sreal: Fix typo in function name
[official-gcc.git] / gcc / config / rs6000 / sysv4.h
blobae932fc22f0595570af798d366ff4f7d3f8a9cbb
1 /* Target definitions for GNU compiler for PowerPC running System V.4
2 Copyright (C) 1995-2023 Free Software Foundation, Inc.
3 Contributed by Cygnus Support.
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify it
8 under the terms of the GNU General Public License as published
9 by the Free Software Foundation; either version 3, or (at your
10 option) any later version.
12 GCC is distributed in the hope that it will be useful, but WITHOUT
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
15 License for more details.
17 Under Section 7 of GPL version 3, you are granted additional
18 permissions described in the GCC Runtime Library Exception, version
19 3.1, as published by the Free Software Foundation.
21 You should have received a copy of the GNU General Public License and
22 a copy of the GCC Runtime Library Exception along with this program;
23 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
24 <http://www.gnu.org/licenses/>. */
26 #undef GNU_USER_TARGET_CRTI
27 #define GNU_USER_TARGET_CRTI "%{mnewlib:ecrti.o%s;:crti.o%s}"
28 #undef GNU_USER_TARGET_CRTN
29 #define GNU_USER_TARGET_CRTN "%{mnewlib:ecrtn.o%s;:crtn.o%s}"
31 /* Yes! We are ELF. */
32 #define TARGET_OBJECT_FORMAT OBJECT_ELF
34 /* Default ABI to compile code for. */
35 #define DEFAULT_ABI rs6000_current_abi
37 /* Default ABI to use. */
38 #define RS6000_ABI_NAME "sysv"
40 /* Override rs6000.h definition. */
41 #undef ASM_DEFAULT_SPEC
42 #define ASM_DEFAULT_SPEC "-mppc%{m64:64}"
44 #define TARGET_HAS_TOC (TARGET_64BIT \
45 || (TARGET_MINIMAL_TOC \
46 && flag_pic > 1) \
47 || DEFAULT_ABI != ABI_V4)
49 #define TARGET_BITFIELD_TYPE (! TARGET_NO_BITFIELD_TYPE)
50 #define TARGET_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN)
51 #define TARGET_PROTOTYPE target_prototype
52 #define TARGET_NO_PROTOTYPE (! TARGET_PROTOTYPE)
53 #define TARGET_NO_EABI (! TARGET_EABI)
54 #define TARGET_REGNAMES rs6000_regnames
56 #ifdef HAVE_AS_REL16
57 #undef TARGET_SECURE_PLT
58 #define TARGET_SECURE_PLT secure_plt
59 #endif
61 #if HAVE_AS_PLTSEQ
62 #undef TARGET_PLTSEQ
63 #define TARGET_PLTSEQ rs6000_pltseq
64 #endif
66 #define SDATA_DEFAULT_SIZE 8
68 /* The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to
69 get control in TARGET_OPTION_OVERRIDE. */
71 #define SUBTARGET_OVERRIDE_OPTIONS \
72 do { \
73 if (!OPTION_SET_P (g_switch_value)) \
74 g_switch_value = SDATA_DEFAULT_SIZE; \
76 if (rs6000_abi_name == NULL) \
77 rs6000_abi_name = RS6000_ABI_NAME; \
79 if (!strcmp (rs6000_abi_name, "sysv")) \
80 rs6000_current_abi = ABI_V4; \
81 else if (!strcmp (rs6000_abi_name, "sysv-noeabi")) \
82 { \
83 rs6000_current_abi = ABI_V4; \
84 rs6000_isa_flags &= ~ OPTION_MASK_EABI; \
85 } \
86 else if (!strcmp (rs6000_abi_name, "sysv-eabi") \
87 || !strcmp (rs6000_abi_name, "eabi")) \
88 { \
89 rs6000_current_abi = ABI_V4; \
90 rs6000_isa_flags |= OPTION_MASK_EABI; \
91 } \
92 else if (!strcmp (rs6000_abi_name, "aixdesc")) \
93 rs6000_current_abi = ABI_AIX; \
94 else if (!strcmp (rs6000_abi_name, "freebsd") \
95 || !strcmp (rs6000_abi_name, "linux")) \
96 { \
97 if (TARGET_64BIT) \
98 rs6000_current_abi = ABI_AIX; \
99 else \
100 rs6000_current_abi = ABI_V4; \
102 else if (!strcmp (rs6000_abi_name, "netbsd")) \
103 rs6000_current_abi = ABI_V4; \
104 else if (!strcmp (rs6000_abi_name, "openbsd")) \
105 rs6000_current_abi = ABI_V4; \
106 else if (!strcmp (rs6000_abi_name, "i960-old")) \
108 rs6000_current_abi = ABI_V4; \
109 rs6000_isa_flags |= (OPTION_MASK_LITTLE_ENDIAN | OPTION_MASK_EABI); \
110 rs6000_isa_flags &= ~OPTION_MASK_STRICT_ALIGN; \
111 TARGET_NO_BITFIELD_WORD = 1; \
113 else \
115 rs6000_current_abi = ABI_V4; \
116 error ("bad value for %<%s-%s%>", "-mcall", rs6000_abi_name); \
119 if (rs6000_sdata_name) \
121 if (!strcmp (rs6000_sdata_name, "none")) \
122 rs6000_sdata = SDATA_NONE; \
123 else if (!strcmp (rs6000_sdata_name, "data")) \
124 rs6000_sdata = SDATA_DATA; \
125 else if (!strcmp (rs6000_sdata_name, "default")) \
126 rs6000_sdata = (TARGET_EABI) ? SDATA_EABI : SDATA_SYSV; \
127 else if (!strcmp (rs6000_sdata_name, "sysv")) \
128 rs6000_sdata = SDATA_SYSV; \
129 else if (!strcmp (rs6000_sdata_name, "eabi")) \
130 rs6000_sdata = SDATA_EABI; \
131 else \
132 error ("bad value for %<%s=%s%>", "-msdata", rs6000_sdata_name);\
134 else if (DEFAULT_ABI == ABI_V4) \
136 rs6000_sdata = SDATA_DATA; \
137 rs6000_sdata_name = "data"; \
139 else \
141 rs6000_sdata = SDATA_NONE; \
142 rs6000_sdata_name = "none"; \
145 if (TARGET_RELOCATABLE && \
146 (rs6000_sdata == SDATA_EABI || rs6000_sdata == SDATA_SYSV)) \
148 rs6000_sdata = SDATA_DATA; \
149 error ("%qs and %<%s=%s%> are incompatible", rs6000_sdata_name, \
150 "-mrelocatable", "-msdata"); \
153 else if (flag_pic && DEFAULT_ABI == ABI_V4 \
154 && (rs6000_sdata == SDATA_EABI \
155 || rs6000_sdata == SDATA_SYSV)) \
