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0c2768fc RS |
1 | /* Declarations for insn-output.c. These functions are defined in recog.c, |
2 | final.c, and varasm.c. | |
87e11268 | 3 | Copyright (C) 1987, 1991, 1994, 97-98, 1999 Free Software Foundation, Inc. |
0c2768fc RS |
4 | |
5 | This file is part of GNU CC. | |
6 | ||
7 | GNU CC is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2, or (at your option) | |
10 | any later version. | |
11 | ||
12 | GNU CC is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU CC; see the file COPYING. If not, write to | |
e99215a3 RK |
19 | the Free Software Foundation, 59 Temple Place - Suite 330, |
20 | Boston, MA 02111-1307, USA. */ | |
0c2768fc | 21 | |
9b1d8cd6 RK |
22 | /* Initialize data in final at the beginning of a compilation. */ |
23 | extern void init_final PROTO((char *)); | |
24 | ||
25 | /* Called at end of source file, | |
26 | to output the block-profiling table for this entire compilation. */ | |
87e11268 | 27 | extern void end_final PROTO((const char *)); |
9b1d8cd6 RK |
28 | |
29 | /* Enable APP processing of subsequent output. | |
30 | Used before the output from an `asm' statement. */ | |
31 | extern void app_enable PROTO((void)); | |
32 | ||
33 | /* Disable APP processing of subsequent output. | |
34 | Called from varasm.c before most kinds of output. */ | |
35 | extern void app_disable PROTO((void)); | |
36 | ||
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 PROTO((void)); | |
41 | ||
42 | /* Indicate that branch shortening hasn't yet been done. */ | |
43 | extern void init_insn_lengths PROTO((void)); | |
44 | ||
ed068cf5 | 45 | #ifdef RTX_CODE |
9b1d8cd6 RK |
46 | /* Obtain the current length of an insn. If branch shortening has been done, |
47 | get its actual length. Otherwise, get its maximum length. */ | |
48 | extern int get_attr_length PROTO((rtx)); | |
49 | ||
50 | /* Make a pass over all insns and compute their actual lengths by shortening | |
51 | any branches of variable length if possible. */ | |
52 | extern void shorten_branches PROTO((rtx)); | |
53 | ||
54 | /* Output assembler code for the start of a function, | |
55 | and initialize some of the variables in this file | |
56 | for the new function. The label for the function and associated | |
57 | assembler pseudo-ops have already been output in | |
58 | `assemble_start_function'. */ | |
b93a436e | 59 | extern void final_start_function PROTO((rtx, FILE *, int)); |
9b1d8cd6 RK |
60 | |
61 | /* Output assembler code for the end of a function. | |
62 | For clarity, args are same as those of `final_start_function' | |
63 | even though not all of them are needed. */ | |
b93a436e | 64 | extern void final_end_function PROTO((rtx, FILE *, int)); |
9b1d8cd6 RK |
65 | |
66 | /* Output assembler code for some insns: all or part of a function. */ | |
b93a436e | 67 | extern void final PROTO((rtx, FILE *, int, int)); |
9b1d8cd6 RK |
68 | |
69 | /* The final scan for one insn, INSN. Args are same as in `final', except | |
70 | that INSN is the insn being scanned. Value returned is the next insn to | |
71 | be scanned. */ | |
b93a436e | 72 | extern rtx final_scan_insn PROTO((rtx, FILE *, int, int, int)); |
9b1d8cd6 RK |
73 | |
74 | /* Replace a SUBREG with a REG or a MEM, based on the thing it is a | |
75 | subreg of. */ | |
76 | extern rtx alter_subreg PROTO((rtx)); | |
77 | ||
78 | /* Report inconsistency between the assembler template and the operands. | |
79 | In an `asm', it's the user's fault; otherwise, the compiler's fault. */ | |
87e11268 | 80 | extern void output_operand_lossage PROTO((const char *)); |
cf1c49cb | 81 | |
0c2768fc RS |
82 | /* Output a string of assembler code, substituting insn operands. |
83 | Defined in final.c. */ | |
9b3142b3 | 84 | extern void output_asm_insn PROTO((const char *, rtx *)); |
0c2768fc | 85 | |
487a6e06 KG |
86 | /* Compute a worst-case reference address of a branch so that it |
