gdb/testsuite/gdb.trace/collection.exp

   1 # Copyright 1998, 2005, 2007, 2008, 2009, 2010 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 if $tracelevel then {
  19         strace $tracelevel
  20 }
  21
  22 set prms_id 0
  23 set bug_id 0
  24
  25 set testfile "collection"
  26 set srcfile ${testfile}.c
  27 set executable $testfile
  28 set binfile $objdir/$subdir/$executable
  29
  30 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
  31         executable {debug nowarnings}] != "" } {
  32     untested collection.exp
  33     return -1
  34 }
  35
  36 # Tests:
  37 # 1) $args
  38 # 2) function args by name
  39 # 3) $locs
  40 # 4) function locals by name
  41 # 5) $regs
  42 # 6) registers by name ($sp, $fp?)
  43 # 7) globals by name
  44 # 8) expressions (lots of different kinds: local and global)
  45
  46 set ws "\[\r\n\t \]+"
  47 set cr "\[\r\n\]+"
  48
  49 if [istarget "x86_64-*"] then {
  50     set fpreg "rbp"
  51     set spreg "rsp"
  52     set pcreg "rip"
  53 } elseif [istarget "i?86-*"] then {
  54     set fpreg "ebp"
  55     set spreg "esp"
  56     set pcreg "eip"
  57 } else {
  58     set fpreg "fp"
  59     set spreg "sp"
  60     set pcreg "pc"
  61 }
  62
  63 #
  64 # Utility procs
  65 #
  66
  67 proc test_register { reg test_id } {
  68     global cr
  69     global gdb_prompt
  70
  71     gdb_test_multiple "print /x $reg" "" {
  72         -re "\\$\[0-9\]+ = \[x0\]+$cr$gdb_prompt $" {
  73             fail "collect $test_id: collected $reg (zero)"
  74         }
  75         -re "\\$\[0-9\]+ = \[x0-9a-fA-F\]+$cr$gdb_prompt $" {
  76             pass "collect $test_id: collected $reg"
  77         }
  78         -re "\[Ee\]rror.*$gdb_prompt $" {
  79             fail "collect $test_id: collected $reg (error)"
  80         }
  81     }
  82 }
  83
  84 proc prepare_for_trace_test {} {
  85     global executable
  86
  87     clean_restart $executable
  88
  89     runto_main
  90
  91     gdb_test "break begin" "" ""
  92     gdb_test "break end" "" ""
  93 }
  94
  95 proc run_trace_experiment { msg test_func } {
  96     global gdb_prompt
  97
  98     gdb_test "continue" \
  99         ".*Breakpoint \[0-9\]+, begin .*" \
 100         "collect $msg: advance to begin"
 101
 102     set test "collect $msg: start trace experiment"
 103     gdb_test_multiple "tstart" "$test" {
 104         -re "^tstart\r\n$gdb_prompt $" {
 105             pass "$test"
 106         }
 107     }
 108
 109     gdb_test "continue" \
 110             "Continuing.*Breakpoint \[0-9\]+, end.*" \
 111             "collect $msg: run trace experiment"
 112     gdb_test "tstop" \
 113             "\[\r\n\]+" \
 114             "collect $msg: stop trace experiment"
 115     gdb_test "tfind start" \
 116             "#0  $test_func .*" \
 117             "collect $msg: tfind test frame"
 118 }
 119
 120
 121 #
 122 # Test procs
 123 #
 124
 125 proc gdb_collect_args_test { myargs msg } {
 126     global cr
 127     global gdb_prompt
 128
 129     prepare_for_trace_test
 130
 131     gdb_test "trace args_test_func" \
 132             "Tracepoint \[0-9\]+ at .*" \
 133             "collect $msg: set tracepoint"
 134     gdb_trace_setactions "collect $msg: define actions" \
 135             "" \
 136             "collect $myargs" "^$"
 137
 138     # Begin the test.
