| 1 | /* HP PA-RISC SOM object file format: definitions internal to BFD. |
| 2 | Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, |
| 3 | 2003, 2005, 2007 Free Software Foundation, Inc. |
| 4 | |
| 5 | Contributed by the Center for Software Science at the |
| 6 | University of Utah (pa-gdb-bugs@cs.utah.edu). |
| 7 | |
| 8 | This file is part of BFD, the Binary File Descriptor library. |
| 9 | |
| 10 | This program 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 of the License, or |
| 13 | (at your option) any later version. |
| 14 | |
| 15 | This program 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 this program; if not, write to the Free Software |
| 22 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 23 | MA 02110-1301, USA. */ |
| 24 | |
| 25 | #ifndef _LIBHPPA_H |
| 26 | #define _LIBHPPA_H |
| 27 | |
| 28 | #define BYTES_IN_WORD 4 |
| 29 | #define PA_PAGESIZE 0x1000 |
| 30 | |
| 31 | /* The PA instruction set variants. */ |
| 32 | enum pa_arch {pa10 = 10, pa11 = 11, pa20 = 20, pa20w = 25}; |
| 33 | |
| 34 | /* HP PA-RISC relocation types */ |
| 35 | |
| 36 | enum hppa_reloc_field_selector_type |
| 37 | { |
| 38 | R_HPPA_FSEL = 0x0, |
| 39 | R_HPPA_LSSEL = 0x1, |
| 40 | R_HPPA_RSSEL = 0x2, |
| 41 | R_HPPA_LSEL = 0x3, |
| 42 | R_HPPA_RSEL = 0x4, |
| 43 | R_HPPA_LDSEL = 0x5, |
| 44 | R_HPPA_RDSEL = 0x6, |
| 45 | R_HPPA_LRSEL = 0x7, |
| 46 | R_HPPA_RRSEL = 0x8, |
| 47 | R_HPPA_NSEL = 0x9, |
| 48 | R_HPPA_NLSEL = 0xa, |
| 49 | R_HPPA_NLRSEL = 0xb, |
| 50 | R_HPPA_PSEL = 0xc, |
| 51 | R_HPPA_LPSEL = 0xd, |
| 52 | R_HPPA_RPSEL = 0xe, |
| 53 | R_HPPA_TSEL = 0xf, |
| 54 | R_HPPA_LTSEL = 0x10, |
| 55 | R_HPPA_RTSEL = 0x11, |
| 56 | R_HPPA_LTPSEL = 0x12, |
| 57 | R_HPPA_RTPSEL = 0x13 |
| 58 | }; |
| 59 | |
| 60 | /* /usr/include/reloc.h defines these to constants. We want to use |
| 61 | them in enums, so #undef them before we start using them. We might |
| 62 | be able to fix this another way by simply managing not to include |
| 63 | /usr/include/reloc.h, but currently GDB picks up these defines |
| 64 | somewhere. */ |
| 65 | #undef e_fsel |
| 66 | #undef e_lssel |
| 67 | #undef e_rssel |
| 68 | #undef e_lsel |
| 69 | #undef e_rsel |
| 70 | #undef e_ldsel |
| 71 | #undef e_rdsel |
| 72 | #undef e_lrsel |
| 73 | #undef e_rrsel |
| 74 | #undef e_nsel |
| 75 | #undef e_nlsel |
| 76 | #undef e_nlrsel |
| 77 | #undef e_psel |
| 78 | #undef e_lpsel |
| 79 | #undef e_rpsel |
| 80 | #undef e_tsel |
| 81 | #undef e_ltsel |
| 82 | #undef e_rtsel |
| 83 | #undef e_one |
| 84 | #undef e_two |
| 85 | #undef e_pcrel |
| 86 | #undef e_con |
| 87 | #undef e_plabel |
| 88 | #undef e_abs |
| 89 | |
| 90 | /* for compatibility */ |
| 91 | enum hppa_reloc_field_selector_type_alt |
| 92 | { |
| 93 | e_fsel = R_HPPA_FSEL, |
| 94 | e_lssel = R_HPPA_LSSEL, |
| 95 | e_rssel = R_HPPA_RSSEL, |
| 96 | e_lsel = R_HPPA_LSEL, |
| 97 | e_rsel = R_HPPA_RSEL, |
| 98 | e_ldsel = R_HPPA_LDSEL, |
| 99 | e_rdsel = R_HPPA_RDSEL, |
| 100 | e_lrsel = R_HPPA_LRSEL, |
| 101 | e_rrsel = R_HPPA_RRSEL, |
