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 Free Software Foundation, Inc.
4 Contributed by Cygnus Support.
6 This file is part of GCC.
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.
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.
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING3. If not see
20 <http://www.gnu.org/licenses/>. */
22 /* Header files should be C++ aware in general. */
23 #undef NO_IMPLICIT_EXTERN_C
24 #define NO_IMPLICIT_EXTERN_C
26 /* Yes! We are ELF. */
27 #define TARGET_OBJECT_FORMAT OBJECT_ELF
29 /* Default ABI to compile code for. */
30 #define DEFAULT_ABI rs6000_current_abi
32 /* Default ABI to use. */
33 #define RS6000_ABI_NAME "sysv"
35 /* Override rs6000.h definition. */
36 #undef ASM_DEFAULT_SPEC
37 #define ASM_DEFAULT_SPEC "-mppc"
39 /* Small data support types. */
40 enum rs6000_sdata_type {
41 SDATA_NONE, /* No small data support. */
42 SDATA_DATA, /* Just put data in .sbss/.sdata, don't use relocs. */
43 SDATA_SYSV, /* Use r13 to point to .sdata/.sbss. */
44 SDATA_EABI /* Use r13 like above, r2 points to .sdata2/.sbss2. */
47 extern enum rs6000_sdata_type rs6000_sdata;
49 #define TARGET_TOC ((target_flags & MASK_64BIT) \
50 || ((target_flags & (MASK_RELOCATABLE \
51 | MASK_MINIMAL_TOC)) \
53 || DEFAULT_ABI == ABI_AIX)
55 #define TARGET_BITFIELD_TYPE (! TARGET_NO_BITFIELD_TYPE)
56 #define TARGET_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN)
57 #define TARGET_NO_PROTOTYPE (! TARGET_PROTOTYPE)
58 #define TARGET_NO_TOC (! TARGET_TOC)
59 #define TARGET_NO_EABI (! TARGET_EABI)
62 #undef TARGET_SECURE_PLT
63 #define TARGET_SECURE_PLT secure_plt
66 extern const char *rs6000_abi_name;
67 extern const char *rs6000_sdata_name;
68 extern const char *rs6000_tls_size_string; /* For -mtls-size= */
70 #define SDATA_DEFAULT_SIZE 8
72 /* Sometimes certain combinations of command options do not make sense
73 on a particular target machine. You can define a macro
74 `OVERRIDE_OPTIONS' to take account of this. This macro, if
75 defined, is executed once just after all the command options have
78 The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to
81 #define SUBTARGET_OVERRIDE_OPTIONS \
84 g_switch_value = SDATA_DEFAULT_SIZE; \
86 if (rs6000_abi_name == NULL) \
87 rs6000_abi_name = RS6000_ABI_NAME; \
89 if (!strcmp (rs6000_abi_name, "sysv")) \
90 rs6000_current_abi = ABI_V4; \
91 else if (!strcmp (rs6000_abi_name, "sysv-noeabi")) \
93 rs6000_current_abi = ABI_V4; \
94 target_flags &= ~ MASK_EABI; \
96 else if (!strcmp (rs6000_abi_name, "sysv-eabi") \
97 || !strcmp (rs6000_abi_name, "eabi")) \
99 rs6000_current_abi = ABI_V4; \
100 target_flags |= MASK_EABI; \
102 else if (!strcmp (rs6000_abi_name, "aixdesc")) \
103 rs6000_current_abi = ABI_AIX; \
104 else if (!strcmp (rs6000_abi_name, "freebsd")) \
105 rs6000_current_abi = ABI_V4; \
106 else if (!strcmp (rs6000_abi_name, "linux")) \
109 rs6000_current_abi = ABI_AIX; \
111 rs6000_current_abi = ABI_V4; \
113 else if (!strcmp (rs6000_abi_name, "gnu")) \
114 rs6000_current_abi = ABI_V4; \
115 else if (!strcmp (rs6000_abi_name, "netbsd")) \
116 rs6000_current_abi = ABI_V4; \
117 else if (!strcmp (rs6000_abi_name, "openbsd")) \
118 rs6000_current_abi = ABI_V4; \
119 else if (!strcmp (rs6000_abi_name, "i960-old")) \
121 rs6000_current_abi = ABI_V4; \
122 target_flags |= (MASK_LITTLE_ENDIAN | MASK_EABI \
123 | MASK_NO_BITFIELD_WORD); \
124 target_flags &= ~MASK_STRICT_ALIGN; \
128 rs6000_current_abi = ABI_V4; \
129 error ("bad value for -mcall-%s", rs6000_abi_name); \
132 if (rs6000_sdata_name) \
134 if (!strcmp (rs6000_sdata_name, "none")) \
135 rs6000_sdata = SDATA_NONE; \
136 else if (!strcmp (rs6000_sdata_name, "data")) \
137 rs6000_sdata = SDATA_DATA; \
138 else if (!strcmp (rs6000_sdata_name, "default")) \
139 rs6000_sdata = (TARGET_EABI) ? SDATA_EABI : SDATA_SYSV; \
140 else if (!strcmp (rs6000_sdata_name, "sysv")) \
141 rs6000_sdata = SDATA_SYSV; \
142 else if (!strcmp (rs6000_sdata_name, "eabi")) \
143 rs6000_sdata = SDATA_EABI; \
145 error ("bad value for -msdata=%s", rs6000_sdata_name); \
147 else if (DEFAULT_ABI == ABI_V4) \
149 rs6000_sdata = SDATA_DATA; \
150 rs6000_sdata_name = "data"; \
154 rs6000_sdata = SDATA_NONE; \
155 rs6000_sdata_name = "none"; \
158 if (TARGET_RELOCATABLE && \
159 (rs6000_sdata == SDATA_EABI || rs6000_sdata == SDATA_SYSV)) \
161 rs6000_sdata = SDATA_DATA; \
162 error ("-mrelocatable and -msdata=%s are incompatible", \
163 rs6000_sdata_name); \
166 else if (flag_pic && DEFAULT_ABI != ABI_AIX \
167 && (rs6000_sdata == SDATA_EABI \
