Update gcc-50 to SVN version 222321 (gcc-5-branch)
[dragonfly.git] / contrib / gcc-5.0 / gcc / output.h
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dda118e3
JM
1/* Declarations for insn-output.c and other code to write to asm_out_file.
2 These functions are defined in final.c, and varasm.c.
3 Copyright (C) 1987-2015 Free Software Foundation, Inc.
4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify it under
8the terms of the GNU General Public License as published by the Free
9Software Foundation; either version 3, or (at your option) any later
10version.
11
12GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13WARRANTY; without even the implied warranty of MERCHANTABILITY or
14FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15for more details.
16
17You should have received a copy of the GNU General Public License
18along with GCC; see the file COPYING3. If not see
19<http://www.gnu.org/licenses/>. */
20
21#ifndef GCC_OUTPUT_H
22#define GCC_OUTPUT_H
23
24/* Initialize data in final at the beginning of a compilation. */
25extern void init_final (const char *);
26
27/* Enable APP processing of subsequent output.
28 Used before the output from an `asm' statement. */
29extern void app_enable (void);
30
31/* Disable APP processing of subsequent output.
32 Called from varasm.c before most kinds of output. */
33extern void app_disable (void);
34
35/* Return the number of slots filled in the current
36 delayed branch sequence (we don't count the insn needing the
37 delay slot). Zero if not in a delayed branch sequence. */
38extern int dbr_sequence_length (void);
39
40/* Indicate that branch shortening hasn't yet been done. */
41extern void init_insn_lengths (void);
42
43/* Obtain the current length of an insn. If branch shortening has been done,
44 get its actual length. Otherwise, get its maximum length. */
45extern int get_attr_length (rtx_insn *);
46
47/* Obtain the current length of an insn. If branch shortening has been done,
48 get its actual length. Otherwise, get its minimum length. */
49extern int get_attr_min_length (rtx_insn *);
50
51/* Make a pass over all insns and compute their actual lengths by shortening
52 any branches of variable length if possible. */
53extern void shorten_branches (rtx_insn *);
54
55const char *get_some_local_dynamic_name ();
56
57/* Output assembler code for the start of a function,
58 and initialize some of the variables in this file
59 for the new function. The label for the function and associated
60 assembler pseudo-ops have already been output in
61 `assemble_start_function'. */
62extern void final_start_function (rtx_insn *, FILE *, int);
63
64/* Output assembler code for the end of a function.
65 For clarity, args are same as those of `final_start_function'
66 even though not all of them are needed. */
67extern void final_end_function (void);
68
69/* Output assembler code for some insns: all or part of a function. */
70extern void final (rtx_insn *, FILE *, int);
71
72/* The final scan for one insn, INSN. Args are same as in `final', except
73 that INSN is the insn being scanned. Value returned is the next insn to
74 be scanned. */
75extern rtx_insn *final_scan_insn (rtx_insn *, FILE *, int, int, int *);
76
77/* Replace a SUBREG with a REG or a MEM, based on the thing it is a
78 subreg of. */
79extern rtx alter_subreg (rtx *, bool);
80
81/* Print an operand using machine-dependent assembler syntax. */
82extern void output_operand (rtx, int);
83
84/* Report inconsistency between the assembler template and the operands.
85 In an `asm', it's the user's fault; otherwise, the compiler's fault. */
86extern void output_operand_lossage (const char *, ...) ATTRIBUTE_PRINTF_1;
87
88/* Output a string of assembler code, substituting insn operands.
89 Defined in final.c. */
90extern void output_asm_insn (const char *, rtx *);
91
92/* Compute a worst-case reference address of a branch so that it
93 can be safely used in the presence of aligned labels.
94 Defined in final.c. */
95extern int insn_current_reference_address (rtx_insn *);
96
97/* Find the alignment associated with a CODE_LABEL.
98 Defined in final.c. */
99extern int label_to_alignment (rtx);
100
101/* Find the alignment maximum skip associated with a CODE_LABEL.
102 Defined in final.c. */
103extern int label_to_max_skip (rtx);
104
105/* Output a LABEL_REF, or a bare CODE_LABEL, as an assembler symbol. */
106extern void output_asm_label (rtx);
107
108/* Marks SYMBOL_REFs in x as referenced through use of assemble_external. */
109extern void mark_symbol_refs_as_used (rtx);
110
111/* Print a memory reference operand for address X
112 using machine-dependent assembler syntax. */
113extern void output_address (rtx);
114
115/* Print an integer constant expression in assembler syntax.
