]>
Commit | Line | Data |
---|---|---|
1 | /* Target definitions for GNU compiler for PowerPC running System V.4 | |
2 | Copyright (C) 1995-2024 Free Software Foundation, Inc. | |
3 | Contributed by Cygnus Support. | |
4 | ||
5 | This file is part of GCC. | |
6 | ||
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. | |
11 | ||
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. | |
16 | ||
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. | |
20 | ||
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/>. */ | |
25 | ||
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}" | |
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%{m64:64}" | |
43 | ||
44 | #define TARGET_HAS_TOC (TARGET_64BIT \ | |
45 | || (TARGET_MINIMAL_TOC \ | |
46 | && flag_pic > 1) \ | |
47 | || DEFAULT_ABI != ABI_V4) | |
48 | ||
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 | |
55 | ||
56 | #ifdef HAVE_AS_REL16 | |
57 | #undef TARGET_SECURE_PLT | |
58 | #define TARGET_SECURE_PLT secure_plt | |
59 | #endif | |
60 | ||
61 | #if HAVE_AS_PLTSEQ | |
62 | #undef TARGET_PLTSEQ | |
63 | #define TARGET_PLTSEQ rs6000_pltseq | |
64 | #endif | |
65 | ||
66 | #define SDATA_DEFAULT_SIZE 8 | |
67 | ||
68 | /* The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to | |
69 | get control in TARGET_OPTION_OVERRIDE. */ | |
70 | ||
71 | #define SUBTARGET_OVERRIDE_OPTIONS \ | |
72 | do { \ | |
73 | if (!OPTION_SET_P (g_switch_value)) \ | |
74 | g_switch_value = SDATA_DEFAULT_SIZE; \ | |
75 | \ | |
76 | if (rs6000_abi_name == NULL) \ | |
77 | rs6000_abi_name = RS6000_ABI_NAME; \ | |
78 | \ | |
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; \ | |
101 | } \ | |
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")) \ | |
107 | { \ | |
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; \ | |
112 | } \ | |
113 | else \ | |
114 | { \ | |
115 | rs6000_current_abi = ABI_V4; \ | |
116 | error ("bad value for %<%s-%s%>", "-mcall", rs6000_abi_name); \ | |
117 | } \ | |
118 | \ | |
119 | if (rs6000_sdata_name) \ | |
120 | { \ | |
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);\ | |
133 | } \ | |
134 | else if (DEFAULT_ABI == ABI_V4) \ | |
135 | { \ | |
136 | rs6000_sdata = SDATA_DATA; \ | |
137 | rs6000_sdata_name = "data"; \ | |
138 | } \ | |
139 | else \ | |
140 | { \ | |
141 | rs6000_sdata = SDATA_NONE; \ | |
142 | rs6000_sdata_name = "none"; \ | |
143 | } \ | |
144 | \ | |
145 | if (TARGET_RELOCATABLE && \ | |
146 | (rs6000_sdata == SDATA_EABI || rs6000_sdata == SDATA_SYSV)) \ | |
147 | { \ | |
148 | rs6000_sdata = SDATA_DATA; \ | |
149 | error ("%qs and %<%s=%s%> are incompatible", rs6000_sdata_name, \ | |
150 | "-mrelocatable", "-msdata"); \ | |
151 | } \ | |
152 | \ | |
153 | else if (flag_pic && DEFAULT_ABI == ABI_V4 \ | |
154 | && (rs6000_sdata == SDATA_EABI \ | |
155 | || rs6000_sdata == SDATA_SYSV)) \ | |
156 | { \ | |
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); \ | |
161 | } \ | |
162 | \ | |
163 | if ((rs6000_sdata != SDATA_NONE && DEFAULT_ABI != ABI_V4) \ | |
164 | || (rs6000_sdata == SDATA_EABI && !TARGET_EABI)) \ | |
165 | { \ | |
166 | rs6000_sdata = SDATA_NONE; \ | |
167 | error ("%<%s=%s%> and %<%s-%s%> are incompatible", \ | |
168 | "-msdata", rs6000_sdata_name, "-mcall", rs6000_abi_name); \ | |
169 | } \ | |
170 | \ | |
