xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/testsuite/gdb.xml/tdesc-reload.exp (revision 4ac76180e904e771b9d522c7e57296d371f06499)
1# Copyright 2020 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# Testing for 'maint print xml-tdesc'.  Check we can print out the
17# current target description and load it back in again.
18
19if {[gdb_skip_xml_test]} {
20    unsupported "xml tests not being run"
21    return -1
22}
23
24standard_testfile
25
26if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} {
27    return -1
28}
29
30if ![runto_main] then {
31    fail "can't run to main"
32    return 0
33}
34
35# Three files we're going to write out to.
36set xml_file_1 [standard_output_file outfile1.xml]
37set xml_file_2 [standard_output_file outfile2.xml]
38set xml_file_3 [standard_output_file outfile3.xml]
39
40# Write the current target description to a file.
41gdb_test_no_output "pipe maint print xml-tdesc | cat > $xml_file_1" \
42    "write current target description to file"
43
44# Read the target description back in to GDB, and the write it back
45# out to a file.
46gdb_test_no_output \
47    "pipe maint print xml-tdesc $xml_file_1 | cat > $xml_file_2" \
48    "read previous xml description, and write it out to a second file"
49
50# Check the two produced files are identical.
51gdb_test "shell diff -s $xml_file_1 $xml_file_2" \
52    "Files \[^\r\n\]* are identical" \
53    "first two produced xml files are identical"
54
55# Restart GDB.
56clean_restart
57
58# Change to use one of the target descriptions we wrote out earlier.
59gdb_test_no_output "set tdesc filename $xml_file_1" \
60    "set target description to use"
61
62# Load the executable.
63gdb_load ${binfile}
64
65# Run to `main' where we begin our tests.
66if ![runto_main] then {
67    untested "could not run to main"
68    return -1
69}
70
71# Run info registers just to check this appears to run fine with the
72# new target description.
73gdb_test "info all-registers" ".*" \
74    "Run info registers"
75
76# Write out the current target description.
77gdb_test_no_output "pipe maint print xml-tdesc | cat > $xml_file_3" \
78    "write third target description to file"
79
80# And check that it matches the original file we loaded.
81gdb_test "shell diff -s $xml_file_1 $xml_file_3" \
82    "Files \[^\r\n\]* are identical" \
83    "first and third produced xml files are identical"
84