1 /* Definitions for systems using, at least optionally, a GNU
2 (glibc-based) userspace or other userspace with libc derived from
3 glibc (e.g. uClibc) or for which similar specs are appropriate.
4 Copyright (C) 1995-2023 Free Software Foundation, Inc.
5 Contributed by Eric Youngdale.
6 Modified for stabs-in-ELF by H.J. Lu (hjl@lucon.org).
7
8 This file is part of GCC.
9
10 GCC is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3, or (at your option)
13 any later version.
14
15 GCC is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 Under Section 7 of GPL version 3, you are granted additional
21 permissions described in the GCC Runtime Library Exception, version
22 3.1, as published by the Free Software Foundation.
23
24 You should have received a copy of the GNU General Public License and
25 a copy of the GCC Runtime Library Exception along with this program;
26 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
27 <http://www.gnu.org/licenses/>. */
28
29 #undef ASM_APP_ON
30 #define ASM_APP_ON "#APP\n"
31
32 #undef ASM_APP_OFF
33 #define ASM_APP_OFF "#NO_APP\n"
34
35 #if ENABLE_OFFLOADING == 1
36 #define CRTOFFLOADBEGIN "%{fopenacc|fopenmp:crtoffloadbegin%O%s}"
37 #define CRTOFFLOADEND "%{fopenacc|fopenmp:crtoffloadend%O%s}"
38 #else
39 #define CRTOFFLOADBEGIN ""
40 #define CRTOFFLOADEND ""
41 #endif
42
43 #define GNU_USER_TARGET_CRTI "crti.o%s"
44 #define GNU_USER_TARGET_CRTN "crtn.o%s"
45
46 /* Provide a STARTFILE_SPEC appropriate for GNU userspace. Here we add
47 the GNU userspace magical crtbegin.o file (see crtstuff.c) which
48 provides part of the support for getting C++ file-scope static
49 object constructed before entering `main'. */
50
51 #define GNU_USER_TARGET_STARTFILE_SPEC \
52 "%{shared:; \
53 pg|p|profile:%{static-pie:grcrt1.o%s;:gcrt1.o%s}; \
54 static:crt1.o%s; \
55 static-pie:rcrt1.o%s; \
56 " PIE_SPEC ":Scrt1.o%s; \
57 :crt1.o%s} " \
58 GNU_USER_TARGET_CRTI " \
59 %{static:crtbeginT.o%s; \
60 shared|static-pie|" PIE_SPEC ":crtbeginS.o%s; \
61 :crtbegin.o%s} \
62 %{fvtable-verify=none:%s; \
63 fvtable-verify=preinit:vtv_start_preinit.o%s; \
64 fvtable-verify=std:vtv_start.o%s} " \
65 CRTOFFLOADBEGIN
66 #undef STARTFILE_SPEC
67 #define STARTFILE_SPEC GNU_USER_TARGET_STARTFILE_SPEC
68
69 /* Provide a ENDFILE_SPEC appropriate for GNU userspace. Here we tack on
70 the GNU userspace magical crtend.o file (see crtstuff.c) which
71 provides part of the support for getting C++ file-scope static
72 object constructed before entering `main', followed by a normal
73 GNU userspace "finalizer" file, `crtn.o'. */
74
75 #define GNU_USER_TARGET_ENDFILE_SPEC \
76 "%{!static:%{fvtable-verify=none:%s; \
77 fvtable-verify=preinit:vtv_end_preinit.o%s; \
78 fvtable-verify=std:vtv_end.o%s}} \
79 %{static:crtend.o%s; \
80 shared|static-pie|" PIE_SPEC ":crtendS.o%s; \
81 :crtend.o%s} " \
82 GNU_USER_TARGET_CRTN " " \
83 CRTOFFLOADEND
84 #undef ENDFILE_SPEC
85 #define ENDFILE_SPEC GNU_USER_TARGET_ENDFILE_SPEC
