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* config/sh/tm-sh.h (BELIEVE_PCC_PROMOTION): Define, so that
[thirdparty/binutils-gdb.git] / gas / config / tc-hppa.c
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025b0302 1/* tc-hppa.c -- Assemble for the PA
48401fcf 2 Copyright (C) 1989, 1996, 1997, 1998 Free Software Foundation, Inc.
025b0302 3
8f78d0e9 4 This file is part of GAS, the GNU Assembler.
025b0302 5
8f78d0e9
KR		 6 GAS is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
48401fcf 8 the Free Software Foundation; either version 2, or (at your option)
8f78d0e9 9 any later version.
025b0302 10
8f78d0e9
KR		 11 GAS is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
025b0302 15
8f78d0e9
KR		 16 You should have received a copy of the GNU General Public License
17 along with GAS; see the file COPYING. If not, write to
5ae218df 18 the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
025b0302
ME		 19
20
8f78d0e9
KR		 21/* HP PA-RISC support was contributed by the Center for Software Science
22 at the University of Utah. */
025b0302
ME		 23
24#include <stdio.h>
25#include <ctype.h>
26
27#include "as.h"
28#include "subsegs.h"
29
d675782a
KR		 30#include "bfd/libhppa.h"
31#include "bfd/libbfd.h"
5cf4cd1b 32
8f78d0e9
KR		 33/* Be careful, this file includes data *declarations*. */
34#include "opcode/hppa.h"
35
36/* A "convient" place to put object file dependencies which do
37 not need to be seen outside of tc-hppa.c. */
5cf4cd1b 38#ifdef OBJ_ELF
8f78d0e9
KR		 39/* Names of various debugging spaces/subspaces. */
40#define GDB_DEBUG_SPACE_NAME ".stab"
41#define GDB_STRINGS_SUBSPACE_NAME ".stabstr"
42#define GDB_SYMBOLS_SUBSPACE_NAME ".stab"
3315c7c7 43#define UNWIND_SECTION_NAME ".PARISC.unwind"
8f78d0e9
KR		 44/* Nonzero if CODE is a fixup code needing further processing. */
45
8f78d0e9
KR		 46/* Object file formats specify relocation types. */
47typedef elf32_hppa_reloc_type reloc_type;
48
49/* Object file formats specify BFD symbol types. */
50typedef elf_symbol_type obj_symbol_type;
51
aa8b30ed
JL		 52/* How to generate a relocation. */
53#define hppa_gen_reloc_type hppa_elf_gen_reloc_type
54
eb91665b
JL		 55/* ELF objects can have versions, but apparently do not have anywhere
56 to store a copyright string. */
8f78d0e9 57#define obj_version obj_elf_version
eb91665b 58#define obj_copyright obj_elf_version
8f78d0e9 59
3b9a72c5
JL		 60/* Use space aliases. */
61#define USE_ALIASES 1
8f78d0e9
KR		 62#endif
63
64#ifdef OBJ_SOM
65/* Names of various debugging spaces/subspaces. */
66#define GDB_DEBUG_SPACE_NAME "$GDB_DEBUG$"
67#define GDB_STRINGS_SUBSPACE_NAME "$GDB_STRINGS$"
68#define GDB_SYMBOLS_SUBSPACE_NAME "$GDB_SYMBOLS$"
69#define UNWIND_SECTION_NAME "$UNWIND$"
70
71/* Object file formats specify relocation types. */
72typedef int reloc_type;
73
eb91665b 74/* SOM objects can have both a version string and a copyright string. */
8f78d0e9 75#define obj_version obj_som_version
eb91665b 76#define obj_copyright obj_som_copyright
8f78d0e9 77
3b9a72c5
JL		 78/* Do not use space aliases. */
79#define USE_ALIASES 0
80
aa8b30ed
JL		 81/* How to generate a relocation. */
82#define hppa_gen_reloc_type hppa_som_gen_reloc_type
8f78d0e9
KR		 83
84/* Object file formats specify BFD symbol types. */
85typedef som_symbol_type obj_symbol_type;
907f11fe
JL		 86
87/* This apparently isn't in older versions of hpux reloc.h. */
88#ifndef R_DLT_REL
89#define R_DLT_REL 0x78
90#endif
5cf4cd1b
KR		 91#endif
92
b81231b7
JL		 93#ifndef R_N0SEL
94#define R_N0SEL 0xd8
95#endif
96
97#ifndef R_N1SEL
98#define R_N1SEL 0xd9
99#endif
100
8f78d0e9
KR		 101/* Various structures and types used internally in tc-hppa.c. */
102
103/* Unwind table and descriptor. FIXME: Sync this with GDB version. */
025b0302
ME		 104
105struct unwind_desc
106 {
107 unsigned int cannot_unwind:1;
108 unsigned int millicode:1;
109 unsigned int millicode_save_rest:1;
110 unsigned int region_desc:2;
111 unsigned int save_sr:2;
8f78d0e9
KR		 112 unsigned int entry_fr:4;
113 unsigned int entry_gr:5;
025b0302
ME		 114 unsigned int args_stored:1;
115 unsigned int call_fr:5;
116 unsigned int call_gr:5;
117 unsigned int save_sp:1;
118 unsigned int save_rp:1;
119 unsigned int save_rp_in_frame:1;
120 unsigned int extn_ptr_defined:1;
121 unsigned int cleanup_defined:1;
122
123 unsigned int hpe_interrupt_marker:1;
124 unsigned int hpux_interrupt_marker:1;
125 unsigned int reserved:3;
126 unsigned int frame_size:27;
127 };
128
025b0302
ME		 129struct unwind_table
130 {
8f78d0e9
KR		 131 /* Starting and ending offsets of the region described by
132 descriptor. */
133 unsigned int start_offset;
134 unsigned int end_offset;
135 struct unwind_desc descriptor;
025b0302
ME		 136 };
137
8f78d0e9
KR		 138/* This structure is used by the .callinfo, .enter, .leave pseudo-ops to
139 control the entry and exit code they generate. It is also used in
140 creation of the correct stack unwind descriptors.
025b0302 141
8f78d0e9
KR		 142 NOTE: GAS does not support .enter and .leave for the generation of
143 prologues and epilogues. FIXME.
144
145 The fields in structure roughly correspond to the arguments available on the
146 .callinfo pseudo-op. */
025b0302
ME		 147
148struct call_info
149 {
8f78d0e9
KR		 150 /* The unwind descriptor being built. */
151 struct unwind_table ci_unwind;
152
153 /* Name of this function. */
154 symbolS *start_symbol;
155
4ff6f92a
JL		 156 /* (temporary) symbol used to mark the end of this function. */
157 symbolS *end_symbol;
8f78d0e9 158
8f78d0e9
KR		 159 /* Next entry in the chain. */
160 struct call_info *ci_next;
161 };
162
163/* Operand formats for FP instructions. Note not all FP instructions
164 allow all four formats to be used (for example fmpysub only allows
165 SGL and DBL). */
166typedef enum
167 {
168 SGL, DBL, ILLEGAL_FMT, QUAD
169 }
170fp_operand_format;
171
e75acd68
JL		 172/* This fully describes the symbol types which may be attached to
173 an EXPORT or IMPORT directive. Only SOM uses this formation
174 (ELF has no need for it). */
175typedef enum
c5e9ccd0
JL		 176 {
177 SYMBOL_TYPE_UNKNOWN,
178 SYMBOL_TYPE_ABSOLUTE,
179 SYMBOL_TYPE_CODE,
180 SYMBOL_TYPE_DATA,
181 SYMBOL_TYPE_ENTRY,
182 SYMBOL_TYPE_MILLICODE,
183 SYMBOL_TYPE_PLABEL,
184 SYMBOL_TYPE_PRI_PROG,
185 SYMBOL_TYPE_SEC_PROG,
186 }
187pa_symbol_type;
e75acd68 188
75c28b49 189/* This structure contains information needed to assemble
8f78d0e9 190 individual instructions. */
025b0302
ME		 191struct pa_it
192 {
8f78d0e9 193 /* Holds the opcode after parsing by pa_ip. */
025b0302 194 unsigned long opcode;
8f78d0e9
KR		 195
196 /* Holds an expression associated with the current instruction. */
025b0302 197 expressionS exp;
8f78d0e9
KR		 198
199 /* Does this instruction use PC-relative addressing. */
025b0302 200 int pcrel;
8f78d0e9
KR		 201
202 /* Floating point formats for operand1 and operand2. */
203 fp_operand_format fpof1;
204 fp_operand_format fpof2;
205
206 /* Holds the field selector for this instruction
207 (for example L%, LR%, etc). */
025b0302 208 long field_selector;
8f78d0e9
KR		 209
210 /* Holds any argument relocation bits associated with this
211 instruction. (instruction should be some sort of call). */
025b0302 212 long arg_reloc;
8f78d0e9
KR		 213
214 /* The format specification for this instruction. */
025b0302 215 int format;
8f78d0e9
KR		 216
217 /* The relocation (if any) associated with this instruction. */
218 reloc_type reloc;
025b0302
ME		 219 };
220
8f78d0e9 221/* PA-89 floating point registers are arranged like this:
025b0302 222
025b0302 223
8f78d0e9
KR		 224 +--------------+--------------+
225 | 0 or 16L | 16 or 16R |
226 +--------------+--------------+
227 | 1 or 17L | 17 or 17R |
228 +--------------+--------------+
229 | | |
230
231 . . .
232 . . .
233 . . .
234
235 | | |
236 +--------------+--------------+
237 | 14 or 30L | 30 or 30R |
238 +--------------+--------------+
239 | 15 or 31L | 31 or 31R |
240 +--------------+--------------+
241
242
243 The following is a version of pa_parse_number that
244 handles the L/R notation and returns the correct
245 value to put into the instruction register field.
246 The correct value to put into the instruction is
4829cd65 247 encoded in the structure 'pa_11_fp_reg_struct'. */
8f78d0e9 248
4829cd65 249struct pa_11_fp_reg_struct
8f78d0e9
KR		 250 {
251 /* The register number. */
252 char number_part;
253
254 /* L/R selector. */
255 char l_r_select;
256 };
257
258/* Additional information needed to build argument relocation stubs. */
259struct call_desc
260 {
261 /* The argument relocation specification. */
262 unsigned int arg_reloc;
263
264 /* Number of arguments. */
265 unsigned int arg_count;
266 };
267
268/* This structure defines an entry in the subspace dictionary
269 chain. */
270
271struct subspace_dictionary_chain
272 {
47f45d66
JL		 273 /* Nonzero if this space has been defined by the user code. */
274 unsigned int ssd_defined;
275
8f78d0e9
KR		 276 /* Name of this subspace. */
277 char *ssd_name;
278
279 /* GAS segment and subsegment associated with this subspace. */
280 asection *ssd_seg;
281 int ssd_subseg;
282
8f78d0e9
KR		 283 /* Next space in the subspace dictionary chain. */
284 struct subspace_dictionary_chain *ssd_next;
285 };
286
287typedef struct subspace_dictionary_chain ssd_chain_struct;
288
289/* This structure defines an entry in the subspace dictionary
290 chain. */
291
292struct space_dictionary_chain
293 {
75c28b49 294 /* Nonzero if this space has been defined by the user code or
8f78d0e9
KR		 295 as a default space. */
296 unsigned int sd_defined;
297
298 /* Nonzero if this spaces has been defined by the user code. */
299 unsigned int sd_user_defined;
300
8f78d0e9
KR		 301 /* The space number (or index). */
302 unsigned int sd_spnum;
303
8f78d0e9
KR		 304 /* The name of this subspace. */
305 char *sd_name;
306
307 /* GAS segment to which this subspace corresponds. */
308 asection *sd_seg;
309
310 /* Current subsegment number being used. */
311 int sd_last_subseg;
312
313 /* The chain of subspaces contained within this space. */
314 ssd_chain_struct *sd_subspaces;
315
316 /* The next entry in the space dictionary chain. */
317 struct space_dictionary_chain *sd_next;
318 };
319
320typedef struct space_dictionary_chain sd_chain_struct;
321
322/* Structure for previous label tracking. Needed so that alignments,
323 callinfo declarations, etc can be easily attached to a particular
324 label. */
325typedef struct label_symbol_struct
326 {
327 struct symbol *lss_label;
328 sd_chain_struct *lss_space;
329 struct label_symbol_struct *lss_next;
330 }
331label_symbol_struct;
332
333/* This structure defines attributes of the default subspace
334 dictionary entries. */
335
336struct default_subspace_dict
337 {
c5e9ccd0 338 /* Name of the subspace. */
8f78d0e9
KR		 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
379 /* An alias for this section (or NULL if no alias exists). */
380 char *alias;
381
382 /* Subsegment associated with this subspace. */
383 subsegT subsegment;
384 };
385
386/* This structure defines attributes of the default space
387 dictionary entries. */
388
389struct default_space_dict
390 {
391 /* Name of the space. */
392 char *name;
393
394 /* Space number. It is possible to identify spaces within
395 assembly code numerically! */
396 int spnum;
397
398 /* Nonzero if this space is loadable. */
399 char loadable;
400
401 /* Nonzero if this space is "defined". FIXME is still needed */
402 char defined;
403
404 /* Nonzero if this space can not be shared. */
405 char private;
406
407 /* Sort key for this space. */
408 unsigned char sort;
409
410 /* Segment associated with this space. */
411 asection *segment;
412
413 /* An alias for this section (or NULL if no alias exists). */
414 char *alias;
415 };
416
417/* Extra information needed to perform fixups (relocations) on the PA. */
418struct hppa_fix_struct
c5e9ccd0 419 {
8f78d0e9 420 /* The field selector. */
ac866582 421 enum hppa_reloc_field_selector_type_alt fx_r_field;
8f78d0e9
KR		 422
423 /* Type of fixup. */
424 int fx_r_type;
425
426 /* Format of fixup. */
427 int fx_r_format;
428
429 /* Argument relocation bits. */
430 long fx_arg_reloc;
431
fca59f9d
JL		 432 /* The segment this fixup appears in. */
433 segT segment;
c5e9ccd0 434 };
8f78d0e9
KR		 435
436/* Structure to hold information about predefined registers. */
437
438struct pd_reg
c5e9ccd0
JL		 439 {
440 char *name;
441 int value;
442 };
8f78d0e9
KR		 443
444/* This structure defines the mapping from a FP condition string
445 to a condition number which can be recorded in an instruction. */
446struct fp_cond_map
c5e9ccd0
JL		 447 {
448 char *string;
449 int cond;
450 };
8f78d0e9
KR		 451
452/* This structure defines a mapping from a field selector
453 string to a field selector type. */
454struct selector_entry
c5e9ccd0
JL		 455 {
456 char *prefix;
457 int field_selector;
458 };
025b0302 459
8f78d0e9
KR		 460/* Prototypes for functions local to tc-hppa.c. */
461
60937ce7 462static void pa_check_current_space_and_subspace PARAMS ((void));
8f78d0e9 463static fp_operand_format pa_parse_fp_format PARAMS ((char **s));
8f78d0e9
KR		 464static void pa_cons PARAMS ((int));
465static void pa_data PARAMS ((int));
8f78d0e9
KR		 466static void pa_float_cons PARAMS ((int));
467static void pa_fill PARAMS ((int));
468static void pa_lcomm PARAMS ((int));
469static void pa_lsym PARAMS ((int));
470static void pa_stringer PARAMS ((int));
471static void pa_text PARAMS ((int));
472static void pa_version PARAMS ((int));
473static int pa_parse_fp_cmp_cond PARAMS ((char **));
474static int get_expression PARAMS ((char *));
48153d49
JL		 475static int pa_get_absolute_expression PARAMS ((struct pa_it *, char **));
476static int evaluate_absolute PARAMS ((struct pa_it *));
8f78d0e9
KR		 477static unsigned int pa_build_arg_reloc PARAMS ((char *));
478static unsigned int pa_align_arg_reloc PARAMS ((unsigned int, unsigned int));
479static int pa_parse_nullif PARAMS ((char **));
480static int pa_parse_nonneg_cmpsub_cmpltr PARAMS ((char **, int));
481static int pa_parse_neg_cmpsub_cmpltr PARAMS ((char **, int));
482static int pa_parse_neg_add_cmpltr PARAMS ((char **, int));
483static int pa_parse_nonneg_add_cmpltr PARAMS ((char **, int));
e67b3aa3 484static void pa_align PARAMS ((int));
8f78d0e9 485static void pa_block PARAMS ((int));
5ae218df 486static void pa_brtab PARAMS ((int));
448b5aad 487static void pa_try PARAMS ((int));
8f78d0e9
KR		 488static void pa_call PARAMS ((int));
489static void pa_call_args PARAMS ((struct call_desc *));
490static void pa_callinfo PARAMS ((int));
491static void pa_code PARAMS ((int));
492static void pa_comm PARAMS ((int));
493static void pa_copyright PARAMS ((int));
494static void pa_end PARAMS ((int));
495static void pa_enter PARAMS ((int));
496static void pa_entry PARAMS ((int));
497static void pa_equ PARAMS ((int));
498static void pa_exit PARAMS ((int));
499static void pa_export PARAMS ((int));
48153d49 500static void pa_type_args PARAMS ((symbolS *, int));
8f78d0e9
KR		 501static void pa_import PARAMS ((int));
502static void pa_label PARAMS ((int));
503static void pa_leave PARAMS ((int));
b81231b7 504static void pa_level PARAMS ((int));
8f78d0e9
KR		 505static void pa_origin PARAMS ((int));
506static void pa_proc PARAMS ((int));
507static void pa_procend PARAMS ((int));
508static void pa_space PARAMS ((int));
509static void pa_spnum PARAMS ((int));
510static void pa_subspace PARAMS ((int));
511static void pa_param PARAMS ((int));
512static void pa_undefine_label PARAMS ((void));
4829cd65
JL		 513static int need_pa11_opcode PARAMS ((struct pa_it *,
514 struct pa_11_fp_reg_struct *));
515static int pa_parse_number PARAMS ((char **, struct pa_11_fp_reg_struct *));
8f78d0e9 516static label_symbol_struct *pa_get_label PARAMS ((void));
de3ffc7a
JL		 517static sd_chain_struct *create_new_space PARAMS ((char *, int, int,
518 int, int, int,
8f78d0e9 519 asection *, int));
c5e9ccd0 520static ssd_chain_struct *create_new_subspace PARAMS ((sd_chain_struct *,
de3ffc7a
JL		 521 char *, int, int,
522 int, int, int,
523 int, int, int, int,
c5e9ccd0 524 int, asection *));
3b9a72c5 525static ssd_chain_struct *update_subspace PARAMS ((sd_chain_struct *,
de3ffc7a
JL		 526 char *, int, int, int,
527 int, int, int, int,
18c4f112
JL		 528 int, int, int,
529 asection *));
8f78d0e9 530static sd_chain_struct *is_defined_space PARAMS ((char *));
47f45d66 531static ssd_chain_struct *is_defined_subspace PARAMS ((char *));
8f78d0e9 532static sd_chain_struct *pa_segment_to_space PARAMS ((asection *));
c5e9ccd0
JL		 533static ssd_chain_struct *pa_subsegment_to_subspace PARAMS ((asection *,
534 subsegT));
8f78d0e9
KR		 535static sd_chain_struct *pa_find_space_by_number PARAMS ((int));
536static unsigned int pa_subspace_start PARAMS ((sd_chain_struct *, int));
8f78d0e9 537static void pa_ip PARAMS ((char *));
de3ffc7a 538static void fix_new_hppa PARAMS ((fragS *, int, int, symbolS *,
8f78d0e9 539 long, expressionS *, int,
f2eed884 540 bfd_reloc_code_real_type,
48401fcf 541 enum hppa_reloc_field_selector_type_alt,
75c28b49 542 int, long, int *));
8f78d0e9
KR		 543static int is_end_of_statement PARAMS ((void));
544static int reg_name_search PARAMS ((char *));
545static int pa_chk_field_selector PARAMS ((char **));
546static int is_same_frag PARAMS ((fragS *, fragS *));
8f78d0e9
KR		 547static void process_exit PARAMS ((void));
548static sd_chain_struct *pa_parse_space_stmt PARAMS ((char *, int));
aa8b30ed 549static int log2 PARAMS ((int));
8f78d0e9
KR		 550static int pa_next_subseg PARAMS ((sd_chain_struct *));
551static unsigned int pa_stringer_aux PARAMS ((char *));
552static void pa_spaces_begin PARAMS ((void));
ac866582
JL		 553
554#ifdef OBJ_ELF
4ff6f92a 555static void hppa_elf_mark_end_of_function PARAMS ((void));
ac866582
JL		 556static void pa_build_unwind_subspace PARAMS ((struct call_info *));
557#endif
8f78d0e9
KR		 558
559/* File and gloally scoped variable declarations. */
560
561/* Root and final entry in the space chain. */
562static sd_chain_struct *space_dict_root;
563static sd_chain_struct *space_dict_last;
564
565/* The current space and subspace. */
566static sd_chain_struct *current_space;
567static ssd_chain_struct *current_subspace;
568
569/* Root of the call_info chain. */
570static struct call_info *call_info_root;
571
572/* The last call_info (for functions) structure
573 seen so it can be associated with fixups and
574 function labels. */
575static struct call_info *last_call_info;
576
c5e9ccd0 577/* The last call description (for actual calls). */
8f78d0e9
KR		 578static struct call_desc last_call_desc;
579
c5e9ccd0 580/* Jumps are always the same size -- one instruction. */
025b0302
ME		 581int md_short_jump_size = 4;
582int md_long_jump_size = 4;
583
8f78d0e9
KR		 584/* handle of the OPCODE hash table */
585static struct hash_control *op_hash = NULL;
025b0302 586
8f78d0e9
KR		 587/* This array holds the chars that always start a comment. If the
588 pre-processor is disabled, these aren't very useful. */
589const char comment_chars[] = ";";
590
591/* Table of pseudo ops for the PA. FIXME -- how many of these
592 are now redundant with the overall GAS and the object file
593 dependent tables? */
594const pseudo_typeS md_pseudo_table[] =
595{
596 /* align pseudo-ops on the PA specify the actual alignment requested,
597 not the log2 of the requested alignment. */
e67b3aa3 598 {"align", pa_align, 8},
5ae218df 599 {"begin_brtab", pa_brtab, 1},
448b5aad 600 {"begin_try", pa_try, 1},
025b0302 601 {"block", pa_block, 1},
025b0302 602 {"blockz", pa_block, 0},
025b0302 603 {"byte", pa_cons, 1},
025b0302 604 {"call", pa_call, 0},
025b0302 605 {"callinfo", pa_callinfo, 0},
025b0302 606 {"code", pa_code, 0},
025b0302 607 {"comm", pa_comm, 0},
025b0302 608 {"copyright", pa_copyright, 0},
025b0302 609 {"data", pa_data, 0},
025b0302 610 {"double", pa_float_cons, 'd'},
025b0302 611 {"end", pa_end, 0},
5ae218df 612 {"end_brtab", pa_brtab, 0},
448b5aad 613 {"end_try", pa_try, 0},
025b0302 614 {"enter", pa_enter, 0},
025b0302 615 {"entry", pa_entry, 0},
025b0302 616 {"equ", pa_equ, 0},
025b0302 617 {"exit", pa_exit, 0},
025b0302 618 {"export", pa_export, 0},
025b0302 619 {"fill", pa_fill, 0},
025b0302 620 {"float", pa_float_cons, 'f'},
025b0302 621 {"half", pa_cons, 2},
025b0302 622 {"import", pa_import, 0},
025b0302 623 {"int", pa_cons, 4},
025b0302 624 {"label", pa_label, 0},
025b0302 625 {"lcomm", pa_lcomm, 0},
025b0302 626 {"leave", pa_leave, 0},
b81231b7 627 {"level", pa_level, 0},
025b0302 628 {"long", pa_cons, 4},
025b0302 629 {"lsym", pa_lsym, 0},
83b59013 630 {"nsubspa", pa_subspace, 1},
aa8b30ed 631 {"octa", pa_cons, 16},
025b0302 632 {"org", pa_origin, 0},
025b0302 633 {"origin", pa_origin, 0},
5cf4cd1b 634 {"param", pa_param, 0},
025b0302 635 {"proc", pa_proc, 0},
025b0302 636 {"procend", pa_procend, 0},
aa8b30ed 637 {"quad", pa_cons, 8},
8f78d0e9 638 {"reg", pa_equ, 1},
025b0302 639 {"short", pa_cons, 2},
025b0302 640 {"single", pa_float_cons, 'f'},
025b0302 641 {"space", pa_space, 0},
025b0302 642 {"spnum", pa_spnum, 0},
025b0302 643 {"string", pa_stringer, 0},
025b0302 644 {"stringz", pa_stringer, 1},
025b0302 645 {"subspa", pa_subspace, 0},
025b0302 646 {"text", pa_text, 0},
025b0302 647 {"version", pa_version, 0},
025b0302 648 {"word", pa_cons, 4},
025b0302
ME		 649 {NULL, 0, 0}
650};
651
652/* This array holds the chars that only start a comment at the beginning of
653 a line. If the line seems to have the form '# 123 filename'
8f78d0e9
KR		 654 .line and .file directives will appear in the pre-processed output.
655
656 Note that input_file.c hand checks for '#' at the beginning of the
025b0302 657 first line of the input file. This is because the compiler outputs
8f78d0e9
KR		 658 #NO_APP at the beginning of its output.
659
b81231b7 660 Also note that C style comments will always work. */
025b0302
ME		 661const char line_comment_chars[] = "#";
662
8f78d0e9 663/* This array holds the characters which act as line separators. */
025b0302
ME		 664const char line_separator_chars[] = "!";
665
8f78d0e9 666/* Chars that can be used to separate mant from exp in floating point nums. */
025b0302
ME		 667const char EXP_CHARS[] = "eE";
668
8f78d0e9 669/* Chars that mean this number is a floating point constant.
75c28b49 670 As in 0f12.456 or 0d1.2345e12.
025b0302 671
75c28b49 672 Be aware that MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT may have to be
8f78d0e9
KR		 673 changed in read.c. Ideally it shouldn't hae to know abou it at
674 all, but nothing is ideal around here. */
675const char FLT_CHARS[] = "rRsSfFdDxXpP";
025b0302 676
8f78d0e9 677static struct pa_it the_insn;
025b0302 678
8f78d0e9
KR		 679/* Points to the end of an expression just parsed by get_expressoin
680 and friends. FIXME. This shouldn't be handled with a file-global
681 variable. */
682static char *expr_end;
025b0302 683
8f78d0e9 684/* Nonzero if a .callinfo appeared within the current procedure. */
5cf4cd1b 685static int callinfo_found;
025b0302 686
8f78d0e9 687/* Nonzero if the assembler is currently within a .entry/.exit pair. */
5cf4cd1b 688static int within_entry_exit;
025b0302 689
8f78d0e9 690/* Nonzero if the assembler is currently within a procedure definition. */
5cf4cd1b 691static int within_procedure;
025b0302 692
8f78d0e9
KR		 693/* Handle on strucutre which keep track of the last symbol
694 seen in each subspace. */
695static label_symbol_struct *label_symbols_rootp = NULL;
025b0302 696
8f78d0e9
KR		 697/* Holds the last field selector. */
698static int hppa_field_selector;
025b0302 699
6868afe6 700/* A dummy bfd symbol so that all relocations have symbols of some kind. */
fca59f9d 701static symbolS *dummy_symbol;
6868afe6 702
8f78d0e9
KR		 703/* Nonzero if errors are to be printed. */
704static int print_errors = 1;
025b0302 705
8f78d0e9 706/* List of registers that are pre-defined:
025b0302 707
8f78d0e9 708 Each general register has one predefined name of the form
75c28b49 709 %r<REGNUM> which has the value <REGNUM>.
025b0302 710
8f78d0e9 711 Space and control registers are handled in a similar manner,
75c28b49 712 but use %sr<REGNUM> and %cr<REGNUM> as their predefined names.
025b0302 713
8f78d0e9
KR		 714 Likewise for the floating point registers, but of the form
715 %fr<REGNUM>. Floating point registers have additional predefined
716 names with 'L' and 'R' suffixes (e.g. %fr19L, %fr19R) which
717 again have the value <REGNUM>.
025b0302 718
8f78d0e9 719 Many registers also have synonyms:
025b0302 720
8f78d0e9
KR		 721 %r26 - %r23 have %arg0 - %arg3 as synonyms
722 %r28 - %r29 have %ret0 - %ret1 as synonyms
723 %r30 has %sp as a synonym
d6e524f3
JL		 724 %r27 has %dp as a synonym
725 %r2 has %rp as a synonym
025b0302 726
8f78d0e9 727 Almost every control register has a synonym; they are not listed
75c28b49 728 here for brevity.
