gdb/testsuite/gdb.hp/attach.exp

   1 #   Copyright (C) 1997 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 2 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, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  16
  17 # Please email any bugs, comments, and/or additions to this file to:
  18 # bug-gdb@prep.ai.mit.edu
  19
  20 # On HP-UX 11.0, this test is causing a process running
  21 # the program "attach" to be left around spinning.
  22 # Until we figure out why, I am commenting out the test
  23 # to avoid polluting tiamat (our 11.0 nightly test machine)
  24 # with these processes. RT
  25 #
  26 # Setting the magic bit in the target app should work.
  27 # I added a "kill", and also a test for the R3 register
  28 #  warning.           JB
  29 #
  30 if $tracelevel then {
  31         strace $tracelevel
  32         }
  33
  34 set prms_id 0
  35 set bug_id 0
  36
  37
  38 # are we on a target board
  39 if ![isnative] then {
  40     return
  41 }
  42
  43 if { ![istarget "hppa*-*-hpux10.30"] && ![istarget "hppa*-*-hpux11.*"] } {
  44     #setup_xfail "*-*-*"
  45     return 0
  46 }
  47
  48 set testfile "attach"
  49 set srcfile  ${testfile}.c
  50 set srcfile2 ${testfile}2.c
  51 set binfile  ${objdir}/${subdir}/${testfile}
  52 set binfile2 ${objdir}/${subdir}/${testfile}2
  53 set cleanupfile ${objdir}/${subdir}/${testfile}.awk
  54
  55 #execute_anywhere "rm -f ${binfile} ${binfile2}"
  56 remote_exec build "rm -f ${binfile} ${binfile2}"
  57 # For debugging this test
  58 #
  59 #log_user 1
  60
  61 # Clean out any old files from past runs.
  62 #
  63 remote_exec build "${cleanupfile}"
  64
  65 # build the first test case
  66 #
  67 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  68      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  69 }
  70
  71 # Build the in-system-call test
  72
  73 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable {debug}] != "" } {
  74      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  75 }
  76
  77 #if  { [compile "-E ${srcdir}/${subdir}/compiler.c >> ${objdir}/${subdir}/${testfile}.tmp"] != ""# } {
  78 #    perror "Couldn't make ${testfile}.tmp"
  79 #    return -1
  80 #}
  81
  82 #execute_anywhere "mv ${objdir}/${subdir}/${testfile}.tmp ${binfile}.ci"
  83
  84 #source ${binfile}.ci
  85
  86 proc do_attach_tests {} {
  87    global gdb_prompt
  88    global binfile
  89    global srcfile
  90    global testfile
  91    global objdir
  92    global subdir
  93    global timeout
  94
  95    # Start the program running and then wait for a bit, to be sure
  96    # that it can be attached to.
  97    #
  98    set testpid [eval exec $binfile &]
  99    exec sleep 2
 100
 101    # Verify that we cannot attach to nonsense.
 102    #
 103    send_gdb "attach abc\n"
 104    gdb_expect {
 105       -re "Illegal process-id: abc.*$gdb_prompt $"\
 106                       {pass "attach to nonsense is prohibited"}
 107       -re "Attaching to.*$gdb_prompt $"\
 108                       {fail "attach to nonsense is prohibited (bogus pid allowed)"}
 109       -re "$gdb_prompt $" {fail "attach to nonsense is prohibited"}
 110       timeout         {fail "(timeout) attach to nonsense is prohibited"}
 111    }
 112
 113    # Verify that we cannot attach to what appears to be a valid
 114    # process ID, but is a process that doesn't exist.  (I don't
 115    # believe any process is ever assigned #0, at least on HPUX.)
 116    #
 117    send_gdb "attach 0\n"
 118    gdb_expect {
 119       # This reponse is expected on HP-UX 10.20 (i.e., ptrace-based).
 120       -re "Attaching to.*, process 0.*No such process.*$gdb_prompt $"\
 121                       {pass "attach to nonexistent process is prohibited"}
 122       # This response is expected on HP-UX 10.30 & 11.0 (i.e., ttrace-based).
