (opcode)
2677 {
2678 s3_inst.instruction = opcode->value;
2679 s3_inst.relax_inst = opcode->relax_value;
2680 s3_inst.type = opcode->type;
2681 s3_inst.size = s3_GET_INSN_SIZE (s3_inst.type);
2682 s3_inst.relax_size = 0;
2683 s3_inst.bwarn = 0;
2684 sprintf (s3_inst.name, "%s", opcode->template_name);
2685 strcpy (s3_inst.reg, "");
2686 s3_inst.error = NULL;
2687 s3_inst.reloc.type = BFD_RELOC_NONE;
2688
2689 (*opcode->parms) (p);
2690
2691 /* It indicates current instruction is a macro instruction if s3_inst.bwarn equals -1. */
2692 if ((s3_inst.bwarn != -1) && (!s3_inst.error) && (gen_frag_p))
2693 s3_gen_insn_frag (&s3_inst, NULL);
2694 }
2695 else
2696 s3_inst.error = _("unrecognized opcode");
2697 }
2698
2699 static void
2700 s3_parse_48_inst (char *insnstr, bfd_boolean gen_frag_p)
2701 {
2702 char c;
2703 char *p;
2704 char *operator = insnstr;
2705 const struct s3_asm_opcode *opcode;
2706
2707 /* Parse operator and operands. */
2708 s3_skip_whitespace (operator);
2709
2710 for (p = operator; *p != '\0'; p++)
2711 if (*p == ' ')
2712 break;
2713
2714 c = *p;
2715 *p = '\0';
2716
2717 opcode = (const struct s3_asm_opcode *) hash_find (s3_score_ops_hsh, operator);
2718 *p = c;
2719
2720 memset (&s3_inst, '\0', sizeof (s3_inst));
2721 sprintf (s3_inst.str, "%s", insnstr);
2722 if (opcode)
2723 {
2724 s3_inst.instruction = opcode->value;
2725 s3_inst.relax_inst = opcode->relax_value;
2726 s3_inst.type = opcode->type;
2727 s3_inst.size = s3_GET_INSN_SIZE (s3_inst.type);
2728 s3_inst.relax_size = 0;
2729 s3_inst.bwarn = 0;
2730 sprintf (s3_inst.name, "%s", opcode->template_name);
2731 strcpy (s3_inst.reg, "");
2732 s3_inst.error = NULL;
2733 s3_inst.reloc.type = BFD_RELOC_NONE;
2734
2735 (*opcode->parms) (p);
2736
2737 /* It indicates current instruction is a macro instruction if s3_inst.bwarn equals -1. */
2738 if ((s3_inst.bwarn != -1) && (!s3_inst.error) && (gen_frag_p))
2739 s3_gen_insn_frag (&s3_inst, NULL);
2740 }
2741 else
2742 s3_inst.error = _("unrecognized opcode");
2743 }
2744
2745 static int
2746 s3_append_insn (char *str, bfd_boolean gen_frag_p)
2747 {
2748 int retval = s3_SUCCESS;
2749
2750 s3_parse_16_32_inst (str, gen_frag_p);
2751
2752 if (s3_inst.error)
2753 {
2754 retval = (int) s3_FAIL;
2755 as_bad (_("%s -- `%s'"), s3_inst.error, s3_inst.str);
2756 s3_inst.error = NULL;
2757 }
2758
2759 return retval;
2760 }
2761
2762 static void
2763 s3_do16_mv_cmp (char *str)
2764 {
2765 s3_skip_whitespace (str);
2766
2767 if (s3_reg_required_here (&str, 5, s3_REG_TYPE_SCORE) == (int) s3_FAIL
2768 || s3_skip_past_comma (&str) == (int) s3_FAIL
2769 || s3_reg_required_here (&str, 0, s3_REG_TYPE_SCORE) == (int) s3_FAIL
2770 || s3_end_of_line (str) == (int) s3_FAIL)
2771 {
2772 return;
2773 }
2774 }
2775
2776 static void
2777 s3_do16_cmpi (char *str)
2778 {
2779 s3_skip_whitespace (str);
2780
2781 if (s3_reg_required_here (&str, 5, s3_REG_TYPE_SCORE) == (int) s3_FAIL
2782 || s3_skip_past_comma (&str) == (int) s3_FAIL
2783 || s3_data_op2 (&str, 0, _SIMM5) == (int) s3_FAIL
2784 || s3_end_of_line (str) == (int) s3_FAIL)
2785 {
2786 return;
2787 }
2788 }
2789
2790 static void
2791 s3_do16_addi (char *str)
2792 {
2793 s3_skip_whitespace (str);
2794
2795 if (s3_reglow_required_here (&str, 6) == (int) s3_FAIL
2796 || s3_skip_past_comma (&str) == (int) s3_FAIL
2797 || s3_data_op2 (&str, 0, _SIMM6) == (int) s3_FAIL
2798 || s3_end_of_line (str) == (int) s3_FAIL)
2799 {
2800 return;
2801 }
2802 }
2803
2804 /* Handle bitclr! / bitset! / bittst! / bittgl! */
2805 static void
2806 s3_do16_rdi5 (char *str)
2807 {
2808 s3_skip_whitespace (str);
2809
2810 if (s3_reglow_required_here (&str, 5) == (int) s3_FAIL
2811 || s3_skip_past_comma (&str) == (int) s3_FAIL
2812 || s3_data_op2 (&str, 0, _IMM5) == (int) s3_FAIL
2813 || s3_end_of_line (str) == (int) s3_FAIL)
2814 return;
2815 else
2816 {
2817 s3_inst.relax_inst |= (((s3_inst.instruction >>5) & 0xf) << 20)
2818 | (((s3_inst.instruction >> 5) & 0xf) << 15) | (((s3_inst.instruction ) & 0x1f) << 10);
2819 s3_inst.relax_size = 4;
2820 }
2821 }
2822
2823
2824 /* Handle sdbbp!. */
2825 static void
2826 s3_do16_xi5 (char *str)
2827 {
2828 s3_skip_whitespace (str);
2829
2830 if (s3_data_op2 (&str, 0, _IMM5) == (int) s3_FAIL || s3_end_of_line (str) == (int) s3_FAIL)
2831 return;
2832 }
2833
2834 /* Check that an immediate is word alignment or half word alignment.
2835 If so, convert it to the right format. */
2836 static int
2837 s3_validate_immediate_align (int val, unsigned int data_type)
2838 {
2839 if (data_type == _IMM5_RSHIFT_1)
2840 {
2841 if (val % 2)
2842 {
2843 s3_inst.error = _("address offset must be half word alignment");
2844 return (int) s3_FAIL;
2845 }
2846 }
2847 else if ((data_type == _IMM5_RSHIFT_2) || (data_type == _IMM10_RSHIFT_2))
2848 {
2849 if (val % 4)
2850 {
2851 s3_inst.error = _("address offset must be word alignment");
2852 return (int) s3_FAIL;
2853 }
2854 }
2855
2856 return s3_SUCCESS;
2857 }
2858
2859 static int
2860 s3_exp_ldst_offset (char **str, int shift, unsigned int data_type)
2861 {
2862 char *dataptr;
2863
2864 dataptr = * str;
2865
2866 if ((*dataptr == '0') && (*(dataptr + 1) == 'x')
2867 && (data_type != _SIMM16_LA)
2868 && (data_type != _VALUE_HI16)
2869 && (data_type != _VALUE_LO16)
2870 && (data_type != _IMM16)
2871 && (data_type != _IMM15)
2872 && (data_type != _IMM14)
2873 && (data_type != _IMM4)
2874 && (data_type != _IMM5)
2875 && (data_type != _IMM8)
2876 && (data_type != _IMM5_RSHIFT_1)
2877 && (data_type != _IMM5_RSHIFT_2)
2878 && (data_type != _SIMM14_NEG)
2879 && (data_type != _IMM10_RSHIFT_2))
2880 {
2881 data_type += 24;
2882 }
2883
2884 if (s3_my_get_expression (&s3_inst.reloc.exp, str) == (int) s3_FAIL)
2885 return (int) s3_FAIL;
2886
2887 if (s3_inst.reloc.exp.X_op == O_constant)
2888 {
2889 /* Need to check the immediate align. */
2890 int value = s3_validate_immediate_align (s3_inst.reloc.exp.X_add_number, data_type);
2891
2892 if (value == (int) s3_FAIL)
2893 return (int) s3_FAIL;
2894
2895 value = s3_validate_immediate (s3_inst.reloc.exp.X_add_number, data_type, 0);
2896 if (value == (int) s3_FAIL)
2897 {
2898 if (data_type < 30)
2899 sprintf (s3_err_msg,
2900 _("invalid constant: %d bit expression not in range %d..%d"),
2901 s3_score_df_range[data_type].bits,
2902 s3_score_df_range[data_type].range[0], s3_score_df_range[data_type].range[1]);
2903 else
2904 sprintf (s3_err_msg,
2905 _("invalid constant: %d bit expression not in range %d..%d"),
2906 s3_score_df_range[data_type - 24].bits,
2907 s3_score_df_range[data_type - 24].range[0], s3_score_df_range[data_type - 24].range[1]);
2908 s3_inst.error = s3_err_msg;
2909 return (int) s3_FAIL;
2910 }
2911
2912 if (data_type == _IMM5_RSHIFT_1)
2913 {
2914 value >>= 1;
2915 }
2916 else if ((data_type == _IMM5_RSHIFT_2) || (data_type == _IMM10_RSHIFT_2))
2917 {
2918 value >>= 2;
2919 }
2920
2921 if (s3_score_df_range[data_type].range[0] != 0)
2922 {
2923 value &= (1 << s3_score_df_range[data_type].bits) - 1;
2924 }
2925
2926 s3_inst.instruction |= value << shift;
2927 }
2928 else
2929 {
2930 s3_inst.reloc.pc_rel = 0;
2931 }
2932
2933 return s3_SUCCESS;
2934 }
2935
2936 static void
2937 s3_do_ldst_insn (char *str)
2938 {
2939 int pre_inc = 0;
2940 int conflict_reg;
2941 int value;
2942 char * temp;
2943 char *strbak;
2944 char *dataptr;
2945 int reg;
2946 int ldst_idx = 0;
2947
2948 strbak = str;
2949 s3_skip_whitespace (str);
2950
2951 if (((conflict_reg = s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
2952 || (s3_skip_past_comma (&str) == (int) s3_FAIL))
2953 return;
2954
2955 /* ld/sw rD, [rA, simm15] ld/sw rD, [rA]+, simm12 ld/sw rD, [rA, simm12]+. */
2956 if (*str == '[')
2957 {
2958 str++;
2959 s3_skip_whitespace (str);
2960
2961 if ((reg = s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
2962 return;
2963
2964 /* Conflicts can occur on stores as well as loads. */
2965 conflict_reg = (conflict_reg == reg);
2966 s3_skip_whitespace (str);
2967 temp = str + 1; /* The latter will process decimal/hex expression. */
2968
2969 /* ld/sw rD, [rA]+, simm12 ld/sw rD, [rA]+. */
2970 if (*str == ']')
2971 {
2972 str++;
2973 if (*str == '+')
2974 {
2975 str++;
2976 /* ld/sw rD, [rA]+, simm12. */
2977 if (s3_skip_past_comma (&str) == s3_SUCCESS)
2978 {
2979 if ((s3_exp_ldst_offset (&str, 3, _SIMM12) == (int) s3_FAIL)
2980 || (s3_end_of_line (str) == (int) s3_FAIL))
2981 return;
2982
2983 if (conflict_reg)
2984 {
2985 unsigned int ldst_func = s3_inst.instruction & OPC_PSEUDOLDST_MASK;
2986
2987 if ((ldst_func == INSN_LH)
2988 || (ldst_func == INSN_LHU)
2989 || (ldst_func == INSN_LW)
2990 || (ldst_func == INSN_LB)
2991 || (ldst_func == INSN_LBU))
2992 {
2993 s3_inst.error = _("register same as write-back base");
2994 return;
2995 }
2996 }
2997
2998 ldst_idx = s3_inst.instruction & OPC_PSEUDOLDST_MASK;
2999 s3_inst.instruction &= ~OPC_PSEUDOLDST_MASK;
3000 s3_inst.instruction |= s3_score_ldst_insns[ldst_idx * 3 + LDST_POST].value;
3001
3002 /* lw rD, [rA]+, 4 convert to pop rD, [rA]. */
3003 if ((s3_inst.instruction & 0x3e000007) == 0x0e000000)
3004 {
3005 /* rs = r0, offset = 4 */
3006 if ((((s3_inst.instruction >> 15) & 0x1f) == 0)
3007 && (((s3_inst.instruction >> 3) & 0xfff) == 4))
3008 {
3009 /* Relax to pop!. */
3010 s3_inst.relax_inst = 0x0040 | ((s3_inst.instruction >> 20) & 0x1f);
3011 s3_inst.relax_size = 2;
3012 }
3013 }
3014 return;
3015 }
3016 /* ld/sw rD, [rA]+ convert to ld/sw rD, [rA, 0]+. */
3017 else
3018 {
3019 s3_SET_INSN_ERROR (NULL);
3020 if (s3_end_of_line (str) == (int) s3_FAIL)
3021 {
3022 return;
3023 }
3024
3025 pre_inc = 1;
3026 value = s3_validate_immediate (s3_inst.reloc.exp.X_add_number, _SIMM12, 0);
3027 value &= (1 << s3_score_df_range[_SIMM12].bits) - 1;
3028 ldst_idx = s3_inst.instruction & OPC_PSEUDOLDST_MASK;
3029 s3_inst.instruction &= ~OPC_PSEUDOLDST_MASK;
3030 s3_inst.instruction |= s3_score_ldst_insns[ldst_idx * 3 + pre_inc].value;
3031 s3_inst.instruction |= value << 3;
3032 s3_inst.relax_inst = 0x8000;
3033 return;
3034 }
3035 }
3036 /* ld/sw rD, [rA] convert to ld/sw rD, [rA, simm15]. */
3037 else
3038 {
3039 if (s3_end_of_line (str) == (int) s3_FAIL)
3040 return;
3041
3042 ldst_idx = s3_inst.instruction & OPC_PSEUDOLDST_MASK;
3043 s3_inst.instruction &= ~OPC_PSEUDOLDST_MASK;
3044 s3_inst.instruction |= s3_score_ldst_insns[ldst_idx * 3 + LDST_NOUPDATE].value;
3045
3046 /* lbu rd, [rs] -> lbu! rd, [rs] */
3047 if (ldst_idx == INSN_LBU)
3048 {
3049 s3_inst.relax_inst = INSN16_LBU;
3050 }
3051 else if (ldst_idx == INSN_LH)
3052 {
3053 s3_inst.relax_inst = INSN16_LH;
3054 }
3055 else if (ldst_idx == INSN_LW)
3056 {
3057 s3_inst.relax_inst = INSN16_LW;
3058 }
3059 else if (ldst_idx == INSN_SB)
3060 {
3061 s3_inst.relax_inst = INSN16_SB;
3062 }
3063 else if (ldst_idx == INSN_SH)
3064 {
3065 s3_inst.relax_inst = INSN16_SH;
3066 }
3067 else if (ldst_idx == INSN_SW)
3068 {
3069 s3_inst.relax_inst = INSN16_SW;
3070 }
3071 else
3072 {
3073 s3_inst.relax_inst = 0x8000;
3074 }
3075
3076 /* lw/lh/lbu/sw/sh/sb, offset = 0, relax to 16 bit instruction. */
3077 /* if ((ldst_idx == INSN_LBU)
3078 || (ldst_idx == INSN_LH)
3079 || (ldst_idx == INSN_LW)
3080 || (ldst_idx == INSN_SB) || (ldst_idx == INSN_SH) || (ldst_idx == INSN_SW))*/
3081 if ( (ldst_idx == INSN_LW)|| (ldst_idx == INSN_SW))
3082 {
3083 /* ra only 3 bit , rd only 4 bit for lw! and sw! */
3084 if ((((s3_inst.instruction >> 15) & 0x18) == 0) && (((s3_inst.instruction >> 20) & 0x10) == 0))
3085 {
3086 s3_inst.relax_inst |= (((s3_inst.instruction >> 20) & 0xf) << 8) |
3087 (((s3_inst.instruction >> 15) & 0x7) << 5);
3088 s3_inst.relax_size = 2;
3089 }
3090 }
3091
3092 return;
3093 }
3094 }
3095 /* ld/sw rD, [rA, simm15] ld/sw rD, [rA, simm12]+. */
3096 else
3097 {
3098 if (s3_skip_past_comma (&str) == (int) s3_FAIL)
3099 {
3100 s3_inst.error = _("pre-indexed expression expected");
3101 return;
3102 }
3103
3104 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL)
3105 return;
3106
3107 s3_skip_whitespace (str);
3108 if (*str++ != ']')
3109 {
3110 s3_inst.error = _("missing ]");
3111 return;
3112 }
3113
3114 s3_skip_whitespace (str);
3115 /* ld/sw rD, [rA, simm12]+. */
3116 if (*str == '+')
3117 {
3118 str++;
3119 pre_inc = 1;
3120 if (conflict_reg)
3121 {
3122 unsigned int ldst_func = s3_inst.instruction & OPC_PSEUDOLDST_MASK;
3123
3124 if ((ldst_func == INSN_LH)
3125 || (ldst_func == INSN_LHU)
3126 || (ldst_func == INSN_LW)
3127 || (ldst_func == INSN_LB)
3128 || (ldst_func == INSN_LBU))
3129 {
3130 s3_inst.error = _("register same as write-back base");
3131 return;
3132 }
3133 }
3134 }
3135
3136 if (s3_end_of_line (str) == (int) s3_FAIL)
3137 return;
3138
3139 if (s3_inst.reloc.exp.X_op == O_constant)
3140 {
3141 unsigned int data_type;
3142
3143 if (pre_inc == 1)
3144 data_type = _SIMM12;
3145 else
3146 data_type = _SIMM15;
3147 dataptr = temp;
3148
3149 if ((*dataptr == '0') && (*(dataptr + 1) == 'x')
3150 && (data_type != _SIMM16_LA)
3151 && (data_type != _VALUE_HI16)
3152 && (data_type != _VALUE_LO16)
3153 && (data_type != _IMM16)
3154 && (data_type != _IMM15)
3155 && (data_type != _IMM14)
3156 && (data_type != _IMM4)
3157 && (data_type != _IMM5)
3158 && (data_type != _IMM8)
3159 && (data_type != _IMM5_RSHIFT_1)
3160 && (data_type != _IMM5_RSHIFT_2)
3161 && (data_type != _SIMM14_NEG)
3162 && (data_type != _IMM10_RSHIFT_2))
3163 {
3164 data_type += 24;
3165 }
3166
3167 value = s3_validate_immediate (s3_inst.reloc.exp.X_add_number, data_type, 0);
3168 if (value == (int) s3_FAIL)
3169 {
3170 if (data_type < 30)
3171 sprintf (s3_err_msg,
3172 _("invalid constant: %d bit expression not in range %d..%d"),
3173 s3_score_df_range[data_type].bits,
3174 s3_score_df_range[data_type].range[0], s3_score_df_range[data_type].range[1]);
3175 else
3176 sprintf (s3_err_msg,
3177 _("invalid constant: %d bit expression not in range %d..%d"),
3178 s3_score_df_range[data_type - 24].bits,
3179 s3_score_df_range[data_type - 24].range[0],
3180 s3_score_df_range[data_type - 24].range[1]);
3181 s3_inst.error = s3_err_msg;
3182 return;
3183 }
3184
3185 value &= (1 << s3_score_df_range[data_type].bits) - 1;
3186 ldst_idx = s3_inst.instruction & OPC_PSEUDOLDST_MASK;
3187 s3_inst.instruction &= ~OPC_PSEUDOLDST_MASK;
3188 s3_inst.instruction |= s3_score_ldst_insns[ldst_idx * 3 + pre_inc].value;
3189 if (pre_inc == 1)
3190 s3_inst.instruction |= value << 3;
3191 else
3192 s3_inst.instruction |= value;
3193
3194 /* lw rD, [rA, simm15] */
3195 if ((s3_inst.instruction & 0x3e000000) == 0x20000000)
3196 {
3197 /* rD in [r0 - r15]. , ra in [r0-r7] */
3198 if ((((s3_inst.instruction >> 15) & 0x18) == 0)
3199 && (((s3_inst.instruction >> 20) & 0x10) == 0))
3200 {
3201 /* simm = [bit 7], lw -> lw!. */
3202 if (((s3_inst.instruction & 0x7f80) == 0)&&((s3_inst.instruction &0x3)==0))
3203 {
3204 s3_inst.relax_inst |= (((s3_inst.instruction >> 15) & 0x7) << 5)
3205 | (((s3_inst.instruction >> 20) & 0xf) << 8)|(value>>2);
3206 s3_inst.relax_size = 2;
3207 }
3208 else
3209 {
3210 s3_inst.relax_inst = 0x8000;
3211 }
3212 }
3213 else
3214 {
3215 s3_inst.relax_inst = 0x8000;
3216 }
3217 }
3218 /* sw rD, [rA, simm15] */
3219 else if ((s3_inst.instruction & 0x3e000000) == 0x28000000)
3220 {
3221 /* rD is in [r0 - r15] and ra in [r0-r7] */
3222 if ((((s3_inst.instruction >> 15) & 0x18) == 0) && (((s3_inst.instruction >> 20) & 0x10) == 0))
3223 {
3224 /* simm15 =7 bit , sw -> sw!. */
3225 if (((s3_inst.instruction & 0x7f80) == 0)&&((s3_inst.instruction &0x3)==0))
3226 {
3227 s3_inst.relax_inst |= (((s3_inst.instruction >> 15) & 0xf) << 5)
3228 | (((s3_inst.instruction >> 20) & 0xf) << 8)|(value>>2);
3229 s3_inst.relax_size = 2;
3230 }
3231 /* rA = r2, sw -> swp!. */
3232 else
3233 {
3234 s3_inst.relax_inst = 0x8000;
3235 }
3236 }
3237 else
3238 {
3239 s3_inst.relax_inst = 0x8000;
3240 }
3241 }
3242 /* sw rD, [rA, simm15]+ sw pre. */
3243 else if ((s3_inst.instruction & 0x3e000007) == 0x06000004)
3244 {
3245 /* simm15 = -4. and ra==r0 */
3246 if ((((s3_inst.instruction >> 15) & 0x1f) == 0)
3247 && (((s3_inst.instruction >> 3) & 0xfff) == 0xffc))
3248 {
3249 /* sw -> push!. */
3250 s3_inst.relax_inst = 0x0060 | ((s3_inst.instruction >> 20) & 0x1f);
3251 s3_inst.relax_size = 2;
3252 }
3253 else
3254 {
3255 s3_inst.relax_inst = 0x8000;
3256 }
3257 }
3258 else
3259 {
3260 s3_inst.relax_inst = 0x8000;
3261 }
3262
3263 return;
3264 }
3265 else
3266 {
3267 /* FIXME: may set error, for there is no ld/sw rD, [rA, label] */
3268 s3_inst.reloc.pc_rel = 0;
3269 }
3270 }
3271 }
3272 else
3273 {
3274 s3_inst.error = s3_BAD_ARGS;
3275 }
3276 }
3277
3278 /* Handle cache. */
3279 static void
3280 s3_do_cache (char *str)
3281 {
3282 s3_skip_whitespace (str);
3283
3284 if ((s3_data_op2 (&str, 20, _IMM5) == (int) s3_FAIL) || (s3_skip_past_comma (&str) == (int) s3_FAIL))
3285 {
3286 return;
3287 }
3288 else
3289 {
3290 int cache_op;
3291
3292 cache_op = (s3_inst.instruction >> 20) & 0x1F;
3293 sprintf (s3_inst.name, "cache %d", cache_op);
3294 }
3295
3296 if (*str == '[')
3297 {
3298 str++;
3299 s3_skip_whitespace (str);
3300
3301 if (s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL)
3302 return;
3303
3304 s3_skip_whitespace (str);
3305
3306 /* cache op, [rA] */
3307 if (s3_skip_past_comma (&str) == (int) s3_FAIL)
3308 {
3309 s3_SET_INSN_ERROR (NULL);
3310 if (*str != ']')
3311 {
3312 s3_inst.error = _("missing ]");
3313 return;
3314 }
3315 str++;
3316 }
3317 /* cache op, [rA, simm15] */
3318 else
3319 {
3320 if (s3_exp_ldst_offset (&str, 0, _SIMM15) == (int) s3_FAIL)
3321 {
3322 return;
3323 }
3324
3325 s3_skip_whitespace (str);
3326 if (*str++ != ']')
3327 {
3328 s3_inst.error = _("missing ]");
3329 return;
3330 }
3331 }
3332
3333 if (s3_end_of_line (str) == (int) s3_FAIL)
3334 return;
3335 }
3336 else
3337 {
3338 s3_inst.error = s3_BAD_ARGS;
3339 }
3340 }
3341
3342 static void
3343 s3_do_crdcrscrsimm5 (char *str)
3344 {
3345 char *strbak;
3346
3347 strbak = str;
3348 s3_skip_whitespace (str);
3349
