gdb/testsuite/gdb.trace/collection.exp

   1 # Copyright 1998-2024 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 load_lib "trace-support.exp"
  17
  18
  19 standard_testfile
  20 set executable $testfile
  21
  22 if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug nowarnings nopie}]} {
  23     return -1
  24 }
  25
  26 # Tests:
  27 # 1) $args
  28 # 2) function args by name
  29 # 3) $locs
  30 # 4) function locals by name
  31 # 5) $regs
  32 # 6) registers by name ($sp, $fp?)
  33 # 7) globals by name
  34 # 8) expressions (lots of different kinds: local and global)
  35
  36 set ws "\[\r\n\t \]+"
  37
  38 #
  39 # Utility procs
  40 #
  41
  42 proc test_register { reg test_id } {
  43     global gdb_prompt
  44
  45     gdb_test_multiple "print /x $reg" "" {
  46         -re "\\$\[0-9\]+ = \[x0\]+\r\n$gdb_prompt $" {
  47             fail "collect $test_id: collected $reg (zero)"
  48         }
  49         -re "\\$\[0-9\]+ = \[x0-9a-fA-F\]+\r\n$gdb_prompt $" {
  50             pass "collect $test_id: collected $reg"
  51         }
  52         -re "\[Ee\]rror.*$gdb_prompt $" {
  53             fail "collect $test_id: collected $reg (error)"
  54         }
  55     }
  56 }
  57
  58 proc prepare_for_trace_test {} {
  59     global executable
  60
  61     clean_restart $executable
  62
  63     runto_main
  64
  65     gdb_breakpoint "begin" qualified
  66     gdb_breakpoint "end" qualified
  67 }
  68
  69 proc run_trace_experiment { test_func } {
  70     global gdb_prompt
  71
  72     with_test_prefix "run trace experiment" {
  73         gdb_test "continue" \
  74             ".*Breakpoint \[0-9\]+, begin .*" \
  75             "advance to begin"
  76
  77         gdb_test_no_output "tstart" "start trace experiment"
  78
  79         gdb_test "continue" \
  80             "Continuing.*Breakpoint \[0-9\]+, end.*" \
  81             "run trace experiment"
  82         gdb_test_no_output "tstop" \
  83             "stop trace experiment"
  84         gdb_test "tfind start" \
  85             "#0  $test_func .*" \
  86             "tfind test frame"
  87     }
  88 }
  89
  90
  91 #
  92 # Test procs
  93 #
  94
  95 proc gdb_collect_args_test { myargs msg } {
  96     global gdb_prompt
  97
  98     with_test_prefix "collect $msg" {
  99         prepare_for_trace_test
 100
 101         gdb_test "trace args_test_func" \
 102             "Tracepoint \[0-9\]+ at .*" \
 103             "set tracepoint"
 104         gdb_trace_setactions "define actions" \
 105             "" \
 106             "collect $myargs" "^$"
 107
 108         # Begin the test.
 109         run_trace_experiment args_test_func
 110
 111         # Frame arguments and their entry values are displayed correctly with
 112         # various values of "print entry-values" when a trace frame is
 113         # selected.
