| 1 | /* Convex stuff for GDB. |
| 2 | Copyright (C) 1990, 1991, 1996 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GDB. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| 19 | |
| 20 | #include "defs.h" |
| 21 | #include "command.h" |
| 22 | #include "symtab.h" |
| 23 | #include "value.h" |
| 24 | #include "frame.h" |
| 25 | #include "inferior.h" |
| 26 | #include "wait.h" |
| 27 | |
| 28 | #include <signal.h> |
| 29 | #include <fcntl.h> |
| 30 | |
| 31 | #include "gdbcore.h" |
| 32 | #include <sys/param.h> |
| 33 | #include <sys/dir.h> |
| 34 | #include <sys/user.h> |
| 35 | #include <sys/ioctl.h> |
| 36 | #include <sys/pcntl.h> |
| 37 | #include <sys/thread.h> |
| 38 | #include <sys/proc.h> |
| 39 | #include <sys/file.h> |
| 40 | #include "gdb_stat.h" |
| 41 | #include <sys/mman.h> |
| 42 | |
| 43 | #include "gdbcmd.h" |
| 44 | |
| 45 | exec_file_command (filename, from_tty) |
| 46 | char *filename; |
| 47 | int from_tty; |
| 48 | { |
| 49 | int val; |
| 50 | int n; |
| 51 | struct stat st_exec; |
| 52 | |
| 53 | /* Eliminate all traces of old exec file. |
| 54 | Mark text segment as empty. */ |
| 55 | |
| 56 | if (execfile) |
| 57 | free (execfile); |
| 58 | execfile = 0; |
| 59 | data_start = 0; |
| 60 | data_end = 0; |
| 61 | text_start = 0; |
| 62 | text_end = 0; |
| 63 | exec_data_start = 0; |
| 64 | exec_data_end = 0; |
| 65 | if (execchan >= 0) |
| 66 | close (execchan); |
| 67 | execchan = -1; |
| 68 | |
| 69 | n_exec = 0; |
| 70 | |
| 71 | /* Now open and digest the file the user requested, if any. */ |
| 72 | |
| 73 | if (filename) |
| 74 | { |
| 75 | filename = tilde_expand (filename); |
| 76 | make_cleanup (free, filename); |
| 77 | |
| 78 | execchan = openp (getenv ("PATH"), 1, filename, O_RDONLY, 0, |
| 79 | &execfile); |
| 80 | if (execchan < 0) |
| 81 | perror_with_name (filename); |
| 82 | |
| 83 | if (myread (execchan, &filehdr, sizeof filehdr) < 0) |
| 84 | perror_with_name (filename); |
| 85 | |
| 86 | if (! IS_SOFF_MAGIC (filehdr.h_magic)) |
| 87 | error ("%s: not an executable file.", filename); |
| 88 | |
| 89 | if (myread (execchan, &opthdr, filehdr.h_opthdr) <= 0) |
| 90 | perror_with_name (filename); |
| 91 | |
| 92 | /* Read through the section headers. |
| 93 | For text, data, etc, record an entry in the exec file map. |
| 94 | Record text_start and text_end. */ |
| 95 | |
| 96 | lseek (execchan, (long) filehdr.h_scnptr, 0); |
| 97 | |
| 98 | for (n = 0; n < filehdr.h_nscns; n++) |
| 99 | { |
| 100 | if (myread (execchan, &scnhdr, sizeof scnhdr) < 0) |
| 101 | perror_with_name (filename); |
| 102 | |
| 103 | if ((scnhdr.s_flags & S_TYPMASK) >= S_TEXT |
| 104 | && (scnhdr.s_flags & S_TYPMASK) <= S_COMON) |
| 105 | { |
| 106 | exec_map[n_exec].mem_addr = scnhdr.s_vaddr; |
| 107 | exec_map[n_exec].mem_end = scnhdr.s_vaddr + scnhdr.s_size; |
| 108 | exec_map[n_exec].file_addr = scnhdr.s_scnptr; |
| 109 | exec_map[n_exec].type = scnhdr.s_flags & S_TYPMASK; |
| 110 | n_exec++; |
| 111 | |
| 112 | if ((scnhdr.s_flags & S_TYPMASK) == S_TEXT) |
| 113 | { |
| 114 | text_start = scnhdr.s_vaddr; |
| 115 | text_end = scnhdr.s_vaddr + scnhdr.s_size; |
| 116 | } |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | fstat (execchan, &st_exec); |
| 121 | exec_mtime = st_exec.st_mtime; |
| 122 | |
| 123 | validate_files (); |
| 124 | } |
| 125 | else if (from_tty) |
| 126 | printf_filtered ("No exec file now.\n"); |
| 127 | |
| 128 | /* Tell display code (if any) about the changed file name. */ |
| 129 | if (exec_file_display_hook) |
| 130 | (*exec_file_display_hook) (filename); |
| 131 | } |
| 132 | |
| 133 | #if 0 |
| 134 | /* Read data from SOFF exec or core file. |
| 135 | Return 0 on success, EIO if address out of bounds. */ |
| 136 | |
| 137 | int |
| 138 | xfer_core_file (memaddr, myaddr, len) |
| 139 | CORE_ADDR memaddr; |
| 140 | char *myaddr; |
| 141 | int len; |
| 142 | { |
| 143 | register int i; |
| 144 | register int n; |
| 145 | register int val; |
| 146 | int xferchan; |
| 147 | char **xferfile; |
| 148 | int fileptr; |
| 149 | int returnval = 0; |
| 150 | |
| 151 | while (len > 0) |
| 152 | { |
| 153 | xferfile = 0; |
| 154 | xferchan = 0; |
| 155 | |
| 156 | /* Determine which file the next bunch of addresses reside in, |
| 157 | and where in the file. Set the file's read/write pointer |
| 158 | to point at the proper place for the desired address |
| 159 | and set xferfile and xferchan for the correct file. |
| 160 | If desired address is nonexistent, leave them zero. |
| 161 | i is set to the number of bytes that can be handled |
| 162 | along with the next address. */ |
| 163 | |
| 164 | i = len; |
| 165 | |
| 166 | for (n = 0; n < n_core; n++) |
| 167 | { |
| 168 | if (memaddr >= core_map[n].mem_addr && memaddr < core_map[n].mem_end |
| 169 | && (core_map[n].thread == -1 |
| 170 | || core_map[n].thread == inferior_thread)) |
| 171 | { |
| 172 | i = min (len, core_map[n].mem_end - memaddr); |
| 173 | fileptr = core_map[n].file_addr + memaddr - core_map[n].mem_addr; |
| 174 | if (core_map[n].file_addr) |
| 175 | { |
| 176 | xferfile = &corefile; |
| 177 | xferchan = corechan; |
