1 # Copyright 1997, 1998, 1999, 2000, 2001, 2003, 2007, 2008, 2009, 2010, 2011
2 # Free Software Foundation, Inc.
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.
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.
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/>.
17 # display.exp Test display commands
18 # Also do some printing stuff for coverage's sake.
25 set srcfile ${testfile}.c
26 set binfile ${objdir}/${subdir}/${testfile}
30 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
35 # Preserve the old timeout, and set a new one that should be
36 # sufficient to avoid timing out during this test.
37 set oldtimeout $timeout
38 set timeout [expr "$timeout + 60"]
39 verbose "Timeout is now $timeout seconds" 2
46 gdb_reinitialize_dir $srcdir/$subdir
52 gdb_test "kill" ".*The program is not being run.*"
53 gdb_test "detach" ".*"
57 gdb_test "kill" ".*" "kill again"
58 gdb_test "detach" ".*" "detach again"
62 gdb_reinitialize_dir $srcdir/$subdir
68 if ![runto_main] then {
69 fail "Could not run to main - other tests will fail."
73 # Disable hardware watchpoints if necessary.
74 if [target_info exists gdb,no_hardware_watchpoints] {
75 gdb_test_no_output "set can-use-hw-watchpoints 0" ""
78 set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
79 gdb_test "break $bp_location1" ".*Breakpoint 2.*" "break do_loops"
80 gdb_test "cont" ".*Breakpoint 2, do_loops.*" "get to do_loops"
82 # Create stopping points.
84 gdb_test "watch sum" ".*\[Ww\]atchpoint 3: sum.*" "set watch"
85 set bp_location2 [gdb_get_line_number "set breakpoint 2 here"]
86 gdb_test "break $bp_location2" ".*Breakpoint 4.*" "break loop end"
88 # Create displays for those points
90 gdb_test "info disp" ".*There are no auto-display expressions now..*" "inf disp"
91 gdb_test "disp i" ".*1: i = 0.*" "display i"
92 gdb_test "disp/x j" ".*2: /x j = 0x0.*" "display j"
93 gdb_test "disp/i &k" ".*3: x/i &k(\r\n| ) $hex:.*" "display &k"
94 gdb_test "disp/f f" ".*4: /f f = 3.1415*" "display/f f"
95 gdb_test "disp/s &sum" ".*5: x/s &sum $hex.*sum.:.*" "display/s &sum"
99 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"
100 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"
102 gdb_test "enab disp 6" ".*No display number 6..*" "catch err"
103 gdb_test_no_output "disab disp 1" "disab disp 1"
104 gdb_test_no_output "disab disp 2" "disab disp 2"
105 gdb_test_no_output "enab disp 1" "re-enab"
106 gdb_test_no_output "enab disp 1" "re-enab of enab"
107 gdb_test_no_output "undisp 5" "undisp"
108 gdb_test "info disp" ".*Auto-display expressions now in effect.*y /f f.*y /1bi &k.*n /x j.*y i.*" "info disp"
110 gdb_test "cont" ".*\[Ww\]atch.*5.1415.*.*i = 0.*" "next hit"
115 ".*Delete all auto-display expressions.*y or n. $" \
119 # Test displaying a variable that is temporarily at a bad address.
120 # But if we can examine what's at memory address 0, then we'll also be
121 # able to display it without error. Don't run the test in that case.
