| 1 | /* MI Command Set. |
| 2 | |
| 3 | Copyright 2000, 2001, 2002, 2003, 2004 Free Software Foundation, |
| 4 | Inc. |
| 5 | |
| 6 | Contributed by Cygnus Solutions (a Red Hat company). |
| 7 | |
| 8 | This file is part of GDB. |
| 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 2 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., 59 Temple Place - Suite 330, |
| 23 | Boston, MA 02111-1307, USA. */ |
| 24 | |
| 25 | /* Work in progress */ |
| 26 | |
| 27 | #include "defs.h" |
| 28 | #include "target.h" |
| 29 | #include "inferior.h" |
| 30 | #include "gdb_string.h" |
| 31 | #include "top.h" |
| 32 | #include "gdbthread.h" |
| 33 | #include "mi-cmds.h" |
| 34 | #include "mi-parse.h" |
| 35 | #include "mi-getopt.h" |
| 36 | #include "mi-console.h" |
| 37 | #include "ui-out.h" |
| 38 | #include "mi-out.h" |
| 39 | #include "interps.h" |
| 40 | #include "event-loop.h" |
| 41 | #include "event-top.h" |
| 42 | #include "gdbcore.h" /* for write_memory() */ |
| 43 | #include "value.h" /* for deprecated_write_register_bytes() */ |
| 44 | #include "regcache.h" |
| 45 | #include "gdb.h" |
| 46 | #include "frame.h" |
| 47 | #include "mi-main.h" |
| 48 | |
| 49 | #include <ctype.h> |
| 50 | #include <sys/time.h> |
| 51 | |
| 52 | enum |
| 53 | { |
| 54 | FROM_TTY = 0 |
| 55 | }; |
| 56 | |
| 57 | /* Enumerations of the actions that may result from calling |
| 58 | captured_mi_execute_command */ |
| 59 | |
| 60 | enum captured_mi_execute_command_actions |
| 61 | { |
| 62 | EXECUTE_COMMAND_DISPLAY_PROMPT, |
| 63 | EXECUTE_COMMAND_SUPRESS_PROMPT, |
| 64 | EXECUTE_COMMAND_DISPLAY_ERROR |
| 65 | }; |
| 66 | |
| 67 | /* This structure is used to pass information from captured_mi_execute_command |
| 68 | to mi_execute_command. */ |
| 69 | struct captured_mi_execute_command_args |
| 70 | { |
| 71 | /* This return result of the MI command (output) */ |
| 72 | enum mi_cmd_result rc; |
| 73 | |
| 74 | /* What action to perform when the call is finished (output) */ |
| 75 | enum captured_mi_execute_command_actions action; |
| 76 | |
| 77 | /* The command context to be executed (input) */ |
| 78 | struct mi_parse *command; |
| 79 | }; |
| 80 | |
| 81 | int mi_debug_p; |
| 82 | struct ui_file *raw_stdout; |
| 83 | |
| 84 | /* The token of the last asynchronous command */ |
| 85 | static char *last_async_command; |
| 86 | static char *previous_async_command; |
| 87 | char *mi_error_message; |
| 88 | static char *old_regs; |
| 89 | |
| 90 | extern void _initialize_mi_main (void); |
| 91 | static enum mi_cmd_result mi_cmd_execute (struct mi_parse *parse); |
| 92 | |
| 93 | static void mi_execute_cli_command (const char *cmd, int args_p, |
| 94 | const char *args); |
| 95 | static enum mi_cmd_result mi_execute_async_cli_command (char *mi, char *args, int from_tty); |
| 96 | |
| 97 | static void mi_exec_async_cli_cmd_continuation (struct continuation_arg *arg); |
| 98 | |
| 99 | static int register_changed_p (int regnum); |
| 100 | static int get_register (int regnum, int format); |
| 101 | |
| 102 | /* Command implementations. FIXME: Is this libgdb? No. This is the MI |
| 103 | layer that calls libgdb. Any operation used in the below should be |
| 104 | formalized. */ |
| 105 | |
| 106 | enum mi_cmd_result |
| 107 | mi_cmd_gdb_exit (char *command, char **argv, int argc) |
| 108 | { |
| 109 | /* We have to print everything right here because we never return */ |
| 110 | if (last_async_command) |
| 111 | fputs_unfiltered (last_async_command, raw_stdout); |
| 112 | fputs_unfiltered ("^exit\n", raw_stdout); |
| 113 | mi_out_put (uiout, raw_stdout); |
| 114 | /* FIXME: The function called is not yet a formal libgdb function */ |
| 115 | quit_force (NULL, FROM_TTY); |
| 116 | return MI_CMD_DONE; |
| 117 | } |
| 118 | |
| 119 | enum mi_cmd_result |
| 120 | mi_cmd_exec_run (char *args, int from_tty) |
| 121 | { |
| 122 | /* FIXME: Should call a libgdb function, not a cli wrapper */ |
| 123 | return mi_execute_async_cli_command ("run", args, from_tty); |
| 124 | } |
| 125 | |
| 126 | enum mi_cmd_result |
| 127 | mi_cmd_exec_next (char *args, int from_tty) |
| 128 | { |
| 129 | /* FIXME: Should call a libgdb function, not a cli wrapper */ |
| 130 | return mi_execute_async_cli_command ("next", args, from_tty); |
| 131 | } |
| 132 | |
| 133 | enum mi_cmd_result |
| 134 | mi_cmd_exec_next_instruction (char *args, int from_tty) |
| 135 | { |
| 136 | /* FIXME: Should call a libgdb function, not a cli wrapper */ |
| 137 | return mi_execute_async_cli_command ("nexti", args, from_tty); |
| 138 | } |
| 139 | |
| 140 | enum mi_cmd_result |
| 141 | mi_cmd_exec_step (char *args, int from_tty) |
| 142 | { |
| 143 | /* FIXME: Should call a libgdb function, not a cli wrapper */ |
| 144 | return mi_execute_async_cli_command ("step", args, from_tty); |
| 145 | } |
| 146 | |
| 147 | enum mi_cmd_result |
| 148 | mi_cmd_exec_step_instruction (char *args, int from_tty) |
| 149 | { |
| 150 | /* FIXME: Should call a libgdb function, not a cli wrapper */ |
| 151 | return mi_execute_async_cli_command ("stepi", args, from_tty); |
| 152 | } |
| 153 | |
| 154 | enum mi_cmd_result |
| 155 | mi_cmd_exec_finish (char *args, int from_tty) |
| 156 | { |
| 157 | /* FIXME: Should call a libgdb function, not a cli wrapper */ |
| 158 | return mi_execute_async_cli_command ("finish", args, from_tty); |
| 159 | } |
| 160 | |
| 161 | enum mi_cmd_result |
| 162 | mi_cmd_exec_until (char *args, int from_tty) |
| 163 | { |
| 164 | /* FIXME: Should call a libgdb function, not a cli wrapper */ |
| 165 | return mi_execute_async_cli_command ("until", args, from_tty); |
| 166 | } |
| 167 | |
| 168 | enum mi_cmd_result |
| 169 | mi_cmd_exec_return (char *args, int from_tty) |
| 170 | { |
| 171 | /* This command doesn't really execute the target, it just pops the |
| 172 | specified number of frames. */ |
| 173 | if (*args) |
| 174 | /* Call return_command with from_tty argument equal to 0 so as to |
| 175 | avoid being queried. */ |
| 176 | return_command (args, 0); |
| 177 | else |
| 178 | /* Call return_command with from_tty argument equal to 0 so as to |
| 179 | avoid being queried. */ |
| 180 | return_command (NULL, 0); |
| 181 | |
| 182 | /* Because we have called return_command with from_tty = 0, we need |
| 183 | to print the frame here. */ |
| 184 | print_stack_frame (get_selected_frame (), 1, LOC_AND_ADDRESS); |
| 185 | |
| 186 | return MI_CMD_DONE; |
| 187 | } |
| 188 | |
| 189 | enum mi_cmd_result |
| 190 | mi_cmd_exec_continue (char *args, int from_tty) |
| 191 | { |
| 192 | /* FIXME: Should call a libgdb function, not a cli wrapper */ |
| 193 | return mi_execute_async_cli_command ("continue", args, from_tty); |
