summaryrefslogtreecommitdiff
path: root/gcc/config/rs6000/sysv4.h
blob: 04d988ebfe8989faa91d823611dc6be62522faa0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
/* Target definitions for GNU compiler for PowerPC running System V.4
   Copyright (C) 1995-2014 Free Software Foundation, Inc.
   Contributed by Cygnus Support.

   This file is part of GCC.

   GCC is free software; you can redistribute it and/or modify it
   under the terms of the GNU General Public License as published
   by the Free Software Foundation; either version 3, or (at your
   option) any later version.

   GCC is distributed in the hope that it will be useful, but WITHOUT
   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
   License for more details.

   Under Section 7 of GPL version 3, you are granted additional
   permissions described in the GCC Runtime Library Exception, version
   3.1, as published by the Free Software Foundation.

   You should have received a copy of the GNU General Public License and
   a copy of the GCC Runtime Library Exception along with this program;
   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
   <http://www.gnu.org/licenses/>.  */

/* Header files should be C++ aware in general.  */
#undef  NO_IMPLICIT_EXTERN_C
#define NO_IMPLICIT_EXTERN_C

/* Yes!  We are ELF.  */
#define	TARGET_OBJECT_FORMAT OBJECT_ELF

/* Default ABI to compile code for.  */
#define DEFAULT_ABI rs6000_current_abi

/* Default ABI to use.  */
#define RS6000_ABI_NAME "sysv"

/* Override rs6000.h definition.  */
#undef	ASM_DEFAULT_SPEC
#define	ASM_DEFAULT_SPEC "-mppc"

#define	TARGET_TOC		((rs6000_isa_flags & OPTION_MASK_64BIT)	\
				 || ((rs6000_isa_flags			\
				      & (OPTION_MASK_RELOCATABLE	\
					 | OPTION_MASK_MINIMAL_TOC))	\
				     && flag_pic > 1)			\
				 || DEFAULT_ABI != ABI_V4)

#define	TARGET_BITFIELD_TYPE	(! TARGET_NO_BITFIELD_TYPE)
#define	TARGET_BIG_ENDIAN	(! TARGET_LITTLE_ENDIAN)
#define	TARGET_PROTOTYPE	target_prototype
#define	TARGET_NO_PROTOTYPE	(! TARGET_PROTOTYPE)
#define	TARGET_NO_TOC		(! TARGET_TOC)
#define	TARGET_NO_EABI		(! TARGET_EABI)
#define	TARGET_REGNAMES		rs6000_regnames

#ifdef HAVE_AS_REL16
#undef TARGET_SECURE_PLT
#define TARGET_SECURE_PLT	secure_plt
#endif

#define SDATA_DEFAULT_SIZE 8

/* The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to
   get control in TARGET_OPTION_OVERRIDE.  */

