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dd552284 | 1 | /* Definitions for TILE-Gx running Linux-based GNU systems with ELF. |
a5544970 | 2 | Copyright (C) 2011-2019 Free Software Foundation, Inc. |
dd552284 WL |
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 | |
341c653c | 25 | #define ASM_SPEC "%(endian_spec) %{m32:--32} %{m64:--64}" |
dd552284 WL |
26 | |
27 | #undef LINK_SPEC | |
341c653c WL |
28 | #define LINK_SPEC "%(endian_spec) \ |
29 | %{m64:-m elf64tilegx} %{m32:-m elf32tilegx} \ | |
dd552284 WL |
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 | ||
dd552284 | 58 | /* Use the minimum page size of 4K. Alternatively we can call |
ba6be749 WL |
59 | getpagesize() but it introduces a libc dependence. |
60 | See Linux arch/tile/include/uapi/arch/icache.h for more commentary. */ | |
dd552284 | 61 | #undef CLEAR_INSN_CACHE |
ba6be749 WL |
62 | #define CLEAR_INSN_CACHE(BEG, END) \ |
63 | { \ | |
64 | long size = (long) (END) - (long) (BEG); \ | |
65 | if (size) \ | |
66 | { \ | |
67 | const char *p = (const char *) ((unsigned long) (BEG) & -64L); \ | |
68 | const char *end = p + (size < 4096 ? size : 4096) - 1; \ | |
69 | __insn_mf (); \ | |
70 | for (; p <= end; p += 64) \ | |
71 | __insn_icoh (p); \ | |
72 | __insn_drain (); \ | |
73 | } \ | |
74 | } | |
dd552284 WL |
75 | |
76 | #else | |
77 | ||
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 | |
82 | ||
83 | #endif |