3350 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE_CR) == (int) s3_FAIL
3351 || s3_skip_past_comma (&str) == (int) s3_FAIL
3352 || s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE_CR) == (int) s3_FAIL
3353 || s3_skip_past_comma (&str) == (int) s3_FAIL
3354 || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE_CR) == (int) s3_FAIL
3355 || s3_skip_past_comma (&str) == (int) s3_FAIL)
3356 {
3357 str = strbak;
3358 /* cop1 cop_code20. */
3359 if (s3_data_op2 (&str, 5, _IMM20) == (int) s3_FAIL)
3360 return;
3361 }
3362 else
3363 {
3364 if (s3_data_op2 (&str, 5, _IMM5) == (int) s3_FAIL)
3365 return;
3366 }
3367
3368 s3_end_of_line (str);
3369 }
3370
3371 /* Handle ldc/stc. */
3372 static void
3373 s3_do_ldst_cop (char *str)
3374 {
3375 s3_skip_whitespace (str);
3376
3377 if ((s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE_CR) == (int) s3_FAIL)
3378 || (s3_skip_past_comma (&str) == (int) s3_FAIL))
3379 return;
3380
3381 if (*str == '[')
3382 {
3383 str++;
3384 s3_skip_whitespace (str);
3385
3386 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL)
3387 return;
3388
3389 s3_skip_whitespace (str);
3390
3391 if (*str++ != ']')
3392 {
3393 if (s3_exp_ldst_offset (&str, 5, _IMM10_RSHIFT_2) == (int) s3_FAIL)
3394 return;
3395
3396 s3_skip_whitespace (str);
3397 if (*str++ != ']')
3398 {
3399 s3_inst.error = _("missing ]");
3400 return;
3401 }
3402 }
3403
3404 s3_end_of_line (str);
3405 }
3406 else
3407 s3_inst.error = s3_BAD_ARGS;
3408 }
3409
3410 static void
3411 s3_do16_ldst_insn (char *str)
3412 {
3413 int conflict_reg=0;
3414 char * temp;
3415 s3_skip_whitespace (str);
3416
3417 if ((s3_reglow_required_here (&str, 8) == (int) s3_FAIL) || (s3_skip_past_comma (&str) == (int) s3_FAIL))
3418 return;
3419
3420 if (*str == '[')
3421 {
3422
3423 str++;
3424 s3_skip_whitespace (str);
3425
3426 if ((conflict_reg = s3_reglow_required_here (&str, 5)) == (int) s3_FAIL)
3427 return;
3428 if (conflict_reg&0x8)
3429 {
3430 sprintf (s3_err_msg, _("invalid register number: %d is not in [r0--r7]"),conflict_reg);
3431 s3_inst.error=s3_err_msg;
3432 return ;
3433 }
3434
3435 s3_skip_whitespace (str);
3436 temp = str + 1; /* The latter will process decimal/hex expression. */
3437 if (*str == ']')
3438 {
3439 str++;
3440 if (s3_end_of_line (str) == (int) s3_FAIL)
3441 return;
3442 }
3443 else
3444 {
3445 if (s3_skip_past_comma (&str) == (int) s3_FAIL)
3446 {
3447 s3_inst.error = _("comma is expected");
3448 return;
3449 }
3450 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL)
3451 return;
3452 s3_skip_whitespace (str);
3453 if (*str++ != ']')
3454 {
3455 s3_inst.error = _("missing ]");
3456 return;
3457 }
3458 if (s3_end_of_line (str) == (int) s3_FAIL)
3459 return;
3460 if (s3_inst.reloc.exp.X_op == O_constant)
3461 {
3462 int value;
3463 unsigned int data_type;
3464 data_type = _IMM5_RSHIFT_2;
3465 value = s3_validate_immediate (s3_inst.reloc.exp.X_add_number, data_type, 0);
3466 if (value == (int) s3_FAIL)
3467 {
3468 if (data_type < 30)
3469 sprintf (s3_err_msg,
3470 _("invalid constant: %d bit expression not in range %d..%d"),
3471 s3_score_df_range[data_type].bits,
3472 s3_score_df_range[data_type].range[0], s3_score_df_range[data_type].range[1]);
3473 s3_inst.error = s3_err_msg;
3474 return;
3475 }
3476 if (value &0x3)
3477 {
3478 sprintf (s3_err_msg, _("invalid constant: %d is not word align integer"),value);
3479 s3_inst.error=s3_err_msg;
3480 return ;
3481 }
3482
3483 value >>=2;
3484 s3_inst.instruction |= value;
3485 }
3486 }
3487
3488 }
3489 else
3490 {
3491 sprintf (s3_err_msg, _("missing ["));
3492 s3_inst.error=s3_err_msg;
3493 return ;
3494 }
3495 }
3496
3497 static void
3498 s3_do_lw48 (char *str)
3499 {
3500 bfd_signed_vma val = 0;
3501
3502 s3_skip_whitespace (str);
3503
3504 if ((s3_reg_required_here (&str, 37, s3_REG_TYPE_SCORE) == (int) s3_FAIL)
3505 || (s3_skip_past_comma (&str) == (int) s3_FAIL))
3506 return;
3507
3508 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL
3509 || s3_end_of_line (str) == (int) s3_FAIL)
3510 {
3511 return;
3512 }
3513
3514 /* Check word align for lw48 rd, value. */
3515 if ((s3_inst.reloc.exp.X_add_symbol == NULL)
3516 && ((s3_inst.reloc.exp.X_add_number & 0x3) != 0))
3517 {
3518 s3_inst.error = _("invalid constant: 32 bit expression not word align");
3519 return;
3520 }
3521
3522 /* Check and set offset. */
3523 val = s3_inst.reloc.exp.X_add_number;
3524 if ((s3_inst.reloc.exp.X_add_symbol == NULL)
3525 && (!(val >= 0 && val <= 0xffffffffLL)))
3526 {
3527 s3_inst.error = _("invalid constant: 32 bit expression not in range [0, 0xffffffff]");
3528 return;
3529 }
3530
3531 val &= 0xffffffff;
3532 val >>= 2;
3533 s3_inst.instruction |= (val << 7);
3534
3535 /* Set reloc type. */
3536 s3_inst.reloc.type = BFD_RELOC_SCORE_IMM30;
3537
3538 }
3539
3540 static void
3541 s3_do_sw48 (char *str)
3542 {
3543 bfd_signed_vma val = 0;
3544
3545 s3_skip_whitespace (str);
3546
3547 if ((s3_reg_required_here (&str, 37, s3_REG_TYPE_SCORE) == (int) s3_FAIL)
3548 || (s3_skip_past_comma (&str) == (int) s3_FAIL))
3549 return;
3550
3551 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL
3552 || s3_end_of_line (str) == (int) s3_FAIL)
3553 {
3554 return;
3555 }
3556
3557 /* Check word align for lw48 rd, value. */
3558 if ((s3_inst.reloc.exp.X_add_symbol == NULL)
3559 && ((s3_inst.reloc.exp.X_add_number & 0x3) != 0))
3560 {
3561 s3_inst.error = _("invalid constant: 32 bit expression not word align");
3562 return;
3563 }
3564
3565 /* Check and set offset. */
3566 val = s3_inst.reloc.exp.X_add_number;
3567 if ((s3_inst.reloc.exp.X_add_symbol == NULL)
3568 && (!(val >= 0 && val <= 0xffffffffLL)))
3569 {
3570 s3_inst.error = _("invalid constant: 32 bit expression not in range [0, 0xffffffff]");
3571 return;
3572 }
3573
3574 val &= 0xffffffff;
3575 val >>= 2;
3576 s3_inst.instruction |= (val << 7);
3577
3578 /* Set reloc type. */
3579 s3_inst.reloc.type = BFD_RELOC_SCORE_IMM30;
3580 }
3581
3582 static void
3583 s3_do_ldi48 (char *str)
3584 {
3585 bfd_signed_vma val;
3586
3587 s3_skip_whitespace (str);
3588
3589 if (s3_reg_required_here (&str, 37, s3_REG_TYPE_SCORE) == (int) s3_FAIL
3590 || s3_skip_past_comma (&str) == (int) s3_FAIL)
3591 return;
3592
3593 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL
3594 || s3_end_of_line (str) == (int) s3_FAIL)
3595 {
3596 return;
3597 }
3598
3599 /* Check and set offset. */
3600 val = s3_inst.reloc.exp.X_add_number;
3601 if (!(val >= -0xffffffffLL && val <= 0xffffffffLL))
3602 {
3603 s3_inst.error = _("invalid constant: 32 bit expression not in range [-0x80000000, 0x7fffffff]");
3604 return;
3605 }
3606
3607 val &= 0xffffffff;
3608 s3_inst.instruction |= (val << 5);
3609
3610 /* Set reloc type. */
3611 s3_inst.reloc.type = BFD_RELOC_SCORE_IMM32;
3612 }
3613
3614 static void
3615 s3_do_sdbbp48 (char *str)
3616 {
3617 s3_skip_whitespace (str);
3618
3619 if (s3_data_op2 (&str, 5, _IMM5) == (int) s3_FAIL || s3_end_of_line (str) == (int) s3_FAIL)
3620 return;
3621 }
3622
3623 static void
3624 s3_do_and48 (char *str)
3625 {
3626 s3_skip_whitespace (str);
3627
3628 if (s3_reglow_required_here (&str, 38) == (int) s3_FAIL
3629 || s3_skip_past_comma (&str) == (int) s3_FAIL
3630 || s3_reglow_required_here (&str, 34) == (int) s3_FAIL
3631 || s3_skip_past_comma (&str) == (int) s3_FAIL
3632 || s3_data_op2 (&str, 2, _IMM32) == (int) s3_FAIL
3633 || s3_end_of_line (str) == (int) s3_FAIL)
3634 return;
3635 }
3636
3637 static void
3638 s3_do_or48 (char *str)
3639 {
3640 s3_skip_whitespace (str);
3641
3642 if (s3_reglow_required_here (&str, 38) == (int) s3_FAIL
3643 || s3_skip_past_comma (&str) == (int) s3_FAIL
3644 || s3_reglow_required_here (&str, 34) == (int) s3_FAIL
3645 || s3_skip_past_comma (&str) == (int) s3_FAIL
3646 || s3_data_op2 (&str, 2, _IMM32) == (int) s3_FAIL
3647 || s3_end_of_line (str) == (int) s3_FAIL)
3648 return;
3649 }
3650
3651 static void
3652 s3_do_mbitclr (char *str)
3653 {
3654 int val;
3655 s3_skip_whitespace (str);
3656
3657 if (*str != '[')
3658 {
3659 sprintf (s3_err_msg, _("missing ["));
3660 s3_inst.error=s3_err_msg;
3661 return;
3662 }
3663 str++;
3664
3665 s3_inst.instruction &= 0x0;
3666
3667 if ((s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL)
3668 || (s3_skip_past_comma (&str) == (int) s3_FAIL)
3669 || (s3_data_op2 (&str, 0, _IMM11) == (int) s3_FAIL))
3670 return;
3671
3672 /* Get imm11 and refill opcode. */
3673 val = s3_inst.instruction & 0x7ff;
3674 val >>= 2;
3675 s3_inst.instruction &= 0x000f8000;
3676 s3_inst.instruction |= 0x00000064;
3677
3678 if (*str != ']')
3679 {
3680 sprintf (s3_err_msg, _("missing ]"));
3681 s3_inst.error=s3_err_msg;
3682 return;
3683 }
3684 str++;
3685
3686 if ((s3_skip_past_comma (&str) == (int) s3_FAIL)
3687 || (s3_data_op2 (&str, 10, _IMM5) == (int) s3_FAIL))
3688 return;
3689
3690 /* Set imm11 to opcode. */
3691 s3_inst.instruction |= (val & 0x1)
3692 | (((val >> 1 ) & 0x7) << 7)
3693 | (((val >> 4 ) & 0x1f) << 20);
3694 }
3695
3696 static void
3697 s3_do_mbitset (char *str)
3698 {
3699 int val;
3700 s3_skip_whitespace (str);
3701
3702 if (*str != '[')
3703 {
3704 sprintf (s3_err_msg, _("missing ["));
3705 s3_inst.error=s3_err_msg;
3706 return;
3707 }
3708 str++;
3709
3710 s3_inst.instruction &= 0x0;
3711
3712 if ((s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL)
3713 || (s3_skip_past_comma (&str) == (int) s3_FAIL)
3714 || (s3_data_op2 (&str, 0, _IMM11) == (int) s3_FAIL))
3715 return;
3716
3717 /* Get imm11 and refill opcode. */
3718 val = s3_inst.instruction & 0x7ff;
3719 val >>= 2;
3720 s3_inst.instruction &= 0x000f8000;
3721 s3_inst.instruction |= 0x0000006c;
3722
3723 if (*str != ']')
3724 {
3725 sprintf (s3_err_msg, _("missing ]"));
3726 s3_inst.error=s3_err_msg;
3727 return;
3728 }
3729 str++;
3730
3731 if ((s3_skip_past_comma (&str) == (int) s3_FAIL)
3732 || (s3_data_op2 (&str, 10, _IMM5) == (int) s3_FAIL))
3733 return;
3734
3735 /* Set imm11 to opcode. */
3736 s3_inst.instruction |= (val & 0x1)
3737 | (((val >> 1 ) & 0x7) << 7)
3738 | (((val >> 4 ) & 0x1f) << 20);
3739 }
3740
3741 static void
3742 s3_do16_slli_srli (char *str)
3743 {
3744 s3_skip_whitespace (str);
3745
3746 if ((s3_reglow_required_here (&str, 5) == (int) s3_FAIL)
3747 || (s3_skip_past_comma (&str) == (int) s3_FAIL)
3748 || s3_data_op2 (&str, 0, _IMM5) == (int) s3_FAIL
3749 || s3_end_of_line (str) == (int) s3_FAIL)
3750 return;
3751 }
3752
3753 static void
3754 s3_do16_ldiu (char *str)
3755 {
3756 s3_skip_whitespace (str);
3757
3758 if ((s3_reg_required_here (&str, 5,s3_REG_TYPE_SCORE) == (int) s3_FAIL)
3759 || (s3_skip_past_comma (&str) == (int) s3_FAIL)
3760 || s3_data_op2 (&str, 0, _IMM5) == (int) s3_FAIL
3761 || s3_end_of_line (str) == (int) s3_FAIL)
3762 return;
3763 }
3764
3765 static void
3766 s3_do16_push_pop (char *str)
3767 {
3768 s3_skip_whitespace (str);
3769 if ((s3_reg_required_here (&str, 0, s3_REG_TYPE_SCORE)) == (int) s3_FAIL
3770 || s3_end_of_line (str) == (int) s3_FAIL)
3771 return;
3772 }
3773
3774 static void
3775 s3_do16_rpush (char *str)
3776 {
3777 int reg;
3778 int val;
3779 s3_skip_whitespace (str);
3780 if ((reg = (s3_reg_required_here (&str, 5, s3_REG_TYPE_SCORE))) == (int) s3_FAIL
3781 || s3_skip_past_comma (&str) == (int) s3_FAIL
3782 || s3_data_op2 (&str, 0, _IMM5_MULTI_LOAD) == (int) s3_FAIL
3783 || s3_end_of_line (str) == (int) s3_FAIL)
3784 return;
3785
3786 /* 0: indicate 32.
3787 1: invalide value.
3788 2: to 31: normal value. */
3789 val = s3_inst.instruction & 0x1f;
3790 if (val == 1)
3791 {
3792 s3_inst.error = _("imm5 should >= 2");
3793 return;
3794 }
3795 if (reg >= 32)
3796 {
3797 s3_inst.error = _("reg should <= 31");
3798 return;
3799 }
3800 }
3801
3802 static void
3803 s3_do16_rpop (char *str)
3804 {
3805 int reg;
3806 int val;
3807 s3_skip_whitespace (str);
3808 if ((reg = (s3_reg_required_here (&str, 5, s3_REG_TYPE_SCORE))) == (int) s3_FAIL
3809 || s3_skip_past_comma (&str) == (int) s3_FAIL
3810 || s3_data_op2 (&str, 0, _IMM5_MULTI_LOAD) == (int) s3_FAIL
3811 || s3_end_of_line (str) == (int) s3_FAIL)
3812 return;
3813
3814 /* 0: indicate 32.
3815 1: invalide value.
3816 2: to 31: normal value. */
3817 val = s3_inst.instruction & 0x1f;
3818 if (val == 1)
3819 {
3820 s3_inst.error = _("imm5 should >= 2");
3821 return;
3822 }
3823
3824 if (reg >= 32)
3825 {
3826 s3_inst.error = _("reg should <= 31");
3827 return;
3828 }
3829 else
3830 {
3831 if ((reg + val) <= 32)
3832 reg = reg + val - 1;
3833 else
3834 reg = reg + val - 33;
3835 s3_inst.instruction &= 0x7c1f;
3836 s3_inst.instruction |= (reg << 5);
3837 return;
3838 }
3839 }
3840
3841 /* Handle lcb/lcw/lce/scb/scw/sce. */
3842 static void
3843 s3_do_ldst_unalign (char *str)
3844 {
3845 int conflict_reg;
3846
3847 if (s3_university_version == 1)
3848 {
3849 s3_inst.error = s3_ERR_FOR_SCORE5U_ATOMIC;
3850 return;
3851 }
3852
3853 s3_skip_whitespace (str);
3854
3855 /* lcb/scb [rA]+. */
3856 if (*str == '[')
3857 {
3858 str++;
3859 s3_skip_whitespace (str);
3860
3861 if (s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL)
3862 return;
3863
3864 if (*str++ == ']')
3865 {
3866 if (*str++ != '+')
3867 {
3868 s3_inst.error = _("missing +");
3869 return;
3870 }
3871 }
3872 else
3873 {
3874 s3_inst.error = _("missing ]");
3875 return;
3876 }
3877
3878 if (s3_end_of_line (str) == (int) s3_FAIL)
3879 return;
3880 }
3881 /* lcw/lce/scb/sce rD, [rA]+. */
3882 else
3883 {
3884 if (((conflict_reg = s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
3885 || (s3_skip_past_comma (&str) == (int) s3_FAIL))
3886 {
3887 return;
3888 }
3889
3890 s3_skip_whitespace (str);
3891 if (*str++ == '[')
3892 {
3893 int reg;
3894
3895 s3_skip_whitespace (str);
3896 if ((reg = s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
3897 {
3898 return;
3899 }
3900
3901 /* Conflicts can occur on stores as well as loads. */
3902 conflict_reg = (conflict_reg == reg);
3903 s3_skip_whitespace (str);
3904 if (*str++ == ']')
3905 {
3906 unsigned int ldst_func = s3_inst.instruction & LDST_UNALIGN_MASK;
3907
3908 if (*str++ == '+')
3909 {
3910 if (conflict_reg)
3911 {
3912 as_warn (_("%s register same as write-back base"),
3913 ((ldst_func & UA_LCE) || (ldst_func & UA_LCW)
3914 ? _("destination") : _("source")));
3915 }
3916 }
3917 else
3918 {
3919 s3_inst.error = _("missing +");
3920 return;
3921 }
3922
3923 if (s3_end_of_line (str) == (int) s3_FAIL)
3924 return;
3925 }
3926 else
3927 {
3928 s3_inst.error = _("missing ]");
3929 return;
3930 }
3931 }
3932 else
3933 {
3934 s3_inst.error = s3_BAD_ARGS;
3935 return;
3936 }
3937 }
3938 }
3939
3940 /* Handle alw/asw. */
3941 static void
3942 s3_do_ldst_atomic (char *str)
3943 {
3944 if (s3_university_version == 1)
3945 {
3946 s3_inst.error = s3_ERR_FOR_SCORE5U_ATOMIC;
3947 return;
3948 }
3949
3950 s3_skip_whitespace (str);
3951
3952 if ((s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL)
3953 || (s3_skip_past_comma (&str) == (int) s3_FAIL))
3954 {
3955 return;
3956 }
3957 else
3958 {
3959
3960 s3_skip_whitespace (str);
3961 if (*str++ == '[')
3962 {
3963 int reg;
3964
3965 s3_skip_whitespace (str);
3966 if ((reg = s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
3967 {
3968 return;
3969 }
3970
3971 s3_skip_whitespace (str);
3972 if (*str++ != ']')
3973 {
3974 s3_inst.error = _("missing ]");
3975 return;
3976 }
3977
3978 s3_end_of_line (str);
3979 }
3980 else
3981 s3_inst.error = s3_BAD_ARGS;
3982 }
3983 }
3984
3985 static void
3986 s3_build_relax_frag (struct s3_score_it fix_insts[s3_RELAX_INST_NUM], int fix_num ATTRIBUTE_UNUSED,
3987 struct s3_score_it var_insts[s3_RELAX_INST_NUM], int var_num,
3988 symbolS *add_symbol)
3989 {
3990 int i;
3991 char *p;
3992 fixS *fixp = NULL;
3993 fixS *cur_fixp = NULL;
3994 long where;
3995 struct s3_score_it inst_main;
3996
3997 memcpy (&inst_main, &fix_insts[0], sizeof (struct s3_score_it));
3998
3999 /* Adjust instruction opcode and to be relaxed instruction opcode. */
4000 inst_main.instruction = s3_adjust_paritybit (inst_main.instruction, s3_GET_INSN_CLASS (inst_main.type));
4001 inst_main.type = Insn_PIC;
4002
4003 for (i = 0; i < var_num; i++)
4004 {
4005 inst_main.relax_size += var_insts[i].size;
4006 var_insts[i].instruction = s3_adjust_paritybit (var_insts[i].instruction,
4007 s3_GET_INSN_CLASS (var_insts[i].type));
4008 }
4009
4010 /* Check data dependency. */
4011 s3_handle_dependency (&inst_main);
4012
4013 /* Start a new frag if frag_now is not empty. */
4014 if (frag_now_fix () != 0)
4015 {
4016 if (!frag_now->tc_frag_data.is_insn)
4017 {
4018 frag_wane (frag_now);
4019 }
4020 frag_new (0);
4021 }
4022 frag_grow (20);
4023
4024 /* Write fr_fix part. */
4025 p = frag_more (inst_main.size);
4026 s3_md_number_to_chars (p, inst_main.instruction, inst_main.size);
4027
4028 if (inst_main.reloc.type != BFD_RELOC_NONE)
4029 fixp = s3_fix_new_score (frag_now, p - frag_now->fr_literal, inst_main.size,
4030 &inst_main.reloc.exp, inst_main.reloc.pc_rel, inst_main.reloc.type);
4031
4032 frag_now->tc_frag_data.fixp = fixp;
4033 cur_fixp = frag_now->tc_frag_data.fixp;
4034
4035 #ifdef OBJ_ELF
4036 dwarf2_emit_insn (inst_main.size);
4037 #endif
4038
4039 where = p - frag_now->fr_literal + inst_main.size;
4040 for (i = 0; i < var_num; i++)
4041 {
4042 if (i > 0)
4043 where += var_insts[i - 1].size;
4044
4045 if (var_insts[i].reloc.type != BFD_RELOC_NONE)
4046 {
4047 fixp = s3_fix_new_score (frag_now, where, var_insts[i].size,
4048 &var_insts[i].reloc.exp, var_insts[i].reloc.pc_rel,
4049 var_insts[i].reloc.type);
4050 if (fixp)
4051 {
4052 if (cur_fixp)
4053 {
4054 cur_fixp->fx_next = fixp;
4055 cur_fixp = cur_fixp->fx_next;
4056 }
4057 else
4058 {
4059 frag_now->tc_frag_data.fixp = fixp;
4060 cur_fixp = frag_now->tc_frag_data.fixp;
4061 }
4062 }
4063 }
4064 }
4065
4066 p = frag_var (rs_machine_dependent, inst_main.relax_size + s3_RELAX_PAD_BYTE, 0,
4067 s3_RELAX_ENCODE (inst_main.size, inst_main.relax_size, inst_main.type,
4068 0, inst_main.size, 0), add_symbol, 0, NULL);
4069
4070 /* Write fr_var part.
