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Add support for Score7 architecture.
[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;
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);
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);
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 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 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 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 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 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, s3_score_ldst_insns[ldst_idx * 3 + 0].template);
4997 return;
4998 }
4999 else
5000 {
5001 if ((s3_inst.reloc.exp.X_add_number <= 0x3fff)
5002 && (s3_inst.reloc.exp.X_add_number >= -0x4000)
5003 && (!s3_nopic_need_relax (s3_inst.reloc.exp.X_add_symbol, 1)))
5004 {
5005 int ldst_idx = 0;
5006
5007 /* Assign the real opcode. */
5008 ldst_idx = s3_inst.instruction & OPC_PSEUDOLDST_MASK;
5009 s3_inst.instruction &= ~OPC_PSEUDOLDST_MASK;
5010 s3_inst.instruction |= s3_score_ldst_insns[ldst_idx * 3 + 0].value;
5011 s3_inst.instruction |= reg_rd << 20;
5012 s3_inst.instruction |= s3_GP << 15;
5013 s3_inst.relax_inst = 0x8000;
5014 s3_inst.relax_size = 0;
5015 ldst_gp_p = 1;
5016 }
5017 }
5018 }
5019
5020 /* Backup s3_inst. */
5021 memcpy (&inst_main, &s3_inst, sizeof (struct s3_score_it));
5022 r1_bak = s3_nor1;
5023 s3_nor1 = 0;
5024
5025 /* Determine which instructions should be output. */
5026 sprintf (append_str[0], "ld_i32hi r1, %s", label_str);
5027 sprintf (append_str[1], "ld_i32lo r1, %s", label_str);
5028 sprintf (append_str[2], "%s r%d, [r1, 0]", inst_backup.name, reg_rd);
5029
5030 /* Generate three instructions.
5031 la r1, label
5032 ld/st rd, [r1, 0] */
5033 for (i = 0; i < 3; i++)
5034 {
5035 if (s3_append_insn (append_str[i], FALSE) == (int) s3_FAIL)
5036 return;
5037
5038 memcpy (&inst_expand[i], &s3_inst, sizeof (struct s3_score_it));
5039 }
5040
5041 if (ldst_gp_p)
5042 {
5043 char *p;
5044
5045 /* Adjust instruction opcode and to be relaxed instruction opcode. */
5046 inst_main.instruction = s3_adjust_paritybit (inst_main.instruction, s3_GET_INSN_CLASS (inst_main.type));
5047
5048 /* relax lw rd, label -> ldis rs, imm16
5049 ori rd, imm16
5050 lw rd, [rs, imm15] or lw! rd, [rs, imm5]. */
5051 if (inst_expand[2].relax_size == 0)
5052 inst_main.relax_size = inst_expand[0].size + inst_expand[1].size + inst_expand[2].size;
5053 else
5054 inst_main.relax_size = inst_expand[0].size + inst_expand[1].size + inst_expand[2].relax_size;
5055
5056 inst_main.type = Insn_GP;
5057
5058 for (i = 0; i < 3; i++)
5059 inst_expand[i].instruction = s3_adjust_paritybit (inst_expand[i].instruction,
5060 s3_GET_INSN_CLASS (inst_expand[i].type));
5061
5062 /* Check data dependency. */
5063 s3_handle_dependency (&inst_main);
5064
5065 /* Start a new frag if frag_now is not empty. */
5066 if (frag_now_fix () != 0)
5067 {
5068 if (!frag_now->tc_frag_data.is_insn)
5069 frag_wane (frag_now);
5070
5071 frag_new (0);
5072 }
5073 frag_grow (20);
5074
5075 /* Write fr_fix part. */
5076 p = frag_more (inst_main.size);
5077 s3_md_number_to_chars (p, inst_main.instruction, inst_main.size);
5078
5079 if (inst_main.reloc.type != BFD_RELOC_NONE)
5080 {
5081 s3_fix_new_score (frag_now, p - frag_now->fr_literal, inst_main.size,
5082 &inst_main.reloc.exp, inst_main.reloc.pc_rel, inst_main.reloc.type);
5083 }
5084
5085 #ifdef OBJ_ELF
5086 dwarf2_emit_insn (inst_main.size);
5087 #endif
5088
5089 /* s3_GP instruction can not do optimization, only can do relax between
5090 1 instruction and 3 instructions. */
5091 p = frag_var (rs_machine_dependent, inst_main.relax_size + s3_RELAX_PAD_BYTE, 0,
5092 s3_RELAX_ENCODE (inst_main.size, inst_main.relax_size, inst_main.type, 0, 4, 0),
5093 inst_main.reloc.exp.X_add_symbol, 0, NULL);
5094
5095 /* Write fr_var part.
5096 no calling s3_gen_insn_frag, no fixS will be generated. */
5097 s3_md_number_to_chars (p, inst_expand[0].instruction, inst_expand[0].size);
5098 p += inst_expand[0].size;
5099 s3_md_number_to_chars (p, inst_expand[1].instruction, inst_expand[1].size);
5100 p += inst_expand[1].size;
5101
5102 /* relax lw rd, label -> ldis rs, imm16
5103 ori rd, imm16
5104 lw rd, [rs, imm15] or lw! rd, [rs, imm5]. */
5105 if (inst_expand[2].relax_size == 0)
5106 s3_md_number_to_chars (p, inst_expand[2].instruction, inst_expand[2].size);
5107 else
5108 s3_md_number_to_chars (p, inst_expand[2].relax_inst, inst_expand[2].relax_size);
5109 }
5110 else
5111 {
5112 s3_gen_insn_frag (&inst_expand[0], NULL);
5113 s3_gen_insn_frag (&inst_expand[1], NULL);
5114 s3_gen_insn_frag (&inst_expand[2], NULL);
5115 }
5116 s3_nor1 = r1_bak;
5117
5118 /* Set bwarn as -1, so macro instruction itself will not be generated frag. */
5119 s3_inst.bwarn = -1;
5120 }
5121
5122 static void
5123 s3_do_lw_pic (char *str)
5124 {
5125 int reg_rd;
5126
5127 s3_skip_whitespace (str);
5128 if (((reg_rd = s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
5129 || (s3_skip_past_comma (&str) == (int) s3_FAIL)
5130 || (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL)
5131 || (s3_end_of_line (str) == (int) s3_FAIL))
5132 {
5133 return;
5134 }
5135 else
5136 {
5137 if (s3_inst.reloc.exp.X_add_symbol == 0)
5138 {
5139 if (!s3_inst.error)
5140 s3_inst.error = s3_BAD_ARGS;
5141
5142 return;
5143 }
5144
5145 s3_inst.instruction |= s3_GP << 15;
5146 s3_inst.reloc.type = BFD_RELOC_SCORE_GOT15;
5147 }
5148 }
5149
5150 static void
5151 s3_do_empty (char *str)
5152 {
5153 str = str;
5154 if (s3_university_version == 1)
5155 {
5156 if (((s3_inst.instruction & 0x3e0003ff) == 0x0c000004)
5157 || ((s3_inst.instruction & 0x3e0003ff) == 0x0c000024)
5158 || ((s3_inst.instruction & 0x3e0003ff) == 0x0c000044)
5159 || ((s3_inst.instruction & 0x3e0003ff) == 0x0c000064))
5160 {
5161 s3_inst.error = s3_ERR_FOR_SCORE5U_MMU;
5162 return;
5163 }
5164 }
5165 if (s3_end_of_line (str) == (int) s3_FAIL)
5166 return;
5167
5168 if (s3_inst.relax_inst != 0x8000)
5169 {
5170 if (s3_inst.type == NO_OPD)
5171 {
5172 s3_inst.relax_size = 2;
5173 }
5174 else
5175 {
5176 s3_inst.relax_size = 4;
5177 }
5178 }
5179 }
5180
5181 static void
5182 s3_do16_int (char *str)
5183 {
5184 s3_skip_whitespace (str);
5185 return;
5186 }
5187
5188 static void
5189 s3_do_jump (char *str)
5190 {
5191 char *save_in;
5192
5193 s3_skip_whitespace (str);
5194 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL
5195 || s3_end_of_line (str) == (int) s3_FAIL)
5196 return;
5197
5198 if (s3_inst.reloc.exp.X_add_symbol == 0)
5199 {
5200 s3_inst.error = _("lacking label ");
5201 return;
5202 }
5203
5204 if (!(s3_inst.reloc.exp.X_add_number >= -16777216
5205 && s3_inst.reloc.exp.X_add_number <= 16777215))
5206 {
5207 s3_inst.error = _("invalid constant: 25 bit expression not in range [-16777216, 16777215]");
5208 return;
5209 }
5210
5211 save_in = input_line_pointer;
5212 input_line_pointer = str;
5213 s3_inst.reloc.type = BFD_RELOC_SCORE_JMP;
5214 s3_inst.reloc.pc_rel = 1;
5215 input_line_pointer = save_in;
5216 }
5217
5218 static void
5219 s3_do_branch (char *str)
5220 {
5221 if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL
5222 || s3_end_of_line (str) == (int) s3_FAIL)
5223 {
5224 return;
5225 }
5226 else if (s3_inst.reloc.exp.X_add_symbol == 0)
5227 {
5228 s3_inst.error = _("lacking label ");
5229 return;
5230 }
5231 else if (!(s3_inst.reloc.exp.X_add_number >= -524288
5232 && s3_inst.reloc.exp.X_add_number <= 524287))
5233 {
5234 s3_inst.error = _("invalid constant: 20 bit expression not in range -2^19..2^19");
5235 return;
5236 }
5237
5238 s3_inst.reloc.type = BFD_RELOC_SCORE_BRANCH;
5239 s3_inst.reloc.pc_rel = 1;
5240
5241 /* Branch 32 offset field : 20 bit, 16 bit branch offset field : 8 bit. */
5242 s3_inst.instruction |= (s3_inst.reloc.exp.X_add_number & 0x3fe) | ((s3_inst.reloc.exp.X_add_number & 0xffc00) << 5);
5243
5244 /* Compute 16 bit branch instruction. */
5245 if ((s3_inst.relax_inst != 0x8000)
5246 && (s3_inst.reloc.exp.X_add_number >= -512 && s3_inst.reloc.exp.X_add_number <= 511))
5247 {
5248 s3_inst.relax_inst |= ((s3_inst.reloc.exp.X_add_number >> 1) & 0x1ff);/*b! :disp 9 bit */
5249 s3_inst.relax_size = 2;
5250 }
5251 else
5252 {
5253 s3_inst.relax_inst = 0x8000;
5254 }
5255 }
5256
5257 static void
5258 s3_do16_branch (char *str)
5259 {
5260 if ((s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL
5261 || s3_end_of_line (str) == (int) s3_FAIL))
5262 {
5263 ;
5264 }
5265 else if (s3_inst.reloc.exp.X_add_symbol == 0)
5266 {
5267 s3_inst.error = _("lacking label");
5268 }
5269 else if (!(s3_inst.reloc.exp.X_add_number >= -512
5270 && s3_inst.reloc.exp.X_add_number <= 511))
5271 {
5272 s3_inst.error = _("invalid constant: 10 bit expression not in range [-2^9, 2^9-1]");
5273 }
5274 else
5275 {
5276 s3_inst.reloc.type = BFD_RELOC_SCORE16_BRANCH;
5277 s3_inst.reloc.pc_rel = 1;
5278 s3_inst.instruction |= ((s3_inst.reloc.exp.X_add_number >> 1) & 0x1ff);
5279 s3_inst.relax_inst |= ((s3_inst.reloc.exp.X_add_number ) & 0x1ff);
5280 s3_inst.relax_size = 4;
5281 }
5282 }
5283
5284 /* Return true if the given symbol should be considered local for s3_PIC. */
5285 static bfd_boolean
5286 s3_pic_need_relax (symbolS *sym, asection *segtype)
5287 {
5288 asection *symsec;
5289 bfd_boolean linkonce;
5290
5291 /* Handle the case of a symbol equated to another symbol. */
5292 while (symbol_equated_reloc_p (sym))
5293 {
5294 symbolS *n;
5295
5296 /* It's possible to get a loop here in a badly written
5297 program. */
5298 n = symbol_get_value_expression (sym)->X_add_symbol;
5299 if (n == sym)
5300 break;
5301 sym = n;
5302 }
5303
5304 symsec = S_GET_SEGMENT (sym);
5305
5306 /* duplicate the test for LINK_ONCE sections as in adjust_reloc_syms */
5307 linkonce = FALSE;
5308 if (symsec != segtype && ! S_IS_LOCAL (sym))
5309 {
5310 if ((bfd_get_section_flags (stdoutput, symsec) & SEC_LINK_ONCE) != 0)
5311 linkonce = TRUE;
5312
