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#!/usr/bin/env python3
#
# Public Domain 2014-present MongoDB, Inc.
# Public Domain 2008-2014 WiredTiger, Inc.
#
# This is free and unencumbered software released into the public domain.
#
# Anyone is free to copy, modify, publish, use, compile, sell, or
# distribute this software, either in source code form or as a compiled
# binary, for any purpose, commercial or non-commercial, and by any
# means.
#
# In jurisdictions that recognize copyright laws, the author or authors
# of this software dedicate any and all copyright interest in the
# software to the public domain. We make this dedication for the benefit
# of the public at large and to the detriment of our heirs and
# successors. We intend this dedication to be an overt act of
# relinquishment in perpetuity of all present and future rights to this
# software under copyright law.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
import argparse
import itertools
import os
import re
import subprocess
import sys
from shutil import which
def border_msg(msg: str):
count = len(msg) + 2
dash = "-" * count
return "+{dash}+\n| {msg} |\n+{dash}+".format(dash=dash, msg=msg)
class LLDBDumper:
"""LLDBDumper class - prints stack traces on macOS"""
def __init__(self):
self.dbg = self._find_debugger("lldb")
@staticmethod
def _find_debugger(debugger: str):
"""Find the installed debugger."""
return which(debugger)
def dump(self, exe_path: str, core_path: str, dump_all: bool, output_file: str):
"""Dump stack trace."""
if self.dbg is None:
sys.exit("Debugger lldb not found,"
"skipping dumping of {}".format(core_path))
if dump_all:
cmds.append("thread apply all backtrace -c 30")
else:
cmds.append("backtrace -c 30")
cmds.append("quit")
output = None
if (output_file):
output = open(output_file, "w")
subprocess.run([self.dbg, "--batch"] + [exe_path, "-c", core_path] +
list(itertools.chain.from_iterable([['-o', b] for b in cmds])),
check=True, stdout=output)
class GDBDumper:
"""GDBDumper class - prints stack traces on Linux"""
def __init__(self):
self.dbg = self._find_debugger("gdb")
@staticmethod
def _find_debugger(debugger: str):
"""Find the installed debugger."""
return which(debugger)
def dump(self, exe_path: str, core_path: str, lib_path: str, dump_all: bool, output_file: str):
"""Dump stack trace."""
if self.dbg is None:
sys.exit("Debugger gdb not found,"
"skipping dumping of {}".format(core_path))
cmds = []
if lib_path:
cmds.append("set solib-search-path " + lib_path)
if dump_all:
cmds.append("thread apply all backtrace 30")
else:
cmds.append("backtrace 30")
cmds.append("quit")
output = None
if (output_file):
output = open(output_file, "w")
subprocess.run([self.dbg, "--batch", "--quiet"] +
list(itertools.chain.from_iterable([['-ex', b] for b in cmds])) +
[exe_path, core_path],
check=True, stdout=output)
def main():
parser = argparse.ArgumentParser()
parser.add_argument('-e', '--executable_path',
help='path to the executable',
required=True)
parser.add_argument('-c', '--core_path',
help='directory path to the core dumps',
required=True)
parser.add_argument('-l', '--lib_path', help='library path')
group = parser.add_mutually_exclusive_group(required=True)
group.add_argument('--unit_test', action='store_true', help='Format core dumps from python unit tests')
group.add_argument('--format', action='store_true', help='Format core dumps from format tests')
args = parser.parse_args()
# Store the path of the core files as a list.
core_files = []
dump_all = args.unit_test
regex = None
if (args.format):
regex = re.compile(r'dump_t.*core', re.IGNORECASE)
elif (args.unit_test):
regex = re.compile(r'dump.*python.*core', re.IGNORECASE)
for root, _, files in os.walk(args.core_path):
for file in files:
if regex.match(file):
core_files.append(os.path.join(root, file))
for core_file_path in core_files:
print(border_msg(core_file_path), flush=True)
if sys.platform.startswith('linux'):
dbg = GDBDumper()
dbg.dump(args.executable_path, core_file_path, args.lib_path, dump_all, None)
# Extract the filename from the core file path, to create a stacktrace output file.
file_name, _ = os.path.splitext(os.path.basename(core_file_path))
dbg.dump(args.executable_path, core_file_path, args.lib_path, True, file_name + ".stacktrace.txt")
elif sys.platform.startswith('darwin'):
# FIXME - macOS to be supported in WT-8976
# dbg = LLDBDumper()
# dbg.dump(args.executable_path, core_file_path, dump_all)
# Extract the filename from the core file path, to create a stacktrace output file.
# file_name, _ = os.path.splitext(os.path.basename(core_file_path))
# dbg.dump(args.executable_path, core_file_path, args.lib_path, dump_all, file_name + ".stacktrace.txt")
pass
elif sys.platform.startswith('win32') or sys.platform.startswith('cygwin'):
# FIXME - Windows to be supported in WT-8937
pass
if __name__ == "__main__":
main()
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