xref: /openbsd/gnu/usr.bin/gcc/gcc/config/mips/iris6.h (revision 09467b48)
1 /* Definitions of target machine for GNU compiler.  Iris version 6.
2    Copyright (C) 1994, 1995, 1996, 1997, 1998, 2000, 2001, 2002, 2003
3    Free Software Foundation, Inc.
4 
5 This file is part of GNU CC.
6 
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)
10 any later version.
11 
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.
16 
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.  */
21 
22 /* Let mips.c know we need the Irix6 functions.  */
23 #define TARGET_IRIX6 1
24 
25 /* Default to -mabi=n32 and -mips3.  */
26 #define MIPS_ISA_DEFAULT 3
27 #define MIPS_ABI_DEFAULT ABI_N32
28 #define MULTILIB_DEFAULTS { "mabi=n32" }
29 
30 #ifndef TARGET_DEFAULT
31 #define TARGET_DEFAULT (MASK_ABICALLS|MASK_FLOAT64|MASK_64BIT)
32 #endif
33 
34 #include "mips/iris5.h"
35 
36 /* Irix6 assembler does handle DWARF2 directives.  Override setting in
37    irix5.h file.  */
38 #undef DWARF2_UNWIND_INFO
39 
40 /* The Irix6 assembler will sometimes assign labels to the wrong
41    section unless the labels are within .ent/.end blocks.  Therefore,
42    we avoid creating such labels.  */
43 #define DWARF2_GENERATE_TEXT_SECTION_LABEL 0
44 
45 /* wchar_t is defined differently with and without -mabi=64.  */
46 
47 #undef WCHAR_TYPE
48 #define WCHAR_TYPE (Pmode == DImode ? "int" : "long int")
49 
50 #undef WCHAR_TYPE_SIZE
51 #define WCHAR_TYPE_SIZE 32
52 
53 /* Same for wint_t.  */
54 
55 #undef WINT_TYPE
56 #define WINT_TYPE (Pmode == DImode ? "int" : "long int")
57 
58 #undef WINT_TYPE_SIZE
59 #define WINT_TYPE_SIZE 32
60 
61 /* For Irix 6, -mabi=64 implies TARGET_LONG64.  */
62 /* This is handled in override_options.  */
63 
64 #undef SUBTARGET_CC1_SPEC
65 #define SUBTARGET_CC1_SPEC ""
66 
67 /* We must pass -D_LONGLONG always, even when -ansi is used, because irix6
68    system header files require it.  This is OK, because gcc never warns
69    when long long is used in system header files.  Alternatively, we can
70    add support for the SGI builtin type __long_long.  */
71 
72 /* The GNU C++ standard library requires that __EXTENSIONS__ and
73    _SGI_SOURCE be defined on at least irix6.2 and probably all IRIX 6
74    prior to 6.5.  They normally get defined if !ansi, for g++ we want
75    them regardless.  We don't need this on IRIX 6.5 itself, but it
76    shouldn't hurt other than the namespace pollution.  */
77 
78 /* Undefine because this includes iris5.h.  */
79 #undef  TARGET_OS_CPP_BUILTINS
80 #define TARGET_OS_CPP_BUILTINS()			\
81     do {						\
82 	builtin_define_std ("host_mips");		\
83 	builtin_define ("_LONGLONG");			\
84 	builtin_define ("_MODERN_C");			\
85 	builtin_define ("_SVR4_SOURCE");		\
86 	builtin_define_std ("SYSTYPE_SVR4");		\
87 	builtin_define ("__DSO__");			\
88 	builtin_define_std ("unix");			\
89 	builtin_define_std ("sgi");			\
90 	builtin_assert ("system=svr4");			\
91 	builtin_assert ("system=unix");			\
92 	builtin_assert ("machine=sgi");			\
93 							\
94      if (mips_abi == ABI_32)				\
95       {							\
96 	builtin_define ("_MIPS_SIM=_MIPS_SIM_ABI32");	\
97 	builtin_define ("_MIPS_SZLONG=32");		\
98 	builtin_define ("_MIPS_SZPTR=32");		\
99       }							\
100      else if (mips_abi == ABI_64)			\
101       {							\
102 	builtin_define ("_ABI64=3");			\
103 	builtin_define ("_MIPS_SIM=_ABI64");		\
104 	builtin_define ("_MIPS_SZLONG=64");		\
105 	builtin_define ("_MIPS_SZPTR=64");		\
106       }							\
107      else						\
108       {							\
109 	builtin_define ("_ABIN32=2");			\
110 	builtin_define ("_MIPS_SIM=_ABIN32");		\
111 	builtin_define ("_MIPS_SZLONG=32");		\
112 	builtin_define ("_MIPS_SZPTR=32");		\
113       }							\
114 							\
115      if (!TARGET_FLOAT64)				\
116 	builtin_define ("_MIPS_FPSET=16");		\
