| 1 | # Copyright 1999, 2000, 2002, 2003, 2004, 2005, 2007 |
| 2 | # Free Software Foundation, Inc. |
| 3 | |
| 4 | # This program is free software; you can redistribute it and/or modify |
| 5 | # it under the terms of the GNU General Public License as published by |
| 6 | # the Free Software Foundation; either version 3 of the License, or |
| 7 | # (at your option) any later version. |
| 8 | # |
| 9 | # This program is distributed in the hope that it will be useful, |
| 10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | # GNU General Public License for more details. |
| 13 | # |
| 14 | # You should have received a copy of the GNU General Public License |
| 15 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 16 | |
| 17 | # Please email any bugs, comments, and/or additions to this file to: |
| 18 | # bug-gdb@prep.ai.mit.edu |
| 19 | |
| 20 | # This file was based on a file written by Fred Fish. (fnf@cygnus.com) |
| 21 | |
| 22 | # Test setup routines that work with the MI interpreter. |
| 23 | |
| 24 | # The variable mi_gdb_prompt is a regexp which matches the gdb mi prompt. |
| 25 | # Set it if it is not already set. |
| 26 | global mi_gdb_prompt |
| 27 | if ![info exists mi_gdb_prompt] then { |
| 28 | set mi_gdb_prompt "\[(\]gdb\[)\] \r\n" |
| 29 | } |
| 30 | |
| 31 | global mi_inferior_spawn_id |
| 32 | global mi_inferior_tty_name |
| 33 | |
| 34 | set MIFLAGS "-i=mi" |
| 35 | |
| 36 | # |
| 37 | # mi_gdb_exit -- exit the GDB, killing the target program if necessary |
| 38 | # |
| 39 | proc mi_gdb_exit {} { |
| 40 | catch mi_uncatched_gdb_exit |
| 41 | } |
| 42 | |
| 43 | proc mi_uncatched_gdb_exit {} { |
| 44 | global GDB |
| 45 | global GDBFLAGS |
| 46 | global verbose |
| 47 | global gdb_spawn_id; |
| 48 | global gdb_prompt |
| 49 | global mi_gdb_prompt |
| 50 | global MIFLAGS |
| 51 | |
| 52 | gdb_stop_suppressing_tests; |
| 53 | |
| 54 | if { [info procs sid_exit] != "" } { |
| 55 | sid_exit |
| 56 | } |
| 57 | |
| 58 | if ![info exists gdb_spawn_id] { |
| 59 | return; |
| 60 | } |
| 61 | |
| 62 | verbose "Quitting $GDB $GDBFLAGS $MIFLAGS" |
| 63 | |
| 64 | if { [is_remote host] && [board_info host exists fileid] } { |
| 65 | send_gdb "999-gdb-exit\n"; |
| 66 | gdb_expect 10 { |
| 67 | -re "y or n" { |
| 68 | send_gdb "y\n"; |
| 69 | exp_continue; |
| 70 | } |
| 71 | -re "Undefined command.*$gdb_prompt $" { |
| 72 | send_gdb "quit\n" |
| 73 | exp_continue; |
| 74 | } |
| 75 | -re "DOSEXIT code" { } |
| 76 | default { } |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | if ![is_remote host] { |
| 81 | remote_close host; |
| 82 | } |
| 83 | unset gdb_spawn_id |
| 84 | } |
| 85 | |
| 86 | # |
| 87 | # mi_gdb_start [INFERIOR_PTY] -- start gdb running, default procedure |
| 88 | # |
| 89 | # INFERIOR_PTY should be set to separate-inferior-tty to have the inferior work |
| 90 | # with it's own PTY. If set to same-inferior-tty, the inferior shares GDB's PTY. |
| 91 | # The default value is same-inferior-tty. |
| 92 | # |
| 93 | # When running over NFS, particularly if running many simultaneous |
| 94 | # tests on different hosts all using the same server, things can |
| 95 | # get really slow. Give gdb at least 3 minutes to start up. |
| 96 | # |
| 97 | proc mi_gdb_start { args } { |
| 98 | global verbose |
| 99 | global GDB |
| 100 | global GDBFLAGS |
| 101 | global gdb_prompt |
| 102 | global mi_gdb_prompt |
| 103 | global timeout |
| 104 | global gdb_spawn_id; |
| 105 | global MIFLAGS |
| 106 | |
| 107 | gdb_stop_suppressing_tests; |
| 108 | set inferior_pty no-tty |
| 109 | |
| 110 | if { [llength $args] == 1} { |
| 111 | set inferior_pty [lindex $args 0] |
| 112 | } |
| 113 | |
| 114 | set separate_inferior_pty [string match $inferior_pty separate-inferior-tty] |
| 115 | |
| 116 | # Start SID. |
| 117 | if { [info procs sid_start] != "" } { |
| 118 | verbose "Spawning SID" |
| 119 | sid_start |
| 120 | } |
| 121 | |
| 122 | verbose "Spawning $GDB -nw $GDBFLAGS $MIFLAGS" |
| 123 | |
| 124 | if [info exists gdb_spawn_id] { |
| 125 | return 0; |
| 126 | } |
| 127 | |
| 128 | if ![is_remote host] { |
| 129 | if { [which $GDB] == 0 } then { |
| 130 | perror "$GDB does not exist." |
| 131 | exit 1 |
| 132 | } |
| 133 | } |
| 134 | |
| 135 | # Create the new PTY for the inferior process. |
| 136 | if { $separate_inferior_pty } { |
| 137 | spawn -pty |
| 138 | global mi_inferior_spawn_id |
| 139 | global mi_inferior_tty_name |
| 140 | set mi_inferior_spawn_id $spawn_id |
| 141 | set mi_inferior_tty_name $spawn_out(slave,name) |
| 142 | } |
| 143 | |
| 144 | set res [remote_spawn host "$GDB -nw $GDBFLAGS $MIFLAGS [host_info gdb_opts]"]; |
| 145 | if { $res < 0 || $res == "" } { |
| 146 | perror "Spawning $GDB failed." |
| 147 | return 1; |
| 148 | } |
| 149 | gdb_expect { |
| 150 | -re "~\"GNU.*\r\n~\".*$mi_gdb_prompt$" { |
| 151 | # We have a new format mi startup prompt. If we are |
| 152 | # running mi1, then this is an error as we should be |
| 153 | # using the old-style prompt. |
| 154 | if { $MIFLAGS == "-i=mi1" } { |
| 155 | perror "(mi startup) Got unexpected new mi prompt." |
| 156 | remote_close host; |
| 157 | return -1; |
| 158 | } |
| 159 | verbose "GDB initialized." |
| 160 | } |
| 161 | -re "\[^~\].*$mi_gdb_prompt$" { |
| 162 | # We have an old format mi startup prompt. If we are |
| 163 | # not running mi1, then this is an error as we should be |
| 164 | # using the new-style prompt. |
| 165 | if { $MIFLAGS != "-i=mi1" } { |
| 166 | perror "(mi startup) Got unexpected old mi prompt." |
| 167 | remote_close host; |
| 168 | return -1; |
| 169 | } |
| 170 | verbose "GDB initialized." |
| 171 | } |
| 172 | -re ".*$gdb_prompt $" { |
| 173 | untested "Skip mi tests (got non-mi prompt)." |
| 174 | remote_close host; |
| 175 | return -1; |
