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8e38461c JM |
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. | |
818ab71a | 4 | Copyright (C) 1995-2016 Free Software Foundation, Inc. |
8e38461c JM |
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 | /* Don't assume anything about the header files. */ | |
30 | #define NO_IMPLICIT_EXTERN_C | |
31 | ||
32 | #undef ASM_APP_ON | |
33 | #define ASM_APP_ON "#APP\n" | |
34 | ||
35 | #undef ASM_APP_OFF | |
36 | #define ASM_APP_OFF "#NO_APP\n" | |
37 | ||
38 | /* Provide a STARTFILE_SPEC appropriate for GNU userspace. Here we add | |
39 | the GNU userspace magical crtbegin.o file (see crtstuff.c) which | |
40 | provides part of the support for getting C++ file-scope static | |
41 | object constructed before entering `main'. */ | |
2077db1b | 42 | |
8e38461c JM |
43 | #if defined HAVE_LD_PIE |
44 | #define GNU_USER_TARGET_STARTFILE_SPEC \ | |
428b3812 L |
45 | "%{!shared: %{pg|p|profile:gcrt1.o%s;: \ |
46 | %{" PIE_SPEC ":Scrt1.o%s} %{" NO_PIE_SPEC ":crt1.o%s}}} \ | |
47 | crti.o%s %{static:crtbeginT.o%s;: %{shared:crtbeginS.o%s} \ | |
48 | %{" PIE_SPEC ":crtbeginS.o%s} \ | |
49 | %{" NO_PIE_SPEC ":crtbegin.o%s}} \ | |
2077db1b CT |
50 | %{fvtable-verify=none:%s; \ |
51 | fvtable-verify=preinit:vtv_start_preinit.o%s; \ | |
52 | fvtable-verify=std:vtv_start.o%s}" | |
8e38461c JM |
53 | #else |
54 | #define GNU_USER_TARGET_STARTFILE_SPEC \ | |
55 | "%{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}} \ | |
2077db1b CT |
56 | crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s} \ |
57 | %{fvtable-verify=none:%s; \ | |
58 | fvtable-verify=preinit:vtv_start_preinit.o%s; \ | |
59 | fvtable-verify=std:vtv_start.o%s}" | |
8e38461c JM |
60 | #endif |
61 | #undef STARTFILE_SPEC | |
62 | #define STARTFILE_SPEC GNU_USER_TARGET_STARTFILE_SPEC | |
63 | ||
64 | /* Provide a ENDFILE_SPEC appropriate for GNU userspace. Here we tack on | |
65 | the GNU userspace magical crtend.o file (see crtstuff.c) which | |
66 | provides part of the support for getting C++ file-scope static | |
67 | object constructed before entering `main', followed by a normal | |
68 | GNU userspace "finalizer" file, `crtn.o'. */ | |
69 | ||
9b552079 L |
70 | #if defined HAVE_LD_PIE |
71 | #define GNU_USER_TARGET_ENDFILE_SPEC \ | |
72 | "%{fvtable-verify=none:%s; \ | |
73 | fvtable-verify=preinit:vtv_end_preinit.o%s; \ | |
74 | fvtable-verify=std:vtv_end.o%s} \ | |
75 | %{shared:crtendS.o%s;: %{" PIE_SPEC ":crtendS.o%s} \ | |
76 | %{" NO_PIE_SPEC ":crtend.o%s}} crtn.o%s" | |
77 | #else | |
8e38461c | 78 | #define GNU_USER_TARGET_ENDFILE_SPEC \ |
2077db1b CT |
79 | "%{fvtable-verify=none:%s; \ |
80 | fvtable-verify=preinit:vtv_end_preinit.o%s; \ | |
81 | fvtable-verify=std:vtv_end.o%s} \ | |
82 | %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s" | |
9b552079 | 83 | #endif |
8e38461c JM |
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 | ||
8edb8dc8 PC |
97 | #define GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC \ |
98 | "%{shared:-lc} \ | |
8e38461c | 99 | %{!shared:%{mieee-fp:-lieee} %{profile:-lc_p}%{!profile:-lc}}" |
8edb8dc8 PC |
100 | |
101 | #define GNU_USER_TARGET_LIB_SPEC \ | |
102 | "%{pthread:-lpthread} " \ | |
103 | GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC | |
104 | ||
8e38461c JM |
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:--eh-frame-hdr} " | |
110 | #endif | |
111 | ||
112 | #undef LINK_GCC_C_SEQUENCE_SPEC | |
113 | #define LINK_GCC_C_SEQUENCE_SPEC \ | |
114 | "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}" | |
115 | ||
116 | /* Use --as-needed -lgcc_s for eh support. */ | |
117 | #ifdef HAVE_LD_AS_NEEDED | |
118 | #define USE_LD_AS_NEEDED 1 | |
119 | #endif | |
120 | ||
121 | #define TARGET_POSIX_IO | |
6c0170ea | 122 | |
d33d9e47 AI |
123 | #undef TARGET_LIBC_HAS_FUNCTION |
124 | #define TARGET_LIBC_HAS_FUNCTION gnu_libc_has_function | |
03d670c8 | 125 | |
e60e09a0 JJ |
126 | /* Link -lasan early on the command line. For -static-libasan, don't link |
127 | it for -shared link, the executable should be compiled with -static-libasan | |
026c3cfd | 128 | in that case, and for executable link with --{,no-}whole-archive around |
d30c7670 JJ |
129 | it to force everything into the executable. And similarly for -ltsan |
130 | and -llsan. */ | |
956d3b33 | 131 | #if defined(HAVE_LD_STATIC_DYNAMIC) |
e60e09a0 | 132 | #undef LIBASAN_EARLY_SPEC |
7d613735 JJ |
133 | #define LIBASAN_EARLY_SPEC "%{!shared:libasan_preinit%O%s} " \ |
134 | "%{static-libasan:%{!shared:" \ | |
e60e09a0 JJ |
135 | LD_STATIC_OPTION " --whole-archive -lasan --no-whole-archive " \ |
136 | LD_DYNAMIC_OPTION "}}%{!static-libasan:-lasan}" | |
a74db9bd | 137 | #undef LIBTSAN_EARLY_SPEC |
6384c29b | 138 | #define LIBTSAN_EARLY_SPEC "%{static-libtsan:%{!shared:" \ |
a74db9bd JJ |
139 | LD_STATIC_OPTION " --whole-archive -ltsan --no-whole-archive " \ |
140 | LD_DYNAMIC_OPTION "}}%{!static-libtsan:-ltsan}" | |
d30c7670 JJ |
141 | #undef LIBLSAN_EARLY_SPEC |
142 | #define LIBLSAN_EARLY_SPEC "%{static-liblsan:%{!shared:" \ | |
143 | LD_STATIC_OPTION " --whole-archive -llsan --no-whole-archive " \ | |
144 | LD_DYNAMIC_OPTION "}}%{!static-liblsan:-llsan}" | |
956d3b33 | 145 | #endif |