1 # Copyright (C) 1998 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 2 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, write to the Free Software
15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 # Please email any bugs, comments, and/or additions to this file to:
18 # bug-gdb@prep.ai.mit.edu
22 # Support procedures for trace testing
27 # Procedure: gdb_target_supports_trace
28 # Returns true if GDB is connected to a target that supports tracing.
29 # Allows tests to abort early if not running on a trace-aware target.
32 proc gdb_target_supports_trace { } {
37 -re "\[Tt\]race can only be run on.*$gdb_prompt $" {
40 -re "\[Tt\]race can not be run on.*$gdb_prompt $" {
43 -re "\[Tt\]arget does not support.*$gdb_prompt $" {
46 -re ".*\[Ee\]rror.*$gdb_prompt $" {
49 -re ".*\[Ww\]arning.*$gdb_prompt $" {
52 -re ".*$gdb_prompt $" {
63 # Procedure: gdb_delete_tracepoints
64 # Many of the tests depend on setting tracepoints at various places and
65 # running until that tracepoint is reached. At times, we want to start
66 # with a clean slate with respect to tracepoints, so this utility proc
67 # lets us do this without duplicating this code everywhere.
70 proc gdb_delete_tracepoints {} {
73 send_gdb "delete tracepoints\n"
75 -re "Delete all tracepoints.*y or n.*$" {
79 -re ".*$gdb_prompt $" { # This happens if there were no tracepoints }
81 perror "Delete all tracepoints in delete_tracepoints (timeout)"
85 send_gdb "info tracepoints\n"
87 -re "No tracepoints.*$gdb_prompt $" {}
88 -re "$gdb_prompt $" { perror "tracepoints not deleted" ; return }
89 timeout { perror "info tracepoints (timeout)" ; return }
94 # Procedure: gdb_trace_setactions
95 # Define actions for a tracepoint.
97 # testname -- identifying string for pass/fail output
98 # tracepoint -- to which tracepoint do these actions apply? (optional)
99 # args -- list of actions to be defined.
102 # non-zero -- failure
104 proc gdb_trace_setactions { testname tracepoint args } {
109 send_gdb "actions $tracepoint\n";
110 set expected_result "";
112 -re "No tracepoint number .*$gdb_prompt $" {
116 -re "Enter actions for tracepoint $tracepoint.*>" {
117 if { [llength $args] > 0 } {
118 set lastcommand "[lindex $args $state]";
119 send_gdb "[lindex $args $state]\n";
121 set expected_result [lindex $args $state];
128 -re "\(.*\)\[\r\n\]+\[ \t]*> $" {
129 if { $expected_result != "" } {
130 regsub "^\[^\r\n\]+\[\r\n\]+" "$expect_out(1,string)" "" out;
131 if ![regexp $expected_result $out] {
134 set expected_result "";
136 if { $state < [llength $args] } {
137 send_gdb "[lindex $args $state]\n";
139 set expected_result [lindex $args $state];
143 set expected_result "";
147 -re "\(.*\)$gdb_prompt $" {
148 if { $expected_result != "" } {
149 if ![regexp $expected_result $expect_out(1,string)] {
152 set expected_result "";
154 if { [llength $args] < $state } {
162 if { $testname != "" } {
165 if { $passfail == "pass" } then {
173 # Procedure: gdb_tfind_test
174 # Find a specified trace frame.
176 # testname -- identifying string for pass/fail output
177 # tfind_arg -- frame (line, PC, etc.) identifier
178 # exp_res -- Expected result of frame test
179 # args -- Test expression
182 # non-zero -- failure
185 proc gdb_tfind_test { testname tfind_arg exp_res args } {
188 if { "$args" != "" } {
192 set expr "(int) \$trace_frame";
196 gdb_test "tfind $tfind_arg" "" ""
197 send_gdb "printf \"x \%d x\\n\", $expr\n";
199 -re "x (-*\[0-9\]+) x" {
200 if { $expect_out(1,string) == $exp_res } {
205 -re "$gdb_prompt $" { }
207 $passfail "$testname";
208 if { $passfail == "pass" } then {
216 # Procedure: gdb_readexpr
218 # gdb_expr -- the expression whose value is desired
220 # the value of gdb_expr, as evaluated by gdb.
221 # [FIXME: returns -1 on error, which is sometimes a legit value]
224 proc gdb_readexpr { gdb_expr } {
228 send_gdb "print $gdb_expr\n"
230 -re "\[$\].*= (\[0-9\]+).*$gdb_prompt $" {
231 set result $expect_out(1,string);
233 -re "$gdb_prompt $" { }
240 # Procedure: gdb_gettpnum
242 # tracepoint (optional): if supplied, set a tracepoint here.
244 # the tracepoint ID of the most recently set tracepoint.
247 proc gdb_gettpnum { tracepoint } {
250 if { $tracepoint != "" } {
251 gdb_test "trace $tracepoint" "" ""
253 return [gdb_readexpr "\$tpnum"];
258 # Procedure: gdb_find_function_baseline
260 # func_name -- name of source function
262 # Sourcefile line of function definition (open curly brace),
263 # or -1 on failure. Caller must check return value.
265 # Works only for open curly brace at beginning of source line!
268 proc gdb_find_function_baseline { func_name } {
273 send_gdb "list $func_name\n"
275 # -re "\[\r\n\]\[\{\].*$gdb_prompt $" {
282 # Procedure: gdb_find_function_baseline
284 # filename: name of source file of desired function.
286 # Sourcefile line of function definition (open curly brace),
287 # or -1 on failure. Caller must check return value.
289 # Works only for open curly brace at beginning of source line!
292 proc gdb_find_recursion_test_baseline { filename } {
297 gdb_test "list $filename:1" "" ""
298 send_gdb "search gdb_recursion_test line 0\n"
300 -re "(\[0-9\]+)\[\t \]+\{.*line 0.*$gdb_prompt $" {
301 set baseline $expect_out(1,string);
303 -re "$gdb_prompt $" { }