gcc/config/microblaze/linux.h

   1 /* Definitions for MicroBlaze running Linux.
   2    Copyright (C) 2009-2018 Free Software Foundation, Inc.
   3
   4    This file is part of GCC.
   5
   6    Contributed by Michael Eager <eager@eagercon.com>.
   7
   8    GCC is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3, or (at your option)
  11    any later version.
  12
  13    GCC is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with GCC; see the file COPYING3.  If not see
  20    <http://www.gnu.org/licenses/>.  */
  21
  22 #undef TARGET_SUPPORTS_PIC
  23 #define TARGET_SUPPORTS_PIC 1
  24
  25 #undef CPP_SPEC
  26 #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
  27
  28 #undef TLS_NEEDS_GOT
  29 #define TLS_NEEDS_GOT 1
  30
  31 #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
  32 #define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
  33
  34 #if TARGET_BIG_ENDIAN_DEFAULT == 0 /* LE */
  35 #define MUSL_DYNAMIC_LINKER_E "%{mbig-endian:;:el}"
  36 #else
  37 #define MUSL_DYNAMIC_LINKER_E "%{mlittle-endian:el}"
  38 #endif
  39
  40 #undef MUSL_DYNAMIC_LINKER
  41 #define MUSL_DYNAMIC_LINKER "/lib/ld-musl-microblaze" MUSL_DYNAMIC_LINKER_E ".so.1"
  42
  43 #undef  SUBTARGET_EXTRA_SPECS
  44 #define SUBTARGET_EXTRA_SPECS \
  45   { "dynamic_linker", GNU_USER_DYNAMIC_LINKER }
  46
  47 #undef LINK_SPEC
  48 #define LINK_SPEC "%{shared:-shared} \
  49   %{!shared: \
  50     %{!static: \
  51       %{rdynamic:-export-dynamic} \
  52       -dynamic-linker %(dynamic_linker)} \
  53     %{static:-static}} \
  54   %{mbig-endian:-EB} \
  55   %{mlittle-endian:-EL}"
  56
  57 /* For the microblaze-*-linux* subtarget.  */
  58 #undef TARGET_OS_CPP_BUILTINS
  59 #define TARGET_OS_CPP_BUILTINS() GNU_USER_TARGET_OS_CPP_BUILTINS()
  60
  61 #define TARGET_ASM_FILE_END file_end_indicate_exec_stack