| 102 | e_nsel = R_HPPA_NSEL, |
| 103 | e_nlsel = R_HPPA_NLSEL, |
| 104 | e_nlrsel = R_HPPA_NLRSEL, |
| 105 | e_psel = R_HPPA_PSEL, |
| 106 | e_lpsel = R_HPPA_LPSEL, |
| 107 | e_rpsel = R_HPPA_RPSEL, |
| 108 | e_tsel = R_HPPA_TSEL, |
| 109 | e_ltsel = R_HPPA_LTSEL, |
| 110 | e_rtsel = R_HPPA_RTSEL, |
| 111 | e_ltpsel = R_HPPA_LTPSEL, |
| 112 | e_rtpsel = R_HPPA_RTPSEL |
| 113 | }; |
| 114 | |
| 115 | enum hppa_reloc_expr_type |
| 116 | { |
| 117 | R_HPPA_E_ONE = 0, |
| 118 | R_HPPA_E_TWO = 1, |
| 119 | R_HPPA_E_PCREL = 2, |
| 120 | R_HPPA_E_CON = 3, |
| 121 | R_HPPA_E_PLABEL = 7, |
| 122 | R_HPPA_E_ABS = 18 |
| 123 | }; |
| 124 | |
| 125 | /* for compatibility */ |
| 126 | enum hppa_reloc_expr_type_alt |
| 127 | { |
| 128 | e_one = R_HPPA_E_ONE, |
| 129 | e_two = R_HPPA_E_TWO, |
| 130 | e_pcrel = R_HPPA_E_PCREL, |
| 131 | e_con = R_HPPA_E_CON, |
| 132 | e_plabel = R_HPPA_E_PLABEL, |
| 133 | e_abs = R_HPPA_E_ABS |
| 134 | }; |
| 135 | |
| 136 | |
| 137 | /* Relocations for function calls must be accompanied by parameter |
| 138 | relocation bits. These bits describe exactly where the caller has |
| 139 | placed the function's arguments and where it expects to find a return |
| 140 | value. |
| 141 | |
| 142 | Both ELF and SOM encode this information within the addend field |
| 143 | of the call relocation. (Note this could break very badly if one |
| 144 | was to make a call like bl foo + 0x12345678). |
| 145 | |
| 146 | The high order 10 bits contain parameter relocation information, |
| 147 | the low order 22 bits contain the constant offset. */ |
| 148 | |
| 149 | #define HPPA_R_ARG_RELOC(a) \ |
| 150 | (((a) >> 22) & 0x3ff) |
| 151 | #define HPPA_R_CONSTANT(a) \ |
| 152 | ((((bfd_signed_vma)(a)) << (BFD_ARCH_SIZE-22)) >> (BFD_ARCH_SIZE-22)) |
| 153 | #define HPPA_R_ADDEND(r, c) \ |
| 154 | (((r) << 22) + ((c) & 0x3fffff)) |
| 155 | |
| 156 | |
| 157 | /* Some functions to manipulate PA instructions. */ |
| 158 | |
| 159 | /* Declare the functions with the unused attribute to avoid warnings. */ |
| 160 | static inline int sign_extend (int, int) ATTRIBUTE_UNUSED; |
| 161 | static inline int low_sign_extend (int, int) ATTRIBUTE_UNUSED; |
| 162 | static inline int sign_unext (int, int) ATTRIBUTE_UNUSED; |
| 163 | static inline int low_sign_unext (int, int) ATTRIBUTE_UNUSED; |
| 164 | static inline int re_assemble_3 (int) ATTRIBUTE_UNUSED; |
| 165 | static inline int re_assemble_12 (int) ATTRIBUTE_UNUSED; |
| 166 | static inline int re_assemble_14 (int) ATTRIBUTE_UNUSED; |
| 167 | static inline int re_assemble_16 (int) ATTRIBUTE_UNUSED; |
| 168 | static inline int re_assemble_17 (int) ATTRIBUTE_UNUSED; |
| 169 | static inline int re_assemble_21 (int) ATTRIBUTE_UNUSED; |
| 170 | static inline int re_assemble_22 (int) ATTRIBUTE_UNUSED; |
| 171 | static inline bfd_signed_vma hppa_field_adjust |
| 172 | (bfd_vma, bfd_signed_vma, enum hppa_reloc_field_selector_type_alt) |
| 173 | ATTRIBUTE_UNUSED; |
| 174 | static inline int bfd_hppa_insn2fmt (bfd *, int) ATTRIBUTE_UNUSED; |