117      else						\
118 	builtin_define ("_MIPS_FPSET=32");		\
119 							\
120      if (!TARGET_INT64)					\
121 	builtin_define ("_MIPS_SZINT=32");		\
122      else						\
123 	builtin_define ("_MIPS_SZINT=64");		\
124 							\
125      if (!ISA_MIPS1 && !ISA_MIPS2)			\
126 	builtin_define ("_COMPILER_VERSION=601");	\
127 							\
128      /* IRIX 6.5.18 and above provide many ISO C99	\
129 	features protected by the __c99 macro.		\
130 	libstdc++ v3 needs them as well.  */		\
131      if ((c_language == clk_c && flag_isoc99)		\
132 	 || c_language == clk_cplusplus)		\
133 	builtin_define ("__c99");			\
134 							\
135      if (c_language == clk_cplusplus)			\
136       {							\
137 	builtin_define ("__EXTENSIONS__");		\
138 	builtin_define ("_SGI_SOURCE");			\
139       }							\
140 							\
141      if (!flag_iso)					\
142        {						\
143 	 builtin_define ("__EXTENSIONS__");		\
144 	 builtin_define ("_SGI_SOURCE");		\
145        }						\
146 } while (0)
147 
148 /* Irix 6 uses DWARF-2.  */
149 #define DWARF2_DEBUGGING_INFO 1
150 #define MIPS_DEBUGGING_INFO 1
151 #undef PREFERRED_DEBUGGING_TYPE
152 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
153 
154 /* Force the generation of dwarf .debug_frame sections even if not
155    compiling -g.  This guarantees that we can unwind the stack.  */
156 #define DWARF2_FRAME_INFO 1
157 
158 /* The size in bytes of a DWARF field indicating an offset or length
159    relative to a debug info section, specified to be 4 bytes in the DWARF-2
160    specification.  The SGI/MIPS ABI defines it to be the same as PTR_SIZE.  */
161 #define DWARF_OFFSET_SIZE PTR_SIZE
162 
163 /* There is no GNU as port for Irix6 yet, so we set MD_EXEC_PREFIX so that
164    gcc will automatically find SGI as instead of searching the user's path.
165    The latter can fail when building a cross compiler if the user has . in
166    the path before /usr/bin, since then gcc will find and try to use the link
167    to the cross assembler which can't possibly work.  */
168 
169 #undef MD_EXEC_PREFIX
170 #define MD_EXEC_PREFIX "/usr/bin/"
171 
172 /* We have no need for MD_STARTFILE_PREFIX.  */
173 #undef MD_STARTFILE_PREFIX
174 
175 #undef MACHINE_TYPE
176 #define MACHINE_TYPE "SGI running IRIX 6.x"
177 
178 /* Irix 5 stuff that we don't need for Irix 6.  */
179 /* ??? We do need this for the -mabi=32 switch though.  */
180 #undef ASM_OUTPUT_UNDEF_FUNCTION
181 #undef ASM_OUTPUT_EXTERNAL_LIBCALL
182 #undef ASM_DECLARE_FUNCTION_SIZE
183 
184 /* Stuff we need for Irix 6 that isn't in Irix 5.  */
185 
186 /* The SGI assembler doesn't like labels before the .ent, so we must output
187    the .ent and function name here, which is the normal place for it.  */
188 
189 #undef ASM_DECLARE_FUNCTION_NAME
190 #define ASM_DECLARE_FUNCTION_NAME(STREAM, NAME, DECL)			\
191   do {									\
192     fputs ("\t.ent\t", STREAM);						\
193     assemble_name (STREAM, NAME);					\
194     fputs ("\n", STREAM);						\
195     assemble_name (STREAM, NAME);					\
196     fputs (":\n", STREAM);						\
197   } while (0)
198 
199 /* Likewise, the SGI assembler doesn't like labels after the .end, so we
200    must output the .end here.  */
201 #define ASM_DECLARE_FUNCTION_SIZE(STREAM, NAME, DECL)			\
202   do {									\
203     fputs ("\t.end\t", STREAM);						\
204     assemble_name (STREAM, NAME);					\
205     fputs ("\n", STREAM);						\
206   } while (0)
207 
208 /* Tell function_prologue in mips.c that we have already output the .ent/.end
209    pseudo-ops.  */
210 #define FUNCTION_NAME_ALREADY_DECLARED
211 
212 #undef SET_ASM_OP	/* Has no equivalent.  See ASM_OUTPUT_DEF below.  */
213 
214 #if 0
215 /* This is *NOT* how to equate one symbol to another symbol.  The assembler
216    '=' syntax just equates a name to a constant expression.