171 | targetm.have_srodata_section = rs6000_sdata == SDATA_EABI; \ | |
172 | \ | |
173 | if (TARGET_RELOCATABLE && !TARGET_MINIMAL_TOC) \ | |
174 | { \ | |
175 | rs6000_isa_flags |= OPTION_MASK_MINIMAL_TOC; \ | |
176 | error ("%qs and %qs are incompatible", "-mrelocatable", \ | |
177 | "-mno-minimal-toc"); \ | |
178 | } \ | |
179 | \ | |
180 | if (TARGET_RELOCATABLE && rs6000_current_abi != ABI_V4) \ | |
181 | { \ | |
182 | rs6000_isa_flags &= ~OPTION_MASK_RELOCATABLE; \ | |
183 | error ("%qs and %<%s-%s%> are incompatible", \ | |
184 | "-mrelocatable", "-mcall", rs6000_abi_name); \ | |
185 | } \ | |
186 | \ | |
187 | if (!TARGET_64BIT && flag_pic > 1 && rs6000_current_abi != ABI_V4) \ | |
188 | { \ | |
189 | flag_pic = 0; \ | |
190 | error ("%qs and %<%s-%s%> are incompatible", \ | |
191 | "-fPIC", "-mcall", rs6000_abi_name); \ | |
192 | } \ | |
193 | \ | |
194 | if (TARGET_SECURE_PLT != secure_plt) \ | |
195 | { \ | |
196 | error ("%qs not supported by your assembler", "-msecure-plt"); \ | |
197 | } \ | |
198 | \ | |
199 | if (TARGET_PLTSEQ != rs6000_pltseq \ | |
200 | && OPTION_SET_P (rs6000_pltseq)) \ | |
201 | { \ | |
202 | error ("%qs not supported by your assembler", "-mpltseq"); \ | |
203 | } \ | |
204 | \ | |
205 | if (DEFAULT_ABI == ABI_V4 && TARGET_PLTSEQ && !TARGET_SECURE_PLT) \ | |
206 | { \ | |
207 | if (OPTION_SET_P (rs6000_pltseq)) \ | |
208 | { \ | |
209 | if (OPTION_SET_P (secure_plt)) \ | |
210 | error ("%qs and %qs are incompatible", \ | |
211 | "-mpltseq", "-mbss-plt"); \ | |
212 | else \ | |
213 | secure_plt = true; \ | |
214 | } \ | |
215 | if (!TARGET_SECURE_PLT) \ | |
216 | rs6000_pltseq = false; \ | |
217 | } \ | |
218 | \ | |
219 | if (flag_pic > 1 && DEFAULT_ABI == ABI_V4) \ | |
220 | { \ | |
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; \ | |
230 | } \ | |
231 | \ | |
232 | if (TARGET_RELOCATABLE) \ | |
233 | { \ | |
234 | if (!flag_pic) \ | |
235 | flag_pic = 2; \ | |
236 | TARGET_NO_FP_IN_TOC = 1; \ | |
237 | } \ | |
238 | } while (0) | |
239 | ||
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 | |
248 | ||
249 | /* Override rs6000.h definition. */ | |
250 | #undef TARGET_DEFAULT | |
251 | #define TARGET_DEFAULT 0 | |
252 | ||
253 | /* Override rs6000.h definition. */ | |
254 | #undef PROCESSOR_DEFAULT | |
255 | #define PROCESSOR_DEFAULT PROCESSOR_PPC750 | |
256 | ||
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 | |
261 | ||
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) | |
267 | ||
268 | /* Put jump tables in read-only memory, rather than in .text. */ | |
269 | #define JUMP_TABLES_IN_TEXT_SECTION 0 | |
270 | ||
271 | /* Prefix and suffix to use to saving floating point. */ | |
272 | #define SAVE_FP_PREFIX "_savefpr_" | |
273 | #define SAVE_FP_SUFFIX "" | |
274 | ||
275 | /* Prefix and suffix to use to restoring floating point. */ | |
276 | #define RESTORE_FP_PREFIX "_restfpr_" | |
277 | #define RESTORE_FP_SUFFIX "" | |
278 | ||
279 | /* Type used for size_t, as a string used in a declaration. */ | |
280 | #undef SIZE_TYPE | |
281 | #define SIZE_TYPE "unsigned int" | |
282 | ||
283 | /* Type used for ptrdiff_t, as a string used in a declaration. */ | |
284 | #define PTRDIFF_TYPE "int" | |
285 | ||
286 | #undef WCHAR_TYPE | |
287 | #define WCHAR_TYPE "long int" | |
288 | ||
289 | #undef WCHAR_TYPE_SIZE | |