| 175 | static inline int hppa_rebuild_insn (int, int, int) ATTRIBUTE_UNUSED; |
| 176 | |
| 177 | |
| 178 | /* The *sign_extend functions are used to assemble various bitfields |
| 179 | taken from an instruction and return the resulting immediate |
| 180 | value. */ |
| 181 | |
| 182 | static inline int |
| 183 | sign_extend (int x, int len) |
| 184 | { |
| 185 | int signbit = (1 << (len - 1)); |
| 186 | int mask = (signbit << 1) - 1; |
| 187 | return ((x & mask) ^ signbit) - signbit; |
| 188 | } |
| 189 | |
| 190 | static inline int |
| 191 | low_sign_extend (int x, int len) |
| 192 | { |
| 193 | return (x >> 1) - ((x & 1) << (len - 1)); |
| 194 | } |
| 195 | |
| 196 | |
| 197 | /* The re_assemble_* functions prepare an immediate value for |
| 198 | insertion into an opcode. pa-risc uses all sorts of weird bitfields |
| 199 | in the instruction to hold the value. */ |
| 200 | |
| 201 | static inline int |
| 202 | sign_unext (int x, int len) |
| 203 | { |
| 204 | int len_ones; |
| 205 | |
| 206 | len_ones = (1 << len) - 1; |
| 207 | |
| 208 | return x & len_ones; |
| 209 | } |
| 210 | |
| 211 | static inline int |
| 212 | low_sign_unext (int x, int len) |
| 213 | { |
| 214 | int temp; |
| 215 | int sign; |
| 216 | |
| 217 | sign = (x >> (len-1)) & 1; |
| 218 | |
| 219 | temp = sign_unext (x, len-1); |
| 220 | |
| 221 | return (temp << 1) | sign; |
| 222 | } |
| 223 | |
| 224 | static inline int |
| 225 | re_assemble_3 (int as3) |
| 226 | { |
| 227 | return (( (as3 & 4) << (13-2)) |
| 228 | | ((as3 & 3) << (13+1))); |
| 229 | } |
| 230 | |
| 231 | static inline int |
| 232 | re_assemble_12 (int as12) |
| 233 | { |
| 234 | return (( (as12 & 0x800) >> 11) |
| 235 | | ((as12 & 0x400) >> (10 - 2)) |
| 236 | | ((as12 & 0x3ff) << (1 + 2))); |
| 237 | } |
| 238 | |
| 239 | static inline int |
| 240 | re_assemble_14 (int as14) |
| 241 | { |
| 242 | return (( (as14 & 0x1fff) << 1) |
| 243 | | ((as14 & 0x2000) >> 13)); |
| 244 | } |
| 245 | |
| 246 | static inline int |
| 247 | re_assemble_16 (int as16) |
| 248 | { |
| 249 | int s, t; |
| 250 | |
| 251 | /* Unusual 16-bit encoding, for wide mode only. */ |
| 252 | t = (as16 << 1) & 0xffff; |
| 253 | s = (as16 & 0x8000); |
| 254 | return (t ^ s ^ (s >> 1)) | (s >> 15); |
| 255 | } |
| 256 | |
| 257 | static inline int |
| 258 | re_assemble_17 (int as17) |
| 259 | { |
| 260 | return (( (as17 & 0x10000) >> 16) |
| 261 | | ((as17 & 0x0f800) << (16 - 11)) |
| 262 | | ((as17 & 0x00400) >> (10 - 2)) |
| 263 | | ((as17 & 0x003ff) << (1 + 2))); |
| 264 | } |
| 265 | |
| 266 | static inline int |
| 267 | re_assemble_21 (int as21) |
| 268 | { |
| 269 | return (( (as21 & 0x100000) >> 20) |
| 270 | | ((as21 & 0x0ffe00) >> 8) |
| 271 | | ((as21 & 0x000180) << 7) |
| 272 | | ((as21 & 0x00007c) << 14) |
| 273 | | ((as21 & 0x000003) << 12)); |
| 274 | } |
| 275 | |
| 276 | static inline int |
| 277 | re_assemble_22 (int as22) |
| 278 | { |
| 279 | return (( (as22 & 0x200000) >> 21) |
| 280 | | ((as22 & 0x1f0000) << (21 - 16)) |
