1  /* Specs definitions for Atmel AVR back end.
       2  
       3     Copyright (C) 2012-2023 Free Software Foundation, Inc.
       4     Contributed by Georg-Johann Lay (avr@gjlay.de)
       5  
       6  This file is part of GCC.
       7  
       8  GCC is free software; you can redistribute it and/or modify
       9  it under the terms of the GNU General Public License as published by
      10  the Free Software Foundation; either version 3, or (at your option)
      11  any later version.
      12  
      13  GCC is distributed in the hope that it will be useful,
      14  but WITHOUT ANY WARRANTY; without even the implied warranty of
      15  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      16  GNU General Public License for more details.
      17  
      18  You should have received a copy of the GNU General Public License
      19  along with GCC; see the file COPYING3.  If not see
      20  <http://www.gnu.org/licenses/>.  */
      21  
      22  
      23  /* Default specs layout.  The actual definitions might be superseeded
      24     by device- or OS- specific files, like avrlibc.h, ../rtems.h, etc.
      25     The specs are repeated in the device specs files.  Subspecs are
      26     specs known to GCC or specs defined in the device specs files.  */
      27  
      28  
      29  #undef  CPLUSPLUS_CPP_SPEC
      30  #define CPLUSPLUS_CPP_SPEC                      \
      31    "%(cpp)"
      32  
      33  #undef  CC1_SPEC
      34  #define CC1_SPEC                                \
      35    "%(cc1_n_flash) "                             \
      36    "%(cc1_errata_skip) "                         \
      37    "%(cc1_rmw) "                                 \
      38    "%(cc1_absdata) "
      39  
      40  #undef  CC1PLUS_SPEC
      41  #define CC1PLUS_SPEC                                    \
      42    "%(cc1) "                                             \
      43    "%{!frtti:-fno-rtti} "                                \
      44    "%{!fenforce-eh-specs:-fno-enforce-eh-specs} "        \
      45    "%{!fexceptions:-fno-exceptions} "
      46  
      47  #define ASM_RELAX_SPEC                          \
      48    "%{mrelax:--mlink-relax} "
      49  
      50  #undef  ASM_SPEC
      51  #define ASM_SPEC                                \
      52    "%(asm_arch) "                                \
      53    "%(asm_relax) "                               \
      54    "%(asm_rmw) "                                 \
      55    "%(asm_gccisr) "                              \
      56    "%(asm_errata_skip) "
      57  
      58  #define LINK_ARCH_SPEC                          \
      59    "%{mmcu=*:-m%*} "
      60  
      61  #define LINK_RELAX_SPEC                         \
      62    "%{mrelax:--relax} "
      63  
      64  #undef  LINK_SPEC
      65  #define LINK_SPEC                               \
      66    "%(link_arch) "                               \
      67    "%(link_data_start) "                         \
      68    "%(link_text_start) "                         \
      69    "%(link_relax) "                              \
      70    "%(link_pmem_wrap) "                          \
      71    "%{shared:%eshared is not supported} "
      72  
      73  #undef  LIB_SPEC
      74  #define LIB_SPEC " %{!mmcu=avr1:-lc} "
      75  
      76  #undef  LIBGCC_SPEC
      77  #define LIBGCC_SPEC " %{!mmcu=avr1:-lgcc} "
      78  
      79  #define STARTFILE_SPEC ""
      80  #define ENDFILE_SPEC ""