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956d6950 | 1 | /* Definitions for 64-bit SPARC running Linux-based GNU systems with ELF. |
7adcbafe | 2 | Copyright (C) 1996-2022 Free Software Foundation, Inc. |
bfe87013 DE |
3 | Contributed by David S. Miller (davem@caip.rutgers.edu) |
4 | ||
de0a398e | 5 | This file is part of GCC. |
bfe87013 | 6 | |
de0a398e | 7 | GCC is free software; you can redistribute it and/or modify |
bfe87013 | 8 | it under the terms of the GNU General Public License as published by |
2f83c7d6 | 9 | the Free Software Foundation; either version 3, or (at your option) |
bfe87013 DE |
10 | any later version. |
11 | ||
de0a398e | 12 | GCC is distributed in the hope that it will be useful, |
bfe87013 DE |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
2f83c7d6 NC |
18 | along with GCC; see the file COPYING3. If not see |
19 | <http://www.gnu.org/licenses/>. */ | |
bfe87013 | 20 | |
5f7ca34b DM |
21 | #define TARGET_OS_CPP_BUILTINS() \ |
22 | do \ | |
23 | { \ | |
107fd1c1 | 24 | GNU_USER_TARGET_OS_CPP_BUILTINS(); \ |
5f7ca34b DM |
25 | if (TARGET_ARCH64) \ |
26 | builtin_define ("_LONGLONG"); \ | |
27 | if (TARGET_ARCH32 \ | |
28 | && TARGET_LONG_DOUBLE_128) \ | |
29 | builtin_define ("__LONG_DOUBLE_128__"); \ | |
30 | } \ | |
9b8466f4 NB |
31 | while (0) |
32 | ||
034e3eb0 EB |
33 | /* On Linux, the combination sparc64-* --with-cpu=v8 is supported and |
34 | selects a 32-bit compiler. */ | |
35 | #if defined(TARGET_64BIT_DEFAULT) && TARGET_CPU_DEFAULT >= TARGET_CPU_v9 | |
345a6161 DM |
36 | #undef TARGET_DEFAULT |
37 | #define TARGET_DEFAULT \ | |
4f4f4f54 DM |
38 | (MASK_V9 + MASK_PTR64 + MASK_64BIT + MASK_STACK_BIAS + \ |
39 | MASK_APP_REGS + MASK_FPU + MASK_LONG_DOUBLE_128) | |
345a6161 DM |
40 | #endif |
41 | ||
5f7ca34b DM |
42 | /* This must be v9a not just v9 because by default we enable |
43 | -mvis. */ | |
44 | #undef ASM_CPU64_DEFAULT_SPEC | |
45 | #define ASM_CPU64_DEFAULT_SPEC "-Av9a" | |
bfe87013 | 46 | |
5f7ca34b | 47 | #undef ENDFILE_SPEC |
5bbcd587 | 48 | #define ENDFILE_SPEC \ |
87891d5e ST |
49 | GNU_USER_TARGET_ENDFILE_SPEC \ |
50 | "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s}" | |
345a6161 | 51 | |
a0a301fc DE |
52 | /* The default code model. */ |
53 | #undef SPARC_DEFAULT_CMODEL | |
be3f1ff5 | 54 | #define SPARC_DEFAULT_CMODEL CM_MEDLOW |
bfe87013 | 55 | |
bfe87013 | 56 | #undef WCHAR_TYPE |
247cfc5c JJ |
57 | #define WCHAR_TYPE "int" |
58 | ||
bfe87013 | 59 | #undef WCHAR_TYPE_SIZE |
247cfc5c JJ |
60 | #define WCHAR_TYPE_SIZE 32 |
61 | ||
ba31d94e | 62 | /* Define for support of TFmode long double. |
56149abc | 63 | SPARC ABI says that long double is 4 words. */ |
a0a301fc | 64 | #undef LONG_DOUBLE_TYPE_SIZE |
4710d3eb JJ |
65 | #define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64) |
66 | ||
a0a301fc DE |
67 | #undef CPP_SUBTARGET_SPEC |
68 | #define CPP_SUBTARGET_SPEC "\ | |
bfe87013 | 69 | %{posix:-D_POSIX_SOURCE} \ |
afc96791 | 70 | %{pthread:-D_REENTRANT} \ |
bfe87013 | 71 | " |
afc96791 | 72 | |
956d6950 | 73 | /* Provide a LINK_SPEC appropriate for GNU/Linux. Here we provide support |
bfe87013 DE |
74 | for the special GCC options -static and -shared, which allow us to |
75 | link things in one of these three modes by applying the appropriate | |
83c2a9ef | 76 | combinations of options at link-time. |
bfe87013 DE |
77 | |