157 rs6000_sdata = SDATA_DATA; \
158 error ("%<-f%s%> and %<%s=%s%> are incompatible", \
159 (flag_pic > 1) ? "PIC" : "pic", \
160 "-msdata", rs6000_sdata_name); \
163 if ((rs6000_sdata != SDATA_NONE && DEFAULT_ABI != ABI_V4) \
164 || (rs6000_sdata == SDATA_EABI && !TARGET_EABI)) \
166 rs6000_sdata = SDATA_NONE; \
167 error ("%<%s=%s%> and %<%s-%s%> are incompatible", \
168 "-msdata", rs6000_sdata_name, "-mcall", rs6000_abi_name); \
171 targetm.have_srodata_section = rs6000_sdata == SDATA_EABI; \
173 if (TARGET_RELOCATABLE && !TARGET_MINIMAL_TOC) \
175 rs6000_isa_flags |= OPTION_MASK_MINIMAL_TOC; \
176 error ("%qs and %qs are incompatible", "-mrelocatable", \
177 "-mno-minimal-toc"); \
180 if (TARGET_RELOCATABLE && rs6000_current_abi != ABI_V4) \
182 rs6000_isa_flags &= ~OPTION_MASK_RELOCATABLE; \
183 error ("%qs and %<%s-%s%> are incompatible", \
184 "-mrelocatable", "-mcall", rs6000_abi_name); \
187 if (!TARGET_64BIT && flag_pic > 1 && rs6000_current_abi != ABI_V4) \
189 flag_pic = 0; \
190 error ("%qs and %<%s-%s%> are incompatible", \
191 "-fPIC", "-mcall", rs6000_abi_name); \
194 if (TARGET_SECURE_PLT != secure_plt) \
196 error ("%qs not supported by your assembler", "-msecure-plt"); \
199 if (TARGET_PLTSEQ != rs6000_pltseq \
200 && OPTION_SET_P (rs6000_pltseq)) \
202 error ("%qs not supported by your assembler", "-mpltseq"); \
205 if (DEFAULT_ABI == ABI_V4 && TARGET_PLTSEQ && !TARGET_SECURE_PLT) \
207 if (OPTION_SET_P (rs6000_pltseq)) \
209 if (OPTION_SET_P (secure_plt)) \
210 error ("%qs and %qs are incompatible", \
211 "-mpltseq", "-mbss-plt"); \
212 else \
213 secure_plt = true; \
215 if (!TARGET_SECURE_PLT) \
216 rs6000_pltseq = false; \
219 if (flag_pic > 1 && DEFAULT_ABI == ABI_V4) \
221 /* Note: flag_pic should not change any option flags that would \
222 be invalid with or pessimise -fno-PIC code. LTO turns off \
223 flag_pic when linking/recompiling a fixed position executable. \
224 However, if the objects were originally compiled with -fPIC, \
225 then other target options forced on here by -fPIC are restored \
226 when recompiling those objects without -fPIC. In particular \
227 TARGET_RELOCATABLE must not be enabled here by flag_pic. */ \
228 rs6000_isa_flags |= OPTION_MASK_MINIMAL_TOC; \
229 TARGET_NO_FP_IN_TOC = 1; \
232 if (TARGET_RELOCATABLE) \
234 if (!flag_pic) \
235 flag_pic = 2; \
236 TARGET_NO_FP_IN_TOC = 1; \
238 } while (0)
240 #ifndef RS6000_BI_ARCH
241 # define SUBSUBTARGET_OVERRIDE_OPTIONS \
242 do { \
243 if ((TARGET_DEFAULT ^ rs6000_isa_flags) & OPTION_MASK_64BIT) \
244 error ("%<-m%s%> not supported in this configuration", \
245 (rs6000_isa_flags & OPTION_MASK_64BIT) ? "64" : "32"); \
246 } while (0)
247 #endif
249 /* Override rs6000.h definition. */
250 #undef TARGET_DEFAULT
251 #define TARGET_DEFAULT 0
253 /* Override rs6000.h definition. */
254 #undef PROCESSOR_DEFAULT
255 #define PROCESSOR_DEFAULT PROCESSOR_PPC750
257 #define FIXED_R2 1
258 /* System V.4 uses register 13 as a pointer to the small data area,
259 so it is not available to the normal user. */
260 #define FIXED_R13 1
262 /* Override default big endianism definitions in rs6000.h. */
263 #undef BYTES_BIG_ENDIAN
264 #undef WORDS_BIG_ENDIAN
265 #define BYTES_BIG_ENDIAN (TARGET_BIG_ENDIAN)
266 #define WORDS_BIG_ENDIAN (TARGET_BIG_ENDIAN)
268 /* Put jump tables in read-only memory, rather than in .text. */
269 #define JUMP_TABLES_IN_TEXT_SECTION 0
271 /* Prefix and suffix to use to saving floating point. */
272 #define SAVE_FP_PREFIX "_savefpr_"
273 #define SAVE_FP_SUFFIX ""
275 /* Prefix and suffix to use to restoring floating point. */
276 #define RESTORE_FP_PREFIX "_restfpr_"
277 #define RESTORE_FP_SUFFIX ""
279 /* Type used for size_t, as a string used in a declaration. */
280 #undef SIZE_TYPE
281 #define SIZE_TYPE "unsigned int"
283 /* Type used for ptrdiff_t, as a string used in a declaration. */
284 #define PTRDIFF_TYPE "int"
286 #undef WCHAR_TYPE
287 #define WCHAR_TYPE "long int"
289 #undef WCHAR_TYPE_SIZE
290 #define WCHAR_TYPE_SIZE 32
292 /* Make int foo : 8 not cause structures to be aligned to an int boundary. */
293 /* Override elfos.h definition. */
294 #undef PCC_BITFIELD_TYPE_MATTERS
295 #define PCC_BITFIELD_TYPE_MATTERS (TARGET_BITFIELD_TYPE)
297 #undef BITFIELD_NBYTES_LIMITED
298 #define BITFIELD_NBYTES_LIMITED (TARGET_NO_BITFIELD_WORD)
300 /* Define this macro to be the value 1 if instructions will fail to
301 work if given data not on the nominal alignment. If instructions
302 will merely go slower in that case, define this macro as 0. */
303 #undef STRICT_ALIGNMENT
304 #define STRICT_ALIGNMENT (TARGET_STRICT_ALIGN)
306 /* Define this macro if you wish to preserve a certain alignment for
307 the stack pointer, greater than what the hardware enforces. The
308 definition is a C expression for the desired alignment (measured
309 in bits). This macro must evaluate to a value equal to or larger
310 than STACK_BOUNDARY.
