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26b071b0 | 1 | /* Declarations for insn-output.c. These functions are defined in recog.c, |
2 | final.c, and varasm.c. | |
9daf6266 | 3 | Copyright (C) 1987, 1991, 1994, 1997, 1998, |
e69efecb | 4 | 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. |
26b071b0 | 5 | |
f12b58b3 | 6 | This file is part of GCC. |
26b071b0 | 7 | |
f12b58b3 | 8 | GCC is free software; you can redistribute it and/or modify it under |
9 | the terms of the GNU General Public License as published by the Free | |
10 | Software Foundation; either version 2, or (at your option) any later | |
11 | version. | |
26b071b0 | 12 | |
f12b58b3 | 13 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
14 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 | for more details. | |
26b071b0 | 17 | |
18 | You should have received a copy of the GNU General Public License | |
f12b58b3 | 19 | along with GCC; see the file COPYING. If not, write to the Free |
20 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
21 | 02111-1307, USA. */ | |
26b071b0 | 22 | |
10f913f2 | 23 | #ifndef GCC_OUTPUT_H |
24 | #define GCC_OUTPUT_H | |
25 | ||
312866af | 26 | /* Compute branch alignments based on frequency information in the CFG. */ |
3ad4992f | 27 | extern void compute_alignments (void); |
312866af | 28 | |
82b5e01f | 29 | /* Initialize data in final at the beginning of a compilation. */ |
3ad4992f | 30 | extern void init_final (const char *); |
82b5e01f | 31 | |
82b5e01f | 32 | /* Enable APP processing of subsequent output. |
33 | Used before the output from an `asm' statement. */ | |
3ad4992f | 34 | extern void app_enable (void); |
82b5e01f | 35 | |
36 | /* Disable APP processing of subsequent output. | |
37 | Called from varasm.c before most kinds of output. */ | |
3ad4992f | 38 | extern void app_disable (void); |
82b5e01f | 39 | |
072dd462 | 40 | /* Return the number of slots filled in the current |
82b5e01f | 41 | delayed branch sequence (we don't count the insn needing the |
42 | delay slot). Zero if not in a delayed branch sequence. */ | |
3ad4992f | 43 | extern int dbr_sequence_length (void); |
82b5e01f | 44 | |
45 | /* Indicate that branch shortening hasn't yet been done. */ | |
3ad4992f | 46 | extern void init_insn_lengths (void); |
82b5e01f | 47 | |
48 | /* Obtain the current length of an insn. If branch shortening has been done, | |
49 | get its actual length. Otherwise, get its maximum length. */ | |
3ad4992f | 50 | extern int get_attr_length (rtx); |
82b5e01f | 51 | |
52 | /* Make a pass over all insns and compute their actual lengths by shortening | |
53 | any branches of variable length if possible. */ | |
3ad4992f | 54 | extern void shorten_branches (rtx); |
82b5e01f | 55 | |
56 | /* Output assembler code for the start of a function, | |
57 | and initialize some of the variables in this file | |
58 | for the new function. The label for the function and associated | |
59 | assembler pseudo-ops have already been output in | |
60 | `assemble_start_function'. */ | |
3ad4992f | 61 | extern void final_start_function (rtx, FILE *, int); |
82b5e01f | 62 | |
63 | /* Output assembler code for the end of a function. | |
64 | For clarity, args are same as those of `final_start_function' | |
65 | even though not all of them are needed. */ | |
3ad4992f | 66 | extern void final_end_function (void); |
82b5e01f | 67 | |
68 | /* Output assembler code for some insns: all or part of a function. */ | |