| 194 | } |
| 195 | |
| 196 | /* Interrupt the execution of the target. Note how we must play around |
| 197 | with the token varialbes, in order to display the current token in |
| 198 | the result of the interrupt command, and the previous execution |
| 199 | token when the target finally stops. See comments in |
| 200 | mi_cmd_execute. */ |
| 201 | enum mi_cmd_result |
| 202 | mi_cmd_exec_interrupt (char *args, int from_tty) |
| 203 | { |
| 204 | if (!target_executing) |
| 205 | { |
| 206 | xasprintf (&mi_error_message, |
| 207 | "mi_cmd_exec_interrupt: Inferior not executing."); |
| 208 | return MI_CMD_ERROR; |
| 209 | } |
| 210 | interrupt_target_command (args, from_tty); |
| 211 | if (last_async_command) |
| 212 | fputs_unfiltered (last_async_command, raw_stdout); |
| 213 | fputs_unfiltered ("^done", raw_stdout); |
| 214 | xfree (last_async_command); |
| 215 | if (previous_async_command) |
| 216 | last_async_command = xstrdup (previous_async_command); |
| 217 | xfree (previous_async_command); |
| 218 | previous_async_command = NULL; |
| 219 | mi_out_put (uiout, raw_stdout); |
| 220 | mi_out_rewind (uiout); |
| 221 | fputs_unfiltered ("\n", raw_stdout); |
| 222 | return MI_CMD_QUIET; |
| 223 | } |
| 224 | |
| 225 | enum mi_cmd_result |
| 226 | mi_cmd_thread_select (char *command, char **argv, int argc) |
| 227 | { |
| 228 | enum gdb_rc rc; |
| 229 | |
| 230 | if (argc != 1) |
| 231 | { |
| 232 | xasprintf (&mi_error_message, |
| 233 | "mi_cmd_thread_select: USAGE: threadnum."); |
| 234 | return MI_CMD_ERROR; |
| 235 | } |
| 236 | else |
| 237 | rc = gdb_thread_select (uiout, argv[0]); |
| 238 | |
| 239 | /* RC is enum gdb_rc if it is successful (>=0) |
| 240 | enum return_reason if not (<0). */ |
| 241 | if ((int) rc < 0 && (enum return_reason) rc == RETURN_ERROR) |
| 242 | return MI_CMD_CAUGHT_ERROR; |
| 243 | else if ((int) rc >= 0 && rc == GDB_RC_FAIL) |
| 244 | return MI_CMD_ERROR; |
| 245 | else |
| 246 | return MI_CMD_DONE; |
| 247 | } |
| 248 | |
| 249 | enum mi_cmd_result |
| 250 | mi_cmd_thread_list_ids (char *command, char **argv, int argc) |
| 251 | { |
| 252 | enum gdb_rc rc = MI_CMD_DONE; |
| 253 | |
| 254 | if (argc != 0) |
| 255 | { |
| 256 | xasprintf (&mi_error_message, |
| 257 | "mi_cmd_thread_list_ids: No arguments required."); |
| 258 | return MI_CMD_ERROR; |
| 259 | } |
| 260 | else |
| 261 | rc = gdb_list_thread_ids (uiout); |
| 262 | |
| 263 | if (rc == GDB_RC_FAIL) |
| 264 | return MI_CMD_CAUGHT_ERROR; |
| 265 | else |
| 266 | return MI_CMD_DONE; |
| 267 | } |
| 268 | |
| 269 | enum mi_cmd_result |
| 270 | mi_cmd_data_list_register_names (char *command, char **argv, int argc) |
| 271 | { |
| 272 | int regnum, numregs; |
| 273 | int i; |
| 274 | struct cleanup *cleanup; |
| 275 | |
| 276 | /* Note that the test for a valid register must include checking the |
| 277 | REGISTER_NAME because NUM_REGS may be allocated for the union of |
| 278 | the register sets within a family of related processors. In this |
| 279 | case, some entries of REGISTER_NAME will change depending upon |
| 280 | the particular processor being debugged. */ |
| 281 | |
| 282 | numregs = NUM_REGS + NUM_PSEUDO_REGS; |
| 283 | |
| 284 | cleanup = make_cleanup_ui_out_list_begin_end (uiout, "register-names"); |
| 285 | |
| 286 | if (argc == 0) /* No args, just do all the regs */ |
| 287 | { |
| 288 | for (regnum = 0; |
| 289 | regnum < numregs; |
| 290 | regnum++) |
| 291 | { |
| 292 | if (REGISTER_NAME (regnum) == NULL |
| 293 | || *(REGISTER_NAME (regnum)) == '\0') |
| 294 | ui_out_field_string (uiout, NULL, ""); |
| 295 | else |
| 296 | ui_out_field_string (uiout, NULL, REGISTER_NAME (regnum)); |
| 297 | } |
| 298 | } |
| 299 | |
| 300 | /* Else, list of register #s, just do listed regs */ |
| 301 | for (i = 0; i < argc; i++) |
| 302 | { |
| 303 | regnum = atoi (argv[i]); |
| 304 | if (regnum < 0 || regnum >= numregs) |
| 305 | { |
| 306 | do_cleanups (cleanup); |
| 307 | xasprintf (&mi_error_message, "bad register number"); |
| 308 | return MI_CMD_ERROR; |
| 309 | } |
| 310 | if (REGISTER_NAME (regnum) == NULL |
| 311 | || *(REGISTER_NAME (regnum)) == '\0') |
| 312 | ui_out_field_string (uiout, NULL, ""); |
| 313 | else |
| 314 | ui_out_field_string (uiout, NULL, REGISTER_NAME (regnum)); |
| 315 | } |
| 316 | do_cleanups (cleanup); |
| 317 | return MI_CMD_DONE; |
| 318 | } |
| 319 | |
| 320 | enum mi_cmd_result |
| 321 | mi_cmd_data_list_changed_registers (char *command, char **argv, int argc) |
| 322 | { |
| 323 | int regnum, numregs, changed; |
| 324 | int i; |
| 325 | struct cleanup *cleanup; |
| 326 | |
| 327 | /* Note that the test for a valid register must include checking the |
| 328 | REGISTER_NAME because NUM_REGS may be allocated for the union of |
| 329 | the register sets within a family of related processors. In this |
| 330 | case, some entries of REGISTER_NAME will change depending upon |
| 331 | the particular processor being debugged. */ |
| 332 | |
| 333 | numregs = NUM_REGS; |
| 334 | |
| 335 | cleanup = make_cleanup_ui_out_list_begin_end (uiout, "changed-registers"); |
| 336 | |
| 337 | if (argc == 0) /* No args, just do all the regs */ |
| 338 | { |
| 339 | for (regnum = 0; |
| 340 | regnum < numregs; |
| 341 | regnum++) |
| 342 | { |
| 343 | if (REGISTER_NAME (regnum) == NULL |
| 344 | || *(REGISTER_NAME (regnum)) == '\0') |
| 345 | continue; |
| 346 | changed = register_changed_p (regnum); |
| 347 | if (changed < 0) |
| 348 | { |
| 349 | do_cleanups (cleanup); |
| 350 | xasprintf (&mi_error_message, |
| 351 | "mi_cmd_data_list_changed_registers: Unable to read register contents."); |
| 352 | return MI_CMD_ERROR; |
| 353 | } |
| 354 | else if (changed) |
| 355 | ui_out_field_int (uiout, NULL, regnum); |
| 356 | } |
| 357 | } |
| 358 | |
| 359 | /* Else, list of register #s, just do listed regs */ |
| 360 | for (i = 0; i < argc; i++) |
| 361 | { |
| 362 | regnum = atoi (argv[i]); |
| 363 | |
| 364 | if (regnum >= 0 |
| 365 | && regnum < numregs |
| 366 | && REGISTER_NAME (regnum) != NULL |
| 367 | && *REGISTER_NAME (regnum) != '\000') |
| 368 | { |
| 369 | changed = register_changed_p (regnum); |
| 370 | if (changed < 0) |
| 371 | { |
| 372 | do_cleanups (cleanup); |
| 373 | xasprintf (&mi_error_message, |
| 374 | "mi_cmd_data_list_register_change: Unable to read register contents."); |
| 375 | return MI_CMD_ERROR; |
| 376 | } |
| 377 | else if (changed) |
| 378 | ui_out_field_int (uiout, NULL, regnum); |
| 379 | } |
| 380 | else |
| 381 | { |
| 382 | do_cleanups (cleanup); |
| 383 | xasprintf (&mi_error_message, "bad register number"); |
| 384 | return MI_CMD_ERROR; |