290 | #define WCHAR_TYPE_SIZE 32 | |
291 | ||
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) | |
296 | ||
297 | #undef BITFIELD_NBYTES_LIMITED | |
298 | #define BITFIELD_NBYTES_LIMITED (TARGET_NO_BITFIELD_WORD) | |
299 | ||
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) | |
305 | ||
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. */ | |
317 | ||
318 | #undef PREFERRED_STACK_BOUNDARY | |
319 | #define PREFERRED_STACK_BOUNDARY 128 | |
320 | ||
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) | |
324 | ||
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) | |
329 | ||
330 | #undef BIGGEST_FIELD_ALIGNMENT | |
331 | ||
332 | /* Use ELF style section commands. */ | |
333 | ||
334 | #define TEXT_SECTION_ASM_OP "\t.section\t\".text\"" | |
335 | ||
336 | #define DATA_SECTION_ASM_OP "\t.section\t\".data\"" | |
337 | ||
338 | #define BSS_SECTION_ASM_OP "\t.section\t\".bss\"" | |
339 | ||
340 | /* Override elfos.h definition. */ | |
341 | #undef INIT_SECTION_ASM_OP | |
342 | #define INIT_SECTION_ASM_OP "\t.section\t\".init\",\"ax\"" | |
343 | ||
344 | /* Override elfos.h definition. */ | |
345 | #undef FINI_SECTION_ASM_OP | |
346 | #define FINI_SECTION_ASM_OP "\t.section\t\".fini\",\"ax\"" | |
347 | ||
348 | #define TOC_SECTION_ASM_OP "\t.section\t\".got\",\"aw\"" | |
349 | ||
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\"") | |
353 | ||
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" | |
357 | ||
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 | |
364 | ||
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. | |
372 | ||
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. */ | |
375 | ||
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))) | |
389 | ||
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. */ | |
394 | ||
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. */ | |
398 | ||
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)) | |
403 | ||
404 | /* The USER_LABEL_PREFIX stuff is affected by the -fleading-underscore | |
405 | flag. The LOCAL_LABEL_PREFIX variable is used by dbxelf.h. */ | |
406 | ||
407 | #define LOCAL_LABEL_PREFIX "." | |
408 | #define USER_LABEL_PREFIX "" | |
409 | ||
410 | #define ASM_OUTPUT_INTERNAL_LABEL_PREFIX(FILE,PREFIX) \ | |
411 | asm_fprintf (FILE, "%L%s", PREFIX) | |
412 | ||
413 | /* Globalizing directive for a label. */ | |
414 | #define GLOBAL_ASM_OP "\t.globl " | |
415 | ||
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. */ | |
420 | ||
421 | #define LOCAL_ASM_OP "\t.local\t" | |
422 | ||
423 | #define LCOMM_ASM_OP "\t.lcomm\t" | |
424 | ||
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)) \ | |
429 | { \ | |
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); \ | |
436 | } \ | |
437 | else \ | |
438 | { \ | |
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); \ | |
443 | } \ | |
444 | ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \ | |
445 | } while (0) | |
446 | ||
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) | |
452 | ||
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) \ | |
459 | { \ | |
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)); \ | |
464 | } | |
465 | #endif | |
466 | ||
467 | /* This is how to output code to push a register on the stack. | |
468 | It need not be very fast code. | |
469 | ||
