Commit | Line | Data |
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252b5132 | 1 | /* tc-hppa.c -- Assemble for the PA |
49309057 ILT |
2 | Copyright (C) 1989, 93, 94, 95, 96, 97, 98, 1999 |
3 | Free Software Foundation, Inc. | |
252b5132 RH |
4 | |
5 | This file is part of GAS, the GNU Assembler. | |
6 | ||
7 | GAS 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 | GAS 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 GAS; see the file COPYING. If not, write to the Free | |
19 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
20 | 02111-1307, USA. */ | |
21 | ||
22 | ||
23 | /* HP PA-RISC support was contributed by the Center for Software Science | |
24 | at the University of Utah. */ | |
25 | ||
26 | #include <stdio.h> | |
27 | #include <ctype.h> | |
28 | ||
29 | #include "as.h" | |
30 | #include "subsegs.h" | |
31 | ||
32 | #include "bfd/libhppa.h" | |
33 | #include "bfd/libbfd.h" | |
34 | ||
35 | /* Be careful, this file includes data *declarations*. */ | |
36 | #include "opcode/hppa.h" | |
37 | ||
49863f82 JL |
38 | #if defined (OBJ_ELF) && defined (OBJ_SOM) |
39 | error only one of OBJ_ELF and OBJ_SOM can be defined | |
40 | #endif | |
41 | ||
2d93dcc4 JL |
42 | /* If we are using ELF, then we probably can support dwarf2 debug |
43 | records. Furthermore, if we are supporting dwarf2 debug records, | |
44 | then we want to use the assembler support for compact line numbers. */ | |
45 | #ifdef OBJ_ELF | |
46 | #include "dwarf2dbg.h" | |
47 | struct dwarf2_line_info debug_line; | |
48 | #endif | |
49 | ||
252b5132 RH |
50 | /* A "convient" place to put object file dependencies which do |
51 | not need to be seen outside of tc-hppa.c. */ | |
52 | #ifdef OBJ_ELF | |
252b5132 | 53 | /* Object file formats specify relocation types. */ |
b388df87 | 54 | typedef elf_hppa_reloc_type reloc_type; |
252b5132 RH |
55 | |
56 | /* Object file formats specify BFD symbol types. */ | |
57 | typedef elf_symbol_type obj_symbol_type; | |
58 | ||
b388df87 | 59 | #ifdef BFD64 |
252b5132 | 60 | /* How to generate a relocation. */ |
b388df87 JL |
61 | #define hppa_gen_reloc_type _bfd_elf64_hppa_gen_reloc_type |
62 | #else | |
63 | #define hppa_gen_reloc_type _bfd_elf32_hppa_gen_reloc_type | |
64 | #endif | |
252b5132 RH |
65 | |
66 | /* ELF objects can have versions, but apparently do not have anywhere | |
67 | to store a copyright string. */ | |
68 | #define obj_version obj_elf_version | |
69 | #define obj_copyright obj_elf_version | |
46031ca9 JL |
70 | |
71 | #define UNWIND_SECTION_NAME ".PARISC.unwind" | |
252b5132 RH |
72 | #endif |
73 | ||
74 | #ifdef OBJ_SOM | |
75 | /* Names of various debugging spaces/subspaces. */ | |
76 | #define GDB_DEBUG_SPACE_NAME "$GDB_DEBUG$" | |
77 | #define GDB_STRINGS_SUBSPACE_NAME "$GDB_STRINGS$" | |
78 | #define GDB_SYMBOLS_SUBSPACE_NAME "$GDB_SYMBOLS$" | |
79 | #define UNWIND_SECTION_NAME "$UNWIND$" | |
80 | ||
81 | /* Object file formats specify relocation types. */ | |
82 | typedef int reloc_type; | |
83 | ||
84 | /* SOM objects can have both a version string and a copyright string. */ | |
85 | #define obj_version obj_som_version | |
86 | #define obj_copyright obj_som_copyright | |
87 | ||
252b5132 RH |
88 | /* How to generate a relocation. */ |
89 | #define hppa_gen_reloc_type hppa_som_gen_reloc_type | |
90 | ||
91 | /* Object file formats specify BFD symbol types. */ | |
92 | typedef som_symbol_type obj_symbol_type; | |
93 | ||
94 | /* This apparently isn't in older versions of hpux reloc.h. */ | |
95 | #ifndef R_DLT_REL | |
96 | #define R_DLT_REL 0x78 | |
97 | #endif | |
98 | #endif | |
99 | ||
100 | #ifndef R_N0SEL | |
101 | #define R_N0SEL 0xd8 | |
102 | #endif | |
103 | ||
104 | #ifndef R_N1SEL | |
105 | #define R_N1SEL 0xd9 | |
106 | #endif | |
107 | ||
108 | /* Various structures and types used internally in tc-hppa.c. */ | |
109 | ||
110 | /* Unwind table and descriptor. FIXME: Sync this with GDB version. */ | |
111 | ||
112 | struct unwind_desc | |
113 | { | |
114 | unsigned int cannot_unwind:1; | |
115 | unsigned int millicode:1; | |
116 | unsigned int millicode_save_rest:1; | |
117 | unsigned int region_desc:2; | |
118 | unsigned int save_sr:2; | |
119 | unsigned int entry_fr:4; | |
120 | unsigned int entry_gr:5; | |
121 | unsigned int args_stored:1; | |
122 | unsigned int call_fr:5; | |
123 | unsigned int call_gr:5; | |
124 | unsigned int save_sp:1; | |
125 | unsigned int save_rp:1; | |
126 | unsigned int save_rp_in_frame:1; | |
127 | unsigned int extn_ptr_defined:1; | |
128 | unsigned int cleanup_defined:1; | |
129 | ||
130 | unsigned int hpe_interrupt_marker:1; | |
131 | unsigned int hpux_interrupt_marker:1; | |
132 | unsigned int reserved:3; | |
133 | unsigned int frame_size:27; | |
134 | }; | |
135 | ||
136 | struct unwind_table | |
137 | { | |
138 | /* Starting and ending offsets of the region described by | |
139 | descriptor. */ | |
140 | unsigned int start_offset; | |
141 | unsigned int end_offset; | |
142 | struct unwind_desc descriptor; | |
143 | }; | |
144 | ||
145 | /* This structure is used by the .callinfo, .enter, .leave pseudo-ops to | |
146 | control the entry and exit code they generate. It is also used in | |
147 | creation of the correct stack unwind descriptors. | |
148 | ||
149 | NOTE: GAS does not support .enter and .leave for the generation of | |
150 | prologues and epilogues. FIXME. | |
151 | ||
152 | The fields in structure roughly correspond to the arguments available on the | |
153 | .callinfo pseudo-op. */ | |
154 | ||
155 | struct call_info | |
156 | { | |
157 | /* The unwind descriptor being built. */ | |
158 | struct unwind_table ci_unwind; | |
159 | ||
160 | /* Name of this function. */ | |
161 | symbolS *start_symbol; | |
162 | ||
163 | /* (temporary) symbol used to mark the end of this function. */ | |
164 | symbolS *end_symbol; | |
165 | ||
166 | /* Next entry in the chain. */ | |
167 | struct call_info *ci_next; | |
168 | }; | |
169 | ||
170 | /* Operand formats for FP instructions. Note not all FP instructions | |
171 | allow all four formats to be used (for example fmpysub only allows | |
172 | SGL and DBL). */ | |
173 | typedef enum | |
174 | { | |
175 | SGL, DBL, ILLEGAL_FMT, QUAD, W, UW, DW, UDW, QW, UQW | |
176 | } | |
177 | fp_operand_format; | |
178 | ||
179 | /* This fully describes the symbol types which may be attached to | |
180 | an EXPORT or IMPORT directive. Only SOM uses this formation | |
181 | (ELF has no need for it). */ | |
182 | typedef enum | |
183 | { | |
184 | SYMBOL_TYPE_UNKNOWN, | |
185 | SYMBOL_TYPE_ABSOLUTE, | |
186 | SYMBOL_TYPE_CODE, | |
187 | SYMBOL_TYPE_DATA, | |
188 | SYMBOL_TYPE_ENTRY, | |
189 | SYMBOL_TYPE_MILLICODE, | |
190 | SYMBOL_TYPE_PLABEL, | |
191 | SYMBOL_TYPE_PRI_PROG, | |
192 | SYMBOL_TYPE_SEC_PROG, | |
193 | } | |
194 | pa_symbol_type; | |
195 | ||
196 | /* This structure contains information needed to assemble | |
197 | individual instructions. */ | |
198 | struct pa_it | |
199 | { | |
200 | /* Holds the opcode after parsing by pa_ip. */ | |
201 | unsigned long opcode; | |
202 | ||
203 | /* Holds an expression associated with the current instruction. */ | |
204 | expressionS exp; | |
205 | ||
206 | /* Does this instruction use PC-relative addressing. */ | |
207 | int pcrel; | |
208 | ||
209 | /* Floating point formats for operand1 and operand2. */ | |
210 | fp_operand_format fpof1; | |
211 | fp_operand_format fpof2; | |
212 | ||
1cf6ae67 JL |
213 | /* Whether or not we saw a truncation request on an fcnv insn. */ |
214 | int trunc; | |
252b5132 RH |
215 | |
216 | /* Holds the field selector for this instruction | |
217 | (for example L%, LR%, etc). */ | |
218 | long field_selector; | |
219 | ||
220 | /* Holds any argument relocation bits associated with this | |
221 | instruction. (instruction should be some sort of call). */ | |
222 | long arg_reloc; | |
223 | ||
224 | /* The format specification for this instruction. */ | |
225 | int format; | |
226 | ||
227 | /* The relocation (if any) associated with this instruction. */ | |
228 | reloc_type reloc; | |
229 | }; | |
230 | ||
231 | /* PA-89 floating point registers are arranged like this: | |
232 | ||
233 | ||
234 | +--------------+--------------+ | |
235 | | 0 or 16L | 16 or 16R | | |
236 | +--------------+--------------+ | |
237 | | 1 or 17L | 17 or 17R | | |
238 | +--------------+--------------+ | |
239 | | | | | |
240 | ||
241 | . . . | |
242 | . . . | |
243 | . . . | |
244 | ||
245 | | | | | |
246 | +--------------+--------------+ | |
247 | | 14 or 30L | 30 or 30R | | |
248 | +--------------+--------------+ | |
249 | | 15 or 31L | 31 or 31R | | |
250 | +--------------+--------------+ | |
251 | ||
252 | ||
253 | The following is a version of pa_parse_number that | |
254 | handles the L/R notation and returns the correct | |
255 | value to put into the instruction register field. | |
256 | The correct value to put into the instruction is | |
257 | encoded in the structure 'pa_11_fp_reg_struct'. */ | |
258 | ||
259 | struct pa_11_fp_reg_struct | |
260 | { | |
261 | /* The register number. */ | |
262 | char number_part; | |
263 | ||
264 | /* L/R selector. */ | |
265 | char l_r_select; | |
266 | }; | |
267 | ||
268 | /* Additional information needed to build argument relocation stubs. */ | |
269 | struct call_desc | |
270 | { | |
271 | /* The argument relocation specification. */ | |
272 | unsigned int arg_reloc; | |
273 | ||
274 | /* Number of arguments. */ | |
275 | unsigned int arg_count; | |
276 | }; | |
277 | ||
49863f82 | 278 | #ifdef OBJ_SOM |
252b5132 RH |
279 | /* This structure defines an entry in the subspace dictionary |
280 | chain. */ | |
281 | ||
282 | struct subspace_dictionary_chain | |
283 | { | |
284 | /* Nonzero if this space has been defined by the user code. */ | |
285 | unsigned int ssd_defined; | |
286 | ||
287 | /* Name of this subspace. */ | |
288 | char *ssd_name; | |
289 | ||
290 | /* GAS segment and subsegment associated with this subspace. */ | |
291 | asection *ssd_seg; | |
292 | int ssd_subseg; | |
293 | ||
294 | /* Next space in the subspace dictionary chain. */ | |
295 | struct subspace_dictionary_chain *ssd_next; | |
296 | }; | |
297 | ||
298 | typedef struct subspace_dictionary_chain ssd_chain_struct; | |
299 | ||
300 | /* This structure defines an entry in the subspace dictionary | |
301 | chain. */ | |
302 | ||
303 | struct space_dictionary_chain | |
304 | { | |
305 | /* Nonzero if this space has been defined by the user code or | |
306 | as a default space. */ | |
307 | unsigned int sd_defined; | |
308 | ||
309 | /* Nonzero if this spaces has been defined by the user code. */ | |
310 | unsigned int sd_user_defined; | |
311 | ||
312 | /* The space number (or index). */ | |
313 | unsigned int sd_spnum; | |
314 | ||
315 | /* The name of this subspace. */ | |
316 | char *sd_name; | |
317 | ||
318 | /* GAS segment to which this subspace corresponds. */ | |
319 | asection *sd_seg; | |
320 | ||
321 | /* Current subsegment number being used. */ | |
322 | int sd_last_subseg; | |
323 | ||
324 | /* The chain of subspaces contained within this space. */ | |
325 | ssd_chain_struct *sd_subspaces; | |
326 | ||
327 | /* The next entry in the space dictionary chain. */ | |
328 | struct space_dictionary_chain *sd_next; | |
329 | }; | |
330 | ||
331 | typedef struct space_dictionary_chain sd_chain_struct; | |
332 | ||
252b5132 RH |
333 | /* This structure defines attributes of the default subspace |
334 | dictionary entries. */ | |
335 | ||
336 | struct default_subspace_dict | |
337 | { | |
338 | /* Name of the subspace. */ | |
339 | char *name; | |
340 | ||
341 | /* FIXME. Is this still needed? */ | |
342 | char defined; | |
343 | ||
344 | /* Nonzero if this subspace is loadable. */ | |
345 | char loadable; | |
346 | ||
347 | /* Nonzero if this subspace contains only code. */ | |
348 | char code_only; | |
349 | ||
350 | /* Nonzero if this is a common subspace. */ | |
351 | char common; | |
352 | ||
353 | /* Nonzero if this is a common subspace which allows symbols | |
354 | to be multiply defined. */ | |
355 | char dup_common; | |
356 | ||
357 | /* Nonzero if this subspace should be zero filled. */ | |
358 | char zero; | |
359 | ||
360 | /* Sort key for this subspace. */ | |
361 | unsigned char sort; | |
362 | ||
363 | /* Access control bits for this subspace. Can represent RWX access | |
364 | as well as privilege level changes for gateways. */ | |
365 | int access; | |
366 | ||
367 | /* Index of containing space. */ | |
368 | int space_index; | |
369 | ||
370 | /* Alignment (in bytes) of this subspace. */ | |
371 | int alignment; | |
372 | ||
373 | /* Quadrant within space where this subspace should be loaded. */ | |
374 | int quadrant; | |
375 | ||
376 | /* An index into the default spaces array. */ | |
377 | int def_space_index; | |
378 | ||
252b5132 RH |
379 | /* Subsegment associated with this subspace. */ |
380 | subsegT subsegment; | |
381 | }; | |
382 | ||
383 | /* This structure defines attributes of the default space | |
384 | dictionary entries. */ | |
385 | ||
386 | struct default_space_dict | |
387 | { | |
388 | /* Name of the space. */ | |
389 | char *name; | |
390 | ||
391 | /* Space number. It is possible to identify spaces within | |
392 | assembly code numerically! */ | |
393 | int spnum; | |
394 | ||
395 | /* Nonzero if this space is loadable. */ | |
396 | char loadable; | |
397 | ||
398 | /* Nonzero if this space is "defined". FIXME is still needed */ | |
399 | char defined; | |
400 | ||
401 | /* Nonzero if this space can not be shared. */ | |
402 | char private; | |
403 | ||
404 | /* Sort key for this space. */ | |
405 | unsigned char sort; | |
406 | ||
407 | /* Segment associated with this space. */ | |
408 | asection *segment; | |
252b5132 | 409 | }; |
49863f82 JL |
410 | #endif |
411 | ||
412 | /* Structure for previous label tracking. Needed so that alignments, | |
413 | callinfo declarations, etc can be easily attached to a particular | |
414 | label. */ | |
415 | typedef struct label_symbol_struct | |
416 | { | |
417 | struct symbol *lss_label; | |
418 | #ifdef OBJ_SOM | |
419 | sd_chain_struct *lss_space; | |
420 | #endif | |
421 | #ifdef OBJ_ELF | |
422 | segT lss_segment; | |
423 | #endif | |
424 | struct label_symbol_struct *lss_next; | |
425 | } | |
426 | label_symbol_struct; | |
252b5132 RH |
427 | |
428 | /* Extra information needed to perform fixups (relocations) on the PA. */ | |
429 | struct hppa_fix_struct | |
430 | { | |
431 | /* The field selector. */ | |
432 | enum hppa_reloc_field_selector_type_alt fx_r_field; | |
433 | ||
434 | /* Type of fixup. */ | |
435 | int fx_r_type; | |
436 | ||
437 | /* Format of fixup. */ | |
438 | int fx_r_format; | |
439 | ||
440 | /* Argument relocation bits. */ | |
441 | long fx_arg_reloc; | |
442 | ||
443 | /* The segment this fixup appears in. */ | |
444 | segT segment; | |
445 | }; | |
446 | ||
447 | /* Structure to hold information about predefined registers. */ | |
448 | ||
449 | struct pd_reg | |
450 | { | |
451 | char *name; | |
452 | int value; | |
453 | }; | |
454 | ||
455 | /* This structure defines the mapping from a FP condition string | |
456 | to a condition number which can be recorded in an instruction. */ | |
457 | struct fp_cond_map | |
458 | { | |
459 | char *string; | |
460 | int cond; | |
461 | }; | |
462 | ||
463 | /* This structure defines a mapping from a field selector | |
464 | string to a field selector type. */ | |
465 | struct selector_entry | |
466 | { | |
467 | char *prefix; | |
468 | int field_selector; | |
469 | }; | |
470 | ||
471 | /* Prototypes for functions local to tc-hppa.c. */ | |
472 | ||
49863f82 | 473 | #ifdef OBJ_SOM |
252b5132 | 474 | static void pa_check_current_space_and_subspace PARAMS ((void)); |
49863f82 JL |
475 | #endif |
476 | ||
252b5132 RH |
477 | static fp_operand_format pa_parse_fp_format PARAMS ((char **s)); |
478 | static void pa_cons PARAMS ((int)); | |
479 | static void pa_data PARAMS ((int)); | |
480 | static void pa_float_cons PARAMS ((int)); | |
481 | static void pa_fill PARAMS ((int)); | |
482 | static void pa_lcomm PARAMS ((int)); | |
483 | static void pa_lsym PARAMS ((int)); | |
484 | static void pa_stringer PARAMS ((int)); | |
485 | static void pa_text PARAMS ((int)); | |
486 | static void pa_version PARAMS ((int)); | |
487 | static int pa_parse_fp_cmp_cond PARAMS ((char **)); | |
488 | static int get_expression PARAMS ((char *)); | |
489 | static int pa_get_absolute_expression PARAMS ((struct pa_it *, char **)); | |
490 | static int evaluate_absolute PARAMS ((struct pa_it *)); | |
491 | static unsigned int pa_build_arg_reloc PARAMS ((char *)); | |
492 | static unsigned int pa_align_arg_reloc PARAMS ((unsigned int, unsigned int)); | |
493 | static int pa_parse_nullif PARAMS ((char **)); | |
494 | static int pa_parse_nonneg_cmpsub_cmpltr PARAMS ((char **, int)); | |
495 | static int pa_parse_neg_cmpsub_cmpltr PARAMS ((char **, int)); | |
496 | static int pa_parse_neg_add_cmpltr PARAMS ((char **, int)); | |
497 | static int pa_parse_nonneg_add_cmpltr PARAMS ((char **, int)); | |
d53d2751 JL |
498 | static int pa_parse_cmpb_64_cmpltr PARAMS ((char **)); |
499 | static int pa_parse_cmpib_64_cmpltr PARAMS ((char **)); | |
500 | static int pa_parse_addb_64_cmpltr PARAMS ((char **)); | |
252b5132 RH |
501 | static void pa_block PARAMS ((int)); |
502 | static void pa_brtab PARAMS ((int)); | |
503 | static void pa_try PARAMS ((int)); | |
504 | static void pa_call PARAMS ((int)); | |
505 | static void pa_call_args PARAMS ((struct call_desc *)); | |
506 | static void pa_callinfo PARAMS ((int)); | |
507 | static void pa_code PARAMS ((int)); | |
508 | static void pa_comm PARAMS ((int)); | |
252b5132 RH |
509 | static void pa_copyright PARAMS ((int)); |
510 | static void pa_end PARAMS ((int)); | |
511 | static void pa_enter PARAMS ((int)); | |
512 | static void pa_entry PARAMS ((int)); | |
513 | static void pa_equ PARAMS ((int)); | |
514 | static void pa_exit PARAMS ((int)); | |
515 | static void pa_export PARAMS ((int)); | |
516 | static void pa_type_args PARAMS ((symbolS *, int)); | |
517 | static void pa_import PARAMS ((int)); | |
518 | static void pa_label PARAMS ((int)); | |
519 | static void pa_leave PARAMS ((int)); | |
520 | static void pa_level PARAMS ((int)); | |
521 | static void pa_origin PARAMS ((int)); | |
522 | static void pa_proc PARAMS ((int)); | |
523 | static void pa_procend PARAMS ((int)); | |
252b5132 RH |
524 | static void pa_param PARAMS ((int)); |
525 | static void pa_undefine_label PARAMS ((void)); | |
526 | static int need_pa11_opcode PARAMS ((struct pa_it *, | |
527 | struct pa_11_fp_reg_struct *)); | |
528 | static int pa_parse_number PARAMS ((char **, struct pa_11_fp_reg_struct *)); | |
529 | static label_symbol_struct *pa_get_label PARAMS ((void)); | |
49863f82 JL |
530 | #ifdef OBJ_SOM |
531 | static void pa_compiler PARAMS ((int)); | |
532 | static void pa_align PARAMS ((int)); | |
533 | static void pa_space PARAMS ((int)); | |
534 | static void pa_spnum PARAMS ((int)); | |
535 | static void pa_subspace PARAMS ((int)); | |
252b5132 RH |
536 | static sd_chain_struct *create_new_space PARAMS ((char *, int, int, |
537 | int, int, int, | |
538 | asection *, int)); | |
539 | static ssd_chain_struct *create_new_subspace PARAMS ((sd_chain_struct *, | |
540 | char *, int, int, | |
541 | int, int, int, | |
542 | int, int, int, int, | |
543 | int, asection *)); | |
544 | static ssd_chain_struct *update_subspace PARAMS ((sd_chain_struct *, | |
545 | char *, int, int, int, | |
546 | int, int, int, int, | |
547 | int, int, int, | |
548 | asection *)); | |
549 | static sd_chain_struct *is_defined_space PARAMS ((char *)); | |
550 | static ssd_chain_struct *is_defined_subspace PARAMS ((char *)); | |
551 | static sd_chain_struct *pa_segment_to_space PARAMS ((asection *)); | |
552 | static ssd_chain_struct *pa_subsegment_to_subspace PARAMS ((asection *, | |
553 | subsegT)); | |
554 | static sd_chain_struct *pa_find_space_by_number PARAMS ((int)); | |
555 | static unsigned int pa_subspace_start PARAMS ((sd_chain_struct *, int)); | |
49863f82 JL |
556 | static sd_chain_struct *pa_parse_space_stmt PARAMS ((char *, int)); |
557 | static int pa_next_subseg PARAMS ((sd_chain_struct *)); | |
558 | static void pa_spaces_begin PARAMS ((void)); | |
559 | #endif | |
252b5132 RH |
560 | static void pa_ip PARAMS ((char *)); |
561 | static void fix_new_hppa PARAMS ((fragS *, int, int, symbolS *, | |
562 | long, expressionS *, int, | |
563 | bfd_reloc_code_real_type, | |
564 | enum hppa_reloc_field_selector_type_alt, | |
565 | int, long, int *)); | |
566 | static int is_end_of_statement PARAMS ((void)); | |
567 | static int reg_name_search PARAMS ((char *)); | |
568 | static int pa_chk_field_selector PARAMS ((char **)); | |
569 | static int is_same_frag PARAMS ((fragS *, fragS *)); | |
570 | static void process_exit PARAMS ((void)); | |
252b5132 | 571 | static int log2 PARAMS ((int)); |
252b5132 | 572 | static unsigned int pa_stringer_aux PARAMS ((char *)); |
1cf6ae67 JL |
573 | static fp_operand_format pa_parse_fp_cnv_format PARAMS ((char **s)); |
574 | static int pa_parse_ftest_gfx_completer PARAMS ((char **)); | |
252b5132 RH |
575 | |
576 | #ifdef OBJ_ELF | |
577 | static void hppa_elf_mark_end_of_function PARAMS ((void)); | |
578 | static void pa_build_unwind_subspace PARAMS ((struct call_info *)); | |
579 | #endif | |
580 | ||
581 | /* File and gloally scoped variable declarations. */ | |
582 | ||
49863f82 | 583 | #ifdef OBJ_SOM |
252b5132 RH |
584 | /* Root and final entry in the space chain. */ |
585 | static sd_chain_struct *space_dict_root; | |
586 | static sd_chain_struct *space_dict_last; | |
587 | ||
588 | /* The current space and subspace. */ | |
589 | static sd_chain_struct *current_space; | |
590 | static ssd_chain_struct *current_subspace; | |
49863f82 | 591 | #endif |
252b5132 RH |
592 | |
593 | /* Root of the call_info chain. */ | |
594 | static struct call_info *call_info_root; | |
595 | ||
596 | /* The last call_info (for functions) structure | |
597 | seen so it can be associated with fixups and | |
598 | function labels. */ | |
599 | static struct call_info *last_call_info; | |
600 | ||
601 | /* The last call description (for actual calls). */ | |
602 | static struct call_desc last_call_desc; | |
603 | ||
604 | /* handle of the OPCODE hash table */ | |
605 | static struct hash_control *op_hash = NULL; | |
606 | ||
607 | /* This array holds the chars that always start a comment. If the | |
608 | pre-processor is disabled, these aren't very useful. */ | |
609 | const char comment_chars[] = ";"; | |
610 | ||
611 | /* Table of pseudo ops for the PA. FIXME -- how many of these | |
612 | are now redundant with the overall GAS and the object file | |
613 | dependent tables? */ | |
614 | const pseudo_typeS md_pseudo_table[] = | |
615 | { | |
616 | /* align pseudo-ops on the PA specify the actual alignment requested, | |
617 | not the log2 of the requested alignment. */ | |
49863f82 | 618 | #ifdef OBJ_SOM |
252b5132 | 619 | {"align", pa_align, 8}, |
49863f82 JL |
620 | #endif |
621 | #ifdef OBJ_ELF | |
622 | {"align", s_align_bytes, 8}, | |
623 | #endif | |
252b5132 RH |
624 | {"begin_brtab", pa_brtab, 1}, |
625 | {"begin_try", pa_try, 1}, | |
626 | {"block", pa_block, 1}, | |
627 | {"blockz", pa_block, 0}, | |
628 | {"byte", pa_cons, 1}, | |
629 | {"call", pa_call, 0}, | |
630 | {"callinfo", pa_callinfo, 0}, | |
631 | {"code", pa_code, 0}, | |
632 | {"comm", pa_comm, 0}, | |
633 | #ifdef OBJ_SOM | |
634 | {"compiler", pa_compiler, 0}, | |
635 | #endif | |
636 | {"copyright", pa_copyright, 0}, | |
637 | {"data", pa_data, 0}, | |
638 | {"double", pa_float_cons, 'd'}, | |
077db52a | 639 | {"dword", pa_cons, 8}, |
252b5132 RH |
640 | {"end", pa_end, 0}, |
641 | {"end_brtab", pa_brtab, 0}, | |
642 | {"end_try", pa_try, 0}, | |
643 | {"enter", pa_enter, 0}, | |
644 | {"entry", pa_entry, 0}, | |
645 | {"equ", pa_equ, 0}, | |
646 | {"exit", pa_exit, 0}, | |
647 | {"export", pa_export, 0}, | |
2d93dcc4 JL |
648 | #ifdef OBJ_ELF |
649 | { "file", dwarf2_directive_file }, | |
650 | #endif | |
252b5132 RH |
651 | {"fill", pa_fill, 0}, |
652 | {"float", pa_float_cons, 'f'}, | |
653 | {"half", pa_cons, 2}, | |
654 | {"import", pa_import, 0}, | |
655 | {"int", pa_cons, 4}, | |
656 | {"label", pa_label, 0}, | |
657 | {"lcomm", pa_lcomm, 0}, | |
658 | {"leave", pa_leave, 0}, | |
659 | {"level", pa_level, 0}, | |
2d93dcc4 JL |
660 | #ifdef OBJ_ELF |
661 | { "loc", dwarf2_directive_loc }, | |
662 | #endif | |
252b5132 RH |
663 | {"long", pa_cons, 4}, |
664 | {"lsym", pa_lsym, 0}, | |
49863f82 | 665 | #ifdef OBJ_SOM |
252b5132 | 666 | {"nsubspa", pa_subspace, 1}, |
49863f82 | 667 | #endif |
252b5132 RH |
668 | {"octa", pa_cons, 16}, |
669 | {"org", pa_origin, 0}, | |
670 | {"origin", pa_origin, 0}, | |
671 | {"param", pa_param, 0}, | |
672 | {"proc", pa_proc, 0}, | |
673 | {"procend", pa_procend, 0}, | |
674 | {"quad", pa_cons, 8}, | |
675 | {"reg", pa_equ, 1}, | |
676 | {"short", pa_cons, 2}, | |
677 | {"single", pa_float_cons, 'f'}, | |
49863f82 | 678 | #ifdef OBJ_SOM |
252b5132 RH |
679 | {"space", pa_space, 0}, |
680 | {"spnum", pa_spnum, 0}, | |
49863f82 | 681 | #endif |
252b5132 RH |
682 | {"string", pa_stringer, 0}, |
683 | {"stringz", pa_stringer, 1}, | |
49863f82 | 684 | #ifdef OBJ_SOM |
252b5132 | 685 | {"subspa", pa_subspace, 0}, |
49863f82 | 686 | #endif |
252b5132 RH |
687 | {"text", pa_text, 0}, |
688 | {"version", pa_version, 0}, | |
689 | {"word", pa_cons, 4}, | |
690 | {NULL, 0, 0} | |
691 | }; | |
692 | ||
693 | /* This array holds the chars that only start a comment at the beginning of | |
694 | a line. If the line seems to have the form '# 123 filename' | |
695 | .line and .file directives will appear in the pre-processed output. | |
696 | ||
697 | Note that input_file.c hand checks for '#' at the beginning of the | |
698 | first line of the input file. This is because the compiler outputs | |
699 | #NO_APP at the beginning of its output. | |
700 | ||
701 | Also note that C style comments will always work. */ | |
702 | const char line_comment_chars[] = "#"; | |
703 | ||
704 | /* This array holds the characters which act as line separators. */ | |
705 | const char line_separator_chars[] = "!"; | |
706 | ||
707 | /* Chars that can be used to separate mant from exp in floating point nums. */ | |
708 | const char EXP_CHARS[] = "eE"; | |
709 | ||
710 | /* Chars that mean this number is a floating point constant. | |
711 | As in 0f12.456 or 0d1.2345e12. | |
712 | ||
713 | Be aware that MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT may have to be | |
714 | changed in read.c. Ideally it shouldn't hae to know abou it at | |
715 | all, but nothing is ideal around here. */ | |
716 | const char FLT_CHARS[] = "rRsSfFdDxXpP"; | |
717 | ||
718 | static struct pa_it the_insn; | |
719 | ||
720 | /* Points to the end of an expression just parsed by get_expressoin | |
721 | and friends. FIXME. This shouldn't be handled with a file-global | |
722 | variable. */ | |
723 | static char *expr_end; | |
724 | ||
725 | /* Nonzero if a .callinfo appeared within the current procedure. */ | |
726 | static int callinfo_found; | |
727 | ||
728 | /* Nonzero if the assembler is currently within a .entry/.exit pair. */ | |
729 | static int within_entry_exit; | |
730 | ||
731 | /* Nonzero if the assembler is currently within a procedure definition. */ | |
732 | static int within_procedure; | |
733 | ||
734 | /* Handle on strucutre which keep track of the last symbol | |
735 | seen in each subspace. */ | |
736 | static label_symbol_struct *label_symbols_rootp = NULL; | |
737 | ||
738 | /* Holds the last field selector. */ | |
739 | static int hppa_field_selector; | |
740 | ||
0f4f8b56 JL |
741 | /* Nonzero when strict syntax checking is enabled. Zero otherwise. |
742 | ||
743 | Each opcode in the table has a flag which indicates whether or not | |
744 | strict syntax checking should be enabled for that instruction. */ | |
745 | static int strict = 0; | |
746 | ||
993142d5 | 747 | #ifdef OBJ_SOM |
252b5132 RH |
748 | /* A dummy bfd symbol so that all relocations have symbols of some kind. */ |
749 | static symbolS *dummy_symbol; | |
993142d5 | 750 | #endif |
252b5132 RH |
751 | |
752 | /* Nonzero if errors are to be printed. */ | |
753 | static int print_errors = 1; | |
754 | ||
755 | /* List of registers that are pre-defined: | |
756 | ||
757 | Each general register has one predefined name of the form | |
758 | %r<REGNUM> which has the value <REGNUM>. | |
759 | ||
760 | Space and control registers are handled in a similar manner, | |
761 | but use %sr<REGNUM> and %cr<REGNUM> as their predefined names. | |
762 | ||
763 | Likewise for the floating point registers, but of the form | |
764 | %fr<REGNUM>. Floating point registers have additional predefined | |
765 | names with 'L' and 'R' suffixes (e.g. %fr19L, %fr19R) which | |
766 | again have the value <REGNUM>. | |
767 | ||
768 | Many registers also have synonyms: | |
769 | ||
770 | %r26 - %r23 have %arg0 - %arg3 as synonyms | |
771 | %r28 - %r29 have %ret0 - %ret1 as synonyms | |
772 | %r30 has %sp as a synonym | |
773 | %r27 has %dp as a synonym | |
774 | %r2 has %rp as a synonym | |
775 | ||
776 | Almost every control register has a synonym; they are not listed | |
777 | here for brevity. | |
778 | ||
779 | The table is sorted. Suitable for searching by a binary search. */ | |
780 | ||
781 | static const struct pd_reg pre_defined_registers[] = | |
782 | { | |
783 | {"%arg0", 26}, | |
784 | {"%arg1", 25}, | |
785 | {"%arg2", 24}, | |
786 | {"%arg3", 23}, | |
787 | {"%cr0", 0}, | |
788 | {"%cr10", 10}, | |
789 | {"%cr11", 11}, | |
790 | {"%cr12", 12}, | |
791 | {"%cr13", 13}, | |
792 | {"%cr14", 14}, | |
793 | {"%cr15", 15}, | |
794 | {"%cr16", 16}, | |
795 | {"%cr17", 17}, | |
796 | {"%cr18", 18}, | |
797 | {"%cr19", 19}, | |
798 | {"%cr20", 20}, | |
799 | {"%cr21", 21}, | |
800 | {"%cr22", 22}, | |
801 | {"%cr23", 23}, | |
802 | {"%cr24", 24}, | |
803 | {"%cr25", 25}, | |
804 | {"%cr26", 26}, | |
805 | {"%cr27", 27}, | |
806 | {"%cr28", 28}, | |
807 | {"%cr29", 29}, | |
808 | {"%cr30", 30}, | |
809 | {"%cr31", 31}, | |
810 | {"%cr8", 8}, | |
811 | {"%cr9", 9}, | |
812 | {"%dp", 27}, | |
813 | {"%eiem", 15}, | |
814 | {"%eirr", 23}, | |
815 | {"%fr0", 0}, | |
816 | {"%fr0l", 0}, | |
817 | {"%fr0r", 0}, | |
818 | {"%fr1", 1}, | |
819 | {"%fr10", 10}, | |
820 | {"%fr10l", 10}, | |
821 | {"%fr10r", 10}, | |
822 | {"%fr11", 11}, | |
823 | {"%fr11l", 11}, | |
824 | {"%fr11r", 11}, | |
825 | {"%fr12", 12}, | |
826 | {"%fr12l", 12}, | |
827 | {"%fr12r", 12}, | |
828 | {"%fr13", 13}, | |
829 | {"%fr13l", 13}, | |
830 | {"%fr13r", 13}, | |
831 | {"%fr14", 14}, | |
832 | {"%fr14l", 14}, | |
833 | {"%fr14r", 14}, | |
834 | {"%fr15", 15}, | |
835 | {"%fr15l", 15}, | |
836 | {"%fr15r", 15}, | |
837 | {"%fr16", 16}, | |
838 | {"%fr16l", 16}, | |
839 | {"%fr16r", 16}, | |
840 | {"%fr17", 17}, | |
841 | {"%fr17l", 17}, | |
842 | {"%fr17r", 17}, | |
843 | {"%fr18", 18}, | |
844 | {"%fr18l", 18}, | |
845 | {"%fr18r", 18}, | |
846 | {"%fr19", 19}, | |
847 | {"%fr19l", 19}, | |
848 | {"%fr19r", 19}, | |
849 | {"%fr1l", 1}, | |
850 | {"%fr1r", 1}, | |
851 | {"%fr2", 2}, | |
852 | {"%fr20", 20}, | |
853 | {"%fr20l", 20}, | |
854 | {"%fr20r", 20}, | |
855 | {"%fr21", 21}, | |
856 | {"%fr21l", 21}, | |
857 | {"%fr21r", 21}, | |
858 | {"%fr22", 22}, | |
859 | {"%fr22l", 22}, | |
860 | {"%fr22r", 22}, | |
861 | {"%fr23", 23}, | |
862 | {"%fr23l", 23}, | |
863 | {"%fr23r", 23}, | |
864 | {"%fr24", 24}, | |
865 | {"%fr24l", 24}, | |
866 | {"%fr24r", 24}, | |
867 | {"%fr25", 25}, | |
868 | {"%fr25l", 25}, | |
869 | {"%fr25r", 25}, | |
870 | {"%fr26", 26}, | |
871 | {"%fr26l", 26}, | |
872 | {"%fr26r", 26}, | |
873 | {"%fr27", 27}, | |
874 | {"%fr27l", 27}, | |
875 | {"%fr27r", 27}, | |
876 | {"%fr28", 28}, | |
877 | {"%fr28l", 28}, | |
878 | {"%fr28r", 28}, | |
879 | {"%fr29", 29}, | |
880 | {"%fr29l", 29}, | |
881 | {"%fr29r", 29}, | |
882 | {"%fr2l", 2}, | |
883 | {"%fr2r", 2}, | |
884 | {"%fr3", 3}, | |
885 | {"%fr30", 30}, | |
886 | {"%fr30l", 30}, | |
887 | {"%fr30r", 30}, | |
888 | {"%fr31", 31}, | |
889 | {"%fr31l", 31}, | |
890 | {"%fr31r", 31}, | |
891 | {"%fr3l", 3}, | |
892 | {"%fr3r", 3}, | |
893 | {"%fr4", 4}, | |
894 | {"%fr4l", 4}, | |
895 | {"%fr4r", 4}, | |
896 | {"%fr5", 5}, | |
897 | {"%fr5l", 5}, | |
898 | {"%fr5r", 5}, | |
899 | {"%fr6", 6}, | |
900 | {"%fr6l", 6}, | |
901 | {"%fr6r", 6}, | |
902 | {"%fr7", 7}, | |
903 | {"%fr7l", 7}, | |
904 | {"%fr7r", 7}, | |
905 | {"%fr8", 8}, | |
906 | {"%fr8l", 8}, | |
907 | {"%fr8r", 8}, | |
908 | {"%fr9", 9}, | |
909 | {"%fr9l", 9}, | |
910 | {"%fr9r", 9}, | |
911 | {"%hta", 25}, | |
912 | {"%iir", 19}, | |
913 | {"%ior", 21}, | |
914 | {"%ipsw", 22}, | |
915 | {"%isr", 20}, | |
916 | {"%itmr", 16}, | |
917 | {"%iva", 14}, | |
918 | {"%pcoq", 18}, | |
919 | {"%pcsq", 17}, | |
920 | {"%pidr1", 8}, | |
921 | {"%pidr2", 9}, | |
922 | {"%pidr3", 12}, | |
923 | {"%pidr4", 13}, | |
924 | {"%ppda", 24}, | |
925 | {"%r0", 0}, | |
926 | {"%r1", 1}, | |
927 | {"%r10", 10}, | |
928 | {"%r11", 11}, | |
929 | {"%r12", 12}, | |
930 | {"%r13", 13}, | |
931 | {"%r14", 14}, | |
932 | {"%r15", 15}, | |
933 | {"%r16", 16}, | |
934 | {"%r17", 17}, | |
935 | {"%r18", 18}, | |
936 | {"%r19", 19}, | |
937 | {"%r2", 2}, | |
938 | {"%r20", 20}, | |
939 | {"%r21", 21}, | |
940 | {"%r22", 22}, | |
941 | {"%r23", 23}, | |
942 | {"%r24", 24}, | |
943 | {"%r25", 25}, | |
944 | {"%r26", 26}, | |
945 | {"%r27", 27}, | |
946 | {"%r28", 28}, | |
947 | {"%r29", 29}, | |
948 | {"%r3", 3}, | |
949 | {"%r30", 30}, | |
950 | {"%r31", 31}, | |
951 | {"%r4", 4}, | |
952 | {"%r5", 5}, | |
953 | {"%r6", 6}, | |
954 | {"%r7", 7}, | |
955 | {"%r8", 8}, | |
956 | {"%r9", 9}, | |
957 | {"%rctr", 0}, | |
958 | {"%ret0", 28}, | |
959 | {"%ret1", 29}, | |
960 | {"%rp", 2}, | |
961 | {"%sar", 11}, | |
962 | {"%sp", 30}, | |
963 | {"%sr0", 0}, | |
964 | {"%sr1", 1}, | |
965 | {"%sr2", 2}, | |
966 | {"%sr3", 3}, | |
967 | {"%sr4", 4}, | |
968 | {"%sr5", 5}, | |
969 | {"%sr6", 6}, | |
970 | {"%sr7", 7}, | |
971 | {"%tr0", 24}, | |
972 | {"%tr1", 25}, | |
973 | {"%tr2", 26}, | |
974 | {"%tr3", 27}, | |
975 | {"%tr4", 28}, | |
976 | {"%tr5", 29}, | |
977 | {"%tr6", 30}, | |
978 | {"%tr7", 31} | |
979 | }; | |
980 | ||
981 | /* This table is sorted by order of the length of the string. This is | |
982 | so we check for <> before we check for <. If we had a <> and checked | |
983 | for < first, we would get a false match. */ | |
984 | static const struct fp_cond_map fp_cond_map[] = | |
985 | { | |
986 | {"false?", 0}, | |
987 | {"false", 1}, | |
988 | {"true?", 30}, | |
989 | {"true", 31}, | |
990 | {"!<=>", 3}, | |
991 | {"!?>=", 8}, | |
992 | {"!?<=", 16}, | |
993 | {"!<>", 7}, | |
994 | {"!>=", 11}, | |
995 | {"!?>", 12}, | |
996 | {"?<=", 14}, | |
997 | {"!<=", 19}, | |
998 | {"!?<", 20}, | |
999 | {"?>=", 22}, | |
1000 | {"!?=", 24}, | |
1001 | {"!=t", 27}, | |