5313 /* The GNU toolchain uses an extension for ELF: a section
5314 beginning with the magic string .gnu.linkonce is a linkonce
5315 section. */
5316 if (strncmp (segment_name (symsec), ".gnu.linkonce",
5317 sizeof ".gnu.linkonce" - 1) == 0)
5318 linkonce = TRUE;
5319 }
5320
5321 /* This must duplicate the test in adjust_reloc_syms. */
5322 return (symsec != &bfd_und_section
5323 && symsec != &bfd_abs_section
5324 && ! bfd_is_com_section (symsec)
5325 && !linkonce
5326 #ifdef OBJ_ELF
5327 /* A global or weak symbol is treated as external. */
5328 && (OUTPUT_FLAVOR != bfd_target_elf_flavour
5329 || (! S_IS_WEAK (sym) && ! S_IS_EXTERNAL (sym)))
5330 #endif
5331 );
5332 }
5333
5334 static void
5335 s3_parse_pce_inst (char *insnstr)
5336 {
5337 char c;
5338 char *p;
5339 char first[s3_MAX_LITERAL_POOL_SIZE];
5340 char second[s3_MAX_LITERAL_POOL_SIZE];
5341 struct s3_score_it pec_part_1;
5342
5343 /* Get first part string of PCE. */
5344 p = strstr (insnstr, "||");
5345 c = *p;
5346 *p = '\0';
5347 sprintf (first, "%s", insnstr);
5348
5349 /* Get second part string of PCE. */
5350 *p = c;
5351 p += 2;
5352 sprintf (second, "%s", p);
5353
5354 s3_parse_16_32_inst (first, FALSE);
5355 if (s3_inst.error)
5356 return;
5357
5358 memcpy (&pec_part_1, &s3_inst, sizeof (s3_inst));
5359
5360 s3_parse_16_32_inst (second, FALSE);
5361 if (s3_inst.error)
5362 return;
5363
5364 if ( ((pec_part_1.size == s3_INSN_SIZE) && (s3_inst.size == s3_INSN_SIZE))
5365 || ((pec_part_1.size == s3_INSN_SIZE) && (s3_inst.size == s3_INSN16_SIZE))
5366 || ((pec_part_1.size == s3_INSN16_SIZE) && (s3_inst.size == s3_INSN_SIZE)))
5367 {
5368 s3_inst.error = _("pce instruction error (16 bit || 16 bit)'");
5369 sprintf (s3_inst.str, insnstr);
5370 return;
5371 }
5372
5373 if (!s3_inst.error)
5374 s3_gen_insn_frag (&pec_part_1, &s3_inst);
5375 }
5376
5377 /* s3: dsp. */
5378 static void
5379 s3_do16_dsp (char *str)
5380 {
5381 int rd = 0;
5382
5383 /* Check 3d. */
5384 if (s3_score3d == 0)
5385 {
5386 s3_inst.error = _("score3d instruction.");
5387 return;
5388 }
5389
5390 s3_skip_whitespace (str);
5391
5392 if ((rd = s3_reglow_required_here (&str, 0)) == (int) s3_FAIL
5393 || s3_end_of_line (str) == (int) s3_FAIL)
5394 {
5395 return;
5396 }
5397 else
5398 {
5399 s3_inst.relax_inst |= rd << 20;
5400 s3_inst.relax_size = 4;
5401 }
5402 }
5403
5404 static void
5405 s3_do16_dsp2 (char *str)
5406 {
5407 /* Check 3d. */
5408 if (s3_score3d == 0)
5409 {
5410 s3_inst.error = _("score3d instruction.");
5411 return;
5412 }
5413
5414 s3_skip_whitespace (str);
5415
5416 if (s3_reglow_required_here (&str, 4) == (int) s3_FAIL
5417 || s3_skip_past_comma (&str) == (int) s3_FAIL
5418 || s3_reglow_required_here (&str, 0) == (int) s3_FAIL
5419 || s3_end_of_line (str) == (int) s3_FAIL)
5420 {
5421 return;
5422 }
5423 else
5424 {
5425 s3_inst.relax_inst |= (((s3_inst.instruction >> 8) & 0xf) << 20)
5426 | (((s3_inst.instruction >> 8) & 0xf) << 15) | (((s3_inst.instruction >> 4) & 0xf) << 10);
5427 s3_inst.relax_size = 4;
5428 }
5429 }
5430
5431 static void
5432 s3_do_dsp (char *str)
5433 {
5434 /* Check 3d. */
5435 if (s3_score3d == 0)
5436 {
5437 s3_inst.error = _("score3d instruction.");
5438 return;
5439 }
5440
5441 s3_skip_whitespace (str);
5442
5443 if (s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL
5444 || s3_skip_past_comma (&str) == (int) s3_FAIL
5445 || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE) == (int) s3_FAIL
5446 || s3_end_of_line (str) == (int) s3_FAIL)
5447 return;
5448
5449 if ((s3_inst.relax_inst != 0x8000) && (((s3_inst.instruction >> 20) & 0x1f) == 3) )
5450 {
5451 s3_inst.relax_inst |= (((s3_inst.instruction >> 10) & 0x1f)) | (((s3_inst.instruction >> 15) & 0x1f) << 5);
5452 s3_inst.relax_size = 2;
5453 }
5454 else
5455 s3_inst.relax_inst = 0x8000;
5456 }
5457
5458 static void
5459 s3_do_dsp2 (char *str)
5460 {
5461 int reg;
5462
5463 /* Check 3d. */
5464 if (s3_score3d == 0)
5465 {
5466 s3_inst.error = _("score3d instruction.");
5467 return;
5468 }
5469
5470 s3_skip_whitespace (str);
5471
5472 if ((reg = s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE)) == (int) s3_FAIL
5473 || s3_skip_past_comma (&str) == (int) s3_FAIL
5474 || s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL
5475 || s3_skip_past_comma (&str) == (int) s3_FAIL
5476 || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE) == (int) s3_FAIL
5477 || s3_end_of_line (str) == (int) s3_FAIL)
5478 {
5479 return;
5480 }
5481 else
5482 {
5483 /* Check mulr, mulur rd is even number. */
5484 if (((s3_inst.instruction & 0x3e0003ff) == 0x00000340
5485 || (s3_inst.instruction & 0x3e0003ff) == 0x00000342)
5486 && (reg % 2))
5487 {
5488 s3_inst.error = _("rd must be even number.");
5489 return;
5490 }
5491
5492 if ((((s3_inst.instruction >> 15) & 0x10) == 0)
5493 && (((s3_inst.instruction >> 10) & 0x10) == 0)
5494 && (((s3_inst.instruction >> 20) & 0x10) == 0)
5495 && (s3_inst.relax_inst != 0x8000)
5496 && (((s3_inst.instruction >> 20) & 0xf) == ((s3_inst.instruction >> 15) & 0xf)))
5497 {
5498 s3_inst.relax_inst |= (((s3_inst.instruction >> 10) & 0xf) )
5499 | (((s3_inst.instruction >> 15) & 0xf) << 4);
5500 s3_inst.relax_size = 2;
5501 }
5502 else
5503 {
5504 s3_inst.relax_inst = 0x8000;
5505 }
5506 }
5507 }
5508
5509 static void
5510 s3_do_dsp3 (char *str)
5511 {
5512 /* Check 3d. */
5513 if (s3_score3d == 0)
5514 {
5515 s3_inst.error = _("score3d instruction.");
5516 return;
5517 }
5518
5519 s3_skip_whitespace (str);
5520
5521 if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL
5522 || s3_skip_past_comma (&str) == (int) s3_FAIL
5523 || s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL
5524 || s3_end_of_line (str) == (int) s3_FAIL)
5525 return;
5526
5527 if ((s3_inst.relax_inst != 0x8000) && (((s3_inst.instruction >> 20) & 0x1f) == 3) )
5528 {
5529 s3_inst.relax_inst |= (((s3_inst.instruction >> 10) & 0x1f)) | (((s3_inst.instruction >> 15) & 0x1f) << 5);
5530 s3_inst.relax_size = 2;
5531 }
5532 else
5533 s3_inst.relax_inst = 0x8000;
5534 }
5535
5536
5537 /* If we change section we must dump the literal pool first. */
5538 static void
5539 s3_s_score_bss (int ignore ATTRIBUTE_UNUSED)
5540 {
5541 subseg_set (bss_section, (subsegT) get_absolute_expression ());
5542 demand_empty_rest_of_line ();
5543 }
5544
5545 static void
5546 s3_s_score_text (int ignore)
5547 {
5548 obj_elf_text (ignore);
5549 record_alignment (now_seg, 2);
5550 }
5551
5552 static void
5553 s3_score_s_section (int ignore)
5554 {
5555 obj_elf_section (ignore);
5556 if ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0)
5557 record_alignment (now_seg, 2);
5558
5559 }
5560
5561 static void
5562 s3_s_change_sec (int sec)
5563 {
5564 segT seg;
5565
5566 #ifdef OBJ_ELF
5567 /* The ELF backend needs to know that we are changing sections, so
5568 that .previous works correctly. We could do something like check
5569 for an obj_section_change_hook macro, but that might be confusing
5570 as it would not be appropriate to use it in the section changing
5571 functions in read.c, since obj-elf.c intercepts those. FIXME:
5572 This should be cleaner, somehow. */
5573 obj_elf_section_change_hook ();
5574 #endif
5575 switch (sec)
5576 {
5577 case 'r':
5578 seg = subseg_new (s3_RDATA_SECTION_NAME, (subsegT) get_absolute_expression ());
5579 bfd_set_section_flags (stdoutput, seg, (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_RELOC | SEC_DATA));
5580 if (strcmp (TARGET_OS, "elf") != 0)
5581 record_alignment (seg, 4);
5582 demand_empty_rest_of_line ();
5583 break;
5584 case 's':
5585 seg = subseg_new (".sdata", (subsegT) get_absolute_expression ());
5586 bfd_set_section_flags (stdoutput, seg, SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA);
5587 if (strcmp (TARGET_OS, "elf") != 0)
5588 record_alignment (seg, 4);
5589 demand_empty_rest_of_line ();
5590 break;
5591 }
5592 }
5593
5594 static void
5595 s3_s_score_mask (int reg_type ATTRIBUTE_UNUSED)
5596 {
5597 long mask, off;
5598
5599 if (s3_cur_proc_ptr == (s3_procS *) NULL)
5600 {
5601 as_warn (_(".mask outside of .ent"));
5602 demand_empty_rest_of_line ();
5603 return;
5604 }
5605 if (get_absolute_expression_and_terminator (&mask) != ',')
5606 {
5607 as_warn (_("Bad .mask directive"));
5608 --input_line_pointer;
5609 demand_empty_rest_of_line ();
5610 return;
5611 }
5612 off = get_absolute_expression ();
5613 s3_cur_proc_ptr->reg_mask = mask;
5614 s3_cur_proc_ptr->reg_offset = off;
5615 demand_empty_rest_of_line ();
5616 }
5617
5618 static symbolS *
5619 s3_get_symbol (void)
5620 {
5621 int c;
5622 char *name;
5623 symbolS *p;
5624
5625 name = input_line_pointer;
5626 c = get_symbol_end ();
5627 p = (symbolS *) symbol_find_or_make (name);
5628 *input_line_pointer = c;
5629 return p;
5630 }
5631
5632 static long
5633 s3_get_number (void)
5634 {
5635 int negative = 0;
5636 long val = 0;
5637
5638 if (*input_line_pointer == '-')
5639 {
5640 ++input_line_pointer;
5641 negative = 1;
5642 }
5643 if (!ISDIGIT (*input_line_pointer))
5644 as_bad (_("expected simple number"));
5645 if (input_line_pointer[0] == '0')
5646 {
5647 if (input_line_pointer[1] == 'x')
5648 {
5649 input_line_pointer += 2;
5650 while (ISXDIGIT (*input_line_pointer))
5651 {
5652 val <<= 4;
5653 val |= hex_value (*input_line_pointer++);
5654 }
5655 return negative ? -val : val;
5656 }
5657 else
5658 {
5659 ++input_line_pointer;
5660 while (ISDIGIT (*input_line_pointer))
5661 {
5662 val <<= 3;
5663 val |= *input_line_pointer++ - '0';
5664 }
5665 return negative ? -val : val;
5666 }
5667 }
5668 if (!ISDIGIT (*input_line_pointer))
5669 {
5670 printf (_(" *input_line_pointer == '%c' 0x%02x\n"), *input_line_pointer, *input_line_pointer);
5671 as_warn (_("invalid number"));
5672 return -1;
5673 }
5674 while (ISDIGIT (*input_line_pointer))
5675 {
5676 val *= 10;
5677 val += *input_line_pointer++ - '0';
5678 }
5679 return negative ? -val : val;
5680 }
5681
5682 /* The .aent and .ent directives. */
5683 static void
