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)
4
5This file is part of GNU CC.
6
7GNU CC is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 2, or (at your option)
10any later version.
11
12GNU CC is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GNU CC; see the file COPYING. If not, write to
19the Free Software Foundation, 59 Temple Place - Suite 330,
20Boston, MA 02111-1307, USA. */
21
22#define LINUX_DEFAULT_ELF
23
24/* Don't assume anything about the header files. */
25#define NO_IMPLICIT_EXTERN_C
26
27#undef MD_EXEC_PREFIX
28#undef MD_STARTFILE_PREFIX
29
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. */
33
34#undef TARGET_DEFAULT
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)
38#endif
39
40#undef ASM_CPU_DEFAULT_SPEC
41#define ASM_CPU_DEFAULT_SPEC "-Av9a"
42
43#ifdef SPARC_BI_ARCH
44
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"
49
50#endif
51
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'. */
56
57#undef STARTFILE_SPEC
58
59#define STARTFILE_SPEC32 \
60 "%{!shared: \
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}}"
64
65#define STARTFILE_SPEC64 \
66 "%{!shared: \
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}}"
70
71#ifdef SPARC_BI_ARCH
72
73#if DEFAULT_ARCH32_P
74#define STARTFILE_SPEC "\
75%{m32:" STARTFILE_SPEC32 "} \
76%{m64:" STARTFILE_SPEC64 "} \
77%{!m32:%{!m64:" STARTFILE_SPEC32 "}}"
78#else
79#define STARTFILE_SPEC "\
80%{m32:" STARTFILE_SPEC32 "} \
81%{m64:" STARTFILE_SPEC64 "} \
82%{!m32:%{!m64:" STARTFILE_SPEC64 "}}"
83#endif
84
85#else
86
87#define STARTFILE_SPEC STARTFILE_SPEC64
88
89#endif
90
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'. */
96
97#undef ENDFILE_SPEC
98
99#define ENDFILE_SPEC32 \
100 "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
101
102#define ENDFILE_SPEC64 \
103 "%{!shared:crtend.o%s} %{shared:crtendS.o%s} /usr/lib64/crtn.o%s"
104
105#ifdef SPARC_BI_ARCH
106
107#if DEFAULT_ARCH32_P
108#define ENDFILE_SPEC "\
109%{m32:" ENDFILE_SPEC32 "} \
110%{m64:" ENDFILE_SPEC64 "} \
111%{!m32:%{!m64:" ENDFILE_SPEC32 "}}"
112#else
113#define ENDFILE_SPEC "\
114%{m32:" ENDFILE_SPEC32 "} \
115%{m64:" ENDFILE_SPEC64 "} \
116%{!m32:%{!m64:" ENDFILE_SPEC64 "}}"
117#endif
118
119#else
120
121#define ENDFILE_SPEC ENDFILE_SPEC64
122
123#endif
124
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)"
128
129#undef TARGET_VERSION
130#define TARGET_VERSION fprintf (stderr, " (sparc64 GNU/Linux with ELF)");
131
132/* The default code model. */
133#undef SPARC_DEFAULT_CMODEL
134#define SPARC_DEFAULT_CMODEL CM_MEDLOW
135
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") },
140
141#undef WCHAR_TYPE
142#define WCHAR_TYPE "int"
143
144#undef WCHAR_TYPE_SIZE
145#define WCHAR_TYPE_SIZE 32
146
147#undef MAX_WCHAR_TYPE_SIZE
148
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)
153
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
157
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
162#else
163#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
164#endif
165
166#undef CPP_PREDEFINES
167#define CPP_PREDEFINES "-D__ELF__ -Dunix -D_LONGLONG -D__sparc__ -Dlinux -Asystem=unix -Asystem=posix"
168
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} \
175"
176
177#undef LIB_SPEC
178#define LIB_SPEC \
179 "%{shared: -lc} \
180 %{!shared: %{mieee-fp:-lieee} %{pthread:-lpthread} \
181 %{profile:-lc_p} %{!profile: -lc}}"
182
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.
190
191 I took out %{v:%{!V:-V}}. It is too much :-(. They can use
192 -Wl,-V.
