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 64" \
  91     "Breakpoint.*at.* file .*$srcfile, line 64\\." \
  92     "breakpoint line number"
  93
  94 #
  95 # test duplicate breakpoint
  96 #
  97 gdb_test "break 64" \
  98     "Note: breakpoint \[0-9\]+ also set at pc.*Breakpoint \[0-9\]+ at.* file .*$srcfile, line 64\\." \
  99     "breakpoint duplicate"
 100
 101 #
 102 # test break at line number in file
 103 #
 104 gdb_test "break $srcfile:70" \
 105     "Breakpoint.*at.* file .*$srcfile, line 70\\." \
 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:60.*
 115 \[0-9\]+\[\t \]+breakpoint     keep y.* in factorial at .*$srcfile:76.*
 116 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:64.*
 117 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:64.*
 118 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:70" \
 119     "breakpoint info"
 120
 121
 122 # FIXME: The rest of this test doesn't work with anything that can't
 123 # handle arguments.
 124 if [istarget "mips-idt-*"] then {
 125     return
 126 }
 127
 128 #
 129 # run until the breakpoint at main is hit. For non-stubs-using targets.
 130 #
 131 if !$usestubs then {
 132   if [istarget "*-*-vxworks*"] then {
 133     send "run vxmain \"2\"\n"
 134     set timeout 120
 135   } else {
 136         send "run\n"
 137   }
 138   expect {
 139     -re "Starting program.*Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:60.*60\[\t \]+if .argc.* \{.*$prompt $"\
 140                             { pass "run until function breakpoint" }
 141     -re ".*$prompt $"       { fail "run until function breakpoint" }
 142     timeout                 { fail "(timeout) run until function breakpoint" }
 143   }
 144 }
 145
 146 if $usestubs {
 147     gdb_test $cmd "Starting program.*Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:56.*56\[\t \]+if .argc.*" \
 148         "run until function breakpoint"
 149 }
 150
 151 #
 152 # run until the breakpoint at a line number
 153 #
 154 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:64.*64\[\t \]+printf.*factorial.*" \
 155                         "run until breakpoint set at a line number"
 156
 157 #
 158 # Run until the breakpoint set in a function in a file
 159 #
 160 for {set i 6} {$i >= 1} {incr i -1} {
 161         gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, factorial \\(value=$i\\) at .*$srcfile:76.*76\[\t \]+if .value > 1. \{" \
 162                         "run until file:function($i) breakpoint"
 163 }
 164
 165 #
 166 # run until the file:function breakpoint at a line number in a file
 167 #
 168 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:70.*70\[\t \]+return 0;" \
 169                 "run until file:linenum breakpoint"
 170
 171 #
 172 # delete all breakpoints so we can start over, course this can be a test too
 173 #
 174 send "delete breakpoints\n"
 175 expect {
 176     -re "Delete all breakpoints.*y or n.*$" {
 177         send "y\n"
 178         expect {
 179             -re ".*$prompt $" {
 180                 send "info breakpoints\n"
 181                 expect {
 182                     -re "No breakpoints or watchpoints..*$prompt $" {
 183                         pass "Deleted all breakpoints"
 184                     }
 185                     -re ".*$prompt $"       { fail "Deleted all breakpoints" }
 186                     timeout                 { fail "Deleted all breakpoints" }
 187                 }
 188             }
 189             timeout                 { fail "Deleted all breakpoints" }
 190         }
 191     }
 192     -re ".*$prompt $"       { fail "Deleted all breakpoints" }
 193     timeout                 { fail "Deleted all breakpoints" }
 194 }
 195
 196
 197 #
 198 # test temporary breakpoint at function
 199 #
 200
 201 gdb_test "tbreak main" "Breakpoint.*at.* file .*$srcfile, line.*" "Temporary breakpoint function"
 202
 203 #
 204 # test break at function in file
 205 #
 206
 207 gdb_test "tbreak $srcfile:factorial" "Breakpoint.*at.* file .*$srcfile, line.*" \
 208         "Temporary breakpoint function in file"
 209
 210 #
 211 # test break at line number
 212 #
 213 send "tbreak 64\n"
 214 expect {
 215     -re "Breakpoint.*at.* file .*$srcfile, line 64.*$prompt $" { pass "Temporary breakpoint line number" }
 216         -re ".*$prompt $"   { pass "Temporary breakpoint line number" }
 217         timeout     { fail "(timeout) breakpoint line number" }
 218 }
 219
 220 gdb_test "tbreak 60" "Breakpoint.*at.* file .*$srcfile, line 60.*" "Temporary breakpoint line number"
 221
 222 #
 223 # test break at line number in file
 224 #
 225 send "tbreak $srcfile:70\n"
 226 expect {
 227     -re "Breakpoint.*at.* file .*$srcfile, line 70.*$prompt $" { pass "Temporary breakpoint line number in file" }
 228         -re ".*$prompt $"   { pass "Temporary breakpoint line number in file" }
 229         timeout     { fail "(timeout) breakpoint line number in file" }
 230 }
 231
 232 gdb_test  "tbreak $srcfile:66" "Breakpoint.*at.* file .*$srcfile, line 66.*" "Temporary breakpoint line number in file"
 233
 234 #
 235 # check to see what breakpoints are set (temporary this time)
 236 #
 237 send "info break\n"
 238 expect {
 239     -re "Num Type.*Disp Enb Address.*What.*
 240 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:60.*
 241 \[0-9\]+\[\t \]+breakpoint     del.*y.*in factorial at .*$srcfile:76.*
 242 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:64.*
 243 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:70.*$prompt $" {
 244         pass "Temporary breakpoint info"
 245     }
 246     -re ".*$prompt $"   { fail "Temporary breakpoint info" }
 247     timeout         { fail "(timeout) Temporary breakpoint info" }
 248 }
 249
 250 proc test_clear_command {} {
 251     gdb_test "break main" "Breakpoint.*at.*"
 252     gdb_test "break main" "Breakpoint.*at.*"
 253
 254     # We don't test that it deletes the correct breakpoints.  We do at
 255     # least test that it deletes more than one breakpoint.
