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      1 /* Configuration common to all targets running RTEMS.
      2    Copyright (C) 2000-2022 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 #ifndef RTEMS_STARTFILE_SPEC
     26 #define RTEMS_STARTFILE_SPEC "crti%O%s crtbegin%O%s"
     27 #endif
     28 
     29 #ifndef RTEMS_ENDFILE_SPEC
     30 #define RTEMS_ENDFILE_SPEC "crtend%O%s crtn%O%s"
     31 #endif
     32 
     33 /*
     34  * The crt0.o is a dummy start file to let the linker work as needed by
     35  * autoconf scripts using this compiler.
     36  */
     37 #undef STARTFILE_SPEC
     38 #define STARTFILE_SPEC "%{!qrtems:crt0%O%s} " \
     39 "%{qrtems:" RTEMS_STARTFILE_SPEC "}"
     40 
     41 #undef ENDFILE_SPEC
     42 #define ENDFILE_SPEC \
     43 "%{qrtems:" RTEMS_ENDFILE_SPEC " %{!qnolinkcmds:-T linkcmds%s}}"
     44 
     45 /*
     46  * Some targets do not set up LIB_SPECS, override it, here.
     47  */
     48 #define STD_LIB_SPEC "%{!shared:%{g*:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}}"
     49 
     50 #undef LIB_SPEC
     51 #define LIB_SPEC "%{!qrtems:" STD_LIB_SPEC "} " \
     52 "%{qrtems:--start-group -lrtemsbsp -lrtemscpu -latomic -lc -lgcc --end-group}"
     53 
     54 #define TARGET_POSIX_IO
     55 
     56 /* Prefer int for int32_t (see stdint-newlib.h).  */
     57 #undef STDINT_LONG32
     58 #define STDINT_LONG32 (INT_TYPE_SIZE != 32 && LONG_TYPE_SIZE == 32)
     59