| 176 | } |
| 177 | -re ".*unrecognized option.*for a complete list of options." { |
| 178 | untested "Skip mi tests (not compiled with mi support)." |
| 179 | remote_close host; |
| 180 | return -1; |
| 181 | } |
| 182 | -re ".*Interpreter `mi' unrecognized." { |
| 183 | untested "Skip mi tests (not compiled with mi support)." |
| 184 | remote_close host; |
| 185 | return -1; |
| 186 | } |
| 187 | timeout { |
| 188 | perror "(timeout) GDB never initialized after 10 seconds." |
| 189 | remote_close host; |
| 190 | return -1 |
| 191 | } |
| 192 | } |
| 193 | set gdb_spawn_id -1; |
| 194 | |
| 195 | # FIXME: mi output does not go through pagers, so these can be removed. |
| 196 | # force the height to "unlimited", so no pagers get used |
| 197 | send_gdb "100-gdb-set height 0\n" |
| 198 | gdb_expect 10 { |
| 199 | -re ".*100-gdb-set height 0\r\n100\\\^done\r\n$mi_gdb_prompt$" { |
| 200 | verbose "Setting height to 0." 2 |
| 201 | } |
| 202 | timeout { |
| 203 | warning "Couldn't set the height to 0" |
| 204 | } |
| 205 | } |
| 206 | # force the width to "unlimited", so no wraparound occurs |
| 207 | send_gdb "101-gdb-set width 0\n" |
| 208 | gdb_expect 10 { |
| 209 | -re ".*101-gdb-set width 0\r\n101\\\^done\r\n$mi_gdb_prompt$" { |
| 210 | verbose "Setting width to 0." 2 |
| 211 | } |
| 212 | timeout { |
| 213 | warning "Couldn't set the width to 0." |
| 214 | } |
| 215 | } |
| 216 | # If allowing the inferior to have its own PTY then assign the inferior |
| 217 | # its own terminal device here. |
| 218 | if { $separate_inferior_pty } { |
| 219 | send_gdb "102-inferior-tty-set $mi_inferior_tty_name\n" |
| 220 | gdb_expect 10 { |
| 221 | -re ".*102\\\^done\r\n$mi_gdb_prompt$" { |
| 222 | verbose "redirect inferior output to new terminal device." |
| 223 | } |
| 224 | timeout { |
| 225 | warning "Couldn't redirect inferior output." 2 |
| 226 | } |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | return 0; |
| 231 | } |
| 232 | |
| 233 | # Many of the tests depend on setting breakpoints at various places and |
| 234 | # running until that breakpoint is reached. At times, we want to start |
| 235 | # with a clean-slate with respect to breakpoints, so this utility proc |
| 236 | # lets us do this without duplicating this code everywhere. |
| 237 | # |
| 238 | |
| 239 | proc mi_delete_breakpoints {} { |
| 240 | global mi_gdb_prompt |
| 241 | |
| 242 | # FIXME: The mi operation won't accept a prompt back and will use the 'all' arg |
| 243 | send_gdb "102-break-delete\n" |
| 244 | gdb_expect 30 { |
| 245 | -re "Delete all breakpoints.*y or n.*$" { |
| 246 | send_gdb "y\n"; |
| 247 | exp_continue |
| 248 | } |
| 249 | -re "102-break-delete\r\n102\\\^done\r\n$mi_gdb_prompt$" { |
| 250 | # This happens if there were no breakpoints |
| 251 | } |
| 252 | timeout { perror "Delete all breakpoints in mi_delete_breakpoints (timeout)" ; return } |
| 253 | } |
| 254 | |
| 255 | # The correct output is not "No breakpoints or watchpoints." but an |
| 256 | # empty BreakpointTable. Also, a query is not acceptable with mi. |
| 257 | send_gdb "103-break-list\n" |
| 258 | gdb_expect 30 { |
| 259 | -re "103-break-list\r\n103\\\^done,BreakpointTable=\{\}\r\n$mi_gdb_prompt$" {} |
| 260 | -re "103-break-list\r\n103\\\^done,BreakpointTable=\{nr_rows=\".\",nr_cols=\".\",hdr=\\\[\{width=\".*\",alignment=\".*\",col_name=\"number\",colhdr=\"Num\"\}.*colhdr=\"Type\".*colhdr=\"Disp\".*colhdr=\"Enb\".*colhdr=\"Address\".*colhdr=\"What\".*\\\],body=\\\[\\\]\}" {} |
| 261 | -re "103-break-list\r\n103\\\^doneNo breakpoints or watchpoints.\r\n\r\n$mi_gdb_prompt$" {warning "Unexpected console text received"} |
| 262 | -re "$mi_gdb_prompt$" { perror "Breakpoints not deleted" ; return } |
| 263 | -re "Delete all breakpoints.*or n.*$" { |
| 264 | warning "Unexpected prompt for breakpoints deletion"; |
| 265 | send_gdb "y\n"; |
| 266 | exp_continue |
| 267 | } |
| 268 | timeout { perror "-break-list (timeout)" ; return } |
| 269 | } |
| 270 | } |
| 271 | |
| 272 | proc mi_gdb_reinitialize_dir { subdir } { |
| 273 | global mi_gdb_prompt |
| 274 | global MIFLAGS |
| 275 | |
| 276 | global suppress_flag |
| 277 | if { $suppress_flag } { |
| 278 | return |
| 279 | } |
| 280 | |
| 281 | if [is_remote host] { |
| 282 | return ""; |
| 283 | } |
| 284 | |
| 285 | if { $MIFLAGS == "-i=mi1" } { |
| 286 | send_gdb "104-environment-directory\n" |
| 287 | gdb_expect 60 { |
| 288 | -re ".*Reinitialize source path to empty.*y or n. " { |
| 289 | warning "Got confirmation prompt for dir reinitialization." |
| 290 | send_gdb "y\n" |
| 291 | gdb_expect 60 { |
| 292 | -re "$mi_gdb_prompt$" {} |
| 293 | timeout {error "Dir reinitialization failed (timeout)"} |
| 294 | } |
| 295 | } |
| 296 | -re "$mi_gdb_prompt$" {} |
| 297 | timeout {error "Dir reinitialization failed (timeout)"} |
| 298 | } |
| 299 | } else { |
| 300 | send_gdb "104-environment-directory -r\n" |
| 301 | gdb_expect 60 { |
| 302 | -re "104\\\^done,source-path=.*\r\n$mi_gdb_prompt$" {} |
| 303 | -re "$mi_gdb_prompt$" {} |
| 304 | timeout {error "Dir reinitialization failed (timeout)"} |
| 305 | } |
| 306 | } |
| 307 | |
| 308 | send_gdb "105-environment-directory $subdir\n" |
| 309 | gdb_expect 60 { |
| 310 | -re "Source directories searched.*$mi_gdb_prompt$" { |
| 311 | verbose "Dir set to $subdir" |
| 312 | } |
| 313 | -re "105\\\^done.*\r\n$mi_gdb_prompt$" { |
| 314 | # FIXME: We return just the prompt for now. |
| 315 | verbose "Dir set to $subdir" |
| 316 | # perror "Dir \"$subdir\" failed." |
| 317 | } |
| 318 | } |
| 319 | } |
| 320 | |
| 321 | # Send GDB the "target" command. |
| 322 | # FIXME: Some of these patterns are not appropriate for MI. Based on |
| 323 | # config/monitor.exp:gdb_target_command. |
| 324 | proc mi_gdb_target_cmd { targetname serialport } { |
