| 1 | /* tc-score.c -- Assembler for Score |
| 2 | Copyright 2006, 2007, 2008, 2009, 2011, 2012 Free Software Foundation, Inc. |
| 3 | Contributed by: |
| 4 | Brain.lin (brain.lin@sunplusct.com) |
| 5 | Mei Ligang (ligang@sunnorth.com.cn) |
| 6 | Pei-Lin Tsai (pltsai@sunplus.com) |
| 7 | |
| 8 | This file is part of GAS, the GNU Assembler. |
| 9 | |
| 10 | GAS is free software; you can redistribute it and/or modify |
| 11 | it under the terms of the GNU General Public License as published by |
| 12 | the Free Software Foundation; either version 3, or (at your option) |
| 13 | any later version. |
| 14 | |
| 15 | GAS is distributed in the hope that it will be useful, |
| 16 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | GNU General Public License for more details. |
| 19 | |
| 20 | You should have received a copy of the GNU General Public License |
| 21 | along with GAS; see the file COPYING. If not, write to the Free |
| 22 | Software Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA |
| 23 | 02110-1301, USA. */ |
| 24 | |
| 25 | #include "tc-score7.c" |
| 26 | |
| 27 | static void s3_s_score_bss (int ignore ATTRIBUTE_UNUSED); |
| 28 | static void s3_s_score_text (int ignore); |
| 29 | static void s3_score_s_section (int ignore); |
| 30 | static void s3_s_change_sec (int sec); |
| 31 | static void s3_s_score_mask (int reg_type ATTRIBUTE_UNUSED); |
| 32 | static void s3_s_score_ent (int aent); |
| 33 | static void s3_s_score_frame (int ignore ATTRIBUTE_UNUSED); |
| 34 | static void s3_s_score_end (int x ATTRIBUTE_UNUSED); |
| 35 | static void s3_s_score_set (int x ATTRIBUTE_UNUSED); |
| 36 | static void s3_s_score_cpload (int ignore ATTRIBUTE_UNUSED); |
| 37 | static void s3_s_score_cprestore (int ignore ATTRIBUTE_UNUSED); |
| 38 | static void s3_s_score_gpword (int ignore ATTRIBUTE_UNUSED); |
| 39 | static void s3_s_score_cpadd (int ignore ATTRIBUTE_UNUSED); |
| 40 | static void s3_s_score_lcomm (int bytes_p); |
| 41 | |
| 42 | static void s_score_bss (int ignore ATTRIBUTE_UNUSED); |
| 43 | static void s_score_text (int ignore); |
| 44 | static void s_section (int ignore); |
| 45 | static void s_change_sec (int sec); |
| 46 | static void s_score_mask (int reg_type ATTRIBUTE_UNUSED); |
| 47 | static void s_score_ent (int aent); |
| 48 | static void s_score_frame (int ignore ATTRIBUTE_UNUSED); |
| 49 | static void s_score_end (int x ATTRIBUTE_UNUSED); |
| 50 | static void s_score_set (int x ATTRIBUTE_UNUSED); |
| 51 | static void s_score_cpload (int ignore ATTRIBUTE_UNUSED); |
| 52 | static void s_score_cprestore (int ignore ATTRIBUTE_UNUSED); |
| 53 | static void s_score_gpword (int ignore ATTRIBUTE_UNUSED); |
| 54 | static void s_score_cpadd (int ignore ATTRIBUTE_UNUSED); |
| 55 | static void s_score_lcomm (int bytes_p); |
| 56 | |
| 57 | /* s3: hooks. */ |
| 58 | static void s3_md_number_to_chars (char *buf, valueT val, int n); |
| 59 | static valueT s3_md_chars_to_number (char *buf, int n); |
| 60 | static void s3_assemble (char *str); |
| 61 | static void s3_operand (expressionS *); |
| 62 | static void s3_begin (void); |
| 63 | static void s3_number_to_chars (char *buf, valueT val, int n); |
| 64 | static char *s3_atof (int type, char *litP, int *sizeP); |
| 65 | static void s3_frag_check (fragS * fragp ATTRIBUTE_UNUSED); |
| 66 | static void s3_validate_fix (fixS *fixP); |
| 67 | static int s3_force_relocation (struct fix *fixp); |
| 68 | static bfd_boolean s3_fix_adjustable (fixS * fixP); |
| 69 | static void s3_elf_final_processing (void); |
| 70 | static int s3_estimate_size_before_relax (fragS * fragp, asection * sec ATTRIBUTE_UNUSED); |
| 71 | static int s3_relax_frag (asection * sec ATTRIBUTE_UNUSED, fragS * fragp, long stretch ATTRIBUTE_UNUSED); |
| 72 | static void s3_convert_frag (bfd * abfd ATTRIBUTE_UNUSED, segT sec ATTRIBUTE_UNUSED, fragS * fragp); |
| 73 | static long s3_pcrel_from (fixS * fixP); |
| 74 | static valueT s3_section_align (segT segment ATTRIBUTE_UNUSED, valueT size); |
| 75 | static void s3_apply_fix (fixS *fixP, valueT *valP, segT seg); |
| 76 | static arelent **s3_gen_reloc (asection * section ATTRIBUTE_UNUSED, fixS * fixp); |
| 77 | |
| 78 | /* s3: utils. */ |
| 79 | static void s3_do_ldst_insn (char *); |
| 80 | static void s3_do_crdcrscrsimm5 (char *); |
| 81 | static void s3_do_ldst_unalign (char *); |
| 82 | static void s3_do_ldst_atomic (char *); |
| 83 | static void s3_do_ldst_cop (char *); |
| 84 | static void s3_do_macro_li_rdi32 (char *); |
| 85 | static void s3_do_macro_la_rdi32 (char *); |
| 86 | static void s3_do_macro_rdi32hi (char *); |
| 87 | static void s3_do_macro_rdi32lo (char *); |
| 88 | static void s3_do_macro_mul_rdrsrs (char *); |
| 89 | static void s3_do_macro_bcmp (char *); |
| 90 | static void s3_do_macro_bcmpz (char *); |
| 91 | static void s3_do_macro_ldst_label (char *); |
| 92 | static void s3_do_branch (char *); |
| 93 | static void s3_do_jump (char *); |
| 94 | static void s3_do_empty (char *); |
| 95 | static void s3_do16_int (char *); |
| 96 | static void s3_do_rdrsrs (char *); |
| 97 | static void s3_do_rdsi16 (char *); |
| 98 | static void s3_do_rdrssi14 (char *); |
| 99 | static void s3_do_sub_rdsi16 (char *); |
| 100 | static void s3_do_sub_rdi16 (char *); |
| 101 | static void s3_do_sub_rdrssi14 (char *); |
| 102 | static void s3_do_rdrsi5 (char *); |
| 103 | static void s3_do_rdrsi14 (char *); |
| 104 | static void s3_do_rdi16 (char *); |
| 105 | static void s3_do_ldis (char *); |
| 106 | static void s3_do_xrsi5 (char *); |
| 107 | static void s3_do_rdrs (char *); |
| 108 | static void s3_do_rdxrs (char *); |
| 109 | static void s3_do_rsrs (char *); |
| 110 | static void s3_do_rdcrs (char *); |
| 111 | static void s3_do_rdsrs (char *); |
| 112 | static void s3_do_rd (char *); |
| 113 | static void s3_do16_dsp (char *); |
| 114 | static void s3_do16_dsp2 (char *); |
| 115 | static void s3_do_dsp (char *); |
| 116 | static void s3_do_dsp2 (char *); |
| 117 | static void s3_do_dsp3 (char *); |
| 118 | static void s3_do_rs (char *); |
| 119 | static void s3_do_i15 (char *); |
| 120 | static void s3_do_xi5x (char *); |
| 121 | static void s3_do_ceinst (char *); |
| 122 | static void s3_do_cache (char *); |
| 123 | static void s3_do16_rdrs2 (char *); |
| 124 | static void s3_do16_br (char *); |
| 125 | static void s3_do16_brr (char *); |
| 126 | static void s3_do_ltb (char *); |
| 127 | static void s3_do16_mv_cmp (char *); |
| 128 | static void s3_do16_addi (char *); |
| 129 | static void s3_do16_cmpi (char *); |
| 130 | static void s3_do16_rdi5 (char *); |
| 131 | static void s3_do16_xi5 (char *); |
| 132 | static void s3_do16_ldst_insn (char *); |
| 133 | static void s3_do16_slli_srli (char *); |
| 134 | static void s3_do16_ldiu (char *); |
| 135 | static void s3_do16_push_pop (char *); |
| 136 | static void s3_do16_rpush (char *); |
| 137 | static void s3_do16_rpop (char *); |
| 138 | static void s3_do16_branch (char *); |
| 139 | static void s3_do_lw48 (char *); |
| 140 | static void s3_do_sw48 (char *); |
| 141 | static void s3_do_ldi48 (char *); |
| 142 | static void s3_do_sdbbp48 (char *); |
| 143 | static void s3_do_and48 (char *); |
| 144 | static void s3_do_or48 (char *); |
| 145 | static void s3_do_mbitclr (char *); |
| 146 | static void s3_do_mbitset (char *); |
| 147 | static void s3_do_rdi16_pic (char *); |
| 148 | static void s3_do_addi_s_pic (char *); |
| 149 | static void s3_do_addi_u_pic (char *); |
| 150 | static void s3_do_lw_pic (char *); |
| 151 | |
| 152 | #define MARCH_SCORE3 "score3" |
| 153 | #define MARCH_SCORE3D "score3d" |
| 154 | #define MARCH_SCORE7 "score7" |
| 155 | #define MARCH_SCORE7D "score7d" |
| 156 | #define MARCH_SCORE5 "score5" |
| 157 | #define MARCH_SCORE5U "score5u" |
| 158 | |
| 159 | #define SCORE_BI_ENDIAN |
| 160 | |
| 161 | #ifdef SCORE_BI_ENDIAN |
| 162 | #define OPTION_EB (OPTION_MD_BASE + 0) |
| 163 | #define OPTION_EL (OPTION_MD_BASE + 1) |
| 164 | #else |
| 165 | #if TARGET_BYTES_BIG_ENDIAN |
| 166 | #define OPTION_EB (OPTION_MD_BASE + 0) |
| 167 | #else |
| 168 | #define OPTION_EL (OPTION_MD_BASE + 1) |
| 169 | #endif |
| 170 | #endif |
| 171 | #define OPTION_FIXDD (OPTION_MD_BASE + 2) |
| 172 | #define OPTION_NWARN (OPTION_MD_BASE + 3) |
| 173 | #define OPTION_SCORE5 (OPTION_MD_BASE + 4) |
| 174 | #define OPTION_SCORE5U (OPTION_MD_BASE + 5) |
| 175 | #define OPTION_SCORE7 (OPTION_MD_BASE + 6) |
| 176 | #define OPTION_R1 (OPTION_MD_BASE + 7) |
| 177 | #define OPTION_O0 (OPTION_MD_BASE + 8) |
| 178 | #define OPTION_SCORE_VERSION (OPTION_MD_BASE + 9) |
| 179 | #define OPTION_PIC (OPTION_MD_BASE + 10) |
| 180 | #define OPTION_MARCH (OPTION_MD_BASE + 11) |
| 181 | #define OPTION_SCORE3 (OPTION_MD_BASE + 12) |
| 182 | |
| 183 | /* This array holds the chars that always start a comment. If the |
| 184 | pre-processor is disabled, these aren't very useful. */ |
| 185 | const char comment_chars[] = "#"; |
| 186 | const char line_comment_chars[] = "#"; |
| 187 | const char line_separator_chars[] = ";"; |
| 188 | /* Chars that can be used to separate mant from exp in floating point numbers. */ |
| 189 | const char EXP_CHARS[] = "eE"; |
| 190 | const char FLT_CHARS[] = "rRsSfFdDxXeEpP"; |
| 191 | |
| 192 | #ifdef OBJ_ELF |
| 193 | /* Pre-defined "_GLOBAL_OFFSET_TABLE_" */ |
| 194 | symbolS *GOT_symbol; |
| 195 | #endif |
| 196 | |
| 197 | const pseudo_typeS md_pseudo_table[] = |
| 198 | { |
| 199 | {"bss", s_score_bss, 0}, |
| 200 | {"text", s_score_text, 0}, |
| 201 | {"word", cons, 4}, |
| 202 | {"long", cons, 4}, |
| 203 | {"extend", float_cons, 'x'}, |
| 204 | {"ldouble", float_cons, 'x'}, |
| 205 | {"packed", float_cons, 'p'}, |
| 206 | {"end", s_score_end, 0}, |
| 207 | {"ent", s_score_ent, 0}, |
| 208 | {"frame", s_score_frame, 0}, |
| 209 | {"rdata", s_change_sec, 'r'}, |
| 210 | {"sdata", s_change_sec, 's'}, |
| 211 | {"set", s_score_set, 0}, |
| 212 | {"mask", s_score_mask, 'R'}, |
| 213 | {"dword", cons, 8}, |
| 214 | {"lcomm", s_score_lcomm, 1}, |
| 215 | {"section", s_section, 0}, |
| 216 | {"cpload", s_score_cpload, 0}, |
| 217 | {"cprestore", s_score_cprestore, 0}, |
| 218 | {"gpword", s_score_gpword, 0}, |
| 219 | {"cpadd", s_score_cpadd, 0}, |
| 220 | {0, 0, 0} |
| 221 | }; |
| 222 | |
| 223 | const char *md_shortopts = "nO::g::G:"; |
| 224 | struct option md_longopts[] = |
| 225 | { |
| 226 | #ifdef OPTION_EB |
| 227 | {"EB" , no_argument, NULL, OPTION_EB}, |
| 228 | #endif |
| 229 | #ifdef OPTION_EL |
| 230 | {"EL" , no_argument, NULL, OPTION_EL}, |
| 231 | #endif |
| 232 | {"FIXDD" , no_argument, NULL, OPTION_FIXDD}, |
| 233 | {"NWARN" , no_argument, NULL, OPTION_NWARN}, |
| 234 | {"SCORE5" , no_argument, NULL, OPTION_SCORE5}, |
| 235 | {"SCORE5U", no_argument, NULL, OPTION_SCORE5U}, |
| 236 | {"SCORE7" , no_argument, NULL, OPTION_SCORE7}, |
| 237 | {"USE_R1" , no_argument, NULL, OPTION_R1}, |
| 238 | {"O0" , no_argument, NULL, OPTION_O0}, |
| 239 | {"V" , no_argument, NULL, OPTION_SCORE_VERSION}, |
| 240 | {"KPIC" , no_argument, NULL, OPTION_PIC}, |
| 241 | {"march=" , required_argument, NULL, OPTION_MARCH}, |
| 242 | {"SCORE3" , no_argument, NULL, OPTION_SCORE3}, |
| 243 | {NULL , no_argument, NULL, 0} |
| 244 | }; |
| 245 | |
| 246 | size_t md_longopts_size = sizeof (md_longopts); |
| 247 | |
| 248 | #define s3_GP 28 |
| 249 | #define s3_PIC_CALL_REG 29 |
| 250 | #define s3_MAX_LITERAL_POOL_SIZE 1024 |
| 251 | #define s3_FAIL 0x80000000 |
| 252 | #define s3_SUCCESS 0 |
| 253 | #define s3_INSN48_SIZE 6 |
| 254 | #define s3_INSN_SIZE 4 |
| 255 | #define s3_INSN16_SIZE 2 |
| 256 | #define s3_RELAX_INST_NUM 3 |
| 257 | |
| 258 | /* For score5u : div/mul will pop warning message, mmu/alw/asw will pop error message. */ |
| 259 | #define s3_BAD_ARGS _("bad arguments to instruction") |
| 260 | #define s3_ERR_FOR_SCORE5U_MUL_DIV _("div / mul are reserved instructions") |
| 261 | #define s3_ERR_FOR_SCORE5U_MMU _("This architecture doesn't support mmu") |
| 262 | #define s3_ERR_FOR_SCORE5U_ATOMIC _("This architecture doesn't support atomic instruction") |
| 263 | #define s3_BAD_SKIP_COMMA s3_BAD_ARGS |
| 264 | #define s3_BAD_GARBAGE _("garbage following instruction"); |
| 265 | |
| 266 | #define s3_skip_whitespace(str) while (*(str) == ' ') ++(str) |
| 267 | |
| 268 | /* The name of the readonly data section. */ |
| 269 | #define s3_RDATA_SECTION_NAME (OUTPUT_FLAVOR == bfd_target_aout_flavour \ |
| 270 | ? ".data" \ |
| 271 | : OUTPUT_FLAVOR == bfd_target_ecoff_flavour \ |
| 272 | ? ".rdata" \ |
| 273 | : OUTPUT_FLAVOR == bfd_target_coff_flavour \ |
| 274 | ? ".rdata" \ |
| 275 | : OUTPUT_FLAVOR == bfd_target_elf_flavour \ |
| 276 | ? ".rodata" \ |
| 277 | : (abort (), "")) |
| 278 | |
| 279 | #define s3_RELAX_ENCODE(old, new, type, reloc1, reloc2, opt) \ |
| 280 | ((relax_substateT) \ |
| 281 | (((old) << 23) \ |
| 282 | | ((new) << 16) \ |
| 283 | | ((type) << 9) \ |
| 284 | | ((reloc1) << 5) \ |
| 285 | | ((reloc2) << 1) \ |
| 286 | | ((opt) ? 1 : 0))) |
| 287 | |
| 288 | #define s3_RELAX_OLD(i) (((i) >> 23) & 0x7f) |
| 289 | #define s3_RELAX_NEW(i) (((i) >> 16) & 0x7f) |
| 290 | #define s3_RELAX_TYPE(i) (((i) >> 9) & 0x7f) |
| 291 | #define s3_RELAX_RELOC1(i) ((valueT) ((i) >> 5) & 0xf) |
| 292 | #define s3_RELAX_RELOC2(i) ((valueT) ((i) >> 1) & 0xf) |
| 293 | #define s3_RELAX_OPT(i) ((i) & 1) |
| 294 | |
| 295 | #define s3_SET_INSN_ERROR(s) (s3_inst.error = (s)) |
| 296 | #define s3_INSN_IS_PCE_P(s) (strstr (str, "||") != NULL) |
| 297 | #define s3_INSN_IS_48_P(s) (strstr (str, "48") != NULL) |
| 298 | #define s3_GET_INSN_CLASS(type) (s3_get_insn_class_from_type (type)) |
| 299 | #define s3_GET_INSN_SIZE(type) ((s3_GET_INSN_CLASS (type) == INSN_CLASS_16) \ |
| 300 | ? s3_INSN16_SIZE : (s3_GET_INSN_CLASS (type) == INSN_CLASS_48) \ |
| 301 | ? s3_INSN48_SIZE : s3_INSN_SIZE) |
| 302 | |
| 303 | #define s3_MAX_LITTLENUMS 6 |
| 304 | #define s3_INSN_NAME_LEN 16 |
| 305 | |
| 306 | /* Relax will need some padding for alignment. */ |
| 307 | #define s3_RELAX_PAD_BYTE 3 |
| 308 | |
| 309 | |
| 310 | #define s3_USE_GLOBAL_POINTER_OPT 1 |
| 311 | |
| 312 | /* Enumeration matching entries in table above. */ |
| 313 | enum s3_score_reg_type |
| 314 | { |
| 315 | s3_REG_TYPE_SCORE = 0, |
| 316 | #define s3_REG_TYPE_FIRST s3_REG_TYPE_SCORE |
| 317 | s3_REG_TYPE_SCORE_SR = 1, |
| 318 | s3_REG_TYPE_SCORE_CR = 2, |
| 319 | s3_REG_TYPE_MAX = 3 |
| 320 | }; |
| 321 | |
| 322 | enum s3_score_pic_level |
| 323 | { |
| 324 | s3_NO_PIC, |
| 325 | s3_PIC |
| 326 | }; |
| 327 | static enum s3_score_pic_level s3_score_pic = s3_NO_PIC; |
| 328 | |
| 329 | enum s3_insn_type_for_dependency |
| 330 | { |
| 331 | s3_D_mtcr, |
| 332 | s3_D_all_insn |
| 333 | }; |
| 334 | |
| 335 | struct s3_insn_to_dependency |
| 336 | { |
| 337 | char *insn_name; |
| 338 | enum s3_insn_type_for_dependency type; |
| 339 | }; |
| 340 | |
| 341 | struct s3_data_dependency |
| 342 | { |
| 343 | enum s3_insn_type_for_dependency pre_insn_type; |
| 344 | char pre_reg[6]; |
| 345 | enum s3_insn_type_for_dependency cur_insn_type; |
| 346 | char cur_reg[6]; |
| 347 | int bubblenum_7; |
| 348 | int bubblenum_3; |
| 349 | int warn_or_error; /* warning - 0; error - 1 */ |
| 350 | }; |
| 351 | |
| 352 | static const struct s3_insn_to_dependency s3_insn_to_dependency_table[] = |
| 353 | { |
| 354 | /* move spectial instruction. */ |
| 355 | {"mtcr", s3_D_mtcr}, |
| 356 | }; |
| 357 | |
| 358 | static const struct s3_data_dependency s3_data_dependency_table[] = |
| 359 | { |
| 360 | /* Status regiser. */ |
| 361 | {s3_D_mtcr, "cr0", s3_D_all_insn, "", 5, 1, 0}, |
| 362 | }; |
| 363 | |
| 364 | /* Used to contain constructed error messages. */ |
| 365 | static char s3_err_msg[255]; |
| 366 | |
| 367 | static int s3_fix_data_dependency = 0; |
| 368 | static int s3_warn_fix_data_dependency = 1; |
| 369 | |
| 370 | static int s3_in_my_get_expression = 0; |
| 371 | |
| 372 | /* Default, pop warning message when using r1. */ |
| 373 | static int s3_nor1 = 1; |
| 374 | |
| 375 | /* Default will do instruction relax, -O0 will set s3_g_opt = 0. */ |
| 376 | static unsigned int s3_g_opt = 1; |
| 377 | |
| 378 | /* The size of the small data section. */ |
| 379 | static unsigned int s3_g_switch_value = 8; |
| 380 | |
| 381 | static segT s3_pdr_seg; |
| 382 | |
| 383 | struct s3_score_it |
| 384 | { |
| 385 | char name[s3_INSN_NAME_LEN]; |
| 386 | bfd_vma instruction; |
| 387 | bfd_vma relax_inst; |
| 388 | int size; |
| 389 | int relax_size; |
| 390 | enum score_insn_type type; |
| 391 | char str[s3_MAX_LITERAL_POOL_SIZE]; |
| 392 | const char *error; |
| 393 | int bwarn; |
| 394 | char reg[s3_INSN_NAME_LEN]; |
| 395 | struct |
| 396 | { |
| 397 | bfd_reloc_code_real_type type; |
| 398 | expressionS exp; |
| 399 | int pc_rel; |
| 400 | }reloc; |
| 401 | }; |
| 402 | static struct s3_score_it s3_inst; |
| 403 | |
| 404 | typedef struct s3_proc |
| 405 | { |
| 406 | symbolS *isym; |
| 407 | unsigned long reg_mask; |
| 408 | unsigned long reg_offset; |
| 409 | unsigned long fpreg_mask; |
| 410 | unsigned long leaf; |
| 411 | unsigned long frame_offset; |
| 412 | unsigned long frame_reg; |
| 413 | unsigned long pc_reg; |
| 414 | } s3_procS; |
| 415 | static s3_procS s3_cur_proc; |
| 416 | static s3_procS *s3_cur_proc_ptr; |
| 417 | static int s3_numprocs; |
| 418 | |
| 419 | |
| 420 | /* Structure for a hash table entry for a register. */ |
| 421 | struct s3_reg_entry |
| 422 | { |
| 423 | const char *name; |
| 424 | int number; |
| 425 | }; |
| 426 | |
| 427 | static const struct s3_reg_entry s3_score_rn_table[] = |
| 428 | { |
| 429 | {"r0", 0}, {"r1", 1}, {"r2", 2}, {"r3", 3}, |
| 430 | {"r4", 4}, {"r5", 5}, {"r6", 6}, {"r7", 7}, |
| 431 | {"r8", 8}, {"r9", 9}, {"r10", 10}, {"r11", 11}, |
| 432 | {"r12", 12}, {"r13", 13}, {"r14", 14}, {"r15", 15}, |
| 433 | {"r16", 16}, {"r17", 17}, {"r18", 18}, {"r19", 19}, |
| 434 | {"r20", 20}, {"r21", 21}, {"r22", 22}, {"r23", 23}, |
| 435 | {"r24", 24}, {"r25", 25}, {"r26", 26}, {"r27", 27}, |
| 436 | {"r28", 28}, {"r29", 29}, {"r30", 30}, {"r31", 31}, |
| 437 | {NULL, 0} |
| 438 | }; |
| 439 | |
| 440 | static const struct s3_reg_entry s3_score_srn_table[] = |
| 441 | { |
| 442 | {"sr0", 0}, {"sr1", 1}, {"sr2", 2}, |
| 443 | {NULL, 0} |
| 444 | }; |
| 445 | |
| 446 | static const struct s3_reg_entry s3_score_crn_table[] = |
| 447 | { |
| 448 | {"cr0", 0}, {"cr1", 1}, {"cr2", 2}, {"cr3", 3}, |
| 449 | {"cr4", 4}, {"cr5", 5}, {"cr6", 6}, {"cr7", 7}, |
| 450 | {"cr8", 8}, {"cr9", 9}, {"cr10", 10}, {"cr11", 11}, |
| 451 | {"cr12", 12}, {"cr13", 13}, {"cr14", 14}, {"cr15", 15}, |
| 452 | {"cr16", 16}, {"cr17", 17}, {"cr18", 18}, {"cr19", 19}, |
| 453 | {"cr20", 20}, {"cr21", 21}, {"cr22", 22}, {"cr23", 23}, |
| 454 | {"cr24", 24}, {"cr25", 25}, {"cr26", 26}, {"cr27", 27}, |
| 455 | {"cr28", 28}, {"cr29", 29}, {"cr30", 30}, {"cr31", 31}, |
| 456 | {NULL, 0} |
| 457 | }; |
| 458 | |
| 459 | struct s3_reg_map |
| 460 | { |
| 461 | const struct s3_reg_entry *names; |
| 462 | int max_regno; |
| 463 | struct hash_control *htab; |
| 464 | const char *expected; |
| 465 | }; |
| 466 | |
| 467 | static struct s3_reg_map s3_all_reg_maps[] = |
| 468 | { |
| 469 | {s3_score_rn_table, 31, NULL, N_("S+core register expected")}, |
| 470 | {s3_score_srn_table, 2, NULL, N_("S+core special-register expected")}, |
| 471 | {s3_score_crn_table, 31, NULL, N_("S+core co-processor register expected")}, |
| 472 | }; |
| 473 | |
| 474 | static struct hash_control *s3_score_ops_hsh = NULL; |
| 475 | static struct hash_control *s3_dependency_insn_hsh = NULL; |
| 476 | |
| 477 | |
| 478 | struct s3_datafield_range |
| 479 | { |
| 480 | int data_type; |
| 481 | int bits; |
| 482 | int range[2]; |
| 483 | }; |
| 484 | |
| 485 | static struct s3_datafield_range s3_score_df_range[] = |
| 486 | { |
| 487 | {_IMM4, 4, {0, (1 << 4) - 1}}, /* ( 0 ~ 15 ) */ |
| 488 | {_IMM5, 5, {0, (1 << 5) - 1}}, /* ( 0 ~ 31 ) */ |
| 489 | {_IMM8, 8, {0, (1 << 8) - 1}}, /* ( 0 ~ 255 ) */ |
| 490 | {_IMM14, 14, {0, (1 << 14) - 1}}, /* ( 0 ~ 16383) */ |
| 491 | {_IMM15, 15, {0, (1 << 15) - 1}}, /* ( 0 ~ 32767) */ |
| 492 | {_IMM16, 16, {0, (1 << 16) - 1}}, /* ( 0 ~ 65535) */ |
| 493 | {_SIMM10, 10, {-(1 << 9), (1 << 9) - 1}}, /* ( -512 ~ 511 ) */ |
| 494 | {_SIMM12, 12, {-(1 << 11), (1 << 11) - 1}}, /* ( -2048 ~ 2047 ) */ |
| 495 | {_SIMM14, 14, {-(1 << 13), (1 << 13) - 1}}, /* ( -8192 ~ 8191 ) */ |
| 496 | {_SIMM15, 15, {-(1 << 14), (1 << 14) - 1}}, /* (-16384 ~ 16383) */ |
| 497 | {_SIMM16, 16, {-(1 << 15), (1 << 15) - 1}}, /* (-32768 ~ 32767) */ |
| 498 | {_SIMM14_NEG, 14, {-(1 << 13), (1 << 13) - 1}}, /* ( -8191 ~ 8192 ) */ |
| 499 | {_IMM16_NEG, 16, {0, (1 << 16) - 1}}, /* (-65535 ~ 0 ) */ |
| 500 | {_SIMM16_NEG, 16, {-(1 << 15), (1 << 15) - 1}}, /* (-32768 ~ 32767) */ |
| 501 | {_IMM20, 20, {0, (1 << 20) - 1}}, |
| 502 | {_IMM25, 25, {0, (1 << 25) - 1}}, |
| 503 | {_DISP8div2, 8, {-(1 << 8), (1 << 8) - 1}}, /* ( -256 ~ 255 ) */ |
| 504 | {_DISP11div2, 11, {0, 0}}, |
| 505 | {_DISP19div2, 19, {-(1 << 19), (1 << 19) - 1}}, /* (-524288 ~ 524287) */ |
| 506 | {_DISP24div2, 24, {0, 0}}, |
| 507 | {_VALUE, 32, {0, ((unsigned int)1 << 31) - 1}}, |
| 508 | {_VALUE_HI16, 16, {0, (1 << 16) - 1}}, |
| 509 | {_VALUE_LO16, 16, {0, (1 << 16) - 1}}, |
| 510 | {_VALUE_LDST_LO16, 16, {0, (1 << 16) - 1}}, |
| 511 | {_SIMM16_LA, 16, {-(1 << 15), (1 << 15) - 1}}, /* (-32768 ~ 32767) */ |
| 512 | {_IMM5_RSHIFT_1, 5, {0, (1 << 6) - 1}}, /* ( 0 ~ 63 ) */ |
| 513 | {_IMM5_RSHIFT_2, 5, {0, (1 << 7) - 1}}, /* ( 0 ~ 127 ) */ |
| 514 | {_SIMM16_LA_POS, 16, {0, (1 << 15) - 1}}, /* ( 0 ~ 32767) */ |
| 515 | {_IMM5_RANGE_8_31, 5, {8, 31}}, /* But for cop0 the valid data : (8 ~ 31). */ |
| 516 | {_IMM10_RSHIFT_2, 10, {-(1 << 11), (1 << 11) - 1}}, /* For ldc#, stc#. */ |
| 517 | {_SIMM10, 10, {0, (1 << 10) - 1}}, /* ( -1024 ~ 1023 ) */ |
| 518 | {_SIMM12, 12, {0, (1 << 12) - 1}}, /* ( -2048 ~ 2047 ) */ |
| 519 | {_SIMM14, 14, {0, (1 << 14) - 1}}, /* ( -8192 ~ 8191 ) */ |
| 520 | {_SIMM15, 15, {0, (1 << 15) - 1}}, /* (-16384 ~ 16383) */ |
| 521 | {_SIMM16, 16, {0, (1 << 16) - 1}}, /* (-65536 ~ 65536) */ |
| 522 | {_SIMM14_NEG, 14, {0, (1 << 16) - 1}}, /* ( -8191 ~ 8192 ) */ |
| 523 | {_IMM16_NEG, 16, {0, (1 << 16) - 1}}, /* ( 65535 ~ 0 ) */ |
| 524 | {_SIMM16_NEG, 16, {0, (1 << 16) - 1}}, /* ( 65535 ~ 0 ) */ |
| 525 | {_IMM20, 20, {0, (1 << 20) - 1}}, /* (-32768 ~ 32767) */ |
| 526 | {_IMM25, 25, {0, (1 << 25) - 1}}, /* (-32768 ~ 32767) */ |
| 527 | {_GP_IMM15, 15, {0, (1 << 15) - 1}}, /* ( 0 ~ 65535) */ |
| 528 | {_GP_IMM14, 14, {0, (1 << 14) - 1}}, /* ( 0 ~ 65535) */ |
| 529 | {_SIMM16_pic, 16, {-(1 << 15), (1 << 15) - 1}}, /* (-32768 ~ 32767) */ |
| 530 | {_IMM16_LO16_pic, 16, {0, (1 << 16) - 1}}, /* ( 65535 ~ 0 ) */ |
| 531 | {_IMM16_pic, 16, {0, (1 << 16) - 1}}, /* ( 0 ~ 65535) */ |
| 532 | {_SIMM5, 5, {-(1 << 4), (1 << 4) - 1}}, /* ( -16 ~ 15 ) */ |
| 533 | {_SIMM6, 6, {-(1 << 5), (1 << 5) - 1}}, /* ( -32 ~ 31 ) */ |
| 534 | {_IMM32, 32, {0, 0xfffffff}}, |
| 535 | {_SIMM32, 32, {-0x80000000, 0x7fffffff}}, |
| 536 | {_IMM11, 11, {0, (1 << 11) - 1}}, |
| 537 | }; |
| 538 | |
| 539 | struct s3_asm_opcode |
| 540 | { |
| 541 | /* Instruction name. */ |
| 542 | const char *template_name; |
| 543 | |
| 544 | /* Instruction Opcode. */ |
| 545 | bfd_vma value; |
| 546 | |
| 547 | /* Instruction bit mask. */ |
| 548 | bfd_vma bitmask; |
| 549 | |
| 550 | /* Relax instruction opcode. 0x8000 imply no relaxation. */ |
| 551 | bfd_vma relax_value; |
| 552 | |
| 553 | /* Instruction type. */ |
| 554 | enum score_insn_type type; |
| 555 | |
| 556 | /* Function to call to parse args. */ |
| 557 | void (*parms) (char *); |
| 558 | }; |
| 559 | |
| 560 | static const struct s3_asm_opcode s3_score_ldst_insns[] = |
| 561 | { |
| 562 | {"lw", 0x20000000, 0x3e000000, 0x1000, Rd_rvalueRs_SI15, s3_do_ldst_insn}, |
| 563 | {"lw", 0x06000000, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, s3_do_ldst_insn}, |
| 564 | {"lw", 0x0e000000, 0x3e000007, 0x0040, Rd_rvalueRs_postSI12, s3_do_ldst_insn}, |
| 565 | {"lh", 0x22000000, 0x3e000000, 0x8000, Rd_rvalueRs_SI15, s3_do_ldst_insn}, |
| 566 | {"lh", 0x06000001, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, s3_do_ldst_insn}, |
| 567 | {"lh", 0x0e000001, 0x3e000007, 0x8000, Rd_rvalueRs_postSI12, s3_do_ldst_insn}, |
| 568 | {"lhu", 0x24000000, 0x3e000000, 0x8000, Rd_rvalueRs_SI15, s3_do_ldst_insn}, |
| 569 | {"lhu", 0x06000002, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, s3_do_ldst_insn}, |
| 570 | {"lhu", 0x0e000002, 0x3e000007, 0x8000, Rd_rvalueRs_postSI12, s3_do_ldst_insn}, |
| 571 | {"lb", 0x26000000, 0x3e000000, 0x8000, Rd_rvalueRs_SI15, s3_do_ldst_insn}, |
| 572 | {"lb", 0x06000003, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, s3_do_ldst_insn}, |
| 573 | {"lb", 0x0e000003, 0x3e000007, 0x8000, Rd_rvalueRs_postSI12, s3_do_ldst_insn}, |
| 574 | {"sw", 0x28000000, 0x3e000000, 0x2000, Rd_lvalueRs_SI15, s3_do_ldst_insn}, |
| 575 | {"sw", 0x06000004, 0x3e000007, 0x0060, Rd_lvalueRs_preSI12, s3_do_ldst_insn}, |
| 576 | {"sw", 0x0e000004, 0x3e000007, 0x8000, Rd_lvalueRs_postSI12, s3_do_ldst_insn}, |
| 577 | {"sh", 0x2a000000, 0x3e000000, 0x8000, Rd_lvalueRs_SI15, s3_do_ldst_insn}, |
| 578 | {"sh", 0x06000005, 0x3e000007, 0x8000, Rd_lvalueRs_preSI12, s3_do_ldst_insn}, |
| 579 | {"sh", 0x0e000005, 0x3e000007, 0x8000, Rd_lvalueRs_postSI12, s3_do_ldst_insn}, |
| 580 | {"lbu", 0x2c000000, 0x3e000000, 0x8000, Rd_rvalueRs_SI15, s3_do_ldst_insn}, |
| 581 | {"lbu", 0x06000006, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, s3_do_ldst_insn}, |
| 582 | {"lbu", 0x0e000006, 0x3e000007, 0x8000, Rd_rvalueRs_postSI12, s3_do_ldst_insn}, |
| 583 | {"sb", 0x2e000000, 0x3e000000, 0x8000, Rd_lvalueRs_SI15, s3_do_ldst_insn}, |
| 584 | {"sb", 0x06000007, 0x3e000007, 0x8000, Rd_lvalueRs_preSI12, s3_do_ldst_insn}, |
| 585 | {"sb", 0x0e000007, 0x3e000007, 0x8000, Rd_lvalueRs_postSI12, s3_do_ldst_insn}, |
| 586 | }; |
| 587 | |
| 588 | static const struct s3_asm_opcode s3_score_insns[] = |
| 589 | { |
| 590 | {"abs", 0x3800000a, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_dsp3}, |
| 591 | {"abs.s", 0x3800004b, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_dsp3}, |
| 592 | {"add", 0x00000010, 0x3e0003ff, 0x4800, Rd_Rs_Rs, s3_do_rdrsrs}, |
| 593 | {"add.c", 0x00000011, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs}, |
| 594 | {"add.s", 0x38000048, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_dsp2}, |
| 595 | {"addc", 0x00000012, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs}, |
| 596 | {"addc.c", 0x00000013, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs}, |
| 597 | {"addi", 0x02000000, 0x3e0e0001, 0x5c00, Rd_SI16, s3_do_rdsi16}, |
| 598 | {"addi.c", 0x02000001, 0x3e0e0001, 0x8000, Rd_SI16, s3_do_rdsi16}, |
| 599 | {"addis", 0x0a000000, 0x3e0e0001, 0x8000, Rd_SI16, s3_do_rdi16}, |
| 600 | {"addis.c", 0x0a000001, 0x3e0e0001, 0x8000, Rd_SI16, s3_do_rdi16}, |
| 601 | {"addi!", 0x5c00, 0x7c00, 0x8000, Rd_SI6, s3_do16_addi}, |
| 602 | {"addri", 0x10000000, 0x3e000001, 0x8000, Rd_Rs_SI14, s3_do_rdrssi14}, |
| 603 | {"addri.c", 0x10000001, 0x3e000001, 0x8000, Rd_Rs_SI14, s3_do_rdrssi14}, |
| 604 | |
| 605 | /* add.c <-> add!. */ |
| 606 | {"add!", 0x4800, 0x7f00, 0x8000, Rd_Rs, s3_do16_rdrs2}, |
| 607 | {"subi", 0x02000000, 0x3e0e0001, 0x8000, Rd_SI16, s3_do_sub_rdsi16}, |
| 608 | {"subi.c", 0x02000001, 0x3e0e0001, 0x8000, Rd_SI16, s3_do_sub_rdsi16}, |
| 609 | {"subis", 0x0a000000, 0x3e0e0001, 0x8000, Rd_SI16, s3_do_sub_rdi16}, |
| 610 | {"subis.c", 0x0a000001, 0x3e0e0001, 0x8000, Rd_SI16, s3_do_sub_rdi16}, |
| 611 | {"subri", 0x10000000, 0x3e000001, 0x8000, Rd_Rs_SI14, s3_do_sub_rdrssi14}, |
| 612 | {"subri.c", 0x10000001, 0x3e000001, 0x8000, Rd_Rs_SI14, s3_do_sub_rdrssi14}, |
| 613 | {"and", 0x00000020, 0x3e0003ff, 0x4b00, Rd_Rs_Rs, s3_do_rdrsrs}, |
| 614 | {"and.c", 0x00000021, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs}, |
| 615 | {"andi", 0x02080000, 0x3e0e0001, 0x8000, Rd_I16, s3_do_rdi16}, |
| 616 | {"andi.c", 0x02080001, 0x3e0e0001, 0x8000, Rd_I16, s3_do_rdi16}, |
| 617 | {"andis", 0x0a080000, 0x3e0e0001, 0x8000, Rd_I16, s3_do_rdi16}, |
| 618 | {"andis.c", 0x0a080001, 0x3e0e0001, 0x8000, Rd_I16, s3_do_rdi16}, |
| 619 | {"andri", 0x18000000, 0x3e000001, 0x8000, Rd_Rs_I14, s3_do_rdrsi14}, |
| 620 | {"andri.c", 0x18000001, 0x3e000001, 0x8000, Rd_Rs_I14, s3_do_rdrsi14}, |
| 621 | |
| 622 | /* and.c <-> and!. */ |
| 623 | {"and!", 0x4b00, 0x7f00, 0x8000, Rd_Rs, s3_do16_rdrs2}, |
| 624 | {"bcs", 0x08000000, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch}, |
| 625 | {"bcc", 0x08000400, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch}, |
| 626 | {"bcnz", 0x08003800, 0x3e007c01, 0x3200, PC_DISP19div2, s3_do_branch}, |
| 627 | {"bcsl", 0x08000001, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch}, |
| 628 | {"bccl", 0x08000401, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch}, |
| 629 | {"bcnzl", 0x08003801, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch}, |
| 630 | {"bcnz!", 0x3200, 0x7f00, 0x08003800, PC_DISP8div2, s3_do16_branch}, |
| 631 | {"beq", 0x08001000, 0x3e007c01, 0x3800, PC_DISP19div2, s3_do_branch}, |
| 632 | {"beql", 0x08001001, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch}, |
| 633 | {"beq!", 0x3800, 0x7e00, 0x08001000, PC_DISP8div2, s3_do16_branch}, |
| 634 | {"bgtu", 0x08000800, 0x3e007c01, 0x3400, PC_DISP19div2, s3_do_branch}, |
| 635 | {"bgt", 0x08001800, 0x3e007c01, 0x3c00, PC_DISP19div2, s3_do_branch}, |
| 636 | {"bge", 0x08002000, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch}, |
| 637 | {"bgtul", 0x08000801, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch}, |
| 638 | {"bgtl", 0x08001801, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch}, |
| 639 | {"bgel", 0x08002001, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch}, |
| 640 | {"bgtu!", 0x3400, 0x7e00, 0x08000800, PC_DISP8div2, s3_do16_branch}, |
| 641 | {"bgt!", 0x3c00, 0x7e00, 0x08001800, PC_DISP8div2, s3_do16_branch}, |
| 642 | {"bitclr", 0x00000028, 0x3e0003ff, 0x5000, Rd_Rs_I5, s3_do_rdrsi5}, |
| 643 | {"bitclr.c", 0x00000029, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5}, |
| 644 | |
| 645 | {"mbitclr", 0x00000064, 0x3e00007e, 0x8000, Ra_I9_I5, s3_do_mbitclr}, |
| 646 | {"mbitset", 0x0000006c, 0x3e00007e, 0x8000, Ra_I9_I5, s3_do_mbitset}, |
| 647 | |
| 648 | {"bitrev", 0x3800000c, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_dsp2}, |
| 649 | {"bitset", 0x0000002a, 0x3e0003ff, 0x5200, Rd_Rs_I5, s3_do_rdrsi5}, |
| 650 | {"bitset.c", 0x0000002b, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5}, |
| 651 | {"bittst.c", 0x0000002d, 0x3e0003ff, 0x5400, x_Rs_I5, s3_do_xrsi5}, |
| 652 | {"bittgl", 0x0000002e, 0x3e0003ff, 0x5600, Rd_Rs_I5, s3_do_rdrsi5}, |
| 653 | {"bittgl.c", 0x0000002f, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5}, |
| 654 | {"bitclr!", 0x5000, 0x7e00, 0x8000, Rd_I5, s3_do16_rdi5}, |
| 655 | {"bitset!", 0x5200, 0x7e00, 0x8000, Rd_I5, s3_do16_rdi5}, |
| 656 | {"bittst!", 0x5400, 0x7e00, 0x8000, Rd_I5, s3_do16_rdi5}, |
| 657 | {"bittgl!", 0x5600, 0x7e00, 0x8000, Rd_I5, s3_do16_rdi5}, |
| 658 | {"bleu", 0x08000c00, 0x3e007c01, 0x3600, PC_DISP19div2, s3_do_branch}, |
| 659 | {"ble", 0x08001c00, 0x3e007c01, 0x3e00, PC_DISP19div2, s3_do_branch}, |
| 660 | {"blt", 0x08002400, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch}, |
| 661 | {"bleul", 0x08000c01, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch}, |
| 662 | {"blel", 0x08001c01, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch}, |
| 663 | {"bltl", 0x08002401, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch}, |
| 664 | {"bl", 0x08003c01, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch}, |
| 665 | {"bleu!", 0x3600, 0x7e00, 0x08000c00, PC_DISP8div2, s3_do16_branch}, |
| 666 | {"ble!", 0x3e00, 0x7e00, 0x08001c00, PC_DISP8div2, s3_do16_branch}, |
| 667 | {"bmi", 0x08002800, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch}, |
| 668 | {"bmil", 0x08002801, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch}, |
| 669 | {"bne", 0x08001400, 0x3e007c01, 0x3a00, PC_DISP19div2, s3_do_branch}, |
| 670 | {"bnel", 0x08001401, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch}, |
| 671 | {"bne!", 0x3a00, 0x7e00, 0x08001400, PC_DISP8div2, s3_do16_branch}, |
| 672 | {"bpl", 0x08002c00, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch}, |
| 673 | {"bpll", 0x08002c01, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch}, |
| 674 | {"brcs", 0x00000008, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 675 | {"brcc", 0x00000408, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 676 | {"brgtu", 0x00000808, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 677 | {"brleu", 0x00000c08, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 678 | {"breq", 0x00001008, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 679 | {"brne", 0x00001408, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 680 | {"brgt", 0x00001808, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 681 | {"brle", 0x00001c08, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 682 | {"brge", 0x00002008, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 683 | {"brlt", 0x00002408, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 684 | {"brmi", 0x00002808, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 685 | {"brpl", 0x00002c08, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 686 | {"brvs", 0x00003008, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 687 | {"brvc", 0x00003408, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 688 | {"brcnz", 0x00003808, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 689 | {"br", 0x00003c08, 0x3e007fff, 0x0080, x_Rs_x, s3_do_rs}, |
| 690 | {"brcsl", 0x00000009, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 691 | {"brccl", 0x00000409, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 692 | {"brgtul", 0x00000809, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 693 | {"brleul", 0x00000c09, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 694 | {"breql", 0x00001009, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 695 | {"brnel", 0x00001409, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 696 | {"brgtl", 0x00001809, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 697 | {"brlel", 0x00001c09, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 698 | {"brgel", 0x00002009, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 699 | {"brltl", 0x00002409, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 700 | {"brmil", 0x00002809, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 701 | {"brpll", 0x00002c09, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 702 | {"brvsl", 0x00003009, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 703 | {"brvcl", 0x00003409, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 704 | {"brcnzl", 0x00003809, 0x3e007fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 705 | {"brl", 0x00003c09, 0x3e007fff, 0x00a0, x_Rs_x, s3_do_rs}, |
| 706 | {"br!", 0x0080, 0x7fe0, 0x8000, x_Rs, s3_do16_br}, |
| 707 | {"brl!", 0x00a0, 0x7fe0, 0x8000, x_Rs, s3_do16_br}, |
| 708 | {"brr!", 0x00c0, 0x7fe0, 0x8000, x_Rs, s3_do16_brr}, |
| 709 | {"bvs", 0x08003000, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch}, |
| 710 | {"bvc", 0x08003400, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch}, |
| 711 | {"bvsl", 0x08003001, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch}, |
| 712 | {"bvcl", 0x08003401, 0x3e007c01, 0x8000, PC_DISP19div2, s3_do_branch}, |
| 713 | {"b!", 0x3000, 0x7e00, 0x08003c00, PC_DISP8div2, s3_do16_branch}, |
| 714 | {"b", 0x08003c00, 0x3e007c01, 0x3000, PC_DISP19div2, s3_do_branch}, |
| 715 | {"cache", 0x30000000, 0x3ff00000, 0x8000, OP5_rvalueRs_SI15, s3_do_cache}, |
| 716 | {"ceinst", 0x38000000, 0x3e000000, 0x8000, I5_Rs_Rs_I5_OP5, s3_do_ceinst}, |
| 717 | {"clz", 0x0000001c, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs}, |
