gdb/testsuite/gdb.base/jump.exp

   1 #   Copyright (C) 1998 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 # are we on a target board
  28 if ![isnative] then {
  29   return 0
  30 }
  31
  32 clear_xfail "*-*-*"
  33
  34 set testfile "jump"
  35 set srcfile ${testfile}.c
  36 set binfile ${objdir}/${subdir}/${testfile}
  37
  38 # Build the test case
  39 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-w}] != "" } {
  40      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  41     }
  42
  43
  44 # Start with a fresh gdb
  45
  46 gdb_exit
  47 gdb_start
  48 gdb_reinitialize_dir $srcdir/$subdir
  49 gdb_load ${binfile}
  50
  51 if ![runto_main] then {
  52   perror "Couldn't run to main"
  53   return -1
  54 }
  55
  56 # Set a breakpoint on the statement that we're about to jump to.
  57 # The statement doesn't contain a function call.
  58 #
  59 send_gdb "break 18\n"
  60 set bp_on_non_call 0
  61 gdb_expect {
  62   -re "\[Bb\]reakpoint (\[0-9\]*) at 0x\[0-9a-fA-F\]*: file .*${srcfile}, line 18.*$gdb_prompt $"\
  63           {set bp_on_non_call $expect_out(1,string)
  64            pass "break before jump to non-call"}
  65   -re "$gdb_prompt $"\
  66           {fail "break before jump to non-call"}
  67   timeout {fail "(timeout) break before jump to non-call"}
  68 }
  69
  70 # Can we jump to the statement?  Do we stop there?
  71 #
  72 send_gdb "jump 18\n"
  73 gdb_expect {
  74   -re "Breakpoint \[0-9\]*, .*${srcfile}:18.*$gdb_prompt $"\
  75           {pass "jump to non-call"}
  76   -re "$gdb_prompt $"\
  77           {fail "jump to non-call"}
  78   timeout {fail "(timeout) jump to non-call"}
  79 }
  80
  81 # Set a breakpoint on the statement that we're about to jump to.
  82 # The statement does contain a function call.
  83 #
  84 send_gdb "break 17\n"
  85 set bp_on_call 0
  86 gdb_expect {
  87   -re "\[Bb\]reakpoint (\[0-9\]*) at 0x\[0-9a-fA-F\]*: file .*${srcfile}, line 17.*$gdb_prompt $"\
  88           {set bp_on_call $expect_out(1,string)
  89            pass "break before jump to call"}
  90   -re "$gdb_prompt $"\
  91           {fail "break before jump to call"}
  92   timeout {fail "(timeout) break before jump to call"}
  93 }
  94
  95 # Can we jump to the statement?  Do we stop there?
  96 #
  97 send_gdb "jump 17\n"
  98 gdb_expect {
  99   -re "Breakpoint \[0-9\]*, .*${srcfile}:17.*$gdb_prompt $"\
 100           {pass "jump to call"}
 101   -re "$gdb_prompt $"\
 102           {fail "jump to call"}
 103   timeout {fail "(timeout) jump to call"}
 104 }
 105
 106 # If we disable the breakpoint at the function call, and then
 107 # if we jump to that statement, do we not stop there, but at
 108 # the following breakpoint?
 109 #
 110 send_gdb "disable $bp_on_call\n"
 111 gdb_expect {
 112   -re "$gdb_prompt $"\
 113           {pass "disable breakpoint on call"}
 114   timeout {fail "(timeout) disable breakpoint on call"}
 115 }
 116
 117 send_gdb "jump 17\n"
 118 gdb_expect {
 119   -re "Breakpoint \[0-9\]*, .*${srcfile}:18.*$gdb_prompt $"\
 120           {pass "jump to call with disabled breakpoint"}
 121   -re "$gdb_prompt $"\
 122           {fail "jump to call with disabled breakpoint"}
 123   timeout {fail "(timeout) jump to call with disabled breakpoint"}
 124 }
 125
 126 # Verify that GDB responds gracefully to the "jump" command without
 127 # an argument.
 128 #
 129 send_gdb "jump\n"
 130 gdb_expect {
 131   -re "Argument required .starting address..*$gdb_prompt $"\
 132           {pass "jump without argument disallowed"}
 133   -re "$gdb_prompt $"\
 134           {fail "jump without argument disallowed"}
 135   timeout {fail "(timeout) jump without argument disallowed"}
 136 }
 137
 138 # Verify that GDB responds gracefully to the "jump" command with
 139 # trailing junk.
 140 #
 141 send_gdb "jump 17 100\n"
 142 gdb_expect {
 143   -re "Junk at end of line specification: 100.*$gdb_prompt $"\
 144           {pass "jump with trailing argument junk"}
 145   -re "$gdb_prompt $"\
 146           {fail "jump with trailing argument junk"}
 147   timeout {fail "(timeout) jump with trailing argument junk"}
 148 }
 149
 150 # Verify that GDB responds gracefully to a request to jump out of
 151 # the current function.  (Note that this will very likely cause the
 152 # inferior to die.  Be prepared to rerun the inferior, if further
 153 # testing is desired.)
 154 #
 155 # Try it both ways: confirming and not confirming the jump.
 156 #
 157 send_gdb "jump 8\n"
 158 gdb_expect {
 159   -re "Line 8 is not in `main'.  Jump anyway.*y or n. $"\
 160           {send_gdb "n\n"
 161            gdb_expect {
 162              -re "Not confirmed.*$gdb_prompt $"\
 163                      {pass "aborted jump out of current function"}
 164              -re "$gdb_prompt $"\
 165                      {fail "aborted jump out of current function"}
 166              timeout {fail "(timeout) aborted jump out of current function"}
 167            }
 168           }
 169   -re "$gdb_prompt $"\
 170           {fail "aborted jump out of current function"}
 171   timeout {fail "(timeout) aborted jump out of current function"}
 172 }
 173
 174 send_gdb "jump 8\n"
 175 gdb_expect {
 176   -re "Line 8 is not in `main'.  Jump anyway.*y or n. $"\
 177           {send_gdb "y\n"
 178            gdb_expect {
 179              -re "Continuing at.*$gdb_prompt $"\
 180                      {pass "jump out of current function"}
 181              -re "$gdb_prompt $"\
 182                      {fail "jump out of current function"}
 183              timeout {fail "(timeout) jump out of current function"}
 184            }
 185           }
 186   -re "$gdb_prompt $"\
 187           {fail "jump out of current function"}
 188   timeout {fail "(timeout) jump out of current function"}
 189 }
 190
 191 gdb_exit
 192 return 0