| 325 | global mi_gdb_prompt |
| 326 | |
| 327 | set serialport_re [string_to_regexp $serialport] |
| 328 | for {set i 1} {$i <= 3} {incr i} { |
| 329 | send_gdb "47-target-select $targetname $serialport\n" |
| 330 | gdb_expect 60 { |
| 331 | -re "47\\^connected.*$mi_gdb_prompt$" { |
| 332 | verbose "Set target to $targetname"; |
| 333 | return 0; |
| 334 | } |
| 335 | -re "Couldn't establish connection to remote.*$mi_gdb_prompt$" { |
| 336 | verbose "Connection failed"; |
| 337 | } |
| 338 | -re "Remote MIPS debugging.*$mi_gdb_prompt$" { |
| 339 | verbose "Set target to $targetname"; |
| 340 | return 0; |
| 341 | } |
| 342 | -re "Remote debugging using .*$serialport_re.*$mi_gdb_prompt$" { |
| 343 | verbose "Set target to $targetname"; |
| 344 | return 0; |
| 345 | } |
| 346 | -re "Remote target $targetname connected to.*$mi_gdb_prompt$" { |
| 347 | verbose "Set target to $targetname"; |
| 348 | return 0; |
| 349 | } |
| 350 | -re "Connected to.*$mi_gdb_prompt$" { |
| 351 | verbose "Set target to $targetname"; |
| 352 | return 0; |
| 353 | } |
| 354 | -re "Ending remote.*$mi_gdb_prompt$" { } |
| 355 | -re "Connection refused.*$mi_gdb_prompt$" { |
| 356 | verbose "Connection refused by remote target. Pausing, and trying again." |
| 357 | sleep 5 |
| 358 | continue |
| 359 | } |
| 360 | -re "Timeout reading from remote system.*$mi_gdb_prompt$" { |
| 361 | verbose "Got timeout error from gdb."; |
| 362 | } |
| 363 | timeout { |
| 364 | send_gdb "\ 3"; |
| 365 | break |
| 366 | } |
| 367 | } |
| 368 | } |
| 369 | return 1 |
| 370 | } |
| 371 | |
| 372 | # |
| 373 | # load a file into the debugger (file command only). |
| 374 | # return a -1 if anything goes wrong. |
| 375 | # |
| 376 | proc mi_gdb_file_cmd { arg } { |
| 377 | global verbose |
| 378 | global loadpath |
| 379 | global loadfile |
| 380 | global GDB |
| 381 | global mi_gdb_prompt |
| 382 | global last_loaded_file |
| 383 | upvar timeout timeout |
| 384 | |
| 385 | set last_loaded_file $arg |
| 386 | |
| 387 | if [is_remote host] { |
| 388 | set arg [remote_download host $arg]; |
| 389 | if { $arg == "" } { |
| 390 | error "download failed" |
| 391 | return -1; |
| 392 | } |
| 393 | } |
| 394 | |
| 395 | # FIXME: Several of these patterns are only acceptable for console |
| 396 | # output. Queries are an error for mi. |
| 397 | send_gdb "105-file-exec-and-symbols $arg\n" |
| 398 | gdb_expect 120 { |
| 399 | -re "Reading symbols from.*done.*$mi_gdb_prompt$" { |
| 400 | verbose "\t\tLoaded $arg into the $GDB" |
| 401 | return 0 |
| 402 | } |
| 403 | -re "has no symbol-table.*$mi_gdb_prompt$" { |
| 404 | perror "$arg wasn't compiled with \"-g\"" |
| 405 | return -1 |
| 406 | } |
| 407 | -re "Load new symbol table from \".*\".*y or n. $" { |
| 408 | send_gdb "y\n" |
| 409 | gdb_expect 120 { |
| 410 | -re "Reading symbols from.*done.*$mi_gdb_prompt$" { |
| 411 | verbose "\t\tLoaded $arg with new symbol table into $GDB" |
| 412 | # All OK |
| 413 | } |
| 414 | timeout { |
| 415 | perror "(timeout) Couldn't load $arg, other program already loaded." |
| 416 | return -1 |
| 417 | } |
| 418 | } |
| 419 | } |
| 420 | -re "No such file or directory.*$mi_gdb_prompt$" { |
| 421 | perror "($arg) No such file or directory\n" |
| 422 | return -1 |
| 423 | } |
| 424 | -re "105-file-exec-and-symbols .*\r\n105\\\^done\r\n$mi_gdb_prompt$" { |
| 425 | # We (MI) are just giving the prompt back for now, instead of giving |
| 426 | # some acknowledgement. |
| 427 | return 0 |
| 428 | } |
| 429 | timeout { |
| 430 | perror "couldn't load $arg into $GDB (timed out)." |
| 431 | return -1 |
| 432 | } |
| 433 | eof { |
| 434 | # This is an attempt to detect a core dump, but seems not to |
| 435 | # work. Perhaps we need to match .* followed by eof, in which |
| 436 | # gdb_expect does not seem to have a way to do that. |
| 437 | perror "couldn't load $arg into $GDB (end of file)." |
| 438 | return -1 |
| 439 | } |
| 440 | } |
| 441 | } |
| 442 | |
| 443 | # |
| 444 | # connect to the target and download a file, if necessary. |
| 445 | # return a -1 if anything goes wrong. |
| 446 | # |
| 447 | proc mi_gdb_target_load { } { |
| 448 | global verbose |
| 449 | global loadpath |
| 450 | global loadfile |
| 451 | global GDB |
| 452 | global mi_gdb_prompt |
| 453 | upvar timeout timeout |
| 454 | |
| 455 | if { [info procs gdbserver_gdb_load] != "" } { |
| 456 | mi_gdb_test "kill" ".*" "" |
| 457 | set res [gdbserver_gdb_load] |
| 458 | set protocol [lindex $res 0] |
| 459 | set gdbport [lindex $res 1] |
| 460 | |
| 461 | if { [mi_gdb_target_cmd $protocol $gdbport] != 0 } { |
| 462 | return -1 |
| 463 | } |
| 464 | } elseif { [info procs send_target_sid] != "" } { |
| 465 | # For SID, things get complex |
| 466 | send_gdb "kill\n" |
| 467 | gdb_expect 10 { |
| 468 | -re ".*$mi_gdb_prompt$" |
| 469 | } |
| 470 | send_target_sid |
| 471 | gdb_expect 60 { |
| 472 | -re "\\^done.*$mi_gdb_prompt$" { |
| 473 | } |
| 474 | timeout { |
| 475 | perror "Unable to connect to SID target" |
| 476 | return -1 |
| 477 | } |
| 478 | } |
| 479 | send_gdb "48-target-download\n" |
| 480 | gdb_expect 10 { |
| 481 | -re "48\\^done.*$mi_gdb_prompt$" { |
| 482 | } |
| 483 | timeout { |
| 484 | perror "Unable to download to SID target" |
| 485 | return -1 |
| 486 | } |
| 487 | } |
| 488 | } elseif { [target_info protocol] == "sim" } { |
| 489 | # For the simulator, just connect to it directly. |
| 490 | send_gdb "47-target-select sim\n" |
| 491 | gdb_expect 10 { |
| 492 | -re "47\\^connected.*$mi_gdb_prompt$" { |
| 493 | } |
| 494 | timeout { |
| 495 | perror "Unable to select sim target" |
| 496 | return -1 |
| 497 | } |
| 498 | } |
| 499 | send_gdb "48-target-download\n" |
| 500 | gdb_expect 10 { |
| 501 | -re "48\\^done.*$mi_gdb_prompt$" { |
| 502 | } |