 114
 115         with_test_prefix "entry-values only" {
 116             gdb_test "tfind -1" ".*"
 117             gdb_test_no_output "set print entry-values only"
 118             gdb_test "tfind 0" \
 119                 " \\(argc@entry=\[^,\]*, argi@entry=\[^,\]*, argf@entry=\[^,\]*, argd@entry=\[^,\]*, argstruct@entry=\[^,\]*, argarray@entry=\[^,\]*\\) .*" \
 120                 "tfind 0 with entry-values only"
 121         }
 122
 123         with_test_prefix "entry-values both" {
 124             gdb_test "tfind -1" ".*" ""
 125             gdb_test_no_output "set print entry-values both" ""
 126             gdb_test "tfind 0" \
 127                 " \\(argc=\[^,\]*, argc@entry=\[^,\]*, argi=\[^,\]*, argi@entry=\[^,\]*, argf=\[^,\]*, argf@entry=\[^,\]*, argd=\[^,\]*, argd@entry=\[^,\]*, argstruct=\[^,\]*, argstruct@entry=\[^,\]*, argarray=\[^,\]*, argarray@entry=\[^,\]*\\) .*" \
 128                 "tfind 0 with entry-values both"
 129         }
 130
 131         gdb_test "print argc" \
 132             "\\$\[0-9\]+ = 1 '.001'" \
 133             "collected arg char"
 134         gdb_test "print argi" \
 135             "\\$\[0-9\]+ = 2" \
 136             "collected arg int"
 137         gdb_test "print argf" \
 138             "\\$\[0-9\]+ = 3.\[23\]\[0-9\]*" \
 139             "collected arg float"
 140         gdb_test "print argd" \
 141             "\\$\[0-9\]+ = 4.\[34\]\[0-9\]*" \
 142             "collected arg double"
 143
 144         # struct arg as one of several args (near end of list)
 145         gdb_test "print argstruct.memberc" \
 146             "\\$\[0-9\]+ = 101 'e'" \
 147             "collected arg struct member char"
 148         gdb_test "print argstruct.memberi" \
 149             "\\$\[0-9\]+ = 102" \
 150             "collected arg struct member int"
 151         gdb_test "print argstruct.memberf" \
 152             "\\$\[0-9\]+ = 103.\[23\]\[0-9\]*" \
 153             "collected arg struct member float"
 154         gdb_test "print argstruct.memberd" \
 155             "\\$\[0-9\]+ = 104.\[34\]\[0-9\]*" \
 156             "collected arg struct member double"
 157
 158         # array arg as one of several args (near end of list)
 159
 160         # It isn't clear why is the test assuming the array's elements are
 161         # collected.  In C, an array as function parameters is a special
 162         # case; it's just a pointer into the caller's array, and as such,
 163         # that's what normally the debug info describes.  Maybe this was
 164         # originally written for a compiler where array parameters were
 165         # really described as arrays in debug info.
 166
 167         setup_xfail "*-*-*"
 168         gdb_test "print argarray\[0\]" \
 169             "\\$\[0-9\]+ = 111" \
 170             "collected argarray #0"
 171
 172         setup_xfail "*-*-*"
 173         gdb_test "print argarray\[1\]" \
 174             "\\$\[0-9\]+ = 112" \
 175             "collected argarray #1"
 176
 177         setup_xfail "*-*-*"
 178         gdb_test "print argarray\[2\]" \
 179             "\\$\[0-9\]+ = 113" \
 180             "collected argarray #2"
 181
 182         setup_xfail "*-*-*"
 183         gdb_test "print argarray\[3\]" \
 184             "\\$\[0-9\]+ = 114" \
 185             "collected argarray #3"
 186
 187         gdb_test "tfind none" \
 188             "#0  end .*" \
 189             "cease trace debugging"
 190     }
 191 }
 192
 193 proc gdb_collect_argstruct_test { myargs msg } {
 194     global gdb_prompt
 195
 196     with_test_prefix "collect $msg" {
 197         prepare_for_trace_test
 198
 199         gdb_test "trace argstruct_test_func" \
 200             "Tracepoint \[0-9\]+ at .*" \
 201             "set tracepoint"
 202         gdb_trace_setactions "define actions" \
 203             "" \
 204             "collect $myargs" "^$"
 205
 206         # Begin the test.
