3 # Copyright (C) 2011-2012 Free Software Foundation, Inc.
5 # This file is part of GDB.
7 # This program is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 3 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
22 This script updates the list of years in the copyright notices in
23 most files maintained by the GDB project.
25 Usage: cd src/gdb && python copyright.py
27 Always review the output of this script before committing it!
28 A useful command to review the output is:
29 % filterdiff -x \*.c -x \*.cc -x \*.h -x \*.exp updates.diff
30 This removes the bulk of the changes which are most likely to be correct.
39 def get_update_list():
40 """Return the list of files to update.
42 Assumes that the current working directory when called is the root
43 of the GDB source tree (NOT the gdb/ subdirectory!). The names of
44 the files are relative to that root directory.
47 for gdb_dir
in ('gdb', 'sim', 'include/gdb'):
48 for root
, dirs
, files
in os
.walk(gdb_dir
, topdown
=True):
50 reldirname
= "%s/%s" % (root
, dirname
)
51 if (dirname
in EXCLUDE_ALL_LIST
52 or reldirname
in EXCLUDE_LIST
53 or reldirname
in NOT_FSF_LIST
54 or reldirname
in BY_HAND
):
55 # Prune this directory from our search list.
57 for filename
in files
:
58 relpath
= "%s/%s" % (root
, filename
)
59 if (filename
in EXCLUDE_ALL_LIST
60 or relpath
in EXCLUDE_LIST
61 or relpath
in NOT_FSF_LIST
62 or relpath
in BY_HAND
):
66 result
.append(relpath
)
70 def update_files(update_list
):
71 """Update the copyright header of the files in the given list.
73 We use gnulib's update-copyright script for that.
75 # We want to use year intervals in the copyright notices, and
76 # all years should be collapsed to one single year interval,
77 # even if there are "holes" in the list of years found in the
78 # original copyright notice (OK'ed by the FSF, case [gnu.org #719834]).
79 os
.environ
['UPDATE_COPYRIGHT_USE_INTERVALS'] = '2'
81 # Perform the update, and save the output in a string.
82 update_cmd
= ['bash', 'gdb/gnulib/extra/update-copyright'] + update_list
83 p
= subprocess
.Popen(update_cmd
, stdout
=subprocess
.PIPE
,
84 stderr
=subprocess
.STDOUT
)
85 update_out
= p
.communicate()[0]
87 # Process the output. Typically, a lot of files do not have
88 # a copyright notice :-(. The update-copyright script prints
89 # a well defined warning when it did not find the copyright notice.
90 # For each of those, do a sanity check and see if they may in fact
91 # have one. For the files that are found not to have one, we filter
92 # the line out from the output, since there is nothing more to do,
93 # short of looking at each file and seeing which notice is appropriate.
94 # Too much work! (~4,000 files listed as of 2012-01-03).
95 update_out
= update_out
.splitlines()
96 warning_string
= ': warning: copyright statement not found'
97 warning_len
= len(warning_string
)
99 for line
in update_out
:
100 if line
.endswith('\n'):
102 if line
.endswith(warning_string
):
103 filename
= line
[:-warning_len
]
104 if may_have_copyright_notice(filename
):
107 # Unrecognized file format. !?!
111 def may_have_copyright_notice(filename
):
112 """Check that the given file does not seem to have a copyright notice.
114 The filename is relative to the root directory.
115 This function assumes that the current working directory is that root
118 The algorigthm is fairly crude, meaning that it might return
119 some false positives. I do not think it will return any false
120 negatives... We might improve this function to handle more
121 complex cases later...
123 # For now, it may have a copyright notice if we find the word
124 # "Copyright" at the (reasonable) start of the given file, say
132 if 'Copyright' in line
:
141 """The main subprogram."""
142 if not os
.path
.isfile("gnulib/extra/update-copyright"):
143 print "Error: This script must be called from the gdb directory."
144 root_dir
= os
.path
.dirname(os
.getcwd())
147 update_list
= get_update_list()
148 update_files (update_list
)
150 # Remind the user that some files need to be updated by HAND...