193
194 When the -shared link option is used a final link is not being
195 done. */
196
197/* If ELF is the default format, we should not use /lib/elf. */
198
199#ifdef SPARC_BI_ARCH
200
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 },
207
208#define LINK_ARCH32_SPEC "-m elf32_sparc -Y P,/usr/lib %{shared:-shared} \
209 %{!shared: \
210 %{!ibcs: \
211 %{!static: \
212 %{rdynamic:-export-dynamic} \
213 %{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2}} \
214 %{static:-static}}} \
215"
216
217#define LINK_ARCH64_SPEC "-m elf64_sparc -Y P,/usr/lib64 %{shared:-shared} \
218 %{!shared: \
219 %{!ibcs: \
220 %{!static: \
221 %{rdynamic:-export-dynamic} \
222 %{!dynamic-linker:-dynamic-linker /lib64/ld-linux.so.2}} \
223 %{static:-static}}} \
224"
225
226#define LINK_ARCH_SPEC "\
227%{m32:%(link_arch32)} \
228%{m64:%(link_arch64)} \
229%{!m32:%{!m64:%(link_arch_default)}} \
230"
231
232#define LINK_ARCH_DEFAULT_SPEC \
233(DEFAULT_ARCH32_P ? LINK_ARCH32_SPEC : LINK_ARCH64_SPEC)
234
235#undef LINK_SPEC
236#define LINK_SPEC "\
237%(link_arch) \
238%{mlittle-endian:-EL} \
239%{!mno-relax:%{!r:-relax}} \
240"
241
242#undef CC1_SPEC
243#if DEFAULT_ARCH32_P
244#define CC1_SPEC "\
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"
253#else
254#define CC1_SPEC "\
255%{sun4:} %{target:} \
256%{mcypress:-mcpu=cypress} \
257%{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
258%{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
259%{m32:-mptr32 -mno-stack-bias %{!mlong-double-128:-mlong-double-64} \
260 %{!mcpu*:%{!mcypress:%{!msparclite:%{!mf930:%{!mf934:%{!mv8:%{!msupersparc:-mcpu=cypress}}}}}}}} \
261%{!m32:%{!mcpu*:-mcpu=ultrasparc}} \
262%{!mno-vis:%{!m32:%{!mcpu=v9:-mvis}}} \
263"
264#endif
265
266#if DEFAULT_ARCH32_P
267#define MULTILIB_DEFAULTS { "m32" }
268#else
269#define MULTILIB_DEFAULTS { "m64" }
270#endif
271
272#else /* !SPARC_BI_ARCH */
273
274#undef LINK_SPEC
275#define LINK_SPEC "-m elf64_sparc -Y P,/usr/lib64 %{shared:-shared} \
276 %{!shared: \
277 %{!ibcs: \
278 %{!static: \
279 %{rdynamic:-export-dynamic} \
280 %{!dynamic-linker:-dynamic-linker /lib64/ld-linux.so.2}} \
281 %{static:-static}}} \
282%{mlittle-endian:-EL} \
283%{!mno-relax:%{!r:-relax}} \
284"
285
286#endif /* !SPARC_BI_ARCH */
287
288/* The sun bundled assembler doesn't accept -Yd, (and neither does gas).
