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/* 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)); \
}
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