gdb/testsuite/gdb.base/break.exp

   1 #   Copyright (C) 1988, 1990, 1991, 1992, 1994 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 $"       { fail "Deleted all breakpoints" }
  70     timeout                 { fail "Deleted all breakpoints" }
  71 }
  72
  73 #
  74 # test break at function
  75 #
  76 gdb_test "break main" \
  77     "Breakpoint.*at.* file .*$srcfile, line.*" \
  78     "breakpoint function"
  79
  80 #
  81 # test break at function in file
  82 #
  83 gdb_test "break $srcfile:factorial" \
  84     "Breakpoint.*at.* file .*$srcfile, line.*" \
  85     "breakpoint function in file"
  86
  87 #
  88 # test break at line number
  89 #
  90 gdb_test "break 60" \
  91     "Breakpoint.*at.* file .*$srcfile, line 60\\." \
  92     "breakpoint line number"
  93
  94 #
  95 # test duplicate breakpoint
  96 #
  97 gdb_test "break 60" \
  98     "Note: breakpoint \[0-9\]+ also set at pc.*Breakpoint \[0-9\]+ at.* file .*$srcfile, line 60\\." \
  99     "breakpoint duplicate"
 100
 101 #
 102 # test break at line number in file
 103 #
 104 gdb_test "break $srcfile:66" \
 105     "Breakpoint.*at.* file .*$srcfile, line 66\\." \
 106     "breakpoint line number in file"
 107
 108
 109 #
 110 # check to see what breakpoints are set
 111 #
 112 gdb_test "info break" \
 113     "Num Type\[ \]+Disp Enb Address\[ \]+What.*
 114 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:56.*
 115 \[0-9\]+\[\t \]+breakpoint     keep y.* in factorial at .*$srcfile:72.*
 116 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:60.*
 117 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:60.*
 118 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:66" \
 119     "breakpoint info"
 120
 121
 122 # FIXME: The rest of this test doesn't work with anything that can't
 123 # handle arguments.
 124 if [istarget "mips-idt-*"] then {
 125     return
 126 }
 127
 128 #
 129 # run until the breakpoint at main is hit
 130 #
 131 if [istarget "*-*-vxworks"] then {
 132     send "run vxmain \"2\"\n"
 133     set timeout 120
 134 } else {
 135         send "run 2\n"
 136 }
 137 expect {
 138     -re "Starting program.*Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:56.*56\[\t \]+if .argc.* \{.*$prompt $"\
 139                             { pass "run until function breakpoint" }
 140     -re ".*$prompt $"       { fail "run until function breakpoint" }
 141     timeout                 { fail "(timeout) run until function breakpoint" }
 142 }
 143
 144
 145 #
 146 # run until the breakpoint at a line number
 147 #
 148 send "continue\n"
 149 expect {
 150     -re "continue.*Continuing..*Breakpoint \[0-9\]+, main .argc.*argv.* at .*$srcfile:60.*
 151 60\[\t ]+printf.*factorial.*$prompt $" { pass "run until breakpoint set at a line number" }
 152     -re ".*$prompt $"       { fail "run until breakpoint set at a line number" }
 153     timeout                 { fail "(timeout) run until breakpoint set at a line number" }
 154 }
 155
 156
 157 #
 158 # Run until the breakpoint set in a function in a file
 159 #
 160 send "continue\n"
 161 expect {
 162     -re "continue.*Continuing..*Breakpoint \[0-9\]+, factorial .value=2. at .*$srcfile:72.*72\[\t ]+if .value > 1. \{.*$prompt $"\
 163         { send "continue\n"
 164             expect {
 165                 -re "continue.*Continuing..*Breakpoint \[0-9\]+, factorial .value=1. at .*$srcfile:72.*72\[\t ]+if .value > 1.*$prompt $" { pass "run until file:function breakpoint" }
 166                 -re ".*$prompt $"       { fail "run until file:function breakpoint" }
 167                 timeout             { fail "(timeout) run until file:function breakpoint" }
 168             }
 169         }
 170     -re ".*$prompt $"       { fail "run until file:function breakpoint" }
 171     timeout                 { fail "(timeout) run until file:function breakpoint" }
 172 }
 173
 174
 175 #
 176 # run until the file:function breakpoint at a line number in a file