87 | can be safely used in the presence of aligned labels. | |
88 | Defined in final.c. */ | |
89 | extern int insn_current_reference_address PROTO((rtx)); | |
90 | ||
3873d24b RH |
91 | /* Find the alignment associated with a CODE_LABEL. |
92 | Defined in final.c. */ | |
93 | extern int label_to_alignment PROTO((rtx)); | |
94 | ||
9b1d8cd6 RK |
95 | /* Output a LABEL_REF, or a bare CODE_LABEL, as an assembler symbol. */ |
96 | extern void output_asm_label PROTO((rtx)); | |
97 | ||
98 | /* Print a memory reference operand for address X | |
99 | using machine-dependent assembler syntax. */ | |
100 | extern void output_address PROTO((rtx)); | |
1428a6b3 | 101 | |
aaff8ce0 CH |
102 | /* Print an integer constant expression in assembler syntax. |
103 | Addition and subtraction are the only arithmetic | |
104 | that may appear in these expressions. */ | |
b93a436e | 105 | extern void output_addr_const PROTO((FILE *, rtx)); |
aaff8ce0 | 106 | |
9b1d8cd6 RK |
107 | /* Output a string of assembler code, substituting numbers, strings |
108 | and fixed syntactic prefixes. */ | |
87e11268 | 109 | extern void asm_fprintf PVPROTO((FILE *file, const char *p, ...)); |
9b1d8cd6 RK |
110 | |
111 | /* Split up a CONST_DOUBLE or integer constant rtx into two rtx's for single | |
112 | words. */ | |
113 | extern void split_double PROTO((rtx, rtx *, rtx *)); | |
114 | ||
115 | /* Return nonzero if this function has no function calls. */ | |
116 | extern int leaf_function_p PROTO((void)); | |
117 | ||
118 | /* Return 1 if this function uses only the registers that can be | |
119 | safely renumbered. */ | |
120 | extern int only_leaf_regs_used PROTO((void)); | |
121 | ||
122 | /* Scan IN_RTX and its subexpressions, and renumber all regs into those | |
123 | available in leaf functions. */ | |
124 | extern void leaf_renumber_regs_insn PROTO((rtx)); | |
a1493f9f RK |
125 | |
126 | /* Functions in flow.c */ | |
127 | extern void allocate_for_life_analysis PROTO((void)); | |
128 | extern int regno_uninitialized PROTO((int)); | |
129 | extern int regno_clobbered_at_setjmp PROTO((int)); | |
b93a436e | 130 | extern void dump_flow_info PROTO((FILE *)); |
359da67d | 131 | extern void find_basic_blocks PROTO((rtx, int, FILE *, int)); |
d8af60bf JL |
132 | extern void free_basic_block_vars PROTO((int)); |
133 | extern void set_block_num PROTO((rtx, int)); | |
11f246f6 | 134 | extern void life_analysis PROTO((rtx, int, FILE *, int)); |
ed068cf5 RK |
135 | #endif |
136 | ||
137 | /* Functions in varasm.c. */ | |
138 | ||
139 | /* Tell assembler to switch to text section. */ | |
140 | extern void text_section PROTO((void)); | |
141 | ||
142 | /* Tell assembler to switch to data section. */ | |
143 | extern void data_section PROTO((void)); | |
144 | ||
3167de5b AM |
145 | /* Tell assembler to make sure its in the data section. */ |
146 | extern void force_data_section PROTO((void)); | |
147 | ||
ed068cf5 RK |
148 | /* Tell assembler to switch to read-only data section. This is normally |
149 | the text section. */ | |
150 | extern void readonly_data_section PROTO((void)); | |
151 | ||
152 | /* Determine if we're in the text section. */ | |
153 | extern int in_text_section PROTO((void)); | |
154 | ||
487a6e06 KG |
155 | #ifdef EH_FRAME_SECTION_ASM_OP |
156 | extern void eh_frame_section PROTO ((void)); | |
157 | #endif | |
158 | ||
ed068cf5 RK |
159 | #ifdef TREE_CODE |
160 | /* Tell assembler to change to section NAME for DECL. | |
161 | If DECL is NULL, just switch to section NAME. | |
ad4ff310 JM |
162 | If NAME is NULL, get the name from DECL. |
163 | If RELOC is 1, the initializer for DECL contains relocs. */ | |
87e11268 | 164 | extern void named_section PROTO((tree, const char *, int)); |
ed068cf5 | 165 | |
4d1065ed DE |
166 | /* Tell assembler to switch to the section for function DECL. */ |
167 | extern void function_section PROTO((tree)); | |
168 | ||