116 Addition and subtraction are the only arithmetic
117 that may appear in these expressions. */
118extern void output_addr_const (FILE *, rtx);
119
120/* Output a string of assembler code, substituting numbers, strings
121 and fixed syntactic prefixes. */
122#if GCC_VERSION >= 3004
123#define ATTRIBUTE_ASM_FPRINTF(m, n) __attribute__ ((__format__ (__asm_fprintf__, m, n))) ATTRIBUTE_NONNULL(m)
124#else
125#define ATTRIBUTE_ASM_FPRINTF(m, n) ATTRIBUTE_NONNULL(m)
126#endif
127
128extern void fprint_whex (FILE *, unsigned HOST_WIDE_INT);
129extern void fprint_ul (FILE *, unsigned long);
130extern int sprint_ul (char *, unsigned long);
131
132extern void asm_fprintf (FILE *file, const char *p, ...)
133 ATTRIBUTE_ASM_FPRINTF(2, 3);
134
135/* Return nonzero if this function has no function calls. */
136extern int leaf_function_p (void);
137
138/* Return 1 if branch is a forward branch.
139 Uses insn_shuid array, so it works only in the final pass. May be used by
140 output templates to add branch prediction hints, for example. */
141extern int final_forward_branch_p (rtx_insn *);
142
143/* Return 1 if this function uses only the registers that can be
144 safely renumbered. */
145extern int only_leaf_regs_used (void);
146
147/* Scan IN_RTX and its subexpressions, and renumber all regs into those
148 available in leaf functions. */
149extern void leaf_renumber_regs_insn (rtx);
150
151/* Locate the proper template for the given insn-code. */
152extern const char *get_insn_template (int, rtx);
153
154/* Functions in varasm.c. */
155
156/* Emit any pending weak declarations. */
157extern void weak_finish (void);
158
159/* Decode an `asm' spec for a declaration as a register name.
160 Return the register number, or -1 if nothing specified,
161 or -2 if the ASMSPEC is not `cc' or `memory' and is not recognized,
162 or -3 if ASMSPEC is `cc' and is not recognized,
163 or -4 if ASMSPEC is `memory' and is not recognized.
164 Accept an exact spelling or a decimal number.
165 Prefixes such as % are optional. */
166extern int decode_reg_name (const char *);
167
168/* Similar to decode_reg_name, but takes an extra parameter that is a
169 pointer to the number of (internal) registers described by the
170 external name. */
171extern int decode_reg_name_and_count (const char *, int *);
172
173extern void do_assemble_alias (tree, tree);
174
175extern void default_assemble_visibility (tree, int);
176
177/* Output a string of literal assembler code
178 for an `asm' keyword used between functions. */
179extern void assemble_asm (tree);
180
181/* Get the function's name from a decl, as described by its RTL. */
182extern const char *get_fnname_from_decl (tree);
183
184/* Output assembler code for the constant pool of a function and associated
185 with defining the name of the function. DECL describes the function.
186 NAME is the function's name. For the constant pool, we use the current
187 constant pool data. */
188extern void assemble_start_function (tree, const char *);
189
190/* Output assembler code associated with defining the size of the
191 function. DECL describes the function. NAME is the function's name. */
192extern void assemble_end_function (tree, const char *);
193
194/* Assemble everything that is needed for a variable or function declaration.
195 Not used for automatic variables, and not used for function definitions.
196 Should not be called for variables of incomplete structure type.
197
198 TOP_LEVEL is nonzero if this variable has file scope.
199 AT_END is nonzero if this is the special handling, at end of compilation,
200 to define things that have had only tentative definitions.
201 DONT_OUTPUT_DATA if nonzero means don't actually output the
202 initial value (that will be done by the caller). */
203extern void assemble_variable (tree, int, int, int);
204
205/* Put the vtable verification constructor initialization function
206 into the preinit array. */
207extern void assemble_vtv_preinit_initializer (tree);
208
209/* Assemble everything that is needed for a variable declaration that has
210 no definition in the current translation unit. */
211extern void assemble_undefined_decl (tree);
212
213/* Compute the alignment of variable specified by DECL.