025b0302 729
8f78d0e9 730 The table is sorted. Suitable for searching by a binary search. */
025b0302 731
8f78d0e9 732static const struct pd_reg pre_defined_registers[] =
025b0302 733{
8f78d0e9
KR		 734 {"%arg0", 26},
735 {"%arg1", 25},
736 {"%arg2", 24},
737 {"%arg3", 23},
738 {"%cr0", 0},
739 {"%cr10", 10},
740 {"%cr11", 11},
741 {"%cr12", 12},
742 {"%cr13", 13},
743 {"%cr14", 14},
744 {"%cr15", 15},
745 {"%cr16", 16},
746 {"%cr17", 17},
747 {"%cr18", 18},
748 {"%cr19", 19},
749 {"%cr20", 20},
750 {"%cr21", 21},
751 {"%cr22", 22},
752 {"%cr23", 23},
753 {"%cr24", 24},
754 {"%cr25", 25},
755 {"%cr26", 26},
756 {"%cr27", 27},
757 {"%cr28", 28},
758 {"%cr29", 29},
759 {"%cr30", 30},
760 {"%cr31", 31},
761 {"%cr8", 8},
762 {"%cr9", 9},
d6e524f3 763 {"%dp", 27},
8f78d0e9
KR		 764 {"%eiem", 15},
765 {"%eirr", 23},
766 {"%fr0", 0},
4047ff1d
JL		 767 {"%fr0l", 0},
768 {"%fr0r", 0},
8f78d0e9
KR		 769 {"%fr1", 1},
770 {"%fr10", 10},
4047ff1d
JL		 771 {"%fr10l", 10},
772 {"%fr10r", 10},
8f78d0e9 773 {"%fr11", 11},
4047ff1d
JL		 774 {"%fr11l", 11},
775 {"%fr11r", 11},
8f78d0e9 776 {"%fr12", 12},
4047ff1d
JL		 777 {"%fr12l", 12},
778 {"%fr12r", 12},
8f78d0e9 779 {"%fr13", 13},
4047ff1d
JL		 780 {"%fr13l", 13},
781 {"%fr13r", 13},
8f78d0e9 782 {"%fr14", 14},
4047ff1d
JL		 783 {"%fr14l", 14},
784 {"%fr14r", 14},
8f78d0e9 785 {"%fr15", 15},
4047ff1d
JL		 786 {"%fr15l", 15},
787 {"%fr15r", 15},
8f78d0e9 788 {"%fr16", 16},
4047ff1d
JL		 789 {"%fr16l", 16},
790 {"%fr16r", 16},
8f78d0e9 791 {"%fr17", 17},
4047ff1d
JL		 792 {"%fr17l", 17},
793 {"%fr17r", 17},
8f78d0e9 794 {"%fr18", 18},
4047ff1d
JL		 795 {"%fr18l", 18},
796 {"%fr18r", 18},
8f78d0e9 797 {"%fr19", 19},
4047ff1d
JL		 798 {"%fr19l", 19},
799 {"%fr19r", 19},
800 {"%fr1l", 1},
801 {"%fr1r", 1},
8f78d0e9
KR		 802 {"%fr2", 2},
803 {"%fr20", 20},
4047ff1d
JL		 804 {"%fr20l", 20},
805 {"%fr20r", 20},
8f78d0e9 806 {"%fr21", 21},
4047ff1d
JL		 807 {"%fr21l", 21},
808 {"%fr21r", 21},
8f78d0e9 809 {"%fr22", 22},
4047ff1d
JL		 810 {"%fr22l", 22},
811 {"%fr22r", 22},
8f78d0e9 812 {"%fr23", 23},
4047ff1d
JL		 813 {"%fr23l", 23},
814 {"%fr23r", 23},
8f78d0e9 815 {"%fr24", 24},
4047ff1d
JL		 816 {"%fr24l", 24},
817 {"%fr24r", 24},
8f78d0e9 818 {"%fr25", 25},
4047ff1d
JL		 819 {"%fr25l", 25},
820 {"%fr25r", 25},
8f78d0e9 821 {"%fr26", 26},
4047ff1d
JL		 822 {"%fr26l", 26},
823 {"%fr26r", 26},
8f78d0e9 824 {"%fr27", 27},
4047ff1d
JL		 825 {"%fr27l", 27},
826 {"%fr27r", 27},
8f78d0e9 827 {"%fr28", 28},
4047ff1d
JL		 828 {"%fr28l", 28},
829 {"%fr28r", 28},
8f78d0e9 830 {"%fr29", 29},
4047ff1d
JL		 831 {"%fr29l", 29},
832 {"%fr29r", 29},
833 {"%fr2l", 2},
834 {"%fr2r", 2},
8f78d0e9
KR		 835 {"%fr3", 3},
836 {"%fr30", 30},
4047ff1d
JL		 837 {"%fr30l", 30},
838 {"%fr30r", 30},
8f78d0e9 839 {"%fr31", 31},
4047ff1d
JL		 840 {"%fr31l", 31},
841 {"%fr31r", 31},
842 {"%fr3l", 3},
843 {"%fr3r", 3},
8f78d0e9 844 {"%fr4", 4},
4047ff1d
JL		 845 {"%fr4l", 4},
846 {"%fr4r", 4},
8f78d0e9 847 {"%fr5", 5},
4047ff1d
JL		 848 {"%fr5l", 5},
849 {"%fr5r", 5},
8f78d0e9 850 {"%fr6", 6},
4047ff1d
JL		 851 {"%fr6l", 6},
852 {"%fr6r", 6},
8f78d0e9 853 {"%fr7", 7},
4047ff1d
JL		 854 {"%fr7l", 7},
855 {"%fr7r", 7},
8f78d0e9 856 {"%fr8", 8},
4047ff1d
JL		 857 {"%fr8l", 8},
858 {"%fr8r", 8},
8f78d0e9 859 {"%fr9", 9},
4047ff1d
JL		 860 {"%fr9l", 9},
861 {"%fr9r", 9},
8f78d0e9
KR		 862 {"%hta", 25},
863 {"%iir", 19},
864 {"%ior", 21},
865 {"%ipsw", 22},
866 {"%isr", 20},
867 {"%itmr", 16},
868 {"%iva", 14},
869 {"%pcoq", 18},
870 {"%pcsq", 17},
871 {"%pidr1", 8},
872 {"%pidr2", 9},
873 {"%pidr3", 12},
874 {"%pidr4", 13},
875 {"%ppda", 24},
876 {"%r0", 0},
877 {"%r1", 1},
878 {"%r10", 10},
879 {"%r11", 11},
880 {"%r12", 12},
881 {"%r13", 13},
882 {"%r14", 14},
883 {"%r15", 15},
884 {"%r16", 16},
885 {"%r17", 17},
886 {"%r18", 18},
887 {"%r19", 19},
888 {"%r2", 2},
889 {"%r20", 20},
890 {"%r21", 21},
891 {"%r22", 22},
892 {"%r23", 23},
893 {"%r24", 24},
894 {"%r25", 25},
895 {"%r26", 26},
896 {"%r27", 27},
897 {"%r28", 28},
898 {"%r29", 29},
899 {"%r3", 3},
900 {"%r30", 30},
901 {"%r31", 31},
902 {"%r4", 4},
8f78d0e9 903 {"%r5", 5},
8f78d0e9 904 {"%r6", 6},
8f78d0e9 905 {"%r7", 7},
8f78d0e9 906 {"%r8", 8},
8f78d0e9 907 {"%r9", 9},
8f78d0e9
KR		 908 {"%rctr", 0},
909 {"%ret0", 28},
910 {"%ret1", 29},
d6e524f3 911 {"%rp", 2},
8f78d0e9
KR		 912 {"%sar", 11},
913 {"%sp", 30},
914 {"%sr0", 0},
915 {"%sr1", 1},
916 {"%sr2", 2},
917 {"%sr3", 3},
918 {"%sr4", 4},
919 {"%sr5", 5},
920 {"%sr6", 6},
921 {"%sr7", 7},
922 {"%tr0", 24},
923 {"%tr1", 25},
924 {"%tr2", 26},
925 {"%tr3", 27},
926 {"%tr4", 28},
927 {"%tr5", 29},
928 {"%tr6", 30},
929 {"%tr7", 31}
930};
025b0302 931
8f78d0e9 932/* This table is sorted by order of the length of the string. This is
75c28b49 933 so we check for <> before we check for <. If we had a <> and checked
8f78d0e9 934 for < first, we would get a false match. */
c5e9ccd0 935static const struct fp_cond_map fp_cond_map[] =
8f78d0e9
KR		 936{
937 {"false?", 0},
938 {"false", 1},
939 {"true?", 30},
940 {"true", 31},
941 {"!<=>", 3},
942 {"!?>=", 8},
943 {"!?<=", 16},
944 {"!<>", 7},
945 {"!>=", 11},
946 {"!?>", 12},
947 {"?<=", 14},
948 {"!<=", 19},
949 {"!?<", 20},
950 {"?>=", 22},
951 {"!?=", 24},
952 {"!=t", 27},
953 {"<=>", 29},
954 {"=t", 5},
955 {"?=", 6},
956 {"?<", 10},
957 {"<=", 13},
958 {"!>", 15},
959 {"?>", 18},
960 {">=", 21},
961 {"!<", 23},
962 {"<>", 25},
963 {"!=", 26},
964 {"!?", 28},
965 {"?", 2},
966 {"=", 4},
967 {"<", 9},
968 {">", 17}
969};
025b0302 970
8f78d0e9
KR		 971static const struct selector_entry selector_table[] =
972{
4047ff1d
JL		 973 {"f", e_fsel},
974 {"l", e_lsel},
975 {"ld", e_ldsel},
976 {"lp", e_lpsel},
977 {"lr", e_lrsel},
978 {"ls", e_lssel},
979 {"lt", e_ltsel},
83b59013
JL		 980 {"n", e_nsel},
981 {"nl", e_nlsel},
982 {"nlr", e_nlrsel},
4047ff1d
JL		 983 {"p", e_psel},
984 {"r", e_rsel},
985 {"rd", e_rdsel},
986 {"rp", e_rpsel},
987 {"rr", e_rrsel},
988 {"rs", e_rssel},
989 {"rt", e_rtsel},
990 {"t", e_tsel},
8f78d0e9 991};
025b0302 992
8f78d0e9 993/* default space and subspace dictionaries */
025b0302 994
8f78d0e9
KR		 995#define GDB_SYMBOLS GDB_SYMBOLS_SUBSPACE_NAME
996#define GDB_STRINGS GDB_STRINGS_SUBSPACE_NAME
025b0302 997
8f78d0e9
KR		 998/* pre-defined subsegments (subspaces) for the HPPA. */
999#define SUBSEG_CODE 0
8f78d0e9 1000#define SUBSEG_LIT 1
b81231b7
JL		 1001#define SUBSEG_MILLI 2
1002#define SUBSEG_DATA 0
8f78d0e9
KR		 1003#define SUBSEG_BSS 2
1004#define SUBSEG_UNWIND 3
1005#define SUBSEG_GDB_STRINGS 0
1006#define SUBSEG_GDB_SYMBOLS 1
025b0302 1007
8f78d0e9 1008static struct default_subspace_dict pa_def_subspaces[] =
025b0302 1009{
aa8b30ed
JL		 1010 {"$CODE$", 1, 1, 1, 0, 0, 0, 24, 0x2c, 0, 8, 0, 0, ".text", SUBSEG_CODE},
1011 {"$DATA$", 1, 1, 0, 0, 0, 0, 24, 0x1f, 1, 8, 1, 1, ".data", SUBSEG_DATA},
1012 {"$LIT$", 1, 1, 0, 0, 0, 0, 16, 0x2c, 0, 8, 0, 0, ".text", SUBSEG_LIT},
b81231b7 1013 {"$MILLICODE$", 1, 1, 0, 0, 0, 0, 8, 0x2c, 0, 8, 0, 0, ".text", SUBSEG_MILLI},
aa8b30ed 1014 {"$BSS$", 1, 1, 0, 0, 0, 1, 80, 0x1f, 1, 8, 1, 1, ".bss", SUBSEG_BSS},
31a385d1 1015#ifdef OBJ_ELF
3315c7c7 1016 {"$UNWIND$", 1, 1, 0, 0, 0, 0, 64, 0x2c, 0, 4, 0, 0, ".PARISC.unwind", SUBSEG_UNWIND},
31a385d1 1017#endif
8f78d0e9
KR		 1018 {NULL, 0, 1, 0, 0, 0, 0, 255, 0x1f, 0, 4, 0, 0, 0}
1019};
025b0302 1020
8f78d0e9
KR		 1021static struct default_space_dict pa_def_spaces[] =
1022{
aa8b30ed
JL		 1023 {"$TEXT$", 0, 1, 1, 0, 8, ASEC_NULL, ".text"},
1024 {"$PRIVATE$", 1, 1, 1, 1, 16, ASEC_NULL, ".data"},
8f78d0e9
KR		 1025 {NULL, 0, 0, 0, 0, 0, ASEC_NULL, NULL}
1026};
025b0302 1027
8f78d0e9
KR		 1028/* Misc local definitions used by the assembler. */
1029
1030/* Return nonzero if the string pointed to by S potentially represents
1031 a right or left half of a FP register */
1032#define IS_R_SELECT(S) (*(S) == 'R' || *(S) == 'r')
1033#define IS_L_SELECT(S) (*(S) == 'L' || *(S) == 'l')
1034
1035/* These macros are used to maintain spaces/subspaces. */
1036#define SPACE_DEFINED(space_chain) (space_chain)->sd_defined
1037#define SPACE_USER_DEFINED(space_chain) (space_chain)->sd_user_defined
8f78d0e9 1038#define SPACE_SPNUM(space_chain) (space_chain)->sd_spnum
8f78d0e9 1039#define SPACE_NAME(space_chain) (space_chain)->sd_name
8f78d0e9 1040
47f45d66 1041#define SUBSPACE_DEFINED(ss_chain) (ss_chain)->ssd_defined
8f78d0e9
KR		 1042#define SUBSPACE_NAME(ss_chain) (ss_chain)->ssd_name
1043
48153d49
JL		 1044/* Insert FIELD into OPCODE starting at bit START. Continue pa_ip
1045 main loop after insertion. */
1046
1047#define INSERT_FIELD_AND_CONTINUE(OPCODE, FIELD, START) \
1048 { \
1049 ((OPCODE) |= (FIELD) << (START)); \
1050 continue; \
1051 }
1052
75c28b49 1053/* Simple range checking for FIELD againt HIGH and LOW bounds.
48153d49
JL		 1054 IGNORE is used to suppress the error message. */
1055
1056#define CHECK_FIELD(FIELD, HIGH, LOW, IGNORE) \
1057 { \
1058 if ((FIELD) > (HIGH) || (FIELD) < (LOW)) \
1059 { \
1060 if (! IGNORE) \
48401fcf 1061 as_bad (_("Field out of range [%d..%d] (%d)."), (LOW), (HIGH), \
48153d49
JL		 1062 (int) (FIELD));\
1063 break; \
1064 } \
1065 }
c5e9ccd0 1066
8f78d0e9
KR		 1067#define is_DP_relative(exp) \
1068 ((exp).X_op == O_subtract \
1069 && strcmp((exp).X_op_symbol->bsym->name, "$global$") == 0)
1070
1071#define is_PC_relative(exp) \
1072 ((exp).X_op == O_subtract \
1073 && strcmp((exp).X_op_symbol->bsym->name, "$PIC_pcrel$0") == 0)
1074
655f3ef4
JL		 1075/* We need some complex handling for stabs (sym1 - sym2). Luckily, we'll
1076 always be able to reduce the expression to a constant, so we don't
1077 need real complex handling yet. */
1078#define is_complex(exp) \
1079 ((exp).X_op != O_constant && (exp).X_op != O_symbol)
1080
8f78d0e9
KR		 1081/* Actual functions to implement the PA specific code for the assembler. */
1082
60937ce7
JL		 1083/* Called before writing the object file. Make sure entry/exit and
1084 proc/procend pairs match. */
1085
1086void
1087pa_check_eof ()
1088{
1089 if (within_entry_exit)
48401fcf 1090 as_fatal (_("Missing .exit\n"));
60937ce7
JL		 1091
1092 if (within_procedure)
48401fcf 1093 as_fatal (_("Missing .procend\n"));
60937ce7
JL		 1094}
1095
1096/* Check to make sure we have a valid space and subspace. */
1097
1098static void
1099pa_check_current_space_and_subspace ()
1100{
1101 if (current_space == NULL)
48401fcf 1102 as_fatal (_("Not in a space.\n"));
60937ce7
JL		 1103
1104 if (current_subspace == NULL)
48401fcf 1105 as_fatal (_("Not in a subspace.\n"));
60937ce7
JL		 1106}
1107
8f78d0e9
KR		 1108/* Returns a pointer to the label_symbol_struct for the current space.
1109 or NULL if no label_symbol_struct exists for the current space. */
1110
1111static label_symbol_struct *
1112pa_get_label ()
1113{
1114 label_symbol_struct *label_chain;
3b9a72c5 1115 sd_chain_struct *space_chain = current_space;
025b0302 1116
8f78d0e9
KR		 1117 for (label_chain = label_symbols_rootp;
1118 label_chain;
1119 label_chain = label_chain->lss_next)
1120 if (space_chain == label_chain->lss_space && label_chain->lss_label)
1121 return label_chain;
025b0302 1122
8f78d0e9
KR		 1123 return NULL;
1124}
025b0302 1125
8f78d0e9
KR		 1126/* Defines a label for the current space. If one is already defined,
1127 this function will replace it with the new label. */
025b0302 1128
8f78d0e9
KR		 1129void
1130pa_define_label (symbol)
1131 symbolS *symbol;
1132{
1133 label_symbol_struct *label_chain = pa_get_label ();
3b9a72c5 1134 sd_chain_struct *space_chain = current_space;
8f78d0e9
KR		 1135
1136 if (label_chain)
1137 label_chain->lss_label = symbol;
1138 else
1139 {
1140 /* Create a new label entry and add it to the head of the chain. */
1141 label_chain
1142 = (label_symbol_struct *) xmalloc (sizeof (label_symbol_struct));
1143 label_chain->lss_label = symbol;
1144 label_chain->lss_space = space_chain;
1145 label_chain->lss_next = NULL;
1146
1147 if (label_symbols_rootp)
1148 label_chain->lss_next = label_symbols_rootp;
1149
1150 label_symbols_rootp = label_chain;
1151 }
1152}
1153
1154/* Removes a label definition for the current space.
1155 If there is no label_symbol_struct entry, then no action is taken. */
1156
1157static void
1158pa_undefine_label ()
1159{
1160 label_symbol_struct *label_chain;
1161 label_symbol_struct *prev_label_chain = NULL;
3b9a72c5 1162 sd_chain_struct *space_chain = current_space;
8f78d0e9
KR		 1163
1164 for (label_chain = label_symbols_rootp;
1165 label_chain;
1166 label_chain = label_chain->lss_next)
1167 {
1168 if (space_chain == label_chain->lss_space && label_chain->lss_label)
1169 {
1170 /* Remove the label from the chain and free its memory. */
1171 if (prev_label_chain)
1172 prev_label_chain->lss_next = label_chain->lss_next;
1173 else
1174 label_symbols_rootp = label_chain->lss_next;
1175
1176 free (label_chain);
1177 break;
1178 }
1179 prev_label_chain = label_chain;
1180 }
1181}
1182
1183
1184/* An HPPA-specific version of fix_new. This is required because the HPPA
1185 code needs to keep track of some extra stuff. Each call to fix_new_hppa
1186 results in the creation of an instance of an hppa_fix_struct. An
1187 hppa_fix_struct stores the extra information along with a pointer to the
75c28b49 1188 original fixS. This is attached to the original fixup via the
aa8b30ed 1189 tc_fix_data field. */
8f78d0e9
KR		 1190
1191static void
1192fix_new_hppa (frag, where, size, add_symbol, offset, exp, pcrel,
75c28b49 1193 r_type, r_field, r_format, arg_reloc, unwind_bits)
8f78d0e9
KR		 1194 fragS *frag;
1195 int where;
de3ffc7a 1196 int size;
8f78d0e9
KR		 1197 symbolS *add_symbol;
1198 long offset;
1199 expressionS *exp;
1200 int pcrel;
1201 bfd_reloc_code_real_type r_type;
ac866582 1202 enum hppa_reloc_field_selector_type_alt r_field;
8f78d0e9
KR		 1203 int r_format;
1204 long arg_reloc;
75c28b49 1205 int* unwind_bits;
8f78d0e9
KR		 1206{
1207 fixS *new_fix;
1208
1209 struct hppa_fix_struct *hppa_fix = (struct hppa_fix_struct *)
c5e9ccd0 1210 obstack_alloc (&notes, sizeof (struct hppa_fix_struct));
8f78d0e9
KR		 1211
1212 if (exp != NULL)
1213 new_fix = fix_new_exp (frag, where, size, exp, pcrel, r_type);
1214 else
1215 new_fix = fix_new (frag, where, size, add_symbol, offset, pcrel, r_type);
fb338f1d 1216 new_fix->tc_fix_data = (void *) hppa_fix;
8f78d0e9
KR		 1217 hppa_fix->fx_r_type = r_type;
1218 hppa_fix->fx_r_field = r_field;
1219 hppa_fix->fx_r_format = r_format;
1220 hppa_fix->fx_arg_reloc = arg_reloc;
fca59f9d 1221 hppa_fix->segment = now_seg;
75c28b49
JL		 1222#ifdef OBJ_SOM
1223 if (r_type == R_ENTRY || r_type == R_EXIT)
e67b3aa3 1224 new_fix->fx_offset = *unwind_bits;
ff852e11 1225#endif
25989392
JL		 1226
1227 /* foo-$global$ is used to access non-automatic storage. $global$
1228 is really just a marker and has served its purpose, so eliminate
1229 it now so as not to confuse write.c. */
81413fa2
JL		 1230 if (new_fix->fx_subsy
1231 && !strcmp (S_GET_NAME (new_fix->fx_subsy), "$global$"))
25989392 1232 new_fix->fx_subsy = NULL;
025b0302
ME		 1233}
1234
1235/* Parse a .byte, .word, .long expression for the HPPA. Called by
1236 cons via the TC_PARSE_CONS_EXPRESSION macro. */
1237
025b0302
ME		 1238void
1239parse_cons_expression_hppa (exp)
1240 expressionS *exp;
1241{
1242 hppa_field_selector = pa_chk_field_selector (&input_line_pointer);
5cf4cd1b 1243 expression (exp);
025b0302
ME		 1244}
1245
1246/* This fix_new is called by cons via TC_CONS_FIX_NEW.
1247 hppa_field_selector is set by the parse_cons_expression_hppa. */
1248
1249void
1250cons_fix_new_hppa (frag, where, size, exp)
8f78d0e9
KR		 1251 fragS *frag;
1252 int where;
1253 int size;
1254 expressionS *exp;
025b0302 1255{
4047ff1d 1256 unsigned int rel_type;
025b0302 1257
8fb99170 1258 /* Get a base relocation type. */
025b0302 1259 if (is_DP_relative (*exp))
4047ff1d 1260 rel_type = R_HPPA_GOTOFF;
655f3ef4 1261 else if (is_complex (*exp))
8fb99170 1262 rel_type = R_HPPA_COMPLEX;
025b0302 1263 else
4047ff1d 1264 rel_type = R_HPPA;
025b0302 1265
ac866582 1266 if (hppa_field_selector != e_psel && hppa_field_selector != e_fsel)
48401fcf 1267 as_warn (_("Invalid field selector. Assuming F%%."));
025b0302 1268
5cf4cd1b 1269 fix_new_hppa (frag, where, size,
4047ff1d 1270 (symbolS *) NULL, (offsetT) 0, exp, 0, rel_type,
75c28b49 1271 hppa_field_selector, 32, 0, NULL);
1cc248d2
JL		 1272
1273 /* Reset field selector to its default state. */
1274 hppa_field_selector = 0;
025b0302
ME		 1275}
1276
1277/* This function is called once, at assembler startup time. It should
1278 set up all the tables, etc. that the MD part of the assembler will need. */
8f78d0e9 1279
025b0302
ME		 1280void
1281md_begin ()
1282{
18c4f112 1283 const char *retval = NULL;
025b0302 1284 int lose = 0;
8f78d0e9 1285 unsigned int i = 0;
025b0302
ME		 1286
1287 last_call_info = NULL;
1288 call_info_root = NULL;
1289
4829cd65
JL		 1290 /* Set the default machine type. */
1291 if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, 10))
48401fcf 1292 as_warn (_("could not set architecture and machine"));
4829cd65 1293
13925cef
JL		 1294 /* Folding of text and data segments fails miserably on the PA.
1295 Warn user and disable "-R" option. */
def66e24 1296 if (flag_readonly_data_in_text)
d56f45f5 1297 {
48401fcf 1298 as_warn (_("-R option not supported on this target."));
def66e24 1299 flag_readonly_data_in_text = 0;
d56f45f5 1300 }
13925cef 1301
025b0302
ME		 1302 pa_spaces_begin ();
1303
1304 op_hash = hash_new ();
025b0302
ME		 1305
1306 while (i < NUMOPCODES)
1307 {
1308 const char *name = pa_opcodes[i].name;
c5e9ccd0 1309 retval = hash_insert (op_hash, name, (struct pa_opcode *) &pa_opcodes[i]);
8f78d0e9 1310 if (retval != NULL && *retval != '\0')
025b0302 1311 {
48401fcf 1312 as_fatal (_("Internal error: can't hash `%s': %s\n"), name, retval);
025b0302
ME		 1313 lose = 1;
1314 }
1315 do
1316 {
c5e9ccd0 1317 if ((pa_opcodes[i].match & pa_opcodes[i].mask)
8f78d0e9 1318 != pa_opcodes[i].match)
025b0302 1319 {
48401fcf 1320 fprintf (stderr, _("internal error: losing opcode: `%s' \"%s\"\n"),
025b0302
ME		 1321 pa_opcodes[i].name, pa_opcodes[i].args);
1322 lose = 1;
1323 }
1324 ++i;
1325 }
8f78d0e9 1326 while (i < NUMOPCODES && !strcmp (pa_opcodes[i].name, name));
025b0302
ME		 1327 }
1328
1329 if (lose)
48401fcf 1330 as_fatal (_("Broken assembler. No assembly attempted."));
3b9a72c5
JL		 1331
1332 /* SOM will change text_section. To make sure we never put
1333 anything into the old one switch to the new one now. */
1334 subseg_set (text_section, 0);
8f78d0e9 1335
6868afe6 1336 dummy_symbol = symbol_find_or_make ("L$dummy");
fca59f9d 1337 S_SET_SEGMENT (dummy_symbol, text_section);
025b0302
ME		 1338}
1339
8f78d0e9 1340/* Assemble a single instruction storing it into a frag. */
025b0302
ME		 1341void
1342md_assemble (str)
1343 char *str;
1344{
8f78d0e9 1345 char *to;
025b0302 1346
8f78d0e9 1347 /* The had better be something to assemble. */
025b0302 1348 assert (str);
8f78d0e9 1349
4047ff1d
JL		 1350 /* If we are within a procedure definition, make sure we've
1351 defined a label for the procedure; handle case where the
75c28b49 1352 label was defined after the .PROC directive.
86066d06
JL		 1353
1354 Note there's not need to diddle with the segment or fragment
1355 for the label symbol in this case. We have already switched
1356 into the new $CODE$ subspace at this point. */
4047ff1d
JL		 1357 if (within_procedure && last_call_info->start_symbol == NULL)
1358 {
1359 label_symbol_struct *label_symbol = pa_get_label ();
1360
1361 if (label_symbol)
1362 {
1363 if (label_symbol->lss_label)
1364 {
1365 last_call_info->start_symbol = label_symbol->lss_label;
1366 label_symbol->lss_label->bsym->flags |= BSF_FUNCTION;
86066d06
JL		 1367#ifdef OBJ_SOM
1368 /* Also handle allocation of a fixup to hold the unwind
1369 information when the label appears after the proc/procend. */
1370 if (within_entry_exit)
1371 {
1372 char *where = frag_more (0);
1373
1374 fix_new_hppa (frag_now, where - frag_now->fr_literal, 0,
75c28b49 1375 NULL, (offsetT) 0, NULL,
86066d06 1376 0, R_HPPA_ENTRY, e_fsel, 0, 0,
75c28b49 1377 (int *)&last_call_info->ci_unwind.descriptor);
86066d06
JL		 1378 }
1379#endif
4047ff1d
JL		 1380 }
1381 else
48401fcf 1382 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
4047ff1d
JL		 1383 }
1384 else
48401fcf 1385 as_bad (_("Missing function name for .PROC"));
4047ff1d
JL		 1386 }
1387
8f78d0e9 1388 /* Assemble the instruction. Results are saved into "the_insn". */
025b0302 1389 pa_ip (str);
025b0302 1390
8f78d0e9
KR		 1391 /* Get somewhere to put the assembled instrution. */
1392 to = frag_more (4);
025b0302 1393
8f78d0e9
KR		 1394 /* Output the opcode. */
1395 md_number_to_chars (to, the_insn.opcode, 4);
025b0302 1396
8f78d0e9 1397 /* If necessary output more stuff. */
aa8b30ed 1398 if (the_insn.reloc != R_HPPA_NONE)
8f78d0e9
KR		 1399 fix_new_hppa (frag_now, (to - frag_now->fr_literal), 4, NULL,
1400 (offsetT) 0, &the_insn.exp, the_insn.pcrel,
1401 the_insn.reloc, the_insn.field_selector,
1402 the_insn.format, the_insn.arg_reloc, NULL);
8f78d0e9 1403}
025b0302 1404
8f78d0e9 1405/* Do the real work for assembling a single instruction. Store results
dd2f509f 1406 into the global "the_insn" variable. */
025b0302
ME		 1407
1408static void
1409pa_ip (str)
1410 char *str;
1411{
1412 char *error_message = "";
8f78d0e9 1413 char *s, c, *argstart, *name, *save_s;
025b0302 1414 const char *args;
025b0302
ME		 1415 int match = FALSE;
1416 int comma = 0;
48153d49
JL		 1417 int cmpltr, nullif, flag, cond, num;
1418 unsigned long opcode;
8f78d0e9 1419 struct pa_opcode *insn;
025b0302 1420
60937ce7
JL		 1421 /* We must have a valid space and subspace. */
1422 pa_check_current_space_and_subspace ();
1423
8f78d0e9 1424 /* Skip to something interesting. */
025b0302
ME		 1425 for (s = str; isupper (*s) || islower (*s) || (*s >= '0' && *s <= '3'); ++s)
1426 ;
8f78d0e9 1427
025b0302
ME		 1428 switch (*s)
1429 {
1430
1431 case '\0':
1432 break;
1433
1434 case ',':
1435 comma = 1;
1436
8f78d0e9 1437 /*FALLTHROUGH */
025b0302
ME		 1438
1439 case ' ':
1440 *s++ = '\0';
1441 break;
1442
1443 default:
48401fcf 1444 as_fatal (_("Unknown opcode: `%s'"), str);
025b0302
ME		 1445 }
1446
1447 save_s = str;
1448
8f78d0e9 1449 /* Convert everything into lower case. */
025b0302
ME		 1450 while (*save_s)
1451 {
1452 if (isupper (*save_s))
1453 *save_s = tolower (*save_s);
1454 save_s++;
1455 }
1456
8f78d0e9 1457 /* Look up the opcode in the has table. */
025b0302
ME		 1458 if ((insn = (struct pa_opcode *) hash_find (op_hash, str)) == NULL)
1459 {
1460 as_bad ("Unknown opcode: `%s'", str);
1461 return;
1462 }
8f78d0e9 1463
025b0302
ME		 1464 if (comma)
1465 {
1466 *--s = ',';
1467 }
8f78d0e9
KR		 1468
1469 /* Mark the location where arguments for the instruction start, then
1470 start processing them. */
1471 argstart = s;
025b0302
ME		 1472 for (;;)
1473 {
8f78d0e9 1474 /* Do some initialization. */
025b0302
ME		 1475 opcode = insn->match;
1476 bzero (&the_insn, sizeof (the_insn));
8f78d0e9 1477
025b0302 1478 the_insn.reloc = R_HPPA_NONE;
8f78d0e9 1479
4829cd65
JL		 1480 /* If this instruction is specific to a particular architecture,
1481 then set a new architecture. */
1482 if (bfd_get_mach (stdoutput) < insn->arch)
1483 {
1484 if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, insn->arch))
48401fcf 1485 as_warn (_("could not update architecture and machine"));
4829cd65
JL		 1486 }
1487
8f78d0e9
KR		 1488 /* Build the opcode, checking as we go to make
1489 sure that the operands match. */
025b0302
ME		 1490 for (args = insn->args;; ++args)
1491 {
025b0302
ME		 1492 switch (*args)
1493 {
1494
8f78d0e9
KR		 1495 /* End of arguments. */
1496 case '\0':
025b0302 1497 if (*s == '\0')
8f78d0e9 1498 match = TRUE;
025b0302
ME		 1499 break;
1500
1501 case '+':
1502 if (*s == '+')
1503 {
1504 ++s;
1505 continue;
1506 }
1507 if (*s == '-')
8f78d0e9 1508 continue;
025b0302
ME		 1509 break;
1510
8f78d0e9
KR		 1511 /* These must match exactly. */
1512 case '(':
025b0302
ME		 1513 case ')':
1514 case ',':
1515 case ' ':
1516 if (*s++ == *args)
1517 continue;
1518 break;
1519
8f78d0e9
KR		 1520 /* Handle a 5 bit register or control register field at 10. */
1521 case 'b':
1522 case '^':
48153d49
JL		 1523 num = pa_parse_number (&s, 0);
1524 CHECK_FIELD (num, 31, 0, 0);
1525 INSERT_FIELD_AND_CONTINUE (opcode, num, 21);
8f78d0e9
KR		 1526
1527 /* Handle a 5 bit register field at 15. */
1528 case 'x':
48153d49
JL		 1529 num = pa_parse_number (&s, 0);
1530 CHECK_FIELD (num, 31, 0, 0);
1531 INSERT_FIELD_AND_CONTINUE (opcode, num, 16);
5cf4cd1b 1532
8f78d0e9
KR		 1533 /* Handle a 5 bit register field at 31. */
1534 case 'y':
1535 case 't':
48153d49
JL		 1536 num = pa_parse_number (&s, 0);
1537 CHECK_FIELD (num, 31, 0, 0);
1538 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
8f78d0e9
KR		 1539
1540 /* Handle a 5 bit field length at 31. */
1541 case 'T':
48153d49
JL		 1542 num = pa_get_absolute_expression (&the_insn, &s);
1543 s = expr_end;
1544 CHECK_FIELD (num, 32, 1, 0);
1545 INSERT_FIELD_AND_CONTINUE (opcode, 32 - num, 0);
8f78d0e9
KR		 1546
1547 /* Handle a 5 bit immediate at 15. */
1548 case '5':
48153d49
JL		 1549 num = pa_get_absolute_expression (&the_insn, &s);
1550 s = expr_end;
1551 CHECK_FIELD (num, 15, -16, 0);
1552 low_sign_unext (num, 5, &num);
1553 INSERT_FIELD_AND_CONTINUE (opcode, num, 16);
025b0302 1554
48153d49
JL		 1555 /* Handle a 5 bit immediate at 31. */
1556 case 'V':
1557 num = pa_get_absolute_expression (&the_insn, &s);
025b0302 1558 s = expr_end;
48153d49 1559 CHECK_FIELD (num, 15, -16, 0)
c5e9ccd0 1560 low_sign_unext (num, 5, &num);
48153d49
JL		 1561 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
1562
1563 /* Handle an unsigned 5 bit immediate at 31. */
1564 case 'r':
1565 num = pa_get_absolute_expression (&the_insn, &s);
1566 s = expr_end;
1567 CHECK_FIELD (num, 31, 0, 0);
1568 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
1569
1570 /* Handle an unsigned 5 bit immediate at 15. */
1571 case 'R':
1572 num = pa_get_absolute_expression (&the_insn, &s);
1573 s = expr_end;
1574 CHECK_FIELD (num, 31, 0, 0);
1575 INSERT_FIELD_AND_CONTINUE (opcode, num, 16);
025b0302 1576
8f78d0e9
KR		 1577 /* Handle a 2 bit space identifier at 17. */
1578 case 's':
48153d49
JL		 1579 num = pa_parse_number (&s, 0);
1580 CHECK_FIELD (num, 3, 0, 1);
1581 INSERT_FIELD_AND_CONTINUE (opcode, num, 14);
8f78d0e9
KR		 1582
1583 /* Handle a 3 bit space identifier at 18. */
1584 case 'S':
48153d49
JL		 1585 num = pa_parse_number (&s, 0);
1586 CHECK_FIELD (num, 7, 0, 1);
1587 dis_assemble_3 (num, &num);
1588 INSERT_FIELD_AND_CONTINUE (opcode, num, 13);
8f78d0e9
KR		 1589
1590 /* Handle a completer for an indexing load or store. */
1591 case 'c':
48153d49
JL		 1592 {
1593 int uu = 0;
1594 int m = 0;
1595 int i = 0;
1596 while (*s == ',' && i < 2)
1597 {
1598 s++;
1599 if (strncasecmp (s, "sm", 2) == 0)
1600 {
1601 uu = 1;
1602 m = 1;
1603 s++;
1604 i++;
1605 }
1606 else if (strncasecmp (s, "m", 1) == 0)