| 385 | } |
| 386 | } |
| 387 | do_cleanups (cleanup); |
| 388 | return MI_CMD_DONE; |
| 389 | } |
| 390 | |
| 391 | static int |
| 392 | register_changed_p (int regnum) |
| 393 | { |
| 394 | char raw_buffer[MAX_REGISTER_SIZE]; |
| 395 | |
| 396 | if (! frame_register_read (deprecated_selected_frame, regnum, raw_buffer)) |
| 397 | return -1; |
| 398 | |
| 399 | if (memcmp (&old_regs[DEPRECATED_REGISTER_BYTE (regnum)], raw_buffer, |
| 400 | DEPRECATED_REGISTER_RAW_SIZE (regnum)) == 0) |
| 401 | return 0; |
| 402 | |
| 403 | /* Found a changed register. Return 1. */ |
| 404 | |
| 405 | memcpy (&old_regs[DEPRECATED_REGISTER_BYTE (regnum)], raw_buffer, |
| 406 | DEPRECATED_REGISTER_RAW_SIZE (regnum)); |
| 407 | |
| 408 | return 1; |
| 409 | } |
| 410 | |
| 411 | /* Return a list of register number and value pairs. The valid |
| 412 | arguments expected are: a letter indicating the format in which to |
| 413 | display the registers contents. This can be one of: x (hexadecimal), d |
| 414 | (decimal), N (natural), t (binary), o (octal), r (raw). After the |
| 415 | format argumetn there can be a sequence of numbers, indicating which |
| 416 | registers to fetch the content of. If the format is the only argument, |
| 417 | a list of all the registers with their values is returned. */ |
| 418 | enum mi_cmd_result |
| 419 | mi_cmd_data_list_register_values (char *command, char **argv, int argc) |
| 420 | { |
| 421 | int regnum, numregs, format, result; |
| 422 | int i; |
| 423 | struct cleanup *list_cleanup, *tuple_cleanup; |
| 424 | |
| 425 | /* Note that the test for a valid register must include checking the |
| 426 | REGISTER_NAME because NUM_REGS may be allocated for the union of |
| 427 | the register sets within a family of related processors. In this |
| 428 | case, some entries of REGISTER_NAME will change depending upon |
| 429 | the particular processor being debugged. */ |
| 430 | |
| 431 | numregs = NUM_REGS; |
| 432 | |
| 433 | if (argc == 0) |
| 434 | { |
| 435 | xasprintf (&mi_error_message, |
| 436 | "mi_cmd_data_list_register_values: Usage: -data-list-register-values <format> [<regnum1>...<regnumN>]"); |
| 437 | return MI_CMD_ERROR; |
| 438 | } |
| 439 | |
| 440 | format = (int) argv[0][0]; |
| 441 | |
| 442 | if (!target_has_registers) |
| 443 | { |
| 444 | xasprintf (&mi_error_message, |
| 445 | "mi_cmd_data_list_register_values: No registers."); |
| 446 | return MI_CMD_ERROR; |
| 447 | } |
| 448 | |
| 449 | list_cleanup = make_cleanup_ui_out_list_begin_end (uiout, "register-values"); |
| 450 | |
| 451 | if (argc == 1) /* No args, beside the format: do all the regs */ |
| 452 | { |
| 453 | for (regnum = 0; |
| 454 | regnum < numregs; |
| 455 | regnum++) |
| 456 | { |
| 457 | if (REGISTER_NAME (regnum) == NULL |
| 458 | || *(REGISTER_NAME (regnum)) == '\0') |
| 459 | continue; |
| 460 | tuple_cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, NULL); |
| 461 | ui_out_field_int (uiout, "number", regnum); |
| 462 | result = get_register (regnum, format); |
| 463 | if (result == -1) |
| 464 | { |
| 465 | do_cleanups (list_cleanup); |
| 466 | return MI_CMD_ERROR; |
| 467 | } |
| 468 | do_cleanups (tuple_cleanup); |
| 469 | } |
| 470 | } |
| 471 | |
| 472 | /* Else, list of register #s, just do listed regs */ |
| 473 | for (i = 1; i < argc; i++) |
| 474 | { |
| 475 | regnum = atoi (argv[i]); |
| 476 | |
| 477 | if (regnum >= 0 |
| 478 | && regnum < numregs |
| 479 | && REGISTER_NAME (regnum) != NULL |
| 480 | && *REGISTER_NAME (regnum) != '\000') |
| 481 | { |
| 482 | tuple_cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, NULL); |
| 483 | ui_out_field_int (uiout, "number", regnum); |
| 484 | result = get_register (regnum, format); |
| 485 | if (result == -1) |
| 486 | { |
| 487 | do_cleanups (list_cleanup); |
| 488 | return MI_CMD_ERROR; |
| 489 | } |
| 490 | do_cleanups (tuple_cleanup); |
| 491 | } |
| 492 | else |
| 493 | { |
| 494 | do_cleanups (list_cleanup); |
| 495 | xasprintf (&mi_error_message, "bad register number"); |
| 496 | return MI_CMD_ERROR; |
| 497 | } |
| 498 | } |
| 499 | do_cleanups (list_cleanup); |
| 500 | return MI_CMD_DONE; |
| 501 | } |
| 502 | |
| 503 | /* Output one register's contents in the desired format. */ |
| 504 | static int |
| 505 | get_register (int regnum, int format) |
| 506 | { |
| 507 | char raw_buffer[MAX_REGISTER_SIZE]; |
| 508 | char virtual_buffer[MAX_REGISTER_SIZE]; |
| 509 | int optim; |
| 510 | int realnum; |
| 511 | CORE_ADDR addr; |
| 512 | enum lval_type lval; |
| 513 | static struct ui_stream *stb = NULL; |
| 514 | |
| 515 | stb = ui_out_stream_new (uiout); |
| 516 | |
| 517 | if (format == 'N') |
| 518 | format = 0; |
| 519 | |
| 520 | frame_register (deprecated_selected_frame, regnum, &optim, &lval, &addr, |
| 521 | &realnum, raw_buffer); |
| 522 | |
| 523 | if (optim) |
| 524 | { |
| 525 | xasprintf (&mi_error_message, "Optimized out"); |
| 526 | return -1; |
| 527 | } |
| 528 | |
| 529 | /* Convert raw data to virtual format if necessary. */ |
| 530 | |
| 531 | if (DEPRECATED_REGISTER_CONVERTIBLE_P () |
| 532 | && DEPRECATED_REGISTER_CONVERTIBLE (regnum)) |
| 533 | { |
| 534 | DEPRECATED_REGISTER_CONVERT_TO_VIRTUAL (regnum, |
| 535 | register_type (current_gdbarch, regnum), |
| 536 | raw_buffer, virtual_buffer); |
| 537 | } |
| 538 | else |
| 539 | memcpy (virtual_buffer, raw_buffer, DEPRECATED_REGISTER_VIRTUAL_SIZE (regnum)); |
| 540 | |
| 541 | if (format == 'r') |
| 542 | { |
| 543 | int j; |
| 544 | char *ptr, buf[1024]; |
| 545 | |
| 546 | strcpy (buf, "0x"); |
| 547 | ptr = buf + 2; |
| 548 | for (j = 0; j < DEPRECATED_REGISTER_RAW_SIZE (regnum); j++) |
| 549 | { |
| 550 | int idx = TARGET_BYTE_ORDER == BFD_ENDIAN_BIG ? j |
| 551 | : DEPRECATED_REGISTER_RAW_SIZE (regnum) - 1 - j; |
| 552 | sprintf (ptr, "%02x", (unsigned char) raw_buffer[idx]); |
| 553 | ptr += 2; |
| 554 | } |
| 555 | ui_out_field_string (uiout, "value", buf); |
| 556 | /*fputs_filtered (buf, gdb_stdout); */ |
| 557 | } |
| 558 | else |
| 559 | { |
| 560 | val_print (register_type (current_gdbarch, regnum), virtual_buffer, 0, 0, |
| 561 | stb->stream, format, 1, 0, Val_pretty_default); |
| 562 | ui_out_field_stream (uiout, "value", stb); |
| 563 | ui_out_stream_delete (stb); |
| 564 | } |
| 565 | return 1; |
| 566 | } |
| 567 | |
| 568 | /* Write given values into registers. The registers and values are |
| 569 | given as pairs. The corresponding MI command is |
| 570 | -data-write-register-values <format> [<regnum1> <value1>...<regnumN> <valueN>]*/ |
| 571 | enum mi_cmd_result |
| 572 | mi_cmd_data_write_register_values (char *command, char **argv, int argc) |
| 573 | { |
