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/* Definitions for TILE-Gx running Linux-based GNU systems with ELF.

   Copyright (C) 2011, 2012

   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 CPP_SPEC

#define CPP_SPEC "%{pthread:-D_REENTRANT}"

#undef ASM_SPEC

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

#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}}"

#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

#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