 177 #
 178 send "continue\n"
 179 expect {
 180     -re "continue.*Continuing..*Breakpoint \[0-9\]+, main .*argc.*argv.* at .*$srcfile:66.*66\[\t ]+return 0;.*$prompt $" { pass "run until file:linenum breakpoint" }
 181     -re ".*$prompt $"       { fail "run until file:linenum breakpoint" }
 182     timeout                 { fail "(timeout) run until file:linenum breakpoint" }
 183 }
 184
 185
 186 #
 187 # delete all breakpoints so we can start over, course this can be a test too
 188 #
 189 send "delete breakpoints\n"
 190 expect {
 191     -re "Delete all breakpoints.*y or n.*$" {
 192         send "y\n"
 193         expect {
 194             -re ".*$prompt $" {
 195                 send "info breakpoints\n"
 196                 expect {
 197                     -re "No breakpoints or watchpoints..*$prompt $" {
 198                         pass "Deleted all breakpoints"
 199                     }
 200                     -re ".*$prompt $"       { fail "Deleted all breakpoints" }
 201                     timeout                 { fail "Deleted all breakpoints" }
 202                 }
 203             }
 204             timeout                 { fail "Deleted all breakpoints" }
 205         }
 206     }
 207     -re ".*$prompt $"       { fail "Deleted all breakpoints" }
 208     timeout                 { fail "Deleted all breakpoints" }
 209 }
 210
 211
 212 #
 213 # test temporary breakpoint at function
 214 #
 215 send "tbreak main\n"
 216 expect {
 217     -re "Breakpoint.*at.* file .*$srcfile, line.*$prompt $" {
 218         pass "Temporary breakpoint function"
 219     }
 220     -re ".*$prompt $" {
 221         pass "Temporary breakpoint function"
 222     }
 223     timeout {
 224         fail "(timeout) breakpoint function"
 225     }
 226 }
 227
 228
 229 #
 230 # test break at function in file
 231 #
 232 send "tbreak $srcfile:factorial\n"
 233 expect {
 234     -re "Breakpoint.*at.* file .*$srcfile, line.*$prompt $" {
 235         pass "Temporary breakpoint function in file"
 236     }
 237     -re ".*$prompt $" {
 238         pass "Temporary breakpoint function in file"
 239     }
 240     timeout {
 241         fail "(timeout) breakpoint function in file"
 242     }
 243 }
 244
 245
 246 #
 247 # test break at line number
 248 #
 249 send "tbreak 60\n"
 250 expect {
 251     -re "Breakpoint.*at.* file .*$srcfile, line 60.*$prompt $" { pass "Temporary breakpoint line number" }
 252         -re ".*$prompt $"   { pass "Temporary breakpoint line number" }
 253         timeout     { fail "(timeout) breakpoint line number" }
 254 }
 255
 256
 257 #
 258 # test break at line number in file
 259 #
 260 send "tbreak $srcfile:66\n"
 261 expect {
 262     -re "Breakpoint.*at.* file .*$srcfile, line 66.*$prompt $" { pass "Temporary breakpoint line number in file" }
 263         -re ".*$prompt $"   { pass "Temporary breakpoint line number in file" }
 264         timeout     { fail "(timeout) breakpoint line number in file" }
 265 }
 266
 267
 268 #
 269 # check to see what breakpoints are set (temporary this time)
 270 #
 271 send "info break\n"
 272 expect {
 273     -re "Num Type.*Disp Enb Address.*What.*
 274 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:56.*
 275 \[0-9\]+\[\t \]+breakpoint     del.*y.*in factorial at .*$srcfile:72.*
 276 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:60.*
 277 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:66.*$prompt $" {
 278         pass "Temporary breakpoint info"
 279     }
 280     -re ".*$prompt $"   { fail "Temporary breakpoint info" }
 281     timeout         { fail "(timeout) Temporary breakpoint info" }
 282 }
 283
 284
 285 proc test_clear_command {} {
 286     gdb_test "break main" "Breakpoint.*at.*"
 287     gdb_test "break main" "Breakpoint.*at.*"
 288
 289     # We don't test that it deletes the correct breakpoints.  We do at
 290     # least test that it deletes more than one breakpoint.