168 || rs6000_sdata == SDATA_SYSV)) \
170 rs6000_sdata = SDATA_DATA; \
171 error ("-f%s and -msdata=%s are incompatible", \
172 (flag_pic > 1) ? "PIC" : "pic", \
173 rs6000_sdata_name); \
176 if ((rs6000_sdata != SDATA_NONE && DEFAULT_ABI != ABI_V4) \
177 || (rs6000_sdata == SDATA_EABI && !TARGET_EABI)) \
179 rs6000_sdata = SDATA_NONE; \
180 error ("-msdata=%s and -mcall-%s are incompatible", \
181 rs6000_sdata_name, rs6000_abi_name); \
184 targetm.have_srodata_section = rs6000_sdata == SDATA_EABI; \
186 if (TARGET_RELOCATABLE && !TARGET_MINIMAL_TOC) \
188 target_flags |= MASK_MINIMAL_TOC; \
189 error ("-mrelocatable and -mno-minimal-toc are incompatible"); \
192 if (TARGET_RELOCATABLE && rs6000_current_abi == ABI_AIX) \
194 target_flags &= ~MASK_RELOCATABLE; \
195 error ("-mrelocatable and -mcall-%s are incompatible", \
199 if (!TARGET_64BIT && flag_pic > 1 && rs6000_current_abi == ABI_AIX) \
202 error ("-fPIC and -mcall-%s are incompatible", \
206 if (rs6000_current_abi == ABI_AIX && TARGET_LITTLE_ENDIAN) \
208 target_flags &= ~MASK_LITTLE_ENDIAN; \
209 error ("-mcall-aixdesc must be big endian"); \
212 if (TARGET_SECURE_PLT != secure_plt) \
214 error ("-msecure-plt not supported by your assembler"); \
217 /* Treat -fPIC the same as -mrelocatable. */ \
218 if (flag_pic > 1 && DEFAULT_ABI != ABI_AIX) \
220 target_flags |= MASK_RELOCATABLE | MASK_MINIMAL_TOC; \
221 TARGET_NO_FP_IN_TOC = 1; \
224 else if (TARGET_RELOCATABLE) \
228 #ifndef RS6000_BI_ARCH
229 # define SUBSUBTARGET_OVERRIDE_OPTIONS \
231 if ((TARGET_DEFAULT ^ target_flags) & MASK_64BIT) \
232 error ("-m%s not supported in this configuration", \
233 (target_flags & MASK_64BIT) ? "64" : "32"); \
237 /* Override rs6000.h definition. */
238 #undef TARGET_DEFAULT
239 #define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS)
241 /* Override rs6000.h definition. */
242 #undef PROCESSOR_DEFAULT
243 #define PROCESSOR_DEFAULT PROCESSOR_PPC750
245 /* SVR4 only defined for PowerPC, so short-circuit POWER patterns. */
247 #define TARGET_POWER 0
250 /* System V.4 uses register 13 as a pointer to the small data area,
251 so it is not available to the normal user. */
254 /* Override default big endianism definitions in rs6000.h. */
255 #undef BYTES_BIG_ENDIAN
256 #undef WORDS_BIG_ENDIAN
257 #define BYTES_BIG_ENDIAN (TARGET_BIG_ENDIAN)
258 #define WORDS_BIG_ENDIAN (TARGET_BIG_ENDIAN)
260 /* Define this to set the endianness to use in libgcc2.c, which can
261 not depend on target_flags. */
262 #if !defined(__LITTLE_ENDIAN__) && !defined(__sun__)
263 #define LIBGCC2_WORDS_BIG_ENDIAN 1
265 #define LIBGCC2_WORDS_BIG_ENDIAN 0
268 /* Define cutoff for using external functions to save floating point.
269 Currently on 64-bit V.4, always use inline stores. When optimizing
270 for size on 32-bit targets, use external functions when
272 #define FP_SAVE_INLINE(FIRST_REG) (optimize_size && !TARGET_64BIT \
273 ? ((FIRST_REG) == 62 \
274 || (FIRST_REG) == 63) \
276 /* And similarly for general purpose registers. */
277 #define GP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) < 32 \
278 && (TARGET_64BIT || !optimize_size))
280 /* Put jump tables in read-only memory, rather than in .text. */
281 #define JUMP_TABLES_IN_TEXT_SECTION 0
283 /* Prefix and suffix to use to saving floating point. */
284 #define SAVE_FP_PREFIX "_savefpr_"
285 #define SAVE_FP_SUFFIX (TARGET_64BIT ? "_l" : "")
287 /* Prefix and suffix to use to restoring floating point. */
288 #define RESTORE_FP_PREFIX "_restfpr_"
289 #define RESTORE_FP_SUFFIX (TARGET_64BIT ? "_l" : "")
291 /* Type used for ptrdiff_t, as a string used in a declaration. */
292 #define PTRDIFF_TYPE "int"
294 /* Type used for wchar_t, as a string used in a declaration. */
295 /* Override svr4.h definition. */
297 #define WCHAR_TYPE "long int"
299 /* Width of wchar_t in bits. */
300 /* Override svr4.h definition. */
301 #undef WCHAR_TYPE_SIZE
302 #define WCHAR_TYPE_SIZE 32
304 /* Make int foo : 8 not cause structures to be aligned to an int boundary. */
305 /* Override elfos.h definition. */
306 #undef PCC_BITFIELD_TYPE_MATTERS
307 #define PCC_BITFIELD_TYPE_MATTERS (TARGET_BITFIELD_TYPE)
309 #undef BITFIELD_NBYTES_LIMITED
310 #define BITFIELD_NBYTES_LIMITED (TARGET_NO_BITFIELD_WORD)
312 /* Define this macro to be the value 1 if instructions will fail to
313 work if given data not on the nominal alignment. If instructions
314 will merely go slower in that case, define this macro as 0. */
315 #undef STRICT_ALIGNMENT
316 #define STRICT_ALIGNMENT (TARGET_STRICT_ALIGN)
