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* c-common.c (catenate_strings): New.
[official-gcc.git] / gcc / config / darwin.h
blob83aa2ddb009f43893803d28543f58585b39b0c6c
1 /* Target definitions for Darwin (Mac OS X) systems.
2 Copyright (C) 1989, 1990, 1991, 1992, 1993, 2000, 2001, 2002, 2003, 2004
3 Free Software Foundation, Inc.
4 Contributed by Apple Computer Inc.
5
6 This file is part of GCC.
7
8 GCC is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2, or (at your option)
11 any later version.
12
13 GCC is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING. If not, write to
20 the Free Software Foundation, 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
22
23 #ifndef CONFIG_DARWIN_H
24 #define CONFIG_DARWIN_H
25
26 /* The definitions in this file are common to all processor types
27 running Darwin, which is the kernel for Mac OS X. Darwin is
28 basically a BSD user layer laid over a Mach kernel, then evolved
29 for many years (at NeXT) in parallel with other Unix systems. So
30 while the runtime is a somewhat idiosyncratic Mach-based thing,
31 other definitions look like they would for a BSD variant. */
32
33 /* Although NeXT ran on many different architectures, as of Jan 2001
34 the only supported Darwin targets are PowerPC and x86. */
35
36 /* One of Darwin's NeXT legacies is the Mach-O format, which is partly
37 like a.out and partly like COFF, with additional features like
38 multi-architecture binary support. */
39
40 #define OBJECT_FORMAT_MACHO
41
42 /* Suppress g++ attempt to link in the math library automatically. */
43 #define MATH_LIBRARY ""
44
45 /* We have atexit. */
46
47 #define HAVE_ATEXIT
48
49 /* Define an empty body for the function do_global_dtors() in libgcc2.c. */
50
51 #define DO_GLOBAL_DTORS_BODY
52
53 /* The string value for __SIZE_TYPE__. */
54
55 #ifndef SIZE_TYPE
56 #define SIZE_TYPE "long unsigned int"
57 #endif
58
59 /* Type used for ptrdiff_t, as a string used in a declaration. */
60
61 #undef PTRDIFF_TYPE
62 #define PTRDIFF_TYPE "int"
63
64 /* wchar_t is int. */
65
66 #undef WCHAR_TYPE
67 #define WCHAR_TYPE "int"
68 #undef WCHAR_TYPE_SIZE
69 #define WCHAR_TYPE_SIZE 32
70
71 /* Default to using the NeXT-style runtime, since that's what is
72 pre-installed on Darwin systems. */
73
74 #define NEXT_OBJC_RUNTIME
75
76 /* Don't default to pcc-struct-return, because gcc is the only compiler, and
77 we want to retain compatibility with older gcc versions. */
78
79 #undef DEFAULT_PCC_STRUCT_RETURN
80 #define DEFAULT_PCC_STRUCT_RETURN 0
81
82 /* This table intercepts weirdo options whose names would interfere
83 with normal driver conventions, and either translates them into
84 standardly-named options, or adds a 'Z' so that they can get to
85 specs processing without interference.
86
87 Do not expand a linker option to "-Xlinker -<option>", since that
88 forfeits the ability to control via spec strings later. However,
89 as a special exception, do this translation with -filelist, because
90 otherwise the driver will think there are no input files and quit.
91 (The alternative would be to hack the driver to recognize -filelist
92 specially, but it's simpler to use the translation table.)
93
94 Note that an option name with a prefix that matches another option
95 name, that also takes an argument, needs to be modified so the
96 prefix is different, otherwise a '*' after the shorter option will
97 match with the longer one.
98
99 The SUBTARGET_OPTION_TRANSLATE_TABLE macro, which _must_ be defined
100 in gcc/config/{i386,rs6000}/darwin.h, should contain any additional
101 command-line option translations specific to the particular target
102 architecture. */
103
104 #define TARGET_OPTION_TRANSLATE_TABLE \
105 { "-all_load", "-Zall_load" }, \
106 { "-allowable_client", "-Zallowable_client" }, \
107 { "-arch_errors_fatal", "-Zarch_errors_fatal" }, \
108 { "-bind_at_load", "-Zbind_at_load" }, \
109 { "-bundle", "-Zbundle" }, \
110 { "-bundle_loader", "-Zbundle_loader" }, \
111 { "-weak_reference_mismatches", "-Zweak_reference_mismatches" }, \
112 { "-dead_strip", "-Zdead_strip" }, \
113 { "-no_dead_strip_inits_and_terms", "-Zno_dead_strip_inits_and_terms" }, \
114 { "-dependency-file", "-MF" }, \
115 { "-dylib_file", "-Zdylib_file" }, \
116 { "-dynamic", "-Zdynamic" }, \
117 { "-dynamiclib", "-Zdynamiclib" }, \
118 { "-exported_symbols_list", "-Zexported_symbols_list" }, \
119 { "-segaddr", "-Zsegaddr" }, \
120 { "-segs_read_only_addr", "-Zsegs_read_only_addr" }, \
121 { "-segs_read_write_addr", "-Zsegs_read_write_addr" }, \
122 { "-seg_addr_table", "-Zseg_addr_table" }, \
123 { "-seg_addr_table_filename", "-Zseg_addr_table_filename" }, \
124 { "-filelist", "-Xlinker -filelist -Xlinker" }, \
125 { "-framework", "-Xlinker -framework -Xlinker" }, \
126 { "-flat_namespace", "-Zflat_namespace" }, \