| 718 | {"cmp.c", 0x00300019, 0x3ff003ff, 0x4400, x_Rs_Rs, s3_do_rsrs}, |
| 719 | {"cmpz.c", 0x0030001b, 0x3ff07fff, 0x8000, x_Rs_x, s3_do_rs}, |
| 720 | {"cmpi.c", 0x02040001, 0x3e0e0001, 0x6000, Rd_SI16, s3_do_rdsi16}, |
| 721 | |
| 722 | /* cmp.c <-> cmp!. */ |
| 723 | {"cmp!", 0x4400, 0x7c00, 0x8000, Rd_Rs, s3_do16_mv_cmp}, |
| 724 | {"cmpi!", 0x6000, 0x7c00, 0x8000, Rd_SI5, s3_do16_cmpi}, |
| 725 | {"cop1", 0x0c00000c, 0x3e00001f, 0x8000, Rd_Rs_Rs_imm, s3_do_crdcrscrsimm5}, |
| 726 | {"cop2", 0x0c000014, 0x3e00001f, 0x8000, Rd_Rs_Rs_imm, s3_do_crdcrscrsimm5}, |
| 727 | {"cop3", 0x0c00001c, 0x3e00001f, 0x8000, Rd_Rs_Rs_imm, s3_do_crdcrscrsimm5}, |
| 728 | {"drte", 0x0c0000a4, 0x3e0003ff, 0x8000, NO_OPD, s3_do_empty}, |
| 729 | {"disint!", 0x00e0, 0xffe1, 0x8000, NO16_OPD, s3_do16_int}, |
| 730 | {"enint!", 0x00e1, 0xffe1, 0x8000, NO16_OPD, s3_do16_int}, |
| 731 | {"extsb", 0x00000058, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs}, |
| 732 | {"extsb.c", 0x00000059, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs}, |
| 733 | {"extsh", 0x0000005a, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs}, |
| 734 | {"extsh.c", 0x0000005b, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs}, |
| 735 | {"extzb", 0x0000005c, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs}, |
| 736 | {"extzb.c", 0x0000005d, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs}, |
| 737 | {"extzh", 0x0000005e, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs}, |
| 738 | {"extzh.c", 0x0000005f, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs}, |
| 739 | {"jl", 0x04000001, 0x3e000001, 0x8000, PC_DISP24div2, s3_do_jump}, |
| 740 | {"j", 0x04000000, 0x3e000001, 0x8000, PC_DISP24div2, s3_do_jump}, |
| 741 | {"alw", 0x0000000c, 0x3e0003ff, 0x8000, Rd_rvalue32Rs, s3_do_ldst_atomic}, |
| 742 | {"lcb", 0x00000060, 0x3e0003ff, 0x8000, x_rvalueRs_post4, s3_do_ldst_unalign}, |
| 743 | {"lcw", 0x00000062, 0x3e0003ff, 0x8000, Rd_rvalueRs_post4, s3_do_ldst_unalign}, |
| 744 | {"lce", 0x00000066, 0x3e0003ff, 0x8000, Rd_rvalueRs_post4, s3_do_ldst_unalign}, |
| 745 | {"ldc1", 0x0c00000a, 0x3e00001f, 0x8000, Rd_rvalueRs_SI10, s3_do_ldst_cop}, |
| 746 | {"ldc2", 0x0c000012, 0x3e00001f, 0x8000, Rd_rvalueRs_SI10, s3_do_ldst_cop}, |
| 747 | {"ldc3", 0x0c00001a, 0x3e00001f, 0x8000, Rd_rvalueRs_SI10, s3_do_ldst_cop}, |
| 748 | |
| 749 | /* s3_inst.relax */ |
| 750 | {"ldi", 0x020c0000, 0x3e0e0000, 0x6400, Rd_SI16, s3_do_rdsi16}, |
| 751 | {"ldis", 0x0a0c0000, 0x3e0e0000, 0x8000, Rd_I16, s3_do_ldis}, |
| 752 | |
| 753 | /* ldi <-> ldiu!. */ |
| 754 | {"ldiu!", 0x6400, 0x7c00, 0x8000, Rd_I5, s3_do16_ldiu}, |
| 755 | |
| 756 | /*ltbb! , ltbh! ltbw! */ |
| 757 | {"ltbw", 0x00000032, 0x03ff, 0x8000, Rd_Rs_Rs, s3_do_ltb}, |
| 758 | {"ltbh", 0x00000132, 0x03ff, 0x8000, Rd_Rs_Rs, s3_do_ltb}, |
| 759 | {"ltbb", 0x00000332, 0x03ff, 0x8000, Rd_Rs_Rs, s3_do_ltb}, |
| 760 | {"lw!", 0x1000, 0x7000, 0x8000, Rd_rvalueRs, s3_do16_ldst_insn}, |
| 761 | {"mfcel", 0x00000448, 0x3e007fff, 0x8000, Rd_x_x, s3_do_rd}, |
| 762 | {"mfcel!", 0x7100, 0x7ff0, 0x00000448, x_Rs, s3_do16_dsp}, |
| 763 | {"mad", 0x38000000, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp}, |
| 764 | {"mad.f!", 0x7400, 0x7f00, 0x38000080, Rd_Rs, s3_do16_dsp2}, |
| 765 | {"madh", 0x38000203, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp}, |
| 766 | {"madh.fs", 0x380002c3, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp}, |
| 767 | {"madh.fs!", 0x7b00, 0x7f00, 0x380002c3, Rd_Rs, s3_do16_dsp2}, |
| 768 | {"madl", 0x38000002, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp}, |
| 769 | {"madl.fs", 0x380000c2, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp}, |
| 770 | {"madl.fs!", 0x7a00, 0x7f00, 0x380000c2, Rd_Rs, s3_do16_dsp2}, |
| 771 | {"madu", 0x38000020, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp}, |
| 772 | {"madu!", 0x7500, 0x7f00, 0x38000020, Rd_Rs, s3_do16_dsp2}, |
| 773 | {"mad.f", 0x38000080, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp}, |
| 774 | {"max", 0x38000007, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_dsp2}, |
| 775 | {"mazh", 0x38000303, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp}, |
| 776 | {"mazh.f", 0x38000383, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp}, |
| 777 | {"mazh.f!", 0x7900, 0x7f00, 0x3800038c, Rd_Rs, s3_do16_dsp2}, |
| 778 | {"mazl", 0x38000102, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp}, |
| 779 | {"mazl.f", 0x38000182, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp}, |
| 780 | {"mazl.f!", 0x7800, 0x7f00, 0x38000182, Rd_Rs, s3_do16_dsp2}, |
| 781 | {"mfceh", 0x00000848, 0x3e007fff, 0x8000, Rd_x_x, s3_do_rd}, |
| 782 | {"mfceh!", 0x7110, 0x7ff0, 0x00000848, x_Rs, s3_do16_dsp}, |
| 783 | {"mfcehl", 0x00000c48, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs}, |
| 784 | {"mfsr", 0x00000050, 0x3e0003ff, 0x8000, Rd_x_I5, s3_do_rdsrs}, |
| 785 | {"mfcr", 0x0c000001, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs}, |
| 786 | {"mfc1", 0x0c000009, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs}, |
| 787 | {"mfc2", 0x0c000011, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs}, |
| 788 | {"mfc3", 0x0c000019, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs}, |
| 789 | {"mfcc1", 0x0c00000f, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs}, |
| 790 | {"mfcc2", 0x0c000017, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs}, |
| 791 | {"mfcc3", 0x0c00001f, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs}, |
| 792 | {"min", 0x38000006, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_dsp2}, |
| 793 | {"msb", 0x38000001, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp}, |
| 794 | {"msb.f!", 0x7600, 0x7f00, 0x38000081, Rd_Rs, s3_do16_dsp2}, |
| 795 | {"msbh", 0x38000205, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp}, |
| 796 | {"msbh.fs", 0x380002c5, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp}, |
| 797 | {"msbh.fs!", 0x7f00, 0x7f00, 0x380002c5, Rd_Rs, s3_do16_dsp2}, |
| 798 | {"msbl", 0x38000004, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp}, |
| 799 | {"msbl.fs", 0x380000c4, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp}, |
| 800 | {"msbl.fs!", 0x7e00, 0x7f00, 0x380000c4, Rd_Rs, s3_do16_dsp2}, |
| 801 | {"msbu", 0x38000021, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp}, |
| 802 | {"msbu!", 0x7700, 0x7f00, 0x38000021, Rd_Rs, s3_do16_dsp2}, |
| 803 | {"msb.f", 0x38000081, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp}, |
| 804 | {"mszh", 0x38000305, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp}, |
| 805 | {"mszh.f", 0x38000385, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp}, |
| 806 | {"mszh.f!", 0x7d00, 0x7f00, 0x38000385, Rd_Rs, s3_do16_dsp2}, |
| 807 | {"mszl", 0x38000104, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp}, |
| 808 | {"mszl.f", 0x38000184, 0x3ff003ff, 0x8000, x_Rs_Rs, s3_do_dsp}, |
| 809 | {"mszl.f!", 0x7c00, 0x7f00, 0x38000184, Rd_Rs, s3_do16_dsp2}, |
| 810 | {"mtcel!", 0x7000, 0x7ff0, 0x0000044a, x_Rs, s3_do16_dsp}, |
| 811 | {"mtcel", 0x0000044a, 0x3e007fff, 0x8000, Rd_x_x, s3_do_rd}, |
| 812 | {"mtceh", 0x0000084a, 0x3e007fff, 0x8000, Rd_x_x, s3_do_rd}, |
| 813 | {"mtceh!", 0x7010, 0x7ff0, 0x0000084a, x_Rs, s3_do16_dsp}, |
| 814 | {"mtcehl", 0x00000c4a, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs}, |
| 815 | {"mtsr", 0x00000052, 0x3e0003ff, 0x8000, x_Rs_I5, s3_do_rdsrs}, |
| 816 | {"mtcr", 0x0c000000, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs}, |
| 817 | {"mtc1", 0x0c000008, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs}, |
| 818 | {"mtc2", 0x0c000010, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs}, |
| 819 | {"mtc3", 0x0c000018, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs}, |
| 820 | {"mtcc1", 0x0c00000e, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs}, |
| 821 | {"mtcc2", 0x0c000016, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs}, |
| 822 | {"mtcc3", 0x0c00001e, 0x3e00001f, 0x8000, Rd_Rs_x, s3_do_rdcrs}, |
| 823 | {"mul.f!", 0x7200, 0x7f00, 0x00000041, Rd_Rs, s3_do16_dsp2}, |
| 824 | {"mulu!", 0x7300, 0x7f00, 0x00000042, Rd_Rs, s3_do16_dsp2}, |
| 825 | {"mulr.l", 0x00000140, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs}, |
| 826 | {"mulr.h", 0x00000240, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs}, |
| 827 | {"mulr", 0x00000340, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs}, |
| 828 | {"mulr.lf", 0x00000141, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs}, |
| 829 | {"mulr.hf", 0x00000241, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs}, |
| 830 | {"mulr.f", 0x00000341, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs}, |
| 831 | {"mulur.l", 0x00000142, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs}, |
| 832 | {"mulur.h", 0x00000242, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs}, |
| 833 | {"mulur", 0x00000342, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs}, |
| 834 | {"divr.q", 0x00000144, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs}, |
| 835 | {"divr.r", 0x00000244, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs}, |
| 836 | {"divr", 0x00000344, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs}, |
| 837 | {"divur.q", 0x00000146, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs}, |
| 838 | {"divur.r", 0x00000246, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs}, |
| 839 | {"divur", 0x00000346, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_rdrsrs}, |
| 840 | {"mvcs", 0x00000056, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs}, |
| 841 | {"mvcc", 0x00000456, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs}, |
| 842 | {"mvgtu", 0x00000856, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs}, |
| 843 | {"mvleu", 0x00000c56, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs}, |
| 844 | {"mveq", 0x00001056, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs}, |
| 845 | {"mvne", 0x00001456, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs}, |
| 846 | {"mvgt", 0x00001856, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs}, |
| 847 | {"mvle", 0x00001c56, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs}, |
| 848 | {"mvge", 0x00002056, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs}, |
| 849 | {"mvlt", 0x00002456, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs}, |
| 850 | {"mvmi", 0x00002856, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs}, |
| 851 | {"mvpl", 0x00002c56, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs}, |
| 852 | {"mvvs", 0x00003056, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs}, |
| 853 | {"mvvc", 0x00003456, 0x3e007fff, 0x8000, Rd_Rs_x, s3_do_rdrs}, |
| 854 | |
| 855 | /* mv <-> mv!. */ |
| 856 | {"mv", 0x00003c56, 0x3e007fff, 0x4000, Rd_Rs_x, s3_do_rdrs}, |
| 857 | {"mv!", 0x4000, 0x7c00, 0x8000, Rd_Rs, s3_do16_mv_cmp}, |
| 858 | {"neg", 0x0000001e, 0x3e0003ff, 0x8000, Rd_x_Rs, s3_do_rdxrs}, |
| 859 | {"neg.c", 0x0000001f, 0x3e0003ff, 0x8000, Rd_x_Rs, s3_do_rdxrs}, |
| 860 | {"nop", 0x00000000, 0x3e0003ff, 0x0000, NO_OPD, s3_do_empty}, |
| 861 | {"not", 0x00000024, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs}, |
| 862 | {"not.c", 0x00000025, 0x3e0003ff, 0x8000, Rd_Rs_x, s3_do_rdrs}, |
| 863 | {"nop!", 0x0000, 0x7fff, 0x8000, NO16_OPD, s3_do_empty}, |
| 864 | {"or", 0x00000022, 0x3e0003ff, 0x4a00, Rd_Rs_Rs, s3_do_rdrsrs}, |
| 865 | {"or.c", 0x00000023, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs}, |
| 866 | {"ori", 0x020a0000, 0x3e0e0001, 0x8000, Rd_I16, s3_do_rdi16}, |
| 867 | {"ori.c", 0x020a0001, 0x3e0e0001, 0x8000, Rd_I16, s3_do_rdi16}, |
| 868 | {"oris", 0x0a0a0000, 0x3e0e0001, 0x8000, Rd_I16, s3_do_rdi16}, |
| 869 | {"oris.c", 0x0a0a0001, 0x3e0e0001, 0x8000, Rd_I16, s3_do_rdi16}, |
| 870 | {"orri", 0x1a000000, 0x3e000001, 0x8000, Rd_Rs_I14, s3_do_rdrsi14}, |
| 871 | {"orri.c", 0x1a000001, 0x3e000001, 0x8000, Rd_Rs_I14, s3_do_rdrsi14}, |
| 872 | |
| 873 | /* or.c <-> or!. */ |
| 874 | {"or!", 0x4a00, 0x7f00, 0x8000, Rd_Rs, s3_do16_rdrs2}, |
| 875 | {"pflush", 0x0000000a, 0x3e0003ff, 0x8000, NO_OPD, s3_do_empty}, |
| 876 | {"pop!", 0x0040, 0x7fe0, 0x8000, Rd_rvalueRs, s3_do16_push_pop}, |
| 877 | {"push!", 0x0060, 0x7fe0, 0x8000, Rd_lvalueRs, s3_do16_push_pop}, |
| 878 | |
| 879 | {"rpop!", 0x6800, 0x7c00, 0x8000, Rd_I5, s3_do16_rpop}, |
| 880 | {"rpush!", 0x6c00, 0x7c00, 0x8000, Rd_I5, s3_do16_rpush}, |
| 881 | |
| 882 | {"ror", 0x00000038, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs}, |
| 883 | {"ror.c", 0x00000039, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs}, |
| 884 | {"rorc.c", 0x0000003b, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs}, |
| 885 | {"rol", 0x0000003c, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs}, |
| 886 | {"rol.c", 0x0000003d, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs}, |
| 887 | {"rolc.c", 0x0000003f, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs}, |
| 888 | {"rori", 0x00000078, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5}, |
| 889 | {"rori.c", 0x00000079, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5}, |
| 890 | {"roric.c", 0x0000007b, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5}, |
| 891 | {"roli", 0x0000007c, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5}, |
| 892 | {"roli.c", 0x0000007d, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5}, |
| 893 | {"rolic.c", 0x0000007f, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5}, |
| 894 | {"rte", 0x0c000084, 0x3e0003ff, 0x8000, NO_OPD, s3_do_empty}, |
| 895 | {"asw", 0x0000000e, 0x3e0003ff, 0x8000, Rd_lvalue32Rs, s3_do_ldst_atomic}, |
| 896 | {"scb", 0x00000068, 0x3e0003ff, 0x8000, Rd_lvalueRs_post4, s3_do_ldst_unalign}, |
| 897 | {"scw", 0x0000006a, 0x3e0003ff, 0x8000, Rd_lvalueRs_post4, s3_do_ldst_unalign}, |
| 898 | {"sce", 0x0000006e, 0x3e0003ff, 0x8000, x_lvalueRs_post4, s3_do_ldst_unalign}, |
| 899 | {"sdbbp", 0x00000006, 0x3e0003ff, 0x0020, x_I5_x, s3_do_xi5x}, |
| 900 | {"sdbbp!", 0x0020, 0x7fe0, 0x8000, Rd_I5, s3_do16_xi5}, |
| 901 | {"sleep", 0x0c0000c4, 0x3e0003ff, 0x8000, NO_OPD, s3_do_empty}, |
| 902 | {"rti", 0x0c0000e4, 0x3e0003ff, 0x8000, NO_OPD, s3_do_empty}, |
| 903 | {"sll", 0x00000030, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs}, |
| 904 | {"sll.c", 0x00000031, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs}, |
| 905 | {"sll.s", 0x3800004e, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_dsp2}, |
| 906 | {"slli", 0x00000070, 0x3e0003ff, 0x5800, Rd_Rs_I5, s3_do_rdrsi5}, |
| 907 | {"slli.c", 0x00000071, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5}, |
| 908 | |
| 909 | /* slli.c <-> slli!. */ |
| 910 | {"slli!", 0x5800, 0x7e00, 0x8000, Rd_I5, s3_do16_slli_srli}, |
| 911 | {"srl", 0x00000034, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs}, |
| 912 | {"srl.c", 0x00000035, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs}, |
| 913 | {"sra", 0x00000036, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs}, |
| 914 | {"sra.c", 0x00000037, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs}, |
| 915 | {"srli", 0x00000074, 0x3e0003ff, 0x5a00, Rd_Rs_I5, s3_do_rdrsi5}, |
| 916 | {"srli.c", 0x00000075, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5}, |
| 917 | {"srai", 0x00000076, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5}, |
| 918 | {"srai.c", 0x00000077, 0x3e0003ff, 0x8000, Rd_Rs_I5, s3_do_rdrsi5}, |
| 919 | |
| 920 | /* srli.c <-> srli!. */ |
| 921 | {"srli!", 0x5a00, 0x7e00, 0x8000, Rd_Rs, s3_do16_slli_srli}, |
| 922 | {"stc1", 0x0c00000b, 0x3e00001f, 0x8000, Rd_lvalueRs_SI10, s3_do_ldst_cop}, |
| 923 | {"stc2", 0x0c000013, 0x3e00001f, 0x8000, Rd_lvalueRs_SI10, s3_do_ldst_cop}, |
| 924 | {"stc3", 0x0c00001b, 0x3e00001f, 0x8000, Rd_lvalueRs_SI10, s3_do_ldst_cop}, |
| 925 | {"sub", 0x00000014, 0x3e0003ff, 0x4900, Rd_Rs_Rs, s3_do_rdrsrs}, |
| 926 | {"sub.c", 0x00000015, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs}, |
| 927 | {"sub.s", 0x38000049, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_dsp2}, |
| 928 | {"subc", 0x00000016, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs}, |
| 929 | {"subc.c", 0x00000017, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs}, |
| 930 | |
| 931 | /* sub.c <-> sub!. */ |
| 932 | {"sub!", 0x4900, 0x7f00, 0x8000, Rd_Rs, s3_do16_rdrs2}, |
| 933 | {"sw!", 0x2000, 0x7000, 0x8000, Rd_lvalueRs, s3_do16_ldst_insn}, |
| 934 | {"syscall", 0x00000002, 0x3e0003ff, 0x8000, I15, s3_do_i15}, |
| 935 | {"trapcs", 0x00000004, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x}, |
| 936 | {"trapcc", 0x00000404, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x}, |
| 937 | {"trapgtu", 0x00000804, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x}, |
| 938 | {"trapleu", 0x00000c04, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x}, |
| 939 | {"trapeq", 0x00001004, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x}, |
| 940 | {"trapne", 0x00001404, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x}, |
| 941 | {"trapgt", 0x00001804, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x}, |
| 942 | {"traple", 0x00001c04, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x}, |
| 943 | {"trapge", 0x00002004, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x}, |
| 944 | {"traplt", 0x00002404, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x}, |
| 945 | {"trapmi", 0x00002804, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x}, |
| 946 | {"trappl", 0x00002c04, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x}, |
| 947 | {"trapvs", 0x00003004, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x}, |
| 948 | {"trapvc", 0x00003404, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x}, |
| 949 | {"trap", 0x00003c04, 0x3e007fff, 0x8000, x_I5_x, s3_do_xi5x}, |
| 950 | {"xor", 0x00000026, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs}, |
| 951 | {"xor.c", 0x00000027, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s3_do_rdrsrs}, |
| 952 | |
| 953 | /* Macro instruction. */ |
| 954 | {"li", 0x020c0000, 0x3e0e0000, 0x8000, Insn_Type_SYN, s3_do_macro_li_rdi32}, |
| 955 | |
| 956 | /* la reg, imm32 -->(1) ldi reg, simm16 |
| 957 | (2) ldis reg, %HI(imm32) |
| 958 | ori reg, %LO(imm32) |
| 959 | |
| 960 | la reg, symbol -->(1) lis reg, %HI(imm32) |
| 961 | ori reg, %LO(imm32) */ |
| 962 | {"la", 0x020c0000, 0x3e0e0000, 0x8000, Insn_Type_SYN, s3_do_macro_la_rdi32}, |
| 963 | {"bcmpeqz", 0x0000004c, 0x3e00007e, 0x8000, Insn_BCMP, s3_do_macro_bcmpz}, |
| 964 | {"bcmpeq", 0x0000004c, 0x3e00007e, 0x8000, Insn_BCMP, s3_do_macro_bcmp}, |
| 965 | {"bcmpnez", 0x0000004e, 0x3e00007e, 0x8000, Insn_BCMP, s3_do_macro_bcmpz}, |
| 966 | {"bcmpne", 0x0000004e, 0x3e00007e, 0x8000, Insn_BCMP, s3_do_macro_bcmp}, |
| 967 | {"div", 0x00000044, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs}, |
| 968 | {"divu", 0x00000046, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs}, |
| 969 | {"rem", 0x00000044, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs}, |
| 970 | {"remu", 0x00000046, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs}, |
| 971 | {"mul", 0x00000040, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs}, |
| 972 | {"mulu", 0x00000042, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs}, |
| 973 | {"maz", 0x00000040, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs}, |
| 974 | {"mazu", 0x00000042, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs}, |
| 975 | {"mul.f", 0x00000041, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs}, |
| 976 | {"maz.f", 0x00000041, 0x3e0003ff, 0x8000, Insn_Type_SYN, s3_do_macro_mul_rdrsrs}, |
| 977 | {"lb", INSN_LB, 0x00000000, 0x8000, Insn_Type_SYN, s3_do_macro_ldst_label}, |
| 978 | {"lbu", INSN_LBU, 0x00000000, 0x8000, Insn_Type_SYN, s3_do_macro_ldst_label}, |
| 979 | {"lh", INSN_LH, 0x00000000, 0x8000, Insn_Type_SYN, s3_do_macro_ldst_label}, |
| 980 | {"lhu", INSN_LHU, 0x00000000, 0x8000, Insn_Type_SYN, s3_do_macro_ldst_label}, |
| 981 | {"lw", INSN_LW, 0x00000000, 0x1000, Insn_Type_SYN, s3_do_macro_ldst_label}, |
| 982 | {"sb", INSN_SB, 0x00000000, 0x8000, Insn_Type_SYN, s3_do_macro_ldst_label}, |
| 983 | {"sh", INSN_SH, 0x00000000, 0x8000, Insn_Type_SYN, s3_do_macro_ldst_label}, |
| 984 | {"sw", INSN_SW, 0x00000000, 0x2000, Insn_Type_SYN, s3_do_macro_ldst_label}, |
| 985 | |
| 986 | /* Assembler use internal. */ |
| 987 | {"ld_i32hi", 0x0a0c0000, 0x3e0e0000, 0x8000, Insn_internal, s3_do_macro_rdi32hi}, |
| 988 | {"ld_i32lo", 0x020a0000, 0x3e0e0001, 0x8000, Insn_internal, s3_do_macro_rdi32lo}, |
| 989 | {"ldis_pic", 0x0a0c0000, 0x3e0e0000, 0x8000, Insn_internal, s3_do_rdi16_pic}, |
| 990 | {"addi_s_pic",0x02000000, 0x3e0e0001, 0x8000, Insn_internal, s3_do_addi_s_pic}, |
| 991 | {"addi_u_pic",0x02000000, 0x3e0e0001, 0x8000, Insn_internal, s3_do_addi_u_pic}, |
| 992 | {"lw_pic", 0x20000000, 0x3e000000, 0x8000, Insn_internal, s3_do_lw_pic}, |
| 993 | |
| 994 | /* 48-bit instructions. */ |
| 995 | {"sdbbp48", 0x000000000000LL, 0x1c000000001fLL, 0x8000, Rd_I32, s3_do_sdbbp48}, |
| 996 | {"ldi48", 0x000000000001LL, 0x1c000000001fLL, 0x8000, Rd_I32, s3_do_ldi48}, |
| 997 | {"lw48", 0x000000000002LL, 0x1c000000001fLL, 0x8000, Rd_I30, s3_do_lw48}, |
| 998 | {"sw48", 0x000000000003LL, 0x1c000000001fLL, 0x8000, Rd_I30, s3_do_sw48}, |
| 999 | {"andri48", 0x040000000000LL, 0x1c0000000003LL, 0x8000, Rd_I32, s3_do_and48}, |
| 1000 | {"andri48.c", 0x040000000001LL, 0x1c0000000003LL, 0x8000, Rd_I32, s3_do_and48}, |
| 1001 | {"orri48", 0x040000000002LL, 0x1c0000000003LL, 0x8000, Rd_I32, s3_do_or48}, |
| 1002 | {"orri48.c", 0x040000000003LL, 0x1c0000000003LL, 0x8000, Rd_I32, s3_do_or48}, |
| 1003 | }; |
| 1004 | |
| 1005 | #define s3_SCORE3_PIPELINE 3 |
| 1006 | |
| 1007 | static int s3_university_version = 0; |
| 1008 | static int s3_vector_size = s3_SCORE3_PIPELINE; |
| 1009 | static struct s3_score_it s3_dependency_vector[s3_SCORE3_PIPELINE]; |
| 1010 | |
| 1011 | static int s3_score3d = 1; |
| 1012 | |
| 1013 | static int |
| 1014 | s3_end_of_line (char *str) |
| 1015 | { |
| 1016 | int retval = s3_SUCCESS; |
| 1017 | |
| 1018 | s3_skip_whitespace (str); |
| 1019 | if (*str != '\0') |
| 1020 | { |
| 1021 | retval = (int) s3_FAIL; |
| 1022 | |
| 1023 | if (!s3_inst.error) |
| 1024 | s3_inst.error = s3_BAD_GARBAGE; |
| 1025 | } |
| 1026 | |
| 1027 | return retval; |
| 1028 | } |
| 1029 | |
| 1030 | static int |
| 1031 | s3_score_reg_parse (char **ccp, struct hash_control *htab) |
| 1032 | { |
| 1033 | char *start = *ccp; |
| 1034 | char c; |
| 1035 | char *p; |
| 1036 | struct s3_reg_entry *reg; |
| 1037 | |
| 1038 | p = start; |
| 1039 | if (!ISALPHA (*p) || !is_name_beginner (*p)) |
| 1040 | return (int) s3_FAIL; |
| 1041 | |
| 1042 | c = *p++; |
| 1043 | |
| 1044 | while (ISALPHA (c) || ISDIGIT (c) || c == '_') |
| 1045 | c = *p++; |
| 1046 | |
| 1047 | *--p = 0; |
| 1048 | reg = (struct s3_reg_entry *) hash_find (htab, start); |
| 1049 | *p = c; |
| 1050 | |
| 1051 | if (reg) |
| 1052 | { |
| 1053 | *ccp = p; |
| 1054 | return reg->number; |
| 1055 | } |
| 1056 | return (int) s3_FAIL; |
| 1057 | } |
| 1058 | |
| 1059 | /* If shift <= 0, only return reg. */ |
| 1060 | |
| 1061 | static int |
| 1062 | s3_reg_required_here (char **str, int shift, enum s3_score_reg_type reg_type) |
| 1063 | { |
| 1064 | static char buff[s3_MAX_LITERAL_POOL_SIZE]; |
| 1065 | int reg = (int) s3_FAIL; |
| 1066 | char *start = *str; |
| 1067 | |
| 1068 | if ((reg = s3_score_reg_parse (str, s3_all_reg_maps[reg_type].htab)) != (int) s3_FAIL) |
| 1069 | { |
| 1070 | if (reg_type == s3_REG_TYPE_SCORE) |
| 1071 | { |
| 1072 | if ((reg == 1) && (s3_nor1 == 1) && (s3_inst.bwarn == 0)) |
| 1073 | { |
| 1074 | as_warn (_("Using temp register(r1)")); |
| 1075 | s3_inst.bwarn = 1; |
| 1076 | } |
| 1077 | } |
| 1078 | if (shift >= 0) |
| 1079 | { |
| 1080 | if (reg_type == s3_REG_TYPE_SCORE_CR) |
| 1081 | strcpy (s3_inst.reg, s3_score_crn_table[reg].name); |
| 1082 | else if (reg_type == s3_REG_TYPE_SCORE_SR) |
| 1083 | strcpy (s3_inst.reg, s3_score_srn_table[reg].name); |
| 1084 | else |
| 1085 | strcpy (s3_inst.reg, ""); |
| 1086 | |
| 1087 | s3_inst.instruction |= (bfd_vma) reg << shift; |
| 1088 | } |
| 1089 | } |
| 1090 | else |
| 1091 | { |
| 1092 | *str = start; |
| 1093 | sprintf (buff, _("register expected, not '%.100s'"), start); |
| 1094 | s3_inst.error = buff; |
| 1095 | } |
| 1096 | |
| 1097 | return reg; |
| 1098 | } |
| 1099 | |
| 1100 | static int |
| 1101 | s3_skip_past_comma (char **str) |
| 1102 | { |
| 1103 | char *p = *str; |
| 1104 | char c; |
| 1105 | int comma = 0; |
| 1106 | |
| 1107 | while ((c = *p) == ' ' || c == ',') |
| 1108 | { |
| 1109 | p++; |
| 1110 | if (c == ',' && comma++) |
| 1111 | { |
| 1112 | s3_inst.error = s3_BAD_SKIP_COMMA; |
| 1113 | return (int) s3_FAIL; |
| 1114 | } |
| 1115 | } |
| 1116 | |
| 1117 | if ((c == '\0') || (comma == 0)) |
| 1118 | { |
| 1119 | s3_inst.error = s3_BAD_SKIP_COMMA; |
| 1120 | return (int) s3_FAIL; |
| 1121 | } |
| 1122 | |
| 1123 | *str = p; |
| 1124 | return comma ? s3_SUCCESS : (int) s3_FAIL; |
| 1125 | } |
| 1126 | |
| 1127 | static void |
| 1128 | s3_do_rdrsrs (char *str) |
| 1129 | { |
| 1130 | int reg; |
| 1131 | s3_skip_whitespace (str); |
| 1132 | |
| 1133 | if ((reg = s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE)) == (int) s3_FAIL |
| 1134 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 1135 | || s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 1136 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 1137 | || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 1138 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 1139 | { |
| 1140 | return; |
| 1141 | } |
| 1142 | else |
| 1143 | { |
| 1144 | /* Check mulr, mulur rd is even number. */ |
| 1145 | if (((s3_inst.instruction & 0x3e0003ff) == 0x00000340 |
| 1146 | || (s3_inst.instruction & 0x3e0003ff) == 0x00000342) |
| 1147 | && (reg % 2)) |
| 1148 | { |
| 1149 | s3_inst.error = _("rd must be even number."); |
| 1150 | return; |
| 1151 | } |
| 1152 | |
| 1153 | if ((((s3_inst.instruction >> 15) & 0x10) == 0) |
| 1154 | && (((s3_inst.instruction >> 10) & 0x10) == 0) |
| 1155 | && (((s3_inst.instruction >> 20) & 0x10) == 0) |
| 1156 | && (s3_inst.relax_inst != 0x8000) |
| 1157 | && (((s3_inst.instruction >> 20) & 0xf) == ((s3_inst.instruction >> 15) & 0xf))) |
| 1158 | { |
| 1159 | s3_inst.relax_inst |= (((s3_inst.instruction >> 10) & 0xf) ) |
| 1160 | | (((s3_inst.instruction >> 15) & 0xf) << 4); |
| 1161 | s3_inst.relax_size = 2; |
| 1162 | } |
| 1163 | else |
| 1164 | { |
| 1165 | s3_inst.relax_inst = 0x8000; |
| 1166 | } |
| 1167 | } |
| 1168 | } |
| 1169 | |
| 1170 | static int |
| 1171 | s3_walk_no_bignums (symbolS * sp) |
| 1172 | { |
| 1173 | if (symbol_get_value_expression (sp)->X_op == O_big) |
| 1174 | return 1; |
| 1175 | |
| 1176 | if (symbol_get_value_expression (sp)->X_add_symbol) |
| 1177 | return (s3_walk_no_bignums (symbol_get_value_expression (sp)->X_add_symbol) |
| 1178 | || (symbol_get_value_expression (sp)->X_op_symbol |
| 1179 | && s3_walk_no_bignums (symbol_get_value_expression (sp)->X_op_symbol))); |
| 1180 | |
| 1181 | return 0; |
| 1182 | } |
| 1183 | |
| 1184 | static int |
| 1185 | s3_my_get_expression (expressionS * ep, char **str) |
| 1186 | { |
| 1187 | char *save_in; |
| 1188 | |
| 1189 | save_in = input_line_pointer; |
| 1190 | input_line_pointer = *str; |
| 1191 | s3_in_my_get_expression = 1; |
| 1192 | (void) expression (ep); |
| 1193 | s3_in_my_get_expression = 0; |
| 1194 | |
| 1195 | if (ep->X_op == O_illegal) |
| 1196 | { |
| 1197 | *str = input_line_pointer; |
| 1198 | input_line_pointer = save_in; |
| 1199 | s3_inst.error = _("illegal expression"); |
| 1200 | return (int) s3_FAIL; |
| 1201 | } |
| 1202 | /* Get rid of any bignums now, so that we don't generate an error for which |
| 1203 | we can't establish a line number later on. Big numbers are never valid |
| 1204 | in instructions, which is where this routine is always called. */ |
| 1205 | if (ep->X_op == O_big |
| 1206 | || (ep->X_add_symbol |
| 1207 | && (s3_walk_no_bignums (ep->X_add_symbol) |
| 1208 | || (ep->X_op_symbol && s3_walk_no_bignums (ep->X_op_symbol))))) |
| 1209 | { |
| 1210 | s3_inst.error = _("invalid constant"); |
| 1211 | *str = input_line_pointer; |
| 1212 | input_line_pointer = save_in; |
| 1213 | return (int) s3_FAIL; |
| 1214 | } |
| 1215 | |
| 1216 | if ((ep->X_add_symbol != NULL) |
| 1217 | && (s3_inst.type != PC_DISP19div2) |
| 1218 | && (s3_inst.type != PC_DISP8div2) |
| 1219 | && (s3_inst.type != PC_DISP24div2) |
| 1220 | && (s3_inst.type != PC_DISP11div2) |
| 1221 | && (s3_inst.type != Insn_Type_SYN) |
| 1222 | && (s3_inst.type != Rd_rvalueRs_SI15) |
| 1223 | && (s3_inst.type != Rd_lvalueRs_SI15) |
| 1224 | && (s3_inst.type != Insn_internal) |
| 1225 | && (s3_inst.type != Rd_I30) |
| 1226 | && (s3_inst.type != Rd_I32) |
| 1227 | && (s3_inst.type != Insn_BCMP)) |
| 1228 | { |
| 1229 | s3_inst.error = s3_BAD_ARGS; |
| 1230 | *str = input_line_pointer; |
| 1231 | input_line_pointer = save_in; |
| 1232 | return (int) s3_FAIL; |
| 1233 | } |
| 1234 | |
| 1235 | *str = input_line_pointer; |
| 1236 | input_line_pointer = save_in; |
| 1237 | return s3_SUCCESS; |
| 1238 | } |
| 1239 | |
| 1240 | /* Check if an immediate is valid. If so, convert it to the right format. */ |
| 1241 | static bfd_signed_vma |
| 1242 | s3_validate_immediate (bfd_signed_vma val, unsigned int data_type, int hex_p) |
| 1243 | { |
| 1244 | switch (data_type) |
| 1245 | { |
| 1246 | case _VALUE_HI16: |
| 1247 | { |
| 1248 | bfd_signed_vma val_hi = ((val & 0xffff0000) >> 16); |
| 1249 | |
| 1250 | if (s3_score_df_range[data_type].range[0] <= val_hi |
| 1251 | && val_hi <= s3_score_df_range[data_type].range[1]) |
| 1252 | return val_hi; |
| 1253 | } |
| 1254 | break; |
| 1255 | |
| 1256 | case _VALUE_LO16: |
| 1257 | { |
| 1258 | bfd_signed_vma val_lo = (val & 0xffff); |
| 1259 | |
| 1260 | if (s3_score_df_range[data_type].range[0] <= val_lo |
| 1261 | && val_lo <= s3_score_df_range[data_type].range[1]) |
| 1262 | return val_lo; |
| 1263 | } |
| 1264 | break; |
| 1265 | |
| 1266 | case _SIMM14: |
| 1267 | if (hex_p == 1) |
| 1268 | { |
| 1269 | if (!(val >= -0x2000 && val <= 0x3fff)) |
| 1270 | { |
| 1271 | return (int) s3_FAIL; |
| 1272 | } |
| 1273 | } |
| 1274 | else |
| 1275 | { |
| 1276 | if (!(val >= -8192 && val <= 8191)) |
| 1277 | { |
| 1278 | return (int) s3_FAIL; |
| 1279 | } |
| 1280 | } |
| 1281 | |
| 1282 | return val; |
| 1283 | break; |
| 1284 | |
| 1285 | case _SIMM16_NEG: |
| 1286 | if (hex_p == 1) |
| 1287 | { |
| 1288 | if (!(val >= -0x7fff && val <= 0xffff && val != 0x8000)) |
| 1289 | { |
| 1290 | return (int) s3_FAIL; |
| 1291 | } |
| 1292 | } |
| 1293 | else |
| 1294 | { |
| 1295 | if (!(val >= -32767 && val <= 32768)) |
| 1296 | { |
| 1297 | return (int) s3_FAIL; |
| 1298 | } |
| 1299 | } |
| 1300 | |
| 1301 | val = -val; |
| 1302 | return val; |
| 1303 | break; |
| 1304 | |
| 1305 | case _IMM5_MULTI_LOAD: |
| 1306 | if (val >= 2 && val <= 32) |
| 1307 | { |
| 1308 | if (val == 32) |
| 1309 | val = 0; |
| 1310 | return val; |
| 1311 | } |
| 1312 | return (int) s3_FAIL; |
| 1313 | |
| 1314 | case _IMM32: |
| 1315 | if (val >= 0 && val <= 0xffffffff) |
| 1316 | { |
| 1317 | return val; |
| 1318 | } |
| 1319 | else |
| 1320 | { |
| 1321 | return (int) s3_FAIL; |
| 1322 | } |
| 1323 | |
| 1324 | default: |
| 1325 | if (data_type == _SIMM14_NEG || data_type == _IMM16_NEG) |
| 1326 | val = -val; |
| 1327 | |
| 1328 | if (s3_score_df_range[data_type].range[0] <= val |
| 1329 | && val <= s3_score_df_range[data_type].range[1]) |
| 1330 | return val; |
| 1331 | |
| 1332 | break; |
| 1333 | } |
| 1334 | |
| 1335 | return (int) s3_FAIL; |
| 1336 | } |
| 1337 | |
| 1338 | static int |
| 1339 | s3_data_op2 (char **str, int shift, enum score_data_type data_type) |
| 1340 | { |
| 1341 | bfd_signed_vma value; |
| 1342 | char data_exp[s3_MAX_LITERAL_POOL_SIZE]; |
| 1343 | char *dataptr; |
| 1344 | int cnt = 0; |
| 1345 | char *pp = NULL; |
| 1346 | |
| 1347 | s3_skip_whitespace (*str); |
| 1348 | s3_inst.error = NULL; |
| 1349 | dataptr = * str; |
| 1350 | |
| 1351 | /* Set hex_p to zero. */ |
| 1352 | int hex_p = 0; |
| 1353 | |
| 1354 | while ((*dataptr != '\0') && (*dataptr != '|') && (cnt <= s3_MAX_LITERAL_POOL_SIZE)) /* 0x7c = ='|' */ |
| 1355 | { |
| 1356 | data_exp[cnt] = *dataptr; |
| 1357 | dataptr++; |
| 1358 | cnt++; |
| 1359 | } |
| 1360 | |
| 1361 | data_exp[cnt] = '\0'; |
| 1362 | pp = (char *)&data_exp; |
| 1363 | |
| 1364 | if (*dataptr == '|') /* process PCE */ |
| 1365 | { |
| 1366 | if (s3_my_get_expression (&s3_inst.reloc.exp, &pp) == (int) s3_FAIL) |
| 1367 | return (int) s3_FAIL; |
| 1368 | s3_end_of_line (pp); |
| 1369 | if (s3_inst.error != 0) |
| 1370 | return (int) s3_FAIL; /* to ouptut_inst to printf out the error */ |
| 1371 | *str = dataptr; |
| 1372 | } |
| 1373 | else /* process 16 bit */ |
| 1374 | { |
| 1375 | if (s3_my_get_expression (&s3_inst.reloc.exp, str) == (int) s3_FAIL) |
| 1376 | { |
| 1377 | return (int) s3_FAIL; |
| 1378 | } |
| 1379 | |
| 1380 | dataptr = (char *)data_exp; |
| 1381 | for (; *dataptr != '\0'; dataptr++) |
| 1382 | { |
| 1383 | *dataptr = TOLOWER (*dataptr); |
| 1384 | if (*dataptr == '!' || *dataptr == ' ') |
| 1385 | break; |
| 1386 | } |
| 1387 | dataptr = (char *)data_exp; |
| 1388 | |
| 1389 | if ((dataptr != NULL) |
| 1390 | && (((strstr (dataptr, "0x")) != NULL) |
| 1391 | || ((strstr (dataptr, "0X")) != NULL))) |
| 1392 | { |
| 1393 | hex_p = 1; |
| 1394 | if ((data_type != _SIMM16_LA) |
| 1395 | && (data_type != _VALUE_HI16) |
| 1396 | && (data_type != _VALUE_LO16) |
| 1397 | && (data_type != _IMM16) |
| 1398 | && (data_type != _IMM15) |
| 1399 | && (data_type != _IMM14) |
| 1400 | && (data_type != _IMM4) |
| 1401 | && (data_type != _IMM5) |
| 1402 | && (data_type != _IMM5_MULTI_LOAD) |
| 1403 | && (data_type != _IMM11) |
| 1404 | && (data_type != _IMM8) |
| 1405 | && (data_type != _IMM5_RSHIFT_1) |
| 1406 | && (data_type != _IMM5_RSHIFT_2) |
| 1407 | && (data_type != _SIMM14) |
| 1408 | && (data_type != _SIMM14_NEG) |
| 1409 | && (data_type != _SIMM16_NEG) |
| 1410 | && (data_type != _IMM10_RSHIFT_2) |
| 1411 | && (data_type != _GP_IMM15) |
| 1412 | && (data_type != _SIMM5) |
| 1413 | && (data_type != _SIMM6) |
| 1414 | && (data_type != _IMM32) |
| 1415 | && (data_type != _SIMM32)) |
| 1416 | { |
| 1417 | data_type += 24; |
| 1418 | } |
| 1419 | } |
| 1420 | |
| 1421 | if ((s3_inst.reloc.exp.X_add_number == 0) |
| 1422 | && (s3_inst.type != Insn_Type_SYN) |
| 1423 | && (s3_inst.type != Rd_rvalueRs_SI15) |
| 1424 | && (s3_inst.type != Rd_lvalueRs_SI15) |
| 1425 | && (s3_inst.type != Insn_internal) |
| 1426 | && (((*dataptr >= 'a') && (*dataptr <= 'z')) |
| 1427 | || ((*dataptr == '0') && (*(dataptr + 1) == 'x') && (*(dataptr + 2) != '0')) |
| 1428 | || ((*dataptr == '+') && (*(dataptr + 1) != '0')) |
| 1429 | || ((*dataptr == '-') && (*(dataptr + 1) != '0')))) |
| 1430 | { |
| 1431 | s3_inst.error = s3_BAD_ARGS; |
| 1432 | return (int) s3_FAIL; |
| 1433 | } |
| 1434 | } |
| 1435 | |
| 1436 | if ((s3_inst.reloc.exp.X_add_symbol) |
| 1437 | && ((data_type == _SIMM16) |
| 1438 | || (data_type == _SIMM16_NEG) |
| 1439 | || (data_type == _IMM16_NEG) |
| 1440 | || (data_type == _SIMM14) |
| 1441 | || (data_type == _SIMM14_NEG) |
| 1442 | || (data_type == _IMM5) |
| 1443 | || (data_type == _IMM5_MULTI_LOAD) |
| 1444 | || (data_type == _IMM11) |
| 1445 | || (data_type == _IMM14) |
| 1446 | || (data_type == _IMM20) |
| 1447 | || (data_type == _IMM16) |
| 1448 | || (data_type == _IMM15) |
| 1449 | || (data_type == _IMM4))) |
| 1450 | { |
| 1451 | s3_inst.error = s3_BAD_ARGS; |
| 1452 | return (int) s3_FAIL; |
| 1453 | } |
| 1454 | |
| 1455 | if (s3_inst.reloc.exp.X_add_symbol) |
| 1456 | { |
| 1457 | switch (data_type) |
| 1458 | { |
| 1459 | case _SIMM16_LA: |
| 1460 | return (int) s3_FAIL; |
| 1461 | case _VALUE_HI16: |