 139     run_trace_experiment $msg args_test_func
 140
 141     gdb_test "print argc" \
 142             "\\$\[0-9\]+ = 1 '.001'$cr" \
 143             "collect $msg: collected arg char"
 144     gdb_test "print argi" \
 145             "\\$\[0-9\]+ = 2$cr" \
 146             "collect $msg: collected arg int"
 147     gdb_test "print argf" \
 148             "\\$\[0-9\]+ = 3.\[23\]\[0-9\]*$cr" \
 149             "collect $msg: collected arg float"
 150     gdb_test "print argd" \
 151             "\\$\[0-9\]+ = 4.\[34\]\[0-9\]*$cr" \
 152             "collect $msg: collected arg double"
 153
 154     # struct arg as one of several args (near end of list)
 155     gdb_test "print argstruct.memberc" \
 156             "\\$\[0-9\]+ = 101 'e'$cr" \
 157             "collect $msg: collected arg struct member char"
 158     gdb_test "print argstruct.memberi" \
 159             "\\$\[0-9\]+ = 102$cr" \
 160             "collect $msg: collected arg struct member int"
 161     gdb_test "print argstruct.memberf" \
 162             "\\$\[0-9\]+ = 103.\[23\]\[0-9\]*$cr" \
 163             "collect $msg: collected arg struct member float"
 164     gdb_test "print argstruct.memberd" \
 165             "\\$\[0-9\]+ = 104.\[34\]\[0-9\]*$cr" \
 166             "collect $msg: collected arg struct member double"
 167
 168     # array arg as one of several args (near end of list)
 169
 170     # It isn't clear why is the test assuming the array's elements are
 171     # collected.  In C, an array as function parameters is a special
 172     # case; it's just a pointer into the caller's array, and as such,
 173     # that's what normally the debug info describes.  Maybe this was
 174     # originaly written for a compiler where array parameters were
 175     # really described as arrays in debug info.
 176
 177     setup_xfail "*-*-*"
 178     gdb_test "print argarray\[0\]" \
 179             "\\$\[0-9\]+ = 111$cr" \
 180             "collect $msg: collected argarray #0"
 181
 182     setup_xfail "*-*-*"
 183     gdb_test "print argarray\[1\]" \
 184             "\\$\[0-9\]+ = 112$cr" \
 185             "collect $msg: collected argarray #1"
 186
 187     setup_xfail "*-*-*"
 188     gdb_test "print argarray\[2\]" \
 189             "\\$\[0-9\]+ = 113$cr" \
 190             "collect $msg: collected argarray #2"
 191
 192     setup_xfail "*-*-*"
 193     gdb_test "print argarray\[3\]" \
 194             "\\$\[0-9\]+ = 114$cr" \
 195             "collect $msg: collected argarray #3"
 196
 197     gdb_test "tfind none" \
 198             "#0  end .*" \
 199             "collect $msg: cease trace debugging"
 200 }
 201
 202 proc gdb_collect_argstruct_test { myargs msg } {
 203     global cr
 204     global gdb_prompt
 205
 206     prepare_for_trace_test
 207
 208     gdb_test "trace argstruct_test_func" \
 209             "Tracepoint \[0-9\]+ at .*" \
 210             "collect $msg: set tracepoint"
 211     gdb_trace_setactions "collect $msg: define actions" \
 212             "" \
 213             "collect $myargs" "^$"
 214
 215     # Begin the test.
 216     run_trace_experiment $msg argstruct_test_func
 217
 218     # struct argument as only argument
 219     gdb_test "print argstruct.memberc" \
 220             "\\$\[0-9\]+ = 101 'e'$cr" \
 221             "collect $msg: collected arg struct member char"
 222     gdb_test "print argstruct.memberi" \
 223             "\\$\[0-9\]+ = 102$cr" \
 224             "collect $msg: collected arg struct member int"
 225     gdb_test "print argstruct.memberf" \
 226             "\\$\[0-9\]+ = 103.\[23\]\[0-9\]*$cr" \
 227             "collect $msg: collected arg struct member float"
 228     gdb_test "print argstruct.memberd" \
 229             "\\$\[0-9\]+ = 104.\[34\]\[0-9\]*$cr" \
 230             "collect $msg: collected arg struct member double"
 231
 232     gdb_test "tfind none" \
 233             "#0  end .*" \
 234             "collect $msg: cease trace debugging"
 235 }
 236
 237
 238 proc gdb_collect_argarray_test { myargs msg } {
 239     global cr
 240     global gdb_prompt
 241
 242     prepare_for_trace_test
 243
 244     gdb_test "trace argarray_test_func" \
 245             "Tracepoint \[0-9\]+ at .*" \
 246             "collect $msg: set tracepoint"
 247     gdb_trace_setactions "collect $msg: define actions" \
 248             "" \
 249             "collect $myargs" "^$"
 250
 251     # Begin the test.