#define SUBTARGET_OVERRIDE_OPTIONS					\
do {									\
  if (!global_options_set.x_g_switch_value)				\
    g_switch_value = SDATA_DEFAULT_SIZE;				\
									\
  if (rs6000_abi_name == NULL)						\
    rs6000_abi_name = RS6000_ABI_NAME;					\
									\
  if (!strcmp (rs6000_abi_name, "sysv"))				\
    rs6000_current_abi = ABI_V4;					\
  else if (!strcmp (rs6000_abi_name, "sysv-noeabi"))			\
    {									\
      rs6000_current_abi = ABI_V4;					\
      rs6000_isa_flags &= ~ OPTION_MASK_EABI;				\
    }									\
  else if (!strcmp (rs6000_abi_name, "sysv-eabi")			\
	   || !strcmp (rs6000_abi_name, "eabi"))			\
    {									\
      rs6000_current_abi = ABI_V4;					\
      rs6000_isa_flags |= OPTION_MASK_EABI;				\
    }									\
  else if (!strcmp (rs6000_abi_name, "aixdesc"))			\
    rs6000_current_abi = ABI_AIX;					\
  else if (!strcmp (rs6000_abi_name, "freebsd")				\
	   || !strcmp (rs6000_abi_name, "linux"))			\
    {									\
      if (TARGET_64BIT)							\
	rs6000_current_abi = ABI_AIX;					\
      else								\
	rs6000_current_abi = ABI_V4;					\
    }									\
  else if (!strcmp (rs6000_abi_name, "netbsd"))				\
    rs6000_current_abi = ABI_V4;					\
  else if (!strcmp (rs6000_abi_name, "openbsd"))			\
    rs6000_current_abi = ABI_V4;					\
  else if (!strcmp (rs6000_abi_name, "i960-old"))			\
    {									\
      rs6000_current_abi = ABI_V4;					\
      rs6000_isa_flags |= (OPTION_MASK_LITTLE_ENDIAN | OPTION_MASK_EABI); \
      rs6000_isa_flags &= ~OPTION_MASK_STRICT_ALIGN;			\
      TARGET_NO_BITFIELD_WORD = 1;					\
    }									\
  else									\
    {									\
      rs6000_current_abi = ABI_V4;					\
      error ("bad value for -mcall-%s", rs6000_abi_name);		\
    }									\
									\
  if (rs6000_sdata_name)						\
    {									\
      if (!strcmp (rs6000_sdata_name, "none"))				\
	rs6000_sdata = SDATA_NONE;					\
      else if (!strcmp (rs6000_sdata_name, "data"))			\
	rs6000_sdata = SDATA_DATA;					\
      else if (!strcmp (rs6000_sdata_name, "default"))			\
	rs6000_sdata = (TARGET_EABI) ? SDATA_EABI : SDATA_SYSV;		\
      else if (!strcmp (rs6000_sdata_name, "sysv"))			\
	rs6000_sdata = SDATA_SYSV;					\
      else if (!strcmp (rs6000_sdata_name, "eabi"))			\
	rs6000_sdata = SDATA_EABI;					\
      else								\
	error ("bad value for -msdata=%s", rs6000_sdata_name);		\
    }									\
  else if (DEFAULT_ABI == ABI_V4)					\
    {									\
      rs6000_sdata = SDATA_DATA;					\
      rs6000_sdata_name = "data";					\
    }									\
  else									\
    {									\
      rs6000_sdata = SDATA_NONE;					\
      rs6000_sdata_name = "none";					\
    }									\
									\
  if (TARGET_RELOCATABLE &&						\
      (rs6000_sdata == SDATA_EABI || rs6000_sdata == SDATA_SYSV))	\
    {									\
      rs6000_sdata = SDATA_DATA;					\
      error ("-mrelocatable and -msdata=%s are incompatible",		\
	     rs6000_sdata_name);					\
    }									\
									\
  else if (flag_pic && DEFAULT_ABI == ABI_V4				\
	   && (rs6000_sdata == SDATA_EABI				\
	       || rs6000_sdata == SDATA_SYSV))				\
    {									\
      rs6000_sdata = SDATA_DATA;					\
      error ("-f%s and -msdata=%s are incompatible",			\
	     (flag_pic > 1) ? "PIC" : "pic",				\
	     rs6000_sdata_name);					\
    }									\
									\
  if ((rs6000_sdata != SDATA_NONE && DEFAULT_ABI != ABI_V4)		\
      || (rs6000_sdata == SDATA_EABI && !TARGET_EABI))			\
    {									\
      rs6000_sdata = SDATA_NONE;					\
      error ("-msdata=%s and -mcall-%s are incompatible",		\
	     rs6000_sdata_name, rs6000_abi_name);			\
    }									\
									\
  targetm.have_srodata_section = rs6000_sdata == SDATA_EABI;		\
									\
  if (TARGET_RELOCATABLE && !TARGET_MINIMAL_TOC)			\
    {									\
      rs6000_isa_flags |= OPTION_MASK_MINIMAL_TOC;			\
      error ("-mrelocatable and -mno-minimal-toc are incompatible");	\
    }									\
									\
  if (TARGET_RELOCATABLE && rs6000_current_abi != ABI_V4)		\
    {									\
      rs6000_isa_flags &= ~OPTION_MASK_RELOCATABLE;			\
      error ("-mrelocatable and -mcall-%s are incompatible",		\
	     rs6000_abi_name);						\
    }									\
									\
  if (!TARGET_64BIT && flag_pic > 1 && rs6000_current_abi != ABI_V4)	\
    {									\
      flag_pic = 0;							\
      error ("-fPIC and -mcall-%s are incompatible",			\
	     rs6000_abi_name);						\
    }									\
									\
  if (TARGET_SECURE_PLT != secure_plt)					\
    {									\
      error ("-msecure-plt not supported by your assembler");		\
    }									\
									\
  /* Treat -fPIC the same as -mrelocatable.  */				\
  if (flag_pic > 1 && DEFAULT_ABI == ABI_V4)				\
    {									\
      rs6000_isa_flags |= OPTION_MASK_RELOCATABLE | OPTION_MASK_MINIMAL_TOC; \
      TARGET_NO_FP_IN_TOC = 1;						\
    }									\
									\
  else if (TARGET_RELOCATABLE)						\
    if (!flag_pic)							\
      flag_pic = 2;							\
} while (0)

#ifndef RS6000_BI_ARCH
# define SUBSUBTARGET_OVERRIDE_OPTIONS					\
do {									\
  if ((TARGET_DEFAULT ^ rs6000_isa_flags) & OPTION_MASK_64BIT)		\
    error ("-m%s not supported in this configuration",			\
	   (rs6000_isa_flags & OPTION_MASK_64BIT) ? "64" : "32");	\
} while (0)
#endif

/* Override rs6000.h definition.  */
#undef	TARGET_DEFAULT
#define	TARGET_DEFAULT 0

/* Override rs6000.h definition.  */
#undef	PROCESSOR_DEFAULT
#define	PROCESSOR_DEFAULT PROCESSOR_PPC750

#define FIXED_R2 1
/* System V.4 uses register 13 as a pointer to the small data area,
   so it is not available to the normal user.  */
#define FIXED_R13 1

/* Override default big endianism definitions in rs6000.h.  */
#undef	BYTES_BIG_ENDIAN
#undef	WORDS_BIG_ENDIAN
#define	BYTES_BIG_ENDIAN (TARGET_BIG_ENDIAN)
#define	WORDS_BIG_ENDIAN (TARGET_BIG_ENDIAN)

/* Put jump tables in read-only memory, rather than in .text.  */
#define JUMP_TABLES_IN_TEXT_SECTION 0

/* Prefix and suffix to use to saving floating point.  */
#define	SAVE_FP_PREFIX "_savefpr_"
#define SAVE_FP_SUFFIX ""

/* Prefix and suffix to use to restoring floating point.  */
#define	RESTORE_FP_PREFIX "_restfpr_"
#define RESTORE_FP_SUFFIX ""

/* Type used for size_t, as a string used in a declaration.  */
#undef  SIZE_TYPE
#define SIZE_TYPE "unsigned int"

/* Type used for ptrdiff_t, as a string used in a declaration.  */
#define PTRDIFF_TYPE "int"

#undef	WCHAR_TYPE
#define WCHAR_TYPE "long int"

