| 1 | /* tc-score7.c -- Assembler for Score7 |
| 2 | Copyright (C) 2009-2020 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, |
| 23 | MA 02110-1301, USA. */ |
| 24 | |
| 25 | #include "as.h" |
| 26 | #include "config.h" |
| 27 | #include "subsegs.h" |
| 28 | #include "safe-ctype.h" |
| 29 | #include "opcode/score-inst.h" |
| 30 | #include "libiberty.h" |
| 31 | |
| 32 | #ifdef OBJ_ELF |
| 33 | #include "elf/score.h" |
| 34 | #include "dwarf2dbg.h" |
| 35 | #endif |
| 36 | |
| 37 | static void s7_do_ldst_insn (char *); |
| 38 | static void s7_do_crdcrscrsimm5 (char *); |
| 39 | static void s7_do_ldst_unalign (char *); |
| 40 | static void s7_do_ldst_atomic (char *); |
| 41 | static void s7_do_ldst_cop (char *); |
| 42 | static void s7_do_macro_li_rdi32 (char *); |
| 43 | static void s7_do_macro_la_rdi32 (char *); |
| 44 | static void s7_do_macro_rdi32hi (char *); |
| 45 | static void s7_do_macro_rdi32lo (char *); |
| 46 | static void s7_do_macro_mul_rdrsrs (char *); |
| 47 | static void s7_do_macro_ldst_label (char *); |
| 48 | static void s7_do_branch (char *); |
| 49 | static void s7_do_jump (char *); |
| 50 | static void s7_do_empty (char *); |
| 51 | static void s7_do_rdrsrs (char *); |
| 52 | static void s7_do_rdsi16 (char *); |
| 53 | static void s7_do_rdrssi14 (char *); |
| 54 | static void s7_do_sub_rdsi16 (char *); |
| 55 | static void s7_do_sub_rdrssi14 (char *); |
| 56 | static void s7_do_rdrsi5 (char *); |
| 57 | static void s7_do_rdrsi14 (char *); |
| 58 | static void s7_do_rdi16 (char *); |
| 59 | static void s7_do_xrsi5 (char *); |
| 60 | static void s7_do_rdrs (char *); |
| 61 | static void s7_do_rdxrs (char *); |
| 62 | static void s7_do_rsrs (char *); |
| 63 | static void s7_do_rdcrs (char *); |
| 64 | static void s7_do_rdsrs (char *); |
| 65 | static void s7_do_rd (char *); |
| 66 | static void s7_do_rs (char *); |
| 67 | static void s7_do_i15 (char *); |
| 68 | static void s7_do_xi5x (char *); |
| 69 | static void s7_do_ceinst (char *); |
| 70 | static void s7_do_cache (char *); |
| 71 | static void s7_do16_rdrs (char *); |
| 72 | static void s7_do16_rs (char *); |
| 73 | static void s7_do16_xrs (char *); |
| 74 | static void s7_do16_mv_rdrs (char *); |
| 75 | static void s7_do16_hrdrs (char *); |
| 76 | static void s7_do16_rdhrs (char *); |
| 77 | static void s7_do16_rdi4 (char *); |
| 78 | static void s7_do16_rdi5 (char *); |
| 79 | static void s7_do16_xi5 (char *); |
| 80 | static void s7_do16_ldst_insn (char *); |
| 81 | static void s7_do16_ldst_imm_insn (char *); |
| 82 | static void s7_do16_push_pop (char *); |
| 83 | static void s7_do16_branch (char *); |
| 84 | static void s7_do16_jump (char *); |
| 85 | static void s7_do_rdi16_pic (char *); |
| 86 | static void s7_do_addi_s_pic (char *); |
| 87 | static void s7_do_addi_u_pic (char *); |
| 88 | static void s7_do_lw_pic (char *); |
| 89 | |
| 90 | #define s7_GP 28 |
| 91 | #define s7_PIC_CALL_REG 29 |
| 92 | #define s7_MAX_LITERAL_POOL_SIZE 1024 |
| 93 | #define s7_FAIL 0x80000000 |
| 94 | #define s7_SUCCESS 0 |
| 95 | #define s7_INSN_SIZE 4 |
| 96 | #define s7_INSN16_SIZE 2 |
| 97 | #define s7_RELAX_INST_NUM 3 |
| 98 | |
| 99 | /* For score5u : div/mul will pop warning message, mmu/alw/asw will pop error message. */ |
| 100 | #define s7_BAD_ARGS _("bad arguments to instruction") |
| 101 | #define s7_ERR_FOR_SCORE5U_MUL_DIV _("div / mul are reserved instructions") |
| 102 | #define s7_ERR_FOR_SCORE5U_MMU _("This architecture doesn't support mmu") |
| 103 | #define s7_ERR_FOR_SCORE5U_ATOMIC _("This architecture doesn't support atomic instruction") |
| 104 | #define s7_BAD_SKIP_COMMA s7_BAD_ARGS |
| 105 | #define s7_BAD_GARBAGE _("garbage following instruction"); |
| 106 | |
| 107 | #define s7_skip_whitespace(str) while (*(str) == ' ') ++(str) |
| 108 | |
| 109 | /* The name of the readonly data section. */ |
| 110 | #define s7_RDATA_SECTION_NAME (OUTPUT_FLAVOR == bfd_target_aout_flavour \ |
| 111 | ? ".data" \ |
| 112 | : OUTPUT_FLAVOR == bfd_target_ecoff_flavour \ |
| 113 | ? ".rdata" \ |
| 114 | : OUTPUT_FLAVOR == bfd_target_coff_flavour \ |
| 115 | ? ".rdata" \ |
| 116 | : OUTPUT_FLAVOR == bfd_target_elf_flavour \ |
| 117 | ? ".rodata" \ |
| 118 | : (abort (), "")) |
| 119 | |
| 120 | #define s7_RELAX_ENCODE(old, new, type, reloc1, reloc2, opt) \ |
| 121 | ((relax_substateT) \ |
| 122 | (((old) << 23) \ |
| 123 | | ((new) << 16) \ |
| 124 | | ((type) << 9) \ |
| 125 | | ((reloc1) << 5) \ |
| 126 | | ((reloc2) << 1) \ |
| 127 | | ((opt) ? 1 : 0))) |
| 128 | |
| 129 | #define s7_RELAX_OLD(i) (((i) >> 23) & 0x7f) |
| 130 | #define s7_RELAX_NEW(i) (((i) >> 16) & 0x7f) |
| 131 | #define s7_RELAX_TYPE(i) (((i) >> 9) & 0x7f) |
| 132 | #define s7_RELAX_RELOC1(i) ((valueT) ((i) >> 5) & 0xf) |
| 133 | #define s7_RELAX_RELOC2(i) ((valueT) ((i) >> 1) & 0xf) |
| 134 | #define s7_RELAX_OPT(i) ((i) & 1) |
| 135 | #define s7_RELAX_OPT_CLEAR(i) ((i) & ~1) |
| 136 | |
| 137 | #define s7_SET_INSN_ERROR(s) (s7_inst.error = (s)) |
| 138 | #define s7_INSN_IS_PCE_P(s) (strstr (str, "||") != NULL) |
| 139 | |
| 140 | #define s7_GET_INSN_CLASS(type) (s7_get_insn_class_from_type (type)) |
| 141 | |
| 142 | #define s7_GET_INSN_SIZE(type) ((s7_GET_INSN_CLASS (type) == INSN_CLASS_16) \ |
| 143 | ? s7_INSN16_SIZE : s7_INSN_SIZE) |
| 144 | |
| 145 | #define s7_INSN_NAME_LEN 16 |
| 146 | |
| 147 | /* Relax will need some padding for alignment. */ |
| 148 | #define s7_RELAX_PAD_BYTE 3 |
| 149 | |
| 150 | #define s7_USE_GLOBAL_POINTER_OPT 1 |
| 151 | |
| 152 | \f |
| 153 | |
| 154 | /* Enumeration matching entries in table above. */ |
| 155 | enum s7_score_reg_type |
| 156 | { |
| 157 | s7_REG_TYPE_SCORE = 0, |
| 158 | #define REG_TYPE_FIRST s7_REG_TYPE_SCORE |
| 159 | s7_REG_TYPE_SCORE_SR = 1, |
| 160 | s7_REG_TYPE_SCORE_CR = 2, |
| 161 | s7_REG_TYPE_MAX = 3 |
| 162 | }; |
| 163 | |
| 164 | enum s7_score_pic_level |
| 165 | { |
| 166 | s7_NO_PIC, |
| 167 | s7_PIC |
| 168 | }; |
| 169 | static enum s7_score_pic_level s7_score_pic = s7_NO_PIC; |
| 170 | |
| 171 | enum s7_insn_type_for_dependency |
| 172 | { |
| 173 | s7_D_pce, |
| 174 | s7_D_cond_br, |
| 175 | s7_D_cond_mv, |
| 176 | s7_D_cached, |
| 177 | s7_D_cachei, |
| 178 | s7_D_ldst, |
| 179 | s7_D_ldcombine, |
| 180 | s7_D_mtcr, |
| 181 | s7_D_mfcr, |
| 182 | s7_D_mfsr, |
| 183 | s7_D_mftlb, |
| 184 | s7_D_mtptlb, |
| 185 | s7_D_mtrtlb, |
| 186 | s7_D_stlb, |
| 187 | s7_D_all_insn |
| 188 | }; |
| 189 | |
| 190 | struct s7_insn_to_dependency |
| 191 | { |
| 192 | const char *insn_name; |
| 193 | enum s7_insn_type_for_dependency type; |
| 194 | }; |
| 195 | |
| 196 | struct s7_data_dependency |
| 197 | { |
| 198 | enum s7_insn_type_for_dependency pre_insn_type; |
| 199 | char pre_reg[6]; |
| 200 | enum s7_insn_type_for_dependency cur_insn_type; |
| 201 | char cur_reg[6]; |
| 202 | int bubblenum_7; |
| 203 | int bubblenum_5; |
| 204 | int warn_or_error; /* warning - 0; error - 1 */ |
| 205 | }; |
| 206 | |
| 207 | static const struct s7_insn_to_dependency s7_insn_to_dependency_table[] = |
| 208 | { |
| 209 | /* pce instruction. */ |
| 210 | {"pce", s7_D_pce}, |
| 211 | /* conditional branch instruction. */ |
| 212 | {"bcs", s7_D_cond_br}, |
| 213 | {"bcc", s7_D_cond_br}, |
| 214 | {"bgtu", s7_D_cond_br}, |
| 215 | {"bleu", s7_D_cond_br}, |
| 216 | {"beq", s7_D_cond_br}, |
| 217 | {"bne", s7_D_cond_br}, |
| 218 | {"bgt", s7_D_cond_br}, |
| 219 | {"ble", s7_D_cond_br}, |
| 220 | {"bge", s7_D_cond_br}, |
| 221 | {"blt", s7_D_cond_br}, |
| 222 | {"bmi", s7_D_cond_br}, |
| 223 | {"bpl", s7_D_cond_br}, |
| 224 | {"bvs", s7_D_cond_br}, |
| 225 | {"bvc", s7_D_cond_br}, |
| 226 | {"bcsl", s7_D_cond_br}, |
| 227 | {"bccl", s7_D_cond_br}, |
| 228 | {"bgtul", s7_D_cond_br}, |
| 229 | {"bleul", s7_D_cond_br}, |
| 230 | {"beql", s7_D_cond_br}, |
| 231 | {"bnel", s7_D_cond_br}, |
| 232 | {"bgtl", s7_D_cond_br}, |
| 233 | {"blel", s7_D_cond_br}, |
| 234 | {"bgel", s7_D_cond_br}, |
| 235 | {"bltl", s7_D_cond_br}, |
| 236 | {"bmil", s7_D_cond_br}, |
| 237 | {"bpll", s7_D_cond_br}, |
| 238 | {"bvsl", s7_D_cond_br}, |
| 239 | {"bvcl", s7_D_cond_br}, |
| 240 | {"bcs!", s7_D_cond_br}, |
| 241 | {"bcc!", s7_D_cond_br}, |
| 242 | {"bgtu!", s7_D_cond_br}, |
| 243 | {"bleu!", s7_D_cond_br}, |
| 244 | {"beq!", s7_D_cond_br}, |
| 245 | {"bne!", s7_D_cond_br}, |
| 246 | {"bgt!", s7_D_cond_br}, |
| 247 | {"ble!", s7_D_cond_br}, |
| 248 | {"bge!", s7_D_cond_br}, |
| 249 | {"blt!", s7_D_cond_br}, |
| 250 | {"bmi!", s7_D_cond_br}, |
| 251 | {"bpl!", s7_D_cond_br}, |
| 252 | {"bvs!", s7_D_cond_br}, |
| 253 | {"bvc!", s7_D_cond_br}, |
| 254 | {"brcs", s7_D_cond_br}, |
| 255 | {"brcc", s7_D_cond_br}, |
| 256 | {"brgtu", s7_D_cond_br}, |
| 257 | {"brleu", s7_D_cond_br}, |
| 258 | {"breq", s7_D_cond_br}, |
| 259 | {"brne", s7_D_cond_br}, |
| 260 | {"brgt", s7_D_cond_br}, |
| 261 | {"brle", s7_D_cond_br}, |
| 262 | {"brge", s7_D_cond_br}, |
| 263 | {"brlt", s7_D_cond_br}, |
| 264 | {"brmi", s7_D_cond_br}, |
| 265 | {"brpl", s7_D_cond_br}, |
| 266 | {"brvs", s7_D_cond_br}, |
| 267 | {"brvc", s7_D_cond_br}, |
| 268 | {"brcsl", s7_D_cond_br}, |
| 269 | {"brccl", s7_D_cond_br}, |
| 270 | {"brgtul", s7_D_cond_br}, |
| 271 | {"brleul", s7_D_cond_br}, |
| 272 | {"breql", s7_D_cond_br}, |
| 273 | {"brnel", s7_D_cond_br}, |
| 274 | {"brgtl", s7_D_cond_br}, |
| 275 | {"brlel", s7_D_cond_br}, |
| 276 | {"brgel", s7_D_cond_br}, |
| 277 | {"brltl", s7_D_cond_br}, |
| 278 | {"brmil", s7_D_cond_br}, |
| 279 | {"brpll", s7_D_cond_br}, |
| 280 | {"brvsl", s7_D_cond_br}, |
| 281 | {"brvcl", s7_D_cond_br}, |
| 282 | {"brcs!", s7_D_cond_br}, |
| 283 | {"brcc!", s7_D_cond_br}, |
| 284 | {"brgtu!", s7_D_cond_br}, |
| 285 | {"brleu!", s7_D_cond_br}, |
| 286 | {"breq!", s7_D_cond_br}, |
| 287 | {"brne!", s7_D_cond_br}, |
| 288 | {"brgt!", s7_D_cond_br}, |
| 289 | {"brle!", s7_D_cond_br}, |
| 290 | {"brge!", s7_D_cond_br}, |
| 291 | {"brlt!", s7_D_cond_br}, |
| 292 | {"brmi!", s7_D_cond_br}, |
| 293 | {"brpl!", s7_D_cond_br}, |
| 294 | {"brvs!", s7_D_cond_br}, |
| 295 | {"brvc!", s7_D_cond_br}, |
| 296 | {"brcsl!", s7_D_cond_br}, |
| 297 | {"brccl!", s7_D_cond_br}, |
| 298 | {"brgtul!", s7_D_cond_br}, |
| 299 | {"brleul!", s7_D_cond_br}, |
| 300 | {"breql!", s7_D_cond_br}, |
| 301 | {"brnel!", s7_D_cond_br}, |
| 302 | {"brgtl!", s7_D_cond_br}, |
| 303 | {"brlel!", s7_D_cond_br}, |
| 304 | {"brgel!", s7_D_cond_br}, |
| 305 | {"brltl!", s7_D_cond_br}, |
| 306 | {"brmil!", s7_D_cond_br}, |
| 307 | {"brpll!", s7_D_cond_br}, |
| 308 | {"brvsl!", s7_D_cond_br}, |
| 309 | {"brvcl!", s7_D_cond_br}, |
| 310 | /* conditional move instruction. */ |
| 311 | {"mvcs", s7_D_cond_mv}, |
| 312 | {"mvcc", s7_D_cond_mv}, |
| 313 | {"mvgtu", s7_D_cond_mv}, |
| 314 | {"mvleu", s7_D_cond_mv}, |
| 315 | {"mveq", s7_D_cond_mv}, |
| 316 | {"mvne", s7_D_cond_mv}, |
| 317 | {"mvgt", s7_D_cond_mv}, |
| 318 | {"mvle", s7_D_cond_mv}, |
| 319 | {"mvge", s7_D_cond_mv}, |
| 320 | {"mvlt", s7_D_cond_mv}, |
| 321 | {"mvmi", s7_D_cond_mv}, |
| 322 | {"mvpl", s7_D_cond_mv}, |
| 323 | {"mvvs", s7_D_cond_mv}, |
| 324 | {"mvvc", s7_D_cond_mv}, |
| 325 | /* move special instruction. */ |
| 326 | {"mtcr", s7_D_mtcr}, |
| 327 | {"mftlb", s7_D_mftlb}, |
| 328 | {"mtptlb", s7_D_mtptlb}, |
| 329 | {"mtrtlb", s7_D_mtrtlb}, |
| 330 | {"stlb", s7_D_stlb}, |
| 331 | {"mfcr", s7_D_mfcr}, |
| 332 | {"mfsr", s7_D_mfsr}, |
| 333 | /* cache instruction. */ |
| 334 | {"cache 8", s7_D_cached}, |
| 335 | {"cache 9", s7_D_cached}, |
| 336 | {"cache 10", s7_D_cached}, |
| 337 | {"cache 11", s7_D_cached}, |
| 338 | {"cache 12", s7_D_cached}, |
| 339 | {"cache 13", s7_D_cached}, |
| 340 | {"cache 14", s7_D_cached}, |
| 341 | {"cache 24", s7_D_cached}, |
| 342 | {"cache 26", s7_D_cached}, |
| 343 | {"cache 27", s7_D_cached}, |
| 344 | {"cache 29", s7_D_cached}, |
| 345 | {"cache 30", s7_D_cached}, |
| 346 | {"cache 31", s7_D_cached}, |
| 347 | {"cache 0", s7_D_cachei}, |
| 348 | {"cache 1", s7_D_cachei}, |
| 349 | {"cache 2", s7_D_cachei}, |
| 350 | {"cache 3", s7_D_cachei}, |
| 351 | {"cache 4", s7_D_cachei}, |
| 352 | {"cache 16", s7_D_cachei}, |
| 353 | {"cache 17", s7_D_cachei}, |
| 354 | /* load/store instruction. */ |
| 355 | {"lb", s7_D_ldst}, |
| 356 | {"lbu", s7_D_ldst}, |
| 357 | {"lbu!", s7_D_ldst}, |
| 358 | {"lbup!", s7_D_ldst}, |
| 359 | {"lh", s7_D_ldst}, |
| 360 | {"lhu", s7_D_ldst}, |
| 361 | {"lh!", s7_D_ldst}, |
| 362 | {"lhp!", s7_D_ldst}, |
| 363 | {"lw", s7_D_ldst}, |
| 364 | {"lw!", s7_D_ldst}, |
| 365 | {"lwp!", s7_D_ldst}, |
| 366 | {"sb", s7_D_ldst}, |
| 367 | {"sb!", s7_D_ldst}, |
| 368 | {"sbp!", s7_D_ldst}, |
| 369 | {"sh", s7_D_ldst}, |
| 370 | {"sh!", s7_D_ldst}, |
| 371 | {"shp!", s7_D_ldst}, |
| 372 | {"sw", s7_D_ldst}, |
| 373 | {"sw!", s7_D_ldst}, |
| 374 | {"swp!", s7_D_ldst}, |
| 375 | {"alw", s7_D_ldst}, |
| 376 | {"asw", s7_D_ldst}, |
| 377 | {"push!", s7_D_ldst}, |
| 378 | {"pushhi!", s7_D_ldst}, |
| 379 | {"pop!", s7_D_ldst}, |
| 380 | {"pophi!", s7_D_ldst}, |
| 381 | {"ldc1", s7_D_ldst}, |
| 382 | {"ldc2", s7_D_ldst}, |
| 383 | {"ldc3", s7_D_ldst}, |
| 384 | {"stc1", s7_D_ldst}, |
| 385 | {"stc2", s7_D_ldst}, |
| 386 | {"stc3", s7_D_ldst}, |
| 387 | {"scb", s7_D_ldst}, |
| 388 | {"scw", s7_D_ldst}, |
| 389 | {"sce", s7_D_ldst}, |
| 390 | /* load combine instruction. */ |
| 391 | {"lcb", s7_D_ldcombine}, |
| 392 | {"lcw", s7_D_ldcombine}, |
| 393 | {"lce", s7_D_ldcombine}, |
| 394 | }; |
| 395 | |
| 396 | static const struct s7_data_dependency s7_data_dependency_table[] = |
| 397 | { |
| 398 | /* Condition register. */ |
| 399 | {s7_D_mtcr, "cr1", s7_D_pce, "", 2, 1, 0}, |
| 400 | {s7_D_mtcr, "cr1", s7_D_cond_br, "", 1, 0, 1}, |
| 401 | {s7_D_mtcr, "cr1", s7_D_cond_mv, "", 1, 0, 1}, |
| 402 | /* Status register. */ |
| 403 | {s7_D_mtcr, "cr0", s7_D_all_insn, "", 5, 4, 0}, |
| 404 | /* CCR register. */ |
| 405 | {s7_D_mtcr, "cr4", s7_D_all_insn, "", 6, 5, 0}, |
| 406 | /* EntryHi/EntryLo register. */ |
| 407 | {s7_D_mftlb, "", s7_D_mtptlb, "", 1, 1, 1}, |
| 408 | {s7_D_mftlb, "", s7_D_mtrtlb, "", 1, 1, 1}, |
| 409 | {s7_D_mftlb, "", s7_D_stlb, "", 1, 1,1}, |
| 410 | {s7_D_mftlb, "", s7_D_mfcr, "cr11", 1, 1, 1}, |
| 411 | {s7_D_mftlb, "", s7_D_mfcr, "cr12", 1, 1, 1}, |
| 412 | /* Index register. */ |
| 413 | {s7_D_stlb, "", s7_D_mtptlb, "", 1, 1, 1}, |
| 414 | {s7_D_stlb, "", s7_D_mftlb, "", 1, 1, 1}, |
| 415 | {s7_D_stlb, "", s7_D_mfcr, "cr8", 2, 2, 1}, |
| 416 | /* Cache. */ |
| 417 | {s7_D_cached, "", s7_D_ldst, "", 1, 1, 0}, |
| 418 | {s7_D_cached, "", s7_D_ldcombine, "", 1, 1, 0}, |
| 419 | {s7_D_cachei, "", s7_D_all_insn, "", 5, 4, 0}, |
| 420 | /* Load combine. */ |
| 421 | {s7_D_ldcombine, "", s7_D_mfsr, "sr1", 3, 3, 1}, |
| 422 | }; |
| 423 | |
| 424 | \f |
| 425 | |
| 426 | /* Used to contain constructed error messages. */ |
| 427 | static char s7_err_msg[255]; |
| 428 | static int s7_fix_data_dependency = 0; |
| 429 | static int s7_warn_fix_data_dependency = 1; |
| 430 | |
| 431 | static int s7_in_my_get_expression = 0; |
| 432 | |
| 433 | /* Default, pop warning message when using r1. */ |
| 434 | static int s7_nor1 = 1; |
| 435 | |
| 436 | /* Default will do instruction relax, -O0 will set s7_g_opt = 0. */ |
| 437 | static unsigned int s7_g_opt = 1; |
| 438 | |
| 439 | /* The size of the small data section. */ |
| 440 | static unsigned int s7_g_switch_value = 8; |
| 441 | |
| 442 | static segT s7_pdr_seg; |
| 443 | |
| 444 | struct s7_score_it |
| 445 | { |
| 446 | char name[s7_INSN_NAME_LEN]; |
| 447 | unsigned long instruction; |
| 448 | unsigned long relax_inst; |
| 449 | int size; |
| 450 | int relax_size; |
| 451 | enum score_insn_type type; |
| 452 | char str[s7_MAX_LITERAL_POOL_SIZE]; |
| 453 | const char *error; |
| 454 | int bwarn; |
| 455 | char reg[s7_INSN_NAME_LEN]; |
| 456 | struct |
| 457 | { |
| 458 | bfd_reloc_code_real_type type; |
| 459 | expressionS exp; |
| 460 | int pc_rel; |
| 461 | }reloc; |
| 462 | }; |
| 463 | static struct s7_score_it s7_inst; |
| 464 | |
| 465 | typedef struct proc |
| 466 | { |
| 467 | symbolS *isym; |
| 468 | unsigned long reg_mask; |
| 469 | unsigned long reg_offset; |
| 470 | unsigned long fpreg_mask; |
| 471 | unsigned long leaf; |
| 472 | unsigned long frame_offset; |
| 473 | unsigned long frame_reg; |
| 474 | unsigned long pc_reg; |
| 475 | } s7_procS; |
| 476 | static s7_procS s7_cur_proc; |
| 477 | static s7_procS *s7_cur_proc_ptr; |
| 478 | static int s7_numprocs; |
| 479 | |
| 480 | /* Structure for a hash table entry for a register. */ |
| 481 | struct s7_reg_entry |
| 482 | { |
| 483 | const char *name; |
| 484 | int number; |
| 485 | }; |
| 486 | |
| 487 | static const struct s7_reg_entry s7_score_rn_table[] = |
| 488 | { |
| 489 | {"r0", 0}, {"r1", 1}, {"r2", 2}, {"r3", 3}, |
| 490 | {"r4", 4}, {"r5", 5}, {"r6", 6}, {"r7", 7}, |
| 491 | {"r8", 8}, {"r9", 9}, {"r10", 10}, {"r11", 11}, |
| 492 | {"r12", 12}, {"r13", 13}, {"r14", 14}, {"r15", 15}, |
| 493 | {"r16", 16}, {"r17", 17}, {"r18", 18}, {"r19", 19}, |
| 494 | {"r20", 20}, {"r21", 21}, {"r22", 22}, {"r23", 23}, |
| 495 | {"r24", 24}, {"r25", 25}, {"r26", 26}, {"r27", 27}, |
| 496 | {"r28", 28}, {"r29", 29}, {"r30", 30}, {"r31", 31}, |
| 497 | {NULL, 0} |
| 498 | }; |
| 499 | |
| 500 | static const struct s7_reg_entry s7_score_srn_table[] = |
| 501 | { |
| 502 | {"sr0", 0}, {"sr1", 1}, {"sr2", 2}, |
| 503 | {NULL, 0} |
| 504 | }; |
| 505 | |
| 506 | static const struct s7_reg_entry s7_score_crn_table[] = |
| 507 | { |
| 508 | {"cr0", 0}, {"cr1", 1}, {"cr2", 2}, {"cr3", 3}, |
| 509 | {"cr4", 4}, {"cr5", 5}, {"cr6", 6}, {"cr7", 7}, |
| 510 | {"cr8", 8}, {"cr9", 9}, {"cr10", 10}, {"cr11", 11}, |
| 511 | {"cr12", 12}, {"cr13", 13}, {"cr14", 14}, {"cr15", 15}, |
| 512 | {"cr16", 16}, {"cr17", 17}, {"cr18", 18}, {"cr19", 19}, |
| 513 | {"cr20", 20}, {"cr21", 21}, {"cr22", 22}, {"cr23", 23}, |
| 514 | {"cr24", 24}, {"cr25", 25}, {"cr26", 26}, {"cr27", 27}, |
| 515 | {"cr28", 28}, {"cr29", 29}, {"cr30", 30}, {"cr31", 31}, |
| 516 | {NULL, 0} |
| 517 | }; |
| 518 | |
| 519 | struct s7_reg_map |
| 520 | { |
| 521 | const struct s7_reg_entry *names; |
| 522 | int max_regno; |
| 523 | htab_t htab; |
| 524 | const char *expected; |
| 525 | }; |
| 526 | |
| 527 | static struct s7_reg_map s7_all_reg_maps[] = |
| 528 | { |
| 529 | {s7_score_rn_table, 31, NULL, N_("S+core register expected")}, |
| 530 | {s7_score_srn_table, 2, NULL, N_("S+core special-register expected")}, |
| 531 | {s7_score_crn_table, 31, NULL, N_("S+core co-processor register expected")}, |
| 532 | }; |
| 533 | |
| 534 | static htab_t s7_score_ops_hsh = NULL; |
| 535 | static htab_t s7_dependency_insn_hsh = NULL; |
| 536 | |
| 537 | \f |
| 538 | struct s7_datafield_range |
| 539 | { |
| 540 | int data_type; |
| 541 | int bits; |
| 542 | int range[2]; |
| 543 | }; |
| 544 | |
| 545 | static struct s7_datafield_range s7_score_df_range[] = |
| 546 | { |
| 547 | {_IMM4, 4, {0, (1 << 4) - 1}}, /* ( 0 ~ 15 ) */ |
| 548 | {_IMM5, 5, {0, (1 << 5) - 1}}, /* ( 0 ~ 31 ) */ |
| 549 | {_IMM8, 8, {0, (1 << 8) - 1}}, /* ( 0 ~ 255 ) */ |
| 550 | {_IMM14, 14, {0, (1 << 14) - 1}}, /* ( 0 ~ 16383) */ |
| 551 | {_IMM15, 15, {0, (1 << 15) - 1}}, /* ( 0 ~ 32767) */ |
| 552 | {_IMM16, 16, {0, (1 << 16) - 1}}, /* ( 0 ~ 65535) */ |
| 553 | {_SIMM10, 10, {-(1 << 9), (1 << 9) - 1}}, /* ( -512 ~ 511 ) */ |
| 554 | {_SIMM12, 12, {-(1 << 11), (1 << 11) - 1}}, /* ( -2048 ~ 2047 ) */ |
| 555 | {_SIMM14, 14, {-(1 << 13), (1 << 13) - 1}}, /* ( -8192 ~ 8191 ) */ |
| 556 | {_SIMM15, 15, {-(1 << 14), (1 << 14) - 1}}, /* (-16384 ~ 16383) */ |
| 557 | {_SIMM16, 16, {-(1 << 15), (1 << 15) - 1}}, /* (-32768 ~ 32767) */ |
| 558 | {_SIMM14_NEG, 14, {-(1 << 13), (1 << 13) - 1}}, /* ( -8191 ~ 8192 ) */ |
| 559 | {_IMM16_NEG, 16, {0, (1 << 16) - 1}}, /* (-65535 ~ 0 ) */ |
| 560 | {_SIMM16_NEG, 16, {-(1 << 15), (1 << 15) - 1}}, /* (-32768 ~ 32767) */ |
| 561 | {_IMM20, 20, {0, (1 << 20) - 1}}, |
| 562 | {_IMM25, 25, {0, (1 << 25) - 1}}, |
| 563 | {_DISP8div2, 8, {-(1 << 8), (1 << 8) - 1}}, /* ( -256 ~ 255 ) */ |
| 564 | {_DISP11div2, 11, {0, 0}}, |
| 565 | {_DISP19div2, 19, {-(1 << 19), (1 << 19) - 1}}, /* (-524288 ~ 524287) */ |
| 566 | {_DISP24div2, 24, {0, 0}}, |
| 567 | {_VALUE, 32, {0, ((unsigned int)1 << 31) - 1}}, |
| 568 | {_VALUE_HI16, 16, {0, (1 << 16) - 1}}, |
| 569 | {_VALUE_LO16, 16, {0, (1 << 16) - 1}}, |
| 570 | {_VALUE_LDST_LO16, 16, {0, (1 << 16) - 1}}, |
| 571 | {_SIMM16_LA, 16, {-(1 << 15), (1 << 15) - 1}}, /* (-32768 ~ 32767) */ |
| 572 | {_IMM5_RSHIFT_1, 5, {0, (1 << 6) - 1}}, /* ( 0 ~ 63 ) */ |
| 573 | {_IMM5_RSHIFT_2, 5, {0, (1 << 7) - 1}}, /* ( 0 ~ 127 ) */ |
| 574 | {_SIMM16_LA_POS, 16, {0, (1 << 15) - 1}}, /* ( 0 ~ 32767) */ |
| 575 | {_IMM5_RANGE_8_31, 5, {8, 31}}, /* But for cop0 the valid data : (8 ~ 31). */ |
| 576 | {_IMM10_RSHIFT_2, 10, {-(1 << 11), (1 << 11) - 1}}, /* For ldc#, stc#. */ |
| 577 | {_SIMM10, 10, {0, (1 << 10) - 1}}, /* ( -1024 ~ 1023 ) */ |
| 578 | {_SIMM12, 12, {0, (1 << 12) - 1}}, /* ( -2048 ~ 2047 ) */ |
| 579 | {_SIMM14, 14, {0, (1 << 14) - 1}}, /* ( -8192 ~ 8191 ) */ |
| 580 | {_SIMM15, 15, {0, (1 << 15) - 1}}, /* (-16384 ~ 16383) */ |
| 581 | {_SIMM16, 16, {0, (1 << 16) - 1}}, /* (-65536 ~ 65536) */ |
| 582 | {_SIMM14_NEG, 14, {0, (1 << 16) - 1}}, /* ( -8191 ~ 8192 ) */ |
| 583 | {_IMM16_NEG, 16, {0, (1 << 16) - 1}}, /* ( 65535 ~ 0 ) */ |
| 584 | {_SIMM16_NEG, 16, {0, (1 << 16) - 1}}, /* ( 65535 ~ 0 ) */ |
| 585 | {_IMM20, 20, {0, (1 << 20) - 1}}, /* (-32768 ~ 32767) */ |
| 586 | {_IMM25, 25, {0, (1 << 25) - 1}}, /* (-32768 ~ 32767) */ |
| 587 | {_GP_IMM15, 15, {0, (1 << 15) - 1}}, /* ( 0 ~ 65535) */ |
| 588 | {_GP_IMM14, 14, {0, (1 << 14) - 1}}, /* ( 0 ~ 65535) */ |
| 589 | {_SIMM16_pic, 16, {-(1 << 15), (1 << 15) - 1}}, /* (-32768 ~ 32767) */ |
| 590 | {_IMM16_LO16_pic, 16, {0, (1 << 16) - 1}}, /* ( 65535 ~ 0 ) */ |
| 591 | {_IMM16_pic, 16, {0, (1 << 16) - 1}}, /* ( 0 ~ 65535) */ |
| 592 | }; |
| 593 | |
| 594 | \f |
| 595 | struct s7_asm_opcode |
| 596 | { |
| 597 | /* Instruction name. */ |
| 598 | const char *template_name; |
| 599 | |
| 600 | /* Instruction Opcode. */ |
| 601 | bfd_vma value; |
| 602 | |
| 603 | /* Instruction bit mask. */ |
| 604 | bfd_vma bitmask; |
| 605 | |
| 606 | /* Relax instruction opcode. 0x8000 imply no relaxation. */ |
| 607 | bfd_vma relax_value; |
| 608 | |
| 609 | /* Instruction type. */ |
| 610 | enum score_insn_type type; |
| 611 | |
| 612 | /* Function to call to parse args. */ |
| 613 | void (*parms) (char *); |
| 614 | }; |
| 615 | |
| 616 | static const struct s7_asm_opcode s7_score_ldst_insns[] = |
| 617 | { |
| 618 | {"lw", 0x20000000, 0x3e000000, 0x2008, Rd_rvalueRs_SI15, s7_do_ldst_insn}, |
| 619 | {"lw", 0x06000000, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, s7_do_ldst_insn}, |
| 620 | {"lw", 0x0e000000, 0x3e000007, 0x200a, Rd_rvalueRs_postSI12, s7_do_ldst_insn}, |
| 621 | {"lh", 0x22000000, 0x3e000000, 0x2009, Rd_rvalueRs_SI15, s7_do_ldst_insn}, |
| 622 | {"lh", 0x06000001, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, s7_do_ldst_insn}, |
| 623 | {"lh", 0x0e000001, 0x3e000007, 0x8000, Rd_rvalueRs_postSI12, s7_do_ldst_insn}, |
| 624 | {"lhu", 0x24000000, 0x3e000000, 0x8000, Rd_rvalueRs_SI15, s7_do_ldst_insn}, |
| 625 | {"lhu", 0x06000002, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, s7_do_ldst_insn}, |
| 626 | {"lhu", 0x0e000002, 0x3e000007, 0x8000, Rd_rvalueRs_postSI12, s7_do_ldst_insn}, |
| 627 | {"lb", 0x26000000, 0x3e000000, 0x8000, Rd_rvalueRs_SI15, s7_do_ldst_insn}, |
| 628 | {"lb", 0x06000003, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, s7_do_ldst_insn}, |
| 629 | {"lb", 0x0e000003, 0x3e000007, 0x8000, Rd_rvalueRs_postSI12, s7_do_ldst_insn}, |
| 630 | {"sw", 0x28000000, 0x3e000000, 0x200c, Rd_lvalueRs_SI15, s7_do_ldst_insn}, |
| 631 | {"sw", 0x06000004, 0x3e000007, 0x200e, Rd_lvalueRs_preSI12, s7_do_ldst_insn}, |
| 632 | {"sw", 0x0e000004, 0x3e000007, 0x8000, Rd_lvalueRs_postSI12, s7_do_ldst_insn}, |
| 633 | {"sh", 0x2a000000, 0x3e000000, 0x200d, Rd_lvalueRs_SI15, s7_do_ldst_insn}, |
| 634 | {"sh", 0x06000005, 0x3e000007, 0x8000, Rd_lvalueRs_preSI12, s7_do_ldst_insn}, |
| 635 | {"sh", 0x0e000005, 0x3e000007, 0x8000, Rd_lvalueRs_postSI12, s7_do_ldst_insn}, |
| 636 | {"lbu", 0x2c000000, 0x3e000000, 0x200b, Rd_rvalueRs_SI15, s7_do_ldst_insn}, |
| 637 | {"lbu", 0x06000006, 0x3e000007, 0x8000, Rd_rvalueRs_preSI12, s7_do_ldst_insn}, |
| 638 | {"lbu", 0x0e000006, 0x3e000007, 0x8000, Rd_rvalueRs_postSI12, s7_do_ldst_insn}, |
| 639 | {"sb", 0x2e000000, 0x3e000000, 0x200f, Rd_lvalueRs_SI15, s7_do_ldst_insn}, |
| 640 | {"sb", 0x06000007, 0x3e000007, 0x8000, Rd_lvalueRs_preSI12, s7_do_ldst_insn}, |
| 641 | {"sb", 0x0e000007, 0x3e000007, 0x8000, Rd_lvalueRs_postSI12, s7_do_ldst_insn}, |
| 642 | }; |
| 643 | |
| 644 | static const struct s7_asm_opcode s7_score_insns[] = |
| 645 | { |
| 646 | {"abs", 0x3800000a, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, |
| 647 | {"abs.s", 0x3800004b, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, |
| 648 | {"add", 0x00000010, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 649 | {"add.c", 0x00000011, 0x3e0003ff, 0x2000, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 650 | {"add.s", 0x38000048, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 651 | {"addc", 0x00000012, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 652 | {"addc.c", 0x00000013, 0x3e0003ff, 0x0009, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 653 | {"addi", 0x02000000, 0x3e0e0001, 0x8000, Rd_SI16, s7_do_rdsi16}, |
| 654 | {"addi.c", 0x02000001, 0x3e0e0001, 0x8000, Rd_SI16, s7_do_rdsi16}, |
| 655 | {"addis", 0x0a000000, 0x3e0e0001, 0x8000, Rd_SI16, s7_do_rdi16}, |
| 656 | {"addis.c", 0x0a000001, 0x3e0e0001, 0x8000, Rd_SI16, s7_do_rdi16}, |
| 657 | {"addri", 0x10000000, 0x3e000001, 0x8000, Rd_Rs_SI14, s7_do_rdrssi14}, |
| 658 | {"addri.c", 0x10000001, 0x3e000001, 0x8000, Rd_Rs_SI14, s7_do_rdrssi14}, |
| 659 | {"addc!", 0x0009, 0x700f, 0x00000013, Rd_Rs, s7_do16_rdrs}, |
| 660 | {"add!", 0x2000, 0x700f, 0x00000011, Rd_Rs, s7_do16_rdrs}, |
| 661 | {"addei!", 0x6000 , 0x7087, 0x02000001, Rd_I4, s7_do16_rdi4}, |
| 662 | {"subi", 0x02000000, 0x3e0e0001, 0x8000, Rd_SI16, s7_do_sub_rdsi16}, |
| 663 | {"subi.c", 0x02000001, 0x3e0e0001, 0x8000, Rd_SI16, s7_do_sub_rdsi16}, |
| 664 | {"subri", 0x10000000, 0x3e000001, 0x8000, Rd_Rs_SI14, s7_do_sub_rdrssi14}, |
| 665 | {"subri.c", 0x10000001, 0x3e000001, 0x8000, Rd_Rs_SI14, s7_do_sub_rdrssi14}, |
| 666 | {"and", 0x00000020, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 667 | {"and.c", 0x00000021, 0x3e0003ff, 0x2004, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 668 | {"andi", 0x02080000, 0x3e0e0001, 0x8000, Rd_I16, s7_do_rdi16}, |
| 669 | {"andi.c", 0x02080001, 0x3e0e0001, 0x8000, Rd_I16, s7_do_rdi16}, |
| 670 | {"andis", 0x0a080000, 0x3e0e0001, 0x8000, Rd_I16, s7_do_rdi16}, |
| 671 | {"andis.c", 0x0a080001, 0x3e0e0001, 0x8000, Rd_I16, s7_do_rdi16}, |
| 672 | {"andri", 0x18000000, 0x3e000001, 0x8000, Rd_Rs_I14, s7_do_rdrsi14}, |
| 673 | {"andri.c", 0x18000001, 0x3e000001, 0x8000, Rd_Rs_I14, s7_do_rdrsi14}, |
| 674 | {"and!", 0x2004, 0x700f, 0x00000021, Rd_Rs, s7_do16_rdrs}, |
| 675 | {"bcs", 0x08000000, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, |
| 676 | {"bcc", 0x08000400, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, |
| 677 | {"bcnz", 0x08003800, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, |
| 678 | {"bcsl", 0x08000001, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, |
| 679 | {"bccl", 0x08000401, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, |
| 680 | {"bcnzl", 0x08003801, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, |
| 681 | {"bcs!", 0x4000, 0x7f00, 0x08000000, PC_DISP8div2, s7_do16_branch}, |
| 682 | {"bcc!", 0x4100, 0x7f00, 0x08000400, PC_DISP8div2, s7_do16_branch}, |
| 683 | {"bcnz!", 0x4e00, 0x7f00, 0x08003800, PC_DISP8div2, s7_do16_branch}, |
| 684 | {"beq", 0x08001000, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, |
| 685 | {"beql", 0x08001001, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, |
| 686 | {"beq!", 0x4400, 0x7f00, 0x08001000, PC_DISP8div2, s7_do16_branch}, |
| 687 | {"bgtu", 0x08000800, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, |
| 688 | {"bgt", 0x08001800, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, |
| 689 | {"bge", 0x08002000, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, |
| 690 | {"bgtul", 0x08000801, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, |
| 691 | {"bgtl", 0x08001801, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, |
| 692 | {"bgel", 0x08002001, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, |
| 693 | {"bgtu!", 0x4200, 0x7f00, 0x08000800, PC_DISP8div2, s7_do16_branch}, |
| 694 | {"bgt!", 0x4600, 0x7f00, 0x08001800, PC_DISP8div2, s7_do16_branch}, |
| 695 | {"bge!", 0x4800, 0x7f00, 0x08002000, PC_DISP8div2, s7_do16_branch}, |
| 696 | {"bitclr.c", 0x00000029, 0x3e0003ff, 0x6004, Rd_Rs_I5, s7_do_rdrsi5}, |
| 697 | {"bitrev", 0x3800000c, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 698 | {"bitset.c", 0x0000002b, 0x3e0003ff, 0x6005, Rd_Rs_I5, s7_do_rdrsi5}, |
| 699 | {"bittst.c", 0x0000002d, 0x3e0003ff, 0x6006, x_Rs_I5, s7_do_xrsi5}, |
| 700 | {"bittgl.c", 0x0000002f, 0x3e0003ff, 0x6007, Rd_Rs_I5, s7_do_rdrsi5}, |
| 701 | {"bitclr!", 0x6004, 0x7007, 0x00000029, Rd_I5, s7_do16_rdi5}, |
| 702 | {"bitset!", 0x6005, 0x7007, 0x0000002b, Rd_I5, s7_do16_rdi5}, |
| 703 | {"bittst!", 0x6006, 0x7007, 0x0000002d, Rd_I5, s7_do16_rdi5}, |
| 704 | {"bittgl!", 0x6007, 0x7007, 0x0000002f, Rd_I5, s7_do16_rdi5}, |
| 705 | {"bleu", 0x08000c00, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, |
| 706 | {"ble", 0x08001c00, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, |
| 707 | {"blt", 0x08002400, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, |
| 708 | {"bleul", 0x08000c01, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, |
| 709 | {"blel", 0x08001c01, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, |
| 710 | {"bltl", 0x08002401, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, |
| 711 | {"bl", 0x08003c01, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, |
| 712 | {"bleu!", 0x4300, 0x7f00, 0x08000c00, PC_DISP8div2, s7_do16_branch}, |
| 713 | {"ble!", 0x4700, 0x7f00, 0x08001c00, PC_DISP8div2, s7_do16_branch}, |
| 714 | {"blt!", 0x4900, 0x7f00, 0x08002400, PC_DISP8div2, s7_do16_branch}, |
| 715 | {"bmi", 0x08002800, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, |
| 716 | {"bmil", 0x08002801, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, |
| 717 | {"bmi!", 0x00004a00, 0x00007f00, 0x08002800, PC_DISP8div2, s7_do16_branch}, |
| 718 | {"bne", 0x08001400, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, |
| 719 | {"bnel", 0x08001401, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, |
| 720 | {"bne!", 0x4500, 0x7f00, 0x08001400, PC_DISP8div2, s7_do16_branch}, |
| 721 | {"bpl", 0x08002c00, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, |
| 722 | {"bpll", 0x08002c01, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, |
| 723 | {"bpl!", 0x4b00, 0x7f00, 0x08002c00, PC_DISP8div2, s7_do16_branch}, |
| 724 | {"brcs", 0x00000008, 0x3e007fff, 0x0004, x_Rs_x, s7_do_rs}, |
| 725 | {"brcc", 0x00000408, 0x3e007fff, 0x0104, x_Rs_x, s7_do_rs}, |
| 726 | {"brgtu", 0x00000808, 0x3e007fff, 0x0204, x_Rs_x, s7_do_rs}, |
| 727 | {"brleu", 0x00000c08, 0x3e007fff, 0x0304, x_Rs_x, s7_do_rs}, |
| 728 | {"breq", 0x00001008, 0x3e007fff, 0x0404, x_Rs_x, s7_do_rs}, |
| 729 | {"brne", 0x00001408, 0x3e007fff, 0x0504, x_Rs_x, s7_do_rs}, |
| 730 | {"brgt", 0x00001808, 0x3e007fff, 0x0604, x_Rs_x, s7_do_rs}, |
| 731 | {"brle", 0x00001c08, 0x3e007fff, 0x0704, x_Rs_x, s7_do_rs}, |
| 732 | {"brge", 0x00002008, 0x3e007fff, 0x0804, x_Rs_x, s7_do_rs}, |
| 733 | {"brlt", 0x00002408, 0x3e007fff, 0x0904, x_Rs_x, s7_do_rs}, |
| 734 | {"brmi", 0x00002808, 0x3e007fff, 0x0a04, x_Rs_x, s7_do_rs}, |
| 735 | {"brpl", 0x00002c08, 0x3e007fff, 0x0b04, x_Rs_x, s7_do_rs}, |
| 736 | {"brvs", 0x00003008, 0x3e007fff, 0x0c04, x_Rs_x, s7_do_rs}, |