| 574 | int regnum; |
| 575 | int i; |
| 576 | int numregs; |
| 577 | LONGEST value; |
| 578 | char format; |
| 579 | |
| 580 | /* Note that the test for a valid register must include checking the |
| 581 | REGISTER_NAME because NUM_REGS may be allocated for the union of |
| 582 | the register sets within a family of related processors. In this |
| 583 | case, some entries of REGISTER_NAME will change depending upon |
| 584 | the particular processor being debugged. */ |
| 585 | |
| 586 | numregs = NUM_REGS; |
| 587 | |
| 588 | if (argc == 0) |
| 589 | { |
| 590 | xasprintf (&mi_error_message, |
| 591 | "mi_cmd_data_write_register_values: Usage: -data-write-register-values <format> [<regnum1> <value1>...<regnumN> <valueN>]"); |
| 592 | return MI_CMD_ERROR; |
| 593 | } |
| 594 | |
| 595 | format = (int) argv[0][0]; |
| 596 | |
| 597 | if (!target_has_registers) |
| 598 | { |
| 599 | xasprintf (&mi_error_message, |
| 600 | "mi_cmd_data_write_register_values: No registers."); |
| 601 | return MI_CMD_ERROR; |
| 602 | } |
| 603 | |
| 604 | if (!(argc - 1)) |
| 605 | { |
| 606 | xasprintf (&mi_error_message, |
| 607 | "mi_cmd_data_write_register_values: No regs and values specified."); |
| 608 | return MI_CMD_ERROR; |
| 609 | } |
| 610 | |
| 611 | if ((argc - 1) % 2) |
| 612 | { |
| 613 | xasprintf (&mi_error_message, |
| 614 | "mi_cmd_data_write_register_values: Regs and vals are not in pairs."); |
| 615 | return MI_CMD_ERROR; |
| 616 | } |
| 617 | |
| 618 | for (i = 1; i < argc; i = i + 2) |
| 619 | { |
| 620 | regnum = atoi (argv[i]); |
| 621 | |
| 622 | if (regnum >= 0 |
| 623 | && regnum < numregs |
| 624 | && REGISTER_NAME (regnum) != NULL |
| 625 | && *REGISTER_NAME (regnum) != '\000') |
| 626 | { |
| 627 | void *buffer; |
| 628 | struct cleanup *old_chain; |
| 629 | |
| 630 | /* Get the value as a number */ |
| 631 | value = parse_and_eval_address (argv[i + 1]); |
| 632 | /* Get the value into an array */ |
| 633 | buffer = xmalloc (DEPRECATED_REGISTER_SIZE); |
| 634 | old_chain = make_cleanup (xfree, buffer); |
| 635 | store_signed_integer (buffer, DEPRECATED_REGISTER_SIZE, value); |
| 636 | /* Write it down */ |
| 637 | deprecated_write_register_bytes (DEPRECATED_REGISTER_BYTE (regnum), buffer, DEPRECATED_REGISTER_RAW_SIZE (regnum)); |
| 638 | /* Free the buffer. */ |
| 639 | do_cleanups (old_chain); |
| 640 | } |
| 641 | else |
| 642 | { |
| 643 | xasprintf (&mi_error_message, "bad register number"); |
| 644 | return MI_CMD_ERROR; |
| 645 | } |
| 646 | } |
| 647 | return MI_CMD_DONE; |
| 648 | } |
| 649 | |
| 650 | #if 0 |
| 651 | /*This is commented out because we decided it was not useful. I leave |
| 652 | it, just in case. ezannoni:1999-12-08 */ |
| 653 | |
| 654 | /* Assign a value to a variable. The expression argument must be in |
| 655 | the form A=2 or "A = 2" (I.e. if there are spaces it needs to be |
| 656 | quoted. */ |
| 657 | enum mi_cmd_result |
| 658 | mi_cmd_data_assign (char *command, char **argv, int argc) |
| 659 | { |
| 660 | struct expression *expr; |
| 661 | struct cleanup *old_chain; |
| 662 | |
| 663 | if (argc != 1) |
| 664 | { |
| 665 | xasprintf (&mi_error_message, |
| 666 | "mi_cmd_data_assign: Usage: -data-assign expression"); |
| 667 | return MI_CMD_ERROR; |
| 668 | } |
| 669 | |
| 670 | /* NOTE what follows is a clone of set_command(). FIXME: ezannoni |
| 671 | 01-12-1999: Need to decide what to do with this for libgdb purposes. */ |
| 672 | |
| 673 | expr = parse_expression (argv[0]); |
| 674 | old_chain = make_cleanup (free_current_contents, &expr); |
| 675 | evaluate_expression (expr); |
| 676 | do_cleanups (old_chain); |
| 677 | return MI_CMD_DONE; |
| 678 | } |
| 679 | #endif |
| 680 | |
| 681 | /* Evaluate the value of the argument. The argument is an |
| 682 | expression. If the expression contains spaces it needs to be |
| 683 | included in double quotes. */ |
| 684 | enum mi_cmd_result |
| 685 | mi_cmd_data_evaluate_expression (char *command, char **argv, int argc) |
| 686 | { |
| 687 | struct expression *expr; |
| 688 | struct cleanup *old_chain = NULL; |
| 689 | struct value *val; |
| 690 | struct ui_stream *stb = NULL; |
| 691 | |
| 692 | stb = ui_out_stream_new (uiout); |
| 693 | |
| 694 | if (argc != 1) |
| 695 | { |
| 696 | xasprintf (&mi_error_message, |
| 697 | "mi_cmd_data_evaluate_expression: Usage: -data-evaluate-expression expression"); |
| 698 | return MI_CMD_ERROR; |
| 699 | } |
| 700 | |
| 701 | expr = parse_expression (argv[0]); |
| 702 | |
| 703 | old_chain = make_cleanup (free_current_contents, &expr); |
| 704 | |
| 705 | val = evaluate_expression (expr); |
| 706 | |
| 707 | /* Print the result of the expression evaluation. */ |
| 708 | val_print (VALUE_TYPE (val), VALUE_CONTENTS (val), |
| 709 | VALUE_EMBEDDED_OFFSET (val), VALUE_ADDRESS (val), |
| 710 | stb->stream, 0, 0, 0, 0); |
| 711 | |
| 712 | ui_out_field_stream (uiout, "value", stb); |
| 713 | ui_out_stream_delete (stb); |
| 714 | |
| 715 | do_cleanups (old_chain); |
| 716 | |
| 717 | return MI_CMD_DONE; |
| 718 | } |
| 719 | |
| 720 | enum mi_cmd_result |
| 721 | mi_cmd_target_download (char *args, int from_tty) |
| 722 | { |
| 723 | char *run; |
| 724 | struct cleanup *old_cleanups = NULL; |
| 725 | |
| 726 | xasprintf (&run, "load %s", args); |
| 727 | old_cleanups = make_cleanup (xfree, run); |
| 728 | execute_command (run, from_tty); |
| 729 | |
| 730 | do_cleanups (old_cleanups); |
| 731 | return MI_CMD_DONE; |
| 732 | } |
| 733 | |
| 734 | /* Connect to the remote target. */ |
| 735 | enum mi_cmd_result |
| 736 | mi_cmd_target_select (char *args, int from_tty) |
| 737 | { |
| 738 | char *run; |
| 739 | struct cleanup *old_cleanups = NULL; |
| 740 | |
| 741 | xasprintf (&run, "target %s", args); |
| 742 | old_cleanups = make_cleanup (xfree, run); |
| 743 | |
| 744 | /* target-select is always synchronous. once the call has returned |
| 745 | we know that we are connected. */ |
| 746 | /* NOTE: At present all targets that are connected are also |
| 747 | (implicitly) talking to a halted target. In the future this may |
| 748 | change. */ |
| 749 | execute_command (run, from_tty); |
| 750 | |
| 751 | do_cleanups (old_cleanups); |
| 752 | |
| 753 | /* Issue the completion message here. */ |
| 754 | if (last_async_command) |
| 755 | fputs_unfiltered (last_async_command, raw_stdout); |
| 756 | fputs_unfiltered ("^connected", raw_stdout); |
| 757 | mi_out_put (uiout, raw_stdout); |
| 758 | mi_out_rewind (uiout); |
| 759 | fputs_unfiltered ("\n", raw_stdout); |
| 760 | do_exec_cleanups (ALL_CLEANUPS); |
| 761 | return MI_CMD_QUIET; |
| 762 | } |
| 763 | |
| 764 | /* DATA-MEMORY-READ: |
| 765 | |
