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# Copyright (C) 1998, 2007, 2008 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 .
 
# Please email any bugs, comments, and/or additions to this file to:
# bug-gdb@prep.ai.mit.edu
 
 
#
# 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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[/] [scarts/] [trunk/] [toolchain/] [scarts-gdb/] [gdb-6.8/] [gdb/] [testsuite/] [lib/] [trace-support.exp] - Blame information for rev 25

Line No.	Rev	Author	Line
1	25	jlechner	`# Copyright (C) 1998, 2007, 2008 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			`# Please email any bugs, comments, and/or additions to this file to:`
17			`# bug-gdb@prep.ai.mit.edu`
18
19
20			`#`
21			`# Support procedures for trace testing`
22			`#`
23
24
25			`#`
26			`# Procedure: gdb_target_supports_trace`
27			`# Returns true if GDB is connected to a target that supports tracing.`
28			`# Allows tests to abort early if not running on a trace-aware target.`
29			`#`
30
31			`proc gdb_target_supports_trace { } {`
32			`global gdb_prompt`
33
34			`send_gdb "tstatus\n"`
35			`gdb_expect {`
36			`-re "\[Tt\]race can only be run on.*$gdb_prompt $" {`
37			`return 0`
38			`}`
39			`-re "\[Tt\]race can not be run on.*$gdb_prompt $" {`
40			`return 0`
41			`}`
42			`-re "\[Tt\]arget does not support.*$gdb_prompt $" {`
43			`return 0`
44			`}`
45			`-re ".\[Ee\]rror.$gdb_prompt $" {`
46			`return 0`
47			`}`
48			`-re ".\[Ww\]arning.$gdb_prompt $" {`
49			`return 0`
50			`}`
51			`-re ".*$gdb_prompt $" {`
52			`return 1`
53			`}`
54			`timeout {`
55			`return 0`
56			`}`
57			`}`
58			`}`
59
60
61			`#`
62			`# Procedure: gdb_delete_tracepoints`
63			`# Many of the tests depend on setting tracepoints at various places and`
64			`# running until that tracepoint is reached. At times, we want to start`
65			`# with a clean slate with respect to tracepoints, so this utility proc`
66			`# lets us do this without duplicating this code everywhere.`
67			`#`
68
69			`proc gdb_delete_tracepoints {} {`
70			`global gdb_prompt`
71
72			`send_gdb "delete tracepoints\n"`
73			`gdb_expect 30 {`
74			`-re "Delete all tracepoints.y or n.$" {`
75			`send_gdb "y\n";`
76			`exp_continue`
77			`}`
78			`-re ".*$gdb_prompt $" { # This happens if there were no tracepoints }`
79			`timeout {`
80			`perror "Delete all tracepoints in delete_tracepoints (timeout)"`
81			`return`
82			`}`
83			`}`
84			`send_gdb "info tracepoints\n"`
85			`gdb_expect 30 {`
86			`-re "No tracepoints.*$gdb_prompt $" {}`
87			`-re "$gdb_prompt $" { perror "tracepoints not deleted" ; return }`
88			`timeout { perror "info tracepoints (timeout)" ; return }`
89			`}`
90			`}`
91
92			`#`
93			`# Procedure: gdb_trace_setactions`
94			`# Define actions for a tracepoint.`
95			`# Arguments:`
96			`# testname -- identifying string for pass/fail output`
97			`# tracepoint -- to which tracepoint do these actions apply? (optional)`
98			`# args -- list of actions to be defined.`
99			`# Returns:`
100			`# zero -- success`
101			`# non-zero -- failure`
102
103			`proc gdb_trace_setactions { testname tracepoint args } {`
104			`global gdb_prompt;`
105
106			`set state 0;`
107			`set passfail "pass";`
108			`send_gdb "actions $tracepoint\n";`
109			`set expected_result "";`
110			`gdb_expect 5 {`
111			`-re "No tracepoint number .*$gdb_prompt $" {`
112			`fail $testname`
113			`return 1;`
114			`}`
115			`-re "Enter actions for tracepoint $tracepoint.*>" {`
116			`if { [llength $args] > 0 } {`
117			`set lastcommand "[lindex $args $state]";`
118			`send_gdb "[lindex $args $state]\n";`
119			`incr state;`
120			`set expected_result [lindex $args $state];`
121			`incr state;`
122			`} else {`
123			`send_gdb "end\n";`
124			`}`
125			`exp_continue;`
126			`}`
127			`-re "\(.\)\[\r\n\]+\[ \t]> $" {`
128			`if { $expected_result != "" } {`
129			`regsub "^\[^\r\n\]+\[\r\n\]+" "$expect_out(1,string)" "" out;`
130			`if ![regexp $expected_result $out] {`
131			`set passfail "fail";`
132			`}`
133			`set expected_result "";`
134			`}`
135			`if { $state < [llength $args] } {`
136			`send_gdb "[lindex $args $state]\n";`
137			`incr state;`
138			`set expected_result [lindex $args $state];`
139			`incr state;`
140			`} else {`
141			`send_gdb "end\n";`
142			`set expected_result "";`
143			`}`
