1#   Copyright 1997, 1998, 1999, 2000, 2001, 2003, 2007, 2008, 2009, 2010, 2011
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 3 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, see <http://www.gnu.org/licenses/>.
16
17# display.exp   Test display commands
18#               Also do some printing stuff for coverage's sake.
19#
20if $tracelevel then {
21	strace $tracelevel
22}
23
24set testfile display
25set srcfile  ${testfile}.c
26set binfile  ${objdir}/${subdir}/${testfile}
27
28
29
30if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
31    untested display.exp
32    return -1
33}
34if [target_info exists gdb_stub] {
35    gdb_step_for_stub;
36}
37
38# Preserve the old timeout, and set a new one that should be
39# sufficient to avoid timing out during this test.
40set oldtimeout $timeout
41set timeout [expr "$timeout + 60"]
42verbose "Timeout is now $timeout seconds" 2
43
44# use this to debug:
45#log_user 1
46
47gdb_exit
48gdb_start
49gdb_reinitialize_dir $srcdir/$subdir
50gdb_load ${binfile}
51
52# Some coverage stuff
53#
54if ![target_info exists use_gdb_stub] {
55    gdb_test "kill" ".*The program is not being run.*"
56    gdb_test "detach" ".*"
57    gdb_test "run" ".*"
58
59    gdb_load ${binfile}
60    gdb_test "kill" ".*" "kill again"
61    gdb_test "detach" ".*" "detach again"
62
63    gdb_exit
64    gdb_start
65    gdb_reinitialize_dir $srcdir/$subdir
66    gdb_load ${binfile}
67}
68
69# Ok, on to real life
70#
71if ![runto_main] then {
72    fail "Could not run to main - other tests will fail."
73    continue
74}
75
76# Disable hardware watchpoints if necessary.
77if [target_info exists gdb,no_hardware_watchpoints] {
78    gdb_test_no_output "set can-use-hw-watchpoints 0" ""
79}
80
81set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
82gdb_test "break $bp_location1" ".*Breakpoint 2.*"           "break  do_loops"
83gdb_test "cont"     ".*Breakpoint 2, do_loops.*" "get to do_loops"
84
85# Create stopping points.
86#
87gdb_test "watch sum"    ".*\[Ww\]atchpoint 3: sum.*" "set watch"
88set bp_location2 [gdb_get_line_number "set breakpoint 2 here"]
89gdb_test "break $bp_location2"     ".*Breakpoint 4.*" "break loop end"
90
91# Create displays for those points
92#
93gdb_test "info disp" ".*There are no auto-display expressions now..*" "inf disp"
94gdb_test "disp i" ".*1: i = 0.*" "display i"
95gdb_test "disp/x j" ".*2: /x j = 0x0.*" "display j"
96gdb_test "disp/i &k" ".*3: x/i &k(\r\n|  )   $hex:.*" "display &k"
97gdb_test "disp/f f" ".*4: /f f = 3.1415*" "display/f f"
98gdb_test "disp/s &sum" ".*5: x/s &sum  $hex.*sum.:.*" "display/s &sum"
99
100# Hit the displays
101#
102gdb_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"
103gdb_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"
104
105gdb_test "enab  disp 6" ".*No display number 6..*" "catch err"
106gdb_test_no_output "disab disp 1" "disab disp 1"
107gdb_test_no_output "disab disp 2" "disab disp 2"
108gdb_test_no_output "enab disp 1"  "re-enab"
109gdb_test_no_output "enab disp 1"  "re-enab of enab"
110gdb_test_no_output "undisp 5"     "undisp"
111gdb_test "info disp"    ".*Auto-display expressions now in effect.*y  /f f.*y  /1bi &k.*n  /x j.*y  i.*" "info disp"
112
113gdb_test "cont" ".*\[Ww\]atch.*5.1415.*.*i = 0.*" "next hit"
114
115gdb_test "undisp" \
116    "" \
117    "undisp all" \
118    ".*Delete all auto-display expressions.*y or n. $" \
119    "y"
120
121
122gdb_test "disab 3" ".*.*" "disab 3"
123gdb_test "cont" ".*Breakpoint 4.*" "watch off"
124
125# Now the printf tests
126#
127# The "finish" command may leave us mid-line in the caller on some
128# targets, including but not limited to the m68k, i386 & PA.  So we
129# have to arrange to step until we hit the line with the call to
130# "do_vars".
