gdb/testsuite/gdb.base/dbx.exp

   1 # Copyright 1998, 1999, 2001, 2007 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
  21 if $tracelevel then {
  22         strace $tracelevel
  23 }
  24
  25 set testfile1 "average"
  26 set testfile2 "sum"
  27 set testfile "dbx-test"
  28 set binfile1 ${objdir}/${subdir}/${testfile1}
  29 set binfile2 ${objdir}/${subdir}/${testfile2}
  30 set binfile ${objdir}/${subdir}/${testfile}
  31
  32
  33
  34 if  { [gdb_compile "${srcdir}/${subdir}/average.c" "${binfile1}.o" object {debug}] != "" } {
  35      untested dbx.exp
  36      return -1
  37 }
  38
  39 if  { [gdb_compile "${srcdir}/${subdir}/sum.c" "${binfile2}.o" object {debug}] != "" } {
  40      untested dbx.exp
  41      return -1
  42 }
  43
  44 if  { [gdb_compile "${binfile1}.o ${binfile2}.o" ${binfile} executable {debug}] != "" } {
  45      untested dbx.exp
  46      return -1
  47 }
  48
  49 #
  50 # start gdb -- start gdb running, default procedure
  51 #
  52 proc dbx_gdb_start { } {
  53     global verbose
  54     global GDB
  55     global GDBFLAGS
  56     global prompt
  57     global spawn_id
  58     global timeout
  59     verbose "Spawning $GDB -nw $GDBFLAGS"
  60
  61     if { [which $GDB] == 0 } then {
  62         perror "$GDB does not exist."
  63         exit 1
  64     }
  65
  66     set oldtimeout $timeout
  67     set timeout [expr "$timeout + 60"]
  68     eval "spawn $GDB -nw -dbx $GDBFLAGS"
  69     gdb_expect {
  70         -re ".*\r\n$gdb_prompt $" {
  71             verbose "GDB initialized."
  72         }
  73         -re "$prompt $" {
  74             perror "GDB never initialized."
  75             return -1
  76         }
  77         timeout         {
  78             perror "(timeout) GDB never initialized."
  79             return -1
  80         }
  81     }
  82     set timeout $oldtimeout
  83     # force the height to "unlimited", so no pagers get used
  84     send_gdb "set height 0\n"
  85     gdb_expect {
  86         -re ".*$prompt $" {
  87             verbose "Setting height to 0." 2
  88         }
  89         timeout {
  90             warning "Couldn't set the height to 0."
  91         }
  92     }
  93     # force the width to "unlimited", so no wraparound occurs
  94     send_gdb "set width 0\n"
  95     gdb_expect {
  96         -re ".*$prompt $" {
  97             verbose "Setting width to 0." 2
  98         }
  99         timeout {
 100             warning "Couldn't set the width to 0."
 101         }
 102     }
 103 }
 104
 105
 106 proc dbx_reinitialize_dir { subdir } {
 107     global gdb_prompt
 108
 109    send_gdb "use\n"
 110     gdb_expect {
 111         -re "Reinitialize source path to empty.*y or n. " {
 112             send_gdb "y\n"
 113             gdb_expect {
 114                 -re "Source directories searched.*$gdb_prompt $" {
 115                     send_gdb "use $subdir\n"
 116                     gdb_expect {
 117                         -re "Source directories searched.*$gdb_prompt $" {
 118                             verbose "Dir set to $subdir"
 119                         }
 120                         -re ".*$gdb_prompt $" {
 121                             perror "Dir \"$subdir\" failed."
 122                         }
 123                     }
 124                 }
 125                 -re ".*$gdb_prompt $" {
 126                     perror "Dir \"$subdir\" failed."
 127                 }
 128             }
 129         }
 130         -re ".*$gdb_prompt $" {
 131             perror "Dir \"$subdir\" failed."
 132         }
 133     }
 134 }
 135
 136 # In "testsuite/config/unix-gdb.exp", the routine "gdb_load"
 137 # is defined as "gdb_file_cmd".  The binding of "gdb_file_cmd"
 138 # is done at invocation time.  Before this file is processed,
 139 # it binds to the definition in "testsuite/lib/gdb.exp"; after
 140 # this file is processed, it binds to this definition.
