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Diffstat (limited to 'gcc-4.2.1/gcc/config/alpha/linux.h')
| -rw-r--r-- | gcc-4.2.1/gcc/config/alpha/linux.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/gcc-4.2.1/gcc/config/alpha/linux.h b/gcc-4.2.1/gcc/config/alpha/linux.h new file mode 100644 index 000000000..1be120f9e --- /dev/null +++ b/gcc-4.2.1/gcc/config/alpha/linux.h @@ -0,0 +1,85 @@ +/* Definitions of target machine for GNU compiler, + for Alpha Linux-based GNU systems. + Copyright (C) 1996, 1997, 1998, 2002, 2003, 2004, 2005, 2006 + Free Software Foundation, Inc. + Contributed by Richard Henderson. + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GCC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING. If not, write to +the Free Software Foundation, 51 Franklin Street, Fifth Floor, +Boston, MA 02110-1301, USA. */ + +#undef TARGET_DEFAULT +#define TARGET_DEFAULT (MASK_FPREGS | MASK_GAS) + +#define TARGET_OS_CPP_BUILTINS() \ + do { \ + builtin_define ("__gnu_linux__"); \ + builtin_define ("_LONGLONG"); \ + builtin_define_std ("linux"); \ + builtin_define_std ("unix"); \ + builtin_assert ("system=linux"); \ + builtin_assert ("system=unix"); \ + builtin_assert ("system=posix"); \ + /* The GNU C++ standard library requires this. */ \ + if (c_dialect_cxx ()) \ + builtin_define ("_GNU_SOURCE"); \ + } while (0) + +#undef LIB_SPEC +#define LIB_SPEC \ + "%{pthread:-lpthread} \ + %{shared:-lc} \ + %{!shared: %{profile:-lc_p}%{!profile:-lc}}" + +#undef CPP_SPEC +#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" + +/* Show that we need a GP when profiling. */ +#undef TARGET_PROFILING_NEEDS_GP +#define TARGET_PROFILING_NEEDS_GP 1 + +/* Don't care about faults in the prologue. */ +#undef TARGET_CAN_FAULT_IN_PROLOGUE +#define TARGET_CAN_FAULT_IN_PROLOGUE 1 + +/* OS fixes up EV5 data fault on prefetch. */ +#undef TARGET_FIXUP_EV5_PREFETCH +#define TARGET_FIXUP_EV5_PREFETCH 1 + +#undef WCHAR_TYPE +#define WCHAR_TYPE "int" + +/* Define this so that all GNU/Linux targets handle the same pragmas. */ +#define HANDLE_PRAGMA_PACK_PUSH_POP + +/* Determine whether the entire c99 runtime is present in the + runtime library. */ +#define TARGET_C99_FUNCTIONS (OPTION_GLIBC) + +#define TARGET_POSIX_IO + +#define LINK_GCC_C_SEQUENCE_SPEC \ + "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}" + +/* Use --as-needed -lgcc_s for eh support. */ +#ifdef HAVE_LD_AS_NEEDED +#define USE_LD_AS_NEEDED 1 +#endif + +#define MD_UNWIND_SUPPORT "config/alpha/linux-unwind.h" + +/* Define if long doubles should be mangled as 'g'. */ +#define TARGET_ALTERNATE_LONG_DOUBLE_MANGLING |