]> git.ipfire.org Git - thirdparty/gcc.git/blob - gcc/config/rs6000/sysv4.h
projects / thirdparty / gcc.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
[thirdparty/gcc.git] / gcc / config / rs6000 / sysv4.h
1 /* Target definitions for GNU compiler for PowerPC running System V.4
2 Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
3 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
4 Contributed by Cygnus Support.
5
6 This file is part of GCC.
7
8 GCC is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published
10 by the Free Software Foundation; either version 3, or (at your
11 option) any later version.
12
13 GCC is distributed in the hope that it will be useful, but WITHOUT
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
16 License for more details.
17
18 Under Section 7 of GPL version 3, you are granted additional
19 permissions described in the GCC Runtime Library Exception, version
20 3.1, as published by the Free Software Foundation.
21
22 You should have received a copy of the GNU General Public License and
23 a copy of the GCC Runtime Library Exception along with this program;
24 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
25 <http://www.gnu.org/licenses/>. */
26
27 /* Header files should be C++ aware in general. */
28 #undef NO_IMPLICIT_EXTERN_C
29 #define NO_IMPLICIT_EXTERN_C
30
31 /* Yes! We are ELF. */
32 #define TARGET_OBJECT_FORMAT OBJECT_ELF
33
34 /* Default ABI to compile code for. */
35 #define DEFAULT_ABI rs6000_current_abi
36
37 /* Default ABI to use. */
38 #define RS6000_ABI_NAME "sysv"
39
40 /* Override rs6000.h definition. */
41 #undef ASM_DEFAULT_SPEC
42 #define ASM_DEFAULT_SPEC "-mppc"
43
44 /* Small data support types. */
45 enum rs6000_sdata_type {
46 SDATA_NONE, /* No small data support. */
47 SDATA_DATA, /* Just put data in .sbss/.sdata, don't use relocs. */
48 SDATA_SYSV, /* Use r13 to point to .sdata/.sbss. */
49 SDATA_EABI /* Use r13 like above, r2 points to .sdata2/.sbss2. */
50 };
51
52 extern enum rs6000_sdata_type rs6000_sdata;
53
54 #define TARGET_TOC ((target_flags & MASK_64BIT) \
55 || ((target_flags & (MASK_RELOCATABLE \
56 | MASK_MINIMAL_TOC)) \
57 && flag_pic > 1) \
58 || DEFAULT_ABI == ABI_AIX)
59
60 #define TARGET_BITFIELD_TYPE (! TARGET_NO_BITFIELD_TYPE)
61 #define TARGET_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN)
62 #define TARGET_PROTOTYPE target_prototype
63 #define TARGET_NO_PROTOTYPE (! TARGET_PROTOTYPE)
64 #define TARGET_NO_TOC (! TARGET_TOC)
65 #define TARGET_NO_EABI (! TARGET_EABI)
66
67 #ifdef HAVE_AS_REL16
68 #undef TARGET_SECURE_PLT
69 #define TARGET_SECURE_PLT secure_plt
70 #endif
71
72 extern const char *rs6000_abi_name;
73 extern const char *rs6000_sdata_name;
74 extern const char *rs6000_tls_size_string; /* For -mtls-size= */
75
76 #define SDATA_DEFAULT_SIZE 8
77
78 /* Sometimes certain combinations of command options do not make sense
79 on a particular target machine. You can define a macro
80 `OVERRIDE_OPTIONS' to take account of this. This macro, if
81 defined, is executed once just after all the command options have
82 been parsed.
83
84 The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to
85 get control. */
86
87 #define SUBTARGET_OVERRIDE_OPTIONS \
88 do { \
89 if (!g_switch_set) \
90 g_switch_value = SDATA_DEFAULT_SIZE; \
91 \
92 if (rs6000_abi_name == NULL) \
93 rs6000_abi_name = RS6000_ABI_NAME; \
94 \
95 if (!strcmp (rs6000_abi_name, "sysv")) \
96 rs6000_current_abi = ABI_V4; \
97 else if (!strcmp (rs6000_abi_name, "sysv-noeabi")) \
98 { \
99 rs6000_current_abi = ABI_V4; \
100 target_flags &= ~ MASK_EABI; \
101 } \
102 else if (!strcmp (rs6000_abi_name, "sysv-eabi") \
103 || !strcmp (rs6000_abi_name, "eabi")) \
104 { \
105 rs6000_current_abi = ABI_V4; \
106 target_flags |= MASK_EABI; \
107 } \
108 else if (!strcmp (rs6000_abi_name, "aixdesc")) \
109 rs6000_current_abi = ABI_AIX; \
110 else if (!strcmp (rs6000_abi_name, "freebsd")) \
111 rs6000_current_abi = ABI_V4; \
112 else if (!strcmp (rs6000_abi_name, "linux")) \
113 { \
114 if (TARGET_64BIT) \
115 rs6000_current_abi = ABI_AIX; \
116 else \
117 rs6000_current_abi = ABI_V4; \
118 } \
119 else if (!strcmp (rs6000_abi_name, "gnu")) \
120 rs6000_current_abi = ABI_V4; \
121 else if (!strcmp (rs6000_abi_name, "netbsd")) \
122 rs6000_current_abi = ABI_V4; \
123 else if (!strcmp (rs6000_abi_name, "openbsd")) \
124 rs6000_current_abi = ABI_V4; \
125 else if (!strcmp (rs6000_abi_name, "i960-old")) \
126 { \
127 rs6000_current_abi = ABI_V4; \
128 target_flags |= (MASK_LITTLE_ENDIAN | MASK_EABI \
129 | MASK_NO_BITFIELD_WORD); \
130 target_flags &= ~MASK_STRICT_ALIGN; \
131 } \
132 else \
133 { \
134 rs6000_current_abi = ABI_V4; \
135 error ("bad value for -mcall-%s", rs6000_abi_name); \
136 } \
137 \
138 if (rs6000_sdata_name) \
139 { \
140 if (!strcmp (rs6000_sdata_name, "none")) \
141 rs6000_sdata = SDATA_NONE; \
142 else if (!strcmp (rs6000_sdata_name, "data")) \
143 rs6000_sdata = SDATA_DATA; \
144 else if (!strcmp (rs6000_sdata_name, "default")) \
145 rs6000_sdata = (TARGET_EABI) ? SDATA_EABI : SDATA_SYSV; \
146 else if (!strcmp (rs6000_sdata_name, "sysv")) \
147 rs6000_sdata = SDATA_SYSV; \
148 else if (!strcmp (rs6000_sdata_name, "eabi")) \
149 rs6000_sdata = SDATA_EABI; \
150 else \
151 error ("bad value for -msdata=%s", rs6000_sdata_name); \
152 } \
153 else if (DEFAULT_ABI == ABI_V4) \
154 { \
155 rs6000_sdata = SDATA_DATA; \
156 rs6000_sdata_name = "data"; \
157 } \
158 else \
159 { \
160 rs6000_sdata = SDATA_NONE; \
161 rs6000_sdata_name = "none"; \
162 } \
163 \
164 if (TARGET_RELOCATABLE && \
165 (rs6000_sdata == SDATA_EABI || rs6000_sdata == SDATA_SYSV)) \