| 1462 | s3_inst.reloc.type = BFD_RELOC_HI16_S; |
| 1463 | s3_inst.reloc.pc_rel = 0; |
| 1464 | break; |
| 1465 | case _VALUE_LO16: |
| 1466 | s3_inst.reloc.type = BFD_RELOC_LO16; |
| 1467 | s3_inst.reloc.pc_rel = 0; |
| 1468 | break; |
| 1469 | case _GP_IMM15: |
| 1470 | s3_inst.reloc.type = BFD_RELOC_SCORE_GPREL15; |
| 1471 | s3_inst.reloc.pc_rel = 0; |
| 1472 | break; |
| 1473 | case _SIMM16_pic: |
| 1474 | case _IMM16_LO16_pic: |
| 1475 | s3_inst.reloc.type = BFD_RELOC_SCORE_GOT_LO16; |
| 1476 | s3_inst.reloc.pc_rel = 0; |
| 1477 | break; |
| 1478 | default: |
| 1479 | s3_inst.reloc.type = BFD_RELOC_32; |
| 1480 | s3_inst.reloc.pc_rel = 0; |
| 1481 | break; |
| 1482 | } |
| 1483 | } |
| 1484 | else |
| 1485 | { |
| 1486 | if (data_type == _IMM16_pic) |
| 1487 | { |
| 1488 | s3_inst.reloc.type = BFD_RELOC_SCORE_DUMMY_HI16; |
| 1489 | s3_inst.reloc.pc_rel = 0; |
| 1490 | } |
| 1491 | |
| 1492 | if (data_type == _SIMM16_LA && s3_inst.reloc.exp.X_unsigned == 1) |
| 1493 | { |
| 1494 | value = s3_validate_immediate (s3_inst.reloc.exp.X_add_number, _SIMM16_LA_POS, hex_p); |
| 1495 | if (value == (int) s3_FAIL) /* for advance to check if this is ldis */ |
| 1496 | if ((s3_inst.reloc.exp.X_add_number & 0xffff) == 0) |
| 1497 | { |
| 1498 | s3_inst.instruction |= 0x8000000; |
| 1499 | s3_inst.instruction |= ((s3_inst.reloc.exp.X_add_number >> 16) << 1) & 0x1fffe; |
| 1500 | return s3_SUCCESS; |
| 1501 | } |
| 1502 | } |
| 1503 | else |
| 1504 | { |
| 1505 | value = s3_validate_immediate (s3_inst.reloc.exp.X_add_number, data_type, hex_p); |
| 1506 | } |
| 1507 | |
| 1508 | if (value == (int) s3_FAIL) |
| 1509 | { |
| 1510 | if (data_type == _IMM32) |
| 1511 | { |
| 1512 | sprintf (s3_err_msg, |
| 1513 | _("invalid constant: %d bit expression not in range %u..%u"), |
| 1514 | s3_score_df_range[data_type].bits, |
| 1515 | 0, (unsigned)0xffffffff); |
| 1516 | } |
| 1517 | else if (data_type == _IMM5_MULTI_LOAD) |
| 1518 | { |
| 1519 | sprintf (s3_err_msg, |
| 1520 | _("invalid constant: %d bit expression not in range %u..%u"), |
| 1521 | 5, 2, 32); |
| 1522 | } |
| 1523 | else if ((data_type != _SIMM14_NEG) && (data_type != _SIMM16_NEG) && (data_type != _IMM16_NEG)) |
| 1524 | { |
| 1525 | sprintf (s3_err_msg, |
| 1526 | _("invalid constant: %d bit expression not in range %d..%d"), |
| 1527 | s3_score_df_range[data_type].bits, |
| 1528 | s3_score_df_range[data_type].range[0], s3_score_df_range[data_type].range[1]); |
| 1529 | } |
| 1530 | else |
| 1531 | { |
| 1532 | sprintf (s3_err_msg, |
| 1533 | _("invalid constant: %d bit expression not in range %d..%d"), |
| 1534 | s3_score_df_range[data_type].bits, |
| 1535 | -s3_score_df_range[data_type].range[1], -s3_score_df_range[data_type].range[0]); |
| 1536 | } |
| 1537 | |
| 1538 | s3_inst.error = s3_err_msg; |
| 1539 | return (int) s3_FAIL; |
| 1540 | } |
| 1541 | |
| 1542 | if (((s3_score_df_range[data_type].range[0] != 0) || (data_type == _IMM5_RANGE_8_31)) |
| 1543 | && data_type != _IMM5_MULTI_LOAD) |
| 1544 | { |
| 1545 | value &= (1 << s3_score_df_range[data_type].bits) - 1; |
| 1546 | } |
| 1547 | |
| 1548 | s3_inst.instruction |= value << shift; |
| 1549 | } |
| 1550 | |
| 1551 | if ((s3_inst.instruction & 0x3e000000) == 0x30000000) |
| 1552 | { |
| 1553 | if ((((s3_inst.instruction >> 20) & 0x1F) != 0) |
| 1554 | && (((s3_inst.instruction >> 20) & 0x1F) != 1) |
| 1555 | && (((s3_inst.instruction >> 20) & 0x1F) != 2) |
| 1556 | && (((s3_inst.instruction >> 20) & 0x1F) != 0x10)) |
| 1557 | { |
| 1558 | s3_inst.error = _("invalid constant: bit expression not defined"); |
| 1559 | return (int) s3_FAIL; |
| 1560 | } |
| 1561 | } |
| 1562 | |
| 1563 | return s3_SUCCESS; |
| 1564 | } |
| 1565 | |
| 1566 | /* Handle addi/addi.c/addis.c/cmpi.c/addis.c/ldi. */ |
| 1567 | static void |
| 1568 | s3_do_rdsi16 (char *str) |
| 1569 | { |
| 1570 | s3_skip_whitespace (str); |
| 1571 | |
| 1572 | if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 1573 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 1574 | || s3_data_op2 (&str, 1, _SIMM16) == (int) s3_FAIL |
| 1575 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 1576 | return; |
| 1577 | |
| 1578 | /* ldi.->ldiu! only for imm5 */ |
| 1579 | if ((s3_inst.instruction & 0x20c0000) == 0x20c0000) |
| 1580 | { |
| 1581 | if ((s3_inst.instruction & 0x1ffc0) != 0) |
| 1582 | { |
| 1583 | s3_inst.relax_inst = 0x8000; |
| 1584 | } |
| 1585 | else |
| 1586 | { |
| 1587 | s3_inst.relax_inst |= (s3_inst.instruction >> 1) & 0x1f; |
| 1588 | s3_inst.relax_inst |= (((s3_inst.instruction >> 20)& 0x1f) <<5); |
| 1589 | s3_inst.relax_size = 2; |
| 1590 | } |
| 1591 | } |
| 1592 | /*cmpi.c */ |
| 1593 | else if ((s3_inst.instruction & 0x02040001) == 0x02040001) |
| 1594 | { |
| 1595 | /* imm <=0x3f (5 bit<<1)*/ |
| 1596 | if (((s3_inst.instruction & 0x1ffe0) == 0) |
| 1597 | || (((s3_inst.instruction & 0x1ffe0) == 0x1ffe0) |
| 1598 | && (s3_inst.instruction & 0x003e) != 0)) |
| 1599 | { |
| 1600 | s3_inst.relax_inst |= (s3_inst.instruction >> 1) & 0x1f; |
| 1601 | s3_inst.relax_inst |= (((s3_inst.instruction >> 20) & 0x1f) << 5); |
| 1602 | s3_inst.relax_size = 2; |
| 1603 | } |
| 1604 | else |
| 1605 | { |
| 1606 | s3_inst.relax_inst =0x8000; |
| 1607 | |
| 1608 | } |
| 1609 | } |
| 1610 | /* addi */ |
| 1611 | else if (((s3_inst.instruction & 0x2000000) == 0x02000000) && (s3_inst.relax_inst!=0x8000)) |
| 1612 | { |
| 1613 | /* rd : 0-16 ; imm <=0x7f (6 bit<<1)*/ |
| 1614 | if ((((s3_inst.instruction >> 20) & 0x10) != 0x10) |
| 1615 | && (((s3_inst.instruction & 0x1ffc0) == 0) |
| 1616 | || (((s3_inst.instruction & 0x1ffc0) == 0x1ffc0) |
| 1617 | && (s3_inst.instruction & 0x007e) != 0))) |
| 1618 | { |
| 1619 | s3_inst.relax_inst |= (s3_inst.instruction >> 1) & 0x3f; |
| 1620 | s3_inst.relax_inst |= (((s3_inst.instruction >> 20) & 0xf) << 6); |
| 1621 | s3_inst.relax_size = 2; |
| 1622 | } |
| 1623 | else |
| 1624 | { |
| 1625 | s3_inst.relax_inst =0x8000; |
| 1626 | } |
| 1627 | } |
| 1628 | |
| 1629 | else if (((s3_inst.instruction >> 20) & 0x10) == 0x10) |
| 1630 | { |
| 1631 | s3_inst.relax_inst = 0x8000; |
| 1632 | } |
| 1633 | } |
| 1634 | |
| 1635 | static void |
| 1636 | s3_do_ldis (char *str) |
| 1637 | { |
| 1638 | s3_skip_whitespace (str); |
| 1639 | |
| 1640 | if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 1641 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 1642 | || s3_data_op2 (&str, 1, _IMM16) == (int) s3_FAIL |
| 1643 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 1644 | return; |
| 1645 | } |
| 1646 | |
| 1647 | /* Handle subi/subi.c. */ |
| 1648 | static void |
| 1649 | s3_do_sub_rdsi16 (char *str) |
| 1650 | { |
| 1651 | s3_skip_whitespace (str); |
| 1652 | |
| 1653 | if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL |
| 1654 | && s3_skip_past_comma (&str) != (int) s3_FAIL |
| 1655 | && s3_data_op2 (&str, 1, _SIMM16_NEG) != (int) s3_FAIL) |
| 1656 | s3_end_of_line (str); |
| 1657 | } |
| 1658 | |
| 1659 | /* Handle subis/subis.c. */ |
| 1660 | static void |
| 1661 | s3_do_sub_rdi16 (char *str) |
| 1662 | { |
| 1663 | s3_skip_whitespace (str); |
| 1664 | |
| 1665 | if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL |
| 1666 | && s3_skip_past_comma (&str) != (int) s3_FAIL |
| 1667 | && s3_data_op2 (&str, 1, _IMM16_NEG) != (int) s3_FAIL) |
| 1668 | s3_end_of_line (str); |
| 1669 | } |
| 1670 | |
| 1671 | /* Handle addri/addri.c. */ |
| 1672 | static void |
| 1673 | s3_do_rdrssi14 (char *str) /* -(2^13)~((2^13)-1) */ |
| 1674 | { |
| 1675 | s3_skip_whitespace (str); |
| 1676 | |
| 1677 | if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL |
| 1678 | && s3_skip_past_comma (&str) != (int) s3_FAIL |
| 1679 | && s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) != (int) s3_FAIL |
| 1680 | && s3_skip_past_comma (&str) != (int) s3_FAIL) |
| 1681 | s3_data_op2 (&str, 1, _SIMM14); |
| 1682 | } |
| 1683 | |
| 1684 | /* Handle subri.c/subri. */ |
| 1685 | static void |
| 1686 | s3_do_sub_rdrssi14 (char *str) /* -(2^13)~((2^13)-1) */ |
| 1687 | { |
| 1688 | s3_skip_whitespace (str); |
| 1689 | |
| 1690 | if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL |
| 1691 | && s3_skip_past_comma (&str) != (int) s3_FAIL |
| 1692 | && s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) != (int) s3_FAIL |
| 1693 | && s3_skip_past_comma (&str) != (int) s3_FAIL |
| 1694 | && s3_data_op2 (&str, 1, _SIMM14_NEG) != (int) s3_FAIL) |
| 1695 | s3_end_of_line (str); |
| 1696 | } |
| 1697 | |
| 1698 | /* Handle bitclr.c/bitset.c/bittgl.c/slli.c/srai.c/srli.c/roli.c/rori.c/rolic.c. |
| 1699 | 0~((2^14)-1) */ |
| 1700 | static void |
| 1701 | s3_do_rdrsi5 (char *str) |
| 1702 | { |
| 1703 | s3_skip_whitespace (str); |
| 1704 | |
| 1705 | if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 1706 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 1707 | || s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 1708 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 1709 | || s3_data_op2 (&str, 10, _IMM5) == (int) s3_FAIL |
| 1710 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 1711 | return; |
| 1712 | |
| 1713 | if ((((s3_inst.instruction >> 20) & 0x1f) == ((s3_inst.instruction >> 15) & 0x1f)) |
| 1714 | && (s3_inst.relax_inst != 0x8000) && (((s3_inst.instruction >> 15) & 0x10) == 0)) |
| 1715 | { |
| 1716 | s3_inst.relax_inst |= (((s3_inst.instruction >> 10) & 0x1f) ) | (((s3_inst.instruction >> 15) & 0xf) << 5); |
| 1717 | s3_inst.relax_size = 2; |
| 1718 | } |
| 1719 | else |
| 1720 | s3_inst.relax_inst = 0x8000; |
| 1721 | } |
| 1722 | |
| 1723 | /* Handle andri/orri/andri.c/orri.c. |
| 1724 | 0 ~ ((2^14)-1) */ |
| 1725 | static void |
| 1726 | s3_do_rdrsi14 (char *str) |
| 1727 | { |
| 1728 | s3_skip_whitespace (str); |
| 1729 | |
| 1730 | if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL |
| 1731 | && s3_skip_past_comma (&str) != (int) s3_FAIL |
| 1732 | && s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) != (int) s3_FAIL |
| 1733 | && s3_skip_past_comma (&str) != (int) s3_FAIL |
| 1734 | && s3_data_op2 (&str, 1, _IMM14) != (int) s3_FAIL) |
| 1735 | s3_end_of_line (str); |
| 1736 | } |
| 1737 | |
| 1738 | /* Handle bittst.c. */ |
| 1739 | static void |
| 1740 | s3_do_xrsi5 (char *str) |
| 1741 | { |
| 1742 | s3_skip_whitespace (str); |
| 1743 | |
| 1744 | if (s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 1745 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 1746 | || s3_data_op2 (&str, 10, _IMM5) == (int) s3_FAIL |
| 1747 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 1748 | return; |
| 1749 | |
| 1750 | if ((s3_inst.relax_inst != 0x8000) && (((s3_inst.instruction >> 15) & 0x10) == 0)) |
| 1751 | { |
| 1752 | s3_inst.relax_inst |= ((s3_inst.instruction >> 10) & 0x1f) | (((s3_inst.instruction >> 15) & 0xf) << 5); |
| 1753 | s3_inst.relax_size = 2; |
| 1754 | } |
| 1755 | else |
| 1756 | s3_inst.relax_inst = 0x8000; |
| 1757 | } |
| 1758 | |
| 1759 | /* Handle addis/andi/ori/andis/oris/ldis. */ |
| 1760 | static void |
| 1761 | s3_do_rdi16 (char *str) |
| 1762 | { |
| 1763 | s3_skip_whitespace (str); |
| 1764 | |
| 1765 | if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 1766 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 1767 | || s3_data_op2 (&str, 1, _IMM16) == (int) s3_FAIL |
| 1768 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 1769 | return; |
| 1770 | |
| 1771 | /* ldis */ |
| 1772 | if ((s3_inst.instruction & 0x3e0e0000) == 0x0a0c0000) |
| 1773 | { |
| 1774 | /* rd : 0-16 ;imm =0 -> can transform to addi!*/ |
| 1775 | if ((((s3_inst.instruction >> 20) & 0x10) != 0x10) && ((s3_inst.instruction & 0x1ffff)==0)) |
| 1776 | { |
| 1777 | s3_inst.relax_inst =0x5400; /* ldiu! */ |
| 1778 | s3_inst.relax_inst |= (s3_inst.instruction >> 1) & 0x1f; |
| 1779 | s3_inst.relax_inst |= (((s3_inst.instruction >> 20) & 0xf) << 5); |
| 1780 | s3_inst.relax_size = 2; |
| 1781 | } |
| 1782 | else |
| 1783 | { |
| 1784 | s3_inst.relax_inst =0x8000; |
| 1785 | |
| 1786 | } |
| 1787 | } |
| 1788 | |
| 1789 | /* addis */ |
| 1790 | else if ((s3_inst.instruction & 0x3e0e0001) == 0x0a000000) |
| 1791 | { |
| 1792 | /* rd : 0-16 ;imm =0 -> can transform to addi!*/ |
| 1793 | if ((((s3_inst.instruction >> 20) & 0x10) != 0x10) && ((s3_inst.instruction & 0x1ffff)==0)) |
| 1794 | { |
| 1795 | s3_inst.relax_inst =0x5c00; /* addi! */ |
| 1796 | s3_inst.relax_inst |= (s3_inst.instruction >> 1) & 0x3f; |
| 1797 | s3_inst.relax_inst |= (((s3_inst.instruction >> 20) & 0xf) << 6); |
| 1798 | s3_inst.relax_size = 2; |
| 1799 | } |
| 1800 | else |
| 1801 | { |
| 1802 | s3_inst.relax_inst =0x8000; |
| 1803 | |
| 1804 | } |
| 1805 | } |
| 1806 | } |
| 1807 | |
| 1808 | static void |
| 1809 | s3_do_macro_rdi32hi (char *str) |
| 1810 | { |
| 1811 | s3_skip_whitespace (str); |
| 1812 | |
| 1813 | /* Do not handle s3_end_of_line(). */ |
| 1814 | if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL |
| 1815 | && s3_skip_past_comma (&str) != (int) s3_FAIL) |
| 1816 | s3_data_op2 (&str, 1, _VALUE_HI16); |
| 1817 | } |
| 1818 | |
| 1819 | static void |
| 1820 | s3_do_macro_rdi32lo (char *str) |
| 1821 | { |
| 1822 | s3_skip_whitespace (str); |
| 1823 | |
| 1824 | /* Do not handle s3_end_of_line(). */ |
| 1825 | if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL |
| 1826 | && s3_skip_past_comma (&str) != (int) s3_FAIL) |
| 1827 | s3_data_op2 (&str, 1, _VALUE_LO16); |
| 1828 | } |
| 1829 | |
| 1830 | /* Handle ldis_pic. */ |
| 1831 | static void |
| 1832 | s3_do_rdi16_pic (char *str) |
| 1833 | { |
| 1834 | s3_skip_whitespace (str); |
| 1835 | |
| 1836 | if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL |
| 1837 | && s3_skip_past_comma (&str) != (int) s3_FAIL |
| 1838 | && s3_data_op2 (&str, 1, _IMM16_pic) != (int) s3_FAIL) |
| 1839 | s3_end_of_line (str); |
| 1840 | } |
| 1841 | |
| 1842 | /* Handle addi_s_pic to generate R_SCORE_GOT_LO16 . */ |
| 1843 | static void |
| 1844 | s3_do_addi_s_pic (char *str) |
| 1845 | { |
| 1846 | s3_skip_whitespace (str); |
| 1847 | |
| 1848 | if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL |
| 1849 | && s3_skip_past_comma (&str) != (int) s3_FAIL |
| 1850 | && s3_data_op2 (&str, 1, _SIMM16_pic) != (int) s3_FAIL) |
| 1851 | s3_end_of_line (str); |
| 1852 | } |
| 1853 | |
| 1854 | /* Handle addi_u_pic to generate R_SCORE_GOT_LO16 . */ |
| 1855 | static void |
| 1856 | s3_do_addi_u_pic (char *str) |
| 1857 | { |
| 1858 | s3_skip_whitespace (str); |
| 1859 | |
| 1860 | if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL |
| 1861 | && s3_skip_past_comma (&str) != (int) s3_FAIL |
| 1862 | && s3_data_op2 (&str, 1, _IMM16_LO16_pic) != (int) s3_FAIL) |
| 1863 | s3_end_of_line (str); |
| 1864 | } |
| 1865 | |
| 1866 | /* Handle mfceh/mfcel/mtceh/mtchl. */ |
| 1867 | static void |
| 1868 | s3_do_rd (char *str) |
| 1869 | { |
| 1870 | s3_skip_whitespace (str); |
| 1871 | |
| 1872 | if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL) |
| 1873 | s3_end_of_line (str); |
| 1874 | } |
| 1875 | |
| 1876 | /* Handle br{cond},cmpzteq.c ,cmpztmi.c ,cmpz.c */ |
| 1877 | static void |
| 1878 | s3_do_rs (char *str) |
| 1879 | { |
| 1880 | s3_skip_whitespace (str); |
| 1881 | |
| 1882 | if (s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 1883 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 1884 | return; |
| 1885 | |
| 1886 | if ((s3_inst.relax_inst != 0x8000) ) |
| 1887 | { |
| 1888 | s3_inst.relax_inst |= ((s3_inst.instruction >> 15) &0x1f); |
| 1889 | s3_inst.relax_size = 2; |
| 1890 | } |
| 1891 | else |
| 1892 | s3_inst.relax_inst = 0x8000; |
| 1893 | } |
| 1894 | |
| 1895 | static void |
| 1896 | s3_do_i15 (char *str) |
| 1897 | { |
| 1898 | s3_skip_whitespace (str); |
| 1899 | |
| 1900 | if (s3_data_op2 (&str, 10, _IMM15) != (int) s3_FAIL) |
| 1901 | s3_end_of_line (str); |
| 1902 | } |
| 1903 | |
| 1904 | static void |
| 1905 | s3_do_xi5x (char *str) |
| 1906 | { |
| 1907 | s3_skip_whitespace (str); |
| 1908 | |
| 1909 | if (s3_data_op2 (&str, 15, _IMM5) == (int) s3_FAIL || s3_end_of_line (str) == (int) s3_FAIL) |
| 1910 | return; |
| 1911 | |
| 1912 | if (s3_inst.relax_inst != 0x8000) |
| 1913 | { |
| 1914 | s3_inst.relax_inst |= ((s3_inst.instruction >> 15) & 0x1f); |
| 1915 | s3_inst.relax_size = 2; |
| 1916 | } |
| 1917 | } |
| 1918 | |
| 1919 | static void |
| 1920 | s3_do_rdrs (char *str) |
| 1921 | { |
| 1922 | s3_skip_whitespace (str); |
| 1923 | |
| 1924 | if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 1925 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 1926 | || s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 1927 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 1928 | return; |
| 1929 | |
| 1930 | if (s3_inst.relax_inst != 0x8000) |
| 1931 | { |
| 1932 | if (((s3_inst.instruction & 0x7f) == 0x56)) /* adjust mv -> mv!*/ |
| 1933 | { |
| 1934 | /* mv! rd : 5bit , ra : 5bit */ |
| 1935 | s3_inst.relax_inst |= ((s3_inst.instruction >> 15) & 0x1f) | (((s3_inst.instruction >> 20) & 0x1f) << 5); |
| 1936 | s3_inst.relax_size = 2; |
| 1937 | } |
| 1938 | else if ((((s3_inst.instruction >> 15) & 0x10) == 0x0) && (((s3_inst.instruction >> 20) & 0x10) == 0)) |
| 1939 | { |
| 1940 | s3_inst.relax_inst |= (((s3_inst.instruction >> 15) & 0xf) << 4) |
| 1941 | | (((s3_inst.instruction >> 20) & 0xf) << 8); |
| 1942 | s3_inst.relax_size = 2; |
| 1943 | } |
| 1944 | else |
| 1945 | { |
| 1946 | s3_inst.relax_inst = 0x8000; |
| 1947 | } |
| 1948 | } |
| 1949 | } |
| 1950 | |
| 1951 | /* Handle mfcr/mtcr. */ |
| 1952 | static void |
| 1953 | s3_do_rdcrs (char *str) |
| 1954 | { |
| 1955 | s3_skip_whitespace (str); |
| 1956 | |
| 1957 | if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL |
| 1958 | && s3_skip_past_comma (&str) != (int) s3_FAIL |
| 1959 | && s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE_CR) != (int) s3_FAIL) |
| 1960 | s3_end_of_line (str); |
| 1961 | } |
| 1962 | |
| 1963 | /* Handle mfsr/mtsr. */ |
| 1964 | static void |
| 1965 | s3_do_rdsrs (char *str) |
| 1966 | { |
| 1967 | s3_skip_whitespace (str); |
| 1968 | |
| 1969 | /* mfsr */ |
| 1970 | if ((s3_inst.instruction & 0xff) == 0x50) |
| 1971 | { |
| 1972 | if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) != (int) s3_FAIL |
| 1973 | && s3_skip_past_comma (&str) != (int) s3_FAIL |
| 1974 | && s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE_SR) != (int) s3_FAIL) |
| 1975 | s3_end_of_line (str); |
| 1976 | } |
| 1977 | else |
| 1978 | { |
| 1979 | if (s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) != (int) s3_FAIL |
| 1980 | && s3_skip_past_comma (&str) != (int) s3_FAIL) |
| 1981 | s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE_SR); |
| 1982 | } |
| 1983 | } |
| 1984 | |
| 1985 | /* Handle neg. */ |
| 1986 | static void |
| 1987 | s3_do_rdxrs (char *str) |
| 1988 | { |
| 1989 | s3_skip_whitespace (str); |
| 1990 | |
| 1991 | if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 1992 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 1993 | || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 1994 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 1995 | return; |
| 1996 | |
| 1997 | if ((s3_inst.relax_inst != 0x8000) && (((s3_inst.instruction >> 10) & 0x10) == 0) |
| 1998 | && (((s3_inst.instruction >> 20) & 0x10) == 0)) |
| 1999 | { |
| 2000 | s3_inst.relax_inst |= (((s3_inst.instruction >> 10) & 0xf) << 4) | (((s3_inst.instruction >> 20) & 0xf) << 8); |
| 2001 | s3_inst.relax_size = 2; |
| 2002 | } |
| 2003 | else |
| 2004 | s3_inst.relax_inst = 0x8000; |
| 2005 | } |
| 2006 | |
| 2007 | /* Handle cmp.c/cmp<cond>. */ |
| 2008 | static void |
| 2009 | s3_do_rsrs (char *str) |
| 2010 | { |
| 2011 | s3_skip_whitespace (str); |
| 2012 | |
| 2013 | if (s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 2014 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 2015 | || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 2016 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 2017 | return; |
| 2018 | |
| 2019 | if ((s3_inst.relax_inst != 0x8000) && (((s3_inst.instruction >> 20) & 0x1f) == 3) ) |
| 2020 | { |
| 2021 | s3_inst.relax_inst |= (((s3_inst.instruction >> 10) & 0x1f)) | (((s3_inst.instruction >> 15) & 0x1f) << 5); |
| 2022 | s3_inst.relax_size = 2; |
| 2023 | } |
| 2024 | else |
| 2025 | s3_inst.relax_inst = 0x8000; |
| 2026 | } |
| 2027 | |
| 2028 | static void |
| 2029 | s3_do_ceinst (char *str) |
| 2030 | { |
| 2031 | char *strbak; |
| 2032 | |
| 2033 | strbak = str; |
| 2034 | s3_skip_whitespace (str); |
| 2035 | |
| 2036 | if (s3_data_op2 (&str, 20, _IMM5) == (int) s3_FAIL |
| 2037 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 2038 | || s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 2039 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 2040 | || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 2041 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 2042 | || s3_data_op2 (&str, 5, _IMM5) == (int) s3_FAIL |
| 2043 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 2044 | || s3_data_op2 (&str, 0, _IMM5) == (int) s3_FAIL |
| 2045 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 2046 | { |
| 2047 | return; |
| 2048 | } |
| 2049 | else |
| 2050 | { |
| 2051 | str = strbak; |
| 2052 | if (s3_data_op2 (&str, 0, _IMM25) == (int) s3_FAIL) |
| 2053 | return; |
| 2054 | } |
| 2055 | } |
| 2056 | |
| 2057 | static int |
| 2058 | s3_reglow_required_here (char **str, int shift) |
| 2059 | { |
| 2060 | static char buff[s3_MAX_LITERAL_POOL_SIZE]; |
| 2061 | int reg; |
| 2062 | char *start = *str; |
| 2063 | |
| 2064 | if ((reg = s3_score_reg_parse (str, s3_all_reg_maps[s3_REG_TYPE_SCORE].htab)) != (int) s3_FAIL) |
| 2065 | { |
| 2066 | if ((reg == 1) && (s3_nor1 == 1) && (s3_inst.bwarn == 0)) |
| 2067 | { |
| 2068 | as_warn (_("Using temp register(r1)")); |
| 2069 | s3_inst.bwarn = 1; |
| 2070 | } |
| 2071 | if (reg < 16) |
| 2072 | { |
| 2073 | if (shift >= 0) |
| 2074 | s3_inst.instruction |= (bfd_vma) reg << shift; |
| 2075 | |
| 2076 | return reg; |
| 2077 | } |
| 2078 | } |
| 2079 | |
| 2080 | /* Restore the start point, we may have got a reg of the wrong class. */ |
| 2081 | *str = start; |
| 2082 | sprintf (buff, _("low register(r0-r15)expected, not '%.100s'"), start); |
| 2083 | s3_inst.error = buff; |
| 2084 | return (int) s3_FAIL; |
| 2085 | } |
| 2086 | |
| 2087 | /* Handle add!/and!/or!/sub!. */ |
| 2088 | static void |
| 2089 | s3_do16_rdrs2 (char *str) |
| 2090 | { |
| 2091 | s3_skip_whitespace (str); |
| 2092 | |
| 2093 | if (s3_reglow_required_here (&str, 4) == (int) s3_FAIL |
| 2094 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 2095 | || s3_reglow_required_here (&str, 0) == (int) s3_FAIL |
| 2096 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 2097 | { |
| 2098 | return; |
| 2099 | } |
| 2100 | } |
| 2101 | |
| 2102 | /* Handle br!/brl!. */ |
| 2103 | static void |
| 2104 | s3_do16_br (char *str) |
| 2105 | { |
| 2106 | s3_skip_whitespace (str); |
| 2107 | |
| 2108 | if (s3_reg_required_here (&str, 0, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 2109 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 2110 | { |
| 2111 | return; |
| 2112 | } |
| 2113 | } |
| 2114 | |
| 2115 | /* Handle brr!. */ |
| 2116 | static void |
| 2117 | s3_do16_brr (char *str) |
| 2118 | { |
| 2119 | int rd = 0; |
| 2120 | |
| 2121 | s3_skip_whitespace (str); |
| 2122 | |
| 2123 | if ((rd = s3_reg_required_here (&str, 0,s3_REG_TYPE_SCORE)) == (int) s3_FAIL |
| 2124 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 2125 | { |
| 2126 | return; |
| 2127 | } |
| 2128 | } |
| 2129 | |
| 2130 | /*Handle ltbw / ltbh / ltbb */ |
| 2131 | static void |
| 2132 | s3_do_ltb (char *str) |
| 2133 | { |
| 2134 | s3_skip_whitespace (str); |
| 2135 | if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 2136 | || s3_skip_past_comma (&str) == (int) s3_FAIL) |
| 2137 | { |
| 2138 | return; |
| 2139 | } |
| 2140 | |
| 2141 | s3_skip_whitespace (str); |
| 2142 | if (*str++ != '[') |
| 2143 | { |
| 2144 | s3_inst.error = _("missing ["); |
| 2145 | return; |
| 2146 | } |
| 2147 | |
| 2148 | if (s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 2149 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 2150 | || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE) == (int) s3_FAIL) |
| 2151 | { |
| 2152 | return; |
| 2153 | } |
| 2154 | |
| 2155 | s3_skip_whitespace (str); |
| 2156 | if (*str++ != ']') |
| 2157 | { |
| 2158 | s3_inst.error = _("missing ]"); |
| 2159 | return; |
| 2160 | } |
| 2161 | } |
| 2162 | |
| 2163 | /* We need to be able to fix up arbitrary expressions in some statements. |
| 2164 | This is so that we can handle symbols that are an arbitrary distance from |
| 2165 | the pc. The most common cases are of the form ((+/-sym -/+ . - 8) & mask), |
| 2166 | which returns part of an address in a form which will be valid for |
| 2167 | a data instruction. We do this by pushing the expression into a symbol |
| 2168 | in the expr_section, and creating a fix for that. */ |
| 2169 | static fixS * |
| 2170 | s3_fix_new_score (fragS * frag, int where, short int size, expressionS * exp, int pc_rel, int reloc) |
| 2171 | { |
| 2172 | fixS *new_fix; |
| 2173 | |
| 2174 | switch (exp->X_op) |
| 2175 | { |
| 2176 | case O_constant: |
| 2177 | case O_symbol: |
| 2178 | case O_add: |
| 2179 | case O_subtract: |
| 2180 | new_fix = fix_new_exp (frag, where, size, exp, pc_rel, reloc); |
| 2181 | break; |
| 2182 | default: |
| 2183 | new_fix = fix_new (frag, where, size, make_expr_symbol (exp), 0, pc_rel, reloc); |
| 2184 | break; |
| 2185 | } |
| 2186 | return new_fix; |
| 2187 | } |
| 2188 | |
| 2189 | static void |
| 2190 | s3_init_dependency_vector (void) |
| 2191 | { |
| 2192 | int i; |
| 2193 | |
| 2194 | for (i = 0; i < s3_vector_size; i++) |
| 2195 | memset (&s3_dependency_vector[i], '\0', sizeof (s3_dependency_vector[i])); |
| 2196 | |
| 2197 | return; |
| 2198 | } |
| 2199 | |
| 2200 | static enum s3_insn_type_for_dependency |
| 2201 | s3_dependency_type_from_insn (char *insn_name) |
| 2202 | { |
| 2203 | char name[s3_INSN_NAME_LEN]; |
| 2204 | const struct s3_insn_to_dependency *tmp; |
| 2205 | |
| 2206 | strcpy (name, insn_name); |
| 2207 | tmp = (const struct s3_insn_to_dependency *) hash_find (s3_dependency_insn_hsh, name); |
| 2208 | |
| 2209 | if (tmp) |
| 2210 | return tmp->type; |
| 2211 | |
| 2212 | return s3_D_all_insn; |
| 2213 | } |
| 2214 | |
| 2215 | static int |
| 2216 | s3_check_dependency (char *pre_insn, char *pre_reg, |
| 2217 | char *cur_insn, char *cur_reg, int *warn_or_error) |
| 2218 | { |
| 2219 | int bubbles = 0; |
| 2220 | unsigned int i; |
| 2221 | enum s3_insn_type_for_dependency pre_insn_type; |
| 2222 | enum s3_insn_type_for_dependency cur_insn_type; |
| 2223 | |
| 2224 | pre_insn_type = s3_dependency_type_from_insn (pre_insn); |
| 2225 | cur_insn_type = s3_dependency_type_from_insn (cur_insn); |
| 2226 | |
| 2227 | for (i = 0; i < sizeof (s3_data_dependency_table) / sizeof (s3_data_dependency_table[0]); i++) |
| 2228 | { |
| 2229 | if ((pre_insn_type == s3_data_dependency_table[i].pre_insn_type) |
| 2230 | && (s3_D_all_insn == s3_data_dependency_table[i].cur_insn_type |
| 2231 | || cur_insn_type == s3_data_dependency_table[i].cur_insn_type) |
| 2232 | && (strcmp (s3_data_dependency_table[i].pre_reg, "") == 0 |
| 2233 | || strcmp (s3_data_dependency_table[i].pre_reg, pre_reg) == 0) |
| 2234 | && (strcmp (s3_data_dependency_table[i].cur_reg, "") == 0 |
| 2235 | || strcmp (s3_data_dependency_table[i].cur_reg, cur_reg) == 0)) |
| 2236 | { |
| 2237 | bubbles = s3_data_dependency_table[i].bubblenum_3; |
| 2238 | *warn_or_error = s3_data_dependency_table[i].warn_or_error; |
| 2239 | break; |
| 2240 | } |
| 2241 | } |
| 2242 | |
| 2243 | return bubbles; |
| 2244 | } |
| 2245 | |
| 2246 | static void |
| 2247 | s3_build_one_frag (struct s3_score_it one_inst) |
| 2248 | { |
| 2249 | char *p; |
| 2250 | int relaxable_p = s3_g_opt; |
| 2251 | int relax_size = 0; |
| 2252 | |
| 2253 | /* Start a new frag if frag_now is not empty. */ |
| 2254 | if (frag_now_fix () != 0) |
| 2255 | { |
| 2256 | if (!frag_now->tc_frag_data.is_insn) |
| 2257 | frag_wane (frag_now); |
| 2258 | |
| 2259 | frag_new (0); |
| 2260 | } |
| 2261 | frag_grow (20); |
| 2262 | |
| 2263 | p = frag_more (one_inst.size); |
| 2264 | s3_md_number_to_chars (p, one_inst.instruction, one_inst.size); |
| 2265 | |
| 2266 | #ifdef OBJ_ELF |
| 2267 | dwarf2_emit_insn (one_inst.size); |
| 2268 | #endif |
| 2269 | |
| 2270 | relaxable_p &= (one_inst.relax_size != 0); |
| 2271 | relax_size = relaxable_p ? one_inst.relax_size : 0; |
| 2272 | |
| 2273 | p = frag_var (rs_machine_dependent, relax_size + s3_RELAX_PAD_BYTE, 0, |
| 2274 | s3_RELAX_ENCODE (one_inst.size, one_inst.relax_size, |
| 2275 | one_inst.type, 0, 0, relaxable_p), |
| 2276 | NULL, 0, NULL); |
| 2277 | |
| 2278 | if (relaxable_p) |
| 2279 | s3_md_number_to_chars (p, one_inst.relax_inst, relax_size); |
| 2280 | } |
| 2281 | |
| 2282 | static void |
| 2283 | s3_handle_dependency (struct s3_score_it *theinst) |
| 2284 | { |
| 2285 | int i; |
| 2286 | int warn_or_error = 0; /* warn - 0; error - 1 */ |
| 2287 | int bubbles = 0; |
| 2288 | int remainder_bubbles = 0; |
| 2289 | char cur_insn[s3_INSN_NAME_LEN]; |
| 2290 | char pre_insn[s3_INSN_NAME_LEN]; |
| 2291 | struct s3_score_it nop_inst; |
| 2292 | struct s3_score_it pflush_inst; |
| 2293 | |
| 2294 | nop_inst.instruction = 0x0000; |
| 2295 | nop_inst.size = 2; |
| 2296 | nop_inst.relax_inst = 0x80008000; |
| 2297 | nop_inst.relax_size = 4; |
| 2298 | nop_inst.type = NO16_OPD; |
| 2299 | |
| 2300 | pflush_inst.instruction = 0x8000800a; |
| 2301 | pflush_inst.size = 4; |
| 2302 | pflush_inst.relax_inst = 0x8000; |
| 2303 | pflush_inst.relax_size = 0; |
| 2304 | pflush_inst.type = NO_OPD; |
| 2305 | |
| 2306 | /* pflush will clear all data dependency. */ |
| 2307 | if (strcmp (theinst->name, "pflush") == 0) |
| 2308 | { |
| 2309 | s3_init_dependency_vector (); |
| 2310 | return; |
| 2311 | } |
| 2312 | |
| 2313 | /* Push current instruction to s3_dependency_vector[0]. */ |
| 2314 | for (i = s3_vector_size - 1; i > 0; i--) |
| 2315 | memcpy (&s3_dependency_vector[i], &s3_dependency_vector[i - 1], sizeof (s3_dependency_vector[i])); |
| 2316 | |
| 2317 | memcpy (&s3_dependency_vector[0], theinst, sizeof (s3_dependency_vector[i])); |
| 2318 | |
| 2319 | /* There is no dependency between nop and any instruction. */ |
| 2320 | if (strcmp (s3_dependency_vector[0].name, "nop") == 0 |
| 2321 | || strcmp (s3_dependency_vector[0].name, "nop!") == 0) |
| 2322 | return; |
| 2323 | |
| 2324 | strcpy (cur_insn, s3_dependency_vector[0].name); |
| 2325 | |
| 2326 | for (i = 1; i < s3_vector_size; i++) |
| 2327 | { |
| 2328 | /* The element of s3_dependency_vector is NULL. */ |
| 2329 | if (s3_dependency_vector[i].name[0] == '\0') |
| 2330 | continue; |
| 2331 | |
| 2332 | strcpy (pre_insn, s3_dependency_vector[i].name); |
| 2333 | |
| 2334 | bubbles = s3_check_dependency (pre_insn, s3_dependency_vector[i].reg, |
| 2335 | cur_insn, s3_dependency_vector[0].reg, &warn_or_error); |
| 2336 | remainder_bubbles = bubbles - i + 1; |
| 2337 | |
| 2338 | if (remainder_bubbles > 0) |
| 2339 | { |
| 2340 | int j; |
| 2341 | |
| 2342 | if (s3_fix_data_dependency == 1) |
| 2343 | { |
| 2344 | if (remainder_bubbles <= 2) |
| 2345 | { |
| 2346 | if (s3_warn_fix_data_dependency) |
| 2347 | as_warn (_("Fix data dependency: %s %s -- %s %s (insert %d nop!/%d)"), |
| 2348 | s3_dependency_vector[i].name, s3_dependency_vector[i].reg, |
| 2349 | s3_dependency_vector[0].name, s3_dependency_vector[0].reg, |
| 2350 | remainder_bubbles, bubbles); |
| 2351 | |
| 2352 | for (j = (s3_vector_size - 1); (j - remainder_bubbles) > 0; j--) |
| 2353 | memcpy (&s3_dependency_vector[j], &s3_dependency_vector[j - remainder_bubbles], |
| 2354 | sizeof (s3_dependency_vector[j])); |
| 2355 | |
| 2356 | for (j = 1; j <= remainder_bubbles; j++) |
| 2357 | { |
| 2358 | memset (&s3_dependency_vector[j], '\0', sizeof (s3_dependency_vector[j])); |
| 2359 | /* Insert nop!. */ |
| 2360 | s3_build_one_frag (nop_inst); |
| 2361 | } |
| 2362 | } |
| 2363 | else |
| 2364 | { |
| 2365 | if (s3_warn_fix_data_dependency) |
| 2366 | as_warn (_("Fix data dependency: %s %s -- %s %s (insert 1 pflush/%d)"), |
| 2367 | s3_dependency_vector[i].name, s3_dependency_vector[i].reg, |
| 2368 | s3_dependency_vector[0].name, s3_dependency_vector[0].reg, |
| 2369 | bubbles); |
| 2370 | |
| 2371 | for (j = 1; j < s3_vector_size; j++) |
| 2372 | memset (&s3_dependency_vector[j], '\0', sizeof (s3_dependency_vector[j])); |
| 2373 | |
| 2374 | /* Insert pflush. */ |
| 2375 | s3_build_one_frag (pflush_inst); |
| 2376 | } |
| 2377 | } |
| 2378 | else |
| 2379 | { |
| 2380 | if (warn_or_error) |
| 2381 | { |
| 2382 | as_bad (_("data dependency: %s %s -- %s %s (%d/%d bubble)"), |
| 2383 | s3_dependency_vector[i].name, s3_dependency_vector[i].reg, |
| 2384 | s3_dependency_vector[0].name, s3_dependency_vector[0].reg, |
| 2385 | remainder_bubbles, bubbles); |
| 2386 | } |
| 2387 | else |
| 2388 | { |
| 2389 | as_warn (_("data dependency: %s %s -- %s %s (%d/%d bubble)"), |
| 2390 | s3_dependency_vector[i].name, s3_dependency_vector[i].reg, |
| 2391 | s3_dependency_vector[0].name, s3_dependency_vector[0].reg, |
| 2392 | remainder_bubbles, bubbles); |
| 2393 | } |
| 2394 | } |
| 2395 | } |
| 2396 | } |
| 2397 | } |
| 2398 | |
| 2399 | static enum insn_class |
| 2400 | s3_get_insn_class_from_type (enum score_insn_type type) |
| 2401 | { |
| 2402 | enum insn_class retval = (int) s3_FAIL; |
| 2403 | |
| 2404 | switch (type) |
| 2405 | { |
| 2406 | case Rd_I4: |
| 2407 | case Rd_I5: |
| 2408 | case Rd_rvalueBP_I5: |
| 2409 | case Rd_lvalueBP_I5: |
| 2410 | case Rd_I8: |
| 2411 | case PC_DISP8div2: |
| 2412 | case PC_DISP11div2: |
| 2413 | case Rd_Rs: |
| 2414 | case Rd_HighRs: |
| 2415 | case Rd_lvalueRs: |
| 2416 | case Rd_rvalueRs: |
| 2417 | case x_Rs: |
| 2418 | case Rd_LowRs: |
| 2419 | case NO16_OPD: |
| 2420 | case Rd_SI5: |
| 2421 | case Rd_SI6: |
| 2422 | retval = INSN_CLASS_16; |
| 2423 | break; |
| 2424 | case Rd_Rs_I5: |
| 2425 | case x_Rs_I5: |
| 2426 | case x_I5_x: |
| 2427 | case Rd_Rs_I14: |
| 2428 | case I15: |
| 2429 | case Rd_I16: |
| 2430 | case Rd_SI16: |
| 2431 | case Rd_rvalueRs_SI10: |
| 2432 | case Rd_lvalueRs_SI10: |
| 2433 | case Rd_rvalueRs_preSI12: |
| 2434 | case Rd_rvalueRs_postSI12: |
| 2435 | case Rd_lvalueRs_preSI12: |
| 2436 | case Rd_lvalueRs_postSI12: |
| 2437 | case Rd_Rs_SI14: |
| 2438 | case Rd_rvalueRs_SI15: |
| 2439 | case Rd_lvalueRs_SI15: |
| 2440 | case PC_DISP19div2: |
| 2441 | case PC_DISP24div2: |
| 2442 | case Rd_Rs_Rs: |
| 2443 | case x_Rs_x: |
| 2444 | case x_Rs_Rs: |
| 2445 | case Rd_Rs_x: |
| 2446 | case Rd_x_Rs: |
| 2447 | case Rd_x_x: |
| 2448 | case OP5_rvalueRs_SI15: |
| 2449 | case I5_Rs_Rs_I5_OP5: |
| 2450 | case x_rvalueRs_post4: |
| 2451 | case Rd_rvalueRs_post4: |
| 2452 | case Rd_x_I5: |
| 2453 | case Rd_lvalueRs_post4: |
| 2454 | case x_lvalueRs_post4: |
| 2455 | case Rd_Rs_Rs_imm: |
| 2456 | case NO_OPD: |
| 2457 | case Rd_lvalue32Rs: |
| 2458 | case Rd_rvalue32Rs: |
| 2459 | case Insn_GP: |
| 2460 | case Insn_PIC: |
| 2461 | case Insn_internal: |
| 2462 | case Insn_BCMP: |
| 2463 | case Ra_I9_I5: |
| 2464 | retval = INSN_CLASS_32; |
| 2465 | break; |
| 2466 | case Insn_Type_PCE: |
| 2467 | retval = INSN_CLASS_PCE; |
| 2468 | break; |
| 2469 | case Insn_Type_SYN: |
| 2470 | retval = INSN_CLASS_SYN; |
| 2471 | break; |
| 2472 | case Rd_I30: |
| 2473 | case Rd_I32: |
| 2474 | retval = INSN_CLASS_48; |
| 2475 | break; |
| 2476 | default: |
| 2477 | abort (); |
| 2478 | break; |
| 2479 | } |
| 2480 | return retval; |
| 2481 | } |
| 2482 | |
| 2483 | /* Type of p-bits: |
| 2484 | 48-bit instruction: 1, 1, 0. |
| 2485 | 32-bit instruction: 1, 0. |
| 2486 | 16-bit instruction: 0. */ |
| 2487 | static bfd_vma |
| 2488 | s3_adjust_paritybit (bfd_vma m_code, enum insn_class i_class) |
| 2489 | { |