318 /* Define this macro if you wish to preserve a certain alignment for
319 the stack pointer, greater than what the hardware enforces. The
320 definition is a C expression for the desired alignment (measured
321 in bits). This macro must evaluate to a value equal to or larger
323 For the SYSV ABI and variants the alignment of the stack pointer
324 is usually controlled manually in rs6000.c. However, to maintain
325 alignment across alloca () in all circumstances,
326 PREFERRED_STACK_BOUNDARY needs to be set as well.
327 This has the additional advantage of allowing a bigger maximum
328 alignment of user objects on the stack. */
330 #undef PREFERRED_STACK_BOUNDARY
331 #define PREFERRED_STACK_BOUNDARY 128
333 /* Real stack boundary as mandated by the appropriate ABI. */
334 #define ABI_STACK_BOUNDARY \
335 ((TARGET_EABI && !TARGET_ALTIVEC && !TARGET_ALTIVEC_ABI) ? 64 : 128)
337 /* An expression for the alignment of a structure field FIELD if the
338 alignment computed in the usual way is COMPUTED. */
339 #define ADJUST_FIELD_ALIGN(FIELD, COMPUTED) \
340 ((TARGET_ALTIVEC && TREE_CODE (TREE_TYPE (FIELD)) == VECTOR_TYPE) \
343 #undef BIGGEST_FIELD_ALIGNMENT
345 /* Use ELF style section commands. */
347 #define TEXT_SECTION_ASM_OP "\t.section\t\".text\""
349 #define DATA_SECTION_ASM_OP "\t.section\t\".data\""
351 #define BSS_SECTION_ASM_OP "\t.section\t\".bss\""
353 /* Override elfos.h definition. */
354 #undef INIT_SECTION_ASM_OP
355 #define INIT_SECTION_ASM_OP "\t.section\t\".init\",\"ax\""
357 /* Override elfos.h definition. */
358 #undef FINI_SECTION_ASM_OP
359 #define FINI_SECTION_ASM_OP "\t.section\t\".fini\",\"ax\""
361 #define TOC_SECTION_ASM_OP "\t.section\t\".got\",\"aw\""
363 /* Put PC relative got entries in .got2. */
364 #define MINIMAL_TOC_SECTION_ASM_OP \
365 (TARGET_RELOCATABLE || (flag_pic && DEFAULT_ABI != ABI_AIX) \
366 ? "\t.section\t\".got2\",\"aw\"" : "\t.section\t\".got1\",\"aw\"")
368 #define SDATA_SECTION_ASM_OP "\t.section\t\".sdata\",\"aw\""
369 #define SDATA2_SECTION_ASM_OP "\t.section\t\".sdata2\",\"a\""
370 #define SBSS_SECTION_ASM_OP "\t.section\t\".sbss\",\"aw\",@nobits"
372 /* Override default elf definitions. */
373 #define TARGET_ASM_INIT_SECTIONS rs6000_elf_asm_init_sections
374 #undef TARGET_ASM_RELOC_RW_MASK
375 #define TARGET_ASM_RELOC_RW_MASK rs6000_elf_reloc_rw_mask
376 #undef TARGET_ASM_SELECT_RTX_SECTION
377 #define TARGET_ASM_SELECT_RTX_SECTION rs6000_elf_select_rtx_section
379 /* Return nonzero if this entry is to be written into the constant pool
380 in a special way. We do so if this is a SYMBOL_REF, LABEL_REF or a CONST
381 containing one of them. If -mfp-in-toc (the default), we also do
382 this for floating-point constants. We actually can only do this
383 if the FP formats of the target and host machines are the same, but
384 we can't check that since not every file that uses
385 GO_IF_LEGITIMATE_ADDRESS_P includes real.h.
387 Unlike AIX, we don't key off of -mminimal-toc, but instead do not
388 allow floating point constants in the TOC if -mrelocatable. */
390 #undef ASM_OUTPUT_SPECIAL_POOL_ENTRY_P
391 #define ASM_OUTPUT_SPECIAL_POOL_ENTRY_P(X, MODE) \
393 && (GET_CODE (X) == SYMBOL_REF \
394 || (GET_CODE (X) == CONST && GET_CODE (XEXP (X, 0)) == PLUS \
395 && GET_CODE (XEXP (XEXP (X, 0), 0)) == SYMBOL_REF) \
396 || GET_CODE (X) == LABEL_REF \
397 || (GET_CODE (X) == CONST_INT \
398 && GET_MODE_BITSIZE (MODE) <= GET_MODE_BITSIZE (Pmode)) \
399 || (!TARGET_NO_FP_IN_TOC \
400 && !TARGET_RELOCATABLE \
401 && GET_CODE (X) == CONST_DOUBLE \
402 && SCALAR_FLOAT_MODE_P (GET_MODE (X)) \
403 && BITS_PER_WORD == HOST_BITS_PER_INT)))
405 /* These macros generate the special .type and .size directives which
406 are used to set the corresponding fields of the linker symbol table
407 entries in an ELF object file under SVR4. These macros also output
408 the starting labels for the relevant functions/objects. */
410 /* Write the extra assembler code needed to declare a function properly.
411 Some svr4 assemblers need to also have something extra said about the
412 function's return value. We allow for that here. */
414 extern int rs6000_pic_labelno;
416 /* Override elfos.h definition. */
417 #undef ASM_DECLARE_FUNCTION_NAME
418 #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
419 rs6000_elf_declare_function_name ((FILE), (NAME), (DECL))
421 /* The USER_LABEL_PREFIX stuff is affected by the -fleading-underscore
422 flag. The LOCAL_LABEL_PREFIX variable is used by dbxelf.h. */
424 #define LOCAL_LABEL_PREFIX "."