166 { \
167 rs6000_sdata = SDATA_DATA; \
168 error ("-mrelocatable and -msdata=%s are incompatible", \
169 rs6000_sdata_name); \
170 } \
171 \
172 else if (flag_pic && DEFAULT_ABI != ABI_AIX \
173 && (rs6000_sdata == SDATA_EABI \
174 || rs6000_sdata == SDATA_SYSV)) \
175 { \
176 rs6000_sdata = SDATA_DATA; \
177 error ("-f%s and -msdata=%s are incompatible", \
178 (flag_pic > 1) ? "PIC" : "pic", \
179 rs6000_sdata_name); \
180 } \
181 \
182 if ((rs6000_sdata != SDATA_NONE && DEFAULT_ABI != ABI_V4) \
183 || (rs6000_sdata == SDATA_EABI && !TARGET_EABI)) \
184 { \
185 rs6000_sdata = SDATA_NONE; \
186 error ("-msdata=%s and -mcall-%s are incompatible", \
187 rs6000_sdata_name, rs6000_abi_name); \
188 } \
189 \
190 targetm.have_srodata_section = rs6000_sdata == SDATA_EABI; \
191 \
192 if (TARGET_RELOCATABLE && !TARGET_MINIMAL_TOC) \
193 { \
194 target_flags |= MASK_MINIMAL_TOC; \
195 error ("-mrelocatable and -mno-minimal-toc are incompatible"); \
196 } \
197 \
198 if (TARGET_RELOCATABLE && rs6000_current_abi == ABI_AIX) \
199 { \
200 target_flags &= ~MASK_RELOCATABLE; \
201 error ("-mrelocatable and -mcall-%s are incompatible", \
202 rs6000_abi_name); \
203 } \
204 \
205 if (!TARGET_64BIT && flag_pic > 1 && rs6000_current_abi == ABI_AIX) \
206 { \
207 flag_pic = 0; \
208 error ("-fPIC and -mcall-%s are incompatible", \
209 rs6000_abi_name); \
210 } \
211 \
212 if (rs6000_current_abi == ABI_AIX && TARGET_LITTLE_ENDIAN) \
213 { \
214 target_flags &= ~MASK_LITTLE_ENDIAN; \
215 error ("-mcall-aixdesc must be big endian"); \
216 } \
217 \
218 if (TARGET_SECURE_PLT != secure_plt) \
219 { \
220 error ("-msecure-plt not supported by your assembler"); \
221 } \
222 \
223 /* Treat -fPIC the same as -mrelocatable. */ \
224 if (flag_pic > 1 && DEFAULT_ABI != ABI_AIX) \
225 { \
226 target_flags |= MASK_RELOCATABLE | MASK_MINIMAL_TOC; \
227 TARGET_NO_FP_IN_TOC = 1; \
228 } \
229 \
230 else if (TARGET_RELOCATABLE) \
231 flag_pic = 2; \
232 } while (0)
233
234 #ifndef RS6000_BI_ARCH
235 # define SUBSUBTARGET_OVERRIDE_OPTIONS \
236 do { \
237 if ((TARGET_DEFAULT ^ target_flags) & MASK_64BIT) \
238 error ("-m%s not supported in this configuration", \
239 (target_flags & MASK_64BIT) ? "64" : "32"); \
240 } while (0)
241 #endif
242
243 /* Override rs6000.h definition. */
244 #undef TARGET_DEFAULT
245 #define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS)
246
247 /* Override rs6000.h definition. */
248 #undef PROCESSOR_DEFAULT
249 #define PROCESSOR_DEFAULT PROCESSOR_PPC750
250
251 /* SVR4 only defined for PowerPC, so short-circuit POWER patterns. */
252 #undef TARGET_POWER
253 #define TARGET_POWER 0
254
255 #define FIXED_R2 1
256 /* System V.4 uses register 13 as a pointer to the small data area,
257 so it is not available to the normal user. */
258 #define FIXED_R13 1
259
260 /* Override default big endianism definitions in rs6000.h. */
261 #undef BYTES_BIG_ENDIAN
262 #undef WORDS_BIG_ENDIAN
263 #define BYTES_BIG_ENDIAN (TARGET_BIG_ENDIAN)
264 #define WORDS_BIG_ENDIAN (TARGET_BIG_ENDIAN)
265
266 /* Define this to set the endianness to use in libgcc2.c, which can
267 not depend on target_flags. */
268 #if !defined(__LITTLE_ENDIAN__) && !defined(__sun__)
269 #define LIBGCC2_WORDS_BIG_ENDIAN 1
270 #else
271 #define LIBGCC2_WORDS_BIG_ENDIAN 0
272 #endif
273
274 /* Define cutoff for using external functions to save floating point.
275 Currently on 64-bit V.4, always use inline stores. When optimizing
276 for size on 32-bit targets, use external functions when
277 profitable. */
278 #define FP_SAVE_INLINE(FIRST_REG) (optimize_size && !TARGET_64BIT \
279 ? ((FIRST_REG) == 62 \
280 || (FIRST_REG) == 63) \
281 : (FIRST_REG) < 64)
282 /* And similarly for general purpose registers. */
283 #define GP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) < 32 \
284 && (TARGET_64BIT || !optimize_size))
285
286 /* Put jump tables in read-only memory, rather than in .text. */
287 #define JUMP_TABLES_IN_TEXT_SECTION 0
288
289 /* Prefix and suffix to use to saving floating point. */
290 #define SAVE_FP_PREFIX "_savefpr_"
291 #define SAVE_FP_SUFFIX (TARGET_64BIT ? "_l" : "")
292
293 /* Prefix and suffix to use to restoring floating point. */
294 #define RESTORE_FP_PREFIX "_restfpr_"
295 #define RESTORE_FP_SUFFIX (TARGET_64BIT ? "_l" : "")
296
297 /* Type used for ptrdiff_t, as a string used in a declaration. */
298 #define PTRDIFF_TYPE "int"
299
300 /* Type used for wchar_t, as a string used in a declaration. */
301 /* Override svr4.h definition. */
302 #undef WCHAR_TYPE
303 #define WCHAR_TYPE "long int"
304
305 /* Width of wchar_t in bits. */
306 /* Override svr4.h definition. */
307 #undef WCHAR_TYPE_SIZE
308 #define WCHAR_TYPE_SIZE 32
309
310 /* Make int foo : 8 not cause structures to be aligned to an int boundary. */
311 /* Override elfos.h definition. */
312 #undef PCC_BITFIELD_TYPE_MATTERS
313 #define PCC_BITFIELD_TYPE_MATTERS (TARGET_BITFIELD_TYPE)
314
315 #undef BITFIELD_NBYTES_LIMITED
316 #define BITFIELD_NBYTES_LIMITED (TARGET_NO_BITFIELD_WORD)
317
318 /* Define this macro to be the value 1 if instructions will fail to
319 work if given data not on the nominal alignment. If instructions
320 will merely go slower in that case, define this macro as 0. */
321 #undef STRICT_ALIGNMENT
322 #define STRICT_ALIGNMENT (TARGET_STRICT_ALIGN)
323
324 /* Define this macro if you wish to preserve a certain alignment for
325 the stack pointer, greater than what the hardware enforces. The
326 definition is a C expression for the desired alignment (measured
327 in bits). This macro must evaluate to a value equal to or larger
328 than STACK_BOUNDARY.
