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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [config/] [c6x/] [uclinux-elf.h] - Blame information for rev 709

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Line No. Rev Author Line
1 709 jeremybenn
/* Definitions for TI C6X running ucLinux using ELF
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   Copyright (C) 2010, 2011 Free Software Foundation, Inc.
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   Contributed by Andrew Jenner <andrew@codesourcery.com>
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   Contributed by Bernd Schmidt <bernds@codesourcery.com>
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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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#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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      builtin_define ("__uClinux__");           \
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      builtin_define_std ("linux");             \
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      builtin_define_std ("unix");              \
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      builtin_assert ("system=linux");          \
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      builtin_assert ("system=unix");           \
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      builtin_assert ("system=posix");          \
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    }                                           \
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  while (false)
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#undef  STARTFILE_SPEC
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#define STARTFILE_SPEC \
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  "%{!shared:crt1%O%s} crti%O%s %{shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
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#define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
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#undef LINK_SPEC
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#define LINK_SPEC ENDIAN_LINK_SPEC \
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  "%{shared} %{fpie|fPIE:-pie} \
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  %{!shared: %{!static: \
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   %{rdynamic:-export-dynamic} \
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   %{!dynamic-linker:-dynamic-linker " UCLIBC_DYNAMIC_LINKER "}} \
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   %{static}}"
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#undef DRIVER_SELF_SPECS
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#define DRIVER_SELF_SPECS "%{!mno-dsbt:-mdsbt}"
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/* Clear the instruction cache from `beg' to `end'.  This makes an
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   inline system call to SYS_cacheflush.  */
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#undef CLEAR_INSN_CACHE
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#define CLEAR_INSN_CACHE(BEG, END)                                      \
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{                                                                       \
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  register unsigned long _beg __asm ("A4") = (unsigned long) (BEG);     \
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  register unsigned long _end __asm ("B4") = (unsigned long) (END);     \
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  register unsigned long _scno __asm ("B0") = 244;                      \
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  __asm __volatile ("swe                ; sys_cache_sync"               \
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                    : "=a" (_beg)                                       \
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                    : "0" (_beg), "b" (_end), "b" (_scno));      \
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}
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