| 737 | {"brvc", 0x00003408, 0x3e007fff, 0x0d04, x_Rs_x, s7_do_rs}, |
| 738 | {"brcnz", 0x00003808, 0x3e007fff, 0x0e04, x_Rs_x, s7_do_rs}, |
| 739 | {"br", 0x00003c08, 0x3e007fff, 0x0f04, x_Rs_x, s7_do_rs}, |
| 740 | {"brcsl", 0x00000009, 0x3e007fff, 0x000c, x_Rs_x, s7_do_rs}, |
| 741 | {"brccl", 0x00000409, 0x3e007fff, 0x010c, x_Rs_x, s7_do_rs}, |
| 742 | {"brgtul", 0x00000809, 0x3e007fff, 0x020c, x_Rs_x, s7_do_rs}, |
| 743 | {"brleul", 0x00000c09, 0x3e007fff, 0x030c, x_Rs_x, s7_do_rs}, |
| 744 | {"breql", 0x00001009, 0x3e007fff, 0x040c, x_Rs_x, s7_do_rs}, |
| 745 | {"brnel", 0x00001409, 0x3e007fff, 0x050c, x_Rs_x, s7_do_rs}, |
| 746 | {"brgtl", 0x00001809, 0x3e007fff, 0x060c, x_Rs_x, s7_do_rs}, |
| 747 | {"brlel", 0x00001c09, 0x3e007fff, 0x070c, x_Rs_x, s7_do_rs}, |
| 748 | {"brgel", 0x00002009, 0x3e007fff, 0x080c, x_Rs_x, s7_do_rs}, |
| 749 | {"brltl", 0x00002409, 0x3e007fff, 0x090c, x_Rs_x, s7_do_rs}, |
| 750 | {"brmil", 0x00002809, 0x3e007fff, 0x0a0c, x_Rs_x, s7_do_rs}, |
| 751 | {"brpll", 0x00002c09, 0x3e007fff, 0x0b0c, x_Rs_x, s7_do_rs}, |
| 752 | {"brvsl", 0x00003009, 0x3e007fff, 0x0c0c, x_Rs_x, s7_do_rs}, |
| 753 | {"brvcl", 0x00003409, 0x3e007fff, 0x0d0c, x_Rs_x, s7_do_rs}, |
| 754 | {"brcnzl", 0x00003809, 0x3e007fff, 0x0e0c, x_Rs_x, s7_do_rs}, |
| 755 | {"brl", 0x00003c09, 0x3e007fff, 0x0f0c, x_Rs_x, s7_do_rs}, |
| 756 | {"brcs!", 0x0004, 0x7f0f, 0x00000008, x_Rs, s7_do16_xrs}, |
| 757 | {"brcc!", 0x0104, 0x7f0f, 0x00000408, x_Rs, s7_do16_xrs}, |
| 758 | {"brgtu!", 0x0204, 0x7f0f, 0x00000808, x_Rs, s7_do16_xrs}, |
| 759 | {"brleu!", 0x0304, 0x7f0f, 0x00000c08, x_Rs, s7_do16_xrs}, |
| 760 | {"breq!", 0x0404, 0x7f0f, 0x00001008, x_Rs, s7_do16_xrs}, |
| 761 | {"brne!", 0x0504, 0x7f0f, 0x00001408, x_Rs, s7_do16_xrs}, |
| 762 | {"brgt!", 0x0604, 0x7f0f, 0x00001808, x_Rs, s7_do16_xrs}, |
| 763 | {"brle!", 0x0704, 0x7f0f, 0x00001c08, x_Rs, s7_do16_xrs}, |
| 764 | {"brge!", 0x0804, 0x7f0f, 0x00002008, x_Rs, s7_do16_xrs}, |
| 765 | {"brlt!", 0x0904, 0x7f0f, 0x00002408, x_Rs, s7_do16_xrs}, |
| 766 | {"brmi!", 0x0a04, 0x7f0f, 0x00002808, x_Rs, s7_do16_xrs}, |
| 767 | {"brpl!", 0x0b04, 0x7f0f, 0x00002c08, x_Rs, s7_do16_xrs}, |
| 768 | {"brvs!", 0x0c04, 0x7f0f, 0x00003008, x_Rs, s7_do16_xrs}, |
| 769 | {"brvc!", 0x0d04, 0x7f0f, 0x00003408, x_Rs, s7_do16_xrs}, |
| 770 | {"brcnz!", 0x0e04, 0x7f0f, 0x00003808, x_Rs, s7_do16_xrs}, |
| 771 | {"br!", 0x0f04, 0x7f0f, 0x00003c08, x_Rs, s7_do16_xrs}, |
| 772 | {"brcsl!", 0x000c, 0x7f0f, 0x00000009, x_Rs, s7_do16_xrs}, |
| 773 | {"brccl!", 0x010c, 0x7f0f, 0x00000409, x_Rs, s7_do16_xrs}, |
| 774 | {"brgtul!", 0x020c, 0x7f0f, 0x00000809, x_Rs, s7_do16_xrs}, |
| 775 | {"brleul!", 0x030c, 0x7f0f, 0x00000c09, x_Rs, s7_do16_xrs}, |
| 776 | {"breql!", 0x040c, 0x7f0f, 0x00001009, x_Rs, s7_do16_xrs}, |
| 777 | {"brnel!", 0x050c, 0x7f0f, 0x00001409, x_Rs, s7_do16_xrs}, |
| 778 | {"brgtl!", 0x060c, 0x7f0f, 0x00001809, x_Rs, s7_do16_xrs}, |
| 779 | {"brlel!", 0x070c, 0x7f0f, 0x00001c09, x_Rs, s7_do16_xrs}, |
| 780 | {"brgel!", 0x080c, 0x7f0f, 0x00002009, x_Rs, s7_do16_xrs}, |
| 781 | {"brltl!", 0x090c, 0x7f0f, 0x00002409, x_Rs, s7_do16_xrs}, |
| 782 | {"brmil!", 0x0a0c, 0x7f0f, 0x00002809, x_Rs, s7_do16_xrs}, |
| 783 | {"brpll!", 0x0b0c, 0x7f0f, 0x00002c09, x_Rs, s7_do16_xrs}, |
| 784 | {"brvsl!", 0x0c0c, 0x7f0f, 0x00003009, x_Rs, s7_do16_xrs}, |
| 785 | {"brvcl!", 0x0d0c, 0x7f0f, 0x00003409, x_Rs, s7_do16_xrs}, |
| 786 | {"brcnzl!", 0x0e0c, 0x7f0f, 0x00003809, x_Rs, s7_do16_xrs}, |
| 787 | {"brl!", 0x0f0c, 0x7f0f, 0x00003c09, x_Rs, s7_do16_xrs}, |
| 788 | {"bvs", 0x08003000, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, |
| 789 | {"bvc", 0x08003400, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, |
| 790 | {"bvsl", 0x08003001, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, |
| 791 | {"bvcl", 0x08003401, 0x3e007c01, 0x8000, PC_DISP19div2, s7_do_branch}, |
| 792 | {"bvs!", 0x4c00, 0x7f00, 0x08003000, PC_DISP8div2, s7_do16_branch}, |
| 793 | {"bvc!", 0x4d00, 0x7f00, 0x08003400, PC_DISP8div2, s7_do16_branch}, |
| 794 | {"b!", 0x4f00, 0x7f00, 0x08003c00, PC_DISP8div2, s7_do16_branch}, |
| 795 | {"b", 0x08003c00, 0x3e007c01, 0x4000, PC_DISP19div2, s7_do_branch}, |
| 796 | {"cache", 0x30000000, 0x3ff00000, 0x8000, OP5_rvalueRs_SI15, s7_do_cache}, |
| 797 | {"ceinst", 0x38000000, 0x3e000000, 0x8000, I5_Rs_Rs_I5_OP5, s7_do_ceinst}, |
| 798 | {"clz", 0x3800000d, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, |
| 799 | {"cmpteq.c", 0x00000019, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, |
| 800 | {"cmptmi.c", 0x00100019, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, |
| 801 | {"cmp.c", 0x00300019, 0x3ff003ff, 0x2003, x_Rs_Rs, s7_do_rsrs}, |
| 802 | {"cmpzteq.c", 0x0000001b, 0x3ff07fff, 0x8000, x_Rs_x, s7_do_rs}, |
| 803 | {"cmpztmi.c", 0x0010001b, 0x3ff07fff, 0x8000, x_Rs_x, s7_do_rs}, |
| 804 | {"cmpz.c", 0x0030001b, 0x3ff07fff, 0x8000, x_Rs_x, s7_do_rs}, |
| 805 | {"cmpi.c", 0x02040001, 0x3e0e0001, 0x8000, Rd_SI16, s7_do_rdsi16}, |
| 806 | {"cmp!", 0x2003, 0x700f, 0x00300019, Rd_Rs, s7_do16_rdrs}, |
| 807 | {"cop1", 0x0c00000c, 0x3e00001f, 0x8000, Rd_Rs_Rs_imm, s7_do_crdcrscrsimm5}, |
| 808 | {"cop2", 0x0c000014, 0x3e00001f, 0x8000, Rd_Rs_Rs_imm, s7_do_crdcrscrsimm5}, |
| 809 | {"cop3", 0x0c00001c, 0x3e00001f, 0x8000, Rd_Rs_Rs_imm, s7_do_crdcrscrsimm5}, |
| 810 | {"drte", 0x0c0000a4, 0x3e0003ff, 0x8000, NO_OPD, s7_do_empty}, |
| 811 | {"extsb", 0x00000058, 0x3e0003ff, 0x8000, Rd_Rs_x, s7_do_rdrs}, |
| 812 | {"extsb.c", 0x00000059, 0x3e0003ff, 0x8000, Rd_Rs_x, s7_do_rdrs}, |
| 813 | {"extsh", 0x0000005a, 0x3e0003ff, 0x8000, Rd_Rs_x, s7_do_rdrs}, |
| 814 | {"extsh.c", 0x0000005b, 0x3e0003ff, 0x8000, Rd_Rs_x, s7_do_rdrs}, |
| 815 | {"extzb", 0x0000005c, 0x3e0003ff, 0x8000, Rd_Rs_x, s7_do_rdrs}, |
| 816 | {"extzb.c", 0x0000005d, 0x3e0003ff, 0x8000, Rd_Rs_x, s7_do_rdrs}, |
| 817 | {"extzh", 0x0000005e, 0x3e0003ff, 0x8000, Rd_Rs_x, s7_do_rdrs}, |
| 818 | {"extzh.c", 0x0000005f, 0x3e0003ff, 0x8000, Rd_Rs_x, s7_do_rdrs}, |
| 819 | {"jl", 0x04000001, 0x3e000001, 0x8000, PC_DISP24div2, s7_do_jump}, |
| 820 | {"jl!", 0x3001, 0x7001, 0x04000001, PC_DISP11div2, s7_do16_jump}, |
| 821 | {"j!", 0x3000, 0x7001, 0x04000000, PC_DISP11div2, s7_do16_jump}, |
| 822 | {"j", 0x04000000, 0x3e000001, 0x8000, PC_DISP24div2, s7_do_jump}, |
| 823 | {"lbu!", 0x200b, 0x0000700f, 0x2c000000, Rd_rvalueRs, s7_do16_ldst_insn}, |
| 824 | {"lbup!", 0x7003, 0x7007, 0x2c000000, Rd_rvalueBP_I5, s7_do16_ldst_imm_insn}, |
| 825 | {"alw", 0x0000000c, 0x3e0003ff, 0x8000, Rd_rvalue32Rs, s7_do_ldst_atomic}, |
| 826 | {"lcb", 0x00000060, 0x3e0003ff, 0x8000, x_rvalueRs_post4, s7_do_ldst_unalign}, |
| 827 | {"lcw", 0x00000062, 0x3e0003ff, 0x8000, Rd_rvalueRs_post4, s7_do_ldst_unalign}, |
| 828 | {"lce", 0x00000066, 0x3e0003ff, 0x8000, Rd_rvalueRs_post4, s7_do_ldst_unalign}, |
| 829 | {"ldc1", 0x0c00000a, 0x3e00001f, 0x8000, Rd_rvalueRs_SI10, s7_do_ldst_cop}, |
| 830 | {"ldc2", 0x0c000012, 0x3e00001f, 0x8000, Rd_rvalueRs_SI10, s7_do_ldst_cop}, |
| 831 | {"ldc3", 0x0c00001a, 0x3e00001f, 0x8000, Rd_rvalueRs_SI10, s7_do_ldst_cop}, |
| 832 | {"lh!", 0x2009, 0x700f, 0x22000000, Rd_rvalueRs, s7_do16_ldst_insn}, |
| 833 | {"lhp!", 0x7001, 0x7007, 0x22000000, Rd_rvalueBP_I5, s7_do16_ldst_imm_insn}, |
| 834 | {"ldi", 0x020c0000, 0x3e0e0000, 0x5000, Rd_SI16, s7_do_rdsi16}, |
| 835 | {"ldis", 0x0a0c0000, 0x3e0e0000, 0x8000, Rd_I16, s7_do_rdi16}, |
| 836 | {"ldiu!", 0x5000, 0x7000, 0x020c0000, Rd_I8, s7_do16_ldst_imm_insn}, |
| 837 | {"lw!", 0x2008, 0x700f, 0x20000000, Rd_rvalueRs, s7_do16_ldst_insn}, |
| 838 | {"lwp!", 0x7000, 0x7007, 0x20000000, Rd_rvalueBP_I5, s7_do16_ldst_imm_insn}, |
| 839 | {"mfcel", 0x00000448, 0x3e007fff, 0x8000, Rd_x_x, s7_do_rd}, |
| 840 | {"mfcel!", 0x1001, 0x7f0f, 0x00000448, x_Rs, s7_do16_rs}, |
| 841 | {"mad", 0x38000000, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, |
| 842 | {"mad.f!", 0x1004, 0x700f, 0x38000080, Rd_Rs, s7_do16_rdrs}, |
| 843 | {"madh", 0x38000203, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, |
| 844 | {"madh.fs", 0x380002c3, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, |
| 845 | {"madh.fs!", 0x100b, 0x700f, 0x380002c3, Rd_Rs, s7_do16_rdrs}, |
| 846 | {"madl", 0x38000002, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, |
| 847 | {"madl.fs", 0x380000c2, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, |
| 848 | {"madl.fs!", 0x100a, 0x700f, 0x380000c2, Rd_Rs, s7_do16_rdrs}, |
| 849 | {"madu", 0x38000020, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, |
| 850 | {"madu!", 0x1005, 0x700f, 0x38000020, Rd_Rs, s7_do16_rdrs}, |
| 851 | {"mad.f", 0x38000080, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, |
| 852 | {"max", 0x38000007, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 853 | {"mazh", 0x38000303, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, |
| 854 | {"mazh.f", 0x38000383, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, |
| 855 | {"mazh.f!", 0x1009, 0x700f, 0x38000383, Rd_Rs, s7_do16_rdrs}, |
| 856 | {"mazl", 0x38000102, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, |
| 857 | {"mazl.f", 0x38000182, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, |
| 858 | {"mazl.f!", 0x1008, 0x700f, 0x38000182, Rd_Rs, s7_do16_rdrs}, |
| 859 | {"mfceh", 0x00000848, 0x3e007fff, 0x8000, Rd_x_x, s7_do_rd}, |
| 860 | {"mfceh!", 0x1101, 0x7f0f, 0x00000848, x_Rs, s7_do16_rs}, |
| 861 | {"mfcehl", 0x00000c48, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, |
| 862 | {"mfsr", 0x00000050, 0x3e0003ff, 0x8000, Rd_x_I5, s7_do_rdsrs}, |
| 863 | {"mfcr", 0x0c000001, 0x3e00001f, 0x8000, Rd_Rs_x, s7_do_rdcrs}, |
| 864 | {"mfc1", 0x0c000009, 0x3e00001f, 0x8000, Rd_Rs_x, s7_do_rdcrs}, |
| 865 | {"mfc2", 0x0c000011, 0x3e00001f, 0x8000, Rd_Rs_x, s7_do_rdcrs}, |
| 866 | {"mfc3", 0x0c000019, 0x3e00001f, 0x8000, Rd_Rs_x, s7_do_rdcrs}, |
| 867 | {"mfcc1", 0x0c00000f, 0x3e00001f, 0x8000, Rd_Rs_x, s7_do_rdcrs}, |
| 868 | {"mfcc2", 0x0c000017, 0x3e00001f, 0x8000, Rd_Rs_x, s7_do_rdcrs}, |
| 869 | {"mfcc3", 0x0c00001f, 0x3e00001f, 0x8000, Rd_Rs_x, s7_do_rdcrs}, |
| 870 | {"mhfl!", 0x0002, 0x700f, 0x00003c56, Rd_LowRs, s7_do16_hrdrs}, |
| 871 | {"min", 0x38000006, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 872 | {"mlfh!", 0x0001, 0x700f, 0x00003c56, Rd_HighRs, s7_do16_rdhrs}, |
| 873 | {"msb", 0x38000001, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, |
| 874 | {"msb.f!", 0x1006, 0x700f, 0x38000081, Rd_Rs, s7_do16_rdrs}, |
| 875 | {"msbh", 0x38000205, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, |
| 876 | {"msbh.fs", 0x380002c5, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, |
| 877 | {"msbh.fs!", 0x100f, 0x700f, 0x380002c5, Rd_Rs, s7_do16_rdrs}, |
| 878 | {"msbl", 0x38000004, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, |
| 879 | {"msbl.fs", 0x380000c4, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, |
| 880 | {"msbl.fs!", 0x100e, 0x700f, 0x380000c4, Rd_Rs, s7_do16_rdrs}, |
| 881 | {"msbu", 0x38000021, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, |
| 882 | {"msbu!", 0x1007, 0x700f, 0x38000021, Rd_Rs, s7_do16_rdrs}, |
| 883 | {"msb.f", 0x38000081, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, |
| 884 | {"mszh", 0x38000305, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, |
| 885 | {"mszh.f", 0x38000385, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, |
| 886 | {"mszh.f!", 0x100d, 0x700f, 0x38000385, Rd_Rs, s7_do16_rdrs}, |
| 887 | {"mszl", 0x38000104, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, |
| 888 | {"mszl.f", 0x38000184, 0x3ff003ff, 0x8000, x_Rs_Rs, s7_do_rsrs}, |
| 889 | {"mszl.f!", 0x100c, 0x700f, 0x38000184, Rd_Rs, s7_do16_rdrs}, |
| 890 | {"mtcel!", 0x1000, 0x7f0f, 0x0000044a, x_Rs, s7_do16_rs}, |
| 891 | {"mtcel", 0x0000044a, 0x3e007fff, 0x8000, Rd_x_x, s7_do_rd}, |
| 892 | {"mtceh", 0x0000084a, 0x3e007fff, 0x8000, Rd_x_x, s7_do_rd}, |
| 893 | {"mtceh!", 0x1100, 0x7f0f, 0x0000084a, x_Rs, s7_do16_rs}, |
| 894 | {"mtcehl", 0x00000c4a, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, |
| 895 | {"mtsr", 0x00000052, 0x3e0003ff, 0x8000, x_Rs_I5, s7_do_rdsrs}, |
| 896 | {"mtcr", 0x0c000000, 0x3e00001f, 0x8000, Rd_Rs_x, s7_do_rdcrs}, |
| 897 | {"mtc1", 0x0c000008, 0x3e00001f, 0x8000, Rd_Rs_x, s7_do_rdcrs}, |
| 898 | {"mtc2", 0x0c000010, 0x3e00001f, 0x8000, Rd_Rs_x, s7_do_rdcrs}, |
| 899 | {"mtc3", 0x0c000018, 0x3e00001f, 0x8000, Rd_Rs_x, s7_do_rdcrs}, |
| 900 | {"mtcc1", 0x0c00000e, 0x3e00001f, 0x8000, Rd_Rs_x, s7_do_rdcrs}, |
| 901 | {"mtcc2", 0x0c000016, 0x3e00001f, 0x8000, Rd_Rs_x, s7_do_rdcrs}, |
| 902 | {"mtcc3", 0x0c00001e, 0x3e00001f, 0x8000, Rd_Rs_x, s7_do_rdcrs}, |
| 903 | {"mul.f!", 0x1002, 0x700f, 0x00000041, Rd_Rs, s7_do16_rdrs}, |
| 904 | {"mulu!", 0x1003, 0x700f, 0x00000042, Rd_Rs, s7_do16_rdrs}, |
| 905 | {"mvcs", 0x00000056, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, |
| 906 | {"mvcc", 0x00000456, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, |
| 907 | {"mvgtu", 0x00000856, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, |
| 908 | {"mvleu", 0x00000c56, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, |
| 909 | {"mveq", 0x00001056, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, |
| 910 | {"mvne", 0x00001456, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, |
| 911 | {"mvgt", 0x00001856, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, |
| 912 | {"mvle", 0x00001c56, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, |
| 913 | {"mvge", 0x00002056, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, |
| 914 | {"mvlt", 0x00002456, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, |
| 915 | {"mvmi", 0x00002856, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, |
| 916 | {"mvpl", 0x00002c56, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, |
| 917 | {"mvvs", 0x00003056, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, |
| 918 | {"mvvc", 0x00003456, 0x3e007fff, 0x8000, Rd_Rs_x, s7_do_rdrs}, |
| 919 | {"mv", 0x00003c56, 0x3e007fff, 0x0003, Rd_Rs_x, s7_do_rdrs}, |
| 920 | {"mv!", 0x0003, 0x700f, 0x00003c56, Rd_Rs, s7_do16_mv_rdrs}, |
| 921 | {"neg", 0x0000001e, 0x3e0003ff, 0x8000, Rd_x_Rs, s7_do_rdxrs}, |
| 922 | {"neg.c", 0x0000001f, 0x3e0003ff, 0x2002, Rd_x_Rs, s7_do_rdxrs}, |
| 923 | {"neg!", 0x2002, 0x700f, 0x0000001f, Rd_Rs, s7_do16_rdrs}, |
| 924 | {"nop", 0x00000000, 0x3e0003ff, 0x0000, NO_OPD, s7_do_empty}, |
| 925 | {"not", 0x00000024, 0x3e0003ff, 0x8000, Rd_Rs_x, s7_do_rdrs}, |
| 926 | {"not.c", 0x00000025, 0x3e0003ff, 0x2006, Rd_Rs_x, s7_do_rdrs}, |
| 927 | {"nop!", 0x0000, 0x700f, 0x00000000, NO16_OPD, s7_do_empty}, |
| 928 | {"not!", 0x2006, 0x700f, 0x00000025, Rd_Rs, s7_do16_rdrs}, |
| 929 | {"or", 0x00000022, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 930 | {"or.c", 0x00000023, 0x3e0003ff, 0x2005, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 931 | {"ori", 0x020a0000, 0x3e0e0001, 0x8000, Rd_I16, s7_do_rdi16}, |
| 932 | {"ori.c", 0x020a0001, 0x3e0e0001, 0x8000, Rd_I16, s7_do_rdi16}, |
| 933 | {"oris", 0x0a0a0000, 0x3e0e0001, 0x8000, Rd_I16, s7_do_rdi16}, |
| 934 | {"oris.c", 0x0a0a0001, 0x3e0e0001, 0x8000, Rd_I16, s7_do_rdi16}, |
| 935 | {"orri", 0x1a000000, 0x3e000001, 0x8000, Rd_Rs_I14, s7_do_rdrsi14}, |
| 936 | {"orri.c", 0x1a000001, 0x3e000001, 0x8000, Rd_Rs_I14, s7_do_rdrsi14}, |
| 937 | {"or!", 0x2005, 0x700f, 0x00000023, Rd_Rs, s7_do16_rdrs}, |
| 938 | {"pflush", 0x0000000a, 0x3e0003ff, 0x8000, NO_OPD, s7_do_empty}, |
| 939 | {"pop!", 0x200a, 0x700f, 0x0e000000, Rd_rvalueRs, s7_do16_push_pop}, |
| 940 | {"push!", 0x200e, 0x700f, 0x06000004, Rd_lvalueRs, s7_do16_push_pop}, |
| 941 | {"ror", 0x00000038, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 942 | {"ror.c", 0x00000039, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 943 | {"rorc.c", 0x0000003b, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 944 | {"rol", 0x0000003c, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 945 | {"rol.c", 0x0000003d, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 946 | {"rolc.c", 0x0000003f, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 947 | {"rori", 0x00000078, 0x3e0003ff, 0x8000, Rd_Rs_I5, s7_do_rdrsi5}, |
| 948 | {"rori.c", 0x00000079, 0x3e0003ff, 0x8000, Rd_Rs_I5, s7_do_rdrsi5}, |
| 949 | {"roric.c", 0x0000007b, 0x3e0003ff, 0x8000, Rd_Rs_I5, s7_do_rdrsi5}, |
| 950 | {"roli", 0x0000007c, 0x3e0003ff, 0x8000, Rd_Rs_I5, s7_do_rdrsi5}, |
| 951 | {"roli.c", 0x0000007d, 0x3e0003ff, 0x8000, Rd_Rs_I5, s7_do_rdrsi5}, |
| 952 | {"rolic.c", 0x0000007f, 0x3e0003ff, 0x8000, Rd_Rs_I5, s7_do_rdrsi5}, |
| 953 | {"rte", 0x0c000084, 0x3e0003ff, 0x8000, NO_OPD, s7_do_empty}, |
| 954 | {"sb!", 0x200f, 0x700f, 0x2e000000, Rd_lvalueRs, s7_do16_ldst_insn}, |
| 955 | {"sbp!", 0x7007, 0x7007, 0x2e000000, Rd_lvalueBP_I5, s7_do16_ldst_imm_insn}, |
| 956 | {"asw", 0x0000000e, 0x3e0003ff, 0x8000, Rd_lvalue32Rs, s7_do_ldst_atomic}, |
| 957 | {"scb", 0x00000068, 0x3e0003ff, 0x8000, Rd_lvalueRs_post4, s7_do_ldst_unalign}, |
| 958 | {"scw", 0x0000006a, 0x3e0003ff, 0x8000, Rd_lvalueRs_post4, s7_do_ldst_unalign}, |
| 959 | {"sce", 0x0000006e, 0x3e0003ff, 0x8000, x_lvalueRs_post4, s7_do_ldst_unalign}, |
| 960 | {"sdbbp", 0x00000006, 0x3e0003ff, 0x6002, x_I5_x, s7_do_xi5x}, |
| 961 | {"sdbbp!", 0x6002, 0x7007, 0x00000006, Rd_I5, s7_do16_xi5}, |
| 962 | {"sh!", 0x200d, 0x700f, 0x2a000000, Rd_lvalueRs, s7_do16_ldst_insn}, |
| 963 | {"shp!", 0x7005, 0x7007, 0x2a000000, Rd_lvalueBP_I5, s7_do16_ldst_imm_insn}, |
| 964 | {"sleep", 0x0c0000c4, 0x3e0003ff, 0x8000, NO_OPD, s7_do_empty}, |
| 965 | {"sll", 0x00000030, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 966 | {"sll.c", 0x00000031, 0x3e0003ff, 0x0008, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 967 | {"sll.s", 0x3800004e, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 968 | {"slli", 0x00000070, 0x3e0003ff, 0x8000, Rd_Rs_I5, s7_do_rdrsi5}, |
| 969 | {"slli.c", 0x00000071, 0x3e0003ff, 0x6001, Rd_Rs_I5, s7_do_rdrsi5}, |
| 970 | {"sll!", 0x0008, 0x700f, 0x00000031, Rd_Rs, s7_do16_rdrs}, |
| 971 | {"slli!", 0x6001, 0x7007, 0x00000071, Rd_I5, s7_do16_rdi5}, |
| 972 | {"srl", 0x00000034, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 973 | {"srl.c", 0x00000035, 0x3e0003ff, 0x000a, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 974 | {"sra", 0x00000036, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 975 | {"sra.c", 0x00000037, 0x3e0003ff, 0x000b, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 976 | {"srli", 0x00000074, 0x3e0003ff, 0x8000, Rd_Rs_I5, s7_do_rdrsi5}, |
| 977 | {"srli.c", 0x00000075, 0x3e0003ff, 0x6003, Rd_Rs_I5, s7_do_rdrsi5}, |
| 978 | {"srai", 0x00000076, 0x3e0003ff, 0x8000, Rd_Rs_I5, s7_do_rdrsi5}, |
| 979 | {"srai.c", 0x00000077, 0x3e0003ff, 0x8000, Rd_Rs_I5, s7_do_rdrsi5}, |
| 980 | {"srl!", 0x000a, 0x700f, 0x00000035, Rd_Rs, s7_do16_rdrs}, |
| 981 | {"sra!", 0x000b, 0x700f, 0x00000037, Rd_Rs, s7_do16_rdrs}, |
| 982 | {"srli!", 0x6003, 0x7007, 0x00000075, Rd_Rs, s7_do16_rdi5}, |
| 983 | {"stc1", 0x0c00000b, 0x3e00001f, 0x8000, Rd_lvalueRs_SI10, s7_do_ldst_cop}, |
| 984 | {"stc2", 0x0c000013, 0x3e00001f, 0x8000, Rd_lvalueRs_SI10, s7_do_ldst_cop}, |
| 985 | {"stc3", 0x0c00001b, 0x3e00001f, 0x8000, Rd_lvalueRs_SI10, s7_do_ldst_cop}, |
| 986 | {"sub", 0x00000014, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 987 | {"sub.c", 0x00000015, 0x3e0003ff, 0x2001, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 988 | {"sub.s", 0x38000049, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 989 | {"subc", 0x00000016, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 990 | {"subc.c", 0x00000017, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 991 | {"sub!", 0x2001, 0x700f, 0x00000015, Rd_Rs, s7_do16_rdrs}, |
| 992 | {"subei!", 0x6080, 0x7087, 0x02000001, Rd_I4, s7_do16_rdi4}, |
| 993 | {"sw!", 0x200c, 0x700f, 0x28000000, Rd_lvalueRs, s7_do16_ldst_insn}, |
| 994 | {"swp!", 0x7004, 0x7007, 0x28000000, Rd_lvalueBP_I5, s7_do16_ldst_imm_insn}, |
| 995 | {"syscall", 0x00000002, 0x3e0003ff, 0x8000, I15, s7_do_i15}, |
| 996 | {"tcs", 0x00000054, 0x3e007fff, 0x0005, NO_OPD, s7_do_empty}, |
| 997 | {"tcc", 0x00000454, 0x3e007fff, 0x0105, NO_OPD, s7_do_empty}, |
| 998 | {"tcnz", 0x00003854, 0x3e007fff, 0x0e05, NO_OPD, s7_do_empty}, |
| 999 | {"tcs!", 0x0005, 0x7f0f, 0x00000054, NO16_OPD, s7_do_empty}, |
| 1000 | {"tcc!", 0x0105, 0x7f0f, 0x00000454, NO16_OPD, s7_do_empty}, |
| 1001 | {"tcnz!", 0x0e05, 0x7f0f, 0x00003854, NO16_OPD, s7_do_empty}, |
| 1002 | {"teq", 0x00001054, 0x3e007fff, 0x0405, NO_OPD, s7_do_empty}, |
| 1003 | {"teq!", 0x0405, 0x7f0f, 0x00001054, NO16_OPD, s7_do_empty}, |
| 1004 | {"tgtu", 0x00000854, 0x3e007fff, 0x0205, NO_OPD, s7_do_empty}, |
| 1005 | {"tgt", 0x00001854, 0x3e007fff, 0x0605, NO_OPD, s7_do_empty}, |
| 1006 | {"tge", 0x00002054, 0x3e007fff, 0x0805, NO_OPD, s7_do_empty}, |
| 1007 | {"tgtu!", 0x0205, 0x7f0f, 0x00000854, NO16_OPD, s7_do_empty}, |
| 1008 | {"tgt!", 0x0605, 0x7f0f, 0x00001854, NO16_OPD, s7_do_empty}, |
| 1009 | {"tge!", 0x0805, 0x7f0f, 0x00002054, NO16_OPD, s7_do_empty}, |
| 1010 | {"tleu", 0x00000c54, 0x3e007fff, 0x0305, NO_OPD, s7_do_empty}, |
| 1011 | {"tle", 0x00001c54, 0x3e007fff, 0x0705, NO_OPD, s7_do_empty}, |
| 1012 | {"tlt", 0x00002454, 0x3e007fff, 0x0905, NO_OPD, s7_do_empty}, |
| 1013 | {"stlb", 0x0c000004, 0x3e0003ff, 0x8000, NO_OPD, s7_do_empty}, |
| 1014 | {"mftlb", 0x0c000024, 0x3e0003ff, 0x8000, NO_OPD, s7_do_empty}, |
| 1015 | {"mtptlb", 0x0c000044, 0x3e0003ff, 0x8000, NO_OPD, s7_do_empty}, |
| 1016 | {"mtrtlb", 0x0c000064, 0x3e0003ff, 0x8000, NO_OPD, s7_do_empty}, |
| 1017 | {"tleu!", 0x0305, 0x7f0f, 0x00000c54, NO16_OPD, s7_do_empty}, |
| 1018 | {"tle!", 0x0705, 0x7f0f, 0x00001c54, NO16_OPD, s7_do_empty}, |
| 1019 | {"tlt!", 0x0905, 0x7f0f, 0x00002454, NO16_OPD, s7_do_empty}, |
| 1020 | {"tmi", 0x00002854, 0x3e007fff, 0x0a05, NO_OPD, s7_do_empty}, |
| 1021 | {"tmi!", 0x0a05, 0x7f0f, 0x00002854, NO16_OPD, s7_do_empty}, |
| 1022 | {"tne", 0x00001454, 0x3e007fff, 0x0505, NO_OPD, s7_do_empty}, |
| 1023 | {"tne!", 0x0505, 0x7f0f, 0x00001454, NO16_OPD, s7_do_empty}, |
| 1024 | {"tpl", 0x00002c54, 0x3e007fff, 0x0b05, NO_OPD, s7_do_empty}, |
| 1025 | {"tpl!", 0x0b05, 0x7f0f, 0x00002c54, NO16_OPD, s7_do_empty}, |
| 1026 | {"trapcs", 0x00000004, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, |
| 1027 | {"trapcc", 0x00000404, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, |
| 1028 | {"trapgtu", 0x00000804, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, |
| 1029 | {"trapleu", 0x00000c04, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, |
| 1030 | {"trapeq", 0x00001004, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, |
| 1031 | {"trapne", 0x00001404, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, |
| 1032 | {"trapgt", 0x00001804, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, |
| 1033 | {"traple", 0x00001c04, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, |
| 1034 | {"trapge", 0x00002004, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, |
| 1035 | {"traplt", 0x00002404, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, |
| 1036 | {"trapmi", 0x00002804, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, |
| 1037 | {"trappl", 0x00002c04, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, |
| 1038 | {"trapvs", 0x00003004, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, |
| 1039 | {"trapvc", 0x00003404, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, |
| 1040 | {"trap", 0x00003c04, 0x3e007fff, 0x8000, x_I5_x, s7_do_xi5x}, |
| 1041 | {"tset", 0x00003c54, 0x3e007fff, 0x0f05, NO_OPD, s7_do_empty}, |
| 1042 | {"tset!", 0x0f05, 0x00007f0f, 0x00003c54, NO16_OPD, s7_do_empty}, |
| 1043 | {"tvs", 0x00003054, 0x3e007fff, 0x0c05, NO_OPD, s7_do_empty}, |
| 1044 | {"tvc", 0x00003454, 0x3e007fff, 0x0d05, NO_OPD, s7_do_empty}, |
| 1045 | {"tvs!", 0x0c05, 0x7f0f, 0x00003054, NO16_OPD, s7_do_empty}, |
| 1046 | {"tvc!", 0x0d05, 0x7f0f, 0x00003454, NO16_OPD, s7_do_empty}, |
| 1047 | {"xor", 0x00000026, 0x3e0003ff, 0x8000, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 1048 | {"xor.c", 0x00000027, 0x3e0003ff, 0x2007, Rd_Rs_Rs, s7_do_rdrsrs}, |
| 1049 | {"xor!", 0x2007, 0x700f, 0x00000027, Rd_Rs, s7_do16_rdrs}, |
| 1050 | /* Macro instruction. */ |
| 1051 | {"li", 0x020c0000, 0x3e0e0000, 0x8000, Insn_Type_SYN, s7_do_macro_li_rdi32}, |
| 1052 | /* la reg, imm32 -->(1) ldi reg, simm16 |
| 1053 | (2) ldis reg, %HI(imm32) |
| 1054 | ori reg, %LO(imm32) |
| 1055 | |
| 1056 | la reg, symbol -->(1) lis reg, %HI(imm32) |
| 1057 | ori reg, %LO(imm32) */ |
| 1058 | {"la", 0x020c0000, 0x3e0e0000, 0x8000, Insn_Type_SYN, s7_do_macro_la_rdi32}, |
| 1059 | {"div", 0x00000044, 0x3e0003ff, 0x8000, Insn_Type_SYN, s7_do_macro_mul_rdrsrs}, |
| 1060 | {"divu", 0x00000046, 0x3e0003ff, 0x8000, Insn_Type_SYN, s7_do_macro_mul_rdrsrs}, |
| 1061 | {"rem", 0x00000044, 0x3e0003ff, 0x8000, Insn_Type_SYN, s7_do_macro_mul_rdrsrs}, |
| 1062 | {"remu", 0x00000046, 0x3e0003ff, 0x8000, Insn_Type_SYN, s7_do_macro_mul_rdrsrs}, |
| 1063 | {"mul", 0x00000040, 0x3e0003ff, 0x8000, Insn_Type_SYN, s7_do_macro_mul_rdrsrs}, |
| 1064 | {"mulu", 0x00000042, 0x3e0003ff, 0x8000, Insn_Type_SYN, s7_do_macro_mul_rdrsrs}, |
| 1065 | {"maz", 0x00000040, 0x3e0003ff, 0x8000, Insn_Type_SYN, s7_do_macro_mul_rdrsrs}, |
| 1066 | {"mazu", 0x00000042, 0x3e0003ff, 0x8000, Insn_Type_SYN, s7_do_macro_mul_rdrsrs}, |
| 1067 | {"mul.f", 0x00000041, 0x3e0003ff, 0x8000, Insn_Type_SYN, s7_do_macro_mul_rdrsrs}, |
| 1068 | {"maz.f", 0x00000041, 0x3e0003ff, 0x8000, Insn_Type_SYN, s7_do_macro_mul_rdrsrs}, |
| 1069 | {"lb", INSN_LB, 0x00000000, 0x8000, Insn_Type_SYN, s7_do_macro_ldst_label}, |
| 1070 | {"lbu", INSN_LBU, 0x00000000, 0x200b, Insn_Type_SYN, s7_do_macro_ldst_label}, |
| 1071 | {"lh", INSN_LH, 0x00000000, 0x2009, Insn_Type_SYN, s7_do_macro_ldst_label}, |
| 1072 | {"lhu", INSN_LHU, 0x00000000, 0x8000, Insn_Type_SYN, s7_do_macro_ldst_label}, |
| 1073 | {"lw", INSN_LW, 0x00000000, 0x2008, Insn_Type_SYN, s7_do_macro_ldst_label}, |
| 1074 | {"sb", INSN_SB, 0x00000000, 0x200f, Insn_Type_SYN, s7_do_macro_ldst_label}, |
| 1075 | {"sh", INSN_SH, 0x00000000, 0x200d, Insn_Type_SYN, s7_do_macro_ldst_label}, |
| 1076 | {"sw", INSN_SW, 0x00000000, 0x200c, Insn_Type_SYN, s7_do_macro_ldst_label}, |
| 1077 | /* Assembler use internal. */ |
| 1078 | {"ld_i32hi", 0x0a0c0000, 0x3e0e0000, 0x8000, Insn_internal, s7_do_macro_rdi32hi}, |
| 1079 | {"ld_i32lo", 0x020a0000, 0x3e0e0001, 0x8000, Insn_internal, s7_do_macro_rdi32lo}, |
| 1080 | {"ldis_pic", 0x0a0c0000, 0x3e0e0000, 0x5000, Insn_internal, s7_do_rdi16_pic}, |
| 1081 | {"addi_s_pic",0x02000000, 0x3e0e0001, 0x8000, Insn_internal, s7_do_addi_s_pic}, |
| 1082 | {"addi_u_pic",0x02000000, 0x3e0e0001, 0x8000, Insn_internal, s7_do_addi_u_pic}, |
| 1083 | {"lw_pic", 0x20000000, 0x3e000000, 0x8000, Insn_internal, s7_do_lw_pic}, |
| 1084 | }; |
| 1085 | |
| 1086 | #define s7_SCORE5_PIPELINE 5 |
| 1087 | #define s7_SCORE7_PIPELINE 7 |
| 1088 | |
| 1089 | static int s7_university_version = 0; |
| 1090 | static int s7_vector_size = s7_SCORE7_PIPELINE; |
| 1091 | static struct s7_score_it s7_dependency_vector[s7_SCORE7_PIPELINE]; |
| 1092 | |
| 1093 | static int s7_score7d = 1; |
| 1094 | |
| 1095 | \f |
| 1096 | |
| 1097 | static int |
| 1098 | s7_end_of_line (char *str) |
| 1099 | { |
| 1100 | int retval = s7_SUCCESS; |
| 1101 | |
| 1102 | s7_skip_whitespace (str); |
| 1103 | if (*str != '\0') |
| 1104 | { |
| 1105 | retval = (int) s7_FAIL; |
| 1106 | |
| 1107 | if (!s7_inst.error) |
| 1108 | s7_inst.error = s7_BAD_GARBAGE; |
| 1109 | } |
| 1110 | |
| 1111 | return retval; |
| 1112 | } |
| 1113 | |
| 1114 | static int |
| 1115 | s7_score_reg_parse (char **ccp, htab_t htab) |
| 1116 | { |
| 1117 | char *start = *ccp; |
| 1118 | char c; |
| 1119 | char *p; |
| 1120 | struct s7_reg_entry *reg; |
| 1121 | |
| 1122 | p = start; |
| 1123 | if (!ISALPHA (*p) || !is_name_beginner (*p)) |
| 1124 | return (int) s7_FAIL; |
| 1125 | |
| 1126 | c = *p++; |
| 1127 | |
| 1128 | while (ISALPHA (c) || ISDIGIT (c) || c == '_') |
| 1129 | c = *p++; |
| 1130 | |
| 1131 | *--p = 0; |
| 1132 | reg = (struct s7_reg_entry *) str_hash_find (htab, start); |
| 1133 | *p = c; |
| 1134 | |
| 1135 | if (reg) |
| 1136 | { |
| 1137 | *ccp = p; |
| 1138 | return reg->number; |
| 1139 | } |
| 1140 | return (int) s7_FAIL; |
| 1141 | } |
| 1142 | |
| 1143 | /* If shift <= 0, only return reg. */ |
| 1144 | static int |
| 1145 | s7_reg_required_here (char **str, int shift, enum s7_score_reg_type reg_type) |
| 1146 | { |
| 1147 | static char buff[s7_MAX_LITERAL_POOL_SIZE]; |
| 1148 | int reg = (int) s7_FAIL; |
| 1149 | char *start = *str; |
| 1150 | |
| 1151 | if ((reg = s7_score_reg_parse (str, s7_all_reg_maps[reg_type].htab)) != (int) s7_FAIL) |
| 1152 | { |
| 1153 | if (reg_type == s7_REG_TYPE_SCORE) |
| 1154 | { |
| 1155 | if ((reg == 1) && (s7_nor1 == 1) && (s7_inst.bwarn == 0)) |
| 1156 | { |
| 1157 | as_warn (_("Using temp register(r1)")); |
| 1158 | s7_inst.bwarn = 1; |
| 1159 | } |
| 1160 | } |
| 1161 | if (shift >= 0) |
| 1162 | { |
| 1163 | if (reg_type == s7_REG_TYPE_SCORE_CR) |
| 1164 | strcpy (s7_inst.reg, s7_score_crn_table[reg].name); |
| 1165 | else if (reg_type == s7_REG_TYPE_SCORE_SR) |
| 1166 | strcpy (s7_inst.reg, s7_score_srn_table[reg].name); |
| 1167 | else |
| 1168 | strcpy (s7_inst.reg, ""); |
| 1169 | |
| 1170 | s7_inst.instruction |= reg << shift; |
| 1171 | } |
| 1172 | } |
| 1173 | else |
| 1174 | { |
| 1175 | *str = start; |
| 1176 | sprintf (buff, _("register expected, not '%.100s'"), start); |
| 1177 | s7_inst.error = buff; |
| 1178 | } |
| 1179 | |
| 1180 | return reg; |
| 1181 | } |
| 1182 | |
| 1183 | static int |
| 1184 | s7_skip_past_comma (char **str) |
| 1185 | { |
| 1186 | char *p = *str; |
| 1187 | char c; |
| 1188 | int comma = 0; |
| 1189 | |
| 1190 | while ((c = *p) == ' ' || c == ',') |
| 1191 | { |
| 1192 | p++; |
| 1193 | if (c == ',' && comma++) |
| 1194 | { |
| 1195 | s7_inst.error = s7_BAD_SKIP_COMMA; |
| 1196 | return (int) s7_FAIL; |
| 1197 | } |
| 1198 | } |
| 1199 | |
| 1200 | if ((c == '\0') || (comma == 0)) |
| 1201 | { |
| 1202 | s7_inst.error = s7_BAD_SKIP_COMMA; |
| 1203 | return (int) s7_FAIL; |
| 1204 | } |
| 1205 | |
| 1206 | *str = p; |
| 1207 | return comma ? s7_SUCCESS : (int) s7_FAIL; |
| 1208 | } |
| 1209 | |
| 1210 | static void |
| 1211 | s7_do_rdrsrs (char *str) |
| 1212 | { |
| 1213 | s7_skip_whitespace (str); |
| 1214 | |
| 1215 | if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) == (int) s7_FAIL |
| 1216 | || s7_skip_past_comma (&str) == (int) s7_FAIL |
| 1217 | || s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE) == (int) s7_FAIL |
| 1218 | || s7_skip_past_comma (&str) == (int) s7_FAIL |
| 1219 | || s7_reg_required_here (&str, 10, s7_REG_TYPE_SCORE) == (int) s7_FAIL |
| 1220 | || s7_end_of_line (str) == (int) s7_FAIL) |
| 1221 | { |
| 1222 | return; |
| 1223 | } |
| 1224 | else |
| 1225 | { |
| 1226 | if ((((s7_inst.instruction >> 15) & 0x10) == 0) |
| 1227 | && (((s7_inst.instruction >> 10) & 0x10) == 0) |
| 1228 | && (((s7_inst.instruction >> 20) & 0x10) == 0) |
| 1229 | && (s7_inst.relax_inst != 0x8000) |
| 1230 | && (((s7_inst.instruction >> 20) & 0xf) == ((s7_inst.instruction >> 15) & 0xf))) |
| 1231 | { |
| 1232 | s7_inst.relax_inst |= (((s7_inst.instruction >> 10) & 0xf) << 4) |
| 1233 | | (((s7_inst.instruction >> 15) & 0xf) << 8); |
| 1234 | s7_inst.relax_size = 2; |
| 1235 | } |
| 1236 | else |
| 1237 | { |
| 1238 | s7_inst.relax_inst = 0x8000; |
| 1239 | } |
| 1240 | } |
| 1241 | } |
| 1242 | |
| 1243 | static int |
| 1244 | s7_walk_no_bignums (symbolS * sp) |
| 1245 | { |
| 1246 | if (symbol_get_value_expression (sp)->X_op == O_big) |
| 1247 | return 1; |
| 1248 | |
| 1249 | if (symbol_get_value_expression (sp)->X_add_symbol) |
| 1250 | return (s7_walk_no_bignums (symbol_get_value_expression (sp)->X_add_symbol) |
| 1251 | || (symbol_get_value_expression (sp)->X_op_symbol |
| 1252 | && s7_walk_no_bignums (symbol_get_value_expression (sp)->X_op_symbol))); |
| 1253 | |