 207         run_trace_experiment argstruct_test_func
 208
 209         # struct argument as only argument
 210         gdb_test "print argstruct.memberc" \
 211             "\\$\[0-9\]+ = 101 'e'" \
 212             "collected arg struct member char"
 213         gdb_test "print argstruct.memberi" \
 214             "\\$\[0-9\]+ = 102" \
 215             "collected arg struct member int"
 216         gdb_test "print argstruct.memberf" \
 217             "\\$\[0-9\]+ = 103.\[23\]\[0-9\]*" \
 218             "collected arg struct member float"
 219         gdb_test "print argstruct.memberd" \
 220             "\\$\[0-9\]+ = 104.\[34\]\[0-9\]*" \
 221             "collected arg struct member double"
 222
 223         gdb_test "tfind none" \
 224             "#0  end .*" \
 225             "cease trace debugging"
 226     }
 227 }
 228
 229
 230 proc gdb_collect_argarray_test { myargs msg } {
 231     global gdb_prompt
 232
 233     with_test_prefix "collect $msg" {
 234
 235         prepare_for_trace_test
 236
 237         gdb_test "trace argarray_test_func" \
 238             "Tracepoint \[0-9\]+ at .*" \
 239             "set tracepoint"
 240         gdb_trace_setactions "define actions" \
 241             "" \
 242             "collect $myargs" "^$"
 243
 244         # Begin the test.
 245         run_trace_experiment argarray_test_func
 246
 247         # array arg as only argument
 248
 249         # It isn't clear why is the test assuming the array's elements
 250         # are collected.  In C, an array as function parameters is a
 251         # special case; it's just a pointer into the caller's array,
 252         # and as such, that's what normally the debug info describes.
 253         # Maybe this was originally written for a compiler where array
 254         # parameters were really described as arrays in debug info.
 255
 256         setup_xfail "*-*-*"
 257         gdb_test "print argarray\[0\]" \
 258             "\\$\[0-9\]+ = 111" \
 259             "collected argarray #0"
 260
 261         setup_xfail "*-*-*"
 262         gdb_test "print argarray\[1\]" \
 263             "\\$\[0-9\]+ = 112" \
 264             "collected argarray #1"
 265
 266         setup_xfail "*-*-*"
 267         gdb_test "print argarray\[2\]" \
 268             "\\$\[0-9\]+ = 113" \
 269             "collected argarray #2"
 270
 271         setup_xfail "*-*-*"
 272         gdb_test "print argarray\[3\]" \
 273             "\\$\[0-9\]+ = 114" \
 274             "collected argarray #3"
 275
 276         gdb_test "tfind none" \
 277             "#0  end .*" \
 278             "cease trace debugging"
 279     }
 280 }
 281
 282
 283 proc gdb_collect_locals_test { func mylocs msg } {
 284     global gdb_prompt
 285
 286     with_test_prefix "collect $msg" {
 287         prepare_for_trace_test
 288
 289         # Find the comment-identified line for setting this tracepoint.
 290         set testline 0
 291         gdb_test_multiple "list $func, +30" "find tracepoint line" {
 292             -re "\[\r\n\](\[0-9\]+)\[^\r\n\]+ Set_Tracepoint_Here .*$gdb_prompt" {
 293                 set testline $expect_out(1,string)
 294                 pass $gdb_test_name
 295             }
 296             -re ".*$gdb_prompt " {
 297                 fail "$gdb_test_name (skipping locals test)"
 298                 return
 299             }
 300             timeout {
 301                 fail "$gdb_test_name (skipping locals test)"
 302                 return
 303             }
 304         }
 305
 306         gdb_test "trace $testline" \
 307             "Tracepoint \[0-9\]+ at .*" \
 308             "set tracepoint"
 309         gdb_trace_setactions "define actions" \
 310             "" \
 311             "collect $mylocs" "^$"
 312
 313         # Begin the test.