425 #define USER_LABEL_PREFIX ""
427 /* svr4.h overrides (*targetm.asm_out.internal_label). */
429 #define ASM_OUTPUT_INTERNAL_LABEL_PREFIX(FILE,PREFIX) \
430 asm_fprintf (FILE, "%L%s", PREFIX)
432 /* Globalizing directive for a label. */
433 #define GLOBAL_ASM_OP "\t.globl "
435 /* This says how to output assembler code to declare an
436 uninitialized internal linkage data object. Under SVR4,
437 the linker seems to want the alignment of data objects
438 to depend on their types. We do exactly that here. */
440 #define LOCAL_ASM_OP "\t.local\t"
442 #define LCOMM_ASM_OP "\t.lcomm\t"
444 /* Describe how to emit uninitialized local items. */
445 #define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \
447 if ((DECL) && rs6000_elf_in_small_data_p (DECL)) \
449 switch_to_section (sbss_section); \
450 ASM_OUTPUT_ALIGN (FILE, exact_log2 (ALIGN / BITS_PER_UNIT)); \
451 ASM_OUTPUT_LABEL (FILE, NAME); \
452 ASM_OUTPUT_SKIP (FILE, SIZE); \
453 if (!flag_inhibit_size_directive && (SIZE) > 0) \
454 ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, SIZE); \
458 fprintf (FILE, "%s", LCOMM_ASM_OP); \
459 assemble_name ((FILE), (NAME)); \
460 fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \
461 (SIZE), (ALIGN) / BITS_PER_UNIT); \
463 ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \
466 /* Describe how to emit uninitialized external linkage items. */
467 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
469 ASM_OUTPUT_ALIGNED_DECL_LOCAL (FILE, DECL, NAME, SIZE, ALIGN); \
472 #ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
473 /* To support -falign-* switches we need to use .p2align so
474 that alignment directives in code sections will be padded
475 with no-op instructions, rather than zeroes. */
476 #define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
479 if ((MAX_SKIP) == 0) \
480 fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
482 fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
486 /* This is how to output code to push a register on the stack.
487 It need not be very fast code.
489 On the rs6000, we must keep the backchain up to date. In order
490 to simplify things, always allocate 16 bytes for a push (System V
491 wants to keep stack aligned to a 16 byte boundary). */
493 #define ASM_OUTPUT_REG_PUSH(FILE, REGNO) \
495 if (DEFAULT_ABI == ABI_V4) \
497 "\t{stu|stwu} %s,-16(%s)\n\t{st|stw} %s,12(%s)\n", \
498 reg_names[1], reg_names[1], reg_names[REGNO], \
502 /* This is how to output an insn to pop a register from the stack.
503 It need not be very fast code. */
505 #define ASM_OUTPUT_REG_POP(FILE, REGNO) \
507 if (DEFAULT_ABI == ABI_V4) \
509 "\t{l|lwz} %s,12(%s)\n\t{ai|addic} %s,%s,16\n", \
510 reg_names[REGNO], reg_names[1], reg_names[1], \
514 /* Switch Recognition by gcc.c. Add -G xx support. */
516 /* Override svr4.h definition. */
517 #undef SWITCH_TAKES_ARG
518 #define SWITCH_TAKES_ARG(CHAR) \
519 ((CHAR) == 'D' || (CHAR) == 'U' || (CHAR) == 'o' \
520 || (CHAR) == 'e' || (CHAR) == 'T' || (CHAR) == 'u' \
521 || (CHAR) == 'I' || (CHAR) == 'm' || (CHAR) == 'x' \
522 || (CHAR) == 'L' || (CHAR) == 'A' || (CHAR) == 'V' \
523 || (CHAR) == 'B' || (CHAR) == 'b' || (CHAR) == 'G')
525 extern int fixuplabelno;
527 /* Handle constructors specially for -mrelocatable. */
528 #define TARGET_ASM_CONSTRUCTOR rs6000_elf_asm_out_constructor
529 #define TARGET_ASM_DESTRUCTOR rs6000_elf_asm_out_destructor
531 /* This is the end of what might become sysv4.h. */
533 /* Use DWARF 2 debugging information by default. */
534 #undef PREFERRED_DEBUGGING_TYPE
535 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
537 /* Historically we have also supported stabs debugging. */
538 #define DBX_DEBUGGING_INFO 1
540 #define TARGET_ENCODE_SECTION_INFO rs6000_elf_encode_section_info
541 #define TARGET_IN_SMALL_DATA_P rs6000_elf_in_small_data_p
543 /* The ELF version doesn't encode [DS] or whatever at the end of symbols. */
545 #define RS6000_OUTPUT_BASENAME(FILE, NAME) \
546 assemble_name (FILE, NAME)
548 /* We have to output the stabs for the function name *first*, before
549 outputting its label. */
551 #define DBX_FUNCTION_FIRST
553 /* This is the end of what might become sysv4dbx.h. */
555 #ifndef TARGET_VERSION
556 #define TARGET_VERSION fprintf (stderr, " (PowerPC System V.4)");
559 #define TARGET_OS_SYSV_CPP_BUILTINS() \
562 if (target_flags_explicit \
563 & MASK_RELOCATABLE) \
564 builtin_define ("_RELOCATABLE"); \
568 #ifndef TARGET_OS_CPP_BUILTINS
569 #define TARGET_OS_CPP_BUILTINS() \
572 builtin_define_std ("PPC"); \
573 builtin_define_std ("unix"); \
