1 /* Definitions for AArch64 running FreeBSD
2    Copyright (C) 2016-2021 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