| 503 | timeout { |
| 504 | perror "Unable to download to sim target" |
| 505 | return -1 |
| 506 | } |
| 507 | } |
| 508 | } elseif { [target_info gdb_protocol] == "remote" } { |
| 509 | # remote targets |
| 510 | if { [mi_gdb_target_cmd "remote" [target_info netport]] != 0 } { |
| 511 | perror "Unable to connect to remote target" |
| 512 | return -1 |
| 513 | } |
| 514 | send_gdb "48-target-download\n" |
| 515 | gdb_expect 10 { |
| 516 | -re "48\\^done.*$mi_gdb_prompt$" { |
| 517 | } |
| 518 | timeout { |
| 519 | perror "Unable to download to remote target" |
| 520 | return -1 |
| 521 | } |
| 522 | } |
| 523 | } |
| 524 | return 0 |
| 525 | } |
| 526 | |
| 527 | # |
| 528 | # load a file into the debugger. |
| 529 | # return a -1 if anything goes wrong. |
| 530 | # |
| 531 | proc mi_gdb_load { arg } { |
| 532 | if { $arg != "" } { |
| 533 | return [mi_gdb_file_cmd $arg] |
| 534 | } |
| 535 | return 0 |
| 536 | } |
| 537 | |
| 538 | # mi_gdb_test COMMAND PATTERN MESSAGE [IPATTERN] -- send a command to gdb; |
| 539 | # test the result. |
| 540 | # |
| 541 | # COMMAND is the command to execute, send to GDB with send_gdb. If |
| 542 | # this is the null string no command is sent. |
| 543 | # PATTERN is the pattern to match for a PASS, and must NOT include |
| 544 | # the \r\n sequence immediately before the gdb prompt. |
| 545 | # MESSAGE is the message to be printed. (If this is the empty string, |
| 546 | # then sometimes we don't call pass or fail at all; I don't |
| 547 | # understand this at all.) |
| 548 | # IPATTERN is the pattern to match for the inferior's output. This parameter |
| 549 | # is optional. If present, it will produce a PASS if the match is |
| 550 | # successful, and a FAIL if unsuccessful. |
| 551 | # |
| 552 | # Returns: |
| 553 | # 1 if the test failed, |
| 554 | # 0 if the test passes, |
| 555 | # -1 if there was an internal error. |
| 556 | # |
| 557 | proc mi_gdb_test { args } { |
| 558 | global verbose |
| 559 | global mi_gdb_prompt |
| 560 | global GDB expect_out |
| 561 | upvar timeout timeout |
| 562 | |
| 563 | set command [lindex $args 0] |
| 564 | set pattern [lindex $args 1] |
| 565 | set message [lindex $args 2] |
| 566 | |
| 567 | if [llength $args]==4 { |
| 568 | set ipattern [lindex $args 3] |
| 569 | } |
| 570 | |
| 571 | if [llength $args]==5 { |
| 572 | set question_string [lindex $args 3]; |
| 573 | set response_string [lindex $args 4]; |
| 574 | } else { |
| 575 | set question_string "^FOOBAR$" |
| 576 | } |
| 577 | |
| 578 | if $verbose>2 then { |
| 579 | send_user "Sending \"$command\" to gdb\n" |
| 580 | send_user "Looking to match \"$pattern\"\n" |
| 581 | send_user "Message is \"$message\"\n" |
| 582 | } |
| 583 | |
| 584 | set result -1 |
| 585 | set string "${command}\n"; |
| 586 | set string_regex [string_to_regexp $command] |
| 587 | |
| 588 | if { $command != "" } { |
| 589 | while { "$string" != "" } { |
| 590 | set foo [string first "\n" "$string"]; |
| 591 | set len [string length "$string"]; |
| 592 | if { $foo < [expr $len - 1] } { |
| 593 | set str [string range "$string" 0 $foo]; |
| 594 | if { [send_gdb "$str"] != "" } { |
| 595 | global suppress_flag; |
| 596 | |
| 597 | if { ! $suppress_flag } { |
| 598 | perror "Couldn't send $command to GDB."; |
| 599 | } |
| 600 | fail "$message"; |
| 601 | return $result; |
| 602 | } |
| 603 | gdb_expect 2 { |
| 604 | -re "\[\r\n\]" { } |
| 605 | timeout { } |
| 606 | } |
| 607 | set string [string range "$string" [expr $foo + 1] end]; |
| 608 | } else { |
| 609 | break; |
| 610 | } |
| 611 | } |
| 612 | if { "$string" != "" } { |
| 613 | if { [send_gdb "$string"] != "" } { |
| 614 | global suppress_flag; |
| 615 | |
| 616 | if { ! $suppress_flag } { |
| 617 | perror "Couldn't send $command to GDB."; |
| 618 | } |
| 619 | fail "$message"; |
| 620 | return $result; |
| 621 | } |
| 622 | } |
| 623 | } |
| 624 | |
| 625 | if [info exists timeout] { |
| 626 | set tmt $timeout; |
| 627 | } else { |
| 628 | global timeout; |
| 629 | if [info exists timeout] { |
| 630 | set tmt $timeout; |
| 631 | } else { |
| 632 | set tmt 60; |
| 633 | } |
| 634 | } |
| 635 | gdb_expect $tmt { |
| 636 | -re "\\*\\*\\* DOSEXIT code.*" { |
| 637 | if { $message != "" } { |
| 638 | fail "$message"; |
| 639 | } |
| 640 | gdb_suppress_entire_file "GDB died"; |
| 641 | return -1; |
| 642 | } |
| 643 | -re "Ending remote debugging.*$mi_gdb_prompt\[ \]*$" { |
| 644 | if ![isnative] then { |
| 645 | warning "Can`t communicate to remote target." |
| 646 | } |
| 647 | gdb_exit |
| 648 | gdb_start |
| 649 | set result -1 |
| 650 | } |
| 651 | -re "^($string_regex\[\r\n\]+)?($pattern\[\r\n\]+$mi_gdb_prompt\[ \]*)" { |
| 652 | # At this point, $expect_out(1,string) is the MI input command. |
| 653 | # and $expect_out(2,string) is the MI output command. |
| 654 | # If $expect_out(1,string) is "", then there was no MI input command here. |
| 655 | |
| 656 | # NOTE, there is no trailing anchor because with GDB/MI, |
| 657 | # asynchronous responses can happen at any point, causing more |
| 658 | # data to be available. Normally an anchor is used to make |
| 659 | # sure the end of the output is matched, however, $mi_gdb_prompt |
| 660 | # is just as good of an anchor since mi_gdb_test is meant to |
| 661 | # match a single mi output command. If a second GDB/MI output |
| 662 | # response is sent, it will be in the buffer for the next |
| 663 | # time mi_gdb_test is called. |
| 664 | if ![string match "" $message] then { |
| 665 | pass "$message" |
| 666 | } |
| 667 | set result 0 |
| 668 | } |
| 669 | -re "(${question_string})$" { |
| 670 | send_gdb "$response_string\n"; |
| 671 | exp_continue; |
| 672 | } |
| 673 | -re "Undefined.* command:.*$mi_gdb_prompt\[ \]*$" { |
| 674 | perror "Undefined command \"$command\"." |