127 { "-force_cpusubtype_ALL", "-Zforce_cpusubtype_ALL" }, \
128 { "-force_flat_namespace", "-Zforce_flat_namespace" }, \
129 { "-image_base", "-Zimage_base" }, \
130 { "-init", "-Zinit" }, \
131 { "-install_name", "-Zinstall_name" }, \
132 { "-multiply_defined_unused", "-Zmultiplydefinedunused" }, \
133 { "-multiply_defined", "-Zmultiply_defined" }, \
134 { "-multi_module", "-Zmulti_module" }, \
135 { "-static", "-static -Wa,-static" }, \
136 { "-single_module", "-Zsingle_module" }, \
137 { "-unexported_symbols_list", "-Zunexported_symbols_list" }, \
138 SUBTARGET_OPTION_TRANSLATE_TABLE
139
140 /* Nonzero if the user has chosen to force sizeof(bool) to be 1
141 by providing the -mone-byte-bool switch. It would be better
142 to use SUBTARGET_SWITCHES for this instead of SUBTARGET_OPTIONS,
143 but there are no more bits in rs6000 TARGET_SWITCHES. Note
144 that this switch has no "no-" variant. */
145 extern const char *darwin_one_byte_bool;
146
147 extern int darwin_fix_and_continue;
148 extern const char *darwin_fix_and_continue_switch;
149
150 #undef SUBTARGET_OPTIONS
151 #define SUBTARGET_OPTIONS \
152 {"one-byte-bool", &darwin_one_byte_bool, N_("Set sizeof(bool) to 1"), 0 }, \
153 {"fix-and-continue", &darwin_fix_and_continue_switch, \
154 N_("Generate code suitable for fast turn around debugging"), 0}, \
155 {"no-fix-and-continue", &darwin_fix_and_continue_switch, \
156 N_("Don't generate code suitable for fast turn around debugging"), 0}
157
158 /* These compiler options take n arguments. */
159
160 #undef WORD_SWITCH_TAKES_ARG
161 #define WORD_SWITCH_TAKES_ARG(STR) \
162 (DEFAULT_WORD_SWITCH_TAKES_ARG (STR) ? 1 : \
163 !strcmp (STR, "Zallowable_client") ? 1 : \
164 !strcmp (STR, "arch") ? 1 : \
165 !strcmp (STR, "arch_only") ? 1 : \
166 !strcmp (STR, "Zbundle_loader") ? 1 : \
167 !strcmp (STR, "client_name") ? 1 : \
168 !strcmp (STR, "compatibility_version") ? 1 : \
169 !strcmp (STR, "current_version") ? 1 : \
170 !strcmp (STR, "Zdylib_file") ? 1 : \
171 !strcmp (STR, "Zexported_symbols_list") ? 1 : \
172 !strcmp (STR, "Zimage_base") ? 1 : \
173 !strcmp (STR, "Zinit") ? 1 : \
174 !strcmp (STR, "Zinstall_name") ? 1 : \
175 !strcmp (STR, "Zmultiplydefinedunused") ? 1 : \
176 !strcmp (STR, "Zmultiply_defined") ? 1 : \
177 !strcmp (STR, "precomp-trustfile") ? 1 : \
178 !strcmp (STR, "read_only_relocs") ? 1 : \
179 !strcmp (STR, "sectcreate") ? 3 : \
180 !strcmp (STR, "sectorder") ? 3 : \
181 !strcmp (STR, "Zsegaddr") ? 2 : \
182 !strcmp (STR, "Zsegs_read_only_addr") ? 1 : \
183 !strcmp (STR, "Zsegs_read_write_addr") ? 1 : \
184 !strcmp (STR, "Zseg_addr_table") ? 1 : \
185 !strcmp (STR, "Zseg_addr_table_filename") ?1 :\
186 !strcmp (STR, "seg1addr") ? 1 : \
187 !strcmp (STR, "segprot") ? 3 : \
188 !strcmp (STR, "sub_library") ? 1 : \
189 !strcmp (STR, "sub_umbrella") ? 1 : \
190 !strcmp (STR, "umbrella") ? 1 : \
191 !strcmp (STR, "undefined") ? 1 : \
192 !strcmp (STR, "Zunexported_symbols_list") ? 1 : \
193 !strcmp (STR, "Zweak_reference_mismatches") ? 1 : \
194 !strcmp (STR, "pagezero_size") ? 1 : \
195 !strcmp (STR, "segs_read_only_addr") ? 1 : \
196 !strcmp (STR, "segs_read_write_addr") ? 1 : \
197 !strcmp (STR, "sectalign") ? 3 : \
198 !strcmp (STR, "sectobjectsymbols") ? 2 : \
199 !strcmp (STR, "segcreate") ? 3 : \
200 !strcmp (STR, "dylinker_install_name") ? 1 : \
201 0)
202
203 /* Machine dependent cpp options. __APPLE_CC__ is defined as the
204 Apple include files expect it to be defined and won't work if it
205 isn't. */
206
207 #undef CPP_SPEC
208 #define CPP_SPEC "%{static:%{!dynamic:-D__STATIC__}}%{!static:-D__DYNAMIC__}\
209 -D__APPLE_CC__=1"
210
211 /* This is mostly a clone of the standard LINK_COMMAND_SPEC, plus
212 precomp, libtool, and fat build additions. Also we
213 don't specify a second %G after %L because libSystem is
214 self-contained and doesn't need to link against libgcc.a. */
215 /* In general, random Darwin linker flags should go into LINK_SPEC
216 instead of LINK_COMMAND_SPEC. The command spec is better for
217 specifying the handling of options understood by generic Unix
218 linkers, and for positional arguments like libraries. */
219 #define LINK_COMMAND_SPEC "\
220 %{!fdump=*:%{!fsyntax-only:%{!precomp:%{!c:%{!M:%{!MM:%{!E:%{!S:\
221 %{!Zdynamiclib:%(linker)}%{Zdynamiclib:/usr/bin/libtool} \
222 %l %X %{d} %{s} %{t} %{Z} \
223 %{!Zdynamiclib:%{A} %{e*} %{m} %{N} %{n} %{r} %{u*} %{x} %{z}} \
224 %{@:-o %f%u.out}%{!@:%{o*}%{!o:-o a.out}} \
225 %{!Zdynamiclib:%{!A:%{!nostdlib:%{!nostartfiles:%S}}}} \
226 %{L*} %(link_libgcc) %o %{fprofile-arcs|fprofile-generate:-lgcov} \
227 %{!nostdlib:%{!nodefaultlibs:%G %L}} \
228 %{!A:%{!nostdlib:%{!nostartfiles:%E}}} %{T*} %{F*} }}}}}}}}"
229
230 /* Please keep the random linker options in alphabetical order (modulo
231 'Z' and 'no' prefixes). Options that can only go to one of libtool