| 2490 | bfd_vma result = 0; |
| 2491 | bfd_vma m_code_high = 0; |
| 2492 | unsigned long m_code_middle = 0; |
| 2493 | unsigned long m_code_low = 0; |
| 2494 | bfd_vma pb_high = 0; |
| 2495 | unsigned long pb_middle = 0; |
| 2496 | unsigned long pb_low = 0; |
| 2497 | |
| 2498 | if (i_class == INSN_CLASS_48) |
| 2499 | { |
| 2500 | pb_high = 0x800000000000LL; |
| 2501 | pb_middle = 0x80000000; |
| 2502 | pb_low = 0x00000000; |
| 2503 | m_code_high = m_code & 0x1fffc0000000LL; |
| 2504 | m_code_middle = m_code & 0x3fff8000; |
| 2505 | m_code_low = m_code & 0x00007fff; |
| 2506 | result = pb_high | (m_code_high << 2) | |
| 2507 | pb_middle | (m_code_middle << 1) | |
| 2508 | pb_low | m_code_low; |
| 2509 | } |
| 2510 | else if (i_class == INSN_CLASS_32 || i_class == INSN_CLASS_SYN) |
| 2511 | { |
| 2512 | pb_high = 0x80000000; |
| 2513 | pb_low = 0x00000000; |
| 2514 | m_code_high = m_code & 0x3fff8000; |
| 2515 | m_code_low = m_code & 0x00007fff; |
| 2516 | result = pb_high | (m_code_high << 1) | pb_low | m_code_low; |
| 2517 | } |
| 2518 | else if (i_class == INSN_CLASS_16) |
| 2519 | { |
| 2520 | pb_high = 0; |
| 2521 | pb_low = 0; |
| 2522 | m_code_high = m_code & 0x3fff8000; |
| 2523 | m_code_low = m_code & 0x00007fff; |
| 2524 | result = pb_high | (m_code_high << 1) | pb_low | m_code_low; |
| 2525 | } |
| 2526 | else if (i_class == INSN_CLASS_PCE) |
| 2527 | { |
| 2528 | /* Keep original. */ |
| 2529 | pb_high = 0; |
| 2530 | pb_low = 0x00008000; |
| 2531 | m_code_high = m_code & 0x3fff8000; |
| 2532 | m_code_low = m_code & 0x00007fff; |
| 2533 | result = pb_high | (m_code_high << 1) | pb_low | m_code_low; |
| 2534 | } |
| 2535 | else |
| 2536 | { |
| 2537 | abort (); |
| 2538 | } |
| 2539 | |
| 2540 | return result; |
| 2541 | } |
| 2542 | |
| 2543 | static void |
| 2544 | s3_gen_insn_frag (struct s3_score_it *part_1, struct s3_score_it *part_2) |
| 2545 | { |
| 2546 | char *p; |
| 2547 | bfd_boolean pce_p = FALSE; |
| 2548 | int relaxable_p = s3_g_opt; |
| 2549 | int relax_size = 0; |
| 2550 | struct s3_score_it *inst1 = part_1; |
| 2551 | struct s3_score_it *inst2 = part_2; |
| 2552 | struct s3_score_it backup_inst1; |
| 2553 | |
| 2554 | pce_p = (inst2) ? TRUE : FALSE; |
| 2555 | memcpy (&backup_inst1, inst1, sizeof (struct s3_score_it)); |
| 2556 | |
| 2557 | /* Adjust instruction opcode and to be relaxed instruction opcode. */ |
| 2558 | if (pce_p) |
| 2559 | { |
| 2560 | backup_inst1.instruction = ((backup_inst1.instruction & 0x7FFF) << 15) |
| 2561 | | (inst2->instruction & 0x7FFF); |
| 2562 | backup_inst1.instruction = s3_adjust_paritybit (backup_inst1.instruction, INSN_CLASS_PCE); |
| 2563 | backup_inst1.relax_inst = 0x8000; |
| 2564 | backup_inst1.size = s3_INSN_SIZE; |
| 2565 | backup_inst1.relax_size = 0; |
| 2566 | backup_inst1.type = Insn_Type_PCE; |
| 2567 | } |
| 2568 | else |
| 2569 | { |
| 2570 | backup_inst1.instruction = s3_adjust_paritybit (backup_inst1.instruction, |
| 2571 | s3_GET_INSN_CLASS (backup_inst1.type)); |
| 2572 | } |
| 2573 | |
| 2574 | if (backup_inst1.relax_size != 0) |
| 2575 | { |
| 2576 | enum insn_class tmp; |
| 2577 | |
| 2578 | tmp = (backup_inst1.size == s3_INSN_SIZE) ? INSN_CLASS_16 : INSN_CLASS_32; |
| 2579 | backup_inst1.relax_inst = s3_adjust_paritybit (backup_inst1.relax_inst, tmp); |
| 2580 | } |
| 2581 | |
| 2582 | /* Check data dependency. */ |
| 2583 | s3_handle_dependency (&backup_inst1); |
| 2584 | |
| 2585 | /* Start a new frag if frag_now is not empty and is not instruction frag, maybe it contains |
| 2586 | data produced by .ascii etc. Doing this is to make one instruction per frag. */ |
| 2587 | if (frag_now_fix () != 0) |
| 2588 | { |
| 2589 | if (!frag_now->tc_frag_data.is_insn) |
| 2590 | frag_wane (frag_now); |
| 2591 | |
| 2592 | frag_new (0); |
| 2593 | } |
| 2594 | |
| 2595 | /* Here, we must call frag_grow in order to keep the instruction frag type is |
| 2596 | rs_machine_dependent. |
| 2597 | For, frag_var may change frag_now->fr_type to rs_fill by calling frag_grow which |
| 2598 | acturally will call frag_wane. |
| 2599 | Calling frag_grow first will create a new frag_now which free size is 20 that is enough |
| 2600 | for frag_var. */ |
| 2601 | frag_grow (20); |
| 2602 | |
| 2603 | p = frag_more (backup_inst1.size); |
| 2604 | s3_md_number_to_chars (p, backup_inst1.instruction, backup_inst1.size); |
| 2605 | |
| 2606 | #ifdef OBJ_ELF |
| 2607 | dwarf2_emit_insn (backup_inst1.size); |
| 2608 | #endif |
| 2609 | |
| 2610 | /* Generate fixup structure. */ |
| 2611 | if (pce_p) |
| 2612 | { |
| 2613 | if (inst1->reloc.type != BFD_RELOC_NONE) |
| 2614 | s3_fix_new_score (frag_now, p - frag_now->fr_literal, |
| 2615 | inst1->size, &inst1->reloc.exp, |
| 2616 | inst1->reloc.pc_rel, inst1->reloc.type); |
| 2617 | |
| 2618 | if (inst2->reloc.type != BFD_RELOC_NONE) |
| 2619 | s3_fix_new_score (frag_now, p - frag_now->fr_literal + 2, |
| 2620 | inst2->size, &inst2->reloc.exp, inst2->reloc.pc_rel, inst2->reloc.type); |
| 2621 | } |
| 2622 | else |
| 2623 | { |
| 2624 | if (backup_inst1.reloc.type != BFD_RELOC_NONE) |
| 2625 | s3_fix_new_score (frag_now, p - frag_now->fr_literal, |
| 2626 | backup_inst1.size, &backup_inst1.reloc.exp, |
| 2627 | backup_inst1.reloc.pc_rel, backup_inst1.reloc.type); |
| 2628 | } |
| 2629 | |
| 2630 | /* relax_size may be 2, 4, 12 or 0, 0 indicates no relaxation. */ |
| 2631 | relaxable_p &= (backup_inst1.relax_size != 0); |
| 2632 | relax_size = relaxable_p ? backup_inst1.relax_size : 0; |
| 2633 | |
| 2634 | p = frag_var (rs_machine_dependent, relax_size + s3_RELAX_PAD_BYTE, 0, |
| 2635 | s3_RELAX_ENCODE (backup_inst1.size, backup_inst1.relax_size, |
| 2636 | backup_inst1.type, 0, 0, relaxable_p), |
| 2637 | backup_inst1.reloc.exp.X_add_symbol, 0, NULL); |
| 2638 | |
| 2639 | if (relaxable_p) |
| 2640 | s3_md_number_to_chars (p, backup_inst1.relax_inst, relax_size); |
| 2641 | |
| 2642 | memcpy (inst1, &backup_inst1, sizeof (struct s3_score_it)); |
| 2643 | } |
| 2644 | |
| 2645 | static void |
| 2646 | s3_parse_16_32_inst (char *insnstr, bfd_boolean gen_frag_p) |
| 2647 | { |
| 2648 | char c; |
| 2649 | char *p; |
| 2650 | char *operator = insnstr; |
| 2651 | const struct s3_asm_opcode *opcode; |
| 2652 | |
| 2653 | /* Parse operator and operands. */ |
| 2654 | s3_skip_whitespace (operator); |
| 2655 | |
| 2656 | for (p = operator; *p != '\0'; p++) |
| 2657 | if ((*p == ' ') || (*p == '!')) |
| 2658 | break; |
| 2659 | |
| 2660 | if (*p == '!') |
| 2661 | p++; |
| 2662 | |
| 2663 | c = *p; |
| 2664 | *p = '\0'; |
| 2665 | |
| 2666 | opcode = (const struct s3_asm_opcode *) hash_find (s3_score_ops_hsh, operator); |
| 2667 | *p = c; |
| 2668 | |
| 2669 | memset (&s3_inst, '\0', sizeof (s3_inst)); |
| 2670 | sprintf (s3_inst.str, "%s", insnstr); |
| 2671 | if (opcode) |
| 2672 | { |
| 2673 | s3_inst.instruction = opcode->value; |
| 2674 | s3_inst.relax_inst = opcode->relax_value; |
| 2675 | s3_inst.type = opcode->type; |
| 2676 | s3_inst.size = s3_GET_INSN_SIZE (s3_inst.type); |
| 2677 | s3_inst.relax_size = 0; |
| 2678 | s3_inst.bwarn = 0; |
| 2679 | sprintf (s3_inst.name, "%s", opcode->template_name); |
| 2680 | strcpy (s3_inst.reg, ""); |
| 2681 | s3_inst.error = NULL; |
| 2682 | s3_inst.reloc.type = BFD_RELOC_NONE; |
| 2683 | |
| 2684 | (*opcode->parms) (p); |
| 2685 | |
| 2686 | /* It indicates current instruction is a macro instruction if s3_inst.bwarn equals -1. */ |
| 2687 | if ((s3_inst.bwarn != -1) && (!s3_inst.error) && (gen_frag_p)) |
| 2688 | s3_gen_insn_frag (&s3_inst, NULL); |
| 2689 | } |
| 2690 | else |
| 2691 | s3_inst.error = _("unrecognized opcode"); |
| 2692 | } |
| 2693 | |
| 2694 | static void |
| 2695 | s3_parse_48_inst (char *insnstr, bfd_boolean gen_frag_p) |
| 2696 | { |
| 2697 | char c; |
| 2698 | char *p; |
| 2699 | char *operator = insnstr; |
| 2700 | const struct s3_asm_opcode *opcode; |
| 2701 | |
| 2702 | /* Parse operator and operands. */ |
| 2703 | s3_skip_whitespace (operator); |
| 2704 | |
| 2705 | for (p = operator; *p != '\0'; p++) |
| 2706 | if (*p == ' ') |
| 2707 | break; |
| 2708 | |
| 2709 | c = *p; |
| 2710 | *p = '\0'; |
| 2711 | |
| 2712 | opcode = (const struct s3_asm_opcode *) hash_find (s3_score_ops_hsh, operator); |
| 2713 | *p = c; |
| 2714 | |
| 2715 | memset (&s3_inst, '\0', sizeof (s3_inst)); |
| 2716 | sprintf (s3_inst.str, "%s", insnstr); |
| 2717 | if (opcode) |
| 2718 | { |
| 2719 | s3_inst.instruction = opcode->value; |
| 2720 | s3_inst.relax_inst = opcode->relax_value; |
| 2721 | s3_inst.type = opcode->type; |
| 2722 | s3_inst.size = s3_GET_INSN_SIZE (s3_inst.type); |
| 2723 | s3_inst.relax_size = 0; |
| 2724 | s3_inst.bwarn = 0; |
| 2725 | sprintf (s3_inst.name, "%s", opcode->template_name); |
| 2726 | strcpy (s3_inst.reg, ""); |
| 2727 | s3_inst.error = NULL; |
| 2728 | s3_inst.reloc.type = BFD_RELOC_NONE; |
| 2729 | |
| 2730 | (*opcode->parms) (p); |
| 2731 | |
| 2732 | /* It indicates current instruction is a macro instruction if s3_inst.bwarn equals -1. */ |
| 2733 | if ((s3_inst.bwarn != -1) && (!s3_inst.error) && (gen_frag_p)) |
| 2734 | s3_gen_insn_frag (&s3_inst, NULL); |
| 2735 | } |
| 2736 | else |
| 2737 | s3_inst.error = _("unrecognized opcode"); |
| 2738 | } |
| 2739 | |
| 2740 | static int |
| 2741 | s3_append_insn (char *str, bfd_boolean gen_frag_p) |
| 2742 | { |
| 2743 | int retval = s3_SUCCESS; |
| 2744 | |
| 2745 | s3_parse_16_32_inst (str, gen_frag_p); |
| 2746 | |
| 2747 | if (s3_inst.error) |
| 2748 | { |
| 2749 | retval = (int) s3_FAIL; |
| 2750 | as_bad (_("%s -- `%s'"), s3_inst.error, s3_inst.str); |
| 2751 | s3_inst.error = NULL; |
| 2752 | } |
| 2753 | |
| 2754 | return retval; |
| 2755 | } |
| 2756 | |
| 2757 | static void |
| 2758 | s3_do16_mv_cmp (char *str) |
| 2759 | { |
| 2760 | s3_skip_whitespace (str); |
| 2761 | |
| 2762 | if (s3_reg_required_here (&str, 5, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 2763 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 2764 | || s3_reg_required_here (&str, 0, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 2765 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 2766 | { |
| 2767 | return; |
| 2768 | } |
| 2769 | } |
| 2770 | |
| 2771 | static void |
| 2772 | s3_do16_cmpi (char *str) |
| 2773 | { |
| 2774 | s3_skip_whitespace (str); |
| 2775 | |
| 2776 | if (s3_reg_required_here (&str, 5, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 2777 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 2778 | || s3_data_op2 (&str, 0, _SIMM5) == (int) s3_FAIL |
| 2779 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 2780 | { |
| 2781 | return; |
| 2782 | } |
| 2783 | } |
| 2784 | |
| 2785 | static void |
| 2786 | s3_do16_addi (char *str) |
| 2787 | { |
| 2788 | s3_skip_whitespace (str); |
| 2789 | |
| 2790 | if (s3_reglow_required_here (&str, 6) == (int) s3_FAIL |
| 2791 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 2792 | || s3_data_op2 (&str, 0, _SIMM6) == (int) s3_FAIL |
| 2793 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 2794 | { |
| 2795 | return; |
| 2796 | } |
| 2797 | } |
| 2798 | |
| 2799 | /* Handle bitclr! / bitset! / bittst! / bittgl! */ |
| 2800 | static void |
| 2801 | s3_do16_rdi5 (char *str) |
| 2802 | { |
| 2803 | s3_skip_whitespace (str); |
| 2804 | |
| 2805 | if (s3_reglow_required_here (&str, 5) == (int) s3_FAIL |
| 2806 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 2807 | || s3_data_op2 (&str, 0, _IMM5) == (int) s3_FAIL |
| 2808 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 2809 | return; |
| 2810 | else |
| 2811 | { |
| 2812 | s3_inst.relax_inst |= (((s3_inst.instruction >>5) & 0xf) << 20) |
| 2813 | | (((s3_inst.instruction >> 5) & 0xf) << 15) | (((s3_inst.instruction ) & 0x1f) << 10); |
| 2814 | s3_inst.relax_size = 4; |
| 2815 | } |
| 2816 | } |
| 2817 | |
| 2818 | |
| 2819 | /* Handle sdbbp!. */ |
| 2820 | static void |
| 2821 | s3_do16_xi5 (char *str) |
| 2822 | { |
| 2823 | s3_skip_whitespace (str); |
| 2824 | |
| 2825 | if (s3_data_op2 (&str, 0, _IMM5) == (int) s3_FAIL || s3_end_of_line (str) == (int) s3_FAIL) |
| 2826 | return; |
| 2827 | } |
| 2828 | |
| 2829 | /* Check that an immediate is word alignment or half word alignment. |
| 2830 | If so, convert it to the right format. */ |
| 2831 | static int |
| 2832 | s3_validate_immediate_align (int val, unsigned int data_type) |
| 2833 | { |
| 2834 | if (data_type == _IMM5_RSHIFT_1) |
| 2835 | { |
| 2836 | if (val % 2) |
| 2837 | { |
| 2838 | s3_inst.error = _("address offset must be half word alignment"); |
| 2839 | return (int) s3_FAIL; |
| 2840 | } |
| 2841 | } |
| 2842 | else if ((data_type == _IMM5_RSHIFT_2) || (data_type == _IMM10_RSHIFT_2)) |
| 2843 | { |
| 2844 | if (val % 4) |
| 2845 | { |
| 2846 | s3_inst.error = _("address offset must be word alignment"); |
| 2847 | return (int) s3_FAIL; |
| 2848 | } |
| 2849 | } |
| 2850 | |
| 2851 | return s3_SUCCESS; |
| 2852 | } |
| 2853 | |
| 2854 | static int |
| 2855 | s3_exp_ldst_offset (char **str, int shift, unsigned int data_type) |
| 2856 | { |
| 2857 | char *dataptr; |
| 2858 | |
| 2859 | dataptr = * str; |
| 2860 | |
| 2861 | if ((*dataptr == '0') && (*(dataptr + 1) == 'x') |
| 2862 | && (data_type != _SIMM16_LA) |
| 2863 | && (data_type != _VALUE_HI16) |
| 2864 | && (data_type != _VALUE_LO16) |
| 2865 | && (data_type != _IMM16) |
| 2866 | && (data_type != _IMM15) |
| 2867 | && (data_type != _IMM14) |
| 2868 | && (data_type != _IMM4) |
| 2869 | && (data_type != _IMM5) |
| 2870 | && (data_type != _IMM8) |
| 2871 | && (data_type != _IMM5_RSHIFT_1) |
| 2872 | && (data_type != _IMM5_RSHIFT_2) |
| 2873 | && (data_type != _SIMM14_NEG) |
| 2874 | && (data_type != _IMM10_RSHIFT_2)) |
| 2875 | { |
| 2876 | data_type += 24; |
| 2877 | } |
| 2878 | |
| 2879 | if (s3_my_get_expression (&s3_inst.reloc.exp, str) == (int) s3_FAIL) |
| 2880 | return (int) s3_FAIL; |
| 2881 | |
| 2882 | if (s3_inst.reloc.exp.X_op == O_constant) |
| 2883 | { |
| 2884 | /* Need to check the immediate align. */ |
| 2885 | int value = s3_validate_immediate_align (s3_inst.reloc.exp.X_add_number, data_type); |
| 2886 | |
| 2887 | if (value == (int) s3_FAIL) |
| 2888 | return (int) s3_FAIL; |
| 2889 | |
| 2890 | value = s3_validate_immediate (s3_inst.reloc.exp.X_add_number, data_type, 0); |
| 2891 | if (value == (int) s3_FAIL) |
| 2892 | { |
| 2893 | if (data_type < 30) |
| 2894 | sprintf (s3_err_msg, |
| 2895 | _("invalid constant: %d bit expression not in range %d..%d"), |
| 2896 | s3_score_df_range[data_type].bits, |
| 2897 | s3_score_df_range[data_type].range[0], s3_score_df_range[data_type].range[1]); |
| 2898 | else |
| 2899 | sprintf (s3_err_msg, |
| 2900 | _("invalid constant: %d bit expression not in range %d..%d"), |
| 2901 | s3_score_df_range[data_type - 24].bits, |
| 2902 | s3_score_df_range[data_type - 24].range[0], s3_score_df_range[data_type - 24].range[1]); |
| 2903 | s3_inst.error = s3_err_msg; |
| 2904 | return (int) s3_FAIL; |
| 2905 | } |
| 2906 | |
| 2907 | if (data_type == _IMM5_RSHIFT_1) |
| 2908 | { |
| 2909 | value >>= 1; |
| 2910 | } |
| 2911 | else if ((data_type == _IMM5_RSHIFT_2) || (data_type == _IMM10_RSHIFT_2)) |
| 2912 | { |
| 2913 | value >>= 2; |
| 2914 | } |
| 2915 | |
| 2916 | if (s3_score_df_range[data_type].range[0] != 0) |
| 2917 | { |
| 2918 | value &= (1 << s3_score_df_range[data_type].bits) - 1; |
| 2919 | } |
| 2920 | |
| 2921 | s3_inst.instruction |= value << shift; |
| 2922 | } |
| 2923 | else |
| 2924 | { |
| 2925 | s3_inst.reloc.pc_rel = 0; |
| 2926 | } |
| 2927 | |
| 2928 | return s3_SUCCESS; |
| 2929 | } |
| 2930 | |
| 2931 | static void |
| 2932 | s3_do_ldst_insn (char *str) |
| 2933 | { |
| 2934 | int pre_inc = 0; |
| 2935 | int conflict_reg; |
| 2936 | int value; |
| 2937 | char * temp; |
| 2938 | char *dataptr; |
| 2939 | int reg; |
| 2940 | int ldst_idx = 0; |
| 2941 | |
| 2942 | s3_skip_whitespace (str); |
| 2943 | |
| 2944 | if (((conflict_reg = s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE)) == (int) s3_FAIL) |
| 2945 | || (s3_skip_past_comma (&str) == (int) s3_FAIL)) |
| 2946 | return; |
| 2947 | |
| 2948 | /* ld/sw rD, [rA, simm15] ld/sw rD, [rA]+, simm12 ld/sw rD, [rA, simm12]+. */ |
| 2949 | if (*str == '[') |
| 2950 | { |
| 2951 | str++; |
| 2952 | s3_skip_whitespace (str); |
| 2953 | |
| 2954 | if ((reg = s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE)) == (int) s3_FAIL) |
| 2955 | return; |
| 2956 | |
| 2957 | /* Conflicts can occur on stores as well as loads. */ |
| 2958 | conflict_reg = (conflict_reg == reg); |
| 2959 | s3_skip_whitespace (str); |
| 2960 | temp = str + 1; /* The latter will process decimal/hex expression. */ |
| 2961 | |
| 2962 | /* ld/sw rD, [rA]+, simm12 ld/sw rD, [rA]+. */ |
| 2963 | if (*str == ']') |
| 2964 | { |
| 2965 | str++; |
| 2966 | if (*str == '+') |
| 2967 | { |
| 2968 | str++; |
| 2969 | /* ld/sw rD, [rA]+, simm12. */ |
| 2970 | if (s3_skip_past_comma (&str) == s3_SUCCESS) |
| 2971 | { |
| 2972 | if ((s3_exp_ldst_offset (&str, 3, _SIMM12) == (int) s3_FAIL) |
| 2973 | || (s3_end_of_line (str) == (int) s3_FAIL)) |
| 2974 | return; |
| 2975 | |
| 2976 | if (conflict_reg) |
| 2977 | { |
| 2978 | unsigned int ldst_func = s3_inst.instruction & OPC_PSEUDOLDST_MASK; |
| 2979 | |
| 2980 | if ((ldst_func == INSN_LH) |
| 2981 | || (ldst_func == INSN_LHU) |
| 2982 | || (ldst_func == INSN_LW) |
| 2983 | || (ldst_func == INSN_LB) |
| 2984 | || (ldst_func == INSN_LBU)) |
| 2985 | { |
| 2986 | s3_inst.error = _("register same as write-back base"); |
| 2987 | return; |
| 2988 | } |
| 2989 | } |
| 2990 | |
| 2991 | ldst_idx = s3_inst.instruction & OPC_PSEUDOLDST_MASK; |
| 2992 | s3_inst.instruction &= ~OPC_PSEUDOLDST_MASK; |
| 2993 | s3_inst.instruction |= s3_score_ldst_insns[ldst_idx * 3 + LDST_POST].value; |
| 2994 | |
| 2995 | /* lw rD, [rA]+, 4 convert to pop rD, [rA]. */ |
| 2996 | if ((s3_inst.instruction & 0x3e000007) == 0x0e000000) |
| 2997 | { |
| 2998 | /* rs = r0, offset = 4 */ |
| 2999 | if ((((s3_inst.instruction >> 15) & 0x1f) == 0) |
| 3000 | && (((s3_inst.instruction >> 3) & 0xfff) == 4)) |
| 3001 | { |
| 3002 | /* Relax to pop!. */ |
| 3003 | s3_inst.relax_inst = 0x0040 | ((s3_inst.instruction >> 20) & 0x1f); |
| 3004 | s3_inst.relax_size = 2; |
| 3005 | } |
| 3006 | } |
| 3007 | return; |
| 3008 | } |
| 3009 | /* ld/sw rD, [rA]+ convert to ld/sw rD, [rA, 0]+. */ |
| 3010 | else |
| 3011 | { |
| 3012 | s3_SET_INSN_ERROR (NULL); |
| 3013 | if (s3_end_of_line (str) == (int) s3_FAIL) |
| 3014 | { |
| 3015 | return; |
| 3016 | } |
| 3017 | |
| 3018 | pre_inc = 1; |
| 3019 | value = s3_validate_immediate (s3_inst.reloc.exp.X_add_number, _SIMM12, 0); |
| 3020 | value &= (1 << s3_score_df_range[_SIMM12].bits) - 1; |
| 3021 | ldst_idx = s3_inst.instruction & OPC_PSEUDOLDST_MASK; |
| 3022 | s3_inst.instruction &= ~OPC_PSEUDOLDST_MASK; |
| 3023 | s3_inst.instruction |= s3_score_ldst_insns[ldst_idx * 3 + pre_inc].value; |
| 3024 | s3_inst.instruction |= value << 3; |
| 3025 | s3_inst.relax_inst = 0x8000; |
| 3026 | return; |
| 3027 | } |
| 3028 | } |
| 3029 | /* ld/sw rD, [rA] convert to ld/sw rD, [rA, simm15]. */ |
| 3030 | else |
| 3031 | { |
| 3032 | if (s3_end_of_line (str) == (int) s3_FAIL) |
| 3033 | return; |
| 3034 | |
| 3035 | ldst_idx = s3_inst.instruction & OPC_PSEUDOLDST_MASK; |
| 3036 | s3_inst.instruction &= ~OPC_PSEUDOLDST_MASK; |
| 3037 | s3_inst.instruction |= s3_score_ldst_insns[ldst_idx * 3 + LDST_NOUPDATE].value; |
| 3038 | |
| 3039 | /* lbu rd, [rs] -> lbu! rd, [rs] */ |
| 3040 | if (ldst_idx == INSN_LBU) |
| 3041 | { |
| 3042 | s3_inst.relax_inst = INSN16_LBU; |
| 3043 | } |
| 3044 | else if (ldst_idx == INSN_LH) |
| 3045 | { |
| 3046 | s3_inst.relax_inst = INSN16_LH; |
| 3047 | } |
| 3048 | else if (ldst_idx == INSN_LW) |
| 3049 | { |
| 3050 | s3_inst.relax_inst = INSN16_LW; |
| 3051 | } |
| 3052 | else if (ldst_idx == INSN_SB) |
| 3053 | { |
| 3054 | s3_inst.relax_inst = INSN16_SB; |
| 3055 | } |
| 3056 | else if (ldst_idx == INSN_SH) |
| 3057 | { |
| 3058 | s3_inst.relax_inst = INSN16_SH; |
| 3059 | } |
| 3060 | else if (ldst_idx == INSN_SW) |
| 3061 | { |
| 3062 | s3_inst.relax_inst = INSN16_SW; |
| 3063 | } |
| 3064 | else |
| 3065 | { |
| 3066 | s3_inst.relax_inst = 0x8000; |
| 3067 | } |
| 3068 | |
| 3069 | /* lw/lh/lbu/sw/sh/sb, offset = 0, relax to 16 bit instruction. */ |
| 3070 | /* if ((ldst_idx == INSN_LBU) |
| 3071 | || (ldst_idx == INSN_LH) |
| 3072 | || (ldst_idx == INSN_LW) |
| 3073 | || (ldst_idx == INSN_SB) || (ldst_idx == INSN_SH) || (ldst_idx == INSN_SW))*/ |
| 3074 | if ( (ldst_idx == INSN_LW)|| (ldst_idx == INSN_SW)) |
| 3075 | { |
| 3076 | /* ra only 3 bit , rd only 4 bit for lw! and sw! */ |
| 3077 | if ((((s3_inst.instruction >> 15) & 0x18) == 0) && (((s3_inst.instruction >> 20) & 0x10) == 0)) |
| 3078 | { |
| 3079 | s3_inst.relax_inst |= (((s3_inst.instruction >> 20) & 0xf) << 8) | |
| 3080 | (((s3_inst.instruction >> 15) & 0x7) << 5); |
| 3081 | s3_inst.relax_size = 2; |
| 3082 | } |
| 3083 | } |
| 3084 | |
| 3085 | return; |
| 3086 | } |
| 3087 | } |
| 3088 | /* ld/sw rD, [rA, simm15] ld/sw rD, [rA, simm12]+. */ |
| 3089 | else |
| 3090 | { |
| 3091 | if (s3_skip_past_comma (&str) == (int) s3_FAIL) |
| 3092 | { |
| 3093 | s3_inst.error = _("pre-indexed expression expected"); |
| 3094 | return; |
| 3095 | } |
| 3096 | |
| 3097 | if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL) |
| 3098 | return; |
| 3099 | |
| 3100 | s3_skip_whitespace (str); |
| 3101 | if (*str++ != ']') |
| 3102 | { |
| 3103 | s3_inst.error = _("missing ]"); |
| 3104 | return; |
| 3105 | } |
| 3106 | |
| 3107 | s3_skip_whitespace (str); |
| 3108 | /* ld/sw rD, [rA, simm12]+. */ |
| 3109 | if (*str == '+') |
| 3110 | { |
| 3111 | str++; |
| 3112 | pre_inc = 1; |
| 3113 | if (conflict_reg) |
| 3114 | { |
| 3115 | unsigned int ldst_func = s3_inst.instruction & OPC_PSEUDOLDST_MASK; |
| 3116 | |
| 3117 | if ((ldst_func == INSN_LH) |
| 3118 | || (ldst_func == INSN_LHU) |
| 3119 | || (ldst_func == INSN_LW) |
| 3120 | || (ldst_func == INSN_LB) |
| 3121 | || (ldst_func == INSN_LBU)) |
| 3122 | { |
| 3123 | s3_inst.error = _("register same as write-back base"); |
| 3124 | return; |
| 3125 | } |
| 3126 | } |
| 3127 | } |
| 3128 | |
| 3129 | if (s3_end_of_line (str) == (int) s3_FAIL) |
| 3130 | return; |
| 3131 | |
| 3132 | if (s3_inst.reloc.exp.X_op == O_constant) |
| 3133 | { |
| 3134 | unsigned int data_type; |
| 3135 | |
| 3136 | if (pre_inc == 1) |
| 3137 | data_type = _SIMM12; |
| 3138 | else |
| 3139 | data_type = _SIMM15; |
| 3140 | dataptr = temp; |
| 3141 | |
| 3142 | if ((*dataptr == '0') && (*(dataptr + 1) == 'x') |
| 3143 | && (data_type != _SIMM16_LA) |
| 3144 | && (data_type != _VALUE_HI16) |
| 3145 | && (data_type != _VALUE_LO16) |
| 3146 | && (data_type != _IMM16) |
| 3147 | && (data_type != _IMM15) |
| 3148 | && (data_type != _IMM14) |
| 3149 | && (data_type != _IMM4) |
| 3150 | && (data_type != _IMM5) |
| 3151 | && (data_type != _IMM8) |
| 3152 | && (data_type != _IMM5_RSHIFT_1) |
| 3153 | && (data_type != _IMM5_RSHIFT_2) |
| 3154 | && (data_type != _SIMM14_NEG) |
| 3155 | && (data_type != _IMM10_RSHIFT_2)) |
| 3156 | { |
| 3157 | data_type += 24; |
| 3158 | } |
| 3159 | |
| 3160 | value = s3_validate_immediate (s3_inst.reloc.exp.X_add_number, data_type, 0); |
| 3161 | if (value == (int) s3_FAIL) |
| 3162 | { |
| 3163 | if (data_type < 30) |
| 3164 | sprintf (s3_err_msg, |
| 3165 | _("invalid constant: %d bit expression not in range %d..%d"), |
| 3166 | s3_score_df_range[data_type].bits, |
| 3167 | s3_score_df_range[data_type].range[0], s3_score_df_range[data_type].range[1]); |
| 3168 | else |
| 3169 | sprintf (s3_err_msg, |
| 3170 | _("invalid constant: %d bit expression not in range %d..%d"), |
| 3171 | s3_score_df_range[data_type - 24].bits, |
| 3172 | s3_score_df_range[data_type - 24].range[0], |
| 3173 | s3_score_df_range[data_type - 24].range[1]); |
| 3174 | s3_inst.error = s3_err_msg; |
| 3175 | return; |
| 3176 | } |
| 3177 | |
| 3178 | value &= (1 << s3_score_df_range[data_type].bits) - 1; |
| 3179 | ldst_idx = s3_inst.instruction & OPC_PSEUDOLDST_MASK; |
| 3180 | s3_inst.instruction &= ~OPC_PSEUDOLDST_MASK; |
| 3181 | s3_inst.instruction |= s3_score_ldst_insns[ldst_idx * 3 + pre_inc].value; |
| 3182 | if (pre_inc == 1) |
| 3183 | s3_inst.instruction |= value << 3; |
| 3184 | else |
| 3185 | s3_inst.instruction |= value; |
| 3186 | |
| 3187 | /* lw rD, [rA, simm15] */ |
| 3188 | if ((s3_inst.instruction & 0x3e000000) == 0x20000000) |
| 3189 | { |
| 3190 | /* rD in [r0 - r15]. , ra in [r0-r7] */ |
| 3191 | if ((((s3_inst.instruction >> 15) & 0x18) == 0) |
| 3192 | && (((s3_inst.instruction >> 20) & 0x10) == 0)) |
| 3193 | { |
| 3194 | /* simm = [bit 7], lw -> lw!. */ |
| 3195 | if (((s3_inst.instruction & 0x7f80) == 0)&&((s3_inst.instruction &0x3)==0)) |
| 3196 | { |
| 3197 | s3_inst.relax_inst |= (((s3_inst.instruction >> 15) & 0x7) << 5) |
| 3198 | | (((s3_inst.instruction >> 20) & 0xf) << 8)|(value>>2); |
| 3199 | s3_inst.relax_size = 2; |
| 3200 | } |
| 3201 | else |
| 3202 | { |
| 3203 | s3_inst.relax_inst = 0x8000; |
| 3204 | } |
| 3205 | } |
| 3206 | else |
| 3207 | { |
| 3208 | s3_inst.relax_inst = 0x8000; |
| 3209 | } |
| 3210 | } |
| 3211 | /* sw rD, [rA, simm15] */ |
| 3212 | else if ((s3_inst.instruction & 0x3e000000) == 0x28000000) |
| 3213 | { |
| 3214 | /* rD is in [r0 - r15] and ra in [r0-r7] */ |
| 3215 | if ((((s3_inst.instruction >> 15) & 0x18) == 0) && (((s3_inst.instruction >> 20) & 0x10) == 0)) |
| 3216 | { |
| 3217 | /* simm15 =7 bit , sw -> sw!. */ |
| 3218 | if (((s3_inst.instruction & 0x7f80) == 0)&&((s3_inst.instruction &0x3)==0)) |
| 3219 | { |
| 3220 | s3_inst.relax_inst |= (((s3_inst.instruction >> 15) & 0xf) << 5) |
| 3221 | | (((s3_inst.instruction >> 20) & 0xf) << 8)|(value>>2); |
| 3222 | s3_inst.relax_size = 2; |
| 3223 | } |
| 3224 | /* rA = r2, sw -> swp!. */ |
| 3225 | else |
| 3226 | { |
| 3227 | s3_inst.relax_inst = 0x8000; |
| 3228 | } |
| 3229 | } |
| 3230 | else |
| 3231 | { |
| 3232 | s3_inst.relax_inst = 0x8000; |
| 3233 | } |
| 3234 | } |
| 3235 | /* sw rD, [rA, simm15]+ sw pre. */ |
| 3236 | else if ((s3_inst.instruction & 0x3e000007) == 0x06000004) |
| 3237 | { |
| 3238 | /* simm15 = -4. and ra==r0 */ |
| 3239 | if ((((s3_inst.instruction >> 15) & 0x1f) == 0) |
| 3240 | && (((s3_inst.instruction >> 3) & 0xfff) == 0xffc)) |
| 3241 | { |
| 3242 | /* sw -> push!. */ |
| 3243 | s3_inst.relax_inst = 0x0060 | ((s3_inst.instruction >> 20) & 0x1f); |
| 3244 | s3_inst.relax_size = 2; |
| 3245 | } |
| 3246 | else |
| 3247 | { |
| 3248 | s3_inst.relax_inst = 0x8000; |
| 3249 | } |
| 3250 | } |
| 3251 | else |
| 3252 | { |
| 3253 | s3_inst.relax_inst = 0x8000; |
| 3254 | } |
| 3255 | |
| 3256 | return; |
| 3257 | } |
| 3258 | else |
| 3259 | { |
| 3260 | /* FIXME: may set error, for there is no ld/sw rD, [rA, label] */ |
| 3261 | s3_inst.reloc.pc_rel = 0; |
| 3262 | } |
| 3263 | } |
| 3264 | } |
| 3265 | else |
| 3266 | { |
| 3267 | s3_inst.error = s3_BAD_ARGS; |
| 3268 | } |
| 3269 | } |
| 3270 | |
| 3271 | /* Handle cache. */ |
| 3272 | static void |
| 3273 | s3_do_cache (char *str) |
| 3274 | { |
| 3275 | s3_skip_whitespace (str); |
| 3276 | |
| 3277 | if ((s3_data_op2 (&str, 20, _IMM5) == (int) s3_FAIL) || (s3_skip_past_comma (&str) == (int) s3_FAIL)) |
| 3278 | { |
| 3279 | return; |
| 3280 | } |
| 3281 | else |
| 3282 | { |
| 3283 | int cache_op; |
| 3284 | |
| 3285 | cache_op = (s3_inst.instruction >> 20) & 0x1F; |
| 3286 | sprintf (s3_inst.name, "cache %d", cache_op); |
| 3287 | } |
| 3288 | |
| 3289 | if (*str == '[') |
| 3290 | { |
| 3291 | str++; |
| 3292 | s3_skip_whitespace (str); |
| 3293 | |
| 3294 | if (s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL) |
| 3295 | return; |
| 3296 | |
| 3297 | s3_skip_whitespace (str); |
| 3298 | |
| 3299 | /* cache op, [rA] */ |
| 3300 | if (s3_skip_past_comma (&str) == (int) s3_FAIL) |
| 3301 | { |
| 3302 | s3_SET_INSN_ERROR (NULL); |
| 3303 | if (*str != ']') |
| 3304 | { |
| 3305 | s3_inst.error = _("missing ]"); |
| 3306 | return; |
| 3307 | } |
| 3308 | str++; |
| 3309 | } |
| 3310 | /* cache op, [rA, simm15] */ |
| 3311 | else |
| 3312 | { |
| 3313 | if (s3_exp_ldst_offset (&str, 0, _SIMM15) == (int) s3_FAIL) |
| 3314 | { |
| 3315 | return; |
| 3316 | } |
| 3317 | |
| 3318 | s3_skip_whitespace (str); |
| 3319 | if (*str++ != ']') |
| 3320 | { |
| 3321 | s3_inst.error = _("missing ]"); |
| 3322 | return; |
| 3323 | } |
| 3324 | } |
| 3325 | |
| 3326 | if (s3_end_of_line (str) == (int) s3_FAIL) |
| 3327 | return; |
| 3328 | } |
| 3329 | else |
| 3330 | { |
| 3331 | s3_inst.error = s3_BAD_ARGS; |
| 3332 | } |
| 3333 | } |
| 3334 | |
| 3335 | static void |
| 3336 | s3_do_crdcrscrsimm5 (char *str) |
| 3337 | { |
| 3338 | char *strbak; |
| 3339 | |
| 3340 | strbak = str; |
| 3341 | s3_skip_whitespace (str); |
| 3342 | |
| 3343 | if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE_CR) == (int) s3_FAIL |
| 3344 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 3345 | || s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE_CR) == (int) s3_FAIL |
| 3346 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 3347 | || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE_CR) == (int) s3_FAIL |
| 3348 | || s3_skip_past_comma (&str) == (int) s3_FAIL) |
| 3349 | { |
| 3350 | str = strbak; |
| 3351 | /* cop1 cop_code20. */ |
| 3352 | if (s3_data_op2 (&str, 5, _IMM20) == (int) s3_FAIL) |
| 3353 | return; |
| 3354 | } |
| 3355 | else |
| 3356 | { |
| 3357 | if (s3_data_op2 (&str, 5, _IMM5) == (int) s3_FAIL) |
| 3358 | return; |
| 3359 | } |
| 3360 | |
| 3361 | s3_end_of_line (str); |
| 3362 | } |
| 3363 | |
| 3364 | /* Handle ldc/stc. */ |
| 3365 | static void |
| 3366 | s3_do_ldst_cop (char *str) |
| 3367 | { |
| 3368 | s3_skip_whitespace (str); |
| 3369 | |
| 3370 | if ((s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE_CR) == (int) s3_FAIL) |
| 3371 | || (s3_skip_past_comma (&str) == (int) s3_FAIL)) |
| 3372 | return; |
| 3373 | |
| 3374 | if (*str == '[') |
| 3375 | { |
| 3376 | str++; |
| 3377 | s3_skip_whitespace (str); |
| 3378 | |
| 3379 | if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL) |
| 3380 | return; |
| 3381 | |
| 3382 | s3_skip_whitespace (str); |
| 3383 | |
| 3384 | if (*str++ != ']') |
| 3385 | { |
| 3386 | if (s3_exp_ldst_offset (&str, 5, _IMM10_RSHIFT_2) == (int) s3_FAIL) |
| 3387 | return; |
| 3388 | |
| 3389 | s3_skip_whitespace (str); |
| 3390 | if (*str++ != ']') |
| 3391 | { |
| 3392 | s3_inst.error = _("missing ]"); |
| 3393 | return; |
| 3394 | } |
| 3395 | } |
| 3396 | |
| 3397 | s3_end_of_line (str); |
| 3398 | } |
| 3399 | else |
| 3400 | s3_inst.error = s3_BAD_ARGS; |
| 3401 | } |
| 3402 | |
| 3403 | static void |
| 3404 | s3_do16_ldst_insn (char *str) |
| 3405 | { |
| 3406 | int conflict_reg = 0; |
| 3407 | s3_skip_whitespace (str); |
| 3408 | |
| 3409 | if ((s3_reglow_required_here (&str, 8) == (int) s3_FAIL) || (s3_skip_past_comma (&str) == (int) s3_FAIL)) |
| 3410 | return; |
| 3411 | |
| 3412 | if (*str == '[') |
| 3413 | { |
| 3414 | |
| 3415 | str++; |
| 3416 | s3_skip_whitespace (str); |
| 3417 | |
| 3418 | if ((conflict_reg = s3_reglow_required_here (&str, 5)) == (int) s3_FAIL) |
| 3419 | return; |
| 3420 | if (conflict_reg&0x8) |
| 3421 | { |
| 3422 | sprintf (s3_err_msg, _("invalid register number: %d is not in [r0--r7]"),conflict_reg); |
| 3423 | s3_inst.error = s3_err_msg; |
| 3424 | return; |
| 3425 | } |
| 3426 | |
| 3427 | s3_skip_whitespace (str); |
| 3428 | |
| 3429 | if (*str == ']') |
| 3430 | { |
| 3431 | str++; |
| 3432 | if (s3_end_of_line (str) == (int) s3_FAIL) |
| 3433 | return; |
| 3434 | } |
| 3435 | else |
| 3436 | { |
| 3437 | if (s3_skip_past_comma (&str) == (int) s3_FAIL) |
| 3438 | { |
| 3439 | s3_inst.error = _("comma is expected"); |
| 3440 | return; |
| 3441 | } |
| 3442 | if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL) |
| 3443 | return; |
| 3444 | s3_skip_whitespace (str); |
| 3445 | if (*str++ != ']') |
| 3446 | { |
| 3447 | s3_inst.error = _("missing ]"); |
| 3448 | return; |
| 3449 | } |
| 3450 | if (s3_end_of_line (str) == (int) s3_FAIL) |
| 3451 | return; |
| 3452 | if (s3_inst.reloc.exp.X_op == O_constant) |
| 3453 | { |
| 3454 | int value; |
| 3455 | unsigned int data_type; |
| 3456 | data_type = _IMM5_RSHIFT_2; |
| 3457 | value = s3_validate_immediate (s3_inst.reloc.exp.X_add_number, data_type, 0); |
| 3458 | if (value == (int) s3_FAIL) |
| 3459 | { |
| 3460 | if (data_type < 30) |
| 3461 | sprintf (s3_err_msg, |
| 3462 | _("invalid constant: %d bit expression not in range %d..%d"), |
| 3463 | s3_score_df_range[data_type].bits, |
| 3464 | s3_score_df_range[data_type].range[0], s3_score_df_range[data_type].range[1]); |
| 3465 | s3_inst.error = s3_err_msg; |
| 3466 | return; |
| 3467 | } |
| 3468 | if (value & 0x3) |
| 3469 | { |
| 3470 | sprintf (s3_err_msg, _("invalid constant: %d is not word align integer"),value); |
| 3471 | s3_inst.error = s3_err_msg; |
| 3472 | return; |
| 3473 | } |
| 3474 | |
| 3475 | value >>= 2; |
| 3476 | s3_inst.instruction |= value; |
| 3477 | } |
| 3478 | } |
| 3479 | } |
| 3480 | else |
| 3481 | { |
| 3482 | sprintf (s3_err_msg, _("missing [")); |
| 3483 | s3_inst.error = s3_err_msg; |
| 3484 | return; |
| 3485 | } |
| 3486 | } |
| 3487 | |
| 3488 | static void |
| 3489 | s3_do_lw48 (char *str) |
| 3490 | { |
| 3491 | bfd_signed_vma val = 0; |
| 3492 | |
| 3493 | s3_skip_whitespace (str); |
| 3494 | |
| 3495 | if ((s3_reg_required_here (&str, 37, s3_REG_TYPE_SCORE) == (int) s3_FAIL) |
| 3496 | || (s3_skip_past_comma (&str) == (int) s3_FAIL)) |
| 3497 | return; |
| 3498 | |
| 3499 | if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL |
| 3500 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 3501 | { |
| 3502 | return; |
| 3503 | } |
| 3504 | |
| 3505 | /* Check word align for lw48 rd, value. */ |
| 3506 | if ((s3_inst.reloc.exp.X_add_symbol == NULL) |
| 3507 | && ((s3_inst.reloc.exp.X_add_number & 0x3) != 0)) |
| 3508 | { |
| 3509 | s3_inst.error = _("invalid constant: 32 bit expression not word align"); |
| 3510 | return; |
| 3511 | } |
| 3512 | |
| 3513 | /* Check and set offset. */ |
| 3514 | val = s3_inst.reloc.exp.X_add_number; |
| 3515 | if ((s3_inst.reloc.exp.X_add_symbol == NULL) |
| 3516 | && (!(val >= 0 && val <= 0xffffffffLL))) |
| 3517 | { |
| 3518 | s3_inst.error = _("invalid constant: 32 bit expression not in range [0, 0xffffffff]"); |
| 3519 | return; |
| 3520 | } |
| 3521 | |
| 3522 | val &= 0xffffffff; |
| 3523 | val >>= 2; |
| 3524 | s3_inst.instruction |= (val << 7); |
| 3525 | |
| 3526 | /* Set reloc type. */ |
| 3527 | s3_inst.reloc.type = BFD_RELOC_SCORE_IMM30; |
| 3528 | |
| 3529 | } |
| 3530 | |
| 3531 | static void |
| 3532 | s3_do_sw48 (char *str) |
| 3533 | { |
| 3534 | bfd_signed_vma val = 0; |
| 3535 | |
| 3536 | s3_skip_whitespace (str); |
| 3537 | |
| 3538 | if ((s3_reg_required_here (&str, 37, s3_REG_TYPE_SCORE) == (int) s3_FAIL) |
| 3539 | || (s3_skip_past_comma (&str) == (int) s3_FAIL)) |
| 3540 | return; |
| 3541 | |
| 3542 | if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL |
| 3543 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 3544 | { |
| 3545 | return; |
| 3546 | } |
| 3547 | |
| 3548 | /* Check word align for lw48 rd, value. */ |
| 3549 | if ((s3_inst.reloc.exp.X_add_symbol == NULL) |
| 3550 | && ((s3_inst.reloc.exp.X_add_number & 0x3) != 0)) |
| 3551 | { |
| 3552 | s3_inst.error = _("invalid constant: 32 bit expression not word align"); |
| 3553 | return; |
| 3554 | } |
| 3555 | |
| 3556 | /* Check and set offset. */ |
| 3557 | val = s3_inst.reloc.exp.X_add_number; |
| 3558 | if ((s3_inst.reloc.exp.X_add_symbol == NULL) |
| 3559 | && (!(val >= 0 && val <= 0xffffffffLL))) |
| 3560 | { |
| 3561 | s3_inst.error = _("invalid constant: 32 bit expression not in range [0, 0xffffffff]"); |
| 3562 | return; |
| 3563 | } |
| 3564 | |
| 3565 | val &= 0xffffffff; |
| 3566 | val >>= 2; |
| 3567 | s3_inst.instruction |= (val << 7); |
| 3568 | |
| 3569 | /* Set reloc type. */ |