6adb4e3a MS |
169 | /* Tell assembler to switch to the section for the exception table. */ |
170 | extern void exception_section PROTO((void)); | |
171 | ||
ed068cf5 RK |
172 | /* Create the rtl to represent a function, for a function definition. |
173 | DECL is a FUNCTION_DECL node which describes which function. | |
174 | The rtl is stored into DECL. */ | |
175 | extern void make_function_rtl PROTO((tree)); | |
176 | ||
d6f4ec51 KG |
177 | /* Declare DECL to be a weak symbol. */ |
178 | extern void declare_weak PROTO ((tree)); | |
179 | #endif /* TREE_CODE */ | |
180 | ||
50b2596f KG |
181 | /* Emit any pending weak declarations. */ |
182 | extern void weak_finish PROTO ((void)); | |
183 | ||
ed068cf5 RK |
184 | /* Decode an `asm' spec for a declaration as a register name. |
185 | Return the register number, or -1 if nothing specified, | |
186 | or -2 if the ASMSPEC is not `cc' or `memory' and is not recognized, | |
187 | or -3 if ASMSPEC is `cc' and is not recognized, | |
188 | or -4 if ASMSPEC is `memory' and is not recognized. | |
189 | Accept an exact spelling or a decimal number. | |
190 | Prefixes such as % are optional. */ | |
87e11268 | 191 | extern int decode_reg_name PROTO((const char *)); |
ed068cf5 | 192 | |
d6f4ec51 | 193 | #ifdef TREE_CODE |
ed068cf5 RK |
194 | /* Create the DECL_RTL for a declaration for a static or external variable |
195 | or static or external function. | |
196 | ASMSPEC, if not 0, is the string which the user specified | |
197 | as the assembler symbol name. | |
198 | TOP_LEVEL is nonzero if this is a file-scope variable. | |
199 | ||
200 | This is never called for PARM_DECL nodes. */ | |
87e11268 | 201 | extern void make_decl_rtl PROTO((tree, const char *, int)); |
ed068cf5 RK |
202 | |
203 | /* Make the rtl for variable VAR be volatile. | |
204 | Use this only for static variables. */ | |
205 | extern void make_var_volatile PROTO((tree)); | |
206 | ||
207 | /* Output alignment directive to align for constant expression EXP. */ | |
208 | extern void assemble_constant_align PROTO((tree)); | |
209 | ||
d6f4ec51 KG |
210 | extern void assemble_alias PROTO((tree, tree)); |
211 | ||
ed068cf5 RK |
212 | /* Output a string of literal assembler code |
213 | for an `asm' keyword used between functions. */ | |
214 | extern void assemble_asm PROTO((tree)); | |
215 | ||
216 | /* Record an element in the table of global destructors. | |
217 | How this is done depends on what sort of assembler and linker | |
218 | are in use. | |
219 | ||
220 | NAME should be the name of a global function to be called | |
221 | at exit time. This name is output using assemble_name. */ | |
222 | extern void assemble_destructor PROTO((char *)); | |
223 | ||
224 | /* Likewise for global constructors. */ | |
225 | extern void assemble_constructor PROTO((char *)); | |
226 | ||
227 | /* Likewise for entries we want to record for garbage collection. | |
228 | Garbage collection is still under development. */ | |
229 | extern void assemble_gc_entry PROTO((char *)); | |
230 | ||
231 | /* Output assembler code for the constant pool of a function and associated | |
232 | with defining the name of the function. DECL describes the function. | |
233 | NAME is the function's name. For the constant pool, we use the current | |
234 | constant pool data. */ | |
235 | extern void assemble_start_function PROTO((tree, char *)); | |
236 | ||
237 | /* Output assembler code associated with defining the size of the | |
238 | function. DECL describes the function. NAME is the function's name. */ | |
239 | extern void assemble_end_function PROTO((tree, char *)); | |
240 | ||
241 | /* Assemble code to leave SIZE bytes of zeros. */ | |
242 | extern void assemble_zeros PROTO((int)); | |
243 | ||
244 | /* Assemble an alignment pseudo op for an ALIGN-bit boundary. */ | |
245 | extern void assemble_align PROTO((int)); | |
246 | ||
