1 | /* Dwarf2 assembler output helper routines. |
2 | Copyright (C) 2001-2023 Free Software Foundation, Inc. |
3 | |
4 | This file is part of GCC. |
5 | |
6 | GCC is free software; you can redistribute it and/or modify it under |
7 | the terms of the GNU General Public License as published by the Free |
8 | Software Foundation; either version 3, or (at your option) any later |
9 | version. |
10 | |
11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or |
13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
14 | for more details. |
15 | |
16 | You should have received a copy of the GNU General Public License |
17 | along with GCC; see the file COPYING3. If not see |
18 | <http://www.gnu.org/licenses/>. */ |
19 | |
20 | |
21 | #include "config.h" |
22 | #include "system.h" |
23 | #include "coretypes.h" |
24 | #include "target.h" |
25 | #include "rtl.h" |
26 | #include "tree.h" |
27 | #include "memmodel.h" |
28 | #include "tm_p.h" |
29 | #include "stringpool.h" |
30 | #include "varasm.h" |
31 | #include "output.h" |
32 | #include "dwarf2asm.h" |
33 | #include "dwarf2.h" |
34 | #include "function.h" |
35 | #include "emit-rtl.h" |
36 | #include "fold-const.h" |
37 | |
38 | #ifndef XCOFF_DEBUGGING_INFO |
39 | #define XCOFF_DEBUGGING_INFO 0 |
40 | #endif |
41 | |
42 | |
43 | /* Output an unaligned integer with the given value and size. Prefer not |
44 | to print a newline, since the caller may want to add a comment. */ |
45 | |
46 | void |
47 | dw2_assemble_integer (int size, rtx x) |
48 | { |
49 | if (size == 2 * (int) DWARF2_ADDR_SIZE && !CONST_SCALAR_INT_P (x)) |
50 | { |
51 | /* On 32-bit targets with -gdwarf64, DImode values with |
52 | relocations usually result in assembler errors. Assume |
53 | all such values are positive and emit the relocation only |
54 | in the least significant half. */ |
55 | const char *op = integer_asm_op (DWARF2_ADDR_SIZE, false); |
56 | if (BYTES_BIG_ENDIAN) |
57 | { |
58 | if (op) |
59 | { |
60 | fputs (s: op, stream: asm_out_file); |
61 | fprint_whex (asm_out_file, 0); |
62 | fputs (s: ", " , stream: asm_out_file); |
63 | output_addr_const (asm_out_file, x); |
64 | } |
65 | else |
66 | { |
67 | assemble_integer (const0_rtx, DWARF2_ADDR_SIZE, |
68 | BITS_PER_UNIT, 1); |
69 | putc (c: '\n', stream: asm_out_file); |
70 | assemble_integer (x, DWARF2_ADDR_SIZE, |
71 | BITS_PER_UNIT, 1); |
72 | } |
73 | } |
74 | else |
75 | { |
76 | if (op) |
77 | { |
78 | fputs (s: op, stream: asm_out_file); |
79 | output_addr_const (asm_out_file, x); |
80 | fputs (s: ", " , stream: asm_out_file); |
81 | fprint_whex (asm_out_file, 0); |
82 | } |
83 | else |
84 | { |
85 | assemble_integer (x, DWARF2_ADDR_SIZE, |
86 | BITS_PER_UNIT, 1); |
87 | putc (c: '\n', stream: asm_out_file); |
88 | assemble_integer (const0_rtx, DWARF2_ADDR_SIZE, |
89 | BITS_PER_UNIT, 1); |
90 | } |
91 | } |
92 | return; |
93 | } |
94 | |
95 | const char *op = integer_asm_op (size, false); |
96 | |
97 | if (op) |
98 | { |
99 | fputs (s: op, stream: asm_out_file); |
100 | if (CONST_INT_P (x)) |
101 | fprint_whex (asm_out_file, (unsigned HOST_WIDE_INT) INTVAL (x)); |
102 | else |
103 | output_addr_const (asm_out_file, x); |
104 | } |
105 | else |
106 | assemble_integer (x, size, BITS_PER_UNIT, 1); |
107 | } |
108 | |
109 | |
110 | /* Output a value of a given size in target byte order. */ |
111 | |
112 | void |
113 | dw2_asm_output_data_raw (int size, unsigned HOST_WIDE_INT value) |
114 | { |
115 | unsigned char bytes[8]; |
116 | int i; |
117 | |
118 | for (i = 0; i < 8; ++i) |
119 | { |
120 | bytes[i] = value & 0xff; |
121 | value >>= 8; |
122 | } |
123 | |
124 | if (BYTES_BIG_ENDIAN) |
125 | { |
126 | for (i = size - 1; i > 0; --i) |
127 | fprintf (stream: asm_out_file, format: "%#x," , bytes[i]); |
128 | fprintf (stream: asm_out_file, format: "%#x" , bytes[0]); |
129 | } |
130 | else |
131 | { |
132 | for (i = 0; i < size - 1; ++i) |
133 | fprintf (stream: asm_out_file, format: "%#x," , bytes[i]); |
134 | fprintf (stream: asm_out_file, format: "%#x" , bytes[i]); |
135 | } |
136 | } |
137 | |
138 | /* Output an immediate constant in a given SIZE in bytes. */ |
139 | |
140 | void |
141 | dw2_asm_output_data (int size, unsigned HOST_WIDE_INT value, |
142 | const char *, ...) |
143 | { |
144 | va_list ap; |
145 | const char *op = integer_asm_op (size, false); |
146 | |
147 | va_start (ap, comment); |
148 | |
149 | if (size * 8 < HOST_BITS_PER_WIDE_INT) |
150 | value &= ~(HOST_WIDE_INT_M1U << (size * 8)); |
151 | |
152 | if (op) |
153 | { |
154 | fputs (s: op, stream: asm_out_file); |
155 | fprint_whex (asm_out_file, value); |
156 | } |
157 | else |
158 | assemble_integer (GEN_INT (value), size, BITS_PER_UNIT, 1); |
159 | |
160 | if (flag_debug_asm && comment) |