3ad4992f | 69 | extern void final (rtx, FILE *, int, int); |
82b5e01f | 70 | |
fbf5169c | 71 | /* The final scan for one insn, INSN. Args are same as in `final', except |
72 | that INSN is the insn being scanned. Value returned is the next insn to | |
73 | be scanned. */ | |
74 | extern rtx final_scan_insn (rtx, FILE *, int, int, int, int *); | |
75 | ||
82b5e01f | 76 | /* Replace a SUBREG with a REG or a MEM, based on the thing it is a |
77 | subreg of. */ | |
3ad4992f | 78 | extern rtx alter_subreg (rtx *); |
82b5e01f | 79 | |
80 | /* Report inconsistency between the assembler template and the operands. | |
81 | In an `asm', it's the user's fault; otherwise, the compiler's fault. */ | |
3ad4992f | 82 | extern void output_operand_lossage (const char *, ...) ATTRIBUTE_PRINTF_1; |
7ba2cd99 | 83 | |
26b071b0 | 84 | /* Output a string of assembler code, substituting insn operands. |
85 | Defined in final.c. */ | |
3ad4992f | 86 | extern void output_asm_insn (const char *, rtx *); |
26b071b0 | 87 | |
0e93a6ac | 88 | /* Compute a worst-case reference address of a branch so that it |
89 | can be safely used in the presence of aligned labels. | |
90 | Defined in final.c. */ | |
3ad4992f | 91 | extern int insn_current_reference_address (rtx); |
0e93a6ac | 92 | |
849674a3 | 93 | /* Find the alignment associated with a CODE_LABEL. |
94 | Defined in final.c. */ | |
3ad4992f | 95 | extern int label_to_alignment (rtx); |
849674a3 | 96 | |
82b5e01f | 97 | /* Output a LABEL_REF, or a bare CODE_LABEL, as an assembler symbol. */ |
3ad4992f | 98 | extern void output_asm_label (rtx); |
82b5e01f | 99 | |
100 | /* Print a memory reference operand for address X | |
101 | using machine-dependent assembler syntax. */ | |
3ad4992f | 102 | extern void output_address (rtx); |
50ec54d9 | 103 | |
4d3281c9 | 104 | /* Print an integer constant expression in assembler syntax. |
105 | Addition and subtraction are the only arithmetic | |
106 | that may appear in these expressions. */ | |
3ad4992f | 107 | extern void output_addr_const (FILE *, rtx); |
4d3281c9 | 108 | |
82b5e01f | 109 | /* Output a string of assembler code, substituting numbers, strings |
110 | and fixed syntactic prefixes. */ | |
c54d077b | 111 | #if GCC_VERSION >= 3004 |
112 | #define ATTRIBUTE_ASM_FPRINTF(m, n) __attribute__ ((__format__ (__asm_fprintf__, m, n))) ATTRIBUTE_NONNULL(m) | |
113 | /* This is a magic identifier which allows GCC to figure out the type | |
114 | of HOST_WIDE_INT for %wd specifier checks. You must issue this | |
115 | typedef before using the __asm_fprintf__ format attribute. */ | |
116 | typedef HOST_WIDE_INT __gcc_host_wide_int__; | |
117 | #else | |
118 | #define ATTRIBUTE_ASM_FPRINTF(m, n) ATTRIBUTE_NONNULL(m) | |
119 | #endif | |
120 | ||
3ad4992f | 121 | extern void asm_fprintf (FILE *file, const char *p, ...) |
122 | ATTRIBUTE_ASM_FPRINTF(2, 3); | |
82b5e01f | 123 | |
124 | /* Split up a CONST_DOUBLE or integer constant rtx into two rtx's for single | |
125 | words. */ | |
3ad4992f | 126 | extern void split_double (rtx, rtx *, rtx *); |
82b5e01f | 127 | |
128 | /* Return nonzero if this function has no function calls. */ | |
3ad4992f | 129 | extern int leaf_function_p (void); |
82b5e01f | 130 | |
edc2a478 | 131 | /* Return 1 if branch is a forward branch. |
072dd462 | 132 | Uses insn_shuid array, so it works only in the final pass. May be used by |
133 | output templates to add branch prediction hints, for example. */ | |
