1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
#!/usr/bin/python
import sys
sys.path.append('debian/lib/python')
import fnmatch
import stat
from debian_linux.abi import Symbols
from debian_linux.config import ConfigCoreDump
from debian_linux.debian import *
class CheckAbi(object):
class SymbolInfo(object):
def __init__(self, symbol, symbol_ref=None):
self.symbol = symbol
self.symbol_ref = symbol_ref or symbol
@property
def module(self):
return self.symbol.module
@property
def name(self):
return self.symbol.name
def write(self, out, ignored):
info = []
if ignored:
info.append("ignored")
for name in ('module', 'version', 'export'):
data = getattr(self.symbol, name)
data_ref = getattr(self.symbol_ref, name)
if data != data_ref:
info.append("%s: %s -> %s" % (name, data_ref, data))
else:
info.append("%s: %s" % (name, data))
out.write("%-48s %s\n" % (self.symbol.name, ", ".join(info)))
def __init__(self, config, dir, arch, featureset, flavour):
self.config = config
self.arch, self.featureset, self.flavour = arch, featureset, flavour
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(open(self.filename_new))
try:
ref = Symbols(open(self.filename_ref))
except IOError:
out.write("Can't read ABI reference. ABI not checked! Continuing.\n")
return 0
symbols, add, change, remove = self._cmp(ref, new)
ignore = self._ignore(symbols)
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")
for name in sorted(add):
symbols[name].write(out, name in ignore)
if change:
out.write("\nChanged symbols:\n")
for name in sorted(change):
symbols[name].write(out, name in ignore)
if remove:
out.write("\nRemoved symbols:\n")
for name in sorted(remove):
symbols[name].write(out, name in ignore)
return ret
def _cmp(self, ref, new):
ref_names = set(ref.keys())
new_names = set(new.keys())
add = set()
change = set()
remove = set()
symbols = {}
for name in new_names - ref_names:
add.add(name)
symbols[name] = self.SymbolInfo(new[name])
for name in ref_names.intersection(new_names):
s_ref = ref[name]
s_new = new[name]
if s_ref != s_new:
change.add(name)
symbols[name] = self.SymbolInfo(s_new, s_ref)
for name in ref_names - new_names:
remove.add(name)
symbols[name] = self.SymbolInfo(ref[name])
return symbols, add, change, remove
def _ignore_pattern(self, pattern):
ret = []
for i in re.split(r'(\*\*?)', pattern):
if i == '*':
ret.append(r'[^!]+')
elif i == '**':
ret.append(r'.+')
elif i:
ret.append(re.escape(i))
return re.compile('^' + ''.join(ret) + '$')
def _ignore(self, symbols):
# TODO: let config merge this lists
configs = []
configs.append(self.config.get(('abi', self.arch, self.featureset, self.flavour), {}))
configs.append(self.config.get(('abi', self.arch, None, self.flavour), {}))
configs.append(self.config.get(('abi', self.arch, self.featureset), {}))
configs.append(self.config.get(('abi', self.arch), {}))
configs.append(self.config.get(('abi', None, self.featureset), {}))
configs.append(self.config.get(('abi',), {}))
ignores = set()
for config in configs:
ignores.update(config.get('ignore-changes', []))
filtered = set()
for ignore in ignores:
type = 'name'
if ':' in ignore:
type, ignore = ignore.split(':')
if type in ('name', 'module'):
p = self._ignore_pattern(ignore)
for symbol in symbols.itervalues():
if p.match(getattr(symbol, type)):
filtered.add(symbol.name)
else:
raise NotImplementedError
return filtered
class CheckImage(object):
def __init__(self, config, dir, arch, featureset, flavour):
self.dir = dir
self.arch, self.featureset, self.flavour = arch, featureset, flavour
self.config_entry_build = config.merge('build', arch, featureset, flavour)
self.config_entry_image = config.merge('image', arch, featureset, flavour)
def __call__(self, out):
image = self.config_entry_build.get('image-file')
if not image:
# TODO: Bail out
return 0
image = os.path.join(self.dir, image)
fail = 0
fail |= self.check_size(out, image)
return fail
def check_size(self, out, image):
value = self.config_entry_image.get('check-size')
if not value:
return 0
value = int(value)
size = os.stat(image)[stat.ST_SIZE]
if size > value:
out.write('Image too large (%d > %d)! Refusing to continue.\n' % (size, value))
return 1
out.write('Image fits (%d <= %d). Continuing.\n' % (size, value))
return 0
class Main(object):
def __init__(self, dir, arch, featureset, flavour):
self.args = dir, arch, featureset, flavour
self.config = ConfigCoreDump(fp=file("debian/config.defines.dump"))
def __call__(self):
fail = 0
for c in CheckAbi, CheckImage:
fail |= c(self.config, *self.args)(sys.stdout)
return fail
if __name__ == '__main__':
sys.exit(Main(*sys.argv[1:])())
|
