xref: /netbsd-src/external/gpl3/gdb/dist/gdb/testsuite/gdb.base/jump.exp (revision 4391d5e9d4f291db41e3b3ba26a01b5e51364aae)
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
17clear_xfail "*-*-*"
18
19set testfile "jump"
20set srcfile ${testfile}.c
21set binfile ${objdir}/${subdir}/${testfile}
22
23# Build the test case
24if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
25     untested jump.exp
26     return -1
27    }
28
29
30# Start with a fresh gdb
31
32gdb_exit
33gdb_start
34gdb_reinitialize_dir $srcdir/$subdir
35gdb_load ${binfile}
36
37if ![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#
45set bp_on_non_call 0
46gdb_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#
55gdb_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#
61set bp_on_call 0
62gdb_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#
71gdb_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#
79gdb_test_no_output "disable $bp_on_call" "disable breakpoint on call"
80
81gdb_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#
87gdb_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#
94gdb_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
107gdb_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
113gdb_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
119gdb_exit
120return 0
121