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1 /* Definitions for rtems targeting a PowerPC using elf.
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2 Copyright (C) 1996, 1997, 2000, 2001, 2002, 2003, 2004, 2005, 2007
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3 Free Software Foundation, Inc.
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4 Contributed by Joel Sherrill (joel@OARcorp.com).
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5
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6 This file is part of GCC.
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7
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8 GCC is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published
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10 by the Free Software Foundation; either version 3, or (at your
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11 option) any later version.
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12
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13 GCC is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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15 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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16 License for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with GCC; see the file COPYING3. If not see
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20 <http://www.gnu.org/licenses/>. */
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21
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22 /* Specify predefined symbols in preprocessor. */
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23
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24 #undef TARGET_OS_CPP_BUILTINS
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25 #define TARGET_OS_CPP_BUILTINS() \
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26 do \
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27 { \
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28 builtin_define_std ("PPC"); \
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29 builtin_define ("__rtems__"); \
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30 builtin_define ("__USE_INIT_FINI__"); \
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31 builtin_assert ("system=rtems"); \
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32 builtin_assert ("cpu=powerpc"); \
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33 builtin_assert ("machine=powerpc"); \
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34 TARGET_OS_SYSV_CPP_BUILTINS (); \
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35 } \
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36 while (0)
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37
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38 #undef CPP_OS_DEFAULT_SPEC
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39 #define CPP_OS_DEFAULT_SPEC "%(cpp_os_rtems)"
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40
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41 #define CPP_OS_RTEMS_SPEC "\
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42 %{!mcpu*: %{!Dppc*: %{!Dmpc*: -Dmpc750} } }\
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43 %{mcpu=403: %{!Dppc*: %{!Dmpc*: -Dppc403} } } \
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44 %{mcpu=505: %{!Dppc*: %{!Dmpc*: -Dmpc505} } } \
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45 %{mcpu=601: %{!Dppc*: %{!Dmpc*: -Dppc601} } } \
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46 %{mcpu=602: %{!Dppc*: %{!Dmpc*: -Dppc602} } } \
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47 %{mcpu=603: %{!Dppc*: %{!Dmpc*: -Dppc603} } } \
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48 %{mcpu=603e: %{!Dppc*: %{!Dmpc*: -Dppc603e} } } \
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49 %{mcpu=604: %{!Dppc*: %{!Dmpc*: -Dmpc604} } } \
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50 %{mcpu=750: %{!Dppc*: %{!Dmpc*: -Dmpc750} } } \
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51 %{mcpu=821: %{!Dppc*: %{!Dmpc*: -Dmpc821} } } \
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52 %{mcpu=860: %{!Dppc*: %{!Dmpc*: -Dmpc860} } }"
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53
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54 #undef SUBSUBTARGET_EXTRA_SPECS
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55 #define SUBSUBTARGET_EXTRA_SPECS \
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56 { "cpp_os_rtems", CPP_OS_RTEMS_SPEC }
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