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) 1987-2017 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 with access mode MODE
112 using machine-dependent assembler syntax. */
113extern void output_address (machine_mode, 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/* Assemble the floating-point constant D into an object of size MODE. ALIGN
282 is the alignment of the constant in bits. If REVERSE is true, D is output
283 in reverse storage order. */
284extern void assemble_real (REAL_VALUE_TYPE, scalar_float_mode, unsigned,
285 bool = false);
286
287/* Write the address of the entity given by SYMBOL to SEC. */
288extern void assemble_addr_to_section (rtx, section *);
289
290/* Return TRUE if and only if the constant pool has no entries. Note
291 that even entries we might end up choosing not to emit are counted
292 here, so there is the potential for missed optimizations. */
293extern bool constant_pool_empty_p (void);
294
295extern rtx_insn *peephole (rtx_insn *);
296
297extern void output_shared_constant_pool (void);
298
299extern void output_object_blocks (void);
300
301extern void output_quoted_string (FILE *, const char *);
302
303/* When outputting delayed branch sequences, this rtx holds the
304 sequence being output. It is null when no delayed branch
305 sequence is being output, so it can be used as a test in the
306 insn output code.
307
308 This variable is defined in final.c. */
309extern rtx_sequence *final_sequence;
310
311/* File in which assembler code is being written. */
312
313#ifdef BUFSIZ
314extern FILE *asm_out_file;
315#endif
316
317/* The first global object in the file. */
318extern const char *first_global_object_name;
319
320/* The first weak object in the file. */
321extern const char *weak_global_object_name;
322
323/* Nonnull if the insn currently being emitted was a COND_EXEC pattern. */
324extern rtx current_insn_predicate;
325
326/* Last insn processed by final_scan_insn. */
327extern rtx_insn *current_output_insn;
328
329/* Nonzero while outputting an `asm' with operands.
330 This means that inconsistencies are the user's fault, so don't die.
331 The precise value is the insn being output, to pass to error_for_asm. */
332extern const rtx_insn *this_is_asm_operands;
333
334/* Carry information from ASM_DECLARE_OBJECT_NAME
335 to ASM_FINISH_DECLARE_OBJECT. */
336extern int size_directive_output;
337extern tree last_assemble_variable_decl;
338
339extern bool first_function_block_is_cold;
340
341/* Decide whether DECL needs to be in a writable section.
342 RELOC is the same as for SELECT_SECTION. */
343extern bool decl_readonly_section (const_tree, int);
344
345/* This can be used to compute RELOC for the function above, when
346 given a constant expression. */
347extern int compute_reloc_for_constant (tree);
348
349/* User label prefix in effect for this compilation. */
350extern const char *user_label_prefix;
351
352/* Default target function prologue and epilogue assembler output. */
353extern void default_function_pro_epilogue (FILE *);
354
355/* Default target function switched text sections. */
356extern void default_function_switched_text_sections (FILE *, tree, bool);
357
358/* Default target hook that outputs nothing to a stream. */
359extern void no_asm_to_stream (FILE *);
360
361/* Flags controlling properties of a section. */
362#define SECTION_ENTSIZE 0x000ff /* entity size in section */
363#define SECTION_CODE 0x00100 /* contains code */
364#define SECTION_WRITE 0x00200 /* data is writable */
365#define SECTION_DEBUG 0x00400 /* contains debug data */
366#define SECTION_LINKONCE 0x00800 /* is linkonce */
367#define SECTION_SMALL 0x01000 /* contains "small data" */
368#define SECTION_BSS 0x02000 /* contains zeros only */
369#define SECTION_FORGET 0x04000 /* forget that we've entered the section */
370#define SECTION_MERGE 0x08000 /* contains mergeable data */
371#define SECTION_STRINGS 0x10000 /* contains zero terminated strings without
372 embedded zeros */
373#define SECTION_OVERRIDE 0x20000 /* allow override of default flags */
374#define SECTION_TLS 0x40000 /* contains thread-local storage */
375#define SECTION_NOTYPE 0x80000 /* don't output @progbits */
376#define SECTION_DECLARED 0x100000 /* section has been used */
377#define SECTION_STYLE_MASK 0x600000 /* bits used for SECTION_STYLE */
378#define SECTION_COMMON 0x800000 /* contains common data */
379#define SECTION_RELRO 0x1000000 /* data is readonly after relocation processing */
380#define SECTION_EXCLUDE 0x2000000 /* discarded by the linker */
381#define SECTION_MACH_DEP 0x4000000 /* subsequent bits reserved for target */
382
383/* This SECTION_STYLE is used for unnamed sections that we can switch
384 to using a special assembler directive. */
385#define SECTION_UNNAMED 0x000000
386
387/* This SECTION_STYLE is used for named sections that we can switch
388 to using a general section directive. */
389#define SECTION_NAMED 0x200000
390
391/* This SECTION_STYLE is used for sections that we cannot switch to at
392 all. The choice of section is implied by the directive that we use
393 to declare the object. */
394#define SECTION_NOSWITCH 0x400000
395
396/* A helper function for default_elf_select_section and
397 default_elf_unique_section. Categorizes the DECL. */
398
399enum section_category
400{
401 SECCAT_TEXT,
402
403 SECCAT_RODATA,
404 SECCAT_RODATA_MERGE_STR,
405 SECCAT_RODATA_MERGE_STR_INIT,
406 SECCAT_RODATA_MERGE_CONST,
407 SECCAT_SRODATA,
408
409 SECCAT_DATA,
410
411 /* To optimize loading of shared programs, define following subsections
412 of data section:
413 _REL Contains data that has relocations, so they get grouped
414 together and dynamic linker will visit fewer pages in memory.
