gdb/testsuite/gdb.base/break.exp

   1 #   Copyright (C) 1988, 1990, 1991, 1992 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., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  16
  17 # Please email any bugs, comments, and/or additions to this file to:
  18 # bug-gdb@prep.ai.mit.edu
  19
  20 # This file was written by Rob Savoye. (rob@cygnus.com)
  21
  22 if $tracelevel then {
  23         strace $tracelevel
  24         }
  25
  26 #
  27 # test running programs
  28 #
  29 set prms_id 0
  30 set bug_id 0
  31
  32 set binfile "break"
  33 set srcfile $binfile.c
  34
  35 if ![file exists $objdir/$subdir/$binfile] then {
  36     perror "$objdir/$subdir/$binfile does not exist."
  37     return 0
  38 }
  39
  40 gdb_exit
  41 gdb_start
  42 gdb_reinitialize_dir $srcdir/$subdir
  43 gdb_load $objdir/$subdir/$binfile
  44
  45 #
  46 # test simple breakpoint setting commands
  47 #
  48
  49 #
  50 # test deleting all breakpoints; note that gdb-init.exp provides a
  51 # "delete_breakpoints" proc for general use elsewhere
  52 #
  53 send "delete breakpoints\n"
  54 expect {
  55     -re "Delete all breakpoints.*y or n. $"\
  56         { send "y\n"
  57             expect {
  58                 -re ".*$prompt $"\
  59                     { send "info breakpoints\n"
  60                         expect {
  61                             -re "No breakpoints or watchpoints..*$prompt $" { pass "Deleted all breakpoints" }
  62                             -re ".*$prompt $"       { fail "Deleted all breakpoints" }
  63                             timeout                 { fail "Deleted all breakpoints" }
  64                         }
  65                     }
  66                 timeout             { fail "Deleted all breakpoints" }
  67             }
  68         }
  69     -re ".*$prompt $"       { fail "Deleted all breakpoints" }
  70     timeout                 { fail "Deleted all breakpoints" }
  71 }
  72
  73 #
  74 # test break at function
  75 #
  76 send "break main\n"
  77 expect {
  78     -re "Breakpoint.*at.* file .*$srcfile, line.*$prompt $" { pass "breakpoint function" }
  79         -re ".*$prompt $"   { fail "breakpoint function" }
  80         timeout     { fail "(timeout) breakpoint function" }
  81 }
  82
  83
  84 #
  85 # test break at function in file
  86 #
  87 send "break $srcfile:factorial\n"
  88 expect {
  89     -re "Breakpoint.*at.* file .*$srcfile, line.*$prompt $" { pass "breakpoint function in file" }
  90         -re ".*$prompt $"   { fail "breakpoint function in file" }
  91         timeout     { fail "(timeout) breakpoint function in file" }
  92 }
  93
  94
  95 #
  96 # test break at line number
  97 #
  98 send "break 60\n"
  99 expect {
 100     -re "Breakpoint.*at.* file .*$srcfile, line 60.*$prompt $" { pass "breakpoint line number" }
 101         -re ".*$prompt $"   { fail "breakpoint line number" }
 102         timeout     { fail "(timeout) breakpoint line number" }
 103 }
 104
 105
 106 #
 107 # test duplicate breakpoint
 108 #
 109 send "break 60\n"
 110 expect {
 111     -re "Note: breakpoint \[0-9\]+ also set at pc.*Breakpoint \[0-9\]+ at.* file .*$srcfile, line 60.*$prompt $"\
 112                             { pass "breakpoint duplicate" }
 113         -re ".*$prompt $"   { fail "breakpoint duplicate" }
 114         timeout     { fail "(timeout) breakpoint duplicate" }
 115 }
 116
 117
 118 #
 119 # test break at line number in file
 120 #
 121 send "break $srcfile:66\n"
 122 expect {
 123     -re "Breakpoint.*at.* file .*$srcfile, line 66.*$prompt $" { pass "breakpoint line number in file" }
 124         -re ".*$prompt $"   { fail "breakpoint line number in file" }
 125         timeout     { fail "(timeout) breakpoint line number in file" }
 126 }
 127
 128
 129 #
 130 # check to see what breakpoints are set
 131 #
 132 send "info break\n"
 133 expect {
 134     -re "Num Type\[ \]+Disp Enb Address\[ \]+What.*
 135 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:56.*
 136 \[0-9\]+\[\t \]+breakpoint     keep y.* in factorial at .*$srcfile:72.*
 137 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:60.*
 138 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:60.*
 139 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:66.*$prompt $" { pass "breakpoint info" }
 140         -re ".*$prompt $"   { fail "breakpoint info" }
 141         timeout     { fail "(timeout) breakpoint info" }
 142 }
 143
 144
 145 # FIXME: The rest of this test doesn't work with anything that can't
 146 # handle arguments.