4071 no calling s3_gen_insn_frag, no fixS will be generated. */
4072 for (i = 0; i < var_num; i++)
4073 {
4074 s3_md_number_to_chars (p, var_insts[i].instruction, var_insts[i].size);
4075 p += var_insts[i].size;
4076 }
4077 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4078 s3_inst.bwarn = -1;
4079 }
4080
4081 /* Build a relax frag for la instruction when generating s3_PIC,
4082 external symbol first and local symbol second. */
4083 static void
4084 s3_build_la_pic (int reg_rd, expressionS exp)
4085 {
4086 symbolS *add_symbol = exp.X_add_symbol;
4087 offsetT add_number = exp.X_add_number;
4088 struct s3_score_it fix_insts[s3_RELAX_INST_NUM];
4089 struct s3_score_it var_insts[s3_RELAX_INST_NUM];
4090 int fix_num = 0;
4091 int var_num = 0;
4092 char tmp[s3_MAX_LITERAL_POOL_SIZE];
4093 int r1_bak;
4094
4095 r1_bak = s3_nor1;
4096 s3_nor1 = 0;
4097
4098 if (add_number == 0)
4099 {
4100 fix_num = 1;
4101 var_num = 2;
4102
4103 /* For an external symbol, only one insn is generated;
4104 For a local symbol, two insns are generated. */
4105 /* Fix part
4106 For an external symbol: lw rD, <sym>($gp)
4107 (BFD_RELOC_SCORE_GOT15 or BFD_RELOC_SCORE_CALL15) */
4108 sprintf (tmp, "lw_pic r%d, %s", reg_rd, add_symbol->bsym->name);
4109 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4110 return;
4111
4112 if (reg_rd == s3_PIC_CALL_REG)
4113 s3_inst.reloc.type = BFD_RELOC_SCORE_CALL15;
4114 memcpy (&fix_insts[0], &s3_inst, sizeof (struct s3_score_it));
4115
4116 /* Var part
4117 For a local symbol :
4118 lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15)
4119 addi rD, <sym> (BFD_RELOC_GOT_LO16) */
4120 s3_inst.reloc.type = BFD_RELOC_SCORE_GOT15;
4121 memcpy (&var_insts[0], &s3_inst, sizeof (struct s3_score_it));
4122 sprintf (tmp, "addi_s_pic r%d, %s", reg_rd, add_symbol->bsym->name);
4123 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4124 return;
4125
4126 memcpy (&var_insts[1], &s3_inst, sizeof (struct s3_score_it));
4127 s3_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol);
4128 }
4129 else if (add_number >= -0x8000 && add_number <= 0x7fff)
4130 {
4131 /* Insn 1: lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15) */
4132 sprintf (tmp, "lw_pic r%d, %s", reg_rd, add_symbol->bsym->name);
4133 if (s3_append_insn (tmp, TRUE) == (int) s3_FAIL)
4134 return;
4135
4136 /* Insn 2 */
4137 fix_num = 1;
4138 var_num = 1;
4139 /* Fix part
4140 For an external symbol: addi rD, <constant> */
4141 sprintf (tmp, "addi r%d, %d", reg_rd, (int)add_number);
4142 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4143 return;
4144
4145 memcpy (&fix_insts[0], &s3_inst, sizeof (struct s3_score_it));
4146
4147 /* Var part
4148 For a local symbol: addi rD, <sym>+<constant> (BFD_RELOC_GOT_LO16) */
4149 sprintf (tmp, "addi_s_pic r%d, %s + %d", reg_rd, add_symbol->bsym->name, (int)add_number);
4150 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4151 return;
4152
4153 memcpy (&var_insts[0], &s3_inst, sizeof (struct s3_score_it));
4154 s3_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol);
4155 }
4156 else
4157 {
4158 int hi = (add_number >> 16) & 0x0000FFFF;
4159 int lo = add_number & 0x0000FFFF;
4160
4161 /* Insn 1: lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15) */
4162 sprintf (tmp, "lw_pic r%d, %s", reg_rd, add_symbol->bsym->name);
4163 if (s3_append_insn (tmp, TRUE) == (int) s3_FAIL)
4164 return;
4165
4166 /* Insn 2 */
4167 fix_num = 1;
4168 var_num = 1;
4169 /* Fix part
4170 For an external symbol: ldis r1, HI%<constant> */
4171 sprintf (tmp, "ldis r1, %d", hi);
4172 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4173 return;
4174
4175 memcpy (&fix_insts[0], &s3_inst, sizeof (struct s3_score_it));
4176
4177 /* Var part
4178 For a local symbol: ldis r1, HI%<constant>
4179 but, if lo is outof 16 bit, make hi plus 1 */
4180 if ((lo < -0x8000) || (lo > 0x7fff))
4181 {
4182 hi += 1;
4183 }
4184 sprintf (tmp, "ldis_pic r1, %d", hi);
4185 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4186 return;
4187
4188 memcpy (&var_insts[0], &s3_inst, sizeof (struct s3_score_it));
4189 s3_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol);
4190
4191 /* Insn 3 */
4192 fix_num = 1;
4193 var_num = 1;
4194 /* Fix part
4195 For an external symbol: ori r1, LO%<constant> */
4196 sprintf (tmp, "ori r1, %d", lo);
4197 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4198 return;
4199
4200 memcpy (&fix_insts[0], &s3_inst, sizeof (struct s3_score_it));
4201
4202 /* Var part
4203 For a local symbol: addi r1, <sym>+LO%<constant> (BFD_RELOC_GOT_LO16) */
4204 sprintf (tmp, "addi_u_pic r1, %s + %d", add_symbol->bsym->name, lo);
4205 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4206 return;
4207
4208 memcpy (&var_insts[0], &s3_inst, sizeof (struct s3_score_it));
4209 s3_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol);
4210
4211 /* Insn 4: add rD, rD, r1 */
4212 sprintf (tmp, "add r%d, r%d, r1", reg_rd, reg_rd);
4213 if (s3_append_insn (tmp, TRUE) == (int) s3_FAIL)
4214 return;
4215
4216 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4217 s3_inst.bwarn = -1;
4218 }
4219
4220 s3_nor1 = r1_bak;
4221 }
4222
4223 /* Handle la. */
4224 static void
4225 s3_do_macro_la_rdi32 (char *str)
4226 {
4227 int reg_rd;
4228
4229 s3_skip_whitespace (str);
4230 if ((reg_rd = s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE)) == (int) s3_FAIL
4231 || s3_skip_past_comma (&str) == (int) s3_FAIL)
4232 {
4233 return;
4234 }
4235 else
4236 {
4237 /* Save str. */
4238 char *keep_data = str;
4239 char append_str[s3_MAX_LITERAL_POOL_SIZE];
4240
4241 /* Check immediate value. */
4242 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL)
4243 {
4244 s3_inst.error = _("expression error");
4245 return;
4246 }
4247 else if ((s3_inst.reloc.exp.X_add_symbol == NULL)
4248 && (s3_validate_immediate (s3_inst.reloc.exp.X_add_number, _IMM32, 0) == (int) s3_FAIL))
4249 {
4250 s3_inst.error = _("value not in range [0, 0xffffffff]");
4251 return;
4252 }
4253
4254 /* Reset str. */
4255 str = keep_data;
4256
4257 /* la rd, simm16. */
4258 if (s3_data_op2 (&str, 1, _SIMM16_LA) != (int) s3_FAIL)
4259 {
4260 s3_end_of_line (str);
4261 return;
4262 }
4263 /* la rd, imm32 or la rd, label. */
4264 else
4265 {
4266 s3_SET_INSN_ERROR (NULL);
4267 /* Reset str. */
4268 str = keep_data;
4269 if ((s3_data_op2 (&str, 1, _VALUE_HI16) == (int) s3_FAIL)
4270 || (s3_end_of_line (str) == (int) s3_FAIL))
4271 {
4272 return;
4273 }
4274 else
4275 {
4276 if ((s3_score_pic == s3_NO_PIC) || (!s3_inst.reloc.exp.X_add_symbol))
4277 {
4278 sprintf (append_str, "ld_i32hi r%d, %s", reg_rd, keep_data);
4279 if (s3_append_insn (append_str, TRUE) == (int) s3_FAIL)
4280 return;
4281
4282 sprintf (append_str, "ld_i32lo r%d, %s", reg_rd, keep_data);
4283 if (s3_append_insn (append_str, TRUE) == (int) s3_FAIL)
4284 return;
4285 }
4286 else
4287 {
4288 gas_assert (s3_inst.reloc.exp.X_add_symbol);
4289 s3_build_la_pic (reg_rd, s3_inst.reloc.exp);
4290 }
4291
4292 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4293 s3_inst.bwarn = -1;
4294 }
4295 }
4296 }
4297 }
4298
4299 /* Handle li. */
4300 static void
4301 s3_do_macro_li_rdi32 (char *str)
4302 {
4303
4304 int reg_rd;
4305
4306 s3_skip_whitespace (str);
4307 if ((reg_rd = s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE)) == (int) s3_FAIL
4308 || s3_skip_past_comma (&str) == (int) s3_FAIL)
4309 {
4310 return;
4311 }
4312 else
4313 {
4314 /* Save str. */
4315 char *keep_data = str;
4316
4317 /* Check immediate value. */
4318 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL)
4319 {
4320 s3_inst.error = _("expression error");
4321 return;
4322 }
4323 else if (!(s3_inst.reloc.exp.X_add_number >= -0xffffffffLL
4324 && s3_inst.reloc.exp.X_add_number <= 0xffffffffLL))
4325 {
4326 s3_inst.error = _("value not in range [-0xffffffff, 0xffffffff]");
4327 return;
4328 }
4329
4330 /* Reset str. */
4331 str = keep_data;
4332
4333 /* li rd, simm16. */
4334 if (s3_data_op2 (&str, 1, _SIMM16_LA) != (int) s3_FAIL)
4335 {
4336 s3_end_of_line (str);
4337 return;
4338 }
4339 /* li rd, imm32. */
4340 else
4341 {
4342 char append_str[s3_MAX_LITERAL_POOL_SIZE];
4343
4344 /* Reset str. */
4345 str = keep_data;
4346
4347 if ((s3_data_op2 (&str, 1, _VALUE_HI16) == (int) s3_FAIL)
4348 || (s3_end_of_line (str) == (int) s3_FAIL))
4349 {
4350 return;
4351 }
4352 else if (s3_inst.reloc.exp.X_add_symbol)
4353 {
4354 s3_inst.error = _("li rd label isn't correct instruction form");
4355 return;
4356 }
4357 else
4358 {
4359 sprintf (append_str, "ld_i32hi r%d, %s", reg_rd, keep_data);
4360
4361 if (s3_append_insn (append_str, TRUE) == (int) s3_FAIL)
4362 return;
4363 else
4364 {
4365 sprintf (append_str, "ld_i32lo r%d, %s", reg_rd, keep_data);
4366 if (s3_append_insn (append_str, TRUE) == (int) s3_FAIL)
4367 return;
4368
4369 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4370 s3_inst.bwarn = -1;
4371 }
4372 }
4373 }
4374 }
4375 }
4376
4377 /* Handle mul/mulu/div/divu/rem/remu. */
4378 static void
4379 s3_do_macro_mul_rdrsrs (char *str)
4380 {
4381 int reg_rd;
4382 int reg_rs1;
4383 int reg_rs2;
4384 char *backupstr;
4385 char append_str[s3_MAX_LITERAL_POOL_SIZE];
4386
4387 if (s3_university_version == 1)
4388 as_warn ("%s", s3_ERR_FOR_SCORE5U_MUL_DIV);
4389
4390 strcpy (append_str, str);
4391 backupstr = append_str;
4392 s3_skip_whitespace (backupstr);
4393 if (((reg_rd = s3_reg_required_here (&backupstr, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
4394 || (s3_skip_past_comma (&backupstr) == (int) s3_FAIL)
4395 || ((reg_rs1 = s3_reg_required_here (&backupstr, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL))
4396 {
4397 s3_inst.error = s3_BAD_ARGS;
4398 return;
4399 }
4400
4401 if (s3_skip_past_comma (&backupstr) == (int) s3_FAIL)
4402 {
4403 /* rem/remu rA, rB is error format. */
4404 if (strcmp (s3_inst.name, "rem") == 0 || strcmp (s3_inst.name, "remu") == 0)
4405 {
4406 s3_SET_INSN_ERROR (s3_BAD_ARGS);
4407 }
4408 else
4409 {
4410 s3_SET_INSN_ERROR (NULL);
4411 s3_do_rsrs (str);
4412 }
4413 return;
4414 }
4415 else
4416 {
4417 s3_SET_INSN_ERROR (NULL);
4418 if (((reg_rs2 = s3_reg_required_here (&backupstr, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
4419 || (s3_end_of_line (backupstr) == (int) s3_FAIL))
4420 {
4421 return;
4422 }
4423 else
4424 {
4425 char append_str1[s3_MAX_LITERAL_POOL_SIZE];
4426
4427 if (strcmp (s3_inst.name, "rem") == 0)
4428 {
4429 sprintf (append_str, "mul r%d, r%d", reg_rs1, reg_rs2);
4430 sprintf (append_str1, "mfceh r%d", reg_rd);
4431 }
4432 else if (strcmp (s3_inst.name, "remu") == 0)
4433 {
4434 sprintf (append_str, "mulu r%d, r%d", reg_rs1, reg_rs2);
4435 sprintf (append_str1, "mfceh r%d", reg_rd);
4436 }
4437 else
4438 {
4439 sprintf (append_str, "%s r%d, r%d", s3_inst.name, reg_rs1, reg_rs2);
4440 sprintf (append_str1, "mfcel r%d", reg_rd);
4441 }
4442
4443 /* Output mul/mulu or div/divu or rem/remu. */
4444 if (s3_append_insn (append_str, TRUE) == (int) s3_FAIL)
4445 return;
4446
4447 /* Output mfcel or mfceh. */
4448 if (s3_append_insn (append_str1, TRUE) == (int) s3_FAIL)
4449 return;
4450
4451 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4452 s3_inst.bwarn = -1;
4453 }
4454 }
4455 }
4456
4457 static void
4458 s3_exp_macro_ldst_abs (char *str)
4459 {
4460 int reg_rd;
4461 char *backupstr, *tmp;
4462 char append_str[s3_MAX_LITERAL_POOL_SIZE];
4463 char verifystr[s3_MAX_LITERAL_POOL_SIZE];
4464 struct s3_score_it inst_backup;
4465 int r1_bak = 0;
4466
4467 r1_bak = s3_nor1;
4468 s3_nor1 = 0;
4469 memcpy (&inst_backup, &s3_inst, sizeof (struct s3_score_it));
4470
4471 strcpy (verifystr, str);
4472 backupstr = verifystr;
4473 s3_skip_whitespace (backupstr);
4474 if ((reg_rd = s3_reg_required_here (&backupstr, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
4475 return;
4476
4477 tmp = backupstr;
4478 if (s3_skip_past_comma (&backupstr) == (int) s3_FAIL)
4479 return;
4480
4481 backupstr = tmp;
4482 sprintf (append_str, "li r1 %s", backupstr);
4483 s3_append_insn (append_str, TRUE);
4484
4485 memcpy (&s3_inst, &inst_backup, sizeof (struct s3_score_it));
4486 sprintf (append_str, " r%d, [r1,0]", reg_rd);
4487 s3_do_ldst_insn (append_str);
4488
4489 s3_nor1 = r1_bak;
4490 }
4491 /* Handle bcmpeq / bcmpne */
4492 static void
4493 s3_do_macro_bcmp (char *str)
4494 {
4495 int reg_a , reg_b;
4496 char keep_data[s3_MAX_LITERAL_POOL_SIZE];
4497 char* ptemp;
4498 int i=0;
4499 struct s3_score_it inst_expand[2];
4500 struct s3_score_it inst_main;
4501
4502
4503 s3_skip_whitespace (str);
4504 if (( reg_a = s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE)) == (int) s3_FAIL
4505 || s3_skip_past_comma (&str) == (int) s3_FAIL
4506 ||(reg_b = s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE)) == (int) s3_FAIL
4507 || s3_skip_past_comma (&str) == (int) s3_FAIL)
4508 return;
4509 ptemp =str;
4510 while(*ptemp!=0)
4511 {
4512 keep_data[i]=*ptemp;
4513 i++;
4514 ptemp++;
4515 }
4516 keep_data[i]=0;
4517 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL
4518 ||reg_b ==0
4519 || s3_end_of_line (str) == (int) s3_FAIL)
4520 return ;
4521 else if (s3_inst.reloc.exp.X_add_symbol == 0)
4522 {
4523 s3_inst.error = _("lacking label ");
4524 return;
4525 }
4526 else
4527 {
4528 char append_str[s3_MAX_LITERAL_POOL_SIZE];
4529 s3_SET_INSN_ERROR (NULL);
4530
4531 s3_inst.reloc.type = BFD_RELOC_SCORE_BCMP;
4532 s3_inst.reloc.pc_rel = 1;
4533 bfd_signed_vma val = s3_inst.reloc.exp.X_add_number;
4534
4535 /* Branch 32 offset field : 20 bit, 16 bit branch offset field : 8 bit. */
4536 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;
4537
4538 /* Check and set offset. */
4539 if (((val & 0xfffffe00) != 0)
4540 && ((val & 0xfffffe00) != 0xfffffe00))
4541 {
4542 /* support bcmp --> cmp!+beq (bne) */
4543 if (s3_score_pic == s3_NO_PIC)
4544 {
4545 sprintf (&append_str[0], "cmp! r%d, r%d", reg_a, reg_b);
4546 if (s3_append_insn (&append_str[0], TRUE) == (int) s3_FAIL)
4547 return;
4548 if ((inst_main.instruction & 0x3e00007e) == 0x0000004c)
4549 sprintf (&append_str[1], "beq %s", keep_data);
4550 else
4551 sprintf (&append_str[1], "bne %s", keep_data);
4552 if (s3_append_insn (&append_str[1], TRUE) == (int) s3_FAIL)
4553 return;
4554 }
4555 else
4556 {
4557 gas_assert (s3_inst.reloc.exp.X_add_symbol);
4558 }
4559 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4560 s3_inst.bwarn = -1;
4561 return;
4562 }
4563 else
4564 {
4565 val >>= 1;
4566 s3_inst.instruction |= (val & 0x1)
4567 | (((val >> 1) & 0x7) << 7)
4568 | (((val >> 4) & 0x1f) << 20);
4569 }
4570
4571 /* Backup s3_inst. */
4572 memcpy (&inst_main, &s3_inst, sizeof (struct s3_score_it));
4573
4574 if (s3_score_pic == s3_NO_PIC)
4575 {
4576 sprintf (&append_str[0], "cmp! r%d, r%d", reg_a, reg_b);
4577 if (s3_append_insn (&append_str[0], FALSE) == (int) s3_FAIL)
4578 return;
4579 memcpy (&inst_expand[0], &s3_inst, sizeof (struct s3_score_it));
4580
4581 if ((inst_main.instruction & 0x3e00007e) == 0x0000004c)
4582 sprintf (&append_str[1], "beq %s", keep_data);
4583 else
4584 sprintf (&append_str[1], "bne %s", keep_data);
4585 if (s3_append_insn (&append_str[1], FALSE) == (int) s3_FAIL)
4586 return;
4587 memcpy (&inst_expand[1], &s3_inst, sizeof (struct s3_score_it));
4588 }
4589 else
4590 {
4591 gas_assert (s3_inst.reloc.exp.X_add_symbol);
4592 }
4593 inst_main.relax_size = inst_expand[0].size + inst_expand[1].size;
4594 inst_main.type = Insn_BCMP;
4595
4596 /* Adjust instruction opcode and to be relaxed instruction opcode. */
4597 inst_main.instruction = s3_adjust_paritybit (inst_main.instruction, s3_GET_INSN_CLASS (inst_main.type));
4598
4599 for (i = 0; i < 2; i++)
4600 inst_expand[i].instruction = s3_adjust_paritybit (inst_expand[i].instruction,
4601 s3_GET_INSN_CLASS (inst_expand[i].type));
4602 /* Check data dependency. */
4603 s3_handle_dependency (&inst_main);
4604 /* Start a new frag if frag_now is not empty. */
4605 if (frag_now_fix () != 0)
4606 {
4607 if (!frag_now->tc_frag_data.is_insn)
4608 frag_wane (frag_now);
4609 frag_new (0);
4610 }
4611 frag_grow (20);
4612
4613 /* Write fr_fix part. */
4614 char *p;
4615 p = frag_more (inst_main.size);
4616 s3_md_number_to_chars (p, inst_main.instruction, inst_main.size);
4617
4618 if (inst_main.reloc.type != BFD_RELOC_NONE)
4619 {
4620 s3_fix_new_score (frag_now, p - frag_now->fr_literal, inst_main.size,
4621 &inst_main.reloc.exp, inst_main.reloc.pc_rel, inst_main.reloc.type);
4622 }
4623 #ifdef OBJ_ELF
4624 dwarf2_emit_insn (inst_main.size);
4625 #endif
4626
4627 /* s3_GP instruction can not do optimization, only can do relax between
4628 1 instruction and 3 instructions. */
4629 p = frag_var (rs_machine_dependent, inst_main.relax_size + s3_RELAX_PAD_BYTE, 0,
4630 s3_RELAX_ENCODE (inst_main.size, inst_main.relax_size, inst_main.type, 0, 4, 1),
4631 inst_main.reloc.exp.X_add_symbol, 0, NULL);
4632
4633 /* Write fr_var part.