214 DONT_OUTPUT_DATA is from assemble_variable. */
215extern void align_variable (tree decl, bool dont_output_data);
216
217/* Queue for outputting something to declare an external symbol to the
218 assembler. (Most assemblers don't need this, so we normally output
219 nothing.) Do nothing if DECL is not external. */
220extern void assemble_external (tree);
221
222/* Assemble code to leave SIZE bytes of zeros. */
223extern void assemble_zeros (unsigned HOST_WIDE_INT);
224
225/* Assemble an alignment pseudo op for an ALIGN-bit boundary. */
226extern void assemble_align (int);
227
228/* Assemble a string constant with the specified C string as contents. */
229extern void assemble_string (const char *, int);
230
231/* Similar, for calling a library function FUN. */
232extern void assemble_external_libcall (rtx);
233
234/* Assemble a label named NAME. */
235extern void assemble_label (FILE *, const char *);
236
237/* Output to FILE (an assembly file) a reference to NAME. If NAME
238 starts with a *, the rest of NAME is output verbatim. Otherwise
239 NAME is transformed in a target-specific way (usually by the
240 addition of an underscore). */
241extern void assemble_name_raw (FILE *, const char *);
242
243/* Like assemble_name_raw, but should be used when NAME might refer to
244 an entity that is also represented as a tree (like a function or
245 variable). If NAME does refer to such an entity, that entity will
246 be marked as referenced. */
247extern void assemble_name (FILE *, const char *);
248
249/* Return the assembler directive for creating a given kind of integer
250 object. SIZE is the number of bytes in the object and ALIGNED_P
251 indicates whether it is known to be aligned. Return NULL if the
252 assembly dialect has no such directive.
253
254 The returned string should be printed at the start of a new line and
255 be followed immediately by the object's initial value. */
256extern const char *integer_asm_op (int, int);
257
258/* Use directive OP to assemble an integer object X. Print OP at the
259 start of the line, followed immediately by the value of X. */
260extern void assemble_integer_with_op (const char *, rtx);
261
262/* The default implementation of the asm_out.integer target hook. */
263extern bool default_assemble_integer (rtx, unsigned int, int);
264
265/* Assemble the integer constant X into an object of SIZE bytes. ALIGN is
266 the alignment of the integer in bits. Return 1 if we were able to output
267 the constant, otherwise 0. If FORCE is nonzero the constant must
268 be outputable. */
269extern bool assemble_integer (rtx, unsigned, unsigned, int);
270
271/* Return section for TEXT_SECITON_NAME if DECL or DECL_SECTION_NAME (DECL)
272 is NULL. */
273extern section *get_named_text_section (tree, const char *, const char *);
274
275/* An interface to assemble_integer for the common case in which a value is
276 fully aligned and must be printed. VALUE is the value of the integer
277 object and SIZE is the number of bytes it contains. */
278#define assemble_aligned_integer(SIZE, VALUE) \
279 assemble_integer (VALUE, SIZE, (SIZE) * BITS_PER_UNIT, 1)
280
281#ifdef REAL_VALUE_TYPE_SIZE
282/* Assemble the floating-point constant D into an object of size MODE. */
283extern void assemble_real (REAL_VALUE_TYPE, machine_mode, unsigned);
284#endif
285
286/* Write the address of the entity given by SYMBOL to SEC. */
287extern void assemble_addr_to_section (rtx, section *);
288
289/* Return the size of the constant pool. */
290extern int get_pool_size (void);
291
292#ifdef HAVE_peephole
293extern rtx_insn *peephole (rtx_insn *);
294#endif
295
296extern void output_shared_constant_pool (void);
297
298extern void output_object_blocks (void);
299
300extern void output_quoted_string (FILE *, const char *);
301
302/* When outputting delayed branch sequences, this rtx holds the
303 sequence being output. It is null when no delayed branch
304 sequence is being output, so it can be used as a test in the
305 insn output code.
306
307 This variable is defined in final.c. */
308extern rtx_sequence *final_sequence;
309
310/* The line number of the beginning of the current function. Various
311 md code needs this so that it can output relative linenumbers. */
312
313#ifdef SDB_DEBUGGING_INFO /* Avoid undef sym in certain broken linkers. */
314extern int sdb_begin_function_line;
315#endif
316
317/* File in which assembler code is being written. */
318
319#ifdef BUFSIZ
320extern FILE *asm_out_file;
321#endif
322
323/* The first global object in the file. */
324extern const char *first_global_object_name;
325
326/* The first weak object in the file. */
327extern const char *weak_global_object_name;
328
329/* Nonnull if the insn currently being emitted was a COND_EXEC pattern. */
330extern rtx current_insn_predicate;
331
332/* Last insn processed by final_scan_insn. */
333extern rtx_insn *current_output_insn;
334
335/* Nonzero while outputting an `asm' with operands.