#undef	WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 32

/* Make int foo : 8 not cause structures to be aligned to an int boundary.  */
/* Override elfos.h definition.  */
#undef	PCC_BITFIELD_TYPE_MATTERS
#define	PCC_BITFIELD_TYPE_MATTERS (TARGET_BITFIELD_TYPE)

#undef	BITFIELD_NBYTES_LIMITED
#define	BITFIELD_NBYTES_LIMITED (TARGET_NO_BITFIELD_WORD)

/* Define this macro to be the value 1 if instructions will fail to
   work if given data not on the nominal alignment.  If instructions
   will merely go slower in that case, define this macro as 0.  */
#undef	STRICT_ALIGNMENT
#define	STRICT_ALIGNMENT (TARGET_STRICT_ALIGN)

/* Define this macro if you wish to preserve a certain alignment for
   the stack pointer, greater than what the hardware enforces.  The
   definition is a C expression for the desired alignment (measured
   in bits).  This macro must evaluate to a value equal to or larger
   than STACK_BOUNDARY.
   For the SYSV ABI and variants the alignment of the stack pointer
   is usually controlled manually in rs6000.c. However, to maintain
   alignment across alloca () in all circumstances,
   PREFERRED_STACK_BOUNDARY needs to be set as well.
   This has the additional advantage of allowing a bigger maximum
   alignment of user objects on the stack.  */

#undef PREFERRED_STACK_BOUNDARY
#define PREFERRED_STACK_BOUNDARY 128

/* Real stack boundary as mandated by the appropriate ABI.  */
#define ABI_STACK_BOUNDARY \
  ((TARGET_EABI && !TARGET_ALTIVEC && !TARGET_ALTIVEC_ABI) ? 64 : 128)

/* An expression for the alignment of a structure field FIELD if the
   alignment computed in the usual way is COMPUTED.  */
#define ADJUST_FIELD_ALIGN(FIELD, COMPUTED)				      \
	((TARGET_ALTIVEC && TREE_CODE (TREE_TYPE (FIELD)) == VECTOR_TYPE)     \
	 ? 128 : COMPUTED)

#undef  BIGGEST_FIELD_ALIGNMENT

/* Use ELF style section commands.  */

#define	TEXT_SECTION_ASM_OP	"\t.section\t\".text\""

#define	DATA_SECTION_ASM_OP	"\t.section\t\".data\""

#define	BSS_SECTION_ASM_OP	"\t.section\t\".bss\""

/* Override elfos.h definition.  */
#undef	INIT_SECTION_ASM_OP
#define	INIT_SECTION_ASM_OP "\t.section\t\".init\",\"ax\""

/* Override elfos.h definition.  */
#undef	FINI_SECTION_ASM_OP
#define	FINI_SECTION_ASM_OP "\t.section\t\".fini\",\"ax\""

#define	TOC_SECTION_ASM_OP "\t.section\t\".got\",\"aw\""

/* Put PC relative got entries in .got2.  */
#define	MINIMAL_TOC_SECTION_ASM_OP \
  (TARGET_RELOCATABLE || (flag_pic && DEFAULT_ABI == ABI_V4)		\
   ? "\t.section\t\".got2\",\"aw\"" : "\t.section\t\".got1\",\"aw\"")

#define	SDATA_SECTION_ASM_OP "\t.section\t\".sdata\",\"aw\""
#define	SDATA2_SECTION_ASM_OP "\t.section\t\".sdata2\",\"a\""
#define	SBSS_SECTION_ASM_OP "\t.section\t\".sbss\",\"aw\",@nobits"

/* Override default elf definitions.  */
#define TARGET_ASM_INIT_SECTIONS rs6000_elf_asm_init_sections
#undef  TARGET_ASM_RELOC_RW_MASK
#define TARGET_ASM_RELOC_RW_MASK rs6000_elf_reloc_rw_mask
#undef	TARGET_ASM_SELECT_RTX_SECTION
#define	TARGET_ASM_SELECT_RTX_SECTION rs6000_elf_select_rtx_section

/* Return nonzero if this entry is to be written into the constant pool
   in a special way.  We do so if this is a SYMBOL_REF, LABEL_REF or a CONST
   containing one of them.  If -mfp-in-toc (the default), we also do
   this for floating-point constants.  We actually can only do this
   if the FP formats of the target and host machines are the same, but
   we can't check that since not every file that uses these target macros
   includes real.h.

   Unlike AIX, we don't key off of -mminimal-toc, but instead do not
   allow floating point constants in the TOC if -mrelocatable.  */

#undef	ASM_OUTPUT_SPECIAL_POOL_ENTRY_P
#define	ASM_OUTPUT_SPECIAL_POOL_ENTRY_P(X, MODE)			\
  (TARGET_TOC								\
   && (GET_CODE (X) == SYMBOL_REF					\
       || (GET_CODE (X) == CONST && GET_CODE (XEXP (X, 0)) == PLUS	\
	   && GET_CODE (XEXP (XEXP (X, 0), 0)) == SYMBOL_REF)		\
       || GET_CODE (X) == LABEL_REF					\
       || (GET_CODE (X) == CONST_INT 					\
	   && GET_MODE_BITSIZE (MODE) <= GET_MODE_BITSIZE (Pmode))	\
       || (!TARGET_NO_FP_IN_TOC						\
	   && !TARGET_RELOCATABLE					\
	   && GET_CODE (X) == CONST_DOUBLE				\
	   && SCALAR_FLOAT_MODE_P (GET_MODE (X))			\
	   && BITS_PER_WORD == HOST_BITS_PER_INT)))