 147 if [istarget "mips-idt-*"] then {
 148     return
 149 }
 150
 151 #
 152 # run until the breakpoint at main is hit
 153 #
 154 if [istarget "*-*-vxworks"] then {
 155     send "run vxmain \"2\"\n"
 156     set timeout 120
 157 } else {
 158         send "run 2\n"
 159 }
 160 expect {
 161     -re "Starting program.*Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:56.*56\[\t \]+if .argc.* \{.*$prompt $"\
 162                             { pass "run until function breakpoint" }
 163     -re ".*$prompt $"       { fail "run until function breakpoint" }
 164     timeout                 { fail "(timeout) run until function breakpoint" }
 165 }
 166
 167
 168 #
 169 # run until the breakpoint at a line number
 170 #
 171 send "continue\n"
 172 expect {
 173     -re "continue.*Continuing..*Breakpoint \[0-9\]+, main .argc.*argv.* at .*$srcfile:60.*
 174 60\[\t ]+printf.*factorial.*$prompt $" { pass "run until breakpoint set at a line number" }
 175     -re ".*$prompt $"       { fail "run until breakpoint set at a line number" }
 176     timeout                 { fail "(timeout) run until breakpoint set at a line number" }
 177 }
 178
 179
 180 #
 181 # Run until the breakpoint set in a function in a file
 182 #
 183 send "continue\n"
 184 expect {
 185     -re "continue.*Continuing..*Breakpoint \[0-9\]+, factorial .value=2. at .*$srcfile:72.*72\[\t ]+if .value > 1. \{.*$prompt $"\
 186         { send "continue\n"
 187             expect {
 188                 -re "continue.*Continuing..*Breakpoint \[0-9\]+, factorial .value=1. at .*$srcfile:72.*72\[\t ]+if .value > 1.*$prompt $" { pass "run until file:function breakpoint" }
 189                 -re ".*$prompt $"       { fail "run until file:function breakpoint" }
 190                 timeout             { fail "(timeout) run until file:function breakpoint" }
 191             }
 192         }
 193     -re ".*$prompt $"       { fail "run until file:function breakpoint" }
 194     timeout                 { fail "(timeout) run until file:function breakpoint" }
 195 }
 196
 197
 198 #
 199 # run until the file:function breakpoint at a line number in a file
 200 #
 201 send "continue\n"
 202 expect {
 203     -re "continue.*Continuing..*Breakpoint \[0-9\]+, main .*argc.*argv.* at .*$srcfile:66.*66\[\t ]+return 0;.*$prompt $" { pass "run until file:linenum breakpoint" }
 204     -re ".*$prompt $"       { fail "run until file:linenum breakpoint" }
 205     timeout                 { fail "(timeout) run until file:linenum breakpoint" }
 206 }
 207
 208
 209 #
 210 # delete all breakpoints so we can start over, course this can be a test too
 211 #
 212 send "delete breakpoints\n"
 213 expect {
 214     -re "Delete all breakpoints.*y or n.*$" {
 215         send "y\n"
 216         expect {
 217             -re ".*$prompt $" {
 218                 send "info breakpoints\n"
 219                 expect {
 220                     -re "No breakpoints or watchpoints..*$prompt $" {
 221                         pass "Deleted all breakpoints"
 222                     }
 223                     -re ".*$prompt $"       { fail "Deleted all breakpoints" }
 224                     timeout                 { fail "Deleted all breakpoints" }
 225                 }
 226             }
 227             timeout                 { fail "Deleted all breakpoints" }
 228         }
 229     }
 230     -re ".*$prompt $"       { fail "Deleted all breakpoints" }
 231     timeout                 { fail "Deleted all breakpoints" }
 232 }
 233
 234
 235 #
 236 # test temporary breakpoint at function
 237 #
 238 send "tbreak main\n"
 239 expect {
 240     -re "Breakpoint.*at.* file .*$srcfile, line.*$prompt $" {
 241         pass "Temporary breakpoint function"
 242     }
 243     -re ".*$prompt $" {
 244         pass "Temporary breakpoint function"
 245     }
 246     timeout {
 247         fail "(timeout) breakpoint function"
 248     }
 249 }
 250
 251
 252 #
 253 # test break at function in file
 254 #
 255 send "tbreak $srcfile:factorial\n"
 256 expect {
 257     -re "Breakpoint.*at.* file .*$srcfile, line.*$prompt $" {
 258         pass "Temporary breakpoint function in file"
 259     }
 260     -re ".*$prompt $" {
 261         pass "Temporary breakpoint function in file"
 262     }
 263     timeout {
 264         fail "(timeout) breakpoint function in file"
 265     }
 266 }
 267
 268
 269 #
 270 # test break at line number
 271 #
 272 send "tbreak 60\n"
 273 expect {
 274     -re "Breakpoint.*at.* file .*$srcfile, line 60.*$prompt $" { pass "Temporary breakpoint line number" }
 275         -re ".*$prompt $"   { pass "Temporary breakpoint line number" }
 276         timeout     { fail "(timeout) breakpoint line number" }
 277 }
 278
 279
 280 #
 281 # test break at line number in file
 282 #
 283 send "tbreak $srcfile:66\n"
 284 expect {
 285     -re "Breakpoint.*at.* file .*$srcfile, line 66.*$prompt $" { pass "Temporary breakpoint line number in file" }
 286         -re ".*$prompt $"   { pass "Temporary breakpoint line number in file" }
 287         timeout     { fail "(timeout) breakpoint line number in file" }
 288 }
 289
 290
 291 #
 292 # check to see what breakpoints are set (temporary this time)
 293 #
 294 send "info break\n"
 295 expect {
 296     -re "Num Type.*Disp Enb Address.*What.*
 297 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:56.*
 298 \[0-9\]+\[\t \]+breakpoint     del.*y.*in factorial at .*$srcfile:72.*
 299 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:60.*
 300 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:66.*$prompt $" {
 301         pass "Temporary breakpoint info"
 302     }
 303     -re ".*$prompt $"   { fail "Temporary breakpoint info" }
 304     timeout         { fail "(timeout) Temporary breakpoint info" }
 305 }
 306
 307
 308 proc test_clear_command {} {
 309     gdb_test "break main" "Breakpoint.*at"
 310     gdb_test "break main" "Breakpoint.*at"
 311
 312     # We don't test that it deletes the correct breakpoints.  We do at
 313     # least test that it deletes more than one breakpoint.