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). */ | |
473 | ||
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) | |
482 | ||
483 | /* This is how to output an insn to pop a register from the stack. | |
484 | It need not be very fast code. */ | |
485 | ||
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) | |
494 | ||
495 | extern int fixuplabelno; | |
496 | ||
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 | |
500 | ||
501 | /* This is the end of what might become sysv4.h. */ | |
502 | ||
503 | /* Use DWARF 2 debugging information by default. */ | |
504 | #undef PREFERRED_DEBUGGING_TYPE | |
505 | #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG | |
506 | ||
507 | #define TARGET_ENCODE_SECTION_INFO rs6000_elf_encode_section_info | |
508 | #define TARGET_IN_SMALL_DATA_P rs6000_elf_in_small_data_p | |
509 | ||
510 | /* The ELF version doesn't encode [DS] or whatever at the end of symbols. */ | |
511 | ||
512 | #define RS6000_OUTPUT_BASENAME(FILE, NAME) \ | |
513 | assemble_name (FILE, NAME) | |
514 | ||
515 | /* This is the end of what might become sysv4dbx.h. */ | |
516 | \f | |
517 | #define TARGET_OS_SYSV_CPP_BUILTINS() \ | |
518 | do \ | |
519 | { \ | |
520 | if (rs6000_isa_flags_explicit \ | |
521 | & OPTION_MASK_RELOCATABLE) \ | |
522 | builtin_define ("_RELOCATABLE"); \ | |
523 | } \ | |
524 | while (0) | |
525 | ||
526 | #ifndef TARGET_OS_CPP_BUILTINS | |
527 | #define TARGET_OS_CPP_BUILTINS() \ | |
528 | do \ | |
529 | { \ | |
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 (); \ | |
538 | } \ | |
539 | while (0) | |
540 | #endif | |
541 | ||
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 "}" | |
549 | ||
550 | #define DEFAULT_ASM_ENDIAN " -mbig" | |
551 | ||
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) | |
558 | ||
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 | |
565 | ||
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 | |
581 | ||
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) }" | |
593 | ||
594 | #define LINK_START_DEFAULT_SPEC "" | |
595 | #define LINK_SECURE_PLT_SPEC LINK_SECURE_PLT_DEFAULT_SPEC | |
596 | ||
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)" | |
605 | ||
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 }" | |
612 | ||
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) }" | |
624 | ||
625 | #define LINK_OS_DEFAULT_SPEC "" | |
626 | ||
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) }" | |
639 | ||
640 | #define CPP_OS_DEFAULT_SPEC "" | |
641 | ||
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) }" | |
653 | ||
654 | #define STARTFILE_DEFAULT_SPEC "ecrti.o%s crtbegin.o%s" | |
655 | ||
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) }" | |
667 | ||
668 | #define LIB_DEFAULT_SPEC "-lc" | |
669 | ||
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) }" | |
681 | ||
682 | #define CRTSAVRES_DEFAULT_SPEC "" | |
683 | ||
684 | #define ENDFILE_DEFAULT_SPEC "crtend.o%s ecrtn.o%s" | |
685 | ||
686 | /* Motorola ADS support. */ | |
687 | #define LIB_ADS_SPEC "--start-group -lads -lc --end-group" | |
688 | ||
689 | #define STARTFILE_ADS_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s" | |
690 | ||
691 | #define ENDFILE_ADS_SPEC "crtend.o%s ecrtn.o%s" | |
692 | ||
693 | #define LINK_START_ADS_SPEC "-T ads.ld%s" | |
694 | ||
