projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| b355a481 NC |
1 | /* Definitions of target machine for GNU compiler. |
| 2 | ARM Linux-based GNU systems version. | |
| 23a5b65a | 3 | Copyright (C) 1997-2014 Free Software Foundation, Inc. |
| afab5269 RK |
4 | Contributed by Russell King <rmk92@ecs.soton.ac.uk>. |
| 5 | ||
| 4f448245 NC |
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 | |
| 2f83c7d6 | 10 | by the Free Software Foundation; either version 3, or (at your |
| 4f448245 NC |
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 | |
| 2f83c7d6 NC |
19 | along with GCC; see the file COPYING3. If not see |
| 20 | <http://www.gnu.org/licenses/>. */ | |
| afab5269 | 21 | |
| be393ecf NC |
22 | /* This is how we tell the assembler that a symbol is weak. |
| 23 | GAS always supports weak symbols. */ | |
| afab5269 | 24 | |
| b355a481 NC |
25 | /* Unsigned chars produces much better code than signed. */ |
| 26 | #define DEFAULT_SIGNED_CHAR 0 | |
| 27 | ||
| 28 | #undef SUBTARGET_CPP_SPEC | |
| bdede2ac | 29 | #define SUBTARGET_CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" |
| b355a481 NC |
30 | |
| 31 | #undef SIZE_TYPE | |
| 32 | #define SIZE_TYPE "unsigned int" | |
| 33 | ||
| 34 | #undef PTRDIFF_TYPE | |
| 35 | #define PTRDIFF_TYPE "int" | |
| 36 | ||
| c147eacb PB |
37 | /* Use the AAPCS type for wchar_t, or the previous Linux default for |
| 38 | non-AAPCS. */ | |
| 39 | #undef WCHAR_TYPE | |
| 40 | #define WCHAR_TYPE (TARGET_AAPCS_BASED ? "unsigned int" : "long int") | |
| b355a481 NC |
41 | |
| 42 | #undef WCHAR_TYPE_SIZE | |
| 43 | #define WCHAR_TYPE_SIZE BITS_PER_WORD | |
| 44 | ||
| b355a481 | 45 | /* Clear the instruction cache from `beg' to `end'. This makes an |
| f5a1b0d2 | 46 | inline system call to SYS_cacheflush. */ |
| b355a481 NC |
47 | #define CLEAR_INSN_CACHE(BEG, END) \ |
| 48 | { \ | |
| 49 | register unsigned long _beg __asm ("a1") = (unsigned long) (BEG); \ | |
| 50 | register unsigned long _end __asm ("a2") = (unsigned long) (END); \ | |
| 51 | register unsigned long _flg __asm ("a3") = 0; \ | |
| 0e3dd567 | 52 | __asm __volatile ("swi 0x9f0002 @ sys_cacheflush" \ |
| 8515dc81 PB |
53 | : "=r" (_beg) \ |
| 54 | : "0" (_beg), "r" (_end), "r" (_flg)); \ | |
| b355a481 | 55 | } |