336 This means that inconsistencies are the user's fault, so don't die.
337 The precise value is the insn being output, to pass to error_for_asm. */
338extern const rtx_insn *this_is_asm_operands;
339
340/* Carry information from ASM_DECLARE_OBJECT_NAME
341 to ASM_FINISH_DECLARE_OBJECT. */
342extern int size_directive_output;
343extern tree last_assemble_variable_decl;
344
345extern bool first_function_block_is_cold;
346
347/* Decide whether DECL needs to be in a writable section.
348 RELOC is the same as for SELECT_SECTION. */
349extern bool decl_readonly_section (const_tree, int);
350
351/* This can be used to compute RELOC for the function above, when
352 given a constant expression. */
353extern int compute_reloc_for_constant (tree);
354
355/* User label prefix in effect for this compilation. */
356extern const char *user_label_prefix;
357
358/* Default target function prologue and epilogue assembler output. */
359extern void default_function_pro_epilogue (FILE *, HOST_WIDE_INT);
360
361/* Default target function switched text sections. */
362extern void default_function_switched_text_sections (FILE *, tree, bool);
363
364/* Default target hook that outputs nothing to a stream. */
365extern void no_asm_to_stream (FILE *);
366
367/* Flags controlling properties of a section. */
368#define SECTION_ENTSIZE 0x000ff /* entity size in section */
369#define SECTION_CODE 0x00100 /* contains code */
370#define SECTION_WRITE 0x00200 /* data is writable */
371#define SECTION_DEBUG 0x00400 /* contains debug data */
372#define SECTION_LINKONCE 0x00800 /* is linkonce */
373#define SECTION_SMALL 0x01000 /* contains "small data" */
374#define SECTION_BSS 0x02000 /* contains zeros only */
375#define SECTION_FORGET 0x04000 /* forget that we've entered the section */
376#define SECTION_MERGE 0x08000 /* contains mergeable data */
377#define SECTION_STRINGS 0x10000 /* contains zero terminated strings without
378 embedded zeros */
379#define SECTION_OVERRIDE 0x20000 /* allow override of default flags */
380#define SECTION_TLS 0x40000 /* contains thread-local storage */
381#define SECTION_NOTYPE 0x80000 /* don't output @progbits */
382#define SECTION_DECLARED 0x100000 /* section has been used */
383#define SECTION_STYLE_MASK 0x600000 /* bits used for SECTION_STYLE */
384#define SECTION_COMMON 0x800000 /* contains common data */
385#define SECTION_RELRO 0x1000000 /* data is readonly after relocation processing */
386#define SECTION_EXCLUDE 0x2000000 /* discarded by the linker */
387#define SECTION_MACH_DEP 0x4000000 /* subsequent bits reserved for target */
388
389/* This SECTION_STYLE is used for unnamed sections that we can switch
390 to using a special assembler directive. */
391#define SECTION_UNNAMED 0x000000
392
393/* This SECTION_STYLE is used for named sections that we can switch
394 to using a general section directive. */
395#define SECTION_NAMED 0x200000
396
397/* This SECTION_STYLE is used for sections that we cannot switch to at
398 all. The choice of section is implied by the directive that we use
399 to declare the object. */
400#define SECTION_NOSWITCH 0x400000
401
402/* A helper function for default_elf_select_section and
403 default_elf_unique_section. Categorizes the DECL. */
404
405enum section_category
406{
407 SECCAT_TEXT,
408
409 SECCAT_RODATA,
410 SECCAT_RODATA_MERGE_STR,
411 SECCAT_RODATA_MERGE_STR_INIT,
412 SECCAT_RODATA_MERGE_CONST,
413 SECCAT_SRODATA,
414
415 SECCAT_DATA,
416
417 /* To optimize loading of shared programs, define following subsections
418 of data section:
419 _REL Contains data that has relocations, so they get grouped
420 together and dynamic linker will visit fewer pages in memory.