311 For the SYSV ABI and variants the alignment of the stack pointer
312 is usually controlled manually in rs6000.cc. However, to maintain
313 alignment across alloca () in all circumstances,
314 PREFERRED_STACK_BOUNDARY needs to be set as well.
315 This has the additional advantage of allowing a bigger maximum
316 alignment of user objects on the stack. */
318 #undef PREFERRED_STACK_BOUNDARY
319 #define PREFERRED_STACK_BOUNDARY 128
321 /* Real stack boundary as mandated by the appropriate ABI. */
322 #define ABI_STACK_BOUNDARY \
323 ((TARGET_EABI && !TARGET_ALTIVEC && !TARGET_ALTIVEC_ABI) ? 64 : 128)
325 /* An expression for the alignment of a structure field FIELD if the
326 alignment computed in the usual way is COMPUTED. */
327 #define ADJUST_FIELD_ALIGN(FIELD, TYPE, COMPUTED) \
328 (COMPUTED)
330 #undef BIGGEST_FIELD_ALIGNMENT
332 /* Use ELF style section commands. */
334 #define TEXT_SECTION_ASM_OP "\t.section\t\".text\""
336 #define DATA_SECTION_ASM_OP "\t.section\t\".data\""
338 #define BSS_SECTION_ASM_OP "\t.section\t\".bss\""
340 /* Override elfos.h definition. */
341 #undef INIT_SECTION_ASM_OP
342 #define INIT_SECTION_ASM_OP "\t.section\t\".init\",\"ax\""
344 /* Override elfos.h definition. */
345 #undef FINI_SECTION_ASM_OP
346 #define FINI_SECTION_ASM_OP "\t.section\t\".fini\",\"ax\""
348 #define TOC_SECTION_ASM_OP "\t.section\t\".got\",\"aw\""
350 /* Put PC relative got entries in .got2. */
351 #define MINIMAL_TOC_SECTION_ASM_OP \
352 (flag_pic ? "\t.section\t\".got2\",\"aw\"" : "\t.section\t\".got1\",\"aw\"")
354 #define SDATA_SECTION_ASM_OP "\t.section\t\".sdata\",\"aw\""
355 #define SDATA2_SECTION_ASM_OP "\t.section\t\".sdata2\",\"a\""
356 #define SBSS_SECTION_ASM_OP "\t.section\t\".sbss\",\"aw\",@nobits"
358 /* Override default elf definitions. */
359 #define TARGET_ASM_INIT_SECTIONS rs6000_elf_asm_init_sections
360 #undef TARGET_ASM_RELOC_RW_MASK
361 #define TARGET_ASM_RELOC_RW_MASK rs6000_elf_reloc_rw_mask
362 #undef TARGET_ASM_SELECT_RTX_SECTION
363 #define TARGET_ASM_SELECT_RTX_SECTION rs6000_elf_select_rtx_section
365 /* Return nonzero if this entry is to be written into the constant pool
366 in a special way. We do so if this is a SYMBOL_REF, LABEL_REF or a CONST
367 containing one of them. If -mfp-in-toc (the default), we also do
368 this for floating-point constants. We actually can only do this
369 if the FP formats of the target and host machines are the same, but
370 we can't check that since not every file that uses these target macros
371 includes real.h.
373 Unlike AIX, we don't key off of -mminimal-toc, but instead do not
374 allow floating point constants in the TOC if -mrelocatable. */
376 #undef ASM_OUTPUT_SPECIAL_POOL_ENTRY_P
377 #define ASM_OUTPUT_SPECIAL_POOL_ENTRY_P(X, MODE) \
378 (TARGET_TOC \
379 && (SYMBOL_REF_P (X) \
380 || (GET_CODE (X) == CONST && GET_CODE (XEXP (X, 0)) == PLUS \
381 && SYMBOL_REF_P (XEXP (XEXP (X, 0), 0))) \
382 || GET_CODE (X) == LABEL_REF \
383 || (CONST_INT_P (X) \
384 && GET_MODE_BITSIZE (MODE) <= GET_MODE_BITSIZE (Pmode)) \
385 || (!TARGET_NO_FP_IN_TOC \
386 && CONST_DOUBLE_P (X) \
387 && SCALAR_FLOAT_MODE_P (GET_MODE (X)) \
388 && BITS_PER_WORD == HOST_BITS_PER_INT)))
390 /* These macros generate the special .type and .size directives which
391 are used to set the corresponding fields of the linker symbol table
392 entries in an ELF object file under SVR4. These macros also output
393 the starting labels for the relevant functions/objects. */
395 /* Write the extra assembler code needed to declare a function properly.