329 For the SYSV ABI and variants the alignment of the stack pointer
330 is usually controlled manually in rs6000.c. However, to maintain
331 alignment across alloca () in all circumstances,
332 PREFERRED_STACK_BOUNDARY needs to be set as well.
333 This has the additional advantage of allowing a bigger maximum
334 alignment of user objects on the stack. */
335
336 #undef PREFERRED_STACK_BOUNDARY
337 #define PREFERRED_STACK_BOUNDARY 128
338
339 /* Real stack boundary as mandated by the appropriate ABI. */
340 #define ABI_STACK_BOUNDARY \
341 ((TARGET_EABI && !TARGET_ALTIVEC && !TARGET_ALTIVEC_ABI) ? 64 : 128)
342
343 /* An expression for the alignment of a structure field FIELD if the
344 alignment computed in the usual way is COMPUTED. */
345 #define ADJUST_FIELD_ALIGN(FIELD, COMPUTED) \
346 ((TARGET_ALTIVEC && TREE_CODE (TREE_TYPE (FIELD)) == VECTOR_TYPE) \
347 ? 128 : COMPUTED)
348
349 #undef BIGGEST_FIELD_ALIGNMENT
350
351 /* Use ELF style section commands. */
352
353 #define TEXT_SECTION_ASM_OP "\t.section\t\".text\""
354
355 #define DATA_SECTION_ASM_OP "\t.section\t\".data\""
356
357 #define BSS_SECTION_ASM_OP "\t.section\t\".bss\""
358
359 /* Override elfos.h definition. */
360 #undef INIT_SECTION_ASM_OP
361 #define INIT_SECTION_ASM_OP "\t.section\t\".init\",\"ax\""
362
363 /* Override elfos.h definition. */
364 #undef FINI_SECTION_ASM_OP
365 #define FINI_SECTION_ASM_OP "\t.section\t\".fini\",\"ax\""
366
367 #define TOC_SECTION_ASM_OP "\t.section\t\".got\",\"aw\""
368
369 /* Put PC relative got entries in .got2. */
370 #define MINIMAL_TOC_SECTION_ASM_OP \
371 (TARGET_RELOCATABLE || (flag_pic && DEFAULT_ABI != ABI_AIX) \
372 ? "\t.section\t\".got2\",\"aw\"" : "\t.section\t\".got1\",\"aw\"")
373
374 #define SDATA_SECTION_ASM_OP "\t.section\t\".sdata\",\"aw\""
375 #define SDATA2_SECTION_ASM_OP "\t.section\t\".sdata2\",\"a\""
376 #define SBSS_SECTION_ASM_OP "\t.section\t\".sbss\",\"aw\",@nobits"
377
378 /* Override default elf definitions. */
379 #define TARGET_ASM_INIT_SECTIONS rs6000_elf_asm_init_sections
380 #undef TARGET_ASM_RELOC_RW_MASK
381 #define TARGET_ASM_RELOC_RW_MASK rs6000_elf_reloc_rw_mask
382 #undef TARGET_ASM_SELECT_RTX_SECTION
383 #define TARGET_ASM_SELECT_RTX_SECTION rs6000_elf_select_rtx_section
384
385 /* Return nonzero if this entry is to be written into the constant pool
386 in a special way. We do so if this is a SYMBOL_REF, LABEL_REF or a CONST
387 containing one of them. If -mfp-in-toc (the default), we also do
388 this for floating-point constants. We actually can only do this
389 if the FP formats of the target and host machines are the same, but
390 we can't check that since not every file that uses these target macros
391 includes real.h.
392
393 Unlike AIX, we don't key off of -mminimal-toc, but instead do not
394 allow floating point constants in the TOC if -mrelocatable. */
395
396 #undef ASM_OUTPUT_SPECIAL_POOL_ENTRY_P
397 #define ASM_OUTPUT_SPECIAL_POOL_ENTRY_P(X, MODE) \
398 (TARGET_TOC \
399 && (GET_CODE (X) == SYMBOL_REF \
400 || (GET_CODE (X) == CONST && GET_CODE (XEXP (X, 0)) == PLUS \
401 && GET_CODE (XEXP (XEXP (X, 0), 0)) == SYMBOL_REF) \
402 || GET_CODE (X) == LABEL_REF \
403 || (GET_CODE (X) == CONST_INT \
404 && GET_MODE_BITSIZE (MODE) <= GET_MODE_BITSIZE (Pmode)) \
405 || (!TARGET_NO_FP_IN_TOC \
406 && !TARGET_RELOCATABLE \
407 && GET_CODE (X) == CONST_DOUBLE \
408 && SCALAR_FLOAT_MODE_P (GET_MODE (X)) \
409 && BITS_PER_WORD == HOST_BITS_PER_INT)))
410
411 /* These macros generate the special .type and .size directives which
412 are used to set the corresponding fields of the linker symbol table
413 entries in an ELF object file under SVR4. These macros also output
414 the starting labels for the relevant functions/objects. */
415
416 /* Write the extra assembler code needed to declare a function properly.
417 Some svr4 assemblers need to also have something extra said about the
418 function's return value. We allow for that here. */
419
420 extern int rs6000_pic_labelno;
421
422 /* Override elfos.h definition. */
423 #undef ASM_DECLARE_FUNCTION_NAME
424 #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
425 rs6000_elf_declare_function_name ((FILE), (NAME), (DECL))
426
427 /* The USER_LABEL_PREFIX stuff is affected by the -fleading-underscore
428 flag. The LOCAL_LABEL_PREFIX variable is used by dbxelf.h. */
429
430 #define LOCAL_LABEL_PREFIX "."