574 builtin_define ("__svr4__"); \
575 builtin_assert ("system=unix"); \
576 builtin_assert ("system=svr4"); \
577 builtin_assert ("cpu=powerpc"); \
578 builtin_assert ("machine=powerpc"); \
579 TARGET_OS_SYSV_CPP_BUILTINS (); \
584 /* Pass various options to the assembler. */
585 /* Override svr4.h definition. */
587 #define ASM_SPEC "%(asm_cpu) \
588 %{,assembler|,assembler-with-cpp: %{mregnames} %{mno-regnames}}" \
590 "%{mrelocatable} %{mrelocatable-lib} %{fpic|fpie|fPIC|fPIE:-K PIC} \
591 %{memb|msdata|msdata=eabi: -memb} \
592 %{mlittle|mlittle-endian:-mlittle; \
593 mbig|mbig-endian :-mbig; \
600 mcall-i960-old :-mlittle}"
602 #define CC1_ENDIAN_BIG_SPEC ""
604 #define CC1_ENDIAN_LITTLE_SPEC "\
605 %{!mstrict-align: %{!mno-strict-align: \
611 #define CC1_ENDIAN_DEFAULT_SPEC "%(cc1_endian_big)"
613 #ifndef CC1_SECURE_PLT_DEFAULT_SPEC
614 #define CC1_SECURE_PLT_DEFAULT_SPEC ""
617 /* Pass -G xxx to the compiler and set correct endian mode. */
618 #define CC1_SPEC "%{G*} %(cc1_cpu) \
619 %{mlittle|mlittle-endian: %(cc1_endian_little); \
620 mbig |mbig-endian : %(cc1_endian_big); \
626 mcall-gnu : -mbig %(cc1_endian_big); \
627 mcall-i960-old : -mlittle %(cc1_endian_little); \
628 : %(cc1_endian_default)} \
629 %{meabi: %{!mcall-*: -mcall-sysv }} \
630 %{!meabi: %{!mno-eabi: \
631 %{mrelocatable: -meabi } \
632 %{mcall-freebsd: -mno-eabi } \
633 %{mcall-i960-old: -meabi } \
634 %{mcall-linux: -mno-eabi } \
635 %{mcall-gnu: -mno-eabi } \
636 %{mcall-netbsd: -mno-eabi } \
637 %{mcall-openbsd: -mno-eabi }}} \
638 %{msdata: -msdata=default} \
639 %{mno-sdata: -msdata=none} \
640 %{!mbss-plt: %{!msecure-plt: %(cc1_secure_plt_default)}} \
643 /* Don't put -Y P,<path> for cross compilers. */
644 #ifndef CROSS_DIRECTORY_STRUCTURE
645 #define LINK_PATH_SPEC "\
647 %{!nostdlib: %{!YP,*: \
649 %{p:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
650 %{!p:-Y P,/usr/ucblib:/usr/ccs/lib:/usr/lib}} \
651 %{!R*: %{!L*: -R /usr/ucblib}} \
653 %{p:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
654 %{!p:-Y P,/usr/ccs/lib:/usr/lib}}}}"
657 #define LINK_PATH_SPEC ""
660 /* Default starting address if specified. */
661 #define LINK_START_SPEC "\
662 %{mads : %(link_start_ads) ; \
663 myellowknife : %(link_start_yellowknife) ; \
664 mmvme : %(link_start_mvme) ; \
665 msim : %(link_start_sim) ; \
666 mcall-freebsd: %(link_start_freebsd) ; \
667 mcall-linux : %(link_start_linux) ; \
668 mcall-gnu : %(link_start_gnu) ; \
669 mcall-netbsd : %(link_start_netbsd) ; \
670 mcall-openbsd: %(link_start_openbsd) ; \
671 : %(link_start_default) }"
673 #define LINK_START_DEFAULT_SPEC ""
675 /* Override svr4.h definition. */
678 %{h*} %{v:-V} %{!msdata=none:%{G*}} %{msdata=none:-G0} \
682 %{!Wl,-T*: %{!T*: %(link_start) }} \
686 /* For now, turn off shared libraries by default. */
687 #ifndef SHARED_LIB_SUPPORT
688 #define NO_SHARED_LIB_SUPPORT
691 #ifndef NO_SHARED_LIB_SUPPORT
692 /* Shared libraries are default. */
693 #define LINK_SHLIB_SPEC "\
694 %{!static: %(link_path) %{!R*:%{L*:-R %*}}} \
696 %{static:-dn -Bstatic} \
697 %{shared:-G -dy -z text} \
698 %{symbolic:-Bsymbolic -G -dy -z text}"
701 /* Shared libraries are not default. */
702 #define LINK_SHLIB_SPEC "\
703 %{mshlib: %(link_path) } \
704 %{!mshlib: %{!shared: %{!symbolic: -dn -Bstatic}}} \
706 %{shared:-G -dy -z text %(link_path) } \
707 %{symbolic:-Bsymbolic -G -dy -z text %(link_path) }"
710 /* Override the default target of the linker. */
711 #define LINK_TARGET_SPEC "\
712 %{mlittle: --oformat elf32-powerpcle } %{mlittle-endian: --oformat elf32-powerpcle } \
713 %{!mlittle: %{!mlittle-endian: %{!mbig: %{!mbig-endian: \
714 %{mcall-i960-old: --oformat elf32-powerpcle} \
717 /* Any specific OS flags. */
718 #define LINK_OS_SPEC "\
719 %{mads : %(link_os_ads) ; \
720 myellowknife : %(link_os_yellowknife) ; \
721 mmvme : %(link_os_mvme) ; \
722 msim : %(link_os_sim) ; \
723 mcall-freebsd: %(link_os_freebsd) ; \
724 mcall-linux : %(link_os_linux) ; \
725 mcall-gnu : %(link_os_gnu) ; \
726 mcall-netbsd : %(link_os_netbsd) ; \
727 mcall-openbsd: %(link_os_openbsd) ; \
728 : %(link_os_default) }"
730 #define LINK_OS_DEFAULT_SPEC ""
732 #define DRIVER_SELF_SPECS "%{mfpu=none: %<mfpu=* \
733 %<msingle-float %<mdouble-float}"
735 /* Override rs6000.h definition. */
737 #define CPP_SPEC "%{posix: -D_POSIX_SOURCE} \
738 %{mads : %(cpp_os_ads) ; \
739 myellowknife : %(cpp_os_yellowknife) ; \
740 mmvme : %(cpp_os_mvme) ; \
741 msim : %(cpp_os_sim) ; \
742 mcall-freebsd: %(cpp_os_freebsd) ; \
743 mcall-linux : %(cpp_os_linux) ; \
