1 # Copyright 1997-2016 Free Software Foundation, Inc.
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.
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.
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/>.
16 # display.exp Test display commands
17 # Also do some printing stuff for coverage's sake.
21 if {[prepare_for_testing $testfile.exp $testfile $srcfile \
22 {debug nowarnings}]} {
27 # Preserve the old timeout, and set a new one that should be
28 # sufficient to avoid timing out during this test.
29 set oldtimeout $timeout
30 set timeout [expr "$timeout + 60"]
31 verbose "Timeout is now $timeout seconds" 2
39 gdb_test "kill" ".*The program is not being run.*"
40 gdb_test "detach" ".*"
44 gdb_test "kill" ".*" "kill again"
45 gdb_test "detach" ".*" "detach again"
49 gdb_reinitialize_dir $srcdir/$subdir
55 if ![runto_main] then {
56 fail "Could not run to main - other tests will fail."
60 # Disable hardware watchpoints if necessary.
61 if [target_info exists gdb,no_hardware_watchpoints] {
62 gdb_test_no_output "set can-use-hw-watchpoints 0" ""
65 set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
66 gdb_test "break $bp_location1" ".*Breakpoint 2.*" "break do_loops"
67 gdb_test "cont" ".*Breakpoint 2, do_loops.*" "get to do_loops"
69 # Create stopping points.
71 gdb_test "watch sum" ".*\[Ww\]atchpoint 3: sum.*" "set watch"
72 set bp_location2 [gdb_get_line_number "set breakpoint 2 here"]
73 gdb_test "break $bp_location2" ".*Breakpoint 4.*" "break loop end"
75 # Create displays for those points
77 gdb_test "info disp" ".*There are no auto-display expressions now..*" "inf disp"
78 gdb_test "disp i" ".*1: i = 0.*" "display i"
79 gdb_test "disp/x j" ".*2: /x j = 0x0.*" "display j"
80 gdb_test "disp/i &k" ".*3: x/i &k(\r\n| ) $hex:.*" "display &k"
81 gdb_test "disp/f f" ".*4: /f f = 3.1415*" "display/f f"
82 gdb_test "disp/s &sum" ".*5: x/s &sum $hex.*sum.:.*" "display/s &sum"
86 gdb_test "cont" [multi_line \
87 ".*\[Ww\]atchpoint 3: sum.*" \
89 "\[1-9\]*: /x j = 0x0" \
90 "\[1-9\]*: x/i &k.*" \
91 "\[1-9\]*: /f f = 3.1415" \
92 "\[1-9\]*: x/s &sum.*" \
95 gdb_test "cont" [multi_line \
96 ".*\[Ww\]atchpoint 3: sum.*" \
98 "\[1-9\]*: /x j = 0x0.*" \
99 "\[1-9\]*: x/i &k.*" \
100 "\[1-9\]*: /f f = 4.1415" \
101 "\[1-9\]*: x/s &sum.*" \
104 gdb_test "enab disp 6" ".*No display number 6..*" "catch err"
105 gdb_test_no_output "disab disp 1" "disab disp 1"
106 gdb_test_no_output "disab disp 2" "disab disp 2"
107 gdb_test_no_output "enab disp 1" "re-enab"
108 gdb_test_no_output "enab disp 1" "re-enab of enab"
109 gdb_test_no_output "undisp 5" "undisp"
110 gdb_test "info disp" [multi_line \
111 "Auto-display expressions now in effect.*" \
118 gdb_test "cont" [multi_line \
127 ".*Delete all auto-display expressions.*y or n. $" \
131 # Test displaying a variable that is temporarily at a bad address.
132 # But if we can examine what's at memory address 0, then we'll also be
133 # able to display it without error. Don't run the test in that case.
134 set can_read_0 [is_address_zero_readable]
136 if { !$can_read_0 } {
137 gdb_test "disp *p_i" ".*: \\*p_i = 0"
138 gdb_test "p p_i = 0x0" " = \\(int \\*\\) 0x0"
139 gdb_test "display" ".*: \\*p_i = <error: .*>" "display bad address"
140 gdb_test "p p_i = &i" " = \\(int \\*\\) $hex"
141 gdb_test "display" ".*: \\*p_i = 0" "display good address"
146 ".*Delete all auto-display expressions.*y or n. $" \
150 gdb_test "disab 3" ".*.*" "disab 3"
151 gdb_test "cont" ".*Breakpoint 4.*" "watch off"
153 # Now the printf tests
155 # The "finish" command may leave us mid-line in the caller on some
156 # targets, including but not limited to the m68k, i386 & PA. So we
157 # have to arrange to step until we hit the line with the call to
159 gdb_test_multiple "finish" "finish" {
160 -re ".*do_loops\\(\\);.*$gdb_prompt $" {
164 -re ".*do_vars.*$gdb_prompt $" {
169 gdb_test "step" ".*do_vars.*.*i = 9.*"
170 set bp_location3 [gdb_get_line_number "set breakpoint 3 here"]
171 gdb_test "tbreak $bp_location3" ".*breakpoint 5 a.*" "tbreak in do_vars"
172 gdb_test "cont" ".*do_vars.*$bp_location3.*$bp_location3.*"
174 # Beat on printf a bit
176 gdb_test "printf" ".*Argument required.*"
177 gdb_test "printf %d" ".*Bad format string, missing.*"
178 gdb_test "printf \"%d" ".*Bad format string, non-terminated.*"
179 gdb_test "printf \"%d%d\",i" ".*Wrong number of arguments.*"
180 gdb_test "printf \"\\\\!\\a\\f\\r\\t\\v\\b\\n\"" ".*!.*"
181 gdb_test_no_output "printf \"\"" "re-set term"
182 gdb_test "printf \"\\w\"" ".*Unrecognized escape character.*"
183 gdb_test "printf \"%d\" j" ".*Invalid argument syntax.*"
184 gdb_test "printf \"%p\\n\", 0" "\\(nil\\)"
185 gdb_test "printf \"%p\\n\", 1" "0x1"
187 # play with "print", too
189 gdb_test "print/k j" ".*Undefined output format.*"
190 gdb_test "print/d j" " = 0\[\\r\\n\]+" "debug test output 1"
191 gdb_test "print/r j" " = 0\[\\r\\n\]+" "debug test output 1a"
192 gdb_test "print/x j" " = 0x0\[\\r\\n\]+" "debug test output 2"
193 gdb_test "print/r j" " = 0x0\[\\r\\n\]+" "debug test output 2a"
194 gdb_test "print j" " = 0\[\\r\\n\]+" "debug test output 3"
196 # x/0 j doesn't produce any output and terminates PA64 process when testing
197 gdb_test_no_output "x/0 j"
199 gdb_test "print/0 j" ".*Item count other than 1 is meaningless.*" "print/0 j"
200 gdb_test "print/s sum" " = 1000" "ignored s"
201 gdb_test "print/i sum" ".*Format letter.*is meaningless.*.*" "no i"
202 gdb_test "print/a &sum" ".*= $hex.*<sum>.*"
203 # If the constant below is larger than the length of main, then
204 # this test will (incorrectly) fail. So use a small number.
205 gdb_test "print/a main+4" ".*= $hex.*<.*>.*"
206 gdb_test "print/a \$pc" ".*= $hex.*<do_vars+.*>.*"
207 gdb_test "print/a &&j" ".*A .* error in expression.*"
213 # Restore the preserved old timeout value.
214 set timeout $oldtimeout
215 verbose "Timeout is now $timeout seconds" 2