431 #define USER_LABEL_PREFIX ""
432
433 /* svr4.h overrides (*targetm.asm_out.internal_label). */
434
435 #define ASM_OUTPUT_INTERNAL_LABEL_PREFIX(FILE,PREFIX) \
436 asm_fprintf (FILE, "%L%s", PREFIX)
437
438 /* Globalizing directive for a label. */
439 #define GLOBAL_ASM_OP "\t.globl "
440
441 /* This says how to output assembler code to declare an
442 uninitialized internal linkage data object. Under SVR4,
443 the linker seems to want the alignment of data objects
444 to depend on their types. We do exactly that here. */
445
446 #define LOCAL_ASM_OP "\t.local\t"
447
448 #define LCOMM_ASM_OP "\t.lcomm\t"
449
450 /* Describe how to emit uninitialized local items. */
451 #define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \
452 do { \
453 if ((DECL) && rs6000_elf_in_small_data_p (DECL)) \
454 { \
455 switch_to_section (sbss_section); \
456 ASM_OUTPUT_ALIGN (FILE, exact_log2 (ALIGN / BITS_PER_UNIT)); \
457 ASM_OUTPUT_LABEL (FILE, NAME); \
458 ASM_OUTPUT_SKIP (FILE, SIZE); \
459 if (!flag_inhibit_size_directive && (SIZE) > 0) \
460 ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, SIZE); \
461 } \
462 else \
463 { \
464 fprintf (FILE, "%s", LCOMM_ASM_OP); \
465 assemble_name ((FILE), (NAME)); \
466 fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \
467 (SIZE), (ALIGN) / BITS_PER_UNIT); \
468 } \
469 ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \
470 } while (0)
471
472 /* Describe how to emit uninitialized external linkage items. */
473 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
474 do { \
475 ASM_OUTPUT_ALIGNED_DECL_LOCAL (FILE, DECL, NAME, SIZE, ALIGN); \
476 } while (0)
477
478 #ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
479 /* To support -falign-* switches we need to use .p2align so
480 that alignment directives in code sections will be padded
481 with no-op instructions, rather than zeroes. */
482 #define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
483 if ((LOG) != 0) \
484 { \
485 if ((MAX_SKIP) == 0) \
486 fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
487 else \
488 fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
489 }
490 #endif
491
492 /* This is how to output code to push a register on the stack.
493 It need not be very fast code.
494
495 On the rs6000, we must keep the backchain up to date. In order
496 to simplify things, always allocate 16 bytes for a push (System V
497 wants to keep stack aligned to a 16 byte boundary). */
498
499 #define ASM_OUTPUT_REG_PUSH(FILE, REGNO) \
500 do { \
501 if (DEFAULT_ABI == ABI_V4) \
502 asm_fprintf (FILE, \
503 "\t{stu|stwu} %s,-16(%s)\n\t{st|stw} %s,12(%s)\n", \
504 reg_names[1], reg_names[1], reg_names[REGNO], \
505 reg_names[1]); \
506 } while (0)
507
508 /* This is how to output an insn to pop a register from the stack.
509 It need not be very fast code. */
510
511 #define ASM_OUTPUT_REG_POP(FILE, REGNO) \
512 do { \
513 if (DEFAULT_ABI == ABI_V4) \
514 asm_fprintf (FILE, \
515 "\t{l|lwz} %s,12(%s)\n\t{ai|addic} %s,%s,16\n", \
516 reg_names[REGNO], reg_names[1], reg_names[1], \
517 reg_names[1]); \
518 } while (0)
519
520 /* Switch Recognition by gcc.c. Add -G xx support. */
521
522 /* Override svr4.h definition. */
523 #undef SWITCH_TAKES_ARG
524 #define SWITCH_TAKES_ARG(CHAR) \
525 ((CHAR) == 'D' || (CHAR) == 'U' || (CHAR) == 'o' \
526 || (CHAR) == 'e' || (CHAR) == 'T' || (CHAR) == 'u' \
527 || (CHAR) == 'I' || (CHAR) == 'm' || (CHAR) == 'x' \
528 || (CHAR) == 'L' || (CHAR) == 'A' || (CHAR) == 'V' \
529 || (CHAR) == 'B' || (CHAR) == 'b' || (CHAR) == 'G')
530
531 extern int fixuplabelno;
532
533 /* Handle constructors specially for -mrelocatable. */
534 #define TARGET_ASM_CONSTRUCTOR rs6000_elf_asm_out_constructor
535 #define TARGET_ASM_DESTRUCTOR rs6000_elf_asm_out_destructor
536
537 /* This is the end of what might become sysv4.h. */
538
539 /* Use DWARF 2 debugging information by default. */
540 #undef PREFERRED_DEBUGGING_TYPE
541 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
542
543 /* Historically we have also supported stabs debugging. */
544 #define DBX_DEBUGGING_INFO 1
545
546 #define TARGET_ENCODE_SECTION_INFO rs6000_elf_encode_section_info
547 #define TARGET_IN_SMALL_DATA_P rs6000_elf_in_small_data_p
548
549 /* The ELF version doesn't encode [DS] or whatever at the end of symbols. */
550
551 #define RS6000_OUTPUT_BASENAME(FILE, NAME) \
552 assemble_name (FILE, NAME)
553
554 /* We have to output the stabs for the function name *first*, before
555 outputting its label. */
556
557 #define DBX_FUNCTION_FIRST
558
559 /* This is the end of what might become sysv4dbx.h. */
560
561 #ifndef TARGET_VERSION
562 #define TARGET_VERSION fprintf (stderr, " (PowerPC System V.4)");
563 #endif
564 \f
565 #define TARGET_OS_SYSV_CPP_BUILTINS() \
566 do \
567 { \
568 if (target_flags_explicit \
569 & MASK_RELOCATABLE) \
570 builtin_define ("_RELOCATABLE"); \
571 } \
572 while (0)
573
574 #ifndef TARGET_OS_CPP_BUILTINS
575 #define TARGET_OS_CPP_BUILTINS() \
