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/* Definitions for TI C6X running ucLinux using ELF
Copyright (C) 2010-2015 Free Software Foundation, Inc.
Contributed by Andrew Jenner <andrew@codesourcery.com>
Contributed by Bernd Schmidt <bernds@codesourcery.com>
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/>. */
#undef TARGET_OS_CPP_BUILTINS
#define TARGET_OS_CPP_BUILTINS() \
do \
{ \
builtin_define ("__uClinux__"); \
builtin_define_std ("linux"); \
builtin_define_std ("unix"); \
builtin_assert ("system=linux"); \
builtin_assert ("system=unix"); \
builtin_assert ("system=posix"); \
} \
while (false)
#undef STARTFILE_SPEC
#define STARTFILE_SPEC \
"%{!shared:crt1%O%s} crti%O%s %{shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
#define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
#undef LINK_SPEC
#define LINK_SPEC ENDIAN_LINK_SPEC \
"%{shared} %{" FPIE_SPEC ":-pie} \
%{!shared: %{!static: \
%{rdynamic:-export-dynamic} \
%{!dynamic-linker:-dynamic-linker " UCLIBC_DYNAMIC_LINKER "}} \
%{static}}"
#undef DRIVER_SELF_SPECS
#define DRIVER_SELF_SPECS "%{!mno-dsbt:-mdsbt}"
/* Clear the instruction cache from `beg' to `end'. This makes an
inline system call to SYS_cacheflush. */
#undef CLEAR_INSN_CACHE
#define CLEAR_INSN_CACHE(BEG, END) \
{ \
register unsigned long _beg __asm ("A4") = (unsigned long) (BEG); \
register unsigned long _end __asm ("B4") = (unsigned long) (END); \
register unsigned long _scno __asm ("B0") = 244; \
__asm __volatile ("swe ; sys_cache_sync" \
: "=a" (_beg) \
: "0" (_beg), "b" (_end), "b" (_scno)); \
}
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