 252     run_trace_experiment $msg argarray_test_func
 253
 254     # array arg as only argument
 255
 256     # It isn't clear why is the test assuming the array's elements are
 257     # collected.  In C, an array as function parameters is a special
 258     # case; it's just a pointer into the caller's array, and as such,
 259     # that's what normally the debug info describes.  Maybe this was
 260     # originaly written for a compiler where array parameters were
 261     # really described as arrays in debug info.
 262
 263     setup_xfail "*-*-*"
 264     gdb_test "print argarray\[0\]" \
 265             "\\$\[0-9\]+ = 111$cr" \
 266             "collect $msg: collected argarray #0"
 267
 268     setup_xfail "*-*-*"
 269     gdb_test "print argarray\[1\]" \
 270             "\\$\[0-9\]+ = 112$cr" \
 271             "collect $msg: collected argarray #1"
 272
 273     setup_xfail "*-*-*"
 274     gdb_test "print argarray\[2\]" \
 275             "\\$\[0-9\]+ = 113$cr" \
 276             "collect $msg: collected argarray #2"
 277
 278     setup_xfail "*-*-*"
 279     gdb_test "print argarray\[3\]" \
 280             "\\$\[0-9\]+ = 114$cr" \
 281             "collect $msg: collected argarray #3"
 282
 283     gdb_test "tfind none" \
 284             "#0  end .*" \
 285             "collect $msg: cease trace debugging"
 286 }
 287
 288
 289 proc gdb_collect_locals_test { func mylocs msg } {
 290     global cr
 291     global gdb_prompt
 292
 293     prepare_for_trace_test
 294
 295     # Find the comment-identified line for setting this tracepoint.
 296     set testline 0
 297     send_gdb "list $func, +30\n"
 298     gdb_expect {
 299         -re "\[\r\n\](\[0-9\]+)\[^\r\n\]+ Set_Tracepoint_Here .*$gdb_prompt" {
 300             set testline $expect_out(1,string)
 301             pass "collect $msg: find tracepoint line"
 302         }
 303         -re ".*$gdb_prompt " {
 304             fail "collect $msg: find tracepoint line (skipping locals test)"
 305             return
 306         }
 307         timeout {
 308             fail "collect $msg: find tracepoint line (skipping locals test)"
 309             return
 310         }
 311     }
 312
 313     gdb_test "trace $testline" \
 314             "Tracepoint \[0-9\]+ at .*" \
 315             "collect $msg: set tracepoint"
 316     gdb_trace_setactions "collect $msg: define actions" \
 317             "" \
 318             "collect $mylocs" "^$"
 319
 320     # Begin the test.
 321     run_trace_experiment $msg $func
 322
 323     gdb_test "print locc" \
 324         "\\$\[0-9\]+ = 11 '.\[a-z0-7\]+'$cr" \
 325             "collect $msg: collected local char"
 326     gdb_test "print loci" \
 327             "\\$\[0-9\]+ = 12$cr" \
 328             "collect $msg: collected local int"
 329     gdb_test "print locf" \
 330             "\\$\[0-9\]+ = 13.\[23\]\[0-9\]*$cr" \
 331             "collect $msg: collected local float"
 332     gdb_test "print locd" \
 333             "\\$\[0-9\]+ = 14.\[34\]\[0-9\]*$cr" \
 334             "collect $msg: collected local double"
 335
 336     gdb_test "print locst.memberc" \
 337             "\\$\[0-9\]+ = 15 '.017'$cr" \
 338             "collect $msg: collected local member char"
 339     gdb_test "print locst.memberi" \
 340             "\\$\[0-9\]+ = 16$cr" \
 341             "collect $msg: collected local member int"
 342     gdb_test "print locst.memberf" \
 343             "\\$\[0-9\]+ = 17.\[67\]\[0-9\]*$cr" \
 344             "collect $msg: collected local member float"
 345     gdb_test "print locst.memberd" \
 346             "\\$\[0-9\]+ = 18.\[78\]\[0-9\]*$cr" \
 347             "collect $msg: collected local member double"
 348
 349     gdb_test "print locar\[0\]" \
 350             "\\$\[0-9\]+ = 121$cr" \
 351             "collect $msg: collected locarray #0"
 352     gdb_test "print locar\[1\]" \
 353             "\\$\[0-9\]+ = 122$cr" \
 354             "collect $msg: collected locarray #1"
 355     gdb_test "print locar\[2\]" \
 356             "\\$\[0-9\]+ = 123$cr" \
 357             "collect $msg: collected locarray #2"
 358     gdb_test "print locar\[3\]" \
 359             "\\$\[0-9\]+ = 124$cr" \
 360             "collect $msg: collected locarray #3"
 361
 362
 363     gdb_test "tfind none" \
 364             "#0  end .*" \
 365             "collect $msg: cease trace debugging"
 366 }
 367
 368 proc gdb_collect_registers_test { myregs } {
 369     global cr
 370     global gdb_prompt
 371     global fpreg
 372     global spreg
 373     global pcreg
 374
 375     prepare_for_trace_test
 376
 377     # We'll simply re-use the args_test_function for this test
 378     gdb_test "trace args_test_func" \
 379             "Tracepoint \[0-9\]+ at .*" \
 380             "collect $myregs: set tracepoint"
 381     gdb_trace_setactions "collect $myregs: define actions" \
 382             "" \
 383             "collect $myregs" "^$"
 384
 385     # Begin the test.
