1 /* tc-hppa.c -- Assemble for the PA
2 Copyright (C) 1989-2016 Free Software Foundation, Inc.
4 This file is part of GAS, the GNU Assembler.
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
8 the Free Software Foundation; either version 3, or (at your option)
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.
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 the Free
18 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
21 /* HP PA-RISC support was contributed by the Center for Software Science
22 at the University of Utah. */
25 #include "safe-ctype.h"
27 #include "dw2gencfi.h"
29 #include "bfd/libhppa.h"
31 /* Be careful, this file includes data *declarations*. */
32 #include "opcode/hppa.h"
34 #if defined (OBJ_ELF) && defined (OBJ_SOM)
35 error only one of OBJ_ELF and OBJ_SOM can be defined
38 /* If we are using ELF, then we probably can support dwarf2 debug
39 records. Furthermore, if we are supporting dwarf2 debug records,
40 then we want to use the assembler support for compact line numbers. */
42 #include "dwarf2dbg.h"
44 /* A "convenient" place to put object file dependencies which do
45 not need to be seen outside of tc-hppa.c. */
47 /* Object file formats specify relocation types. */
48 typedef enum elf_hppa_reloc_type reloc_type;
50 /* Object file formats specify BFD symbol types. */
51 typedef elf_symbol_type obj_symbol_type;
52 #define symbol_arg_reloc_info(sym)\
53 (((obj_symbol_type *) symbol_get_bfdsym (sym))->tc_data.hppa_arg_reloc)
55 #if TARGET_ARCH_SIZE == 64
56 /* How to generate a relocation. */
57 #define hppa_gen_reloc_type _bfd_elf64_hppa_gen_reloc_type
58 #define elf_hppa_reloc_final_type elf64_hppa_reloc_final_type
60 #define hppa_gen_reloc_type _bfd_elf32_hppa_gen_reloc_type
61 #define elf_hppa_reloc_final_type elf32_hppa_reloc_final_type
64 /* ELF objects can have versions, but apparently do not have anywhere
65 to store a copyright string. */
66 #define obj_version obj_elf_version
67 #define obj_copyright obj_elf_version
69 #define UNWIND_SECTION_NAME ".PARISC.unwind"
73 /* Names of various debugging spaces/subspaces. */
74 #define GDB_DEBUG_SPACE_NAME "$GDB_DEBUG$"
75 #define GDB_STRINGS_SUBSPACE_NAME "$GDB_STRINGS$"
76 #define GDB_SYMBOLS_SUBSPACE_NAME "$GDB_SYMBOLS$"
77 #define UNWIND_SECTION_NAME "$UNWIND$"
79 /* Object file formats specify relocation types. */
80 typedef int reloc_type;
82 /* SOM objects can have both a version string and a copyright string. */
83 #define obj_version obj_som_version
84 #define obj_copyright obj_som_copyright
86 /* How to generate a relocation. */
87 #define hppa_gen_reloc_type hppa_som_gen_reloc_type
89 /* Object file formats specify BFD symbol types. */
90 typedef som_symbol_type obj_symbol_type;
91 #define symbol_arg_reloc_info(sym)\
92 (((obj_symbol_type *) symbol_get_bfdsym (sym))->tc_data.ap.hppa_arg_reloc)
94 /* This apparently isn't in older versions of hpux reloc.h. */
96 #define R_DLT_REL 0x78
108 #if TARGET_ARCH_SIZE == 64
109 #define DEFAULT_LEVEL 25
111 #define DEFAULT_LEVEL 10
114 /* Various structures and types used internally in tc-hppa.c. */
116 /* Unwind table and descriptor. FIXME: Sync this with GDB version. */
120 unsigned int cannot_unwind:1;
121 unsigned int millicode:1;
122 unsigned int millicode_save_rest:1;
123 unsigned int region_desc:2;
124 unsigned int save_sr:2;
125 unsigned int entry_fr:4;
126 unsigned int entry_gr:5;
127 unsigned int args_stored:1;
128 unsigned int call_fr:5;
129 unsigned int call_gr:5;
130 unsigned int save_sp:1;
131 unsigned int save_rp:1;
132 unsigned int save_rp_in_frame:1;
133 unsigned int extn_ptr_defined:1;
134 unsigned int cleanup_defined:1;
136 unsigned int hpe_interrupt_marker:1;
137 unsigned int hpux_interrupt_marker:1;
138 unsigned int reserved:3;
139 unsigned int frame_size:27;
142 /* We can't rely on compilers placing bitfields in any particular
143 place, so use these macros when dumping unwind descriptors to
145 #define UNWIND_LOW32(U) \
146 (((U)->cannot_unwind << 31) \
147 | ((U)->millicode << 30) \
148 | ((U)->millicode_save_rest << 29) \
149 | ((U)->region_desc << 27) \
150 | ((U)->save_sr << 25) \
151 | ((U)->entry_fr << 21) \
152 | ((U)->entry_gr << 16) \
153 | ((U)->args_stored << 15) \
154 | ((U)->call_fr << 10) \
155 | ((U)->call_gr << 5) \
156 | ((U)->save_sp << 4) \
157 | ((U)->save_rp << 3) \
158 | ((U)->save_rp_in_frame << 2) \
159 | ((U)->extn_ptr_defined << 1) \
160 | ((U)->cleanup_defined << 0))
162 #define UNWIND_HIGH32(U) \
163 (((U)->hpe_interrupt_marker << 31) \
164 | ((U)->hpux_interrupt_marker << 30) \
165 | ((U)->frame_size << 0))
169 /* Starting and ending offsets of the region described by
171 unsigned int start_offset;
172 unsigned int end_offset;
173 struct unwind_desc descriptor;
176 /* This structure is used by the .callinfo, .enter, .leave pseudo-ops to
177 control the entry and exit code they generate. It is also used in
178 creation of the correct stack unwind descriptors.
180 NOTE: GAS does not support .enter and .leave for the generation of
181 prologues and epilogues. FIXME.
183 The fields in structure roughly correspond to the arguments available on the
184 .callinfo pseudo-op. */
188 /* The unwind descriptor being built. */
189 struct unwind_table ci_unwind;
191 /* Name of this function. */
192 symbolS *start_symbol;
194 /* (temporary) symbol used to mark the end of this function. */
197 /* Next entry in the chain. */
198 struct call_info *ci_next;
201 /* Operand formats for FP instructions. Note not all FP instructions
202 allow all four formats to be used (for example fmpysub only allows
206 SGL, DBL, ILLEGAL_FMT, QUAD, W, UW, DW, UDW, QW, UQW
210 /* This fully describes the symbol types which may be attached to
211 an EXPORT or IMPORT directive. Only SOM uses this formation
212 (ELF has no need for it). */
216 SYMBOL_TYPE_ABSOLUTE,
220 SYMBOL_TYPE_MILLICODE,
222 SYMBOL_TYPE_PRI_PROG,
223 SYMBOL_TYPE_SEC_PROG,
227 /* This structure contains information needed to assemble
228 individual instructions. */
231 /* Holds the opcode after parsing by pa_ip. */
232 unsigned long opcode;
234 /* Holds an expression associated with the current instruction. */
237 /* Does this instruction use PC-relative addressing. */
240 /* Floating point formats for operand1 and operand2. */
241 fp_operand_format fpof1;
242 fp_operand_format fpof2;
244 /* Whether or not we saw a truncation request on an fcnv insn. */
247 /* Holds the field selector for this instruction
248 (for example L%, LR%, etc). */
251 /* Holds any argument relocation bits associated with this
252 instruction. (instruction should be some sort of call). */
253 unsigned int arg_reloc;
255 /* The format specification for this instruction. */
258 /* The relocation (if any) associated with this instruction. */
262 /* PA-89 floating point registers are arranged like this:
264 +--------------+--------------+
265 | 0 or 16L | 16 or 16R |
266 +--------------+--------------+
267 | 1 or 17L | 17 or 17R |
268 +--------------+--------------+
276 +--------------+--------------+
277 | 14 or 30L | 30 or 30R |
278 +--------------+--------------+
279 | 15 or 31L | 31 or 31R |
280 +--------------+--------------+ */
282 /* Additional information needed to build argument relocation stubs. */
285 /* The argument relocation specification. */
286 unsigned int arg_reloc;
288 /* Number of arguments. */
289 unsigned int arg_count;
293 /* This structure defines an entry in the subspace dictionary
296 struct subspace_dictionary_chain
298 /* Nonzero if this space has been defined by the user code. */
299 unsigned int ssd_defined;
301 /* Name of this subspace. */
304 /* GAS segment and subsegment associated with this subspace. */
308 /* Next space in the subspace dictionary chain. */
309 struct subspace_dictionary_chain *ssd_next;
312 typedef struct subspace_dictionary_chain ssd_chain_struct;
314 /* This structure defines an entry in the subspace dictionary
317 struct space_dictionary_chain
319 /* Nonzero if this space has been defined by the user code or
320 as a default space. */
321 unsigned int sd_defined;
323 /* Nonzero if this spaces has been defined by the user code. */
324 unsigned int sd_user_defined;
326 /* The space number (or index). */
327 unsigned int sd_spnum;
329 /* The name of this subspace. */
332 /* GAS segment to which this subspace corresponds. */
335 /* Current subsegment number being used. */
338 /* The chain of subspaces contained within this space. */
339 ssd_chain_struct *sd_subspaces;
341 /* The next entry in the space dictionary chain. */
342 struct space_dictionary_chain *sd_next;
345 typedef struct space_dictionary_chain sd_chain_struct;
347 /* This structure defines attributes of the default subspace
348 dictionary entries. */
350 struct default_subspace_dict
352 /* Name of the subspace. */
355 /* FIXME. Is this still needed? */
358 /* Nonzero if this subspace is loadable. */
361 /* Nonzero if this subspace contains only code. */
364 /* Nonzero if this is a comdat subspace. */
367 /* Nonzero if this is a common subspace. */
370 /* Nonzero if this is a common subspace which allows symbols
371 to be multiply defined. */
374 /* Nonzero if this subspace should be zero filled. */
377 /* Sort key for this subspace. */
380 /* Access control bits for this subspace. Can represent RWX access
381 as well as privilege level changes for gateways. */
384 /* Index of containing space. */
387 /* Alignment (in bytes) of this subspace. */
390 /* Quadrant within space where this subspace should be loaded. */
393 /* An index into the default spaces array. */
396 /* Subsegment associated with this subspace. */
400 /* This structure defines attributes of the default space
401 dictionary entries. */
403 struct default_space_dict
405 /* Name of the space. */
408 /* Space number. It is possible to identify spaces within
409 assembly code numerically! */
412 /* Nonzero if this space is loadable. */
415 /* Nonzero if this space is "defined". FIXME is still needed */
418 /* Nonzero if this space can not be shared. */
421 /* Sort key for this space. */
424 /* Segment associated with this space. */
429 /* Structure for previous label tracking. Needed so that alignments,
430 callinfo declarations, etc can be easily attached to a particular
432 typedef struct label_symbol_struct
434 struct symbol *lss_label;
436 sd_chain_struct *lss_space;
441 struct label_symbol_struct *lss_next;
445 /* Extra information needed to perform fixups (relocations) on the PA. */
446 struct hppa_fix_struct
448 /* The field selector. */
449 enum hppa_reloc_field_selector_type_alt fx_r_field;
454 /* Format of fixup. */
457 /* Argument relocation bits. */
458 unsigned int fx_arg_reloc;
460 /* The segment this fixup appears in. */
464 /* Structure to hold information about predefined registers. */
472 /* This structure defines the mapping from a FP condition string
473 to a condition number which can be recorded in an instruction. */
480 /* This structure defines a mapping from a field selector
481 string to a field selector type. */
482 struct selector_entry
488 /* Prototypes for functions local to tc-hppa.c. */
491 static void pa_check_current_space_and_subspace (void);
494 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
495 static void pa_text (int);
496 static void pa_data (int);
497 static void pa_comm (int);
500 static int exact_log2 (int);
501 static void pa_compiler (int);
502 static void pa_align (int);
503 static void pa_space (int);
504 static void pa_spnum (int);
505 static void pa_subspace (int);
506 static sd_chain_struct *create_new_space (char *, int, int,
509 static ssd_chain_struct *create_new_subspace (sd_chain_struct *,
514 static ssd_chain_struct *update_subspace (sd_chain_struct *,
515 char *, int, int, int,
519 static sd_chain_struct *is_defined_space (char *);
520 static ssd_chain_struct *is_defined_subspace (char *);
521 static sd_chain_struct *pa_segment_to_space (asection *);
522 static ssd_chain_struct *pa_subsegment_to_subspace (asection *,
524 static sd_chain_struct *pa_find_space_by_number (int);
525 static unsigned int pa_subspace_start (sd_chain_struct *, int);
526 static sd_chain_struct *pa_parse_space_stmt (char *, int);
529 /* File and globally scoped variable declarations. */
532 /* Root and final entry in the space chain. */
533 static sd_chain_struct *space_dict_root;
534 static sd_chain_struct *space_dict_last;
536 /* The current space and subspace. */
537 static sd_chain_struct *current_space;
538 static ssd_chain_struct *current_subspace;
541 /* Root of the call_info chain. */
542 static struct call_info *call_info_root;
544 /* The last call_info (for functions) structure
545 seen so it can be associated with fixups and
547 static struct call_info *last_call_info;
549 /* The last call description (for actual calls). */
550 static struct call_desc last_call_desc;
552 /* handle of the OPCODE hash table */
553 static struct hash_control *op_hash = NULL;
555 /* These characters can be suffixes of opcode names and they may be
556 followed by meaningful whitespace. We don't include `,' and `!'
557 as they never appear followed by meaningful whitespace. */
558 const char hppa_symbol_chars[] = "*?=<>";
560 /* This array holds the chars that only start a comment at the beginning of
561 a line. If the line seems to have the form '# 123 filename'
562 .line and .file directives will appear in the pre-processed output.
