gcc/config/avr/specs.h

   1 /* Specs definitions for Atmel AVR back end.
   2
   3    Copyright (C) 2012-2016 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
  39 #undef  CC1PLUS_SPEC
  40 #define CC1PLUS_SPEC                                    \
  41   "%(cc1) "                                             \
  42   "%{!frtti:-fno-rtti} "                                \
  43   "%{!fenforce-eh-specs:-fno-enforce-eh-specs} "        \
  44   "%{!fexceptions:-fno-exceptions} "
  45
  46 #define ASM_RELAX_SPEC                          \
  47   "%{mrelax:--mlink-relax} "
  48
  49 #undef  ASM_SPEC
  50 #define ASM_SPEC                                \
  51   "%(asm_arch) "                                \
  52   "%(asm_relax) "                               \
  53   "%(asm_rmw) "                                 \
  54   "%(asm_errata_skip) "
  55
  56 #define LINK_ARCH_SPEC                          \
  57   "%{mmcu=*:-m%*} "
  58
  59 #define LINK_RELAX_SPEC                         \
  60   "%{mrelax:--relax %(link_pmem_wrap)} "
  61
  62 #undef  LINK_SPEC
  63 #define LINK_SPEC                               \
  64   "%(link_arch) "                               \
  65   "%(link_data_start) "                         \
  66   "%(link_text_start) "                         \
  67   "%(link_relax) "                              \
  68   "%{shared:%eshared is not supported} "
  69
  70 #undef  LIB_SPEC
  71 #define LIB_SPEC " %{!mmcu=avr1:-lc} "
  72
  73 #undef  LIBGCC_SPEC
  74 #define LIBGCC_SPEC " %{!mmcu=avr1:-lgcc} "
  75
  76 #define STARTFILE_SPEC ""
  77 #define ENDFILE_SPEC ""