025b0302 1607 m = 1;
48153d49
JL		 1608 else if (strncasecmp (s, "s", 1) == 0)
1609 uu = 1;
1610 else
48401fcf 1611 as_bad (_("Invalid Indexed Load Completer."));
48153d49
JL		 1612 s++;
1613 i++;
1614 }
1615 if (i > 2)
48401fcf 1616 as_bad (_("Invalid Indexed Load Completer Syntax."));
48153d49
JL		 1617 opcode |= m << 5;
1618 INSERT_FIELD_AND_CONTINUE (opcode, uu, 13);
1619 }
8f78d0e9
KR		 1620
1621 /* Handle a short load/store completer. */
1622 case 'C':
48153d49
JL		 1623 {
1624 int a = 0;
1625 int m = 0;
1626 if (*s == ',')
1627 {
1628 s++;
1629 if (strncasecmp (s, "ma", 2) == 0)
1630 {
1631 a = 0;
1632 m = 1;
1633 }
1634 else if (strncasecmp (s, "mb", 2) == 0)
1635 {
1636 a = 1;
1637 m = 1;
1638 }
1639 else
48401fcf 1640 as_bad (_("Invalid Short Load/Store Completer."));
48153d49
JL		 1641 s += 2;
1642 }
1643 opcode |= m << 5;
1644 INSERT_FIELD_AND_CONTINUE (opcode, a, 13);
1645 }
8f78d0e9
KR		 1646
1647 /* Handle a stbys completer. */
1648 case 'Y':
48153d49
JL		 1649 {
1650 int a = 0;
1651 int m = 0;
1652 int i = 0;
1653 while (*s == ',' && i < 2)
1654 {
1655 s++;
1656 if (strncasecmp (s, "m", 1) == 0)
1657 m = 1;
1658 else if (strncasecmp (s, "b", 1) == 0)
1659 a = 0;
1660 else if (strncasecmp (s, "e", 1) == 0)
1661 a = 1;
1662 else
48401fcf 1663 as_bad (_("Invalid Store Bytes Short Completer"));
48153d49
JL		 1664 s++;
1665 i++;
1666 }
1667 if (i > 2)
48401fcf 1668 as_bad (_("Invalid Store Bytes Short Completer"));
48153d49
JL		 1669 opcode |= m << 5;
1670 INSERT_FIELD_AND_CONTINUE (opcode, a, 13);
1671 }
8f78d0e9
KR		 1672
1673 /* Handle a non-negated compare/stubtract condition. */
1674 case '<':
5cf4cd1b 1675 cmpltr = pa_parse_nonneg_cmpsub_cmpltr (&s, 1);
025b0302
ME		 1676 if (cmpltr < 0)
1677 {
48401fcf 1678 as_bad (_("Invalid Compare/Subtract Condition: %c"), *s);
025b0302
ME		 1679 cmpltr = 0;
1680 }
48153d49 1681 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13);
8f78d0e9
KR		 1682
1683 /* Handle a negated or non-negated compare/subtract condition. */
1684 case '?':
025b0302 1685 save_s = s;
5cf4cd1b 1686 cmpltr = pa_parse_nonneg_cmpsub_cmpltr (&s, 1);
025b0302
ME		 1687 if (cmpltr < 0)
1688 {
1689 s = save_s;
5cf4cd1b 1690 cmpltr = pa_parse_neg_cmpsub_cmpltr (&s, 1);
025b0302
ME		 1691 if (cmpltr < 0)
1692 {
48401fcf 1693 as_bad (_("Invalid Compare/Subtract Condition."));
025b0302
ME		 1694 cmpltr = 0;
1695 }
1696 else
1697 {
8f78d0e9
KR		 1698 /* Negated condition requires an opcode change. */
1699 opcode |= 1 << 27;
025b0302
ME		 1700 }
1701 }
48153d49 1702 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13);
8f78d0e9 1703
e03095c9 1704 /* Handle non-negated add condition. */
8f78d0e9 1705 case '!':
e03095c9
JL		 1706 cmpltr = pa_parse_nonneg_add_cmpltr (&s, 1);
1707 if (cmpltr < 0)
1708 {
48401fcf 1709 as_bad (_("Invalid Compare/Subtract Condition: %c"), *s);
e03095c9
JL		 1710 cmpltr = 0;
1711 }
1712 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13);
1713
1714 /* Handle a negated or non-negated add condition. */
1715 case '@':
025b0302 1716 save_s = s;
5cf4cd1b 1717 cmpltr = pa_parse_nonneg_add_cmpltr (&s, 1);
025b0302
ME		 1718 if (cmpltr < 0)
1719 {
1720 s = save_s;
5cf4cd1b 1721 cmpltr = pa_parse_neg_add_cmpltr (&s, 1);
025b0302
ME		 1722 if (cmpltr < 0)
1723 {
48401fcf 1724 as_bad (_("Invalid Compare/Subtract Condition"));
025b0302
ME		 1725 cmpltr = 0;
1726 }
1727 else
1728 {
8f78d0e9
KR		 1729 /* Negated condition requires an opcode change. */
1730 opcode |= 1 << 27;
025b0302
ME		 1731 }
1732 }
48153d49 1733 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13);
8f78d0e9
KR		 1734
1735 /* Handle a compare/subtract condition. */
1736 case 'a':
025b0302 1737 cmpltr = 0;
8f78d0e9 1738 flag = 0;
025b0302
ME		 1739 save_s = s;
1740 if (*s == ',')
1741 {
5cf4cd1b 1742 cmpltr = pa_parse_nonneg_cmpsub_cmpltr (&s, 0);
025b0302
ME		 1743 if (cmpltr < 0)
1744 {
8f78d0e9 1745 flag = 1;
025b0302 1746 s = save_s;
5cf4cd1b 1747 cmpltr = pa_parse_neg_cmpsub_cmpltr (&s, 0);
025b0302
ME		 1748 if (cmpltr < 0)
1749 {
48401fcf 1750 as_bad (_("Invalid Compare/Subtract Condition"));
025b0302
ME		 1751 }
1752 }
1753 }
1754 opcode |= cmpltr << 13;
48153d49 1755 INSERT_FIELD_AND_CONTINUE (opcode, flag, 12);
8f78d0e9
KR		 1756
1757 /* Handle a non-negated add condition. */
1758 case 'd':
025b0302
ME		 1759 cmpltr = 0;
1760 nullif = 0;
1761 flag = 0;
1762 if (*s == ',')
1763 {
1764 s++;
1765 name = s;
1766 while (*s != ',' && *s != ' ' && *s != '\t')
1767 s += 1;
1768 c = *s;
1769 *s = 0x00;
1770 if (strcmp (name, "=") == 0)
8f78d0e9 1771 cmpltr = 1;
025b0302 1772 else if (strcmp (name, "<") == 0)
8f78d0e9 1773 cmpltr = 2;
025b0302 1774 else if (strcmp (name, "<=") == 0)
8f78d0e9 1775 cmpltr = 3;
025b0302 1776 else if (strcasecmp (name, "nuv") == 0)
8f78d0e9 1777 cmpltr = 4;
025b0302 1778 else if (strcasecmp (name, "znv") == 0)
8f78d0e9 1779 cmpltr = 5;
025b0302 1780 else if (strcasecmp (name, "sv") == 0)
8f78d0e9 1781 cmpltr = 6;
025b0302 1782 else if (strcasecmp (name, "od") == 0)
8f78d0e9 1783 cmpltr = 7;
025b0302 1784 else if (strcasecmp (name, "n") == 0)
8f78d0e9 1785 nullif = 1;
025b0302
ME		 1786 else if (strcasecmp (name, "tr") == 0)
1787 {
1788 cmpltr = 0;
1789 flag = 1;
1790 }
4047ff1d 1791 else if (strcmp (name, "<>") == 0)
025b0302
ME		 1792 {
1793 cmpltr = 1;
1794 flag = 1;
1795 }
4047ff1d 1796 else if (strcmp (name, ">=") == 0)
025b0302
ME		 1797 {
1798 cmpltr = 2;
1799 flag = 1;
1800 }
4047ff1d 1801 else if (strcmp (name, ">") == 0)
025b0302
ME		 1802 {
1803 cmpltr = 3;
1804 flag = 1;
1805 }
1806 else if (strcasecmp (name, "uv") == 0)
1807 {
1808 cmpltr = 4;
1809 flag = 1;
1810 }
1811 else if (strcasecmp (name, "vnz") == 0)
1812 {
1813 cmpltr = 5;
1814 flag = 1;
1815 }
1816 else if (strcasecmp (name, "nsv") == 0)
1817 {
1818 cmpltr = 6;
1819 flag = 1;
1820 }
1821 else if (strcasecmp (name, "ev") == 0)
1822 {
1823 cmpltr = 7;
1824 flag = 1;
1825 }
1826 else
48401fcf 1827 as_bad (_("Invalid Add Condition: %s"), name);
025b0302
ME		 1828 *s = c;
1829 }
1830 nullif = pa_parse_nullif (&s);
1831 opcode |= nullif << 1;
1832 opcode |= cmpltr << 13;
48153d49 1833 INSERT_FIELD_AND_CONTINUE (opcode, flag, 12);
8f78d0e9 1834
48153d49 1835 /* HANDLE a logical instruction condition. */
8f78d0e9 1836 case '&':
025b0302 1837 cmpltr = 0;
8f78d0e9 1838 flag = 0;
025b0302
ME		 1839 if (*s == ',')
1840 {
1841 s++;
1842 name = s;
1843 while (*s != ',' && *s != ' ' && *s != '\t')
1844 s += 1;
1845 c = *s;
1846 *s = 0x00;
1847 if (strcmp (name, "=") == 0)
8f78d0e9 1848 cmpltr = 1;
025b0302 1849 else if (strcmp (name, "<") == 0)
8f78d0e9 1850 cmpltr = 2;
025b0302 1851 else if (strcmp (name, "<=") == 0)
8f78d0e9 1852 cmpltr = 3;
025b0302 1853 else if (strcasecmp (name, "od") == 0)
8f78d0e9 1854 cmpltr = 7;
025b0302
ME		 1855 else if (strcasecmp (name, "tr") == 0)
1856 {
1857 cmpltr = 0;
8f78d0e9 1858 flag = 1;
025b0302
ME		 1859 }
1860 else if (strcmp (name, "<>") == 0)
1861 {
1862 cmpltr = 1;
8f78d0e9 1863 flag = 1;
025b0302
ME		 1864 }
1865 else if (strcmp (name, ">=") == 0)
1866 {
1867 cmpltr = 2;
8f78d0e9 1868 flag = 1;
025b0302
ME		 1869 }
1870 else if (strcmp (name, ">") == 0)
1871 {
1872 cmpltr = 3;
8f78d0e9 1873 flag = 1;
025b0302
ME		 1874 }
1875 else if (strcasecmp (name, "ev") == 0)
1876 {
1877 cmpltr = 7;
8f78d0e9 1878 flag = 1;
025b0302
ME		 1879 }
1880 else
48401fcf 1881 as_bad (_("Invalid Logical Instruction Condition."));
025b0302
ME		 1882 *s = c;
1883 }
1884 opcode |= cmpltr << 13;
48153d49 1885 INSERT_FIELD_AND_CONTINUE (opcode, flag, 12);
8f78d0e9
KR		 1886
1887 /* Handle a unit instruction condition. */
1888 case 'U':
025b0302 1889 cmpltr = 0;
8f78d0e9 1890 flag = 0;
025b0302
ME		 1891 if (*s == ',')
1892 {
1893 s++;
1894 if (strncasecmp (s, "sbz", 3) == 0)
1895 {
1896 cmpltr = 2;
1897 s += 3;
1898 }
1899 else if (strncasecmp (s, "shz", 3) == 0)
1900 {
1901 cmpltr = 3;
1902 s += 3;
1903 }
1904 else if (strncasecmp (s, "sdc", 3) == 0)
1905 {
1906 cmpltr = 4;
1907 s += 3;
1908 }
1909 else if (strncasecmp (s, "sbc", 3) == 0)
1910 {
1911 cmpltr = 6;
1912 s += 3;
1913 }
1914 else if (strncasecmp (s, "shc", 3) == 0)
1915 {
1916 cmpltr = 7;
1917 s += 3;
1918 }
1919 else if (strncasecmp (s, "tr", 2) == 0)
1920 {
1921 cmpltr = 0;
8f78d0e9 1922 flag = 1;
025b0302
ME		 1923 s += 2;
1924 }
1925 else if (strncasecmp (s, "nbz", 3) == 0)
1926 {
1927 cmpltr = 2;
8f78d0e9 1928 flag = 1;
025b0302
ME		 1929 s += 3;
1930 }
1931 else if (strncasecmp (s, "nhz", 3) == 0)
1932 {
1933 cmpltr = 3;
8f78d0e9 1934 flag = 1;
025b0302
ME		 1935 s += 3;
1936 }
1937 else if (strncasecmp (s, "ndc", 3) == 0)
1938 {
1939 cmpltr = 4;
8f78d0e9 1940 flag = 1;
025b0302
ME		 1941 s += 3;
1942 }
1943 else if (strncasecmp (s, "nbc", 3) == 0)
1944 {
1945 cmpltr = 6;
8f78d0e9 1946 flag = 1;
025b0302
ME		 1947 s += 3;
1948 }
1949 else if (strncasecmp (s, "nhc", 3) == 0)
1950 {
1951 cmpltr = 7;
8f78d0e9 1952 flag = 1;
025b0302
ME		 1953 s += 3;
1954 }
1955 else
48401fcf 1956 as_bad (_("Invalid Logical Instruction Condition."));
025b0302
ME		 1957 }
1958 opcode |= cmpltr << 13;
48153d49 1959 INSERT_FIELD_AND_CONTINUE (opcode, flag, 12);
8f78d0e9
KR		 1960
1961 /* Handle a shift/extract/deposit condition. */
1962 case '|':
1963 case '>':
025b0302
ME		 1964 cmpltr = 0;
1965 if (*s == ',')
1966 {
8f78d0e9 1967 save_s = s++;
025b0302
ME		 1968 name = s;
1969 while (*s != ',' && *s != ' ' && *s != '\t')
1970 s += 1;
1971 c = *s;
1972 *s = 0x00;
1973 if (strcmp (name, "=") == 0)
8f78d0e9 1974 cmpltr = 1;
025b0302 1975 else if (strcmp (name, "<") == 0)
8f78d0e9 1976 cmpltr = 2;
025b0302 1977 else if (strcasecmp (name, "od") == 0)
8f78d0e9 1978 cmpltr = 3;
025b0302 1979 else if (strcasecmp (name, "tr") == 0)
8f78d0e9 1980 cmpltr = 4;
025b0302 1981 else if (strcmp (name, "<>") == 0)
8f78d0e9 1982 cmpltr = 5;
025b0302 1983 else if (strcmp (name, ">=") == 0)
8f78d0e9 1984 cmpltr = 6;
025b0302 1985 else if (strcasecmp (name, "ev") == 0)
8f78d0e9 1986 cmpltr = 7;
75c28b49 1987 /* Handle movb,n. Put things back the way they were.
5cf4cd1b
KR		 1988 This includes moving s back to where it started. */
1989 else if (strcasecmp (name, "n") == 0 && *args == '|')
1990 {
1991 *s = c;
1992 s = save_s;
1993 continue;
1994 }
025b0302 1995 else
48401fcf 1996 as_bad (_("Invalid Shift/Extract/Deposit Condition."));
025b0302
ME		 1997 *s = c;
1998 }
48153d49 1999 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13);
8f78d0e9
KR		 2000
2001 /* Handle bvb and bb conditions. */
2002 case '~':
025b0302
ME		 2003 cmpltr = 0;
2004 if (*s == ',')
2005 {
2006 s++;
2007 if (strncmp (s, "<", 1) == 0)
2008 {
2009 cmpltr = 2;
2010 s++;
2011 }
2012 else if (strncmp (s, ">=", 2) == 0)
2013 {
2014 cmpltr = 6;
2015 s += 2;
2016 }
2017 else
48401fcf 2018 as_bad (_("Invalid Bit Branch Condition: %c"), *s);
025b0302 2019 }
48153d49 2020 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13);
8f78d0e9 2021
48153d49
JL		 2022 /* Handle a system control completer. */
2023 case 'Z':
2024 if (*s == ',' && (*(s + 1) == 'm' || *(s + 1) == 'M'))
025b0302 2025 {
48153d49
JL		 2026 flag = 1;
2027 s += 2;
025b0302 2028 }
48153d49
JL		 2029 else
2030 flag = 0;
8f78d0e9 2031
48153d49
JL		 2032 INSERT_FIELD_AND_CONTINUE (opcode, flag, 5);
2033
2034 /* Handle a nullification completer for branch instructions. */
2035 case 'n':
2036 nullif = pa_parse_nullif (&s);
2037 INSERT_FIELD_AND_CONTINUE (opcode, nullif, 1);
8f78d0e9 2038
d0286a21
JL		 2039 /* Handle a nullification completer for copr and spop insns. */
2040 case 'N':
2041 nullif = pa_parse_nullif (&s);
2042 INSERT_FIELD_AND_CONTINUE (opcode, nullif, 5);
2043
8f78d0e9
KR		 2044 /* Handle a 11 bit immediate at 31. */
2045 case 'i':
2046 the_insn.field_selector = pa_chk_field_selector (&s);
2047 get_expression (s);
48153d49 2048 s = expr_end;
5cf4cd1b 2049 if (the_insn.exp.X_op == O_constant)
025b0302 2050 {
48153d49
JL		 2051 num = evaluate_absolute (&the_insn);
2052 CHECK_FIELD (num, 1023, -1024, 0);
2053 low_sign_unext (num, 11, &num);
2054 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
025b0302
ME		 2055 }
2056 else
2057 {
025b0302
ME		 2058 if (is_DP_relative (the_insn.exp))
2059 the_insn.reloc = R_HPPA_GOTOFF;
2060 else if (is_PC_relative (the_insn.exp))
2061 the_insn.reloc = R_HPPA_PCREL_CALL;
025b0302
ME		 2062 else
2063 the_insn.reloc = R_HPPA;
2064 the_insn.format = 11;
48153d49 2065 continue;
025b0302 2066 }
8f78d0e9
KR		 2067
2068 /* Handle a 14 bit immediate at 31. */
2069 case 'j':
025b0302 2070 the_insn.field_selector = pa_chk_field_selector (&s);
8f78d0e9 2071 get_expression (s);
48153d49 2072 s = expr_end;
5cf4cd1b 2073 if (the_insn.exp.X_op == O_constant)
025b0302 2074 {
48153d49
JL		 2075 num = evaluate_absolute (&the_insn);
2076 CHECK_FIELD (num, 8191, -8192, 0);
2077 low_sign_unext (num, 14, &num);
2078 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
025b0302
ME		 2079 }
2080 else
2081 {
2082 if (is_DP_relative (the_insn.exp))
2083 the_insn.reloc = R_HPPA_GOTOFF;
2084 else if (is_PC_relative (the_insn.exp))
2085 the_insn.reloc = R_HPPA_PCREL_CALL;
025b0302
ME		 2086 else
2087 the_insn.reloc = R_HPPA;
2088 the_insn.format = 14;
48153d49 2089 continue;
025b0302 2090 }
025b0302 2091
8f78d0e9
KR		 2092 /* Handle a 21 bit immediate at 31. */
2093 case 'k':
2094 the_insn.field_selector = pa_chk_field_selector (&s);
2095 get_expression (s);
48153d49 2096 s = expr_end;
5cf4cd1b 2097 if (the_insn.exp.X_op == O_constant)
025b0302 2098 {
48153d49 2099 num = evaluate_absolute (&the_insn);
c5e9ccd0 2100 CHECK_FIELD (num >> 11, 1048575, -1048576, 0);
48153d49
JL		 2101 dis_assemble_21 (num, &num);
2102 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
025b0302
ME		 2103 }
2104 else
2105 {
025b0302
ME		 2106 if (is_DP_relative (the_insn.exp))
2107 the_insn.reloc = R_HPPA_GOTOFF;
2108 else if (is_PC_relative (the_insn.exp))
2109 the_insn.reloc = R_HPPA_PCREL_CALL;
025b0302
ME		 2110 else
2111 the_insn.reloc = R_HPPA;
2112 the_insn.format = 21;
48153d49 2113 continue;
025b0302 2114 }
8f78d0e9
KR		 2115
2116 /* Handle a 12 bit branch displacement. */
2117 case 'w':
2118 the_insn.field_selector = pa_chk_field_selector (&s);
2119 get_expression (s);
48153d49 2120 s = expr_end;
025b0302 2121 the_insn.pcrel = 1;
48153d49 2122 if (!strcmp (S_GET_NAME (the_insn.exp.X_add_symbol), "L$0\001"))
025b0302
ME		 2123 {
2124 unsigned int w1, w, result;
2125
48153d49
JL		 2126 num = evaluate_absolute (&the_insn);
2127 if (num % 4)
2128 {
48401fcf 2129 as_bad (_("Branch to unaligned address"));
48153d49
JL		 2130 break;
2131 }
83b59013 2132 CHECK_FIELD (num, 8199, -8184, 0);
48153d49 2133 sign_unext ((num - 8) >> 2, 12, &result);
025b0302 2134 dis_assemble_12 (result, &w1, &w);
48153d49 2135 INSERT_FIELD_AND_CONTINUE (opcode, ((w1 << 2) | w), 0);
025b0302
ME		 2136 }
2137 else
2138 {
3315c7c7 2139 the_insn.reloc = R_HPPA_PCREL_CALL;
025b0302
ME		 2140 the_insn.format = 12;
2141 the_insn.arg_reloc = last_call_desc.arg_reloc;
8f78d0e9 2142 bzero (&last_call_desc, sizeof (struct call_desc));
48153d49
JL		 2143 s = expr_end;
2144 continue;
025b0302 2145 }
8f78d0e9
KR		 2146
2147 /* Handle a 17 bit branch displacement. */
2148 case 'W':
025b0302 2149 the_insn.field_selector = pa_chk_field_selector (&s);
8f78d0e9 2150 get_expression (s);
48153d49 2151 s = expr_end;
025b0302 2152 the_insn.pcrel = 1;
c5e9ccd0 2153 if (!the_insn.exp.X_add_symbol
48153d49
JL		 2154 || !strcmp (S_GET_NAME (the_insn.exp.X_add_symbol),
2155 "L$0\001"))
025b0302 2156 {
48153d49 2157 unsigned int w2, w1, w, result;
025b0302 2158
48153d49
JL		 2159 num = evaluate_absolute (&the_insn);
2160 if (num % 4)
025b0302 2161 {
48401fcf 2162 as_bad (_("Branch to unaligned address"));
48153d49 2163 break;
025b0302 2164 }
48153d49
JL		 2165 CHECK_FIELD (num, 262143, -262144, 0);
2166
2167 if (the_insn.exp.X_add_symbol)
2168 num -= 8;
2169
2170 sign_unext (num >> 2, 17, &result);
2171 dis_assemble_17 (result, &w1, &w2, &w);
2172 INSERT_FIELD_AND_CONTINUE (opcode,
c5e9ccd0 2173 ((w2 << 2) | (w1 << 16) | w), 0);
025b0302
ME		 2174 }
2175 else
2176 {
3315c7c7 2177 the_insn.reloc = R_HPPA_PCREL_CALL;
48153d49
JL		 2178 the_insn.format = 17;
2179 the_insn.arg_reloc = last_call_desc.arg_reloc;
2180 bzero (&last_call_desc, sizeof (struct call_desc));
2181 continue;
025b0302 2182 }
8f78d0e9
KR		 2183
2184 /* Handle an absolute 17 bit branch target. */
2185 case 'z':
025b0302 2186 the_insn.field_selector = pa_chk_field_selector (&s);
8f78d0e9 2187 get_expression (s);
48153d49 2188 s = expr_end;
025b0302 2189 the_insn.pcrel = 0;
c5e9ccd0 2190 if (!the_insn.exp.X_add_symbol
48153d49
JL		 2191 || !strcmp (S_GET_NAME (the_insn.exp.X_add_symbol),
2192 "L$0\001"))
025b0302 2193 {
48153d49 2194 unsigned int w2, w1, w, result;
c5e9ccd0 2195
48153d49
JL		 2196 num = evaluate_absolute (&the_insn);
2197 if (num % 4)
025b0302 2198 {
48401fcf 2199 as_bad (_("Branch to unaligned address"));
48153d49 2200 break;
025b0302 2201 }
48153d49
JL		 2202 CHECK_FIELD (num, 262143, -262144, 0);
2203
2204 if (the_insn.exp.X_add_symbol)
2205 num -= 8;
2206
2207 sign_unext (num >> 2, 17, &result);
2208 dis_assemble_17 (result, &w1, &w2, &w);
c5e9ccd0
JL		 2209 INSERT_FIELD_AND_CONTINUE (opcode,
2210 ((w2 << 2) | (w1 << 16) | w), 0);
025b0302
ME		 2211 }
2212 else
2213 {
44e8d616 2214 the_insn.reloc = R_HPPA_ABS_CALL;
48153d49 2215 the_insn.format = 17;
2c23d22b
JL		 2216 the_insn.arg_reloc = last_call_desc.arg_reloc;
2217 bzero (&last_call_desc, sizeof (struct call_desc));
48153d49 2218 continue;
025b0302 2219 }
8f78d0e9
KR		 2220
2221 /* Handle a 5 bit shift count at 26. */
2222 case 'p':
48153d49 2223 num = pa_get_absolute_expression (&the_insn, &s);
025b0302 2224 s = expr_end;
48153d49
JL		 2225 CHECK_FIELD (num, 31, 0, 0);
2226 INSERT_FIELD_AND_CONTINUE (opcode, 31 - num, 5);
8f78d0e9
KR		 2227
2228 /* Handle a 5 bit bit position at 26. */
2229 case 'P':
48153d49 2230 num = pa_get_absolute_expression (&the_insn, &s);
025b0302 2231 s = expr_end;
48153d49
JL		 2232 CHECK_FIELD (num, 31, 0, 0);
2233 INSERT_FIELD_AND_CONTINUE (opcode, num, 5);
8f78d0e9
KR		 2234
2235 /* Handle a 5 bit immediate at 10. */
2236 case 'Q':
48153d49 2237 num = pa_get_absolute_expression (&the_insn, &s);
025b0302 2238 s = expr_end;
48153d49
JL		 2239 CHECK_FIELD (num, 31, 0, 0);
2240 INSERT_FIELD_AND_CONTINUE (opcode, num, 21);
8f78d0e9
KR		 2241
2242 /* Handle a 13 bit immediate at 18. */
2243 case 'A':
48153d49 2244 num = pa_get_absolute_expression (&the_insn, &s);
025b0302 2245 s = expr_end;
3315c7c7 2246 CHECK_FIELD (num, 8191, 0, 0);
48153d49 2247 INSERT_FIELD_AND_CONTINUE (opcode, num, 13);
8f78d0e9
KR		 2248
2249 /* Handle a 26 bit immediate at 31. */
2250 case 'D':
48153d49 2251 num = pa_get_absolute_expression (&the_insn, &s);
025b0302 2252 s = expr_end;
48153d49 2253 CHECK_FIELD (num, 671108864, 0, 0);
b4682e51 2254 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
8f78d0e9
KR		 2255
2256 /* Handle a 3 bit SFU identifier at 25. */
2257 case 'f':
51517966 2258 if (*s++ != ',')
48401fcf 2259 as_bad (_("Invalid SFU identifier"));
48153d49
JL		 2260 num = pa_get_absolute_expression (&the_insn, &s);
2261 s = expr_end;
2262 CHECK_FIELD (num, 7, 0, 0);
2263 INSERT_FIELD_AND_CONTINUE (opcode, num, 6);
8f78d0e9 2264
d0286a21 2265 /* Handle a 20 bit SOP field for spop0. */
8f78d0e9 2266 case 'O':
d0286a21 2267 num = pa_get_absolute_expression (&the_insn, &s);
025b0302 2268 s = expr_end;
d0286a21
JL		 2269 CHECK_FIELD (num, 1048575, 0, 0);
2270 num = (num & 0x1f) | ((num & 0x000fffe0) << 6);
2271 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
2272
2273 /* Handle a 15bit SOP field for spop1. */
2274 case 'o':
2275 num = pa_get_absolute_expression (&the_insn, &s);
2276 s = expr_end;
2277 CHECK_FIELD (num, 32767, 0, 0);
2278 INSERT_FIELD_AND_CONTINUE (opcode, num, 11);
2279
2280 /* Handle a 10bit SOP field for spop3. */
2281 case '0':
2282 num = pa_get_absolute_expression (&the_insn, &s);
2283 s = expr_end;
2284 CHECK_FIELD (num, 1023, 0, 0);
2285 num = (num & 0x1f) | ((num & 0x000003e0) << 6);
2286 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
2287
2288 /* Handle a 15 bit SOP field for spop2. */
2289 case '1':
2290 num = pa_get_absolute_expression (&the_insn, &s);
2291 s = expr_end;
2292 CHECK_FIELD (num, 32767, 0, 0);
2293 num = (num & 0x1f) | ((num & 0x00007fe0) << 6);
2294 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
2295
2296 /* Handle a 3-bit co-processor ID field. */
2297 case 'u':
51517966 2298 if (*s++ != ',')
48401fcf 2299 as_bad (_("Invalid COPR identifier"));
d0286a21
JL		 2300 num = pa_get_absolute_expression (&the_insn, &s);
2301 s = expr_end;
2302 CHECK_FIELD (num, 7, 0, 0);
2303 INSERT_FIELD_AND_CONTINUE (opcode, num, 6);
2304
2305 /* Handle a 22bit SOP field for copr. */
2306 case '2':
2307 num = pa_get_absolute_expression (&the_insn, &s);
2308 s = expr_end;
2309 CHECK_FIELD (num, 4194303, 0, 0);
2310 num = (num & 0x1f) | ((num & 0x003fffe0) << 4);
2311 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
8f78d0e9
KR		 2312
2313 /* Handle a source FP operand format completer. */
2314 case 'F':
2315 flag = pa_parse_fp_format (&s);
8f78d0e9 2316 the_insn.fpof1 = flag;
48153d49 2317 INSERT_FIELD_AND_CONTINUE (opcode, flag, 11);
8f78d0e9
KR		 2318
2319 /* Handle a destination FP operand format completer. */
2320 case 'G':
8f78d0e9
KR		 2321 /* pa_parse_format needs the ',' prefix. */
2322 s--;
2323 flag = pa_parse_fp_format (&s);
8f78d0e9 2324 the_insn.fpof2 = flag;
48153d49 2325 INSERT_FIELD_AND_CONTINUE (opcode, flag, 13);
8f78d0e9
KR		 2326
2327 /* Handle FP compare conditions. */
2328 case 'M':
025b0302 2329 cond = pa_parse_fp_cmp_cond (&s);
48153d49 2330 INSERT_FIELD_AND_CONTINUE (opcode, cond, 0);
025b0302 2331
8f78d0e9
KR		 2332 /* Handle L/R register halves like 't'. */
2333 case 'v':
025b0302 2334 {
4829cd65 2335 struct pa_11_fp_reg_struct result;
025b0302 2336
8f78d0e9 2337 pa_parse_number (&s, &result);
48153d49
JL		 2338 CHECK_FIELD (result.number_part, 31, 0, 0);
2339 opcode |= result.number_part;
025b0302 2340
48153d49
JL		 2341 /* 0x30 opcodes are FP arithmetic operation opcodes
2342 and need to be turned into 0x38 opcodes. This
2343 is not necessary for loads/stores. */
4829cd65 2344 if (need_pa11_opcode (&the_insn, &result)
48153d49
JL		 2345 && ((opcode & 0xfc000000) == 0x30000000))
2346 opcode |= 1 << 27;
2347
2348 INSERT_FIELD_AND_CONTINUE (opcode, result.l_r_select & 1, 6);
025b0302 2349 }
8f78d0e9
KR		 2350
2351 /* Handle L/R register halves like 'b'. */
2352 case 'E':
025b0302 2353 {
4829cd65 2354 struct pa_11_fp_reg_struct result;
025b0302 2355
8f78d0e9 2356 pa_parse_number (&s, &result);
48153d49
JL		 2357 CHECK_FIELD (result.number_part, 31, 0, 0);
2358 opcode |= result.number_part << 21;
4829cd65 2359 if (need_pa11_opcode (&the_insn, &result))
025b0302 2360 {
48153d49
JL		 2361 opcode |= (result.l_r_select & 1) << 7;
2362 opcode |= 1 << 27;
025b0302 2363 }
48153d49 2364 continue;
025b0302 2365 }
025b0302 2366
8f78d0e9
KR		 2367 /* Handle L/R register halves like 'x'. */
2368 case 'X':
025b0302 2369 {
4829cd65 2370 struct pa_11_fp_reg_struct result;
025b0302 2371
8f78d0e9 2372 pa_parse_number (&s, &result);
48153d49
JL		 2373 CHECK_FIELD (result.number_part, 31, 0, 0);
2374 opcode |= (result.number_part & 0x1f) << 16;
4829cd65 2375 if (need_pa11_opcode (&the_insn, &result))
025b0302 2376 {
48153d49
JL		 2377 opcode |= (result.l_r_select & 1) << 12;
2378 opcode |= 1 << 27;
025b0302 2379 }
48153d49 2380 continue;
025b0302 2381 }
025b0302 2382
8f78d0e9
KR		 2383 /* Handle a 5 bit register field at 10. */
2384 case '4':
025b0302 2385 {
4829cd65 2386 struct pa_11_fp_reg_struct result;
75c28b49 2387
48153d49
JL		 2388 pa_parse_number (&s, &result);
2389 CHECK_FIELD (result.number_part, 31, 0, 0);
2390 if (the_insn.fpof1 == SGL)
025b0302 2391 {
4ff6f92a
JL		 2392 if (result.number_part < 16)
2393 {
48401fcf 2394 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
4ff6f92a
JL		 2395 break;
2396 }
2397
48153d49
JL		 2398 result.number_part &= 0xF;
2399 result.number_part |= (result.l_r_select & 1) << 4;
025b0302 2400 }
48153d49 2401 INSERT_FIELD_AND_CONTINUE (opcode, result.number_part, 21);
025b0302 2402 }
025b0302 2403
8f78d0e9
KR		 2404 /* Handle a 5 bit register field at 15. */
2405 case '6':
025b0302 2406 {
4829cd65 2407 struct pa_11_fp_reg_struct result;
025b0302 2408
48153d49
JL		 2409 pa_parse_number (&s, &result);
2410 CHECK_FIELD (result.number_part, 31, 0, 0);
2411 if (the_insn.fpof1 == SGL)
025b0302 2412 {
4ff6f92a
JL		 2413 if (result.number_part < 16)
2414 {
48401fcf 2415 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
4ff6f92a
JL		 2416 break;
2417 }
48153d49
JL		 2418 result.number_part &= 0xF;
2419 result.number_part |= (result.l_r_select & 1) << 4;
025b0302 2420 }
48153d49 2421 INSERT_FIELD_AND_CONTINUE (opcode, result.number_part, 16);
025b0302 2422 }
025b0302 2423
8f78d0e9
KR		 2424 /* Handle a 5 bit register field at 31. */
2425 case '7':
025b0302 2426 {
4829cd65 2427 struct pa_11_fp_reg_struct result;
025b0302 2428
48153d49
JL		 2429 pa_parse_number (&s, &result);
2430 CHECK_FIELD (result.number_part, 31, 0, 0);
2431 if (the_insn.fpof1 == SGL)
025b0302 2432 {
4ff6f92a
JL		 2433 if (result.number_part < 16)
2434 {
48401fcf 2435 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
4ff6f92a
JL		 2436 break;
2437 }
48153d49
JL		 2438 result.number_part &= 0xF;
2439 result.number_part |= (result.l_r_select & 1) << 4;
025b0302 2440 }
48153d49 2441 INSERT_FIELD_AND_CONTINUE (opcode, result.number_part, 0);
025b0302 2442 }
025b0302 2443
8f78d0e9
KR		 2444 /* Handle a 5 bit register field at 20. */
2445 case '8':
025b0302 2446 {
4829cd65 2447 struct pa_11_fp_reg_struct result;
025b0302 2448
48153d49
JL		 2449 pa_parse_number (&s, &result);
2450 CHECK_FIELD (result.number_part, 31, 0, 0);
2451 if (the_insn.fpof1 == SGL)
025b0302 2452 {
4ff6f92a
JL		 2453 if (result.number_part < 16)
2454 {
48401fcf 2455 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
4ff6f92a
JL		 2456 break;
2457 }
48153d49
JL		 2458 result.number_part &= 0xF;
2459 result.number_part |= (result.l_r_select & 1) << 4;
025b0302 2460 }
48153d49 2461 INSERT_FIELD_AND_CONTINUE (opcode, result.number_part, 11);
025b0302 2462 }
025b0302 2463
8f78d0e9
KR		 2464 /* Handle a 5 bit register field at 25. */
2465 case '9':
025b0302 2466 {
4829cd65 2467 struct pa_11_fp_reg_struct result;
025b0302 2468
48153d49
JL		 2469 pa_parse_number (&s, &result);
2470 CHECK_FIELD (result.number_part, 31, 0, 0);
2471 if (the_insn.fpof1 == SGL)
025b0302 2472 {
4ff6f92a
JL		 2473 if (result.number_part < 16)
2474 {
48401fcf 2475 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
4ff6f92a
JL		 2476 break;
2477 }
48153d49
JL		 2478 result.number_part &= 0xF;
2479 result.number_part |= (result.l_r_select & 1) << 4;
025b0302 2480 }
48153d49 2481 INSERT_FIELD_AND_CONTINUE (opcode, result.number_part, 6);
025b0302 2482 }
025b0302 2483
8f78d0e9
KR		 2484 /* Handle a floating point operand format at 26.