| 1254 | return 0; |
| 1255 | } |
| 1256 | |
| 1257 | static int |
| 1258 | s7_my_get_expression (expressionS * ep, char **str) |
| 1259 | { |
| 1260 | char *save_in; |
| 1261 | |
| 1262 | save_in = input_line_pointer; |
| 1263 | input_line_pointer = *str; |
| 1264 | s7_in_my_get_expression = 1; |
| 1265 | |
| 1266 | (void) expression (ep); |
| 1267 | s7_in_my_get_expression = 0; |
| 1268 | |
| 1269 | if (ep->X_op == O_illegal) |
| 1270 | { |
| 1271 | *str = input_line_pointer; |
| 1272 | input_line_pointer = save_in; |
| 1273 | s7_inst.error = _("illegal expression"); |
| 1274 | return (int) s7_FAIL; |
| 1275 | } |
| 1276 | /* Get rid of any bignums now, so that we don't generate an error for which |
| 1277 | we can't establish a line number later on. Big numbers are never valid |
| 1278 | in instructions, which is where this routine is always called. */ |
| 1279 | if (ep->X_op == O_big |
| 1280 | || (ep->X_add_symbol |
| 1281 | && (s7_walk_no_bignums (ep->X_add_symbol) |
| 1282 | || (ep->X_op_symbol && s7_walk_no_bignums (ep->X_op_symbol))))) |
| 1283 | { |
| 1284 | s7_inst.error = _("invalid constant"); |
| 1285 | *str = input_line_pointer; |
| 1286 | input_line_pointer = save_in; |
| 1287 | return (int) s7_FAIL; |
| 1288 | } |
| 1289 | |
| 1290 | if ((ep->X_add_symbol != NULL) |
| 1291 | && (s7_inst.type != PC_DISP19div2) |
| 1292 | && (s7_inst.type != PC_DISP8div2) |
| 1293 | && (s7_inst.type != PC_DISP24div2) |
| 1294 | && (s7_inst.type != PC_DISP11div2) |
| 1295 | && (s7_inst.type != Insn_Type_SYN) |
| 1296 | && (s7_inst.type != Rd_rvalueRs_SI15) |
| 1297 | && (s7_inst.type != Rd_lvalueRs_SI15) |
| 1298 | && (s7_inst.type != Insn_internal)) |
| 1299 | { |
| 1300 | s7_inst.error = s7_BAD_ARGS; |
| 1301 | *str = input_line_pointer; |
| 1302 | input_line_pointer = save_in; |
| 1303 | return (int) s7_FAIL; |
| 1304 | } |
| 1305 | |
| 1306 | *str = input_line_pointer; |
| 1307 | input_line_pointer = save_in; |
| 1308 | return s7_SUCCESS; |
| 1309 | } |
| 1310 | |
| 1311 | /* Check if an immediate is valid. If so, convert it to the right format. */ |
| 1312 | |
| 1313 | static bfd_signed_vma |
| 1314 | s7_validate_immediate (bfd_signed_vma val, unsigned int data_type, int hex_p) |
| 1315 | { |
| 1316 | switch (data_type) |
| 1317 | { |
| 1318 | case _VALUE_HI16: |
| 1319 | { |
| 1320 | int val_hi = ((val & 0xffff0000) >> 16); |
| 1321 | |
| 1322 | if (s7_score_df_range[data_type].range[0] <= val_hi |
| 1323 | && val_hi <= s7_score_df_range[data_type].range[1]) |
| 1324 | return val_hi; |
| 1325 | } |
| 1326 | break; |
| 1327 | |
| 1328 | case _VALUE_LO16: |
| 1329 | { |
| 1330 | int val_lo = (val & 0xffff); |
| 1331 | |
| 1332 | if (s7_score_df_range[data_type].range[0] <= val_lo |
| 1333 | && val_lo <= s7_score_df_range[data_type].range[1]) |
| 1334 | return val_lo; |
| 1335 | } |
| 1336 | break; |
| 1337 | |
| 1338 | case _SIMM12: |
| 1339 | if (hex_p == 1) |
| 1340 | { |
| 1341 | if (!(val >= -0x800 && val <= 0xfff)) |
| 1342 | { |
| 1343 | return (int) s7_FAIL; |
| 1344 | } |
| 1345 | } |
| 1346 | else |
| 1347 | { |
| 1348 | if (!(val >= -2048 && val <= 2047)) |
| 1349 | { |
| 1350 | return (int) s7_FAIL; |
| 1351 | } |
| 1352 | } |
| 1353 | |
| 1354 | return val; |
| 1355 | break; |
| 1356 | |
| 1357 | case _SIMM14: |
| 1358 | if (hex_p == 1) |
| 1359 | { |
| 1360 | if (!(val >= -0x2000 && val <= 0x3fff)) |
| 1361 | { |
| 1362 | return (int) s7_FAIL; |
| 1363 | } |
| 1364 | } |
| 1365 | else |
| 1366 | { |
| 1367 | if (!(val >= -8192 && val <= 8191)) |
| 1368 | { |
| 1369 | return (int) s7_FAIL; |
| 1370 | } |
| 1371 | } |
| 1372 | |
| 1373 | return val; |
| 1374 | break; |
| 1375 | |
| 1376 | case _SIMM15: |
| 1377 | if (hex_p == 1) |
| 1378 | { |
| 1379 | if (!(val >= -0x4000 && val <= 0x7fff)) |
| 1380 | { |
| 1381 | return (int) s7_FAIL; |
| 1382 | } |
| 1383 | } |
| 1384 | else |
| 1385 | { |
| 1386 | if (!(val >= -16384 && val <= 16383)) |
| 1387 | { |
| 1388 | return (int) s7_FAIL; |
| 1389 | } |
| 1390 | } |
| 1391 | |
| 1392 | return val; |
| 1393 | break; |
| 1394 | |
| 1395 | case _SIMM16: |
| 1396 | if (hex_p == 1) |
| 1397 | { |
| 1398 | if (!(val >= -0x8000 && val <= 0xffff)) |
| 1399 | { |
| 1400 | return (int) s7_FAIL; |
| 1401 | } |
| 1402 | } |
| 1403 | else |
| 1404 | { |
| 1405 | if (!(val >= -32768 && val <= 32767)) |
| 1406 | { |
| 1407 | return (int) s7_FAIL; |
| 1408 | } |
| 1409 | } |
| 1410 | |
| 1411 | return val; |
| 1412 | break; |
| 1413 | |
| 1414 | case _SIMM16_NEG: |
| 1415 | if (hex_p == 1) |
| 1416 | { |
| 1417 | if (!(val >= -0x7fff && val <= 0xffff && val != 0x8000)) |
| 1418 | { |
| 1419 | return (int) s7_FAIL; |
| 1420 | } |
| 1421 | } |
| 1422 | else |
| 1423 | { |
| 1424 | if (!(val >= -32767 && val <= 32768)) |
| 1425 | { |
| 1426 | return (int) s7_FAIL; |
| 1427 | } |
| 1428 | } |
| 1429 | |
| 1430 | val = -val; |
| 1431 | return val; |
| 1432 | break; |
| 1433 | |
| 1434 | case _IMM32: |
| 1435 | if (val >= 0 && val <= 0xffffffff) |
| 1436 | { |
| 1437 | return val; |
| 1438 | } |
| 1439 | else |
| 1440 | { |
| 1441 | return (int) s7_FAIL; |
| 1442 | } |
| 1443 | |
| 1444 | default: |
| 1445 | if (data_type == _SIMM14_NEG || data_type == _IMM16_NEG) |
| 1446 | val = -val; |
| 1447 | |
| 1448 | if (s7_score_df_range[data_type].range[0] <= val |
| 1449 | && val <= s7_score_df_range[data_type].range[1]) |
| 1450 | return val; |
| 1451 | |
| 1452 | break; |
| 1453 | } |
| 1454 | |
| 1455 | return (int) s7_FAIL; |
| 1456 | } |
| 1457 | |
| 1458 | static int |
| 1459 | s7_data_op2 (char **str, int shift, enum score_data_type data_type) |
| 1460 | { |
| 1461 | int value; |
| 1462 | char data_exp[s7_MAX_LITERAL_POOL_SIZE]; |
| 1463 | char *dataptr; |
| 1464 | int cnt = 0; |
| 1465 | char *pp = NULL; |
| 1466 | |
| 1467 | s7_skip_whitespace (*str); |
| 1468 | s7_inst.error = NULL; |
| 1469 | dataptr = * str; |
| 1470 | |
| 1471 | /* Set hex_p to zero. */ |
| 1472 | int hex_p = 0; |
| 1473 | |
| 1474 | while ((*dataptr != '\0') && (*dataptr != '|') && (cnt <= s7_MAX_LITERAL_POOL_SIZE)) /* 0x7c = ='|' */ |
| 1475 | { |
| 1476 | data_exp[cnt] = *dataptr; |
| 1477 | dataptr++; |
| 1478 | cnt++; |
| 1479 | } |
| 1480 | |
| 1481 | data_exp[cnt] = '\0'; |
| 1482 | pp = (char *)&data_exp; |
| 1483 | |
| 1484 | if (*dataptr == '|') /* process PCE */ |
| 1485 | { |
| 1486 | if (s7_my_get_expression (&s7_inst.reloc.exp, &pp) == (int) s7_FAIL) |
| 1487 | return (int) s7_FAIL; |
| 1488 | s7_end_of_line (pp); |
| 1489 | if (s7_inst.error != 0) |
| 1490 | return (int) s7_FAIL; /* to ouptut_inst to printf out the error */ |
| 1491 | *str = dataptr; |
| 1492 | } |
| 1493 | else /* process 16 bit */ |
| 1494 | { |
| 1495 | if (s7_my_get_expression (&s7_inst.reloc.exp, str) == (int) s7_FAIL) |
| 1496 | { |
| 1497 | return (int) s7_FAIL; |
| 1498 | } |
| 1499 | |
| 1500 | dataptr = (char *) data_exp; |
| 1501 | for (; *dataptr != '\0'; dataptr++) |
| 1502 | { |
| 1503 | *dataptr = TOLOWER (*dataptr); |
| 1504 | if (*dataptr == '!' || *dataptr == ' ') |
| 1505 | break; |
| 1506 | } |
| 1507 | dataptr = (char *) data_exp; |
| 1508 | |
| 1509 | if ((dataptr != NULL) |
| 1510 | && (((strstr (dataptr, "0x")) != NULL) |
| 1511 | || ((strstr (dataptr, "0X")) != NULL))) |
| 1512 | { |
| 1513 | hex_p = 1; |
| 1514 | if ((data_type != _SIMM16_LA) |
| 1515 | && (data_type != _VALUE_HI16) |
| 1516 | && (data_type != _VALUE_LO16) |
| 1517 | && (data_type != _IMM16) |
| 1518 | && (data_type != _IMM15) |
| 1519 | && (data_type != _IMM14) |
| 1520 | && (data_type != _IMM4) |
| 1521 | && (data_type != _IMM5) |
| 1522 | && (data_type != _IMM8) |
| 1523 | && (data_type != _IMM5_RSHIFT_1) |
| 1524 | && (data_type != _IMM5_RSHIFT_2) |
| 1525 | && (data_type != _SIMM14) |
| 1526 | && (data_type != _SIMM16) |
| 1527 | && (data_type != _SIMM14_NEG) |
| 1528 | && (data_type != _SIMM16_NEG) |
| 1529 | && (data_type != _IMM10_RSHIFT_2) |
| 1530 | && (data_type != _GP_IMM15)) |
| 1531 | { |
| 1532 | data_type += 24; |
| 1533 | } |
| 1534 | } |
| 1535 | |
| 1536 | if ((s7_inst.reloc.exp.X_add_number == 0) |
| 1537 | /* for "addi r0,-((((((32*4)+4)+4)+4)+4)&0xf)". */ |
| 1538 | && (s7_inst.type != Rd_SI16) |
| 1539 | && (s7_inst.type != Insn_Type_SYN) |
| 1540 | && (s7_inst.type != Rd_rvalueRs_SI15) |
| 1541 | && (s7_inst.type != Rd_lvalueRs_SI15) |
| 1542 | && (s7_inst.type != Insn_internal) |
| 1543 | && (((*dataptr >= 'a') && (*dataptr <= 'z')) |
| 1544 | || ((*dataptr == '0') && (*(dataptr + 1) == 'x') && (*(dataptr + 2) != '0')) |
| 1545 | || ((*dataptr == '+') && (*(dataptr + 1) != '0')) |
| 1546 | || ((*dataptr == '-') && (*(dataptr + 1) != '0')))) |
| 1547 | { |
| 1548 | s7_inst.error = s7_BAD_ARGS; |
| 1549 | return (int) s7_FAIL; |
| 1550 | } |
| 1551 | } |
| 1552 | |
| 1553 | if ((s7_inst.reloc.exp.X_add_symbol) |
| 1554 | && ((data_type == _SIMM16) |
| 1555 | || (data_type == _SIMM16_NEG) |
| 1556 | || (data_type == _IMM16_NEG) |
| 1557 | || (data_type == _SIMM14) |
| 1558 | || (data_type == _SIMM14_NEG) |
| 1559 | || (data_type == _IMM5) |
| 1560 | || (data_type == _IMM14) |
| 1561 | || (data_type == _IMM20) |
| 1562 | || (data_type == _IMM16) |
| 1563 | || (data_type == _IMM15) |
| 1564 | || (data_type == _IMM4))) |
| 1565 | { |
| 1566 | s7_inst.error = s7_BAD_ARGS; |
| 1567 | return (int) s7_FAIL; |
| 1568 | } |
| 1569 | |
| 1570 | if (s7_inst.reloc.exp.X_add_symbol) |
| 1571 | { |
| 1572 | switch (data_type) |
| 1573 | { |
| 1574 | case _SIMM16_LA: |
| 1575 | return (int) s7_FAIL; |
| 1576 | case _VALUE_HI16: |
| 1577 | s7_inst.reloc.type = BFD_RELOC_HI16_S; |
| 1578 | s7_inst.reloc.pc_rel = 0; |
| 1579 | break; |
| 1580 | case _VALUE_LO16: |
| 1581 | s7_inst.reloc.type = BFD_RELOC_LO16; |
| 1582 | s7_inst.reloc.pc_rel = 0; |
| 1583 | break; |
| 1584 | case _GP_IMM15: |
| 1585 | s7_inst.reloc.type = BFD_RELOC_SCORE_GPREL15; |
| 1586 | s7_inst.reloc.pc_rel = 0; |
| 1587 | break; |
| 1588 | case _SIMM16_pic: |
| 1589 | case _IMM16_LO16_pic: |
| 1590 | s7_inst.reloc.type = BFD_RELOC_SCORE_GOT_LO16; |
| 1591 | s7_inst.reloc.pc_rel = 0; |
| 1592 | break; |
| 1593 | default: |
| 1594 | s7_inst.reloc.type = BFD_RELOC_32; |
| 1595 | s7_inst.reloc.pc_rel = 0; |
| 1596 | break; |
| 1597 | } |
| 1598 | } |
| 1599 | else |
| 1600 | { |
| 1601 | if (data_type == _IMM16_pic) |
| 1602 | { |
| 1603 | s7_inst.reloc.type = BFD_RELOC_SCORE_DUMMY_HI16; |
| 1604 | s7_inst.reloc.pc_rel = 0; |
| 1605 | } |
| 1606 | |
| 1607 | if (data_type == _SIMM16_LA && s7_inst.reloc.exp.X_unsigned == 1) |
| 1608 | { |
| 1609 | value = s7_validate_immediate (s7_inst.reloc.exp.X_add_number, _SIMM16_LA_POS, hex_p); |
| 1610 | if (value == (int) s7_FAIL) /* for advance to check if this is ldis */ |
| 1611 | if ((s7_inst.reloc.exp.X_add_number & 0xffff) == 0) |
| 1612 | { |
| 1613 | s7_inst.instruction |= 0x8000000; |
| 1614 | s7_inst.instruction |= ((s7_inst.reloc.exp.X_add_number >> 16) << 1) & 0x1fffe; |
| 1615 | return s7_SUCCESS; |
| 1616 | } |
| 1617 | } |
| 1618 | else |
| 1619 | { |
| 1620 | value = s7_validate_immediate (s7_inst.reloc.exp.X_add_number, data_type, hex_p); |
| 1621 | } |
| 1622 | |
| 1623 | if (value == (int) s7_FAIL) |
| 1624 | { |
| 1625 | if ((data_type != _SIMM14_NEG) && (data_type != _SIMM16_NEG) && (data_type != _IMM16_NEG)) |
| 1626 | { |
| 1627 | sprintf (s7_err_msg, |
| 1628 | _("invalid constant: %d bit expression not in range %d..%d"), |
| 1629 | s7_score_df_range[data_type].bits, |
| 1630 | s7_score_df_range[data_type].range[0], s7_score_df_range[data_type].range[1]); |
| 1631 | } |
| 1632 | else |
| 1633 | { |
| 1634 | sprintf (s7_err_msg, |
| 1635 | _("invalid constant: %d bit expression not in range %d..%d"), |
| 1636 | s7_score_df_range[data_type].bits, |
| 1637 | -s7_score_df_range[data_type].range[1], -s7_score_df_range[data_type].range[0]); |
| 1638 | } |
| 1639 | |
| 1640 | s7_inst.error = s7_err_msg; |
| 1641 | return (int) s7_FAIL; |
| 1642 | } |
| 1643 | |
| 1644 | if ((s7_score_df_range[data_type].range[0] != 0) || (data_type == _IMM5_RANGE_8_31)) |
| 1645 | { |
| 1646 | value &= (1 << s7_score_df_range[data_type].bits) - 1; |
| 1647 | } |
| 1648 | |
| 1649 | s7_inst.instruction |= value << shift; |
| 1650 | } |
| 1651 | |
| 1652 | if ((s7_inst.instruction & 0x3e000000) == 0x30000000) |
| 1653 | { |
| 1654 | if ((((s7_inst.instruction >> 20) & 0x1F) != 0) |
| 1655 | && (((s7_inst.instruction >> 20) & 0x1F) != 1) |
| 1656 | && (((s7_inst.instruction >> 20) & 0x1F) != 2) |
| 1657 | && (((s7_inst.instruction >> 20) & 0x1F) != 3) |
| 1658 | && (((s7_inst.instruction >> 20) & 0x1F) != 4) |
| 1659 | && (((s7_inst.instruction >> 20) & 0x1F) != 8) |
| 1660 | && (((s7_inst.instruction >> 20) & 0x1F) != 9) |
| 1661 | && (((s7_inst.instruction >> 20) & 0x1F) != 0xa) |
| 1662 | && (((s7_inst.instruction >> 20) & 0x1F) != 0xb) |
| 1663 | && (((s7_inst.instruction >> 20) & 0x1F) != 0xc) |
| 1664 | && (((s7_inst.instruction >> 20) & 0x1F) != 0xd) |
| 1665 | && (((s7_inst.instruction >> 20) & 0x1F) != 0xe) |
| 1666 | && (((s7_inst.instruction >> 20) & 0x1F) != 0x10) |
| 1667 | && (((s7_inst.instruction >> 20) & 0x1F) != 0x11) |
| 1668 | && (((s7_inst.instruction >> 20) & 0x1F) != 0x18) |
| 1669 | && (((s7_inst.instruction >> 20) & 0x1F) != 0x1A) |
| 1670 | && (((s7_inst.instruction >> 20) & 0x1F) != 0x1B) |
| 1671 | && (((s7_inst.instruction >> 20) & 0x1F) != 0x1d) |
| 1672 | && (((s7_inst.instruction >> 20) & 0x1F) != 0x1e) |
| 1673 | && (((s7_inst.instruction >> 20) & 0x1F) != 0x1f)) |
| 1674 | { |
| 1675 | s7_inst.error = _("invalid constant: bit expression not defined"); |
| 1676 | return (int) s7_FAIL; |
| 1677 | } |
| 1678 | } |
| 1679 | |
| 1680 | return s7_SUCCESS; |
| 1681 | } |
| 1682 | |
| 1683 | /* Handle addi/addi.c/addis.c/cmpi.c/addis.c/ldi. */ |
| 1684 | |
| 1685 | static void |
| 1686 | s7_do_rdsi16 (char *str) |
| 1687 | { |
| 1688 | s7_skip_whitespace (str); |
| 1689 | |
| 1690 | if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) == (int) s7_FAIL |
| 1691 | || s7_skip_past_comma (&str) == (int) s7_FAIL |
| 1692 | || s7_data_op2 (&str, 1, _SIMM16) == (int) s7_FAIL |
| 1693 | || s7_end_of_line (str) == (int) s7_FAIL) |
| 1694 | return; |
| 1695 | |
| 1696 | /* ldi. */ |
| 1697 | if ((s7_inst.instruction & 0x20c0000) == 0x20c0000) |
| 1698 | { |
| 1699 | if ((((s7_inst.instruction >> 20) & 0x10) == 0x10) || ((s7_inst.instruction & 0x1fe00) != 0)) |
| 1700 | { |
| 1701 | s7_inst.relax_inst = 0x8000; |
| 1702 | } |
| 1703 | else |
| 1704 | { |
| 1705 | s7_inst.relax_inst |= (s7_inst.instruction >> 1) & 0xff; |
| 1706 | s7_inst.relax_inst |= (((s7_inst.instruction >> 20) & 0xf) << 8); |
| 1707 | s7_inst.relax_size = 2; |
| 1708 | } |
| 1709 | } |
| 1710 | else if (((s7_inst.instruction >> 20) & 0x10) == 0x10) |
| 1711 | { |
| 1712 | s7_inst.relax_inst = 0x8000; |
| 1713 | } |
| 1714 | } |
| 1715 | |
| 1716 | /* Handle subi/subi.c. */ |
| 1717 | |
| 1718 | static void |
| 1719 | s7_do_sub_rdsi16 (char *str) |
| 1720 | { |
| 1721 | s7_skip_whitespace (str); |
| 1722 | |
| 1723 | if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) != (int) s7_FAIL |
| 1724 | && s7_skip_past_comma (&str) != (int) s7_FAIL |
| 1725 | && s7_data_op2 (&str, 1, _SIMM16_NEG) != (int) s7_FAIL) |
| 1726 | s7_end_of_line (str); |
| 1727 | } |
| 1728 | |
| 1729 | |
| 1730 | /* Handle addri/addri.c. */ |
| 1731 | |
| 1732 | static void |
| 1733 | s7_do_rdrssi14 (char *str) /* -(2^13)~((2^13)-1) */ |
| 1734 | { |
| 1735 | s7_skip_whitespace (str); |
| 1736 | |
| 1737 | if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) != (int) s7_FAIL |
| 1738 | && s7_skip_past_comma (&str) != (int) s7_FAIL |
| 1739 | && s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE) != (int) s7_FAIL |
| 1740 | && s7_skip_past_comma (&str) != (int) s7_FAIL) |
| 1741 | s7_data_op2 (&str, 1, _SIMM14); |
| 1742 | } |
| 1743 | |
| 1744 | /* Handle subri.c/subri. */ |
| 1745 | |
| 1746 | static void |
| 1747 | s7_do_sub_rdrssi14 (char *str) /* -(2^13)~((2^13)-1) */ |
| 1748 | { |
| 1749 | s7_skip_whitespace (str); |
| 1750 | |
| 1751 | if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) != (int) s7_FAIL |
| 1752 | && s7_skip_past_comma (&str) != (int) s7_FAIL |
| 1753 | && s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE) != (int) s7_FAIL |
| 1754 | && s7_skip_past_comma (&str) != (int) s7_FAIL |
| 1755 | && s7_data_op2 (&str, 1, _SIMM14_NEG) != (int) s7_FAIL) |
| 1756 | s7_end_of_line (str); |
| 1757 | } |
| 1758 | |
| 1759 | /* Handle bitclr.c/bitset.c/bittgl.c/slli.c/srai.c/srli.c/roli.c/rori.c/rolic.c. */ |
| 1760 | |
| 1761 | static void |
| 1762 | s7_do_rdrsi5 (char *str) /* 0~((2^14)-1) */ |
| 1763 | { |
| 1764 | s7_skip_whitespace (str); |
| 1765 | |
| 1766 | if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) == (int) s7_FAIL |
| 1767 | || s7_skip_past_comma (&str) == (int) s7_FAIL |
| 1768 | || s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE) == (int) s7_FAIL |
| 1769 | || s7_skip_past_comma (&str) == (int) s7_FAIL |
| 1770 | || s7_data_op2 (&str, 10, _IMM5) == (int) s7_FAIL |
| 1771 | || s7_end_of_line (str) == (int) s7_FAIL) |
| 1772 | return; |
| 1773 | |
| 1774 | if ((((s7_inst.instruction >> 20) & 0x1f) == ((s7_inst.instruction >> 15) & 0x1f)) |
| 1775 | && (s7_inst.relax_inst != 0x8000) && (((s7_inst.instruction >> 15) & 0x10) == 0)) |
| 1776 | { |
| 1777 | s7_inst.relax_inst |= (((s7_inst.instruction >> 10) & 0x1f) << 3) | (((s7_inst.instruction >> 15) & 0xf) << 8); |
| 1778 | s7_inst.relax_size = 2; |
| 1779 | } |
| 1780 | else |
| 1781 | s7_inst.relax_inst = 0x8000; |
| 1782 | } |
| 1783 | |
| 1784 | /* Handle andri/orri/andri.c/orri.c. */ |
| 1785 | |
| 1786 | static void |
| 1787 | s7_do_rdrsi14 (char *str) /* 0 ~ ((2^14)-1) */ |
| 1788 | { |
| 1789 | s7_skip_whitespace (str); |
| 1790 | |
| 1791 | if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) != (int) s7_FAIL |
| 1792 | && s7_skip_past_comma (&str) != (int) s7_FAIL |
| 1793 | && s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE) != (int) s7_FAIL |
| 1794 | && s7_skip_past_comma (&str) != (int) s7_FAIL |
| 1795 | && s7_data_op2 (&str, 1, _IMM14) != (int) s7_FAIL) |
| 1796 | s7_end_of_line (str); |
| 1797 | } |
| 1798 | |
| 1799 | /* Handle bittst.c. */ |
| 1800 | |
| 1801 | static void |
| 1802 | s7_do_xrsi5 (char *str) |
| 1803 | { |
| 1804 | s7_skip_whitespace (str); |
| 1805 | |
| 1806 | if (s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE) == (int) s7_FAIL |
| 1807 | || s7_skip_past_comma (&str) == (int) s7_FAIL |
| 1808 | || s7_data_op2 (&str, 10, _IMM5) == (int) s7_FAIL |
| 1809 | || s7_end_of_line (str) == (int) s7_FAIL) |
| 1810 | return; |
| 1811 | |
| 1812 | if ((s7_inst.relax_inst != 0x8000) && (((s7_inst.instruction >> 15) & 0x10) == 0)) |
| 1813 | { |
| 1814 | s7_inst.relax_inst |= (((s7_inst.instruction >> 10) & 0x1f) << 3) | (((s7_inst.instruction >> 15) & 0xf) << 8); |
| 1815 | s7_inst.relax_size = 2; |
| 1816 | } |
| 1817 | else |
| 1818 | s7_inst.relax_inst = 0x8000; |
| 1819 | } |
| 1820 | |
| 1821 | /* Handle addis/andi/ori/andis/oris/ldis. */ |
| 1822 | |
| 1823 | static void |
| 1824 | s7_do_rdi16 (char *str) |
| 1825 | { |
| 1826 | s7_skip_whitespace (str); |
| 1827 | |
| 1828 | if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) == (int) s7_FAIL |
| 1829 | || s7_skip_past_comma (&str) == (int) s7_FAIL |
| 1830 | || s7_data_op2 (&str, 1, _IMM16) == (int) s7_FAIL |
| 1831 | || s7_end_of_line (str) == (int) s7_FAIL) |
| 1832 | return; |
| 1833 | } |
| 1834 | |
| 1835 | static void |
| 1836 | s7_do_macro_rdi32hi (char *str) |
| 1837 | { |
| 1838 | s7_skip_whitespace (str); |
| 1839 | |
| 1840 | /* Do not handle s7_end_of_line(). */ |
| 1841 | if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) != (int) s7_FAIL |
| 1842 | && s7_skip_past_comma (&str) != (int) s7_FAIL) |
| 1843 | s7_data_op2 (&str, 1, _VALUE_HI16); |
| 1844 | } |
| 1845 | |
| 1846 | static void |
| 1847 | s7_do_macro_rdi32lo (char *str) |
| 1848 | { |
| 1849 | s7_skip_whitespace (str); |
| 1850 | |
| 1851 | /* Do not handle s7_end_of_line(). */ |
| 1852 | if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) != (int) s7_FAIL |
| 1853 | && s7_skip_past_comma (&str) != (int) s7_FAIL) |
| 1854 | s7_data_op2 (&str, 1, _VALUE_LO16); |
| 1855 | } |
| 1856 | |
| 1857 | /* Handle ldis_pic. */ |
| 1858 | |
| 1859 | static void |
| 1860 | s7_do_rdi16_pic (char *str) |
| 1861 | { |
| 1862 | s7_skip_whitespace (str); |
| 1863 | |
| 1864 | if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) != (int) s7_FAIL |
| 1865 | && s7_skip_past_comma (&str) != (int) s7_FAIL |
| 1866 | && s7_data_op2 (&str, 1, _IMM16_pic) != (int) s7_FAIL) |
| 1867 | s7_end_of_line (str); |
| 1868 | } |
| 1869 | |
| 1870 | /* Handle addi_s_pic to generate R_SCORE_GOT_LO16 . */ |
| 1871 | |
| 1872 | static void |
| 1873 | s7_do_addi_s_pic (char *str) |
| 1874 | { |
| 1875 | s7_skip_whitespace (str); |
| 1876 | |
| 1877 | if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) != (int) s7_FAIL |
| 1878 | && s7_skip_past_comma (&str) != (int) s7_FAIL |
| 1879 | && s7_data_op2 (&str, 1, _SIMM16_pic) != (int) s7_FAIL) |
| 1880 | s7_end_of_line (str); |
| 1881 | } |
| 1882 | |
| 1883 | /* Handle addi_u_pic to generate R_SCORE_GOT_LO16 . */ |
| 1884 | |
| 1885 | static void |
| 1886 | s7_do_addi_u_pic (char *str) |
| 1887 | { |
| 1888 | s7_skip_whitespace (str); |
| 1889 | |
| 1890 | if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) != (int) s7_FAIL |
| 1891 | && s7_skip_past_comma (&str) != (int) s7_FAIL |
| 1892 | && s7_data_op2 (&str, 1, _IMM16_LO16_pic) != (int) s7_FAIL) |
| 1893 | s7_end_of_line (str); |
| 1894 | } |
| 1895 | |
| 1896 | /* Handle mfceh/mfcel/mtceh/mtchl. */ |
| 1897 | |
| 1898 | static void |
| 1899 | s7_do_rd (char *str) |
| 1900 | { |
| 1901 | s7_skip_whitespace (str); |
| 1902 | |
| 1903 | if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) != (int) s7_FAIL) |
| 1904 | s7_end_of_line (str); |
| 1905 | } |
| 1906 | |
| 1907 | static void |
| 1908 | s7_do_rs (char *str) |
| 1909 | { |
| 1910 | s7_skip_whitespace (str); |
| 1911 | |
| 1912 | if (s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE) == (int) s7_FAIL |
| 1913 | || s7_end_of_line (str) == (int) s7_FAIL) |
| 1914 | return; |
| 1915 | |
| 1916 | if ((s7_inst.relax_inst != 0x8000) && (((s7_inst.instruction >> 15) & 0x10) == 0)) |
| 1917 | { |
| 1918 | s7_inst.relax_inst |= (((s7_inst.instruction >> 10) & 0xf) << 8) | (((s7_inst.instruction >> 15) & 0xf) << 4); |
| 1919 | s7_inst.relax_size = 2; |
| 1920 | } |
| 1921 | else |
| 1922 | s7_inst.relax_inst = 0x8000; |
| 1923 | } |
| 1924 | |
| 1925 | static void |
| 1926 | s7_do_i15 (char *str) |
| 1927 | { |
| 1928 | s7_skip_whitespace (str); |
| 1929 | |
| 1930 | if (s7_data_op2 (&str, 10, _IMM15) != (int) s7_FAIL) |
| 1931 | s7_end_of_line (str); |
| 1932 | } |
| 1933 | |
| 1934 | static void |
| 1935 | s7_do_xi5x (char *str) |
| 1936 | { |
| 1937 | s7_skip_whitespace (str); |
| 1938 | |
| 1939 | if (s7_data_op2 (&str, 15, _IMM5) == (int) s7_FAIL || s7_end_of_line (str) == (int) s7_FAIL) |
| 1940 | return; |
| 1941 | |
| 1942 | if (s7_inst.relax_inst != 0x8000) |
| 1943 | { |
| 1944 | s7_inst.relax_inst |= (((s7_inst.instruction >> 15) & 0x1f) << 3); |
| 1945 | s7_inst.relax_size = 2; |
| 1946 | } |
| 1947 | } |
| 1948 | |
| 1949 | static void |
| 1950 | s7_do_rdrs (char *str) |
| 1951 | { |
| 1952 | s7_skip_whitespace (str); |
| 1953 | |
| 1954 | if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) == (int) s7_FAIL |
| 1955 | || s7_skip_past_comma (&str) == (int) s7_FAIL |
| 1956 | || s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE) == (int) s7_FAIL |
| 1957 | || s7_end_of_line (str) == (int) s7_FAIL) |
| 1958 | return; |
| 1959 | |
| 1960 | if (s7_inst.relax_inst != 0x8000) |
| 1961 | { |
| 1962 | if (((s7_inst.instruction & 0x7f) == 0x56)) /* adjust mv -> mv! / mlfh! / mhfl! */ |
| 1963 | { |
| 1964 | /* mlfh */ |
| 1965 | if ((((s7_inst.instruction >> 15) & 0x10) != 0x0) && (((s7_inst.instruction >> 20) & 0x10) == 0)) |
| 1966 | { |
| 1967 | s7_inst.relax_inst = 0x00000001 | (((s7_inst.instruction >> 15) & 0xf) << 4) |
| 1968 | | (((s7_inst.instruction >> 20) & 0xf) << 8); |
| 1969 | s7_inst.relax_size = 2; |
| 1970 | } |
| 1971 | /* mhfl */ |
| 1972 | else if ((((s7_inst.instruction >> 15) & 0x10) == 0x0) && ((s7_inst.instruction >> 20) & 0x10) != 0) |
| 1973 | { |
| 1974 | s7_inst.relax_inst = 0x00000002 | (((s7_inst.instruction >> 15) & 0xf) << 4) |
| 1975 | | (((s7_inst.instruction >> 20) & 0xf) << 8); |
| 1976 | s7_inst.relax_size = 2; |
| 1977 | } |
| 1978 | else if ((((s7_inst.instruction >> 15) & 0x10) == 0x0) && (((s7_inst.instruction >> 20) & 0x10) == 0)) |
| 1979 | { |
| 1980 | s7_inst.relax_inst |= (((s7_inst.instruction >> 15) & 0xf) << 4) |
| 1981 | | (((s7_inst.instruction >> 20) & 0xf) << 8); |
| 1982 | s7_inst.relax_size = 2; |
| 1983 | } |
| 1984 | else |
| 1985 | { |
| 1986 | s7_inst.relax_inst = 0x8000; |
| 1987 | } |
| 1988 | } |
| 1989 | else if ((((s7_inst.instruction >> 15) & 0x10) == 0x0) && (((s7_inst.instruction >> 20) & 0x10) == 0)) |
| 1990 | { |
| 1991 | s7_inst.relax_inst |= (((s7_inst.instruction >> 15) & 0xf) << 4) |
| 1992 | | (((s7_inst.instruction >> 20) & 0xf) << 8); |
| 1993 | s7_inst.relax_size = 2; |
| 1994 | } |
| 1995 | else |
| 1996 | { |
| 1997 | s7_inst.relax_inst = 0x8000; |
| 1998 | } |
| 1999 | } |
| 2000 | } |
| 2001 | |
| 2002 | /* Handle mfcr/mtcr. */ |
| 2003 | static void |
| 2004 | s7_do_rdcrs (char *str) |
| 2005 | { |
| 2006 | s7_skip_whitespace (str); |
| 2007 | |
| 2008 | if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) != (int) s7_FAIL |
| 2009 | && s7_skip_past_comma (&str) != (int) s7_FAIL |
| 2010 | && s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE_CR) != (int) s7_FAIL) |
| 2011 | s7_end_of_line (str); |
| 2012 | } |
| 2013 | |
| 2014 | /* Handle mfsr/mtsr. */ |
| 2015 | |
| 2016 | static void |
| 2017 | s7_do_rdsrs (char *str) |
| 2018 | { |
| 2019 | s7_skip_whitespace (str); |
| 2020 | |
| 2021 | /* mfsr */ |
| 2022 | if ((s7_inst.instruction & 0xff) == 0x50) |
| 2023 | { |
| 2024 | if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) != (int) s7_FAIL |
| 2025 | && s7_skip_past_comma (&str) != (int) s7_FAIL |
| 2026 | && s7_reg_required_here (&str, 10, s7_REG_TYPE_SCORE_SR) != (int) s7_FAIL) |
| 2027 | s7_end_of_line (str); |
| 2028 | } |
| 2029 | else |
| 2030 | { |
| 2031 | if (s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE) != (int) s7_FAIL |
| 2032 | && s7_skip_past_comma (&str) != (int) s7_FAIL) |
| 2033 | s7_reg_required_here (&str, 10, s7_REG_TYPE_SCORE_SR); |
| 2034 | } |
| 2035 | } |
| 2036 | |
| 2037 | /* Handle neg. */ |
| 2038 | |
| 2039 | static void |
| 2040 | s7_do_rdxrs (char *str) |
| 2041 | { |
| 2042 | s7_skip_whitespace (str); |
| 2043 | |
| 2044 | if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) == (int) s7_FAIL |
| 2045 | || s7_skip_past_comma (&str) == (int) s7_FAIL |
| 2046 | || s7_reg_required_here (&str, 10, s7_REG_TYPE_SCORE) == (int) s7_FAIL |
| 2047 | || s7_end_of_line (str) == (int) s7_FAIL) |
| 2048 | return; |
| 2049 | |
| 2050 | if ((s7_inst.relax_inst != 0x8000) && (((s7_inst.instruction >> 10) & 0x10) == 0) |
| 2051 | && (((s7_inst.instruction >> 20) & 0x10) == 0)) |
| 2052 | { |
| 2053 | s7_inst.relax_inst |= (((s7_inst.instruction >> 10) & 0xf) << 4) | (((s7_inst.instruction >> 20) & 0xf) << 8); |
| 2054 | s7_inst.relax_size = 2; |
| 2055 | } |
| 2056 | else |
| 2057 | s7_inst.relax_inst = 0x8000; |
| 2058 | } |
| 2059 | |
| 2060 | /* Handle cmp.c/cmp<cond>. */ |
| 2061 | static void |
| 2062 | s7_do_rsrs (char *str) |
| 2063 | { |
| 2064 | s7_skip_whitespace (str); |
| 2065 | |
| 2066 | if (s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE) == (int) s7_FAIL |
| 2067 | || s7_skip_past_comma (&str) == (int) s7_FAIL |
| 2068 | || s7_reg_required_here (&str, 10, s7_REG_TYPE_SCORE) == (int) s7_FAIL |
| 2069 | || s7_end_of_line (str) == (int) s7_FAIL) |
| 2070 | return; |
| 2071 | |
| 2072 | if ((s7_inst.relax_inst != 0x8000) && (((s7_inst.instruction >> 20) & 0x1f) == 3) |
| 2073 | && (((s7_inst.instruction >> 10) & 0x10) == 0) && (((s7_inst.instruction >> 15) & 0x10) == 0)) |
| 2074 | { |
| 2075 | s7_inst.relax_inst |= (((s7_inst.instruction >> 10) & 0xf) << 4) | (((s7_inst.instruction >> 15) & 0xf) << 8); |
| 2076 | s7_inst.relax_size = 2; |
| 2077 | } |
| 2078 | else |
| 2079 | s7_inst.relax_inst = 0x8000; |
| 2080 | } |
| 2081 | |
| 2082 | static void |
| 2083 | s7_do_ceinst (char *str) |
| 2084 | { |
| 2085 | char *strbak; |
| 2086 | |
| 2087 | strbak = str; |
| 2088 | s7_skip_whitespace (str); |
| 2089 | |
| 2090 | if (s7_data_op2 (&str, 20, _IMM5) == (int) s7_FAIL |
| 2091 | || s7_skip_past_comma (&str) == (int) s7_FAIL |
| 2092 | || s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE) == (int) s7_FAIL |
| 2093 | || s7_skip_past_comma (&str) == (int) s7_FAIL |
| 2094 | || s7_reg_required_here (&str, 10, s7_REG_TYPE_SCORE) == (int) s7_FAIL |
| 2095 | || s7_skip_past_comma (&str) == (int) s7_FAIL |
| 2096 | || s7_data_op2 (&str, 5, _IMM5) == (int) s7_FAIL |
| 2097 | || s7_skip_past_comma (&str) == (int) s7_FAIL |
| 2098 | || s7_data_op2 (&str, 0, _IMM5) == (int) s7_FAIL |
| 2099 | || s7_end_of_line (str) == (int) s7_FAIL) |
| 2100 | { |
| 2101 | return; |
| 2102 | } |
| 2103 | else |
| 2104 | { |
| 2105 | str = strbak; |
| 2106 | if (s7_data_op2 (&str, 0, _IMM25) == (int) s7_FAIL) |
| 2107 | return; |
| 2108 | } |
| 2109 | } |
| 2110 | |
| 2111 | static int |
| 2112 | s7_reglow_required_here (char **str, int shift) |
| 2113 | { |
| 2114 | static char buff[s7_MAX_LITERAL_POOL_SIZE]; |
| 2115 | int reg; |
| 2116 | char *start = *str; |
| 2117 | |
| 2118 | if ((reg = s7_score_reg_parse (str, s7_all_reg_maps[s7_REG_TYPE_SCORE].htab)) != (int) s7_FAIL) |
| 2119 | { |
| 2120 | if ((reg == 1) && (s7_nor1 == 1) && (s7_inst.bwarn == 0)) |
| 2121 | { |
| 2122 | as_warn (_("Using temp register(r1)")); |
| 2123 | s7_inst.bwarn = 1; |
| 2124 | } |
| 2125 | if (reg < 16) |
| 2126 | { |
| 2127 | if (shift >= 0) |
| 2128 | s7_inst.instruction |= reg << shift; |
| 2129 | |
| 2130 | return reg; |
| 2131 | } |
| 2132 | } |
| 2133 | |
| 2134 | /* Restore the start point, we may have got a reg of the wrong class. */ |
| 2135 | *str = start; |
| 2136 | sprintf (buff, _("low register(r0-r15)expected, not '%.100s'"), start); |
| 2137 | s7_inst.error = buff; |
| 2138 | return (int) s7_FAIL; |
| 2139 | } |
| 2140 | |
| 2141 | /* Handle addc!/add!/and!/cmp!/neg!/not!/or!/sll!/srl!/sra!/xor!/sub!. */ |
| 2142 | |
| 2143 | static void |
| 2144 | s7_do16_rdrs (char *str) |
| 2145 | { |
| 2146 | s7_skip_whitespace (str); |
| 2147 | |
| 2148 | if (s7_reglow_required_here (&str, 8) == (int) s7_FAIL |
| 2149 | || s7_skip_past_comma (&str) == (int) s7_FAIL |
| 2150 | || s7_reglow_required_here (&str, 4) == (int) s7_FAIL |
| 2151 | || s7_end_of_line (str) == (int) s7_FAIL) |
| 2152 | { |
| 2153 | return; |
| 2154 | } |
| 2155 | else |
| 2156 | { |
| 2157 | if ((s7_inst.instruction & 0x700f) == 0x2003) /* cmp! */ |
| 2158 | { |
| 2159 | s7_inst.relax_inst |= (((s7_inst.instruction >> 8) & 0xf) << 15) |
| 2160 | | (((s7_inst.instruction >> 4) & 0xf) << 10); |
| 2161 | } |
| 2162 | else if ((s7_inst.instruction & 0x700f) == 0x2006) /* not! */ |
| 2163 | { |
| 2164 | s7_inst.relax_inst |= (((s7_inst.instruction >> 8) & 0xf) << 20) |
| 2165 | | (((s7_inst.instruction >> 4) & 0xf) << 15); |
| 2166 | } |
| 2167 | else if ((s7_inst.instruction & 0x700f) == 0x1009) /* mazh.f! */ |
| 2168 | { |
| 2169 | s7_inst.relax_inst |= (((s7_inst.instruction >> 8) & 0xf) << 15) |
| 2170 | | (((s7_inst.instruction >> 4) & 0xf) << 10); |
| 2171 | } |
| 2172 | else |
| 2173 | { |
| 2174 | s7_inst.relax_inst |= (((s7_inst.instruction >> 8) & 0xf) << 20) |
| 2175 | | (((s7_inst.instruction >> 8) & 0xf) << 15) | (((s7_inst.instruction >> 4) & 0xf) << 10); |
| 2176 | } |
| 2177 | s7_inst.relax_size = 4; |
| 2178 | } |
| 2179 | } |
| 2180 | |
| 2181 | static void |
