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5aa04b01 | 1 | /* Definitions for TI C6X running ucLinux using ELF |
f1717362 | 2 | Copyright (C) 2010-2016 Free Software Foundation, Inc. |
5aa04b01 | 3 | Contributed by Andrew Jenner <andrew@codesourcery.com> |
4 | Contributed by Bernd Schmidt <bernds@codesourcery.com> | |
5 | ||
6 | This file is part of GCC. | |
7 | ||
8 | GCC is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU General Public License as published | |
10 | by the Free Software Foundation; either version 3, or (at your | |
11 | option) any later version. | |
12 | ||
13 | GCC is distributed in the hope that it will be useful, but WITHOUT | |
14 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
15 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
16 | License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with GCC; see the file COPYING3. If not see | |
20 | <http://www.gnu.org/licenses/>. */ | |
21 | ||
22 | #undef TARGET_OS_CPP_BUILTINS | |
23 | #define TARGET_OS_CPP_BUILTINS() \ | |
24 | do \ | |
25 | { \ | |
26 | builtin_define ("__uClinux__"); \ | |
27 | builtin_define_std ("linux"); \ | |
28 | builtin_define_std ("unix"); \ | |
29 | builtin_assert ("system=linux"); \ | |
30 | builtin_assert ("system=unix"); \ | |
31 | builtin_assert ("system=posix"); \ | |
32 | } \ | |
33 | while (false) | |
34 | ||
35 | #undef STARTFILE_SPEC | |
36 | #define STARTFILE_SPEC \ | |
37 | "%{!shared:crt1%O%s} crti%O%s %{shared|pie:crtbeginS.o%s;:crtbegin.o%s}" | |
38 | ||
39 | #define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0" | |
40 | ||
41 | #undef LINK_SPEC | |
42 | #define LINK_SPEC ENDIAN_LINK_SPEC \ | |
e9abca4f | 43 | "%{shared} %{" FPIE_SPEC ":-pie} \ |
5aa04b01 | 44 | %{!shared: %{!static: \ |
45 | %{rdynamic:-export-dynamic} \ | |
46 | %{!dynamic-linker:-dynamic-linker " UCLIBC_DYNAMIC_LINKER "}} \ | |
47 | %{static}}" | |
48 | ||
49 | #undef DRIVER_SELF_SPECS | |
50 | #define DRIVER_SELF_SPECS "%{!mno-dsbt:-mdsbt}" | |
51 | ||
52 | /* Clear the instruction cache from `beg' to `end'. This makes an | |
53 | inline system call to SYS_cacheflush. */ | |
54 | #undef CLEAR_INSN_CACHE | |
55 | #define CLEAR_INSN_CACHE(BEG, END) \ | |
56 | { \ | |
57 | register unsigned long _beg __asm ("A4") = (unsigned long) (BEG); \ | |
58 | register unsigned long _end __asm ("B4") = (unsigned long) (END); \ | |
59 | register unsigned long _scno __asm ("B0") = 244; \ | |
60 | __asm __volatile ("swe ; sys_cache_sync" \ | |
61 | : "=a" (_beg) \ | |
62 | : "0" (_beg), "b" (_end), "b" (_scno)); \ | |
63 | } |