1002 | {"<=>", 29}, | |
1003 | {"=t", 5}, | |
1004 | {"?=", 6}, | |
1005 | {"?<", 10}, | |
1006 | {"<=", 13}, | |
1007 | {"!>", 15}, | |
1008 | {"?>", 18}, | |
1009 | {">=", 21}, | |
1010 | {"!<", 23}, | |
1011 | {"<>", 25}, | |
1012 | {"!=", 26}, | |
1013 | {"!?", 28}, | |
1014 | {"?", 2}, | |
1015 | {"=", 4}, | |
1016 | {"<", 9}, | |
1017 | {">", 17} | |
1018 | }; | |
1019 | ||
1020 | static const struct selector_entry selector_table[] = | |
1021 | { | |
1022 | {"f", e_fsel}, | |
1023 | {"l", e_lsel}, | |
1024 | {"ld", e_ldsel}, | |
1025 | {"lp", e_lpsel}, | |
1026 | {"lr", e_lrsel}, | |
1027 | {"ls", e_lssel}, | |
1028 | {"lt", e_ltsel}, | |
39ba5561 | 1029 | {"ltp", e_ltpsel}, |
252b5132 RH |
1030 | {"n", e_nsel}, |
1031 | {"nl", e_nlsel}, | |
1032 | {"nlr", e_nlrsel}, | |
1033 | {"p", e_psel}, | |
1034 | {"r", e_rsel}, | |
1035 | {"rd", e_rdsel}, | |
1036 | {"rp", e_rpsel}, | |
1037 | {"rr", e_rrsel}, | |
1038 | {"rs", e_rssel}, | |
1039 | {"rt", e_rtsel}, | |
39ba5561 | 1040 | {"rtp", e_rtpsel}, |
252b5132 RH |
1041 | {"t", e_tsel}, |
1042 | }; | |
1043 | ||
49863f82 | 1044 | #ifdef OBJ_SOM |
252b5132 RH |
1045 | /* default space and subspace dictionaries */ |
1046 | ||
1047 | #define GDB_SYMBOLS GDB_SYMBOLS_SUBSPACE_NAME | |
1048 | #define GDB_STRINGS GDB_STRINGS_SUBSPACE_NAME | |
1049 | ||
1050 | /* pre-defined subsegments (subspaces) for the HPPA. */ | |
1051 | #define SUBSEG_CODE 0 | |
1052 | #define SUBSEG_LIT 1 | |
1053 | #define SUBSEG_MILLI 2 | |
1054 | #define SUBSEG_DATA 0 | |
1055 | #define SUBSEG_BSS 2 | |
1056 | #define SUBSEG_UNWIND 3 | |
1057 | #define SUBSEG_GDB_STRINGS 0 | |
1058 | #define SUBSEG_GDB_SYMBOLS 1 | |
1059 | ||
1060 | static struct default_subspace_dict pa_def_subspaces[] = | |
1061 | { | |
49863f82 JL |
1062 | {"$CODE$", 1, 1, 1, 0, 0, 0, 24, 0x2c, 0, 8, 0, 0, SUBSEG_CODE}, |
1063 | {"$DATA$", 1, 1, 0, 0, 0, 0, 24, 0x1f, 1, 8, 1, 1, SUBSEG_DATA}, | |
1064 | {"$LIT$", 1, 1, 0, 0, 0, 0, 16, 0x2c, 0, 8, 0, 0, SUBSEG_LIT}, | |
1065 | {"$MILLICODE$", 1, 1, 0, 0, 0, 0, 8, 0x2c, 0, 8, 0, 0, SUBSEG_MILLI}, | |
1066 | {"$BSS$", 1, 1, 0, 0, 0, 1, 80, 0x1f, 1, 8, 1, 1, SUBSEG_BSS}, | |
252b5132 RH |
1067 | {NULL, 0, 1, 0, 0, 0, 0, 255, 0x1f, 0, 4, 0, 0, 0} |
1068 | }; | |
1069 | ||
1070 | static struct default_space_dict pa_def_spaces[] = | |
1071 | { | |
49863f82 JL |
1072 | {"$TEXT$", 0, 1, 1, 0, 8, ASEC_NULL}, |
1073 | {"$PRIVATE$", 1, 1, 1, 1, 16, ASEC_NULL}, | |
1074 | {NULL, 0, 0, 0, 0, 0, ASEC_NULL} | |
252b5132 RH |
1075 | }; |
1076 | ||
1077 | /* Misc local definitions used by the assembler. */ | |
1078 | ||
252b5132 RH |
1079 | /* These macros are used to maintain spaces/subspaces. */ |
1080 | #define SPACE_DEFINED(space_chain) (space_chain)->sd_defined | |
1081 | #define SPACE_USER_DEFINED(space_chain) (space_chain)->sd_user_defined | |
1082 | #define SPACE_SPNUM(space_chain) (space_chain)->sd_spnum | |
1083 | #define SPACE_NAME(space_chain) (space_chain)->sd_name | |
1084 | ||
1085 | #define SUBSPACE_DEFINED(ss_chain) (ss_chain)->ssd_defined | |
1086 | #define SUBSPACE_NAME(ss_chain) (ss_chain)->ssd_name | |
49863f82 JL |
1087 | #endif |
1088 | ||
1089 | /* Return nonzero if the string pointed to by S potentially represents | |
1090 | a right or left half of a FP register */ | |
1091 | #define IS_R_SELECT(S) (*(S) == 'R' || *(S) == 'r') | |
1092 | #define IS_L_SELECT(S) (*(S) == 'L' || *(S) == 'l') | |
252b5132 RH |
1093 | |
1094 | /* Insert FIELD into OPCODE starting at bit START. Continue pa_ip | |
1095 | main loop after insertion. */ | |
1096 | ||
1097 | #define INSERT_FIELD_AND_CONTINUE(OPCODE, FIELD, START) \ | |
1098 | { \ | |
1099 | ((OPCODE) |= (FIELD) << (START)); \ | |
1100 | continue; \ | |
1101 | } | |
1102 | ||
1103 | /* Simple range checking for FIELD againt HIGH and LOW bounds. | |
1104 | IGNORE is used to suppress the error message. */ | |
1105 | ||
1106 | #define CHECK_FIELD(FIELD, HIGH, LOW, IGNORE) \ | |
1107 | { \ | |
1108 | if ((FIELD) > (HIGH) || (FIELD) < (LOW)) \ | |
1109 | { \ | |
1110 | if (! IGNORE) \ | |
1111 | as_bad (_("Field out of range [%d..%d] (%d)."), (LOW), (HIGH), \ | |
1112 | (int) (FIELD));\ | |
1113 | break; \ | |
1114 | } \ | |
1115 | } | |
1116 | ||
1117 | #define is_DP_relative(exp) \ | |
1118 | ((exp).X_op == O_subtract \ | |
a0f75b47 | 1119 | && strcmp (S_GET_NAME ((exp).X_op_symbol), "$global$") == 0) |
252b5132 RH |
1120 | |
1121 | #define is_PC_relative(exp) \ | |
1122 | ((exp).X_op == O_subtract \ | |
a0f75b47 | 1123 | && strcmp (S_GET_NAME ((exp).X_op_symbol), "$PIC_pcrel$0") == 0) |
252b5132 RH |
1124 | |
1125 | /* We need some complex handling for stabs (sym1 - sym2). Luckily, we'll | |
1126 | always be able to reduce the expression to a constant, so we don't | |
1127 | need real complex handling yet. */ | |
1128 | #define is_complex(exp) \ | |
1129 | ((exp).X_op != O_constant && (exp).X_op != O_symbol) | |
1130 | ||
1131 | /* Actual functions to implement the PA specific code for the assembler. */ | |
1132 | ||
1133 | /* Called before writing the object file. Make sure entry/exit and | |
1134 | proc/procend pairs match. */ | |
1135 | ||
1136 | void | |
1137 | pa_check_eof () | |
1138 | { | |
1139 | if (within_entry_exit) | |
1140 | as_fatal (_("Missing .exit\n")); | |
1141 | ||
1142 | if (within_procedure) | |
1143 | as_fatal (_("Missing .procend\n")); | |
1144 | } | |
1145 | ||
252b5132 RH |
1146 | /* Returns a pointer to the label_symbol_struct for the current space. |
1147 | or NULL if no label_symbol_struct exists for the current space. */ | |
1148 | ||
1149 | static label_symbol_struct * | |
1150 | pa_get_label () | |
1151 | { | |
1152 | label_symbol_struct *label_chain; | |
252b5132 RH |
1153 | |
1154 | for (label_chain = label_symbols_rootp; | |
1155 | label_chain; | |
1156 | label_chain = label_chain->lss_next) | |
49863f82 JL |
1157 | { |
1158 | #ifdef OBJ_SOM | |
1159 | if (current_space == label_chain->lss_space && label_chain->lss_label) | |
1160 | return label_chain; | |
1161 | #endif | |
1162 | #ifdef OBJ_ELF | |
1163 | if (now_seg == label_chain->lss_segment && label_chain->lss_label) | |
252b5132 | 1164 | return label_chain; |
49863f82 JL |
1165 | #endif |
1166 | } | |
252b5132 RH |
1167 | |
1168 | return NULL; | |
1169 | } | |
1170 | ||
1171 | /* Defines a label for the current space. If one is already defined, | |
1172 | this function will replace it with the new label. */ | |
1173 | ||
1174 | void | |
1175 | pa_define_label (symbol) | |
1176 | symbolS *symbol; | |
1177 | { | |
1178 | label_symbol_struct *label_chain = pa_get_label (); | |
252b5132 RH |
1179 | |
1180 | if (label_chain) | |
1181 | label_chain->lss_label = symbol; | |
1182 | else | |
1183 | { | |
1184 | /* Create a new label entry and add it to the head of the chain. */ | |
1185 | label_chain | |
1186 | = (label_symbol_struct *) xmalloc (sizeof (label_symbol_struct)); | |
1187 | label_chain->lss_label = symbol; | |
49863f82 JL |
1188 | #ifdef OBJ_SOM |
1189 | label_chain->lss_space = current_space; | |
1190 | #endif | |
1191 | #ifdef OBJ_ELF | |
1192 | label_chain->lss_segment = now_seg; | |
1193 | #endif | |
252b5132 RH |
1194 | label_chain->lss_next = NULL; |
1195 | ||
1196 | if (label_symbols_rootp) | |
1197 | label_chain->lss_next = label_symbols_rootp; | |
1198 | ||
1199 | label_symbols_rootp = label_chain; | |
1200 | } | |
1201 | } | |
1202 | ||
1203 | /* Removes a label definition for the current space. | |
1204 | If there is no label_symbol_struct entry, then no action is taken. */ | |
1205 | ||
1206 | static void | |
1207 | pa_undefine_label () | |
1208 | { | |
1209 | label_symbol_struct *label_chain; | |
1210 | label_symbol_struct *prev_label_chain = NULL; | |
252b5132 RH |
1211 | |
1212 | for (label_chain = label_symbols_rootp; | |
1213 | label_chain; | |
1214 | label_chain = label_chain->lss_next) | |
1215 | { | |
49863f82 JL |
1216 | if (1 |
1217 | #ifdef OBJ_SOM | |
1218 | && current_space == label_chain->lss_space && label_chain->lss_label | |
1219 | #endif | |
1220 | #ifdef OBJ_ELF | |
1221 | && now_seg == label_chain->lss_segment && label_chain->lss_label | |
1222 | #endif | |
1223 | ) | |
252b5132 RH |
1224 | { |
1225 | /* Remove the label from the chain and free its memory. */ | |
1226 | if (prev_label_chain) | |
1227 | prev_label_chain->lss_next = label_chain->lss_next; | |
1228 | else | |
1229 | label_symbols_rootp = label_chain->lss_next; | |
1230 | ||
1231 | free (label_chain); | |
1232 | break; | |
1233 | } | |
1234 | prev_label_chain = label_chain; | |
1235 | } | |
1236 | } | |
1237 | ||
1238 | ||
1239 | /* An HPPA-specific version of fix_new. This is required because the HPPA | |
1240 | code needs to keep track of some extra stuff. Each call to fix_new_hppa | |
1241 | results in the creation of an instance of an hppa_fix_struct. An | |
1242 | hppa_fix_struct stores the extra information along with a pointer to the | |
1243 | original fixS. This is attached to the original fixup via the | |
1244 | tc_fix_data field. */ | |
1245 | ||
1246 | static void | |
1247 | fix_new_hppa (frag, where, size, add_symbol, offset, exp, pcrel, | |
1248 | r_type, r_field, r_format, arg_reloc, unwind_bits) | |
1249 | fragS *frag; | |
1250 | int where; | |
1251 | int size; | |
1252 | symbolS *add_symbol; | |
1253 | long offset; | |
1254 | expressionS *exp; | |
1255 | int pcrel; | |
1256 | bfd_reloc_code_real_type r_type; | |
1257 | enum hppa_reloc_field_selector_type_alt r_field; | |
1258 | int r_format; | |
1259 | long arg_reloc; | |
1260 | int* unwind_bits; | |
1261 | { | |
1262 | fixS *new_fix; | |
1263 | ||
1264 | struct hppa_fix_struct *hppa_fix = (struct hppa_fix_struct *) | |
1265 | obstack_alloc (¬es, sizeof (struct hppa_fix_struct)); | |
1266 | ||
1267 | if (exp != NULL) | |
1268 | new_fix = fix_new_exp (frag, where, size, exp, pcrel, r_type); | |
1269 | else | |
1270 | new_fix = fix_new (frag, where, size, add_symbol, offset, pcrel, r_type); | |
1271 | new_fix->tc_fix_data = (void *) hppa_fix; | |
1272 | hppa_fix->fx_r_type = r_type; | |
1273 | hppa_fix->fx_r_field = r_field; | |
1274 | hppa_fix->fx_r_format = r_format; | |
1275 | hppa_fix->fx_arg_reloc = arg_reloc; | |
1276 | hppa_fix->segment = now_seg; | |
1277 | #ifdef OBJ_SOM | |
1278 | if (r_type == R_ENTRY || r_type == R_EXIT) | |
1279 | new_fix->fx_offset = *unwind_bits; | |
1280 | #endif | |
1281 | ||
1282 | /* foo-$global$ is used to access non-automatic storage. $global$ | |
1283 | is really just a marker and has served its purpose, so eliminate | |
1284 | it now so as not to confuse write.c. */ | |
1285 | if (new_fix->fx_subsy | |
1286 | && !strcmp (S_GET_NAME (new_fix->fx_subsy), "$global$")) | |
1287 | new_fix->fx_subsy = NULL; | |
1288 | } | |
1289 | ||
1290 | /* Parse a .byte, .word, .long expression for the HPPA. Called by | |
1291 | cons via the TC_PARSE_CONS_EXPRESSION macro. */ | |
1292 | ||
1293 | void | |
1294 | parse_cons_expression_hppa (exp) | |
1295 | expressionS *exp; | |
1296 | { | |
1297 | hppa_field_selector = pa_chk_field_selector (&input_line_pointer); | |
1298 | expression (exp); | |
1299 | } | |
1300 | ||
1301 | /* This fix_new is called by cons via TC_CONS_FIX_NEW. | |
1302 | hppa_field_selector is set by the parse_cons_expression_hppa. */ | |
1303 | ||
1304 | void | |
1305 | cons_fix_new_hppa (frag, where, size, exp) | |
1306 | fragS *frag; | |
1307 | int where; | |
1308 | int size; | |
1309 | expressionS *exp; | |
1310 | { | |
1311 | unsigned int rel_type; | |
1312 | ||
1313 | /* Get a base relocation type. */ | |
1314 | if (is_DP_relative (*exp)) | |
1315 | rel_type = R_HPPA_GOTOFF; | |
1316 | else if (is_complex (*exp)) | |
1317 | rel_type = R_HPPA_COMPLEX; | |
1318 | else | |
1319 | rel_type = R_HPPA; | |
1320 | ||
1321 | if (hppa_field_selector != e_psel && hppa_field_selector != e_fsel) | |
1322 | as_warn (_("Invalid field selector. Assuming F%%.")); | |
1323 | ||
1324 | fix_new_hppa (frag, where, size, | |
1325 | (symbolS *) NULL, (offsetT) 0, exp, 0, rel_type, | |
077db52a | 1326 | hppa_field_selector, size * 8, 0, NULL); |
252b5132 RH |
1327 | |
1328 | /* Reset field selector to its default state. */ | |
1329 | hppa_field_selector = 0; | |
1330 | } | |
1331 | ||
1332 | /* This function is called once, at assembler startup time. It should | |
1333 | set up all the tables, etc. that the MD part of the assembler will need. */ | |
1334 | ||
1335 | void | |
1336 | md_begin () | |
1337 | { | |
1338 | const char *retval = NULL; | |
1339 | int lose = 0; | |
1340 | unsigned int i = 0; | |
1341 | ||
1342 | last_call_info = NULL; | |
1343 | call_info_root = NULL; | |
1344 | ||
1345 | /* Set the default machine type. */ | |
1346 | if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, 10)) | |
1347 | as_warn (_("could not set architecture and machine")); | |
1348 | ||
1349 | /* Folding of text and data segments fails miserably on the PA. | |
1350 | Warn user and disable "-R" option. */ | |
1351 | if (flag_readonly_data_in_text) | |
1352 | { | |
1353 | as_warn (_("-R option not supported on this target.")); | |
1354 | flag_readonly_data_in_text = 0; | |
1355 | } | |
1356 | ||
49863f82 | 1357 | #ifdef OBJ_SOM |
252b5132 | 1358 | pa_spaces_begin (); |
49863f82 | 1359 | #endif |
252b5132 RH |
1360 | |
1361 | op_hash = hash_new (); | |
1362 | ||
1363 | while (i < NUMOPCODES) | |
1364 | { | |
1365 | const char *name = pa_opcodes[i].name; | |
1366 | retval = hash_insert (op_hash, name, (struct pa_opcode *) &pa_opcodes[i]); | |
1367 | if (retval != NULL && *retval != '\0') | |
1368 | { | |
1369 | as_fatal (_("Internal error: can't hash `%s': %s\n"), name, retval); | |
1370 | lose = 1; | |
1371 | } | |
1372 | do | |
1373 | { | |
1374 | if ((pa_opcodes[i].match & pa_opcodes[i].mask) | |
1375 | != pa_opcodes[i].match) | |
1376 | { | |
1377 | fprintf (stderr, _("internal error: losing opcode: `%s' \"%s\"\n"), | |
1378 | pa_opcodes[i].name, pa_opcodes[i].args); | |
1379 | lose = 1; | |
1380 | } | |
1381 | ++i; | |
1382 | } | |
1383 | while (i < NUMOPCODES && !strcmp (pa_opcodes[i].name, name)); | |
1384 | } | |
1385 | ||
1386 | if (lose) | |
1387 | as_fatal (_("Broken assembler. No assembly attempted.")); | |
1388 | ||
49863f82 | 1389 | #ifdef OBJ_SOM |
252b5132 RH |
1390 | /* SOM will change text_section. To make sure we never put |
1391 | anything into the old one switch to the new one now. */ | |
1392 | subseg_set (text_section, 0); | |
49863f82 | 1393 | #endif |
252b5132 | 1394 | |
993142d5 | 1395 | #ifdef OBJ_SOM |
252b5132 RH |
1396 | dummy_symbol = symbol_find_or_make ("L$dummy"); |
1397 | S_SET_SEGMENT (dummy_symbol, text_section); | |
993142d5 | 1398 | /* Force the symbol to be converted to a real symbol. */ |
d53d2751 | 1399 | (void) symbol_get_bfdsym (dummy_symbol); |
993142d5 | 1400 | #endif |
252b5132 RH |
1401 | } |
1402 | ||
1403 | /* Assemble a single instruction storing it into a frag. */ | |
1404 | void | |
1405 | md_assemble (str) | |
1406 | char *str; | |
1407 | { | |
1408 | char *to; | |
1409 | ||
1410 | /* The had better be something to assemble. */ | |
1411 | assert (str); | |
1412 | ||
1413 | /* If we are within a procedure definition, make sure we've | |
1414 | defined a label for the procedure; handle case where the | |
1415 | label was defined after the .PROC directive. | |
1416 | ||
1417 | Note there's not need to diddle with the segment or fragment | |
1418 | for the label symbol in this case. We have already switched | |
1419 | into the new $CODE$ subspace at this point. */ | |
1420 | if (within_procedure && last_call_info->start_symbol == NULL) | |
1421 | { | |
1422 | label_symbol_struct *label_symbol = pa_get_label (); | |
1423 | ||
1424 | if (label_symbol) | |
1425 | { | |
1426 | if (label_symbol->lss_label) | |
1427 | { | |
1428 | last_call_info->start_symbol = label_symbol->lss_label; | |
a0f75b47 ILT |
1429 | symbol_get_bfdsym (label_symbol->lss_label)->flags |
1430 | |= BSF_FUNCTION; | |
252b5132 RH |
1431 | #ifdef OBJ_SOM |
1432 | /* Also handle allocation of a fixup to hold the unwind | |
1433 | information when the label appears after the proc/procend. */ | |
1434 | if (within_entry_exit) | |
1435 | { | |
1436 | char *where = frag_more (0); | |
1437 | ||
1438 | fix_new_hppa (frag_now, where - frag_now->fr_literal, 0, | |
1439 | NULL, (offsetT) 0, NULL, | |
1440 | 0, R_HPPA_ENTRY, e_fsel, 0, 0, | |
1441 | (int *)&last_call_info->ci_unwind.descriptor); | |
1442 | } | |
1443 | #endif | |
1444 | } | |
1445 | else | |
1446 | as_bad (_("Missing function name for .PROC (corrupted label chain)")); | |
1447 | } | |
1448 | else | |
1449 | as_bad (_("Missing function name for .PROC")); | |
1450 | } | |
1451 | ||
1452 | /* Assemble the instruction. Results are saved into "the_insn". */ | |
1453 | pa_ip (str); | |
1454 | ||
1455 | /* Get somewhere to put the assembled instrution. */ | |
1456 | to = frag_more (4); | |
1457 | ||
1458 | /* Output the opcode. */ | |
1459 | md_number_to_chars (to, the_insn.opcode, 4); | |
1460 | ||
1461 | /* If necessary output more stuff. */ | |
1462 | if (the_insn.reloc != R_HPPA_NONE) | |
1463 | fix_new_hppa (frag_now, (to - frag_now->fr_literal), 4, NULL, | |
1464 | (offsetT) 0, &the_insn.exp, the_insn.pcrel, | |
1465 | the_insn.reloc, the_insn.field_selector, | |
1466 | the_insn.format, the_insn.arg_reloc, NULL); | |
2d93dcc4 JL |
1467 | |
1468 | #ifdef OBJ_ELF | |
1469 | if (debug_type == DEBUG_DWARF2) | |
b52c78b8 JL |
1470 | { |
1471 | bfd_vma addr; | |
1472 | ||
e061d86f JL |
1473 | /* First update the notion of the current source line. */ |
1474 | dwarf2_where (&debug_line); | |
1475 | ||
1476 | /* We want the offset of the start of this instruction within the | |
1477 | the current frag. */ | |
1478 | addr = frag_now->fr_address + frag_now_fix () - 4; | |
2d93dcc4 | 1479 | |
e061d86f | 1480 | /* And record the information. */ |
b52c78b8 | 1481 | dwarf2_gen_line_info (addr, &debug_line); |
b52c78b8 JL |
1482 | } |
1483 | #endif | |
252b5132 RH |
1484 | } |
1485 | ||
1486 | /* Do the real work for assembling a single instruction. Store results | |
1487 | into the global "the_insn" variable. */ | |
1488 | ||
1489 | static void | |
1490 | pa_ip (str) | |
1491 | char *str; | |
1492 | { | |
1493 | char *error_message = ""; | |
1494 | char *s, c, *argstart, *name, *save_s; | |
1495 | const char *args; | |
1496 | int match = FALSE; | |
1497 | int comma = 0; | |
1498 | int cmpltr, nullif, flag, cond, num; | |
1499 | unsigned long opcode; | |
1500 | struct pa_opcode *insn; | |
1501 | ||
49863f82 | 1502 | #ifdef OBJ_SOM |
252b5132 RH |
1503 | /* We must have a valid space and subspace. */ |
1504 | pa_check_current_space_and_subspace (); | |
49863f82 | 1505 | #endif |
252b5132 | 1506 | |
b1c5e0ee JL |
1507 | /* Convert everything up to the first whitespace character into lower |
1508 | case. */ | |
1509 | for (s = str; *s != ' ' && *s != '\t' && *s != '\n' && *s != '\0'; s++) | |
1510 | if (isupper (*s)) | |
1511 | *s = tolower (*s); | |
1512 | ||
252b5132 RH |
1513 | /* Skip to something interesting. */ |
1514 | for (s = str; isupper (*s) || islower (*s) || (*s >= '0' && *s <= '3'); ++s) | |
1515 | ; | |
1516 | ||
1517 | switch (*s) | |
1518 | { | |
1519 | ||
1520 | case '\0': | |
1521 | break; | |
1522 | ||
1523 | case ',': | |
1524 | comma = 1; | |
1525 | ||
1526 | /*FALLTHROUGH */ | |
1527 | ||
1528 | case ' ': | |
1529 | *s++ = '\0'; | |
1530 | break; | |
1531 | ||
1532 | default: | |
1533 | as_fatal (_("Unknown opcode: `%s'"), str); | |
1534 | } | |
1535 | ||
1536 | save_s = str; | |
1537 | ||
252b5132 RH |
1538 | /* Look up the opcode in the has table. */ |
1539 | if ((insn = (struct pa_opcode *) hash_find (op_hash, str)) == NULL) | |
1540 | { | |
1541 | as_bad ("Unknown opcode: `%s'", str); | |
1542 | return; | |
1543 | } | |
1544 | ||
1545 | if (comma) | |
1546 | { | |
1547 | *--s = ','; | |
1548 | } | |
1549 | ||
1550 | /* Mark the location where arguments for the instruction start, then | |
1551 | start processing them. */ | |
1552 | argstart = s; | |
1553 | for (;;) | |
1554 | { | |
1555 | /* Do some initialization. */ | |
1556 | opcode = insn->match; | |
0f4f8b56 | 1557 | strict = (insn->flags & FLAG_STRICT); |
252b5132 RH |
1558 | memset (&the_insn, 0, sizeof (the_insn)); |
1559 | ||
1560 | the_insn.reloc = R_HPPA_NONE; | |
1561 | ||
1562 | /* If this instruction is specific to a particular architecture, | |
1563 | then set a new architecture. */ | |
1564 | /* But do not automatically promote to pa2.0. The automatic promotion | |
1565 | crud is for compatability with HP's old assemblers only. */ | |
1566 | if (insn->arch < 20 | |
1567 | && bfd_get_mach (stdoutput) < insn->arch) | |
1568 | { | |
1569 | if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, insn->arch)) | |
1570 | as_warn (_("could not update architecture and machine")); | |
1571 | } | |
1572 | else if (bfd_get_mach (stdoutput) < insn->arch) | |
1573 | { | |
1574 | match = FALSE; | |
1575 | goto failed; | |
1576 | } | |
1577 | ||
1578 | /* Build the opcode, checking as we go to make | |
1579 | sure that the operands match. */ | |
1580 | for (args = insn->args;; ++args) | |
1581 | { | |
680ef6de JL |
1582 | /* Absorb white space in instruction. */ |
1583 | while (*s == ' ' || *s == '\t') | |
1584 | s++; | |
1585 | ||
252b5132 RH |
1586 | switch (*args) |
1587 | { | |
1588 | ||
1589 | /* End of arguments. */ | |
1590 | case '\0': | |
1591 | if (*s == '\0') | |
1592 | match = TRUE; | |
1593 | break; | |
1594 | ||
1595 | case '+': | |
1596 | if (*s == '+') | |
1597 | { | |
1598 | ++s; | |
1599 | continue; | |
1600 | } | |
1601 | if (*s == '-') | |
1602 | continue; | |
1603 | break; | |
1604 | ||
1605 | /* These must match exactly. */ | |
1606 | case '(': | |
1607 | case ')': | |
1608 | case ',': | |
1609 | case ' ': | |
1610 | if (*s++ == *args) | |
1611 | continue; | |
1612 | break; | |
1613 | ||
1614 | /* Handle a 5 bit register or control register field at 10. */ | |
1615 | case 'b': | |
1616 | case '^': | |
0f4f8b56 JL |
1617 | /* This should be more strict. Small steps. */ |
1618 | if (strict && *s != '%') | |
1619 | break; | |
e7c1f43c | 1620 | num = pa_parse_number (&s, 0); |
252b5132 RH |
1621 | CHECK_FIELD (num, 31, 0, 0); |
1622 | INSERT_FIELD_AND_CONTINUE (opcode, num, 21); | |
1623 | ||
a97685e9 JL |
1624 | /* Handle %sar or %cr11. No bits get set, we just verify that it |
1625 | is there. */ | |
1626 | case '!': | |
1627 | /* Skip whitespace before register. */ | |
1628 | while (*s == ' ' || *s == '\t') | |
1629 | s = s + 1; | |
1630 | ||
1631 | if (!strncasecmp(s, "%sar", 4)) | |
1632 | { | |
1633 | s += 4; | |
1634 | continue; | |
1635 | } | |
1636 | else if (!strncasecmp(s, "%cr11", 5)) | |
1637 | { | |
1638 | s += 5; | |
1639 | continue; | |
1640 | } | |
1641 | break; | |
1642 | ||
252b5132 RH |
1643 | /* Handle a 5 bit register field at 15. */ |
1644 | case 'x': | |
0f4f8b56 JL |
1645 | /* This should be more strict. Small steps. */ |
1646 | if (strict && *s != '%') | |
1647 | break; | |
e7c1f43c | 1648 | num = pa_parse_number (&s, 0); |
252b5132 RH |
1649 | CHECK_FIELD (num, 31, 0, 0); |
1650 | INSERT_FIELD_AND_CONTINUE (opcode, num, 16); | |
1651 | ||
1652 | /* Handle a 5 bit register field at 31. */ | |
252b5132 | 1653 | case 't': |
0f4f8b56 JL |
1654 | /* This should be more strict. Small steps. */ |
1655 | if (strict && *s != '%') | |
1656 | break; | |
e7c1f43c | 1657 | num = pa_parse_number (&s, 0); |
252b5132 RH |
1658 | CHECK_FIELD (num, 31, 0, 0); |
1659 | INSERT_FIELD_AND_CONTINUE (opcode, num, 0); | |
1660 | ||
413c94ba JL |
1661 | /* Handle a 5 bit register field at 10 and 15. */ |
1662 | case 'a': | |
0f4f8b56 JL |
1663 | /* This should be more strict. Small steps. */ |
1664 | if (strict && *s != '%') | |
1665 | break; | |
e7c1f43c | 1666 | num = pa_parse_number (&s, 0); |
413c94ba JL |
1667 | CHECK_FIELD (num, 31, 0, 0); |
1668 | opcode |= num << 16; | |
1669 | INSERT_FIELD_AND_CONTINUE (opcode, num, 21); | |
1670 | ||
252b5132 RH |
1671 | /* Handle a 5 bit field length at 31. */ |
1672 | case 'T': | |
1673 | num = pa_get_absolute_expression (&the_insn, &s); | |
0f4f8b56 JL |
1674 | if (strict && the_insn.exp.X_op != O_constant) |
1675 | break; | |
252b5132 RH |
1676 | s = expr_end; |
1677 | CHECK_FIELD (num, 32, 1, 0); | |
1678 | INSERT_FIELD_AND_CONTINUE (opcode, 32 - num, 0); | |
1679 | ||
1680 | /* Handle a 5 bit immediate at 15. */ | |
1681 | case '5': | |
1682 | num = pa_get_absolute_expression (&the_insn, &s); | |
0f4f8b56 JL |
1683 | if (strict && the_insn.exp.X_op != O_constant) |
1684 | break; | |
252b5132 | 1685 | s = expr_end; |
0f4f8b56 JL |
1686 | /* When in strict mode, we want to just reject this |
1687 | match instead of giving an out of range error. */ | |
1688 | CHECK_FIELD (num, 15, -16, strict); | |
252b5132 RH |
1689 | low_sign_unext (num, 5, &num); |
1690 | INSERT_FIELD_AND_CONTINUE (opcode, num, 16); | |
1691 | ||
1692 | /* Handle a 5 bit immediate at 31. */ | |
1693 | case 'V': | |
1694 | num = pa_get_absolute_expression (&the_insn, &s); | |
0f4f8b56 JL |
1695 | if (strict && the_insn.exp.X_op != O_constant) |
1696 | break; | |
252b5132 | 1697 | s = expr_end; |
0f4f8b56 JL |
1698 | /* When in strict mode, we want to just reject this |
1699 | match instead of giving an out of range error. */ | |
1700 | CHECK_FIELD (num, 15, -16, strict) | |
252b5132 RH |
1701 | low_sign_unext (num, 5, &num); |
1702 | INSERT_FIELD_AND_CONTINUE (opcode, num, 0); | |
1703 | ||
1704 | /* Handle an unsigned 5 bit immediate at 31. */ | |
1705 | case 'r': | |
1706 | num = pa_get_absolute_expression (&the_insn, &s); | |
0f4f8b56 JL |
1707 | if (strict && the_insn.exp.X_op != O_constant) |
1708 | break; | |
252b5132 RH |
1709 | s = expr_end; |
1710 | CHECK_FIELD (num, 31, 0, 0); | |
0f4f8b56 | 1711 | INSERT_FIELD_AND_CONTINUE (opcode, num, strict); |
252b5132 RH |
1712 | |
1713 | /* Handle an unsigned 5 bit immediate at 15. */ | |
1714 | case 'R': | |
1715 | num = pa_get_absolute_expression (&the_insn, &s); | |
0f4f8b56 JL |
1716 | if (strict && the_insn.exp.X_op != O_constant) |
1717 | break; | |
252b5132 | 1718 | s = expr_end; |
0f4f8b56 | 1719 | CHECK_FIELD (num, 31, 0, strict); |
252b5132 RH |
1720 | INSERT_FIELD_AND_CONTINUE (opcode, num, 16); |
1721 | ||
680ef6de JL |
1722 | /* Handle an unsigned 10 bit immediate at 15. */ |
1723 | case 'U': | |
1724 | num = pa_get_absolute_expression (&the_insn, &s); | |
0f4f8b56 JL |
1725 | if (strict && the_insn.exp.X_op != O_constant) |
1726 | break; | |
680ef6de | 1727 | s = expr_end; |
0f4f8b56 | 1728 | CHECK_FIELD (num, 1023, 0, strict); |
680ef6de JL |
1729 | INSERT_FIELD_AND_CONTINUE (opcode, num, 16); |
1730 | ||
252b5132 RH |
1731 | /* Handle a 2 bit space identifier at 17. */ |
1732 | case 's': | |
0f4f8b56 JL |
1733 | /* This should be more strict. Small steps. */ |
1734 | if (strict && *s != '%') | |
1735 | break; | |
e7c1f43c | 1736 | num = pa_parse_number (&s, 0); |
252b5132 RH |
1737 | CHECK_FIELD (num, 3, 0, 1); |
1738 | INSERT_FIELD_AND_CONTINUE (opcode, num, 14); | |
1739 | ||
1740 | /* Handle a 3 bit space identifier at 18. */ | |
1741 | case 'S': | |
0f4f8b56 JL |
1742 | /* This should be more strict. Small steps. */ |
1743 | if (strict && *s != '%') | |
1744 | break; | |
e7c1f43c | 1745 | num = pa_parse_number (&s, 0); |
252b5132 RH |
1746 | CHECK_FIELD (num, 7, 0, 1); |
1747 | dis_assemble_3 (num, &num); | |
1748 | INSERT_FIELD_AND_CONTINUE (opcode, num, 13); | |
1749 | ||
28252e61 | 1750 | /* Handle all completers. */ |
252b5132 | 1751 | case 'c': |
28252e61 JL |
1752 | switch (*++args) |
1753 | { | |
1754 | ||
1755 | /* Handle a completer for an indexing load or store. */ | |
1756 | case 'x': | |
252b5132 | 1757 | { |
28252e61 JL |
1758 | int uu = 0; |
1759 | int m = 0; | |
1760 | int i = 0; | |
1761 | while (*s == ',' && i < 2) | |
252b5132 | 1762 | { |
28252e61 JL |
1763 | s++; |
1764 | if (strncasecmp (s, "sm", 2) == 0) | |
1765 | { | |
1766 | uu = 1; | |
1767 | m = 1; | |
1768 | s++; | |
1769 | i++; | |
1770 | } | |
1771 | else if (strncasecmp (s, "m", 1) == 0) | |
1772 | m = 1; | |
d53d2751 JL |
1773 | else if ((strncasecmp (s, "s ", 2) == 0) |
1774 | || (strncasecmp (s, "s,", 2) == 0)) | |
28252e61 | 1775 | uu = 1; |
0f4f8b56 JL |
1776 | /* When in strict mode this is a match failure. */ |
1777 | else if (strict) | |
d53d2751 JL |
1778 | { |
1779 | s--; | |
1780 | break; | |
1781 | } | |
28252e61 JL |
1782 | else |
1783 | as_bad (_("Invalid Indexed Load Completer.")); | |
252b5132 RH |
1784 | s++; |
1785 | i++; | |
1786 | } | |
28252e61 JL |
1787 | if (i > 2) |
1788 | as_bad (_("Invalid Indexed Load Completer Syntax.")); | |
1789 | opcode |= m << 5; | |
1790 | INSERT_FIELD_AND_CONTINUE (opcode, uu, 13); | |
252b5132 | 1791 | } |
252b5132 | 1792 | |
28252e61 JL |
1793 | /* Handle a short load/store completer. */ |
1794 | case 'm': | |
61dd1d31 | 1795 | case 'q': |
71823da4 | 1796 | case 'J': |
d53d2751 | 1797 | case 'e': |
252b5132 | 1798 | { |
28252e61 JL |
1799 | int a = 0; |
1800 | int m = 0; | |
1801 | if (*s == ',') | |
252b5132 | 1802 | { |
d53d2751 | 1803 | int found = 0; |
28252e61 JL |
1804 | s++; |
1805 | if (strncasecmp (s, "ma", 2) == 0) | |
1806 | { | |
1807 | a = 0; | |
1808 | m = 1; | |
d53d2751 | 1809 | found = 1; |
28252e61 JL |
1810 | } |
1811 | else if (strncasecmp (s, "mb", 2) == 0) | |
1812 | { | |
1813 | a = 1; | |
1814 | m = 1; | |
d53d2751 | 1815 | found = 1; |
28252e61 | 1816 | } |
d53d2751 JL |
1817 | |
1818 | /* When in strict mode, pass through for cache op. */ | |
1819 | if (!found && strict) | |
1820 | s--; | |
28252e61 | 1821 | else |
d53d2751 JL |
1822 | { |
1823 | if (!found) | |
1824 | as_bad (_("Invalid Short Load/Store Completer.")); | |
1825 | s += 2; | |
1826 | } | |
252b5132 | 1827 | } |
65fab780 | 1828 | /* If we did not get a ma/mb completer, then we do not |
d53d2751 JL |
1829 | consider this a positive match for 'ce'. */ |
1830 | else if (*args == 'e') | |
65fab780 | 1831 | break; |
252b5132 | 1832 | |
71823da4 JL |
1833 | /* 'J', 'm' and 'q' are the same, except for where they |
1834 | encode the before/after field. */ | |
61dd1d31 JL |
1835 | if (*args == 'm') |
1836 | { | |
1837 | opcode |= m << 5; | |
1838 | INSERT_FIELD_AND_CONTINUE (opcode, a, 13); | |
1839 | } | |
1840 | else if (*args == 'q') | |
1841 | { | |
1842 | opcode |= m << 3; | |
1843 | INSERT_FIELD_AND_CONTINUE (opcode, a, 2); | |
1844 | } | |
71823da4 JL |
1845 | else if (*args == 'J') |
1846 | { | |
1847 | /* M bit is explicit in the major opcode. */ | |
1848 | INSERT_FIELD_AND_CONTINUE (opcode, a, 2); | |
1849 | } | |
d53d2751 | 1850 | else if (*args == 'e') |
65fab780 JL |
1851 | { |
1852 | /* Gross! Hide these values in the immediate field | |
1853 | of the instruction, then pull them out later. */ | |
1854 | opcode |= m << 8; | |
1855 | opcode |= a << 9; | |
1856 | continue; | |
1857 | } | |
252b5132 | 1858 | } |
252b5132 | 1859 | |
28252e61 JL |
1860 | /* Handle a stbys completer. */ |
1861 | case 's': | |
252b5132 | 1862 | { |
28252e61 JL |
1863 | int a = 0; |
1864 | int m = 0; | |
1865 | int i = 0; | |
1866 | while (*s == ',' && i < 2) | |
1867 | { | |
1868 | s++; | |
1869 | if (strncasecmp (s, "m", 1) == 0) | |
1870 | m = 1; | |
d53d2751 JL |
1871 | else if ((strncasecmp (s, "b ", 2) == 0) |
1872 | || (strncasecmp (s, "b,", 2) == 0)) | |
28252e61 JL |
1873 | a = 0; |
1874 | else if (strncasecmp (s, "e", 1) == 0) | |
1875 | a = 1; | |
0f4f8b56 JL |
1876 | /* When in strict mode this is a match failure. */ |
1877 | else if (strict) | |
d53d2751 JL |
1878 | { |
1879 | s--; | |
1880 | break; | |
1881 | } | |
28252e61 JL |
1882 | else |
1883 | as_bad (_("Invalid Store Bytes Short Completer")); | |
1884 | s++; | |
1885 | i++; | |
1886 | } | |
1887 | if (i > 2) | |
252b5132 | 1888 | as_bad (_("Invalid Store Bytes Short Completer")); |
28252e61 JL |
1889 | opcode |= m << 5; |
1890 | INSERT_FIELD_AND_CONTINUE (opcode, a, 13); | |
252b5132 | 1891 | } |
28252e61 | 1892 | |
d53d2751 JL |
1893 | /* Handle load cache hint completer. */ |
1894 | case 'c': | |
1895 | cmpltr = 0; | |
1896 | if (!strncmp(s, ",sl", 3)) | |
1897 | { | |
1898 | s += 3; | |
1899 | cmpltr = 2; | |
1900 | } | |
1901 | INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 10); | |
1902 | ||
1903 | /* Handle store cache hint completer. */ | |
1904 | case 'C': | |
1905 | cmpltr = 0; | |
1906 | if (!strncmp(s, ",sl", 3)) | |
1907 | { | |
1908 | s += 3; | |
1909 | cmpltr = 2; | |
1910 | } | |
1911 | else if (!strncmp(s, ",bc", 3)) | |
1912 | { | |
1913 | s += 3; | |
1914 | cmpltr = 1; | |
1915 | } | |
1916 | INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 10); | |
1917 | ||
1918 | /* Handle load and clear cache hint completer. */ | |
1919 | case 'd': | |
1920 | cmpltr = 0; | |
1921 | if (!strncmp(s, ",co", 3)) | |
1922 | { | |
1923 | s += 3; | |
1924 | cmpltr = 1; | |
1925 | } | |
1926 | INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 10); | |
1927 | ||
1928 | /* Handle load ordering completer. */ | |
1929 | case 'o': | |
1930 | if (strncmp(s, ",o", 2) != 0) | |
1931 | break; | |
1932 | s += 2; | |
1933 | continue; | |
1934 | ||
ce674324 JL |
1935 | /* Handle a branch gate completer. */ |
1936 | case 'g': | |
1937 | if (strncasecmp (s, ",gate", 5) != 0) | |
1938 | break; | |
1939 | s += 5; | |
1940 | continue; | |
1941 | ||
1942 | /* Handle a branch link and push completer. */ | |
1943 | case 'p': | |
1944 | if (strncasecmp (s, ",l,push", 7) != 0) | |
1945 | break; | |
1946 | s += 7; | |
1947 | continue; | |
1948 | ||
1949 | /* Handle a branch link completer. */ | |
1950 | case 'l': | |
1951 | if (strncasecmp (s, ",l", 2) != 0) | |
1952 | break; | |
1953 | s += 2; | |
1954 | continue; | |
1955 | ||
1956 | /* Handle a branch pop completer. */ | |
1957 | case 'P': | |
1958 | if (strncasecmp (s, ",pop", 4) != 0) | |
1959 | break; | |
1960 | s += 4; | |
1961 | continue; | |
1962 | ||
680ef6de JL |
1963 | /* Handle a local processor completer. */ |
1964 | case 'L': | |
1965 | if (strncasecmp (s, ",l", 2) != 0) | |
1966 | break; | |
1967 | s += 2; | |
1968 | continue; | |
1969 | ||
1970 | /* Handle a PROBE read/write completer. */ | |
1971 | case 'w': | |
1972 | flag = 0; | |
1973 | if (!strncasecmp (s, ",w", 2)) | |
1974 | { | |
1975 | flag = 1; | |
1976 | s += 2; | |
1977 | } | |
1978 | else if (!strncasecmp (s, ",r", 2)) | |
1979 | { | |
1980 | flag = 0; | |
1981 | s += 2; | |
1982 | } | |
1983 | ||
1984 | INSERT_FIELD_AND_CONTINUE (opcode, flag, 6); | |
1985 | ||
1986 | /* Handle MFCTL wide completer. */ | |
d53d2751 | 1987 | case 'W': |
680ef6de JL |
1988 | if (strncasecmp (s, ",w", 2) != 0) |
1989 | break; | |
1990 | s += 2; | |
1991 | continue; | |
1992 | ||
1993 | /* Handle an RFI restore completer. */ | |
1994 | case 'r': | |
1995 | flag = 0; | |
1996 | if (!strncasecmp (s, ",r", 2)) | |
1997 | { | |
1998 | flag = 5; | |
1999 | s += 2; | |
2000 | } | |
2001 | ||
2002 | INSERT_FIELD_AND_CONTINUE (opcode, flag, 5); | |
2003 | ||
28252e61 JL |
2004 | /* Handle a system control completer. */ |
2005 | case 'Z': | |
2006 | if (*s == ',' && (*(s + 1) == 'm' || *(s + 1) == 'M')) | |
