| /* Definitions of target machine for GNU compiler. |
| ARM Linux-based GNU systems version. |
| Copyright (C) 1997-2014 Free Software Foundation, Inc. |
| Contributed by Russell King <rmk92@ecs.soton.ac.uk>. |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify it |
| under the terms of the GNU General Public License as published |
| by the Free Software Foundation; either version 3, or (at your |
| option) any later version. |
| |
| GCC is distributed in the hope that it will be useful, but WITHOUT |
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public |
| License for more details. |
| |
| Under Section 7 of GPL version 3, you are granted additional |
| permissions described in the GCC Runtime Library Exception, version |
| 3.1, as published by the Free Software Foundation. |
| |
| You should have received a copy of the GNU General Public License and |
| a copy of the GCC Runtime Library Exception along with this program; |
| see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| /* This is how we tell the assembler that a symbol is weak. |
| GAS always supports weak symbols. */ |
| |
| /* Unsigned chars produces much better code than signed. */ |
| #define DEFAULT_SIGNED_CHAR 0 |
| |
| #undef SUBTARGET_CPP_SPEC |
| #define SUBTARGET_CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" |
| |
| #undef SIZE_TYPE |
| #define SIZE_TYPE "unsigned int" |
| |
| #undef PTRDIFF_TYPE |
| #define PTRDIFF_TYPE "int" |
| |
| /* Use the AAPCS type for wchar_t, or the previous Linux default for |
| non-AAPCS. */ |
| #undef WCHAR_TYPE |
| #define WCHAR_TYPE (TARGET_AAPCS_BASED ? "unsigned int" : "long int") |
| |
| #undef WCHAR_TYPE_SIZE |
| #define WCHAR_TYPE_SIZE BITS_PER_WORD |
| |
| /* Clear the instruction cache from `beg' to `end'. This makes an |
| inline system call to SYS_cacheflush. */ |
| #define CLEAR_INSN_CACHE(BEG, END) \ |
| { \ |
| register unsigned long _beg __asm ("a1") = (unsigned long) (BEG); \ |
| register unsigned long _end __asm ("a2") = (unsigned long) (END); \ |
| register unsigned long _flg __asm ("a3") = 0; \ |
| __asm __volatile ("swi 0x9f0002 @ sys_cacheflush" \ |
| : "=r" (_beg) \ |
| : "0" (_beg), "r" (_end), "r" (_flg)); \ |
| } |