3ad4992f | 134 | extern int final_forward_branch_p (rtx); |
072dd462 | 135 | |
82b5e01f | 136 | /* Return 1 if this function uses only the registers that can be |
137 | safely renumbered. */ | |
3ad4992f | 138 | extern int only_leaf_regs_used (void); |
82b5e01f | 139 | |
140 | /* Scan IN_RTX and its subexpressions, and renumber all regs into those | |
141 | available in leaf functions. */ | |
3ad4992f | 142 | extern void leaf_renumber_regs_insn (rtx); |
500993f8 | 143 | |
ae9660c8 | 144 | /* Locate the proper template for the given insn-code. */ |
3ad4992f | 145 | extern const char *get_insn_template (int, rtx); |
ae9660c8 | 146 | |
b7fdac4b | 147 | /* Add function NAME to the weak symbols list. VALUE is a weak alias |
148 | associated with NAME. */ | |
3ad4992f | 149 | extern int add_weak (tree, const char *, const char *); |
b7fdac4b | 150 | |
500993f8 | 151 | /* Functions in flow.c */ |
3ad4992f | 152 | extern void allocate_for_life_analysis (void); |
3ad4992f | 153 | extern int regno_clobbered_at_setjmp (int); |
454fcc7a | 154 | |
155 | /* Functions in varasm.c. */ | |
156 | ||
157 | /* Tell assembler to switch to text section. */ | |
3ad4992f | 158 | extern void text_section (void); |
454fcc7a | 159 | |
4f18499c | 160 | /* Tell assembler to switch to unlikely-to-be-executed text section. */ |
161 | extern void unlikely_text_section (void); | |
162 | ||
454fcc7a | 163 | /* Tell assembler to switch to data section. */ |
3ad4992f | 164 | extern void data_section (void); |
454fcc7a | 165 | |
166 | /* Tell assembler to switch to read-only data section. This is normally | |
167 | the text section. */ | |
3ad4992f | 168 | extern void readonly_data_section (void); |
454fcc7a | 169 | |
88b5b080 | 170 | /* Determine if we're in the text section. */ |
3ad4992f | 171 | extern int in_text_section (void); |
454fcc7a | 172 | |
4f18499c | 173 | /* Determine if we're in the unlikely-to-be-executed text section. */ |
174 | extern int in_unlikely_text_section (void); | |
175 | ||
bf008cdd | 176 | #ifdef CTORS_SECTION_ASM_OP |
3ad4992f | 177 | extern void ctors_section (void); |
bf008cdd | 178 | #endif |
179 | ||
180 | #ifdef DTORS_SECTION_ASM_OP | |
3ad4992f | 181 | extern void dtors_section (void); |
bf008cdd | 182 | #endif |
183 | ||
184 | #ifdef BSS_SECTION_ASM_OP | |
3ad4992f | 185 | extern void bss_section (void); |
bf008cdd | 186 | #endif |
187 | ||
60548826 | 188 | #ifdef INIT_SECTION_ASM_OP |
3ad4992f | 189 | extern void init_section (void); |
60548826 | 190 | #endif |
191 | ||
192 | #ifdef FINI_SECTION_ASM_OP | |
3ad4992f | 193 | extern void fini_section (void); |
60548826 | 194 | #endif |
bf008cdd | 195 | |
0c87a39e | 196 | #ifdef EXPORTS_SECTION_ASM_OP |
3ad4992f | 197 | extern void exports_section (void); |
0c87a39e | 198 | #endif |
199 | ||
e906a16a | 200 | #ifdef DRECTVE_SECTION_ASM_OP |
3ad4992f | 201 | extern void drectve_section (void); |
e906a16a | 202 | #endif |
203 | ||
7e6b5e54 | 204 | #ifdef SDATA_SECTION_ASM_OP |
3ad4992f | 205 | extern void sdata_section (void); |
7e6b5e54 | 206 | #endif |
207 | ||
454fcc7a | 208 | /* Tell assembler to change to section NAME for DECL. |
209 | If DECL is NULL, just switch to section NAME. | |
9b6402f5 | 210 | If NAME is NULL, get the name from DECL. |
211 | If RELOC is 1, the initializer for DECL contains relocs. */ | |
3ad4992f | 212 | extern void named_section (tree, const char *, int); |
454fcc7a | 213 | |