576 do \
577 { \
578 builtin_define_std ("PPC"); \
579 builtin_define_std ("unix"); \
580 builtin_define ("__svr4__"); \
581 builtin_assert ("system=unix"); \
582 builtin_assert ("system=svr4"); \
583 builtin_assert ("cpu=powerpc"); \
584 builtin_assert ("machine=powerpc"); \
585 TARGET_OS_SYSV_CPP_BUILTINS (); \
586 } \
587 while (0)
588 #endif
589
590 /* Pass various options to the assembler. */
591 /* Override svr4.h definition. */
592 #undef ASM_SPEC
593 #define ASM_SPEC "%(asm_cpu) \
594 %{,assembler|,assembler-with-cpp: %{mregnames} %{mno-regnames}}" \
595 SVR4_ASM_SPEC \
596 "%{mrelocatable} %{mrelocatable-lib} %{fpic|fpie|fPIC|fPIE:-K PIC} \
597 %{memb|msdata=eabi: -memb} \
598 %{mlittle|mlittle-endian:-mlittle; \
599 mbig|mbig-endian :-mbig; \
600 mcall-aixdesc | \
601 mcall-freebsd | \
602 mcall-netbsd | \
603 mcall-openbsd | \
604 mcall-linux | \
605 mcall-gnu :-mbig; \
606 mcall-i960-old :-mlittle}"
607
608 #define CC1_ENDIAN_BIG_SPEC ""
609
610 #define CC1_ENDIAN_LITTLE_SPEC "\
611 %{!mstrict-align: %{!mno-strict-align: \
612 %{!mcall-i960-old: \
613 -mstrict-align \
614 } \
615 }}"
616
617 #define CC1_ENDIAN_DEFAULT_SPEC "%(cc1_endian_big)"
618
619 #ifndef CC1_SECURE_PLT_DEFAULT_SPEC
620 #define CC1_SECURE_PLT_DEFAULT_SPEC ""
621 #endif
622
623 /* Pass -G xxx to the compiler and set correct endian mode. */
624 #define CC1_SPEC "%{G*} %(cc1_cpu) \
625 %{mlittle|mlittle-endian: %(cc1_endian_little); \
626 mbig |mbig-endian : %(cc1_endian_big); \
627 mcall-aixdesc | \
628 mcall-freebsd | \
629 mcall-netbsd | \
630 mcall-openbsd | \
631 mcall-linux | \
632 mcall-gnu : -mbig %(cc1_endian_big); \
633 mcall-i960-old : -mlittle %(cc1_endian_little); \
634 : %(cc1_endian_default)} \
635 %{meabi: %{!mcall-*: -mcall-sysv }} \
636 %{!meabi: %{!mno-eabi: \
637 %{mrelocatable: -meabi } \
638 %{mcall-freebsd: -mno-eabi } \
639 %{mcall-i960-old: -meabi } \
640 %{mcall-linux: -mno-eabi } \
641 %{mcall-gnu: -mno-eabi } \
642 %{mcall-netbsd: -mno-eabi } \
643 %{mcall-openbsd: -mno-eabi }}} \
644 %{msdata: -msdata=default} \
645 %{mno-sdata: -msdata=none} \
646 %{!mbss-plt: %{!msecure-plt: %(cc1_secure_plt_default)}} \
647 %{profile: -p}"
648
649 /* Don't put -Y P,<path> for cross compilers. */
650 #ifndef CROSS_DIRECTORY_STRUCTURE
651 #define LINK_PATH_SPEC "\
652 %{!R*:%{L*:-R %*}} \
653 %{!nostdlib: %{!YP,*: \
654 %{compat-bsd: \
655 %{p:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
656 %{!p:-Y P,/usr/ucblib:/usr/ccs/lib:/usr/lib}} \
657 %{!R*: %{!L*: -R /usr/ucblib}} \
658 %{!compat-bsd: \
659 %{p:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
660 %{!p:-Y P,/usr/ccs/lib:/usr/lib}}}}"
661
662 #else
663 #define LINK_PATH_SPEC ""
664 #endif
665
666 /* Default starting address if specified. */
667 #define LINK_START_SPEC "\
668 %{mads : %(link_start_ads) ; \
669 myellowknife : %(link_start_yellowknife) ; \
670 mmvme : %(link_start_mvme) ; \
671 msim : %(link_start_sim) ; \
672 mcall-freebsd: %(link_start_freebsd) ; \
673 mcall-linux : %(link_start_linux) ; \
674 mcall-gnu : %(link_start_gnu) ; \
675 mcall-netbsd : %(link_start_netbsd) ; \
676 mcall-openbsd: %(link_start_openbsd) ; \
677 : %(link_start_default) }"
678
679 #define LINK_START_DEFAULT_SPEC ""
680
681 /* Override svr4.h definition. */
682 #undef LINK_SPEC
683 #define LINK_SPEC "\
684 %{h*} %{v:-V} %{!msdata=none:%{G*}} %{msdata=none:-G0} \
685 %{YP,*} %{R*} \
686 %{Qy:} %{!Qn:-Qy} \
687 %(link_shlib) \
688 %{!Wl,-T*: %{!T*: %(link_start) }} \
689 %(link_target) \
690 %(link_os)"
691
692 /* For now, turn off shared libraries by default. */
693 #ifndef SHARED_LIB_SUPPORT
694 #define NO_SHARED_LIB_SUPPORT
695 #endif
696
697 #ifndef NO_SHARED_LIB_SUPPORT
698 /* Shared libraries are default. */
699 #define LINK_SHLIB_SPEC "\
700 %{!static: %(link_path) %{!R*:%{L*:-R %*}}} \
701 %{mshlib: } \
702 %{static:-dn -Bstatic} \
703 %{shared:-G -dy -z text} \
704 %{symbolic:-Bsymbolic -G -dy -z text}"
705
706 #else
707 /* Shared libraries are not default. */
708 #define LINK_SHLIB_SPEC "\
709 %{mshlib: %(link_path) } \
710 %{!mshlib: %{!shared: %{!symbolic: -dn -Bstatic}}} \
711 %{static: } \
712 %{shared:-G -dy -z text %(link_path) } \
713 %{symbolic:-Bsymbolic -G -dy -z text %(link_path) }"
714 #endif
715
716 /* Override the default target of the linker. */
717 #define LINK_TARGET_SPEC "\
718 %{mlittle: --oformat elf32-powerpcle } %{mlittle-endian: --oformat elf32-powerpcle } \
719 %{!mlittle: %{!mlittle-endian: %{!mbig: %{!mbig-endian: \
720 %{mcall-i960-old: --oformat elf32-powerpcle} \
721 }}}}"
722
723 /* Any specific OS flags. */
724 #define LINK_OS_SPEC "\
725 %{mads : %(link_os_ads) ; \
726 myellowknife : %(link_os_yellowknife) ; \
727 mmvme : %(link_os_mvme) ; \
728 msim : %(link_os_sim) ; \
729 mcall-freebsd: %(link_os_freebsd) ; \
730 mcall-linux : %(link_os_linux) ; \
731 mcall-gnu : %(link_os_gnu) ; \
732 mcall-netbsd : %(link_os_netbsd) ; \
733 mcall-openbsd: %(link_os_openbsd) ; \
734 : %(link_os_default) }"
735