289 It's safe to pass -s always, even if -g is not used. */
290#undef ASM_SPEC
291#define ASM_SPEC "\
292%{V} \
293%{v:%{!V:-V}} \
294%{!Qn:-Qy} \
295%{n} \
296%{T} \
297%{Ym,*} \
298%{Wa,*:%*} \
299-s %{fpic:-K PIC} %{fPIC:-K PIC} \
300%{mlittle-endian:-EL} \
301%(asm_cpu) %(asm_arch) %(asm_relax)"
302
303/* Same as sparc.h */
304#undef DBX_REGISTER_NUMBER
305#define DBX_REGISTER_NUMBER(REGNO) (REGNO)
306
307/* System V Release 4 uses DWARF debugging info. Buf DWARF1 doesn't do
308 64-bit anything, so we use DWARF2. */
309
310#undef DWARF2_DEBUGGING_INFO
311#undef DWARF_DEBUGGING_INFO
312#undef DBX_DEBUGGING_INFO
313#define DWARF2_DEBUGGING_INFO
314#define DBX_DEBUGGING_INFO
315
316#undef ASM_OUTPUT_ALIGNED_LOCAL
317#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
318do { \
319 fputs ("\t.local\t", (FILE)); \
320 assemble_name ((FILE), (NAME)); \
321 putc ('\n', (FILE)); \
322 ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \
323} while (0)
324
325#undef COMMON_ASM_OP
326#define COMMON_ASM_OP "\t.common\t"
327
328/* This is how to output a definition of an internal numbered label where
329 PREFIX is the class of label and NUM is the number within the class. */
330
331#undef ASM_OUTPUT_INTERNAL_LABEL
332#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
333 fprintf (FILE, ".L%s%d:\n", PREFIX, NUM)
334
335/* This is how to output a reference to an internal numbered label where
336 PREFIX is the class of label and NUM is the number within the class. */
337
338#undef ASM_OUTPUT_INTERNAL_LABELREF
339#define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \
340 fprintf (FILE, ".L%s%d", PREFIX, NUM)
341
342/* This is how to store into the string LABEL
343 the symbol_ref name of an internal numbered label where
344 PREFIX is the class of label and NUM is the number within the class.
345 This is suitable for output with `assemble_name'. */
346
347#undef ASM_GENERATE_INTERNAL_LABEL
348#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
349 sprintf (LABEL, "*.L%s%ld", PREFIX, (long)(NUM))
350
351/* DWARF bits. */
352
353/* Follow Irix 6 and not the Dwarf2 draft in using 64-bit offsets.
354 Obviously the Dwarf2 folks haven't tried to actually build systems
355 with their spec. On a 64-bit system, only 64-bit relocs become
356 RELATIVE relocations. */
357
358/* #define DWARF_OFFSET_SIZE PTR_SIZE */
359
360#if defined(HAVE_LD_EH_FRAME_HDR)
361#define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
362#endif
363
2 Copyright 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
3 Contributed by David S. Miller (davem@caip.rutgers.edu)
4
5This file is part of GNU CC.
6
7GNU CC is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 2, or (at your option)
10any later version.
11
12GNU CC is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GNU CC; see the file COPYING. If not, write to
19the Free Software Foundation, 59 Temple Place - Suite 330,
20Boston, MA 02111-1307, USA. */
21
22#define LINUX_DEFAULT_ELF
23
24/* Don't assume anything about the header files. */
25#define NO_IMPLICIT_EXTERN_C
26
27#undef MD_EXEC_PREFIX
28#undef MD_STARTFILE_PREFIX
29
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. */
33
34#undef TARGET_DEFAULT
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)
38#endif
39
40#undef ASM_CPU_DEFAULT_SPEC
41#define ASM_CPU_DEFAULT_SPEC "-Av9a"
42
43#ifdef SPARC_BI_ARCH
44
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"
49
50#endif
51
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'. */
56
57#undef STARTFILE_SPEC
58
59#define STARTFILE_SPEC32 \
60 "%{!shared: \
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}}"
64
65#define STARTFILE_SPEC64 \
66 "%{!shared: \
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}}"
70
71#ifdef SPARC_BI_ARCH
72
73#if DEFAULT_ARCH32_P
74#define STARTFILE_SPEC "\
75%{m32:" STARTFILE_SPEC32 "} \
76%{m64:" STARTFILE_SPEC64 "} \
77%{!m32:%{!m64:" STARTFILE_SPEC32 "}}"
78#else
79#define STARTFILE_SPEC "\
80%{m32:" STARTFILE_SPEC32 "} \
81%{m64:" STARTFILE_SPEC64 "} \
82%{!m32:%{!m64:" STARTFILE_SPEC64 "}}"
83#endif
84
85#else
86
87#define STARTFILE_SPEC STARTFILE_SPEC64
88
89#endif
90
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'. */
