gdb/testsuite/gdb.base/jump.exp

   1 #   Copyright 1998, 1999, 2007, 2008, 2009, 2010, 2011
   2 #   Free Software Foundation, Inc.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  16
  17 if $tracelevel then {
  18         strace $tracelevel
  19         }
  20
  21
  22 clear_xfail "*-*-*"
  23
  24 set testfile "jump"
  25 set srcfile ${testfile}.c
  26 set binfile ${objdir}/${subdir}/${testfile}
  27
  28 # Build the test case
  29 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
  30      untested jump.exp
  31      return -1
  32     }
  33
  34
  35 # Start with a fresh gdb
  36
  37 gdb_exit
  38 gdb_start
  39 gdb_reinitialize_dir $srcdir/$subdir
  40 gdb_load ${binfile}
  41
  42 if ![runto_main] then {
  43   perror "Couldn't run to main"
  44   return -1
  45 }
  46
  47 # Set a breakpoint on the statement that we're about to jump to.
  48 # The statement doesn't contain a function call.
  49 #
  50 set bp_on_non_call 0
  51 gdb_test_multiple "break 22" "break before jump to non-call" {
  52     -re "\[Bb\]reakpoint (\[0-9\]*) at 0x\[0-9a-fA-F\]*: file .*${srcfile}, line 22.*$gdb_prompt $" {
  53         set bp_on_non_call $expect_out(1,string)
  54         pass "break before jump to non-call"
  55     }
  56 }
  57
  58 # Can we jump to the statement?  Do we stop there?
  59 #
  60 gdb_test "jump 22" "Breakpoint \[0-9\]*, .*${srcfile}:22.*" \
  61     "jump to non-call"
  62
  63 # Set a breakpoint on the statement that we're about to jump to.
  64 # The statement does contain a function call.
  65 #
  66 set bp_on_call 0
  67 gdb_test_multiple "break 21" "break before jump to call" {
  68     -re "\[Bb\]reakpoint (\[0-9\]*) at 0x\[0-9a-fA-F\]*: file .*${srcfile}, line 21.*$gdb_prompt $" {
  69         set bp_on_call $expect_out(1,string)
  70         pass "break before jump to call"
  71     }
  72 }
  73
  74 # Can we jump to the statement?  Do we stop there?
  75 #
  76 gdb_test "jump 21" \
  77     "Breakpoint \[0-9\]*, .*${srcfile}:21.*" \
  78     "jump to call"
  79
  80 # If we disable the breakpoint at the function call, and then
  81 # if we jump to that statement, do we not stop there, but at
  82 # the following breakpoint?
  83 #
  84 gdb_test_no_output "disable $bp_on_call" "disable breakpoint on call"
  85
  86 gdb_test "jump 21" "Breakpoint \[0-9\]*, .*${srcfile}:22.*" \
  87     "jump to call with disabled breakpoint"
  88
  89 # Verify that GDB responds gracefully to the "jump" command without
  90 # an argument.
  91 #
  92 gdb_test "jump" "Argument required .starting address.*" \
  93     "jump without argument disallowed"
  94
  95
  96 # Verify that GDB responds gracefully to the "jump" command with
  97 # trailing junk.
  98 #
  99 gdb_test "jump 21 100" \
 100     "Junk at end of line specification: 100.*" \
 101     "jump with trailing argument junk"
 102
 103
 104 # Verify that GDB responds gracefully to a request to jump out of
 105 # the current function.  (Note that this will very likely cause the
 106 # inferior to die.  Be prepared to rerun the inferior, if further
 107 # testing is desired.)
 108 #
 109 # Try it both ways: confirming and not confirming the jump.
 110 #
 111
 112 gdb_test "jump 12" \
 113     "Not confirmed.*" \
 114     "aborted jump out of current function" \
 115     "Line 12 is not in `main'.  Jump anyway.*y or n. $" \
 116     "n"
 117
 118 gdb_test "jump 12" \
 119     "Continuing at.*" \
 120     "jump out of current function" \
 121     "Line 12 is not in `main'.  Jump anyway.*y or n. $" \
 122     "y"
 123
 124 gdb_exit
 125 return 0