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comparison gcc/config/sparc/netbsd-elf.h @ 0:a06113de4d67

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author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
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children f6334be47118
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-1:000000000000 0:a06113de4d67
1 /* Definitions of target machine for GCC, for ELF on NetBSD/sparc
2 and NetBSD/sparc64.
3 Copyright (C) 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
4 Contributed by Matthew Green (mrg@eterna.com.au).
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 NETBSD_OS_CPP_BUILTINS_ELF(); \
26 if (TARGET_ARCH64) \
27 { \
28 builtin_define ("__sparc64__"); \
29 builtin_define ("__sparc_v9__"); \
30 builtin_define ("__sparcv9"); \
31 } \
32 else \
33 builtin_define ("__sparc"); \
34 builtin_define ("__sparc__"); \
35 } \
36 while (0)
37
38 /* Make sure these are undefined. */
39 #undef MD_EXEC_PREFIX
40 #undef MD_STARTFILE_PREFIX
41
42 /* CPP defines used by all NetBSD targets. */
43 #undef CPP_SUBTARGET_SPEC
44 #define CPP_SUBTARGET_SPEC "%(netbsd_cpp_spec)"
45
46 /* SIZE_TYPE and PTRDIFF_TYPE are wrong from sparc/sparc.h. */
47 #undef SIZE_TYPE
48 #define SIZE_TYPE "long unsigned int"
49
50 #undef PTRDIFF_TYPE
51 #define PTRDIFF_TYPE "long int"
52
53 /* This is the char to use for continuation (in case we need to turn
54 continuation back on). */
55 #undef DBX_CONTIN_CHAR
56 #define DBX_CONTIN_CHAR '?'
57
58 #undef LOCAL_LABEL_PREFIX
59 #define LOCAL_LABEL_PREFIX "."
60
61 /* This is how to store into the string LABEL
62 the symbol_ref name of an internal numbered label where
63 PREFIX is the class of label and NUM is the number within the class.
64 This is suitable for output with `assemble_name'. */
65
66 #undef ASM_GENERATE_INTERNAL_LABEL
67 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
68 sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM))
69
70 #undef USER_LABEL_PREFIX
71 #define USER_LABEL_PREFIX ""
72
73 #undef ASM_SPEC
74 #define ASM_SPEC "%{fpic|fPIC|fpie|fPIE:-K PIC} %{V} %{v:%{!V:-V}} \
75 %{mlittle-endian:-EL} \
76 %(asm_cpu) %(asm_arch) %(asm_relax)"
77
78 #undef STDC_0_IN_SYSTEM_HEADERS
79
80 /* Attempt to enable execute permissions on the stack. */
81 #define ENABLE_EXECUTE_STACK NETBSD_ENABLE_EXECUTE_STACK
82
83 #undef TARGET_VERSION
84 #define TARGET_VERSION fprintf (stderr, " (%s)", TARGET_NAME);
85
86 /* Below here exists the merged NetBSD/sparc & NetBSD/sparc64 compiler
87 description, allowing one to build 32-bit or 64-bit applications
88 on either. We define the sparc & sparc64 versions of things,
89 occasionally a neutral version (should be the same as "netbsd-elf.h")
90 and then based on SPARC_BI_ARCH, DEFAULT_ARCH32_P, and TARGET_CPU_DEFAULT,
91 we choose the correct version. */
92
93 /* We use the default NetBSD ELF STARTFILE_SPEC and ENDFILE_SPEC
94 definitions, even for the SPARC_BI_ARCH compiler, because NetBSD does
95 not have a default place to find these libraries.. */
96
97 /* Name the port(s). */
98 #define TARGET_NAME64 "NetBSD/sparc64 ELF"
99 #define TARGET_NAME32 "NetBSD/sparc ELF"
100
101 /* TARGET_CPU_DEFAULT is set in Makefile.in. We test for 64-bit default
102 platform here. */
103
104 #if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
105 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
106 /* A 64 bit v9 compiler with stack-bias,
107 in a Medium/Low code model environment. */
108
109 #undef TARGET_DEFAULT
110 #define TARGET_DEFAULT \
111 (MASK_V9 + MASK_PTR64 + MASK_64BIT /* + MASK_HARD_QUAD */ \
112 + MASK_STACK_BIAS + MASK_APP_REGS + MASK_FPU + MASK_LONG_DOUBLE_128)
113
114 #undef SPARC_DEFAULT_CMODEL
115 #define SPARC_DEFAULT_CMODEL CM_MEDANY
116
117 #endif
118
119 /* CC1_SPEC for NetBSD/sparc. */
120 #define CC1_SPEC32 \
121 "%{sun4:} %{target:} \
122 %{mcypress:-mcpu=cypress} \
123 %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
124 %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
125 %{m32:%{m64:%emay not use both -m32 and -m64}} \
126 %{m64: \
127 -mptr64 -mstack-bias -mno-v8plus -mlong-double-128 \