| 3570 | s3_inst.reloc.type = BFD_RELOC_SCORE_IMM30; |
| 3571 | } |
| 3572 | |
| 3573 | static void |
| 3574 | s3_do_ldi48 (char *str) |
| 3575 | { |
| 3576 | bfd_signed_vma val; |
| 3577 | |
| 3578 | s3_skip_whitespace (str); |
| 3579 | |
| 3580 | if (s3_reg_required_here (&str, 37, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 3581 | || s3_skip_past_comma (&str) == (int) s3_FAIL) |
| 3582 | return; |
| 3583 | |
| 3584 | if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL |
| 3585 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 3586 | { |
| 3587 | return; |
| 3588 | } |
| 3589 | |
| 3590 | /* Check and set offset. */ |
| 3591 | val = s3_inst.reloc.exp.X_add_number; |
| 3592 | if (!(val >= -0xffffffffLL && val <= 0xffffffffLL)) |
| 3593 | { |
| 3594 | s3_inst.error = _("invalid constant: 32 bit expression not in range [-0x80000000, 0x7fffffff]"); |
| 3595 | return; |
| 3596 | } |
| 3597 | |
| 3598 | val &= 0xffffffff; |
| 3599 | s3_inst.instruction |= (val << 5); |
| 3600 | |
| 3601 | /* Set reloc type. */ |
| 3602 | s3_inst.reloc.type = BFD_RELOC_SCORE_IMM32; |
| 3603 | } |
| 3604 | |
| 3605 | static void |
| 3606 | s3_do_sdbbp48 (char *str) |
| 3607 | { |
| 3608 | s3_skip_whitespace (str); |
| 3609 | |
| 3610 | if (s3_data_op2 (&str, 5, _IMM5) == (int) s3_FAIL || s3_end_of_line (str) == (int) s3_FAIL) |
| 3611 | return; |
| 3612 | } |
| 3613 | |
| 3614 | static void |
| 3615 | s3_do_and48 (char *str) |
| 3616 | { |
| 3617 | s3_skip_whitespace (str); |
| 3618 | |
| 3619 | if (s3_reglow_required_here (&str, 38) == (int) s3_FAIL |
| 3620 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 3621 | || s3_reglow_required_here (&str, 34) == (int) s3_FAIL |
| 3622 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 3623 | || s3_data_op2 (&str, 2, _IMM32) == (int) s3_FAIL |
| 3624 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 3625 | return; |
| 3626 | } |
| 3627 | |
| 3628 | static void |
| 3629 | s3_do_or48 (char *str) |
| 3630 | { |
| 3631 | s3_skip_whitespace (str); |
| 3632 | |
| 3633 | if (s3_reglow_required_here (&str, 38) == (int) s3_FAIL |
| 3634 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 3635 | || s3_reglow_required_here (&str, 34) == (int) s3_FAIL |
| 3636 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 3637 | || s3_data_op2 (&str, 2, _IMM32) == (int) s3_FAIL |
| 3638 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 3639 | return; |
| 3640 | } |
| 3641 | |
| 3642 | static void |
| 3643 | s3_do_mbitclr (char *str) |
| 3644 | { |
| 3645 | int val; |
| 3646 | s3_skip_whitespace (str); |
| 3647 | |
| 3648 | if (*str != '[') |
| 3649 | { |
| 3650 | sprintf (s3_err_msg, _("missing [")); |
| 3651 | s3_inst.error = s3_err_msg; |
| 3652 | return; |
| 3653 | } |
| 3654 | str++; |
| 3655 | |
| 3656 | s3_inst.instruction &= 0x0; |
| 3657 | |
| 3658 | if ((s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL) |
| 3659 | || (s3_skip_past_comma (&str) == (int) s3_FAIL) |
| 3660 | || (s3_data_op2 (&str, 0, _IMM11) == (int) s3_FAIL)) |
| 3661 | return; |
| 3662 | |
| 3663 | /* Get imm11 and refill opcode. */ |
| 3664 | val = s3_inst.instruction & 0x7ff; |
| 3665 | val >>= 2; |
| 3666 | s3_inst.instruction &= 0x000f8000; |
| 3667 | s3_inst.instruction |= 0x00000064; |
| 3668 | |
| 3669 | if (*str != ']') |
| 3670 | { |
| 3671 | sprintf (s3_err_msg, _("missing ]")); |
| 3672 | s3_inst.error = s3_err_msg; |
| 3673 | return; |
| 3674 | } |
| 3675 | str++; |
| 3676 | |
| 3677 | if ((s3_skip_past_comma (&str) == (int) s3_FAIL) |
| 3678 | || (s3_data_op2 (&str, 10, _IMM5) == (int) s3_FAIL)) |
| 3679 | return; |
| 3680 | |
| 3681 | /* Set imm11 to opcode. */ |
| 3682 | s3_inst.instruction |= (val & 0x1) |
| 3683 | | (((val >> 1 ) & 0x7) << 7) |
| 3684 | | (((val >> 4 ) & 0x1f) << 20); |
| 3685 | } |
| 3686 | |
| 3687 | static void |
| 3688 | s3_do_mbitset (char *str) |
| 3689 | { |
| 3690 | int val; |
| 3691 | s3_skip_whitespace (str); |
| 3692 | |
| 3693 | if (*str != '[') |
| 3694 | { |
| 3695 | sprintf (s3_err_msg, _("missing [")); |
| 3696 | s3_inst.error = s3_err_msg; |
| 3697 | return; |
| 3698 | } |
| 3699 | str++; |
| 3700 | |
| 3701 | s3_inst.instruction &= 0x0; |
| 3702 | |
| 3703 | if ((s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL) |
| 3704 | || (s3_skip_past_comma (&str) == (int) s3_FAIL) |
| 3705 | || (s3_data_op2 (&str, 0, _IMM11) == (int) s3_FAIL)) |
| 3706 | return; |
| 3707 | |
| 3708 | /* Get imm11 and refill opcode. */ |
| 3709 | val = s3_inst.instruction & 0x7ff; |
| 3710 | val >>= 2; |
| 3711 | s3_inst.instruction &= 0x000f8000; |
| 3712 | s3_inst.instruction |= 0x0000006c; |
| 3713 | |
| 3714 | if (*str != ']') |
| 3715 | { |
| 3716 | sprintf (s3_err_msg, _("missing ]")); |
| 3717 | s3_inst.error = s3_err_msg; |
| 3718 | return; |
| 3719 | } |
| 3720 | str++; |
| 3721 | |
| 3722 | if ((s3_skip_past_comma (&str) == (int) s3_FAIL) |
| 3723 | || (s3_data_op2 (&str, 10, _IMM5) == (int) s3_FAIL)) |
| 3724 | return; |
| 3725 | |
| 3726 | /* Set imm11 to opcode. */ |
| 3727 | s3_inst.instruction |= (val & 0x1) |
| 3728 | | (((val >> 1 ) & 0x7) << 7) |
| 3729 | | (((val >> 4 ) & 0x1f) << 20); |
| 3730 | } |
| 3731 | |
| 3732 | static void |
| 3733 | s3_do16_slli_srli (char *str) |
| 3734 | { |
| 3735 | s3_skip_whitespace (str); |
| 3736 | |
| 3737 | if ((s3_reglow_required_here (&str, 5) == (int) s3_FAIL) |
| 3738 | || (s3_skip_past_comma (&str) == (int) s3_FAIL) |
| 3739 | || s3_data_op2 (&str, 0, _IMM5) == (int) s3_FAIL |
| 3740 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 3741 | return; |
| 3742 | } |
| 3743 | |
| 3744 | static void |
| 3745 | s3_do16_ldiu (char *str) |
| 3746 | { |
| 3747 | s3_skip_whitespace (str); |
| 3748 | |
| 3749 | if ((s3_reg_required_here (&str, 5,s3_REG_TYPE_SCORE) == (int) s3_FAIL) |
| 3750 | || (s3_skip_past_comma (&str) == (int) s3_FAIL) |
| 3751 | || s3_data_op2 (&str, 0, _IMM5) == (int) s3_FAIL |
| 3752 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 3753 | return; |
| 3754 | } |
| 3755 | |
| 3756 | static void |
| 3757 | s3_do16_push_pop (char *str) |
| 3758 | { |
| 3759 | s3_skip_whitespace (str); |
| 3760 | if ((s3_reg_required_here (&str, 0, s3_REG_TYPE_SCORE)) == (int) s3_FAIL |
| 3761 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 3762 | return; |
| 3763 | } |
| 3764 | |
| 3765 | static void |
| 3766 | s3_do16_rpush (char *str) |
| 3767 | { |
| 3768 | int reg; |
| 3769 | int val; |
| 3770 | s3_skip_whitespace (str); |
| 3771 | if ((reg = (s3_reg_required_here (&str, 5, s3_REG_TYPE_SCORE))) == (int) s3_FAIL |
| 3772 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 3773 | || s3_data_op2 (&str, 0, _IMM5_MULTI_LOAD) == (int) s3_FAIL |
| 3774 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 3775 | return; |
| 3776 | |
| 3777 | /* 0: indicate 32. |
| 3778 | 1: invalide value. |
| 3779 | 2: to 31: normal value. */ |
| 3780 | val = s3_inst.instruction & 0x1f; |
| 3781 | if (val == 1) |
| 3782 | { |
| 3783 | s3_inst.error = _("imm5 should >= 2"); |
| 3784 | return; |
| 3785 | } |
| 3786 | if (reg >= 32) |
| 3787 | { |
| 3788 | s3_inst.error = _("reg should <= 31"); |
| 3789 | return; |
| 3790 | } |
| 3791 | } |
| 3792 | |
| 3793 | static void |
| 3794 | s3_do16_rpop (char *str) |
| 3795 | { |
| 3796 | int reg; |
| 3797 | int val; |
| 3798 | s3_skip_whitespace (str); |
| 3799 | if ((reg = (s3_reg_required_here (&str, 5, s3_REG_TYPE_SCORE))) == (int) s3_FAIL |
| 3800 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 3801 | || s3_data_op2 (&str, 0, _IMM5_MULTI_LOAD) == (int) s3_FAIL |
| 3802 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 3803 | return; |
| 3804 | |
| 3805 | /* 0: indicate 32. |
| 3806 | 1: invalide value. |
| 3807 | 2: to 31: normal value. */ |
| 3808 | val = s3_inst.instruction & 0x1f; |
| 3809 | if (val == 1) |
| 3810 | { |
| 3811 | s3_inst.error = _("imm5 should >= 2"); |
| 3812 | return; |
| 3813 | } |
| 3814 | |
| 3815 | if (reg >= 32) |
| 3816 | { |
| 3817 | s3_inst.error = _("reg should <= 31"); |
| 3818 | return; |
| 3819 | } |
| 3820 | else |
| 3821 | { |
| 3822 | if ((reg + val) <= 32) |
| 3823 | reg = reg + val - 1; |
| 3824 | else |
| 3825 | reg = reg + val - 33; |
| 3826 | s3_inst.instruction &= 0x7c1f; |
| 3827 | s3_inst.instruction |= (reg << 5); |
| 3828 | return; |
| 3829 | } |
| 3830 | } |
| 3831 | |
| 3832 | /* Handle lcb/lcw/lce/scb/scw/sce. */ |
| 3833 | static void |
| 3834 | s3_do_ldst_unalign (char *str) |
| 3835 | { |
| 3836 | int conflict_reg; |
| 3837 | |
| 3838 | if (s3_university_version == 1) |
| 3839 | { |
| 3840 | s3_inst.error = s3_ERR_FOR_SCORE5U_ATOMIC; |
| 3841 | return; |
| 3842 | } |
| 3843 | |
| 3844 | s3_skip_whitespace (str); |
| 3845 | |
| 3846 | /* lcb/scb [rA]+. */ |
| 3847 | if (*str == '[') |
| 3848 | { |
| 3849 | str++; |
| 3850 | s3_skip_whitespace (str); |
| 3851 | |
| 3852 | if (s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL) |
| 3853 | return; |
| 3854 | |
| 3855 | if (*str++ == ']') |
| 3856 | { |
| 3857 | if (*str++ != '+') |
| 3858 | { |
| 3859 | s3_inst.error = _("missing +"); |
| 3860 | return; |
| 3861 | } |
| 3862 | } |
| 3863 | else |
| 3864 | { |
| 3865 | s3_inst.error = _("missing ]"); |
| 3866 | return; |
| 3867 | } |
| 3868 | |
| 3869 | if (s3_end_of_line (str) == (int) s3_FAIL) |
| 3870 | return; |
| 3871 | } |
| 3872 | /* lcw/lce/scb/sce rD, [rA]+. */ |
| 3873 | else |
| 3874 | { |
| 3875 | if (((conflict_reg = s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE)) == (int) s3_FAIL) |
| 3876 | || (s3_skip_past_comma (&str) == (int) s3_FAIL)) |
| 3877 | { |
| 3878 | return; |
| 3879 | } |
| 3880 | |
| 3881 | s3_skip_whitespace (str); |
| 3882 | if (*str++ == '[') |
| 3883 | { |
| 3884 | int reg; |
| 3885 | |
| 3886 | s3_skip_whitespace (str); |
| 3887 | if ((reg = s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE)) == (int) s3_FAIL) |
| 3888 | { |
| 3889 | return; |
| 3890 | } |
| 3891 | |
| 3892 | /* Conflicts can occur on stores as well as loads. */ |
| 3893 | conflict_reg = (conflict_reg == reg); |
| 3894 | s3_skip_whitespace (str); |
| 3895 | if (*str++ == ']') |
| 3896 | { |
| 3897 | unsigned int ldst_func = s3_inst.instruction & LDST_UNALIGN_MASK; |
| 3898 | |
| 3899 | if (*str++ == '+') |
| 3900 | { |
| 3901 | if (conflict_reg) |
| 3902 | { |
| 3903 | as_warn (_("%s register same as write-back base"), |
| 3904 | ((ldst_func & UA_LCE) || (ldst_func & UA_LCW) |
| 3905 | ? _("destination") : _("source"))); |
| 3906 | } |
| 3907 | } |
| 3908 | else |
| 3909 | { |
| 3910 | s3_inst.error = _("missing +"); |
| 3911 | return; |
| 3912 | } |
| 3913 | |
| 3914 | if (s3_end_of_line (str) == (int) s3_FAIL) |
| 3915 | return; |
| 3916 | } |
| 3917 | else |
| 3918 | { |
| 3919 | s3_inst.error = _("missing ]"); |
| 3920 | return; |
| 3921 | } |
| 3922 | } |
| 3923 | else |
| 3924 | { |
| 3925 | s3_inst.error = s3_BAD_ARGS; |
| 3926 | return; |
| 3927 | } |
| 3928 | } |
| 3929 | } |
| 3930 | |
| 3931 | /* Handle alw/asw. */ |
| 3932 | static void |
| 3933 | s3_do_ldst_atomic (char *str) |
| 3934 | { |
| 3935 | if (s3_university_version == 1) |
| 3936 | { |
| 3937 | s3_inst.error = s3_ERR_FOR_SCORE5U_ATOMIC; |
| 3938 | return; |
| 3939 | } |
| 3940 | |
| 3941 | s3_skip_whitespace (str); |
| 3942 | |
| 3943 | if ((s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL) |
| 3944 | || (s3_skip_past_comma (&str) == (int) s3_FAIL)) |
| 3945 | { |
| 3946 | return; |
| 3947 | } |
| 3948 | else |
| 3949 | { |
| 3950 | |
| 3951 | s3_skip_whitespace (str); |
| 3952 | if (*str++ == '[') |
| 3953 | { |
| 3954 | int reg; |
| 3955 | |
| 3956 | s3_skip_whitespace (str); |
| 3957 | if ((reg = s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE)) == (int) s3_FAIL) |
| 3958 | { |
| 3959 | return; |
| 3960 | } |
| 3961 | |
| 3962 | s3_skip_whitespace (str); |
| 3963 | if (*str++ != ']') |
| 3964 | { |
| 3965 | s3_inst.error = _("missing ]"); |
| 3966 | return; |
| 3967 | } |
| 3968 | |
| 3969 | s3_end_of_line (str); |
| 3970 | } |
| 3971 | else |
| 3972 | s3_inst.error = s3_BAD_ARGS; |
| 3973 | } |
| 3974 | } |
| 3975 | |
| 3976 | static void |
| 3977 | s3_build_relax_frag (struct s3_score_it fix_insts[s3_RELAX_INST_NUM], int fix_num ATTRIBUTE_UNUSED, |
| 3978 | struct s3_score_it var_insts[s3_RELAX_INST_NUM], int var_num, |
| 3979 | symbolS *add_symbol) |
| 3980 | { |
| 3981 | int i; |
| 3982 | char *p; |
| 3983 | fixS *fixp = NULL; |
| 3984 | fixS *cur_fixp = NULL; |
| 3985 | long where; |
| 3986 | struct s3_score_it inst_main; |
| 3987 | |
| 3988 | memcpy (&inst_main, &fix_insts[0], sizeof (struct s3_score_it)); |
| 3989 | |
| 3990 | /* Adjust instruction opcode and to be relaxed instruction opcode. */ |
| 3991 | inst_main.instruction = s3_adjust_paritybit (inst_main.instruction, s3_GET_INSN_CLASS (inst_main.type)); |
| 3992 | inst_main.type = Insn_PIC; |
| 3993 | |
| 3994 | for (i = 0; i < var_num; i++) |
| 3995 | { |
| 3996 | inst_main.relax_size += var_insts[i].size; |
| 3997 | var_insts[i].instruction = s3_adjust_paritybit (var_insts[i].instruction, |
| 3998 | s3_GET_INSN_CLASS (var_insts[i].type)); |
| 3999 | } |
| 4000 | |
| 4001 | /* Check data dependency. */ |
| 4002 | s3_handle_dependency (&inst_main); |
| 4003 | |
| 4004 | /* Start a new frag if frag_now is not empty. */ |
| 4005 | if (frag_now_fix () != 0) |
| 4006 | { |
| 4007 | if (!frag_now->tc_frag_data.is_insn) |
| 4008 | { |
| 4009 | frag_wane (frag_now); |
| 4010 | } |
| 4011 | frag_new (0); |
| 4012 | } |
| 4013 | frag_grow (20); |
| 4014 | |
| 4015 | /* Write fr_fix part. */ |
| 4016 | p = frag_more (inst_main.size); |
| 4017 | s3_md_number_to_chars (p, inst_main.instruction, inst_main.size); |
| 4018 | |
| 4019 | if (inst_main.reloc.type != BFD_RELOC_NONE) |
| 4020 | fixp = s3_fix_new_score (frag_now, p - frag_now->fr_literal, inst_main.size, |
| 4021 | &inst_main.reloc.exp, inst_main.reloc.pc_rel, inst_main.reloc.type); |
| 4022 | |
| 4023 | frag_now->tc_frag_data.fixp = fixp; |
| 4024 | cur_fixp = frag_now->tc_frag_data.fixp; |
| 4025 | |
| 4026 | #ifdef OBJ_ELF |
| 4027 | dwarf2_emit_insn (inst_main.size); |
| 4028 | #endif |
| 4029 | |
| 4030 | where = p - frag_now->fr_literal + inst_main.size; |
| 4031 | for (i = 0; i < var_num; i++) |
| 4032 | { |
| 4033 | if (i > 0) |
| 4034 | where += var_insts[i - 1].size; |
| 4035 | |
| 4036 | if (var_insts[i].reloc.type != BFD_RELOC_NONE) |
| 4037 | { |
| 4038 | fixp = s3_fix_new_score (frag_now, where, var_insts[i].size, |
| 4039 | &var_insts[i].reloc.exp, var_insts[i].reloc.pc_rel, |
| 4040 | var_insts[i].reloc.type); |
| 4041 | if (fixp) |
| 4042 | { |
| 4043 | if (cur_fixp) |
| 4044 | { |
| 4045 | cur_fixp->fx_next = fixp; |
| 4046 | cur_fixp = cur_fixp->fx_next; |
| 4047 | } |
| 4048 | else |
| 4049 | { |
| 4050 | frag_now->tc_frag_data.fixp = fixp; |
| 4051 | cur_fixp = frag_now->tc_frag_data.fixp; |
| 4052 | } |
| 4053 | } |
| 4054 | } |
| 4055 | } |
| 4056 | |
| 4057 | p = frag_var (rs_machine_dependent, inst_main.relax_size + s3_RELAX_PAD_BYTE, 0, |
| 4058 | s3_RELAX_ENCODE (inst_main.size, inst_main.relax_size, inst_main.type, |
| 4059 | 0, inst_main.size, 0), add_symbol, 0, NULL); |
| 4060 | |
| 4061 | /* Write fr_var part. |
| 4062 | no calling s3_gen_insn_frag, no fixS will be generated. */ |
| 4063 | for (i = 0; i < var_num; i++) |
| 4064 | { |
| 4065 | s3_md_number_to_chars (p, var_insts[i].instruction, var_insts[i].size); |
| 4066 | p += var_insts[i].size; |
| 4067 | } |
| 4068 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ |
| 4069 | s3_inst.bwarn = -1; |
| 4070 | } |
| 4071 | |
| 4072 | /* Build a relax frag for la instruction when generating s3_PIC, |
| 4073 | external symbol first and local symbol second. */ |
| 4074 | static void |
| 4075 | s3_build_la_pic (int reg_rd, expressionS exp) |
| 4076 | { |
| 4077 | symbolS *add_symbol = exp.X_add_symbol; |
| 4078 | offsetT add_number = exp.X_add_number; |
| 4079 | struct s3_score_it fix_insts[s3_RELAX_INST_NUM]; |
| 4080 | struct s3_score_it var_insts[s3_RELAX_INST_NUM]; |
| 4081 | int fix_num = 0; |
| 4082 | int var_num = 0; |
| 4083 | char tmp[s3_MAX_LITERAL_POOL_SIZE]; |
| 4084 | int r1_bak; |
| 4085 | |
| 4086 | r1_bak = s3_nor1; |
| 4087 | s3_nor1 = 0; |
| 4088 | |
| 4089 | if (add_number == 0) |
| 4090 | { |
| 4091 | fix_num = 1; |
| 4092 | var_num = 2; |
| 4093 | |
| 4094 | /* For an external symbol, only one insn is generated; |
| 4095 | For a local symbol, two insns are generated. */ |
| 4096 | /* Fix part |
| 4097 | For an external symbol: lw rD, <sym>($gp) |
| 4098 | (BFD_RELOC_SCORE_GOT15 or BFD_RELOC_SCORE_CALL15) */ |
| 4099 | sprintf (tmp, "lw_pic r%d, %s", reg_rd, add_symbol->bsym->name); |
| 4100 | if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL) |
| 4101 | return; |
| 4102 | |
| 4103 | if (reg_rd == s3_PIC_CALL_REG) |
| 4104 | s3_inst.reloc.type = BFD_RELOC_SCORE_CALL15; |
| 4105 | memcpy (&fix_insts[0], &s3_inst, sizeof (struct s3_score_it)); |
| 4106 | |
| 4107 | /* Var part |
| 4108 | For a local symbol : |
| 4109 | lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15) |
| 4110 | addi rD, <sym> (BFD_RELOC_GOT_LO16) */ |
| 4111 | s3_inst.reloc.type = BFD_RELOC_SCORE_GOT15; |
| 4112 | memcpy (&var_insts[0], &s3_inst, sizeof (struct s3_score_it)); |
| 4113 | sprintf (tmp, "addi_s_pic r%d, %s", reg_rd, add_symbol->bsym->name); |
| 4114 | if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL) |
| 4115 | return; |
| 4116 | |
| 4117 | memcpy (&var_insts[1], &s3_inst, sizeof (struct s3_score_it)); |
| 4118 | s3_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol); |
| 4119 | } |
| 4120 | else if (add_number >= -0x8000 && add_number <= 0x7fff) |
| 4121 | { |
| 4122 | /* Insn 1: lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15) */ |
| 4123 | sprintf (tmp, "lw_pic r%d, %s", reg_rd, add_symbol->bsym->name); |
| 4124 | if (s3_append_insn (tmp, TRUE) == (int) s3_FAIL) |
| 4125 | return; |
| 4126 | |
| 4127 | /* Insn 2 */ |
| 4128 | fix_num = 1; |
| 4129 | var_num = 1; |
| 4130 | /* Fix part |
| 4131 | For an external symbol: addi rD, <constant> */ |
| 4132 | sprintf (tmp, "addi r%d, %d", reg_rd, (int)add_number); |
| 4133 | if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL) |
| 4134 | return; |
| 4135 | |
| 4136 | memcpy (&fix_insts[0], &s3_inst, sizeof (struct s3_score_it)); |
| 4137 | |
| 4138 | /* Var part |
| 4139 | For a local symbol: addi rD, <sym>+<constant> (BFD_RELOC_GOT_LO16) */ |
| 4140 | sprintf (tmp, "addi_s_pic r%d, %s + %d", reg_rd, add_symbol->bsym->name, (int)add_number); |
| 4141 | if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL) |
| 4142 | return; |
| 4143 | |
| 4144 | memcpy (&var_insts[0], &s3_inst, sizeof (struct s3_score_it)); |
| 4145 | s3_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol); |
| 4146 | } |
| 4147 | else |
| 4148 | { |
| 4149 | int hi = (add_number >> 16) & 0x0000FFFF; |
| 4150 | int lo = add_number & 0x0000FFFF; |
| 4151 | |
| 4152 | /* Insn 1: lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15) */ |
| 4153 | sprintf (tmp, "lw_pic r%d, %s", reg_rd, add_symbol->bsym->name); |
| 4154 | if (s3_append_insn (tmp, TRUE) == (int) s3_FAIL) |
| 4155 | return; |
| 4156 | |
| 4157 | /* Insn 2 */ |
| 4158 | fix_num = 1; |
| 4159 | var_num = 1; |
| 4160 | /* Fix part |
| 4161 | For an external symbol: ldis r1, HI%<constant> */ |
| 4162 | sprintf (tmp, "ldis r1, %d", hi); |
| 4163 | if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL) |
| 4164 | return; |
| 4165 | |
| 4166 | memcpy (&fix_insts[0], &s3_inst, sizeof (struct s3_score_it)); |
| 4167 | |
| 4168 | /* Var part |
| 4169 | For a local symbol: ldis r1, HI%<constant> |
| 4170 | but, if lo is outof 16 bit, make hi plus 1 */ |
| 4171 | if ((lo < -0x8000) || (lo > 0x7fff)) |
| 4172 | { |
| 4173 | hi += 1; |
| 4174 | } |
| 4175 | sprintf (tmp, "ldis_pic r1, %d", hi); |
| 4176 | if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL) |
| 4177 | return; |
| 4178 | |
| 4179 | memcpy (&var_insts[0], &s3_inst, sizeof (struct s3_score_it)); |
| 4180 | s3_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol); |
| 4181 | |
| 4182 | /* Insn 3 */ |
| 4183 | fix_num = 1; |
| 4184 | var_num = 1; |
| 4185 | /* Fix part |
| 4186 | For an external symbol: ori r1, LO%<constant> */ |
| 4187 | sprintf (tmp, "ori r1, %d", lo); |
| 4188 | if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL) |
| 4189 | return; |
| 4190 | |
| 4191 | memcpy (&fix_insts[0], &s3_inst, sizeof (struct s3_score_it)); |
| 4192 | |
| 4193 | /* Var part |
| 4194 | For a local symbol: addi r1, <sym>+LO%<constant> (BFD_RELOC_GOT_LO16) */ |
| 4195 | sprintf (tmp, "addi_u_pic r1, %s + %d", add_symbol->bsym->name, lo); |
| 4196 | if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL) |
| 4197 | return; |
| 4198 | |
| 4199 | memcpy (&var_insts[0], &s3_inst, sizeof (struct s3_score_it)); |
| 4200 | s3_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol); |
| 4201 | |
| 4202 | /* Insn 4: add rD, rD, r1 */ |
| 4203 | sprintf (tmp, "add r%d, r%d, r1", reg_rd, reg_rd); |
| 4204 | if (s3_append_insn (tmp, TRUE) == (int) s3_FAIL) |
| 4205 | return; |
| 4206 | |
| 4207 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ |
| 4208 | s3_inst.bwarn = -1; |
| 4209 | } |
| 4210 | |
| 4211 | s3_nor1 = r1_bak; |
| 4212 | } |
| 4213 | |
| 4214 | /* Handle la. */ |
| 4215 | static void |
| 4216 | s3_do_macro_la_rdi32 (char *str) |
| 4217 | { |
| 4218 | int reg_rd; |
| 4219 | |
| 4220 | s3_skip_whitespace (str); |
| 4221 | if ((reg_rd = s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE)) == (int) s3_FAIL |
| 4222 | || s3_skip_past_comma (&str) == (int) s3_FAIL) |
| 4223 | { |
| 4224 | return; |
| 4225 | } |
| 4226 | else |
| 4227 | { |
| 4228 | /* Save str. */ |
| 4229 | char *keep_data = str; |
| 4230 | char append_str[s3_MAX_LITERAL_POOL_SIZE]; |
| 4231 | |
| 4232 | /* Check immediate value. */ |
| 4233 | if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL) |
| 4234 | { |
| 4235 | s3_inst.error = _("expression error"); |
| 4236 | return; |
| 4237 | } |
| 4238 | else if ((s3_inst.reloc.exp.X_add_symbol == NULL) |
| 4239 | && (s3_validate_immediate (s3_inst.reloc.exp.X_add_number, _IMM32, 0) == (int) s3_FAIL)) |
| 4240 | { |
| 4241 | s3_inst.error = _("value not in range [0, 0xffffffff]"); |
| 4242 | return; |
| 4243 | } |
| 4244 | |
| 4245 | /* Reset str. */ |
| 4246 | str = keep_data; |
| 4247 | |
| 4248 | /* la rd, simm16. */ |
| 4249 | if (s3_data_op2 (&str, 1, _SIMM16_LA) != (int) s3_FAIL) |
| 4250 | { |
| 4251 | s3_end_of_line (str); |
| 4252 | return; |
| 4253 | } |
| 4254 | /* la rd, imm32 or la rd, label. */ |
| 4255 | else |
| 4256 | { |
| 4257 | s3_SET_INSN_ERROR (NULL); |
| 4258 | /* Reset str. */ |
| 4259 | str = keep_data; |
| 4260 | if ((s3_data_op2 (&str, 1, _VALUE_HI16) == (int) s3_FAIL) |
| 4261 | || (s3_end_of_line (str) == (int) s3_FAIL)) |
| 4262 | { |
| 4263 | return; |
| 4264 | } |
| 4265 | else |
| 4266 | { |
| 4267 | if ((s3_score_pic == s3_NO_PIC) || (!s3_inst.reloc.exp.X_add_symbol)) |
| 4268 | { |
| 4269 | sprintf (append_str, "ld_i32hi r%d, %s", reg_rd, keep_data); |
| 4270 | if (s3_append_insn (append_str, TRUE) == (int) s3_FAIL) |
| 4271 | return; |
| 4272 | |
| 4273 | sprintf (append_str, "ld_i32lo r%d, %s", reg_rd, keep_data); |
| 4274 | if (s3_append_insn (append_str, TRUE) == (int) s3_FAIL) |
| 4275 | return; |
| 4276 | } |
| 4277 | else |
| 4278 | { |
| 4279 | gas_assert (s3_inst.reloc.exp.X_add_symbol); |
| 4280 | s3_build_la_pic (reg_rd, s3_inst.reloc.exp); |
| 4281 | } |
| 4282 | |
| 4283 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ |
| 4284 | s3_inst.bwarn = -1; |
| 4285 | } |
| 4286 | } |
| 4287 | } |
| 4288 | } |
| 4289 | |
| 4290 | /* Handle li. */ |
| 4291 | static void |
| 4292 | s3_do_macro_li_rdi32 (char *str) |
| 4293 | { |
| 4294 | |
| 4295 | int reg_rd; |
| 4296 | |
| 4297 | s3_skip_whitespace (str); |
| 4298 | if ((reg_rd = s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE)) == (int) s3_FAIL |
| 4299 | || s3_skip_past_comma (&str) == (int) s3_FAIL) |
| 4300 | { |
| 4301 | return; |
| 4302 | } |
| 4303 | else |
| 4304 | { |
| 4305 | /* Save str. */ |
| 4306 | char *keep_data = str; |
| 4307 | |
| 4308 | /* Check immediate value. */ |
| 4309 | if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL) |
| 4310 | { |
| 4311 | s3_inst.error = _("expression error"); |
| 4312 | return; |
| 4313 | } |
| 4314 | else if (!(s3_inst.reloc.exp.X_add_number >= -0xffffffffLL |
| 4315 | && s3_inst.reloc.exp.X_add_number <= 0xffffffffLL)) |
| 4316 | { |
| 4317 | s3_inst.error = _("value not in range [-0xffffffff, 0xffffffff]"); |
| 4318 | return; |
| 4319 | } |
| 4320 | |
| 4321 | /* Reset str. */ |
| 4322 | str = keep_data; |
| 4323 | |
| 4324 | /* li rd, simm16. */ |
| 4325 | if (s3_data_op2 (&str, 1, _SIMM16_LA) != (int) s3_FAIL) |
| 4326 | { |
| 4327 | s3_end_of_line (str); |
| 4328 | return; |
| 4329 | } |
| 4330 | /* li rd, imm32. */ |
| 4331 | else |
| 4332 | { |
| 4333 | char append_str[s3_MAX_LITERAL_POOL_SIZE]; |
| 4334 | |
| 4335 | /* Reset str. */ |
| 4336 | str = keep_data; |
| 4337 | |
| 4338 | if ((s3_data_op2 (&str, 1, _VALUE_HI16) == (int) s3_FAIL) |
| 4339 | || (s3_end_of_line (str) == (int) s3_FAIL)) |
| 4340 | { |
| 4341 | return; |
| 4342 | } |
| 4343 | else if (s3_inst.reloc.exp.X_add_symbol) |
| 4344 | { |
| 4345 | s3_inst.error = _("li rd label isn't correct instruction form"); |
| 4346 | return; |
| 4347 | } |
| 4348 | else |
| 4349 | { |
| 4350 | sprintf (append_str, "ld_i32hi r%d, %s", reg_rd, keep_data); |
| 4351 | |
| 4352 | if (s3_append_insn (append_str, TRUE) == (int) s3_FAIL) |
| 4353 | return; |
| 4354 | else |
| 4355 | { |
| 4356 | sprintf (append_str, "ld_i32lo r%d, %s", reg_rd, keep_data); |
| 4357 | if (s3_append_insn (append_str, TRUE) == (int) s3_FAIL) |
| 4358 | return; |
| 4359 | |
| 4360 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ |
| 4361 | s3_inst.bwarn = -1; |
| 4362 | } |
| 4363 | } |
| 4364 | } |
| 4365 | } |
| 4366 | } |
| 4367 | |
| 4368 | /* Handle mul/mulu/div/divu/rem/remu. */ |
| 4369 | static void |
| 4370 | s3_do_macro_mul_rdrsrs (char *str) |
| 4371 | { |
| 4372 | int reg_rd; |
| 4373 | int reg_rs1; |
| 4374 | int reg_rs2; |
| 4375 | char *backupstr; |
| 4376 | char append_str[s3_MAX_LITERAL_POOL_SIZE]; |
| 4377 | |
| 4378 | if (s3_university_version == 1) |
| 4379 | as_warn ("%s", s3_ERR_FOR_SCORE5U_MUL_DIV); |
| 4380 | |
| 4381 | strcpy (append_str, str); |
| 4382 | backupstr = append_str; |
| 4383 | s3_skip_whitespace (backupstr); |
| 4384 | if (((reg_rd = s3_reg_required_here (&backupstr, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL) |
| 4385 | || (s3_skip_past_comma (&backupstr) == (int) s3_FAIL) |
| 4386 | || ((reg_rs1 = s3_reg_required_here (&backupstr, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL)) |
| 4387 | { |
| 4388 | s3_inst.error = s3_BAD_ARGS; |
| 4389 | return; |
| 4390 | } |
| 4391 | |
| 4392 | if (s3_skip_past_comma (&backupstr) == (int) s3_FAIL) |
| 4393 | { |
| 4394 | /* rem/remu rA, rB is error format. */ |
| 4395 | if (strcmp (s3_inst.name, "rem") == 0 || strcmp (s3_inst.name, "remu") == 0) |
| 4396 | { |
| 4397 | s3_SET_INSN_ERROR (s3_BAD_ARGS); |
| 4398 | } |
| 4399 | else |
| 4400 | { |
| 4401 | s3_SET_INSN_ERROR (NULL); |
| 4402 | s3_do_rsrs (str); |
| 4403 | } |
| 4404 | return; |
| 4405 | } |
| 4406 | else |
| 4407 | { |
| 4408 | s3_SET_INSN_ERROR (NULL); |
| 4409 | if (((reg_rs2 = s3_reg_required_here (&backupstr, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL) |
| 4410 | || (s3_end_of_line (backupstr) == (int) s3_FAIL)) |
| 4411 | { |
| 4412 | return; |
| 4413 | } |
| 4414 | else |
| 4415 | { |
| 4416 | char append_str1[s3_MAX_LITERAL_POOL_SIZE]; |
| 4417 | |
| 4418 | if (strcmp (s3_inst.name, "rem") == 0) |
| 4419 | { |
| 4420 | sprintf (append_str, "mul r%d, r%d", reg_rs1, reg_rs2); |
| 4421 | sprintf (append_str1, "mfceh r%d", reg_rd); |
| 4422 | } |
| 4423 | else if (strcmp (s3_inst.name, "remu") == 0) |
| 4424 | { |
| 4425 | sprintf (append_str, "mulu r%d, r%d", reg_rs1, reg_rs2); |
| 4426 | sprintf (append_str1, "mfceh r%d", reg_rd); |
| 4427 | } |
| 4428 | else |
| 4429 | { |
| 4430 | sprintf (append_str, "%s r%d, r%d", s3_inst.name, reg_rs1, reg_rs2); |
| 4431 | sprintf (append_str1, "mfcel r%d", reg_rd); |
| 4432 | } |
| 4433 | |
| 4434 | /* Output mul/mulu or div/divu or rem/remu. */ |
| 4435 | if (s3_append_insn (append_str, TRUE) == (int) s3_FAIL) |
| 4436 | return; |
| 4437 | |
| 4438 | /* Output mfcel or mfceh. */ |
| 4439 | if (s3_append_insn (append_str1, TRUE) == (int) s3_FAIL) |
| 4440 | return; |
| 4441 | |
| 4442 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ |
| 4443 | s3_inst.bwarn = -1; |
| 4444 | } |
| 4445 | } |
| 4446 | } |
| 4447 | |
| 4448 | static void |
| 4449 | s3_exp_macro_ldst_abs (char *str) |
| 4450 | { |
| 4451 | int reg_rd; |
| 4452 | char *backupstr, *tmp; |
| 4453 | char append_str[s3_MAX_LITERAL_POOL_SIZE]; |
| 4454 | char verifystr[s3_MAX_LITERAL_POOL_SIZE]; |
| 4455 | struct s3_score_it inst_backup; |
| 4456 | int r1_bak = 0; |
| 4457 | |
| 4458 | r1_bak = s3_nor1; |
| 4459 | s3_nor1 = 0; |
| 4460 | memcpy (&inst_backup, &s3_inst, sizeof (struct s3_score_it)); |
| 4461 | |
| 4462 | strcpy (verifystr, str); |
| 4463 | backupstr = verifystr; |
| 4464 | s3_skip_whitespace (backupstr); |
| 4465 | if ((reg_rd = s3_reg_required_here (&backupstr, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL) |
| 4466 | return; |
| 4467 | |
| 4468 | tmp = backupstr; |
| 4469 | if (s3_skip_past_comma (&backupstr) == (int) s3_FAIL) |
| 4470 | return; |
| 4471 | |
| 4472 | backupstr = tmp; |
| 4473 | sprintf (append_str, "li r1 %s", backupstr); |
| 4474 | s3_append_insn (append_str, TRUE); |
| 4475 | |
| 4476 | memcpy (&s3_inst, &inst_backup, sizeof (struct s3_score_it)); |
| 4477 | sprintf (append_str, " r%d, [r1,0]", reg_rd); |
| 4478 | s3_do_ldst_insn (append_str); |
| 4479 | |
| 4480 | s3_nor1 = r1_bak; |
| 4481 | } |
| 4482 | |
| 4483 | /* Handle bcmpeq / bcmpne */ |
| 4484 | static void |
| 4485 | s3_do_macro_bcmp (char *str) |
| 4486 | { |
| 4487 | int reg_a , reg_b; |
| 4488 | char keep_data[s3_MAX_LITERAL_POOL_SIZE]; |
| 4489 | char* ptemp; |
| 4490 | int i = 0; |
| 4491 | struct s3_score_it inst_expand[2]; |
| 4492 | struct s3_score_it inst_main; |
| 4493 | |
| 4494 | memset (inst_expand, 0, sizeof inst_expand); |
| 4495 | s3_skip_whitespace (str); |
| 4496 | if (( reg_a = s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE)) == (int) s3_FAIL |
| 4497 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 4498 | ||(reg_b = s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE)) == (int) s3_FAIL |
| 4499 | || s3_skip_past_comma (&str) == (int) s3_FAIL) |
| 4500 | return; |
| 4501 | ptemp = str; |
| 4502 | while (*ptemp != 0) |
| 4503 | { |
| 4504 | keep_data[i] = *ptemp; |
| 4505 | i++; |
| 4506 | ptemp++; |
| 4507 | } |
| 4508 | keep_data[i] = 0; |
| 4509 | if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL |
| 4510 | ||reg_b == 0 |
| 4511 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 4512 | return; |
| 4513 | else if (s3_inst.reloc.exp.X_add_symbol == 0) |
| 4514 | { |
| 4515 | s3_inst.error = _("lacking label "); |
| 4516 | return; |
| 4517 | } |
| 4518 | else |
| 4519 | { |
| 4520 | char append_str[s3_MAX_LITERAL_POOL_SIZE]; |
| 4521 | s3_SET_INSN_ERROR (NULL); |
| 4522 | |
| 4523 | s3_inst.reloc.type = BFD_RELOC_SCORE_BCMP; |
| 4524 | s3_inst.reloc.pc_rel = 1; |
| 4525 | bfd_signed_vma val = s3_inst.reloc.exp.X_add_number; |
| 4526 | |
| 4527 | /* Branch 32 offset field : 20 bit, 16 bit branch offset field : 8 bit. */ |
| 4528 | s3_inst.instruction |= ((s3_inst.reloc.exp.X_add_number >> 1) & 0x1) |
| 4529 | | ((s3_inst.reloc.exp.X_add_number >> 2) & 0x7) << 7 |
| 4530 | | ((s3_inst.reloc.exp.X_add_number >> 5) & 0x1f) << 20; |
| 4531 | |
| 4532 | /* Check and set offset. */ |
| 4533 | if (((val & 0xfffffe00) != 0) |
| 4534 | && ((val & 0xfffffe00) != 0xfffffe00)) |
| 4535 | { |
| 4536 | /* support bcmp --> cmp!+beq (bne) */ |
| 4537 | if (s3_score_pic == s3_NO_PIC) |
| 4538 | { |
| 4539 | sprintf (&append_str[0], "cmp! r%d, r%d", reg_a, reg_b); |
| 4540 | if (s3_append_insn (&append_str[0], TRUE) == (int) s3_FAIL) |
| 4541 | return; |
| 4542 | if ((inst_main.instruction & 0x3e00007e) == 0x0000004c) |
| 4543 | sprintf (&append_str[1], "beq %s", keep_data); |
| 4544 | else |
| 4545 | sprintf (&append_str[1], "bne %s", keep_data); |
| 4546 | if (s3_append_insn (&append_str[1], TRUE) == (int) s3_FAIL) |
| 4547 | return; |
| 4548 | } |
| 4549 | else |
| 4550 | { |
| 4551 | gas_assert (s3_inst.reloc.exp.X_add_symbol); |
| 4552 | } |
| 4553 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ |
| 4554 | s3_inst.bwarn = -1; |
| 4555 | return; |
| 4556 | } |
| 4557 | else |
| 4558 | { |
| 4559 | val >>= 1; |
| 4560 | s3_inst.instruction |= (val & 0x1) |
| 4561 | | (((val >> 1) & 0x7) << 7) |
| 4562 | | (((val >> 4) & 0x1f) << 20); |
| 4563 | } |
| 4564 | |
| 4565 | /* Backup s3_inst. */ |
| 4566 | memcpy (&inst_main, &s3_inst, sizeof (struct s3_score_it)); |
| 4567 | |
| 4568 | if (s3_score_pic == s3_NO_PIC) |
| 4569 | { |
| 4570 | sprintf (&append_str[0], "cmp! r%d, r%d", reg_a, reg_b); |
| 4571 | if (s3_append_insn (&append_str[0], FALSE) == (int) s3_FAIL) |
| 4572 | return; |
| 4573 | memcpy (&inst_expand[0], &s3_inst, sizeof (struct s3_score_it)); |
| 4574 | |
| 4575 | if ((inst_main.instruction & 0x3e00007e) == 0x0000004c) |
| 4576 | sprintf (&append_str[1], "beq %s", keep_data); |
| 4577 | else |
| 4578 | sprintf (&append_str[1], "bne %s", keep_data); |
| 4579 | if (s3_append_insn (&append_str[1], FALSE) == (int) s3_FAIL) |
| 4580 | return; |
| 4581 | memcpy (&inst_expand[1], &s3_inst, sizeof (struct s3_score_it)); |
| 4582 | } |
| 4583 | else |
| 4584 | { |
| 4585 | gas_assert (s3_inst.reloc.exp.X_add_symbol); |
| 4586 | } |
| 4587 | inst_main.relax_size = inst_expand[0].size + inst_expand[1].size; |
| 4588 | inst_main.type = Insn_BCMP; |
| 4589 | |
| 4590 | /* Adjust instruction opcode and to be relaxed instruction opcode. */ |
| 4591 | inst_main.instruction = s3_adjust_paritybit (inst_main.instruction, s3_GET_INSN_CLASS (inst_main.type)); |
| 4592 | |
| 4593 | for (i = 0; i < 2; i++) |
| 4594 | inst_expand[i].instruction = s3_adjust_paritybit (inst_expand[i].instruction, |
| 4595 | s3_GET_INSN_CLASS (inst_expand[i].type)); |
| 4596 | /* Check data dependency. */ |
| 4597 | s3_handle_dependency (&inst_main); |
| 4598 | /* Start a new frag if frag_now is not empty. */ |
| 4599 | if (frag_now_fix () != 0) |
| 4600 | { |
| 4601 | if (!frag_now->tc_frag_data.is_insn) |
| 4602 | frag_wane (frag_now); |
| 4603 | frag_new (0); |
| 4604 | } |
| 4605 | frag_grow (20); |
| 4606 | |
| 4607 | /* Write fr_fix part. */ |
| 4608 | char *p; |
| 4609 | p = frag_more (inst_main.size); |
| 4610 | s3_md_number_to_chars (p, inst_main.instruction, inst_main.size); |
| 4611 | |
| 4612 | if (inst_main.reloc.type != BFD_RELOC_NONE) |
| 4613 | { |
| 4614 | s3_fix_new_score (frag_now, p - frag_now->fr_literal, inst_main.size, |
| 4615 | &inst_main.reloc.exp, inst_main.reloc.pc_rel, inst_main.reloc.type); |
| 4616 | } |
| 4617 | #ifdef OBJ_ELF |
| 4618 | dwarf2_emit_insn (inst_main.size); |
| 4619 | #endif |
| 4620 | |
| 4621 | /* s3_GP instruction can not do optimization, only can do relax between |
| 4622 | 1 instruction and 3 instructions. */ |
| 4623 | p = frag_var (rs_machine_dependent, inst_main.relax_size + s3_RELAX_PAD_BYTE, 0, |
| 4624 | s3_RELAX_ENCODE (inst_main.size, inst_main.relax_size, inst_main.type, 0, 4, 1), |
| 4625 | inst_main.reloc.exp.X_add_symbol, 0, NULL); |
| 4626 | |
| 4627 | /* Write fr_var part. |
| 4628 | no calling s3_gen_insn_frag, no fixS will be generated. */ |
| 4629 | s3_md_number_to_chars (p, inst_expand[0].instruction, inst_expand[0].size); |
| 4630 | p += inst_expand[0].size; |
| 4631 | s3_md_number_to_chars (p, inst_expand[1].instruction, inst_expand[1].size); |
| 4632 | p += inst_expand[1].size; |