b409d58e | 214 | /* Tell assembler to switch to the section for function DECL. */ |
3ad4992f | 215 | extern void function_section (tree); |
b409d58e | 216 | |
bb2821c0 | 217 | /* Tell assembler to switch to the section for string merging. */ |
3ad4992f | 218 | extern void mergeable_string_section (tree, unsigned HOST_WIDE_INT, |
219 | unsigned int); | |
bb2821c0 | 220 | |
221 | /* Tell assembler to switch to the section for constant merging. */ | |
3ad4992f | 222 | extern void mergeable_constant_section (enum machine_mode, |
223 | unsigned HOST_WIDE_INT, unsigned int); | |
bb2821c0 | 224 | |
cd03a192 | 225 | /* Declare DECL to be a weak symbol. */ |
3ad4992f | 226 | extern void declare_weak (tree); |
296c463e | 227 | /* Merge weak status. */ |
3ad4992f | 228 | extern void merge_weak (tree, tree); |
cd03a192 | 229 | |
ebd9163c | 230 | /* Emit any pending weak declarations. */ |
3ad4992f | 231 | extern void weak_finish (void); |
ebd9163c | 232 | |
454fcc7a | 233 | /* Decode an `asm' spec for a declaration as a register name. |
234 | Return the register number, or -1 if nothing specified, | |
235 | or -2 if the ASMSPEC is not `cc' or `memory' and is not recognized, | |
236 | or -3 if ASMSPEC is `cc' and is not recognized, | |
237 | or -4 if ASMSPEC is `memory' and is not recognized. | |
238 | Accept an exact spelling or a decimal number. | |
239 | Prefixes such as % are optional. */ | |
3ad4992f | 240 | extern int decode_reg_name (const char *); |
454fcc7a | 241 | |
454fcc7a | 242 | /* Make the rtl for variable VAR be volatile. |
243 | Use this only for static variables. */ | |
3ad4992f | 244 | extern void make_var_volatile (tree); |
454fcc7a | 245 | |
3ad4992f | 246 | extern void assemble_alias (tree, tree); |
cd03a192 | 247 | |
3ad4992f | 248 | extern void default_assemble_visibility (tree, int); |
b4cf9ec1 | 249 | |
454fcc7a | 250 | /* Output a string of literal assembler code |
251 | for an `asm' keyword used between functions. */ | |
3ad4992f | 252 | extern void assemble_asm (tree); |
454fcc7a | 253 | |
454fcc7a | 254 | /* Output assembler code for the constant pool of a function and associated |
255 | with defining the name of the function. DECL describes the function. | |
256 | NAME is the function's name. For the constant pool, we use the current | |
257 | constant pool data. */ | |
3ad4992f | 258 | extern void assemble_start_function (tree, const char *); |
454fcc7a | 259 | |
260 | /* Output assembler code associated with defining the size of the | |
261 | function. DECL describes the function. NAME is the function's name. */ | |
3ad4992f | 262 | extern void assemble_end_function (tree, const char *); |
454fcc7a | 263 | |
454fcc7a | 264 | /* Assemble everything that is needed for a variable or function declaration. |
265 | Not used for automatic variables, and not used for function definitions. | |
266 | Should not be called for variables of incomplete structure type. | |
267 | ||
268 | TOP_LEVEL is nonzero if this variable has file scope. | |
269 | AT_END is nonzero if this is the special handling, at end of compilation, | |
270 | to define things that have had only tentative definitions. | |
271 | DONT_OUTPUT_DATA if nonzero means don't actually output the | |
272 | initial value (that will be done by the caller). */ | |
3ad4992f | 273 | extern void assemble_variable (tree, int, int, int); |
454fcc7a | 274 | |
454fcc7a | 275 | /* Output something to declare an external symbol to the assembler. |