415 _RO Contains data that is otherwise read-only. This is useful
416 with prelinking as most relocations won't be dynamically
417 linked and thus stay read only.
418 _LOCAL Marks data containing relocations only to local objects.
419 These relocations will get fully resolved by prelinking. */
420 SECCAT_DATA_REL,
421 SECCAT_DATA_REL_LOCAL,
422 SECCAT_DATA_REL_RO,
423 SECCAT_DATA_REL_RO_LOCAL,
424
425 SECCAT_SDATA,
426 SECCAT_TDATA,
427
428 SECCAT_BSS,
429 SECCAT_SBSS,
430 SECCAT_TBSS
431};
432
433/* Information that is provided by all instances of the section type. */
434struct GTY(()) section_common {
435 /* The set of SECTION_* flags that apply to this section. */
436 unsigned int flags;
437};
438
439/* Information about a SECTION_NAMED section. */
440struct GTY(()) named_section {
441 struct section_common common;
442
443 /* The name of the section. */
444 const char *name;
445
446 /* If nonnull, the VAR_DECL or FUNCTION_DECL with which the
447 section is associated. */
448 tree decl;
449};
450
451/* A callback that writes the assembly code for switching to an unnamed
452 section. The argument provides callback-specific data. */
453typedef void (*unnamed_section_callback) (const void *);
454
455/* Information about a SECTION_UNNAMED section. */
456struct GTY(()) unnamed_section {
457 struct section_common common;
458
459 /* The callback used to switch to the section, and the data that
460 should be passed to the callback. */
461 unnamed_section_callback GTY ((skip)) callback;
462 const void *GTY ((skip)) data;
463
464 /* The next entry in the chain of unnamed sections. */
465 section *next;
466};
467
468/* A callback that writes the assembly code for a decl in a
469 SECTION_NOSWITCH section. DECL is the decl that should be assembled
470 and NAME is the name of its SYMBOL_REF. SIZE is the size of the decl
471 in bytes and ROUNDED is that size rounded up to the next
472 BIGGEST_ALIGNMENT / BITS_PER_UNIT boundary.
473
474 Return true if the callback used DECL_ALIGN to set the object's
475 alignment. A false return value implies that we are relying
476 on the rounded size to align the decl. */
477typedef bool (*noswitch_section_callback) (tree decl, const char *name,
478 unsigned HOST_WIDE_INT size,
479 unsigned HOST_WIDE_INT rounded);
480
481/* Information about a SECTION_NOSWITCH section. */
482struct GTY(()) noswitch_section {
483 struct section_common common;
484
485 /* The callback used to assemble decls in this section. */
486 noswitch_section_callback GTY ((skip)) callback;
487};
488
489/* Information about a section, which may be named or unnamed. */
490union GTY ((desc ("SECTION_STYLE (&(%h))"), for_user)) section {
491 struct section_common GTY ((skip)) common;
492 struct named_section GTY ((tag ("SECTION_NAMED"))) named;
493 struct unnamed_section GTY ((tag ("SECTION_UNNAMED"))) unnamed;
494 struct noswitch_section GTY ((tag ("SECTION_NOSWITCH"))) noswitch;
495};
496
497/* Return the style of section SECT. */
498#define SECTION_STYLE(SECT) ((SECT)->common.flags & SECTION_STYLE_MASK)
499
500struct object_block;
501
502/* Special well-known sections. */
503extern GTY(()) section *text_section;
504extern GTY(()) section *data_section;
505extern GTY(()) section *readonly_data_section;
506extern GTY(()) section *sdata_section;
507extern GTY(()) section *ctors_section;
508extern GTY(()) section *dtors_section;
509extern GTY(()) section *bss_section;
510extern GTY(()) section *sbss_section;
511extern GTY(()) section *exception_section;
512extern GTY(()) section *eh_frame_section;
513extern GTY(()) section *tls_comm_section;
514extern GTY(()) section *comm_section;
515extern GTY(()) section *lcomm_section;
516extern GTY(()) section *bss_noswitch_section;
517
518extern GTY(()) section *in_section;
519extern GTY(()) bool in_cold_section_p;
520
521extern section *get_unnamed_section (unsigned int, void (*) (const void *),
522 const void *);
523extern section *get_section (const char *, unsigned int, tree);
524extern section *get_named_section (tree, const char *, int);
525extern section *get_variable_section (tree, bool);
526extern void place_block_symbol (rtx);
527extern rtx get_section_anchor (struct object_block *, HOST_WIDE_INT,