/* These macros generate the special .type and .size directives which
   are used to set the corresponding fields of the linker symbol table
   entries in an ELF object file under SVR4.  These macros also output
   the starting labels for the relevant functions/objects.  */

/* Write the extra assembler code needed to declare a function properly.
   Some svr4 assemblers need to also have something extra said about the
   function's return value.  We allow for that here.  */

/* Override elfos.h definition.  */
#undef	ASM_DECLARE_FUNCTION_NAME
#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL)			\
  rs6000_elf_declare_function_name ((FILE), (NAME), (DECL))

/* The USER_LABEL_PREFIX stuff is affected by the -fleading-underscore
   flag.  The LOCAL_LABEL_PREFIX variable is used by dbxelf.h.  */

#define	LOCAL_LABEL_PREFIX "."
#define	USER_LABEL_PREFIX ""

#define	ASM_OUTPUT_INTERNAL_LABEL_PREFIX(FILE,PREFIX)	\
  asm_fprintf (FILE, "%L%s", PREFIX)

/* Globalizing directive for a label.  */
#define GLOBAL_ASM_OP "\t.globl "

/* This says how to output assembler code to declare an
   uninitialized internal linkage data object.  Under SVR4,
   the linker seems to want the alignment of data objects
   to depend on their types.  We do exactly that here.  */

#define	LOCAL_ASM_OP	"\t.local\t"

#define	LCOMM_ASM_OP	"\t.lcomm\t"

/* Describe how to emit uninitialized local items.  */
#define	ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN)	\
do {									\
  if ((DECL) && rs6000_elf_in_small_data_p (DECL))			\
    {									\
      switch_to_section (sbss_section);					\
      ASM_OUTPUT_ALIGN (FILE, exact_log2 (ALIGN / BITS_PER_UNIT));	\
      ASM_OUTPUT_LABEL (FILE, NAME);					\
      ASM_OUTPUT_SKIP (FILE, SIZE);					\
      if (!flag_inhibit_size_directive && (SIZE) > 0)			\
	ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, SIZE);			\
    }									\
  else									\
    {									\
      fprintf (FILE, "%s", LCOMM_ASM_OP);				\
      assemble_name ((FILE), (NAME));					\
      fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n",		\
	       (SIZE), (ALIGN) / BITS_PER_UNIT);			\
    }									\
  ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object");			\
} while (0)

/* Describe how to emit uninitialized external linkage items.  */
#define	ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN)		\
do {									\
  ASM_OUTPUT_ALIGNED_DECL_LOCAL (FILE, DECL, NAME, SIZE, ALIGN);	\
} while (0)

#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
/* To support -falign-* switches we need to use .p2align so
   that alignment directives in code sections will be padded
   with no-op instructions, rather than zeroes.  */
#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP)			\
  if ((LOG) != 0)							\
    {									\
      if ((MAX_SKIP) == 0)						\
	fprintf ((FILE), "\t.p2align %d\n", (LOG));			\
      else								\
	fprintf ((FILE), "\t.p2align %d,,%d\n",	(LOG), (MAX_SKIP));	\
    }
#endif

/* This is how to output code to push a register on the stack.
   It need not be very fast code.

   On the rs6000, we must keep the backchain up to date.  In order
   to simplify things, always allocate 16 bytes for a push (System V
   wants to keep stack aligned to a 16 byte boundary).  */

#define	ASM_OUTPUT_REG_PUSH(FILE, REGNO)				\
do {									\
  if (DEFAULT_ABI == ABI_V4)						\
    asm_fprintf (FILE,							\
		 "\tstwu %s,-16(%s)\n\tstw %s,12(%s)\n",	\
		 reg_names[1], reg_names[1], reg_names[REGNO],		\
		 reg_names[1]);						\
} while (0)

/* This is how to output an insn to pop a register from the stack.
   It need not be very fast code.  */

#define	ASM_OUTPUT_REG_POP(FILE, REGNO)					\
do {									\
  if (DEFAULT_ABI == ABI_V4)						\
    asm_fprintf (FILE,							\
		 "\tlwz %s,12(%s)\n\taddic %s,%s,16\n",	\
		 reg_names[REGNO], reg_names[1], reg_names[1],		\
		 reg_names[1]);						\
} while (0)

extern int fixuplabelno;

/* Handle constructors specially for -mrelocatable.  */
#define TARGET_ASM_CONSTRUCTOR  rs6000_elf_asm_out_constructor
#define TARGET_ASM_DESTRUCTOR   rs6000_elf_asm_out_destructor

/* This is the end of what might become sysv4.h.  */

/* Use DWARF 2 debugging information by default.  */
#undef  PREFERRED_DEBUGGING_TYPE
#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG

/* Historically we have also supported stabs debugging.  */
#define DBX_DEBUGGING_INFO 1

#define TARGET_ENCODE_SECTION_INFO  rs6000_elf_encode_section_info
#define TARGET_IN_SMALL_DATA_P  rs6000_elf_in_small_data_p

/* The ELF version doesn't encode [DS] or whatever at the end of symbols.  */

#define	RS6000_OUTPUT_BASENAME(FILE, NAME)	\
    assemble_name (FILE, NAME)

/* We have to output the stabs for the function name *first*, before
   outputting its label.  */

#define	DBX_FUNCTION_FIRST

/* This is the end of what might become sysv4dbx.h.  */

#define TARGET_OS_SYSV_CPP_BUILTINS()		\
  do						\
    {						\
      if (rs6000_isa_flags_explicit		\
	  & OPTION_MASK_RELOCATABLE)		\
	builtin_define ("_RELOCATABLE");	\
    }						\
  while (0)