276 | (Most assemblers don't need this, so we normally output nothing.) | |
277 | Do nothing if DECL is not external. */ | |
3ad4992f | 278 | extern void assemble_external (tree); |
454fcc7a | 279 | |
6e844d29 | 280 | /* Assemble code to leave SIZE bytes of zeros. */ |
3ad4992f | 281 | extern void assemble_zeros (unsigned HOST_WIDE_INT); |
6e844d29 | 282 | |
283 | /* Assemble an alignment pseudo op for an ALIGN-bit boundary. */ | |
3ad4992f | 284 | extern void assemble_align (int); |
285 | extern void assemble_eh_align (int); | |
6e844d29 | 286 | |
287 | /* Assemble a string constant with the specified C string as contents. */ | |
3ad4992f | 288 | extern void assemble_string (const char *, int); |
6e844d29 | 289 | |
454fcc7a | 290 | /* Similar, for calling a library function FUN. */ |
3ad4992f | 291 | extern void assemble_external_libcall (rtx); |
82b5e01f | 292 | |
454fcc7a | 293 | /* Assemble a label named NAME. */ |
3ad4992f | 294 | extern void assemble_label (const char *); |
295 | extern void assemble_eh_label (const char *); | |
454fcc7a | 296 | |
297 | /* Output to FILE a reference to the assembler name of a C-level name NAME. | |
298 | If NAME starts with a *, the rest of NAME is output verbatim. | |
299 | Otherwise NAME is transformed in an implementation-defined way | |
300 | (usually by the addition of an underscore). | |
301 | Many macros in the tm file are defined to call this function. */ | |
3ad4992f | 302 | extern void assemble_name (FILE *, const char *); |
454fcc7a | 303 | |
58356836 | 304 | /* Return the assembler directive for creating a given kind of integer |
305 | object. SIZE is the number of bytes in the object and ALIGNED_P | |
306 | indicates whether it is known to be aligned. Return NULL if the | |
307 | assembly dialect has no such directive. | |
308 | ||
309 | The returned string should be printed at the start of a new line and | |
310 | be followed immediately by the object's initial value. */ | |
3ad4992f | 311 | extern const char *integer_asm_op (int, int); |
58356836 | 312 | |
58356836 | 313 | /* Use directive OP to assemble an integer object X. Print OP at the |
314 | start of the line, followed immediately by the value of X. */ | |
3ad4992f | 315 | extern void assemble_integer_with_op (const char *, rtx); |
58356836 | 316 | |
317 | /* The default implementation of the asm_out.integer target hook. */ | |
3ad4992f | 318 | extern bool default_assemble_integer (rtx, unsigned int, int); |
58356836 | 319 | |
09d688ff | 320 | /* Assemble the integer constant X into an object of SIZE bytes. ALIGN is |
321 | the alignment of the integer in bits. Return 1 if we were able to output | |
7fd957fe | 322 | the constant, otherwise 0. If FORCE is nonzero, abort if we can't output |
09d688ff | 323 | the constant. */ |
3ad4992f | 324 | extern bool assemble_integer (rtx, unsigned, unsigned, int); |
58356836 | 325 | |
326 | /* An interface to assemble_integer for the common case in which a value is | |
327 | fully aligned and must be printed. VALUE is the value of the integer | |
328 | object and SIZE is the number of bytes it contains. */ | |
329 | #define assemble_aligned_integer(SIZE, VALUE) \ | |
330 | assemble_integer (VALUE, SIZE, (SIZE) * BITS_PER_UNIT, 1) | |
454fcc7a | 331 | |
1f3233d1 | 332 | #ifdef REAL_VALUE_TYPE_SIZE |
454fcc7a | 333 | /* Assemble the floating-point constant D into an object of size MODE. */ |
