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jeremybenn |
/* Definitions for ARM running ucLinux using ELF
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Copyright (C) 1999, 2001, 2004, 2005, 2007, 2008, 2009, 2011
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Free Software Foundation, Inc.
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Contributed by Philip Blundell <pb@nexus.co.uk>
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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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/* We don't want a PLT. */
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#undef NEED_PLT_RELOC
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#define NEED_PLT_RELOC 0
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#undef TARGET_DEFAULT
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#define TARGET_DEFAULT (MASK_SINGLE_PIC_BASE)
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/* NOTE: The remaining definitions in this file are needed because uclinux
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does not use config/linux.h. */
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/* Add 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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builtin_define ("__uClinux__"); \
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builtin_define ("__gnu_linux__"); \
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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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/* Do not assume anything about header files. */
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#define NO_IMPLICIT_EXTERN_C
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/* The GNU C++ standard library requires that these macros be defined. */
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#undef CPLUSPLUS_CPP_SPEC
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#define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
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#undef SUBTARGET_EXTRA_LINK_SPEC
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#define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux"
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/* Now we define the strings used to build the spec file. */
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC "crt1%O%s crti%O%s crtbegin%O%s"
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#undef ENDFILE_SPEC
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#define ENDFILE_SPEC "crtend%O%s crtn%O%s"
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#undef CC1_SPEC
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#define CC1_SPEC "%{profile:-p}"
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#undef LINK_GCC_C_SEQUENCE_SPEC
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#define LINK_GCC_C_SEQUENCE_SPEC \
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"%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"
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/* Use --as-needed -lgcc_s for eh support. */
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#ifdef HAVE_LD_AS_NEEDED
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#define USE_LD_AS_NEEDED 1
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#endif
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#undef LINK_SPEC
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#define LINK_SPEC "%{mbig-endian:-EB} %{mlittle-endian:-EL} -X -elf2flt"
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#undef LIB_SPEC
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#define LIB_SPEC \
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"%{pthread:-lpthread} \
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%{shared:-lc} \
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%{!shared:%{profile:-lc_p}%{!profile:-lc}}"
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#define TARGET_DEFAULT_WORD_RELOCATIONS 1
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