gdb/testsuite/gdb.base/commands.exp

   1 #   Copyright 1988-2023 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 #
  17 # test special commands (if, while, etc)
  18 #
  19
  20 # The allow_hw_watchpoint_tests checks if watchpoints are supported by the
  21 # processor.  On PowerPC, the check runs a small test program under gdb
  22 # to determine if the Power processor supports HW watchpoints.  The check
  23 # must be done before starting the test so as to not disrupt the execution
  24 # of the actual test.
  25
  26 set allow_hw_watchpoint_tests_p [allow_hw_watchpoint_tests]
  27
  28 standard_testfile run.c
  29
  30 set flags {}
  31 lappend flags debug
  32 lappend flags additional_flags=-DFAKEARGV
  33 lappend_include_file flags $srcdir/lib/unbuffer_output.c
  34
  35 if { [prepare_for_testing "failed to prepare" $testfile $srcfile $flags] } {
  36     return -1
  37 }
  38
  39 # Run to FUNCTION.  If that fails, issue a FAIL and make the caller
  40 # return.
  41
  42 proc runto_or_return {function} {
  43     if { ![runto factorial] } {
  44         return -code return
  45     }
  46 }
  47
  48 proc_with_prefix gdbvar_simple_if_test {} {
  49     global valnum_re
  50
  51     gdb_test_no_output "set \$foo = 0" "set foo"
  52     # All this test should do is print 0xdeadbeef once.
  53     gdb_test \
  54         [multi_line_input \
  55              {if $foo == 1} \
  56              {  p/x 0xfeedface} \
  57              {else} \
  58              {  p/x 0xdeadbeef} \
  59              {end}] \
  60         "$valnum_re = 0xdeadbeef" \
  61         "#1"
  62
  63     # All this test should do is print 0xfeedface once.
  64     gdb_test \
  65         [multi_line_input \
  66              {if $foo == 0} \
  67              {  p/x 0xfeedface} \
  68              {else} \
  69              {  p/x 0xdeadbeef} \
  70              {end}] \
  71         "$valnum_re = 0xfeedface" \
  72         "#2"
  73 }
  74
  75 proc_with_prefix gdbvar_simple_while_test {} {
  76     global valnum_re
  77
  78     gdb_test_no_output "set \$foo = 5" "set foo"
  79     # This test should print 0xfeedface five times.
  80     gdb_test \
  81         [multi_line_input \
  82              {while $foo > 0} \
  83              {  p/x 0xfeedface} \
  84              {  set $foo -= 1} \
  85              {end}] \
  86         [multi_line \
  87              "$valnum_re = 0xfeedface" \
  88              "$valnum_re = 0xfeedface" \
  89              "$valnum_re = 0xfeedface" \
  90              "$valnum_re = 0xfeedface" \
  91              "$valnum_re = 0xfeedface"] \
  92         "#1"
  93 }
  94
  95 proc_with_prefix gdbvar_complex_if_while_test {} {
  96     global valnum_re
  97
  98     gdb_test_no_output "set \$foo = 4" "set foo"
  99     # This test should alternate between 0xdeadbeef and 0xfeedface two times.
 100     gdb_test \
 101         [multi_line_input \
 102              {while $foo > 0} \
 103              {  set $foo -= 1} \
 104              {  if ($foo % 2) == 1} \
 105              {    p/x 0xdeadbeef} \
 106              {  else} \
 107              {    p/x 0xfeedface} \
 108              {  end} \
 109              {end}] \
 110         [multi_line \
 111              "$valnum_re = 0xdeadbeef" \
 112              "$valnum_re = 0xfeedface" \
 113              "$valnum_re = 0xdeadbeef" \
 114              "$valnum_re = 0xfeedface"] \
 115         "#1"
 116 }
 117
 118 proc_with_prefix progvar_simple_if_test {} {
 119     global valnum_re
 120
 121     runto_or_return factorial
 122
 123     # Don't depend upon argument passing, since most simulators don't
 124     # currently support it.  Bash value variable to be what we want.
 125     gdb_test "p value=5" " = 5" "set value to 5"
 126     # All this test should do is print 0xdeadbeef once.
 127     gdb_test \
 128         [multi_line_input \
 129              {if value == 1} \
 130              {  p/x 0xfeedface} \
 131              {else} \
 132              {  p/x 0xdeadbeef} \
 133              {end}] \
 134         "$valnum_re = 0xdeadbeef" \
 135         "#1"
 136
 137     # All this test should do is print 0xfeedface once.
 138     gdb_test \
 139         [multi_line_input \
 140              {if value == 5} \
 141              {  p/x 0xfeedface} \
 142              {else} \
 143              {  p/x 0xdeadbeef} \
 144              {end}] \
 145         "$valnum_re = 0xfeedface" \
 146         "#2"
 147 }
 148
 149 proc_with_prefix progvar_simple_while_test {} {
 150     global valnum_re
 151
 152     runto_or_return factorial
 153
 154     # Don't depend upon argument passing, since most simulators don't
 155     # currently support it.  Bash value variable to be what we want.
 156     gdb_test "p value=5" " = 5" "set value to 5"
 157     # This test should print 0xfeedface five times.
 158     gdb_test \
 159         [multi_line_input \
 160              {while value > 0} \
 161              {  p/x 0xfeedface} \
 162              {  set value -= 1} \
 163              {end}] \
 164         [multi_line \
 165              "$valnum_re = 0xfeedface" \
 166              "$valnum_re = 0xfeedface" \
 167              "$valnum_re = 0xfeedface" \
 168              "$valnum_re = 0xfeedface" \
 169              "$valnum_re = 0xfeedface"] \
 170         "#1"
 171 }
 172
 173 proc_with_prefix progvar_complex_if_while_test {} {
 174     global valnum_re
 175
 176     runto_or_return factorial
 177
 178     # Don't depend upon argument passing, since most simulators don't
 179     # currently support it.  Bash value variable to be what we want.