5684 s3_s_score_ent (int aent)
5685 {
5686 symbolS *symbolP;
5687 int maybe_text;
5688
5689 symbolP = s3_get_symbol ();
5690 if (*input_line_pointer == ',')
5691 ++input_line_pointer;
5692 SKIP_WHITESPACE ();
5693 if (ISDIGIT (*input_line_pointer) || *input_line_pointer == '-')
5694 s3_get_number ();
5695
5696 #ifdef BFD_ASSEMBLER
5697 if ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0)
5698 maybe_text = 1;
5699 else
5700 maybe_text = 0;
5701 #else
5702 if (now_seg != data_section && now_seg != bss_section)
5703 maybe_text = 1;
5704 else
5705 maybe_text = 0;
5706 #endif
5707 if (!maybe_text)
5708 as_warn (_(".ent or .aent not in text section."));
5709 if (!aent && s3_cur_proc_ptr)
5710 as_warn (_("missing .end"));
5711 if (!aent)
5712 {
5713 s3_cur_proc_ptr = &s3_cur_proc;
5714 s3_cur_proc_ptr->reg_mask = 0xdeadbeaf;
5715 s3_cur_proc_ptr->reg_offset = 0xdeadbeaf;
5716 s3_cur_proc_ptr->fpreg_mask = 0xdeafbeaf;
5717 s3_cur_proc_ptr->leaf = 0xdeafbeaf;
5718 s3_cur_proc_ptr->frame_offset = 0xdeafbeaf;
5719 s3_cur_proc_ptr->frame_reg = 0xdeafbeaf;
5720 s3_cur_proc_ptr->pc_reg = 0xdeafbeaf;
5721 s3_cur_proc_ptr->isym = symbolP;
5722 symbol_get_bfdsym (symbolP)->flags |= BSF_FUNCTION;
5723 ++s3_numprocs;
5724 if (debug_type == DEBUG_STABS)
5725 stabs_generate_asm_func (S_GET_NAME (symbolP), S_GET_NAME (symbolP));
5726 }
5727 demand_empty_rest_of_line ();
5728 }
5729
5730 static void
5731 s3_s_score_frame (int ignore ATTRIBUTE_UNUSED)
5732 {
5733 char *backupstr;
5734 char str[30];
5735 long val;
5736 int i = 0;
5737
5738 backupstr = input_line_pointer;
5739
5740 #ifdef OBJ_ELF
5741 if (s3_cur_proc_ptr == (s3_procS *) NULL)
5742 {
5743 as_warn (_(".frame outside of .ent"));
5744 demand_empty_rest_of_line ();
5745 return;
5746 }
5747 s3_cur_proc_ptr->frame_reg = s3_reg_required_here ((&backupstr), 0, s3_REG_TYPE_SCORE);
5748 SKIP_WHITESPACE ();
5749 s3_skip_past_comma (&backupstr);
5750 while (*backupstr != ',')
5751 {
5752 str[i] = *backupstr;
5753 i++;
5754 backupstr++;
5755 }
5756 str[i] = '\0';
5757 val = atoi (str);
5758
5759 SKIP_WHITESPACE ();
5760 s3_skip_past_comma (&backupstr);
5761 s3_cur_proc_ptr->frame_offset = val;
5762 s3_cur_proc_ptr->pc_reg = s3_reg_required_here ((&backupstr), 0, s3_REG_TYPE_SCORE);
5763
5764 SKIP_WHITESPACE ();
5765 s3_skip_past_comma (&backupstr);
5766 i = 0;
5767 while (*backupstr != '\n')
5768 {
5769 str[i] = *backupstr;
5770 i++;
5771 backupstr++;
5772 }
5773 str[i] = '\0';
5774 val = atoi (str);
5775 s3_cur_proc_ptr->leaf = val;
5776 SKIP_WHITESPACE ();
5777 s3_skip_past_comma (&backupstr);
5778
5779 #endif /* OBJ_ELF */
5780 while (input_line_pointer != backupstr)
5781 input_line_pointer++;
5782 }
5783
5784 /* The .end directive. */
5785 static void
5786 s3_s_score_end (int x ATTRIBUTE_UNUSED)
5787 {
5788 symbolS *p;
5789 int maybe_text;
5790
5791 /* Generate a .pdr section. */
5792 segT saved_seg = now_seg;
5793 subsegT saved_subseg = now_subseg;
5794 valueT dot;
5795 expressionS exp;
5796 char *fragp;
5797
5798 if (!is_end_of_line[(unsigned char)*input_line_pointer])
5799 {
5800 p = s3_get_symbol ();
5801 demand_empty_rest_of_line ();
5802 }
5803 else
5804 p = NULL;
5805
5806 #ifdef BFD_ASSEMBLER
5807 if ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0)
5808 maybe_text = 1;
5809 else
5810 maybe_text = 0;
5811 #else
5812 if (now_seg != data_section && now_seg != bss_section)
5813 maybe_text = 1;
5814 else
5815 maybe_text = 0;
5816 #endif
5817
5818 if (!maybe_text)
5819 as_warn (_(".end not in text section"));
5820 if (!s3_cur_proc_ptr)
5821 {
5822 as_warn (_(".end directive without a preceding .ent directive."));
5823 demand_empty_rest_of_line ();
5824 return;
5825 }
5826 if (p != NULL)
5827 {
5828 assert (S_GET_NAME (p));
5829 if (strcmp (S_GET_NAME (p), S_GET_NAME (s3_cur_proc_ptr->isym)))
5830 as_warn (_(".end symbol does not match .ent symbol."));
5831 if (debug_type == DEBUG_STABS)
5832 stabs_generate_asm_endfunc (S_GET_NAME (p), S_GET_NAME (p));
5833 }
5834 else
5835 as_warn (_(".end directive missing or unknown symbol"));
5836
5837 if ((s3_cur_proc_ptr->reg_mask == 0xdeadbeaf) ||
5838 (s3_cur_proc_ptr->reg_offset == 0xdeadbeaf) ||
5839 (s3_cur_proc_ptr->leaf == 0xdeafbeaf) ||
5840 (s3_cur_proc_ptr->frame_offset == 0xdeafbeaf) ||
5841 (s3_cur_proc_ptr->frame_reg == 0xdeafbeaf) || (s3_cur_proc_ptr->pc_reg == 0xdeafbeaf));
5842
5843 else
5844 {
5845 dot = frag_now_fix ();
5846 assert (s3_pdr_seg);
5847 subseg_set (s3_pdr_seg, 0);
5848 /* Write the symbol. */
5849 exp.X_op = O_symbol;
5850 exp.X_add_symbol = p;
5851 exp.X_add_number = 0;
5852 emit_expr (&exp, 4);
5853 fragp = frag_more (7 * 4);
5854 md_number_to_chars (fragp, (valueT) s3_cur_proc_ptr->reg_mask, 4);
5855 md_number_to_chars (fragp + 4, (valueT) s3_cur_proc_ptr->reg_offset, 4);
5856 md_number_to_chars (fragp + 8, (valueT) s3_cur_proc_ptr->fpreg_mask, 4);
5857 md_number_to_chars (fragp + 12, (valueT) s3_cur_proc_ptr->leaf, 4);
5858 md_number_to_chars (fragp + 16, (valueT) s3_cur_proc_ptr->frame_offset, 4);
5859 md_number_to_chars (fragp + 20, (valueT) s3_cur_proc_ptr->frame_reg, 4);
5860 md_number_to_chars (fragp + 24, (valueT) s3_cur_proc_ptr->pc_reg, 4);
5861 subseg_set (saved_seg, saved_subseg);
5862
5863 }
5864 s3_cur_proc_ptr = NULL;
5865 }
5866
5867 /* Handle the .set pseudo-op. */
5868 static void
5869 s3_s_score_set (int x ATTRIBUTE_UNUSED)
5870 {
5871 int i = 0;
5872 char name[s3_MAX_LITERAL_POOL_SIZE];
5873 char * orig_ilp = input_line_pointer;
5874
5875 while (!is_end_of_line[(unsigned char)*input_line_pointer])
5876 {
5877 name[i] = (char) * input_line_pointer;
5878 i++;
5879 ++input_line_pointer;
5880 }
5881
5882 name[i] = '\0';
5883
5884 if (strcmp (name, "nwarn") == 0)
5885 {
5886 s3_warn_fix_data_dependency = 0;
5887 }
5888 else if (strcmp (name, "fixdd") == 0)
5889 {
5890 s3_fix_data_dependency = 1;
5891 }
5892 else if (strcmp (name, "nofixdd") == 0)
5893 {
5894 s3_fix_data_dependency = 0;
5895 }
5896 else if (strcmp (name, "r1") == 0)
5897 {
5898 s3_nor1 = 0;
5899 }
5900 else if (strcmp (name, "nor1") == 0)
5901 {
5902 s3_nor1 = 1;
5903 }
5904 else if (strcmp (name, "optimize") == 0)
5905 {
5906 s3_g_opt = 1;
5907 }
5908 else if (strcmp (name, "volatile") == 0)
5909 {
5910 s3_g_opt = 0;
5911 }
5912 else if (strcmp (name, "pic") == 0)
5913 {
5914 s3_score_pic = s3_PIC;
5915 }
5916 else
5917 {
5918 input_line_pointer = orig_ilp;
5919 s_set (0);
5920 }
5921 }
5922
5923 /* Handle the .cpload pseudo-op. This is used when generating s3_PIC code. It sets the
5924 $gp register for the function based on the function address, which is in the register
5925 named in the argument. This uses a relocation against GP_DISP_LABEL, which is handled
5926 specially by the linker. The result is:
5927 ldis gp, %hi(GP_DISP_LABEL)
5928 ori gp, %low(GP_DISP_LABEL)
5929 add gp, gp, .cpload argument
5930 The .cpload argument is normally r29. */
5931 static void
5932 s3_s_score_cpload (int ignore ATTRIBUTE_UNUSED)
5933 {
5934 int reg;
5935 char insn_str[s3_MAX_LITERAL_POOL_SIZE];
5936
5937 /* If we are not generating s3_PIC code, .cpload is ignored. */
5938 if (s3_score_pic == s3_NO_PIC)
5939 {
5940 s_ignore (0);
5941 return;
5942 }
5943
5944 if ((reg = s3_reg_required_here (&input_line_pointer, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
5945 return;
5946
5947 demand_empty_rest_of_line ();
5948
5949 sprintf (insn_str, "ld_i32hi r%d, %s", s3_GP, GP_DISP_LABEL);
5950 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
5951 return;
5952
5953 sprintf (insn_str, "ld_i32lo r%d, %s", s3_GP, GP_DISP_LABEL);
5954 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
5955 return;
5956
5957 sprintf (insn_str, "add r%d, r%d, r%d", s3_GP, s3_GP, reg);
5958 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
5959 return;
5960 }
5961
5962 /* Handle the .cprestore pseudo-op. This stores $gp into a given
5963 offset from $sp. The offset is remembered, and after making a s3_PIC
5964 call $gp is restored from that location. */
5965 static void
5966 s3_s_score_cprestore (int ignore ATTRIBUTE_UNUSED)
5967 {
5968 int reg;
5969 int cprestore_offset;
5970 char insn_str[s3_MAX_LITERAL_POOL_SIZE];
5971
5972 /* If we are not generating s3_PIC code, .cprestore is ignored. */
5973 if (s3_score_pic == s3_NO_PIC)
5974 {
5975 s_ignore (0);
5976 return;
5977 }
5978
5979 if ((reg = s3_reg_required_here (&input_line_pointer, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL
5980 || s3_skip_past_comma (&input_line_pointer) == (int) s3_FAIL)
5981 {
5982 return;
5983 }
5984
5985 cprestore_offset = get_absolute_expression ();
5986
5987 if (cprestore_offset <= 0x3fff)
5988 {
5989 sprintf (insn_str, "sw r%d, [r%d, %d]", s3_GP, reg, cprestore_offset);
5990 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
5991 return;
5992 }
5993 else
5994 {
5995 int r1_bak;
5996
5997 r1_bak = s3_nor1;
5998 s3_nor1 = 0;
5999
6000 sprintf (insn_str, "li r1, %d", cprestore_offset);
6001 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
6002 return;
6003
6004 sprintf (insn_str, "add r1, r1, r%d", reg);
6005 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
6006 return;
6007
6008 sprintf (insn_str, "sw r%d, [r1]", s3_GP);
6009 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
6010 return;
6011
6012 s3_nor1 = r1_bak;
6013 }
6014
6015 demand_empty_rest_of_line ();
6016 }
6017
6018 /* Handle the .gpword pseudo-op. This is used when generating s3_PIC
6019 code. It generates a 32 bit s3_GP relative reloc. */
6020 static void
6021 s3_s_score_gpword (int ignore ATTRIBUTE_UNUSED)
6022 {
6023 expressionS ex;
6024 char *p;
6025
6026 /* When not generating s3_PIC code, this is treated as .word. */
6027 if (s3_score_pic == s3_NO_PIC)
6028 {
6029 cons (4);
6030 return;
6031 }
6032 expression (&ex);
6033 if (ex.X_op != O_symbol || ex.X_add_number != 0)
6034 {
6035 as_bad (_("Unsupported use of .gpword"));
6036 ignore_rest_of_line ();
6037 }
6038 p = frag_more (4);
