|
0
|
1 /* Definitions for SPARC running Linux-based GNU systems with ELF.
|
|
|
2 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2002, 2003, 2004, 2005, 2006,
|
|
|
3 2007, 2008, 2009 Free Software Foundation, Inc.
|
|
|
4 Contributed by Eddie C. Dost (ecd@skynet.be)
|
|
|
5
|
|
|
6 This file is part of GCC.
|
|
|
7
|
|
|
8 GCC is free software; you can redistribute it and/or modify
|
|
|
9 it under the terms of the GNU General Public License as published by
|
|
|
10 the Free Software Foundation; either version 3, or (at your option)
|
|
|
11 any later version.
|
|
|
12
|
|
|
13 GCC is distributed in the hope that it will be useful,
|
|
|
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
16 GNU General Public License for more details.
|
|
|
17
|
|
|
18 You should have received a copy of the GNU General Public License
|
|
|
19 along with GCC; see the file COPYING3. If not see
|
|
|
20 <http://www.gnu.org/licenses/>. */
|
|
|
21
|
|
|
22 #define TARGET_OS_CPP_BUILTINS() \
|
|
|
23 do \
|
|
|
24 { \
|
|
|
25 LINUX_TARGET_OS_CPP_BUILTINS(); \
|
|
|
26 if (TARGET_LONG_DOUBLE_128) \
|
|
|
27 builtin_define ("__LONG_DOUBLE_128__"); \
|
|
|
28 } \
|
|
|
29 while (0)
|
|
|
30
|
|
|
31 /* Provide a ENDFILE_SPEC appropriate for GNU/Linux. Here we tack on
|
|
|
32 the GNU/Linux magical crtend.o file (see crtstuff.c) which
|
|
|
33 provides part of the support for getting C++ file-scope static
|
|
|
34 object constructed before entering `main', followed by a normal
|
|
|
35 GNU/Linux "finalizer" file, `crtn.o'. */
|
|
|
36
|
|
|
37 #undef ENDFILE_SPEC
|
|
|
38 #define ENDFILE_SPEC \
|
|
|
39 "%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s\
|
|
|
40 %{ffast-math|funsafe-math-optimizations:crtfastmath.o%s}"
|
|
|
41
|
|
|
42 /* This is for -profile to use -lc_p instead of -lc. */
|
|
|
43 #undef CC1_SPEC
|
|
|
44 #define CC1_SPEC "%{profile:-p} \
|
|
|
45 %{sun4:} %{target:} \
|
|
|
46 %{mcypress:-mcpu=cypress} \
|
|
|
47 %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
|
|
|
48 %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
|
|
|
49 "
|
|
|
50
|
|
|
51 #undef TARGET_VERSION
|
|
|
52 #define TARGET_VERSION fprintf (stderr, " (sparc GNU/Linux with ELF)");
|
|
|
53
|
|
|
54 #undef SIZE_TYPE
|
|
|
55 #define SIZE_TYPE "unsigned int"
|
|
|
56
|
|
|
57 #undef PTRDIFF_TYPE
|
|
|
58 #define PTRDIFF_TYPE "int"
|
|
|
59
|
|
|
60 #undef WCHAR_TYPE
|
|
|
61 #define WCHAR_TYPE "int"
|
|
|
62
|
|
|
63 #undef WCHAR_TYPE_SIZE
|
|
|
64 #define WCHAR_TYPE_SIZE 32
|
|
|
65
|
|
|
66 #undef CPP_SUBTARGET_SPEC
|
|
|
67 #define CPP_SUBTARGET_SPEC \
|
|
|
68 "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
|
|
|
69
|
|
|
70 /* Provide a LINK_SPEC appropriate for GNU/Linux. Here we provide support
|
|
|
71 for the special GCC options -static and -shared, which allow us to
|
|
|
72 link things in one of these three modes by applying the appropriate
|
|
|
73 combinations of options at link-time. We like to support here for
|
|
|
74 as many of the other GNU linker options as possible. But I don't
|
|
|
75 have the time to search for those flags. I am sure how to add
|
|
|
76 support for -soname shared_object_name. H.J.
|
|
|
77
|
|
|
78 I took out %{v:%{!V:-V}}. It is too much :-(. They can use
|
|
|
79 -Wl,-V.
|
|
|
80
|
|
|
81 When the -shared link option is used a final link is not being
|
|
|
82 done. */
|
|
|
83
|
|
|
84 /* If ELF is the default format, we should not use /lib/elf. */
|
|
|
85
|
|
|
86 #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
|
|
|
87
|
|
|
88 #undef LINK_SPEC
|
|
|
89 #define LINK_SPEC "-m elf32_sparc -Y P,/usr/lib %{shared:-shared} \
|
|
|
90 %{!mno-relax:%{!r:-relax}} \
|
|
|
91 %{!shared: \
|
|
|
92 %{!ibcs: \
|
|
|
93 %{!static: \
|
|
|
94 %{rdynamic:-export-dynamic} \
|
|
|
95 %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "}} \
|
|
|
96 %{static:-static}}}"
|
|
|
97
|
|
|
98 /* The sun bundled assembler doesn't accept -Yd, (and neither does gas).