396 Some svr4 assemblers need to also have something extra said about the
397 function's return value. We allow for that here. */
399 /* Override elfos.h definition. */
400 #undef ASM_DECLARE_FUNCTION_NAME
401 #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
402 rs6000_elf_declare_function_name ((FILE), (NAME), (DECL))
404 /* The USER_LABEL_PREFIX stuff is affected by the -fleading-underscore
405 flag. The LOCAL_LABEL_PREFIX variable is used by dbxelf.h. */
407 #define LOCAL_LABEL_PREFIX "."
408 #define USER_LABEL_PREFIX ""
410 #define ASM_OUTPUT_INTERNAL_LABEL_PREFIX(FILE,PREFIX) \
411 asm_fprintf (FILE, "%L%s", PREFIX)
413 /* Globalizing directive for a label. */
414 #define GLOBAL_ASM_OP "\t.globl "
416 /* This says how to output assembler code to declare an
417 uninitialized internal linkage data object. Under SVR4,
418 the linker seems to want the alignment of data objects
419 to depend on their types. We do exactly that here. */
421 #define LOCAL_ASM_OP "\t.local\t"
423 #define LCOMM_ASM_OP "\t.lcomm\t"
425 /* Describe how to emit uninitialized local items. */
426 #define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \
427 do { \
428 if ((DECL) && rs6000_elf_in_small_data_p (DECL)) \
430 switch_to_section (sbss_section); \
431 ASM_OUTPUT_ALIGN (FILE, exact_log2 (ALIGN / BITS_PER_UNIT)); \
432 ASM_OUTPUT_LABEL (FILE, NAME); \
433 ASM_OUTPUT_SKIP (FILE, SIZE); \
434 if (!flag_inhibit_size_directive && (SIZE) > 0) \
435 ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, SIZE); \
437 else \
439 fprintf (FILE, "%s", LCOMM_ASM_OP); \
440 assemble_name ((FILE), (NAME)); \
441 fprintf ((FILE), "," HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \
442 (SIZE), (ALIGN) / BITS_PER_UNIT); \
444 ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \
445 } while (0)
447 /* Describe how to emit uninitialized external linkage items. */
448 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
449 do { \
450 ASM_OUTPUT_ALIGNED_DECL_LOCAL (FILE, DECL, NAME, SIZE, ALIGN); \
451 } while (0)
453 #ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
454 /* To support -falign-* switches we need to use .p2align so
455 that alignment directives in code sections will be padded
456 with no-op instructions, rather than zeroes. */
457 #define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
458 if ((LOG) != 0) \
460 if ((MAX_SKIP) == 0) \
461 fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
462 else \
463 fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
465 #endif
467 /* This is how to output code to push a register on the stack.
468 It need not be very fast code.
470 On the rs6000, we must keep the backchain up to date. In order
471 to simplify things, always allocate 16 bytes for a push (System V
472 wants to keep stack aligned to a 16 byte boundary). */
474 #define ASM_OUTPUT_REG_PUSH(FILE, REGNO) \
475 do { \
476 if (DEFAULT_ABI == ABI_V4) \
477 asm_fprintf (FILE, \
478 "\tstwu %s,-16(%s)\n\tstw %s,12(%s)\n", \
479 reg_names[1], reg_names[1], reg_names[REGNO], \
480 reg_names[1]); \
481 } while (0)
483 /* This is how to output an insn to pop a register from the stack.
484 It need not be very fast code. */
486 #define ASM_OUTPUT_REG_POP(FILE, REGNO) \
487 do { \
488 if (DEFAULT_ABI == ABI_V4) \
489 asm_fprintf (FILE, \
490 "\tlwz %s,12(%s)\n\taddi %s,%s,16\n", \
491 reg_names[REGNO], reg_names[1], reg_names[1], \
492 reg_names[1]); \
493 } while (0)
495 extern int fixuplabelno;
497 /* Handle constructors specially for -mrelocatable. */
498 #define TARGET_ASM_CONSTRUCTOR rs6000_elf_asm_out_constructor
499 #define TARGET_ASM_DESTRUCTOR rs6000_elf_asm_out_destructor
501 /* This is the end of what might become sysv4.h. */
503 /* Use DWARF 2 debugging information by default. */
504 #undef PREFERRED_DEBUGGING_TYPE
505 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
507 #define TARGET_ENCODE_SECTION_INFO rs6000_elf_encode_section_info
508 #define TARGET_IN_SMALL_DATA_P rs6000_elf_in_small_data_p
510 /* The ELF version doesn't encode [DS] or whatever at the end of symbols. */
512 #define RS6000_OUTPUT_BASENAME(FILE, NAME) \
513 assemble_name (FILE, NAME)
515 /* This is the end of what might become sysv4dbx.h. */
517 #define TARGET_OS_SYSV_CPP_BUILTINS() \
518 do \
520 if (rs6000_isa_flags_explicit \
521 & OPTION_MASK_RELOCATABLE) \
