dprintf.exp revision 1.3 
1#   Copyright (C) 2012-2015 Free Software Foundation, Inc.
2
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.
7#
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.
12#
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/>.
15
16
17if { [prepare_for_testing dprintf.exp "dprintf" {} {debug}] } {
18    return -1
19}
20
21set srcfile dprintf.c
22
23set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
24set dp_location1 [gdb_get_line_number "set dprintf 1 here"]
25
26if ![runto main] {
27    return -1
28}
29
30gdb_test "dprintf" "Format string required"
31
32gdb_test "dprintf foo" "Format string required"
33
34gdb_test "dprintf 29" "Format string required"
35
36delete_breakpoints
37
38gdb_breakpoint "main"
39
40gdb_test "dprintf foo,\"At foo entry\\n\"" \
41  "Dprintf .*"
42
43gdb_test "ignore \$bpnum 1" ".*Will ignore next crossing of breakpoint.*"
44
45gdb_test "dprintf $dp_location1,\"arg=%d, g=%d\\n\", arg, g" \
46  "Dprintf .*"
47
48gdb_test_sequence "info breakpoints" "dprintf info 1" {
49    "\[\r\n\]Num     Type           Disp Enb Address +What"
50    "\[\r\n\]2       breakpoint"
51    "\[\r\n\]3       dprintf"
52    "\[\r\n\]        printf \"At foo entry\\\\n\""
53    "\[\r\n\]4       dprintf"
54    "\[\r\n\]        printf \"arg=%d, g=%d\\\\n\", arg, g"
55}
56
57gdb_test "break $bp_location1" \
58  "Breakpoint .*"
59
60gdb_run_cmd
61
62gdb_test "" "Breakpoint"
63
64gdb_test "continue" "arg=1234, g=1234.*" "1st dprintf, gdb"
65
66gdb_test "continue" "At foo entry.*arg=1235, g=2222.*" "2nd dprintf, gdb"
67
68# The "call" style depends on having I/O functions available, so test.
69
70if ![target_info exists gdb,noinferiorio] {
71
72    # Now switch styles and rerun; in the absence of redirection the
73    # output should be the same.
74
75    gdb_test_no_output "set dprintf-style call" "Set dprintf style to call"
76
77    gdb_run_cmd
78
79    gdb_test "" "Breakpoint"
80
81    gdb_test "continue" "At foo entry.*arg=1234, g=1234.*" "1st dprintf, call"
82
83    gdb_test "continue" "At foo entry.*arg=1235, g=2222.*" "2nd dprintf, call"
84
85    gdb_test_no_output "set dprintf-function fprintf" "Set dprintf function"
86    gdb_test_no_output "set dprintf-channel stderr" "Set dprintf channel"
87
88    gdb_run_cmd
89
90    gdb_test "" "Breakpoint"
91
92    gdb_test "continue" "At foo entry.*arg=1234, g=1234.*" \
93	"1st dprintf, fprintf"
94
95    gdb_test "continue" "At foo entry.*arg=1235, g=2222.*" \
96	"2nd dprintf, fprintf"
97}
98
99# Now test the "agent" style.
100
101set target_can_dprintf 1
102set msg "set dprintf style to agent"
103gdb_test_multiple "set dprintf-style agent" $msg {
104    -re "warning: Target cannot run dprintf commands.*\r\n$gdb_prompt $" {
105
106	# The target reports that it doesn't support target side
107	# commands at all.
108	set target_can_dprintf 0
109	unsupported "$msg"
110    }
111    -re ".*$gdb_prompt $" {
112	pass "$msg"
113    }
114}
115
116if $target_can_dprintf {
117    gdb_run_cmd
118
119    gdb_test "" "Breakpoint"
120
121    # Even if the the target reports that it does support target side
122    # commands, we can only tell that it supports them in combination
123    # with a particular breakpoint type (Z0, Z1, etc.) when we try to
124    # insert the breakpoint.  When "set breakpoint always-inserted is
125    # off", that'll be on next continue.
126    set msg "1st dprintf, agent"
127    gdb_test_multiple "continue" $msg {
128	-re "Warning:.*Target doesn't support breakpoints that have target side commands.*\r\n$gdb_prompt $" {
129	    set target_can_dprintf 0
130	    unsupported "$msg"
131	}
132	-re "Breakpoint \[0-9\]+, foo .*$gdb_prompt $" {
133	    pass "$msg"
134	}
135    }
136
137    if $target_can_dprintf {
138	gdb_test "continue" "Breakpoint \[0-9\]+, foo .*" "2nd dprintf, agent"
139
140	gdb_test_sequence "info breakpoints" "dprintf info 2" {
141	    "\[\r\n\]Num     Type           Disp Enb Address +What"
142	    "\[\r\n\]2       breakpoint"
143	    "\[\r\n\]\tbreakpoint already hit 2 times"
144	    "\[\r\n\]3       dprintf"
145	    "\[\r\n\]\tbreakpoint already hit 2 times"
146	    "\[\r\n\]        agent-printf \"At foo entry\\\\n\""
147	    "\[\r\n\]4       dprintf"
148	    "\[\r\n\]\tbreakpoint already hit 2 times"
149	    "\[\r\n\]        agent-printf \"arg=%d, g=%d\\\\n\", arg, g"
150	}
151    }
152}
153
154gdb_test "set dprintf-style foobar" "Undefined item: \"foobar\"." \
155    "Set dprintf style to an unrecognized type"
156
157# Test that force-disabling the BreakpointCommands RSP feature works
158# as expected.  dprintf relies on support for target-side breakpoint
159# commands --- use it as proxy.
160if [gdb_is_target_remote] {
161    gdb_test_no_output "set remote breakpoint-commands-packet off"
162    gdb_test "set dprintf-style agent" \
163	"warning: Target cannot run dprintf commands.*" \
164	"set dprintf-style agent, with feature disabled"
165}
166