| 766 | ADDR: start address of data to be dumped. |
| 767 | WORD-FORMAT: a char indicating format for the ``word''. See |
| 768 | the ``x'' command. |
| 769 | WORD-SIZE: size of each ``word''; 1,2,4, or 8 bytes |
| 770 | NR_ROW: Number of rows. |
| 771 | NR_COL: The number of colums (words per row). |
| 772 | ASCHAR: (OPTIONAL) Append an ascii character dump to each row. Use |
| 773 | ASCHAR for unprintable characters. |
| 774 | |
| 775 | Reads SIZE*NR_ROW*NR_COL bytes starting at ADDR from memory and |
| 776 | displayes them. Returns: |
| 777 | |
| 778 | {addr="...",rowN={wordN="..." ,... [,ascii="..."]}, ...} |
| 779 | |
| 780 | Returns: |
| 781 | The number of bytes read is SIZE*ROW*COL. */ |
| 782 | |
| 783 | enum mi_cmd_result |
| 784 | mi_cmd_data_read_memory (char *command, char **argv, int argc) |
| 785 | { |
| 786 | struct cleanup *cleanups = make_cleanup (null_cleanup, NULL); |
| 787 | CORE_ADDR addr; |
| 788 | long total_bytes; |
| 789 | long nr_cols; |
| 790 | long nr_rows; |
| 791 | char word_format; |
| 792 | struct type *word_type; |
| 793 | long word_size; |
| 794 | char word_asize; |
| 795 | char aschar; |
| 796 | char *mbuf; |
| 797 | int nr_bytes; |
| 798 | long offset = 0; |
| 799 | int optind = 0; |
| 800 | char *optarg; |
| 801 | enum opt |
| 802 | { |
| 803 | OFFSET_OPT |
| 804 | }; |
| 805 | static struct mi_opt opts[] = |
| 806 | { |
| 807 | {"o", OFFSET_OPT, 1}, |
| 808 | 0 |
| 809 | }; |
| 810 | |
| 811 | while (1) |
| 812 | { |
| 813 | int opt = mi_getopt ("mi_cmd_data_read_memory", argc, argv, opts, |
| 814 | &optind, &optarg); |
| 815 | if (opt < 0) |
| 816 | break; |
| 817 | switch ((enum opt) opt) |
| 818 | { |
| 819 | case OFFSET_OPT: |
| 820 | offset = atol (optarg); |
| 821 | break; |
| 822 | } |
| 823 | } |
| 824 | argv += optind; |
| 825 | argc -= optind; |
| 826 | |
| 827 | if (argc < 5 || argc > 6) |
| 828 | { |
| 829 | xasprintf (&mi_error_message, |
| 830 | "mi_cmd_data_read_memory: Usage: ADDR WORD-FORMAT WORD-SIZE NR-ROWS NR-COLS [ASCHAR]."); |
| 831 | return MI_CMD_ERROR; |
| 832 | } |
| 833 | |
| 834 | /* Extract all the arguments. */ |
| 835 | |
| 836 | /* Start address of the memory dump. */ |
| 837 | addr = parse_and_eval_address (argv[0]) + offset; |
| 838 | /* The format character to use when displaying a memory word. See |
| 839 | the ``x'' command. */ |
| 840 | word_format = argv[1][0]; |
| 841 | /* The size of the memory word. */ |
| 842 | word_size = atol (argv[2]); |
| 843 | switch (word_size) |
| 844 | { |
| 845 | case 1: |
| 846 | word_type = builtin_type_int8; |
| 847 | word_asize = 'b'; |
| 848 | break; |
| 849 | case 2: |
| 850 | word_type = builtin_type_int16; |
| 851 | word_asize = 'h'; |
| 852 | break; |
| 853 | case 4: |
| 854 | word_type = builtin_type_int32; |
| 855 | word_asize = 'w'; |
| 856 | break; |
| 857 | case 8: |
| 858 | word_type = builtin_type_int64; |
| 859 | word_asize = 'g'; |
| 860 | break; |
| 861 | default: |
| 862 | word_type = builtin_type_int8; |
| 863 | word_asize = 'b'; |
| 864 | } |
| 865 | /* The number of rows */ |
| 866 | nr_rows = atol (argv[3]); |
| 867 | if (nr_rows <= 0) |
| 868 | { |
| 869 | xasprintf (&mi_error_message, |
| 870 | "mi_cmd_data_read_memory: invalid number of rows."); |
| 871 | return MI_CMD_ERROR; |
| 872 | } |
| 873 | /* number of bytes per row. */ |
| 874 | nr_cols = atol (argv[4]); |
| 875 | if (nr_cols <= 0) |
| 876 | { |
| 877 | xasprintf (&mi_error_message, |
| 878 | "mi_cmd_data_read_memory: invalid number of columns."); |
| 879 | return MI_CMD_ERROR; |
| 880 | } |
| 881 | /* The un-printable character when printing ascii. */ |
| 882 | if (argc == 6) |
| 883 | aschar = *argv[5]; |
| 884 | else |
| 885 | aschar = 0; |
| 886 | |
| 887 | /* create a buffer and read it in. */ |
| 888 | total_bytes = word_size * nr_rows * nr_cols; |
| 889 | mbuf = xcalloc (total_bytes, 1); |
| 890 | make_cleanup (xfree, mbuf); |
| 891 | nr_bytes = 0; |
| 892 | while (nr_bytes < total_bytes) |
| 893 | { |
| 894 | int error; |
| 895 | long num = target_read_memory_partial (addr + nr_bytes, mbuf + nr_bytes, |
| 896 | total_bytes - nr_bytes, |
| 897 | &error); |
| 898 | if (num <= 0) |
| 899 | break; |
| 900 | nr_bytes += num; |
| 901 | } |
| 902 | |
| 903 | /* output the header information. */ |
| 904 | ui_out_field_core_addr (uiout, "addr", addr); |
| 905 | ui_out_field_int (uiout, "nr-bytes", nr_bytes); |
| 906 | ui_out_field_int (uiout, "total-bytes", total_bytes); |
| 907 | ui_out_field_core_addr (uiout, "next-row", addr + word_size * nr_cols); |
| 908 | ui_out_field_core_addr (uiout, "prev-row", addr - word_size * nr_cols); |
| 909 | ui_out_field_core_addr (uiout, "next-page", addr + total_bytes); |
| 910 | ui_out_field_core_addr (uiout, "prev-page", addr - total_bytes); |
| 911 | |
| 912 | /* Build the result as a two dimentional table. */ |
| 913 | { |
| 914 | struct ui_stream *stream = ui_out_stream_new (uiout); |
| 915 | struct cleanup *cleanup_list_memory; |
| 916 | int row; |
| 917 | int row_byte; |
| 918 | cleanup_list_memory = make_cleanup_ui_out_list_begin_end (uiout, "memory"); |
| 919 | for (row = 0, row_byte = 0; |
| 920 | row < nr_rows; |
| 921 | row++, row_byte += nr_cols * word_size) |
| 922 | { |
| 923 | int col; |
| 924 | int col_byte; |
| 925 | struct cleanup *cleanup_tuple; |
| 926 | struct cleanup *cleanup_list_data; |
| 927 | cleanup_tuple = make_cleanup_ui_out_tuple_begin_end (uiout, NULL); |
| 928 | ui_out_field_core_addr (uiout, "addr", addr + row_byte); |
| 929 | /* ui_out_field_core_addr_symbolic (uiout, "saddr", addr + row_byte); */ |
| 930 | cleanup_list_data = make_cleanup_ui_out_list_begin_end (uiout, "data"); |
| 931 | for (col = 0, col_byte = row_byte; |
| 932 | col < nr_cols; |
| 933 | col++, col_byte += word_size) |
| 934 | { |
| 935 | if (col_byte + word_size > nr_bytes) |
| 936 | { |
| 937 | ui_out_field_string (uiout, NULL, "N/A"); |
| 938 | } |
| 939 | else |
| 940 | { |
| 941 | ui_file_rewind (stream->stream); |
| 942 | print_scalar_formatted (mbuf + col_byte, word_type, word_format, |
| 943 | word_asize, stream->stream); |
| 944 | ui_out_field_stream (uiout, NULL, stream); |
| 945 | } |
| 946 | } |
| 947 | do_cleanups (cleanup_list_data); |
| 948 | if (aschar) |
| 949 | { |
| 950 | int byte; |
| 951 | ui_file_rewind (stream->stream); |
| 952 | for (byte = row_byte; byte < row_byte + word_size * nr_cols; byte++) |
| 953 | { |
| 954 | if (byte >= nr_bytes) |
| 955 | { |
| 956 | fputc_unfiltered ('X', stream->stream); |
| 957 | } |
| 958 | else if (mbuf[byte] < 32 || mbuf[byte] > 126) |
| 959 | { |
| 960 | fputc_unfiltered (aschar, stream->stream); |
| 961 | } |
| 962 | else |