#ifndef	TARGET_OS_CPP_BUILTINS
#define TARGET_OS_CPP_BUILTINS()		\
  do						\
    {						\
      builtin_define_std ("PPC");		\
      builtin_define_std ("unix");		\
      builtin_define ("__svr4__");		\
      builtin_assert ("system=unix");		\
      builtin_assert ("system=svr4");		\
      builtin_assert ("cpu=powerpc");		\
      builtin_assert ("machine=powerpc");	\
      TARGET_OS_SYSV_CPP_BUILTINS ();		\
    }						\
  while (0)
#endif

/* Select one of BIG_OPT, LITTLE_OPT or DEFAULT_OPT depending
   on various -mbig, -mlittle and -mcall- options.  */
#define ENDIAN_SELECT(BIG_OPT, LITTLE_OPT, DEFAULT_OPT)	\
"%{mlittle|mlittle-endian:"	LITTLE_OPT ";"	\
  "mbig|mbig-endian:"		BIG_OPT    ";"	\
  "mcall-aixdesc|mcall-freebsd|mcall-netbsd|"	\
  "mcall-openbsd|mcall-linux:"	BIG_OPT    ";"	\
  "mcall-i960-old:"		LITTLE_OPT ";"	\
  ":"				DEFAULT_OPT "}"

#define DEFAULT_ASM_ENDIAN " -mbig"

#undef	ASM_SPEC
#define	ASM_SPEC "%(asm_cpu) \
%{,assembler|,assembler-with-cpp: %{mregnames} %{mno-regnames}} \
%{mrelocatable} %{mrelocatable-lib} %{fpic|fpie|fPIC|fPIE:-K PIC} \
%{memb|msdata=eabi: -memb}" \
ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN)

#define	CC1_ENDIAN_BIG_SPEC ""

#define	CC1_ENDIAN_LITTLE_SPEC ""

#define	CC1_ENDIAN_DEFAULT_SPEC "%(cc1_endian_big)"

#ifndef CC1_SECURE_PLT_DEFAULT_SPEC
#define CC1_SECURE_PLT_DEFAULT_SPEC ""
#endif

/* Pass -G xxx to the compiler and set correct endian mode.  */
#define	CC1_SPEC "%{G*} %(cc1_cpu)" \
  ENDIAN_SELECT(" %(cc1_endian_big)", " %(cc1_endian_little)",	\
		" %(cc1_endian_default)")			\
"%{meabi: %{!mcall-*: -mcall-sysv }} \
%{!meabi: %{!mno-eabi: \
    %{mrelocatable: -meabi } \
    %{mcall-freebsd: -mno-eabi } \
    %{mcall-i960-old: -meabi } \
    %{mcall-linux: -mno-eabi } \
    %{mcall-netbsd: -mno-eabi } \
    %{mcall-openbsd: -mno-eabi }}} \
%{msdata: -msdata=default} \
%{mno-sdata: -msdata=none} \
%{!mbss-plt: %{!msecure-plt: %(cc1_secure_plt_default)}} \
%{profile: -p}"

/* Default starting address if specified.  */
#define LINK_START_SPEC "\
%{mads         : %(link_start_ads)         ; \
  myellowknife : %(link_start_yellowknife) ; \
  mmvme        : %(link_start_mvme)        ; \
  msim         : %(link_start_sim)         ; \
  mcall-freebsd: %(link_start_freebsd)     ; \
  mcall-linux  : %(link_start_linux)       ; \
  mcall-netbsd : %(link_start_netbsd)      ; \
  mcall-openbsd: %(link_start_openbsd)     ; \
               : %(link_start_default)     }"

#define LINK_START_DEFAULT_SPEC ""

#undef	LINK_SPEC
#define	LINK_SPEC "\
%{h*} %{v:-V} %{!msdata=none:%{G*}} %{msdata=none:-G0} \
%{R*} \
%(link_shlib) \
%{!T*: %(link_start) } \
%(link_target) \
%(link_os)"

/* Shared libraries are not default.  */
#define LINK_SHLIB_SPEC "\
%{!mshlib: %{!shared: %{!symbolic: -dn -Bstatic}}} \
%{static: } \
%{shared:-G -dy -z text } \
%{symbolic:-Bsymbolic -G -dy -z text }"

/* Override the default target of the linker.  */
#define	LINK_TARGET_SPEC \
  ENDIAN_SELECT("", " --oformat elf32-powerpcle", "")

/* Any specific OS flags.  */
#define LINK_OS_SPEC "\
%{mads         : %(link_os_ads)         ; \
  myellowknife : %(link_os_yellowknife) ; \
  mmvme        : %(link_os_mvme)        ; \
  msim         : %(link_os_sim)         ; \
  mcall-freebsd: %(link_os_freebsd)     ; \
  mcall-linux  : %(link_os_linux)       ; \
  mcall-netbsd : %(link_os_netbsd)      ; \
  mcall-openbsd: %(link_os_openbsd)     ; \
               : %(link_os_default)     }"

#define LINK_OS_DEFAULT_SPEC ""

#define DRIVER_SELF_SPECS "%{mfpu=none: %<mfpu=* \
 	%<msingle-float %<mdouble-float}"

/* Override rs6000.h definition.  */
#undef	CPP_SPEC
#define	CPP_SPEC "%{posix: -D_POSIX_SOURCE} \
%{mads         : %(cpp_os_ads)         ; \
  myellowknife : %(cpp_os_yellowknife) ; \
  mmvme        : %(cpp_os_mvme)        ; \
  msim         : %(cpp_os_sim)         ; \
  mcall-freebsd: %(cpp_os_freebsd)     ; \
  mcall-linux  : %(cpp_os_linux)       ; \
  mcall-netbsd : %(cpp_os_netbsd)      ; \
  mcall-openbsd: %(cpp_os_openbsd)     ; \
               : %(cpp_os_default)     }"