2007 | { | |
2008 | flag = 1; | |
2009 | s += 2; | |
2010 | } | |
2011 | else | |
2012 | flag = 0; | |
2013 | ||
2014 | INSERT_FIELD_AND_CONTINUE (opcode, flag, 5); | |
2015 | ||
680ef6de JL |
2016 | /* Handle intermediate/final completer for DCOR. */ |
2017 | case 'i': | |
2018 | flag = 0; | |
2019 | if (!strncasecmp (s, ",i", 2)) | |
2020 | { | |
2021 | flag = 1; | |
2022 | s += 2; | |
2023 | } | |
2024 | ||
2025 | INSERT_FIELD_AND_CONTINUE (opcode, flag, 6); | |
2026 | ||
9e4f2d3a JL |
2027 | /* Handle zero/sign extension completer. */ |
2028 | case 'z': | |
2029 | flag = 1; | |
2030 | if (!strncasecmp (s, ",z", 2)) | |
2031 | { | |
2032 | flag = 0; | |
2033 | s += 2; | |
2034 | } | |
2035 | ||
2036 | INSERT_FIELD_AND_CONTINUE (opcode, flag, 10); | |
2037 | ||
680ef6de JL |
2038 | /* Handle add completer. */ |
2039 | case 'a': | |
2040 | flag = 1; | |
2041 | if (!strncasecmp (s, ",l", 2)) | |
2042 | { | |
2043 | flag = 2; | |
2044 | s += 2; | |
2045 | } | |
2046 | else if (!strncasecmp (s, ",tsv", 4)) | |
2047 | { | |
2048 | flag = 3; | |
2049 | s += 4; | |
2050 | } | |
d53d2751 | 2051 | |
680ef6de JL |
2052 | INSERT_FIELD_AND_CONTINUE (opcode, flag, 10); |
2053 | ||
2054 | /* Handle 64 bit carry for ADD. */ | |
2055 | case 'Y': | |
2056 | flag = 0; | |
2057 | if (!strncasecmp (s, ",dc,tsv", 7) || | |
2058 | !strncasecmp (s, ",tsv,dc", 7)) | |
2059 | { | |
2060 | flag = 1; | |
2061 | s += 7; | |
2062 | } | |
2063 | else if (!strncasecmp (s, ",dc", 3)) | |
2064 | { | |
2065 | flag = 0; | |
2066 | s += 3; | |
2067 | } | |
2068 | else | |
2069 | break; | |
2070 | ||
2071 | INSERT_FIELD_AND_CONTINUE (opcode, flag, 11); | |
2072 | ||
2073 | /* Handle 32 bit carry for ADD. */ | |
2074 | case 'y': | |
2075 | flag = 0; | |
2076 | if (!strncasecmp (s, ",c,tsv", 6) || | |
2077 | !strncasecmp (s, ",tsv,c", 6)) | |
2078 | { | |
2079 | flag = 1; | |
2080 | s += 6; | |
2081 | } | |
2082 | else if (!strncasecmp (s, ",c", 2)) | |
2083 | { | |
2084 | flag = 0; | |
2085 | s += 2; | |
2086 | } | |
2087 | else | |
2088 | break; | |
2089 | ||
2090 | INSERT_FIELD_AND_CONTINUE (opcode, flag, 11); | |
2091 | ||
2092 | /* Handle trap on signed overflow. */ | |
2093 | case 'v': | |
2094 | flag = 0; | |
2095 | if (!strncasecmp (s, ",tsv", 4)) | |
2096 | { | |
2097 | flag = 1; | |
2098 | s += 4; | |
2099 | } | |
2100 | ||
2101 | INSERT_FIELD_AND_CONTINUE (opcode, flag, 11); | |
2102 | ||
2103 | /* Handle trap on condition and overflow. */ | |
2104 | case 't': | |
2105 | flag = 0; | |
2106 | if (!strncasecmp (s, ",tc,tsv", 7) || | |
2107 | !strncasecmp (s, ",tsv,tc", 7)) | |
2108 | { | |
2109 | flag = 1; | |
2110 | s += 7; | |
2111 | } | |
2112 | else if (!strncasecmp (s, ",tc", 3)) | |
2113 | { | |
2114 | flag = 0; | |
2115 | s += 3; | |
2116 | } | |
2117 | else | |
2118 | break; | |
2119 | ||
2120 | INSERT_FIELD_AND_CONTINUE (opcode, flag, 11); | |
2121 | ||
2122 | /* Handle 64 bit borrow for SUB. */ | |
2123 | case 'B': | |
2124 | flag = 0; | |
2125 | if (!strncasecmp (s, ",db,tsv", 7) || | |
2126 | !strncasecmp (s, ",tsv,db", 7)) | |
2127 | { | |
2128 | flag = 1; | |
2129 | s += 7; | |
2130 | } | |
2131 | else if (!strncasecmp (s, ",db", 3)) | |
2132 | { | |
2133 | flag = 0; | |
2134 | s += 3; | |
2135 | } | |
2136 | else | |
2137 | break; | |
2138 | ||
2139 | INSERT_FIELD_AND_CONTINUE (opcode, flag, 11); | |
2140 | ||
2141 | /* Handle 32 bit borrow for SUB. */ | |
2142 | case 'b': | |
2143 | flag = 0; | |
2144 | if (!strncasecmp (s, ",b,tsv", 6) || | |
2145 | !strncasecmp (s, ",tsv,b", 6)) | |
2146 | { | |
2147 | flag = 1; | |
2148 | s += 6; | |
2149 | } | |
2150 | else if (!strncasecmp (s, ",b", 2)) | |
2151 | { | |
2152 | flag = 0; | |
2153 | s += 2; | |
2154 | } | |
2155 | else | |
2156 | break; | |
2157 | ||
2158 | INSERT_FIELD_AND_CONTINUE (opcode, flag, 11); | |
2159 | ||
2160 | /* Handle trap condition completer for UADDCM. */ | |
2161 | case 'T': | |
2162 | flag = 0; | |
2163 | if (!strncasecmp (s, ",tc", 3)) | |
2164 | { | |
2165 | flag = 1; | |
2166 | s += 3; | |
2167 | } | |
2168 | ||
2169 | INSERT_FIELD_AND_CONTINUE (opcode, flag, 6); | |
2170 | ||
413c94ba JL |
2171 | /* Handle signed/unsigned at 21. */ |
2172 | case 'S': | |
2173 | { | |
2174 | int sign = 1; | |
2175 | if (strncasecmp (s, ",s", 2) == 0) | |
2176 | { | |
2177 | sign = 1; | |
2178 | s += 2; | |
2179 | } | |
2180 | else if (strncasecmp (s, ",u", 2) == 0) | |
2181 | { | |
2182 | sign = 0; | |
2183 | s += 2; | |
2184 | } | |
2185 | ||
2186 | INSERT_FIELD_AND_CONTINUE (opcode, sign, 10); | |
2187 | } | |
2188 | ||
2189 | /* Handle left/right combination at 17:18. */ | |
2190 | case 'h': | |
2191 | if (*s++ == ',') | |
2192 | { | |
2193 | int lr = 0; | |
2194 | if (*s == 'r') | |
2195 | lr = 2; | |
2196 | else if (*s == 'l') | |
2197 | lr = 0; | |
2198 | else | |
2199 | as_bad(_("Invalid left/right combination completer")); | |
2200 | ||
2201 | s++; | |
2202 | INSERT_FIELD_AND_CONTINUE (opcode, lr, 13); | |
2203 | } | |
2204 | else | |
2205 | as_bad(_("Invalid left/right combination completer")); | |
2206 | break; | |
2207 | ||
2208 | /* Handle saturation at 24:25. */ | |
2209 | case 'H': | |
2210 | { | |
2211 | int sat = 3; | |
2212 | if (strncasecmp (s, ",ss", 3) == 0) | |
2213 | { | |
2214 | sat = 1; | |
2215 | s += 3; | |
2216 | } | |
2217 | else if (strncasecmp (s, ",us", 3) == 0) | |
2218 | { | |
2219 | sat = 0; | |
2220 | s += 3; | |
2221 | } | |
2222 | ||
2223 | INSERT_FIELD_AND_CONTINUE (opcode, sat, 6); | |
2224 | } | |
2225 | ||
2226 | /* Handle permutation completer. */ | |
2227 | case '*': | |
2228 | if (*s++ == ',') | |
2229 | { | |
b1039fc4 | 2230 | int permloc[4]; |
413c94ba JL |
2231 | int perm = 0; |
2232 | int i = 0; | |
b1039fc4 JL |
2233 | permloc[0] = 13; |
2234 | permloc[1] = 10; | |
2235 | permloc[2] = 8; | |
2236 | permloc[3] = 6; | |
413c94ba JL |
2237 | for (; i < 4; i++) |
2238 | { | |
2239 | switch (*s++) | |
2240 | { | |
2241 | case '0': | |
2242 | perm = 0; | |
2243 | break; | |
2244 | case '1': | |
2245 | perm = 1; | |
2246 | break; | |
2247 | case '2': | |
2248 | perm = 2; | |
2249 | break; | |
2250 | case '3': | |
2251 | perm = 3; | |
2252 | break; | |
2253 | default: | |
2254 | as_bad(_("Invalid permutation completer")); | |
2255 | } | |
2256 | opcode |= perm << permloc[i]; | |
2257 | } | |
2258 | continue; | |
2259 | } | |
2260 | else | |
2261 | as_bad(_("Invalid permutation completer")); | |
2262 | break; | |
2263 | ||
28252e61 JL |
2264 | default: |
2265 | abort (); | |
2266 | } | |
2267 | break; | |
252b5132 | 2268 | |
55a914bc | 2269 | /* Handle all conditions. */ |
252b5132 | 2270 | case '?': |
55a914bc JL |
2271 | { |
2272 | args++; | |
2273 | switch (*args) | |
2274 | { | |
2275 | /* Handle FP compare conditions. */ | |
2276 | case 'f': | |
2277 | cond = pa_parse_fp_cmp_cond (&s); | |
2278 | INSERT_FIELD_AND_CONTINUE (opcode, cond, 0); | |
2279 | ||
2280 | /* Handle an add condition. */ | |
9a913dfb | 2281 | case 'A': |
55a914bc JL |
2282 | case 'a': |
2283 | cmpltr = 0; | |
2284 | flag = 0; | |
2285 | if (*s == ',') | |
2286 | { | |
2287 | s++; | |
9a913dfb JL |
2288 | |
2289 | /* 64 bit conditions. */ | |
2290 | if (*args == 'A') | |
2291 | { | |
2292 | if (*s == '*') | |
2293 | s++; | |
2294 | else | |
2295 | break; | |
2296 | } | |
17d9105c JL |
2297 | else if (*s == '*') |
2298 | break; | |
55a914bc | 2299 | name = s; |
9a913dfb | 2300 | |
680ef6de | 2301 | name = s; |
55a914bc JL |
2302 | while (*s != ',' && *s != ' ' && *s != '\t') |
2303 | s += 1; | |
2304 | c = *s; | |
2305 | *s = 0x00; | |
2306 | if (strcmp (name, "=") == 0) | |
2307 | cmpltr = 1; | |
2308 | else if (strcmp (name, "<") == 0) | |
2309 | cmpltr = 2; | |
2310 | else if (strcmp (name, "<=") == 0) | |
2311 | cmpltr = 3; | |
2312 | else if (strcasecmp (name, "nuv") == 0) | |
2313 | cmpltr = 4; | |
2314 | else if (strcasecmp (name, "znv") == 0) | |
2315 | cmpltr = 5; | |
2316 | else if (strcasecmp (name, "sv") == 0) | |
2317 | cmpltr = 6; | |
2318 | else if (strcasecmp (name, "od") == 0) | |
2319 | cmpltr = 7; | |
2320 | else if (strcasecmp (name, "tr") == 0) | |
2321 | { | |
2322 | cmpltr = 0; | |
2323 | flag = 1; | |
2324 | } | |
2325 | else if (strcmp (name, "<>") == 0) | |
2326 | { | |
2327 | cmpltr = 1; | |
2328 | flag = 1; | |
2329 | } | |
2330 | else if (strcmp (name, ">=") == 0) | |
2331 | { | |
2332 | cmpltr = 2; | |
2333 | flag = 1; | |
2334 | } | |
2335 | else if (strcmp (name, ">") == 0) | |
2336 | { | |
2337 | cmpltr = 3; | |
2338 | flag = 1; | |
2339 | } | |
2340 | else if (strcasecmp (name, "uv") == 0) | |
2341 | { | |
2342 | cmpltr = 4; | |
2343 | flag = 1; | |
2344 | } | |
2345 | else if (strcasecmp (name, "vnz") == 0) | |
2346 | { | |
2347 | cmpltr = 5; | |
2348 | flag = 1; | |
2349 | } | |
2350 | else if (strcasecmp (name, "nsv") == 0) | |
2351 | { | |
2352 | cmpltr = 6; | |
2353 | flag = 1; | |
2354 | } | |
2355 | else if (strcasecmp (name, "ev") == 0) | |
2356 | { | |
2357 | cmpltr = 7; | |
2358 | flag = 1; | |
2359 | } | |
9a913dfb JL |
2360 | /* ",*" is a valid condition. */ |
2361 | else if (*args == 'a') | |
55a914bc JL |
2362 | as_bad (_("Invalid Add Condition: %s"), name); |
2363 | *s = c; | |
2364 | } | |
2365 | opcode |= cmpltr << 13; | |
2366 | INSERT_FIELD_AND_CONTINUE (opcode, flag, 12); | |
252b5132 | 2367 | |
55a914bc JL |
2368 | /* Handle non-negated add and branch condition. */ |
2369 | case 'd': | |
2370 | cmpltr = pa_parse_nonneg_add_cmpltr (&s, 1); | |
2371 | if (cmpltr < 0) | |
2372 | { | |
d53d2751 | 2373 | as_bad (_("Invalid Add and Branch Condition: %c"), *s); |
55a914bc JL |
2374 | cmpltr = 0; |
2375 | } | |
2376 | INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13); | |
2377 | ||
d53d2751 | 2378 | /* Handle 64 bit wide-mode add and branch condition. */ |
9a913dfb | 2379 | case 'W': |
d53d2751 JL |
2380 | cmpltr = pa_parse_addb_64_cmpltr (&s); |
2381 | if (cmpltr < 0) | |
2382 | { | |
2383 | as_bad (_("Invalid Add and Branch Condition: %c"), *s); | |
2384 | cmpltr = 0; | |
2385 | } | |
2386 | else | |
2387 | { | |
2388 | /* Negated condition requires an opcode change. */ | |
2389 | opcode |= (cmpltr & 8) << 24; | |
2390 | } | |
2391 | INSERT_FIELD_AND_CONTINUE (opcode, cmpltr & 7, 13); | |
9a913dfb | 2392 | |
d53d2751 | 2393 | /* Handle a negated or non-negated add and branch |
55a914bc JL |
2394 | condition. */ |
2395 | case '@': | |
2396 | save_s = s; | |
2397 | cmpltr = pa_parse_nonneg_add_cmpltr (&s, 1); | |
2398 | if (cmpltr < 0) | |
2399 | { | |
2400 | s = save_s; | |
2401 | cmpltr = pa_parse_neg_add_cmpltr (&s, 1); | |
2402 | if (cmpltr < 0) | |
2403 | { | |
2404 | as_bad (_("Invalid Compare/Subtract Condition")); | |
2405 | cmpltr = 0; | |
2406 | } | |
2407 | else | |
2408 | { | |
2409 | /* Negated condition requires an opcode change. */ | |
2410 | opcode |= 1 << 27; | |
2411 | } | |
2412 | } | |
2413 | INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13); | |
252b5132 | 2414 | |
55a914bc | 2415 | /* Handle branch on bit conditions. */ |
9a913dfb | 2416 | case 'B': |
55a914bc JL |
2417 | case 'b': |
2418 | cmpltr = 0; | |
2419 | if (*s == ',') | |
2420 | { | |
2421 | s++; | |
9a913dfb JL |
2422 | |
2423 | if (*args == 'B') | |
2424 | { | |
2425 | if (*s == '*') | |
2426 | s++; | |
2427 | else | |
2428 | break; | |
2429 | } | |
17d9105c JL |
2430 | else if (*s == '*') |
2431 | break; | |
9a913dfb | 2432 | |
55a914bc JL |
2433 | if (strncmp (s, "<", 1) == 0) |
2434 | { | |
2435 | cmpltr = 0; | |
2436 | s++; | |
2437 | } | |
2438 | else if (strncmp (s, ">=", 2) == 0) | |
2439 | { | |
2440 | cmpltr = 1; | |
2441 | s += 2; | |
2442 | } | |
2443 | else | |
2444 | as_bad (_("Invalid Bit Branch Condition: %c"), *s); | |
2445 | } | |
2446 | INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 15); | |
252b5132 | 2447 | |
55a914bc | 2448 | /* Handle a compare/subtract condition. */ |
9a913dfb | 2449 | case 'S': |
55a914bc JL |
2450 | case 's': |
2451 | cmpltr = 0; | |
2452 | flag = 0; | |
2453 | if (*s == ',') | |
2454 | { | |
2455 | s++; | |
9a913dfb JL |
2456 | |
2457 | /* 64 bit conditions. */ | |
2458 | if (*args == 'S') | |
d53d2751 | 2459 | { |
9a913dfb JL |
2460 | if (*s == '*') |
2461 | s++; | |
2462 | else | |
2463 | break; | |
d53d2751 | 2464 | } |
17d9105c JL |
2465 | else if (*s == '*') |
2466 | break; | |
55a914bc | 2467 | name = s; |
d53d2751 | 2468 | |
680ef6de | 2469 | name = s; |
55a914bc JL |
2470 | while (*s != ',' && *s != ' ' && *s != '\t') |
2471 | s += 1; | |
2472 | c = *s; | |
2473 | *s = 0x00; | |
2474 | if (strcmp (name, "=") == 0) | |
2475 | cmpltr = 1; | |
2476 | else if (strcmp (name, "<") == 0) | |
2477 | cmpltr = 2; | |
2478 | else if (strcmp (name, "<=") == 0) | |
2479 | cmpltr = 3; | |
2480 | else if (strcasecmp (name, "<<") == 0) | |
2481 | cmpltr = 4; | |
2482 | else if (strcasecmp (name, "<<=") == 0) | |
2483 | cmpltr = 5; | |
2484 | else if (strcasecmp (name, "sv") == 0) | |
2485 | cmpltr = 6; | |
2486 | else if (strcasecmp (name, "od") == 0) | |
2487 | cmpltr = 7; | |
2488 | else if (strcasecmp (name, "tr") == 0) | |
2489 | { | |
2490 | cmpltr = 0; | |
2491 | flag = 1; | |
2492 | } | |
2493 | else if (strcmp (name, "<>") == 0) | |
2494 | { | |
2495 | cmpltr = 1; | |
2496 | flag = 1; | |
2497 | } | |
2498 | else if (strcmp (name, ">=") == 0) | |
2499 | { | |
2500 | cmpltr = 2; | |
2501 | flag = 1; | |
2502 | } | |
2503 | else if (strcmp (name, ">") == 0) | |
2504 | { | |
2505 | cmpltr = 3; | |
2506 | flag = 1; | |
2507 | } | |
2508 | else if (strcasecmp (name, ">>=") == 0) | |
2509 | { | |
2510 | cmpltr = 4; | |
2511 | flag = 1; | |
2512 | } | |
2513 | else if (strcasecmp (name, ">>") == 0) | |
2514 | { | |
2515 | cmpltr = 5; | |
2516 | flag = 1; | |
2517 | } | |
2518 | else if (strcasecmp (name, "nsv") == 0) | |
2519 | { | |
2520 | cmpltr = 6; | |
2521 | flag = 1; | |
2522 | } | |
2523 | else if (strcasecmp (name, "ev") == 0) | |
2524 | { | |
2525 | cmpltr = 7; | |
2526 | flag = 1; | |
2527 | } | |
9a913dfb JL |
2528 | /* ",*" is a valid condition. */ |
2529 | else if (*args != 'S') | |
55a914bc JL |
2530 | as_bad (_("Invalid Compare/Subtract Condition: %s"), |
2531 | name); | |
2532 | *s = c; | |
2533 | } | |
2534 | opcode |= cmpltr << 13; | |
2535 | INSERT_FIELD_AND_CONTINUE (opcode, flag, 12); | |
252b5132 | 2536 | |
55a914bc JL |
2537 | /* Handle a non-negated compare condition. */ |
2538 | case 't': | |
2539 | cmpltr = pa_parse_nonneg_cmpsub_cmpltr (&s, 1); | |
2540 | if (cmpltr < 0) | |
2541 | { | |
2542 | as_bad (_("Invalid Compare/Subtract Condition: %c"), *s); | |
2543 | cmpltr = 0; | |
2544 | } | |
2545 | INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13); | |
9a913dfb | 2546 | |
d53d2751 | 2547 | /* Handle a 32 bit compare and branch condition. */ |
55a914bc JL |
2548 | case 'n': |
2549 | save_s = s; | |
2550 | cmpltr = pa_parse_nonneg_cmpsub_cmpltr (&s, 1); | |
2551 | if (cmpltr < 0) | |
2552 | { | |
2553 | s = save_s; | |
2554 | cmpltr = pa_parse_neg_cmpsub_cmpltr (&s, 1); | |
2555 | if (cmpltr < 0) | |
2556 | { | |
d53d2751 | 2557 | as_bad (_("Invalid Compare and Branch Condition.")); |
55a914bc JL |
2558 | cmpltr = 0; |
2559 | } | |
2560 | else | |
2561 | { | |
2562 | /* Negated condition requires an opcode change. */ | |
2563 | opcode |= 1 << 27; | |
2564 | } | |
2565 | } | |
d53d2751 JL |
2566 | |
2567 | INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13); | |
2568 | ||
2569 | /* Handle a 64 bit compare and branch condition. */ | |
2570 | case 'N': | |
2571 | cmpltr = pa_parse_cmpb_64_cmpltr (&s); | |
2572 | if (cmpltr >= 0) | |
2573 | { | |
2574 | /* Negated condition requires an opcode change. */ | |
2575 | opcode |= (cmpltr & 8) << 26; | |
2576 | } | |
2577 | else | |
2578 | /* Not a 64 bit cond. Give 32 bit a chance. */ | |
2579 | break; | |
2580 | ||
2581 | INSERT_FIELD_AND_CONTINUE (opcode, cmpltr & 7, 13); | |
2582 | ||
2583 | /* Handle a 64 bit cmpib condition. */ | |
2584 | case 'Q': | |
2585 | cmpltr = pa_parse_cmpib_64_cmpltr (&s); | |
2586 | if (cmpltr < 0) | |
2587 | /* Not a 64 bit cond. Give 32 bit a chance. */ | |
2588 | break; | |
2589 | ||
55a914bc JL |
2590 | INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13); |
2591 | ||
2592 | /* Handle a logical instruction condition. */ | |
9a913dfb | 2593 | case 'L': |
55a914bc JL |
2594 | case 'l': |
2595 | cmpltr = 0; | |
2596 | flag = 0; | |
2597 | if (*s == ',') | |
2598 | { | |
2599 | s++; | |
9a913dfb JL |
2600 | |
2601 | /* 64 bit conditions. */ | |
2602 | if (*args == 'L') | |
2603 | { | |
2604 | if (*s == '*') | |
2605 | s++; | |
2606 | else | |
2607 | break; | |
2608 | } | |
17d9105c JL |
2609 | else if (*s == '*') |
2610 | break; | |
55a914bc | 2611 | name = s; |
d53d2751 | 2612 | |
680ef6de | 2613 | name = s; |
55a914bc JL |
2614 | while (*s != ',' && *s != ' ' && *s != '\t') |
2615 | s += 1; | |
2616 | c = *s; | |
2617 | *s = 0x00; | |
d53d2751 JL |
2618 | |
2619 | ||
55a914bc JL |
2620 | if (strcmp (name, "=") == 0) |
2621 | cmpltr = 1; | |
2622 | else if (strcmp (name, "<") == 0) | |
2623 | cmpltr = 2; | |
2624 | else if (strcmp (name, "<=") == 0) | |
2625 | cmpltr = 3; | |
2626 | else if (strcasecmp (name, "od") == 0) | |
2627 | cmpltr = 7; | |
2628 | else if (strcasecmp (name, "tr") == 0) | |
2629 | { | |
2630 | cmpltr = 0; | |
2631 | flag = 1; | |
2632 | } | |
2633 | else if (strcmp (name, "<>") == 0) | |
2634 | { | |
2635 | cmpltr = 1; | |
2636 | flag = 1; | |
2637 | } | |
2638 | else if (strcmp (name, ">=") == 0) | |
2639 | { | |
2640 | cmpltr = 2; | |
2641 | flag = 1; | |
2642 | } | |
2643 | else if (strcmp (name, ">") == 0) | |
2644 | { | |
2645 | cmpltr = 3; | |
2646 | flag = 1; | |
2647 | } | |
2648 | else if (strcasecmp (name, "ev") == 0) | |
2649 | { | |
2650 | cmpltr = 7; | |
2651 | flag = 1; | |
2652 | } | |
9a913dfb JL |
2653 | /* ",*" is a valid condition. */ |
2654 | else if (*args != 'L') | |
55a914bc JL |
2655 | as_bad (_("Invalid Logical Instruction Condition.")); |
2656 | *s = c; | |
2657 | } | |
2658 | opcode |= cmpltr << 13; | |
2659 | INSERT_FIELD_AND_CONTINUE (opcode, flag, 12); | |
2660 | ||
2661 | /* Handle a shift/extract/deposit condition. */ | |
9a913dfb | 2662 | case 'X': |
55a914bc JL |
2663 | case 'x': |
2664 | case 'y': | |
2665 | cmpltr = 0; | |
2666 | if (*s == ',') | |
2667 | { | |
2668 | save_s = s++; | |
2669 | ||
9a913dfb JL |
2670 | /* 64 bit conditions. */ |
2671 | if (*args == 'X') | |
2672 | { | |
2673 | if (*s == '*') | |
2674 | s++; | |
2675 | else | |
2676 | break; | |
2677 | } | |
17d9105c JL |
2678 | else if (*s == '*') |
2679 | break; | |
55a914bc | 2680 | name = s; |
d53d2751 | 2681 | |
680ef6de | 2682 | name = s; |
55a914bc JL |
2683 | while (*s != ',' && *s != ' ' && *s != '\t') |
2684 | s += 1; | |
2685 | c = *s; | |
2686 | *s = 0x00; | |
2687 | if (strcmp (name, "=") == 0) | |
2688 | cmpltr = 1; | |
2689 | else if (strcmp (name, "<") == 0) | |
2690 | cmpltr = 2; | |
2691 | else if (strcasecmp (name, "od") == 0) | |
2692 | cmpltr = 3; | |
2693 | else if (strcasecmp (name, "tr") == 0) | |
2694 | cmpltr = 4; | |
2695 | else if (strcmp (name, "<>") == 0) | |
2696 | cmpltr = 5; | |
2697 | else if (strcmp (name, ">=") == 0) | |
2698 | cmpltr = 6; | |
2699 | else if (strcasecmp (name, "ev") == 0) | |
2700 | cmpltr = 7; | |
2701 | /* Handle movb,n. Put things back the way they were. | |
2702 | This includes moving s back to where it started. */ | |
2703 | else if (strcasecmp (name, "n") == 0 && *args == 'y') | |
2704 | { | |
2705 | *s = c; | |
2706 | s = save_s; | |
2707 | continue; | |
2708 | } | |
9a913dfb JL |
2709 | /* ",*" is a valid condition. */ |
2710 | else if (*args != 'X') | |
55a914bc JL |
2711 | as_bad (_("Invalid Shift/Extract/Deposit Condition.")); |
2712 | *s = c; | |
2713 | } | |
2714 | INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13); | |
252b5132 | 2715 | |
55a914bc | 2716 | /* Handle a unit instruction condition. */ |
9a913dfb JL |
2717 | case 'U': |
2718 | case 'u': | |
55a914bc JL |
2719 | cmpltr = 0; |
2720 | flag = 0; | |
2721 | if (*s == ',') | |
2722 | { | |
2723 | s++; | |
d53d2751 | 2724 | |
9a913dfb JL |
2725 | /* 64 bit conditions. */ |
2726 | if (*args == 'U') | |
2727 | { | |
2728 | if (*s == '*') | |
2729 | s++; | |
2730 | else | |
2731 | break; | |
2732 | } | |
17d9105c JL |
2733 | else if (*s == '*') |
2734 | break; | |
d53d2751 | 2735 | |
55a914bc JL |
2736 | if (strncasecmp (s, "sbz", 3) == 0) |
2737 | { | |
2738 | cmpltr = 2; | |
2739 | s += 3; | |
2740 | } | |
2741 | else if (strncasecmp (s, "shz", 3) == 0) | |
2742 | { | |
2743 | cmpltr = 3; | |
2744 | s += 3; | |
2745 | } | |
2746 | else if (strncasecmp (s, "sdc", 3) == 0) | |
2747 | { | |
2748 | cmpltr = 4; | |
2749 | s += 3; | |
2750 | } | |
2751 | else if (strncasecmp (s, "sbc", 3) == 0) | |
2752 | { | |
2753 | cmpltr = 6; | |
2754 | s += 3; | |
2755 | } | |
2756 | else if (strncasecmp (s, "shc", 3) == 0) | |
2757 | { | |
2758 | cmpltr = 7; | |
2759 | s += 3; | |
2760 | } | |
2761 | else if (strncasecmp (s, "tr", 2) == 0) | |
2762 | { | |
2763 | cmpltr = 0; | |
2764 | flag = 1; | |
2765 | s += 2; | |
2766 | } | |
2767 | else if (strncasecmp (s, "nbz", 3) == 0) | |
2768 | { | |
2769 | cmpltr = 2; | |
2770 | flag = 1; | |
2771 | s += 3; | |
2772 | } | |
2773 | else if (strncasecmp (s, "nhz", 3) == 0) | |
2774 | { | |
2775 | cmpltr = 3; | |
2776 | flag = 1; | |
2777 | s += 3; | |
2778 | } | |
2779 | else if (strncasecmp (s, "ndc", 3) == 0) | |
2780 | { | |
2781 | cmpltr = 4; | |
2782 | flag = 1; | |
2783 | s += 3; | |
2784 | } | |
2785 | else if (strncasecmp (s, "nbc", 3) == 0) | |
2786 | { | |
2787 | cmpltr = 6; | |
2788 | flag = 1; | |
2789 | s += 3; | |
2790 | } | |
2791 | else if (strncasecmp (s, "nhc", 3) == 0) | |
2792 | { | |
2793 | cmpltr = 7; | |
2794 | flag = 1; | |
2795 | s += 3; | |
2796 | } | |
afbf211f JL |
2797 | else if (strncasecmp (s, "swz", 3) == 0) |
2798 | { | |
2799 | cmpltr = 1; | |
2800 | flag = 0; | |
2801 | s += 3; | |
2802 | } | |
2803 | else if (strncasecmp (s, "swc", 3) == 0) | |
2804 | { | |
2805 | cmpltr = 5; | |
2806 | flag = 0; | |
2807 | s += 3; | |
2808 | } | |
2809 | else if (strncasecmp (s, "nwz", 3) == 0) | |
2810 | { | |
2811 | cmpltr = 1; | |
2812 | flag = 1; | |
2813 | s += 3; | |
2814 | } | |
2815 | else if (strncasecmp (s, "nwc", 3) == 0) | |
2816 | { | |
2817 | cmpltr = 5; | |
2818 | flag = 1; | |
2819 | s += 3; | |
2820 | } | |
9a913dfb JL |
2821 | /* ",*" is a valid condition. */ |
2822 | else if (*args != 'U') | |
55a914bc JL |
2823 | as_bad (_("Invalid Unit Instruction Condition.")); |
2824 | } | |
2825 | opcode |= cmpltr << 13; | |
2826 | INSERT_FIELD_AND_CONTINUE (opcode, flag, 12); | |
252b5132 | 2827 | |
55a914bc JL |
2828 | default: |
2829 | abort (); | |
2830 | } | |
0741736b | 2831 | break; |
55a914bc | 2832 | } |
252b5132 | 2833 | |
252b5132 RH |
2834 | /* Handle a nullification completer for branch instructions. */ |
2835 | case 'n': | |
2836 | nullif = pa_parse_nullif (&s); | |
2837 | INSERT_FIELD_AND_CONTINUE (opcode, nullif, 1); | |
2838 | ||
2839 | /* Handle a nullification completer for copr and spop insns. */ | |
2840 | case 'N': | |
2841 | nullif = pa_parse_nullif (&s); | |
2842 | INSERT_FIELD_AND_CONTINUE (opcode, nullif, 5); | |
2843 | ||
dbe2f9ee JL |
2844 | /* Handle ,%r2 completer for new syntax branches. */ |
2845 | case 'L': | |
54af6ff6 | 2846 | if (*s == ',' && strncasecmp (s + 1, "%r2", 3) == 0) |
dbe2f9ee | 2847 | s += 4; |
54af6ff6 | 2848 | else if (*s == ',' && strncasecmp (s + 1, "%rp", 3) == 0) |
dbe2f9ee JL |
2849 | s += 4; |
2850 | else | |
2851 | break; | |
2852 | continue; | |
2853 | ||
1cf6ae67 JL |
2854 | /* Handle 3 bit entry into the fp compare array. Valid values |
2855 | are 0..6 inclusive. */ | |
2856 | case 'h': | |
2857 | get_expression (s); | |
2858 | s = expr_end; | |
2859 | if (the_insn.exp.X_op == O_constant) | |
2860 | { | |
2861 | num = evaluate_absolute (&the_insn); | |
2862 | CHECK_FIELD (num, 6, 0, 0); | |
2863 | num++; | |
2864 | INSERT_FIELD_AND_CONTINUE (opcode, num, 13); | |
2865 | } | |
2866 | else | |
2867 | break; | |
2868 | ||
2869 | /* Handle 3 bit entry into the fp compare array. Valid values | |
2870 | are 0..6 inclusive. */ | |
2871 | case 'm': | |
2872 | get_expression (s); | |
1cf6ae67 JL |
2873 | if (the_insn.exp.X_op == O_constant) |
2874 | { | |
b1039fc4 | 2875 | s = expr_end; |
1cf6ae67 JL |
2876 | num = evaluate_absolute (&the_insn); |
2877 | CHECK_FIELD (num, 6, 0, 0); | |
2878 | num = (num + 1) ^ 1; | |
2879 | INSERT_FIELD_AND_CONTINUE (opcode, num, 13); | |
2880 | } | |
2881 | else | |
b1039fc4 | 2882 | break; |
1cf6ae67 JL |
2883 | |
2884 | /* Handle graphics test completers for ftest */ | |
2885 | case '=': | |
2886 | { | |
2887 | num = pa_parse_ftest_gfx_completer (&s); | |
2888 | INSERT_FIELD_AND_CONTINUE (opcode, num, 0); | |
2889 | } | |
2890 | ||
252b5132 RH |
2891 | /* Handle a 11 bit immediate at 31. */ |
2892 | case 'i': | |
2893 | the_insn.field_selector = pa_chk_field_selector (&s); | |
2894 | get_expression (s); | |
2895 | s = expr_end; | |
2896 | if (the_insn.exp.X_op == O_constant) | |
2897 | { | |
2898 | num = evaluate_absolute (&the_insn); | |
2899 | CHECK_FIELD (num, 1023, -1024, 0); | |
2900 | low_sign_unext (num, 11, &num); | |
2901 | INSERT_FIELD_AND_CONTINUE (opcode, num, 0); | |
2902 | } | |
2903 | else | |
2904 | { | |
2905 | if (is_DP_relative (the_insn.exp)) | |
2906 | the_insn.reloc = R_HPPA_GOTOFF; | |
2907 | else if (is_PC_relative (the_insn.exp)) | |
2908 | the_insn.reloc = R_HPPA_PCREL_CALL; | |
2909 | else | |
2910 | the_insn.reloc = R_HPPA; | |
2911 | the_insn.format = 11; | |
2912 | continue; | |
2913 | } | |
2914 | ||
65fab780 JL |
2915 | /* Handle a 14 bit immediate at 31. */ |
2916 | case 'J': | |
2917 | the_insn.field_selector = pa_chk_field_selector (&s); | |
2918 | get_expression (s); | |
2919 | s = expr_end; | |
2920 | if (the_insn.exp.X_op == O_constant) | |
2921 | { | |
2922 | int a, m; | |
2923 | ||
2924 | /* XXX the completer stored away tibits of information | |
2925 | for us to extract. We need a cleaner way to do this. | |
2926 | Now that we have lots of letters again, it would be | |
2927 | good to rethink this. */ | |
2928 | m = (opcode & (1 << 8)) != 0; | |
2929 | a = (opcode & (1 << 9)) != 0; | |
2930 | opcode &= ~ (3 << 8); | |
2931 | num = evaluate_absolute (&the_insn); | |
fd232ac8 | 2932 | if ((a == 1 && num >= 0) || (a == 0 && num < 0)) |
65fab780 JL |
2933 | break; |
2934 | CHECK_FIELD (num, 8191, -8192, 0); | |
2935 | low_sign_unext (num, 14, &num); | |
2936 | INSERT_FIELD_AND_CONTINUE (opcode, num, 0); | |
2937 | } | |
2938 | else | |
2939 | { | |
2940 | break; | |
2941 | } | |
2942 | ||
2943 | /* Handle a 14 bit immediate at 31. */ | |
2944 | case 'K': | |
2945 | the_insn.field_selector = pa_chk_field_selector (&s); | |
2946 | get_expression (s); | |
2947 | s = expr_end; | |
2948 | if (the_insn.exp.X_op == O_constant) | |
2949 | { | |
2950 | int a, m; | |
2951 | ||
2952 | /* XXX the completer stored away tibits of information | |
2953 | for us to extract. We need a cleaner way to do this. | |
2954 | Now that we have lots of letters again, it would be | |
2955 | good to rethink this. */ | |
2956 | m = (opcode & (1 << 8)) != 0; | |
2957 | a = (opcode & (1 << 9)) != 0; | |
2958 | opcode &= ~ (3 << 8); | |
2959 | num = evaluate_absolute (&the_insn); | |
fd232ac8 | 2960 | if ((a == 1 && num < 0) || (a == 0 && num > 0)) |
65fab780 JL |
2961 | break; |
2962 | if (num % 4) | |
2963 | break; | |
2964 | CHECK_FIELD (num, 8191, -8192, 0); | |
2965 | if (num < 0) | |
2966 | opcode |= 1; | |
2967 | num &= 0x1fff; | |
2968 | num >>= 2; | |
2969 | INSERT_FIELD_AND_CONTINUE (opcode, num, 3); | |
2970 | } | |
2971 | else | |
2972 | { | |
2973 | break; | |
2974 | } | |
2975 | ||
61dd1d31 JL |
2976 | /* Handle 14 bit immediated, shifted left three times. */ |
2977 | case '#': | |
2978 | the_insn.field_selector = pa_chk_field_selector (&s); | |
2979 | get_expression (s); | |
2980 | s = expr_end; | |
2981 | if (the_insn.exp.X_op == O_constant) | |
2982 | { | |
2983 | num = evaluate_absolute (&the_insn); | |
2984 | if (num & 0x7) | |
2985 | break; | |
2986 | CHECK_FIELD (num, 8191, -8192, 0); | |
2987 | if (num < 0) | |
2988 | opcode |= 1; | |
2989 | num &= 0x1fff; | |
2990 | num >>= 3; | |
2991 | INSERT_FIELD_AND_CONTINUE (opcode, num, 4); | |
2992 | } | |
2993 | else | |
2994 | { | |
2995 | if (is_DP_relative (the_insn.exp)) | |
2996 | the_insn.reloc = R_HPPA_GOTOFF; | |
2997 | else if (is_PC_relative (the_insn.exp)) | |
2998 | the_insn.reloc = R_HPPA_PCREL_CALL; | |
2999 | else | |
3000 | the_insn.reloc = R_HPPA; | |
3001 | the_insn.format = 14; | |
3002 | continue; | |
3003 | } | |
3004 | break; | |
3005 | ||
3006 | /* Handle 14 bit immediate, shifted left twice. */ | |
3007 | case 'd': | |
3008 | the_insn.field_selector = pa_chk_field_selector (&s); | |
3009 | get_expression (s); | |
3010 | s = expr_end; | |
3011 | if (the_insn.exp.X_op == O_constant) | |
3012 | { | |
3013 | num = evaluate_absolute (&the_insn); | |
3014 | if (num & 0x3) | |
3015 | break; | |
3016 | CHECK_FIELD (num, 8191, -8192, 0); | |
3017 | if (num < 0) | |
3018 | opcode |= 1; | |
3019 | num &= 0x1fff; | |
3020 | num >>= 2; | |
3021 | INSERT_FIELD_AND_CONTINUE (opcode, num, 3); | |
3022 | } | |
3023 | else | |
3024 | { | |
3025 | if (is_DP_relative (the_insn.exp)) | |
3026 | the_insn.reloc = R_HPPA_GOTOFF; | |
3027 | else if (is_PC_relative (the_insn.exp)) | |
3028 | the_insn.reloc = R_HPPA_PCREL_CALL; | |
3029 | else | |
3030 | the_insn.reloc = R_HPPA; | |
3031 | the_insn.format = 14; | |
3032 | continue; | |
3033 | } | |
252b5132 RH |
3034 | |
3035 | /* Handle a 14 bit immediate at 31. */ | |
3036 | case 'j': | |
3037 | the_insn.field_selector = pa_chk_field_selector (&s); | |
3038 | get_expression (s); | |
3039 | s = expr_end; | |
3040 | if (the_insn.exp.X_op == O_constant) | |
3041 | { | |
3042 | num = evaluate_absolute (&the_insn); | |
3043 | CHECK_FIELD (num, 8191, -8192, 0); | |
3044 | low_sign_unext (num, 14, &num); | |
3045 | INSERT_FIELD_AND_CONTINUE (opcode, num, 0); | |
3046 | } | |
3047 | else | |
3048 | { | |
3049 | if (is_DP_relative (the_insn.exp)) | |
3050 | the_insn.reloc = R_HPPA_GOTOFF; | |
3051 | else if (is_PC_relative (the_insn.exp)) | |
3052 | the_insn.reloc = R_HPPA_PCREL_CALL; | |
3053 | else | |
3054 | the_insn.reloc = R_HPPA; | |
3055 | the_insn.format = 14; | |
3056 | continue; | |
3057 | } | |
3058 | ||
3059 | /* Handle a 21 bit immediate at 31. */ | |
3060 | case 'k': | |
3061 | the_insn.field_selector = pa_chk_field_selector (&s); | |
3062 | get_expression (s); | |
3063 | s = expr_end; | |
3064 | if (the_insn.exp.X_op == O_constant) | |
3065 | { | |
3066 | num = evaluate_absolute (&the_insn); | |
3067 | CHECK_FIELD (num >> 11, 1048575, -1048576, 0); | |
3068 | dis_assemble_21 (num, &num); | |
3069 | INSERT_FIELD_AND_CONTINUE (opcode, num, 0); | |
3070 | } | |
3071 | else | |
3072 | { | |
3073 | if (is_DP_relative (the_insn.exp)) | |
3074 | the_insn.reloc = R_HPPA_GOTOFF; | |
3075 | else if (is_PC_relative (the_insn.exp)) | |
3076 | the_insn.reloc = R_HPPA_PCREL_CALL; | |
3077 | else | |
3078 | the_insn.reloc = R_HPPA; | |
3079 | the_insn.format = 21; | |
3080 | continue; | |
3081 | } | |
3082 | ||
3083 | /* Handle a 12 bit branch displacement. */ | |
3084 | case 'w': | |
3085 | the_insn.field_selector = pa_chk_field_selector (&s); | |
3086 | get_expression (s); | |
3087 | s = expr_end; | |
3088 | the_insn.pcrel = 1; | |
3089 | if (!strcmp (S_GET_NAME (the_insn.exp.X_add_symbol), "L$0\001")) | |
3090 | { | |
3091 | unsigned int w1, w, result; | |
3092 | ||
3093 | num = evaluate_absolute (&the_insn); | |
3094 | if (num % 4) | |
3095 | { | |
3096 | as_bad (_("Branch to unaligned address")); | |
3097 | break; | |
3098 | } | |
3099 | CHECK_FIELD (num, 8199, -8184, 0); | |
3100 | sign_unext ((num - 8) >> 2, 12, &result); | |
3101 | dis_assemble_12 (result, &w1, &w); | |
3102 | INSERT_FIELD_AND_CONTINUE (opcode, ((w1 << 2) | w), 0); | |
3103 | } | |
3104 | else | |
3105 | { | |
3106 | the_insn.reloc = R_HPPA_PCREL_CALL; | |
3107 | the_insn.format = 12; | |
3108 | the_insn.arg_reloc = last_call_desc.arg_reloc; | |
3109 | memset (&last_call_desc, 0, sizeof (struct call_desc)); | |
3110 | s = expr_end; | |
3111 | continue; | |
3112 | } | |
3113 | ||
3114 | /* Handle a 17 bit branch displacement. */ | |
3115 | case 'W': | |
3116 | the_insn.field_selector = pa_chk_field_selector (&s); | |
3117 | get_expression (s); | |
3118 | s = expr_end; | |
3119 | the_insn.pcrel = 1; | |
3120 | if (!the_insn.exp.X_add_symbol | |
3121 | || !strcmp (S_GET_NAME (the_insn.exp.X_add_symbol), | |
3122 | "L$0\001")) | |
3123 | { | |
3124 | unsigned int w2, w1, w, result; | |
3125 | ||
3126 | num = evaluate_absolute (&the_insn); | |
3127 | if (num % 4) | |
3128 | { | |
3129 | as_bad (_("Branch to unaligned address")); | |
3130 | break; | |
3131 | } | |
3132 | CHECK_FIELD (num, 262143, -262144, 0); | |
3133 | ||
3134 | if (the_insn.exp.X_add_symbol) | |
3135 | num -= 8; | |
3136 | ||
3137 | sign_unext (num >> 2, 17, &result); | |
3138 | dis_assemble_17 (result, &w1, &w2, &w); | |
3139 | INSERT_FIELD_AND_CONTINUE (opcode, | |
3140 | ((w2 << 2) | (w1 << 16) | w), 0); | |
3141 | } | |
3142 | else | |
3143 | { | |
3144 | the_insn.reloc = R_HPPA_PCREL_CALL; | |
3145 | the_insn.format = 17; | |
3146 | the_insn.arg_reloc = last_call_desc.arg_reloc; | |
3147 | memset (&last_call_desc, 0, sizeof (struct call_desc)); | |
3148 | continue; | |
3149 | } | |
3150 | ||
77c02e18 JL |
3151 | /* Handle a 22 bit branch displacement. */ |
3152 | case 'X': | |
3153 | the_insn.field_selector = pa_chk_field_selector (&s); | |
3154 | get_expression (s); | |
3155 | s = expr_end; | |
3156 | the_insn.pcrel = 1; | |
3157 | if (!the_insn.exp.X_add_symbol | |
3158 | || !strcmp (S_GET_NAME (the_insn.exp.X_add_symbol), | |
3159 | "L$0\001")) | |
3160 | { | |
3161 | unsigned int w3, w2, w1, w, result; | |
3162 | ||
3163 | num = evaluate_absolute (&the_insn); | |
3164 | if (num % 4) | |
3165 | { | |
3166 | as_bad (_("Branch to unaligned address")); | |
3167 | break; | |
3168 | } | |
3169 | CHECK_FIELD (num, 8388607, -8388608, 0); | |
3170 | ||
3171 | if (the_insn.exp.X_add_symbol) | |
3172 | num -= 8; | |
3173 | ||
3174 | sign_unext (num >> 2, 22, &result); | |
3175 | dis_assemble_22 (result, &w3, &w1, &w2, &w); | |
3176 | INSERT_FIELD_AND_CONTINUE (opcode, | |
3177 | ((w3 << 21) | (w2 << 2) | |
3178 | | (w1 << 16) | w), | |
3179 | 0); | |
3180 | } | |
3181 | else | |
3182 | { | |
3183 | the_insn.reloc = R_HPPA_PCREL_CALL; | |
3184 | the_insn.format = 22; | |
3185 | the_insn.arg_reloc = last_call_desc.arg_reloc; | |
3186 | memset (&last_call_desc, 0, sizeof (struct call_desc)); | |
3187 | continue; | |
3188 | } | |
3189 | ||
252b5132 RH |
3190 | /* Handle an absolute 17 bit branch target. */ |
3191 | case 'z': | |
3192 | the_insn.field_selector = pa_chk_field_selector (&s); | |
3193 | get_expression (s); | |
3194 | s = expr_end; | |
3195 | the_insn.pcrel = 0; | |
3196 | if (!the_insn.exp.X_add_symbol | |
