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1 # Copyright 1997, 1998, 1999, 2000, 2001, 2003, 2007
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 2 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, write to the Free Software
16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17
18 # Please email any bugs, comments, and/or additions to this file to:
19 # bug-gdb@prep.ai.mit.edu
20
21 # display.exp Test display commands
22 # Also do some printing stuff for coverage's sake.
23 #
24 if $tracelevel then {
25 strace $tracelevel
26 }
27
28 set testfile display
29 set srcfile ${testfile}.c
30 set binfile ${objdir}/${subdir}/${testfile}
31
32
33
34 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
35 untested display.exp
36 return -1
37 }
38 if [target_info exists gdb_stub] {
39 gdb_step_for_stub;
40 }
41
42 # Preserve the old timeout, and set a new one that should be
43 # sufficient to avoid timing out during this test.
44 set oldtimeout $timeout
45 set timeout [expr "$timeout + 60"]
46 verbose "Timeout is now $timeout seconds" 2
47
48 # use this to debug:
49 #log_user 1
50
51 gdb_exit
52 gdb_start
53 gdb_reinitialize_dir $srcdir/$subdir
54 gdb_load ${binfile}
55
56 # Some coverage stuff
57 #
58 if ![target_info exists use_gdb_stub] {
59 gdb_test "kill" ".*The program is not being run.*"
60 gdb_test "detach" ".*"
61 gdb_test "run" ".*"
62
63 gdb_load ${binfile}
64 gdb_test "kill" ".*" "kill again"
65 gdb_test "detach" ".*" "detach again"
66
67 gdb_exit
68 gdb_start
69 gdb_reinitialize_dir $srcdir/$subdir
70 gdb_load ${binfile}
71 }
72
73 # Ok, on to real life
74 #
75 if ![runto_main] then {
76 fail "Could not run to main - other tests will fail."
77 continue
78 }
79
80 # Disable hardware watchpoints if necessary.
81 if [target_info exists gdb,no_hardware_watchpoints] {
82 gdb_test "set can-use-hw-watchpoints 0" "" ""
83 }
84
85 gdb_test "break 14" ".*Breakpoint 2.*" "break do_loops"
86 gdb_test "cont" ".*Breakpoint 2, do_loops.*" "get to do_loops"
87
88 # Create stopping points.
89 #
90 gdb_test "watch sum" ".*\[Ww\]atchpoint 3: sum.*" "set watch"
91 gdb_test "break 19" ".*Breakpoint 4.*" "break 19"
92
93 # Create displays for those points
94 #
95 gdb_test "info disp" ".*There are no auto-display expressions now..*" "inf disp"
96 gdb_test "disp i" ".*1: i = 0.*" "display i"
97 gdb_test "disp/x j" ".*2: /x j = 0x0.*" "display j"
98 gdb_test "disp/i &k" ".*3: x/i &k $hex:.*" "display &k"
99 gdb_test "disp/f f" ".*4: /f f = 3.1415*" "display/f f"
100 gdb_test "disp/s &sum" ".*5: x/s &sum $hex.*sum.:.*" "display/s &sum"
101
102 # Hit the displays
103 #
104 gdb_test "cont" ".*\[Ww\]atchpoint 3: sum.*\[1-9\]*: x/s &sum.*\[1-9\]*: /f f = 3.1415\r\n\[1-9\]*: x/i &k.*\r\n\[1-9\]*: /x j = 0x0\r\n\[1-9\]*: i = 0.*" "first disp"
105 gdb_test "cont" ".*\[Ww\]atchpoint 3: sum.*\[1-9\]*: x/s &sum.*\[1-9\]*: /f f = 4.1415\r\n\[1-9\]*: x/i &k.*\r\n\[1-9\]*: /x j = 0x0.*\[1-9\]*: i = 0.*" "second disp"
106
107 gdb_test "enab disp 6" ".*No display number 6..*" "catch err"
108 gdb_test "disab disp 1" ".*" "disab disp 1"
109 gdb_test "disab disp 2" ".*" "disab disp 2"
110 gdb_test "enab disp 1" ".*" "re-enab"
111 gdb_test "enab disp 1" ".*" "re-enab of enab"
112 gdb_test "undisp 5" ".*" "undisp"
113 gdb_test "info disp" ".*Auto-display expressions now in effect.*y /f f.*y /1bi &k.*n /x j.*y i.*" "info disp"
114
115 gdb_test "cont" ".*\[Ww\]atch.*5.1415.*.*i = 0.*" "next hit"
116
117 send_gdb "undisp\n"
118 gdb_expect {
119 -re ".*Delete all auto-display expressions.*y or n. $" {
120 send_gdb "y\n"
121 gdb_expect {
122 -re "y\r\n$gdb_prompt $" {
123 pass "undisp all"
124 }
125 -re ".*$gdb_prompt $" {
126 fail "some un-helpful response"
127 }
128 -re ".*Delete all.*$" {
129 fail "re-ask question"
130 }
131 timeout { fail "timeout" }
132 }
133 }
134 -re ".*$gdb_prompt $" {
135 fail "undisp all"
136 }
137 timeout { fail "timeout" }
138 }
139
140 gdb_test "disab 3" ".*.*" "disab 3"
141 gdb_test "cont" ".*Breakpoint 4.*" "watch off"
142
143 # Now the printf tests
144 #
145 # The "finish" command may leave us mid-line in the caller on some
146 # targets, including but not limited to the m68k, i386 & PA. So we
147 # have to arrange to step until we hit the line with the call to
148 # "do_vars".