522 builtin_define ("_RELOCATABLE"); \
524 while (0)
526 #ifndef TARGET_OS_CPP_BUILTINS
527 #define TARGET_OS_CPP_BUILTINS() \
528 do \
530 builtin_define_std ("PPC"); \
531 builtin_define_std ("unix"); \
532 builtin_define ("__svr4__"); \
533 builtin_assert ("system=unix"); \
534 builtin_assert ("system=svr4"); \
535 builtin_assert ("cpu=powerpc"); \
536 builtin_assert ("machine=powerpc"); \
537 TARGET_OS_SYSV_CPP_BUILTINS (); \
539 while (0)
540 #endif
542 /* Select one of BIG_OPT, LITTLE_OPT or DEFAULT_OPT depending
543 on various -mbig, -mlittle and -mcall- options. */
544 #define ENDIAN_SELECT(BIG_OPT, LITTLE_OPT, DEFAULT_OPT) \
545 "%{mlittle|mlittle-endian:" LITTLE_OPT ";" \
546 "mbig|mbig-endian:" BIG_OPT ";" \
547 "mcall-i960-old:" LITTLE_OPT ";" \
548 ":" DEFAULT_OPT "}"
550 #define DEFAULT_ASM_ENDIAN " -mbig"
552 #undef ASM_SPEC
553 #define ASM_SPEC "%(asm_cpu) \
554 %{,assembler|,assembler-with-cpp: %{mregnames} %{mno-regnames}} \
555 %{mrelocatable} %{mrelocatable-lib} %{" FPIE_OR_FPIC_SPEC ":-K PIC} \
556 %{memb|msdata=eabi: -memb}" \
557 ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN)
559 #ifndef CC1_SECURE_PLT_DEFAULT_SPEC
560 #define CC1_SECURE_PLT_DEFAULT_SPEC ""
561 #endif
562 #ifndef LINK_SECURE_PLT_DEFAULT_SPEC
563 #define LINK_SECURE_PLT_DEFAULT_SPEC ""
564 #endif
566 /* Pass -G xxx to the compiler. */
567 #undef CC1_SPEC
568 #define CC1_SPEC "%{G*} %(cc1_cpu)" \
569 "%{meabi: %{!mcall-*: -mcall-sysv }} \
570 %{!meabi: %{!mno-eabi: \
571 %{mrelocatable: -meabi } \
572 %{mcall-freebsd: -mno-eabi } \
573 %{mcall-i960-old: -meabi } \
574 %{mcall-linux: -mno-eabi } \
575 %{mcall-netbsd: -mno-eabi } \
576 %{mcall-openbsd: -mno-eabi }}} \
577 %{msdata: -msdata=default} \
578 %{mno-sdata: -msdata=none} \
579 %{!mbss-plt: %{!msecure-plt: %(cc1_secure_plt_default)}}" \
580 GNU_USER_TARGET_CC1_SPEC
582 /* Default starting address if specified. */
583 #define LINK_START_SPEC "\
584 %{mads : %(link_start_ads) ; \
585 myellowknife : %(link_start_yellowknife) ; \
586 mmvme : %(link_start_mvme) ; \
587 msim : %(link_start_sim) ; \
588 mcall-freebsd: %(link_start_freebsd) ; \
589 mcall-linux : %(link_start_linux) ; \
590 mcall-netbsd : %(link_start_netbsd) ; \
591 mcall-openbsd: %(link_start_openbsd) ; \
592 : %(link_start_default) }"
594 #define LINK_START_DEFAULT_SPEC ""
595 #define LINK_SECURE_PLT_SPEC LINK_SECURE_PLT_DEFAULT_SPEC
597 #undef LINK_SPEC
598 #define LINK_SPEC "\
599 %{h*} %{v:-V} %{!msdata=none:%{G*}} %{msdata=none:-G0} \
600 %{R*} \
601 %(link_shlib) \
602 %{!T*: %(link_start) } \
603 %{!static: %{!mbss-plt: %(link_secure_plt)}} \
604 %(link_os)"
606 /* Shared libraries are not default. */
607 #define LINK_SHLIB_SPEC "\
608 %{!mshlib: %{!shared: %{!symbolic: -dn -Bstatic}}} \
609 %{static: } \
610 %{shared:-G -dy -z text } \
611 %{symbolic:-Bsymbolic -G -dy -z text }"
613 /* Any specific OS flags. */
614 #define LINK_OS_SPEC "\
615 %{mads : %(link_os_ads) ; \
616 myellowknife : %(link_os_yellowknife) ; \
617 mmvme : %(link_os_mvme) ; \
618 msim : %(link_os_sim) ; \
619 mcall-freebsd: %(link_os_freebsd) ; \
620 mcall-linux : %(link_os_linux) ; \
621 mcall-netbsd : %(link_os_netbsd) ; \
622 mcall-openbsd: %(link_os_openbsd) ; \
623 : %(link_os_default) }"
625 #define LINK_OS_DEFAULT_SPEC ""
627 /* Override rs6000.h definition. */
628 #undef CPP_SPEC
629 #define CPP_SPEC "%{posix: -D_POSIX_SOURCE} \
630 %{mads : %(cpp_os_ads) ; \
631 myellowknife : %(cpp_os_yellowknife) ; \
632 mmvme : %(cpp_os_mvme) ; \
633 msim : %(cpp_os_sim) ; \
634 mcall-freebsd: %(cpp_os_freebsd) ; \
635 mcall-linux : %(cpp_os_linux) ; \
636 mcall-netbsd : %(cpp_os_netbsd) ; \
637 mcall-openbsd: %(cpp_os_openbsd) ; \
638 : %(cpp_os_default) }"
640 #define CPP_OS_DEFAULT_SPEC ""
642 #undef STARTFILE_SPEC
643 #define STARTFILE_SPEC "\
644 %{mads : %(startfile_ads) ; \
645 myellowknife : %(startfile_yellowknife) ; \
646 mmvme : %(startfile_mvme) ; \
647 msim : %(startfile_sim) ; \
648 mcall-freebsd: %(startfile_freebsd) ; \
649 mcall-linux : %(startfile_linux) ; \
650 mcall-netbsd : %(startfile_netbsd) ; \
651 mcall-openbsd: %(startfile_openbsd) ; \
652 : %(startfile_default) }"
654 #define STARTFILE_DEFAULT_SPEC "ecrti.o%s crtbegin.o%s"
656 #undef LIB_SPEC
657 #define LIB_SPEC "\
658 %{mads : %(lib_ads) ; \
659 myellowknife : %(lib_yellowknife) ; \
660 mmvme : %(lib_mvme) ; \