3197 | || !strcmp (S_GET_NAME (the_insn.exp.X_add_symbol), | |
3198 | "L$0\001")) | |
3199 | { | |
3200 | unsigned int w2, w1, w, result; | |
3201 | ||
3202 | num = evaluate_absolute (&the_insn); | |
3203 | if (num % 4) | |
3204 | { | |
3205 | as_bad (_("Branch to unaligned address")); | |
3206 | break; | |
3207 | } | |
3208 | CHECK_FIELD (num, 262143, -262144, 0); | |
3209 | ||
3210 | if (the_insn.exp.X_add_symbol) | |
3211 | num -= 8; | |
3212 | ||
3213 | sign_unext (num >> 2, 17, &result); | |
3214 | dis_assemble_17 (result, &w1, &w2, &w); | |
3215 | INSERT_FIELD_AND_CONTINUE (opcode, | |
3216 | ((w2 << 2) | (w1 << 16) | w), 0); | |
3217 | } | |
3218 | else | |
3219 | { | |
3220 | the_insn.reloc = R_HPPA_ABS_CALL; | |
3221 | the_insn.format = 17; | |
3222 | the_insn.arg_reloc = last_call_desc.arg_reloc; | |
3223 | memset (&last_call_desc, 0, sizeof (struct call_desc)); | |
3224 | continue; | |
3225 | } | |
3226 | ||
4964086a JL |
3227 | /* Handle '%r1' implicit operand of addil instruction. */ |
3228 | case 'Z': | |
3229 | if (*s == ',' && *(s + 1) == '%' && *(s + 3) == '1' | |
3230 | && (*(s + 2) == 'r' || *(s + 2) == 'R')) | |
3231 | { | |
3232 | s += 4; | |
3233 | continue; | |
3234 | } | |
3235 | else | |
3236 | break; | |
3237 | ||
ce674324 JL |
3238 | /* Handle '%sr0,%r31' implicit operand of be,l instruction. */ |
3239 | case 'Y': | |
3240 | if (strncasecmp (s, "%sr0,%r31", 9) != 0) | |
3241 | break; | |
3242 | s += 9; | |
3243 | continue; | |
3244 | ||
d53d2751 JL |
3245 | /* Handle immediate value of 0 for ordered load/store instructions. */ |
3246 | case '@': | |
3247 | if (*s != '0') | |
3248 | break; | |
3249 | s++; | |
3250 | continue; | |
3251 | ||
a97685e9 JL |
3252 | /* Handle a 2 bit shift count at 25. */ |
3253 | case '.': | |
3254 | num = pa_get_absolute_expression (&the_insn, &s); | |
0f4f8b56 JL |
3255 | if (strict && the_insn.exp.X_op != O_constant) |
3256 | break; | |
a97685e9 | 3257 | s = expr_end; |
0f4f8b56 | 3258 | CHECK_FIELD (num, 3, 1, strict); |
a97685e9 JL |
3259 | INSERT_FIELD_AND_CONTINUE (opcode, num, 6); |
3260 | ||
413c94ba JL |
3261 | /* Handle a 4 bit shift count at 25. */ |
3262 | case '*': | |
3263 | num = pa_get_absolute_expression (&the_insn, &s); | |
0f4f8b56 JL |
3264 | if (strict && the_insn.exp.X_op != O_constant) |
3265 | break; | |
413c94ba | 3266 | s = expr_end; |
0f4f8b56 | 3267 | CHECK_FIELD (num, 15, 0, strict); |
413c94ba JL |
3268 | INSERT_FIELD_AND_CONTINUE (opcode, num, 6); |
3269 | ||
252b5132 RH |
3270 | /* Handle a 5 bit shift count at 26. */ |
3271 | case 'p': | |
3272 | num = pa_get_absolute_expression (&the_insn, &s); | |
0f4f8b56 JL |
3273 | if (strict && the_insn.exp.X_op != O_constant) |
3274 | break; | |
252b5132 | 3275 | s = expr_end; |
0f4f8b56 | 3276 | CHECK_FIELD (num, 31, 0, strict); |
252b5132 RH |
3277 | INSERT_FIELD_AND_CONTINUE (opcode, 31 - num, 5); |
3278 | ||
a97685e9 JL |
3279 | /* Handle a 6 bit shift count at 20,22:26. */ |
3280 | case '~': | |
3281 | num = pa_get_absolute_expression (&the_insn, &s); | |
0f4f8b56 JL |
3282 | if (strict && the_insn.exp.X_op != O_constant) |
3283 | break; | |
a97685e9 | 3284 | s = expr_end; |
0f4f8b56 | 3285 | CHECK_FIELD (num, 63, 0, strict); |
a97685e9 JL |
3286 | num = 63 - num; |
3287 | opcode |= (num & 0x20) << 6; | |
3288 | INSERT_FIELD_AND_CONTINUE (opcode, num & 0x1f, 5); | |
3289 | ||
9e4f2d3a JL |
3290 | /* Handle a 6 bit field length at 23,27:31. */ |
3291 | case '%': | |
3292 | flag = 0; | |
3293 | num = pa_get_absolute_expression (&the_insn, &s); | |
0f4f8b56 JL |
3294 | if (strict && the_insn.exp.X_op != O_constant) |
3295 | break; | |
9e4f2d3a | 3296 | s = expr_end; |
0f4f8b56 | 3297 | CHECK_FIELD (num, 64, 1, strict); |
9e4f2d3a JL |
3298 | num--; |
3299 | opcode |= (num & 0x20) << 3; | |
3300 | num = 31 - (num & 0x1f); | |
3301 | INSERT_FIELD_AND_CONTINUE (opcode, num, 0); | |
3302 | ||
3303 | /* Handle a 6 bit field length at 19,27:31. */ | |
3304 | case '|': | |
3305 | num = pa_get_absolute_expression (&the_insn, &s); | |
0f4f8b56 JL |
3306 | if (strict && the_insn.exp.X_op != O_constant) |
3307 | break; | |
9e4f2d3a | 3308 | s = expr_end; |
0f4f8b56 | 3309 | CHECK_FIELD (num, 64, 1, strict); |
9e4f2d3a JL |
3310 | num--; |
3311 | opcode |= (num & 0x20) << 7; | |
3312 | num = 31 - (num & 0x1f); | |
3313 | INSERT_FIELD_AND_CONTINUE (opcode, num, 0); | |
3314 | ||
252b5132 RH |
3315 | /* Handle a 5 bit bit position at 26. */ |
3316 | case 'P': | |
3317 | num = pa_get_absolute_expression (&the_insn, &s); | |
0f4f8b56 JL |
3318 | if (strict && the_insn.exp.X_op != O_constant) |
3319 | break; | |
252b5132 | 3320 | s = expr_end; |
0f4f8b56 | 3321 | CHECK_FIELD (num, 31, 0, strict); |
252b5132 RH |
3322 | INSERT_FIELD_AND_CONTINUE (opcode, num, 5); |
3323 | ||
9e4f2d3a JL |
3324 | /* Handle a 6 bit bit position at 20,22:26. */ |
3325 | case 'q': | |
3326 | num = pa_get_absolute_expression (&the_insn, &s); | |
0f4f8b56 JL |
3327 | if (strict && the_insn.exp.X_op != O_constant) |
3328 | break; | |
9e4f2d3a | 3329 | s = expr_end; |
0f4f8b56 | 3330 | CHECK_FIELD (num, 63, 0, strict); |
9e4f2d3a JL |
3331 | opcode |= (num & 0x20) << 6; |
3332 | INSERT_FIELD_AND_CONTINUE (opcode, num & 0x1f, 5); | |
3333 | ||
afbf211f JL |
3334 | /* Handle a 5 bit immediate at 10 with 'd' as the complement |
3335 | of the high bit of the immediate. */ | |
3336 | case 'B': | |
3337 | num = pa_get_absolute_expression (&the_insn, &s); | |
3338 | if (strict && the_insn.exp.X_op != O_constant) | |
3339 | break; | |
3340 | s = expr_end; | |
3341 | CHECK_FIELD (num, 63, 0, strict); | |
3342 | if (num & 0x20) | |
3343 | ; | |
3344 | else | |
3345 | opcode |= (1 << 13); | |
3346 | INSERT_FIELD_AND_CONTINUE (opcode, num & 0x1f, 21); | |
3347 | ||
252b5132 RH |
3348 | /* Handle a 5 bit immediate at 10. */ |
3349 | case 'Q': | |
252b5132 | 3350 | num = pa_get_absolute_expression (&the_insn, &s); |
0f4f8b56 JL |
3351 | if (strict && the_insn.exp.X_op != O_constant) |
3352 | break; | |
252b5132 RH |
3353 | if (the_insn.exp.X_op != O_constant) |
3354 | break; | |
3355 | s = expr_end; | |
0f4f8b56 | 3356 | CHECK_FIELD (num, 31, 0, strict); |
252b5132 RH |
3357 | INSERT_FIELD_AND_CONTINUE (opcode, num, 21); |
3358 | ||
a97685e9 JL |
3359 | /* Handle a 9 bit immediate at 28. */ |
3360 | case '$': | |
3361 | num = pa_get_absolute_expression (&the_insn, &s); | |
0f4f8b56 JL |
3362 | if (strict && the_insn.exp.X_op != O_constant) |
3363 | break; | |
a97685e9 | 3364 | s = expr_end; |
0f4f8b56 | 3365 | CHECK_FIELD (num, 511, 1, strict); |
a97685e9 | 3366 | INSERT_FIELD_AND_CONTINUE (opcode, num, 3); |
d53d2751 | 3367 | |
252b5132 RH |
3368 | /* Handle a 13 bit immediate at 18. */ |
3369 | case 'A': | |
3370 | num = pa_get_absolute_expression (&the_insn, &s); | |
0f4f8b56 JL |
3371 | if (strict && the_insn.exp.X_op != O_constant) |
3372 | break; | |
252b5132 | 3373 | s = expr_end; |
0f4f8b56 | 3374 | CHECK_FIELD (num, 8191, 0, strict); |
252b5132 RH |
3375 | INSERT_FIELD_AND_CONTINUE (opcode, num, 13); |
3376 | ||
3377 | /* Handle a 26 bit immediate at 31. */ | |
3378 | case 'D': | |
3379 | num = pa_get_absolute_expression (&the_insn, &s); | |
0f4f8b56 JL |
3380 | if (strict && the_insn.exp.X_op != O_constant) |
3381 | break; | |
252b5132 | 3382 | s = expr_end; |
0f4f8b56 | 3383 | CHECK_FIELD (num, 671108864, 0, strict); |
252b5132 RH |
3384 | INSERT_FIELD_AND_CONTINUE (opcode, num, 0); |
3385 | ||
3386 | /* Handle a 3 bit SFU identifier at 25. */ | |
97e1581b | 3387 | case 'v': |
252b5132 RH |
3388 | if (*s++ != ',') |
3389 | as_bad (_("Invalid SFU identifier")); | |
3390 | num = pa_get_absolute_expression (&the_insn, &s); | |
0f4f8b56 JL |
3391 | if (strict && the_insn.exp.X_op != O_constant) |
3392 | break; | |
252b5132 | 3393 | s = expr_end; |
0f4f8b56 | 3394 | CHECK_FIELD (num, 7, 0, strict); |
252b5132 RH |
3395 | INSERT_FIELD_AND_CONTINUE (opcode, num, 6); |
3396 | ||
3397 | /* Handle a 20 bit SOP field for spop0. */ | |
3398 | case 'O': | |
3399 | num = pa_get_absolute_expression (&the_insn, &s); | |
0f4f8b56 JL |
3400 | if (strict && the_insn.exp.X_op != O_constant) |
3401 | break; | |
252b5132 | 3402 | s = expr_end; |
0f4f8b56 | 3403 | CHECK_FIELD (num, 1048575, 0, strict); |
252b5132 RH |
3404 | num = (num & 0x1f) | ((num & 0x000fffe0) << 6); |
3405 | INSERT_FIELD_AND_CONTINUE (opcode, num, 0); | |
3406 | ||
3407 | /* Handle a 15bit SOP field for spop1. */ | |
3408 | case 'o': | |
3409 | num = pa_get_absolute_expression (&the_insn, &s); | |
0f4f8b56 JL |
3410 | if (strict && the_insn.exp.X_op != O_constant) |
3411 | break; | |
252b5132 | 3412 | s = expr_end; |
0f4f8b56 | 3413 | CHECK_FIELD (num, 32767, 0, strict); |
252b5132 RH |
3414 | INSERT_FIELD_AND_CONTINUE (opcode, num, 11); |
3415 | ||
3416 | /* Handle a 10bit SOP field for spop3. */ | |
3417 | case '0': | |
3418 | num = pa_get_absolute_expression (&the_insn, &s); | |
0f4f8b56 JL |
3419 | if (strict && the_insn.exp.X_op != O_constant) |
3420 | break; | |
252b5132 | 3421 | s = expr_end; |
0f4f8b56 | 3422 | CHECK_FIELD (num, 1023, 0, strict); |
252b5132 RH |
3423 | num = (num & 0x1f) | ((num & 0x000003e0) << 6); |
3424 | INSERT_FIELD_AND_CONTINUE (opcode, num, 0); | |
3425 | ||
3426 | /* Handle a 15 bit SOP field for spop2. */ | |
3427 | case '1': | |
3428 | num = pa_get_absolute_expression (&the_insn, &s); | |
0f4f8b56 JL |
3429 | if (strict && the_insn.exp.X_op != O_constant) |
3430 | break; | |
252b5132 | 3431 | s = expr_end; |
0f4f8b56 | 3432 | CHECK_FIELD (num, 32767, 0, strict); |
252b5132 RH |
3433 | num = (num & 0x1f) | ((num & 0x00007fe0) << 6); |
3434 | INSERT_FIELD_AND_CONTINUE (opcode, num, 0); | |
3435 | ||
3436 | /* Handle a 3-bit co-processor ID field. */ | |
3437 | case 'u': | |
3438 | if (*s++ != ',') | |
3439 | as_bad (_("Invalid COPR identifier")); | |
3440 | num = pa_get_absolute_expression (&the_insn, &s); | |
0f4f8b56 JL |
3441 | if (strict && the_insn.exp.X_op != O_constant) |
3442 | break; | |
252b5132 | 3443 | s = expr_end; |
0f4f8b56 | 3444 | CHECK_FIELD (num, 7, 0, strict); |
252b5132 RH |
3445 | INSERT_FIELD_AND_CONTINUE (opcode, num, 6); |
3446 | ||
3447 | /* Handle a 22bit SOP field for copr. */ | |
3448 | case '2': | |
3449 | num = pa_get_absolute_expression (&the_insn, &s); | |
0f4f8b56 JL |
3450 | if (strict && the_insn.exp.X_op != O_constant) |
3451 | break; | |
252b5132 | 3452 | s = expr_end; |
0f4f8b56 | 3453 | CHECK_FIELD (num, 4194303, 0, strict); |
252b5132 RH |
3454 | num = (num & 0x1f) | ((num & 0x003fffe0) << 4); |
3455 | INSERT_FIELD_AND_CONTINUE (opcode, num, 0); | |
3456 | ||
1cf6ae67 JL |
3457 | /* Handle a source FP operand format completer. */ |
3458 | case '{': | |
3459 | if (*s == ',' && *(s+1) == 't') | |
3460 | { | |
3461 | the_insn.trunc = 1; | |
3462 | s += 2; | |
3463 | } | |
3464 | else | |
3465 | the_insn.trunc = 0; | |
3466 | flag = pa_parse_fp_cnv_format (&s); | |
3467 | the_insn.fpof1 = flag; | |
3468 | if (flag == W || flag == UW) | |
3469 | flag = SGL; | |
3470 | if (flag == DW || flag == UDW) | |
3471 | flag = DBL; | |
3472 | if (flag == QW || flag == UQW) | |
3473 | flag = QUAD; | |
3474 | INSERT_FIELD_AND_CONTINUE (opcode, flag, 11); | |
3475 | ||
3476 | /* Handle a destination FP operand format completer. */ | |
3477 | case '_': | |
3478 | /* pa_parse_format needs the ',' prefix. */ | |
3479 | s--; | |
3480 | flag = pa_parse_fp_cnv_format (&s); | |
3481 | the_insn.fpof2 = flag; | |
3482 | if (flag == W || flag == UW) | |
3483 | flag = SGL; | |
3484 | if (flag == DW || flag == UDW) | |
3485 | flag = DBL; | |
3486 | if (flag == QW || flag == UQW) | |
3487 | flag = QUAD; | |
3488 | opcode |= flag << 13; | |
3489 | if (the_insn.fpof1 == SGL | |
d53d2751 | 3490 | || the_insn.fpof1 == DBL |
1cf6ae67 JL |
3491 | || the_insn.fpof1 == QUAD) |
3492 | { | |
3493 | if (the_insn.fpof2 == SGL | |
3494 | || the_insn.fpof2 == DBL | |
3495 | || the_insn.fpof2 == QUAD) | |
3496 | flag = 0; | |
3497 | else if (the_insn.fpof2 == W | |
3498 | || the_insn.fpof2 == DW | |
3499 | || the_insn.fpof2 == QW) | |
3500 | flag = 2; | |
3501 | else if (the_insn.fpof2 == UW | |
3502 | || the_insn.fpof2 == UDW | |
3503 | || the_insn.fpof2 == UQW) | |
3504 | flag = 6; | |
3505 | else | |
3506 | abort (); | |
3507 | } | |
3508 | else if (the_insn.fpof1 == W | |
d53d2751 | 3509 | || the_insn.fpof1 == DW |
1cf6ae67 JL |
3510 | || the_insn.fpof1 == QW) |
3511 | { | |
3512 | if (the_insn.fpof2 == SGL | |
3513 | || the_insn.fpof2 == DBL | |
3514 | || the_insn.fpof2 == QUAD) | |
3515 | flag = 1; | |
3516 | else | |
3517 | abort (); | |
3518 | } | |
3519 | else if (the_insn.fpof1 == UW | |
d53d2751 | 3520 | || the_insn.fpof1 == UDW |
1cf6ae67 JL |
3521 | || the_insn.fpof1 == UQW) |
3522 | { | |
3523 | if (the_insn.fpof2 == SGL | |
3524 | || the_insn.fpof2 == DBL | |
3525 | || the_insn.fpof2 == QUAD) | |
3526 | flag = 5; | |
3527 | else | |
3528 | abort (); | |
3529 | } | |
3530 | flag |= the_insn.trunc; | |
3531 | INSERT_FIELD_AND_CONTINUE (opcode, flag, 15); | |
252b5132 RH |
3532 | |
3533 | /* Handle a source FP operand format completer. */ | |
3534 | case 'F': | |
3535 | flag = pa_parse_fp_format (&s); | |
3536 | the_insn.fpof1 = flag; | |
3537 | INSERT_FIELD_AND_CONTINUE (opcode, flag, 11); | |
3538 | ||
3539 | /* Handle a destination FP operand format completer. */ | |
3540 | case 'G': | |
3541 | /* pa_parse_format needs the ',' prefix. */ | |
3542 | s--; | |
3543 | flag = pa_parse_fp_format (&s); | |
3544 | the_insn.fpof2 = flag; | |
3545 | INSERT_FIELD_AND_CONTINUE (opcode, flag, 13); | |
3546 | ||
9ecc05f0 JL |
3547 | /* Handle a source FP operand format completer at 20. */ |
3548 | case 'I': | |
3549 | flag = pa_parse_fp_format (&s); | |
3550 | the_insn.fpof1 = flag; | |
3551 | INSERT_FIELD_AND_CONTINUE (opcode, flag, 11); | |
3552 | ||
97e1581b JL |
3553 | /* Handle a floating point operand format at 26. |
3554 | Only allows single and double precision. */ | |
3555 | case 'H': | |
3556 | flag = pa_parse_fp_format (&s); | |
3557 | switch (flag) | |
3558 | { | |
3559 | case SGL: | |
3560 | opcode |= 0x20; | |
3561 | case DBL: | |
3562 | the_insn.fpof1 = flag; | |
3563 | continue; | |
252b5132 | 3564 | |
97e1581b JL |
3565 | case QUAD: |
3566 | case ILLEGAL_FMT: | |
3567 | default: | |
3568 | as_bad (_("Invalid Floating Point Operand Format.")); | |
3569 | } | |
3570 | break; | |
252b5132 | 3571 | |
97e1581b JL |
3572 | /* Handle all floating point registers. */ |
3573 | case 'f': | |
3574 | switch (*++args) | |
3575 | { | |
3576 | /* Float target register. */ | |
3577 | case 't': | |
0f4f8b56 JL |
3578 | /* This should be more strict. Small steps. */ |
3579 | if (strict && *s != '%') | |
3580 | break; | |
e7c1f43c | 3581 | num = pa_parse_number (&s, 0); |
97e1581b JL |
3582 | CHECK_FIELD (num, 31, 0, 0); |
3583 | INSERT_FIELD_AND_CONTINUE (opcode, num, 0); | |
252b5132 | 3584 | |
97e1581b JL |
3585 | /* Float target register with L/R selection. */ |
3586 | case 'T': | |
252b5132 | 3587 | { |
97e1581b | 3588 | struct pa_11_fp_reg_struct result; |
252b5132 | 3589 | |
0f4f8b56 JL |
3590 | /* This should be more strict. Small steps. */ |
3591 | if (strict && *s != '%') | |
3592 | break; | |
e7c1f43c | 3593 | pa_parse_number (&s, &result); |
97e1581b JL |
3594 | CHECK_FIELD (result.number_part, 31, 0, 0); |
3595 | opcode |= result.number_part; | |
b53fcc20 | 3596 | |
97e1581b JL |
3597 | /* 0x30 opcodes are FP arithmetic operation opcodes |
3598 | and need to be turned into 0x38 opcodes. This | |
3599 | is not necessary for loads/stores. */ | |
3600 | if (need_pa11_opcode (&the_insn, &result) | |
3601 | && ((opcode & 0xfc000000) == 0x30000000)) | |
3602 | opcode |= 1 << 27; | |
b53fcc20 | 3603 | |
97e1581b JL |
3604 | INSERT_FIELD_AND_CONTINUE (opcode, result.l_r_select & 1, 6); |
3605 | } | |
252b5132 | 3606 | |
97e1581b JL |
3607 | /* Float operand 1. */ |
3608 | case 'a': | |
3609 | { | |
3610 | struct pa_11_fp_reg_struct result; | |
252b5132 | 3611 | |
0f4f8b56 JL |
3612 | /* This should be more strict. Small steps. */ |
3613 | if (strict && *s != '%') | |
3614 | break; | |
e7c1f43c | 3615 | pa_parse_number (&s, &result); |
97e1581b JL |
3616 | CHECK_FIELD (result.number_part, 31, 0, 0); |
3617 | opcode |= result.number_part << 21; | |
3618 | if (need_pa11_opcode (&the_insn, &result)) | |
3619 | { | |
3620 | opcode |= (result.l_r_select & 1) << 7; | |
3621 | opcode |= 1 << 27; | |
3622 | } | |
3623 | continue; | |
3624 | } | |
252b5132 | 3625 | |
97e1581b | 3626 | /* Float operand 1 with L/R selection. */ |
e061d86f | 3627 | case 'X': |
97e1581b | 3628 | case 'A': |
252b5132 | 3629 | { |
97e1581b JL |
3630 | struct pa_11_fp_reg_struct result; |
3631 | ||
0f4f8b56 JL |
3632 | /* This should be more strict. Small steps. */ |
3633 | if (strict && *s != '%') | |
3634 | break; | |
e7c1f43c | 3635 | pa_parse_number (&s, &result); |
97e1581b JL |
3636 | CHECK_FIELD (result.number_part, 31, 0, 0); |
3637 | opcode |= result.number_part << 21; | |
3638 | opcode |= (result.l_r_select & 1) << 7; | |
3639 | continue; | |
252b5132 | 3640 | } |
252b5132 | 3641 | |
97e1581b JL |
3642 | /* Float operand 2. */ |
3643 | case 'b': | |
3644 | { | |
3645 | struct pa_11_fp_reg_struct result; | |
252b5132 | 3646 | |
0f4f8b56 JL |
3647 | /* This should be more strict. Small steps. */ |
3648 | if (strict && *s != '%') | |
3649 | break; | |
e7c1f43c | 3650 | pa_parse_number (&s, &result); |
97e1581b JL |
3651 | CHECK_FIELD (result.number_part, 31, 0, 0); |
3652 | opcode |= (result.number_part & 0x1f) << 16; | |
3653 | if (need_pa11_opcode (&the_insn, &result)) | |
3654 | { | |
3655 | opcode |= (result.l_r_select & 1) << 12; | |
3656 | opcode |= 1 << 27; | |
3657 | } | |
3658 | continue; | |
3659 | } | |
3660 | ||
3661 | /* Float operand 2 with L/R selection. */ | |
3662 | case 'B': | |
252b5132 | 3663 | { |
97e1581b JL |
3664 | struct pa_11_fp_reg_struct result; |
3665 | ||
0f4f8b56 JL |
3666 | /* This should be more strict. Small steps. */ |
3667 | if (strict && *s != '%') | |
3668 | break; | |
e7c1f43c | 3669 | pa_parse_number (&s, &result); |
97e1581b JL |
3670 | CHECK_FIELD (result.number_part, 31, 0, 0); |
3671 | opcode |= (result.number_part & 0x1f) << 16; | |
252b5132 | 3672 | opcode |= (result.l_r_select & 1) << 12; |
97e1581b | 3673 | continue; |
252b5132 | 3674 | } |
252b5132 | 3675 | |
97e1581b JL |
3676 | /* Float operand 3 for fmpyfadd, fmpynfadd. */ |
3677 | case 'C': | |
3678 | { | |
3679 | struct pa_11_fp_reg_struct result; | |
97e1581b | 3680 | |
0f4f8b56 JL |
3681 | /* This should be more strict. Small steps. */ |
3682 | if (strict && *s != '%') | |
3683 | break; | |
e7c1f43c | 3684 | pa_parse_number (&s, &result); |
97e1581b JL |
3685 | CHECK_FIELD (result.number_part, 31, 0, 0); |
3686 | opcode |= (result.number_part & 0x1c) << 11; | |
3687 | opcode |= (result.number_part & 0x3) << 9; | |
3688 | opcode |= (result.l_r_select & 1) << 8; | |
3689 | continue; | |
3690 | } | |
b53fcc20 | 3691 | |
97e1581b JL |
3692 | /* Float mult operand 1 for fmpyadd, fmpysub */ |
3693 | case 'i': | |
3694 | { | |
3695 | struct pa_11_fp_reg_struct result; | |
b53fcc20 | 3696 | |
0f4f8b56 JL |
3697 | /* This should be more strict. Small steps. */ |
3698 | if (strict && *s != '%') | |
3699 | break; | |
e7c1f43c | 3700 | pa_parse_number (&s, &result); |
97e1581b JL |
3701 | CHECK_FIELD (result.number_part, 31, 0, 0); |
3702 | if (the_insn.fpof1 == SGL) | |
3703 | { | |
3704 | if (result.number_part < 16) | |
3705 | { | |
3706 | as_bad (_("Invalid register for single precision fmpyadd or fmpysub")); | |
3707 | break; | |
3708 | } | |
252b5132 | 3709 | |
97e1581b JL |
3710 | result.number_part &= 0xF; |
3711 | result.number_part |= (result.l_r_select & 1) << 4; | |
3712 | } | |
3713 | INSERT_FIELD_AND_CONTINUE (opcode, result.number_part, 21); | |
3714 | } | |
3715 | ||
3716 | /* Float mult operand 2 for fmpyadd, fmpysub */ | |
3717 | case 'j': | |
252b5132 | 3718 | { |
97e1581b | 3719 | struct pa_11_fp_reg_struct result; |
d53d2751 | 3720 | |
0f4f8b56 JL |
3721 | /* This should be more strict. Small steps. */ |
3722 | if (strict && *s != '%') | |
3723 | break; | |
e7c1f43c | 3724 | pa_parse_number (&s, &result); |
97e1581b JL |
3725 | CHECK_FIELD (result.number_part, 31, 0, 0); |
3726 | if (the_insn.fpof1 == SGL) | |
252b5132 | 3727 | { |
97e1581b JL |
3728 | if (result.number_part < 16) |
3729 | { | |
3730 | as_bad (_("Invalid register for single precision fmpyadd or fmpysub")); | |
3731 | break; | |
3732 | } | |
3733 | result.number_part &= 0xF; | |
3734 | result.number_part |= (result.l_r_select & 1) << 4; | |
252b5132 | 3735 | } |
97e1581b | 3736 | INSERT_FIELD_AND_CONTINUE (opcode, result.number_part, 16); |
252b5132 | 3737 | } |
252b5132 | 3738 | |
97e1581b JL |
3739 | /* Float mult target for fmpyadd, fmpysub */ |
3740 | case 'k': | |
252b5132 | 3741 | { |
97e1581b | 3742 | struct pa_11_fp_reg_struct result; |
d53d2751 | 3743 | |
0f4f8b56 JL |
3744 | /* This should be more strict. Small steps. */ |
3745 | if (strict && *s != '%') | |
3746 | break; | |
e7c1f43c | 3747 | pa_parse_number (&s, &result); |
97e1581b JL |
3748 | CHECK_FIELD (result.number_part, 31, 0, 0); |
3749 | if (the_insn.fpof1 == SGL) | |
252b5132 | 3750 | { |
97e1581b JL |
3751 | if (result.number_part < 16) |
3752 | { | |
3753 | as_bad (_("Invalid register for single precision fmpyadd or fmpysub")); | |
3754 | break; | |
3755 | } | |
3756 | result.number_part &= 0xF; | |
3757 | result.number_part |= (result.l_r_select & 1) << 4; | |
252b5132 | 3758 | } |
97e1581b | 3759 | INSERT_FIELD_AND_CONTINUE (opcode, result.number_part, 0); |
252b5132 | 3760 | } |
252b5132 | 3761 | |
97e1581b JL |
3762 | /* Float add operand 1 for fmpyadd, fmpysub */ |
3763 | case 'l': | |
252b5132 | 3764 | { |
97e1581b | 3765 | struct pa_11_fp_reg_struct result; |
d53d2751 | 3766 | |
0f4f8b56 JL |
3767 | /* This should be more strict. Small steps. */ |
3768 | if (strict && *s != '%') | |
3769 | break; | |
e7c1f43c | 3770 | pa_parse_number (&s, &result); |
97e1581b JL |
3771 | CHECK_FIELD (result.number_part, 31, 0, 0); |
3772 | if (the_insn.fpof1 == SGL) | |
252b5132 | 3773 | { |
97e1581b JL |
3774 | if (result.number_part < 16) |
3775 | { | |
3776 | as_bad (_("Invalid register for single precision fmpyadd or fmpysub")); | |
3777 | break; | |
3778 | } | |
3779 | result.number_part &= 0xF; | |
3780 | result.number_part |= (result.l_r_select & 1) << 4; | |
252b5132 | 3781 | } |
97e1581b | 3782 | INSERT_FIELD_AND_CONTINUE (opcode, result.number_part, 6); |
252b5132 | 3783 | } |
252b5132 | 3784 | |
97e1581b JL |
3785 | /* Float add target for fmpyadd, fmpysub */ |
3786 | case 'm': | |
252b5132 | 3787 | { |
97e1581b | 3788 | struct pa_11_fp_reg_struct result; |
d53d2751 | 3789 | |
0f4f8b56 JL |
3790 | /* This should be more strict. Small steps. */ |
3791 | if (strict && *s != '%') | |
3792 | break; | |
e7c1f43c | 3793 | pa_parse_number (&s, &result); |
97e1581b JL |
3794 | CHECK_FIELD (result.number_part, 31, 0, 0); |
3795 | if (the_insn.fpof1 == SGL) | |
252b5132 | 3796 | { |
97e1581b JL |
3797 | if (result.number_part < 16) |
3798 | { | |
3799 | as_bad (_("Invalid register for single precision fmpyadd or fmpysub")); | |
3800 | break; | |
3801 | } | |
3802 | result.number_part &= 0xF; | |
3803 | result.number_part |= (result.l_r_select & 1) << 4; | |
252b5132 | 3804 | } |
97e1581b | 3805 | INSERT_FIELD_AND_CONTINUE (opcode, result.number_part, 11); |
252b5132 | 3806 | } |
252b5132 | 3807 | |
71823da4 JL |
3808 | /* Handle L/R register halves like 'x'. */ |
3809 | case 'e': | |
3810 | { | |
3811 | struct pa_11_fp_reg_struct result; | |
3812 | ||
3813 | if (strict && *s != '%') | |
3814 | break; | |
3815 | pa_parse_number (&s, &result); | |
3816 | CHECK_FIELD (result.number_part, 31, 0, 0); | |
3817 | opcode |= (result.number_part & 0x1f) << 16; | |
3818 | if (need_pa11_opcode (&the_insn, &result)) | |
3819 | { | |
3820 | opcode |= (result.l_r_select & 1) << 1; | |
3821 | } | |
3822 | continue; | |
d3426803 | 3823 | } |
97e1581b JL |
3824 | default: |
3825 | abort (); | |
3826 | } | |
3827 | break; | |
3828 | ||
252b5132 RH |
3829 | default: |
3830 | abort (); | |
3831 | } | |
3832 | break; | |
3833 | } | |
3834 | ||
3835 | failed: | |
3836 | /* Check if the args matched. */ | |
3837 | if (match == FALSE) | |
3838 | { | |
3839 | if (&insn[1] - pa_opcodes < (int) NUMOPCODES | |
3840 | && !strcmp (insn->name, insn[1].name)) | |
3841 | { | |
3842 | ++insn; | |
3843 | s = argstart; | |
3844 | continue; | |
3845 | } | |
3846 | else | |
3847 | { | |
3848 | as_bad (_("Invalid operands %s"), error_message); | |
3849 | return; | |
3850 | } | |
3851 | } | |
3852 | break; | |
3853 | } | |
3854 | ||
3855 | the_insn.opcode = opcode; | |
3856 | } | |
3857 | ||
3858 | /* Turn a string in input_line_pointer into a floating point constant of type | |
3859 | type, and store the appropriate bytes in *litP. The number of LITTLENUMS | |
3860 | emitted is stored in *sizeP . An error message or NULL is returned. */ | |
3861 | ||
3862 | #define MAX_LITTLENUMS 6 | |
3863 | ||
3864 | char * | |
3865 | md_atof (type, litP, sizeP) | |
3866 | char type; | |
3867 | char *litP; | |
3868 | int *sizeP; | |
3869 | { | |
3870 | int prec; | |
3871 | LITTLENUM_TYPE words[MAX_LITTLENUMS]; | |
3872 | LITTLENUM_TYPE *wordP; | |
3873 | char *t; | |
3874 | ||
3875 | switch (type) | |
3876 | { | |
3877 | ||
3878 | case 'f': | |
3879 | case 'F': | |
3880 | case 's': | |
3881 | case 'S': | |
3882 | prec = 2; | |
3883 | break; | |
3884 | ||
3885 | case 'd': | |
3886 | case 'D': | |
3887 | case 'r': | |
3888 | case 'R': | |
3889 | prec = 4; | |
3890 | break; | |
3891 | ||
3892 | case 'x': | |
3893 | case 'X': | |
3894 | prec = 6; | |
3895 | break; | |
3896 | ||
3897 | case 'p': | |
3898 | case 'P': | |
3899 | prec = 6; | |
3900 | break; | |
3901 | ||
3902 | default: | |
3903 | *sizeP = 0; | |
3904 | return _("Bad call to MD_ATOF()"); | |
3905 | } | |
3906 | t = atof_ieee (input_line_pointer, type, words); | |
3907 | if (t) | |
3908 | input_line_pointer = t; | |
3909 | *sizeP = prec * sizeof (LITTLENUM_TYPE); | |
3910 | for (wordP = words; prec--;) | |
3911 | { | |
3912 | md_number_to_chars (litP, (valueT) (*wordP++), sizeof (LITTLENUM_TYPE)); | |
3913 | litP += sizeof (LITTLENUM_TYPE); | |
3914 | } | |
3915 | return NULL; | |
3916 | } | |
3917 | ||
3918 | /* Write out big-endian. */ | |
3919 | ||
3920 | void | |
3921 | md_number_to_chars (buf, val, n) | |
3922 | char *buf; | |
3923 | valueT val; | |
3924 | int n; | |
3925 | { | |
3926 | number_to_chars_bigendian (buf, val, n); | |
3927 | } | |
3928 | ||
3929 | /* Translate internal representation of relocation info to BFD target | |
3930 | format. */ | |
3931 | ||
3932 | arelent ** | |
3933 | tc_gen_reloc (section, fixp) | |
3934 | asection *section; | |
3935 | fixS *fixp; | |
3936 | { | |
3937 | arelent *reloc; | |
3938 | struct hppa_fix_struct *hppa_fixp; | |
3939 | bfd_reloc_code_real_type code; | |
3940 | static arelent *no_relocs = NULL; | |
3941 | arelent **relocs; | |
3942 | bfd_reloc_code_real_type **codes; | |
3943 | int n_relocs; | |
3944 | int i; | |
3945 | ||
3946 | hppa_fixp = (struct hppa_fix_struct *) fixp->tc_fix_data; | |
3947 | if (fixp->fx_addsy == 0) | |
3948 | return &no_relocs; | |
3949 | assert (hppa_fixp != 0); | |
3950 | assert (section != 0); | |
3951 | ||
3952 | reloc = (arelent *) xmalloc (sizeof (arelent)); | |
3953 | ||
a0f75b47 ILT |
3954 | reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); |
3955 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); | |
252b5132 RH |
3956 | codes = (bfd_reloc_code_real_type **) hppa_gen_reloc_type (stdoutput, |
3957 | fixp->fx_r_type, | |
3958 | hppa_fixp->fx_r_format, | |
3959 | hppa_fixp->fx_r_field, | |
3960 | fixp->fx_subsy != NULL, | |
a0f75b47 | 3961 | symbol_get_bfdsym (fixp->fx_addsy)); |
252b5132 RH |
3962 | |
3963 | if (codes == NULL) | |
3964 | abort (); | |
3965 | ||
3966 | for (n_relocs = 0; codes[n_relocs]; n_relocs++) | |
3967 | ; | |
3968 | ||
3969 | relocs = (arelent **) xmalloc (sizeof (arelent *) * n_relocs + 1); | |
3970 | reloc = (arelent *) xmalloc (sizeof (arelent) * n_relocs); | |
3971 | for (i = 0; i < n_relocs; i++) | |
3972 | relocs[i] = &reloc[i]; | |
3973 | ||
3974 | relocs[n_relocs] = NULL; | |
3975 | ||
3976 | #ifdef OBJ_ELF | |
3977 | switch (fixp->fx_r_type) | |
3978 | { | |
3979 | default: | |
3980 | assert (n_relocs == 1); | |
3981 | ||
3982 | code = *codes[0]; | |
3983 | ||
a0f75b47 ILT |
3984 | reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); |
3985 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); | |
252b5132 RH |
3986 | reloc->howto = bfd_reloc_type_lookup (stdoutput, code); |
3987 | reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; | |
3988 | reloc->addend = 0; /* default */ | |
3989 | ||
3990 | assert (reloc->howto && code == reloc->howto->type); | |
3991 | ||
3992 | /* Now, do any processing that is dependent on the relocation type. */ | |
3993 | switch (code) | |
3994 | { | |
3995 | case R_PARISC_DLTREL21L: | |
3996 | case R_PARISC_DLTREL14R: | |
3997 | case R_PARISC_DLTREL14F: | |
3998 | case R_PARISC_PLABEL32: | |
3999 | case R_PARISC_PLABEL21L: | |
4000 | case R_PARISC_PLABEL14R: | |
4001 | /* For plabel relocations, the addend of the | |
4002 | relocation should be either 0 (no static link) or 2 | |
4003 | (static link required). | |
4004 | ||
4005 | FIXME: We always assume no static link! | |
4006 | ||
4007 | We also slam a zero addend into the DLT relative relocs; | |
4008 | it doesn't make a lot of sense to use any addend since | |
4009 | it gets you a different (eg unknown) DLT entry. */ | |
4010 | reloc->addend = 0; | |
4011 | break; | |
4012 | ||
4013 | case R_PARISC_PCREL21L: | |
4014 | case R_PARISC_PCREL17R: | |
4015 | case R_PARISC_PCREL17F: | |
4016 | case R_PARISC_PCREL17C: | |
4017 | case R_PARISC_PCREL14R: | |
4018 | case R_PARISC_PCREL14F: | |
4019 | /* The constant is stored in the instruction. */ | |
4020 | reloc->addend = HPPA_R_ADDEND (hppa_fixp->fx_arg_reloc, 0); | |
4021 | break; | |
4022 | default: | |
4023 | reloc->addend = fixp->fx_offset; | |
4024 | break; | |
4025 | } | |
4026 | break; | |
4027 | } | |
4028 | #else /* OBJ_SOM */ | |
4029 | ||
4030 | /* Walk over reach relocation returned by the BFD backend. */ | |
4031 | for (i = 0; i < n_relocs; i++) | |
4032 | { | |
4033 | code = *codes[i]; | |
4034 | ||
398e8c25 ILT |
4035 | relocs[i]->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); |
4036 | *relocs[i]->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); | |
252b5132 RH |
4037 | relocs[i]->howto = bfd_reloc_type_lookup (stdoutput, code); |
4038 | relocs[i]->address = fixp->fx_frag->fr_address + fixp->fx_where; | |
4039 | ||
4040 | switch (code) | |
4041 | { | |
4042 | case R_COMP2: | |
4043 | /* The only time we ever use a R_COMP2 fixup is for the difference | |
4044 | of two symbols. With that in mind we fill in all four | |
4045 | relocs now and break out of the loop. */ | |
4046 | assert (i == 1); | |
993142d5 | 4047 | relocs[0]->sym_ptr_ptr = (asymbol **) &(bfd_abs_symbol); |
252b5132 RH |
4048 | relocs[0]->howto = bfd_reloc_type_lookup (stdoutput, *codes[0]); |
4049 | relocs[0]->address = fixp->fx_frag->fr_address + fixp->fx_where; | |
4050 | relocs[0]->addend = 0; | |
993142d5 ILT |
4051 | relocs[1]->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); |
4052 | *relocs[1]->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); | |
252b5132 RH |
4053 | relocs[1]->howto = bfd_reloc_type_lookup (stdoutput, *codes[1]); |
4054 | relocs[1]->address = fixp->fx_frag->fr_address + fixp->fx_where; | |
4055 | relocs[1]->addend = 0; | |
993142d5 ILT |
4056 | relocs[2]->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); |
4057 | *relocs[2]->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_subsy); | |
252b5132 RH |
4058 | relocs[2]->howto = bfd_reloc_type_lookup (stdoutput, *codes[2]); |
4059 | relocs[2]->address = fixp->fx_frag->fr_address + fixp->fx_where; | |
4060 | relocs[2]->addend = 0; | |
993142d5 | 4061 | relocs[3]->sym_ptr_ptr = (asymbol **) &(bfd_abs_symbol); |
252b5132 RH |
4062 | relocs[3]->howto = bfd_reloc_type_lookup (stdoutput, *codes[3]); |
4063 | relocs[3]->address = fixp->fx_frag->fr_address + fixp->fx_where; | |
4064 | relocs[3]->addend = 0; | |
993142d5 | 4065 | relocs[4]->sym_ptr_ptr = (asymbol **) &(bfd_abs_symbol); |
252b5132 RH |
4066 | relocs[4]->howto = bfd_reloc_type_lookup (stdoutput, *codes[4]); |
4067 | relocs[4]->address = fixp->fx_frag->fr_address + fixp->fx_where; | |
4068 | relocs[4]->addend = 0; | |
4069 | goto done; | |
4070 | case R_PCREL_CALL: | |
4071 | case R_ABS_CALL: | |
4072 | relocs[i]->addend = HPPA_R_ADDEND (hppa_fixp->fx_arg_reloc, 0); | |
4073 | break; | |
4074 | ||
4075 | case R_DLT_REL: | |
4076 | case R_DATA_PLABEL: | |
4077 | case R_CODE_PLABEL: | |
4078 | /* For plabel relocations, the addend of the | |
4079 | relocation should be either 0 (no static link) or 2 | |
4080 | (static link required). | |
4081 | ||
4082 | FIXME: We always assume no static link! | |
4083 | ||
4084 | We also slam a zero addend into the DLT relative relocs; | |
4085 | it doesn't make a lot of sense to use any addend since | |
4086 | it gets you a different (eg unknown) DLT entry. */ | |
4087 | relocs[i]->addend = 0; | |
4088 | break; | |
4089 | ||
4090 | case R_N_MODE: | |
4091 | case R_S_MODE: | |
4092 | case R_D_MODE: | |
4093 | case R_R_MODE: | |
4094 | case R_FSEL: | |
4095 | case R_LSEL: | |
4096 | case R_RSEL: | |
4097 | case R_BEGIN_BRTAB: | |
4098 | case R_END_BRTAB: | |
4099 | case R_BEGIN_TRY: | |
4100 | case R_N0SEL: | |
4101 | case R_N1SEL: | |
4102 | /* There is no symbol or addend associated with these fixups. */ | |
993142d5 ILT |
4103 | relocs[i]->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); |
4104 | *relocs[i]->sym_ptr_ptr = symbol_get_bfdsym (dummy_symbol); | |
252b5132 RH |
4105 | relocs[i]->addend = 0; |
4106 | break; | |
4107 | ||
4108 | case R_END_TRY: | |
4109 | case R_ENTRY: | |
4110 | case R_EXIT: | |
4111 | /* There is no symbol associated with these fixups. */ | |
993142d5 ILT |
4112 | relocs[i]->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); |
4113 | *relocs[i]->sym_ptr_ptr = symbol_get_bfdsym (dummy_symbol); | |
252b5132 RH |
4114 | relocs[i]->addend = fixp->fx_offset; |
4115 | break; | |
4116 | ||
4117 | default: | |
4118 | relocs[i]->addend = fixp->fx_offset; | |
4119 | } | |
4120 | } | |
4121 | ||
4122 | done: | |
4123 | #endif | |
4124 | ||
4125 | return relocs; | |
4126 | } | |
4127 | ||
4128 | /* Process any machine dependent frag types. */ | |
4129 | ||
4130 | void | |
4131 | md_convert_frag (abfd, sec, fragP) | |
4132 | register bfd *abfd; | |
4133 | register asection *sec; | |
4134 | register fragS *fragP; | |
4135 | { | |
4136 | unsigned int address; | |
4137 | ||
4138 | if (fragP->fr_type == rs_machine_dependent) | |
4139 | { | |
4140 | switch ((int) fragP->fr_subtype) | |
4141 | { | |
4142 | case 0: | |
4143 | fragP->fr_type = rs_fill; | |