4634 no calling s3_gen_insn_frag, no fixS will be generated. */
4635 s3_md_number_to_chars (p, inst_expand[0].instruction, inst_expand[0].size);
4636 p += inst_expand[0].size;
4637 s3_md_number_to_chars (p, inst_expand[1].instruction, inst_expand[1].size);
4638 p += inst_expand[1].size;
4639
4640 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4641 s3_inst.bwarn = -1;
4642 }
4643 }
4644
4645 /* Handle bcmpeqz / bcmpnez */
4646 static void
4647 s3_do_macro_bcmpz (char *str)
4648 {
4649 int reg_a ;
4650 char keep_data[s3_MAX_LITERAL_POOL_SIZE];
4651 char* ptemp;
4652 int i=0;
4653 struct s3_score_it inst_expand[2];
4654 struct s3_score_it inst_main;
4655
4656 s3_skip_whitespace (str);
4657 if (( reg_a = s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE)) == (int) s3_FAIL
4658 || s3_skip_past_comma (&str) == (int) s3_FAIL )
4659 return;
4660 ptemp =str;
4661 while(*ptemp!=0)
4662 {
4663 keep_data[i]=*ptemp;
4664 i++;
4665 ptemp++;
4666 }
4667 keep_data[i]=0;
4668 if ( s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL
4669 || s3_end_of_line (str) == (int) s3_FAIL)
4670 return ;
4671
4672 else if (s3_inst.reloc.exp.X_add_symbol == 0)
4673 {
4674 s3_inst.error = _("lacking label ");
4675 return;
4676 }
4677 else
4678 {
4679 char append_str[s3_MAX_LITERAL_POOL_SIZE];
4680 s3_SET_INSN_ERROR (NULL);
4681 s3_inst.reloc.type = BFD_RELOC_SCORE_BCMP;
4682 s3_inst.reloc.pc_rel = 1;
4683 bfd_signed_vma val = s3_inst.reloc.exp.X_add_number;
4684
4685 /* Branch 32 offset field : 20 bit, 16 bit branch offset field : 8 bit. */
4686 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;
4687
4688 /* Check and set offset. */
4689 if (((val & 0xfffffe00) != 0)
4690 && ((val & 0xfffffe00) != 0xfffffe00))
4691 {
4692 if (s3_score_pic == s3_NO_PIC)
4693 {
4694 sprintf (&append_str[0], "cmpi! r%d,0", reg_a);
4695 if (s3_append_insn (&append_str[0], TRUE) == (int) s3_FAIL)
4696 return;
4697 if ((inst_main.instruction & 0x3e00007e) == 0x0000004c)
4698 sprintf (&append_str[1], "beq %s", keep_data);
4699 else
4700 sprintf (&append_str[1], "bne %s", keep_data);
4701 if (s3_append_insn (&append_str[1], TRUE) == (int) s3_FAIL)
4702 return;
4703 }
4704 else
4705 {
4706 gas_assert (s3_inst.reloc.exp.X_add_symbol);
4707 }
4708 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4709 s3_inst.bwarn = -1;
4710 return;
4711 }
4712 else
4713 {
4714 val >>= 1;
4715 s3_inst.instruction |= (val & 0x1)
4716 | (((val >> 1) & 0x7) << 7)
4717 | (((val >> 4) & 0x1f) << 20);
4718 }
4719
4720 /* Backup s3_inst. */
4721 memcpy (&inst_main, &s3_inst, sizeof (struct s3_score_it));
4722
4723 if (s3_score_pic == s3_NO_PIC)
4724 {
4725 sprintf (&append_str[0], "cmpi! r%d, 0", reg_a);
4726 if (s3_append_insn (&append_str[0], FALSE) == (int) s3_FAIL)
4727 return;
4728 memcpy (&inst_expand[0], &s3_inst, sizeof (struct s3_score_it));
4729 if ((inst_main.instruction & 0x3e00007e) == 0x0000004c)
4730 sprintf (&append_str[1], "beq %s", keep_data);
4731 else
4732 sprintf (&append_str[1], "bne %s", keep_data);
4733 if (s3_append_insn (&append_str[1], FALSE) == (int) s3_FAIL)
4734 return;
4735 memcpy (&inst_expand[1], &s3_inst, sizeof (struct s3_score_it));
4736 }
4737 else
4738 {
4739 gas_assert (s3_inst.reloc.exp.X_add_symbol);
4740 }
4741 inst_main.relax_size = inst_expand[0].size + inst_expand[1].size;
4742 inst_main.type = Insn_BCMP;
4743
4744 /* Adjust instruction opcode and to be relaxed instruction opcode. */
4745 inst_main.instruction = s3_adjust_paritybit (inst_main.instruction, s3_GET_INSN_CLASS (inst_main.type));
4746
4747 for (i = 0; i < 2; i++)
4748 inst_expand[i].instruction = s3_adjust_paritybit (inst_expand[i].instruction , s3_GET_INSN_CLASS (inst_expand[i].type));
4749 /* Check data dependency. */
4750 s3_handle_dependency (&inst_main);
4751 /* Start a new frag if frag_now is not empty. */
4752 if (frag_now_fix () != 0)
4753 {
4754 if (!frag_now->tc_frag_data.is_insn)
4755 frag_wane (frag_now);
4756 frag_new (0);
4757 }
4758 frag_grow (20);
4759
4760 /* Write fr_fix part. */
4761 char *p;
4762 p = frag_more (inst_main.size);
4763 s3_md_number_to_chars (p, inst_main.instruction, inst_main.size);
4764
4765 if (inst_main.reloc.type != BFD_RELOC_NONE)
4766 {
4767 s3_fix_new_score (frag_now, p - frag_now->fr_literal, inst_main.size,
4768 &inst_main.reloc.exp, inst_main.reloc.pc_rel, inst_main.reloc.type);
4769 }
4770 #ifdef OBJ_ELF
4771 dwarf2_emit_insn (inst_main.size);
4772 #endif
4773
4774 /* s3_GP instruction can not do optimization, only can do relax between
4775 1 instruction and 3 instructions. */
4776 p = frag_var (rs_machine_dependent, inst_main.relax_size + s3_RELAX_PAD_BYTE, 0,
4777 s3_RELAX_ENCODE (inst_main.size, inst_main.relax_size, inst_main.type, 0, 4, 1),
4778 inst_main.reloc.exp.X_add_symbol, 0, NULL);
4779
4780 /* Write fr_var part.
4781 no calling s3_gen_insn_frag, no fixS will be generated. */
4782 s3_md_number_to_chars (p, inst_expand[0].instruction, inst_expand[0].size);
4783 p += inst_expand[0].size;
4784 s3_md_number_to_chars (p, inst_expand[1].instruction, inst_expand[1].size);
4785 p += inst_expand[1].size;
4786
4787 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4788 s3_inst.bwarn = -1;
4789 }
4790 }
4791
4792 static int
4793 s3_nopic_need_relax (symbolS * sym, int before_relaxing)
4794 {
4795 if (sym == NULL)
4796 return 0;
4797 else if (s3_USE_GLOBAL_POINTER_OPT && s3_g_switch_value > 0)
4798 {
4799 const char *symname;
4800 const char *segname;
4801
4802 /* Find out whether this symbol can be referenced off the $gp
4803 register. It can be if it is smaller than the -G size or if
4804 it is in the .sdata or .sbss section. Certain symbols can
4805 not be referenced off the $gp, although it appears as though
4806 they can. */
4807 symname = S_GET_NAME (sym);
4808 if (symname != (const char *)NULL
4809 && (strcmp (symname, "eprol") == 0
4810 || strcmp (symname, "etext") == 0
4811 || strcmp (symname, "_gp") == 0
4812 || strcmp (symname, "edata") == 0
4813 || strcmp (symname, "_fbss") == 0
4814 || strcmp (symname, "_fdata") == 0
4815 || strcmp (symname, "_ftext") == 0
4816 || strcmp (symname, "end") == 0
4817 || strcmp (symname, GP_DISP_LABEL) == 0))
4818 {
4819 return 1;
4820 }
4821 else if ((!S_IS_DEFINED (sym) || S_IS_COMMON (sym)) && (0
4822 /* We must defer this decision until after the whole file has been read,
4823 since there might be a .extern after the first use of this symbol. */
4824 || (before_relaxing
4825 && S_GET_VALUE (sym) == 0)
4826 || (S_GET_VALUE (sym) != 0
4827 && S_GET_VALUE (sym) <= s3_g_switch_value)))
4828 {
4829 return 0;
4830 }
4831
4832 segname = segment_name (S_GET_SEGMENT (sym));
4833 return (strcmp (segname, ".sdata") != 0
4834 && strcmp (segname, ".sbss") != 0
4835 && strncmp (segname, ".sdata.", 7) != 0
4836 && strncmp (segname, ".gnu.linkonce.s.", 16) != 0);
4837 }
4838 /* We are not optimizing for the $gp register. */
4839 else
4840 return 1;
4841 }
4842
4843 /* Build a relax frag for lw/st instruction when generating s3_PIC,
4844 external symbol first and local symbol second. */
4845 static void
4846 s3_build_lwst_pic (int reg_rd, expressionS exp, const char *insn_name)
4847 {
4848 symbolS *add_symbol = exp.X_add_symbol;
4849 int add_number = exp.X_add_number;
4850 struct s3_score_it fix_insts[s3_RELAX_INST_NUM];
4851 struct s3_score_it var_insts[s3_RELAX_INST_NUM];
4852 int fix_num = 0;
4853 int var_num = 0;
4854 char tmp[s3_MAX_LITERAL_POOL_SIZE];
4855 int r1_bak;
4856
4857 r1_bak = s3_nor1;
4858 s3_nor1 = 0;
4859
4860 if ((add_number == 0) || (add_number >= -0x8000 && add_number <= 0x7fff))
4861 {
4862 fix_num = 1;
4863 var_num = 2;
4864
4865 /* For an external symbol, two insns are generated;
4866 For a local symbol, three insns are generated. */
4867 /* Fix part
4868 For an external symbol: lw rD, <sym>($gp)
4869 (BFD_RELOC_SCORE_GOT15) */
4870 sprintf (tmp, "lw_pic r1, %s", add_symbol->bsym->name);
4871 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4872 return;
4873
4874 memcpy (&fix_insts[0], &s3_inst, sizeof (struct s3_score_it));
4875
4876 /* Var part
4877 For a local symbol :
4878 lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15)
4879 addi rD, <sym> (BFD_RELOC_GOT_LO16) */
4880 s3_inst.reloc.type = BFD_RELOC_SCORE_GOT15;
4881 memcpy (&var_insts[0], &s3_inst, sizeof (struct s3_score_it));
4882 sprintf (tmp, "addi_s_pic r1, %s", add_symbol->bsym->name);
4883 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4884 return;
4885
4886 memcpy (&var_insts[1], &s3_inst, sizeof (struct s3_score_it));
4887 s3_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol);
4888
4889 /* Insn 2 or Insn 3: lw/st rD, [r1, constant] */
4890 sprintf (tmp, "%s r%d, [r1, %d]", insn_name, reg_rd, add_number);
4891 if (s3_append_insn (tmp, TRUE) == (int) s3_FAIL)
4892 return;
4893
4894 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4895 s3_inst.bwarn = -1;
4896 }
4897 else
4898 {
4899 s3_inst.error = _("s3_PIC code offset overflow (max 16 signed bits)");
4900 return;
4901 }
4902
4903 s3_nor1 = r1_bak;
4904 }
4905
4906 static void
4907 s3_do_macro_ldst_label (char *str)
4908 {
4909 int i;
4910 int ldst_gp_p = 0;
4911 int reg_rd;
4912 int r1_bak;
4913 char *backup_str;
4914 char *label_str;
4915 char *absolute_value;
4916 char append_str[3][s3_MAX_LITERAL_POOL_SIZE];
4917 char verifystr[s3_MAX_LITERAL_POOL_SIZE];
4918 struct s3_score_it inst_backup;
4919 struct s3_score_it inst_expand[3];
4920 struct s3_score_it inst_main;
4921
4922 memcpy (&inst_backup, &s3_inst, sizeof (struct s3_score_it));
4923 strcpy (verifystr, str);
4924 backup_str = verifystr;
4925
4926 s3_skip_whitespace (backup_str);
4927 if ((reg_rd = s3_reg_required_here (&backup_str, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
4928 return;
4929
4930 if (s3_skip_past_comma (&backup_str) == (int) s3_FAIL)
4931 return;
4932
4933 label_str = backup_str;
4934
4935 /* Ld/st rD, [rA, imm] ld/st rD, [rA]+, imm ld/st rD, [rA, imm]+. */
4936 if (*backup_str == '[')
4937 {
4938 s3_inst.type = Rd_rvalueRs_preSI12;
4939 s3_do_ldst_insn (str);
4940 return;
4941 }
4942
4943 /* Ld/st rD, imm. */
4944 absolute_value = backup_str;
4945 s3_inst.type = Rd_rvalueRs_SI15;
4946
4947 if (s3_my_get_expression (&s3_inst.reloc.exp, &backup_str) == (int) s3_FAIL)
4948 {
4949 s3_inst.error = _("expression error");
4950 return;
4951 }
4952 else if ((s3_inst.reloc.exp.X_add_symbol == NULL)
4953 && (s3_validate_immediate (s3_inst.reloc.exp.X_add_number, _VALUE, 0) == (int) s3_FAIL))
4954 {
4955 s3_inst.error = _("value not in range [0, 0x7fffffff]");
4956 return;
4957 }
4958 else if (s3_end_of_line (backup_str) == (int) s3_FAIL)
4959 {
4960 s3_inst.error = _("end on line error");
4961 return;
4962 }
4963 else
4964 {
4965 if (s3_inst.reloc.exp.X_add_symbol == 0)
4966 {
4967 memcpy (&s3_inst, &inst_backup, sizeof (struct s3_score_it));
4968 s3_exp_macro_ldst_abs (str);
4969 return;
4970 }
4971 }
4972
4973 /* Ld/st rD, label. */
4974 s3_inst.type = Rd_rvalueRs_SI15;
4975 backup_str = absolute_value;
4976 if ((s3_data_op2 (&backup_str, 1, _GP_IMM15) == (int) s3_FAIL)
4977 || (s3_end_of_line (backup_str) == (int) s3_FAIL))
4978 {
4979 return;
4980 }
4981 else
4982 {
4983 if (s3_inst.reloc.exp.X_add_symbol == 0)
4984 {
4985 if (!s3_inst.error)
4986 s3_inst.error = s3_BAD_ARGS;
4987
4988 return;
4989 }
4990
4991 if (s3_score_pic == s3_PIC)
4992 {
4993 int ldst_idx = 0;
4994 ldst_idx = s3_inst.instruction & OPC_PSEUDOLDST_MASK;
4995 s3_build_lwst_pic (reg_rd, s3_inst.reloc.exp,
4996 s3_score_ldst_insns[ldst_idx * 3 + 0].template_name);
4997 return;
4998 }
4999 else
5000 {
5001 if ((s3_inst.reloc.exp.X_add_number <= 0x3fff)
5002 && (s3_inst.reloc.exp.X_add_number >= -0x4000)
5003 && (!s3_nopic_need_relax (s3_inst.reloc.exp.X_add_symbol, 1)))
5004 {
5005 int ldst_idx = 0;
5006
5007 /* Assign the real opcode. */
5008 ldst_idx = s3_inst.instruction & OPC_PSEUDOLDST_MASK;
5009 s3_inst.instruction &= ~OPC_PSEUDOLDST_MASK;
5010 s3_inst.instruction |= s3_score_ldst_insns[ldst_idx * 3 + 0].value;
5011 s3_inst.instruction |= reg_rd << 20;
5012 s3_inst.instruction |= s3_GP << 15;
5013 s3_inst.relax_inst = 0x8000;
5014 s3_inst.relax_size = 0;
5015 ldst_gp_p = 1;
5016 }
5017 }
5018 }
5019
5020 /* Backup s3_inst. */
5021 memcpy (&inst_main, &s3_inst, sizeof (struct s3_score_it));
5022 r1_bak = s3_nor1;
5023 s3_nor1 = 0;
5024
5025 /* Determine which instructions should be output. */
5026 sprintf (append_str[0], "ld_i32hi r1, %s", label_str);
5027 sprintf (append_str[1], "ld_i32lo r1, %s", label_str);
5028 sprintf (append_str[2], "%s r%d, [r1, 0]", inst_backup.name, reg_rd);
5029
5030 /* Generate three instructions.
5031 la r1, label
5032 ld/st rd, [r1, 0] */
5033 for (i = 0; i < 3; i++)
5034 {
5035 if (s3_append_insn (append_str[i], FALSE) == (int) s3_FAIL)
5036 return;
5037
5038 memcpy (&inst_expand[i], &s3_inst, sizeof (struct s3_score_it));
5039 }
5040
5041 if (ldst_gp_p)
5042 {
5043 char *p;
5044
5045 /* Adjust instruction opcode and to be relaxed instruction opcode. */
5046 inst_main.instruction = s3_adjust_paritybit (inst_main.instruction, s3_GET_INSN_CLASS (inst_main.type));
5047
5048 /* relax lw rd, label -> ldis rs, imm16
5049 ori rd, imm16
5050 lw rd, [rs, imm15] or lw! rd, [rs, imm5]. */
5051 if (inst_expand[2].relax_size == 0)
5052 inst_main.relax_size = inst_expand[0].size + inst_expand[1].size + inst_expand[2].size;
5053 else
5054 inst_main.relax_size = inst_expand[0].size + inst_expand[1].size + inst_expand[2].relax_size;
5055
5056 inst_main.type = Insn_GP;
5057
5058 for (i = 0; i < 3; i++)
5059 inst_expand[i].instruction = s3_adjust_paritybit (inst_expand[i].instruction,
5060 s3_GET_INSN_CLASS (inst_expand[i].type));
5061
5062 /* Check data dependency. */
5063 s3_handle_dependency (&inst_main);
5064
5065 /* Start a new frag if frag_now is not empty. */
5066 if (frag_now_fix () != 0)
5067 {
5068 if (!frag_now->tc_frag_data.is_insn)
5069 frag_wane (frag_now);
5070
5071 frag_new (0);
5072 }
5073 frag_grow (20);
5074
5075 /* Write fr_fix part. */
5076 p = frag_more (inst_main.size);
5077 s3_md_number_to_chars (p, inst_main.instruction, inst_main.size);
5078
5079 if (inst_main.reloc.type != BFD_RELOC_NONE)
5080 {
5081 s3_fix_new_score (frag_now, p - frag_now->fr_literal, inst_main.size,
5082 &inst_main.reloc.exp, inst_main.reloc.pc_rel, inst_main.reloc.type);
5083 }
5084
5085 #ifdef OBJ_ELF
5086 dwarf2_emit_insn (inst_main.size);
5087 #endif
5088
5089 /* s3_GP instruction can not do optimization, only can do relax between
5090 1 instruction and 3 instructions. */
5091 p = frag_var (rs_machine_dependent, inst_main.relax_size + s3_RELAX_PAD_BYTE, 0,
5092 s3_RELAX_ENCODE (inst_main.size, inst_main.relax_size, inst_main.type, 0, 4, 0),
5093 inst_main.reloc.exp.X_add_symbol, 0, NULL);
5094
5095 /* Write fr_var part.