232 or ld must be listed twice, under both !Zdynamiclib and
233 Zdynamiclib, with one of the cases reporting an error. */
234 /* Note that options taking arguments may appear multiple times on a
235 command line with different arguments each time, so put a * after
236 their names so all of them get passed. */
237 #define LINK_SPEC \
238 "%{static}%{!static:-dynamic} \
239 %{fgnu-runtime:%:replace-outfile(-lobjc -lobjc-gnu)}\
240 %{!Zdynamiclib: \
241 %{Zforce_cpusubtype_ALL:-arch %(darwin_arch) -force_cpusubtype_ALL} \
242 %{!Zforce_cpusubtype_ALL:-arch %(darwin_subarch)} \
243 %{Zbundle:-bundle} \
244 %{Zbundle_loader*:-bundle_loader %*} \
245 %{client_name*} \
246 %{compatibility_version*:%e-compatibility_version only allowed with -dynamiclib\
247 } \
248 %{current_version*:%e-current_version only allowed with -dynamiclib} \
249 %{Zforce_flat_namespace:-force_flat_namespace} \
250 %{Zinstall_name*:%e-install_name only allowed with -dynamiclib} \
251 %{keep_private_externs} \
252 %{private_bundle} \
253 } \
254 %{Zdynamiclib: \
255 %{Zbundle:%e-bundle not allowed with -dynamiclib} \
256 %{Zbundle_loader*:%e-bundle_loader not allowed with -dynamiclib} \
257 %{client_name*:%e-client_name not allowed with -dynamiclib} \
258 %{compatibility_version*} \
259 %{current_version*} \
260 %{Zforce_cpusubtype_ALL:-arch_only %(darwin_arch)} \
261 %{!Zforce_cpusubtype_ALL: -arch_only %(darwin_subarch)} \
262 %{Zforce_flat_namespace:%e-force_flat_namespace not allowed with -dynamiclib} \
263 %{Zinstall_name*:-install_name %*} \
264 %{keep_private_externs:%e-keep_private_externs not allowed with -dynamiclib} \
265 %{private_bundle:%e-private_bundle not allowed with -dynamiclib} \
266 } \
267 %{Zall_load:-all_load}%{Zdynamiclib:%{!Zall_load:-noall_load}} \
268 %{Zallowable_client*:-allowable_client %*} \
269 %{Zbind_at_load:-bind_at_load} \
270 %{Zarch_errors_fatal:-arch_errors_fatal} \
271 %{Zdead_strip:-dead_strip} \
272 %{Zno_dead_strip_inits_and_terms:-no_dead_strip_inits_and_terms} \
273 %{Zdylib_file*:-dylib_file %*} \
274 %{Zdynamic:-dynamic}\
275 %{Zexported_symbols_list*:-exported_symbols_list %*} \
276 %{Zflat_namespace:-flat_namespace} \
277 %{headerpad_max_install_names*} \
278 %{Zimage_base*:-image_base %*} \
279 %{Zinit*:-init %*} \
280 %{nomultidefs} \
281 %{Zmulti_module:-multi_module} %{Zsingle_module:-single_module} \
282 %{Zmultiply_defined*:-multiply_defined %*} \
283 %{Zmultiplydefinedunused*:-multiply_defined_unused %*} \
284 %{prebind} %{noprebind} %{nofixprebinding} %{prebind_all_twolevel_modules} \
285 %{read_only_relocs} \
286 %{sectcreate*} %{sectorder*} %{seg1addr*} %{segprot*} \
287 %{Zsegaddr*:-segaddr %*} \
288 %{Zsegs_read_only_addr*:-segs_read_only_addr %*} \
289 %{Zsegs_read_write_addr*:-segs_read_write_addr %*} \
290 %{Zseg_addr_table*: -seg_addr_table %*} \
291 %{Zseg_addr_table_filename*:-seg_addr_table_filename %*} \
292 %{sub_library*} %{sub_umbrella*} \
293 %{twolevel_namespace} %{twolevel_namespace_hints} \
294 %{umbrella*} \
295 %{undefined*} \
296 %{Zunexported_symbols_list*:-unexported_symbols_list %*} \
297 %{Zweak_reference_mismatches*:-weak_reference_mismatches %*} \
298 %{!Zweak_reference_mismatches*:-weak_reference_mismatches non-weak} \
299 %{X} \
300 %{y*} \
301 %{w} \
302 %{pagezero_size*} %{segs_read_*} %{seglinkedit} %{noseglinkedit} \
303 %{sectalign*} %{sectobjectsymbols*} %{segcreate*} %{whyload} \
304 %{whatsloaded} %{dylinker_install_name*} \
305 %{dylinker} %{Mach} "
306
307
308 /* Machine dependent libraries but do not redefine it if we already on 7.0 and
309 above as it needs to link with libmx also. */
310
311 #ifndef LIB_SPEC
312 #define LIB_SPEC "%{!static:-lSystem}"
313 #endif
314
315 /* We specify crt0.o as -lcrt0.o so that ld will search the library path. */
316
317 #undef STARTFILE_SPEC
318 #define STARTFILE_SPEC \
319 "%{!Zdynamiclib:%{Zbundle:%{!static:-lbundle1.o}} \
320 %{!Zbundle:%{pg:%{static:-lgcrt0.o} \
321 %{!static:%{object:-lgcrt0.o} \
322 %{!object:%{preload:-lgcrt0.o} \
323 %{!preload:-lgcrt1.o crt2.o%s}}}} \
324 %{!pg:%{static:-lcrt0.o} \
325 %{!static:%{object:-lcrt0.o} \
326 %{!object:%{preload:-lcrt0.o} \
327 %{!preload:-lcrt1.o crt2.o%s}}}}}}"
328
329 /* The native Darwin linker doesn't necessarily place files in the order
330 that they're specified on the link line. Thus, it is pointless
331 to put anything in ENDFILE_SPEC. */
332 /* #define ENDFILE_SPEC "" */
333
334 /* Default Darwin ASM_SPEC, very simple. */
335 #define ASM_SPEC "-arch %(darwin_arch) \
336 %{Zforce_cpusubtype_ALL:-force_cpusubtype_ALL}"
337
338 /* We use Dbx symbol format. */
339
340 #define DBX_DEBUGGING_INFO 1
341
342 /* Also enable Dwarf 2 as an option. */
343 #define DWARF2_DEBUGGING_INFO
344 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
345
