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Updated sources to avoid using the identifier name "new", which is a
[deliverable/binutils-gdb.git] / gas / config / tc-score.c
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 * expr);
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 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 (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 (class == INSN_CLASS_32 || 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 (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 (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 int value;
3142 unsigned int data_type;
3143
3144 if (pre_inc == 1)
3145 data_type = _SIMM12;
3146 else
3147 data_type = _SIMM15;
3148 dataptr = temp;
3149
3150 if ((*dataptr == '0') && (*(dataptr + 1) == 'x')
3151 && (data_type != _SIMM16_LA)
3152 && (data_type != _VALUE_HI16)
3153 && (data_type != _VALUE_LO16)
3154 && (data_type != _IMM16)
3155 && (data_type != _IMM15)
3156 && (data_type != _IMM14)
3157 && (data_type != _IMM4)
3158 && (data_type != _IMM5)
3159 && (data_type != _IMM8)
3160 && (data_type != _IMM5_RSHIFT_1)
3161 && (data_type != _IMM5_RSHIFT_2)
3162 && (data_type != _SIMM14_NEG)
3163 && (data_type != _IMM10_RSHIFT_2))
3164 {
3165 data_type += 24;
3166 }
3167
3168 value = s3_validate_immediate (s3_inst.reloc.exp.X_add_number, data_type, 0);
3169 if (value == (int) s3_FAIL)
3170 {
3171 if (data_type < 30)
3172 sprintf (s3_err_msg,
3173 _("invalid constant: %d bit expression not in range %d..%d"),
3174 s3_score_df_range[data_type].bits,
3175 s3_score_df_range[data_type].range[0], s3_score_df_range[data_type].range[1]);
3176 else
3177 sprintf (s3_err_msg,
3178 _("invalid constant: %d bit expression not in range %d..%d"),
3179 s3_score_df_range[data_type - 24].bits,
3180 s3_score_df_range[data_type - 24].range[0],
3181 s3_score_df_range[data_type - 24].range[1]);
3182 s3_inst.error = s3_err_msg;
3183 return;
3184 }
3185
3186 value &= (1 << s3_score_df_range[data_type].bits) - 1;
3187 ldst_idx = s3_inst.instruction & OPC_PSEUDOLDST_MASK;
3188 s3_inst.instruction &= ~OPC_PSEUDOLDST_MASK;
3189 s3_inst.instruction |= s3_score_ldst_insns[ldst_idx * 3 + pre_inc].value;
3190 if (pre_inc == 1)
3191 s3_inst.instruction |= value << 3;
3192 else
3193 s3_inst.instruction |= value;
3194
3195 /* lw rD, [rA, simm15] */
3196 if ((s3_inst.instruction & 0x3e000000) == 0x20000000)
3197 {
3198 /* rD in [r0 - r15]. , ra in [r0-r7] */
3199 if ((((s3_inst.instruction >> 15) & 0x18) == 0)
3200 && (((s3_inst.instruction >> 20) & 0x10) == 0))
3201 {
3202 /* simm = [bit 7], lw -> lw!. */
3203 if (((s3_inst.instruction & 0x7f80) == 0)&&((s3_inst.instruction &0x3)==0))
3204 {
3205 s3_inst.relax_inst |= (((s3_inst.instruction >> 15) & 0x7) << 5)
3206 | (((s3_inst.instruction >> 20) & 0xf) << 8)|(value>>2);
3207 s3_inst.relax_size = 2;
3208 }
3209 else
3210 {
3211 s3_inst.relax_inst = 0x8000;
3212 }
3213 }
3214 else
3215 {
3216 s3_inst.relax_inst = 0x8000;
3217 }
3218 }
3219 /* sw rD, [rA, simm15] */
3220 else if ((s3_inst.instruction & 0x3e000000) == 0x28000000)
3221 {
3222 /* rD is in [r0 - r15] and ra in [r0-r7] */
3223 if ((((s3_inst.instruction >> 15) & 0x18) == 0) && (((s3_inst.instruction >> 20) & 0x10) == 0))
3224 {
3225 /* simm15 =7 bit , sw -> sw!. */
3226 if (((s3_inst.instruction & 0x7f80) == 0)&&((s3_inst.instruction &0x3)==0))
3227 {
3228 s3_inst.relax_inst |= (((s3_inst.instruction >> 15) & 0xf) << 5)
3229 | (((s3_inst.instruction >> 20) & 0xf) << 8)|(value>>2);
3230 s3_inst.relax_size = 2;
3231 }
3232 /* rA = r2, sw -> swp!. */
3233 else
3234 {
3235 s3_inst.relax_inst = 0x8000;
3236 }
3237 }
3238 else
3239 {
3240 s3_inst.relax_inst = 0x8000;
3241 }
3242 }
3243 /* sw rD, [rA, simm15]+ sw pre. */
3244 else if ((s3_inst.instruction & 0x3e000007) == 0x06000004)
3245 {
3246 /* simm15 = -4. and ra==r0 */
3247 if ((((s3_inst.instruction >> 15) & 0x1f) == 0)
3248 && (((s3_inst.instruction >> 3) & 0xfff) == 0xffc))
3249 {
3250 /* sw -> push!. */
3251 s3_inst.relax_inst = 0x0060 | ((s3_inst.instruction >> 20) & 0x1f);
3252 s3_inst.relax_size = 2;
3253 }
3254 else
3255 {
3256 s3_inst.relax_inst = 0x8000;
3257 }
3258 }
3259 else
3260 {
3261 s3_inst.relax_inst = 0x8000;
3262 }
3263
3264 return;
3265 }
3266 else
3267 {
3268 /* FIXME: may set error, for there is no ld/sw rD, [rA, label] */
3269 s3_inst.reloc.pc_rel = 0;
3270 }
3271 }
3272 }
3273 else
3274 {
3275 s3_inst.error = s3_BAD_ARGS;
3276 }
3277 }
3278
3279 /* Handle cache. */
3280 static void
3281 s3_do_cache (char *str)
3282 {
3283 s3_skip_whitespace (str);
3284
3285 if ((s3_data_op2 (&str, 20, _IMM5) == (int) s3_FAIL) || (s3_skip_past_comma (&str) == (int) s3_FAIL))
3286 {
3287 return;
3288 }
3289 else
3290 {
3291 int cache_op;
3292
3293 cache_op = (s3_inst.instruction >> 20) & 0x1F;
3294 sprintf (s3_inst.name, "cache %d", cache_op);
3295 }
3296
3297 if (*str == '[')
3298 {
3299 str++;
3300 s3_skip_whitespace (str);
3301
3302 if (s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL)
3303 return;
3304
3305 s3_skip_whitespace (str);
3306
3307 /* cache op, [rA] */
3308 if (s3_skip_past_comma (&str) == (int) s3_FAIL)
3309 {
3310 s3_SET_INSN_ERROR (NULL);
3311 if (*str != ']')
3312 {
3313 s3_inst.error = _("missing ]");
3314 return;
3315 }
3316 str++;
3317 }
3318 /* cache op, [rA, simm15] */
3319 else
3320 {
3321 if (s3_exp_ldst_offset (&str, 0, _SIMM15) == (int) s3_FAIL)
3322 {
3323 return;
3324 }
3325
3326 s3_skip_whitespace (str);
3327 if (*str++ != ']')
3328 {
3329 s3_inst.error = _("missing ]");
3330 return;
3331 }
3332 }
3333
3334 if (s3_end_of_line (str) == (int) s3_FAIL)
3335 return;
3336 }
3337 else
3338 {
3339 s3_inst.error = s3_BAD_ARGS;
3340 }
3341 }
3342
3343 static void
3344 s3_do_crdcrscrsimm5 (char *str)
3345 {
3346 char *strbak;
3347
3348 strbak = str;
3349 s3_skip_whitespace (str);
3350
3351 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE_CR) == (int) s3_FAIL
3352 || s3_skip_past_comma (&str) == (int) s3_FAIL
3353 || s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE_CR) == (int) s3_FAIL
3354 || s3_skip_past_comma (&str) == (int) s3_FAIL
3355 || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE_CR) == (int) s3_FAIL
3356 || s3_skip_past_comma (&str) == (int) s3_FAIL)
3357 {
3358 str = strbak;
3359 /* cop1 cop_code20. */
3360 if (s3_data_op2 (&str, 5, _IMM20) == (int) s3_FAIL)
3361 return;
3362 }
3363 else
3364 {
3365 if (s3_data_op2 (&str, 5, _IMM5) == (int) s3_FAIL)
3366 return;
3367 }
3368
3369 s3_end_of_line (str);
3370 }
3371
3372 /* Handle ldc/stc. */
3373 static void
3374 s3_do_ldst_cop (char *str)
3375 {
3376 s3_skip_whitespace (str);
3377
3378 if ((s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE_CR) == (int) s3_FAIL)
3379 || (s3_skip_past_comma (&str) == (int) s3_FAIL))
3380 return;
3381
3382 if (*str == '[')
3383 {
3384 str++;
3385 s3_skip_whitespace (str);
3386
3387 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL)
3388 return;
3389
3390 s3_skip_whitespace (str);
3391
3392 if (*str++ != ']')
3393 {
3394 if (s3_exp_ldst_offset (&str, 5, _IMM10_RSHIFT_2) == (int) s3_FAIL)
3395 return;
3396
3397 s3_skip_whitespace (str);
3398 if (*str++ != ']')
3399 {
3400 s3_inst.error = _("missing ]");
3401 return;
3402 }
3403 }
3404
3405 s3_end_of_line (str);
3406 }
3407 else
3408 s3_inst.error = s3_BAD_ARGS;
3409 }
3410
3411 static void
3412 s3_do16_ldst_insn (char *str)
3413 {
3414 int conflict_reg=0;
3415 char * temp;
3416 s3_skip_whitespace (str);
3417
3418 if ((s3_reglow_required_here (&str, 8) == (int) s3_FAIL) || (s3_skip_past_comma (&str) == (int) s3_FAIL))
3419 return;
3420
3421 if (*str == '[')
3422 {
3423
3424 str++;
3425 s3_skip_whitespace (str);
3426
3427 if ((conflict_reg = s3_reglow_required_here (&str, 5)) == (int) s3_FAIL)
3428 return;
3429 if (conflict_reg&0x8)
3430 {
3431 sprintf (s3_err_msg, _("invalid register number: %d is not in [r0--r7]"),conflict_reg);
3432 s3_inst.error=s3_err_msg;
3433 return ;
3434 }
3435
3436 s3_skip_whitespace (str);
3437 temp = str + 1; /* The latter will process decimal/hex expression. */
3438 if (*str == ']')
3439 {
3440 str++;
3441 if (s3_end_of_line (str) == (int) s3_FAIL)
3442 return;
3443 }
3444 else
3445 {
3446 if (s3_skip_past_comma (&str) == (int) s3_FAIL)
3447 {
3448 s3_inst.error = _("comma is expected");
3449 return;
3450 }
3451 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL)
3452 return;
3453 s3_skip_whitespace (str);
3454 if (*str++ != ']')
3455 {
3456 s3_inst.error = _("missing ]");
3457 return;
3458 }
3459 if (s3_end_of_line (str) == (int) s3_FAIL)
3460 return;
3461 if (s3_inst.reloc.exp.X_op == O_constant)
3462 {
3463 int value;
3464 unsigned int data_type;
3465 data_type = _IMM5_RSHIFT_2;
3466 value = s3_validate_immediate (s3_inst.reloc.exp.X_add_number, data_type, 0);
3467 if (value == (int) s3_FAIL)
3468 {
3469 if (data_type < 30)
3470 sprintf (s3_err_msg,
3471 _("invalid constant: %d bit expression not in range %d..%d"),
3472 s3_score_df_range[data_type].bits,
3473 s3_score_df_range[data_type].range[0], s3_score_df_range[data_type].range[1]);
3474 s3_inst.error = s3_err_msg;
3475 return;
3476 }
3477 if (value &0x3)
3478 {
3479 sprintf (s3_err_msg, _("invalid constant: %d is not word align integer"),value);
3480 s3_inst.error=s3_err_msg;
3481 return ;
3482 }
3483
3484 value >>=2;
3485 s3_inst.instruction |= value;
3486 }
3487 }
3488
3489 }
3490 else
3491 {
3492 sprintf (s3_err_msg, _("missing ["));
3493 s3_inst.error=s3_err_msg;
3494 return ;
3495 }
3496 }
3497
3498 static void
3499 s3_do_lw48 (char *str)
3500 {
3501 bfd_signed_vma val = 0;
3502
3503 s3_skip_whitespace (str);
3504
3505 if ((s3_reg_required_here (&str, 37, s3_REG_TYPE_SCORE) == (int) s3_FAIL)
3506 || (s3_skip_past_comma (&str) == (int) s3_FAIL))
3507 return;
3508
3509 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL
3510 || s3_end_of_line (str) == (int) s3_FAIL)
3511 {
3512 return;
3513 }
3514
3515 /* Check word align for lw48 rd, value. */
3516 if ((s3_inst.reloc.exp.X_add_symbol == NULL)
3517 && ((s3_inst.reloc.exp.X_add_number & 0x3) != 0))
3518 {
3519 s3_inst.error = _("invalid constant: 32 bit expression not word align");
3520 return;
3521 }
3522
3523 /* Check and set offset. */
3524 val = s3_inst.reloc.exp.X_add_number;
3525 if ((s3_inst.reloc.exp.X_add_symbol == NULL)
3526 && (!(val >= 0 && val <= 0xffffffffLL)))
3527 {
3528 s3_inst.error = _("invalid constant: 32 bit expression not in range [0, 0xffffffff]");
3529 return;
3530 }
3531
3532 val &= 0xffffffff;
3533 val >>= 2;
3534 s3_inst.instruction |= (val << 7);
3535
3536 /* Set reloc type. */
3537 s3_inst.reloc.type = BFD_RELOC_SCORE_IMM30;
3538
3539 }
3540
3541 static void
3542 s3_do_sw48 (char *str)
3543 {
3544 bfd_signed_vma val = 0;
3545
3546 s3_skip_whitespace (str);
3547
3548 if ((s3_reg_required_here (&str, 37, s3_REG_TYPE_SCORE) == (int) s3_FAIL)
3549 || (s3_skip_past_comma (&str) == (int) s3_FAIL))
3550 return;
3551
3552 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL
3553 || s3_end_of_line (str) == (int) s3_FAIL)
3554 {
3555 return;
3556 }
3557
3558 /* Check word align for lw48 rd, value. */
3559 if ((s3_inst.reloc.exp.X_add_symbol == NULL)
3560 && ((s3_inst.reloc.exp.X_add_number & 0x3) != 0))
3561 {
3562 s3_inst.error = _("invalid constant: 32 bit expression not word align");
3563 return;
3564 }
3565
3566 /* Check and set offset. */
3567 val = s3_inst.reloc.exp.X_add_number;
3568 if ((s3_inst.reloc.exp.X_add_symbol == NULL)
3569 && (!(val >= 0 && val <= 0xffffffffLL)))
3570 {
3571 s3_inst.error = _("invalid constant: 32 bit expression not in range [0, 0xffffffff]");
3572 return;
3573 }
3574
3575 val &= 0xffffffff;
3576 val >>= 2;
3577 s3_inst.instruction |= (val << 7);
3578
3579 /* Set reloc type. */
3580 s3_inst.reloc.type = BFD_RELOC_SCORE_IMM30;
3581 }
3582
3583 static void
3584 s3_do_ldi48 (char *str)
3585 {
3586 bfd_signed_vma val;
3587
3588 s3_skip_whitespace (str);
3589
3590 if (s3_reg_required_here (&str, 37, s3_REG_TYPE_SCORE) == (int) s3_FAIL
3591 || s3_skip_past_comma (&str) == (int) s3_FAIL)
3592 return;
3593
3594 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL
3595 || s3_end_of_line (str) == (int) s3_FAIL)
3596 {
3597 return;
3598 }
3599
3600 /* Check and set offset. */
3601 val = s3_inst.reloc.exp.X_add_number;
3602 if (!(val >= -0xffffffffLL && val <= 0xffffffffLL))
3603 {
3604 s3_inst.error = _("invalid constant: 32 bit expression not in range [-0x80000000, 0x7fffffff]");
3605 return;
3606 }
3607
3608 val &= 0xffffffff;
3609 s3_inst.instruction |= (val << 5);
3610
3611 /* Set reloc type. */
3612 s3_inst.reloc.type = BFD_RELOC_SCORE_IMM32;
3613 }
3614
3615 static void
3616 s3_do_sdbbp48 (char *str)
3617 {
3618 s3_skip_whitespace (str);
3619
3620 if (s3_data_op2 (&str, 5, _IMM5) == (int) s3_FAIL || s3_end_of_line (str) == (int) s3_FAIL)
3621 return;
3622 }
3623
3624 static void
3625 s3_do_and48 (char *str)
3626 {
3627 s3_skip_whitespace (str);
3628
3629 if (s3_reglow_required_here (&str, 38) == (int) s3_FAIL
3630 || s3_skip_past_comma (&str) == (int) s3_FAIL
3631 || s3_reglow_required_here (&str, 34) == (int) s3_FAIL
3632 || s3_skip_past_comma (&str) == (int) s3_FAIL
3633 || s3_data_op2 (&str, 2, _IMM32) == (int) s3_FAIL
3634 || s3_end_of_line (str) == (int) s3_FAIL)
3635 return;
3636 }
3637
3638 static void
3639 s3_do_or48 (char *str)
3640 {
3641 s3_skip_whitespace (str);
3642
3643 if (s3_reglow_required_here (&str, 38) == (int) s3_FAIL
3644 || s3_skip_past_comma (&str) == (int) s3_FAIL
3645 || s3_reglow_required_here (&str, 34) == (int) s3_FAIL
3646 || s3_skip_past_comma (&str) == (int) s3_FAIL
3647 || s3_data_op2 (&str, 2, _IMM32) == (int) s3_FAIL
3648 || s3_end_of_line (str) == (int) s3_FAIL)
3649 return;
3650 }
3651
3652 static void
3653 s3_do_mbitclr (char *str)
3654 {
3655 int val;
3656 s3_skip_whitespace (str);
3657
3658 if (*str != '[')
3659 {
3660 sprintf (s3_err_msg, _("missing ["));
3661 s3_inst.error=s3_err_msg;
3662 return;
3663 }
3664 str++;
3665
3666 s3_inst.instruction &= 0x0;
3667
3668 if ((s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL)
3669 || (s3_skip_past_comma (&str) == (int) s3_FAIL)
3670 || (s3_data_op2 (&str, 0, _IMM11) == (int) s3_FAIL))
3671 return;
3672
3673 /* Get imm11 and refill opcode. */
3674 val = s3_inst.instruction & 0x7ff;
3675 val >>= 2;
3676 s3_inst.instruction &= 0x000f8000;
3677 s3_inst.instruction |= 0x00000064;
3678
3679 if (*str != ']')
3680 {
3681 sprintf (s3_err_msg, _("missing ]"));
3682 s3_inst.error=s3_err_msg;
3683 return;
3684 }
3685 str++;
3686
3687 if ((s3_skip_past_comma (&str) == (int) s3_FAIL)
3688 || (s3_data_op2 (&str, 10, _IMM5) == (int) s3_FAIL))
3689 return;
3690
3691 /* Set imm11 to opcode. */
3692 s3_inst.instruction |= (val & 0x1)
3693 | (((val >> 1 ) & 0x7) << 7)
3694 | (((val >> 4 ) & 0x1f) << 20);
3695 }
3696
3697 static void
3698 s3_do_mbitset (char *str)
3699 {
3700 int val;
3701 s3_skip_whitespace (str);
3702
3703 if (*str != '[')
3704 {
3705 sprintf (s3_err_msg, _("missing ["));
3706 s3_inst.error=s3_err_msg;
3707 return;
3708 }
3709 str++;
3710
3711 s3_inst.instruction &= 0x0;
3712
3713 if ((s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL)
3714 || (s3_skip_past_comma (&str) == (int) s3_FAIL)
3715 || (s3_data_op2 (&str, 0, _IMM11) == (int) s3_FAIL))
3716 return;
3717
3718 /* Get imm11 and refill opcode. */
3719 val = s3_inst.instruction & 0x7ff;
3720 val >>= 2;
3721 s3_inst.instruction &= 0x000f8000;
3722 s3_inst.instruction |= 0x0000006c;
3723
3724 if (*str != ']')
3725 {
3726 sprintf (s3_err_msg, _("missing ]"));
3727 s3_inst.error=s3_err_msg;
3728 return;
3729 }
3730 str++;
3731
3732 if ((s3_skip_past_comma (&str) == (int) s3_FAIL)
3733 || (s3_data_op2 (&str, 10, _IMM5) == (int) s3_FAIL))
3734 return;
3735
3736 /* Set imm11 to opcode. */
3737 s3_inst.instruction |= (val & 0x1)
3738 | (((val >> 1 ) & 0x7) << 7)
3739 | (((val >> 4 ) & 0x1f) << 20);
3740 }
3741
3742 static void
3743 s3_do16_slli_srli (char *str)
3744 {
3745 s3_skip_whitespace (str);
3746
3747 if ((s3_reglow_required_here (&str, 5) == (int) s3_FAIL)
3748 || (s3_skip_past_comma (&str) == (int) s3_FAIL)
3749 || s3_data_op2 (&str, 0, _IMM5) == (int) s3_FAIL
3750 || s3_end_of_line (str) == (int) s3_FAIL)
3751 return;
3752 }
3753
3754 static void
3755 s3_do16_ldiu (char *str)
3756 {
3757 s3_skip_whitespace (str);
3758
3759 if ((s3_reg_required_here (&str, 5,s3_REG_TYPE_SCORE) == (int) s3_FAIL)
3760 || (s3_skip_past_comma (&str) == (int) s3_FAIL)
3761 || s3_data_op2 (&str, 0, _IMM5) == (int) s3_FAIL
3762 || s3_end_of_line (str) == (int) s3_FAIL)
3763 return;
3764 }
3765
3766 static void
3767 s3_do16_push_pop (char *str)
3768 {
3769 s3_skip_whitespace (str);
3770 if ((s3_reg_required_here (&str, 0, s3_REG_TYPE_SCORE)) == (int) s3_FAIL
3771 || s3_end_of_line (str) == (int) s3_FAIL)
3772 return;
3773 }
3774
3775 static void
3776 s3_do16_rpush (char *str)
3777 {
3778 int reg;
3779 int val;
3780 s3_skip_whitespace (str);
3781 if ((reg = (s3_reg_required_here (&str, 5, s3_REG_TYPE_SCORE))) == (int) s3_FAIL
3782 || s3_skip_past_comma (&str) == (int) s3_FAIL
3783 || s3_data_op2 (&str, 0, _IMM5_MULTI_LOAD) == (int) s3_FAIL
3784 || s3_end_of_line (str) == (int) s3_FAIL)
3785 return;
3786
3787 /* 0: indicate 32.