| 2182 | s7_do16_rs (char *str) |
| 2183 | { |
| 2184 | int rd = 0; |
| 2185 | |
| 2186 | s7_skip_whitespace (str); |
| 2187 | |
| 2188 | if ((rd = s7_reglow_required_here (&str, 4)) == (int) s7_FAIL |
| 2189 | || s7_end_of_line (str) == (int) s7_FAIL) |
| 2190 | { |
| 2191 | return; |
| 2192 | } |
| 2193 | else |
| 2194 | { |
| 2195 | s7_inst.relax_inst |= rd << 20; |
| 2196 | s7_inst.relax_size = 4; |
| 2197 | } |
| 2198 | } |
| 2199 | |
| 2200 | /* Handle br!/brl!. */ |
| 2201 | |
| 2202 | static void |
| 2203 | s7_do16_xrs (char *str) |
| 2204 | { |
| 2205 | s7_skip_whitespace (str); |
| 2206 | |
| 2207 | if (s7_reglow_required_here (&str, 4) == (int) s7_FAIL || s7_end_of_line (str) == (int) s7_FAIL) |
| 2208 | { |
| 2209 | return; |
| 2210 | } |
| 2211 | else |
| 2212 | { |
| 2213 | s7_inst.relax_inst |= (((s7_inst.instruction >> 8) & 0xf) << 10) |
| 2214 | | (((s7_inst.instruction >> 4) & 0xf) << 15); |
| 2215 | s7_inst.relax_size = 4; |
| 2216 | } |
| 2217 | } |
| 2218 | |
| 2219 | static int |
| 2220 | s7_reghigh_required_here (char **str, int shift) |
| 2221 | { |
| 2222 | static char buff[s7_MAX_LITERAL_POOL_SIZE]; |
| 2223 | int reg; |
| 2224 | char *start = *str; |
| 2225 | |
| 2226 | if ((reg = s7_score_reg_parse (str, s7_all_reg_maps[s7_REG_TYPE_SCORE].htab)) != (int) s7_FAIL) |
| 2227 | { |
| 2228 | if (15 < reg && reg < 32) |
| 2229 | { |
| 2230 | if (shift >= 0) |
| 2231 | s7_inst.instruction |= (reg & 0xf) << shift; |
| 2232 | |
| 2233 | return reg; |
| 2234 | } |
| 2235 | } |
| 2236 | |
| 2237 | *str = start; |
| 2238 | sprintf (buff, _("high register(r16-r31)expected, not '%.100s'"), start); |
| 2239 | s7_inst.error = buff; |
| 2240 | return (int) s7_FAIL; |
| 2241 | } |
| 2242 | |
| 2243 | /* Handle mhfl!. */ |
| 2244 | |
| 2245 | static void |
| 2246 | s7_do16_hrdrs (char *str) |
| 2247 | { |
| 2248 | s7_skip_whitespace (str); |
| 2249 | |
| 2250 | if (s7_reghigh_required_here (&str, 8) != (int) s7_FAIL |
| 2251 | && s7_skip_past_comma (&str) != (int) s7_FAIL |
| 2252 | && s7_reglow_required_here (&str, 4) != (int) s7_FAIL |
| 2253 | && s7_end_of_line (str) != (int) s7_FAIL) |
| 2254 | { |
| 2255 | s7_inst.relax_inst |= ((((s7_inst.instruction >> 8) & 0xf) | 0x10) << 20) |
| 2256 | | (((s7_inst.instruction >> 4) & 0xf) << 15) | (0xf << 10); |
| 2257 | s7_inst.relax_size = 4; |
| 2258 | } |
| 2259 | } |
| 2260 | |
| 2261 | /* Handle mlfh!. */ |
| 2262 | |
| 2263 | static void |
| 2264 | s7_do16_rdhrs (char *str) |
| 2265 | { |
| 2266 | s7_skip_whitespace (str); |
| 2267 | |
| 2268 | if (s7_reglow_required_here (&str, 8) != (int) s7_FAIL |
| 2269 | && s7_skip_past_comma (&str) != (int) s7_FAIL |
| 2270 | && s7_reghigh_required_here (&str, 4) != (int) s7_FAIL |
| 2271 | && s7_end_of_line (str) != (int) s7_FAIL) |
| 2272 | { |
| 2273 | s7_inst.relax_inst |= (((s7_inst.instruction >> 8) & 0xf) << 20) |
| 2274 | | ((((s7_inst.instruction >> 4) & 0xf) | 0x10) << 15) | (0xf << 10); |
| 2275 | s7_inst.relax_size = 4; |
| 2276 | } |
| 2277 | } |
| 2278 | |
| 2279 | /* We need to be able to fix up arbitrary expressions in some statements. |
| 2280 | This is so that we can handle symbols that are an arbitrary distance from |
| 2281 | the pc. The most common cases are of the form ((+/-sym -/+ . - 8) & mask), |
| 2282 | which returns part of an address in a form which will be valid for |
| 2283 | a data instruction. We do this by pushing the expression into a symbol |
| 2284 | in the expr_section, and creating a fix for that. */ |
| 2285 | |
| 2286 | static fixS * |
| 2287 | s7_fix_new_score (fragS * frag, int where, short int size, expressionS * exp, int pc_rel, int reloc) |
| 2288 | { |
| 2289 | fixS *new_fix; |
| 2290 | |
| 2291 | switch (exp->X_op) |
| 2292 | { |
| 2293 | case O_constant: |
| 2294 | case O_symbol: |
| 2295 | case O_add: |
| 2296 | case O_subtract: |
| 2297 | new_fix = fix_new_exp (frag, where, size, exp, pc_rel, reloc); |
| 2298 | break; |
| 2299 | default: |
| 2300 | new_fix = fix_new (frag, where, size, make_expr_symbol (exp), 0, pc_rel, reloc); |
| 2301 | break; |
| 2302 | } |
| 2303 | return new_fix; |
| 2304 | } |
| 2305 | |
| 2306 | static void |
| 2307 | s7_init_dependency_vector (void) |
| 2308 | { |
| 2309 | int i; |
| 2310 | |
| 2311 | for (i = 0; i < s7_vector_size; i++) |
| 2312 | memset (&s7_dependency_vector[i], '\0', sizeof (s7_dependency_vector[i])); |
| 2313 | |
| 2314 | return; |
| 2315 | } |
| 2316 | |
| 2317 | static enum s7_insn_type_for_dependency |
| 2318 | s7_dependency_type_from_insn (char *insn_name) |
| 2319 | { |
| 2320 | char name[s7_INSN_NAME_LEN]; |
| 2321 | const struct s7_insn_to_dependency *tmp; |
| 2322 | |
| 2323 | strcpy (name, insn_name); |
| 2324 | tmp = (const struct s7_insn_to_dependency *) |
| 2325 | str_hash_find (s7_dependency_insn_hsh, name); |
| 2326 | |
| 2327 | if (tmp) |
| 2328 | return tmp->type; |
| 2329 | |
| 2330 | return s7_D_all_insn; |
| 2331 | } |
| 2332 | |
| 2333 | static int |
| 2334 | s7_check_dependency (char *pre_insn, char *pre_reg, |
| 2335 | char *cur_insn, char *cur_reg, int *warn_or_error) |
| 2336 | { |
| 2337 | int bubbles = 0; |
| 2338 | unsigned int i; |
| 2339 | enum s7_insn_type_for_dependency pre_insn_type; |
| 2340 | enum s7_insn_type_for_dependency cur_insn_type; |
| 2341 | |
| 2342 | pre_insn_type = s7_dependency_type_from_insn (pre_insn); |
| 2343 | cur_insn_type = s7_dependency_type_from_insn (cur_insn); |
| 2344 | |
| 2345 | for (i = 0; i < sizeof (s7_data_dependency_table) / sizeof (s7_data_dependency_table[0]); i++) |
| 2346 | { |
| 2347 | if ((pre_insn_type == s7_data_dependency_table[i].pre_insn_type) |
| 2348 | && (s7_D_all_insn == s7_data_dependency_table[i].cur_insn_type |
| 2349 | || cur_insn_type == s7_data_dependency_table[i].cur_insn_type) |
| 2350 | && (strcmp (s7_data_dependency_table[i].pre_reg, "") == 0 |
| 2351 | || strcmp (s7_data_dependency_table[i].pre_reg, pre_reg) == 0) |
| 2352 | && (strcmp (s7_data_dependency_table[i].cur_reg, "") == 0 |
| 2353 | || strcmp (s7_data_dependency_table[i].cur_reg, cur_reg) == 0)) |
| 2354 | { |
| 2355 | if (s7_vector_size == s7_SCORE5_PIPELINE) |
| 2356 | bubbles = s7_data_dependency_table[i].bubblenum_5; |
| 2357 | else |
| 2358 | bubbles = s7_data_dependency_table[i].bubblenum_7; |
| 2359 | *warn_or_error = s7_data_dependency_table[i].warn_or_error; |
| 2360 | break; |
| 2361 | } |
| 2362 | } |
| 2363 | |
| 2364 | return bubbles; |
| 2365 | } |
| 2366 | |
| 2367 | /* Turn an integer of n bytes (in val) into a stream of bytes appropriate |
| 2368 | for use in the a.out file, and stores them in the array pointed to by buf. |
| 2369 | This knows about the endian-ness of the target machine and does |
| 2370 | THE RIGHT THING, whatever it is. Possible values for n are 1 (byte) |
| 2371 | 2 (short) and 4 (long) Floating numbers are put out as a series of |
| 2372 | LITTLENUMS (shorts, here at least). */ |
| 2373 | |
| 2374 | static void |
| 2375 | s7_number_to_chars (char *buf, valueT val, int n) |
| 2376 | { |
| 2377 | if (target_big_endian) |
| 2378 | number_to_chars_bigendian (buf, val, n); |
| 2379 | else |
| 2380 | number_to_chars_littleendian (buf, val, n); |
| 2381 | } |
| 2382 | |
| 2383 | static void |
| 2384 | s7_build_one_frag (struct s7_score_it one_inst) |
| 2385 | { |
| 2386 | char *p; |
| 2387 | int relaxable_p = s7_g_opt; |
| 2388 | int relax_size = 0; |
| 2389 | |
| 2390 | /* Start a new frag if frag_now is not empty. */ |
| 2391 | if (frag_now_fix () != 0) |
| 2392 | { |
| 2393 | if (!frag_now->tc_frag_data.is_insn) |
| 2394 | frag_wane (frag_now); |
| 2395 | |
| 2396 | frag_new (0); |
| 2397 | } |
| 2398 | frag_grow (20); |
| 2399 | |
| 2400 | p = frag_more (one_inst.size); |
| 2401 | s7_number_to_chars (p, one_inst.instruction, one_inst.size); |
| 2402 | |
| 2403 | #ifdef OBJ_ELF |
| 2404 | dwarf2_emit_insn (one_inst.size); |
| 2405 | #endif |
| 2406 | |
| 2407 | relaxable_p &= (one_inst.relax_size != 0); |
| 2408 | relax_size = relaxable_p ? one_inst.relax_size : 0; |
| 2409 | |
| 2410 | p = frag_var (rs_machine_dependent, relax_size + s7_RELAX_PAD_BYTE, 0, |
| 2411 | s7_RELAX_ENCODE (one_inst.size, one_inst.relax_size, |
| 2412 | one_inst.type, 0, 0, relaxable_p), |
| 2413 | NULL, 0, NULL); |
| 2414 | |
| 2415 | if (relaxable_p) |
| 2416 | s7_number_to_chars (p, one_inst.relax_inst, relax_size); |
| 2417 | } |
| 2418 | |
| 2419 | static void |
| 2420 | s7_handle_dependency (struct s7_score_it *theinst) |
| 2421 | { |
| 2422 | int i; |
| 2423 | int warn_or_error = 0; /* warn - 0; error - 1 */ |
| 2424 | int bubbles = 0; |
| 2425 | int remainder_bubbles = 0; |
| 2426 | char cur_insn[s7_INSN_NAME_LEN]; |
| 2427 | char pre_insn[s7_INSN_NAME_LEN]; |
| 2428 | struct s7_score_it nop_inst; |
| 2429 | struct s7_score_it pflush_inst; |
| 2430 | |
| 2431 | nop_inst.instruction = 0x0000; |
| 2432 | nop_inst.size = 2; |
| 2433 | nop_inst.relax_inst = 0x80008000; |
| 2434 | nop_inst.relax_size = 4; |
| 2435 | nop_inst.type = NO16_OPD; |
| 2436 | |
| 2437 | pflush_inst.instruction = 0x8000800a; |
| 2438 | pflush_inst.size = 4; |
| 2439 | pflush_inst.relax_inst = 0x8000; |
| 2440 | pflush_inst.relax_size = 0; |
| 2441 | pflush_inst.type = NO_OPD; |
| 2442 | |
| 2443 | /* pflush will clear all data dependency. */ |
| 2444 | if (strcmp (theinst->name, "pflush") == 0) |
| 2445 | { |
| 2446 | s7_init_dependency_vector (); |
| 2447 | return; |
| 2448 | } |
| 2449 | |
| 2450 | /* Push current instruction to s7_dependency_vector[0]. */ |
| 2451 | for (i = s7_vector_size - 1; i > 0; i--) |
| 2452 | memcpy (&s7_dependency_vector[i], &s7_dependency_vector[i - 1], sizeof (s7_dependency_vector[i])); |
| 2453 | |
| 2454 | memcpy (&s7_dependency_vector[0], theinst, sizeof (s7_dependency_vector[i])); |
| 2455 | |
| 2456 | /* There is no dependency between nop and any instruction. */ |
| 2457 | if (strcmp (s7_dependency_vector[0].name, "nop") == 0 |
| 2458 | || strcmp (s7_dependency_vector[0].name, "nop!") == 0) |
| 2459 | return; |
| 2460 | |
| 2461 | /* "pce" is defined in s7_insn_to_dependency_table. */ |
| 2462 | #define PCE_NAME "pce" |
| 2463 | |
| 2464 | if (s7_dependency_vector[0].type == Insn_Type_PCE) |
| 2465 | strcpy (cur_insn, PCE_NAME); |
| 2466 | else |
| 2467 | strcpy (cur_insn, s7_dependency_vector[0].name); |
| 2468 | |
| 2469 | for (i = 1; i < s7_vector_size; i++) |
| 2470 | { |
| 2471 | /* The element of s7_dependency_vector is NULL. */ |
| 2472 | if (s7_dependency_vector[i].name[0] == '\0') |
| 2473 | continue; |
| 2474 | |
| 2475 | if (s7_dependency_vector[i].type == Insn_Type_PCE) |
| 2476 | strcpy (pre_insn, PCE_NAME); |
| 2477 | else |
| 2478 | strcpy (pre_insn, s7_dependency_vector[i].name); |
| 2479 | |
| 2480 | bubbles = s7_check_dependency (pre_insn, s7_dependency_vector[i].reg, |
| 2481 | cur_insn, s7_dependency_vector[0].reg, &warn_or_error); |
| 2482 | remainder_bubbles = bubbles - i + 1; |
| 2483 | |
| 2484 | if (remainder_bubbles > 0) |
| 2485 | { |
| 2486 | int j; |
| 2487 | |
| 2488 | if (s7_fix_data_dependency == 1) |
| 2489 | { |
| 2490 | if (remainder_bubbles <= 2) |
| 2491 | { |
| 2492 | if (s7_warn_fix_data_dependency) |
| 2493 | as_warn (_("Fix data dependency: %s %s -- %s %s (insert %d nop!/%d)"), |
| 2494 | s7_dependency_vector[i].name, s7_dependency_vector[i].reg, |
| 2495 | s7_dependency_vector[0].name, s7_dependency_vector[0].reg, |
| 2496 | remainder_bubbles, bubbles); |
| 2497 | |
| 2498 | for (j = (s7_vector_size - 1); (j - remainder_bubbles) > 0; j--) |
| 2499 | memcpy (&s7_dependency_vector[j], &s7_dependency_vector[j - remainder_bubbles], |
| 2500 | sizeof (s7_dependency_vector[j])); |
| 2501 | |
| 2502 | for (j = 1; j <= remainder_bubbles; j++) |
| 2503 | { |
| 2504 | memset (&s7_dependency_vector[j], '\0', sizeof (s7_dependency_vector[j])); |
| 2505 | /* Insert nop!. */ |
| 2506 | s7_build_one_frag (nop_inst); |
| 2507 | } |
| 2508 | } |
| 2509 | else |
| 2510 | { |
| 2511 | if (s7_warn_fix_data_dependency) |
| 2512 | as_warn (_("Fix data dependency: %s %s -- %s %s (insert 1 pflush/%d)"), |
| 2513 | s7_dependency_vector[i].name, s7_dependency_vector[i].reg, |
| 2514 | s7_dependency_vector[0].name, s7_dependency_vector[0].reg, |
| 2515 | bubbles); |
| 2516 | |
| 2517 | for (j = 1; j < s7_vector_size; j++) |
| 2518 | memset (&s7_dependency_vector[j], '\0', sizeof (s7_dependency_vector[j])); |
| 2519 | |
| 2520 | /* Insert pflush. */ |
| 2521 | s7_build_one_frag (pflush_inst); |
| 2522 | } |
| 2523 | } |
| 2524 | else |
| 2525 | { |
| 2526 | if (warn_or_error) |
| 2527 | { |
| 2528 | as_bad (_("data dependency: %s %s -- %s %s (%d/%d bubble)"), |
| 2529 | s7_dependency_vector[i].name, s7_dependency_vector[i].reg, |
| 2530 | s7_dependency_vector[0].name, s7_dependency_vector[0].reg, |
| 2531 | remainder_bubbles, bubbles); |
| 2532 | } |
| 2533 | else |
| 2534 | { |
| 2535 | as_warn (_("data dependency: %s %s -- %s %s (%d/%d bubble)"), |
| 2536 | s7_dependency_vector[i].name, s7_dependency_vector[i].reg, |
| 2537 | s7_dependency_vector[0].name, s7_dependency_vector[0].reg, |
| 2538 | remainder_bubbles, bubbles); |
| 2539 | } |
| 2540 | } |
| 2541 | } |
| 2542 | } |
| 2543 | } |
| 2544 | |
| 2545 | static enum insn_class |
| 2546 | s7_get_insn_class_from_type (enum score_insn_type type) |
| 2547 | { |
| 2548 | enum insn_class retval = (int) s7_FAIL; |
| 2549 | |
| 2550 | switch (type) |
| 2551 | { |
| 2552 | case Rd_I4: |
| 2553 | case Rd_I5: |
| 2554 | case Rd_rvalueBP_I5: |
| 2555 | case Rd_lvalueBP_I5: |
| 2556 | case Rd_I8: |
| 2557 | case PC_DISP8div2: |
| 2558 | case PC_DISP11div2: |
| 2559 | case Rd_Rs: |
| 2560 | case Rd_HighRs: |
| 2561 | case Rd_lvalueRs: |
| 2562 | case Rd_rvalueRs: |
| 2563 | case x_Rs: |
| 2564 | case Rd_LowRs: |
| 2565 | case NO16_OPD: |
| 2566 | retval = INSN_CLASS_16; |
| 2567 | break; |
| 2568 | case Rd_Rs_I5: |
| 2569 | case x_Rs_I5: |
| 2570 | case x_I5_x: |
| 2571 | case Rd_Rs_I14: |
| 2572 | case I15: |
| 2573 | case Rd_I16: |
| 2574 | case Rd_SI16: |
| 2575 | case Rd_rvalueRs_SI10: |
| 2576 | case Rd_lvalueRs_SI10: |
| 2577 | case Rd_rvalueRs_preSI12: |
| 2578 | case Rd_rvalueRs_postSI12: |
| 2579 | case Rd_lvalueRs_preSI12: |
| 2580 | case Rd_lvalueRs_postSI12: |
| 2581 | case Rd_Rs_SI14: |
| 2582 | case Rd_rvalueRs_SI15: |
| 2583 | case Rd_lvalueRs_SI15: |
| 2584 | case PC_DISP19div2: |
| 2585 | case PC_DISP24div2: |
| 2586 | case Rd_Rs_Rs: |
| 2587 | case x_Rs_x: |
| 2588 | case x_Rs_Rs: |
| 2589 | case Rd_Rs_x: |
| 2590 | case Rd_x_Rs: |
| 2591 | case Rd_x_x: |
| 2592 | case OP5_rvalueRs_SI15: |
| 2593 | case I5_Rs_Rs_I5_OP5: |
| 2594 | case x_rvalueRs_post4: |
| 2595 | case Rd_rvalueRs_post4: |
| 2596 | case Rd_x_I5: |
| 2597 | case Rd_lvalueRs_post4: |
| 2598 | case x_lvalueRs_post4: |
| 2599 | case Rd_Rs_Rs_imm: |
| 2600 | case NO_OPD: |
| 2601 | case Rd_lvalue32Rs: |
| 2602 | case Rd_rvalue32Rs: |
| 2603 | case Insn_GP: |
| 2604 | case Insn_PIC: |
| 2605 | case Insn_internal: |
| 2606 | retval = INSN_CLASS_32; |
| 2607 | break; |
| 2608 | case Insn_Type_PCE: |
| 2609 | retval = INSN_CLASS_PCE; |
| 2610 | break; |
| 2611 | case Insn_Type_SYN: |
| 2612 | retval = INSN_CLASS_SYN; |
| 2613 | break; |
| 2614 | default: |
| 2615 | abort (); |
| 2616 | break; |
| 2617 | } |
| 2618 | return retval; |
| 2619 | } |
| 2620 | |
| 2621 | static unsigned long |
| 2622 | s7_adjust_paritybit (unsigned long m_code, enum insn_class i_class) |
| 2623 | { |
| 2624 | unsigned long result = 0; |
| 2625 | unsigned long m_code_high = 0; |
| 2626 | unsigned long m_code_low = 0; |
| 2627 | unsigned long pb_high = 0; |
| 2628 | unsigned long pb_low = 0; |
| 2629 | |
| 2630 | if (i_class == INSN_CLASS_32) |
| 2631 | { |
| 2632 | pb_high = 0x80000000; |
| 2633 | pb_low = 0x00008000; |
| 2634 | } |
| 2635 | else if (i_class == INSN_CLASS_16) |
| 2636 | { |
| 2637 | pb_high = 0; |
| 2638 | pb_low = 0; |
| 2639 | } |
| 2640 | else if (i_class == INSN_CLASS_PCE) |
| 2641 | { |
| 2642 | pb_high = 0; |
| 2643 | pb_low = 0x00008000; |
| 2644 | } |
| 2645 | else if (i_class == INSN_CLASS_SYN) |
| 2646 | { |
| 2647 | /* FIXME. at this time, INSN_CLASS_SYN must be 32 bit, but, instruction type should |
| 2648 | be changed if macro instruction has been expanded. */ |
| 2649 | pb_high = 0x80000000; |
| 2650 | pb_low = 0x00008000; |
| 2651 | } |
| 2652 | else |
| 2653 | { |
| 2654 | abort (); |
| 2655 | } |
| 2656 | |
| 2657 | m_code_high = m_code & 0x3fff8000; |
| 2658 | m_code_low = m_code & 0x00007fff; |
| 2659 | result = pb_high | (m_code_high << 1) | pb_low | m_code_low; |
| 2660 | return result; |
| 2661 | |
| 2662 | } |
| 2663 | |
| 2664 | static void |
| 2665 | s7_gen_insn_frag (struct s7_score_it *part_1, struct s7_score_it *part_2) |
| 2666 | { |
| 2667 | char *p; |
| 2668 | bfd_boolean pce_p = FALSE; |
| 2669 | int relaxable_p = s7_g_opt; |
| 2670 | int relax_size = 0; |
| 2671 | struct s7_score_it *inst1 = part_1; |
| 2672 | struct s7_score_it *inst2 = part_2; |
| 2673 | struct s7_score_it backup_inst1; |
| 2674 | |
| 2675 | pce_p = (inst2) ? TRUE : FALSE; |
| 2676 | memcpy (&backup_inst1, inst1, sizeof (struct s7_score_it)); |
| 2677 | |
| 2678 | /* Adjust instruction opcode and to be relaxed instruction opcode. */ |
| 2679 | if (pce_p) |
| 2680 | { |
| 2681 | backup_inst1.instruction = ((backup_inst1.instruction & 0x7FFF) << 15) |
| 2682 | | (inst2->instruction & 0x7FFF); |
| 2683 | backup_inst1.instruction = s7_adjust_paritybit (backup_inst1.instruction, INSN_CLASS_PCE); |
| 2684 | if (!target_big_endian) |
| 2685 | { |
| 2686 | unsigned long tmp = backup_inst1.instruction; |
| 2687 | backup_inst1.instruction = ((tmp & 0xffff) << 16) |
| 2688 | | (tmp >> 16); |
| 2689 | } |
| 2690 | backup_inst1.relax_inst = 0x8000; |
| 2691 | backup_inst1.size = s7_INSN_SIZE; |
| 2692 | backup_inst1.relax_size = 0; |
| 2693 | backup_inst1.type = Insn_Type_PCE; |
| 2694 | } |
| 2695 | else |
| 2696 | { |
| 2697 | backup_inst1.instruction = s7_adjust_paritybit (backup_inst1.instruction, |
| 2698 | s7_GET_INSN_CLASS (backup_inst1.type)); |
| 2699 | } |
| 2700 | |
| 2701 | if (backup_inst1.relax_size != 0) |
| 2702 | { |
| 2703 | enum insn_class tmp; |
| 2704 | |
| 2705 | tmp = (backup_inst1.size == s7_INSN_SIZE) ? INSN_CLASS_16 : INSN_CLASS_32; |
| 2706 | backup_inst1.relax_inst = s7_adjust_paritybit (backup_inst1.relax_inst, tmp); |
| 2707 | } |
| 2708 | |
| 2709 | /* Check data dependency. */ |
| 2710 | s7_handle_dependency (&backup_inst1); |
| 2711 | |
| 2712 | /* Start a new frag if frag_now is not empty and is not instruction frag, maybe it contains |
| 2713 | data produced by .ascii etc. Doing this is to make one instruction per frag. */ |
| 2714 | if (frag_now_fix () != 0) |
| 2715 | { |
| 2716 | if (!frag_now->tc_frag_data.is_insn) |
| 2717 | frag_wane (frag_now); |
| 2718 | |
| 2719 | frag_new (0); |
| 2720 | } |
| 2721 | |
| 2722 | /* Here, we must call frag_grow in order to keep the instruction frag type is |
| 2723 | rs_machine_dependent. |
| 2724 | For, frag_var may change frag_now->fr_type to rs_fill by calling frag_grow which |
| 2725 | actually will call frag_wane. |
| 2726 | Calling frag_grow first will create a new frag_now which free size is 20 that is enough |
| 2727 | for frag_var. */ |
| 2728 | frag_grow (20); |
| 2729 | |
| 2730 | p = frag_more (backup_inst1.size); |
| 2731 | s7_number_to_chars (p, backup_inst1.instruction, backup_inst1.size); |
| 2732 | |
| 2733 | #ifdef OBJ_ELF |
| 2734 | dwarf2_emit_insn (backup_inst1.size); |
| 2735 | #endif |
| 2736 | |
| 2737 | /* Generate fixup structure. */ |
| 2738 | if (pce_p) |
| 2739 | { |
| 2740 | if (inst1->reloc.type != BFD_RELOC_NONE) |
| 2741 | s7_fix_new_score (frag_now, p - frag_now->fr_literal, |
| 2742 | inst1->size, &inst1->reloc.exp, |
| 2743 | inst1->reloc.pc_rel, inst1->reloc.type); |
| 2744 | |
| 2745 | if (inst2->reloc.type != BFD_RELOC_NONE) |
| 2746 | s7_fix_new_score (frag_now, p - frag_now->fr_literal + 2, |
| 2747 | inst2->size, &inst2->reloc.exp, inst2->reloc.pc_rel, inst2->reloc.type); |
| 2748 | } |
| 2749 | else |
| 2750 | { |
| 2751 | if (backup_inst1.reloc.type != BFD_RELOC_NONE) |
| 2752 | s7_fix_new_score (frag_now, p - frag_now->fr_literal, |
| 2753 | backup_inst1.size, &backup_inst1.reloc.exp, |
| 2754 | backup_inst1.reloc.pc_rel, backup_inst1.reloc.type); |
| 2755 | } |
| 2756 | |
| 2757 | /* relax_size may be 2, 4, 12 or 0, 0 indicates no relaxation. */ |
| 2758 | relaxable_p &= (backup_inst1.relax_size != 0); |
| 2759 | relax_size = relaxable_p ? backup_inst1.relax_size : 0; |
| 2760 | |
| 2761 | p = frag_var (rs_machine_dependent, relax_size + s7_RELAX_PAD_BYTE, 0, |
| 2762 | s7_RELAX_ENCODE (backup_inst1.size, backup_inst1.relax_size, |
| 2763 | backup_inst1.type, 0, 0, relaxable_p), |
| 2764 | backup_inst1.reloc.exp.X_add_symbol, 0, NULL); |
| 2765 | |
| 2766 | if (relaxable_p) |
| 2767 | s7_number_to_chars (p, backup_inst1.relax_inst, relax_size); |
| 2768 | |
| 2769 | memcpy (inst1, &backup_inst1, sizeof (struct s7_score_it)); |
| 2770 | } |
| 2771 | |
| 2772 | static void |
| 2773 | s7_parse_16_32_inst (char *insnstr, bfd_boolean gen_frag_p) |
| 2774 | { |
| 2775 | char c; |
| 2776 | char *p; |
| 2777 | char *operator = insnstr; |
| 2778 | const struct s7_asm_opcode *opcode; |
| 2779 | |
| 2780 | /* Parse operator and operands. */ |
| 2781 | s7_skip_whitespace (operator); |
| 2782 | |
| 2783 | for (p = operator; *p != '\0'; p++) |
| 2784 | if ((*p == ' ') || (*p == '!')) |
| 2785 | break; |
| 2786 | |
| 2787 | if (*p == '!') |
| 2788 | p++; |
| 2789 | |
| 2790 | c = *p; |
| 2791 | *p = '\0'; |
| 2792 | |
| 2793 | opcode = (const struct s7_asm_opcode *) str_hash_find (s7_score_ops_hsh, |
| 2794 | operator); |
| 2795 | *p = c; |
| 2796 | |
| 2797 | memset (&s7_inst, '\0', sizeof (s7_inst)); |
| 2798 | strcpy (s7_inst.str, insnstr); |
| 2799 | if (opcode) |
| 2800 | { |
| 2801 | s7_inst.instruction = opcode->value; |
| 2802 | s7_inst.relax_inst = opcode->relax_value; |
| 2803 | s7_inst.type = opcode->type; |
| 2804 | s7_inst.size = s7_GET_INSN_SIZE (s7_inst.type); |
| 2805 | s7_inst.relax_size = 0; |
| 2806 | s7_inst.bwarn = 0; |
| 2807 | strcpy (s7_inst.name, opcode->template_name); |
| 2808 | strcpy (s7_inst.reg, ""); |
| 2809 | s7_inst.error = NULL; |
| 2810 | s7_inst.reloc.type = BFD_RELOC_NONE; |
| 2811 | |
| 2812 | (*opcode->parms) (p); |
| 2813 | |
| 2814 | /* It indicates current instruction is a macro instruction if s7_inst.bwarn equals -1. */ |
| 2815 | if ((s7_inst.bwarn != -1) && (!s7_inst.error) && (gen_frag_p)) |
| 2816 | s7_gen_insn_frag (&s7_inst, NULL); |
| 2817 | } |
| 2818 | else |
| 2819 | s7_inst.error = _("unrecognized opcode"); |
| 2820 | } |
| 2821 | |
| 2822 | static int |
| 2823 | s7_append_insn (char *str, bfd_boolean gen_frag_p) |
| 2824 | { |
| 2825 | int retval = s7_SUCCESS; |
| 2826 | |
| 2827 | s7_parse_16_32_inst (str, gen_frag_p); |
| 2828 | |
| 2829 | if (s7_inst.error) |
| 2830 | { |
| 2831 | retval = (int) s7_FAIL; |
| 2832 | as_bad (_("%s -- `%s'"), s7_inst.error, s7_inst.str); |
| 2833 | s7_inst.error = NULL; |
| 2834 | } |
| 2835 | |
| 2836 | return retval; |
| 2837 | } |
| 2838 | |
| 2839 | /* Handle mv! reg_high, reg_low; |
| 2840 | mv! reg_low, reg_high; |
| 2841 | mv! reg_low, reg_low; */ |
| 2842 | static void |
| 2843 | s7_do16_mv_rdrs (char *str) |
| 2844 | { |
| 2845 | int reg_rd; |
| 2846 | int reg_rs; |
| 2847 | char *backupstr = NULL; |
| 2848 | |
| 2849 | backupstr = str; |
| 2850 | s7_skip_whitespace (str); |
| 2851 | |
| 2852 | if ((reg_rd = s7_reg_required_here (&str, 8, s7_REG_TYPE_SCORE)) == (int) s7_FAIL |
| 2853 | || s7_skip_past_comma (&str) == (int) s7_FAIL |
| 2854 | || (reg_rs = s7_reg_required_here (&str, 4, s7_REG_TYPE_SCORE)) == (int) s7_FAIL |
| 2855 | || s7_end_of_line (str) == (int) s7_FAIL) |
| 2856 | { |
| 2857 | return; |
| 2858 | } |
| 2859 | else |
| 2860 | { |
| 2861 | /* Case 1 : mv! or mlfh!. */ |
| 2862 | if (reg_rd < 16) |
| 2863 | { |
| 2864 | if (reg_rs < 16) |
| 2865 | { |
| 2866 | s7_inst.relax_inst |= (((s7_inst.instruction >> 8) & 0xf) << 20) |
| 2867 | | (((s7_inst.instruction >> 4) & 0xf) << 15) | (0xf << 10); |
| 2868 | s7_inst.relax_size = 4; |
| 2869 | } |
| 2870 | else |
| 2871 | { |
| 2872 | char append_str[s7_MAX_LITERAL_POOL_SIZE]; |
| 2873 | |
| 2874 | sprintf (append_str, "mlfh! %s", backupstr); |
| 2875 | if (s7_append_insn (append_str, TRUE) == (int) s7_FAIL) |
| 2876 | return; |
| 2877 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ |
| 2878 | s7_inst.bwarn = -1; |
| 2879 | } |
| 2880 | } |
| 2881 | /* Case 2 : mhfl!. */ |
| 2882 | else |
| 2883 | { |
| 2884 | if (reg_rs > 16) |
| 2885 | { |
| 2886 | s7_SET_INSN_ERROR (s7_BAD_ARGS); |
| 2887 | return; |
| 2888 | } |
| 2889 | else |
| 2890 | { |
| 2891 | char append_str[s7_MAX_LITERAL_POOL_SIZE]; |
| 2892 | |
| 2893 | sprintf (append_str, "mhfl! %s", backupstr); |
| 2894 | if (s7_append_insn (append_str, TRUE) == (int) s7_FAIL) |
| 2895 | return; |
| 2896 | |
| 2897 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ |
| 2898 | s7_inst.bwarn = -1; |
| 2899 | } |
| 2900 | } |
| 2901 | } |
| 2902 | } |
| 2903 | |
| 2904 | static void |
| 2905 | s7_do16_rdi4 (char *str) |
| 2906 | { |
| 2907 | s7_skip_whitespace (str); |
| 2908 | |
| 2909 | if (s7_reglow_required_here (&str, 8) == (int) s7_FAIL |
| 2910 | || s7_skip_past_comma (&str) == (int) s7_FAIL |
| 2911 | || s7_data_op2 (&str, 3, _IMM4) == (int) s7_FAIL |
| 2912 | || s7_end_of_line (str) == (int) s7_FAIL) |
| 2913 | { |
| 2914 | return; |
| 2915 | } |
| 2916 | else |
| 2917 | { |
| 2918 | if (((s7_inst.instruction >> 3) & 0x10) == 0) /* for judge is addei or subei : bit 5 =0 : addei */ |
| 2919 | { |
| 2920 | if (((s7_inst.instruction >> 3) & 0xf) != 0xf) |
| 2921 | { |
| 2922 | s7_inst.relax_inst |= (((s7_inst.instruction >> 8) & 0xf) << 20) |
| 2923 | | ((1 << ((s7_inst.instruction >> 3) & 0xf)) << 1); |
| 2924 | s7_inst.relax_size = 4; |
| 2925 | } |
| 2926 | else |
| 2927 | { |
| 2928 | s7_inst.relax_inst = 0x8000; |
| 2929 | } |
| 2930 | } |
| 2931 | else |
| 2932 | { |
| 2933 | if (((s7_inst.instruction >> 3) & 0xf) != 0xf) |
| 2934 | { |
| 2935 | s7_inst.relax_inst |= (((s7_inst.instruction >> 8) & 0xf) << 20) |
| 2936 | | (((-(1 << ((s7_inst.instruction >> 3) & 0xf))) & 0xffff) << 1); |
| 2937 | s7_inst.relax_size = 4; |
| 2938 | } |
| 2939 | else |
| 2940 | { |
| 2941 | s7_inst.relax_inst = 0x8000; |
| 2942 | } |
| 2943 | } |
| 2944 | } |
| 2945 | } |
| 2946 | |
| 2947 | static void |
| 2948 | s7_do16_rdi5 (char *str) |
| 2949 | { |
| 2950 | s7_skip_whitespace (str); |
| 2951 | |
| 2952 | if (s7_reglow_required_here (&str, 8) == (int) s7_FAIL |
| 2953 | || s7_skip_past_comma (&str) == (int) s7_FAIL |
| 2954 | || s7_data_op2 (&str, 3, _IMM5) == (int) s7_FAIL |
| 2955 | || s7_end_of_line (str) == (int) s7_FAIL) |
| 2956 | return; |
| 2957 | else |
| 2958 | { |
| 2959 | s7_inst.relax_inst |= (((s7_inst.instruction >> 8) & 0xf) << 20) |
| 2960 | | (((s7_inst.instruction >> 8) & 0xf) << 15) | (((s7_inst.instruction >> 3) & 0x1f) << 10); |
| 2961 | s7_inst.relax_size = 4; |
| 2962 | } |
| 2963 | } |
| 2964 | |
| 2965 | /* Handle sdbbp. */ |
| 2966 | |
| 2967 | static void |
| 2968 | s7_do16_xi5 (char *str) |
| 2969 | { |
| 2970 | s7_skip_whitespace (str); |
| 2971 | |
| 2972 | if (s7_data_op2 (&str, 3, _IMM5) == (int) s7_FAIL || s7_end_of_line (str) == (int) s7_FAIL) |
| 2973 | return; |
| 2974 | else |
| 2975 | { |
| 2976 | s7_inst.relax_inst |= (((s7_inst.instruction >> 3) & 0x1f) << 15); |
| 2977 | s7_inst.relax_size = 4; |
| 2978 | } |
| 2979 | } |
| 2980 | |
| 2981 | /* Check that an immediate is word alignment or half word alignment. |
| 2982 | If so, convert it to the right format. */ |
| 2983 | |
| 2984 | static int |
| 2985 | s7_validate_immediate_align (int val, unsigned int data_type) |
| 2986 | { |
| 2987 | if (data_type == _IMM5_RSHIFT_1) |
| 2988 | { |
| 2989 | if (val % 2) |
| 2990 | { |
| 2991 | s7_inst.error = _("address offset must be half word alignment"); |
| 2992 | return (int) s7_FAIL; |
| 2993 | } |
| 2994 | } |
| 2995 | else if ((data_type == _IMM5_RSHIFT_2) || (data_type == _IMM10_RSHIFT_2)) |
| 2996 | { |
| 2997 | if (val % 4) |
| 2998 | { |
| 2999 | s7_inst.error = _("address offset must be word alignment"); |
| 3000 | return (int) s7_FAIL; |
| 3001 | } |
| 3002 | } |
| 3003 | |
| 3004 | return s7_SUCCESS; |
| 3005 | } |
| 3006 | |
| 3007 | static int |
| 3008 | s7_exp_ldst_offset (char **str, int shift, unsigned int data_type) |
| 3009 | { |
| 3010 | char *dataptr; |
| 3011 | int hex_p = 0; |
| 3012 | |
| 3013 | dataptr = * str; |
| 3014 | |
| 3015 | if ((dataptr != NULL) |
| 3016 | && (((strstr (dataptr, "0x")) != NULL) |
| 3017 | || ((strstr (dataptr, "0X")) != NULL))) |
| 3018 | { |
| 3019 | hex_p = 1; |
| 3020 | if ((data_type != _SIMM16_LA) |
| 3021 | && (data_type != _VALUE_HI16) |
| 3022 | && (data_type != _VALUE_LO16) |
| 3023 | && (data_type != _IMM16) |
| 3024 | && (data_type != _IMM15) |
| 3025 | && (data_type != _IMM14) |
| 3026 | && (data_type != _IMM4) |
| 3027 | && (data_type != _IMM5) |
| 3028 | && (data_type != _IMM8) |
| 3029 | && (data_type != _IMM5_RSHIFT_1) |
| 3030 | && (data_type != _IMM5_RSHIFT_2) |
| 3031 | && (data_type != _SIMM12) |
| 3032 | && (data_type != _SIMM15) |
| 3033 | && (data_type != _SIMM14_NEG) |
| 3034 | && (data_type != _IMM10_RSHIFT_2)) |
| 3035 | { |
| 3036 | data_type += 24; |
| 3037 | } |
| 3038 | } |
| 3039 | |
| 3040 | if (s7_my_get_expression (&s7_inst.reloc.exp, str) == (int) s7_FAIL) |
| 3041 | return (int) s7_FAIL; |
| 3042 | |
| 3043 | if (s7_inst.reloc.exp.X_op == O_constant) |
| 3044 | { |
| 3045 | /* Need to check the immediate align. */ |
| 3046 | int value = s7_validate_immediate_align (s7_inst.reloc.exp.X_add_number, data_type); |
| 3047 | |
| 3048 | if (value == (int) s7_FAIL) |
| 3049 | return (int) s7_FAIL; |
| 3050 | |
| 3051 | value = s7_validate_immediate (s7_inst.reloc.exp.X_add_number, data_type, hex_p); |
| 3052 | if (value == (int) s7_FAIL) |
| 3053 | { |
| 3054 | if (data_type < 30) |
| 3055 | sprintf (s7_err_msg, |
| 3056 | _("invalid constant: %d bit expression not in range %d..%d"), |
| 3057 | s7_score_df_range[data_type].bits, |
| 3058 | s7_score_df_range[data_type].range[0], s7_score_df_range[data_type].range[1]); |
| 3059 | else |
| 3060 | sprintf (s7_err_msg, |
| 3061 | _("invalid constant: %d bit expression not in range %d..%d"), |
| 3062 | s7_score_df_range[data_type - 24].bits, |
| 3063 | s7_score_df_range[data_type - 24].range[0], s7_score_df_range[data_type - 24].range[1]); |
| 3064 | s7_inst.error = s7_err_msg; |
| 3065 | return (int) s7_FAIL; |
| 3066 | } |
| 3067 | |
| 3068 | if (data_type == _IMM5_RSHIFT_1) |
| 3069 | { |
| 3070 | value >>= 1; |
| 3071 | } |
| 3072 | else if ((data_type == _IMM5_RSHIFT_2) || (data_type == _IMM10_RSHIFT_2)) |
| 3073 | { |
| 3074 | value >>= 2; |
| 3075 | } |
| 3076 | |
| 3077 | if (s7_score_df_range[data_type].range[0] != 0) |
| 3078 | { |
| 3079 | value &= (1 << s7_score_df_range[data_type].bits) - 1; |
| 3080 | } |
| 3081 | |
| 3082 | s7_inst.instruction |= value << shift; |
| 3083 | } |
| 3084 | else |
| 3085 | { |
| 3086 | s7_inst.reloc.pc_rel = 0; |
| 3087 | } |
| 3088 | |
| 3089 | return s7_SUCCESS; |
| 3090 | } |
| 3091 | |
| 3092 | static void |
| 3093 | s7_do_ldst_insn (char *str) |
| 3094 | { |
| 3095 | int pre_inc = 0; |
| 3096 | int conflict_reg; |
| 3097 | int value; |
| 3098 | char * temp; |
| 3099 | char *dataptr; |
| 3100 | int reg; |
| 3101 | int ldst_idx = 0; |
| 3102 | |
| 3103 | int hex_p = 0; |
| 3104 | |
| 3105 | s7_skip_whitespace (str); |
| 3106 | |
| 3107 | if (((conflict_reg = s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE)) == (int) s7_FAIL) |
| 3108 | || (s7_skip_past_comma (&str) == (int) s7_FAIL)) |
| 3109 | return; |
| 3110 | |
| 3111 | /* ld/sw rD, [rA, simm15] ld/sw rD, [rA]+, simm12 ld/sw rD, [rA, simm12]+. */ |
| 3112 | if (*str == '[') |
| 3113 | { |
| 3114 | str++; |
| 3115 | s7_skip_whitespace (str); |
| 3116 | |
| 3117 | if ((reg = s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE)) == (int) s7_FAIL) |