| 675 | fail "$message" |
| 676 | set result 1 |
| 677 | } |
| 678 | -re "Ambiguous command.*$mi_gdb_prompt\[ \]*$" { |
| 679 | perror "\"$command\" is not a unique command name." |
| 680 | fail "$message" |
| 681 | set result 1 |
| 682 | } |
| 683 | -re "Program exited with code \[0-9\]+.*$mi_gdb_prompt\[ \]*$" { |
| 684 | if ![string match "" $message] then { |
| 685 | set errmsg "$message (the program exited)" |
| 686 | } else { |
| 687 | set errmsg "$command (the program exited)" |
| 688 | } |
| 689 | fail "$errmsg" |
| 690 | return -1 |
| 691 | } |
| 692 | -re "The program is not being run.*$mi_gdb_prompt\[ \]*$" { |
| 693 | if ![string match "" $message] then { |
| 694 | set errmsg "$message (the program is no longer running)" |
| 695 | } else { |
| 696 | set errmsg "$command (the program is no longer running)" |
| 697 | } |
| 698 | fail "$errmsg" |
| 699 | return -1 |
| 700 | } |
| 701 | -re ".*$mi_gdb_prompt\[ \]*$" { |
| 702 | if ![string match "" $message] then { |
| 703 | fail "$message" |
| 704 | } |
| 705 | set result 1 |
| 706 | } |
| 707 | "<return>" { |
| 708 | send_gdb "\n" |
| 709 | perror "Window too small." |
| 710 | fail "$message" |
| 711 | } |
| 712 | -re "\\(y or n\\) " { |
| 713 | send_gdb "n\n" |
| 714 | perror "Got interactive prompt." |
| 715 | fail "$message" |
| 716 | } |
| 717 | eof { |
| 718 | perror "Process no longer exists" |
| 719 | if { $message != "" } { |
| 720 | fail "$message" |
| 721 | } |
| 722 | return -1 |
| 723 | } |
| 724 | full_buffer { |
| 725 | perror "internal buffer is full." |
| 726 | fail "$message" |
| 727 | } |
| 728 | timeout { |
| 729 | if ![string match "" $message] then { |
| 730 | fail "$message (timeout)" |
| 731 | } |
| 732 | set result 1 |
| 733 | } |
| 734 | } |
| 735 | |
| 736 | # If the GDB output matched, compare the inferior output. |
| 737 | if { $result == 0 } { |
| 738 | if [ info exists ipattern ] { |
| 739 | if { ![target_info exists gdb,noinferiorio] } { |
| 740 | global mi_inferior_spawn_id |
| 741 | expect { |
| 742 | -i $mi_inferior_spawn_id -re "$ipattern" { |
| 743 | pass "$message inferior output" |
| 744 | } |
| 745 | timeout { |
| 746 | fail "$message inferior output (timeout)" |
| 747 | set result 1 |
| 748 | } |
| 749 | } |
| 750 | } else { |
| 751 | unsupported "$message inferior output" |
| 752 | } |
| 753 | } |
| 754 | } |
| 755 | |
| 756 | return $result |
| 757 | } |
| 758 | |
| 759 | # |
| 760 | # MI run command. (A modified version of gdb_run_cmd) |
| 761 | # |
| 762 | |
| 763 | # In patterns, the newline sequence ``\r\n'' is matched explicitly as |
| 764 | # ``.*$'' could swallow up output that we attempt to match elsewhere. |
| 765 | |
| 766 | proc mi_run_cmd {args} { |
| 767 | global suppress_flag |
| 768 | if { $suppress_flag } { |
| 769 | return -1 |
| 770 | } |
| 771 | global mi_gdb_prompt |
| 772 | |
| 773 | if [target_info exists gdb_init_command] { |
| 774 | send_gdb "[target_info gdb_init_command]\n"; |
| 775 | gdb_expect 30 { |
| 776 | -re "$mi_gdb_prompt$" { } |
| 777 | default { |
| 778 | perror "gdb_init_command for target failed"; |
| 779 | return; |
| 780 | } |
| 781 | } |
| 782 | } |
| 783 | |
| 784 | if { [mi_gdb_target_load] < 0 } { |
| 785 | return |
| 786 | } |
| 787 | |
| 788 | if [target_info exists use_gdb_stub] { |
| 789 | if [target_info exists gdb,do_reload_on_run] { |
| 790 | send_gdb "000-exec-continue\n"; |
| 791 | gdb_expect 60 { |
| 792 | -re "000\\^running\[\r\n\]+$mi_gdb_prompt$" {} |
| 793 | default {} |
| 794 | } |
| 795 | return; |
| 796 | } |
| 797 | |
| 798 | if [target_info exists gdb,start_symbol] { |
| 799 | set start [target_info gdb,start_symbol]; |
| 800 | } else { |
| 801 | set start "start"; |
| 802 | } |
| 803 | |
| 804 | # HACK: Should either use 000-jump or fix the target code |
| 805 | # to better handle RUN. |
| 806 | send_gdb "jump *$start\n" |
| 807 | warning "Using CLI jump command, expect run-to-main FAIL" |
| 808 | return |
| 809 | } |
| 810 | |
| 811 | send_gdb "000-exec-run $args\n" |
| 812 | gdb_expect { |
| 813 | -re "000\\^running\r\n${mi_gdb_prompt}" { |
| 814 | } |
| 815 | timeout { |
| 816 | perror "Unable to start target" |
| 817 | return |
| 818 | } |
| 819 | } |
| 820 | # NOTE: Shortly after this there will be a ``000*stopped,...(gdb)'' |
| 821 | } |
| 822 | |
| 823 | # |
| 824 | # Just like run-to-main but works with the MI interface |
| 825 | # |
| 826 | |
| 827 | proc mi_run_to_main { } { |
| 828 | global suppress_flag |
| 829 | if { $suppress_flag } { |
| 830 | return -1 |
| 831 | } |
| 832 | |
| 833 | global srcdir |
| 834 | global subdir |
| 835 | global binfile |
| 836 | global srcfile |
| 837 | |
| 838 | mi_delete_breakpoints |
| 839 | mi_gdb_reinitialize_dir $srcdir/$subdir |
| 840 | mi_gdb_load ${binfile} |
| 841 | |
| 842 | mi_runto main |
| 843 | } |
| 844 | |
| 845 | |
| 846 | # Just like gdb's "runto" proc, it will run the target to a given |
| 847 | # function. The big difference here between mi_runto and mi_execute_to |
| 848 | # is that mi_execute_to must have the inferior running already. This |
| 849 | # proc will (like gdb's runto) (re)start the inferior, too. |
| 850 | # |
| 851 | # FUNC is the linespec of the place to stop (it inserts a breakpoint here). |
| 852 | # It returns: |
| 853 | # -1 if test suppressed, failed, timedout |
| 854 | # 0 if test passed |
| 855 | |
| 856 | proc mi_runto_helper {func run_or_continue} { |
| 857 | global suppress_flag |
| 858 | if { $suppress_flag } { |
| 859 | return -1 |
| 860 | } |
| 861 | |
| 862 | global mi_gdb_prompt expect_out |
| 863 | global hex decimal fullname_syntax |
| 864 | |
| 865 | set test "mi runto $func" |
| 866 | mi_gdb_test "200-break-insert -t $func" \ |