| 4633 | |
| 4634 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ |
| 4635 | s3_inst.bwarn = -1; |
| 4636 | } |
| 4637 | } |
| 4638 | |
| 4639 | /* Handle bcmpeqz / bcmpnez */ |
| 4640 | static void |
| 4641 | s3_do_macro_bcmpz (char *str) |
| 4642 | { |
| 4643 | int reg_a; |
| 4644 | char keep_data[s3_MAX_LITERAL_POOL_SIZE]; |
| 4645 | char* ptemp; |
| 4646 | int i = 0; |
| 4647 | struct s3_score_it inst_expand[2]; |
| 4648 | struct s3_score_it inst_main; |
| 4649 | |
| 4650 | memset (inst_expand, 0, sizeof inst_expand); |
| 4651 | s3_skip_whitespace (str); |
| 4652 | if (( reg_a = s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE)) == (int) s3_FAIL |
| 4653 | || s3_skip_past_comma (&str) == (int) s3_FAIL) |
| 4654 | return; |
| 4655 | ptemp = str; |
| 4656 | while (*ptemp != 0) |
| 4657 | { |
| 4658 | keep_data[i] = *ptemp; |
| 4659 | i++; |
| 4660 | ptemp++; |
| 4661 | } |
| 4662 | |
| 4663 | keep_data[i] = 0; |
| 4664 | |
| 4665 | if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL |
| 4666 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 4667 | return; |
| 4668 | else if (s3_inst.reloc.exp.X_add_symbol == 0) |
| 4669 | { |
| 4670 | s3_inst.error = _("lacking label "); |
| 4671 | return; |
| 4672 | } |
| 4673 | else |
| 4674 | { |
| 4675 | char append_str[s3_MAX_LITERAL_POOL_SIZE]; |
| 4676 | s3_SET_INSN_ERROR (NULL); |
| 4677 | s3_inst.reloc.type = BFD_RELOC_SCORE_BCMP; |
| 4678 | s3_inst.reloc.pc_rel = 1; |
| 4679 | bfd_signed_vma val = s3_inst.reloc.exp.X_add_number; |
| 4680 | |
| 4681 | /* Branch 32 offset field : 20 bit, 16 bit branch offset field : 8 bit. */ |
| 4682 | 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; |
| 4683 | |
| 4684 | /* Check and set offset. */ |
| 4685 | if (((val & 0xfffffe00) != 0) |
| 4686 | && ((val & 0xfffffe00) != 0xfffffe00)) |
| 4687 | { |
| 4688 | if (s3_score_pic == s3_NO_PIC) |
| 4689 | { |
| 4690 | sprintf (&append_str[0], "cmpi! r%d,0", reg_a); |
| 4691 | if (s3_append_insn (&append_str[0], TRUE) == (int) s3_FAIL) |
| 4692 | return; |
| 4693 | if ((inst_main.instruction & 0x3e00007e) == 0x0000004c) |
| 4694 | sprintf (&append_str[1], "beq %s", keep_data); |
| 4695 | else |
| 4696 | sprintf (&append_str[1], "bne %s", keep_data); |
| 4697 | if (s3_append_insn (&append_str[1], TRUE) == (int) s3_FAIL) |
| 4698 | return; |
| 4699 | } |
| 4700 | else |
| 4701 | { |
| 4702 | gas_assert (s3_inst.reloc.exp.X_add_symbol); |
| 4703 | } |
| 4704 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ |
| 4705 | s3_inst.bwarn = -1; |
| 4706 | return; |
| 4707 | } |
| 4708 | else |
| 4709 | { |
| 4710 | val >>= 1; |
| 4711 | s3_inst.instruction |= (val & 0x1) |
| 4712 | | (((val >> 1) & 0x7) << 7) |
| 4713 | | (((val >> 4) & 0x1f) << 20); |
| 4714 | } |
| 4715 | |
| 4716 | /* Backup s3_inst. */ |
| 4717 | memcpy (&inst_main, &s3_inst, sizeof (struct s3_score_it)); |
| 4718 | |
| 4719 | if (s3_score_pic == s3_NO_PIC) |
| 4720 | { |
| 4721 | sprintf (&append_str[0], "cmpi! r%d, 0", reg_a); |
| 4722 | if (s3_append_insn (&append_str[0], FALSE) == (int) s3_FAIL) |
| 4723 | return; |
| 4724 | memcpy (&inst_expand[0], &s3_inst, sizeof (struct s3_score_it)); |
| 4725 | if ((inst_main.instruction & 0x3e00007e) == 0x0000004c) |
| 4726 | sprintf (&append_str[1], "beq %s", keep_data); |
| 4727 | else |
| 4728 | sprintf (&append_str[1], "bne %s", keep_data); |
| 4729 | if (s3_append_insn (&append_str[1], FALSE) == (int) s3_FAIL) |
| 4730 | return; |
| 4731 | memcpy (&inst_expand[1], &s3_inst, sizeof (struct s3_score_it)); |
| 4732 | } |
| 4733 | else |
| 4734 | { |
| 4735 | gas_assert (s3_inst.reloc.exp.X_add_symbol); |
| 4736 | } |
| 4737 | inst_main.relax_size = inst_expand[0].size + inst_expand[1].size; |
| 4738 | inst_main.type = Insn_BCMP; |
| 4739 | |
| 4740 | /* Adjust instruction opcode and to be relaxed instruction opcode. */ |
| 4741 | inst_main.instruction = s3_adjust_paritybit (inst_main.instruction, s3_GET_INSN_CLASS (inst_main.type)); |
| 4742 | |
| 4743 | for (i = 0; i < 2; i++) |
| 4744 | inst_expand[i].instruction = s3_adjust_paritybit (inst_expand[i].instruction , |
| 4745 | s3_GET_INSN_CLASS (inst_expand[i].type)); |
| 4746 | /* Check data dependency. */ |
| 4747 | s3_handle_dependency (&inst_main); |
| 4748 | /* Start a new frag if frag_now is not empty. */ |
| 4749 | if (frag_now_fix () != 0) |
| 4750 | { |
| 4751 | if (!frag_now->tc_frag_data.is_insn) |
| 4752 | frag_wane (frag_now); |
| 4753 | frag_new (0); |
| 4754 | } |
| 4755 | frag_grow (20); |
| 4756 | |
| 4757 | /* Write fr_fix part. */ |
| 4758 | char *p; |
| 4759 | p = frag_more (inst_main.size); |
| 4760 | s3_md_number_to_chars (p, inst_main.instruction, inst_main.size); |
| 4761 | |
| 4762 | if (inst_main.reloc.type != BFD_RELOC_NONE) |
| 4763 | { |
| 4764 | s3_fix_new_score (frag_now, p - frag_now->fr_literal, inst_main.size, |
| 4765 | &inst_main.reloc.exp, inst_main.reloc.pc_rel, inst_main.reloc.type); |
| 4766 | } |
| 4767 | #ifdef OBJ_ELF |
| 4768 | dwarf2_emit_insn (inst_main.size); |
| 4769 | #endif |
| 4770 | |
| 4771 | /* s3_GP instruction can not do optimization, only can do relax between |
| 4772 | 1 instruction and 3 instructions. */ |
| 4773 | p = frag_var (rs_machine_dependent, inst_main.relax_size + s3_RELAX_PAD_BYTE, 0, |
| 4774 | s3_RELAX_ENCODE (inst_main.size, inst_main.relax_size, inst_main.type, 0, 4, 1), |
| 4775 | inst_main.reloc.exp.X_add_symbol, 0, NULL); |
| 4776 | |
| 4777 | /* Write fr_var part. |
| 4778 | no calling s3_gen_insn_frag, no fixS will be generated. */ |
| 4779 | s3_md_number_to_chars (p, inst_expand[0].instruction, inst_expand[0].size); |
| 4780 | p += inst_expand[0].size; |
| 4781 | s3_md_number_to_chars (p, inst_expand[1].instruction, inst_expand[1].size); |
| 4782 | p += inst_expand[1].size; |
| 4783 | |
| 4784 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ |
| 4785 | s3_inst.bwarn = -1; |
| 4786 | } |
| 4787 | } |
| 4788 | |
| 4789 | static int |
| 4790 | s3_nopic_need_relax (symbolS * sym, int before_relaxing) |
| 4791 | { |
| 4792 | if (sym == NULL) |
| 4793 | return 0; |
| 4794 | else if (s3_USE_GLOBAL_POINTER_OPT && s3_g_switch_value > 0) |
| 4795 | { |
| 4796 | const char *symname; |
| 4797 | const char *segname; |
| 4798 | |
| 4799 | /* Find out whether this symbol can be referenced off the $gp |
| 4800 | register. It can be if it is smaller than the -G size or if |
| 4801 | it is in the .sdata or .sbss section. Certain symbols can |
| 4802 | not be referenced off the $gp, although it appears as though |
| 4803 | they can. */ |
| 4804 | symname = S_GET_NAME (sym); |
| 4805 | if (symname != (const char *)NULL |
| 4806 | && (strcmp (symname, "eprol") == 0 |
| 4807 | || strcmp (symname, "etext") == 0 |
| 4808 | || strcmp (symname, "_gp") == 0 |
| 4809 | || strcmp (symname, "edata") == 0 |
| 4810 | || strcmp (symname, "_fbss") == 0 |
| 4811 | || strcmp (symname, "_fdata") == 0 |
| 4812 | || strcmp (symname, "_ftext") == 0 |
| 4813 | || strcmp (symname, "end") == 0 |
| 4814 | || strcmp (symname, GP_DISP_LABEL) == 0)) |
| 4815 | { |
| 4816 | return 1; |
| 4817 | } |
| 4818 | else if ((!S_IS_DEFINED (sym) || S_IS_COMMON (sym)) && (0 |
| 4819 | /* We must defer this decision until after the whole file has been read, |
| 4820 | since there might be a .extern after the first use of this symbol. */ |
| 4821 | || (before_relaxing |
| 4822 | && S_GET_VALUE (sym) == 0) |
| 4823 | || (S_GET_VALUE (sym) != 0 |
| 4824 | && S_GET_VALUE (sym) <= s3_g_switch_value))) |
| 4825 | { |
| 4826 | return 0; |
| 4827 | } |
| 4828 | |
| 4829 | segname = segment_name (S_GET_SEGMENT (sym)); |
| 4830 | return (strcmp (segname, ".sdata") != 0 |
| 4831 | && strcmp (segname, ".sbss") != 0 |
| 4832 | && strncmp (segname, ".sdata.", 7) != 0 |
| 4833 | && strncmp (segname, ".gnu.linkonce.s.", 16) != 0); |
| 4834 | } |
| 4835 | /* We are not optimizing for the $gp register. */ |
| 4836 | else |
| 4837 | return 1; |
| 4838 | } |
| 4839 | |
| 4840 | /* Build a relax frag for lw/st instruction when generating s3_PIC, |
| 4841 | external symbol first and local symbol second. */ |
| 4842 | static void |
| 4843 | s3_build_lwst_pic (int reg_rd, expressionS exp, const char *insn_name) |
| 4844 | { |
| 4845 | symbolS *add_symbol = exp.X_add_symbol; |
| 4846 | int add_number = exp.X_add_number; |
| 4847 | struct s3_score_it fix_insts[s3_RELAX_INST_NUM]; |
| 4848 | struct s3_score_it var_insts[s3_RELAX_INST_NUM]; |
| 4849 | int fix_num = 0; |
| 4850 | int var_num = 0; |
| 4851 | char tmp[s3_MAX_LITERAL_POOL_SIZE]; |
| 4852 | int r1_bak; |
| 4853 | |
| 4854 | r1_bak = s3_nor1; |
| 4855 | s3_nor1 = 0; |
| 4856 | |
| 4857 | if ((add_number == 0) || (add_number >= -0x8000 && add_number <= 0x7fff)) |
| 4858 | { |
| 4859 | fix_num = 1; |
| 4860 | var_num = 2; |
| 4861 | |
| 4862 | /* For an external symbol, two insns are generated; |
| 4863 | For a local symbol, three insns are generated. */ |
| 4864 | /* Fix part |
| 4865 | For an external symbol: lw rD, <sym>($gp) |
| 4866 | (BFD_RELOC_SCORE_GOT15) */ |
| 4867 | sprintf (tmp, "lw_pic r1, %s", add_symbol->bsym->name); |
| 4868 | if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL) |
| 4869 | return; |
| 4870 | |
| 4871 | memcpy (&fix_insts[0], &s3_inst, sizeof (struct s3_score_it)); |
| 4872 | |
| 4873 | /* Var part |
| 4874 | For a local symbol : |
| 4875 | lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15) |
| 4876 | addi rD, <sym> (BFD_RELOC_GOT_LO16) */ |
| 4877 | s3_inst.reloc.type = BFD_RELOC_SCORE_GOT15; |
| 4878 | memcpy (&var_insts[0], &s3_inst, sizeof (struct s3_score_it)); |
| 4879 | sprintf (tmp, "addi_s_pic r1, %s", add_symbol->bsym->name); |
| 4880 | if (s3_append_insn (tmp, FALSE) == (int) s3_FAIL) |
| 4881 | return; |
| 4882 | |
| 4883 | memcpy (&var_insts[1], &s3_inst, sizeof (struct s3_score_it)); |
| 4884 | s3_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol); |
| 4885 | |
| 4886 | /* Insn 2 or Insn 3: lw/st rD, [r1, constant] */ |
| 4887 | sprintf (tmp, "%s r%d, [r1, %d]", insn_name, reg_rd, add_number); |
| 4888 | if (s3_append_insn (tmp, TRUE) == (int) s3_FAIL) |
| 4889 | return; |
| 4890 | |
| 4891 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ |
| 4892 | s3_inst.bwarn = -1; |
| 4893 | } |
| 4894 | else |
| 4895 | { |
| 4896 | s3_inst.error = _("s3_PIC code offset overflow (max 16 signed bits)"); |
| 4897 | return; |
| 4898 | } |
| 4899 | |
| 4900 | s3_nor1 = r1_bak; |
| 4901 | } |
| 4902 | |
| 4903 | static void |
| 4904 | s3_do_macro_ldst_label (char *str) |
| 4905 | { |
| 4906 | int i; |
| 4907 | int ldst_gp_p = 0; |
| 4908 | int reg_rd; |
| 4909 | int r1_bak; |
| 4910 | char *backup_str; |
| 4911 | char *label_str; |
| 4912 | char *absolute_value; |
| 4913 | char append_str[3][s3_MAX_LITERAL_POOL_SIZE]; |
| 4914 | char verifystr[s3_MAX_LITERAL_POOL_SIZE]; |
| 4915 | struct s3_score_it inst_backup; |
| 4916 | struct s3_score_it inst_expand[3]; |
| 4917 | struct s3_score_it inst_main; |
| 4918 | |
| 4919 | memcpy (&inst_backup, &s3_inst, sizeof (struct s3_score_it)); |
| 4920 | strcpy (verifystr, str); |
| 4921 | backup_str = verifystr; |
| 4922 | |
| 4923 | s3_skip_whitespace (backup_str); |
| 4924 | if ((reg_rd = s3_reg_required_here (&backup_str, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL) |
| 4925 | return; |
| 4926 | |
| 4927 | if (s3_skip_past_comma (&backup_str) == (int) s3_FAIL) |
| 4928 | return; |
| 4929 | |
| 4930 | label_str = backup_str; |
| 4931 | |
| 4932 | /* Ld/st rD, [rA, imm] ld/st rD, [rA]+, imm ld/st rD, [rA, imm]+. */ |
| 4933 | if (*backup_str == '[') |
| 4934 | { |
| 4935 | s3_inst.type = Rd_rvalueRs_preSI12; |
| 4936 | s3_do_ldst_insn (str); |
| 4937 | return; |
| 4938 | } |
| 4939 | |
| 4940 | /* Ld/st rD, imm. */ |
| 4941 | absolute_value = backup_str; |
| 4942 | s3_inst.type = Rd_rvalueRs_SI15; |
| 4943 | |
| 4944 | if (s3_my_get_expression (&s3_inst.reloc.exp, &backup_str) == (int) s3_FAIL) |
| 4945 | { |
| 4946 | s3_inst.error = _("expression error"); |
| 4947 | return; |
| 4948 | } |
| 4949 | else if ((s3_inst.reloc.exp.X_add_symbol == NULL) |
| 4950 | && (s3_validate_immediate (s3_inst.reloc.exp.X_add_number, _VALUE, 0) == (int) s3_FAIL)) |
| 4951 | { |
| 4952 | s3_inst.error = _("value not in range [0, 0x7fffffff]"); |
| 4953 | return; |
| 4954 | } |
| 4955 | else if (s3_end_of_line (backup_str) == (int) s3_FAIL) |
| 4956 | { |
| 4957 | s3_inst.error = _("end on line error"); |
| 4958 | return; |
| 4959 | } |
| 4960 | else |
| 4961 | { |
| 4962 | if (s3_inst.reloc.exp.X_add_symbol == 0) |
| 4963 | { |
| 4964 | memcpy (&s3_inst, &inst_backup, sizeof (struct s3_score_it)); |
| 4965 | s3_exp_macro_ldst_abs (str); |
| 4966 | return; |
| 4967 | } |
| 4968 | } |
| 4969 | |
| 4970 | /* Ld/st rD, label. */ |
| 4971 | s3_inst.type = Rd_rvalueRs_SI15; |
| 4972 | backup_str = absolute_value; |
| 4973 | if ((s3_data_op2 (&backup_str, 1, _GP_IMM15) == (int) s3_FAIL) |
| 4974 | || (s3_end_of_line (backup_str) == (int) s3_FAIL)) |
| 4975 | { |
| 4976 | return; |
| 4977 | } |
| 4978 | else |
| 4979 | { |
| 4980 | if (s3_inst.reloc.exp.X_add_symbol == 0) |
| 4981 | { |
| 4982 | if (!s3_inst.error) |
| 4983 | s3_inst.error = s3_BAD_ARGS; |
| 4984 | |
| 4985 | return; |
| 4986 | } |
| 4987 | |
| 4988 | if (s3_score_pic == s3_PIC) |
| 4989 | { |
| 4990 | int ldst_idx = 0; |
| 4991 | ldst_idx = s3_inst.instruction & OPC_PSEUDOLDST_MASK; |
| 4992 | s3_build_lwst_pic (reg_rd, s3_inst.reloc.exp, |
| 4993 | s3_score_ldst_insns[ldst_idx * 3 + 0].template_name); |
| 4994 | return; |
| 4995 | } |
| 4996 | else |
| 4997 | { |
| 4998 | if ((s3_inst.reloc.exp.X_add_number <= 0x3fff) |
| 4999 | && (s3_inst.reloc.exp.X_add_number >= -0x4000) |
| 5000 | && (!s3_nopic_need_relax (s3_inst.reloc.exp.X_add_symbol, 1))) |
| 5001 | { |
| 5002 | int ldst_idx = 0; |
| 5003 | |
| 5004 | /* Assign the real opcode. */ |
| 5005 | ldst_idx = s3_inst.instruction & OPC_PSEUDOLDST_MASK; |
| 5006 | s3_inst.instruction &= ~OPC_PSEUDOLDST_MASK; |
| 5007 | s3_inst.instruction |= s3_score_ldst_insns[ldst_idx * 3 + 0].value; |
| 5008 | s3_inst.instruction |= reg_rd << 20; |
| 5009 | s3_inst.instruction |= s3_GP << 15; |
| 5010 | s3_inst.relax_inst = 0x8000; |
| 5011 | s3_inst.relax_size = 0; |
| 5012 | ldst_gp_p = 1; |
| 5013 | } |
| 5014 | } |
| 5015 | } |
| 5016 | |
| 5017 | /* Backup s3_inst. */ |
| 5018 | memcpy (&inst_main, &s3_inst, sizeof (struct s3_score_it)); |
| 5019 | r1_bak = s3_nor1; |
| 5020 | s3_nor1 = 0; |
| 5021 | |
| 5022 | /* Determine which instructions should be output. */ |
| 5023 | sprintf (append_str[0], "ld_i32hi r1, %s", label_str); |
| 5024 | sprintf (append_str[1], "ld_i32lo r1, %s", label_str); |
| 5025 | sprintf (append_str[2], "%s r%d, [r1, 0]", inst_backup.name, reg_rd); |
| 5026 | |
| 5027 | /* Generate three instructions. |
| 5028 | la r1, label |
| 5029 | ld/st rd, [r1, 0] */ |
| 5030 | for (i = 0; i < 3; i++) |
| 5031 | { |
| 5032 | if (s3_append_insn (append_str[i], FALSE) == (int) s3_FAIL) |
| 5033 | return; |
| 5034 | |
| 5035 | memcpy (&inst_expand[i], &s3_inst, sizeof (struct s3_score_it)); |
| 5036 | } |
| 5037 | |
| 5038 | if (ldst_gp_p) |
| 5039 | { |
| 5040 | char *p; |
| 5041 | |
| 5042 | /* Adjust instruction opcode and to be relaxed instruction opcode. */ |
| 5043 | inst_main.instruction = s3_adjust_paritybit (inst_main.instruction, s3_GET_INSN_CLASS (inst_main.type)); |
| 5044 | |
| 5045 | /* relax lw rd, label -> ldis rs, imm16 |
| 5046 | ori rd, imm16 |
| 5047 | lw rd, [rs, imm15] or lw! rd, [rs, imm5]. */ |
| 5048 | if (inst_expand[2].relax_size == 0) |
| 5049 | inst_main.relax_size = inst_expand[0].size + inst_expand[1].size + inst_expand[2].size; |
| 5050 | else |
| 5051 | inst_main.relax_size = inst_expand[0].size + inst_expand[1].size + inst_expand[2].relax_size; |
| 5052 | |
| 5053 | inst_main.type = Insn_GP; |
| 5054 | |
| 5055 | for (i = 0; i < 3; i++) |
| 5056 | inst_expand[i].instruction = s3_adjust_paritybit (inst_expand[i].instruction, |
| 5057 | s3_GET_INSN_CLASS (inst_expand[i].type)); |
| 5058 | |
| 5059 | /* Check data dependency. */ |
| 5060 | s3_handle_dependency (&inst_main); |
| 5061 | |
| 5062 | /* Start a new frag if frag_now is not empty. */ |
| 5063 | if (frag_now_fix () != 0) |
| 5064 | { |
| 5065 | if (!frag_now->tc_frag_data.is_insn) |
| 5066 | frag_wane (frag_now); |
| 5067 | |
| 5068 | frag_new (0); |
| 5069 | } |
| 5070 | frag_grow (20); |
| 5071 | |
| 5072 | /* Write fr_fix part. */ |
| 5073 | p = frag_more (inst_main.size); |
| 5074 | s3_md_number_to_chars (p, inst_main.instruction, inst_main.size); |
| 5075 | |
| 5076 | if (inst_main.reloc.type != BFD_RELOC_NONE) |
| 5077 | { |
| 5078 | s3_fix_new_score (frag_now, p - frag_now->fr_literal, inst_main.size, |
| 5079 | &inst_main.reloc.exp, inst_main.reloc.pc_rel, inst_main.reloc.type); |
| 5080 | } |
| 5081 | |
| 5082 | #ifdef OBJ_ELF |
| 5083 | dwarf2_emit_insn (inst_main.size); |
| 5084 | #endif |
| 5085 | |
| 5086 | /* s3_GP instruction can not do optimization, only can do relax between |
| 5087 | 1 instruction and 3 instructions. */ |
| 5088 | p = frag_var (rs_machine_dependent, inst_main.relax_size + s3_RELAX_PAD_BYTE, 0, |
| 5089 | s3_RELAX_ENCODE (inst_main.size, inst_main.relax_size, inst_main.type, 0, 4, 0), |
| 5090 | inst_main.reloc.exp.X_add_symbol, 0, NULL); |
| 5091 | |
| 5092 | /* Write fr_var part. |
| 5093 | no calling s3_gen_insn_frag, no fixS will be generated. */ |
| 5094 | s3_md_number_to_chars (p, inst_expand[0].instruction, inst_expand[0].size); |
| 5095 | p += inst_expand[0].size; |
| 5096 | s3_md_number_to_chars (p, inst_expand[1].instruction, inst_expand[1].size); |
| 5097 | p += inst_expand[1].size; |
| 5098 | |
| 5099 | /* relax lw rd, label -> ldis rs, imm16 |
| 5100 | ori rd, imm16 |
| 5101 | lw rd, [rs, imm15] or lw! rd, [rs, imm5]. */ |
| 5102 | if (inst_expand[2].relax_size == 0) |
| 5103 | s3_md_number_to_chars (p, inst_expand[2].instruction, inst_expand[2].size); |
| 5104 | else |
| 5105 | s3_md_number_to_chars (p, inst_expand[2].relax_inst, inst_expand[2].relax_size); |
| 5106 | } |
| 5107 | else |
| 5108 | { |
| 5109 | s3_gen_insn_frag (&inst_expand[0], NULL); |
| 5110 | s3_gen_insn_frag (&inst_expand[1], NULL); |
| 5111 | s3_gen_insn_frag (&inst_expand[2], NULL); |
| 5112 | } |
| 5113 | s3_nor1 = r1_bak; |
| 5114 | |
| 5115 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ |
| 5116 | s3_inst.bwarn = -1; |
| 5117 | } |
| 5118 | |
| 5119 | static void |
| 5120 | s3_do_lw_pic (char *str) |
| 5121 | { |
| 5122 | int reg_rd; |
| 5123 | |
| 5124 | s3_skip_whitespace (str); |
| 5125 | if (((reg_rd = s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE)) == (int) s3_FAIL) |
| 5126 | || (s3_skip_past_comma (&str) == (int) s3_FAIL) |
| 5127 | || (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL) |
| 5128 | || (s3_end_of_line (str) == (int) s3_FAIL)) |
| 5129 | { |
| 5130 | return; |
| 5131 | } |
| 5132 | else |
| 5133 | { |
| 5134 | if (s3_inst.reloc.exp.X_add_symbol == 0) |
| 5135 | { |
| 5136 | if (!s3_inst.error) |
| 5137 | s3_inst.error = s3_BAD_ARGS; |
| 5138 | |
| 5139 | return; |
| 5140 | } |
| 5141 | |
| 5142 | s3_inst.instruction |= s3_GP << 15; |
| 5143 | s3_inst.reloc.type = BFD_RELOC_SCORE_GOT15; |
| 5144 | } |
| 5145 | } |
| 5146 | |
| 5147 | static void |
| 5148 | s3_do_empty (char *str) |
| 5149 | { |
| 5150 | str = str; |
| 5151 | if (s3_university_version == 1) |
| 5152 | { |
| 5153 | if (((s3_inst.instruction & 0x3e0003ff) == 0x0c000004) |
| 5154 | || ((s3_inst.instruction & 0x3e0003ff) == 0x0c000024) |
| 5155 | || ((s3_inst.instruction & 0x3e0003ff) == 0x0c000044) |
| 5156 | || ((s3_inst.instruction & 0x3e0003ff) == 0x0c000064)) |
| 5157 | { |
| 5158 | s3_inst.error = s3_ERR_FOR_SCORE5U_MMU; |
| 5159 | return; |
| 5160 | } |
| 5161 | } |
| 5162 | if (s3_end_of_line (str) == (int) s3_FAIL) |
| 5163 | return; |
| 5164 | |
| 5165 | if (s3_inst.relax_inst != 0x8000) |
| 5166 | { |
| 5167 | if (s3_inst.type == NO_OPD) |
| 5168 | { |
| 5169 | s3_inst.relax_size = 2; |
| 5170 | } |
| 5171 | else |
| 5172 | { |
| 5173 | s3_inst.relax_size = 4; |
| 5174 | } |
| 5175 | } |
| 5176 | } |
| 5177 | |
| 5178 | static void |
| 5179 | s3_do16_int (char *str) |
| 5180 | { |
| 5181 | s3_skip_whitespace (str); |
| 5182 | return; |
| 5183 | } |
| 5184 | |
| 5185 | static void |
| 5186 | s3_do_jump (char *str) |
| 5187 | { |
| 5188 | char *save_in; |
| 5189 | |
| 5190 | s3_skip_whitespace (str); |
| 5191 | if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL |
| 5192 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 5193 | return; |
| 5194 | |
| 5195 | if (s3_inst.reloc.exp.X_add_symbol == 0) |
| 5196 | { |
| 5197 | s3_inst.error = _("lacking label "); |
| 5198 | return; |
| 5199 | } |
| 5200 | |
| 5201 | if (!(s3_inst.reloc.exp.X_add_number >= -16777216 |
| 5202 | && s3_inst.reloc.exp.X_add_number <= 16777215)) |
| 5203 | { |
| 5204 | s3_inst.error = _("invalid constant: 25 bit expression not in range [-16777216, 16777215]"); |
| 5205 | return; |
| 5206 | } |
| 5207 | |
| 5208 | save_in = input_line_pointer; |
| 5209 | input_line_pointer = str; |
| 5210 | s3_inst.reloc.type = BFD_RELOC_SCORE_JMP; |
| 5211 | s3_inst.reloc.pc_rel = 1; |
| 5212 | input_line_pointer = save_in; |
| 5213 | } |
| 5214 | |
| 5215 | static void |
| 5216 | s3_do_branch (char *str) |
| 5217 | { |
| 5218 | if (s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL |
| 5219 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 5220 | { |
| 5221 | return; |
| 5222 | } |
| 5223 | else if (s3_inst.reloc.exp.X_add_symbol == 0) |
| 5224 | { |
| 5225 | s3_inst.error = _("lacking label "); |
| 5226 | return; |
| 5227 | } |
| 5228 | else if (!(s3_inst.reloc.exp.X_add_number >= -524288 |
| 5229 | && s3_inst.reloc.exp.X_add_number <= 524287)) |
| 5230 | { |
| 5231 | s3_inst.error = _("invalid constant: 20 bit expression not in range -2^19..2^19"); |
| 5232 | return; |
| 5233 | } |
| 5234 | |
| 5235 | s3_inst.reloc.type = BFD_RELOC_SCORE_BRANCH; |
| 5236 | s3_inst.reloc.pc_rel = 1; |
| 5237 | |
| 5238 | /* Branch 32 offset field : 20 bit, 16 bit branch offset field : 8 bit. */ |
| 5239 | s3_inst.instruction |= (s3_inst.reloc.exp.X_add_number & 0x3fe) | ((s3_inst.reloc.exp.X_add_number & 0xffc00) << 5); |
| 5240 | |
| 5241 | /* Compute 16 bit branch instruction. */ |
| 5242 | if ((s3_inst.relax_inst != 0x8000) |
| 5243 | && (s3_inst.reloc.exp.X_add_number >= -512 && s3_inst.reloc.exp.X_add_number <= 511)) |
| 5244 | { |
| 5245 | s3_inst.relax_inst |= ((s3_inst.reloc.exp.X_add_number >> 1) & 0x1ff);/*b! :disp 9 bit */ |
| 5246 | s3_inst.relax_size = 2; |
| 5247 | } |
| 5248 | else |
| 5249 | { |
| 5250 | s3_inst.relax_inst = 0x8000; |
| 5251 | } |
| 5252 | } |
| 5253 | |
| 5254 | static void |
| 5255 | s3_do16_branch (char *str) |
| 5256 | { |
| 5257 | if ((s3_my_get_expression (&s3_inst.reloc.exp, &str) == (int) s3_FAIL |
| 5258 | || s3_end_of_line (str) == (int) s3_FAIL)) |
| 5259 | { |
| 5260 | ; |
| 5261 | } |
| 5262 | else if (s3_inst.reloc.exp.X_add_symbol == 0) |
| 5263 | { |
| 5264 | s3_inst.error = _("lacking label"); |
| 5265 | } |
| 5266 | else if (!(s3_inst.reloc.exp.X_add_number >= -512 |
| 5267 | && s3_inst.reloc.exp.X_add_number <= 511)) |
| 5268 | { |
| 5269 | s3_inst.error = _("invalid constant: 10 bit expression not in range [-2^9, 2^9-1]"); |
| 5270 | } |
| 5271 | else |
| 5272 | { |
| 5273 | s3_inst.reloc.type = BFD_RELOC_SCORE16_BRANCH; |
| 5274 | s3_inst.reloc.pc_rel = 1; |
| 5275 | s3_inst.instruction |= ((s3_inst.reloc.exp.X_add_number >> 1) & 0x1ff); |
| 5276 | s3_inst.relax_inst |= ((s3_inst.reloc.exp.X_add_number ) & 0x1ff); |
| 5277 | s3_inst.relax_size = 4; |
| 5278 | } |
| 5279 | } |
| 5280 | |
| 5281 | /* Return true if the given symbol should be considered local for s3_PIC. */ |
| 5282 | static bfd_boolean |
| 5283 | s3_pic_need_relax (symbolS *sym, asection *segtype) |
| 5284 | { |
| 5285 | asection *symsec; |
| 5286 | bfd_boolean linkonce; |
| 5287 | |
| 5288 | /* Handle the case of a symbol equated to another symbol. */ |
| 5289 | while (symbol_equated_reloc_p (sym)) |
| 5290 | { |
| 5291 | symbolS *n; |
| 5292 | |
| 5293 | /* It's possible to get a loop here in a badly written |
| 5294 | program. */ |
| 5295 | n = symbol_get_value_expression (sym)->X_add_symbol; |
| 5296 | if (n == sym) |
| 5297 | break; |
| 5298 | sym = n; |
| 5299 | } |
| 5300 | |
| 5301 | symsec = S_GET_SEGMENT (sym); |
| 5302 | |
| 5303 | /* duplicate the test for LINK_ONCE sections as in adjust_reloc_syms */ |
| 5304 | linkonce = FALSE; |
| 5305 | if (symsec != segtype && ! S_IS_LOCAL (sym)) |
| 5306 | { |
| 5307 | if ((bfd_get_section_flags (stdoutput, symsec) & SEC_LINK_ONCE) != 0) |
| 5308 | linkonce = TRUE; |
| 5309 | |
| 5310 | /* The GNU toolchain uses an extension for ELF: a section |
| 5311 | beginning with the magic string .gnu.linkonce is a linkonce |
| 5312 | section. */ |
| 5313 | if (strncmp (segment_name (symsec), ".gnu.linkonce", |
| 5314 | sizeof ".gnu.linkonce" - 1) == 0) |
| 5315 | linkonce = TRUE; |
| 5316 | } |
| 5317 | |
| 5318 | /* This must duplicate the test in adjust_reloc_syms. */ |
| 5319 | return (!bfd_is_und_section (symsec) |
| 5320 | && !bfd_is_abs_section (symsec) |
| 5321 | && !bfd_is_com_section (symsec) |
| 5322 | && !linkonce |
| 5323 | #ifdef OBJ_ELF |
| 5324 | /* A global or weak symbol is treated as external. */ |
| 5325 | && (OUTPUT_FLAVOR != bfd_target_elf_flavour |
| 5326 | || (! S_IS_WEAK (sym) && ! S_IS_EXTERNAL (sym))) |
| 5327 | #endif |
| 5328 | ); |
| 5329 | } |
| 5330 | |
| 5331 | static void |
| 5332 | s3_parse_pce_inst (char *insnstr) |
| 5333 | { |
| 5334 | char c; |
| 5335 | char *p; |
| 5336 | char first[s3_MAX_LITERAL_POOL_SIZE]; |
| 5337 | char second[s3_MAX_LITERAL_POOL_SIZE]; |
| 5338 | struct s3_score_it pec_part_1; |
| 5339 | |
| 5340 | /* Get first part string of PCE. */ |
| 5341 | p = strstr (insnstr, "||"); |
| 5342 | c = *p; |
| 5343 | *p = '\0'; |
| 5344 | sprintf (first, "%s", insnstr); |
| 5345 | |
| 5346 | /* Get second part string of PCE. */ |
| 5347 | *p = c; |
| 5348 | p += 2; |
| 5349 | sprintf (second, "%s", p); |
| 5350 | |
| 5351 | s3_parse_16_32_inst (first, FALSE); |
| 5352 | if (s3_inst.error) |
| 5353 | return; |
| 5354 | |
| 5355 | memcpy (&pec_part_1, &s3_inst, sizeof (s3_inst)); |
| 5356 | |
| 5357 | s3_parse_16_32_inst (second, FALSE); |
| 5358 | if (s3_inst.error) |
| 5359 | return; |
| 5360 | |
| 5361 | if ( ((pec_part_1.size == s3_INSN_SIZE) && (s3_inst.size == s3_INSN_SIZE)) |
| 5362 | || ((pec_part_1.size == s3_INSN_SIZE) && (s3_inst.size == s3_INSN16_SIZE)) |
| 5363 | || ((pec_part_1.size == s3_INSN16_SIZE) && (s3_inst.size == s3_INSN_SIZE))) |
| 5364 | { |
| 5365 | s3_inst.error = _("pce instruction error (16 bit || 16 bit)'"); |
| 5366 | sprintf (s3_inst.str, insnstr); |
| 5367 | return; |
| 5368 | } |
| 5369 | |
| 5370 | if (!s3_inst.error) |
| 5371 | s3_gen_insn_frag (&pec_part_1, &s3_inst); |
| 5372 | } |
| 5373 | |
| 5374 | /* s3: dsp. */ |
| 5375 | static void |
| 5376 | s3_do16_dsp (char *str) |
| 5377 | { |
| 5378 | int rd = 0; |
| 5379 | |
| 5380 | /* Check 3d. */ |
| 5381 | if (s3_score3d == 0) |
| 5382 | { |
| 5383 | s3_inst.error = _("score3d instruction."); |
| 5384 | return; |
| 5385 | } |
| 5386 | |
| 5387 | s3_skip_whitespace (str); |
| 5388 | |
| 5389 | if ((rd = s3_reglow_required_here (&str, 0)) == (int) s3_FAIL |
| 5390 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 5391 | { |
| 5392 | return; |
| 5393 | } |
| 5394 | else |
| 5395 | { |
| 5396 | s3_inst.relax_inst |= rd << 20; |
| 5397 | s3_inst.relax_size = 4; |
| 5398 | } |
| 5399 | } |
| 5400 | |
| 5401 | static void |
| 5402 | s3_do16_dsp2 (char *str) |
| 5403 | { |
| 5404 | /* Check 3d. */ |
| 5405 | if (s3_score3d == 0) |
| 5406 | { |
| 5407 | s3_inst.error = _("score3d instruction."); |
| 5408 | return; |
| 5409 | } |
| 5410 | |
| 5411 | s3_skip_whitespace (str); |
| 5412 | |
| 5413 | if (s3_reglow_required_here (&str, 4) == (int) s3_FAIL |
| 5414 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 5415 | || s3_reglow_required_here (&str, 0) == (int) s3_FAIL |
| 5416 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 5417 | { |
| 5418 | return; |
| 5419 | } |
| 5420 | else |
| 5421 | { |
| 5422 | s3_inst.relax_inst |= (((s3_inst.instruction >> 8) & 0xf) << 20) |
| 5423 | | (((s3_inst.instruction >> 8) & 0xf) << 15) | (((s3_inst.instruction >> 4) & 0xf) << 10); |
| 5424 | s3_inst.relax_size = 4; |
| 5425 | } |
| 5426 | } |
| 5427 | |
| 5428 | static void |
| 5429 | s3_do_dsp (char *str) |
| 5430 | { |
| 5431 | /* Check 3d. */ |
| 5432 | if (s3_score3d == 0) |
| 5433 | { |
| 5434 | s3_inst.error = _("score3d instruction."); |
| 5435 | return; |
| 5436 | } |
| 5437 | |
| 5438 | s3_skip_whitespace (str); |
| 5439 | |
| 5440 | if (s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 5441 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 5442 | || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 5443 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 5444 | return; |
| 5445 | |
| 5446 | if ((s3_inst.relax_inst != 0x8000) && (((s3_inst.instruction >> 20) & 0x1f) == 3) ) |
| 5447 | { |
| 5448 | s3_inst.relax_inst |= (((s3_inst.instruction >> 10) & 0x1f)) | (((s3_inst.instruction >> 15) & 0x1f) << 5); |
| 5449 | s3_inst.relax_size = 2; |
| 5450 | } |
| 5451 | else |
| 5452 | s3_inst.relax_inst = 0x8000; |
| 5453 | } |
| 5454 | |
| 5455 | static void |
| 5456 | s3_do_dsp2 (char *str) |
| 5457 | { |
| 5458 | int reg; |
| 5459 | |
| 5460 | /* Check 3d. */ |
| 5461 | if (s3_score3d == 0) |
| 5462 | { |
| 5463 | s3_inst.error = _("score3d instruction."); |
| 5464 | return; |
| 5465 | } |
| 5466 | |
| 5467 | s3_skip_whitespace (str); |
| 5468 | |
| 5469 | if ((reg = s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE)) == (int) s3_FAIL |
| 5470 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 5471 | || s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 5472 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 5473 | || s3_reg_required_here (&str, 10, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 5474 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 5475 | { |
| 5476 | return; |
| 5477 | } |
| 5478 | else |
| 5479 | { |
| 5480 | /* Check mulr, mulur rd is even number. */ |
| 5481 | if (((s3_inst.instruction & 0x3e0003ff) == 0x00000340 |
| 5482 | || (s3_inst.instruction & 0x3e0003ff) == 0x00000342) |
| 5483 | && (reg % 2)) |
| 5484 | { |
| 5485 | s3_inst.error = _("rd must be even number."); |
| 5486 | return; |
| 5487 | } |
| 5488 | |
| 5489 | if ((((s3_inst.instruction >> 15) & 0x10) == 0) |
| 5490 | && (((s3_inst.instruction >> 10) & 0x10) == 0) |
| 5491 | && (((s3_inst.instruction >> 20) & 0x10) == 0) |
| 5492 | && (s3_inst.relax_inst != 0x8000) |
| 5493 | && (((s3_inst.instruction >> 20) & 0xf) == ((s3_inst.instruction >> 15) & 0xf))) |
| 5494 | { |
| 5495 | s3_inst.relax_inst |= (((s3_inst.instruction >> 10) & 0xf) ) |
| 5496 | | (((s3_inst.instruction >> 15) & 0xf) << 4); |
| 5497 | s3_inst.relax_size = 2; |
| 5498 | } |
| 5499 | else |
| 5500 | { |
| 5501 | s3_inst.relax_inst = 0x8000; |
| 5502 | } |
| 5503 | } |
| 5504 | } |
| 5505 | |
| 5506 | static void |
| 5507 | s3_do_dsp3 (char *str) |
| 5508 | { |
| 5509 | /* Check 3d. */ |
| 5510 | if (s3_score3d == 0) |
| 5511 | { |
| 5512 | s3_inst.error = _("score3d instruction."); |
| 5513 | return; |
| 5514 | } |
| 5515 | |
| 5516 | s3_skip_whitespace (str); |
| 5517 | |
| 5518 | if (s3_reg_required_here (&str, 20, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 5519 | || s3_skip_past_comma (&str) == (int) s3_FAIL |
| 5520 | || s3_reg_required_here (&str, 15, s3_REG_TYPE_SCORE) == (int) s3_FAIL |
| 5521 | || s3_end_of_line (str) == (int) s3_FAIL) |
| 5522 | return; |
| 5523 | |
| 5524 | if ((s3_inst.relax_inst != 0x8000) && (((s3_inst.instruction >> 20) & 0x1f) == 3) ) |
| 5525 | { |
| 5526 | s3_inst.relax_inst |= (((s3_inst.instruction >> 10) & 0x1f)) | (((s3_inst.instruction >> 15) & 0x1f) << 5); |
| 5527 | s3_inst.relax_size = 2; |
| 5528 | } |
| 5529 | else |
| 5530 | s3_inst.relax_inst = 0x8000; |
| 5531 | } |
| 5532 | |
| 5533 | |
| 5534 | /* If we change section we must dump the literal pool first. */ |
| 5535 | static void |
| 5536 | s3_s_score_bss (int ignore ATTRIBUTE_UNUSED) |
| 5537 | { |
| 5538 | subseg_set (bss_section, (subsegT) get_absolute_expression ()); |
| 5539 | demand_empty_rest_of_line (); |
| 5540 | } |
| 5541 | |
| 5542 | static void |
| 5543 | s3_s_score_text (int ignore) |
| 5544 | { |
| 5545 | obj_elf_text (ignore); |
| 5546 | record_alignment (now_seg, 2); |
| 5547 | } |
| 5548 | |
| 5549 | static void |
| 5550 | s3_score_s_section (int ignore) |
| 5551 | { |
| 5552 | obj_elf_section (ignore); |
| 5553 | if ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0) |
| 5554 | record_alignment (now_seg, 2); |
| 5555 | |
| 5556 | } |
| 5557 | |
| 5558 | static void |
| 5559 | s3_s_change_sec (int sec) |
| 5560 | { |
| 5561 | segT seg; |
| 5562 | |
| 5563 | #ifdef OBJ_ELF |
| 5564 | /* The ELF backend needs to know that we are changing sections, so |
| 5565 | that .previous works correctly. We could do something like check |
| 5566 | for an obj_section_change_hook macro, but that might be confusing |
| 5567 | as it would not be appropriate to use it in the section changing |
| 5568 | functions in read.c, since obj-elf.c intercepts those. FIXME: |
| 5569 | This should be cleaner, somehow. */ |
| 5570 | obj_elf_section_change_hook (); |
| 5571 | #endif |
| 5572 | switch (sec) |
| 5573 | { |
| 5574 | case 'r': |
| 5575 | seg = subseg_new (s3_RDATA_SECTION_NAME, (subsegT) get_absolute_expression ()); |
| 5576 | bfd_set_section_flags (stdoutput, seg, (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_RELOC | SEC_DATA)); |
| 5577 | if (strcmp (TARGET_OS, "elf") != 0) |
| 5578 | record_alignment (seg, 4); |
| 5579 | demand_empty_rest_of_line (); |
| 5580 | break; |
| 5581 | case 's': |
| 5582 | seg = subseg_new (".sdata", (subsegT) get_absolute_expression ()); |
| 5583 | bfd_set_section_flags (stdoutput, seg, SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA); |
| 5584 | if (strcmp (TARGET_OS, "elf") != 0) |
| 5585 | record_alignment (seg, 4); |
| 5586 | demand_empty_rest_of_line (); |
| 5587 | break; |
| 5588 | } |
| 5589 | } |
| 5590 | |
| 5591 | static void |
| 5592 | s3_s_score_mask (int reg_type ATTRIBUTE_UNUSED) |
| 5593 | { |
| 5594 | long mask, off; |
| 5595 | |
| 5596 | if (s3_cur_proc_ptr == (s3_procS *) NULL) |
| 5597 | { |
| 5598 | as_warn (_(".mask outside of .ent")); |
| 5599 | demand_empty_rest_of_line (); |
| 5600 | return; |
| 5601 | } |
| 5602 | if (get_absolute_expression_and_terminator (&mask) != ',') |
| 5603 | { |
| 5604 | as_warn (_("Bad .mask directive")); |
| 5605 | --input_line_pointer; |
| 5606 | demand_empty_rest_of_line (); |
| 5607 | return; |
| 5608 | } |
| 5609 | off = get_absolute_expression (); |
| 5610 | s3_cur_proc_ptr->reg_mask = mask; |
| 5611 | s3_cur_proc_ptr->reg_offset = off; |
| 5612 | demand_empty_rest_of_line (); |
| 5613 | } |
| 5614 | |
| 5615 | static symbolS * |
| 5616 | s3_get_symbol (void) |
| 5617 | { |
| 5618 | int c; |
| 5619 | char *name; |
| 5620 | symbolS *p; |
| 5621 | |
| 5622 | name = input_line_pointer; |
| 5623 | c = get_symbol_end (); |
| 5624 | p = (symbolS *) symbol_find_or_make (name); |
| 5625 | *input_line_pointer = c; |
| 5626 | return p; |
| 5627 | } |
| 5628 | |
| 5629 | static long |
| 5630 | s3_get_number (void) |
| 5631 | { |
| 5632 | int negative = 0; |
| 5633 | long val = 0; |
| 5634 | |
| 5635 | if (*input_line_pointer == '-') |
| 5636 | { |
| 5637 | ++input_line_pointer; |
| 5638 | negative = 1; |
| 5639 | } |
| 5640 | if (!ISDIGIT (*input_line_pointer)) |
| 5641 | as_bad (_("expected simple number")); |
| 5642 | if (input_line_pointer[0] == '0') |
| 5643 | { |
| 5644 | if (input_line_pointer[1] == 'x') |
| 5645 | { |
| 5646 | input_line_pointer += 2; |
| 5647 | while (ISXDIGIT (*input_line_pointer)) |
| 5648 | { |