78 | When the -shared link option is used a final link is not being | |
79 | done. */ | |
80 | ||
7bd85ce0 JM |
81 | #define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2" |
82 | #define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux.so.2" | |
7bd85ce0 | 83 | |
345a6161 DM |
84 | #ifdef SPARC_BI_ARCH |
85 | ||
86 | #undef SUBTARGET_EXTRA_SPECS | |
87 | #define SUBTARGET_EXTRA_SPECS \ | |
88 | { "link_arch32", LINK_ARCH32_SPEC }, \ | |
89 | { "link_arch64", LINK_ARCH64_SPEC }, \ | |
90 | { "link_arch_default", LINK_ARCH_DEFAULT_SPEC }, \ | |
91 | { "link_arch", LINK_ARCH_SPEC }, | |
7bd85ce0 | 92 | |
36e0c0a5 | 93 | #define LINK_ARCH32_SPEC "-m elf32_sparc %{shared:-shared} \ |
345a6161 | 94 | %{!shared: \ |
dabadc52 JM |
95 | %{!static: \ |
96 | %{rdynamic:-export-dynamic} \ | |
107fd1c1 | 97 | -dynamic-linker " GNU_USER_DYNAMIC_LINKER32 "} \ |
dabadc52 | 98 | %{static:-static}} \ |
345a6161 DM |
99 | " |
100 | ||
36e0c0a5 | 101 | #define LINK_ARCH64_SPEC "-m elf64_sparc %{shared:-shared} \ |
345a6161 | 102 | %{!shared: \ |
dabadc52 JM |
103 | %{!static: \ |
104 | %{rdynamic:-export-dynamic} \ | |
107fd1c1 | 105 | -dynamic-linker " GNU_USER_DYNAMIC_LINKER64 "} \ |
dabadc52 | 106 | %{static:-static}} \ |
345a6161 DM |
107 | " |
108 | ||
109 | #define LINK_ARCH_SPEC "\ | |
110 | %{m32:%(link_arch32)} \ | |
111 | %{m64:%(link_arch64)} \ | |
112 | %{!m32:%{!m64:%(link_arch_default)}} \ | |
113 | " | |
114 | ||
115 | #define LINK_ARCH_DEFAULT_SPEC \ | |
116 | (DEFAULT_ARCH32_P ? LINK_ARCH32_SPEC : LINK_ARCH64_SPEC) | |
117 | ||
bfe87013 | 118 | #undef LINK_SPEC |
345a6161 DM |
119 | #define LINK_SPEC "\ |
120 | %(link_arch) \ | |
e95b1e6a | 121 | %{!mno-relax:%{!r:-relax}} \ |
345a6161 DM |
122 | " |
123 | ||
0913b2d6 DM |
124 | /* -mcpu=native handling only makes sense with compiler running on |
125 | a SPARC chip. */ | |
a0bd60d1 | 126 | #if defined(__sparc__) && defined(__linux__) |
0913b2d6 DM |
127 | extern const char *host_detect_local_cpu (int argc, const char **argv); |
128 | # define EXTRA_SPEC_FUNCTIONS \ | |
129 | { "local_cpu_detect", host_detect_local_cpu }, | |
130 | ||
131 | # define MCPU_MTUNE_NATIVE_SPECS \ | |
132 | " %{mcpu=native:%<mcpu=native %:local_cpu_detect(cpu)}" \ | |
133 | " %{mtune=native:%<mtune=native %:local_cpu_detect(tune)}" | |
134 | #else | |
135 | # define MCPU_MTUNE_NATIVE_SPECS "" | |
136 | #endif | |
137 | ||
138 | #define DRIVER_SELF_SPECS MCPU_MTUNE_NATIVE_SPECS | |
139 | ||
381a3c75 EB |
140 | /* -fsanitize=address is currently only supported for 32-bit. */ |
141 | #define ASAN_REJECT_SPEC \ | |
142 | "%{!%:sanitize(thread):%e-fsanitize=address is not supported in this configuration}" | |
143 | ||
34c5627c | 144 | #undef ASAN_CC1_SPEC |
381a3c75 EB |
145 | #if DEFAULT_ARCH32_P |
146 | #define ASAN_CC1_SPEC \ | |
147 | "%{%:sanitize(address):-funwind-tables %{m64:" ASAN_REJECT_SPEC "}}" | |
148 | #else | |
149 | #define ASAN_CC1_SPEC \ | |
150 | "%{%:sanitize(address):-funwind-tables %{!m32:" ASAN_REJECT_SPEC "}}" | |
151 | #endif | |
34c5627c EB |
152 | |
153 | #undef CC1_SPEC | |
345a6161 | 154 | #if DEFAULT_ARCH32_P |
34c5627c EB |
155 | #define CC1_SPEC GNU_USER_TARGET_CC1_SPEC ASAN_CC1_SPEC \ |
156 | "%{m32:%{m64:%emay not use both -m32 and -m64}} \ | |
4710d3eb | 157 | %{m64:-mptr64 -mstack-bias -mlong-double-128 \ |
3a7b4385 | 158 | %{!mcpu*:-mcpu=ultrasparc} \ |