 123       -re "Attaching to.*, process 0.*Permission denied.*$gdb_prompt $"\
 124                       {pass "attach to nonexistent process is prohibited"}
 125       -re "$gdb_prompt $" {fail "attach to nonexistent process is prohibited"}
 126       timeout         {fail "(timeout) attach to nonexistent process is prohibited"}
 127    }
 128
 129    # Verify that we can attach to the process by first giving its
 130    # executable name via the file command, and using attach with
 131    # the process ID.
 132    #
 133    # (Actually, the test system appears to do this automatically
 134    # for us.  So, we must also be prepared to be asked if we want
 135    # to discard an existing set of symbols.)
 136    #
 137    send_gdb "file $binfile\n"
 138    gdb_expect {
 139       -re "Load new symbol table from.*y or n.*$" {
 140          send_gdb "y\n"
 141          gdb_expect {
 142             -re "Reading symbols from $binfile\.\.\.*done.*$gdb_prompt $"\
 143                             {pass "(re)set file, before attach1"}
 144             -re "$gdb_prompt $" {fail "(re)set file, before attach1"}
 145             timeout         {fail "(timeout) (re)set file, before attach1"}
 146          }
 147       }
 148       -re "Reading symbols from $binfile\.\.\.*done.*$gdb_prompt $"\
 149                       {pass "set file, before attach1"}
 150       -re "$gdb_prompt $" {fail "set file, before attach1"}
 151       timeout         {fail "(timeout) set file, before attach1"}
 152    }
 153
 154    send_gdb "attach $testpid\n"
 155    gdb_expect {
 156       -re "Attaching to program.*$binfile, process $testpid.*main.*at .*$srcfile:.*$gdb_prompt $"\
 157                       {pass "attach1, after setting file"}
 158       -re "$gdb_prompt $" {fail "attach1, after setting file"}
 159       timeout         {fail "(timeout) attach1, after setting file"}
 160    }
 161
 162    # Verify that we can "see" the variable "should_exit" in the
 163    # program, and that it is zero.
 164    #
 165    send_gdb "print should_exit\n"
 166    gdb_expect {
 167       -re ".* = 0.*$gdb_prompt $"\
 168                       {pass "after attach1, print should_exit"}
 169       -re "$gdb_prompt $" {fail "after attach1, print should_exit"}
 170       timeout         {fail "(timeout) after attach1, print should_exit"}
 171    }
 172
 173    # Detach the process.
 174    #
 175    send_gdb "detach\n"
 176    gdb_expect {
 177       -re "Detaching from program: .*$binfile.*$gdb_prompt $"\
 178                       {pass "attach1 detach"}
 179       -re "$gdb_prompt $" {fail "attach1 detach"}
 180       timeout         {fail "(timeout) attach1 detach"}
 181    }
 182
 183    # Wait a bit for gdb to finish detaching
 184    #
 185    exec sleep 5
 186
 187    # Purge the symbols from gdb's brain.  (We want to be certain
 188    # the next attach, which won't be preceded by a "file" command,
 189    # is really getting the executable file without our help.)
 190    #
 191    set old_timeout $timeout
 192    set timeout     [expr $timeout + 20]
 193    send_gdb "file\n"
 194    gdb_expect {
 195       -re ".*gdb internal error.*$" {
 196           fail "Internal error, prob. Memory corruption"
 197       }
 198       -re "No exec file now.*Discard symbol table.*y or n.*$" {
 199          send_gdb "y\n"
 200          gdb_expect {
 201             -re "No symbol file now.*$gdb_prompt $"\
 202                             {pass "attach1, purging symbols after detach"}
 203             -re "$gdb_prompt $" {fail "attach1, purging symbols after detach"}
 204             timeout         {fail "(timeout) attach1, purging symbols after detach"}
 205          }
 206       }
 207       -re "$gdb_prompt $" {fail "attach1, purging file after detach"}
 208       timeout         {
 209           fail "(timeout) attach1, purging file after detach"
 210       }
 211    }
 212    set timeout $old_timeout
 213
 214    # Verify that we can attach to the process just by giving the
 215    # process ID.