| 5649 | val <<= 4; |
| 5650 | val |= hex_value (*input_line_pointer++); |
| 5651 | } |
| 5652 | return negative ? -val : val; |
| 5653 | } |
| 5654 | else |
| 5655 | { |
| 5656 | ++input_line_pointer; |
| 5657 | while (ISDIGIT (*input_line_pointer)) |
| 5658 | { |
| 5659 | val <<= 3; |
| 5660 | val |= *input_line_pointer++ - '0'; |
| 5661 | } |
| 5662 | return negative ? -val : val; |
| 5663 | } |
| 5664 | } |
| 5665 | if (!ISDIGIT (*input_line_pointer)) |
| 5666 | { |
| 5667 | printf (_(" *input_line_pointer == '%c' 0x%02x\n"), *input_line_pointer, *input_line_pointer); |
| 5668 | as_warn (_("invalid number")); |
| 5669 | return -1; |
| 5670 | } |
| 5671 | while (ISDIGIT (*input_line_pointer)) |
| 5672 | { |
| 5673 | val *= 10; |
| 5674 | val += *input_line_pointer++ - '0'; |
| 5675 | } |
| 5676 | return negative ? -val : val; |
| 5677 | } |
| 5678 | |
| 5679 | /* The .aent and .ent directives. */ |
| 5680 | static void |
| 5681 | s3_s_score_ent (int aent) |
| 5682 | { |
| 5683 | symbolS *symbolP; |
| 5684 | int maybe_text; |
| 5685 | |
| 5686 | symbolP = s3_get_symbol (); |
| 5687 | if (*input_line_pointer == ',') |
| 5688 | ++input_line_pointer; |
| 5689 | SKIP_WHITESPACE (); |
| 5690 | if (ISDIGIT (*input_line_pointer) || *input_line_pointer == '-') |
| 5691 | s3_get_number (); |
| 5692 | |
| 5693 | #ifdef BFD_ASSEMBLER |
| 5694 | if ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0) |
| 5695 | maybe_text = 1; |
| 5696 | else |
| 5697 | maybe_text = 0; |
| 5698 | #else |
| 5699 | if (now_seg != data_section && now_seg != bss_section) |
| 5700 | maybe_text = 1; |
| 5701 | else |
| 5702 | maybe_text = 0; |
| 5703 | #endif |
| 5704 | if (!maybe_text) |
| 5705 | as_warn (_(".ent or .aent not in text section.")); |
| 5706 | if (!aent && s3_cur_proc_ptr) |
| 5707 | as_warn (_("missing .end")); |
| 5708 | if (!aent) |
| 5709 | { |
| 5710 | s3_cur_proc_ptr = &s3_cur_proc; |
| 5711 | s3_cur_proc_ptr->reg_mask = 0xdeadbeaf; |
| 5712 | s3_cur_proc_ptr->reg_offset = 0xdeadbeaf; |
| 5713 | s3_cur_proc_ptr->fpreg_mask = 0xdeafbeaf; |
| 5714 | s3_cur_proc_ptr->leaf = 0xdeafbeaf; |
| 5715 | s3_cur_proc_ptr->frame_offset = 0xdeafbeaf; |
| 5716 | s3_cur_proc_ptr->frame_reg = 0xdeafbeaf; |
| 5717 | s3_cur_proc_ptr->pc_reg = 0xdeafbeaf; |
| 5718 | s3_cur_proc_ptr->isym = symbolP; |
| 5719 | symbol_get_bfdsym (symbolP)->flags |= BSF_FUNCTION; |
| 5720 | ++s3_numprocs; |
| 5721 | if (debug_type == DEBUG_STABS) |
| 5722 | stabs_generate_asm_func (S_GET_NAME (symbolP), S_GET_NAME (symbolP)); |
| 5723 | } |
| 5724 | demand_empty_rest_of_line (); |
| 5725 | } |
| 5726 | |
| 5727 | static void |
| 5728 | s3_s_score_frame (int ignore ATTRIBUTE_UNUSED) |
| 5729 | { |
| 5730 | char *backupstr; |
| 5731 | char str[30]; |
| 5732 | long val; |
| 5733 | int i = 0; |
| 5734 | |
| 5735 | backupstr = input_line_pointer; |
| 5736 | |
| 5737 | #ifdef OBJ_ELF |
| 5738 | if (s3_cur_proc_ptr == (s3_procS *) NULL) |
| 5739 | { |
| 5740 | as_warn (_(".frame outside of .ent")); |
| 5741 | demand_empty_rest_of_line (); |
| 5742 | return; |
| 5743 | } |
| 5744 | s3_cur_proc_ptr->frame_reg = s3_reg_required_here ((&backupstr), 0, s3_REG_TYPE_SCORE); |
| 5745 | SKIP_WHITESPACE (); |
| 5746 | s3_skip_past_comma (&backupstr); |
| 5747 | while (*backupstr != ',') |
| 5748 | { |
| 5749 | str[i] = *backupstr; |
| 5750 | i++; |
| 5751 | backupstr++; |
| 5752 | } |
| 5753 | str[i] = '\0'; |
| 5754 | val = atoi (str); |
| 5755 | |
| 5756 | SKIP_WHITESPACE (); |
| 5757 | s3_skip_past_comma (&backupstr); |
| 5758 | s3_cur_proc_ptr->frame_offset = val; |
| 5759 | s3_cur_proc_ptr->pc_reg = s3_reg_required_here ((&backupstr), 0, s3_REG_TYPE_SCORE); |
| 5760 | |
| 5761 | SKIP_WHITESPACE (); |
| 5762 | s3_skip_past_comma (&backupstr); |
| 5763 | i = 0; |
| 5764 | while (*backupstr != '\n') |
| 5765 | { |
| 5766 | str[i] = *backupstr; |
| 5767 | i++; |
| 5768 | backupstr++; |
| 5769 | } |
| 5770 | str[i] = '\0'; |
| 5771 | val = atoi (str); |
| 5772 | s3_cur_proc_ptr->leaf = val; |
| 5773 | SKIP_WHITESPACE (); |
| 5774 | s3_skip_past_comma (&backupstr); |
| 5775 | |
| 5776 | #endif /* OBJ_ELF */ |
| 5777 | while (input_line_pointer != backupstr) |
| 5778 | input_line_pointer++; |
| 5779 | } |
| 5780 | |
| 5781 | /* The .end directive. */ |
| 5782 | static void |
| 5783 | s3_s_score_end (int x ATTRIBUTE_UNUSED) |
| 5784 | { |
| 5785 | symbolS *p; |
| 5786 | int maybe_text; |
| 5787 | |
| 5788 | /* Generate a .pdr section. */ |
| 5789 | segT saved_seg = now_seg; |
| 5790 | subsegT saved_subseg = now_subseg; |
| 5791 | expressionS exp; |
| 5792 | char *fragp; |
| 5793 | |
| 5794 | if (!is_end_of_line[(unsigned char)*input_line_pointer]) |
| 5795 | { |
| 5796 | p = s3_get_symbol (); |
| 5797 | demand_empty_rest_of_line (); |
| 5798 | } |
| 5799 | else |
| 5800 | p = NULL; |
| 5801 | |
| 5802 | #ifdef BFD_ASSEMBLER |
| 5803 | if ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0) |
| 5804 | maybe_text = 1; |
| 5805 | else |
| 5806 | maybe_text = 0; |
| 5807 | #else |
| 5808 | if (now_seg != data_section && now_seg != bss_section) |
| 5809 | maybe_text = 1; |
| 5810 | else |
| 5811 | maybe_text = 0; |
| 5812 | #endif |
| 5813 | |
| 5814 | if (!maybe_text) |
| 5815 | as_warn (_(".end not in text section")); |
| 5816 | if (!s3_cur_proc_ptr) |
| 5817 | { |
| 5818 | as_warn (_(".end directive without a preceding .ent directive.")); |
| 5819 | demand_empty_rest_of_line (); |
| 5820 | return; |
| 5821 | } |
| 5822 | if (p != NULL) |
| 5823 | { |
| 5824 | gas_assert (S_GET_NAME (p)); |
| 5825 | if (strcmp (S_GET_NAME (p), S_GET_NAME (s3_cur_proc_ptr->isym))) |
| 5826 | as_warn (_(".end symbol does not match .ent symbol.")); |
| 5827 | if (debug_type == DEBUG_STABS) |
| 5828 | stabs_generate_asm_endfunc (S_GET_NAME (p), S_GET_NAME (p)); |
| 5829 | } |
| 5830 | else |
| 5831 | as_warn (_(".end directive missing or unknown symbol")); |
| 5832 | |
| 5833 | if ((s3_cur_proc_ptr->reg_mask == 0xdeadbeaf) || |
| 5834 | (s3_cur_proc_ptr->reg_offset == 0xdeadbeaf) || |
| 5835 | (s3_cur_proc_ptr->leaf == 0xdeafbeaf) || |
| 5836 | (s3_cur_proc_ptr->frame_offset == 0xdeafbeaf) || |
| 5837 | (s3_cur_proc_ptr->frame_reg == 0xdeafbeaf) || (s3_cur_proc_ptr->pc_reg == 0xdeafbeaf)); |
| 5838 | |
| 5839 | else |
| 5840 | { |
| 5841 | (void) frag_now_fix (); |
| 5842 | gas_assert (s3_pdr_seg); |
| 5843 | subseg_set (s3_pdr_seg, 0); |
| 5844 | /* Write the symbol. */ |
| 5845 | exp.X_op = O_symbol; |
| 5846 | exp.X_add_symbol = p; |
| 5847 | exp.X_add_number = 0; |
| 5848 | emit_expr (&exp, 4); |
| 5849 | fragp = frag_more (7 * 4); |
| 5850 | md_number_to_chars (fragp, (valueT) s3_cur_proc_ptr->reg_mask, 4); |
| 5851 | md_number_to_chars (fragp + 4, (valueT) s3_cur_proc_ptr->reg_offset, 4); |
| 5852 | md_number_to_chars (fragp + 8, (valueT) s3_cur_proc_ptr->fpreg_mask, 4); |
| 5853 | md_number_to_chars (fragp + 12, (valueT) s3_cur_proc_ptr->leaf, 4); |
| 5854 | md_number_to_chars (fragp + 16, (valueT) s3_cur_proc_ptr->frame_offset, 4); |
| 5855 | md_number_to_chars (fragp + 20, (valueT) s3_cur_proc_ptr->frame_reg, 4); |
| 5856 | md_number_to_chars (fragp + 24, (valueT) s3_cur_proc_ptr->pc_reg, 4); |
| 5857 | subseg_set (saved_seg, saved_subseg); |
| 5858 | |
| 5859 | } |
| 5860 | s3_cur_proc_ptr = NULL; |
| 5861 | } |
| 5862 | |
| 5863 | /* Handle the .set pseudo-op. */ |
| 5864 | static void |
| 5865 | s3_s_score_set (int x ATTRIBUTE_UNUSED) |
| 5866 | { |
| 5867 | int i = 0; |
| 5868 | char name[s3_MAX_LITERAL_POOL_SIZE]; |
| 5869 | char * orig_ilp = input_line_pointer; |
| 5870 | |
| 5871 | while (!is_end_of_line[(unsigned char)*input_line_pointer]) |
| 5872 | { |
| 5873 | name[i] = (char) * input_line_pointer; |
| 5874 | i++; |
| 5875 | ++input_line_pointer; |
| 5876 | } |
| 5877 | |
| 5878 | name[i] = '\0'; |
| 5879 | |
| 5880 | if (strcmp (name, "nwarn") == 0) |
| 5881 | { |
| 5882 | s3_warn_fix_data_dependency = 0; |
| 5883 | } |
| 5884 | else if (strcmp (name, "fixdd") == 0) |
| 5885 | { |
| 5886 | s3_fix_data_dependency = 1; |
| 5887 | } |
| 5888 | else if (strcmp (name, "nofixdd") == 0) |
| 5889 | { |
| 5890 | s3_fix_data_dependency = 0; |
| 5891 | } |
| 5892 | else if (strcmp (name, "r1") == 0) |
| 5893 | { |
| 5894 | s3_nor1 = 0; |
| 5895 | } |
| 5896 | else if (strcmp (name, "nor1") == 0) |
| 5897 | { |
| 5898 | s3_nor1 = 1; |
| 5899 | } |
| 5900 | else if (strcmp (name, "optimize") == 0) |
| 5901 | { |
| 5902 | s3_g_opt = 1; |
| 5903 | } |
| 5904 | else if (strcmp (name, "volatile") == 0) |
| 5905 | { |
| 5906 | s3_g_opt = 0; |
| 5907 | } |
| 5908 | else if (strcmp (name, "pic") == 0) |
| 5909 | { |
| 5910 | s3_score_pic = s3_PIC; |
| 5911 | } |
| 5912 | else |
| 5913 | { |
| 5914 | input_line_pointer = orig_ilp; |
| 5915 | s_set (0); |
| 5916 | } |
| 5917 | } |
| 5918 | |
| 5919 | /* Handle the .cpload pseudo-op. This is used when generating s3_PIC code. It sets the |
| 5920 | $gp register for the function based on the function address, which is in the register |
| 5921 | named in the argument. This uses a relocation against GP_DISP_LABEL, which is handled |
| 5922 | specially by the linker. The result is: |
| 5923 | ldis gp, %hi(GP_DISP_LABEL) |
| 5924 | ori gp, %low(GP_DISP_LABEL) |
| 5925 | add gp, gp, .cpload argument |
| 5926 | The .cpload argument is normally r29. */ |
| 5927 | static void |
| 5928 | s3_s_score_cpload (int ignore ATTRIBUTE_UNUSED) |
| 5929 | { |
| 5930 | int reg; |
| 5931 | char insn_str[s3_MAX_LITERAL_POOL_SIZE]; |
| 5932 | |
| 5933 | /* If we are not generating s3_PIC code, .cpload is ignored. */ |
| 5934 | if (s3_score_pic == s3_NO_PIC) |
| 5935 | { |
| 5936 | s_ignore (0); |
| 5937 | return; |
| 5938 | } |
| 5939 | |
| 5940 | if ((reg = s3_reg_required_here (&input_line_pointer, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL) |
| 5941 | return; |
| 5942 | |
| 5943 | demand_empty_rest_of_line (); |
| 5944 | |
| 5945 | sprintf (insn_str, "ld_i32hi r%d, %s", s3_GP, GP_DISP_LABEL); |
| 5946 | if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL) |
| 5947 | return; |
| 5948 | |
| 5949 | sprintf (insn_str, "ld_i32lo 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, "add r%d, r%d, r%d", s3_GP, s3_GP, reg); |
| 5954 | if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL) |
| 5955 | return; |
| 5956 | } |
| 5957 | |
| 5958 | /* Handle the .cprestore pseudo-op. This stores $gp into a given |
| 5959 | offset from $sp. The offset is remembered, and after making a s3_PIC |
| 5960 | call $gp is restored from that location. */ |
| 5961 | static void |
| 5962 | s3_s_score_cprestore (int ignore ATTRIBUTE_UNUSED) |
| 5963 | { |
| 5964 | int reg; |
| 5965 | int cprestore_offset; |
| 5966 | char insn_str[s3_MAX_LITERAL_POOL_SIZE]; |
| 5967 | |
| 5968 | /* If we are not generating s3_PIC code, .cprestore is ignored. */ |
| 5969 | if (s3_score_pic == s3_NO_PIC) |
| 5970 | { |
| 5971 | s_ignore (0); |
| 5972 | return; |
| 5973 | } |
| 5974 | |
| 5975 | if ((reg = s3_reg_required_here (&input_line_pointer, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL |
| 5976 | || s3_skip_past_comma (&input_line_pointer) == (int) s3_FAIL) |
| 5977 | { |
| 5978 | return; |
| 5979 | } |
| 5980 | |
| 5981 | cprestore_offset = get_absolute_expression (); |
| 5982 | |
| 5983 | if (cprestore_offset <= 0x3fff) |
| 5984 | { |
| 5985 | sprintf (insn_str, "sw r%d, [r%d, %d]", s3_GP, reg, cprestore_offset); |
| 5986 | if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL) |
| 5987 | return; |
| 5988 | } |
| 5989 | else |
| 5990 | { |
| 5991 | int r1_bak; |
| 5992 | |
| 5993 | r1_bak = s3_nor1; |
| 5994 | s3_nor1 = 0; |
| 5995 | |
| 5996 | sprintf (insn_str, "li r1, %d", cprestore_offset); |
| 5997 | if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL) |
| 5998 | return; |
| 5999 | |
| 6000 | sprintf (insn_str, "add r1, r1, r%d", reg); |
| 6001 | if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL) |
| 6002 | return; |
| 6003 | |
| 6004 | sprintf (insn_str, "sw r%d, [r1]", s3_GP); |
| 6005 | if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL) |
| 6006 | return; |
| 6007 | |
| 6008 | s3_nor1 = r1_bak; |
| 6009 | } |
| 6010 | |
| 6011 | demand_empty_rest_of_line (); |
| 6012 | } |
| 6013 | |
| 6014 | /* Handle the .gpword pseudo-op. This is used when generating s3_PIC |
| 6015 | code. It generates a 32 bit s3_GP relative reloc. */ |
| 6016 | static void |
| 6017 | s3_s_score_gpword (int ignore ATTRIBUTE_UNUSED) |
| 6018 | { |
| 6019 | expressionS ex; |
| 6020 | char *p; |
| 6021 | |
| 6022 | /* When not generating s3_PIC code, this is treated as .word. */ |
| 6023 | if (s3_score_pic == s3_NO_PIC) |
| 6024 | { |
| 6025 | cons (4); |
| 6026 | return; |
| 6027 | } |
| 6028 | expression (&ex); |
| 6029 | if (ex.X_op != O_symbol || ex.X_add_number != 0) |
| 6030 | { |
| 6031 | as_bad (_("Unsupported use of .gpword")); |
| 6032 | ignore_rest_of_line (); |
| 6033 | } |
| 6034 | p = frag_more (4); |
| 6035 | s3_md_number_to_chars (p, (valueT) 0, 4); |
| 6036 | fix_new_exp (frag_now, p - frag_now->fr_literal, 4, &ex, FALSE, BFD_RELOC_GPREL32); |
| 6037 | demand_empty_rest_of_line (); |
| 6038 | } |
| 6039 | |
| 6040 | /* Handle the .cpadd pseudo-op. This is used when dealing with switch |
| 6041 | tables in s3_PIC code. */ |
| 6042 | static void |
| 6043 | s3_s_score_cpadd (int ignore ATTRIBUTE_UNUSED) |
| 6044 | { |
| 6045 | int reg; |
| 6046 | char insn_str[s3_MAX_LITERAL_POOL_SIZE]; |
| 6047 | |
| 6048 | /* If we are not generating s3_PIC code, .cpload is ignored. */ |
| 6049 | if (s3_score_pic == s3_NO_PIC) |
| 6050 | { |
| 6051 | s_ignore (0); |
| 6052 | return; |
| 6053 | } |
| 6054 | |
| 6055 | if ((reg = s3_reg_required_here (&input_line_pointer, -1, s3_REG_TYPE_SCORE)) == (int) s3_FAIL) |
| 6056 | { |
| 6057 | return; |
| 6058 | } |
| 6059 | demand_empty_rest_of_line (); |
| 6060 | |
| 6061 | /* Add $gp to the register named as an argument. */ |
| 6062 | sprintf (insn_str, "add r%d, r%d, r%d", reg, reg, s3_GP); |
| 6063 | if (s3_append_insn (insn_str, TRUE) == (int) s3_FAIL) |
| 6064 | return; |
| 6065 | } |
| 6066 | |
| 6067 | #ifndef TC_IMPLICIT_LCOMM_ALIGNMENT |
| 6068 | #define TC_IMPLICIT_LCOMM_ALIGNMENT(SIZE, P2VAR) \ |
| 6069 | do \ |
| 6070 | { \ |
| 6071 | if ((SIZE) >= 8) \ |
| 6072 | (P2VAR) = 3; \ |
| 6073 | else if ((SIZE) >= 4) \ |
| 6074 | (P2VAR) = 2; \ |
| 6075 | else if ((SIZE) >= 2) \ |
| 6076 | (P2VAR) = 1; \ |
| 6077 | else \ |
| 6078 | (P2VAR) = 0; \ |
| 6079 | } \ |
| 6080 | while (0) |
| 6081 | #endif |
| 6082 | |
| 6083 | static void |
| 6084 | s3_s_score_lcomm (int bytes_p) |
| 6085 | { |
| 6086 | char *name; |
| 6087 | char c; |
| 6088 | char *p; |
| 6089 | int temp; |
| 6090 | symbolS *symbolP; |
| 6091 | segT current_seg = now_seg; |
| 6092 | subsegT current_subseg = now_subseg; |
| 6093 | const int max_alignment = 15; |
| 6094 | int align = 0; |
| 6095 | segT bss_seg = bss_section; |
| 6096 | int needs_align = 0; |
| 6097 | |
| 6098 | name = input_line_pointer; |
| 6099 | c = get_symbol_end (); |
| 6100 | p = input_line_pointer; |
| 6101 | *p = c; |
| 6102 | |
| 6103 | if (name == p) |
| 6104 | { |
| 6105 | as_bad (_("expected symbol name")); |
| 6106 | discard_rest_of_line (); |
| 6107 | return; |
| 6108 | } |
| 6109 | |
| 6110 | SKIP_WHITESPACE (); |
| 6111 | |
| 6112 | /* Accept an optional comma after the name. The comma used to be |
| 6113 | required, but Irix 5 cc does not generate it. */ |
| 6114 | if (*input_line_pointer == ',') |
| 6115 | { |
| 6116 | ++input_line_pointer; |
| 6117 | SKIP_WHITESPACE (); |
| 6118 | } |
| 6119 | |
| 6120 | if (is_end_of_line[(unsigned char)*input_line_pointer]) |
| 6121 | { |
| 6122 | as_bad (_("missing size expression")); |
| 6123 | return; |
| 6124 | } |
| 6125 | |
| 6126 | if ((temp = get_absolute_expression ()) < 0) |
| 6127 | { |
| 6128 | as_warn (_("BSS length (%d) < 0 ignored"), temp); |
| 6129 | ignore_rest_of_line (); |
| 6130 | return; |
| 6131 | } |
| 6132 | |
| 6133 | #if defined (TC_SCORE) |
| 6134 | if (OUTPUT_FLAVOR == bfd_target_ecoff_flavour || OUTPUT_FLAVOR == bfd_target_elf_flavour) |
| 6135 | { |
| 6136 | /* For Score and Alpha ECOFF or ELF, small objects are put in .sbss. */ |
| 6137 | if ((unsigned)temp <= bfd_get_gp_size (stdoutput)) |
| 6138 | { |
| 6139 | bss_seg = subseg_new (".sbss", 1); |
| 6140 | seg_info (bss_seg)->bss = 1; |
| 6141 | #ifdef BFD_ASSEMBLER |
| 6142 | if (!bfd_set_section_flags (stdoutput, bss_seg, SEC_ALLOC)) |
| 6143 | as_warn (_("error setting flags for \".sbss\": %s"), bfd_errmsg (bfd_get_error ())); |
| 6144 | #endif |
| 6145 | } |
| 6146 | } |
| 6147 | #endif |
| 6148 | |
| 6149 | SKIP_WHITESPACE (); |
| 6150 | if (*input_line_pointer == ',') |
| 6151 | { |
| 6152 | ++input_line_pointer; |
| 6153 | SKIP_WHITESPACE (); |
| 6154 | |
| 6155 | if (is_end_of_line[(unsigned char)*input_line_pointer]) |
| 6156 | { |
| 6157 | as_bad (_("missing alignment")); |
| 6158 | return; |
| 6159 | } |
| 6160 | else |
| 6161 | { |
| 6162 | align = get_absolute_expression (); |
| 6163 | needs_align = 1; |
| 6164 | } |
| 6165 | } |
| 6166 | |
| 6167 | if (!needs_align) |
| 6168 | { |
| 6169 | TC_IMPLICIT_LCOMM_ALIGNMENT (temp, align); |
| 6170 | |
| 6171 | /* Still zero unless TC_IMPLICIT_LCOMM_ALIGNMENT set it. */ |
| 6172 | if (align) |
| 6173 | record_alignment (bss_seg, align); |
| 6174 | } |
| 6175 | |
| 6176 | if (needs_align) |
| 6177 | { |
| 6178 | if (bytes_p) |
| 6179 | { |
| 6180 | /* Convert to a power of 2. */ |
| 6181 | if (align != 0) |
| 6182 | { |
| 6183 | unsigned int i; |
| 6184 | |
| 6185 | for (i = 0; align != 0; align >>= 1, ++i) |
| 6186 | ; |
| 6187 | align = i - 1; |
| 6188 | } |
| 6189 | } |
| 6190 | |
| 6191 | if (align > max_alignment) |
| 6192 | { |
| 6193 | align = max_alignment; |
| 6194 | as_warn (_("alignment too large; %d assumed"), align); |
| 6195 | } |
| 6196 | else if (align < 0) |
| 6197 | { |
| 6198 | align = 0; |
| 6199 | as_warn (_("alignment negative; 0 assumed")); |
| 6200 | } |
| 6201 | |
| 6202 | record_alignment (bss_seg, align); |
| 6203 | } |
| 6204 | else |
| 6205 | { |
| 6206 | /* Assume some objects may require alignment on some systems. */ |
| 6207 | #if defined (TC_ALPHA) && ! defined (VMS) |
| 6208 | if (temp > 1) |
| 6209 | { |
| 6210 | align = ffs (temp) - 1; |
| 6211 | if (temp % (1 << align)) |
| 6212 | abort (); |
| 6213 | } |
| 6214 | #endif |
| 6215 | } |
| 6216 | |
| 6217 | *p = 0; |
| 6218 | symbolP = symbol_find_or_make (name); |
| 6219 | *p = c; |
| 6220 | |
| 6221 | if ( |
| 6222 | #if (defined (OBJ_AOUT) || defined (OBJ_MAYBE_AOUT) \ |
| 6223 | || defined (OBJ_BOUT) || defined (OBJ_MAYBE_BOUT)) |
| 6224 | #ifdef BFD_ASSEMBLER |
| 6225 | (OUTPUT_FLAVOR != bfd_target_aout_flavour |
| 6226 | || (S_GET_OTHER (symbolP) == 0 && S_GET_DESC (symbolP) == 0)) && |
| 6227 | #else |
| 6228 | (S_GET_OTHER (symbolP) == 0 && S_GET_DESC (symbolP) == 0) && |
| 6229 | #endif |
| 6230 | #endif |
| 6231 | (S_GET_SEGMENT (symbolP) == bss_seg || (!S_IS_DEFINED (symbolP) && S_GET_VALUE (symbolP) == 0))) |
| 6232 | { |
| 6233 | char *pfrag; |
| 6234 | |
| 6235 | subseg_set (bss_seg, 1); |
| 6236 | |
| 6237 | if (align) |
| 6238 | frag_align (align, 0, 0); |
| 6239 | |
| 6240 | /* Detach from old frag. */ |
| 6241 | if (S_GET_SEGMENT (symbolP) == bss_seg) |
| 6242 | symbol_get_frag (symbolP)->fr_symbol = NULL; |
| 6243 | |
| 6244 | symbol_set_frag (symbolP, frag_now); |
| 6245 | pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, (offsetT) temp, NULL); |
| 6246 | *pfrag = 0; |
| 6247 | |
| 6248 | |
| 6249 | S_SET_SEGMENT (symbolP, bss_seg); |
| 6250 | |
| 6251 | #ifdef OBJ_COFF |
| 6252 | /* The symbol may already have been created with a preceding |
| 6253 | ".globl" directive -- be careful not to step on storage class |
| 6254 | in that case. Otherwise, set it to static. */ |
| 6255 | if (S_GET_STORAGE_CLASS (symbolP) != C_EXT) |
| 6256 | { |
| 6257 | S_SET_STORAGE_CLASS (symbolP, C_STAT); |
| 6258 | } |
| 6259 | #endif /* OBJ_COFF */ |
| 6260 | |
| 6261 | #ifdef S_SET_SIZE |
| 6262 | S_SET_SIZE (symbolP, temp); |
| 6263 | #endif |
| 6264 | } |
| 6265 | else |
| 6266 | as_bad (_("symbol `%s' is already defined"), S_GET_NAME (symbolP)); |
| 6267 | |
| 6268 | subseg_set (current_seg, current_subseg); |
| 6269 | |
| 6270 | demand_empty_rest_of_line (); |
| 6271 | } |
| 6272 | |
| 6273 | static void |
| 6274 | s3_insert_reg (const struct s3_reg_entry *r, struct hash_control *htab) |
| 6275 | { |
| 6276 | int i = 0; |
| 6277 | int len = strlen (r->name) + 2; |
| 6278 | char *buf = xmalloc (len); |
| 6279 | char *buf2 = xmalloc (len); |
| 6280 | |
| 6281 | strcpy (buf + i, r->name); |
| 6282 | for (i = 0; buf[i]; i++) |
| 6283 | { |
| 6284 | buf2[i] = TOUPPER (buf[i]); |
| 6285 | } |
| 6286 | buf2[i] = '\0'; |
| 6287 | |
| 6288 | hash_insert (htab, buf, (void *) r); |
| 6289 | hash_insert (htab, buf2, (void *) r); |
| 6290 | } |
| 6291 | |
| 6292 | static void |
| 6293 | s3_build_reg_hsh (struct s3_reg_map *map) |
| 6294 | { |
| 6295 | const struct s3_reg_entry *r; |
| 6296 | |
| 6297 | if ((map->htab = hash_new ()) == NULL) |
| 6298 | { |
| 6299 | as_fatal (_("virtual memory exhausted")); |
| 6300 | } |
| 6301 | for (r = map->names; r->name != NULL; r++) |
| 6302 | { |
| 6303 | s3_insert_reg (r, map->htab); |
| 6304 | } |
| 6305 | } |
| 6306 | |
| 6307 | /* Iterate over the base tables to create the instruction patterns. */ |
| 6308 | static void |
| 6309 | s3_build_score_ops_hsh (void) |
| 6310 | { |
| 6311 | unsigned int i; |
| 6312 | static struct obstack insn_obstack; |
| 6313 | |
| 6314 | obstack_begin (&insn_obstack, 4000); |
| 6315 | for (i = 0; i < sizeof (s3_score_insns) / sizeof (struct s3_asm_opcode); i++) |
| 6316 | { |
| 6317 | const struct s3_asm_opcode *insn = s3_score_insns + i; |
| 6318 | unsigned len = strlen (insn->template_name); |
| 6319 | struct s3_asm_opcode *new_opcode; |
| 6320 | char *template_name; |
| 6321 | new_opcode = (struct s3_asm_opcode *) |
| 6322 | obstack_alloc (&insn_obstack, sizeof (struct s3_asm_opcode)); |
| 6323 | template_name = (char *) obstack_alloc (& insn_obstack, len + 1); |
| 6324 | |
| 6325 | strcpy (template_name, insn->template_name); |
| 6326 | new_opcode->template_name = template_name; |
| 6327 | new_opcode->parms = insn->parms; |
| 6328 | new_opcode->value = insn->value; |
| 6329 | new_opcode->relax_value = insn->relax_value; |
| 6330 | new_opcode->type = insn->type; |
| 6331 | new_opcode->bitmask = insn->bitmask; |
| 6332 | hash_insert (s3_score_ops_hsh, new_opcode->template_name, |
| 6333 | (void *) new_opcode); |
| 6334 | } |
| 6335 | } |
| 6336 | |
| 6337 | static void |
| 6338 | s3_build_dependency_insn_hsh (void) |
| 6339 | { |
| 6340 | unsigned int i; |
| 6341 | static struct obstack dependency_obstack; |
| 6342 | |
| 6343 | obstack_begin (&dependency_obstack, 4000); |
| 6344 | for (i = 0; i < sizeof (s3_insn_to_dependency_table) / sizeof (s3_insn_to_dependency_table[0]); i++) |
| 6345 | { |
| 6346 | const struct s3_insn_to_dependency *tmp = s3_insn_to_dependency_table + i; |
| 6347 | unsigned len = strlen (tmp->insn_name); |
| 6348 | struct s3_insn_to_dependency *new_i2n; |
| 6349 | |
| 6350 | new_i2n = (struct s3_insn_to_dependency *) |
| 6351 | obstack_alloc (&dependency_obstack, |
| 6352 | sizeof (struct s3_insn_to_dependency)); |
| 6353 | new_i2n->insn_name = (char *) obstack_alloc (&dependency_obstack, |
| 6354 | len + 1); |
| 6355 | |
| 6356 | strcpy (new_i2n->insn_name, tmp->insn_name); |
| 6357 | new_i2n->type = tmp->type; |
| 6358 | hash_insert (s3_dependency_insn_hsh, new_i2n->insn_name, |
| 6359 | (void *) new_i2n); |
| 6360 | } |
| 6361 | } |
| 6362 | |
| 6363 | static void |
| 6364 | s_score_bss (int ignore ATTRIBUTE_UNUSED) |
| 6365 | { |
| 6366 | if (score3) |
| 6367 | return s3_s_score_bss (ignore); |
| 6368 | else |
| 6369 | return s7_s_score_bss (ignore); |
| 6370 | } |
| 6371 | |
| 6372 | static void |
| 6373 | s_score_text (int ignore) |
| 6374 | { |
| 6375 | if (score3) |
| 6376 | return s3_s_score_text (ignore); |
| 6377 | else |
| 6378 | return s7_s_score_text (ignore); |
| 6379 | } |
| 6380 | |
| 6381 | static void |
| 6382 | s_section (int ignore) |
| 6383 | { |
| 6384 | if (score3) |
| 6385 | return s3_score_s_section (ignore); |
| 6386 | else |
| 6387 | return s7_s_section (ignore); |
| 6388 | } |
| 6389 | |
| 6390 | static void |
| 6391 | s_change_sec (int sec) |
| 6392 | { |
| 6393 | if (score3) |
| 6394 | return s3_s_change_sec (sec); |
| 6395 | else |
| 6396 | return s7_s_change_sec (sec); |
| 6397 | } |
| 6398 | |
| 6399 | static void |
| 6400 | s_score_mask (int reg_type ATTRIBUTE_UNUSED) |
| 6401 | { |
| 6402 | if (score3) |
| 6403 | return s3_s_score_mask (reg_type); |
| 6404 | else |
| 6405 | return s7_s_score_mask (reg_type); |
| 6406 | } |
| 6407 | |
| 6408 | static void |
| 6409 | s_score_ent (int aent) |
| 6410 | { |
| 6411 | if (score3) |
| 6412 | return s3_s_score_ent (aent); |
| 6413 | else |
| 6414 | return s7_s_score_ent (aent); |
| 6415 | } |
| 6416 | |
| 6417 | static void |
| 6418 | s_score_frame (int ignore ATTRIBUTE_UNUSED) |
| 6419 | { |
| 6420 | if (score3) |
| 6421 | return s3_s_score_frame (ignore); |
| 6422 | else |
| 6423 | return s7_s_score_frame (ignore); |
| 6424 | } |
| 6425 | |
| 6426 | static void |
| 6427 | s_score_end (int x ATTRIBUTE_UNUSED) |
| 6428 | { |
| 6429 | if (score3) |
| 6430 | return s3_s_score_end (x); |
| 6431 | else |
| 6432 | return s7_s_score_end (x); |
| 6433 | } |
| 6434 | |
| 6435 | static void |
| 6436 | s_score_set (int x ATTRIBUTE_UNUSED) |
| 6437 | { |
| 6438 | if (score3) |
| 6439 | return s3_s_score_set (x); |
| 6440 | else |
| 6441 | return s7_s_score_set (x); |
| 6442 | } |
| 6443 | |
| 6444 | static void |
| 6445 | s_score_cpload (int ignore ATTRIBUTE_UNUSED) |
| 6446 | { |
| 6447 | if (score3) |
| 6448 | return s3_s_score_cpload (ignore); |
| 6449 | else |
| 6450 | return s7_s_score_cpload (ignore); |
| 6451 | } |
| 6452 | |
| 6453 | static void |
| 6454 | s_score_cprestore (int ignore ATTRIBUTE_UNUSED) |
| 6455 | { |
| 6456 | if (score3) |
| 6457 | return s3_s_score_cprestore (ignore); |
| 6458 | else |
| 6459 | return s7_s_score_cprestore (ignore); |
| 6460 | } |
| 6461 | |
| 6462 | static void |
| 6463 | s_score_gpword (int ignore ATTRIBUTE_UNUSED) |
| 6464 | { |
| 6465 | if (score3) |
| 6466 | return s3_s_score_gpword (ignore); |
| 6467 | else |
| 6468 | return s7_s_score_gpword (ignore); |
| 6469 | } |
| 6470 | |
| 6471 | static void |
| 6472 | s_score_cpadd (int ignore ATTRIBUTE_UNUSED) |
| 6473 | { |
| 6474 | if (score3) |
| 6475 | return s3_s_score_cpadd (ignore); |
| 6476 | else |
| 6477 | return s7_s_score_cpadd (ignore); |
| 6478 | } |
| 6479 | |
| 6480 | static void |
| 6481 | s_score_lcomm (int bytes_p) |
| 6482 | { |
| 6483 | if (score3) |
| 6484 | return s3_s_score_lcomm (bytes_p); |
| 6485 | else |
| 6486 | return s7_s_score_lcomm (bytes_p); |
| 6487 | } |
| 6488 | |
| 6489 | static void |
| 6490 | s3_assemble (char *str) |
| 6491 | { |
| 6492 | know (str); |
| 6493 | know (strlen (str) < s3_MAX_LITERAL_POOL_SIZE); |
| 6494 | |
| 6495 | memset (&s3_inst, '\0', sizeof (s3_inst)); |
| 6496 | if (s3_INSN_IS_PCE_P (str)) |
| 6497 | s3_parse_pce_inst (str); |
| 6498 | else if (s3_INSN_IS_48_P (str)) |
| 6499 | s3_parse_48_inst (str, TRUE); |
| 6500 | else |
| 6501 | s3_parse_16_32_inst (str, TRUE); |
| 6502 | |
| 6503 | if (s3_inst.error) |
| 6504 | as_bad (_("%s -- `%s'"), s3_inst.error, s3_inst.str); |
| 6505 | } |
| 6506 | |
| 6507 | static void |
| 6508 | s3_operand (expressionS * exp) |
| 6509 | { |
| 6510 | if (s3_in_my_get_expression) |
| 6511 | { |
| 6512 | exp->X_op = O_illegal; |
| 6513 | if (s3_inst.error == NULL) |
| 6514 | { |
| 6515 | s3_inst.error = _("bad expression"); |
| 6516 | } |
| 6517 | } |
| 6518 | } |
| 6519 | |
| 6520 | static void |
| 6521 | s3_begin (void) |
| 6522 | { |
| 6523 | unsigned int i; |
| 6524 | segT seg; |
| 6525 | subsegT subseg; |
| 6526 | |
| 6527 | if ((s3_score_ops_hsh = hash_new ()) == NULL) |
| 6528 | as_fatal (_("virtual memory exhausted")); |
| 6529 | |
| 6530 | s3_build_score_ops_hsh (); |
| 6531 | |
| 6532 | if ((s3_dependency_insn_hsh = hash_new ()) == NULL) |
| 6533 | as_fatal (_("virtual memory exhausted")); |
| 6534 | |
| 6535 | s3_build_dependency_insn_hsh (); |
| 6536 | |
| 6537 | for (i = (int)s3_REG_TYPE_FIRST; i < (int)s3_REG_TYPE_MAX; i++) |
| 6538 | s3_build_reg_hsh (s3_all_reg_maps + i); |
| 6539 | |
| 6540 | /* Initialize dependency vector. */ |
| 6541 | s3_init_dependency_vector (); |
| 6542 | |
| 6543 | bfd_set_arch_mach (stdoutput, TARGET_ARCH, 0); |
| 6544 | seg = now_seg; |
| 6545 | subseg = now_subseg; |
| 6546 | s3_pdr_seg = subseg_new (".pdr", (subsegT) 0); |
| 6547 | (void)bfd_set_section_flags (stdoutput, s3_pdr_seg, SEC_READONLY | SEC_RELOC | SEC_DEBUGGING); |
| 6548 | (void)bfd_set_section_alignment (stdoutput, s3_pdr_seg, 2); |
| 6549 | subseg_set (seg, subseg); |
| 6550 | |
| 6551 | if (s3_USE_GLOBAL_POINTER_OPT) |
| 6552 | bfd_set_gp_size (stdoutput, s3_g_switch_value); |
| 6553 | } |
| 6554 | |
| 6555 | static void |
| 6556 | s3_number_to_chars (char *buf, valueT val, int n) |
| 6557 | { |
| 6558 | if (target_big_endian) |
| 6559 | number_to_chars_bigendian (buf, val, n); |
| 6560 | else |
| 6561 | number_to_chars_littleendian (buf, val, n); |
| 6562 | } |
| 6563 | |
| 6564 | static valueT |
| 6565 | s3_normal_chars_to_number (char *buf, int n) |
| 6566 | { |
| 6567 | valueT result = 0; |
| 6568 | unsigned char *where = (unsigned char *)buf; |
| 6569 | |
| 6570 | if (target_big_endian) |
| 6571 | { |
| 6572 | while (n--) |
| 6573 | { |
| 6574 | result <<= 8; |
| 6575 | result |= (*where++ & 255); |
| 6576 | } |
| 6577 | } |
| 6578 | else |
| 6579 | { |
| 6580 | while (n--) |
| 6581 | { |
| 6582 | result <<= 8; |
| 6583 | result |= (where[n] & 255); |
| 6584 | } |
| 6585 | } |
| 6586 | |
| 6587 | return result; |
| 6588 | } |
| 6589 | |
| 6590 | static void |
| 6591 | s3_number_to_chars_littleendian (void *p, valueT data, int n) |
| 6592 | { |
| 6593 | char *buf = (char *) p; |
| 6594 | |
| 6595 | switch (n) |
| 6596 | { |
| 6597 | case 4: |
| 6598 | md_number_to_chars (buf, data >> 16, 2); |
| 6599 | md_number_to_chars (buf + 2, data, 2); |
| 6600 | break; |
| 6601 | case 6: |
| 6602 | md_number_to_chars (buf, data >> 32, 2); |
| 6603 | md_number_to_chars (buf + 2, data >> 16, 2); |
| 6604 | md_number_to_chars (buf + 4, data, 2); |
| 6605 | break; |
| 6606 | default: |
| 6607 | /* Error routine. */ |
| 6608 | as_bad_where (__FILE__, __LINE__, _("size is not 4 or 6")); |
| 6609 | break; |
| 6610 | } |
| 6611 | } |
| 6612 | |
| 6613 | static valueT |
| 6614 | s3_chars_to_number_littleendian (const void *p, int n) |
| 6615 | { |
| 6616 | char *buf = (char *) p; |
| 6617 | valueT result = 0; |
| 6618 | |
| 6619 | switch (n) |
| 6620 | { |
| 6621 | case 4: |
| 6622 | result = s3_normal_chars_to_number (buf, 2) << 16; |
| 6623 | result |= s3_normal_chars_to_number (buf + 2, 2); |
| 6624 | break; |
| 6625 | case 6: |
| 6626 | result = s3_normal_chars_to_number (buf, 2) << 32; |
| 6627 | result |= s3_normal_chars_to_number (buf + 2, 2) << 16; |
| 6628 | result |= s3_normal_chars_to_number (buf + 4, 2); |
| 6629 | break; |
| 6630 | default: |
| 6631 | /* Error routine. */ |
| 6632 | as_bad_where (__FILE__, __LINE__, _("size is not 4 or 6")); |
| 6633 | break; |
| 6634 | } |
| 6635 | |
| 6636 | return result; |
| 6637 | } |
| 6638 | |
| 6639 | static void |
| 6640 | s3_md_number_to_chars (char *buf, valueT val, int n) |
| 6641 | { |
| 6642 | if (!target_big_endian && n >= 4) |
| 6643 | s3_number_to_chars_littleendian (buf, val, n); |
| 6644 | else |
| 6645 | md_number_to_chars (buf, val, n); |
| 6646 | } |
| 6647 | |
| 6648 | static valueT |
| 6649 | s3_md_chars_to_number (char *buf, int n) |
| 6650 | { |
| 6651 | valueT result = 0; |
| 6652 | |
| 6653 | if (!target_big_endian && n >= 4) |
| 6654 | result = s3_chars_to_number_littleendian (buf, n); |
| 6655 | else |
| 6656 | result = s3_normal_chars_to_number (buf, n); |
| 6657 | |
| 6658 | return result; |
| 6659 | } |
| 6660 | |
| 6661 | static char * |
| 6662 | s3_atof (int type, char *litP, int *sizeP) |
| 6663 | { |
| 6664 | int prec; |
| 6665 | LITTLENUM_TYPE words[s3_MAX_LITTLENUMS]; |
| 6666 | char *t; |
| 6667 | int i; |
| 6668 | |
| 6669 | switch (type) |
| 6670 | { |
| 6671 | case 'f': |
| 6672 | case 'F': |
| 6673 | case 's': |
| 6674 | case 'S': |
| 6675 | prec = 2; |
| 6676 | break; |
| 6677 | case 'd': |
| 6678 | case 'D': |
| 6679 | case 'r': |
| 6680 | case 'R': |
| 6681 | prec = 4; |
| 6682 | break; |
| 6683 | case 'x': |
| 6684 | case 'X': |
| 6685 | case 'p': |
| 6686 | case 'P': |
| 6687 | prec = 6; |
| 6688 | break; |
| 6689 | default: |
| 6690 | *sizeP = 0; |
| 6691 | return _("bad call to MD_ATOF()"); |
| 6692 | } |
| 6693 | |
| 6694 | t = atof_ieee (input_line_pointer, type, words); |
| 6695 | if (t) |
| 6696 | input_line_pointer = t; |
| 6697 | *sizeP = prec * 2; |
| 6698 | |
| 6699 | if (target_big_endian) |
| 6700 | { |
| 6701 | for (i = 0; i < prec; i++) |
| 6702 | { |
| 6703 | s3_md_number_to_chars (litP, (valueT) words[i], 2); |
| 6704 | litP += 2; |
| 6705 | } |
| 6706 | } |
| 6707 | else |
| 6708 | { |
| 6709 | for (i = 0; i < prec; i += 2) |
| 6710 | { |
| 6711 | s3_md_number_to_chars (litP, (valueT) words[i + 1], 2); |
| 6712 | s3_md_number_to_chars (litP + 2, (valueT) words[i], 2); |
| 6713 | litP += 4; |
| 6714 | } |
| 6715 | } |
| 6716 | |
| 6717 | return 0; |
| 6718 | } |
| 6719 | |
| 6720 | static void |
| 6721 | s3_frag_check (fragS * fragp ATTRIBUTE_UNUSED) |
| 6722 | { |
| 6723 | know (fragp->insn_addr <= s3_RELAX_PAD_BYTE); |
| 6724 | } |
| 6725 | |
| 6726 | static void |
| 6727 | s3_validate_fix (fixS *fixP) |
| 6728 | { |
| 6729 | fixP->fx_where += fixP->fx_frag->insn_addr; |
| 6730 | } |
| 6731 | |
| 6732 | static int |
| 6733 | s3_force_relocation (struct fix *fixp) |
| 6734 | { |
| 6735 | int retval = 0; |
| 6736 | |
| 6737 | if (fixp->fx_r_type == BFD_RELOC_VTABLE_INHERIT |
| 6738 | || fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY |
| 6739 | || fixp->fx_r_type == BFD_RELOC_SCORE_JMP |
| 6740 | || fixp->fx_r_type == BFD_RELOC_SCORE_BRANCH |
| 6741 | || fixp->fx_r_type == BFD_RELOC_SCORE16_JMP |
| 6742 | || fixp->fx_r_type == BFD_RELOC_SCORE16_BRANCH |
| 6743 | || fixp->fx_r_type == BFD_RELOC_SCORE_BCMP) |
| 6744 | { |
| 6745 | retval = 1; |
| 6746 | } |
| 6747 | return retval; |
| 6748 | } |
| 6749 | |
| 6750 | static bfd_boolean |
| 6751 | s3_fix_adjustable (fixS * fixP) |
| 6752 | { |
| 6753 | if (fixP->fx_addsy == NULL) |
| 6754 | { |
| 6755 | return 1; |
| 6756 | } |
| 6757 | else if (OUTPUT_FLAVOR == bfd_target_elf_flavour |
| 6758 | && (S_IS_EXTERNAL (fixP->fx_addsy) || S_IS_WEAK (fixP->fx_addsy))) |
| 6759 | { |
| 6760 | return 0; |
| 6761 | } |
| 6762 | else if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT |
| 6763 | || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY |
| 6764 | || fixP->fx_r_type == BFD_RELOC_SCORE_JMP |
| 6765 | || fixP->fx_r_type == BFD_RELOC_SCORE16_JMP) |
| 6766 | { |
| 6767 | return 0; |
| 6768 | } |
| 6769 | |
| 6770 | return 1; |
| 6771 | } |
| 6772 | |
| 6773 | static void |
| 6774 | s3_elf_final_processing (void) |
| 6775 | { |
| 6776 | unsigned long val = 0; |
| 6777 | |
| 6778 | if (score3) |
| 6779 | val = E_SCORE_MACH_SCORE3; |
| 6780 | else if (score7) |
| 6781 | val = E_SCORE_MACH_SCORE7; |
| 6782 | |
| 6783 | elf_elfheader (stdoutput)->e_machine = EM_SCORE; |
| 6784 | elf_elfheader (stdoutput)->e_flags &= ~EF_SCORE_MACH; |
| 6785 | elf_elfheader (stdoutput)->e_flags |= val; |
| 6786 | |
| 6787 | if (s3_fix_data_dependency == 1) |
| 6788 | { |
| 6789 | elf_elfheader (stdoutput)->e_flags |= EF_SCORE_FIXDEP; |
| 6790 | } |
| 6791 | if (s3_score_pic == s3_PIC) |
| 6792 | { |
| 6793 | elf_elfheader (stdoutput)->e_flags |= EF_SCORE_PIC; |
| 6794 | } |
| 6795 | } |
| 6796 | |
| 6797 | static int |
| 6798 | s3_judge_size_before_relax (fragS * fragp, asection *sec) |