161 | { |
162 | fputs (s: "\t" ASM_COMMENT_START " " , stream: asm_out_file); |
163 | vfprintf (s: asm_out_file, format: comment, arg: ap); |
164 | } |
165 | putc (c: '\n', stream: asm_out_file); |
166 | |
167 | va_end (ap); |
168 | } |
169 | |
170 | /* Output the difference between two symbols in a given size. */ |
171 | /* ??? There appear to be assemblers that do not like such |
172 | subtraction, but do support ASM_SET_OP. It's unfortunately |
173 | impossible to do here, since the ASM_SET_OP for the difference |
174 | symbol must appear after both symbols are defined. */ |
175 | |
176 | void |
177 | dw2_asm_output_delta (int size, const char *lab1, const char *lab2, |
178 | const char *, ...) |
179 | { |
180 | va_list ap; |
181 | |
182 | va_start (ap, comment); |
183 | |
184 | #ifdef ASM_OUTPUT_DWARF_DELTA |
185 | ASM_OUTPUT_DWARF_DELTA (asm_out_file, size, lab1, lab2); |
186 | #else |
187 | dw2_assemble_integer (size, |
188 | gen_rtx_MINUS (Pmode, |
189 | gen_rtx_SYMBOL_REF (Pmode, lab1), |
190 | gen_rtx_SYMBOL_REF (Pmode, lab2))); |
191 | #endif |
192 | if (flag_debug_asm && comment) |
193 | { |
194 | fprintf (stream: asm_out_file, format: "\t%s " , ASM_COMMENT_START); |
195 | vfprintf (s: asm_out_file, format: comment, arg: ap); |
196 | } |
197 | fputc (c: '\n', stream: asm_out_file); |
198 | |
199 | va_end (ap); |
200 | } |
201 | |
202 | #ifdef ASM_OUTPUT_DWARF_VMS_DELTA |
203 | /* Output the difference between two symbols in instruction units |
204 | in a given size. */ |
205 | |
206 | void |
207 | dw2_asm_output_vms_delta (int size ATTRIBUTE_UNUSED, |
208 | const char *lab1, const char *lab2, |
209 | const char *comment, ...) |
210 | { |
211 | va_list ap; |
212 | |
213 | va_start (ap, comment); |
214 | |
215 | ASM_OUTPUT_DWARF_VMS_DELTA (asm_out_file, size, lab1, lab2); |
216 | if (flag_debug_asm && comment) |
217 | { |
218 | fprintf (asm_out_file, "\t%s " , ASM_COMMENT_START); |
219 | vfprintf (asm_out_file, comment, ap); |
220 | } |
221 | fputc ('\n', asm_out_file); |
222 | |
223 | va_end (ap); |
224 | } |
225 | #endif |
226 | |
227 | /* Output a section-relative reference to a LABEL, which was placed in |
228 | BASE. In general this can only be done for debugging symbols. |
229 | E.g. on most targets with the GNU linker, this is accomplished with |
230 | a direct reference and the knowledge that the debugging section |
231 | will be placed at VMA 0. Some targets have special relocations for |
232 | this that we must use. */ |
233 | |
234 | void |
235 | dw2_asm_output_offset (int size, const char *label, |
236 | section *base ATTRIBUTE_UNUSED, |
237 | const char *, ...) |
238 | { |
239 | va_list ap; |
240 | |
241 | va_start (ap, comment); |
242 | |
243 | #ifdef ASM_OUTPUT_DWARF_OFFSET |
244 | ASM_OUTPUT_DWARF_OFFSET (asm_out_file, size, label, 0, base); |
245 | #else |
246 | dw2_assemble_integer (size, gen_rtx_SYMBOL_REF (Pmode, label)); |
247 | #endif |
248 | |
249 | if (flag_debug_asm && comment) |
250 | { |
251 | fprintf (stream: asm_out_file, format: "\t%s " , ASM_COMMENT_START); |
252 | vfprintf (s: asm_out_file, format: comment, arg: ap); |
253 | } |
254 | fputc (c: '\n', stream: asm_out_file); |
255 | |
256 | va_end (ap); |
257 | } |
258 | |
259 | void |
260 | dw2_asm_output_offset (int size, const char *label, HOST_WIDE_INT offset, |
261 | section *base ATTRIBUTE_UNUSED, |
262 | const char *, ...) |
263 | { |
264 | va_list ap; |
265 | |
266 | va_start (ap, comment); |
267 | |
268 | #ifdef ASM_OUTPUT_DWARF_OFFSET |
269 | ASM_OUTPUT_DWARF_OFFSET (asm_out_file, size, label, offset, base); |
270 | #else |
271 | dw2_assemble_integer (size, gen_rtx_PLUS (Pmode, |
272 | gen_rtx_SYMBOL_REF (Pmode, label), |
273 | gen_int_mode (offset, Pmode))); |
274 | #endif |
275 | |
276 | if (flag_debug_asm && comment) |
277 | { |
278 | fprintf (stream: asm_out_file, format: "\t%s " , ASM_COMMENT_START); |
279 | vfprintf (s: asm_out_file, format: comment, arg: ap); |
280 | } |
281 | fputc (c: '\n', stream: asm_out_file); |
282 | |
283 | va_end (ap); |
284 | } |
285 | |
286 | #if 0 |
287 | |
288 | /* Output a self-relative reference to a label, possibly in a |
289 | different section or object file. */ |
290 | |
291 | void |
292 | dw2_asm_output_pcrel (int size ATTRIBUTE_UNUSED, |
293 | const char *label ATTRIBUTE_UNUSED, |
294 | const char *comment, ...) |
295 | { |
296 | va_list ap; |
297 | |
298 | va_start (ap, comment); |
299 | |
300 | #ifdef ASM_OUTPUT_DWARF_PCREL |
301 | ASM_OUTPUT_DWARF_PCREL (asm_out_file, size, label); |
302 | #else |
303 | dw2_assemble_integer (size, |
304 | gen_rtx_MINUS (Pmode, |
305 | gen_rtx_SYMBOL_REF (Pmode, label), |
306 | pc_rtx)); |
307 | #endif |
308 | |
309 | if (flag_debug_asm && comment) |