661 msim : %(lib_sim) ; \
662 mcall-freebsd: %(lib_freebsd) ; \
663 mcall-linux : %(lib_linux) ; \
664 mcall-netbsd : %(lib_netbsd) ; \
665 mcall-openbsd: %(lib_openbsd) ; \
666 : %(lib_default) }"
668 #define LIB_DEFAULT_SPEC "-lc"
670 #undef ENDFILE_SPEC
671 #define ENDFILE_SPEC "\
672 %{mads : %(endfile_ads) ; \
673 myellowknife : %(endfile_yellowknife) ; \
674 mmvme : %(endfile_mvme) ; \
675 msim : %(endfile_sim) ; \
676 mcall-freebsd: %(endfile_freebsd) ; \
677 mcall-linux : %(endfile_linux) ; \
678 mcall-netbsd : %(endfile_netbsd) ; \
679 mcall-openbsd: %(endfile_openbsd) ; \
680 : %(crtsavres_default) %(endfile_default) }"
682 #define CRTSAVRES_DEFAULT_SPEC ""
684 #define ENDFILE_DEFAULT_SPEC "crtend.o%s ecrtn.o%s"
686 /* Motorola ADS support. */
687 #define LIB_ADS_SPEC "--start-group -lads -lc --end-group"
689 #define STARTFILE_ADS_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s"
691 #define ENDFILE_ADS_SPEC "crtend.o%s ecrtn.o%s"
693 #define LINK_START_ADS_SPEC "-T ads.ld%s"
695 #define LINK_OS_ADS_SPEC ""
697 #define CPP_OS_ADS_SPEC ""
699 /* Motorola Yellowknife support. */
700 #define LIB_YELLOWKNIFE_SPEC "--start-group -lyk -lc --end-group"
702 #define STARTFILE_YELLOWKNIFE_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s"
704 #define ENDFILE_YELLOWKNIFE_SPEC "crtend.o%s ecrtn.o%s"
706 #define LINK_START_YELLOWKNIFE_SPEC "-T yellowknife.ld%s"
708 #define LINK_OS_YELLOWKNIFE_SPEC ""
710 #define CPP_OS_YELLOWKNIFE_SPEC ""
712 /* Motorola MVME support. */
713 #define LIB_MVME_SPEC "--start-group -lmvme -lc --end-group"
715 #define STARTFILE_MVME_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s"
717 #define ENDFILE_MVME_SPEC "crtend.o%s ecrtn.o%s"
719 #define LINK_START_MVME_SPEC "-Ttext 0x40000"
721 #define LINK_OS_MVME_SPEC ""
723 #define CPP_OS_MVME_SPEC ""
725 /* PowerPC simulator based on netbsd system calls support. */
726 #define LIB_SIM_SPEC "--start-group -lsim -lc --end-group"
728 #define STARTFILE_SIM_SPEC "ecrti.o%s sim-crt0.o%s crtbegin.o%s"
730 #define ENDFILE_SIM_SPEC "crtend.o%s ecrtn.o%s"
732 #define LINK_START_SIM_SPEC ""
734 #define LINK_OS_SIM_SPEC "-m elf32ppcsim"
736 #define CPP_OS_SIM_SPEC ""
738 /* FreeBSD support. */
740 #define CPP_OS_FREEBSD_SPEC "\
741 -D__PPC__ -D__ppc__ -D__PowerPC__ -D__powerpc__ \
742 -Acpu=powerpc -Amachine=powerpc"
744 #define STARTFILE_FREEBSD_SPEC FBSD_STARTFILE_SPEC
745 #define ENDFILE_FREEBSD_SPEC FBSD_ENDFILE_SPEC
746 #define LIB_FREEBSD_SPEC FBSD_LIB_SPEC
747 #define LINK_START_FREEBSD_SPEC ""
749 #define LINK_OS_FREEBSD_SPEC "\
750 %{p:%nconsider using '-pg' instead of '-p' with gprof(1)} \
751 %{v:-V} \
752 %{assert*} %{R*} %{rpath*} %{defsym*} \
753 %{shared:-Bshareable %{h*} %{soname*}} \
754 %{!shared: \
755 %{!static: \
756 %{rdynamic: -export-dynamic} \
757 -dynamic-linker %(fbsd_dynamic_linker) } \
758 %{static:-Bstatic}} \
759 %{symbolic:-Bsymbolic}"
761 /* GNU/Linux support. */
762 #define LIB_LINUX_SPEC \
763 "%{mnewlib: --start-group -llinux -lc --end-group; \
764 :" GNU_USER_TARGET_LIB_SPEC "}"
766 #define STARTFILE_LINUX_SPEC GNU_USER_TARGET_STARTFILE_SPEC
768 #define ENDFILE_LINUX_SPEC GNU_USER_TARGET_ENDFILE_SPEC
770 #define LINK_START_LINUX_SPEC ""
772 #define MUSL_DYNAMIC_LINKER_E ENDIAN_SELECT("","le","")
774 #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
775 #undef MUSL_DYNAMIC_LINKER
776 #define MUSL_DYNAMIC_LINKER \
777 "/lib/ld-musl-powerpc" MUSL_DYNAMIC_LINKER_E "%{msoft-float:-sf}.so.1"
779 #ifndef GNU_USER_DYNAMIC_LINKER
780 #define GNU_USER_DYNAMIC_LINKER GLIBC_DYNAMIC_LINKER
781 #endif
783 #define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \
784 %{rdynamic:-export-dynamic} \
785 -dynamic-linker " GNU_USER_DYNAMIC_LINKER "}}"
787 #define CPP_OS_LINUX_SPEC "%{pthread:-D_REENTRANT}"
789 /* NetBSD support. */
790 #define LIB_NETBSD_SPEC "\
791 -lc"
793 #define STARTFILE_NETBSD_SPEC "\
794 ncrti.o%s crt0.o%s \
795 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
797 #define ENDFILE_NETBSD_SPEC "\
798 %{!shared:crtend.o%s} %{shared:crtendS.o%s} \
799 ncrtn.o%s"
801 #define LINK_START_NETBSD_SPEC "\
804 #define LINK_OS_NETBSD_SPEC "\
805 %{!shared: %{!static: \
806 %{rdynamic:-export-dynamic} \
807 -dynamic-linker /usr/libexec/ld.elf_so}}"
809 #define CPP_OS_NETBSD_SPEC "\
810 -D__powerpc__ -D__NetBSD__ -D__KPRINTF_ATTRIBUTE__"
