Pass name cleanups
[official-gcc.git] / gcc / output.h
blobc668d35211249b6407418dc683693e4253418188
1 /* Declarations for insn-output.c. These functions are defined in recog.c,
2 final.c, and varasm.c.
3 Copyright (C) 1987, 1991, 1994, 1997, 1998, 1999, 2000, 2001, 2002,
4 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
5 Free Software Foundation, Inc.
7 This file is part of GCC.
9 GCC is free software; you can redistribute it and/or modify it under
10 the terms of the GNU General Public License as published by the Free
11 Software Foundation; either version 3, or (at your option) any later
12 version.
14 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
15 WARRANTY; without even the implied warranty of MERCHANTABILITY or
16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 for more details.
19 You should have received a copy of the GNU General Public License
20 along with GCC; see the file COPYING3. If not see
21 <http://www.gnu.org/licenses/>. */
23 #ifndef GCC_OUTPUT_H
24 #define GCC_OUTPUT_H
26 /* Initialize data in final at the beginning of a compilation. */
27 extern void init_final (const char *);
29 /* Enable APP processing of subsequent output.
30 Used before the output from an `asm' statement. */
31 extern void app_enable (void);
33 /* Disable APP processing of subsequent output.
34 Called from varasm.c before most kinds of output. */
35 extern void app_disable (void);
37 /* Return the number of slots filled in the current
38 delayed branch sequence (we don't count the insn needing the
39 delay slot). Zero if not in a delayed branch sequence. */
40 extern int dbr_sequence_length (void);
42 /* Indicate that branch shortening hasn't yet been done. */
43 extern void init_insn_lengths (void);
45 /* Obtain the current length of an insn. If branch shortening has been done,
46 get its actual length. Otherwise, get its maximum length. */
47 extern int get_attr_length (rtx);
49 /* Obtain the current length of an insn. If branch shortening has been done,
50 get its actual length. Otherwise, get its minimum length. */
51 extern int get_attr_min_length (rtx);
53 /* Make a pass over all insns and compute their actual lengths by shortening
54 any branches of variable length if possible. */
55 extern void shorten_branches (rtx);
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'. */
62 extern void final_start_function (rtx, FILE *, int);
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. */
67 extern void final_end_function (void);
69 /* Output assembler code for some insns: all or part of a function. */
70 extern void final (rtx, FILE *, int);
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. */
75 extern rtx final_scan_insn (rtx, FILE *, int, int, int *);
77 /* Replace a SUBREG with a REG or a MEM, based on the thing it is a
78 subreg of. */
79 extern rtx alter_subreg (rtx *);
81 /* Print an operand using machine-dependent assembler syntax. */
82 extern void output_operand (rtx, int);
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. */
86 extern void output_operand_lossage (const char *, ...) ATTRIBUTE_PRINTF_1;
88 /* Output a string of assembler code, substituting insn operands.
89 Defined in final.c. */
90 extern void output_asm_insn (const char *, rtx *);
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. */
95 extern int insn_current_reference_address (rtx);
97 /* Find the alignment associated with a CODE_LABEL.
98 Defined in final.c. */
99 extern int label_to_alignment (rtx);
101 /* Find the alignment maximum skip associated with a CODE_LABEL.
102 Defined in final.c. */
103 extern int label_to_max_skip (rtx);
105 /* Output a LABEL_REF, or a bare CODE_LABEL, as an assembler symbol. */
106 extern void output_asm_label (rtx);
108 /* Marks SYMBOL_REFs in x as referenced through use of assemble_external. */
109 extern void mark_symbol_refs_as_used (rtx);
111 /* Print a memory reference operand for address X
112 using machine-dependent assembler syntax. */
113 extern void output_address (rtx);
115 /* Print an integer constant expression in assembler syntax.