310 | { |
311 | fprintf (asm_out_file, "\t%s " , ASM_COMMENT_START); |
312 | vfprintf (asm_out_file, comment, ap); |
313 | } |
314 | fputc ('\n', asm_out_file); |
315 | |
316 | va_end (ap); |
317 | } |
318 | #endif /* 0 */ |
319 | |
320 | /* Output an absolute reference to a label. */ |
321 | |
322 | void |
323 | dw2_asm_output_addr (int size, const char *label, |
324 | const char *, ...) |
325 | { |
326 | va_list ap; |
327 | |
328 | va_start (ap, comment); |
329 | |
330 | dw2_assemble_integer (size, gen_rtx_SYMBOL_REF (Pmode, label)); |
331 | |
332 | if (flag_debug_asm && comment) |
333 | { |
334 | fprintf (stream: asm_out_file, format: "\t%s " , ASM_COMMENT_START); |
335 | vfprintf (s: asm_out_file, format: comment, arg: ap); |
336 | } |
337 | fputc (c: '\n', stream: asm_out_file); |
338 | |
339 | va_end (ap); |
340 | } |
341 | |
342 | /* Similar, but use an RTX expression instead of a text label. */ |
343 | |
344 | void |
345 | dw2_asm_output_addr_rtx (int size, rtx addr, |
346 | const char *, ...) |
347 | { |
348 | va_list ap; |
349 | |
350 | va_start (ap, comment); |
351 | |
352 | dw2_assemble_integer (size, x: addr); |
353 | |
354 | if (flag_debug_asm && comment) |
355 | { |
356 | fprintf (stream: asm_out_file, format: "\t%s " , ASM_COMMENT_START); |
357 | vfprintf (s: asm_out_file, format: comment, arg: ap); |
358 | } |
359 | fputc (c: '\n', stream: asm_out_file); |
360 | |
361 | va_end (ap); |
362 | } |
363 | |
364 | /* Output the first ORIG_LEN characters of STR as a string. |
365 | If ORIG_LEN is equal to -1, ignore this parameter and output |
366 | the entire STR instead. |
367 | If COMMENT is not NULL and comments in the debug information |
368 | have been requested by the user, append the given COMMENT |
369 | to the generated output. */ |
370 | |
371 | void |
372 | dw2_asm_output_nstring (const char *str, size_t orig_len, |
373 | const char *, ...) |
374 | { |
375 | size_t i, len; |
376 | va_list ap; |
377 | |
378 | va_start (ap, comment); |
379 | |
380 | len = orig_len; |
381 | |
382 | if (len == (size_t) -1) |
383 | len = strlen (s: str); |
384 | |
385 | if (flag_debug_asm && comment) |
386 | { |
387 | if (XCOFF_DEBUGGING_INFO) |
388 | fputs (s: "\t.byte \"" , stream: asm_out_file); |
389 | else |
390 | fputs (s: "\t.ascii \"" , stream: asm_out_file); |
391 | |
392 | for (i = 0; i < len; i++) |
393 | { |
394 | int c = str[i]; |
395 | if (c == '\"') |
396 | fputc (XCOFF_DEBUGGING_INFO ? '\"' : '\\', stream: asm_out_file); |
397 | else if (c == '\\') |
398 | fputc (c: '\\', stream: asm_out_file); |
399 | if (ISPRINT (c)) |
400 | fputc (c: c, stream: asm_out_file); |
401 | else |
402 | fprintf (stream: asm_out_file, format: "\\%o" , c); |
403 | } |
404 | fprintf (stream: asm_out_file, format: "\\0\"\t%s " , ASM_COMMENT_START); |
405 | vfprintf (s: asm_out_file, format: comment, arg: ap); |
406 | fputc (c: '\n', stream: asm_out_file); |
407 | } |
408 | else |
409 | { |
410 | /* If an explicit length was given, we can't assume there |
411 | is a null termination in the string buffer. */ |
412 | if (orig_len == (size_t) -1) |
413 | len += 1; |
414 | ASM_OUTPUT_ASCII (asm_out_file, str, len); |
415 | if (orig_len != (size_t) -1) |
416 | assemble_integer (const0_rtx, 1, BITS_PER_UNIT, 1); |
417 | } |
418 | |
419 | va_end (ap); |
420 | } |
421 | |
422 | |
423 | /* Return the size of an unsigned LEB128 quantity. */ |
424 | |
425 | int |
426 | size_of_uleb128 (unsigned HOST_WIDE_INT value) |
427 | { |
428 | int size = 0; |
429 | |
430 | do |
431 | { |
432 | value >>= 7; |
433 | size += 1; |
434 | } |
435 | while (value != 0); |
436 | |
437 | return size; |
438 | } |
439 | |
440 | /* Return the size of a signed LEB128 quantity. */ |
441 | |
442 | int |
443 | size_of_sleb128 (HOST_WIDE_INT value) |
444 | { |
445 | int size = 0, byte; |
446 | |
447 | do |
448 | { |
449 | byte = (value & 0x7f); |
450 | value >>= 7; |
451 | size += 1; |
452 | } |
453 | while (!((value == 0 && (byte & 0x40) == 0) |
454 | || (value == -1 && (byte & 0x40) != 0))); |
455 | |
456 | return size; |
457 | } |
458 | |
459 | /* Given an encoding, return the number of bytes the format occupies. |
460 | This is only defined for fixed-size encodings, and so does not |
461 | include leb128. */ |
462 | |
463 | int |
464 | size_of_encoded_value (int encoding) |
465 | { |
466 | if (encoding == DW_EH_PE_omit) |
467 | return 0; |
468 | |
469 | switch (encoding & 0x07) |
470 | { |
471 | case DW_EH_PE_absptr: |
472 | return POINTER_SIZE_UNITS; |
473 | case DW_EH_PE_udata2: |
474 | return 2; |
475 | case DW_EH_PE_udata4: |
476 | return 4; |
477 | case DW_EH_PE_udata8: |
478 | return 8; |
479 | default: |
480 | gcc_unreachable (); |
481 | } |
482 | } |
483 | |
