kernel/check-kabi
Justin M. Forbes 77a998e621
kernel-6.0.0-0.rc7.20220927gita1375562c0a8.48
* Tue Sep 27 2022 Fedora Kernel Team <kernel-team@fedoraproject.org> [6.0.0-0.rc7.a1375562c0a8.48]
- redhat: Set CONFIG_MAXLINEAR_GPHY to =m (Petr Oros)
- redhat/configs enable CONFIG_INTEL_IFS (David Arcari)
- redhat: Remove filter-i686.sh.rhel (Prarit Bhargava)
- redhat/Makefile: Set PATCHLIST_URL to none for RHEL/cs9 (Prarit Bhargava)
- redhat: remove GL_DISTGIT_USER, RHDISTGIT and unify dist-git cloning (Prarit Bhargava)
- redhat/Makefile.variables: Add ADD_COMMITID_TO_VERSION (Prarit Bhargava)
- kernel.spec: disable vmlinux.h generation for s390 zfcpdump config (Prarit Bhargava)
- perf: Require libbpf 0.6.0 or newer (Prarit Bhargava)
- kabi: add stablelist helpers (Prarit Bhargava)
- Makefile: add kabi targets (Prarit Bhargava)
- kabi: add support for symbol namespaces into check-kabi (Prarit Bhargava)
- kabi: ignore new stablelist metadata in show-kabi (Prarit Bhargava)
- redhat/Makefile: add dist-assert-tree-clean target (Prarit Bhargava)
- redhat/kernel.spec.template: Specify vmlinux.h path when building samples/bpf (Prarit Bhargava) [2041365]
- spec: Fix separate tools build (Prarit Bhargava) [2054579]
- redhat/scripts: Update merge-subtrees.sh with new subtree location (Prarit Bhargava)
- redhat/kernel.spec.template: enable dependencies generation (Prarit Bhargava)
- redhat: build and include memfd to kernel-selftests-internal (Prarit Bhargava) [2027506]
- redhat/kernel.spec.template: Link perf with --export-dynamic (Prarit Bhargava)
- redhat: kernel.spec: selftests: abort on build failure (Prarit Bhargava)
- redhat: configs: move CONFIG_SERIAL_MULTI_INSTANTIATE=m settings to common/x86 (Jaroslav Kysela)
- configs: enable CONFIG_HP_ILO for aarch64 (Mark Salter)
- Linux v6.0.0-0.rc7.a1375562c0a8
Resolves: rhbz#2041365, rhbz#2054579, rhbz#2027506

Signed-off-by: Justin M. Forbes <jforbes@fedoraproject.org>
2022-09-27 09:26:17 -05:00

167 lines
4.1 KiB
Python
Executable File

#!/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 <jcm@redhat.com>
# 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 <jcm@redhat.com>"
__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, *ns = in_line.split()
ns = ns[0] if ns else None
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, *ns = in_line.split()
ns = ns[0] if ns else None
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 = []
ns_symbols = []
for symbol in kabi:
abi_hash, abi_sym, abi_dir, abi_type, *abi_ns = kabi[symbol].split()
abi_ns = abi_ns[0] if abi_ns else None
if symbol in symvers:
sym_hash, sym_sym, sym_dir, sym_type, *sym_ns = symvers[symbol].split()
sym_ns = sym_ns[0] if sym_ns else None
if abi_hash != sym_hash:
fail = 1
changed_symbols.append(symbol)
if abi_dir != sym_dir:
warn = 1
moved_symbols.append(symbol)
if abi_ns != sym_ns:
warn = 1
ns_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 ***")
if moved_symbols:
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("")
if ns_symbols:
print("")
print("The following symbols changed symbol namespaces:")
print("")
for symbol in ns_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)