346 #define DEBUG_FRAME_SECTION "__DWARFA,__debug_frame,coalesced,no_toc+strip_static_syms"
347 #define DEBUG_INFO_SECTION "__DWARFA,__debug_info"
348 #define DEBUG_ABBREV_SECTION "__DWARFA,__debug_abbrev"
349 #define DEBUG_ARANGES_SECTION "__DWARFA,__debug_aranges"
350 #define DEBUG_MACINFO_SECTION "__DWARFA,__debug_macinfo"
351 #define DEBUG_LINE_SECTION "__DWARFA,__debug_line"
352 #define DEBUG_LOC_SECTION "__DWARFA,__debug_loc"
353 #define DEBUG_PUBNAMES_SECTION "__DWARFA,__debug_pubnames"
354 #define DEBUG_STR_SECTION "__DWARFA,__debug_str"
355 #define DEBUG_RANGES_SECTION "__DWARFA,__debug_ranges"
356
357 /* When generating stabs debugging, use N_BINCL entries. */
358
359 #define DBX_USE_BINCL
360
361 /* There is no limit to the length of stabs strings. */
362
363 #define DBX_CONTIN_LENGTH 0
364
365 /* gdb needs a null N_SO at the end of each file for scattered loading. */
366
367 #define DBX_OUTPUT_NULL_N_SO_AT_MAIN_SOURCE_FILE_END
368
369 /* GCC's definition of 'one_only' is the same as its definition of 'weak'. */
370 #define MAKE_DECL_ONE_ONLY(DECL) (DECL_WEAK (DECL) = 1)
371
372 /* Mach-O supports 'weak imports', and 'weak definitions' in coalesced
373 sections. machopic_select_section ensures that weak variables go in
374 coalesced sections. Weak aliases (or any other kind of aliases) are
375 not supported. Weak symbols that aren't visible outside the .s file
376 are not supported. */
377 #define ASM_WEAKEN_DECL(FILE, DECL, NAME, ALIAS) \
378 do { \
379 if (ALIAS) \
380 { \
381 warning ("alias definitions not supported in Mach-O; ignored"); \
382 break; \
383 } \
384 \
385 if (! DECL_EXTERNAL (DECL) && TREE_PUBLIC (DECL)) \
386 targetm.asm_out.globalize_label (FILE, NAME); \
387 if (DECL_EXTERNAL (DECL)) \
388 fputs ("\t.weak_reference ", FILE); \
389 else if (! lookup_attribute ("weak", DECL_ATTRIBUTES (DECL)) \
390 && lookup_attribute ("weak_import", DECL_ATTRIBUTES (DECL))) \
391 break; \
392 else if (TREE_PUBLIC (DECL)) \
393 fputs ("\t.weak_definition ", FILE); \
394 else \
395 break; \
396 assemble_name (FILE, NAME); \
397 fputc ('\n', FILE); \
398 } while (0)
399
400 /* Darwin has the pthread routines in libSystem, which every program
401 links to, so there's no need for weak-ness for that. */
402 #define GTHREAD_USE_WEAK 0
403
404 /* We support hidden visibility */
405 #undef TARGET_SUPPORTS_HIDDEN
406 #define TARGET_SUPPORTS_HIDDEN 1
407
408 /* The Darwin linker imposes two limitations on common symbols: they
409 can't have hidden visibility, and they can't appear in dylibs. As
410 a consequence, we should never use common symbols to represent
411 vague linkage. */
412 #undef USE_COMMON_FOR_ONE_ONLY
413 #define USE_COMMON_FOR_ONE_ONLY 0
414
415 /* The Darwin linker doesn't want coalesced symbols to appear in
416 a static archive's table of contents. */
417 #undef TARGET_WEAK_NOT_IN_ARCHIVE_TOC
418 #define TARGET_WEAK_NOT_IN_ARCHIVE_TOC 1
419
420 /* We make exception information linkonce. */
421 #undef TARGET_USES_WEAK_UNWIND_INFO
422 #define TARGET_USES_WEAK_UNWIND_INFO 1
423
424 /* We need to use a nonlocal label for the start of an EH frame: the
425 Darwin linker requires that a coalesced section start with a label. */
426 #undef FRAME_BEGIN_LABEL
427 #define FRAME_BEGIN_LABEL "EH_frame"
428
429 /* Emit a label for the FDE corresponding to DECL. EMPTY means
430 emit a label for an empty FDE. */
431 #define TARGET_ASM_EMIT_UNWIND_LABEL darwin_emit_unwind_label
432
433 /* Our profiling scheme doesn't LP labels and counter words. */
434
435 #define NO_PROFILE_COUNTERS 1
436
437 #undef INIT_SECTION_ASM_OP
438 #define INIT_SECTION_ASM_OP
439
440 #undef INVOKE__main
441
442 #define TARGET_ASM_CONSTRUCTOR machopic_asm_out_constructor
443 #define TARGET_ASM_DESTRUCTOR machopic_asm_out_destructor
444
445 /* Always prefix with an underscore. */
446
447 #define USER_LABEL_PREFIX "_"
448
449 /* Don't output a .file directive. That is only used by the assembler for
450 error reporting. */
451 #undef TARGET_ASM_FILE_START_FILE_DIRECTIVE
452 #define TARGET_ASM_FILE_START_FILE_DIRECTIVE false
453
454 #undef TARGET_ASM_FILE_END
455 #define TARGET_ASM_FILE_END darwin_file_end
456
457 #define ASM_OUTPUT_SKIP(FILE,SIZE) \
458 fprintf (FILE, "\t.space "HOST_WIDE_INT_PRINT_UNSIGNED"\n", SIZE)
459
460 /* Give ObjC methods pretty symbol names. */
461
462 #undef OBJC_GEN_METHOD_LABEL
463 #define OBJC_GEN_METHOD_LABEL(BUF,IS_INST,CLASS_NAME,CAT_NAME,SEL_NAME,NUM) \
464 do { if (CAT_NAME) \
465 sprintf (BUF, "%c[%s(%s) %s]", (IS_INST) ? '-' : '+', \
466 (CLASS_NAME), (CAT_NAME), (SEL_NAME)); \
467 else \
468 sprintf (BUF, "%c[%s %s]", (IS_INST) ? '-' : '+', \
469 (CLASS_NAME), (SEL_NAME)); \
470 } while (0)
471
472 /* The RTTI data (e.g., __ti4name) is common and public (and static),
473 but it does need to be referenced via indirect PIC data pointers.