116 Addition and subtraction are the only arithmetic
117 that may appear in these expressions. */
118 extern void output_addr_const (FILE *, rtx);
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 /* This is a magic identifier which allows GCC to figure out the type
125 of HOST_WIDE_INT for %wd specifier checks. You must issue this
126 typedef before using the __asm_fprintf__ format attribute. */
127 typedef HOST_WIDE_INT __gcc_host_wide_int__;
128 #else
129 #define ATTRIBUTE_ASM_FPRINTF(m, n) ATTRIBUTE_NONNULL(m)
130 #endif
132 extern void asm_fprintf (FILE *file, const char *p, ...)
133 ATTRIBUTE_ASM_FPRINTF(2, 3);
135 /* Split up a CONST_DOUBLE or integer constant rtx into two rtx's for single
136 words. */
137 extern void split_double (rtx, rtx *, rtx *);
139 /* Return nonzero if this function has no function calls. */
140 extern int leaf_function_p (void);
142 /* Return 1 if branch is a forward branch.
143 Uses insn_shuid array, so it works only in the final pass. May be used by
144 output templates to add branch prediction hints, for example. */
145 extern int final_forward_branch_p (rtx);
147 /* Return 1 if this function uses only the registers that can be
148 safely renumbered. */
149 extern int only_leaf_regs_used (void);
151 /* Scan IN_RTX and its subexpressions, and renumber all regs into those
152 available in leaf functions. */
153 extern void leaf_renumber_regs_insn (rtx);
155 /* Locate the proper template for the given insn-code. */
156 extern const char *get_insn_template (int, rtx);
158 /* Functions in varasm.c. */
160 /* Declare DECL to be a weak symbol. */
161 extern void declare_weak (tree);
162 /* Merge weak status. */
163 extern void merge_weak (tree, tree);
165 /* Emit any pending weak declarations. */
166 extern void weak_finish (void);
168 /* Return the default TLS model for a given variable. */
169 extern enum tls_model decl_default_tls_model (const_tree);
171 /* Decode an `asm' spec for a declaration as a register name.
172 Return the register number, or -1 if nothing specified,
173 or -2 if the ASMSPEC is not `cc' or `memory' and is not recognized,
174 or -3 if ASMSPEC is `cc' and is not recognized,
175 or -4 if ASMSPEC is `memory' and is not recognized.
176 Accept an exact spelling or a decimal number.
177 Prefixes such as % are optional. */
178 extern int decode_reg_name (const char *);
180 /* Similar to decode_reg_name, but takes an extra parameter that is a
181 pointer to the number of (internal) registers described by the
182 external name. */
183 extern int decode_reg_name_and_count (const char *, int *);
185 extern void assemble_alias (tree, tree);
187 extern void default_assemble_visibility (tree, int);
189 /* Output a string of literal assembler code
190 for an `asm' keyword used between functions. */
191 extern void assemble_asm (tree);
193 /* Output assembler code for the constant pool of a function and associated
194 with defining the name of the function. DECL describes the function.
195 NAME is the function's name. For the constant pool, we use the current
196 constant pool data. */
197 extern void assemble_start_function (tree, const char *);
199 /* Output assembler code associated with defining the size of the
200 function. DECL describes the function. NAME is the function's name. */
201 extern void assemble_end_function (tree, const char *);
203 /* Assemble everything that is needed for a variable or function declaration.
204 Not used for automatic variables, and not used for function definitions.
205 Should not be called for variables of incomplete structure type.
207 TOP_LEVEL is nonzero if this variable has file scope.
208 AT_END is nonzero if this is the special handling, at end of compilation,
209 to define things that have had only tentative definitions.
210 DONT_OUTPUT_DATA if nonzero means don't actually output the
211 initial value (that will be done by the caller). */
212 extern void assemble_variable (tree, int, int, int);
214 /* Compute the alignment of variable specified by DECL.