736 #define LINK_OS_DEFAULT_SPEC ""
737
738 #define DRIVER_SELF_SPECS "%{mfpu=none: %<mfpu=* \
739 %<msingle-float %<mdouble-float}"
740
741 /* Override rs6000.h definition. */
742 #undef CPP_SPEC
743 #define CPP_SPEC "%{posix: -D_POSIX_SOURCE} \
744 %{mads : %(cpp_os_ads) ; \
745 myellowknife : %(cpp_os_yellowknife) ; \
746 mmvme : %(cpp_os_mvme) ; \
747 msim : %(cpp_os_sim) ; \
748 mcall-freebsd: %(cpp_os_freebsd) ; \
749 mcall-linux : %(cpp_os_linux) ; \
750 mcall-gnu : %(cpp_os_gnu) ; \
751 mcall-netbsd : %(cpp_os_netbsd) ; \
752 mcall-openbsd: %(cpp_os_openbsd) ; \
753 : %(cpp_os_default) }"
754
755 #define CPP_OS_DEFAULT_SPEC ""
756
757 /* Override svr4.h definition. */
758 #undef STARTFILE_SPEC
759 #define STARTFILE_SPEC "\
760 %{mads : %(startfile_ads) ; \
761 myellowknife : %(startfile_yellowknife) ; \
762 mmvme : %(startfile_mvme) ; \
763 msim : %(startfile_sim) ; \
764 mcall-freebsd: %(startfile_freebsd) ; \
765 mcall-linux : %(startfile_linux) ; \
766 mcall-gnu : %(startfile_gnu) ; \
767 mcall-netbsd : %(startfile_netbsd) ; \
768 mcall-openbsd: %(startfile_openbsd) ; \
769 : %(startfile_default) }"
770
771 #define STARTFILE_DEFAULT_SPEC "ecrti.o%s crtbegin.o%s"
772
773 /* Override svr4.h definition. */
774 #undef LIB_SPEC
775 #define LIB_SPEC "\
776 %{mads : %(lib_ads) ; \
777 myellowknife : %(lib_yellowknife) ; \
778 mmvme : %(lib_mvme) ; \
779 msim : %(lib_sim) ; \
780 mcall-freebsd: %(lib_freebsd) ; \
781 mcall-linux : %(lib_linux) ; \
782 mcall-gnu : %(lib_gnu) ; \
783 mcall-netbsd : %(lib_netbsd) ; \
784 mcall-openbsd: %(lib_openbsd) ; \
785 : %(lib_default) }"
786
787 #define LIB_DEFAULT_SPEC "-lc"
788
789 /* Override svr4.h definition. */
790 #undef ENDFILE_SPEC
791 #define ENDFILE_SPEC "\
792 %{mads : %(endfile_ads) ; \
793 myellowknife : %(endfile_yellowknife) ; \
794 mmvme : %(endfile_mvme) ; \
795 msim : %(endfile_sim) ; \
796 mcall-freebsd: %(endfile_freebsd) ; \
797 mcall-linux : %(endfile_linux) ; \
798 mcall-gnu : %(endfile_gnu) ; \
799 mcall-netbsd : %(endfile_netbsd) ; \
800 mcall-openbsd: %(endfile_openbsd) ; \
801 : %(crtsavres_default) %(endfile_default) }"
802
803 #define CRTSAVRES_DEFAULT_SPEC ""
804
805 #define ENDFILE_DEFAULT_SPEC "crtend.o%s ecrtn.o%s"
806
807 /* Motorola ADS support. */
808 #define LIB_ADS_SPEC "--start-group -lads -lc --end-group"
809
810 #define STARTFILE_ADS_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s"
811
812 #define ENDFILE_ADS_SPEC "crtend.o%s ecrtn.o%s"
813
814 #define LINK_START_ADS_SPEC "-T ads.ld%s"
815
816 #define LINK_OS_ADS_SPEC ""
817
818 #define CPP_OS_ADS_SPEC ""
819
820 /* Motorola Yellowknife support. */
821 #define LIB_YELLOWKNIFE_SPEC "--start-group -lyk -lc --end-group"
822
823 #define STARTFILE_YELLOWKNIFE_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s"
824
825 #define ENDFILE_YELLOWKNIFE_SPEC "crtend.o%s ecrtn.o%s"
826
827 #define LINK_START_YELLOWKNIFE_SPEC "-T yellowknife.ld%s"
828
829 #define LINK_OS_YELLOWKNIFE_SPEC ""
830
831 #define CPP_OS_YELLOWKNIFE_SPEC ""
832
833 /* Motorola MVME support. */
834 #define LIB_MVME_SPEC "--start-group -lmvme -lc --end-group"
835
836 #define STARTFILE_MVME_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s"
837
838 #define ENDFILE_MVME_SPEC "crtend.o%s ecrtn.o%s"
839
840 #define LINK_START_MVME_SPEC "-Ttext 0x40000"
841
842 #define LINK_OS_MVME_SPEC ""
843
844 #define CPP_OS_MVME_SPEC ""
845
846 /* PowerPC simulator based on netbsd system calls support. */
847 #define LIB_SIM_SPEC "--start-group -lsim -lc --end-group"
848
849 #define STARTFILE_SIM_SPEC "ecrti.o%s sim-crt0.o%s crtbegin.o%s"
850
851 #define ENDFILE_SIM_SPEC "crtend.o%s ecrtn.o%s"
852
853 #define LINK_START_SIM_SPEC ""
854
855 #define LINK_OS_SIM_SPEC "-m elf32ppcsim"
856
857 #define CPP_OS_SIM_SPEC ""
858
859 /* FreeBSD support. */
860
861 #define CPP_OS_FREEBSD_SPEC "\
862 -D__PPC__ -D__ppc__ -D__PowerPC__ -D__powerpc__ \
863 -Acpu=powerpc -Amachine=powerpc"
864
865 #define STARTFILE_FREEBSD_SPEC FBSD_STARTFILE_SPEC
866 #define ENDFILE_FREEBSD_SPEC FBSD_ENDFILE_SPEC
867 #define LIB_FREEBSD_SPEC FBSD_LIB_SPEC
868 #define LINK_START_FREEBSD_SPEC ""
869
870 #define LINK_OS_FREEBSD_SPEC "\
871 %{p:%nconsider using `-pg' instead of `-p' with gprof(1)} \
872 %{v:-V} \
873 %{assert*} %{R*} %{rpath*} %{defsym*} \
874 %{shared:-Bshareable %{h*} %{soname*}} \
875 %{!shared: \
876 %{!static: \
877 %{rdynamic: -export-dynamic} \
878 %{!dynamic-linker:-dynamic-linker %(fbsd_dynamic_linker) }} \
879 %{static:-Bstatic}} \
880 %{symbolic:-Bsymbolic}"
881
882 /* GNU/Linux support. */
883 #define LIB_LINUX_SPEC "%{mnewlib: --start-group -llinux -lc --end-group } \
884 %{!mnewlib: %{pthread:-lpthread} %{shared:-lc} \
885 %{!shared: %{profile:-lc_p} %{!profile:-lc}}}"
886
887 #ifdef HAVE_LD_PIE
888 #define STARTFILE_LINUX_SPEC "\
889 %{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} \
890 %{mnewlib:ecrti.o%s;:crti.o%s} \
891 %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
892 #else