217    See ASM_OUTPUT_WEAK_ALIAS.  */
218 
219 #define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2)				\
220  do {	fprintf ((FILE), "\t");						\
221 	assemble_name (FILE, LABEL1);					\
222 	fprintf (FILE, " = ");						\
223 	assemble_name (FILE, LABEL2);					\
224 	fprintf (FILE, "\n");						\
225   } while (0)
226 #endif
227 
228 /* Define the strings used for the special svr4 .type and .size directives.  */
229 
230 #define TYPE_ASM_OP	"\t.type\t"
231 #define SIZE_ASM_OP	"\t.size\t"
232 
233 /* Irix assembler does not support the init_priority C++ attribute.  */
234 #undef SUPPORTS_INIT_PRIORITY
235 #define SUPPORTS_INIT_PRIORITY 0
236 
237 /* A linker error can empirically be avoided by removing duplicate
238    library search directories.  */
239 #define LINK_ELIMINATE_DUPLICATE_LDIRECTORIES 1
240 
241 #define POPSECTION_ASM_OP	"\t.popsection"
242 
243 /* ??? If no mabi=X option give, but a mipsX option is, then should depend
244    on the mipsX option.  */
245 /* If no mips[3,4] option given, give the appropriate default for mabi=X */
246 #undef SUBTARGET_ASM_SPEC
247 #define SUBTARGET_ASM_SPEC "%{!mabi*:-n32} %{!mips*: %{!mabi*:-mips3} %{mabi=n32|mabi=64:-mips3}}"
248 
249 /* Must pass -g0 to the assembler, otherwise it may overwrite our
250    debug info with its own debug info.  */
251 /* Must pass -show instead of -v.  */
252 /* Must pass -G 0 to the assembler, otherwise we may get warnings about
253    GOT overflow.  */
254 /* ??? We pass -w to disable all assembler warnings.  The `label should be
255    inside .ent/.end block' warning that we get for DWARF II debug info labels
256    is particularly annoying.  */
257 #undef SUBTARGET_MIPS_AS_ASM_SPEC
258 #define SUBTARGET_MIPS_AS_ASM_SPEC "%{v:-show} -G 0 -w"
259 
260 #undef SUBTARGET_ASM_DEBUGGING_SPEC
261 #define SUBTARGET_ASM_DEBUGGING_SPEC "-g0"
262 
263 /* The MIPS assembler occasionally misoptimizes.  Since GCC should be
264    doing scheduling anyhow, just turn off optimization in the assembler.  */
265 #undef SUBTARGET_ASM_OPTIMIZING_SPEC
266 #define SUBTARGET_ASM_OPTIMIZING_SPEC "-O0"
267 
268 /* The assembler now accepts .section pseudo-ops, but it does not allow
269    one to change the section in the middle of a function, so we can't use
270    the INIT_SECTION_ASM_OP code in crtstuff.  But we can build up the ctor
271    and dtor lists this way, so we use -init and -fini to invoke the
272    do_global_* functions instead of running collect2.  */
273 
274 #define BSS_SECTION_ASM_OP	"\t.section\t.bss"
275 
276 #undef READONLY_DATA_SECTION_ASM_OP
277 #define READONLY_DATA_SECTION_ASM_OP_32	"\t.rdata"
278 #define READONLY_DATA_SECTION_ASM_OP_64	"\t.section\t.rodata"
279 #define READONLY_DATA_SECTION_ASM_OP		\
280   (mips_abi != ABI_32 && mips_abi != ABI_O64	\
281    ? READONLY_DATA_SECTION_ASM_OP_64		\
282    : READONLY_DATA_SECTION_ASM_OP_32)
283 
284 /* A default list of other sections which we might be "in" at any given
285    time.  For targets that use additional sections (e.g. .tdesc) you
286    should override this definition in the target-specific file which
287    includes this file.  */
288 
289 #undef EXTRA_SECTIONS
290 #define EXTRA_SECTIONS in_sdata
291 
292 /* A default list of extra section function definitions.  For targets
293    that use additional sections (e.g. .tdesc) you should override this