| 178 | } |
| 179 | break; |
| 180 | } |
| 181 | else if (core_map[n].mem_addr >= memaddr |
| 182 | && core_map[n].mem_addr < memaddr + i) |
| 183 | i = core_map[n].mem_addr - memaddr; |
| 184 | } |
| 185 | |
| 186 | if (!xferfile) |
| 187 | for (n = 0; n < n_exec; n++) |
| 188 | { |
| 189 | if (memaddr >= exec_map[n].mem_addr |
| 190 | && memaddr < exec_map[n].mem_end) |
| 191 | { |
| 192 | i = min (len, exec_map[n].mem_end - memaddr); |
| 193 | fileptr = exec_map[n].file_addr + memaddr |
| 194 | - exec_map[n].mem_addr; |
| 195 | if (exec_map[n].file_addr) |
| 196 | { |
| 197 | xferfile = &execfile; |
| 198 | xferchan = execchan; |
| 199 | } |
| 200 | break; |
| 201 | } |
| 202 | else if (exec_map[n].mem_addr >= memaddr |
| 203 | && exec_map[n].mem_addr < memaddr + i) |
| 204 | i = exec_map[n].mem_addr - memaddr; |
| 205 | } |
| 206 | |
| 207 | /* Now we know which file to use. |
| 208 | Set up its pointer and transfer the data. */ |
| 209 | if (xferfile) |
| 210 | { |
| 211 | if (*xferfile == 0) |
| 212 | if (xferfile == &execfile) |
| 213 | error ("No program file to examine."); |
| 214 | else |
| 215 | error ("No core dump file or running program to examine."); |
| 216 | val = lseek (xferchan, fileptr, 0); |
| 217 | if (val < 0) |
| 218 | perror_with_name (*xferfile); |
| 219 | val = myread (xferchan, myaddr, i); |
| 220 | if (val < 0) |
| 221 | perror_with_name (*xferfile); |
| 222 | } |
| 223 | /* If this address is for nonexistent memory, |
| 224 | read zeros if reading, or do nothing if writing. */ |
| 225 | else |
| 226 | { |
| 227 | memset (myaddr, '\0', i); |
| 228 | returnval = EIO; |
| 229 | } |
| 230 | |
| 231 | memaddr += i; |
| 232 | myaddr += i; |
| 233 | len -= i; |
| 234 | } |
| 235 | return returnval; |
| 236 | } |
| 237 | #endif |
| 238 | |
| 239 | /* Here from info files command to print an address map. */ |
| 240 | |
| 241 | print_maps () |
| 242 | { |
| 243 | struct pmap ptrs[200]; |
| 244 | int n; |
| 245 | |
| 246 | /* ID strings for core and executable file sections */ |
| 247 | |
| 248 | static char *idstr[] = |
| 249 | { |
| 250 | "0", "text", "data", "tdata", "bss", "tbss", |
| 251 | "common", "ttext", "ctx", "tctx", "10", "11", "12", |
| 252 | }; |
| 253 | |
| 254 | for (n = 0; n < n_core; n++) |
| 255 | { |
| 256 | core_map[n].which = 0; |
| 257 | ptrs[n] = core_map[n]; |
| 258 | } |
| 259 | for (n = 0; n < n_exec; n++) |
| 260 | { |
| 261 | exec_map[n].which = 1; |
| 262 | ptrs[n_core+n] = exec_map[n]; |
| 263 | } |
| 264 | |
| 265 | qsort (ptrs, n_core + n_exec, sizeof *ptrs, ptr_cmp); |
| 266 | |
| 267 | for (n = 0; n < n_core + n_exec; n++) |
| 268 | { |
| 269 | struct pmap *p = &ptrs[n]; |
| 270 | if (n > 0) |
| 271 | { |
| 272 | if (p->mem_addr < ptrs[n-1].mem_end) |
| 273 | p->mem_addr = ptrs[n-1].mem_end; |
| 274 | if (p->mem_addr >= p->mem_end) |
| 275 | continue; |
| 276 | } |
| 277 | printf_filtered ("%08x .. %08x %-6s %s\n", |
| 278 | p->mem_addr, p->mem_end, idstr[p->type], |
| 279 | p->which ? execfile : corefile); |
| 280 | } |
| 281 | } |
| 282 | |
| 283 | /* Compare routine to put file sections in order. |
| 284 | Sort into increasing order on address, and put core file sections |
| 285 | before exec file sections if both files contain the same addresses. */ |
| 286 | |
| 287 | static ptr_cmp (a, b) |
| 288 | struct pmap *a, *b; |
| 289 | { |
| 290 | if (a->mem_addr != b->mem_addr) return a->mem_addr - b->mem_addr; |
| 291 | return a->which - b->which; |
| 292 | } |
| 293 | \f |
| 294 | /* Trapped internal variables are used to handle special registers. |
| 295 | A trapped i.v. calls a hook here every time it is dereferenced, |
| 296 | to provide a new value for the variable, and it calls a hook here |
| 297 | when a new value is assigned, to do something with the value. |
| 298 | |
| 299 | The vector registers are $vl, $vs, $vm, $vN, $VN (N in 0..7). |
| 300 | The communication registers are $cN, $CN (N in 0..63). |
| 301 | They not handled as regular registers because it's expensive to |
| 302 | read them, and their size varies, and they have too many names. */ |
| 303 | |
| 304 | |
| 305 | /* Return 1 if NAME is a trapped internal variable, else 0. */ |
| 306 | |
| 307 | int |
| 308 | is_trapped_internalvar (name) |
| 309 | char *name; |
| 310 | { |
| 311 | if ((name[0] == 'c' || name[0] == 'C') |
| 312 | && name[1] >= '0' && name[1] <= '9' |
| 313 | && (name[2] == '\0' |
| 314 | || (name[2] >= '0' && name[2] <= '9' |
| 315 | && name[3] == '\0' && name[1] != '0')) |
| 316 | && atoi (&name[1]) < 64) return 1; |
| 317 | |
| 318 | if ((name[0] == 'v' || name[0] == 'V') |
| 319 | && (((name[1] & -8) == '0' && name[2] == '\0') |
| 320 | || STREQ (name, "vl") |
| 321 | || STREQ (name, "vs") |
| 322 | || STREQ (name, "vm"))) |
| 323 | return 1; |
| 324 | else return 0; |
| 325 | } |
| 326 | |
| 327 | /* Return the value of trapped internal variable VAR */ |
| 328 | |
| 329 | value |
| 330 | value_of_trapped_internalvar (var) |
| 331 | struct internalvar *var; |
| 332 | { |
| 333 | char *name = var->name; |
| 334 | value val; |
| 335 | struct type *type; |
| 336 | struct type *range_type; |
