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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [config/] [arm/] [linux-gas.h] - Rev 758
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/* Definitions of target machine for GNU compiler. ARM Linux-based GNU systems version. Copyright (C) 1997, 1998, 1999, 2000, 2001, 2004, 2007 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. You should have received a copy of the GNU General Public License along with GCC; see the file COPYING3. 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)); \ }
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