6c26163b2238284b08ffccfee4127461cebec053
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) 1995-2013 Free Software Foundation, Inc.
5 Contributed by Eric Youngdale.
6 Modified for stabs-in-ELF by H.J. Lu (hjl@lucon.org).
8 This file is part of GCC.
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)
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.
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.
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/>. */
29 /* Don't assume anything about the header files. */
30 #define NO_IMPLICIT_EXTERN_C
33 #define ASM_APP_ON "#APP\n"
36 #define ASM_APP_OFF "#NO_APP\n"
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'. */
43 #if defined HAVE_LD_PIE
44 #define GNU_USER_TARGET_STARTFILE_SPEC \
45 "%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} \
46 crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
48 #define GNU_USER_TARGET_STARTFILE_SPEC \
49 "%{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}} \
50 crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
53 #define STARTFILE_SPEC GNU_USER_TARGET_STARTFILE_SPEC
55 /* Provide a ENDFILE_SPEC appropriate for GNU userspace. Here we tack on
56 the GNU userspace magical crtend.o file (see crtstuff.c) which
57 provides part of the support for getting C++ file-scope static
58 object constructed before entering `main', followed by a normal
59 GNU userspace "finalizer" file, `crtn.o'. */
61 #define GNU_USER_TARGET_ENDFILE_SPEC \
62 "%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
64 #define ENDFILE_SPEC GNU_USER_TARGET_ENDFILE_SPEC
66 /* This is for -profile to use -lc_p instead of -lc. */
67 #define GNU_USER_TARGET_CC1_SPEC "%{profile:-p}"
69 #define CC1_SPEC GNU_USER_TARGET_CC1_SPEC
72 /* The GNU C++ standard library requires that these macros be defined. */
73 #undef CPLUSPLUS_CPP_SPEC
74 #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
76 #define GNU_USER_TARGET_LIB_SPEC \
77 "%{pthread:-lpthread} \
79 %{!shared:%{mieee-fp:-lieee} %{profile:-lc_p}%{!profile:-lc}}"
81 #define LIB_SPEC GNU_USER_TARGET_LIB_SPEC
83 #if defined(HAVE_LD_EH_FRAME_HDR)
84 #define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
87 #undef LINK_GCC_C_SEQUENCE_SPEC
88 #define LINK_GCC_C_SEQUENCE_SPEC \
89 "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"
91 /* Use --as-needed -lgcc_s for eh support. */
92 #ifdef HAVE_LD_AS_NEEDED
93 #define USE_LD_AS_NEEDED 1
96 #define TARGET_POSIX_IO
98 #define TARGET_C99_FUNCTIONS 1
99 #define TARGET_HAS_SINCOS 1
101 /* Link -lasan early on the command line. For -static-libasan, don't link
102 it for -shared link, the executable should be compiled with -static-libasan
103 in that case, and for executable link link with --{,no-}whole-archive around
104 it to force everything into the executable. And similarly for -ltsan. */
105 #if defined(HAVE_LD_STATIC_DYNAMIC)
106 #undef LIBASAN_EARLY_SPEC
107 #define LIBASAN_EARLY_SPEC "%{!shared:libasan_preinit%O%s} " \
108 "%{static-libasan:%{!shared:" \
109 LD_STATIC_OPTION " --whole-archive -lasan --no-whole-archive " \
110 LD_DYNAMIC_OPTION "}}%{!static-libasan:-lasan}"
111 #undef LIBTSAN_EARLY_SPEC
112 #define LIBTSAN_EARLY_SPEC "%{!shared:libasan_preinit%O%s} " \
113 "%{static-libtsan:%{!shared:" \
114 LD_STATIC_OPTION " --whole-archive -ltsan --no-whole-archive " \
115 LD_DYNAMIC_OPTION "}}%{!static-libtsan:-ltsan}"
118 /* Additional libraries needed by -static-libasan. */
119 #undef STATIC_LIBASAN_LIBS
120 #define STATIC_LIBASAN_LIBS "-ldl -lpthread"
122 /* Additional libraries needed by -static-libtsan. */
123 #undef STATIC_LIBTSAN_LIBS
124 #define STATIC_LIBTSAN_LIBS "-ldl -lpthread"