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#!/usr/bin/env python
import sys
sys.path.append('debian/lib/python')
from debian_linux.abi import *
from debian_linux.config import ConfigCoreDump
from debian_linux.debian import *
class checker(object):
def __init__(self, dir, arch, featureset, flavour):
self.arch, self.featureset, self.flavour = arch, featureset, flavour
self.config = ConfigCoreDump(fp = file("debian/config.defines.dump"))
self.filename_new = "%s/Module.symvers" % dir
changelog = Changelog(version = VersionLinux)[0]
version = changelog.version.linux_version
abiname = self.config['abi',]['abiname']
self.filename_ref = "debian/abi/%s-%s/%s_%s_%s" % (version, abiname, arch, featureset, flavour)
def __call__(self, out):
ret = 0
new = symbols(self.filename_new)
try:
ref = symbols(self.filename_ref)
except IOError:
out.write("Can't read ABI reference. ABI not checked! Continuing.\n")
return 0
add_info, change_info, remove_info = ref.cmp(new)
add = set(add_info.keys())
change = set(change_info.keys())
remove = set(remove_info.keys())
ignore = self._ignore(add_info, change_info, remove_info)
add_effective = add - ignore
change_effective = change - ignore
remove_effective = remove - ignore
if change_effective or remove_effective:
out.write("ABI has changed! Refusing to continue.\n")
ret = 1
elif change or remove:
out.write("ABI has changed but all changes have been ignored. Continuing.\n")
elif add_effective:
out.write("New symbols have been added. Continuing.\n")
elif add:
out.write("New symbols have been added but have been ignored. Continuing.\n")
else:
out.write("No ABI changes.\n")
if add:
out.write("\nAdded symbols:\n")
t = list(add)
t.sort()
for symbol in t:
info = []
if symbol in ignore:
info.append("ignored")
for i in ('module', 'version', 'export'):
info.append("%s: %s" % (i, add_info[symbol][i]))
out.write("%-48s %s\n" % (symbol, ", ".join(info)))
if change:
out.write("\nChanged symbols:\n")
t = list(change)
t.sort()
for symbol in t:
info = []
if symbol in ignore:
info.append("ignored")
s = change_info[symbol]
changes = s['changes']
for i in ('module', 'version', 'export'):
if changes.has_key(i):
info.append("%s: %s -> %s" % (i, s['ref'][i], s['new'][i]))
else:
info.append("%s: %s" % (i, new[symbol][i]))
out.write("%-48s %s\n" % (symbol, ", ".join(info)))
if remove:
out.write("\nRemoved symbols:\n")
t = list(remove)
t.sort()
for symbol in t:
info = []
if symbol in ignore:
info.append("ignored")
for i in ('module', 'version', 'export'):
info.append("%s: %s" % (i, remove_info[symbol][i]))
out.write("%-48s %s\n" % (symbol, ", ".join(info)))
return ret
def _ignore(self, add, change, remove):
config = self.config.merge('abi', self.arch, self.featureset, self.flavour)
ignores = config.get('ignore-changes', None)
if ignores is None:
return set()
return set(ignores.split())
if __name__ == '__main__':
sys.exit(checker(*sys.argv[1:])(sys.stdout))
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