|
|
|
99 It's safe to pass -s always, even if -g is not used. */
|
|
|
100 #undef ASM_SPEC
|
|
|
101 #define ASM_SPEC \
|
|
|
102 "%{V} %{v:%{!V:-V}} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \
|
|
|
103 %{fpic|fPIC|fpie|fPIE:-K PIC} %(asm_cpu) %(asm_relax)"
|
|
|
104
|
|
|
105 #undef ASM_OUTPUT_ALIGNED_LOCAL
|
|
|
106 #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
|
|
|
107 do { \
|
|
|
108 fputs ("\t.local\t", (FILE)); \
|
|
|
109 assemble_name ((FILE), (NAME)); \
|
|
|
110 putc ('\n', (FILE)); \
|
|
|
111 ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \
|
|
|
112 } while (0)
|
|
|
113
|
|
|
114 #undef COMMON_ASM_OP
|
|
|
115 #define COMMON_ASM_OP "\t.common\t"
|
|
|
116
|
|
|
117 #undef LOCAL_LABEL_PREFIX
|
|
|
118 #define LOCAL_LABEL_PREFIX "."
|
|
|
119
|
|
|
120 /* This is how to store into the string LABEL
|
|
|
121 the symbol_ref name of an internal numbered label where
|
|
|
122 PREFIX is the class of label and NUM is the number within the class.
|
|
|
123 This is suitable for output with `assemble_name'. */
|
|
|
124
|
|
|
125 #undef ASM_GENERATE_INTERNAL_LABEL
|
|
|
126 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
|
|
|
127 sprintf (LABEL, "*.L%s%ld", PREFIX, (long)(NUM))
|
|
|
128
|
|
|
129
|
|
|
130 /* Define for support of TFmode long double.
|
|
|
131 SPARC ABI says that long double is 4 words. */
|
|
|
132 #define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
|
|
|
133
|
|
|
134 /* Define this to set long double type size to use in libgcc2.c, which can
|
|
|
135 not depend on target_flags. */
|
|
|
136 #ifdef __LONG_DOUBLE_128__
|
|
|
137 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
|
|
|
138 #else
|
|
|
139 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
|
|
|
140 #endif
|
|
|
141
|
|
|
142 #undef DITF_CONVERSION_LIBFUNCS
|
|
|
143 #define DITF_CONVERSION_LIBFUNCS 1
|
|
|
144
|
|
|
145 #ifdef HAVE_AS_TLS
|
|
|
146 #undef TARGET_SUN_TLS
|
|
|
147 #undef TARGET_GNU_TLS
|
|
|
148 #define TARGET_SUN_TLS 0
|
|
|
149 #define TARGET_GNU_TLS 1
|
|
|
150 #endif
|
|
|
151
|
|
|
152 /* We use GNU ld so undefine this so that attribute((init_priority)) works. */
|
|
|
153 #undef CTORS_SECTION_ASM_OP
|
|
|
154 #undef DTORS_SECTION_ASM_OP
|
|
|
155
|
|
|
156 #define MD_UNWIND_SUPPORT "config/sparc/linux-unwind.h"
|
|
|
157
|
|
|
158 /* Linux currently uses RMO in uniprocessor mode, which is equivalent to
|
|
|
159 TMO, and TMO in multiprocessor mode. But they reserve the right to
|
|
|
160 change their minds. */
|
|
|
161 #undef SPARC_RELAXED_ORDERING
|
|
|
162 #define SPARC_RELAXED_ORDERING true
|
|
|
163
|
|
|
164 #undef NEED_INDICATE_EXEC_STACK
|
|
|
165 #define NEED_INDICATE_EXEC_STACK 1
|
|
|
166
|
|
|
167 #ifdef TARGET_LIBC_PROVIDES_SSP
|
|
|
168 /* sparc glibc provides __stack_chk_guard in [%g7 + 0x14]. */
|
|
|
169 #define TARGET_THREAD_SSP_OFFSET 0x14
|
|
|
170 #endif
|
|
|
171
|
|
|
172 /* Define if long doubles should be mangled as 'g'. */
|
|
|
173 #define TARGET_ALTERNATE_LONG_DOUBLE_MANGLING
|
|
|
174
|
|
|
175 /* We use glibc _mcount for profiling. */
|
|
|
176 #undef NO_PROFILE_COUNTERS
|
|
|
177 #define NO_PROFILE_COUNTERS 1
|