421 _RO Contains data that is otherwise read-only. This is useful
422 with prelinking as most relocations won't be dynamically
423 linked and thus stay read only.
424 _LOCAL Marks data containing relocations only to local objects.
425 These relocations will get fully resolved by prelinking. */
426 SECCAT_DATA_REL,
427 SECCAT_DATA_REL_LOCAL,
428 SECCAT_DATA_REL_RO,
429 SECCAT_DATA_REL_RO_LOCAL,
430
431 SECCAT_SDATA,
432 SECCAT_TDATA,
433
434 SECCAT_BSS,
435 SECCAT_SBSS,
436 SECCAT_TBSS
437};
438
439/* Information that is provided by all instances of the section type. */
440struct GTY(()) section_common {
441 /* The set of SECTION_* flags that apply to this section. */
442 unsigned int flags;
443};
444
445/* Information about a SECTION_NAMED section. */
446struct GTY(()) named_section {
447 struct section_common common;
448
449 /* The name of the section. */
450 const char *name;
451
452 /* If nonnull, the VAR_DECL or FUNCTION_DECL with which the
453 section is associated. */
454 tree decl;
455};
456
457/* A callback that writes the assembly code for switching to an unnamed
458 section. The argument provides callback-specific data. */
459typedef void (*unnamed_section_callback) (const void *);
460
461/* Information about a SECTION_UNNAMED section. */
462struct GTY(()) unnamed_section {
463 struct section_common common;
464
465 /* The callback used to switch to the section, and the data that
466 should be passed to the callback. */
467 unnamed_section_callback GTY ((skip)) callback;
468 const void *GTY ((skip)) data;
469
470 /* The next entry in the chain of unnamed sections. */
471 section *next;
472};
473
474/* A callback that writes the assembly code for a decl in a
475 SECTION_NOSWITCH section. DECL is the decl that should be assembled
476 and NAME is the name of its SYMBOL_REF. SIZE is the size of the decl
477 in bytes and ROUNDED is that size rounded up to the next
478 BIGGEST_ALIGNMENT / BITS_PER_UNIT boundary.
479
480 Return true if the callback used DECL_ALIGN to set the object's
481 alignment. A false return value implies that we are relying
482 on the rounded size to align the decl. */
483typedef bool (*noswitch_section_callback) (tree decl, const char *name,
484 unsigned HOST_WIDE_INT size,
485 unsigned HOST_WIDE_INT rounded);
486
487/* Information about a SECTION_NOSWITCH section. */
488struct GTY(()) noswitch_section {
489 struct section_common common;
490
491 /* The callback used to assemble decls in this section. */
492 noswitch_section_callback GTY ((skip)) callback;
493};
494
495/* Information about a section, which may be named or unnamed. */
496union GTY ((desc ("SECTION_STYLE (&(%h))"), for_user)) section {
497 struct section_common GTY ((skip)) common;
498 struct named_section GTY ((tag ("SECTION_NAMED"))) named;
499 struct unnamed_section GTY ((tag ("SECTION_UNNAMED"))) unnamed;
500 struct noswitch_section GTY ((tag ("SECTION_NOSWITCH"))) noswitch;
501};
502
503/* Return the style of section SECT. */
504#define SECTION_STYLE(SECT) ((SECT)->common.flags & SECTION_STYLE_MASK)
505
506struct object_block;
507
508/* Special well-known sections. */
509extern GTY(()) section *text_section;
510extern GTY(()) section *data_section;
511extern GTY(()) section *readonly_data_section;
512extern GTY(()) section *sdata_section;
513extern GTY(()) section *ctors_section;
514extern GTY(()) section *dtors_section;
515extern GTY(()) section *bss_section;
516extern GTY(()) section *sbss_section;
517extern GTY(()) section *exception_section;
518extern GTY(()) section *eh_frame_section;
519extern GTY(()) section *tls_comm_section;
520extern GTY(()) section *comm_section;
521extern GTY(()) section *lcomm_section;
522extern GTY(()) section *bss_noswitch_section;
523
524extern GTY(()) section *in_section;
525extern GTY(()) bool in_cold_section_p;
526
527extern section *get_unnamed_section (unsigned int, void (*) (const void *),
528 const void *);
529extern section *get_section (const char *, unsigned int, tree);
530extern section *get_named_section (tree, const char *, int);
531extern section *get_variable_section (tree, bool);
532extern void place_block_symbol (rtx);
533extern rtx get_section_anchor (struct object_block *, HOST_WIDE_INT,