131gdb_test_multiple "finish" "finish" {
132    -re ".*do_loops\\(\\);.*$gdb_prompt $" {
133	send_gdb "step\n"
134	exp_continue
135    }
136    -re ".*do_vars.*$gdb_prompt $" {
137	pass "finish"
138    }
139}
140
141gdb_test "step"      ".*do_vars.*.*i = 9.*"
142set bp_location3 [gdb_get_line_number "set breakpoint 3 here"]
143gdb_test "tbreak $bp_location3" ".*breakpoint 5 a.*" "tbreak in do_vars"
144gdb_test "cont"      ".*do_vars.*$bp_location3.*$bp_location3.*"
145
146# Beat on printf a bit
147#
148gdb_test "printf" ".*Argument required.*"
149gdb_test "printf %d" ".*Bad format string, missing.*"
150gdb_test "printf \"%d" ".*Bad format string, non-terminated.*"
151gdb_test "printf \"%d%d\",i" ".*Wrong number of arguments.*"
152gdb_test "printf \"\\\\!\\a\\f\\r\\t\\v\\b\\n\"" ".*!.*"
153gdb_test_no_output "printf \"\"" "re-set term"
154gdb_test "printf \"\\w\"" ".*Unrecognized escape character.*"
155gdb_test "printf \"%d\" j" ".*Invalid argument syntax.*"
156gdb_test "printf \"%p\\n\", 0" "\\(nil\\)"
157gdb_test "printf \"%p\\n\", 1" "0x1"
158
159# play with "print", too
160#
161gdb_test "print/z j" ".*Undefined output format.*"
162gdb_test "print/d j" " = 0\[\\r\\n\]+"   "debug test output 1"
163gdb_test "print/r j" " = 0\[\\r\\n\]+"   "debug test output 1a"
164gdb_test "print/x j" " = 0x0\[\\r\\n\]+" "debug test output 2"
165gdb_test "print/r j" " = 0x0\[\\r\\n\]+" "debug test output 2a"
166gdb_test "print j"   " = 0\[\\r\\n\]+"   "debug test output 3"
167
168# x/0 j doesn't produce any output and terminates PA64 process when testing
169if [istarget "hppa2.0w-hp-hpux11*"] {
170    xfail "'x/0 j' terminates PA64 process - skipped test point"
171} else {
172    gdb_test_no_output "x/0 j"
173}
174if [istarget "hppa*-hp-hpux*"] {
175    # on HP-UX you could access the first page without getting an error
176    gdb_test "x/rx j" ".*(Cannot access|Error accessing) memory.*|.*0xa:\[ \t\]*\[0-9\]+.*"
177}
178gdb_test "print/0 j" ".*Item count other than 1 is meaningless.*" "print/0 j"
179gdb_test "print/s sum" " = 1000" "ignored s"
180gdb_test "print/i sum" ".*Format letter.*is meaningless.*.*" "no i"
181gdb_test "print/a &sum" ".*= $hex.*<sum>.*"
182# If the constant below is larger than the length of main, then
183# this test will (incorrectly) fail.  So use a small number.
184gdb_test "print/a main+4" ".*= $hex.*<.*>.*"
185gdb_test "print/a \$pc" ".*= $hex.*<do_vars+.*>.*"
186gdb_test "print/a &&j" ".*A .* error in expression.*"
187
188# Done!
189#
190gdb_exit
191
192# Restore the preserved old timeout value.
193set timeout $oldtimeout
194verbose "Timeout is now $timeout seconds" 2
195
196return 0
197