3788 1: invalide value.
3789 2: to 31: normal value. */
3790 val = s3_inst.instruction & 0x1f;
3791 if (val == 1)
3792 {
3793 s3_inst.error = _("imm5 should >= 2");
3794 return;
3795 }
3796 if (reg >= 32)
3797 {
3798 s3_inst.error = _("reg should <= 31");
3799 return;
3800 }
3801 }
3802
3803 static void
3804 s3_do16_rpop (char *str)
3805 {
3806 int reg;
3807 int val;
3808 s3_skip_whitespace (str);
3809 if ((reg = (s3_reg_required_here (&str, 5, s3_REG_TYPE_SCORE))) == (int) s3_FAIL
3810 || s3_skip_past_comma (&str) == (int) s3_FAIL
3811 || s3_data_op2 (&str, 0, _IMM5_MULTI_LOAD) == (int) s3_FAIL
3812 || s3_end_of_line (str) == (int) s3_FAIL)
3813 return;
3814
3815 /* 0: indicate 32.
3816 1: invalide value.
3817 2: to 31: normal value. */
3818 val = s3_inst.instruction & 0x1f;
3819 if (val == 1)
3820 {
3821 s3_inst.error = _("imm5 should >= 2");
3822 return;
3823 }
3824
3825 if (reg >= 32)
3826 {
3827 s3_inst.error = _("reg should <= 31");
3828 return;
3829 }
3830 else
3831 {
3832 if ((reg + val) <= 32)
3833 reg = reg + val - 1;
3834 else
3835 reg = reg + val - 33;
3836 s3_inst.instruction &= 0x7c1f;
3837 s3_inst.instruction |= (reg << 5);
3838 return;
3839 }
3840 }
3841
3842 /* Handle lcb/lcw/lce/scb/scw/sce. */
3843 static void
3844 s3_do_ldst_unalign (char *str)
3845 {
3846 int conflict_reg;
3847
3848 if (s3_university_version == 1)
3849 {
3850 s3_inst.error = s3_ERR_FOR_SCORE5U_ATOMIC;
3851 return;
3852 }
3853
3854 s3_skip_whitespace (str);
3855
3856 /* lcb/scb [rA]+. */
3857 if (*str == '[')
3858 {
3859 str++;
3860 s3_skip_whitespace (str);
3861
3862 if (s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL)
3863 return;
3864
3865 if (*str++ == ']')
3866 {
3867 if (*str++ != '+')
3868 {
3869 s3_inst.error = _("missing +");
3870 return;
3871 }
3872 }
3873 else
3874 {
3875 s3_inst.error = _("missing ]");
3876 return;
3877 }
3878
3879 if (s3_end_of_line (str) == (int) s3_FAIL)
3880 return;
3881 }
3882 /* lcw/lce/scb/sce rD, [rA]+. */
3883 else
3884 {
3885 if (((conflict_reg = s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
3886 || (s3_skip_past_comma (&str) == (int) s3_FAIL))
3887 {
3888 return;
3889 }
3890
3891 s3_skip_whitespace (str);
3892 if (*str++ == '[')
3893 {
3894 int reg;
3895
3896 s3_skip_whitespace (str);
3897 if ((reg = s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
3898 {
3899 return;
3900 }
3901
3902 /* Conflicts can occur on stores as well as loads. */
3903 conflict_reg = (conflict_reg == reg);
3904 s3_skip_whitespace (str);
3905 if (*str++ == ']')
3906 {
3907 unsigned int ldst_func = s3_inst.instruction & LDST_UNALIGN_MASK;
3908
3909 if (*str++ == '+')
3910 {
3911 if (conflict_reg)
3912 {
3913 as_warn (_("%s register same as write-back base"),
3914 ((ldst_func & UA_LCE) || (ldst_func & UA_LCW)
3915 ? _("destination") : _("source")));
3916 }
3917 }
3918 else
3919 {
3920 s3_inst.error = _("missing +");
3921 return;
3922 }
3923
3924 if (s3_end_of_line (str) == (int) s3_FAIL)
3925 return;
3926 }
3927 else
3928 {
3929 s3_inst.error = _("missing ]");
3930 return;
3931 }
3932 }
3933 else
3934 {
3935 s3_inst.error = s3_BAD_ARGS;
3936 return;
3937 }
3938 }
3939 }
3940
3941 /* Handle alw/asw. */
3942 static void
3943 s3_do_ldst_atomic (char *str)
3944 {
3945 if (s3_university_version == 1)
3946 {
3947 s3_inst.error = s3_ERR_FOR_SCORE5U_ATOMIC;
3948 return;
3949 }
3950
3951 s3_skip_whitespace (str);
3952
3953 if ((s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL)
3954 || (s3_skip_past_comma (&str) == (int) s3_FAIL))
3955 {
3956 return;
3957 }
3958 else
3959 {
3960
3961 s3_skip_whitespace (str);
3962 if (*str++ == '[')
3963 {
3964 int reg;
3965
3966 s3_skip_whitespace (str);
3967 if ((reg = s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
3968 {
3969 return;
3970 }
3971
3972 s3_skip_whitespace (str);
3973 if (*str++ != ']')
3974 {
3975 s3_inst.error = _("missing ]");
3976 return;
3977 }
3978
3979 s3_end_of_line (str);
3980 }
3981 else
3982 s3_inst.error = s3_BAD_ARGS;
3983 }
3984 }
3985
3986 static void
3987 s3_build_relax_frag (struct s3_score_it fix_insts[s3_RELAX_INST_NUM], int fix_num ATTRIBUTE_UNUSED,
3988 struct s3_score_it var_insts[s3_RELAX_INST_NUM], int var_num,
3989 symbolS *add_symbol)
3990 {
3991 int i;
3992 char *p;
3993 fixS *fixp = NULL;
3994 fixS *cur_fixp = NULL;
3995 long where;
3996 struct s3_score_it inst_main;
3997
3998 memcpy (&inst_main, &fix_insts[0], sizeof (struct s3_score_it));
3999
4000 /* Adjust instruction opcode and to be relaxed instruction opcode. */
4001 inst_main.instruction = s3_adjust_paritybit (inst_main.instruction, s3_GET_INSN_CLASS (inst_main.type));
4002 inst_main.type = Insn_PIC;
4003
4004 for (i = 0; i < var_num; i++)
4005 {
4006 inst_main.relax_size += var_insts[i].size;
4007 var_insts[i].instruction = s3_adjust_paritybit (var_insts[i].instruction,
4008 s3_GET_INSN_CLASS (var_insts[i].type));
4009 }
4010
4011 /* Check data dependency. */
4012 s3_handle_dependency (&inst_main);
4013
4014 /* Start a new frag if frag_now is not empty. */
4015 if (frag_now_fix () != 0)
4016 {
4017 if (!frag_now->tc_frag_data.is_insn)
4018 {
4019 frag_wane (frag_now);
4020 }
4021 frag_new (0);
4022 }
4023 frag_grow (20);
4024
4025 /* Write fr_fix part. */
4026 p = frag_more (inst_main.size);
4027 s3_md_number_to_chars (p, inst_main.instruction, inst_main.size);
4028
4029 if (inst_main.reloc.type != BFD_RELOC_NONE)
4030 fixp = s3_fix_new_score (frag_now, p - frag_now->fr_literal, inst_main.size,
4031 &inst_main.reloc.exp, inst_main.reloc.pc_rel, inst_main.reloc.type);
4032
4033 frag_now->tc_frag_data.fixp = fixp;
4034 cur_fixp = frag_now->tc_frag_data.fixp;
4035
4036 #ifdef OBJ_ELF
4037 dwarf2_emit_insn (inst_main.size);
4038 #endif
4039
4040 where = p - frag_now->fr_literal + inst_main.size;
4041 for (i = 0; i < var_num; i++)
4042 {
4043 if (i > 0)
4044 where += var_insts[i - 1].size;
4045
4046 if (var_insts[i].reloc.type != BFD_RELOC_NONE)
4047 {
4048 fixp = s3_fix_new_score (frag_now, where, var_insts[i].size,
4049 &var_insts[i].reloc.exp, var_insts[i].reloc.pc_rel,
4050 var_insts[i].reloc.type);
4051 if (fixp)
4052 {
4053 if (cur_fixp)
4054 {
4055 cur_fixp->fx_next = fixp;
4056 cur_fixp = cur_fixp->fx_next;
4057 }
4058 else
4059 {
4060 frag_now->tc_frag_data.fixp = fixp;
4061 cur_fixp = frag_now->tc_frag_data.fixp;
4062 }
4063 }
4064 }
4065 }
4066
4067 p = frag_var (rs_machine_dependent, inst_main.relax_size + s3_RELAX_PAD_BYTE, 0,
4068 s3_RELAX_ENCODE (inst_main.size, inst_main.relax_size, inst_main.type,
4069 0, inst_main.size, 0), add_symbol, 0, NULL);
4070
4071 /* Write fr_var part.
4072 no calling s3_gen_insn_frag, no fixS will be generated. */
4073 for (i = 0; i < var_num; i++)
4074 {
4075 s3_md_number_to_chars (p, var_insts[i].instruction, var_insts[i].size);
4076 p += var_insts[i].size;
4077 }
4078 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4079 s3_inst.bwarn = -1;
4080 }
4081
4082 /* Build a relax frag for la instruction when generating s3_PIC,
4083 external symbol first and local symbol second. */
4084 static void
4085 s3_build_la_pic (int reg_rd, expressionS exp)
4086 {
4087 symbolS *add_symbol = exp.X_add_symbol;
4088 offsetT add_number = exp.X_add_number;
4089 struct s3_score_it fix_insts[s3_RELAX_INST_NUM];
4090 struct s3_score_it var_insts[s3_RELAX_INST_NUM];
4091 int fix_num = 0;
4092 int var_num = 0;
4093 char tmp[s3_MAX_LITERAL_POOL_SIZE];
4094 int r1_bak;
4095
4096 r1_bak = s3_nor1;
4097 s3_nor1 = 0;
4098
4099 if (add_number == 0)
4100 {
4101 fix_num = 1;
4102 var_num = 2;
4103
4104 /* For an external symbol, only one insn is generated;
4105 For a local symbol, two insns are generated. */
4106 /* Fix part
4107 For an external symbol: lw rD, <sym>($gp)
4108 (BFD_RELOC_SCORE_GOT15 or BFD_RELOC_SCORE_CALL15) */
4109 sprintf (tmp, "lw_pic r%d, %s", reg_rd, add_symbol->bsym->name);
4110 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4111 return;
4112
4113 if (reg_rd == s3_PIC_CALL_REG)
4114 s3_inst.reloc.type = BFD_RELOC_SCORE_CALL15;
4115 memcpy (&fix_insts[0], &s3_inst, sizeof (struct s3_score_it));
4116
4117 /* Var part
4118 For a local symbol :
4119 lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15)
4120 addi rD, <sym> (BFD_RELOC_GOT_LO16) */
4121 s3_inst.reloc.type = BFD_RELOC_SCORE_GOT15;
4122 memcpy (&var_insts[0], &s3_inst, sizeof (struct s3_score_it));
4123 sprintf (tmp, "addi_s_pic r%d, %s", reg_rd, add_symbol->bsym->name);
4124 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4125 return;
4126
4127 memcpy (&var_insts[1], &s3_inst, sizeof (struct s3_score_it));
4128 s3_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol);
4129 }
4130 else if (add_number >= -0x8000 && add_number <= 0x7fff)
4131 {
4132 /* Insn 1: lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15) */
4133 sprintf (tmp, "lw_pic r%d, %s", reg_rd, add_symbol->bsym->name);
4134 if (s3_append_insn (tmp, TRUE) == (int) s3_FAIL)
4135 return;
4136
4137 /* Insn 2 */
4138 fix_num = 1;
4139 var_num = 1;
4140 /* Fix part
4141 For an external symbol: addi rD, <constant> */
4142 sprintf (tmp, "addi r%d, %d", reg_rd, (int)add_number);
4143 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4144 return;
4145
4146 memcpy (&fix_insts[0], &s3_inst, sizeof (struct s3_score_it));
4147
4148 /* Var part
4149 For a local symbol: addi rD, <sym>+<constant> (BFD_RELOC_GOT_LO16) */
4150 sprintf (tmp, "addi_s_pic r%d, %s + %d", reg_rd, add_symbol->bsym->name, (int)add_number);
4151 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4152 return;
4153
4154 memcpy (&var_insts[0], &s3_inst, sizeof (struct s3_score_it));
4155 s3_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol);
4156 }
4157 else
4158 {
4159 int hi = (add_number >> 16) & 0x0000FFFF;
4160 int lo = add_number & 0x0000FFFF;
4161
4162 /* Insn 1: lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15) */
4163 sprintf (tmp, "lw_pic r%d, %s", reg_rd, add_symbol->bsym->name);
4164 if (s3_append_insn (tmp, TRUE) == (int) s3_FAIL)
4165 return;
4166
4167 /* Insn 2 */
4168 fix_num = 1;
4169 var_num = 1;
4170 /* Fix part
4171 For an external symbol: ldis r1, HI%<constant> */
4172 sprintf (tmp, "ldis r1, %d", hi);
4173 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4174 return;
4175
4176 memcpy (&fix_insts[0], &s3_inst, sizeof (struct s3_score_it));
4177
4178 /* Var part
4179 For a local symbol: ldis r1, HI%<constant>
4180 but, if lo is outof 16 bit, make hi plus 1 */
4181 if ((lo < -0x8000) || (lo > 0x7fff))
4182 {
4183 hi += 1;
4184 }
4185 sprintf (tmp, "ldis_pic r1, %d", hi);
4186 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4187 return;
4188
4189 memcpy (&var_insts[0], &s3_inst, sizeof (struct s3_score_it));
4190 s3_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol);
4191
4192 /* Insn 3 */
4193 fix_num = 1;
4194 var_num = 1;
4195 /* Fix part
4196 For an external symbol: ori r1, LO%<constant> */
4197 sprintf (tmp, "ori r1, %d", lo);
4198 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4199 return;
4200
4201 memcpy (&fix_insts[0], &s3_inst, sizeof (struct s3_score_it));
4202
4203 /* Var part
4204 For a local symbol: addi r1, <sym>+LO%<constant> (BFD_RELOC_GOT_LO16) */
4205 sprintf (tmp, "addi_u_pic r1, %s + %d", add_symbol->bsym->name, lo);
4206 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4207 return;
4208
4209 memcpy (&var_insts[0], &s3_inst, sizeof (struct s3_score_it));
4210 s3_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol);
4211
4212 /* Insn 4: add rD, rD, r1 */
4213 sprintf (tmp, "add r%d, r%d, r1", reg_rd, reg_rd);
4214 if (s3_append_insn (tmp, TRUE) == (int) s3_FAIL)
4215 return;
4216
4217 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4218 s3_inst.bwarn = -1;
4219 }
4220
4221 s3_nor1 = r1_bak;
4222 }
4223
4224 /* Handle la. */
4225 static void
4226 s3_do_macro_la_rdi32 (char *str)
4227 {
4228 int reg_rd;
4229
4230 s3_skip_whitespace (str);
4231 if ((reg_rd = s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE)) == (int) s3_FAIL
4232 || s3_skip_past_comma (&str) == (int) s3_FAIL)
4233 {
4234 return;
4235 }
4236 else
4237 {
4238 /* Save str. */
4239 char *keep_data = str;
4240 char append_str[s3_MAX_LITERAL_POOL_SIZE];
4241
4242 /* Check immediate value. */
4243 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL)
4244 {
4245 s3_inst.error = _("expression error");
4246 return;
4247 }
4248 else if ((s3_inst.reloc.exp.X_add_symbol == NULL)
4249 && (s3_validate_immediate (s3_inst.reloc.exp.X_add_number, _IMM32, 0) == (int) s3_FAIL))
4250 {
4251 s3_inst.error = _("value not in range [0, 0xffffffff]");
4252 return;
4253 }
4254
4255 /* Reset str. */
4256 str = keep_data;
4257
4258 /* la rd, simm16. */
4259 if (s3_data_op2 (&str, 1, _SIMM16_LA) != (int) s3_FAIL)
4260 {
4261 s3_end_of_line (str);
4262 return;
4263 }
4264 /* la rd, imm32 or la rd, label. */
4265 else
4266 {
4267 s3_SET_INSN_ERROR (NULL);
4268 /* Reset str. */
4269 str = keep_data;
4270 if ((s3_data_op2 (&str, 1, _VALUE_HI16) == (int) s3_FAIL)
4271 || (s3_end_of_line (str) == (int) s3_FAIL))
4272 {
4273 return;
4274 }
4275 else
4276 {
4277 if ((s3_score_pic == s3_NO_PIC) || (!s3_inst.reloc.exp.X_add_symbol))
4278 {
4279 sprintf (append_str, "ld_i32hi r%d, %s", reg_rd, keep_data);
4280 if (s3_append_insn (append_str, TRUE) == (int) s3_FAIL)
4281 return;
4282
4283 sprintf (append_str, "ld_i32lo r%d, %s", reg_rd, keep_data);
4284 if (s3_append_insn (append_str, TRUE) == (int) s3_FAIL)
4285 return;
4286 }
4287 else
4288 {
4289 gas_assert (s3_inst.reloc.exp.X_add_symbol);
4290 s3_build_la_pic (reg_rd, s3_inst.reloc.exp);
4291 }
4292
4293 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4294 s3_inst.bwarn = -1;
4295 }
4296 }
4297 }
4298 }
4299
4300 /* Handle li. */
4301 static void
4302 s3_do_macro_li_rdi32 (char *str)
4303 {
4304
4305 int reg_rd;
4306
4307 s3_skip_whitespace (str);
4308 if ((reg_rd = s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE)) == (int) s3_FAIL
4309 || s3_skip_past_comma (&str) == (int) s3_FAIL)
4310 {
4311 return;
4312 }
4313 else
4314 {
4315 /* Save str. */
4316 char *keep_data = str;
4317
4318 /* Check immediate value. */
4319 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL)