 314         run_trace_experiment $func
 315
 316         gdb_test "print locc" \
 317             "\\$\[0-9\]+ = 11 '.\[a-z0-7\]+'" \
 318             "collected local char"
 319         gdb_test "print loci" \
 320             "\\$\[0-9\]+ = 12" \
 321             "collected local int"
 322         gdb_test "print locf" \
 323             "\\$\[0-9\]+ = 13.\[23\]\[0-9\]*" \
 324             "collected local float"
 325         gdb_test "print locd" \
 326             "\\$\[0-9\]+ = 14.\[34\]\[0-9\]*" \
 327             "collected local double"
 328
 329         gdb_test "print locst.memberc" \
 330             "\\$\[0-9\]+ = 15 '.017'" \
 331             "collected local member char"
 332         gdb_test "print locst.memberi" \
 333             "\\$\[0-9\]+ = 16" \
 334             "collected local member int"
 335         gdb_test "print locst.memberf" \
 336             "\\$\[0-9\]+ = 17.\[67\]\[0-9\]*" \
 337             "collected local member float"
 338         gdb_test "print locst.memberd" \
 339             "\\$\[0-9\]+ = 18.\[78\]\[0-9\]*" \
 340             "collected local member double"
 341
 342         gdb_test "print locar\[0\]" \
 343             "\\$\[0-9\]+ = 121" \
 344             "collected locarray #0"
 345         gdb_test "print locar\[1\]" \
 346             "\\$\[0-9\]+ = 122" \
 347             "collected locarray #1"
 348         gdb_test "print locar\[2\]" \
 349             "\\$\[0-9\]+ = 123" \
 350             "collected locarray #2"
 351         gdb_test "print locar\[3\]" \
 352             "\\$\[0-9\]+ = 124" \
 353             "collected locarray #3"
 354
 355         gdb_test "tfind none" \
 356             "#0  end .*" \
 357             "cease trace debugging"
 358     }
 359 }
 360
 361 proc gdb_collect_registers_test { myregs } {
 362     global gdb_prompt
 363     global fpreg
 364     global spreg
 365     global pcreg
 366
 367     with_test_prefix "collect $myregs" {
 368         prepare_for_trace_test
 369
 370         # We'll simply re-use the args_test_function for this test
 371         gdb_test "trace args_test_func" \
 372             "Tracepoint \[0-9\]+ at .*" \
 373             "set tracepoint"
 374         gdb_trace_setactions "define actions" \
 375             "" \
 376             "collect $myregs" "^$"
 377
 378         # Begin the test.
 379         run_trace_experiment args_test_func
 380
 381         test_register "\$$fpreg" $myregs
 382         test_register "\$$spreg" $myregs
 383         test_register "\$$pcreg" $myregs
 384
 385         gdb_test "tfind none" \
 386             "#0  end .*" \
 387             "cease trace debugging"
 388     }
 389 }
 390
 391 proc gdb_collect_expression_test { func expr val msg } {
 392     global gdb_prompt
 393
 394     prepare_for_trace_test
 395
 396     with_test_prefix "collect $msg" {
 397         # Find the comment-identified line for setting this tracepoint.
 398         set testline 0
 399         gdb_test_multiple "list $func, +30" "find tracepoint line" {
 400             -re "\[\r\n\](\[0-9\]+)\[^\r\n\]+ Set_Tracepoint_Here .*$gdb_prompt" {
 401                 set testline $expect_out(1,string)
 402                 pass $gdb_test_name
 403             }
 404             -re ".*$gdb_prompt " {
 405                 pass "$gdb_test_name (skipping locals test)"
 406                 return
 407             }
 408             timeout {
 409                 pass "$gdb_test_name (skipping locals test)"
 410                 return
 411             }
 412         }
 413
 414         gdb_test "trace $testline" \
 415             "Tracepoint \[0-9\]+ at .*" \
 416             "set tracepoint"
 417         gdb_trace_setactions "define actions" \
 418             "" \
 419             "collect $expr" "^$"
 420
 421         # Begin the test.
 422         run_trace_experiment $func
 423
 424         gdb_test "print $expr" \
 425             "\\$\[0-9\]+ = $val" \
 426             "got expected value '$val'"
 427
 428         gdb_test "tfind none" \
 429             "#0  end .*" \
 430             "cease trace debugging"
 431     }
 432 }
 433
 434 proc gdb_collect_globals_test { } {
 435     global gdb_prompt
 436
 437     with_test_prefix "collect globals" {
 438         prepare_for_trace_test
 439
 440         # Find the comment-identified line for setting this tracepoint.