#define	CPP_OS_DEFAULT_SPEC ""

#undef	STARTFILE_SPEC
#define	STARTFILE_SPEC "\
%{mads         : %(startfile_ads)         ; \
  myellowknife : %(startfile_yellowknife) ; \
  mmvme        : %(startfile_mvme)        ; \
  msim         : %(startfile_sim)         ; \
  mcall-freebsd: %(startfile_freebsd)     ; \
  mcall-linux  : %(startfile_linux)       ; \
  mcall-netbsd : %(startfile_netbsd)      ; \
  mcall-openbsd: %(startfile_openbsd)     ; \
               : %(startfile_default)     }"

#define	STARTFILE_DEFAULT_SPEC "ecrti.o%s crtbegin.o%s"

#undef	LIB_SPEC
#define	LIB_SPEC "\
%{mads         : %(lib_ads)         ; \
  myellowknife : %(lib_yellowknife) ; \
  mmvme        : %(lib_mvme)        ; \
  msim         : %(lib_sim)         ; \
  mcall-freebsd: %(lib_freebsd)     ; \
  mcall-linux  : %(lib_linux)       ; \
  mcall-netbsd : %(lib_netbsd)      ; \
  mcall-openbsd: %(lib_openbsd)     ; \
               : %(lib_default)     }"

#define LIB_DEFAULT_SPEC "-lc"

#undef	ENDFILE_SPEC
#define	ENDFILE_SPEC "\
%{mads         : %(endfile_ads)         ; \
  myellowknife : %(endfile_yellowknife) ; \
  mmvme        : %(endfile_mvme)        ; \
  msim         : %(endfile_sim)         ; \
  mcall-freebsd: %(endfile_freebsd)     ; \
  mcall-linux  : %(endfile_linux)       ; \
  mcall-netbsd : %(endfile_netbsd)      ; \
  mcall-openbsd: %(endfile_openbsd)     ; \
               : %(crtsavres_default) %(endfile_default)     }"

#define CRTSAVRES_DEFAULT_SPEC ""

#define	ENDFILE_DEFAULT_SPEC "crtend.o%s ecrtn.o%s"

/* Motorola ADS support.  */
#define LIB_ADS_SPEC "--start-group -lads -lc --end-group"

#define	STARTFILE_ADS_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s"

#define	ENDFILE_ADS_SPEC "crtend.o%s ecrtn.o%s"

#define LINK_START_ADS_SPEC "-T ads.ld%s"

#define LINK_OS_ADS_SPEC ""

#define CPP_OS_ADS_SPEC ""

/* Motorola Yellowknife support.  */
#define LIB_YELLOWKNIFE_SPEC "--start-group -lyk -lc --end-group"

#define	STARTFILE_YELLOWKNIFE_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s"

#define	ENDFILE_YELLOWKNIFE_SPEC "crtend.o%s ecrtn.o%s"

#define LINK_START_YELLOWKNIFE_SPEC "-T yellowknife.ld%s"

#define LINK_OS_YELLOWKNIFE_SPEC ""

#define CPP_OS_YELLOWKNIFE_SPEC ""

/* Motorola MVME support.  */
#define LIB_MVME_SPEC "--start-group -lmvme -lc --end-group"

#define	STARTFILE_MVME_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s"

#define	ENDFILE_MVME_SPEC "crtend.o%s ecrtn.o%s"

#define LINK_START_MVME_SPEC "-Ttext 0x40000"

#define LINK_OS_MVME_SPEC ""

#define CPP_OS_MVME_SPEC ""

/* PowerPC simulator based on netbsd system calls support.  */
#define LIB_SIM_SPEC "--start-group -lsim -lc --end-group"

#define	STARTFILE_SIM_SPEC "ecrti.o%s sim-crt0.o%s crtbegin.o%s"

#define	ENDFILE_SIM_SPEC "crtend.o%s ecrtn.o%s"

#define LINK_START_SIM_SPEC ""

#define LINK_OS_SIM_SPEC "-m elf32ppcsim"

#define CPP_OS_SIM_SPEC ""

/* FreeBSD support.  */

#define CPP_OS_FREEBSD_SPEC	"\
  -D__PPC__ -D__ppc__ -D__PowerPC__ -D__powerpc__ \
  -Acpu=powerpc -Amachine=powerpc"

#define	STARTFILE_FREEBSD_SPEC	FBSD_STARTFILE_SPEC
#define ENDFILE_FREEBSD_SPEC	FBSD_ENDFILE_SPEC
#define LIB_FREEBSD_SPEC	FBSD_LIB_SPEC
#define LINK_START_FREEBSD_SPEC	""

#define LINK_OS_FREEBSD_SPEC "\
  %{p:%nconsider using '-pg' instead of '-p' with gprof(1)} \
  %{v:-V} \
  %{assert*} %{R*} %{rpath*} %{defsym*} \
  %{shared:-Bshareable %{h*} %{soname*}} \
  %{!shared: \
    %{!static: \
      %{rdynamic: -export-dynamic} \
      -dynamic-linker %(fbsd_dynamic_linker) } \
    %{static:-Bstatic}} \
  %{symbolic:-Bsymbolic}"