484 | /* Yield a name for a given pointer encoding. */ |
485 | |
486 | const char * |
487 | eh_data_format_name (int format) |
488 | { |
489 | #if HAVE_DESIGNATED_INITIALIZERS |
490 | #define S(p, v) [p] = v, |
491 | #else |
492 | #define S(p, v) case p: return v; |
493 | #endif |
494 | |
495 | #if HAVE_DESIGNATED_INITIALIZERS |
496 | __extension__ static const char * const format_names[256] = { |
497 | #else |
498 | switch (format) { |
499 | #endif |
500 | |
501 | S(DW_EH_PE_absptr, "absolute" ) |
502 | S(DW_EH_PE_omit, "omit" ) |
503 | S(DW_EH_PE_aligned, "aligned absolute" ) |
504 | |
505 | S(DW_EH_PE_uleb128, "uleb128" ) |
506 | S(DW_EH_PE_udata2, "udata2" ) |
507 | S(DW_EH_PE_udata4, "udata4" ) |
508 | S(DW_EH_PE_udata8, "udata8" ) |
509 | S(DW_EH_PE_sleb128, "sleb128" ) |
510 | S(DW_EH_PE_sdata2, "sdata2" ) |
511 | S(DW_EH_PE_sdata4, "sdata4" ) |
512 | S(DW_EH_PE_sdata8, "sdata8" ) |
513 | |
514 | S(DW_EH_PE_absptr | DW_EH_PE_pcrel, "pcrel" ) |
515 | S(DW_EH_PE_uleb128 | DW_EH_PE_pcrel, "pcrel uleb128" ) |
516 | S(DW_EH_PE_udata2 | DW_EH_PE_pcrel, "pcrel udata2" ) |
517 | S(DW_EH_PE_udata4 | DW_EH_PE_pcrel, "pcrel udata4" ) |
518 | S(DW_EH_PE_udata8 | DW_EH_PE_pcrel, "pcrel udata8" ) |
519 | S(DW_EH_PE_sleb128 | DW_EH_PE_pcrel, "pcrel sleb128" ) |
520 | S(DW_EH_PE_sdata2 | DW_EH_PE_pcrel, "pcrel sdata2" ) |
521 | S(DW_EH_PE_sdata4 | DW_EH_PE_pcrel, "pcrel sdata4" ) |
522 | S(DW_EH_PE_sdata8 | DW_EH_PE_pcrel, "pcrel sdata8" ) |
523 | |
524 | S(DW_EH_PE_absptr | DW_EH_PE_textrel, "textrel" ) |
525 | S(DW_EH_PE_uleb128 | DW_EH_PE_textrel, "textrel uleb128" ) |
526 | S(DW_EH_PE_udata2 | DW_EH_PE_textrel, "textrel udata2" ) |
527 | S(DW_EH_PE_udata4 | DW_EH_PE_textrel, "textrel udata4" ) |
528 | S(DW_EH_PE_udata8 | DW_EH_PE_textrel, "textrel udata8" ) |
529 | S(DW_EH_PE_sleb128 | DW_EH_PE_textrel, "textrel sleb128" ) |
530 | S(DW_EH_PE_sdata2 | DW_EH_PE_textrel, "textrel sdata2" ) |
531 | S(DW_EH_PE_sdata4 | DW_EH_PE_textrel, "textrel sdata4" ) |
532 | S(DW_EH_PE_sdata8 | DW_EH_PE_textrel, "textrel sdata8" ) |
533 | |
534 | S(DW_EH_PE_absptr | DW_EH_PE_datarel, "datarel" ) |
535 | S(DW_EH_PE_uleb128 | DW_EH_PE_datarel, "datarel uleb128" ) |
536 | S(DW_EH_PE_udata2 | DW_EH_PE_datarel, "datarel udata2" ) |
537 | S(DW_EH_PE_udata4 | DW_EH_PE_datarel, "datarel udata4" ) |
538 | S(DW_EH_PE_udata8 | DW_EH_PE_datarel, "datarel udata8" ) |
539 | S(DW_EH_PE_sleb128 | DW_EH_PE_datarel, "datarel sleb128" ) |
540 | S(DW_EH_PE_sdata2 | DW_EH_PE_datarel, "datarel sdata2" ) |
541 | S(DW_EH_PE_sdata4 | DW_EH_PE_datarel, "datarel sdata4" ) |
542 | S(DW_EH_PE_sdata8 | DW_EH_PE_datarel, "datarel sdata8" ) |
543 | |
544 | S(DW_EH_PE_absptr | DW_EH_PE_funcrel, "funcrel" ) |
545 | S(DW_EH_PE_uleb128 | DW_EH_PE_funcrel, "funcrel uleb128" ) |
546 | S(DW_EH_PE_udata2 | DW_EH_PE_funcrel, "funcrel udata2" ) |
547 | S(DW_EH_PE_udata4 | DW_EH_PE_funcrel, "funcrel udata4" ) |
548 | S(DW_EH_PE_udata8 | DW_EH_PE_funcrel, "funcrel udata8" ) |
549 | S(DW_EH_PE_sleb128 | DW_EH_PE_funcrel, "funcrel sleb128" ) |
550 | S(DW_EH_PE_sdata2 | DW_EH_PE_funcrel, "funcrel sdata2" ) |
551 | S(DW_EH_PE_sdata4 | DW_EH_PE_funcrel, "funcrel sdata4" ) |
552 | S(DW_EH_PE_sdata8 | DW_EH_PE_funcrel, "funcrel sdata8" ) |
553 | |
554 | S(DW_EH_PE_indirect | DW_EH_PE_absptr, "indirect absolute" ) |
555 | |
556 | S(DW_EH_PE_indirect | DW_EH_PE_absptr | DW_EH_PE_pcrel, |
557 | "indirect pcrel" ) |
558 | S(DW_EH_PE_indirect | DW_EH_PE_uleb128 | DW_EH_PE_pcrel, |
559 | "indirect pcrel uleb128" ) |
560 | S(DW_EH_PE_indirect | DW_EH_PE_udata2 | DW_EH_PE_pcrel, |
561 | "indirect pcrel udata2" ) |
562 | S(DW_EH_PE_indirect | DW_EH_PE_udata4 | DW_EH_PE_pcrel, |
563 | "indirect pcrel udata4" ) |
564 | S(DW_EH_PE_indirect | DW_EH_PE_udata8 | DW_EH_PE_pcrel, |
565 | "indirect pcrel udata8" ) |
566 | S(DW_EH_PE_indirect | DW_EH_PE_sleb128 | DW_EH_PE_pcrel, |
567 | "indirect pcrel sleb128" ) |
568 | S(DW_EH_PE_indirect | DW_EH_PE_sdata2 | DW_EH_PE_pcrel, |
569 | "indirect pcrel sdata2" ) |
570 | S(DW_EH_PE_indirect | DW_EH_PE_sdata4 | DW_EH_PE_pcrel, |
571 | "indirect pcrel sdata4" ) |
572 | S(DW_EH_PE_indirect | DW_EH_PE_sdata8 | DW_EH_PE_pcrel, |
573 | "indirect pcrel sdata8" ) |
574 | |
575 | S(DW_EH_PE_indirect | DW_EH_PE_absptr | DW_EH_PE_textrel, |
576 | "indirect textrel" ) |
577 | S(DW_EH_PE_indirect | DW_EH_PE_uleb128 | DW_EH_PE_textrel, |
578 | "indirect textrel uleb128" ) |
579 | S(DW_EH_PE_indirect | DW_EH_PE_udata2 | DW_EH_PE_textrel, |
580 | "indirect textrel udata2" ) |
581 | S(DW_EH_PE_indirect | DW_EH_PE_udata4 | DW_EH_PE_textrel, |
582 | "indirect textrel udata4" ) |
583 | S(DW_EH_PE_indirect | DW_EH_PE_udata8 | DW_EH_PE_textrel, |
584 | "indirect textrel udata8" ) |