| 3118 | return; |
| 3119 | |
| 3120 | /* Conflicts can occur on stores as well as loads. */ |
| 3121 | conflict_reg = (conflict_reg == reg); |
| 3122 | s7_skip_whitespace (str); |
| 3123 | temp = str + 1; /* The latter will process decimal/hex expression. */ |
| 3124 | |
| 3125 | /* ld/sw rD, [rA]+, simm12 ld/sw rD, [rA]+. */ |
| 3126 | if (*str == ']') |
| 3127 | { |
| 3128 | str++; |
| 3129 | if (*str == '+') |
| 3130 | { |
| 3131 | str++; |
| 3132 | /* ld/sw rD, [rA]+, simm12. */ |
| 3133 | if (s7_skip_past_comma (&str) == s7_SUCCESS) |
| 3134 | { |
| 3135 | if ((s7_exp_ldst_offset (&str, 3, _SIMM12) == (int) s7_FAIL) |
| 3136 | || (s7_end_of_line (str) == (int) s7_FAIL)) |
| 3137 | return; |
| 3138 | |
| 3139 | if (conflict_reg) |
| 3140 | { |
| 3141 | unsigned int ldst_func = s7_inst.instruction & OPC_PSEUDOLDST_MASK; |
| 3142 | |
| 3143 | if ((ldst_func == INSN_LH) |
| 3144 | || (ldst_func == INSN_LHU) |
| 3145 | || (ldst_func == INSN_LW) |
| 3146 | || (ldst_func == INSN_LB) |
| 3147 | || (ldst_func == INSN_LBU)) |
| 3148 | { |
| 3149 | s7_inst.error = _("register same as write-back base"); |
| 3150 | return; |
| 3151 | } |
| 3152 | } |
| 3153 | |
| 3154 | ldst_idx = s7_inst.instruction & OPC_PSEUDOLDST_MASK; |
| 3155 | s7_inst.instruction &= ~OPC_PSEUDOLDST_MASK; |
| 3156 | s7_inst.instruction |= s7_score_ldst_insns[ldst_idx * 3 + LDST_POST].value; |
| 3157 | |
| 3158 | /* lw rD, [rA]+, 4 convert to pop rD, [rA]. */ |
| 3159 | if ((s7_inst.instruction & 0x3e000007) == 0x0e000000) |
| 3160 | { |
| 3161 | /* rs = r0-r7, offset = 4 */ |
| 3162 | if ((((s7_inst.instruction >> 15) & 0x18) == 0) |
| 3163 | && (((s7_inst.instruction >> 3) & 0xfff) == 4)) |
| 3164 | { |
| 3165 | /* Relax to pophi. */ |
| 3166 | if ((((s7_inst.instruction >> 20) & 0x10) == 0x10)) |
| 3167 | { |
| 3168 | s7_inst.relax_inst = 0x0000200a | (((s7_inst.instruction >> 20) & 0xf) |
| 3169 | << 8) | 1 << 7 | |
| 3170 | (((s7_inst.instruction >> 15) & 0x7) << 4); |
| 3171 | } |
| 3172 | /* Relax to pop. */ |
| 3173 | else |
| 3174 | { |
| 3175 | s7_inst.relax_inst = 0x0000200a | (((s7_inst.instruction >> 20) & 0xf) |
| 3176 | << 8) | 0 << 7 | |
| 3177 | (((s7_inst.instruction >> 15) & 0x7) << 4); |
| 3178 | } |
| 3179 | s7_inst.relax_size = 2; |
| 3180 | } |
| 3181 | } |
| 3182 | return; |
| 3183 | } |
| 3184 | /* ld/sw rD, [rA]+ convert to ld/sw rD, [rA, 0]+. */ |
| 3185 | else |
| 3186 | { |
| 3187 | s7_SET_INSN_ERROR (NULL); |
| 3188 | if (s7_end_of_line (str) == (int) s7_FAIL) |
| 3189 | { |
| 3190 | return; |
| 3191 | } |
| 3192 | |
| 3193 | pre_inc = 1; |
| 3194 | value = s7_validate_immediate (s7_inst.reloc.exp.X_add_number, _SIMM12, 0); |
| 3195 | value &= (1 << s7_score_df_range[_SIMM12].bits) - 1; |
| 3196 | ldst_idx = s7_inst.instruction & OPC_PSEUDOLDST_MASK; |
| 3197 | s7_inst.instruction &= ~OPC_PSEUDOLDST_MASK; |
| 3198 | s7_inst.instruction |= s7_score_ldst_insns[ldst_idx * 3 + pre_inc].value; |
| 3199 | s7_inst.instruction |= value << 3; |
| 3200 | s7_inst.relax_inst = 0x8000; |
| 3201 | return; |
| 3202 | } |
| 3203 | } |
| 3204 | /* ld/sw rD, [rA] convert to ld/sw rD, [rA, simm15]. */ |
| 3205 | else |
| 3206 | { |
| 3207 | if (s7_end_of_line (str) == (int) s7_FAIL) |
| 3208 | return; |
| 3209 | |
| 3210 | ldst_idx = s7_inst.instruction & OPC_PSEUDOLDST_MASK; |
| 3211 | s7_inst.instruction &= ~OPC_PSEUDOLDST_MASK; |
| 3212 | s7_inst.instruction |= s7_score_ldst_insns[ldst_idx * 3 + LDST_NOUPDATE].value; |
| 3213 | |
| 3214 | /* lbu rd, [rs] -> lbu! rd, [rs] */ |
| 3215 | if (ldst_idx == INSN_LBU) |
| 3216 | { |
| 3217 | s7_inst.relax_inst = INSN16_LBU; |
| 3218 | } |
| 3219 | else if (ldst_idx == INSN_LH) |
| 3220 | { |
| 3221 | s7_inst.relax_inst = INSN16_LH; |
| 3222 | } |
| 3223 | else if (ldst_idx == INSN_LW) |
| 3224 | { |
| 3225 | s7_inst.relax_inst = INSN16_LW; |
| 3226 | } |
| 3227 | else if (ldst_idx == INSN_SB) |
| 3228 | { |
| 3229 | s7_inst.relax_inst = INSN16_SB; |
| 3230 | } |
| 3231 | else if (ldst_idx == INSN_SH) |
| 3232 | { |
| 3233 | s7_inst.relax_inst = INSN16_SH; |
| 3234 | } |
| 3235 | else if (ldst_idx == INSN_SW) |
| 3236 | { |
| 3237 | s7_inst.relax_inst = INSN16_SW; |
| 3238 | } |
| 3239 | else |
| 3240 | { |
| 3241 | s7_inst.relax_inst = 0x8000; |
| 3242 | } |
| 3243 | |
| 3244 | /* lw/lh/lbu/sw/sh/sb, offset = 0, relax to 16 bit instruction. */ |
| 3245 | if ((ldst_idx == INSN_LBU) |
| 3246 | || (ldst_idx == INSN_LH) |
| 3247 | || (ldst_idx == INSN_LW) |
| 3248 | || (ldst_idx == INSN_SB) || (ldst_idx == INSN_SH) || (ldst_idx == INSN_SW)) |
| 3249 | { |
| 3250 | if ((((s7_inst.instruction >> 15) & 0x10) == 0) && (((s7_inst.instruction >> 20) & 0x10) == 0)) |
| 3251 | { |
| 3252 | s7_inst.relax_inst |= (2 << 12) | (((s7_inst.instruction >> 20) & 0xf) << 8) | |
| 3253 | (((s7_inst.instruction >> 15) & 0xf) << 4); |
| 3254 | s7_inst.relax_size = 2; |
| 3255 | } |
| 3256 | } |
| 3257 | |
| 3258 | return; |
| 3259 | } |
| 3260 | } |
| 3261 | /* ld/sw rD, [rA, simm15] ld/sw rD, [rA, simm12]+. */ |
| 3262 | else |
| 3263 | { |
| 3264 | if (s7_skip_past_comma (&str) == (int) s7_FAIL) |
| 3265 | { |
| 3266 | s7_inst.error = _("pre-indexed expression expected"); |
| 3267 | return; |
| 3268 | } |
| 3269 | |
| 3270 | if (s7_my_get_expression (&s7_inst.reloc.exp, &str) == (int) s7_FAIL) |
| 3271 | return; |
| 3272 | |
| 3273 | s7_skip_whitespace (str); |
| 3274 | if (*str++ != ']') |
| 3275 | { |
| 3276 | s7_inst.error = _("missing ]"); |
| 3277 | return; |
| 3278 | } |
| 3279 | |
| 3280 | s7_skip_whitespace (str); |
| 3281 | /* ld/sw rD, [rA, simm12]+. */ |
| 3282 | if (*str == '+') |
| 3283 | { |
| 3284 | str++; |
| 3285 | pre_inc = 1; |
| 3286 | if (conflict_reg) |
| 3287 | { |
| 3288 | unsigned int ldst_func = s7_inst.instruction & OPC_PSEUDOLDST_MASK; |
| 3289 | |
| 3290 | if ((ldst_func == INSN_LH) |
| 3291 | || (ldst_func == INSN_LHU) |
| 3292 | || (ldst_func == INSN_LW) |
| 3293 | || (ldst_func == INSN_LB) |
| 3294 | || (ldst_func == INSN_LBU)) |
| 3295 | { |
| 3296 | s7_inst.error = _("register same as write-back base"); |
| 3297 | return; |
| 3298 | } |
| 3299 | } |
| 3300 | } |
| 3301 | |
| 3302 | if (s7_end_of_line (str) == (int) s7_FAIL) |
| 3303 | return; |
| 3304 | |
| 3305 | if (s7_inst.reloc.exp.X_op == O_constant) |
| 3306 | { |
| 3307 | unsigned int data_type; |
| 3308 | |
| 3309 | if (pre_inc == 1) |
| 3310 | data_type = _SIMM12; |
| 3311 | else |
| 3312 | data_type = _SIMM15; |
| 3313 | dataptr = temp; |
| 3314 | |
| 3315 | if ((dataptr != NULL) |
| 3316 | && (((strstr (dataptr, "0x")) != NULL) |
| 3317 | || ((strstr (dataptr, "0X")) != NULL))) |
| 3318 | { |
| 3319 | hex_p = 1; |
| 3320 | if ((data_type != _SIMM16_LA) |
| 3321 | && (data_type != _VALUE_HI16) |
| 3322 | && (data_type != _VALUE_LO16) |
| 3323 | && (data_type != _IMM16) |
| 3324 | && (data_type != _IMM15) |
| 3325 | && (data_type != _IMM14) |
| 3326 | && (data_type != _IMM4) |
| 3327 | && (data_type != _IMM5) |
| 3328 | && (data_type != _IMM8) |
| 3329 | && (data_type != _SIMM12) |
| 3330 | && (data_type != _SIMM15) |
| 3331 | && (data_type != _IMM5_RSHIFT_1) |
| 3332 | && (data_type != _IMM5_RSHIFT_2) |
| 3333 | && (data_type != _SIMM14_NEG) |
| 3334 | && (data_type != _IMM10_RSHIFT_2)) |
| 3335 | { |
| 3336 | data_type += 24; |
| 3337 | } |
| 3338 | } |
| 3339 | |
| 3340 | value = s7_validate_immediate (s7_inst.reloc.exp.X_add_number, data_type, hex_p); |
| 3341 | if (value == (int) s7_FAIL) |
| 3342 | { |
| 3343 | if (data_type < 30) |
| 3344 | sprintf (s7_err_msg, |
| 3345 | _("invalid constant: %d bit expression not in range %d..%d"), |
| 3346 | s7_score_df_range[data_type].bits, |
| 3347 | s7_score_df_range[data_type].range[0], s7_score_df_range[data_type].range[1]); |
| 3348 | else |
| 3349 | sprintf (s7_err_msg, |
| 3350 | _("invalid constant: %d bit expression not in range %d..%d"), |
| 3351 | s7_score_df_range[data_type - 24].bits, |
| 3352 | s7_score_df_range[data_type - 24].range[0], |
| 3353 | s7_score_df_range[data_type - 24].range[1]); |
| 3354 | s7_inst.error = s7_err_msg; |
| 3355 | return; |
| 3356 | } |
| 3357 | |
| 3358 | value &= (1 << s7_score_df_range[data_type].bits) - 1; |
| 3359 | ldst_idx = s7_inst.instruction & OPC_PSEUDOLDST_MASK; |
| 3360 | s7_inst.instruction &= ~OPC_PSEUDOLDST_MASK; |
| 3361 | s7_inst.instruction |= s7_score_ldst_insns[ldst_idx * 3 + pre_inc].value; |
| 3362 | if (pre_inc == 1) |
| 3363 | s7_inst.instruction |= value << 3; |
| 3364 | else |
| 3365 | s7_inst.instruction |= value; |
| 3366 | |
| 3367 | /* lw rD, [rA, simm15] */ |
| 3368 | if ((s7_inst.instruction & 0x3e000000) == 0x20000000) |
| 3369 | { |
| 3370 | /* Both rD and rA are in [r0 - r15]. */ |
| 3371 | if ((((s7_inst.instruction >> 15) & 0x10) == 0) |
| 3372 | && (((s7_inst.instruction >> 20) & 0x10) == 0)) |
| 3373 | { |
| 3374 | /* simm15 = 0, lw -> lw!. */ |
| 3375 | if ((s7_inst.instruction & 0x7fff) == 0) |
| 3376 | { |
| 3377 | s7_inst.relax_inst |= (((s7_inst.instruction >> 15) & 0xf) << 4) |
| 3378 | | (((s7_inst.instruction >> 20) & 0xf) << 8); |
| 3379 | s7_inst.relax_size = 2; |
| 3380 | } |
| 3381 | /* rA = r2, lw -> lwp!. */ |
| 3382 | else if ((((s7_inst.instruction >> 15) & 0xf) == 2) |
| 3383 | && ((s7_inst.instruction & 0x3) == 0) |
| 3384 | && ((s7_inst.instruction & 0x7fff) < 128)) |
| 3385 | { |
| 3386 | s7_inst.relax_inst = 0x7000 | (((s7_inst.instruction >> 20) & 0xf) << 8) |
| 3387 | | (((s7_inst.instruction & 0x7fff) >> 2) << 3); |
| 3388 | s7_inst.relax_size = 2; |
| 3389 | } |
| 3390 | else |
| 3391 | { |
| 3392 | s7_inst.relax_inst = 0x8000; |
| 3393 | } |
| 3394 | } |
| 3395 | else |
| 3396 | { |
| 3397 | s7_inst.relax_inst = 0x8000; |
| 3398 | } |
| 3399 | } |
| 3400 | /* sw rD, [rA, simm15] */ |
| 3401 | else if ((s7_inst.instruction & 0x3e000000) == 0x28000000) |
| 3402 | { |
| 3403 | /* Both rD and rA are in [r0 - r15]. */ |
| 3404 | if ((((s7_inst.instruction >> 15) & 0x10) == 0) && (((s7_inst.instruction >> 20) & 0x10) == 0)) |
| 3405 | { |
| 3406 | /* simm15 = 0, sw -> sw!. */ |
| 3407 | if ((s7_inst.instruction & 0x7fff) == 0) |
| 3408 | { |
| 3409 | s7_inst.relax_inst |= (((s7_inst.instruction >> 15) & 0xf) << 4) |
| 3410 | | (((s7_inst.instruction >> 20) & 0xf) << 8); |
| 3411 | s7_inst.relax_size = 2; |
| 3412 | } |
| 3413 | /* rA = r2, sw -> swp!. */ |
| 3414 | else if ((((s7_inst.instruction >> 15) & 0xf) == 2) |
| 3415 | && ((s7_inst.instruction & 0x3) == 0) |
| 3416 | && ((s7_inst.instruction & 0x7fff) < 128)) |
| 3417 | { |
| 3418 | s7_inst.relax_inst = 0x7004 | (((s7_inst.instruction >> 20) & 0xf) << 8) |
| 3419 | | (((s7_inst.instruction & 0x7fff) >> 2) << 3); |
| 3420 | s7_inst.relax_size = 2; |
| 3421 | } |
| 3422 | else |
| 3423 | { |
| 3424 | s7_inst.relax_inst = 0x8000; |
| 3425 | } |
| 3426 | } |
| 3427 | else |
| 3428 | { |
| 3429 | s7_inst.relax_inst = 0x8000; |
| 3430 | } |
| 3431 | } |
| 3432 | /* sw rD, [rA, simm15]+ sw pre. */ |
| 3433 | else if ((s7_inst.instruction & 0x3e000007) == 0x06000004) |
| 3434 | { |
| 3435 | /* rA is in [r0 - r7], and simm15 = -4. */ |
| 3436 | if ((((s7_inst.instruction >> 15) & 0x18) == 0) |
| 3437 | && (((s7_inst.instruction >> 3) & 0xfff) == 0xffc)) |
| 3438 | { |
| 3439 | /* sw -> pushhi!. */ |
| 3440 | if ((((s7_inst.instruction >> 20) & 0x10) == 0x10)) |
| 3441 | { |
| 3442 | s7_inst.relax_inst = 0x0000200e | (((s7_inst.instruction >> 20) & 0xf) << 8) |
| 3443 | | 1 << 7 | (((s7_inst.instruction >> 15) & 0x7) << 4); |
| 3444 | s7_inst.relax_size = 2; |
| 3445 | } |
| 3446 | /* sw -> push!. */ |
| 3447 | else |
| 3448 | { |
| 3449 | s7_inst.relax_inst = 0x0000200e | (((s7_inst.instruction >> 20) & 0xf) << 8) |
| 3450 | | 0 << 7 | (((s7_inst.instruction >> 15) & 0x7) << 4); |
| 3451 | s7_inst.relax_size = 2; |
| 3452 | } |
| 3453 | } |
| 3454 | else |
| 3455 | { |
| 3456 | s7_inst.relax_inst = 0x8000; |
| 3457 | } |
| 3458 | } |
| 3459 | /* lh rD, [rA, simm15] */ |
| 3460 | else if ((s7_inst.instruction & 0x3e000000) == 0x22000000) |
| 3461 | { |
| 3462 | /* Both rD and rA are in [r0 - r15]. */ |
| 3463 | if ((((s7_inst.instruction >> 15) & 0x10) == 0) && (((s7_inst.instruction >> 20) & 0x10) == 0)) |
| 3464 | { |
| 3465 | /* simm15 = 0, lh -> lh!. */ |
| 3466 | if ((s7_inst.instruction & 0x7fff) == 0) |
| 3467 | { |
| 3468 | s7_inst.relax_inst |= (((s7_inst.instruction >> 15) & 0xf) << 4) |
| 3469 | | (((s7_inst.instruction >> 20) & 0xf) << 8); |
| 3470 | s7_inst.relax_size = 2; |
| 3471 | } |
| 3472 | /* rA = r2, lh -> lhp!. */ |
| 3473 | else if ((((s7_inst.instruction >> 15) & 0xf) == 2) |
| 3474 | && ((s7_inst.instruction & 0x1) == 0) |
| 3475 | && ((s7_inst.instruction & 0x7fff) < 64)) |
| 3476 | { |
| 3477 | s7_inst.relax_inst = 0x7001 | (((s7_inst.instruction >> 20) & 0xf) << 8) |
| 3478 | | (((s7_inst.instruction & 0x7fff) >> 1) << 3); |
| 3479 | s7_inst.relax_size = 2; |
| 3480 | } |
| 3481 | else |
| 3482 | { |
| 3483 | s7_inst.relax_inst = 0x8000; |
| 3484 | } |
| 3485 | } |
| 3486 | else |
| 3487 | { |
| 3488 | s7_inst.relax_inst = 0x8000; |
| 3489 | } |
| 3490 | } |
| 3491 | /* sh rD, [rA, simm15] */ |
| 3492 | else if ((s7_inst.instruction & 0x3e000000) == 0x2a000000) |
| 3493 | { |
| 3494 | /* Both rD and rA are in [r0 - r15]. */ |
| 3495 | if ((((s7_inst.instruction >> 15) & 0x10) == 0) && (((s7_inst.instruction >> 20) & 0x10) == 0)) |
| 3496 | { |
| 3497 | /* simm15 = 0, sh -> sh!. */ |
| 3498 | if ((s7_inst.instruction & 0x7fff) == 0) |
| 3499 | { |
| 3500 | s7_inst.relax_inst |= (((s7_inst.instruction >> 15) & 0xf) << 4) |
| 3501 | | (((s7_inst.instruction >> 20) & 0xf) << 8); |
| 3502 | s7_inst.relax_size = 2; |
| 3503 | } |
| 3504 | /* rA = r2, sh -> shp!. */ |
| 3505 | else if ((((s7_inst.instruction >> 15) & 0xf) == 2) |
| 3506 | && ((s7_inst.instruction & 0x1) == 0) |
| 3507 | && ((s7_inst.instruction & 0x7fff) < 64)) |
| 3508 | { |
| 3509 | s7_inst.relax_inst = 0x7005 | (((s7_inst.instruction >> 20) & 0xf) << 8) |
| 3510 | | (((s7_inst.instruction & 0x7fff) >> 1) << 3); |
| 3511 | s7_inst.relax_size = 2; |
| 3512 | } |
| 3513 | else |
| 3514 | { |
| 3515 | s7_inst.relax_inst = 0x8000; |
| 3516 | } |
| 3517 | } |
| 3518 | else |
| 3519 | { |
| 3520 | s7_inst.relax_inst = 0x8000; |
| 3521 | } |
| 3522 | } |
| 3523 | /* lbu rD, [rA, simm15] */ |
| 3524 | else if ((s7_inst.instruction & 0x3e000000) == 0x2c000000) |
| 3525 | { |
| 3526 | /* Both rD and rA are in [r0 - r15]. */ |
| 3527 | if ((((s7_inst.instruction >> 15) & 0x10) == 0) && (((s7_inst.instruction >> 20) & 0x10) == 0)) |
| 3528 | { |
| 3529 | /* simm15 = 0, lbu -> lbu!. */ |
| 3530 | if ((s7_inst.instruction & 0x7fff) == 0) |
| 3531 | { |
| 3532 | s7_inst.relax_inst |= (((s7_inst.instruction >> 15) & 0xf) << 4) |
| 3533 | | (((s7_inst.instruction >> 20) & 0xf) << 8); |
| 3534 | s7_inst.relax_size = 2; |
| 3535 | } |
| 3536 | /* rA = r2, lbu -> lbup!. */ |
| 3537 | else if ((((s7_inst.instruction >> 15) & 0xf) == 2) |
| 3538 | && ((s7_inst.instruction & 0x7fff) < 32)) |
| 3539 | { |
| 3540 | s7_inst.relax_inst = 0x7003 | (((s7_inst.instruction >> 20) & 0xf) << 8) |
| 3541 | | ((s7_inst.instruction & 0x7fff) << 3); |
| 3542 | s7_inst.relax_size = 2; |
| 3543 | } |
| 3544 | else |
| 3545 | { |
| 3546 | s7_inst.relax_inst = 0x8000; |
| 3547 | } |
| 3548 | } |
| 3549 | else |
| 3550 | { |
| 3551 | s7_inst.relax_inst = 0x8000; |
| 3552 | } |
| 3553 | } |
| 3554 | /* sb rD, [rA, simm15] */ |
| 3555 | else if ((s7_inst.instruction & 0x3e000000) == 0x2e000000) |
| 3556 | { |
| 3557 | /* Both rD and rA are in [r0 - r15]. */ |
| 3558 | if ((((s7_inst.instruction >> 15) & 0x10) == 0) && (((s7_inst.instruction >> 20) & 0x10) == 0)) |
| 3559 | { |
| 3560 | /* simm15 = 0, sb -> sb!. */ |
| 3561 | if ((s7_inst.instruction & 0x7fff) == 0) |
| 3562 | { |
| 3563 | s7_inst.relax_inst |= (((s7_inst.instruction >> 15) & 0xf) << 4) |
| 3564 | | (((s7_inst.instruction >> 20) & 0xf) << 8); |
| 3565 | s7_inst.relax_size = 2; |
| 3566 | } |
| 3567 | /* rA = r2, sb -> sb!. */ |
| 3568 | else if ((((s7_inst.instruction >> 15) & 0xf) == 2) |
| 3569 | && ((s7_inst.instruction & 0x7fff) < 32)) |
| 3570 | { |
| 3571 | s7_inst.relax_inst = 0x7007 | (((s7_inst.instruction >> 20) & 0xf) << 8) |
| 3572 | | ((s7_inst.instruction & 0x7fff) << 3); |
| 3573 | s7_inst.relax_size = 2; |
| 3574 | } |
| 3575 | else |
| 3576 | { |
| 3577 | s7_inst.relax_inst = 0x8000; |
| 3578 | } |
| 3579 | } |
| 3580 | else |
| 3581 | { |
| 3582 | s7_inst.relax_inst = 0x8000; |
| 3583 | } |
| 3584 | } |
| 3585 | else |
| 3586 | { |
| 3587 | s7_inst.relax_inst = 0x8000; |
| 3588 | } |
| 3589 | |
| 3590 | return; |
| 3591 | } |
| 3592 | else |
| 3593 | { |
| 3594 | /* FIXME: may set error, for there is no ld/sw rD, [rA, label] */ |
| 3595 | s7_inst.reloc.pc_rel = 0; |
| 3596 | } |
| 3597 | } |
| 3598 | } |
| 3599 | else |
| 3600 | { |
| 3601 | s7_inst.error = s7_BAD_ARGS; |
| 3602 | } |
| 3603 | } |
| 3604 | |
| 3605 | /* Handle cache. */ |
| 3606 | static void |
| 3607 | s7_do_cache (char *str) |
| 3608 | { |
| 3609 | s7_skip_whitespace (str); |
| 3610 | |
| 3611 | if ((s7_data_op2 (&str, 20, _IMM5) == (int) s7_FAIL) || (s7_skip_past_comma (&str) == (int) s7_FAIL)) |
| 3612 | { |
| 3613 | return; |
| 3614 | } |
| 3615 | else |
| 3616 | { |
| 3617 | int cache_op; |
| 3618 | |
| 3619 | cache_op = (s7_inst.instruction >> 20) & 0x1F; |
| 3620 | sprintf (s7_inst.name, "cache %d", cache_op); |
| 3621 | } |
| 3622 | |
| 3623 | if (*str == '[') |
| 3624 | { |
| 3625 | str++; |
| 3626 | s7_skip_whitespace (str); |
| 3627 | |
| 3628 | if (s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE) == (int) s7_FAIL) |
| 3629 | return; |
| 3630 | |
| 3631 | s7_skip_whitespace (str); |
| 3632 | |
| 3633 | /* cache op, [rA] */ |
| 3634 | if (s7_skip_past_comma (&str) == (int) s7_FAIL) |
| 3635 | { |
| 3636 | s7_SET_INSN_ERROR (NULL); |
| 3637 | if (*str != ']') |
| 3638 | { |
| 3639 | s7_inst.error = _("missing ]"); |
| 3640 | return; |
| 3641 | } |
| 3642 | str++; |
| 3643 | } |
| 3644 | /* cache op, [rA, simm15] */ |
| 3645 | else |
| 3646 | { |
| 3647 | if (s7_exp_ldst_offset (&str, 0, _SIMM15) == (int) s7_FAIL) |
| 3648 | { |
| 3649 | return; |
| 3650 | } |
| 3651 | |
| 3652 | s7_skip_whitespace (str); |
| 3653 | if (*str++ != ']') |
| 3654 | { |
| 3655 | s7_inst.error = _("missing ]"); |
| 3656 | return; |
| 3657 | } |
| 3658 | } |
| 3659 | |
| 3660 | if (s7_end_of_line (str) == (int) s7_FAIL) |
| 3661 | return; |
| 3662 | } |
| 3663 | else |
| 3664 | { |
| 3665 | s7_inst.error = s7_BAD_ARGS; |
| 3666 | } |
| 3667 | } |
| 3668 | |
| 3669 | static void |
| 3670 | s7_do_crdcrscrsimm5 (char *str) |
| 3671 | { |
| 3672 | char *strbak; |
| 3673 | |
| 3674 | strbak = str; |
| 3675 | s7_skip_whitespace (str); |
| 3676 | |
| 3677 | if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE_CR) == (int) s7_FAIL |
| 3678 | || s7_skip_past_comma (&str) == (int) s7_FAIL |
| 3679 | || s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE_CR) == (int) s7_FAIL |
| 3680 | || s7_skip_past_comma (&str) == (int) s7_FAIL |
| 3681 | || s7_reg_required_here (&str, 10, s7_REG_TYPE_SCORE_CR) == (int) s7_FAIL |
| 3682 | || s7_skip_past_comma (&str) == (int) s7_FAIL) |
| 3683 | { |
| 3684 | str = strbak; |
| 3685 | /* cop1 cop_code20. */ |
| 3686 | if (s7_data_op2 (&str, 5, _IMM20) == (int) s7_FAIL) |
| 3687 | return; |
| 3688 | } |
| 3689 | else |
| 3690 | { |
| 3691 | if (s7_data_op2 (&str, 5, _IMM5) == (int) s7_FAIL) |
| 3692 | return; |
| 3693 | } |
| 3694 | |
| 3695 | s7_end_of_line (str); |
| 3696 | } |
| 3697 | |
| 3698 | /* Handle ldc/stc. */ |
| 3699 | static void |
| 3700 | s7_do_ldst_cop (char *str) |
| 3701 | { |
| 3702 | s7_skip_whitespace (str); |
| 3703 | |
| 3704 | if ((s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE_CR) == (int) s7_FAIL) |
| 3705 | || (s7_skip_past_comma (&str) == (int) s7_FAIL)) |
| 3706 | return; |
| 3707 | |
| 3708 | if (*str == '[') |
| 3709 | { |
| 3710 | str++; |
| 3711 | s7_skip_whitespace (str); |
| 3712 | |
| 3713 | if (s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) == (int) s7_FAIL) |
| 3714 | return; |
| 3715 | |
| 3716 | s7_skip_whitespace (str); |
| 3717 | |
| 3718 | if (*str++ != ']') |
| 3719 | { |
| 3720 | if (s7_exp_ldst_offset (&str, 5, _IMM10_RSHIFT_2) == (int) s7_FAIL) |
| 3721 | return; |
| 3722 | |
| 3723 | s7_skip_whitespace (str); |
| 3724 | if (*str++ != ']') |
| 3725 | { |
| 3726 | s7_inst.error = _("missing ]"); |
| 3727 | return; |
| 3728 | } |
| 3729 | } |
| 3730 | |
| 3731 | s7_end_of_line (str); |
| 3732 | } |
| 3733 | else |
| 3734 | s7_inst.error = s7_BAD_ARGS; |
| 3735 | } |
| 3736 | |
| 3737 | static void |
| 3738 | s7_do16_ldst_insn (char *str) |
| 3739 | { |
| 3740 | s7_skip_whitespace (str); |
| 3741 | |
| 3742 | if ((s7_reglow_required_here (&str, 8) == (int) s7_FAIL) || (s7_skip_past_comma (&str) == (int) s7_FAIL)) |
| 3743 | return; |
| 3744 | |
| 3745 | if (*str == '[') |
| 3746 | { |
| 3747 | int reg; |
| 3748 | |
| 3749 | str++; |
| 3750 | s7_skip_whitespace (str); |
| 3751 | |
| 3752 | if ((reg = s7_reglow_required_here (&str, 4)) == (int) s7_FAIL) |
| 3753 | return; |
| 3754 | |
| 3755 | s7_skip_whitespace (str); |
| 3756 | if (*str++ == ']') |
| 3757 | { |
| 3758 | if (s7_end_of_line (str) == (int) s7_FAIL) |
| 3759 | return; |
| 3760 | else |
| 3761 | { |
| 3762 | s7_inst.relax_inst |= (((s7_inst.instruction >> 8) & 0xf) << 20) |
| 3763 | | (((s7_inst.instruction >> 4) & 0xf) << 15); |
| 3764 | s7_inst.relax_size = 4; |
| 3765 | } |
| 3766 | } |
| 3767 | else |
| 3768 | { |
| 3769 | s7_inst.error = _("missing ]"); |
| 3770 | } |
| 3771 | } |
| 3772 | else |
| 3773 | { |
| 3774 | s7_inst.error = s7_BAD_ARGS; |
| 3775 | } |
| 3776 | } |
| 3777 | |
| 3778 | /* Handle lbup!/lhp!/ldiu!/lwp!/sbp!/shp!/swp!. */ |
| 3779 | |
| 3780 | static void |
| 3781 | s7_do16_ldst_imm_insn (char *str) |
| 3782 | { |
| 3783 | char data_exp[s7_MAX_LITERAL_POOL_SIZE]; |
| 3784 | int reg_rd; |
| 3785 | char *dataptr = NULL, *pp = NULL; |
| 3786 | int cnt = 0; |
| 3787 | int assign_data = (int) s7_FAIL; |
| 3788 | unsigned int ldst_func; |
| 3789 | |
| 3790 | s7_skip_whitespace (str); |
| 3791 | |
| 3792 | if (((reg_rd = s7_reglow_required_here (&str, 8)) == (int) s7_FAIL) |
| 3793 | || (s7_skip_past_comma (&str) == (int) s7_FAIL)) |
| 3794 | return; |
| 3795 | |
| 3796 | s7_skip_whitespace (str); |
| 3797 | dataptr = str; |
| 3798 | |
| 3799 | while ((*dataptr != '\0') && (*dataptr != '|') && (cnt <= s7_MAX_LITERAL_POOL_SIZE)) |
| 3800 | { |
| 3801 | data_exp[cnt] = *dataptr; |
| 3802 | dataptr++; |
| 3803 | cnt++; |
| 3804 | } |
| 3805 | |
| 3806 | data_exp[cnt] = '\0'; |
| 3807 | pp = &data_exp[0]; |
| 3808 | |
| 3809 | str = dataptr; |
| 3810 | |
| 3811 | ldst_func = s7_inst.instruction & LDST16_RI_MASK; |
| 3812 | if (ldst_func == N16_LIU) |
| 3813 | assign_data = s7_exp_ldst_offset (&pp, 0, _IMM8); |
| 3814 | else if (ldst_func == N16_LHP || ldst_func == N16_SHP) |
| 3815 | assign_data = s7_exp_ldst_offset (&pp, 3, _IMM5_RSHIFT_1); |
| 3816 | else if (ldst_func == N16_LWP || ldst_func == N16_SWP) |
| 3817 | assign_data = s7_exp_ldst_offset (&pp, 3, _IMM5_RSHIFT_2); |
| 3818 | else |
| 3819 | assign_data = s7_exp_ldst_offset (&pp, 3, _IMM5); |
| 3820 | |
| 3821 | if ((assign_data == (int) s7_FAIL) || (s7_end_of_line (pp) == (int) s7_FAIL)) |
| 3822 | return; |
| 3823 | else |
| 3824 | { |
| 3825 | if ((s7_inst.instruction & 0x7000) == N16_LIU) |
| 3826 | { |
| 3827 | s7_inst.relax_inst |= ((s7_inst.instruction >> 8) & 0xf) << 20 |
| 3828 | | ((s7_inst.instruction & 0xff) << 1); |
| 3829 | } |
| 3830 | else if (((s7_inst.instruction & 0x7007) == N16_LHP) |
| 3831 | || ((s7_inst.instruction & 0x7007) == N16_SHP)) |
| 3832 | { |
| 3833 | s7_inst.relax_inst |= ((s7_inst.instruction >> 8) & 0xf) << 20 | 2 << 15 |
| 3834 | | (((s7_inst.instruction >> 3) & 0x1f) << 1); |
| 3835 | } |
| 3836 | else if (((s7_inst.instruction & 0x7007) == N16_LWP) |
| 3837 | || ((s7_inst.instruction & 0x7007) == N16_SWP)) |
| 3838 | { |
| 3839 | s7_inst.relax_inst |= ((s7_inst.instruction >> 8) & 0xf) << 20 | 2 << 15 |
| 3840 | | (((s7_inst.instruction >> 3) & 0x1f) << 2); |
| 3841 | } |
| 3842 | else if (((s7_inst.instruction & 0x7007) == N16_LBUP) |
| 3843 | || ((s7_inst.instruction & 0x7007) == N16_SBP)) |
| 3844 | { |
| 3845 | s7_inst.relax_inst |= ((s7_inst.instruction >> 8) & 0xf) << 20 | 2 << 15 |
| 3846 | | (((s7_inst.instruction >> 3) & 0x1f)); |
| 3847 | } |
| 3848 | |
| 3849 | s7_inst.relax_size = 4; |
| 3850 | } |
| 3851 | } |
| 3852 | |
| 3853 | static void |
| 3854 | s7_do16_push_pop (char *str) |
| 3855 | { |
| 3856 | int reg_rd; |
| 3857 | int H_bit_mask = 0; |
| 3858 | |
| 3859 | s7_skip_whitespace (str); |
| 3860 | if (((reg_rd = s7_reg_required_here (&str, 8, s7_REG_TYPE_SCORE)) == (int) s7_FAIL) |
| 3861 | || (s7_skip_past_comma (&str) == (int) s7_FAIL)) |
| 3862 | return; |
| 3863 | |
| 3864 | if (reg_rd >= 16) |
| 3865 | H_bit_mask = 1; |
| 3866 | |
| 3867 | /* s7_reg_required_here will change bit 12 of opcode, so we must restore bit 12. */ |
| 3868 | s7_inst.instruction &= ~(1 << 12); |
| 3869 | |
| 3870 | s7_inst.instruction |= H_bit_mask << 7; |
| 3871 | |
| 3872 | if (*str == '[') |
| 3873 | { |
| 3874 | int reg; |
| 3875 | |
| 3876 | str++; |
| 3877 | s7_skip_whitespace (str); |
| 3878 | if ((reg = s7_reg_required_here (&str, 4, s7_REG_TYPE_SCORE)) == (int) s7_FAIL) |
| 3879 | return; |
| 3880 | else if (reg > 7) |
| 3881 | { |
| 3882 | if (!s7_inst.error) |
| 3883 | s7_inst.error = _("base register nums are over 3 bit"); |
| 3884 | |
| 3885 | return; |
| 3886 | } |
| 3887 | |
| 3888 | s7_skip_whitespace (str); |
| 3889 | if ((*str++ != ']') || (s7_end_of_line (str) == (int) s7_FAIL)) |
| 3890 | { |
| 3891 | if (!s7_inst.error) |
| 3892 | s7_inst.error = _("missing ]"); |
| 3893 | |
| 3894 | return; |
| 3895 | } |
| 3896 | |
| 3897 | /* pop! */ |
| 3898 | if ((s7_inst.instruction & 0xf) == 0xa) |
| 3899 | { |
| 3900 | if (H_bit_mask) |
| 3901 | { |
| 3902 | s7_inst.relax_inst |= ((((s7_inst.instruction >> 8) & 0xf) | 0x10) << 20) |
| 3903 | | (((s7_inst.instruction >> 4) & 0x7) << 15) | (4 << 3); |
| 3904 | } |
| 3905 | else |
| 3906 | { |
| 3907 | s7_inst.relax_inst |= (((s7_inst.instruction >> 8) & 0xf) << 20) |
| 3908 | | (((s7_inst.instruction >> 4) & 0x7) << 15) | (4 << 3); |
| 3909 | } |
| 3910 | } |
| 3911 | /* push! */ |
| 3912 | else |
| 3913 | { |
| 3914 | if (H_bit_mask) |
| 3915 | { |
| 3916 | s7_inst.relax_inst |= ((((s7_inst.instruction >> 8) & 0xf) | 0x10) << 20) |
| 3917 | | (((s7_inst.instruction >> 4) & 0x7) << 15) | (((-4) & 0xfff) << 3); |
| 3918 | } |
| 3919 | else |
| 3920 | { |
| 3921 | s7_inst.relax_inst |= (((s7_inst.instruction >> 8) & 0xf) << 20) |
| 3922 | | (((s7_inst.instruction >> 4) & 0x7) << 15) | (((-4) & 0xfff) << 3); |
| 3923 | } |
| 3924 | } |
| 3925 | s7_inst.relax_size = 4; |
| 3926 | } |
| 3927 | else |
| 3928 | { |
| 3929 | s7_inst.error = s7_BAD_ARGS; |
| 3930 | } |
| 3931 | } |
| 3932 | |
| 3933 | /* Handle lcb/lcw/lce/scb/scw/sce. */ |
| 3934 | static void |
| 3935 | s7_do_ldst_unalign (char *str) |
| 3936 | { |
| 3937 | int conflict_reg; |
| 3938 | |
| 3939 | if (s7_university_version == 1) |
| 3940 | { |
| 3941 | s7_inst.error = s7_ERR_FOR_SCORE5U_ATOMIC; |
| 3942 | return; |
| 3943 | } |
| 3944 | |
| 3945 | s7_skip_whitespace (str); |
| 3946 | |
| 3947 | /* lcb/scb [rA]+. */ |
| 3948 | if (*str == '[') |
| 3949 | { |
| 3950 | str++; |
| 3951 | s7_skip_whitespace (str); |
| 3952 | |
| 3953 | if (s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE) == (int) s7_FAIL) |
| 3954 | return; |
| 3955 | |
| 3956 | if (*str++ == ']') |
| 3957 | { |
| 3958 | if (*str++ != '+') |
| 3959 | { |
| 3960 | s7_inst.error = _("missing +"); |
| 3961 | return; |
| 3962 | } |
| 3963 | } |
| 3964 | else |
| 3965 | { |
| 3966 | s7_inst.error = _("missing ]"); |
| 3967 | return; |
| 3968 | } |
| 3969 | |
| 3970 | if (s7_end_of_line (str) == (int) s7_FAIL) |
| 3971 | return; |
| 3972 | } |
| 3973 | /* lcw/lce/scb/sce rD, [rA]+. */ |
| 3974 | else |
| 3975 | { |
| 3976 | if (((conflict_reg = s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE)) == (int) s7_FAIL) |
| 3977 | || (s7_skip_past_comma (&str) == (int) s7_FAIL)) |
| 3978 | { |
| 3979 | return; |
| 3980 | } |
| 3981 | |
| 3982 | s7_skip_whitespace (str); |
| 3983 | if (*str++ == '[') |
| 3984 | { |
| 3985 | int reg; |
| 3986 | |
| 3987 | s7_skip_whitespace (str); |
| 3988 | if ((reg = s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE)) == (int) s7_FAIL) |
| 3989 | { |
| 3990 | return; |
| 3991 | } |
| 3992 | |
| 3993 | /* Conflicts can occur on stores as well as loads. */ |
| 3994 | conflict_reg = (conflict_reg == reg); |
| 3995 | s7_skip_whitespace (str); |
| 3996 | if (*str++ == ']') |
| 3997 | { |
| 3998 | unsigned int ldst_func = s7_inst.instruction & LDST_UNALIGN_MASK; |
| 3999 | |
| 4000 | if (*str++ == '+') |
| 4001 | { |
| 4002 | if (conflict_reg) |
| 4003 | { |
| 4004 | as_warn (_("%s register same as write-back base"), |
| 4005 | ((ldst_func & UA_LCE) || (ldst_func & UA_LCW) |
| 4006 | ? _("destination") : _("source"))); |
| 4007 | } |
| 4008 | } |
| 4009 | else |
| 4010 | { |
| 4011 | s7_inst.error = _("missing +"); |
| 4012 | return; |
| 4013 | } |
| 4014 | |
| 4015 | if (s7_end_of_line (str) == (int) s7_FAIL) |
| 4016 | return; |
| 4017 | } |
| 4018 | else |
| 4019 | { |
| 4020 | s7_inst.error = _("missing ]"); |
| 4021 | return; |
| 4022 | } |
| 4023 | } |
| 4024 | else |
| 4025 | { |
| 4026 | s7_inst.error = s7_BAD_ARGS; |
| 4027 | return; |
| 4028 | } |
| 4029 | } |
| 4030 | } |
| 4031 | |
| 4032 | /* Handle alw/asw. */ |
| 4033 | |
| 4034 | static void |
| 4035 | s7_do_ldst_atomic (char *str) |
| 4036 | { |
| 4037 | if (s7_university_version == 1) |
| 4038 | { |
| 4039 | s7_inst.error = s7_ERR_FOR_SCORE5U_ATOMIC; |
| 4040 | return; |
| 4041 | } |
| 4042 | |
| 4043 | s7_skip_whitespace (str); |
| 4044 | |
| 4045 | if ((s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE) == (int) s7_FAIL) |
| 4046 | || (s7_skip_past_comma (&str) == (int) s7_FAIL)) |
| 4047 | { |
| 4048 | return; |
| 4049 | } |
| 4050 | else |
| 4051 | { |
| 4052 | |
| 4053 | s7_skip_whitespace (str); |
| 4054 | if (*str++ == '[') |
| 4055 | { |
| 4056 | int reg; |
| 4057 | |
| 4058 | s7_skip_whitespace (str); |
| 4059 | if ((reg = s7_reg_required_here (&str, 15, s7_REG_TYPE_SCORE)) == (int) s7_FAIL) |
| 4060 | { |
| 4061 | return; |
| 4062 | } |
| 4063 | |
| 4064 | s7_skip_whitespace (str); |
| 4065 | if (*str++ != ']') |
| 4066 | { |
| 4067 | s7_inst.error = _("missing ]"); |
| 4068 | return; |
| 4069 | } |
| 4070 | |
| 4071 | s7_end_of_line (str); |
| 4072 | } |
| 4073 | else |
| 4074 | s7_inst.error = s7_BAD_ARGS; |
| 4075 | } |
| 4076 | } |
| 4077 | |
| 4078 | static void |
| 4079 | s7_build_relax_frag (struct s7_score_it fix_insts[s7_RELAX_INST_NUM], |
| 4080 | int fix_num ATTRIBUTE_UNUSED, |
| 4081 | struct s7_score_it var_insts[s7_RELAX_INST_NUM], int var_num, |
| 4082 | symbolS *add_symbol) |
| 4083 | { |
| 4084 | int i; |
| 4085 | char *p; |
| 4086 | fixS *fixp = NULL; |
| 4087 | fixS *cur_fixp = NULL; |
| 4088 | long where; |
| 4089 | struct s7_score_it inst_main; |
| 4090 | |
| 4091 | memcpy (&inst_main, &fix_insts[0], sizeof (struct s7_score_it)); |
| 4092 | |
| 4093 | /* Adjust instruction opcode and to be relaxed instruction opcode. */ |
| 4094 | inst_main.instruction = s7_adjust_paritybit (inst_main.instruction, s7_GET_INSN_CLASS (inst_main.type)); |
| 4095 | inst_main.type = Insn_PIC; |
| 4096 | |
| 4097 | for (i = 0; i < var_num; i++) |
| 4098 | { |
| 4099 | inst_main.relax_size += var_insts[i].size; |
| 4100 | var_insts[i].instruction = s7_adjust_paritybit (var_insts[i].instruction, |
| 4101 | s7_GET_INSN_CLASS (var_insts[i].type)); |
| 4102 | } |
| 4103 | |
| 4104 | /* Check data dependency. */ |
| 4105 | s7_handle_dependency (&inst_main); |
| 4106 | |
| 4107 | /* Start a new frag if frag_now is not empty. */ |
| 4108 | if (frag_now_fix () != 0) |
| 4109 | { |
| 4110 | if (!frag_now->tc_frag_data.is_insn) |