6039 s3_md_number_to_chars (p, (valueT) 0, 4);
6040 fix_new_exp (frag_now, p - frag_now->fr_literal, 4, &ex, FALSE, BFD_RELOC_GPREL32);
6041 demand_empty_rest_of_line ();
6042 }
6043
6044 /* Handle the .cpadd pseudo-op. This is used when dealing with switch
6045 tables in s3_PIC code. */
6046 static void
6047 s3_s_score_cpadd (int ignore ATTRIBUTE_UNUSED)
6048 {
6049 int reg;
6050 char insn_str[s3_MAX_LITERAL_POOL_SIZE];
6051
6052 /* If we are not generating s3_PIC code, .cpload is ignored. */
6053 if (s3_score_pic == s3_NO_PIC)
6054 {
6055 s_ignore (0);
6056 return;
6057 }
6058
6059 if ((reg = s3_reg_required_here (&input_line_pointer, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)
6060 {
6061 return;
6062 }
6063 demand_empty_rest_of_line ();
6064
6065 /* Add $gp to the register named as an argument. */
6066 sprintf (insn_str, "add r%d, r%d, r%d", reg, reg, s3_GP);
6067 if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL)
6068 return;
6069 }
6070
6071 #ifndef TC_IMPLICIT_LCOMM_ALIGNMENT
6072 #define TC_IMPLICIT_LCOMM_ALIGNMENT(SIZE, P2VAR) \
6073 do \
6074 { \
6075 if ((SIZE) >= 8) \
6076 (P2VAR) = 3; \
6077 else if ((SIZE) >= 4) \
6078 (P2VAR) = 2; \
6079 else if ((SIZE) >= 2) \
6080 (P2VAR) = 1; \
6081 else \
6082 (P2VAR) = 0; \
6083 } \
6084 while (0)
6085 #endif
6086
6087 static void
6088 s3_s_score_lcomm (int bytes_p)
6089 {
6090 char *name;
6091 char c;
6092 char *p;
6093 int temp;
6094 symbolS *symbolP;
6095 segT current_seg = now_seg;
6096 subsegT current_subseg = now_subseg;
6097 const int max_alignment = 15;
6098 int align = 0;
6099 segT bss_seg = bss_section;
6100 int needs_align = 0;
6101
6102 name = input_line_pointer;
6103 c = get_symbol_end ();
6104 p = input_line_pointer;
6105 *p = c;
6106
6107 if (name == p)
6108 {
6109 as_bad (_("expected symbol name"));
6110 discard_rest_of_line ();
6111 return;
6112 }
6113
6114 SKIP_WHITESPACE ();
6115
6116 /* Accept an optional comma after the name. The comma used to be
6117 required, but Irix 5 cc does not generate it. */
6118 if (*input_line_pointer == ',')
6119 {
6120 ++input_line_pointer;
6121 SKIP_WHITESPACE ();
6122 }
6123
6124 if (is_end_of_line[(unsigned char)*input_line_pointer])
6125 {
6126 as_bad (_("missing size expression"));
6127 return;
6128 }
6129
6130 if ((temp = get_absolute_expression ()) < 0)
6131 {
6132 as_warn (_("BSS length (%d) < 0 ignored"), temp);
6133 ignore_rest_of_line ();
6134 return;
6135 }
6136
6137 #if defined (TC_SCORE)
6138 if (OUTPUT_FLAVOR == bfd_target_ecoff_flavour || OUTPUT_FLAVOR == bfd_target_elf_flavour)
6139 {
6140 /* For Score and Alpha ECOFF or ELF, small objects are put in .sbss. */
6141 if ((unsigned)temp <= bfd_get_gp_size (stdoutput))
6142 {
6143 bss_seg = subseg_new (".sbss", 1);
6144 seg_info (bss_seg)->bss = 1;
6145 #ifdef BFD_ASSEMBLER
6146 if (!bfd_set_section_flags (stdoutput, bss_seg, SEC_ALLOC))
6147 as_warn (_("error setting flags for \".sbss\": %s"), bfd_errmsg (bfd_get_error ()));
6148 #endif
6149 }
6150 }
6151 #endif
6152
6153 SKIP_WHITESPACE ();
6154 if (*input_line_pointer == ',')
6155 {
6156 ++input_line_pointer;
6157 SKIP_WHITESPACE ();
6158
6159 if (is_end_of_line[(unsigned char)*input_line_pointer])
6160 {
6161 as_bad (_("missing alignment"));
6162 return;
6163 }
6164 else
6165 {
6166 align = get_absolute_expression ();
6167 needs_align = 1;
6168 }
6169 }
6170
6171 if (!needs_align)
6172 {
6173 TC_IMPLICIT_LCOMM_ALIGNMENT (temp, align);
6174
6175 /* Still zero unless TC_IMPLICIT_LCOMM_ALIGNMENT set it. */
6176 if (align)
6177 record_alignment (bss_seg, align);
6178 }
6179
6180 if (needs_align)
6181 {
6182 if (bytes_p)
6183 {
6184 /* Convert to a power of 2. */
6185 if (align != 0)
6186 {
6187 unsigned int i;
6188
6189 for (i = 0; align != 0; align >>= 1, ++i)
6190 ;
6191 align = i - 1;
6192 }
6193 }
6194
6195 if (align > max_alignment)
6196 {
6197 align = max_alignment;
6198 as_warn (_("alignment too large; %d assumed"), align);
6199 }
6200 else if (align < 0)
6201 {
6202 align = 0;
6203 as_warn (_("alignment negative; 0 assumed"));
6204 }
6205
6206 record_alignment (bss_seg, align);
6207 }
6208 else
6209 {
6210 /* Assume some objects may require alignment on some systems. */
6211 #if defined (TC_ALPHA) && ! defined (VMS)
6212 if (temp > 1)
6213 {
6214 align = ffs (temp) - 1;
6215 if (temp % (1 << align))
6216 abort ();
6217 }
6218 #endif
6219 }
6220
6221 *p = 0;
6222 symbolP = symbol_find_or_make (name);
6223 *p = c;
6224
6225 if (
6226 #if (defined (OBJ_AOUT) || defined (OBJ_MAYBE_AOUT) \
6227 || defined (OBJ_BOUT) || defined (OBJ_MAYBE_BOUT))
6228 #ifdef BFD_ASSEMBLER
6229 (OUTPUT_FLAVOR != bfd_target_aout_flavour
6230 || (S_GET_OTHER (symbolP) == 0 && S_GET_DESC (symbolP) == 0)) &&
6231 #else
6232 (S_GET_OTHER (symbolP) == 0 && S_GET_DESC (symbolP) == 0) &&
6233 #endif
6234 #endif
6235 (S_GET_SEGMENT (symbolP) == bss_seg || (!S_IS_DEFINED (symbolP) && S_GET_VALUE (symbolP) == 0)))
6236 {
6237 char *pfrag;
6238
6239 subseg_set (bss_seg, 1);
6240
6241 if (align)
6242 frag_align (align, 0, 0);
6243
6244 /* Detach from old frag. */
6245 if (S_GET_SEGMENT (symbolP) == bss_seg)
6246 symbol_get_frag (symbolP)->fr_symbol = NULL;
6247
6248 symbol_set_frag (symbolP, frag_now);
6249 pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, (offsetT) temp, NULL);
6250 *pfrag = 0;
6251
6252
6253 S_SET_SEGMENT (symbolP, bss_seg);
6254
6255 #ifdef OBJ_COFF
6256 /* The symbol may already have been created with a preceding
6257 ".globl" directive -- be careful not to step on storage class
6258 in that case. Otherwise, set it to static. */
6259 if (S_GET_STORAGE_CLASS (symbolP) != C_EXT)
6260 {
6261 S_SET_STORAGE_CLASS (symbolP, C_STAT);
6262 }
6263 #endif /* OBJ_COFF */
6264
6265 #ifdef S_SET_SIZE
6266 S_SET_SIZE (symbolP, temp);
6267 #endif
6268 }
6269 else
6270 as_bad (_("symbol `%s' is already defined"), S_GET_NAME (symbolP));
6271
6272 subseg_set (current_seg, current_subseg);
6273
6274 demand_empty_rest_of_line ();
6275 }
6276
6277 static void
6278 s3_insert_reg (const struct s3_reg_entry *r, struct hash_control *htab)
6279 {
6280 int i = 0;
6281 int len = strlen (r->name) + 2;
6282 char *buf = xmalloc (len);
6283 char *buf2 = xmalloc (len);
6284
6285 strcpy (buf + i, r->name);
6286 for (i = 0; buf[i]; i++)
6287 {
6288 buf2[i] = TOUPPER (buf[i]);
6289 }
6290 buf2[i] = '\0';
6291
6292 hash_insert (htab, buf, (void *) r);
6293 hash_insert (htab, buf2, (void *) r);
6294 }
6295
6296 static void
6297 s3_build_reg_hsh (struct s3_reg_map *map)
6298 {
6299 const struct s3_reg_entry *r;
6300
6301 if ((map->htab = hash_new ()) == NULL)
6302 {
6303 as_fatal (_("virtual memory exhausted"));
6304 }
6305 for (r = map->names; r->name != NULL; r++)
6306 {
6307 s3_insert_reg (r, map->htab);
6308 }
6309 }
6310
6311 /* Iterate over the base tables to create the instruction patterns. */
6312 static void
6313 s3_build_score_ops_hsh (void)
6314 {
6315 unsigned int i;
6316 static struct obstack insn_obstack;
6317
6318 obstack_begin (&insn_obstack, 4000);
6319 for (i = 0; i < sizeof (s3_score_insns) / sizeof (struct s3_asm_opcode); i++)
6320 {
6321 const struct s3_asm_opcode *insn = s3_score_insns + i;
6322 unsigned len = strlen (insn->template);
6323 struct s3_asm_opcode *new;
6324 char *template;
6325 new = obstack_alloc (&insn_obstack, sizeof (struct s3_asm_opcode));
6326 template = obstack_alloc (&insn_obstack, len + 1);
6327
6328 strcpy (template, insn->template);
6329 new->template = template;
6330 new->parms = insn->parms;
6331 new->value = insn->value;
6332 new->relax_value = insn->relax_value;
6333 new->type = insn->type;
6334 new->bitmask = insn->bitmask;
6335 hash_insert (s3_score_ops_hsh, new->template, (void *) new);
6336 }
6337 }
6338
6339 static void
6340 s3_build_dependency_insn_hsh (void)
6341 {
6342 unsigned int i;
6343 static struct obstack dependency_obstack;
6344
6345 obstack_begin (&dependency_obstack, 4000);
6346 for (i = 0; i < sizeof (s3_insn_to_dependency_table) / sizeof (s3_insn_to_dependency_table[0]); i++)
6347 {
6348 const struct s3_insn_to_dependency *tmp = s3_insn_to_dependency_table + i;
6349 unsigned len = strlen (tmp->insn_name);
6350 struct s3_insn_to_dependency *new;
6351
6352 new = obstack_alloc (&dependency_obstack, sizeof (struct s3_insn_to_dependency));
6353 new->insn_name = obstack_alloc (&dependency_obstack, len + 1);
6354
6355 strcpy (new->insn_name, tmp->insn_name);
6356 new->type = tmp->type;
6357 hash_insert (s3_dependency_insn_hsh, new->insn_name, (void *) new);
6358 }
6359 }
6360
6361 static void
6362 s_score_bss (int ignore ATTRIBUTE_UNUSED)
6363 {
6364 if (score3)
6365 return s3_s_score_bss (ignore);
6366 else
6367 return s7_s_score_bss (ignore);
6368 }
6369
6370 static void
6371 s_score_text (int ignore)
6372 {
6373 if (score3)
6374 return s3_s_score_text (ignore);
6375 else
6376 return s7_s_score_text (ignore);
6377 }
6378
6379 static void
6380 s_section (int ignore)
6381 {
6382 if (score3)
6383 return s3_score_s_section (ignore);
6384 else
6385 return s7_s_section (ignore);
6386 }
6387
6388 static void
6389 s_change_sec (int sec)
6390 {
6391 if (score3)
6392 return s3_s_change_sec (sec);
6393 else
6394 return s7_s_change_sec (sec);
6395 }
6396
6397 static void
6398 s_score_mask (int reg_type ATTRIBUTE_UNUSED)
6399 {
6400 if (score3)
6401 return s3_s_score_mask (reg_type);
6402 else
6403 return s7_s_score_mask (reg_type);
6404 }
6405
6406 static void
6407 s_score_ent (int aent)
6408 {
6409 if (score3)
6410 return s3_s_score_ent (aent);
6411 else
6412 return s7_s_score_ent (aent);
6413 }
6414
6415 static void
6416 s_score_frame (int ignore ATTRIBUTE_UNUSED)
6417 {
6418 if (score3)
6419 return s3_s_score_frame (ignore);
6420 else
6421 return s7_s_score_frame (ignore);
6422 }
6423
6424 static void
6425 s_score_end (int x ATTRIBUTE_UNUSED)
6426 {
6427 if (score3)
6428 return s3_s_score_end (x);
6429 else
6430 return s7_s_score_end (x);
6431 }
6432
6433 static void