4320 {
4321 s3_inst.error = _("expression error");
4322 return;
4323 }
4324 else if (!(s3_inst.reloc.exp.X_add_number >= -0xffffffffLL
4325 && s3_inst.reloc.exp.X_add_number <= 0xffffffffLL))
4326 {
4327 s3_inst.error = _("value not in range [-0xffffffff, 0xffffffff]");
4328 return;
4329 }
4330
4331 /* Reset str. */
4332 str = keep_data;
4333
4334 /* li rd, simm16. */
4335 if (s3_data_op2 (&str, 1, _SIMM16_LA) != (int) s3_FAIL)
4336 {
4337 s3_end_of_line (str);
4338 return;
4339 }
4340 /* li rd, imm32. */
4341 else
4342 {
4343 char append_str[s3_MAX_LITERAL_POOL_SIZE];
4344
4345 /* Reset str. */
4346 str = keep_data;
4347
4348 if ((s3_data_op2 (&str, 1, _VALUE_HI16) == (int) s3_FAIL)
4349 || (s3_end_of_line (str) == (int) s3_FAIL))
4350 {
4351 return;
4352 }
4353 else if (s3_inst.reloc.exp.X_add_symbol)
4354 {
4355 s3_inst.error = _("li rd label isn't correct instruction form");
4356 return;
4357 }
4358 else
4359 {
4360 sprintf (append_str, "ld_i32hi r%d, %s", reg_rd, keep_data);
4361
4362 if (s3_append_insn (append_str, TRUE) == (int) s3_FAIL)
4363 return;
4364 else
4365 {
4366 sprintf (append_str, "ld_i32lo r%d, %s", reg_rd, keep_data);
4367 if (s3_append_insn (append_str, TRUE) == (int) s3_FAIL)
4368 return;
4369
4370 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4371 s3_inst.bwarn = -1;
4372 }
4373 }
4374 }
4375 }
4376 }
4377
4378 /* Handle mul/mulu/div/divu/rem/remu. */
4379 static void
4380 s3_do_macro_mul_rdrsrs (char *str)
4381 {
4382 int reg_rd;
4383 int reg_rs1;
4384 int reg_rs2;
4385 char *backupstr;
4386 char append_str[s3_MAX_LITERAL_POOL_SIZE];
4387
4388 if (s3_university_version == 1)
4389 as_warn ("%s", s3_ERR_FOR_SCORE5U_MUL_DIV);
4390
4391 strcpy (append_str, str);
4392 backupstr = append_str;
4393 s3_skip_whitespace (backupstr);
4394 if (((reg_rd = s3_reg_required_here (&backupstr, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
4395 || (s3_skip_past_comma (&backupstr) == (int) s3_FAIL)
4396 || ((reg_rs1 = s3_reg_required_here (&backupstr, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL))
4397 {
4398 s3_inst.error = s3_BAD_ARGS;
4399 return;
4400 }
4401
4402 if (s3_skip_past_comma (&backupstr) == (int) s3_FAIL)
4403 {
4404 /* rem/remu rA, rB is error format. */
4405 if (strcmp (s3_inst.name, "rem") == 0 || strcmp (s3_inst.name, "remu") == 0)
4406 {
4407 s3_SET_INSN_ERROR (s3_BAD_ARGS);
4408 }
4409 else
4410 {
4411 s3_SET_INSN_ERROR (NULL);
4412 s3_do_rsrs (str);
4413 }
4414 return;
4415 }
4416 else
4417 {
4418 s3_SET_INSN_ERROR (NULL);
4419 if (((reg_rs2 = s3_reg_required_here (&backupstr, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
4420 || (s3_end_of_line (backupstr) == (int) s3_FAIL))
4421 {
4422 return;
4423 }
4424 else
4425 {
4426 char append_str1[s3_MAX_LITERAL_POOL_SIZE];
4427
4428 if (strcmp (s3_inst.name, "rem") == 0)
4429 {
4430 sprintf (append_str, "mul r%d, r%d", reg_rs1, reg_rs2);
4431 sprintf (append_str1, "mfceh r%d", reg_rd);
4432 }
4433 else if (strcmp (s3_inst.name, "remu") == 0)
4434 {
4435 sprintf (append_str, "mulu r%d, r%d", reg_rs1, reg_rs2);
4436 sprintf (append_str1, "mfceh r%d", reg_rd);
4437 }
4438 else
4439 {
4440 sprintf (append_str, "%s r%d, r%d", s3_inst.name, reg_rs1, reg_rs2);
4441 sprintf (append_str1, "mfcel r%d", reg_rd);
4442 }
4443
4444 /* Output mul/mulu or div/divu or rem/remu. */
4445 if (s3_append_insn (append_str, TRUE) == (int) s3_FAIL)
4446 return;
4447
4448 /* Output mfcel or mfceh. */
4449 if (s3_append_insn (append_str1, TRUE) == (int) s3_FAIL)
4450 return;
4451
4452 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4453 s3_inst.bwarn = -1;
4454 }
4455 }
4456 }
4457
4458 static void
4459 s3_exp_macro_ldst_abs (char *str)
4460 {
4461 int reg_rd;
4462 char *backupstr, *tmp;
4463 char append_str[s3_MAX_LITERAL_POOL_SIZE];
4464 char verifystr[s3_MAX_LITERAL_POOL_SIZE];
4465 struct s3_score_it inst_backup;
4466 int r1_bak = 0;
4467
4468 r1_bak = s3_nor1;
4469 s3_nor1 = 0;
4470 memcpy (&inst_backup, &s3_inst, sizeof (struct s3_score_it));
4471
4472 strcpy (verifystr, str);
4473 backupstr = verifystr;
4474 s3_skip_whitespace (backupstr);
4475 if ((reg_rd = s3_reg_required_here (&backupstr, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
4476 return;
4477
4478 tmp = backupstr;
4479 if (s3_skip_past_comma (&backupstr) == (int) s3_FAIL)
4480 return;
4481
4482 backupstr = tmp;
4483 sprintf (append_str, "li r1 %s", backupstr);
4484 s3_append_insn (append_str, TRUE);
4485
4486 memcpy (&s3_inst, &inst_backup, sizeof (struct s3_score_it));
4487 sprintf (append_str, " r%d, [r1,0]", reg_rd);
4488 s3_do_ldst_insn (append_str);
4489
4490 s3_nor1 = r1_bak;
4491 }
4492 /* Handle bcmpeq / bcmpne */
4493 static void
4494 s3_do_macro_bcmp (char *str)
4495 {
4496 int reg_a , reg_b;
4497 char keep_data[s3_MAX_LITERAL_POOL_SIZE];
4498 char* ptemp;
4499 int i=0;
4500 struct s3_score_it inst_expand[2];
4501 struct s3_score_it inst_main;
4502
4503
4504 s3_skip_whitespace (str);
4505 if (( reg_a = s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE)) == (int) s3_FAIL
4506 || s3_skip_past_comma (&str) == (int) s3_FAIL
4507 ||(reg_b = s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE)) == (int) s3_FAIL
4508 || s3_skip_past_comma (&str) == (int) s3_FAIL)
4509 return;
4510 ptemp =str;
4511 while(*ptemp!=0)
4512 {
4513 keep_data[i]=*ptemp;
4514 i++;
4515 ptemp++;
4516 }
4517 keep_data[i]=0;
4518 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL
4519 ||reg_b ==0
4520 || s3_end_of_line (str) == (int) s3_FAIL)
4521 return ;
4522 else if (s3_inst.reloc.exp.X_add_symbol == 0)
4523 {
4524 s3_inst.error = _("lacking label ");
4525 return;
4526 }
4527 else
4528 {
4529 char append_str[s3_MAX_LITERAL_POOL_SIZE];
4530 s3_SET_INSN_ERROR (NULL);
4531
4532 s3_inst.reloc.type = BFD_RELOC_SCORE_BCMP;
4533 s3_inst.reloc.pc_rel = 1;
4534 bfd_signed_vma val = s3_inst.reloc.exp.X_add_number;
4535
4536 /* Branch 32 offset field : 20 bit, 16 bit branch offset field : 8 bit. */
4537 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;
4538
4539 /* Check and set offset. */
4540 if (((val & 0xfffffe00) != 0)
4541 && ((val & 0xfffffe00) != 0xfffffe00))
4542 {
4543 /* support bcmp --> cmp!+beq (bne) */
4544 if (s3_score_pic == s3_NO_PIC)
4545 {
4546 sprintf (&append_str[0], "cmp! r%d, r%d", reg_a, reg_b);
4547 if (s3_append_insn (&append_str[0], TRUE) == (int) s3_FAIL)
4548 return;
4549 if ((inst_main.instruction & 0x3e00007e) == 0x0000004c)
4550 sprintf (&append_str[1], "beq %s", keep_data);
4551 else
4552 sprintf (&append_str[1], "bne %s", keep_data);
4553 if (s3_append_insn (&append_str[1], TRUE) == (int) s3_FAIL)
4554 return;
4555 }
4556 else
4557 {
4558 gas_assert (s3_inst.reloc.exp.X_add_symbol);
4559 }
4560 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4561 s3_inst.bwarn = -1;
4562 return;
4563 }
4564 else
4565 {
4566 val >>= 1;
4567 s3_inst.instruction |= (val & 0x1)
4568 | (((val >> 1) & 0x7) << 7)
4569 | (((val >> 4) & 0x1f) << 20);
4570 }
4571
4572 /* Backup s3_inst. */
4573 memcpy (&inst_main, &s3_inst, sizeof (struct s3_score_it));
4574
4575 if (s3_score_pic == s3_NO_PIC)
4576 {
4577 sprintf (&append_str[0], "cmp! r%d, r%d", reg_a, reg_b);
4578 if (s3_append_insn (&append_str[0], FALSE) == (int) s3_FAIL)
4579 return;
4580 memcpy (&inst_expand[0], &s3_inst, sizeof (struct s3_score_it));
4581
4582 if ((inst_main.instruction & 0x3e00007e) == 0x0000004c)
4583 sprintf (&append_str[1], "beq %s", keep_data);
4584 else
4585 sprintf (&append_str[1], "bne %s", keep_data);
4586 if (s3_append_insn (&append_str[1], FALSE) == (int) s3_FAIL)
4587 return;
4588 memcpy (&inst_expand[1], &s3_inst, sizeof (struct s3_score_it));
4589 }
4590 else
4591 {
4592 gas_assert (s3_inst.reloc.exp.X_add_symbol);
4593 }
4594 inst_main.relax_size = inst_expand[0].size + inst_expand[1].size;
4595 inst_main.type = Insn_BCMP;
4596
4597 /* Adjust instruction opcode and to be relaxed instruction opcode. */
4598 inst_main.instruction = s3_adjust_paritybit (inst_main.instruction, s3_GET_INSN_CLASS (inst_main.type));
4599
4600 for (i = 0; i < 2; i++)
4601 inst_expand[i].instruction = s3_adjust_paritybit (inst_expand[i].instruction,
4602 s3_GET_INSN_CLASS (inst_expand[i].type));
4603 /* Check data dependency. */
4604 s3_handle_dependency (&inst_main);
4605 /* Start a new frag if frag_now is not empty. */
4606 if (frag_now_fix () != 0)
4607 {
4608 if (!frag_now->tc_frag_data.is_insn)
4609 frag_wane (frag_now);
4610 frag_new (0);
4611 }
4612 frag_grow (20);
4613
4614 /* Write fr_fix part. */
4615 char *p;
4616 p = frag_more (inst_main.size);
4617 s3_md_number_to_chars (p, inst_main.instruction, inst_main.size);
4618
4619 if (inst_main.reloc.type != BFD_RELOC_NONE)
4620 {
4621 s3_fix_new_score (frag_now, p - frag_now->fr_literal, inst_main.size,
4622 &inst_main.reloc.exp, inst_main.reloc.pc_rel, inst_main.reloc.type);
4623 }
4624 #ifdef OBJ_ELF
4625 dwarf2_emit_insn (inst_main.size);
4626 #endif
4627
4628 /* s3_GP instruction can not do optimization, only can do relax between
4629 1 instruction and 3 instructions. */
4630 p = frag_var (rs_machine_dependent, inst_main.relax_size + s3_RELAX_PAD_BYTE, 0,
4631 s3_RELAX_ENCODE (inst_main.size, inst_main.relax_size, inst_main.type, 0, 4, 1),
4632 inst_main.reloc.exp.X_add_symbol, 0, NULL);
4633
4634 /* Write fr_var part.
4635 no calling s3_gen_insn_frag, no fixS will be generated. */
4636 s3_md_number_to_chars (p, inst_expand[0].instruction, inst_expand[0].size);
4637 p += inst_expand[0].size;
4638 s3_md_number_to_chars (p, inst_expand[1].instruction, inst_expand[1].size);
4639 p += inst_expand[1].size;
4640
4641 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4642 s3_inst.bwarn = -1;
4643 }
4644 }
4645
4646 /* Handle bcmpeqz / bcmpnez */
4647 static void
4648 s3_do_macro_bcmpz (char *str)
4649 {
4650 int reg_a ;
4651 char keep_data[s3_MAX_LITERAL_POOL_SIZE];
4652 char* ptemp;
4653 int i=0;
4654 struct s3_score_it inst_expand[2];
4655 struct s3_score_it inst_main;
4656
4657 s3_skip_whitespace (str);
4658 if (( reg_a = s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE)) == (int) s3_FAIL
4659 || s3_skip_past_comma (&str) == (int) s3_FAIL )
4660 return;
4661 ptemp =str;
4662 while(*ptemp!=0)
4663 {
4664 keep_data[i]=*ptemp;
4665 i++;
4666 ptemp++;
4667 }
4668 keep_data[i]=0;
4669 if ( s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL
4670 || s3_end_of_line (str) == (int) s3_FAIL)
4671 return ;
4672
4673 else if (s3_inst.reloc.exp.X_add_symbol == 0)
4674 {
4675 s3_inst.error = _("lacking label ");
4676 return;
4677 }
4678 else
4679 {
4680 char append_str[s3_MAX_LITERAL_POOL_SIZE];
4681 s3_SET_INSN_ERROR (NULL);
4682 s3_inst.reloc.type = BFD_RELOC_SCORE_BCMP;
4683 s3_inst.reloc.pc_rel = 1;
4684 bfd_signed_vma val = s3_inst.reloc.exp.X_add_number;
4685
4686 /* Branch 32 offset field : 20 bit, 16 bit branch offset field : 8 bit. */
4687 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;
4688
4689 /* Check and set offset. */
4690 if (((val & 0xfffffe00) != 0)
4691 && ((val & 0xfffffe00) != 0xfffffe00))
4692 {
4693 if (s3_score_pic == s3_NO_PIC)
4694 {
4695 sprintf (&append_str[0], "cmpi! r%d,0", reg_a);
4696 if (s3_append_insn (&append_str[0], TRUE) == (int) s3_FAIL)
4697 return;
4698 if ((inst_main.instruction & 0x3e00007e) == 0x0000004c)
4699 sprintf (&append_str[1], "beq %s", keep_data);
4700 else
4701 sprintf (&append_str[1], "bne %s", keep_data);
4702 if (s3_append_insn (&append_str[1], TRUE) == (int) s3_FAIL)
4703 return;
4704 }
4705 else
4706 {
4707 gas_assert (s3_inst.reloc.exp.X_add_symbol);
4708 }
4709 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4710 s3_inst.bwarn = -1;
4711 return;
4712 }
4713 else
4714 {
4715 val >>= 1;
4716 s3_inst.instruction |= (val & 0x1)
4717 | (((val >> 1) & 0x7) << 7)
4718 | (((val >> 4) & 0x1f) << 20);
4719 }
4720
4721 /* Backup s3_inst. */
4722 memcpy (&inst_main, &s3_inst, sizeof (struct s3_score_it));
4723
4724 if (s3_score_pic == s3_NO_PIC)
4725 {
4726 sprintf (&append_str[0], "cmpi! r%d, 0", reg_a);
4727 if (s3_append_insn (&append_str[0], FALSE) == (int) s3_FAIL)
4728 return;
4729 memcpy (&inst_expand[0], &s3_inst, sizeof (struct s3_score_it));
4730 if ((inst_main.instruction & 0x3e00007e) == 0x0000004c)
4731 sprintf (&append_str[1], "beq %s", keep_data);
4732 else
4733 sprintf (&append_str[1], "bne %s", keep_data);
4734 if (s3_append_insn (&append_str[1], FALSE) == (int) s3_FAIL)
4735 return;
4736 memcpy (&inst_expand[1], &s3_inst, sizeof (struct s3_score_it));
4737 }
4738 else
4739 {
4740 gas_assert (s3_inst.reloc.exp.X_add_symbol);
4741 }
4742 inst_main.relax_size = inst_expand[0].size + inst_expand[1].size;
4743 inst_main.type = Insn_BCMP;
4744
4745 /* Adjust instruction opcode and to be relaxed instruction opcode. */
4746 inst_main.instruction = s3_adjust_paritybit (inst_main.instruction, s3_GET_INSN_CLASS (inst_main.type));
4747
4748 for (i = 0; i < 2; i++)
4749 inst_expand[i].instruction = s3_adjust_paritybit (inst_expand[i].instruction , s3_GET_INSN_CLASS (inst_expand[i].type));
4750 /* Check data dependency. */
4751 s3_handle_dependency (&inst_main);
4752 /* Start a new frag if frag_now is not empty. */
4753 if (frag_now_fix () != 0)
4754 {
4755 if (!frag_now->tc_frag_data.is_insn)
4756 frag_wane (frag_now);
4757 frag_new (0);
4758 }
4759 frag_grow (20);
4760
4761 /* Write fr_fix part. */
4762 char *p;
4763 p = frag_more (inst_main.size);
4764 s3_md_number_to_chars (p, inst_main.instruction, inst_main.size);
4765
4766 if (inst_main.reloc.type != BFD_RELOC_NONE)
4767 {
4768 s3_fix_new_score (frag_now, p - frag_now->fr_literal, inst_main.size,
4769 &inst_main.reloc.exp, inst_main.reloc.pc_rel, inst_main.reloc.type);
4770 }
4771 #ifdef OBJ_ELF
4772 dwarf2_emit_insn (inst_main.size);
4773 #endif
4774
4775 /* s3_GP instruction can not do optimization, only can do relax between
4776 1 instruction and 3 instructions. */
4777 p = frag_var (rs_machine_dependent, inst_main.relax_size + s3_RELAX_PAD_BYTE, 0,
4778 s3_RELAX_ENCODE (inst_main.size, inst_main.relax_size, inst_main.type, 0, 4, 1),
4779 inst_main.reloc.exp.X_add_symbol, 0, NULL);
4780
4781 /* Write fr_var part.
