e22f8b7c8c
Switch the license of all .f and .f90 files to GPLv3.
Switch the license of all .s and .S files to GPLv3.
306 lines
7.1 KiB
Text
306 lines
7.1 KiB
Text
# Copyright (C) 1998, 2007 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Please email any bugs, comments, and/or additions to this file to:
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# bug-gdb@prep.ai.mit.edu
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#
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# Support procedures for trace testing
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#
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#
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# Procedure: gdb_target_supports_trace
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# Returns true if GDB is connected to a target that supports tracing.
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# Allows tests to abort early if not running on a trace-aware target.
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#
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proc gdb_target_supports_trace { } {
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global gdb_prompt
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send_gdb "tstatus\n"
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gdb_expect {
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-re "\[Tt\]race can only be run on.*$gdb_prompt $" {
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return 0
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}
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-re "\[Tt\]race can not be run on.*$gdb_prompt $" {
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return 0
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}
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-re "\[Tt\]arget does not support.*$gdb_prompt $" {
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return 0
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}
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-re ".*\[Ee\]rror.*$gdb_prompt $" {
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return 0
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}
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-re ".*\[Ww\]arning.*$gdb_prompt $" {
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return 0
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}
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-re ".*$gdb_prompt $" {
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return 1
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}
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timeout {
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return 0
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}
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}
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}
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#
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# Procedure: gdb_delete_tracepoints
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# Many of the tests depend on setting tracepoints at various places and
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# running until that tracepoint is reached. At times, we want to start
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# with a clean slate with respect to tracepoints, so this utility proc
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# lets us do this without duplicating this code everywhere.
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#
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proc gdb_delete_tracepoints {} {
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global gdb_prompt
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send_gdb "delete tracepoints\n"
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gdb_expect 30 {
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-re "Delete all tracepoints.*y or n.*$" {
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send_gdb "y\n";
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exp_continue
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}
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-re ".*$gdb_prompt $" { # This happens if there were no tracepoints }
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timeout {
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perror "Delete all tracepoints in delete_tracepoints (timeout)"
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return
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}
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}
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send_gdb "info tracepoints\n"
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gdb_expect 30 {
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-re "No tracepoints.*$gdb_prompt $" {}
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-re "$gdb_prompt $" { perror "tracepoints not deleted" ; return }
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timeout { perror "info tracepoints (timeout)" ; return }
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}
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}
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#
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# Procedure: gdb_trace_setactions
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# Define actions for a tracepoint.
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# Arguments:
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# testname -- identifying string for pass/fail output
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# tracepoint -- to which tracepoint do these actions apply? (optional)
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# args -- list of actions to be defined.
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# Returns:
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# zero -- success
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# non-zero -- failure
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proc gdb_trace_setactions { testname tracepoint args } {
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global gdb_prompt;
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set state 0;
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set passfail "pass";
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send_gdb "actions $tracepoint\n";
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set expected_result "";
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gdb_expect 5 {
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-re "No tracepoint number .*$gdb_prompt $" {
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fail $testname
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return 1;
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}
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-re "Enter actions for tracepoint $tracepoint.*>" {
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if { [llength $args] > 0 } {
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set lastcommand "[lindex $args $state]";
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send_gdb "[lindex $args $state]\n";
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incr state;
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set expected_result [lindex $args $state];
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incr state;
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} else {
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send_gdb "end\n";
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}
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exp_continue;
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}
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-re "\(.*\)\[\r\n\]+\[ \t]*> $" {
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if { $expected_result != "" } {
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regsub "^\[^\r\n\]+\[\r\n\]+" "$expect_out(1,string)" "" out;
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if ![regexp $expected_result $out] {
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set passfail "fail";
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}
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set expected_result "";
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}
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if { $state < [llength $args] } {
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send_gdb "[lindex $args $state]\n";
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incr state;
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set expected_result [lindex $args $state];
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incr state;
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} else {
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send_gdb "end\n";
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set expected_result "";
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}
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exp_continue;
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}
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-re "\(.*\)$gdb_prompt $" {
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if { $expected_result != "" } {
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if ![regexp $expected_result $expect_out(1,string)] {
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set passfail "fail";
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}
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set expected_result "";
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}
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if { [llength $args] < $state } {
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set passfail "fail";
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}
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}
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default {
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set passfail "fail";
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}
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}
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if { $testname != "" } {
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$passfail $testname;
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}
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if { $passfail == "pass" } then {
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return 0;
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} else {
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return 1;
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}
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}
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#
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# Procedure: gdb_tfind_test
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# Find a specified trace frame.