6434 s_score_set (int x ATTRIBUTE_UNUSED)
6435 {
6436 if (score3)
6437 return s3_s_score_set (x);
6438 else
6439 return s7_s_score_set (x);
6440 }
6441
6442 static void
6443 s_score_cpload (int ignore ATTRIBUTE_UNUSED)
6444 {
6445 if (score3)
6446 return s3_s_score_cpload (ignore);
6447 else
6448 return s7_s_score_cpload (ignore);
6449 }
6450
6451 static void
6452 s_score_cprestore (int ignore ATTRIBUTE_UNUSED)
6453 {
6454 if (score3)
6455 return s3_s_score_cprestore (ignore);
6456 else
6457 return s7_s_score_cprestore (ignore);
6458 }
6459
6460 static void
6461 s_score_gpword (int ignore ATTRIBUTE_UNUSED)
6462 {
6463 if (score3)
6464 return s3_s_score_gpword (ignore);
6465 else
6466 return s7_s_score_gpword (ignore);
6467 }
6468
6469 static void
6470 s_score_cpadd (int ignore ATTRIBUTE_UNUSED)
6471 {
6472 if (score3)
6473 return s3_s_score_cpadd (ignore);
6474 else
6475 return s7_s_score_cpadd (ignore);
6476 }
6477
6478 static void
6479 s_score_lcomm (int bytes_p)
6480 {
6481 if (score3)
6482 return s3_s_score_lcomm (bytes_p);
6483 else
6484 return s7_s_score_lcomm (bytes_p);
6485 }
6486
6487 static void
6488 s3_assemble (char *str)
6489 {
6490 know (str);
6491 know (strlen (str) < s3_MAX_LITERAL_POOL_SIZE);
6492
6493 memset (&s3_inst, '\0', sizeof (s3_inst));
6494 if (s3_INSN_IS_PCE_P (str))
6495 s3_parse_pce_inst (str);
6496 else if (s3_INSN_IS_48_P (str))
6497 s3_parse_48_inst (str, TRUE);
6498 else
6499 s3_parse_16_32_inst (str, TRUE);
6500
6501 if (s3_inst.error)
6502 as_bad (_("%s -- `%s'"), s3_inst.error, s3_inst.str);
6503 }
6504
6505 static void
6506 s3_operand (expressionS * expr)
6507 {
6508 if (s3_in_my_get_expression)
6509 {
6510 expr->X_op = O_illegal;
6511 if (s3_inst.error == NULL)
6512 {
6513 s3_inst.error = _("bad expression");
6514 }
6515 }
6516 }
6517
6518 static void
6519 s3_begin (void)
6520 {
6521 unsigned int i;
6522 segT seg;
6523 subsegT subseg;
6524
6525 if ((s3_score_ops_hsh = hash_new ()) == NULL)
6526 as_fatal (_("virtual memory exhausted"));
6527
6528 s3_build_score_ops_hsh ();
6529
6530 if ((s3_dependency_insn_hsh = hash_new ()) == NULL)
6531 as_fatal (_("virtual memory exhausted"));
6532
6533 s3_build_dependency_insn_hsh ();
6534
6535 for (i = (int)s3_REG_TYPE_FIRST; i < (int)s3_REG_TYPE_MAX; i++)
6536 s3_build_reg_hsh (s3_all_reg_maps + i);
6537
6538 /* Initialize dependency vector. */
6539 s3_init_dependency_vector ();
6540
6541 bfd_set_arch_mach (stdoutput, TARGET_ARCH, 0);
6542 seg = now_seg;
6543 subseg = now_subseg;
6544 s3_pdr_seg = subseg_new (".pdr", (subsegT) 0);
6545 (void)bfd_set_section_flags (stdoutput, s3_pdr_seg, SEC_READONLY | SEC_RELOC | SEC_DEBUGGING);
6546 (void)bfd_set_section_alignment (stdoutput, s3_pdr_seg, 2);
6547 subseg_set (seg, subseg);
6548
6549 if (s3_USE_GLOBAL_POINTER_OPT)
6550 bfd_set_gp_size (stdoutput, s3_g_switch_value);
6551 }
6552
6553 static void
6554 s3_number_to_chars (char *buf, valueT val, int n)
6555 {
6556 if (target_big_endian)
6557 number_to_chars_bigendian (buf, val, n);
6558 else
6559 number_to_chars_littleendian (buf, val, n);
6560 }
6561
6562 static valueT
6563 s3_normal_chars_to_number (char *buf, int n)
6564 {
6565 valueT result = 0;
6566 unsigned char *where = (unsigned char *)buf;
6567
6568 if (target_big_endian)
6569 {
6570 while (n--)
6571 {
6572 result <<= 8;
6573 result |= (*where++ & 255);
6574 }
6575 }
6576 else
6577 {
6578 while (n--)
6579 {
6580 result <<= 8;
6581 result |= (where[n] & 255);
6582 }
6583 }
6584
6585 return result;
6586 }
6587
6588 static void
6589 s3_number_to_chars_littleendian (void *p, valueT data, int n)
6590 {
6591 char *buf = (char *) p;
6592
6593 switch (n)
6594 {
6595 case 4:
6596 md_number_to_chars (buf, data >> 16, 2);
6597 md_number_to_chars (buf + 2, data, 2);
6598 break;
6599 case 6:
6600 md_number_to_chars (buf, data >> 32, 2);
6601 md_number_to_chars (buf + 2, data >> 16, 2);
6602 md_number_to_chars (buf + 4, data, 2);
6603 break;
6604 default:
6605 /* Error routine. */
6606 as_bad_where (__FILE__, __LINE__, _("size is not 4 or 6"));
6607 break;
6608 }
6609 }
6610
6611 static valueT
6612 s3_chars_to_number_littleendian (const void *p, int n)
6613 {
6614 char *buf = (char *) p;
6615 valueT result = 0;
6616
6617 switch (n)
6618 {
6619 case 4:
6620 result = s3_normal_chars_to_number (buf, 2) << 16;
6621 result |= s3_normal_chars_to_number (buf + 2, 2);
6622 break;
6623 case 6:
6624 result = s3_normal_chars_to_number (buf, 2) << 32;
6625 result |= s3_normal_chars_to_number (buf + 2, 2) << 16;
6626 result |= s3_normal_chars_to_number (buf + 4, 2);
6627 break;
6628 default:
6629 /* Error routine. */
6630 as_bad_where (__FILE__, __LINE__, _("size is not 4 or 6"));
6631 break;
6632 }
6633
6634 return result;
6635 }
6636
6637 static void
6638 s3_md_number_to_chars (char *buf, valueT val, int n)
6639 {
6640 if (!target_big_endian && n >= 4)
6641 s3_number_to_chars_littleendian (buf, val, n);
6642 else
6643 md_number_to_chars (buf, val, n);
6644 }
6645
6646 static valueT
6647 s3_md_chars_to_number (char *buf, int n)
6648 {
6649 valueT result = 0;
6650
6651 if (!target_big_endian && n >= 4)
6652 result = s3_chars_to_number_littleendian (buf, n);
6653 else
6654 result = s3_normal_chars_to_number (buf, n);
6655
6656 return result;
6657 }
6658
6659 static char *
6660 s3_atof (int type, char *litP, int *sizeP)
6661 {
6662 int prec;
6663 LITTLENUM_TYPE words[s3_MAX_LITTLENUMS];
6664 char *t;
6665 int i;
6666
6667 switch (type)
6668 {
6669 case 'f':
6670 case 'F':
6671 case 's':
6672 case 'S':
6673 prec = 2;
6674 break;
6675 case 'd':
6676 case 'D':
6677 case 'r':
6678 case 'R':
6679 prec = 4;
6680 break;
6681 case 'x':
6682 case 'X':
6683 case 'p':
6684 case 'P':
6685 prec = 6;
6686 break;
6687 default:
6688 *sizeP = 0;
6689 return _("bad call to MD_ATOF()");
6690 }
6691
6692 t = atof_ieee (input_line_pointer, type, words);
6693 if (t)
6694 input_line_pointer = t;
6695 *sizeP = prec * 2;
6696
6697 if (target_big_endian)
6698 {
6699 for (i = 0; i < prec; i++)
6700 {
6701 s3_md_number_to_chars (litP, (valueT) words[i], 2);
6702 litP += 2;
6703 }
6704 }
6705 else
6706 {
6707 for (i = 0; i < prec; i += 2)
6708 {
6709 s3_md_number_to_chars (litP, (valueT) words[i + 1], 2);
6710 s3_md_number_to_chars (litP + 2, (valueT) words[i], 2);
6711 litP += 4;
6712 }
6713 }
6714
6715 return 0;
6716 }
6717
6718 static void
6719 s3_frag_check (fragS * fragp ATTRIBUTE_UNUSED)
6720 {
6721 know (fragp->insn_addr <= s3_RELAX_PAD_BYTE);
6722 }
6723
6724 static void
6725 s3_validate_fix (fixS *fixP)
6726 {
6727 fixP->fx_where += fixP->fx_frag->insn_addr;
6728 }
6729
6730 static int
6731 s3_force_relocation (struct fix *fixp)
6732 {
6733 int retval = 0;
6734
6735 if (fixp->fx_r_type == BFD_RELOC_VTABLE_INHERIT
6736 || fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY
6737 || fixp->fx_r_type == BFD_RELOC_SCORE_JMP
6738 || fixp->fx_r_type == BFD_RELOC_SCORE_BRANCH
6739 || fixp->fx_r_type == BFD_RELOC_SCORE16_JMP
6740 || fixp->fx_r_type == BFD_RELOC_SCORE16_BRANCH
6741 || fixp->fx_r_type == BFD_RELOC_SCORE_BCMP)
6742 {
6743 retval = 1;
6744 }
6745 return retval;
6746 }
6747
6748 static bfd_boolean
6749 s3_fix_adjustable (fixS * fixP)
6750 {
6751 if (fixP->fx_addsy == NULL)
6752 {
6753 return 1;
6754 }
6755 else if (OUTPUT_FLAVOR == bfd_target_elf_flavour
6756 && (S_IS_EXTERNAL (fixP->fx_addsy) || S_IS_WEAK (fixP->fx_addsy)))
6757 {
6758 return 0;
6759 }
6760 else if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT
6761 || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY
6762 || fixP->fx_r_type == BFD_RELOC_SCORE_JMP
6763 || fixP->fx_r_type == BFD_RELOC_SCORE16_JMP)
6764 {
6765 return 0;
6766 }
6767
6768 return 1;
6769 }
6770
6771 static void
6772 s3_elf_final_processing (void)
6773 {
6774 unsigned long val = 0;
6775
6776 if (score3)
6777 val = E_SCORE_MACH_SCORE3;
6778 else if (score7)
6779 val = E_SCORE_MACH_SCORE7;
6780
6781 elf_elfheader (stdoutput)->e_machine = EM_SCORE;
6782 elf_elfheader (stdoutput)->e_flags &= ~EF_SCORE_MACH;
6783 elf_elfheader (stdoutput)->e_flags |= val;
6784
6785 if (s3_fix_data_dependency == 1)
6786 {
6787 elf_elfheader (stdoutput)->e_flags |= EF_SCORE_FIXDEP;
6788 }
6789 if (s3_score_pic == s3_PIC)
6790 {
6791 elf_elfheader (stdoutput)->e_flags |= EF_SCORE_PIC;
6792 }
6793 }
6794
6795 static int
6796 s3_judge_size_before_relax (fragS * fragp, asection *sec)
6797 {
6798 int change = 0;
6799
6800 if (s3_score_pic == s3_NO_PIC)
6801 change = s3_nopic_need_relax (fragp->fr_symbol, 0);
6802 else
6803 change = s3_pic_need_relax (fragp->fr_symbol, sec);
6804
6805 if (change == 1)
6806 {
6807 /* Only at the first time determining whether s3_GP instruction relax should be done,
6808 return the difference between insntruction size and instruction relax size. */
6809 if (fragp->fr_opcode == NULL)
6810 {
6811 fragp->fr_fix = s3_RELAX_NEW (fragp->fr_subtype);
6812 fragp->fr_opcode = fragp->fr_literal + s3_RELAX_RELOC1 (fragp->fr_subtype);
6813 return s3_RELAX_NEW (fragp->fr_subtype) - s3_RELAX_OLD (fragp->fr_subtype);
6814 }
6815 }
6816
6817 return 0;
6818 }
6819
6820 static int
6821 s3_estimate_size_before_relax (fragS * fragp, asection * sec ATTRIBUTE_UNUSED)
6822 {
6823 if ((s3_RELAX_TYPE (fragp->fr_subtype) == Insn_GP)
6824 || (s3_RELAX_TYPE (fragp->fr_subtype) == Insn_PIC))
6825 return s3_judge_size_before_relax (fragp, sec);
6826
6827 return 0;
6828 }
6829
6830 static int
6831 s3_relax_branch_inst32 (fragS * fragp)
6832 {
6833 fragp->fr_opcode = NULL;
6834 return 0;
6835 }
6836
6837 static int
6838 s3_relax_branch_inst16 (fragS * fragp)
6839 {
6840 int relaxable_p = 0;
6841 int frag_addr = fragp->fr_address + fragp->insn_addr;
6842 addressT symbol_address = 0;
6843 symbolS *s;
6844 offsetT offset;
6845 long value;
6846 unsigned long inst_value;
6847
6848 relaxable_p = s3_RELAX_OPT (fragp->fr_subtype);
6849
6850 s = fragp->fr_symbol;
6851 if (s == NULL)
6852 frag_addr = 0;
6853 else
6854 {
6855 if (s->bsym != 0)