4144 | know (fragP->fr_var == 1); | |
4145 | know (fragP->fr_next); | |
4146 | address = fragP->fr_address + fragP->fr_fix; | |
4147 | if (address % fragP->fr_offset) | |
4148 | { | |
4149 | fragP->fr_offset = | |
4150 | fragP->fr_next->fr_address | |
4151 | - fragP->fr_address | |
4152 | - fragP->fr_fix; | |
4153 | } | |
4154 | else | |
4155 | fragP->fr_offset = 0; | |
4156 | break; | |
4157 | } | |
4158 | } | |
4159 | } | |
4160 | ||
4161 | /* Round up a section size to the appropriate boundary. */ | |
4162 | ||
4163 | valueT | |
4164 | md_section_align (segment, size) | |
4165 | asection *segment; | |
4166 | valueT size; | |
4167 | { | |
4168 | int align = bfd_get_section_alignment (stdoutput, segment); | |
4169 | int align2 = (1 << align) - 1; | |
4170 | ||
4171 | return (size + align2) & ~align2; | |
4172 | } | |
4173 | ||
4174 | /* Return the approximate size of a frag before relaxation has occurred. */ | |
4175 | int | |
4176 | md_estimate_size_before_relax (fragP, segment) | |
4177 | register fragS *fragP; | |
4178 | asection *segment; | |
4179 | { | |
4180 | int size; | |
4181 | ||
4182 | size = 0; | |
4183 | ||
4184 | while ((fragP->fr_fix + size) % fragP->fr_offset) | |
4185 | size++; | |
4186 | ||
4187 | return size; | |
4188 | } | |
4189 | \f | |
4190 | CONST char *md_shortopts = ""; | |
4191 | struct option md_longopts[] = { | |
4192 | {NULL, no_argument, NULL, 0} | |
4193 | }; | |
4194 | size_t md_longopts_size = sizeof(md_longopts); | |
4195 | ||
4196 | int | |
4197 | md_parse_option (c, arg) | |
4198 | int c; | |
4199 | char *arg; | |
4200 | { | |
4201 | return 0; | |
4202 | } | |
4203 | ||
4204 | void | |
4205 | md_show_usage (stream) | |
4206 | FILE *stream; | |
4207 | { | |
4208 | } | |
4209 | \f | |
4210 | /* We have no need to default values of symbols. */ | |
4211 | ||
4212 | symbolS * | |
4213 | md_undefined_symbol (name) | |
4214 | char *name; | |
4215 | { | |
4216 | return 0; | |
4217 | } | |
4218 | ||
4219 | /* Apply a fixup to an instruction. */ | |
4220 | ||
4221 | int | |
4222 | md_apply_fix (fixP, valp) | |
4223 | fixS *fixP; | |
4224 | valueT *valp; | |
4225 | { | |
4226 | char *buf = fixP->fx_where + fixP->fx_frag->fr_literal; | |
4227 | struct hppa_fix_struct *hppa_fixP; | |
4228 | long new_val, result = 0; | |
4229 | unsigned int w1, w2, w, resulti; | |
4230 | ||
4231 | hppa_fixP = (struct hppa_fix_struct *) fixP->tc_fix_data; | |
4232 | /* SOM uses R_HPPA_ENTRY and R_HPPA_EXIT relocations which can | |
4233 | never be "applied" (they are just markers). Likewise for | |
4234 | R_HPPA_BEGIN_BRTAB and R_HPPA_END_BRTAB. */ | |
4235 | #ifdef OBJ_SOM | |
4236 | if (fixP->fx_r_type == R_HPPA_ENTRY | |
4237 | || fixP->fx_r_type == R_HPPA_EXIT | |
4238 | || fixP->fx_r_type == R_HPPA_BEGIN_BRTAB | |
4239 | || fixP->fx_r_type == R_HPPA_END_BRTAB | |
4240 | || fixP->fx_r_type == R_HPPA_BEGIN_TRY) | |
4241 | return 1; | |
4242 | ||
4243 | /* Disgusting. We must set fx_offset ourselves -- R_HPPA_END_TRY | |
4244 | fixups are considered not adjustable, which in turn causes | |
4245 | adjust_reloc_syms to not set fx_offset. Ugh. */ | |
4246 | if (fixP->fx_r_type == R_HPPA_END_TRY) | |
4247 | { | |
4248 | fixP->fx_offset = *valp; | |
4249 | return 1; | |
4250 | } | |
4251 | #endif | |
4252 | ||
4253 | /* There should have been an HPPA specific fixup associated | |
4254 | with the GAS fixup. */ | |
4255 | if (hppa_fixP) | |
4256 | { | |
4257 | unsigned long buf_wd = bfd_get_32 (stdoutput, buf); | |
476cdcb8 | 4258 | int fmt = bfd_hppa_insn2fmt (buf_wd); |
252b5132 RH |
4259 | |
4260 | /* If there is a symbol associated with this fixup, then it's something | |
4261 | which will need a SOM relocation (except for some PC-relative relocs). | |
4262 | In such cases we should treat the "val" or "addend" as zero since it | |
4263 | will be added in as needed from fx_offset in tc_gen_reloc. */ | |
4264 | if ((fixP->fx_addsy != NULL | |
4265 | || fixP->fx_r_type == R_HPPA_NONE) | |
4266 | #ifdef OBJ_SOM | |
4267 | && fmt != 32 | |
4268 | #endif | |
4269 | ) | |
90700a53 | 4270 | new_val = ((fmt == 12 || fmt == 17 || fmt == 22) ? 8 : 0); |
252b5132 RH |
4271 | #ifdef OBJ_SOM |
4272 | /* These field selectors imply that we do not want an addend. */ | |
4273 | else if (hppa_fixP->fx_r_field == e_psel | |
4274 | || hppa_fixP->fx_r_field == e_rpsel | |
4275 | || hppa_fixP->fx_r_field == e_lpsel | |
4276 | || hppa_fixP->fx_r_field == e_tsel | |
4277 | || hppa_fixP->fx_r_field == e_rtsel | |
4278 | || hppa_fixP->fx_r_field == e_ltsel) | |
90700a53 | 4279 | new_val = ((fmt == 12 || fmt == 17 || fmt == 22) ? 8 : 0); |
252b5132 RH |
4280 | /* This is truely disgusting. The machine independent code blindly |
4281 | adds in the value of the symbol being relocated against. Damn! */ | |
4282 | else if (fmt == 32 | |
4283 | && fixP->fx_addsy != NULL | |
4284 | && S_GET_SEGMENT (fixP->fx_addsy) != bfd_com_section_ptr) | |
4285 | new_val = hppa_field_adjust (*valp - S_GET_VALUE (fixP->fx_addsy), | |
4286 | 0, hppa_fixP->fx_r_field); | |
4287 | #endif | |
4288 | else | |
4289 | new_val = hppa_field_adjust (*valp, 0, hppa_fixP->fx_r_field); | |
4290 | ||
4291 | /* Handle pc-relative exceptions from above. */ | |
4292 | #define arg_reloc_stub_needed(CALLER, CALLEE) \ | |
4293 | ((CALLEE) && (CALLER) && ((CALLEE) != (CALLER))) | |
90700a53 | 4294 | if ((fmt == 12 || fmt == 17 || fmt == 22) |
252b5132 RH |
4295 | && fixP->fx_addsy |
4296 | && fixP->fx_pcrel | |
49863f82 | 4297 | #ifdef OBJ_SOM |
252b5132 | 4298 | && !arg_reloc_stub_needed ((long) ((obj_symbol_type *) |
a0f75b47 ILT |
4299 | symbol_get_bfdsym (fixP->fx_addsy))->tc_data.ap.hppa_arg_reloc, |
4300 | hppa_fixP->fx_arg_reloc) | |
49863f82 | 4301 | #endif |
90700a53 | 4302 | && (((int)(*valp) > -262144 && (int)(*valp) < 262143) && fmt != 22) |
252b5132 RH |
4303 | && S_GET_SEGMENT (fixP->fx_addsy) == hppa_fixP->segment |
4304 | && !(fixP->fx_subsy | |
4305 | && S_GET_SEGMENT (fixP->fx_subsy) != hppa_fixP->segment)) | |
d53d2751 | 4306 | |
252b5132 RH |
4307 | new_val = hppa_field_adjust (*valp, 0, hppa_fixP->fx_r_field); |
4308 | #undef arg_reloc_stub_needed | |
d53d2751 | 4309 | |
252b5132 RH |
4310 | switch (fmt) |
4311 | { | |
4312 | /* Handle all opcodes with the 'j' operand type. */ | |
4313 | case 14: | |
4314 | CHECK_FIELD (new_val, 8191, -8192, 0); | |
4315 | ||
4316 | /* Mask off 14 bits to be changed. */ | |
4317 | bfd_put_32 (stdoutput, | |
4318 | bfd_get_32 (stdoutput, buf) & 0xffffc000, | |
4319 | buf); | |
4320 | low_sign_unext (new_val, 14, &resulti); | |
4321 | result = resulti; | |
4322 | break; | |
4323 | ||
4324 | /* Handle all opcodes with the 'k' operand type. */ | |
4325 | case 21: | |
4326 | CHECK_FIELD (new_val, 2097152, 0, 0); | |
4327 | ||
4328 | /* Mask off 21 bits to be changed. */ | |
4329 | bfd_put_32 (stdoutput, | |
4330 | bfd_get_32 (stdoutput, buf) & 0xffe00000, | |
4331 | buf); | |
4332 | dis_assemble_21 (new_val, &resulti); | |
4333 | result = resulti; | |
4334 | break; | |
4335 | ||
4336 | /* Handle all the opcodes with the 'i' operand type. */ | |
4337 | case 11: | |
4338 | CHECK_FIELD (new_val, 1023, -1023, 0); | |
4339 | ||
4340 | /* Mask off 11 bits to be changed. */ | |
4341 | bfd_put_32 (stdoutput, | |
4342 | bfd_get_32 (stdoutput, buf) & 0xffff800, | |
4343 | buf); | |
4344 | low_sign_unext (new_val, 11, &resulti); | |
4345 | result = resulti; | |
4346 | break; | |
4347 | ||
4348 | /* Handle all the opcodes with the 'w' operand type. */ | |
4349 | case 12: | |
4350 | CHECK_FIELD (new_val, 8199, -8184, 0); | |
4351 | ||
4352 | /* Mask off 11 bits to be changed. */ | |
4353 | sign_unext ((new_val - 8) >> 2, 12, &resulti); | |
4354 | bfd_put_32 (stdoutput, | |
4355 | bfd_get_32 (stdoutput, buf) & 0xffffe002, | |
4356 | buf); | |
4357 | ||
4358 | dis_assemble_12 (resulti, &w1, &w); | |
4359 | result = ((w1 << 2) | w); | |
4360 | break; | |
4361 | ||
4362 | /* Handle some of the opcodes with the 'W' operand type. */ | |
4363 | case 17: | |
4364 | { | |
4365 | int distance = *valp; | |
4366 | ||
4367 | CHECK_FIELD (new_val, 262143, -262144, 0); | |
4368 | ||
4369 | /* If this is an absolute branch (ie no link) with an out of | |
4370 | range target, then we want to complain. */ | |
4371 | if (fixP->fx_r_type == R_HPPA_PCREL_CALL | |
4372 | && (distance > 262143 || distance < -262144) | |
4373 | && (bfd_get_32 (stdoutput, buf) & 0xffe00000) == 0xe8000000) | |
4374 | CHECK_FIELD (distance, 262143, -262144, 0); | |
4375 | ||
4376 | /* Mask off 17 bits to be changed. */ | |
4377 | bfd_put_32 (stdoutput, | |
4378 | bfd_get_32 (stdoutput, buf) & 0xffe0e002, | |
4379 | buf); | |
4380 | sign_unext ((new_val - 8) >> 2, 17, &resulti); | |
4381 | dis_assemble_17 (resulti, &w1, &w2, &w); | |
4382 | result = ((w2 << 2) | (w1 << 16) | w); | |
4383 | break; | |
4384 | } | |
4385 | ||
77c02e18 JL |
4386 | case 22: |
4387 | { | |
4388 | int distance = *valp, w3; | |
4389 | ||
4390 | CHECK_FIELD (new_val, 8388607, -8388608, 0); | |
4391 | ||
4392 | /* If this is an absolute branch (ie no link) with an out of | |
4393 | range target, then we want to complain. */ | |
4394 | if (fixP->fx_r_type == R_HPPA_PCREL_CALL | |
4395 | && (distance > 8388607 || distance < -8388608) | |
4396 | && (bfd_get_32 (stdoutput, buf) & 0xffe00000) == 0xe8000000) | |
4397 | CHECK_FIELD (distance, 8388607, -8388608, 0); | |
4398 | ||
4399 | /* Mask off 22 bits to be changed. */ | |
4400 | bfd_put_32 (stdoutput, | |
4401 | bfd_get_32 (stdoutput, buf) & 0xfc00e002, | |
4402 | buf); | |
4403 | sign_unext ((new_val - 8) >> 2, 22, &resulti); | |
4404 | dis_assemble_22 (resulti, &w3, &w1, &w2, &w); | |
4405 | result = ((w3 << 21) | (w2 << 2) | (w1 << 16) | w); | |
4406 | break; | |
4407 | } | |
4408 | ||
252b5132 RH |
4409 | case 32: |
4410 | result = 0; | |
4411 | bfd_put_32 (stdoutput, new_val, buf); | |
4412 | break; | |
4413 | ||
4414 | default: | |
4415 | as_bad (_("Unknown relocation encountered in md_apply_fix.")); | |
4416 | return 0; | |
4417 | } | |
4418 | ||
4419 | /* Insert the relocation. */ | |
4420 | bfd_put_32 (stdoutput, bfd_get_32 (stdoutput, buf) | result, buf); | |
4421 | return 1; | |
4422 | } | |
4423 | else | |
4424 | { | |
4425 | printf (_("no hppa_fixup entry for this fixup (fixP = 0x%x, type = 0x%x)\n"), | |
4426 | (unsigned int) fixP, fixP->fx_r_type); | |
4427 | return 0; | |
4428 | } | |
4429 | } | |
4430 | ||
4431 | /* Exactly what point is a PC-relative offset relative TO? | |
4432 | On the PA, they're relative to the address of the offset. */ | |
4433 | ||
4434 | long | |
4435 | md_pcrel_from (fixP) | |
4436 | fixS *fixP; | |
4437 | { | |
4438 | return fixP->fx_where + fixP->fx_frag->fr_address; | |
4439 | } | |
4440 | ||
4441 | /* Return nonzero if the input line pointer is at the end of | |
4442 | a statement. */ | |
4443 | ||
4444 | static int | |
4445 | is_end_of_statement () | |
4446 | { | |
4447 | return ((*input_line_pointer == '\n') | |
4448 | || (*input_line_pointer == ';') | |
4449 | || (*input_line_pointer == '!')); | |
4450 | } | |
4451 | ||
4452 | /* Read a number from S. The number might come in one of many forms, | |
4453 | the most common will be a hex or decimal constant, but it could be | |
4454 | a pre-defined register (Yuk!), or an absolute symbol. | |
4455 | ||
4456 | Return a number or -1 for failure. | |
4457 | ||
4458 | When parsing PA-89 FP register numbers RESULT will be | |
4459 | the address of a structure to return information about | |
4460 | L/R half of FP registers, store results there as appropriate. | |
4461 | ||
4462 | pa_parse_number can not handle negative constants and will fail | |
4463 | horribly if it is passed such a constant. */ | |
4464 | ||
4465 | static int | |
4466 | pa_parse_number (s, result) | |
4467 | char **s; | |
4468 | struct pa_11_fp_reg_struct *result; | |
4469 | { | |
4470 | int num; | |
4471 | char *name; | |
4472 | char c; | |
4473 | symbolS *sym; | |
4474 | int status; | |
4475 | char *p = *s; | |
4476 | ||
4477 | /* Skip whitespace before the number. */ | |
4478 | while (*p == ' ' || *p == '\t') | |
4479 | p = p + 1; | |
4480 | ||
4481 | /* Store info in RESULT if requested by caller. */ | |
4482 | if (result) | |
4483 | { | |
4484 | result->number_part = -1; | |
4485 | result->l_r_select = -1; | |
4486 | } | |
4487 | num = -1; | |
4488 | ||
4489 | if (isdigit (*p)) | |
4490 | { | |
4491 | /* Looks like a number. */ | |
4492 | num = 0; | |
4493 | ||
4494 | if (*p == '0' && (*(p + 1) == 'x' || *(p + 1) == 'X')) | |
4495 | { | |
4496 | /* The number is specified in hex. */ | |
4497 | p += 2; | |
4498 | while (isdigit (*p) || ((*p >= 'a') && (*p <= 'f')) | |
4499 | || ((*p >= 'A') && (*p <= 'F'))) | |
4500 | { | |
4501 | if (isdigit (*p)) | |
4502 | num = num * 16 + *p - '0'; | |
4503 | else if (*p >= 'a' && *p <= 'f') | |
4504 | num = num * 16 + *p - 'a' + 10; | |
4505 | else | |
4506 | num = num * 16 + *p - 'A' + 10; | |
4507 | ++p; | |
4508 | } | |
4509 | } | |
4510 | else | |
4511 | { | |
4512 | /* The number is specified in decimal. */ | |
4513 | while (isdigit (*p)) | |
4514 | { | |
4515 | num = num * 10 + *p - '0'; | |
4516 | ++p; | |
4517 | } | |
4518 | } | |
4519 | ||
4520 | /* Store info in RESULT if requested by the caller. */ | |
4521 | if (result) | |
4522 | { | |
4523 | result->number_part = num; | |
4524 | ||
4525 | if (IS_R_SELECT (p)) | |
4526 | { | |
4527 | result->l_r_select = 1; | |
4528 | ++p; | |
4529 | } | |
4530 | else if (IS_L_SELECT (p)) | |
4531 | { | |
4532 | result->l_r_select = 0; | |
4533 | ++p; | |
4534 | } | |
4535 | else | |
4536 | result->l_r_select = 0; | |
4537 | } | |
4538 | } | |
4539 | else if (*p == '%') | |
4540 | { | |
4541 | /* The number might be a predefined register. */ | |
4542 | num = 0; | |
4543 | name = p; | |
4544 | p++; | |
4545 | c = *p; | |
4546 | /* Tege hack: Special case for general registers as the general | |
4547 | code makes a binary search with case translation, and is VERY | |
4548 | slow. */ | |
4549 | if (c == 'r') | |
4550 | { | |
4551 | p++; | |
4552 | if (*p == 'e' && *(p + 1) == 't' | |
4553 | && (*(p + 2) == '0' || *(p + 2) == '1')) | |
4554 | { | |
4555 | p += 2; | |
4556 | num = *p - '0' + 28; | |
4557 | p++; | |
4558 | } | |
4559 | else if (*p == 'p') | |
4560 | { | |
4561 | num = 2; | |
4562 | p++; | |
4563 | } | |
4564 | else if (!isdigit (*p)) | |
4565 | { | |
4566 | if (print_errors) | |
4567 | as_bad (_("Undefined register: '%s'."), name); | |
4568 | num = -1; | |
4569 | } | |
4570 | else | |
4571 | { | |
4572 | do | |
4573 | num = num * 10 + *p++ - '0'; | |
4574 | while (isdigit (*p)); | |
4575 | } | |
4576 | } | |
4577 | else | |
4578 | { | |
4579 | /* Do a normal register search. */ | |
4580 | while (is_part_of_name (c)) | |
4581 | { | |
4582 | p = p + 1; | |
4583 | c = *p; | |
4584 | } | |
4585 | *p = 0; | |
4586 | status = reg_name_search (name); | |
4587 | if (status >= 0) | |
4588 | num = status; | |
4589 | else | |
4590 | { | |
4591 | if (print_errors) | |
4592 | as_bad (_("Undefined register: '%s'."), name); | |
4593 | num = -1; | |
4594 | } | |
4595 | *p = c; | |
4596 | } | |
4597 | ||
4598 | /* Store info in RESULT if requested by caller. */ | |
4599 | if (result) | |
4600 | { | |
4601 | result->number_part = num; | |
4602 | if (IS_R_SELECT (p - 1)) | |
4603 | result->l_r_select = 1; | |
4604 | else if (IS_L_SELECT (p - 1)) | |
4605 | result->l_r_select = 0; | |
4606 | else | |
4607 | result->l_r_select = 0; | |
4608 | } | |
4609 | } | |
4610 | else | |
4611 | { | |
4612 | /* And finally, it could be a symbol in the absolute section which | |
4613 | is effectively a constant. */ | |
4614 | num = 0; | |
4615 | name = p; | |
4616 | c = *p; | |
4617 | while (is_part_of_name (c)) | |
4618 | { | |
4619 | p = p + 1; | |
4620 | c = *p; | |
4621 | } | |
4622 | *p = 0; | |
4623 | if ((sym = symbol_find (name)) != NULL) | |
4624 | { | |
4625 | if (S_GET_SEGMENT (sym) == &bfd_abs_section) | |
4626 | num = S_GET_VALUE (sym); | |
4627 | else | |
4628 | { | |
4629 | if (print_errors) | |
4630 | as_bad (_("Non-absolute symbol: '%s'."), name); | |
4631 | num = -1; | |
4632 | } | |
4633 | } | |
4634 | else | |
4635 | { | |
4636 | /* There is where we'd come for an undefined symbol | |
4637 | or for an empty string. For an empty string we | |
4638 | will return zero. That's a concession made for | |
4639 | compatability with the braindamaged HP assemblers. */ | |
4640 | if (*name == 0) | |
4641 | num = 0; | |
4642 | else | |
4643 | { | |
4644 | if (print_errors) | |
4645 | as_bad (_("Undefined absolute constant: '%s'."), name); | |
4646 | num = -1; | |
4647 | } | |
4648 | } | |
4649 | *p = c; | |
4650 | ||
4651 | /* Store info in RESULT if requested by caller. */ | |
4652 | if (result) | |
4653 | { | |
4654 | result->number_part = num; | |
4655 | if (IS_R_SELECT (p - 1)) | |
4656 | result->l_r_select = 1; | |
4657 | else if (IS_L_SELECT (p - 1)) | |
4658 | result->l_r_select = 0; | |
4659 | else | |
4660 | result->l_r_select = 0; | |
4661 | } | |
4662 | } | |
4663 | ||
4664 | *s = p; | |
4665 | return num; | |
4666 | } | |
4667 | ||
4668 | #define REG_NAME_CNT (sizeof(pre_defined_registers) / sizeof(struct pd_reg)) | |
4669 | ||
4670 | /* Given NAME, find the register number associated with that name, return | |
4671 | the integer value associated with the given name or -1 on failure. */ | |
4672 | ||
4673 | static int | |
4674 | reg_name_search (name) | |
4675 | char *name; | |
4676 | { | |
4677 | int middle, low, high; | |
4678 | int cmp; | |
4679 | ||
4680 | low = 0; | |
4681 | high = REG_NAME_CNT - 1; | |
4682 | ||
4683 | do | |
4684 | { | |
4685 | middle = (low + high) / 2; | |
4686 | cmp = strcasecmp (name, pre_defined_registers[middle].name); | |
4687 | if (cmp < 0) | |
4688 | high = middle - 1; | |
4689 | else if (cmp > 0) | |
4690 | low = middle + 1; | |
4691 | else | |
4692 | return pre_defined_registers[middle].value; | |
4693 | } | |
4694 | while (low <= high); | |
4695 | ||
4696 | return -1; | |
4697 | } | |
4698 | ||
4699 | ||
4700 | /* Return nonzero if the given INSN and L/R information will require | |
4701 | a new PA-1.1 opcode. */ | |
4702 | ||
4703 | static int | |
4704 | need_pa11_opcode (insn, result) | |
4705 | struct pa_it *insn; | |
4706 | struct pa_11_fp_reg_struct *result; | |
4707 | { | |
4708 | if (result->l_r_select == 1 && !(insn->fpof1 == DBL && insn->fpof2 == DBL)) | |
4709 | { | |
4710 | /* If this instruction is specific to a particular architecture, | |
4711 | then set a new architecture. */ | |
4712 | if (bfd_get_mach (stdoutput) < pa11) | |
4713 | { | |
4714 | if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, pa11)) | |
4715 | as_warn (_("could not update architecture and machine")); | |
4716 | } | |
4717 | return TRUE; | |
4718 | } | |
4719 | else | |
4720 | return FALSE; | |
4721 | } | |
4722 | ||
4723 | /* Parse a condition for a fcmp instruction. Return the numerical | |
4724 | code associated with the condition. */ | |
4725 | ||
4726 | static int | |
4727 | pa_parse_fp_cmp_cond (s) | |
4728 | char **s; | |
4729 | { | |
4730 | int cond, i; | |
4731 | ||
4732 | cond = 0; | |
4733 | ||
4734 | for (i = 0; i < 32; i++) | |
4735 | { | |
4736 | if (strncasecmp (*s, fp_cond_map[i].string, | |
4737 | strlen (fp_cond_map[i].string)) == 0) | |
4738 | { | |
4739 | cond = fp_cond_map[i].cond; | |
4740 | *s += strlen (fp_cond_map[i].string); | |
4741 | /* If not a complete match, back up the input string and | |
4742 | report an error. */ | |
4743 | if (**s != ' ' && **s != '\t') | |
4744 | { | |
4745 | *s -= strlen (fp_cond_map[i].string); | |
4746 | break; | |
4747 | } | |
4748 | while (**s == ' ' || **s == '\t') | |
4749 | *s = *s + 1; | |
4750 | return cond; | |
4751 | } | |
4752 | } | |
4753 | ||
4754 | as_bad (_("Invalid FP Compare Condition: %s"), *s); | |
4755 | ||
4756 | /* Advance over the bogus completer. */ | |
4757 | while (**s != ',' && **s != ' ' && **s != '\t') | |
4758 | *s += 1; | |
4759 | ||
4760 | return 0; | |
4761 | } | |
4762 | ||
1cf6ae67 JL |
4763 | /* Parse a graphics test complete for ftest. */ |
4764 | ||
4765 | static int | |
4766 | pa_parse_ftest_gfx_completer (s) | |
4767 | char **s; | |
4768 | { | |
4769 | int value; | |
4770 | ||
4771 | value = 0; | |
4772 | if (strncasecmp (*s, "acc8", 4) == 0) | |
4773 | { | |
4774 | value = 5; | |
4775 | *s += 4; | |
4776 | } | |
4777 | else if (strncasecmp (*s, "acc6", 4) == 0) | |
4778 | { | |
4779 | value = 9; | |
4780 | *s += 4; | |
4781 | } | |
4782 | else if (strncasecmp (*s, "acc4", 4) == 0) | |
4783 | { | |
4784 | value = 13; | |
4785 | *s += 4; | |
4786 | } | |
4787 | else if (strncasecmp (*s, "acc2", 4) == 0) | |
4788 | { | |
4789 | value = 17; | |
4790 | *s += 4; | |
4791 | } | |
4792 | else if (strncasecmp (*s, "acc", 3) == 0) | |
4793 | { | |
4794 | value = 1; | |
4795 | *s += 3; | |
4796 | } | |
4797 | else if (strncasecmp (*s, "rej8", 4) == 0) | |
4798 | { | |
4799 | value = 6; | |
4800 | *s += 4; | |
4801 | } | |
4802 | else if (strncasecmp (*s, "rej", 3) == 0) | |
4803 | { | |
4804 | value = 2; | |
4805 | *s += 3; | |
4806 | } | |
4807 | else | |
4808 | { | |
4809 | value = 0; | |
4810 | as_bad (_("Invalid FTEST completer: %s"), *s); | |
4811 | } | |
4812 | ||
4813 | return value; | |
4814 | } | |
4815 | ||
4816 | /* Parse an FP operand format completer returning the completer | |
4817 | type. */ | |
4818 | ||
4819 | static fp_operand_format | |
4820 | pa_parse_fp_cnv_format (s) | |
4821 | char **s; | |
4822 | { | |
4823 | int format; | |
4824 | ||
4825 | format = SGL; | |
4826 | if (**s == ',') | |
4827 | { | |
4828 | *s += 1; | |
4829 | if (strncasecmp (*s, "sgl", 3) == 0) | |
4830 | { | |
4831 | format = SGL; | |
4832 | *s += 4; | |
4833 | } | |
4834 | else if (strncasecmp (*s, "dbl", 3) == 0) | |
4835 | { | |
4836 | format = DBL; | |
4837 | *s += 4; | |
4838 | } | |
4839 | else if (strncasecmp (*s, "quad", 4) == 0) | |
4840 | { | |
4841 | format = QUAD; | |
4842 | *s += 5; | |
4843 | } | |
4844 | else if (strncasecmp (*s, "w", 1) == 0) | |
4845 | { | |
4846 | format = W; | |
4847 | *s += 2; | |
4848 | } | |
4849 | else if (strncasecmp (*s, "uw", 2) == 0) | |
4850 | { | |
4851 | format = UW; | |
4852 | *s += 3; | |
4853 | } | |
4854 | else if (strncasecmp (*s, "dw", 2) == 0) | |
4855 | { | |
4856 | format = DW; | |
4857 | *s += 3; | |
4858 | } | |
4859 | else if (strncasecmp (*s, "udw", 3) == 0) | |
4860 | { | |
4861 | format = UDW; | |
4862 | *s += 4; | |
4863 | } | |
4864 | else if (strncasecmp (*s, "qw", 2) == 0) | |
4865 | { | |
4866 | format = QW; | |
4867 | *s += 3; | |
4868 | } | |
4869 | else if (strncasecmp (*s, "uqw", 3) == 0) | |
4870 | { | |
4871 | format = UQW; | |
4872 | *s += 4; | |
4873 | } | |
4874 | else | |
4875 | { | |
4876 | format = ILLEGAL_FMT; | |
4877 | as_bad (_("Invalid FP Operand Format: %3s"), *s); | |
4878 | } | |
4879 | } | |
4880 | ||
4881 | return format; | |
4882 | } | |
252b5132 RH |
4883 | |
4884 | /* Parse an FP operand format completer returning the completer | |
4885 | type. */ | |
4886 | ||
4887 | static fp_operand_format | |
4888 | pa_parse_fp_format (s) | |
4889 | char **s; | |
4890 | { | |
4891 | int format; | |
4892 | ||
4893 | format = SGL; | |
4894 | if (**s == ',') | |
4895 | { | |
4896 | *s += 1; | |
4897 | if (strncasecmp (*s, "sgl", 3) == 0) | |
4898 | { | |
4899 | format = SGL; | |
4900 | *s += 4; | |
4901 | } | |
4902 | else if (strncasecmp (*s, "dbl", 3) == 0) | |
4903 | { | |
4904 | format = DBL; | |
4905 | *s += 4; | |
4906 | } | |
4907 | else if (strncasecmp (*s, "quad", 4) == 0) | |
4908 | { | |
4909 | format = QUAD; | |
4910 | *s += 5; | |
4911 | } | |
4912 | else | |
4913 | { | |
4914 | format = ILLEGAL_FMT; | |
4915 | as_bad (_("Invalid FP Operand Format: %3s"), *s); | |
4916 | } | |
4917 | } | |
4918 | ||
4919 | return format; | |
4920 | } | |
4921 | ||
4922 | /* Convert from a selector string into a selector type. */ | |
4923 | ||
4924 | static int | |
4925 | pa_chk_field_selector (str) | |
4926 | char **str; | |
4927 | { | |
4928 | int middle, low, high; | |
4929 | int cmp; | |
4930 | char name[4]; | |
4931 | ||
4932 | /* Read past any whitespace. */ | |
4933 | /* FIXME: should we read past newlines and formfeeds??? */ | |
4934 | while (**str == ' ' || **str == '\t' || **str == '\n' || **str == '\f') | |
4935 | *str = *str + 1; | |
4936 | ||
4937 | if ((*str)[1] == '\'' || (*str)[1] == '%') | |
4938 | name[0] = tolower ((*str)[0]), | |
4939 | name[1] = 0; | |
4940 | else if ((*str)[2] == '\'' || (*str)[2] == '%') | |
4941 | name[0] = tolower ((*str)[0]), | |
4942 | name[1] = tolower ((*str)[1]), | |
4943 | name[2] = 0; | |
252b5132 RH |
4944 | else if ((*str)[3] == '\'' || (*str)[3] == '%') |
4945 | name[0] = tolower ((*str)[0]), | |
4946 | name[1] = tolower ((*str)[1]), | |
4947 | name[2] = tolower ((*str)[2]), | |
4948 | name[3] = 0; | |
252b5132 RH |
4949 | else |
4950 | return e_fsel; | |
4951 | ||
4952 | low = 0; | |
4953 | high = sizeof (selector_table) / sizeof (struct selector_entry) - 1; | |
4954 | ||
4955 | do | |
4956 | { | |
4957 | middle = (low + high) / 2; | |
4958 | cmp = strcmp (name, selector_table[middle].prefix); | |
4959 | if (cmp < 0) | |
4960 | high = middle - 1; | |
4961 | else if (cmp > 0) | |
4962 | low = middle + 1; | |
4963 | else | |
4964 | { | |
4965 | *str += strlen (name) + 1; | |
4966 | #ifndef OBJ_SOM | |
4967 | if (selector_table[middle].field_selector == e_nsel) | |
4968 | return e_fsel; | |
4969 | #endif | |
4970 | return selector_table[middle].field_selector; | |
4971 | } | |
4972 | } | |
4973 | while (low <= high); | |
4974 | ||
4975 | return e_fsel; | |
4976 | } | |
4977 | ||
4978 | /* Mark (via expr_end) the end of an expression (I think). FIXME. */ | |
4979 | ||
4980 | static int | |
4981 | get_expression (str) | |
4982 | char *str; | |
4983 | { | |
4984 | char *save_in; | |
4985 | asection *seg; | |
4986 | ||
4987 | save_in = input_line_pointer; | |
4988 | input_line_pointer = str; | |
4989 | seg = expression (&the_insn.exp); | |
4990 | if (!(seg == absolute_section | |
4991 | || seg == undefined_section | |
4992 | || SEG_NORMAL (seg))) | |
4993 | { | |
4994 | as_warn (_("Bad segment in expression.")); | |
4995 | expr_end = input_line_pointer; | |
4996 | input_line_pointer = save_in; | |
4997 | return 1; | |
4998 | } | |
4999 | expr_end = input_line_pointer; | |
5000 | input_line_pointer = save_in; | |
5001 | return 0; | |
5002 | } | |
5003 | ||
5004 | /* Mark (via expr_end) the end of an absolute expression. FIXME. */ | |
5005 | static int | |
5006 | pa_get_absolute_expression (insn, strp) | |
5007 | struct pa_it *insn; | |
5008 | char **strp; | |
5009 | { | |
5010 | char *save_in; | |
5011 | ||
5012 | insn->field_selector = pa_chk_field_selector (strp); | |
5013 | save_in = input_line_pointer; | |
5014 | input_line_pointer = *strp; | |
5015 | expression (&insn->exp); | |
5016 | /* This is not perfect, but is a huge improvement over doing nothing. | |
5017 | ||
5018 | The PA assembly syntax is ambigious in a variety of ways. Consider | |
5019 | this string "4 %r5" Is that the number 4 followed by the register | |
5020 | r5, or is that 4 MOD 5? | |
5021 | ||
5022 | If we get a modulo expresion When looking for an absolute, we try | |
5023 | again cutting off the input string at the first whitespace character. */ | |
5024 | if (insn->exp.X_op == O_modulus) | |
5025 | { | |
5026 | char *s, c; | |
5027 | int retval; | |
5028 | ||
5029 | input_line_pointer = *strp; | |
5030 | s = *strp; | |
5031 | while (*s != ',' && *s != ' ' && *s != '\t') | |
5032 | s++; | |
5033 | ||
5034 | c = *s; | |
5035 | *s = 0; | |
5036 | ||
5037 | retval = pa_get_absolute_expression (insn, strp); | |
5038 | ||
5039 | input_line_pointer = save_in; | |
5040 | *s = c; | |
5041 | return evaluate_absolute (insn); | |
5042 | } | |
0f4f8b56 JL |
5043 | /* When in strict mode we have a non-match, fix up the pointers |
5044 | and return to our caller. */ | |
5045 | if (insn->exp.X_op != O_constant && strict) | |
5046 | { | |
5047 | expr_end = input_line_pointer; | |
5048 | input_line_pointer = save_in; | |
5049 | return 0; | |
5050 | } | |
252b5132 RH |
5051 | if (insn->exp.X_op != O_constant) |
5052 | { | |
5053 | as_bad (_("Bad segment (should be absolute).")); | |
5054 | expr_end = input_line_pointer; | |
5055 | input_line_pointer = save_in; | |
5056 | return 0; | |
5057 | } | |
5058 | expr_end = input_line_pointer; | |
5059 | input_line_pointer = save_in; | |
5060 | return evaluate_absolute (insn); | |
5061 | } | |
5062 | ||
5063 | /* Evaluate an absolute expression EXP which may be modified by | |
5064 | the selector FIELD_SELECTOR. Return the value of the expression. */ | |
5065 | static int | |
5066 | evaluate_absolute (insn) | |
5067 | struct pa_it *insn; | |
5068 | { | |
5069 | int value; | |
5070 | expressionS exp; | |
5071 | int field_selector = insn->field_selector; | |
5072 | ||
5073 | exp = insn->exp; | |
5074 | value = exp.X_add_number; | |
5075 | ||
5076 | switch (field_selector) | |
5077 | { | |
5078 | /* No change. */ | |
5079 | case e_fsel: | |
5080 | break; | |
5081 | ||
5082 | /* If bit 21 is on then add 0x800 and arithmetic shift right 11 bits. */ | |
5083 | case e_lssel: | |
5084 | if (value & 0x00000400) | |
5085 | value += 0x800; | |
5086 | value = (value & 0xfffff800) >> 11; | |
5087 | break; | |
5088 | ||
5089 | /* Sign extend from bit 21. */ | |
5090 | case e_rssel: | |
5091 | if (value & 0x00000400) | |
5092 | value |= 0xfffff800; | |
5093 | else | |
5094 | value &= 0x7ff; | |
5095 | break; | |
5096 | ||
5097 | /* Arithmetic shift right 11 bits. */ | |
5098 | case e_lsel: | |
5099 | value = (value & 0xfffff800) >> 11; | |
5100 | break; | |
5101 | ||
5102 | /* Set bits 0-20 to zero. */ | |
5103 | case e_rsel: | |
5104 | value = value & 0x7ff; | |
5105 | break; | |
5106 | ||
5107 | /* Add 0x800 and arithmetic shift right 11 bits. */ | |
5108 | case e_ldsel: | |
5109 | value += 0x800; | |
5110 | value = (value & 0xfffff800) >> 11; | |
5111 | break; | |
5112 | ||
5113 | /* Set bitgs 0-21 to one. */ | |
5114 | case e_rdsel: | |
5115 | value |= 0xfffff800; | |
5116 | break; | |
5117 | ||
5118 | #define RSEL_ROUND(c) (((c) + 0x1000) & ~0x1fff) | |
5119 | case e_rrsel: | |
5120 | value = (RSEL_ROUND (value) & 0x7ff) + (value - RSEL_ROUND (value)); | |
5121 | break; | |
5122 | ||
5123 | case e_lrsel: | |
5124 | value = (RSEL_ROUND (value) >> 11) & 0x1fffff; | |
5125 | break; | |
5126 | #undef RSEL_ROUND | |
5127 | ||
5128 | default: | |
5129 | BAD_CASE (field_selector); | |
5130 | break; | |
5131 | } | |
5132 | return value; | |
5133 | } | |
5134 | ||
5135 | /* Given an argument location specification return the associated | |
5136 | argument location number. */ | |
5137 | ||
5138 | static unsigned int | |
5139 | pa_build_arg_reloc (type_name) | |
5140 | char *type_name; | |
5141 | { | |
5142 | ||
5143 | if (strncasecmp (type_name, "no", 2) == 0) | |
5144 | return 0; | |
5145 | if (strncasecmp (type_name, "gr", 2) == 0) | |
5146 | return 1; | |
5147 | else if (strncasecmp (type_name, "fr", 2) == 0) | |
5148 | return 2; | |
5149 | else if (strncasecmp (type_name, "fu", 2) == 0) | |
5150 | return 3; | |
5151 | else | |
5152 | as_bad (_("Invalid argument location: %s\n"), type_name); | |
5153 | ||
5154 | return 0; | |
5155 | } | |
5156 | ||
5157 | /* Encode and return an argument relocation specification for | |
5158 | the given register in the location specified by arg_reloc. */ | |
5159 | ||
5160 | static unsigned int | |
5161 | pa_align_arg_reloc (reg, arg_reloc) | |
5162 | unsigned int reg; | |
5163 | unsigned int arg_reloc; | |
5164 | { | |
5165 | unsigned int new_reloc; | |
5166 | ||
5167 | new_reloc = arg_reloc; | |
5168 | switch (reg) | |
5169 | { | |
5170 | case 0: | |
5171 | new_reloc <<= 8; | |
5172 | break; | |
5173 | case 1: | |
5174 | new_reloc <<= 6; | |
5175 | break; | |
5176 | case 2: | |
5177 | new_reloc <<= 4; | |
5178 | break; | |
5179 | case 3: | |
5180 | new_reloc <<= 2; | |
5181 | break; | |
5182 | default: | |
5183 | as_bad (_("Invalid argument description: %d"), reg); | |
5184 | } | |
5185 | ||
5186 | return new_reloc; | |
5187 | } | |
5188 | ||
5189 | /* Parse a PA nullification completer (,n). Return nonzero if the | |
5190 | completer was found; return zero if no completer was found. */ | |
5191 | ||
5192 | static int | |
5193 | pa_parse_nullif (s) | |
5194 | char **s; | |
5195 | { | |
5196 | int nullif; | |
5197 | ||
5198 | nullif = 0; | |
5199 | if (**s == ',') | |
5200 | { | |
5201 | *s = *s + 1; | |
5202 | if (strncasecmp (*s, "n", 1) == 0) | |
5203 | nullif = 1; | |
5204 | else | |
5205 | { | |
5206 | as_bad (_("Invalid Nullification: (%c)"), **s); | |
5207 | nullif = 0; | |
5208 | } | |
5209 | *s = *s + 1; | |
5210 | } | |
5211 | ||
5212 | return nullif; | |
5213 | } | |
5214 | ||
5215 | /* Parse a non-negated compare/subtract completer returning the | |
5216 | number (for encoding in instrutions) of the given completer. | |
5217 | ||
5218 | ISBRANCH specifies whether or not this is parsing a condition | |
5219 | completer for a branch (vs a nullification completer for a | |
5220 | computational instruction. */ | |
5221 | ||
5222 | static int | |
5223 | pa_parse_nonneg_cmpsub_cmpltr (s, isbranch) | |
5224 | char **s; | |
5225 | int isbranch; | |
5226 | { | |
5227 | int cmpltr; | |
5228 | char *name = *s + 1; | |
5229 | char c; | |
5230 | char *save_s = *s; | |
5231 | int nullify = 0; | |
5232 | ||
5233 | cmpltr = 0; | |
5234 | if (**s == ',') | |
5235 | { | |
5236 | *s += 1; | |
5237 | while (**s != ',' && **s != ' ' && **s != '\t') | |
5238 | *s += 1; | |
5239 | c = **s; | |
5240 | **s = 0x00; | |
5241 | ||
5242 | ||
5243 | if (strcmp (name, "=") == 0) | |
5244 | { | |
5245 | cmpltr = 1; | |
5246 | } | |
5247 | else if (strcmp (name, "<") == 0) | |
5248 | { | |
5249 | cmpltr = 2; | |
5250 | } | |
5251 | else if (strcmp (name, "<=") == 0) | |
5252 | { | |
5253 | cmpltr = 3; | |
5254 | } | |
5255 | else if (strcmp (name, "<<") == 0) | |
5256 | { | |
5257 | cmpltr = 4; | |
5258 | } | |
5259 | else if (strcmp (name, "<<=") == 0) | |
5260 | { | |
5261 | cmpltr = 5; | |
5262 | } | |
5263 | else if (strcasecmp (name, "sv") == 0) | |
5264 | { | |
5265 | cmpltr = 6; | |
5266 | } | |
5267 | else if (strcasecmp (name, "od") == 0) | |
5268 | { | |
5269 | cmpltr = 7; | |
5270 | } | |
5271 | /* If we have something like addb,n then there is no condition | |
5272 | completer. */ | |
5273 | else if (strcasecmp (name, "n") == 0 && isbranch) | |
5274 | { | |
5275 | cmpltr = 0; | |
5276 | nullify = 1; | |
5277 | } | |
5278 | else | |
5279 | { | |
5280 | cmpltr = -1; | |
5281 | } | |
5282 | **s = c; | |
5283 | } | |
5284 | ||
5285 | /* Reset pointers if this was really a ,n for a branch instruction. */ | |
5286 | if (nullify) | |
5287 | *s = save_s; | |
5288 | ||
5289 | ||
5290 | return cmpltr; | |
5291 | } | |
5292 | ||
5293 | /* Parse a negated compare/subtract completer returning the | |
5294 | number (for encoding in instrutions) of the given completer. | |
5295 | ||