 386     run_trace_experiment $myregs args_test_func
 387
 388     test_register "\$$fpreg" $myregs
 389     test_register "\$$spreg" $myregs
 390     test_register "\$$pcreg" $myregs
 391
 392     gdb_test "tfind none" \
 393             "#0  end .*" \
 394             "collect $myregs: cease trace debugging"
 395 }
 396
 397 proc gdb_collect_expression_test { func expr val msg } {
 398     global cr
 399     global gdb_prompt
 400
 401     prepare_for_trace_test
 402
 403     # Find the comment-identified line for setting this tracepoint.
 404     set testline 0
 405     send_gdb "list $func, +30\n"
 406     gdb_expect {
 407         -re "\[\r\n\](\[0-9\]+)\[^\r\n\]+ Set_Tracepoint_Here .*$gdb_prompt" {
 408             set testline $expect_out(1,string)
 409             pass "collect $msg: find tracepoint line"
 410         }
 411         -re ".*$gdb_prompt " {
 412             fail "collect $msg: find tracepoint line (skipping locals test)"
 413             return
 414         }
 415         timeout {
 416             fail "collect $msg: find tracepoint line (skipping locals test)"
 417             return
 418         }
 419     }
 420
 421     gdb_test "trace $testline" \
 422             "Tracepoint \[0-9\]+ at .*" \
 423             "collect $msg: set tracepoint"
 424     gdb_trace_setactions "collect $msg: define actions" \
 425             "" \
 426             "collect $expr" "^$"
 427
 428     # Begin the test.
 429     run_trace_experiment $msg $func
 430
 431     gdb_test "print $expr" \
 432             "\\$\[0-9\]+ = $val$cr" \
 433             "collect $msg: got expected value '$val'"
 434
 435     gdb_test "tfind none" \
 436             "#0  end .*" \
 437             "collect $msg: cease trace debugging"
 438 }
 439
 440 proc gdb_collect_globals_test { } {
 441     global cr
 442     global gdb_prompt
 443
 444     prepare_for_trace_test
 445
 446     # Find the comment-identified line for setting this tracepoint.
 447     set testline 0
 448     send_gdb "list globals_test_func, +30\n"
 449     gdb_expect {
 450         -re "\[\r\n\](\[0-9\]+)\[^\r\n\]+ Set_Tracepoint_Here .*$gdb_prompt" {
 451             set testline $expect_out(1,string)
 452             pass "collect globals: find tracepoint line"
 453         }
 454         -re ".*$gdb_prompt " {
 455             fail "collect globals: find tracepoint line (skipping global test)"
 456             return
 457         }
 458         timeout {
 459             fail "collect globals: find tracepoint line (skipping global test)"
 460             return
 461         }
 462     }
 463
 464     gdb_test "trace $testline" \
 465             "Tracepoint \[0-9\]+ at .*" \
 466             "collect globals: set tracepoint"
 467     gdb_trace_setactions "collect globals: define actions" \
 468             "" \
 469             "collect globalc, globali, globalf, globald" "^$" \
 470             "collect globalstruct, globalp, globalarr" "^$"
 471
 472     # Begin the test.