215 DONT_OUTPUT_DATA is from assemble_variable. */
216 extern void align_variable (tree decl, bool dont_output_data);
218 /* Queue for outputting something to declare an external symbol to the
219 assembler. (Most assemblers don't need this, so we normally output
220 nothing.) Do nothing if DECL is not external. */
221 extern void assemble_external (tree);
223 /* Assemble code to leave SIZE bytes of zeros. */
224 extern void assemble_zeros (unsigned HOST_WIDE_INT);
226 /* Assemble an alignment pseudo op for an ALIGN-bit boundary. */
227 extern void assemble_align (int);
229 /* Assemble a string constant with the specified C string as contents. */
230 extern void assemble_string (const char *, int);
232 /* Similar, for calling a library function FUN. */
233 extern void assemble_external_libcall (rtx);
235 /* Assemble a label named NAME. */
236 extern void assemble_label (FILE *, const char *);
238 /* Output to FILE (an assembly file) a reference to NAME. If NAME
239 starts with a *, the rest of NAME is output verbatim. Otherwise
240 NAME is transformed in a target-specific way (usually by the
241 addition of an underscore). */
242 extern void assemble_name_raw (FILE *, const char *);
244 /* Like assemble_name_raw, but should be used when NAME might refer to
245 an entity that is also represented as a tree (like a function or
246 variable). If NAME does refer to such an entity, that entity will
247 be marked as referenced. */
248 extern void assemble_name (FILE *, const char *);
250 /* Return the assembler directive for creating a given kind of integer
251 object. SIZE is the number of bytes in the object and ALIGNED_P
252 indicates whether it is known to be aligned. Return NULL if the
253 assembly dialect has no such directive.
255 The returned string should be printed at the start of a new line and
256 be followed immediately by the object's initial value. */
257 extern const char *integer_asm_op (int, int);
259 /* Use directive OP to assemble an integer object X. Print OP at the
260 start of the line, followed immediately by the value of X. */
261 extern void assemble_integer_with_op (const char *, rtx);
263 /* The default implementation of the asm_out.integer target hook. */
264 extern bool default_assemble_integer (rtx, unsigned int, int);
266 /* Assemble the integer constant X into an object of SIZE bytes. ALIGN is
267 the alignment of the integer in bits. Return 1 if we were able to output
268 the constant, otherwise 0. If FORCE is nonzero the constant must
269 be outputable. */
270 extern bool assemble_integer (rtx, unsigned, unsigned, int);
272 /* Return section for TEXT_SECITON_NAME if DECL or DECL_SECTION_NAME (DECL)
273 is NULL. */
274 extern section *get_named_text_section (tree, const char *, const char *);
276 /* An interface to assemble_integer for the common case in which a value is
277 fully aligned and must be printed. VALUE is the value of the integer
278 object and SIZE is the number of bytes it contains. */
279 #define assemble_aligned_integer(SIZE, VALUE) \
280 assemble_integer (VALUE, SIZE, (SIZE) * BITS_PER_UNIT, 1)
282 #ifdef REAL_VALUE_TYPE_SIZE
283 /* Assemble the floating-point constant D into an object of size MODE. */
284 extern void assemble_real (REAL_VALUE_TYPE, enum machine_mode, unsigned);
285 #endif
287 /* Write the address of the entity given by SYMBOL to SEC. */
288 extern void assemble_addr_to_section (rtx, section *);
290 /* Return the size of the constant pool. */
291 extern int get_pool_size (void);
293 #ifdef HAVE_peephole
294 extern rtx peephole (rtx);
295 #endif
297 extern void output_shared_constant_pool (void);
299 extern void output_object_blocks (void);
301 extern void output_quoted_string (FILE *, const char *);
303 /* Whether a constructor CTOR is a valid static constant initializer if all
304 its elements are. This used to be internal to initializer_constant_valid_p
305 and has been exposed to let other functions like categorize_ctor_elements
306 evaluate the property while walking a constructor for other purposes. */
308 extern bool constructor_static_from_elts_p (const_tree);
310 /* Return nonzero if VALUE is a valid constant-valued expression
311 for use in initializing a static variable; one that can be an
312 element of a "constant" initializer.
