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comparison gcc/config/gnu-user.h @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents 561a7518be6b
children 84e7813d76e9
comparison
equal deleted inserted replaced
68:561a7518be6b 111:04ced10e8804
1 /* Definitions for systems using, at least optionally, a GNU 1 /* Definitions for systems using, at least optionally, a GNU
2 (glibc-based) userspace or other userspace with libc derived from 2 (glibc-based) userspace or other userspace with libc derived from
3 glibc (e.g. uClibc) or for which similar specs are appropriate. 3 glibc (e.g. uClibc) or for which similar specs are appropriate.
4 Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2003, 2004, 2005, 2006, 4 Copyright (C) 1995-2017 Free Software Foundation, Inc.
5 2007, 2009, 2010, 2011 Free Software Foundation, Inc.
6 Contributed by Eric Youngdale. 5 Contributed by Eric Youngdale.
7 Modified for stabs-in-ELF by H.J. Lu (hjl@lucon.org). 6 Modified for stabs-in-ELF by H.J. Lu (hjl@lucon.org).
8 7
9 This file is part of GCC. 8 This file is part of GCC.
10 9
34 #define ASM_APP_ON "#APP\n" 33 #define ASM_APP_ON "#APP\n"
35 34
36 #undef ASM_APP_OFF 35 #undef ASM_APP_OFF
37 #define ASM_APP_OFF "#NO_APP\n" 36 #define ASM_APP_OFF "#NO_APP\n"
38 37
38 #if ENABLE_OFFLOADING == 1
39 #define CRTOFFLOADBEGIN "%{fopenacc|fopenmp:crtoffloadbegin%O%s}"
40 #define CRTOFFLOADEND "%{fopenacc|fopenmp:crtoffloadend%O%s}"
41 #else
42 #define CRTOFFLOADBEGIN ""
43 #define CRTOFFLOADEND ""
44 #endif
45
39 /* Provide a STARTFILE_SPEC appropriate for GNU userspace. Here we add 46 /* Provide a STARTFILE_SPEC appropriate for GNU userspace. Here we add
40 the GNU userspace magical crtbegin.o file (see crtstuff.c) which 47 the GNU userspace magical crtbegin.o file (see crtstuff.c) which
41 provides part of the support for getting C++ file-scope static 48 provides part of the support for getting C++ file-scope static
42 object constructed before entering `main'. */ 49 object constructed before entering `main'. */
43 50
44 #if defined HAVE_LD_PIE 51 #if defined HAVE_LD_PIE
45 #define GNU_USER_TARGET_STARTFILE_SPEC \ 52 #define GNU_USER_TARGET_STARTFILE_SPEC \
46 "%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} \ 53 "%{shared:; \
47 crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}" 54 pg|p|profile:gcrt1.o%s; \
55 static:crt1.o%s; \
56 static-pie|" PIE_SPEC ":Scrt1.o%s; \
57 :crt1.o%s} \
58 crti.o%s \
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
48 #else 66 #else
49 #define GNU_USER_TARGET_STARTFILE_SPEC \ 67 #define GNU_USER_TARGET_STARTFILE_SPEC \
50 "%{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}} \ 68 "%{shared:; \
51 crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}" 69 pg|p|profile:gcrt1.o%s; \
70 :crt1.o%s} \
71 crti.o%s \
72 %{static:crtbeginT.o%s; \
73 shared|pie|static-pie:crtbeginS.o%s; \
74 :crtbegin.o%s} \
75 %{fvtable-verify=none:%s; \
76 fvtable-verify=preinit:vtv_start_preinit.o%s; \
77 fvtable-verify=std:vtv_start.o%s} \
78 " CRTOFFLOADBEGIN
52 #endif 79 #endif
53 #undef STARTFILE_SPEC 80 #undef STARTFILE_SPEC
54 #define STARTFILE_SPEC GNU_USER_TARGET_STARTFILE_SPEC 81 #define STARTFILE_SPEC GNU_USER_TARGET_STARTFILE_SPEC
55 82
56 /* Provide a ENDFILE_SPEC appropriate for GNU userspace. Here we tack on 83 /* Provide a ENDFILE_SPEC appropriate for GNU userspace. Here we tack on
57 the GNU userspace magical crtend.o file (see crtstuff.c) which 84 the GNU userspace magical crtend.o file (see crtstuff.c) which
58 provides part of the support for getting C++ file-scope static 85 provides part of the support for getting C++ file-scope static
59 object constructed before entering `main', followed by a normal 86 object constructed before entering `main', followed by a normal
60 GNU userspace "finalizer" file, `crtn.o'. */ 87 GNU userspace "finalizer" file, `crtn.o'. */
61 88
89 #if defined HAVE_LD_PIE
62 #define GNU_USER_TARGET_ENDFILE_SPEC \ 90 #define GNU_USER_TARGET_ENDFILE_SPEC \