564 Note that input_file.c hand checks for '#' at the beginning of the
565 first line of the input file. This is because the compiler outputs
566 #NO_APP at the beginning of its output.
568 Also note that C style comments will always work. */
569 const char line_comment_chars[] = "#";
571 /* This array holds the chars that always start a comment. If the
572 pre-processor is disabled, these aren't very useful. */
573 const char comment_chars[] = ";";
575 /* This array holds the characters which act as line separators. */
576 const char line_separator_chars[] = "!";
578 /* Chars that can be used to separate mant from exp in floating point nums. */
579 const char EXP_CHARS[] = "eE";
581 /* Chars that mean this number is a floating point constant.
582 As in 0f12.456 or 0d1.2345e12.
584 Be aware that MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT may have to be
585 changed in read.c. Ideally it shouldn't have to know about it
586 at all, but nothing is ideal around here. */
587 const char FLT_CHARS[] = "rRsSfFdDxXpP";
589 static struct pa_it the_insn;
591 /* Points to the end of an expression just parsed by get_expression
592 and friends. FIXME. This shouldn't be handled with a file-global
594 static char *expr_end;
596 /* Nonzero if a .callinfo appeared within the current procedure. */
597 static int callinfo_found;
599 /* Nonzero if the assembler is currently within a .entry/.exit pair. */
600 static int within_entry_exit;
602 /* Nonzero if the assembler is currently within a procedure definition. */
603 static int within_procedure;
605 /* Handle on structure which keep track of the last symbol
606 seen in each subspace. */
607 static label_symbol_struct *label_symbols_rootp = NULL;
609 /* Last label symbol */
610 static label_symbol_struct last_label_symbol;
612 /* Nonzero when strict matching is enabled. Zero otherwise.
614 Each opcode in the table has a flag which indicates whether or
615 not strict matching should be enabled for that instruction.
617 Mainly, strict causes errors to be ignored when a match failure
618 occurs. However, it also affects the parsing of register fields
619 by pa_parse_number. */
622 /* pa_parse_number returns values in `pa_number'. Mostly
623 pa_parse_number is used to return a register number, with floating
624 point registers being numbered from FP_REG_BASE upwards.
625 The bit specified with FP_REG_RSEL is set if the floating point
626 register has a `r' suffix. */
627 #define FP_REG_BASE 64
628 #define FP_REG_RSEL 128
629 static int pa_number;
632 /* A dummy bfd symbol so that all relocations have symbols of some kind. */
633 static symbolS *dummy_symbol;
636 /* Nonzero if errors are to be printed. */
637 static int print_errors = 1;
639 /* List of registers that are pre-defined:
641 Each general register has one predefined name of the form
642 %r<REGNUM> which has the value <REGNUM>.
644 Space and control registers are handled in a similar manner,
645 but use %sr<REGNUM> and %cr<REGNUM> as their predefined names.
647 Likewise for the floating point registers, but of the form
648 %fr<REGNUM>. Floating point registers have additional predefined
649 names with 'L' and 'R' suffixes (e.g. %fr19L, %fr19R) which
650 again have the value <REGNUM>.
652 Many registers also have synonyms:
654 %r26 - %r23 have %arg0 - %arg3 as synonyms
655 %r28 - %r29 have %ret0 - %ret1 as synonyms
656 %fr4 - %fr7 have %farg0 - %farg3 as synonyms
657 %r30 has %sp as a synonym
658 %r27 has %dp as a synonym
659 %r2 has %rp as a synonym
661 Almost every control register has a synonym; they are not listed
664 The table is sorted. Suitable for searching by a binary search. */
666 static const struct pd_reg pre_defined_registers[] =
700 {"%farg0", 4 + FP_REG_BASE},
701 {"%farg1", 5 + FP_REG_BASE},
702 {"%farg2", 6 + FP_REG_BASE},
703 {"%farg3", 7 + FP_REG_BASE},
704 {"%fr0", 0 + FP_REG_BASE},
705 {"%fr0l", 0 + FP_REG_BASE},
706 {"%fr0r", 0 + FP_REG_BASE + FP_REG_RSEL},
707 {"%fr1", 1 + FP_REG_BASE},
708 {"%fr10", 10 + FP_REG_BASE},
709 {"%fr10l", 10 + FP_REG_BASE},
710 {"%fr10r", 10 + FP_REG_BASE + FP_REG_RSEL},
711 {"%fr11", 11 + FP_REG_BASE},
712 {"%fr11l", 11 + FP_REG_BASE},
713 {"%fr11r", 11 + FP_REG_BASE + FP_REG_RSEL},
714 {"%fr12", 12 + FP_REG_BASE},
715 {"%fr12l", 12 + FP_REG_BASE},
716 {"%fr12r", 12 + FP_REG_BASE + FP_REG_RSEL},
717 {"%fr13", 13 + FP_REG_BASE},
718 {"%fr13l", 13 + FP_REG_BASE},
719 {"%fr13r", 13 + FP_REG_BASE + FP_REG_RSEL},
720 {"%fr14", 14 + FP_REG_BASE},
721 {"%fr14l", 14 + FP_REG_BASE},
722 {"%fr14r", 14 + FP_REG_BASE + FP_REG_RSEL},
723 {"%fr15", 15 + FP_REG_BASE},
724 {"%fr15l", 15 + FP_REG_BASE},
725 {"%fr15r", 15 + FP_REG_BASE + FP_REG_RSEL},
726 {"%fr16", 16 + FP_REG_BASE},
727 {"%fr16l", 16 + FP_REG_BASE},
728 {"%fr16r", 16 + FP_REG_BASE + FP_REG_RSEL},
729 {"%fr17", 17 + FP_REG_BASE},
730 {"%fr17l", 17 + FP_REG_BASE},
731 {"%fr17r", 17 + FP_REG_BASE + FP_REG_RSEL},
732 {"%fr18", 18 + FP_REG_BASE},
733 {"%fr18l", 18 + FP_REG_BASE},
734 {"%fr18r", 18 + FP_REG_BASE + FP_REG_RSEL},
735 {"%fr19", 19 + FP_REG_BASE},
736 {"%fr19l", 19 + FP_REG_BASE},
737 {"%fr19r", 19 + FP_REG_BASE + FP_REG_RSEL},
738 {"%fr1l", 1 + FP_REG_BASE},
739 {"%fr1r", 1 + FP_REG_BASE + FP_REG_RSEL},
740 {"%fr2", 2 + FP_REG_BASE},
741 {"%fr20", 20 + FP_REG_BASE},
742 {"%fr20l", 20 + FP_REG_BASE},
743 {"%fr20r", 20 + FP_REG_BASE + FP_REG_RSEL},
744 {"%fr21", 21 + FP_REG_BASE},
745 {"%fr21l", 21 + FP_REG_BASE},
746 {"%fr21r", 21 + FP_REG_BASE + FP_REG_RSEL},
747 {"%fr22", 22 + FP_REG_BASE},
748 {"%fr22l", 22 + FP_REG_BASE},
749 {"%fr22r", 22 + FP_REG_BASE + FP_REG_RSEL},
750 {"%fr23", 23 + FP_REG_BASE},
751 {"%fr23l", 23 + FP_REG_BASE},
752 {"%fr23r", 23 + FP_REG_BASE + FP_REG_RSEL},
753 {"%fr24", 24 + FP_REG_BASE},
754 {"%fr24l", 24 + FP_REG_BASE},
755 {"%fr24r", 24 + FP_REG_BASE + FP_REG_RSEL},
756 {"%fr25", 25 + FP_REG_BASE},
757 {"%fr25l", 25 + FP_REG_BASE},
758 {"%fr25r", 25 + FP_REG_BASE + FP_REG_RSEL},
759 {"%fr26", 26 + FP_REG_BASE},
760 {"%fr26l", 26 + FP_REG_BASE},
761 {"%fr26r", 26 + FP_REG_BASE + FP_REG_RSEL},
762 {"%fr27", 27 + FP_REG_BASE},
763 {"%fr27l", 27 + FP_REG_BASE},
764 {"%fr27r", 27 + FP_REG_BASE + FP_REG_RSEL},
765 {"%fr28", 28 + FP_REG_BASE},
766 {"%fr28l", 28 + FP_REG_BASE},
767 {"%fr28r", 28 + FP_REG_BASE + FP_REG_RSEL},
768 {"%fr29", 29 + FP_REG_BASE},
769 {"%fr29l", 29 + FP_REG_BASE},
770 {"%fr29r", 29 + FP_REG_BASE + FP_REG_RSEL},
771 {"%fr2l", 2 + FP_REG_BASE},
772 {"%fr2r", 2 + FP_REG_BASE + FP_REG_RSEL},
773 {"%fr3", 3 + FP_REG_BASE},
774 {"%fr30", 30 + FP_REG_BASE},
775 {"%fr30l", 30 + FP_REG_BASE},
776 {"%fr30r", 30 + FP_REG_BASE + FP_REG_RSEL},
777 {"%fr31", 31 + FP_REG_BASE},
778 {"%fr31l", 31 + FP_REG_BASE},
779 {"%fr31r", 31 + FP_REG_BASE + FP_REG_RSEL},
780 {"%fr3l", 3 + FP_REG_BASE},
781 {"%fr3r", 3 + FP_REG_BASE + FP_REG_RSEL},
782 {"%fr4", 4 + FP_REG_BASE},
783 {"%fr4l", 4 + FP_REG_BASE},
784 {"%fr4r", 4 + FP_REG_BASE + FP_REG_RSEL},
785 {"%fr5", 5 + FP_REG_BASE},
786 {"%fr5l", 5 + FP_REG_BASE},
787 {"%fr5r", 5 + FP_REG_BASE + FP_REG_RSEL},
788 {"%fr6", 6 + FP_REG_BASE},
789 {"%fr6l", 6 + FP_REG_BASE},
790 {"%fr6r", 6 + FP_REG_BASE + FP_REG_RSEL},
791 {"%fr7", 7 + FP_REG_BASE},
792 {"%fr7l", 7 + FP_REG_BASE},
793 {"%fr7r", 7 + FP_REG_BASE + FP_REG_RSEL},
794 {"%fr8", 8 + FP_REG_BASE},
795 {"%fr8l", 8 + FP_REG_BASE},
796 {"%fr8r", 8 + FP_REG_BASE + FP_REG_RSEL},
797 {"%fr9", 9 + FP_REG_BASE},
798 {"%fr9l", 9 + FP_REG_BASE},
799 {"%fr9r", 9 + FP_REG_BASE + FP_REG_RSEL},
808 #if TARGET_ARCH_SIZE == 64
884 /* This table is sorted by order of the length of the string. This is
885 so we check for <> before we check for <. If we had a <> and checked
886 for < first, we would get a false match. */
887 static const struct fp_cond_map fp_cond_map[] =
923 static const struct selector_entry selector_table[] =
948 /* default space and subspace dictionaries */
950 #define GDB_SYMBOLS GDB_SYMBOLS_SUBSPACE_NAME
951 #define GDB_STRINGS GDB_STRINGS_SUBSPACE_NAME
953 /* pre-defined subsegments (subspaces) for the HPPA. */
954 #define SUBSEG_CODE 0
956 #define SUBSEG_MILLI 2
957 #define SUBSEG_DATA 0
959 #define SUBSEG_UNWIND 3
960 #define SUBSEG_GDB_STRINGS 0
961 #define SUBSEG_GDB_SYMBOLS 1
963 static struct default_subspace_dict pa_def_subspaces[] =
965 {"$CODE$", 1, 1, 1, 0, 0, 0, 0, 24, 0x2c, 0, 8, 0, 0, SUBSEG_CODE},
966 {"$DATA$", 1, 1, 0, 0, 0, 0, 0, 24, 0x1f, 1, 8, 1, 1, SUBSEG_DATA},
967 {"$LIT$", 1, 1, 0, 0, 0, 0, 0, 16, 0x2c, 0, 8, 0, 0, SUBSEG_LIT},
968 {"$MILLICODE$", 1, 1, 0, 0, 0, 0, 0, 8, 0x2c, 0, 8, 0, 0, SUBSEG_MILLI},
969 {"$BSS$", 1, 1, 0, 0, 0, 0, 1, 80, 0x1f, 1, 8, 1, 1, SUBSEG_BSS},
970 {NULL, 0, 1, 0, 0, 0, 0, 0, 255, 0x1f, 0, 4, 0, 0, 0}
973 static struct default_space_dict pa_def_spaces[] =
975 {"$TEXT$", 0, 1, 1, 0, 8, ASEC_NULL},
976 {"$PRIVATE$", 1, 1, 1, 1, 16, ASEC_NULL},
977 {NULL, 0, 0, 0, 0, 0, ASEC_NULL}
980 /* Misc local definitions used by the assembler. */
982 /* These macros are used to maintain spaces/subspaces. */
983 #define SPACE_DEFINED(space_chain) (space_chain)->sd_defined
984 #define SPACE_USER_DEFINED(space_chain) (space_chain)->sd_user_defined
985 #define SPACE_SPNUM(space_chain) (space_chain)->sd_spnum
986 #define SPACE_NAME(space_chain) (space_chain)->sd_name
988 #define SUBSPACE_DEFINED(ss_chain) (ss_chain)->ssd_defined
989 #define SUBSPACE_NAME(ss_chain) (ss_chain)->ssd_name
992 /* Return nonzero if the string pointed to by S potentially represents
993 a right or left half of a FP register */
994 #define IS_R_SELECT(S) (*(S) == 'R' || *(S) == 'r')
995 #define IS_L_SELECT(S) (*(S) == 'L' || *(S) == 'l')
997 /* Store immediate values of shift/deposit/extract functions. */
999 #define SAVE_IMMEDIATE(VALUE) \
1001 if (immediate_check) \
1005 else if (len == -1) \
1010 /* Insert FIELD into OPCODE starting at bit START. Continue pa_ip
1011 main loop after insertion. */
1013 #define INSERT_FIELD_AND_CONTINUE(OPCODE, FIELD, START) \
1015 ((OPCODE) |= (FIELD) << (START)); \
1019 /* Simple range checking for FIELD against HIGH and LOW bounds.