585 | S(DW_EH_PE_indirect | DW_EH_PE_sleb128 | DW_EH_PE_textrel, |
586 | "indirect textrel sleb128" ) |
587 | S(DW_EH_PE_indirect | DW_EH_PE_sdata2 | DW_EH_PE_textrel, |
588 | "indirect textrel sdata2" ) |
589 | S(DW_EH_PE_indirect | DW_EH_PE_sdata4 | DW_EH_PE_textrel, |
590 | "indirect textrel sdata4" ) |
591 | S(DW_EH_PE_indirect | DW_EH_PE_sdata8 | DW_EH_PE_textrel, |
592 | "indirect textrel sdata8" ) |
593 | |
594 | S(DW_EH_PE_indirect | DW_EH_PE_absptr | DW_EH_PE_datarel, |
595 | "indirect datarel" ) |
596 | S(DW_EH_PE_indirect | DW_EH_PE_uleb128 | DW_EH_PE_datarel, |
597 | "indirect datarel uleb128" ) |
598 | S(DW_EH_PE_indirect | DW_EH_PE_udata2 | DW_EH_PE_datarel, |
599 | "indirect datarel udata2" ) |
600 | S(DW_EH_PE_indirect | DW_EH_PE_udata4 | DW_EH_PE_datarel, |
601 | "indirect datarel udata4" ) |
602 | S(DW_EH_PE_indirect | DW_EH_PE_udata8 | DW_EH_PE_datarel, |
603 | "indirect datarel udata8" ) |
604 | S(DW_EH_PE_indirect | DW_EH_PE_sleb128 | DW_EH_PE_datarel, |
605 | "indirect datarel sleb128" ) |
606 | S(DW_EH_PE_indirect | DW_EH_PE_sdata2 | DW_EH_PE_datarel, |
607 | "indirect datarel sdata2" ) |
608 | S(DW_EH_PE_indirect | DW_EH_PE_sdata4 | DW_EH_PE_datarel, |
609 | "indirect datarel sdata4" ) |
610 | S(DW_EH_PE_indirect | DW_EH_PE_sdata8 | DW_EH_PE_datarel, |
611 | "indirect datarel sdata8" ) |
612 | |
613 | S(DW_EH_PE_indirect | DW_EH_PE_absptr | DW_EH_PE_funcrel, |
614 | "indirect funcrel" ) |
615 | S(DW_EH_PE_indirect | DW_EH_PE_uleb128 | DW_EH_PE_funcrel, |
616 | "indirect funcrel uleb128" ) |
617 | S(DW_EH_PE_indirect | DW_EH_PE_udata2 | DW_EH_PE_funcrel, |
618 | "indirect funcrel udata2" ) |
619 | S(DW_EH_PE_indirect | DW_EH_PE_udata4 | DW_EH_PE_funcrel, |
620 | "indirect funcrel udata4" ) |
621 | S(DW_EH_PE_indirect | DW_EH_PE_udata8 | DW_EH_PE_funcrel, |
622 | "indirect funcrel udata8" ) |
623 | S(DW_EH_PE_indirect | DW_EH_PE_sleb128 | DW_EH_PE_funcrel, |
624 | "indirect funcrel sleb128" ) |
625 | S(DW_EH_PE_indirect | DW_EH_PE_sdata2 | DW_EH_PE_funcrel, |
626 | "indirect funcrel sdata2" ) |
627 | S(DW_EH_PE_indirect | DW_EH_PE_sdata4 | DW_EH_PE_funcrel, |
628 | "indirect funcrel sdata4" ) |
629 | S(DW_EH_PE_indirect | DW_EH_PE_sdata8 | DW_EH_PE_funcrel, |
630 | "indirect funcrel sdata8" ) |
631 | |
632 | #if HAVE_DESIGNATED_INITIALIZERS |
633 | }; |
634 | |
635 | gcc_assert (format >= 0 && format < 0x100 && format_names[format]); |
636 | |
637 | return format_names[format]; |
638 | #else |
639 | } |
640 | gcc_unreachable (); |
641 | #endif |
642 | } |
643 | |
644 | /* Output an unsigned LEB128 quantity, but only the byte values. */ |
645 | |
646 | void |
647 | dw2_asm_output_data_uleb128_raw (unsigned HOST_WIDE_INT value) |
648 | { |
649 | while (1) |
650 | { |
651 | int byte = (value & 0x7f); |
652 | value >>= 7; |
653 | if (value != 0) |
654 | /* More bytes to follow. */ |
655 | byte |= 0x80; |
656 | |
657 | fprintf (stream: asm_out_file, format: "%#x" , byte); |
658 | if (value == 0) |
659 | break; |
660 | fputc (c: ',', stream: asm_out_file); |
661 | } |
662 | } |
663 | |
664 | /* Output an unsigned LEB128 quantity. */ |
665 | |
666 | void |
667 | dw2_asm_output_data_uleb128 (unsigned HOST_WIDE_INT value, |
668 | const char *, ...) |
669 | { |
670 | va_list ap; |
671 | |
672 | va_start (ap, comment); |
673 | |
674 | if (HAVE_AS_LEB128) |
675 | { |
676 | fputs (s: "\t.uleb128 " , stream: asm_out_file); |
677 | fprint_whex (asm_out_file, value); |
678 | |
679 | if (flag_debug_asm && comment) |
680 | { |
681 | fprintf (stream: asm_out_file, format: "\t%s " , ASM_COMMENT_START); |
682 | vfprintf (s: asm_out_file, format: comment, arg: ap); |
683 | } |
684 | } |
685 | else |
686 | { |
687 | unsigned HOST_WIDE_INT work = value; |
688 | const char *byte_op = targetm.asm_out.byte_op; |
689 | |
690 | if (byte_op) |
691 | fputs (s: byte_op, stream: asm_out_file); |
692 | do |
693 | { |
694 | int byte = (work & 0x7f); |
695 | work >>= 7; |
696 | if (work != 0) |
697 | /* More bytes to follow. */ |
698 | byte |= 0x80; |
699 | |
700 | if (byte_op) |
701 | { |
702 | fprintf (stream: asm_out_file, format: "%#x" , byte); |
703 | if (work != 0) |
704 | fputc (c: ',', stream: asm_out_file); |
705 | } |
706 | else |
707 | assemble_integer (GEN_INT (byte), 1, BITS_PER_UNIT, 1); |
708 | } |
709 | while (work != 0); |
710 | |
711 | if (flag_debug_asm) |
712 | { |
713 | fprintf (stream: asm_out_file, format: "\t%s uleb128 " HOST_WIDE_INT_PRINT_HEX, |
714 | ASM_COMMENT_START, value); |
715 | if (comment) |
716 | { |
717 | fputs (s: "; " , stream: asm_out_file); |
718 | vfprintf (s: asm_out_file, format: comment, arg: ap); |
719 | } |
720 | } |
721 | } |
722 | |
723 | putc (c: '\n', stream: asm_out_file); |
724 | |
725 | va_end (ap); |
726 | } |
727 | |