5096 no calling s3_gen_insn_frag, no fixS will be generated. */
5097 s3_md_number_to_chars (p, inst_expand[0].instruction, inst_expand[0].size);
5098 p += inst_expand[0].size;
5099 s3_md_number_to_chars (p, inst_expand[1].instruction, inst_expand[1].size);
5100 p += inst_expand[1].size;
5101
5102 /* relax lw rd, label -> ldis rs, imm16
5103 ori rd, imm16
5104 lw rd, [rs, imm15] or lw! rd, [rs, imm5]. */
5105 if (inst_expand[2].relax_size == 0)
5106 s3_md_number_to_chars (p, inst_expand[2].instruction, inst_expand[2].size);
5107 else
5108 s3_md_number_to_chars (p, inst_expand[2].relax_inst, inst_expand[2].relax_size);
5109 }
5110 else
5111 {
5112 s3_gen_insn_frag (&inst_expand[0], NULL);
5113 s3_gen_insn_frag (&inst_expand[1], NULL);
5114 s3_gen_insn_frag (&inst_expand[2], NULL);
5115 }
5116 s3_nor1 = r1_bak;
5117
5118 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
5119 s3_inst.bwarn = -1;
5120 }
5121
5122 static void
5123 s3_do_lw_pic (char *str)
5124 {
5125 int reg_rd;
5126
5127 s3_skip_whitespace (str);
5128 if (((reg_rd = s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
5129 || (s3_skip_past_comma (&str) == (int) s3_FAIL)
5130 || (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL)
5131 || (s3_end_of_line (str) == (int) s3_FAIL))
5132 {
5133 return;
5134 }
5135 else
5136 {
5137 if (s3_inst.reloc.exp.X_add_symbol == 0)
5138 {
5139 if (!s3_inst.error)
5140 s3_inst.error = s3_BAD_ARGS;
5141
5142 return;
5143 }
5144
5145 s3_inst.instruction |= s3_GP << 15;
5146 s3_inst.reloc.type = BFD_RELOC_SCORE_GOT15;
5147 }
5148 }
5149
5150 static void
5151 s3_do_empty (char *str)
5152 {
5153 str = str;
5154 if (s3_university_version == 1)
5155 {
5156 if (((s3_inst.instruction & 0x3e0003ff) == 0x0c000004)
5157 || ((s3_inst.instruction & 0x3e0003ff) == 0x0c000024)
5158 || ((s3_inst.instruction & 0x3e0003ff) == 0x0c000044)
5159 || ((s3_inst.instruction & 0x3e0003ff) == 0x0c000064))
5160 {
5161 s3_inst.error = s3_ERR_FOR_SCORE5U_MMU;
5162 return;
5163 }
5164 }
5165 if (s3_end_of_line (str) == (int) s3_FAIL)
5166 return;
5167
5168 if (s3_inst.relax_inst != 0x8000)
5169 {
5170 if (s3_inst.type == NO_OPD)
5171 {
5172 s3_inst.relax_size = 2;
5173 }
5174 else
5175 {
5176 s3_inst.relax_size = 4;
5177 }
5178 }
5179 }
5180
5181 static void
5182 s3_do16_int (char *str)
5183 {
5184 s3_skip_whitespace (str);
5185 return;
5186 }
5187
5188 static void
5189 s3_do_jump (char *str)
5190 {
5191 char *save_in;
5192
5193 s3_skip_whitespace (str);
5194 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL
5195 || s3_end_of_line (str) == (int) s3_FAIL)
5196 return;
5197
5198 if (s3_inst.reloc.exp.X_add_symbol == 0)
5199 {
5200 s3_inst.error = _("lacking label ");
5201 return;
5202 }
5203
5204 if (!(s3_inst.reloc.exp.X_add_number >= -16777216
5205 && s3_inst.reloc.exp.X_add_number <= 16777215))
5206 {
5207 s3_inst.error = _("invalid constant: 25 bit expression not in range [-16777216, 16777215]");
5208 return;
5209 }
5210
5211 save_in = input_line_pointer;
5212 input_line_pointer = str;
5213 s3_inst.reloc.type = BFD_RELOC_SCORE_JMP;
5214 s3_inst.reloc.pc_rel = 1;
5215 input_line_pointer = save_in;
5216 }
5217
5218 static void
5219 s3_do_branch (char *str)
5220 {
5221 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL
5222 || s3_end_of_line (str) == (int) s3_FAIL)
5223 {
5224 return;
5225 }
5226 else if (s3_inst.reloc.exp.X_add_symbol == 0)
5227 {
5228 s3_inst.error = _("lacking label ");
5229 return;
5230 }
5231 else if (!(s3_inst.reloc.exp.X_add_number >= -524288
5232 && s3_inst.reloc.exp.X_add_number <= 524287))
5233 {
5234 s3_inst.error = _("invalid constant: 20 bit expression not in range -2^19..2^19");
5235 return;
5236 }
5237
5238 s3_inst.reloc.type = BFD_RELOC_SCORE_BRANCH;
5239 s3_inst.reloc.pc_rel = 1;
5240
5241 /* Branch 32 offset field : 20 bit, 16 bit branch offset field : 8 bit. */
5242 s3_inst.instruction |= (s3_inst.reloc.exp.X_add_number & 0x3fe) | ((s3_inst.reloc.exp.X_add_number & 0xffc00) << 5);
5243
5244 /* Compute 16 bit branch instruction. */
5245 if ((s3_inst.relax_inst != 0x8000)
5246 && (s3_inst.reloc.exp.X_add_number >= -512 && s3_inst.reloc.exp.X_add_number <= 511))
5247 {
5248 s3_inst.relax_inst |= ((s3_inst.reloc.exp.X_add_number >> 1) & 0x1ff);/*b! :disp 9 bit */
5249 s3_inst.relax_size = 2;
5250 }
5251 else
5252 {
5253 s3_inst.relax_inst = 0x8000;
5254 }
5255 }
5256
5257 static void
5258 s3_do16_branch (char *str)
5259 {
5260 if ((s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL
5261 || s3_end_of_line (str) == (int) s3_FAIL))
5262 {
5263 ;
5264 }
5265 else if (s3_inst.reloc.exp.X_add_symbol == 0)
5266 {
5267 s3_inst.error = _("lacking label");
5268 }
5269 else if (!(s3_inst.reloc.exp.X_add_number >= -512
5270 && s3_inst.reloc.exp.X_add_number <= 511))
5271 {
5272 s3_inst.error = _("invalid constant: 10 bit expression not in range [-2^9, 2^9-1]");
5273 }
5274 else
5275 {
5276 s3_inst.reloc.type = BFD_RELOC_SCORE16_BRANCH;
5277 s3_inst.reloc.pc_rel = 1;
5278 s3_inst.instruction |= ((s3_inst.reloc.exp.X_add_number >> 1) & 0x1ff);
5279 s3_inst.relax_inst |= ((s3_inst.reloc.exp.X_add_number ) & 0x1ff);
5280 s3_inst.relax_size = 4;
5281 }
5282 }
5283
5284 /* Return true if the given symbol should be considered local for s3_PIC. */
5285 static bfd_boolean
5286 s3_pic_need_relax (symbolS *sym, asection *segtype)
5287 {
5288 asection *symsec;
5289 bfd_boolean linkonce;
5290
5291 /* Handle the case of a symbol equated to another symbol. */
5292 while (symbol_equated_reloc_p (sym))
5293 {
5294 symbolS *n;
5295
5296 /* It's possible to get a loop here in a badly written
5297 program. */
5298 n = symbol_get_value_expression (sym)->X_add_symbol;
5299 if (n == sym)
5300 break;
5301 sym = n;
5302 }
5303
5304 symsec = S_GET_SEGMENT (sym);
5305
5306 /* duplicate the test for LINK_ONCE sections as in adjust_reloc_syms */
5307 linkonce = FALSE;
5308 if (symsec != segtype && ! S_IS_LOCAL (sym))
5309 {
5310 if ((bfd_get_section_flags (stdoutput, symsec) & SEC_LINK_ONCE) != 0)
5311 linkonce = TRUE;
5312
5313 /* The GNU toolchain uses an extension for ELF: a section
5314 beginning with the magic string .gnu.linkonce is a linkonce
5315 section. */
5316 if (strncmp (segment_name (symsec), ".gnu.linkonce",
5317 sizeof ".gnu.linkonce" - 1) == 0)
5318 linkonce = TRUE;
5319 }
5320
5321 /* This must duplicate the test in adjust_reloc_syms. */
5322 return (symsec != &bfd_und_section
5323 && symsec != &bfd_abs_section
5324 && ! bfd_is_com_section (symsec)
5325 && !linkonce
5326 #ifdef OBJ_ELF
5327 /* A global or weak symbol is treated as external. */
5328 && (OUTPUT_FLAVOR != bfd_target_elf_flavour
5329 || (! S_IS_WEAK (sym) && ! S_IS_EXTERNAL (sym)))
5330 #endif
5331 );
5332 }
5333
5334 static void
5335 s3_parse_pce_inst (char *insnstr)
5336 {
5337 char c;
5338 char *p;
5339 char first[s3_MAX_LITERAL_POOL_SIZE];
5340 char second[s3_MAX_LITERAL_POOL_SIZE];
5341 struct s3_score_it pec_part_1;
5342
5343 /* Get first part string of PCE. */
5344 p = strstr (insnstr, "||");
5345 c = *p;
5346 *p = '\0';
5347 sprintf (first, "%s", insnstr);
5348
5349 /* Get second part string of PCE. */
5350 *p = c;
5351 p += 2;
5352 sprintf (second, "%s", p);
5353
5354 s3_parse_16_32_inst (first, FALSE);
5355 if (s3_inst.error)
5356 return;
5357
5358 memcpy (&pec_part_1, &s3_inst, sizeof (s3_inst));
5359
5360 s3_parse_16_32_inst (second, FALSE);
5361 if (s3_inst.error)
5362 return;
5363
5364 if ( ((pec_part_1.size == s3_INSN_SIZE) && (s3_inst.size == s3_INSN_SIZE))
5365 || ((pec_part_1.size == s3_INSN_SIZE) && (s3_inst.size == s3_INSN16_SIZE))
5366 || ((pec_part_1.size == s3_INSN16_SIZE) && (s3_inst.size == s3_INSN_SIZE)))
5367 {
5368 s3_inst.error = _("pce instruction error (16 bit || 16 bit)'");
5369 sprintf (s3_inst.str, insnstr);
5370 return;
5371 }
5372
5373 if (!s3_inst.error)
5374 s3_gen_insn_frag (&pec_part_1, &s3_inst);
5375 }
5376
5377 /* s3: dsp. */
5378 static void
5379 s3_do16_dsp (char *str)
5380 {
5381 int rd = 0;
5382
5383 /* Check 3d. */
5384 if (s3_score3d == 0)
5385 {
5386 s3_inst.error = _("score3d instruction.");
5387 return;
5388 }
5389
5390 s3_skip_whitespace (str);
5391
5392 if ((rd = s3_reglow_required_here (&str, 0)) == (int) s3_FAIL
5393 || s3_end_of_line (str) == (int) s3_FAIL)
5394 {
5395 return;
5396 }
5397 else
5398 {
5399 s3_inst.relax_inst |= rd << 20;
5400 s3_inst.relax_size = 4;
5401 }
5402 }
5403
5404 static void
5405 s3_do16_dsp2 (char *str)
5406 {
5407 /* Check 3d. */
5408 if (s3_score3d == 0)
5409 {
5410 s3_inst.error = _("score3d instruction.");
5411 return;
5412 }
5413
5414 s3_skip_whitespace (str);
5415
5416 if (s3_reglow_required_here (&str, 4) == (int) s3_FAIL
5417 || s3_skip_past_comma (&str) == (int) s3_FAIL
5418 || s3_reglow_required_here (&str, 0) == (int) s3_FAIL
5419 || s3_end_of_line (str) == (int) s3_FAIL)
5420 {
5421 return;
5422 }
5423 else
5424 {
5425 s3_inst.relax_inst |= (((s3_inst.instruction >> 8) & 0xf) << 20)
5426 | (((s3_inst.instruction >> 8) & 0xf) << 15) | (((s3_inst.instruction >> 4) & 0xf) << 10);
5427 s3_inst.relax_size = 4;
5428 }
5429 }
5430
5431 static void
5432 s3_do_dsp (char *str)
5433 {
5434 /* Check 3d. */
5435 if (s3_score3d == 0)
5436 {
5437 s3_inst.error = _("score3d instruction.");
5438 return;
5439 }
5440
5441 s3_skip_whitespace (str);
5442
5443 if (s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL
5444 || s3_skip_past_comma (&str) == (int) s3_FAIL
5445 || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE) == (int) s3_FAIL
5446 || s3_end_of_line (str) == (int) s3_FAIL)
5447 return;
5448
5449 if ((s3_inst.relax_inst != 0x8000) && (((s3_inst.instruction >> 20) & 0x1f) == 3) )
5450 {
5451 s3_inst.relax_inst |= (((s3_inst.instruction >> 10) & 0x1f)) | (((s3_inst.instruction >> 15) & 0x1f) << 5);
5452 s3_inst.relax_size = 2;
5453 }
5454 else
5455 s3_inst.relax_inst = 0x8000;
5456 }
5457
5458 static void
5459 s3_do_dsp2 (char *str)
5460 {
5461 int reg;
5462
5463 /* Check 3d. */
5464 if (s3_score3d == 0)
5465 {
5466 s3_inst.error = _("score3d instruction.");
5467 return;
5468 }
5469
5470 s3_skip_whitespace (str);
5471
5472 if ((reg = s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE)) == (int) s3_FAIL
5473 || s3_skip_past_comma (&str) == (int) s3_FAIL
5474 || s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL
5475 || s3_skip_past_comma (&str) == (int) s3_FAIL
5476 || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE) == (int) s3_FAIL
5477 || s3_end_of_line (str) == (int) s3_FAIL)
5478 {
5479 return;
5480 }
5481 else
5482 {
5483 /* Check mulr, mulur rd is even number. */
5484 if (((s3_inst.instruction & 0x3e0003ff) == 0x00000340
5485 || (s3_inst.instruction & 0x3e0003ff) == 0x00000342)
5486 && (reg % 2))
5487 {
5488 s3_inst.error = _("rd must be even number.");
5489 return;
5490 }
5491
5492 if ((((s3_inst.instruction >> 15) & 0x10) == 0)
5493 && (((s3_inst.instruction >> 10) & 0x10) == 0)
5494 && (((s3_inst.instruction >> 20) & 0x10) == 0)
5495 && (s3_inst.relax_inst != 0x8000)
5496 && (((s3_inst.instruction >> 20) & 0xf) == ((s3_inst.instruction >> 15) & 0xf)))
5497 {
5498 s3_inst.relax_inst |= (((s3_inst.instruction >> 10) & 0xf) )
5499 | (((s3_inst.instruction >> 15) & 0xf) << 4);
5500 s3_inst.relax_size = 2;
5501 }
5502 else
5503 {
5504 s3_inst.relax_inst = 0x8000;
5505 }
5506 }
5507 }
5508
5509 static void
5510 s3_do_dsp3 (char *str)
5511 {
5512 /* Check 3d. */
5513 if (s3_score3d == 0)
5514 {
5515 s3_inst.error = _("score3d instruction.");
5516 return;
5517 }
5518
5519 s3_skip_whitespace (str);
5520
5521 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL
5522 || s3_skip_past_comma (&str) == (int) s3_FAIL
5523 || s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL
5524 || s3_end_of_line (str) == (int) s3_FAIL)
5525 return;
5526
5527 if ((s3_inst.relax_inst != 0x8000) && (((s3_inst.instruction >> 20) & 0x1f) == 3) )
5528 {
5529 s3_inst.relax_inst |= (((s3_inst.instruction >> 10) & 0x1f)) | (((s3_inst.instruction >> 15) & 0x1f) << 5);
5530 s3_inst.relax_size = 2;
5531 }
5532 else
5533 s3_inst.relax_inst = 0x8000;
5534 }
5535
5536
5537 /* If we change section we must dump the literal pool first. */
5538 static void
5539 s3_s_score_bss (int ignore ATTRIBUTE_UNUSED)
5540 {
5541 subseg_set (bss_section, (subsegT) get_absolute_expression ());
5542 demand_empty_rest_of_line ();
5543 }
5544
5545 static void
5546 s3_s_score_text (int ignore)
5547 {
5548 obj_elf_text (ignore);
5549 record_alignment (now_seg, 2);
5550 }
5551
5552 static void
5553 s3_score_s_section (int ignore)
5554 {
5555 obj_elf_section (ignore);
5556 if ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0)
5557 record_alignment (now_seg, 2);
5558
5559 }
5560
5561 static void
5562 s3_s_change_sec (int sec)
5563 {
5564 segT seg;
5565
5566 #ifdef OBJ_ELF
5567 /* The ELF backend needs to know that we are changing sections, so
5568 that .previous works correctly. We could do something like check
5569 for an obj_section_change_hook macro, but that might be confusing
5570 as it would not be appropriate to use it in the section changing
5571 functions in read.c, since obj-elf.c intercepts those. FIXME:
5572 This should be cleaner, somehow. */
5573 obj_elf_section_change_hook ();
5574 #endif
5575 switch (sec)
5576 {
5577 case 'r':
5578 seg = subseg_new (s3_RDATA_SECTION_NAME, (subsegT) get_absolute_expression ());
5579 bfd_set_section_flags (stdoutput, seg, (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_RELOC | SEC_DATA));
5580 if (strcmp (TARGET_OS, "elf") != 0)
5581 record_alignment (seg, 4);
5582 demand_empty_rest_of_line ();
5583 break;
5584 case 's':
5585 seg = subseg_new (".sdata", (subsegT) get_absolute_expression ());
5586 bfd_set_section_flags (stdoutput, seg, SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA);
5587 if (strcmp (TARGET_OS, "elf") != 0)
5588 record_alignment (seg, 4);
5589 demand_empty_rest_of_line ();
5590 break;
5591 }
5592 }
5593
5594 static void
5595 s3_s_score_mask (int reg_type ATTRIBUTE_UNUSED)
5596 {
5597 long mask, off;
5598
5599 if (s3_cur_proc_ptr == (s3_procS *) NULL)
5600 {
5601 as_warn (_(".mask outside of .ent"));
5602 demand_empty_rest_of_line ();
5603 return;
5604 }
5605 if (get_absolute_expression_and_terminator (&mask) != ',')
5606 {
5607 as_warn (_("Bad .mask directive"));
5608 --input_line_pointer;
5609 demand_empty_rest_of_line ();
5610 return;
5611 }
5612 off = get_absolute_expression ();
5613 s3_cur_proc_ptr->reg_mask = mask;
5614 s3_cur_proc_ptr->reg_offset = off;
5615 demand_empty_rest_of_line ();
5616 }
5617
5618 static symbolS *
5619 s3_get_symbol (void)
5620 {
5621 int c;
5622 char *name;
5623 symbolS *p;
5624
5625 name = input_line_pointer;
5626 c = get_symbol_end ();
5627 p = (symbolS *) symbol_find_or_make (name);
5628 *input_line_pointer = c;
5629 return p;
5630 }
5631
5632 static long
5633 s3_get_number (void)
5634 {
5635 int negative = 0;
5636 long val = 0;
5637
5638 if (*input_line_pointer == '-')
5639 {
5640 ++input_line_pointer;
5641 negative = 1;
5642 }
5643 if (!ISDIGIT (*input_line_pointer))
5644 as_bad (_("expected simple number"));
5645 if (input_line_pointer[0] == '0')
5646 {
5647 if (input_line_pointer[1] == 'x')
5648 {
5649 input_line_pointer += 2;
5650 while (ISXDIGIT (*input_line_pointer))
5651 {
5652 val <<= 4;
5653 val |= hex_value (*input_line_pointer++);
5654 }
5655 return negative ? -val : val;
5656 }
5657 else
5658 {
5659 ++input_line_pointer;
5660 while (ISDIGIT (*input_line_pointer))
5661 {
5662 val <<= 3;
5663 val |= *input_line_pointer++ - '0';
5664 }
5665 return negative ? -val : val;
5666 }
5667 }
5668 if (!ISDIGIT (*input_line_pointer))
5669 {
5670 printf (_(" *input_line_pointer == '%c' 0x%02x\n"), *input_line_pointer, *input_line_pointer);
5671 as_warn (_("invalid number"));
5672 return -1;
5673 }
5674 while (ISDIGIT (*input_line_pointer))
5675 {
5676 val *= 10;
5677 val += *input_line_pointer++ - '0';
5678 }
5679 return negative ? -val : val;
5680 }
5681
5682 /* The .aent and .ent directives. */
5683 static void
5684 s3_s_score_ent (int aent)
5685 {
5686 symbolS *symbolP;
5687 int maybe_text;
5688
5689 symbolP = s3_get_symbol ();
5690 if (*input_line_pointer == ',')
5691 ++input_line_pointer;
5692 SKIP_WHITESPACE ();
5693 if (ISDIGIT (*input_line_pointer) || *input_line_pointer == '-')
5694 s3_get_number ();
5695
5696 #ifdef BFD_ASSEMBLER
5697 if ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0)
5698 maybe_text = 1;
5699 else
5700 maybe_text = 0;
5701 #else
5702 if (now_seg != data_section && now_seg != bss_section)
5703 maybe_text = 1;
5704 else
5705 maybe_text = 0;
5706 #endif
5707 if (!maybe_text)
5708 as_warn (_(".ent or .aent not in text section."));
5709 if (!aent && s3_cur_proc_ptr)
5710 as_warn (_("missing .end"));
5711 if (!aent)
5712 {
5713 s3_cur_proc_ptr = &s3_cur_proc;
5714 s3_cur_proc_ptr->reg_mask = 0xdeadbeaf;
5715 s3_cur_proc_ptr->reg_offset = 0xdeadbeaf;
5716 s3_cur_proc_ptr->fpreg_mask = 0xdeafbeaf;
5717 s3_cur_proc_ptr->leaf = 0xdeafbeaf;
5718 s3_cur_proc_ptr->frame_offset = 0xdeafbeaf;
5719 s3_cur_proc_ptr->frame_reg = 0xdeafbeaf;
5720 s3_cur_proc_ptr->pc_reg = 0xdeafbeaf;
5721 s3_cur_proc_ptr->isym = symbolP;
5722 symbol_get_bfdsym (symbolP)->flags |= BSF_FUNCTION;
5723 ++s3_numprocs;
5724 if (debug_type == DEBUG_STABS)
5725 stabs_generate_asm_func (S_GET_NAME (symbolP), S_GET_NAME (symbolP));
5726 }
5727 demand_empty_rest_of_line ();
5728 }
5729
5730 static void
5731 s3_s_score_frame (int ignore ATTRIBUTE_UNUSED)
5732 {
5733 char *backupstr;
5734 char str[30];
5735 long val;
5736 int i = 0;
5737
5738 backupstr = input_line_pointer;
5739
5740 #ifdef OBJ_ELF
5741 if (s3_cur_proc_ptr == (s3_procS *) NULL)
5742 {
5743 as_warn (_(".frame outside of .ent"));
5744 demand_empty_rest_of_line ();
5745 return;
5746 }
5747 s3_cur_proc_ptr->frame_reg = s3_reg_required_here ((&backupstr), 0, s3_REG_TYPE_SCORE);
5748 SKIP_WHITESPACE ();
5749 s3_skip_past_comma (&backupstr);
5750 while (*backupstr != ',')
5751 {
5752 str[i] = *backupstr;
5753 i++;
5754 backupstr++;
5755 }
5756 str[i] = '\0';
5757 val = atoi (str);
5758
5759 SKIP_WHITESPACE ();
5760 s3_skip_past_comma (&backupstr);
5761 s3_cur_proc_ptr->frame_offset = val;
5762 s3_cur_proc_ptr->pc_reg = s3_reg_required_here ((&backupstr), 0, s3_REG_TYPE_SCORE);
5763
5764 SKIP_WHITESPACE ();
5765 s3_skip_past_comma (&backupstr);
5766 i = 0;
5767 while (*backupstr != '\n')
5768 {
5769 str[i] = *backupstr;
5770 i++;
5771 backupstr++;
5772 }
5773 str[i] = '\0';
5774 val = atoi (str);
5775 s3_cur_proc_ptr->leaf = val;
5776 SKIP_WHITESPACE ();
5777 s3_skip_past_comma (&backupstr);
5778
5779 #endif /* OBJ_ELF */
5780 while (input_line_pointer != backupstr)
5781 input_line_pointer++;
5782 }
5783
5784 /* The .end directive. */
5785 static void
5786 s3_s_score_end (int x ATTRIBUTE_UNUSED)
5787 {
5788 symbolS *p;
5789 int maybe_text;
5790
5791 /* Generate a .pdr section. */
5792 segT saved_seg = now_seg;
5793 subsegT saved_subseg = now_subseg;
5794 valueT dot;
5795 expressionS exp;
5796 char *fragp;
5797
5798 if (!is_end_of_line[(unsigned char)*input_line_pointer])
5799 {
5800 p = s3_get_symbol ();
5801 demand_empty_rest_of_line ();
5802 }
5803 else
5804 p = NULL;
5805
5806 #ifdef BFD_ASSEMBLER
5807 if ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0)
5808 maybe_text = 1;
5809 else
5810 maybe_text = 0;
5811 #else
5812 if (now_seg != data_section && now_seg != bss_section)
5813 maybe_text = 1;
5814 else
5815 maybe_text = 0;
5816 #endif
5817
5818 if (!maybe_text)
5819 as_warn (_(".end not in text section"));
5820 if (!s3_cur_proc_ptr)