528 enum tls_model);
529extern section *mergeable_constant_section (machine_mode,
530 unsigned HOST_WIDE_INT,
531 unsigned int);
532extern section *function_section (tree);
533extern section *unlikely_text_section (void);
534extern section *current_function_section (void);
535extern void switch_to_other_text_partition (void);
536
537/* Return the numbered .ctors.N (if CONSTRUCTOR_P) or .dtors.N (if
538 not) section for PRIORITY. */
539extern section *get_cdtor_priority_section (int, bool);
540
541extern bool unlikely_text_section_p (section *);
542extern void switch_to_section (section *);
543extern void output_section_asm_op (const void *);
544
545extern void record_tm_clone_pair (tree, tree);
546extern void finish_tm_clone_pairs (void);
547extern tree get_tm_clone_pair (tree);
548
549extern void default_asm_output_source_filename (FILE *, const char *);
550extern void output_file_directive (FILE *, const char *);
551
552extern unsigned int default_section_type_flags (tree, const char *, int);
553
554extern bool have_global_bss_p (void);
555extern bool bss_initializer_p (const_tree);
556
557extern void default_no_named_section (const char *, unsigned int, tree);
558extern void default_elf_asm_named_section (const char *, unsigned int, tree);
559extern enum section_category categorize_decl_for_section (const_tree, int);
560extern void default_coff_asm_named_section (const char *, unsigned int, tree);
561extern void default_pe_asm_named_section (const char *, unsigned int, tree);
562
563extern void default_named_section_asm_out_destructor (rtx, int);
564extern void default_dtor_section_asm_out_destructor (rtx, int);
565extern void default_named_section_asm_out_constructor (rtx, int);
566extern void default_ctor_section_asm_out_constructor (rtx, int);
567
568extern section *default_select_section (tree, int, unsigned HOST_WIDE_INT);
569extern section *default_elf_select_section (tree, int, unsigned HOST_WIDE_INT);
570extern void default_unique_section (tree, int);
571extern section *default_function_rodata_section (tree);
572extern section *default_no_function_rodata_section (tree);
573extern section *default_clone_table_section (void);
574extern section *default_select_rtx_section (machine_mode, rtx,
575 unsigned HOST_WIDE_INT);
576extern section *default_elf_select_rtx_section (machine_mode, rtx,
577 unsigned HOST_WIDE_INT);
578extern void default_encode_section_info (tree, rtx, int);
579extern const char *default_strip_name_encoding (const char *);
580extern void default_asm_output_anchor (rtx);
581extern bool default_use_anchors_for_symbol_p (const_rtx);
582extern bool default_binds_local_p (const_tree);
583extern bool default_binds_local_p_1 (const_tree, int);
584extern bool default_binds_local_p_2 (const_tree);
585extern bool default_binds_local_p_3 (const_tree, bool, bool, bool, bool);
586extern void default_globalize_label (FILE *, const char *);
587extern void default_globalize_decl_name (FILE *, tree);
588extern void default_emit_unwind_label (FILE *, tree, int, int);
589extern void default_emit_except_table_label (FILE *);
590extern void default_generate_internal_label (char *, const char *,
591 unsigned long);
592extern void default_internal_label (FILE *, const char *, unsigned long);
593extern void default_asm_declare_constant_name (FILE *, const char *,
594 const_tree, HOST_WIDE_INT);
595extern void default_file_start (void);
596extern void file_end_indicate_exec_stack (void);
597extern void file_end_indicate_split_stack (void);
598
599extern void default_elf_asm_output_external (FILE *file, tree,
600 const char *);
601extern void default_elf_asm_output_limited_string (FILE *, const char *);
602extern void default_elf_asm_output_ascii (FILE *, const char *, unsigned int);
603extern void default_elf_internal_label (FILE *, const char *, unsigned long);
604
605extern void default_elf_init_array_asm_out_constructor (rtx, int);
606extern void default_elf_fini_array_asm_out_destructor (rtx, int);
607extern int maybe_assemble_visibility (tree);
608
609extern int default_address_cost (rtx, machine_mode, addr_space_t, bool);
610
611/* Output stack usage information. */
612extern void output_stack_usage (void);
613
614#endif /* ! GCC_OUTPUT_H */
615