34c5627c | 159 | %{!mno-vis:%{!mcpu=v9:-mvis}}}" |
345a6161 | 160 | #else |
34c5627c EB |
161 | #define CC1_SPEC GNU_USER_TARGET_CC1_SPEC ASAN_CC1_SPEC \ |
162 | "%{m32:%{m64:%emay not use both -m32 and -m64}} \ | |
4710d3eb | 163 | %{m32:-mptr32 -mno-stack-bias %{!mlong-double-128:-mlong-double-64} \ |
3a7b4385 | 164 | %{!mcpu*:-mcpu=cypress}} \ |
d377a5fb DM |
165 | %{mv8plus:-mptr32 -mno-stack-bias %{!mlong-double-128:-mlong-double-64} \ |
166 | %{!mcpu*:-mcpu=v9}} \ | |
9ce13279 | 167 | %{!m32:%{!mcpu*:-mcpu=ultrasparc}} \ |
34c5627c | 168 | %{!mno-vis:%{!m32:%{!mcpu=v9:-mvis}}}" |
345a6161 DM |
169 | #endif |
170 | ||
942e0f44 | 171 | /* Support for a compile-time default CPU, et cetera. The rules are: |
31177ef2 JM |
172 | --with-cpu is ignored if -mcpu is specified; likewise --with-cpu-32 |
173 | and --with-cpu-64. | |
174 | --with-tune is ignored if -mtune is specified; likewise --with-tune-32 | |
175 | and --with-tune-64. | |
942e0f44 JJ |
176 | --with-float is ignored if -mhard-float, -msoft-float, -mfpu, or -mno-fpu |
177 | are specified. | |
178 | In the SPARC_BI_ARCH compiler we cannot pass %{!mcpu=*:-mcpu=%(VALUE)} | |
179 | here, otherwise say -mcpu=v7 would be passed even when -m64. | |
31177ef2 JM |
180 | CC1_SPEC above takes care of this instead. |
181 | ||
182 | Note that the order of the cpu* and tune* options matters: the | |
183 | config.gcc file always sets with_cpu to some value, even if the | |
184 | user didn't use --with-cpu when invoking the configure script. | |
185 | This value is based on the target name. Therefore we have to make | |
186 | sure that --with-cpu-32 takes precedence to --with-cpu in < v9 | |
187 | systems, and that --with-cpu-64 takes precedence to --with-cpu in | |
188 | >= v9 systems. As for the tune* options, in some platforms | |
189 | config.gcc also sets a default value for it if the user didn't use | |
190 | --with-tune when invoking the configure script. */ | |
942e0f44 JJ |
191 | #undef OPTION_DEFAULT_SPECS |
192 | #if DEFAULT_ARCH32_P | |
193 | #define OPTION_DEFAULT_SPECS \ | |
31177ef2 JM |
194 | {"cpu_32", "%{!m64:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \ |
195 | {"cpu_64", "%{m64:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \ | |
942e0f44 | 196 | {"cpu", "%{!m64:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \ |
31177ef2 JM |
197 | {"tune_32", "%{!m64:%{!mtune=*:-mtune=%(VALUE)}}" }, \ |
198 | {"tune_64", "%{m64:%{!mtune=*:-mtune=%(VALUE)}}" }, \ | |
942e0f44 | 199 | {"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \ |
c6869789 | 200 | {"float", "%{!msoft-float:%{!mhard-float:%{!mfpu:%{!mno-fpu:-m%(VALUE)-float}}}}" } |
942e0f44 JJ |
201 | #else |
202 | #define OPTION_DEFAULT_SPECS \ | |
31177ef2 JM |
203 | {"cpu_32", "%{m32:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \ |
204 | {"cpu_64", "%{!m32:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \ | |
942e0f44 | 205 | {"cpu", "%{!m32:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \ |
31177ef2 JM |
206 | {"tune_32", "%{m32:%{!mtune=*:-mtune=%(VALUE)}}" }, \ |
207 | {"tune_64", "%{!m32:%{!mtune=*:-mtune=%(VALUE)}}" }, \ | |
942e0f44 | 208 | {"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \ |
c6869789 | 209 | {"float", "%{!msoft-float:%{!mhard-float:%{!mfpu:%{!mno-fpu:-m%(VALUE)-float}}}}" } |
942e0f44 JJ |
210 | #endif |
211 | ||
