64 lines
2.2 KiB
C
64 lines
2.2 KiB
C
/* Definitions for TI C6X running ucLinux using ELF
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Copyright (C) 2010-2021 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_SPEC ":-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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