42a4f53d2b
This commit applies all changes made after running the gdb/copyright.py script. Note that one file was flagged by the script, due to an invalid copyright header (gdb/unittests/basic_string_view/element_access/char/empty.cc). As the file was copied from GCC's libstdc++-v3 testsuite, this commit leaves this file untouched for the time being; a patch to fix the header was sent to gcc-patches first. gdb/ChangeLog: Update copyright year range in all GDB files.
284 lines
11 KiB
Python
284 lines
11 KiB
Python
#! /usr/bin/env python
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# Copyright (C) 2011-2019 Free Software Foundation, Inc.
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#
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# This file is part of GDB.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""copyright.py
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This script updates the list of years in the copyright notices in
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most files maintained by the GDB project.
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Usage: cd src/gdb && python copyright.py
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Always review the output of this script before committing it!
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A useful command to review the output is:
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% filterdiff -x \*.c -x \*.cc -x \*.h -x \*.exp updates.diff
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This removes the bulk of the changes which are most likely to be correct.
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"""
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import datetime
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import os
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import os.path
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import subprocess
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def get_update_list():
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"""Return the list of files to update.
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Assumes that the current working directory when called is the root
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of the GDB source tree (NOT the gdb/ subdirectory!). The names of
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the files are relative to that root directory.
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"""
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result = []
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for gdb_dir in ('gdb', 'sim', 'include/gdb'):
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for root, dirs, files in os.walk(gdb_dir, topdown=True):
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for dirname in dirs:
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reldirname = "%s/%s" % (root, dirname)
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if (dirname in EXCLUDE_ALL_LIST
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or reldirname in EXCLUDE_LIST
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or reldirname in NOT_FSF_LIST
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or reldirname in BY_HAND):
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# Prune this directory from our search list.
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dirs.remove(dirname)
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for filename in files:
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relpath = "%s/%s" % (root, filename)
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if (filename in EXCLUDE_ALL_LIST
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or relpath in EXCLUDE_LIST
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or relpath in NOT_FSF_LIST
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or relpath in BY_HAND):
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# Ignore this file.
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pass
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else:
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result.append(relpath)
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return result
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def update_files(update_list):
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"""Update the copyright header of the files in the given list.
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We use gnulib's update-copyright script for that.
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"""
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# We want to use year intervals in the copyright notices, and
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# all years should be collapsed to one single year interval,
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# even if there are "holes" in the list of years found in the
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# original copyright notice (OK'ed by the FSF, case [gnu.org #719834]).
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os.environ['UPDATE_COPYRIGHT_USE_INTERVALS'] = '2'
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# Perform the update, and save the output in a string.
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update_cmd = ['bash', 'gdb/gnulib/import/extra/update-copyright']
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update_cmd += update_list
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p = subprocess.Popen(update_cmd, stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT)
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update_out = p.communicate()[0]
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# Process the output. Typically, a lot of files do not have
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# a copyright notice :-(. The update-copyright script prints
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# a well defined warning when it did not find the copyright notice.
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# For each of those, do a sanity check and see if they may in fact
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# have one. For the files that are found not to have one, we filter
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# the line out from the output, since there is nothing more to do,
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# short of looking at each file and seeing which notice is appropriate.
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# Too much work! (~4,000 files listed as of 2012-01-03).
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update_out = update_out.splitlines()
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warning_string = ': warning: copyright statement not found'
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warning_len = len(warning_string)
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for line in update_out:
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if line.endswith('\n'):
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line = line[:-1]
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if line.endswith(warning_string):
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filename = line[:-warning_len]
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if may_have_copyright_notice(filename):
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print line
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else:
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# Unrecognized file format. !?!
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print "*** " + line
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def may_have_copyright_notice(filename):
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"""Check that the given file does not seem to have a copyright notice.
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The filename is relative to the root directory.
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This function assumes that the current working directory is that root
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directory.
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The algorigthm is fairly crude, meaning that it might return
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some false positives. I do not think it will return any false
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negatives... We might improve this function to handle more
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complex cases later...
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"""
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# For now, it may have a copyright notice if we find the word
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# "Copyright" at the (reasonable) start of the given file, say
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# 50 lines...
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MAX_LINES = 50
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fd = open(filename)
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lineno = 1
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for line in fd:
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if 'Copyright' in line:
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return True
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lineno += 1
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if lineno > 50:
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return False
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return False
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def main ():
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"""The main subprogram."""