474 The machopic_define_symbol calls are telling the machopic subsystem
475 that the name *is* defined in this module, so it doesn't need to
476 make them indirect. */
477
478 #undef ASM_DECLARE_OBJECT_NAME
479 #define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \
480 do { \
481 const char *xname = NAME; \
482 if (GET_CODE (XEXP (DECL_RTL (DECL), 0)) != SYMBOL_REF) \
483 xname = IDENTIFIER_POINTER (DECL_NAME (DECL)); \
484 if (! DECL_WEAK (DECL) \
485 && ((TREE_STATIC (DECL) \
486 && (!DECL_COMMON (DECL) || !TREE_PUBLIC (DECL))) \
487 || DECL_INITIAL (DECL))) \
488 machopic_define_symbol (DECL_RTL (DECL)); \
489 if ((TREE_STATIC (DECL) \
490 && (!DECL_COMMON (DECL) || !TREE_PUBLIC (DECL))) \
491 || DECL_INITIAL (DECL)) \
492 (* targetm.encode_section_info) (DECL, DECL_RTL (DECL), false); \
493 ASM_OUTPUT_LABEL (FILE, xname); \
494 /* Darwin doesn't support zero-size objects, so give them a \
495 byte. */ \
496 if (tree_low_cst (DECL_SIZE_UNIT (DECL), 1) == 0) \
497 assemble_zeros (1); \
498 } while (0)
499
500 #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
501 do { \
502 const char *xname = NAME; \
503 if (GET_CODE (XEXP (DECL_RTL (DECL), 0)) != SYMBOL_REF) \
504 xname = IDENTIFIER_POINTER (DECL_NAME (DECL)); \
505 if (! DECL_WEAK (DECL) \
506 && ((TREE_STATIC (DECL) \
507 && (!DECL_COMMON (DECL) || !TREE_PUBLIC (DECL))) \
508 || DECL_INITIAL (DECL))) \
509 machopic_define_symbol (DECL_RTL (DECL)); \
510 if ((TREE_STATIC (DECL) \
511 && (!DECL_COMMON (DECL) || !TREE_PUBLIC (DECL))) \
512 || DECL_INITIAL (DECL)) \
513 (* targetm.encode_section_info) (DECL, DECL_RTL (DECL), false); \
514 ASM_OUTPUT_LABEL (FILE, xname); \
515 } while (0)
516
517 #define ASM_DECLARE_CONSTANT_NAME(FILE, NAME, EXP, SIZE) \
518 do { \
519 ASM_OUTPUT_LABEL (FILE, NAME); \
520 /* Darwin doesn't support zero-size objects, so give them a \
521 byte. */ \
522 if ((SIZE) == 0) \
523 assemble_zeros (1); \
524 } while (0)
525
526 /* Wrap new method names in quotes so the assembler doesn't gag.
527 Make Objective-C internal symbols local. */
528
529 #undef ASM_OUTPUT_LABELREF
530 #define ASM_OUTPUT_LABELREF(FILE,NAME) \
531 do { \
532 const char *xname = (NAME); \
533 if (! strcmp (xname, "<pic base>")) \
534 machopic_output_function_base_name(FILE); \
535 else if (xname[0] == '&' || xname[0] == '*') \
536 { \
537 int len = strlen (xname); \
538 if (len > 6 && !strcmp ("$stub", xname + len - 5)) \
539 machopic_validate_stub_or_non_lazy_ptr (xname); \
540 else if (len > 7 && !strcmp ("$stub\"", xname + len - 6)) \
541 machopic_validate_stub_or_non_lazy_ptr (xname); \
542 else if (len > 14 && !strcmp ("$non_lazy_ptr", xname + len - 13)) \
543 machopic_validate_stub_or_non_lazy_ptr (xname); \
544 fputs (&xname[1], FILE); \
545 } \
546 else if (xname[0] == '+' || xname[0] == '-') \
547 fprintf (FILE, "\"%s\"", xname); \
548 else if (!strncmp (xname, "_OBJC_", 6)) \
549 fprintf (FILE, "L%s", xname); \
550 else if (!strncmp (xname, ".objc_class_name_", 17)) \
551 fprintf (FILE, "%s", xname); \
552 else \
553 asm_fprintf (FILE, "%U%s", xname); \
554 } while (0)
555
556 /* Output before executable code. */
557 #undef TEXT_SECTION_ASM_OP
558 #define TEXT_SECTION_ASM_OP "\t.text"
559
560 /* Output before writable data. */
561
562 #undef DATA_SECTION_ASM_OP
563 #define DATA_SECTION_ASM_OP "\t.data"
564
565 #undef ALIGN_ASM_OP
566 #define ALIGN_ASM_OP ".align"
567
568 #undef ASM_OUTPUT_ALIGN
569 #define ASM_OUTPUT_ALIGN(FILE,LOG) \
570 if ((LOG) != 0) \
571 fprintf (FILE, "\t%s %d\n", ALIGN_ASM_OP, (LOG))
572
573 /* Ensure correct alignment of bss data. */
574
575 #undef ASM_OUTPUT_ALIGNED_DECL_LOCAL
576 #define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \
577 do { \
578 fputs (".lcomm ", (FILE)); \
579 assemble_name ((FILE), (NAME)); \
580 fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", (SIZE), \
581 floor_log2 ((ALIGN) / BITS_PER_UNIT)); \
582 if ((DECL) && ((TREE_STATIC (DECL) \
583 && (!DECL_COMMON (DECL) || !TREE_PUBLIC (DECL))) \
584 || DECL_INITIAL (DECL))) \
585 { \
586 (* targetm.encode_section_info) (DECL, DECL_RTL (DECL), false); \
587 machopic_define_symbol (DECL_RTL (DECL)); \
588 } \
589 } while (0)
590
591 /* The maximum alignment which the object file format can support.