728 | /* Output an signed LEB128 quantity, but only the byte values. */ |
729 | |
730 | void |
731 | dw2_asm_output_data_sleb128_raw (HOST_WIDE_INT value) |
732 | { |
733 | int byte, more; |
734 | |
735 | while (1) |
736 | { |
737 | byte = (value & 0x7f); |
738 | value >>= 7; |
739 | more = !((value == 0 && (byte & 0x40) == 0) |
740 | || (value == -1 && (byte & 0x40) != 0)); |
741 | if (more) |
742 | byte |= 0x80; |
743 | |
744 | fprintf (stream: asm_out_file, format: "%#x" , byte); |
745 | if (!more) |
746 | break; |
747 | fputc (c: ',', stream: asm_out_file); |
748 | } |
749 | } |
750 | |
751 | /* Output a signed LEB128 quantity. */ |
752 | |
753 | void |
754 | dw2_asm_output_data_sleb128 (HOST_WIDE_INT value, |
755 | const char *, ...) |
756 | { |
757 | va_list ap; |
758 | |
759 | va_start (ap, comment); |
760 | |
761 | if (HAVE_AS_LEB128) |
762 | { |
763 | fprintf (stream: asm_out_file, format: "\t.sleb128 " HOST_WIDE_INT_PRINT_DEC, value); |
764 | |
765 | if (flag_debug_asm && comment) |
766 | { |
767 | fprintf (stream: asm_out_file, format: "\t%s " , ASM_COMMENT_START); |
768 | vfprintf (s: asm_out_file, format: comment, arg: ap); |
769 | } |
770 | } |
771 | else |
772 | { |
773 | HOST_WIDE_INT work = value; |
774 | int more, byte; |
775 | const char *byte_op = targetm.asm_out.byte_op; |
776 | |
777 | if (byte_op) |
778 | fputs (s: byte_op, stream: asm_out_file); |
779 | do |
780 | { |
781 | byte = (work & 0x7f); |
782 | /* arithmetic shift */ |
783 | work >>= 7; |
784 | more = !((work == 0 && (byte & 0x40) == 0) |
785 | || (work == -1 && (byte & 0x40) != 0)); |
786 | if (more) |
787 | byte |= 0x80; |
788 | |
789 | if (byte_op) |
790 | { |
791 | fprintf (stream: asm_out_file, format: "%#x" , byte); |
792 | if (more) |
793 | fputc (c: ',', stream: asm_out_file); |
794 | } |
795 | else |
796 | assemble_integer (GEN_INT (byte), 1, BITS_PER_UNIT, 1); |
797 | } |
798 | while (more); |
799 | |
800 | if (flag_debug_asm) |
801 | { |
802 | fprintf (stream: asm_out_file, format: "\t%s sleb128 " HOST_WIDE_INT_PRINT_DEC, |
803 | ASM_COMMENT_START, value); |
804 | if (comment) |
805 | { |
806 | fputs (s: "; " , stream: asm_out_file); |
807 | vfprintf (s: asm_out_file, format: comment, arg: ap); |
808 | } |
809 | } |
810 | } |
811 | |
812 | fputc (c: '\n', stream: asm_out_file); |
813 | |
814 | va_end (ap); |
815 | } |
816 | |
817 | /* Output symbol LAB1 as an unsigned LEB128 quantity. LAB1 should be |
818 | an assembler-computed constant, e.g. a view number, because we |
819 | can't have relocations in LEB128 quantities. */ |
820 | |
821 | void |
822 | dw2_asm_output_symname_uleb128 (const char *lab1 ATTRIBUTE_UNUSED, |
823 | const char *, ...) |
824 | { |
825 | va_list ap; |
826 | |
827 | va_start (ap, comment); |
828 | |
829 | #ifdef HAVE_AS_LEB128 |
830 | fputs (s: "\t.uleb128 " , stream: asm_out_file); |
831 | assemble_name (asm_out_file, lab1); |
832 | #else |
833 | gcc_unreachable (); |
834 | #endif |
835 | |
836 | if (flag_debug_asm && comment) |
837 | { |
838 | fprintf (stream: asm_out_file, format: "\t%s " , ASM_COMMENT_START); |
839 | vfprintf (s: asm_out_file, format: comment, arg: ap); |
840 | } |
841 | fputc (c: '\n', stream: asm_out_file); |
842 | |
843 | va_end (ap); |
844 | } |
845 | |
846 | void |
847 | dw2_asm_output_delta_uleb128 (const char *lab1 ATTRIBUTE_UNUSED, |
848 | const char *lab2 ATTRIBUTE_UNUSED, |
849 | const char *, ...) |
850 | { |
851 | va_list ap; |
852 | |
853 | va_start (ap, comment); |
854 | |
855 | gcc_assert (HAVE_AS_LEB128); |
856 | |
857 | fputs (s: "\t.uleb128 " , stream: asm_out_file); |
858 | assemble_name (asm_out_file, lab1); |
859 | putc (c: '-', stream: asm_out_file); |
860 | /* dwarf2out.cc might give us a label expression (e.g. .LVL548-1) |
861 | as second argument. If so, make it a subexpression, to make |
862 | sure the substraction is done in the right order. */ |
863 | if (strchr (s: lab2, c: '-') != NULL) |
864 | { |
865 | putc (c: '(', stream: asm_out_file); |
866 | assemble_name (asm_out_file, lab2); |
867 | putc (c: ')', stream: asm_out_file); |
868 | } |
869 | else |
870 | assemble_name (asm_out_file, lab2); |
871 | |
872 | if (flag_debug_asm && comment) |
873 | { |
874 | fprintf (stream: asm_out_file, format: "\t%s " , ASM_COMMENT_START); |
875 | vfprintf (s: asm_out_file, format: comment, arg: ap); |
876 | } |
877 | fputc (c: '\n', stream: asm_out_file); |
878 | |
879 | va_end (ap); |
880 | } |
881 | |
882 | #if 0 |
883 | |
884 | void |
885 | dw2_asm_output_delta_sleb128 (const char *lab1 ATTRIBUTE_UNUSED, |
886 | const char *lab2 ATTRIBUTE_UNUSED, |
887 | const char *comment, ...) |
888 | { |
889 | va_list ap; |
890 | |
891 | va_start (ap, comment); |
892 | |
893 | gcc_assert (HAVE_AS_LEB128); |
