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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [config/] [alpha/] [linux.h] - Blame information for rev 709

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1 709 jeremybenn
/* Definitions of target machine for GNU compiler,
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   for Alpha Linux-based GNU systems.
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   Copyright (C) 1996, 1997, 1998, 2002, 2003, 2004, 2005, 2006, 2007, 2009,
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   2010, 2011 Free Software Foundation, Inc.
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   Contributed by Richard Henderson.
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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
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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, or (at your option)
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any later version.
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GCC 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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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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#undef TARGET_DEFAULT
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#define TARGET_DEFAULT (MASK_FPREGS | MASK_GAS)
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#define TARGET_OS_CPP_BUILTINS()                                \
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    do {                                                        \
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        builtin_define ("__gnu_linux__");                       \
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        builtin_define ("_LONGLONG");                           \
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        builtin_define_std ("linux");                           \
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        builtin_define_std ("unix");                            \
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        builtin_assert ("system=linux");                        \
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        builtin_assert ("system=unix");                         \
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        builtin_assert ("system=posix");                        \
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        /* The GNU C++ standard library requires this.  */      \
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        if (c_dialect_cxx ())                                   \
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          builtin_define ("_GNU_SOURCE");                       \
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    } while (0)
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#undef LIB_SPEC
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#define LIB_SPEC \
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  "%{pthread:-lpthread} \
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   %{shared:-lc} \
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   %{!shared: %{profile:-lc_p}%{!profile:-lc}}"
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#undef CPP_SPEC
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#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
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/* Show that we need a GP when profiling.  */
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#undef TARGET_PROFILING_NEEDS_GP
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#define TARGET_PROFILING_NEEDS_GP 1
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/* Don't care about faults in the prologue.  */
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#undef TARGET_CAN_FAULT_IN_PROLOGUE
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#define TARGET_CAN_FAULT_IN_PROLOGUE 1
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/* OS fixes up EV5 data fault on prefetch.  */
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#undef TARGET_FIXUP_EV5_PREFETCH
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#define TARGET_FIXUP_EV5_PREFETCH 1
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#undef WCHAR_TYPE
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#define WCHAR_TYPE "int"
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#ifdef SINGLE_LIBC
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#define OPTION_GLIBC  (DEFAULT_LIBC == LIBC_GLIBC)
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#else
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#define OPTION_GLIBC  (linux_libc == LIBC_GLIBC)
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#endif
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/* Determine whether the entire c99 runtime is present in the
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   runtime library.  */
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#define TARGET_C99_FUNCTIONS (OPTION_GLIBC)
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/* Whether we have sincos that follows the GNU extension.  */
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#define TARGET_HAS_SINCOS (OPTION_GLIBC)
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#define TARGET_POSIX_IO
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#define LINK_GCC_C_SEQUENCE_SPEC \
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  "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"
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/* Use --as-needed -lgcc_s for eh support.  */
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#ifdef HAVE_LD_AS_NEEDED
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#define USE_LD_AS_NEEDED 1
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#endif
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/* Define if long doubles should be mangled as 'g'.  */
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#define TARGET_ALTERNATE_LONG_DOUBLE_MANGLING
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/* -mcpu=native handling only makes sense with compiler running on
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   an Alpha chip.  */
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#if defined(__alpha__) || defined(__alpha)
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extern const char *host_detect_local_cpu (int argc, const char **argv);
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# define EXTRA_SPEC_FUNCTIONS                                           \
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  { "local_cpu_detect", host_detect_local_cpu },
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# define MCPU_MTUNE_NATIVE_SPECS                                        \
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   " %{mcpu=native:%<mcpu=native %:local_cpu_detect(cpu)}"              \
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   " %{mtune=native:%<mtune=native %:local_cpu_detect(tune)}"
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#else
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# define MCPU_MTUNE_NATIVE_SPECS ""
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#endif
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#define DRIVER_SELF_SPECS MCPU_MTUNE_NATIVE_SPECS

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