 180     gdb_test "p value=4" " = 4" "set value to 4"
 181     # This test should alternate between 0xdeadbeef and 0xfeedface two
 182     # times.
 183     gdb_test \
 184         [multi_line_input \
 185              {while value > 0} \
 186              {  set value -= 1} \
 187              {  if (value % 2) == 1} \
 188              {    p/x 0xdeadbeef} \
 189              {  else} \
 190              {    p/x 0xfeedface} \
 191              {  end} \
 192              {end}] \
 193         [multi_line \
 194              "$valnum_re = 0xdeadbeef" \
 195              "$valnum_re = 0xfeedface" \
 196              "$valnum_re = 0xdeadbeef" \
 197              "$valnum_re = 0xfeedface"] \
 198         "#1"
 199 }
 200
 201 proc_with_prefix if_while_breakpoint_command_test {} {
 202     global valnum_re
 203
 204     runto_or_return factorial
 205
 206     # Don't depend upon argument passing, since most simulators don't
 207     # currently support it.  Bash value variable to be what we want.
 208     gdb_test "p value=5" " = 5" "set value to 5"
 209     delete_breakpoints
 210     gdb_test "break factorial" "Breakpoint.*at.*"
 211
 212     gdb_test_multiple "commands" "commands" {
 213         -re "End with" {
 214             pass "commands"
 215         }
 216     }
 217
 218     # This test should alternate between 0xdeadbeef and 0xfeedface two times.
 219     gdb_test \
 220         [multi_line_input \
 221              {while value > 0} \
 222              {  set value -= 1} \
 223              {  if (value % 2) == 1} \
 224              {    p/x 0xdeadbeef} \
 225              {  else} \
 226              {    p/x 0xfeedface} \
 227              {  end} \
 228              {end} \
 229              {end}] \
 230         "" \
 231         "commands part 2"
 232     gdb_test \
 233         "continue" \
 234         [multi_line \
 235              "$valnum_re = 0xdeadbeef" \
 236              "$valnum_re = 0xfeedface" \
 237              "$valnum_re = 0xdeadbeef" \
 238              "$valnum_re = 0xfeedface"] \
 239         "#1"
 240     gdb_test "info break" "while.*set.*if.*p/x.*else.*p/x.*end.*"
 241 }
 242
 243 # Test that we can run the inferior from breakpoint commands.
 244 #
 245 # The expected behavior is that all commands after the first "step"
 246 # shall be ignored.  See the gdb manual, "Break Commands",
 247 # subsection "Breakpoint command lists".
 248
 249 proc_with_prefix infrun_breakpoint_command_test {} {
 250     runto_or_return factorial
 251
 252     # Don't depend upon argument passing, since most simulators don't
 253     # currently support it.  Bash value variable to be what we want.
 254     gdb_test "p value=6" " = 6" "set value to 6"
 255     delete_breakpoints
 256     gdb_test "break factorial if value == 5" "Breakpoint.*at.*"
 257
 258 # infrun_breakpoint_command_test - This test was broken into two parts
 259 # to get around a synchronization problem in expect.
 260 # part1: issue the gdb command "commands"
 261 # part2: send the list of commands
 262
 263     set test "commands #1"
 264     gdb_test_multiple "commands" $test {
 265         -re "End with" {
 266             pass $test
 267         }
 268     }
 269     gdb_test "step\nstep\nstep\nstep\nend" "" \
 270         "commands #2"
 271
 272     gdb_test "continue" \
 273         "Continuing.*.*.*Breakpoint \[0-9\]*, factorial \\(value=5\\).*at.*\[0-9\]*\[      \]*if \\(value > 1\\) \{.*\[0-9\]*\[      \]*value \\*= factorial \\(value - 1\\);.*"
 274 }
 275
 276 proc_with_prefix breakpoint_command_test {} {
 277     runto_or_return factorial
 278
 279     # Don't depend upon argument passing, since most simulators don't
 280     # currently support it.  Bash value variable to be what we want.
 281     gdb_test "p value=6" " = 6" "set value to 6"
 282     delete_breakpoints
 283     gdb_test "break factorial" "Breakpoint.*at.*"
 284     gdb_test \
 285         [multi_line_input \
 286              {commands} \
 287              {  printf "Now the value is %d\n", value} \
 288              {end}] \
 289         "End with.*" \
 290         "commands"
 291     gdb_test "continue" \
 292             "Breakpoint \[0-9\]*, factorial.*Now the value is 5"
 293     gdb_test "print value" " = 5"
 294 }
 295
 296 # Test clearing the commands of several breakpoints with one single "end".
