/* Definitions for TILE-Gx running Linux-based GNU systems with ELF.
   Copyright (C) 2011
   Free Software Foundation, Inc.
   Contributed by Walter Lee (walt@tilera.com)

   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 3, 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 COPYING3.  If not see
   <http://www.gnu.org/licenses/>.  */


#undef SYSROOT_SUFFIX_SPEC
#define SYSROOT_SUFFIX_SPEC "%{mbme:/usr/lib/bme;mnewlib:/usr/lib/newlib}"

#undef SYSROOT_HEADERS_SUFFIX_SPEC
#define SYSROOT_HEADERS_SUFFIX_SPEC SYSROOT_SUFFIX_SPEC

#undef DRIVER_SELF_SPECS
#define DRIVER_SELF_SPECS "%{mbme|mnewlib:-static}"

#undef CPP_SPEC
#define CPP_SPEC \
  "%{mbme:-D__BME__;mnewlib:-D__NEWLIB__} %{pthread:-D_REENTRANT}"





#undef ASM_SPEC
#define ASM_SPEC "%{m32:--32} %{m64:--64}"

/* HACK: Bake in an rpath to where we install gcc46.  */
#undef	LINK_SPEC
#define LINK_SPEC "%{m64:-m elf64tilegx} %{m32:-m elf32tilegx} \
  %{shared:-shared} \
  %{!shared: \
    %{!static: \
      %{rdynamic:-export-dynamic} \
      -dynamic-linker \
        %{ m32: /lib32/ld.so.1} \
        %{!m32: /lib/ld.so.1}} \
    %{static:-static}} \
  %{ m32: -rpath /usr/lib/gcc46/lib32} \
  %{!m32: -rpath /usr/lib/gcc46/lib}"











#define MULTILIB_DEFAULTS { "m64" }

#define NO_PROFILE_COUNTERS	1

#undef MCOUNT_NAME
#define MCOUNT_NAME "__mcount"

#undef NEED_INDICATE_EXEC_STACK
#define NEED_INDICATE_EXEC_STACK 1

#define MD_UNWIND_SUPPORT "config/tilepro/linux-unwind.h"

#ifdef TARGET_LIBC_PROVIDES_SSP
/* TILE-Gx glibc provides __stack_chk_guard two pointer-size words before
   tp. */
#define TARGET_THREAD_SSP_OFFSET (-2 * GET_MODE_SIZE (ptr_mode))
#endif

/* For __clear_cache in libgcc2.c.  */
#ifdef IN_LIBGCC2

#include <arch/icache.h>

/* Use the minimum page size of 4K.  Alternatively we can call
   getpagesize() but it introduces a libc dependence.  */
#undef CLEAR_INSN_CACHE
#define CLEAR_INSN_CACHE(beg, end) invalidate_icache (beg, end - beg, 4096)

#else

/* define CLEAR_INSN_CACHE so that gcc knows to expand __builtin__clear_cache
   to the libraray call.  */
#undef CLEAR_INSN_CACHE
#define CLEAR_INSN_CACHE 1

#endif