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# Arguments:
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# testname -- identifying string for pass/fail output
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# tfind_arg -- frame (line, PC, etc.) identifier
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# exp_res -- Expected result of frame test
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# args -- Test expression
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# Returns:
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# zero -- success
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# non-zero -- failure
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#
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proc gdb_tfind_test { testname tfind_arg exp_res args } {
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global gdb_prompt;
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if { "$args" != "" } {
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set expr "$exp_res";
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set exp_res "$args";
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} else {
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set expr "(int) \$trace_frame";
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}
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set passfail "fail";
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gdb_test "tfind $tfind_arg" "" ""
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send_gdb "printf \"x \%d x\\n\", $expr\n";
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gdb_expect 10 {
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-re "x (-*\[0-9\]+) x" {
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if { $expect_out(1,string) == $exp_res } {
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set passfail "pass";
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}
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exp_continue;
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}
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-re "$gdb_prompt $" { }
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}
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$passfail "$testname";
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if { $passfail == "pass" } then {
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return 0;
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} else {
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return 1;
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}
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}
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#
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# Procedure: gdb_readexpr
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# Arguments:
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# gdb_expr -- the expression whose value is desired
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# Returns:
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# the value of gdb_expr, as evaluated by gdb.
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# [FIXME: returns -1 on error, which is sometimes a legit value]
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#
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proc gdb_readexpr { gdb_expr } {
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global gdb_prompt;
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set result -1;
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send_gdb "print $gdb_expr\n"
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gdb_expect 5 {
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-re "\[$\].*= (\[0-9\]+).*$gdb_prompt $" {
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set result $expect_out(1,string);
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}
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-re "$gdb_prompt $" { }
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default { }
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}
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return $result;
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}
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#
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# Procedure: gdb_gettpnum
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# Arguments:
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# tracepoint (optional): if supplied, set a tracepoint here.
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# Returns:
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# the tracepoint ID of the most recently set tracepoint.
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#
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proc gdb_gettpnum { tracepoint } {
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global gdb_prompt;
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if { $tracepoint != "" } {
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gdb_test "trace $tracepoint" "" ""
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}
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return [gdb_readexpr "\$tpnum"];
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}
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#
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# Procedure: gdb_find_function_baseline
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# Arguments:
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# func_name -- name of source function
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# Returns:
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# Sourcefile line of function definition (open curly brace),
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# or -1 on failure. Caller must check return value.
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# Note:
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# Works only for open curly brace at beginning of source line!
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#
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proc gdb_find_function_baseline { func_name } {
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global gdb_prompt;
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set baseline -1;
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send_gdb "list $func_name\n"
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# gdb_expect {
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# -re "\[\r\n\]\[\{\].*$gdb_prompt $" {
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# set baseline 1
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# }
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# }
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}
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#
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# Procedure: gdb_find_function_baseline
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# Arguments:
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# filename: name of source file of desired function.
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# Returns:
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# Sourcefile line of function definition (open curly brace),
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# or -1 on failure. Caller must check return value.
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# Note:
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# Works only for open curly brace at beginning of source line!
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#
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proc gdb_find_recursion_test_baseline { filename } {
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global gdb_prompt;
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set baseline -1;
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gdb_test "list $filename:1" "" ""
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send_gdb "search gdb_recursion_test line 0\n"
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gdb_expect {
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-re "(\[0-9\]+)\[\t \]+\{.*line 0.*$gdb_prompt $" {
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set baseline $expect_out(1,string);
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}
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-re "$gdb_prompt $" { }
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default { }
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}
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return $baseline;
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}
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