| 963 | fputc_unfiltered (mbuf[byte], stream->stream); |
| 964 | } |
| 965 | ui_out_field_stream (uiout, "ascii", stream); |
| 966 | } |
| 967 | do_cleanups (cleanup_tuple); |
| 968 | } |
| 969 | ui_out_stream_delete (stream); |
| 970 | do_cleanups (cleanup_list_memory); |
| 971 | } |
| 972 | do_cleanups (cleanups); |
| 973 | return MI_CMD_DONE; |
| 974 | } |
| 975 | |
| 976 | /* DATA-MEMORY-WRITE: |
| 977 | |
| 978 | COLUMN_OFFSET: optional argument. Must be preceeded by '-o'. The |
| 979 | offset from the beginning of the memory grid row where the cell to |
| 980 | be written is. |
| 981 | ADDR: start address of the row in the memory grid where the memory |
| 982 | cell is, if OFFSET_COLUMN is specified. Otherwise, the address of |
| 983 | the location to write to. |
| 984 | FORMAT: a char indicating format for the ``word''. See |
| 985 | the ``x'' command. |
| 986 | WORD_SIZE: size of each ``word''; 1,2,4, or 8 bytes |
| 987 | VALUE: value to be written into the memory address. |
| 988 | |
| 989 | Writes VALUE into ADDR + (COLUMN_OFFSET * WORD_SIZE). |
| 990 | |
| 991 | Prints nothing. */ |
| 992 | enum mi_cmd_result |
| 993 | mi_cmd_data_write_memory (char *command, char **argv, int argc) |
| 994 | { |
| 995 | CORE_ADDR addr; |
| 996 | char word_format; |
| 997 | long word_size; |
| 998 | /* FIXME: ezannoni 2000-02-17 LONGEST could possibly not be big |
| 999 | enough when using a compiler other than GCC. */ |
| 1000 | LONGEST value; |
| 1001 | void *buffer; |
| 1002 | struct cleanup *old_chain; |
| 1003 | long offset = 0; |
| 1004 | int optind = 0; |
| 1005 | char *optarg; |
| 1006 | enum opt |
| 1007 | { |
| 1008 | OFFSET_OPT |
| 1009 | }; |
| 1010 | static struct mi_opt opts[] = |
| 1011 | { |
| 1012 | {"o", OFFSET_OPT, 1}, |
| 1013 | 0 |
| 1014 | }; |
| 1015 | |
| 1016 | while (1) |
| 1017 | { |
| 1018 | int opt = mi_getopt ("mi_cmd_data_write_memory", argc, argv, opts, |
| 1019 | &optind, &optarg); |
| 1020 | if (opt < 0) |
| 1021 | break; |
| 1022 | switch ((enum opt) opt) |
| 1023 | { |
| 1024 | case OFFSET_OPT: |
| 1025 | offset = atol (optarg); |
| 1026 | break; |
| 1027 | } |
| 1028 | } |
| 1029 | argv += optind; |
| 1030 | argc -= optind; |
| 1031 | |
| 1032 | if (argc != 4) |
| 1033 | { |
| 1034 | xasprintf (&mi_error_message, |
| 1035 | "mi_cmd_data_write_memory: Usage: [-o COLUMN_OFFSET] ADDR FORMAT WORD-SIZE VALUE."); |
| 1036 | return MI_CMD_ERROR; |
| 1037 | } |
| 1038 | |
| 1039 | /* Extract all the arguments. */ |
| 1040 | /* Start address of the memory dump. */ |
| 1041 | addr = parse_and_eval_address (argv[0]); |
| 1042 | /* The format character to use when displaying a memory word. See |
| 1043 | the ``x'' command. */ |
| 1044 | word_format = argv[1][0]; |
| 1045 | /* The size of the memory word. */ |
| 1046 | word_size = atol (argv[2]); |
| 1047 | |
| 1048 | /* Calculate the real address of the write destination. */ |
| 1049 | addr += (offset * word_size); |
| 1050 | |
| 1051 | /* Get the value as a number */ |
| 1052 | value = parse_and_eval_address (argv[3]); |
| 1053 | /* Get the value into an array */ |
| 1054 | buffer = xmalloc (word_size); |
| 1055 | old_chain = make_cleanup (xfree, buffer); |
| 1056 | store_signed_integer (buffer, word_size, value); |
| 1057 | /* Write it down to memory */ |
| 1058 | write_memory (addr, buffer, word_size); |
| 1059 | /* Free the buffer. */ |
| 1060 | do_cleanups (old_chain); |
| 1061 | |
| 1062 | return MI_CMD_DONE; |
| 1063 | } |
| 1064 | |
| 1065 | /* Execute a command within a safe environment. |
| 1066 | Return <0 for error; >=0 for ok. |
| 1067 | |
| 1068 | args->action will tell mi_execute_command what action |
| 1069 | to perfrom after the given command has executed (display/supress |
| 1070 | prompt, display error). */ |
| 1071 | |
| 1072 | static int |
| 1073 | captured_mi_execute_command (struct ui_out *uiout, void *data) |
| 1074 | { |
| 1075 | struct captured_mi_execute_command_args *args = |
| 1076 | (struct captured_mi_execute_command_args *) data; |
| 1077 | struct mi_parse *context = args->command; |
| 1078 | |
| 1079 | switch (context->op) |
| 1080 | { |
| 1081 | |
| 1082 | case MI_COMMAND: |
| 1083 | /* A MI command was read from the input stream */ |
| 1084 | if (mi_debug_p) |
| 1085 | /* FIXME: gdb_???? */ |
| 1086 | fprintf_unfiltered (raw_stdout, " token=`%s' command=`%s' args=`%s'\n", |
| 1087 | context->token, context->command, context->args); |
| 1088 | /* FIXME: cagney/1999-09-25: Rather than this convoluted |
| 1089 | condition expression, each function should return an |
| 1090 | indication of what action is required and then switch on |
| 1091 | that. */ |
| 1092 | args->action = EXECUTE_COMMAND_DISPLAY_PROMPT; |
| 1093 | args->rc = mi_cmd_execute (context); |
| 1094 | |
| 1095 | if (!target_can_async_p () || !target_executing) |
| 1096 | { |
| 1097 | /* print the result if there were no errors |
| 1098 | |
| 1099 | Remember that on the way out of executing a command, you have |
| 1100 | to directly use the mi_interp's uiout, since the command could |
| 1101 | have reset the interpreter, in which case the current uiout |
| 1102 | will most likely crash in the mi_out_* routines. */ |
| 1103 | if (args->rc == MI_CMD_DONE) |
| 1104 | { |
| 1105 | fputs_unfiltered (context->token, raw_stdout); |
| 1106 | fputs_unfiltered ("^done", raw_stdout); |
| 1107 | mi_out_put (uiout, raw_stdout); |
| 1108 | mi_out_rewind (uiout); |
| 1109 | fputs_unfiltered ("\n", raw_stdout); |
| 1110 | } |
| 1111 | else if (args->rc == MI_CMD_ERROR) |
| 1112 | { |
| 1113 | if (mi_error_message) |
| 1114 | { |
| 1115 | fputs_unfiltered (context->token, raw_stdout); |
| 1116 | fputs_unfiltered ("^error,msg=\"", raw_stdout); |
| 1117 | fputstr_unfiltered (mi_error_message, '"', raw_stdout); |
| 1118 | xfree (mi_error_message); |
| 1119 | fputs_unfiltered ("\"\n", raw_stdout); |
| 1120 | } |
| 1121 | mi_out_rewind (uiout); |
| 1122 | } |
| 1123 | else if (args->rc == MI_CMD_CAUGHT_ERROR) |
| 1124 | { |
| 1125 | mi_out_rewind (uiout); |
| 1126 | args->action = EXECUTE_COMMAND_DISPLAY_ERROR; |
| 1127 | return 1; |
| 1128 | } |
| 1129 | else |
| 1130 | mi_out_rewind (uiout); |
| 1131 | } |
| 1132 | else if (sync_execution) |
| 1133 | { |
| 1134 | /* Don't print the prompt. We are executing the target in |
| 1135 | synchronous mode. */ |
| 1136 | args->action = EXECUTE_COMMAND_SUPRESS_PROMPT; |
| 1137 | return 1; |
| 1138 | } |
| 1139 | break; |
| 1140 | |
| 1141 | case CLI_COMMAND: |
| 1142 | /* A CLI command was read from the input stream */ |
| 1143 | /* This will be removed as soon as we have a complete set of |
| 1144 | mi commands */ |
| 1145 | /* echo the command on the console. */ |