744 mcall-gnu : %(cpp_os_gnu) ; \
745 mcall-netbsd : %(cpp_os_netbsd) ; \
746 mcall-openbsd: %(cpp_os_openbsd) ; \
747 : %(cpp_os_default) }"
749 #define CPP_OS_DEFAULT_SPEC ""
751 /* Override svr4.h definition. */
752 #undef STARTFILE_SPEC
753 #define STARTFILE_SPEC "\
754 %{mads : %(startfile_ads) ; \
755 myellowknife : %(startfile_yellowknife) ; \
756 mmvme : %(startfile_mvme) ; \
757 msim : %(startfile_sim) ; \
758 mcall-freebsd: %(startfile_freebsd) ; \
759 mcall-linux : %(startfile_linux) ; \
760 mcall-gnu : %(startfile_gnu) ; \
761 mcall-netbsd : %(startfile_netbsd) ; \
762 mcall-openbsd: %(startfile_openbsd) ; \
763 : %(startfile_default) }"
765 #define STARTFILE_DEFAULT_SPEC "ecrti.o%s crtbegin.o%s"
767 /* Override svr4.h definition. */
770 %{mads : %(lib_ads) ; \
771 myellowknife : %(lib_yellowknife) ; \
772 mmvme : %(lib_mvme) ; \
773 msim : %(lib_sim) ; \
774 mcall-freebsd: %(lib_freebsd) ; \
775 mcall-linux : %(lib_linux) ; \
776 mcall-gnu : %(lib_gnu) ; \
777 mcall-netbsd : %(lib_netbsd) ; \
778 mcall-openbsd: %(lib_openbsd) ; \
781 #define LIB_DEFAULT_SPEC "-lc"
783 /* Override svr4.h definition. */
785 #define ENDFILE_SPEC "\
786 %{mads : %(endfile_ads) ; \
787 myellowknife : %(endfile_yellowknife) ; \
788 mmvme : %(endfile_mvme) ; \
789 msim : %(endfile_sim) ; \
790 mcall-freebsd: %(endfile_freebsd) ; \
791 mcall-linux : %(endfile_linux) ; \
792 mcall-gnu : %(endfile_gnu) ; \
793 mcall-netbsd : %(endfile_netbsd) ; \
794 mcall-openbsd: %(endfile_openbsd) ; \
795 : %(crtsavres_default) %(endfile_default) }"
797 #define CRTSAVRES_DEFAULT_SPEC ""
799 #define ENDFILE_DEFAULT_SPEC "crtend.o%s ecrtn.o%s"
801 /* Motorola ADS support. */
802 #define LIB_ADS_SPEC "--start-group -lads -lc --end-group"
804 #define STARTFILE_ADS_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s"
806 #define ENDFILE_ADS_SPEC "crtend.o%s ecrtn.o%s"
808 #define LINK_START_ADS_SPEC "-T ads.ld%s"
810 #define LINK_OS_ADS_SPEC ""
812 #define CPP_OS_ADS_SPEC ""
814 /* Motorola Yellowknife support. */
815 #define LIB_YELLOWKNIFE_SPEC "--start-group -lyk -lc --end-group"
817 #define STARTFILE_YELLOWKNIFE_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s"
819 #define ENDFILE_YELLOWKNIFE_SPEC "crtend.o%s ecrtn.o%s"
821 #define LINK_START_YELLOWKNIFE_SPEC "-T yellowknife.ld%s"
823 #define LINK_OS_YELLOWKNIFE_SPEC ""
825 #define CPP_OS_YELLOWKNIFE_SPEC ""
827 /* Motorola MVME support. */
828 #define LIB_MVME_SPEC "--start-group -lmvme -lc --end-group"
830 #define STARTFILE_MVME_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s"
832 #define ENDFILE_MVME_SPEC "crtend.o%s ecrtn.o%s"
834 #define LINK_START_MVME_SPEC "-Ttext 0x40000"
836 #define LINK_OS_MVME_SPEC ""
838 #define CPP_OS_MVME_SPEC ""
840 /* PowerPC simulator based on netbsd system calls support. */
841 #define LIB_SIM_SPEC "--start-group -lsim -lc --end-group"
843 #define STARTFILE_SIM_SPEC "ecrti.o%s sim-crt0.o%s crtbegin.o%s"
845 #define ENDFILE_SIM_SPEC "crtend.o%s ecrtn.o%s"
847 #define LINK_START_SIM_SPEC ""
849 #define LINK_OS_SIM_SPEC "-m elf32ppcsim"
851 #define CPP_OS_SIM_SPEC ""
853 /* FreeBSD support. */
855 #define CPP_OS_FREEBSD_SPEC "\
856 -D__PPC__ -D__ppc__ -D__PowerPC__ -D__powerpc__ \
857 -Acpu=powerpc -Amachine=powerpc"
859 #define STARTFILE_FREEBSD_SPEC FBSD_STARTFILE_SPEC
860 #define ENDFILE_FREEBSD_SPEC FBSD_ENDFILE_SPEC
861 #define LIB_FREEBSD_SPEC FBSD_LIB_SPEC
862 #define LINK_START_FREEBSD_SPEC ""
864 #define LINK_OS_FREEBSD_SPEC "\
865 %{p:%nconsider using `-pg' instead of `-p' with gprof(1)} \
867 %{assert*} %{R*} %{rpath*} %{defsym*} \
868 %{shared:-Bshareable %{h*} %{soname*}} \
871 %{rdynamic: -export-dynamic} \
872 %{!dynamic-linker:-dynamic-linker %(fbsd_dynamic_linker) }} \
873 %{static:-Bstatic}} \
874 %{symbolic:-Bsymbolic}"
876 /* GNU/Linux support. */
877 #define LIB_LINUX_SPEC "%{mnewlib: --start-group -llinux -lc --end-group } \
878 %{!mnewlib: %{pthread:-lpthread} %{shared:-lc} \
879 %{!shared: %{profile:-lc_p} %{!profile:-lc}}}"
882 #define STARTFILE_LINUX_SPEC "\
883 %{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} \
884 %{mnewlib:ecrti.o%s;:crti.o%s} \
885 %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
887 #define STARTFILE_LINUX_SPEC "\
888 %{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}} \
889 %{mnewlib:ecrti.o%s;:crti.o%s} \
890 %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
893 #define ENDFILE_LINUX_SPEC "\
894 %{shared|pie:crtendS.o%s;:crtend.o%s} \
895 %{mnewlib:ecrtn.o%s;:crtn.o%s}"
897 #define LINK_START_LINUX_SPEC ""