| 281 | | ((as22 & 0x00f800) << (16 - 11)) |
| 282 | | ((as22 & 0x000400) >> (10 - 2)) |
| 283 | | ((as22 & 0x0003ff) << (1 + 2))); |
| 284 | } |
| 285 | |
| 286 | |
| 287 | /* Handle field selectors for PA instructions. |
| 288 | The L and R (and LS, RS etc.) selectors are used in pairs to form a |
| 289 | full 32 bit address. eg. |
| 290 | |
| 291 | LDIL L'start,%r1 ; put left part into r1 |
| 292 | LDW R'start(%r1),%r2 ; add r1 and right part to form address |
| 293 | |
| 294 | This function returns sign extended values in all cases. |
| 295 | */ |
| 296 | |
| 297 | static inline bfd_signed_vma |
| 298 | hppa_field_adjust (bfd_vma sym_val, |
| 299 | bfd_signed_vma addend, |
| 300 | enum hppa_reloc_field_selector_type_alt r_field) |
| 301 | { |
| 302 | bfd_signed_vma value; |
| 303 | |
| 304 | value = sym_val + addend; |
| 305 | switch (r_field) |
| 306 | { |
| 307 | case e_fsel: |
| 308 | /* F: No change. */ |
| 309 | break; |
| 310 | |
| 311 | case e_nsel: |
| 312 | /* N: null selector. I don't really understand what this is all |
| 313 | about, but HP's documentation says "this indicates that zero |
| 314 | bits are to be used for the displacement on the instruction. |
| 315 | This fixup is used to identify three-instruction sequences to |
| 316 | access data (for importing shared library data)." */ |
| 317 | value = 0; |
| 318 | break; |
| 319 | |
| 320 | case e_lsel: |
| 321 | case e_nlsel: |
| 322 | /* L: Select top 21 bits. */ |
| 323 | value = value >> 11; |
| 324 | break; |
| 325 | |
| 326 | case e_rsel: |
| 327 | /* R: Select bottom 11 bits. */ |
| 328 | value = value & 0x7ff; |
| 329 | break; |
| 330 | |
| 331 | case e_lssel: |
| 332 | /* LS: Round to nearest multiple of 2048 then select top 21 bits. */ |
| 333 | value = value + 0x400; |
| 334 | value = value >> 11; |
| 335 | break; |
| 336 | |
| 337 | case e_rssel: |
| 338 | /* RS: Select bottom 11 bits for LS. |
| 339 | We need to return a value such that 2048 * LS'x + RS'x == x. |
| 340 | ie. RS'x = x - ((x + 0x400) & -0x800) |
| 341 | this is just a sign extension from bit 21. */ |
| 342 | value = ((value & 0x7ff) ^ 0x400) - 0x400; |
| 343 | break; |
| 344 | |
| 345 | case e_ldsel: |
| 346 | /* LD: Round to next multiple of 2048 then select top 21 bits. |
| 347 | Yes, if we are already on a multiple of 2048, we go up to the |
| 348 | next one. RD in this case will be -2048. */ |
| 349 | value = value + 0x800; |
| 350 | value = value >> 11; |
| 351 | break; |
| 352 | |
| 353 | case e_rdsel: |
| 354 | /* RD: Set bits 0-20 to one. */ |
| 355 | value = value | -0x800; |
| 356 | break; |
| 357 | |
| 358 | case e_lrsel: |
| 359 | case e_nlrsel: |
| 360 | /* LR: L with rounding of the addend to nearest 8k. */ |
| 361 | value = sym_val + ((addend + 0x1000) & -0x2000); |
| 362 | value = value >> 11; |
| 363 | break; |
| 364 | |
| 365 | case e_rrsel: |
| 366 | /* RR: R with rounding of the addend to nearest 8k. |
| 367 | We need to return a value such that 2048 * LR'x + RR'x == x |