294    definition in the target-specific file which includes this file.  */
295 
296 #undef EXTRA_SECTION_FUNCTIONS
297 #define EXTRA_SECTION_FUNCTIONS						\
298 void									\
299 sdata_section ()							\
300 {									\
301   if (in_section != in_sdata)						\
302     {									\
303       fprintf (asm_out_file, "%s\n", SDATA_SECTION_ASM_OP);		\
304       in_section = in_sdata;						\
305     }									\
306 }									\
307 									\
308 const char *								\
309 current_section_name ()							\
310 {									\
311   switch (in_section)							\
312     {									\
313     case no_section:	return NULL;					\
314     case in_text:	return ".text";					\
315     case in_data:	return ".data";					\
316     case in_sdata:	return ".sdata";				\
317     case in_bss:	return ".bss";					\
318     case in_readonly_data:						\
319       if (mips_abi != ABI_32 && mips_abi != ABI_O64)			\
320 	return ".rodata";						\
321       else								\
322 	return ".rdata";						\
323     case in_named:							\
324       return in_named_name;						\
325     }									\
326   abort ();								\
327 }									\
328 									\
329 unsigned int								\
330 current_section_flags ()						\
331 {									\
332   switch (in_section)							\
333     {									\
334     case no_section:	return 0;					\
335     case in_text:	return SECTION_CODE;				\
336     case in_data:	return SECTION_WRITE;				\
337     case in_sdata:	return SECTION_WRITE | SECTION_SMALL;		\
338     case in_bss:	return SECTION_WRITE | SECTION_BSS;		\
339     case in_readonly_data: return 0;					\
340     case in_named:	return get_named_section_flags (in_named_name);	\
341     }									\
342   abort ();								\
343 }
344 
345 /* Switch into a generic section.  */
346 #undef TARGET_ASM_NAMED_SECTION
347 #define TARGET_ASM_NAMED_SECTION  iris6_asm_named_section
348 
349 /* SGI assembler needs all sorts of extra help to do alignment properly.  */
350 #undef ASM_OUTPUT_ALIGN
351 #define ASM_OUTPUT_ALIGN iris6_asm_output_align
352 #undef ASM_FILE_START
353 #define ASM_FILE_START  iris6_asm_file_start
354 #undef ASM_FILE_END
355 #define ASM_FILE_END	iris6_asm_file_end
356 
357 #undef MAX_OFILE_ALIGNMENT
358 #define MAX_OFILE_ALIGNMENT (32768*8)
359 
360 /* ??? SGI assembler may core dump when compiling with -g.
361    Sometimes as succeeds, but then we get a linker error. (cmds.c in 072.sc)
362    Getting rid of .file solves both problems.  */
363 #undef ASM_OUTPUT_FILENAME
364 #define ASM_OUTPUT_FILENAME(STREAM, NUM_SOURCE_FILENAMES, NAME) \
365 do								\
366   {								\
367     fprintf (STREAM, "\t#.file\t%d ", NUM_SOURCE_FILENAMES);	\
368     output_quoted_string (STREAM, NAME);			\
369     fputs ("\n", STREAM);					\
370   }								\
371 while (0)
372 
373 /* ??? SGI assembler gives warning whenever .lcomm is used.  */
374 #undef ASM_OUTPUT_LOCAL
375 #define ASM_OUTPUT_ALIGNED_LOCAL(STREAM, NAME, SIZE, ALIGN)		   \
376 do									   \
377   {									   \
378     if (mips_abi != ABI_32 && mips_abi != ABI_O64)			   \
379       {									   \
380 	bss_section ();							   \
381 	mips_declare_object (STREAM, NAME, "", ":\n", 0);		   \
382 	ASM_OUTPUT_ALIGN (STREAM, floor_log2 (ALIGN / BITS_PER_UNIT));	   \
383 	ASM_OUTPUT_SKIP (STREAM, SIZE);					   \
384       }									   \
385     else								   \
386       mips_declare_object (STREAM, NAME, "\n\t.lcomm\t", ",%u\n", (SIZE)); \
387   }									   \
388 while (0)