592 For Mach-O, this is 2^15. */
593
594 #undef MAX_OFILE_ALIGNMENT
595 #define MAX_OFILE_ALIGNMENT 0x8000
596
597 /* Create new Mach-O sections. */
598
599 #undef SECTION_FUNCTION
600 #define SECTION_FUNCTION(FUNCTION, SECTION, DIRECTIVE, OBJC) \
601 extern void FUNCTION (void); \
602 void \
603 FUNCTION (void) \
604 { \
605 if (in_section != SECTION) \
606 { \
607 if (OBJC) \
608 objc_section_init (); \
609 if (asm_out_file) \
610 fputs ("\t" DIRECTIVE "\n", asm_out_file); \
611 in_section = SECTION; \
612 } \
613 } \
614
615 /* Darwin uses many types of special sections. */
616
617 #undef EXTRA_SECTIONS
618 #define EXTRA_SECTIONS \
619 in_text_coal, in_text_unlikely, in_text_unlikely_coal, \
620 in_const, in_const_data, in_cstring, in_literal4, in_literal8, \
621 in_const_coal, in_const_data_coal, in_data_coal, \
622 in_constructor, in_destructor, in_mod_init, in_mod_term, \
623 in_objc_class, in_objc_meta_class, in_objc_category, \
624 in_objc_class_vars, in_objc_instance_vars, \
625 in_objc_cls_meth, in_objc_inst_meth, \
626 in_objc_cat_cls_meth, in_objc_cat_inst_meth, \
627 in_objc_selector_refs, \
628 in_objc_selector_fixup, \
629 in_objc_symbols, in_objc_module_info, \
630 in_objc_protocol, in_objc_string_object, \
631 in_objc_constant_string_object, \
632 in_objc_image_info, \
633 in_objc_class_names, in_objc_meth_var_names, \
634 in_objc_meth_var_types, in_objc_cls_refs, \
635 in_machopic_nl_symbol_ptr, \
636 in_machopic_lazy_symbol_ptr, \
637 in_machopic_symbol_stub, \
638 in_machopic_symbol_stub1, \
639 in_machopic_picsymbol_stub, \
640 in_machopic_picsymbol_stub1, \
641 in_darwin_exception, in_darwin_eh_frame, \
642 num_sections
643
644 #undef EXTRA_SECTION_FUNCTIONS
645 #define EXTRA_SECTION_FUNCTIONS \
646 static void objc_section_init (void); \
647 SECTION_FUNCTION (text_coal_section, \
648 in_text_coal, \
649 ".section __TEXT,__textcoal_nt,coalesced," \
650 "pure_instructions", 0) \
651 SECTION_FUNCTION (text_unlikely_section, \
652 in_text_unlikely, \
653 ".section __TEXT,__text_unlikely,coalesced," \
654 "pure_instructions", 0) \
655 SECTION_FUNCTION (text_unlikely_coal_section, \
656 in_text_unlikely_coal, \
657 ".section __TEXT,__text_unlikely_coal," \
658 "coalesced,pure_instructions", 0) \
659 SECTION_FUNCTION (const_section, \
660 in_const, \
661 ".const", 0) \
662 SECTION_FUNCTION (const_coal_section, \
663 in_const_coal, \
664 ".section __TEXT,__const_coal,coalesced", 0) \
665 SECTION_FUNCTION (const_data_section, \
666 in_const_data, \
667 ".const_data", 0) \
668 SECTION_FUNCTION (const_data_coal_section, \
669 in_const_data_coal, \
670 ".section __DATA,__const_coal,coalesced", 0) \
671 SECTION_FUNCTION (data_coal_section, \
672 in_data_coal, \
673 ".section __DATA,__datacoal_nt,coalesced", 0) \
674 SECTION_FUNCTION (cstring_section, \
675 in_cstring, \
676 ".cstring", 0) \
677 SECTION_FUNCTION (literal4_section, \
678 in_literal4, \
679 ".literal4", 0) \
680 SECTION_FUNCTION (literal8_section, \
681 in_literal8, \
682 ".literal8", 0) \
683 SECTION_FUNCTION (constructor_section, \
684 in_constructor, \
685 ".constructor", 0) \
686 SECTION_FUNCTION (mod_init_section, \
687 in_mod_init, \
688 ".mod_init_func", 0) \
689 SECTION_FUNCTION (mod_term_section, \
690 in_mod_term, \
691 ".mod_term_func", 0) \
692 SECTION_FUNCTION (destructor_section, \
693 in_destructor, \
694 ".destructor", 0) \
695 SECTION_FUNCTION (objc_class_section, \
696 in_objc_class, \
697 ".objc_class", 1) \
698 SECTION_FUNCTION (objc_meta_class_section, \
699 in_objc_meta_class, \
700 ".objc_meta_class", 1) \
701 SECTION_FUNCTION (objc_category_section, \
702 in_objc_category, \
703 ".objc_category", 1) \
704 SECTION_FUNCTION (objc_class_vars_section, \
705 in_objc_class_vars, \
706 ".objc_class_vars", 1) \
707 SECTION_FUNCTION (objc_instance_vars_section, \
708 in_objc_instance_vars, \
709 ".objc_instance_vars", 1) \
710 SECTION_FUNCTION (objc_cls_meth_section, \
711 in_objc_cls_meth, \
712 ".objc_cls_meth", 1) \
713 SECTION_FUNCTION (objc_inst_meth_section, \
714 in_objc_inst_meth, \
715 ".objc_inst_meth", 1) \
716 SECTION_FUNCTION (objc_cat_cls_meth_section, \
717 in_objc_cat_cls_meth, \
718 ".objc_cat_cls_meth", 1) \
719 SECTION_FUNCTION (objc_cat_inst_meth_section, \
720 in_objc_cat_inst_meth, \
721 ".objc_cat_inst_meth", 1) \
722 SECTION_FUNCTION (objc_selector_refs_section, \
723 in_objc_selector_refs, \
724 ".objc_message_refs", 1) \
725 SECTION_FUNCTION (objc_selector_fixup_section, \
726 in_objc_selector_fixup, \
727 ".section __OBJC, __sel_fixup, regular, no_dead_strip", 1) \
728 SECTION_FUNCTION (objc_symbols_section, \
729 in_objc_symbols, \
730 ".objc_symbols", 1) \
731 SECTION_FUNCTION (objc_module_info_section, \
732 in_objc_module_info, \
733 ".objc_module_info", 1) \
734 SECTION_FUNCTION (objc_protocol_section, \
735 in_objc_protocol, \
736 ".objc_protocol", 1) \
737 SECTION_FUNCTION (objc_string_object_section, \
738 in_objc_string_object, \
739 ".objc_string_object", 1) \
740 SECTION_FUNCTION (objc_constant_string_object_section, \
