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# Copyright (C) 1998, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
 
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see .
 
 
#
# Support procedures for trace testing
#
 
 
#
# Procedure: gdb_target_supports_trace
# Returns true if GDB is connected to a target that supports tracing.
# Allows tests to abort early if not running on a trace-aware target.
#
 
proc gdb_target_supports_trace { } {
    global gdb_prompt
 
    send_gdb "tstatus\n"
    gdb_expect {
        -re "\[Tt\]race can only be run on.*$gdb_prompt $" {
            return 0
        }
        -re "\[Tt\]race can not be run on.*$gdb_prompt $" {
            return 0
        }
        -re "\[Tt\]arget does not support.*$gdb_prompt $" {
            return 0
        }
        -re ".*\[Ee\]rror.*$gdb_prompt $" {
            return 0
        }
        -re ".*\[Ww\]arning.*$gdb_prompt $" {
            return 0
        }
        -re ".*$gdb_prompt $" {
            return 1
        }
        timeout {
            return 0
        }
    }
}
 
 
#
# Procedure: gdb_delete_tracepoints
# Many of the tests depend on setting tracepoints at various places and
# running until that tracepoint is reached.  At times, we want to start
# with a clean slate with respect to tracepoints, so this utility proc
# lets us do this without duplicating this code everywhere.
#
 
proc gdb_delete_tracepoints {} {
    global gdb_prompt
 
    send_gdb "delete tracepoints\n"
    gdb_expect 30 {
        -re "Delete all tracepoints.*y or n.*$" {
            send_gdb "y\n";
            exp_continue
        }
        -re ".*$gdb_prompt $" { # This happens if there were no tracepoints }
        timeout {
            perror "Delete all tracepoints in delete_tracepoints (timeout)"
            return
        }
    }
    send_gdb "info tracepoints\n"
    gdb_expect 30 {
         -re "No tracepoints.*$gdb_prompt $" {}
         -re "$gdb_prompt $" { perror "tracepoints not deleted" ; return }
         timeout { perror "info tracepoints (timeout)" ; return }
    }
}
 
#
# Procedure: gdb_trace_setactions
#   Define actions for a tracepoint.
#   Arguments:
#       testname   -- identifying string for pass/fail output
#       tracepoint -- to which tracepoint do these actions apply? (optional)
#       args       -- list of actions to be defined.
#   Returns:
#       zero       -- success
#       non-zero   -- failure
 
proc gdb_trace_setactions { testname tracepoint args } {
    global gdb_prompt;
 
    set state 0;
    set passfail "pass";
    send_gdb "actions $tracepoint\n";
    set expected_result "";
    gdb_expect 5 {
        -re "No tracepoint number .*$gdb_prompt $" {
            fail $testname
            return 1;
        }
        -re "Enter actions for tracepoint $tracepoint.*>" {
            if { [llength $args] > 0 } {
                set lastcommand "[lindex $args $state]";
                send_gdb "[lindex $args $state]\n";
                incr state;
                set expected_result [lindex $args $state];
                incr state;
            } else {
                send_gdb "end\n";
            }
            exp_continue;
        }
        -re "\(.*\)\[\r\n\]+\[ \t]*> $" {
            if { $expected_result != "" } {
                regsub "^\[^\r\n\]+\[\r\n\]+" "$expect_out(1,string)" "" out;
                if ![regexp $expected_result $out] {
                    set passfail "fail";
                }
                set expected_result "";
            }
            if { $state < [llength $args] } {
                send_gdb "[lindex $args $state]\n";
                incr state;
                set expected_result [lindex $args $state];
                incr state;
            } else {
                send_gdb "end\n";
                set expected_result "";
            }
            exp_continue;
        }
        -re "\(.*\)$gdb_prompt $" {
            if { $expected_result != "" } {
                if ![regexp $expected_result $expect_out(1,string)] {
                    set passfail "fail";
                }
                set expected_result "";
            }
            if { [llength $args] < $state } {
                set passfail "fail";
            }
        }
        default {
            set passfail "fail";
        }
    }
    if { $testname != "" } {
        $passfail $testname;
    }
    if { $passfail == "pass" } then {
        return 0;
    } else {
        return 1;
    }
}
 
