aboutsummaryrefslogtreecommitdiff
path: root/gdb/testsuite/gdb.base/display.exp
blob: e7f131bc95a062a650bfbe144a92c3b845d03555 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
#   Copyright (C) 1997, 1998
#   Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  

# Please email any bugs, comments, and/or additions to this file to:
# bug-gdb@prep.ai.mit.edu

# display.exp   Test display commands
#               Also do some printing stuff for coverage's sake.
#
if $tracelevel then {
	strace $tracelevel
}

set testfile display
set srcfile  ${srcdir}/${subdir}/${testfile}.c
set binfile  ${objdir}/${subdir}/${testfile}



if  { [gdb_compile "${srcfile}" "${binfile}" executable {debug additional_flags=-w}] != "" } {
    gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
}
if [target_info exists gdb_stub] {
    gdb_step_for_stub;
}


# use this to debug:
#log_user 1

gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}

# Some coverage stuff
#
if ![target_info exists use_gdb_stub] {
    gdb_test "kill" ".*The program is not being run.*"
    gdb_test "detach" ".*"
    gdb_test "run" ".*"

    gdb_load ${binfile}
    gdb_test "kill" ".*" "kill again"
    gdb_test "detach" ".*" "detach again"

    gdb_exit
    gdb_start
    gdb_reinitialize_dir $srcdir/$subdir
    gdb_load ${binfile}
}

# Ok, on to real life
#
if ![runto_main] then {
    fail "Could not run to main - other tests will fail."
    continue
}

# Disable hardware watchpoints if necessary.
if [target_info exists gdb,no_hardware_watchpoints] {
    gdb_test "set can-use-hw-watchpoints 0" "" ""
}

gdb_test "break 14" ".*Breakpoint 2.*"           "break  do_loops"
gdb_test "cont"     ".*Breakpoint 2, do_loops.*" "get to do_loops"

# Create stopping points.
#
gdb_test "watch sum"    ".*\[Ww\]atchpoint 3: sum.*" "set watch"
gdb_test "break 19"     ".*Breakpoint 4.*" "break 19"

# Create displays for those points
#
gdb_test "info disp" ".*There are no auto-display expressions now..*" "inf disp"
gdb_test "disp i" ".*1: i = 0.*" "display i"
gdb_test "disp/x j" ".*2: /x j = 0x0.*" "display j"
gdb_test "disp/i &k" ".*3: x/i &k  $hex:.*" "display &k"
gdb_test "disp/f sum" ".*4: /f sum = 0.*" "display/f sum"
gdb_test "disp/s &sum" ".*5: x/s &sum  $hex.*sum.:.*" "display/s &sum"

# Hit the displays
#
gdb_test "cont" ".*\[Ww\]atchpoint 3: sum.*\[1-9\]*: x/s &sum.*\[1-9\]*: /f sum = 1.40129846e.45\r\n\[1-9\]*: x/i &k.*\r\n\[1-9\]*: /x j = 0x0\r\n\[1-9\]*: i = 0.*" "first disp"
gdb_test "cont" ".*\[Ww\]atchpoint 3: sum.*\[1-9\]*: x/s &sum.*\[1-9\]*: /f sum = 2.80259693e.45\r\n\[1-9\]*: x/i &k.*\r\n\[1-9\]*: /x j = 0x0.*\[1-9\]*: i = 0.*" "second disp"

gdb_test "enab  disp 6" ".*No display number 6..*" "catch err"
gdb_test "disab disp 1" ".*" "disab disp 1"
gdb_test "disab disp 2" ".*" "disab disp 2"
gdb_test "enab disp 1"  ".*" "re-enab"
gdb_test "enab disp 1"  ".*" "re-enab of enab"
gdb_test "undisp 5"     ".*" "undisp"
gdb_test "info disp"    ".*Auto-display expressions now in effect.*y  /f sum.*y  /1bi &k.*n  /x j.*y  i.*" "info disp"

gdb_test "cont" ".*\[Ww\]atch.*4.20389539e-45.*.*i = 0.*" "next hit"

send_gdb "undisp\n"
gdb_expect {
    -re ".*Delete all auto-display expressions.*y or n. $" {
        send_gdb "y\n"
        gdb_expect {
            -re "y\r\n$gdb_prompt $" {
                pass "undisp all"
            }
            -re ".*$gdb_prompt $" {
                fail "some un-helpful response"
            }
            -re ".*Delete all.*$" {
                fail "re-ask question"
            }
            timeout { fail "timeout" }
        }
    }
    -re ".*$gdb_prompt $" {
        fail "undisp all"
    }
    timeout { fail "timeout" }
}

gdb_test "disab 3" ".*.*" "disab 3"
gdb_test "cont" ".*Breakpoint 4.*" "watch off"

# Now the printf tests
#
# The "finish" command may leave us mid-line in the caller on some
# targets, including but not limited to the m68k, i386 & PA.  So we
# have to arrange to step until we hit the line with the call to
# "do_vars".
send_gdb "finish\n"
gdb_expect {
    -re ".*do_loops\\(\\);.*$gdb_prompt $" {
	send_gdb "step\n"
	exp_continue
    }
    -re ".*do_vars.*$gdb_prompt $" {
	pass "finish"
    }
    -re ".*$gdb_prompt $" {
	fail "finish"
	gdb_suppress_tests
    }
    timeout  {
	fail "(timeout) finish"
	gdb_suppress_tests
    }
}

gdb_test "step"      ".*do_vars.*.*27.*"
gdb_test "tbreak 37" ".*Breakpoint 5 a.*"
gdb_test "cont"      ".*do_vars.*37.*37.*"

# Beat on printf a bit
#
gdb_test "printf" ".*Argument required.*"
gdb_test "printf %d" ".*Bad format string, missing.*"
gdb_test "printf \"%d" ".*Bad format string, non-terminated.*"
gdb_test "printf \"%d%d\",i" ".*Wrong number of arguments.*"
gdb_test "printf \"\\\\!\\a\\f\\r\\t\\v\\b\\n\"" ".*!.*"
gdb_test "printf \"\"" ".*" "re-set term"
gdb_test "printf \"\\w\"" ".*Unrecognized escape character.*"
gdb_test "printf \"%d\" j" ".*Invalid argument syntax.*"

# play with "print", too
#
gdb_test "print/r j" ".*Undefined output format.*"
gdb_test "print j"   ".*" "debug test output"

# x/0 j doesn't produce any output and terminates PA64 process when testing
if [istarget "hppa2.0w-hp-hpux11*"] {
    xfail "'x/0 j' terminates PA64 process - skipped test point"
} else {
    gdb_test "x/0 j" ".*"
}
if [istarget "hppa*-hp-hpux*"] {
    # on HP-UX you could access the first page without getting an error
    gdb_test "x/rx j" ".*(Cannot access|Error accessing) memory.*|.*0xa:\[ \t\]*\[0-9\]+.*"
}
gdb_test "print/0 j" ".*Item count other than 1 is meaningless.*" "print/0 j"
gdb_test "print/s sum" ".*Format letter.*is meaningless.*" " no s"
gdb_test "print/i sum" ".*Format letter.*is meaningless.*.*" "no i"
gdb_test "print/a &sum" ".*= $hex.*<sum>.*"
# If the constant below is larger than the length of main, then
# this test will (incorrectly) fail.  So use a small number.
gdb_test "print/a main+4" ".*= $hex.*<.*>.*"
gdb_test "print/a \$pc" ".*= $hex.*<do_vars+.*>.*"
gdb_test "print/a &&j" ".*A .* error in expression.*"

# Done!
#
gdb_exit
return 0