| 337 | long len = *read_vector_register (VL_REGNUM); |
| 338 | if (len <= 0 || len > 128) len = 128; |
| 339 | |
| 340 | if (STREQ (name, "vl")) |
| 341 | { |
| 342 | val = value_from_longest (builtin_type_int, |
| 343 | (LONGEST) *read_vector_register_1 (VL_REGNUM)); |
| 344 | } |
| 345 | else if (STREQ (name, "vs")) |
| 346 | { |
| 347 | val = value_from_longest (builtin_type_int, |
| 348 | (LONGEST) *read_vector_register_1 (VS_REGNUM)); |
| 349 | } |
| 350 | else if (STREQ (name, "vm")) |
| 351 | { |
| 352 | long vm[4]; |
| 353 | long i, *p; |
| 354 | memcpy (vm, read_vector_register_1 (VM_REGNUM), sizeof vm); |
| 355 | range_type = |
| 356 | create_range_type ((struct type *) NULL, builtin_type_int, 0, len - 1); |
| 357 | type = |
| 358 | create_array_type ((struct type *) NULL, builtin_type_int, range_type); |
| 359 | val = allocate_value (type); |
| 360 | p = (long *) VALUE_CONTENTS (val); |
| 361 | for (i = 0; i < len; i++) |
| 362 | *p++ = !! (vm[3 - (i >> 5)] & (1 << (i & 037))); |
| 363 | } |
| 364 | else if (name[0] == 'V') |
| 365 | { |
| 366 | range_type = |
| 367 | create_range_type ((struct type *) NULL, builtin_type_int 0, len - 1); |
| 368 | type = |
| 369 | create_array_type ((struct type *) NULL, builtin_type_long_long, |
| 370 | range_type); |
| 371 | val = allocate_value (type); |
| 372 | memcpy (VALUE_CONTENTS (val), |
| 373 | read_vector_register_1 (name[1] - '0'), |
| 374 | TYPE_LENGTH (type)); |
| 375 | } |
| 376 | else if (name[0] == 'v') |
| 377 | { |
| 378 | long *p1, *p2; |
| 379 | range_type = |
| 380 | create_range_type ((struct type *) NULL, builtin_type_int 0, len - 1); |
| 381 | type = |
| 382 | create_array_type ((struct type *) NULL, builtin_type_long, |
| 383 | range_type); |
| 384 | val = allocate_value (type); |
| 385 | p1 = read_vector_register_1 (name[1] - '0'); |
| 386 | p2 = (long *) VALUE_CONTENTS (val); |
| 387 | while (--len >= 0) {p1++; *p2++ = *p1++;} |
| 388 | } |
| 389 | |
| 390 | else if (name[0] == 'c') |
| 391 | val = value_from_longest (builtin_type_int, |
| 392 | read_comm_register (atoi (&name[1]))); |
| 393 | else if (name[0] == 'C') |
| 394 | val = value_from_longest (builtin_type_long_long, |
| 395 | read_comm_register (atoi (&name[1]))); |
| 396 | |
| 397 | VALUE_LVAL (val) = lval_internalvar; |
| 398 | VALUE_INTERNALVAR (val) = var; |
| 399 | return val; |
| 400 | } |
| 401 | |
| 402 | /* Handle a new value assigned to a trapped internal variable */ |
| 403 | |
| 404 | void |
| 405 | set_trapped_internalvar (var, val, bitpos, bitsize, offset) |
| 406 | struct internalvar *var; |
| 407 | value val; |
| 408 | int bitpos, bitsize, offset; |
| 409 | { |
| 410 | char *name = var->name; |
| 411 | long long newval = value_as_long (val); |
| 412 | |
| 413 | if (STREQ (name, "vl")) |
| 414 | write_vector_register (VL_REGNUM, 0, newval); |
| 415 | else if (STREQ (name, "vs")) |
| 416 | write_vector_register (VS_REGNUM, 0, newval); |
| 417 | else if (name[0] == 'c' || name[0] == 'C') |
| 418 | write_comm_register (atoi (&name[1]), newval); |
| 419 | else if (STREQ (name, "vm")) |
| 420 | error ("can't assign to $vm"); |
| 421 | else |
| 422 | { |
| 423 | offset /= bitsize / 8; |
| 424 | write_vector_register (name[1] - '0', offset, newval); |
| 425 | } |
| 426 | } |
| 427 | |
| 428 | /* Print an integer value when no format was specified. gdb normally |
| 429 | prints these values in decimal, but the the leading 0x80000000 of |
| 430 | pointers produces intolerable 10-digit negative numbers. |
| 431 | If it looks like an address, print it in hex instead. */ |
| 432 | |
| 433 | decout (stream, type, val) |
| 434 | FILE *stream; |
| 435 | struct type *type; |
| 436 | LONGEST val; |
| 437 | { |
| 438 | long lv = val; |
| 439 | |
| 440 | switch (output_radix) |
| 441 | { |
| 442 | case 0: |
| 443 | if ((lv == val || (unsigned) lv == val) |
| 444 | && ((lv & 0xf0000000) == 0x80000000 |
| 445 | || ((lv & 0xf0000000) == 0xf0000000 && lv < STACK_END_ADDR))) |
| 446 | { |
| 447 | print_longest (stream, "x", 0, val); |
| 448 | return; |
| 449 | } |
| 450 | |
| 451 | case 10: |
| 452 | print_longest (stream, TYPE_UNSIGNED (type) ? "u" : "d", 0, val); |
| 453 | return; |
| 454 | |
| 455 | case 8: |
| 456 | print_longest (stream, "o", 0, val); |
| 457 | return; |
| 458 | |
| 459 | case 16: |
| 460 | print_longest (stream, "x", 0, val); |
| 461 | return; |
| 462 | } |
| 463 | } |
| 464 | |
| 465 | /* Change the default output radix to 10 or 16, or set it to 0 (heuristic). |
| 466 | This command is mostly obsolete now that the print command allows |
| 467 | formats to apply to aggregates, but is still handy occasionally. */ |
| 468 | |
| 469 | static void |
| 470 | set_base_command (arg) |
| 471 | char *arg; |
| 472 | { |
| 473 | int new_radix; |
| 474 | |
| 475 | if (!arg) |
| 476 | output_radix = 0; |
| 477 | else |
| 478 | { |
| 479 | new_radix = atoi (arg); |
| 480 | if (new_radix != 10 && new_radix != 16 && new_radix != 8) |
| 481 | error ("base must be 8, 10 or 16, or null"); |
| 482 | else output_radix = new_radix; |
| 483 | } |
| 484 | } |
| 485 | |