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if not os.path.isfile("gnulib/import/extra/update-copyright"):
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print "Error: This script must be called from the gdb directory."
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root_dir = os.path.dirname(os.getcwd())
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os.chdir(root_dir)
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update_list = get_update_list()
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update_files (update_list)
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# Remind the user that some files need to be updated by HAND...
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if MULTIPLE_COPYRIGHT_HEADERS:
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print
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print("\033[31m"
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"REMINDER: Multiple copyright headers must be updated by hand:"
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"\033[0m")
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for filename in MULTIPLE_COPYRIGHT_HEADERS:
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print " ", filename
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if BY_HAND:
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print
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print "\033[31mREMINDER: The following files must be updated by hand." \
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"\033[0m"
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for filename in BY_HAND:
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print " ", filename
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############################################################################
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#
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# Some constants, placed at the end because they take up a lot of room.
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# The actual value of these constants is not significant to the understanding
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# of the script.
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#
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############################################################################
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# Files which should not be modified, either because they are
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# generated, non-FSF, or otherwise special (e.g. license text,
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# or test cases which must be sensitive to line numbering).
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#
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# Filenames are relative to the root directory.
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EXCLUDE_LIST = (
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'gdb/nat/glibc_thread_db.h',
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'gdb/CONTRIBUTE',
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'gdb/gnulib/import'
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)
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# Files which should not be modified, either because they are
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# generated, non-FSF, or otherwise special (e.g. license text,
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# or test cases which must be sensitive to line numbering).
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#
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# Matches any file or directory name anywhere. Use with caution.
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# This is mostly for files that can be found in multiple directories.
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# Eg: We want all files named COPYING to be left untouched.
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EXCLUDE_ALL_LIST = (
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"COPYING", "COPYING.LIB", "CVS", "configure", "copying.c",
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"fdl.texi", "gpl.texi", "aclocal.m4",
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)
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# The list of files to update by hand.
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BY_HAND = (
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# Nothing at the moment :-).
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)
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# Files containing multiple copyright headers. This script is only
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# fixing the first one it finds, so we need to finish the update
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# by hand.
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MULTIPLE_COPYRIGHT_HEADERS = (
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"gdb/doc/gdb.texinfo",
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"gdb/doc/refcard.tex",
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"gdb/gdbarch.sh",
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)
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# The list of file which have a copyright, but not head by the FSF.
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# Filenames are relative to the root directory.
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NOT_FSF_LIST = (
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"gdb/exc_request.defs",
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"gdb/gdbtk",
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"gdb/testsuite/gdb.gdbtk/",
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"sim/arm/armemu.h", "sim/arm/armos.c", "sim/arm/gdbhost.c",
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"sim/arm/dbg_hif.h", "sim/arm/dbg_conf.h", "sim/arm/communicate.h",
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"sim/arm/armos.h", "sim/arm/armcopro.c", "sim/arm/armemu.c",
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"sim/arm/kid.c", "sim/arm/thumbemu.c", "sim/arm/armdefs.h",
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"sim/arm/armopts.h", "sim/arm/dbg_cp.h", "sim/arm/dbg_rdi.h",
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"sim/arm/parent.c", "sim/arm/armsupp.c", "sim/arm/armrdi.c",
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"sim/arm/bag.c", "sim/arm/armvirt.c", "sim/arm/main.c", "sim/arm/bag.h",
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"sim/arm/communicate.c", "sim/arm/gdbhost.h", "sim/arm/armfpe.h",
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"sim/arm/arminit.c",
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"sim/common/cgen-fpu.c", "sim/common/cgen-fpu.h",
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"sim/common/cgen-accfp.c",
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"sim/mips/m16run.c", "sim/mips/sim-main.c",
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"sim/moxie/moxie-gdb.dts",
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# Not a single file in sim/ppc/ appears to be copyright FSF :-(.