| 4111 | { |
| 4112 | frag_wane (frag_now); |
| 4113 | } |
| 4114 | frag_new (0); |
| 4115 | } |
| 4116 | frag_grow (20); |
| 4117 | |
| 4118 | /* Write fr_fix part. */ |
| 4119 | p = frag_more (inst_main.size); |
| 4120 | s7_number_to_chars (p, inst_main.instruction, inst_main.size); |
| 4121 | |
| 4122 | if (inst_main.reloc.type != BFD_RELOC_NONE) |
| 4123 | fixp = s7_fix_new_score (frag_now, p - frag_now->fr_literal, inst_main.size, |
| 4124 | &inst_main.reloc.exp, inst_main.reloc.pc_rel, inst_main.reloc.type); |
| 4125 | |
| 4126 | frag_now->tc_frag_data.fixp = fixp; |
| 4127 | cur_fixp = frag_now->tc_frag_data.fixp; |
| 4128 | |
| 4129 | #ifdef OBJ_ELF |
| 4130 | dwarf2_emit_insn (inst_main.size); |
| 4131 | #endif |
| 4132 | |
| 4133 | where = p - frag_now->fr_literal + inst_main.size; |
| 4134 | for (i = 0; i < var_num; i++) |
| 4135 | { |
| 4136 | if (i > 0) |
| 4137 | where += var_insts[i - 1].size; |
| 4138 | |
| 4139 | if (var_insts[i].reloc.type != BFD_RELOC_NONE) |
| 4140 | { |
| 4141 | fixp = s7_fix_new_score (frag_now, where, var_insts[i].size, |
| 4142 | &var_insts[i].reloc.exp, var_insts[i].reloc.pc_rel, |
| 4143 | var_insts[i].reloc.type); |
| 4144 | if (fixp) |
| 4145 | { |
| 4146 | if (cur_fixp) |
| 4147 | { |
| 4148 | cur_fixp->fx_next = fixp; |
| 4149 | cur_fixp = cur_fixp->fx_next; |
| 4150 | } |
| 4151 | else |
| 4152 | { |
| 4153 | frag_now->tc_frag_data.fixp = fixp; |
| 4154 | cur_fixp = frag_now->tc_frag_data.fixp; |
| 4155 | } |
| 4156 | } |
| 4157 | } |
| 4158 | } |
| 4159 | |
| 4160 | p = frag_var (rs_machine_dependent, inst_main.relax_size + s7_RELAX_PAD_BYTE, 0, |
| 4161 | s7_RELAX_ENCODE (inst_main.size, inst_main.relax_size, inst_main.type, |
| 4162 | 0, inst_main.size, 0), add_symbol, 0, NULL); |
| 4163 | |
| 4164 | /* Write fr_var part. |
| 4165 | no calling s7_gen_insn_frag, no fixS will be generated. */ |
| 4166 | for (i = 0; i < var_num; i++) |
| 4167 | { |
| 4168 | s7_number_to_chars (p, var_insts[i].instruction, var_insts[i].size); |
| 4169 | p += var_insts[i].size; |
| 4170 | } |
| 4171 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ |
| 4172 | s7_inst.bwarn = -1; |
| 4173 | } |
| 4174 | |
| 4175 | /* Build a relax frag for la instruction when generating s7_PIC, |
| 4176 | external symbol first and local symbol second. */ |
| 4177 | |
| 4178 | static void |
| 4179 | s7_build_la_pic (int reg_rd, expressionS exp) |
| 4180 | { |
| 4181 | symbolS *add_symbol = exp.X_add_symbol; |
| 4182 | offsetT add_number = exp.X_add_number; |
| 4183 | struct s7_score_it fix_insts[s7_RELAX_INST_NUM]; |
| 4184 | struct s7_score_it var_insts[s7_RELAX_INST_NUM]; |
| 4185 | int fix_num = 0; |
| 4186 | int var_num = 0; |
| 4187 | char tmp[s7_MAX_LITERAL_POOL_SIZE]; |
| 4188 | int r1_bak; |
| 4189 | |
| 4190 | r1_bak = s7_nor1; |
| 4191 | s7_nor1 = 0; |
| 4192 | |
| 4193 | if (add_number == 0) |
| 4194 | { |
| 4195 | fix_num = 1; |
| 4196 | var_num = 2; |
| 4197 | |
| 4198 | /* For an external symbol, only one insn is generated; |
| 4199 | For a local symbol, two insns are generated. */ |
| 4200 | /* Fix part |
| 4201 | For an external symbol: lw rD, <sym>($gp) |
| 4202 | (BFD_RELOC_SCORE_GOT15 or BFD_RELOC_SCORE_CALL15) */ |
| 4203 | sprintf (tmp, "lw_pic r%d, %s", reg_rd, S_GET_NAME (add_symbol)); |
| 4204 | if (s7_append_insn (tmp, FALSE) == (int) s7_FAIL) |
| 4205 | return; |
| 4206 | |
| 4207 | if (reg_rd == s7_PIC_CALL_REG) |
| 4208 | s7_inst.reloc.type = BFD_RELOC_SCORE_CALL15; |
| 4209 | memcpy (&fix_insts[0], &s7_inst, sizeof (struct s7_score_it)); |
| 4210 | |
| 4211 | /* Var part |
| 4212 | For a local symbol : |
| 4213 | lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15) |
| 4214 | addi rD, <sym> (BFD_RELOC_GOT_LO16) */ |
| 4215 | s7_inst.reloc.type = BFD_RELOC_SCORE_GOT15; |
| 4216 | memcpy (&var_insts[0], &s7_inst, sizeof (struct s7_score_it)); |
| 4217 | sprintf (tmp, "addi_s_pic r%d, %s", reg_rd, S_GET_NAME (add_symbol)); |
| 4218 | if (s7_append_insn (tmp, FALSE) == (int) s7_FAIL) |
| 4219 | return; |
| 4220 | |
| 4221 | memcpy (&var_insts[1], &s7_inst, sizeof (struct s7_score_it)); |
| 4222 | s7_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol); |
| 4223 | } |
| 4224 | else if (add_number >= -0x8000 && add_number <= 0x7fff) |
| 4225 | { |
| 4226 | /* Insn 1: lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15) */ |
| 4227 | sprintf (tmp, "lw_pic r%d, %s", reg_rd, S_GET_NAME (add_symbol)); |
| 4228 | if (s7_append_insn (tmp, TRUE) == (int) s7_FAIL) |
| 4229 | return; |
| 4230 | |
| 4231 | /* Insn 2 */ |
| 4232 | fix_num = 1; |
| 4233 | var_num = 1; |
| 4234 | /* Fix part |
| 4235 | For an external symbol: addi rD, <constant> */ |
| 4236 | sprintf (tmp, "addi r%d, %d", reg_rd, (int) add_number); |
| 4237 | if (s7_append_insn (tmp, FALSE) == (int) s7_FAIL) |
| 4238 | return; |
| 4239 | |
| 4240 | memcpy (&fix_insts[0], &s7_inst, sizeof (struct s7_score_it)); |
| 4241 | |
| 4242 | /* Var part |
| 4243 | For a local symbol: addi rD, <sym>+<constant> (BFD_RELOC_GOT_LO16) */ |
| 4244 | sprintf (tmp, "addi_s_pic r%d, %s + %d", reg_rd, |
| 4245 | S_GET_NAME (add_symbol), (int) add_number); |
| 4246 | if (s7_append_insn (tmp, FALSE) == (int) s7_FAIL) |
| 4247 | return; |
| 4248 | |
| 4249 | memcpy (&var_insts[0], &s7_inst, sizeof (struct s7_score_it)); |
| 4250 | s7_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol); |
| 4251 | } |
| 4252 | else |
| 4253 | { |
| 4254 | int hi = (add_number >> 16) & 0x0000FFFF; |
| 4255 | int lo = add_number & 0x0000FFFF; |
| 4256 | |
| 4257 | /* Insn 1: lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15) */ |
| 4258 | sprintf (tmp, "lw_pic r%d, %s", reg_rd, S_GET_NAME (add_symbol)); |
| 4259 | if (s7_append_insn (tmp, TRUE) == (int) s7_FAIL) |
| 4260 | return; |
| 4261 | |
| 4262 | /* Insn 2 */ |
| 4263 | fix_num = 1; |
| 4264 | var_num = 1; |
| 4265 | /* Fix part |
| 4266 | For an external symbol: ldis r1, HI%<constant> */ |
| 4267 | sprintf (tmp, "ldis r1, %d", hi); |
| 4268 | if (s7_append_insn (tmp, FALSE) == (int) s7_FAIL) |
| 4269 | return; |
| 4270 | |
| 4271 | memcpy (&fix_insts[0], &s7_inst, sizeof (struct s7_score_it)); |
| 4272 | |
| 4273 | /* Var part |
| 4274 | For a local symbol: ldis r1, HI%<constant> |
| 4275 | but, if lo is out of 16 bit, make hi plus 1 */ |
| 4276 | if ((lo < -0x8000) || (lo > 0x7fff)) |
| 4277 | { |
| 4278 | hi += 1; |
| 4279 | } |
| 4280 | sprintf (tmp, "ldis_pic r1, %d", hi); |
| 4281 | if (s7_append_insn (tmp, FALSE) == (int) s7_FAIL) |
| 4282 | return; |
| 4283 | |
| 4284 | memcpy (&var_insts[0], &s7_inst, sizeof (struct s7_score_it)); |
| 4285 | s7_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol); |
| 4286 | |
| 4287 | /* Insn 3 */ |
| 4288 | fix_num = 1; |
| 4289 | var_num = 1; |
| 4290 | /* Fix part |
| 4291 | For an external symbol: ori r1, LO%<constant> */ |
| 4292 | sprintf (tmp, "ori r1, %d", lo); |
| 4293 | if (s7_append_insn (tmp, FALSE) == (int) s7_FAIL) |
| 4294 | return; |
| 4295 | |
| 4296 | memcpy (&fix_insts[0], &s7_inst, sizeof (struct s7_score_it)); |
| 4297 | |
| 4298 | /* Var part |
| 4299 | For a local symbol: addi r1, <sym>+LO%<constant> (BFD_RELOC_GOT_LO16) */ |
| 4300 | sprintf (tmp, "addi_u_pic r1, %s + %d", S_GET_NAME (add_symbol), lo); |
| 4301 | if (s7_append_insn (tmp, FALSE) == (int) s7_FAIL) |
| 4302 | return; |
| 4303 | |
| 4304 | memcpy (&var_insts[0], &s7_inst, sizeof (struct s7_score_it)); |
| 4305 | s7_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol); |
| 4306 | |
| 4307 | /* Insn 4: add rD, rD, r1 */ |
| 4308 | sprintf (tmp, "add r%d, r%d, r1", reg_rd, reg_rd); |
| 4309 | if (s7_append_insn (tmp, TRUE) == (int) s7_FAIL) |
| 4310 | return; |
| 4311 | |
| 4312 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ |
| 4313 | s7_inst.bwarn = -1; |
| 4314 | } |
| 4315 | |
| 4316 | s7_nor1 = r1_bak; |
| 4317 | } |
| 4318 | |
| 4319 | /* Handle la. */ |
| 4320 | |
| 4321 | static void |
| 4322 | s7_do_macro_la_rdi32 (char *str) |
| 4323 | { |
| 4324 | int reg_rd; |
| 4325 | |
| 4326 | s7_skip_whitespace (str); |
| 4327 | if ((reg_rd = s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE)) == (int) s7_FAIL |
| 4328 | || s7_skip_past_comma (&str) == (int) s7_FAIL) |
| 4329 | { |
| 4330 | return; |
| 4331 | } |
| 4332 | else |
| 4333 | { |
| 4334 | char append_str[s7_MAX_LITERAL_POOL_SIZE]; |
| 4335 | char *keep_data = str; |
| 4336 | |
| 4337 | /* Check immediate value. */ |
| 4338 | if (s7_my_get_expression (&s7_inst.reloc.exp, &str) == (int) s7_FAIL) |
| 4339 | { |
| 4340 | s7_inst.error = _("expression error"); |
| 4341 | return; |
| 4342 | } |
| 4343 | else if ((s7_inst.reloc.exp.X_add_symbol == NULL) |
| 4344 | && (s7_validate_immediate (s7_inst.reloc.exp.X_add_number, _IMM32, 0) == (int) s7_FAIL)) |
| 4345 | { |
| 4346 | s7_inst.error = _("value not in range [0, 0xffffffff]"); |
| 4347 | return; |
| 4348 | } |
| 4349 | |
| 4350 | /* Reset str. */ |
| 4351 | str = keep_data; |
| 4352 | |
| 4353 | /* la rd, simm16. */ |
| 4354 | if (s7_data_op2 (&str, 1, _SIMM16_LA) != (int) s7_FAIL) |
| 4355 | { |
| 4356 | s7_end_of_line (str); |
| 4357 | return; |
| 4358 | } |
| 4359 | /* la rd, imm32 or la rd, label. */ |
| 4360 | else |
| 4361 | { |
| 4362 | s7_SET_INSN_ERROR (NULL); |
| 4363 | str = keep_data; |
| 4364 | if ((s7_data_op2 (&str, 1, _VALUE_HI16) == (int) s7_FAIL) |
| 4365 | || (s7_end_of_line (str) == (int) s7_FAIL)) |
| 4366 | { |
| 4367 | return; |
| 4368 | } |
| 4369 | else |
| 4370 | { |
| 4371 | if ((s7_score_pic == s7_NO_PIC) || (!s7_inst.reloc.exp.X_add_symbol)) |
| 4372 | { |
| 4373 | sprintf (append_str, "ld_i32hi r%d, %s", reg_rd, keep_data); |
| 4374 | if (s7_append_insn (append_str, TRUE) == (int) s7_FAIL) |
| 4375 | return; |
| 4376 | |
| 4377 | sprintf (append_str, "ld_i32lo r%d, %s", reg_rd, keep_data); |
| 4378 | if (s7_append_insn (append_str, TRUE) == (int) s7_FAIL) |
| 4379 | return; |
| 4380 | } |
| 4381 | else |
| 4382 | { |
| 4383 | gas_assert (s7_inst.reloc.exp.X_add_symbol); |
| 4384 | s7_build_la_pic (reg_rd, s7_inst.reloc.exp); |
| 4385 | } |
| 4386 | |
| 4387 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ |
| 4388 | s7_inst.bwarn = -1; |
| 4389 | } |
| 4390 | } |
| 4391 | } |
| 4392 | } |
| 4393 | |
| 4394 | /* Handle li. */ |
| 4395 | |
| 4396 | static void |
| 4397 | s7_do_macro_li_rdi32 (char *str) |
| 4398 | { |
| 4399 | int reg_rd; |
| 4400 | |
| 4401 | s7_skip_whitespace (str); |
| 4402 | if ((reg_rd = s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE)) == (int) s7_FAIL |
| 4403 | || s7_skip_past_comma (&str) == (int) s7_FAIL) |
| 4404 | { |
| 4405 | return; |
| 4406 | } |
| 4407 | else |
| 4408 | { |
| 4409 | char *keep_data = str; |
| 4410 | |
| 4411 | /* Check immediate value. */ |
| 4412 | if (s7_my_get_expression (&s7_inst.reloc.exp, &str) == (int) s7_FAIL) |
| 4413 | { |
| 4414 | s7_inst.error = _("expression error"); |
| 4415 | return; |
| 4416 | } |
| 4417 | else if (!(s7_inst.reloc.exp.X_add_number >= -0xffffffffLL |
| 4418 | && s7_inst.reloc.exp.X_add_number <= 0xffffffffLL)) |
| 4419 | { |
| 4420 | s7_inst.error = _("value not in range [-0xffffffff, 0xffffffff]"); |
| 4421 | return; |
| 4422 | } |
| 4423 | |
| 4424 | /* Reset str. */ |
| 4425 | str = keep_data; |
| 4426 | |
| 4427 | /* li rd, simm16. */ |
| 4428 | if (s7_data_op2 (&str, 1, _SIMM16_LA) != (int) s7_FAIL) |
| 4429 | { |
| 4430 | s7_end_of_line (str); |
| 4431 | return; |
| 4432 | } |
| 4433 | /* li rd, imm32. */ |
| 4434 | else |
| 4435 | { |
| 4436 | char append_str[s7_MAX_LITERAL_POOL_SIZE]; |
| 4437 | |
| 4438 | str = keep_data; |
| 4439 | |
| 4440 | if ((s7_data_op2 (&str, 1, _VALUE_HI16) == (int) s7_FAIL) |
| 4441 | || (s7_end_of_line (str) == (int) s7_FAIL)) |
| 4442 | { |
| 4443 | return; |
| 4444 | } |
| 4445 | else if (s7_inst.reloc.exp.X_add_symbol) |
| 4446 | { |
| 4447 | s7_inst.error = _("li rd label isn't correct instruction form"); |
| 4448 | return; |
| 4449 | } |
| 4450 | else |
| 4451 | { |
| 4452 | sprintf (append_str, "ld_i32hi r%d, %s", reg_rd, keep_data); |
| 4453 | |
| 4454 | if (s7_append_insn (append_str, TRUE) == (int) s7_FAIL) |
| 4455 | return; |
| 4456 | else |
| 4457 | { |
| 4458 | sprintf (append_str, "ld_i32lo r%d, %s", reg_rd, keep_data); |
| 4459 | if (s7_append_insn (append_str, TRUE) == (int) s7_FAIL) |
| 4460 | return; |
| 4461 | |
| 4462 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ |
| 4463 | s7_inst.bwarn = -1; |
| 4464 | } |
| 4465 | } |
| 4466 | } |
| 4467 | } |
| 4468 | } |
| 4469 | |
| 4470 | /* Handle mul/mulu/div/divu/rem/remu. */ |
| 4471 | |
| 4472 | static void |
| 4473 | s7_do_macro_mul_rdrsrs (char *str) |
| 4474 | { |
| 4475 | int reg_rd; |
| 4476 | int reg_rs1; |
| 4477 | int reg_rs2; |
| 4478 | char *backupstr; |
| 4479 | char append_str[s7_MAX_LITERAL_POOL_SIZE]; |
| 4480 | |
| 4481 | if (s7_university_version == 1) |
| 4482 | as_warn ("%s", s7_ERR_FOR_SCORE5U_MUL_DIV); |
| 4483 | |
| 4484 | strcpy (append_str, str); |
| 4485 | backupstr = append_str; |
| 4486 | s7_skip_whitespace (backupstr); |
| 4487 | if (((reg_rd = s7_reg_required_here (&backupstr, -1, s7_REG_TYPE_SCORE)) == (int) s7_FAIL) |
| 4488 | || (s7_skip_past_comma (&backupstr) == (int) s7_FAIL) |
| 4489 | || ((reg_rs1 = s7_reg_required_here (&backupstr, -1, s7_REG_TYPE_SCORE)) == (int) s7_FAIL)) |
| 4490 | { |
| 4491 | s7_inst.error = s7_BAD_ARGS; |
| 4492 | return; |
| 4493 | } |
| 4494 | |
| 4495 | if (s7_skip_past_comma (&backupstr) == (int) s7_FAIL) |
| 4496 | { |
| 4497 | /* rem/remu rA, rB is error format. */ |
| 4498 | if (strcmp (s7_inst.name, "rem") == 0 || strcmp (s7_inst.name, "remu") == 0) |
| 4499 | { |
| 4500 | s7_SET_INSN_ERROR (s7_BAD_ARGS); |
| 4501 | } |
| 4502 | else |
| 4503 | { |
| 4504 | s7_SET_INSN_ERROR (NULL); |
| 4505 | s7_do_rsrs (str); |
| 4506 | } |
| 4507 | return; |
| 4508 | } |
| 4509 | else |
| 4510 | { |
| 4511 | s7_SET_INSN_ERROR (NULL); |
| 4512 | if (((reg_rs2 = s7_reg_required_here (&backupstr, -1, s7_REG_TYPE_SCORE)) == (int) s7_FAIL) |
| 4513 | || (s7_end_of_line (backupstr) == (int) s7_FAIL)) |
| 4514 | { |
| 4515 | return; |
| 4516 | } |
| 4517 | else |
| 4518 | { |
| 4519 | char append_str1[s7_MAX_LITERAL_POOL_SIZE]; |
| 4520 | |
| 4521 | if (strcmp (s7_inst.name, "rem") == 0) |
| 4522 | { |
| 4523 | sprintf (append_str, "mul r%d, r%d", reg_rs1, reg_rs2); |
| 4524 | sprintf (append_str1, "mfceh r%d", reg_rd); |
| 4525 | } |
| 4526 | else if (strcmp (s7_inst.name, "remu") == 0) |
| 4527 | { |
| 4528 | sprintf (append_str, "mulu r%d, r%d", reg_rs1, reg_rs2); |
| 4529 | sprintf (append_str1, "mfceh r%d", reg_rd); |
| 4530 | } |
| 4531 | else |
| 4532 | { |
| 4533 | sprintf (append_str, "%s r%d, r%d", s7_inst.name, reg_rs1, reg_rs2); |
| 4534 | sprintf (append_str1, "mfcel r%d", reg_rd); |
| 4535 | } |
| 4536 | |
| 4537 | /* Output mul/mulu or div/divu or rem/remu. */ |
| 4538 | if (s7_append_insn (append_str, TRUE) == (int) s7_FAIL) |
| 4539 | return; |
| 4540 | |
| 4541 | /* Output mfcel or mfceh. */ |
| 4542 | if (s7_append_insn (append_str1, TRUE) == (int) s7_FAIL) |
| 4543 | return; |
| 4544 | |
| 4545 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ |
| 4546 | s7_inst.bwarn = -1; |
| 4547 | } |
| 4548 | } |
| 4549 | } |
| 4550 | |
| 4551 | static void |
| 4552 | s7_exp_macro_ldst_abs (char *str) |
| 4553 | { |
| 4554 | int reg_rd; |
| 4555 | char *backupstr, *tmp; |
| 4556 | char append_str[s7_MAX_LITERAL_POOL_SIZE]; |
| 4557 | char verifystr[s7_MAX_LITERAL_POOL_SIZE]; |
| 4558 | struct s7_score_it inst_backup; |
| 4559 | int r1_bak = 0; |
| 4560 | |
| 4561 | r1_bak = s7_nor1; |
| 4562 | s7_nor1 = 0; |
| 4563 | memcpy (&inst_backup, &s7_inst, sizeof (struct s7_score_it)); |
| 4564 | |
| 4565 | strcpy (verifystr, str); |
| 4566 | backupstr = verifystr; |
| 4567 | s7_skip_whitespace (backupstr); |
| 4568 | if ((reg_rd = s7_reg_required_here (&backupstr, -1, s7_REG_TYPE_SCORE)) == (int) s7_FAIL) |
| 4569 | return; |
| 4570 | |
| 4571 | tmp = backupstr; |
| 4572 | if (s7_skip_past_comma (&backupstr) == (int) s7_FAIL) |
| 4573 | return; |
| 4574 | |
| 4575 | backupstr = tmp; |
| 4576 | sprintf (append_str, "li r1 %s", backupstr); |
| 4577 | s7_append_insn (append_str, TRUE); |
| 4578 | |
| 4579 | memcpy (&s7_inst, &inst_backup, sizeof (struct s7_score_it)); |
| 4580 | sprintf (append_str, " r%d, [r1,0]", reg_rd); |
| 4581 | s7_do_ldst_insn (append_str); |
| 4582 | |
| 4583 | s7_nor1 = r1_bak; |
| 4584 | } |
| 4585 | |
| 4586 | static int |
| 4587 | s7_nopic_need_relax (symbolS * sym, int before_relaxing) |
| 4588 | { |
| 4589 | if (sym == NULL) |
| 4590 | return 0; |
| 4591 | else if (s7_USE_GLOBAL_POINTER_OPT && s7_g_switch_value > 0) |
| 4592 | { |
| 4593 | const char *symname; |
| 4594 | const char *segname; |
| 4595 | |
| 4596 | /* Find out whether this symbol can be referenced off the $gp |
| 4597 | register. It can be if it is smaller than the -G size or if |
| 4598 | it is in the .sdata or .sbss section. Certain symbols can |
| 4599 | not be referenced off the $gp, although it appears as though |
| 4600 | they can. */ |
| 4601 | symname = S_GET_NAME (sym); |
| 4602 | if (symname != NULL |
| 4603 | && (strcmp (symname, "eprol") == 0 |
| 4604 | || strcmp (symname, "etext") == 0 |
| 4605 | || strcmp (symname, "_gp") == 0 |
| 4606 | || strcmp (symname, "edata") == 0 |
| 4607 | || strcmp (symname, "_fbss") == 0 |
| 4608 | || strcmp (symname, "_fdata") == 0 |
| 4609 | || strcmp (symname, "_ftext") == 0 |
| 4610 | || strcmp (symname, "end") == 0 |
| 4611 | || strcmp (symname, GP_DISP_LABEL) == 0)) |
| 4612 | { |
| 4613 | return 1; |
| 4614 | } |
| 4615 | else if ((!S_IS_DEFINED (sym) || S_IS_COMMON (sym)) && (0 |
| 4616 | /* We must defer this decision until after the whole file has been read, |
| 4617 | since there might be a .extern after the first use of this symbol. */ |
| 4618 | || (before_relaxing |
| 4619 | && S_GET_VALUE (sym) == 0) |
| 4620 | || (S_GET_VALUE (sym) != 0 |
| 4621 | && S_GET_VALUE (sym) <= s7_g_switch_value))) |
| 4622 | { |
| 4623 | return 0; |
| 4624 | } |
| 4625 | |
| 4626 | segname = segment_name (S_GET_SEGMENT (sym)); |
| 4627 | return (strcmp (segname, ".sdata") != 0 |
| 4628 | && strcmp (segname, ".sbss") != 0 |
| 4629 | && strncmp (segname, ".sdata.", 7) != 0 |
| 4630 | && strncmp (segname, ".gnu.linkonce.s.", 16) != 0); |
| 4631 | } |
| 4632 | /* We are not optimizing for the $gp register. */ |
| 4633 | else |
| 4634 | return 1; |
| 4635 | } |
| 4636 | |
| 4637 | /* Build a relax frag for lw/st instruction when generating s7_PIC, |
| 4638 | external symbol first and local symbol second. */ |
| 4639 | |
| 4640 | static void |
| 4641 | s7_build_lwst_pic (int reg_rd, expressionS exp, const char *insn_name) |
| 4642 | { |
| 4643 | symbolS *add_symbol = exp.X_add_symbol; |
| 4644 | int add_number = exp.X_add_number; |
| 4645 | struct s7_score_it fix_insts[s7_RELAX_INST_NUM]; |
| 4646 | struct s7_score_it var_insts[s7_RELAX_INST_NUM]; |
| 4647 | int fix_num = 0; |
| 4648 | int var_num = 0; |
| 4649 | char tmp[s7_MAX_LITERAL_POOL_SIZE]; |
| 4650 | int r1_bak; |
| 4651 | |
| 4652 | r1_bak = s7_nor1; |
| 4653 | s7_nor1 = 0; |
| 4654 | |
| 4655 | if ((add_number == 0) || (add_number >= -0x8000 && add_number <= 0x7fff)) |
| 4656 | { |
| 4657 | fix_num = 1; |
| 4658 | var_num = 2; |
| 4659 | |
| 4660 | /* For an external symbol, two insns are generated; |
| 4661 | For a local symbol, three insns are generated. */ |
| 4662 | /* Fix part |
| 4663 | For an external symbol: lw rD, <sym>($gp) |
| 4664 | (BFD_RELOC_SCORE_GOT15) */ |
| 4665 | sprintf (tmp, "lw_pic r1, %s", S_GET_NAME (add_symbol)); |
| 4666 | if (s7_append_insn (tmp, FALSE) == (int) s7_FAIL) |
| 4667 | return; |
| 4668 | |
| 4669 | memcpy (&fix_insts[0], &s7_inst, sizeof (struct s7_score_it)); |
| 4670 | |
| 4671 | /* Var part |
| 4672 | For a local symbol : |
| 4673 | lw rD, <sym>($gp) (BFD_RELOC_SCORE_GOT15) |
| 4674 | addi rD, <sym> (BFD_RELOC_GOT_LO16) */ |
| 4675 | s7_inst.reloc.type = BFD_RELOC_SCORE_GOT15; |
| 4676 | memcpy (&var_insts[0], &s7_inst, sizeof (struct s7_score_it)); |
| 4677 | sprintf (tmp, "addi_s_pic r1, %s", S_GET_NAME (add_symbol)); |
| 4678 | if (s7_append_insn (tmp, FALSE) == (int) s7_FAIL) |
| 4679 | return; |
| 4680 | |
| 4681 | memcpy (&var_insts[1], &s7_inst, sizeof (struct s7_score_it)); |
| 4682 | s7_build_relax_frag (fix_insts, fix_num, var_insts, var_num, add_symbol); |
| 4683 | |
| 4684 | /* Insn 2 or Insn 3: lw/st rD, [r1, constant] */ |
| 4685 | sprintf (tmp, "%s r%d, [r1, %d]", insn_name, reg_rd, add_number); |
| 4686 | if (s7_append_insn (tmp, TRUE) == (int) s7_FAIL) |
| 4687 | return; |
| 4688 | |
| 4689 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ |
| 4690 | s7_inst.bwarn = -1; |
| 4691 | } |
| 4692 | else |
| 4693 | { |
| 4694 | s7_inst.error = _("PIC code offset overflow (max 16 signed bits)"); |
| 4695 | return; |
| 4696 | } |
| 4697 | |
| 4698 | s7_nor1 = r1_bak; |
| 4699 | } |
| 4700 | |
| 4701 | static void |
| 4702 | s7_do_macro_ldst_label (char *str) |
| 4703 | { |
| 4704 | int i; |
| 4705 | int ldst_gp_p = 0; |
| 4706 | int reg_rd; |
| 4707 | int r1_bak; |
| 4708 | char *backup_str; |
| 4709 | char *label_str; |
| 4710 | char *absolute_value; |
| 4711 | char append_str[3][s7_MAX_LITERAL_POOL_SIZE]; |
| 4712 | char verifystr[s7_MAX_LITERAL_POOL_SIZE]; |
| 4713 | struct s7_score_it inst_backup; |
| 4714 | struct s7_score_it inst_expand[3]; |
| 4715 | struct s7_score_it inst_main; |
| 4716 | |
| 4717 | memcpy (&inst_backup, &s7_inst, sizeof (struct s7_score_it)); |
| 4718 | strcpy (verifystr, str); |
| 4719 | backup_str = verifystr; |
| 4720 | |
| 4721 | s7_skip_whitespace (backup_str); |
| 4722 | if ((reg_rd = s7_reg_required_here (&backup_str, -1, s7_REG_TYPE_SCORE)) == (int) s7_FAIL) |
| 4723 | return; |
| 4724 | |
| 4725 | if (s7_skip_past_comma (&backup_str) == (int) s7_FAIL) |
| 4726 | return; |
| 4727 | |
| 4728 | label_str = backup_str; |
| 4729 | |
| 4730 | /* Ld/st rD, [rA, imm] ld/st rD, [rA]+, imm ld/st rD, [rA, imm]+. */ |
| 4731 | if (*backup_str == '[') |
| 4732 | { |
| 4733 | s7_inst.type = Rd_rvalueRs_preSI12; |
| 4734 | s7_do_ldst_insn (str); |
| 4735 | return; |
| 4736 | } |
| 4737 | |
| 4738 | /* Ld/st rD, imm. */ |
| 4739 | absolute_value = backup_str; |
| 4740 | s7_inst.type = Rd_rvalueRs_SI15; |
| 4741 | |
| 4742 | if (s7_my_get_expression (&s7_inst.reloc.exp, &backup_str) == (int) s7_FAIL) |
| 4743 | { |
| 4744 | s7_inst.error = _("expression error"); |
| 4745 | return; |
| 4746 | } |
| 4747 | else if ((s7_inst.reloc.exp.X_add_symbol == NULL) |
| 4748 | && (s7_validate_immediate (s7_inst.reloc.exp.X_add_number, _VALUE, 0) == (int) s7_FAIL)) |
| 4749 | { |
| 4750 | s7_inst.error = _("value not in range [0, 0x7fffffff]"); |
| 4751 | return; |
| 4752 | } |
| 4753 | else if (s7_end_of_line (backup_str) == (int) s7_FAIL) |
| 4754 | { |
| 4755 | s7_inst.error = _("end on line error"); |
| 4756 | return; |
| 4757 | } |
| 4758 | else |
| 4759 | { |
| 4760 | if (s7_inst.reloc.exp.X_add_symbol == 0) |
| 4761 | { |
| 4762 | memcpy (&s7_inst, &inst_backup, sizeof (struct s7_score_it)); |
| 4763 | s7_exp_macro_ldst_abs (str); |
| 4764 | return; |
| 4765 | } |
| 4766 | } |
| 4767 | |
| 4768 | /* Ld/st rD, label. */ |
| 4769 | s7_inst.type = Rd_rvalueRs_SI15; |
| 4770 | backup_str = absolute_value; |
| 4771 | if ((s7_data_op2 (&backup_str, 1, _GP_IMM15) == (int) s7_FAIL) |
| 4772 | || (s7_end_of_line (backup_str) == (int) s7_FAIL)) |
| 4773 | { |
| 4774 | return; |
| 4775 | } |
| 4776 | else |
| 4777 | { |
| 4778 | if (s7_inst.reloc.exp.X_add_symbol == 0) |
| 4779 | { |
| 4780 | if (!s7_inst.error) |
| 4781 | s7_inst.error = s7_BAD_ARGS; |
| 4782 | |
| 4783 | return; |
| 4784 | } |
| 4785 | |
| 4786 | if (s7_score_pic == s7_PIC) |
| 4787 | { |
| 4788 | int ldst_idx = 0; |
| 4789 | ldst_idx = s7_inst.instruction & OPC_PSEUDOLDST_MASK; |
| 4790 | s7_build_lwst_pic (reg_rd, s7_inst.reloc.exp, |
| 4791 | s7_score_ldst_insns[ldst_idx * 3 + 0].template_name); |
| 4792 | return; |
| 4793 | } |
| 4794 | else |
| 4795 | { |
| 4796 | if ((s7_inst.reloc.exp.X_add_number <= 0x3fff) |
| 4797 | && (s7_inst.reloc.exp.X_add_number >= -0x4000) |
| 4798 | && (!s7_nopic_need_relax (s7_inst.reloc.exp.X_add_symbol, 1))) |
| 4799 | { |
| 4800 | int ldst_idx = 0; |
| 4801 | |
| 4802 | /* Assign the real opcode. */ |
| 4803 | ldst_idx = s7_inst.instruction & OPC_PSEUDOLDST_MASK; |
| 4804 | s7_inst.instruction &= ~OPC_PSEUDOLDST_MASK; |
| 4805 | s7_inst.instruction |= s7_score_ldst_insns[ldst_idx * 3 + 0].value; |
| 4806 | s7_inst.instruction |= reg_rd << 20; |
| 4807 | s7_inst.instruction |= s7_GP << 15; |
| 4808 | s7_inst.relax_inst = 0x8000; |
| 4809 | s7_inst.relax_size = 0; |
| 4810 | ldst_gp_p = 1; |
| 4811 | } |
| 4812 | } |
| 4813 | } |
| 4814 | |
| 4815 | /* Backup s7_inst. */ |
| 4816 | memcpy (&inst_main, &s7_inst, sizeof (struct s7_score_it)); |
| 4817 | r1_bak = s7_nor1; |
| 4818 | s7_nor1 = 0; |
| 4819 | |
| 4820 | /* Determine which instructions should be output. */ |
| 4821 | sprintf (append_str[0], "ld_i32hi r1, %s", label_str); |
| 4822 | sprintf (append_str[1], "ld_i32lo r1, %s", label_str); |
| 4823 | sprintf (append_str[2], "%s r%d, [r1, 0]", inst_backup.name, reg_rd); |
| 4824 | |
| 4825 | /* Generate three instructions. |
| 4826 | la r1, label |
| 4827 | ld/st rd, [r1, 0] */ |
| 4828 | for (i = 0; i < 3; i++) |
| 4829 | { |
| 4830 | if (s7_append_insn (append_str[i], FALSE) == (int) s7_FAIL) |
| 4831 | return; |
| 4832 | |
| 4833 | memcpy (&inst_expand[i], &s7_inst, sizeof (struct s7_score_it)); |
| 4834 | } |
| 4835 | |
| 4836 | if (ldst_gp_p) |
| 4837 | { |
| 4838 | char *p; |
| 4839 | |
| 4840 | /* Adjust instruction opcode and to be relaxed instruction opcode. */ |
| 4841 | inst_main.instruction = s7_adjust_paritybit (inst_main.instruction, s7_GET_INSN_CLASS (inst_main.type)); |
| 4842 | inst_main.relax_size = inst_expand[0].size + inst_expand[1].size + inst_expand[2].size; |
| 4843 | inst_main.type = Insn_GP; |
| 4844 | |
| 4845 | for (i = 0; i < 3; i++) |
| 4846 | inst_expand[i].instruction = s7_adjust_paritybit (inst_expand[i].instruction |
| 4847 | , s7_GET_INSN_CLASS (inst_expand[i].type)); |
| 4848 | |
| 4849 | /* Check data dependency. */ |
| 4850 | s7_handle_dependency (&inst_main); |
| 4851 | |
| 4852 | /* Start a new frag if frag_now is not empty. */ |
| 4853 | if (frag_now_fix () != 0) |
| 4854 | { |
| 4855 | if (!frag_now->tc_frag_data.is_insn) |
| 4856 | frag_wane (frag_now); |
| 4857 | |
| 4858 | frag_new (0); |
| 4859 | } |
| 4860 | frag_grow (20); |
| 4861 | |
| 4862 | /* Write fr_fix part. */ |
| 4863 | p = frag_more (inst_main.size); |
| 4864 | s7_number_to_chars (p, inst_main.instruction, inst_main.size); |
| 4865 | |
| 4866 | if (inst_main.reloc.type != BFD_RELOC_NONE) |
| 4867 | { |
| 4868 | s7_fix_new_score (frag_now, p - frag_now->fr_literal, inst_main.size, |
| 4869 | &inst_main.reloc.exp, inst_main.reloc.pc_rel, inst_main.reloc.type); |
| 4870 | } |
| 4871 | |
| 4872 | #ifdef OBJ_ELF |
| 4873 | dwarf2_emit_insn (inst_main.size); |
| 4874 | #endif |
| 4875 | |
| 4876 | /* s7_GP instruction can not do optimization, only can do relax between |
| 4877 | 1 instruction and 3 instructions. */ |
| 4878 | p = frag_var (rs_machine_dependent, inst_main.relax_size + s7_RELAX_PAD_BYTE, 0, |
| 4879 | s7_RELAX_ENCODE (inst_main.size, inst_main.relax_size, inst_main.type, 0, 4, 0), |
| 4880 | inst_main.reloc.exp.X_add_symbol, 0, NULL); |
| 4881 | |
| 4882 | /* Write fr_var part. |
| 4883 | no calling s7_gen_insn_frag, no fixS will be generated. */ |
| 4884 | s7_number_to_chars (p, inst_expand[0].instruction, inst_expand[0].size); |
| 4885 | p += inst_expand[0].size; |
| 4886 | s7_number_to_chars (p, inst_expand[1].instruction, inst_expand[1].size); |
| 4887 | p += inst_expand[1].size; |
| 4888 | s7_number_to_chars (p, inst_expand[2].instruction, inst_expand[2].size); |
| 4889 | } |
| 4890 | else |
| 4891 | { |
| 4892 | s7_gen_insn_frag (&inst_expand[0], NULL); |
| 4893 | s7_gen_insn_frag (&inst_expand[1], NULL); |
| 4894 | s7_gen_insn_frag (&inst_expand[2], NULL); |
| 4895 | } |
| 4896 | s7_nor1 = r1_bak; |
| 4897 | |
| 4898 | /* Set bwarn as -1, so macro instruction itself will not be generated frag. */ |
| 4899 | s7_inst.bwarn = -1; |
| 4900 | } |
| 4901 | |
| 4902 | static void |
| 4903 | s7_do_lw_pic (char *str) |
| 4904 | { |
| 4905 | int reg_rd; |
| 4906 | |
| 4907 | s7_skip_whitespace (str); |
| 4908 | if (((reg_rd = s7_reg_required_here (&str, 20, s7_REG_TYPE_SCORE)) == (int) s7_FAIL) |
| 4909 | || (s7_skip_past_comma (&str) == (int) s7_FAIL) |
| 4910 | || (s7_my_get_expression (&s7_inst.reloc.exp, &str) == (int) s7_FAIL) |
| 4911 | || (s7_end_of_line (str) == (int) s7_FAIL)) |
| 4912 | { |
| 4913 | return; |
| 4914 | } |
| 4915 | else |
| 4916 | { |
| 4917 | if (s7_inst.reloc.exp.X_add_symbol == 0) |
| 4918 | { |
| 4919 | if (!s7_inst.error) |
| 4920 | s7_inst.error = s7_BAD_ARGS; |
| 4921 | |
| 4922 | return; |
| 4923 | } |
| 4924 | |
| 4925 | s7_inst.instruction |= s7_GP << 15; |
| 4926 | s7_inst.reloc.type = BFD_RELOC_SCORE_GOT15; |
| 4927 | } |
| 4928 | } |
| 4929 | |
| 4930 | static void |
| 4931 | s7_do_empty (char *str) |
| 4932 | { |
| 4933 | str = str; |
| 4934 | if (s7_university_version == 1) |
| 4935 | { |
| 4936 | if (((s7_inst.instruction & 0x3e0003ff) == 0x0c000004) |
| 4937 | || ((s7_inst.instruction & 0x3e0003ff) == 0x0c000024) |
| 4938 | || ((s7_inst.instruction & 0x3e0003ff) == 0x0c000044) |
| 4939 | || ((s7_inst.instruction & 0x3e0003ff) == 0x0c000064)) |
| 4940 | { |
| 4941 | s7_inst.error = s7_ERR_FOR_SCORE5U_MMU; |
| 4942 | return; |
| 4943 | } |
| 4944 | } |
| 4945 | if (s7_end_of_line (str) == (int) s7_FAIL) |
| 4946 | return; |
| 4947 | |
| 4948 | if (s7_inst.relax_inst != 0x8000) |
| 4949 | { |
| 4950 | if (s7_inst.type == NO_OPD) |
| 4951 | { |
| 4952 | s7_inst.relax_size = 2; |
| 4953 | } |
| 4954 | else |
| 4955 | { |
| 4956 | s7_inst.relax_size = 4; |
| 4957 | } |
| 4958 | } |
| 4959 | } |
| 4960 | |
| 4961 | static void |
| 4962 | s7_do_jump (char *str) |
| 4963 | { |
| 4964 | char *save_in; |
| 4965 | |
| 4966 | s7_skip_whitespace (str); |
| 4967 | if (s7_my_get_expression (&s7_inst.reloc.exp, &str) == (int) s7_FAIL |
| 4968 | || s7_end_of_line (str) == (int) s7_FAIL) |
| 4969 | return; |
| 4970 | |
| 4971 | if (s7_inst.reloc.exp.X_add_symbol == 0) |
| 4972 | { |
| 4973 | s7_inst.error = _("lacking label "); |
| 4974 | return; |
| 4975 | } |
| 4976 | |
| 4977 | if (!(s7_inst.reloc.exp.X_add_number >= -16777216 |
| 4978 | && s7_inst.reloc.exp.X_add_number <= 16777215)) |
| 4979 | { |
| 4980 | s7_inst.error = _("invalid constant: 25 bit expression not in range [-16777216, 16777215]"); |
| 4981 | return; |
| 4982 | } |
| 4983 | |
| 4984 | save_in = input_line_pointer; |
| 4985 | input_line_pointer = str; |
| 4986 | s7_inst.reloc.type = BFD_RELOC_SCORE_JMP; |
| 4987 | s7_inst.reloc.pc_rel = 1; |
| 4988 | input_line_pointer = save_in; |
| 4989 | } |
| 4990 | |
| 4991 | static void |
| 4992 | s7_do16_jump (char *str) |
| 4993 | { |
| 4994 | s7_skip_whitespace (str); |
| 4995 | if (s7_my_get_expression (&s7_inst.reloc.exp, &str) == (int) s7_FAIL |
| 4996 | || s7_end_of_line (str) == (int) s7_FAIL) |
| 4997 | { |
| 4998 | return; |
| 4999 | } |
| 5000 | else if (s7_inst.reloc.exp.X_add_symbol == 0) |
| 5001 | { |
| 5002 | s7_inst.error = _("lacking label "); |
| 5003 | return; |
| 5004 | } |
| 5005 | else if (!(s7_inst.reloc.exp.X_add_number >= 0 |
| 5006 | && s7_inst.reloc.exp.X_add_number <= 4095)) |
| 5007 | { |
| 5008 | s7_inst.error = _("invalid constant: 12 bit expression not in range [0, 4095]"); |
| 5009 | return; |
| 5010 | } |
| 5011 | |
| 5012 | s7_inst.reloc.type = BFD_RELOC_SCORE16_JMP; |
| 5013 | s7_inst.reloc.pc_rel = 1; |
| 5014 | } |
| 5015 | |
| 5016 | static void |
| 5017 | s7_do_branch (char *str) |
| 5018 | { |
| 5019 | unsigned long abs_value = 0; |
| 5020 | |
| 5021 | if (s7_my_get_expression (&s7_inst.reloc.exp, &str) == (int) s7_FAIL |
| 5022 | || s7_end_of_line (str) == (int) s7_FAIL) |