| 486 | /* Turn pipelining on or off in the inferior. */ |
| 487 | |
| 488 | static void |
| 489 | set_pipelining_command (arg) |
| 490 | char *arg; |
| 491 | { |
| 492 | if (!arg) |
| 493 | { |
| 494 | sequential = !sequential; |
| 495 | printf_filtered ("%s\n", sequential ? "off" : "on"); |
| 496 | } |
| 497 | else if (STREQ (arg, "on")) |
| 498 | sequential = 0; |
| 499 | else if (STREQ (arg, "off")) |
| 500 | sequential = 1; |
| 501 | else error ("valid args are `on', to allow instructions to overlap, or\n\ |
| 502 | `off', to prevent it and thereby pinpoint exceptions."); |
| 503 | } |
| 504 | |
| 505 | /* Enable, disable, or force parallel execution in the inferior. */ |
| 506 | |
| 507 | static void |
| 508 | set_parallel_command (arg) |
| 509 | char *arg; |
| 510 | { |
| 511 | struct rlimit rl; |
| 512 | int prevparallel = parallel; |
| 513 | |
| 514 | if (!strncmp (arg, "fixed", strlen (arg))) |
| 515 | parallel = 2; |
| 516 | else if (STREQ (arg, "on")) |
| 517 | parallel = 1; |
| 518 | else if (STREQ (arg, "off")) |
| 519 | parallel = 0; |
| 520 | else error ("valid args are `on', to allow multiple threads, or\n\ |
| 521 | `fixed', to force multiple threads, or\n\ |
| 522 | `off', to run with one thread only."); |
| 523 | |
| 524 | if ((prevparallel == 0) != (parallel == 0) && inferior_pid) |
| 525 | printf_filtered ("will take effect at next run.\n"); |
| 526 | |
| 527 | getrlimit (RLIMIT_CONCUR, &rl); |
| 528 | rl.rlim_cur = parallel ? rl.rlim_max : 1; |
| 529 | setrlimit (RLIMIT_CONCUR, &rl); |
| 530 | |
| 531 | if (inferior_pid) |
| 532 | set_fixed_scheduling (inferior_pid, parallel == 2); |
| 533 | } |
| 534 | |
| 535 | /* Add a new name for an existing command. */ |
| 536 | |
| 537 | static void |
| 538 | alias_command (arg) |
| 539 | char *arg; |
| 540 | { |
| 541 | static char *aliaserr = "usage is `alias NEW OLD', no args allowed"; |
| 542 | char *newname = arg; |
| 543 | struct cmd_list_element *new, *old; |
| 544 | |
| 545 | if (!arg) |
| 546 | error_no_arg ("newname oldname"); |
| 547 | |
| 548 | new = lookup_cmd (&arg, cmdlist, "", -1); |
| 549 | if (new && !strncmp (newname, new->name, strlen (new->name))) |
| 550 | { |
| 551 | newname = new->name; |
| 552 | if (!(*arg == '-' |
| 553 | || (*arg >= 'a' && *arg <= 'z') |
| 554 | || (*arg >= 'A' && *arg <= 'Z') |
| 555 | || (*arg >= '0' && *arg <= '9'))) |
| 556 | error (aliaserr); |
| 557 | } |
| 558 | else |
| 559 | { |
| 560 | arg = newname; |
| 561 | while (*arg == '-' |
| 562 | || (*arg >= 'a' && *arg <= 'z') |
| 563 | || (*arg >= 'A' && *arg <= 'Z') |
| 564 | || (*arg >= '0' && *arg <= '9')) |
| 565 | arg++; |
| 566 | if (*arg != ' ' && *arg != '\t') |
| 567 | error (aliaserr); |
| 568 | *arg = '\0'; |
| 569 | arg++; |
| 570 | } |
| 571 | |
| 572 | old = lookup_cmd (&arg, cmdlist, "", 0); |
| 573 | |
| 574 | if (*arg != '\0') |
| 575 | error (aliaserr); |
| 576 | |
| 577 | if (new && !strncmp (newname, new->name, strlen (new->name))) |
| 578 | { |
| 579 | char *tem; |
| 580 | if (new->class == (int) class_user || new->class == (int) class_alias) |
| 581 | tem = "Redefine command \"%s\"? "; |
| 582 | else |
| 583 | tem = "Really redefine built-in command \"%s\"? "; |
| 584 | if (!query (tem, new->name)) |
| 585 | error ("Command \"%s\" not redefined.", new->name); |
| 586 | } |
| 587 | |
| 588 | add_com (newname, class_alias, old->function, old->doc); |
| 589 | } |
| 590 | |
| 591 | |
| 592 | |
| 593 | /* Print the current thread number, and any threads with signals in the |
| 594 | queue. */ |
| 595 | |
| 596 | thread_info () |
| 597 | { |
| 598 | struct threadpid *p; |
| 599 | |
| 600 | if (have_inferior_p ()) |
| 601 | { |
| 602 | ps.pi_buffer = (char *) &comm_registers; |
| 603 | ps.pi_nbytes = sizeof comm_registers; |
| 604 | ps.pi_offset = 0; |
| 605 | ps.pi_thread = inferior_thread; |
| 606 | ioctl (inferior_fd, PIXRDCREGS, &ps); |
| 607 | } |
| 608 | |
| 609 | /* FIXME: stop_signal is from target.h but stop_sigcode is a |
| 610 | convex-specific thing. */ |
| 611 | printf_filtered ("Current thread %d stopped with signal %d.%d (%s).\n", |
| 612 | inferior_thread, stop_signal, stop_sigcode, |
| 613 | subsig_name (stop_signal, stop_sigcode)); |
| 614 | |
| 615 | for (p = signal_stack; p->pid; p--) |
| 616 | printf_filtered ("Thread %d stopped with signal %d.%d (%s).\n", |
| 617 | p->thread, p->signo, p->subsig, |
| 618 | subsig_name (p->signo, p->subsig)); |
| 619 | |
| 620 | if (iscrlbit (comm_registers.crctl.lbits.cc, 64+13)) |
| 621 | printf_filtered ("New thread start pc %#x\n", |
| 622 | (long) (comm_registers.crreg.pcpsw >> 32)); |
| 623 | } |
| 624 | |
| 625 | /* Return string describing a signal.subcode number */ |
| 626 | |
| 627 | static char * |
| 628 | subsig_name (signo, subcode) |
| 629 | int signo, subcode; |
| 630 | { |
| 631 | static char *subsig4[] = { |
| 632 | "error exit", "privileged instruction", "unknown", |
| 633 | "unknown", "undefined opcode", |
| 634 | 0}; |
| 635 | static char *subsig5[] = {0, |
| 636 | "breakpoint", "single step", "fork trap", "exec trap", "pfork trap", |
| 637 | "join trap", "idle trap", "last thread", "wfork trap", |