 297 proc_with_prefix breakpoint_clear_command_test {} {
 298     runto_or_return factorial
 299
 300     set any "\[^\r\n\]*"
 301     delete_breakpoints
 302     gdb_test "break factorial" "Breakpoint.*at.*"
 303     gdb_test_no_output "set \$bpnumfactorial = \$bpnum"
 304     gdb_test "break -q main" "Breakpoint.*at.*"
 305     gdb_test_no_output "set \$bpnummain = \$bpnum"
 306
 307     gdb_test \
 308         [multi_line_input \
 309              {commands $bpnumfactorial $bpnummain} \
 310              {  print 1234321} \
 311              {end}] \
 312         "End with.*" \
 313         "set commands of two breakpoints to print 1234321"
 314     gdb_test "info breakpoints" \
 315         [multi_line \
 316              "${any}What${any}" \
 317              "${any}in factorial${any}" \
 318              "${any}print 1234321${any}" \
 319              "${any}in main${any}" \
 320              "${any}print 1234321${any}" \
 321             ] \
 322         "print 1234321 command present in the two breakpoints"
 323     gdb_test \
 324         [multi_line_input \
 325              {commands $bpnumfactorial $bpnummain} \
 326              {end}] \
 327         "End with.*" \
 328         "clear the command list of the two breakpoints"
 329     gdb_test "info breakpoints" \
 330         [multi_line \
 331              "${any}What${any}" \
 332              "${any}in factorial${any}" \
 333              "${any}in main${any}" \
 334             ] \
 335         "print 1234321 command is not present anymore in the two breakpoints"
 336     }
 337
 338 # Test a simple user defined command (with arguments)
 339 proc_with_prefix user_defined_command_test {} {
 340     global valnum_re
 341
 342     gdb_test_no_output "set \$foo = 4" "set foo"
 343
 344     gdb_test_multiple "define mycommand" "define mycommand" {
 345         -re "End with"  {
 346             pass "define mycommand"
 347         }
 348     }
 349
 350     # This test should alternate between 0xdeadbeef and 0xfeedface two times.
 351     gdb_test \
 352         [multi_line_input \
 353              {while $arg0 > 0} \
 354              {  set $arg0 -= 1} \
 355              {  if ($arg0 % 2) == 1} \
 356              {    p/x 0xdeadbeef} \
 357              {  else} \
 358              {    p/x 0xfeedface} \
 359              {  end} \
 360              {end} \
 361              {end}] \
 362         "" \
 363         "enter commands"
 364
 365     global decimal
 366     set valnum_re "\\\$$decimal"
 367
 368     gdb_test \
 369         {mycommand $foo} \
 370         [multi_line \
 371              "$valnum_re = 0xdeadbeef" \
 372              "$valnum_re = 0xfeedface" \
 373              "$valnum_re = 0xdeadbeef" \
 374              "$valnum_re = 0xfeedface"] \
 375         "execute user-defined command"
 376    gdb_test "show user mycommand" \
 377         "  while \\\$arg0.*set.*    if \\\(\\\$arg0.*p/x.*    else\[^\n\].*p/x.*    end\[^\n\].*  end\[^\n\].*" \
 378            "display user command"
 379
 380     # Create and test a user-defined command with an empty body.
 381     gdb_test_multiple "define myemptycommand" "define myemptycommand" {
 382         -re "End with"  {
 383             pass "define myemptycommand"
 384         }
 385     }
 386     gdb_test "end" \
 387         "" \
 388         "end definition of user-defined command with empty body"
 389
 390     gdb_test_no_output "myemptycommand" \
 391         "execute user-defined empty command"
 392
 393     gdb_test "show user" \
 394         "User command \"myemptycommand.*" \
 395         "display empty command in command list"
 396
 397     gdb_test "show user myemptycommand" \
 398         "User command \"myemptycommand.*" \
 399         "display user-defined empty command"
 400 }
 401
 402 # Test that the case with which the command was defined is preserved.
 403
 404 proc_with_prefix user_defined_command_case_sensitivity {} {
 405     # Define a first command with mixed case name.
 406     set test "define Homer-Simpson"
 407     gdb_test_multiple $test $test {
 408             -re "End with"  {
 409                 pass $test
 410             }
 411         }
 412
 413     gdb_test "print 123\nend" "" "enter commands 1"
 414
 415     # Define a second command, same name but different case.
 416     set test "define HomeR-SimpsoN"
 417     gdb_test_multiple $test $test {
 418             -re "End with"  {
 419                 pass $test
 420             }
 421         }
 422
 423     gdb_test "print 456\nend" "" "enter commands 2"
 424
 425     gdb_test "Homer-Simpson" " = 123" "execute command Homer-Simpson"
 426     gdb_test "HomeR-SimpsoN" " = 456" "execute command HomeR-SimpsoN"
 427     gdb_test "HOMER-SIMPSON" "Undefined command.*" "try to call in upper case"
 428     gdb_test "homer-simpson" "Undefined command.*" "try to call in lower case"
 429 }
 430
 431 # Test that "eval" in a user-defined command expands $argc/$argN.
 432
 433 proc_with_prefix user_defined_command_args_eval {} {
 434     gdb_test_multiple "define command_args_eval" \
 435         "define command_args_eval" {
 436             -re "End with"  {
 437                 pass "define"
 438             }
 439         }
 440
 441     # Make a command that constructs references to $argc and $argN via
 442     # eval.
 443     gdb_test \
 444         [multi_line \
 445              {eval "printf \"argc = %%d,\", $arg%c", 'c'} \
 446              {set $i = 0} \
 447              {while $i < $argc} \
 448              {  eval "printf \" %%d\", $arg%d", $i} \
 449              {  set $i = $i + 1} \
 450              {end} \
 451              {printf "\n"} \
 452              {end}] \
 453         "" \
 454         "enter commands"
 455
 456     gdb_test "command_args_eval 1 2 3" "argc = 3, 1 2 3" "execute command"
 457 }
 458
 459 # Test that the $argc/$argN variables are pushed on/popped from the
 460 # args stack correctly when a user-defined command calls another
 461 # user-defined command (or in this case, recurses).
 462
 463 proc_with_prefix user_defined_command_args_stack_test {} {
 464     gdb_test_multiple "define args_stack_command" \
 465         "define args_stack_command" {
 466             -re "End with"  {
 467                 pass "define"
 468             }
 469         }
 470
 471     # Make a command that refers to $argc/$argN before and after
 472     # recursing.  Also, vary the number of arguments passed to each
 473     # recursion point.