144			`exp_continue;`
145			`}`
146			`-re "\(.*\)$gdb_prompt $" {`
147			`if { $expected_result != "" } {`
148			`if ![regexp $expected_result $expect_out(1,string)] {`
149			`set passfail "fail";`
150			`}`
151			`set expected_result "";`
152			`}`
153			`if { [llength $args] < $state } {`
154			`set passfail "fail";`
155			`}`
156			`}`
157			`default {`
158			`set passfail "fail";`
159			`}`
160			`}`
161			`if { $testname != "" } {`
162			`$passfail $testname;`
163			`}`
164			`if { $passfail == "pass" } then {`
165			`return 0;`
166			`} else {`
167			`return 1;`
168			`}`
169			`}`
170
171			`#`
172			`# Procedure: gdb_tfind_test`
173			`# Find a specified trace frame.`
174			`# Arguments:`
175			`# testname -- identifying string for pass/fail output`
176			`# tfind_arg -- frame (line, PC, etc.) identifier`
177			`# exp_res -- Expected result of frame test`
178			`# args -- Test expression`
179			`# Returns:`
180			`# zero -- success`
181			`# non-zero -- failure`
182			`#`
183
184			`proc gdb_tfind_test { testname tfind_arg exp_res args } {`
185			`global gdb_prompt;`
186
187			`if { "$args" != "" } {`
188			`set expr "$exp_res";`
189			`set exp_res "$args";`
190			`} else {`
191			`set expr "(int) \$trace_frame";`
192			`}`
193			`set passfail "fail";`
194
195			`gdb_test "tfind $tfind_arg" "" ""`
196			`send_gdb "printf \"x \%d x\\n\", $expr\n";`
197			`gdb_expect 10 {`
198			`-re "x (-*\[0-9\]+) x" {`
199			`if { $expect_out(1,string) == $exp_res } {`
200			`set passfail "pass";`
201			`}`
202			`exp_continue;`
203			`}`
204			`-re "$gdb_prompt $" { }`
205			`}`
206			`$passfail "$testname";`
207			`if { $passfail == "pass" } then {`
208			`return 0;`
209			`} else {`
210			`return 1;`
211			`}`
212			`}`
213
214			`#`
215			`# Procedure: gdb_readexpr`
216			`# Arguments:`
217			`# gdb_expr -- the expression whose value is desired`
218			`# Returns:`
219			`# the value of gdb_expr, as evaluated by gdb.`
220			`# [FIXME: returns -1 on error, which is sometimes a legit value]`
221			`#`
222
223			`proc gdb_readexpr { gdb_expr } {`
224			`global gdb_prompt;`
225
226			`set result -1;`
227			`send_gdb "print $gdb_expr\n"`
228			`gdb_expect 5 {`
229			`-re "\[$\].= (\[0-9\]+).$gdb_prompt $" {`
230			`set result $expect_out(1,string);`
231			`}`
232			`-re "$gdb_prompt $" { }`
233			`default { }`
234			`}`
235			`return $result;`
236			`}`
237
238			`#`
239			`# Procedure: gdb_gettpnum`
240			`# Arguments:`
241			`# tracepoint (optional): if supplied, set a tracepoint here.`
242			`# Returns:`
243			`# the tracepoint ID of the most recently set tracepoint.`
244			`#`
245
246			`proc gdb_gettpnum { tracepoint } {`
247			`global gdb_prompt;`
248
249			`if { $tracepoint != "" } {`
250			`gdb_test "trace $tracepoint" "" ""`
251			`}`
252			`return [gdb_readexpr "\$tpnum"];`
253			`}`
254
255
256			`#`
257			`# Procedure: gdb_find_function_baseline`
258			`# Arguments:`
259			`# func_name -- name of source function`
260			`# Returns:`
261			`# Sourcefile line of function definition (open curly brace),`
262			`# or -1 on failure. Caller must check return value.`
263			`# Note:`
264			`# Works only for open curly brace at beginning of source line!`
265			`#`
266
267			`proc gdb_find_function_baseline { func_name } {`
268			`global gdb_prompt;`
269
270			`set baseline -1;`
271
272			`send_gdb "list $func_name\n"`
273			`# gdb_expect {`
274			`# -re "\[\r\n\]\[\{\].*$gdb_prompt $" {`
275			`# set baseline 1`
276			`# }`
277			`# }`
278			`}`
279
280			`#`
281			`# Procedure: gdb_find_function_baseline`
282			`# Arguments:`
283			`# filename: name of source file of desired function.`
284			`# Returns:`
285			`# Sourcefile line of function definition (open curly brace),`
286			`# or -1 on failure. Caller must check return value.`
287			`# Note:`
288			`# Works only for open curly brace at beginning of source line!`
289			`#`
290
291			`proc gdb_find_recursion_test_baseline { filename } {`
292			`global gdb_prompt;`
293
294			`set baseline -1;`
295
296			`gdb_test "list $filename:1" "" ""`
297			`send_gdb "search gdb_recursion_test line 0\n"`
298			`gdb_expect {`
299			`-re "(\[0-9\]+)\[\t \]+\{.line 0.$gdb_prompt $" {`
300			`set baseline $expect_out(1,string);`
301			`}`
302			`-re "$gdb_prompt $" { }`
303			`default { }`
304			`}`
305			`return $baseline;`
306			`}`