695 | #define LINK_OS_ADS_SPEC "" | |
696 | ||
697 | #define CPP_OS_ADS_SPEC "" | |
698 | ||
699 | /* Motorola Yellowknife support. */ | |
700 | #define LIB_YELLOWKNIFE_SPEC "--start-group -lyk -lc --end-group" | |
701 | ||
702 | #define STARTFILE_YELLOWKNIFE_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s" | |
703 | ||
704 | #define ENDFILE_YELLOWKNIFE_SPEC "crtend.o%s ecrtn.o%s" | |
705 | ||
706 | #define LINK_START_YELLOWKNIFE_SPEC "-T yellowknife.ld%s" | |
707 | ||
708 | #define LINK_OS_YELLOWKNIFE_SPEC "" | |
709 | ||
710 | #define CPP_OS_YELLOWKNIFE_SPEC "" | |
711 | ||
712 | /* Motorola MVME support. */ | |
713 | #define LIB_MVME_SPEC "--start-group -lmvme -lc --end-group" | |
714 | ||
715 | #define STARTFILE_MVME_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s" | |
716 | ||
717 | #define ENDFILE_MVME_SPEC "crtend.o%s ecrtn.o%s" | |
718 | ||
719 | #define LINK_START_MVME_SPEC "-Ttext 0x40000" | |
720 | ||
721 | #define LINK_OS_MVME_SPEC "" | |
722 | ||
723 | #define CPP_OS_MVME_SPEC "" | |
724 | ||
725 | /* PowerPC simulator based on netbsd system calls support. */ | |
726 | #define LIB_SIM_SPEC "--start-group -lsim -lc --end-group" | |
727 | ||
728 | #define STARTFILE_SIM_SPEC "ecrti.o%s sim-crt0.o%s crtbegin.o%s" | |
729 | ||
730 | #define ENDFILE_SIM_SPEC "crtend.o%s ecrtn.o%s" | |
731 | ||
732 | #define LINK_START_SIM_SPEC "" | |
733 | ||
734 | #define LINK_OS_SIM_SPEC "-m elf32ppcsim" | |
735 | ||
736 | #define CPP_OS_SIM_SPEC "" | |
737 | ||
738 | /* FreeBSD support. */ | |
739 | ||
740 | #define CPP_OS_FREEBSD_SPEC "\ | |
741 | -D__PPC__ -D__ppc__ -D__PowerPC__ -D__powerpc__ \ | |
742 | -Acpu=powerpc -Amachine=powerpc" | |
743 | ||
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 "" | |
748 | ||
749 | #define LINK_OS_FREEBSD_SPEC "\ | |
750 | %{p:%nconsider using '-pg' instead of '-p' with gprof(1)} \ | |
751 | " FBSD_LINK_PG_NOTE " \ | |
752 | %{v:-V} \ | |
753 | %{assert*} %{R*} %{rpath*} %{defsym*} \ | |
754 | %{shared:-Bshareable %{h*} %{soname*}} \ | |
755 | %{!shared: \ | |
756 | %{!static: \ | |
757 | %{rdynamic: -export-dynamic} \ | |
758 | -dynamic-linker %(fbsd_dynamic_linker) } \ | |
759 | %{static:-Bstatic}} \ | |
760 | %{symbolic:-Bsymbolic}" | |
761 | ||
762 | /* GNU/Linux support. */ | |
763 | #define LIB_LINUX_SPEC \ | |
764 | "%{mnewlib: --start-group -llinux -lc --end-group; \ | |
765 | :" GNU_USER_TARGET_LIB_SPEC "}" | |
766 | ||
767 | #define STARTFILE_LINUX_SPEC GNU_USER_TARGET_STARTFILE_SPEC | |
768 | ||
769 | #define ENDFILE_LINUX_SPEC GNU_USER_TARGET_ENDFILE_SPEC | |
770 | ||
771 | #define LINK_START_LINUX_SPEC "" | |
772 | ||
773 | #define MUSL_DYNAMIC_LINKER_E ENDIAN_SELECT("","le","") | |
774 | ||
775 | #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" | |
776 | #undef MUSL_DYNAMIC_LINKER | |
777 | #define MUSL_DYNAMIC_LINKER \ | |
778 | "/lib/ld-musl-powerpc" MUSL_DYNAMIC_LINKER_E "%{msoft-float:-sf}.so.1" | |
779 | ||
780 | #ifndef GNU_USER_DYNAMIC_LINKER | |
781 | #define GNU_USER_DYNAMIC_LINKER GLIBC_DYNAMIC_LINKER | |
782 | #endif | |
783 | ||
784 | #define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \ | |
785 | %{rdynamic:-export-dynamic} \ | |
786 | -dynamic-linker " GNU_USER_DYNAMIC_LINKER "}}" | |
787 | ||
788 | #define CPP_OS_LINUX_SPEC "%{pthread:-D_REENTRANT}" | |
789 | ||
790 | /* NetBSD support. */ | |