1020 IGNORE is used to suppress the error message. */
1022 #define CHECK_FIELD(FIELD, HIGH, LOW, IGNORE) \
1024 if ((FIELD) > (HIGH) || (FIELD) < (LOW)) \
1027 as_bad (_("Field out of range [%d..%d] (%d)."), (LOW), (HIGH), \
1033 /* Variant of CHECK_FIELD for use in md_apply_fix and other places where
1034 the current file and line number are not valid. */
1036 #define CHECK_FIELD_WHERE(FIELD, HIGH, LOW, FILENAME, LINE) \
1038 if ((FIELD) > (HIGH) || (FIELD) < (LOW)) \
1040 as_bad_where ((FILENAME), (LINE), \
1041 _("Field out of range [%d..%d] (%d)."), (LOW), (HIGH), \
1047 /* Simple alignment checking for FIELD against ALIGN (a power of two).
1048 IGNORE is used to suppress the error message. */
1050 #define CHECK_ALIGN(FIELD, ALIGN, IGNORE) \
1052 if ((FIELD) & ((ALIGN) - 1)) \
1055 as_bad (_("Field not properly aligned [%d] (%d)."), (ALIGN), \
1061 #define is_DP_relative(exp) \
1062 ((exp).X_op == O_subtract \
1063 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$global$") == 0)
1065 #define is_SB_relative(exp) \
1066 ((exp).X_op == O_subtract \
1067 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$segrel$") == 0)
1069 #define is_PC_relative(exp) \
1070 ((exp).X_op == O_subtract \
1071 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$PIC_pcrel$0") == 0)
1073 #define is_tls_gdidx(exp) \
1074 ((exp).X_op == O_subtract \
1075 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$tls_gdidx$") == 0)
1077 #define is_tls_ldidx(exp) \
1078 ((exp).X_op == O_subtract \
1079 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$tls_ldidx$") == 0)
1081 #define is_tls_dtpoff(exp) \
1082 ((exp).X_op == O_subtract \
1083 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$tls_dtpoff$") == 0)
1085 #define is_tls_ieoff(exp) \
1086 ((exp).X_op == O_subtract \
1087 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$tls_ieoff$") == 0)
1089 #define is_tls_leoff(exp) \
1090 ((exp).X_op == O_subtract \
1091 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$tls_leoff$") == 0)
1093 /* We need some complex handling for stabs (sym1 - sym2). Luckily, we'll
1094 always be able to reduce the expression to a constant, so we don't
1095 need real complex handling yet. */
1096 #define is_complex(exp) \
1097 ((exp).X_op != O_constant && (exp).X_op != O_symbol)
1099 /* Actual functions to implement the PA specific code for the assembler. */
1101 /* Called before writing the object file. Make sure entry/exit and
1102 proc/procend pairs match. */
1107 if (within_entry_exit)
1108 as_fatal (_("Missing .exit\n"));
1110 if (within_procedure)
1111 as_fatal (_("Missing .procend\n"));
1114 /* Returns a pointer to the label_symbol_struct for the current space.
1115 or NULL if no label_symbol_struct exists for the current space. */
1117 static label_symbol_struct *
1120 label_symbol_struct *label_chain = label_symbols_rootp;
1125 if (current_space == label_chain->lss_space && label_chain->lss_label)
1129 if (now_seg == label_chain->lss_segment && label_chain->lss_label)
1137 /* Defines a label for the current space. If one is already defined,
1138 this function will replace it with the new label. */
1141 pa_define_label (symbolS *symbol)
1143 label_symbol_struct *label_chain = label_symbols_rootp;
1146 label_chain = &last_label_symbol;
1148 label_chain->lss_label = symbol;
1150 label_chain->lss_space = current_space;
1153 label_chain->lss_segment = now_seg;
1157 label_chain->lss_next = NULL;
1159 label_symbols_rootp = label_chain;
1162 dwarf2_emit_label (symbol);
1166 /* Removes a label definition for the current space.
1167 If there is no label_symbol_struct entry, then no action is taken. */
1170 pa_undefine_label (void)
1172 label_symbols_rootp = NULL;
1175 /* An HPPA-specific version of fix_new. This is required because the HPPA
1176 code needs to keep track of some extra stuff. Each call to fix_new_hppa
1177 results in the creation of an instance of an hppa_fix_struct. An
1178 hppa_fix_struct stores the extra information along with a pointer to the
1179 original fixS. This is attached to the original fixup via the
1180 tc_fix_data field. */
1183 fix_new_hppa (fragS *frag,
1186 symbolS *add_symbol,
1190 bfd_reloc_code_real_type r_type,
1191 enum hppa_reloc_field_selector_type_alt r_field,
1193 unsigned int arg_reloc,
1194 int unwind_bits ATTRIBUTE_UNUSED)
1197 struct hppa_fix_struct *hppa_fix = obstack_alloc (¬es, sizeof (struct hppa_fix_struct));
1200 new_fix = fix_new_exp (frag, where, size, exp, pcrel, r_type);
1202 new_fix = fix_new (frag, where, size, add_symbol, offset, pcrel, r_type);
1203 new_fix->tc_fix_data = (void *) hppa_fix;
1204 hppa_fix->fx_r_type = r_type;
1205 hppa_fix->fx_r_field = r_field;
1206 hppa_fix->fx_r_format = r_format;
1207 hppa_fix->fx_arg_reloc = arg_reloc;
1208 hppa_fix->segment = now_seg;
1210 if (r_type == R_ENTRY || r_type == R_EXIT)
1211 new_fix->fx_offset = unwind_bits;
1214 /* foo-$global$ is used to access non-automatic storage. $global$
1215 is really just a marker and has served its purpose, so eliminate
1216 it now so as not to confuse write.c. Ditto for $PIC_pcrel$0. */
1217 if (new_fix->fx_subsy
1218 && (strcmp (S_GET_NAME (new_fix->fx_subsy), "$global$") == 0
1219 || strcmp (S_GET_NAME (new_fix->fx_subsy), "$segrel$") == 0
1220 || strcmp (S_GET_NAME (new_fix->fx_subsy), "$PIC_pcrel$0") == 0
1221 || strcmp (S_GET_NAME (new_fix->fx_subsy), "$tls_gdidx$") == 0
1222 || strcmp (S_GET_NAME (new_fix->fx_subsy), "$tls_ldidx$") == 0
1223 || strcmp (S_GET_NAME (new_fix->fx_subsy), "$tls_dtpoff$") == 0
1224 || strcmp (S_GET_NAME (new_fix->fx_subsy), "$tls_ieoff$") == 0
1225 || strcmp (S_GET_NAME (new_fix->fx_subsy), "$tls_leoff$") == 0))
1226 new_fix->fx_subsy = NULL;
1229 /* This fix_new is called by cons via TC_CONS_FIX_NEW.
1230 hppa_field_selector is set by the parse_cons_expression_hppa. */
1233 cons_fix_new_hppa (fragS *frag, int where, int size, expressionS *exp,
1234 int hppa_field_selector)
1236 unsigned int rel_type;
1238 /* Get a base relocation type. */
1239 if (is_DP_relative (*exp))
1240 rel_type = R_HPPA_GOTOFF;
1241 else if (is_PC_relative (*exp))
1242 rel_type = R_HPPA_PCREL_CALL;
1244 else if (is_SB_relative (*exp))
1245 rel_type = R_PARISC_SEGREL32;
1246 else if (is_tls_gdidx (*exp))
1247 rel_type = R_PARISC_TLS_GD21L;
1248 else if (is_tls_ldidx (*exp))
1249 rel_type = R_PARISC_TLS_LDM21L;
1250 else if (is_tls_dtpoff (*exp))
1251 rel_type = R_PARISC_TLS_LDO21L;
1252 else if (is_tls_ieoff (*exp))
1253 rel_type = R_PARISC_TLS_IE21L;
1254 else if (is_tls_leoff (*exp))
1255 rel_type = R_PARISC_TLS_LE21L;
1257 else if (is_complex (*exp))
1258 rel_type = R_HPPA_COMPLEX;
1262 if (hppa_field_selector != e_psel && hppa_field_selector != e_fsel)
1264 as_warn (_("Invalid field selector. Assuming F%%."));
1265 hppa_field_selector = e_fsel;
1268 fix_new_hppa (frag, where, size,
1269 (symbolS *) NULL, (offsetT) 0, exp, 0, rel_type,
1270 hppa_field_selector, size * 8, 0, 0);
1273 /* Mark (via expr_end) the end of an expression (I think). FIXME. */
1276 get_expression (char *str)
1281 save_in = input_line_pointer;
1282 input_line_pointer = str;
1283 seg = expression (&the_insn.exp);
1284 if (!(seg == absolute_section
1285 || seg == undefined_section
1286 || SEG_NORMAL (seg)))
1288 as_warn (_("Bad segment in expression."));
1289 expr_end = input_line_pointer;
1290 input_line_pointer = save_in;
1293 expr_end = input_line_pointer;
1294 input_line_pointer = save_in;
1297 /* Parse a PA nullification completer (,n). Return nonzero if the
1298 completer was found; return zero if no completer was found. */
1301 pa_parse_nullif (char **s)
1309 if (strncasecmp (*s, "n", 1) == 0)
1313 as_bad (_("Invalid Nullification: (%c)"), **s);
1323 md_atof (int type, char *litP, int *sizeP)
1325 return ieee_md_atof (type, litP, sizeP, TRUE);
1328 /* Write out big-endian. */
1331 md_number_to_chars (char *buf, valueT val, int n)
1333 number_to_chars_bigendian (buf, val, n);
1336 /* Translate internal representation of relocation info to BFD target
1340 tc_gen_reloc (asection *section, fixS *fixp)
1343 struct hppa_fix_struct *hppa_fixp;
1344 static arelent *no_relocs = NULL;
1351 hppa_fixp = (struct hppa_fix_struct *) fixp->tc_fix_data;
1352 if (fixp->fx_addsy == 0)
1355 gas_assert (hppa_fixp != 0);
1356 gas_assert (section != 0);
1358 reloc = xmalloc (sizeof (arelent));
1360 reloc->sym_ptr_ptr = xmalloc (sizeof (asymbol *));
1361 *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
1363 /* Allow fixup_segment to recognize hand-written pc-relative relocations.
1364 When we went through cons_fix_new_hppa, we classified them as complex. */
1365 /* ??? It might be better to hide this +8 stuff in tc_cfi_emit_pcrel_expr,
1366 undefine DIFF_EXPR_OK, and let these sorts of complex expressions fail
1367 when R_HPPA_COMPLEX == R_PARISC_UNIMPLEMENTED. */
1368 if (fixp->fx_r_type == (bfd_reloc_code_real_type) R_HPPA_COMPLEX
1371 fixp->fx_r_type = R_HPPA_PCREL_CALL;
1372 fixp->fx_offset += 8;
1375 codes = hppa_gen_reloc_type (stdoutput,
1377 hppa_fixp->fx_r_format,
1378 hppa_fixp->fx_r_field,
1379 fixp->fx_subsy != NULL,
1380 symbol_get_bfdsym (fixp->fx_addsy));
1384 as_bad_where (fixp->fx_file, fixp->fx_line, _("Cannot handle fixup"));
1388 for (n_relocs = 0; codes[n_relocs]; n_relocs++)
1391 relocs = xmalloc (sizeof (arelent *) * n_relocs + 1);
1392 reloc = xmalloc (sizeof (arelent) * n_relocs);
1393 for (i = 0; i < n_relocs; i++)
1394 relocs[i] = &reloc[i];
1396 relocs[n_relocs] = NULL;
1399 switch (fixp->fx_r_type)
1402 gas_assert (n_relocs == 1);
1406 /* Now, do any processing that is dependent on the relocation type. */
1409 case R_PARISC_DLTREL21L:
1410 case R_PARISC_DLTREL14R:
1411 case R_PARISC_DLTREL14F:
1412 case R_PARISC_PLABEL32:
1413 case R_PARISC_PLABEL21L:
1414 case R_PARISC_PLABEL14R:
1415 /* For plabel relocations, the addend of the
1416 relocation should be either 0 (no static link) or 2
1417 (static link required). This adjustment is done in
1418 bfd/elf32-hppa.c:elf32_hppa_relocate_section.