534 enum tls_model);
535extern section *mergeable_constant_section (machine_mode,
536 unsigned HOST_WIDE_INT,
537 unsigned int);
538extern section *function_section (tree);
539extern section *unlikely_text_section (void);
540extern section *current_function_section (void);
541
542/* Return the numbered .ctors.N (if CONSTRUCTOR_P) or .dtors.N (if
543 not) section for PRIORITY. */
544extern section *get_cdtor_priority_section (int, bool);
545
546extern bool unlikely_text_section_p (section *);
547extern void switch_to_section (section *);
548extern void output_section_asm_op (const void *);
549
550extern void record_tm_clone_pair (tree, tree);
551extern void finish_tm_clone_pairs (void);
552extern tree get_tm_clone_pair (tree);
553
554extern void default_asm_output_source_filename (FILE *, const char *);
555extern void output_file_directive (FILE *, const char *);
556
557extern unsigned int default_section_type_flags (tree, const char *, int);
558
559extern bool have_global_bss_p (void);
560extern bool bss_initializer_p (const_tree);
561
562extern void default_no_named_section (const char *, unsigned int, tree);
563extern void default_elf_asm_named_section (const char *, unsigned int, tree);
564extern enum section_category categorize_decl_for_section (const_tree, int);
565extern void default_coff_asm_named_section (const char *, unsigned int, tree);
566extern void default_pe_asm_named_section (const char *, unsigned int, tree);
567
568extern void default_named_section_asm_out_destructor (rtx, int);
569extern void default_dtor_section_asm_out_destructor (rtx, int);
570extern void default_named_section_asm_out_constructor (rtx, int);
571extern void default_ctor_section_asm_out_constructor (rtx, int);
572
573extern section *default_select_section (tree, int, unsigned HOST_WIDE_INT);
574extern section *default_elf_select_section (tree, int, unsigned HOST_WIDE_INT);
575extern void default_unique_section (tree, int);
576extern section *default_function_rodata_section (tree);
577extern section *default_no_function_rodata_section (tree);
578extern section *default_clone_table_section (void);
579extern section *default_select_rtx_section (machine_mode, rtx,
580 unsigned HOST_WIDE_INT);
581extern section *default_elf_select_rtx_section (machine_mode, rtx,
582 unsigned HOST_WIDE_INT);
583extern void default_encode_section_info (tree, rtx, int);
584extern const char *default_strip_name_encoding (const char *);
585extern void default_asm_output_anchor (rtx);
586extern bool default_use_anchors_for_symbol_p (const_rtx);
587extern bool default_binds_local_p (const_tree);
588extern bool default_binds_local_p_1 (const_tree, int);
81e26c3d 589extern bool default_binds_local_p_2 (const_tree);
3d987775 590extern bool default_binds_local_p_3 (const_tree, bool, bool, bool, bool);
dda118e3
JM
591extern void default_globalize_label (FILE *, const char *);
592extern void default_globalize_decl_name (FILE *, tree);
593extern void default_emit_unwind_label (FILE *, tree, int, int);
594extern void default_emit_except_table_label (FILE *);
595extern void default_generate_internal_label (char *, const char *,
596 unsigned long);
597extern void default_internal_label (FILE *, const char *, unsigned long);
598extern void default_asm_declare_constant_name (FILE *, const char *,
599 const_tree, HOST_WIDE_INT);
600extern void default_file_start (void);
601extern void file_end_indicate_exec_stack (void);
602extern void file_end_indicate_split_stack (void);
603
604extern void default_elf_asm_output_external (FILE *file, tree,
605 const char *);
606extern void default_elf_asm_output_limited_string (FILE *, const char *);
607extern void default_elf_asm_output_ascii (FILE *, const char *, unsigned int);
608extern void default_elf_internal_label (FILE *, const char *, unsigned long);
609
610extern void default_elf_init_array_asm_out_constructor (rtx, int);
611extern void default_elf_fini_array_asm_out_destructor (rtx, int);
612extern int maybe_assemble_visibility (tree);
613
614extern int default_address_cost (rtx, machine_mode, addr_space_t, bool);
615
616/* Output stack usage information. */
617extern void output_stack_usage (void);
618
619#endif /* ! GCC_OUTPUT_H */