1 /* Definitions for 64-bit SPARC running Linux-based GNU systems with ELF.
2 Copyright 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
3 Contributed by David S. Miller (davem@caip.rutgers.edu)
5 This file is part of GNU CC.
7 GNU CC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GNU CC is distributed in the hope that it will be useful,
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.
17 You should have received a copy of the GNU General Public License
18 along with GNU CC; see the file COPYING. If not, write to
19 the Free Software Foundation, 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
22 #define LINUX_DEFAULT_ELF
24 /* Don't assume anything about the header files. */
25 #define NO_IMPLICIT_EXTERN_C
28 #undef MD_STARTFILE_PREFIX
30 #if TARGET_CPU_DEFAULT == TARGET_CPU_v9 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
31 /* A 64 bit v9 compiler with stack-bias,
32 in a Medium/Low code model environment. */
35 #define TARGET_DEFAULT \
36 (MASK_V9 + MASK_PTR64 + MASK_64BIT /* + MASK_HARD_QUAD */ \
37 + MASK_STACK_BIAS + MASK_APP_REGS + MASK_EPILOGUE + MASK_FPU + MASK_LONG_DOUBLE_128)
40 #undef ASM_CPU_DEFAULT_SPEC
41 #define ASM_CPU_DEFAULT_SPEC "-Av9a"
45 #undef CPP_ARCH32_SPEC
46 #define CPP_ARCH32_SPEC "%{mlong-double-128:-D__LONG_DOUBLE_128__} \
47 -D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int \
48 -D__GCC_NEW_VARARGS__ -Acpu=sparc -Amachine=sparc"
52 /* Provide a STARTFILE_SPEC appropriate for GNU/Linux. Here we add
53 the GNU/Linux magical crtbegin.o file (see crtstuff.c) which
54 provides part of the support for getting C++ file-scope static
55 object constructed before entering `main'. */
59 #define STARTFILE_SPEC32 \
61 %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}\
62 crti.o%s %{static:crtbeginT.o%s}\
63 %{!static:%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}}"
65 #define STARTFILE_SPEC64 \
67 %{pg:/usr/lib64/gcrt1.o%s} %{!pg:%{p:/usr/lib64/gcrt1.o%s} %{!p:/usr/lib64/crt1.o%s}}}\
68 /usr/lib64/crti.o%s %{static:crtbeginT.o%s}\
69 %{!static:%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}}"
74 #define STARTFILE_SPEC "\
75 %{m32:" STARTFILE_SPEC32 "} \
76 %{m64:" STARTFILE_SPEC64 "} \
77 %{!m32:%{!m64:" STARTFILE_SPEC32 "}}"
79 #define STARTFILE_SPEC "\
80 %{m32:" STARTFILE_SPEC32 "} \
81 %{m64:" STARTFILE_SPEC64 "} \
82 %{!m32:%{!m64:" STARTFILE_SPEC64 "}}"
87 #define STARTFILE_SPEC STARTFILE_SPEC64
91 /* Provide a ENDFILE_SPEC appropriate for GNU/Linux. Here we tack on
92 the GNU/Linux magical crtend.o file (see crtstuff.c) which
93 provides part of the support for getting C++ file-scope static
94 object constructed before entering `main', followed by a normal
95 GNU/Linux "finalizer" file, `crtn.o'. */
99 #define ENDFILE_SPEC32 \
100 "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
102 #define ENDFILE_SPEC64 \
103 "%{!shared:crtend.o%s} %{shared:crtendS.o%s} /usr/lib64/crtn.o%s"
108 #define ENDFILE_SPEC "\
109 %{m32:" ENDFILE_SPEC32 "} \
110 %{m64:" ENDFILE_SPEC64 "} \
111 %{!m32:%{!m64:" ENDFILE_SPEC32 "}}"
113 #define ENDFILE_SPEC "\
114 %{m32:" ENDFILE_SPEC32 "} \
115 %{m64:" ENDFILE_SPEC64 "} \
116 %{!m32:%{!m64:" ENDFILE_SPEC64 "}}"
121 #define ENDFILE_SPEC ENDFILE_SPEC64
125 /* The GNU C++ standard library requires that these macros be defined. */
126 #undef CPLUSPLUS_CPP_SPEC
127 #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
129 #undef TARGET_VERSION
130 #define TARGET_VERSION fprintf (stderr, " (sparc64 GNU/Linux with ELF)");
132 /* The default code model. */
133 #undef SPARC_DEFAULT_CMODEL
134 #define SPARC_DEFAULT_CMODEL CM_MEDLOW
136 #undef SUBTARGET_SWITCHES
137 #define SUBTARGET_SWITCHES \
138 {"long-double-64", -MASK_LONG_DOUBLE_128, N_("Use 64 bit long doubles") }, \
139 {"long-double-128", MASK_LONG_DOUBLE_128, N_("Use 128 bit long doubles") },
142 #define WCHAR_TYPE "int"
144 #undef WCHAR_TYPE_SIZE
145 #define WCHAR_TYPE_SIZE 32
147 #undef MAX_WCHAR_TYPE_SIZE
149 /* Define for support of TFmode long double and REAL_ARITHMETIC.