2485 Only allows single and double precision. */
2486 case 'H':
2487 flag = pa_parse_fp_format (&s);
2488 switch (flag)
025b0302
ME		 2489 {
2490 case SGL:
2491 opcode |= 0x20;
2492 case DBL:
8f78d0e9 2493 the_insn.fpof1 = flag;
025b0302
ME		 2494 continue;
2495
2496 case QUAD:
2497 case ILLEGAL_FMT:
2498 default:
48401fcf 2499 as_bad (_("Invalid Floating Point Operand Format."));
025b0302
ME		 2500 }
2501 break;
2502
2503 default:
2504 abort ();
2505 }
2506 break;
2507 }
892a3ff1 2508
8f78d0e9 2509 /* Check if the args matched. */
025b0302
ME		 2510 if (match == FALSE)
2511 {
025b0302
ME		 2512 if (&insn[1] - pa_opcodes < NUMOPCODES
2513 && !strcmp (insn->name, insn[1].name))
2514 {
2515 ++insn;
8f78d0e9 2516 s = argstart;
025b0302
ME		 2517 continue;
2518 }
2519 else
2520 {
48401fcf 2521 as_bad (_("Invalid operands %s"), error_message);
025b0302
ME		 2522 return;
2523 }
2524 }
2525 break;
2526 }
2527
2528 the_insn.opcode = opcode;
025b0302
ME		 2529}
2530
8f78d0e9 2531/* Turn a string in input_line_pointer into a floating point constant of type
025b0302 2532 type, and store the appropriate bytes in *litP. The number of LITTLENUMS
8f78d0e9 2533 emitted is stored in *sizeP . An error message or NULL is returned. */
025b0302 2534
025b0302
ME		 2535#define MAX_LITTLENUMS 6
2536
2537char *
2538md_atof (type, litP, sizeP)
2539 char type;
2540 char *litP;
2541 int *sizeP;
2542{
2543 int prec;
2544 LITTLENUM_TYPE words[MAX_LITTLENUMS];
2545 LITTLENUM_TYPE *wordP;
2546 char *t;
025b0302
ME		 2547
2548 switch (type)
2549 {
2550
2551 case 'f':
2552 case 'F':
2553 case 's':
2554 case 'S':
2555 prec = 2;
2556 break;
2557
2558 case 'd':
2559 case 'D':
2560 case 'r':
2561 case 'R':
2562 prec = 4;
2563 break;
2564
2565 case 'x':
2566 case 'X':
2567 prec = 6;
2568 break;
2569
2570 case 'p':
2571 case 'P':
2572 prec = 6;
2573 break;
2574
2575 default:
2576 *sizeP = 0;
48401fcf 2577 return _("Bad call to MD_ATOF()");
025b0302
ME		 2578 }
2579 t = atof_ieee (input_line_pointer, type, words);
2580 if (t)
2581 input_line_pointer = t;
2582 *sizeP = prec * sizeof (LITTLENUM_TYPE);
2583 for (wordP = words; prec--;)
2584 {
8f78d0e9 2585 md_number_to_chars (litP, (valueT) (*wordP++), sizeof (LITTLENUM_TYPE));
025b0302
ME		 2586 litP += sizeof (LITTLENUM_TYPE);
2587 }
aa8b30ed 2588 return NULL;
025b0302
ME		 2589}
2590
8f78d0e9
KR		 2591/* Write out big-endian. */
2592
025b0302
ME		 2593void
2594md_number_to_chars (buf, val, n)
2595 char *buf;
2596 valueT val;
2597 int n;
2598{
bfbfba45 2599 number_to_chars_bigendian (buf, val, n);
025b0302
ME		 2600}
2601
025b0302 2602/* Translate internal representation of relocation info to BFD target
62f0841b 2603 format. */
8f78d0e9 2604
025b0302
ME		 2605arelent **
2606tc_gen_reloc (section, fixp)
2607 asection *section;
2608 fixS *fixp;
2609{
2610 arelent *reloc;
fb338f1d 2611 struct hppa_fix_struct *hppa_fixp;
025b0302 2612 bfd_reloc_code_real_type code;
025b0302
ME		 2613 static arelent *no_relocs = NULL;
2614 arelent **relocs;
2615 bfd_reloc_code_real_type **codes;
2616 int n_relocs;
2617 int i;
2618
fb338f1d 2619 hppa_fixp = (struct hppa_fix_struct *) fixp->tc_fix_data;
025b0302
ME		 2620 if (fixp->fx_addsy == 0)
2621 return &no_relocs;
2622 assert (hppa_fixp != 0);
2623 assert (section != 0);
2624
5c11dba2 2625 reloc = (arelent *) xmalloc (sizeof (arelent));
025b0302
ME		 2626
2627 reloc->sym_ptr_ptr = &fixp->fx_addsy->bsym;
907f11fe 2628 codes = (bfd_reloc_code_real_type **) hppa_gen_reloc_type (stdoutput,
aa8b30ed
JL		 2629 fixp->fx_r_type,
2630 hppa_fixp->fx_r_format,
249c7415 2631 hppa_fixp->fx_r_field,
ac866582
JL		 2632 fixp->fx_subsy != NULL,
2633 fixp->fx_addsy->bsym);
025b0302 2634
5c11dba2
ILT		 2635 if (codes == NULL)
2636 abort ();
2637
025b0302
ME		 2638 for (n_relocs = 0; codes[n_relocs]; n_relocs++)
2639 ;
2640
5c11dba2
ILT		 2641 relocs = (arelent **) xmalloc (sizeof (arelent *) * n_relocs + 1);
2642 reloc = (arelent *) xmalloc (sizeof (arelent) * n_relocs);
025b0302
ME		 2643 for (i = 0; i < n_relocs; i++)
2644 relocs[i] = &reloc[i];
2645
2646 relocs[n_relocs] = NULL;
2647
62f0841b 2648#ifdef OBJ_ELF
025b0302
ME		 2649 switch (fixp->fx_r_type)
2650 {
025b0302
ME		 2651 default:
2652 assert (n_relocs == 1);
2653
2654 code = *codes[0];
2655
2656 reloc->sym_ptr_ptr = &fixp->fx_addsy->bsym;
2657 reloc->howto = bfd_reloc_type_lookup (stdoutput, code);
60937ce7 2658 reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
025b0302
ME		 2659 reloc->addend = 0; /* default */
2660
2661 assert (reloc->howto && code == reloc->howto->type);
2662
8f78d0e9 2663 /* Now, do any processing that is dependent on the relocation type. */
025b0302
ME		 2664 switch (code)
2665 {
8fd04cba
JL		 2666 case R_PARISC_DLTREL21L:
2667 case R_PARISC_DLTREL14R:
2668 case R_PARISC_DLTREL14F:
3315c7c7
JL		 2669 case R_PARISC_PLABEL32:
2670 case R_PARISC_PLABEL21L:
2671 case R_PARISC_PLABEL14R:
8f78d0e9
KR		 2672 /* For plabel relocations, the addend of the
2673 relocation should be either 0 (no static link) or 2
2674 (static link required).
2675
8fd04cba
JL		 2676 FIXME: We always assume no static link!
2677
2678 We also slam a zero addend into the DLT relative relocs;
2679 it doesn't make a lot of sense to use any addend since
2680 it gets you a different (eg unknown) DLT entry. */
7b624bf2 2681 reloc->addend = 0;
025b0302
ME		 2682 break;
2683
3315c7c7
JL		 2684 case R_PARISC_PCREL21L:
2685 case R_PARISC_PCREL17R:
2686 case R_PARISC_PCREL17F:
2687 case R_PARISC_PCREL17C:
2688 case R_PARISC_PCREL14R:
2689 case R_PARISC_PCREL14F:
8f78d0e9
KR		 2690 /* The constant is stored in the instruction. */
2691 reloc->addend = HPPA_R_ADDEND (hppa_fixp->fx_arg_reloc, 0);
025b0302
ME		 2692 break;
2693 default:
e67b3aa3 2694 reloc->addend = fixp->fx_offset;
025b0302
ME		 2695 break;
2696 }
2697 break;
2698 }
62f0841b 2699#else /* OBJ_SOM */
025b0302 2700
4165dcc2
JL		 2701 /* Walk over reach relocation returned by the BFD backend. */
2702 for (i = 0; i < n_relocs; i++)
62f0841b 2703 {
4165dcc2 2704 code = *codes[i];
c5e9ccd0 2705
4165dcc2
JL		 2706 relocs[i]->sym_ptr_ptr = &fixp->fx_addsy->bsym;
2707 relocs[i]->howto = bfd_reloc_type_lookup (stdoutput, code);
2708 relocs[i]->address = fixp->fx_frag->fr_address + fixp->fx_where;
025b0302 2709
62f0841b
JL		 2710 switch (code)
2711 {
249c7415
JL		 2712 case R_COMP2:
2713 /* The only time we ever use a R_COMP2 fixup is for the difference
ac866582
JL		 2714 of two symbols. With that in mind we fill in all four
2715 relocs now and break out of the loop. */
2716 assert (i == 1);
2717 relocs[0]->sym_ptr_ptr = &bfd_abs_symbol;
2718 relocs[0]->howto = bfd_reloc_type_lookup (stdoutput, *codes[0]);
2719 relocs[0]->address = fixp->fx_frag->fr_address + fixp->fx_where;
2720 relocs[0]->addend = 0;
2721 relocs[1]->sym_ptr_ptr = &fixp->fx_addsy->bsym;
2722 relocs[1]->howto = bfd_reloc_type_lookup (stdoutput, *codes[1]);
2723 relocs[1]->address = fixp->fx_frag->fr_address + fixp->fx_where;
2724 relocs[1]->addend = 0;
2725 relocs[2]->sym_ptr_ptr = &fixp->fx_subsy->bsym;
2726 relocs[2]->howto = bfd_reloc_type_lookup (stdoutput, *codes[2]);
2727 relocs[2]->address = fixp->fx_frag->fr_address + fixp->fx_where;
2728 relocs[2]->addend = 0;
2729 relocs[3]->sym_ptr_ptr = &bfd_abs_symbol;
2730 relocs[3]->howto = bfd_reloc_type_lookup (stdoutput, *codes[3]);
2731 relocs[3]->address = fixp->fx_frag->fr_address + fixp->fx_where;
2732 relocs[3]->addend = 0;
2733 relocs[4]->sym_ptr_ptr = &bfd_abs_symbol;
2734 relocs[4]->howto = bfd_reloc_type_lookup (stdoutput, *codes[4]);
2735 relocs[4]->address = fixp->fx_frag->fr_address + fixp->fx_where;
2736 relocs[4]->addend = 0;
2737 goto done;
62f0841b
JL		 2738 case R_PCREL_CALL:
2739 case R_ABS_CALL:
4165dcc2 2740 relocs[i]->addend = HPPA_R_ADDEND (hppa_fixp->fx_arg_reloc, 0);
62f0841b 2741 break;
f2eed884 2742
8fd04cba 2743 case R_DLT_REL:
f2eed884
JL		 2744 case R_DATA_PLABEL:
2745 case R_CODE_PLABEL:
2746 /* For plabel relocations, the addend of the
2747 relocation should be either 0 (no static link) or 2
2748 (static link required).
2749
75c28b49 2750 FIXME: We always assume no static link!
8fd04cba
JL		 2751
2752 We also slam a zero addend into the DLT relative relocs;
2753 it doesn't make a lot of sense to use any addend since
2754 it gets you a different (eg unknown) DLT entry. */
4165dcc2
JL		 2755 relocs[i]->addend = 0;
2756 break;
2757
2758 case R_N_MODE:
2759 case R_S_MODE:
2760 case R_D_MODE:
2761 case R_R_MODE:
6868afe6
KR		 2762 case R_FSEL:
2763 case R_LSEL:
2764 case R_RSEL:
5ae218df
JL		 2765 case R_BEGIN_BRTAB:
2766 case R_END_BRTAB:
448b5aad 2767 case R_BEGIN_TRY:
eff5fcda
JL		 2768 case R_N0SEL:
2769 case R_N1SEL:
4165dcc2 2770 /* There is no symbol or addend associated with these fixups. */
fca59f9d 2771 relocs[i]->sym_ptr_ptr = &dummy_symbol->bsym;
4165dcc2 2772 relocs[i]->addend = 0;
f2eed884
JL		 2773 break;
2774
448b5aad 2775 case R_END_TRY:
75c28b49
JL		 2776 case R_ENTRY:
2777 case R_EXIT:
2778 /* There is no symbol associated with these fixups. */
2779 relocs[i]->sym_ptr_ptr = &dummy_symbol->bsym;
e67b3aa3 2780 relocs[i]->addend = fixp->fx_offset;
75c28b49
JL		 2781 break;
2782
62f0841b 2783 default:
e67b3aa3 2784 relocs[i]->addend = fixp->fx_offset;
62f0841b 2785 }
62f0841b 2786 }
b81231b7
JL		 2787
2788 done:
025b0302
ME		 2789#endif
2790
62f0841b
JL		 2791 return relocs;
2792}
2793
8f78d0e9
KR		 2794/* Process any machine dependent frag types. */
2795
025b0302
ME		 2796void
2797md_convert_frag (abfd, sec, fragP)
2798 register bfd *abfd;
2799 register asection *sec;
2800 register fragS *fragP;
2801{
2802 unsigned int address;
2803
2804 if (fragP->fr_type == rs_machine_dependent)
2805 {
2806 switch ((int) fragP->fr_subtype)
2807 {
2808 case 0:
2809 fragP->fr_type = rs_fill;
2810 know (fragP->fr_var == 1);
2811 know (fragP->fr_next);
2812 address = fragP->fr_address + fragP->fr_fix;
2813 if (address % fragP->fr_offset)
2814 {
2815 fragP->fr_offset =
2816 fragP->fr_next->fr_address
2817 - fragP->fr_address
2818 - fragP->fr_fix;
2819 }
2820 else
2821 fragP->fr_offset = 0;
2822 break;
2823 }
8f78d0e9
KR		 2824 }
2825}
025b0302 2826
8f78d0e9 2827/* Round up a section size to the appropriate boundary. */
025b0302 2828
8f78d0e9
KR		 2829valueT
2830md_section_align (segment, size)
2831 asection *segment;
2832 valueT size;
025b0302 2833{
8f78d0e9
KR		 2834 int align = bfd_get_section_alignment (stdoutput, segment);
2835 int align2 = (1 << align) - 1;
025b0302 2836
8f78d0e9 2837 return (size + align2) & ~align2;
8f78d0e9 2838}
025b0302 2839
8f78d0e9
KR		 2840/* Create a short jump from FROM_ADDR to TO_ADDR. Not used on the PA. */
2841void
2842md_create_short_jump (ptr, from_addr, to_addr, frag, to_symbol)
2843 char *ptr;
2844 addressT from_addr, to_addr;
2845 fragS *frag;
2846 symbolS *to_symbol;
2847{
48401fcf 2848 fprintf (stderr, _("pa_create_short_jmp\n"));
8f78d0e9
KR		 2849 abort ();
2850}
025b0302 2851
8f78d0e9
KR		 2852/* Create a long jump from FROM_ADDR to TO_ADDR. Not used on the PA. */
2853void
2854md_create_long_jump (ptr, from_addr, to_addr, frag, to_symbol)
2855 char *ptr;
2856 addressT from_addr, to_addr;
2857 fragS *frag;
2858 symbolS *to_symbol;
2859{
48401fcf 2860 fprintf (stderr, _("pa_create_long_jump\n"));
8f78d0e9 2861 abort ();
025b0302
ME		 2862}
2863
8f78d0e9
KR		 2864/* Return the approximate size of a frag before relaxation has occurred. */
2865int
2866md_estimate_size_before_relax (fragP, segment)
2867 register fragS *fragP;
2868 asection *segment;
025b0302 2869{
8f78d0e9
KR		 2870 int size;
2871
2872 size = 0;
2873
2874 while ((fragP->fr_fix + size) % fragP->fr_offset)
2875 size++;
2876
2877 return size;
025b0302 2878}
f3d817d8
DM		 2879\f
2880CONST char *md_shortopts = "";
2881struct option md_longopts[] = {
2882 {NULL, no_argument, NULL, 0}
2883};
2884size_t md_longopts_size = sizeof(md_longopts);
025b0302 2885
8f78d0e9 2886int
f3d817d8
DM		 2887md_parse_option (c, arg)
2888 int c;
2889 char *arg;
025b0302 2890{
f3d817d8 2891 return 0;
8f78d0e9 2892}
025b0302 2893
f3d817d8
DM		 2894void
2895md_show_usage (stream)
2896 FILE *stream;
2897{
2898}
2899\f
8f78d0e9
KR		 2900/* We have no need to default values of symbols. */
2901
2902symbolS *
2903md_undefined_symbol (name)
2904 char *name;
2905{
2906 return 0;
025b0302
ME		 2907}
2908
753dcbbd 2909/* Apply a fixup to an instruction. */
8f78d0e9 2910
753dcbbd
JL		 2911int
2912md_apply_fix (fixP, valp)
8f78d0e9 2913 fixS *fixP;
753dcbbd 2914 valueT *valp;
025b0302 2915{
8f78d0e9 2916 char *buf = fixP->fx_where + fixP->fx_frag->fr_literal;
fb338f1d 2917 struct hppa_fix_struct *hppa_fixP;
ac866582 2918 long new_val, result = 0;
b81231b7 2919 unsigned int w1, w2, w, resulti;
8f78d0e9 2920
fb338f1d 2921 hppa_fixP = (struct hppa_fix_struct *) fixP->tc_fix_data;
75c28b49 2922 /* SOM uses R_HPPA_ENTRY and R_HPPA_EXIT relocations which can
83b59013
JL		 2923 never be "applied" (they are just markers). Likewise for
2924 R_HPPA_BEGIN_BRTAB and R_HPPA_END_BRTAB. */
ff852e11
JL		 2925#ifdef OBJ_SOM
2926 if (fixP->fx_r_type == R_HPPA_ENTRY
83b59013
JL		 2927 || fixP->fx_r_type == R_HPPA_EXIT
2928 || fixP->fx_r_type == R_HPPA_BEGIN_BRTAB
448b5aad
JL		 2929 || fixP->fx_r_type == R_HPPA_END_BRTAB
2930 || fixP->fx_r_type == R_HPPA_BEGIN_TRY)
b81231b7 2931 return 1;
448b5aad
JL		 2932
2933 /* Disgusting. We must set fx_offset ourselves -- R_HPPA_END_TRY
2934 fixups are considered not adjustable, which in turn causes
2935 adjust_reloc_syms to not set fx_offset. Ugh. */
2936 if (fixP->fx_r_type == R_HPPA_END_TRY)
2937 {
2938 fixP->fx_offset = *valp;
2939 return 1;
2940 }
ff852e11
JL		 2941#endif
2942
8f78d0e9
KR		 2943 /* There should have been an HPPA specific fixup associated
2944 with the GAS fixup. */
2945 if (hppa_fixP)
2946 {
2947 unsigned long buf_wd = bfd_get_32 (stdoutput, buf);
aa8b30ed 2948 unsigned char fmt = bfd_hppa_insn2fmt (buf_wd);
8f78d0e9 2949
e67b3aa3
JL		 2950 /* If there is a symbol associated with this fixup, then it's something
2951 which will need a SOM relocation (except for some PC-relative relocs).
2952 In such cases we should treat the "val" or "addend" as zero since it
2953 will be added in as needed from fx_offset in tc_gen_reloc. */
b4682e51
JL		 2954 if ((fixP->fx_addsy != NULL
2955 || fixP->fx_r_type == R_HPPA_NONE)
2956#ifdef OBJ_SOM
2957 && fmt != 32
2958 || hppa_fixP->fx_r_field == e_psel
2959 || hppa_fixP->fx_r_field == e_rpsel
2960 || hppa_fixP->fx_r_field == e_lpsel
2961 || hppa_fixP->fx_r_field == e_tsel
2962 || hppa_fixP->fx_r_field == e_rtsel
2963 || hppa_fixP->fx_r_field == e_ltsel
2964#endif
2965 )
e67b3aa3 2966 new_val = ((fmt == 12 || fmt == 17) ? 8 : 0);
2c23d22b
JL		 2967#ifdef OBJ_SOM
2968 /* This is truely disgusting. The machine independent code blindly
2969 adds in the value of the symbol being relocated against. Damn! */
2970 else if (fmt == 32
2971 && fixP->fx_addsy != NULL
2972 && S_GET_SEGMENT (fixP->fx_addsy) != bfd_com_section_ptr)
2973 new_val = hppa_field_adjust (*valp - S_GET_VALUE (fixP->fx_addsy),
2974 0, hppa_fixP->fx_r_field);
2975#endif
48153d49 2976 else
e67b3aa3 2977 new_val = hppa_field_adjust (*valp, 0, hppa_fixP->fx_r_field);
48153d49 2978
e67b3aa3 2979 /* Handle pc-relative exceptions from above. */
4829cd65 2980#define arg_reloc_stub_needed(CALLER, CALLEE) \
e67b3aa3
JL		 2981 ((CALLEE) && (CALLER) && ((CALLEE) != (CALLER)))
2982 if ((fmt == 12 || fmt == 17)
2983 && fixP->fx_addsy
2984 && fixP->fx_pcrel
4829cd65
JL		 2985 && !arg_reloc_stub_needed (((obj_symbol_type *)
2986 fixP->fx_addsy->bsym)->tc_data.hppa_arg_reloc,
2987 hppa_fixP->fx_arg_reloc)
4ff6f92a 2988 && ((int)(*valp) > -262144 && (int)(*valp) < 262143)
e67b3aa3
JL		 2989 && S_GET_SEGMENT (fixP->fx_addsy) == hppa_fixP->segment
2990 && !(fixP->fx_subsy
2991 && S_GET_SEGMENT (fixP->fx_subsy) != hppa_fixP->segment))
2992
2993 new_val = hppa_field_adjust (*valp, 0, hppa_fixP->fx_r_field);
4829cd65 2994#undef arg_reloc_stub_needed
e67b3aa3 2995
8f78d0e9
KR		 2996 switch (fmt)
2997 {
2998 /* Handle all opcodes with the 'j' operand type. */
2999 case 14:
48153d49 3000 CHECK_FIELD (new_val, 8191, -8192, 0);
8f78d0e9
KR		 3001
3002 /* Mask off 14 bits to be changed. */
3003 bfd_put_32 (stdoutput,
3004 bfd_get_32 (stdoutput, buf) & 0xffffc000,
3005 buf);
b81231b7
JL		 3006 low_sign_unext (new_val, 14, &resulti);
3007 result = resulti;
8f78d0e9
KR		 3008 break;
3009
3010 /* Handle all opcodes with the 'k' operand type. */
3011 case 21:
48153d49 3012 CHECK_FIELD (new_val, 2097152, 0, 0);
8f78d0e9
KR		 3013
3014 /* Mask off 21 bits to be changed. */
3015 bfd_put_32 (stdoutput,
3016 bfd_get_32 (stdoutput, buf) & 0xffe00000,
3017 buf);
b81231b7
JL		 3018 dis_assemble_21 (new_val, &resulti);
3019 result = resulti;
8f78d0e9
KR		 3020 break;
3021
3022 /* Handle all the opcodes with the 'i' operand type. */
3023 case 11:
48153d49 3024 CHECK_FIELD (new_val, 1023, -1023, 0);
8f78d0e9
KR		 3025
3026 /* Mask off 11 bits to be changed. */
3027 bfd_put_32 (stdoutput,
3028 bfd_get_32 (stdoutput, buf) & 0xffff800,
3029 buf);
b81231b7
JL		 3030 low_sign_unext (new_val, 11, &resulti);
3031 result = resulti;
8f78d0e9
KR		 3032 break;
3033
3034 /* Handle all the opcodes with the 'w' operand type. */
3035 case 12:
b81231b7 3036 CHECK_FIELD (new_val, 8199, -8184, 0);
8f78d0e9
KR		 3037
3038 /* Mask off 11 bits to be changed. */
b81231b7 3039 sign_unext ((new_val - 8) >> 2, 12, &resulti);
8f78d0e9
KR		 3040 bfd_put_32 (stdoutput,
3041 bfd_get_32 (stdoutput, buf) & 0xffffe002,
3042 buf);
3043
b81231b7 3044 dis_assemble_12 (resulti, &w1, &w);
8f78d0e9 3045 result = ((w1 << 2) | w);
8f78d0e9
KR		 3046 break;
3047
753dcbbd
JL		 3048 /* Handle some of the opcodes with the 'W' operand type. */
3049 case 17:
48401fcf
TT		 3050 {
3051 int distance = *valp;
3052
3053 CHECK_FIELD (new_val, 262143, -262144, 0);
3054
3055 /* If this is an absolute branch (ie no link) with an out of
3056 range target, then we want to complain. */
3057 if (fixP->fx_r_type == R_HPPA_PCREL_CALL
3058 && (distance > 262143 || distance < -262144)
3059 && (bfd_get_32 (stdoutput, buf) & 0xffe00000) == 0xe8000000)
3060 CHECK_FIELD (distance, 262143, -262144, 0);
3061
3062 /* Mask off 17 bits to be changed. */
3063 bfd_put_32 (stdoutput,
3064 bfd_get_32 (stdoutput, buf) & 0xffe0e002,
3065 buf);
3066 sign_unext ((new_val - 8) >> 2, 17, &resulti);
3067 dis_assemble_17 (resulti, &w1, &w2, &w);
3068 result = ((w2 << 2) | (w1 << 16) | w);
3069 break;
3070 }
8f78d0e9 3071
8f78d0e9 3072 case 32:
3315c7c7 3073 result = 0;
e67b3aa3 3074 bfd_put_32 (stdoutput, new_val, buf);
8f78d0e9
KR		 3075 break;
3076
8f78d0e9 3077 default:
48401fcf 3078 as_bad (_("Unknown relocation encountered in md_apply_fix."));
b81231b7 3079 return 0;
8f78d0e9
KR		 3080 }
3081
3082 /* Insert the relocation. */
48153d49 3083 bfd_put_32 (stdoutput, bfd_get_32 (stdoutput, buf) | result, buf);
b81231b7 3084 return 1;
8f78d0e9 3085 }
025b0302 3086 else
753dcbbd 3087 {
48401fcf 3088 printf (_("no hppa_fixup entry for this fixup (fixP = 0x%x, type = 0x%x)\n"),
753dcbbd 3089 (unsigned int) fixP, fixP->fx_r_type);
b81231b7 3090 return 0;
753dcbbd 3091 }
8f78d0e9
KR		 3092}
3093
3094/* Exactly what point is a PC-relative offset relative TO?
3095 On the PA, they're relative to the address of the offset. */
3096
3097long
3098md_pcrel_from (fixP)
3099 fixS *fixP;
3100{
3101 return fixP->fx_where + fixP->fx_frag->fr_address;
3102}
3103
75c28b49 3104/* Return nonzero if the input line pointer is at the end of
8f78d0e9
KR		 3105 a statement. */
3106
3107static int
3108is_end_of_statement ()
3109{
3110 return ((*input_line_pointer == '\n')
3111 || (*input_line_pointer == ';')
3112 || (*input_line_pointer == '!'));
3113}
3114
3115/* Read a number from S. The number might come in one of many forms,
3116 the most common will be a hex or decimal constant, but it could be
3117 a pre-defined register (Yuk!), or an absolute symbol.