128 %{!mcpu*: \
129 %{!mcypress: \
130 %{!msparclite: \
131 %{!mf930: \
132 %{!mf934: \
133 %{!mv8*: \
134 %{!msupersparc:-mcpu=ultrasparc}}}}}}} \
135 %{!mno-vis:%{!mcpu=v9:-mvis}} \
136 %{p:-mcmodel=medlow} \
137 %{pg:-mcmodel=medlow}}"
138
139 #define CC1_SPEC64 \
140 "%{sun4:} %{target:} \
141 %{mcypress:-mcpu=cypress} \
142 %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
143 %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
144 %{m32:%{m64:%emay not use both -m32 and -m64}} \
145 %{m32: \
146 -mptr32 -mno-stack-bias \
147 %{!mlong-double-128:-mlong-double-64} \
148 %{!mcpu*: \
149 %{!mcypress: \
150 %{!msparclite: \
151 %{!mf930: \
152 %{!mf934: \
153 %{!mv8*: \
154 %{!msupersparc:-mcpu=cypress}}}}}}}} \
155 %{!m32: \
156 %{p:-mcmodel=medlow} \
157 %{pg:-mcmodel=medlow}}"
158
159 /* Make sure we use the right output format. Pick a default and then
160 make sure -m32/-m64 switch to the right one. */
161
162 #define LINK_ARCH32_SPEC "-m elf32_sparc"
163
164 #define LINK_ARCH64_SPEC "-m elf64_sparc"
165
166 #define LINK_ARCH_SPEC \
167 "%{m32:%(link_arch32)} \
168 %{m64:%(link_arch64)} \
169 %{!m32:%{!m64:%(link_arch_default)}}"
170
171 #undef LINK_SPEC
172 #define LINK_SPEC \
173 "%(link_arch) \
174 %{!mno-relax:%{!r:-relax}} \
175 %(netbsd_link_spec)"
176
177 #define NETBSD_ENTRY_POINT "__start"
178
179 #if DEFAULT_ARCH32_P
180 #define LINK_ARCH_DEFAULT_SPEC LINK_ARCH32_SPEC
181 #else
182 #define LINK_ARCH_DEFAULT_SPEC LINK_ARCH64_SPEC
183 #endif
184
185 /* What extra spec entries do we need? */
186 #undef SUBTARGET_EXTRA_SPECS
187 #define SUBTARGET_EXTRA_SPECS \
188 { "link_arch32", LINK_ARCH32_SPEC }, \
189 { "link_arch64", LINK_ARCH64_SPEC }, \
190 { "link_arch_default", LINK_ARCH_DEFAULT_SPEC }, \
191 { "link_arch", LINK_ARCH_SPEC }, \
192 { "netbsd_cpp_spec", NETBSD_CPP_SPEC }, \
193 { "netbsd_link_spec", NETBSD_LINK_SPEC_ELF }, \
194 { "netbsd_entry_point", NETBSD_ENTRY_POINT },
195
196
197 /* Build a compiler that supports -m32 and -m64? */
198
199 #ifdef SPARC_BI_ARCH
200
201 #undef LONG_DOUBLE_TYPE_SIZE
202 #define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
203
204 #if defined(__arch64__) || defined(__LONG_DOUBLE_128__)
205 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
206 #else
207 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
208 #endif
209
210 #undef CC1_SPEC
211 #if DEFAULT_ARCH32_P
212 #define CC1_SPEC CC1_SPEC32
213 #else
214 #define CC1_SPEC CC1_SPEC64
215 #endif
216
217 #if DEFAULT_ARCH32_P
218 #define MULTILIB_DEFAULTS { "m32" }
219 #else
220 #define MULTILIB_DEFAULTS { "m64" }
221 #endif
222
223 /* Name the port. */
224 #undef TARGET_NAME
225 #define TARGET_NAME (DEFAULT_ARCH32_P ? TARGET_NAME32 : TARGET_NAME64)
226
227 #else /* SPARC_BI_ARCH */
228
229 #if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
230 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
231
232 #undef LONG_DOUBLE_TYPE_SIZE
233 #define LONG_DOUBLE_TYPE_SIZE 128
234
235 #undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
236 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
237
238 #undef CC1_SPEC
239 #define CC1_SPEC CC1_SPEC64
240
241 #undef TARGET_NAME
242 #define TARGET_NAME TARGET_NAME64
243
244 #else /* TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
245 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc */
246
247 /* A 32-bit only compiler. NetBSD don't support 128 bit `long double'
248 for 32-bit code, unlike Solaris. */
249
250 #undef LONG_DOUBLE_TYPE_SIZE
251 #define LONG_DOUBLE_TYPE_SIZE 64
252
253 #undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
254 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
255
256 #undef CC1_SPEC
257 #define CC1_SPEC CC1_SPEC32
258
259 #undef TARGET_NAME
260 #define TARGET_NAME TARGET_NAME32
261
262 #endif /* TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
263 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc */
264
265 #endif /* SPARC_BI_ARCH */
266
267 /* We use GNU ld so undefine this so that attribute((init_priority)) works. */
268 #undef CTORS_SECTION_ASM_OP
269 #undef DTORS_SECTION_ASM_OP