gdb/testsuite/gdb.base/jump.exp

   1 #   Copyright 1998, 1999, 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 if $tracelevel then {
  21         strace $tracelevel
  22         }
  23
  24 set prms_id 0
  25 set bug_id 0
  26
  27 clear_xfail "*-*-*"
  28
  29 set testfile "jump"
  30 set srcfile ${testfile}.c
  31 set binfile ${objdir}/${subdir}/${testfile}
  32
  33 # Build the test case
  34 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
  35      untested jump.exp
  36      return -1
  37     }
  38
  39
  40 # Start with a fresh gdb
  41
  42 gdb_exit
  43 gdb_start
  44 gdb_reinitialize_dir $srcdir/$subdir
  45 gdb_load ${binfile}
  46
  47 if ![runto_main] then {
  48   perror "Couldn't run to main"
  49   return -1
  50 }
  51
  52 # Set a breakpoint on the statement that we're about to jump to.
  53 # The statement doesn't contain a function call.
  54 #
  55 send_gdb "break 22\n"
  56 set bp_on_non_call 0
  57 gdb_expect {
  58   -re "\[Bb\]reakpoint (\[0-9\]*) at 0x\[0-9a-fA-F\]*: file .*${srcfile}, line 22.*$gdb_prompt $"\
  59           {set bp_on_non_call $expect_out(1,string)
  60            pass "break before jump to non-call"}
  61   -re "$gdb_prompt $"\
  62           {fail "break before jump to non-call"}
  63   timeout {fail "(timeout) break before jump to non-call"}
  64 }
  65
  66 # Can we jump to the statement?  Do we stop there?
  67 #
  68 send_gdb "jump 22\n"
  69 gdb_expect {
  70   -re "Breakpoint \[0-9\]*, .*${srcfile}:22.*$gdb_prompt $"\
  71           {pass "jump to non-call"}
  72   -re "$gdb_prompt $"\
  73           {fail "jump to non-call"}
  74   timeout {fail "(timeout) jump to non-call"}
  75 }
  76
  77 # Set a breakpoint on the statement that we're about to jump to.
  78 # The statement does contain a function call.
  79 #
  80 send_gdb "break 21\n"
  81 set bp_on_call 0
  82 gdb_expect {
  83   -re "\[Bb\]reakpoint (\[0-9\]*) at 0x\[0-9a-fA-F\]*: file .*${srcfile}, line 21.*$gdb_prompt $"\
  84           {set bp_on_call $expect_out(1,string)
  85            pass "break before jump to call"}
  86   -re "$gdb_prompt $"\
  87           {fail "break before jump to call"}
  88   timeout {fail "(timeout) break before jump to call"}
  89 }
  90
  91 # Can we jump to the statement?  Do we stop there?
  92 #
  93 send_gdb "jump 21\n"
  94 gdb_expect {
  95   -re "Breakpoint \[0-9\]*, .*${srcfile}:21.*$gdb_prompt $"\
  96           {pass "jump to call"}
  97   -re "$gdb_prompt $"\
  98           {fail "jump to call"}
  99   timeout {fail "(timeout) jump to call"}
 100 }
 101
 102 # If we disable the breakpoint at the function call, and then
 103 # if we jump to that statement, do we not stop there, but at
 104 # the following breakpoint?
 105 #
 106 send_gdb "disable $bp_on_call\n"
 107 gdb_expect {
 108   -re "$gdb_prompt $"\
 109           {pass "disable breakpoint on call"}
 110   timeout {fail "(timeout) disable breakpoint on call"}
 111 }
 112
 113 send_gdb "jump 21\n"
 114 gdb_expect {
 115   -re "Breakpoint \[0-9\]*, .*${srcfile}:22.*$gdb_prompt $"\
 116           {pass "jump to call with disabled breakpoint"}
 117   -re "$gdb_prompt $"\
 118           {fail "jump to call with disabled breakpoint"}
 119   timeout {fail "(timeout) jump to call with disabled breakpoint"}
 120 }
 121
 122 # Verify that GDB responds gracefully to the "jump" command without
 123 # an argument.
 124 #
 125 send_gdb "jump\n"
 126 gdb_expect {
 127   -re "Argument required .starting address..*$gdb_prompt $"\
 128           {pass "jump without argument disallowed"}
 129   -re "$gdb_prompt $"\
 130           {fail "jump without argument disallowed"}
 131   timeout {fail "(timeout) jump without argument disallowed"}
 132 }
 133
 134 # Verify that GDB responds gracefully to the "jump" command with
 135 # trailing junk.
 136 #
 137 send_gdb "jump 21 100\n"
 138 gdb_expect {
 139   -re "Junk at end of line specification: 100.*$gdb_prompt $"\
 140           {pass "jump with trailing argument junk"}
 141   -re "$gdb_prompt $"\
 142           {fail "jump with trailing argument junk"}
 143   timeout {fail "(timeout) jump with trailing argument junk"}
 144 }
 145
 146 # Verify that GDB responds gracefully to a request to jump out of
 147 # the current function.  (Note that this will very likely cause the
 148 # inferior to die.  Be prepared to rerun the inferior, if further
 149 # testing is desired.)
 150 #
 151 # Try it both ways: confirming and not confirming the jump.
 152 #
 153 send_gdb "jump 12\n"
 154 gdb_expect {
 155   -re "Line 12 is not in `main'.  Jump anyway.*y or n. $"\
 156           {send_gdb "n\n"
 157            gdb_expect {
 158              -re "Not confirmed.*$gdb_prompt $"\
 159                      {pass "aborted jump out of current function"}
 160              -re "$gdb_prompt $"\
 161                      {fail "aborted jump out of current function"}
 162              timeout {fail "(timeout) aborted jump out of current function"}
 163            }
 164           }
 165   -re "$gdb_prompt $"\
 166           {fail "aborted jump out of current function"}
 167   timeout {fail "(timeout) aborted jump out of current function"}
 168 }
 169
 170 send_gdb "jump 12\n"
 171 gdb_expect {
 172   -re "Line 12 is not in `main'.  Jump anyway.*y or n. $"\
 173           {send_gdb "y\n"
 174            gdb_expect {
 175              -re "Continuing at.*$gdb_prompt $"\
 176                      {pass "jump out of current function"}
 177              -re "$gdb_prompt $"\
 178                      {fail "jump out of current function"}
 179              timeout {fail "(timeout) jump out of current function"}
 180            }
 181           }
 182   -re "$gdb_prompt $"\
 183           {fail "jump out of current function"}
 184   timeout {fail "(timeout) jump out of current function"}
 185 }
 186
 187 gdb_exit
 188 return 0