86
87 /* This is for -profile to use -lc_p instead of -lc. */
88 #define GNU_USER_TARGET_CC1_SPEC "%{profile:-p}"
89 #ifndef CC1_SPEC
90 #define CC1_SPEC GNU_USER_TARGET_CC1_SPEC
91 #endif
92
93 /* The GNU C++ standard library requires that these macros be defined. */
94 #undef CPLUSPLUS_CPP_SPEC
95 #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
96
97 #define GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC \
98 "%{shared:-lc} \
99 %{!shared:%{profile:-lc_p}%{!profile:-lc}}"
100
101 #define GNU_USER_TARGET_LIB_SPEC \
102 "%{pthread:-lpthread} " \
103 GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC
104
105 #undef LIB_SPEC
106 #define LIB_SPEC GNU_USER_TARGET_LIB_SPEC
107
108 #if defined(HAVE_LD_EH_FRAME_HDR)
109 #define LINK_EH_SPEC "%{!static|static-pie:--eh-frame-hdr} "
110 #endif
111
112 #define GNU_USER_TARGET_LINK_GCC_C_SEQUENCE_SPEC \
113 "%{static|static-pie:--start-group} %G %{!nolibc:%L} \
114 %{static|static-pie:--end-group}%{!static:%{!static-pie:%G}}"
115
116 #undef LINK_GCC_C_SEQUENCE_SPEC
117 #define LINK_GCC_C_SEQUENCE_SPEC GNU_USER_TARGET_LINK_GCC_C_SEQUENCE_SPEC
118
119 /* Use --as-needed -lgcc_s for eh support. */
120 #ifdef HAVE_LD_AS_NEEDED
121 #define USE_LD_AS_NEEDED 1
122 #endif
123
124 #define TARGET_POSIX_IO
125
126 #undef TARGET_LIBC_HAS_FUNCTION
127 #define TARGET_LIBC_HAS_FUNCTION gnu_libc_has_function
128
129 /* Link -lasan early on the command line. For -static-libasan, don't link
130 it for -shared link, the executable should be compiled with -static-libasan
131 in that case, and for executable link with --{,no-}whole-archive around
132 it to force everything into the executable. And similarly for -ltsan,
133 -lhwasan, and -llsan. */
134 #if defined(HAVE_LD_STATIC_DYNAMIC)
135 #undef LIBASAN_EARLY_SPEC
136 #define LIBASAN_EARLY_SPEC "%{!shared:libasan_preinit%O%s} " \
137 "%{static-libasan:%{!shared:" \
138 LD_STATIC_OPTION " --whole-archive -lasan --no-whole-archive " \
139 LD_DYNAMIC_OPTION "}}%{!static-libasan:-lasan}"
140 #undef LIBHWASAN_EARLY_SPEC
141 #define LIBHWASAN_EARLY_SPEC "%{!shared:libhwasan_preinit%O%s} " \
142 "%{static-libhwasan:%{!shared:" \
143 LD_STATIC_OPTION " --whole-archive -lhwasan --no-whole-archive " \
144 LD_DYNAMIC_OPTION "}}%{!static-libhwasan:-lhwasan}"
145 #undef LIBTSAN_EARLY_SPEC
146 #define LIBTSAN_EARLY_SPEC "%{!shared:libtsan_preinit%O%s} " \
147 "%{static-libtsan:%{!shared:" \
148 LD_STATIC_OPTION " --whole-archive -ltsan --no-whole-archive " \
149 LD_DYNAMIC_OPTION "}}%{!static-libtsan:-ltsan}"
150 #undef LIBLSAN_EARLY_SPEC
151 #define LIBLSAN_EARLY_SPEC "%{!shared:liblsan_preinit%O%s} " \
152 "%{static-liblsan:%{!shared:" \
153 LD_STATIC_OPTION " --whole-archive -llsan --no-whole-archive " \
154 LD_DYNAMIC_OPTION "}}%{!static-liblsan:-llsan}"
155 #endif
156
157 #undef TARGET_F951_OPTIONS
158 #define TARGET_F951_OPTIONS "%{!nostdinc:\
159 %:fortran-preinclude-file(-fpre-include= math-vector-fortran.h finclude%s/)}"