96
97#undef ENDFILE_SPEC
98
99#define ENDFILE_SPEC32 \
100 "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
101
102#define ENDFILE_SPEC64 \
103 "%{!shared:crtend.o%s} %{shared:crtendS.o%s} /usr/lib64/crtn.o%s"
104
105#ifdef SPARC_BI_ARCH
106
107#if DEFAULT_ARCH32_P
108#define ENDFILE_SPEC "\
109%{m32:" ENDFILE_SPEC32 "} \
110%{m64:" ENDFILE_SPEC64 "} \
111%{!m32:%{!m64:" ENDFILE_SPEC32 "}}"
112#else
113#define ENDFILE_SPEC "\
114%{m32:" ENDFILE_SPEC32 "} \
115%{m64:" ENDFILE_SPEC64 "} \
116%{!m32:%{!m64:" ENDFILE_SPEC64 "}}"
117#endif
118
119#else
120
121#define ENDFILE_SPEC ENDFILE_SPEC64
122
123#endif
124
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)"
128
129#undef TARGET_VERSION
130#define TARGET_VERSION fprintf (stderr, " (sparc64 GNU/Linux with ELF)");
131
132/* The default code model. */
133#undef SPARC_DEFAULT_CMODEL
134#define SPARC_DEFAULT_CMODEL CM_MEDLOW
135
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") },
140
141#undef WCHAR_TYPE
142#define WCHAR_TYPE "int"
143
144#undef WCHAR_TYPE_SIZE
145#define WCHAR_TYPE_SIZE 32
146
147#undef MAX_WCHAR_TYPE_SIZE
148
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)
153
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
157
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
162#else
163#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
164#endif
165
166#undef CPP_PREDEFINES
167#define CPP_PREDEFINES "-D__ELF__ -Dunix -D_LONGLONG -D__sparc__ -Dlinux -Asystem=unix -Asystem=posix"
168
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} \
175"
176
177#undef LIB_SPEC
178#define LIB_SPEC \
179 "%{shared: -lc} \
180 %{!shared: %{mieee-fp:-lieee} %{pthread:-lpthread} \
181 %{profile:-lc_p} %{!profile: -lc}}"
182
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.
190
191 I took out %{v:%{!V:-V}}. It is too much :-(. They can use
192 -Wl,-V.
193
194 When the -shared link option is used a final link is not being
195 done. */
196
197/* If ELF is the default format, we should not use /lib/elf. */
198
199#ifdef SPARC_BI_ARCH
200
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 },
207
208#define LINK_ARCH32_SPEC "-m elf32_sparc -Y P,/usr/lib %{shared:-shared} \
209 %{!shared: \
210 %{!ibcs: \
211 %{!static: \
212 %{rdynamic:-export-dynamic} \
213 %{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2}} \
214 %{static:-static}}} \
215"
216
217#define LINK_ARCH64_SPEC "-m elf64_sparc -Y P,/usr/lib64 %{shared:-shared} \
218 %{!shared: \
219 %{!ibcs: \
220 %{!static: \
221 %{rdynamic:-export-dynamic} \
222 %{!dynamic-linker:-dynamic-linker /lib64/ld-linux.so.2}} \
223 %{static:-static}}} \
224"
225
226#define LINK_ARCH_SPEC "\
227%{m32:%(link_arch32)} \
228%{m64:%(link_arch64)} \
229%{!m32:%{!m64:%(link_arch_default)}} \
230"
231
232#define LINK_ARCH_DEFAULT_SPEC \
233(DEFAULT_ARCH32_P ? LINK_ARCH32_SPEC : LINK_ARCH64_SPEC)
234
235#undef LINK_SPEC
236#define LINK_SPEC "\
237%(link_arch) \
238%{mlittle-endian:-EL} \
239%{!mno-relax:%{!r:-relax}} \
240"
241
242#undef CC1_SPEC
243#if DEFAULT_ARCH32_P
244#define CC1_SPEC "\
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"
253#else
254#define CC1_SPEC "\
255%{sun4:} %{target:} \
256%{mcypress:-mcpu=cypress} \
257%{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
258%{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
259%{m32:-mptr32 -mno-stack-bias %{!mlong-double-128:-mlong-double-64} \
260 %{!mcpu*:%{!mcypress:%{!msparclite:%{!mf930:%{!mf934:%{!mv8:%{!msupersparc:-mcpu=cypress}}}}}}}} \
261%{!m32:%{!mcpu*:-mcpu=ultrasparc}} \
262%{!mno-vis:%{!m32:%{!mcpu=v9:-mvis}}} \
263"
264#endif
265
266#if DEFAULT_ARCH32_P
267#define MULTILIB_DEFAULTS { "m32" }
268#else
269#define MULTILIB_DEFAULTS { "m64" }
270#endif
271
272#else /* !SPARC_BI_ARCH */
273
274#undef LINK_SPEC
275#define LINK_SPEC "-m elf64_sparc -Y P,/usr/lib64 %{shared:-shared} \
276 %{!shared: \
277 %{!ibcs: \
278 %{!static: \
279 %{rdynamic:-export-dynamic} \
280 %{!dynamic-linker:-dynamic-linker /lib64/ld-linux.so.2}} \
281 %{static:-static}}} \
282%{mlittle-endian:-EL} \
283%{!mno-relax:%{!r:-relax}} \
284"
285
286#endif /* !SPARC_BI_ARCH */
287
288/* The sun bundled assembler doesn't accept -Yd, (and neither does gas).