1420 We also slam a zero addend into the DLT relative relocs;
1421 it doesn't make a lot of sense to use any addend since
1422 it gets you a different (eg unknown) DLT entry. */
1426 #ifdef ELF_ARG_RELOC
1427 case R_PARISC_PCREL17R:
1428 case R_PARISC_PCREL17F:
1429 case R_PARISC_PCREL17C:
1430 case R_PARISC_DIR17R:
1431 case R_PARISC_DIR17F:
1432 case R_PARISC_PCREL21L:
1433 case R_PARISC_DIR21L:
1434 reloc->addend = HPPA_R_ADDEND (hppa_fixp->fx_arg_reloc,
1439 case R_PARISC_DIR32:
1440 /* Facilitate hand-crafted unwind info. */
1441 if (strcmp (section->name, UNWIND_SECTION_NAME) == 0)
1442 code = R_PARISC_SEGREL32;
1446 reloc->addend = fixp->fx_offset;
1450 reloc->sym_ptr_ptr = xmalloc (sizeof (asymbol *));
1451 *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
1452 reloc->howto = bfd_reloc_type_lookup (stdoutput,
1453 (bfd_reloc_code_real_type) code);
1454 reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
1456 gas_assert (reloc->howto && (unsigned int) code == reloc->howto->type);
1461 /* Walk over reach relocation returned by the BFD backend. */
1462 for (i = 0; i < n_relocs; i++)
1466 relocs[i]->sym_ptr_ptr = xmalloc (sizeof (asymbol *));
1467 *relocs[i]->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
1469 bfd_reloc_type_lookup (stdoutput,
1470 (bfd_reloc_code_real_type) code);
1471 relocs[i]->address = fixp->fx_frag->fr_address + fixp->fx_where;
1476 /* The only time we ever use a R_COMP2 fixup is for the difference
1477 of two symbols. With that in mind we fill in all four
1478 relocs now and break out of the loop. */
1479 gas_assert (i == 1);
1480 relocs[0]->sym_ptr_ptr
1481 = (asymbol **) bfd_abs_section_ptr->symbol_ptr_ptr;
1483 = bfd_reloc_type_lookup (stdoutput,
1484 (bfd_reloc_code_real_type) *codes[0]);
1485 relocs[0]->address = fixp->fx_frag->fr_address + fixp->fx_where;
1486 relocs[0]->addend = 0;
1487 relocs[1]->sym_ptr_ptr = xmalloc (sizeof (asymbol *));
1488 *relocs[1]->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
1490 = bfd_reloc_type_lookup (stdoutput,
1491 (bfd_reloc_code_real_type) *codes[1]);
1492 relocs[1]->address = fixp->fx_frag->fr_address + fixp->fx_where;
1493 relocs[1]->addend = 0;
1494 relocs[2]->sym_ptr_ptr = xmalloc (sizeof (asymbol *));
1495 *relocs[2]->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_subsy);
1497 = bfd_reloc_type_lookup (stdoutput,
1498 (bfd_reloc_code_real_type) *codes[2]);
1499 relocs[2]->address = fixp->fx_frag->fr_address + fixp->fx_where;
1500 relocs[2]->addend = 0;
1501 relocs[3]->sym_ptr_ptr
1502 = (asymbol **) bfd_abs_section_ptr->symbol_ptr_ptr;
1504 = bfd_reloc_type_lookup (stdoutput,
1505 (bfd_reloc_code_real_type) *codes[3]);
1506 relocs[3]->address = fixp->fx_frag->fr_address + fixp->fx_where;
1507 relocs[3]->addend = 0;
1508 relocs[4]->sym_ptr_ptr
1509 = (asymbol **) bfd_abs_section_ptr->symbol_ptr_ptr;
1511 = bfd_reloc_type_lookup (stdoutput,
1512 (bfd_reloc_code_real_type) *codes[4]);
1513 relocs[4]->address = fixp->fx_frag->fr_address + fixp->fx_where;
1514 relocs[4]->addend = 0;
1518 relocs[i]->addend = HPPA_R_ADDEND (hppa_fixp->fx_arg_reloc, 0);
1524 /* For plabel relocations, the addend of the
1525 relocation should be either 0 (no static link) or 2
1526 (static link required).
1528 FIXME: We always assume no static link!
1530 We also slam a zero addend into the DLT relative relocs;
1531 it doesn't make a lot of sense to use any addend since
1532 it gets you a different (eg unknown) DLT entry. */
1533 relocs[i]->addend = 0;
1548 /* There is no symbol or addend associated with these fixups. */
1549 relocs[i]->sym_ptr_ptr = xmalloc (sizeof (asymbol *));
1550 *relocs[i]->sym_ptr_ptr = symbol_get_bfdsym (dummy_symbol);
1551 relocs[i]->addend = 0;
1557 /* There is no symbol associated with these fixups. */
1558 relocs[i]->sym_ptr_ptr = xmalloc (sizeof (asymbol *));
1559 *relocs[i]->sym_ptr_ptr = symbol_get_bfdsym (dummy_symbol);
1560 relocs[i]->addend = fixp->fx_offset;
1564 relocs[i]->addend = fixp->fx_offset;
1574 /* Process any machine dependent frag types. */
1577 md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED,
1578 asection *sec ATTRIBUTE_UNUSED,
1581 unsigned int address;
1583 if (fragP->fr_type == rs_machine_dependent)
1585 switch ((int) fragP->fr_subtype)
1588 fragP->fr_type = rs_fill;
1589 know (fragP->fr_var == 1);
1590 know (fragP->fr_next);
1591 address = fragP->fr_address + fragP->fr_fix;
1592 if (address % fragP->fr_offset)
1595 fragP->fr_next->fr_address
1600 fragP->fr_offset = 0;
1606 /* Round up a section size to the appropriate boundary. */
1609 md_section_align (asection *segment, valueT size)
1611 int align = bfd_get_section_alignment (stdoutput, segment);
1612 int align2 = (1 << align) - 1;
1614 return (size + align2) & ~align2;
1617 /* Return the approximate size of a frag before relaxation has occurred. */
1620 md_estimate_size_before_relax (fragS *fragP, asection *segment ATTRIBUTE_UNUSED)
1626 while ((fragP->fr_fix + size) % fragP->fr_offset)
1633 # ifdef WARN_COMMENTS
1634 const char *md_shortopts = "Vc";
1636 const char *md_shortopts = "V";
1639 # ifdef WARN_COMMENTS
1640 const char *md_shortopts = "c";
1642 const char *md_shortopts = "";
1646 struct option md_longopts[] =
1648 #ifdef WARN_COMMENTS
1649 {"warn-comment", no_argument, NULL, 'c'},
1651 {NULL, no_argument, NULL, 0}
1653 size_t md_longopts_size = sizeof (md_longopts);
1656 md_parse_option (int c, char *arg ATTRIBUTE_UNUSED)
1665 print_version_id ();
1668 #ifdef WARN_COMMENTS
1679 md_show_usage (FILE *stream ATTRIBUTE_UNUSED)
1682 fprintf (stream, _("\
1685 #ifdef WARN_COMMENTS
1686 fprintf (stream, _("\
1687 -c print a warning if a comment is found\n"));
1691 /* We have no need to default values of symbols. */
1694 md_undefined_symbol (char *name ATTRIBUTE_UNUSED)
1699 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
1700 #define nonzero_dibits(x) \
1701 ((x) | (((x) & 0x55555555) << 1) | (((x) & 0xAAAAAAAA) >> 1))
1702 #define arg_reloc_stub_needed(CALLER, CALLEE) \
1703 (((CALLER) ^ (CALLEE)) & nonzero_dibits (CALLER) & nonzero_dibits (CALLEE))
1705 #define arg_reloc_stub_needed(CALLER, CALLEE) 0
1708 /* Apply a fixup to an instruction. */
1711 md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
1714 struct hppa_fix_struct *hppa_fixP;
1718 /* SOM uses R_HPPA_ENTRY and R_HPPA_EXIT relocations which can
1719 never be "applied" (they are just markers). Likewise for
1720 R_HPPA_BEGIN_BRTAB and R_HPPA_END_BRTAB. */
1722 if (fixP->fx_r_type == R_HPPA_ENTRY
1723 || fixP->fx_r_type == R_HPPA_EXIT
1724 || fixP->fx_r_type == R_HPPA_BEGIN_BRTAB
1725 || fixP->fx_r_type == R_HPPA_END_BRTAB
1726 || fixP->fx_r_type == R_HPPA_BEGIN_TRY)
1729 /* Disgusting. We must set fx_offset ourselves -- R_HPPA_END_TRY
1730 fixups are considered not adjustable, which in turn causes
1731 adjust_reloc_syms to not set fx_offset. Ugh. */
1732 if (fixP->fx_r_type == R_HPPA_END_TRY)
1734 fixP->fx_offset = * valP;
1739 if (fixP->fx_r_type == (int) R_PARISC_GNU_VTENTRY
1740 || fixP->fx_r_type == (int) R_PARISC_GNU_VTINHERIT)
1744 if (fixP->fx_addsy == NULL && fixP->fx_pcrel == 0)
1747 /* There should be a HPPA specific fixup associated with the GAS fixup. */
1748 hppa_fixP = (struct hppa_fix_struct *) fixP->tc_fix_data;
1749 if (hppa_fixP == NULL)
1751 as_bad_where (fixP->fx_file, fixP->fx_line,
1752 _("no hppa_fixup entry for fixup type 0x%x"),
1757 fixpos = fixP->fx_frag->fr_literal + fixP->fx_where;
1759 if (fixP->fx_size != 4 || hppa_fixP->fx_r_format == 32)
1761 /* Handle constant output. */
1762 number_to_chars_bigendian (fixpos, *valP, fixP->fx_size);
1766 insn = bfd_get_32 (stdoutput, fixpos);
1767 fmt = bfd_hppa_insn2fmt (stdoutput, insn);
1769 /* If there is a symbol associated with this fixup, then it's something
1770 which will need a SOM relocation (except for some PC-relative relocs).
1771 In such cases we should treat the "val" or "addend" as zero since it
1772 will be added in as needed from fx_offset in tc_gen_reloc. */
1773 if ((fixP->fx_addsy != NULL
1774 || fixP->fx_r_type == (int) R_HPPA_NONE)
1779 new_val = ((fmt == 12 || fmt == 17 || fmt == 22) ? 8 : 0);
1781 /* These field selectors imply that we do not want an addend. */
1782 else if (hppa_fixP->fx_r_field == e_psel
1783 || hppa_fixP->fx_r_field == e_rpsel
1784 || hppa_fixP->fx_r_field == e_lpsel
1785 || hppa_fixP->fx_r_field == e_tsel
1786 || hppa_fixP->fx_r_field == e_rtsel
1787 || hppa_fixP->fx_r_field == e_ltsel)
1788 new_val = ((fmt == 12 || fmt == 17 || fmt == 22) ? 8 : 0);
1791 new_val = hppa_field_adjust (* valP, 0, hppa_fixP->fx_r_field);
1793 /* Handle pc-relative exceptions from above. */
1794 if ((fmt == 12 || fmt == 17 || fmt == 22)
1797 && !arg_reloc_stub_needed (symbol_arg_reloc_info (fixP->fx_addsy),
1798 hppa_fixP->fx_arg_reloc)
1800 && (* valP - 8 + 8192 < 16384
1801 || (fmt == 17 && * valP - 8 + 262144 < 524288)
1802 || (fmt == 22 && * valP - 8 + 8388608 < 16777216))
1805 && (* valP - 8 + 262144 < 524288
1806 || (fmt == 22 && * valP - 8 + 8388608 < 16777216))
1808 && !S_IS_EXTERNAL (fixP->fx_addsy)
1809 && !S_IS_WEAK (fixP->fx_addsy)
1810 && S_GET_SEGMENT (fixP->fx_addsy) == hppa_fixP->segment
1812 && S_GET_SEGMENT (fixP->fx_subsy) != hppa_fixP->segment))
1814 new_val = hppa_field_adjust (* valP, 0, hppa_fixP->fx_r_field);
1820 CHECK_FIELD_WHERE (new_val, 8191, -8192,
1821 fixP->fx_file, fixP->fx_line);
1824 insn = (insn & ~ 0x3ff1) | (((val & 0x1ff8) << 1)
1825 | ((val & 0x2000) >> 13));
1828 CHECK_FIELD_WHERE (new_val, 8191, -8192,
1829 fixP->fx_file, fixP->fx_line);
1832 insn = (insn & ~ 0x3ff9) | (((val & 0x1ffc) << 1)
1833 | ((val & 0x2000) >> 13));
1835 /* Handle all opcodes with the 'j' operand type. */
1837 CHECK_FIELD_WHERE (new_val, 8191, -8192,
1838 fixP->fx_file, fixP->fx_line);
1841 insn = ((insn & ~ 0x3fff) | low_sign_unext (val, 14));
1844 /* Handle all opcodes with the 'k' operand type. */
1846 CHECK_FIELD_WHERE (new_val, 1048575, -1048576,
1847 fixP->fx_file, fixP->fx_line);
1850 insn = (insn & ~ 0x1fffff) | re_assemble_21 (val);
1853 /* Handle all the opcodes with the 'i' operand type. */
1855 CHECK_FIELD_WHERE (new_val, 1023, -1024,
1856 fixP->fx_file, fixP->fx_line);
1859 insn = (insn & ~ 0x7ff) | low_sign_unext (val, 11);
1862 /* Handle all the opcodes with the 'w' operand type. */
1864 CHECK_FIELD_WHERE (new_val - 8, 8191, -8192,
1865 fixP->fx_file, fixP->fx_line);
1868 insn = (insn & ~ 0x1ffd) | re_assemble_12 (val >> 2);
1871 /* Handle some of the opcodes with the 'W' operand type. */
1874 offsetT distance = * valP;
1876 /* If this is an absolute branch (ie no link) with an out of
1877 range target, then we want to complain. */
1878 if (fixP->fx_r_type == (int) R_HPPA_PCREL_CALL
1879 && (insn & 0xffe00000) == 0xe8000000)
1880 CHECK_FIELD_WHERE (distance - 8, 262143, -262144,
1881 fixP->fx_file, fixP->fx_line);
1883 CHECK_FIELD_WHERE (new_val - 8, 262143, -262144,
1884 fixP->fx_file, fixP->fx_line);
1887 insn = (insn & ~ 0x1f1ffd) | re_assemble_17 (val >> 2);
1893 offsetT distance = * valP;
1895 /* If this is an absolute branch (ie no link) with an out of
1896 range target, then we want to complain. */
1897 if (fixP->fx_r_type == (int) R_HPPA_PCREL_CALL
1898 && (insn & 0xffe00000) == 0xe8000000)
1899 CHECK_FIELD_WHERE (distance - 8, 8388607, -8388608,
1900 fixP->fx_file, fixP->fx_line);
1902 CHECK_FIELD_WHERE (new_val - 8, 8388607, -8388608,
1903 fixP->fx_file, fixP->fx_line);
1906 insn = (insn & ~ 0x3ff1ffd) | re_assemble_22 (val >> 2);
1912 insn = (insn & ~ 0xfff1) | re_assemble_16 (val & -8);
1917 insn = (insn & ~ 0xfff9) | re_assemble_16 (val & -4);
1922 insn = (insn & ~ 0xffff) | re_assemble_16 (val);
1930 as_bad_where (fixP->fx_file, fixP->fx_line,
1931 _("Unknown relocation encountered in md_apply_fix."));
1936 switch (fixP->fx_r_type)
1938 case R_PARISC_TLS_GD21L:
1939 case R_PARISC_TLS_GD14R:
1940 case R_PARISC_TLS_LDM21L:
1941 case R_PARISC_TLS_LDM14R:
1942 case R_PARISC_TLS_LE21L:
1943 case R_PARISC_TLS_LE14R:
1944 case R_PARISC_TLS_IE21L:
1945 case R_PARISC_TLS_IE14R:
1947 S_SET_THREAD_LOCAL (fixP->fx_addsy);
1954 /* Insert the relocation. */
1955 bfd_put_32 (stdoutput, insn, fixpos);
1958 /* Exactly what point is a PC-relative offset relative TO?
