1 /* Definitions for TILEPro running Linux-based GNU systems with ELF.
2 Copyright (C) 2011-2017 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}"
29 %{rdynamic:-export-dynamic} \
30 -dynamic-linker /lib/ld.so.1} \
33 #define NO_PROFILE_COUNTERS 1
36 #define MCOUNT_NAME "__mcount"
38 #undef NEED_INDICATE_EXEC_STACK
39 #define NEED_INDICATE_EXEC_STACK 1
41 #ifdef TARGET_LIBC_PROVIDES_SSP
42 /* TILEPro glibc provides __stack_chk_guard two pointer-size words before
44 #define TARGET_THREAD_SSP_OFFSET (-2 * GET_MODE_SIZE (ptr_mode))
47 /* For __clear_cache in libgcc2.c. */
50 /* Use the minimum page size of 4K. Alternatively we can call
51 getpagesize() but it introduces a libc dependence.
52 See Linux arch/tile/include/uapi/arch/icache.h for more commentary. */
53 #undef CLEAR_INSN_CACHE
54 #define CLEAR_INSN_CACHE(BEG, END) \
56 long size = (long) (END) - (long) (BEG); \
59 const char *start = (const char *) ((unsigned long) (BEG) & -64L);\
60 const char *end = start + (size < 16384 ? size : 16384) - 1; \
61 long num_passes = 4; \
66 for (p = start; p <= end; p += 64) \
71 while (--num_passes > 0); \
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