 473     run_trace_experiment "globals" globals_test_func
 474
 475     gdb_test "print globalc" \
 476             "\\$\[0-9\]+ = 71 'G'$cr" \
 477             "collect globals: collected global char"
 478     gdb_test "print globali" \
 479             "\\$\[0-9\]+ = 72$cr" \
 480             "collect globals: collected global int"
 481     gdb_test "print globalf" \
 482             "\\$\[0-9\]+ = 73.\[23\]\[0-9\]*$cr" \
 483             "collect globals: collected global float"
 484     gdb_test "print globald" \
 485             "\\$\[0-9\]+ = 74.\[34\]\[0-9\]*$cr" \
 486             "collect globals: collected global double"
 487
 488     gdb_test "print globalstruct.memberc" \
 489             "\\$\[0-9\]+ = 81 'Q'$cr" \
 490             "collect globals: collected struct char member"
 491     gdb_test "print globalstruct.memberi" \
 492             "\\$\[0-9\]+ = 82$cr" \
 493             "collect globals: collected struct member int"
 494     gdb_test "print globalstruct.memberf" \
 495             "\\$\[0-9\]+ = 83.\[23\]\[0-9\]*$cr" \
 496             "collect globals: collected struct member float"
 497     gdb_test "print globalstruct.memberd" \
 498             "\\$\[0-9\]+ = 84.\[34\]\[0-9\]*$cr" \
 499             "collect globals: collected struct member double"
 500
 501     gdb_test "print globalp == &globalstruct" \
 502             "\\$\[0-9\]+ = 1$cr" \
 503             "collect globals: collected global pointer"
 504
 505     gdb_test "print globalarr\[1\]" \
 506             "\\$\[0-9\]+ = 1$cr" \
 507             "collect globals: collected global array element #1"
 508     gdb_test "print globalarr\[2\]" \
 509             "\\$\[0-9\]+ = 2$cr" \
 510             "collect globals: collected global array element #2"
 511     gdb_test "print globalarr\[3\]" \
 512             "\\$\[0-9\]+ = 3$cr" \
 513             "collect globals: collected global array element #3"
 514
 515     gdb_test "tfind none" \
 516             "#0  end .*" \
 517             "collect globals: cease trace debugging"
 518 }
 519
 520 proc gdb_trace_collection_test {} {
 521     global fpreg
 522     global spreg
 523     global pcreg
 524
 525     gdb_collect_args_test "\$args" \
 526             "args collectively"
 527     gdb_collect_args_test "argc, argi, argf, argd, argstruct, argarray" \
 528             "args individually"
 529     gdb_collect_argstruct_test "\$args" \
 530             "argstruct collectively"
 531     gdb_collect_argstruct_test "argstruct" \
 532             "argstruct individually"
 533     gdb_collect_argarray_test "\$args" \
 534             "argarray collectively"
 535     gdb_collect_argarray_test "argarray" \
 536             "argarray individually"
 537     gdb_collect_locals_test local_test_func "\$locals" \
 538             "auto locals collectively"
 539     gdb_collect_locals_test local_test_func \
 540             "locc, loci, locf, locd, locst, locar" \
 541             "auto locals individually"
 542     gdb_collect_locals_test reglocal_test_func "\$locals" \
 543             "register locals collectively"
 544     gdb_collect_locals_test reglocal_test_func \
 545             "locc, loci, locf, locd, locst, locar" \
 546             "register locals individually"
 547     gdb_collect_locals_test statlocal_test_func "\$locals" \
 548             "static locals collectively"
 549     gdb_collect_locals_test statlocal_test_func \
 550             "locc, loci, locf, locd, locst, locar" \
 551             "static locals individually"
 552     gdb_collect_registers_test "\$regs"
 553     gdb_collect_registers_test "\$$fpreg, \$$spreg, \$$pcreg"
 554     gdb_collect_globals_test
 555
 556     #
 557     # Expression tests:
 558     #
 559     # *x        (**x, ...)
 560     # x.y       (x.y.z, ...)
 561     # x->y      (x->y->z, ...)
 562     # x[2]      (x[2][3], ...) (const index)
 563     # x[y]      (x[y][z], ...) (index to be char, short, long, float, double)
 564     #  NOTE:
 565     #  We test the following operators by using them in an array index
 566     #  expression -- because the naked result of an operator is not really
 567     #  collected.  To be sure the operator was evaluated correctly on the
 568     #  target, we have to actually use the result eg. in an array offset
 569     #  calculation.