1959 On the PA, they're relative to the address of the offset. */
1962 md_pcrel_from (fixS *fixP)
1964 return fixP->fx_where + fixP->fx_frag->fr_address;
1967 /* Return nonzero if the input line pointer is at the end of
1971 is_end_of_statement (void)
1973 return ((*input_line_pointer == '\n')
1974 || (*input_line_pointer == ';')
1975 || (*input_line_pointer == '!'));
1978 #define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct pd_reg))
1980 /* Given NAME, find the register number associated with that name, return
1981 the integer value associated with the given name or -1 on failure. */
1984 reg_name_search (char *name)
1986 int middle, low, high;
1990 high = REG_NAME_CNT - 1;
1994 middle = (low + high) / 2;
1995 cmp = strcasecmp (name, pre_defined_registers[middle].name);
2001 return pre_defined_registers[middle].value;
2003 while (low <= high);
2008 /* Read a number from S. The number might come in one of many forms,
2009 the most common will be a hex or decimal constant, but it could be
2010 a pre-defined register (Yuk!), or an absolute symbol.
2012 Return 1 on success or 0 on failure. If STRICT, then a missing
2013 register prefix will cause a failure. The number itself is
2014 returned in `pa_number'.
2016 IS_FLOAT indicates that a PA-89 FP register number should be
2017 parsed; A `l' or `r' suffix is checked for if but 2 of IS_FLOAT is
2020 pa_parse_number can not handle negative constants and will fail
2021 horribly if it is passed such a constant. */
2024 pa_parse_number (char **s, int is_float)
2032 bfd_boolean have_prefix;
2034 /* Skip whitespace before the number. */
2035 while (*p == ' ' || *p == '\t')
2041 if (!strict && ISDIGIT (*p))
2043 /* Looks like a number. */
2045 if (*p == '0' && (*(p + 1) == 'x' || *(p + 1) == 'X'))
2047 /* The number is specified in hex. */
2049 while (ISDIGIT (*p) || ((*p >= 'a') && (*p <= 'f'))
2050 || ((*p >= 'A') && (*p <= 'F')))
2053 num = num * 16 + *p - '0';
2054 else if (*p >= 'a' && *p <= 'f')
2055 num = num * 16 + *p - 'a' + 10;
2057 num = num * 16 + *p - 'A' + 10;
2063 /* The number is specified in decimal. */
2064 while (ISDIGIT (*p))
2066 num = num * 10 + *p - '0';
2073 /* Check for a `l' or `r' suffix. */
2076 pa_number += FP_REG_BASE;
2077 if (! (is_float & 2))
2079 if (IS_R_SELECT (p))
2081 pa_number += FP_REG_RSEL;
2084 else if (IS_L_SELECT (p))
2093 /* The number might be a predefined register. */
2098 /* Tege hack: Special case for general registers as the general
2099 code makes a binary search with case translation, and is VERY
2104 if (*p == 'e' && *(p + 1) == 't'
2105 && (*(p + 2) == '0' || *(p + 2) == '1'))
2108 num = *p - '0' + 28;
2116 else if (!ISDIGIT (*p))
2119 as_bad (_("Undefined register: '%s'."), name);
2125 num = num * 10 + *p++ - '0';
2126 while (ISDIGIT (*p));
2131 /* Do a normal register search. */
2132 while (is_part_of_name (c))
2138 status = reg_name_search (name);
2144 as_bad (_("Undefined register: '%s'."), name);
2154 /* And finally, it could be a symbol in the absolute section which
2155 is effectively a constant, or a register alias symbol. */
2158 while (is_part_of_name (c))
2164 if ((sym = symbol_find (name)) != NULL)
2166 if (S_GET_SEGMENT (sym) == reg_section)
2168 num = S_GET_VALUE (sym);
2169 /* Well, we don't really have one, but we do have a
2173 else if (S_GET_SEGMENT (sym) == bfd_abs_section_ptr)
2174 num = S_GET_VALUE (sym);
2178 as_bad (_("Non-absolute symbol: '%s'."), name);
2184 /* There is where we'd come for an undefined symbol
2185 or for an empty string. For an empty string we
2186 will return zero. That's a concession made for
2187 compatibility with the braindamaged HP assemblers. */
2193 as_bad (_("Undefined absolute constant: '%s'."), name);
2202 if (!strict || have_prefix)
2210 /* Return nonzero if the given INSN and L/R information will require
2211 a new PA-1.1 opcode. */
2214 need_pa11_opcode (void)
2216 if ((pa_number & FP_REG_RSEL) != 0
2217 && !(the_insn.fpof1 == DBL && the_insn.fpof2 == DBL))
2219 /* If this instruction is specific to a particular architecture,
2220 then set a new architecture. */
2221 if (bfd_get_mach (stdoutput) < pa11)
2223 if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, pa11))
2224 as_warn (_("could not update architecture and machine"));
2232 /* Parse a condition for a fcmp instruction. Return the numerical
2233 code associated with the condition. */
2236 pa_parse_fp_cmp_cond (char **s)
2242 for (i = 0; i < 32; i++)
2244 if (strncasecmp (*s, fp_cond_map[i].string,
2245 strlen (fp_cond_map[i].string)) == 0)
2247 cond = fp_cond_map[i].cond;
2248 *s += strlen (fp_cond_map[i].string);
2249 /* If not a complete match, back up the input string and
2251 if (**s != ' ' && **s != '\t')
2253 *s -= strlen (fp_cond_map[i].string);
2256 while (**s == ' ' || **s == '\t')
2262 as_bad (_("Invalid FP Compare Condition: %s"), *s);
2264 /* Advance over the bogus completer. */
2265 while (**s != ',' && **s != ' ' && **s != '\t')
2271 /* Parse a graphics test complete for ftest. */
2274 pa_parse_ftest_gfx_completer (char **s)
2279 if (strncasecmp (*s, "acc8", 4) == 0)
2284 else if (strncasecmp (*s, "acc6", 4) == 0)
2289 else if (strncasecmp (*s, "acc4", 4) == 0)
2294 else if (strncasecmp (*s, "acc2", 4) == 0)
2299 else if (strncasecmp (*s, "acc", 3) == 0)
2304 else if (strncasecmp (*s, "rej8", 4) == 0)
2309 else if (strncasecmp (*s, "rej", 3) == 0)
2317 as_bad (_("Invalid FTEST completer: %s"), *s);
2323 /* Parse an FP operand format completer returning the completer
2326 static fp_operand_format
2327 pa_parse_fp_cnv_format (char **s)
2335 if (strncasecmp (*s, "sgl", 3) == 0)
2340 else if (strncasecmp (*s, "dbl", 3) == 0)
2345 else if (strncasecmp (*s, "quad", 4) == 0)
2350 else if (strncasecmp (*s, "w", 1) == 0)
2355 else if (strncasecmp (*s, "uw", 2) == 0)
2360 else if (strncasecmp (*s, "dw", 2) == 0)
2365 else if (strncasecmp (*s, "udw", 3) == 0)
2370 else if (strncasecmp (*s, "qw", 2) == 0)
2375 else if (strncasecmp (*s, "uqw", 3) == 0)
2382 format = ILLEGAL_FMT;
2383 as_bad (_("Invalid FP Operand Format: %3s"), *s);
2390 /* Parse an FP operand format completer returning the completer
2393 static fp_operand_format
2394 pa_parse_fp_format (char **s)
2402 if (strncasecmp (*s, "sgl", 3) == 0)
2407 else if (strncasecmp (*s, "dbl", 3) == 0)
2412 else if (strncasecmp (*s, "quad", 4) == 0)
2419 format = ILLEGAL_FMT;
2420 as_bad (_("Invalid FP Operand Format: %3s"), *s);
2427 /* Convert from a selector string into a selector type. */
2430 pa_chk_field_selector (char **str)
2432 int middle, low, high;
2436 /* Read past any whitespace. */
2437 /* FIXME: should we read past newlines and formfeeds??? */
2438 while (**str == ' ' || **str == '\t' || **str == '\n' || **str == '\f')
2441 if ((*str)[1] == '\'' || (*str)[1] == '%')
2442 name[0] = TOLOWER ((*str)[0]),
2444 else if ((*str)[2] == '\'' || (*str)[2] == '%')
2445 name[0] = TOLOWER ((*str)[0]),
2446 name[1] = TOLOWER ((*str)[1]),
2448 else if ((*str)[3] == '\'' || (*str)[3] == '%')
2449 name[0] = TOLOWER ((*str)[0]),
2450 name[1] = TOLOWER ((*str)[1]),
2451 name[2] = TOLOWER ((*str)[2]),
2457 high = sizeof (selector_table) / sizeof (struct selector_entry) - 1;
2461 middle = (low + high) / 2;
2462 cmp = strcmp (name, selector_table[middle].prefix);
2469 *str += strlen (name) + 1;
2471 if (selector_table[middle].field_selector == e_nsel)
2474 return selector_table[middle].field_selector;
2477 while (low <= high);
2482 /* Parse a .byte, .word, .long expression for the HPPA. Called by
2483 cons via the TC_PARSE_CONS_EXPRESSION macro. */
2486 parse_cons_expression_hppa (expressionS *exp)
2488 int hppa_field_selector = pa_chk_field_selector (&input_line_pointer);
2490 return hppa_field_selector;
2493 /* Evaluate an absolute expression EXP which may be modified by
2494 the selector FIELD_SELECTOR. Return the value of the expression. */
2496 evaluate_absolute (struct pa_it *insn)
2500 int field_selector = insn->field_selector;
2503 value = exp.X_add_number;
2505 return hppa_field_adjust (0, value, field_selector);
2508 /* Mark (via expr_end) the end of an absolute expression. FIXME. */
2511 pa_get_absolute_expression (struct pa_it *insn, char **strp)
2515 insn->field_selector = pa_chk_field_selector (strp);
2516 save_in = input_line_pointer;
2517 input_line_pointer = *strp;
2518 expression (&insn->exp);
2519 expr_end = input_line_pointer;
2520 input_line_pointer = save_in;
2521 if (insn->exp.X_op != O_constant)
2523 /* We have a non-match in strict mode. */
2525 as_bad (_("Bad segment (should be absolute)."));
2528 return evaluate_absolute (insn);
2531 /* Get an absolute number. The input string is terminated at the
2532 first whitespace character. */
2535 pa_get_number (struct pa_it *insn, char **strp)
2541 save_in = input_line_pointer;
2542 input_line_pointer = *strp;
2544 /* The PA assembly syntax is ambiguous in a variety of ways. Consider
2545 this string "4 %r5" Is that the number 4 followed by the register
2546 r5, or is that 4 MOD r5? This situation occurs for example in the
2547 coprocessor load and store instructions. Previously, calling
2548 pa_get_absolute_expression directly results in r5 being entered
2549 in the symbol table.
2551 So, when looking for an absolute number, we cut off the input string
2552 at the first whitespace character. Thus, expressions should generally
2553 contain no whitespace. */
2556 while (*s != ',' && *s != ' ' && *s != '\t')
2562 result = pa_get_absolute_expression (insn, strp);
2564 input_line_pointer = save_in;
2569 /* Given an argument location specification return the associated
2570 argument location number. */
2573 pa_build_arg_reloc (char *type_name)
2576 if (strncasecmp (type_name, "no", 2) == 0)
2578 if (strncasecmp (type_name, "gr", 2) == 0)
2580 else if (strncasecmp (type_name, "fr", 2) == 0)
2582 else if (strncasecmp (type_name, "fu", 2) == 0)
2585 as_bad (_("Invalid argument location: %s\n"), type_name);
2590 /* Encode and return an argument relocation specification for
2591 the given register in the location specified by arg_reloc. */
2594 pa_align_arg_reloc (unsigned int reg, unsigned int arg_reloc)
2596 unsigned int new_reloc;
2598 new_reloc = arg_reloc;
2614 as_bad (_("Invalid argument description: %d"), reg);
2620 /* Parse a non-negated compare/subtract completer returning the
2621 number (for encoding in instructions) of the given completer. */
2624 pa_parse_nonneg_cmpsub_cmpltr (char **s)
2627 char *name = *s + 1;
2636 while (**s != ',' && **s != ' ' && **s != '\t')
2641 if (strcmp (name, "=") == 0)
2645 else if (strcmp (name, "<") == 0)
2649 else if (strcmp (name, "<=") == 0)
2653 else if (strcmp (name, "<<") == 0)
2657 else if (strcmp (name, "<<=") == 0)
2661 else if (strcasecmp (name, "sv") == 0)
2665 else if (strcasecmp (name, "od") == 0)
2669 /* If we have something like addb,n then there is no condition
2671 else if (strcasecmp (name, "n") == 0)
2683 /* Reset pointers if this was really a ,n for a branch instruction. */
2690 /* Parse a negated compare/subtract completer returning the
2691 number (for encoding in instructions) of the given completer. */
2694 pa_parse_neg_cmpsub_cmpltr (char **s)
2697 char *name = *s + 1;
2706 while (**s != ',' && **s != ' ' && **s != '\t')
2711 if (strcasecmp (name, "tr") == 0)
2715 else if (strcmp (name, "<>") == 0)
2719 else if (strcmp (name, ">=") == 0)
2723 else if (strcmp (name, ">") == 0)
2727 else if (strcmp (name, ">>=") == 0)
2731 else if (strcmp (name, ">>") == 0)
2735 else if (strcasecmp (name, "nsv") == 0)
2739 else if (strcasecmp (name, "ev") == 0)
2743 /* If we have something like addb,n then there is no condition
2745 else if (strcasecmp (name, "n") == 0)
2757 /* Reset pointers if this was really a ,n for a branch instruction. */
2764 /* Parse a 64 bit compare and branch completer returning the number (for
2765 encoding in instructions) of the given completer.