 474     gdb_test \
 475         [multi_line \
 476              {printf "before, argc = %d,", $argc} \
 477              {set $i = 0} \
 478              {while $i < $argc} \
 479              {  eval "printf \" %%d\", $arg%d", $i} \
 480              {  set $i = $i + 1} \
 481              {end} \
 482              {printf "\n"} \
 483              {} \
 484              {} \
 485              {if $argc == 3} \
 486              {  args_stack_command 21 22} \
 487              {end} \
 488              {if $argc == 2} \
 489              {  args_stack_command 11} \
 490              {end} \
 491              {} \
 492              {} \
 493              {printf "after, argc = %d,", $argc} \
 494              {set $i = 0} \
 495              {while $i < $argc} \
 496              {  eval "printf \" %%d\", $arg%d", $i} \
 497              {  set $i = $i + 1} \
 498              {end} \
 499              {printf "\n"} \
 500              {end}] \
 501         "" \
 502         "enter commands"
 503
 504     set expected \
 505         [multi_line \
 506              "before, argc = 3, 31 32 33" \
 507              "before, argc = 2, 21 22" \
 508              "before, argc = 1, 11" \
 509              "after, argc = 1, 11" \
 510              "after, argc = 2, 21 22" \
 511              "after, argc = 3, 31 32 33"]
 512     gdb_test "args_stack_command 31 32 33" $expected "execute command"
 513 }
 514
 515 # Test a simple user defined command with many arguments.  GDB <= 7.12
 516 # used to have a hard coded limit of 10 arguments.
 517
 518 proc_with_prefix user_defined_command_manyargs_test {} {
 519     set test "define command"
 520     gdb_test_multiple "define manyargs" $test {
 521         -re "End with"  {
 522             pass $test
 523         }
 524     }
 525
 526     # Define a function that doubles its arguments.
 527     gdb_test \
 528         [multi_line \
 529              {printf "nargs=%d:", $argc} \
 530              {set $i = 0} \
 531              {while $i < $argc} \
 532              {  eval "printf \" %%d\", 2 * $arg%d\n", $i} \
 533              {  set $i = $i + 1} \
 534              {end} \
 535              {printf "\n"} \
 536              {end}] \
 537         "" \
 538         "enter commands"
 539
 540     # Some random number of arguments, as long as higher than 10.
 541     set nargs 100
 542
 543     set cmd "manyargs"
 544     for {set i 1} {$i <= $nargs} {incr i} {
 545         append cmd " $i"
 546     }
 547
 548     set expected "nargs=$nargs:"
 549     for {set i 1} {$i <= $nargs} {incr i} {
 550         append expected " " [expr 2 * $i]
 551     }
 552
 553     gdb_test $cmd $expected "execute command"
 554 }
 555
 556 proc_with_prefix watchpoint_command_test {} {
 557     global gdb_prompt
 558     global allow_hw_watchpoint_tests_p
 559
 560     # Disable hardware watchpoints if necessary.
 561     if {!$allow_hw_watchpoint_tests_p} {
 562         gdb_test_no_output "set can-use-hw-watchpoints 0" ""
 563     }
 564
 565     runto_or_return factorial
 566
 567     delete_breakpoints
 568
 569     # Verify that we can create a watchpoint, and give it a commands
 570     # list that continues the inferior.  We set the watchpoint on a
 571     # local variable, too, so that it self-deletes when the watched
 572     # data goes out of scope.
 573     #
 574     # What should happen is: Each time the watchpoint triggers, it
 575     # continues the inferior.  Eventually, the watchpoint will self-
 576     # delete, when the watched variable is out of scope.  But by that
 577     # time, the inferior should have exited.  GDB shouldn't crash or
 578     # anything untoward as a result of this.
 579     #
 580     set wp_id -1
 581
 582     gdb_test_multiple "watch local_var" "watch local_var" {
 583         -re "\[Ww\]atchpoint (\[0-9\]*): local_var.*$gdb_prompt $" {
 584             set wp_id $expect_out(1,string)
 585             pass "watch local_var"
 586         }
 587     }
 588
 589     if {$wp_id == -1} {return}
 590
 591     gdb_test_multiple "commands $wp_id" "begin commands on watch" {
 592         -re "Type commands for breakpoint.*, one per line.*>$" {
 593             pass "begin commands on watch"
 594         }
 595     }
 596     # See the 'No symbol "value...' fail below.  This command will
 597     # fail if it's executed in the wrong frame.  If adjusting the
 598     # test, make sure this property holds.
 599     gdb_test_multiple "print value" "add print command to watch" {
 600         -re ">$" {
 601             pass "add print command to watch"
 602         }
 603     }
 604     gdb_test_multiple "continue" "add continue command to watch" {
 605         -re ">$" {
 606             pass "add continue command to watch"
 607         }
 608     }
 609     gdb_test "end" \
 610         "" \
 611         "end commands on watch"
 612
 613     set test "continue with watch"
 614     set lno_1 [gdb_get_line_number "commands.exp: hw local_var out of scope" "run.c"]
 615     set lno_2 [gdb_get_line_number "commands.exp: local_var out of scope"    "run.c"]
 616     gdb_test_multiple "continue" "$test" {
 617         -re "No symbol \"value\" in current context.\r\n$gdb_prompt $" {
 618             # Happens if GDB actually runs the watchpoints commands,
 619             # even though the watchpoint was deleted for not being in
 620             # scope.
