| 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 nowarnings}] != "" } { |
| 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 |