2767 Nonnegated comparisons are returned as 0-7, negated comparisons are
2768 returned as 8-15. */
2771 pa_parse_cmpb_64_cmpltr (char **s)
2774 char *name = *s + 1;
2781 while (**s != ',' && **s != ' ' && **s != '\t')
2786 if (strcmp (name, "*") == 0)
2790 else if (strcmp (name, "*=") == 0)
2794 else if (strcmp (name, "*<") == 0)
2798 else if (strcmp (name, "*<=") == 0)
2802 else if (strcmp (name, "*<<") == 0)
2806 else if (strcmp (name, "*<<=") == 0)
2810 else if (strcasecmp (name, "*sv") == 0)
2814 else if (strcasecmp (name, "*od") == 0)
2818 else if (strcasecmp (name, "*tr") == 0)
2822 else if (strcmp (name, "*<>") == 0)
2826 else if (strcmp (name, "*>=") == 0)
2830 else if (strcmp (name, "*>") == 0)
2834 else if (strcmp (name, "*>>=") == 0)
2838 else if (strcmp (name, "*>>") == 0)
2842 else if (strcasecmp (name, "*nsv") == 0)
2846 else if (strcasecmp (name, "*ev") == 0)
2860 /* Parse a 64 bit compare immediate and branch completer returning the number
2861 (for encoding in instructions) of the given completer. */
2864 pa_parse_cmpib_64_cmpltr (char **s)
2867 char *name = *s + 1;
2874 while (**s != ',' && **s != ' ' && **s != '\t')
2879 if (strcmp (name, "*<<") == 0)
2883 else if (strcmp (name, "*=") == 0)
2887 else if (strcmp (name, "*<") == 0)
2891 else if (strcmp (name, "*<=") == 0)
2895 else if (strcmp (name, "*>>=") == 0)
2899 else if (strcmp (name, "*<>") == 0)
2903 else if (strcasecmp (name, "*>=") == 0)
2907 else if (strcasecmp (name, "*>") == 0)
2921 /* Parse a non-negated addition completer returning the number
2922 (for encoding in instructions) of the given completer. */
2925 pa_parse_nonneg_add_cmpltr (char **s)
2928 char *name = *s + 1;
2937 while (**s != ',' && **s != ' ' && **s != '\t')
2941 if (strcmp (name, "=") == 0)
2945 else if (strcmp (name, "<") == 0)
2949 else if (strcmp (name, "<=") == 0)
2953 else if (strcasecmp (name, "nuv") == 0)
2957 else if (strcasecmp (name, "znv") == 0)
2961 else if (strcasecmp (name, "sv") == 0)
2965 else if (strcasecmp (name, "od") == 0)
2969 /* If we have something like addb,n then there is no condition
2971 else if (strcasecmp (name, "n") == 0)
2983 /* Reset pointers if this was really a ,n for a branch instruction. */
2990 /* Parse a negated addition completer returning the number
2991 (for encoding in instructions) of the given completer. */
2994 pa_parse_neg_add_cmpltr (char **s)
2997 char *name = *s + 1;
3006 while (**s != ',' && **s != ' ' && **s != '\t')
3010 if (strcasecmp (name, "tr") == 0)
3014 else if (strcmp (name, "<>") == 0)
3018 else if (strcmp (name, ">=") == 0)
3022 else if (strcmp (name, ">") == 0)
3026 else if (strcasecmp (name, "uv") == 0)
3030 else if (strcasecmp (name, "vnz") == 0)
3034 else if (strcasecmp (name, "nsv") == 0)
3038 else if (strcasecmp (name, "ev") == 0)
3042 /* If we have something like addb,n then there is no condition
3044 else if (strcasecmp (name, "n") == 0)
3056 /* Reset pointers if this was really a ,n for a branch instruction. */
3063 /* Parse a 64 bit wide mode add and branch completer returning the number (for
3064 encoding in instructions) of the given completer. */
3067 pa_parse_addb_64_cmpltr (char **s)
3070 char *name = *s + 1;
3079 while (**s != ',' && **s != ' ' && **s != '\t')
3083 if (strcmp (name, "=") == 0)
3087 else if (strcmp (name, "<") == 0)
3091 else if (strcmp (name, "<=") == 0)
3095 else if (strcasecmp (name, "nuv") == 0)
3099 else if (strcasecmp (name, "*=") == 0)
3103 else if (strcasecmp (name, "*<") == 0)
3107 else if (strcasecmp (name, "*<=") == 0)
3111 else if (strcmp (name, "tr") == 0)
3115 else if (strcmp (name, "<>") == 0)
3119 else if (strcmp (name, ">=") == 0)
3123 else if (strcmp (name, ">") == 0)
3127 else if (strcasecmp (name, "uv") == 0)
3131 else if (strcasecmp (name, "*<>") == 0)
3135 else if (strcasecmp (name, "*>=") == 0)
3139 else if (strcasecmp (name, "*>") == 0)
3143 /* If we have something like addb,n then there is no condition
3145 else if (strcasecmp (name, "n") == 0)
3157 /* Reset pointers if this was really a ,n for a branch instruction. */
3164 /* Do the real work for assembling a single instruction. Store results
3165 into the global "the_insn" variable. */
3170 char *error_message = "";
3171 char *s, c, *argstart, *name, *save_s;
3175 int cmpltr, nullif, flag, cond, need_cond, num;
3176 int immediate_check = 0, pos = -1, len = -1;
3177 unsigned long opcode;
3178 struct pa_opcode *insn;
3181 /* We must have a valid space and subspace. */
3182 pa_check_current_space_and_subspace ();
3185 /* Convert everything up to the first whitespace character into lower
3187 for (s = str; *s != ' ' && *s != '\t' && *s != '\n' && *s != '\0'; s++)
3190 /* Skip to something interesting. */
3192 ISUPPER (*s) || ISLOWER (*s) || (*s >= '0' && *s <= '3');
3212 as_bad (_("Unknown opcode: `%s'"), str);
3216 /* Look up the opcode in the hash table. */
3217 if ((insn = (struct pa_opcode *) hash_find (op_hash, str)) == NULL)
3219 as_bad (_("Unknown opcode: `%s'"), str);
3226 /* Mark the location where arguments for the instruction start, then
3227 start processing them. */
3231 /* Do some initialization. */
3232 opcode = insn->match;
3233 strict = (insn->flags & FLAG_STRICT);
3234 memset (&the_insn, 0, sizeof (the_insn));
3237 the_insn.reloc = R_HPPA_NONE;
3239 if (insn->arch >= pa20
3240 && bfd_get_mach (stdoutput) < insn->arch)
3243 /* Build the opcode, checking as we go to make
3244 sure that the operands match. */
3245 for (args = insn->args;; ++args)
3247 /* Absorb white space in instruction. */
3248 while (*s == ' ' || *s == '\t')
3253 /* End of arguments. */
3269 /* These must match exactly. */
3278 /* Handle a 5 bit register or control register field at 10. */
3281 if (!pa_parse_number (&s, 0))
3284 CHECK_FIELD (num, 31, 0, 0);
3285 INSERT_FIELD_AND_CONTINUE (opcode, num, 21);
3287 /* Handle %sar or %cr11. No bits get set, we just verify that it
3290 /* Skip whitespace before register. */
3291 while (*s == ' ' || *s == '\t')
3294 if (!strncasecmp (s, "%sar", 4))
3299 else if (!strncasecmp (s, "%cr11", 5))
3306 /* Handle a 5 bit register field at 15. */
3308 if (!pa_parse_number (&s, 0))
3311 CHECK_FIELD (num, 31, 0, 0);
3312 INSERT_FIELD_AND_CONTINUE (opcode, num, 16);
3314 /* Handle a 5 bit register field at 31. */
3316 if (!pa_parse_number (&s, 0))
3319 CHECK_FIELD (num, 31, 0, 0);
3320 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
3322 /* Handle a 5 bit register field at 10 and 15. */
3324 if (!pa_parse_number (&s, 0))
3327 CHECK_FIELD (num, 31, 0, 0);
3328 opcode |= num << 16;
3329 INSERT_FIELD_AND_CONTINUE (opcode, num, 21);
3331 /* Handle a 5 bit field length at 31. */
3333 num = pa_get_absolute_expression (&the_insn, &s);
3334 if (strict && the_insn.exp.X_op != O_constant)
3337 CHECK_FIELD (num, 32, 1, 0);
3338 SAVE_IMMEDIATE(num);
3339 INSERT_FIELD_AND_CONTINUE (opcode, 32 - num, 0);
3341 /* Handle a 5 bit immediate at 15. */
3343 num = pa_get_absolute_expression (&the_insn, &s);
3344 if (strict && the_insn.exp.X_op != O_constant)
3347 /* When in strict mode, we want to just reject this
3348 match instead of giving an out of range error. */
3349 CHECK_FIELD (num, 15, -16, strict);
3350 num = low_sign_unext (num, 5);
3351 INSERT_FIELD_AND_CONTINUE (opcode, num, 16);
3353 /* Handle a 5 bit immediate at 31. */
3355 num = pa_get_absolute_expression (&the_insn, &s);
3356 if (strict && the_insn.exp.X_op != O_constant)
3359 /* When in strict mode, we want to just reject this
3360 match instead of giving an out of range error. */
3361 CHECK_FIELD (num, 15, -16, strict);
3362 num = low_sign_unext (num, 5);
3363 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
3365 /* Handle an unsigned 5 bit immediate at 31. */
3367 num = pa_get_absolute_expression (&the_insn, &s);
3368 if (strict && the_insn.exp.X_op != O_constant)
3371 CHECK_FIELD (num, 31, 0, strict);
3372 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
3374 /* Handle an unsigned 5 bit immediate at 15. */
3376 num = pa_get_absolute_expression (&the_insn, &s);
3377 if (strict && the_insn.exp.X_op != O_constant)
3380 CHECK_FIELD (num, 31, 0, strict);
3381 INSERT_FIELD_AND_CONTINUE (opcode, num, 16);
3383 /* Handle an unsigned 10 bit immediate at 15. */
3385 num = pa_get_absolute_expression (&the_insn, &s);
3386 if (strict && the_insn.exp.X_op != O_constant)
3389 CHECK_FIELD (num, 1023, 0, strict);
3390 INSERT_FIELD_AND_CONTINUE (opcode, num, 16);
3392 /* Handle a 2 bit space identifier at 17. */
3394 if (!pa_parse_number (&s, 0))
3397 CHECK_FIELD (num, 3, 0, 1);
3398 INSERT_FIELD_AND_CONTINUE (opcode, num, 14);
3400 /* Handle a 3 bit space identifier at 18. */
3402 if (!pa_parse_number (&s, 0))
3405 CHECK_FIELD (num, 7, 0, 1);
3406 opcode |= re_assemble_3 (num);
3409 /* Handle all completers. */
3414 /* Handle a completer for an indexing load or store. */
3421 while (*s == ',' && i < 2)
3424 if (strncasecmp (s, "sm", 2) == 0)
3431 else if (strncasecmp (s, "m", 1) == 0)
3433 else if ((strncasecmp (s, "s ", 2) == 0)
3434 || (strncasecmp (s, "s,", 2) == 0))
3438 /* This is a match failure. */
3443 as_bad (_("Invalid Indexed Load Completer."));
3448 as_bad (_("Invalid Indexed Load Completer Syntax."));
3450 INSERT_FIELD_AND_CONTINUE (opcode, uu, 13);
3453 /* Handle a short load/store completer. */
3465 if (strncasecmp (s, "ma", 2) == 0)
3471 else if (strncasecmp (s, "mb", 2) == 0)
3478 /* This is a match failure. */
3482 as_bad (_("Invalid Short Load/Store Completer."));
3486 /* If we did not get a ma/mb completer, then we do not
3487 consider this a positive match for 'ce'. */
3488 else if (*args == 'e')
3491 /* 'J', 'm', 'M' and 'q' are the same, except for where they
3492 encode the before/after field. */
3493 if (*args == 'm' || *args == 'M')
3496 INSERT_FIELD_AND_CONTINUE (opcode, a, 13);
3498 else if (*args == 'q')
3501 INSERT_FIELD_AND_CONTINUE (opcode, a, 2);
3503 else if (*args == 'J')
3505 /* M bit is explicit in the major opcode. */
3506 INSERT_FIELD_AND_CONTINUE (opcode, a, 2);
3508 else if (*args == 'e')
3510 /* Stash the ma/mb flag temporarily in the
3511 instruction. We will use (and remove it)
3512 later when handling 'J', 'K', '<' & '>'. */
3518 /* Handle a stbys completer. */
3525 while (*s == ',' && i < 2)
3528 if (strncasecmp (s, "m", 1) == 0)
3530 else if ((strncasecmp (s, "b ", 2) == 0)
3531 || (strncasecmp (s, "b,", 2) == 0))
3533 else if (strncasecmp (s, "e", 1) == 0)