3118
3119 Return a number or -1 for failure.
3120
3121 When parsing PA-89 FP register numbers RESULT will be
3122 the address of a structure to return information about
3123 L/R half of FP registers, store results there as appropriate.
3124
3125 pa_parse_number can not handle negative constants and will fail
3126 horribly if it is passed such a constant. */
3127
3128static int
3129pa_parse_number (s, result)
025b0302 3130 char **s;
4829cd65 3131 struct pa_11_fp_reg_struct *result;
025b0302
ME		 3132{
3133 int num;
3134 char *name;
3135 char c;
3136 symbolS *sym;
3137 int status;
3138 char *p = *s;
3139
8f78d0e9 3140 /* Skip whitespace before the number. */
025b0302
ME		 3141 while (*p == ' ' || *p == '\t')
3142 p = p + 1;
8f78d0e9
KR		 3143
3144 /* Store info in RESULT if requested by caller. */
3145 if (result)
3146 {
3147 result->number_part = -1;
3148 result->l_r_select = -1;
3149 }
3150 num = -1;
025b0302
ME		 3151
3152 if (isdigit (*p))
3153 {
8f78d0e9
KR		 3154 /* Looks like a number. */
3155 num = 0;
025b0302
ME		 3156
3157 if (*p == '0' && (*(p + 1) == 'x' || *(p + 1) == 'X'))
8f78d0e9
KR		 3158 {
3159 /* The number is specified in hex. */
3160 p += 2;
025b0302
ME		 3161 while (isdigit (*p) || ((*p >= 'a') && (*p <= 'f'))
3162 || ((*p >= 'A') && (*p <= 'F')))
3163 {
3164 if (isdigit (*p))
3165 num = num * 16 + *p - '0';
3166 else if (*p >= 'a' && *p <= 'f')
3167 num = num * 16 + *p - 'a' + 10;
3168 else
3169 num = num * 16 + *p - 'A' + 10;
3170 ++p;
3171 }
3172 }
3173 else
3174 {
8f78d0e9 3175 /* The number is specified in decimal. */
025b0302
ME		 3176 while (isdigit (*p))
3177 {
3178 num = num * 10 + *p - '0';
3179 ++p;
3180 }
3181 }
3182
8f78d0e9
KR		 3183 /* Store info in RESULT if requested by the caller. */
3184 if (result)
025b0302 3185 {
8f78d0e9 3186 result->number_part = num;
025b0302 3187
8f78d0e9
KR		 3188 if (IS_R_SELECT (p))
3189 {
3190 result->l_r_select = 1;
3191 ++p;
3192 }
3193 else if (IS_L_SELECT (p))
3194 {
3195 result->l_r_select = 0;
3196 ++p;
3197 }
3198 else
3199 result->l_r_select = 0;
3200 }
025b0302
ME		 3201 }
3202 else if (*p == '%')
8f78d0e9
KR		 3203 {
3204 /* The number might be a predefined register. */
025b0302
ME		 3205 num = 0;
3206 name = p;
3207 p++;
3208 c = *p;
8f78d0e9 3209 /* Tege hack: Special case for general registers as the general
75c28b49 3210 code makes a binary search with case translation, and is VERY
8f78d0e9 3211 slow. */
025b0302
ME		 3212 if (c == 'r')
3213 {
3214 p++;
8f78d0e9
KR		 3215 if (*p == 'e' && *(p + 1) == 't'
3216 && (*(p + 2) == '0' || *(p + 2) == '1'))
025b0302
ME		 3217 {
3218 p += 2;
8f78d0e9 3219 num = *p - '0' + 28;
025b0302
ME		 3220 p++;
3221 }
d6e524f3
JL		 3222 else if (*p == 'p')
3223 {
3224 num = 2;
3225 p++;
3226 }
025b0302 3227 else if (!isdigit (*p))
d6e524f3
JL		 3228 {
3229 if (print_errors)
48401fcf 3230 as_bad (_("Undefined register: '%s'."), name);
d6e524f3
JL		 3231 num = -1;
3232 }
025b0302
ME		 3233 else
3234 {
3235 do
3236 num = num * 10 + *p++ - '0';
3237 while (isdigit (*p));
3238 }
3239 }
3240 else
3241 {
8f78d0e9 3242 /* Do a normal register search. */
025b0302
ME		 3243 while (is_part_of_name (c))
3244 {
3245 p = p + 1;
3246 c = *p;
3247 }
3248 *p = 0;
3249 status = reg_name_search (name);
3250 if (status >= 0)
3251 num = status;
3252 else
3253 {
3254 if (print_errors)
48401fcf 3255 as_bad (_("Undefined register: '%s'."), name);
d6e524f3 3256 num = -1;
025b0302
ME		 3257 }
3258 *p = c;
3259 }
3260
8f78d0e9
KR		 3261 /* Store info in RESULT if requested by caller. */
3262 if (result)
3263 {
3264 result->number_part = num;
3265 if (IS_R_SELECT (p - 1))
3266 result->l_r_select = 1;
3267 else if (IS_L_SELECT (p - 1))
3268 result->l_r_select = 0;
3269 else
3270 result->l_r_select = 0;
3271 }
025b0302
ME		 3272 }
3273 else
3274 {
8f78d0e9
KR		 3275 /* And finally, it could be a symbol in the absolute section which
3276 is effectively a constant. */
025b0302
ME		 3277 num = 0;
3278 name = p;
3279 c = *p;
3280 while (is_part_of_name (c))
3281 {
3282 p = p + 1;
3283 c = *p;
3284 }
3285 *p = 0;
3286 if ((sym = symbol_find (name)) != NULL)
3287 {
025b0302 3288 if (S_GET_SEGMENT (sym) == &bfd_abs_section)
8f78d0e9 3289 num = S_GET_VALUE (sym);
025b0302
ME		 3290 else
3291 {
3292 if (print_errors)
48401fcf 3293 as_bad (_("Non-absolute symbol: '%s'."), name);
d6e524f3 3294 num = -1;
025b0302
ME		 3295 }
3296 }
3297 else
3298 {
d6e524f3
JL		 3299 /* There is where we'd come for an undefined symbol
3300 or for an empty string. For an empty string we
3301 will return zero. That's a concession made for
3302 compatability with the braindamaged HP assemblers. */
1cc248d2 3303 if (*name == 0)
d6e524f3 3304 num = 0;
025b0302 3305 else
d6e524f3
JL		 3306 {
3307 if (print_errors)
48401fcf 3308 as_bad (_("Undefined absolute constant: '%s'."), name);
d6e524f3
JL		 3309 num = -1;
3310 }
025b0302
ME		 3311 }
3312 *p = c;
025b0302 3313
8f78d0e9
KR		 3314 /* Store info in RESULT if requested by caller. */
3315 if (result)
3316 {
3317 result->number_part = num;
3318 if (IS_R_SELECT (p - 1))
3319 result->l_r_select = 1;
3320 else if (IS_L_SELECT (p - 1))
3321 result->l_r_select = 0;
3322 else
3323 result->l_r_select = 0;
3324 }
025b0302
ME		 3325 }
3326
3327 *s = p;
3328 return num;
8f78d0e9
KR		 3329}
3330
3331#define REG_NAME_CNT (sizeof(pre_defined_registers) / sizeof(struct pd_reg))
3332
3333/* Given NAME, find the register number associated with that name, return
3334 the integer value associated with the given name or -1 on failure. */
3335
3336static int
3337reg_name_search (name)
3338 char *name;
3339{
3340 int middle, low, high;
4047ff1d 3341 int cmp;
8f78d0e9
KR		 3342
3343 low = 0;
3344 high = REG_NAME_CNT - 1;
3345
3346 do
3347 {
3348 middle = (low + high) / 2;
4047ff1d
JL		 3349 cmp = strcasecmp (name, pre_defined_registers[middle].name);
3350 if (cmp < 0)
8f78d0e9 3351 high = middle - 1;
4047ff1d 3352 else if (cmp > 0)
8f78d0e9 3353 low = middle + 1;
4047ff1d
JL		 3354 else
3355 return pre_defined_registers[middle].value;
8f78d0e9 3356 }
4047ff1d 3357 while (low <= high);
8f78d0e9 3358
4047ff1d 3359 return -1;
8f78d0e9
KR		 3360}
3361
3362
3363/* Return nonzero if the given INSN and L/R information will require
4829cd65 3364 a new PA-1.1 opcode. */
025b0302 3365
8f78d0e9 3366static int
4829cd65 3367need_pa11_opcode (insn, result)
8f78d0e9 3368 struct pa_it *insn;
4829cd65 3369 struct pa_11_fp_reg_struct *result;
8f78d0e9
KR		 3370{
3371 if (result->l_r_select == 1 && !(insn->fpof1 == DBL && insn->fpof2 == DBL))
4829cd65
JL		 3372 {
3373 /* If this instruction is specific to a particular architecture,
3374 then set a new architecture. */
3375 if (bfd_get_mach (stdoutput) < pa11)
3376 {
3377 if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, pa11))
48401fcf 3378 as_warn (_("could not update architecture and machine"));
4829cd65
JL		 3379 }
3380 return TRUE;
3381 }
8f78d0e9
KR		 3382 else
3383 return FALSE;
025b0302
ME		 3384}
3385
8f78d0e9
KR		 3386/* Parse a condition for a fcmp instruction. Return the numerical
3387 code associated with the condition. */
c5e9ccd0 3388
8f78d0e9 3389static int
025b0302
ME		 3390pa_parse_fp_cmp_cond (s)
3391 char **s;
3392{
3393 int cond, i;
025b0302
ME		 3394
3395 cond = 0;
3396
3397 for (i = 0; i < 32; i++)
3398 {
8f78d0e9
KR		 3399 if (strncasecmp (*s, fp_cond_map[i].string,
3400 strlen (fp_cond_map[i].string)) == 0)
025b0302 3401 {
8f78d0e9
KR		 3402 cond = fp_cond_map[i].cond;
3403 *s += strlen (fp_cond_map[i].string);
ee8b8346
JL		 3404 /* If not a complete match, back up the input string and
3405 report an error. */
3406 if (**s != ' ' && **s != '\t')
3407 {
3408 *s -= strlen (fp_cond_map[i].string);
3409 break;
3410 }
025b0302
ME		 3411 while (**s == ' ' || **s == '\t')
3412 *s = *s + 1;
3413 return cond;
3414 }
3415 }
3416
48401fcf 3417 as_bad (_("Invalid FP Compare Condition: %s"), *s);
ee8b8346
JL		 3418
3419 /* Advance over the bogus completer. */
3420 while (**s != ',' && **s != ' ' && **s != '\t')
3421 *s += 1;
3422
025b0302
ME		 3423 return 0;
3424}
3425
8f78d0e9
KR		 3426/* Parse an FP operand format completer returning the completer
3427 type. */
c5e9ccd0 3428
8f78d0e9 3429static fp_operand_format
025b0302
ME		 3430pa_parse_fp_format (s)
3431 char **s;
3432{
8f78d0e9 3433 int format;
025b0302 3434
8f78d0e9 3435 format = SGL;
025b0302
ME		 3436 if (**s == ',')
3437 {
3438 *s += 1;
3439 if (strncasecmp (*s, "sgl", 3) == 0)
3440 {
8f78d0e9 3441 format = SGL;
025b0302
ME		 3442 *s += 4;
3443 }
3444 else if (strncasecmp (*s, "dbl", 3) == 0)
3445 {
8f78d0e9 3446 format = DBL;
025b0302
ME		 3447 *s += 4;
3448 }
3449 else if (strncasecmp (*s, "quad", 4) == 0)
3450 {
8f78d0e9 3451 format = QUAD;
025b0302
ME		 3452 *s += 5;
3453 }
3454 else
3455 {
8f78d0e9 3456 format = ILLEGAL_FMT;
48401fcf 3457 as_bad (_("Invalid FP Operand Format: %3s"), *s);
025b0302
ME		 3458 }
3459 }
025b0302 3460
8f78d0e9 3461 return format;
025b0302
ME		 3462}
3463
8f78d0e9
KR		 3464/* Convert from a selector string into a selector type. */
3465
3466static int
025b0302
ME		 3467pa_chk_field_selector (str)
3468 char **str;
3469{
4047ff1d
JL		 3470 int middle, low, high;
3471 int cmp;
83b59013 3472 char name[4];
025b0302 3473
8f78d0e9 3474 /* Read past any whitespace. */
4047ff1d 3475 /* FIXME: should we read past newlines and formfeeds??? */
025b0302 3476 while (**str == ' ' || **str == '\t' || **str == '\n' || **str == '\f')
8f78d0e9
KR		 3477 *str = *str + 1;
3478
4047ff1d
JL		 3479 if ((*str)[1] == '\'' || (*str)[1] == '%')
3480 name[0] = tolower ((*str)[0]),
3481 name[1] = 0;
3482 else if ((*str)[2] == '\'' || (*str)[2] == '%')
3483 name[0] = tolower ((*str)[0]),
3484 name[1] = tolower ((*str)[1]),
3485 name[2] = 0;
83b59013
JL		 3486#ifdef OBJ_SOM
3487 else if ((*str)[3] == '\'' || (*str)[3] == '%')
3488 name[0] = tolower ((*str)[0]),
3489 name[1] = tolower ((*str)[1]),
3490 name[2] = tolower ((*str)[2]),
3491 name[3] = 0;
3492#endif
4047ff1d
JL		 3493 else
3494 return e_fsel;
3495
3496 low = 0;
3497 high = sizeof (selector_table) / sizeof (struct selector_entry) - 1;
3498
3499 do
025b0302 3500 {
4047ff1d
JL		 3501 middle = (low + high) / 2;
3502 cmp = strcmp (name, selector_table[middle].prefix);
3503 if (cmp < 0)
3504 high = middle - 1;
3505 else if (cmp > 0)
3506 low = middle + 1;
3507 else
025b0302 3508 {
4047ff1d 3509 *str += strlen (name) + 1;
83b59013
JL		 3510#ifndef OBJ_SOM
3511 if (selector_table[middle].field_selector == e_nsel)
3512 return e_fsel;
3513#endif
4047ff1d 3514 return selector_table[middle].field_selector;
025b0302
ME		 3515 }
3516 }
4047ff1d
JL		 3517 while (low <= high);
3518
3519 return e_fsel;
025b0302
ME		 3520}
3521
c5e9ccd0 3522/* Mark (via expr_end) the end of an expression (I think). FIXME. */
025b0302 3523
8f78d0e9
KR		 3524static int
3525get_expression (str)
025b0302
ME		 3526 char *str;
3527{
3528 char *save_in;
8f78d0e9 3529 asection *seg;
025b0302
ME		 3530
3531 save_in = input_line_pointer;
3532 input_line_pointer = str;
5cf4cd1b
KR		 3533 seg = expression (&the_insn.exp);
3534 if (!(seg == absolute_section
3535 || seg == undefined_section
3536 || SEG_NORMAL (seg)))
025b0302 3537 {
48401fcf 3538 as_warn (_("Bad segment in expression."));
025b0302
ME		 3539 expr_end = input_line_pointer;
3540 input_line_pointer = save_in;
3541 return 1;
3542 }
3543 expr_end = input_line_pointer;
3544 input_line_pointer = save_in;
3545 return 0;
3546}
3547
8f78d0e9
KR		 3548/* Mark (via expr_end) the end of an absolute expression. FIXME. */
3549static int
48153d49
JL		 3550pa_get_absolute_expression (insn, strp)
3551 struct pa_it *insn;
3552 char **strp;
025b0302
ME		 3553{
3554 char *save_in;
025b0302 3555
48153d49 3556 insn->field_selector = pa_chk_field_selector (strp);
025b0302 3557 save_in = input_line_pointer;
48153d49
JL		 3558 input_line_pointer = *strp;
3559 expression (&insn->exp);
3560 if (insn->exp.X_op != O_constant)
025b0302 3561 {
48401fcf 3562 as_bad (_("Bad segment (should be absolute)."));
025b0302
ME		 3563 expr_end = input_line_pointer;
3564 input_line_pointer = save_in;
48153d49 3565 return 0;
025b0302
ME		 3566 }
3567 expr_end = input_line_pointer;
3568 input_line_pointer = save_in;
48153d49 3569 return evaluate_absolute (insn);
025b0302
ME		 3570}
3571
75c28b49 3572/* Evaluate an absolute expression EXP which may be modified by
8f78d0e9
KR		 3573 the selector FIELD_SELECTOR. Return the value of the expression. */
3574static int
48153d49
JL		 3575evaluate_absolute (insn)
3576 struct pa_it *insn;
025b0302
ME		 3577{
3578 int value;
f41f3d72 3579 expressionS exp;
48153d49 3580 int field_selector = insn->field_selector;
025b0302 3581
f41f3d72 3582 exp = insn->exp;
025b0302
ME		 3583 value = exp.X_add_number;
3584
025b0302
ME		 3585 switch (field_selector)
3586 {
8f78d0e9
KR		 3587 /* No change. */
3588 case e_fsel:
025b0302
ME		 3589 break;
3590
8f78d0e9
KR		 3591 /* If bit 21 is on then add 0x800 and arithmetic shift right 11 bits. */
3592 case e_lssel:
025b0302
ME		 3593 if (value & 0x00000400)
3594 value += 0x800;
3595 value = (value & 0xfffff800) >> 11;
3596 break;
3597
8f78d0e9
KR		 3598 /* Sign extend from bit 21. */
3599 case e_rssel:
025b0302
ME		 3600 if (value & 0x00000400)
3601 value |= 0xfffff800;
3602 else
3603 value &= 0x7ff;
3604 break;
3605
8f78d0e9
KR		 3606 /* Arithmetic shift right 11 bits. */
3607 case e_lsel:
025b0302
ME		 3608 value = (value & 0xfffff800) >> 11;
3609 break;
3610
8f78d0e9
KR		 3611 /* Set bits 0-20 to zero. */
3612 case e_rsel:
025b0302
ME		 3613 value = value & 0x7ff;
3614 break;
3615
8f78d0e9
KR		 3616 /* Add 0x800 and arithmetic shift right 11 bits. */
3617 case e_ldsel:
025b0302 3618 value += 0x800;
025b0302
ME		 3619 value = (value & 0xfffff800) >> 11;
3620 break;
3621
8f78d0e9
KR		 3622 /* Set bitgs 0-21 to one. */
3623 case e_rdsel:
3624 value |= 0xfffff800;
025b0302
ME		 3625 break;
3626
7b624bf2 3627#define RSEL_ROUND(c) (((c) + 0x1000) & ~0x1fff)
8f78d0e9 3628 case e_rrsel:
7b624bf2
JL		 3629 value = (RSEL_ROUND (value) & 0x7ff) + (value - RSEL_ROUND (value));
3630 break;
3631
8f78d0e9 3632 case e_lrsel:
7b624bf2
JL		 3633 value = (RSEL_ROUND (value) >> 11) & 0x1fffff;
3634 break;
3635#undef RSEL_ROUND
8f78d0e9 3636
025b0302
ME		 3637 default:
3638 BAD_CASE (field_selector);
3639 break;
3640 }
3641 return value;
3642}
3643
8f78d0e9
KR		 3644/* Given an argument location specification return the associated
3645 argument location number. */
3646
3647static unsigned int
025b0302
ME		 3648pa_build_arg_reloc (type_name)
3649 char *type_name;
3650{
3651
3652 if (strncasecmp (type_name, "no", 2) == 0)
8f78d0e9 3653 return 0;
025b0302 3654 if (strncasecmp (type_name, "gr", 2) == 0)
8f78d0e9 3655 return 1;
025b0302 3656 else if (strncasecmp (type_name, "fr", 2) == 0)
8f78d0e9 3657 return 2;
025b0302 3658 else if (strncasecmp (type_name, "fu", 2) == 0)
8f78d0e9 3659 return 3;
025b0302 3660 else
48401fcf 3661 as_bad (_("Invalid argument location: %s\n"), type_name);
025b0302
ME		 3662
3663 return 0;
3664}
3665
8f78d0e9
KR		 3666/* Encode and return an argument relocation specification for
3667 the given register in the location specified by arg_reloc. */
3668
3669static unsigned int
025b0302
ME		 3670pa_align_arg_reloc (reg, arg_reloc)
3671 unsigned int reg;
3672 unsigned int arg_reloc;
3673{
3674 unsigned int new_reloc;
3675
3676 new_reloc = arg_reloc;
3677 switch (reg)
3678 {
3679 case 0:
3680 new_reloc <<= 8;
3681 break;
3682 case 1:
3683 new_reloc <<= 6;
3684 break;
3685 case 2:
3686 new_reloc <<= 4;
3687 break;
3688 case 3:
3689 new_reloc <<= 2;
3690 break;
3691 default:
48401fcf 3692 as_bad (_("Invalid argument description: %d"), reg);
025b0302
ME		 3693 }
3694
3695 return new_reloc;
3696}
3697
8f78d0e9
KR		 3698/* Parse a PA nullification completer (,n). Return nonzero if the
3699 completer was found; return zero if no completer was found. */
3700
3701static int
025b0302
ME		 3702pa_parse_nullif (s)
3703 char **s;
3704{
3705 int nullif;
3706
3707 nullif = 0;
3708 if (**s == ',')
3709 {
3710 *s = *s + 1;
3711 if (strncasecmp (*s, "n", 1) == 0)
3712 nullif = 1;
3713 else
3714 {
48401fcf 3715 as_bad (_("Invalid Nullification: (%c)"), **s);
025b0302
ME		 3716 nullif = 0;
3717 }
3718 *s = *s + 1;
3719 }
025b0302
ME		 3720
3721 return nullif;
3722}
3723
8f78d0e9
KR		 3724/* Parse a non-negated compare/subtract completer returning the
3725 number (for encoding in instrutions) of the given completer.
3726
3727 ISBRANCH specifies whether or not this is parsing a condition
3728 completer for a branch (vs a nullification completer for a
3729 computational instruction. */
3730
3731static int
5cf4cd1b 3732pa_parse_nonneg_cmpsub_cmpltr (s, isbranch)
025b0302 3733 char **s;
5cf4cd1b 3734 int isbranch;
025b0302
ME		 3735{
3736 int cmpltr;
5cf4cd1b 3737 char *name = *s + 1;
025b0302 3738 char c;
5cf4cd1b 3739 char *save_s = *s;
025b0302 3740
5cf4cd1b 3741 cmpltr = 0;
025b0302
ME		 3742 if (**s == ',')
3743 {
3744 *s += 1;
025b0302
ME		 3745 while (**s != ',' && **s != ' ' && **s != '\t')
3746 *s += 1;
3747 c = **s;
3748 **s = 0x00;
3749 if (strcmp (name, "=") == 0)
3750 {
3751 cmpltr = 1;
3752 }
3753 else if (strcmp (name, "<") == 0)
3754 {
3755 cmpltr = 2;
3756 }
3757 else if (strcmp (name, "<=") == 0)
3758 {
3759 cmpltr = 3;
3760 }
3761 else if (strcmp (name, "<<") == 0)
3762 {
3763 cmpltr = 4;
3764 }
3765 else if (strcmp (name, "<<=") == 0)
3766 {
3767 cmpltr = 5;
3768 }
3769 else if (strcasecmp (name, "sv") == 0)
3770 {
3771 cmpltr = 6;
3772 }
3773 else if (strcasecmp (name, "od") == 0)
3774 {
3775 cmpltr = 7;
3776 }
5cf4cd1b 3777 /* If we have something like addb,n then there is no condition
8f78d0e9 3778 completer. */
5cf4cd1b 3779 else if (strcasecmp (name, "n") == 0 && isbranch)
025b0302 3780 {
5cf4cd1b 3781 cmpltr = 0;
025b0302 3782 }
8f78d0e9 3783 else
025b0302 3784 {
5cf4cd1b 3785 cmpltr = -1;
025b0302 3786 }
025b0302
ME		 3787 **s = c;
3788 }
025b0302 3789
5cf4cd1b
KR		 3790 /* Reset pointers if this was really a ,n for a branch instruction. */
3791 if (cmpltr == 0 && *name == 'n' && isbranch)
3792 *s = save_s;
3793
025b0302
ME		 3794 return cmpltr;
3795}
3796
8f78d0e9
KR		 3797/* Parse a negated compare/subtract completer returning the
3798 number (for encoding in instrutions) of the given completer.
3799
3800 ISBRANCH specifies whether or not this is parsing a condition
3801 completer for a branch (vs a nullification completer for a
3802 computational instruction. */
3803
3804static int
5cf4cd1b 3805pa_parse_neg_cmpsub_cmpltr (s, isbranch)
025b0302 3806 char **s;
5cf4cd1b 3807 int isbranch;
025b0302
ME		 3808{
3809 int cmpltr;
5cf4cd1b 3810 char *name = *s + 1;
025b0302 3811 char c;
5cf4cd1b 3812 char *save_s = *s;
025b0302 3813
5cf4cd1b 3814 cmpltr = 0;
025b0302
ME		 3815 if (**s == ',')
3816 {
3817 *s += 1;
025b0302
ME		 3818 while (**s != ',' && **s != ' ' && **s != '\t')
3819 *s += 1;
3820 c = **s;
3821 **s = 0x00;
3822 if (strcasecmp (name, "tr") == 0)
3823 {
3824 cmpltr = 0;
3825 }
3826 else if (strcmp (name, "<>") == 0)
3827 {
3828 cmpltr = 1;
3829 }
3830 else if (strcmp (name, ">=") == 0)
3831 {
3832 cmpltr = 2;
3833 }
3834 else if (strcmp (name, ">") == 0)
3835 {
3836 cmpltr = 3;
3837 }
3838 else if (strcmp (name, ">>=") == 0)
3839 {
3840 cmpltr = 4;
3841 }
3842 else if (strcmp (name, ">>") == 0)
3843 {
3844 cmpltr = 5;
3845 }
3846 else if (strcasecmp (name, "nsv") == 0)
3847 {
3848 cmpltr = 6;
3849 }
3850 else if (strcasecmp (name, "ev") == 0)
3851 {
3852 cmpltr = 7;
3853 }
5cf4cd1b 3854 /* If we have something like addb,n then there is no condition
8f78d0e9 3855 completer. */
5cf4cd1b
KR		 3856 else if (strcasecmp (name, "n") == 0 && isbranch)
3857 {
3858 cmpltr = 0;
3859 }
3860 else
3861 {
3862 cmpltr = -1;
3863 }
025b0302
ME		 3864 **s = c;
3865 }
025b0302 3866
5cf4cd1b
KR		 3867 /* Reset pointers if this was really a ,n for a branch instruction. */
3868 if (cmpltr == 0 && *name == 'n' && isbranch)
3869 *s = save_s;
3870
025b0302
ME		 3871 return cmpltr;
3872}
3873
8f78d0e9
KR		 3874/* Parse a non-negated addition completer returning the number
3875 (for encoding in instrutions) of the given completer.
3876
3877 ISBRANCH specifies whether or not this is parsing a condition
3878 completer for a branch (vs a nullification completer for a
3879 computational instruction. */
3880
3881static int
5cf4cd1b 3882pa_parse_nonneg_add_cmpltr (s, isbranch)
025b0302 3883 char **s;
5cf4cd1b 3884 int isbranch;
025b0302
ME		 3885{
3886 int cmpltr;
5cf4cd1b 3887 char *name = *s + 1;
025b0302 3888 char c;
5cf4cd1b 3889 char *save_s = *s;
025b0302 3890
5cf4cd1b 3891 cmpltr = 0;
025b0302
ME		 3892 if (**s == ',')
3893 {
3894 *s += 1;
025b0302
ME		 3895 while (**s != ',' && **s != ' ' && **s != '\t')
3896 *s += 1;
3897 c = **s;
3898 **s = 0x00;
3899 if (strcmp (name, "=") == 0)
3900 {
3901 cmpltr = 1;
3902 }
3903 else if (strcmp (name, "<") == 0)
3904 {
3905 cmpltr = 2;
3906 }
3907 else if (strcmp (name, "<=") == 0)
3908 {
3909 cmpltr = 3;
3910 }
3911 else if (strcasecmp (name, "nuv") == 0)
3912 {
3913 cmpltr = 4;
3914 }
3915 else if (strcasecmp (name, "znv") == 0)
3916 {
3917 cmpltr = 5;
3918 }
3919 else if (strcasecmp (name, "sv") == 0)
3920 {
3921 cmpltr = 6;
3922 }
3923 else if (strcasecmp (name, "od") == 0)
3924 {
3925 cmpltr = 7;
3926 }
5cf4cd1b 3927 /* If we have something like addb,n then there is no condition
8f78d0e9 3928 completer. */
5cf4cd1b
KR		 3929 else if (strcasecmp (name, "n") == 0 && isbranch)
3930 {
3931 cmpltr = 0;
3932 }
3933 else
3934 {
3935 cmpltr = -1;
3936 }
025b0302
ME		 3937 **s = c;
3938 }
025b0302 3939
5cf4cd1b
KR		 3940 /* Reset pointers if this was really a ,n for a branch instruction. */
3941 if (cmpltr == 0 && *name == 'n' && isbranch)
3942 *s = save_s;
3943
025b0302
ME		 3944 return cmpltr;
3945}
3946
8f78d0e9
KR		 3947/* Parse a negated addition completer returning the number
3948 (for encoding in instrutions) of the given completer.
3949
3950 ISBRANCH specifies whether or not this is parsing a condition
3951 completer for a branch (vs a nullification completer for a
b81231b7 3952 computational instruction). */
8f78d0e9
KR		 3953
3954static int
5cf4cd1b 3955pa_parse_neg_add_cmpltr (s, isbranch)
025b0302 3956 char **s;
5cf4cd1b 3957 int isbranch;
025b0302
ME		 3958{
3959 int cmpltr;
5cf4cd1b 3960 char *name = *s + 1;
025b0302 3961 char c;
5cf4cd1b 3962 char *save_s = *s;
025b0302 3963
5cf4cd1b 3964 cmpltr = 0;
025b0302
ME		 3965 if (**s == ',')
3966 {
3967 *s += 1;
025b0302
ME		 3968 while (**s != ',' && **s != ' ' && **s != '\t')
3969 *s += 1;
3970 c = **s;
3971 **s = 0x00;
3972 if (strcasecmp (name, "tr") == 0)
3973 {
3974 cmpltr = 0;
3975 }
3976 else if (strcmp (name, "<>") == 0)
3977 {
3978 cmpltr = 1;
3979 }
3980 else if (strcmp (name, ">=") == 0)
3981 {
3982 cmpltr = 2;
3983 }
3984 else if (strcmp (name, ">") == 0)
3985 {
3986 cmpltr = 3;
3987 }
4047ff1d 3988 else if (strcasecmp (name, "uv") == 0)
025b0302
ME		 3989 {
3990 cmpltr = 4;
3991 }
4047ff1d 3992 else if (strcasecmp (name, "vnz") == 0)
025b0302
ME		 3993 {
3994 cmpltr = 5;
3995 }
3996 else if (strcasecmp (name, "nsv") == 0)
3997 {
3998 cmpltr = 6;
3999 }
4000 else if (strcasecmp (name, "ev") == 0)
4001 {
4002 cmpltr = 7;
4003 }
5cf4cd1b 4004 /* If we have something like addb,n then there is no condition
8f78d0e9 4005 completer. */
5cf4cd1b
KR		 4006 else if (strcasecmp (name, "n") == 0 && isbranch)
4007 {
4008 cmpltr = 0;
4009 }
4010 else
4011 {
4012 cmpltr = -1;
4013 }
025b0302
ME		 4014 **s = c;
4015 }
025b0302 4016
5cf4cd1b
KR		 4017 /* Reset pointers if this was really a ,n for a branch instruction. */
4018 if (cmpltr == 0 && *name == 'n' && isbranch)
4019 *s = save_s;
4020
025b0302
ME		 4021 return cmpltr;
4022}
4023
e67b3aa3
JL		 4024/* Handle an alignment directive. Special so that we can update the
4025 alignment of the subspace if necessary. */
4026static void
4027pa_align (bytes)
4028{
60937ce7
JL		 4029 /* We must have a valid space and subspace. */
4030 pa_check_current_space_and_subspace ();
4031
e67b3aa3
JL		 4032 /* Let the generic gas code do most of the work. */
4033 s_align_bytes (bytes);
4034
4035 /* If bytes is a power of 2, then update the current subspace's
4036 alignment if necessary. */
4037 if (log2 (bytes) != -1)
4038 record_alignment (current_subspace->ssd_seg, log2 (bytes));
4039}
4040
8f78d0e9 4041/* Handle a .BLOCK type pseudo-op. */
025b0302 4042
8f78d0e9 4043static void
025b0302
ME		 4044pa_block (z)
4045 int z;
4046{
8f78d0e9
KR		 4047 char *p;
4048 long int temp_fill;
4049 unsigned int temp_size;
4050 int i;
025b0302 4051
60937ce7
JL		 4052 /* We must have a valid space and subspace. */
4053 pa_check_current_space_and_subspace ();
4054
025b0302
ME		 4055 temp_size = get_absolute_expression ();
4056
8f78d0e9
KR		 4057 /* Always fill with zeros, that's what the HP assembler does. */
4058 temp_fill = 0;
025b0302 4059
c5e9ccd0 4060 p = frag_var (rs_fill, (int) temp_size, (int) temp_size,
5c11dba2 4061 (relax_substateT) 0, (symbolS *) 0, (offsetT) 1, NULL);
8f78d0e9 4062 bzero (p, temp_size);
025b0302 4063
8f78d0e9 4064 /* Convert 2 bytes at a time. */
025b0302
ME		 4065
4066 for (i = 0; i < temp_size; i += 2)
4067 {
4068 md_number_to_chars (p + i,
8f78d0e9 4069 (valueT) temp_fill,
025b0302
ME		 4070 (int) ((temp_size - i) > 2 ? 2 : (temp_size - i)));
4071 }
4072
4073 pa_undefine_label ();
4074 demand_empty_rest_of_line ();
025b0302
ME		 4075}
4076
5ae218df
JL		 4077/* Handle a .begin_brtab and .end_brtab pseudo-op. */
4078
4079static void
4080pa_brtab (begin)
4081 int begin;
4082{
4083
4084#ifdef OBJ_SOM
4085 /* The BRTAB relocations are only availble in SOM (to denote
4086 the beginning and end of branch tables). */
4087 char *where = frag_more (0);
4088
4089 fix_new_hppa (frag_now, where - frag_now->fr_literal, 0,
4090 NULL, (offsetT) 0, NULL,
4091 0, begin ? R_HPPA_BEGIN_BRTAB : R_HPPA_END_BRTAB,
4092 e_fsel, 0, 0, NULL);
4093#endif
4094
4095 demand_empty_rest_of_line ();
4096}
4097
448b5aad
JL		 4098/* Handle a .begin_try and .end_try pseudo-op. */
4099
4100static void
4101pa_try (begin)
4102 int begin;
4103{
4104#ifdef OBJ_SOM
4105 expressionS exp;
4106 char *where = frag_more (0);
4107
4108 if (! begin)
4109 expression (&exp);
4110
4111 /* The TRY relocations are only availble in SOM (to denote
4112 the beginning and end of exception handling regions). */
4113
4114 fix_new_hppa (frag_now, where - frag_now->fr_literal, 0,
4115 NULL, (offsetT) 0, begin ? NULL : &exp,
4116 0, begin ? R_HPPA_BEGIN_TRY : R_HPPA_END_TRY,
4117 e_fsel, 0, 0, NULL);
4118#endif
4119
4120 demand_empty_rest_of_line ();
4121}
4122
8f78d0e9
KR		 4123/* Handle a .CALL pseudo-op. This involves storing away information
4124 about where arguments are to be found so the linker can detect
4125 (and correct) argument location mismatches between caller and callee. */
025b0302 4126
8f78d0e9
KR		 4127static void
4128pa_call (unused)
4129 int unused;
4130{
60937ce7
JL		 4131 /* We must have a valid space and subspace. */
4132 pa_check_current_space_and_subspace ();
4133
025b0302
ME		 4134 pa_call_args (&last_call_desc);
4135 demand_empty_rest_of_line ();
025b0302
ME		 4136}
4137
8f78d0e9
KR		 4138/* Do the dirty work of building a call descriptor which describes
4139 where the caller placed arguments to a function call. */
4140
4141static void
025b0302 4142pa_call_args (call_desc)
8f78d0e9 4143 struct call_desc *call_desc;
025b0302 4144{
8f78d0e9
KR		 4145 char *name, c, *p;
4146 unsigned int temp, arg_reloc;
025b0302
ME		 4147
4148 while (!is_end_of_statement ())
4149 {
4150 name = input_line_pointer;
4151 c = get_symbol_end ();
8f78d0e9 4152 /* Process a source argument. */
025b0302
ME		 4153 if ((strncasecmp (name, "argw", 4) == 0))
4154 {
4155 temp = atoi (name + 4);
4156 p = input_line_pointer;
4157 *p = c;
4158 input_line_pointer++;
4159 name = input_line_pointer;
4160 c = get_symbol_end ();
4161 arg_reloc = pa_build_arg_reloc (name);
4162 call_desc->arg_reloc |= pa_align_arg_reloc (temp, arg_reloc);
4163 }
8f78d0e9 4164 /* Process a return value. */
025b0302
ME		 4165 else if ((strncasecmp (name, "rtnval", 6) == 0))
4166 {
4167 p = input_line_pointer;
4168 *p = c;
4169 input_line_pointer++;
4170 name = input_line_pointer;
4171 c = get_symbol_end ();
4172 arg_reloc = pa_build_arg_reloc (name);
4173 call_desc->arg_reloc |= (arg_reloc & 0x3);
4174 }
4175 else
4176 {
48401fcf 4177 as_bad (_("Invalid .CALL argument: %s"), name);
025b0302
ME		 4178 }
4179 p = input_line_pointer;
4180 *p = c;
4181 if (!is_end_of_statement ())
4182 input_line_pointer++;
4183 }
4184}
4185
8f78d0e9
KR		 4186/* Return TRUE if FRAG1 and FRAG2 are the same. */
4187
025b0302 4188static int
8f78d0e9
KR		 4189is_same_frag (frag1, frag2)
4190 fragS *frag1;
4191 fragS *frag2;
025b0302
ME		 4192{
4193
8f78d0e9 4194 if (frag1 == NULL)
025b0302 4195 return (FALSE);
8f78d0e9 4196 else if (frag2 == NULL)
025b0302 4197 return (FALSE);
8f78d0e9 4198 else if (frag1 == frag2)
025b0302 4199 return (TRUE);
8f78d0e9
KR		 4200 else if (frag2->fr_type == rs_fill && frag2->fr_fix == 0)
4201 return (is_same_frag (frag1, frag2->fr_next));
025b0302
ME		 4202 else
4203 return (FALSE);
4204}
4205
ff852e11 4206#ifdef OBJ_ELF
75c28b49 4207/* Build an entry in the UNWIND subspace from the given function
ff852e11
JL		 4208 attributes in CALL_INFO. This is not needed for SOM as using
4209 R_ENTRY and R_EXIT relocations allow the linker to handle building
4210 of the unwind spaces. */
c5e9ccd0 4211
025b0302
ME		 4212static void
4213pa_build_unwind_subspace (call_info)
8f78d0e9 4214 struct call_info *call_info;
025b0302 4215{
8f78d0e9
KR		 4216 char *unwind;
4217 asection *seg, *save_seg;
025b0302
ME		 4218 subsegT subseg, save_subseg;
4219 int i;
8f78d0e9
KR		 4220 char c, *p;
4221
4222 /* Get into the right seg/subseg. This may involve creating
4223 the seg the first time through. Make sure to have the
4224 old seg/subseg so that we can reset things when we are done. */
4225 subseg = SUBSEG_UNWIND;
4226 seg = bfd_get_section_by_name (stdoutput, UNWIND_SECTION_NAME);
4227 if (seg == ASEC_NULL)
025b0302 4228 {
8f78d0e9
KR		 4229 seg = bfd_make_section_old_way (stdoutput, UNWIND_SECTION_NAME);
4230 bfd_set_section_flags (stdoutput, seg,
4231 SEC_READONLY | SEC_HAS_CONTENTS
4232 | SEC_LOAD | SEC_RELOC);
025b0302
ME		 4233 }
4234
025b0302
ME		 4235 save_seg = now_seg;
4236 save_subseg = now_subseg;
80aab579 4237 subseg_set (seg, subseg);
025b0302 4238
8f78d0e9
KR		 4239
4240 /* Get some space to hold relocation information for the unwind
4241 descriptor. */
025b0302 4242 p = frag_more (4);
249c7415 4243 md_number_to_chars (p, 0, 4);
025b0302 4244
8f78d0e9 4245 /* Relocation info. for start offset of the function. */
8f78d0e9
KR		 4246 fix_new_hppa (frag_now, p - frag_now->fr_literal, 4,
4247 call_info->start_symbol, (offsetT) 0,
75c28b49 4248 (expressionS *) NULL, 0, R_PARISC_DIR32, e_fsel, 32, 0, NULL);
025b0302 4249
025b0302 4250 p = frag_more (4);
249c7415 4251 md_number_to_chars (p, 0, 4);
025b0302 4252
4ff6f92a
JL		 4253 /* Relocation info. for end offset of the function.