314 Return null_pointer_node if the value is absolute;
315 if it is relocatable, return the variable that determines the relocation.
316 We assume that VALUE has been folded as much as possible;
317 therefore, we do not need to check for such things as
318 arithmetic-combinations of integers. */
319 extern tree initializer_constant_valid_p (tree, tree);
321 /* Return true if VALUE is a valid constant-valued expression
322 for use in initializing a static bit-field; one that can be
323 an element of a "constant" initializer. */
324 extern bool initializer_constant_valid_for_bitfield_p (tree);
326 /* Output assembler code for constant EXP to FILE, with no label.
327 This includes the pseudo-op such as ".int" or ".byte", and a newline.
328 Assumes output_addressed_constants has been done on EXP already.
330 Generate exactly SIZE bytes of assembler data, padding at the end
331 with zeros if necessary. SIZE must always be specified.
333 ALIGN is the alignment in bits that may be assumed for the data. */
334 extern void output_constant (tree, unsigned HOST_WIDE_INT, unsigned int);
336 /* When outputting delayed branch sequences, this rtx holds the
337 sequence being output. It is null when no delayed branch
338 sequence is being output, so it can be used as a test in the
339 insn output code.
341 This variable is defined in final.c. */
342 extern rtx final_sequence;
344 /* The line number of the beginning of the current function. Various
345 md code needs this so that it can output relative linenumbers. */
347 #ifdef SDB_DEBUGGING_INFO /* Avoid undef sym in certain broken linkers. */
348 extern int sdb_begin_function_line;
349 #endif
351 /* File in which assembler code is being written. */
353 #ifdef BUFSIZ
354 extern FILE *asm_out_file;
355 #endif
357 /* The first global object in the file. */
358 extern const char *first_global_object_name;
360 /* The first weak object in the file. */
361 extern const char *weak_global_object_name;
363 /* Nonzero if function being compiled doesn't contain any calls
364 (ignoring the prologue and epilogue). This is set prior to
365 local register allocation and is valid for the remaining
366 compiler passes. */
368 extern int current_function_is_leaf;
370 /* Nonzero if function being compiled doesn't modify the stack pointer
371 (ignoring the prologue and epilogue). This is only valid after
372 pass_stack_ptr_mod has run. */
374 extern int current_function_sp_is_unchanging;
376 /* Nonzero if the function being compiled is a leaf function which only
377 uses leaf registers. This is valid after reload (specifically after
378 sched2) and is useful only if the port defines LEAF_REGISTERS. */
380 extern int current_function_uses_only_leaf_regs;
382 /* Default file in which to dump debug output. */
384 #ifdef BUFSIZ
385 extern FILE *dump_file;
386 #endif
388 /* Nonnull if the insn currently being emitted was a COND_EXEC pattern. */
389 extern rtx current_insn_predicate;
391 /* Last insn processed by final_scan_insn. */
392 extern rtx current_output_insn;
394 /* Nonzero while outputting an `asm' with operands.
395 This means that inconsistencies are the user's fault, so don't die.
396 The precise value is the insn being output, to pass to error_for_asm. */
397 extern rtx this_is_asm_operands;
399 /* Carry information from ASM_DECLARE_OBJECT_NAME
400 to ASM_FINISH_DECLARE_OBJECT. */
401 extern int size_directive_output;
402 extern tree last_assemble_variable_decl;
404 extern bool first_function_block_is_cold;
406 /* Decide whether DECL needs to be in a writable section.