149 send_gdb "finish\n"
150 gdb_expect {
151 -re ".*do_loops\\(\\);.*$gdb_prompt $" {
152 send_gdb "step\n"
153 exp_continue
154 }
155 -re ".*do_vars.*$gdb_prompt $" {
156 pass "finish"
157 }
158 -re ".*$gdb_prompt $" {
159 fail "finish"
160 gdb_suppress_tests
161 }
162 timeout {
163 fail "(timeout) finish"
164 gdb_suppress_tests
165 }
166 }
167
168 gdb_test "step" ".*do_vars.*.*27.*"
169 gdb_test "tbreak 37" ".*Breakpoint 5 a.*"
170 gdb_test "cont" ".*do_vars.*37.*37.*"
171
172 # Beat on printf a bit
173 #
174 gdb_test "printf" ".*Argument required.*"
175 gdb_test "printf %d" ".*Bad format string, missing.*"
176 gdb_test "printf \"%d" ".*Bad format string, non-terminated.*"
177 gdb_test "printf \"%d%d\",i" ".*Wrong number of arguments.*"
178 gdb_test "printf \"\\\\!\\a\\f\\r\\t\\v\\b\\n\"" ".*!.*"
179 gdb_test "printf \"\"" ".*" "re-set term"
180 gdb_test "printf \"\\w\"" ".*Unrecognized escape character.*"
181 gdb_test "printf \"%d\" j" ".*Invalid argument syntax.*"
182
183 # play with "print", too
184 #
185 gdb_test "print/r j" ".*Undefined output format.*"
186 gdb_test "print j" ".*" "debug test output"
187
188 # x/0 j doesn't produce any output and terminates PA64 process when testing
189 if [istarget "hppa2.0w-hp-hpux11*"] {
190 xfail "'x/0 j' terminates PA64 process - skipped test point"
191 } else {
192 gdb_test "x/0 j" ".*"
193 }
194 if [istarget "hppa*-hp-hpux*"] {
195 # on HP-UX you could access the first page without getting an error
196 gdb_test "x/rx j" ".*(Cannot access|Error accessing) memory.*|.*0xa:\[ \t\]*\[0-9\]+.*"
197 }
198 gdb_test "print/0 j" ".*Item count other than 1 is meaningless.*" "print/0 j"
199 gdb_test "print/s sum" ".*Format letter.*is meaningless.*" " no s"
200 gdb_test "print/i sum" ".*Format letter.*is meaningless.*.*" "no i"
201 gdb_test "print/a &sum" ".*= $hex.*<sum>.*"
202 # If the constant below is larger than the length of main, then
203 # this test will (incorrectly) fail. So use a small number.
204 gdb_test "print/a main+4" ".*= $hex.*<.*>.*"
205 gdb_test "print/a \$pc" ".*= $hex.*<do_vars+.*>.*"
206 gdb_test "print/a &&j" ".*A .* error in expression.*"
207
208 # Done!
209 #
210 gdb_exit
211
212 # Restore the preserved old timeout value.
213 set timeout $oldtimeout
214 verbose "Timeout is now $timeout seconds" 2
215
216 return 0