1/* Definitions for TILE-Gx running Linux-based GNU systems with ELF.
2   Copyright (C) 2011-2015 Free Software Foundation, Inc.
3   Contributed by Walter Lee (walt@tilera.com)
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
9   by the Free Software Foundation; either version 3, or (at your
10   option) any later version.
11
12   GCC is distributed in the hope that it will be useful, but WITHOUT
13   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
15   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#undef CPP_SPEC
22#define CPP_SPEC "%{pthread:-D_REENTRANT}"
23
24#undef ASM_SPEC
25#define ASM_SPEC "%(endian_spec) %{m32:--32} %{m64:--64}"
26
27#undef	LINK_SPEC
28#define LINK_SPEC "%(endian_spec) \
29  %{m64:-m elf64tilegx} %{m32:-m elf32tilegx} \
30  %{shared:-shared} \
31  %{!shared: \
32    %{!static: \
33      %{rdynamic:-export-dynamic} \
34      -dynamic-linker \
35        %{ m32: /lib32/ld.so.1} \
36        %{!m32: /lib/ld.so.1}} \
37    %{static:-static}}"
38
39#define MULTILIB_DEFAULTS { "m64" }
40
41#define NO_PROFILE_COUNTERS	1
42
43#undef MCOUNT_NAME
44#define MCOUNT_NAME "__mcount"
45
46#undef NEED_INDICATE_EXEC_STACK
47#define NEED_INDICATE_EXEC_STACK 1
48
49#ifdef TARGET_LIBC_PROVIDES_SSP
50/* TILE-Gx glibc provides __stack_chk_guard two pointer-size words before
51   tp. */
52#define TARGET_THREAD_SSP_OFFSET (-2 * GET_MODE_SIZE (ptr_mode))
53#endif
54
55/* For __clear_cache in libgcc2.c.  */
56#ifdef IN_LIBGCC2
57
58#include <arch/icache.h>
59
60/* Use the minimum page size of 4K.  Alternatively we can call
61   getpagesize() but it introduces a libc dependence.  */
62#undef CLEAR_INSN_CACHE
63#define CLEAR_INSN_CACHE(beg, end) invalidate_icache (beg, end - beg, 4096)
64
65#else
66
67/* define CLEAR_INSN_CACHE so that gcc knows to expand __builtin__clear_cache
68   to the libraray call.  */
69#undef CLEAR_INSN_CACHE
70#define CLEAR_INSN_CACHE 1
71
72#endif
73