899 #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
900 #define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
902 #define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:%{muclibc:%e-mglibc and -muclibc used together}" G ";:" U "}"
904 #define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:%{mglibc:%e-mglibc and -muclibc used together}" U ";:" G "}"
906 #define LINUX_DYNAMIC_LINKER \
907 CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER)
909 #define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \
910 %{rdynamic:-export-dynamic} \
911 %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "}}}"
913 #if defined(HAVE_LD_EH_FRAME_HDR)
914 # define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
917 #define CPP_OS_LINUX_SPEC "-D__unix__ -D__gnu_linux__ -D__linux__ \
920 %{!std=*:-Dunix -D__unix -Dlinux -D__linux} \
921 %{std=gnu*:-Dunix -D__unix -Dlinux -D__linux}}} \
922 -Asystem=linux -Asystem=unix -Asystem=posix %{pthread:-D_REENTRANT}"
924 /* GNU/Hurd support. */
925 #define LIB_GNU_SPEC "%{mnewlib: --start-group -lgnu -lc --end-group } \
926 %{!mnewlib: %{shared:-lc} %{!shared: %{pthread:-lpthread } \
927 %{profile:-lc_p} %{!profile:-lc}}}"
929 #define STARTFILE_GNU_SPEC "\
930 %{!shared: %{!static: %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}} \
931 %{static: %{pg:gcrt0.o%s} %{!pg:%{p:gcrt0.o%s} %{!p:crt0.o%s}}} \
932 %{mnewlib: ecrti.o%s} %{!mnewlib: crti.o%s} \
933 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
935 #define ENDFILE_GNU_SPEC "%{!shared:crtend.o%s} %{shared:crtendS.o%s} \
936 %{mnewlib: ecrtn.o%s} %{!mnewlib: crtn.o%s}"
938 #define LINK_START_GNU_SPEC ""
940 #define LINK_OS_GNU_SPEC "-m elf32ppclinux %{!shared: %{!static: \
941 %{rdynamic:-export-dynamic} \
942 %{!dynamic-linker:-dynamic-linker /lib/ld.so.1}}}"
944 #define CPP_OS_GNU_SPEC "-D__unix__ -D__gnu_hurd__ -D__GNU__ \
946 %{!ansi: -Dunix -D__unix}} \
947 -Asystem=gnu -Asystem=unix -Asystem=posix %{pthread:-D_REENTRANT}"
949 /* NetBSD support. */
950 #define LIB_NETBSD_SPEC "\
951 %{profile:-lgmon -lc_p} %{!profile:-lc}"
953 #define STARTFILE_NETBSD_SPEC "\
955 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
957 #define ENDFILE_NETBSD_SPEC "\
958 %{!shared:crtend.o%s} %{shared:crtendS.o%s} \
961 #define LINK_START_NETBSD_SPEC "\
964 #define LINK_OS_NETBSD_SPEC "\
965 %{!shared: %{!static: \
966 %{rdynamic:-export-dynamic} \
967 %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}}}"
969 #define CPP_OS_NETBSD_SPEC "\
970 -D__powerpc__ -D__NetBSD__ -D__KPRINTF_ATTRIBUTE__"
972 /* OpenBSD support. */
973 #ifndef LIB_OPENBSD_SPEC
974 #define LIB_OPENBSD_SPEC "%{!shared:%{pthread:-lpthread%{p:_p}%{!p:%{pg:_p}}}} %{!shared:-lc%{p:_p}%{!p:%{pg:_p}}}"
977 #ifndef STARTFILE_OPENBSD_SPEC
978 #define STARTFILE_OPENBSD_SPEC "\
979 %{!shared: %{pg:gcrt0.o%s} %{!pg:%{p:gcrt0.o%s} %{!p:crt0.o%s}}} \
980 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
983 #ifndef ENDFILE_OPENBSD_SPEC
984 #define ENDFILE_OPENBSD_SPEC "\
985 %{!shared:crtend.o%s} %{shared:crtendS.o%s}"
988 #ifndef LINK_START_OPENBSD_SPEC
989 #define LINK_START_OPENBSD_SPEC "-Ttext 0x400074"
992 #ifndef LINK_OS_OPENBSD_SPEC
993 #define LINK_OS_OPENBSD_SPEC ""
996 #ifndef CPP_OS_OPENBSD_SPEC
997 #define CPP_OS_OPENBSD_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_POSIX_THREADS}"
1000 /* Define any extra SPECS that the compiler needs to generate. */
1001 /* Override rs6000.h definition. */
1002 #undef SUBTARGET_EXTRA_SPECS
1003 #define SUBTARGET_EXTRA_SPECS \
1004 { "crtsavres_default", CRTSAVRES_DEFAULT_SPEC }, \
1005 { "lib_ads", LIB_ADS_SPEC }, \
1006 { "lib_yellowknife", LIB_YELLOWKNIFE_SPEC }, \
1007 { "lib_mvme", LIB_MVME_SPEC }, \
1008 { "lib_sim", LIB_SIM_SPEC }, \
1009 { "lib_freebsd", LIB_FREEBSD_SPEC }, \
1010 { "lib_gnu", LIB_GNU_SPEC }, \
1011 { "lib_linux", LIB_LINUX_SPEC }, \
1012 { "lib_netbsd", LIB_NETBSD_SPEC }, \
1013 { "lib_openbsd", LIB_OPENBSD_SPEC }, \
1014 { "lib_default", LIB_DEFAULT_SPEC }, \
1015 { "startfile_ads", STARTFILE_ADS_SPEC }, \
1016 { "startfile_yellowknife", STARTFILE_YELLOWKNIFE_SPEC }, \
1017 { "startfile_mvme", STARTFILE_MVME_SPEC }, \
1018 { "startfile_sim", STARTFILE_SIM_SPEC }, \
1019 { "startfile_freebsd", STARTFILE_FREEBSD_SPEC }, \
1020 { "startfile_gnu", STARTFILE_GNU_SPEC }, \
1021 { "startfile_linux", STARTFILE_LINUX_SPEC }, \
1022 { "startfile_netbsd", STARTFILE_NETBSD_SPEC }, \
1023 { "startfile_openbsd", STARTFILE_OPENBSD_SPEC }, \
1024 { "startfile_default", STARTFILE_DEFAULT_SPEC }, \
1025 { "endfile_ads", ENDFILE_ADS_SPEC }, \