#
# Procedure: gdb_tfind_test
#   Find a specified trace frame.
#   Arguments:
#       testname   -- identifying string for pass/fail output
#       tfind_arg  -- frame (line, PC, etc.) identifier
#       exp_res    -- Expected result of frame test
#       args       -- Test expression
#   Returns:
#       zero       -- success
#       non-zero   -- failure
#
 
proc gdb_tfind_test { testname tfind_arg exp_res args } {
    global gdb_prompt;
 
    if { "$args" != "" } {
        set expr "$exp_res";
        set exp_res "$args";
    } else {
        set expr "(int) \$trace_frame";
    }
    set passfail "fail";
 
    gdb_test "tfind $tfind_arg" "" ""
    send_gdb "printf \"x \%d x\\n\", $expr\n";
    gdb_expect 10 {
        -re "x (-*\[0-9\]+) x" {
            if { $expect_out(1,string) == $exp_res } {
                set passfail "pass";
            }
            exp_continue;
        }
        -re "$gdb_prompt $" { }
    }
    $passfail "$testname";
    if { $passfail == "pass" } then {
        return 0;
    } else {
        return 1;
    }
}
 
#
# Procedure: gdb_readexpr
#   Arguments:
#       gdb_expr    -- the expression whose value is desired
#   Returns:
#       the value of gdb_expr, as evaluated by gdb.
#       [FIXME: returns -1 on error, which is sometimes a legit value]
#
 
proc gdb_readexpr { gdb_expr } {
    global gdb_prompt;
 
    set result -1;
    send_gdb "print $gdb_expr\n"
    gdb_expect 5 {
        -re "\[$\].*= (\[0-9\]+).*$gdb_prompt $" {
            set result $expect_out(1,string);
        }
        -re "$gdb_prompt $" { }
        default { }
    }
    return $result;
}
 
#
# Procedure: gdb_gettpnum
#   Arguments:
#       tracepoint (optional): if supplied, set a tracepoint here.
#   Returns:
#       the tracepoint ID of the most recently set tracepoint.
#
 
proc gdb_gettpnum { tracepoint } {
    global gdb_prompt;
 
    if { $tracepoint != "" } {
        gdb_test "trace $tracepoint" "" ""
    }
    return [gdb_readexpr "\$tpnum"];
}
 
 
#
# Procedure: gdb_find_function_baseline
#   Arguments:
#       func_name -- name of source function
#   Returns:
#       Sourcefile line of function definition (open curly brace),
#       or -1 on failure.  Caller must check return value.
#   Note:
#       Works only for open curly brace at beginning of source line!
#
 
proc gdb_find_function_baseline { func_name } {
    global gdb_prompt;
 
    set baseline -1;
 
    send_gdb "list $func_name\n"
#    gdb_expect {
#       -re "\[\r\n\]\[\{\].*$gdb_prompt $" {
#           set baseline 1
#        }
#    }
}
 
#
# Procedure: gdb_find_function_baseline
#   Arguments:
#       filename: name of source file of desired function.
#   Returns:
#       Sourcefile line of function definition (open curly brace),
#       or -1 on failure.  Caller must check return value.
#   Note:
#       Works only for open curly brace at beginning of source line!
#
 
proc gdb_find_recursion_test_baseline { filename } {
    global gdb_prompt;
 
    set baseline -1;
 
    gdb_test "list $filename:1" "" ""
    send_gdb "search gdb_recursion_test line 0\n"
    gdb_expect {
        -re "(\[0-9\]+)\[\t \]+\{.*line 0.*$gdb_prompt $" {
            set baseline $expect_out(1,string);
        }
        -re "$gdb_prompt $" { }
        default { }
    }
    return $baseline;
}

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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.1/] [gdb/] [testsuite/] [lib/] [trace-support.exp] - Blame information for rev 252

