1 /* Definitions for TILE-Gx running Linux-based GNU systems with ELF. 2 Copyright (C) 2011-2013 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 "%{m32:--32} %{m64:--64}" 26 27 #undef LINK_SPEC 28 #define LINK_SPEC "%{m64:-m elf64tilegx} %{m32:-m elf32tilegx} \ 29 %{shared:-shared} \ 30 %{!shared: \ 31 %{!static: \ 32 %{rdynamic:-export-dynamic} \ 33 -dynamic-linker \ 34 %{ m32: /lib32/ld.so.1} \ 35 %{!m32: /lib/ld.so.1}} \ 36 %{static:-static}}" 37 38 #define MULTILIB_DEFAULTS { "m64" } 39 40 #define NO_PROFILE_COUNTERS 1 41 42 #undef MCOUNT_NAME 43 #define MCOUNT_NAME "__mcount" 44 45 #undef NEED_INDICATE_EXEC_STACK 46 #define NEED_INDICATE_EXEC_STACK 1 47 48 #ifdef TARGET_LIBC_PROVIDES_SSP 49 /* TILE-Gx glibc provides __stack_chk_guard two pointer-size words before 50 tp. */ 51 #define TARGET_THREAD_SSP_OFFSET (-2 * GET_MODE_SIZE (ptr_mode)) 52 #endif 53 54 /* For __clear_cache in libgcc2.c. */ 55 #ifdef IN_LIBGCC2 56 57 #include <arch/icache.h> 58 59 /* Use the minimum page size of 4K. Alternatively we can call 60 getpagesize() but it introduces a libc dependence. */ 61 #undef CLEAR_INSN_CACHE 62 #define CLEAR_INSN_CACHE(beg, end) invalidate_icache (beg, end - beg, 4096) 63 64 #else 65 66 /* define CLEAR_INSN_CACHE so that gcc knows to expand __builtin__clear_cache 67 to the libraray call. */ 68 #undef CLEAR_INSN_CACHE 69 #define CLEAR_INSN_CACHE 1 70 71 #endif 72