123 gdb_test_multiple "x 0" "memory at address 0" {
124 -re "0x0:.*Cannot access memory at address 0x0.*$gdb_prompt $" { }
125 -re "0x0:.*Error accessing memory address 0x0.*$gdb_prompt $" { }
126 -re ".*$gdb_prompt $" {
131 if { !$can_read_0 } {
132 gdb_test "disp *p_i" ".*: \\*p_i = 0"
133 gdb_test "p p_i = 0x0" " = \\(int \\*\\) 0x0"
134 gdb_test "display" ".*: \\*p_i = <error: .*>" "display bad address"
135 gdb_test "p p_i = &i" " = \\(int \\*\\) $hex"
136 gdb_test "display" ".*: \\*p_i = 0" "display good address"
141 ".*Delete all auto-display expressions.*y or n. $" \
145 gdb_test "disab 3" ".*.*" "disab 3"
146 gdb_test "cont" ".*Breakpoint 4.*" "watch off"
148 # Now the printf tests
150 # The "finish" command may leave us mid-line in the caller on some
151 # targets, including but not limited to the m68k, i386 & PA. So we
152 # have to arrange to step until we hit the line with the call to
154 gdb_test_multiple "finish" "finish" {
155 -re ".*do_loops\\(\\);.*$gdb_prompt $" {
159 -re ".*do_vars.*$gdb_prompt $" {
164 gdb_test "step" ".*do_vars.*.*i = 9.*"
165 set bp_location3 [gdb_get_line_number "set breakpoint 3 here"]
166 gdb_test "tbreak $bp_location3" ".*breakpoint 5 a.*" "tbreak in do_vars"
167 gdb_test "cont" ".*do_vars.*$bp_location3.*$bp_location3.*"
169 # Beat on printf a bit
171 gdb_test "printf" ".*Argument required.*"
172 gdb_test "printf %d" ".*Bad format string, missing.*"
173 gdb_test "printf \"%d" ".*Bad format string, non-terminated.*"
174 gdb_test "printf \"%d%d\",i" ".*Wrong number of arguments.*"
175 gdb_test "printf \"\\\\!\\a\\f\\r\\t\\v\\b\\n\"" ".*!.*"
176 gdb_test_no_output "printf \"\"" "re-set term"
177 gdb_test "printf \"\\w\"" ".*Unrecognized escape character.*"
178 gdb_test "printf \"%d\" j" ".*Invalid argument syntax.*"
179 gdb_test "printf \"%p\\n\", 0" "\\(nil\\)"
180 gdb_test "printf \"%p\\n\", 1" "0x1"
182 # play with "print", too
184 gdb_test "print/z j" ".*Undefined output format.*"
185 gdb_test "print/d j" " = 0\[\\r\\n\]+" "debug test output 1"
186 gdb_test "print/r j" " = 0\[\\r\\n\]+" "debug test output 1a"
187 gdb_test "print/x j" " = 0x0\[\\r\\n\]+" "debug test output 2"
188 gdb_test "print/r j" " = 0x0\[\\r\\n\]+" "debug test output 2a"
189 gdb_test "print j" " = 0\[\\r\\n\]+" "debug test output 3"
191 # x/0 j doesn't produce any output and terminates PA64 process when testing
192 if [istarget "hppa2.0w-hp-hpux11*"] {
193 xfail "'x/0 j' terminates PA64 process - skipped test point"
195 gdb_test_no_output "x/0 j"
197 if [istarget "hppa*-hp-hpux*"] {
198 # on HP-UX you could access the first page without getting an error
199 gdb_test "x/rx j" ".*(Cannot access|Error accessing) memory.*|.*0xa:\[ \t\]*\[0-9\]+.*"
201 gdb_test "print/0 j" ".*Item count other than 1 is meaningless.*" "print/0 j"
202 gdb_test "print/s sum" " = 1000" "ignored s"
203 gdb_test "print/i sum" ".*Format letter.*is meaningless.*.*" "no i"
204 gdb_test "print/a &sum" ".*= $hex.*<sum>.*"
205 # If the constant below is larger than the length of main, then
206 # this test will (incorrectly) fail. So use a small number.
207 gdb_test "print/a main+4" ".*= $hex.*<.*>.*"
208 gdb_test "print/a \$pc" ".*= $hex.*<do_vars+.*>.*"
209 gdb_test "print/a &&j" ".*A .* error in expression.*"
215 # Restore the preserved old timeout value.
216 set timeout $oldtimeout
217 verbose "Timeout is now $timeout seconds" 2