| 1146 | fprintf_unfiltered (gdb_stdlog, "%s\n", context->command); |
| 1147 | mi_execute_cli_command (context->command, 0, NULL); |
| 1148 | |
| 1149 | /* If we changed interpreters, DON'T print out anything. */ |
| 1150 | if (current_interp_named_p (INTERP_MI) |
| 1151 | || current_interp_named_p (INTERP_MI1) |
| 1152 | || current_interp_named_p (INTERP_MI2) |
| 1153 | || current_interp_named_p (INTERP_MI3)) |
| 1154 | { |
| 1155 | /* print the result */ |
| 1156 | /* FIXME: Check for errors here. */ |
| 1157 | fputs_unfiltered (context->token, raw_stdout); |
| 1158 | fputs_unfiltered ("^done", raw_stdout); |
| 1159 | mi_out_put (uiout, raw_stdout); |
| 1160 | mi_out_rewind (uiout); |
| 1161 | fputs_unfiltered ("\n", raw_stdout); |
| 1162 | args->action = EXECUTE_COMMAND_DISPLAY_PROMPT; |
| 1163 | args->rc = MI_CMD_DONE; |
| 1164 | } |
| 1165 | break; |
| 1166 | |
| 1167 | } |
| 1168 | |
| 1169 | return 1; |
| 1170 | } |
| 1171 | |
| 1172 | |
| 1173 | void |
| 1174 | mi_execute_command (char *cmd, int from_tty) |
| 1175 | { |
| 1176 | struct mi_parse *command; |
| 1177 | struct captured_mi_execute_command_args args; |
| 1178 | struct ui_out *saved_uiout = uiout; |
| 1179 | int result; |
| 1180 | |
| 1181 | /* This is to handle EOF (^D). We just quit gdb. */ |
| 1182 | /* FIXME: we should call some API function here. */ |
| 1183 | if (cmd == 0) |
| 1184 | quit_force (NULL, from_tty); |
| 1185 | |
| 1186 | command = mi_parse (cmd); |
| 1187 | |
| 1188 | if (command != NULL) |
| 1189 | { |
| 1190 | /* FIXME: cagney/1999-11-04: Can this use of catch_exceptions either |
| 1191 | be pushed even further down or even eliminated? */ |
| 1192 | args.command = command; |
| 1193 | result = catch_exceptions (uiout, captured_mi_execute_command, &args, "", |
| 1194 | RETURN_MASK_ALL); |
| 1195 | |
| 1196 | if (args.action == EXECUTE_COMMAND_SUPRESS_PROMPT) |
| 1197 | { |
| 1198 | /* The command is executing synchronously. Bail out early |
| 1199 | suppressing the finished prompt. */ |
| 1200 | mi_parse_free (command); |
| 1201 | return; |
| 1202 | } |
| 1203 | if (args.action == EXECUTE_COMMAND_DISPLAY_ERROR || result < 0) |
| 1204 | { |
| 1205 | char *msg = error_last_message (); |
| 1206 | struct cleanup *cleanup = make_cleanup (xfree, msg); |
| 1207 | /* The command execution failed and error() was called |
| 1208 | somewhere */ |
| 1209 | fputs_unfiltered (command->token, raw_stdout); |
| 1210 | fputs_unfiltered ("^error,msg=\"", raw_stdout); |
| 1211 | fputstr_unfiltered (msg, '"', raw_stdout); |
| 1212 | fputs_unfiltered ("\"\n", raw_stdout); |
| 1213 | } |
| 1214 | mi_parse_free (command); |
| 1215 | } |
| 1216 | |
| 1217 | fputs_unfiltered ("(gdb) \n", raw_stdout); |
| 1218 | gdb_flush (raw_stdout); |
| 1219 | /* print any buffered hook code */ |
| 1220 | /* ..... */ |
| 1221 | } |
| 1222 | |
| 1223 | static enum mi_cmd_result |
| 1224 | mi_cmd_execute (struct mi_parse *parse) |
| 1225 | { |
| 1226 | if (parse->cmd->argv_func != NULL |
| 1227 | || parse->cmd->args_func != NULL) |
| 1228 | { |
| 1229 | /* FIXME: We need to save the token because the command executed |
| 1230 | may be asynchronous and need to print the token again. |
| 1231 | In the future we can pass the token down to the func |
| 1232 | and get rid of the last_async_command */ |
| 1233 | /* The problem here is to keep the token around when we launch |
| 1234 | the target, and we want to interrupt it later on. The |
| 1235 | interrupt command will have its own token, but when the |
| 1236 | target stops, we must display the token corresponding to the |
| 1237 | last execution command given. So we have another string where |
| 1238 | we copy the token (previous_async_command), if this was |
| 1239 | indeed the token of an execution command, and when we stop we |
| 1240 | print that one. This is possible because the interrupt |
| 1241 | command, when over, will copy that token back into the |
| 1242 | default token string (last_async_command). */ |
| 1243 | |
| 1244 | if (target_executing) |
| 1245 | { |
| 1246 | if (!previous_async_command) |
| 1247 | previous_async_command = xstrdup (last_async_command); |
| 1248 | if (strcmp (parse->command, "exec-interrupt")) |
| 1249 | { |
| 1250 | fputs_unfiltered (parse->token, raw_stdout); |
| 1251 | fputs_unfiltered ("^error,msg=\"", raw_stdout); |
| 1252 | fputs_unfiltered ("Cannot execute command ", raw_stdout); |
| 1253 | fputstr_unfiltered (parse->command, '"', raw_stdout); |
| 1254 | fputs_unfiltered (" while target running", raw_stdout); |
| 1255 | fputs_unfiltered ("\"\n", raw_stdout); |
| 1256 | return MI_CMD_ERROR; |
| 1257 | } |
| 1258 | } |
| 1259 | last_async_command = xstrdup (parse->token); |
| 1260 | make_exec_cleanup (free_current_contents, &last_async_command); |
| 1261 | /* FIXME: DELETE THIS! */ |
| 1262 | if (parse->cmd->args_func != NULL) |
| 1263 | return parse->cmd->args_func (parse->args, 0 /*from_tty */ ); |
| 1264 | return parse->cmd->argv_func (parse->command, parse->argv, parse->argc); |
| 1265 | } |
| 1266 | else if (parse->cmd->cli.cmd != 0) |
| 1267 | { |
| 1268 | /* FIXME: DELETE THIS. */ |
| 1269 | /* The operation is still implemented by a cli command */ |
| 1270 | /* Must be a synchronous one */ |
| 1271 | mi_execute_cli_command (parse->cmd->cli.cmd, parse->cmd->cli.args_p, |
| 1272 | parse->args); |
| 1273 | return MI_CMD_DONE; |
| 1274 | } |
| 1275 | else |
| 1276 | { |
| 1277 | /* FIXME: DELETE THIS. */ |
| 1278 | fputs_unfiltered (parse->token, raw_stdout); |
| 1279 | fputs_unfiltered ("^error,msg=\"", raw_stdout); |
| 1280 | fputs_unfiltered ("Undefined mi command: ", raw_stdout); |
| 1281 | fputstr_unfiltered (parse->command, '"', raw_stdout); |
| 1282 | fputs_unfiltered (" (missing implementation)", raw_stdout); |
| 1283 | fputs_unfiltered ("\"\n", raw_stdout); |
| 1284 | return MI_CMD_ERROR; |
| 1285 | } |
| 1286 | } |
| 1287 | |
| 1288 | /* FIXME: This is just a hack so we can get some extra commands going. |
| 1289 | We don't want to channel things through the CLI, but call libgdb directly */ |
| 1290 | /* Use only for synchronous commands */ |
| 1291 | |
| 1292 | void |
| 1293 | mi_execute_cli_command (const char *cmd, int args_p, const char *args) |
| 1294 | { |
| 1295 | if (cmd != 0) |
| 1296 | { |
| 1297 | struct cleanup *old_cleanups; |
| 1298 | char *run; |
| 1299 | if (args_p) |
| 1300 | xasprintf (&run, "%s %s", cmd, args); |
| 1301 | else |
| 1302 | run = xstrdup (cmd); |
| 1303 | if (mi_debug_p) |
| 1304 | /* FIXME: gdb_???? */ |
| 1305 | fprintf_unfiltered (gdb_stdout, "cli=%s run=%s\n", |
| 1306 | cmd, run); |
| 1307 | old_cleanups = make_cleanup (xfree, run); |