791 | #define LIB_NETBSD_SPEC "\ | |
792 | -lc" | |
793 | ||
794 | #define STARTFILE_NETBSD_SPEC "\ | |
795 | ncrti.o%s crt0.o%s \ | |
796 | %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}" | |
797 | ||
798 | #define ENDFILE_NETBSD_SPEC "\ | |
799 | %{!shared:crtend.o%s} %{shared:crtendS.o%s} \ | |
800 | ncrtn.o%s" | |
801 | ||
802 | #define LINK_START_NETBSD_SPEC "\ | |
803 | " | |
804 | ||
805 | #define LINK_OS_NETBSD_SPEC "\ | |
806 | %{!shared: %{!static: \ | |
807 | %{rdynamic:-export-dynamic} \ | |
808 | -dynamic-linker /usr/libexec/ld.elf_so}}" | |
809 | ||
810 | #define CPP_OS_NETBSD_SPEC "\ | |
811 | -D__powerpc__ -D__NetBSD__ -D__KPRINTF_ATTRIBUTE__" | |
812 | ||
813 | /* OpenBSD support. */ | |
814 | #ifndef LIB_OPENBSD_SPEC | |
815 | #define LIB_OPENBSD_SPEC "%{!shared:%{pthread:-lpthread%{p:_p}%{!p:%{pg:_p}}}} %{!shared:-lc%{p:_p}%{!p:%{pg:_p}}}" | |
816 | #endif | |
817 | ||
818 | #ifndef STARTFILE_OPENBSD_SPEC | |
819 | #define STARTFILE_OPENBSD_SPEC "\ | |
820 | %{!shared: %{pg:gcrt0.o%s} %{!pg:%{p:gcrt0.o%s} %{!p:crt0.o%s}}} \ | |
821 | %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}" | |
822 | #endif | |
823 | ||
824 | #ifndef ENDFILE_OPENBSD_SPEC | |
825 | #define ENDFILE_OPENBSD_SPEC "\ | |
826 | %{!shared:crtend.o%s} %{shared:crtendS.o%s}" | |
827 | #endif | |
828 | ||
829 | #ifndef LINK_START_OPENBSD_SPEC | |
830 | #define LINK_START_OPENBSD_SPEC "-Ttext 0x400074" | |
831 | #endif | |
832 | ||
833 | #ifndef LINK_OS_OPENBSD_SPEC | |
834 | #define LINK_OS_OPENBSD_SPEC "" | |
835 | #endif | |
836 | ||
837 | #ifndef CPP_OS_OPENBSD_SPEC | |
838 | #define CPP_OS_OPENBSD_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_POSIX_THREADS}" | |
839 | #endif | |
840 | ||
841 | /* Define any extra SPECS that the compiler needs to generate. */ | |
842 | /* Override rs6000.h definition. */ | |
843 | #undef SUBTARGET_EXTRA_SPECS | |
844 | #define SUBTARGET_EXTRA_SPECS \ | |
845 | { "crtsavres_default", CRTSAVRES_DEFAULT_SPEC }, \ | |
846 | { "lib_ads", LIB_ADS_SPEC }, \ | |
847 | { "lib_yellowknife", LIB_YELLOWKNIFE_SPEC }, \ | |
848 | { "lib_mvme", LIB_MVME_SPEC }, \ | |
849 | { "lib_sim", LIB_SIM_SPEC }, \ | |
850 | { "lib_freebsd", LIB_FREEBSD_SPEC }, \ | |
851 | { "lib_linux", LIB_LINUX_SPEC }, \ | |
852 | { "lib_netbsd", LIB_NETBSD_SPEC }, \ | |
853 | { "lib_openbsd", LIB_OPENBSD_SPEC }, \ | |
854 | { "lib_default", LIB_DEFAULT_SPEC }, \ | |
855 | { "startfile_ads", STARTFILE_ADS_SPEC }, \ | |
856 | { "startfile_yellowknife", STARTFILE_YELLOWKNIFE_SPEC }, \ | |
857 | { "startfile_mvme", STARTFILE_MVME_SPEC }, \ | |
858 | { "startfile_sim", STARTFILE_SIM_SPEC }, \ | |
859 | { "startfile_freebsd", STARTFILE_FREEBSD_SPEC }, \ | |
860 | { "startfile_linux", STARTFILE_LINUX_SPEC }, \ | |
861 | { "startfile_netbsd", STARTFILE_NETBSD_SPEC }, \ | |
862 | { "startfile_openbsd", STARTFILE_OPENBSD_SPEC }, \ | |
863 | { "startfile_default", STARTFILE_DEFAULT_SPEC }, \ | |
864 | { "endfile_ads", ENDFILE_ADS_SPEC }, \ | |
865 | { "endfile_yellowknife", ENDFILE_YELLOWKNIFE_SPEC }, \ | |
866 | { "endfile_mvme", ENDFILE_MVME_SPEC }, \ | |
867 | { "endfile_sim", ENDFILE_SIM_SPEC }, \ | |
868 | { "endfile_freebsd", ENDFILE_FREEBSD_SPEC }, \ | |
869 | { "endfile_linux", ENDFILE_LINUX_SPEC }, \ | |
870 | { "endfile_netbsd", ENDFILE_NETBSD_SPEC }, \ | |