| 6799 | { |
| 6800 | int change = 0; |
| 6801 | |
| 6802 | if (s3_score_pic == s3_NO_PIC) |
| 6803 | change = s3_nopic_need_relax (fragp->fr_symbol, 0); |
| 6804 | else |
| 6805 | change = s3_pic_need_relax (fragp->fr_symbol, sec); |
| 6806 | |
| 6807 | if (change == 1) |
| 6808 | { |
| 6809 | /* Only at the first time determining whether s3_GP instruction relax should be done, |
| 6810 | return the difference between insntruction size and instruction relax size. */ |
| 6811 | if (fragp->fr_opcode == NULL) |
| 6812 | { |
| 6813 | fragp->fr_fix = s3_RELAX_NEW (fragp->fr_subtype); |
| 6814 | fragp->fr_opcode = fragp->fr_literal + s3_RELAX_RELOC1 (fragp->fr_subtype); |
| 6815 | return s3_RELAX_NEW (fragp->fr_subtype) - s3_RELAX_OLD (fragp->fr_subtype); |
| 6816 | } |
| 6817 | } |
| 6818 | |
| 6819 | return 0; |
| 6820 | } |
| 6821 | |
| 6822 | static int |
| 6823 | s3_estimate_size_before_relax (fragS * fragp, asection * sec ATTRIBUTE_UNUSED) |
| 6824 | { |
| 6825 | if ((s3_RELAX_TYPE (fragp->fr_subtype) == Insn_GP) |
| 6826 | || (s3_RELAX_TYPE (fragp->fr_subtype) == Insn_PIC)) |
| 6827 | return s3_judge_size_before_relax (fragp, sec); |
| 6828 | |
| 6829 | return 0; |
| 6830 | } |
| 6831 | |
| 6832 | static int |
| 6833 | s3_relax_branch_inst32 (fragS * fragp) |
| 6834 | { |
| 6835 | fragp->fr_opcode = NULL; |
| 6836 | return 0; |
| 6837 | } |
| 6838 | |
| 6839 | static int |
| 6840 | s3_relax_branch_inst16 (fragS * fragp) |
| 6841 | { |
| 6842 | int relaxable_p = 0; |
| 6843 | int frag_addr = fragp->fr_address + fragp->insn_addr; |
| 6844 | addressT symbol_address = 0; |
| 6845 | symbolS *s; |
| 6846 | offsetT offset; |
| 6847 | long value; |
| 6848 | unsigned long inst_value; |
| 6849 | |
| 6850 | relaxable_p = s3_RELAX_OPT (fragp->fr_subtype); |
| 6851 | |
| 6852 | s = fragp->fr_symbol; |
| 6853 | if (s == NULL) |
| 6854 | frag_addr = 0; |
| 6855 | else |
| 6856 | { |
| 6857 | if (s->bsym != 0) |
| 6858 | symbol_address = (addressT) s->sy_frag->fr_address; |
| 6859 | } |
| 6860 | |
| 6861 | inst_value = s3_md_chars_to_number (fragp->fr_literal, s3_INSN16_SIZE); |
| 6862 | offset = (inst_value & 0x1ff) << 1; |
| 6863 | if ((offset & 0x200) == 0x200) |
| 6864 | offset |= 0xfffffc00; |
| 6865 | |
| 6866 | value = offset + symbol_address - frag_addr; |
| 6867 | |
| 6868 | if (relaxable_p |
| 6869 | && (!((value & 0xfffffe00) == 0 || (value & 0xfffffe00) == 0xfffffe00)) |
| 6870 | && fragp->fr_fix == 2 |
| 6871 | && (s->bsym != NULL) |
| 6872 | && (S_IS_DEFINED (s) |
| 6873 | && !S_IS_COMMON (s) |
| 6874 | && !S_IS_EXTERNAL (s))) |
| 6875 | { |
| 6876 | /* Relax branch 32 to branch 16. */ |
| 6877 | fragp->fr_opcode = fragp->fr_literal + s3_RELAX_RELOC1 (fragp->fr_subtype); |
| 6878 | fragp->fr_fix = 4; |
| 6879 | return 2; |
| 6880 | } |
| 6881 | else |
| 6882 | return 0; |
| 6883 | } |
| 6884 | |
| 6885 | static int |
| 6886 | s3_relax_cmpbranch_inst32 (fragS * fragp) |
| 6887 | { |
| 6888 | int relaxable_p = 0; |
| 6889 | symbolS *s; |
| 6890 | /* For sign bit. */ |
| 6891 | long offset; |
| 6892 | long frag_addr = fragp->fr_address + fragp->insn_addr; |
| 6893 | long symbol_address = 0; |
| 6894 | long value; |
| 6895 | unsigned long inst_value; |
| 6896 | |
| 6897 | relaxable_p = s3_RELAX_OPT (fragp->fr_subtype); |
| 6898 | |
| 6899 | s = fragp->fr_symbol; |
| 6900 | if (s == NULL) |
| 6901 | frag_addr = 0; |
| 6902 | else |
| 6903 | { |
| 6904 | if (s->bsym != 0) |
| 6905 | symbol_address = (addressT) s->sy_frag->fr_address; |
| 6906 | } |
| 6907 | |
| 6908 | inst_value = s3_md_chars_to_number (fragp->fr_literal, s3_INSN_SIZE); |
| 6909 | offset = (inst_value & 0x1) |
| 6910 | | (((inst_value >> 7) & 0x7) << 1) |
| 6911 | | (((inst_value >> 21) & 0x1f) << 4); |
| 6912 | offset <<= 1; |
| 6913 | if ((offset & 0x200) == 0x200) |
| 6914 | offset |= 0xfffffe00; |
| 6915 | |
| 6916 | value = offset + symbol_address - frag_addr; |
| 6917 | /* change the order of judging rule is because |
| 6918 | 1.not defined symbol or common sysbol or external symbol will change |
| 6919 | bcmp to cmp!+beq/bne ,here need to record fragp->fr_opcode |
| 6920 | 2.if the flow is as before : it will results to recursive loop |
| 6921 | */ |
| 6922 | if (fragp->fr_fix == 6) |
| 6923 | { |
| 6924 | /* Have already relaxed! Just return 0 to terminate the loop. */ |
| 6925 | return 0; |
| 6926 | } |
| 6927 | /* need to translate when extern or not defind or common sysbol */ |
| 6928 | else if ((relaxable_p |
| 6929 | && (!((value & 0xfffffe00) == 0 || (value & 0xfffffe00) == 0xfffffe00)) |
| 6930 | && fragp->fr_fix == 4 |
| 6931 | && (s->bsym != NULL)) |
| 6932 | || !S_IS_DEFINED (s) |
| 6933 | ||S_IS_COMMON (s) |
| 6934 | ||S_IS_EXTERNAL (s)) |
| 6935 | { |
| 6936 | fragp->fr_opcode = fragp->fr_literal + s3_RELAX_RELOC1 (fragp->fr_subtype); |
| 6937 | fragp->fr_fix = 6; |
| 6938 | return 2; |
| 6939 | } |
| 6940 | else |
| 6941 | { |
| 6942 | /* Never relax. Modify fr_opcode to NULL to verify it's value in |
| 6943 | md_apply_fix. */ |
| 6944 | fragp->fr_opcode = NULL; |
| 6945 | return 0; |
| 6946 | } |
| 6947 | } |
| 6948 | |
| 6949 | |
| 6950 | static int |
| 6951 | s3_relax_other_inst32 (fragS * fragp) |
| 6952 | { |
| 6953 | int relaxable_p = s3_RELAX_OPT (fragp->fr_subtype); |
| 6954 | |
| 6955 | if (relaxable_p |
| 6956 | && fragp->fr_fix == 4) |
| 6957 | { |
| 6958 | fragp->fr_opcode = fragp->fr_literal + s3_RELAX_RELOC1 (fragp->fr_subtype); |
| 6959 | fragp->fr_fix = 2; |
| 6960 | return -2; |
| 6961 | } |
| 6962 | else |
| 6963 | return 0; |
| 6964 | } |
| 6965 | |
| 6966 | static int |
| 6967 | s3_relax_gp_and_pic_inst32 (void) |
| 6968 | { |
| 6969 | /* md_estimate_size_before_relax has already relaxed s3_GP and s3_PIC |
| 6970 | instructions. We don't change relax size here. */ |
| 6971 | return 0; |
| 6972 | } |
| 6973 | |
| 6974 | static int |
| 6975 | s3_relax_frag (asection * sec ATTRIBUTE_UNUSED, fragS * fragp, long stretch ATTRIBUTE_UNUSED) |
| 6976 | { |
| 6977 | int grows = 0; |
| 6978 | int adjust_align_p = 0; |
| 6979 | |
| 6980 | /* If the instruction address is odd, make it half word align first. */ |
| 6981 | if ((fragp->fr_address) % 2 != 0) |
| 6982 | { |
| 6983 | if ((fragp->fr_address + fragp->insn_addr) % 2 != 0) |
| 6984 | { |
| 6985 | fragp->insn_addr = 1; |
| 6986 | grows += 1; |
| 6987 | adjust_align_p = 1; |
| 6988 | } |
| 6989 | } |
| 6990 | |
| 6991 | switch (s3_RELAX_TYPE (fragp->fr_subtype)) |
| 6992 | { |
| 6993 | case PC_DISP19div2: |
| 6994 | grows += s3_relax_branch_inst32 (fragp); |
| 6995 | break; |
| 6996 | |
| 6997 | case PC_DISP8div2: |
| 6998 | grows += s3_relax_branch_inst16 (fragp); |
| 6999 | break; |
| 7000 | |
| 7001 | case Insn_BCMP : |
| 7002 | grows += s3_relax_cmpbranch_inst32 (fragp); |
| 7003 | break; |
| 7004 | |
| 7005 | case Insn_GP: |
| 7006 | case Insn_PIC: |
| 7007 | grows += s3_relax_gp_and_pic_inst32 (); |
| 7008 | break; |
| 7009 | |
| 7010 | default: |
| 7011 | grows += s3_relax_other_inst32 (fragp); |
| 7012 | break; |
| 7013 | } |
| 7014 | |
| 7015 | /* newly added */ |
| 7016 | if (adjust_align_p && fragp->insn_addr) |
| 7017 | { |
| 7018 | fragp->fr_fix += fragp->insn_addr; |
| 7019 | } |
| 7020 | |
| 7021 | return grows; |
| 7022 | } |
| 7023 | |
| 7024 | static void |
| 7025 | s3_convert_frag (bfd * abfd ATTRIBUTE_UNUSED, segT sec ATTRIBUTE_UNUSED, fragS * fragp) |
| 7026 | { |
| 7027 | int r_old; |
| 7028 | int r_new; |
| 7029 | char backup[20]; |
| 7030 | fixS *fixp; |
| 7031 | |
| 7032 | r_old = s3_RELAX_OLD (fragp->fr_subtype); |
| 7033 | r_new = s3_RELAX_NEW (fragp->fr_subtype); |
| 7034 | |
| 7035 | /* fragp->fr_opcode indicates whether this frag should be relaxed. */ |
| 7036 | if (fragp->fr_opcode == NULL) |
| 7037 | { |
| 7038 | memcpy (backup, fragp->fr_literal, r_old); |
| 7039 | fragp->fr_fix = r_old; |
| 7040 | } |
| 7041 | else |
| 7042 | { |
| 7043 | memcpy (backup, fragp->fr_literal + r_old, r_new); |
| 7044 | fragp->fr_fix = r_new; |
| 7045 | } |
| 7046 | |
| 7047 | fixp = fragp->tc_frag_data.fixp; |
| 7048 | while (fixp && fixp->fx_frag == fragp && fixp->fx_where < r_old) |
| 7049 | { |
| 7050 | if (fragp->fr_opcode) |
| 7051 | fixp->fx_done = 1; |
| 7052 | fixp = fixp->fx_next; |
| 7053 | } |
| 7054 | while (fixp && fixp->fx_frag == fragp) |
| 7055 | { |
| 7056 | if (fragp->fr_opcode) |
| 7057 | fixp->fx_where -= r_old + fragp->insn_addr; |
| 7058 | else |
| 7059 | fixp->fx_done = 1; |
| 7060 | fixp = fixp->fx_next; |
| 7061 | } |
| 7062 | |
| 7063 | if (fragp->insn_addr) |
| 7064 | { |
| 7065 | s3_md_number_to_chars (fragp->fr_literal, 0x0, fragp->insn_addr); |
| 7066 | } |
| 7067 | memcpy (fragp->fr_literal + fragp->insn_addr, backup, fragp->fr_fix); |
| 7068 | fragp->fr_fix += fragp->insn_addr; |
| 7069 | } |
| 7070 | |
| 7071 | static long |
| 7072 | s3_pcrel_from (fixS * fixP) |
| 7073 | { |
| 7074 | long retval = 0; |
| 7075 | |
| 7076 | if (fixP->fx_addsy |
| 7077 | && (S_GET_SEGMENT (fixP->fx_addsy) == undefined_section) |
| 7078 | && (fixP->fx_subsy == NULL)) |
| 7079 | { |
| 7080 | retval = 0; |
| 7081 | } |
| 7082 | else |
| 7083 | { |
| 7084 | retval = fixP->fx_where + fixP->fx_frag->fr_address; |
| 7085 | } |
| 7086 | |
| 7087 | return retval; |
| 7088 | } |
| 7089 | |
| 7090 | static valueT |
| 7091 | s3_section_align (segT segment ATTRIBUTE_UNUSED, valueT size) |
| 7092 | { |
| 7093 | int align = bfd_get_section_alignment (stdoutput, segment); |
| 7094 | return ((size + (1 << align) - 1) & (-1 << align)); |
| 7095 | } |
| 7096 | |
| 7097 | static void |
| 7098 | s3_apply_fix (fixS *fixP, valueT *valP, segT seg) |
| 7099 | { |
| 7100 | offsetT value = *valP; |
| 7101 | offsetT newval; |
| 7102 | offsetT content; |
| 7103 | unsigned short HI, LO; |
| 7104 | |
| 7105 | char *buf = fixP->fx_frag->fr_literal + fixP->fx_where; |
| 7106 | |
| 7107 | gas_assert (fixP->fx_r_type < BFD_RELOC_UNUSED); |
| 7108 | if (fixP->fx_addsy == 0 && !fixP->fx_pcrel) |
| 7109 | { |
| 7110 | if (fixP->fx_r_type != BFD_RELOC_SCORE_DUMMY_HI16) |
| 7111 | fixP->fx_done = 1; |
| 7112 | } |
| 7113 | |
| 7114 | /* If this symbol is in a different section then we need to leave it for |
| 7115 | the linker to deal with. Unfortunately, md_pcrel_from can't tell, |
| 7116 | so we have to undo it's effects here. */ |
| 7117 | if (fixP->fx_pcrel) |
| 7118 | { |
| 7119 | if (fixP->fx_addsy != NULL |
| 7120 | && S_IS_DEFINED (fixP->fx_addsy) |
| 7121 | && S_GET_SEGMENT (fixP->fx_addsy) != seg) |
| 7122 | value += md_pcrel_from (fixP); |
| 7123 | } |
| 7124 | |
| 7125 | /* Remember value for emit_reloc. */ |
| 7126 | fixP->fx_addnumber = value; |
| 7127 | |
| 7128 | switch (fixP->fx_r_type) |
| 7129 | { |
| 7130 | case BFD_RELOC_HI16_S: |
| 7131 | if (fixP->fx_done) /* For la rd, imm32. */ |
| 7132 | { |
| 7133 | newval = s3_md_chars_to_number (buf, s3_INSN_SIZE); |
| 7134 | HI = (value) >> 16; /* mul to 2, then take the hi 16 bit. */ |
| 7135 | newval |= (HI & 0x3fff) << 1; |
| 7136 | newval |= ((HI >> 14) & 0x3) << 16; |
| 7137 | s3_md_number_to_chars (buf, newval, s3_INSN_SIZE); |
| 7138 | } |
| 7139 | break; |
| 7140 | case BFD_RELOC_LO16: |
| 7141 | if (fixP->fx_done) /* For la rd, imm32. */ |
| 7142 | { |
| 7143 | newval = s3_md_chars_to_number (buf, s3_INSN_SIZE); |
| 7144 | LO = (value) & 0xffff; |
| 7145 | newval |= (LO & 0x3fff) << 1; /* 16 bit: imm -> 14 bit in lo, 2 bit in hi. */ |
| 7146 | newval |= ((LO >> 14) & 0x3) << 16; |
| 7147 | s3_md_number_to_chars (buf, newval, s3_INSN_SIZE); |
| 7148 | } |
| 7149 | break; |
| 7150 | case BFD_RELOC_SCORE_JMP: |
| 7151 | { |
| 7152 | content = s3_md_chars_to_number (buf, s3_INSN_SIZE); |
| 7153 | value = fixP->fx_offset; |
| 7154 | content = (content & ~0x3ff7ffe) | ((value << 1) & 0x3ff0000) | (value & 0x7fff); |
| 7155 | s3_md_number_to_chars (buf, content, s3_INSN_SIZE); |
| 7156 | } |
| 7157 | break; |
| 7158 | |
| 7159 | case BFD_RELOC_SCORE_IMM30: |
| 7160 | { |
| 7161 | content = s3_md_chars_to_number (buf, s3_INSN48_SIZE); |
| 7162 | value = fixP->fx_offset; |
| 7163 | value >>= 2; |
| 7164 | content = (content & ~0x7f7fff7f80LL) |
| 7165 | | (((value & 0xff) >> 0) << 7) |
| 7166 | | (((value & 0x7fff00) >> 8) << 16) |
| 7167 | | (((value & 0x3f800000) >> 23) << 32); |
| 7168 | s3_md_number_to_chars (buf, content, s3_INSN48_SIZE); |
| 7169 | break; |
| 7170 | } |
| 7171 | |
| 7172 | case BFD_RELOC_SCORE_IMM32: |
| 7173 | { |
| 7174 | content = s3_md_chars_to_number (buf, s3_INSN48_SIZE); |
| 7175 | value = fixP->fx_offset; |
| 7176 | content = (content & ~0x7f7fff7fe0LL) |
| 7177 | | ((value & 0x3ff) << 5) |
| 7178 | | (((value >> 10) & 0x7fff) << 16) |
| 7179 | | (((value >> 25) & 0x7f) << 32); |
| 7180 | s3_md_number_to_chars (buf, content, s3_INSN48_SIZE); |
| 7181 | break; |
| 7182 | } |
| 7183 | |
| 7184 | case BFD_RELOC_SCORE_BRANCH: |
| 7185 | if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) || (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy))) |
| 7186 | value = fixP->fx_offset; |
| 7187 | else |
| 7188 | fixP->fx_done = 1; |
| 7189 | |
| 7190 | content = s3_md_chars_to_number (buf, s3_INSN_SIZE); |
| 7191 | |
| 7192 | /* Don't check c-bit. */ |
| 7193 | if (fixP->fx_frag->fr_opcode != 0) |
| 7194 | { |
| 7195 | if ((value & 0xfffffe00) != 0 && (value & 0xfffffe00) != 0xfffffe00) |
| 7196 | { |
| 7197 | as_bad_where (fixP->fx_file, fixP->fx_line, |
| 7198 | _(" branch relocation truncate (0x%x) [-2^9 ~ 2^9]"), (unsigned int)value); |
| 7199 | return; |
| 7200 | } |
| 7201 | content = s3_md_chars_to_number (buf, s3_INSN16_SIZE); |
| 7202 | content &= 0xfe00; |
| 7203 | content = (content & 0xfe00) | ((value >> 1) & 0x1ff); |
| 7204 | s3_md_number_to_chars (buf, content, s3_INSN16_SIZE); |
| 7205 | fixP->fx_r_type = BFD_RELOC_SCORE16_BRANCH; |
| 7206 | fixP->fx_size = 2; |
| 7207 | } |
| 7208 | else |
| 7209 | { |
| 7210 | if ((value & 0xfff80000) != 0 && (value & 0xfff80000) != 0xfff80000) |
| 7211 | { |
| 7212 | as_bad_where (fixP->fx_file, fixP->fx_line, |
| 7213 | _(" branch relocation truncate (0x%x) [-2^19 ~ 2^19]"), (unsigned int)value); |
| 7214 | return; |
| 7215 | } |
| 7216 | content = s3_md_chars_to_number (buf, s3_INSN_SIZE); |
| 7217 | content &= 0xfc00fc01; |
| 7218 | content = (content & 0xfc00fc01) | (value & 0x3fe) | ((value << 6) & 0x3ff0000); |
| 7219 | s3_md_number_to_chars (buf, content, s3_INSN_SIZE); |
| 7220 | } |
| 7221 | break; |
| 7222 | case BFD_RELOC_SCORE16_JMP: |
| 7223 | content = s3_md_chars_to_number (buf, s3_INSN16_SIZE); |
| 7224 | content &= 0xf001; |
| 7225 | value = fixP->fx_offset & 0xfff; |
| 7226 | content = (content & 0xfc01) | (value & 0xffe); |
| 7227 | s3_md_number_to_chars (buf, content, s3_INSN16_SIZE); |
| 7228 | break; |
| 7229 | case BFD_RELOC_SCORE16_BRANCH: |
| 7230 | content = s3_md_chars_to_number (buf, s3_INSN_SIZE); |
| 7231 | /* Don't check c-bit. */ |
| 7232 | if (fixP->fx_frag->fr_opcode != 0) |
| 7233 | { |
| 7234 | if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) || |
| 7235 | (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy))) |
| 7236 | value = fixP->fx_offset; |
| 7237 | else |
| 7238 | fixP->fx_done = 1; |
| 7239 | if ((value & 0xfff80000) != 0 && (value & 0xfff80000) != 0xfff80000) |
| 7240 | { |
| 7241 | as_bad_where (fixP->fx_file, fixP->fx_line, |
| 7242 | _(" branch relocation truncate (0x%x) [-2^19 ~ 2^19]"), (unsigned int)value); |
| 7243 | return; |
| 7244 | } |
| 7245 | content = s3_md_chars_to_number (buf, s3_INSN_SIZE); |
| 7246 | content = (content & 0xfc00fc01) | (value & 0x3fe) | ((value << 6) & 0x3ff0000); |
| 7247 | s3_md_number_to_chars (buf, content, s3_INSN_SIZE); |
| 7248 | fixP->fx_r_type = BFD_RELOC_SCORE_BRANCH; |
| 7249 | fixP->fx_size = 4; |
| 7250 | break; |
| 7251 | } |
| 7252 | else |
| 7253 | { |
| 7254 | /* In differnt section. */ |
| 7255 | if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) || |
| 7256 | (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy))) |
| 7257 | value = fixP->fx_offset; |
| 7258 | else |
| 7259 | fixP->fx_done = 1; |
| 7260 | |
| 7261 | if ((value & 0xfffffe00) != 0 && (value & 0xfffffe00) != 0xfffffe00) |
| 7262 | { |
| 7263 | as_bad_where (fixP->fx_file, fixP->fx_line, |
| 7264 | _(" branch relocation truncate (0x%x) [-2^9 ~ 2^9]"), (unsigned int)value); |
| 7265 | return; |
| 7266 | } |
| 7267 | |
| 7268 | content = s3_md_chars_to_number (buf, s3_INSN16_SIZE); |
| 7269 | content = (content & 0xfe00) | ((value >> 1) & 0x1ff); |
| 7270 | s3_md_number_to_chars (buf, content, s3_INSN16_SIZE); |
| 7271 | break; |
| 7272 | } |
| 7273 | |
| 7274 | break; |
| 7275 | |
| 7276 | case BFD_RELOC_SCORE_BCMP: |
| 7277 | if (fixP->fx_frag->fr_opcode != 0) |
| 7278 | { |
| 7279 | char *buf_ptr = buf; |
| 7280 | buf_ptr += 2; |
| 7281 | |
| 7282 | if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) || (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy))) |
| 7283 | value = fixP->fx_offset; |
| 7284 | else |
| 7285 | fixP->fx_done = 1; |
| 7286 | |
| 7287 | /* NOTE!!! |
| 7288 | bcmp -> cmp! and branch, so value -= 2. */ |
| 7289 | value -= 2; |
| 7290 | |
| 7291 | if ((value & 0xfff80000) != 0 && (value & 0xfff80000) != 0xfff80000) |
| 7292 | { |
| 7293 | as_bad_where (fixP->fx_file, fixP->fx_line, |
| 7294 | _(" branch relocation truncate (0x%x) [-2^19 ~ 2^19]"), (unsigned int)value); |
| 7295 | return; |
| 7296 | } |
| 7297 | |
| 7298 | content = s3_md_chars_to_number (buf_ptr, s3_INSN_SIZE); |
| 7299 | content &= 0xfc00fc01; |
| 7300 | content = (content & 0xfc00fc01) | (value & 0x3fe) | ((value << 6) & 0x3ff0000); |
| 7301 | s3_md_number_to_chars (buf_ptr, content, s3_INSN_SIZE); |
| 7302 | /* change relocation type to BFD_RELOC_SCORE_BRANCH */ |
| 7303 | fixP->fx_r_type = BFD_RELOC_SCORE_BRANCH; |
| 7304 | fixP->fx_where+=2; /* first insn is cmp! , the second insn is beq/bne */ |
| 7305 | break; |
| 7306 | } |
| 7307 | else |
| 7308 | { |
| 7309 | if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) || (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy))) |
| 7310 | value = fixP->fx_offset; |
| 7311 | else |
| 7312 | fixP->fx_done = 1; |
| 7313 | |
| 7314 | content = s3_md_chars_to_number (buf, s3_INSN_SIZE); |
| 7315 | |
| 7316 | if ((value & 0xfffffe00) != 0 && (value & 0xfffffe00) != 0xfffffe00) |
| 7317 | { |
| 7318 | as_bad_where (fixP->fx_file, fixP->fx_line, |
| 7319 | _(" branch relocation truncate (0x%x) [-2^9 ~ 2^9]"), (unsigned int)value); |
| 7320 | return; |
| 7321 | } |
| 7322 | |
| 7323 | value >>= 1; |
| 7324 | content &= ~0x03e00381; |
| 7325 | content = content |
| 7326 | | (value & 0x1) |
| 7327 | | (((value & 0xe) >> 1) << 7) |
| 7328 | | (((value & 0x1f0) >> 4) << 21); |
| 7329 | |
| 7330 | s3_md_number_to_chars (buf, content, s3_INSN_SIZE); |
| 7331 | break; |
| 7332 | } |
| 7333 | |
| 7334 | case BFD_RELOC_8: |
| 7335 | if (fixP->fx_done || fixP->fx_pcrel) |
| 7336 | s3_md_number_to_chars (buf, value, 1); |
| 7337 | #ifdef OBJ_ELF |
| 7338 | else |
| 7339 | { |
| 7340 | value = fixP->fx_offset; |
| 7341 | s3_md_number_to_chars (buf, value, 1); |
| 7342 | } |
| 7343 | #endif |
| 7344 | break; |
| 7345 | |
| 7346 | case BFD_RELOC_16: |
| 7347 | if (fixP->fx_done || fixP->fx_pcrel) |
| 7348 | s3_md_number_to_chars (buf, value, 2); |
| 7349 | #ifdef OBJ_ELF |
| 7350 | else |
| 7351 | { |
| 7352 | value = fixP->fx_offset; |
| 7353 | s3_md_number_to_chars (buf, value, 2); |
| 7354 | } |
| 7355 | #endif |
| 7356 | break; |
| 7357 | case BFD_RELOC_RVA: |
| 7358 | case BFD_RELOC_32: |
| 7359 | if (fixP->fx_done || fixP->fx_pcrel) |
| 7360 | md_number_to_chars (buf, value, 4); |
| 7361 | #ifdef OBJ_ELF |
| 7362 | else |
| 7363 | { |
| 7364 | value = fixP->fx_offset; |
| 7365 | md_number_to_chars (buf, value, 4); |
| 7366 | } |
| 7367 | #endif |
| 7368 | break; |
| 7369 | case BFD_RELOC_VTABLE_INHERIT: |
| 7370 | fixP->fx_done = 0; |
| 7371 | if (fixP->fx_addsy && !S_IS_DEFINED (fixP->fx_addsy) && !S_IS_WEAK (fixP->fx_addsy)) |
| 7372 | S_SET_WEAK (fixP->fx_addsy); |
| 7373 | break; |
| 7374 | case BFD_RELOC_VTABLE_ENTRY: |
| 7375 | fixP->fx_done = 0; |
| 7376 | break; |
| 7377 | case BFD_RELOC_SCORE_GPREL15: |
| 7378 | content = s3_md_chars_to_number (buf, s3_INSN_SIZE); |
| 7379 | /* c-bit. */ |
| 7380 | if ((fixP->fx_frag->fr_opcode != 0) && ((content & 0xfc1c8000) != 0x94180000)) |
| 7381 | fixP->fx_r_type = BFD_RELOC_NONE; |
| 7382 | fixP->fx_done = 0; |
| 7383 | break; |
| 7384 | case BFD_RELOC_SCORE_GOT15: |
| 7385 | case BFD_RELOC_SCORE_DUMMY_HI16: |
| 7386 | case BFD_RELOC_SCORE_GOT_LO16: |
| 7387 | case BFD_RELOC_SCORE_CALL15: |
| 7388 | case BFD_RELOC_GPREL32: |
| 7389 | break; |
| 7390 | case BFD_RELOC_NONE: |
| 7391 | default: |
| 7392 | as_bad_where (fixP->fx_file, fixP->fx_line, _("bad relocation fixup type (%d)"), fixP->fx_r_type); |
| 7393 | } |
| 7394 | } |
| 7395 | |
| 7396 | static arelent ** |
| 7397 | s3_gen_reloc (asection * section ATTRIBUTE_UNUSED, fixS * fixp) |
| 7398 | { |
| 7399 | static arelent *retval[MAX_RELOC_EXPANSION + 1]; /* MAX_RELOC_EXPANSION equals 2. */ |
| 7400 | arelent *reloc; |
| 7401 | bfd_reloc_code_real_type code; |
| 7402 | char *type; |
| 7403 | |
| 7404 | reloc = retval[0] = xmalloc (sizeof (arelent)); |
| 7405 | retval[1] = NULL; |
| 7406 | |
| 7407 | reloc->sym_ptr_ptr = xmalloc (sizeof (asymbol *)); |
| 7408 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); |
| 7409 | reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; |
| 7410 | reloc->addend = fixp->fx_offset; |
| 7411 | |
| 7412 | /* If this is a variant frag, we may need to adjust the existing |
| 7413 | reloc and generate a new one. */ |
| 7414 | if (fixp->fx_frag->fr_opcode != NULL && (fixp->fx_r_type == BFD_RELOC_SCORE_GPREL15)) |
| 7415 | { |
| 7416 | /* Update instruction imm bit. */ |
| 7417 | offsetT newval; |
| 7418 | unsigned short off; |
| 7419 | char *buf; |
| 7420 | |
| 7421 | buf = fixp->fx_frag->fr_literal + fixp->fx_frag->insn_addr; |
| 7422 | newval = s3_md_chars_to_number (buf, s3_INSN_SIZE); |
| 7423 | off = fixp->fx_offset >> 16; |
| 7424 | newval |= (off & 0x3fff) << 1; |
| 7425 | newval |= ((off >> 14) & 0x3) << 16; |
| 7426 | s3_md_number_to_chars (buf, newval, s3_INSN_SIZE); |
| 7427 | |
| 7428 | buf += s3_INSN_SIZE; |
| 7429 | newval = s3_md_chars_to_number (buf, s3_INSN_SIZE); |
| 7430 | off = fixp->fx_offset & 0xffff; |
| 7431 | newval |= ((off & 0x3fff) << 1); |
| 7432 | newval |= (((off >> 14) & 0x3) << 16); |
| 7433 | s3_md_number_to_chars (buf, newval, s3_INSN_SIZE); |
| 7434 | |
| 7435 | retval[1] = xmalloc (sizeof (arelent)); |
| 7436 | retval[2] = NULL; |
| 7437 | retval[1]->sym_ptr_ptr = xmalloc (sizeof (asymbol *)); |
| 7438 | *retval[1]->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); |
| 7439 | retval[1]->address = (reloc->address + s3_RELAX_RELOC2 (fixp->fx_frag->fr_subtype)); |
| 7440 | |
| 7441 | retval[1]->addend = 0; |
| 7442 | retval[1]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_LO16); |
| 7443 | gas_assert (retval[1]->howto != NULL); |
| 7444 | |
| 7445 | fixp->fx_r_type = BFD_RELOC_HI16_S; |
| 7446 | } |
| 7447 | |
| 7448 | code = fixp->fx_r_type; |
| 7449 | switch (fixp->fx_r_type) |
| 7450 | { |
| 7451 | case BFD_RELOC_32: |
| 7452 | if (fixp->fx_pcrel) |
| 7453 | { |
| 7454 | code = BFD_RELOC_32_PCREL; |
| 7455 | break; |
| 7456 | } |
| 7457 | case BFD_RELOC_HI16_S: |
| 7458 | case BFD_RELOC_LO16: |
| 7459 | case BFD_RELOC_SCORE_JMP: |
| 7460 | case BFD_RELOC_SCORE_BRANCH: |
| 7461 | case BFD_RELOC_SCORE16_JMP: |
| 7462 | case BFD_RELOC_SCORE16_BRANCH: |
| 7463 | case BFD_RELOC_SCORE_BCMP: |
| 7464 | case BFD_RELOC_VTABLE_ENTRY: |
| 7465 | case BFD_RELOC_VTABLE_INHERIT: |
| 7466 | case BFD_RELOC_SCORE_GPREL15: |
| 7467 | case BFD_RELOC_SCORE_GOT15: |
| 7468 | case BFD_RELOC_SCORE_DUMMY_HI16: |
| 7469 | case BFD_RELOC_SCORE_GOT_LO16: |
| 7470 | case BFD_RELOC_SCORE_CALL15: |
| 7471 | case BFD_RELOC_GPREL32: |
| 7472 | case BFD_RELOC_NONE: |
| 7473 | case BFD_RELOC_SCORE_IMM30: |
| 7474 | case BFD_RELOC_SCORE_IMM32: |
| 7475 | code = fixp->fx_r_type; |
| 7476 | break; |
| 7477 | default: |
| 7478 | type = _("<unknown>"); |
| 7479 | as_bad_where (fixp->fx_file, fixp->fx_line, |
| 7480 | _("cannot represent %s relocation in this object file format"), type); |
| 7481 | return NULL; |
| 7482 | } |
| 7483 | |
| 7484 | reloc->howto = bfd_reloc_type_lookup (stdoutput, code); |
| 7485 | if (reloc->howto == NULL) |
| 7486 | { |
| 7487 | as_bad_where (fixp->fx_file, fixp->fx_line, |
| 7488 | _("cannot represent %s relocation in this object file format1"), |
| 7489 | bfd_get_reloc_code_name (code)); |
| 7490 | return NULL; |
| 7491 | } |
| 7492 | /* HACK: Since arm ELF uses Rel instead of Rela, encode the |
| 7493 | vtable entry to be used in the relocation's section offset. */ |
| 7494 | if (fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY) |
| 7495 | reloc->address = fixp->fx_offset; |
| 7496 | |
| 7497 | return retval; |
| 7498 | } |
| 7499 | |
| 7500 | void |
| 7501 | md_assemble (char *str) |
| 7502 | { |
| 7503 | if (score3) |
| 7504 | s3_assemble (str); |
| 7505 | else |
| 7506 | s7_assemble (str); |
| 7507 | } |
| 7508 | |
| 7509 | /* We handle all bad expressions here, so that we can report the faulty |
| 7510 | instruction in the error message. */ |
| 7511 | void |
| 7512 | md_operand (expressionS * exp) |
| 7513 | { |
| 7514 | if (score3) |
| 7515 | s3_operand (exp); |
| 7516 | else |
| 7517 | s7_operand (exp); |
| 7518 | } |
| 7519 | |
| 7520 | /* Turn an integer of n bytes (in val) into a stream of bytes appropriate |
| 7521 | for use in the a.out file, and stores them in the array pointed to by buf. |
| 7522 | This knows about the endian-ness of the target machine and does |
| 7523 | THE RIGHT THING, whatever it is. Possible values for n are 1 (byte) |
| 7524 | 2 (short) and 4 (long) Floating numbers are put out as a series of |
| 7525 | LITTLENUMS (shorts, here at least). */ |
| 7526 | void |
| 7527 | md_number_to_chars (char *buf, valueT val, int n) |
| 7528 | { |
| 7529 | if (score3) |
| 7530 | s3_number_to_chars (buf, val, n); |
| 7531 | else |
| 7532 | s7_number_to_chars (buf, val, n); |
| 7533 | } |
| 7534 | |
| 7535 | /* Turn a string in input_line_pointer into a floating point constant |
| 7536 | of type TYPE, and store the appropriate bytes in *LITP. The number |
| 7537 | of LITTLENUMS emitted is stored in *SIZEP. An error message is |
| 7538 | returned, or NULL on OK. |
| 7539 | |
| 7540 | Note that fp constants aren't represent in the normal way on the ARM. |
| 7541 | In big endian mode, things are as expected. However, in little endian |
| 7542 | mode fp constants are big-endian word-wise, and little-endian byte-wise |
| 7543 | within the words. For example, (double) 1.1 in big endian mode is |
| 7544 | the byte sequence 3f f1 99 99 99 99 99 9a, and in little endian mode is |
| 7545 | the byte sequence 99 99 f1 3f 9a 99 99 99. */ |
| 7546 | char * |
| 7547 | md_atof (int type, char *litP, int *sizeP) |
| 7548 | { |
| 7549 | if (score3) |
| 7550 | return s3_atof (type, litP, sizeP); |
| 7551 | else |
| 7552 | return s7_atof (type, litP, sizeP); |
| 7553 | } |
| 7554 | |
| 7555 | void |
| 7556 | score_frag_check (fragS * fragp ATTRIBUTE_UNUSED) |
| 7557 | { |
| 7558 | if (score3) |
| 7559 | s3_frag_check (fragp); |
| 7560 | else |
| 7561 | s7_frag_check (fragp); |
| 7562 | } |
| 7563 | |
| 7564 | /* Implementation of TC_VALIDATE_FIX. |
| 7565 | Called before md_apply_fix() and after md_convert_frag(). */ |
| 7566 | void |
| 7567 | score_validate_fix (fixS *fixP) |
| 7568 | { |
| 7569 | if (score3) |
| 7570 | s3_validate_fix (fixP); |
| 7571 | else |
| 7572 | s7_validate_fix (fixP); |
| 7573 | } |
| 7574 | |
| 7575 | int |
| 7576 | score_force_relocation (struct fix *fixp) |
| 7577 | { |
| 7578 | if (score3) |
| 7579 | return s3_force_relocation (fixp); |
| 7580 | else |
| 7581 | return s7_force_relocation (fixp); |
| 7582 | } |
| 7583 | |
| 7584 | /* Implementation of md_frag_check. |
| 7585 | Called after md_convert_frag(). */ |
| 7586 | bfd_boolean |
| 7587 | score_fix_adjustable (fixS * fixP) |
| 7588 | { |
| 7589 | if (score3) |
| 7590 | return s3_fix_adjustable (fixP); |
| 7591 | else |
| 7592 | return s7_fix_adjustable (fixP); |
| 7593 | } |
| 7594 | |
| 7595 | void |
| 7596 | score_elf_final_processing (void) |
| 7597 | { |
| 7598 | if (score3) |
| 7599 | s3_elf_final_processing (); |
| 7600 | else |
| 7601 | s7_elf_final_processing (); |
| 7602 | } |
| 7603 | |
| 7604 | /* In this function, we determine whether s3_GP instruction should do relaxation, |
| 7605 | for the label being against was known now. |
| 7606 | Doing this here but not in md_relax_frag() can induce iteration times |
| 7607 | in stage of doing relax. */ |
| 7608 | int |
| 7609 | md_estimate_size_before_relax (fragS * fragp, asection * sec ATTRIBUTE_UNUSED) |
| 7610 | { |
| 7611 | if (score3) |
| 7612 | return s3_estimate_size_before_relax (fragp, sec); |
| 7613 | else |
| 7614 | return s7_estimate_size_before_relax (fragp, sec); |
| 7615 | } |
| 7616 | |
| 7617 | int |
| 7618 | score_relax_frag (asection * sec ATTRIBUTE_UNUSED, fragS * fragp, long stretch ATTRIBUTE_UNUSED) |
| 7619 | { |
| 7620 | if (score3) |
| 7621 | return s3_relax_frag (sec, fragp, stretch); |
| 7622 | else |
| 7623 | return s7_relax_frag (sec, fragp, stretch); |
| 7624 | } |
| 7625 | |
| 7626 | void |
| 7627 | md_convert_frag (bfd * abfd ATTRIBUTE_UNUSED, segT sec ATTRIBUTE_UNUSED, fragS * fragp) |
| 7628 | { |
| 7629 | if (score3) |
| 7630 | return s3_convert_frag (abfd, sec, fragp); |
| 7631 | else |
| 7632 | return s7_convert_frag (abfd, sec, fragp); |
| 7633 | } |
| 7634 | |
| 7635 | long |
| 7636 | md_pcrel_from (fixS * fixP) |
| 7637 | { |
| 7638 | if (score3) |
| 7639 | return s3_pcrel_from (fixP); |
| 7640 | else |
| 7641 | return s7_pcrel_from (fixP); |
| 7642 | } |
| 7643 | |
| 7644 | /* Round up a section size to the appropriate boundary. */ |
| 7645 | valueT |
| 7646 | md_section_align (segT segment ATTRIBUTE_UNUSED, valueT size) |
| 7647 | { |
| 7648 | if (score3) |
| 7649 | return s3_section_align (segment, size); |
| 7650 | else |
| 7651 | return s7_section_align (segment, size); |
| 7652 | } |
| 7653 | |
| 7654 | void |
| 7655 | md_apply_fix (fixS *fixP, valueT *valP, segT seg) |
| 7656 | { |
| 7657 | if (score3) |
| 7658 | return s3_apply_fix (fixP, valP, seg); |
| 7659 | else |
| 7660 | return s7_apply_fix (fixP, valP, seg); |
| 7661 | } |
| 7662 | |
| 7663 | /* Translate internal representation of relocation info to BFD target format. */ |
| 7664 | arelent ** |
| 7665 | tc_gen_reloc (asection * section ATTRIBUTE_UNUSED, fixS * fixp) |
| 7666 | { |
| 7667 | if (score3) |
| 7668 | return s3_gen_reloc (section, fixp); |
| 7669 | else |
| 7670 | return s7_gen_reloc (section, fixp); |
| 7671 | } |
| 7672 | |
| 7673 | void |
| 7674 | md_begin (void) |
| 7675 | { |
| 7676 | s3_begin (); |
| 7677 | s7_begin (); |
| 7678 | } |
| 7679 | |
| 7680 | static void |
| 7681 | score_set_mach (const char *arg) |
| 7682 | { |
| 7683 | if (strcmp (arg, MARCH_SCORE3) == 0) |
| 7684 | { |
| 7685 | score3 = 1; |
| 7686 | score7 = 0; |
| 7687 | s3_score3d = 1; |
| 7688 | } |
| 7689 | else if (strcmp (arg, MARCH_SCORE7) == 0) |
| 7690 | { |
| 7691 | score3 = 0; |
| 7692 | score7 = 1; |
| 7693 | s7_score7d = 1; |
| 7694 | s7_university_version = 0; |
| 7695 | s7_vector_size = s7_SCORE7_PIPELINE; |
| 7696 | } |
| 7697 | else if (strcmp (arg, MARCH_SCORE5) == 0) |
| 7698 | { |
| 7699 | score3 = 0; |
| 7700 | score7 = 1; |
| 7701 | s7_score7d = 1; |
| 7702 | s7_university_version = 0; |
| 7703 | s7_vector_size = s7_SCORE5_PIPELINE; |
| 7704 | } |
| 7705 | else if (strcmp (arg, MARCH_SCORE5U) == 0) |
| 7706 | { |
| 7707 | score3 = 0; |
| 7708 | score7 = 1; |
| 7709 | s7_score7d = 1; |
| 7710 | s7_university_version = 1; |
| 7711 | s7_vector_size = s7_SCORE5_PIPELINE; |
| 7712 | } |
| 7713 | else |
| 7714 | { |
| 7715 | as_bad (_("unknown architecture `%s'\n"), arg); |
| 7716 | } |
| 7717 | } |
| 7718 | |
| 7719 | int |
| 7720 | md_parse_option (int c, char *arg) |
| 7721 | { |
| 7722 | switch (c) |
| 7723 | { |
| 7724 | #ifdef OPTION_EB |
| 7725 | case OPTION_EB: |
| 7726 | target_big_endian = 1; |
| 7727 | break; |
| 7728 | #endif |
| 7729 | #ifdef OPTION_EL |
| 7730 | case OPTION_EL: |
| 7731 | target_big_endian = 0; |
| 7732 | break; |
| 7733 | #endif |
| 7734 | case OPTION_FIXDD: |
| 7735 | s3_fix_data_dependency = 1; |
| 7736 | s7_fix_data_dependency = 1; |
| 7737 | break; |
| 7738 | case OPTION_NWARN: |
| 7739 | s3_warn_fix_data_dependency = 0; |
| 7740 | s7_warn_fix_data_dependency = 0; |
| 7741 | break; |
| 7742 | case OPTION_SCORE5: |
| 7743 | score3 = 0; |
| 7744 | score7 = 1; |
| 7745 | s7_university_version = 0; |
| 7746 | s7_vector_size = s7_SCORE5_PIPELINE; |
| 7747 | break; |
| 7748 | case OPTION_SCORE5U: |
| 7749 | score3 = 0; |
| 7750 | score7 = 1; |
| 7751 | s7_university_version = 1; |
| 7752 | s7_vector_size = s7_SCORE5_PIPELINE; |
| 7753 | break; |
| 7754 | case OPTION_SCORE7: |
| 7755 | score3 = 0; |
| 7756 | score7 = 1; |
| 7757 | s7_score7d = 1; |
| 7758 | s7_university_version = 0; |
| 7759 | s7_vector_size = s7_SCORE7_PIPELINE; |
| 7760 | break; |
| 7761 | case OPTION_SCORE3: |
| 7762 | score3 = 1; |
| 7763 | score7 = 0; |
| 7764 | s3_score3d = 1; |
| 7765 | break; |
| 7766 | case OPTION_R1: |
| 7767 | s3_nor1 = 0; |
| 7768 | s7_nor1 = 0; |
| 7769 | break; |
| 7770 | case 'G': |
| 7771 | s3_g_switch_value = atoi (arg); |
| 7772 | s7_g_switch_value = atoi (arg); |
| 7773 | break; |
| 7774 | case OPTION_O0: |
| 7775 | s3_g_opt = 0; |
| 7776 | s7_g_opt = 0; |
| 7777 | break; |
| 7778 | case OPTION_SCORE_VERSION: |
| 7779 | printf (_("Sunplus-v2-0-0-20060510\n")); |
| 7780 | break; |
| 7781 | case OPTION_PIC: |
| 7782 | s3_score_pic = s3_NO_PIC; /* Score3 doesn't support PIC now. */ |
| 7783 | s7_score_pic = s7_PIC; |
| 7784 | s3_g_switch_value = 0; /* Must set -G num as 0 to generate s3_PIC code. */ |
| 7785 | s7_g_switch_value = 0; /* Must set -G num as 0 to generate s7_PIC code. */ |
| 7786 | break; |
| 7787 | case OPTION_MARCH: |
| 7788 | score_set_mach (arg); |
| 7789 | break; |
| 7790 | default: |
| 7791 | return 0; |
| 7792 | } |
| 7793 | return 1; |
| 7794 | } |
| 7795 | |
| 7796 | void |
| 7797 | md_show_usage (FILE * fp) |
| 7798 | { |
| 7799 | fprintf (fp, _(" Score-specific assembler options:\n")); |
| 7800 | #ifdef OPTION_EB |
| 7801 | fprintf (fp, _("\ |
| 7802 | -EB\t\tassemble code for a big-endian cpu\n")); |
| 7803 | #endif |
| 7804 | |
| 7805 | #ifdef OPTION_EL |
| 7806 | fprintf (fp, _("\ |
| 7807 | -EL\t\tassemble code for a little-endian cpu\n")); |
| 7808 | #endif |
| 7809 | |
| 7810 | fprintf (fp, _("\ |
| 7811 | -FIXDD\t\tassemble code for fix data dependency\n")); |
| 7812 | fprintf (fp, _("\ |
| 7813 | -NWARN\t\tassemble code for no warning message for fix data dependency\n")); |
| 7814 | fprintf (fp, _("\ |
| 7815 | -SCORE5\t\tassemble code for target is SCORE5\n")); |
| 7816 | fprintf (fp, _("\ |
| 7817 | -SCORE5U\tassemble code for target is SCORE5U\n")); |
| 7818 | fprintf (fp, _("\ |
| 7819 | -SCORE7\t\tassemble code for target is SCORE7, this is default setting\n")); |
| 7820 | fprintf (fp, _("\ |
| 7821 | -SCORE3\t\tassemble code for target is SCORE3\n")); |
| 7822 | fprintf (fp, _("\ |
| 7823 | -march=score7\tassemble code for target is SCORE7, this is default setting\n")); |
| 7824 | fprintf (fp, _("\ |
| 7825 | -march=score3\tassemble code for target is SCORE3\n")); |
| 7826 | fprintf (fp, _("\ |
| 7827 | -USE_R1\t\tassemble code for no warning message when using temp register r1\n")); |
| 7828 | fprintf (fp, _("\ |
| 7829 | -KPIC\t\tassemble code for PIC\n")); |
| 7830 | fprintf (fp, _("\ |
| 7831 | -O0\t\tassembler will not perform any optimizations\n")); |
| 7832 | fprintf (fp, _("\ |
| 7833 | -G gpnum\tassemble code for setting gpsize and default is 8 byte\n")); |
| 7834 | fprintf (fp, _("\ |
| 7835 | -V \t\tSunplus release version \n")); |
| 7836 | } |