 570     # x[y +  z] (tests addition: y and z various combos of types, sclasses)
 571     # x[y -  z] (tests subtraction) (ditto)
 572     # x[y *  z] (tests multiplication) (ditto)
 573     # x[y /  z] (tests division) (ditto)
 574     # x[y %  z] (tests modulo division) (ditto)
 575     # x[y == z] (tests equality relation) (ditto)              UNSUPPORTED
 576     # x[y != z] (tests inequality relation) (ditto)            UNSUPPORTED
 577     # x[y >  z] (tests greater-than relation) (ditto)          UNSUPPORTED
 578     # x[y <  z] (tests less-than relation) (ditto)             UNSUPPORTED
 579     # x[y >= z] (tests greater-than-or-equal relation) (ditto) UNSUPPORTED
 580     # x[y <= z] (tests less-than-or-equal relation) (ditto)    UNSUPPORTED
 581     # x[y && z] (tests logical and) (ditto)                    UNSUPPORTED
 582     # x[y || z] (tests logical or) (ditto)                     UNSUPPORTED
 583     # x[y &  z] (tests binary and) (ditto)                     UNSUPPORTED
 584     # x[y |  z] (tests binary or) (ditto)                      UNSUPPORTED
 585     # x[y ^  z] (tests binary xor) (ditto)                     UNSUPPORTED
 586     # x[y ? z1 : z2] (tests ternary operator) (ditto)          UNSUPPORTED
 587     # x[y << z] (tests shift-left) (ditto)                     UNSUPPORTED
 588     # x[y >> z] (tests shift-right) (ditto)                    UNSUPPORTED
 589     # x[y =  z] (tests assignment operator) (ditto)            UNSUPPORTED
 590     # x[++y]    (tests pre-increment operator) (ditto)         UNSUPPORTED
 591     # x[--y]    (tests pre-decrement operator) (ditto)         UNSUPPORTED
 592     # x[y++]    (tests post-increment operator) (ditto)        UNSUPPORTED
 593     # x[y--]    (tests post-decrement operator) (ditto)        UNSUPPORTED
 594     # x[+y]     (tests unary plus) (ditto)
 595     # x[-y]     (tests unary minus) (ditto)
 596     # x[!y]     (tests logical not) (ditto)                    UNSUPPORTED
 597     # x[~y]     (tests binary not) (ditto)                     UNSUPPORTED
 598     # x[(y, z)] (tests comma expression) (ditto)
 599     # cast expr
 600     # stack data
 601
 602     gdb_collect_expression_test globals_test_func \
 603             "globalstruct.memberi"  "82"     "a.b"
 604     gdb_collect_expression_test globals_test_func \
 605             "globalp->memberc"      "81 'Q'" "a->b"
 606     gdb_collect_expression_test globals_test_func \
 607             "globalarr\[2\]"        "2"      "a\[2\]"
 608     gdb_collect_expression_test globals_test_func \
 609             "globalarr\[l3\]"       "3"      "a\[b\]"
 610     gdb_collect_expression_test globals_test_func \
 611             "globalarr\[l3 + l2\]"  "5"      "a\[b + c\]"
 612     gdb_collect_expression_test globals_test_func \
 613             "globalarr\[l3 - l2\]"  "1"      "a\[b - c\]"
 614     gdb_collect_expression_test globals_test_func \
 615             "globalarr\[l3 * l2\]"  "6"      "a\[b * c\]"
 616     gdb_collect_expression_test globals_test_func \
 617             "globalarr\[l6 / l3\]"  "2"      "a\[b / c\]"
 618     gdb_collect_expression_test globals_test_func \
 619             "globalarr\[l7 % l3\]"  "1"      "a\[b % c\]"
 620     gdb_collect_expression_test globals_test_func \
 621             "globalarr\[+l1\]"      "1"      "a\[+b\]"
 622     gdb_collect_expression_test globals_test_func \
 623             "globalarr\[-lminus\]"  "2"      "a\[-b\]"
 624     gdb_collect_expression_test globals_test_func \
 625             "globalarr\[\(l6, l7\)\]" "7"    "a\[\(b, c\)\]"
 626
 627 }
 628
 629 clean_restart $executable
 630 runto_main
 631
 632 # We generously give ourselves one "pass" if we successfully
 633 # detect that this test cannot be run on this target!
 634 if { ![gdb_target_supports_trace] } then {
 635     pass "Current target does not support trace"
 636     return 1;
 637 }
 638
 639 # Body of test encased in a proc so we can return prematurely.
 640 gdb_trace_collection_test
 641
 642 # Finished!
 643 gdb_test "tfind none" "" ""