63 "%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s" 91 "%{fvtable-verify=none:%s; \
92 fvtable-verify=preinit:vtv_end_preinit.o%s; \
93 fvtable-verify=std:vtv_end.o%s} \
94 %{static:crtend.o%s; \
95 shared|static-pie|" PIE_SPEC ":crtendS.o%s; \
96 :crtend.o%s} \
97 crtn.o%s \
98 " CRTOFFLOADEND
99 #else
100 #define GNU_USER_TARGET_ENDFILE_SPEC \
101 "%{fvtable-verify=none:%s; \
102 fvtable-verify=preinit:vtv_end_preinit.o%s; \
103 fvtable-verify=std:vtv_end.o%s} \
104 %{static:crtend.o%s; \
105 shared|pie|static-pie:crtendS.o%s; \
106 :crtend.o%s} \
107 crtn.o%s \
108 " CRTOFFLOADEND
109 #endif
64 #undef ENDFILE_SPEC 110 #undef ENDFILE_SPEC
65 #define ENDFILE_SPEC GNU_USER_TARGET_ENDFILE_SPEC 111 #define ENDFILE_SPEC GNU_USER_TARGET_ENDFILE_SPEC
66 112
67 /* This is for -profile to use -lc_p instead of -lc. */ 113 /* This is for -profile to use -lc_p instead of -lc. */
68 #define GNU_USER_TARGET_CC1_SPEC "%{profile:-p}" 114 #define GNU_USER_TARGET_CC1_SPEC "%{profile:-p}"
72 118
73 /* The GNU C++ standard library requires that these macros be defined. */ 119 /* The GNU C++ standard library requires that these macros be defined. */
74 #undef CPLUSPLUS_CPP_SPEC 120 #undef CPLUSPLUS_CPP_SPEC
75 #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)" 121 #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
76 122
123 #define GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC \
124 "%{shared:-lc} \
125 %{!shared:%{mieee-fp:-lieee} %{profile:-lc_p}%{!profile:-lc}}"
126
77 #define GNU_USER_TARGET_LIB_SPEC \ 127 #define GNU_USER_TARGET_LIB_SPEC \
78 "%{pthread:-lpthread} \ 128 "%{pthread:-lpthread} " \
79 %{shared:-lc} \ 129 GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC
80 %{!shared:%{mieee-fp:-lieee} %{profile:-lc_p}%{!profile:-lc}}" 130
81 #undef LIB_SPEC 131 #undef LIB_SPEC
82 #define LIB_SPEC GNU_USER_TARGET_LIB_SPEC 132 #define LIB_SPEC GNU_USER_TARGET_LIB_SPEC
83 133
84 #if defined(HAVE_LD_EH_FRAME_HDR) 134 #if defined(HAVE_LD_EH_FRAME_HDR)
85 #define LINK_EH_SPEC "%{!static:--eh-frame-hdr} " 135 #define LINK_EH_SPEC "%{!static|static-pie:--eh-frame-hdr} "
86 #endif 136 #endif
87 137
88 #undef LINK_GCC_C_SEQUENCE_SPEC 138 #undef LINK_GCC_C_SEQUENCE_SPEC
89 #define LINK_GCC_C_SEQUENCE_SPEC \ 139 #define LINK_GCC_C_SEQUENCE_SPEC \
90 "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}" 140 "%{static|static-pie:--start-group} %G %L \
141 %{static|static-pie:--end-group}%{!static:%{!static-pie:%G}}"
91 142
92 /* Use --as-needed -lgcc_s for eh support. */ 143 /* Use --as-needed -lgcc_s for eh support. */
93 #ifdef HAVE_LD_AS_NEEDED 144 #ifdef HAVE_LD_AS_NEEDED
94 #define USE_LD_AS_NEEDED 1 145 #define USE_LD_AS_NEEDED 1
95 #endif 146 #endif
96 147
97 #define TARGET_POSIX_IO 148 #define TARGET_POSIX_IO
149
150 #undef TARGET_LIBC_HAS_FUNCTION
151 #define TARGET_LIBC_HAS_FUNCTION gnu_libc_has_function
152
153 /* Link -lasan early on the command line. For -static-libasan, don't link
154 it for -shared link, the executable should be compiled with -static-libasan
155 in that case, and for executable link with --{,no-}whole-archive around
156 it to force everything into the executable. And similarly for -ltsan
157 and -llsan. */
158 #if defined(HAVE_LD_STATIC_DYNAMIC)
159 #undef LIBASAN_EARLY_SPEC
160 #define LIBASAN_EARLY_SPEC "%{!shared:libasan_preinit%O%s} " \
161 "%{static-libasan:%{!shared:" \
162 LD_STATIC_OPTION " --whole-archive -lasan --no-whole-archive " \
163 LD_DYNAMIC_OPTION "}}%{!static-libasan:-lasan}"
164 #undef LIBTSAN_EARLY_SPEC
165 #define LIBTSAN_EARLY_SPEC "%{!shared:libtsan_preinit%O%s} " \
166 "%{static-libtsan:%{!shared:" \
167 LD_STATIC_OPTION " --whole-archive -ltsan --no-whole-archive " \
168 LD_DYNAMIC_OPTION "}}%{!static-libtsan:-ltsan}"
169 #undef LIBLSAN_EARLY_SPEC
170 #define LIBLSAN_EARLY_SPEC "%{!shared:liblsan_preinit%O%s} " \
171 "%{static-liblsan:%{!shared:" \
172 LD_STATIC_OPTION " --whole-archive -llsan --no-whole-archive " \
173 LD_DYNAMIC_OPTION "}}%{!static-liblsan:-llsan}"
174 #endif