 291     gdb_test "clear main" {Deleted breakpoints [0-9]+ [0-9]+.*}
 292 }
 293
 294 #
 295 # Test "next" over recursive function call.
 296 #
 297
 298 proc test_next_with_recursion {} {
 299    global prompt
 300    global decimal
 301
 302 # FIXME: should be using runto
 303     send "kill\n"
 304     expect {
 305         -re ".*Kill the program being debugged.*y or n. $" {
 306             send "y\n"
 307             exp_continue
 308         }
 309         -re ".*$prompt $" {}
 310         timeout { fail "killing inferior" ; return }
 311     }
 312
 313     delete_breakpoints
 314
 315     send "break factorial\n"
 316     expect {
 317         -re "Breakpoint $decimal at .*$prompt" {}
 318         timeout { fail "break at factorial" ; return }
 319     }
 320
 321     # Run until we call factorial with 6
 322
 323     if [istarget "*-*-vxworks"] then {
 324         send "run vxmain \"6\"\n"
 325     } else {
 326             send "run 6\n"
 327     }
 328     expect {
 329         -re "Starting .*Break.* factorial .value=6. .*$prompt $" {}
 330         timeout { fail "run to factorial(6)" ; return }
 331     }
 332
 333     # Continue until we call factorial recursively with 5.
 334
 335     send "continue\n"
 336     expect {
 337         -re "Continuing.*Break.* factorial .value=5. .*$prompt $" {}
 338         timeout { fail "continue to factorial(5)" ; return }
 339     }
 340
 341     # Do a backtrace just to confirm how many levels deep we are.
 342
 343     set result [gdb_test "backtrace" \
 344                         "#0\[ \t\]+ factorial .value=5..*" \
 345                         "backtrace from factorial(5)"]
 346     if $result!=0 then { return }
 347
 348     # Now a "next" should position us at the recursive call, which
 349     # we will be performing with 4.
 350
 351     send "next\n"
 352     expect {
 353         -re ".* factorial .value - 1.;.*$prompt $" {}
 354         timeout { fail "next to recursive call (timeout)" ; return }
 355     }
 356
 357     # Disable the breakpoint at the entry to factorial by deleting them all.
 358     # The "next" should run until we return to the next line from this
 359     # recursive call to factorial with 4.
 360     # Buggy versions of gdb will stop instead at the innermost frame on
 361     # the line where we are trying to "next" to.
 362
 363     delete_breakpoints
 364
 365     send "next\n"
 366     expect {
 367         -re "return .value.;.*$prompt $" {
 368             # Note that the correct behavior is for GDB to *not* print the
 369             # frame.
 370             pass "next over recursive call"
 371         }
 372         -re ".*$prompt $" {
 373             fail "next over recursive call" ; return
 374         }
 375         timeout { fail "next over recursive call (timeout)" ; return }
 376     }
 377
 378     # OK, we should be back in the same stack frame we started from.
 379     # Do a backtrace just to confirm.
 380
 381     set result [gdb_test "backtrace" \
 382                          "#0\[ \t\]+ factorial .value=120.*\r\n#1\[ \t\]+ \[0-9a-fx\]+ in factorial .value=6..*" \
 383                          "backtrace from factorial(5)"]
 384     if $result!=0 then { return }
 385
 386     # Continue until we exit.  Should not stop again.
 387     gdb_test "continue" "Continuing.\r\n720\r\n\r\nProgram exited normally\\."\
 388                 "continue until exit in recursive next test"
 389 }
 390
 391 test_clear_command
 392 test_next_with_recursion
 393
 394 # Reset the default arguments for VxWorks
 395 if [istarget "*-*-vxworks"] then {
 396     set timeout 10
 397     send "set args main\n"
 398     expect -re ".*$prompt $" {}
 399 }