1 /* Definitions for TILE-Gx running Linux-based GNU systems with ELF.
2 Copyright (C) 2011-2018 Free Software Foundation, Inc.
3 Contributed by Walter Lee (walt@tilera.com)
5 This file is part of GCC.
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.
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.
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/>. */
22 #define CPP_SPEC "%{pthread:-D_REENTRANT}"
25 #define ASM_SPEC "%(endian_spec) %{m32:--32} %{m64:--64}"
28 #define LINK_SPEC "%(endian_spec) \
29 %{m64:-m elf64tilegx} %{m32:-m elf32tilegx} \
33 %{rdynamic:-export-dynamic} \
35 %{ m32: /lib32/ld.so.1} \
36 %{!m32: /lib/ld.so.1}} \
39 #define MULTILIB_DEFAULTS { "m64" }
41 #define NO_PROFILE_COUNTERS 1
44 #define MCOUNT_NAME "__mcount"
46 #undef NEED_INDICATE_EXEC_STACK
47 #define NEED_INDICATE_EXEC_STACK 1
49 #ifdef TARGET_LIBC_PROVIDES_SSP
50 /* TILE-Gx glibc provides __stack_chk_guard two pointer-size words before
52 #define TARGET_THREAD_SSP_OFFSET (-2 * GET_MODE_SIZE (ptr_mode))
55 /* For __clear_cache in libgcc2.c. */
58 /* Use the minimum page size of 4K. Alternatively we can call
59 getpagesize() but it introduces a libc dependence.
60 See Linux arch/tile/include/uapi/arch/icache.h for more commentary. */
61 #undef CLEAR_INSN_CACHE
62 #define CLEAR_INSN_CACHE(BEG, END) \
64 long size = (long) (END) - (long) (BEG); \
67 const char *p = (const char *) ((unsigned long) (BEG) & -64L); \
68 const char *end = p + (size < 4096 ? size : 4096) - 1; \
70 for (; p <= end; p += 64) \
78 /* define CLEAR_INSN_CACHE so that gcc knows to expand __builtin__clear_cache
79 to the libraray call. */
80 #undef CLEAR_INSN_CACHE
81 #define CLEAR_INSN_CACHE 1