1/* Base configuration file for all FreeBSD targets.
2   Copyright (C) 1999-2020 Free Software Foundation, Inc.
3
4This file is part of GCC.
5
6GCC is free software; you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation; either version 3, or (at your option)
9any later version.
10
11GCC is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with GCC; see the file COPYING3.  If not see
18<http://www.gnu.org/licenses/>.  */
19
20/* Common FreeBSD configuration.
21   All FreeBSD architectures should include this file, which will specify
22   their commonalities.
23   Adapted from gcc/config/i386/freebsd-elf.h by
24   David O'Brien <obrien@FreeBSD.org>.
25   Further work by David O'Brien <obrien@FreeBSD.org> and
26   Loren J. Rittle <ljrittle@acm.org>.  */
27
28
29/* In case we need to know.  */
30#define USING_CONFIG_FREEBSD 1
31
32#undef  TARGET_OS_CPP_BUILTINS
33#define TARGET_OS_CPP_BUILTINS() FBSD_TARGET_OS_CPP_BUILTINS()
34
35#undef  CPP_SPEC
36#define CPP_SPEC FBSD_CPP_SPEC
37
38#undef  STARTFILE_SPEC
39#define STARTFILE_SPEC FBSD_STARTFILE_SPEC
40
41#undef  ENDFILE_SPEC
42#define ENDFILE_SPEC FBSD_ENDFILE_SPEC
43
44#undef  LIB_SPEC
45#define LIB_SPEC FBSD_LIB_SPEC
46
47#if defined(HAVE_LD_EH_FRAME_HDR)
48#define LINK_EH_SPEC "%{!static|static-pie:--eh-frame-hdr} "
49#endif
50
51#ifdef TARGET_LIBC_PROVIDES_SSP
52#define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \
53		       "|fstack-protector-strong|fstack-protector-explicit" \
54		       ":-lssp_nonshared}"
55#endif
56
57#undef TARGET_LIBC_HAS_FUNCTION
58#define TARGET_LIBC_HAS_FUNCTION no_c99_libc_has_function
59
60/* Use --as-needed -lgcc_s for eh support.  */
61#ifdef HAVE_LD_AS_NEEDED
62#define USE_LD_AS_NEEDED 1
63#endif
64
65/************************[  Target stuff  ]***********************************/
66
67/* All FreeBSD Architectures support the ELF object file format.  */
68#undef  OBJECT_FORMAT_ELF
69#define OBJECT_FORMAT_ELF
70
71/* Follow FreeBSD's standard headers (<sys/_types.h> etc...).  */
72
73#undef  WCHAR_TYPE
74#define WCHAR_TYPE "int"
75
76#undef  WINT_TYPE
77#define WINT_TYPE "int"
78
79#define MATH_LIBRARY_PROFILE    "m_p"
80
81/* Code generation parameters.  */
82
83/* Use periods rather than dollar signs in special g++ assembler names.
84   This ensures the configuration knows our system correctly so we can link
85   with libraries compiled with the native cc.  */
86#undef NO_DOLLAR_IN_LABEL
87
88/* Used by libgcc2.c.  We support file locking with fcntl / F_SETLKW.
89   This enables the test coverage code to use file locking when exiting a
90   program, which avoids race conditions if the program has forked.  */
91#define TARGET_POSIX_IO
92