3ad4992f | 334 | extern void assemble_real (REAL_VALUE_TYPE, enum machine_mode, unsigned); |
454fcc7a | 335 | #endif |
454fcc7a | 336 | |
454fcc7a | 337 | /* Return the size of the constant pool. */ |
3ad4992f | 338 | extern int get_pool_size (void); |
454fcc7a | 339 | |
867b95d0 | 340 | #ifdef HAVE_peephole |
3ad4992f | 341 | extern rtx peephole (rtx); |
867b95d0 | 342 | #endif |
343 | ||
454fcc7a | 344 | /* Write all the constants in the constant pool. */ |
3ad4992f | 345 | extern void output_constant_pool (const char *, tree); |
454fcc7a | 346 | |
155b05dc | 347 | /* Return nonzero if VALUE is a valid constant-valued expression |
348 | for use in initializing a static variable; one that can be an | |
349 | element of a "constant" initializer. | |
350 | ||
351 | Return null_pointer_node if the value is absolute; | |
352 | if it is relocatable, return the variable that determines the relocation. | |
353 | We assume that VALUE has been folded as much as possible; | |
354 | therefore, we do not need to check for such things as | |
355 | arithmetic-combinations of integers. */ | |
3ad4992f | 356 | extern tree initializer_constant_valid_p (tree, tree); |
155b05dc | 357 | |
454fcc7a | 358 | /* Output assembler code for constant EXP to FILE, with no label. |
359 | This includes the pseudo-op such as ".int" or ".byte", and a newline. | |
360 | Assumes output_addressed_constants has been done on EXP already. | |
361 | ||
362 | Generate exactly SIZE bytes of assembler data, padding at the end | |
09d688ff | 363 | with zeros if necessary. SIZE must always be specified. |
364 | ||
365 | ALIGN is the alignment in bits that may be assumed for the data. */ | |
3ad4992f | 366 | extern void output_constant (tree, unsigned HOST_WIDE_INT, unsigned int); |
4d3281c9 | 367 | |
26b071b0 | 368 | /* When outputting delayed branch sequences, this rtx holds the |
369 | sequence being output. It is null when no delayed branch | |
370 | sequence is being output, so it can be used as a test in the | |
371 | insn output code. | |
372 | ||
373 | This variable is defined in final.c. */ | |
374 | extern rtx final_sequence; | |
375 | ||
56f6686b | 376 | /* The line number of the beginning of the current function. Various |
377 | md code needs this so that it can output relative linenumbers. */ | |
378 | ||
379 | #ifdef SDB_DEBUGGING_INFO /* Avoid undef sym in certain broken linkers. */ | |
380 | extern int sdb_begin_function_line; | |
381 | #endif | |
382 | ||
0a893c29 | 383 | /* File in which assembler code is being written. */ |
26b071b0 | 384 | |
0a893c29 | 385 | #ifdef BUFSIZ |
386 | extern FILE *asm_out_file; | |
387 | #endif | |
e772a198 | 388 | |
389 | /* The first global object in the file. */ | |
390 | extern const char *first_global_object_name; | |
391 | ||
392 | /* The first weak object in the file. */ | |
393 | extern const char *weak_global_object_name; | |
394 | ||
b3b67b7c | 395 | /* Nonzero if function being compiled doesn't contain any calls |
396 | (ignoring the prologue and epilogue). This is set prior to | |
397 | local register allocation and is valid for the remaining | |
88b5b080 | 398 | compiler passes. */ |
b3b67b7c | 399 | |
400 | extern int current_function_is_leaf; | |
401 | ||
f929a98a | 402 | /* Nonzero if function being compiled doesn't contain any instructions |
403 | that can throw an exception. This is set prior to final. */ | |
404 | ||
405 | extern int current_function_nothrow; | |
406 | ||
