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