 621             fail $test
 622         }
 623         -re "Continuing.*\[Ww\]atchpoint $wp_id deleted because the program has left the block in.*which its expression is valid.*run.c:($lno_1|$lno_2).*$gdb_prompt $" {
 624             pass $test
 625         }
 626    }
 627 }
 628
 629 proc_with_prefix test_command_prompt_position {} {
 630     global gdb_prompt
 631     global valnum_re
 632
 633     runto_or_return factorial
 634
 635     # Don't depend upon argument passing, since most simulators don't
 636     # currently support it.  Bash value variable to be what we want.
 637     delete_breakpoints
 638     gdb_test "break factorial" "Breakpoint.*at.*"
 639     gdb_test "p value=5" ".*" "set value to 5"
 640     # All this test should do is print 0xdeadbeef once.
 641     gdb_test \
 642         [multi_line_input \
 643              {if value == 1} \
 644              {  p/x 0xfeedface} \
 645              {else} \
 646              {  p/x 0xdeadbeef} \
 647              {end}] \
 648         "$valnum_re = 0xdeadbeef" \
 649         "if test"
 650
 651     # Now let's test for the correct position of the '>' in gdb's
 652     # prompt for commands.  It should be at the beginning of the line,
 653     # and not after one space.
 654
 655     set test "> OK"
 656     gdb_test_multiple "commands" $test {
 657         -re "Type commands.*End with.*\[\r\n\]>$" {
 658             gdb_test_multiple "printf \"Now the value is %d\\n\", value" $test {
 659                 -re "^printf.*value\r\n>$" {
 660                     gdb_test_multiple "end" $test {
 661                         -re "^end\r\n$gdb_prompt $" {
 662                             pass $test
 663                         }
 664                     }
 665                 }
 666             }
 667         }
 668     }
 669 }
 670
 671
 672
 673 proc_with_prefix deprecated_command_test {} {
 674     gdb_test "maintenance deprecate blah" "Can't find command.*" \
 675           "tried to deprecate non-existing command"
 676
 677     gdb_test_no_output "maintenance deprecate p \"new_p\"" "maintenance deprecate p \"new_p\" /1/"
 678     gdb_test "p 5" \
 679             "Warning: 'p', an alias for the command 'print', is deprecated.*Use 'new_p'.*" \
 680             "p deprecated warning, with replacement"
 681     gdb_test "p 5" ".\[0-9\]* = 5.*" "deprecated warning goes away /1/"
 682
 683     gdb_test_no_output "maintenance deprecate p \"new_p\"" "maintenance deprecate p \"new_p\" /2/"
 684     gdb_test_no_output "maintenance deprecate print \"new_print\""
 685     gdb_test "p 5" \
 686             "Warning: command 'print' \\(p\\) is deprecated.*Use 'new_print'.*" \
 687             "both alias and command are deprecated"
 688     gdb_test "p 5" ".\[0-9\]* = 5.*" "deprecated warning goes away /2/"
 689
 690     gdb_test_no_output "maintenance deprecate set remote memory-read-packet-size \"srm\" " \
 691             "deprecate long command /1/"
 692     gdb_test "set remote memory-read-packet-size" \
 693             "Warning: command 'set remote memory-read-packet-size' is deprecated.*Use 'srm'.*" \
 694             "long command deprecated /1/"
 695
 696     gdb_test_no_output "maintenance deprecate set remote memory-read-packet-size" \
 697             "deprecate long command /2/"
 698     gdb_test "set remote memory-read-packet-size" \
 699             "Warning: command 'set remote memory-read-packet-size' is deprecated.*No alternative known.*" \
 700             "long command deprecated with no alternative /2/"
 701
 702     gdb_test "maintenance deprecate" \
 703             "\"maintenance deprecate\".*" \
 704             "deprecate with no arguments"
 705
 706     # Test that an alias with a prefix still gives a warning.
 707     set file1 [standard_output_file xxx_yyy_cmd]
 708     set fd [open "$file1" w]
 709     puts $fd \
 710 "define set xxx_yyy
 711 echo in command xxx_yyy\\n
 712 end
 713
 714 alias set qqq_aaa=set xxx_yyy
 715 maintenance deprecate set qqq_aaa"
 716     close $fd
 717     gdb_test_no_output "source $file1" \
 718         "source file containing xxx_yyy command and its alias"
 719     gdb_test "set qqq_aaa" \
 720         "Warning: 'set qqq_aaa', an alias for the command 'set xxx_yyy', is deprecated\\.\r\n.*No alternative known\\..*" \
 721         "deprecated alias with prefix give a warning"
 722 }
 723
 724 # Test that the help for a command does not show deprecated aliases.
 725
 726 proc_with_prefix deprecated_command_alias_help_test {} {
 727     gdb_test_multiline "define real_command" \
 728         "define real_command" "End with a line saying just \"end\"\\." \
 729         "print 1" "" \
 730         "end" ""
 731
 732     gdb_test_no_output "alias alias_command = real_command"
 733     gdb_test_no_output "alias alias_with_args_command = real_command 123"
 734
 735     gdb_test "help real_command" \
 736         "real_command, alias_with_args_command, alias_command\r\n  alias alias_with_args_command = real_command 123\r\nUser-defined." \
 737         "help real_command, before"
 738     gdb_test_no_output "maintenance deprecate alias_command"
 739     gdb_test_no_output "maintenance deprecate alias_with_args_command"
 740     gdb_test "help real_command" \
 741         "User-defined." \
 742         "help real_command, after"
 743 }
 744
 745 proc_with_prefix bp_deleted_in_command_test {} {
 746     global gdb_prompt
 747
 748     delete_breakpoints
 749
 750     # Create a breakpoint, and associate a command-list to it, with
 751     # one command that deletes this breakpoint.
 752     gdb_test "break factorial" \
 753              "Breakpoint \[0-9\]+ at .*: file .*run.c, line \[0-9\]+\."