22c8984a | 407 | /* Nonzero if function being compiled doesn't modify the stack pointer |
408 | (ignoring the prologue and epilogue). This is only valid after | |
88b5b080 | 409 | life_analysis has run. */ |
22c8984a | 410 | |
411 | extern int current_function_sp_is_unchanging; | |
412 | ||
b3b67b7c | 413 | /* Nonzero if the function being compiled is a leaf function which only |
414 | uses leaf registers. This is valid after reload (specifically after | |
415 | sched2) and is useful only if the port defines LEAF_REGISTERS. */ | |
416 | ||
417 | extern int current_function_uses_only_leaf_regs; | |
418 | ||
9f1379d7 | 419 | /* Default file in which to dump debug output. */ |
420 | ||
421 | #ifdef BUFSIZ | |
450d042a | 422 | extern FILE *dump_file; |
9f1379d7 | 423 | #endif |
424 | ||
308f360f | 425 | /* Nonnull if the insn currently being emitted was a COND_EXEC pattern. */ |
00ea394c | 426 | extern rtx current_insn_predicate; |
308f360f | 427 | |
19f8cf12 | 428 | /* Last insn processed by final_scan_insn. */ |
00ea394c | 429 | extern rtx current_output_insn; |
19f8cf12 | 430 | |
a8fb9348 | 431 | /* Nonzero while outputting an `asm' with operands. |
432 | This means that inconsistencies are the user's fault, so don't abort. | |
433 | The precise value is the insn being output, to pass to error_for_asm. */ | |
434 | extern rtx this_is_asm_operands; | |
435 | ||
a49a878f | 436 | /* Carry information from ASM_DECLARE_OBJECT_NAME |
437 | to ASM_FINISH_DECLARE_OBJECT. */ | |
438 | extern int size_directive_output; | |
439 | extern tree last_assemble_variable_decl; | |
440 | ||
f4111c94 | 441 | /* Decide whether DECL needs to be in a writable section. |
442 | RELOC is the same as for SELECT_SECTION. */ | |
3ad4992f | 443 | extern bool decl_readonly_section (tree, int); |
444 | extern bool decl_readonly_section_1 (tree, int, int); | |
95c4b02a | 445 | |
ee4722fe | 446 | /* This can be used to compute RELOC for the function above, when |
447 | given a constant expression. */ | |
448 | extern int compute_reloc_for_constant (tree); | |
449 | ||
95c4b02a | 450 | /* User label prefix in effect for this compilation. */ |
951f0f62 | 451 | extern const char *user_label_prefix; |
1c5153f2 | 452 | |
17d9b0c3 | 453 | /* Default target function prologue and epilogue assembler output. */ |
3ad4992f | 454 | extern void default_function_pro_epilogue (FILE *, HOST_WIDE_INT); |
85ae73e8 | 455 | |
13c14f1c | 456 | /* Tell assembler to switch to the section for the exception table. */ |
3ad4992f | 457 | extern void default_exception_section (void); |
13c14f1c | 458 | |
459 | /* Tell assembler to switch to the section for the EH frames. */ | |
4e2b8565 | 460 | extern void named_section_eh_frame_section (void); |
461 | extern void collect2_eh_frame_section (void); | |
3ad4992f | 462 | extern void default_eh_frame_section (void); |
13c14f1c | 463 | |
85ae73e8 | 464 | /* Default target hook that outputs nothing to a stream. */ |
3ad4992f | 465 | extern void no_asm_to_stream (FILE *); |
2cb4ac60 | 466 | |
41a6f238 | 467 | /* Flags controlling properties of a section. */ |
bb2821c0 | 468 | #define SECTION_ENTSIZE 0x000ff /* entity size in section */ |
469 | #define SECTION_CODE 0x00100 /* contains code */ | |
470 | #define SECTION_WRITE 0x00200 /* data is writable */ | |
471 | #define SECTION_DEBUG 0x00400 /* contains debug data */ | |
472 | #define SECTION_LINKONCE 0x00800 /* is linkonce */ | |