247 | /* Assemble a string constant with the specified C string as contents. */ | |
9b3142b3 | 248 | extern void assemble_string PROTO((const char *, int)); |
ed068cf5 RK |
249 | /* Assemble everything that is needed for a variable or function declaration. |
250 | Not used for automatic variables, and not used for function definitions. | |
251 | Should not be called for variables of incomplete structure type. | |
252 | ||
253 | TOP_LEVEL is nonzero if this variable has file scope. | |
254 | AT_END is nonzero if this is the special handling, at end of compilation, | |
255 | to define things that have had only tentative definitions. | |
256 | DONT_OUTPUT_DATA if nonzero means don't actually output the | |
257 | initial value (that will be done by the caller). */ | |
258 | extern void assemble_variable PROTO((tree, int, int, int)); | |
259 | ||
ed068cf5 RK |
260 | /* Output something to declare an external symbol to the assembler. |
261 | (Most assemblers don't need this, so we normally output nothing.) | |
262 | Do nothing if DECL is not external. */ | |
263 | extern void assemble_external PROTO((tree)); | |
d6f4ec51 | 264 | #endif /* TREE_CODE */ |
ed068cf5 RK |
265 | |
266 | #ifdef RTX_CODE | |
267 | /* Similar, for calling a library function FUN. */ | |
268 | extern void assemble_external_libcall PROTO((rtx)); | |
269 | #endif | |
9b1d8cd6 | 270 | |
ed068cf5 RK |
271 | /* Declare the label NAME global. */ |
272 | extern void assemble_global PROTO((char *)); | |
273 | ||
274 | /* Assemble a label named NAME. */ | |
275 | extern void assemble_label PROTO((char *)); | |
276 | ||
277 | /* Output to FILE a reference to the assembler name of a C-level name NAME. | |
278 | If NAME starts with a *, the rest of NAME is output verbatim. | |
279 | Otherwise NAME is transformed in an implementation-defined way | |
280 | (usually by the addition of an underscore). | |
281 | Many macros in the tm file are defined to call this function. */ | |
b93a436e | 282 | extern void assemble_name PROTO((FILE *, char *)); |
ed068cf5 RK |
283 | |
284 | #ifdef RTX_CODE | |
285 | /* Assemble the integer constant X into an object of SIZE bytes. | |
286 | X must be either a CONST_INT or CONST_DOUBLE. | |
287 | ||
288 | Return 1 if we were able to output the constant, otherwise 0. If FORCE is | |
289 | non-zero, abort if we can't output the constant. */ | |
290 | extern int assemble_integer PROTO((rtx, int, int)); | |
291 | ||
292 | #ifdef EMUSHORT | |
293 | /* Assemble the floating-point constant D into an object of size MODE. */ | |
294 | extern void assemble_real PROTO((REAL_VALUE_TYPE, | |
295 | enum machine_mode)); | |
296 | #endif | |
297 | #endif | |
298 | ||
299 | /* At the end of a function, forget the memory-constants | |
300 | previously made for CONST_DOUBLEs. Mark them as not on real_constant_chain. | |
301 | Also clear out real_constant_chain and clear out all the chain-pointers. */ | |
302 | extern void clear_const_double_mem PROTO((void)); | |
303 | ||
304 | /* Start deferring output of subconstants. */ | |
305 | extern void defer_addressed_constants PROTO((void)); | |
306 | ||
307 | /* Stop deferring output of subconstants, | |
308 | and output now all those that have been deferred. */ | |
309 | extern void output_deferred_addressed_constants PROTO((void)); | |
310 | ||
311 | /* Initialize constant pool hashing for next function. */ | |
312 | extern void init_const_rtx_hash_table PROTO((void)); | |
313 | ||
314 | /* Return the size of the constant pool. */ | |
315 | extern int get_pool_size PROTO((void)); | |
316 | ||
317 | #ifdef TREE_CODE | |
318 | /* Write all the constants in the constant pool. */ | |
319 | extern void output_constant_pool PROTO((char *, tree)); | |
320 | ||
321 | /* Output assembler code for constant EXP to FILE, with no label. | |
322 | This includes the pseudo-op such as ".int" or ".byte", and a newline. | |
323 | Assumes output_addressed_constants has been done on EXP already. | |