 754
 755     gdb_test_multiple "commands" "begin commands" {
 756       -re "Type commands for breakpoint.*>$" {
 757           pass "begin commands"
 758       }
 759     }
 760     gdb_test_multiple "silent" "add silent command" {
 761         -re ">$" {
 762             pass "add silent command"
 763         }
 764     }
 765     gdb_test_multiple "clear factorial" "add clear command" {
 766         -re ">$" {
 767             pass "add clear command"
 768         }
 769     }
 770     gdb_test_multiple "printf \"factorial command-list executed\\n\"" \
 771         "add printf command" {
 772         -re ">$" {
 773             pass "add printf command"
 774         }
 775     }
 776     gdb_test_multiple "cont" "add cont command" {
 777         -re ">$" {
 778             pass "add cont command"
 779         }
 780     }
 781     gdb_test "end" \
 782         "" \
 783         "end commands"
 784
 785     gdb_run_cmd
 786     gdb_test "" "factorial command-list executed.*" "run factorial until breakpoint"
 787 }
 788
 789 proc_with_prefix temporary_breakpoint_commands {} {
 790     delete_breakpoints
 791
 792     # Create a temporary breakpoint, and associate a commands list to it.
 793     # This test will verify that this commands list is executed when the
 794     # breakpoint is hit.
 795     gdb_test "tbreak factorial" \
 796             "Temporary breakpoint \[0-9\]+ at .*: file .*run.c, line \[0-9\]+\." \
 797             "breakpoint"
 798
 799     gdb_test_multiple "commands" \
 800         "begin commands in bp_deleted_in_command_test" {
 801             -re "Type commands for breakpoint.*>$" {
 802                 pass "begin commands"
 803             }
 804         }
 805     gdb_test_multiple "silent" "add silent tbreak command" {
 806         -re ">$" {
 807             pass "add silent tbreak command"
 808         }
 809     }
 810     gdb_test_multiple "printf \"factorial tbreak commands executed\\n\"" \
 811         "add printf tbreak command" {
 812             -re ">$" {
 813                 pass "add printf tbreak command"
 814             }
 815         }
 816     gdb_test_multiple "cont" "add cont tbreak command" {
 817         -re ">$" {
 818             pass "add cont tbreak command"
 819         }
 820     }
 821     gdb_test "end" \
 822         "" \
 823         "end tbreak commands"
 824
 825     gdb_run_cmd
 826     gdb_test "" "factorial tbreak commands executed.*" \
 827         "run factorial until temporary breakpoint"
 828 }
 829
 830 # Test that GDB can handle $arg0 outside of user functions without
 831 # crashing.
 832 proc_with_prefix stray_arg0_test { } {
 833     global valnum_re
 834
 835     gdb_test "print \$arg0" \
 836         "$valnum_re = void" \
 837         "#1"
 838
 839     gdb_test "if 1 == 1\nprint \$arg0\nend" \
 840         "$valnum_re = void" \
 841         "#2"
 842
 843     gdb_test "print \$arg0 = 1" \
 844         "$valnum_re = 1" \
 845         "#3"
 846
 847     gdb_test "print \$arg0" \
 848         "$valnum_re = 1" \
 849         "#4"
 850 }
 851
 852 # Test that GDB is able to source a file with an indented comment.
 853 proc_with_prefix source_file_with_indented_comment {} {
 854     set file1 [standard_output_file source_file_with_indented_comment]
 855
 856     set fd [open "$file1" w]
 857     puts $fd \
 858 {define my_fun
 859     #indented comment
 860 end
 861 echo Done!\n}
 862     close $fd
 863
 864     gdb_test "source $file1" "Done!" "source file"
 865 }
 866
 867 # Test that GDB can handle arguments when sourcing files recursively.
 868 # If the arguments are overwritten with ####### then the test has failed.
 869 proc_with_prefix recursive_source_test {} {
 870     set file1 [standard_output_file recursive_source_1]
 871     set file2 [standard_output_file recursive_source_2]
 872     set file3 [standard_output_file recursive_source_3]
 873
 874     set fd [open "$file1" w]
 875     puts $fd \
 876 "source $file2
 877 abcdef qwerty"
 878     close $fd
 879
 880     set fd [open "$file2" w]
 881     puts $fd \
 882 "define abcdef
 883   echo 1: <<<\$arg0>>>\\n
 884   source $file3
 885   echo 2: <<<\$arg0>>>\\n
 886 end"
 887     close $fd
 888
 889     set fd [open "$file3" w]
 890     puts $fd \
 891 "echo in file3\\n
 892 #################################################################"
 893     close $fd
 894
 895     gdb_test "source $file1" \
 896         "1: <<<qwerty>>>\[\r\n]+in file3\[\r\n]+2: <<<qwerty>>>" \
 897         "source file"
 898 }
 899
 900 proc gdb_test_no_prompt { command result msg } {
 901     set msg "$command - $msg"
 902     set result "^[string_to_regexp $command]\r\n$result$"
 903     gdb_test_multiple $command $msg {
 904         -re "$result" {
 905             pass $msg
 906             return 1
 907         }
 908         -re "\r\n *>$" {
 909             fail $msg
 910             return 0
 911         }
 912     }
 913     return 0
 914 }
 915
 916 proc_with_prefix if_commands_test {} {
 917     global gdb_prompt
 918
 919     gdb_test_no_output "set \$tem = 1" "set \$tem"
 920
 921     set test "if_commands_test 1"
 922     gdb_test_no_prompt "if \$tem == 2" { >} $test
 923     gdb_test_no_prompt "break -q main" { >} $test
 924     gdb_test_no_prompt "else" { >} $test
 925     gdb_test_no_prompt "break factorial" { >} $test
 926     gdb_test_no_prompt "commands" {  >} $test
 927     gdb_test_no_prompt "silent" {  >} $test
 928     gdb_test_no_prompt "set \$tem = 3" {  >} $test
 929     gdb_test_no_prompt "continue" {  >} $test