150 Sparc ABI says that long double is 4 words. */
151 #undef LONG_DOUBLE_TYPE_SIZE
152 #define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
154 /* Constant which presents upper bound of the above value. */
155 #undef MAX_LONG_DOUBLE_TYPE_SIZE
156 #define MAX_LONG_DOUBLE_TYPE_SIZE 128
158 /* Define this to set long double type size to use in libgcc2.c, which can
159 not depend on target_flags. */
160 #if defined(__arch64__) || defined(__LONG_DOUBLE_128__)
161 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
163 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
166 #undef CPP_PREDEFINES
167 #define CPP_PREDEFINES "-D__ELF__ -Dunix -D_LONGLONG -D__sparc__ -Dlinux -Asystem=unix -Asystem=posix"
169 #undef CPP_SUBTARGET_SPEC
170 #define CPP_SUBTARGET_SPEC "\
171 %{fPIC:-D__PIC__ -D__pic__} \
172 %{fpic:-D__PIC__ -D__pic__} \
173 %{posix:-D_POSIX_SOURCE} \
174 %{pthread:-D_REENTRANT} \
180 %{!shared: %{mieee-fp:-lieee} %{pthread:-lpthread} \
181 %{profile:-lc_p} %{!profile: -lc}}"
183 /* Provide a LINK_SPEC appropriate for GNU/Linux. Here we provide support
184 for the special GCC options -static and -shared, which allow us to
185 link things in one of these three modes by applying the appropriate
186 combinations of options at link-time. We like to support here for
187 as many of the other GNU linker options as possible. But I don't
188 have the time to search for those flags. I am sure how to add
189 support for -soname shared_object_name. H.J.
191 I took out %{v:%{!V:-V}}. It is too much :-(. They can use
194 When the -shared link option is used a final link is not being
197 /* If ELF is the default format, we should not use /lib/elf. */
201 #undef SUBTARGET_EXTRA_SPECS
202 #define SUBTARGET_EXTRA_SPECS \
203 { "link_arch32", LINK_ARCH32_SPEC }, \
204 { "link_arch64", LINK_ARCH64_SPEC }, \
205 { "link_arch_default", LINK_ARCH_DEFAULT_SPEC }, \
206 { "link_arch", LINK_ARCH_SPEC },
208 #define LINK_ARCH32_SPEC "-m elf32_sparc -Y P,/usr/lib %{shared:-shared} \
212 %{rdynamic:-export-dynamic} \
213 %{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2}} \
214 %{static:-static}}} \
217 #define LINK_ARCH64_SPEC "-m elf64_sparc -Y P,/usr/lib64 %{shared:-shared} \
221 %{rdynamic:-export-dynamic} \
222 %{!dynamic-linker:-dynamic-linker /lib64/ld-linux.so.2}} \
223 %{static:-static}}} \
226 #define LINK_ARCH_SPEC "\
227 %{m32:%(link_arch32)} \
228 %{m64:%(link_arch64)} \
229 %{!m32:%{!m64:%(link_arch_default)}} \
232 #define LINK_ARCH_DEFAULT_SPEC \
233 (DEFAULT_ARCH32_P ? LINK_ARCH32_SPEC : LINK_ARCH64_SPEC)
238 %{mlittle-endian:-EL} \
239 %{!mno-relax:%{!r:-relax}} \
245 %{sun4:} %{target:} \
246 %{mcypress:-mcpu=cypress} \
247 %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
248 %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
249 %{m64:-mptr64 -mstack-bias -mlong-double-128 \
250 %{!mcpu*:%{!mcypress:%{!msparclite:%{!mf930:%{!mf934:%{!mv8:%{!msupersparc:-mcpu=ultrasparc}}}}}}} \
251 %{!mno-vis:%{!mcpu=v9:-mvis}}} \
252 %{!m64:%{g*:%{!gs*:%{!gd*:%{!gx*:%{!gc*:-gstabs+}}}}}} \
256 %{sun4:} %{target:} \
257 %{mcypress:-mcpu=cypress} \
258 %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
259 %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
260 %{m32:-mptr32 -mno-stack-bias %{!mlong-double-128:-mlong-double-64} \