4782 no calling s3_gen_insn_frag, no fixS will be generated. */
4783 s3_md_number_to_chars (p, inst_expand[0].instruction, inst_expand[0].size);
4784 p += inst_expand[0].size;
4785 s3_md_number_to_chars (p, inst_expand[1].instruction, inst_expand[1].size);
4786 p += inst_expand[1].size;
4787
4788 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4789 s3_inst.bwarn = -1;
4790 }
4791 }
4792
4793 static int
4794 s3_nopic_need_relax (symbolS * sym, int before_relaxing)
4795 {
4796 if (sym == NULL)
4797 return 0;
4798 else if (s3_USE_GLOBAL_POINTER_OPT && s3_g_switch_value > 0)
4799 {
4800 const char *symname;
4801 const char *segname;
4802
4803 /* Find out whether this symbol can be referenced off the $gp
4804 register. It can be if it is smaller than the -G size or if
4805 it is in the .sdata or .sbss section. Certain symbols can
4806 not be referenced off the $gp, although it appears as though
4807 they can. */
4808 symname = S_GET_NAME (sym);
4809 if (symname != (const char *)NULL
4810 && (strcmp (symname, "eprol") == 0
4811 || strcmp (symname, "etext") == 0
4812 || strcmp (symname, "_gp") == 0
4813 || strcmp (symname, "edata") == 0
4814 || strcmp (symname, "_fbss") == 0
4815 || strcmp (symname, "_fdata") == 0
4816 || strcmp (symname, "_ftext") == 0
4817 || strcmp (symname, "end") == 0
4818 || strcmp (symname, GP_DISP_LABEL) == 0))
4819 {
4820 return 1;
4821 }
4822 else if ((!S_IS_DEFINED (sym) || S_IS_COMMON (sym)) && (0
4823 /* We must defer this decision until after the whole file has been read,
4824 since there might be a .extern after the first use of this symbol. */
4825 || (before_relaxing
4826 && S_GET_VALUE (sym) == 0)
4827 || (S_GET_VALUE (sym) != 0
4828 && S_GET_VALUE (sym) <= s3_g_switch_value)))
4829 {
4830 return 0;
4831 }
4832
4833 segname = segment_name (S_GET_SEGMENT (sym));
4834 return (strcmp (segname, ".sdata") != 0
4835 && strcmp (segname, ".sbss") != 0
4836 && strncmp (segname, ".sdata.", 7) != 0
4837 && strncmp (segname, ".gnu.linkonce.s.", 16) != 0);
4838 }
4839 /* We are not optimizing for the $gp register. */
4840 else
4841 return 1;
4842 }
4843
4844 /* Build a relax frag for lw/st instruction when generating s3_PIC,
4845 external symbol first and local symbol second. */
4846 static void
4847 s3_build_lwst_pic (int reg_rd, expressionS exp, const char *insn_name)
4848 {
4849 symbolS *add_symbol = exp.X_add_symbol;
4850 int add_number = exp.X_add_number;
4851 struct s3_score_it fix_insts[s3_RELAX_INST_NUM];
4852 struct s3_score_it var_insts[s3_RELAX_INST_NUM];
4853 int fix_num = 0;
4854 int var_num = 0;
4855 char tmp[s3_MAX_LITERAL_POOL_SIZE];
4856 int r1_bak;
4857
4858 r1_bak = s3_nor1;
4859 s3_nor1 = 0;
4860
4861 if ((add_number == 0) || (add_number >= -0x8000 && add_number <= 0x7fff))
4862 {
4863 fix_num = 1;
4864 var_num = 2;
4865
4866 /* For an external symbol, two insns are generated;
4867 For a local symbol, three insns are generated. */
4868 /* Fix part
4869 For an external symbol: lw rD, <sym>($gp)
4870 (BFD_RELOC_SCORE_GOT15) */
4871 sprintf (tmp, "lw_pic r1, %s", add_symbol->bsym->name);
4872 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4873 return;
4874
4875 memcpy (&fix_insts[0], &s3_inst, sizeof (struct s3_score_it));
4876
4877 /* Var part
4878 For a local symbol :
4879 lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15)
4880 addi rD, <sym> (BFD_RELOC_GOT_LO16) */
4881 s3_inst.reloc.type = BFD_RELOC_SCORE_GOT15;
4882 memcpy (&var_insts[0], &s3_inst, sizeof (struct s3_score_it));
4883 sprintf (tmp, "addi_s_pic r1, %s", add_symbol->bsym->name);
4884 if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL)
4885 return;
4886
4887 memcpy (&var_insts[1], &s3_inst, sizeof (struct s3_score_it));
4888 s3_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol);
4889
4890 /* Insn 2 or Insn 3: lw/st rD, [r1, constant] */
4891 sprintf (tmp, "%s r%d, [r1, %d]", insn_name, reg_rd, add_number);
4892 if (s3_append_insn (tmp, TRUE) == (int) s3_FAIL)
4893 return;
4894
4895 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
4896 s3_inst.bwarn = -1;
4897 }
4898 else
4899 {
4900 s3_inst.error = _("s3_PIC code offset overflow (max 16 signed bits)");
4901 return;
4902 }
4903
4904 s3_nor1 = r1_bak;
4905 }
4906
4907 static void
4908 s3_do_macro_ldst_label (char *str)
4909 {
4910 int i;
4911 int ldst_gp_p = 0;
4912 int reg_rd;
4913 int r1_bak;
4914 char *backup_str;
4915 char *label_str;
4916 char *absolute_value;
4917 char append_str[3][s3_MAX_LITERAL_POOL_SIZE];
4918 char verifystr[s3_MAX_LITERAL_POOL_SIZE];
4919 struct s3_score_it inst_backup;
4920 struct s3_score_it inst_expand[3];
4921 struct s3_score_it inst_main;
4922
4923 memcpy (&inst_backup, &s3_inst, sizeof (struct s3_score_it));
4924 strcpy (verifystr, str);
4925 backup_str = verifystr;
4926
4927 s3_skip_whitespace (backup_str);
4928 if ((reg_rd = s3_reg_required_here (&backup_str, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
4929 return;
4930
4931 if (s3_skip_past_comma (&backup_str) == (int) s3_FAIL)
4932 return;
4933
4934 label_str = backup_str;
4935
4936 /* Ld/st rD, [rA, imm] ld/st rD, [rA]+, imm ld/st rD, [rA, imm]+. */
4937 if (*backup_str == '[')
4938 {
4939 s3_inst.type = Rd_rvalueRs_preSI12;
4940 s3_do_ldst_insn (str);
4941 return;
4942 }
4943
4944 /* Ld/st rD, imm. */
4945 absolute_value = backup_str;
4946 s3_inst.type = Rd_rvalueRs_SI15;
4947
4948 if (s3_my_get_expression (&s3_inst.reloc.exp, &backup_str) == (int) s3_FAIL)
4949 {
4950 s3_inst.error = _("expression error");
4951 return;
4952 }
4953 else if ((s3_inst.reloc.exp.X_add_symbol == NULL)
4954 && (s3_validate_immediate (s3_inst.reloc.exp.X_add_number, _VALUE, 0) == (int) s3_FAIL))
4955 {
4956 s3_inst.error = _("value not in range [0, 0x7fffffff]");
4957 return;
4958 }
4959 else if (s3_end_of_line (backup_str) == (int) s3_FAIL)
4960 {
4961 s3_inst.error = _("end on line error");
4962 return;
4963 }
4964 else
4965 {
4966 if (s3_inst.reloc.exp.X_add_symbol == 0)
4967 {
4968 memcpy (&s3_inst, &inst_backup, sizeof (struct s3_score_it));
4969 s3_exp_macro_ldst_abs (str);
4970 return;
4971 }
4972 }
4973
4974 /* Ld/st rD, label. */
4975 s3_inst.type = Rd_rvalueRs_SI15;
4976 backup_str = absolute_value;
4977 if ((s3_data_op2 (&backup_str, 1, _GP_IMM15) == (int) s3_FAIL)
4978 || (s3_end_of_line (backup_str) == (int) s3_FAIL))
4979 {
4980 return;
4981 }
4982 else
4983 {
4984 if (s3_inst.reloc.exp.X_add_symbol == 0)
4985 {
4986 if (!s3_inst.error)
4987 s3_inst.error = s3_BAD_ARGS;
4988
4989 return;
4990 }
4991
4992 if (s3_score_pic == s3_PIC)
4993 {
4994 int ldst_idx = 0;
4995 ldst_idx = s3_inst.instruction & OPC_PSEUDOLDST_MASK;
4996 s3_build_lwst_pic (reg_rd, s3_inst.reloc.exp,
4997 s3_score_ldst_insns[ldst_idx * 3 + 0].template_name);
4998 return;
4999 }
5000 else
5001 {
5002 if ((s3_inst.reloc.exp.X_add_number <= 0x3fff)
5003 && (s3_inst.reloc.exp.X_add_number >= -0x4000)
5004 && (!s3_nopic_need_relax (s3_inst.reloc.exp.X_add_symbol, 1)))
5005 {
5006 int ldst_idx = 0;
5007
5008 /* Assign the real opcode. */
5009 ldst_idx = s3_inst.instruction & OPC_PSEUDOLDST_MASK;
5010 s3_inst.instruction &= ~OPC_PSEUDOLDST_MASK;
5011 s3_inst.instruction |= s3_score_ldst_insns[ldst_idx * 3 + 0].value;
5012 s3_inst.instruction |= reg_rd << 20;
5013 s3_inst.instruction |= s3_GP << 15;
5014 s3_inst.relax_inst = 0x8000;
5015 s3_inst.relax_size = 0;
5016 ldst_gp_p = 1;
5017 }
5018 }
5019 }
5020
5021 /* Backup s3_inst. */
5022 memcpy (&inst_main, &s3_inst, sizeof (struct s3_score_it));
5023 r1_bak = s3_nor1;
5024 s3_nor1 = 0;
5025
5026 /* Determine which instructions should be output. */
5027 sprintf (append_str[0], "ld_i32hi r1, %s", label_str);
5028 sprintf (append_str[1], "ld_i32lo r1, %s", label_str);
5029 sprintf (append_str[2], "%s r%d, [r1, 0]", inst_backup.name, reg_rd);
5030
5031 /* Generate three instructions.
5032 la r1, label
5033 ld/st rd, [r1, 0] */
5034 for (i = 0; i < 3; i++)
5035 {
5036 if (s3_append_insn (append_str[i], FALSE) == (int) s3_FAIL)
5037 return;
5038
5039 memcpy (&inst_expand[i], &s3_inst, sizeof (struct s3_score_it));
5040 }
5041
5042 if (ldst_gp_p)
5043 {
5044 char *p;
5045
5046 /* Adjust instruction opcode and to be relaxed instruction opcode. */
5047 inst_main.instruction = s3_adjust_paritybit (inst_main.instruction, s3_GET_INSN_CLASS (inst_main.type));
5048
5049 /* relax lw rd, label -> ldis rs, imm16
5050 ori rd, imm16
5051 lw rd, [rs, imm15] or lw! rd, [rs, imm5]. */
5052 if (inst_expand[2].relax_size == 0)
5053 inst_main.relax_size = inst_expand[0].size + inst_expand[1].size + inst_expand[2].size;
5054 else
5055 inst_main.relax_size = inst_expand[0].size + inst_expand[1].size + inst_expand[2].relax_size;
5056
5057 inst_main.type = Insn_GP;
5058
5059 for (i = 0; i < 3; i++)
5060 inst_expand[i].instruction = s3_adjust_paritybit (inst_expand[i].instruction,
5061 s3_GET_INSN_CLASS (inst_expand[i].type));
5062
5063 /* Check data dependency. */
5064 s3_handle_dependency (&inst_main);
5065
5066 /* Start a new frag if frag_now is not empty. */
5067 if (frag_now_fix () != 0)
5068 {
5069 if (!frag_now->tc_frag_data.is_insn)
5070 frag_wane (frag_now);
5071
5072 frag_new (0);
5073 }
5074 frag_grow (20);
5075
5076 /* Write fr_fix part. */
5077 p = frag_more (inst_main.size);
5078 s3_md_number_to_chars (p, inst_main.instruction, inst_main.size);
5079
5080 if (inst_main.reloc.type != BFD_RELOC_NONE)
5081 {
5082 s3_fix_new_score (frag_now, p - frag_now->fr_literal, inst_main.size,
5083 &inst_main.reloc.exp, inst_main.reloc.pc_rel, inst_main.reloc.type);
5084 }
5085
5086 #ifdef OBJ_ELF
5087 dwarf2_emit_insn (inst_main.size);
5088 #endif
5089
5090 /* s3_GP instruction can not do optimization, only can do relax between
5091 1 instruction and 3 instructions. */
5092 p = frag_var (rs_machine_dependent, inst_main.relax_size + s3_RELAX_PAD_BYTE, 0,
5093 s3_RELAX_ENCODE (inst_main.size, inst_main.relax_size, inst_main.type, 0, 4, 0),
5094 inst_main.reloc.exp.X_add_symbol, 0, NULL);
5095
5096 /* Write fr_var part.
5097 no calling s3_gen_insn_frag, no fixS will be generated. */
5098 s3_md_number_to_chars (p, inst_expand[0].instruction, inst_expand[0].size);
5099 p += inst_expand[0].size;
5100 s3_md_number_to_chars (p, inst_expand[1].instruction, inst_expand[1].size);
5101 p += inst_expand[1].size;
5102
5103 /* relax lw rd, label -> ldis rs, imm16
5104 ori rd, imm16
5105 lw rd, [rs, imm15] or lw! rd, [rs, imm5]. */
5106 if (inst_expand[2].relax_size == 0)
5107 s3_md_number_to_chars (p, inst_expand[2].instruction, inst_expand[2].size);
5108 else
5109 s3_md_number_to_chars (p, inst_expand[2].relax_inst, inst_expand[2].relax_size);
5110 }
5111 else
5112 {
5113 s3_gen_insn_frag (&inst_expand[0], NULL);
5114 s3_gen_insn_frag (&inst_expand[1], NULL);
5115 s3_gen_insn_frag (&inst_expand[2], NULL);
5116 }
5117 s3_nor1 = r1_bak;
5118
5119 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
5120 s3_inst.bwarn = -1;
5121 }
5122
5123 static void
5124 s3_do_lw_pic (char *str)
5125 {
5126 int reg_rd;
5127
5128 s3_skip_whitespace (str);
5129 if (((reg_rd = s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
5130 || (s3_skip_past_comma (&str) == (int) s3_FAIL)
5131 || (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL)
5132 || (s3_end_of_line (str) == (int) s3_FAIL))
5133 {
5134 return;
5135 }
5136 else
5137 {
5138 if (s3_inst.reloc.exp.X_add_symbol == 0)
5139 {
5140 if (!s3_inst.error)
5141 s3_inst.error = s3_BAD_ARGS;
5142
5143 return;
5144 }
5145
5146 s3_inst.instruction |= s3_GP << 15;
5147 s3_inst.reloc.type = BFD_RELOC_SCORE_GOT15;
5148 }
5149 }
5150
5151 static void
5152 s3_do_empty (char *str)
5153 {
5154 str = str;
5155 if (s3_university_version == 1)
5156 {
5157 if (((s3_inst.instruction & 0x3e0003ff) == 0x0c000004)
5158 || ((s3_inst.instruction & 0x3e0003ff) == 0x0c000024)
5159 || ((s3_inst.instruction & 0x3e0003ff) == 0x0c000044)
5160 || ((s3_inst.instruction & 0x3e0003ff) == 0x0c000064))
5161 {
5162 s3_inst.error = s3_ERR_FOR_SCORE5U_MMU;
5163 return;
5164 }
5165 }
5166 if (s3_end_of_line (str) == (int) s3_FAIL)
5167 return;
5168
5169 if (s3_inst.relax_inst != 0x8000)
5170 {
5171 if (s3_inst.type == NO_OPD)
5172 {
5173 s3_inst.relax_size = 2;
5174 }
5175 else
5176 {
5177 s3_inst.relax_size = 4;
5178 }
5179 }
5180 }
5181
5182 static void
5183 s3_do16_int (char *str)
5184 {
5185 s3_skip_whitespace (str);
5186 return;
5187 }
5188
5189 static void
5190 s3_do_jump (char *str)
5191 {
5192 char *save_in;
5193
5194 s3_skip_whitespace (str);
5195 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL
5196 || s3_end_of_line (str) == (int) s3_FAIL)
5197 return;
5198
5199 if (s3_inst.reloc.exp.X_add_symbol == 0)
5200 {
5201 s3_inst.error = _("lacking label ");
5202 return;
5203 }
5204
5205 if (!(s3_inst.reloc.exp.X_add_number >= -16777216
5206 && s3_inst.reloc.exp.X_add_number <= 16777215))
5207 {
5208 s3_inst.error = _("invalid constant: 25 bit expression not in range [-16777216, 16777215]");
5209 return;
5210 }
5211
5212 save_in = input_line_pointer;
5213 input_line_pointer = str;
5214 s3_inst.reloc.type = BFD_RELOC_SCORE_JMP;
5215 s3_inst.reloc.pc_rel = 1;
5216 input_line_pointer = save_in;
5217 }
5218
5219 static void
5220 s3_do_branch (char *str)
5221 {
5222 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL
5223 || s3_end_of_line (str) == (int) s3_FAIL)
5224 {
5225 return;
5226 }
5227 else if (s3_inst.reloc.exp.X_add_symbol == 0)
5228 {
5229 s3_inst.error = _("lacking label ");
5230 return;
5231 }
5232 else if (!(s3_inst.reloc.exp.X_add_number >= -524288
5233 && s3_inst.reloc.exp.X_add_number <= 524287))
5234 {
5235 s3_inst.error = _("invalid constant: 20 bit expression not in range -2^19..2^19");
5236 return;
5237 }
5238
5239 s3_inst.reloc.type = BFD_RELOC_SCORE_BRANCH;
5240 s3_inst.reloc.pc_rel = 1;
5241
5242 /* Branch 32 offset field : 20 bit, 16 bit branch offset field : 8 bit. */
5243 s3_inst.instruction |= (s3_inst.reloc.exp.X_add_number & 0x3fe) | ((s3_inst.reloc.exp.X_add_number & 0xffc00) << 5);
5244
5245 /* Compute 16 bit branch instruction. */
5246 if ((s3_inst.relax_inst != 0x8000)
5247 && (s3_inst.reloc.exp.X_add_number >= -512 && s3_inst.reloc.exp.X_add_number <= 511))
5248 {
5249 s3_inst.relax_inst |= ((s3_inst.reloc.exp.X_add_number >> 1) & 0x1ff);/*b! :disp 9 bit */
5250 s3_inst.relax_size = 2;
5251 }
5252 else
5253 {
5254 s3_inst.relax_inst = 0x8000;
5255 }
5256 }
5257
5258 static void
5259 s3_do16_branch (char *str)
5260 {
5261 if ((s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL
5262 || s3_end_of_line (str) == (int) s3_FAIL))
5263 {
5264 ;
5265 }
5266 else if (s3_inst.reloc.exp.X_add_symbol == 0)
5267 {
5268 s3_inst.error = _("lacking label");
5269 }
5270 else if (!(s3_inst.reloc.exp.X_add_number >= -512
5271 && s3_inst.reloc.exp.X_add_number <= 511))
5272 {
5273 s3_inst.error = _("invalid constant: 10 bit expression not in range [-2^9, 2^9-1]");
5274 }
5275 else
5276 {
5277 s3_inst.reloc.type = BFD_RELOC_SCORE16_BRANCH;
5278 s3_inst.reloc.pc_rel = 1;
5279 s3_inst.instruction |= ((s3_inst.reloc.exp.X_add_number >> 1) & 0x1ff);
5280 s3_inst.relax_inst |= ((s3_inst.reloc.exp.X_add_number ) & 0x1ff);
5281 s3_inst.relax_size = 4;
5282 }
5283 }
5284
5285 /* Return true if the given symbol should be considered local for s3_PIC. */
5286 static bfd_boolean
5287 s3_pic_need_relax (symbolS *sym, asection *segtype)
5288 {
5289 asection *symsec;
5290 bfd_boolean linkonce;
5291
5292 /* Handle the case of a symbol equated to another symbol. */
5293 while (symbol_equated_reloc_p (sym))
5294 {
5295 symbolS *n;
5296
5297 /* It's possible to get a loop here in a badly written
5298 program. */
5299 n = symbol_get_value_expression (sym)->X_add_symbol;
5300 if (n == sym)
5301 break;
5302 sym = n;
5303 }
5304
5305 symsec = S_GET_SEGMENT (sym);
5306
5307 /* duplicate the test for LINK_ONCE sections as in adjust_reloc_syms */
5308 linkonce = FALSE;
5309 if (symsec != segtype && ! S_IS_LOCAL (sym))
5310 {
5311 if ((bfd_get_section_flags (stdoutput, symsec) & SEC_LINK_ONCE) != 0)
5312 linkonce = TRUE;
5313
5314 /* The GNU toolchain uses an extension for ELF: a section
5315 beginning with the magic string .gnu.linkonce is a linkonce
5316 section. */
5317 if (strncmp (segment_name (symsec), ".gnu.linkonce",
5318 sizeof ".gnu.linkonce" - 1) == 0)
5319 linkonce = TRUE;
5320 }
5321
5322 /* This must duplicate the test in adjust_reloc_syms. */
5323 return (symsec != &bfd_und_section
5324 && symsec != &bfd_abs_section
5325 && ! bfd_is_com_section (symsec)
5326 && !linkonce
5327 #ifdef OBJ_ELF
5328 /* A global or weak symbol is treated as external. */
5329 && (OUTPUT_FLAVOR != bfd_target_elf_flavour
5330 || (! S_IS_WEAK (sym) && ! S_IS_EXTERNAL (sym)))
5331 #endif
5332 );
5333 }
5334
5335 static void
5336 s3_parse_pce_inst (char *insnstr)
5337 {
5338 char c;
5339 char *p;
5340 char first[s3_MAX_LITERAL_POOL_SIZE];
5341 char second[s3_MAX_LITERAL_POOL_SIZE];
5342 struct s3_score_it pec_part_1;
5343
5344 /* Get first part string of PCE. */
5345 p = strstr (insnstr, "||");
5346 c = *p;
5347 *p = '\0';
5348 sprintf (first, "%s", insnstr);
5349
5350 /* Get second part string of PCE. */
5351 *p = c;
5352 p += 2;
