From c7a5157d4de03982fcd2e3cd1f035858153ab349 Mon Sep 17 00:00:00 2001 From: "Justin M. Forbes" Date: Wed, 17 Mar 2021 12:44:57 -0500 Subject: kernel-5.11.7-9 * Wed Mar 17 2021 Justin M. Forbes [5.11.7-9] - Disable weak-modules again rhbz 1828455 (Justin M. Forbes) - More config updates for gcc-plugin turn off (Justin M. Forbes) - fedora: the PCH_CAN driver is x86-32 only (Peter Robinson) - common: disable legacy CAN device support (Peter Robinson) - common: Enable Microchip MCP251x/MCP251xFD CAN controllers (Peter Robinson) - common: Bosch MCAN support for Intel Elkhart Lake (Peter Robinson) - common: enable CAN_PEAK_PCIEFD PCI-E driver (Peter Robinson) - common: disable CAN_PEAK_PCIEC PCAN-ExpressCard (Peter Robinson) - common: enable common CAN layer 2 protocols (Peter Robinson) - ark: disable CAN_LEDS option (Peter Robinson) Resolves: rhbz# Signed-off-by: Justin M. Forbes --- check-kabi | 149 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 149 insertions(+) mode change 100644 => 100755 check-kabi (limited to 'check-kabi') diff --git a/check-kabi b/check-kabi old mode 100644 new mode 100755 index e69de29bb..f9d4dcb84 --- a/check-kabi +++ b/check-kabi @@ -0,0 +1,149 @@ +#!/usr/bin/python3 +# +# check-kabi - Red Hat kABI reference checking tool +# +# We use this script to check against reference Module.kabi files. +# +# Author: Jon Masters +# Copyright (C) 2007-2009 Red Hat, Inc. +# +# This software may be freely redistributed under the terms of the GNU +# General Public License (GPL). + +# Changelog: +# +# 2018/06/01 - Update for python3 by Petr Oros. +# 2009/08/15 - Updated for use in RHEL6. +# 2007/06/13 - Initial rewrite in python by Jon Masters. + +__author__ = "Jon Masters " +__version__ = "2.0" +__date__ = "2009/08/15" +__copyright__ = "Copyright (C) 2007-2009 Red Hat, Inc" +__license__ = "GPL" + +import getopt +import string +import sys + +true = 1 +false = 0 + + +def load_symvers(symvers, filename): + """Load a Module.symvers file.""" + + symvers_file = open(filename, "r") + + while true: + in_line = symvers_file.readline() + if in_line == "": + break + if in_line == "\n": + continue + checksum, symbol, directory, type = in_line.split() + + symvers[symbol] = in_line[0:-1] + + +def load_kabi(kabi, filename): + """Load a Module.kabi file.""" + + kabi_file = open(filename, "r") + + while true: + in_line = kabi_file.readline() + if in_line == "": + break + if in_line == "\n": + continue + checksum, symbol, directory, type = in_line.split() + + kabi[symbol] = in_line[0:-1] + + +def check_kabi(symvers, kabi): + """Check Module.kabi and Module.symvers files.""" + + fail = 0 + warn = 0 + changed_symbols = [] + moved_symbols = [] + + for symbol in kabi: + abi_hash, abi_sym, abi_dir, abi_type = kabi[symbol].split() + if symbol in symvers: + sym_hash, sym_sym, sym_dir, sym_type = symvers[symbol].split() + if abi_hash != sym_hash: + fail = 1 + changed_symbols.append(symbol) + + if abi_dir != sym_dir: + warn = 1 + moved_symbols.append(symbol) + else: + fail = 1 + changed_symbols.append(symbol) + + if fail: + print("*** ERROR - ABI BREAKAGE WAS DETECTED ***") + print("") + print("The following symbols have been changed (this will cause an ABI breakage):") + print("") + for symbol in changed_symbols: + print(symbol) + print("") + + if warn: + print("*** WARNING - ABI SYMBOLS MOVED ***") + print("") + print("The following symbols moved (typically caused by moving a symbol from being") + print("provided by the kernel vmlinux out to a loadable module):") + print("") + for symbol in moved_symbols: + print(symbol) + print("") + + """Halt the build, if we got errors and/or warnings. In either case, + double-checkig is required to avoid introducing / concealing + KABI inconsistencies.""" + if fail or warn: + sys.exit(1) + sys.exit(0) + + +def usage(): + print(""" +check-kabi: check Module.kabi and Module.symvers files. + + check-kabi [ -k Module.kabi ] [ -s Module.symvers ] + +""") + + +if __name__ == "__main__": + + symvers_file = "" + kabi_file = "" + + opts, args = getopt.getopt(sys.argv[1:], 'hk:s:') + + for o, v in opts: + if o == "-s": + symvers_file = v + if o == "-h": + usage() + sys.exit(0) + if o == "-k": + kabi_file = v + + if (symvers_file == "") or (kabi_file == ""): + usage() + sys.exit(1) + + symvers = {} + kabi = {} + + load_symvers(symvers, symvers_file) + load_kabi(kabi, kabi_file) + check_kabi(symvers, kabi) -- cgit