1/* Definitions for AArch64 running FreeBSD
2   Copyright (C) 2016-2020 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 by
8   the Free Software Foundation; either version 3, or (at your option)
9   any later version.
10
11   GCC is distributed in the hope that it will be useful, but
12   WITHOUT ANY WARRANTY; without even the implied warranty of
13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14   General Public License for more details.
15
16   You should have received a copy of the GNU General Public License
17   along with GCC; see the file COPYING3.  If not see
18   <http://www.gnu.org/licenses/>.  */
19
20#ifndef GCC_AARCH64_FREEBSD_H
21#define GCC_AARCH64_FREEBSD_H
22
23#undef  SUBTARGET_CPP_SPEC
24#define SUBTARGET_CPP_SPEC FBSD_CPP_SPEC
25
26#if TARGET_BIG_ENDIAN_DEFAULT
27#define TARGET_LINKER_EMULATION  "aarch64fbsdb"
28#else
29#define TARGET_LINKER_EMULATION  "aarch64fbsd"
30#endif
31
32#undef  SUBTARGET_EXTRA_LINK_SPEC
33#define SUBTARGET_EXTRA_LINK_SPEC " -m" TARGET_LINKER_EMULATION
34
35#undef  FBSD_TARGET_LINK_SPEC
36#define FBSD_TARGET_LINK_SPEC "                                 \
37    %{p:%nconsider using `-pg' instead of `-p' with gprof (1)}  \
38    %{v:-V}                                                     \
39    %{assert*} %{R*} %{rpath*} %{defsym*}                       \
40    %{shared:-Bshareable %{h*} %{soname*}}                      \
41    %{symbolic:-Bsymbolic}                                      \
42    %{static:-Bstatic}                                          \
43    %{!static:                                                  \
44      %{rdynamic:-export-dynamic}                               \
45      %{!shared:-dynamic-linker " FBSD_DYNAMIC_LINKER " }}      \
46    -X" SUBTARGET_EXTRA_LINK_SPEC "                             \
47    %{mbig-endian:-EB} %{mlittle-endian:-EL}"
48
49#undef  LINK_SPEC
50#define LINK_SPEC FBSD_TARGET_LINK_SPEC AARCH64_ERRATA_LINK_SPEC
51
52#define GNU_USER_TARGET_MATHFILE_SPEC \
53  "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s}"
54
55#undef ENDFILE_SPEC
56#define ENDFILE_SPEC \
57    GNU_USER_TARGET_MATHFILE_SPEC " " \
58    FBSD_ENDFILE_SPEC
59
60#undef  TARGET_OS_CPP_BUILTINS
61#define TARGET_OS_CPP_BUILTINS()              \
62  do                                          \
63  {                                           \
64      FBSD_TARGET_OS_CPP_BUILTINS ();         \
65  }                                           \
66  while (false)
67
68#define TARGET_ASM_FILE_END file_end_indicate_exec_stack
69
70/* Uninitialized common symbols in non-PIE executables, even with
71   strong definitions in dependent shared libraries, will resolve
72   to COPY relocated symbol in the executable.  See PR65780.  */
73#undef TARGET_BINDS_LOCAL_P
74#define TARGET_BINDS_LOCAL_P default_binds_local_p_2
75
76/* Use the AAPCS type for wchar_t, override the one from
77   config/freebsd.h.  */
78#undef  WCHAR_TYPE
79#define WCHAR_TYPE  "unsigned int"
80
81#undef MCOUNT_NAME
82#define MCOUNT_NAME ".mcount"
83
84#endif  /* GCC_AARCH64_FREEBSD_H */
85