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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [arm/] [linux-eabi.h] - Blame information for rev 282

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1 282 jeremybenn
/* Configuration file for ARM GNU/Linux EABI targets.
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   Copyright (C) 2004, 2005, 2006, 2007
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   Free Software Foundation, Inc.
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   Contributed by CodeSourcery, LLC
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   This file is part of GCC.
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   GCC is free software; you can redistribute it and/or modify it
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   under the terms of the GNU General Public License as published
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   by the Free Software Foundation; either version 3, or (at your
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   option) any later version.
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   GCC is distributed in the hope that it will be useful, but WITHOUT
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   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
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   License for more details.
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   You should have received a copy of the GNU General Public License
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   along with GCC; see the file COPYING3.  If not see
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   <http://www.gnu.org/licenses/>.  */
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/* On EABI GNU/Linux, we want both the BPABI builtins and the
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   GNU/Linux builtins.  */
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#undef  TARGET_OS_CPP_BUILTINS
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#define TARGET_OS_CPP_BUILTINS()                \
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  do                                            \
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    {                                           \
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      TARGET_BPABI_CPP_BUILTINS();              \
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      LINUX_TARGET_OS_CPP_BUILTINS();           \
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    }                                           \
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  while (false)
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/* We default to a soft-float ABI so that binaries can run on all
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   target hardware.  */
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#undef  TARGET_DEFAULT_FLOAT_ABI
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#define TARGET_DEFAULT_FLOAT_ABI ARM_FLOAT_ABI_SOFT
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/* We default to the "aapcs-linux" ABI so that enums are int-sized by
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   default.  */
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#undef  ARM_DEFAULT_ABI
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#define ARM_DEFAULT_ABI ARM_ABI_AAPCS_LINUX
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/* Default to armv5t so that thumb shared libraries work.
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   The ARM10TDMI core is the default for armv5t, so set
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   SUBTARGET_CPU_DEFAULT to achieve this.  */
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#undef  SUBTARGET_CPU_DEFAULT
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#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi
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/* TARGET_BIG_ENDIAN_DEFAULT is set in
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   config.gcc for big endian configurations.  */
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#undef  TARGET_LINKER_EMULATION
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#if TARGET_BIG_ENDIAN_DEFAULT
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#define TARGET_LINKER_EMULATION "armelfb_linux_eabi"
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#else
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#define TARGET_LINKER_EMULATION "armelf_linux_eabi"
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#endif
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#undef  SUBTARGET_EXTRA_LINK_SPEC
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#define SUBTARGET_EXTRA_LINK_SPEC " -m " TARGET_LINKER_EMULATION
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/* Use ld-linux.so.3 so that it will be possible to run "classic"
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   GNU/Linux binaries on an EABI system.  */
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#undef  GLIBC_DYNAMIC_LINKER
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#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.3"
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/* At this point, bpabi.h will have clobbered LINK_SPEC.  We want to
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   use the GNU/Linux version, not the generic BPABI version.  */
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#undef  LINK_SPEC
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#define LINK_SPEC LINUX_TARGET_LINK_SPEC BE8_LINK_SPEC
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/* Use the default LIBGCC_SPEC, not the version in linux-elf.h, as we
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   do not use -lfloat.  */
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#undef LIBGCC_SPEC
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/* Clear the instruction cache from `beg' to `end'.  This is
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   implemented in lib1funcs.asm, so ensure an error if this definition
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   is used.  */
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#undef  CLEAR_INSN_CACHE
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#define CLEAR_INSN_CACHE(BEG, END) not_used

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