5353 sprintf (second, "%s", p);
5354
5355 s3_parse_16_32_inst (first, FALSE);
5356 if (s3_inst.error)
5357 return;
5358
5359 memcpy (&pec_part_1, &s3_inst, sizeof (s3_inst));
5360
5361 s3_parse_16_32_inst (second, FALSE);
5362 if (s3_inst.error)
5363 return;
5364
5365 if ( ((pec_part_1.size == s3_INSN_SIZE) && (s3_inst.size == s3_INSN_SIZE))
5366 || ((pec_part_1.size == s3_INSN_SIZE) && (s3_inst.size == s3_INSN16_SIZE))
5367 || ((pec_part_1.size == s3_INSN16_SIZE) && (s3_inst.size == s3_INSN_SIZE)))
5368 {
5369 s3_inst.error = _("pce instruction error (16 bit || 16 bit)'");
5370 sprintf (s3_inst.str, insnstr);
5371 return;
5372 }
5373
5374 if (!s3_inst.error)
5375 s3_gen_insn_frag (&pec_part_1, &s3_inst);
5376 }
5377
5378 /* s3: dsp. */
5379 static void
5380 s3_do16_dsp (char *str)
5381 {
5382 int rd = 0;
5383
5384 /* Check 3d. */
5385 if (s3_score3d == 0)
5386 {
5387 s3_inst.error = _("score3d instruction.");
5388 return;
5389 }
5390
5391 s3_skip_whitespace (str);
5392
5393 if ((rd = s3_reglow_required_here (&str, 0)) == (int) s3_FAIL
5394 || s3_end_of_line (str) == (int) s3_FAIL)
5395 {
5396 return;
5397 }
5398 else
5399 {
5400 s3_inst.relax_inst |= rd << 20;
5401 s3_inst.relax_size = 4;
5402 }
5403 }
5404
5405 static void
5406 s3_do16_dsp2 (char *str)
5407 {
5408 /* Check 3d. */
5409 if (s3_score3d == 0)
5410 {
5411 s3_inst.error = _("score3d instruction.");
5412 return;
5413 }
5414
5415 s3_skip_whitespace (str);
5416
5417 if (s3_reglow_required_here (&str, 4) == (int) s3_FAIL
5418 || s3_skip_past_comma (&str) == (int) s3_FAIL
5419 || s3_reglow_required_here (&str, 0) == (int) s3_FAIL
5420 || s3_end_of_line (str) == (int) s3_FAIL)
5421 {
5422 return;
5423 }
5424 else
5425 {
5426 s3_inst.relax_inst |= (((s3_inst.instruction >> 8) & 0xf) << 20)
5427 | (((s3_inst.instruction >> 8) & 0xf) << 15) | (((s3_inst.instruction >> 4) & 0xf) << 10);
5428 s3_inst.relax_size = 4;
5429 }
5430 }
5431
5432 static void
5433 s3_do_dsp (char *str)
5434 {
5435 /* Check 3d. */
5436 if (s3_score3d == 0)
5437 {
5438 s3_inst.error = _("score3d instruction.");
5439 return;
5440 }
5441
5442 s3_skip_whitespace (str);
5443
5444 if (s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL
5445 || s3_skip_past_comma (&str) == (int) s3_FAIL
5446 || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE) == (int) s3_FAIL
5447 || s3_end_of_line (str) == (int) s3_FAIL)
5448 return;
5449
5450 if ((s3_inst.relax_inst != 0x8000) && (((s3_inst.instruction >> 20) & 0x1f) == 3) )
5451 {
5452 s3_inst.relax_inst |= (((s3_inst.instruction >> 10) & 0x1f)) | (((s3_inst.instruction >> 15) & 0x1f) << 5);
5453 s3_inst.relax_size = 2;
5454 }
5455 else
5456 s3_inst.relax_inst = 0x8000;
5457 }
5458
5459 static void
5460 s3_do_dsp2 (char *str)
5461 {
5462 int reg;
5463
5464 /* Check 3d. */
5465 if (s3_score3d == 0)
5466 {
5467 s3_inst.error = _("score3d instruction.");
5468 return;
5469 }
5470
5471 s3_skip_whitespace (str);
5472
5473 if ((reg = s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE)) == (int) s3_FAIL
5474 || s3_skip_past_comma (&str) == (int) s3_FAIL
5475 || s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL
5476 || s3_skip_past_comma (&str) == (int) s3_FAIL
5477 || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE) == (int) s3_FAIL
5478 || s3_end_of_line (str) == (int) s3_FAIL)
5479 {
5480 return;
5481 }
5482 else
5483 {
5484 /* Check mulr, mulur rd is even number. */
5485 if (((s3_inst.instruction & 0x3e0003ff) == 0x00000340
5486 || (s3_inst.instruction & 0x3e0003ff) == 0x00000342)
5487 && (reg % 2))
5488 {
5489 s3_inst.error = _("rd must be even number.");
5490 return;
5491 }
5492
5493 if ((((s3_inst.instruction >> 15) & 0x10) == 0)
5494 && (((s3_inst.instruction >> 10) & 0x10) == 0)
5495 && (((s3_inst.instruction >> 20) & 0x10) == 0)
5496 && (s3_inst.relax_inst != 0x8000)
5497 && (((s3_inst.instruction >> 20) & 0xf) == ((s3_inst.instruction >> 15) & 0xf)))
5498 {
5499 s3_inst.relax_inst |= (((s3_inst.instruction >> 10) & 0xf) )
5500 | (((s3_inst.instruction >> 15) & 0xf) << 4);
5501 s3_inst.relax_size = 2;
5502 }
5503 else
5504 {
5505 s3_inst.relax_inst = 0x8000;
5506 }
5507 }
5508 }
5509
5510 static void
5511 s3_do_dsp3 (char *str)
5512 {
5513 /* Check 3d. */
5514 if (s3_score3d == 0)
5515 {
5516 s3_inst.error = _("score3d instruction.");
5517 return;
5518 }
5519
5520 s3_skip_whitespace (str);
5521
5522 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL
5523 || s3_skip_past_comma (&str) == (int) s3_FAIL
5524 || s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL
5525 || s3_end_of_line (str) == (int) s3_FAIL)
5526 return;
5527
5528 if ((s3_inst.relax_inst != 0x8000) && (((s3_inst.instruction >> 20) & 0x1f) == 3) )
5529 {
5530 s3_inst.relax_inst |= (((s3_inst.instruction >> 10) & 0x1f)) | (((s3_inst.instruction >> 15) & 0x1f) << 5);
5531 s3_inst.relax_size = 2;
5532 }
5533 else
5534 s3_inst.relax_inst = 0x8000;
5535 }
5536
5537
5538 /* If we change section we must dump the literal pool first. */
5539 static void
5540 s3_s_score_bss (int ignore ATTRIBUTE_UNUSED)
5541 {
5542 subseg_set (bss_section, (subsegT) get_absolute_expression ());
5543 demand_empty_rest_of_line ();
5544 }
5545
5546 static void
5547 s3_s_score_text (int ignore)
5548 {
5549 obj_elf_text (ignore);
5550 record_alignment (now_seg, 2);
5551 }
5552
5553 static void
5554 s3_score_s_section (int ignore)
5555 {
5556 obj_elf_section (ignore);
5557 if ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0)
5558 record_alignment (now_seg, 2);
5559
5560 }
5561
5562 static void
5563 s3_s_change_sec (int sec)
5564 {
5565 segT seg;
5566
5567 #ifdef OBJ_ELF
5568 /* The ELF backend needs to know that we are changing sections, so
5569 that .previous works correctly. We could do something like check
5570 for an obj_section_change_hook macro, but that might be confusing
5571 as it would not be appropriate to use it in the section changing
5572 functions in read.c, since obj-elf.c intercepts those. FIXME:
5573 This should be cleaner, somehow. */
5574 obj_elf_section_change_hook ();
5575 #endif
5576 switch (sec)
5577 {
5578 case 'r':
5579 seg = subseg_new (s3_RDATA_SECTION_NAME, (subsegT) get_absolute_expression ());
5580 bfd_set_section_flags (stdoutput, seg, (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_RELOC | SEC_DATA));
5581 if (strcmp (TARGET_OS, "elf") != 0)
5582 record_alignment (seg, 4);
5583 demand_empty_rest_of_line ();
5584 break;
5585 case 's':
5586 seg = subseg_new (".sdata", (subsegT) get_absolute_expression ());
5587 bfd_set_section_flags (stdoutput, seg, SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA);
5588 if (strcmp (TARGET_OS, "elf") != 0)
5589 record_alignment (seg, 4);
5590 demand_empty_rest_of_line ();
5591 break;
5592 }
5593 }
5594
5595 static void
5596 s3_s_score_mask (int reg_type ATTRIBUTE_UNUSED)
5597 {
5598 long mask, off;
5599
5600 if (s3_cur_proc_ptr == (s3_procS *) NULL)
5601 {
5602 as_warn (_(".mask outside of .ent"));
5603 demand_empty_rest_of_line ();
5604 return;
5605 }
5606 if (get_absolute_expression_and_terminator (&mask) != ',')
5607 {
5608 as_warn (_("Bad .mask directive"));
5609 --input_line_pointer;
5610 demand_empty_rest_of_line ();
5611 return;
5612 }
5613 off = get_absolute_expression ();
5614 s3_cur_proc_ptr->reg_mask = mask;
5615 s3_cur_proc_ptr->reg_offset = off;
5616 demand_empty_rest_of_line ();
5617 }
5618
5619 static symbolS *
5620 s3_get_symbol (void)
5621 {
5622 int c;
5623 char *name;
5624 symbolS *p;
5625
5626 name = input_line_pointer;
5627 c = get_symbol_end ();
5628 p = (symbolS *) symbol_find_or_make (name);
5629 *input_line_pointer = c;
5630 return p;
5631 }
5632
5633 static long
5634 s3_get_number (void)
5635 {
5636 int negative = 0;
5637 long val = 0;
5638
5639 if (*input_line_pointer == '-')
5640 {
5641 ++input_line_pointer;
5642 negative = 1;
5643 }
5644 if (!ISDIGIT (*input_line_pointer))
5645 as_bad (_("expected simple number"));
5646 if (input_line_pointer[0] == '0')
5647 {
5648 if (input_line_pointer[1] == 'x')
5649 {
5650 input_line_pointer += 2;
5651 while (ISXDIGIT (*input_line_pointer))
5652 {
5653 val <<= 4;
5654 val |= hex_value (*input_line_pointer++);
5655 }
5656 return negative ? -val : val;
5657 }
5658 else
5659 {
5660 ++input_line_pointer;
5661 while (ISDIGIT (*input_line_pointer))
5662 {
5663 val <<= 3;
5664 val |= *input_line_pointer++ - '0';
5665 }
5666 return negative ? -val : val;
5667 }
5668 }
5669 if (!ISDIGIT (*input_line_pointer))
5670 {
5671 printf (_(" *input_line_pointer == '%c' 0x%02x\n"), *input_line_pointer, *input_line_pointer);
5672 as_warn (_("invalid number"));
5673 return -1;
5674 }
5675 while (ISDIGIT (*input_line_pointer))
5676 {
5677 val *= 10;
5678 val += *input_line_pointer++ - '0';
5679 }
5680 return negative ? -val : val;
5681 }
5682
5683 /* The .aent and .ent directives. */
5684 static void
5685 s3_s_score_ent (int aent)
5686 {
5687 symbolS *symbolP;
5688 int maybe_text;
5689
5690 symbolP = s3_get_symbol ();
5691 if (*input_line_pointer == ',')
5692 ++input_line_pointer;
5693 SKIP_WHITESPACE ();
5694 if (ISDIGIT (*input_line_pointer) || *input_line_pointer == '-')
5695 s3_get_number ();
5696
5697 #ifdef BFD_ASSEMBLER
5698 if ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0)
5699 maybe_text = 1;
5700 else
5701 maybe_text = 0;
5702 #else
5703 if (now_seg != data_section && now_seg != bss_section)
5704 maybe_text = 1;
5705 else
5706 maybe_text = 0;
5707 #endif
5708 if (!maybe_text)
5709 as_warn (_(".ent or .aent not in text section."));
5710 if (!aent && s3_cur_proc_ptr)
5711 as_warn (_("missing .end"));
5712 if (!aent)
5713 {
5714 s3_cur_proc_ptr = &s3_cur_proc;
5715 s3_cur_proc_ptr->reg_mask = 0xdeadbeaf;
5716 s3_cur_proc_ptr->reg_offset = 0xdeadbeaf;
5717 s3_cur_proc_ptr->fpreg_mask = 0xdeafbeaf;
5718 s3_cur_proc_ptr->leaf = 0xdeafbeaf;
5719 s3_cur_proc_ptr->frame_offset = 0xdeafbeaf;
5720 s3_cur_proc_ptr->frame_reg = 0xdeafbeaf;
5721 s3_cur_proc_ptr->pc_reg = 0xdeafbeaf;
5722 s3_cur_proc_ptr->isym = symbolP;
5723 symbol_get_bfdsym (symbolP)->flags |= BSF_FUNCTION;
5724 ++s3_numprocs;
5725 if (debug_type == DEBUG_STABS)
5726 stabs_generate_asm_func (S_GET_NAME (symbolP), S_GET_NAME (symbolP));
5727 }
5728 demand_empty_rest_of_line ();
5729 }
5730
5731 static void
5732 s3_s_score_frame (int ignore ATTRIBUTE_UNUSED)
5733 {
5734 char *backupstr;
5735 char str[30];
5736 long val;
5737 int i = 0;
5738
5739 backupstr = input_line_pointer;
5740
5741 #ifdef OBJ_ELF
5742 if (s3_cur_proc_ptr == (s3_procS *) NULL)
5743 {
5744 as_warn (_(".frame outside of .ent"));
5745 demand_empty_rest_of_line ();
5746 return;
5747 }
5748 s3_cur_proc_ptr->frame_reg = s3_reg_required_here ((&backupstr), 0, s3_REG_TYPE_SCORE);
5749 SKIP_WHITESPACE ();
5750 s3_skip_past_comma (&backupstr);
5751 while (*backupstr != ',')
5752 {
5753 str[i] = *backupstr;
5754 i++;
5755 backupstr++;
5756 }
5757 str[i] = '\0';
5758 val = atoi (str);
5759
5760 SKIP_WHITESPACE ();
5761 s3_skip_past_comma (&backupstr);
5762 s3_cur_proc_ptr->frame_offset = val;
5763 s3_cur_proc_ptr->pc_reg = s3_reg_required_here ((&backupstr), 0, s3_REG_TYPE_SCORE);
5764
5765 SKIP_WHITESPACE ();
5766 s3_skip_past_comma (&backupstr);
5767 i = 0;
5768 while (*backupstr != '\n')
5769 {
5770 str[i] = *backupstr;
5771 i++;
5772 backupstr++;
5773 }
5774 str[i] = '\0';
5775 val = atoi (str);
5776 s3_cur_proc_ptr->leaf = val;
5777 SKIP_WHITESPACE ();
5778 s3_skip_past_comma (&backupstr);
5779
5780 #endif /* OBJ_ELF */
5781 while (input_line_pointer != backupstr)
5782 input_line_pointer++;
5783 }
5784
5785 /* The .end directive. */
5786 static void
5787 s3_s_score_end (int x ATTRIBUTE_UNUSED)
5788 {
5789 symbolS *p;
5790 int maybe_text;
5791
5792 /* Generate a .pdr section. */
5793 segT saved_seg = now_seg;
5794 subsegT saved_subseg = now_subseg;
5795 valueT dot;
5796 expressionS exp;
5797 char *fragp;
5798
5799 if (!is_end_of_line[(unsigned char)*input_line_pointer])
5800 {
5801 p = s3_get_symbol ();
5802 demand_empty_rest_of_line ();
5803 }
5804 else
5805 p = NULL;
5806
5807 #ifdef BFD_ASSEMBLER
5808 if ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0)
5809 maybe_text = 1;
5810 else
5811 maybe_text = 0;
5812 #else
5813 if (now_seg != data_section && now_seg != bss_section)
5814 maybe_text = 1;
5815 else
5816 maybe_text = 0;
5817 #endif
5818
5819 if (!maybe_text)
5820 as_warn (_(".end not in text section"));
5821 if (!s3_cur_proc_ptr)
5822 {
5823 as_warn (_(".end directive without a preceding .ent directive."));
5824 demand_empty_rest_of_line ();
5825 return;
5826 }
5827 if (p != NULL)
5828 {
5829 gas_assert (S_GET_NAME (p));
5830 if (strcmp (S_GET_NAME (p), S_GET_NAME (s3_cur_proc_ptr->isym)))
5831 as_warn (_(".end symbol does not match .ent symbol."));
5832 if (debug_type == DEBUG_STABS)
5833 stabs_generate_asm_endfunc (S_GET_NAME (p), S_GET_NAME (p));
5834 }
5835 else
5836 as_warn (_(".end directive missing or unknown symbol"));
5837
5838 if ((s3_cur_proc_ptr->reg_mask == 0xdeadbeaf) ||
5839 (s3_cur_proc_ptr->reg_offset == 0xdeadbeaf) ||
5840 (s3_cur_proc_ptr->leaf == 0xdeafbeaf) ||
5841 (s3_cur_proc_ptr->frame_offset == 0xdeafbeaf) ||
5842 (s3_cur_proc_ptr->frame_reg == 0xdeafbeaf) || (s3_cur_proc_ptr->pc_reg == 0xdeafbeaf));
5843
5844 else
5845 {
5846 dot = frag_now_fix ();
5847 gas_assert (s3_pdr_seg);
5848 subseg_set (s3_pdr_seg, 0);
5849 /* Write the symbol. */
5850 exp.X_op = O_symbol;
5851 exp.X_add_symbol = p;
5852 exp.X_add_number = 0;
5853 emit_expr (&exp, 4);
5854 fragp = frag_more (7 * 4);
5855 md_number_to_chars (fragp, (valueT) s3_cur_proc_ptr->reg_mask, 4);
5856 md_number_to_chars (fragp + 4, (valueT) s3_cur_proc_ptr->reg_offset, 4);
5857 md_number_to_chars (fragp + 8, (valueT) s3_cur_proc_ptr->fpreg_mask, 4);
5858 md_number_to_chars (fragp + 12, (valueT) s3_cur_proc_ptr->leaf, 4);
5859 md_number_to_chars (fragp + 16, (valueT) s3_cur_proc_ptr->frame_offset, 4);
5860 md_number_to_chars (fragp + 20, (valueT) s3_cur_proc_ptr->frame_reg, 4);
5861 md_number_to_chars (fragp + 24, (valueT) s3_cur_proc_ptr->pc_reg, 4);
5862 subseg_set (saved_seg, saved_subseg);
5863
5864 }
5865 s3_cur_proc_ptr = NULL;
5866 }
5867
5868 /* Handle the .set pseudo-op. */
5869 static void
5870 s3_s_score_set (int x ATTRIBUTE_UNUSED)
5871 {
5872 int i = 0;
5873 char name[s3_MAX_LITERAL_POOL_SIZE];
5874 char * orig_ilp = input_line_pointer;
5875
5876 while (!is_end_of_line[(unsigned char)*input_line_pointer])
5877 {
5878 name[i] = (char) * input_line_pointer;
5879 i++;
5880 ++input_line_pointer;
5881 }
5882
5883 name[i] = '\0';
5884
5885 if (strcmp (name, "nwarn") == 0)
5886 {
5887 s3_warn_fix_data_dependency = 0;
5888 }
5889 else if (strcmp (name, "fixdd") == 0)
5890 {
5891 s3_fix_data_dependency = 1;
5892 }
5893 else if (strcmp (name, "nofixdd") == 0)
5894 {
5895 s3_fix_data_dependency = 0;
5896 }
5897 else if (strcmp (name, "r1") == 0)
5898 {
5899 s3_nor1 = 0;
5900 }
5901 else if (strcmp (name, "nor1") == 0)
5902 {
5903 s3_nor1 = 1;
5904 }
5905 else if (strcmp (name, "optimize") == 0)
5906 {
5907 s3_g_opt = 1;
5908 }
5909 else if (strcmp (name, "volatile") == 0)
5910 {
5911 s3_g_opt = 0;
5912 }
5913 else if (strcmp (name, "pic") == 0)
5914 {
5915 s3_score_pic = s3_PIC;
5916 }
5917 else
5918 {
5919 input_line_pointer = orig_ilp;
5920 s_set (0);
5921 }
5922 }
5923
5924 /* Handle the .cpload pseudo-op. This is used when generating s3_PIC code. It sets the
5925 $gp register for the function based on the function address, which is in the register
5926 named in the argument. This uses a relocation against GP_DISP_LABEL, which is handled
5927 specially by the linker. The result is:
5928 ldis gp, %hi(GP_DISP_LABEL)
5929 ori gp, %low(GP_DISP_LABEL)
5930 add gp, gp, .cpload argument
5931 The .cpload argument is normally r29. */
5932 static void
5933 s3_s_score_cpload (int ignore ATTRIBUTE_UNUSED)
5934 {
5935 int reg;
5936 char insn_str[s3_MAX_LITERAL_POOL_SIZE];
5937
5938 /* If we are not generating s3_PIC code, .cpload is ignored. */
5939 if (s3_score_pic == s3_NO_PIC)
5940 {
5941 s_ignore (0);
5942 return;
5943 }
5944
5945 if ((reg = s3_reg_required_here (&input_line_pointer, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
5946 return;
5947
5948 demand_empty_rest_of_line ();
5949
5950 sprintf (insn_str, "ld_i32hi r%d, %s", s3_GP, GP_DISP_LABEL);
5951 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
5952 return;
5953
5954 sprintf (insn_str, "ld_i32lo r%d, %s", s3_GP, GP_DISP_LABEL);
5955 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
5956 return;
5957
5958 sprintf (insn_str, "add r%d, r%d, r%d", s3_GP, s3_GP, reg);
5959 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
5960 return;
5961 }
5962
5963 /* Handle the .cprestore pseudo-op. This stores $gp into a given
5964 offset from $sp. The offset is remembered, and after making a s3_PIC
5965 call $gp is restored from that location. */
5966 static void
5967 s3_s_score_cprestore (int ignore ATTRIBUTE_UNUSED)
5968 {
5969 int reg;
5970 int cprestore_offset;
5971 char insn_str[s3_MAX_LITERAL_POOL_SIZE];
5972
5973 /* If we are not generating s3_PIC code, .cprestore is ignored. */
5974 if (s3_score_pic == s3_NO_PIC)
5975 {
5976 s_ignore (0);
5977 return;