407 RELOC is the same as for SELECT_SECTION. */
408 extern bool decl_readonly_section (const_tree, int);
410 /* This can be used to compute RELOC for the function above, when
411 given a constant expression. */
412 extern int compute_reloc_for_constant (tree);
414 /* User label prefix in effect for this compilation. */
415 extern const char *user_label_prefix;
417 /* Default target function prologue and epilogue assembler output. */
418 extern void default_function_pro_epilogue (FILE *, HOST_WIDE_INT);
420 /* Default target function switched text sections. */
421 extern void default_function_switched_text_sections (FILE *, tree, bool);
423 /* Default target hook that outputs nothing to a stream. */
424 extern void no_asm_to_stream (FILE *);
426 /* Flags controlling properties of a section. */
427 #define SECTION_ENTSIZE 0x000ff /* entity size in section */
428 #define SECTION_CODE 0x00100 /* contains code */
429 #define SECTION_WRITE 0x00200 /* data is writable */
430 #define SECTION_DEBUG 0x00400 /* contains debug data */
431 #define SECTION_LINKONCE 0x00800 /* is linkonce */
432 #define SECTION_SMALL 0x01000 /* contains "small data" */
433 #define SECTION_BSS 0x02000 /* contains zeros only */
434 #define SECTION_FORGET 0x04000 /* forget that we've entered the section */
435 #define SECTION_MERGE 0x08000 /* contains mergeable data */
436 #define SECTION_STRINGS 0x10000 /* contains zero terminated strings without
437 embedded zeros */
438 #define SECTION_OVERRIDE 0x20000 /* allow override of default flags */
439 #define SECTION_TLS 0x40000 /* contains thread-local storage */
440 #define SECTION_NOTYPE 0x80000 /* don't output @progbits */
441 #define SECTION_DECLARED 0x100000 /* section has been used */
442 #define SECTION_STYLE_MASK 0x600000 /* bits used for SECTION_STYLE */
443 #define SECTION_COMMON 0x800000 /* contains common data */
444 #define SECTION_RELRO 0x1000000 /* data is readonly after relocation processing */
445 #define SECTION_MACH_DEP 0x2000000 /* subsequent bits reserved for target */
447 /* This SECTION_STYLE is used for unnamed sections that we can switch
448 to using a special assembler directive. */
449 #define SECTION_UNNAMED 0x000000
451 /* This SECTION_STYLE is used for named sections that we can switch
452 to using a general section directive. */
453 #define SECTION_NAMED 0x200000
455 /* This SECTION_STYLE is used for sections that we cannot switch to at
456 all. The choice of section is implied by the directive that we use
457 to declare the object. */
458 #define SECTION_NOSWITCH 0x400000
460 /* A helper function for default_elf_select_section and
461 default_elf_unique_section. Categorizes the DECL. */
463 enum section_category
465 SECCAT_TEXT,
467 SECCAT_RODATA,
468 SECCAT_RODATA_MERGE_STR,
469 SECCAT_RODATA_MERGE_STR_INIT,
470 SECCAT_RODATA_MERGE_CONST,
471 SECCAT_SRODATA,
473 SECCAT_DATA,
475 /* To optimize loading of shared programs, define following subsections
476 of data section:
477 _REL Contains data that has relocations, so they get grouped
478 together and dynamic linker will visit fewer pages in memory.
479 _RO Contains data that is otherwise read-only. This is useful
480 with prelinking as most relocations won't be dynamically
481 linked and thus stay read only.
482 _LOCAL Marks data containing relocations only to local objects.
