1/* Specs definitions for Atmel AVR back end.
2
3   Copyright (C) 2012-2020 Free Software Foundation, Inc.
4   Contributed by Georg-Johann Lay (avr@gjlay.de)
5
6This file is part of GCC.
7
8GCC is free software; you can redistribute it and/or modify
9it under the terms of the GNU General Public License as published by
10the Free Software Foundation; either version 3, or (at your option)
11any later version.
12
13GCC is distributed in the hope that it will be useful,
14but WITHOUT ANY WARRANTY; without even the implied warranty of
15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16GNU General Public License for more details.
17
18You should have received a copy of the GNU General Public License
19along 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 ""
81