5296 | ISBRANCH specifies whether or not this is parsing a condition | |
5297 | completer for a branch (vs a nullification completer for a | |
5298 | computational instruction. */ | |
5299 | ||
5300 | static int | |
5301 | pa_parse_neg_cmpsub_cmpltr (s, isbranch) | |
5302 | char **s; | |
5303 | int isbranch; | |
5304 | { | |
5305 | int cmpltr; | |
5306 | char *name = *s + 1; | |
5307 | char c; | |
5308 | char *save_s = *s; | |
5309 | int nullify = 0; | |
5310 | ||
5311 | cmpltr = 0; | |
5312 | if (**s == ',') | |
5313 | { | |
5314 | *s += 1; | |
5315 | while (**s != ',' && **s != ' ' && **s != '\t') | |
5316 | *s += 1; | |
5317 | c = **s; | |
5318 | **s = 0x00; | |
5319 | ||
5320 | ||
5321 | if (strcasecmp (name, "tr") == 0) | |
5322 | { | |
5323 | cmpltr = 0; | |
5324 | } | |
5325 | else if (strcmp (name, "<>") == 0) | |
5326 | { | |
5327 | cmpltr = 1; | |
5328 | } | |
5329 | else if (strcmp (name, ">=") == 0) | |
5330 | { | |
5331 | cmpltr = 2; | |
5332 | } | |
5333 | else if (strcmp (name, ">") == 0) | |
5334 | { | |
5335 | cmpltr = 3; | |
5336 | } | |
5337 | else if (strcmp (name, ">>=") == 0) | |
5338 | { | |
5339 | cmpltr = 4; | |
5340 | } | |
5341 | else if (strcmp (name, ">>") == 0) | |
5342 | { | |
5343 | cmpltr = 5; | |
5344 | } | |
5345 | else if (strcasecmp (name, "nsv") == 0) | |
5346 | { | |
5347 | cmpltr = 6; | |
5348 | } | |
5349 | else if (strcasecmp (name, "ev") == 0) | |
5350 | { | |
5351 | cmpltr = 7; | |
5352 | } | |
5353 | /* If we have something like addb,n then there is no condition | |
5354 | completer. */ | |
5355 | else if (strcasecmp (name, "n") == 0 && isbranch) | |
5356 | { | |
5357 | cmpltr = 0; | |
5358 | nullify = 1; | |
5359 | } | |
5360 | else | |
5361 | { | |
5362 | cmpltr = -1; | |
5363 | } | |
5364 | **s = c; | |
5365 | } | |
5366 | ||
5367 | /* Reset pointers if this was really a ,n for a branch instruction. */ | |
5368 | if (nullify) | |
5369 | *s = save_s; | |
5370 | ||
5371 | ||
5372 | return cmpltr; | |
5373 | } | |
5374 | ||
5375 | ||
d53d2751 JL |
5376 | /* Parse a 64 bit compare and branch completer returning the number (for |
5377 | encoding in instrutions) of the given completer. | |
5378 | ||
5379 | Nonnegated comparisons are returned as 0-7, negated comparisons are | |
5380 | returned as 8-15. */ | |
5381 | ||
5382 | static int | |
5383 | pa_parse_cmpb_64_cmpltr (s) | |
5384 | char **s; | |
5385 | { | |
5386 | int cmpltr; | |
5387 | char *name = *s + 1; | |
5388 | char c; | |
5389 | char *save_s = *s; | |
5390 | ||
5391 | cmpltr = -1; | |
5392 | if (**s == ',') | |
5393 | { | |
5394 | *s += 1; | |
5395 | while (**s != ',' && **s != ' ' && **s != '\t') | |
5396 | *s += 1; | |
5397 | c = **s; | |
5398 | **s = 0x00; | |
5399 | ||
5400 | if (strcmp (name, "*") == 0) | |
5401 | { | |
5402 | cmpltr = 0; | |
5403 | } | |
5404 | else if (strcmp (name, "*=") == 0) | |
5405 | { | |
5406 | cmpltr = 1; | |
5407 | } | |
5408 | else if (strcmp (name, "*<") == 0) | |
5409 | { | |
5410 | cmpltr = 2; | |
5411 | } | |
5412 | else if (strcmp (name, "*<=") == 0) | |
5413 | { | |
5414 | cmpltr = 3; | |
5415 | } | |
5416 | else if (strcmp (name, "*<<") == 0) | |
5417 | { | |
5418 | cmpltr = 4; | |
5419 | } | |
5420 | else if (strcmp (name, "*<<=") == 0) | |
5421 | { | |
5422 | cmpltr = 5; | |
5423 | } | |
5424 | else if (strcasecmp (name, "*sv") == 0) | |
5425 | { | |
5426 | cmpltr = 6; | |
5427 | } | |
5428 | else if (strcasecmp (name, "*od") == 0) | |
5429 | { | |
5430 | cmpltr = 7; | |
5431 | } | |
5432 | else if (strcasecmp (name, "*tr") == 0) | |
5433 | { | |
5434 | cmpltr = 8; | |
5435 | } | |
5436 | else if (strcmp (name, "*<>") == 0) | |
5437 | { | |
5438 | cmpltr = 9; | |
5439 | } | |
5440 | else if (strcmp (name, "*>=") == 0) | |
5441 | { | |
5442 | cmpltr = 10; | |
5443 | } | |
5444 | else if (strcmp (name, "*>") == 0) | |
5445 | { | |
5446 | cmpltr = 11; | |
5447 | } | |
5448 | else if (strcmp (name, "*>>=") == 0) | |
5449 | { | |
5450 | cmpltr = 12; | |
5451 | } | |
5452 | else if (strcmp (name, "*>>") == 0) | |
5453 | { | |
5454 | cmpltr = 13; | |
5455 | } | |
5456 | else if (strcasecmp (name, "*nsv") == 0) | |
5457 | { | |
5458 | cmpltr = 14; | |
5459 | } | |
5460 | else if (strcasecmp (name, "*ev") == 0) | |
5461 | { | |
5462 | cmpltr = 15; | |
5463 | } | |
5464 | else | |
5465 | { | |
5466 | cmpltr = -1; | |
5467 | } | |
5468 | **s = c; | |
5469 | } | |
5470 | ||
5471 | ||
5472 | return cmpltr; | |
5473 | } | |
5474 | ||
5475 | /* Parse a 64 bit compare immediate and branch completer returning the number | |
5476 | (for encoding in instrutions) of the given completer. */ | |
5477 | ||
5478 | static int | |
5479 | pa_parse_cmpib_64_cmpltr (s) | |
5480 | char **s; | |
5481 | { | |
5482 | int cmpltr; | |
5483 | char *name = *s + 1; | |
5484 | char c; | |
5485 | char *save_s = *s; | |
5486 | ||
5487 | cmpltr = -1; | |
5488 | if (**s == ',') | |
5489 | { | |
5490 | *s += 1; | |
5491 | while (**s != ',' && **s != ' ' && **s != '\t') | |
5492 | *s += 1; | |
5493 | c = **s; | |
5494 | **s = 0x00; | |
5495 | ||
5496 | if (strcmp (name, "*<<") == 0) | |
5497 | { | |
5498 | cmpltr = 0; | |
5499 | } | |
5500 | else if (strcmp (name, "*=") == 0) | |
5501 | { | |
5502 | cmpltr = 1; | |
5503 | } | |
5504 | else if (strcmp (name, "*<") == 0) | |
5505 | { | |
5506 | cmpltr = 2; | |
5507 | } | |
5508 | else if (strcmp (name, "*<=") == 0) | |
5509 | { | |
5510 | cmpltr = 3; | |
5511 | } | |
5512 | else if (strcmp (name, "*>>=") == 0) | |
5513 | { | |
5514 | cmpltr = 4; | |
5515 | } | |
5516 | else if (strcmp (name, "*<>") == 0) | |
5517 | { | |
5518 | cmpltr = 5; | |
5519 | } | |
5520 | else if (strcasecmp (name, "*>=") == 0) | |
5521 | { | |
5522 | cmpltr = 6; | |
5523 | } | |
5524 | else if (strcasecmp (name, "*>") == 0) | |
5525 | { | |
5526 | cmpltr = 7; | |
5527 | } | |
5528 | else | |
5529 | { | |
5530 | cmpltr = -1; | |
5531 | } | |
5532 | **s = c; | |
5533 | } | |
5534 | ||
5535 | ||
5536 | return cmpltr; | |
5537 | } | |
5538 | ||
252b5132 RH |
5539 | /* Parse a non-negated addition completer returning the number |
5540 | (for encoding in instrutions) of the given completer. | |
5541 | ||
5542 | ISBRANCH specifies whether or not this is parsing a condition | |
5543 | completer for a branch (vs a nullification completer for a | |
5544 | computational instruction. */ | |
5545 | ||
5546 | static int | |
5547 | pa_parse_nonneg_add_cmpltr (s, isbranch) | |
5548 | char **s; | |
5549 | int isbranch; | |
5550 | { | |
5551 | int cmpltr; | |
5552 | char *name = *s + 1; | |
5553 | char c; | |
5554 | char *save_s = *s; | |
5555 | ||
5556 | cmpltr = 0; | |
5557 | if (**s == ',') | |
5558 | { | |
5559 | *s += 1; | |
5560 | while (**s != ',' && **s != ' ' && **s != '\t') | |
5561 | *s += 1; | |
5562 | c = **s; | |
5563 | **s = 0x00; | |
5564 | if (strcmp (name, "=") == 0) | |
5565 | { | |
5566 | cmpltr = 1; | |
5567 | } | |
5568 | else if (strcmp (name, "<") == 0) | |
5569 | { | |
5570 | cmpltr = 2; | |
5571 | } | |
5572 | else if (strcmp (name, "<=") == 0) | |
5573 | { | |
5574 | cmpltr = 3; | |
5575 | } | |
5576 | else if (strcasecmp (name, "nuv") == 0) | |
5577 | { | |
5578 | cmpltr = 4; | |
5579 | } | |
5580 | else if (strcasecmp (name, "znv") == 0) | |
5581 | { | |
5582 | cmpltr = 5; | |
5583 | } | |
5584 | else if (strcasecmp (name, "sv") == 0) | |
5585 | { | |
5586 | cmpltr = 6; | |
5587 | } | |
5588 | else if (strcasecmp (name, "od") == 0) | |
5589 | { | |
5590 | cmpltr = 7; | |
5591 | } | |
5592 | /* If we have something like addb,n then there is no condition | |
5593 | completer. */ | |
5594 | else if (strcasecmp (name, "n") == 0 && isbranch) | |
5595 | { | |
5596 | cmpltr = 0; | |
5597 | } | |
5598 | else | |
5599 | { | |
5600 | cmpltr = -1; | |
5601 | } | |
5602 | **s = c; | |
5603 | } | |
5604 | ||
5605 | /* Reset pointers if this was really a ,n for a branch instruction. */ | |
5606 | if (cmpltr == 0 && *name == 'n' && isbranch) | |
5607 | *s = save_s; | |
5608 | ||
5609 | return cmpltr; | |
5610 | } | |
5611 | ||
5612 | /* Parse a negated addition completer returning the number | |
5613 | (for encoding in instrutions) of the given completer. | |
5614 | ||
5615 | ISBRANCH specifies whether or not this is parsing a condition | |
5616 | completer for a branch (vs a nullification completer for a | |
5617 | computational instruction). */ | |
5618 | ||
5619 | static int | |
5620 | pa_parse_neg_add_cmpltr (s, isbranch) | |
5621 | char **s; | |
5622 | int isbranch; | |
5623 | { | |
5624 | int cmpltr; | |
5625 | char *name = *s + 1; | |
5626 | char c; | |
5627 | char *save_s = *s; | |
5628 | ||
5629 | cmpltr = 0; | |
5630 | if (**s == ',') | |
5631 | { | |
5632 | *s += 1; | |
5633 | while (**s != ',' && **s != ' ' && **s != '\t') | |
5634 | *s += 1; | |
5635 | c = **s; | |
5636 | **s = 0x00; | |
5637 | if (strcasecmp (name, "tr") == 0) | |
5638 | { | |
5639 | cmpltr = 0; | |
5640 | } | |
5641 | else if (strcmp (name, "<>") == 0) | |
5642 | { | |
5643 | cmpltr = 1; | |
5644 | } | |
5645 | else if (strcmp (name, ">=") == 0) | |
5646 | { | |
5647 | cmpltr = 2; | |
5648 | } | |
5649 | else if (strcmp (name, ">") == 0) | |
5650 | { | |
5651 | cmpltr = 3; | |
5652 | } | |
5653 | else if (strcasecmp (name, "uv") == 0) | |
5654 | { | |
5655 | cmpltr = 4; | |
5656 | } | |
5657 | else if (strcasecmp (name, "vnz") == 0) | |
5658 | { | |
5659 | cmpltr = 5; | |
5660 | } | |
5661 | else if (strcasecmp (name, "nsv") == 0) | |
5662 | { | |
5663 | cmpltr = 6; | |
5664 | } | |
5665 | else if (strcasecmp (name, "ev") == 0) | |
5666 | { | |
5667 | cmpltr = 7; | |
5668 | } | |
5669 | /* If we have something like addb,n then there is no condition | |
5670 | completer. */ | |
5671 | else if (strcasecmp (name, "n") == 0 && isbranch) | |
5672 | { | |
5673 | cmpltr = 0; | |
5674 | } | |
5675 | else | |
5676 | { | |
5677 | cmpltr = -1; | |
5678 | } | |
5679 | **s = c; | |
5680 | } | |
5681 | ||
5682 | /* Reset pointers if this was really a ,n for a branch instruction. */ | |
5683 | if (cmpltr == 0 && *name == 'n' && isbranch) | |
5684 | *s = save_s; | |
5685 | ||
5686 | return cmpltr; | |
5687 | } | |
5688 | ||
d53d2751 JL |
5689 | /* Parse a 64 bit wide mode add and branch completer returning the number (for |
5690 | encoding in instrutions) of the given completer. */ | |
5691 | ||
5692 | static int | |
5693 | pa_parse_addb_64_cmpltr (s) | |
5694 | char **s; | |
5695 | { | |
5696 | int cmpltr; | |
5697 | char *name = *s + 1; | |
5698 | char c; | |
5699 | char *save_s = *s; | |
5700 | int nullify = 0; | |
5701 | ||
5702 | cmpltr = 0; | |
5703 | if (**s == ',') | |
5704 | { | |
5705 | *s += 1; | |
5706 | while (**s != ',' && **s != ' ' && **s != '\t') | |
5707 | *s += 1; | |
5708 | c = **s; | |
5709 | **s = 0x00; | |
5710 | if (strcmp (name, "=") == 0) | |
5711 | { | |
5712 | cmpltr = 1; | |
5713 | } | |
5714 | else if (strcmp (name, "<") == 0) | |
5715 | { | |
5716 | cmpltr = 2; | |
5717 | } | |
5718 | else if (strcmp (name, "<=") == 0) | |
5719 | { | |
5720 | cmpltr = 3; | |
5721 | } | |
5722 | else if (strcasecmp (name, "nuv") == 0) | |
5723 | { | |
5724 | cmpltr = 4; | |
5725 | } | |
5726 | else if (strcasecmp (name, "*=") == 0) | |
5727 | { | |
5728 | cmpltr = 5; | |
5729 | } | |
5730 | else if (strcasecmp (name, "*<") == 0) | |
5731 | { | |
5732 | cmpltr = 6; | |
5733 | } | |
5734 | else if (strcasecmp (name, "*<=") == 0) | |
5735 | { | |
5736 | cmpltr = 7; | |
5737 | } | |
5738 | else if (strcmp (name, "tr") == 0) | |
5739 | { | |
5740 | cmpltr = 8; | |
5741 | } | |
5742 | else if (strcmp (name, "<>") == 0) | |
5743 | { | |
5744 | cmpltr = 9; | |
5745 | } | |
5746 | else if (strcmp (name, ">=") == 0) | |
5747 | { | |
5748 | cmpltr = 10; | |
5749 | } | |
5750 | else if (strcmp (name, ">") == 0) | |
5751 | { | |
5752 | cmpltr = 11; | |
5753 | } | |
5754 | else if (strcasecmp (name, "uv") == 0) | |
5755 | { | |
5756 | cmpltr = 12; | |
5757 | } | |
5758 | else if (strcasecmp (name, "*<>") == 0) | |
5759 | { | |
5760 | cmpltr = 13; | |
5761 | } | |
5762 | else if (strcasecmp (name, "*>=") == 0) | |
5763 | { | |
5764 | cmpltr = 14; | |
5765 | } | |
5766 | else if (strcasecmp (name, "*>") == 0) | |
5767 | { | |
5768 | cmpltr = 15; | |
5769 | } | |
5770 | /* If we have something like addb,n then there is no condition | |
5771 | completer. */ | |
5772 | else if (strcasecmp (name, "n") == 0) | |
5773 | { | |
5774 | cmpltr = 0; | |
5775 | nullify = 1; | |
5776 | } | |
5777 | else | |
5778 | { | |
5779 | cmpltr = -1; | |
5780 | } | |
5781 | **s = c; | |
5782 | } | |
5783 | ||
5784 | /* Reset pointers if this was really a ,n for a branch instruction. */ | |
5785 | if (nullify) | |
5786 | *s = save_s; | |
5787 | ||
5788 | return cmpltr; | |
5789 | } | |
5790 | ||
49863f82 | 5791 | #ifdef OBJ_SOM |
252b5132 RH |
5792 | /* Handle an alignment directive. Special so that we can update the |
5793 | alignment of the subspace if necessary. */ | |
5794 | static void | |
5795 | pa_align (bytes) | |
5796 | { | |
5797 | /* We must have a valid space and subspace. */ | |
5798 | pa_check_current_space_and_subspace (); | |
5799 | ||
5800 | /* Let the generic gas code do most of the work. */ | |
5801 | s_align_bytes (bytes); | |
5802 | ||
5803 | /* If bytes is a power of 2, then update the current subspace's | |
5804 | alignment if necessary. */ | |
5805 | if (log2 (bytes) != -1) | |
5806 | record_alignment (current_subspace->ssd_seg, log2 (bytes)); | |
5807 | } | |
49863f82 | 5808 | #endif |
252b5132 RH |
5809 | |
5810 | /* Handle a .BLOCK type pseudo-op. */ | |
5811 | ||
5812 | static void | |
5813 | pa_block (z) | |
5814 | int z; | |
5815 | { | |
5816 | char *p; | |
5817 | long int temp_fill; | |
5818 | unsigned int temp_size; | |
5819 | unsigned int i; | |
5820 | ||
49863f82 | 5821 | #ifdef OBJ_SOM |
252b5132 RH |
5822 | /* We must have a valid space and subspace. */ |
5823 | pa_check_current_space_and_subspace (); | |
49863f82 | 5824 | #endif |
252b5132 RH |
5825 | |
5826 | temp_size = get_absolute_expression (); | |
5827 | ||
5828 | /* Always fill with zeros, that's what the HP assembler does. */ | |
5829 | temp_fill = 0; | |
5830 | ||
5831 | p = frag_var (rs_fill, (int) temp_size, (int) temp_size, | |
5832 | (relax_substateT) 0, (symbolS *) 0, (offsetT) 1, NULL); | |
5833 | memset (p, 0, temp_size); | |
5834 | ||
5835 | /* Convert 2 bytes at a time. */ | |
5836 | ||
5837 | for (i = 0; i < temp_size; i += 2) | |
5838 | { | |
5839 | md_number_to_chars (p + i, | |
5840 | (valueT) temp_fill, | |
5841 | (int) ((temp_size - i) > 2 ? 2 : (temp_size - i))); | |
5842 | } | |
5843 | ||
5844 | pa_undefine_label (); | |
5845 | demand_empty_rest_of_line (); | |
5846 | } | |
5847 | ||
5848 | /* Handle a .begin_brtab and .end_brtab pseudo-op. */ | |
5849 | ||
5850 | static void | |
5851 | pa_brtab (begin) | |
5852 | int begin; | |
5853 | { | |
5854 | ||
5855 | #ifdef OBJ_SOM | |
5856 | /* The BRTAB relocations are only availble in SOM (to denote | |
5857 | the beginning and end of branch tables). */ | |
5858 | char *where = frag_more (0); | |
5859 | ||
5860 | fix_new_hppa (frag_now, where - frag_now->fr_literal, 0, | |
5861 | NULL, (offsetT) 0, NULL, | |
5862 | 0, begin ? R_HPPA_BEGIN_BRTAB : R_HPPA_END_BRTAB, | |
5863 | e_fsel, 0, 0, NULL); | |
5864 | #endif | |
5865 | ||
5866 | demand_empty_rest_of_line (); | |
5867 | } | |
5868 | ||
5869 | /* Handle a .begin_try and .end_try pseudo-op. */ | |
5870 | ||
5871 | static void | |
5872 | pa_try (begin) | |
5873 | int begin; | |
5874 | { | |
5875 | #ifdef OBJ_SOM | |
5876 | expressionS exp; | |
5877 | char *where = frag_more (0); | |
5878 | ||
5879 | if (! begin) | |
5880 | expression (&exp); | |
5881 | ||
5882 | /* The TRY relocations are only availble in SOM (to denote | |
5883 | the beginning and end of exception handling regions). */ | |
5884 | ||
5885 | fix_new_hppa (frag_now, where - frag_now->fr_literal, 0, | |
5886 | NULL, (offsetT) 0, begin ? NULL : &exp, | |
5887 | 0, begin ? R_HPPA_BEGIN_TRY : R_HPPA_END_TRY, | |
5888 | e_fsel, 0, 0, NULL); | |
5889 | #endif | |
5890 | ||
5891 | demand_empty_rest_of_line (); | |
5892 | } | |
5893 | ||
5894 | /* Handle a .CALL pseudo-op. This involves storing away information | |
5895 | about where arguments are to be found so the linker can detect | |
5896 | (and correct) argument location mismatches between caller and callee. */ | |
5897 | ||
5898 | static void | |
5899 | pa_call (unused) | |
5900 | int unused; | |
5901 | { | |
49863f82 | 5902 | #ifdef OBJ_SOM |
252b5132 RH |
5903 | /* We must have a valid space and subspace. */ |
5904 | pa_check_current_space_and_subspace (); | |
49863f82 | 5905 | #endif |
252b5132 RH |
5906 | |
5907 | pa_call_args (&last_call_desc); | |
5908 | demand_empty_rest_of_line (); | |
5909 | } | |
5910 | ||
5911 | /* Do the dirty work of building a call descriptor which describes | |
5912 | where the caller placed arguments to a function call. */ | |
5913 | ||
5914 | static void | |
5915 | pa_call_args (call_desc) | |
5916 | struct call_desc *call_desc; | |
5917 | { | |
5918 | char *name, c, *p; | |
5919 | unsigned int temp, arg_reloc; | |
5920 | ||
5921 | while (!is_end_of_statement ()) | |
5922 | { | |
5923 | name = input_line_pointer; | |
5924 | c = get_symbol_end (); | |
5925 | /* Process a source argument. */ | |
5926 | if ((strncasecmp (name, "argw", 4) == 0)) | |
5927 | { | |
5928 | temp = atoi (name + 4); | |
5929 | p = input_line_pointer; | |
5930 | *p = c; | |
5931 | input_line_pointer++; | |
5932 | name = input_line_pointer; | |
5933 | c = get_symbol_end (); | |
5934 | arg_reloc = pa_build_arg_reloc (name); | |
5935 | call_desc->arg_reloc |= pa_align_arg_reloc (temp, arg_reloc); | |
5936 | } | |
5937 | /* Process a return value. */ | |
5938 | else if ((strncasecmp (name, "rtnval", 6) == 0)) | |
5939 | { | |
5940 | p = input_line_pointer; | |
5941 | *p = c; | |
5942 | input_line_pointer++; | |
5943 | name = input_line_pointer; | |
5944 | c = get_symbol_end (); | |
5945 | arg_reloc = pa_build_arg_reloc (name); | |
5946 | call_desc->arg_reloc |= (arg_reloc & 0x3); | |
5947 | } | |
5948 | else | |
5949 | { | |
5950 | as_bad (_("Invalid .CALL argument: %s"), name); | |
5951 | } | |
5952 | p = input_line_pointer; | |
5953 | *p = c; | |
5954 | if (!is_end_of_statement ()) | |
5955 | input_line_pointer++; | |
5956 | } | |
5957 | } | |
5958 | ||
5959 | /* Return TRUE if FRAG1 and FRAG2 are the same. */ | |
5960 | ||
5961 | static int | |
5962 | is_same_frag (frag1, frag2) | |
5963 | fragS *frag1; | |
5964 | fragS *frag2; | |
5965 | { | |
5966 | ||
5967 | if (frag1 == NULL) | |
5968 | return (FALSE); | |
5969 | else if (frag2 == NULL) | |
5970 | return (FALSE); | |
5971 | else if (frag1 == frag2) | |
5972 | return (TRUE); | |
5973 | else if (frag2->fr_type == rs_fill && frag2->fr_fix == 0) | |
5974 | return (is_same_frag (frag1, frag2->fr_next)); | |
5975 | else | |
5976 | return (FALSE); | |
5977 | } | |
5978 | ||
5979 | #ifdef OBJ_ELF | |
5980 | /* Build an entry in the UNWIND subspace from the given function | |
5981 | attributes in CALL_INFO. This is not needed for SOM as using | |
5982 | R_ENTRY and R_EXIT relocations allow the linker to handle building | |
5983 | of the unwind spaces. */ | |
5984 | ||
5985 | static void | |
5986 | pa_build_unwind_subspace (call_info) | |
5987 | struct call_info *call_info; | |
5988 | { | |
5989 | char *unwind; | |
5990 | asection *seg, *save_seg; | |
46031ca9 | 5991 | asymbol *sym; |
252b5132 | 5992 | subsegT subseg, save_subseg; |
46031ca9 | 5993 | int i, reloc; |
252b5132 RH |
5994 | char c, *p; |
5995 | ||
f1a1312b | 5996 | if (now_seg != text_section) |
7acbfc6b JL |
5997 | return; |
5998 | ||
9100134c JL |
5999 | if (bfd_get_arch_info (stdoutput)->bits_per_address == 32) |
6000 | reloc = R_PARISC_DIR32; | |
46031ca9 | 6001 | else |
9100134c | 6002 | reloc = R_PARISC_SEGREL32; |
d53d2751 | 6003 | |
c97305a1 JL |
6004 | save_seg = now_seg; |
6005 | save_subseg = now_subseg; | |
252b5132 RH |
6006 | /* Get into the right seg/subseg. This may involve creating |
6007 | the seg the first time through. Make sure to have the | |
6008 | old seg/subseg so that we can reset things when we are done. */ | |
252b5132 RH |
6009 | seg = bfd_get_section_by_name (stdoutput, UNWIND_SECTION_NAME); |
6010 | if (seg == ASEC_NULL) | |
6011 | { | |
c97305a1 | 6012 | seg = subseg_new (UNWIND_SECTION_NAME, 0); |
252b5132 RH |
6013 | bfd_set_section_flags (stdoutput, seg, |
6014 | SEC_READONLY | SEC_HAS_CONTENTS | |
b100be66 JL |
6015 | | SEC_LOAD | SEC_RELOC | SEC_ALLOC | SEC_DATA); |
6016 | bfd_set_section_alignment (stdoutput, seg, 2); | |
252b5132 RH |
6017 | } |
6018 | ||
46031ca9 | 6019 | subseg_set (seg, 0); |
252b5132 RH |
6020 | |
6021 | ||
6022 | /* Get some space to hold relocation information for the unwind | |
6023 | descriptor. */ | |
6024 | p = frag_more (4); | |
6025 | md_number_to_chars (p, 0, 4); | |
6026 | ||
6027 | /* Relocation info. for start offset of the function. */ | |
6028 | fix_new_hppa (frag_now, p - frag_now->fr_literal, 4, | |
6029 | call_info->start_symbol, (offsetT) 0, | |
46031ca9 JL |
6030 | (expressionS *) NULL, 0, reloc, |
6031 | e_fsel, 32, 0, NULL); | |
252b5132 RH |
6032 | |
6033 | p = frag_more (4); | |
6034 | md_number_to_chars (p, 0, 4); | |
6035 | ||
6036 | /* Relocation info. for end offset of the function. | |
6037 | ||
6038 | Because we allow reductions of 32bit relocations for ELF, this will be | |
6039 | reduced to section_sym + offset which avoids putting the temporary | |
6040 | symbol into the symbol table. It (should) end up giving the same | |
6041 | value as call_info->start_symbol + function size once the linker is | |
6042 | finished with its work. */ | |
6043 | ||
6044 | fix_new_hppa (frag_now, p - frag_now->fr_literal, 4, | |
6045 | call_info->end_symbol, (offsetT) 0, | |
46031ca9 JL |
6046 | (expressionS *) NULL, 0, reloc, |
6047 | e_fsel, 32, 0, NULL); | |
252b5132 RH |
6048 | |
6049 | /* Dump it. */ | |
6050 | unwind = (char *) &call_info->ci_unwind; | |
6051 | for (i = 8; i < sizeof (struct unwind_table); i++) | |
6052 | { | |
6053 | c = *(unwind + i); | |
6054 | { | |
6055 | FRAG_APPEND_1_CHAR (c); | |
6056 | } | |
6057 | } | |
6058 | ||
6059 | /* Return back to the original segment/subsegment. */ | |
6060 | subseg_set (save_seg, save_subseg); | |
6061 | } | |
6062 | #endif | |
6063 | ||
6064 | /* Process a .CALLINFO pseudo-op. This information is used later | |
6065 | to build unwind descriptors and maybe one day to support | |
6066 | .ENTER and .LEAVE. */ | |
6067 | ||
6068 | static void | |
6069 | pa_callinfo (unused) | |
6070 | int unused; | |
6071 | { | |
6072 | char *name, c, *p; | |
6073 | int temp; | |
6074 | ||
49863f82 | 6075 | #ifdef OBJ_SOM |
252b5132 RH |
6076 | /* We must have a valid space and subspace. */ |
6077 | pa_check_current_space_and_subspace (); | |
49863f82 | 6078 | #endif |
252b5132 RH |
6079 | |
6080 | /* .CALLINFO must appear within a procedure definition. */ | |
6081 | if (!within_procedure) | |
6082 | as_bad (_(".callinfo is not within a procedure definition")); | |
6083 | ||
6084 | /* Mark the fact that we found the .CALLINFO for the | |
6085 | current procedure. */ | |
6086 | callinfo_found = TRUE; | |
6087 | ||
6088 | /* Iterate over the .CALLINFO arguments. */ | |
6089 | while (!is_end_of_statement ()) | |
6090 | { | |
6091 | name = input_line_pointer; | |
6092 | c = get_symbol_end (); | |
6093 | /* Frame size specification. */ | |
6094 | if ((strncasecmp (name, "frame", 5) == 0)) | |
6095 | { | |
6096 | p = input_line_pointer; | |
6097 | *p = c; | |
6098 | input_line_pointer++; | |
6099 | temp = get_absolute_expression (); | |
6100 | if ((temp & 0x3) != 0) | |
6101 | { | |
6102 | as_bad (_("FRAME parameter must be a multiple of 8: %d\n"), temp); | |
6103 | temp = 0; | |
6104 | } | |
6105 | ||
6106 | /* callinfo is in bytes and unwind_desc is in 8 byte units. */ | |
6107 | last_call_info->ci_unwind.descriptor.frame_size = temp / 8; | |
6108 | ||
6109 | } | |
6110 | /* Entry register (GR, GR and SR) specifications. */ | |
6111 | else if ((strncasecmp (name, "entry_gr", 8) == 0)) | |
6112 | { | |
6113 | p = input_line_pointer; | |
6114 | *p = c; | |
6115 | input_line_pointer++; | |
6116 | temp = get_absolute_expression (); | |
6117 | /* The HP assembler accepts 19 as the high bound for ENTRY_GR | |
6118 | even though %r19 is caller saved. I think this is a bug in | |
6119 | the HP assembler, and we are not going to emulate it. */ | |
6120 | if (temp < 3 || temp > 18) | |
6121 | as_bad (_("Value for ENTRY_GR must be in the range 3..18\n")); | |
6122 | last_call_info->ci_unwind.descriptor.entry_gr = temp - 2; | |
6123 | } | |
6124 | else if ((strncasecmp (name, "entry_fr", 8) == 0)) | |
6125 | { | |
6126 | p = input_line_pointer; | |
6127 | *p = c; | |
6128 | input_line_pointer++; | |
6129 | temp = get_absolute_expression (); | |
6130 | /* Similarly the HP assembler takes 31 as the high bound even | |
6131 | though %fr21 is the last callee saved floating point register. */ | |
6132 | if (temp < 12 || temp > 21) | |
6133 | as_bad (_("Value for ENTRY_FR must be in the range 12..21\n")); | |
6134 | last_call_info->ci_unwind.descriptor.entry_fr = temp - 11; | |
6135 | } | |
6136 | else if ((strncasecmp (name, "entry_sr", 8) == 0)) | |
6137 | { | |
6138 | p = input_line_pointer; | |
6139 | *p = c; | |
6140 | input_line_pointer++; | |
6141 | temp = get_absolute_expression (); | |
6142 | if (temp != 3) | |
6143 | as_bad (_("Value for ENTRY_SR must be 3\n")); | |
6144 | } | |
6145 | /* Note whether or not this function performs any calls. */ | |
6146 | else if ((strncasecmp (name, "calls", 5) == 0) || | |
6147 | (strncasecmp (name, "caller", 6) == 0)) | |
6148 | { | |
6149 | p = input_line_pointer; | |
6150 | *p = c; | |
6151 | } | |
6152 | else if ((strncasecmp (name, "no_calls", 8) == 0)) | |
6153 | { | |
6154 | p = input_line_pointer; | |
6155 | *p = c; | |
6156 | } | |
6157 | /* Should RP be saved into the stack. */ | |
6158 | else if ((strncasecmp (name, "save_rp", 7) == 0)) | |
6159 | { | |
6160 | p = input_line_pointer; | |
6161 | *p = c; | |
6162 | last_call_info->ci_unwind.descriptor.save_rp = 1; | |
6163 | } | |
6164 | /* Likewise for SP. */ | |
6165 | else if ((strncasecmp (name, "save_sp", 7) == 0)) | |
6166 | { | |
6167 | p = input_line_pointer; | |
6168 | *p = c; | |
6169 | last_call_info->ci_unwind.descriptor.save_sp = 1; | |
6170 | } | |
6171 | /* Is this an unwindable procedure. If so mark it so | |
6172 | in the unwind descriptor. */ | |
6173 | else if ((strncasecmp (name, "no_unwind", 9) == 0)) | |
6174 | { | |
6175 | p = input_line_pointer; | |
6176 | *p = c; | |
6177 | last_call_info->ci_unwind.descriptor.cannot_unwind = 1; | |
6178 | } | |
6179 | /* Is this an interrupt routine. If so mark it in the | |
6180 | unwind descriptor. */ | |
6181 | else if ((strncasecmp (name, "hpux_int", 7) == 0)) | |
6182 | { | |
6183 | p = input_line_pointer; | |
6184 | *p = c; | |
6185 | last_call_info->ci_unwind.descriptor.hpux_interrupt_marker = 1; | |
6186 | } | |
6187 | /* Is this a millicode routine. "millicode" isn't in my | |
6188 | assembler manual, but my copy is old. The HP assembler | |
6189 | accepts it, and there's a place in the unwind descriptor | |
6190 | to drop the information, so we'll accept it too. */ | |
6191 | else if ((strncasecmp (name, "millicode", 9) == 0)) | |
6192 | { | |
6193 | p = input_line_pointer; | |
6194 | *p = c; | |
6195 | last_call_info->ci_unwind.descriptor.millicode = 1; | |
6196 | } | |
6197 | else | |
6198 | { | |
6199 | as_bad (_("Invalid .CALLINFO argument: %s"), name); | |
6200 | *input_line_pointer = c; | |
6201 | } | |
6202 | if (!is_end_of_statement ()) | |
6203 | input_line_pointer++; | |
6204 | } | |
6205 | ||
6206 | demand_empty_rest_of_line (); | |
6207 | } | |
6208 | ||
6209 | /* Switch into the code subspace. */ | |
6210 | ||
6211 | static void | |
6212 | pa_code (unused) | |
6213 | int unused; | |
6214 | { | |
49863f82 | 6215 | #ifdef OBJ_SOM |
252b5132 RH |
6216 | current_space = is_defined_space ("$TEXT$"); |
6217 | current_subspace | |
6218 | = pa_subsegment_to_subspace (current_space->sd_seg, 0); | |
49863f82 | 6219 | #endif |
252b5132 RH |
6220 | s_text (0); |
6221 | pa_undefine_label (); | |
6222 | } | |
6223 | ||
6224 | /* This is different than the standard GAS s_comm(). On HP9000/800 machines, | |
6225 | the .comm pseudo-op has the following symtax: | |
6226 | ||
6227 | <label> .comm <length> | |
6228 | ||
6229 | where <label> is optional and is a symbol whose address will be the start of | |
6230 | a block of memory <length> bytes long. <length> must be an absolute | |
6231 | expression. <length> bytes will be allocated in the current space | |
6232 | and subspace. | |
6233 | ||
6234 | Also note the label may not even be on the same line as the .comm. | |
6235 | ||
6236 | This difference in syntax means the colon function will be called | |
6237 | on the symbol before we arrive in pa_comm. colon will set a number | |
6238 | of attributes of the symbol that need to be fixed here. In particular | |
6239 | the value, section pointer, fragment pointer, flags, etc. What | |
6240 | a pain. | |
6241 | ||
6242 | This also makes error detection all but impossible. */ | |
6243 | ||
6244 | static void | |
6245 | pa_comm (unused) | |
6246 | int unused; | |
6247 | { | |
6248 | unsigned int size; | |
6249 | symbolS *symbol; | |
6250 | label_symbol_struct *label_symbol = pa_get_label (); | |
6251 | ||
6252 | if (label_symbol) | |
6253 | symbol = label_symbol->lss_label; | |
6254 | else | |
6255 | symbol = NULL; | |
6256 | ||
6257 | SKIP_WHITESPACE (); | |
6258 | size = get_absolute_expression (); | |
6259 | ||
6260 | if (symbol) | |
6261 | { | |
6262 | S_SET_VALUE (symbol, size); | |
6263 | S_SET_SEGMENT (symbol, bfd_und_section_ptr); | |
6264 | S_SET_EXTERNAL (symbol); | |
6265 | ||
6266 | /* colon() has already set the frag to the current location in the | |
6267 | current subspace; we need to reset the fragment to the zero address | |
6268 | fragment. We also need to reset the segment pointer. */ | |
a0f75b47 | 6269 | symbol_set_frag (symbol, &zero_address_frag); |
252b5132 RH |
6270 | } |
6271 | demand_empty_rest_of_line (); | |
6272 | } | |
6273 | ||
6274 | /* Process a .END pseudo-op. */ | |
6275 | ||
6276 | static void | |
6277 | pa_end (unused) | |
6278 | int unused; | |
6279 | { | |
6280 | demand_empty_rest_of_line (); | |
6281 | } | |
6282 | ||
6283 | /* Process a .ENTER pseudo-op. This is not supported. */ | |
6284 | static void | |
6285 | pa_enter (unused) | |
6286 | int unused; | |
6287 | { | |
49863f82 | 6288 | #ifdef OBJ_SOM |
252b5132 RH |
6289 | /* We must have a valid space and subspace. */ |
6290 | pa_check_current_space_and_subspace (); | |
49863f82 | 6291 | #endif |
252b5132 RH |
6292 | |
6293 | as_bad (_("The .ENTER pseudo-op is not supported")); | |
6294 | demand_empty_rest_of_line (); | |
6295 | } | |
6296 | ||
6297 | /* Process a .ENTRY pseudo-op. .ENTRY marks the beginning of the | |
6298 | procesure. */ | |
6299 | static void | |
6300 | pa_entry (unused) | |
6301 | int unused; | |
6302 | { | |
49863f82 | 6303 | #ifdef OBJ_SOM |
252b5132 RH |
6304 | /* We must have a valid space and subspace. */ |
6305 | pa_check_current_space_and_subspace (); | |
49863f82 | 6306 | #endif |
252b5132 RH |
6307 | |
6308 | if (!within_procedure) | |
6309 | as_bad (_("Misplaced .entry. Ignored.")); | |
6310 | else | |
6311 | { | |
6312 | if (!callinfo_found) | |
6313 | as_bad (_("Missing .callinfo.")); | |
6314 | } | |
6315 | demand_empty_rest_of_line (); | |
6316 | within_entry_exit = TRUE; | |
6317 | ||
6318 | #ifdef OBJ_SOM | |
6319 | /* SOM defers building of unwind descriptors until the link phase. | |
6320 | The assembler is responsible for creating an R_ENTRY relocation | |
6321 | to mark the beginning of a region and hold the unwind bits, and | |
6322 | for creating an R_EXIT relocation to mark the end of the region. | |
6323 | ||
6324 | FIXME. ELF should be using the same conventions! The problem | |
6325 | is an unwind requires too much relocation space. Hmmm. Maybe | |
6326 | if we split the unwind bits up between the relocations which | |
6327 | denote the entry and exit points. */ | |
6328 | if (last_call_info->start_symbol != NULL) | |
6329 | { | |
6330 | char *where = frag_more (0); | |
6331 | ||
6332 | fix_new_hppa (frag_now, where - frag_now->fr_literal, 0, | |
6333 | NULL, (offsetT) 0, NULL, | |
6334 | 0, R_HPPA_ENTRY, e_fsel, 0, 0, | |
6335 | (int *) &last_call_info->ci_unwind.descriptor); | |
6336 | } | |
6337 | #endif | |
6338 | } | |
6339 | ||
6340 | /* Handle a .EQU pseudo-op. */ | |
6341 | ||
6342 | static void | |
6343 | pa_equ (reg) | |
6344 | int reg; | |
6345 | { | |
6346 | label_symbol_struct *label_symbol = pa_get_label (); | |
6347 | symbolS *symbol; | |
6348 | ||
6349 | if (label_symbol) | |
6350 | { | |
6351 | symbol = label_symbol->lss_label; | |
6352 | if (reg) | |
6353 | S_SET_VALUE (symbol, pa_parse_number (&input_line_pointer, 0)); | |
6354 | else | |
6355 | S_SET_VALUE (symbol, (unsigned int) get_absolute_expression ()); | |
6356 | S_SET_SEGMENT (symbol, bfd_abs_section_ptr); | |
6357 | } | |
6358 | else | |
6359 | { | |
6360 | if (reg) | |
6361 | as_bad (_(".REG must use a label")); | |
6362 | else | |
6363 | as_bad (_(".EQU must use a label")); | |
6364 | } | |
6365 | ||
6366 | pa_undefine_label (); | |
6367 | demand_empty_rest_of_line (); | |
6368 | } | |
6369 | ||
6370 | /* Helper function. Does processing for the end of a function. This | |
6371 | usually involves creating some relocations or building special | |
6372 | symbols to mark the end of the function. */ | |
6373 | ||
6374 | static void | |
6375 | process_exit () | |
6376 | { | |
6377 | char *where; | |
6378 | ||
6379 | where = frag_more (0); | |
6380 | ||
6381 | #ifdef OBJ_ELF | |
6382 | /* Mark the end of the function, stuff away the location of the frag | |
6383 | for the end of the function, and finally call pa_build_unwind_subspace | |
6384 | to add an entry in the unwind table. */ | |
6385 | hppa_elf_mark_end_of_function (); | |
6386 | pa_build_unwind_subspace (last_call_info); | |
6387 | #else | |
6388 | /* SOM defers building of unwind descriptors until the link phase. | |
6389 | The assembler is responsible for creating an R_ENTRY relocation | |
6390 | to mark the beginning of a region and hold the unwind bits, and | |
6391 | for creating an R_EXIT relocation to mark the end of the region. | |
6392 | ||
6393 | FIXME. ELF should be using the same conventions! The problem | |
6394 | is an unwind requires too much relocation space. Hmmm. Maybe | |
6395 | if we split the unwind bits up between the relocations which | |
6396 | denote the entry and exit points. */ | |
6397 | fix_new_hppa (frag_now, where - frag_now->fr_literal, 0, | |
6398 | NULL, (offsetT) 0, | |
6399 | NULL, 0, R_HPPA_EXIT, e_fsel, 0, 0, | |
6400 | (int *) &last_call_info->ci_unwind.descriptor + 1); | |
6401 | #endif | |
6402 | } | |
6403 | ||
6404 | /* Process a .EXIT pseudo-op. */ | |
6405 | ||
6406 | static void | |
6407 | pa_exit (unused) | |
