/* Definitions of target machine for GNU compiler, for Alpha Linux-based GNU systems. Copyright (C) 1996, 1997, 1998, 2002, 2003, 2004, 2005 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"); \ if (flag_pic) \ { \ builtin_define ("__PIC__"); \ builtin_define ("__pic__"); \ } \ } while (0) #undef LIB_SPEC #define LIB_SPEC \ "%{pthread:-lpthread} \ %{shared:-lc} \ %{!shared: %{profile:-lc_p}%{!profile:-lc}}" /* 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 the entire c99 runtime is present in the runtime library. */ #define TARGET_C99_FUNCTIONS 1 #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"