gcc-4_9-branch/gcc/config/aarch64/aarch64-linux.h

   1 /* Machine description for AArch64 architecture.
   2    Copyright (C) 2009-2014 Free Software Foundation, Inc.
   3    Contributed by ARM Ltd.
   4
   5    This file is part of GCC.
   6
   7    GCC is free software; you can redistribute it and/or modify it
   8    under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3, or (at your option)
  10    any later version.
  11
  12    GCC is distributed in the hope that it will be useful, but
  13    WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15    General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with GCC; see the file COPYING3.  If not see
  19    <http://www.gnu.org/licenses/>.  */
  20
  21 #ifndef GCC_AARCH64_LINUX_H
  22 #define GCC_AARCH64_LINUX_H
  23
  24 #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux-aarch64%{mbig-endian:_be}%{mabi=ilp32:_ilp32}.so.1"
  25
  26 #define CPP_SPEC "%{pthread:-D_REENTRANT}"
  27
  28 #define LINUX_TARGET_LINK_SPEC  "%{h*}          \
  29    %{static:-Bstatic}                           \
  30    %{shared:-shared}                            \
  31    %{symbolic:-Bsymbolic}                       \
  32    %{rdynamic:-export-dynamic}                  \
  33    -dynamic-linker " GNU_USER_DYNAMIC_LINKER "  \
  34    -X                                           \
  35    %{mbig-endian:-EB} %{mlittle-endian:-EL}     \
  36    -maarch64linux%{mabi=ilp32:32}%{mbig-endian:b}"
  37
  38 #ifdef TARGET_FIX_ERR_A53_835769_DEFAULT
  39 #define CA53_ERR_835769_SPEC \
  40   " %{!mno-fix-cortex-a53-835769:--fix-cortex-a53-835769}"
  41 #else
  42 #define CA53_ERR_835769_SPEC \
  43   " %{mfix-cortex-a53-835769:--fix-cortex-a53-835769}"
  44 #endif
  45
  46 #ifdef TARGET_FIX_ERR_A53_843419_DEFAULT
  47 #define CA53_ERR_843419_SPEC \
  48   " %{!mno-fix-cortex-a53-843419:--fix-cortex-a53-843419}"
  49 #else
  50 #define CA53_ERR_843419_SPEC \
  51   " %{mfix-cortex-a53-843419:--fix-cortex-a53-843419}"
  52 #endif
  53
  54 #define LINK_SPEC LINUX_TARGET_LINK_SPEC \
  55                   CA53_ERR_835769_SPEC \
  56                   CA53_ERR_843419_SPEC
  57
  58 #define GNU_USER_TARGET_MATHFILE_SPEC \
  59   "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s}"
  60
  61 #undef ENDFILE_SPEC
  62 #define ENDFILE_SPEC   \
  63   GNU_USER_TARGET_MATHFILE_SPEC " " \
  64   GNU_USER_TARGET_ENDFILE_SPEC
  65
  66 #define TARGET_OS_CPP_BUILTINS()                \
  67   do                                            \
  68     {                                           \
  69         GNU_USER_TARGET_OS_CPP_BUILTINS();      \
  70     }                                           \
  71   while (0)
  72
  73 #define TARGET_ASM_FILE_END file_end_indicate_exec_stack
  74
  75 #endif  /* GCC_AARCH64_LINUX_H */