324 | ||
325 | Generate exactly SIZE bytes of assembler data, padding at the end | |
326 | with zeros if necessary. SIZE must always be specified. */ | |
327 | extern void output_constant PROTO((tree, int)); | |
328 | #endif | |
aaff8ce0 | 329 | |
0c2768fc RS |
330 | /* When outputting assembler code, indicates which alternative |
331 | of the constraints was actually satisfied. */ | |
332 | extern int which_alternative; | |
333 | ||
ed068cf5 | 334 | #ifdef RTX_CODE |
0c2768fc RS |
335 | /* When outputting delayed branch sequences, this rtx holds the |
336 | sequence being output. It is null when no delayed branch | |
337 | sequence is being output, so it can be used as a test in the | |
338 | insn output code. | |
339 | ||
340 | This variable is defined in final.c. */ | |
341 | extern rtx final_sequence; | |
ed068cf5 | 342 | #endif |
0c2768fc RS |
343 | |
344 | /* Number of bytes of args popped by function being compiled on its return. | |
345 | Zero if no bytes are to be popped. | |
346 | May affect compilation of return insn or of function epilogue. */ | |
347 | ||
348 | extern int current_function_pops_args; | |
349 | ||
350 | /* Nonzero if function being compiled needs to be given an address | |
351 | where the value should be stored. */ | |
352 | ||
353 | extern int current_function_returns_struct; | |
354 | ||
355 | /* Nonzero if function being compiled needs to | |
356 | return the address of where it has put a structure value. */ | |
357 | ||
358 | extern int current_function_returns_pcc_struct; | |
359 | ||
360 | /* Nonzero if function being compiled needs to be passed a static chain. */ | |
361 | ||
362 | extern int current_function_needs_context; | |
363 | ||
364 | /* Nonzero if function being compiled can call setjmp. */ | |
365 | ||
366 | extern int current_function_calls_setjmp; | |
367 | ||
368 | /* Nonzero if function being compiled can call longjmp. */ | |
369 | ||
370 | extern int current_function_calls_longjmp; | |
371 | ||
372 | /* Nonzero if function being compiled can call alloca, | |
373 | either as a subroutine or builtin. */ | |
374 | ||
375 | extern int current_function_calls_alloca; | |
376 | ||
377 | /* Nonzero if function being compiled receives nonlocal gotos | |
378 | from nested functions. */ | |
379 | ||
380 | extern int current_function_has_nonlocal_label; | |
381 | ||
382 | /* Nonzero if function being compiled contains nested functions. */ | |
383 | ||
384 | extern int current_function_contains_functions; | |
385 | ||
54ff41b7 JW |
386 | /* Nonzero if function being compiled doesn't contain any calls |
387 | (ignoring the prologue and epilogue). This is set prior to | |
388 | local register allocation and is valid for the remaining | |
389 | compiler passes. */ | |
390 | ||
391 | extern int current_function_is_leaf; | |
392 | ||
fdb8a883 JW |
393 | /* Nonzero if function being compiled doesn't modify the stack pointer |
394 | (ignoring the prologue and epilogue). This is only valid after | |
395 | life_analysis has run. */ | |
396 | ||
397 | extern int current_function_sp_is_unchanging; | |
398 | ||
54ff41b7 JW |
399 | /* Nonzero if the function being compiled is a leaf function which only |
400 | uses leaf registers. This is valid after reload (specifically after | |
401 | sched2) and is useful only if the port defines LEAF_REGISTERS. */ | |
402 | ||
403 | extern int current_function_uses_only_leaf_regs; | |
404 | ||
acd693d1 | 405 | /* Nonzero if the function being compiled issues a computed jump. */ |
ab87f8c8 | 406 | |
acd693d1 | 407 | extern int current_function_has_computed_jump; |
ab87f8c8 | 408 | |
0c2768fc RS |
409 | /* Nonzero if the current function returns a pointer type */ |
410 | ||
411 | extern int current_function_returns_pointer; | |
412 | ||
413 | /* If function's args have a fixed size, this is that size, in bytes. | |
414 | Otherwise, it is -1. | |