5821 {
5822 as_warn (_(".end directive without a preceding .ent directive."));
5823 demand_empty_rest_of_line ();
5824 return;
5825 }
5826 if (p != NULL)
5827 {
5828 gas_assert (S_GET_NAME (p));
5829 if (strcmp (S_GET_NAME (p), S_GET_NAME (s3_cur_proc_ptr->isym)))
5830 as_warn (_(".end symbol does not match .ent symbol."));
5831 if (debug_type == DEBUG_STABS)
5832 stabs_generate_asm_endfunc (S_GET_NAME (p), S_GET_NAME (p));
5833 }
5834 else
5835 as_warn (_(".end directive missing or unknown symbol"));
5836
5837 if ((s3_cur_proc_ptr->reg_mask == 0xdeadbeaf) ||
5838 (s3_cur_proc_ptr->reg_offset == 0xdeadbeaf) ||
5839 (s3_cur_proc_ptr->leaf == 0xdeafbeaf) ||
5840 (s3_cur_proc_ptr->frame_offset == 0xdeafbeaf) ||
5841 (s3_cur_proc_ptr->frame_reg == 0xdeafbeaf) || (s3_cur_proc_ptr->pc_reg == 0xdeafbeaf));
5842
5843 else
5844 {
5845 dot = frag_now_fix ();
5846 gas_assert (s3_pdr_seg);
5847 subseg_set (s3_pdr_seg, 0);
5848 /* Write the symbol. */
5849 exp.X_op = O_symbol;
5850 exp.X_add_symbol = p;
5851 exp.X_add_number = 0;
5852 emit_expr (&exp, 4);
5853 fragp = frag_more (7 * 4);
5854 md_number_to_chars (fragp, (valueT) s3_cur_proc_ptr->reg_mask, 4);
5855 md_number_to_chars (fragp + 4, (valueT) s3_cur_proc_ptr->reg_offset, 4);
5856 md_number_to_chars (fragp + 8, (valueT) s3_cur_proc_ptr->fpreg_mask, 4);
5857 md_number_to_chars (fragp + 12, (valueT) s3_cur_proc_ptr->leaf, 4);
5858 md_number_to_chars (fragp + 16, (valueT) s3_cur_proc_ptr->frame_offset, 4);
5859 md_number_to_chars (fragp + 20, (valueT) s3_cur_proc_ptr->frame_reg, 4);
5860 md_number_to_chars (fragp + 24, (valueT) s3_cur_proc_ptr->pc_reg, 4);
5861 subseg_set (saved_seg, saved_subseg);
5862
5863 }
5864 s3_cur_proc_ptr = NULL;
5865 }
5866
5867 /* Handle the .set pseudo-op. */
5868 static void
5869 s3_s_score_set (int x ATTRIBUTE_UNUSED)
5870 {
5871 int i = 0;
5872 char name[s3_MAX_LITERAL_POOL_SIZE];
5873 char * orig_ilp = input_line_pointer;
5874
5875 while (!is_end_of_line[(unsigned char)*input_line_pointer])
5876 {
5877 name[i] = (char) * input_line_pointer;
5878 i++;
5879 ++input_line_pointer;
5880 }
5881
5882 name[i] = '\0';
5883
5884 if (strcmp (name, "nwarn") == 0)
5885 {
5886 s3_warn_fix_data_dependency = 0;
5887 }
5888 else if (strcmp (name, "fixdd") == 0)
5889 {
5890 s3_fix_data_dependency = 1;
5891 }
5892 else if (strcmp (name, "nofixdd") == 0)
5893 {
5894 s3_fix_data_dependency = 0;
5895 }
5896 else if (strcmp (name, "r1") == 0)
5897 {
5898 s3_nor1 = 0;
5899 }
5900 else if (strcmp (name, "nor1") == 0)
5901 {
5902 s3_nor1 = 1;
5903 }
5904 else if (strcmp (name, "optimize") == 0)
5905 {
5906 s3_g_opt = 1;
5907 }
5908 else if (strcmp (name, "volatile") == 0)
5909 {
5910 s3_g_opt = 0;
5911 }
5912 else if (strcmp (name, "pic") == 0)
5913 {
5914 s3_score_pic = s3_PIC;
5915 }
5916 else
5917 {
5918 input_line_pointer = orig_ilp;
5919 s_set (0);
5920 }
5921 }
5922
5923 /* Handle the .cpload pseudo-op. This is used when generating s3_PIC code. It sets the
5924 $gp register for the function based on the function address, which is in the register
5925 named in the argument. This uses a relocation against GP_DISP_LABEL, which is handled
5926 specially by the linker. The result is:
5927 ldis gp, %hi(GP_DISP_LABEL)
5928 ori gp, %low(GP_DISP_LABEL)
5929 add gp, gp, .cpload argument
5930 The .cpload argument is normally r29. */
5931 static void
5932 s3_s_score_cpload (int ignore ATTRIBUTE_UNUSED)
5933 {
5934 int reg;
5935 char insn_str[s3_MAX_LITERAL_POOL_SIZE];
5936
5937 /* If we are not generating s3_PIC code, .cpload is ignored. */
5938 if (s3_score_pic == s3_NO_PIC)
5939 {
5940 s_ignore (0);
5941 return;
5942 }
5943
5944 if ((reg = s3_reg_required_here (&input_line_pointer, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
5945 return;
5946
5947 demand_empty_rest_of_line ();
5948
5949 sprintf (insn_str, "ld_i32hi r%d, %s", s3_GP, GP_DISP_LABEL);
5950 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
5951 return;
5952
5953 sprintf (insn_str, "ld_i32lo r%d, %s", s3_GP, GP_DISP_LABEL);
5954 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
5955 return;
5956
5957 sprintf (insn_str, "add r%d, r%d, r%d", s3_GP, s3_GP, reg);
5958 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
5959 return;
5960 }
5961
5962 /* Handle the .cprestore pseudo-op. This stores $gp into a given
5963 offset from $sp. The offset is remembered, and after making a s3_PIC
5964 call $gp is restored from that location. */
5965 static void
5966 s3_s_score_cprestore (int ignore ATTRIBUTE_UNUSED)
5967 {
5968 int reg;
5969 int cprestore_offset;
5970 char insn_str[s3_MAX_LITERAL_POOL_SIZE];
5971
5972 /* If we are not generating s3_PIC code, .cprestore is ignored. */
5973 if (s3_score_pic == s3_NO_PIC)
5974 {
5975 s_ignore (0);
5976 return;
5977 }
5978
5979 if ((reg = s3_reg_required_here (&input_line_pointer, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL
5980 || s3_skip_past_comma (&input_line_pointer) == (int) s3_FAIL)
5981 {
5982 return;
5983 }
5984
5985 cprestore_offset = get_absolute_expression ();
5986
5987 if (cprestore_offset <= 0x3fff)
5988 {
5989 sprintf (insn_str, "sw r%d, [r%d, %d]", s3_GP, reg, cprestore_offset);
5990 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
5991 return;
5992 }
5993 else
5994 {
5995 int r1_bak;
5996
5997 r1_bak = s3_nor1;
5998 s3_nor1 = 0;
5999
6000 sprintf (insn_str, "li r1, %d", cprestore_offset);
6001 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
6002 return;
6003
6004 sprintf (insn_str, "add r1, r1, r%d", reg);
6005 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
6006 return;
6007
6008 sprintf (insn_str, "sw r%d, [r1]", s3_GP);
6009 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
6010 return;
6011
6012 s3_nor1 = r1_bak;
6013 }
6014
6015 demand_empty_rest_of_line ();
6016 }
6017
6018 /* Handle the .gpword pseudo-op. This is used when generating s3_PIC
6019 code. It generates a 32 bit s3_GP relative reloc. */
6020 static void
6021 s3_s_score_gpword (int ignore ATTRIBUTE_UNUSED)
6022 {
6023 expressionS ex;
6024 char *p;
6025
6026 /* When not generating s3_PIC code, this is treated as .word. */
6027 if (s3_score_pic == s3_NO_PIC)
6028 {
6029 cons (4);
6030 return;
6031 }
6032 expression (&ex);
6033 if (ex.X_op != O_symbol || ex.X_add_number != 0)
6034 {
6035 as_bad (_("Unsupported use of .gpword"));
6036 ignore_rest_of_line ();
6037 }
6038 p = frag_more (4);
6039 s3_md_number_to_chars (p, (valueT) 0, 4);
6040 fix_new_exp (frag_now, p - frag_now->fr_literal, 4, &ex, FALSE, BFD_RELOC_GPREL32);
6041 demand_empty_rest_of_line ();
6042 }
6043
6044 /* Handle the .cpadd pseudo-op. This is used when dealing with switch
6045 tables in s3_PIC code. */
6046 static void
6047 s3_s_score_cpadd (int ignore ATTRIBUTE_UNUSED)
6048 {
6049 int reg;
6050 char insn_str[s3_MAX_LITERAL_POOL_SIZE];
6051
6052 /* If we are not generating s3_PIC code, .cpload is ignored. */
6053 if (s3_score_pic == s3_NO_PIC)
6054 {
6055 s_ignore (0);
6056 return;
6057 }
6058
6059 if ((reg = s3_reg_required_here (&input_line_pointer, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
6060 {
6061 return;
6062 }
6063 demand_empty_rest_of_line ();
6064
6065 /* Add $gp to the register named as an argument. */
6066 sprintf (insn_str, "add r%d, r%d, r%d", reg, reg, s3_GP);
6067 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
6068 return;
6069 }
6070
6071 #ifndef TC_IMPLICIT_LCOMM_ALIGNMENT
6072 #define TC_IMPLICIT_LCOMM_ALIGNMENT(SIZE, P2VAR) \
6073 do \
6074 { \
6075 if ((SIZE) >= 8) \
6076 (P2VAR) = 3; \
6077 else if ((SIZE) >= 4) \
6078 (P2VAR) = 2; \
6079 else if ((SIZE) >= 2) \
6080 (P2VAR) = 1; \
6081 else \
6082 (P2VAR) = 0; \
6083 } \
6084 while (0)
6085 #endif
6086
6087 static void
6088 s3_s_score_lcomm (int bytes_p)
6089 {
6090 char *name;
6091 char c;
6092 char *p;
6093 int temp;
6094 symbolS *symbolP;
6095 segT current_seg = now_seg;
6096 subsegT current_subseg = now_subseg;
6097 const int max_alignment = 15;
6098 int align = 0;
6099 segT bss_seg = bss_section;
6100 int needs_align = 0;
6101
6102 name = input_line_pointer;
6103 c = get_symbol_end ();
6104 p = input_line_pointer;
6105 *p = c;
6106
6107 if (name == p)
6108 {
6109 as_bad (_("expected symbol name"));
6110 discard_rest_of_line ();
6111 return;
6112 }
6113
6114 SKIP_WHITESPACE ();
6115
6116 /* Accept an optional comma after the name. The comma used to be
6117 required, but Irix 5 cc does not generate it. */
6118 if (*input_line_pointer == ',')
6119 {
6120 ++input_line_pointer;
6121 SKIP_WHITESPACE ();
6122 }
6123
6124 if (is_end_of_line[(unsigned char)*input_line_pointer])
6125 {
6126 as_bad (_("missing size expression"));
6127 return;
6128 }
6129
6130 if ((temp = get_absolute_expression ()) < 0)
6131 {
6132 as_warn (_("BSS length (%d) < 0 ignored"), temp);
6133 ignore_rest_of_line ();
6134 return;
6135 }
6136
6137 #if defined (TC_SCORE)
6138 if (OUTPUT_FLAVOR == bfd_target_ecoff_flavour || OUTPUT_FLAVOR == bfd_target_elf_flavour)
6139 {
6140 /* For Score and Alpha ECOFF or ELF, small objects are put in .sbss. */
6141 if ((unsigned)temp <= bfd_get_gp_size (stdoutput))
6142 {
6143 bss_seg = subseg_new (".sbss", 1);
6144 seg_info (bss_seg)->bss = 1;
6145 #ifdef BFD_ASSEMBLER
6146 if (!bfd_set_section_flags (stdoutput, bss_seg, SEC_ALLOC))
6147 as_warn (_("error setting flags for \".sbss\": %s"), bfd_errmsg (bfd_get_error ()));
6148 #endif
6149 }
6150 }
6151 #endif
6152
6153 SKIP_WHITESPACE ();
6154 if (*input_line_pointer == ',')
6155 {
6156 ++input_line_pointer;
6157 SKIP_WHITESPACE ();
6158
6159 if (is_end_of_line[(unsigned char)*input_line_pointer])
6160 {
6161 as_bad (_("missing alignment"));
6162 return;
6163 }
6164 else
6165 {
6166 align = get_absolute_expression ();
6167 needs_align = 1;
6168 }
6169 }
6170
6171 if (!needs_align)
6172 {
6173 TC_IMPLICIT_LCOMM_ALIGNMENT (temp, align);
6174
6175 /* Still zero unless TC_IMPLICIT_LCOMM_ALIGNMENT set it. */
6176 if (align)
6177 record_alignment (bss_seg, align);
6178 }
6179
6180 if (needs_align)
6181 {
6182 if (bytes_p)
6183 {
6184 /* Convert to a power of 2. */
6185 if (align != 0)
6186 {
6187 unsigned int i;
6188
6189 for (i = 0; align != 0; align >>= 1, ++i)
6190 ;
6191 align = i - 1;
6192 }
6193 }
6194
6195 if (align > max_alignment)
6196 {
6197 align = max_alignment;
6198 as_warn (_("alignment too large; %d assumed"), align);
6199 }
6200 else if (align < 0)
6201 {
6202 align = 0;
6203 as_warn (_("alignment negative; 0 assumed"));
6204 }
6205
6206 record_alignment (bss_seg, align);
6207 }
6208 else
6209 {
6210 /* Assume some objects may require alignment on some systems. */
6211 #if defined (TC_ALPHA) && ! defined (VMS)
6212 if (temp > 1)
6213 {
6214 align = ffs (temp) - 1;
6215 if (temp % (1 << align))
6216 abort ();
6217 }
6218 #endif
6219 }
6220
6221 *p = 0;
6222 symbolP = symbol_find_or_make (name);
6223 *p = c;
6224
6225 if (
6226 #if (defined (OBJ_AOUT) || defined (OBJ_MAYBE_AOUT) \
6227 || defined (OBJ_BOUT) || defined (OBJ_MAYBE_BOUT))
6228 #ifdef BFD_ASSEMBLER
6229 (OUTPUT_FLAVOR != bfd_target_aout_flavour
6230 || (S_GET_OTHER (symbolP) == 0 && S_GET_DESC (symbolP) == 0)) &&
6231 #else
6232 (S_GET_OTHER (symbolP) == 0 && S_GET_DESC (symbolP) == 0) &&
6233 #endif
6234 #endif
6235 (S_GET_SEGMENT (symbolP) == bss_seg || (!S_IS_DEFINED (symbolP) && S_GET_VALUE (symbolP) == 0)))
6236 {
6237 char *pfrag;
6238
6239 subseg_set (bss_seg, 1);
6240
6241 if (align)
6242 frag_align (align, 0, 0);
6243
6244 /* Detach from old frag. */
6245 if (S_GET_SEGMENT (symbolP) == bss_seg)
6246 symbol_get_frag (symbolP)->fr_symbol = NULL;
6247
6248 symbol_set_frag (symbolP, frag_now);
6249 pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, (offsetT) temp, NULL);
6250 *pfrag = 0;
6251
6252
6253 S_SET_SEGMENT (symbolP, bss_seg);
6254
6255 #ifdef OBJ_COFF
6256 /* The symbol may already have been created with a preceding
6257 ".globl" directive -- be careful not to step on storage class
6258 in that case. Otherwise, set it to static. */
6259 if (S_GET_STORAGE_CLASS (symbolP) != C_EXT)
6260 {
6261 S_SET_STORAGE_CLASS (symbolP, C_STAT);
6262 }
6263 #endif /* OBJ_COFF */
6264
6265 #ifdef S_SET_SIZE
6266 S_SET_SIZE (symbolP, temp);
6267 #endif
6268 }
6269 else
6270 as_bad (_("symbol `%s' is already defined"), S_GET_NAME (symbolP));
6271
6272 subseg_set (current_seg, current_subseg);
6273
6274 demand_empty_rest_of_line ();
6275 }
6276
6277 static void
6278 s3_insert_reg (const struct s3_reg_entry *r, struct hash_control *htab)
6279 {
6280 int i = 0;
6281 int len = strlen (r->name) + 2;
6282 char *buf = xmalloc (len);
6283 char *buf2 = xmalloc (len);
6284
6285 strcpy (buf + i, r->name);
6286 for (i = 0; buf[i]; i++)
6287 {
6288 buf2[i] = TOUPPER (buf[i]);
6289 }
6290 buf2[i] = '\0';
6291
6292 hash_insert (htab, buf, (void *) r);
6293 hash_insert (htab, buf2, (void *) r);
6294 }
6295
6296 static void
6297 s3_build_reg_hsh (struct s3_reg_map *map)
6298 {
6299 const struct s3_reg_entry *r;
6300
6301 if ((map->htab = hash_new ()) == NULL)
6302 {
6303 as_fatal (_("virtual memory exhausted"));
6304 }
6305 for (r = map->names; r->name != NULL; r++)
6306 {
6307 s3_insert_reg (r, map->htab);
6308 }
6309 }
6310
6311 /* Iterate over the base tables to create the instruction patterns. */
6312 static void
6313 s3_build_score_ops_hsh (void)
6314 {
6315 unsigned int i;
6316 static struct obstack insn_obstack;
6317
6318 obstack_begin (&insn_obstack, 4000);
6319 for (i = 0; i < sizeof (s3_score_insns) / sizeof (struct s3_asm_opcode); i++)
6320 {
6321 const struct s3_asm_opcode *insn = s3_score_insns + i;
6322 unsigned len = strlen (insn->template_name);
6323 struct s3_asm_opcode *new_opcode;
6324 char *template_name;
6325 new_opcode = (struct s3_asm_opcode *)
6326 obstack_alloc (&insn_obstack, sizeof (struct s3_asm_opcode));
6327 template_name = (char *) obstack_alloc (& insn_obstack, len + 1);
6328
6329 strcpy (template_name, insn->template_name);
6330 new_opcode->template_name = template_name;
6331 new_opcode->parms = insn->parms;
6332 new_opcode->value = insn->value;
6333 new_opcode->relax_value = insn->relax_value;
6334 new_opcode->type = insn->type;
6335 new_opcode->bitmask = insn->bitmask;
6336 hash_insert (s3_score_ops_hsh, new_opcode->template_name,
6337 (void *) new_opcode);
6338 }
6339 }
6340
6341 static void
6342 s3_build_dependency_insn_hsh (void)
6343 {
6344 unsigned int i;
6345 static struct obstack dependency_obstack;
6346
6347 obstack_begin (&dependency_obstack, 4000);
6348 for (i = 0; i < sizeof (s3_insn_to_dependency_table) / sizeof (s3_insn_to_dependency_table[0]); i++)
6349 {
6350 const struct s3_insn_to_dependency *tmp = s3_insn_to_dependency_table + i;
6351 unsigned len = strlen (tmp->insn_name);
6352 struct s3_insn_to_dependency *new_i2n;
6353
6354 new_i2n = (struct s3_insn_to_dependency *)
6355 obstack_alloc (&dependency_obstack,
6356 sizeof (struct s3_insn_to_dependency));
6357 new_i2n->insn_name = (char *) obstack_alloc (&dependency_obstack,
6358 len + 1);
6359
6360 strcpy (new_i2n->insn_name, tmp->insn_name);
6361 new_i2n->type = tmp->type;
6362 hash_insert (s3_dependency_insn_hsh, new_i2n->insn_name,
6363 (void *) new_i2n);
6364 }
6365 }
6366
6367 static void
6368 s_score_bss (int ignore ATTRIBUTE_UNUSED)
6369 {
6370 if (score3)
6371 return s3_s_score_bss (ignore);
6372 else
6373 return s7_s_score_bss (ignore);
6374 }
6375
6376 static void
6377 s_score_text (int ignore)
6378 {
6379 if (score3)
6380 return s3_s_score_text (ignore);
6381 else
6382 return s7_s_score_text (ignore);
6383 }
6384
6385 static void
6386 s_section (int ignore)
6387 {
6388 if (score3)
6389 return s3_score_s_section (ignore);
6390 else
6391 return s7_s_section (ignore);
6392 }
6393
6394 static void
6395 s_change_sec (int sec)
6396 {
6397 if (score3)
6398 return s3_s_change_sec (sec);
6399 else
6400 return s7_s_change_sec (sec);
6401 }
6402
6403 static void
6404 s_score_mask (int reg_type ATTRIBUTE_UNUSED)
6405 {
6406 if (score3)
6407 return s3_s_score_mask (reg_type);
6408 else
6409 return s7_s_score_mask (reg_type);
6410 }
6411
6412 static void
6413 s_score_ent (int aent)
6414 {
6415 if (score3)
6416 return s3_s_score_ent (aent);
6417 else
6418 return s7_s_score_ent (aent);
6419 }
6420
6421 static void
6422 s_score_frame (int ignore ATTRIBUTE_UNUSED)
6423 {
6424 if (score3)
6425 return s3_s_score_frame (ignore);
6426 else
6427 return s7_s_score_frame (ignore);
6428 }
6429
6430 static void
6431 s_score_end (int x ATTRIBUTE_UNUSED)
6432 {
6433 if (score3)
6434 return s3_s_score_end (x);
6435 else
6436 return s7_s_score_end (x);
6437 }
6438
6439 static void
6440 s_score_set (int x ATTRIBUTE_UNUSED)
6441 {
6442 if (score3)
6443 return s3_s_score_set (x);
6444 else
6445 return s7_s_score_set (x);
6446 }
6447
6448 static void
6449 s_score_cpload (int ignore ATTRIBUTE_UNUSED)
6450 {
6451 if (score3)
6452 return s3_s_score_cpload (ignore);
6453 else
6454 return s7_s_score_cpload (ignore);
6455 }
6456
6457 static void
6458 s_score_cprestore (int ignore ATTRIBUTE_UNUSED)
6459 {
6460 if (score3)
6461 return s3_s_score_cprestore (ignore);
6462 else
6463 return s7_s_score_cprestore (ignore);
6464 }
6465
6466 static void
6467 s_score_gpword (int ignore ATTRIBUTE_UNUSED)
6468 {
6469 if (score3)
6470 return s3_s_score_gpword (ignore);
6471 else
6472 return s7_s_score_gpword (ignore);
6473 }
6474
6475 static void
6476 s_score_cpadd (int ignore ATTRIBUTE_UNUSED)
6477 {
6478 if (score3)
6479 return s3_s_score_cpadd (ignore);
6480 else
6481 return s7_s_score_cpadd (ignore);
6482 }
6483
6484 static void
6485 s_score_lcomm (int bytes_p)
6486 {
6487 if (score3)
6488 return s3_s_score_lcomm (bytes_p);
6489 else
6490 return s7_s_score_lcomm (bytes_p);
6491 }
6492
6493 static void
6494 s3_assemble (char *str)
6495 {
6496 know (str);
6497 know (strlen (str) < s3_MAX_LITERAL_POOL_SIZE);
6498
6499 memset (&s3_inst, '\0', sizeof (s3_inst));
6500 if (s3_INSN_IS_PCE_P (str))
6501 s3_parse_pce_inst (str);
6502 else if (s3_INSN_IS_48_P (str))
6503 s3_parse_48_inst (str, TRUE);
6504 else
6505 s3_parse_16_32_inst (str, TRUE);
6506
6507 if (s3_inst.error)
6508 as_bad (_("%s -- `%s'"), s3_inst.error, s3_inst.str);
6509 }
6510
6511 static void
6512 s3_operand (expressionS * exp)
6513 {
6514 if (s3_in_my_get_expression)
6515 {
6516 exp->X_op = O_illegal;
6517 if (s3_inst.error == NULL)
6518 {
6519 s3_inst.error = _("bad expression");
6520 }
6521 }
6522 }
6523
6524 static void
6525 s3_begin (void)
6526 {
6527 unsigned int i;
6528 segT seg;
6529 subsegT subseg;
6530
6531 if ((s3_score_ops_hsh = hash_new ()) == NULL)
6532 as_fatal (_("virtual memory exhausted"));
6533
6534 s3_build_score_ops_hsh ();
6535
6536 if ((s3_dependency_insn_hsh = hash_new ()) == NULL)
6537 as_fatal (_("virtual memory exhausted"));
6538
6539 s3_build_dependency_insn_hsh ();
6540
6541 for (i = (int)s3_REG_TYPE_FIRST; i < (int)s3_REG_TYPE_MAX; i++)
6542 s3_build_reg_hsh (s3_all_reg_maps + i);
6543
6544 /* Initialize dependency vector. */
6545 s3_init_dependency_vector ();
6546
6547 bfd_set_arch_mach (stdoutput, TARGET_ARCH, 0);
6548 seg = now_seg;
6549 subseg = now_subseg;
6550 s3_pdr_seg = subseg_new (".pdr", (subsegT) 0);
6551 (void)bfd_set_section_flags (stdoutput, s3_pdr_seg, SEC_READONLY | SEC_RELOC | SEC_DEBUGGING);
6552 (void)bfd_set_section_alignment (stdoutput, s3_pdr_seg, 2);
6553 subseg_set (seg, subseg);
6554
6555 if (s3_USE_GLOBAL_POINTER_OPT)
6556 bfd_set_gp_size (stdoutput, s3_g_switch_value);
6557 }
6558
6559 static void
6560 s3_number_to_chars (char *buf, valueT val, int n)
6561 {
6562 if (target_big_endian)