 216    #
 217    send_gdb "attach $testpid\n"
 218    gdb_expect {
 219       -re "Attaching to process $testpid.*Reading symbols from $binfile.*main.*at .*$gdb_prompt $"\
 220                       {pass "attach2"}
 221       -re "$gdb_prompt $" {fail "attach2"}
 222       timeout         {fail "(timeout) attach2"}
 223    }
 224
 225    # Verify that we can modify the variable "should_exit" in the
 226    # program.
 227    #
 228    send_gdb "set should_exit=1\n"
 229    gdb_expect {
 230       -re "$gdb_prompt $" {pass "after attach2, set should_exit"}
 231       timeout         {fail "(timeout) after attach2, set should_exit"}
 232    }
 233
 234    # Verify that the modification really happened.
 235    #
 236    send_gdb "tbreak 19\n"
 237    gdb_expect {
 238       -re "Breakpoint .*at.*$srcfile, line 19.*$gdb_prompt $"\
 239                       {pass "after attach2, set tbreak postloop"}
 240       -re "$gdb_prompt $" {fail "after attach2, set tbreak postloop"}
 241       timeout         {fail "(timeout) after attach2, set tbreak postloop"}
 242    }
 243    send_gdb "continue\n"
 244    gdb_expect {
 245       -re "main.*at.*$srcfile:19.*$gdb_prompt $"\
 246                       {pass "after attach2, reach tbreak postloop"}
 247       -re "$gdb_prompt $" {fail "after attach2, reach tbreak postloop"}
 248       timeout         {fail "(timeout) after attach2, reach tbreak postloop"}
 249    }
 250
 251    # Allow the test process to exit, to cleanup after ourselves.
 252    #
 253    send_gdb "continue\n"
 254    gdb_expect {
 255       -re "Program exited normally.*$gdb_prompt $"\
 256                       {pass "after attach2, exit"}
 257       -re "$gdb_prompt $" {fail "after attach2, exit"}
 258       timeout         {fail "(timeout) after attach2, exit"}
 259    }
 260
 261    # Make sure we don't leave a process around to confuse
 262    # the next test run (and prevent the compile by keeping
 263    # the text file busy), in case the "set should_exit" didn't
 264    # work.
 265    #
 266 #   execute_anywhere "kill -9 ${testpid}"
 267 remote_exec build "kill -9 ${testpid}"
 268    # Start the program running and then wait for a bit, to be sure
 269    # that it can be attached to.
 270    #
 271    set testpid [eval exec $binfile &]
 272    exec sleep 2
 273
 274    # Verify that we can attach to the process, and find its a.out
 275    # when we're cd'd to some directory that doesn't contain the
 276    # a.out.  (We use the source path set by the "dir" command.)
 277    #
 278    send_gdb "dir ${objdir}/${subdir}\n"
 279    gdb_expect {
 280       -re ".*Source directories searched: .*$gdb_prompt $"\
 281                       {pass "set source path"}
 282       -re "$gdb_prompt $" {fail "set source path"}
 283       timeout         {fail "(timeout) set source path"}
 284    }
 285
 286    send_gdb "cd /tmp\n"
 287    gdb_expect {
 288       -re ".*Working directory /tmp.*$gdb_prompt $"\
 289                       {pass "cd away from process' a.out"}
 290       -re "$gdb_prompt $" {fail "cd away from process' a.out"}
 291       timeout         {fail "(timeout) cd away from process' a.out"}
 292    }
 293
 294    # Explicitly flush out any knowledge of the previous attachment.
