/* Configuration file for ARM GNU/Linux EABI targets.   Copyright (C) 2004, 2005   Free Software Foundation, Inc.   Contributed by CodeSourcery, LLC      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 2, 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 COPYING.  If not, write to   the Free Software Foundation, 51 Franklin Street, Fifth Floor,   Boston, MA 02110-1301, USA.  *//* On EABI GNU/Linux, we want both the BPABI builtins and the   GNU/Linux builtins.  */#undef TARGET_OS_CPP_BUILTINS#define TARGET_OS_CPP_BUILTINS() 		\  do 						\    {						\      TARGET_BPABI_CPP_BUILTINS();		\      LINUX_TARGET_OS_CPP_BUILTINS();		\    }						\  while (false)/* We default to a soft-float ABI so that binaries can run on all   target hardware.  */#undef TARGET_DEFAULT_FLOAT_ABI#define TARGET_DEFAULT_FLOAT_ABI ARM_FLOAT_ABI_SOFT/* We default to the "aapcs-linux" ABI so that enums are int-sized by   default.  */#undef ARM_DEFAULT_ABI#define ARM_DEFAULT_ABI ARM_ABI_AAPCS_LINUX/* Default to armv5t so that thumb shared libraries work.   The ARM10TDMI core is the default for armv5t, so set   SUBTARGET_CPU_DEFAULT to achieve this.  */#undef SUBTARGET_CPU_DEFAULT#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi#undef SUBTARGET_EXTRA_LINK_SPEC#define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux_eabi"/* Use ld-linux.so.3 so that it will be possible to run "classic"   GNU/Linux binaries on an EABI system.  */#undef LINUX_TARGET_INTERPRETER#define LINUX_TARGET_INTERPRETER "/lib/ld-linux.so.3"/* At this point, bpabi.h will have clobbered LINK_SPEC.  We want to   use the GNU/Linux version, not the generic BPABI version.  */#undef LINK_SPEC#define LINK_SPEC LINUX_TARGET_LINK_SPEC/* Use the default LIBGCC_SPEC, not the version in linux-elf.h, as we   do not use -lfloat.  */#undef LIBGCC_SPEC/* 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")/* Clear the instruction cache from `beg' to `end'.  This makes an   inline system call to SYS_cacheflush.  It is modified to work with   both the original and EABI-only syscall interfaces.  */#undef CLEAR_INSN_CACHE#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;				\  register unsigned long _scno __asm ("r7") = 0xf0002;			\  __asm __volatile ("swi 0x9f0002		@ sys_cacheflush"	\		    : "=r" (_beg)					\		    : "0" (_beg), "r" (_end), "r" (_flg), "r" (_scno));	\}