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"sim/ppc/filter.h", "sim/ppc/gen-support.h", "sim/ppc/ld-insn.h",
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"sim/ppc/hw_sem.c", "sim/ppc/hw_disk.c", "sim/ppc/idecode_branch.h",
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"sim/ppc/sim-endian.h", "sim/ppc/table.c", "sim/ppc/hw_core.c",
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"sim/ppc/gen-support.c", "sim/ppc/gen-semantics.h", "sim/ppc/cpu.h",
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"sim/ppc/sim_callbacks.h", "sim/ppc/RUN", "sim/ppc/Makefile.in",
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"sim/ppc/emul_chirp.c", "sim/ppc/hw_nvram.c", "sim/ppc/dc-test.01",
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"sim/ppc/hw_phb.c", "sim/ppc/hw_eeprom.c", "sim/ppc/bits.h",
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"sim/ppc/hw_vm.c", "sim/ppc/cap.h", "sim/ppc/os_emul.h",
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"sim/ppc/options.h", "sim/ppc/gen-idecode.c", "sim/ppc/filter.c",
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"sim/ppc/corefile-n.h", "sim/ppc/std-config.h", "sim/ppc/ld-decode.h",
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"sim/ppc/filter_filename.h", "sim/ppc/hw_shm.c",
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"sim/ppc/pk_disklabel.c", "sim/ppc/dc-simple", "sim/ppc/misc.h",
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"sim/ppc/device_table.h", "sim/ppc/ld-insn.c", "sim/ppc/inline.c",
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"sim/ppc/emul_bugapi.h", "sim/ppc/hw_cpu.h", "sim/ppc/debug.h",
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"sim/ppc/hw_ide.c", "sim/ppc/debug.c", "sim/ppc/gen-itable.h",
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"sim/ppc/interrupts.c", "sim/ppc/hw_glue.c", "sim/ppc/emul_unix.c",
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"sim/ppc/sim_calls.c", "sim/ppc/dc-complex", "sim/ppc/ld-cache.c",
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"sim/ppc/registers.h", "sim/ppc/dc-test.02", "sim/ppc/options.c",
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"sim/ppc/igen.h", "sim/ppc/registers.c", "sim/ppc/device.h",
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"sim/ppc/emul_chirp.h", "sim/ppc/hw_register.c", "sim/ppc/hw_init.c",
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"sim/ppc/sim-endian-n.h", "sim/ppc/filter_filename.c",
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"sim/ppc/bits.c", "sim/ppc/idecode_fields.h", "sim/ppc/hw_memory.c",
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"sim/ppc/misc.c", "sim/ppc/double.c", "sim/ppc/psim.h",
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"sim/ppc/hw_trace.c", "sim/ppc/emul_netbsd.h", "sim/ppc/psim.c",
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"sim/ppc/ppc-instructions", "sim/ppc/tree.h", "sim/ppc/README",
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"sim/ppc/gen-icache.h", "sim/ppc/gen-model.h", "sim/ppc/ld-cache.h",
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"sim/ppc/mon.c", "sim/ppc/corefile.h", "sim/ppc/vm.c",
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"sim/ppc/INSTALL", "sim/ppc/gen-model.c", "sim/ppc/hw_cpu.c",
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"sim/ppc/corefile.c", "sim/ppc/hw_opic.c", "sim/ppc/gen-icache.c",
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"sim/ppc/events.h", "sim/ppc/os_emul.c", "sim/ppc/emul_generic.c",
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"sim/ppc/main.c", "sim/ppc/hw_com.c", "sim/ppc/gen-semantics.c",
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"sim/ppc/emul_bugapi.c", "sim/ppc/device.c", "sim/ppc/emul_generic.h",
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"sim/ppc/tree.c", "sim/ppc/mon.h", "sim/ppc/interrupts.h",
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"sim/ppc/cap.c", "sim/ppc/cpu.c", "sim/ppc/hw_phb.h",
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"sim/ppc/device_table.c", "sim/ppc/lf.c", "sim/ppc/lf.c",
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"sim/ppc/dc-stupid", "sim/ppc/hw_pal.c", "sim/ppc/ppc-spr-table",
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"sim/ppc/emul_unix.h", "sim/ppc/words.h", "sim/ppc/basics.h",
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"sim/ppc/hw_htab.c", "sim/ppc/lf.h", "sim/ppc/ld-decode.c",
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"sim/ppc/sim-endian.c", "sim/ppc/gen-itable.c",
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"sim/ppc/idecode_expression.h", "sim/ppc/table.h", "sim/ppc/dgen.c",
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"sim/ppc/events.c", "sim/ppc/gen-idecode.h", "sim/ppc/emul_netbsd.c",
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"sim/ppc/igen.c", "sim/ppc/vm_n.h", "sim/ppc/vm.h",
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"sim/ppc/hw_iobus.c", "sim/ppc/inline.h",
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"sim/testsuite/sim/bfin/s21.s", "sim/testsuite/sim/mips/mips32-dsp2.s",
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)
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if __name__ == "__main__":
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main()
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