 141 # TCL lets us overrides a previous routine definition without a
 142 # warning (isn't that special?).
 143 #
 144 # This means that tests before use "file" to load a target, and
 145 # tests afterwards use the pair "symbol-file" "exec-file".
 146 #
 147 # I'm leaving it as it is for now because at the moment it
 148 # is the only test we have of the use of the combination of
 149 # "symbol-file" and "exec-file" to load a debugging target (the
 150 # other definition uses "file".
 151 #
 152 # Symbol-file and exec-file should be tested explicitly, not
 153 # as a side effect of running a particular test (in this case,
 154 # "testsuite/gdb.compat/dbx.exp").
 155 #
 156 # CM: Renamed the procedure so it does not override the orginal file name.
 157 #     Having the test suite change behavior depending on the tests run makes
 158 #     it extremely difficult to reproduce errors. I've also added a
 159 #     "dbx_gdb_load" procedure.  This and only this test will call these
 160 #     procedures now. I also added an "expect" to the "send exec-file" line.
 161 #     The "expect" waits for a prompt to appear. Otherwise, if the tests run
 162 #     too quickly, the caller could send another command before the prompt
 163 #     of this command returns, causing the test to get out of sync and fail
 164 #     seemingly randomly or only on a loaded system.
 165 #
 166 # Problem is, though, that the testsuite config files can override the definition of
 167 # gdb_load (without notice, as was mentioned above). Unfortunately, the gdb_load proc
 168 # that was copied into this test was a copy of the unix native version.
 169 #
 170 # The real problem that we're attempting to solve is how to load an exec and symbol
 171 # file into gdb for a dbx session. So why not just override gdb_file_cmd with the
 172 # right sequence of events, allowing gdb_load to do its normal thing? This way
 173 # remotes and simulators will work, too.
 174 #
 175 # [drow 2002-03-30]: We can restore the old gdb_file_cmd afterwards, though.
 176 set old_gdb_file_cmd_args [info args gdb_file_cmd]
 177 set old_gdb_file_cmd_body [info body gdb_file_cmd]
 178
 179 proc gdb_file_cmd {arg} {
 180     global verbose
 181     global loadpath
 182     global loadfile
 183     global GDB
 184     global gdb_prompt
 185     global spawn_id
 186     upvar timeout timeout
 187
 188     if [is_remote host] {
 189         set arg [remote_download host $arg];
 190         if { $arg == "" } {
 191             error "download failed"
 192             return -1;
 193         }
 194     }
 195
 196     send_gdb "symbol-file $arg\n"
 197     gdb_expect {
 198         -re "Detected 64-bit symbol file.\r\nInvoking.*gdb64.*$gdb_prompt $" {
 199             verbose "\t\tLoaded $arg into the $GDB"
 200             send_gdb "exec-file $arg\n"
 201             gdb_expect {
 202                 -re ".*$gdb_prompt $" {
 203                     verbose "\t\tLoaded $arg with new symbol table into $GDB"
 204                     return 0
 205                 }
 206                 timeout {
 207                     perror "(timeout) Couldn't load $arg"
 208                     return -1
 209                 }
 210             }
 211             return 0
 212         }
 213         -re "Reading symbols from.*done.*$gdb_prompt $" {
 214             verbose "\t\tLoaded $arg into the $GDB"
 215             send_gdb "exec-file $arg\n"
 216             gdb_expect {
 217                 -re "A program is being debugged already.*Kill it.*y or n. $" {
 218                     send_gdb "y\n"
 219                         verbose "\t\tKilling previous program being debugged"
 220                     exp_continue
 221                 }
 222                 -re ".*$gdb_prompt $" {
 223                     verbose "\t\tLoaded $arg with new symbol table into $GDB"
 224                     return 0
 225                 }
 226                 timeout {
 227                     perror "(timeout) Couldn't load $arg"
 228                     return -1
 229                 }
 230             }
 231             return 0
 232         }
 233         -re "has no symbol-table.*$gdb_prompt $" {
 234             perror "$arg wasn't compiled with \"-g\""
 235             return -1
 236         }
 237         -re "Load new symbol table from \".*\".*y or n. $" {
 238             send_gdb "y\n"
 239             exp_continue
 240         }
 241         -re ".*No such file or directory.*$gdb_prompt $" {
 242             perror "($arg) No such file or directory\n"
 243             return -1
 244         }
 245         -re "$gdb_prompt $" {
 246             perror "couldn't load $arg into $GDB."