 930     gdb_test_multiple "end" "first end - $test" {
 931         -re " >\$" {
 932             pass "first end - $test"
 933         }
 934         -re "\r\n>\$" {
 935             fail "first end - $test"
 936         }
 937     }
 938     gdb_test_multiple "end" "second end - $test" {
 939         -re "Breakpoint \[0-9\]+ at .*: file .*run.c, line \[0-9\]+\.\r\n$gdb_prompt $" {
 940             pass "second end - $test"
 941         }
 942         -re "Undefined command: \"silent\".*$gdb_prompt $" {
 943             fail "second end - $test"
 944         }
 945     }
 946
 947     set test "if_commands_test 2"
 948     gdb_test_no_prompt "if \$tem == 1" { >} $test
 949     gdb_test_no_prompt "break -q main" { >} $test
 950     gdb_test_no_prompt "else" { >} $test
 951     gdb_test_no_prompt "break factorial" { >} $test
 952     gdb_test_no_prompt "commands" {  >} $test
 953     gdb_test_no_prompt "silent" {  >} $test
 954     gdb_test_no_prompt "set \$tem = 3" {  >} $test
 955     gdb_test_no_prompt "continue" {  >} $test
 956     gdb_test_multiple "end" "first end - $test" {
 957         -re " >\$" {
 958             pass "first end - $test"
 959         }
 960         -re "\r\n>\$" {
 961             fail "first end - $test"
 962         }
 963     }
 964     gdb_test_multiple "end" "second end - $test" {
 965         -re "Breakpoint \[0-9\]+ at .*: file .*run.c, line \[0-9\]+\.\r\n$gdb_prompt $" {
 966             pass "second end - $test"
 967         }
 968     }
 969 }
 970
 971 # Verify an error during "commands" commands execution will prevent any other
 972 # "commands" from other breakpoints at the same location to be executed.
 973
 974 proc_with_prefix error_clears_commands_left {} {
 975     set test "hook-stop 1"
 976     gdb_test_multiple {define hook-stop} $test {
 977         -re "End with a line saying just \"end\"\\.\r\n>$" {
 978             pass $test
 979         }
 980     }
 981     set test "hook-stop 1a"
 982     gdb_test_multiple {echo hook-stop1\n} $test {
 983         -re "\r\n>$" {
 984             pass $test
 985         }
 986     }
 987     gdb_test_no_output "end" "hook-stop 1b"
 988
 989     delete_breakpoints
 990     gdb_breakpoint "main"
 991
 992     set test "main commands 1"
 993     gdb_test_multiple {commands $bpnum} $test {
 994         -re "End with a line saying just \"end\"\\.\r\n>$" {
 995             pass $test
 996         }
 997     }
 998     set test "main commands 1a"
 999     gdb_test_multiple {echo cmd1\n} $test {
1000         -re "\r\n>$" {
1001             pass $test
1002         }
1003     }
1004     set test "main commands 1b"
1005     gdb_test_multiple {errorcommandxy\n} $test {
1006         -re "\r\n>$" {
1007             pass $test
1008         }
1009     }
1010     gdb_test_no_output "end" "main commands 1c"
1011
1012     gdb_breakpoint "main"
1013     set test "main commands 2"
1014     gdb_test_multiple {commands $bpnum} $test {
1015         -re "End with a line saying just \"end\"\\.\r\n>$" {
1016             pass $test
1017         }
1018     }
1019     set test "main commands 2a"
1020     gdb_test_multiple {echo cmd2\n} $test {
1021         -re "\r\n>$" {
1022             pass $test
1023         }
1024     }
1025     set test "main commands 2b"
1026     gdb_test_multiple {errorcommandyz\n} $test {
1027         -re "\r\n>$" {
1028             pass $test
1029         }
1030     }
1031     gdb_test_no_output "end" "main commands 2c"
1032
1033     gdb_run_cmd
1034     gdb_test \
1035         "" \
1036         [multi_line \
1037              "hook-stop1" \
1038              ".*" \
1039              "cmd1" \
1040              "Undefined command: \"errorcommandxy\"\\.  Try \"help\"\\."] \
1041         "cmd1 error"
1042
1043     gdb_test {echo idle\n} "\r\nidle" "no cmd2"
1044 }
1045
1046 proc_with_prefix redefine_hook_test {} {
1047     gdb_test \
1048         [multi_line_input \
1049              "define one"\
1050              "end"] \
1051         "" \
1052         "define one"
1053
1054     gdb_test \
1055         [multi_line_input \
1056              "define hook-one" \
1057              "echo hibob\\n" \
1058              "end"] \
1059         "" \
1060         "define hook-one"
1061
1062     set test "redefine one"
1063     gdb_test_multiple "define one" $test {
1064         -re "Redefine command .one.. .y or n. $" {
1065             send_gdb "y\n"
1066             exp_continue
1067         }
1068
1069         -re "End with"  {
1070             pass $test
1071         }
1072     }
1073
1074     gdb_test "end" "" "enter commands for one redefinition"
1075
1076     gdb_test "one" "hibob" "execute one command"
1077 }
1078
1079 proc_with_prefix redefine_backtrace_test {} {
1080     gdb_test_multiple "define backtrace" "define backtrace" {
1081         -re "Really redefine built-in command \"backtrace\"\\? \\(y or n\\) $"  {
1082             pass "define backtrace"
1083         }
1084     }
1085
1086     gdb_test_multiple "y" "expect response to define backtrace" {
1087         -re "End with a line saying just \"end\"\\.\r\n>$"  {
1088             pass "expect response to define backtrace"
1089         }
1090     }
1091
1092     gdb_test \
1093         [multi_line_input \
1094              "echo hibob\\n" \
1095              "end"] \
1096         "" \
1097         "enter commands"
1098
1099     gdb_test "backtrace" "hibob" "execute backtrace command"
1100     gdb_test "bt" "hibob" "execute bt command"
1101 }
1102
1103 # Test using "if" and "while" without args when building a command list.