415 | May affect compilation of return insn or of function epilogue. */ | |
416 | ||
417 | extern int current_function_args_size; | |
418 | ||
419 | /* # bytes the prologue should push and pretend that the caller pushed them. | |
420 | The prologue must do this, but only if parms can be passed in registers. */ | |
421 | ||
422 | extern int current_function_pretend_args_size; | |
423 | ||
424 | /* # of bytes of outgoing arguments required to be pushed by the prologue. | |
425 | If this is non-zero, it means that ACCUMULATE_OUTGOING_ARGS was defined | |
426 | and no stack adjusts will be done on function calls. */ | |
427 | ||
428 | extern int current_function_outgoing_args_size; | |
429 | ||
430 | /* Nonzero if current function uses varargs.h or equivalent. | |
431 | Zero for functions that use stdarg.h. */ | |
432 | ||
433 | extern int current_function_varargs; | |
434 | ||
ca00d1e0 RK |
435 | /* Nonzero if current function uses stdarg.h or equivalent. |
436 | Zero for functions that use varargs.h. */ | |
437 | ||
438 | extern int current_function_stdarg; | |
439 | ||
0c2768fc RS |
440 | /* Quantities of various kinds of registers |
441 | used for the current function's args. */ | |
442 | ||
443 | extern CUMULATIVE_ARGS current_function_args_info; | |
444 | ||
445 | /* Name of function now being compiled. */ | |
446 | ||
447 | extern char *current_function_name; | |
448 | ||
ed068cf5 | 449 | #ifdef RTX_CODE |
0c2768fc RS |
450 | /* If non-zero, an RTL expression for that location at which the current |
451 | function returns its result. Usually equal to | |
452 | DECL_RTL (DECL_RESULT (current_function_decl)). */ | |
453 | ||
454 | extern rtx current_function_return_rtx; | |
455 | ||
456 | /* If some insns can be deferred to the delay slots of the epilogue, the | |
457 | delay list for them is recorded here. */ | |
458 | ||
459 | extern rtx current_function_epilogue_delay_list; | |
ed068cf5 | 460 | #endif |
0c2768fc | 461 | |
7fe78aa6 JL |
462 | /* Nonzero means generate position-independent code. |
463 | This is not fully implemented yet. */ | |
464 | ||
465 | extern int flag_pic; | |
466 | ||
0c2768fc RS |
467 | /* This is nonzero if the current function uses pic_offset_table_rtx. */ |
468 | extern int current_function_uses_pic_offset_table; | |
469 | ||
aae75261 JVA |
470 | /* This is nonzero if the current function uses the constant pool. */ |
471 | extern int current_function_uses_const_pool; | |
472 | ||
aeb302bb JM |
473 | /* Language-specific reason why the current function cannot be made inline. */ |
474 | extern char *current_function_cannot_inline; | |
475 | ||
0c2768fc RS |
476 | /* The line number of the beginning of the current function. |
477 | sdbout.c needs this so that it can output relative linenumbers. */ | |
478 | ||
479 | #ifdef SDB_DEBUGGING_INFO /* Avoid undef sym in certain broken linkers. */ | |
480 | extern int sdb_begin_function_line; | |
481 | #endif | |
482 | ||
483 | /* File in which assembler code is being written. */ | |
484 | ||
cf1c49cb | 485 | #ifdef BUFSIZ |
0c2768fc RS |
486 | extern FILE *asm_out_file; |
487 | #endif | |
ad4ff310 | 488 | |
a86d864c RH |
489 | /* Default file in which to dump debug output. */ |
490 | ||
491 | #ifdef BUFSIZ | |
492 | extern FILE *rtl_dump_file; | |
493 | #endif | |
494 | ||
ad4ff310 JM |
495 | /* Decide whether DECL needs to be in a writable section. RELOC is the same |
496 | as for SELECT_SECTION. */ | |
497 | ||
498 | #define DECL_READONLY_SECTION(DECL,RELOC) \ | |
499 | (TREE_READONLY (DECL) \ | |
500 | && ! TREE_THIS_VOLATILE (DECL) \ | |
501 | && DECL_INITIAL (DECL) \ | |
502 | && (DECL_INITIAL (DECL) == error_mark_node \ | |
503 | || TREE_CONSTANT (DECL_INITIAL (DECL))) \ | |
504 | && ! (RELOC && (flag_pic || DECL_ONE_ONLY (DECL)))) | |
19283265 RH |
505 | |
506 | /* User label prefix in effect for this compilation. */ | |
87e11268 | 507 | extern const char *user_label_prefix; |