 441         set testline 0
 442         gdb_test_multiple "list globals_test_func, +30" "find tracepoint line" {
 443             -re "\[\r\n\](\[0-9\]+)\[^\r\n\]+ Set_Tracepoint_Here .*$gdb_prompt" {
 444                 set testline $expect_out(1,string)
 445                 pass $gdb_test_name
 446             }
 447             -re ".*$gdb_prompt " {
 448                 fail "$gdb_test_name (skipping global test)"
 449                 return
 450             }
 451             timeout {
 452                 fail "$gdb_test_name (skipping global test)"
 453                 return
 454             }
 455         }
 456
 457         # Use use this to test collecting overlapping memory ranges
 458         # (making use of UNOP_MEMVAL, as objects don't usually overlap
 459         # other objects).  Note that globalarr2 should not be collected in
 460         # any other way so that a regression test below can be effective.
 461
 462         set globalarr2_addr ""
 463         set test "get address of globalarr2"
 464         gdb_test_multiple "p /x &globalarr2" $test {
 465             -re " = (0x\[0-9a-f\]+)\r\n$gdb_prompt $" {
 466                 set globalarr2_addr $expect_out(1,string)
 467                 pass $test
 468             }
 469         }
 470
 471         gdb_test "trace $testline" \
 472             "Tracepoint \[0-9\]+ at .*" \
 473             "set tracepoint"
 474         gdb_trace_setactions "define actions" \
 475             "" \
 476             "collect globalc, globali, globalf, globald" "^$" \
 477             "collect globalstruct, globalp, globalarr" "^$" \
 478             "collect \{int \[4\]\}$globalarr2_addr" "^$" \
 479             "collect \{int \[2\]\}$globalarr2_addr" "^$" \
 480             "collect \{int \[4\]\}globalarr3" "^$"
 481
 482         # Begin the test.
 483         run_trace_experiment globals_test_func
 484
 485         gdb_test "print globalc" \
 486             "\\$\[0-9\]+ = 71 'G'" \
 487             "collected global char"
 488         gdb_test "print globali" \
 489             "\\$\[0-9\]+ = 72" \
 490             "collected global int"
 491         gdb_test "print globalf" \
 492             "\\$\[0-9\]+ = 73.\[23\]\[0-9\]*" \
 493             "collected global float"
 494         gdb_test "print globald" \
 495             "\\$\[0-9\]+ = 74.\[34\]\[0-9\]*" \
 496             "collected global double"
 497
 498         gdb_test "print globalstruct.memberc" \
 499             "\\$\[0-9\]+ = 81 'Q'" \
 500             "collected struct char member"
 501         gdb_test "print globalstruct.memberi" \
 502             "\\$\[0-9\]+ = 82" \
 503             "collected struct member int"
 504         gdb_test "print globalstruct.memberf" \
 505             "\\$\[0-9\]+ = 83.\[23\]\[0-9\]*" \
 506             "collected struct member float"
 507         gdb_test "print globalstruct.memberd" \
 508             "\\$\[0-9\]+ = 84.\[34\]\[0-9\]*" \
 509             "collected struct member double"
 510
 511         gdb_test "print globalp == &globalstruct" \
 512             "\\$\[0-9\]+ = 1" \
 513             "collected global pointer"
 514
 515         gdb_test "print globalarr\[1\]" \
 516             "\\$\[0-9\]+ = 1" \
 517             "collected global array element #1"
 518         gdb_test "print globalarr\[2\]" \
 519             "\\$\[0-9\]+ = 2" \
 520             "collected global array element #2"
 521         gdb_test "print globalarr\[3\]" \
 522             "\\$\[0-9\]+ = 3" \
 523             "collected global array element #3"
 524
 525         # Check that we didn't mess up sort&merging memory ranges to
 526         # collect.
 527         gdb_test "print globalarr2" \
 528             "\\$\[0-9\]+ = \\{0, 1, 2, 3\\}" \
 529             "collected global array 2"
 530
 531         # GDB would internal error collecting UNOP_MEMVAL's whose address
 532         # expression wasn't an rvalue (that's regtested in the
 533         # corresponding 'collect' action above).  This just double checks
 534         # we actually did collect what we wanted.