 247             return -1
 248             }
 249         timeout {
 250             perror "couldn't load $arg into $GDB (timed out)."
 251             return -1
 252         }
 253         eof {
 254             # This is an attempt to detect a core dump, but seems not to
 255             # work.  Perhaps we need to match .* followed by eof, in which
 256             # expect does not seem to have a way to do that.
 257             perror "couldn't load $arg into $GDB (end of file)."
 258             return -1
 259         }
 260     }
 261 }
 262
 263 #
 264 #test_breakpoints
 265 #
 266 proc test_breakpoints { } {
 267     gdb_test "stop in main" "Breakpoint.*at.*: file.*average\.c, line 38\."
 268     gdb_test "status" "Num.*Type.*Disp.*Enb.*Address.*What\r\n1\[ \r\]+breakpoint\[ \r\]+keep y.*in main at.*average\.c:38.*"
 269     gdb_test "stop at average.c:43" "Breakpoint.*at.*: file.*average\.c, line 43.*"
 270     gdb_test "stop in average.c:43" "Usage: stop in <function . address>"
 271     gdb_test "stop at main" "Usage: stop at <line>"
 272 }
 273
 274 #
 275 #test_assign
 276 #
 277 proc test_assign { } {
 278     global decimal
 279     global gdb_prompt
 280
 281     gdb_run_cmd
 282     gdb_expect 30 {
 283         -re "Break.* at .*:$decimal.*$gdb_prompt $" { pass "running to main" }
 284         -re "Breakpoint \[0-9\]*, \[0-9xa-f\]* in .*$gdb_prompt $" { pass "running to main"  }
 285         -re "$gdb_prompt $" { fail "running to main" }
 286         timeout { fail "running to main (timeout)" }
 287     }
 288     send_gdb "assign first=1\n"
 289     gdb_expect {
 290       -re "No symbol \"first\" in current context.*$" { fail "assign first" }
 291       "$gdb_prompt $" { pass "assign first" }
 292       timeout { fail "assign first (timeout)" }
 293     }
 294     gdb_test "print first" ".1 = 1"
 295 }
 296
 297 #
 298 #test_whereis
 299 #
 300 proc test_whereis { } {
 301     gdb_test "whereis my_list" "All variables matching regular expression \"my_list\":\r\n\r\nFile.*average\.c:\r\nstatic int my_list\\\[10\\\];"
 302 }
 303
 304 #
 305 #test_func
 306 #
 307 proc test_func { } {
 308     gdb_test "cont" "" "cont 1"
 309     gdb_test "step" ""
 310     # This always fails, but it's not clear why. -sts 1999-08-17
 311     setup_xfail "*-*-*"
 312     gdb_test "func sum" "'sum' not within current stack frame\."
 313     gdb_test "stop in sum" "Breakpoint.*at.*: file.*sum\.c, line 11\."
 314     gdb_test "cont" "" "cont 2"
 315     # This always fails, but it's not clear why. -sts 1999-08-17
 316     setup_xfail "*-*-*"
 317     gdb_test "func print_average" ".*in print_average.*\\(list=.*, low=0, high=6\\).*at.*average\.c:24\r\n24\[ \t\]+total = sum\\(list, low, high\\);"
 318 }
 319
 320 # Start with a fresh gdb.
 321
 322 gdb_exit
 323 global GDBFLAGS
 324 set saved_gdbflags $GDBFLAGS
 325
 326 set GDBFLAGS "$GDBFLAGS --dbx"
 327 gdb_start
 328 dbx_reinitialize_dir $srcdir/$subdir
 329 gdb_load ${binfile}
 330
 331 test_breakpoints
 332 test_assign
 333 test_whereis
 334 gdb_test "file average.c:1" "1\[ \t\]+/. This is a sample program.*"
 335 test_func
 336
 337 #exit and cleanup
 338 gdb_exit
 339
 340 set GDBFLAGS $saved_gdbflags
 341 eval proc gdb_file_cmd {$old_gdb_file_cmd_args} {$old_gdb_file_cmd_body}
 342
 343 return 0