389 
390 /* A C statement (sans semicolon) to output to the stdio stream
391    FILE the assembler definition of uninitialized global DECL named
392    NAME whose size is SIZE bytes and alignment is ALIGN bytes.
393    Try to use asm_output_aligned_bss to implement this macro.  */
394 
395 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
396   asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
397 
398 /* Write the extra assembler code needed to declare an object properly.  */
399 
400 #undef ASM_DECLARE_OBJECT_NAME
401 #define ASM_DECLARE_OBJECT_NAME(STREAM, NAME, DECL)			\
402 do									\
403  {									\
404    HOST_WIDE_INT size;							\
405    size_directive_output = 0;						\
406    if (!flag_inhibit_size_directive && DECL_SIZE (DECL))		\
407      {									\
408        size_directive_output = 1;					\
409        size = int_size_in_bytes (TREE_TYPE (DECL));			\
410        ASM_OUTPUT_SIZE_DIRECTIVE (STREAM, NAME, size);			\
411      }									\
412    mips_declare_object (STREAM, NAME, "", ":\n", 0);			\
413  }									\
414 while (0)
415 
416 /* Define the `__builtin_va_list' type for the ABI.  On Irix6, this
417    type is `char *'.  */
418 #undef BUILD_VA_LIST_TYPE
419 #define BUILD_VA_LIST_TYPE(VALIST) \
420   (VALIST) = build_pointer_type (char_type_node)
421 
422 /* Output the size directive for a decl in rest_of_decl_compilation
423    in the case where we did not do so before the initializer.
424    Once we find the error_mark_node, we know that the value of
425    size_directive_output was set
426    by ASM_DECLARE_OBJECT_NAME when it was run for the same decl.  */
427 
428 #define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END)	 \
429 do {									 \
430      const char *name = XSTR (XEXP (DECL_RTL (DECL), 0), 0);		 \
431      HOST_WIDE_INT size;						 \
432      if (!flag_inhibit_size_directive && DECL_SIZE (DECL)		 \
433          && ! AT_END && TOP_LEVEL					 \
434 	 && DECL_INITIAL (DECL) == error_mark_node			 \
435 	 && !size_directive_output)					 \
436        {								 \
437 	 size_directive_output = 1;					 \
438 	 size = int_size_in_bytes (TREE_TYPE (DECL));			 \
439 	 ASM_OUTPUT_SIZE_DIRECTIVE (FILE, name, size);			 \
440        }								 \
441    } while (0)
442 
443 #undef LOCAL_LABEL_PREFIX
444 #define LOCAL_LABEL_PREFIX ((mips_abi == ABI_32 || mips_abi == ABI_O64) \
445 			    ? "$" : ".")