871 | { "endfile_openbsd", ENDFILE_OPENBSD_SPEC }, \ | |
872 | { "endfile_default", ENDFILE_DEFAULT_SPEC }, \ | |
873 | { "link_shlib", LINK_SHLIB_SPEC }, \ | |
874 | { "link_start", LINK_START_SPEC }, \ | |
875 | { "link_start_ads", LINK_START_ADS_SPEC }, \ | |
876 | { "link_start_yellowknife", LINK_START_YELLOWKNIFE_SPEC }, \ | |
877 | { "link_start_mvme", LINK_START_MVME_SPEC }, \ | |
878 | { "link_start_sim", LINK_START_SIM_SPEC }, \ | |
879 | { "link_start_freebsd", LINK_START_FREEBSD_SPEC }, \ | |
880 | { "link_start_linux", LINK_START_LINUX_SPEC }, \ | |
881 | { "link_start_netbsd", LINK_START_NETBSD_SPEC }, \ | |
882 | { "link_start_openbsd", LINK_START_OPENBSD_SPEC }, \ | |
883 | { "link_start_default", LINK_START_DEFAULT_SPEC }, \ | |
884 | { "link_os", LINK_OS_SPEC }, \ | |
885 | { "link_os_ads", LINK_OS_ADS_SPEC }, \ | |
886 | { "link_os_yellowknife", LINK_OS_YELLOWKNIFE_SPEC }, \ | |
887 | { "link_os_mvme", LINK_OS_MVME_SPEC }, \ | |
888 | { "link_os_sim", LINK_OS_SIM_SPEC }, \ | |
889 | { "link_os_freebsd", LINK_OS_FREEBSD_SPEC }, \ | |
890 | { "link_os_linux", LINK_OS_LINUX_SPEC }, \ | |
891 | { "link_os_netbsd", LINK_OS_NETBSD_SPEC }, \ | |
892 | { "link_os_openbsd", LINK_OS_OPENBSD_SPEC }, \ | |
893 | { "link_os_default", LINK_OS_DEFAULT_SPEC }, \ | |
894 | { "cc1_secure_plt_default", CC1_SECURE_PLT_DEFAULT_SPEC }, \ | |
895 | { "link_secure_plt", LINK_SECURE_PLT_SPEC }, \ | |
896 | { "cpp_os_ads", CPP_OS_ADS_SPEC }, \ | |
897 | { "cpp_os_yellowknife", CPP_OS_YELLOWKNIFE_SPEC }, \ | |
898 | { "cpp_os_mvme", CPP_OS_MVME_SPEC }, \ | |
899 | { "cpp_os_sim", CPP_OS_SIM_SPEC }, \ | |
900 | { "cpp_os_freebsd", CPP_OS_FREEBSD_SPEC }, \ | |
901 | { "cpp_os_linux", CPP_OS_LINUX_SPEC }, \ | |
902 | { "cpp_os_netbsd", CPP_OS_NETBSD_SPEC }, \ | |
903 | { "cpp_os_openbsd", CPP_OS_OPENBSD_SPEC }, \ | |
904 | { "cpp_os_default", CPP_OS_DEFAULT_SPEC }, \ | |
905 | { "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER }, \ | |
906 | SUBSUBTARGET_EXTRA_SPECS | |
907 | ||
908 | #define SUBSUBTARGET_EXTRA_SPECS | |
909 | ||
910 | /* Define this macro as a C expression for the initializer of an | |
911 | array of string to tell the driver program which options are | |
912 | defaults for this target and thus do not need to be handled | |
913 | specially when using `MULTILIB_OPTIONS'. | |
914 | ||
915 | Do not define this macro if `MULTILIB_OPTIONS' is not defined in | |
916 | the target makefile fragment or if none of the options listed in | |
917 | `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */ | |
918 | ||
919 | #define MULTILIB_DEFAULTS { "mbig", "mcall-sysv" } | |
920 | ||
921 | /* Define this macro if the code for function profiling should come | |
922 | before the function prologue. Normally, the profiling code comes | |
923 | after. */ | |
924 | #define PROFILE_BEFORE_PROLOGUE 1 | |
925 | ||
926 | /* Function name to call to do profiling. */ | |
927 | #define RS6000_MCOUNT "_mcount" | |
928 | ||
929 | /* Select a format to encode pointers in exception handling data. CODE | |
930 | is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is | |
931 | true if the symbol may be affected by dynamic relocations. */ | |
932 | #define ASM_PREFERRED_EH_DATA_FORMAT(CODE, GLOBAL) \ | |
933 | (flag_pic \ | |
934 | ? (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel \ | |
935 | | DW_EH_PE_sdata4) \ | |
936 | : DW_EH_PE_absptr) | |
937 | ||
938 | #define DOUBLE_INT_ASM_OP "\t.quad\t" | |
939 | ||
940 | /* Generate entries in .fixup for relocatable addresses. */ | |
941 | #define RELOCATABLE_NEEDS_FIXUP 1 | |
942 | ||
943 | #define TARGET_ASM_FILE_END rs6000_elf_file_end | |
944 | ||
945 | #undef TARGET_ASAN_SHADOW_OFFSET | |
946 | #define TARGET_ASAN_SHADOW_OFFSET rs6000_asan_shadow_offset | |
947 | ||
948 | /* This target uses the sysv4.opt file. */ | |
949 | #define TARGET_USES_SYSV4_OPT 1 | |
950 | ||
951 | /* Include order changes for musl, same as in generic linux.h. */ | |
952 | #if DEFAULT_LIBC == LIBC_MUSL | |
953 | #define INCLUDE_DEFAULTS_MUSL_GPP \ | |
954 | { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1, \ | |
955 | GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 }, \ | |
956 | { GPLUSPLUS_TOOL_INCLUDE_DIR, "G++", 1, 1, \ | |
957 | GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 1 }, \ | |
958 | { GPLUSPLUS_BACKWARD_INCLUDE_DIR, "G++", 1, 1, \ | |
959 | GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 }, | |
960 | ||
961 | #ifdef LOCAL_INCLUDE_DIR | |
962 | #define INCLUDE_DEFAULTS_MUSL_LOCAL \ | |
963 | { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 2 }, \ | |
964 | { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 0 }, | |
965 | #else | |
966 | #define INCLUDE_DEFAULTS_MUSL_LOCAL | |
967 | #endif | |
968 | ||
969 | #ifdef PREFIX_INCLUDE_DIR | |
970 | #define INCLUDE_DEFAULTS_MUSL_PREFIX \ | |
971 | { PREFIX_INCLUDE_DIR, 0, 0, 1, 0, 0}, | |
972 | #else | |
973 | #define INCLUDE_DEFAULTS_MUSL_PREFIX | |
974 | #endif | |
975 | ||
976 | #ifdef CROSS_INCLUDE_DIR | |
977 | #define INCLUDE_DEFAULTS_MUSL_CROSS \ | |
978 | { CROSS_INCLUDE_DIR, "GCC", 0, 0, 0, 0}, | |
979 | #else | |
980 | #define INCLUDE_DEFAULTS_MUSL_CROSS | |
981 | #endif | |
982 | ||
983 | #ifdef TOOL_INCLUDE_DIR | |
984 | #define INCLUDE_DEFAULTS_MUSL_TOOL \ | |
985 | { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1, 0, 0}, | |
986 | #else | |
987 | #define INCLUDE_DEFAULTS_MUSL_TOOL | |
988 | #endif | |
989 | ||
990 | #ifdef NATIVE_SYSTEM_HEADER_DIR | |
991 | #define INCLUDE_DEFAULTS_MUSL_NATIVE \ | |
992 | { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 2 }, \ | |
993 | { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 0 }, | |
994 | #else | |
995 | #define INCLUDE_DEFAULTS_MUSL_NATIVE | |
996 | #endif | |
997 | ||
998 | #if defined (CROSS_DIRECTORY_STRUCTURE) && !defined (TARGET_SYSTEM_ROOT) | |
999 | # undef INCLUDE_DEFAULTS_MUSL_LOCAL | |
1000 | # define INCLUDE_DEFAULTS_MUSL_LOCAL | |
1001 | # undef INCLUDE_DEFAULTS_MUSL_NATIVE | |
1002 | # define INCLUDE_DEFAULTS_MUSL_NATIVE | |
1003 | #else | |
1004 | # undef INCLUDE_DEFAULTS_MUSL_CROSS | |
1005 | # define INCLUDE_DEFAULTS_MUSL_CROSS | |
1006 | #endif | |
1007 | ||
1008 | #undef INCLUDE_DEFAULTS | |
1009 | #define INCLUDE_DEFAULTS \ | |
1010 | { \ | |
1011 | INCLUDE_DEFAULTS_MUSL_GPP \ | |
1012 | INCLUDE_DEFAULTS_MUSL_LOCAL \ | |
1013 | INCLUDE_DEFAULTS_MUSL_PREFIX \ | |
1014 | INCLUDE_DEFAULTS_MUSL_CROSS \ | |
1015 | INCLUDE_DEFAULTS_MUSL_TOOL \ | |
1016 | INCLUDE_DEFAULTS_MUSL_NATIVE \ | |
1017 | { GCC_INCLUDE_DIR, "GCC", 0, 1, 0, 0 }, \ | |
1018 | { 0, 0, 0, 0, 0, 0 } \ | |
1019 | } | |
1020 | #endif |