6408 | int unused; | |
6409 | { | |
49863f82 | 6410 | #ifdef OBJ_SOM |
252b5132 RH |
6411 | /* We must have a valid space and subspace. */ |
6412 | pa_check_current_space_and_subspace (); | |
49863f82 | 6413 | #endif |
252b5132 RH |
6414 | |
6415 | if (!within_procedure) | |
6416 | as_bad (_(".EXIT must appear within a procedure")); | |
6417 | else | |
6418 | { | |
6419 | if (!callinfo_found) | |
6420 | as_bad (_("Missing .callinfo")); | |
6421 | else | |
6422 | { | |
6423 | if (!within_entry_exit) | |
6424 | as_bad (_("No .ENTRY for this .EXIT")); | |
6425 | else | |
6426 | { | |
6427 | within_entry_exit = FALSE; | |
6428 | process_exit (); | |
6429 | } | |
6430 | } | |
6431 | } | |
6432 | demand_empty_rest_of_line (); | |
6433 | } | |
6434 | ||
6435 | /* Process a .EXPORT directive. This makes functions external | |
6436 | and provides information such as argument relocation entries | |
6437 | to callers. */ | |
6438 | ||
6439 | static void | |
6440 | pa_export (unused) | |
6441 | int unused; | |
6442 | { | |
6443 | char *name, c, *p; | |
6444 | symbolS *symbol; | |
6445 | ||
6446 | name = input_line_pointer; | |
6447 | c = get_symbol_end (); | |
6448 | /* Make sure the given symbol exists. */ | |
6449 | if ((symbol = symbol_find_or_make (name)) == NULL) | |
6450 | { | |
6451 | as_bad (_("Cannot define export symbol: %s\n"), name); | |
6452 | p = input_line_pointer; | |
6453 | *p = c; | |
6454 | input_line_pointer++; | |
6455 | } | |
6456 | else | |
6457 | { | |
6458 | /* OK. Set the external bits and process argument relocations. */ | |
6459 | S_SET_EXTERNAL (symbol); | |
6460 | p = input_line_pointer; | |
6461 | *p = c; | |
6462 | if (!is_end_of_statement ()) | |
6463 | { | |
6464 | input_line_pointer++; | |
6465 | pa_type_args (symbol, 1); | |
6466 | } | |
6467 | } | |
6468 | ||
6469 | demand_empty_rest_of_line (); | |
6470 | } | |
6471 | ||
6472 | /* Helper function to process arguments to a .EXPORT pseudo-op. */ | |
6473 | ||
6474 | static void | |
6475 | pa_type_args (symbolP, is_export) | |
6476 | symbolS *symbolP; | |
6477 | int is_export; | |
6478 | { | |
6479 | char *name, c, *p; | |
6480 | unsigned int temp, arg_reloc; | |
6481 | pa_symbol_type type = SYMBOL_TYPE_UNKNOWN; | |
a0f75b47 | 6482 | obj_symbol_type *symbol = (obj_symbol_type *) symbol_get_bfdsym (symbolP); |
252b5132 RH |
6483 | |
6484 | if (strncasecmp (input_line_pointer, "absolute", 8) == 0) | |
6485 | ||
6486 | { | |
6487 | input_line_pointer += 8; | |
a0f75b47 | 6488 | symbol_get_bfdsym (symbolP)->flags &= ~BSF_FUNCTION; |
252b5132 RH |
6489 | S_SET_SEGMENT (symbolP, bfd_abs_section_ptr); |
6490 | type = SYMBOL_TYPE_ABSOLUTE; | |
6491 | } | |
6492 | else if (strncasecmp (input_line_pointer, "code", 4) == 0) | |
6493 | { | |
6494 | input_line_pointer += 4; | |
6495 | /* IMPORTing/EXPORTing CODE types for functions is meaningless for SOM, | |
6496 | instead one should be IMPORTing/EXPORTing ENTRY types. | |
6497 | ||
6498 | Complain if one tries to EXPORT a CODE type since that's never | |
6499 | done. Both GCC and HP C still try to IMPORT CODE types, so | |
6500 | silently fix them to be ENTRY types. */ | |
a0f75b47 | 6501 | if (S_IS_FUNCTION (symbolP)) |
252b5132 RH |
6502 | { |
6503 | if (is_export) | |
a0f75b47 ILT |
6504 | as_tsktsk (_("Using ENTRY rather than CODE in export directive for %s"), |
6505 | S_GET_NAME (symbolP)); | |
252b5132 | 6506 | |
a0f75b47 | 6507 | symbol_get_bfdsym (symbolP)->flags |= BSF_FUNCTION; |
252b5132 RH |
6508 | type = SYMBOL_TYPE_ENTRY; |
6509 | } | |
6510 | else | |
6511 | { | |
a0f75b47 | 6512 | symbol_get_bfdsym (symbolP)->flags &= ~BSF_FUNCTION; |
252b5132 RH |
6513 | type = SYMBOL_TYPE_CODE; |
6514 | } | |
6515 | } | |
6516 | else if (strncasecmp (input_line_pointer, "data", 4) == 0) | |
6517 | { | |
6518 | input_line_pointer += 4; | |
a0f75b47 | 6519 | symbol_get_bfdsym (symbolP)->flags &= ~BSF_FUNCTION; |
7acbfc6b | 6520 | symbol_get_bfdsym (symbolP)->flags |= BSF_OBJECT; |
252b5132 RH |
6521 | type = SYMBOL_TYPE_DATA; |
6522 | } | |
6523 | else if ((strncasecmp (input_line_pointer, "entry", 5) == 0)) | |
6524 | { | |
6525 | input_line_pointer += 5; | |
a0f75b47 | 6526 | symbol_get_bfdsym (symbolP)->flags |= BSF_FUNCTION; |
252b5132 RH |
6527 | type = SYMBOL_TYPE_ENTRY; |
6528 | } | |
6529 | else if (strncasecmp (input_line_pointer, "millicode", 9) == 0) | |
6530 | { | |
6531 | input_line_pointer += 9; | |
a0f75b47 | 6532 | symbol_get_bfdsym (symbolP)->flags |= BSF_FUNCTION; |
252b5132 RH |
6533 | type = SYMBOL_TYPE_MILLICODE; |
6534 | } | |
6535 | else if (strncasecmp (input_line_pointer, "plabel", 6) == 0) | |
6536 | { | |
6537 | input_line_pointer += 6; | |
a0f75b47 | 6538 | symbol_get_bfdsym (symbolP)->flags &= ~BSF_FUNCTION; |
252b5132 RH |
6539 | type = SYMBOL_TYPE_PLABEL; |
6540 | } | |
6541 | else if (strncasecmp (input_line_pointer, "pri_prog", 8) == 0) | |
6542 | { | |
6543 | input_line_pointer += 8; | |
a0f75b47 | 6544 | symbol_get_bfdsym (symbolP)->flags |= BSF_FUNCTION; |
252b5132 RH |
6545 | type = SYMBOL_TYPE_PRI_PROG; |
6546 | } | |
6547 | else if (strncasecmp (input_line_pointer, "sec_prog", 8) == 0) | |
6548 | { | |
6549 | input_line_pointer += 8; | |
a0f75b47 | 6550 | symbol_get_bfdsym (symbolP)->flags |= BSF_FUNCTION; |
252b5132 RH |
6551 | type = SYMBOL_TYPE_SEC_PROG; |
6552 | } | |
6553 | ||
6554 | /* SOM requires much more information about symbol types | |
6555 | than BFD understands. This is how we get this information | |
6556 | to the SOM BFD backend. */ | |
6557 | #ifdef obj_set_symbol_type | |
a0f75b47 | 6558 | obj_set_symbol_type (symbol_get_bfdsym (symbolP), (int) type); |
252b5132 RH |
6559 | #endif |
6560 | ||
6561 | /* Now that the type of the exported symbol has been handled, | |
6562 | handle any argument relocation information. */ | |
6563 | while (!is_end_of_statement ()) | |
6564 | { | |
6565 | if (*input_line_pointer == ',') | |
6566 | input_line_pointer++; | |
6567 | name = input_line_pointer; | |
6568 | c = get_symbol_end (); | |
6569 | /* Argument sources. */ | |
6570 | if ((strncasecmp (name, "argw", 4) == 0)) | |
6571 | { | |
6572 | p = input_line_pointer; | |
6573 | *p = c; | |
6574 | input_line_pointer++; | |
6575 | temp = atoi (name + 4); | |
6576 | name = input_line_pointer; | |
6577 | c = get_symbol_end (); | |
6578 | arg_reloc = pa_align_arg_reloc (temp, pa_build_arg_reloc (name)); | |
49863f82 | 6579 | #ifdef OBJ_SOM |
252b5132 | 6580 | symbol->tc_data.ap.hppa_arg_reloc |= arg_reloc; |
49863f82 | 6581 | #endif |
252b5132 RH |
6582 | *input_line_pointer = c; |
6583 | } | |
6584 | /* The return value. */ | |
6585 | else if ((strncasecmp (name, "rtnval", 6)) == 0) | |
6586 | { | |
6587 | p = input_line_pointer; | |
6588 | *p = c; | |
6589 | input_line_pointer++; | |
6590 | name = input_line_pointer; | |
6591 | c = get_symbol_end (); | |
6592 | arg_reloc = pa_build_arg_reloc (name); | |
49863f82 | 6593 | #ifdef OBJ_SOM |
252b5132 | 6594 | symbol->tc_data.ap.hppa_arg_reloc |= arg_reloc; |
49863f82 | 6595 | #endif |
252b5132 RH |
6596 | *input_line_pointer = c; |
6597 | } | |
6598 | /* Privelege level. */ | |
6599 | else if ((strncasecmp (name, "priv_lev", 8)) == 0) | |
6600 | { | |
6601 | p = input_line_pointer; | |
6602 | *p = c; | |
6603 | input_line_pointer++; | |
6604 | temp = atoi (input_line_pointer); | |
49863f82 | 6605 | #ifdef OBJ_SOM |
252b5132 | 6606 | symbol->tc_data.ap.hppa_priv_level = temp; |
49863f82 | 6607 | #endif |
252b5132 RH |
6608 | c = get_symbol_end (); |
6609 | *input_line_pointer = c; | |
6610 | } | |
6611 | else | |
6612 | { | |
6613 | as_bad (_("Undefined .EXPORT/.IMPORT argument (ignored): %s"), name); | |
6614 | p = input_line_pointer; | |
6615 | *p = c; | |
6616 | } | |
6617 | if (!is_end_of_statement ()) | |
6618 | input_line_pointer++; | |
6619 | } | |
6620 | } | |
6621 | ||
6622 | /* Handle an .IMPORT pseudo-op. Any symbol referenced in a given | |
6623 | assembly file must either be defined in the assembly file, or | |
6624 | explicitly IMPORTED from another. */ | |
6625 | ||
6626 | static void | |
6627 | pa_import (unused) | |
6628 | int unused; | |
6629 | { | |
6630 | char *name, c, *p; | |
6631 | symbolS *symbol; | |
6632 | ||
6633 | name = input_line_pointer; | |
6634 | c = get_symbol_end (); | |
6635 | ||
6636 | symbol = symbol_find (name); | |
6637 | /* Ugh. We might be importing a symbol defined earlier in the file, | |
6638 | in which case all the code below will really screw things up | |
6639 | (set the wrong segment, symbol flags & type, etc). */ | |
6640 | if (symbol == NULL || !S_IS_DEFINED (symbol)) | |
6641 | { | |
6642 | symbol = symbol_find_or_make (name); | |
6643 | p = input_line_pointer; | |
6644 | *p = c; | |
6645 | ||
6646 | if (!is_end_of_statement ()) | |
6647 | { | |
6648 | input_line_pointer++; | |
6649 | pa_type_args (symbol, 0); | |
6650 | } | |
6651 | else | |
6652 | { | |
6653 | /* Sigh. To be compatable with the HP assembler and to help | |
6654 | poorly written assembly code, we assign a type based on | |
6655 | the the current segment. Note only BSF_FUNCTION really | |
6656 | matters, we do not need to set the full SYMBOL_TYPE_* info. */ | |
6657 | if (now_seg == text_section) | |
a0f75b47 | 6658 | symbol_get_bfdsym (symbol)->flags |= BSF_FUNCTION; |
252b5132 RH |
6659 | |
6660 | /* If the section is undefined, then the symbol is undefined | |
6661 | Since this is an import, leave the section undefined. */ | |
6662 | S_SET_SEGMENT (symbol, bfd_und_section_ptr); | |
6663 | } | |
6664 | } | |
6665 | else | |
6666 | { | |
6667 | /* The symbol was already defined. Just eat everything up to | |
6668 | the end of the current statement. */ | |
6669 | while (!is_end_of_statement ()) | |
6670 | input_line_pointer++; | |
6671 | } | |
6672 | ||
6673 | demand_empty_rest_of_line (); | |
6674 | } | |
6675 | ||
6676 | /* Handle a .LABEL pseudo-op. */ | |
6677 | ||
6678 | static void | |
6679 | pa_label (unused) | |
6680 | int unused; | |
6681 | { | |
6682 | char *name, c, *p; | |
6683 | ||
6684 | name = input_line_pointer; | |
6685 | c = get_symbol_end (); | |
6686 | ||
6687 | if (strlen (name) > 0) | |
6688 | { | |
6689 | colon (name); | |
6690 | p = input_line_pointer; | |
6691 | *p = c; | |
6692 | } | |
6693 | else | |
6694 | { | |
6695 | as_warn (_("Missing label name on .LABEL")); | |
6696 | } | |
6697 | ||
6698 | if (!is_end_of_statement ()) | |
6699 | { | |
6700 | as_warn (_("extra .LABEL arguments ignored.")); | |
6701 | ignore_rest_of_line (); | |
6702 | } | |
6703 | demand_empty_rest_of_line (); | |
6704 | } | |
6705 | ||
6706 | /* Handle a .LEAVE pseudo-op. This is not supported yet. */ | |
6707 | ||
6708 | static void | |
6709 | pa_leave (unused) | |
6710 | int unused; | |
6711 | { | |
49863f82 | 6712 | #ifdef OBJ_SOM |
252b5132 RH |
6713 | /* We must have a valid space and subspace. */ |
6714 | pa_check_current_space_and_subspace (); | |
49863f82 | 6715 | #endif |
252b5132 RH |
6716 | |
6717 | as_bad (_("The .LEAVE pseudo-op is not supported")); | |
6718 | demand_empty_rest_of_line (); | |
6719 | } | |
6720 | ||
6721 | /* Handle a .LEVEL pseudo-op. */ | |
6722 | ||
6723 | static void | |
6724 | pa_level (unused) | |
6725 | int unused; | |
6726 | { | |
6727 | char *level; | |
6728 | ||
6729 | level = input_line_pointer; | |
6730 | if (strncmp (level, "1.0", 3) == 0) | |
6731 | { | |
6732 | input_line_pointer += 3; | |
6733 | if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, 10)) | |
6734 | as_warn (_("could not set architecture and machine")); | |
6735 | } | |
6736 | else if (strncmp (level, "1.1", 3) == 0) | |
6737 | { | |
6738 | input_line_pointer += 3; | |
6739 | if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, 11)) | |
6740 | as_warn (_("could not set architecture and machine")); | |
6741 | } | |
46031ca9 JL |
6742 | else if (strncmp (level, "2.0w", 4) == 0) |
6743 | { | |
6744 | input_line_pointer += 4; | |
6745 | if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, 25)) | |
6746 | as_warn (_("could not set architecture and machine")); | |
6747 | } | |
252b5132 RH |
6748 | else if (strncmp (level, "2.0", 3) == 0) |
6749 | { | |
6750 | input_line_pointer += 3; | |
6751 | if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, 20)) | |
6752 | as_warn (_("could not set architecture and machine")); | |
6753 | } | |
6754 | else | |
6755 | { | |
6756 | as_bad (_("Unrecognized .LEVEL argument\n")); | |
6757 | ignore_rest_of_line (); | |
6758 | } | |
6759 | demand_empty_rest_of_line (); | |
6760 | } | |
6761 | ||
6762 | /* Handle a .ORIGIN pseudo-op. */ | |
6763 | ||
6764 | static void | |
6765 | pa_origin (unused) | |
6766 | int unused; | |
6767 | { | |
49863f82 | 6768 | #ifdef OBJ_SOM |
252b5132 RH |
6769 | /* We must have a valid space and subspace. */ |
6770 | pa_check_current_space_and_subspace (); | |
49863f82 | 6771 | #endif |
252b5132 RH |
6772 | |
6773 | s_org (0); | |
6774 | pa_undefine_label (); | |
6775 | } | |
6776 | ||
6777 | /* Handle a .PARAM pseudo-op. This is much like a .EXPORT, except it | |
6778 | is for static functions. FIXME. Should share more code with .EXPORT. */ | |
6779 | ||
6780 | static void | |
6781 | pa_param (unused) | |
6782 | int unused; | |
6783 | { | |
6784 | char *name, c, *p; | |
6785 | symbolS *symbol; | |
6786 | ||
6787 | name = input_line_pointer; | |
6788 | c = get_symbol_end (); | |
6789 | ||
6790 | if ((symbol = symbol_find_or_make (name)) == NULL) | |
6791 | { | |
6792 | as_bad (_("Cannot define static symbol: %s\n"), name); | |
6793 | p = input_line_pointer; | |
6794 | *p = c; | |
6795 | input_line_pointer++; | |
6796 | } | |
6797 | else | |
6798 | { | |
6799 | S_CLEAR_EXTERNAL (symbol); | |
6800 | p = input_line_pointer; | |
6801 | *p = c; | |
6802 | if (!is_end_of_statement ()) | |
6803 | { | |
6804 | input_line_pointer++; | |
6805 | pa_type_args (symbol, 0); | |
6806 | } | |
6807 | } | |
6808 | ||
6809 | demand_empty_rest_of_line (); | |
6810 | } | |
6811 | ||
6812 | /* Handle a .PROC pseudo-op. It is used to mark the beginning | |
6813 | of a procedure from a syntatical point of view. */ | |
6814 | ||
6815 | static void | |
6816 | pa_proc (unused) | |
6817 | int unused; | |
6818 | { | |
6819 | struct call_info *call_info; | |
6820 | ||
49863f82 | 6821 | #ifdef OBJ_SOM |
252b5132 RH |
6822 | /* We must have a valid space and subspace. */ |
6823 | pa_check_current_space_and_subspace (); | |
49863f82 | 6824 | #endif |
252b5132 RH |
6825 | |
6826 | if (within_procedure) | |
6827 | as_fatal (_("Nested procedures")); | |
6828 | ||
6829 | /* Reset global variables for new procedure. */ | |
6830 | callinfo_found = FALSE; | |
6831 | within_procedure = TRUE; | |
6832 | ||
6833 | /* Create another call_info structure. */ | |
6834 | call_info = (struct call_info *) xmalloc (sizeof (struct call_info)); | |
6835 | ||
6836 | if (!call_info) | |
6837 | as_fatal (_("Cannot allocate unwind descriptor\n")); | |
6838 | ||
6839 | memset (call_info, 0, sizeof (struct call_info)); | |
6840 | ||
6841 | call_info->ci_next = NULL; | |
6842 | ||
6843 | if (call_info_root == NULL) | |
6844 | { | |
6845 | call_info_root = call_info; | |
6846 | last_call_info = call_info; | |
6847 | } | |
6848 | else | |
6849 | { | |
6850 | last_call_info->ci_next = call_info; | |
6851 | last_call_info = call_info; | |
6852 | } | |
6853 | ||
6854 | /* set up defaults on call_info structure */ | |
6855 | ||
6856 | call_info->ci_unwind.descriptor.cannot_unwind = 0; | |
6857 | call_info->ci_unwind.descriptor.region_desc = 1; | |
6858 | call_info->ci_unwind.descriptor.hpux_interrupt_marker = 0; | |
6859 | ||
6860 | /* If we got a .PROC pseudo-op, we know that the function is defined | |
6861 | locally. Make sure it gets into the symbol table. */ | |
6862 | { | |
6863 | label_symbol_struct *label_symbol = pa_get_label (); | |
6864 | ||
6865 | if (label_symbol) | |
6866 | { | |
6867 | if (label_symbol->lss_label) | |
6868 | { | |
6869 | last_call_info->start_symbol = label_symbol->lss_label; | |
a0f75b47 | 6870 | symbol_get_bfdsym (label_symbol->lss_label)->flags |= BSF_FUNCTION; |
252b5132 RH |
6871 | } |
6872 | else | |
6873 | as_bad (_("Missing function name for .PROC (corrupted label chain)")); | |
6874 | } | |
6875 | else | |
6876 | last_call_info->start_symbol = NULL; | |
6877 | } | |
6878 | ||
6879 | demand_empty_rest_of_line (); | |
6880 | } | |
6881 | ||
6882 | /* Process the syntatical end of a procedure. Make sure all the | |
6883 | appropriate pseudo-ops were found within the procedure. */ | |
6884 | ||
6885 | static void | |
6886 | pa_procend (unused) | |
6887 | int unused; | |
6888 | { | |
6889 | ||
49863f82 | 6890 | #ifdef OBJ_SOM |
252b5132 RH |
6891 | /* We must have a valid space and subspace. */ |
6892 | pa_check_current_space_and_subspace (); | |
49863f82 | 6893 | #endif |
252b5132 RH |
6894 | |
6895 | /* If we are within a procedure definition, make sure we've | |
6896 | defined a label for the procedure; handle case where the | |
6897 | label was defined after the .PROC directive. | |
6898 | ||
6899 | Note there's not need to diddle with the segment or fragment | |
6900 | for the label symbol in this case. We have already switched | |
6901 | into the new $CODE$ subspace at this point. */ | |
6902 | if (within_procedure && last_call_info->start_symbol == NULL) | |
6903 | { | |
6904 | label_symbol_struct *label_symbol = pa_get_label (); | |
6905 | ||
6906 | if (label_symbol) | |
6907 | { | |
6908 | if (label_symbol->lss_label) | |
6909 | { | |
6910 | last_call_info->start_symbol = label_symbol->lss_label; | |
a0f75b47 ILT |
6911 | symbol_get_bfdsym (label_symbol->lss_label)->flags |
6912 | |= BSF_FUNCTION; | |
252b5132 RH |
6913 | #ifdef OBJ_SOM |
6914 | /* Also handle allocation of a fixup to hold the unwind | |
6915 | information when the label appears after the proc/procend. */ | |
6916 | if (within_entry_exit) | |
6917 | { | |
6918 | char *where = frag_more (0); | |
6919 | ||
6920 | fix_new_hppa (frag_now, where - frag_now->fr_literal, 0, | |
6921 | NULL, (offsetT) 0, NULL, | |
6922 | 0, R_HPPA_ENTRY, e_fsel, 0, 0, | |
6923 | (int *) &last_call_info->ci_unwind.descriptor); | |
6924 | } | |
6925 | #endif | |
6926 | } | |
6927 | else | |
6928 | as_bad (_("Missing function name for .PROC (corrupted label chain)")); | |
6929 | } | |
6930 | else | |
6931 | as_bad (_("Missing function name for .PROC")); | |
6932 | } | |
6933 | ||
6934 | if (!within_procedure) | |
6935 | as_bad (_("misplaced .procend")); | |
6936 | ||
6937 | if (!callinfo_found) | |
6938 | as_bad (_("Missing .callinfo for this procedure")); | |
6939 | ||
6940 | if (within_entry_exit) | |
6941 | as_bad (_("Missing .EXIT for a .ENTRY")); | |
6942 | ||
6943 | #ifdef OBJ_ELF | |
6944 | /* ELF needs to mark the end of each function so that it can compute | |
6945 | the size of the function (apparently its needed in the symbol table). */ | |
6946 | hppa_elf_mark_end_of_function (); | |
6947 | #endif | |
6948 | ||
6949 | within_procedure = FALSE; | |
6950 | demand_empty_rest_of_line (); | |
6951 | pa_undefine_label (); | |
6952 | } | |
6953 | ||
49863f82 JL |
6954 | /* If VALUE is an exact power of two between zero and 2^31, then |
6955 | return log2 (VALUE). Else return -1. */ | |
6956 | ||
6957 | static int | |
6958 | log2 (value) | |
6959 | int value; | |
6960 | { | |
6961 | int shift = 0; | |
6962 | ||
6963 | while ((1 << shift) != value && shift < 32) | |
6964 | shift++; | |
6965 | ||
6966 | if (shift >= 32) | |
6967 | return -1; | |
6968 | else | |
6969 | return shift; | |
6970 | } | |
6971 | ||
6972 | ||
6973 | #ifdef OBJ_SOM | |
6974 | /* Check to make sure we have a valid space and subspace. */ | |
6975 | ||
6976 | static void | |
6977 | pa_check_current_space_and_subspace () | |
6978 | { | |
6979 | if (current_space == NULL) | |
6980 | as_fatal (_("Not in a space.\n")); | |
6981 | ||
6982 | if (current_subspace == NULL) | |
6983 | as_fatal (_("Not in a subspace.\n")); | |
6984 | } | |
6985 | ||
252b5132 RH |
6986 | /* Parse the parameters to a .SPACE directive; if CREATE_FLAG is nonzero, |
6987 | then create a new space entry to hold the information specified | |
6988 | by the parameters to the .SPACE directive. */ | |
6989 | ||
6990 | static sd_chain_struct * | |
6991 | pa_parse_space_stmt (space_name, create_flag) | |
6992 | char *space_name; | |
6993 | int create_flag; | |
6994 | { | |
6995 | char *name, *ptemp, c; | |
6996 | char loadable, defined, private, sort; | |
6997 | int spnum, temp; | |
6998 | asection *seg = NULL; | |
6999 | sd_chain_struct *space; | |
7000 | ||
7001 | /* load default values */ | |
7002 | spnum = 0; | |
7003 | sort = 0; | |
7004 | loadable = TRUE; | |
7005 | defined = TRUE; | |
7006 | private = FALSE; | |
7007 | if (strcmp (space_name, "$TEXT$") == 0) | |
7008 | { | |
7009 | seg = pa_def_spaces[0].segment; | |
7010 | defined = pa_def_spaces[0].defined; | |
7011 | private = pa_def_spaces[0].private; | |
7012 | sort = pa_def_spaces[0].sort; | |
7013 | spnum = pa_def_spaces[0].spnum; | |
7014 | } | |
7015 | else if (strcmp (space_name, "$PRIVATE$") == 0) | |
7016 | { | |
7017 | seg = pa_def_spaces[1].segment; | |
7018 | defined = pa_def_spaces[1].defined; | |
7019 | private = pa_def_spaces[1].private; | |
7020 | sort = pa_def_spaces[1].sort; | |
7021 | spnum = pa_def_spaces[1].spnum; | |
7022 | } | |
7023 | ||
7024 | if (!is_end_of_statement ()) | |
7025 | { | |
7026 | print_errors = FALSE; | |
7027 | ptemp = input_line_pointer + 1; | |
7028 | /* First see if the space was specified as a number rather than | |
7029 | as a name. According to the PA assembly manual the rest of | |
7030 | the line should be ignored. */ | |
7031 | temp = pa_parse_number (&ptemp, 0); | |
7032 | if (temp >= 0) | |
7033 | { | |
7034 | spnum = temp; | |
7035 | input_line_pointer = ptemp; | |
7036 | } | |
7037 | else | |
7038 | { | |
7039 | while (!is_end_of_statement ()) | |
7040 | { | |
7041 | input_line_pointer++; | |
7042 | name = input_line_pointer; | |
7043 | c = get_symbol_end (); | |
7044 | if ((strncasecmp (name, "spnum", 5) == 0)) | |
7045 | { | |
7046 | *input_line_pointer = c; | |
7047 | input_line_pointer++; | |
7048 | spnum = get_absolute_expression (); | |
7049 | } | |
7050 | else if ((strncasecmp (name, "sort", 4) == 0)) | |
7051 | { | |
7052 | *input_line_pointer = c; | |
7053 | input_line_pointer++; | |
7054 | sort = get_absolute_expression (); | |
7055 | } | |
7056 | else if ((strncasecmp (name, "unloadable", 10) == 0)) | |
7057 | { | |
7058 | *input_line_pointer = c; | |
7059 | loadable = FALSE; | |
7060 | } | |
7061 | else if ((strncasecmp (name, "notdefined", 10) == 0)) | |
7062 | { | |
7063 | *input_line_pointer = c; | |
7064 | defined = FALSE; | |
7065 | } | |
7066 | else if ((strncasecmp (name, "private", 7) == 0)) | |
7067 | { | |
7068 | *input_line_pointer = c; | |
7069 | private = TRUE; | |
7070 | } | |
7071 | else | |
7072 | { | |
7073 | as_bad (_("Invalid .SPACE argument")); | |
7074 | *input_line_pointer = c; | |
7075 | if (!is_end_of_statement ()) | |
7076 | input_line_pointer++; | |
7077 | } | |
7078 | } | |
7079 | } | |
7080 | print_errors = TRUE; | |
7081 | } | |
7082 | ||
7083 | if (create_flag && seg == NULL) | |
7084 | seg = subseg_new (space_name, 0); | |
7085 | ||
7086 | /* If create_flag is nonzero, then create the new space with | |
7087 | the attributes computed above. Else set the values in | |
7088 | an already existing space -- this can only happen for | |
7089 | the first occurence of a built-in space. */ | |
7090 | if (create_flag) | |
7091 | space = create_new_space (space_name, spnum, loadable, defined, | |
7092 | private, sort, seg, 1); | |
7093 | else | |
7094 | { | |
7095 | space = is_defined_space (space_name); | |
7096 | SPACE_SPNUM (space) = spnum; | |
7097 | SPACE_DEFINED (space) = defined & 1; | |
7098 | SPACE_USER_DEFINED (space) = 1; | |
7099 | } | |
7100 | ||
7101 | #ifdef obj_set_section_attributes | |
7102 | obj_set_section_attributes (seg, defined, private, sort, spnum); | |
7103 | #endif | |
7104 | ||
7105 | return space; | |
7106 | } | |
7107 | ||
7108 | /* Handle a .SPACE pseudo-op; this switches the current space to the | |
7109 | given space, creating the new space if necessary. */ | |
7110 | ||
7111 | static void | |
7112 | pa_space (unused) | |
7113 | int unused; | |
7114 | { | |
7115 | char *name, c, *space_name, *save_s; | |
7116 | int temp; | |
7117 | sd_chain_struct *sd_chain; | |
7118 | ||
7119 | if (within_procedure) | |
7120 | { | |
7121 | as_bad (_("Can\'t change spaces within a procedure definition. Ignored")); | |
7122 | ignore_rest_of_line (); | |
7123 | } | |
7124 | else | |
7125 | { | |
7126 | /* Check for some of the predefined spaces. FIXME: most of the code | |
7127 | below is repeated several times, can we extract the common parts | |
7128 | and place them into a subroutine or something similar? */ | |
7129 | /* FIXME Is this (and the next IF stmt) really right? | |
7130 | What if INPUT_LINE_POINTER points to "$TEXT$FOO"? */ | |
7131 | if (strncmp (input_line_pointer, "$TEXT$", 6) == 0) | |
7132 | { | |
7133 | input_line_pointer += 6; | |
7134 | sd_chain = is_defined_space ("$TEXT$"); | |
7135 | if (sd_chain == NULL) | |
7136 | sd_chain = pa_parse_space_stmt ("$TEXT$", 1); | |
7137 | else if (SPACE_USER_DEFINED (sd_chain) == 0) | |
7138 | sd_chain = pa_parse_space_stmt ("$TEXT$", 0); | |
7139 | ||
7140 | current_space = sd_chain; | |
7141 | subseg_set (text_section, sd_chain->sd_last_subseg); | |
7142 | current_subspace | |
7143 | = pa_subsegment_to_subspace (text_section, | |
7144 | sd_chain->sd_last_subseg); | |
7145 | demand_empty_rest_of_line (); | |
7146 | return; | |
7147 | } | |
7148 | if (strncmp (input_line_pointer, "$PRIVATE$", 9) == 0) | |
7149 | { | |
7150 | input_line_pointer += 9; | |
7151 | sd_chain = is_defined_space ("$PRIVATE$"); | |
7152 | if (sd_chain == NULL) | |
7153 | sd_chain = pa_parse_space_stmt ("$PRIVATE$", 1); | |
7154 | else if (SPACE_USER_DEFINED (sd_chain) == 0) | |
7155 | sd_chain = pa_parse_space_stmt ("$PRIVATE$", 0); | |
7156 | ||
7157 | current_space = sd_chain; | |
7158 | subseg_set (data_section, sd_chain->sd_last_subseg); | |
7159 | current_subspace | |
7160 | = pa_subsegment_to_subspace (data_section, | |
7161 | sd_chain->sd_last_subseg); | |
7162 | demand_empty_rest_of_line (); | |
7163 | return; | |
7164 | } | |
7165 | if (!strncasecmp (input_line_pointer, | |
7166 | GDB_DEBUG_SPACE_NAME, | |
7167 | strlen (GDB_DEBUG_SPACE_NAME))) | |
7168 | { | |
7169 | input_line_pointer += strlen (GDB_DEBUG_SPACE_NAME); | |
7170 | sd_chain = is_defined_space (GDB_DEBUG_SPACE_NAME); | |
7171 | if (sd_chain == NULL) | |
7172 | sd_chain = pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME, 1); | |
7173 | else if (SPACE_USER_DEFINED (sd_chain) == 0) | |
7174 | sd_chain = pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME, 0); | |
7175 | ||
7176 | current_space = sd_chain; | |
7177 | ||
7178 | { | |
7179 | asection *gdb_section | |
7180 | = bfd_make_section_old_way (stdoutput, GDB_DEBUG_SPACE_NAME); | |
7181 | ||
7182 | subseg_set (gdb_section, sd_chain->sd_last_subseg); | |
7183 | current_subspace | |
7184 | = pa_subsegment_to_subspace (gdb_section, | |
7185 | sd_chain->sd_last_subseg); | |
7186 | } | |
7187 | demand_empty_rest_of_line (); | |
7188 | return; | |
7189 | } | |
7190 | ||
7191 | /* It could be a space specified by number. */ | |
7192 | print_errors = 0; | |
7193 | save_s = input_line_pointer; | |
7194 | if ((temp = pa_parse_number (&input_line_pointer, 0)) >= 0) | |
7195 | { | |
7196 | if ((sd_chain = pa_find_space_by_number (temp))) | |
7197 | { | |
7198 | current_space = sd_chain; | |
7199 | ||
7200 | subseg_set (sd_chain->sd_seg, sd_chain->sd_last_subseg); | |
7201 | current_subspace | |
7202 | = pa_subsegment_to_subspace (sd_chain->sd_seg, | |
7203 | sd_chain->sd_last_subseg); | |
7204 | demand_empty_rest_of_line (); | |
7205 | return; | |
7206 | } | |
7207 | } | |
7208 | ||
7209 | /* Not a number, attempt to create a new space. */ | |
7210 | print_errors = 1; | |
7211 | input_line_pointer = save_s; | |
7212 | name = input_line_pointer; | |
7213 | c = get_symbol_end (); | |
7214 | space_name = xmalloc (strlen (name) + 1); | |
7215 | strcpy (space_name, name); | |
7216 | *input_line_pointer = c; | |
7217 | ||
7218 | sd_chain = pa_parse_space_stmt (space_name, 1); | |
7219 | current_space = sd_chain; | |
7220 | ||
7221 | subseg_set (sd_chain->sd_seg, sd_chain->sd_last_subseg); | |
7222 | current_subspace = pa_subsegment_to_subspace (sd_chain->sd_seg, | |
7223 | sd_chain->sd_last_subseg); | |
7224 | demand_empty_rest_of_line (); | |
7225 | } | |
7226 | } | |
7227 | ||
7228 | /* Switch to a new space. (I think). FIXME. */ | |
7229 | ||
7230 | static void | |
7231 | pa_spnum (unused) | |
7232 | int unused; | |
7233 | { | |
7234 | char *name; | |
7235 | char c; | |
7236 | char *p; | |
7237 | sd_chain_struct *space; | |
7238 | ||
7239 | name = input_line_pointer; | |
7240 | c = get_symbol_end (); | |
7241 | space = is_defined_space (name); | |
7242 | if (space) | |
7243 | { | |
7244 | p = frag_more (4); | |
7245 | md_number_to_chars (p, SPACE_SPNUM (space), 4); | |
7246 | } | |
7247 | else | |
7248 | as_warn (_("Undefined space: '%s' Assuming space number = 0."), name); | |
7249 | ||
7250 | *input_line_pointer = c; | |
7251 | demand_empty_rest_of_line (); | |
7252 | } | |
7253 | ||
252b5132 RH |
7254 | /* Handle a .SUBSPACE pseudo-op; this switches the current subspace to the |
7255 | given subspace, creating the new subspace if necessary. | |
7256 | ||
7257 | FIXME. Should mirror pa_space more closely, in particular how | |
7258 | they're broken up into subroutines. */ | |
7259 | ||
7260 | static void | |
7261 | pa_subspace (create_new) | |
7262 | int create_new; | |
7263 | { | |
49863f82 | 7264 | char *name, *ss_name, c; |
252b5132 RH |
7265 | char loadable, code_only, common, dup_common, zero, sort; |
7266 | int i, access, space_index, alignment, quadrant, applicable, flags; | |
7267 | sd_chain_struct *space; | |
7268 | ssd_chain_struct *ssd; | |
7269 | asection *section; | |
7270 | ||
7271 | if (current_space == NULL) | |
7272 | as_fatal (_("Must be in a space before changing or declaring subspaces.\n")); | |
7273 | ||
7274 | if (within_procedure) | |
7275 | { | |
7276 | as_bad (_("Can\'t change subspaces within a procedure definition. Ignored")); | |
7277 | ignore_rest_of_line (); | |
7278 | } | |
7279 | else | |
7280 | { | |
7281 | name = input_line_pointer; | |
7282 | c = get_symbol_end (); | |
7283 | ss_name = xmalloc (strlen (name) + 1); | |
7284 | strcpy (ss_name, name); | |
7285 | *input_line_pointer = c; | |
7286 | ||
7287 | /* Load default values. */ | |
7288 | sort = 0; | |
7289 | access = 0x7f; | |
7290 | loadable = 1; | |
7291 | common = 0; | |
7292 | dup_common = 0; | |
7293 | code_only = 0; | |
7294 | zero = 0; | |
7295 | space_index = ~0; | |
7296 | alignment = 1; | |
7297 | quadrant = 0; | |
252b5132 RH |
7298 | |
7299 | space = current_space; | |
7300 | if (create_new) | |
7301 | ssd = NULL; | |
7302 | else | |
7303 | ssd = is_defined_subspace (ss_name); | |
7304 | /* Allow user to override the builtin attributes of subspaces. But | |
7305 | only allow the attributes to be changed once! */ | |
7306 | if (ssd && SUBSPACE_DEFINED (ssd)) | |
7307 | { | |
7308 | subseg_set (ssd->ssd_seg, ssd->ssd_subseg); | |
7309 | current_subspace = ssd; | |
7310 | if (!is_end_of_statement ()) | |
7311 | as_warn (_("Parameters of an existing subspace can\'t be modified")); | |
7312 | demand_empty_rest_of_line (); | |
7313 | return; | |
7314 | } | |
7315 | else | |
7316 | { | |
7317 | /* A new subspace. Load default values if it matches one of | |
7318 | the builtin subspaces. */ | |
7319 | i = 0; | |
7320 | while (pa_def_subspaces[i].name) | |
7321 | { | |
7322 | if (strcasecmp (pa_def_subspaces[i].name, ss_name) == 0) | |
7323 | { | |
7324 | loadable = pa_def_subspaces[i].loadable; | |
7325 | common = pa_def_subspaces[i].common; | |
7326 | dup_common = pa_def_subspaces[i].dup_common; | |
7327 | code_only = pa_def_subspaces[i].code_only; | |
7328 | zero = pa_def_subspaces[i].zero; | |
7329 | space_index = pa_def_subspaces[i].space_index; | |
7330 | alignment = pa_def_subspaces[i].alignment; | |
7331 | quadrant = pa_def_subspaces[i].quadrant; | |
7332 | access = pa_def_subspaces[i].access; | |
7333 | sort = pa_def_subspaces[i].sort; | |
252b5132 RH |
7334 | break; |
7335 | } | |
7336 | i++; | |
7337 | } | |
7338 | } | |
7339 | ||
7340 | /* We should be working with a new subspace now. Fill in | |
7341 | any information as specified by the user. */ | |
7342 | if (!is_end_of_statement ()) | |
7343 | { | |
7344 | input_line_pointer++; | |
7345 | while (!is_end_of_statement ()) | |
7346 | { | |
7347 | name = input_line_pointer; | |
7348 | c = get_symbol_end (); | |
7349 | if ((strncasecmp (name, "quad", 4) == 0)) | |
7350 | { | |
7351 | *input_line_pointer = c; | |
7352 | input_line_pointer++; | |
7353 | quadrant = get_absolute_expression (); | |
7354 | } | |
7355 | else if ((strncasecmp (name, "align", 5) == 0)) | |
7356 | { | |
7357 | *input_line_pointer = c; | |
7358 | input_line_pointer++; | |
7359 | alignment = get_absolute_expression (); | |
7360 | if (log2 (alignment) == -1) | |
7361 | { | |
7362 | as_bad (_("Alignment must be a power of 2")); | |
7363 | alignment = 1; | |
7364 | } | |
7365 | } | |
7366 | else if ((strncasecmp (name, "access", 6) == 0)) | |
7367 | { | |
7368 | *input_line_pointer = c; | |
7369 | input_line_pointer++; | |
7370 | access = get_absolute_expression (); | |
7371 | } | |
7372 | else if ((strncasecmp (name, "sort", 4) == 0)) | |
7373 | { | |
7374 | *input_line_pointer = c; | |
7375 | input_line_pointer++; | |
7376 | sort = get_absolute_expression (); | |
7377 | } | |
7378 | else if ((strncasecmp (name, "code_only", 9) == 0)) | |
7379 | { | |
7380 | *input_line_pointer = c; | |
7381 | code_only = 1; | |
7382 | } | |
7383 | else if ((strncasecmp (name, "unloadable", 10) == 0)) | |
7384 | { | |
7385 | *input_line_pointer = c; | |
7386 | loadable = 0; | |
7387 | } | |
7388 | else if ((strncasecmp (name, "common", 6) == 0)) | |
7389 | { | |
7390 | *input_line_pointer = c; | |
7391 | common = 1; | |
7392 | } | |
7393 | else if ((strncasecmp (name, "dup_comm", 8) == 0)) | |
7394 | { | |
7395 | *input_line_pointer = c; | |
7396 | dup_common = 1; | |
7397 | } | |
7398 | else if ((strncasecmp (name, "zero", 4) == 0)) | |
7399 | { | |
7400 | *input_line_pointer = c; | |
7401 | zero = 1; | |
7402 | } | |
7403 | else if ((strncasecmp (name, "first", 5) == 0)) | |
7404 | as_bad (_("FIRST not supported as a .SUBSPACE argument")); | |
7405 | else | |
7406 | as_bad (_("Invalid .SUBSPACE argument")); | |
7407 | if (!is_end_of_statement ()) | |
7408 | input_line_pointer++; | |
7409 | } | |
7410 | } | |
7411 | ||
7412 | /* Compute a reasonable set of BFD flags based on the information | |
7413 | in the .subspace directive. */ | |
7414 | applicable = bfd_applicable_section_flags (stdoutput); | |
7415 | flags = 0; | |
7416 | if (loadable) | |