| 638 | "process breakpoint", "trap instruction", |
| 639 | 0}; |
| 640 | static char *subsig8[] = {0, |
| 641 | "int overflow", "int divide check", "float overflow", |
| 642 | "float divide check", "float underflow", "reserved operand", |
| 643 | "sqrt error", "exp error", "ln error", "sin error", "cos error", |
| 644 | 0}; |
| 645 | static char *subsig10[] = {0, |
| 646 | "invalid inward ring address", "invalid outward ring call", |
| 647 | "invalid inward ring return", "invalid syscall gate", |
| 648 | "invalid rtn frame length", "invalid comm reg address", |
| 649 | "invalid trap gate", |
| 650 | 0}; |
| 651 | static char *subsig11[] = {0, |
| 652 | "read access denied", "write access denied", "execute access denied", |
| 653 | "segment descriptor fault", "page table fault", "data reference fault", |
| 654 | "i/o access denied", "levt pte invalid", |
| 655 | 0}; |
| 656 | |
| 657 | static char **subsig_list[] = |
| 658 | {0, 0, 0, 0, subsig4, subsig5, 0, 0, subsig8, 0, subsig10, subsig11, 0}; |
| 659 | |
| 660 | int i; |
| 661 | char *p; |
| 662 | |
| 663 | if ((p = strsignal (signo)) == NULL) |
| 664 | p = "unknown"; |
| 665 | if (signo >= (sizeof subsig_list / sizeof *subsig_list) |
| 666 | || !subsig_list[signo]) |
| 667 | return p; |
| 668 | for (i = 1; subsig_list[signo][i]; i++) |
| 669 | if (i == subcode) |
| 670 | return subsig_list[signo][subcode]; |
| 671 | return p; |
| 672 | } |
| 673 | |
| 674 | |
| 675 | /* Print a compact display of thread status, essentially x/i $pc |
| 676 | for all active threads. */ |
| 677 | |
| 678 | static void |
| 679 | threadstat () |
| 680 | { |
| 681 | int t; |
| 682 | |
| 683 | for (t = 0; t < n_threads; t++) |
| 684 | if (thread_state[t] == PI_TALIVE) |
| 685 | { |
| 686 | printf_filtered ("%d%c %08x%c %d.%d ", t, |
| 687 | (t == inferior_thread ? '*' : ' '), thread_pc[t], |
| 688 | (thread_is_in_kernel[t] ? '#' : ' '), |
| 689 | thread_signal[t], thread_sigcode[t]); |
| 690 | print_insn (thread_pc[t], stdout); |
| 691 | printf_filtered ("\n"); |
| 692 | } |
| 693 | } |
| 694 | |
| 695 | /* Change the current thread to ARG. */ |
| 696 | |
| 697 | set_thread_command (arg) |
| 698 | char *arg; |
| 699 | { |
| 700 | int thread; |
| 701 | |
| 702 | if (!arg) |
| 703 | { |
| 704 | threadstat (); |
| 705 | return; |
| 706 | } |
| 707 | |
| 708 | thread = parse_and_eval_address (arg); |
| 709 | |
| 710 | if (thread < 0 || thread > n_threads || thread_state[thread] != PI_TALIVE) |
| 711 | error ("no such thread."); |
| 712 | |
| 713 | select_thread (thread); |
| 714 | |
| 715 | stop_pc = read_pc (); |
| 716 | flush_cached_frames (); |
| 717 | select_frame (get_current_frame (), 0); |
| 718 | print_stack_frame (selected_frame, selected_frame_level, -1); |
| 719 | } |
| 720 | |
| 721 | /* Here on CONT command; gdb's dispatch address is changed to come here. |
| 722 | Set global variable ALL_CONTINUE to tell resume() that it should |
| 723 | start up all threads, and that a thread switch will not blow gdb's |
| 724 | mind. */ |
| 725 | |
| 726 | static void |
| 727 | convex_cont_command (proc_count_exp, from_tty) |
| 728 | char *proc_count_exp; |
| 729 | int from_tty; |
| 730 | { |
| 731 | all_continue = 1; |
| 732 | cont_command (proc_count_exp, from_tty); |
| 733 | } |
| 734 | |
| 735 | /* Here on 1CONT command. Resume only the current thread. */ |
| 736 | |
| 737 | one_cont_command (proc_count_exp, from_tty) |
| 738 | char *proc_count_exp; |
| 739 | int from_tty; |
| 740 | { |
| 741 | cont_command (proc_count_exp, from_tty); |
| 742 | } |
| 743 | |
| 744 | /* Print the contents and lock bits of all communication registers, |
| 745 | or just register ARG if ARG is a communication register, |
| 746 | or the 3-word resource structure in memory at address ARG. */ |
| 747 | |
| 748 | comm_registers_info (arg) |
| 749 | char *arg; |
| 750 | { |
| 751 | int i, regnum; |
| 752 | |
| 753 | if (arg) |
| 754 | { |
| 755 | if (sscanf (arg, "$c%d", ®num) == 1) { |
| 756 | ; |
| 757 | } else if (sscanf (arg, "$C%d", ®num) == 1) { |
| 758 | ; |
| 759 | } else { |
| 760 | regnum = parse_and_eval_address (arg); |
| 761 | if (regnum > 0) |
| 762 | regnum &= ~0x8000; |
| 763 | } |
| 764 | |
| 765 | if (regnum >= 64) |
| 766 | error ("%s: invalid register name.", arg); |
| 767 | |
| 768 | /* if we got a (user) address, examine the resource struct there */ |
| 769 | |
| 770 | if (regnum < 0) |
| 771 | { |
| 772 | static int buf[3]; |
| 773 | read_memory (regnum, buf, sizeof buf); |
| 774 | printf_filtered ("%08x %08x%08x%s\n", regnum, buf[1], buf[2], |
| 775 | buf[0] & 0xff ? " locked" : ""); |
| 776 | return; |
| 777 | } |
| 778 | } |
| 779 | |
| 780 | ps.pi_buffer = (char *) &comm_registers; |
| 781 | ps.pi_nbytes = sizeof comm_registers; |
| 782 | ps.pi_offset = 0; |
| 783 | ps.pi_thread = inferior_thread; |
| 784 | ioctl (inferior_fd, PIXRDCREGS, &ps); |
| 785 | |
| 786 | for (i = 0; i < 64; i++) |
| 787 | if (!arg || i == regnum) |
| 788 | printf_filtered ("%2d 0x8%03x %016llx%s\n", i, i, |
| 789 | comm_registers.crreg.r4[i], |
| 790 | (iscrlbit (comm_registers.crctl.lbits.cc, i) |
| 791 | ? " locked" : "")); |