894 | |
895 | fputs ("\t.sleb128 " , asm_out_file); |
896 | assemble_name (asm_out_file, lab1); |
897 | putc ('-', asm_out_file); |
898 | assemble_name (asm_out_file, lab2); |
899 | |
900 | if (flag_debug_asm && comment) |
901 | { |
902 | fprintf (asm_out_file, "\t%s " , ASM_COMMENT_START); |
903 | vfprintf (asm_out_file, comment, ap); |
904 | } |
905 | fputc ('\n', asm_out_file); |
906 | |
907 | va_end (ap); |
908 | } |
909 | #endif /* 0 */ |
910 | |
911 | static GTY(()) hash_map<const char *, tree> *indirect_pool; |
912 | |
913 | static GTY(()) int dw2_const_labelno; |
914 | |
915 | #if defined(HAVE_GAS_HIDDEN) |
916 | # define USE_LINKONCE_INDIRECT (SUPPORTS_ONE_ONLY && !XCOFF_DEBUGGING_INFO) |
917 | #else |
918 | # define USE_LINKONCE_INDIRECT 0 |
919 | #endif |
920 | |
921 | /* Compare two std::pair<const char *, tree> by their first element. |
922 | Returns <0, 0, or |
923 | >0 to indicate whether K1 is less than, equal to, or greater than |
924 | K2, respectively. */ |
925 | |
926 | static int |
927 | compare_strings (const void *a, const void *b) |
928 | { |
929 | const char *s1 = ((const std::pair<const char *, tree> *) a)->first; |
930 | const char *s2 = ((const std::pair<const char *, tree> *) b)->first; |
931 | int ret; |
932 | |
933 | if (s1 == s2) |
934 | return 0; |
935 | |
936 | ret = strcmp (s1: s1, s2: s2); |
937 | |
938 | /* The strings are always those from IDENTIFIER_NODEs, and, |
939 | therefore, we should never have two copies of the same |
940 | string. */ |
941 | gcc_assert (ret); |
942 | |
943 | return ret; |
944 | } |
945 | |
946 | /* Put X, a SYMBOL_REF, in memory. Return a SYMBOL_REF to the allocated |
947 | memory. Differs from force_const_mem in that a single pool is used for |
948 | the entire unit of translation, and the memory is not guaranteed to be |
949 | "near" the function in any interesting sense. IS_PUBLIC controls whether |
950 | the symbol can be shared across the entire application (or DSO). */ |
951 | |
952 | rtx |
953 | dw2_force_const_mem (rtx x, bool is_public) |
954 | { |
955 | const char *key; |
956 | tree decl_id; |
957 | |
958 | if (! indirect_pool) |
959 | indirect_pool = hash_map<const char *, tree>::create_ggc (size: 64); |
960 | |
961 | gcc_assert (GET_CODE (x) == SYMBOL_REF); |
962 | |
963 | key = XSTR (x, 0); |
964 | tree *slot = indirect_pool->get (k: key); |
965 | if (slot) |
966 | decl_id = *slot; |
967 | else |
968 | { |
969 | tree id; |
970 | const char *str = targetm.strip_name_encoding (key); |
971 | |
972 | if (is_public && USE_LINKONCE_INDIRECT) |
973 | { |
974 | char *ref_name = XALLOCAVEC (char, strlen (str) + sizeof "DW.ref." ); |
975 | |
976 | sprintf (s: ref_name, format: "DW.ref.%s" , str); |
977 | gcc_assert (!maybe_get_identifier (ref_name)); |
978 | decl_id = get_identifier (ref_name); |
979 | TREE_PUBLIC (decl_id) = 1; |
980 | } |
981 | else |
982 | { |
983 | char label[32]; |
984 | |
985 | ASM_GENERATE_INTERNAL_LABEL (label, "LDFCM" , dw2_const_labelno); |
986 | ++dw2_const_labelno; |
987 | gcc_assert (!maybe_get_identifier (label)); |
988 | decl_id = get_identifier (label); |
989 | } |
990 | |
991 | id = maybe_get_identifier (str); |
992 | if (id) |
993 | TREE_SYMBOL_REFERENCED (id) = 1; |
994 | |
995 | indirect_pool->put (k: key, v: decl_id); |
996 | } |
997 | |
998 | return gen_rtx_SYMBOL_REF (Pmode, IDENTIFIER_POINTER (decl_id)); |
999 | } |
1000 | |
1001 | /* A helper function for dw2_output_indirect_constants. Emit one queued |
1002 | constant to memory. */ |
1003 | |
1004 | static int |
1005 | dw2_output_indirect_constant_1 (const char *sym, tree id) |
1006 | { |
1007 | rtx sym_ref; |
1008 | tree decl; |
1009 | |
1010 | decl = build_decl (UNKNOWN_LOCATION, VAR_DECL, id, ptr_type_node); |
1011 | SET_DECL_ASSEMBLER_NAME (decl, id); |
1012 | DECL_ARTIFICIAL (decl) = 1; |
1013 | DECL_IGNORED_P (decl) = 1; |
1014 | DECL_INITIAL (decl) = build_fold_addr_expr (decl); |
1015 | TREE_READONLY (decl) = 1; |
1016 | TREE_STATIC (decl) = 1; |
1017 | |
1018 | if (TREE_PUBLIC (id)) |
1019 | { |
1020 | TREE_PUBLIC (decl) = 1; |
1021 | make_decl_one_only (decl, DECL_ASSEMBLER_NAME (decl)); |
1022 | if (USE_LINKONCE_INDIRECT) |
1023 | DECL_VISIBILITY (decl) = VISIBILITY_HIDDEN; |
1024 | } |
1025 | |
1026 | sym_ref = gen_rtx_SYMBOL_REF (Pmode, sym); |
1027 | /* Disable ASan for decl because redzones cause ABI breakage between GCC and |
1028 | libstdc++ for `.LDFCM*' variables. See PR 78651 for details. */ |
1029 | unsigned int save_flag_sanitize = flag_sanitize; |
1030 | flag_sanitize &= ~(SANITIZE_ADDRESS | SANITIZE_USER_ADDRESS |
1031 | | SANITIZE_KERNEL_ADDRESS); |
1032 | /* And also temporarily disable -fsection-anchors. These indirect constants |