5978 }
5979
5980 if ((reg = s3_reg_required_here (&input_line_pointer, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL
5981 || s3_skip_past_comma (&input_line_pointer) == (int) s3_FAIL)
5982 {
5983 return;
5984 }
5985
5986 cprestore_offset = get_absolute_expression ();
5987
5988 if (cprestore_offset <= 0x3fff)
5989 {
5990 sprintf (insn_str, "sw r%d, [r%d, %d]", s3_GP, reg, cprestore_offset);
5991 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
5992 return;
5993 }
5994 else
5995 {
5996 int r1_bak;
5997
5998 r1_bak = s3_nor1;
5999 s3_nor1 = 0;
6000
6001 sprintf (insn_str, "li r1, %d", cprestore_offset);
6002 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
6003 return;
6004
6005 sprintf (insn_str, "add r1, r1, r%d", reg);
6006 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
6007 return;
6008
6009 sprintf (insn_str, "sw r%d, [r1]", s3_GP);
6010 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
6011 return;
6012
6013 s3_nor1 = r1_bak;
6014 }
6015
6016 demand_empty_rest_of_line ();
6017 }
6018
6019 /* Handle the .gpword pseudo-op. This is used when generating s3_PIC
6020 code. It generates a 32 bit s3_GP relative reloc. */
6021 static void
6022 s3_s_score_gpword (int ignore ATTRIBUTE_UNUSED)
6023 {
6024 expressionS ex;
6025 char *p;
6026
6027 /* When not generating s3_PIC code, this is treated as .word. */
6028 if (s3_score_pic == s3_NO_PIC)
6029 {
6030 cons (4);
6031 return;
6032 }
6033 expression (&ex);
6034 if (ex.X_op != O_symbol || ex.X_add_number != 0)
6035 {
6036 as_bad (_("Unsupported use of .gpword"));
6037 ignore_rest_of_line ();
6038 }
6039 p = frag_more (4);
6040 s3_md_number_to_chars (p, (valueT) 0, 4);
6041 fix_new_exp (frag_now, p - frag_now->fr_literal, 4, &ex, FALSE, BFD_RELOC_GPREL32);
6042 demand_empty_rest_of_line ();
6043 }
6044
6045 /* Handle the .cpadd pseudo-op. This is used when dealing with switch
6046 tables in s3_PIC code. */
6047 static void
6048 s3_s_score_cpadd (int ignore ATTRIBUTE_UNUSED)
6049 {
6050 int reg;
6051 char insn_str[s3_MAX_LITERAL_POOL_SIZE];
6052
6053 /* If we are not generating s3_PIC code, .cpload is ignored. */
6054 if (s3_score_pic == s3_NO_PIC)
6055 {
6056 s_ignore (0);
6057 return;
6058 }
6059
6060 if ((reg = s3_reg_required_here (&input_line_pointer, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
6061 {
6062 return;
6063 }
6064 demand_empty_rest_of_line ();
6065
6066 /* Add $gp to the register named as an argument. */
6067 sprintf (insn_str, "add r%d, r%d, r%d", reg, reg, s3_GP);
6068 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
6069 return;
6070 }
6071
6072 #ifndef TC_IMPLICIT_LCOMM_ALIGNMENT
6073 #define TC_IMPLICIT_LCOMM_ALIGNMENT(SIZE, P2VAR) \
6074 do \
6075 { \
6076 if ((SIZE) >= 8) \
6077 (P2VAR) = 3; \
6078 else if ((SIZE) >= 4) \
6079 (P2VAR) = 2; \
6080 else if ((SIZE) >= 2) \
6081 (P2VAR) = 1; \
6082 else \
6083 (P2VAR) = 0; \
6084 } \
6085 while (0)
6086 #endif
6087
6088 static void
6089 s3_s_score_lcomm (int bytes_p)
6090 {
6091 char *name;
6092 char c;
6093 char *p;
6094 int temp;
6095 symbolS *symbolP;
6096 segT current_seg = now_seg;
6097 subsegT current_subseg = now_subseg;
6098 const int max_alignment = 15;
6099 int align = 0;
6100 segT bss_seg = bss_section;
6101 int needs_align = 0;
6102
6103 name = input_line_pointer;
6104 c = get_symbol_end ();
6105 p = input_line_pointer;
6106 *p = c;
6107
6108 if (name == p)
6109 {
6110 as_bad (_("expected symbol name"));
6111 discard_rest_of_line ();
6112 return;
6113 }
6114
6115 SKIP_WHITESPACE ();
6116
6117 /* Accept an optional comma after the name. The comma used to be
6118 required, but Irix 5 cc does not generate it. */
6119 if (*input_line_pointer == ',')
6120 {
6121 ++input_line_pointer;
6122 SKIP_WHITESPACE ();
6123 }
6124
6125 if (is_end_of_line[(unsigned char)*input_line_pointer])
6126 {
6127 as_bad (_("missing size expression"));
6128 return;
6129 }
6130
6131 if ((temp = get_absolute_expression ()) < 0)
6132 {
6133 as_warn (_("BSS length (%d) < 0 ignored"), temp);
6134 ignore_rest_of_line ();
6135 return;
6136 }
6137
6138 #if defined (TC_SCORE)
6139 if (OUTPUT_FLAVOR == bfd_target_ecoff_flavour || OUTPUT_FLAVOR == bfd_target_elf_flavour)
6140 {
6141 /* For Score and Alpha ECOFF or ELF, small objects are put in .sbss. */
6142 if ((unsigned)temp <= bfd_get_gp_size (stdoutput))
6143 {
6144 bss_seg = subseg_new (".sbss", 1);
6145 seg_info (bss_seg)->bss = 1;
6146 #ifdef BFD_ASSEMBLER
6147 if (!bfd_set_section_flags (stdoutput, bss_seg, SEC_ALLOC))
6148 as_warn (_("error setting flags for \".sbss\": %s"), bfd_errmsg (bfd_get_error ()));
6149 #endif
6150 }
6151 }
6152 #endif
6153
6154 SKIP_WHITESPACE ();
6155 if (*input_line_pointer == ',')
6156 {
6157 ++input_line_pointer;
6158 SKIP_WHITESPACE ();
6159
6160 if (is_end_of_line[(unsigned char)*input_line_pointer])
6161 {
6162 as_bad (_("missing alignment"));
6163 return;
6164 }
6165 else
6166 {
6167 align = get_absolute_expression ();
6168 needs_align = 1;
6169 }
6170 }
6171
6172 if (!needs_align)
6173 {
6174 TC_IMPLICIT_LCOMM_ALIGNMENT (temp, align);
6175
6176 /* Still zero unless TC_IMPLICIT_LCOMM_ALIGNMENT set it. */
6177 if (align)
6178 record_alignment (bss_seg, align);
6179 }
6180
6181 if (needs_align)
6182 {
6183 if (bytes_p)
6184 {
6185 /* Convert to a power of 2. */
6186 if (align != 0)
6187 {
6188 unsigned int i;
6189
6190 for (i = 0; align != 0; align >>= 1, ++i)
6191 ;
6192 align = i - 1;
6193 }
6194 }
6195
6196 if (align > max_alignment)
6197 {
6198 align = max_alignment;
6199 as_warn (_("alignment too large; %d assumed"), align);
6200 }
6201 else if (align < 0)
6202 {
6203 align = 0;
6204 as_warn (_("alignment negative; 0 assumed"));
6205 }
6206
6207 record_alignment (bss_seg, align);
6208 }
6209 else
6210 {
6211 /* Assume some objects may require alignment on some systems. */
6212 #if defined (TC_ALPHA) && ! defined (VMS)
6213 if (temp > 1)
6214 {
6215 align = ffs (temp) - 1;
6216 if (temp % (1 << align))
6217 abort ();
6218 }
6219 #endif
6220 }
6221
6222 *p = 0;
6223 symbolP = symbol_find_or_make (name);
6224 *p = c;
6225
6226 if (
6227 #if (defined (OBJ_AOUT) || defined (OBJ_MAYBE_AOUT) \
6228 || defined (OBJ_BOUT) || defined (OBJ_MAYBE_BOUT))
6229 #ifdef BFD_ASSEMBLER
6230 (OUTPUT_FLAVOR != bfd_target_aout_flavour
6231 || (S_GET_OTHER (symbolP) == 0 && S_GET_DESC (symbolP) == 0)) &&
6232 #else
6233 (S_GET_OTHER (symbolP) == 0 && S_GET_DESC (symbolP) == 0) &&
6234 #endif
6235 #endif
6236 (S_GET_SEGMENT (symbolP) == bss_seg || (!S_IS_DEFINED (symbolP) && S_GET_VALUE (symbolP) == 0)))
6237 {
6238 char *pfrag;
6239
6240 subseg_set (bss_seg, 1);
6241
6242 if (align)
6243 frag_align (align, 0, 0);
6244
6245 /* Detach from old frag. */
6246 if (S_GET_SEGMENT (symbolP) == bss_seg)
6247 symbol_get_frag (symbolP)->fr_symbol = NULL;
6248
6249 symbol_set_frag (symbolP, frag_now);
6250 pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, (offsetT) temp, NULL);
6251 *pfrag = 0;
6252
6253
6254 S_SET_SEGMENT (symbolP, bss_seg);
6255
6256 #ifdef OBJ_COFF
6257 /* The symbol may already have been created with a preceding
6258 ".globl" directive -- be careful not to step on storage class
6259 in that case. Otherwise, set it to static. */
6260 if (S_GET_STORAGE_CLASS (symbolP) != C_EXT)
6261 {
6262 S_SET_STORAGE_CLASS (symbolP, C_STAT);
6263 }
6264 #endif /* OBJ_COFF */
6265
6266 #ifdef S_SET_SIZE
6267 S_SET_SIZE (symbolP, temp);
6268 #endif
6269 }
6270 else
6271 as_bad (_("symbol `%s' is already defined"), S_GET_NAME (symbolP));
6272
6273 subseg_set (current_seg, current_subseg);
6274
6275 demand_empty_rest_of_line ();
6276 }
6277
6278 static void
6279 s3_insert_reg (const struct s3_reg_entry *r, struct hash_control *htab)
6280 {
6281 int i = 0;
6282 int len = strlen (r->name) + 2;
6283 char *buf = xmalloc (len);
6284 char *buf2 = xmalloc (len);
6285
6286 strcpy (buf + i, r->name);
6287 for (i = 0; buf[i]; i++)
6288 {
6289 buf2[i] = TOUPPER (buf[i]);
6290 }
6291 buf2[i] = '\0';
6292
6293 hash_insert (htab, buf, (void *) r);
6294 hash_insert (htab, buf2, (void *) r);
6295 }
6296
6297 static void
6298 s3_build_reg_hsh (struct s3_reg_map *map)
6299 {
6300 const struct s3_reg_entry *r;
6301
6302 if ((map->htab = hash_new ()) == NULL)
6303 {
6304 as_fatal (_("virtual memory exhausted"));
6305 }
6306 for (r = map->names; r->name != NULL; r++)
6307 {
6308 s3_insert_reg (r, map->htab);
6309 }
6310 }
6311
6312 /* Iterate over the base tables to create the instruction patterns. */
6313 static void
6314 s3_build_score_ops_hsh (void)
6315 {
6316 unsigned int i;
6317 static struct obstack insn_obstack;
6318
6319 obstack_begin (&insn_obstack, 4000);
6320 for (i = 0; i < sizeof (s3_score_insns) / sizeof (struct s3_asm_opcode); i++)
6321 {
6322 const struct s3_asm_opcode *insn = s3_score_insns + i;
6323 unsigned len = strlen (insn->template_name);
6324 struct s3_asm_opcode *new_opcode;
6325 char *template_name;
6326 new_opcode = (struct s3_asm_opcode *)
6327 obstack_alloc (&insn_obstack, sizeof (struct s3_asm_opcode));
6328 template_name = (char *) obstack_alloc (& insn_obstack, len + 1);
6329
6330 strcpy (template_name, insn->template_name);
6331 new_opcode->template_name = template_name;
6332 new_opcode->parms = insn->parms;
6333 new_opcode->value = insn->value;
6334 new_opcode->relax_value = insn->relax_value;
6335 new_opcode->type = insn->type;
6336 new_opcode->bitmask = insn->bitmask;
6337 hash_insert (s3_score_ops_hsh, new_opcode->template_name,
6338 (void *) new_opcode);
6339 }
6340 }
6341
6342 static void
6343 s3_build_dependency_insn_hsh (void)
6344 {
6345 unsigned int i;
6346 static struct obstack dependency_obstack;
6347
6348 obstack_begin (&dependency_obstack, 4000);
6349 for (i = 0; i < sizeof (s3_insn_to_dependency_table) / sizeof (s3_insn_to_dependency_table[0]); i++)
6350 {
6351 const struct s3_insn_to_dependency *tmp = s3_insn_to_dependency_table + i;
6352 unsigned len = strlen (tmp->insn_name);
6353 struct s3_insn_to_dependency *new_i2n;
6354
6355 new_i2n = (struct s3_insn_to_dependency *)
6356 obstack_alloc (&dependency_obstack,
6357 sizeof (struct s3_insn_to_dependency));
6358 new_i2n->insn_name = (char *) obstack_alloc (&dependency_obstack,
6359 len + 1);
6360
6361 strcpy (new_i2n->insn_name, tmp->insn_name);
6362 new_i2n->type = tmp->type;
6363 hash_insert (s3_dependency_insn_hsh, new_i2n->insn_name,
6364 (void *) new_i2n);
6365 }
6366 }
6367
6368 static void
6369 s_score_bss (int ignore ATTRIBUTE_UNUSED)
6370 {
6371 if (score3)
6372 return s3_s_score_bss (ignore);
6373 else
6374 return s7_s_score_bss (ignore);
6375 }
6376
6377 static void
6378 s_score_text (int ignore)
6379 {
6380 if (score3)
6381 return s3_s_score_text (ignore);
6382 else
6383 return s7_s_score_text (ignore);
6384 }
6385
6386 static void
6387 s_section (int ignore)
6388 {
6389 if (score3)
6390 return s3_score_s_section (ignore);
6391 else
6392 return s7_s_section (ignore);
6393 }
6394
6395 static void
6396 s_change_sec (int sec)
6397 {
6398 if (score3)
6399 return s3_s_change_sec (sec);
6400 else
6401 return s7_s_change_sec (sec);
6402 }
6403
6404 static void
6405 s_score_mask (int reg_type ATTRIBUTE_UNUSED)
6406 {
6407 if (score3)
6408 return s3_s_score_mask (reg_type);
6409 else
6410 return s7_s_score_mask (reg_type);
6411 }
6412
6413 static void
6414 s_score_ent (int aent)
6415 {
6416 if (score3)
6417 return s3_s_score_ent (aent);
6418 else
6419 return s7_s_score_ent (aent);
6420 }
6421
6422 static void
6423 s_score_frame (int ignore ATTRIBUTE_UNUSED)
6424 {
6425 if (score3)
6426 return s3_s_score_frame (ignore);
6427 else
6428 return s7_s_score_frame (ignore);
6429 }
6430
6431 static void
6432 s_score_end (int x ATTRIBUTE_UNUSED)
6433 {
6434 if (score3)
6435 return s3_s_score_end (x);
6436 else
6437 return s7_s_score_end (x);
6438 }
6439
6440 static void
6441 s_score_set (int x ATTRIBUTE_UNUSED)
6442 {
6443 if (score3)
6444 return s3_s_score_set (x);
6445 else
6446 return s7_s_score_set (x);
6447 }
6448
6449 static void
6450 s_score_cpload (int ignore ATTRIBUTE_UNUSED)
6451 {
6452 if (score3)
6453 return s3_s_score_cpload (ignore);
6454 else
6455 return s7_s_score_cpload (ignore);
6456 }
6457
6458 static void
6459 s_score_cprestore (int ignore ATTRIBUTE_UNUSED)
6460 {
6461 if (score3)
6462 return s3_s_score_cprestore (ignore);
6463 else
6464 return s7_s_score_cprestore (ignore);
6465 }
6466
6467 static void
6468 s_score_gpword (int ignore ATTRIBUTE_UNUSED)
6469 {
6470 if (score3)
6471 return s3_s_score_gpword (ignore);
6472 else
6473 return s7_s_score_gpword (ignore);
6474 }
6475
6476 static void
6477 s_score_cpadd (int ignore ATTRIBUTE_UNUSED)
6478 {
6479 if (score3)
6480 return s3_s_score_cpadd (ignore);
6481 else
6482 return s7_s_score_cpadd (ignore);
6483 }
6484
6485 static void
6486 s_score_lcomm (int bytes_p)
6487 {
6488 if (score3)
6489 return s3_s_score_lcomm (bytes_p);
6490 else
6491 return s7_s_score_lcomm (bytes_p);
6492 }
6493
6494 static void
6495 s3_assemble (char *str)
6496 {
6497 know (str);
6498 know (strlen (str) < s3_MAX_LITERAL_POOL_SIZE);
6499
6500 memset (&s3_inst, '\0', sizeof (s3_inst));
6501 if (s3_INSN_IS_PCE_P (str))
6502 s3_parse_pce_inst (str);
6503 else if (s3_INSN_IS_48_P (str))
6504 s3_parse_48_inst (str, TRUE);
6505 else
6506 s3_parse_16_32_inst (str, TRUE);
6507
6508 if (s3_inst.error)
6509 as_bad (_("%s -- `%s'"), s3_inst.error, s3_inst.str);
6510 }
6511
6512 static void
6513 s3_operand (expressionS * expr)
6514 {
6515 if (s3_in_my_get_expression)
6516 {
6517 expr->X_op = O_illegal;
6518 if (s3_inst.error == NULL)
6519 {
6520 s3_inst.error = _("bad expression");
6521 }
6522 }
6523 }
6524
6525 static void
6526 s3_begin (void)
6527 {
6528 unsigned int i;
6529 segT seg;
6530 subsegT subseg;
6531
6532 if ((s3_score_ops_hsh = hash_new ()) == NULL)
6533 as_fatal (_("virtual memory exhausted"));
6534
6535 s3_build_score_ops_hsh ();
6536
6537 if ((s3_dependency_insn_hsh = hash_new ()) == NULL)
6538 as_fatal (_("virtual memory exhausted"));
6539
6540 s3_build_dependency_insn_hsh ();
6541
6542 for (i = (int)s3_REG_TYPE_FIRST; i < (int)s3_REG_TYPE_MAX; i++)
6543 s3_build_reg_hsh (s3_all_reg_maps + i);
6544
6545 /* Initialize dependency vector. */
6546 s3_init_dependency_vector ();
6547
6548 bfd_set_arch_mach (stdoutput, TARGET_ARCH, 0);
6549 seg = now_seg;
6550 subseg = now_subseg;
6551 s3_pdr_seg = subseg_new (".pdr", (subsegT) 0);
6552 (void)bfd_set_section_flags (stdoutput, s3_pdr_seg, SEC_READONLY | SEC_RELOC | SEC_DEBUGGING);
6553 (void)bfd_set_section_alignment (stdoutput, s3_pdr_seg, 2);
6554 subseg_set (seg, subseg);
6555
6556 if (s3_USE_GLOBAL_POINTER_OPT)
6557 bfd_set_gp_size (stdoutput, s3_g_switch_value);
6558 }
6559
6560 static void
6561 s3_number_to_chars (char *buf, valueT val, int n)
6562 {
6563 if (target_big_endian)
6564 number_to_chars_bigendian (buf, val, n);
6565 else
6566 number_to_chars_littleendian (buf, val, n);
6567 }
6568
6569 static valueT
6570 s3_normal_chars_to_number (char *buf, int n)
6571 {
6572 valueT result = 0;
6573 unsigned char *where = (unsigned char *)buf;
6574
6575 if (target_big_endian)
6576 {
6577 while (n--)
6578 {
6579 result <<= 8;
6580 result |= (*where++ & 255);
6581 }
6582 }
6583 else
6584 {
6585 while (n--)
6586 {
6587 result <<= 8;
6588 result |= (where[n] & 255);
6589 }
6590 }
6591
6592 return result;
6593 }
6594
6595 static void
6596 s3_number_to_chars_littleendian (void *p, valueT data, int n)
6597 {
6598 char *buf = (char *) p;
6599
6600 switch (n)
6601 {
6602 case 4:
6603 md_number_to_chars (buf, data >> 16, 2);
6604 md_number_to_chars (buf + 2, data, 2);
6605 break;
6606 case 6:
6607 md_number_to_chars (buf, data >> 32, 2);
6608 md_number_to_chars (buf + 2, data >> 16, 2);
6609 md_number_to_chars (buf + 4, data, 2);
6610 break;
6611 default:
6612 /* Error routine. */
6613 as_bad_where (__FILE__, __LINE__, _("size is not 4 or 6"));
6614 break;
6615 }
6616 }
6617
6618 static valueT
6619 s3_chars_to_number_littleendian (const void *p, int n)
6620 {
6621 char *buf = (char *) p;
6622 valueT result = 0;
6623
6624 switch (n)
6625 {
6626 case 4:
6627 result = s3_normal_chars_to_number (buf, 2) << 16;
6628 result |= s3_normal_chars_to_number (buf + 2, 2);
6629 break;
6630 case 6:
6631 result = s3_normal_chars_to_number (buf, 2) << 32;
6632 result |= s3_normal_chars_to_number (buf + 2, 2) << 16;
6633 result |= s3_normal_chars_to_number (buf + 4, 2);
6634 break;
6635 default:
6636 /* Error routine. */
6637 as_bad_where (__FILE__, __LINE__, _("size is not 4 or 6"));
6638 break;
6639 }
6640
6641 return result;
6642 }
6643
6644 static void
6645 s3_md_number_to_chars (char *buf, valueT val, int n)
6646 {
6647 if (!target_big_endian && n >= 4)
6648 s3_number_to_chars_littleendian (buf, val, n);
6649 else
6650 md_number_to_chars (buf, val, n);
6651 }
6652
6653 static valueT
6654 s3_md_chars_to_number (char *buf, int n)
6655 {
6656 valueT result = 0;
6657
6658 if (!target_big_endian && n >= 4)
6659 result = s3_chars_to_number_littleendian (buf, n);
6660 else
6661 result = s3_normal_chars_to_number (buf, n);
6662
6663 return result;
6664 }
6665
6666 static char *
6667 s3_atof (int type, char *litP, int *sizeP)
6668 {
6669 int prec;