3535 /* In strict mode, this is a match failure. */
3542 as_bad (_("Invalid Store Bytes Short Completer"));
3547 as_bad (_("Invalid Store Bytes Short Completer"));
3549 INSERT_FIELD_AND_CONTINUE (opcode, a, 13);
3552 /* Handle load cache hint completer. */
3555 if (!strncmp (s, ",sl", 3))
3560 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 10);
3562 /* Handle store cache hint completer. */
3565 if (!strncmp (s, ",sl", 3))
3570 else if (!strncmp (s, ",bc", 3))
3575 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 10);
3577 /* Handle load and clear cache hint completer. */
3580 if (!strncmp (s, ",co", 3))
3585 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 10);
3587 /* Handle load ordering completer. */
3589 if (strncmp (s, ",o", 2) != 0)
3594 /* Handle a branch gate completer. */
3596 if (strncasecmp (s, ",gate", 5) != 0)
3601 /* Handle a branch link and push completer. */
3603 if (strncasecmp (s, ",l,push", 7) != 0)
3608 /* Handle a branch link completer. */
3610 if (strncasecmp (s, ",l", 2) != 0)
3615 /* Handle a branch pop completer. */
3617 if (strncasecmp (s, ",pop", 4) != 0)
3622 /* Handle a local processor completer. */
3624 if (strncasecmp (s, ",l", 2) != 0)
3629 /* Handle a PROBE read/write completer. */
3632 if (!strncasecmp (s, ",w", 2))
3637 else if (!strncasecmp (s, ",r", 2))
3643 INSERT_FIELD_AND_CONTINUE (opcode, flag, 6);
3645 /* Handle MFCTL wide completer. */
3647 if (strncasecmp (s, ",w", 2) != 0)
3652 /* Handle an RFI restore completer. */
3655 if (!strncasecmp (s, ",r", 2))
3661 INSERT_FIELD_AND_CONTINUE (opcode, flag, 5);
3663 /* Handle a system control completer. */
3665 if (*s == ',' && (*(s + 1) == 'm' || *(s + 1) == 'M'))
3673 INSERT_FIELD_AND_CONTINUE (opcode, flag, 5);
3675 /* Handle intermediate/final completer for DCOR. */
3678 if (!strncasecmp (s, ",i", 2))
3684 INSERT_FIELD_AND_CONTINUE (opcode, flag, 6);
3686 /* Handle zero/sign extension completer. */
3689 if (!strncasecmp (s, ",z", 2))
3695 INSERT_FIELD_AND_CONTINUE (opcode, flag, 10);
3697 /* Handle add completer. */
3700 if (!strncasecmp (s, ",l", 2))
3705 else if (!strncasecmp (s, ",tsv", 4))
3711 INSERT_FIELD_AND_CONTINUE (opcode, flag, 10);
3713 /* Handle 64 bit carry for ADD. */
3716 if (!strncasecmp (s, ",dc,tsv", 7) ||
3717 !strncasecmp (s, ",tsv,dc", 7))
3722 else if (!strncasecmp (s, ",dc", 3))
3730 /* Condition is not required with "dc". */
3732 INSERT_FIELD_AND_CONTINUE (opcode, flag, 11);
3734 /* Handle 32 bit carry for ADD. */
3737 if (!strncasecmp (s, ",c,tsv", 6) ||
3738 !strncasecmp (s, ",tsv,c", 6))
3743 else if (!strncasecmp (s, ",c", 2))
3751 INSERT_FIELD_AND_CONTINUE (opcode, flag, 11);
3753 /* Handle trap on signed overflow. */
3756 if (!strncasecmp (s, ",tsv", 4))
3762 INSERT_FIELD_AND_CONTINUE (opcode, flag, 11);
3764 /* Handle trap on condition and overflow. */
3767 if (!strncasecmp (s, ",tc,tsv", 7) ||
3768 !strncasecmp (s, ",tsv,tc", 7))
3773 else if (!strncasecmp (s, ",tc", 3))
3781 INSERT_FIELD_AND_CONTINUE (opcode, flag, 11);
3783 /* Handle 64 bit borrow for SUB. */
3786 if (!strncasecmp (s, ",db,tsv", 7) ||
3787 !strncasecmp (s, ",tsv,db", 7))
3792 else if (!strncasecmp (s, ",db", 3))
3800 /* Condition is not required with "db". */
3802 INSERT_FIELD_AND_CONTINUE (opcode, flag, 11);
3804 /* Handle 32 bit borrow for SUB. */
3807 if (!strncasecmp (s, ",b,tsv", 6) ||
3808 !strncasecmp (s, ",tsv,b", 6))
3813 else if (!strncasecmp (s, ",b", 2))
3821 INSERT_FIELD_AND_CONTINUE (opcode, flag, 11);
3823 /* Handle trap condition completer for UADDCM. */
3826 if (!strncasecmp (s, ",tc", 3))
3832 INSERT_FIELD_AND_CONTINUE (opcode, flag, 6);
3834 /* Handle signed/unsigned at 21. */
3838 if (strncasecmp (s, ",s", 2) == 0)
3843 else if (strncasecmp (s, ",u", 2) == 0)
3849 INSERT_FIELD_AND_CONTINUE (opcode, sign, 10);
3852 /* Handle left/right combination at 17:18. */
3862 as_bad (_("Invalid left/right combination completer"));
3865 INSERT_FIELD_AND_CONTINUE (opcode, lr, 13);
3868 as_bad (_("Invalid left/right combination completer"));
3871 /* Handle saturation at 24:25. */
3875 if (strncasecmp (s, ",ss", 3) == 0)
3880 else if (strncasecmp (s, ",us", 3) == 0)
3886 INSERT_FIELD_AND_CONTINUE (opcode, sat, 6);
3889 /* Handle permutation completer. */
3917 as_bad (_("Invalid permutation completer"));
3919 opcode |= perm << permloc[i];
3924 as_bad (_("Invalid permutation completer"));
3932 /* Handle all conditions. */
3938 /* Handle FP compare conditions. */
3940 cond = pa_parse_fp_cmp_cond (&s);
3941 INSERT_FIELD_AND_CONTINUE (opcode, cond, 0);
3943 /* Handle an add condition. */
3952 /* 64 bit conditions. */
3964 while (*s != ',' && *s != ' ' && *s != '\t')
3968 if (strcmp (name, "=") == 0)
3970 else if (strcmp (name, "<") == 0)
3972 else if (strcmp (name, "<=") == 0)
3974 else if (strcasecmp (name, "nuv") == 0)
3976 else if (strcasecmp (name, "znv") == 0)
3978 else if (strcasecmp (name, "sv") == 0)
3980 else if (strcasecmp (name, "od") == 0)
3982 else if (strcasecmp (name, "tr") == 0)
3987 else if (strcmp (name, "<>") == 0)
3992 else if (strcmp (name, ">=") == 0)
3997 else if (strcmp (name, ">") == 0)
4002 else if (strcasecmp (name, "uv") == 0)
4007 else if (strcasecmp (name, "vnz") == 0)
4012 else if (strcasecmp (name, "nsv") == 0)
4017 else if (strcasecmp (name, "ev") == 0)
4022 /* ",*" is a valid condition. */
4023 else if (*args == 'a' || *name)
4024 as_bad (_("Invalid Add Condition: %s"), name);
4027 /* Except with "dc", we have a match failure with
4028 'A' if we don't have a doubleword condition. */
4029 else if (*args == 'A' && need_cond)
4032 opcode |= cmpltr << 13;
4033 INSERT_FIELD_AND_CONTINUE (opcode, flag, 12);
4035 /* Handle non-negated add and branch condition. */
4037 cmpltr = pa_parse_nonneg_add_cmpltr (&s);
4040 as_bad (_("Invalid Add and Branch Condition"));
4043 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13);
4045 /* Handle 64 bit wide-mode add and branch condition. */
4047 cmpltr = pa_parse_addb_64_cmpltr (&s);
4050 as_bad (_("Invalid Add and Branch Condition"));
4055 /* Negated condition requires an opcode change. */
4056 opcode |= (cmpltr & 8) << 24;
4058 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr & 7, 13);
4060 /* Handle a negated or non-negated add and branch
4064 cmpltr = pa_parse_nonneg_add_cmpltr (&s);
4068 cmpltr = pa_parse_neg_add_cmpltr (&s);
4071 as_bad (_("Invalid Compare/Subtract Condition"));
4076 /* Negated condition requires an opcode change. */
4080 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13);
4082 /* Handle branch on bit conditions. */
4100 if (strncmp (s, "<", 1) == 0)
4105 else if (strncmp (s, ">=", 2) == 0)
4111 as_bad (_("Invalid Branch On Bit Condition: %c"), *s);
4114 as_bad (_("Missing Branch On Bit Condition"));
4116 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 15);
4118 /* Handle a compare/subtract condition. */
4127 /* 64 bit conditions. */
4139 while (*s != ',' && *s != ' ' && *s != '\t')
4143 if (strcmp (name, "=") == 0)
4145 else if (strcmp (name, "<") == 0)
4147 else if (strcmp (name, "<=") == 0)
4149 else if (strcasecmp (name, "<<") == 0)
4151 else if (strcasecmp (name, "<<=") == 0)
4153 else if (strcasecmp (name, "sv") == 0)
4155 else if (strcasecmp (name, "od") == 0)
4157 else if (strcasecmp (name, "tr") == 0)
4162 else if (strcmp (name, "<>") == 0)
4167 else if (strcmp (name, ">=") == 0)
4172 else if (strcmp (name, ">") == 0)
4177 else if (strcasecmp (name, ">>=") == 0)
4182 else if (strcasecmp (name, ">>") == 0)
4187 else if (strcasecmp (name, "nsv") == 0)
4192 else if (strcasecmp (name, "ev") == 0)
4197 /* ",*" is a valid condition. */
4198 else if (*args != 'S' || *name)
4199 as_bad (_("Invalid Compare/Subtract Condition: %s"),
4203 /* Except with "db", we have a match failure with
4204 'S' if we don't have a doubleword condition. */
4205 else if (*args == 'S' && need_cond)
4208 opcode |= cmpltr << 13;
4209 INSERT_FIELD_AND_CONTINUE (opcode, flag, 12);
4211 /* Handle a non-negated compare condition. */
4213 cmpltr = pa_parse_nonneg_cmpsub_cmpltr (&s);
4216 as_bad (_("Invalid Compare/Subtract Condition"));
4219 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13);
4221 /* Handle a 32 bit compare and branch condition. */
4224 cmpltr = pa_parse_nonneg_cmpsub_cmpltr (&s);
4228 cmpltr = pa_parse_neg_cmpsub_cmpltr (&s);
4231 as_bad (_("Invalid Compare and Branch Condition"));
4236 /* Negated condition requires an opcode change. */
4241 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13);
4243 /* Handle a 64 bit compare and branch condition. */
4245 cmpltr = pa_parse_cmpb_64_cmpltr (&s);
4248 /* Negated condition requires an opcode change. */
4249 opcode |= (cmpltr & 8) << 26;
4252 /* Not a 64 bit cond. Give 32 bit a chance. */
4255 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr & 7, 13);
4257 /* Handle a 64 bit cmpib condition. */
4259 cmpltr = pa_parse_cmpib_64_cmpltr (&s);
4261 /* Not a 64 bit cond. Give 32 bit a chance. */
4264 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13);
4266 /* Handle a logical instruction condition. */
4275 /* 64 bit conditions. */
4287 while (*s != ',' && *s != ' ' && *s != '\t')
4292 if (strcmp (name, "=") == 0)
4294 else if (strcmp (name, "<") == 0)
4296 else if (strcmp (name, "<=") == 0)
4298 else if (strcasecmp (name, "od") == 0)
4300 else if (strcasecmp (name, "tr") == 0)
4305 else if (strcmp (name, "<>") == 0)
4310 else if (strcmp (name, ">=") == 0)
4315 else if (strcmp (name, ">") == 0)
4320 else if (strcasecmp (name, "ev") == 0)
4325 /* ",*" is a valid condition. */
4326 else if (*args != 'L' || *name)
4327 as_bad (_("Invalid Logical Instruction Condition."));
4330 /* 32-bit is default for no condition. */
4331 else if (*args == 'L')
4334 opcode |= cmpltr << 13;
4335 INSERT_FIELD_AND_CONTINUE (opcode, flag, 12);
4337 /* Handle a shift/extract/deposit condition. */
4342 /* Check immediate values in shift/extract/deposit
4343 * instructions if they will give undefined behaviour. */
4344 immediate_check = 1;
4349 /* 64 bit conditions. */
4361 while (*s != ',' && *s != ' ' && *s != '\t')
4365 if (strcmp (name, "=") == 0)
4367 else if (strcmp (name, "<") == 0)
4369 else if (strcasecmp (name, "od") == 0)
4371 else if (strcasecmp (name, "tr") == 0)
4373 else if (strcmp (name, "<>") == 0)
4375 else if (strcmp (name, ">=") == 0)
4377 else if (strcasecmp (name, "ev") == 0)
4379 /* Handle movb,n. Put things back the way they were.
