rtems.h revision 1.9
1/* Configuration common to all targets running RTEMS. 2 Copyright (C) 2000-2018 Free Software Foundation, Inc. 3 4 This file is part of GCC. 5 6 GCC is free software; you can redistribute it and/or modify it 7 under the terms of the GNU General Public License as published 8 by the Free Software Foundation; either version 3, or (at your 9 option) any later version. 10 11 GCC is distributed in the hope that it will be useful, but WITHOUT 12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 13 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 14 License for more details. 15 16 Under Section 7 of GPL version 3, you are granted additional 17 permissions described in the GCC Runtime Library Exception, version 18 3.1, as published by the Free Software Foundation. 19 20 You should have received a copy of the GNU General Public License and 21 a copy of the GCC Runtime Library Exception along with this program; 22 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23 <http://www.gnu.org/licenses/>. */ 24 25/* The system headers under RTEMS are C++-aware. */ 26#undef NO_IMPLICIT_EXTERN_C 27#define NO_IMPLICIT_EXTERN_C 28 29/* 30 * Dummy start/end specification to let linker work as 31 * needed by autoconf scripts using this compiler. 32 */ 33#undef STARTFILE_SPEC 34#define STARTFILE_SPEC "crt0.o%s" 35 36#undef ENDFILE_SPEC 37#define ENDFILE_SPEC "" 38 39/* 40 * Some targets do not set up LIB_SPECS, override it, here. 41 */ 42#define STD_LIB_SPEC "%{!shared:%{g*:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}}" 43 44#undef LIB_SPEC 45#define LIB_SPEC "%{!qrtems: " STD_LIB_SPEC "} " \ 46"%{!nostdlib: %{qrtems: --start-group \ 47 -lrtemsbsp -lrtemscpu \ 48 -latomic -lc -lgcc --end-group %{!qnolinkcmds: -T linkcmds%s}}}" 49 50#define TARGET_POSIX_IO 51 52/* Prefer int for int32_t (see stdint-newlib.h). */ 53#undef STDINT_LONG32 54#define STDINT_LONG32 (INT_TYPE_SIZE != 32 && LONG_TYPE_SIZE == 32) 55