6856 symbol_address = (addressT) s->sy_frag->fr_address;
6857 }
6858
6859 inst_value = s3_md_chars_to_number (fragp->fr_literal, s3_INSN16_SIZE);
6860 offset = (inst_value & 0x1ff) << 1;
6861 if ((offset & 0x200) == 0x200)
6862 offset |= 0xfffffc00;
6863
6864 value = offset + symbol_address - frag_addr;
6865
6866 if (relaxable_p
6867 && (!((value & 0xfffffe00) == 0 || (value & 0xfffffe00) == 0xfffffe00))
6868 && fragp->fr_fix == 2
6869 && (s->bsym != NULL)
6870 && (S_IS_DEFINED (s)
6871 && !S_IS_COMMON (s)
6872 && !S_IS_EXTERNAL (s)))
6873 {
6874 /* Relax branch 32 to branch 16. */
6875 fragp->fr_opcode = fragp->fr_literal + s3_RELAX_RELOC1 (fragp->fr_subtype);
6876 fragp->fr_fix = 4;
6877 return 2;
6878 }
6879 else
6880 return 0;
6881 }
6882
6883 static int
6884 s3_relax_cmpbranch_inst32 (fragS * fragp)
6885 {
6886 int relaxable_p = 0;
6887 symbolS *s;
6888 /* For sign bit. */
6889 long offset;
6890 long frag_addr = fragp->fr_address + fragp->insn_addr;
6891 long symbol_address = 0;
6892 long value;
6893 unsigned long inst_value;
6894
6895 relaxable_p = s3_RELAX_OPT (fragp->fr_subtype);
6896
6897 s = fragp->fr_symbol;
6898 if (s == NULL)
6899 frag_addr = 0;
6900 else
6901 {
6902 if (s->bsym != 0)
6903 symbol_address = (addressT) s->sy_frag->fr_address;
6904 }
6905
6906 inst_value = s3_md_chars_to_number (fragp->fr_literal, s3_INSN_SIZE);
6907 offset = (inst_value & 0x1)
6908 | (((inst_value >> 7) & 0x7) << 1)
6909 | (((inst_value >> 21) & 0x1f) << 4);
6910 offset <<= 1;
6911 if ((offset & 0x200) == 0x200)
6912 offset |= 0xfffffe00;
6913
6914 value = offset + symbol_address - frag_addr;
6915 /* change the order of judging rule is because
6916 1.not defined symbol or common sysbol or external symbol will change
6917 bcmp to cmp!+beq/bne ,here need to record fragp->fr_opcode
6918 2.if the flow is as before : it will results to recursive loop
6919 */
6920 if (fragp->fr_fix == 6)
6921 {
6922 /* Have already relaxed! Just return 0 to terminate the loop. */
6923 return 0;
6924 }
6925 /* need to translate when extern or not defind or common sysbol */
6926 else if ((relaxable_p
6927 && (!((value & 0xfffffe00) == 0 || (value & 0xfffffe00) == 0xfffffe00))
6928 && fragp->fr_fix == 4
6929 && (s->bsym != NULL))
6930 || !S_IS_DEFINED (s)
6931 ||S_IS_COMMON (s)
6932 ||S_IS_EXTERNAL (s))
6933 {
6934 fragp->fr_opcode = fragp->fr_literal + s3_RELAX_RELOC1 (fragp->fr_subtype);
6935 fragp->fr_fix = 6;
6936 return 2;
6937 }
6938
6939 else
6940 {
6941 /* Never relax. Modify fr_opcode to NULL to verify it's value in
6942 md_apply_fix. */
6943 fragp->fr_opcode = NULL;
6944 return 0;
6945 }
6946 }
6947
6948
6949 static int
6950 s3_relax_other_inst32 (fragS * fragp)
6951 {
6952 int relaxable_p = s3_RELAX_OPT (fragp->fr_subtype);
6953
6954 if (relaxable_p
6955 && fragp->fr_fix == 4)
6956 {
6957 fragp->fr_opcode = fragp->fr_literal + s3_RELAX_RELOC1 (fragp->fr_subtype);
6958 fragp->fr_fix = 2;
6959 return -2;
6960 }
6961 else
6962 return 0;
6963 }
6964
6965 static int
6966 s3_relax_gp_and_pic_inst32 (void)
6967 {
6968 /* md_estimate_size_before_relax has already relaxed s3_GP and s3_PIC
6969 instructions. We don't change relax size here. */
6970 return 0;
6971 }
6972
6973 static int
6974 s3_relax_frag (asection * sec ATTRIBUTE_UNUSED, fragS * fragp, long stretch ATTRIBUTE_UNUSED)
6975 {
6976 int grows = 0;
6977 int adjust_align_p = 0;
6978
6979 /* If the instruction address is odd, make it half word align first. */
6980 if ((fragp->fr_address) % 2 != 0)
6981 {
6982 if ((fragp->fr_address + fragp->insn_addr) % 2 != 0)
6983 {
6984 fragp->insn_addr = 1;
6985 grows += 1;
6986 adjust_align_p = 1;
6987 }
6988 }
6989
6990 switch (s3_RELAX_TYPE (fragp->fr_subtype))
6991 {
6992 case PC_DISP19div2:
6993 grows += s3_relax_branch_inst32 (fragp);
6994 break;
6995
6996 case PC_DISP8div2:
6997 grows += s3_relax_branch_inst16 (fragp);
6998 break;
6999
7000 case Insn_BCMP :
7001 grows += s3_relax_cmpbranch_inst32 (fragp);
7002 break;
7003
7004 case Insn_GP:
7005 case Insn_PIC:
7006 grows += s3_relax_gp_and_pic_inst32 ();
7007 break;
7008
7009 default:
7010 grows += s3_relax_other_inst32 (fragp);
7011 break;
7012 }
7013
7014 /* newly added */
7015 if (adjust_align_p && fragp->insn_addr)
7016 {
7017 fragp->fr_fix += fragp->insn_addr;
7018 }
7019
7020 return grows;
7021 }
7022
7023 static void
7024 s3_convert_frag (bfd * abfd ATTRIBUTE_UNUSED, segT sec ATTRIBUTE_UNUSED, fragS * fragp)
7025 {
7026 int old;
7027 int new;
7028 char backup[20];
7029 fixS *fixp;
7030
7031 old = s3_RELAX_OLD (fragp->fr_subtype);
7032 new = s3_RELAX_NEW (fragp->fr_subtype);
7033
7034 /* fragp->fr_opcode indicates whether this frag should be relaxed. */
7035 if (fragp->fr_opcode == NULL)
7036 {
7037 memcpy (backup, fragp->fr_literal, old);
7038 fragp->fr_fix = old;
7039 }
7040 else
7041 {
7042 memcpy (backup, fragp->fr_literal + old, new);
7043 fragp->fr_fix = new;
7044 }
7045
7046 fixp = fragp->tc_frag_data.fixp;
7047 while (fixp && fixp->fx_frag == fragp && fixp->fx_where < old)
7048 {
7049 if (fragp->fr_opcode)
7050 fixp->fx_done = 1;
7051 fixp = fixp->fx_next;
7052 }
7053 while (fixp && fixp->fx_frag == fragp)
7054 {
7055 if (fragp->fr_opcode)
7056 fixp->fx_where -= old + fragp->insn_addr;
7057 else
7058 fixp->fx_done = 1;
7059 fixp = fixp->fx_next;
7060 }
7061
7062 if (fragp->insn_addr)
7063 {
7064 s3_md_number_to_chars (fragp->fr_literal, 0x0, fragp->insn_addr);
7065 }
7066 memcpy (fragp->fr_literal + fragp->insn_addr, backup, fragp->fr_fix);
7067 fragp->fr_fix += fragp->insn_addr;
7068 }
7069
7070 static long
7071 s3_pcrel_from (fixS * fixP)
7072 {
7073 long retval = 0;
7074
7075 if (fixP->fx_addsy
7076 && (S_GET_SEGMENT (fixP->fx_addsy) == undefined_section)
7077 && (fixP->fx_subsy == NULL))
7078 {
7079 retval = 0;
7080 }
7081 else
7082 {
7083 retval = fixP->fx_where + fixP->fx_frag->fr_address;
7084 }
7085
7086 return retval;
7087 }
7088
7089 static valueT
7090 s3_section_align (segT segment ATTRIBUTE_UNUSED, valueT size)
7091 {
7092 int align = bfd_get_section_alignment (stdoutput, segment);
7093 return ((size + (1 << align) - 1) & (-1 << align));
7094 }
7095
7096 static void
7097 s3_apply_fix (fixS *fixP, valueT *valP, segT seg)
7098 {
7099 offsetT value = *valP;
7100 offsetT newval;
7101 offsetT content;
7102 unsigned short HI, LO;
7103
7104 char *buf = fixP->fx_frag->fr_literal + fixP->fx_where;
7105
7106 assert (fixP->fx_r_type < BFD_RELOC_UNUSED);
7107 if (fixP->fx_addsy == 0 && !fixP->fx_pcrel)
7108 {
7109 if (fixP->fx_r_type != BFD_RELOC_SCORE_DUMMY_HI16)
7110 fixP->fx_done = 1;
7111 }
7112
7113 /* If this symbol is in a different section then we need to leave it for
7114 the linker to deal with. Unfortunately, md_pcrel_from can't tell,
7115 so we have to undo it's effects here. */
7116 if (fixP->fx_pcrel)
7117 {
7118 if (fixP->fx_addsy != NULL
7119 && S_IS_DEFINED (fixP->fx_addsy)
7120 && S_GET_SEGMENT (fixP->fx_addsy) != seg)
7121 value += md_pcrel_from (fixP);
7122 }
7123
7124 /* Remember value for emit_reloc. */
7125 fixP->fx_addnumber = value;
7126
7127 switch (fixP->fx_r_type)
7128 {
7129 case BFD_RELOC_HI16_S:
7130 if (fixP->fx_done) /* For la rd, imm32. */
7131 {
7132 newval = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7133 HI = (value) >> 16; /* mul to 2, then take the hi 16 bit. */
7134 newval |= (HI & 0x3fff) << 1;
7135 newval |= ((HI >> 14) & 0x3) << 16;
7136 s3_md_number_to_chars (buf, newval, s3_INSN_SIZE);
7137 }
7138 break;
7139 case BFD_RELOC_LO16:
7140 if (fixP->fx_done) /* For la rd, imm32. */
7141 {
7142 newval = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7143 LO = (value) & 0xffff;
7144 newval |= (LO & 0x3fff) << 1; /* 16 bit: imm -> 14 bit in lo, 2 bit in hi. */
7145 newval |= ((LO >> 14) & 0x3) << 16;
7146 s3_md_number_to_chars (buf, newval, s3_INSN_SIZE);
7147 }
7148 break;
7149 case BFD_RELOC_SCORE_JMP:
7150 {
7151 content = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7152 value = fixP->fx_offset;
7153 content = (content & ~0x3ff7ffe) | ((value << 1) & 0x3ff0000) | (value & 0x7fff);
7154 s3_md_number_to_chars (buf, content, s3_INSN_SIZE);
7155 }
7156 break;
7157
7158 case BFD_RELOC_SCORE_IMM30:
7159 {
7160 content = s3_md_chars_to_number (buf, s3_INSN48_SIZE);
7161 value = fixP->fx_offset;
7162 value >>= 2;
7163 content = (content & ~0x7f7fff7f80LL)
7164 | (((value & 0xff) >> 0) << 7)
7165 | (((value & 0x7fff00) >> 8) << 16)
7166 | (((value & 0x3f800000) >> 23) << 32);
7167 s3_md_number_to_chars (buf, content, s3_INSN48_SIZE);
7168 break;
7169 }
7170
7171 case BFD_RELOC_SCORE_IMM32:
7172 {
7173 content = s3_md_chars_to_number (buf, s3_INSN48_SIZE);
7174 value = fixP->fx_offset;
7175 content = (content & ~0x7f7fff7fe0LL)
7176 | ((value & 0x3ff) << 5)
7177 | (((value >> 10) & 0x7fff) << 16)
7178 | (((value >> 25) & 0x7f) << 32);
7179 s3_md_number_to_chars (buf, content, s3_INSN48_SIZE);
7180 break;
7181 }
7182
7183 case BFD_RELOC_SCORE_BRANCH:
7184 if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) || (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy)))
7185 value = fixP->fx_offset;
7186 else
7187 fixP->fx_done = 1;
7188
7189 content = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7190
7191 /* Don't check c-bit. */
7192 if (fixP->fx_frag->fr_opcode != 0)
7193 {
7194 if ((value & 0xfffffe00) != 0 && (value & 0xfffffe00) != 0xfffffe00)
7195 {
7196 as_bad_where (fixP->fx_file, fixP->fx_line,
7197 _(" branch relocation truncate (0x%x) [-2^9 ~ 2^9]"), (unsigned int)value);
7198 return;
7199 }
7200 content = s3_md_chars_to_number (buf, s3_INSN16_SIZE);
7201 content &= 0xfe00;
7202 content = (content & 0xfe00) | ((value >> 1) & 0x1ff);
7203 s3_md_number_to_chars (buf, content, s3_INSN16_SIZE);
7204 fixP->fx_r_type = BFD_RELOC_SCORE16_BRANCH;
7205 fixP->fx_size = 2;
7206 }
7207 else
7208 {
7209 if ((value & 0xfff80000) != 0 && (value & 0xfff80000) != 0xfff80000)
7210 {
7211 as_bad_where (fixP->fx_file, fixP->fx_line,
