/* Definitions for ARM running ucLinux using ELF Copyright (C) 1999-2013 Free Software Foundation, Inc. Contributed by Philip Blundell 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 . */ /* We don't want a PLT. */ #undef NEED_PLT_RELOC #define NEED_PLT_RELOC 0 #undef TARGET_DEFAULT #define TARGET_DEFAULT (MASK_SINGLE_PIC_BASE) /* NOTE: The remaining definitions in this file are needed because uclinux does not use config/linux.h. */ /* Add GNU/Linux builtins. */ #undef TARGET_OS_CPP_BUILTINS #define TARGET_OS_CPP_BUILTINS() \ do \ { \ builtin_define ("__uClinux__"); \ builtin_define ("__gnu_linux__"); \ builtin_define_std ("linux"); \ builtin_define_std ("unix"); \ builtin_assert ("system=linux"); \ builtin_assert ("system=unix"); \ builtin_assert ("system=posix"); \ } \ while (false) /* Do not assume anything about header files. */ #define NO_IMPLICIT_EXTERN_C /* The GNU C++ standard library requires that these macros be defined. */ #undef CPLUSPLUS_CPP_SPEC #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)" #undef SUBTARGET_EXTRA_LINK_SPEC #define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux" /* Now we define the strings used to build the spec file. */ #undef STARTFILE_SPEC #define STARTFILE_SPEC "crt1%O%s crti%O%s crtbegin%O%s" #undef ENDFILE_SPEC #define ENDFILE_SPEC "crtend%O%s crtn%O%s" #undef CC1_SPEC #define CC1_SPEC "%{profile:-p}" #undef LINK_GCC_C_SEQUENCE_SPEC #define LINK_GCC_C_SEQUENCE_SPEC \ "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G %L}" /* Use --as-needed -lgcc_s for eh support. */ #ifdef HAVE_LD_AS_NEEDED #define USE_LD_AS_NEEDED 1 #endif #undef LINK_SPEC #define LINK_SPEC "%{mbig-endian:-EB} %{mlittle-endian:-EL} -X -elf2flt" #undef LIB_SPEC #define LIB_SPEC \ "%{pthread:-lpthread} \ %{shared:-lc} \ %{!shared:%{profile:-lc_p}%{!profile:-lc}}" #define TARGET_DEFAULT_WORD_RELOCATIONS 1