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1 #!/usr/bin/env python
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2
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3 # RISC-V multilib list generator.
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4 # Copyright (C) 2011-2018 Free Software Foundation, Inc.
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5 # Contributed by Andrew Waterman (andrew@sifive.com).
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6 #
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7 # This file is part of GCC.
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8 #
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9 # GCC is free software; you can redistribute it and/or modify
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10 # it under the terms of the GNU General Public License as published by
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11 # the Free Software Foundation; either version 3, or (at your option)
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12 # any later version.
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13 #
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14 # GCC is distributed in the hope that it will be useful,
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15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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17 # GNU General Public License for more details.
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18 #
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19 # You should have received a copy of the GNU General Public License
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20 # along with GCC; see the file COPYING3. If not see
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21 # <http://www.gnu.org/licenses/>.
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22
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23 # Each argument to this script is of the form
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24 # <primary arch>-<abi>-<additional arches>-<extensions>
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25 # For example,
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26 # rv32imafd-ilp32d-rv32g-c,v
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27 # means that, in addition to rv32imafd, these configurations can also use the
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28 # rv32imafd-ilp32d libraries: rv32imafdc, rv32imafdv, rv32g, rv32gc, rv32gv
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29
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30 from __future__ import print_function
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31 import sys
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32 import collections
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33
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34 arches = collections.OrderedDict()
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35 abis = collections.OrderedDict()
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36 required = []
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37 reuse = []
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38
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39 for cfg in sys.argv[1:]:
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40 (arch, abi, extra, ext) = cfg.split('-')
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41 arches[arch] = 1
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42 abis[abi] = 1
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43 extra = list(filter(None, extra.split(',')))
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44 ext = list(filter(None, ext.split(',')))
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45 alts = sum([[x] + [x + y for y in ext] for x in [arch] + extra], [])
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46 alts = alts + [x.replace('imafd', 'g') for x in alts if 'imafd' in x]
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47 for alt in alts[1:]:
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48 arches[alt] = 1
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49 reuse.append('march.%s/mabi.%s=march.%s/mabi.%s' % (arch, abi, alt, abi))
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50 required.append('march=%s/mabi=%s' % (arch, abi))
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51
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52 arch_options = '/'.join(['march=%s' % x for x in arches.keys()])
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53 arch_dirnames = ' \\\n'.join(arches.keys())
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54
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55 abi_options = '/'.join(['mabi=%s' % x for x in abis.keys()])
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56 abi_dirnames = ' \\\n'.join(abis.keys())
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57
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58 prog = sys.argv[0].split('/')[-1]
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59 print('# This file was generated by %s with the command:' % prog)
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60 print('# %s' % ' '.join(sys.argv))
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61
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62 print('MULTILIB_OPTIONS = %s %s' % (arch_options, abi_options))
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63 print('MULTILIB_DIRNAMES = %s %s' % (arch_dirnames, abi_dirnames))
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64 print('MULTILIB_REQUIRED = %s' % ' \\\n'.join(required))
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65 print('MULTILIB_REUSE = %s' % ' \\\n'.join(reuse))
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