7212 _(" branch relocation truncate (0x%x) [-2^19 ~ 2^19]"), (unsigned int)value);
7213 return;
7214 }
7215 content = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7216 content &= 0xfc00fc01;
7217 content = (content & 0xfc00fc01) | (value & 0x3fe) | ((value << 6) & 0x3ff0000);
7218 s3_md_number_to_chars (buf, content, s3_INSN_SIZE);
7219 }
7220 break;
7221 case BFD_RELOC_SCORE16_JMP:
7222 content = s3_md_chars_to_number (buf, s3_INSN16_SIZE);
7223 content &= 0xf001;
7224 value = fixP->fx_offset & 0xfff;
7225 content = (content & 0xfc01) | (value & 0xffe);
7226 s3_md_number_to_chars (buf, content, s3_INSN16_SIZE);
7227 break;
7228 case BFD_RELOC_SCORE16_BRANCH:
7229 content = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7230 /* Don't check c-bit. */
7231 if (fixP->fx_frag->fr_opcode != 0)
7232 {
7233 if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) ||
7234 (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy)))
7235 value = fixP->fx_offset;
7236 else
7237 fixP->fx_done = 1;
7238 if ((value & 0xfff80000) != 0 && (value & 0xfff80000) != 0xfff80000)
7239 {
7240 as_bad_where (fixP->fx_file, fixP->fx_line,
7241 _(" branch relocation truncate (0x%x) [-2^19 ~ 2^19]"), (unsigned int)value);
7242 return;
7243 }
7244 content = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7245 content = (content & 0xfc00fc01) | (value & 0x3fe) | ((value << 6) & 0x3ff0000);
7246 s3_md_number_to_chars (buf, content, s3_INSN_SIZE);
7247 fixP->fx_r_type = BFD_RELOC_SCORE_BRANCH;
7248 fixP->fx_size = 4;
7249 break;
7250 }
7251 else
7252 {
7253 /* In differnt section. */
7254 if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) ||
7255 (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy)))
7256 value = fixP->fx_offset;
7257 else
7258 fixP->fx_done = 1;
7259
7260 if ((value & 0xfffffe00) != 0 && (value & 0xfffffe00) != 0xfffffe00)
7261 {
7262 as_bad_where (fixP->fx_file, fixP->fx_line,
7263 _(" branch relocation truncate (0x%x) [-2^9 ~ 2^9]"), (unsigned int)value);
7264 return;
7265 }
7266
7267 content = s3_md_chars_to_number (buf, s3_INSN16_SIZE);
7268 content = (content & 0xfe00) | ((value >> 1) & 0x1ff);
7269 s3_md_number_to_chars (buf, content, s3_INSN16_SIZE);
7270 break;
7271 }
7272
7273 break;
7274
7275 case BFD_RELOC_SCORE_BCMP:
7276 if (fixP->fx_frag->fr_opcode != 0)
7277 {
7278 char *buf_ptr = buf;
7279 buf_ptr += 2;
7280
7281 if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) || (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy)))
7282 value = fixP->fx_offset;
7283 else
7284 fixP->fx_done = 1;
7285
7286 /* NOTE!!!
7287 bcmp -> cmp! and branch, so value -= 2. */
7288 value -= 2;
7289
7290 if ((value & 0xfff80000) != 0 && (value & 0xfff80000) != 0xfff80000)
7291 {
7292 as_bad_where (fixP->fx_file, fixP->fx_line,
7293 _(" branch relocation truncate (0x%x) [-2^19 ~ 2^19]"), (unsigned int)value);
7294 return;
7295 }
7296
7297 content = s3_md_chars_to_number (buf_ptr, s3_INSN_SIZE);
7298 content &= 0xfc00fc01;
7299 content = (content & 0xfc00fc01) | (value & 0x3fe) | ((value << 6) & 0x3ff0000);
7300 s3_md_number_to_chars (buf_ptr, content, s3_INSN_SIZE);
7301 /* change relocation type to BFD_RELOC_SCORE_BRANCH */
7302 fixP->fx_r_type = BFD_RELOC_SCORE_BRANCH;
7303 fixP->fx_where+=2; /* first insn is cmp! , the second insn is beq/bne */
7304 break;
7305 }
7306 else
7307 {
7308 if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) || (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy)))
7309 value = fixP->fx_offset;
7310 else
7311 fixP->fx_done = 1;
7312
7313 content = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7314
7315 if ((value & 0xfffffe00) != 0 && (value & 0xfffffe00) != 0xfffffe00)
7316 {
7317 as_bad_where (fixP->fx_file, fixP->fx_line,
7318 _(" branch relocation truncate (0x%x) [-2^9 ~ 2^9]"), (unsigned int)value);
7319 return;
7320 }
7321
7322 value >>= 1;
7323 content &= ~0x03e00381;
7324 content = content
7325 | (value & 0x1)
7326 | (((value & 0xe) >> 1) << 7)
7327 | (((value & 0x1f0) >> 4) << 21);
7328
7329 s3_md_number_to_chars (buf, content, s3_INSN_SIZE);
7330 break;
7331 }
7332
7333 case BFD_RELOC_8:
7334 if (fixP->fx_done || fixP->fx_pcrel)
7335 s3_md_number_to_chars (buf, value, 1);
7336 #ifdef OBJ_ELF
7337 else
7338 {
7339 value = fixP->fx_offset;
7340 s3_md_number_to_chars (buf, value, 1);
7341 }
7342 #endif
7343 break;
7344
7345 case BFD_RELOC_16:
7346 if (fixP->fx_done || fixP->fx_pcrel)
7347 s3_md_number_to_chars (buf, value, 2);
7348 #ifdef OBJ_ELF
7349 else
7350 {
7351 value = fixP->fx_offset;
7352 s3_md_number_to_chars (buf, value, 2);
7353 }
7354 #endif
7355 break;
7356 case BFD_RELOC_RVA:
7357 case BFD_RELOC_32:
7358 if (fixP->fx_done || fixP->fx_pcrel)
7359 md_number_to_chars (buf, value, 4);
7360 #ifdef OBJ_ELF
7361 else
7362 {
7363 value = fixP->fx_offset;
7364 md_number_to_chars (buf, value, 4);
7365 }
7366 #endif
7367 break;
7368 case BFD_RELOC_VTABLE_INHERIT:
7369 fixP->fx_done = 0;
7370 if (fixP->fx_addsy && !S_IS_DEFINED (fixP->fx_addsy) && !S_IS_WEAK (fixP->fx_addsy))
7371 S_SET_WEAK (fixP->fx_addsy);
7372 break;
7373 case BFD_RELOC_VTABLE_ENTRY:
7374 fixP->fx_done = 0;
7375 break;
7376 case BFD_RELOC_SCORE_GPREL15:
7377 content = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7378 /* c-bit. */
7379 if ((fixP->fx_frag->fr_opcode != 0) && ((content & 0xfc1c8000) != 0x94180000))
7380 fixP->fx_r_type = BFD_RELOC_NONE;
7381 fixP->fx_done = 0;
7382 break;
7383 case BFD_RELOC_SCORE_GOT15:
7384 case BFD_RELOC_SCORE_DUMMY_HI16:
7385 case BFD_RELOC_SCORE_GOT_LO16:
7386 case BFD_RELOC_SCORE_CALL15:
7387 case BFD_RELOC_GPREL32:
7388 break;
7389 case BFD_RELOC_NONE:
7390 default:
7391 as_bad_where (fixP->fx_file, fixP->fx_line, _("bad relocation fixup type (%d)"), fixP->fx_r_type);
7392 }
7393 }
7394
7395 static arelent **
7396 s3_gen_reloc (asection * section ATTRIBUTE_UNUSED, fixS * fixp)
7397 {
7398 static arelent *retval[MAX_RELOC_EXPANSION + 1]; /* MAX_RELOC_EXPANSION equals 2. */
7399 arelent *reloc;
7400 bfd_reloc_code_real_type code;
7401 char *type;
7402 fragS *f;
7403 symbolS *s;
7404 expressionS e;
7405
7406 reloc = retval[0] = xmalloc (sizeof (arelent));
7407 retval[1] = NULL;
7408
7409 reloc->sym_ptr_ptr = xmalloc (sizeof (asymbol *));
7410 *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
7411 reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
7412 reloc->addend = fixp->fx_offset;
7413
7414 /* If this is a variant frag, we may need to adjust the existing
7415 reloc and generate a new one. */
7416 if (fixp->fx_frag->fr_opcode != NULL && (fixp->fx_r_type == BFD_RELOC_SCORE_GPREL15))
7417 {
7418 /* Update instruction imm bit. */
7419 offsetT newval;
7420 unsigned short off;
7421 char *buf;
7422
7423 buf = fixp->fx_frag->fr_literal + fixp->fx_frag->insn_addr;
7424 newval = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7425 off = fixp->fx_offset >> 16;
7426 newval |= (off & 0x3fff) << 1;
7427 newval |= ((off >> 14) & 0x3) << 16;
7428 s3_md_number_to_chars (buf, newval, s3_INSN_SIZE);
7429
7430 buf += s3_INSN_SIZE;
7431 newval = s3_md_chars_to_number (buf, s3_INSN_SIZE);
7432 off = fixp->fx_offset & 0xffff;
7433 newval |= ((off & 0x3fff) << 1);
7434 newval |= (((off >> 14) & 0x3) << 16);
7435 s3_md_number_to_chars (buf, newval, s3_INSN_SIZE);
7436
7437 retval[1] = xmalloc (sizeof (arelent));
7438 retval[2] = NULL;
7439 retval[1]->sym_ptr_ptr = xmalloc (sizeof (asymbol *));
7440 *retval[1]->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
7441 retval[1]->address = (reloc->address + s3_RELAX_RELOC2 (fixp->fx_frag->fr_subtype));
7442
7443 f = fixp->fx_frag;
7444 s = f->fr_symbol;
7445 e = s->sy_value;
7446
7447 retval[1]->addend = 0;
7448 retval[1]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_LO16);
7449 assert (retval[1]->howto != NULL);
7450
7451 fixp->fx_r_type = BFD_RELOC_HI16_S;
7452 }
7453
7454 code = fixp->fx_r_type;
7455 switch (fixp->fx_r_type)
7456 {
7457 case BFD_RELOC_32:
7458 if (fixp->fx_pcrel)
7459 {
7460 code = BFD_RELOC_32_PCREL;
7461 break;
7462 }
7463 case BFD_RELOC_HI16_S:
7464 case BFD_RELOC_LO16:
7465 case BFD_RELOC_SCORE_JMP:
7466 case BFD_RELOC_SCORE_BRANCH:
7467 case BFD_RELOC_SCORE16_JMP:
7468 case BFD_RELOC_SCORE16_BRANCH:
7469 case BFD_RELOC_SCORE_BCMP:
7470 case BFD_RELOC_VTABLE_ENTRY:
7471 case BFD_RELOC_VTABLE_INHERIT:
7472 case BFD_RELOC_SCORE_GPREL15:
7473 case BFD_RELOC_SCORE_GOT15:
7474 case BFD_RELOC_SCORE_DUMMY_HI16:
7475 case BFD_RELOC_SCORE_GOT_LO16:
7476 case BFD_RELOC_SCORE_CALL15:
7477 case BFD_RELOC_GPREL32:
7478 case BFD_RELOC_NONE:
7479 case BFD_RELOC_SCORE_IMM30:
7480 case BFD_RELOC_SCORE_IMM32:
7481 code = fixp->fx_r_type;
7482 break;
7483 default:
7484 type = _("<unknown>");
7485 as_bad_where (fixp->fx_file, fixp->fx_line,
7486 _("cannot represent %s relocation in this object file format"), type);
7487 return NULL;
7488 }
7489
7490 reloc->howto = bfd_reloc_type_lookup (stdoutput, code);
7491 if (reloc->howto == NULL)
7492 {
7493 as_bad_where (fixp->fx_file, fixp->fx_line,
7494 _("cannot represent %s relocation in this object file format1"),
7495 bfd_get_reloc_code_name (code));
7496 return NULL;
7497 }
7498 /* HACK: Since arm ELF uses Rel instead of Rela, encode the
7499 vtable entry to be used in the relocation's section offset. */
7500 if (fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
7501 reloc->address = fixp->fx_offset;
7502
7503 return retval;
7504 }
7505
7506 void
7507 md_assemble (char *str)
7508 {
7509 if (score3)
7510 s3_assemble (str);
7511 else
7512 s7_assemble (str);
7513 }
7514
7515 /* We handle all bad expressions here, so that we can report the faulty
7516 instruction in the error message. */
7517 void
7518 md_operand (expressionS * expr)
7519 {
7520 if (score3)
7521 s3_operand (expr);
7522 else
7523 s7_operand (expr);
7524 }
7525
7526 /* Turn an integer of n bytes (in val) into a stream of bytes appropriate
7527 for use in the a.out file, and stores them in the array pointed to by buf.