4254
4255 Because we allow reductions of 32bit relocations for ELF, this will be
4256 reduced to section_sym + offset which avoids putting the temporary
4257 symbol into the symbol table. It (should) end up giving the same
4258 value as call_info->start_symbol + function size once the linker is
4259 finished with its work. */
4260
8f78d0e9 4261 fix_new_hppa (frag_now, p - frag_now->fr_literal, 4,
4ff6f92a 4262 call_info->end_symbol, (offsetT) 0,
75c28b49 4263 (expressionS *) NULL, 0, R_PARISC_DIR32, e_fsel, 32, 0, NULL);
025b0302 4264
8f78d0e9
KR		 4265 /* Dump it. */
4266 unwind = (char *) &call_info->ci_unwind;
4267 for (i = 8; i < sizeof (struct unwind_table); i++)
025b0302 4268 {
8f78d0e9 4269 c = *(unwind + i);
025b0302
ME		 4270 {
4271 FRAG_APPEND_1_CHAR (c);
4272 }
4273 }
4274
8f78d0e9 4275 /* Return back to the original segment/subsegment. */
80aab579 4276 subseg_set (save_seg, save_subseg);
025b0302 4277}
ff852e11 4278#endif
025b0302 4279
8f78d0e9
KR		 4280/* Process a .CALLINFO pseudo-op. This information is used later
4281 to build unwind descriptors and maybe one day to support
4282 .ENTER and .LEAVE. */
025b0302 4283
8f78d0e9
KR		 4284static void
4285pa_callinfo (unused)
4286 int unused;
025b0302 4287{
8f78d0e9
KR		 4288 char *name, c, *p;
4289 int temp;
025b0302 4290
60937ce7
JL		 4291 /* We must have a valid space and subspace. */
4292 pa_check_current_space_and_subspace ();
4293
8f78d0e9 4294 /* .CALLINFO must appear within a procedure definition. */
025b0302 4295 if (!within_procedure)
48401fcf 4296 as_bad (_(".callinfo is not within a procedure definition"));
025b0302 4297
8f78d0e9
KR		 4298 /* Mark the fact that we found the .CALLINFO for the
4299 current procedure. */
025b0302
ME		 4300 callinfo_found = TRUE;
4301
8f78d0e9 4302 /* Iterate over the .CALLINFO arguments. */
025b0302
ME		 4303 while (!is_end_of_statement ())
4304 {
4305 name = input_line_pointer;
4306 c = get_symbol_end ();
8f78d0e9 4307 /* Frame size specification. */
025b0302
ME		 4308 if ((strncasecmp (name, "frame", 5) == 0))
4309 {
4310 p = input_line_pointer;
4311 *p = c;
4312 input_line_pointer++;
4313 temp = get_absolute_expression ();
4314 if ((temp & 0x3) != 0)
4315 {
48401fcf 4316 as_bad (_("FRAME parameter must be a multiple of 8: %d\n"), temp);
025b0302
ME		 4317 temp = 0;
4318 }
49fc68a1 4319
c5e9ccd0 4320 /* callinfo is in bytes and unwind_desc is in 8 byte units. */
49fc68a1
JL		 4321 last_call_info->ci_unwind.descriptor.frame_size = temp / 8;
4322
025b0302 4323 }
8f78d0e9 4324 /* Entry register (GR, GR and SR) specifications. */
025b0302
ME		 4325 else if ((strncasecmp (name, "entry_gr", 8) == 0))
4326 {
4327 p = input_line_pointer;
4328 *p = c;
4329 input_line_pointer++;
4330 temp = get_absolute_expression ();
aa8b30ed 4331 /* The HP assembler accepts 19 as the high bound for ENTRY_GR
75c28b49 4332 even though %r19 is caller saved. I think this is a bug in
aa8b30ed
JL		 4333 the HP assembler, and we are not going to emulate it. */
4334 if (temp < 3 || temp > 18)
48401fcf 4335 as_bad (_("Value for ENTRY_GR must be in the range 3..18\n"));
aa8b30ed 4336 last_call_info->ci_unwind.descriptor.entry_gr = temp - 2;
025b0302
ME		 4337 }
4338 else if ((strncasecmp (name, "entry_fr", 8) == 0))
4339 {
4340 p = input_line_pointer;
4341 *p = c;
4342 input_line_pointer++;
4343 temp = get_absolute_expression ();
75c28b49 4344 /* Similarly the HP assembler takes 31 as the high bound even
aa8b30ed
JL		 4345 though %fr21 is the last callee saved floating point register. */
4346 if (temp < 12 || temp > 21)
48401fcf 4347 as_bad (_("Value for ENTRY_FR must be in the range 12..21\n"));
aa8b30ed 4348 last_call_info->ci_unwind.descriptor.entry_fr = temp - 11;
025b0302
ME		 4349 }
4350 else if ((strncasecmp (name, "entry_sr", 8) == 0))
4351 {
4352 p = input_line_pointer;
4353 *p = c;
4354 input_line_pointer++;
4355 temp = get_absolute_expression ();
aa8b30ed 4356 if (temp != 3)
48401fcf 4357 as_bad (_("Value for ENTRY_SR must be 3\n"));
025b0302 4358 }
8f78d0e9 4359 /* Note whether or not this function performs any calls. */
025b0302
ME		 4360 else if ((strncasecmp (name, "calls", 5) == 0) ||
4361 (strncasecmp (name, "caller", 6) == 0))
4362 {
4363 p = input_line_pointer;
4364 *p = c;
025b0302
ME		 4365 }
4366 else if ((strncasecmp (name, "no_calls", 8) == 0))
4367 {
4368 p = input_line_pointer;
4369 *p = c;
025b0302 4370 }
8f78d0e9 4371 /* Should RP be saved into the stack. */
025b0302
ME		 4372 else if ((strncasecmp (name, "save_rp", 7) == 0))
4373 {
4374 p = input_line_pointer;
4375 *p = c;
4376 last_call_info->ci_unwind.descriptor.save_rp = 1;
4377 }
8f78d0e9 4378 /* Likewise for SP. */
025b0302
ME		 4379 else if ((strncasecmp (name, "save_sp", 7) == 0))
4380 {
4381 p = input_line_pointer;
4382 *p = c;
4383 last_call_info->ci_unwind.descriptor.save_sp = 1;
4384 }
8f78d0e9 4385 /* Is this an unwindable procedure. If so mark it so
c5e9ccd0 4386 in the unwind descriptor. */
025b0302
ME		 4387 else if ((strncasecmp (name, "no_unwind", 9) == 0))
4388 {
4389 p = input_line_pointer;
4390 *p = c;
4391 last_call_info->ci_unwind.descriptor.cannot_unwind = 1;
4392 }
8f78d0e9 4393 /* Is this an interrupt routine. If so mark it in the
c5e9ccd0 4394 unwind descriptor. */
025b0302
ME		 4395 else if ((strncasecmp (name, "hpux_int", 7) == 0))
4396 {
4397 p = input_line_pointer;
4398 *p = c;
8f78d0e9 4399 last_call_info->ci_unwind.descriptor.hpux_interrupt_marker = 1;
025b0302 4400 }
f2ada910
JL		 4401 /* Is this a millicode routine. "millicode" isn't in my
4402 assembler manual, but my copy is old. The HP assembler
4403 accepts it, and there's a place in the unwind descriptor
4404 to drop the information, so we'll accept it too. */
4405 else if ((strncasecmp (name, "millicode", 9) == 0))
4406 {
4407 p = input_line_pointer;
4408 *p = c;
4409 last_call_info->ci_unwind.descriptor.millicode = 1;
4410 }
025b0302
ME		 4411 else
4412 {
48401fcf 4413 as_bad (_("Invalid .CALLINFO argument: %s"), name);
f2ada910 4414 *input_line_pointer = c;
025b0302
ME		 4415 }
4416 if (!is_end_of_statement ())
4417 input_line_pointer++;
4418 }
4419
4420 demand_empty_rest_of_line ();
025b0302
ME		 4421}
4422
8f78d0e9
KR		 4423/* Switch into the code subspace. */
4424
4425static void
4426pa_code (unused)
4427 int unused;
025b0302 4428{
60937ce7
JL		 4429 current_space = is_defined_space ("$TEXT$");
4430 current_subspace
4431 = pa_subsegment_to_subspace (current_space->sd_seg, 0);
4432 s_text (0);
4433 pa_undefine_label ();
025b0302
ME		 4434}
4435
8f78d0e9
KR		 4436/* This is different than the standard GAS s_comm(). On HP9000/800 machines,
4437 the .comm pseudo-op has the following symtax:
025b0302 4438
8f78d0e9
KR		 4439 <label> .comm <length>
4440
4441 where <label> is optional and is a symbol whose address will be the start of
4442 a block of memory <length> bytes long. <length> must be an absolute
4443 expression. <length> bytes will be allocated in the current space
4829cd65
JL		 4444 and subspace.
4445
4446 Also note the label may not even be on the same line as the .comm.
4447
4448 This difference in syntax means the colon function will be called
4449 on the symbol before we arrive in pa_comm. colon will set a number
4450 of attributes of the symbol that need to be fixed here. In particular
4451 the value, section pointer, fragment pointer, flags, etc. What
4452 a pain.
4453
4454 This also makes error detection all but impossible. */
8f78d0e9
KR		 4455
4456static void
4457pa_comm (unused)
4458 int unused;
025b0302 4459{
8f78d0e9
KR		 4460 unsigned int size;
4461 symbolS *symbol;
4462 label_symbol_struct *label_symbol = pa_get_label ();
025b0302 4463
8f78d0e9
KR		 4464 if (label_symbol)
4465 symbol = label_symbol->lss_label;
025b0302 4466 else
8f78d0e9 4467 symbol = NULL;
025b0302
ME		 4468
4469 SKIP_WHITESPACE ();
8f78d0e9 4470 size = get_absolute_expression ();
025b0302 4471
8f78d0e9 4472 if (symbol)
025b0302 4473 {
4829cd65
JL		 4474 S_SET_VALUE (symbol, size);
4475 S_SET_SEGMENT (symbol, bfd_und_section_ptr);
4476 S_SET_EXTERNAL (symbol);
2cffb4f4 4477
4829cd65
JL		 4478 /* colon() has already set the frag to the current location in the
4479 current subspace; we need to reset the fragment to the zero address
4480 fragment. We also need to reset the segment pointer. */
4481 symbol->sy_frag = &zero_address_frag;
025b0302 4482 }
025b0302
ME		 4483 demand_empty_rest_of_line ();
4484}
4485
8f78d0e9 4486/* Process a .END pseudo-op. */
025b0302 4487
8f78d0e9
KR		 4488static void
4489pa_end (unused)
4490 int unused;
4491{
025b0302 4492 demand_empty_rest_of_line ();
025b0302
ME		 4493}
4494
c5e9ccd0 4495/* Process a .ENTER pseudo-op. This is not supported. */
8f78d0e9
KR		 4496static void
4497pa_enter (unused)
4498 int unused;
025b0302 4499{
60937ce7
JL		 4500 /* We must have a valid space and subspace. */
4501 pa_check_current_space_and_subspace ();
4502
c5e9ccd0 4503 abort ();
025b0302
ME		 4504}
4505
8f78d0e9
KR		 4506/* Process a .ENTRY pseudo-op. .ENTRY marks the beginning of the
4507 procesure. */
4508static void
4509pa_entry (unused)
4510 int unused;
025b0302 4511{
60937ce7
JL		 4512 /* We must have a valid space and subspace. */
4513 pa_check_current_space_and_subspace ();
4514
025b0302 4515 if (!within_procedure)
48401fcf 4516 as_bad (_("Misplaced .entry. Ignored."));
025b0302
ME		 4517 else
4518 {
4519 if (!callinfo_found)
48401fcf 4520 as_bad (_("Missing .callinfo."));
025b0302
ME		 4521 }
4522 demand_empty_rest_of_line ();
4523 within_entry_exit = TRUE;
8f78d0e9 4524
ff852e11
JL		 4525#ifdef OBJ_SOM
4526 /* SOM defers building of unwind descriptors until the link phase.
4527 The assembler is responsible for creating an R_ENTRY relocation
4528 to mark the beginning of a region and hold the unwind bits, and
4529 for creating an R_EXIT relocation to mark the end of the region.
4530
4531 FIXME. ELF should be using the same conventions! The problem
4532 is an unwind requires too much relocation space. Hmmm. Maybe
4533 if we split the unwind bits up between the relocations which
4534 denote the entry and exit points. */
86066d06
JL		 4535 if (last_call_info->start_symbol != NULL)
4536 {
4537 char *where = frag_more (0);
c5e9ccd0 4538
86066d06 4539 fix_new_hppa (frag_now, where - frag_now->fr_literal, 0,
75c28b49 4540 NULL, (offsetT) 0, NULL,
86066d06 4541 0, R_HPPA_ENTRY, e_fsel, 0, 0,
75c28b49 4542 (int *) &last_call_info->ci_unwind.descriptor);
86066d06 4543 }
ff852e11 4544#endif
025b0302
ME		 4545}
4546
8f78d0e9
KR		 4547/* Handle a .EQU pseudo-op. */
4548
4549static void
025b0302
ME		 4550pa_equ (reg)
4551 int reg;
4552{
8f78d0e9
KR		 4553 label_symbol_struct *label_symbol = pa_get_label ();
4554 symbolS *symbol;
025b0302 4555
8f78d0e9 4556 if (label_symbol)
025b0302 4557 {
8f78d0e9 4558 symbol = label_symbol->lss_label;
c38c91da
JL		 4559 if (reg)
4560 S_SET_VALUE (symbol, pa_parse_number (&input_line_pointer, 0));
4561 else
4562 S_SET_VALUE (symbol, (unsigned int) get_absolute_expression ());
75c28b49 4563 S_SET_SEGMENT (symbol, bfd_abs_section_ptr);
025b0302
ME		 4564 }
4565 else
4566 {
4567 if (reg)
48401fcf 4568 as_bad (_(".REG must use a label"));
025b0302 4569 else
48401fcf 4570 as_bad (_(".EQU must use a label"));
025b0302
ME		 4571 }
4572
4573 pa_undefine_label ();
4574 demand_empty_rest_of_line ();
025b0302
ME		 4575}
4576
8f78d0e9
KR		 4577/* Helper function. Does processing for the end of a function. This
4578 usually involves creating some relocations or building special
4579 symbols to mark the end of the function. */
4580
4581static void
025b0302
ME		 4582process_exit ()
4583{
4584 char *where;
4585
4586 where = frag_more (0);
aa8b30ed 4587
ff852e11 4588#ifdef OBJ_ELF
44c0de53
JL		 4589 /* Mark the end of the function, stuff away the location of the frag
4590 for the end of the function, and finally call pa_build_unwind_subspace
4591 to add an entry in the unwind table. */
4ff6f92a 4592 hppa_elf_mark_end_of_function ();
025b0302 4593 pa_build_unwind_subspace (last_call_info);
ff852e11
JL		 4594#else
4595 /* SOM defers building of unwind descriptors until the link phase.
4596 The assembler is responsible for creating an R_ENTRY relocation
4597 to mark the beginning of a region and hold the unwind bits, and
4598 for creating an R_EXIT relocation to mark the end of the region.
4599
4600 FIXME. ELF should be using the same conventions! The problem
4601 is an unwind requires too much relocation space. Hmmm. Maybe
4602 if we split the unwind bits up between the relocations which
4603 denote the entry and exit points. */
4604 fix_new_hppa (frag_now, where - frag_now->fr_literal, 0,
75c28b49
JL		 4605 NULL, (offsetT) 0,
4606 NULL, 0, R_HPPA_EXIT, e_fsel, 0, 0,
4607 (int *) &last_call_info->ci_unwind.descriptor + 1);
ff852e11 4608#endif
025b0302
ME		 4609}
4610
8f78d0e9 4611/* Process a .EXIT pseudo-op. */
025b0302 4612
8f78d0e9
KR		 4613static void
4614pa_exit (unused)
4615 int unused;
4616{
60937ce7
JL		 4617 /* We must have a valid space and subspace. */
4618 pa_check_current_space_and_subspace ();
4619
025b0302 4620 if (!within_procedure)
48401fcf 4621 as_bad (_(".EXIT must appear within a procedure"));
025b0302
ME		 4622 else
4623 {
4624 if (!callinfo_found)
48401fcf 4625 as_bad (_("Missing .callinfo"));
025b0302
ME		 4626 else
4627 {
4628 if (!within_entry_exit)
48401fcf 4629 as_bad (_("No .ENTRY for this .EXIT"));
025b0302
ME		 4630 else
4631 {
4632 within_entry_exit = FALSE;
4633 process_exit ();
4634 }
4635 }
4636 }
4637 demand_empty_rest_of_line ();
025b0302
ME		 4638}
4639
8f78d0e9 4640/* Process a .EXPORT directive. This makes functions external
75c28b49 4641 and provides information such as argument relocation entries
8f78d0e9 4642 to callers. */
5cf4cd1b 4643
8f78d0e9
KR		 4644static void
4645pa_export (unused)
4646 int unused;
025b0302 4647{
8f78d0e9
KR		 4648 char *name, c, *p;
4649 symbolS *symbol;
025b0302
ME		 4650
4651 name = input_line_pointer;
4652 c = get_symbol_end ();
8f78d0e9
KR		 4653 /* Make sure the given symbol exists. */
4654 if ((symbol = symbol_find_or_make (name)) == NULL)
025b0302 4655 {
48401fcf 4656 as_bad (_("Cannot define export symbol: %s\n"), name);
025b0302
ME		 4657 p = input_line_pointer;
4658 *p = c;
4659 input_line_pointer++;
4660 }
4661 else
4662 {
8f78d0e9
KR		 4663 /* OK. Set the external bits and process argument relocations. */
4664 S_SET_EXTERNAL (symbol);
025b0302
ME		 4665 p = input_line_pointer;
4666 *p = c;
4667 if (!is_end_of_statement ())
4668 {
4669 input_line_pointer++;
48153d49 4670 pa_type_args (symbol, 1);
025b0302
ME		 4671 }
4672 }
4673
4674 demand_empty_rest_of_line ();
025b0302
ME		 4675}
4676
8f78d0e9
KR		 4677/* Helper function to process arguments to a .EXPORT pseudo-op. */
4678
4679static void
48153d49 4680pa_type_args (symbolP, is_export)
8f78d0e9 4681 symbolS *symbolP;
48153d49 4682 int is_export;
025b0302 4683{
8f78d0e9
KR		 4684 char *name, c, *p;
4685 unsigned int temp, arg_reloc;
e75acd68 4686 pa_symbol_type type = SYMBOL_TYPE_UNKNOWN;
8f78d0e9 4687 obj_symbol_type *symbol = (obj_symbol_type *) symbolP->bsym;
025b0302
ME		 4688
4689 if (strncasecmp (input_line_pointer, "absolute", 8) == 0)
48153d49 4690
025b0302
ME		 4691 {
4692 input_line_pointer += 8;
9a182533 4693 symbolP->bsym->flags &= ~BSF_FUNCTION;
75c28b49 4694 S_SET_SEGMENT (symbolP, bfd_abs_section_ptr);
e75acd68 4695 type = SYMBOL_TYPE_ABSOLUTE;
025b0302
ME		 4696 }
4697 else if (strncasecmp (input_line_pointer, "code", 4) == 0)
9a182533
JL		 4698 {
4699 input_line_pointer += 4;
a721c80b 4700 /* IMPORTing/EXPORTing CODE types for functions is meaningless for SOM,
c5e9ccd0 4701 instead one should be IMPORTing/EXPORTing ENTRY types.
a721c80b 4702
c5e9ccd0
JL		 4703 Complain if one tries to EXPORT a CODE type since that's never
4704 done. Both GCC and HP C still try to IMPORT CODE types, so
4705 silently fix them to be ENTRY types. */
a721c80b 4706 if (symbolP->bsym->flags & BSF_FUNCTION)
48153d49 4707 {
a721c80b 4708 if (is_export)
48401fcf 4709 as_tsktsk (_("Using ENTRY rather than CODE in export directive for %s"), symbolP->bsym->name);
a721c80b 4710
48153d49
JL		 4711 symbolP->bsym->flags |= BSF_FUNCTION;
4712 type = SYMBOL_TYPE_ENTRY;
4713 }
4714 else
4715 {
4716 symbolP->bsym->flags &= ~BSF_FUNCTION;
4717 type = SYMBOL_TYPE_CODE;
4718 }
9a182533 4719 }
025b0302 4720 else if (strncasecmp (input_line_pointer, "data", 4) == 0)
9a182533
JL		 4721 {
4722 input_line_pointer += 4;
4723 symbolP->bsym->flags &= ~BSF_FUNCTION;
e75acd68 4724 type = SYMBOL_TYPE_DATA;
9a182533 4725 }
025b0302
ME		 4726 else if ((strncasecmp (input_line_pointer, "entry", 5) == 0))
4727 {
4728 input_line_pointer += 5;
025b0302 4729 symbolP->bsym->flags |= BSF_FUNCTION;
e75acd68 4730 type = SYMBOL_TYPE_ENTRY;
025b0302
ME		 4731 }
4732 else if (strncasecmp (input_line_pointer, "millicode", 9) == 0)
4733 {
4734 input_line_pointer += 9;
9a182533 4735 symbolP->bsym->flags |= BSF_FUNCTION;
e75acd68 4736 type = SYMBOL_TYPE_MILLICODE;
025b0302
ME		 4737 }
4738 else if (strncasecmp (input_line_pointer, "plabel", 6) == 0)
4739 {
4740 input_line_pointer += 6;
9a182533 4741 symbolP->bsym->flags &= ~BSF_FUNCTION;
e75acd68 4742 type = SYMBOL_TYPE_PLABEL;
025b0302
ME		 4743 }
4744 else if (strncasecmp (input_line_pointer, "pri_prog", 8) == 0)
4745 {
4746 input_line_pointer += 8;
9a182533 4747 symbolP->bsym->flags |= BSF_FUNCTION;
e75acd68 4748 type = SYMBOL_TYPE_PRI_PROG;
025b0302
ME		 4749 }
4750 else if (strncasecmp (input_line_pointer, "sec_prog", 8) == 0)
4751 {
4752 input_line_pointer += 8;
9a182533 4753 symbolP->bsym->flags |= BSF_FUNCTION;
e75acd68 4754 type = SYMBOL_TYPE_SEC_PROG;
025b0302
ME		 4755 }
4756
e75acd68
JL		 4757 /* SOM requires much more information about symbol types
4758 than BFD understands. This is how we get this information
4759 to the SOM BFD backend. */
4760#ifdef obj_set_symbol_type
4761 obj_set_symbol_type (symbolP->bsym, (int) type);
4762#endif
4763
8f78d0e9
KR		 4764 /* Now that the type of the exported symbol has been handled,
4765 handle any argument relocation information. */
025b0302
ME		 4766 while (!is_end_of_statement ())
4767 {
4768 if (*input_line_pointer == ',')
4769 input_line_pointer++;
4770 name = input_line_pointer;
4771 c = get_symbol_end ();
8f78d0e9 4772 /* Argument sources. */
025b0302
ME		 4773 if ((strncasecmp (name, "argw", 4) == 0))
4774 {
4775 p = input_line_pointer;
4776 *p = c;
4777 input_line_pointer++;
4778 temp = atoi (name + 4);
4779 name = input_line_pointer;
4780 c = get_symbol_end ();
4781 arg_reloc = pa_align_arg_reloc (temp, pa_build_arg_reloc (name));
8f78d0e9 4782 symbol->tc_data.hppa_arg_reloc |= arg_reloc;
025b0302
ME		 4783 *input_line_pointer = c;
4784 }
8f78d0e9 4785 /* The return value. */
025b0302
ME		 4786 else if ((strncasecmp (name, "rtnval", 6)) == 0)
4787 {
4788 p = input_line_pointer;
4789 *p = c;
4790 input_line_pointer++;
4791 name = input_line_pointer;
4792 c = get_symbol_end ();
4793 arg_reloc = pa_build_arg_reloc (name);
8f78d0e9 4794 symbol->tc_data.hppa_arg_reloc |= arg_reloc;
025b0302
ME		 4795 *input_line_pointer = c;
4796 }
8f78d0e9 4797 /* Privelege level. */
025b0302
ME		 4798 else if ((strncasecmp (name, "priv_lev", 8)) == 0)
4799 {
4800 p = input_line_pointer;
4801 *p = c;
4802 input_line_pointer++;
025b0302
ME		 4803 temp = atoi (input_line_pointer);
4804 c = get_symbol_end ();
4805 *input_line_pointer = c;
025b0302
ME		 4806 }
4807 else
4808 {
48401fcf 4809 as_bad (_("Undefined .EXPORT/.IMPORT argument (ignored): %s"), name);
025b0302
ME		 4810 p = input_line_pointer;
4811 *p = c;
4812 }
4813 if (!is_end_of_statement ())
4814 input_line_pointer++;
4815 }
4816}
4817
8f78d0e9
KR		 4818/* Handle an .IMPORT pseudo-op. Any symbol referenced in a given
4819 assembly file must either be defined in the assembly file, or
4820 explicitly IMPORTED from another. */
4821
4822static void
4823pa_import (unused)
4824 int unused;
025b0302 4825{
8f78d0e9
KR		 4826 char *name, c, *p;
4827 symbolS *symbol;
025b0302
ME		 4828
4829 name = input_line_pointer;
4830 c = get_symbol_end ();
025b0302 4831
49ccc555
JL		 4832 symbol = symbol_find (name);
4833 /* Ugh. We might be importing a symbol defined earlier in the file,
4834 in which case all the code below will really screw things up
4835 (set the wrong segment, symbol flags & type, etc). */
4836 if (symbol == NULL || !S_IS_DEFINED (symbol))
025b0302 4837 {
49ccc555
JL		 4838 symbol = symbol_find_or_make (name);
4839 p = input_line_pointer;
4840 *p = c;
4841
4842 if (!is_end_of_statement ())
4843 {
4844 input_line_pointer++;
4845 pa_type_args (symbol, 0);
4846 }
4847 else
4848 {
4849 /* Sigh. To be compatable with the HP assembler and to help
75c28b49 4850 poorly written assembly code, we assign a type based on
49ccc555
JL		 4851 the the current segment. Note only BSF_FUNCTION really
4852 matters, we do not need to set the full SYMBOL_TYPE_* info. */
4853 if (now_seg == text_section)
4854 symbol->bsym->flags |= BSF_FUNCTION;
4855
4856 /* If the section is undefined, then the symbol is undefined
4857 Since this is an import, leave the section undefined. */
75c28b49 4858 S_SET_SEGMENT (symbol, bfd_und_section_ptr);
49ccc555 4859 }
025b0302
ME		 4860 }
4861 else
4862 {
49ccc555
JL		 4863 /* The symbol was already defined. Just eat everything up to
4864 the end of the current statement. */
4865 while (!is_end_of_statement ())
4866 input_line_pointer++;
025b0302
ME		 4867 }
4868
025b0302 4869 demand_empty_rest_of_line ();
025b0302
ME		 4870}
4871
8f78d0e9
KR		 4872/* Handle a .LABEL pseudo-op. */
4873
4874static void
4875pa_label (unused)
4876 int unused;
025b0302 4877{
8f78d0e9 4878 char *name, c, *p;
025b0302
ME		 4879
4880 name = input_line_pointer;
4881 c = get_symbol_end ();
025b0302
ME		 4882
4883 if (strlen (name) > 0)
4884 {
4885 colon (name);
4886 p = input_line_pointer;
4887 *p = c;
4888 }
4889 else
4890 {
48401fcf 4891 as_warn (_("Missing label name on .LABEL"));
025b0302
ME		 4892 }
4893
4894 if (!is_end_of_statement ())
4895 {
48401fcf 4896 as_warn (_("extra .LABEL arguments ignored."));
025b0302
ME		 4897 ignore_rest_of_line ();
4898 }
4899 demand_empty_rest_of_line ();
025b0302
ME		 4900}
4901
8f78d0e9 4902/* Handle a .LEAVE pseudo-op. This is not supported yet. */
025b0302 4903
8f78d0e9
KR		 4904static void
4905pa_leave (unused)
4906 int unused;
4907{
60937ce7
JL		 4908 /* We must have a valid space and subspace. */
4909 pa_check_current_space_and_subspace ();
4910
c5e9ccd0 4911 abort ();
025b0302
ME		 4912}
4913
b81231b7
JL		 4914/* Handle a .LEVEL pseudo-op. */
4915
4916static void
4917pa_level (unused)
4918 int unused;
4919{
4920 char *level;
4921
4922 level = input_line_pointer;
4923 if (strncmp (level, "1.0", 3) == 0)
4924 {
4925 input_line_pointer += 3;
4926 if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, 10))
48401fcf 4927 as_warn (_("could not set architecture and machine"));
b81231b7
JL		 4928 }
4929 else if (strncmp (level, "1.1", 3) == 0)
4930 {
4931 input_line_pointer += 3;
4932 if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, 11))
48401fcf 4933 as_warn (_("could not set architecture and machine"));
b81231b7
JL		 4934 }
4935 else
4936 {
48401fcf 4937 as_bad (_("Unrecognized .LEVEL argument\n"));
b81231b7
JL		 4938 ignore_rest_of_line ();
4939 }
4940 demand_empty_rest_of_line ();
4941}
4942
8f78d0e9
KR		 4943/* Handle a .ORIGIN pseudo-op. */
4944
4945static void
4946pa_origin (unused)
4947 int unused;
025b0302 4948{
60937ce7
JL		 4949 /* We must have a valid space and subspace. */
4950 pa_check_current_space_and_subspace ();
4951
8f78d0e9 4952 s_org (0);
025b0302 4953 pa_undefine_label ();
025b0302
ME		 4954}
4955
8f78d0e9
KR		 4956/* Handle a .PARAM pseudo-op. This is much like a .EXPORT, except it
4957 is for static functions. FIXME. Should share more code with .EXPORT. */
5cf4cd1b 4958
8f78d0e9
KR		 4959static void
4960pa_param (unused)
4961 int unused;
5cf4cd1b 4962{
8f78d0e9
KR		 4963 char *name, c, *p;
4964 symbolS *symbol;
5cf4cd1b
KR		 4965
4966 name = input_line_pointer;
4967 c = get_symbol_end ();
5cf4cd1b 4968
8f78d0e9 4969 if ((symbol = symbol_find_or_make (name)) == NULL)
5cf4cd1b 4970 {
48401fcf 4971 as_bad (_("Cannot define static symbol: %s\n"), name);
5cf4cd1b
KR		 4972 p = input_line_pointer;
4973 *p = c;
4974 input_line_pointer++;
4975 }
4976 else
4977 {
8f78d0e9 4978 S_CLEAR_EXTERNAL (symbol);
5cf4cd1b
KR		 4979 p = input_line_pointer;
4980 *p = c;
4981 if (!is_end_of_statement ())
4982 {
4983 input_line_pointer++;
48153d49 4984 pa_type_args (symbol, 0);
5cf4cd1b
KR		 4985 }
4986 }
4987
4988 demand_empty_rest_of_line ();
5cf4cd1b
KR		 4989}
4990
8f78d0e9
KR		 4991/* Handle a .PROC pseudo-op. It is used to mark the beginning
4992 of a procedure from a syntatical point of view. */
4993
4994static void
4995pa_proc (unused)
4996 int unused;
025b0302 4997{
8f78d0e9 4998 struct call_info *call_info;
60937ce7
JL		 4999
5000 /* We must have a valid space and subspace. */
5001 pa_check_current_space_and_subspace ();
5002
025b0302 5003 if (within_procedure)
48401fcf 5004 as_fatal (_("Nested procedures"));
025b0302 5005
8f78d0e9 5006 /* Reset global variables for new procedure. */
025b0302
ME		 5007 callinfo_found = FALSE;
5008 within_procedure = TRUE;
025b0302 5009
8f78d0e9
KR		 5010 /* Create another call_info structure. */
5011 call_info = (struct call_info *) xmalloc (sizeof (struct call_info));
025b0302
ME		 5012
5013 if (!call_info)
48401fcf 5014 as_fatal (_("Cannot allocate unwind descriptor\n"));
025b0302 5015
8f78d0e9 5016 bzero (call_info, sizeof (struct call_info));
025b0302
ME		 5017
5018 call_info->ci_next = NULL;
5019
5020 if (call_info_root == NULL)
5021 {
5022 call_info_root = call_info;
5023 last_call_info = call_info;
5024 }
5025 else
5026 {
5027 last_call_info->ci_next = call_info;
5028 last_call_info = call_info;
5029 }
5030
5031 /* set up defaults on call_info structure */
5032
5033 call_info->ci_unwind.descriptor.cannot_unwind = 0;
5034 call_info->ci_unwind.descriptor.region_desc = 1;
8f78d0e9 5035 call_info->ci_unwind.descriptor.hpux_interrupt_marker = 0;
025b0302
ME		 5036
5037 /* If we got a .PROC pseudo-op, we know that the function is defined
8f78d0e9 5038 locally. Make sure it gets into the symbol table. */
025b0302 5039 {
8f78d0e9 5040 label_symbol_struct *label_symbol = pa_get_label ();
025b0302 5041
8f78d0e9 5042 if (label_symbol)
025b0302 5043 {
8f78d0e9 5044 if (label_symbol->lss_label)
025b0302 5045 {
8f78d0e9
KR		 5046 last_call_info->start_symbol = label_symbol->lss_label;
5047 label_symbol->lss_label->bsym->flags |= BSF_FUNCTION;
025b0302
ME		 5048 }
5049 else
48401fcf 5050 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
025b0302
ME		 5051 }
5052 else
4047ff1d 5053 last_call_info->start_symbol = NULL;
025b0302
ME		 5054 }
5055
5056 demand_empty_rest_of_line ();
025b0302
ME		 5057}
5058
75c28b49 5059/* Process the syntatical end of a procedure. Make sure all the
8f78d0e9
KR		 5060 appropriate pseudo-ops were found within the procedure. */
5061
5062static void
5063pa_procend (unused)
5064 int unused;
025b0302
ME		 5065{
5066
60937ce7
JL		 5067 /* We must have a valid space and subspace. */
5068 pa_check_current_space_and_subspace ();
5069
caed9e82
JL		 5070 /* If we are within a procedure definition, make sure we've
5071 defined a label for the procedure; handle case where the
75c28b49 5072 label was defined after the .PROC directive.