| 792 | } |
| 793 | |
| 794 | /* Print the psw */ |
| 795 | |
| 796 | static void |
| 797 | psw_info (arg) |
| 798 | char *arg; |
| 799 | { |
| 800 | struct pswbit |
| 801 | { |
| 802 | int bit; |
| 803 | int pos; |
| 804 | char *text; |
| 805 | }; |
| 806 | |
| 807 | static struct pswbit pswbit[] = |
| 808 | { |
| 809 | { 0x80000000, -1, "A carry" }, |
| 810 | { 0x40000000, -1, "A integer overflow" }, |
| 811 | { 0x20000000, -1, "A zero divide" }, |
| 812 | { 0x10000000, -1, "Integer overflow enable" }, |
| 813 | { 0x08000000, -1, "Trace" }, |
| 814 | { 0x06000000, 25, "Frame length" }, |
| 815 | { 0x01000000, -1, "Sequential" }, |
| 816 | { 0x00800000, -1, "S carry" }, |
| 817 | { 0x00400000, -1, "S integer overflow" }, |
| 818 | { 0x00200000, -1, "S zero divide" }, |
| 819 | { 0x00100000, -1, "Zero divide enable" }, |
| 820 | { 0x00080000, -1, "Floating underflow" }, |
| 821 | { 0x00040000, -1, "Floating overflow" }, |
| 822 | { 0x00020000, -1, "Floating reserved operand" }, |
| 823 | { 0x00010000, -1, "Floating zero divide" }, |
| 824 | { 0x00008000, -1, "Floating error enable" }, |
| 825 | { 0x00004000, -1, "Floating underflow enable" }, |
| 826 | { 0x00002000, -1, "IEEE" }, |
| 827 | { 0x00001000, -1, "Sequential stores" }, |
| 828 | { 0x00000800, -1, "Intrinsic error" }, |
| 829 | { 0x00000400, -1, "Intrinsic error enable" }, |
| 830 | { 0x00000200, -1, "Trace thread creates" }, |
| 831 | { 0x00000100, -1, "Thread init trap" }, |
| 832 | { 0x000000e0, 5, "Reserved" }, |
| 833 | { 0x0000001f, 0, "Intrinsic error code" }, |
| 834 | {0, 0, 0}, |
| 835 | }; |
| 836 | |
| 837 | long psw; |
| 838 | struct pswbit *p; |
| 839 | |
| 840 | if (arg) |
| 841 | psw = parse_and_eval_address (arg); |
| 842 | else |
| 843 | psw = read_register (PS_REGNUM); |
| 844 | |
| 845 | for (p = pswbit; p->bit; p++) |
| 846 | { |
| 847 | if (p->pos < 0) |
| 848 | printf_filtered ("%08x %s %s\n", p->bit, |
| 849 | (psw & p->bit) ? "yes" : "no ", p->text); |
| 850 | else |
| 851 | printf_filtered ("%08x %3d %s\n", p->bit, |
| 852 | (psw & p->bit) >> p->pos, p->text); |
| 853 | } |
| 854 | } |
| 855 | \f |
| 856 | #include "symtab.h" |
| 857 | |
| 858 | /* reg (fmt_field, inst_field) -- |
| 859 | the {first,second,third} operand of instruction as fmt_field = [ijk] |
| 860 | gets the value of the field from the [ijk] position of the instruction */ |
| 861 | |
| 862 | #define reg(a,b) ((char (*)[3])(op[fmt->a]))[inst.f0.b] |
| 863 | |
| 864 | /* lit (fmt_field) -- field [ijk] is a literal (PSW, VL, eg) */ |
| 865 | |
| 866 | #define lit(i) op[fmt->i] |
| 867 | |
| 868 | /* aj[j] -- name for A register j */ |
| 869 | |
| 870 | #define aj ((char (*)[3])(op[A])) |
| 871 | \f |
| 872 | union inst { |
| 873 | struct { |
| 874 | unsigned : 7; |
| 875 | unsigned i : 3; |
| 876 | unsigned j : 3; |
| 877 | unsigned k : 3; |
| 878 | unsigned : 16; |
| 879 | unsigned : 32; |
| 880 | } f0; |
| 881 | struct { |
| 882 | unsigned : 8; |
| 883 | unsigned indir : 1; |
| 884 | unsigned len : 1; |
| 885 | unsigned j : 3; |
| 886 | unsigned k : 3; |
| 887 | unsigned : 16; |
| 888 | unsigned : 32; |
| 889 | } f1; |
| 890 | unsigned char byte[8]; |
| 891 | unsigned short half[4]; |
| 892 | char signed_byte[8]; |
| 893 | short signed_half[4]; |
| 894 | }; |
| 895 | |
| 896 | struct opform { |
| 897 | int mask; /* opcode mask */ |
| 898 | int shift; /* opcode align */ |
| 899 | struct formstr *formstr[3]; /* ST, E0, E1 */ |
| 900 | }; |
| 901 | |
| 902 | struct formstr { |
| 903 | unsigned lop:8, rop:5; /* opcode */ |
| 904 | unsigned fmt:5; /* inst format */ |
| 905 | unsigned i:5, j:5, k:2; /* operand formats */ |
| 906 | }; |
| 907 | |
| 908 | #include "opcode/convex.h" |
| 909 | |
| 910 | CONST unsigned char formdecode [] = { |
| 911 | 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, |
| 912 | 9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9, |
| 913 | 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, |
| 914 | 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, |
| 915 | 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, |
| 916 | 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, |
| 917 | 3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3, |
| 918 | 4,4,4,4,4,4,4,4,5,5,5,5,6,6,7,8, |
| 919 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, |
| 920 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, |
| 921 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, |
| 922 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, |
| 923 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, |
| 924 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, |
| 925 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, |
| 926 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, |
| 927 | }; |
| 928 | |
| 929 | CONST struct opform opdecode[] = { |
| 930 | 0x7e00, 9, format0, e0_format0, e1_format0, |
| 931 | 0x3f00, 8, format1, e0_format1, e1_format1, |
| 932 | 0x1fc0, 6, format2, e0_format2, e1_format2, |
| 933 | 0x0fc0, 6, format3, e0_format3, e1_format3, |
| 934 | 0x0700, 8, format4, e0_format4, e1_format4, |