Line No.	Rev	Author	Line
1	227	jeremybenn	`# Copyright (C) 1998, 2007, 2008, 2009, 2010 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 .`
15
16
17			`#`
18			`# Support procedures for trace testing`
19			`#`
20
21
22			`#`
23			`# Procedure: gdb_target_supports_trace`
24			`# Returns true if GDB is connected to a target that supports tracing.`
25			`# Allows tests to abort early if not running on a trace-aware target.`
26			`#`
27
28			`proc gdb_target_supports_trace { } {`
29			`global gdb_prompt`
30
31			`send_gdb "tstatus\n"`
32			`gdb_expect {`
33			`-re "\[Tt\]race can only be run on.*$gdb_prompt $" {`
34			`return 0`
35			`}`
36			`-re "\[Tt\]race can not be run on.*$gdb_prompt $" {`
37			`return 0`
38			`}`
39			`-re "\[Tt\]arget does not support.*$gdb_prompt $" {`
40			`return 0`
41			`}`
42			`-re ".\[Ee\]rror.$gdb_prompt $" {`
43			`return 0`
44			`}`
45			`-re ".\[Ww\]arning.$gdb_prompt $" {`
46			`return 0`
47			`}`
48			`-re ".*$gdb_prompt $" {`
49			`return 1`
50			`}`
51			`timeout {`
52			`return 0`
53			`}`
54			`}`
55			`}`
56
57
58			`#`
59			`# Procedure: gdb_delete_tracepoints`
60			`# Many of the tests depend on setting tracepoints at various places and`
61			`# running until that tracepoint is reached. At times, we want to start`
62			`# with a clean slate with respect to tracepoints, so this utility proc`
63			`# lets us do this without duplicating this code everywhere.`
64			`#`
65
66			`proc gdb_delete_tracepoints {} {`
67			`global gdb_prompt`
68
69			`send_gdb "delete tracepoints\n"`
70			`gdb_expect 30 {`
71			`-re "Delete all tracepoints.y or n.$" {`
72			`send_gdb "y\n";`
73			`exp_continue`
74			`}`
75			`-re ".*$gdb_prompt $" { # This happens if there were no tracepoints }`
76			`timeout {`
77			`perror "Delete all tracepoints in delete_tracepoints (timeout)"`
78			`return`
79			`}`
80			`}`
81			`send_gdb "info tracepoints\n"`
82			`gdb_expect 30 {`
83			`-re "No tracepoints.*$gdb_prompt $" {}`
84			`-re "$gdb_prompt $" { perror "tracepoints not deleted" ; return }`
85			`timeout { perror "info tracepoints (timeout)" ; return }`
86			`}`
87			`}`
88
89			`#`
90			`# Procedure: gdb_trace_setactions`
91			`# Define actions for a tracepoint.`
92			`# Arguments:`
93			`# testname -- identifying string for pass/fail output`
94			`# tracepoint -- to which tracepoint do these actions apply? (optional)`
95			`# args -- list of actions to be defined.`
96			`# Returns:`
97			`# zero -- success`
98			`# non-zero -- failure`
99
100			`proc gdb_trace_setactions { testname tracepoint args } {`
101			`global gdb_prompt;`
102
103			`set state 0;`
104			`set passfail "pass";`
105			`send_gdb "actions $tracepoint\n";`
106			`set expected_result "";`
107			`gdb_expect 5 {`
108			`-re "No tracepoint number .*$gdb_prompt $" {`
109			`fail $testname`
110			`return 1;`
111			`}`
112			`-re "Enter actions for tracepoint $tracepoint.*>" {`
113			`if { [llength $args] > 0 } {`
114			`set lastcommand "[lindex $args $state]";`
115			`send_gdb "[lindex $args $state]\n";`
116			`incr state;`
117			`set expected_result [lindex $args $state];`
118			`incr state;`
119			`} else {`
120			`send_gdb "end\n";`
121			`}`
122			`exp_continue;`
123			`}`
124			`-re "\(.\)\[\r\n\]+\[ \t]> $" {`
125			`if { $expected_result != "" } {`
126			`regsub "^\[^\r\n\]+\[\r\n\]+" "$expect_out(1,string)" "" out;`
127			`if ![regexp $expected_result $out] {`
128			`set passfail "fail";`
129			`}`
130			`set expected_result "";`
131			`}`
132			`if { $state < [llength $args] } {`
133			`send_gdb "[lindex $args $state]\n";`
134			`incr state;`
135			`set expected_result [lindex $args $state];`
136			`incr state;`
137			`} else {`
138			`send_gdb "end\n";`
139			`set expected_result "";`
140			`}`
141			`exp_continue;`
142			`}`
143			`-re "\(.*\)$gdb_prompt $" {`
144			`if { $expected_result != "" } {`
145			`if ![regexp $expected_result $expect_out(1,string)] {`
146			`set passfail "fail";`
147			`}`
148			`set expected_result "";`
149			`}`
150			`if { [llength $args] < $state } {`
