gdb/testsuite/gdb.base/jump.exp

   1 #   Copyright 1998-2013 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
  17 clear_xfail "*-*-*"
  18
  19 set testfile "jump"
  20 set srcfile ${testfile}.c
  21 set binfile ${objdir}/${subdir}/${testfile}
  22
  23 # Build the test case
  24 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
  25      untested jump.exp
  26      return -1
  27     }
  28
  29
  30 # Start with a fresh gdb
  31
  32 gdb_exit
  33 gdb_start
  34 gdb_reinitialize_dir $srcdir/$subdir
  35 gdb_load ${binfile}
  36
  37 if ![runto_main] then {
  38   perror "Couldn't run to main"
  39   return -1
  40 }
  41
  42 # Set a breakpoint on the statement that we're about to jump to.
  43 # The statement doesn't contain a function call.
  44 #
  45 set bp_on_non_call 0
  46 gdb_test_multiple "break 22" "break before jump to non-call" {
  47     -re "\[Bb\]reakpoint (\[0-9\]*) at 0x\[0-9a-fA-F\]*: file .*${srcfile}, line 22.*$gdb_prompt $" {
  48         set bp_on_non_call $expect_out(1,string)
  49         pass "break before jump to non-call"
  50     }
  51 }
  52
  53 # Can we jump to the statement?  Do we stop there?
  54 #
  55 gdb_test "jump 22" "Breakpoint \[0-9\]*, .*${srcfile}:22.*" \
  56     "jump to non-call"
  57
  58 # Set a breakpoint on the statement that we're about to jump to.
  59 # The statement does contain a function call.
  60 #
  61 set bp_on_call 0
  62 gdb_test_multiple "break 21" "break before jump to call" {
  63     -re "\[Bb\]reakpoint (\[0-9\]*) at 0x\[0-9a-fA-F\]*: file .*${srcfile}, line 21.*$gdb_prompt $" {
  64         set bp_on_call $expect_out(1,string)
  65         pass "break before jump to call"
  66     }
  67 }
  68
  69 # Can we jump to the statement?  Do we stop there?
  70 #
  71 gdb_test "jump 21" \
  72     "Breakpoint \[0-9\]*, .*${srcfile}:21.*" \
  73     "jump to call"
  74
  75 # If we disable the breakpoint at the function call, and then
  76 # if we jump to that statement, do we not stop there, but at
  77 # the following breakpoint?
  78 #
  79 gdb_test_no_output "disable $bp_on_call" "disable breakpoint on call"
  80
  81 gdb_test "jump 21" "Breakpoint \[0-9\]*, .*${srcfile}:22.*" \
  82     "jump to call with disabled breakpoint"
  83
  84 # Verify that GDB responds gracefully to the "jump" command without
  85 # an argument.
  86 #
  87 gdb_test "jump" "Argument required .starting address.*" \
  88     "jump without argument disallowed"
  89
  90
  91 # Verify that GDB responds gracefully to the "jump" command with
  92 # trailing junk.
  93 #
  94 gdb_test "jump 21 100" \
  95     "malformed linespec error: unexpected number, \"100\"" \
  96     "jump with trailing argument junk"
  97
  98
  99 # Verify that GDB responds gracefully to a request to jump out of
 100 # the current function.  (Note that this will very likely cause the
 101 # inferior to die.  Be prepared to rerun the inferior, if further
 102 # testing is desired.)
 103 #
 104 # Try it both ways: confirming and not confirming the jump.
 105 #
 106
 107 gdb_test "jump 12" \
 108     "Not confirmed.*" \
 109     "aborted jump out of current function" \
 110     "Line 12 is not in `main'.  Jump anyway.*y or n. $" \
 111     "n"
 112
 113 gdb_test "jump 12" \
 114     "Continuing at.*" \
 115     "jump out of current function" \
 116     "Line 12 is not in `main'.  Jump anyway.*y or n. $" \
 117     "y"
 118
 119 gdb_exit
 120 return 0