446 
447 /* Profiling is supported via libprof1.a not -lc_p as in Irix 3.  */
448 /* ??? If no mabi=X option give, but a mipsX option is, then should depend
449    on the mipsX option.  */
450 #undef STARTFILE_SPEC
451 #define STARTFILE_SPEC \
452   "%{!shared: \
453      %{mabi=32:%{pg:gcrt1.o%s} \
454        %{!pg:%{p:mcrt1.o%s libprof1.a%s}%{!p:crt1.o%s}}} \
455      %{mabi=n32: \
456        %{mips4:%{pg:/usr/lib32/mips4/gcrt1.o%s} \
457          %{!pg:%{p:/usr/lib32/mips4/mcrt1.o%s /usr/lib32/mips4/libprof1.a%s} \
458            %{!p:/usr/lib32/mips4/crt1.o%s}}} \
459        %{!mips4:%{pg:/usr/lib32/mips3/gcrt1.o%s} \
460          %{!pg:%{p:/usr/lib32/mips3/mcrt1.o%s /usr/lib32/mips3/libprof1.a%s} \
461            %{!p:/usr/lib32/mips3/crt1.o%s}}}} \
462      %{mabi=64: \
463        %{mips4:%{pg:/usr/lib64/mips4/gcrt1.o} \
464          %{!pg:%{p:/usr/lib64/mips4/mcrt1.o /usr/lib64/mips4/libprof1.a} \
465            %{!p:/usr/lib64/mips4/crt1.o}}} \
466        %{!mips4:%{pg:/usr/lib64/mips3/gcrt1.o} \
467          %{!pg:%{p:/usr/lib64/mips3/mcrt1.o /usr/lib64/mips3/libprof1.a} \
468            %{!p:/usr/lib64/mips3/crt1.o}}}} \
469      %{!mabi*: \
470        %{mips4:%{pg:/usr/lib32/mips4/gcrt1.o%s} \
471          %{!pg:%{p:/usr/lib32/mips4/mcrt1.o%s /usr/lib32/mips4/libprof1.a%s} \
472            %{!p:/usr/lib32/mips4/crt1.o%s}}} \
473        %{!mips4:%{pg:/usr/lib32/mips3/gcrt1.o%s} \
474          %{!pg:%{p:/usr/lib32/mips3/mcrt1.o%s /usr/lib32/mips3/libprof1.a%s} \
475            %{!p:/usr/lib32/mips3/crt1.o%s}}}}} \
476    crtbegin.o%s"
477 
478 #undef LIB_SPEC
479 #define LIB_SPEC \
480   "%{mabi=n32: %{mips4:-L/usr/lib32/mips4} %{!mips4:-L/usr/lib32/mips3} \
481      -L/usr/lib32} \
482    %{mabi=64: %{mips4:-L/usr/lib64/mips4} %{!mips4:-L/usr/lib64/mips3} \
483      -L/usr/lib64} \
484    %{!mabi*: %{mips4:-L/usr/lib32/mips4} %{!mips4:-L/usr/lib32/mips3} \
485      -L/usr/lib32} \
486    %{!shared: \
487      -dont_warn_unused %{p:libprof1.a%s}%{pg:libprof1.a%s} -lc -warn_unused}"
488 
489 /* Avoid getting two warnings for libgcc.a everytime we link.  */
490 #undef LIBGCC_SPEC
491 #define LIBGCC_SPEC "-dont_warn_unused -lgcc -warn_unused"
492 
493 /* ??? If no mabi=X option give, but a mipsX option is, then should depend
494    on the mipsX option.  */
495 #undef ENDFILE_SPEC
496 #define ENDFILE_SPEC \
497   "crtend.o%s \
498    %{!shared: \
499      %{mabi=32:crtn.o%s}\
500      %{mabi=n32:%{mips4:/usr/lib32/mips4/crtn.o%s}\
501        %{!mips4:/usr/lib32/mips3/crtn.o%s}}\
502      %{mabi=64:%{mips4:/usr/lib64/mips4/crtn.o%s}\
503        %{!mips4:/usr/lib64/mips3/crtn.o%s}}\
504      %{!mabi*:%{mips4:/usr/lib32/mips4/crtn.o%s}\
505        %{!mips4:/usr/lib32/mips3/crtn.o%s}}}"
506 
507 /* ??? If no mabi=X option give, but a mipsX option is, then should depend
508    on the mipsX option.  */
509 #undef LINK_SPEC
510 #define LINK_SPEC "\
511 %{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} %{mips4} \
512 %{bestGnum} %{shared} %{non_shared} \
513 %{call_shared} %{no_archive} %{exact_version} %{w} \
514 %{!shared: %{!non_shared: %{!call_shared: -call_shared -no_unresolved}}} \
515 %{rpath} -init __do_global_ctors -fini __do_global_dtors \
516 %{shared:-hidden_symbol __do_global_ctors,__do_global_ctors_1,__do_global_dtors} \
517 -_SYSTYPE_SVR4 -woff 131 \
518 %{mabi=32: -32}%{mabi=n32: -n32}%{mabi=64: -64}%{!mabi*: -n32}"
519 
520 #define MIPS_TFMODE_FORMAT ibm_extended_format
521