289 It's safe to pass -s always, even if -g is not used. */
290#undef ASM_SPEC
291#define ASM_SPEC "\
292%{V} \
293%{v:%{!V:-V}} \
294%{!Qn:-Qy} \
295%{n} \
296%{T} \
297%{Ym,*} \
298%{Wa,*:%*} \
299-s %{fpic:-K PIC} %{fPIC:-K PIC} \
300%{mlittle-endian:-EL} \
301%(asm_cpu) %(asm_arch) %(asm_relax)"
302
303/* Same as sparc.h */
304#undef DBX_REGISTER_NUMBER
305#define DBX_REGISTER_NUMBER(REGNO) (REGNO)
306
307/* System V Release 4 uses DWARF debugging info. Buf DWARF1 doesn't do
308 64-bit anything, so we use DWARF2. */
309
310#undef DWARF2_DEBUGGING_INFO
311#undef DWARF_DEBUGGING_INFO
312#undef DBX_DEBUGGING_INFO
313#define DWARF2_DEBUGGING_INFO
314#define DBX_DEBUGGING_INFO
315
316#undef ASM_OUTPUT_ALIGNED_LOCAL
317#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
318do { \
319 fputs ("\t.local\t", (FILE)); \
320 assemble_name ((FILE), (NAME)); \
321 putc ('\n', (FILE)); \
322 ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \
323} while (0)
324
325#undef COMMON_ASM_OP
326#define COMMON_ASM_OP "\t.common\t"
327
328/* This is how to output a definition of an internal numbered label where
329 PREFIX is the class of label and NUM is the number within the class. */
330
331#undef ASM_OUTPUT_INTERNAL_LABEL
332#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
333 fprintf (FILE, ".L%s%d:\n", PREFIX, NUM)
334
335/* This is how to output a reference to an internal numbered label where
336 PREFIX is the class of label and NUM is the number within the class. */
337
338#undef ASM_OUTPUT_INTERNAL_LABELREF
339#define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \
340 fprintf (FILE, ".L%s%d", PREFIX, NUM)
341
342/* This is how to store into the string LABEL
343 the symbol_ref name of an internal numbered label where
344 PREFIX is the class of label and NUM is the number within the class.
345 This is suitable for output with `assemble_name'. */
346
347#undef ASM_GENERATE_INTERNAL_LABEL
348#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
349 sprintf (LABEL, "*.L%s%ld", PREFIX, (long)(NUM))
350
351/* DWARF bits. */
352
353/* Follow Irix 6 and not the Dwarf2 draft in using 64-bit offsets.
354 Obviously the Dwarf2 folks haven't tried to actually build systems
355 with their spec. On a 64-bit system, only 64-bit relocs become
356 RELATIVE relocations. */
357
358/* #define DWARF_OFFSET_SIZE PTR_SIZE */
359
360#if defined(HAVE_LD_EH_FRAME_HDR)
361#define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
362#endif
363