812 /* OpenBSD support. */
813 #ifndef LIB_OPENBSD_SPEC
814 #define LIB_OPENBSD_SPEC "%{!shared:%{pthread:-lpthread%{p:_p}%{!p:%{pg:_p}}}} %{!shared:-lc%{p:_p}%{!p:%{pg:_p}}}"
815 #endif
817 #ifndef STARTFILE_OPENBSD_SPEC
818 #define STARTFILE_OPENBSD_SPEC "\
819 %{!shared: %{pg:gcrt0.o%s} %{!pg:%{p:gcrt0.o%s} %{!p:crt0.o%s}}} \
820 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
821 #endif
823 #ifndef ENDFILE_OPENBSD_SPEC
824 #define ENDFILE_OPENBSD_SPEC "\
825 %{!shared:crtend.o%s} %{shared:crtendS.o%s}"
826 #endif
828 #ifndef LINK_START_OPENBSD_SPEC
829 #define LINK_START_OPENBSD_SPEC "-Ttext 0x400074"
830 #endif
832 #ifndef LINK_OS_OPENBSD_SPEC
833 #define LINK_OS_OPENBSD_SPEC ""
834 #endif
836 #ifndef CPP_OS_OPENBSD_SPEC
837 #define CPP_OS_OPENBSD_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_POSIX_THREADS}"
838 #endif
840 /* Define any extra SPECS that the compiler needs to generate. */
841 /* Override rs6000.h definition. */
842 #undef SUBTARGET_EXTRA_SPECS
843 #define SUBTARGET_EXTRA_SPECS \
844 { "crtsavres_default", CRTSAVRES_DEFAULT_SPEC }, \
845 { "lib_ads", LIB_ADS_SPEC }, \
846 { "lib_yellowknife", LIB_YELLOWKNIFE_SPEC }, \
847 { "lib_mvme", LIB_MVME_SPEC }, \
848 { "lib_sim", LIB_SIM_SPEC }, \
849 { "lib_freebsd", LIB_FREEBSD_SPEC }, \
850 { "lib_linux", LIB_LINUX_SPEC }, \
851 { "lib_netbsd", LIB_NETBSD_SPEC }, \
852 { "lib_openbsd", LIB_OPENBSD_SPEC }, \
853 { "lib_default", LIB_DEFAULT_SPEC }, \
854 { "startfile_ads", STARTFILE_ADS_SPEC }, \
855 { "startfile_yellowknife", STARTFILE_YELLOWKNIFE_SPEC }, \
856 { "startfile_mvme", STARTFILE_MVME_SPEC }, \
857 { "startfile_sim", STARTFILE_SIM_SPEC }, \
858 { "startfile_freebsd", STARTFILE_FREEBSD_SPEC }, \
859 { "startfile_linux", STARTFILE_LINUX_SPEC }, \
860 { "startfile_netbsd", STARTFILE_NETBSD_SPEC }, \
861 { "startfile_openbsd", STARTFILE_OPENBSD_SPEC }, \
862 { "startfile_default", STARTFILE_DEFAULT_SPEC }, \
863 { "endfile_ads", ENDFILE_ADS_SPEC }, \
864 { "endfile_yellowknife", ENDFILE_YELLOWKNIFE_SPEC }, \
865 { "endfile_mvme", ENDFILE_MVME_SPEC }, \
866 { "endfile_sim", ENDFILE_SIM_SPEC }, \
867 { "endfile_freebsd", ENDFILE_FREEBSD_SPEC }, \
868 { "endfile_linux", ENDFILE_LINUX_SPEC }, \
869 { "endfile_netbsd", ENDFILE_NETBSD_SPEC }, \
870 { "endfile_openbsd", ENDFILE_OPENBSD_SPEC }, \
871 { "endfile_default", ENDFILE_DEFAULT_SPEC }, \
872 { "link_shlib", LINK_SHLIB_SPEC }, \
873 { "link_start", LINK_START_SPEC }, \
874 { "link_start_ads", LINK_START_ADS_SPEC }, \
875 { "link_start_yellowknife", LINK_START_YELLOWKNIFE_SPEC }, \
876 { "link_start_mvme", LINK_START_MVME_SPEC }, \
877 { "link_start_sim", LINK_START_SIM_SPEC }, \
878 { "link_start_freebsd", LINK_START_FREEBSD_SPEC }, \
879 { "link_start_linux", LINK_START_LINUX_SPEC }, \
880 { "link_start_netbsd", LINK_START_NETBSD_SPEC }, \
881 { "link_start_openbsd", LINK_START_OPENBSD_SPEC }, \
882 { "link_start_default", LINK_START_DEFAULT_SPEC }, \
883 { "link_os", LINK_OS_SPEC }, \
884 { "link_os_ads", LINK_OS_ADS_SPEC }, \
885 { "link_os_yellowknife", LINK_OS_YELLOWKNIFE_SPEC }, \
886 { "link_os_mvme", LINK_OS_MVME_SPEC }, \
887 { "link_os_sim", LINK_OS_SIM_SPEC }, \
888 { "link_os_freebsd", LINK_OS_FREEBSD_SPEC }, \
889 { "link_os_linux", LINK_OS_LINUX_SPEC }, \
890 { "link_os_netbsd", LINK_OS_NETBSD_SPEC }, \
891 { "link_os_openbsd", LINK_OS_OPENBSD_SPEC }, \
892 { "link_os_default", LINK_OS_DEFAULT_SPEC }, \
893 { "cc1_secure_plt_default", CC1_SECURE_PLT_DEFAULT_SPEC }, \
894 { "link_secure_plt", LINK_SECURE_PLT_SPEC }, \
895 { "cpp_os_ads", CPP_OS_ADS_SPEC }, \
896 { "cpp_os_yellowknife", CPP_OS_YELLOWKNIFE_SPEC }, \
897 { "cpp_os_mvme", CPP_OS_MVME_SPEC }, \
898 { "cpp_os_sim", CPP_OS_SIM_SPEC }, \
899 { "cpp_os_freebsd", CPP_OS_FREEBSD_SPEC }, \
900 { "cpp_os_linux", CPP_OS_LINUX_SPEC }, \
901 { "cpp_os_netbsd", CPP_OS_NETBSD_SPEC }, \
902 { "cpp_os_openbsd", CPP_OS_OPENBSD_SPEC }, \
903 { "cpp_os_default", CPP_OS_DEFAULT_SPEC }, \
904 { "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER }, \
905 SUBSUBTARGET_EXTRA_SPECS
907 #define SUBSUBTARGET_EXTRA_SPECS
909 /* Define this macro as a C expression for the initializer of an
910 array of string to tell the driver program which options are
911 defaults for this target and thus do not need to be handled
912 specially when using `MULTILIB_OPTIONS'.