483 These relocations will get fully resolved by prelinking. */
484 SECCAT_DATA_REL,
485 SECCAT_DATA_REL_LOCAL,
486 SECCAT_DATA_REL_RO,
487 SECCAT_DATA_REL_RO_LOCAL,
489 SECCAT_SDATA,
490 SECCAT_TDATA,
492 SECCAT_BSS,
493 SECCAT_SBSS,
494 SECCAT_TBSS
497 /* Information that is provided by all instances of the section type. */
498 struct GTY(()) section_common {
499 /* The set of SECTION_* flags that apply to this section. */
500 unsigned int flags;
503 /* Information about a SECTION_NAMED section. */
504 struct GTY(()) named_section {
505 struct section_common common;
507 /* The name of the section. */
508 const char *name;
510 /* If nonnull, the VAR_DECL or FUNCTION_DECL with which the
511 section is associated. */
512 tree decl;
515 /* A callback that writes the assembly code for switching to an unnamed
516 section. The argument provides callback-specific data. */
517 typedef void (*unnamed_section_callback) (const void *);
519 /* Information about a SECTION_UNNAMED section. */
520 struct GTY(()) unnamed_section {
521 struct section_common common;
523 /* The callback used to switch to the section, and the data that
524 should be passed to the callback. */
525 unnamed_section_callback GTY ((skip)) callback;
526 const void *GTY ((skip)) data;
528 /* The next entry in the chain of unnamed sections. */
529 section *next;
532 /* A callback that writes the assembly code for a decl in a
533 SECTION_NOSWITCH section. DECL is the decl that should be assembled
534 and NAME is the name of its SYMBOL_REF. SIZE is the size of the decl
535 in bytes and ROUNDED is that size rounded up to the next
536 BIGGEST_ALIGNMENT / BITS_PER_UNIT boundary.
538 Return true if the callback used DECL_ALIGN to set the object's
539 alignment. A false return value implies that we are relying
540 on the rounded size to align the decl. */
541 typedef bool (*noswitch_section_callback) (tree decl, const char *name,
542 unsigned HOST_WIDE_INT size,
543 unsigned HOST_WIDE_INT rounded);
545 /* Information about a SECTION_NOSWITCH section. */
546 struct GTY(()) noswitch_section {
547 struct section_common common;
549 /* The callback used to assemble decls in this section. */
550 noswitch_section_callback GTY ((skip)) callback;
553 /* Information about a section, which may be named or unnamed. */
554 union GTY ((desc ("SECTION_STYLE (&(%h))"))) section {
555 struct section_common GTY ((skip)) common;
556 struct named_section GTY ((tag ("SECTION_NAMED"))) named;
557 struct unnamed_section GTY ((tag ("SECTION_UNNAMED"))) unnamed;
558 struct noswitch_section GTY ((tag ("SECTION_NOSWITCH"))) noswitch;
561 /* Return the style of section SECT. */
562 #define SECTION_STYLE(SECT) ((SECT)->common.flags & SECTION_STYLE_MASK)
564 struct object_block;
566 /* Special well-known sections. */
567 extern GTY(()) section *text_section;
568 extern GTY(()) section *data_section;
569 extern GTY(()) section *readonly_data_section;
570 extern GTY(()) section *sdata_section;
571 extern GTY(()) section *ctors_section;
572 extern GTY(()) section *dtors_section;
573 extern GTY(()) section *bss_section;
574 extern GTY(()) section *sbss_section;
575 extern GTY(()) section *exception_section;
576 extern GTY(()) section *eh_frame_section;
577 extern GTY(()) section *tls_comm_section;
578 extern GTY(()) section *comm_section;
579 extern GTY(()) section *lcomm_section;
580 extern GTY(()) section *bss_noswitch_section;
582 extern GTY(()) section *in_section;
583 extern GTY(()) bool in_cold_section_p;
585 extern section *get_unnamed_section (unsigned int, void (*) (const void *),
586 const void *);
587 extern section *get_section (const char *, unsigned int, tree);
588 extern section *get_named_section (tree, const char *, int);
589 extern section *get_variable_section (tree, bool);
590 extern void place_block_symbol (rtx);
591 extern rtx get_section_anchor (struct object_block *, HOST_WIDE_INT,
592 enum tls_model);
593 extern section *mergeable_constant_section (enum machine_mode,
594 unsigned HOST_WIDE_INT,
595 unsigned int);
596 extern section *function_section (tree);
597 extern section *unlikely_text_section (void);