893 #define STARTFILE_LINUX_SPEC "\
894 %{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}} \
895 %{mnewlib:ecrti.o%s;:crti.o%s} \
896 %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
897 #endif
898
899 #define ENDFILE_LINUX_SPEC "\
900 %{shared|pie:crtendS.o%s;:crtend.o%s} \
901 %{mnewlib:ecrtn.o%s;:crtn.o%s}"
902
903 #define LINK_START_LINUX_SPEC ""
904
905 #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
906 #define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
907 #if UCLIBC_DEFAULT
908 #define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:%{muclibc:%e-mglibc and -muclibc used together}" G ";:" U "}"
909 #else
910 #define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:%{mglibc:%e-mglibc and -muclibc used together}" U ";:" G "}"
911 #endif
912 #define LINUX_DYNAMIC_LINKER \
913 CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER)
914
915 #define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \
916 %{rdynamic:-export-dynamic} \
917 %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "}}}"
918
919 #if defined(HAVE_LD_EH_FRAME_HDR)
920 # define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
921 #endif
922
923 #define CPP_OS_LINUX_SPEC "-D__unix__ -D__gnu_linux__ -D__linux__ \
924 %{!undef: \
925 %{!ansi: \
926 %{!std=*:-Dunix -D__unix -Dlinux -D__linux} \
927 %{std=gnu*:-Dunix -D__unix -Dlinux -D__linux}}} \
928 -Asystem=linux -Asystem=unix -Asystem=posix %{pthread:-D_REENTRANT}"
929
930 /* GNU/Hurd support. */
931 #define LIB_GNU_SPEC "%{mnewlib: --start-group -lgnu -lc --end-group } \
932 %{!mnewlib: %{shared:-lc} %{!shared: %{pthread:-lpthread } \
933 %{profile:-lc_p} %{!profile:-lc}}}"
934
935 #define STARTFILE_GNU_SPEC "\
936 %{!shared: %{!static: %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}} \
937 %{static: %{pg:gcrt0.o%s} %{!pg:%{p:gcrt0.o%s} %{!p:crt0.o%s}}} \
938 %{mnewlib: ecrti.o%s} %{!mnewlib: crti.o%s} \
939 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
940
941 #define ENDFILE_GNU_SPEC "%{!shared:crtend.o%s} %{shared:crtendS.o%s} \
942 %{mnewlib: ecrtn.o%s} %{!mnewlib: crtn.o%s}"
943
944 #define LINK_START_GNU_SPEC ""
945
946 #define LINK_OS_GNU_SPEC "-m elf32ppclinux %{!shared: %{!static: \
947 %{rdynamic:-export-dynamic} \
948 %{!dynamic-linker:-dynamic-linker /lib/ld.so.1}}}"
949
950 #define CPP_OS_GNU_SPEC "-D__unix__ -D__gnu_hurd__ -D__GNU__ \
951 %{!undef: \
952 %{!ansi: -Dunix -D__unix}} \
953 -Asystem=gnu -Asystem=unix -Asystem=posix %{pthread:-D_REENTRANT}"
954
955 /* NetBSD support. */
956 #define LIB_NETBSD_SPEC "\
957 %{profile:-lgmon -lc_p} %{!profile:-lc}"
958
959 #define STARTFILE_NETBSD_SPEC "\
960 ncrti.o%s crt0.o%s \
961 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
962
963 #define ENDFILE_NETBSD_SPEC "\
964 %{!shared:crtend.o%s} %{shared:crtendS.o%s} \
965 ncrtn.o%s"
966
967 #define LINK_START_NETBSD_SPEC "\
968 "
969
970 #define LINK_OS_NETBSD_SPEC "\
971 %{!shared: %{!static: \
972 %{rdynamic:-export-dynamic} \
973 %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}}}"
974
975 #define CPP_OS_NETBSD_SPEC "\
976 -D__powerpc__ -D__NetBSD__ -D__KPRINTF_ATTRIBUTE__"
977
978 /* OpenBSD support. */
979 #ifndef LIB_OPENBSD_SPEC
980 #define LIB_OPENBSD_SPEC "%{!shared:%{pthread:-lpthread%{p:_p}%{!p:%{pg:_p}}}} %{!shared:-lc%{p:_p}%{!p:%{pg:_p}}}"
981 #endif
982
983 #ifndef STARTFILE_OPENBSD_SPEC
984 #define STARTFILE_OPENBSD_SPEC "\
985 %{!shared: %{pg:gcrt0.o%s} %{!pg:%{p:gcrt0.o%s} %{!p:crt0.o%s}}} \
986 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
987 #endif
988
989 #ifndef ENDFILE_OPENBSD_SPEC
990 #define ENDFILE_OPENBSD_SPEC "\
991 %{!shared:crtend.o%s} %{shared:crtendS.o%s}"
992 #endif
993
994 #ifndef LINK_START_OPENBSD_SPEC
995 #define LINK_START_OPENBSD_SPEC "-Ttext 0x400074"
996 #endif
997
998 #ifndef LINK_OS_OPENBSD_SPEC
999 #define LINK_OS_OPENBSD_SPEC ""
1000 #endif
1001
1002 #ifndef CPP_OS_OPENBSD_SPEC
1003 #define CPP_OS_OPENBSD_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_POSIX_THREADS}"
1004 #endif
1005
1006 /* Define any extra SPECS that the compiler needs to generate. */
1007 /* Override rs6000.h definition. */
1008 #undef SUBTARGET_EXTRA_SPECS
1009 #define SUBTARGET_EXTRA_SPECS \
1010 { "crtsavres_default", CRTSAVRES_DEFAULT_SPEC }, \
1011 { "lib_ads", LIB_ADS_SPEC }, \
1012 { "lib_yellowknife", LIB_YELLOWKNIFE_SPEC }, \
1013 { "lib_mvme", LIB_MVME_SPEC }, \
1014 { "lib_sim", LIB_SIM_SPEC }, \
1015 { "lib_freebsd", LIB_FREEBSD_SPEC }, \
1016 { "lib_gnu", LIB_GNU_SPEC }, \
1017 { "lib_linux", LIB_LINUX_SPEC }, \
1018 { "lib_netbsd", LIB_NETBSD_SPEC }, \
1019 { "lib_openbsd", LIB_OPENBSD_SPEC }, \
1020 { "lib_default", LIB_DEFAULT_SPEC }, \
1021 { "startfile_ads", STARTFILE_ADS_SPEC }, \
1022 { "startfile_yellowknife", STARTFILE_YELLOWKNIFE_SPEC }, \
1023 { "startfile_mvme", STARTFILE_MVME_SPEC }, \
1024 { "startfile_sim", STARTFILE_SIM_SPEC }, \
1025 { "startfile_freebsd", STARTFILE_FREEBSD_SPEC }, \
1026 { "startfile_gnu", STARTFILE_GNU_SPEC }, \