| 867 | "200\\^done,bkpt=\{number=\"\[0-9\]+\",type=\"breakpoint\",disp=\"del\",enabled=\"y\",addr=\"$hex\",func=\"$func\(\\\(.*\\\)\)?\",file=\".*\",line=\"\[0-9\]*\",times=\"0\"\}" \ |
| 868 | "breakpoint at $func" |
| 869 | |
| 870 | if {![regexp {number="[0-9]+"} $expect_out(buffer) str] |
| 871 | || ![scan $str {number="%d"} bkptno]} { |
| 872 | set bkptno {[0-9]+} |
| 873 | } |
| 874 | |
| 875 | if {$run_or_continue == "run"} { |
| 876 | mi_run_cmd |
| 877 | } else { |
| 878 | send_gdb "000-exec-continue\n" |
| 879 | gdb_expect { |
| 880 | -re "000\\^running\r\n${mi_gdb_prompt}" { |
| 881 | } |
| 882 | timeout { |
| 883 | fail "$test" |
| 884 | return -1 |
| 885 | } |
| 886 | } |
| 887 | } |
| 888 | |
| 889 | gdb_expect { |
| 890 | -re ".*000\\*stopped,thread-id=\"$decimal\",frame=\{addr=\"$hex\",func=\"$func\",args=\(\\\[.*\\\]\|\{.*\}\),file=\".*\",fullname=\"${fullname_syntax}.*\",line=\"\[0-9\]*\"\}\r\n$mi_gdb_prompt$" { |
| 891 | pass "$test" |
| 892 | return 0 |
| 893 | } |
| 894 | -re ".*$mi_gdb_prompt$" { |
| 895 | fail "$test (2)" |
| 896 | } |
| 897 | timeout { |
| 898 | fail "$test (timeout)" |
| 899 | return -1 |
| 900 | } |
| 901 | } |
| 902 | } |
| 903 | |
| 904 | proc mi_runto {func} { |
| 905 | mi_runto_helper $func "run" |
| 906 | } |
| 907 | |
| 908 | # Next to the next statement |
| 909 | # For return values, see mi_execute_to_helper |
| 910 | |
| 911 | proc mi_next { test } { |
| 912 | return [mi_next_to {.*} {.*} {.*} {.*} $test] |
| 913 | } |
| 914 | |
| 915 | |
| 916 | # Step to the next statement |
| 917 | # For return values, see mi_execute_to_helper |
| 918 | |
| 919 | proc mi_step { test } { |
| 920 | return [mi_step_to {.*} {.*} {.*} {.*} $test] |
| 921 | } |
| 922 | |
| 923 | # cmd should not include the number or newline (i.e. "exec-step 3", not |
| 924 | # "220-exec-step 3\n" |
| 925 | |
| 926 | # Can not match -re ".*\r\n${mi_gdb_prompt}", because of false positives |
| 927 | # after the first prompt is printed. |
| 928 | |
| 929 | proc mi_execute_to_helper { cmd reason func args file line extra test } { |
| 930 | global suppress_flag |
| 931 | if { $suppress_flag } { |
| 932 | return -1 |
| 933 | } |
| 934 | global mi_gdb_prompt |
| 935 | global hex |
| 936 | global decimal |
| 937 | global fullname_syntax |
| 938 | send_gdb "220-$cmd\n" |
| 939 | gdb_expect { |
| 940 | -re "220\\^running\r\n${mi_gdb_prompt}.*220\\*stopped,reason=\"$reason\",thread-id=\"$decimal\",frame=\{addr=\"$hex\",func=\"$func\",args=$args,file=\".*$file\",fullname=\"${fullname_syntax}$file\",line=\"$line\"\}$extra\r\n$mi_gdb_prompt$" { |
| 941 | pass "$test" |
| 942 | return 0 |
| 943 | } |
| 944 | -re "220\\^running\r\n${mi_gdb_prompt}.*220\\*stopped,reason=\"$reason\",thread-id=\"$decimal\",frame=\{addr=\"$hex\",func=\".*\",args=\[\\\[\{\].*\[\\\]\}\],file=\".*\",fullname=\"${fullname_syntax}.*\",line=\"\[0-9\]*\"\}.*\r\n$mi_gdb_prompt$" { |
| 945 | fail "$test (stopped at wrong place)" |
| 946 | return -1 |
| 947 | } |
| 948 | -re "220\\^running\r\n${mi_gdb_prompt}.*\r\n${mi_gdb_prompt}$" { |
| 949 | fail "$test (unknown output after running)" |
| 950 | return -1 |
| 951 | } |
| 952 | timeout { |
| 953 | fail "$test (timeout)" |
| 954 | return -1 |
| 955 | } |
| 956 | } |
| 957 | } |
| 958 | |
| 959 | proc mi_execute_to { cmd reason func args file line extra test } { |
| 960 | mi_execute_to_helper "$cmd" "$reason" "$func" "\\\[$args\\\]" \ |
| 961 | "$file" "$line" "$extra" "$test" |
| 962 | } |
| 963 | |
| 964 | proc mi_next_to { func args file line test } { |
| 965 | mi_execute_to "exec-next" "end-stepping-range" "$func" "$args" \ |
| 966 | "$file" "$line" "" "$test" |
| 967 | } |
| 968 | |
| 969 | proc mi_step_to { func args file line test } { |
| 970 | mi_execute_to "exec-step" "end-stepping-range" "$func" "$args" \ |
| 971 | "$file" "$line" "" "$test" |
| 972 | } |
| 973 | |
| 974 | proc mi_finish_to { func args file line result ret test } { |
| 975 | mi_execute_to "exec-finish" "function-finished" "$func" "$args" \ |
| 976 | "$file" "$line" \ |
| 977 | ",gdb-result-var=\"$result\",return-value=\"$ret\"" \ |
| 978 | "$test" |
| 979 | } |
| 980 | |
| 981 | proc mi_continue_to {func} { |
| 982 | mi_runto_helper $func "continue" |
| 983 | } |
| 984 | |
| 985 | proc mi0_execute_to { cmd reason func args file line extra test } { |
| 986 | mi_execute_to_helper "$cmd" "$reason" "$func" "\{$args\}" \ |
| 987 | "$file" "$line" "$extra" "$test" |
| 988 | } |
| 989 | |
| 990 | proc mi0_next_to { func args file line test } { |
| 991 | mi0_execute_to "exec-next" "end-stepping-range" "$func" "$args" \ |
| 992 | "$file" "$line" "" "$test" |
| 993 | } |
| 994 | |
| 995 | proc mi0_step_to { func args file line test } { |
| 996 | mi0_execute_to "exec-step" "end-stepping-range" "$func" "$args" \ |
| 997 | "$file" "$line" "" "$test" |
| 998 | } |
| 999 | |
| 1000 | proc mi0_finish_to { func args file line result ret test } { |
| 1001 | mi0_execute_to "exec-finish" "function-finished" "$func" "$args" \ |
| 1002 | "$file" "$line" \ |
| 1003 | ",gdb-result-var=\"$result\",return-value=\"$ret\"" \ |
| 1004 | "$test" |
| 1005 | } |
| 1006 | |
| 1007 | proc mi0_continue_to { bkptno func args file line test } { |
| 1008 | mi0_execute_to "exec-continue" "breakpoint-hit\",bkptno=\"$bkptno" \ |
| 1009 | "$func" "$args" "$file" "$line" "" "$test" |
| 1010 | } |
| 1011 | |
| 1012 | # Creates varobj named NAME for EXPRESSION. |
| 1013 | # Name cannot be "-". |
| 1014 | proc mi_create_varobj { name expression testname } { |
| 1015 | mi_gdb_test "-var-create $name * $expression" \ |
| 1016 | "\\^done,name=\"$name\",numchild=\"\[0-9\]+\",value=\".*\",type=.*" \ |
| 1017 | $testname |
| 1018 | } |
| 1019 | |
| 1020 | # Deletes the specified NAME. |
| 1021 | proc mi_delete_varobj { name testname } { |
| 1022 | mi_gdb_test "-var-delete $name" \ |