598 extern section *current_function_section (void);
600 /* Return the numbered .ctors.N (if CONSTRUCTOR_P) or .dtors.N (if
601 not) section for PRIORITY. */
602 extern section *get_cdtor_priority_section (int, bool);
604 extern bool unlikely_text_section_p (section *);
605 extern void switch_to_section (section *);
606 extern void output_section_asm_op (const void *);
608 extern void default_asm_output_source_filename (FILE *, const char *);
609 extern void output_file_directive (FILE *, const char *);
611 extern unsigned int default_section_type_flags (tree, const char *, int);
613 extern bool have_global_bss_p (void);
614 extern void default_no_named_section (const char *, unsigned int, tree);
615 extern void default_elf_asm_named_section (const char *, unsigned int, tree);
616 extern enum section_category categorize_decl_for_section (const_tree, int);
617 extern void default_coff_asm_named_section (const char *, unsigned int, tree);
618 extern void default_pe_asm_named_section (const char *, unsigned int, tree);
620 extern void default_stabs_asm_out_destructor (rtx, int);
621 extern void default_named_section_asm_out_destructor (rtx, int);
622 extern void default_dtor_section_asm_out_destructor (rtx, int);
623 extern void default_stabs_asm_out_constructor (rtx, int);
624 extern void default_named_section_asm_out_constructor (rtx, int);
625 extern void default_ctor_section_asm_out_constructor (rtx, int);
627 extern section *default_select_section (tree, int, unsigned HOST_WIDE_INT);
628 extern section *default_elf_select_section (tree, int, unsigned HOST_WIDE_INT);
629 extern void default_unique_section (tree, int);
630 extern section *default_function_rodata_section (tree);
631 extern section *default_no_function_rodata_section (tree);
632 extern section *default_select_rtx_section (enum machine_mode, rtx,
633 unsigned HOST_WIDE_INT);
634 extern section *default_elf_select_rtx_section (enum machine_mode, rtx,
635 unsigned HOST_WIDE_INT);
636 extern void default_encode_section_info (tree, rtx, int);
637 extern const char *default_strip_name_encoding (const char *);
638 extern void default_asm_output_anchor (rtx);
639 extern bool default_use_anchors_for_symbol_p (const_rtx);
640 extern bool default_binds_local_p (const_tree);
641 extern bool default_binds_local_p_1 (const_tree, int);
642 extern void default_globalize_label (FILE *, const char *);
643 extern void default_globalize_decl_name (FILE *, tree);
644 extern void default_emit_unwind_label (FILE *, tree, int, int);
645 extern void default_emit_except_table_label (FILE *);
646 extern void default_generate_internal_label (char *, const char *,
647 unsigned long);
648 extern void default_internal_label (FILE *, const char *, unsigned long);
649 extern void default_asm_declare_constant_name (FILE *, const char *,
650 const_tree, HOST_WIDE_INT);
651 extern void default_file_start (void);
652 extern void file_end_indicate_exec_stack (void);
653 extern void file_end_indicate_split_stack (void);
655 extern void default_elf_asm_output_external (FILE *file, tree,
656 const char *);
657 extern int maybe_assemble_visibility (tree);
659 extern int default_address_cost (rtx, bool);
661 /* Output stack usage information. */
662 extern void output_stack_usage (void);
664 /* dbxout helper functions */
665 #if defined DBX_DEBUGGING_INFO || defined XCOFF_DEBUGGING_INFO
667 extern void dbxout_int (int);
668 extern void dbxout_stabd (int, int);
669 extern void dbxout_begin_stabn (int);
670 extern void dbxout_begin_stabn_sline (int);
671 extern void dbxout_begin_empty_stabs (int);
672 extern void dbxout_begin_simple_stabs (const char *, int);
673 extern void dbxout_begin_simple_stabs_desc (const char *, int, int);
675 extern void dbxout_stab_value_zero (void);
676 extern void dbxout_stab_value_label (const char *);
677 extern void dbxout_stab_value_label_diff (const char *, const char *);
678 extern void dbxout_stab_value_internal_label (const char *, int *);
679 extern void dbxout_stab_value_internal_label_diff (const char *, int *,
680 const char *);
682 #endif
684 #endif /* ! GCC_OUTPUT_H */