| 935 | 0x03c0, 6, format5, e0_format5, e1_format5, |
| 936 | 0x01f8, 3, format6, e0_format6, e1_format6, |
| 937 | 0x00f8, 3, format7, e0_format7, e1_format7, |
| 938 | 0x0000, 0, formatx, formatx, formatx, |
| 939 | 0x0f80, 7, formatx, formatx, formatx, |
| 940 | 0x0f80, 7, formatx, formatx, formatx, |
| 941 | }; |
| 942 | \f |
| 943 | /* Print the instruction at address MEMADDR in debugged memory, |
| 944 | on STREAM. Returns length of the instruction, in bytes. */ |
| 945 | |
| 946 | int |
| 947 | convex_print_insn (memaddr, stream) |
| 948 | CORE_ADDR memaddr; |
| 949 | FILE *stream; |
| 950 | { |
| 951 | union inst inst; |
| 952 | struct formstr *fmt; |
| 953 | register int format, op1, pfx; |
| 954 | int l; |
| 955 | |
| 956 | read_memory (memaddr, &inst, sizeof inst); |
| 957 | |
| 958 | /* Remove and note prefix, if present */ |
| 959 | |
| 960 | pfx = inst.half[0]; |
| 961 | if ((pfx & 0xfff0) == 0x7ef0) |
| 962 | { |
| 963 | pfx = ((pfx >> 3) & 1) + 1; |
| 964 | *(long long *) &inst = *(long long *) &inst.half[1]; |
| 965 | } |
| 966 | else pfx = 0; |
| 967 | |
| 968 | /* Split opcode into format.op1 and look up in appropriate table */ |
| 969 | |
| 970 | format = formdecode[inst.byte[0]]; |
| 971 | op1 = (inst.half[0] & opdecode[format].mask) >> opdecode[format].shift; |
| 972 | if (format == 9) |
| 973 | { |
| 974 | if (pfx) |
| 975 | fmt = formatx; |
| 976 | else if (inst.f1.j == 0) |
| 977 | fmt = &format1a[op1]; |
| 978 | else if (inst.f1.j == 1) |
| 979 | fmt = &format1b[op1]; |
| 980 | else |
| 981 | fmt = formatx; |
| 982 | } |
| 983 | else |
| 984 | fmt = &opdecode[format].formstr[pfx][op1]; |
| 985 | |
| 986 | /* Print it */ |
| 987 | |
| 988 | if (fmt->fmt == xxx) |
| 989 | { |
| 990 | /* noninstruction */ |
| 991 | fprintf (stream, "0x%04x", pfx ? pfx : inst.half[0]); |
| 992 | return 2; |
| 993 | } |
| 994 | |
| 995 | if (pfx) |
| 996 | pfx = 2; |
| 997 | |
| 998 | fprintf (stream, "%s%s%s", lop[fmt->lop], rop[fmt->rop], |
| 999 | &" "[strlen(lop[fmt->lop]) + strlen(rop[fmt->rop])]); |
| 1000 | |
| 1001 | switch (fmt->fmt) |
| 1002 | { |
| 1003 | case rrr: /* three register */ |
| 1004 | fprintf (stream, "%s,%s,%s", reg(i,i), reg(j,j), reg(k,k)); |
| 1005 | return pfx + 2; |
| 1006 | |
| 1007 | case rr: /* two register */ |
| 1008 | fprintf (stream, "%s,%s", reg(i,j), reg(j,k)); |
| 1009 | return pfx + 2; |
| 1010 | |
| 1011 | case rxr: /* two register, reversed i and j fields */ |
| 1012 | fprintf (stream, "%s,%s", reg(i,k), reg(j,j)); |
| 1013 | return pfx + 2; |
| 1014 | |
| 1015 | case r: /* one register */ |
| 1016 | fprintf (stream, "%s", reg(i,k)); |
| 1017 | return pfx + 2; |
| 1018 | |
| 1019 | case nops: /* no operands */ |
| 1020 | return pfx + 2; |
| 1021 | |
| 1022 | case nr: /* short immediate, one register */ |
| 1023 | fprintf (stream, "#%d,%s", inst.f0.j, reg(i,k)); |
| 1024 | return pfx + 2; |
| 1025 | |
| 1026 | case pcrel: /* pc relative */ |
| 1027 | print_address (memaddr + 2 * inst.signed_byte[1], stream); |
| 1028 | return pfx + 2; |
| 1029 | |
| 1030 | case lr: /* literal, one register */ |
| 1031 | fprintf (stream, "%s,%s", lit(i), reg(j,k)); |
| 1032 | return pfx + 2; |
| 1033 | |
| 1034 | case rxl: /* one register, literal */ |
| 1035 | fprintf (stream, "%s,%s", reg(i,k), lit(j)); |
| 1036 | return pfx + 2; |
| 1037 | |
| 1038 | case rlr: /* register, literal, register */ |
| 1039 | fprintf (stream, "%s,%s,%s", reg(i,j), lit(j), reg(k,k)); |
| 1040 | return pfx + 2; |
| 1041 | |
| 1042 | case rrl: /* register, register, literal */ |
| 1043 | fprintf (stream, "%s,%s,%s", reg(i,j), reg(j,k), lit(k)); |
| 1044 | return pfx + 2; |
| 1045 | |
| 1046 | case iml: /* immediate, literal */ |
| 1047 | if (inst.f1.len) |
| 1048 | { |
| 1049 | fprintf (stream, "#%#x,%s", |
| 1050 | (inst.signed_half[1] << 16) + inst.half[2], lit(i)); |
| 1051 | return pfx + 6; |
| 1052 | } |
| 1053 | else |
| 1054 | { |
| 1055 | fprintf (stream, "#%d,%s", inst.signed_half[1], lit(i)); |
| 1056 | return pfx + 4; |
| 1057 | } |
| 1058 | |
| 1059 | case imr: /* immediate, register */ |
| 1060 | if (inst.f1.len) |
| 1061 | { |
| 1062 | fprintf (stream, "#%#x,%s", |
| 1063 | (inst.signed_half[1] << 16) + inst.half[2], reg(i,k)); |
| 1064 | return pfx + 6; |
| 1065 | } |
| 1066 | else |
| 1067 | { |
| 1068 | fprintf (stream, "#%d,%s", inst.signed_half[1], reg(i,k)); |
| 1069 | return pfx + 4; |
| 1070 | } |
| 1071 | |
| 1072 | case a1r: /* memory, register */ |
| 1073 | l = print_effa (inst, stream); |
| 1074 | fprintf (stream, ",%s", reg(i,k)); |
| 1075 | return pfx + l; |
| 1076 | |
| 1077 | case a1l: /* memory, literal */ |
| 1078 | l = print_effa (inst, stream); |
| 1079 | fprintf (stream, ",%s", lit(i)); |
| 1080 | return pfx + l; |
| 1081 | |
| 1082 | case a2r: /* register, memory */ |
| 1083 | fprintf (stream, "%s,", reg(i,k)); |
| 1084 | return pfx + print_effa (inst, stream); |
| 1085 | |
| 1086 | case a2l: /* literal, memory */ |
| 1087 | fprintf (stream, "%s,", lit(i)); |
| 1088 | return pfx + print_effa (inst, stream); |
| 1089 | |
| 1090 | case a3: /* memory */ |
| 1091 | return pfx + print_effa (inst, stream); |