741 in_objc_constant_string_object, \
742 ".section __OBJC, __cstring_object, regular, " \
743 "no_dead_strip", 1) \
744 /* Fix-and-Continue image marker. */ \
745 SECTION_FUNCTION (objc_image_info_section, \
746 in_objc_image_info, \
747 ".section __OBJC, __image_info, regular, " \
748 "no_dead_strip", 1) \
749 SECTION_FUNCTION (objc_class_names_section, \
750 in_objc_class_names, \
751 ".objc_class_names", 1) \
752 SECTION_FUNCTION (objc_meth_var_names_section, \
753 in_objc_meth_var_names, \
754 ".objc_meth_var_names", 1) \
755 SECTION_FUNCTION (objc_meth_var_types_section, \
756 in_objc_meth_var_types, \
757 ".objc_meth_var_types", 1) \
758 SECTION_FUNCTION (objc_cls_refs_section, \
759 in_objc_cls_refs, \
760 ".objc_cls_refs", 1) \
761 \
762 SECTION_FUNCTION (machopic_lazy_symbol_ptr_section, \
763 in_machopic_lazy_symbol_ptr, \
764 ".lazy_symbol_pointer", 0) \
765 SECTION_FUNCTION (machopic_nl_symbol_ptr_section, \
766 in_machopic_nl_symbol_ptr, \
767 ".non_lazy_symbol_pointer", 0) \
768 SECTION_FUNCTION (machopic_symbol_stub_section, \
769 in_machopic_symbol_stub, \
770 ".symbol_stub", 0) \
771 SECTION_FUNCTION (machopic_symbol_stub1_section, \
772 in_machopic_symbol_stub1, \
773 ".section __TEXT,__symbol_stub1,symbol_stubs," \
774 "pure_instructions,16", 0) \
775 SECTION_FUNCTION (machopic_picsymbol_stub_section, \
776 in_machopic_picsymbol_stub, \
777 ".picsymbol_stub", 0) \
778 SECTION_FUNCTION (machopic_picsymbol_stub1_section, \
779 in_machopic_picsymbol_stub1, \
780 ".section __TEXT,__picsymbolstub1,symbol_stubs," \
781 "pure_instructions,32", 0) \
782 SECTION_FUNCTION (darwin_exception_section, \
783 in_darwin_exception, \
784 ".section __DATA,__gcc_except_tab", 0) \
785 SECTION_FUNCTION (darwin_eh_frame_section, \
786 in_darwin_eh_frame, \
787 ".section " EH_FRAME_SECTION_NAME ",__eh_frame" \
788 EH_FRAME_SECTION_ATTR, 0) \
789 \
790 static void \
791 objc_section_init (void) \
792 { \
793 static int been_here = 0; \
794 \
795 if (been_here == 0) \
796 { \
797 been_here = 1; \
798 /* written, cold -> hot */ \
799 objc_cat_cls_meth_section (); \
800 objc_cat_inst_meth_section (); \
801 objc_string_object_section (); \
802 objc_constant_string_object_section (); \
803 objc_selector_refs_section (); \
804 objc_selector_fixup_section (); \
805 objc_cls_refs_section (); \
806 objc_class_section (); \
807 objc_meta_class_section (); \
808 /* shared, hot -> cold */ \
809 objc_cls_meth_section (); \
810 objc_inst_meth_section (); \
811 objc_protocol_section (); \
812 objc_class_names_section (); \
813 objc_meth_var_types_section (); \
814 objc_meth_var_names_section (); \
815 objc_category_section (); \
816 objc_class_vars_section (); \
817 objc_instance_vars_section (); \
818 objc_module_info_section (); \
819 objc_symbols_section (); \
820 } \
821 }
822
823 #define READONLY_DATA_SECTION const_section
824
825 #undef TARGET_ASM_SELECT_SECTION
826 #define TARGET_ASM_SELECT_SECTION machopic_select_section
827 #define USE_SELECT_SECTION_FOR_FUNCTIONS
828
829 #undef TARGET_ASM_SELECT_RTX_SECTION
830 #define TARGET_ASM_SELECT_RTX_SECTION machopic_select_rtx_section
831 #undef TARGET_ASM_UNIQUE_SECTION
832 #define TARGET_ASM_UNIQUE_SECTION darwin_unique_section
833 #undef TARGET_ASM_FUNCTION_RODATA_SECTION
834 #define TARGET_ASM_FUNCTION_RODATA_SECTION default_no_function_rodata_section
835
836
837 #define ASM_DECLARE_UNRESOLVED_REFERENCE(FILE,NAME) \
838 do { \
839 if (FILE) { \
840 if (MACHOPIC_INDIRECT) \
841 fprintf (FILE, "\t.lazy_reference "); \
842 else \
843 fprintf (FILE, "\t.reference "); \
844 assemble_name (FILE, NAME); \
845 fprintf (FILE, "\n"); \
846 } \
847 } while (0)
848
849 #define ASM_DECLARE_CLASS_REFERENCE(FILE,NAME) \
850 do { \
851 if (FILE) { \
852 fprintf (FILE, "\t"); \
853 assemble_name (FILE, NAME); \
854 fprintf (FILE, "=0\n"); \
855 (*targetm.asm_out.globalize_label) (FILE, NAME); \
856 } \
857 } while (0)
858
859 /* Globalizing directive for a label. */
860 #define GLOBAL_ASM_OP ".globl "
861 #define TARGET_ASM_GLOBALIZE_LABEL darwin_globalize_label
862
863 /* Emit an assembler directive to set visibility for a symbol. Used
864 to support visibility attribute and Darwin's private extern
865 feature. */
866 #undef TARGET_ASM_ASSEMBLE_VISIBILITY
867 #define TARGET_ASM_ASSEMBLE_VISIBILITY darwin_assemble_visibility
868
869 /* Extra attributes for Darwin. */
870 #define SUBTARGET_ATTRIBUTE_TABLE \
871 /* { name, min_len, max_len, decl_req, type_req, fn_type_req, handler } */ \
872 { "weak_import", 0, 0, true, false, false, \
873 darwin_handle_weak_import_attribute }
874
875 #undef ASM_GENERATE_INTERNAL_LABEL
876 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
877 sprintf (LABEL, "*%s%ld", PREFIX, (long)(NUM))
878
879 #undef TARGET_ASM_MARK_DECL_PRESERVED
880 #define TARGET_ASM_MARK_DECL_PRESERVED darwin_mark_decl_preserved
881
882 /* Set on a symbol with SYMBOL_FLAG_FUNCTION or
883 MACHO_SYMBOL_FLAG_VARIABLE to indicate that the function or
884 variable has been defined in this translation unit. */
885