 295    send_gdb "symbol\n"
 296    gdb_expect {
 297       -re ".*Discard symbol table from.*y or n. $"\
 298                       {send_gdb "y\n"
 299                        gdb_expect {
 300                           -re ".*No symbol file now.*$gdb_prompt $"\
 301                                           {pass "before attach3, flush symbols"}
 302                           -re "$gdb_prompt $" {fail "before attach3, flush symbols"}
 303                           timeout         {fail "(timeout) before attach3, flush symbols"}
 304                        }
 305                       }
 306       -re ".*No symbol file now.*$gdb_prompt $"\
 307                       {pass "before attach3, flush symbols"}
 308       -re "$gdb_prompt $" {fail "before attach3, flush symbols"}
 309       timeout         {fail "(timeout) before attach3, flush symbols"}
 310    }
 311    send_gdb "exec\n"
 312    gdb_expect {
 313       -re ".*No exec file now.*$gdb_prompt $"\
 314                       {pass "before attach3, flush exec"}
 315       -re "$gdb_prompt $" {fail "before attach3, flush exec"}
 316       timeout         {fail "(timeout) before attach3, flush exec"}
 317    }
 318
 319    send_gdb "attach $testpid\n"
 320    gdb_expect {
 321       -re "Attaching to process $testpid.*Reading symbols from $binfile.*main.*at .*$gdb_prompt $"\
 322                       {pass "attach when process' a.out not in cwd"}
 323       -re "$gdb_prompt $" {fail "attach when process' a.out not in cwd"}
 324       timeout         {fail "(timeout) attach when process' a.out not in cwd"}
 325    }
 326
 327    send_gdb "kill\n"
 328    gdb_expect {
 329       -re ".*Kill the program being debugged.*y or n. $"\
 330                       {send_gdb "y\n"
 331                        gdb_expect {
 332                           -re "$gdb_prompt $" {pass "after attach3, exit"}
 333                           timeout {fail "(timeout) after attach3, exit"}
 334                        }
 335                       }
 336       -re "$gdb_prompt $" {fail "after attach3, exit"}
 337       timeout         {fail "(timeout) after attach3, exit"}
 338    }
 339 }
 340
 341 proc do_call_attach_tests {} {
 342    global gdb_prompt
 343    global binfile2
 344
 345    # Start the program running and then wait for a bit, to be sure
 346    # that it can be attached to.
 347    #
 348    set testpid [eval exec $binfile2 &]
 349    exec sleep 2
 350
 351    # Attach
 352    #
 353    send_gdb "attach $testpid\n"
 354    gdb_expect {
 355       -re ".*warning: reading register.*I.*O error.*$gdb_prompt $" {
 356          fail "attach call, read register 3 error"
 357      }
 358      -re "Attaching to.*process $testpid.*libc.*$gdb_prompt $" {
 359          pass "attach call"
 360      }
 361       -re "$gdb_prompt $" {fail "attach call"}
 362       timeout         {fail "(timeout) attach call"}
 363    }
 364
 365    # See if other registers are problems
 366    #
 367    send_gdb "i r r3\n"
 368    gdb_expect {
 369        -re ".*warning: reading register.*$gdb_prompt $" {
 370            pass "CHFts23490: known bug"
 371        }
 372        -re ".*r3.*$gdb_prompt $" {
 373            pass "Bug fixed, Yayyy!"
 374        }
 375        timeout { fail "timeout on info reg" }
 376    }
 377
 378    # Get rid of the process
 379    #
 380    gdb_test "p should_exit = 1" ".*" ""
 381    gdb_test "c" ".*Program exited normally.*" ""
 382
 383    # Be paranoid
 384    #
 385 #   execute_anywhere "kill -9 ${testpid}"
 386 remote_exec build "kill -9 ${testpid}"
 387
 388 }
 389
 390
 391 # Start with a fresh gdb
 392 #
 393 gdb_exit
 394 gdb_start
 395 gdb_reinitialize_dir $srcdir/$subdir
 396 gdb_load ${binfile}
 397
 398 # This is a test of gdb's ability to attach to a running process.
 399 #
 400 do_attach_tests
 401
 402 # Test attaching when the target is inside a system call
 403 #
 404 gdb_exit
 405 gdb_start
 406 gdb_reinitialize_dir $srcdir/$subdir
 407 do_call_attach_tests
 408
 409 # Until "set follow-fork-mode" and "catch fork" are implemented on
 410 # other targets...
 411 #
 412 if ![istarget "hppa*-hp-hpux*"] then {
 413    setup_xfail "*-*-*"
 414 }
 415
 416 return 0