gdb/testsuite/gdb.base/jump.exp

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