6670 LITTLENUM_TYPE words[s3_MAX_LITTLENUMS];
6671 char *t;
6672 int i;
6673
6674 switch (type)
6675 {
6676 case 'f':
6677 case 'F':
6678 case 's':
6679 case 'S':
6680 prec = 2;
6681 break;
6682 case 'd':
6683 case 'D':
6684 case 'r':
6685 case 'R':
6686 prec = 4;
6687 break;
6688 case 'x':
6689 case 'X':
6690 case 'p':
6691 case 'P':
6692 prec = 6;
6693 break;
6694 default:
6695 *sizeP = 0;
6696 return _("bad call to MD_ATOF()");
6697 }
6698
6699 t = atof_ieee (input_line_pointer, type, words);
6700 if (t)
6701 input_line_pointer = t;
6702 *sizeP = prec * 2;
6703
6704 if (target_big_endian)
6705 {
6706 for (i = 0; i < prec; i++)
6707 {
6708 s3_md_number_to_chars (litP, (valueT) words[i], 2);
6709 litP += 2;
6710 }
6711 }
6712 else
6713 {
6714 for (i = 0; i < prec; i += 2)
6715 {
6716 s3_md_number_to_chars (litP, (valueT) words[i + 1], 2);
6717 s3_md_number_to_chars (litP + 2, (valueT) words[i], 2);
6718 litP += 4;
6719 }
6720 }
6721
6722 return 0;
6723 }
6724
6725 static void
6726 s3_frag_check (fragS * fragp ATTRIBUTE_UNUSED)
6727 {
6728 know (fragp->insn_addr <= s3_RELAX_PAD_BYTE);
6729 }
6730
6731 static void
6732 s3_validate_fix (fixS *fixP)
6733 {
6734 fixP->fx_where += fixP->fx_frag->insn_addr;
6735 }
6736
6737 static int
6738 s3_force_relocation (struct fix *fixp)
6739 {
6740 int retval = 0;
6741
6742 if (fixp->fx_r_type == BFD_RELOC_VTABLE_INHERIT
6743 || fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY
6744 || fixp->fx_r_type == BFD_RELOC_SCORE_JMP
6745 || fixp->fx_r_type == BFD_RELOC_SCORE_BRANCH
6746 || fixp->fx_r_type == BFD_RELOC_SCORE16_JMP
6747 || fixp->fx_r_type == BFD_RELOC_SCORE16_BRANCH
6748 || fixp->fx_r_type == BFD_RELOC_SCORE_BCMP)
6749 {
6750 retval = 1;
6751 }
6752 return retval;
6753 }
6754
6755 static bfd_boolean
6756 s3_fix_adjustable (fixS * fixP)
6757 {
6758 if (fixP->fx_addsy == NULL)
6759 {
6760 return 1;
6761 }
6762 else if (OUTPUT_FLAVOR == bfd_target_elf_flavour
6763 && (S_IS_EXTERNAL (fixP->fx_addsy) || S_IS_WEAK (fixP->fx_addsy)))
6764 {
6765 return 0;
6766 }
6767 else if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT
6768 || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY
6769 || fixP->fx_r_type == BFD_RELOC_SCORE_JMP
6770 || fixP->fx_r_type == BFD_RELOC_SCORE16_JMP)
6771 {
6772 return 0;
6773 }
6774
6775 return 1;
6776 }
6777
6778 static void
6779 s3_elf_final_processing (void)
6780 {
6781 unsigned long val = 0;
6782
6783 if (score3)
6784 val = E_SCORE_MACH_SCORE3;
6785 else if (score7)
6786 val = E_SCORE_MACH_SCORE7;
6787
6788 elf_elfheader (stdoutput)->e_machine = EM_SCORE;
6789 elf_elfheader (stdoutput)->e_flags &= ~EF_SCORE_MACH;
6790 elf_elfheader (stdoutput)->e_flags |= val;
6791
6792 if (s3_fix_data_dependency == 1)
6793 {
6794 elf_elfheader (stdoutput)->e_flags |= EF_SCORE_FIXDEP;
6795 }
6796 if (s3_score_pic == s3_PIC)
6797 {
6798 elf_elfheader (stdoutput)->e_flags |= EF_SCORE_PIC;
6799 }
6800 }
6801
6802 static int
6803 s3_judge_size_before_relax (fragS * fragp, asection *sec)
6804 {
6805 int change = 0;
6806
6807 if (s3_score_pic == s3_NO_PIC)
6808 change = s3_nopic_need_relax (fragp->fr_symbol, 0);
6809 else
6810 change = s3_pic_need_relax (fragp->fr_symbol, sec);
6811
6812 if (change == 1)
6813 {
6814 /* Only at the first time determining whether s3_GP instruction relax should be done,
6815 return the difference between insntruction size and instruction relax size. */
6816 if (fragp->fr_opcode == NULL)
6817 {
6818 fragp->fr_fix = s3_RELAX_NEW (fragp->fr_subtype);
6819 fragp->fr_opcode = fragp->fr_literal + s3_RELAX_RELOC1 (fragp->fr_subtype);
6820 return s3_RELAX_NEW (fragp->fr_subtype) - s3_RELAX_OLD (fragp->fr_subtype);
6821 }
6822 }
6823
6824 return 0;
6825 }
6826
6827 static int
6828 s3_estimate_size_before_relax (fragS * fragp, asection * sec ATTRIBUTE_UNUSED)
6829 {
6830 if ((s3_RELAX_TYPE (fragp->fr_subtype) == Insn_GP)
6831 || (s3_RELAX_TYPE (fragp->fr_subtype) == Insn_PIC))
6832 return s3_judge_size_before_relax (fragp, sec);
6833
6834 return 0;
6835 }
6836
6837 static int
6838 s3_relax_branch_inst32 (fragS * fragp)
6839 {
6840 fragp->fr_opcode = NULL;
6841 return 0;
6842 }
6843
6844 static int
6845 s3_relax_branch_inst16 (fragS * fragp)
6846 {
6847 int relaxable_p = 0;
6848 int frag_addr = fragp->fr_address + fragp->insn_addr;
6849 addressT symbol_address = 0;
6850 symbolS *s;
6851 offsetT offset;
6852 long value;
6853 unsigned long inst_value;
6854
6855 relaxable_p = s3_RELAX_OPT (fragp->fr_subtype);
6856
6857 s = fragp->fr_symbol;
6858 if (s == NULL)
6859 frag_addr = 0;
6860 else
6861 {
6862 if (s->bsym != 0)
6863 symbol_address = (addressT) s->sy_frag->fr_address;
6864 }
6865
6866 inst_value = s3_md_chars_to_number (fragp->fr_literal, s3_INSN16_SIZE);
6867 offset = (inst_value & 0x1ff) << 1;
6868 if ((offset & 0x200) == 0x200)
6869 offset |= 0xfffffc00;
6870
6871 value = offset + symbol_address - frag_addr;
6872
6873 if (relaxable_p
6874 && (!((value & 0xfffffe00) == 0 || (value & 0xfffffe00) == 0xfffffe00))
6875 && fragp->fr_fix == 2
6876 && (s->bsym != NULL)
6877 && (S_IS_DEFINED (s)
6878 && !S_IS_COMMON (s)
6879 && !S_IS_EXTERNAL (s)))
6880 {
6881 /* Relax branch 32 to branch 16. */
6882 fragp->fr_opcode = fragp->fr_literal + s3_RELAX_RELOC1 (fragp->fr_subtype);
6883 fragp->fr_fix = 4;
6884 return 2;
6885 }
6886 else
6887 return 0;
6888 }
6889
6890 static int
6891 s3_relax_cmpbranch_inst32 (fragS * fragp)
6892 {
6893 int relaxable_p = 0;
6894 symbolS *s;
6895 /* For sign bit. */
6896 long offset;
6897 long frag_addr = fragp->fr_address + fragp->insn_addr;
6898 long symbol_address = 0;
6899 long value;
6900 unsigned long inst_value;
6901
6902 relaxable_p = s3_RELAX_OPT (fragp->fr_subtype);
6903
6904 s = fragp->fr_symbol;
6905 if (s == NULL)
6906 frag_addr = 0;
6907 else
6908 {
6909 if (s->bsym != 0)
6910 symbol_address = (addressT) s->sy_frag->fr_address;
6911 }
6912
6913 inst_value = s3_md_chars_to_number (fragp->fr_literal, s3_INSN_SIZE);
6914 offset = (inst_value & 0x1)
6915 | (((inst_value >> 7) & 0x7) << 1)
6916 | (((inst_value >> 21) & 0x1f) << 4);
6917 offset <<= 1;
6918 if ((offset & 0x200) == 0x200)
6919 offset |= 0xfffffe00;
6920
6921 value = offset + symbol_address - frag_addr;
6922 /* change the order of judging rule is because
6923 1.not defined symbol or common sysbol or external symbol will change
6924 bcmp to cmp!+beq/bne ,here need to record fragp->fr_opcode
6925 2.if the flow is as before : it will results to recursive loop
6926 */
6927 if (fragp->fr_fix == 6)
6928 {
6929 /* Have already relaxed! Just return 0 to terminate the loop. */
6930 return 0;
6931 }
6932 /* need to translate when extern or not defind or common sysbol */
6933 else if ((relaxable_p
6934 && (!((value & 0xfffffe00) == 0 || (value & 0xfffffe00) == 0xfffffe00))
6935 && fragp->fr_fix == 4
6936 && (s->bsym != NULL))
6937 || !S_IS_DEFINED (s)
6938 ||S_IS_COMMON (s)
6939 ||S_IS_EXTERNAL (s))
6940 {
6941 fragp->fr_opcode = fragp->fr_literal + s3_RELAX_RELOC1 (fragp->fr_subtype);
6942 fragp->fr_fix = 6;
6943 return 2;
6944 }
6945
6946 else
6947 {
6948 /* Never relax. Modify fr_opcode to NULL to verify it's value in
6949 md_apply_fix. */
6950 fragp->fr_opcode = NULL;
6951 return 0;
6952 }
6953 }
6954
6955
6956 static int
6957 s3_relax_other_inst32 (fragS * fragp)
6958 {
6959 int relaxable_p = s3_RELAX_OPT (fragp->fr_subtype);
6960
6961 if (relaxable_p
6962 && fragp->fr_fix == 4)
6963 {
6964 fragp->fr_opcode = fragp->fr_literal + s3_RELAX_RELOC1 (fragp->fr_subtype);
6965 fragp->fr_fix = 2;
6966 return -2;
6967 }
6968 else
6969 return 0;
6970 }
6971
6972 static int
6973 s3_relax_gp_and_pic_inst32 (void)
6974 {
6975 /* md_estimate_size_before_relax has already relaxed s3_GP and s3_PIC
6976 instructions. We don't change relax size here. */
6977 return 0;
6978 }
6979
6980 static int
6981 s3_relax_frag (asection * sec ATTRIBUTE_UNUSED, fragS * fragp, long stretch ATTRIBUTE_UNUSED)
6982 {
6983 int grows = 0;
6984 int adjust_align_p = 0;
6985
6986 /* If the instruction address is odd, make it half word align first. */
6987 if ((fragp->fr_address) % 2 != 0)
6988 {
6989 if ((fragp->fr_address + fragp->insn_addr) % 2 != 0)
6990 {
6991 fragp->insn_addr = 1;
6992 grows += 1;
6993 adjust_align_p = 1;
6994 }
6995 }
6996
6997 switch (s3_RELAX_TYPE (fragp->fr_subtype))
6998 {
6999 case PC_DISP19div2:
7000 grows += s3_relax_branch_inst32 (fragp);
7001 break;
7002
7003 case PC_DISP8div2:
7004 grows += s3_relax_branch_inst16 (fragp);
7005 break;
7006
7007 case Insn_BCMP :
7008 grows += s3_relax_cmpbranch_inst32 (fragp);
7009 break;
7010
7011 case Insn_GP:
7012 case Insn_PIC:
7013 grows += s3_relax_gp_and_pic_inst32 ();
7014 break;
7015
7016 default:
7017 grows += s3_relax_other_inst32 (fragp);
7018 break;
7019 }
7020
7021 /* newly added */
7022 if (adjust_align_p && fragp->insn_addr)
7023 {
7024 fragp->fr_fix += fragp->insn_addr;
7025 }
7026
7027 return grows;
7028 }
7029
7030 static void
7031 s3_convert_frag (bfd * abfd ATTRIBUTE_UNUSED, segT sec ATTRIBUTE_UNUSED, fragS * fragp)
7032 {
7033 int r_old;
7034 int r_new;
7035 char backup[20];
7036 fixS *fixp;
7037
7038 r_old = s3_RELAX_OLD (fragp->fr_subtype);
7039 r_new = s3_RELAX_NEW (fragp->fr_subtype);
7040
7041 /* fragp->fr_opcode indicates whether this frag should be relaxed. */
7042 if (fragp->fr_opcode == NULL)
7043 {
7044 memcpy (backup, fragp->fr_literal, r_old);
7045 fragp->fr_fix = r_old;
7046 }
7047 else
7048 {
7049 memcpy (backup, fragp->fr_literal + r_old, r_new);
7050 fragp->fr_fix = r_new;
7051 }
7052
7053 fixp = fragp->tc_frag_data.fixp;
7054 while (fixp && fixp->fx_frag == fragp && fixp->fx_where < r_old)
7055 {
7056 if (fragp->fr_opcode)
7057 fixp->fx_done = 1;
7058 fixp = fixp->fx_next;
7059 }
7060 while (fixp && fixp->fx_frag == fragp)
7061 {
7062 if (fragp->fr_opcode)
7063 fixp->fx_where -= r_old + fragp->insn_addr;
7064 else
7065 fixp->fx_done = 1;
7066 fixp = fixp->fx_next;
7067 }
7068
7069 if (fragp->insn_addr)
7070 {
7071 s3_md_number_to_chars (fragp->fr_literal, 0x0, fragp->insn_addr);
7072 }
7073 memcpy (fragp->fr_literal + fragp->insn_addr, backup, fragp->fr_fix);
7074 fragp->fr_fix += fragp->insn_addr;
7075 }
7076
7077 static long
7078 s3_pcrel_from (fixS * fixP)
7079 {
7080 long retval = 0;
7081
7082 if (fixP->fx_addsy
7083 && (S_GET_SEGMENT (fixP->fx_addsy) == undefined_section)
7084 && (fixP->fx_subsy == NULL))
7085 {
7086 retval = 0;
7087 }
7088 else
7089 {
7090 retval = fixP->fx_where + fixP->fx_frag->fr_address;
7091 }
7092
7093 return retval;
7094 }
7095
7096 static valueT
7097 s3_section_align (segT segment ATTRIBUTE_UNUSED, valueT size)
7098 {
7099 int align = bfd_get_section_alignment (stdoutput, segment);
7100 return ((size + (1 << align) - 1) & (-1 << align));
7101 }
7102
7103 static void
7104 s3_apply_fix (fixS *fixP, valueT *valP, segT seg)
7105 {
7106 offsetT value = *valP;
7107 offsetT newval;
7108 offsetT content;
7109 unsigned short HI, LO;
7110
7111 char *buf = fixP->fx_frag->fr_literal + fixP->fx_where;
7112
7113 gas_assert (fixP->fx_r_type < BFD_RELOC_UNUSED);
7114 if (fixP->fx_addsy == 0 && !fixP->fx_pcrel)
7115 {
7116 if (fixP->fx_r_type != BFD_RELOC_SCORE_DUMMY_HI16)
7117 fixP->fx_done = 1;
7118 }
7119
7120 /* If this symbol is in a different section then we need to leave it for
7121 the linker to deal with. Unfortunately, md_pcrel_from can't tell,
7122 so we have to undo it's effects here. */
7123 if (fixP->fx_pcrel)
7124 {
7125 if (fixP->fx_addsy != NULL
7126 && S_IS_DEFINED (fixP->fx_addsy)
7127 && S_GET_SEGMENT (fixP->fx_addsy) != seg)
7128 value += md_pcrel_from (fixP);
7129 }
7130
7131 /* Remember value for emit_reloc. */
7132 fixP->fx_addnumber = value;
7133
7134 switch (fixP->fx_r_type)
7135 {
7136 case BFD_RELOC_HI16_S:
7137 if (fixP->fx_done) /* For la rd, imm32. */
7138 {
7139 newval = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7140 HI = (value) >> 16; /* mul to 2, then take the hi 16 bit. */
7141 newval |= (HI & 0x3fff) << 1;
7142 newval |= ((HI >> 14) & 0x3) << 16;
7143 s3_md_number_to_chars (buf, newval, s3_INSN_SIZE);
7144 }
7145 break;
7146 case BFD_RELOC_LO16:
7147 if (fixP->fx_done) /* For la rd, imm32. */
7148 {
7149 newval = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7150 LO = (value) & 0xffff;
7151 newval |= (LO & 0x3fff) << 1; /* 16 bit: imm -> 14 bit in lo, 2 bit in hi. */
7152 newval |= ((LO >> 14) & 0x3) << 16;
7153 s3_md_number_to_chars (buf, newval, s3_INSN_SIZE);
7154 }
7155 break;
7156 case BFD_RELOC_SCORE_JMP:
7157 {
7158 content = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7159 value = fixP->fx_offset;
7160 content = (content & ~0x3ff7ffe) | ((value << 1) & 0x3ff0000) | (value & 0x7fff);
7161 s3_md_number_to_chars (buf, content, s3_INSN_SIZE);
7162 }
7163 break;
7164
7165 case BFD_RELOC_SCORE_IMM30:
7166 {
7167 content = s3_md_chars_to_number (buf, s3_INSN48_SIZE);
7168 value = fixP->fx_offset;
7169 value >>= 2;
7170 content = (content & ~0x7f7fff7f80LL)
7171 | (((value & 0xff) >> 0) << 7)
7172 | (((value & 0x7fff00) >> 8) << 16)
7173 | (((value & 0x3f800000) >> 23) << 32);
7174 s3_md_number_to_chars (buf, content, s3_INSN48_SIZE);
7175 break;
7176 }
7177
7178 case BFD_RELOC_SCORE_IMM32:
7179 {
7180 content = s3_md_chars_to_number (buf, s3_INSN48_SIZE);
7181 value = fixP->fx_offset;
7182 content = (content & ~0x7f7fff7fe0LL)
7183 | ((value & 0x3ff) << 5)
7184 | (((value >> 10) & 0x7fff) << 16)
7185 | (((value >> 25) & 0x7f) << 32);
7186 s3_md_number_to_chars (buf, content, s3_INSN48_SIZE);
7187 break;
7188 }
7189
7190 case BFD_RELOC_SCORE_BRANCH:
7191 if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) || (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy)))
7192 value = fixP->fx_offset;
7193 else
7194 fixP->fx_done = 1;
7195
7196 content = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7197
7198 /* Don't check c-bit. */
7199 if (fixP->fx_frag->fr_opcode != 0)
7200 {
7201 if ((value & 0xfffffe00) != 0 && (value & 0xfffffe00) != 0xfffffe00)
7202 {
7203 as_bad_where (fixP->fx_file, fixP->fx_line,
7204 _(" branch relocation truncate (0x%x) [-2^9 ~ 2^9]"), (unsigned int)value);
7205 return;
7206 }
7207 content = s3_md_chars_to_number (buf, s3_INSN16_SIZE);
7208 content &= 0xfe00;
7209 content = (content & 0xfe00) | ((value >> 1) & 0x1ff);
7210 s3_md_number_to_chars (buf, content, s3_INSN16_SIZE);
7211 fixP->fx_r_type = BFD_RELOC_SCORE16_BRANCH;
7212 fixP->fx_size = 2;
7213 }
7214 else
7215 {
7216 if ((value & 0xfff80000) != 0 && (value & 0xfff80000) != 0xfff80000)
7217 {
7218 as_bad_where (fixP->fx_file, fixP->fx_line,
7219 _(" branch relocation truncate (0x%x) [-2^19 ~ 2^19]"), (unsigned int)value);
7220 return;
7221 }
7222 content = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7223 content &= 0xfc00fc01;
7224 content = (content & 0xfc00fc01) | (value & 0x3fe) | ((value << 6) & 0x3ff0000);
7225 s3_md_number_to_chars (buf, content, s3_INSN_SIZE);
7226 }
7227 break;
7228 case BFD_RELOC_SCORE16_JMP:
7229 content = s3_md_chars_to_number (buf, s3_INSN16_SIZE);
7230 content &= 0xf001;
7231 value = fixP->fx_offset & 0xfff;
7232 content = (content & 0xfc01) | (value & 0xffe);
7233 s3_md_number_to_chars (buf, content, s3_INSN16_SIZE);
7234 break;
7235 case BFD_RELOC_SCORE16_BRANCH:
7236 content = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7237 /* Don't check c-bit. */
7238 if (fixP->fx_frag->fr_opcode != 0)
7239 {
7240 if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) ||
7241 (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy)))
7242 value = fixP->fx_offset;
7243 else
7244 fixP->fx_done = 1;
7245 if ((value & 0xfff80000) != 0 && (value & 0xfff80000) != 0xfff80000)
7246 {
7247 as_bad_where (fixP->fx_file, fixP->fx_line,
7248 _(" branch relocation truncate (0x%x) [-2^19 ~ 2^19]"), (unsigned int)value);
7249 return;
7250 }
7251 content = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7252 content = (content & 0xfc00fc01) | (value & 0x3fe) | ((value << 6) & 0x3ff0000);
7253 s3_md_number_to_chars (buf, content, s3_INSN_SIZE);
7254 fixP->fx_r_type = BFD_RELOC_SCORE_BRANCH;
7255 fixP->fx_size = 4;
7256 break;
7257 }
7258 else
7259 {
7260 /* In differnt section. */
7261 if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) ||
7262 (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy)))
7263 value = fixP->fx_offset;
7264 else
7265 fixP->fx_done = 1;
7266
7267 if ((value & 0xfffffe00) != 0 && (value & 0xfffffe00) != 0xfffffe00)
7268 {
7269 as_bad_where (fixP->fx_file, fixP->fx_line,
7270 _(" branch relocation truncate (0x%x) [-2^9 ~ 2^9]"), (unsigned int)value);
7271 return;
7272 }
7273
7274 content = s3_md_chars_to_number (buf, s3_INSN16_SIZE);
7275 content = (content & 0xfe00) | ((value >> 1) & 0x1ff);
7276 s3_md_number_to_chars (buf, content, s3_INSN16_SIZE);
7277 break;
7278 }
7279
7280 break;
7281
7282 case BFD_RELOC_SCORE_BCMP:
7283 if (fixP->fx_frag->fr_opcode != 0)
7284 {
7285 char *buf_ptr = buf;
7286 buf_ptr += 2;
7287
7288 if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) || (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy)))
7289 value = fixP->fx_offset;
7290 else
7291 fixP->fx_done = 1;
7292
7293 /* NOTE!!!