151			`set passfail "fail";`
152			`}`
153			`}`
154			`default {`
155			`set passfail "fail";`
156			`}`
157			`}`
158			`if { $testname != "" } {`
159			`$passfail $testname;`
160			`}`
161			`if { $passfail == "pass" } then {`
162			`return 0;`
163			`} else {`
164			`return 1;`
165			`}`
166			`}`
167
168			`#`
169			`# Procedure: gdb_tfind_test`
170			`# Find a specified trace frame.`
171			`# Arguments:`
172			`# testname -- identifying string for pass/fail output`
173			`# tfind_arg -- frame (line, PC, etc.) identifier`
174			`# exp_res -- Expected result of frame test`
175			`# args -- Test expression`
176			`# Returns:`
177			`# zero -- success`
178			`# non-zero -- failure`
179			`#`
180
181			`proc gdb_tfind_test { testname tfind_arg exp_res args } {`
182			`global gdb_prompt;`
183
184			`if { "$args" != "" } {`
185			`set expr "$exp_res";`
186			`set exp_res "$args";`
187			`} else {`
188			`set expr "(int) \$trace_frame";`
189			`}`
190			`set passfail "fail";`
191
192			`gdb_test "tfind $tfind_arg" "" ""`
193			`send_gdb "printf \"x \%d x\\n\", $expr\n";`
194			`gdb_expect 10 {`
195			`-re "x (-*\[0-9\]+) x" {`
196			`if { $expect_out(1,string) == $exp_res } {`
197			`set passfail "pass";`
198			`}`
199			`exp_continue;`
200			`}`
201			`-re "$gdb_prompt $" { }`
202			`}`
203			`$passfail "$testname";`
204			`if { $passfail == "pass" } then {`
205			`return 0;`
206			`} else {`
207			`return 1;`
208			`}`
209			`}`
210
211			`#`
212			`# Procedure: gdb_readexpr`
213			`# Arguments:`
214			`# gdb_expr -- the expression whose value is desired`
215			`# Returns:`
216			`# the value of gdb_expr, as evaluated by gdb.`
217			`# [FIXME: returns -1 on error, which is sometimes a legit value]`
218			`#`
219
220			`proc gdb_readexpr { gdb_expr } {`
221			`global gdb_prompt;`
222
223			`set result -1;`
224			`send_gdb "print $gdb_expr\n"`
225			`gdb_expect 5 {`
226			`-re "\[$\].= (\[0-9\]+).$gdb_prompt $" {`
227			`set result $expect_out(1,string);`
228			`}`
229			`-re "$gdb_prompt $" { }`
230			`default { }`
231			`}`
232			`return $result;`
233			`}`
234
235			`#`
236			`# Procedure: gdb_gettpnum`
237			`# Arguments:`
238			`# tracepoint (optional): if supplied, set a tracepoint here.`
239			`# Returns:`
240			`# the tracepoint ID of the most recently set tracepoint.`
241			`#`
242
243			`proc gdb_gettpnum { tracepoint } {`
244			`global gdb_prompt;`
245
246			`if { $tracepoint != "" } {`
247			`gdb_test "trace $tracepoint" "" ""`
248			`}`
249			`return [gdb_readexpr "\$tpnum"];`
250			`}`
251
252
253			`#`
254			`# Procedure: gdb_find_function_baseline`
255			`# Arguments:`
256			`# func_name -- name of source function`
257			`# Returns:`
258			`# Sourcefile line of function definition (open curly brace),`
259			`# or -1 on failure. Caller must check return value.`
260			`# Note:`
261			`# Works only for open curly brace at beginning of source line!`
262			`#`
263
264			`proc gdb_find_function_baseline { func_name } {`
265			`global gdb_prompt;`
266
267			`set baseline -1;`
268
269			`send_gdb "list $func_name\n"`
270			`# gdb_expect {`
271			`# -re "\[\r\n\]\[\{\].*$gdb_prompt $" {`
272			`# set baseline 1`
273			`# }`
274			`# }`
275			`}`
276
277			`#`
278			`# Procedure: gdb_find_function_baseline`
279			`# Arguments:`
280			`# filename: name of source file of desired function.`
281			`# Returns:`
282			`# Sourcefile line of function definition (open curly brace),`
283			`# or -1 on failure. Caller must check return value.`
284			`# Note:`
285			`# Works only for open curly brace at beginning of source line!`
286			`#`
287
288			`proc gdb_find_recursion_test_baseline { filename } {`
289			`global gdb_prompt;`
290
291			`set baseline -1;`
292
293			`gdb_test "list $filename:1" "" ""`
294			`send_gdb "search gdb_recursion_test line 0\n"`
295			`gdb_expect {`
296			`-re "(\[0-9\]+)\[\t \]+\{.line 0.$gdb_prompt $" {`
297			`set baseline $expect_out(1,string);`
298			`}`
299			`-re "$gdb_prompt $" { }`
300			`default { }`
301			`}`
302			`return $baseline;`
303			`}`