1104
1105 proc define_if_without_arg_test {} {
1106     foreach cmd {if while define} {
1107         set test "define some_command_$cmd"
1108         gdb_test_multiple $test $test {
1109             -re "End with"  {
1110                 pass $test
1111             }
1112         }
1113
1114         gdb_test "$cmd" "$cmd command requires an argument." "type $cmd without args"
1115     }
1116 }
1117
1118 # Test the loop_break command.
1119
1120 proc_with_prefix loop_break_test {} {
1121     gdb_test_no_output "set \$a = 0" "initialize \$a"
1122     gdb_test_no_output "set \$total = 0" "initialize \$total"
1123
1124     gdb_test \
1125         [multi_line_input \
1126              "while \$a < 5" \
1127              "  if \$a == 4" \
1128              "    loop_break" \
1129              "  end" \
1130              "  set \$b = 0" \
1131              "  while \$b < 5" \
1132              "    if \$b == 2" \
1133              "      loop_break" \
1134              "    end" \
1135              "    set \$total = \$total + 1" \
1136              "    set \$b = \$b + 1" \
1137              "  end" \
1138              "  set \$a = \$a + 1" \
1139              "end"] \
1140         "" \
1141         "run while loop"
1142
1143     gdb_test "print \$a" " = 4" "validate \$a"
1144     gdb_test "print \$b" " = 2" "validate \$b"
1145     gdb_test "print \$total" " = 8" "validate \$total"
1146 }
1147
1148 # Test the loop_continue command.
1149
1150 proc_with_prefix loop_continue_test {} {
1151     gdb_test_no_output "set \$a = 0" "initialize \$a"
1152     gdb_test_no_output "set \$total = 0" "initialize \$total"
1153
1154     gdb_test \
1155         [multi_line_input \
1156              "while \$a < 5" \
1157              "  set \$a = \$a + 1" \
1158              "  set \$b = 0" \
1159              "  if \$a == 4" \
1160              "    loop_continue" \
1161              "  end" \
1162              "  while \$b < 5" \
1163              "    set \$b = \$b + 1" \
1164              "    if \$b == 2" \
1165              "      loop_continue" \
1166              "    end" \
1167              "    set \$total = \$total + 1" \
1168              "  end" \
1169              "end"] \
1170         "" \
1171         "run while loop"
1172
1173     gdb_test "print \$a" " = 5" "validate \$a"
1174     gdb_test "print \$b" " = 5" "validate \$b"
1175     gdb_test "print \$total" " = 16" "validate \$total"
1176 }
1177
1178 # Test an input line split with a continuation character (backslash)
1179 # while entering a multi-line command (in a secondary prompt).
1180
1181 proc_with_prefix backslash_in_multi_line_command_test {} {
1182     set dg_ver [dejagnu_version]
1183     set dg_major [lindex $dg_ver 0]
1184     set dg_minor [lindex $dg_ver 1]
1185
1186     # With older versions of DejaGnu, the "\\\n" we send gets replaced with a
1187     # space, thus breaking the test.  Just skip it in that case.
1188     if { $dg_major == 1 && $dg_minor < 5 } {
1189         untested "dejagnu version is too old"
1190         return
1191     }
1192
1193     gdb_breakpoint "main"
1194
1195     gdb_test_multiple "commands" "commands" {
1196         -re "End with a line saying just \"end\"\\.\r\n>$" {
1197             pass "commands"
1198         }
1199     }
1200
1201     set test "input line split with backslash"
1202     send_gdb "print \\\nargc\n"
1203     gdb_test_multiple "" $test {
1204         -re "^print \\\\\r\nargc\r\n>$" {
1205             pass $test
1206         }
1207     }
1208
1209     gdb_test_no_output "end"
1210
1211     # Input any command, just to be sure the readline state is sane.
1212     # In PR 21218, this would trigger the infamous:
1213     # readline: readline_callback_read_char() called with no handler!
1214     gdb_test "print 1" "" "run command"
1215 }
1216
1217 gdbvar_simple_if_test
1218 gdbvar_simple_while_test
1219 gdbvar_complex_if_while_test
1220 progvar_simple_if_test
1221 progvar_simple_while_test
1222 progvar_complex_if_while_test
1223 if_while_breakpoint_command_test
1224 infrun_breakpoint_command_test
1225 breakpoint_command_test
1226 breakpoint_clear_command_test
1227 user_defined_command_test
1228 user_defined_command_case_sensitivity
1229 user_defined_command_args_eval
1230 user_defined_command_args_stack_test
1231 user_defined_command_manyargs_test
1232 watchpoint_command_test
1233 test_command_prompt_position
1234 deprecated_command_test
1235 deprecated_command_alias_help_test
1236 bp_deleted_in_command_test
1237 temporary_breakpoint_commands
1238 stray_arg0_test
1239 source_file_with_indented_comment
1240 recursive_source_test
1241 if_commands_test
1242 error_clears_commands_left
1243 redefine_hook_test
1244 backslash_in_multi_line_command_test
1245 define_if_without_arg_test
1246 loop_break_test
1247 loop_continue_test
1248 # This one should come last, as it redefines "backtrace".
1249 redefine_backtrace_test