7294 bcmp -> cmp! and branch, so value -= 2. */
7295 value -= 2;
7296
7297 if ((value & 0xfff80000) != 0 && (value & 0xfff80000) != 0xfff80000)
7298 {
7299 as_bad_where (fixP->fx_file, fixP->fx_line,
7300 _(" branch relocation truncate (0x%x) [-2^19 ~ 2^19]"), (unsigned int)value);
7301 return;
7302 }
7303
7304 content = s3_md_chars_to_number (buf_ptr, s3_INSN_SIZE);
7305 content &= 0xfc00fc01;
7306 content = (content & 0xfc00fc01) | (value & 0x3fe) | ((value << 6) & 0x3ff0000);
7307 s3_md_number_to_chars (buf_ptr, content, s3_INSN_SIZE);
7308 /* change relocation type to BFD_RELOC_SCORE_BRANCH */
7309 fixP->fx_r_type = BFD_RELOC_SCORE_BRANCH;
7310 fixP->fx_where+=2; /* first insn is cmp! , the second insn is beq/bne */
7311 break;
7312 }
7313 else
7314 {
7315 if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) || (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy)))
7316 value = fixP->fx_offset;
7317 else
7318 fixP->fx_done = 1;
7319
7320 content = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7321
7322 if ((value & 0xfffffe00) != 0 && (value & 0xfffffe00) != 0xfffffe00)
7323 {
7324 as_bad_where (fixP->fx_file, fixP->fx_line,
7325 _(" branch relocation truncate (0x%x) [-2^9 ~ 2^9]"), (unsigned int)value);
7326 return;
7327 }
7328
7329 value >>= 1;
7330 content &= ~0x03e00381;
7331 content = content
7332 | (value & 0x1)
7333 | (((value & 0xe) >> 1) << 7)
7334 | (((value & 0x1f0) >> 4) << 21);
7335
7336 s3_md_number_to_chars (buf, content, s3_INSN_SIZE);
7337 break;
7338 }
7339
7340 case BFD_RELOC_8:
7341 if (fixP->fx_done || fixP->fx_pcrel)
7342 s3_md_number_to_chars (buf, value, 1);
7343 #ifdef OBJ_ELF
7344 else
7345 {
7346 value = fixP->fx_offset;
7347 s3_md_number_to_chars (buf, value, 1);
7348 }
7349 #endif
7350 break;
7351
7352 case BFD_RELOC_16:
7353 if (fixP->fx_done || fixP->fx_pcrel)
7354 s3_md_number_to_chars (buf, value, 2);
7355 #ifdef OBJ_ELF
7356 else
7357 {
7358 value = fixP->fx_offset;
7359 s3_md_number_to_chars (buf, value, 2);
7360 }
7361 #endif
7362 break;
7363 case BFD_RELOC_RVA:
7364 case BFD_RELOC_32:
7365 if (fixP->fx_done || fixP->fx_pcrel)
7366 md_number_to_chars (buf, value, 4);
7367 #ifdef OBJ_ELF
7368 else
7369 {
7370 value = fixP->fx_offset;
7371 md_number_to_chars (buf, value, 4);
7372 }
7373 #endif
7374 break;
7375 case BFD_RELOC_VTABLE_INHERIT:
7376 fixP->fx_done = 0;
7377 if (fixP->fx_addsy && !S_IS_DEFINED (fixP->fx_addsy) && !S_IS_WEAK (fixP->fx_addsy))
7378 S_SET_WEAK (fixP->fx_addsy);
7379 break;
7380 case BFD_RELOC_VTABLE_ENTRY:
7381 fixP->fx_done = 0;
7382 break;
7383 case BFD_RELOC_SCORE_GPREL15:
7384 content = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7385 /* c-bit. */
7386 if ((fixP->fx_frag->fr_opcode != 0) && ((content & 0xfc1c8000) != 0x94180000))
7387 fixP->fx_r_type = BFD_RELOC_NONE;
7388 fixP->fx_done = 0;
7389 break;
7390 case BFD_RELOC_SCORE_GOT15:
7391 case BFD_RELOC_SCORE_DUMMY_HI16:
7392 case BFD_RELOC_SCORE_GOT_LO16:
7393 case BFD_RELOC_SCORE_CALL15:
7394 case BFD_RELOC_GPREL32:
7395 break;
7396 case BFD_RELOC_NONE:
7397 default:
7398 as_bad_where (fixP->fx_file, fixP->fx_line, _("bad relocation fixup type (%d)"), fixP->fx_r_type);
7399 }
7400 }
7401
7402 static arelent **
7403 s3_gen_reloc (asection * section ATTRIBUTE_UNUSED, fixS * fixp)
7404 {
7405 static arelent *retval[MAX_RELOC_EXPANSION + 1]; /* MAX_RELOC_EXPANSION equals 2. */
7406 arelent *reloc;
7407 bfd_reloc_code_real_type code;
7408 char *type;
7409 fragS *f;
7410 symbolS *s;
7411 expressionS e;
7412
7413 reloc = retval[0] = xmalloc (sizeof (arelent));
7414 retval[1] = NULL;
7415
7416 reloc->sym_ptr_ptr = xmalloc (sizeof (asymbol *));
7417 *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
7418 reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
7419 reloc->addend = fixp->fx_offset;
7420
7421 /* If this is a variant frag, we may need to adjust the existing
7422 reloc and generate a new one. */
7423 if (fixp->fx_frag->fr_opcode != NULL && (fixp->fx_r_type == BFD_RELOC_SCORE_GPREL15))
7424 {
7425 /* Update instruction imm bit. */
7426 offsetT newval;
7427 unsigned short off;
7428 char *buf;
7429
7430 buf = fixp->fx_frag->fr_literal + fixp->fx_frag->insn_addr;
7431 newval = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7432 off = fixp->fx_offset >> 16;
7433 newval |= (off & 0x3fff) << 1;
7434 newval |= ((off >> 14) & 0x3) << 16;
7435 s3_md_number_to_chars (buf, newval, s3_INSN_SIZE);
7436
7437 buf += s3_INSN_SIZE;
7438 newval = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7439 off = fixp->fx_offset & 0xffff;
7440 newval |= ((off & 0x3fff) << 1);
7441 newval |= (((off >> 14) & 0x3) << 16);
7442 s3_md_number_to_chars (buf, newval, s3_INSN_SIZE);
7443
7444 retval[1] = xmalloc (sizeof (arelent));
7445 retval[2] = NULL;
7446 retval[1]->sym_ptr_ptr = xmalloc (sizeof (asymbol *));
7447 *retval[1]->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
7448 retval[1]->address = (reloc->address + s3_RELAX_RELOC2 (fixp->fx_frag->fr_subtype));
7449
7450 f = fixp->fx_frag;
7451 s = f->fr_symbol;
7452 e = s->sy_value;
7453
7454 retval[1]->addend = 0;
7455 retval[1]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_LO16);
7456 gas_assert (retval[1]->howto != NULL);
7457
7458 fixp->fx_r_type = BFD_RELOC_HI16_S;
7459 }
7460
7461 code = fixp->fx_r_type;
7462 switch (fixp->fx_r_type)
7463 {
7464 case BFD_RELOC_32:
7465 if (fixp->fx_pcrel)
7466 {
7467 code = BFD_RELOC_32_PCREL;
7468 break;
7469 }
7470 case BFD_RELOC_HI16_S:
7471 case BFD_RELOC_LO16:
7472 case BFD_RELOC_SCORE_JMP:
7473 case BFD_RELOC_SCORE_BRANCH:
7474 case BFD_RELOC_SCORE16_JMP:
7475 case BFD_RELOC_SCORE16_BRANCH:
7476 case BFD_RELOC_SCORE_BCMP:
7477 case BFD_RELOC_VTABLE_ENTRY:
7478 case BFD_RELOC_VTABLE_INHERIT:
7479 case BFD_RELOC_SCORE_GPREL15:
7480 case BFD_RELOC_SCORE_GOT15:
7481 case BFD_RELOC_SCORE_DUMMY_HI16:
7482 case BFD_RELOC_SCORE_GOT_LO16:
7483 case BFD_RELOC_SCORE_CALL15:
7484 case BFD_RELOC_GPREL32:
7485 case BFD_RELOC_NONE:
7486 case BFD_RELOC_SCORE_IMM30:
7487 case BFD_RELOC_SCORE_IMM32:
7488 code = fixp->fx_r_type;
7489 break;
7490 default:
7491 type = _("<unknown>");
7492 as_bad_where (fixp->fx_file, fixp->fx_line,
7493 _("cannot represent %s relocation in this object file format"), type);
7494 return NULL;
7495 }
7496
7497 reloc->howto = bfd_reloc_type_lookup (stdoutput, code);
7498 if (reloc->howto == NULL)
7499 {
7500 as_bad_where (fixp->fx_file, fixp->fx_line,
7501 _("cannot represent %s relocation in this object file format1"),
7502 bfd_get_reloc_code_name (code));
7503 return NULL;
7504 }
7505 /* HACK: Since arm ELF uses Rel instead of Rela, encode the
7506 vtable entry to be used in the relocation's section offset. */
7507 if (fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
7508 reloc->address = fixp->fx_offset;
7509
7510 return retval;
7511 }
7512
7513 void
7514 md_assemble (char *str)
7515 {
7516 if (score3)
7517 s3_assemble (str);
7518 else
7519 s7_assemble (str);
7520 }
7521
7522 /* We handle all bad expressions here, so that we can report the faulty
7523 instruction in the error message. */
7524 void
7525 md_operand (expressionS * expr)
7526 {
7527 if (score3)
7528 s3_operand (expr);
7529 else
7530 s7_operand (expr);
7531 }
7532
7533 /* Turn an integer of n bytes (in val) into a stream of bytes appropriate
7534 for use in the a.out file, and stores them in the array pointed to by buf.
7535 This knows about the endian-ness of the target machine and does
7536 THE RIGHT THING, whatever it is. Possible values for n are 1 (byte)
7537 2 (short) and 4 (long) Floating numbers are put out as a series of
7538 LITTLENUMS (shorts, here at least). */
7539 void
7540 md_number_to_chars (char *buf, valueT val, int n)
7541 {
7542 if (score3)
7543 s3_number_to_chars (buf, val, n);
7544 else
7545 s7_number_to_chars (buf, val, n);
7546 }
7547
7548 /* Turn a string in input_line_pointer into a floating point constant
7549 of type TYPE, and store the appropriate bytes in *LITP. The number
7550 of LITTLENUMS emitted is stored in *SIZEP. An error message is
7551 returned, or NULL on OK.
7552
7553 Note that fp constants aren't represent in the normal way on the ARM.
7554 In big endian mode, things are as expected. However, in little endian
7555 mode fp constants are big-endian word-wise, and little-endian byte-wise
7556 within the words. For example, (double) 1.1 in big endian mode is
7557 the byte sequence 3f f1 99 99 99 99 99 9a, and in little endian mode is
7558 the byte sequence 99 99 f1 3f 9a 99 99 99. */
7559 char *
7560 md_atof (int type, char *litP, int *sizeP)
7561 {
7562 if (score3)
7563 return s3_atof (type, litP, sizeP);
7564 else
7565 return s7_atof (type, litP, sizeP);
7566 }
7567
7568 void
7569 score_frag_check (fragS * fragp ATTRIBUTE_UNUSED)
7570 {
7571 if (score3)
7572 s3_frag_check (fragp);
7573 else
7574 s7_frag_check (fragp);
7575 }
7576
7577 /* Implementation of TC_VALIDATE_FIX.
7578 Called before md_apply_fix() and after md_convert_frag(). */
7579 void
7580 score_validate_fix (fixS *fixP)
7581 {
7582 if (score3)
7583 s3_validate_fix (fixP);
7584 else
7585 s7_validate_fix (fixP);
7586 }
7587
7588 int
7589 score_force_relocation (struct fix *fixp)
7590 {
7591 if (score3)
7592 return s3_force_relocation (fixp);
7593 else
7594 return s7_force_relocation (fixp);
7595 }
7596
7597 /* Implementation of md_frag_check.
7598 Called after md_convert_frag(). */
7599 bfd_boolean
7600 score_fix_adjustable (fixS * fixP)
7601 {
7602 if (score3)
7603 return s3_fix_adjustable (fixP);
7604 else
7605 return s7_fix_adjustable (fixP);
7606 }
7607
7608 void
7609 score_elf_final_processing (void)
7610 {
7611 if (score3)
7612 s3_elf_final_processing ();
7613 else
7614 s7_elf_final_processing ();
7615 }
7616
7617 /* In this function, we determine whether s3_GP instruction should do relaxation,
7618 for the label being against was known now.
7619 Doing this here but not in md_relax_frag() can induce iteration times
7620 in stage of doing relax. */
7621 int
7622 md_estimate_size_before_relax (fragS * fragp, asection * sec ATTRIBUTE_UNUSED)
7623 {
7624 if (score3)
7625 return s3_estimate_size_before_relax (fragp, sec);
7626 else
7627 return s7_estimate_size_before_relax (fragp, sec);
7628 }
7629
7630 int
7631 score_relax_frag (asection * sec ATTRIBUTE_UNUSED, fragS * fragp, long stretch ATTRIBUTE_UNUSED)
7632 {
7633 if (score3)
7634 return s3_relax_frag (sec, fragp, stretch);
7635 else
7636 return s7_relax_frag (sec, fragp, stretch);
7637 }
7638
7639 void
7640 md_convert_frag (bfd * abfd ATTRIBUTE_UNUSED, segT sec ATTRIBUTE_UNUSED, fragS * fragp)
7641 {
7642 if (score3)
7643 return s3_convert_frag (abfd, sec, fragp);
7644 else
7645 return s7_convert_frag (abfd, sec, fragp);
7646 }
7647
7648 long
7649 md_pcrel_from (fixS * fixP)
7650 {
7651 if (score3)
7652 return s3_pcrel_from (fixP);
7653 else
7654 return s7_pcrel_from (fixP);
7655 }
7656
7657 /* Round up a section size to the appropriate boundary. */
7658 valueT
7659 md_section_align (segT segment ATTRIBUTE_UNUSED, valueT size)
7660 {
7661 if (score3)
7662 return s3_section_align (segment, size);
7663 else
7664 return s7_section_align (segment, size);
7665 }
7666
7667 void
7668 md_apply_fix (fixS *fixP, valueT *valP, segT seg)
7669 {
7670 if (score3)
7671 return s3_apply_fix (fixP, valP, seg);
7672 else
7673 return s7_apply_fix (fixP, valP, seg);
7674 }
7675
7676 /* Translate internal representation of relocation info to BFD target format. */
7677 arelent **
7678 tc_gen_reloc (asection * section ATTRIBUTE_UNUSED, fixS * fixp)
7679 {
7680 if (score3)
7681 return s3_gen_reloc (section, fixp);
7682 else
7683 return s7_gen_reloc (section, fixp);
7684 }
7685
7686 void
7687 md_begin (void)
7688 {
7689 s3_begin ();
7690 s7_begin ();
7691 }
7692
7693 static void
7694 score_set_mach (const char *arg)
7695 {
7696 if (strcmp (arg, MARCH_SCORE3) == 0)
7697 {
7698 score3 = 1;
7699 score7 = 0;
7700 s3_score3d = 1;
7701 }
7702 else if (strcmp (arg, MARCH_SCORE7) == 0)
7703 {
7704 score3 = 0;
7705 score7 = 1;
7706 s7_score7d = 1;
7707 s7_university_version = 0;
7708 s7_vector_size = s7_SCORE7_PIPELINE;
7709 }
7710 else if (strcmp (arg, MARCH_SCORE5) == 0)
7711 {
7712 score3 = 0;
7713 score7 = 1;
7714 s7_score7d = 1;
7715 s7_university_version = 0;
7716 s7_vector_size = s7_SCORE5_PIPELINE;
7717 }
7718 else if (strcmp (arg, MARCH_SCORE5U) == 0)
7719 {
7720 score3 = 0;
7721 score7 = 1;
7722 s7_score7d = 1;
7723 s7_university_version = 1;
7724 s7_vector_size = s7_SCORE5_PIPELINE;
7725 }
7726 else
7727 {
7728 as_bad (_("unknown architecture `%s'\n"), arg);
7729 }
7730 }
7731
7732 int
7733 md_parse_option (int c, char *arg)
7734 {
7735 switch (c)
7736 {
7737 #ifdef OPTION_EB
7738 case OPTION_EB:
7739 target_big_endian = 1;
7740 break;
7741 #endif
7742 #ifdef OPTION_EL
7743 case OPTION_EL:
7744 target_big_endian = 0;
7745 break;
7746 #endif
7747 case OPTION_FIXDD:
7748 s3_fix_data_dependency = 1;
7749 s7_fix_data_dependency = 1;
7750 break;
7751 case OPTION_NWARN:
7752 s3_warn_fix_data_dependency = 0;
7753 s7_warn_fix_data_dependency = 0;
7754 break;
7755 case OPTION_SCORE5:
7756 score3 = 0;
7757 score7 = 1;
7758 s7_university_version = 0;
7759 s7_vector_size = s7_SCORE5_PIPELINE;
7760 break;
7761 case OPTION_SCORE5U:
7762 score3 = 0;
7763 score7 = 1;
7764 s7_university_version = 1;
7765 s7_vector_size = s7_SCORE5_PIPELINE;
7766 break;
7767 case OPTION_SCORE7:
7768 score3 = 0;
7769 score7 = 1;
7770 s7_score7d = 1;
7771 s7_university_version = 0;
7772 s7_vector_size = s7_SCORE7_PIPELINE;
7773 break;
7774 case OPTION_SCORE3:
7775 score3 = 1;
7776 score7 = 0;
7777 s3_score3d = 1;
7778 break;
7779 case OPTION_R1:
7780 s3_nor1 = 0;
7781 s7_nor1 = 0;
7782 break;
7783 case 'G':
7784 s3_g_switch_value = atoi (arg);
7785 s7_g_switch_value = atoi (arg);
7786 break;
7787 case OPTION_O0:
7788 s3_g_opt = 0;
7789 s7_g_opt = 0;
7790 break;
7791 case OPTION_SCORE_VERSION:
7792 printf (_("Sunplus-v2-0-0-20060510\n"));
7793 break;
7794 case OPTION_PIC:
7795 s3_score_pic = s3_NO_PIC; /* Score3 doesn't support PIC now. */
7796 s7_score_pic = s7_PIC;
7797 s3_g_switch_value = 0; /* Must set -G num as 0 to generate s3_PIC code. */
7798 s7_g_switch_value = 0; /* Must set -G num as 0 to generate s7_PIC code. */
7799 break;
7800 case OPTION_MARCH:
7801 score_set_mach (arg);
7802 break;
7803 default:
7804 return 0;
7805 }
7806 return 1;
7807 }
7808
7809 void
7810 md_show_usage (FILE * fp)
7811 {
7812 fprintf (fp, _(" Score-specific assembler options:\n"));
7813 #ifdef OPTION_EB
7814 fprintf (fp, _("\
7815 -EB\t\tassemble code for a big-endian cpu\n"));
7816 #endif
7817
7818 #ifdef OPTION_EL
7819 fprintf (fp, _("\
7820 -EL\t\tassemble code for a little-endian cpu\n"));
7821 #endif
7822
7823 fprintf (fp, _("\
7824 -FIXDD\t\tassemble code for fix data dependency\n"));
7825 fprintf (fp, _("\
7826 -NWARN\t\tassemble code for no warning message for fix data dependency\n"));
7827 fprintf (fp, _("\
7828 -SCORE5\t\tassemble code for target is SCORE5\n"));
7829 fprintf (fp, _("\
7830 -SCORE5U\tassemble code for target is SCORE5U\n"));
7831 fprintf (fp, _("\
7832 -SCORE7\t\tassemble code for target is SCORE7, this is default setting\n"));
7833 fprintf (fp, _("\
7834 -SCORE3\t\tassemble code for target is SCORE3\n"));
7835 fprintf (fp, _("\
7836 -march=score7\tassemble code for target is SCORE7, this is default setting\n"));
7837 fprintf (fp, _("\
7838 -march=score3\tassemble code for target is SCORE3\n"));
7839 fprintf (fp, _("\
7840 -USE_R1\t\tassemble code for no warning message when using temp register r1\n"));
7841 fprintf (fp, _("\
7842 -KPIC\t\tassemble code for PIC\n"));
7843 fprintf (fp, _("\
7844 -O0\t\tassembler will not perform any optimizations\n"));
7845 fprintf (fp, _("\
7846 -G gpnum\tassemble code for setting gpsize and default is 8 byte\n"));
7847 fprintf (fp, _("\
7848 -V \t\tSunplus release version \n"));
7849 }
GDB Binutils - Deliverables
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