1027 { "startfile_linux", STARTFILE_LINUX_SPEC }, \
1028 { "startfile_netbsd", STARTFILE_NETBSD_SPEC }, \
1029 { "startfile_openbsd", STARTFILE_OPENBSD_SPEC }, \
1030 { "startfile_default", STARTFILE_DEFAULT_SPEC }, \
1031 { "endfile_ads", ENDFILE_ADS_SPEC }, \
1032 { "endfile_yellowknife", ENDFILE_YELLOWKNIFE_SPEC }, \
1033 { "endfile_mvme", ENDFILE_MVME_SPEC }, \
1034 { "endfile_sim", ENDFILE_SIM_SPEC }, \
1035 { "endfile_freebsd", ENDFILE_FREEBSD_SPEC }, \
1036 { "endfile_gnu", ENDFILE_GNU_SPEC }, \
1037 { "endfile_linux", ENDFILE_LINUX_SPEC }, \
1038 { "endfile_netbsd", ENDFILE_NETBSD_SPEC }, \
1039 { "endfile_openbsd", ENDFILE_OPENBSD_SPEC }, \
1040 { "endfile_default", ENDFILE_DEFAULT_SPEC }, \
1041 { "link_path", LINK_PATH_SPEC }, \
1042 { "link_shlib", LINK_SHLIB_SPEC }, \
1043 { "link_target", LINK_TARGET_SPEC }, \
1044 { "link_start", LINK_START_SPEC }, \
1045 { "link_start_ads", LINK_START_ADS_SPEC }, \
1046 { "link_start_yellowknife", LINK_START_YELLOWKNIFE_SPEC }, \
1047 { "link_start_mvme", LINK_START_MVME_SPEC }, \
1048 { "link_start_sim", LINK_START_SIM_SPEC }, \
1049 { "link_start_freebsd", LINK_START_FREEBSD_SPEC }, \
1050 { "link_start_gnu", LINK_START_GNU_SPEC }, \
1051 { "link_start_linux", LINK_START_LINUX_SPEC }, \
1052 { "link_start_netbsd", LINK_START_NETBSD_SPEC }, \
1053 { "link_start_openbsd", LINK_START_OPENBSD_SPEC }, \
1054 { "link_start_default", LINK_START_DEFAULT_SPEC }, \
1055 { "link_os", LINK_OS_SPEC }, \
1056 { "link_os_ads", LINK_OS_ADS_SPEC }, \
1057 { "link_os_yellowknife", LINK_OS_YELLOWKNIFE_SPEC }, \
1058 { "link_os_mvme", LINK_OS_MVME_SPEC }, \
1059 { "link_os_sim", LINK_OS_SIM_SPEC }, \
1060 { "link_os_freebsd", LINK_OS_FREEBSD_SPEC }, \
1061 { "link_os_linux", LINK_OS_LINUX_SPEC }, \
1062 { "link_os_gnu", LINK_OS_GNU_SPEC }, \
1063 { "link_os_netbsd", LINK_OS_NETBSD_SPEC }, \
1064 { "link_os_openbsd", LINK_OS_OPENBSD_SPEC }, \
1065 { "link_os_default", LINK_OS_DEFAULT_SPEC }, \
1066 { "cc1_endian_big", CC1_ENDIAN_BIG_SPEC }, \
1067 { "cc1_endian_little", CC1_ENDIAN_LITTLE_SPEC }, \
1068 { "cc1_endian_default", CC1_ENDIAN_DEFAULT_SPEC }, \
1069 { "cc1_secure_plt_default", CC1_SECURE_PLT_DEFAULT_SPEC }, \
1070 { "cpp_os_ads", CPP_OS_ADS_SPEC }, \
1071 { "cpp_os_yellowknife", CPP_OS_YELLOWKNIFE_SPEC }, \
1072 { "cpp_os_mvme", CPP_OS_MVME_SPEC }, \
1073 { "cpp_os_sim", CPP_OS_SIM_SPEC }, \
1074 { "cpp_os_freebsd", CPP_OS_FREEBSD_SPEC }, \
1075 { "cpp_os_gnu", CPP_OS_GNU_SPEC }, \
1076 { "cpp_os_linux", CPP_OS_LINUX_SPEC }, \
1077 { "cpp_os_netbsd", CPP_OS_NETBSD_SPEC }, \
1078 { "cpp_os_openbsd", CPP_OS_OPENBSD_SPEC }, \
1079 { "cpp_os_default", CPP_OS_DEFAULT_SPEC }, \
1080 { "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER }, \
1081 SUBSUBTARGET_EXTRA_SPECS
1082
1083 #define SUBSUBTARGET_EXTRA_SPECS
1084
1085 /* Define this macro as a C expression for the initializer of an
1086 array of string to tell the driver program which options are
1087 defaults for this target and thus do not need to be handled
1088 specially when using `MULTILIB_OPTIONS'.
1089
1090 Do not define this macro if `MULTILIB_OPTIONS' is not defined in
1091 the target makefile fragment or if none of the options listed in
1092 `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */
1093
1094 #define MULTILIB_DEFAULTS { "mbig", "mcall-sysv" }
1095
1096 /* Define this macro if the code for function profiling should come
1097 before the function prologue. Normally, the profiling code comes
1098 after. */
1099 #define PROFILE_BEFORE_PROLOGUE 1
1100
1101 /* Function name to call to do profiling. */
1102 #define RS6000_MCOUNT "_mcount"
1103
1104 /* Define this macro (to a value of 1) if you want to support the
1105 Win32 style pragmas #pragma pack(push,<n>)' and #pragma
1106 pack(pop)'. The pack(push,<n>) pragma specifies the maximum
1107 alignment (in bytes) of fields within a structure, in much the
1108 same way as the __aligned__' and __packed__' __attribute__'s
1109 do. A pack value of zero resets the behavior to the default.
1110 Successive invocations of this pragma cause the previous values to
1111 be stacked, so that invocations of #pragma pack(pop)' will return
1112 to the previous value. */
1113
1114 #define HANDLE_PRAGMA_PACK_PUSH_POP 1
1115
1116 /* Select a format to encode pointers in exception handling data. CODE
1117 is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is
1118 true if the symbol may be affected by dynamic relocations. */
1119 #define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \
1120 ((flag_pic || TARGET_RELOCATABLE) \
1121 ? (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel | DW_EH_PE_sdata4) \
1122 : DW_EH_PE_absptr)
1123
1124 #define DOUBLE_INT_ASM_OP "\t.quad\t"
1125
1126 /* Generate entries in .fixup for relocatable addresses. */
1127 #define RELOCATABLE_NEEDS_FIXUP 1
1128
1129 /* This target uses the sysv4.opt file. */
1130 #define TARGET_USES_SYSV4_OPT 1
Mirror of https://gcc.gnu.org/git/gcc.git