7528 This knows about the endian-ness of the target machine and does
7529 THE RIGHT THING, whatever it is. Possible values for n are 1 (byte)
7530 2 (short) and 4 (long) Floating numbers are put out as a series of
7531 LITTLENUMS (shorts, here at least). */
7532 void
7533 md_number_to_chars (char *buf, valueT val, int n)
7534 {
7535 if (score3)
7536 s3_number_to_chars (buf, val, n);
7537 else
7538 s7_number_to_chars (buf, val, n);
7539 }
7540
7541 /* Turn a string in input_line_pointer into a floating point constant
7542 of type TYPE, and store the appropriate bytes in *LITP. The number
7543 of LITTLENUMS emitted is stored in *SIZEP. An error message is
7544 returned, or NULL on OK.
7545
7546 Note that fp constants aren't represent in the normal way on the ARM.
7547 In big endian mode, things are as expected. However, in little endian
7548 mode fp constants are big-endian word-wise, and little-endian byte-wise
7549 within the words. For example, (double) 1.1 in big endian mode is
7550 the byte sequence 3f f1 99 99 99 99 99 9a, and in little endian mode is
7551 the byte sequence 99 99 f1 3f 9a 99 99 99. */
7552 char *
7553 md_atof (int type, char *litP, int *sizeP)
7554 {
7555 if (score3)
7556 return s3_atof (type, litP, sizeP);
7557 else
7558 return s7_atof (type, litP, sizeP);
7559 }
7560
7561 void
7562 score_frag_check (fragS * fragp ATTRIBUTE_UNUSED)
7563 {
7564 if (score3)
7565 s3_frag_check (fragp);
7566 else
7567 s7_frag_check (fragp);
7568 }
7569
7570 /* Implementation of TC_VALIDATE_FIX.
7571 Called before md_apply_fix() and after md_convert_frag(). */
7572 void
7573 score_validate_fix (fixS *fixP)
7574 {
7575 if (score3)
7576 s3_validate_fix (fixP);
7577 else
7578 s7_validate_fix (fixP);
7579 }
7580
7581 int
7582 score_force_relocation (struct fix *fixp)
7583 {
7584 if (score3)
7585 return s3_force_relocation (fixp);
7586 else
7587 return s7_force_relocation (fixp);
7588 }
7589
7590 /* Implementation of md_frag_check.
7591 Called after md_convert_frag(). */
7592 bfd_boolean
7593 score_fix_adjustable (fixS * fixP)
7594 {
7595 if (score3)
7596 return s3_fix_adjustable (fixP);
7597 else
7598 return s7_fix_adjustable (fixP);
7599 }
7600
7601 void
7602 score_elf_final_processing (void)
7603 {
7604 if (score3)
7605 s3_elf_final_processing ();
7606 else
7607 s7_elf_final_processing ();
7608 }
7609
7610 /* In this function, we determine whether s3_GP instruction should do relaxation,
7611 for the label being against was known now.
7612 Doing this here but not in md_relax_frag() can induce iteration times
7613 in stage of doing relax. */
7614 int
7615 md_estimate_size_before_relax (fragS * fragp, asection * sec ATTRIBUTE_UNUSED)
7616 {
7617 if (score3)
7618 return s3_estimate_size_before_relax (fragp, sec);
7619 else
7620 return s7_estimate_size_before_relax (fragp, sec);
7621 }
7622
7623 int
7624 score_relax_frag (asection * sec ATTRIBUTE_UNUSED, fragS * fragp, long stretch ATTRIBUTE_UNUSED)
7625 {
7626 if (score3)
7627 return s3_relax_frag (sec, fragp, stretch);
7628 else
7629 return s7_relax_frag (sec, fragp, stretch);
7630 }
7631
7632 void
7633 md_convert_frag (bfd * abfd ATTRIBUTE_UNUSED, segT sec ATTRIBUTE_UNUSED, fragS * fragp)
7634 {
7635 if (score3)
7636 return s3_convert_frag (abfd, sec, fragp);
7637 else
7638 return s7_convert_frag (abfd, sec, fragp);
7639 }
7640
7641 long
7642 md_pcrel_from (fixS * fixP)
7643 {
7644 if (score3)
7645 return s3_pcrel_from (fixP);
7646 else
7647 return s7_pcrel_from (fixP);
7648 }
7649
7650 /* Round up a section size to the appropriate boundary. */
7651 valueT
7652 md_section_align (segT segment ATTRIBUTE_UNUSED, valueT size)
7653 {
7654 if (score3)
7655 return s3_section_align (segment, size);
7656 else
7657 return s7_section_align (segment, size);
7658 }
7659
7660 void
7661 md_apply_fix (fixS *fixP, valueT *valP, segT seg)
7662 {
7663 if (score3)
7664 return s3_apply_fix (fixP, valP, seg);
7665 else
7666 return s7_apply_fix (fixP, valP, seg);
7667 }
7668
7669 /* Translate internal representation of relocation info to BFD target format. */
7670 arelent **
7671 tc_gen_reloc (asection * section ATTRIBUTE_UNUSED, fixS * fixp)
7672 {
7673 if (score3)
7674 return s3_gen_reloc (section, fixp);
7675 else
7676 return s7_gen_reloc (section, fixp);
7677 }
7678
7679 void
7680 md_begin (void)
7681 {
7682 s3_begin ();
7683 s7_begin ();
7684 }
7685
7686 static void
7687 score_set_mach (const char *arg)
7688 {
7689 if (strcmp (arg, MARCH_SCORE3) == 0)
7690 {
7691 score3 = 1;
7692 score7 = 0;
7693 s3_score3d = 1;
7694 }
7695 else if (strcmp (arg, MARCH_SCORE7) == 0)
7696 {
7697 score3 = 0;
7698 score7 = 1;
7699 s7_score7d = 1;
7700 s7_university_version = 0;
7701 s7_vector_size = s7_SCORE7_PIPELINE;
7702 }
7703 else if (strcmp (arg, MARCH_SCORE5) == 0)
7704 {
7705 score3 = 0;
7706 score7 = 1;
7707 s7_score7d = 1;
7708 s7_university_version = 0;
7709 s7_vector_size = s7_SCORE5_PIPELINE;
7710 }
7711 else if (strcmp (arg, MARCH_SCORE5U) == 0)
7712 {
7713 score3 = 0;
7714 score7 = 1;
7715 s7_score7d = 1;
7716 s7_university_version = 1;
7717 s7_vector_size = s7_SCORE5_PIPELINE;
7718 }
7719 else
7720 {
7721 as_bad (_("unknown architecture `%s'\n"), arg);
7722 }
7723 }
7724
7725 int
7726 md_parse_option (int c, char *arg)
7727 {
7728 switch (c)
7729 {
7730 #ifdef OPTION_EB
7731 case OPTION_EB:
7732 target_big_endian = 1;
7733 break;
7734 #endif
7735 #ifdef OPTION_EL
7736 case OPTION_EL:
7737 target_big_endian = 0;
7738 break;
7739 #endif
7740 case OPTION_FIXDD:
7741 s3_fix_data_dependency = 1;
7742 s7_fix_data_dependency = 1;
7743 break;
7744 case OPTION_NWARN:
7745 s3_warn_fix_data_dependency = 0;
7746 s7_warn_fix_data_dependency = 0;
7747 break;
7748 case OPTION_SCORE5:
7749 score3 = 0;
7750 score7 = 1;
7751 s7_university_version = 0;
7752 s7_vector_size = s7_SCORE5_PIPELINE;
7753 break;
7754 case OPTION_SCORE5U:
7755 score3 = 0;
7756 score7 = 1;
7757 s7_university_version = 1;
7758 s7_vector_size = s7_SCORE5_PIPELINE;
7759 break;
7760 case OPTION_SCORE7:
7761 score3 = 0;
7762 score7 = 1;
7763 s7_score7d = 1;
7764 s7_university_version = 0;
7765 s7_vector_size = s7_SCORE7_PIPELINE;
7766 break;
7767 case OPTION_SCORE3:
7768 score3 = 1;
7769 score7 = 0;
7770 s3_score3d = 1;
7771 break;
7772 case OPTION_R1:
7773 s3_nor1 = 0;
7774 s7_nor1 = 0;
7775 break;
7776 case 'G':
7777 s3_g_switch_value = atoi (arg);
7778 s7_g_switch_value = atoi (arg);
7779 break;
7780 case OPTION_O0:
7781 s3_g_opt = 0;
7782 s7_g_opt = 0;
7783 break;
7784 case OPTION_SCORE_VERSION:
7785 printf (_("Sunplus-v2-0-0-20060510\n"));
7786 break;
7787 case OPTION_PIC:
7788 s3_score_pic = s3_NO_PIC; /* Score3 doesn't support PIC now. */
7789 s7_score_pic = s7_PIC;
7790 s3_g_switch_value = 0; /* Must set -G num as 0 to generate s3_PIC code. */
7791 s7_g_switch_value = 0; /* Must set -G num as 0 to generate s7_PIC code. */
7792 break;
7793 case OPTION_MARCH:
7794 score_set_mach (arg);
7795 break;
7796 default:
7797 return 0;
7798 }
7799 return 1;
7800 }
7801
7802 void
7803 md_show_usage (FILE * fp)
7804 {
7805 fprintf (fp, _(" Score-specific assembler options:\n"));
7806 #ifdef OPTION_EB
7807 fprintf (fp, _("\
7808 -EB\t\tassemble code for a big-endian cpu\n"));
7809 #endif
7810
7811 #ifdef OPTION_EL
7812 fprintf (fp, _("\
7813 -EL\t\tassemble code for a little-endian cpu\n"));
7814 #endif
7815
7816 fprintf (fp, _("\
7817 -FIXDD\t\tassemble code for fix data dependency\n"));
7818 fprintf (fp, _("\
7819 -NWARN\t\tassemble code for no warning message for fix data dependency\n"));
7820 fprintf (fp, _("\
7821 -SCORE5\t\tassemble code for target is SCORE5\n"));
7822 fprintf (fp, _("\
7823 -SCORE5U\tassemble code for target is SCORE5U\n"));
7824 fprintf (fp, _("\
7825 -SCORE7\t\tassemble code for target is SCORE7, this is default setting\n"));
7826 fprintf (fp, _("\
7827 -SCORE3\t\tassemble code for target is SCORE3\n"));
7828 fprintf (fp, _("\
7829 -march=score7\tassemble code for target is SCORE7, this is default setting\n"));
7830 fprintf (fp, _("\
7831 -march=score3\tassemble code for target is SCORE3\n"));
7832 fprintf (fp, _("\
7833 -USE_R1\t\tassemble code for no warning message when using temp register r1\n"));
7834 fprintf (fp, _("\
7835 -KPIC\t\tassemble code for PIC\n"));
7836 fprintf (fp, _("\
7837 -O0\t\tassembler will not perform any optimizations\n"));
7838 fprintf (fp, _("\
7839 -G gpnum\tassemble code for setting gpsize and default is 8 byte\n"));
7840 fprintf (fp, _("\
7841 -V \t\tSunplus release version \n"));
7842 }
GDB Binutils - Deliverables
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