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# Copyright 2010-2025 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 <http://www.gnu.org/licenses/>.
# Utilities for python-scripting related tests.
# Run a command in GDB, and report a failure if a Python exception is thrown.
# If report_pass is true, report a pass if no exception is thrown.
proc gdb_py_test_silent_cmd { cmd name report_pass } {
global gdb_prompt
gdb_test_multiple $cmd $name {
-re "Error occurred in Python:.*$gdb_prompt $" { fail $name }
-re "Traceback.*$gdb_prompt $" { fail $name }
-re "$gdb_prompt $" { if $report_pass { pass $name } }
}
}
# Return the result of python expression EXPR. DEFAULT is returned if
# there's an error. TEST is the test message to use. It can be
# omitted, in which case a test message is built from EXP. This is
# modeled after get_integer_valueof.
proc get_python_valueof { exp default {test ""} } {
global gdb_prompt
if {$test == ""} {
set test "get python valueof \"${exp}\""
}
set val ${default}
gdb_test_multiple "python print (\"valueof: %s\" % (${exp}))" "$test" {
-re "valueof: (\[^\r\n\]*)\[\r\n\]*$gdb_prompt $" {
set val $expect_out(1,string)
pass "$test"
}
timeout {
fail "$test (timeout)"
}
}
return ${val}
}
# Return true if Python module NAME is available, otherwise, return
# false.
proc gdb_py_module_available { name } {
set available "unknown"
gdb_test_multiple "python import ${name}" "" {
-re -wrap "ModuleNotFoundError.*: No module named '${name}'.*" {
set available false
}
-re -wrap "ImportError: No module named '?${name}'?.*" {
set available false
}
-re -wrap "python import ${name}" {
set available true
}
}
if { $available == "unknown" } {
perror "unexpected output from python import"
set available false
}
return ${available}
}
# Run a memory leak test within the Python script FILENAME. This proc
# checks that the required Python modules are available, sets up the
# syspath so that the helper module can be found (in the same
# directory as FILENAME), then loads FILENAME to run the test.
proc gdb_py_run_memory_leak_test { filename testname } {
if { ![gdb_py_module_available "tracemalloc"] } {
unsupported "$testname (tracemalloc module not available)"
}
gdb_test_no_output -nopass "python import sys"
gdb_test_no_output -nopass \
"python sys.path.insert(0, \"[file dirname $filename]\")" \
"setup sys.path"
set pyfile [gdb_remote_download host ${filename}]
# Source the Python script, this runs the test, and either prints
# PASS, or throws an exception.
gdb_test "source ${pyfile}" "^PASS" $testname
}
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