 535         gdb_test "print globalarr3" \
 536             "\\$\[0-9\]+ = \\{3, 2, 1, 0\\}" \
 537             "collect globals: collected global array 3"
 538
 539         gdb_test "tfind none" \
 540             "#0  end .*" \
 541             "cease trace debugging"
 542     }
 543 }
 544
 545 # Test that when we've collected all fields of a structure
 546 # individually, we can print the whole structure in one go.
 547 proc gdb_collect_global_in_pieces_test { } {
 548     global gdb_prompt
 549
 550     with_test_prefix "collect global in pieces" {
 551         prepare_for_trace_test
 552
 553         # Find the comment-identified line for setting this tracepoint.
 554         set testline 0
 555         gdb_test_multiple "list globals_test_func, +30" "find tracepoint line" {
 556             -re "\[\r\n\](\[0-9\]+)\[^\r\n\]+ Set_Tracepoint_Here .*$gdb_prompt" {
 557                 set testline $expect_out(1,string)
 558                 pass $gdb_test_name
 559             }
 560         }
 561
 562         if {$testline == 0} {
 563             return
 564         }
 565
 566         gdb_test "trace $testline" \
 567             "Tracepoint \[0-9\]+ at .*" \
 568             "set tracepoint"
 569         gdb_trace_setactions "define actions" \
 570             "" \
 571             "collect global_pieces.a, global_pieces.b" \
 572             "^$"
 573
 574         # Begin the test.
 575         run_trace_experiment globals_test_func
 576
 577         gdb_test "print /x global_pieces.a" " = 0x12345678" \
 578             "print piece a"
 579         gdb_test "print /x global_pieces.b" " = 0x87654321" \
 580             "print piece b"
 581
 582         gdb_test "print /x global_pieces" " = \{a = 0x12345678, b = 0x87654321\}" \
 583             "print whole object"
 584
 585         gdb_test "tfind none" "#0  end .*" \
 586             "cease trace debugging"
 587     }
 588 }
 589
 590 proc gdb_collect_return_test { } {
 591     global gdb_prompt
 592
 593     with_test_prefix "collect \$_ret" {
 594         prepare_for_trace_test
 595
 596         # We'll simply re-use the args_test_function for this test.
 597         gdb_test "trace args_test_func" \
 598             "Tracepoint \[0-9\]+ at .*" \
 599             "set tracepoint"
 600         gdb_trace_setactions "define actions" \
 601             "" \
 602             "collect \$_ret" "^$"
 603
 604         # Begin the test.
 605         run_trace_experiment args_test_func
 606
 607         # Since we can't guarantee that $_ret will give us the caller,
 608         # pass either way, but giving different messages.
 609         gdb_test_multiple "backtrace" "" {
 610             -re ".*#1 .* in main .*\r\n$gdb_prompt $" {
 611                 pass "$gdb_test_name (lists main)"
 612             }
 613             -re ".*#1 .* in ?? .*\r\n$gdb_prompt $" {
 614                 pass "$gdb_test_name (not listing main)"
 615             }
 616         }
 617
 618         gdb_test "tfind none" \
 619             "#0  end .*" \
 620             "cease trace debugging"
 621     }
 622 }
 623
 624 proc gdb_collect_strings_test { func mystr myrslt mylim msg } {
 625     global hex
 626     global gdb_prompt
 627
 628     with_test_prefix "collect $msg" {
 629         prepare_for_trace_test
 630
 631         # Find the comment-identified line for setting this tracepoint.