| 1023 | "\\^done,ndeleted=.*" \ |
| 1024 | $testname |
| 1025 | } |
| 1026 | |
| 1027 | # Updates varobj named NAME and checks that all varobjs in EXPECTED |
| 1028 | # are reported as updated, and no other varobj is updated. |
| 1029 | # Assumes that no varobj is out of scope and that no varobj changes |
| 1030 | # types. |
| 1031 | proc mi_varobj_update { name expected testname } { |
| 1032 | set er "\\^done,changelist=\\\[" |
| 1033 | set first 1 |
| 1034 | foreach item $expected { |
| 1035 | set v "{name=\"$item\",in_scope=\"true\",type_changed=\"false\"}" |
| 1036 | if {$first == 1} { |
| 1037 | set er "$er$v" |
| 1038 | set first 0 |
| 1039 | } else { |
| 1040 | set er "$er,$v" |
| 1041 | } |
| 1042 | } |
| 1043 | set er "$er\\\]" |
| 1044 | |
| 1045 | verbose -log "Expecting: $er" 2 |
| 1046 | mi_gdb_test "-var-update $name" $er $testname |
| 1047 | } |
| 1048 | |
| 1049 | proc mi_check_varobj_value { name value testname } { |
| 1050 | |
| 1051 | mi_gdb_test "-var-evaluate-expression $name" \ |
| 1052 | "\\^done,value=\"$value\"" \ |
| 1053 | $testname |
| 1054 | } |
| 1055 | |
| 1056 | # Check the results of the: |
| 1057 | # |
| 1058 | # -var-list-children VARNAME |
| 1059 | # |
| 1060 | # command. The CHILDREN parement should be a list of lists. |
| 1061 | # Each inner list can have either 3 or 4 elements, describing |
| 1062 | # fields that gdb is expected to report for child variable object, |
| 1063 | # in the following order |
| 1064 | # |
| 1065 | # - Name |
| 1066 | # - Expression |
| 1067 | # - Number of children |
| 1068 | # - Type |
| 1069 | # |
| 1070 | # If inner list has 3 elements, the gdb is expected to output no |
| 1071 | # type for a child. |
| 1072 | # |
| 1073 | proc mi_list_varobj_children { varname children testname } { |
| 1074 | |
| 1075 | set numchildren [llength $children] |
| 1076 | set children_exp {} |
| 1077 | set whatever "\"\[^\"\]+\"" |
| 1078 | |
| 1079 | foreach item $children { |
| 1080 | |
| 1081 | set name [lindex $item 0] |
| 1082 | set exp [lindex $item 1] |
| 1083 | set numchild [lindex $item 2] |
| 1084 | if {[llength $item] == 4} { |
| 1085 | set type [lindex $item 3] |
| 1086 | |
| 1087 | lappend children_exp\ |
| 1088 | "child={name=\"$name\",exp=\"$exp\",numchild=\"$numchild\",type=\"$type\"}" |
| 1089 | } else { |
| 1090 | lappend children_exp\ |
| 1091 | "child={name=\"$name\",exp=\"$exp\",numchild=\"$numchild\"}" |
| 1092 | } |
| 1093 | } |
| 1094 | set children_exp_j [join $children_exp ","] |
| 1095 | set expected "\\^done,numchild=\"$numchildren\",children=\\\[$children_exp_j\\\]" |
| 1096 | |
| 1097 | verbose -log "Expecting: $expected" |
| 1098 | |
| 1099 | mi_gdb_test "-var-list-children $varname" $expected $testname |
| 1100 | } |
| 1101 | |
| 1102 | # A list of two-element lists. First element of each list is |
| 1103 | # a Tcl statement, and the second element is the line |
| 1104 | # number of source C file where the statement originates. |
| 1105 | set mi_autotest_data "" |
| 1106 | # The name of the source file for autotesting. |
| 1107 | set mi_autotest_source "" |
| 1108 | |
| 1109 | proc count_newlines { string } { |
| 1110 | return [regexp -all "\n" $string] |
| 1111 | } |
| 1112 | |
| 1113 | # Prepares for running inline tests in FILENAME. |
| 1114 | # See comments for mi_run_inline_test for detailed |
| 1115 | # explanation of the idea and syntax. |
| 1116 | proc mi_prepare_inline_tests { filename } { |
| 1117 | |
| 1118 | global srcdir |
| 1119 | global subdir |
| 1120 | global mi_autotest_source |
| 1121 | global mi_autotest_data |
| 1122 | |
| 1123 | set mi_autotest_data {} |
| 1124 | |
| 1125 | set mi_autotest_source $filename |
| 1126 | |
| 1127 | if { ! [regexp "^/" "$filename"] } then { |
| 1128 | set filename "$srcdir/$subdir/$filename" |
| 1129 | } |
| 1130 | |
| 1131 | set chan [open $filename] |
| 1132 | set content [read $chan] |
| 1133 | set line_number 1 |
| 1134 | while {1} { |
| 1135 | set start [string first "/*:" $content] |
| 1136 | if {$start != -1} { |
| 1137 | set end [string first ":*/" $content] |
| 1138 | if {$end == -1} { |
| 1139 | error "Unterminated special comment in $filename" |
| 1140 | } |
| 1141 | |
| 1142 | set prefix [string range $content 0 $start] |
| 1143 | set prefix_newlines [count_newlines $prefix] |
| 1144 | |
| 1145 | set line_number [expr $line_number+$prefix_newlines] |
| 1146 | set comment_line $line_number |
| 1147 | |
| 1148 | set comment [string range $content [expr $start+3] [expr $end-1]] |
| 1149 | |
| 1150 | set comment_newlines [count_newlines $comment] |
| 1151 | set line_number [expr $line_number+$comment_newlines] |
| 1152 | |
| 1153 | set comment [string trim $comment] |
| 1154 | set content [string range $content [expr $end+3] \ |
| 1155 | [string length $content]] |
| 1156 | lappend mi_autotest_data [list $comment $comment_line] |
| 1157 | } else { |
| 1158 | break |
| 1159 | } |
| 1160 | } |
| 1161 | close $chan |
| 1162 | } |
| 1163 | |
| 1164 | # Helper to mi_run_inline_test below. |
| 1165 | # Return the list of all (statement,line_number) lists |
| 1166 | # that comprise TESTCASE. The begin and end markers |
| 1167 | # are not included. |
| 1168 | proc mi_get_inline_test {testcase} { |
| 1169 | |
| 1170 | global mi_gdb_prompt |
| 1171 | global mi_autotest_data |
| 1172 | global mi_autotest_source |
| 1173 | |
| 1174 | set result {} |
| 1175 | |
| 1176 | set seen_begin 0 |
| 1177 | set seen_end 0 |
| 1178 | foreach l $mi_autotest_data { |
| 1179 | |
| 1180 | set comment [lindex $l 0] |
| 1181 | |
| 1182 | if {$comment == "BEGIN: $testcase"} { |
| 1183 | set seen_begin 1 |
| 1184 | } elseif {$comment == "END: $testcase"} { |
| 1185 | set seen_end 1 |
| 1186 | break |
| 1187 | } elseif {$seen_begin==1} { |