153 print "\033[31mREMINDER: The following files must be updated by hand." \
155 for filename
in BY_HAND
:
158 ############################################################################
160 # Some constants, placed at the end because they take up a lot of room.
161 # The actual value of these constants is not significant to the understanding
164 ############################################################################
166 # Files which should not be modified, either because they are
167 # generated, non-FSF, or otherwise special (e.g. license text,
168 # or test cases which must be sensitive to line numbering).
170 # Filenames are relative to the root directory.
172 'gdb/gdbarch.c', 'gdb/gdbarch.h',
176 # Files which should not be modified, either because they are
177 # generated, non-FSF, or otherwise special (e.g. license text,
178 # or test cases which must be sensitive to line numbering).
180 # Matches any file or directory name anywhere. Use with caution.
181 # This is mostly for files that can be found in multiple directories.
182 # Eg: We want all files named COPYING to be left untouched.
185 "COPYING", "COPYING.LIB", "CVS", "configure", "copying.c",
186 "fdl.texi", "gpl.texi", "aclocal.m4",
189 # The list of files to update by hand.
191 # These files are sensitive to line numbering.
192 "gdb/testsuite/gdb.base/step-line.inp",
193 "gdb/testsuite/gdb.base/step-line.c",
196 # The list of file which have a copyright, but not head by the FSF.
197 # Filenames are relative to the root directory.
199 "gdb/exc_request.defs",
202 "gdb/testsuite/gdb.gdbtk/",
203 "sim/arm/armemu.h", "sim/arm/armos.c", "sim/arm/gdbhost.c",
204 "sim/arm/dbg_hif.h", "sim/arm/dbg_conf.h", "sim/arm/communicate.h",
205 "sim/arm/armos.h", "sim/arm/armcopro.c", "sim/arm/armemu.c",
206 "sim/arm/kid.c", "sim/arm/thumbemu.c", "sim/arm/armdefs.h",
207 "sim/arm/armopts.h", "sim/arm/dbg_cp.h", "sim/arm/dbg_rdi.h",
208 "sim/arm/parent.c", "sim/arm/armsupp.c", "sim/arm/armrdi.c",
209 "sim/arm/bag.c", "sim/arm/armvirt.c", "sim/arm/main.c", "sim/arm/bag.h",
210 "sim/arm/communicate.c", "sim/arm/gdbhost.h", "sim/arm/armfpe.h",
212 "sim/common/cgen-fpu.c", "sim/common/cgen-fpu.h", "sim/common/cgen-fpu.h",
213 "sim/common/cgen-accfp.c", "sim/common/sim-fpu.c",
214 "sim/erc32/sis.h", "sim/erc32/erc32.c", "sim/erc32/func.c",
215 "sim/erc32/float.c", "sim/erc32/interf.c", "sim/erc32/sis.c",
217 "sim/mips/m16run.c", "sim/mips/sim-main.c",
218 "sim/mn10300/sim-main.h",
219 "sim/moxie/moxie-gdb.dts",
220 # Not a single file in sim/ppc/ appears to be copyright FSF :-(.