914 Do not define this macro if `MULTILIB_OPTIONS' is not defined in
915 the target makefile fragment or if none of the options listed in
916 `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */
918 #define MULTILIB_DEFAULTS { "mbig", "mcall-sysv" }
920 /* Define this macro if the code for function profiling should come
921 before the function prologue. Normally, the profiling code comes
922 after. */
923 #define PROFILE_BEFORE_PROLOGUE 1
925 /* Function name to call to do profiling. */
926 #define RS6000_MCOUNT "_mcount"
928 /* Select a format to encode pointers in exception handling data. CODE
929 is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is
930 true if the symbol may be affected by dynamic relocations. */
931 #define ASM_PREFERRED_EH_DATA_FORMAT(CODE, GLOBAL) \
932 (flag_pic \
933 ? (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel \
934 | DW_EH_PE_sdata4) \
935 : DW_EH_PE_absptr)
937 #define DOUBLE_INT_ASM_OP "\t.quad\t"
939 /* Generate entries in .fixup for relocatable addresses. */
940 #define RELOCATABLE_NEEDS_FIXUP 1
942 #define TARGET_ASM_FILE_END rs6000_elf_file_end
944 #undef TARGET_ASAN_SHADOW_OFFSET
945 #define TARGET_ASAN_SHADOW_OFFSET rs6000_asan_shadow_offset
947 /* This target uses the sysv4.opt file. */
948 #define TARGET_USES_SYSV4_OPT 1
950 /* Include order changes for musl, same as in generic linux.h. */
951 #if DEFAULT_LIBC == LIBC_MUSL
952 #define INCLUDE_DEFAULTS_MUSL_GPP \
953 { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1, \
954 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 }, \
955 { GPLUSPLUS_TOOL_INCLUDE_DIR, "G++", 1, 1, \
956 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 1 }, \
957 { GPLUSPLUS_BACKWARD_INCLUDE_DIR, "G++", 1, 1, \
958 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 },
960 #ifdef LOCAL_INCLUDE_DIR
961 #define INCLUDE_DEFAULTS_MUSL_LOCAL \
962 { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 2 }, \
963 { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 0 },
964 #else
965 #define INCLUDE_DEFAULTS_MUSL_LOCAL
966 #endif
968 #ifdef PREFIX_INCLUDE_DIR
969 #define INCLUDE_DEFAULTS_MUSL_PREFIX \
970 { PREFIX_INCLUDE_DIR, 0, 0, 1, 0, 0},
971 #else
972 #define INCLUDE_DEFAULTS_MUSL_PREFIX
973 #endif
975 #ifdef CROSS_INCLUDE_DIR
976 #define INCLUDE_DEFAULTS_MUSL_CROSS \
977 { CROSS_INCLUDE_DIR, "GCC", 0, 0, 0, 0},
978 #else
979 #define INCLUDE_DEFAULTS_MUSL_CROSS
980 #endif
982 #ifdef TOOL_INCLUDE_DIR
983 #define INCLUDE_DEFAULTS_MUSL_TOOL \
984 { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1, 0, 0},
985 #else
986 #define INCLUDE_DEFAULTS_MUSL_TOOL
987 #endif
989 #ifdef NATIVE_SYSTEM_HEADER_DIR
990 #define INCLUDE_DEFAULTS_MUSL_NATIVE \
991 { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 2 }, \
992 { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 0 },
993 #else
994 #define INCLUDE_DEFAULTS_MUSL_NATIVE
995 #endif
997 #if defined (CROSS_DIRECTORY_STRUCTURE) && !defined (TARGET_SYSTEM_ROOT)
998 # undef INCLUDE_DEFAULTS_MUSL_LOCAL
999 # define INCLUDE_DEFAULTS_MUSL_LOCAL
1000 # undef INCLUDE_DEFAULTS_MUSL_NATIVE
1001 # define INCLUDE_DEFAULTS_MUSL_NATIVE
1002 #else
1003 # undef INCLUDE_DEFAULTS_MUSL_CROSS
1004 # define INCLUDE_DEFAULTS_MUSL_CROSS
1005 #endif
1007 #undef INCLUDE_DEFAULTS
1008 #define INCLUDE_DEFAULTS \
1010 INCLUDE_DEFAULTS_MUSL_GPP \
1011 INCLUDE_DEFAULTS_MUSL_LOCAL \
1012 INCLUDE_DEFAULTS_MUSL_PREFIX \
1013 INCLUDE_DEFAULTS_MUSL_CROSS \
1014 INCLUDE_DEFAULTS_MUSL_TOOL \
1015 INCLUDE_DEFAULTS_MUSL_NATIVE \
1016 { GCC_INCLUDE_DIR, "GCC", 0, 1, 0, 0 }, \
1017 { 0, 0, 0, 0, 0, 0 } \
1019 #endif