 256     gdb_test "clear main" {Deleted breakpoints [0-9]+ [0-9]+.*}
 257 }
 258
 259 #
 260 # Test "next" over recursive function call.
 261 #
 262
 263 proc test_next_with_recursion {} {
 264    global prompt
 265    global decimal
 266
 267 # FIXME: should be using runto
 268     send "kill\n"
 269     expect {
 270         -re ".*Kill the program being debugged.*y or n. $" {
 271             send "y\n"
 272             exp_continue
 273         }
 274         -re ".*$prompt $" {}
 275         timeout { fail "killing inferior" ; return }
 276     }
 277
 278     delete_breakpoints
 279
 280     gdb_test "break factorial" "Breakpoint $decimal at .*" "break at factorial"
 281
 282     # Run until we call factorial with 6
 283
 284     if [istarget "*-*-vxworks*"] then {
 285         send "run vxmain \"6\"\n"
 286     } else {
 287             send "run\n"
 288     }
 289     expect {
 290         -re "Starting .*Break.* factorial .value=6. .*$prompt $" {}
 291         timeout { fail "run to factorial(6)" ; return }
 292     }
 293
 294     # Continue until we call factorial recursively with 5.
 295
 296     send "continue\n"
 297     expect {
 298         -re "Continuing.*Break.* factorial .value=5. .*$prompt $" {}
 299         timeout { fail "continue to factorial(5)" ; return }
 300     }
 301
 302     # Do a backtrace just to confirm how many levels deep we are.
 303
 304     set result [gdb_test "backtrace" \
 305                         "#0\[ \t\]+ factorial .value=5..*" \
 306                         "backtrace from factorial(5)"]
 307     if $result!=0 then { return }
 308
 309     # Now a "next" should position us at the recursive call, which
 310     # we will be performing with 4.
 311
 312     send "next\n"
 313     expect {
 314         -re ".* factorial .value - 1.;.*$prompt $" {}
 315         timeout { fail "next to recursive call (timeout)" ; return }
 316     }
 317
 318     # Disable the breakpoint at the entry to factorial by deleting them all.
 319     # The "next" should run until we return to the next line from this
 320     # recursive call to factorial with 4.
 321     # Buggy versions of gdb will stop instead at the innermost frame on
 322     # the line where we are trying to "next" to.
 323
 324     delete_breakpoints
 325
 326     gdb_test next "\[0-9\]*\[\t \]+return \\(value\\);.*" \
 327         "next over recursive call"
 328
 329     # OK, we should be back in the same stack frame we started from.
 330     # Do a backtrace just to confirm.
 331
 332     set result [gdb_test "backtrace" \
 333                          "#0\[ \t\]+ factorial .value=120.*\r\n#1\[ \t\]+ \[0-9a-fx\]+ in factorial .value=6..*" \
 334                          "backtrace from factorial(5)"]
 335     if $result!=0 then { return }
 336
 337     # Continue until we exit.  Should not stop again.
 338     gdb_test "continue" "Continuing.\r\n720\r\n\r\nProgram exited normally\\."\
 339                 "continue until exit in recursive next test"
 340 }
 341
 342 test_clear_command
 343 test_next_with_recursion
 344
 345 # Reset the default arguments for VxWorks
 346 if [istarget "*-*-vxworks*"] then {
 347     set timeout 10
 348     send "set args main\n"
 349     expect -re ".*$prompt $" {}
 350 }