caed9e82
JL		 5073
5074 Note there's not need to diddle with the segment or fragment
5075 for the label symbol in this case. We have already switched
5076 into the new $CODE$ subspace at this point. */
5077 if (within_procedure && last_call_info->start_symbol == NULL)
5078 {
5079 label_symbol_struct *label_symbol = pa_get_label ();
5080
5081 if (label_symbol)
5082 {
5083 if (label_symbol->lss_label)
5084 {
5085 last_call_info->start_symbol = label_symbol->lss_label;
5086 label_symbol->lss_label->bsym->flags |= BSF_FUNCTION;
5087#ifdef OBJ_SOM
5088 /* Also handle allocation of a fixup to hold the unwind
5089 information when the label appears after the proc/procend. */
5090 if (within_entry_exit)
5091 {
5092 char *where = frag_more (0);
5093
5094 fix_new_hppa (frag_now, where - frag_now->fr_literal, 0,
75c28b49 5095 NULL, (offsetT) 0, NULL,
caed9e82 5096 0, R_HPPA_ENTRY, e_fsel, 0, 0,
75c28b49 5097 (int *) &last_call_info->ci_unwind.descriptor);
caed9e82
JL		 5098 }
5099#endif
5100 }
5101 else
48401fcf 5102 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
caed9e82
JL		 5103 }
5104 else
48401fcf 5105 as_bad (_("Missing function name for .PROC"));
caed9e82 5106 }
05210990 5107
025b0302 5108 if (!within_procedure)
48401fcf 5109 as_bad (_("misplaced .procend"));
025b0302
ME		 5110
5111 if (!callinfo_found)
48401fcf 5112 as_bad (_("Missing .callinfo for this procedure"));
025b0302
ME		 5113
5114 if (within_entry_exit)
48401fcf 5115 as_bad (_("Missing .EXIT for a .ENTRY"));
025b0302 5116
4ff6f92a
JL		 5117#ifdef OBJ_ELF
5118 /* ELF needs to mark the end of each function so that it can compute
5119 the size of the function (apparently its needed in the symbol table). */
5120 hppa_elf_mark_end_of_function ();
5121#endif
5122
025b0302
ME		 5123 within_procedure = FALSE;
5124 demand_empty_rest_of_line ();
fca59f9d 5125 pa_undefine_label ();
025b0302
ME		 5126}
5127
8f78d0e9
KR		 5128/* Parse the parameters to a .SPACE directive; if CREATE_FLAG is nonzero,
5129 then create a new space entry to hold the information specified
5130 by the parameters to the .SPACE directive. */
5131
5132static sd_chain_struct *
025b0302
ME		 5133pa_parse_space_stmt (space_name, create_flag)
5134 char *space_name;
5135 int create_flag;
5136{
8f78d0e9
KR		 5137 char *name, *ptemp, c;
5138 char loadable, defined, private, sort;
9de7c1fc 5139 int spnum, temp;
3b9a72c5 5140 asection *seg = NULL;
8f78d0e9 5141 sd_chain_struct *space;
025b0302
ME		 5142
5143 /* load default values */
5144 spnum = 0;
3b9a72c5 5145 sort = 0;
025b0302
ME		 5146 loadable = TRUE;
5147 defined = TRUE;
5148 private = FALSE;
4047ff1d 5149 if (strcmp (space_name, "$TEXT$") == 0)
025b0302 5150 {
0f3b419c 5151 seg = pa_def_spaces[0].segment;
9de7c1fc
JL		 5152 defined = pa_def_spaces[0].defined;
5153 private = pa_def_spaces[0].private;
0f3b419c 5154 sort = pa_def_spaces[0].sort;
9de7c1fc 5155 spnum = pa_def_spaces[0].spnum;
025b0302 5156 }
4047ff1d 5157 else if (strcmp (space_name, "$PRIVATE$") == 0)
025b0302 5158 {
0f3b419c 5159 seg = pa_def_spaces[1].segment;
9de7c1fc
JL		 5160 defined = pa_def_spaces[1].defined;
5161 private = pa_def_spaces[1].private;
0f3b419c 5162 sort = pa_def_spaces[1].sort;
9de7c1fc 5163 spnum = pa_def_spaces[1].spnum;
025b0302
ME		 5164 }
5165
5166 if (!is_end_of_statement ())
5167 {
5168 print_errors = FALSE;
5169 ptemp = input_line_pointer + 1;
8f78d0e9 5170 /* First see if the space was specified as a number rather than
75c28b49 5171 as a name. According to the PA assembly manual the rest of
8f78d0e9 5172 the line should be ignored. */
9de7c1fc
JL		 5173 temp = pa_parse_number (&ptemp, 0);
5174 if (temp >= 0)
5175 {
5176 spnum = temp;
5177 input_line_pointer = ptemp;
5178 }
025b0302
ME		 5179 else
5180 {
5181 while (!is_end_of_statement ())
5182 {
5183 input_line_pointer++;
5184 name = input_line_pointer;
5185 c = get_symbol_end ();
4047ff1d 5186 if ((strncasecmp (name, "spnum", 5) == 0))
025b0302 5187 {
8f78d0e9 5188 *input_line_pointer = c;
025b0302 5189 input_line_pointer++;
8f78d0e9 5190 spnum = get_absolute_expression ();
025b0302 5191 }
4047ff1d 5192 else if ((strncasecmp (name, "sort", 4) == 0))
025b0302 5193 {
8f78d0e9 5194 *input_line_pointer = c;
025b0302 5195 input_line_pointer++;
8f78d0e9 5196 sort = get_absolute_expression ();
025b0302 5197 }
4047ff1d 5198 else if ((strncasecmp (name, "unloadable", 10) == 0))
025b0302 5199 {
8f78d0e9 5200 *input_line_pointer = c;
025b0302
ME		 5201 loadable = FALSE;
5202 }
4047ff1d 5203 else if ((strncasecmp (name, "notdefined", 10) == 0))
025b0302 5204 {
8f78d0e9 5205 *input_line_pointer = c;
025b0302
ME		 5206 defined = FALSE;
5207 }
4047ff1d 5208 else if ((strncasecmp (name, "private", 7) == 0))
025b0302 5209 {
8f78d0e9 5210 *input_line_pointer = c;
025b0302
ME		 5211 private = TRUE;
5212 }
5213 else
3515a504 5214 {
48401fcf 5215 as_bad (_("Invalid .SPACE argument"));
3515a504 5216 *input_line_pointer = c;
c5e9ccd0 5217 if (!is_end_of_statement ())
3515a504
JL		 5218 input_line_pointer++;
5219 }
025b0302
ME		 5220 }
5221 }
5222 print_errors = TRUE;
5223 }
8f78d0e9 5224
3b9a72c5
JL		 5225 if (create_flag && seg == NULL)
5226 seg = subseg_new (space_name, 0);
c5e9ccd0 5227
8f78d0e9 5228 /* If create_flag is nonzero, then create the new space with
75c28b49 5229 the attributes computed above. Else set the values in
8f78d0e9
KR		 5230 an already existing space -- this can only happen for
5231 the first occurence of a built-in space. */
025b0302 5232 if (create_flag)
8f78d0e9
KR		 5233 space = create_new_space (space_name, spnum, loadable, defined,
5234 private, sort, seg, 1);
025b0302 5235 else
8f78d0e9 5236 {
025b0302
ME		 5237 space = is_defined_space (space_name);
5238 SPACE_SPNUM (space) = spnum;
025b0302 5239 SPACE_DEFINED (space) = defined & 1;
8f78d0e9 5240 SPACE_USER_DEFINED (space) = 1;
025b0302 5241 }
548ea75b
JL		 5242
5243#ifdef obj_set_section_attributes
5244 obj_set_section_attributes (seg, defined, private, sort, spnum);
5245#endif
5246
025b0302
ME		 5247 return space;
5248}
5249
8f78d0e9
KR		 5250/* Handle a .SPACE pseudo-op; this switches the current space to the
5251 given space, creating the new space if necessary. */
5252
5253static void
5254pa_space (unused)
5255 int unused;
025b0302 5256{
aa8b30ed 5257 char *name, c, *space_name, *save_s;
8f78d0e9
KR		 5258 int temp;
5259 sd_chain_struct *sd_chain;
025b0302
ME		 5260
5261 if (within_procedure)
5262 {
48401fcf 5263 as_bad (_("Can\'t change spaces within a procedure definition. Ignored"));
025b0302
ME		 5264 ignore_rest_of_line ();
5265 }
5266 else
5267 {
8f78d0e9
KR		 5268 /* Check for some of the predefined spaces. FIXME: most of the code
5269 below is repeated several times, can we extract the common parts
5270 and place them into a subroutine or something similar? */
4047ff1d
JL		 5271 /* FIXME Is this (and the next IF stmt) really right?
5272 What if INPUT_LINE_POINTER points to "$TEXT$FOO"? */
5273 if (strncmp (input_line_pointer, "$TEXT$", 6) == 0)
025b0302
ME		 5274 {
5275 input_line_pointer += 6;
5276 sd_chain = is_defined_space ("$TEXT$");
5277 if (sd_chain == NULL)
5278 sd_chain = pa_parse_space_stmt ("$TEXT$", 1);
8f78d0e9 5279 else if (SPACE_USER_DEFINED (sd_chain) == 0)
025b0302
ME		 5280 sd_chain = pa_parse_space_stmt ("$TEXT$", 0);
5281
5282 current_space = sd_chain;
80aab579 5283 subseg_set (text_section, sd_chain->sd_last_subseg);
8f78d0e9
KR		 5284 current_subspace
5285 = pa_subsegment_to_subspace (text_section,
5286 sd_chain->sd_last_subseg);
025b0302
ME		 5287 demand_empty_rest_of_line ();
5288 return;
5289 }
4047ff1d 5290 if (strncmp (input_line_pointer, "$PRIVATE$", 9) == 0)
025b0302
ME		 5291 {
5292 input_line_pointer += 9;
5293 sd_chain = is_defined_space ("$PRIVATE$");
5294 if (sd_chain == NULL)
5295 sd_chain = pa_parse_space_stmt ("$PRIVATE$", 1);
8f78d0e9 5296 else if (SPACE_USER_DEFINED (sd_chain) == 0)
025b0302
ME		 5297 sd_chain = pa_parse_space_stmt ("$PRIVATE$", 0);
5298
5299 current_space = sd_chain;
80aab579 5300 subseg_set (data_section, sd_chain->sd_last_subseg);
8f78d0e9
KR		 5301 current_subspace
5302 = pa_subsegment_to_subspace (data_section,
5303 sd_chain->sd_last_subseg);
025b0302
ME		 5304 demand_empty_rest_of_line ();
5305 return;
5306 }
8f78d0e9
KR		 5307 if (!strncasecmp (input_line_pointer,
5308 GDB_DEBUG_SPACE_NAME,
5309 strlen (GDB_DEBUG_SPACE_NAME)))
025b0302
ME		 5310 {
5311 input_line_pointer += strlen (GDB_DEBUG_SPACE_NAME);
5312 sd_chain = is_defined_space (GDB_DEBUG_SPACE_NAME);
5313 if (sd_chain == NULL)
5314 sd_chain = pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME, 1);
8f78d0e9 5315 else if (SPACE_USER_DEFINED (sd_chain) == 0)
025b0302
ME		 5316 sd_chain = pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME, 0);
5317
5318 current_space = sd_chain;
80aab579 5319
5cf4cd1b 5320 {
8f78d0e9
KR		 5321 asection *gdb_section
5322 = bfd_make_section_old_way (stdoutput, GDB_DEBUG_SPACE_NAME);
5323
8f78d0e9
KR		 5324 subseg_set (gdb_section, sd_chain->sd_last_subseg);
5325 current_subspace
5326 = pa_subsegment_to_subspace (gdb_section,
5327 sd_chain->sd_last_subseg);
5cf4cd1b 5328 }
025b0302
ME		 5329 demand_empty_rest_of_line ();
5330 return;
5331 }
5332
8f78d0e9 5333 /* It could be a space specified by number. */
aa8b30ed
JL		 5334 print_errors = 0;
5335 save_s = input_line_pointer;
8f78d0e9 5336 if ((temp = pa_parse_number (&input_line_pointer, 0)) >= 0)
025b0302 5337 {
655f3ef4 5338 if ((sd_chain = pa_find_space_by_number (temp)))
025b0302
ME		 5339 {
5340 current_space = sd_chain;
8f78d0e9 5341
80aab579 5342 subseg_set (sd_chain->sd_seg, sd_chain->sd_last_subseg);
8f78d0e9
KR		 5343 current_subspace
5344 = pa_subsegment_to_subspace (sd_chain->sd_seg,
5345 sd_chain->sd_last_subseg);
025b0302
ME		 5346 demand_empty_rest_of_line ();
5347 return;
5348 }
5349 }
5350
8f78d0e9 5351 /* Not a number, attempt to create a new space. */
aa8b30ed
JL		 5352 print_errors = 1;
5353 input_line_pointer = save_s;
025b0302
ME		 5354 name = input_line_pointer;
5355 c = get_symbol_end ();
8f78d0e9 5356 space_name = xmalloc (strlen (name) + 1);
025b0302
ME		 5357 strcpy (space_name, name);
5358 *input_line_pointer = c;
5359
5360 sd_chain = pa_parse_space_stmt (space_name, 1);
5361 current_space = sd_chain;
8f78d0e9 5362
80aab579 5363 subseg_set (sd_chain->sd_seg, sd_chain->sd_last_subseg);
025b0302
ME		 5364 current_subspace = pa_subsegment_to_subspace (sd_chain->sd_seg,
5365 sd_chain->sd_last_subseg);
5366 demand_empty_rest_of_line ();
5367 }
025b0302
ME		 5368}
5369
c5e9ccd0 5370/* Switch to a new space. (I think). FIXME. */
8f78d0e9
KR		 5371
5372static void
5373pa_spnum (unused)
5374 int unused;
025b0302 5375{
8f78d0e9
KR		 5376 char *name;
5377 char c;
5378 char *p;
5379 sd_chain_struct *space;
025b0302
ME		 5380
5381 name = input_line_pointer;
5382 c = get_symbol_end ();
5383 space = is_defined_space (name);
5384 if (space)
5385 {
5386 p = frag_more (4);
025b0302
ME		 5387 md_number_to_chars (p, SPACE_SPNUM (space), 4);
5388 }
5389 else
48401fcf 5390 as_warn (_("Undefined space: '%s' Assuming space number = 0."), name);
025b0302
ME		 5391
5392 *input_line_pointer = c;
5393 demand_empty_rest_of_line ();
025b0302
ME		 5394}
5395
75c28b49 5396/* If VALUE is an exact power of two between zero and 2^31, then
aa8b30ed 5397 return log2 (VALUE). Else return -1. */
8f78d0e9
KR		 5398
5399static int
aa8b30ed 5400log2 (value)
025b0302
ME		 5401 int value;
5402{
8f78d0e9 5403 int shift = 0;
025b0302 5404
025b0302
ME		 5405 while ((1 << shift) != value && shift < 32)
5406 shift++;
5407
5408 if (shift >= 32)
aa8b30ed 5409 return -1;
8f78d0e9 5410 else
aa8b30ed 5411 return shift;
025b0302
ME		 5412}
5413
3b9a72c5 5414/* Handle a .SUBSPACE pseudo-op; this switches the current subspace to the
75c28b49 5415 given subspace, creating the new subspace if necessary.
8f78d0e9 5416
75c28b49 5417 FIXME. Should mirror pa_space more closely, in particular how
8f78d0e9
KR		 5418 they're broken up into subroutines. */
5419
5420static void
83b59013
JL		 5421pa_subspace (create_new)
5422 int create_new;
025b0302 5423{
3b9a72c5 5424 char *name, *ss_name, *alias, c;
8f78d0e9 5425 char loadable, code_only, common, dup_common, zero, sort;
3b9a72c5 5426 int i, access, space_index, alignment, quadrant, applicable, flags;
8f78d0e9
KR		 5427 sd_chain_struct *space;
5428 ssd_chain_struct *ssd;
3b9a72c5 5429 asection *section;
025b0302 5430
60937ce7 5431 if (current_space == NULL)
48401fcf 5432 as_fatal (_("Must be in a space before changing or declaring subspaces.\n"));
60937ce7 5433
025b0302
ME		 5434 if (within_procedure)
5435 {
48401fcf 5436 as_bad (_("Can\'t change subspaces within a procedure definition. Ignored"));
025b0302
ME		 5437 ignore_rest_of_line ();
5438 }
5439 else
5440 {
5441 name = input_line_pointer;
5442 c = get_symbol_end ();
025b0302
ME		 5443 ss_name = xmalloc (strlen (name) + 1);
5444 strcpy (ss_name, name);
025b0302
ME		 5445 *input_line_pointer = c;
5446
8f78d0e9 5447 /* Load default values. */
025b0302
ME		 5448 sort = 0;
5449 access = 0x7f;
5450 loadable = 1;
5451 common = 0;
5452 dup_common = 0;
5453 code_only = 0;
5454 zero = 0;
8f78d0e9 5455 space_index = ~0;
e67b3aa3 5456 alignment = 1;
025b0302 5457 quadrant = 0;
3b9a72c5 5458 alias = NULL;
025b0302 5459
3b9a72c5 5460 space = current_space;
83b59013
JL		 5461 if (create_new)
5462 ssd = NULL;
5463 else
5464 ssd = is_defined_subspace (ss_name);
47f45d66 5465 /* Allow user to override the builtin attributes of subspaces. But
c5e9ccd0 5466 only allow the attributes to be changed once! */
47f45d66 5467 if (ssd && SUBSPACE_DEFINED (ssd))
025b0302 5468 {
8f78d0e9 5469 subseg_set (ssd->ssd_seg, ssd->ssd_subseg);
dc1b1221 5470 current_subspace = ssd;
8f78d0e9 5471 if (!is_end_of_statement ())
48401fcf 5472 as_warn (_("Parameters of an existing subspace can\'t be modified"));
8f78d0e9
KR		 5473 demand_empty_rest_of_line ();
5474 return;
025b0302
ME		 5475 }
5476 else
5477 {
3b9a72c5
JL		 5478 /* A new subspace. Load default values if it matches one of
5479 the builtin subspaces. */
025b0302
ME		 5480 i = 0;
5481 while (pa_def_subspaces[i].name)
5482 {
5483 if (strcasecmp (pa_def_subspaces[i].name, ss_name) == 0)
5484 {
5485 loadable = pa_def_subspaces[i].loadable;
5486 common = pa_def_subspaces[i].common;
5487 dup_common = pa_def_subspaces[i].dup_common;
5488 code_only = pa_def_subspaces[i].code_only;
5489 zero = pa_def_subspaces[i].zero;
5490 space_index = pa_def_subspaces[i].space_index;
8f78d0e9 5491 alignment = pa_def_subspaces[i].alignment;
025b0302
ME		 5492 quadrant = pa_def_subspaces[i].quadrant;
5493 access = pa_def_subspaces[i].access;
5494 sort = pa_def_subspaces[i].sort;
3b9a72c5
JL		 5495 if (USE_ALIASES && pa_def_subspaces[i].alias)
5496 alias = pa_def_subspaces[i].alias;
025b0302
ME		 5497 break;
5498 }
5499 i++;
5500 }
5501 }
5502
8f78d0e9
KR		 5503 /* We should be working with a new subspace now. Fill in
5504 any information as specified by the user. */
025b0302
ME		 5505 if (!is_end_of_statement ())
5506 {
5507 input_line_pointer++;
5508 while (!is_end_of_statement ())
5509 {
5510 name = input_line_pointer;
5511 c = get_symbol_end ();
4047ff1d 5512 if ((strncasecmp (name, "quad", 4) == 0))
025b0302
ME		 5513 {
5514 *input_line_pointer = c;
5515 input_line_pointer++;
8f78d0e9 5516 quadrant = get_absolute_expression ();
025b0302 5517 }
4047ff1d 5518 else if ((strncasecmp (name, "align", 5) == 0))
025b0302
ME		 5519 {
5520 *input_line_pointer = c;
5521 input_line_pointer++;
8f78d0e9 5522 alignment = get_absolute_expression ();
aa8b30ed 5523 if (log2 (alignment) == -1)
025b0302 5524 {
48401fcf 5525 as_bad (_("Alignment must be a power of 2"));
025b0302
ME		 5526 alignment = 1;
5527 }
5528 }
4047ff1d 5529 else if ((strncasecmp (name, "access", 6) == 0))
025b0302
ME		 5530 {
5531 *input_line_pointer = c;
5532 input_line_pointer++;
8f78d0e9 5533 access = get_absolute_expression ();
025b0302 5534 }
4047ff1d 5535 else if ((strncasecmp (name, "sort", 4) == 0))
025b0302
ME		 5536 {
5537 *input_line_pointer = c;
5538 input_line_pointer++;
8f78d0e9 5539 sort = get_absolute_expression ();
025b0302 5540 }
4047ff1d 5541 else if ((strncasecmp (name, "code_only", 9) == 0))
025b0302
ME		 5542 {
5543 *input_line_pointer = c;
5544 code_only = 1;
5545 }
4047ff1d 5546 else if ((strncasecmp (name, "unloadable", 10) == 0))
025b0302
ME		 5547 {
5548 *input_line_pointer = c;
5549 loadable = 0;
5550 }
4047ff1d 5551 else if ((strncasecmp (name, "common", 6) == 0))
025b0302
ME		 5552 {
5553 *input_line_pointer = c;
5554 common = 1;
5555 }
4047ff1d 5556 else if ((strncasecmp (name, "dup_comm", 8) == 0))
025b0302
ME		 5557 {
5558 *input_line_pointer = c;
5559 dup_common = 1;
5560 }
4047ff1d 5561 else if ((strncasecmp (name, "zero", 4) == 0))
025b0302
ME		 5562 {
5563 *input_line_pointer = c;
5564 zero = 1;
5565 }
4047ff1d 5566 else if ((strncasecmp (name, "first", 5) == 0))
48401fcf 5567 as_bad (_("FIRST not supported as a .SUBSPACE argument"));
025b0302 5568 else
48401fcf 5569 as_bad (_("Invalid .SUBSPACE argument"));
025b0302
ME		 5570 if (!is_end_of_statement ())
5571 input_line_pointer++;
5572 }
5573 }
8f78d0e9 5574
3b9a72c5 5575 /* Compute a reasonable set of BFD flags based on the information
c5e9ccd0 5576 in the .subspace directive. */
3b9a72c5
JL		 5577 applicable = bfd_applicable_section_flags (stdoutput);
5578 flags = 0;
5579 if (loadable)
5580 flags |= (SEC_ALLOC | SEC_LOAD);
5581 if (code_only)
5582 flags |= SEC_CODE;
5583 if (common || dup_common)
5584 flags |= SEC_IS_COMMON;
5585
b8f7596c
JL		 5586 flags |= SEC_RELOC | SEC_HAS_CONTENTS;
5587
3b9a72c5
JL		 5588 /* This is a zero-filled subspace (eg BSS). */
5589 if (zero)
b8f7596c 5590 flags &= ~(SEC_LOAD | SEC_HAS_CONTENTS);
3b9a72c5 5591
3b9a72c5
JL		 5592 applicable &= flags;
5593
75c28b49 5594 /* If this is an existing subspace, then we want to use the
c5e9ccd0 5595 segment already associated with the subspace.
3b9a72c5 5596
c5e9ccd0
JL		 5597 FIXME NOW! ELF BFD doesn't appear to be ready to deal with
5598 lots of sections. It might be a problem in the PA ELF
5599 code, I do not know yet. For now avoid creating anything
5600 but the "standard" sections for ELF. */
83b59013
JL		 5601 if (create_new)
5602 section = subseg_force_new (ss_name, 0);
5603 else if (ssd)
3b9a72c5 5604 section = ssd->ssd_seg;
47f45d66 5605 else if (alias)
3b9a72c5 5606 section = subseg_new (alias, 0);
c5e9ccd0 5607 else if (!alias && USE_ALIASES)
3b9a72c5 5608 {
48401fcf 5609 as_warn (_("Ignoring subspace decl due to ELF BFD bugs."));
3b9a72c5
JL		 5610 demand_empty_rest_of_line ();
5611 return;
5612 }
c5e9ccd0 5613 else
3b9a72c5
JL		 5614 section = subseg_new (ss_name, 0);
5615
b4682e51
JL		 5616 if (zero)
5617 seg_info (section)->bss = 1;
5618
3b9a72c5
JL		 5619 /* Now set the flags. */
5620 bfd_set_section_flags (stdoutput, section, applicable);
5621
5622 /* Record any alignment request for this section. */
5623 record_alignment (section, log2 (alignment));
5624
5625 /* Set the starting offset for this section. */
5626 bfd_set_section_vma (stdoutput, section,
5627 pa_subspace_start (space, quadrant));
c5e9ccd0 5628
8f78d0e9 5629 /* Now that all the flags are set, update an existing subspace,
3b9a72c5 5630 or create a new one. */
025b0302 5631 if (ssd)
3b9a72c5
JL		 5632
5633 current_subspace = update_subspace (space, ss_name, loadable,
5634 code_only, common, dup_common,
5635 sort, zero, access, space_index,
c5e9ccd0 5636 alignment, quadrant,
47f45d66 5637 section);
025b0302 5638 else
8f78d0e9
KR		 5639 current_subspace = create_new_subspace (space, ss_name, loadable,
5640 code_only, common,
5641 dup_common, zero, sort,
5642 access, space_index,
c5e9ccd0 5643 alignment, quadrant, section);
025b0302
ME		 5644
5645 demand_empty_rest_of_line ();
3b9a72c5 5646 current_subspace->ssd_seg = section;
80aab579 5647 subseg_set (current_subspace->ssd_seg, current_subspace->ssd_subseg);
025b0302 5648 }
47f45d66 5649 SUBSPACE_DEFINED (current_subspace) = 1;
025b0302
ME		 5650}
5651
025b0302 5652
8f78d0e9 5653/* Create default space and subspace dictionaries. */
025b0302 5654
c5e9ccd0 5655static void
025b0302
ME		 5656pa_spaces_begin ()
5657{
025b0302 5658 int i;
025b0302
ME		 5659
5660 space_dict_root = NULL;
5661 space_dict_last = NULL;
5662
025b0302
ME		 5663 i = 0;
5664 while (pa_def_spaces[i].name)
5665 {
3b9a72c5
JL		 5666 char *name;
5667
5668 /* Pick the right name to use for the new section. */
5669 if (pa_def_spaces[i].alias && USE_ALIASES)
5670 name = pa_def_spaces[i].alias;
025b0302 5671 else
c5e9ccd0 5672 name = pa_def_spaces[i].name;
025b0302 5673
3b9a72c5 5674 pa_def_spaces[i].segment = subseg_new (name, 0);
025b0302
ME		 5675 create_new_space (pa_def_spaces[i].name, pa_def_spaces[i].spnum,
5676 pa_def_spaces[i].loadable, pa_def_spaces[i].defined,
8f78d0e9
KR		 5677 pa_def_spaces[i].private, pa_def_spaces[i].sort,
5678 pa_def_spaces[i].segment, 0);
025b0302
ME		 5679 i++;
5680 }
5681
5682 i = 0;
5683 while (pa_def_subspaces[i].name)
5684 {
3b9a72c5
JL		 5685 char *name;
5686 int applicable, subsegment;
5687 asection *segment = NULL;
5688 sd_chain_struct *space;
5689
5690 /* Pick the right name for the new section and pick the right
c5e9ccd0 5691 subsegment number. */
3b9a72c5 5692 if (pa_def_subspaces[i].alias && USE_ALIASES)
025b0302 5693 {
3b9a72c5
JL		 5694 name = pa_def_subspaces[i].alias;
5695 subsegment = pa_def_subspaces[i].subsegment;
025b0302
ME		 5696 }
5697 else
3b9a72c5
JL		 5698 {
5699 name = pa_def_subspaces[i].name;
5700 subsegment = 0;
5701 }
c5e9ccd0 5702
3b9a72c5
JL		 5703 /* Create the new section. */
5704 segment = subseg_new (name, subsegment);
5705
5706
5707 /* For SOM we want to replace the standard .text, .data, and .bss
9de7c1fc
JL		 5708 sections with our own. We also want to set BFD flags for
5709 all the built-in subspaces. */
c5e9ccd0 5710 if (!strcmp (pa_def_subspaces[i].name, "$CODE$") && !USE_ALIASES)
3b9a72c5
JL		 5711 {
5712 text_section = segment;
5713 applicable = bfd_applicable_section_flags (stdoutput);
9de7c1fc 5714 bfd_set_section_flags (stdoutput, segment,
c5e9ccd0
JL		 5715 applicable & (SEC_ALLOC | SEC_LOAD
5716 | SEC_RELOC | SEC_CODE
5717 | SEC_READONLY
3b9a72c5
JL		 5718 | SEC_HAS_CONTENTS));
5719 }
c5e9ccd0 5720 else if (!strcmp (pa_def_subspaces[i].name, "$DATA$") && !USE_ALIASES)
3b9a72c5
JL		 5721 {
5722 data_section = segment;
5723 applicable = bfd_applicable_section_flags (stdoutput);
9de7c1fc 5724 bfd_set_section_flags (stdoutput, segment,
c5e9ccd0 5725 applicable & (SEC_ALLOC | SEC_LOAD
3b9a72c5
JL		 5726 | SEC_RELOC
5727 | SEC_HAS_CONTENTS));
c5e9ccd0
JL		 5728
5729
3b9a72c5 5730 }
c5e9ccd0 5731 else if (!strcmp (pa_def_subspaces[i].name, "$BSS$") && !USE_ALIASES)
3b9a72c5
JL		 5732 {
5733 bss_section = segment;
5734 applicable = bfd_applicable_section_flags (stdoutput);
9de7c1fc 5735 bfd_set_section_flags (stdoutput, segment,
3b9a72c5
JL		 5736 applicable & SEC_ALLOC);
5737 }
9de7c1fc
JL		 5738 else if (!strcmp (pa_def_subspaces[i].name, "$LIT$") && !USE_ALIASES)
5739 {
5740 applicable = bfd_applicable_section_flags (stdoutput);
5741 bfd_set_section_flags (stdoutput, segment,
5742 applicable & (SEC_ALLOC | SEC_LOAD
5743 | SEC_RELOC
5744 | SEC_READONLY
5745 | SEC_HAS_CONTENTS));
5746 }
b81231b7
JL		 5747 else if (!strcmp (pa_def_subspaces[i].name, "$MILLICODE$")
5748 && !USE_ALIASES)
5749 {
5750 applicable = bfd_applicable_section_flags (stdoutput);
5751 bfd_set_section_flags (stdoutput, segment,
5752 applicable & (SEC_ALLOC | SEC_LOAD
5753 | SEC_RELOC
5754 | SEC_READONLY
5755 | SEC_HAS_CONTENTS));
5756 }
9de7c1fc
JL		 5757 else if (!strcmp (pa_def_subspaces[i].name, "$UNWIND$") && !USE_ALIASES)
5758 {
5759 applicable = bfd_applicable_section_flags (stdoutput);
5760 bfd_set_section_flags (stdoutput, segment,
5761 applicable & (SEC_ALLOC | SEC_LOAD
5762 | SEC_RELOC
5763 | SEC_READONLY
5764 | SEC_HAS_CONTENTS));
5765 }
3b9a72c5
JL		 5766
5767 /* Find the space associated with this subspace. */
5768 space = pa_segment_to_space (pa_def_spaces[pa_def_subspaces[i].
