gdb/testsuite/gdb.base/jump.exp

   1 #   Copyright 1998, 1999, 2007, 2008, 2009 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 3 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, see <http://www.gnu.org/licenses/>.  */
  15
  16 if $tracelevel then {
  17         strace $tracelevel
  18         }
  19
  20 set prms_id 0
  21 set bug_id 0
  22
  23 clear_xfail "*-*-*"
  24
  25 set testfile "jump"
  26 set srcfile ${testfile}.c
  27 set binfile ${objdir}/${subdir}/${testfile}
  28
  29 # Build the test case
  30 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
  31      untested jump.exp
  32      return -1
  33     }
  34
  35
  36 # Start with a fresh gdb
  37
  38 gdb_exit
  39 gdb_start
  40 gdb_reinitialize_dir $srcdir/$subdir
  41 gdb_load ${binfile}
  42
  43 if ![runto_main] then {
  44   perror "Couldn't run to main"
  45   return -1
  46 }
  47
  48 # Set a breakpoint on the statement that we're about to jump to.
  49 # The statement doesn't contain a function call.
  50 #
  51 send_gdb "break 22\n"
  52 set bp_on_non_call 0
  53 gdb_expect {
  54   -re "\[Bb\]reakpoint (\[0-9\]*) at 0x\[0-9a-fA-F\]*: file .*${srcfile}, line 22.*$gdb_prompt $"\
  55           {set bp_on_non_call $expect_out(1,string)
  56            pass "break before jump to non-call"}
  57   -re "$gdb_prompt $"\
  58           {fail "break before jump to non-call"}
  59   timeout {fail "(timeout) break before jump to non-call"}
  60 }
  61
  62 # Can we jump to the statement?  Do we stop there?
  63 #
  64 send_gdb "jump 22\n"
  65 gdb_expect {
  66   -re "Breakpoint \[0-9\]*, .*${srcfile}:22.*$gdb_prompt $"\
  67           {pass "jump to non-call"}
  68   -re "$gdb_prompt $"\
  69           {fail "jump to non-call"}
  70   timeout {fail "(timeout) jump to non-call"}
  71 }
  72
  73 # Set a breakpoint on the statement that we're about to jump to.
  74 # The statement does contain a function call.
  75 #
  76 send_gdb "break 21\n"
  77 set bp_on_call 0
  78 gdb_expect {
  79   -re "\[Bb\]reakpoint (\[0-9\]*) at 0x\[0-9a-fA-F\]*: file .*${srcfile}, line 21.*$gdb_prompt $"\
  80           {set bp_on_call $expect_out(1,string)
  81            pass "break before jump to call"}
  82   -re "$gdb_prompt $"\
  83           {fail "break before jump to call"}
  84   timeout {fail "(timeout) break before jump to call"}
  85 }
  86
  87 # Can we jump to the statement?  Do we stop there?
  88 #
  89 send_gdb "jump 21\n"
  90 gdb_expect {
  91   -re "Breakpoint \[0-9\]*, .*${srcfile}:21.*$gdb_prompt $"\
  92           {pass "jump to call"}
  93   -re "$gdb_prompt $"\
  94           {fail "jump to call"}
  95   timeout {fail "(timeout) jump to call"}
  96 }
  97
  98 # If we disable the breakpoint at the function call, and then
  99 # if we jump to that statement, do we not stop there, but at
 100 # the following breakpoint?
 101 #
 102 send_gdb "disable $bp_on_call\n"
 103 gdb_expect {
 104   -re "$gdb_prompt $"\
 105           {pass "disable breakpoint on call"}
 106   timeout {fail "(timeout) disable breakpoint on call"}
 107 }
 108
 109 send_gdb "jump 21\n"
 110 gdb_expect {
 111   -re "Breakpoint \[0-9\]*, .*${srcfile}:22.*$gdb_prompt $"\
 112           {pass "jump to call with disabled breakpoint"}
 113   -re "$gdb_prompt $"\
 114           {fail "jump to call with disabled breakpoint"}
 115   timeout {fail "(timeout) jump to call with disabled breakpoint"}
 116 }
 117
 118 # Verify that GDB responds gracefully to the "jump" command without
 119 # an argument.
 120 #
 121 send_gdb "jump\n"
 122 gdb_expect {
 123   -re "Argument required .starting address..*$gdb_prompt $"\
 124           {pass "jump without argument disallowed"}
 125   -re "$gdb_prompt $"\
 126           {fail "jump without argument disallowed"}
 127   timeout {fail "(timeout) jump without argument disallowed"}
 128 }
 129
 130 # Verify that GDB responds gracefully to the "jump" command with
 131 # trailing junk.
 132 #
 133 send_gdb "jump 21 100\n"
 134 gdb_expect {
 135   -re "Junk at end of line specification: 100.*$gdb_prompt $"\
 136           {pass "jump with trailing argument junk"}
 137   -re "$gdb_prompt $"\
 138           {fail "jump with trailing argument junk"}
 139   timeout {fail "(timeout) jump with trailing argument junk"}
 140 }
 141
 142 # Verify that GDB responds gracefully to a request to jump out of
 143 # the current function.  (Note that this will very likely cause the
 144 # inferior to die.  Be prepared to rerun the inferior, if further
 145 # testing is desired.)
 146 #
 147 # Try it both ways: confirming and not confirming the jump.
 148 #
 149 send_gdb "jump 12\n"
 150 gdb_expect {
 151   -re "Line 12 is not in `main'.  Jump anyway.*y or n. $"\
 152           {send_gdb "n\n"
 153            gdb_expect {
 154              -re "Not confirmed.*$gdb_prompt $"\
 155                      {pass "aborted jump out of current function"}
 156              -re "$gdb_prompt $"\
 157                      {fail "aborted jump out of current function"}
 158              timeout {fail "(timeout) aborted jump out of current function"}
 159            }
 160           }
 161   -re "$gdb_prompt $"\
 162           {fail "aborted jump out of current function"}
 163   timeout {fail "(timeout) aborted jump out of current function"}
 164 }
 165
 166 send_gdb "jump 12\n"
 167 gdb_expect {
 168   -re "Line 12 is not in `main'.  Jump anyway.*y or n. $"\
 169           {send_gdb "y\n"
 170            gdb_expect {
 171              -re "Continuing at.*$gdb_prompt $"\
 172                      {pass "jump out of current function"}
 173              -re "$gdb_prompt $"\
 174                      {fail "jump out of current function"}
 175              timeout {fail "(timeout) jump out of current function"}
 176            }
 177           }
 178   -re "$gdb_prompt $"\
 179           {fail "jump out of current function"}
 180   timeout {fail "(timeout) jump out of current function"}
 181 }
 182
 183 gdb_exit
 184 return 0