1026 { "endfile_yellowknife", ENDFILE_YELLOWKNIFE_SPEC }, \
1027 { "endfile_mvme", ENDFILE_MVME_SPEC }, \
1028 { "endfile_sim", ENDFILE_SIM_SPEC }, \
1029 { "endfile_freebsd", ENDFILE_FREEBSD_SPEC }, \
1030 { "endfile_gnu", ENDFILE_GNU_SPEC }, \
1031 { "endfile_linux", ENDFILE_LINUX_SPEC }, \
1032 { "endfile_netbsd", ENDFILE_NETBSD_SPEC }, \
1033 { "endfile_openbsd", ENDFILE_OPENBSD_SPEC }, \
1034 { "endfile_default", ENDFILE_DEFAULT_SPEC }, \
1035 { "link_path", LINK_PATH_SPEC }, \
1036 { "link_shlib", LINK_SHLIB_SPEC }, \
1037 { "link_target", LINK_TARGET_SPEC }, \
1038 { "link_start", LINK_START_SPEC }, \
1039 { "link_start_ads", LINK_START_ADS_SPEC }, \
1040 { "link_start_yellowknife", LINK_START_YELLOWKNIFE_SPEC }, \
1041 { "link_start_mvme", LINK_START_MVME_SPEC }, \
1042 { "link_start_sim", LINK_START_SIM_SPEC }, \
1043 { "link_start_freebsd", LINK_START_FREEBSD_SPEC }, \
1044 { "link_start_gnu", LINK_START_GNU_SPEC }, \
1045 { "link_start_linux", LINK_START_LINUX_SPEC }, \
1046 { "link_start_netbsd", LINK_START_NETBSD_SPEC }, \
1047 { "link_start_openbsd", LINK_START_OPENBSD_SPEC }, \
1048 { "link_start_default", LINK_START_DEFAULT_SPEC }, \
1049 { "link_os", LINK_OS_SPEC }, \
1050 { "link_os_ads", LINK_OS_ADS_SPEC }, \
1051 { "link_os_yellowknife", LINK_OS_YELLOWKNIFE_SPEC }, \
1052 { "link_os_mvme", LINK_OS_MVME_SPEC }, \
1053 { "link_os_sim", LINK_OS_SIM_SPEC }, \
1054 { "link_os_freebsd", LINK_OS_FREEBSD_SPEC }, \
1055 { "link_os_linux", LINK_OS_LINUX_SPEC }, \
1056 { "link_os_gnu", LINK_OS_GNU_SPEC }, \
1057 { "link_os_netbsd", LINK_OS_NETBSD_SPEC }, \
1058 { "link_os_openbsd", LINK_OS_OPENBSD_SPEC }, \
1059 { "link_os_default", LINK_OS_DEFAULT_SPEC }, \
1060 { "cc1_endian_big", CC1_ENDIAN_BIG_SPEC }, \
1061 { "cc1_endian_little", CC1_ENDIAN_LITTLE_SPEC }, \
1062 { "cc1_endian_default", CC1_ENDIAN_DEFAULT_SPEC }, \
1063 { "cc1_secure_plt_default", CC1_SECURE_PLT_DEFAULT_SPEC }, \
1064 { "cpp_os_ads", CPP_OS_ADS_SPEC }, \
1065 { "cpp_os_yellowknife", CPP_OS_YELLOWKNIFE_SPEC }, \
1066 { "cpp_os_mvme", CPP_OS_MVME_SPEC }, \
1067 { "cpp_os_sim", CPP_OS_SIM_SPEC }, \
1068 { "cpp_os_freebsd", CPP_OS_FREEBSD_SPEC }, \
1069 { "cpp_os_gnu", CPP_OS_GNU_SPEC }, \
1070 { "cpp_os_linux", CPP_OS_LINUX_SPEC }, \
1071 { "cpp_os_netbsd", CPP_OS_NETBSD_SPEC }, \
1072 { "cpp_os_openbsd", CPP_OS_OPENBSD_SPEC }, \
1073 { "cpp_os_default", CPP_OS_DEFAULT_SPEC }, \
1074 { "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER }, \
1075 SUBSUBTARGET_EXTRA_SPECS
1077 #define SUBSUBTARGET_EXTRA_SPECS
1079 /* Define this macro as a C expression for the initializer of an
1080 array of string to tell the driver program which options are
1081 defaults for this target and thus do not need to be handled
1082 specially when using `MULTILIB_OPTIONS'.
1084 Do not define this macro if `MULTILIB_OPTIONS' is not defined in
1085 the target makefile fragment or if none of the options listed in
1086 `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */
1088 #define MULTILIB_DEFAULTS { "mbig", "mcall-sysv" }
1090 /* Define this macro if the code for function profiling should come
1091 before the function prologue. Normally, the profiling code comes
1093 #define PROFILE_BEFORE_PROLOGUE 1
1095 /* Function name to call to do profiling. */
1096 #define RS6000_MCOUNT "_mcount"
1098 /* Define this macro (to a value of 1) if you want to support the
1099 Win32 style pragmas #pragma pack(push,<n>)' and #pragma
1100 pack(pop)'. The pack(push,<n>) pragma specifies the maximum
1101 alignment (in bytes) of fields within a structure, in much the
1102 same way as the __aligned__' and __packed__' __attribute__'s
1103 do. A pack value of zero resets the behavior to the default.
1104 Successive invocations of this pragma cause the previous values to
1105 be stacked, so that invocations of #pragma pack(pop)' will return
1106 to the previous value. */
1108 #define HANDLE_PRAGMA_PACK_PUSH_POP 1
1110 /* Select a format to encode pointers in exception handling data. CODE
1111 is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is
1112 true if the symbol may be affected by dynamic relocations. */
1113 #define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \
1114 ((flag_pic || TARGET_RELOCATABLE) \
1115 ? (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel | DW_EH_PE_sdata4) \
1118 #define DOUBLE_INT_ASM_OP "\t.quad\t"
1120 /* Generate entries in .fixup for relocatable addresses. */
1121 #define RELOCATABLE_NEEDS_FIXUP 1
1123 /* This target uses the sysv4.opt file. */
1124 #define TARGET_USES_SYSV4_OPT 1