| 1092 | |
| 1093 | case a4: /* system call */ |
| 1094 | l = 29; goto a4a5; |
| 1095 | case a5: /* trap */ |
| 1096 | l = 27; |
| 1097 | a4a5: |
| 1098 | if (inst.f1.len) |
| 1099 | { |
| 1100 | unsigned int m = (inst.signed_half[1] << 16) + inst.half[2]; |
| 1101 | fprintf (stream, "#%d,#%d", m >> l, m & (-1 >> (32-l))); |
| 1102 | return pfx + 6; |
| 1103 | } |
| 1104 | else |
| 1105 | { |
| 1106 | unsigned int m = inst.signed_half[1]; |
| 1107 | fprintf (stream, "#%d,#%d", m >> l, m & (-1 >> (32-l))); |
| 1108 | return pfx + 4; |
| 1109 | } |
| 1110 | } |
| 1111 | } |
| 1112 | |
| 1113 | |
| 1114 | /* print effective address @nnn(aj), return instruction length */ |
| 1115 | |
| 1116 | int print_effa (inst, stream) |
| 1117 | union inst inst; |
| 1118 | FILE *stream; |
| 1119 | { |
| 1120 | int n, l; |
| 1121 | |
| 1122 | if (inst.f1.len) |
| 1123 | { |
| 1124 | n = (inst.signed_half[1] << 16) + inst.half[2]; |
| 1125 | l = 6; |
| 1126 | } |
| 1127 | else |
| 1128 | { |
| 1129 | n = inst.signed_half[1]; |
| 1130 | l = 4; |
| 1131 | } |
| 1132 | |
| 1133 | if (inst.f1.indir) |
| 1134 | printf ("@"); |
| 1135 | |
| 1136 | if (!inst.f1.j) |
| 1137 | { |
| 1138 | print_address (n, stream); |
| 1139 | return l; |
| 1140 | } |
| 1141 | |
| 1142 | fprintf (stream, (n & 0xf0000000) == 0x80000000 ? "%#x(%s)" : "%d(%s)", |
| 1143 | n, aj[inst.f1.j]); |
| 1144 | |
| 1145 | return l; |
| 1146 | } |
| 1147 | |
| 1148 | \f |
| 1149 | void |
| 1150 | _initialize_convex_dep () |
| 1151 | { |
| 1152 | add_com ("alias", class_support, alias_command, |
| 1153 | "Add a new name for an existing command."); |
| 1154 | |
| 1155 | add_cmd ("base", class_vars, set_base_command, |
| 1156 | "Change the integer output radix to 8, 10 or 16\n\ |
| 1157 | or use just `set base' with no args to return to the ad-hoc default,\n\ |
| 1158 | which is 16 for integers that look like addresses, 10 otherwise.", |
| 1159 | &setlist); |
| 1160 | |
| 1161 | add_cmd ("pipeline", class_run, set_pipelining_command, |
| 1162 | "Enable or disable overlapped execution of instructions.\n\ |
| 1163 | With `set pipe off', exceptions are reported with\n\ |
| 1164 | $pc pointing at the instruction after the faulting one.\n\ |
| 1165 | The default is `set pipe on', which runs faster.", |
| 1166 | &setlist); |
| 1167 | |
| 1168 | add_cmd ("parallel", class_run, set_parallel_command, |
| 1169 | "Enable or disable multi-threaded execution of parallel code.\n\ |
| 1170 | `set parallel off' means run the program on a single CPU.\n\ |
| 1171 | `set parallel fixed' means run the program with all CPUs assigned to it.\n\ |
| 1172 | `set parallel on' means run the program on any CPUs that are available.", |
| 1173 | &setlist); |
| 1174 | |
| 1175 | add_com ("1cont", class_run, one_cont_command, |
| 1176 | "Continue the program, activating only the current thread.\n\ |
| 1177 | Args are the same as the `cont' command."); |
| 1178 | |
| 1179 | add_com ("thread", class_run, set_thread_command, |
| 1180 | "Change the current thread, the one under scrutiny and control.\n\ |
| 1181 | With no arg, show the active threads, the current one marked with *."); |
| 1182 | |
| 1183 | add_info ("threads", thread_info, |
| 1184 | "List status of active threads."); |
| 1185 | |
| 1186 | add_info ("comm-registers", comm_registers_info, |
| 1187 | "List communication registers and their contents.\n\ |
| 1188 | A communication register name as argument means describe only that register.\n\ |
| 1189 | An address as argument means describe the resource structure at that address.\n\ |
| 1190 | `Locked' means that the register has been sent to but not yet received from."); |
| 1191 | |
| 1192 | add_info ("psw", psw_info, |
| 1193 | "Display $ps, the processor status word, bit by bit.\n\ |
| 1194 | An argument means display that value's interpretation as a psw."); |
| 1195 | |
| 1196 | add_cmd ("convex", no_class, 0, "Convex-specific commands.\n\ |
| 1197 | 32-bit registers $pc $ps $sp $ap $fp $a1-5 $s0-7 $v0-7 $vl $vs $vm $c0-63\n\ |
| 1198 | 64-bit registers $S0-7 $V0-7 $C0-63\n\ |
| 1199 | \n\ |
| 1200 | info threads display info on stopped threads waiting to signal\n\ |
| 1201 | thread display list of active threads\n\ |
| 1202 | thread N select thread N (its registers, stack, memory, etc.)\n\ |
| 1203 | step, next, etc step selected thread only\n\ |
| 1204 | 1cont continue selected thread only\n\ |
| 1205 | cont continue all threads\n\ |
| 1206 | info comm-registers display contents of comm register(s) or a resource struct\n\ |
| 1207 | info psw display processor status word $ps\n\ |
| 1208 | set base N change integer radix used by `print' without a format\n\ |
| 1209 | set pipeline off exceptions are precise, $pc points after the faulting insn\n\ |
| 1210 | set pipeline on normal mode, $pc is somewhere ahead of faulting insn\n\ |
| 1211 | set parallel off program runs on a single CPU\n\ |
| 1212 | set parallel fixed all CPUs are assigned to the program\n\ |
| 1213 | set parallel on normal mode, parallel execution on random available CPUs\n\ |
| 1214 | ", |
| 1215 | &cmdlist); |
| 1216 | |
| 1217 | } |