221 "sim/ppc/filter.h", "sim/ppc/gen-support.h", "sim/ppc/ld-insn.h",
222 "sim/ppc/hw_sem.c", "sim/ppc/hw_disk.c", "sim/ppc/idecode_branch.h",
223 "sim/ppc/sim-endian.h", "sim/ppc/table.c", "sim/ppc/hw_core.c",
224 "sim/ppc/gen-support.c", "sim/ppc/gen-semantics.h", "sim/ppc/cpu.h",
225 "sim/ppc/sim_callbacks.h", "sim/ppc/RUN", "sim/ppc/Makefile.in",
226 "sim/ppc/emul_chirp.c", "sim/ppc/hw_nvram.c", "sim/ppc/dc-test.01",
227 "sim/ppc/hw_phb.c", "sim/ppc/hw_eeprom.c", "sim/ppc/bits.h",
228 "sim/ppc/hw_vm.c", "sim/ppc/cap.h", "sim/ppc/os_emul.h",
229 "sim/ppc/options.h", "sim/ppc/gen-idecode.c", "sim/ppc/filter.c",
230 "sim/ppc/corefile-n.h", "sim/ppc/std-config.h", "sim/ppc/ld-decode.h",
231 "sim/ppc/filter_filename.h", "sim/ppc/hw_shm.c",
232 "sim/ppc/pk_disklabel.c", "sim/ppc/dc-simple", "sim/ppc/misc.h",
233 "sim/ppc/device_table.h", "sim/ppc/ld-insn.c", "sim/ppc/inline.c",
234 "sim/ppc/emul_bugapi.h", "sim/ppc/hw_cpu.h", "sim/ppc/debug.h",
235 "sim/ppc/hw_ide.c", "sim/ppc/debug.c", "sim/ppc/gen-itable.h",
236 "sim/ppc/interrupts.c", "sim/ppc/hw_glue.c", "sim/ppc/emul_unix.c",
237 "sim/ppc/sim_calls.c", "sim/ppc/dc-complex", "sim/ppc/ld-cache.c",
238 "sim/ppc/registers.h", "sim/ppc/dc-test.02", "sim/ppc/options.c",
239 "sim/ppc/igen.h", "sim/ppc/registers.c", "sim/ppc/device.h",
240 "sim/ppc/emul_chirp.h", "sim/ppc/hw_register.c", "sim/ppc/hw_init.c",
241 "sim/ppc/sim-endian-n.h", "sim/ppc/filter_filename.c",
242 "sim/ppc/bits.c", "sim/ppc/idecode_fields.h", "sim/ppc/hw_memory.c",
243 "sim/ppc/misc.c", "sim/ppc/double.c", "sim/ppc/psim.h",
244 "sim/ppc/hw_trace.c", "sim/ppc/emul_netbsd.h", "sim/ppc/psim.c",
245 "sim/ppc/ppc-instructions", "sim/ppc/tree.h", "sim/ppc/README",
246 "sim/ppc/gen-icache.h", "sim/ppc/gen-model.h", "sim/ppc/ld-cache.h",
247 "sim/ppc/mon.c", "sim/ppc/corefile.h", "sim/ppc/vm.c",
248 "sim/ppc/INSTALL", "sim/ppc/gen-model.c", "sim/ppc/hw_cpu.c",
249 "sim/ppc/corefile.c", "sim/ppc/hw_opic.c", "sim/ppc/gen-icache.c",
250 "sim/ppc/events.h", "sim/ppc/os_emul.c", "sim/ppc/emul_generic.c",
251 "sim/ppc/main.c", "sim/ppc/hw_com.c", "sim/ppc/gen-semantics.c",
252 "sim/ppc/emul_bugapi.c", "sim/ppc/device.c", "sim/ppc/emul_generic.h",
253 "sim/ppc/tree.c", "sim/ppc/mon.h", "sim/ppc/interrupts.h",
254 "sim/ppc/cap.c", "sim/ppc/cpu.c", "sim/ppc/hw_phb.h",
255 "sim/ppc/device_table.c", "sim/ppc/lf.c", "sim/ppc/lf.c",
256 "sim/ppc/dc-stupid", "sim/ppc/hw_pal.c", "sim/ppc/ppc-spr-table",
257 "sim/ppc/emul_unix.h", "sim/ppc/words.h", "sim/ppc/basics.h",
258 "sim/ppc/hw_htab.c", "sim/ppc/lf.h", "sim/ppc/ld-decode.c",
259 "sim/ppc/sim-endian.c", "sim/ppc/gen-itable.c",
260 "sim/ppc/idecode_expression.h", "sim/ppc/table.h", "sim/ppc/dgen.c",
261 "sim/ppc/events.c", "sim/ppc/gen-idecode.h", "sim/ppc/emul_netbsd.c",
262 "sim/ppc/igen.c", "sim/ppc/vm_n.h", "sim/ppc/vm.h",
263 "sim/ppc/hw_iobus.c", "sim/ppc/inline.h",
264 "sim/testsuite/sim/bfin/s21.s", "sim/testsuite/sim/mips/mips32-dsp2.s",
267 if __name__
== "__main__":
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