| 1188 | lappend result $l |
| 1189 | } |
| 1190 | } |
| 1191 | |
| 1192 | if {$seen_begin == 0} { |
| 1193 | error "Autotest $testcase not found" |
| 1194 | } |
| 1195 | |
| 1196 | if {$seen_begin == 1 && $seen_end == 0} { |
| 1197 | error "Missing end marker for test $testcase" |
| 1198 | } |
| 1199 | |
| 1200 | return $result |
| 1201 | } |
| 1202 | |
| 1203 | # Sets temporary breakpoint at LOCATION. |
| 1204 | proc mi_tbreak {location} { |
| 1205 | |
| 1206 | global mi_gdb_prompt |
| 1207 | |
| 1208 | mi_gdb_test "-break-insert -t $location" \ |
| 1209 | {\^done,bkpt=.*} \ |
| 1210 | "run to $location (set breakpoint)" |
| 1211 | } |
| 1212 | |
| 1213 | # Send COMMAND that must be a command that resumes |
| 1214 | # the inferiour (run/continue/next/etc) and consumes |
| 1215 | # the "^running" output from it. |
| 1216 | proc mi_send_resuming_command {command test} { |
| 1217 | |
| 1218 | global mi_gdb_prompt |
| 1219 | |
| 1220 | send_gdb "220-$command\n" |
| 1221 | gdb_expect { |
| 1222 | -re "220\\^running\r\n${mi_gdb_prompt}" { |
| 1223 | } |
| 1224 | timeout { |
| 1225 | fail $test |
| 1226 | } |
| 1227 | } |
| 1228 | } |
| 1229 | |
| 1230 | # Helper to mi_run_inline_test below. |
| 1231 | # Sets a temporary breakpoint at LOCATION and runs |
| 1232 | # the program using COMMAND. When the program is stopped |
| 1233 | # returns the line at which it. Returns -1 if line cannot |
| 1234 | # be determined. |
| 1235 | # Does not check that the line is the same as requested. |
| 1236 | # The caller can check itself if required. |
| 1237 | proc mi_continue_to_line {location test} { |
| 1238 | |
| 1239 | mi_tbreak $location |
| 1240 | mi_send_resuming_command "exec-continue" "run to $location (exec-continue)" |
| 1241 | return [mi_wait_for_stop $test] |
| 1242 | } |
| 1243 | |
| 1244 | # Wait until gdb prints the current line. |
| 1245 | proc mi_wait_for_stop {test} { |
| 1246 | |
| 1247 | global mi_gdb_prompt |
| 1248 | |
| 1249 | gdb_expect { |
| 1250 | -re ".*line=\"(.*)\".*\r\n$mi_gdb_prompt$" { |
| 1251 | return $expect_out(1,string) |
| 1252 | } |
| 1253 | -re ".*$mi_gdb_prompt$" { |
| 1254 | fail "wait for stop ($test)" |
| 1255 | } |
| 1256 | timeout { |
| 1257 | fail "wait for stop ($test)" |
| 1258 | } |
| 1259 | } |
| 1260 | } |
| 1261 | |
| 1262 | # Run a MI test embedded in comments in a C file. |
| 1263 | # The C file should contain special comments in the following |
| 1264 | # three forms: |
| 1265 | # |
| 1266 | # /*: BEGIN: testname :*/ |
| 1267 | # /*: <Tcl statements> :*/ |
| 1268 | # /*: END: testname :*/ |
| 1269 | # |
| 1270 | # This procedure find the begin and end marker for the requested |
| 1271 | # test. Then, a temporary breakpoint is set at the begin |
| 1272 | # marker and the program is run (from start). |
| 1273 | # |
| 1274 | # After that, for each special comment between the begin and end |
| 1275 | # marker, the Tcl statements are executed. It is assumed that |
| 1276 | # for each comment, the immediately preceding line is executable |
| 1277 | # C statement. Then, gdb will be single-stepped until that |
| 1278 | # preceding C statement is executed, and after that the |
| 1279 | # Tcl statements in the comment will be executed. |
| 1280 | # |
| 1281 | # For example: |
| 1282 | # |
| 1283 | # /*: BEGIN: assignment-test :*/ |
| 1284 | # v = 10; |
| 1285 | # /*: <Tcl code to check that 'v' is indeed 10 :*/ |
| 1286 | # /*: END: assignment-test :*/ |
| 1287 | # |
| 1288 | # The mi_prepare_inline_tests function should be called before |
| 1289 | # calling this function. A given C file can contain several |
| 1290 | # inline tests. The names of the tests must be unique within one |
| 1291 | # C file. |
| 1292 | # |
| 1293 | proc mi_run_inline_test { testcase } { |
| 1294 | |
| 1295 | global mi_gdb_prompt |
| 1296 | global hex |
| 1297 | global decimal |
| 1298 | global fullname_syntax |
| 1299 | global mi_autotest_source |
| 1300 | |
| 1301 | set commands [mi_get_inline_test $testcase] |
| 1302 | |
| 1303 | set first 1 |
| 1304 | set line_now 1 |
| 1305 | |
| 1306 | foreach c $commands { |
| 1307 | set statements [lindex $c 0] |
| 1308 | set line [lindex $c 1] |
| 1309 | set line [expr $line-1] |
| 1310 | |
| 1311 | # We want gdb to be stopped at the expression immediately |
| 1312 | # before the comment. If this is the first comment, the |
| 1313 | # program is either not started yet or is in some random place, |
| 1314 | # so we run it. For further comments, we might be already |
| 1315 | # standing at the right line. If not continue till the |
| 1316 | # right line. |
| 1317 | |
| 1318 | if {$first==1} { |
| 1319 | # Start the program afresh. |
| 1320 | mi_tbreak "$mi_autotest_source:$line" |
| 1321 | mi_run_cmd |
| 1322 | set line_now [mi_wait_for_stop "$testcase: step to $line"] |
| 1323 | set first 0 |
| 1324 | } elseif {$line_now!=$line} { |
| 1325 | set line_now [mi_continue_to_line "$mi_autotest_source:$line" "continue to $line"] |
| 1326 | } |
| 1327 | |
| 1328 | if {$line_now!=$line} { |
| 1329 | fail "$testcase: go to line $line" |
| 1330 | } |
| 1331 | |
| 1332 | # We're not at the statement right above the comment. |
| 1333 | # Execute that statement so that the comment can test |
| 1334 | # the state after the statement is executed. |
| 1335 | |
| 1336 | # Single-step past the line. |
| 1337 | mi_send_resuming_command "exec-next" "$testcase: step over $line" |
| 1338 | set line_now [mi_wait_for_stop "$testcase: step over $line"] |
| 1339 | |
| 1340 | # We probably want to use 'uplevel' so that statements |
| 1341 | # have direct access to global variables that the |
| 1342 | # main 'exp' file has set up. But it's not yet clear, |
| 1343 | # will need more experience to be sure. |
| 1344 | eval $statements |
| 1345 | } |
| 1346 | } |