/* GNU/Linux support.  */
#define LIB_LINUX_SPEC "%{mnewlib: --start-group -llinux -lc --end-group } \
%{!mnewlib: %{pthread:-lpthread} %{shared:-lc} \
%{!shared: %{profile:-lc_p} %{!profile:-lc}}}"

#ifdef HAVE_LD_PIE
#define	STARTFILE_LINUX_SPEC "\
%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} \
%{mnewlib:ecrti.o%s;:crti.o%s} \
%{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
#else
#define	STARTFILE_LINUX_SPEC "\
%{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}} \
%{mnewlib:ecrti.o%s;:crti.o%s} \
%{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
#endif

#define	ENDFILE_LINUX_SPEC "\
%{shared|pie:crtendS.o%s;:crtend.o%s} \
%{mnewlib:ecrtn.o%s;:crtn.o%s}"

#define LINK_START_LINUX_SPEC ""

#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
#define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
#if DEFAULT_LIBC == LIBC_UCLIBC
#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}"
#elif !defined (DEFAULT_LIBC) || DEFAULT_LIBC == LIBC_GLIBC
#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}"
#else
#error "Unsupported DEFAULT_LIBC"
#endif
#define GNU_USER_DYNAMIC_LINKER \
  CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER)

#define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \
  %{rdynamic:-export-dynamic} \
  -dynamic-linker " GNU_USER_DYNAMIC_LINKER "}}"

#if defined(HAVE_LD_EH_FRAME_HDR)
# define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
#endif

#define CPP_OS_LINUX_SPEC "-D__unix__ -D__gnu_linux__ -D__linux__ \
%{!undef:							  \
  %{!ansi:							  \
    %{!std=*:-Dunix -D__unix -Dlinux -D__linux}			  \
    %{std=gnu*:-Dunix -D__unix -Dlinux -D__linux}}}		  \
-Asystem=linux -Asystem=unix -Asystem=posix %{pthread:-D_REENTRANT}"

/* NetBSD support.  */
#define LIB_NETBSD_SPEC "\
-lc"

#define	STARTFILE_NETBSD_SPEC "\
ncrti.o%s crt0.o%s \
%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"

#define ENDFILE_NETBSD_SPEC "\
%{!shared:crtend.o%s} %{shared:crtendS.o%s} \
ncrtn.o%s"

#define LINK_START_NETBSD_SPEC "\
"

#define LINK_OS_NETBSD_SPEC "\
%{!shared: %{!static: \
  %{rdynamic:-export-dynamic} \
  -dynamic-linker /usr/libexec/ld.elf_so}}"

#define CPP_OS_NETBSD_SPEC "\
-D__powerpc__ -D__NetBSD__ -D__KPRINTF_ATTRIBUTE__"

/* OpenBSD support.  */
#ifndef	LIB_OPENBSD_SPEC
#define LIB_OPENBSD_SPEC "%{!shared:%{pthread:-lpthread%{p:_p}%{!p:%{pg:_p}}}} %{!shared:-lc%{p:_p}%{!p:%{pg:_p}}}"
#endif

#ifndef	STARTFILE_OPENBSD_SPEC
#define	STARTFILE_OPENBSD_SPEC "\
%{!shared: %{pg:gcrt0.o%s} %{!pg:%{p:gcrt0.o%s} %{!p:crt0.o%s}}} \
%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
#endif

#ifndef	ENDFILE_OPENBSD_SPEC
#define	ENDFILE_OPENBSD_SPEC "\
%{!shared:crtend.o%s} %{shared:crtendS.o%s}"
#endif

#ifndef LINK_START_OPENBSD_SPEC
#define LINK_START_OPENBSD_SPEC "-Ttext 0x400074"
#endif

#ifndef LINK_OS_OPENBSD_SPEC
#define LINK_OS_OPENBSD_SPEC ""
#endif

#ifndef CPP_OS_OPENBSD_SPEC
#define CPP_OS_OPENBSD_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_POSIX_THREADS}"
#endif

