1  /* Configuration common to all targets running RTEMS. 
       2     Copyright (C) 2000-2023 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  
      60  /* Default to local-exec TLS model.  */
      61  #undef OS_CC1_SPEC
      62  #define OS_CC1_SPEC " %{!ftls-model=*:-ftls-model=local-exec}"