6563 number_to_chars_bigendian (buf, val, n);
6564 else
6565 number_to_chars_littleendian (buf, val, n);
6566 }
6567
6568 static valueT
6569 s3_normal_chars_to_number (char *buf, int n)
6570 {
6571 valueT result = 0;
6572 unsigned char *where = (unsigned char *)buf;
6573
6574 if (target_big_endian)
6575 {
6576 while (n--)
6577 {
6578 result <<= 8;
6579 result |= (*where++ & 255);
6580 }
6581 }
6582 else
6583 {
6584 while (n--)
6585 {
6586 result <<= 8;
6587 result |= (where[n] & 255);
6588 }
6589 }
6590
6591 return result;
6592 }
6593
6594 static void
6595 s3_number_to_chars_littleendian (void *p, valueT data, int n)
6596 {
6597 char *buf = (char *) p;
6598
6599 switch (n)
6600 {
6601 case 4:
6602 md_number_to_chars (buf, data >> 16, 2);
6603 md_number_to_chars (buf + 2, data, 2);
6604 break;
6605 case 6:
6606 md_number_to_chars (buf, data >> 32, 2);
6607 md_number_to_chars (buf + 2, data >> 16, 2);
6608 md_number_to_chars (buf + 4, data, 2);
6609 break;
6610 default:
6611 /* Error routine. */
6612 as_bad_where (__FILE__, __LINE__, _("size is not 4 or 6"));
6613 break;
6614 }
6615 }
6616
6617 static valueT
6618 s3_chars_to_number_littleendian (const void *p, int n)
6619 {
6620 char *buf = (char *) p;
6621 valueT result = 0;
6622
6623 switch (n)
6624 {
6625 case 4:
6626 result = s3_normal_chars_to_number (buf, 2) << 16;
6627 result |= s3_normal_chars_to_number (buf + 2, 2);
6628 break;
6629 case 6:
6630 result = s3_normal_chars_to_number (buf, 2) << 32;
6631 result |= s3_normal_chars_to_number (buf + 2, 2) << 16;
6632 result |= s3_normal_chars_to_number (buf + 4, 2);
6633 break;
6634 default:
6635 /* Error routine. */
6636 as_bad_where (__FILE__, __LINE__, _("size is not 4 or 6"));
6637 break;
6638 }
6639
6640 return result;
6641 }
6642
6643 static void
6644 s3_md_number_to_chars (char *buf, valueT val, int n)
6645 {
6646 if (!target_big_endian && n >= 4)
6647 s3_number_to_chars_littleendian (buf, val, n);
6648 else
6649 md_number_to_chars (buf, val, n);
6650 }
6651
6652 static valueT
6653 s3_md_chars_to_number (char *buf, int n)
6654 {
6655 valueT result = 0;
6656
6657 if (!target_big_endian && n >= 4)
6658 result = s3_chars_to_number_littleendian (buf, n);
6659 else
6660 result = s3_normal_chars_to_number (buf, n);
6661
6662 return result;
6663 }
6664
6665 static char *
6666 s3_atof (int type, char *litP, int *sizeP)
6667 {
6668 int prec;
6669 LITTLENUM_TYPE words[s3_MAX_LITTLENUMS];
6670 char *t;
6671 int i;
6672
6673 switch (type)
6674 {
6675 case 'f':
6676 case 'F':
6677 case 's':
6678 case 'S':
6679 prec = 2;
6680 break;
6681 case 'd':
6682 case 'D':
6683 case 'r':
6684 case 'R':
6685 prec = 4;
6686 break;
6687 case 'x':
6688 case 'X':
6689 case 'p':
6690 case 'P':
6691 prec = 6;
6692 break;
6693 default:
6694 *sizeP = 0;
6695 return _("bad call to MD_ATOF()");
6696 }
6697
6698 t = atof_ieee (input_line_pointer, type, words);
6699 if (t)
6700 input_line_pointer = t;
6701 *sizeP = prec * 2;
6702
6703 if (target_big_endian)
6704 {
6705 for (i = 0; i < prec; i++)
6706 {
6707 s3_md_number_to_chars (litP, (valueT) words[i], 2);
6708 litP += 2;
6709 }
6710 }
6711 else
6712 {
6713 for (i = 0; i < prec; i += 2)
6714 {
6715 s3_md_number_to_chars (litP, (valueT) words[i + 1], 2);
6716 s3_md_number_to_chars (litP + 2, (valueT) words[i], 2);
6717 litP += 4;
6718 }
6719 }
6720
6721 return 0;
6722 }
6723
6724 static void
6725 s3_frag_check (fragS * fragp ATTRIBUTE_UNUSED)
6726 {
6727 know (fragp->insn_addr <= s3_RELAX_PAD_BYTE);
6728 }
6729
6730 static void
6731 s3_validate_fix (fixS *fixP)
6732 {
6733 fixP->fx_where += fixP->fx_frag->insn_addr;
6734 }
6735
6736 static int
6737 s3_force_relocation (struct fix *fixp)
6738 {
6739 int retval = 0;
6740
6741 if (fixp->fx_r_type == BFD_RELOC_VTABLE_INHERIT
6742 || fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY
6743 || fixp->fx_r_type == BFD_RELOC_SCORE_JMP
6744 || fixp->fx_r_type == BFD_RELOC_SCORE_BRANCH
6745 || fixp->fx_r_type == BFD_RELOC_SCORE16_JMP
6746 || fixp->fx_r_type == BFD_RELOC_SCORE16_BRANCH
6747 || fixp->fx_r_type == BFD_RELOC_SCORE_BCMP)
6748 {
6749 retval = 1;
6750 }
6751 return retval;
6752 }
6753
6754 static bfd_boolean
6755 s3_fix_adjustable (fixS * fixP)
6756 {
6757 if (fixP->fx_addsy == NULL)
6758 {
6759 return 1;
6760 }
6761 else if (OUTPUT_FLAVOR == bfd_target_elf_flavour
6762 && (S_IS_EXTERNAL (fixP->fx_addsy) || S_IS_WEAK (fixP->fx_addsy)))
6763 {
6764 return 0;
6765 }
6766 else if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT
6767 || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY
6768 || fixP->fx_r_type == BFD_RELOC_SCORE_JMP
6769 || fixP->fx_r_type == BFD_RELOC_SCORE16_JMP)
6770 {
6771 return 0;
6772 }
6773
6774 return 1;
6775 }
6776
6777 static void
6778 s3_elf_final_processing (void)
6779 {
6780 unsigned long val = 0;
6781
6782 if (score3)
6783 val = E_SCORE_MACH_SCORE3;
6784 else if (score7)
6785 val = E_SCORE_MACH_SCORE7;
6786
6787 elf_elfheader (stdoutput)->e_machine = EM_SCORE;
6788 elf_elfheader (stdoutput)->e_flags &= ~EF_SCORE_MACH;
6789 elf_elfheader (stdoutput)->e_flags |= val;
6790
6791 if (s3_fix_data_dependency == 1)
6792 {
6793 elf_elfheader (stdoutput)->e_flags |= EF_SCORE_FIXDEP;
6794 }
6795 if (s3_score_pic == s3_PIC)
6796 {
6797 elf_elfheader (stdoutput)->e_flags |= EF_SCORE_PIC;
6798 }
6799 }
6800
6801 static int
6802 s3_judge_size_before_relax (fragS * fragp, asection *sec)
6803 {
6804 int change = 0;
6805
6806 if (s3_score_pic == s3_NO_PIC)
6807 change = s3_nopic_need_relax (fragp->fr_symbol, 0);
6808 else
6809 change = s3_pic_need_relax (fragp->fr_symbol, sec);
6810
6811 if (change == 1)
6812 {
6813 /* Only at the first time determining whether s3_GP instruction relax should be done,
6814 return the difference between insntruction size and instruction relax size. */
6815 if (fragp->fr_opcode == NULL)
6816 {
6817 fragp->fr_fix = s3_RELAX_NEW (fragp->fr_subtype);
6818 fragp->fr_opcode = fragp->fr_literal + s3_RELAX_RELOC1 (fragp->fr_subtype);
6819 return s3_RELAX_NEW (fragp->fr_subtype) - s3_RELAX_OLD (fragp->fr_subtype);
6820 }
6821 }
6822
6823 return 0;
6824 }
6825
6826 static int
6827 s3_estimate_size_before_relax (fragS * fragp, asection * sec ATTRIBUTE_UNUSED)
6828 {
6829 if ((s3_RELAX_TYPE (fragp->fr_subtype) == Insn_GP)
6830 || (s3_RELAX_TYPE (fragp->fr_subtype) == Insn_PIC))
6831 return s3_judge_size_before_relax (fragp, sec);
6832
6833 return 0;
6834 }
6835
6836 static int
6837 s3_relax_branch_inst32 (fragS * fragp)
6838 {
6839 fragp->fr_opcode = NULL;
6840 return 0;
6841 }
6842
6843 static int
6844 s3_relax_branch_inst16 (fragS * fragp)
6845 {
6846 int relaxable_p = 0;
6847 int frag_addr = fragp->fr_address + fragp->insn_addr;
6848 addressT symbol_address = 0;
6849 symbolS *s;
6850 offsetT offset;
6851 long value;
6852 unsigned long inst_value;
6853
6854 relaxable_p = s3_RELAX_OPT (fragp->fr_subtype);
6855
6856 s = fragp->fr_symbol;
6857 if (s == NULL)
6858 frag_addr = 0;
6859 else
6860 {
6861 if (s->bsym != 0)
6862 symbol_address = (addressT) s->sy_frag->fr_address;
6863 }
6864
6865 inst_value = s3_md_chars_to_number (fragp->fr_literal, s3_INSN16_SIZE);
6866 offset = (inst_value & 0x1ff) << 1;
6867 if ((offset & 0x200) == 0x200)
6868 offset |= 0xfffffc00;
6869
6870 value = offset + symbol_address - frag_addr;
6871
6872 if (relaxable_p
6873 && (!((value & 0xfffffe00) == 0 || (value & 0xfffffe00) == 0xfffffe00))
6874 && fragp->fr_fix == 2
6875 && (s->bsym != NULL)
6876 && (S_IS_DEFINED (s)
6877 && !S_IS_COMMON (s)
6878 && !S_IS_EXTERNAL (s)))
6879 {
6880 /* Relax branch 32 to branch 16. */
6881 fragp->fr_opcode = fragp->fr_literal + s3_RELAX_RELOC1 (fragp->fr_subtype);
6882 fragp->fr_fix = 4;
6883 return 2;
6884 }
6885 else
6886 return 0;
6887 }
6888
6889 static int
6890 s3_relax_cmpbranch_inst32 (fragS * fragp)
6891 {
6892 int relaxable_p = 0;
6893 symbolS *s;
6894 /* For sign bit. */
6895 long offset;
6896 long frag_addr = fragp->fr_address + fragp->insn_addr;
6897 long symbol_address = 0;
6898 long value;
6899 unsigned long inst_value;
6900
6901 relaxable_p = s3_RELAX_OPT (fragp->fr_subtype);
6902
6903 s = fragp->fr_symbol;
6904 if (s == NULL)
6905 frag_addr = 0;
6906 else
6907 {
6908 if (s->bsym != 0)
6909 symbol_address = (addressT) s->sy_frag->fr_address;
6910 }
6911
6912 inst_value = s3_md_chars_to_number (fragp->fr_literal, s3_INSN_SIZE);
6913 offset = (inst_value & 0x1)
6914 | (((inst_value >> 7) & 0x7) << 1)
6915 | (((inst_value >> 21) & 0x1f) << 4);
6916 offset <<= 1;
6917 if ((offset & 0x200) == 0x200)
6918 offset |= 0xfffffe00;
6919
6920 value = offset + symbol_address - frag_addr;
6921 /* change the order of judging rule is because
6922 1.not defined symbol or common sysbol or external symbol will change
6923 bcmp to cmp!+beq/bne ,here need to record fragp->fr_opcode
6924 2.if the flow is as before : it will results to recursive loop
6925 */
6926 if (fragp->fr_fix == 6)
6927 {
6928 /* Have already relaxed! Just return 0 to terminate the loop. */
6929 return 0;
6930 }
6931 /* need to translate when extern or not defind or common sysbol */
6932 else if ((relaxable_p
6933 && (!((value & 0xfffffe00) == 0 || (value & 0xfffffe00) == 0xfffffe00))
6934 && fragp->fr_fix == 4
6935 && (s->bsym != NULL))
6936 || !S_IS_DEFINED (s)
6937 ||S_IS_COMMON (s)
6938 ||S_IS_EXTERNAL (s))
6939 {
6940 fragp->fr_opcode = fragp->fr_literal + s3_RELAX_RELOC1 (fragp->fr_subtype);
6941 fragp->fr_fix = 6;
6942 return 2;
6943 }
6944
6945 else
6946 {
6947 /* Never relax. Modify fr_opcode to NULL to verify it's value in
6948 md_apply_fix. */
6949 fragp->fr_opcode = NULL;
6950 return 0;
6951 }
6952 }
6953
6954
6955 static int
6956 s3_relax_other_inst32 (fragS * fragp)
6957 {
6958 int relaxable_p = s3_RELAX_OPT (fragp->fr_subtype);
6959
6960 if (relaxable_p
6961 && fragp->fr_fix == 4)
6962 {
6963 fragp->fr_opcode = fragp->fr_literal + s3_RELAX_RELOC1 (fragp->fr_subtype);
6964 fragp->fr_fix = 2;
6965 return -2;
6966 }
6967 else
6968 return 0;
6969 }
6970
6971 static int
6972 s3_relax_gp_and_pic_inst32 (void)
6973 {
6974 /* md_estimate_size_before_relax has already relaxed s3_GP and s3_PIC
6975 instructions. We don't change relax size here. */
6976 return 0;
6977 }
6978
6979 static int
6980 s3_relax_frag (asection * sec ATTRIBUTE_UNUSED, fragS * fragp, long stretch ATTRIBUTE_UNUSED)
6981 {
6982 int grows = 0;
6983 int adjust_align_p = 0;
6984
6985 /* If the instruction address is odd, make it half word align first. */
6986 if ((fragp->fr_address) % 2 != 0)
6987 {
6988 if ((fragp->fr_address + fragp->insn_addr) % 2 != 0)
6989 {
6990 fragp->insn_addr = 1;
6991 grows += 1;
6992 adjust_align_p = 1;
6993 }
6994 }
6995
6996 switch (s3_RELAX_TYPE (fragp->fr_subtype))
6997 {
6998 case PC_DISP19div2:
6999 grows += s3_relax_branch_inst32 (fragp);
7000 break;
7001
7002 case PC_DISP8div2:
7003 grows += s3_relax_branch_inst16 (fragp);
7004 break;
7005
7006 case Insn_BCMP :
7007 grows += s3_relax_cmpbranch_inst32 (fragp);
7008 break;
7009
7010 case Insn_GP:
7011 case Insn_PIC:
7012 grows += s3_relax_gp_and_pic_inst32 ();
7013 break;
7014
7015 default:
7016 grows += s3_relax_other_inst32 (fragp);
7017 break;
7018 }
7019
7020 /* newly added */
7021 if (adjust_align_p && fragp->insn_addr)
7022 {
7023 fragp->fr_fix += fragp->insn_addr;
7024 }
7025
7026 return grows;
7027 }
7028
7029 static void
7030 s3_convert_frag (bfd * abfd ATTRIBUTE_UNUSED, segT sec ATTRIBUTE_UNUSED, fragS * fragp)
7031 {
7032 int r_old;
7033 int r_new;
7034 char backup[20];
7035 fixS *fixp;
7036
7037 r_old = s3_RELAX_OLD (fragp->fr_subtype);
7038 r_new = s3_RELAX_NEW (fragp->fr_subtype);
7039
7040 /* fragp->fr_opcode indicates whether this frag should be relaxed. */
7041 if (fragp->fr_opcode == NULL)
7042 {
7043 memcpy (backup, fragp->fr_literal, r_old);
7044 fragp->fr_fix = r_old;
7045 }
7046 else
7047 {
7048 memcpy (backup, fragp->fr_literal + r_old, r_new);
7049 fragp->fr_fix = r_new;
7050 }
7051
7052 fixp = fragp->tc_frag_data.fixp;
7053 while (fixp && fixp->fx_frag == fragp && fixp->fx_where < r_old)
7054 {
7055 if (fragp->fr_opcode)
7056 fixp->fx_done = 1;
7057 fixp = fixp->fx_next;
7058 }
7059 while (fixp && fixp->fx_frag == fragp)
7060 {
7061 if (fragp->fr_opcode)
7062 fixp->fx_where -= r_old + fragp->insn_addr;
7063 else
7064 fixp->fx_done = 1;
7065 fixp = fixp->fx_next;
7066 }
7067
7068 if (fragp->insn_addr)
7069 {
7070 s3_md_number_to_chars (fragp->fr_literal, 0x0, fragp->insn_addr);
7071 }
7072 memcpy (fragp->fr_literal + fragp->insn_addr, backup, fragp->fr_fix);
7073 fragp->fr_fix += fragp->insn_addr;
7074 }
7075
7076 static long
7077 s3_pcrel_from (fixS * fixP)
7078 {
7079 long retval = 0;
7080
7081 if (fixP->fx_addsy
7082 && (S_GET_SEGMENT (fixP->fx_addsy) == undefined_section)
7083 && (fixP->fx_subsy == NULL))
7084 {
7085 retval = 0;
7086 }
7087 else
7088 {
7089 retval = fixP->fx_where + fixP->fx_frag->fr_address;
7090 }
7091
7092 return retval;
7093 }
7094
7095 static valueT
7096 s3_section_align (segT segment ATTRIBUTE_UNUSED, valueT size)
7097 {
7098 int align = bfd_get_section_alignment (stdoutput, segment);
7099 return ((size + (1 << align) - 1) & (-1 << align));
7100 }
7101
7102 static void
7103 s3_apply_fix (fixS *fixP, valueT *valP, segT seg)
7104 {
7105 offsetT value = *valP;
7106 offsetT newval;
7107 offsetT content;
7108 unsigned short HI, LO;
7109
7110 char *buf = fixP->fx_frag->fr_literal + fixP->fx_where;
7111
7112 gas_assert (fixP->fx_r_type < BFD_RELOC_UNUSED);
7113 if (fixP->fx_addsy == 0 && !fixP->fx_pcrel)
7114 {
7115 if (fixP->fx_r_type != BFD_RELOC_SCORE_DUMMY_HI16)
7116 fixP->fx_done = 1;
7117 }
7118
7119 /* If this symbol is in a different section then we need to leave it for
7120 the linker to deal with. Unfortunately, md_pcrel_from can't tell,
7121 so we have to undo it's effects here. */
7122 if (fixP->fx_pcrel)
7123 {
7124 if (fixP->fx_addsy != NULL
7125 && S_IS_DEFINED (fixP->fx_addsy)
7126 && S_GET_SEGMENT (fixP->fx_addsy) != seg)
7127 value += md_pcrel_from (fixP);
7128 }
7129
7130 /* Remember value for emit_reloc. */
7131 fixP->fx_addnumber = value;
7132
7133 switch (fixP->fx_r_type)
7134 {
7135 case BFD_RELOC_HI16_S:
7136 if (fixP->fx_done) /* For la rd, imm32. */
7137 {
7138 newval = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7139 HI = (value) >> 16; /* mul to 2, then take the hi 16 bit. */
7140 newval |= (HI & 0x3fff) << 1;
7141 newval |= ((HI >> 14) & 0x3) << 16;
7142 s3_md_number_to_chars (buf, newval, s3_INSN_SIZE);
7143 }
7144 break;
7145 case BFD_RELOC_LO16:
7146 if (fixP->fx_done) /* For la rd, imm32. */
7147 {
7148 newval = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7149 LO = (value) & 0xffff;
7150 newval |= (LO & 0x3fff) << 1; /* 16 bit: imm -> 14 bit in lo, 2 bit in hi. */
7151 newval |= ((LO >> 14) & 0x3) << 16;
7152 s3_md_number_to_chars (buf, newval, s3_INSN_SIZE);
7153 }
7154 break;
7155 case BFD_RELOC_SCORE_JMP:
7156 {
7157 content = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7158 value = fixP->fx_offset;
7159 content = (content & ~0x3ff7ffe) | ((value << 1) & 0x3ff0000) | (value & 0x7fff);
7160 s3_md_number_to_chars (buf, content, s3_INSN_SIZE);
7161 }
7162 break;
7163
7164 case BFD_RELOC_SCORE_IMM30:
7165 {
7166 content = s3_md_chars_to_number (buf, s3_INSN48_SIZE);
7167 value = fixP->fx_offset;
7168 value >>= 2;
7169 content = (content & ~0x7f7fff7f80LL)
7170 | (((value & 0xff) >> 0) << 7)
7171 | (((value & 0x7fff00) >> 8) << 16)
7172 | (((value & 0x3f800000) >> 23) << 32);
7173 s3_md_number_to_chars (buf, content, s3_INSN48_SIZE);
7174 break;
7175 }
7176
7177 case BFD_RELOC_SCORE_IMM32:
7178 {
7179 content = s3_md_chars_to_number (buf, s3_INSN48_SIZE);
7180 value = fixP->fx_offset;
7181 content = (content & ~0x7f7fff7fe0LL)
7182 | ((value & 0x3ff) << 5)
7183 | (((value >> 10) & 0x7fff) << 16)
7184 | (((value >> 25) & 0x7f) << 32);
7185 s3_md_number_to_chars (buf, content, s3_INSN48_SIZE);
7186 break;
7187 }
7188
7189 case BFD_RELOC_SCORE_BRANCH:
7190 if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) || (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy)))
7191 value = fixP->fx_offset;
7192 else
7193 fixP->fx_done = 1;
7194
7195 content = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7196
7197 /* Don't check c-bit. */
7198 if (fixP->fx_frag->fr_opcode != 0)
7199 {
7200 if ((value & 0xfffffe00) != 0 && (value & 0xfffffe00) != 0xfffffe00)
7201 {
7202 as_bad_where (fixP->fx_file, fixP->fx_line,
7203 _(" branch relocation truncate (0x%x) [-2^9 ~ 2^9]"), (unsigned int)value);
7204 return;
7205 }
7206 content = s3_md_chars_to_number (buf, s3_INSN16_SIZE);
7207 content &= 0xfe00;
7208 content = (content & 0xfe00) | ((value >> 1) & 0x1ff);
7209 s3_md_number_to_chars (buf, content, s3_INSN16_SIZE);
7210 fixP->fx_r_type = BFD_RELOC_SCORE16_BRANCH;
7211 fixP->fx_size = 2;
7212 }
7213 else
7214 {
7215 if ((value & 0xfff80000) != 0 && (value & 0xfff80000) != 0xfff80000)
7216 {
7217 as_bad_where (fixP->fx_file, fixP->fx_line,
7218 _(" branch relocation truncate (0x%x) [-2^19 ~ 2^19]"), (unsigned int)value);
7219 return;
7220 }
7221 content = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7222 content &= 0xfc00fc01;
7223 content = (content & 0xfc00fc01) | (value & 0x3fe) | ((value << 6) & 0x3ff0000);
7224 s3_md_number_to_chars (buf, content, s3_INSN_SIZE);
7225 }
7226 break;
7227 case BFD_RELOC_SCORE16_JMP:
7228 content = s3_md_chars_to_number (buf, s3_INSN16_SIZE);
7229 content &= 0xf001;
7230 value = fixP->fx_offset & 0xfff;
7231 content = (content & 0xfc01) | (value & 0xffe);
7232 s3_md_number_to_chars (buf, content, s3_INSN16_SIZE);
7233 break;
7234 case BFD_RELOC_SCORE16_BRANCH:
7235 content = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7236 /* Don't check c-bit. */
7237 if (fixP->fx_frag->fr_opcode != 0)
7238 {
7239 if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) ||
7240 (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy)))
7241 value = fixP->fx_offset;
7242 else
7243 fixP->fx_done = 1;
7244 if ((value & 0xfff80000) != 0 && (value & 0xfff80000) != 0xfff80000)
7245 {
7246 as_bad_where (fixP->fx_file, fixP->fx_line,
7247 _(" branch relocation truncate (0x%x) [-2^19 ~ 2^19]"), (unsigned int)value);
7248 return;
7249 }
7250 content = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7251 content = (content & 0xfc00fc01) | (value & 0x3fe) | ((value << 6) & 0x3ff0000);
7252 s3_md_number_to_chars (buf, content, s3_INSN_SIZE);
7253 fixP->fx_r_type = BFD_RELOC_SCORE_BRANCH;
7254 fixP->fx_size = 4;
7255 break;
7256 }
7257 else
7258 {
7259 /* In differnt section. */
7260 if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) ||
7261 (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy)))
7262 value = fixP->fx_offset;
7263 else
7264 fixP->fx_done = 1;
7265
7266 if ((value & 0xfffffe00) != 0 && (value & 0xfffffe00) != 0xfffffe00)
7267 {
7268 as_bad_where (fixP->fx_file, fixP->fx_line,
7269 _(" branch relocation truncate (0x%x) [-2^9 ~ 2^9]"), (unsigned int)value);
7270 return;
7271 }
7272
7273 content = s3_md_chars_to_number (buf, s3_INSN16_SIZE);
7274 content = (content & 0xfe00) | ((value >> 1) & 0x1ff);
7275 s3_md_number_to_chars (buf, content, s3_INSN16_SIZE);
7276 break;
7277 }
7278
7279 break;
7280
7281 case BFD_RELOC_SCORE_BCMP:
7282 if (fixP->fx_frag->fr_opcode != 0)
7283 {
7284 char *buf_ptr = buf;
7285 buf_ptr += 2;
7286
7287 if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) || (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy)))
7288 value = fixP->fx_offset;
7289 else
7290 fixP->fx_done = 1;
7291
7292 /* NOTE!!!