5769 def_space_index].segment);
5770 if (space == NULL)
5771 {
48401fcf 5772 as_fatal (_("Internal error: Unable to find containing space for %s."),
3b9a72c5
JL		 5773 pa_def_subspaces[i].name);
5774 }
5775
5776 create_new_subspace (space, name,
5777 pa_def_subspaces[i].loadable,
5778 pa_def_subspaces[i].code_only,
5779 pa_def_subspaces[i].common,
5780 pa_def_subspaces[i].dup_common,
5781 pa_def_subspaces[i].zero,
5782 pa_def_subspaces[i].sort,
5783 pa_def_subspaces[i].access,
5784 pa_def_subspaces[i].space_index,
5785 pa_def_subspaces[i].alignment,
5786 pa_def_subspaces[i].quadrant,
5787 segment);
025b0302
ME		 5788 i++;
5789 }
5790}
5791
8f78d0e9
KR		 5792
5793
5794/* Create a new space NAME, with the appropriate flags as defined
dd2f509f 5795 by the given parameters. */
8f78d0e9
KR		 5796
5797static sd_chain_struct *
5798create_new_space (name, spnum, loadable, defined, private,
5799 sort, seg, user_defined)
025b0302
ME		 5800 char *name;
5801 int spnum;
de3ffc7a
JL		 5802 int loadable;
5803 int defined;
5804 int private;
5805 int sort;
025b0302 5806 asection *seg;
8f78d0e9 5807 int user_defined;
025b0302 5808{
8f78d0e9
KR		 5809 sd_chain_struct *chain_entry;
5810
5811 chain_entry = (sd_chain_struct *) xmalloc (sizeof (sd_chain_struct));
025b0302 5812 if (!chain_entry)
48401fcf 5813 as_fatal (_("Out of memory: could not allocate new space chain entry: %s\n"),
8f78d0e9 5814 name);
025b0302
ME		 5815
5816 SPACE_NAME (chain_entry) = (char *) xmalloc (strlen (name) + 1);
5817 strcpy (SPACE_NAME (chain_entry), name);
8f78d0e9
KR		 5818 SPACE_DEFINED (chain_entry) = defined;
5819 SPACE_USER_DEFINED (chain_entry) = user_defined;
8f78d0e9 5820 SPACE_SPNUM (chain_entry) = spnum;
025b0302 5821
025b0302
ME		 5822 chain_entry->sd_seg = seg;
5823 chain_entry->sd_last_subseg = -1;
fbf71886 5824 chain_entry->sd_subspaces = NULL;
025b0302
ME		 5825 chain_entry->sd_next = NULL;
5826
8f78d0e9 5827 /* Find spot for the new space based on its sort key. */
025b0302
ME		 5828 if (!space_dict_last)
5829 space_dict_last = chain_entry;
5830
8f78d0e9 5831 if (space_dict_root == NULL)
025b0302
ME		 5832 space_dict_root = chain_entry;
5833 else
5834 {
8f78d0e9
KR		 5835 sd_chain_struct *chain_pointer;
5836 sd_chain_struct *prev_chain_pointer;
025b0302 5837
8f78d0e9
KR		 5838 chain_pointer = space_dict_root;
5839 prev_chain_pointer = NULL;
025b0302 5840
8f78d0e9 5841 while (chain_pointer)
025b0302 5842 {
dd2f509f
JL		 5843 prev_chain_pointer = chain_pointer;
5844 chain_pointer = chain_pointer->sd_next;
025b0302
ME		 5845 }
5846
8f78d0e9
KR		 5847 /* At this point we've found the correct place to add the new
5848 entry. So add it and update the linked lists as appropriate. */
5849 if (prev_chain_pointer)
025b0302 5850 {
8f78d0e9
KR		 5851 chain_entry->sd_next = chain_pointer;
5852 prev_chain_pointer->sd_next = chain_entry;
025b0302
ME		 5853 }
5854 else
5855 {
5856 space_dict_root = chain_entry;
8f78d0e9 5857 chain_entry->sd_next = chain_pointer;
025b0302
ME		 5858 }
5859
5860 if (chain_entry->sd_next == NULL)
5861 space_dict_last = chain_entry;
5862 }
5863
548ea75b
JL		 5864 /* This is here to catch predefined spaces which do not get
5865 modified by the user's input. Another call is found at
5866 the bottom of pa_parse_space_stmt to handle cases where
5867 the user modifies a predefined space. */
5868#ifdef obj_set_section_attributes
5869 obj_set_section_attributes (seg, defined, private, sort, spnum);
5870#endif
5871
025b0302
ME		 5872 return chain_entry;
5873}
5874
8f78d0e9
KR		 5875/* Create a new subspace NAME, with the appropriate flags as defined
5876 by the given parameters.
5877
5878 Add the new subspace to the subspace dictionary chain in numerical
5879 order as defined by the SORT entries. */
5880
5881static ssd_chain_struct *
5882create_new_subspace (space, name, loadable, code_only, common,
5883 dup_common, is_zero, sort, access, space_index,
5884 alignment, quadrant, seg)
5885 sd_chain_struct *space;
025b0302 5886 char *name;
de3ffc7a
JL		 5887 int loadable, code_only, common, dup_common, is_zero;
5888 int sort;
025b0302
ME		 5889 int access;
5890 int space_index;
5891 int alignment;
5892 int quadrant;
5893 asection *seg;
5894{
8f78d0e9 5895 ssd_chain_struct *chain_entry;
025b0302 5896
8f78d0e9 5897 chain_entry = (ssd_chain_struct *) xmalloc (sizeof (ssd_chain_struct));
025b0302 5898 if (!chain_entry)
48401fcf 5899 as_fatal (_("Out of memory: could not allocate new subspace chain entry: %s\n"), name);
025b0302 5900
025b0302
ME		 5901 SUBSPACE_NAME (chain_entry) = (char *) xmalloc (strlen (name) + 1);
5902 strcpy (SUBSPACE_NAME (chain_entry), name);
5903
240cbc57
JL		 5904 /* Initialize subspace_defined. When we hit a .subspace directive
5905 we'll set it to 1 which "locks-in" the subspace attributes. */
5906 SUBSPACE_DEFINED (chain_entry) = 0;
5907
3b9a72c5 5908 chain_entry->ssd_subseg = USE_ALIASES ? pa_next_subseg (space) : 0;
025b0302 5909 chain_entry->ssd_seg = seg;
025b0302
ME		 5910 chain_entry->ssd_next = NULL;
5911
8f78d0e9
KR		 5912 /* Find spot for the new subspace based on its sort key. */
5913 if (space->sd_subspaces == NULL)
025b0302
ME		 5914 space->sd_subspaces = chain_entry;
5915 else
5916 {
8f78d0e9
KR		 5917 ssd_chain_struct *chain_pointer;
5918 ssd_chain_struct *prev_chain_pointer;
025b0302 5919
8f78d0e9
KR		 5920 chain_pointer = space->sd_subspaces;
5921 prev_chain_pointer = NULL;
025b0302 5922
8f78d0e9 5923 while (chain_pointer)
025b0302 5924 {
dd2f509f
JL		 5925 prev_chain_pointer = chain_pointer;
5926 chain_pointer = chain_pointer->ssd_next;
025b0302
ME		 5927 }
5928
8f78d0e9
KR		 5929 /* Now we have somewhere to put the new entry. Insert it and update
5930 the links. */
5931 if (prev_chain_pointer)
025b0302 5932 {
8f78d0e9
KR		 5933 chain_entry->ssd_next = chain_pointer;
5934 prev_chain_pointer->ssd_next = chain_entry;
025b0302
ME		 5935 }
5936 else
5937 {
5938 space->sd_subspaces = chain_entry;
8f78d0e9 5939 chain_entry->ssd_next = chain_pointer;
025b0302
ME		 5940 }
5941 }
5942
548ea75b 5943#ifdef obj_set_subsection_attributes
c5e9ccd0 5944 obj_set_subsection_attributes (seg, space->sd_seg, access,
548ea75b
JL		 5945 sort, quadrant);
5946#endif
5947
025b0302 5948 return chain_entry;
025b0302
ME		 5949}
5950
8f78d0e9
KR		 5951/* Update the information for the given subspace based upon the
5952 various arguments. Return the modified subspace chain entry. */
5953
5954static ssd_chain_struct *
3b9a72c5 5955update_subspace (space, name, loadable, code_only, common, dup_common, sort,
18c4f112 5956 zero, access, space_index, alignment, quadrant, section)
3b9a72c5 5957 sd_chain_struct *space;
025b0302 5958 char *name;
de3ffc7a
JL		 5959 int loadable;
5960 int code_only;
5961 int common;
5962 int dup_common;
5963 int zero;
5964 int sort;
025b0302
ME		 5965 int access;
5966 int space_index;
5967 int alignment;
5968 int quadrant;
18c4f112 5969 asection *section;
025b0302 5970{
8f78d0e9 5971 ssd_chain_struct *chain_entry;
025b0302 5972
dd2f509f 5973 chain_entry = is_defined_subspace (name);
025b0302 5974
548ea75b 5975#ifdef obj_set_subsection_attributes
c5e9ccd0 5976 obj_set_subsection_attributes (section, space->sd_seg, access,
548ea75b
JL		 5977 sort, quadrant);
5978#endif
5979
025b0302 5980 return chain_entry;
025b0302
ME		 5981}
5982
8f78d0e9
KR		 5983/* Return the space chain entry for the space with the name NAME or
5984 NULL if no such space exists. */
5985
5986static sd_chain_struct *
025b0302
ME		 5987is_defined_space (name)
5988 char *name;
5989{
8f78d0e9 5990 sd_chain_struct *chain_pointer;
025b0302 5991
8f78d0e9
KR		 5992 for (chain_pointer = space_dict_root;
5993 chain_pointer;
5994 chain_pointer = chain_pointer->sd_next)
025b0302 5995 {
8f78d0e9
KR		 5996 if (strcmp (SPACE_NAME (chain_pointer), name) == 0)
5997 return chain_pointer;
025b0302
ME		 5998 }
5999
8f78d0e9 6000 /* No mapping from segment to space was found. Return NULL. */
025b0302
ME		 6001 return NULL;
6002}
6003
75c28b49 6004/* Find and return the space associated with the given seg. If no mapping
8f78d0e9
KR		 6005 from the given seg to a space is found, then return NULL.
6006
6007 Unlike subspaces, the number of spaces is not expected to grow much,
6008 so a linear exhaustive search is OK here. */
6009
6010static sd_chain_struct *
025b0302
ME		 6011pa_segment_to_space (seg)
6012 asection *seg;
6013{
8f78d0e9 6014 sd_chain_struct *space_chain;
025b0302 6015
8f78d0e9
KR		 6016 /* Walk through each space looking for the correct mapping. */
6017 for (space_chain = space_dict_root;
6018 space_chain;
6019 space_chain = space_chain->sd_next)
025b0302 6020 {
8f78d0e9
KR		 6021 if (space_chain->sd_seg == seg)
6022 return space_chain;
025b0302
ME		 6023 }
6024
8f78d0e9 6025 /* Mapping was not found. Return NULL. */
025b0302
ME		 6026 return NULL;
6027}
6028
8f78d0e9
KR		 6029/* Return the space chain entry for the subspace with the name NAME or
6030 NULL if no such subspace exists.
6031
6032 Uses a linear search through all the spaces and subspaces, this may
6033 not be appropriate if we ever being placing each function in its
6034 own subspace. */
6035
6036static ssd_chain_struct *
47f45d66 6037is_defined_subspace (name)
025b0302 6038 char *name;
025b0302 6039{
c5e9ccd0 6040 sd_chain_struct *space_chain;
8f78d0e9 6041 ssd_chain_struct *subspace_chain;
025b0302 6042
8f78d0e9
KR		 6043 /* Walk through each space. */
6044 for (space_chain = space_dict_root;
6045 space_chain;
6046 space_chain = space_chain->sd_next)
025b0302 6047 {
8f78d0e9
KR		 6048 /* Walk through each subspace looking for a name which matches. */
6049 for (subspace_chain = space_chain->sd_subspaces;
6050 subspace_chain;
6051 subspace_chain = subspace_chain->ssd_next)
6052 if (strcmp (SUBSPACE_NAME (subspace_chain), name) == 0)
6053 return subspace_chain;
025b0302 6054 }
8f78d0e9
KR		 6055
6056 /* Subspace wasn't found. Return NULL. */
025b0302
ME		 6057 return NULL;
6058}
6059
8f78d0e9
KR		 6060/* Find and return the subspace associated with the given seg. If no
6061 mapping from the given seg to a subspace is found, then return NULL.
6062
75c28b49 6063 If we ever put each procedure/function within its own subspace
8f78d0e9
KR		 6064 (to make life easier on the compiler and linker), then this will have
6065 to become more efficient. */
6066
6067static ssd_chain_struct *
025b0302
ME		 6068pa_subsegment_to_subspace (seg, subseg)
6069 asection *seg;
6070 subsegT subseg;
6071{
8f78d0e9
KR		 6072 sd_chain_struct *space_chain;
6073 ssd_chain_struct *subspace_chain;
025b0302 6074
8f78d0e9
KR		 6075 /* Walk through each space. */
6076 for (space_chain = space_dict_root;
6077 space_chain;
6078 space_chain = space_chain->sd_next)
025b0302 6079 {
8f78d0e9 6080 if (space_chain->sd_seg == seg)
025b0302 6081 {
8f78d0e9
KR		 6082 /* Walk through each subspace within each space looking for
6083 the correct mapping. */
6084 for (subspace_chain = space_chain->sd_subspaces;
6085 subspace_chain;
6086 subspace_chain = subspace_chain->ssd_next)
6087 if (subspace_chain->ssd_subseg == (int) subseg)
6088 return subspace_chain;
025b0302
ME		 6089 }
6090 }
6091
8f78d0e9 6092 /* No mapping from subsegment to subspace found. Return NULL. */
025b0302
ME		 6093 return NULL;
6094}
6095
75c28b49 6096/* Given a number, try and find a space with the name number.
8f78d0e9
KR		 6097
6098 Return a pointer to a space dictionary chain entry for the space
6099 that was found or NULL on failure. */
6100
6101static sd_chain_struct *
025b0302
ME		 6102pa_find_space_by_number (number)
6103 int number;
6104{
8f78d0e9 6105 sd_chain_struct *space_chain;
025b0302 6106
8f78d0e9
KR		 6107 for (space_chain = space_dict_root;
6108 space_chain;
6109 space_chain = space_chain->sd_next)
025b0302 6110 {
8f78d0e9
KR		 6111 if (SPACE_SPNUM (space_chain) == number)
6112 return space_chain;
025b0302
ME		 6113 }
6114
8f78d0e9 6115 /* No appropriate space found. Return NULL. */
025b0302
ME		 6116 return NULL;
6117}
6118
8f78d0e9
KR		 6119/* Return the starting address for the given subspace. If the starting
6120 address is unknown then return zero. */
6121
6122static unsigned int
025b0302 6123pa_subspace_start (space, quadrant)
8f78d0e9 6124 sd_chain_struct *space;
025b0302
ME		 6125 int quadrant;
6126{
48401fcf 6127#ifdef OBJ_SOM
8f78d0e9
KR		 6128 /* FIXME. Assumes everyone puts read/write data at 0x4000000, this
6129 is not correct for the PA OSF1 port. */
4047ff1d 6130 if ((strcmp (SPACE_NAME (space), "$PRIVATE$") == 0) && quadrant == 1)
8f78d0e9 6131 return 0x40000000;
025b0302 6132 else if (space->sd_seg == data_section && quadrant == 1)
8f78d0e9 6133 return 0x40000000;
025b0302
ME		 6134 else
6135 return 0;
48401fcf
TT		 6136#endif
6137 return 0;
025b0302
ME		 6138}
6139
8f78d0e9
KR		 6140/* FIXME. Needs documentation. */
6141static int
025b0302 6142pa_next_subseg (space)
8f78d0e9 6143 sd_chain_struct *space;
025b0302
ME		 6144{
6145
6146 space->sd_last_subseg++;
6147 return space->sd_last_subseg;
6148}
6149
75c28b49 6150/* Helper function for pa_stringer. Used to find the end of
8f78d0e9
KR		 6151 a string. */
6152
025b0302
ME		 6153static unsigned int
6154pa_stringer_aux (s)
6155 char *s;
6156{
6157 unsigned int c = *s & CHAR_MASK;
60937ce7
JL		 6158
6159 /* We must have a valid space and subspace. */
6160 pa_check_current_space_and_subspace ();
6161
025b0302
ME		 6162 switch (c)
6163 {
6164 case '\"':
6165 c = NOT_A_CHAR;
6166 break;
6167 default:
6168 break;
6169 }
6170 return c;
6171}
6172
8f78d0e9
KR		 6173/* Handle a .STRING type pseudo-op. */
6174
6175static void
6176pa_stringer (append_zero)
6177 int append_zero;
025b0302 6178{
8f78d0e9 6179 char *s, num_buf[4];
025b0302 6180 unsigned int c;
025b0302
ME		 6181 int i;
6182
8f78d0e9 6183 /* Preprocess the string to handle PA-specific escape sequences.
75c28b49 6184 For example, \xDD where DD is a hexidecimal number should be
8f78d0e9 6185 changed to \OOO where OOO is an octal number. */
025b0302 6186
8f78d0e9
KR		 6187 /* Skip the opening quote. */
6188 s = input_line_pointer + 1;
025b0302
ME		 6189
6190 while (is_a_char (c = pa_stringer_aux (s++)))
6191 {
6192 if (c == '\\')
6193 {
6194 c = *s;
6195 switch (c)
6196 {
8f78d0e9 6197 /* Handle \x<num>. */
025b0302
ME		 6198 case 'x':
6199 {
6200 unsigned int number;
6201 int num_digit;
6202 char dg;
6203 char *s_start = s;
6204
8f78d0e9
KR		 6205 /* Get pas the 'x'. */
6206 s++;
025b0302
ME		 6207 for (num_digit = 0, number = 0, dg = *s;
6208 num_digit < 2
6209 && (isdigit (dg) || (dg >= 'a' && dg <= 'f')
6210 || (dg >= 'A' && dg <= 'F'));
6211 num_digit++)
6212 {
6213 if (isdigit (dg))
6214 number = number * 16 + dg - '0';
6215 else if (dg >= 'a' && dg <= 'f')
6216 number = number * 16 + dg - 'a' + 10;
6217 else
6218 number = number * 16 + dg - 'A' + 10;
6219
6220 s++;
6221 dg = *s;
6222 }
6223 if (num_digit > 0)
6224 {
6225 switch (num_digit)
6226 {
6227 case 1:
6228 sprintf (num_buf, "%02o", number);
6229 break;
6230 case 2:
6231 sprintf (num_buf, "%03o", number);
6232 break;
6233 }
6234 for (i = 0; i <= num_digit; i++)
6235 s_start[i] = num_buf[i];
6236 }
5cf4cd1b 6237 break;
025b0302 6238 }
8f78d0e9 6239 /* This might be a "\"", skip over the escaped char. */
5cf4cd1b
KR		 6240 default:
6241 s++;
025b0302
ME		 6242 break;
6243 }
6244 }
6245 }
6246 stringer (append_zero);
6247 pa_undefine_label ();
6248}
6249
8f78d0e9
KR		 6250/* Handle a .VERSION pseudo-op. */
6251
6252static void
6253pa_version (unused)
6254 int unused;
025b0302 6255{
8f78d0e9 6256 obj_version (0);
025b0302
ME		 6257 pa_undefine_label ();
6258}
6259
eb91665b
JL		 6260/* Handle a .COPYRIGHT pseudo-op. */
6261
6262static void
6263pa_copyright (unused)
6264 int unused;
6265{
6266 obj_copyright (0);
6267 pa_undefine_label ();
6268}
6269
8f78d0e9
KR		 6270/* Just like a normal cons, but when finished we have to undefine
6271 the latest space label. */
6272
6273static void
025b0302 6274pa_cons (nbytes)
8f78d0e9 6275 int nbytes;
025b0302
ME		 6276{
6277 cons (nbytes);
6278 pa_undefine_label ();
6279}
6280
8f78d0e9
KR		 6281/* Switch to the data space. As usual delete our label. */
6282
6283static void
6284pa_data (unused)
6285 int unused;
025b0302 6286{
dc1b1221
JL		 6287 current_space = is_defined_space ("$PRIVATE$");
6288 current_subspace
6289 = pa_subsegment_to_subspace (current_space->sd_seg, 0);
80aab579 6290 s_data (0);
025b0302
ME		 6291 pa_undefine_label ();
6292}
6293
8f78d0e9 6294/* Like float_cons, but we need to undefine our label. */
c5e9ccd0 6295
8f78d0e9 6296static void
025b0302 6297pa_float_cons (float_type)
8f78d0e9 6298 int float_type;
025b0302
ME		 6299{
6300 float_cons (float_type);
6301 pa_undefine_label ();
6302}
6303
8f78d0e9
KR		 6304/* Like s_fill, but delete our label when finished. */
6305
6306static void
6307pa_fill (unused)
6308 int unused;
025b0302 6309{
60937ce7
JL		 6310 /* We must have a valid space and subspace. */
6311 pa_check_current_space_and_subspace ();
6312
80aab579 6313 s_fill (0);
025b0302
ME		 6314 pa_undefine_label ();
6315}
6316
8f78d0e9
KR		 6317/* Like lcomm, but delete our label when finished. */
6318
6319static void
025b0302 6320pa_lcomm (needs_align)
025b0302
ME		 6321 int needs_align;
6322{
60937ce7
JL		 6323 /* We must have a valid space and subspace. */
6324 pa_check_current_space_and_subspace ();
6325
025b0302
ME		 6326 s_lcomm (needs_align);
6327 pa_undefine_label ();
6328}
6329
8f78d0e9
KR		 6330/* Like lsym, but delete our label when finished. */
6331
6332static void
6333pa_lsym (unused)
6334 int unused;
025b0302 6335{
60937ce7
JL		 6336 /* We must have a valid space and subspace. */
6337 pa_check_current_space_and_subspace ();
6338
80aab579 6339 s_lsym (0);
025b0302
ME		 6340 pa_undefine_label ();
6341}
6342
75c28b49 6343/* Switch to the text space. Like s_text, but delete our
8f78d0e9
KR		 6344 label when finished. */
6345static void
6346pa_text (unused)
6347 int unused;
025b0302 6348{
dc1b1221
JL		 6349 current_space = is_defined_space ("$TEXT$");
6350 current_subspace
6351 = pa_subsegment_to_subspace (current_space->sd_seg, 0);
6352
80aab579 6353 s_text (0);
025b0302
ME		 6354 pa_undefine_label ();
6355}
5cf4cd1b 6356
75c28b49 6357/* On the PA relocations which involve function symbols must not be
aa8b30ed
JL		 6358 adjusted. This so that the linker can know when/how to create argument
6359 relocation stubs for indirect calls and calls to static functions.
6360
8fd04cba
JL		 6361 "T" field selectors create DLT relative fixups for accessing
6362 globals and statics in PIC code; each DLT relative fixup creates
6363 an entry in the DLT table. The entries contain the address of
6364 the final target (eg accessing "foo" would create a DLT entry
6365 with the address of "foo").
6366
6367 Unfortunately, the HP linker doesn't take into account any addend
6368 when generating the DLT; so accessing $LIT$+8 puts the address of
6369 $LIT$ into the DLT rather than the address of $LIT$+8.
6370
6371 The end result is we can't perform relocation symbol reductions for
6372 any fixup which creates entries in the DLT (eg they use "T" field
6373 selectors).
6374
e67b3aa3 6375 Reject reductions involving symbols with external scope; such
b4682e51 6376 reductions make life a living hell for object file editors.
e67b3aa3 6377
b4682e51
JL		 6378 FIXME. Also reject R_HPPA relocations which are 32bits wide in
6379 the code space. The SOM BFD backend doesn't know how to pull the
6380 right bits out of an instruction. */
aa8b30ed
JL		 6381
6382int
c5e9ccd0 6383hppa_fix_adjustable (fixp)
aa8b30ed
JL		 6384 fixS *fixp;
6385{
6386 struct hppa_fix_struct *hppa_fix;
6387
fb338f1d 6388 hppa_fix = (struct hppa_fix_struct *) fixp->tc_fix_data;
aa8b30ed 6389
60937ce7
JL		 6390#ifdef OBJ_SOM
6391 /* Reject reductions of symbols in 32bit relocs. */
aa8b30ed
JL		 6392 if (fixp->fx_r_type == R_HPPA && hppa_fix->fx_r_format == 32)
6393 return 0;
249c7415
JL		 6394
6395 /* Reject reductions of symbols in sym1-sym2 expressions when
6396 the fixup will occur in a CODE subspace.
6397
6398 XXX FIXME: Long term we probably want to reject all of these;
6399 for example reducing in the debug section would lose if we ever
6400 supported using the optimizing hp linker. */
6401 if (fixp->fx_addsy
6402 && fixp->fx_subsy
6403 && (hppa_fix->segment->flags & SEC_CODE))
6404 {
6405 /* Apparently sy_used_in_reloc never gets set for sub symbols. */
6406 fixp->fx_subsy->sy_used_in_reloc = 1;
6407 return 0;
6408 }
83b59013 6409
b81231b7
JL		 6410 /* We can't adjust any relocs that use LR% and RR% field selectors.
6411 That confuses the HP linker. */
6412 if (hppa_fix->fx_r_field == e_lrsel
6413 || hppa_fix->fx_r_field == e_rrsel
6414 || hppa_fix->fx_r_field == e_nlrsel)
83b59013 6415 return 0;
60937ce7 6416#endif
aa8b30ed 6417
b4682e51
JL		 6418 /* Reject reductions of symbols in DLT relative relocs,
6419 relocations with plabels. */
8fd04cba
JL		 6420 if (hppa_fix->fx_r_field == e_tsel
6421 || hppa_fix->fx_r_field == e_ltsel
b4682e51
JL		 6422 || hppa_fix->fx_r_field == e_rtsel
6423 || hppa_fix->fx_r_field == e_psel
6424 || hppa_fix->fx_r_field == e_rpsel
6425 || hppa_fix->fx_r_field == e_lpsel)
8fd04cba
JL		 6426 return 0;
6427
e67b3aa3
JL		 6428 if (fixp->fx_addsy && fixp->fx_addsy->bsym->flags & BSF_GLOBAL)
6429 return 0;
6430
48401fcf
TT		 6431 /* Reject absolute calls (jumps). */
6432 if (hppa_fix->fx_r_type == R_HPPA_ABS_CALL)
6433 return 0;
6434
8fd04cba 6435 /* Reject reductions of function symbols. */
c5e9ccd0 6436 if (fixp->fx_addsy == 0
aa8b30ed
JL		 6437 || (fixp->fx_addsy->bsym->flags & BSF_FUNCTION) == 0)
6438 return 1;
6439
6440 return 0;
6441}
c5e9ccd0 6442
335d35c8
JL		 6443/* Return nonzero if the fixup in FIXP will require a relocation,
6444 even it if appears that the fixup could be completely handled
6445 within GAS. */
6446
6447int
6448hppa_force_relocation (fixp)
6449 fixS *fixp;
6450{
fb338f1d 6451 struct hppa_fix_struct *hppa_fixp;
4ff6f92a 6452 int distance;
335d35c8 6453
fb338f1d 6454 hppa_fixp = (struct hppa_fix_struct *) fixp->tc_fix_data;
335d35c8 6455#ifdef OBJ_SOM
249c7415 6456 if (fixp->fx_r_type == R_HPPA_ENTRY || fixp->fx_r_type == R_HPPA_EXIT
5ae218df
JL		 6457 || fixp->fx_r_type == R_HPPA_BEGIN_BRTAB
6458 || fixp->fx_r_type == R_HPPA_END_BRTAB
448b5aad
JL		 6459 || fixp->fx_r_type == R_HPPA_BEGIN_TRY
6460 || fixp->fx_r_type == R_HPPA_END_TRY
249c7415
JL		 6461 || (fixp->fx_addsy != NULL && fixp->fx_subsy != NULL
6462 && (hppa_fixp->segment->flags & SEC_CODE) != 0))
335d35c8
JL		 6463 return 1;
6464#endif
6465
4829cd65 6466#define arg_reloc_stub_needed(CALLER, CALLEE) \
335d35c8
JL		 6467 ((CALLEE) && (CALLER) && ((CALLEE) != (CALLER)))
6468
6469 /* It is necessary to force PC-relative calls/jumps to have a relocation
6470 entry if they're going to need either a argument relocation or long
6471 call stub. FIXME. Can't we need the same for absolute calls? */
753dcbbd 6472 if (fixp->fx_pcrel && fixp->fx_addsy
4829cd65
JL		 6473 && (arg_reloc_stub_needed (((obj_symbol_type *)
6474 fixp->fx_addsy->bsym)->tc_data.hppa_arg_reloc,
6475
6476 hppa_fixp->fx_arg_reloc)))
6477 return 1;
6478 distance = (fixp->fx_offset + S_GET_VALUE (fixp->fx_addsy)
6479 - md_pcrel_from (fixp));
6480 /* Now check and see if we're going to need a long-branch stub. */
6481 if (fixp->fx_r_type == R_HPPA_PCREL_CALL
6482 && (distance > 262143 || distance < -262144))
6483 return 1;
335d35c8 6484
48401fcf
TT		 6485 if (fixp->fx_r_type == R_HPPA_ABS_CALL)
6486 return 1;
4829cd65 6487#undef arg_reloc_stub_needed
335d35c8
JL		 6488
6489 /* No need (yet) to force another relocations to be emitted. */
6490 return 0;
6491}
6492
8f78d0e9
KR		 6493/* Now for some ELF specific code. FIXME. */
6494#ifdef OBJ_ELF
4ff6f92a
JL		 6495/* Mark the end of a function so that it's possible to compute
6496 the size of the function in hppa_elf_final_processing. */
6497
6498static void
6499hppa_elf_mark_end_of_function ()
6500{
6501 /* ELF does not have EXIT relocations. All we do is create a
6502 temporary symbol marking the end of the function. */
6503 char *name = (char *)
6504 xmalloc (strlen ("L$\001end_") +
6505 strlen (S_GET_NAME (last_call_info->start_symbol)) + 1);
6506
6507 if (name)
6508 {
6509 symbolS *symbolP;
6510
6511 strcpy (name, "L$\001end_");
6512 strcat (name, S_GET_NAME (last_call_info->start_symbol));
6513
6514 /* If we have a .exit followed by a .procend, then the
6515 symbol will have already been defined. */
6516 symbolP = symbol_find (name);
6517 if (symbolP)
6518 {
6519 /* The symbol has already been defined! This can
6520 happen if we have a .exit followed by a .procend.
6521
6522 This is *not* an error. All we want to do is free
6523 the memory we just allocated for the name and continue. */
6524 xfree (name);
6525 }
6526 else
6527 {
6528 /* symbol value should be the offset of the
6529 last instruction of the function */
83b59013 6530 symbolP = symbol_new (name, now_seg, (valueT) (frag_now_fix () - 4),
4ff6f92a
JL		 6531 frag_now);
6532
6533 assert (symbolP);
6534 symbolP->bsym->flags = BSF_LOCAL;
6535 symbol_table_insert (symbolP);
6536 }
6537
6538 if (symbolP)
6539 last_call_info->end_symbol = symbolP;
6540 else
48401fcf 6541 as_bad (_("Symbol '%s' could not be created."), name);
4ff6f92a
JL		 6542
6543 }
6544 else
48401fcf 6545 as_bad (_("No memory for symbol name."));
4ff6f92a
JL		 6546
6547}
6548
8f78d0e9 6549/* For ELF, this function serves one purpose: to setup the st_size
4ff6f92a
JL		 6550 field of STT_FUNC symbols. To do this, we need to scan the
6551 call_info structure list, determining st_size in by taking the
6552 difference in the address of the beginning/end marker symbols. */
8f78d0e9
KR		 6553
6554void
6555elf_hppa_final_processing ()
6556{
6557 struct call_info *call_info_pointer;
6558
6559 for (call_info_pointer = call_info_root;
6560 call_info_pointer;
6561 call_info_pointer = call_info_pointer->ci_next)
6562 {
6563 elf_symbol_type *esym
c5e9ccd0 6564 = (elf_symbol_type *) call_info_pointer->start_symbol->bsym;
4ff6f92a
JL		 6565 esym->internal_elf_sym.st_size =
6566 S_GET_VALUE (call_info_pointer->end_symbol)
6567 - S_GET_VALUE (call_info_pointer->start_symbol) + 4;
5cf4cd1b
KR		 6568 }
6569}
8f78d0e9 6570#endif
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