| /* Definitions for ARM running ucLinux using ELF |
| Copyright (C) 1999-2022 Free Software Foundation, Inc. |
| Contributed by Philip Blundell <pb@nexus.co.uk> |
| |
| 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. |
| |
| Under Section 7 of GPL version 3, you are granted additional |
| permissions described in the GCC Runtime Library Exception, version |
| 3.1, as published by the Free Software Foundation. |
| |
| You should have received a copy of the GNU General Public License and |
| a copy of the GCC Runtime Library Exception along with this program; |
| see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| /* 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) |
| |
| /* 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|static-pie:--start-group} %G %{!nolibc:%L} \ |
| %{static|static-pie:--end-group}%{!static:%{!static-pie:%G %{!nolibc:%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 |