7293 bcmp -> cmp! and branch, so value -= 2. */
7294 value -= 2;
7295
7296 if ((value & 0xfff80000) != 0 && (value & 0xfff80000) != 0xfff80000)
7297 {
7298 as_bad_where (fixP->fx_file, fixP->fx_line,
7299 _(" branch relocation truncate (0x%x) [-2^19 ~ 2^19]"), (unsigned int)value);
7300 return;
7301 }
7302
7303 content = s3_md_chars_to_number (buf_ptr, s3_INSN_SIZE);
7304 content &= 0xfc00fc01;
7305 content = (content & 0xfc00fc01) | (value & 0x3fe) | ((value << 6) & 0x3ff0000);
7306 s3_md_number_to_chars (buf_ptr, content, s3_INSN_SIZE);
7307 /* change relocation type to BFD_RELOC_SCORE_BRANCH */
7308 fixP->fx_r_type = BFD_RELOC_SCORE_BRANCH;
7309 fixP->fx_where+=2; /* first insn is cmp! , the second insn is beq/bne */
7310 break;
7311 }
7312 else
7313 {
7314 if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) || (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy)))
7315 value = fixP->fx_offset;
7316 else
7317 fixP->fx_done = 1;
7318
7319 content = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7320
7321 if ((value & 0xfffffe00) != 0 && (value & 0xfffffe00) != 0xfffffe00)
7322 {
7323 as_bad_where (fixP->fx_file, fixP->fx_line,
7324 _(" branch relocation truncate (0x%x) [-2^9 ~ 2^9]"), (unsigned int)value);
7325 return;
7326 }
7327
7328 value >>= 1;
7329 content &= ~0x03e00381;
7330 content = content
7331 | (value & 0x1)
7332 | (((value & 0xe) >> 1) << 7)
7333 | (((value & 0x1f0) >> 4) << 21);
7334
7335 s3_md_number_to_chars (buf, content, s3_INSN_SIZE);
7336 break;
7337 }
7338
7339 case BFD_RELOC_8:
7340 if (fixP->fx_done || fixP->fx_pcrel)
7341 s3_md_number_to_chars (buf, value, 1);
7342 #ifdef OBJ_ELF
7343 else
7344 {
7345 value = fixP->fx_offset;
7346 s3_md_number_to_chars (buf, value, 1);
7347 }
7348 #endif
7349 break;
7350
7351 case BFD_RELOC_16:
7352 if (fixP->fx_done || fixP->fx_pcrel)
7353 s3_md_number_to_chars (buf, value, 2);
7354 #ifdef OBJ_ELF
7355 else
7356 {
7357 value = fixP->fx_offset;
7358 s3_md_number_to_chars (buf, value, 2);
7359 }
7360 #endif
7361 break;
7362 case BFD_RELOC_RVA:
7363 case BFD_RELOC_32:
7364 if (fixP->fx_done || fixP->fx_pcrel)
7365 md_number_to_chars (buf, value, 4);
7366 #ifdef OBJ_ELF
7367 else
7368 {
7369 value = fixP->fx_offset;
7370 md_number_to_chars (buf, value, 4);
7371 }
7372 #endif
7373 break;
7374 case BFD_RELOC_VTABLE_INHERIT:
7375 fixP->fx_done = 0;
7376 if (fixP->fx_addsy && !S_IS_DEFINED (fixP->fx_addsy) && !S_IS_WEAK (fixP->fx_addsy))
7377 S_SET_WEAK (fixP->fx_addsy);
7378 break;
7379 case BFD_RELOC_VTABLE_ENTRY:
7380 fixP->fx_done = 0;
7381 break;
7382 case BFD_RELOC_SCORE_GPREL15:
7383 content = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7384 /* c-bit. */
7385 if ((fixP->fx_frag->fr_opcode != 0) && ((content & 0xfc1c8000) != 0x94180000))
7386 fixP->fx_r_type = BFD_RELOC_NONE;
7387 fixP->fx_done = 0;
7388 break;
7389 case BFD_RELOC_SCORE_GOT15:
7390 case BFD_RELOC_SCORE_DUMMY_HI16:
7391 case BFD_RELOC_SCORE_GOT_LO16:
7392 case BFD_RELOC_SCORE_CALL15:
7393 case BFD_RELOC_GPREL32:
7394 break;
7395 case BFD_RELOC_NONE:
7396 default:
7397 as_bad_where (fixP->fx_file, fixP->fx_line, _("bad relocation fixup type (%d)"), fixP->fx_r_type);
7398 }
7399 }
7400
7401 static arelent **
7402 s3_gen_reloc (asection * section ATTRIBUTE_UNUSED, fixS * fixp)
7403 {
7404 static arelent *retval[MAX_RELOC_EXPANSION + 1]; /* MAX_RELOC_EXPANSION equals 2. */
7405 arelent *reloc;
7406 bfd_reloc_code_real_type code;
7407 char *type;
7408 fragS *f;
7409 symbolS *s;
7410 expressionS e;
7411
7412 reloc = retval[0] = xmalloc (sizeof (arelent));
7413 retval[1] = NULL;
7414
7415 reloc->sym_ptr_ptr = xmalloc (sizeof (asymbol *));
7416 *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
7417 reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
7418 reloc->addend = fixp->fx_offset;
7419
7420 /* If this is a variant frag, we may need to adjust the existing
7421 reloc and generate a new one. */
7422 if (fixp->fx_frag->fr_opcode != NULL && (fixp->fx_r_type == BFD_RELOC_SCORE_GPREL15))
7423 {
7424 /* Update instruction imm bit. */
7425 offsetT newval;
7426 unsigned short off;
7427 char *buf;
7428
7429 buf = fixp->fx_frag->fr_literal + fixp->fx_frag->insn_addr;
7430 newval = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7431 off = fixp->fx_offset >> 16;
7432 newval |= (off & 0x3fff) << 1;
7433 newval |= ((off >> 14) & 0x3) << 16;
7434 s3_md_number_to_chars (buf, newval, s3_INSN_SIZE);
7435
7436 buf += s3_INSN_SIZE;
7437 newval = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7438 off = fixp->fx_offset & 0xffff;
7439 newval |= ((off & 0x3fff) << 1);
7440 newval |= (((off >> 14) & 0x3) << 16);
7441 s3_md_number_to_chars (buf, newval, s3_INSN_SIZE);
7442
7443 retval[1] = xmalloc (sizeof (arelent));
7444 retval[2] = NULL;
7445 retval[1]->sym_ptr_ptr = xmalloc (sizeof (asymbol *));
7446 *retval[1]->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
7447 retval[1]->address = (reloc->address + s3_RELAX_RELOC2 (fixp->fx_frag->fr_subtype));
7448
7449 f = fixp->fx_frag;
7450 s = f->fr_symbol;
7451 e = s->sy_value;
7452
7453 retval[1]->addend = 0;
7454 retval[1]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_LO16);
7455 gas_assert (retval[1]->howto != NULL);
7456
7457 fixp->fx_r_type = BFD_RELOC_HI16_S;
7458 }
7459
7460 code = fixp->fx_r_type;
7461 switch (fixp->fx_r_type)
7462 {
7463 case BFD_RELOC_32:
7464 if (fixp->fx_pcrel)
7465 {
7466 code = BFD_RELOC_32_PCREL;
7467 break;
7468 }
7469 case BFD_RELOC_HI16_S:
7470 case BFD_RELOC_LO16:
7471 case BFD_RELOC_SCORE_JMP:
7472 case BFD_RELOC_SCORE_BRANCH:
7473 case BFD_RELOC_SCORE16_JMP:
7474 case BFD_RELOC_SCORE16_BRANCH:
7475 case BFD_RELOC_SCORE_BCMP:
7476 case BFD_RELOC_VTABLE_ENTRY:
7477 case BFD_RELOC_VTABLE_INHERIT:
7478 case BFD_RELOC_SCORE_GPREL15:
7479 case BFD_RELOC_SCORE_GOT15:
7480 case BFD_RELOC_SCORE_DUMMY_HI16:
7481 case BFD_RELOC_SCORE_GOT_LO16:
7482 case BFD_RELOC_SCORE_CALL15:
7483 case BFD_RELOC_GPREL32:
7484 case BFD_RELOC_NONE:
7485 case BFD_RELOC_SCORE_IMM30:
7486 case BFD_RELOC_SCORE_IMM32:
7487 code = fixp->fx_r_type;
7488 break;
7489 default:
7490 type = _("<unknown>");
7491 as_bad_where (fixp->fx_file, fixp->fx_line,
7492 _("cannot represent %s relocation in this object file format"), type);
7493 return NULL;
7494 }
7495
7496 reloc->howto = bfd_reloc_type_lookup (stdoutput, code);
7497 if (reloc->howto == NULL)
7498 {
7499 as_bad_where (fixp->fx_file, fixp->fx_line,
7500 _("cannot represent %s relocation in this object file format1"),
7501 bfd_get_reloc_code_name (code));
7502 return NULL;
7503 }
7504 /* HACK: Since arm ELF uses Rel instead of Rela, encode the
7505 vtable entry to be used in the relocation's section offset. */
7506 if (fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
7507 reloc->address = fixp->fx_offset;
7508
7509 return retval;
7510 }
7511
7512 void
7513 md_assemble (char *str)
7514 {
7515 if (score3)
7516 s3_assemble (str);
7517 else
7518 s7_assemble (str);
7519 }
7520
7521 /* We handle all bad expressions here, so that we can report the faulty
7522 instruction in the error message. */
7523 void
7524 md_operand (expressionS * exp)
7525 {
7526 if (score3)
7527 s3_operand (exp);
7528 else
7529 s7_operand (exp);
7530 }
7531
7532 /* Turn an integer of n bytes (in val) into a stream of bytes appropriate
7533 for use in the a.out file, and stores them in the array pointed to by buf.
7534 This knows about the endian-ness of the target machine and does
7535 THE RIGHT THING, whatever it is. Possible values for n are 1 (byte)
7536 2 (short) and 4 (long) Floating numbers are put out as a series of
7537 LITTLENUMS (shorts, here at least). */
7538 void
7539 md_number_to_chars (char *buf, valueT val, int n)
7540 {
7541 if (score3)
7542 s3_number_to_chars (buf, val, n);
7543 else
7544 s7_number_to_chars (buf, val, n);
7545 }
7546
7547 /* Turn a string in input_line_pointer into a floating point constant
7548 of type TYPE, and store the appropriate bytes in *LITP. The number
7549 of LITTLENUMS emitted is stored in *SIZEP. An error message is
7550 returned, or NULL on OK.
7551
7552 Note that fp constants aren't represent in the normal way on the ARM.
7553 In big endian mode, things are as expected. However, in little endian
7554 mode fp constants are big-endian word-wise, and little-endian byte-wise
7555 within the words. For example, (double) 1.1 in big endian mode is
7556 the byte sequence 3f f1 99 99 99 99 99 9a, and in little endian mode is
7557 the byte sequence 99 99 f1 3f 9a 99 99 99. */
7558 char *
7559 md_atof (int type, char *litP, int *sizeP)
7560 {
7561 if (score3)
7562 return s3_atof (type, litP, sizeP);
7563 else
7564 return s7_atof (type, litP, sizeP);
7565 }
7566
7567 void
7568 score_frag_check (fragS * fragp ATTRIBUTE_UNUSED)
7569 {
7570 if (score3)
7571 s3_frag_check (fragp);
7572 else
7573 s7_frag_check (fragp);
7574 }
7575
7576 /* Implementation of TC_VALIDATE_FIX.
7577 Called before md_apply_fix() and after md_convert_frag(). */
7578 void
7579 score_validate_fix (fixS *fixP)
7580 {
7581 if (score3)
7582 s3_validate_fix (fixP);
7583 else
7584 s7_validate_fix (fixP);
7585 }
7586
7587 int
7588 score_force_relocation (struct fix *fixp)
7589 {
7590 if (score3)
7591 return s3_force_relocation (fixp);
7592 else
7593 return s7_force_relocation (fixp);
7594 }
7595
7596 /* Implementation of md_frag_check.
7597 Called after md_convert_frag(). */
7598 bfd_boolean
7599 score_fix_adjustable (fixS * fixP)
7600 {
7601 if (score3)
7602 return s3_fix_adjustable (fixP);
7603 else
7604 return s7_fix_adjustable (fixP);
7605 }
7606
7607 void
7608 score_elf_final_processing (void)
7609 {
7610 if (score3)
7611 s3_elf_final_processing ();
7612 else
7613 s7_elf_final_processing ();
7614 }
7615
7616 /* In this function, we determine whether s3_GP instruction should do relaxation,
7617 for the label being against was known now.
7618 Doing this here but not in md_relax_frag() can induce iteration times
7619 in stage of doing relax. */
7620 int
7621 md_estimate_size_before_relax (fragS * fragp, asection * sec ATTRIBUTE_UNUSED)
7622 {
7623 if (score3)
7624 return s3_estimate_size_before_relax (fragp, sec);
7625 else
7626 return s7_estimate_size_before_relax (fragp, sec);
7627 }
7628
7629 int
7630 score_relax_frag (asection * sec ATTRIBUTE_UNUSED, fragS * fragp, long stretch ATTRIBUTE_UNUSED)
7631 {
7632 if (score3)
7633 return s3_relax_frag (sec, fragp, stretch);
7634 else
7635 return s7_relax_frag (sec, fragp, stretch);
7636 }
7637
7638 void
7639 md_convert_frag (bfd * abfd ATTRIBUTE_UNUSED, segT sec ATTRIBUTE_UNUSED, fragS * fragp)
7640 {
7641 if (score3)
7642 return s3_convert_frag (abfd, sec, fragp);
7643 else
7644 return s7_convert_frag (abfd, sec, fragp);
7645 }
7646
7647 long
7648 md_pcrel_from (fixS * fixP)
7649 {
7650 if (score3)
7651 return s3_pcrel_from (fixP);
7652 else
7653 return s7_pcrel_from (fixP);
7654 }
7655
7656 /* Round up a section size to the appropriate boundary. */
7657 valueT
7658 md_section_align (segT segment ATTRIBUTE_UNUSED, valueT size)
7659 {
7660 if (score3)
7661 return s3_section_align (segment, size);
7662 else
7663 return s7_section_align (segment, size);
7664 }
7665
7666 void
7667 md_apply_fix (fixS *fixP, valueT *valP, segT seg)
7668 {
7669 if (score3)
7670 return s3_apply_fix (fixP, valP, seg);
7671 else
7672 return s7_apply_fix (fixP, valP, seg);
7673 }
7674
7675 /* Translate internal representation of relocation info to BFD target format. */
7676 arelent **
7677 tc_gen_reloc (asection * section ATTRIBUTE_UNUSED, fixS * fixp)
7678 {
7679 if (score3)
7680 return s3_gen_reloc (section, fixp);
7681 else
7682 return s7_gen_reloc (section, fixp);
7683 }
7684
7685 void
7686 md_begin (void)
7687 {
7688 s3_begin ();
7689 s7_begin ();
7690 }
7691
7692 static void
7693 score_set_mach (const char *arg)
7694 {
7695 if (strcmp (arg, MARCH_SCORE3) == 0)
7696 {
7697 score3 = 1;
7698 score7 = 0;
7699 s3_score3d = 1;
7700 }
7701 else if (strcmp (arg, MARCH_SCORE7) == 0)
7702 {
7703 score3 = 0;
7704 score7 = 1;
7705 s7_score7d = 1;
7706 s7_university_version = 0;
7707 s7_vector_size = s7_SCORE7_PIPELINE;
7708 }
7709 else if (strcmp (arg, MARCH_SCORE5) == 0)
7710 {
7711 score3 = 0;
7712 score7 = 1;
7713 s7_score7d = 1;
7714 s7_university_version = 0;
7715 s7_vector_size = s7_SCORE5_PIPELINE;
7716 }
7717 else if (strcmp (arg, MARCH_SCORE5U) == 0)
7718 {
7719 score3 = 0;
7720 score7 = 1;
7721 s7_score7d = 1;
7722 s7_university_version = 1;
7723 s7_vector_size = s7_SCORE5_PIPELINE;
7724 }
7725 else
7726 {
7727 as_bad (_("unknown architecture `%s'\n"), arg);
7728 }
7729 }
7730
7731 int
7732 md_parse_option (int c, char *arg)
7733 {
7734 switch (c)
7735 {
7736 #ifdef OPTION_EB
7737 case OPTION_EB:
7738 target_big_endian = 1;
7739 break;
7740 #endif
7741 #ifdef OPTION_EL
7742 case OPTION_EL:
7743 target_big_endian = 0;
7744 break;
7745 #endif
7746 case OPTION_FIXDD:
7747 s3_fix_data_dependency = 1;
7748 s7_fix_data_dependency = 1;
7749 break;
7750 case OPTION_NWARN:
7751 s3_warn_fix_data_dependency = 0;
7752 s7_warn_fix_data_dependency = 0;
7753 break;
7754 case OPTION_SCORE5:
7755 score3 = 0;
7756 score7 = 1;
7757 s7_university_version = 0;
7758 s7_vector_size = s7_SCORE5_PIPELINE;
7759 break;
7760 case OPTION_SCORE5U:
7761 score3 = 0;
7762 score7 = 1;
7763 s7_university_version = 1;
7764 s7_vector_size = s7_SCORE5_PIPELINE;
7765 break;
7766 case OPTION_SCORE7:
7767 score3 = 0;
7768 score7 = 1;
7769 s7_score7d = 1;
7770 s7_university_version = 0;
7771 s7_vector_size = s7_SCORE7_PIPELINE;
7772 break;
7773 case OPTION_SCORE3:
7774 score3 = 1;
7775 score7 = 0;
7776 s3_score3d = 1;
7777 break;
7778 case OPTION_R1:
7779 s3_nor1 = 0;
7780 s7_nor1 = 0;
7781 break;
7782 case 'G':
7783 s3_g_switch_value = atoi (arg);
7784 s7_g_switch_value = atoi (arg);
7785 break;
7786 case OPTION_O0:
7787 s3_g_opt = 0;
7788 s7_g_opt = 0;
7789 break;
7790 case OPTION_SCORE_VERSION:
7791 printf (_("Sunplus-v2-0-0-20060510\n"));
7792 break;
7793 case OPTION_PIC:
7794 s3_score_pic = s3_NO_PIC; /* Score3 doesn't support PIC now. */
7795 s7_score_pic = s7_PIC;
7796 s3_g_switch_value = 0; /* Must set -G num as 0 to generate s3_PIC code. */
7797 s7_g_switch_value = 0; /* Must set -G num as 0 to generate s7_PIC code. */
7798 break;
7799 case OPTION_MARCH:
7800 score_set_mach (arg);
7801 break;
7802 default:
7803 return 0;
7804 }
7805 return 1;
7806 }
7807
7808 void
7809 md_show_usage (FILE * fp)
7810 {
7811 fprintf (fp, _(" Score-specific assembler options:\n"));
7812 #ifdef OPTION_EB
7813 fprintf (fp, _("\
7814 -EB\t\tassemble code for a big-endian cpu\n"));
7815 #endif
7816
7817 #ifdef OPTION_EL
7818 fprintf (fp, _("\
7819 -EL\t\tassemble code for a little-endian cpu\n"));
7820 #endif
7821
7822 fprintf (fp, _("\
7823 -FIXDD\t\tassemble code for fix data dependency\n"));
7824 fprintf (fp, _("\
7825 -NWARN\t\tassemble code for no warning message for fix data dependency\n"));
7826 fprintf (fp, _("\
7827 -SCORE5\t\tassemble code for target is SCORE5\n"));
7828 fprintf (fp, _("\
7829 -SCORE5U\tassemble code for target is SCORE5U\n"));
7830 fprintf (fp, _("\
7831 -SCORE7\t\tassemble code for target is SCORE7, this is default setting\n"));
7832 fprintf (fp, _("\
7833 -SCORE3\t\tassemble code for target is SCORE3\n"));
7834 fprintf (fp, _("\
7835 -march=score7\tassemble code for target is SCORE7, this is default setting\n"));
7836 fprintf (fp, _("\
7837 -march=score3\tassemble code for target is SCORE3\n"));
7838 fprintf (fp, _("\
7839 -USE_R1\t\tassemble code for no warning message when using temp register r1\n"));
7840 fprintf (fp, _("\
7841 -KPIC\t\tassemble code for PIC\n"));
7842 fprintf (fp, _("\
7843 -O0\t\tassembler will not perform any optimizations\n"));
7844 fprintf (fp, _("\
7845 -G gpnum\tassemble code for setting gpsize and default is 8 byte\n"));
7846 fprintf (fp, _("\
7847 -V \t\tSunplus release version \n"));
7848 }
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