345a6161 DM |
212 | #if DEFAULT_ARCH32_P |
213 | #define MULTILIB_DEFAULTS { "m32" } | |
214 | #else | |
215 | #define MULTILIB_DEFAULTS { "m64" } | |
216 | #endif | |
217 | ||
218 | #else /* !SPARC_BI_ARCH */ | |
219 | ||
220 | #undef LINK_SPEC | |
c71cfaaf | 221 | #define LINK_SPEC "-m elf64_sparc -Y P,%R/usr/lib64 %{shared:-shared} \ |
bfe87013 | 222 | %{!shared: \ |
dabadc52 JM |
223 | %{!static: \ |
224 | %{rdynamic:-export-dynamic} \ | |
107fd1c1 | 225 | -dynamic-linker " GNU_USER_DYNAMIC_LINKER64 "} \ |
dabadc52 | 226 | %{static:-static}} \ |
e95b1e6a | 227 | %{!mno-relax:%{!r:-relax}} \ |
bfe87013 DE |
228 | " |
229 | ||
345a6161 DM |
230 | #endif /* !SPARC_BI_ARCH */ |
231 | ||
12eb1a9c | 232 | /* It's safe to pass -s always, even if -g is not used. */ |
bfe87013 DE |
233 | #undef ASM_SPEC |
234 | #define ASM_SPEC "\ | |
1141be7e | 235 | -s \ |
428b3812 | 236 | %{" FPIE_OR_FPIC_SPEC ":-K PIC} \ |
40ea67af | 237 | %{!.c:%{findirect-dispatch:-K PIC}} \ |
e95b1e6a | 238 | %(asm_cpu) %(asm_arch) %(asm_relax)" |
bfe87013 | 239 | |
bfe87013 DE |
240 | #undef ASM_OUTPUT_ALIGNED_LOCAL |
241 | #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \ | |
242 | do { \ | |
243 | fputs ("\t.local\t", (FILE)); \ | |
244 | assemble_name ((FILE), (NAME)); \ | |
245 | putc ('\n', (FILE)); \ | |
246 | ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \ | |
247 | } while (0) | |
248 | ||
249 | #undef COMMON_ASM_OP | |
471b6f1b | 250 | #define COMMON_ASM_OP "\t.common\t" |
bfe87013 | 251 | |
59f96879 RH |
252 | #undef LOCAL_LABEL_PREFIX |
253 | #define LOCAL_LABEL_PREFIX "." | |
254 | ||
bfe87013 DE |
255 | /* DWARF bits. */ |
256 | ||
257 | /* Follow Irix 6 and not the Dwarf2 draft in using 64-bit offsets. | |
d6a7951f | 258 | Obviously the Dwarf2 folks haven't tried to actually build systems |
bfe87013 DE |
259 | with their spec. On a 64-bit system, only 64-bit relocs become |
260 | RELATIVE relocations. */ | |
261 | ||
262 | /* #define DWARF_OFFSET_SIZE PTR_SIZE */ | |
275b60d6 | 263 | |
45dcc026 JJ |
264 | #undef DITF_CONVERSION_LIBFUNCS |
265 | #define DITF_CONVERSION_LIBFUNCS 1 | |
f7e0e539 | 266 | \f |
5751a10b JJ |
267 | #ifdef HAVE_AS_TLS |
268 | #undef TARGET_SUN_TLS | |
269 | #undef TARGET_GNU_TLS | |
270 | #define TARGET_SUN_TLS 0 | |
271 | #define TARGET_GNU_TLS 1 | |
272 | #endif | |
273 | \f | |
7a31a340 DM |
274 | /* We use GNU ld so undefine this so that attribute((init_priority)) works. */ |
275 | #undef CTORS_SECTION_ASM_OP | |
276 | #undef DTORS_SECTION_ASM_OP | |
db430d26 | 277 | |
260c8ba3 EB |
278 | /* Static stack checking is supported by means of probes. */ |
279 | #define STACK_CHECK_STATIC_BUILTIN 1 | |
280 | ||
5e77eb53 EB |
281 | #undef NEED_INDICATE_EXEC_STACK |
282 | #define NEED_INDICATE_EXEC_STACK 1 | |
8ec11fe9 JJ |
283 | |
284 | #ifdef TARGET_LIBC_PROVIDES_SSP | |
285 | /* sparc glibc provides __stack_chk_guard in [%g7 + 0x14], | |
286 | sparc64 glibc provides it at [%g7 + 0x28]. */ | |
287 | #define TARGET_THREAD_SSP_OFFSET (TARGET_ARCH64 ? 0x28 : 0x14) | |
288 | #endif | |
7269aee7 AH |
289 | |
290 | /* Define if long doubles should be mangled as 'g'. */ | |
291 | #define TARGET_ALTERNATE_LONG_DOUBLE_MANGLING | |
cc44abe6 DM |
292 | |
293 | /* We use glibc _mcount for profiling. */ | |
b61eacd6 | 294 | #undef NO_PROFILE_COUNTERS |
cc44abe6 | 295 | #define NO_PROFILE_COUNTERS 1 |