/* Define any extra SPECS that the compiler needs to generate.  */
/* Override rs6000.h definition.  */
#undef	SUBTARGET_EXTRA_SPECS
#define	SUBTARGET_EXTRA_SPECS						\
  { "crtsavres_default",	CRTSAVRES_DEFAULT_SPEC },		\
  { "lib_ads",			LIB_ADS_SPEC },				\
  { "lib_yellowknife",		LIB_YELLOWKNIFE_SPEC },			\
  { "lib_mvme",			LIB_MVME_SPEC },			\
  { "lib_sim",			LIB_SIM_SPEC },				\
  { "lib_freebsd",		LIB_FREEBSD_SPEC },			\
  { "lib_linux",		LIB_LINUX_SPEC },			\
  { "lib_netbsd",		LIB_NETBSD_SPEC },			\
  { "lib_openbsd",		LIB_OPENBSD_SPEC },			\
  { "lib_default",		LIB_DEFAULT_SPEC },			\
  { "startfile_ads",		STARTFILE_ADS_SPEC },			\
  { "startfile_yellowknife",	STARTFILE_YELLOWKNIFE_SPEC },		\
  { "startfile_mvme",		STARTFILE_MVME_SPEC },			\
  { "startfile_sim",		STARTFILE_SIM_SPEC },			\
  { "startfile_freebsd",	STARTFILE_FREEBSD_SPEC },		\
  { "startfile_linux",		STARTFILE_LINUX_SPEC },			\
  { "startfile_netbsd",		STARTFILE_NETBSD_SPEC },		\
  { "startfile_openbsd",	STARTFILE_OPENBSD_SPEC },		\
  { "startfile_default",	STARTFILE_DEFAULT_SPEC },		\
  { "endfile_ads",		ENDFILE_ADS_SPEC },			\
  { "endfile_yellowknife",	ENDFILE_YELLOWKNIFE_SPEC },		\
  { "endfile_mvme",		ENDFILE_MVME_SPEC },			\
  { "endfile_sim",		ENDFILE_SIM_SPEC },			\
  { "endfile_freebsd",		ENDFILE_FREEBSD_SPEC },			\
  { "endfile_linux",		ENDFILE_LINUX_SPEC },			\
  { "endfile_netbsd",		ENDFILE_NETBSD_SPEC },			\
  { "endfile_openbsd",		ENDFILE_OPENBSD_SPEC },			\
  { "endfile_default",		ENDFILE_DEFAULT_SPEC },			\
  { "link_shlib",		LINK_SHLIB_SPEC },			\
  { "link_target",		LINK_TARGET_SPEC },			\
  { "link_start",		LINK_START_SPEC },			\
  { "link_start_ads",		LINK_START_ADS_SPEC },			\
  { "link_start_yellowknife",	LINK_START_YELLOWKNIFE_SPEC },		\
  { "link_start_mvme",		LINK_START_MVME_SPEC },			\
  { "link_start_sim",		LINK_START_SIM_SPEC },			\
  { "link_start_freebsd",	LINK_START_FREEBSD_SPEC },		\
  { "link_start_linux",		LINK_START_LINUX_SPEC },		\
  { "link_start_netbsd",	LINK_START_NETBSD_SPEC },		\
  { "link_start_openbsd",	LINK_START_OPENBSD_SPEC },		\
  { "link_start_default",	LINK_START_DEFAULT_SPEC },		\
  { "link_os",			LINK_OS_SPEC },				\
  { "link_os_ads",		LINK_OS_ADS_SPEC },			\
  { "link_os_yellowknife",	LINK_OS_YELLOWKNIFE_SPEC },		\
  { "link_os_mvme",		LINK_OS_MVME_SPEC },			\
  { "link_os_sim",		LINK_OS_SIM_SPEC },			\
  { "link_os_freebsd",		LINK_OS_FREEBSD_SPEC },			\
  { "link_os_linux",		LINK_OS_LINUX_SPEC },			\
  { "link_os_netbsd",		LINK_OS_NETBSD_SPEC },			\
  { "link_os_openbsd",		LINK_OS_OPENBSD_SPEC },			\
  { "link_os_default",		LINK_OS_DEFAULT_SPEC },			\
  { "cc1_endian_big",		CC1_ENDIAN_BIG_SPEC },			\
  { "cc1_endian_little",	CC1_ENDIAN_LITTLE_SPEC },		\
  { "cc1_endian_default",	CC1_ENDIAN_DEFAULT_SPEC },		\
  { "cc1_secure_plt_default",	CC1_SECURE_PLT_DEFAULT_SPEC },		\
  { "cpp_os_ads",		CPP_OS_ADS_SPEC },			\
  { "cpp_os_yellowknife",	CPP_OS_YELLOWKNIFE_SPEC },		\
  { "cpp_os_mvme",		CPP_OS_MVME_SPEC },			\
  { "cpp_os_sim",		CPP_OS_SIM_SPEC },			\
  { "cpp_os_freebsd",		CPP_OS_FREEBSD_SPEC },			\
  { "cpp_os_linux",		CPP_OS_LINUX_SPEC },			\
  { "cpp_os_netbsd",		CPP_OS_NETBSD_SPEC },			\
  { "cpp_os_openbsd",		CPP_OS_OPENBSD_SPEC },			\
  { "cpp_os_default",		CPP_OS_DEFAULT_SPEC },			\
  { "fbsd_dynamic_linker",	FBSD_DYNAMIC_LINKER },			\
  SUBSUBTARGET_EXTRA_SPECS

#define	SUBSUBTARGET_EXTRA_SPECS

/* Define this macro as a C expression for the initializer of an
   array of string to tell the driver program which options are
   defaults for this target and thus do not need to be handled
   specially when using `MULTILIB_OPTIONS'.

   Do not define this macro if `MULTILIB_OPTIONS' is not defined in
   the target makefile fragment or if none of the options listed in
   `MULTILIB_OPTIONS' are set by default.  *Note Target Fragment::.  */

#define	MULTILIB_DEFAULTS { "mbig", "mcall-sysv" }

/* Define this macro if the code for function profiling should come
   before the function prologue.  Normally, the profiling code comes
   after.  */
#define PROFILE_BEFORE_PROLOGUE 1

/* Function name to call to do profiling.  */
#define RS6000_MCOUNT "_mcount"

/* Select a format to encode pointers in exception handling data.  CODE
   is 0 for data, 1 for code labels, 2 for function pointers.  GLOBAL is
   true if the symbol may be affected by dynamic relocations.  */
#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL)			     \
  ((flag_pic || TARGET_RELOCATABLE)					     \
   ? (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel | DW_EH_PE_sdata4) \
   : DW_EH_PE_absptr)

#define DOUBLE_INT_ASM_OP "\t.quad\t"

/* Generate entries in .fixup for relocatable addresses.  */
#define RELOCATABLE_NEEDS_FIXUP 1

#define TARGET_ASM_FILE_END rs6000_elf_file_end

#undef TARGET_ASAN_SHADOW_OFFSET
#define TARGET_ASAN_SHADOW_OFFSET rs6000_asan_shadow_offset

/* This target uses the sysv4.opt file.  */
#define TARGET_USES_SYSV4_OPT 1

#undef DBX_REGISTER_NUMBER