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709 |
jeremybenn |
/* Definitions for rtems targeting a PowerPC using elf.
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Copyright (C) 1996, 1997, 2000, 2001, 2002, 2003, 2004, 2005, 2007
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Free Software Foundation, Inc.
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Contributed by Joel Sherrill (joel@OARcorp.com).
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published
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by the Free Software Foundation; either version 3, or (at your
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option) any later version.
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GCC is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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/* Specify predefined symbols in preprocessor. */
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#undef TARGET_OS_CPP_BUILTINS
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#define TARGET_OS_CPP_BUILTINS() \
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do \
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{ \
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builtin_define_std ("PPC"); \
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builtin_define ("__rtems__"); \
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builtin_define ("__USE_INIT_FINI__"); \
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builtin_assert ("system=rtems"); \
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builtin_assert ("cpu=powerpc"); \
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builtin_assert ("machine=powerpc"); \
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TARGET_OS_SYSV_CPP_BUILTINS (); \
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} \
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while (0)
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#undef CPP_OS_DEFAULT_SPEC
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#define CPP_OS_DEFAULT_SPEC "%(cpp_os_rtems)"
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#define CPP_OS_RTEMS_SPEC "\
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%{!mcpu*: %{!Dppc*: %{!Dmpc*: -Dmpc750} } }\
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%{mcpu=403: %{!Dppc*: %{!Dmpc*: -Dppc403} } } \
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%{mcpu=505: %{!Dppc*: %{!Dmpc*: -Dmpc505} } } \
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%{mcpu=601: %{!Dppc*: %{!Dmpc*: -Dppc601} } } \
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%{mcpu=602: %{!Dppc*: %{!Dmpc*: -Dppc602} } } \
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%{mcpu=603: %{!Dppc*: %{!Dmpc*: -Dppc603} } } \
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%{mcpu=603e: %{!Dppc*: %{!Dmpc*: -Dppc603e} } } \
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%{mcpu=604: %{!Dppc*: %{!Dmpc*: -Dmpc604} } } \
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%{mcpu=750: %{!Dppc*: %{!Dmpc*: -Dmpc750} } } \
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%{mcpu=821: %{!Dppc*: %{!Dmpc*: -Dmpc821} } } \
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%{mcpu=860: %{!Dppc*: %{!Dmpc*: -Dmpc860} } } \
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%{mcpu=8540: %{!Dppc*: %{!Dmpc*: -Dppc8540} } }"
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#undef SUBSUBTARGET_EXTRA_SPECS
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#define SUBSUBTARGET_EXTRA_SPECS \
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{ "cpp_os_rtems", CPP_OS_RTEMS_SPEC }
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#undef SUBSUBTARGET_OVERRIDE_OPTIONS
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#define SUBSUBTARGET_OVERRIDE_OPTIONS \
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do { \
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if (TARGET_E500) \
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{ \
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if (TARGET_HARD_FLOAT && !global_options_set.x_rs6000_float_gprs) \
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rs6000_float_gprs = 1; \
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if (rs6000_float_gprs != 0 && !global_options_set.x_rs6000_spe) \
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rs6000_spe = 1; \
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if (rs6000_spe && !global_options_set.x_rs6000_spe_abi) \
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rs6000_spe_abi = 1; \
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} \
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} while(0)
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