 632         set testline 0
 633         gdb_test_multiple "list $func, +30" "find tracepoint line" {
 634             -re "\[\r\n\](\[0-9\]+)\[^\r\n\]+ Set_Tracepoint_Here .*$gdb_prompt" {
 635                 set testline $expect_out(1,string)
 636                 pass $gdb_test_name
 637             }
 638             -re ".*$gdb_prompt " {
 639                 pass "$gdb_test_name (skipping strings test)"
 640                 return
 641             }
 642             timeout {
 643                 pass "$gdb_test_name (skipping strings test)"
 644                 return
 645             }
 646         }
 647
 648         gdb_test "trace $testline" \
 649             "Tracepoint \[0-9\]+ at .*" \
 650             "set tracepoint"
 651         gdb_trace_setactions "define actions" \
 652             "" \
 653             "collect/s$mylim $mystr" "^$"
 654
 655         # Begin the test.
 656         run_trace_experiment $func
 657
 658         gdb_test "print $mystr" \
 659             "\\$\[0-9\]+ = $hex \"$myrslt\".*" \
 660             "collected local string"
 661
 662         gdb_test "tfind none" \
 663             "#0  end .*" \
 664             "cease trace debugging"
 665     }
 666 }
 667
 668 proc gdb_trace_collection_test {} {
 669     global fpreg
 670     global spreg
 671     global pcreg
 672
 673     gdb_collect_args_test "\$args" \
 674             "args collectively"
 675     gdb_collect_args_test "argc, argi, argf, argd, argstruct, argarray" \
 676             "args individually"
 677     gdb_collect_argstruct_test "\$args" \
 678             "argstruct collectively"
 679     gdb_collect_argstruct_test "argstruct" \
 680             "argstruct individually"
 681     gdb_collect_argarray_test "\$args" \
 682             "argarray collectively"
 683     gdb_collect_argarray_test "argarray" \
 684             "argarray individually"
 685     gdb_collect_locals_test local_test_func "\$locals" \
 686             "auto locals collectively"
 687     gdb_collect_locals_test local_test_func \
 688             "locc, loci, locf, locd, locst, locar" \
 689             "auto locals individually"
 690     gdb_collect_locals_test reglocal_test_func "\$locals" \
 691             "register locals collectively"
 692     gdb_collect_locals_test reglocal_test_func \
 693             "locc, loci, locf, locd, locst, locar" \
 694             "register locals individually"
 695     gdb_collect_locals_test statlocal_test_func "\$locals" \
 696             "static locals collectively"
 697     gdb_collect_locals_test statlocal_test_func \
 698             "locc, loci, locf, locd, locst, locar" \
 699             "static locals individually"
 700     gdb_collect_registers_test "\$regs"
 701     gdb_collect_registers_test "\$$fpreg, \$$spreg, \$$pcreg"
 702     gdb_collect_globals_test
 703     gdb_collect_global_in_pieces_test
 704
 705     #
 706     # Expression tests:
 707     #
 708     # *x        (**x, ...)
 709     # x.y       (x.y.z, ...)
 710     # x->y      (x->y->z, ...)
 711     # x[2]      (x[2][3], ...) (const index)
 712     # x[y]      (x[y][z], ...) (index to be char, short, long, float, double)
 713     #  NOTE:
 714     #  We test the following operators by using them in an array index
 715     #  expression -- because the naked result of an operator is not really
 716     #  collected.  To be sure the operator was evaluated correctly on the
 717     #  target, we have to actually use the result eg. in an array offset
 718     #  calculation.