| 368 | ie. RR'x = s+a - (s + (((a + 0x1000) & -0x2000) & -0x800)) |
| 369 | . = s+a - ((s & -0x800) + ((a + 0x1000) & -0x2000)) |
| 370 | . = (s & 0x7ff) + a - ((a + 0x1000) & -0x2000) */ |
| 371 | value = (sym_val & 0x7ff) + (((addend & 0x1fff) ^ 0x1000) - 0x1000); |
| 372 | break; |
| 373 | |
| 374 | default: |
| 375 | abort (); |
| 376 | } |
| 377 | return value; |
| 378 | } |
| 379 | |
| 380 | /* PA-RISC OPCODES */ |
| 381 | #define get_opcode(insn) (((insn) >> 26) & 0x3f) |
| 382 | |
| 383 | enum hppa_opcode_type |
| 384 | { |
| 385 | /* None of the opcodes in the first group generate relocs, so we |
| 386 | aren't too concerned about them. */ |
| 387 | OP_SYSOP = 0x00, |
| 388 | OP_MEMMNG = 0x01, |
| 389 | OP_ALU = 0x02, |
| 390 | OP_NDXMEM = 0x03, |
| 391 | OP_SPOP = 0x04, |
| 392 | OP_DIAG = 0x05, |
| 393 | OP_FMPYADD = 0x06, |
| 394 | OP_UNDEF07 = 0x07, |
| 395 | OP_COPRW = 0x09, |
| 396 | OP_COPRDW = 0x0b, |
| 397 | OP_COPR = 0x0c, |
| 398 | OP_FLOAT = 0x0e, |
| 399 | OP_PRDSPEC = 0x0f, |
| 400 | OP_UNDEF15 = 0x15, |
| 401 | OP_UNDEF1d = 0x1d, |
| 402 | OP_FMPYSUB = 0x26, |
| 403 | OP_FPFUSED = 0x2e, |
| 404 | OP_SHEXDP0 = 0x34, |
| 405 | OP_SHEXDP1 = 0x35, |
| 406 | OP_SHEXDP2 = 0x36, |
| 407 | OP_UNDEF37 = 0x37, |
| 408 | OP_SHEXDP3 = 0x3c, |
| 409 | OP_SHEXDP4 = 0x3d, |
| 410 | OP_MULTMED = 0x3e, |
| 411 | OP_UNDEF3f = 0x3f, |
| 412 | |
| 413 | OP_LDIL = 0x08, |
| 414 | OP_ADDIL = 0x0a, |
| 415 | |
| 416 | OP_LDO = 0x0d, |
| 417 | OP_LDB = 0x10, |
| 418 | OP_LDH = 0x11, |
| 419 | OP_LDW = 0x12, |
| 420 | OP_LDWM = 0x13, |
| 421 | OP_STB = 0x18, |
| 422 | OP_STH = 0x19, |
| 423 | OP_STW = 0x1a, |
| 424 | OP_STWM = 0x1b, |
| 425 | |
| 426 | OP_LDD = 0x14, |
| 427 | OP_STD = 0x1c, |
| 428 | |
| 429 | OP_FLDW = 0x16, |
| 430 | OP_LDWL = 0x17, |
| 431 | OP_FSTW = 0x1e, |
| 432 | OP_STWL = 0x1f, |
| 433 | |
| 434 | OP_COMBT = 0x20, |
| 435 | OP_COMIBT = 0x21, |
| 436 | OP_COMBF = 0x22, |
| 437 | OP_COMIBF = 0x23, |
| 438 | OP_CMPBDT = 0x27, |
| 439 | OP_ADDBT = 0x28, |
| 440 | OP_ADDIBT = 0x29, |
| 441 | OP_ADDBF = 0x2a, |
| 442 | OP_ADDIBF = 0x2b, |
| 443 | OP_CMPBDF = 0x2f, |
| 444 | OP_BVB = 0x30, |
| 445 | OP_BB = 0x31, |
| 446 | OP_MOVB = 0x32, |
| 447 | OP_MOVIB = 0x33, |
| 448 | OP_CMPIBD = 0x3b, |
| 449 | |
| 450 | OP_COMICLR = 0x24, |
| 451 | OP_SUBI = 0x25, |
| 452 | OP_ADDIT = 0x2c, |
| 453 | OP_ADDI = 0x2d, |
| 454 | |
| 455 | OP_BE = 0x38, |
| 456 | OP_BLE = 0x39, |
| 457 | OP_BL = 0x3a |
| 458 | }; |
| 459 | |
| 460 | |
| 461 | /* Given a machine instruction, return its format. */ |
| 462 | |
| 463 | static inline int |
| 464 | bfd_hppa_insn2fmt (bfd *abfd, int insn) |
| 465 | { |
| 466 | enum hppa_opcode_type op = get_opcode (insn); |
| 467 | |
| 468 | switch (op) |
| 469 | { |
| 470 | case OP_COMICLR: |
| 471 | case OP_SUBI: |
| 472 | case OP_ADDIT: |
| 473 | case OP_ADDI: |
| 474 | return 11; |
| 475 | |
| 476 | case OP_COMBT: |
| 477 | case OP_COMIBT: |
| 478 | case OP_COMBF: |
| 479 | case OP_COMIBF: |
| 480 | case OP_CMPBDT: |
| 481 | case OP_ADDBT: |