7417 | flags |= (SEC_ALLOC | SEC_LOAD); | |
7418 | if (code_only) | |
7419 | flags |= SEC_CODE; | |
7420 | if (common || dup_common) | |
7421 | flags |= SEC_IS_COMMON; | |
7422 | ||
7423 | flags |= SEC_RELOC | SEC_HAS_CONTENTS; | |
7424 | ||
7425 | /* This is a zero-filled subspace (eg BSS). */ | |
7426 | if (zero) | |
7427 | flags &= ~(SEC_LOAD | SEC_HAS_CONTENTS); | |
7428 | ||
7429 | applicable &= flags; | |
7430 | ||
7431 | /* If this is an existing subspace, then we want to use the | |
7432 | segment already associated with the subspace. | |
7433 | ||
7434 | FIXME NOW! ELF BFD doesn't appear to be ready to deal with | |
7435 | lots of sections. It might be a problem in the PA ELF | |
7436 | code, I do not know yet. For now avoid creating anything | |
7437 | but the "standard" sections for ELF. */ | |
7438 | if (create_new) | |
7439 | section = subseg_force_new (ss_name, 0); | |
7440 | else if (ssd) | |
7441 | section = ssd->ssd_seg; | |
252b5132 RH |
7442 | else |
7443 | section = subseg_new (ss_name, 0); | |
7444 | ||
7445 | if (zero) | |
7446 | seg_info (section)->bss = 1; | |
7447 | ||
7448 | /* Now set the flags. */ | |
7449 | bfd_set_section_flags (stdoutput, section, applicable); | |
7450 | ||
7451 | /* Record any alignment request for this section. */ | |
7452 | record_alignment (section, log2 (alignment)); | |
7453 | ||
7454 | /* Set the starting offset for this section. */ | |
7455 | bfd_set_section_vma (stdoutput, section, | |
7456 | pa_subspace_start (space, quadrant)); | |
7457 | ||
7458 | /* Now that all the flags are set, update an existing subspace, | |
7459 | or create a new one. */ | |
7460 | if (ssd) | |
7461 | ||
7462 | current_subspace = update_subspace (space, ss_name, loadable, | |
7463 | code_only, common, dup_common, | |
7464 | sort, zero, access, space_index, | |
7465 | alignment, quadrant, | |
7466 | section); | |
7467 | else | |
7468 | current_subspace = create_new_subspace (space, ss_name, loadable, | |
7469 | code_only, common, | |
7470 | dup_common, zero, sort, | |
7471 | access, space_index, | |
7472 | alignment, quadrant, section); | |
7473 | ||
7474 | demand_empty_rest_of_line (); | |
7475 | current_subspace->ssd_seg = section; | |
7476 | subseg_set (current_subspace->ssd_seg, current_subspace->ssd_subseg); | |
7477 | } | |
7478 | SUBSPACE_DEFINED (current_subspace) = 1; | |
7479 | } | |
7480 | ||
7481 | ||
7482 | /* Create default space and subspace dictionaries. */ | |
7483 | ||
7484 | static void | |
7485 | pa_spaces_begin () | |
7486 | { | |
7487 | int i; | |
7488 | ||
7489 | space_dict_root = NULL; | |
7490 | space_dict_last = NULL; | |
7491 | ||
7492 | i = 0; | |
7493 | while (pa_def_spaces[i].name) | |
7494 | { | |
7495 | char *name; | |
7496 | ||
7497 | /* Pick the right name to use for the new section. */ | |
49863f82 | 7498 | name = pa_def_spaces[i].name; |
252b5132 RH |
7499 | |
7500 | pa_def_spaces[i].segment = subseg_new (name, 0); | |
7501 | create_new_space (pa_def_spaces[i].name, pa_def_spaces[i].spnum, | |
7502 | pa_def_spaces[i].loadable, pa_def_spaces[i].defined, | |
7503 | pa_def_spaces[i].private, pa_def_spaces[i].sort, | |
7504 | pa_def_spaces[i].segment, 0); | |
7505 | i++; | |
7506 | } | |
7507 | ||
7508 | i = 0; | |
7509 | while (pa_def_subspaces[i].name) | |
7510 | { | |
7511 | char *name; | |
7512 | int applicable, subsegment; | |
7513 | asection *segment = NULL; | |
7514 | sd_chain_struct *space; | |
7515 | ||
7516 | /* Pick the right name for the new section and pick the right | |
7517 | subsegment number. */ | |
49863f82 JL |
7518 | name = pa_def_subspaces[i].name; |
7519 | subsegment = 0; | |
252b5132 RH |
7520 | |
7521 | /* Create the new section. */ | |
7522 | segment = subseg_new (name, subsegment); | |
7523 | ||
7524 | ||
7525 | /* For SOM we want to replace the standard .text, .data, and .bss | |
7526 | sections with our own. We also want to set BFD flags for | |
7527 | all the built-in subspaces. */ | |
49863f82 | 7528 | if (!strcmp (pa_def_subspaces[i].name, "$CODE$")) |
252b5132 RH |
7529 | { |
7530 | text_section = segment; | |
7531 | applicable = bfd_applicable_section_flags (stdoutput); | |
7532 | bfd_set_section_flags (stdoutput, segment, | |
7533 | applicable & (SEC_ALLOC | SEC_LOAD | |
7534 | | SEC_RELOC | SEC_CODE | |
7535 | | SEC_READONLY | |
7536 | | SEC_HAS_CONTENTS)); | |
7537 | } | |
49863f82 | 7538 | else if (!strcmp (pa_def_subspaces[i].name, "$DATA$")) |
252b5132 RH |
7539 | { |
7540 | data_section = segment; | |
7541 | applicable = bfd_applicable_section_flags (stdoutput); | |
7542 | bfd_set_section_flags (stdoutput, segment, | |
7543 | applicable & (SEC_ALLOC | SEC_LOAD | |
7544 | | SEC_RELOC | |
7545 | | SEC_HAS_CONTENTS)); | |
7546 | ||
7547 | ||
7548 | } | |
49863f82 | 7549 | else if (!strcmp (pa_def_subspaces[i].name, "$BSS$")) |
252b5132 RH |
7550 | { |
7551 | bss_section = segment; | |
7552 | applicable = bfd_applicable_section_flags (stdoutput); | |
7553 | bfd_set_section_flags (stdoutput, segment, | |
7554 | applicable & SEC_ALLOC); | |
7555 | } | |
49863f82 | 7556 | else if (!strcmp (pa_def_subspaces[i].name, "$LIT$")) |
252b5132 RH |
7557 | { |
7558 | applicable = bfd_applicable_section_flags (stdoutput); | |
7559 | bfd_set_section_flags (stdoutput, segment, | |
7560 | applicable & (SEC_ALLOC | SEC_LOAD | |
7561 | | SEC_RELOC | |
7562 | | SEC_READONLY | |
7563 | | SEC_HAS_CONTENTS)); | |
7564 | } | |
49863f82 | 7565 | else if (!strcmp (pa_def_subspaces[i].name, "$MILLICODE$")) |
252b5132 RH |
7566 | { |
7567 | applicable = bfd_applicable_section_flags (stdoutput); | |
7568 | bfd_set_section_flags (stdoutput, segment, | |
7569 | applicable & (SEC_ALLOC | SEC_LOAD | |
7570 | | SEC_RELOC | |
7571 | | SEC_READONLY | |
7572 | | SEC_HAS_CONTENTS)); | |
7573 | } | |
49863f82 | 7574 | else if (!strcmp (pa_def_subspaces[i].name, "$UNWIND$")) |
252b5132 RH |
7575 | { |
7576 | applicable = bfd_applicable_section_flags (stdoutput); | |
7577 | bfd_set_section_flags (stdoutput, segment, | |
7578 | applicable & (SEC_ALLOC | SEC_LOAD | |
7579 | | SEC_RELOC | |
7580 | | SEC_READONLY | |
7581 | | SEC_HAS_CONTENTS)); | |
7582 | } | |
7583 | ||
7584 | /* Find the space associated with this subspace. */ | |
7585 | space = pa_segment_to_space (pa_def_spaces[pa_def_subspaces[i]. | |
7586 | def_space_index].segment); | |
7587 | if (space == NULL) | |
7588 | { | |
7589 | as_fatal (_("Internal error: Unable to find containing space for %s."), | |
7590 | pa_def_subspaces[i].name); | |
7591 | } | |
7592 | ||
7593 | create_new_subspace (space, name, | |
7594 | pa_def_subspaces[i].loadable, | |
7595 | pa_def_subspaces[i].code_only, | |
7596 | pa_def_subspaces[i].common, | |
7597 | pa_def_subspaces[i].dup_common, | |
7598 | pa_def_subspaces[i].zero, | |
7599 | pa_def_subspaces[i].sort, | |
7600 | pa_def_subspaces[i].access, | |
7601 | pa_def_subspaces[i].space_index, | |
7602 | pa_def_subspaces[i].alignment, | |
7603 | pa_def_subspaces[i].quadrant, | |
7604 | segment); | |
7605 | i++; | |
7606 | } | |
7607 | } | |
7608 | ||
7609 | ||
7610 | ||
7611 | /* Create a new space NAME, with the appropriate flags as defined | |
7612 | by the given parameters. */ | |
7613 | ||
7614 | static sd_chain_struct * | |
7615 | create_new_space (name, spnum, loadable, defined, private, | |
7616 | sort, seg, user_defined) | |
7617 | char *name; | |
7618 | int spnum; | |
7619 | int loadable; | |
7620 | int defined; | |
7621 | int private; | |
7622 | int sort; | |
7623 | asection *seg; | |
7624 | int user_defined; | |
7625 | { | |
7626 | sd_chain_struct *chain_entry; | |
7627 | ||
7628 | chain_entry = (sd_chain_struct *) xmalloc (sizeof (sd_chain_struct)); | |
7629 | if (!chain_entry) | |
7630 | as_fatal (_("Out of memory: could not allocate new space chain entry: %s\n"), | |
7631 | name); | |
7632 | ||
7633 | SPACE_NAME (chain_entry) = (char *) xmalloc (strlen (name) + 1); | |
7634 | strcpy (SPACE_NAME (chain_entry), name); | |
7635 | SPACE_DEFINED (chain_entry) = defined; | |
7636 | SPACE_USER_DEFINED (chain_entry) = user_defined; | |
7637 | SPACE_SPNUM (chain_entry) = spnum; | |
7638 | ||
7639 | chain_entry->sd_seg = seg; | |
7640 | chain_entry->sd_last_subseg = -1; | |
7641 | chain_entry->sd_subspaces = NULL; | |
7642 | chain_entry->sd_next = NULL; | |
7643 | ||
7644 | /* Find spot for the new space based on its sort key. */ | |
7645 | if (!space_dict_last) | |
7646 | space_dict_last = chain_entry; | |
7647 | ||
7648 | if (space_dict_root == NULL) | |
7649 | space_dict_root = chain_entry; | |
7650 | else | |
7651 | { | |
7652 | sd_chain_struct *chain_pointer; | |
7653 | sd_chain_struct *prev_chain_pointer; | |
7654 | ||
7655 | chain_pointer = space_dict_root; | |
7656 | prev_chain_pointer = NULL; | |
7657 | ||
7658 | while (chain_pointer) | |
7659 | { | |
7660 | prev_chain_pointer = chain_pointer; | |
7661 | chain_pointer = chain_pointer->sd_next; | |
7662 | } | |
7663 | ||
7664 | /* At this point we've found the correct place to add the new | |
7665 | entry. So add it and update the linked lists as appropriate. */ | |
7666 | if (prev_chain_pointer) | |
7667 | { | |
7668 | chain_entry->sd_next = chain_pointer; | |
7669 | prev_chain_pointer->sd_next = chain_entry; | |
7670 | } | |
7671 | else | |
7672 | { | |
7673 | space_dict_root = chain_entry; | |
7674 | chain_entry->sd_next = chain_pointer; | |
7675 | } | |
7676 | ||
7677 | if (chain_entry->sd_next == NULL) | |
7678 | space_dict_last = chain_entry; | |
7679 | } | |
7680 | ||
7681 | /* This is here to catch predefined spaces which do not get | |
7682 | modified by the user's input. Another call is found at | |
7683 | the bottom of pa_parse_space_stmt to handle cases where | |
7684 | the user modifies a predefined space. */ | |
7685 | #ifdef obj_set_section_attributes | |
7686 | obj_set_section_attributes (seg, defined, private, sort, spnum); | |
7687 | #endif | |
7688 | ||
7689 | return chain_entry; | |
7690 | } | |
7691 | ||
7692 | /* Create a new subspace NAME, with the appropriate flags as defined | |
7693 | by the given parameters. | |
7694 | ||
7695 | Add the new subspace to the subspace dictionary chain in numerical | |
7696 | order as defined by the SORT entries. */ | |
7697 | ||
7698 | static ssd_chain_struct * | |
7699 | create_new_subspace (space, name, loadable, code_only, common, | |
7700 | dup_common, is_zero, sort, access, space_index, | |
7701 | alignment, quadrant, seg) | |
7702 | sd_chain_struct *space; | |
7703 | char *name; | |
7704 | int loadable, code_only, common, dup_common, is_zero; | |
7705 | int sort; | |
7706 | int access; | |
7707 | int space_index; | |
7708 | int alignment; | |
7709 | int quadrant; | |
7710 | asection *seg; | |
7711 | { | |
7712 | ssd_chain_struct *chain_entry; | |
7713 | ||
7714 | chain_entry = (ssd_chain_struct *) xmalloc (sizeof (ssd_chain_struct)); | |
7715 | if (!chain_entry) | |
7716 | as_fatal (_("Out of memory: could not allocate new subspace chain entry: %s\n"), name); | |
7717 | ||
7718 | SUBSPACE_NAME (chain_entry) = (char *) xmalloc (strlen (name) + 1); | |
7719 | strcpy (SUBSPACE_NAME (chain_entry), name); | |
7720 | ||
7721 | /* Initialize subspace_defined. When we hit a .subspace directive | |
7722 | we'll set it to 1 which "locks-in" the subspace attributes. */ | |
7723 | SUBSPACE_DEFINED (chain_entry) = 0; | |
7724 | ||
49863f82 | 7725 | chain_entry->ssd_subseg = 0; |
252b5132 RH |
7726 | chain_entry->ssd_seg = seg; |
7727 | chain_entry->ssd_next = NULL; | |
7728 | ||
7729 | /* Find spot for the new subspace based on its sort key. */ | |
7730 | if (space->sd_subspaces == NULL) | |
7731 | space->sd_subspaces = chain_entry; | |
7732 | else | |
7733 | { | |
7734 | ssd_chain_struct *chain_pointer; | |
7735 | ssd_chain_struct *prev_chain_pointer; | |
7736 | ||
7737 | chain_pointer = space->sd_subspaces; | |
7738 | prev_chain_pointer = NULL; | |
7739 | ||
7740 | while (chain_pointer) | |
7741 | { | |
7742 | prev_chain_pointer = chain_pointer; | |
7743 | chain_pointer = chain_pointer->ssd_next; | |
7744 | } | |
7745 | ||
7746 | /* Now we have somewhere to put the new entry. Insert it and update | |
7747 | the links. */ | |
7748 | if (prev_chain_pointer) | |
7749 | { | |
7750 | chain_entry->ssd_next = chain_pointer; | |
7751 | prev_chain_pointer->ssd_next = chain_entry; | |
7752 | } | |
7753 | else | |
7754 | { | |
7755 | space->sd_subspaces = chain_entry; | |
7756 | chain_entry->ssd_next = chain_pointer; | |
7757 | } | |
7758 | } | |
7759 | ||
7760 | #ifdef obj_set_subsection_attributes | |
7761 | obj_set_subsection_attributes (seg, space->sd_seg, access, | |
7762 | sort, quadrant); | |
7763 | #endif | |
7764 | ||
7765 | return chain_entry; | |
7766 | } | |
7767 | ||
7768 | /* Update the information for the given subspace based upon the | |
7769 | various arguments. Return the modified subspace chain entry. */ | |
7770 | ||
7771 | static ssd_chain_struct * | |
7772 | update_subspace (space, name, loadable, code_only, common, dup_common, sort, | |
7773 | zero, access, space_index, alignment, quadrant, section) | |
7774 | sd_chain_struct *space; | |
7775 | char *name; | |
7776 | int loadable; | |
7777 | int code_only; | |
7778 | int common; | |
7779 | int dup_common; | |
7780 | int zero; | |
7781 | int sort; | |
7782 | int access; | |
7783 | int space_index; | |
7784 | int alignment; | |
7785 | int quadrant; | |
7786 | asection *section; | |
7787 | { | |
7788 | ssd_chain_struct *chain_entry; | |
7789 | ||
7790 | chain_entry = is_defined_subspace (name); | |
7791 | ||
7792 | #ifdef obj_set_subsection_attributes | |
7793 | obj_set_subsection_attributes (section, space->sd_seg, access, | |
7794 | sort, quadrant); | |
7795 | #endif | |
7796 | ||
7797 | return chain_entry; | |
7798 | } | |
7799 | ||
7800 | /* Return the space chain entry for the space with the name NAME or | |
7801 | NULL if no such space exists. */ | |
7802 | ||
7803 | static sd_chain_struct * | |
7804 | is_defined_space (name) | |
7805 | char *name; | |
7806 | { | |
7807 | sd_chain_struct *chain_pointer; | |
7808 | ||
7809 | for (chain_pointer = space_dict_root; | |
7810 | chain_pointer; | |
7811 | chain_pointer = chain_pointer->sd_next) | |
7812 | { | |
7813 | if (strcmp (SPACE_NAME (chain_pointer), name) == 0) | |
7814 | return chain_pointer; | |
7815 | } | |
7816 | ||
7817 | /* No mapping from segment to space was found. Return NULL. */ | |
7818 | return NULL; | |
7819 | } | |
7820 | ||
7821 | /* Find and return the space associated with the given seg. If no mapping | |
7822 | from the given seg to a space is found, then return NULL. | |
7823 | ||
7824 | Unlike subspaces, the number of spaces is not expected to grow much, | |
7825 | so a linear exhaustive search is OK here. */ | |
7826 | ||
7827 | static sd_chain_struct * | |
7828 | pa_segment_to_space (seg) | |
7829 | asection *seg; | |
7830 | { | |
7831 | sd_chain_struct *space_chain; | |
7832 | ||
7833 | /* Walk through each space looking for the correct mapping. */ | |
7834 | for (space_chain = space_dict_root; | |
7835 | space_chain; | |
7836 | space_chain = space_chain->sd_next) | |
7837 | { | |
7838 | if (space_chain->sd_seg == seg) | |
7839 | return space_chain; | |
7840 | } | |
7841 | ||
7842 | /* Mapping was not found. Return NULL. */ | |
7843 | return NULL; | |
7844 | } | |
7845 | ||
7846 | /* Return the space chain entry for the subspace with the name NAME or | |
7847 | NULL if no such subspace exists. | |
7848 | ||
7849 | Uses a linear search through all the spaces and subspaces, this may | |
7850 | not be appropriate if we ever being placing each function in its | |
7851 | own subspace. */ | |
7852 | ||
7853 | static ssd_chain_struct * | |
7854 | is_defined_subspace (name) | |
7855 | char *name; | |
7856 | { | |
7857 | sd_chain_struct *space_chain; | |
7858 | ssd_chain_struct *subspace_chain; | |
7859 | ||
7860 | /* Walk through each space. */ | |
7861 | for (space_chain = space_dict_root; | |
7862 | space_chain; | |
7863 | space_chain = space_chain->sd_next) | |
7864 | { | |
7865 | /* Walk through each subspace looking for a name which matches. */ | |
7866 | for (subspace_chain = space_chain->sd_subspaces; | |
7867 | subspace_chain; | |
7868 | subspace_chain = subspace_chain->ssd_next) | |
7869 | if (strcmp (SUBSPACE_NAME (subspace_chain), name) == 0) | |
7870 | return subspace_chain; | |
7871 | } | |
7872 | ||
7873 | /* Subspace wasn't found. Return NULL. */ | |
7874 | return NULL; | |
7875 | } | |
7876 | ||
7877 | /* Find and return the subspace associated with the given seg. If no | |
7878 | mapping from the given seg to a subspace is found, then return NULL. | |
7879 | ||
7880 | If we ever put each procedure/function within its own subspace | |
7881 | (to make life easier on the compiler and linker), then this will have | |
7882 | to become more efficient. */ | |
7883 | ||
7884 | static ssd_chain_struct * | |
7885 | pa_subsegment_to_subspace (seg, subseg) | |
7886 | asection *seg; | |
7887 | subsegT subseg; | |
7888 | { | |
7889 | sd_chain_struct *space_chain; | |
7890 | ssd_chain_struct *subspace_chain; | |
7891 | ||
7892 | /* Walk through each space. */ | |
7893 | for (space_chain = space_dict_root; | |
7894 | space_chain; | |
7895 | space_chain = space_chain->sd_next) | |
7896 | { | |
7897 | if (space_chain->sd_seg == seg) | |
7898 | { | |
7899 | /* Walk through each subspace within each space looking for | |
7900 | the correct mapping. */ | |
7901 | for (subspace_chain = space_chain->sd_subspaces; | |
7902 | subspace_chain; | |
7903 | subspace_chain = subspace_chain->ssd_next) | |
7904 | if (subspace_chain->ssd_subseg == (int) subseg) | |
7905 | return subspace_chain; | |
7906 | } | |
7907 | } | |
7908 | ||
7909 | /* No mapping from subsegment to subspace found. Return NULL. */ | |
7910 | return NULL; | |
7911 | } | |
7912 | ||
7913 | /* Given a number, try and find a space with the name number. | |
7914 | ||
7915 | Return a pointer to a space dictionary chain entry for the space | |
7916 | that was found or NULL on failure. */ | |
7917 | ||
7918 | static sd_chain_struct * | |
7919 | pa_find_space_by_number (number) | |
7920 | int number; | |
7921 | { | |
7922 | sd_chain_struct *space_chain; | |
7923 | ||
7924 | for (space_chain = space_dict_root; | |
7925 | space_chain; | |
7926 | space_chain = space_chain->sd_next) | |
7927 | { | |
7928 | if (SPACE_SPNUM (space_chain) == (unsigned int) number) | |
7929 | return space_chain; | |
7930 | } | |
7931 | ||
7932 | /* No appropriate space found. Return NULL. */ | |
7933 | return NULL; | |
7934 | } | |
7935 | ||
7936 | /* Return the starting address for the given subspace. If the starting | |
7937 | address is unknown then return zero. */ | |
7938 | ||
7939 | static unsigned int | |
7940 | pa_subspace_start (space, quadrant) | |
7941 | sd_chain_struct *space; | |
7942 | int quadrant; | |
7943 | { | |
252b5132 RH |
7944 | /* FIXME. Assumes everyone puts read/write data at 0x4000000, this |
7945 | is not correct for the PA OSF1 port. */ | |
7946 | if ((strcmp (SPACE_NAME (space), "$PRIVATE$") == 0) && quadrant == 1) | |
7947 | return 0x40000000; | |
7948 | else if (space->sd_seg == data_section && quadrant == 1) | |
7949 | return 0x40000000; | |
7950 | else | |
7951 | return 0; | |
252b5132 RH |
7952 | return 0; |
7953 | } | |
7954 | ||
7955 | /* FIXME. Needs documentation. */ | |
7956 | static int | |
7957 | pa_next_subseg (space) | |
7958 | sd_chain_struct *space; | |
7959 | { | |
7960 | ||
7961 | space->sd_last_subseg++; | |
7962 | return space->sd_last_subseg; | |
7963 | } | |
49863f82 | 7964 | #endif |
252b5132 RH |
7965 | |
7966 | /* Helper function for pa_stringer. Used to find the end of | |
7967 | a string. */ | |
7968 | ||
7969 | static unsigned int | |
7970 | pa_stringer_aux (s) | |
7971 | char *s; | |
7972 | { | |
7973 | unsigned int c = *s & CHAR_MASK; | |
7974 | ||
49863f82 | 7975 | #ifdef OBJ_SOM |
252b5132 RH |
7976 | /* We must have a valid space and subspace. */ |
7977 | pa_check_current_space_and_subspace (); | |
49863f82 | 7978 | #endif |
252b5132 RH |
7979 | |
7980 | switch (c) | |
7981 | { | |
7982 | case '\"': | |
7983 | c = NOT_A_CHAR; | |
7984 | break; | |
7985 | default: | |
7986 | break; | |
7987 | } | |
7988 | return c; | |
7989 | } | |
7990 | ||
7991 | /* Handle a .STRING type pseudo-op. */ | |
7992 | ||
7993 | static void | |
7994 | pa_stringer (append_zero) | |
7995 | int append_zero; | |
7996 | { | |
7997 | char *s, num_buf[4]; | |
7998 | unsigned int c; | |
7999 | int i; | |
8000 | ||
8001 | /* Preprocess the string to handle PA-specific escape sequences. | |
8002 | For example, \xDD where DD is a hexidecimal number should be | |
8003 | changed to \OOO where OOO is an octal number. */ | |
8004 | ||
8005 | /* Skip the opening quote. */ | |
8006 | s = input_line_pointer + 1; | |
8007 | ||
8008 | while (is_a_char (c = pa_stringer_aux (s++))) | |
8009 | { | |
8010 | if (c == '\\') | |
8011 | { | |
8012 | c = *s; | |
8013 | switch (c) | |
8014 | { | |
8015 | /* Handle \x<num>. */ | |
8016 | case 'x': | |
8017 | { | |
8018 | unsigned int number; | |
8019 | int num_digit; | |
8020 | char dg; | |
8021 | char *s_start = s; | |
8022 | ||
8023 | /* Get pas the 'x'. */ | |
8024 | s++; | |
8025 | for (num_digit = 0, number = 0, dg = *s; | |
8026 | num_digit < 2 | |
8027 | && (isdigit (dg) || (dg >= 'a' && dg <= 'f') | |
8028 | || (dg >= 'A' && dg <= 'F')); | |
8029 | num_digit++) | |
8030 | { | |
8031 | if (isdigit (dg)) | |
8032 | number = number * 16 + dg - '0'; | |
8033 | else if (dg >= 'a' && dg <= 'f') | |
8034 | number = number * 16 + dg - 'a' + 10; | |
8035 | else | |
8036 | number = number * 16 + dg - 'A' + 10; | |
8037 | ||
8038 | s++; | |
8039 | dg = *s; | |
8040 | } | |
8041 | if (num_digit > 0) | |
8042 | { | |
8043 | switch (num_digit) | |
8044 | { | |
8045 | case 1: | |
8046 | sprintf (num_buf, "%02o", number); | |
8047 | break; | |
8048 | case 2: | |
8049 | sprintf (num_buf, "%03o", number); | |
8050 | break; | |
8051 | } | |
8052 | for (i = 0; i <= num_digit; i++) | |
8053 | s_start[i] = num_buf[i]; | |
8054 | } | |
8055 | break; | |
8056 | } | |
8057 | /* This might be a "\"", skip over the escaped char. */ | |
8058 | default: | |
8059 | s++; | |
8060 | break; | |
8061 | } | |
8062 | } | |
8063 | } | |
8064 | stringer (append_zero); | |
8065 | pa_undefine_label (); | |
8066 | } | |
8067 | ||
8068 | /* Handle a .VERSION pseudo-op. */ | |
8069 | ||
8070 | static void | |
8071 | pa_version (unused) | |
8072 | int unused; | |
8073 | { | |
8074 | obj_version (0); | |
8075 | pa_undefine_label (); | |
8076 | } | |
8077 | ||
8078 | #ifdef OBJ_SOM | |
8079 | ||
8080 | /* Handle a .COMPILER pseudo-op. */ | |
8081 | ||
8082 | static void | |
8083 | pa_compiler (unused) | |
8084 | int unused; | |
8085 | { | |
8086 | obj_som_compiler (0); | |
8087 | pa_undefine_label (); | |
8088 | } | |
8089 | ||
8090 | #endif | |
8091 | ||
8092 | /* Handle a .COPYRIGHT pseudo-op. */ | |
8093 | ||
8094 | static void | |
8095 | pa_copyright (unused) | |
8096 | int unused; | |
8097 | { | |
8098 | obj_copyright (0); | |
8099 | pa_undefine_label (); | |
8100 | } | |
8101 | ||
8102 | /* Just like a normal cons, but when finished we have to undefine | |
8103 | the latest space label. */ | |
8104 | ||
8105 | static void | |
8106 | pa_cons (nbytes) | |
8107 | int nbytes; | |
8108 | { | |
8109 | cons (nbytes); | |
8110 | pa_undefine_label (); | |
8111 | } | |
8112 | ||
8113 | /* Switch to the data space. As usual delete our label. */ | |
8114 | ||
8115 | static void | |
8116 | pa_data (unused) | |
8117 | int unused; | |
8118 | { | |
49863f82 | 8119 | #ifdef OBJ_SOM |
252b5132 RH |
8120 | current_space = is_defined_space ("$PRIVATE$"); |
8121 | current_subspace | |
8122 | = pa_subsegment_to_subspace (current_space->sd_seg, 0); | |
49863f82 | 8123 | #endif |
252b5132 RH |
8124 | s_data (0); |
8125 | pa_undefine_label (); | |
8126 | } | |
8127 | ||
8128 | /* Like float_cons, but we need to undefine our label. */ | |
8129 | ||
8130 | static void | |
8131 | pa_float_cons (float_type) | |
8132 | int float_type; | |
8133 | { | |
8134 | float_cons (float_type); | |
8135 | pa_undefine_label (); | |
8136 | } | |
8137 | ||
8138 | /* Like s_fill, but delete our label when finished. */ | |
8139 | ||
8140 | static void | |
8141 | pa_fill (unused) | |
8142 | int unused; | |
8143 | { | |
49863f82 | 8144 | #ifdef OBJ_SOM |
252b5132 RH |
8145 | /* We must have a valid space and subspace. */ |
8146 | pa_check_current_space_and_subspace (); | |
49863f82 | 8147 | #endif |
252b5132 RH |
8148 | |
8149 | s_fill (0); | |
8150 | pa_undefine_label (); | |
8151 | } | |
8152 | ||
8153 | /* Like lcomm, but delete our label when finished. */ | |
8154 | ||
8155 | static void | |
8156 | pa_lcomm (needs_align) | |
8157 | int needs_align; | |
8158 | { | |
49863f82 | 8159 | #ifdef OBJ_SOM |
252b5132 RH |
8160 | /* We must have a valid space and subspace. */ |
8161 | pa_check_current_space_and_subspace (); | |
49863f82 | 8162 | #endif |
252b5132 RH |
8163 | |
8164 | s_lcomm (needs_align); | |
8165 | pa_undefine_label (); | |
8166 | } | |
8167 | ||
8168 | /* Like lsym, but delete our label when finished. */ | |
8169 | ||
8170 | static void | |
8171 | pa_lsym (unused) | |
8172 | int unused; | |
8173 | { | |
49863f82 | 8174 | #ifdef OBJ_SOM |
252b5132 RH |
8175 | /* We must have a valid space and subspace. */ |
8176 | pa_check_current_space_and_subspace (); | |
49863f82 | 8177 | #endif |
252b5132 RH |
8178 | |
8179 | s_lsym (0); | |
8180 | pa_undefine_label (); | |
8181 | } | |
8182 | ||
8183 | /* Switch to the text space. Like s_text, but delete our | |
8184 | label when finished. */ | |
8185 | static void | |
8186 | pa_text (unused) | |
8187 | int unused; | |
8188 | { | |
49863f82 | 8189 | #ifdef OBJ_SOM |
252b5132 RH |
8190 | current_space = is_defined_space ("$TEXT$"); |
8191 | current_subspace | |
8192 | = pa_subsegment_to_subspace (current_space->sd_seg, 0); | |
49863f82 | 8193 | #endif |
252b5132 RH |
8194 | |
8195 | s_text (0); | |
8196 | pa_undefine_label (); | |
8197 | } | |
8198 | ||
8199 | /* On the PA relocations which involve function symbols must not be | |
8200 | adjusted. This so that the linker can know when/how to create argument | |
8201 | relocation stubs for indirect calls and calls to static functions. | |
8202 | ||
8203 | "T" field selectors create DLT relative fixups for accessing | |
8204 | globals and statics in PIC code; each DLT relative fixup creates | |
8205 | an entry in the DLT table. The entries contain the address of | |
8206 | the final target (eg accessing "foo" would create a DLT entry | |
8207 | with the address of "foo"). | |
8208 | ||
8209 | Unfortunately, the HP linker doesn't take into account any addend | |
8210 | when generating the DLT; so accessing $LIT$+8 puts the address of | |
8211 | $LIT$ into the DLT rather than the address of $LIT$+8. | |
8212 | ||
8213 | The end result is we can't perform relocation symbol reductions for | |
8214 | any fixup which creates entries in the DLT (eg they use "T" field | |
8215 | selectors). | |
8216 | ||
8217 | Reject reductions involving symbols with external scope; such | |
d53d2751 | 8218 | reductions make life a living hell for object file editors. |
252b5132 RH |
8219 | |
8220 | FIXME. Also reject R_HPPA relocations which are 32bits wide in | |
8221 | the code space. The SOM BFD backend doesn't know how to pull the | |
8222 | right bits out of an instruction. */ | |
8223 | ||
8224 | int | |
8225 | hppa_fix_adjustable (fixp) | |
8226 | fixS *fixp; | |
8227 | { | |
8228 | struct hppa_fix_struct *hppa_fix; | |
8229 | ||
8230 | hppa_fix = (struct hppa_fix_struct *) fixp->tc_fix_data; | |
8231 | ||
8232 | #ifdef OBJ_SOM | |
8233 | /* Reject reductions of symbols in 32bit relocs. */ | |
8234 | if (fixp->fx_r_type == R_HPPA && hppa_fix->fx_r_format == 32) | |
8235 | return 0; | |
8236 | ||
8237 | /* Reject reductions of symbols in sym1-sym2 expressions when | |
d53d2751 | 8238 | the fixup will occur in a CODE subspace. |
252b5132 RH |
8239 | |
8240 | XXX FIXME: Long term we probably want to reject all of these; | |
8241 | for example reducing in the debug section would lose if we ever | |
8242 | supported using the optimizing hp linker. */ | |
8243 | if (fixp->fx_addsy | |
8244 | && fixp->fx_subsy | |
8245 | && (hppa_fix->segment->flags & SEC_CODE)) | |
8246 | { | |
8247 | /* Apparently sy_used_in_reloc never gets set for sub symbols. */ | |
398e8c25 | 8248 | symbol_mark_used_in_reloc (fixp->fx_subsy); |
252b5132 RH |
8249 | return 0; |
8250 | } | |
8251 | ||
8252 | /* We can't adjust any relocs that use LR% and RR% field selectors. | |
8253 | That confuses the HP linker. */ | |
8254 | if (hppa_fix->fx_r_field == e_lrsel | |
8255 | || hppa_fix->fx_r_field == e_rrsel | |
8256 | || hppa_fix->fx_r_field == e_nlrsel) | |
8257 | return 0; | |
8258 | #endif | |
8259 | ||
8260 | /* Reject reductions of symbols in DLT relative relocs, | |
8261 | relocations with plabels. */ | |
8262 | if (hppa_fix->fx_r_field == e_tsel | |
8263 | || hppa_fix->fx_r_field == e_ltsel | |
8264 | || hppa_fix->fx_r_field == e_rtsel | |
8265 | || hppa_fix->fx_r_field == e_psel | |
8266 | || hppa_fix->fx_r_field == e_rpsel | |
8267 | || hppa_fix->fx_r_field == e_lpsel) | |
8268 | return 0; | |
8269 | ||
a0f75b47 | 8270 | if (fixp->fx_addsy && S_IS_EXTERNAL (fixp->fx_addsy)) |
252b5132 RH |
8271 | return 0; |
8272 | ||
8273 | /* Reject absolute calls (jumps). */ | |
8274 | if (hppa_fix->fx_r_type == R_HPPA_ABS_CALL) | |
8275 | return 0; | |
8276 | ||
8277 | /* Reject reductions of function symbols. */ | |
a0f75b47 | 8278 | if (fixp->fx_addsy == 0 || ! S_IS_FUNCTION (fixp->fx_addsy)) |
252b5132 RH |
8279 | return 1; |
8280 | ||
8281 | return 0; | |
8282 | } | |
8283 | ||
8284 | /* Return nonzero if the fixup in FIXP will require a relocation, | |
8285 | even it if appears that the fixup could be completely handled | |
8286 | within GAS. */ | |
8287 | ||
8288 | int | |
8289 | hppa_force_relocation (fixp) | |
8290 | fixS *fixp; | |
8291 | { | |
8292 | struct hppa_fix_struct *hppa_fixp; | |
8293 | int distance; | |
8294 | ||
8295 | hppa_fixp = (struct hppa_fix_struct *) fixp->tc_fix_data; | |
8296 | #ifdef OBJ_SOM | |
8297 | if (fixp->fx_r_type == R_HPPA_ENTRY || fixp->fx_r_type == R_HPPA_EXIT | |
8298 | || fixp->fx_r_type == R_HPPA_BEGIN_BRTAB | |
8299 | || fixp->fx_r_type == R_HPPA_END_BRTAB | |
8300 | || fixp->fx_r_type == R_HPPA_BEGIN_TRY | |
8301 | || fixp->fx_r_type == R_HPPA_END_TRY | |
8302 | || (fixp->fx_addsy != NULL && fixp->fx_subsy != NULL | |
8303 | && (hppa_fixp->segment->flags & SEC_CODE) != 0)) | |
8304 | return 1; | |
8305 | #endif | |
8306 | ||
8307 | #define arg_reloc_stub_needed(CALLER, CALLEE) \ | |
8308 | ((CALLEE) && (CALLER) && ((CALLEE) != (CALLER))) | |
8309 | ||
49863f82 | 8310 | #ifdef OBJ_SOM |
252b5132 RH |
8311 | /* It is necessary to force PC-relative calls/jumps to have a relocation |
8312 | entry if they're going to need either a argument relocation or long | |
8313 | call stub. FIXME. Can't we need the same for absolute calls? */ | |
8314 | if (fixp->fx_pcrel && fixp->fx_addsy | |
8315 | && (arg_reloc_stub_needed ((long) ((obj_symbol_type *) | |
a0f75b47 ILT |
8316 | symbol_get_bfdsym (fixp->fx_addsy))->tc_data.ap.hppa_arg_reloc, |
8317 | hppa_fixp->fx_arg_reloc))) | |
252b5132 | 8318 | return 1; |
49863f82 | 8319 | #endif |
252b5132 RH |
8320 | distance = (fixp->fx_offset + S_GET_VALUE (fixp->fx_addsy) |
8321 | - md_pcrel_from (fixp)); | |
8322 | /* Now check and see if we're going to need a long-branch stub. */ | |
8323 | if (fixp->fx_r_type == R_HPPA_PCREL_CALL | |
8324 | && (distance > 262143 || distance < -262144)) | |
8325 | return 1; | |
8326 | ||
8327 | if (fixp->fx_r_type == R_HPPA_ABS_CALL) | |
8328 | return 1; | |
8329 | #undef arg_reloc_stub_needed | |
8330 | ||
8331 | /* No need (yet) to force another relocations to be emitted. */ | |
8332 | return 0; | |
8333 | } | |
8334 | ||
8335 | /* Now for some ELF specific code. FIXME. */ | |
8336 | #ifdef OBJ_ELF | |
8337 | /* Mark the end of a function so that it's possible to compute | |
8338 | the size of the function in hppa_elf_final_processing. */ | |
8339 | ||
8340 | static void | |
8341 | hppa_elf_mark_end_of_function () | |
8342 | { | |
8343 | /* ELF does not have EXIT relocations. All we do is create a | |
8344 | temporary symbol marking the end of the function. */ | |
8345 | char *name = (char *) | |
8346 | xmalloc (strlen ("L$\001end_") + | |
8347 | strlen (S_GET_NAME (last_call_info->start_symbol)) + 1); | |
8348 | ||
8349 | if (name) | |
8350 | { | |
8351 | symbolS *symbolP; | |
8352 | ||
8353 | strcpy (name, "L$\001end_"); | |
8354 | strcat (name, S_GET_NAME (last_call_info->start_symbol)); | |
8355 | ||
8356 | /* If we have a .exit followed by a .procend, then the | |
8357 | symbol will have already been defined. */ | |
8358 | symbolP = symbol_find (name); | |
8359 | if (symbolP) | |
8360 | { | |
8361 | /* The symbol has already been defined! This can | |
8362 | happen if we have a .exit followed by a .procend. | |
8363 | ||
8364 | This is *not* an error. All we want to do is free | |
8365 | the memory we just allocated for the name and continue. */ | |
8366 | xfree (name); | |
8367 | } | |
8368 | else | |
8369 | { | |
8370 | /* symbol value should be the offset of the | |
8371 | last instruction of the function */ | |
8372 | symbolP = symbol_new (name, now_seg, (valueT) (frag_now_fix () - 4), | |
8373 | frag_now); | |
8374 | ||
8375 | assert (symbolP); | |
a0f75b47 | 8376 | S_CLEAR_EXTERNAL (symbolP); |
252b5132 RH |
8377 | symbol_table_insert (symbolP); |
8378 | } | |
8379 | ||
8380 | if (symbolP) | |
8381 | last_call_info->end_symbol = symbolP; | |
8382 | else | |
8383 | as_bad (_("Symbol '%s' could not be created."), name); | |
8384 | ||
8385 | } | |
8386 | else | |
8387 | as_bad (_("No memory for symbol name.")); | |
8388 | ||
8389 | } | |
8390 | ||
8391 | /* For ELF, this function serves one purpose: to setup the st_size | |
8392 | field of STT_FUNC symbols. To do this, we need to scan the | |
8393 | call_info structure list, determining st_size in by taking the | |
8394 | difference in the address of the beginning/end marker symbols. */ | |
8395 | ||
8396 | void | |
8397 | elf_hppa_final_processing () | |
8398 | { | |
8399 | struct call_info *call_info_pointer; | |
8400 | ||
8401 | for (call_info_pointer = call_info_root; | |
8402 | call_info_pointer; | |
8403 | call_info_pointer = call_info_pointer->ci_next) | |
8404 | { | |
8405 | elf_symbol_type *esym | |
a0f75b47 ILT |
8406 | = ((elf_symbol_type *) |
8407 | symbol_get_bfdsym (call_info_pointer->start_symbol)); | |
252b5132 RH |
8408 | esym->internal_elf_sym.st_size = |
8409 | S_GET_VALUE (call_info_pointer->end_symbol) | |
8410 | - S_GET_VALUE (call_info_pointer->start_symbol) + 4; | |
8411 | } | |
8412 | } | |
8413 | #endif | |
2d93dcc4 JL |
8414 | |
8415 | #ifdef OBJ_ELF | |
8416 | pa_end_of_source () | |
8417 | { | |
8418 | if (debug_type == DEBUG_DWARF2) | |
8419 | dwarf2_finish (); | |
8420 | } | |
8421 | #endif |