473 | #define SECTION_SMALL 0x01000 /* contains "small data" */ | |
474 | #define SECTION_BSS 0x02000 /* contains zeros only */ | |
475 | #define SECTION_FORGET 0x04000 /* forget that we've entered the section */ | |
476 | #define SECTION_MERGE 0x08000 /* contains mergeable data */ | |
477 | #define SECTION_STRINGS 0x10000 /* contains zero terminated strings without | |
478 | embedded zeros */ | |
2ab08d57 | 479 | #define SECTION_OVERRIDE 0x20000 /* allow override of default flags */ |
2a6f0f81 | 480 | #define SECTION_TLS 0x40000 /* contains thread-local storage */ |
73062b44 | 481 | #define SECTION_NOTYPE 0x80000 /* don't output @progbits */ |
482 | #define SECTION_MACH_DEP 0x100000 /* subsequent bits reserved for target */ | |
2cb4ac60 | 483 | |
3ad4992f | 484 | extern unsigned int get_named_section_flags (const char *); |
485 | extern bool set_named_section_flags (const char *, unsigned int); | |
486 | extern void named_section_flags (const char *, unsigned int); | |
487 | extern bool named_section_first_declaration (const char *); | |
00ea394c | 488 | extern unsigned int default_section_type_flags (tree, const char *, int); |
489 | extern unsigned int default_section_type_flags_1 (tree, const char *, int, int); | |
3ad4992f | 490 | |
491 | extern void default_no_named_section (const char *, unsigned int); | |
492 | extern void default_elf_asm_named_section (const char *, unsigned int); | |
493 | extern void default_coff_asm_named_section (const char *, unsigned int); | |
494 | extern void default_pe_asm_named_section (const char *, unsigned int); | |
495 | ||
00ea394c | 496 | extern void default_stabs_asm_out_destructor (rtx, int); |
497 | extern void default_named_section_asm_out_destructor (rtx, int); | |
498 | extern void default_dtor_section_asm_out_destructor (rtx, int); | |
499 | extern void default_stabs_asm_out_constructor (rtx, int); | |
500 | extern void default_named_section_asm_out_constructor (rtx, int); | |
501 | extern void default_ctor_section_asm_out_constructor (rtx, int); | |
3ad4992f | 502 | |
503 | extern void default_select_section (tree, int, unsigned HOST_WIDE_INT); | |
504 | extern void default_elf_select_section (tree, int, unsigned HOST_WIDE_INT); | |
505 | extern void default_elf_select_section_1 (tree, int, | |
506 | unsigned HOST_WIDE_INT, int); | |
507 | extern void default_unique_section (tree, int); | |
508 | extern void default_unique_section_1 (tree, int, int); | |
509 | extern void default_select_rtx_section (enum machine_mode, rtx, | |
510 | unsigned HOST_WIDE_INT); | |
511 | extern void default_elf_select_rtx_section (enum machine_mode, rtx, | |
512 | unsigned HOST_WIDE_INT); | |
513 | extern void default_encode_section_info (tree, rtx, int); | |
514 | extern const char *default_strip_name_encoding (const char *); | |
515 | extern bool default_binds_local_p (tree); | |
516 | extern bool default_binds_local_p_1 (tree, int); | |
517 | extern void default_globalize_label (FILE *, const char *); | |
2f9fc8ef | 518 | extern void default_emit_unwind_label (FILE *, tree, int); |
3ad4992f | 519 | extern void default_internal_label (FILE *, const char *, unsigned long); |
520 | extern void default_file_start (void); | |
521 | extern void file_end_indicate_exec_stack (void); | |
522 | extern bool default_valid_pointer_mode (enum machine_mode); | |
7b4a38a6 | 523 | |
3ad4992f | 524 | extern int default_address_cost (rtx); |
10f913f2 | 525 | |
526 | #endif /* ! GCC_OUTPUT_H */ |