 719     # x[y +  z] (tests addition: y and z various combos of types, sclasses)
 720     # x[y -  z] (tests subtraction) (ditto)
 721     # x[y *  z] (tests multiplication) (ditto)
 722     # x[y /  z] (tests division) (ditto)
 723     # x[y %  z] (tests modulo division) (ditto)
 724     # x[y == z] (tests equality relation) (ditto)              UNSUPPORTED
 725     # x[y != z] (tests inequality relation) (ditto)            UNSUPPORTED
 726     # x[y >  z] (tests greater-than relation) (ditto)          UNSUPPORTED
 727     # x[y <  z] (tests less-than relation) (ditto)             UNSUPPORTED
 728     # x[y >= z] (tests greater-than-or-equal relation) (ditto) UNSUPPORTED
 729     # x[y <= z] (tests less-than-or-equal relation) (ditto)    UNSUPPORTED
 730     # x[y && z] (tests logical and) (ditto)                    UNSUPPORTED
 731     # x[y || z] (tests logical or) (ditto)                     UNSUPPORTED
 732     # x[y &  z] (tests binary and) (ditto)                     UNSUPPORTED
 733     # x[y |  z] (tests binary or) (ditto)                      UNSUPPORTED
 734     # x[y ^  z] (tests binary xor) (ditto)                     UNSUPPORTED
 735     # x[y ? z1 : z2] (tests ternary operator) (ditto)          UNSUPPORTED
 736     # x[y << z] (tests shift-left) (ditto)                     UNSUPPORTED
 737     # x[y >> z] (tests shift-right) (ditto)                    UNSUPPORTED
 738     # x[y =  z] (tests assignment operator) (ditto)            UNSUPPORTED
 739     # x[++y]    (tests pre-increment operator) (ditto)         UNSUPPORTED
 740     # x[--y]    (tests pre-decrement operator) (ditto)         UNSUPPORTED
 741     # x[y++]    (tests post-increment operator) (ditto)        UNSUPPORTED
 742     # x[y--]    (tests post-decrement operator) (ditto)        UNSUPPORTED
 743     # x[+y]     (tests unary plus) (ditto)
 744     # x[-y]     (tests unary minus) (ditto)
 745     # x[!y]     (tests logical not) (ditto)                    UNSUPPORTED
 746     # x[~y]     (tests binary not) (ditto)                     UNSUPPORTED
 747     # x[(y, z)] (tests comma expression) (ditto)
 748     # cast expr
 749     # stack data
 750
 751     gdb_collect_expression_test globals_test_func \
 752             "globalstruct.memberi"  "82"     "a.b"
 753     gdb_collect_expression_test globals_test_func \
 754             "globalp->memberc"      "81 'Q'" "a->b"
 755     gdb_collect_expression_test globals_test_func \
 756             "globalarr\[2\]"        "2"      "a\[2\]"
 757     gdb_collect_expression_test globals_test_func \
 758             "globalarr\[l3\]"       "3"      "a\[b\]"
 759     gdb_collect_expression_test globals_test_func \
 760             "globalarr\[l3 + l2\]"  "5"      "a\[b + c\]"
 761     gdb_collect_expression_test globals_test_func \
 762             "globalarr\[l3 - l2\]"  "1"      "a\[b - c\]"
 763     gdb_collect_expression_test globals_test_func \
 764             "globalarr\[l3 * l2\]"  "6"      "a\[b * c\]"
 765     gdb_collect_expression_test globals_test_func \
 766             "globalarr\[l6 / l3\]"  "2"      "a\[b / c\]"
 767     gdb_collect_expression_test globals_test_func \
 768             "globalarr\[l7 % l3\]"  "1"      "a\[b % c\]"
 769     gdb_collect_expression_test globals_test_func \
 770             "globalarr\[+l1\]"      "1"      "a\[+b\]"
 771     gdb_collect_expression_test globals_test_func \
 772             "globalarr\[-lminus\]"  "2"      "a\[-b\]"
 773     gdb_collect_expression_test globals_test_func \
 774             "globalarr\[\(l6, l7\)\]" "7"    "a\[\(b, c\)\]"
 775
 776     gdb_collect_return_test
 777
 778     gdb_collect_strings_test strings_test_func "locstr" "abcdef" "" \
 779             "local string"
 780
 781     gdb_collect_strings_test strings_test_func "longloc" "how now brown c" 15 \
 782             "long local string"
 783
 784 }
 785
 786 runto_main
 787
 788 if {![gdb_target_supports_trace]} {
 789     unsupported "current target does not support trace"
 790     return 1
 791 }
 792
 793 # Body of test encased in a proc so we can return prematurely.
 794 gdb_trace_collection_test
 795
 796 # Finished!
 797 gdb_test "tfind none" ".*"