| 1308 | execute_command ( /*ui */ run, 0 /*from_tty */ ); |
| 1309 | do_cleanups (old_cleanups); |
| 1310 | return; |
| 1311 | } |
| 1312 | } |
| 1313 | |
| 1314 | enum mi_cmd_result |
| 1315 | mi_execute_async_cli_command (char *mi, char *args, int from_tty) |
| 1316 | { |
| 1317 | struct cleanup *old_cleanups; |
| 1318 | char *run; |
| 1319 | char *async_args; |
| 1320 | |
| 1321 | if (target_can_async_p ()) |
| 1322 | { |
| 1323 | async_args = (char *) xmalloc (strlen (args) + 2); |
| 1324 | make_exec_cleanup (free, async_args); |
| 1325 | strcpy (async_args, args); |
| 1326 | strcat (async_args, "&"); |
| 1327 | xasprintf (&run, "%s %s", mi, async_args); |
| 1328 | make_exec_cleanup (free, run); |
| 1329 | add_continuation (mi_exec_async_cli_cmd_continuation, NULL); |
| 1330 | old_cleanups = NULL; |
| 1331 | } |
| 1332 | else |
| 1333 | { |
| 1334 | xasprintf (&run, "%s %s", mi, args); |
| 1335 | old_cleanups = make_cleanup (xfree, run); |
| 1336 | } |
| 1337 | |
| 1338 | if (!target_can_async_p ()) |
| 1339 | { |
| 1340 | /* NOTE: For synchronous targets asynchronous behavour is faked by |
| 1341 | printing out the GDB prompt before we even try to execute the |
| 1342 | command. */ |
| 1343 | if (last_async_command) |
| 1344 | fputs_unfiltered (last_async_command, raw_stdout); |
| 1345 | fputs_unfiltered ("^running\n", raw_stdout); |
| 1346 | fputs_unfiltered ("(gdb) \n", raw_stdout); |
| 1347 | gdb_flush (raw_stdout); |
| 1348 | } |
| 1349 | else |
| 1350 | { |
| 1351 | /* FIXME: cagney/1999-11-29: Printing this message before |
| 1352 | calling execute_command is wrong. It should only be printed |
| 1353 | once gdb has confirmed that it really has managed to send a |
| 1354 | run command to the target. */ |
| 1355 | if (last_async_command) |
| 1356 | fputs_unfiltered (last_async_command, raw_stdout); |
| 1357 | fputs_unfiltered ("^running\n", raw_stdout); |
| 1358 | } |
| 1359 | |
| 1360 | execute_command ( /*ui */ run, 0 /*from_tty */ ); |
| 1361 | |
| 1362 | if (!target_can_async_p ()) |
| 1363 | { |
| 1364 | /* Do this before doing any printing. It would appear that some |
| 1365 | print code leaves garbage around in the buffer. */ |
| 1366 | do_cleanups (old_cleanups); |
| 1367 | /* If the target was doing the operation synchronously we fake |
| 1368 | the stopped message. */ |
| 1369 | if (last_async_command) |
| 1370 | fputs_unfiltered (last_async_command, raw_stdout); |
| 1371 | fputs_unfiltered ("*stopped", raw_stdout); |
| 1372 | mi_out_put (uiout, raw_stdout); |
| 1373 | mi_out_rewind (uiout); |
| 1374 | fputs_unfiltered ("\n", raw_stdout); |
| 1375 | return MI_CMD_QUIET; |
| 1376 | } |
| 1377 | return MI_CMD_DONE; |
| 1378 | } |
| 1379 | |
| 1380 | void |
| 1381 | mi_exec_async_cli_cmd_continuation (struct continuation_arg *arg) |
| 1382 | { |
| 1383 | if (last_async_command) |
| 1384 | fputs_unfiltered (last_async_command, raw_stdout); |
| 1385 | fputs_unfiltered ("*stopped", raw_stdout); |
| 1386 | mi_out_put (uiout, raw_stdout); |
| 1387 | fputs_unfiltered ("\n", raw_stdout); |
| 1388 | fputs_unfiltered ("(gdb) \n", raw_stdout); |
| 1389 | gdb_flush (raw_stdout); |
| 1390 | do_exec_cleanups (ALL_CLEANUPS); |
| 1391 | } |
| 1392 | |
| 1393 | void |
| 1394 | mi_load_progress (const char *section_name, |
| 1395 | unsigned long sent_so_far, |
| 1396 | unsigned long total_section, |
| 1397 | unsigned long total_sent, |
| 1398 | unsigned long grand_total) |
| 1399 | { |
| 1400 | struct timeval time_now, delta, update_threshold; |
| 1401 | static struct timeval last_update; |
| 1402 | static char *previous_sect_name = NULL; |
| 1403 | int new_section; |
| 1404 | |
| 1405 | if (!current_interp_named_p (INTERP_MI) |
| 1406 | && !current_interp_named_p (INTERP_MI1)) |
| 1407 | return; |
| 1408 | |
| 1409 | update_threshold.tv_sec = 0; |
| 1410 | update_threshold.tv_usec = 500000; |
| 1411 | gettimeofday (&time_now, NULL); |
| 1412 | |
| 1413 | delta.tv_usec = time_now.tv_usec - last_update.tv_usec; |
| 1414 | delta.tv_sec = time_now.tv_sec - last_update.tv_sec; |
| 1415 | |
| 1416 | if (delta.tv_usec < 0) |
| 1417 | { |
| 1418 | delta.tv_sec -= 1; |
| 1419 | delta.tv_usec += 1000000; |
| 1420 | } |
| 1421 | |
| 1422 | new_section = (previous_sect_name ? |
| 1423 | strcmp (previous_sect_name, section_name) : 1); |
| 1424 | if (new_section) |
| 1425 | { |
| 1426 | struct cleanup *cleanup_tuple; |
| 1427 | xfree (previous_sect_name); |
| 1428 | previous_sect_name = xstrdup (section_name); |
| 1429 | |
| 1430 | if (last_async_command) |
| 1431 | fputs_unfiltered (last_async_command, raw_stdout); |
| 1432 | fputs_unfiltered ("+download", raw_stdout); |
| 1433 | cleanup_tuple = make_cleanup_ui_out_tuple_begin_end (uiout, NULL); |
| 1434 | ui_out_field_string (uiout, "section", section_name); |
| 1435 | ui_out_field_int (uiout, "section-size", total_section); |
| 1436 | ui_out_field_int (uiout, "total-size", grand_total); |
| 1437 | do_cleanups (cleanup_tuple); |
| 1438 | mi_out_put (uiout, raw_stdout); |
| 1439 | fputs_unfiltered ("\n", raw_stdout); |
| 1440 | gdb_flush (raw_stdout); |
| 1441 | } |
| 1442 | |
| 1443 | if (delta.tv_sec >= update_threshold.tv_sec && |
| 1444 | delta.tv_usec >= update_threshold.tv_usec) |
| 1445 | { |
| 1446 | struct cleanup *cleanup_tuple; |
| 1447 | last_update.tv_sec = time_now.tv_sec; |
| 1448 | last_update.tv_usec = time_now.tv_usec; |
| 1449 | if (last_async_command) |
| 1450 | fputs_unfiltered (last_async_command, raw_stdout); |
| 1451 | fputs_unfiltered ("+download", raw_stdout); |
| 1452 | cleanup_tuple = make_cleanup_ui_out_tuple_begin_end (uiout, NULL); |
| 1453 | ui_out_field_string (uiout, "section", section_name); |
| 1454 | ui_out_field_int (uiout, "section-sent", sent_so_far); |
| 1455 | ui_out_field_int (uiout, "section-size", total_section); |
| 1456 | ui_out_field_int (uiout, "total-sent", total_sent); |
| 1457 | ui_out_field_int (uiout, "total-size", grand_total); |
| 1458 | do_cleanups (cleanup_tuple); |
| 1459 | mi_out_put (uiout, raw_stdout); |
| 1460 | fputs_unfiltered ("\n", raw_stdout); |
| 1461 | gdb_flush (raw_stdout); |
| 1462 | } |
| 1463 | } |
| 1464 | |
| 1465 | void |
| 1466 | mi_setup_architecture_data (void) |
| 1467 | { |
| 1468 | old_regs = xmalloc ((NUM_REGS + NUM_PSEUDO_REGS) * MAX_REGISTER_SIZE + 1); |
| 1469 | memset (old_regs, 0, (NUM_REGS + NUM_PSEUDO_REGS) * MAX_REGISTER_SIZE + 1); |
| 1470 | } |
| 1471 | |
| 1472 | void |
| 1473 | _initialize_mi_main (void) |
| 1474 | { |
| 1475 | DEPRECATED_REGISTER_GDBARCH_SWAP (old_regs); |
| 1476 | deprecated_register_gdbarch_swap (NULL, 0, mi_setup_architecture_data); |
| 1477 | } |