886 #define MACHO_SYMBOL_FLAG_VARIABLE (SYMBOL_FLAG_MACH_DEP)
887 #define MACHO_SYMBOL_FLAG_DEFINED ((SYMBOL_FLAG_MACH_DEP) << 1)
888
889 /* Set on a symbol to indicate when fix-and-continue style code
890 generation is being used and the symbol refers to a static symbol
891 that should be rebound from new instances of a translation unit to
892 the original instance of the data. */
893
894 #define MACHO_SYMBOL_STATIC ((SYMBOL_FLAG_MACH_DEP) << 2)
895
896 /* Symbolic names for various things we might know about a symbol. */
897
898 enum machopic_addr_class {
899 MACHOPIC_UNDEFINED,
900 MACHOPIC_DEFINED_DATA,
901 MACHOPIC_UNDEFINED_DATA,
902 MACHOPIC_DEFINED_FUNCTION,
903 MACHOPIC_UNDEFINED_FUNCTION
904 };
905
906 /* Macros defining the various PIC cases. */
907
908 #define MACHO_DYNAMIC_NO_PIC_P (TARGET_DYNAMIC_NO_PIC)
909 #define MACHOPIC_INDIRECT (flag_pic || MACHO_DYNAMIC_NO_PIC_P)
910 #define MACHOPIC_JUST_INDIRECT (flag_pic == 1 || MACHO_DYNAMIC_NO_PIC_P)
911 #define MACHOPIC_PURE (flag_pic == 2 && ! MACHO_DYNAMIC_NO_PIC_P)
912
913 #undef TARGET_ENCODE_SECTION_INFO
914 #define TARGET_ENCODE_SECTION_INFO darwin_encode_section_info
915 #undef TARGET_STRIP_NAME_ENCODING
916 #define TARGET_STRIP_NAME_ENCODING default_strip_name_encoding
917
918 #define GEN_BINDER_NAME_FOR_STUB(BUF,STUB,STUB_LENGTH) \
919 do { \
920 const char *const stub_ = (STUB); \
921 char *buffer_ = (BUF); \
922 strcpy (buffer_, stub_); \
923 if (stub_[0] == '"') \
924 { \
925 strcpy (buffer_ + (STUB_LENGTH) - 1, "_binder\""); \
926 } \
927 else \
928 { \
929 strcpy (buffer_ + (STUB_LENGTH), "_binder"); \
930 } \
931 } while (0)
932
933 #define GEN_SYMBOL_NAME_FOR_SYMBOL(BUF,SYMBOL,SYMBOL_LENGTH) \
934 do { \
935 const char *const symbol_ = (SYMBOL); \
936 char *buffer_ = (BUF); \
937 if (name_needs_quotes (symbol_) && symbol_[0] != '"') \
938 { \
939 sprintf (buffer_, "\"%s\"", symbol_); \
940 } \
941 else \
942 { \
943 strcpy (buffer_, symbol_); \
944 } \
945 } while (0)
946
947 /* Given a symbol name string, create the lazy pointer version
948 of the symbol name. */
949
950 #define GEN_LAZY_PTR_NAME_FOR_SYMBOL(BUF,SYMBOL,SYMBOL_LENGTH) \
951 do { \
952 const char *symbol_ = (SYMBOL); \
953 char *buffer_ = (BUF); \
954 if (symbol_[0] == '"') \
955 { \
956 strcpy (buffer_, "\"L"); \
957 strcpy (buffer_ + 2, symbol_ + 1); \
958 strcpy (buffer_ + (SYMBOL_LENGTH), "$lazy_ptr\""); \
959 } \
960 else if (name_needs_quotes (symbol_)) \
961 { \
962 strcpy (buffer_, "\"L"); \
963 strcpy (buffer_ + 2, symbol_); \
964 strcpy (buffer_ + (SYMBOL_LENGTH) + 2, "$lazy_ptr\""); \
965 } \
966 else \
967 { \
968 strcpy (buffer_, "L"); \
969 strcpy (buffer_ + 1, symbol_); \
970 strcpy (buffer_ + (SYMBOL_LENGTH) + 1, "$lazy_ptr"); \
971 } \
972 } while (0)
973
974 #define TARGET_ASM_EXCEPTION_SECTION darwin_exception_section
975
976 #define TARGET_ASM_EH_FRAME_SECTION darwin_eh_frame_section
977
978 #define EH_FRAME_SECTION_NAME "__TEXT"
979 #define EH_FRAME_SECTION_ATTR ",coalesced,no_toc+strip_static_syms+live_support"
980
981 /* Java runtime class list. */
982 #define JCR_SECTION_NAME "__DATA,jcr,regular,no_dead_strip"
983
984 #undef ASM_PREFERRED_EH_DATA_FORMAT
985 #define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \
986 (((CODE) == 2 && (GLOBAL) == 1) \
987 ? (DW_EH_PE_pcrel | DW_EH_PE_indirect) : \
988 ((CODE) == 1 || (GLOBAL) == 0) ? DW_EH_PE_pcrel : DW_EH_PE_absptr)
989
990 #define ASM_OUTPUT_DWARF_DELTA(FILE,SIZE,LABEL1,LABEL2) \
991 darwin_asm_output_dwarf_delta (FILE, SIZE, LABEL1, LABEL2)
992
993 #define ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX(ASM_OUT_FILE, ENCODING, SIZE, ADDR, DONE) \
994 if (ENCODING == ASM_PREFERRED_EH_DATA_FORMAT (2, 1)) { \
995 darwin_non_lazy_pcrel (ASM_OUT_FILE, ADDR); \
996 goto DONE; \
997 }
998
999
1000 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO false
1001
1002 #undef TARGET_ASM_NAMED_SECTION
1003 #define TARGET_ASM_NAMED_SECTION darwin_asm_named_section
1004
1005 #define DARWIN_REGISTER_TARGET_PRAGMAS() \
1006 do { \
1007 c_register_pragma (0, "mark", darwin_pragma_ignore); \
1008 c_register_pragma (0, "options", darwin_pragma_options); \
1009 c_register_pragma (0, "segment", darwin_pragma_ignore); \
1010 c_register_pragma (0, "unused", darwin_pragma_unused); \
1011 } while (0)
1012
1013 #undef ASM_APP_ON
1014 #define ASM_APP_ON ""
1015 #undef ASM_APP_OFF
1016 #define ASM_APP_OFF ""
1017
1018 void darwin_register_frameworks (const char *, const char *, int);
1019 void darwin_register_objc_includes (const char *, const char *, int);
1020 #define TARGET_EXTRA_PRE_INCLUDES darwin_register_objc_includes
1021 #define TARGET_EXTRA_INCLUDES darwin_register_frameworks
1022
1023 void add_framework_path (char *);
1024 #define TARGET_OPTF add_framework_path
1025
1026 #define TARGET_HAS_F_SETLKW
1027
1028 /* Darwin before 7.0 does not have C99 functions. */
1029 #ifndef TARGET_C99_FUNCTIONS
1030 #define TARGET_C99_FUNCTIONS 0
1031 #endif
1032
1033 #define WINT_TYPE "int"
1034
1035 #endif /* CONFIG_DARWIN_H */
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