| 5023 | { |
| 5024 | return; |
| 5025 | } |
| 5026 | else if (s7_inst.reloc.exp.X_add_symbol == 0) |
| 5027 | { |
| 5028 | s7_inst.error = _("lacking label "); |
| 5029 | return; |
| 5030 | } |
| 5031 | else if (!(s7_inst.reloc.exp.X_add_number >= -524288 |
| 5032 | && s7_inst.reloc.exp.X_add_number <= 524287)) |
| 5033 | { |
| 5034 | s7_inst.error = _("invalid constant: 20 bit expression not in range -2^19..2^19"); |
| 5035 | return; |
| 5036 | } |
| 5037 | |
| 5038 | s7_inst.reloc.type = BFD_RELOC_SCORE_BRANCH; |
| 5039 | s7_inst.reloc.pc_rel = 1; |
| 5040 | |
| 5041 | /* Branch 32 offset field : 20 bit, 16 bit branch offset field : 8 bit. */ |
| 5042 | s7_inst.instruction |= (s7_inst.reloc.exp.X_add_number & 0x3fe) | ((s7_inst.reloc.exp.X_add_number & 0xffc00) << 5); |
| 5043 | |
| 5044 | /* Compute 16 bit branch instruction. */ |
| 5045 | if ((s7_inst.relax_inst != 0x8000) && (abs_value & 0xfffffe00) == 0) |
| 5046 | { |
| 5047 | s7_inst.relax_inst |= (((s7_inst.instruction >> 10) & 0xf) << 8); |
| 5048 | s7_inst.relax_inst |= ((s7_inst.reloc.exp.X_add_number >> 1) & 0xff); |
| 5049 | s7_inst.relax_size = 2; |
| 5050 | } |
| 5051 | else |
| 5052 | { |
| 5053 | s7_inst.relax_inst = 0x8000; |
| 5054 | } |
| 5055 | } |
| 5056 | |
| 5057 | static void |
| 5058 | s7_do16_branch (char *str) |
| 5059 | { |
| 5060 | if ((s7_my_get_expression (&s7_inst.reloc.exp, &str) == (int) s7_FAIL |
| 5061 | || s7_end_of_line (str) == (int) s7_FAIL)) |
| 5062 | { |
| 5063 | ; |
| 5064 | } |
| 5065 | else if (s7_inst.reloc.exp.X_add_symbol == 0) |
| 5066 | { |
| 5067 | s7_inst.error = _("lacking label"); |
| 5068 | } |
| 5069 | else if (!(s7_inst.reloc.exp.X_add_number >= -512 |
| 5070 | && s7_inst.reloc.exp.X_add_number <= 511)) |
| 5071 | { |
| 5072 | s7_inst.error = _("invalid constant: 10 bit expression not in range [-2^9, 2^9-1]"); |
| 5073 | } |
| 5074 | else |
| 5075 | { |
| 5076 | s7_inst.reloc.type = BFD_RELOC_SCORE16_BRANCH; |
| 5077 | s7_inst.reloc.pc_rel = 1; |
| 5078 | s7_inst.instruction |= ((s7_inst.reloc.exp.X_add_number >> 1) & 0xff); |
| 5079 | } |
| 5080 | } |
| 5081 | |
| 5082 | /* Iterate over the base tables to create the instruction patterns. */ |
| 5083 | |
| 5084 | static void |
| 5085 | s7_build_score_ops_hsh (void) |
| 5086 | { |
| 5087 | unsigned int i; |
| 5088 | static struct obstack insn_obstack; |
| 5089 | |
| 5090 | obstack_begin (&insn_obstack, 4000); |
| 5091 | for (i = 0; i < sizeof (s7_score_insns) / sizeof (struct s7_asm_opcode); i++) |
| 5092 | { |
| 5093 | const struct s7_asm_opcode *insn = s7_score_insns + i; |
| 5094 | size_t len = strlen (insn->template_name); |
| 5095 | struct s7_asm_opcode *new_opcode; |
| 5096 | char *template_name; |
| 5097 | new_opcode = (struct s7_asm_opcode *) |
| 5098 | obstack_alloc (&insn_obstack, sizeof (struct s7_asm_opcode)); |
| 5099 | template_name = (char *) obstack_alloc (&insn_obstack, len + 1); |
| 5100 | |
| 5101 | strcpy (template_name, insn->template_name); |
| 5102 | new_opcode->template_name = template_name; |
| 5103 | new_opcode->parms = insn->parms; |
| 5104 | new_opcode->value = insn->value; |
| 5105 | new_opcode->relax_value = insn->relax_value; |
| 5106 | new_opcode->type = insn->type; |
| 5107 | new_opcode->bitmask = insn->bitmask; |
| 5108 | str_hash_insert (s7_score_ops_hsh, new_opcode->template_name, |
| 5109 | new_opcode, 0); |
| 5110 | } |
| 5111 | } |
| 5112 | |
| 5113 | static void |
| 5114 | s7_build_dependency_insn_hsh (void) |
| 5115 | { |
| 5116 | unsigned int i; |
| 5117 | static struct obstack dependency_obstack; |
| 5118 | |
| 5119 | obstack_begin (&dependency_obstack, 4000); |
| 5120 | for (i = 0; i < ARRAY_SIZE (s7_insn_to_dependency_table); i++) |
| 5121 | { |
| 5122 | const struct s7_insn_to_dependency *tmp = s7_insn_to_dependency_table + i; |
| 5123 | size_t len = strlen (tmp->insn_name); |
| 5124 | struct s7_insn_to_dependency *new_i2d; |
| 5125 | char *insn_name; |
| 5126 | |
| 5127 | new_i2d = (struct s7_insn_to_dependency *) |
| 5128 | obstack_alloc (&dependency_obstack, |
| 5129 | sizeof (struct s7_insn_to_dependency)); |
| 5130 | insn_name = (char *) obstack_alloc (&dependency_obstack, len + 1); |
| 5131 | |
| 5132 | strcpy (insn_name, tmp->insn_name); |
| 5133 | new_i2d->insn_name = insn_name; |
| 5134 | new_i2d->type = tmp->type; |
| 5135 | str_hash_insert (s7_dependency_insn_hsh, new_i2d->insn_name, new_i2d, 0); |
| 5136 | } |
| 5137 | } |
| 5138 | |
| 5139 | static valueT |
| 5140 | s7_md_chars_to_number (char *buf, int n) |
| 5141 | { |
| 5142 | valueT result = 0; |
| 5143 | unsigned char *where = (unsigned char *) buf; |
| 5144 | |
| 5145 | if (target_big_endian) |
| 5146 | { |
| 5147 | while (n--) |
| 5148 | { |
| 5149 | result <<= 8; |
| 5150 | result |= (*where++ & 255); |
| 5151 | } |
| 5152 | } |
| 5153 | else |
| 5154 | { |
| 5155 | while (n--) |
| 5156 | { |
| 5157 | result <<= 8; |
| 5158 | result |= (where[n] & 255); |
| 5159 | } |
| 5160 | } |
| 5161 | |
| 5162 | return result; |
| 5163 | } |
| 5164 | |
| 5165 | /* Return true if the given symbol should be considered local for s7_PIC. */ |
| 5166 | |
| 5167 | static bfd_boolean |
| 5168 | s7_pic_need_relax (symbolS *sym, asection *segtype) |
| 5169 | { |
| 5170 | asection *symsec; |
| 5171 | bfd_boolean linkonce; |
| 5172 | |
| 5173 | /* Handle the case of a symbol equated to another symbol. */ |
| 5174 | while (symbol_equated_reloc_p (sym)) |
| 5175 | { |
| 5176 | symbolS *n; |
| 5177 | |
| 5178 | /* It's possible to get a loop here in a badly written |
| 5179 | program. */ |
| 5180 | n = symbol_get_value_expression (sym)->X_add_symbol; |
| 5181 | if (n == sym) |
| 5182 | break; |
| 5183 | sym = n; |
| 5184 | } |
| 5185 | |
| 5186 | symsec = S_GET_SEGMENT (sym); |
| 5187 | |
| 5188 | /* Duplicate the test for LINK_ONCE sections as in adjust_reloc_syms */ |
| 5189 | linkonce = FALSE; |
| 5190 | if (symsec != segtype && ! S_IS_LOCAL (sym)) |
| 5191 | { |
| 5192 | if ((bfd_section_flags (symsec) & SEC_LINK_ONCE) != 0) |
| 5193 | linkonce = TRUE; |
| 5194 | |
| 5195 | /* The GNU toolchain uses an extension for ELF: a section |
| 5196 | beginning with the magic string .gnu.linkonce is a linkonce |
| 5197 | section. */ |
| 5198 | if (strncmp (segment_name (symsec), ".gnu.linkonce", |
| 5199 | sizeof ".gnu.linkonce" - 1) == 0) |
| 5200 | linkonce = TRUE; |
| 5201 | } |
| 5202 | |
| 5203 | /* This must duplicate the test in adjust_reloc_syms. */ |
| 5204 | return (!bfd_is_und_section (symsec) |
| 5205 | && !bfd_is_abs_section (symsec) |
| 5206 | && !bfd_is_com_section (symsec) |
| 5207 | && !linkonce |
| 5208 | #ifdef OBJ_ELF |
| 5209 | /* A global or weak symbol is treated as external. */ |
| 5210 | && (OUTPUT_FLAVOR != bfd_target_elf_flavour |
| 5211 | || (! S_IS_WEAK (sym) && ! S_IS_EXTERNAL (sym))) |
| 5212 | #endif |
| 5213 | ); |
| 5214 | } |
| 5215 | |
| 5216 | static int |
| 5217 | s7_judge_size_before_relax (fragS * fragp, asection *sec) |
| 5218 | { |
| 5219 | int change = 0; |
| 5220 | |
| 5221 | if (s7_score_pic == s7_NO_PIC) |
| 5222 | change = s7_nopic_need_relax (fragp->fr_symbol, 0); |
| 5223 | else |
| 5224 | change = s7_pic_need_relax (fragp->fr_symbol, sec); |
| 5225 | |
| 5226 | if (change == 1) |
| 5227 | { |
| 5228 | /* Only at the first time determining whether s7_GP instruction relax should be done, |
| 5229 | return the difference between instruction size and instruction relax size. */ |
| 5230 | if (fragp->fr_opcode == NULL) |
| 5231 | { |
| 5232 | fragp->fr_fix = s7_RELAX_NEW (fragp->fr_subtype); |
| 5233 | fragp->fr_opcode = fragp->fr_literal + s7_RELAX_RELOC1 (fragp->fr_subtype); |
| 5234 | return s7_RELAX_NEW (fragp->fr_subtype) - s7_RELAX_OLD (fragp->fr_subtype); |
| 5235 | } |
| 5236 | } |
| 5237 | |
| 5238 | return 0; |
| 5239 | } |
| 5240 | |
| 5241 | static int |
| 5242 | s7_b32_relax_to_b16 (fragS * fragp) |
| 5243 | { |
| 5244 | int grows = 0; |
| 5245 | int relaxable_p = 0; |
| 5246 | int frag_addr = fragp->fr_address + fragp->insn_addr; |
| 5247 | |
| 5248 | addressT symbol_address = 0; |
| 5249 | symbolS *s; |
| 5250 | offsetT offset; |
| 5251 | unsigned long value; |
| 5252 | unsigned long abs_value; |
| 5253 | |
| 5254 | /* FIXME : here may be able to modify better . |
| 5255 | I don't know how to get the fragp's section , |
| 5256 | so in relax stage , it may be wrong to calculate the symbol's offset when the frag's section |
| 5257 | is different from the symbol's. */ |
| 5258 | |
| 5259 | relaxable_p = s7_RELAX_OPT (fragp->fr_subtype); |
| 5260 | |
| 5261 | s = fragp->fr_symbol; |
| 5262 | /* b/bl immediate */ |
| 5263 | if (s == NULL) |
| 5264 | frag_addr = 0; |
| 5265 | else |
| 5266 | symbol_address = (addressT) symbol_get_frag (s)->fr_address; |
| 5267 | |
| 5268 | value = s7_md_chars_to_number (fragp->fr_literal, s7_INSN_SIZE); |
| 5269 | |
| 5270 | /* b 32's offset : 20 bit, b 16's tolerate field : 0xff. */ |
| 5271 | offset = ((value & 0x3ff0000) >> 6) | (value & 0x3fe); |
| 5272 | if ((offset & 0x80000) == 0x80000) |
| 5273 | offset |= 0xfff00000; |
| 5274 | |
| 5275 | abs_value = offset + symbol_address - frag_addr; |
| 5276 | if ((abs_value & 0x80000000) == 0x80000000) |
| 5277 | abs_value = 0xffffffff - abs_value + 1; |
| 5278 | |
| 5279 | /* Relax branch 32 to branch 16. */ |
| 5280 | if (relaxable_p && ((abs_value & 0xffffff00) == 0) |
| 5281 | && (S_IS_DEFINED (s) && !S_IS_COMMON (s) && !S_IS_EXTERNAL (s))) |
| 5282 | { |
| 5283 | /* do nothing. */ |
| 5284 | } |
| 5285 | else |
| 5286 | { |
| 5287 | /* Branch 32 can not be relaxed to b 16, so clear OPT bit. */ |
| 5288 | fragp->fr_opcode = NULL; |
| 5289 | fragp->fr_subtype = s7_RELAX_OPT_CLEAR (fragp->fr_subtype); |
| 5290 | } |
| 5291 | |
| 5292 | return grows; |
| 5293 | } |
| 5294 | |
| 5295 | static void |
| 5296 | s7_parse_pce_inst (char *insnstr) |
| 5297 | { |
| 5298 | char c; |
| 5299 | char *p; |
| 5300 | char *q; |
| 5301 | char first[s7_MAX_LITERAL_POOL_SIZE]; |
| 5302 | char second[s7_MAX_LITERAL_POOL_SIZE]; |
| 5303 | struct s7_score_it pec_part_1; |
| 5304 | |
| 5305 | /* Get first part string of PCE. */ |
| 5306 | p = strstr (insnstr, "||"); |
| 5307 | c = *p; |
| 5308 | *p = '\0'; |
| 5309 | strcpy (first, insnstr); |
| 5310 | |
| 5311 | /* Get second part string of PCE. */ |
| 5312 | *p = c; |
| 5313 | p += 2; |
| 5314 | strcpy (second, p); |
| 5315 | |
| 5316 | s7_parse_16_32_inst (first, FALSE); |
| 5317 | if (s7_inst.error) |
| 5318 | return; |
| 5319 | |
| 5320 | memcpy (&pec_part_1, &s7_inst, sizeof (s7_inst)); |
| 5321 | |
| 5322 | q = second; |
| 5323 | while (q && *q) |
| 5324 | { |
| 5325 | *q = TOLOWER (*q); |
| 5326 | q++; |
| 5327 | } |
| 5328 | |
| 5329 | s7_parse_16_32_inst (second, FALSE); |
| 5330 | if (s7_inst.error) |
| 5331 | return; |
| 5332 | |
| 5333 | if ( ((pec_part_1.size == s7_INSN_SIZE) && (s7_inst.size == s7_INSN_SIZE)) |
| 5334 | || ((pec_part_1.size == s7_INSN_SIZE) && (s7_inst.size == s7_INSN16_SIZE)) |
| 5335 | || ((pec_part_1.size == s7_INSN16_SIZE) && (s7_inst.size == s7_INSN_SIZE))) |
| 5336 | { |
| 5337 | s7_inst.error = _("pce instruction error (16 bit || 16 bit)'"); |
| 5338 | strcpy (s7_inst.str, insnstr); |
| 5339 | return; |
| 5340 | } |
| 5341 | |
| 5342 | if (!s7_inst.error) |
| 5343 | s7_gen_insn_frag (&pec_part_1, &s7_inst); |
| 5344 | } |
| 5345 | |
| 5346 | \f |
| 5347 | |
| 5348 | static void |
| 5349 | s7_insert_reg (const struct s7_reg_entry *r, htab_t htab) |
| 5350 | { |
| 5351 | int i = 0; |
| 5352 | int len = strlen (r->name) + 2; |
| 5353 | char *buf = XNEWVEC (char, len); |
| 5354 | char *buf2 = XNEWVEC (char, len); |
| 5355 | |
| 5356 | strcpy (buf + i, r->name); |
| 5357 | for (i = 0; buf[i]; i++) |
| 5358 | { |
| 5359 | buf2[i] = TOUPPER (buf[i]); |
| 5360 | } |
| 5361 | buf2[i] = '\0'; |
| 5362 | |
| 5363 | str_hash_insert (htab, buf, r, 0); |
| 5364 | str_hash_insert (htab, buf2, r, 0); |
| 5365 | } |
| 5366 | |
| 5367 | static void |
| 5368 | s7_build_reg_hsh (struct s7_reg_map *map) |
| 5369 | { |
| 5370 | const struct s7_reg_entry *r; |
| 5371 | |
| 5372 | map->htab = str_htab_create (); |
| 5373 | for (r = map->names; r->name != NULL; r++) |
| 5374 | s7_insert_reg (r, map->htab); |
| 5375 | } |
| 5376 | |
| 5377 | \f |
| 5378 | |
| 5379 | /* If we change section we must dump the literal pool first. */ |
| 5380 | static void |
| 5381 | s7_s_score_bss (int ignore ATTRIBUTE_UNUSED) |
| 5382 | { |
| 5383 | subseg_set (bss_section, (subsegT) get_absolute_expression ()); |
| 5384 | demand_empty_rest_of_line (); |
| 5385 | } |
| 5386 | |
| 5387 | static void |
| 5388 | s7_s_score_text (int ignore) |
| 5389 | { |
| 5390 | obj_elf_text (ignore); |
| 5391 | record_alignment (now_seg, 2); |
| 5392 | } |
| 5393 | |
| 5394 | static void |
| 5395 | s7_s_section (int ignore) |
| 5396 | { |
| 5397 | obj_elf_section (ignore); |
| 5398 | if ((bfd_section_flags (now_seg) & SEC_CODE) != 0) |
| 5399 | record_alignment (now_seg, 2); |
| 5400 | |
| 5401 | } |
| 5402 | |
| 5403 | static void |
| 5404 | s7_s_change_sec (int sec) |
| 5405 | { |
| 5406 | segT seg; |
| 5407 | |
| 5408 | #ifdef OBJ_ELF |
| 5409 | /* The ELF backend needs to know that we are changing sections, so |
| 5410 | that .previous works correctly. We could do something like check |
| 5411 | for an obj_section_change_hook macro, but that might be confusing |
| 5412 | as it would not be appropriate to use it in the section changing |
| 5413 | functions in read.c, since obj-elf.c intercepts those. FIXME: |
| 5414 | This should be cleaner, somehow. */ |
| 5415 | obj_elf_section_change_hook (); |
| 5416 | #endif |
| 5417 | switch (sec) |
| 5418 | { |
| 5419 | case 'r': |
| 5420 | seg = subseg_new (s7_RDATA_SECTION_NAME, (subsegT) get_absolute_expression ()); |
| 5421 | bfd_set_section_flags (seg, (SEC_ALLOC | SEC_LOAD | SEC_READONLY |
| 5422 | | SEC_RELOC | SEC_DATA)); |
| 5423 | if (strcmp (TARGET_OS, "elf") != 0) |
| 5424 | record_alignment (seg, 4); |
| 5425 | demand_empty_rest_of_line (); |
| 5426 | break; |
| 5427 | case 's': |
| 5428 | seg = subseg_new (".sdata", (subsegT) get_absolute_expression ()); |
| 5429 | bfd_set_section_flags (seg, (SEC_ALLOC | SEC_LOAD | SEC_RELOC |
| 5430 | | SEC_DATA | SEC_SMALL_DATA)); |
| 5431 | if (strcmp (TARGET_OS, "elf") != 0) |
| 5432 | record_alignment (seg, 4); |
| 5433 | demand_empty_rest_of_line (); |
| 5434 | break; |
| 5435 | } |
| 5436 | } |
| 5437 | |
| 5438 | static void |
| 5439 | s7_s_score_mask (int reg_type ATTRIBUTE_UNUSED) |
| 5440 | { |
| 5441 | long mask, off; |
| 5442 | |
| 5443 | if (s7_cur_proc_ptr == NULL) |
| 5444 | { |
| 5445 | as_warn (_(".mask outside of .ent")); |
| 5446 | demand_empty_rest_of_line (); |
| 5447 | return; |
| 5448 | } |
| 5449 | if (get_absolute_expression_and_terminator (&mask) != ',') |
| 5450 | { |
| 5451 | as_warn (_("Bad .mask directive")); |
| 5452 | --input_line_pointer; |
| 5453 | demand_empty_rest_of_line (); |
| 5454 | return; |
| 5455 | } |
| 5456 | off = get_absolute_expression (); |
| 5457 | s7_cur_proc_ptr->reg_mask = mask; |
| 5458 | s7_cur_proc_ptr->reg_offset = off; |
| 5459 | demand_empty_rest_of_line (); |
| 5460 | } |
| 5461 | |
| 5462 | static symbolS * |
| 5463 | s7_get_symbol (void) |
| 5464 | { |
| 5465 | int c; |
| 5466 | char *name; |
| 5467 | symbolS *p; |
| 5468 | |
| 5469 | c = get_symbol_name (&name); |
| 5470 | p = (symbolS *) symbol_find_or_make (name); |
| 5471 | (void) restore_line_pointer (c); |
| 5472 | return p; |
| 5473 | } |
| 5474 | |
| 5475 | static long |
| 5476 | s7_get_number (void) |
| 5477 | { |
| 5478 | int negative = 0; |
| 5479 | long val = 0; |
| 5480 | |
| 5481 | if (*input_line_pointer == '-') |
| 5482 | { |
| 5483 | ++input_line_pointer; |
| 5484 | negative = 1; |
| 5485 | } |
| 5486 | if (!ISDIGIT (*input_line_pointer)) |
| 5487 | as_bad (_("expected simple number")); |
| 5488 | if (input_line_pointer[0] == '0') |
| 5489 | { |
| 5490 | if (input_line_pointer[1] == 'x') |
| 5491 | { |
| 5492 | input_line_pointer += 2; |
| 5493 | while (ISXDIGIT (*input_line_pointer)) |
| 5494 | { |
| 5495 | val <<= 4; |
| 5496 | val |= hex_value (*input_line_pointer++); |
| 5497 | } |
| 5498 | return negative ? -val : val; |
| 5499 | } |
| 5500 | else |
| 5501 | { |
| 5502 | ++input_line_pointer; |
| 5503 | while (ISDIGIT (*input_line_pointer)) |
| 5504 | { |
| 5505 | val <<= 3; |
| 5506 | val |= *input_line_pointer++ - '0'; |
| 5507 | } |
| 5508 | return negative ? -val : val; |
| 5509 | } |
| 5510 | } |
| 5511 | if (!ISDIGIT (*input_line_pointer)) |
| 5512 | { |
| 5513 | printf (_(" *input_line_pointer == '%c' 0x%02x\n"), *input_line_pointer, *input_line_pointer); |
| 5514 | as_warn (_("invalid number")); |
| 5515 | return -1; |
| 5516 | } |
| 5517 | while (ISDIGIT (*input_line_pointer)) |
| 5518 | { |
| 5519 | val *= 10; |
| 5520 | val += *input_line_pointer++ - '0'; |
| 5521 | } |
| 5522 | return negative ? -val : val; |
| 5523 | } |
| 5524 | |
| 5525 | /* The .aent and .ent directives. */ |
| 5526 | |
| 5527 | static void |
| 5528 | s7_s_score_ent (int aent) |
| 5529 | { |
| 5530 | symbolS *symbolP; |
| 5531 | int maybe_text; |
| 5532 | |
| 5533 | symbolP = s7_get_symbol (); |
| 5534 | if (*input_line_pointer == ',') |
| 5535 | ++input_line_pointer; |
| 5536 | SKIP_WHITESPACE (); |
| 5537 | if (ISDIGIT (*input_line_pointer) || *input_line_pointer == '-') |
| 5538 | s7_get_number (); |
| 5539 | |
| 5540 | if ((bfd_section_flags (now_seg) & SEC_CODE) != 0) |
| 5541 | maybe_text = 1; |
| 5542 | else |
| 5543 | maybe_text = 0; |
| 5544 | if (!maybe_text) |
| 5545 | as_warn (_(".ent or .aent not in text section.")); |
| 5546 | if (!aent && s7_cur_proc_ptr) |
| 5547 | as_warn (_("missing .end")); |
| 5548 | if (!aent) |
| 5549 | { |
| 5550 | s7_cur_proc_ptr = &s7_cur_proc; |
| 5551 | s7_cur_proc_ptr->reg_mask = 0xdeadbeaf; |
| 5552 | s7_cur_proc_ptr->reg_offset = 0xdeadbeaf; |
| 5553 | s7_cur_proc_ptr->fpreg_mask = 0xdeafbeaf; |
| 5554 | s7_cur_proc_ptr->leaf = 0xdeafbeaf; |
| 5555 | s7_cur_proc_ptr->frame_offset = 0xdeafbeaf; |
| 5556 | s7_cur_proc_ptr->frame_reg = 0xdeafbeaf; |
| 5557 | s7_cur_proc_ptr->pc_reg = 0xdeafbeaf; |
| 5558 | s7_cur_proc_ptr->isym = symbolP; |
| 5559 | symbol_get_bfdsym (symbolP)->flags |= BSF_FUNCTION; |
| 5560 | ++s7_numprocs; |
| 5561 | if (debug_type == DEBUG_STABS) |
| 5562 | stabs_generate_asm_func (S_GET_NAME (symbolP), S_GET_NAME (symbolP)); |
| 5563 | } |
| 5564 | demand_empty_rest_of_line (); |
| 5565 | } |
| 5566 | |
| 5567 | static void |
| 5568 | s7_s_score_frame (int ignore ATTRIBUTE_UNUSED) |
| 5569 | { |
| 5570 | char *backupstr; |
| 5571 | char str[30]; |
| 5572 | long val; |
| 5573 | int i = 0; |
| 5574 | |
| 5575 | backupstr = input_line_pointer; |
| 5576 | |
| 5577 | #ifdef OBJ_ELF |
| 5578 | if (s7_cur_proc_ptr == NULL) |
| 5579 | { |
| 5580 | as_warn (_(".frame outside of .ent")); |
| 5581 | demand_empty_rest_of_line (); |
| 5582 | return; |
| 5583 | } |
| 5584 | s7_cur_proc_ptr->frame_reg = s7_reg_required_here ((&backupstr), 0, s7_REG_TYPE_SCORE); |
| 5585 | SKIP_WHITESPACE (); |
| 5586 | s7_skip_past_comma (&backupstr); |
| 5587 | while (*backupstr != ',') |
| 5588 | { |
| 5589 | str[i] = *backupstr; |
| 5590 | i++; |
| 5591 | backupstr++; |
| 5592 | } |
| 5593 | str[i] = '\0'; |
| 5594 | val = atoi (str); |
| 5595 | |
| 5596 | SKIP_WHITESPACE (); |
| 5597 | s7_skip_past_comma (&backupstr); |
| 5598 | s7_cur_proc_ptr->frame_offset = val; |
| 5599 | s7_cur_proc_ptr->pc_reg = s7_reg_required_here ((&backupstr), 0, s7_REG_TYPE_SCORE); |
| 5600 | |
| 5601 | SKIP_WHITESPACE (); |
| 5602 | s7_skip_past_comma (&backupstr); |
| 5603 | i = 0; |
| 5604 | while (*backupstr != '\n') |
| 5605 | { |
| 5606 | str[i] = *backupstr; |
| 5607 | i++; |
| 5608 | backupstr++; |
| 5609 | } |
| 5610 | str[i] = '\0'; |
| 5611 | val = atoi (str); |
| 5612 | s7_cur_proc_ptr->leaf = val; |
| 5613 | SKIP_WHITESPACE (); |
| 5614 | s7_skip_past_comma (&backupstr); |
| 5615 | |
| 5616 | #endif /* OBJ_ELF */ |
| 5617 | while (input_line_pointer != backupstr) |
| 5618 | input_line_pointer++; |
| 5619 | } |
| 5620 | |
| 5621 | /* The .end directive. */ |
| 5622 | |
| 5623 | static void |
| 5624 | s7_s_score_end (int x ATTRIBUTE_UNUSED) |
| 5625 | { |
| 5626 | symbolS *p; |
| 5627 | int maybe_text; |
| 5628 | |
| 5629 | /* Generate a .pdr section. */ |
| 5630 | segT saved_seg = now_seg; |
| 5631 | subsegT saved_subseg = now_subseg; |
| 5632 | expressionS exp; |
| 5633 | char *fragp; |
| 5634 | |
| 5635 | if (!is_end_of_line[(unsigned char)*input_line_pointer]) |
| 5636 | { |
| 5637 | p = s7_get_symbol (); |
| 5638 | demand_empty_rest_of_line (); |
| 5639 | } |
| 5640 | else |
| 5641 | p = NULL; |
| 5642 | |
| 5643 | if ((bfd_section_flags (now_seg) & SEC_CODE) != 0) |
| 5644 | maybe_text = 1; |
| 5645 | else |
| 5646 | maybe_text = 0; |
| 5647 | |
| 5648 | if (!maybe_text) |
| 5649 | as_warn (_(".end not in text section")); |
| 5650 | if (!s7_cur_proc_ptr) |
| 5651 | { |
| 5652 | as_warn (_(".end directive without a preceding .ent directive.")); |
| 5653 | demand_empty_rest_of_line (); |
| 5654 | return; |
| 5655 | } |
| 5656 | if (p != NULL) |
| 5657 | { |
| 5658 | gas_assert (S_GET_NAME (p)); |
| 5659 | if (strcmp (S_GET_NAME (p), S_GET_NAME (s7_cur_proc_ptr->isym))) |
| 5660 | as_warn (_(".end symbol does not match .ent symbol.")); |
| 5661 | if (debug_type == DEBUG_STABS) |
| 5662 | stabs_generate_asm_endfunc (S_GET_NAME (p), S_GET_NAME (p)); |
| 5663 | } |
| 5664 | else |
| 5665 | as_warn (_(".end directive missing or unknown symbol")); |
| 5666 | |
| 5667 | if ((s7_cur_proc_ptr->reg_mask == 0xdeadbeaf) || |
| 5668 | (s7_cur_proc_ptr->reg_offset == 0xdeadbeaf) || |
| 5669 | (s7_cur_proc_ptr->leaf == 0xdeafbeaf) || |
| 5670 | (s7_cur_proc_ptr->frame_offset == 0xdeafbeaf) || |
| 5671 | (s7_cur_proc_ptr->frame_reg == 0xdeafbeaf) || (s7_cur_proc_ptr->pc_reg == 0xdeafbeaf)); |
| 5672 | |
| 5673 | else |
| 5674 | { |
| 5675 | (void) frag_now_fix (); |
| 5676 | gas_assert (s7_pdr_seg); |
| 5677 | subseg_set (s7_pdr_seg, 0); |
| 5678 | /* Write the symbol. */ |
| 5679 | exp.X_op = O_symbol; |
| 5680 | exp.X_add_symbol = p; |
| 5681 | exp.X_add_number = 0; |
| 5682 | emit_expr (&exp, 4); |
| 5683 | fragp = frag_more (7 * 4); |
| 5684 | s7_number_to_chars (fragp, (valueT) s7_cur_proc_ptr->reg_mask, 4); |
| 5685 | s7_number_to_chars (fragp + 4, (valueT) s7_cur_proc_ptr->reg_offset, 4); |
| 5686 | s7_number_to_chars (fragp + 8, (valueT) s7_cur_proc_ptr->fpreg_mask, 4); |
| 5687 | s7_number_to_chars (fragp + 12, (valueT) s7_cur_proc_ptr->leaf, 4); |
| 5688 | s7_number_to_chars (fragp + 16, (valueT) s7_cur_proc_ptr->frame_offset, 4); |
| 5689 | s7_number_to_chars (fragp + 20, (valueT) s7_cur_proc_ptr->frame_reg, 4); |
| 5690 | s7_number_to_chars (fragp + 24, (valueT) s7_cur_proc_ptr->pc_reg, 4); |
| 5691 | subseg_set (saved_seg, saved_subseg); |
| 5692 | |
| 5693 | } |
| 5694 | s7_cur_proc_ptr = NULL; |
| 5695 | } |
| 5696 | |
| 5697 | /* Handle the .set pseudo-op. */ |
| 5698 | |
| 5699 | static void |
| 5700 | s7_s_score_set (int x ATTRIBUTE_UNUSED) |
| 5701 | { |
| 5702 | int i = 0; |
| 5703 | char name[s7_MAX_LITERAL_POOL_SIZE]; |
| 5704 | char * orig_ilp = input_line_pointer; |
| 5705 | |
| 5706 | while (!is_end_of_line[(unsigned char)*input_line_pointer]) |
| 5707 | { |
| 5708 | name[i] = (char) * input_line_pointer; |
| 5709 | i++; |
| 5710 | ++input_line_pointer; |
| 5711 | } |
| 5712 | |
| 5713 | name[i] = '\0'; |
| 5714 | |
| 5715 | if (strcmp (name, "nwarn") == 0) |
| 5716 | { |
| 5717 | s7_warn_fix_data_dependency = 0; |
| 5718 | } |
| 5719 | else if (strcmp (name, "fixdd") == 0) |
| 5720 | { |
| 5721 | s7_fix_data_dependency = 1; |
| 5722 | } |
| 5723 | else if (strcmp (name, "nofixdd") == 0) |
| 5724 | { |
| 5725 | s7_fix_data_dependency = 0; |
| 5726 | } |
| 5727 | else if (strcmp (name, "r1") == 0) |
| 5728 | { |
| 5729 | s7_nor1 = 0; |
| 5730 | } |
| 5731 | else if (strcmp (name, "nor1") == 0) |
| 5732 | { |
| 5733 | s7_nor1 = 1; |
| 5734 | } |
| 5735 | else if (strcmp (name, "optimize") == 0) |
| 5736 | { |
| 5737 | s7_g_opt = 1; |
| 5738 | } |
| 5739 | else if (strcmp (name, "volatile") == 0) |
| 5740 | { |
| 5741 | s7_g_opt = 0; |
| 5742 | } |
| 5743 | else if (strcmp (name, "pic") == 0) |
| 5744 | { |
| 5745 | s7_score_pic = s7_PIC; |
| 5746 | } |
| 5747 | else |
| 5748 | { |
| 5749 | input_line_pointer = orig_ilp; |
| 5750 | s_set (0); |
| 5751 | } |
| 5752 | } |
| 5753 | |
| 5754 | /* Handle the .cpload pseudo-op. This is used when generating s7_PIC code. It sets the |
| 5755 | $gp register for the function based on the function address, which is in the register |
| 5756 | named in the argument. This uses a relocation against GP_DISP_LABEL, which is handled |
| 5757 | specially by the linker. The result is: |
| 5758 | ldis gp, %hi(GP_DISP_LABEL) |
| 5759 | ori gp, %low(GP_DISP_LABEL) |
| 5760 | add gp, gp, .cpload argument |
| 5761 | The .cpload argument is normally r29. */ |
| 5762 | |
| 5763 | static void |
| 5764 | s7_s_score_cpload (int ignore ATTRIBUTE_UNUSED) |
| 5765 | { |
| 5766 | int reg; |
| 5767 | char insn_str[s7_MAX_LITERAL_POOL_SIZE]; |
| 5768 | |
| 5769 | /* If we are not generating s7_PIC code, .cpload is ignored. */ |
| 5770 | if (s7_score_pic == s7_NO_PIC) |
| 5771 | { |
| 5772 | s_ignore (0); |
| 5773 | return; |
| 5774 | } |
| 5775 | |
| 5776 | if ((reg = s7_reg_required_here (&input_line_pointer, -1, s7_REG_TYPE_SCORE)) == (int) s7_FAIL) |
| 5777 | return; |
| 5778 | |
| 5779 | demand_empty_rest_of_line (); |
| 5780 | |
| 5781 | sprintf (insn_str, "ld_i32hi r%d, %s", s7_GP, GP_DISP_LABEL); |
| 5782 | if (s7_append_insn (insn_str, TRUE) == (int) s7_FAIL) |
| 5783 | return; |
| 5784 | |
| 5785 | sprintf (insn_str, "ld_i32lo r%d, %s", s7_GP, GP_DISP_LABEL); |
| 5786 | if (s7_append_insn (insn_str, TRUE) == (int) s7_FAIL) |
| 5787 | return; |
| 5788 | |
| 5789 | sprintf (insn_str, "add r%d, r%d, r%d", s7_GP, s7_GP, reg); |
| 5790 | if (s7_append_insn (insn_str, TRUE) == (int) s7_FAIL) |
| 5791 | return; |
| 5792 | } |
| 5793 | |
| 5794 | /* Handle the .cprestore pseudo-op. This stores $gp into a given |
| 5795 | offset from $sp. The offset is remembered, and after making a s7_PIC |
| 5796 | call $gp is restored from that location. */ |
| 5797 | |
| 5798 | static void |
| 5799 | s7_s_score_cprestore (int ignore ATTRIBUTE_UNUSED) |
| 5800 | { |
| 5801 | int reg; |
| 5802 | int cprestore_offset; |
| 5803 | char insn_str[s7_MAX_LITERAL_POOL_SIZE]; |
| 5804 | |
| 5805 | /* If we are not generating s7_PIC code, .cprestore is ignored. */ |
| 5806 | if (s7_score_pic == s7_NO_PIC) |
| 5807 | { |
| 5808 | s_ignore (0); |
| 5809 | return; |
| 5810 | } |
| 5811 | |
| 5812 | if ((reg = s7_reg_required_here (&input_line_pointer, -1, s7_REG_TYPE_SCORE)) == (int) s7_FAIL |
| 5813 | || s7_skip_past_comma (&input_line_pointer) == (int) s7_FAIL) |
| 5814 | { |
| 5815 | return; |
| 5816 | } |
| 5817 | |
| 5818 | cprestore_offset = get_absolute_expression (); |
| 5819 | |
| 5820 | if (cprestore_offset <= 0x3fff) |
| 5821 | { |
| 5822 | sprintf (insn_str, "sw r%d, [r%d, %d]", s7_GP, reg, cprestore_offset); |
| 5823 | if (s7_append_insn (insn_str, TRUE) == (int) s7_FAIL) |
| 5824 | return; |
| 5825 | } |
| 5826 | else |
| 5827 | { |
| 5828 | int r1_bak; |
| 5829 | |
| 5830 | r1_bak = s7_nor1; |
| 5831 | s7_nor1 = 0; |
| 5832 | |
| 5833 | sprintf (insn_str, "li r1, %d", cprestore_offset); |
| 5834 | if (s7_append_insn (insn_str, TRUE) == (int) s7_FAIL) |
| 5835 | return; |
| 5836 | |
| 5837 | sprintf (insn_str, "add r1, r1, r%d", reg); |
| 5838 | if (s7_append_insn (insn_str, TRUE) == (int) s7_FAIL) |
| 5839 | return; |
| 5840 | |
| 5841 | sprintf (insn_str, "sw r%d, [r1]", s7_GP); |
| 5842 | if (s7_append_insn (insn_str, TRUE) == (int) s7_FAIL) |
| 5843 | return; |
| 5844 | |
| 5845 | s7_nor1 = r1_bak; |
| 5846 | } |
| 5847 | |
| 5848 | demand_empty_rest_of_line (); |
| 5849 | } |
| 5850 | |
| 5851 | /* Handle the .gpword pseudo-op. This is used when generating s7_PIC |
| 5852 | code. It generates a 32 bit s7_GP relative reloc. */ |
| 5853 | |
| 5854 | static void |
| 5855 | s7_s_score_gpword (int ignore ATTRIBUTE_UNUSED) |
| 5856 | { |
| 5857 | expressionS ex; |
| 5858 | char *p; |
| 5859 | |
| 5860 | /* When not generating s7_PIC code, this is treated as .word. */ |
| 5861 | if (s7_score_pic == s7_NO_PIC) |
| 5862 | { |
| 5863 | cons (4); |
| 5864 | return; |
| 5865 | } |
| 5866 | expression (&ex); |
| 5867 | if (ex.X_op != O_symbol || ex.X_add_number != 0) |
| 5868 | { |
| 5869 | as_bad (_("Unsupported use of .gpword")); |
| 5870 | ignore_rest_of_line (); |
| 5871 | } |
| 5872 | p = frag_more (4); |
| 5873 | s7_number_to_chars (p, (valueT) 0, 4); |
| 5874 | fix_new_exp (frag_now, p - frag_now->fr_literal, 4, &ex, FALSE, BFD_RELOC_GPREL32); |
| 5875 | demand_empty_rest_of_line (); |
| 5876 | } |
| 5877 | |
| 5878 | /* Handle the .cpadd pseudo-op. This is used when dealing with switch |
| 5879 | tables in s7_PIC code. */ |
| 5880 | |
| 5881 | static void |
| 5882 | s7_s_score_cpadd (int ignore ATTRIBUTE_UNUSED) |
| 5883 | { |
| 5884 | int reg; |
| 5885 | char insn_str[s7_MAX_LITERAL_POOL_SIZE]; |
| 5886 | |
| 5887 | /* If we are not generating s7_PIC code, .cpload is ignored. */ |
| 5888 | if (s7_score_pic == s7_NO_PIC) |
| 5889 | { |
| 5890 | s_ignore (0); |
| 5891 | return; |
| 5892 | } |
| 5893 | |
| 5894 | if ((reg = s7_reg_required_here (&input_line_pointer, -1, s7_REG_TYPE_SCORE)) == (int) s7_FAIL) |
| 5895 | { |
| 5896 | return; |
| 5897 | } |
| 5898 | demand_empty_rest_of_line (); |
| 5899 | |
| 5900 | /* Add $gp to the register named as an argument. */ |
| 5901 | sprintf (insn_str, "add r%d, r%d, r%d", reg, reg, s7_GP); |
| 5902 | if (s7_append_insn (insn_str, TRUE) == (int) s7_FAIL) |
| 5903 | return; |
| 5904 | } |
| 5905 | |
| 5906 | #ifndef TC_IMPLICIT_LCOMM_ALIGNMENT |
| 5907 | #define TC_IMPLICIT_LCOMM_ALIGNMENT(SIZE, P2VAR) \ |
| 5908 | do \ |
| 5909 | { \ |
| 5910 | if ((SIZE) >= 8) \ |
| 5911 | (P2VAR) = 3; \ |
| 5912 | else if ((SIZE) >= 4) \ |
| 5913 | (P2VAR) = 2; \ |
| 5914 | else if ((SIZE) >= 2) \ |
| 5915 | (P2VAR) = 1; \ |
| 5916 | else \ |
| 5917 | (P2VAR) = 0; \ |
| 5918 | } \ |
| 5919 | while (0) |
| 5920 | #endif |
| 5921 | |
| 5922 | static void |
| 5923 | s7_s_score_lcomm (int bytes_p) |
| 5924 | { |
| 5925 | char *name; |
| 5926 | char c; |
| 5927 | char *p; |
| 5928 | int temp; |
| 5929 | symbolS *symbolP; |
| 5930 | segT current_seg = now_seg; |
| 5931 | subsegT current_subseg = now_subseg; |
| 5932 | const int max_alignment = 15; |
| 5933 | int align = 0; |
| 5934 | segT bss_seg = bss_section; |
| 5935 | int needs_align = 0; |
| 5936 | |
| 5937 | c = get_symbol_name (&name); |
| 5938 | p = input_line_pointer; |
| 5939 | *p = c; |
| 5940 | |
| 5941 | if (name == p) |
| 5942 | { |
| 5943 | as_bad (_("expected symbol name")); |
| 5944 | discard_rest_of_line (); |
| 5945 | return; |
| 5946 | } |
| 5947 | |
| 5948 | SKIP_WHITESPACE_AFTER_NAME (); |
| 5949 | |
| 5950 | /* Accept an optional comma after the name. The comma used to be |
| 5951 | required, but Irix 5 cc does not generate it. */ |
| 5952 | if (*input_line_pointer == ',') |
| 5953 | { |
| 5954 | ++input_line_pointer; |
| 5955 | SKIP_WHITESPACE (); |
| 5956 | } |
| 5957 | |
| 5958 | if (is_end_of_line[(unsigned char)*input_line_pointer]) |
| 5959 | { |
| 5960 | as_bad (_("missing size expression")); |
| 5961 | return; |
| 5962 | } |
| 5963 | |
| 5964 | if ((temp = get_absolute_expression ()) < 0) |
| 5965 | { |
| 5966 | as_warn (_("BSS length (%d) < 0 ignored"), temp); |
| 5967 | ignore_rest_of_line (); |
| 5968 | return; |
| 5969 | } |
| 5970 | |
| 5971 | #if defined (TC_SCORE) |
| 5972 | if (OUTPUT_FLAVOR == bfd_target_ecoff_flavour || OUTPUT_FLAVOR == bfd_target_elf_flavour) |
| 5973 | { |
| 5974 | /* For Score and Alpha ECOFF or ELF, small objects are put in .sbss. */ |
| 5975 | if ((unsigned) temp <= bfd_get_gp_size (stdoutput)) |
| 5976 | { |
| 5977 | bss_seg = subseg_new (".sbss", 1); |
| 5978 | seg_info (bss_seg)->bss = 1; |
| 5979 | if (!bfd_set_section_flags (bss_seg, SEC_ALLOC | SEC_SMALL_DATA)) |
| 5980 | as_warn (_("error setting flags for \".sbss\": %s"), |
| 5981 | bfd_errmsg (bfd_get_error ())); |
| 5982 | } |
| 5983 | } |
| 5984 | #endif |
| 5985 | |
| 5986 | SKIP_WHITESPACE (); |
| 5987 | if (*input_line_pointer == ',') |
| 5988 | { |
| 5989 | ++input_line_pointer; |
| 5990 | SKIP_WHITESPACE (); |
| 5991 | |
| 5992 | if (is_end_of_line[(unsigned char)*input_line_pointer]) |
| 5993 | { |
| 5994 | as_bad (_("missing alignment")); |
| 5995 | return; |
| 5996 | } |
| 5997 | else |
| 5998 | { |
| 5999 | align = get_absolute_expression (); |
| 6000 | needs_align = 1; |
| 6001 | } |
| 6002 | } |
| 6003 | |
| 6004 | if (!needs_align) |
| 6005 | { |
| 6006 | TC_IMPLICIT_LCOMM_ALIGNMENT (temp, align); |
| 6007 | |
| 6008 | /* Still zero unless TC_IMPLICIT_LCOMM_ALIGNMENT set it. */ |
| 6009 | if (align) |
| 6010 | record_alignment (bss_seg, align); |
| 6011 | } |
| 6012 | |
| 6013 | if (needs_align) |
| 6014 | { |
| 6015 | if (bytes_p) |
| 6016 | { |
| 6017 | /* Convert to a power of 2. */ |
| 6018 | if (align != 0) |
| 6019 | { |
| 6020 | unsigned int i; |
| 6021 | |
| 6022 | for (i = 0; align != 0; align >>= 1, ++i) |
| 6023 | ; |
| 6024 | align = i - 1; |
| 6025 | } |
| 6026 | } |
| 6027 | |
| 6028 | if (align > max_alignment) |
| 6029 | { |
| 6030 | align = max_alignment; |
| 6031 | as_warn (_("alignment too large; %d assumed"), align); |
| 6032 | } |
| 6033 | else if (align < 0) |
| 6034 | { |
| 6035 | align = 0; |
| 6036 | as_warn (_("alignment negative; 0 assumed")); |
| 6037 | } |
| 6038 | |
| 6039 | record_alignment (bss_seg, align); |
| 6040 | } |
| 6041 | else |
| 6042 | { |
| 6043 | /* Assume some objects may require alignment on some systems. */ |
| 6044 | #if defined (TC_ALPHA) && ! defined (VMS) |
| 6045 | if (temp > 1) |
| 6046 | { |
| 6047 | align = ffs (temp) - 1; |
| 6048 | if (temp % (1 << align)) |
| 6049 | abort (); |
| 6050 | } |
| 6051 | #endif |
| 6052 | } |
| 6053 | |
| 6054 | *p = 0; |
| 6055 | symbolP = symbol_find_or_make (name); |
| 6056 | *p = c; |
| 6057 | |
| 6058 | if ( |
| 6059 | #if (defined (OBJ_AOUT) || defined (OBJ_MAYBE_AOUT)) |
| 6060 | (OUTPUT_FLAVOR != bfd_target_aout_flavour |
| 6061 | || (S_GET_OTHER (symbolP) == 0 && S_GET_DESC (symbolP) == 0)) && |
| 6062 | #endif |
| 6063 | (S_GET_SEGMENT (symbolP) == bss_seg || (!S_IS_DEFINED (symbolP) && S_GET_VALUE (symbolP) == 0))) |
| 6064 | { |
| 6065 | char *pfrag; |
| 6066 | |
| 6067 | subseg_set (bss_seg, 1); |
| 6068 | |
| 6069 | if (align) |
| 6070 | frag_align (align, 0, 0); |
| 6071 | |
| 6072 | /* Detach from old frag. */ |
| 6073 | if (S_GET_SEGMENT (symbolP) == bss_seg) |
| 6074 | symbol_get_frag (symbolP)->fr_symbol = NULL; |
| 6075 | |
| 6076 | symbol_set_frag (symbolP, frag_now); |
| 6077 | pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, (offsetT) temp, NULL); |
| 6078 | *pfrag = 0; |
| 6079 | |
| 6080 | |
| 6081 | S_SET_SEGMENT (symbolP, bss_seg); |
| 6082 | |
| 6083 | #ifdef OBJ_COFF |
| 6084 | /* The symbol may already have been created with a preceding |
| 6085 | ".globl" directive -- be careful not to step on storage class |
| 6086 | in that case. Otherwise, set it to static. */ |
| 6087 | if (S_GET_STORAGE_CLASS (symbolP) != C_EXT) |
| 6088 | { |
| 6089 | S_SET_STORAGE_CLASS (symbolP, C_STAT); |
| 6090 | } |
| 6091 | #endif /* OBJ_COFF */ |
| 6092 | |
| 6093 | #ifdef S_SET_SIZE |
| 6094 | S_SET_SIZE (symbolP, temp); |
| 6095 | #endif |
| 6096 | } |
| 6097 | else |
| 6098 | as_bad (_("symbol `%s' is already defined"), S_GET_NAME (symbolP)); |
| 6099 | |
| 6100 | subseg_set (current_seg, current_subseg); |
| 6101 | |
| 6102 | demand_empty_rest_of_line (); |
| 6103 | } |
| 6104 | |
| 6105 | \f |
| 6106 | |
| 6107 | static void |
| 6108 | s7_begin (void) |
| 6109 | { |
| 6110 | unsigned int i; |
| 6111 | segT seg; |
| 6112 | subsegT subseg; |
| 6113 | |
| 6114 | s7_score_ops_hsh = str_htab_create (); |
| 6115 | |
| 6116 | s7_build_score_ops_hsh (); |
| 6117 | |
| 6118 | s7_dependency_insn_hsh = str_htab_create (); |
| 6119 | |
| 6120 | s7_build_dependency_insn_hsh (); |
| 6121 | |
| 6122 | for (i = (int) REG_TYPE_FIRST; i < (int) s7_REG_TYPE_MAX; i++) |
| 6123 | s7_build_reg_hsh (s7_all_reg_maps + i); |
| 6124 | |
| 6125 | /* Initialize dependency vector. */ |
| 6126 | s7_init_dependency_vector (); |
| 6127 | |
| 6128 | bfd_set_arch_mach (stdoutput, TARGET_ARCH, 0); |
| 6129 | seg = now_seg; |
| 6130 | subseg = now_subseg; |
| 6131 | s7_pdr_seg = subseg_new (".pdr", (subsegT) 0); |
| 6132 | bfd_set_section_flags (s7_pdr_seg, SEC_READONLY | SEC_RELOC | SEC_DEBUGGING); |
| 6133 | bfd_set_section_alignment (s7_pdr_seg, 2); |
| 6134 | subseg_set (seg, subseg); |
| 6135 | |
| 6136 | if (s7_USE_GLOBAL_POINTER_OPT) |
| 6137 | bfd_set_gp_size (stdoutput, s7_g_switch_value); |
| 6138 | } |
| 6139 | |
| 6140 | static void |
| 6141 | s7_assemble (char *str) |
| 6142 | { |
| 6143 | know (str); |
| 6144 | know (strlen (str) < s7_MAX_LITERAL_POOL_SIZE); |
| 6145 | |
| 6146 | memset (&s7_inst, '\0', sizeof (s7_inst)); |
| 6147 | if (s7_INSN_IS_PCE_P (str)) |
| 6148 | s7_parse_pce_inst (str); |
| 6149 | else |
| 6150 | s7_parse_16_32_inst (str, TRUE); |
| 6151 | |
| 6152 | if (s7_inst.error) |
| 6153 | as_bad (_("%s -- `%s'"), s7_inst.error, s7_inst.str); |
| 6154 | } |
| 6155 | |
| 6156 | /* We handle all bad expressions here, so that we can report the faulty |
| 6157 | instruction in the error message. */ |
| 6158 | |
| 6159 | static void |
| 6160 | s7_operand (expressionS * exp) |
| 6161 | { |
| 6162 | if (s7_in_my_get_expression) |
| 6163 | { |
| 6164 | exp->X_op = O_illegal; |
| 6165 | if (s7_inst.error == NULL) |
| 6166 | { |
| 6167 | s7_inst.error = _("bad expression"); |
| 6168 | } |
| 6169 | } |
| 6170 | } |
| 6171 | |
| 6172 | /* Turn a string in input_line_pointer into a floating point constant |
| 6173 | of type TYPE, and store the appropriate bytes in *LITP. The number |
| 6174 | of LITTLENUMS emitted is stored in *SIZEP. An error message is |
| 6175 | returned, or NULL on OK. |
| 6176 | |
| 6177 | Note that fp constants aren't represent in the normal way on the ARM. |
| 6178 | In big endian mode, things are as expected. However, in little endian |
| 6179 | mode fp constants are big-endian word-wise, and little-endian byte-wise |
| 6180 | within the words. For example, (double) 1.1 in big endian mode is |
| 6181 | the byte sequence 3f f1 99 99 99 99 99 9a, and in little endian mode is |
| 6182 | the byte sequence 99 99 f1 3f 9a 99 99 99. */ |
| 6183 | |
| 6184 | static const char * |
| 6185 | s7_atof (int type, char *litP, int *sizeP) |
| 6186 | { |
| 6187 | int prec; |
| 6188 | LITTLENUM_TYPE words[MAX_LITTLENUMS]; |
| 6189 | char *t; |
| 6190 | int i; |
| 6191 | |
| 6192 | switch (type) |
| 6193 | { |
| 6194 | case 'f': |
| 6195 | case 'F': |
| 6196 | case 's': |
| 6197 | case 'S': |
| 6198 | prec = 2; |
| 6199 | break; |
| 6200 | case 'd': |
| 6201 | case 'D': |
| 6202 | case 'r': |
| 6203 | case 'R': |
| 6204 | prec = 4; |
| 6205 | break; |
| 6206 | case 'x': |
| 6207 | case 'X': |
| 6208 | case 'p': |
| 6209 | case 'P': |
| 6210 | prec = 6; |
| 6211 | break; |
| 6212 | default: |
| 6213 | *sizeP = 0; |
| 6214 | return _("bad call to MD_ATOF()"); |
| 6215 | } |
| 6216 | |
| 6217 | t = atof_ieee (input_line_pointer, type, words); |
| 6218 | if (t) |
| 6219 | input_line_pointer = t; |
| 6220 | *sizeP = prec * 2; |
| 6221 | |
| 6222 | if (target_big_endian) |
| 6223 | { |
| 6224 | for (i = 0; i < prec; i++) |
| 6225 | { |
| 6226 | s7_number_to_chars (litP, (valueT) words[i], 2); |
| 6227 | litP += 2; |
| 6228 | } |
| 6229 | } |
| 6230 | else |
| 6231 | { |
| 6232 | for (i = 0; i < prec; i += 2) |
| 6233 | { |
| 6234 | s7_number_to_chars (litP, (valueT) words[i + 1], 2); |
| 6235 | s7_number_to_chars (litP + 2, (valueT) words[i], 2); |
| 6236 | litP += 4; |
| 6237 | } |
| 6238 | } |
| 6239 | |
| 6240 | return 0; |
| 6241 | } |
| 6242 | |
| 6243 | /* Implementation of md_frag_check. |
| 6244 | Called after md_convert_frag(). */ |
| 6245 | |
| 6246 | static void |
| 6247 | s7_frag_check (fragS * fragp ATTRIBUTE_UNUSED) |
| 6248 | { |
| 6249 | know (fragp->insn_addr <= s7_RELAX_PAD_BYTE); |
| 6250 | } |
| 6251 | |
| 6252 | /* Implementation of TC_VALIDATE_FIX. |
| 6253 | Called before md_apply_fix() and after md_convert_frag(). */ |
| 6254 | |
| 6255 | static void |
| 6256 | s7_validate_fix (fixS *fixP) |
| 6257 | { |
| 6258 | fixP->fx_where += fixP->fx_frag->insn_addr; |
| 6259 | } |
| 6260 | |
| 6261 | static int |
| 6262 | s7_force_relocation (struct fix *fixp) |
| 6263 | { |
| 6264 | int retval = 0; |
| 6265 | |
| 6266 | if (fixp->fx_r_type == BFD_RELOC_VTABLE_INHERIT |
| 6267 | || fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY |
| 6268 | || fixp->fx_r_type == BFD_RELOC_SCORE_JMP |
| 6269 | || fixp->fx_r_type == BFD_RELOC_SCORE_BRANCH |
| 6270 | || fixp->fx_r_type == BFD_RELOC_SCORE16_JMP |
| 6271 | || fixp->fx_r_type == BFD_RELOC_SCORE16_BRANCH) |
| 6272 | { |
| 6273 | retval = 1; |
| 6274 | } |
| 6275 | |
| 6276 | return retval; |
| 6277 | } |
| 6278 | |
| 6279 | static bfd_boolean |
| 6280 | s7_fix_adjustable (fixS * fixP) |
| 6281 | { |
| 6282 | if (fixP->fx_addsy == NULL) |
| 6283 | { |
| 6284 | return 1; |
| 6285 | } |
| 6286 | else if (OUTPUT_FLAVOR == bfd_target_elf_flavour |
| 6287 | && (S_IS_EXTERNAL (fixP->fx_addsy) || S_IS_WEAK (fixP->fx_addsy))) |
| 6288 | { |
| 6289 | return 0; |
| 6290 | } |
| 6291 | else if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT |
| 6292 | || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY |
| 6293 | || fixP->fx_r_type == BFD_RELOC_SCORE_JMP |
| 6294 | || fixP->fx_r_type == BFD_RELOC_SCORE16_JMP) |
| 6295 | { |
| 6296 | return 0; |
| 6297 | } |
| 6298 | |
| 6299 | return 1; |
| 6300 | } |
| 6301 | |
| 6302 | static void |
| 6303 | s7_elf_final_processing (void) |
| 6304 | { |
| 6305 | unsigned long val = E_SCORE_MACH_SCORE7; |
| 6306 | |
| 6307 | elf_elfheader (stdoutput)->e_machine = EM_SCORE; |
| 6308 | elf_elfheader (stdoutput)->e_flags &= ~EF_SCORE_MACH; |
| 6309 | elf_elfheader (stdoutput)->e_flags |= val; |
| 6310 | |
| 6311 | if (s7_fix_data_dependency == 1) |
| 6312 | { |
| 6313 | elf_elfheader (stdoutput)->e_flags |= EF_SCORE_FIXDEP; |
| 6314 | } |
| 6315 | if (s7_score_pic == s7_PIC) |
| 6316 | { |
| 6317 | elf_elfheader (stdoutput)->e_flags |= EF_SCORE_PIC; |
| 6318 | } |
| 6319 | } |
| 6320 | |
| 6321 | /* In this function, we determine whether s7_GP instruction should do relaxation, |
| 6322 | for the label being against was known now. |
| 6323 | Doing this here but not in md_relax_frag() can induce iteration times |
| 6324 | in stage of doing relax. */ |
| 6325 | |
| 6326 | static int |
| 6327 | s7_estimate_size_before_relax (fragS * fragp, asection * sec) |
| 6328 | { |
| 6329 | if ((s7_RELAX_TYPE (fragp->fr_subtype) == Insn_GP) |
| 6330 | || (s7_RELAX_TYPE (fragp->fr_subtype) == Insn_PIC)) |
| 6331 | return s7_judge_size_before_relax (fragp, sec); |
| 6332 | |
| 6333 | return 0; |
| 6334 | } |
| 6335 | |
| 6336 | static int |
| 6337 | s7_relax_frag (asection * sec ATTRIBUTE_UNUSED, |
| 6338 | fragS * fragp, |
| 6339 | long stretch ATTRIBUTE_UNUSED) |
| 6340 | { |
| 6341 | int grows = 0; |
| 6342 | int insn_size; |
| 6343 | int do_relax_p = 0; /* Indicate doing relaxation for this frag. */ |
| 6344 | int relaxable_p = 0; |
| 6345 | bfd_boolean word_align_p = FALSE; |
| 6346 | fragS *next_fragp; |
| 6347 | |
| 6348 | /* If the instruction address is odd, make it half word align first. */ |
| 6349 | if ((fragp->fr_address) % 2 != 0) |
| 6350 | { |
| 6351 | if ((fragp->fr_address + fragp->insn_addr) % 2 != 0) |
| 6352 | { |
| 6353 | fragp->insn_addr = 1; |
| 6354 | grows += 1; |
| 6355 | } |
| 6356 | } |
| 6357 | |
| 6358 | word_align_p = ((fragp->fr_address + fragp->insn_addr) % 4 == 0) ? TRUE : FALSE; |
| 6359 | |
| 6360 | /* Get instruction size and relax size after the last relaxation. */ |
| 6361 | if (fragp->fr_opcode) |
| 6362 | insn_size = s7_RELAX_NEW (fragp->fr_subtype); |
| 6363 | else |
| 6364 | insn_size = s7_RELAX_OLD (fragp->fr_subtype); |
| 6365 | |
| 6366 | /* Handle specially for s7_GP instruction. for, s7_judge_size_before_relax() has already determine |
| 6367 | whether the s7_GP instruction should do relax. */ |
| 6368 | if ((s7_RELAX_TYPE (fragp->fr_subtype) == Insn_GP) |
| 6369 | || (s7_RELAX_TYPE (fragp->fr_subtype) == Insn_PIC)) |
| 6370 | { |
| 6371 | if (!word_align_p) |
| 6372 | { |
| 6373 | if (fragp->insn_addr < 2) |
| 6374 | { |
| 6375 | fragp->insn_addr += 2; |
| 6376 | grows += 2; |
| 6377 | } |
| 6378 | else |
| 6379 | { |
| 6380 | fragp->insn_addr -= 2; |
| 6381 | grows -= 2; |
| 6382 | } |
| 6383 | } |
| 6384 | |
| 6385 | if (fragp->fr_opcode) |
| 6386 | fragp->fr_fix = s7_RELAX_NEW (fragp->fr_subtype) + fragp->insn_addr; |
| 6387 | else |
| 6388 | fragp->fr_fix = s7_RELAX_OLD (fragp->fr_subtype) + fragp->insn_addr; |
| 6389 | } |
| 6390 | else |
| 6391 | { |
| 6392 | if (s7_RELAX_TYPE (fragp->fr_subtype) == PC_DISP19div2) |
| 6393 | s7_b32_relax_to_b16 (fragp); |
| 6394 | |
| 6395 | relaxable_p = s7_RELAX_OPT (fragp->fr_subtype); |
| 6396 | next_fragp = fragp->fr_next; |
| 6397 | while ((next_fragp) && (next_fragp->fr_type != rs_machine_dependent)) |
| 6398 | { |
| 6399 | next_fragp = next_fragp->fr_next; |
| 6400 | } |
| 6401 | |
| 6402 | if (next_fragp) |
| 6403 | { |
| 6404 | int n_insn_size; |
| 6405 | int n_relaxable_p = 0; |
| 6406 | |
| 6407 | if (next_fragp->fr_opcode) |
| 6408 | { |
| 6409 | n_insn_size = s7_RELAX_NEW (next_fragp->fr_subtype); |
| 6410 | } |
| 6411 | else |
| 6412 | { |
| 6413 | n_insn_size = s7_RELAX_OLD (next_fragp->fr_subtype); |
| 6414 | } |
| 6415 | |
| 6416 | if (s7_RELAX_TYPE (next_fragp->fr_subtype) == PC_DISP19div2) |
| 6417 | s7_b32_relax_to_b16 (next_fragp); |
| 6418 | n_relaxable_p = s7_RELAX_OPT (next_fragp->fr_subtype); |
| 6419 | |
| 6420 | if (word_align_p) |
| 6421 | { |
| 6422 | if (insn_size == 4) |
| 6423 | { |
| 6424 | /* 32 -> 16. */ |
| 6425 | if (relaxable_p && ((n_insn_size == 2) || n_relaxable_p)) |
| 6426 | { |
| 6427 | grows -= 2; |
| 6428 | do_relax_p = 1; |
| 6429 | } |
| 6430 | } |
| 6431 | else if (insn_size == 2) |
| 6432 | { |
| 6433 | /* 16 -> 32. */ |
| 6434 | if (relaxable_p && (((n_insn_size == 4) && !n_relaxable_p) || (n_insn_size > 4))) |
| 6435 | { |
| 6436 | grows += 2; |
| 6437 | do_relax_p = 1; |
| 6438 | } |
| 6439 | } |
| 6440 | else |
| 6441 | { |
| 6442 | abort (); |
| 6443 | } |
| 6444 | } |
| 6445 | else |
| 6446 | { |
| 6447 | if (insn_size == 4) |
| 6448 | { |
| 6449 | /* 32 -> 16. */ |
| 6450 | if (relaxable_p) |
| 6451 | { |
| 6452 | grows -= 2; |
| 6453 | do_relax_p = 1; |
| 6454 | } |
| 6455 | /* Make the 32 bit instruction word align. */ |
| 6456 | else |
| 6457 | { |
| 6458 | fragp->insn_addr += 2; |
| 6459 | grows += 2; |
| 6460 | } |
| 6461 | } |
| 6462 | else if (insn_size == 2) |
| 6463 | { |
| 6464 | /* Do nothing. */ |
| 6465 | } |
| 6466 | else |
| 6467 | { |
| 6468 | abort (); |
| 6469 | } |
| 6470 | } |
| 6471 | } |
| 6472 | else |
| 6473 | { |
| 6474 | /* Here, try best to do relax regardless fragp->fr_next->fr_type. */ |
| 6475 | if (!word_align_p) |
| 6476 | { |
| 6477 | if (insn_size % 4 == 0) |
| 6478 | { |
| 6479 | /* 32 -> 16. */ |
| 6480 | if (relaxable_p) |
| 6481 | { |
| 6482 | grows -= 2; |
| 6483 | do_relax_p = 1; |
| 6484 | } |
| 6485 | else |
| 6486 | { |
| 6487 | fragp->insn_addr += 2; |
| 6488 | grows += 2; |
| 6489 | } |
| 6490 | } |
| 6491 | } |
| 6492 | else |
| 6493 | { |
| 6494 | /* Do nothing. */ |
| 6495 | } |
| 6496 | } |
| 6497 | |
| 6498 | /* fragp->fr_opcode indicates whether this frag should be relaxed. */ |
| 6499 | if (do_relax_p) |
| 6500 | { |
| 6501 | if (fragp->fr_opcode) |
| 6502 | { |
| 6503 | fragp->fr_opcode = NULL; |
| 6504 | /* Guarantee estimate stage is correct. */ |
| 6505 | fragp->fr_fix = s7_RELAX_OLD (fragp->fr_subtype); |
| 6506 | fragp->fr_fix += fragp->insn_addr; |
| 6507 | } |
| 6508 | else |
| 6509 | { |
| 6510 | fragp->fr_opcode = fragp->fr_literal + s7_RELAX_RELOC1 (fragp->fr_subtype); |
| 6511 | /* Guarantee estimate stage is correct. */ |
| 6512 | fragp->fr_fix = s7_RELAX_NEW (fragp->fr_subtype); |
| 6513 | fragp->fr_fix += fragp->insn_addr; |
| 6514 | } |
| 6515 | } |
| 6516 | else |
| 6517 | { |
| 6518 | if (fragp->fr_opcode) |
| 6519 | { |
| 6520 | /* Guarantee estimate stage is correct. */ |
| 6521 | fragp->fr_fix = s7_RELAX_NEW (fragp->fr_subtype); |
| 6522 | fragp->fr_fix += fragp->insn_addr; |
| 6523 | } |
| 6524 | else |
| 6525 | { |
| 6526 | /* Guarantee estimate stage is correct. */ |
| 6527 | fragp->fr_fix = s7_RELAX_OLD (fragp->fr_subtype); |
| 6528 | fragp->fr_fix += fragp->insn_addr; |
| 6529 | } |
| 6530 | } |
| 6531 | } |
| 6532 | |
| 6533 | return grows; |
| 6534 | } |
| 6535 | |
| 6536 | static void |
| 6537 | s7_convert_frag (bfd * abfd ATTRIBUTE_UNUSED, |
| 6538 | segT sec ATTRIBUTE_UNUSED, |
| 6539 | fragS * fragp) |
| 6540 | { |
| 6541 | unsigned int r_old; |
| 6542 | unsigned int r_new; |
| 6543 | char backup[20]; |
| 6544 | fixS *fixp; |
| 6545 | |
| 6546 | r_old = s7_RELAX_OLD (fragp->fr_subtype); |
| 6547 | r_new = s7_RELAX_NEW (fragp->fr_subtype); |
| 6548 | |
| 6549 | /* fragp->fr_opcode indicates whether this frag should be relaxed. */ |
| 6550 | if (fragp->fr_opcode == NULL) |
| 6551 | { |
| 6552 | memcpy (backup, fragp->fr_literal, r_old); |
| 6553 | fragp->fr_fix = r_old; |
| 6554 | } |
| 6555 | else |
| 6556 | { |
| 6557 | memcpy (backup, fragp->fr_literal + r_old, r_new); |
| 6558 | fragp->fr_fix = r_new; |
| 6559 | } |
| 6560 | |
| 6561 | fixp = fragp->tc_frag_data.fixp; |
| 6562 | while (fixp && fixp->fx_frag == fragp && fixp->fx_where < r_old) |
| 6563 | { |
| 6564 | if (fragp->fr_opcode) |
| 6565 | fixp->fx_done = 1; |
| 6566 | fixp = fixp->fx_next; |
| 6567 | } |
| 6568 | while (fixp && fixp->fx_frag == fragp) |
| 6569 | { |
| 6570 | if (fragp->fr_opcode) |
| 6571 | fixp->fx_where -= r_old + fragp->insn_addr; |
| 6572 | else |
| 6573 | fixp->fx_done = 1; |
| 6574 | fixp = fixp->fx_next; |
| 6575 | } |
| 6576 | |
| 6577 | if (fragp->insn_addr) |
| 6578 | { |
| 6579 | s7_number_to_chars (fragp->fr_literal, 0x0, fragp->insn_addr); |
| 6580 | } |
| 6581 | memcpy (fragp->fr_literal + fragp->insn_addr, backup, fragp->fr_fix); |
| 6582 | fragp->fr_fix += fragp->insn_addr; |
| 6583 | } |
| 6584 | |
| 6585 | static long |
| 6586 | s7_pcrel_from (fixS * fixP) |
| 6587 | { |
| 6588 | long retval = 0; |
| 6589 | |
| 6590 | if (fixP->fx_addsy |
| 6591 | && (S_GET_SEGMENT (fixP->fx_addsy) == undefined_section) |
| 6592 | && (fixP->fx_subsy == NULL)) |
| 6593 | { |
| 6594 | retval = 0; |
| 6595 | } |
| 6596 | else |
| 6597 | { |
| 6598 | retval = fixP->fx_where + fixP->fx_frag->fr_address; |
| 6599 | } |
| 6600 | |
| 6601 | return retval; |
| 6602 | } |
| 6603 | |
| 6604 | /* Round up a section size to the appropriate boundary. */ |
| 6605 | static valueT |
| 6606 | s7_section_align (segT segment, valueT size) |
| 6607 | { |
| 6608 | int align = bfd_section_alignment (segment); |
| 6609 | |
| 6610 | return ((size + (1 << align) - 1) & -(1 << align)); |
| 6611 | } |
| 6612 | |
| 6613 | static void |
| 6614 | s7_apply_fix (fixS *fixP, valueT *valP, segT seg) |
| 6615 | { |
| 6616 | valueT value = *valP; |
| 6617 | valueT abs_value = 0; |
| 6618 | valueT newval; |
| 6619 | valueT content; |
| 6620 | valueT HI, LO; |
| 6621 | |
| 6622 | char *buf = fixP->fx_frag->fr_literal + fixP->fx_where; |
| 6623 | |
| 6624 | gas_assert (fixP->fx_r_type < BFD_RELOC_UNUSED); |
| 6625 | if (fixP->fx_addsy == 0 && !fixP->fx_pcrel) |
| 6626 | { |
| 6627 | if (fixP->fx_r_type != BFD_RELOC_SCORE_DUMMY_HI16) |
| 6628 | fixP->fx_done = 1; |
| 6629 | } |
| 6630 | |
| 6631 | /* If this symbol is in a different section then we need to leave it for |
| 6632 | the linker to deal with. Unfortunately, md_pcrel_from can't tell, |
| 6633 | so we have to undo it's effects here. */ |
| 6634 | if (fixP->fx_pcrel) |
| 6635 | { |
| 6636 | if (fixP->fx_addsy != NULL |
| 6637 | && S_IS_DEFINED (fixP->fx_addsy) |
| 6638 | && S_GET_SEGMENT (fixP->fx_addsy) != seg) |
| 6639 | value += md_pcrel_from (fixP); |
| 6640 | } |
| 6641 | |
| 6642 | /* Remember value for emit_reloc. */ |
| 6643 | fixP->fx_addnumber = value; |
| 6644 | |
| 6645 | switch (fixP->fx_r_type) |
| 6646 | { |
| 6647 | case BFD_RELOC_HI16_S: |
| 6648 | if (fixP->fx_done) |
| 6649 | { /* For la rd, imm32. */ |
| 6650 | newval = s7_md_chars_to_number (buf, s7_INSN_SIZE); |
| 6651 | HI = value >> 16; /* mul to 2, then take the hi 16 bit. */ |
| 6652 | newval |= (HI & 0x3fff) << 1; |
| 6653 | newval |= ((HI >> 14) & 0x3) << 16; |
| 6654 | s7_number_to_chars (buf, newval, s7_INSN_SIZE); |
| 6655 | } |
| 6656 | break; |
| 6657 | case BFD_RELOC_LO16: |
| 6658 | if (fixP->fx_done) /* For la rd, imm32. */ |
| 6659 | { |
| 6660 | newval = s7_md_chars_to_number (buf, s7_INSN_SIZE); |
| 6661 | LO = value & 0xffff; |
| 6662 | newval |= (LO & 0x3fff) << 1; /* 16 bit: imm -> 14 bit in lo, 2 bit in hi. */ |
| 6663 | newval |= ((LO >> 14) & 0x3) << 16; |
| 6664 | s7_number_to_chars (buf, newval, s7_INSN_SIZE); |
| 6665 | } |
| 6666 | break; |
| 6667 | case BFD_RELOC_SCORE_JMP: |
| 6668 | { |
| 6669 | content = s7_md_chars_to_number (buf, s7_INSN_SIZE); |
| 6670 | value = fixP->fx_offset; |
| 6671 | if (value > 0x1ffffff) |
| 6672 | { |
| 6673 | as_bad_where (fixP->fx_file, fixP->fx_line, |
| 6674 | _("j or jl truncate (0x%x) [0 ~ 2^25-1]"), (unsigned int) value); |
| 6675 | return; |
| 6676 | } |
| 6677 | content = (content & ~0x3ff7ffe) | ((value << 1) & 0x3ff0000) | (value & 0x7fff); |
| 6678 | s7_number_to_chars (buf, content, s7_INSN_SIZE); |
| 6679 | } |
| 6680 | break; |
| 6681 | case BFD_RELOC_SCORE_BRANCH: |
| 6682 | if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) || (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy))) |
| 6683 | value = fixP->fx_offset; |
| 6684 | else |
| 6685 | fixP->fx_done = 1; |
| 6686 | |
| 6687 | content = s7_md_chars_to_number (buf, s7_INSN_SIZE); |
| 6688 | if ((fixP->fx_frag->fr_opcode != 0) && ((content & 0x80008000) != 0x80008000)) |
| 6689 | { |
| 6690 | if ((value & 0x80000000) == 0x80000000) |
| 6691 | abs_value = 0xffffffff - value + 1; |
| 6692 | if ((abs_value & 0xffffff00) != 0) |
| 6693 | { |
| 6694 | as_bad_where (fixP->fx_file, fixP->fx_line, |
| 6695 | _(" branch relocation truncate (0x%x) [-2^8 ~ 2^8]"), (unsigned int) value); |
| 6696 | return; |
| 6697 | } |
| 6698 | content = s7_md_chars_to_number (buf, s7_INSN16_SIZE); |
| 6699 | content &= 0xff00; |
| 6700 | content = (content & 0xff00) | ((value >> 1) & 0xff); |
| 6701 | s7_number_to_chars (buf, content, s7_INSN16_SIZE); |
| 6702 | fixP->fx_r_type = BFD_RELOC_SCORE16_BRANCH; |
| 6703 | fixP->fx_size = 2; |
| 6704 | } |
| 6705 | else |
| 6706 | { |
| 6707 | if ((value & 0x80000000) == 0x80000000) |
| 6708 | abs_value = 0xffffffff - value + 1; |
| 6709 | if ((abs_value & 0xfff80000) != 0) |
| 6710 | { |
| 6711 | as_bad_where (fixP->fx_file, fixP->fx_line, |
| 6712 | _(" branch relocation truncate (0x%x) [-2^19 ~ 2^19]"), |
| 6713 | (unsigned int) value); |
| 6714 | return; |
| 6715 | } |
| 6716 | content = s7_md_chars_to_number (buf, s7_INSN_SIZE); |
| 6717 | content &= 0xfc00fc01; |
| 6718 | content = (content & 0xfc00fc01) | (value & 0x3fe) | ((value << 6) & 0x3ff0000); |
| 6719 | s7_number_to_chars (buf, content, s7_INSN_SIZE); |
| 6720 | } |
| 6721 | break; |
| 6722 | case BFD_RELOC_SCORE16_JMP: |
| 6723 | content = s7_md_chars_to_number (buf, s7_INSN16_SIZE); |
| 6724 | content &= 0xf001; |
| 6725 | value = fixP->fx_offset; |
| 6726 | if (value > 0xfff) |
| 6727 | { |
| 6728 | as_bad_where (fixP->fx_file, fixP->fx_line, |
| 6729 | _("j! or jl! truncate (0x%x) [0 ~ 2^12-1]"), (unsigned int) value); |
| 6730 | return; |
| 6731 | } |
| 6732 | value = fixP->fx_offset & 0xfff; |
| 6733 | content = (content & 0xfc01) | (value & 0xffe); |
| 6734 | s7_number_to_chars (buf, content, s7_INSN16_SIZE); |
| 6735 | break; |
| 6736 | case BFD_RELOC_SCORE16_BRANCH: |
| 6737 | content = s7_md_chars_to_number (buf, s7_INSN_SIZE); |
| 6738 | if ((fixP->fx_frag->fr_opcode != 0) && ((content & 0x80008000) == 0x80008000)) |
| 6739 | { |
| 6740 | if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) || |
| 6741 | (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy))) |
| 6742 | value = fixP->fx_offset; |
| 6743 | else |
| 6744 | fixP->fx_done = 1; |
| 6745 | |
| 6746 | if ((value & 0xfff80000) != 0 && (value & 0xfff80000) != 0xfff80000) |
| 6747 | { |
| 6748 | as_bad_where (fixP->fx_file, fixP->fx_line, |
| 6749 | _(" branch relocation truncate (0x%x) [-2^19 ~ 2^19]"), |
| 6750 | (unsigned int) value); |
| 6751 | return; |
| 6752 | } |
| 6753 | content = s7_md_chars_to_number (buf, s7_INSN_SIZE); |
| 6754 | content = (content & 0xfc00fc01) | (value & 0x3fe) | ((value << 6) & 0x3ff0000); |
| 6755 | s7_number_to_chars (buf, content, s7_INSN_SIZE); |
| 6756 | fixP->fx_r_type = BFD_RELOC_SCORE_BRANCH; |
| 6757 | fixP->fx_size = 4; |
| 6758 | break; |
| 6759 | } |
| 6760 | else |
| 6761 | { |
| 6762 | /* In different section. */ |
| 6763 | if ((S_GET_SEGMENT (fixP->fx_addsy) != seg) || |
| 6764 | (fixP->fx_addsy != NULL && S_IS_EXTERNAL (fixP->fx_addsy))) |
| 6765 | value = fixP->fx_offset; |
| 6766 | else |
| 6767 | fixP->fx_done = 1; |
| 6768 | |
| 6769 | if ((value & 0xffffff00) != 0 && (value & 0xffffff00) != 0xffffff00) |
| 6770 | { |
| 6771 | as_bad_where (fixP->fx_file, fixP->fx_line, |
| 6772 | _(" branch relocation truncate (0x%x) [-2^8 ~ 2^8]"), |
| 6773 | (unsigned int) value); |
| 6774 | return; |
| 6775 | } |
| 6776 | content = s7_md_chars_to_number (buf, s7_INSN16_SIZE); |
| 6777 | content = (content & 0xff00) | ((value >> 1) & 0xff); |
| 6778 | s7_number_to_chars (buf, content, s7_INSN16_SIZE); |
| 6779 | break; |
| 6780 | } |
| 6781 | case BFD_RELOC_8: |
| 6782 | if (fixP->fx_done || fixP->fx_pcrel) |
| 6783 | s7_number_to_chars (buf, value, 1); |
| 6784 | #ifdef OBJ_ELF |
| 6785 | else |
| 6786 | { |
| 6787 | value = fixP->fx_offset; |
| 6788 | s7_number_to_chars (buf, value, 1); |
| 6789 | } |
| 6790 | #endif |
| 6791 | break; |
| 6792 | |
| 6793 | case BFD_RELOC_16: |
| 6794 | if (fixP->fx_done || fixP->fx_pcrel) |
| 6795 | s7_number_to_chars (buf, value, 2); |
| 6796 | #ifdef OBJ_ELF |
| 6797 | else |
| 6798 | { |
| 6799 | value = fixP->fx_offset; |
| 6800 | s7_number_to_chars (buf, value, 2); |
| 6801 | } |
| 6802 | #endif |
| 6803 | break; |
| 6804 | case BFD_RELOC_RVA: |
| 6805 | case BFD_RELOC_32: |
| 6806 | if (fixP->fx_done || fixP->fx_pcrel) |
| 6807 | s7_number_to_chars (buf, value, 4); |
| 6808 | #ifdef OBJ_ELF |
| 6809 | else |
| 6810 | { |
| 6811 | value = fixP->fx_offset; |
| 6812 | s7_number_to_chars (buf, value, 4); |
| 6813 | } |
| 6814 | #endif |
| 6815 | break; |
| 6816 | case BFD_RELOC_VTABLE_INHERIT: |
| 6817 | fixP->fx_done = 0; |
| 6818 | if (fixP->fx_addsy && !S_IS_DEFINED (fixP->fx_addsy) && !S_IS_WEAK (fixP->fx_addsy)) |
| 6819 | S_SET_WEAK (fixP->fx_addsy); |
| 6820 | break; |
| 6821 | case BFD_RELOC_VTABLE_ENTRY: |
| 6822 | fixP->fx_done = 0; |
| 6823 | break; |
| 6824 | case BFD_RELOC_SCORE_GPREL15: |
| 6825 | content = s7_md_chars_to_number (buf, s7_INSN_SIZE); |
| 6826 | if ((fixP->fx_frag->fr_opcode != 0) && ((content & 0xfc1c8000) != 0x94188000)) |
| 6827 | fixP->fx_r_type = BFD_RELOC_NONE; |
| 6828 | fixP->fx_done = 0; |
| 6829 | break; |
| 6830 | case BFD_RELOC_SCORE_GOT15: |
| 6831 | case BFD_RELOC_SCORE_DUMMY_HI16: |
| 6832 | case BFD_RELOC_SCORE_GOT_LO16: |
| 6833 | case BFD_RELOC_SCORE_CALL15: |
| 6834 | case BFD_RELOC_GPREL32: |
| 6835 | break; |
| 6836 | case BFD_RELOC_NONE: |
| 6837 | default: |
| 6838 | as_bad_where (fixP->fx_file, fixP->fx_line, _("bad relocation fixup type (%d)"), fixP->fx_r_type); |
| 6839 | } |
| 6840 | } |
| 6841 | |
| 6842 | /* Translate internal representation of relocation info to BFD target format. */ |
| 6843 | |
| 6844 | static arelent ** |
| 6845 | s7_gen_reloc (asection * section ATTRIBUTE_UNUSED, fixS * fixp) |
| 6846 | { |
| 6847 | static arelent *retval[MAX_RELOC_EXPANSION + 1]; /* MAX_RELOC_EXPANSION equals 2. */ |
| 6848 | arelent *reloc; |
| 6849 | bfd_reloc_code_real_type code; |
| 6850 | const char *type; |
| 6851 | |
| 6852 | reloc = retval[0] = XNEW (arelent); |
| 6853 | retval[1] = NULL; |
| 6854 | |
| 6855 | reloc->sym_ptr_ptr = XNEW (asymbol *); |
| 6856 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); |
| 6857 | reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; |
| 6858 | reloc->addend = fixp->fx_offset; |
| 6859 | |
| 6860 | /* If this is a variant frag, we may need to adjust the existing |
| 6861 | reloc and generate a new one. */ |
| 6862 | if (fixp->fx_frag->fr_opcode != NULL && (fixp->fx_r_type == BFD_RELOC_SCORE_GPREL15)) |
| 6863 | { |
| 6864 | /* Update instruction imm bit. */ |
| 6865 | offsetT newval; |
| 6866 | unsigned short off; |
| 6867 | char *buf; |
| 6868 | |
| 6869 | buf = fixp->fx_frag->fr_literal + fixp->fx_frag->insn_addr; |
| 6870 | newval = s7_md_chars_to_number (buf, s7_INSN_SIZE); |
| 6871 | off = fixp->fx_offset >> 16; |
| 6872 | newval |= (off & 0x3fff) << 1; |
| 6873 | newval |= ((off >> 14) & 0x3) << 16; |
| 6874 | s7_number_to_chars (buf, newval, s7_INSN_SIZE); |
| 6875 | |
| 6876 | buf += s7_INSN_SIZE; |
| 6877 | newval = s7_md_chars_to_number (buf, s7_INSN_SIZE); |
| 6878 | off = fixp->fx_offset & 0xffff; |
| 6879 | newval |= ((off & 0x3fff) << 1); |
| 6880 | newval |= (((off >> 14) & 0x3) << 16); |
| 6881 | s7_number_to_chars (buf, newval, s7_INSN_SIZE); |
| 6882 | |
| 6883 | retval[1] = XNEW (arelent); |
| 6884 | retval[2] = NULL; |
| 6885 | retval[1]->sym_ptr_ptr = XNEW (asymbol *); |
| 6886 | *retval[1]->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); |
| 6887 | retval[1]->address = (reloc->address + s7_RELAX_RELOC2 (fixp->fx_frag->fr_subtype)); |
| 6888 | |
| 6889 | retval[1]->addend = 0; |
| 6890 | retval[1]->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_LO16); |
| 6891 | gas_assert (retval[1]->howto != NULL); |
| 6892 | |
| 6893 | fixp->fx_r_type = BFD_RELOC_HI16_S; |
| 6894 | } |
| 6895 | |
| 6896 | code = fixp->fx_r_type; |
| 6897 | switch (fixp->fx_r_type) |
| 6898 | { |
| 6899 | case BFD_RELOC_32: |
| 6900 | if (fixp->fx_pcrel) |
| 6901 | { |
| 6902 | code = BFD_RELOC_32_PCREL; |
| 6903 | break; |
| 6904 | } |
| 6905 | /* Fall through. */ |
| 6906 | case BFD_RELOC_HI16_S: |
| 6907 | case BFD_RELOC_LO16: |
| 6908 | case BFD_RELOC_SCORE_JMP: |
| 6909 | case BFD_RELOC_SCORE_BRANCH: |
| 6910 | case BFD_RELOC_SCORE16_JMP: |
| 6911 | case BFD_RELOC_SCORE16_BRANCH: |
| 6912 | case BFD_RELOC_VTABLE_ENTRY: |
| 6913 | case BFD_RELOC_VTABLE_INHERIT: |
| 6914 | case BFD_RELOC_SCORE_GPREL15: |
| 6915 | case BFD_RELOC_SCORE_GOT15: |
| 6916 | case BFD_RELOC_SCORE_DUMMY_HI16: |
| 6917 | case BFD_RELOC_SCORE_GOT_LO16: |
| 6918 | case BFD_RELOC_SCORE_CALL15: |
| 6919 | case BFD_RELOC_GPREL32: |
| 6920 | case BFD_RELOC_NONE: |
| 6921 | code = fixp->fx_r_type; |
| 6922 | break; |
| 6923 | default: |
| 6924 | type = _("<unknown>"); |
| 6925 | as_bad_where (fixp->fx_file, fixp->fx_line, |
| 6926 | _("cannot represent %s relocation in this object file format"), type); |
| 6927 | return NULL; |
| 6928 | } |
| 6929 | |
| 6930 | reloc->howto = bfd_reloc_type_lookup (stdoutput, code); |
| 6931 | if (reloc->howto == NULL) |
| 6932 | { |
| 6933 | as_bad_where (fixp->fx_file, fixp->fx_line, |
| 6934 | _("cannot represent %s relocation in this object file format1"), |
| 6935 | bfd_get_reloc_code_name (code)); |
| 6936 | return NULL; |
| 6937 | } |
| 6938 | /* HACK: Since arm ELF uses Rel instead of Rela, encode the |
| 6939 | vtable entry to be used in the relocation's section offset. */ |
| 6940 | if (fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY) |
| 6941 | reloc->address = fixp->fx_offset; |
| 6942 | |
| 6943 | return retval; |
| 6944 | } |