| 482 | case OP_ADDIBT: |
| 483 | case OP_ADDBF: |
| 484 | case OP_ADDIBF: |
| 485 | case OP_CMPBDF: |
| 486 | case OP_BVB: |
| 487 | case OP_BB: |
| 488 | case OP_MOVB: |
| 489 | case OP_MOVIB: |
| 490 | case OP_CMPIBD: |
| 491 | return 12; |
| 492 | |
| 493 | case OP_LDO: |
| 494 | case OP_LDB: |
| 495 | case OP_LDH: |
| 496 | case OP_LDW: |
| 497 | case OP_LDWM: |
| 498 | case OP_STB: |
| 499 | case OP_STH: |
| 500 | case OP_STW: |
| 501 | case OP_STWM: |
| 502 | if (abfd->arch_info->mach >= 25) |
| 503 | return 16; /* Wide mode, format 16. */ |
| 504 | return 14; |
| 505 | |
| 506 | case OP_FLDW: |
| 507 | case OP_LDWL: |
| 508 | case OP_FSTW: |
| 509 | case OP_STWL: |
| 510 | /* This is a hack. Unfortunately, format 11 is already taken |
| 511 | and we're using integers rather than an enum, so it's hard |
| 512 | to describe the 11a format. */ |
| 513 | if (abfd->arch_info->mach >= 25) |
| 514 | return -16; /* Wide mode, format 16a. */ |
| 515 | return -11; |
| 516 | |
| 517 | case OP_LDD: |
| 518 | case OP_STD: |
| 519 | if (abfd->arch_info->mach >= 25) |
| 520 | return -10; /* Wide mode, format 10a. */ |
| 521 | return 10; |
| 522 | |
| 523 | case OP_BL: |
| 524 | if ((insn & 0x8000) != 0) |
| 525 | return 22; |
| 526 | /* fall thru */ |
| 527 | case OP_BE: |
| 528 | case OP_BLE: |
| 529 | return 17; |
| 530 | |
| 531 | case OP_LDIL: |
| 532 | case OP_ADDIL: |
| 533 | return 21; |
| 534 | |
| 535 | default: |
| 536 | break; |
| 537 | } |
| 538 | return 32; |
| 539 | } |
| 540 | |
| 541 | |
| 542 | /* Insert VALUE into INSN using R_FORMAT to determine exactly what |
| 543 | bits to change. */ |
| 544 | |
| 545 | static inline int |
| 546 | hppa_rebuild_insn (int insn, int value, int r_format) |
| 547 | { |
| 548 | switch (r_format) |
| 549 | { |
| 550 | case 11: |
| 551 | return (insn & ~ 0x7ff) | low_sign_unext (value, 11); |
| 552 | |
| 553 | case 12: |
| 554 | return (insn & ~ 0x1ffd) | re_assemble_12 (value); |
| 555 | |
| 556 | |
| 557 | case 10: |
| 558 | return (insn & ~ 0x3ff1) | re_assemble_14 (value & -8); |
| 559 | |
| 560 | case -11: |
| 561 | return (insn & ~ 0x3ff9) | re_assemble_14 (value & -4); |
| 562 | |
| 563 | case 14: |
| 564 | return (insn & ~ 0x3fff) | re_assemble_14 (value); |
| 565 | |
| 566 | |
| 567 | case -10: |
| 568 | return (insn & ~ 0xfff1) | re_assemble_16 (value & -8); |
| 569 | |
| 570 | case -16: |
| 571 | return (insn & ~ 0xfff9) | re_assemble_16 (value & -4); |
| 572 | |
| 573 | case 16: |
| 574 | return (insn & ~ 0xffff) | re_assemble_16 (value); |
| 575 | |
| 576 | |
| 577 | case 17: |
| 578 | return (insn & ~ 0x1f1ffd) | re_assemble_17 (value); |
| 579 | |
| 580 | case 21: |
| 581 | return (insn & ~ 0x1fffff) | re_assemble_21 (value); |
| 582 | |
| 583 | case 22: |
| 584 | return (insn & ~ 0x3ff1ffd) | re_assemble_22 (value); |
| 585 | |
| 586 | case 32: |
| 587 | return value; |
| 588 | |
| 589 | default: |
| 590 | abort (); |
| 591 | } |
| 592 | return insn; |
| 593 | } |
| 594 | |
| 595 | #endif /* _LIBHPPA_H */ |