261 %{!mcpu*:%{!mcypress:%{!msparclite:%{!mf930:%{!mf934:%{!mv8:%{!msupersparc:-mcpu=cypress}}}}}}} \
262 %{g*:%{!gs*:%{!gd*:%{!gx*:%{!gc*:-gstabs+}}}}}} \
263 %{!m32:%{!mcpu*:-mcpu=ultrasparc}} \
264 %{!mno-vis:%{!m32:%{!mcpu=v9:-mvis}}} \
269 #define MULTILIB_DEFAULTS { "m32" }
271 #define MULTILIB_DEFAULTS { "m64" }
274 #else /* !SPARC_BI_ARCH */
277 #define LINK_SPEC "-m elf64_sparc -Y P,/usr/lib64 %{shared:-shared} \
281 %{rdynamic:-export-dynamic} \
282 %{!dynamic-linker:-dynamic-linker /lib64/ld-linux.so.2}} \
283 %{static:-static}}} \
284 %{mlittle-endian:-EL} \
285 %{!mno-relax:%{!r:-relax}} \
288 #endif /* !SPARC_BI_ARCH */
290 /* The sun bundled assembler doesn't accept -Yd, (and neither does gas).
291 It's safe to pass -s always, even if -g is not used. */
301 -s %{fpic:-K PIC} %{fPIC:-K PIC} \
302 %{mlittle-endian:-EL} \
303 %(asm_cpu) %(asm_arch) %(asm_relax)"
305 /* Same as sparc.h */
306 #undef DBX_REGISTER_NUMBER
307 #define DBX_REGISTER_NUMBER(REGNO) (REGNO)
309 /* System V Release 4 uses DWARF debugging info. Buf DWARF1 doesn't do
310 64-bit anything, so we use DWARF2. */
312 #undef DWARF2_DEBUGGING_INFO
313 #undef DWARF_DEBUGGING_INFO
314 #undef DBX_DEBUGGING_INFO
315 #define DWARF2_DEBUGGING_INFO
316 #define DBX_DEBUGGING_INFO
318 #undef PREFERRED_DEBUGGING_TYPE
319 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
321 #undef ASM_OUTPUT_ALIGNED_LOCAL
322 #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
324 fputs ("\t.local\t", (FILE)); \
325 assemble_name ((FILE), (NAME)); \
326 putc ('\n', (FILE)); \
327 ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \
331 #define COMMON_ASM_OP "\t.common\t"
333 /* This is how to output a definition of an internal numbered label where
334 PREFIX is the class of label and NUM is the number within the class. */
336 #undef ASM_OUTPUT_INTERNAL_LABEL
337 #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
338 fprintf (FILE, ".L%s%d:\n", PREFIX, NUM)
340 /* This is how to output a reference to an internal numbered label where
341 PREFIX is the class of label and NUM is the number within the class. */
343 #undef ASM_OUTPUT_INTERNAL_LABELREF
344 #define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \
345 fprintf (FILE, ".L%s%d", PREFIX, NUM)
347 /* This is how to store into the string LABEL
348 the symbol_ref name of an internal numbered label where
349 PREFIX is the class of label and NUM is the number within the class.
350 This is suitable for output with `assemble_name'. */
352 #undef ASM_GENERATE_INTERNAL_LABEL
353 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
354 sprintf (LABEL, "*.L%s%ld", PREFIX, (long)(NUM))
356 /* Define the names of various pseudo-ops used by the Sparc/svr4 assembler.
357 ??? If ints are 64 bits then UNALIGNED_INT_ASM_OP (defined elsewhere) is
358 misnamed. These should all refer to explicit sizes (half/word/xword?),
359 anything other than short/int/long/etc. */
361 #undef UNALIGNED_DOUBLE_INT_ASM_OP
362 #define UNALIGNED_DOUBLE_INT_ASM_OP "\t.uaxword\t"
366 /* Follow Irix 6 and not the Dwarf2 draft in using 64-bit offsets.
367 Obviously the Dwarf2 folks haven't tried to actually build systems
368 with their spec. On a 64-bit system, only 64-bit relocs become
369 RELATIVE relocations. */
371 /* #define DWARF_OFFSET_SIZE PTR_SIZE */
373 #if defined(HAVE_LD_EH_FRAME_HDR)
374 #define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "