From a5ada504b340e3e85bf907cbdbb7109ee16edb70 Mon Sep 17 00:00:00 2001 From: Ed Maste Date: Thu, 1 Aug 2019 17:02:58 +0000 Subject: remove obsolete kernel debugging script For quite some time kgdb has been internally handling FreeBSD kernel module state; add-on scripts and tools are not needed. asf(8) served a similar purpose to this script and was removed in r335222. PR: 229046 Reported by: jhb Sponsored by: The FreeBSD Foundation --- tools/debugscripts/kld_deb.py | 143 ------------------------------------------ 1 file changed, 143 deletions(-) delete mode 100644 tools/debugscripts/kld_deb.py (limited to 'tools/debugscripts') diff --git a/tools/debugscripts/kld_deb.py b/tools/debugscripts/kld_deb.py deleted file mode 100644 index 167b3dc17b9c..000000000000 --- a/tools/debugscripts/kld_deb.py +++ /dev/null @@ -1,143 +0,0 @@ -#!/usr/local/bin/python -# -# Copyright 2004 John-Mark Gurney -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# 1. Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# 2. Redistributions in binary form must reproduce the above copyright -# notice, this list of conditions and the following disclaimer in the -# documentation and/or other materials provided with the distribution. -# -# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND -# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE -# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS -# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) -# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF -# SUCH DAMAGE. -# -# $FreeBSD$ - -from __future__ import print_function -import sys -import os -import popen2 -import re - -gdb_cmd = 'kgdb %(p)s/kernel.debug %(core)s | tee /tmp/gdb.log' -#GDB regex -filenamere = re.compile(r'filename\s+=\s+0x[0-9a-f]+\s("(?P[^"]+)"|(?P<[^>]*>))', re.M) -addressre = re.compile(r'address\s+=\s+(?P0x[0-9a-f]+)', re.M) -nextre = re.compile(r'tqe_next\s+=\s+(?P0x[0-9a-f]+)', re.M) -printre = re.compile(r'\$\d+\s+=\s+') - -#Paths to search for ko's/debugs -kld_debug_paths = [] - -if len(sys.argv[1:]) < 2: - print('Usage: prog []') - sys.exit(1) - -#Get the base modules path -pfs = sys.argv[1].split('/') -try: - i = 0 - while 1: - i = i + pfs[i:].index('sys') + 1 -except: - pass - -if i == -1: - sys.stderr.write("No sys dir in kernel source path: %s\n" % sys.argv[1]) - sys.exit(0) - -kld_debug_paths.append('/'.join(pfs[:i] + ['modules'])) -kld_debug_paths.append(sys.argv[1]) -#kld_debug_paths.append(sys.argv[3:]) -gdb_cmd = gdb_cmd % {'p': sys.argv[1], 'core': sys.argv[2] } - -#Start gdb -gdb = popen2.popen4(gdb_cmd) - -def searchfor(inp, re, j = 0, l = None): - """searchfor(inp, re, j, l): Searches for regex re in inp. It will -automatically add more lines. If j is set, the lines will be joined together. -l can provide a starting line to help search against. Return value is a -tuple of the last line, and the match if any.""" - ret = None - if not l: - l = inp.readline() - ret = re.search(l) - while l and not ret: - if j: - l += inp.readline() - else: - l = inp.readline() - ret = re.search(l) - - return (l, ret) - -def get_addresses(inp, out): - """get_addresses(inp, out): It will search for addresses from gdb. -inp and out, are the gdb input and output respectively. Return value is -a list of tuples. The tuples contain the filename and the address the -filename was loaded.""" - addr = [] - nxad = 1 - while nxad: - if nxad == 1: - out.write("print linker_files.tqh_first[0]\n") - else: - out.write("print *(struct linker_file *)%d\n" % nxad) - out.flush() - l = searchfor(inp, printre)[0] - l, fn = searchfor(inp, filenamere, 1, l) - if not fn.group('fn'): - sys.stderr.write("got error: %s\n" % fn.group('error')) - nxad = 0 - else: - l, ad = searchfor(inp, addressre, 1, l) - l, nx = searchfor(inp, nextre, 1, l) - addr.append((fn.group('fn'), long(ad.group('ad'), 16))) - nxad = long(nx.group('ad'), 16) - - return addr - -#Get the addresses -addr = get_addresses(gdb[0], gdb[1]) - -#Pass through the resulting addresses, skipping the kernel. -for i in addr[1:]: - for j in kld_debug_paths: - #Try .debug first. - p = popen2.popen4('find %s -type f -name "%s.debug"' % (j, i[0]))[0].read().strip() - if p: - break - #Try just .ko if .debug wasn't found. - p = popen2.popen4('find %s -type f -name "%s"' % (j, i[0]))[0].read().strip() - if p: - break - - if not p: - #Tell our user that we couldn't find it. - a = i[1] - sys.stderr.write("Can't find module: %s (addr: %d + header)\n" % (i[0], a)) - print('#add-symbol-file ', a, '#add header') - continue - - #j = popen2.popen4('objdump --section-headers /boot/kernel/%s | grep "\.text"' % i[0])[0].read().strip().split() - #Output the necessary information - j = popen2.popen4('objdump --section-headers "%s" | grep "\.text"' % p)[0].read().strip().split() - try: - a = int(j[5], 16) - print('add-symbol-file', p, i[1] + a) - except IndexError: - sys.stderr.write('Bad file: %s, address: %d\n' % (i[0], i[1])) -- cgit v1.2.3