1033 | are never referenced from code, so it doesn't make any sense to aggregate |
1034 | them in blocks. */ |
1035 | int save_flag_section_anchors = flag_section_anchors; |
1036 | flag_section_anchors = 0; |
1037 | assemble_variable (decl, 1, 1, 1); |
1038 | flag_section_anchors = save_flag_section_anchors; |
1039 | flag_sanitize = save_flag_sanitize; |
1040 | assemble_integer (sym_ref, POINTER_SIZE_UNITS, POINTER_SIZE, 1); |
1041 | /* The following is a hack recognized by use_blocks_for_decl_p to disable |
1042 | section anchor handling of the decl. */ |
1043 | DECL_INITIAL (decl) = decl; |
1044 | |
1045 | return 0; |
1046 | } |
1047 | |
1048 | /* Emit the constants queued through dw2_force_const_mem. */ |
1049 | |
1050 | void |
1051 | dw2_output_indirect_constants (void) |
1052 | { |
1053 | if (!indirect_pool) |
1054 | return; |
1055 | |
1056 | auto_vec<std::pair<const char *, tree> > temp (indirect_pool->elements ()); |
1057 | for (hash_map<const char *, tree>::iterator iter = indirect_pool->begin (); |
1058 | iter != indirect_pool->end (); ++iter) |
1059 | temp.quick_push (obj: *iter); |
1060 | |
1061 | temp.qsort (compare_strings); |
1062 | |
1063 | for (unsigned int i = 0; i < temp.length (); i++) |
1064 | dw2_output_indirect_constant_1 (sym: temp[i].first, id: temp[i].second); |
1065 | } |
1066 | |
1067 | /* Like dw2_asm_output_addr_rtx, but encode the pointer as directed. |
1068 | If PUBLIC is set and the encoding is DW_EH_PE_indirect, the indirect |
1069 | reference is shared across the entire application (or DSO). */ |
1070 | |
1071 | void |
1072 | dw2_asm_output_encoded_addr_rtx (int encoding, rtx addr, bool is_public, |
1073 | const char *, ...) |
1074 | { |
1075 | int size; |
1076 | va_list ap; |
1077 | |
1078 | va_start (ap, comment); |
1079 | |
1080 | size = size_of_encoded_value (encoding); |
1081 | |
1082 | if (encoding == DW_EH_PE_aligned) |
1083 | { |
1084 | assemble_align (POINTER_SIZE); |
1085 | assemble_integer (addr, size, POINTER_SIZE, 1); |
1086 | va_end (ap); |
1087 | return; |
1088 | } |
1089 | |
1090 | /* NULL is _always_ represented as a plain zero, as is 1 for Ada's |
1091 | "all others". */ |
1092 | if (addr == const0_rtx || addr == const1_rtx) |
1093 | assemble_integer (addr, size, BITS_PER_UNIT, 1); |
1094 | else |
1095 | { |
1096 | restart: |
1097 | /* Allow the target first crack at emitting this. Some of the |
1098 | special relocations require special directives instead of |
1099 | just ".4byte" or whatever. */ |
1100 | #ifdef ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX |
1101 | ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX (asm_out_file, encoding, size, |
1102 | addr, done); |
1103 | #endif |
1104 | |
1105 | /* Indirection is used to get dynamic relocations out of a |
1106 | read-only section. */ |
1107 | if (encoding & DW_EH_PE_indirect) |
1108 | { |
1109 | /* It is very tempting to use force_const_mem so that we share data |
1110 | with the normal constant pool. However, we've already emitted |
1111 | the constant pool for this function. Moreover, we'd like to |
1112 | share these constants across the entire unit of translation and |
1113 | even, if possible, across the entire application (or DSO). */ |
1114 | addr = dw2_force_const_mem (x: addr, is_public); |
1115 | encoding &= ~DW_EH_PE_indirect; |
1116 | goto restart; |
1117 | } |
1118 | |
1119 | switch (encoding & 0xF0) |
1120 | { |
1121 | case DW_EH_PE_absptr: |
1122 | dw2_assemble_integer (size, x: addr); |
1123 | break; |
1124 | |
1125 | #ifdef ASM_OUTPUT_DWARF_DATAREL |
1126 | case DW_EH_PE_datarel: |
1127 | gcc_assert (GET_CODE (addr) == SYMBOL_REF); |
1128 | ASM_OUTPUT_DWARF_DATAREL (asm_out_file, size, XSTR (addr, 0)); |
1129 | break; |
1130 | #endif |
1131 | |
1132 | case DW_EH_PE_pcrel: |
1133 | gcc_assert (GET_CODE (addr) == SYMBOL_REF); |
1134 | #ifdef ASM_OUTPUT_DWARF_PCREL |
1135 | ASM_OUTPUT_DWARF_PCREL (asm_out_file, size, XSTR (addr, 0)); |
1136 | #else |
1137 | dw2_assemble_integer (size, gen_rtx_MINUS (Pmode, addr, pc_rtx)); |
1138 | #endif |
1139 | break; |
1140 | |
1141 | default: |
1142 | /* Other encodings should have been handled by |
1143 | ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX. */ |
1144 | gcc_unreachable (); |
1145 | } |
1146 | |
1147 | #ifdef ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX |
1148 | done:; |
1149 | #endif |
1150 | } |
1151 | |
1152 | if (flag_debug_asm && comment) |
1153 | { |
1154 | fprintf (stream: asm_out_file, format: "\t%s " , ASM_COMMENT_START); |
1155 | vfprintf (s: asm_out_file, format: comment, arg: ap); |
1156 | } |
1157 | fputc (c: '\n', stream: asm_out_file); |
1158 | |
1159 | va_end (ap); |
1160 | } |
1161 | |
1162 | #include "gt-dwarf2asm.h" |
1163 | |