 314     gdb_test "clear main" {Deleted breakpoints [0-9]+ [0-9]+}
 315 }
 316
 317 #
 318 # Test "next" over recursive function call.
 319 #
 320
 321 proc test_next_with_recursion {} {
 322    global prompt
 323    global decimal
 324
 325 # FIXME: should be using runto
 326     send "kill\n"
 327     expect {
 328         -re ".*Kill the program being debugged.*y or n. $" {
 329             send "y\n"
 330             exp_continue
 331         }
 332         -re ".*$prompt $" {}
 333         timeout { fail "killing inferior" ; return }
 334     }
 335
 336     delete_breakpoints
 337
 338     send "break factorial\n"
 339     expect {
 340         -re "Breakpoint $decimal at .*$prompt" {}
 341         timeout { fail "break at factorial" ; return }
 342     }
 343
 344     # Run until we call factorial with 6
 345
 346     if [istarget "*-*-vxworks"] then {
 347         send "run vxmain \"6\"\n"
 348     } else {
 349             send "run 6\n"
 350     }
 351     expect {
 352         -re "Starting .*Break.* factorial .value=6. .*$prompt $" {}
 353         timeout { fail "run to factorial(6)" ; return }
 354     }
 355
 356     # Continue until we call factorial recursively with 5.
 357
 358     send "continue\n"
 359     expect {
 360         -re "Continuing.*Break.* factorial .value=5. .*$prompt $" {}
 361         timeout { fail "continue to factorial(5)" ; return }
 362     }
 363
 364     # Do a backtrace just to confirm how many levels deep we are.
 365
 366     set result [gdb_test "backtrace" \
 367                         "#0\[ \t\]+ factorial .value=5." \
 368                         "backtrace from factorial(5)"]
 369     if $result!=0 then { return }
 370
 371     # Now a "next" should position us at the recursive call, which
 372     # we will be performing with 4.
 373
 374     send "next\n"
 375     expect {
 376         -re ".* factorial .value - 1.;.*$prompt $" {}
 377         timeout { fail "next to recursive call (timeout)" ; return }
 378     }
 379
 380     # Disable the breakpoint at the entry to factorial by deleting them all.
 381     # The "next" should run until we return to the next line from this
 382     # recursive call to factorial with 4.
 383     # Buggy versions of gdb will stop instead at the innermost frame on
 384     # the line where we are trying to "next" to.
 385
 386     delete_breakpoints
 387
 388     send "next\n"
 389     expect {
 390         -re "return .value.;.*$prompt $" {
 391             # Note that the correct behavior is for GDB to *not* print the
 392             # frame.
 393             pass "next over recursive call"
 394         }
 395         -re ".*$prompt $" {
 396             fail "next over recursive call" ; return
 397         }
 398         timeout { fail "next over recursive call (timeout)" ; return }
 399     }
 400
 401     # OK, we should be back in the same stack frame we started from.
 402     # Do a backtrace just to confirm.
 403
 404     set result [gdb_test "backtrace" \
 405                          "#0\[ \t\]+ factorial .value=120.*\r\n#1\[ \t\]+ \[0-9a-fx\]+ in factorial .value=6." \
 406                          "backtrace from factorial(5)"]
 407     if $result!=0 then { return }
 408
 409     # Continue until we exit.  Should not stop again.
 410     gdb_test "continue" "Continuing.\r\n720"\
 411                 "continue until exit in recursive next test"
 412 }
 413
 414 test_clear_command
 415 test_next_with_recursion
 416
 417 # Reset the default arguments for VxWorks
 418 if [istarget "*-*-vxworks"] then {
 419     set timeout 10
 420     send "set args main\n"
 421     expect -re ".*$prompt $" {}
 422 }
 423
 424 if [istarget "a29k-*-udi"] then {
 425     # FIXME: If PR 2415 is fixed, this is not needed.
 426     gdb_target_udi
 427 }