4380 This includes moving s back to where it started. */
4381 else if (strcasecmp (name, "n") == 0 && *args == 'y')
4387 /* ",*" is a valid condition. */
4388 else if (*args != 'X' || *name)
4389 as_bad (_("Invalid Shift/Extract/Deposit Condition."));
4393 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13);
4395 /* Handle a unit instruction condition. */
4405 /* 64 bit conditions. */
4416 /* The uxor instruction only supports unit conditions
4417 not involving carries. */
4418 uxor = (opcode & 0xfc000fc0) == 0x08000380;
4419 if (strncasecmp (s, "sbz", 3) == 0)
4424 else if (strncasecmp (s, "shz", 3) == 0)
4429 else if (!uxor && strncasecmp (s, "sdc", 3) == 0)
4434 else if (!uxor && strncasecmp (s, "sbc", 3) == 0)
4439 else if (!uxor && strncasecmp (s, "shc", 3) == 0)
4444 else if (strncasecmp (s, "tr", 2) == 0)
4450 else if (strncasecmp (s, "nbz", 3) == 0)
4456 else if (strncasecmp (s, "nhz", 3) == 0)
4462 else if (!uxor && strncasecmp (s, "ndc", 3) == 0)
4468 else if (!uxor && strncasecmp (s, "nbc", 3) == 0)
4474 else if (!uxor && strncasecmp (s, "nhc", 3) == 0)
4480 else if (strncasecmp (s, "swz", 3) == 0)
4486 else if (!uxor && strncasecmp (s, "swc", 3) == 0)
4492 else if (strncasecmp (s, "nwz", 3) == 0)
4498 else if (!uxor && strncasecmp (s, "nwc", 3) == 0)
4504 /* ",*" is a valid condition. */
4505 else if (*args != 'U' || (*s != ' ' && *s != '\t'))
4506 as_bad (_("Invalid Unit Instruction Condition."));
4508 /* 32-bit is default for no condition. */
4509 else if (*args == 'U')
4512 opcode |= cmpltr << 13;
4513 INSERT_FIELD_AND_CONTINUE (opcode, flag, 12);
4521 /* Handle a nullification completer for branch instructions. */
4523 nullif = pa_parse_nullif (&s);
4524 INSERT_FIELD_AND_CONTINUE (opcode, nullif, 1);
4526 /* Handle a nullification completer for copr and spop insns. */
4528 nullif = pa_parse_nullif (&s);
4529 INSERT_FIELD_AND_CONTINUE (opcode, nullif, 5);
4531 /* Handle ,%r2 completer for new syntax branches. */
4533 if (*s == ',' && strncasecmp (s + 1, "%r2", 3) == 0)
4535 else if (*s == ',' && strncasecmp (s + 1, "%rp", 3) == 0)
4541 /* Handle 3 bit entry into the fp compare array. Valid values
4542 are 0..6 inclusive. */
4546 if (the_insn.exp.X_op == O_constant)
4548 num = evaluate_absolute (&the_insn);
4549 CHECK_FIELD (num, 6, 0, 0);
4551 INSERT_FIELD_AND_CONTINUE (opcode, num, 13);
4556 /* Handle 3 bit entry into the fp compare array. Valid values
4557 are 0..6 inclusive. */
4560 if (the_insn.exp.X_op == O_constant)
4563 num = evaluate_absolute (&the_insn);
4564 CHECK_FIELD (num, 6, 0, 0);
4565 num = (num + 1) ^ 1;
4566 INSERT_FIELD_AND_CONTINUE (opcode, num, 13);
4571 /* Handle graphics test completers for ftest */
4574 num = pa_parse_ftest_gfx_completer (&s);
4575 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
4578 /* Handle a 11 bit immediate at 31. */
4580 the_insn.field_selector = pa_chk_field_selector (&s);
4583 if (the_insn.exp.X_op == O_constant)
4585 num = evaluate_absolute (&the_insn);
4586 CHECK_FIELD (num, 1023, -1024, 0);
4587 num = low_sign_unext (num, 11);
4588 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
4592 if (is_DP_relative (the_insn.exp))
4593 the_insn.reloc = R_HPPA_GOTOFF;
4594 else if (is_PC_relative (the_insn.exp))
4595 the_insn.reloc = R_HPPA_PCREL_CALL;
4597 else if (is_tls_gdidx (the_insn.exp))
4598 the_insn.reloc = R_PARISC_TLS_GD21L;
4599 else if (is_tls_ldidx (the_insn.exp))
4600 the_insn.reloc = R_PARISC_TLS_LDM21L;
4601 else if (is_tls_dtpoff (the_insn.exp))
4602 the_insn.reloc = R_PARISC_TLS_LDO21L;
4603 else if (is_tls_ieoff (the_insn.exp))
4604 the_insn.reloc = R_PARISC_TLS_IE21L;
4605 else if (is_tls_leoff (the_insn.exp))
4606 the_insn.reloc = R_PARISC_TLS_LE21L;
4609 the_insn.reloc = R_HPPA;
4610 the_insn.format = 11;
4614 /* Handle a 14 bit immediate at 31. */
4616 the_insn.field_selector = pa_chk_field_selector (&s);
4619 if (the_insn.exp.X_op == O_constant)
4623 /* XXX the completer stored away tidbits of information
4624 for us to extract. We need a cleaner way to do this.
4625 Now that we have lots of letters again, it would be
4626 good to rethink this. */
4629 num = evaluate_absolute (&the_insn);
4630 if (mb != (num < 0))
4632 CHECK_FIELD (num, 8191, -8192, 0);
4633 num = low_sign_unext (num, 14);
4634 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
4638 /* Handle a 14 bit immediate at 31. */
4640 the_insn.field_selector = pa_chk_field_selector (&s);
4643 if (the_insn.exp.X_op == O_constant)
4649 num = evaluate_absolute (&the_insn);
4650 if (mb == (num < 0))
4654 CHECK_FIELD (num, 8191, -8192, 0);
4655 num = low_sign_unext (num, 14);
4656 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
4660 /* Handle a 16 bit immediate at 31. */
4662 the_insn.field_selector = pa_chk_field_selector (&s);
4665 if (the_insn.exp.X_op == O_constant)
4671 num = evaluate_absolute (&the_insn);
4672 if (mb != (num < 0))
4674 CHECK_FIELD (num, 32767, -32768, 0);
4675 num = re_assemble_16 (num);
4676 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
4680 /* Handle a 16 bit immediate at 31. */
4682 the_insn.field_selector = pa_chk_field_selector (&s);
4685 if (the_insn.exp.X_op == O_constant)
4691 num = evaluate_absolute (&the_insn);
4692 if (mb == (num < 0))
4696 CHECK_FIELD (num, 32767, -32768, 0);
4697 num = re_assemble_16 (num);
4698 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
4702 /* Handle 14 bit immediate, shifted left three times. */
4704 if (bfd_get_mach (stdoutput) != pa20)
4706 the_insn.field_selector = pa_chk_field_selector (&s);
4709 if (the_insn.exp.X_op == O_constant)
4711 num = evaluate_absolute (&the_insn);
4714 CHECK_FIELD (num, 8191, -8192, 0);
4719 INSERT_FIELD_AND_CONTINUE (opcode, num, 4);
4723 if (is_DP_relative (the_insn.exp))
4724 the_insn.reloc = R_HPPA_GOTOFF;
4725 else if (is_PC_relative (the_insn.exp))
4726 the_insn.reloc = R_HPPA_PCREL_CALL;
4728 else if (is_tls_gdidx (the_insn.exp))
4729 the_insn.reloc = R_PARISC_TLS_GD21L;
4730 else if (is_tls_ldidx (the_insn.exp))
4731 the_insn.reloc = R_PARISC_TLS_LDM21L;
4732 else if (is_tls_dtpoff (the_insn.exp))
4733 the_insn.reloc = R_PARISC_TLS_LDO21L;
4734 else if (is_tls_ieoff (the_insn.exp))
4735 the_insn.reloc = R_PARISC_TLS_IE21L;
4736 else if (is_tls_leoff (the_insn.exp))
4737 the_insn.reloc = R_PARISC_TLS_LE21L;
4740 the_insn.reloc = R_HPPA;
4741 the_insn.format = 14;
4746 /* Handle 14 bit immediate, shifted left twice. */
4748 the_insn.field_selector = pa_chk_field_selector (&s);
4751 if (the_insn.exp.X_op == O_constant)
4753 num = evaluate_absolute (&the_insn);
4756 CHECK_FIELD (num, 8191, -8192, 0);
4761 INSERT_FIELD_AND_CONTINUE (opcode, num, 3);
4765 if (is_DP_relative (the_insn.exp))
4766 the_insn.reloc = R_HPPA_GOTOFF;
4767 else if (is_PC_relative (the_insn.exp))
4768 the_insn.reloc = R_HPPA_PCREL_CALL;
4770 else if (is_tls_gdidx (the_insn.exp))
4771 the_insn.reloc = R_PARISC_TLS_GD21L;
4772 else if (is_tls_ldidx (the_insn.exp))
4773 the_insn.reloc = R_PARISC_TLS_LDM21L;
4774 else if (is_tls_dtpoff (the_insn.exp))
4775 the_insn.reloc = R_PARISC_TLS_LDO21L;
4776 else if (is_tls_ieoff (the_insn.exp))
4777 the_insn.reloc = R_PARISC_TLS_IE21L;
4778 else if (is_tls_leoff (the_insn.exp))
4779 the_insn.reloc = R_PARISC_TLS_LE21L;
4782 the_insn.reloc = R_HPPA;
4783 the_insn.format = 14;
4787 /* Handle a 14 bit immediate at 31. */
4789 the_insn.field_selector = pa_chk_field_selector (&s);
4792 if (the_insn.exp.X_op == O_constant)
4794 num = evaluate_absolute (&the_insn);
4795 CHECK_FIELD (num, 8191, -8192, 0);
4796 num = low_sign_unext (num, 14);
4797 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
4801 if (is_DP_relative (the_insn.exp))
4802 the_insn.reloc = R_HPPA_GOTOFF;
4803 else if (is_PC_relative (the_insn.exp))
4804 the_insn.reloc = R_HPPA_PCREL_CALL;
4806 else if (is_tls_gdidx (the_insn.exp))
4807 the_insn.reloc = R_PARISC_TLS_GD21L;
4808 else if (is_tls_ldidx (the_insn.exp))
4809 the_insn.reloc = R_PARISC_TLS_LDM21L;
4810 else if (is_tls_dtpoff (the_insn.exp))
4811 the_insn.reloc = R_PARISC_TLS_LDO21L;
4812 else if (is_tls_ieoff (the_insn.exp))
4813 the_insn.reloc = R_PARISC_TLS_IE21L;
4814 else if (is_tls_leoff (the_insn.exp))
4815 the_insn.reloc = R_PARISC_TLS_LE21L;
4818 the_insn.reloc = R_HPPA;
4819 the_insn.format = 14;
4823 /* Handle a 21 bit immediate at 31. */
4825 the_insn.field_selector = pa_chk_field_selector (&s);
4828 if (the_insn.exp.X_op == O_constant)
4830 num = evaluate_absolute (&the_insn);
4831 CHECK_FIELD (num >> 11, 1048575, -1048576, 0);
4832 opcode |= re_assemble_21 (num);
4837 if (is_DP_relative (the_insn.exp))
4838 the_insn.reloc = R_HPPA_GOTOFF;
4839 else if (is_PC_relative (the_insn.exp))
4840 the_insn.reloc = R_HPPA_PCREL_CALL;
4842 else if (is_tls_gdidx (the_insn.exp))
4843 the_insn.reloc = R_PARISC_TLS_GD21L;
4844 else if (is_tls_ldidx (the_insn.exp))
4845 the_insn.reloc = R_PARISC_TLS_LDM21L;
4846 else if (is_tls_dtpoff (the_insn.exp))
4847 the_insn.reloc = R_PARISC_TLS_LDO21L;
4848 else if (is_tls_ieoff (the_insn.exp))
4849 the_insn.reloc = R_PARISC_TLS_IE21L;
4850 else if (is_tls_leoff (the_insn.exp))
4851 the_insn.reloc = R_PARISC_TLS_LE21L;
4854 the_insn.reloc = R_HPPA;
4855 the_insn.format = 21;
4859 /* Handle a 16 bit immediate at 31 (PA 2.0 wide mode only). */
4861 the_insn.field_selector = pa_chk_field_selector (&s);
4864 if (the_insn.exp.X_op == O_constant)
4866 num = evaluate_absolute (&the_insn);
4867 CHECK_FIELD (num, 32767, -32768, 0);
4868 opcode |= re_assemble_16 (num);
4873 /* ??? Is this valid for wide mode? */
4874 if (is_DP_relative (the_insn.exp))
4875 the_insn.reloc = R_HPPA_GOTOFF;
4876 else if (is_PC_relative (the_insn.exp))
4877 the_insn.reloc = R_HPPA_PCREL_CALL;
4879 else if (is_tls_gdidx (the_insn.exp))
4880 the_insn.reloc = R_PARISC_TLS_GD21L;
4881 else if (is_tls_ldidx (the_insn.exp))
4882 the_insn.reloc = R_PARISC_TLS_LDM21L;
4883 else if (is_tls_dtpoff (the_insn.exp))
4884 the_insn.reloc = R_PARISC_TLS_LDO21L;
4885 else if (is_tls_ieoff (the_insn.exp))
4886 the_insn.reloc = R_PARISC_TLS_IE21L;
4887 else if (is_tls_leoff (the_insn.exp))
4888 the_insn.reloc = R_PARISC_TLS_LE21L;
4891 the_insn.reloc = R_HPPA;
4892 the_insn.format = 14;
4896 /* Handle a word-aligned 16-bit imm. at 31 (PA2.0 wide). */
4898 the_insn.field_selector = pa_chk_field_selector (&s);
4901 if (the_insn.exp.X_op == O_constant)
4903 num = evaluate_absolute (&the_insn);
4904 CHECK_FIELD (num, 32767, -32768, 0);
4905 CHECK_ALIGN (num, 4, 0);
4906 opcode |= re_assemble_16 (num);
4911 /* ??? Is this valid for wide mode? */
4912 if (is_DP_relative (the_insn.exp))
4913 the_insn.reloc = R_HPPA_GOTOFF;
4914 else if (is_PC_relative (the_insn.exp))
4915 the_insn.reloc = R_HPPA_PCREL_CALL;
4917 else if (is_tls_gdidx (the_insn.exp))
4918 the_insn.reloc = R_PARISC_TLS_GD21L;
4919 else if (is_tls_ldidx (the_insn.exp))
4920 the_insn.reloc = R_PARISC_TLS_LDM21L;
4921 else if (is_tls_dtpoff (the_insn.exp))
4922 the_insn.reloc = R_PARISC_TLS_LDO21L;
4923 else if (is_tls_ieoff (the_insn.exp))
4924 the_insn.reloc = R_PARISC_TLS_IE21L;
4925 else if (is_tls_leoff (the_insn.exp))
4926 the_insn.reloc = R_PARISC_TLS_LE21L;
4929 the_insn.reloc = R_HPPA;
4930 the_insn.format = 14;
4934 /* Handle a dword-aligned 16-bit imm. at 31 (PA2.0 wide). */
4936 the_insn.field_selector = pa_chk_field_selector (&s);
4939 if (the_insn.exp.X_op == O_constant)
4941 num = evaluate_absolute (&the_insn);
4942 CHECK_FIELD (num, 32767, -32768, 0);
4943 CHECK_ALIGN (num, 8, 0);
4944 opcode |= re_assemble_16 (num);
4949 /* ??? Is this valid for wide mode? */
4950 if (is_DP_relative (the_insn.exp))
4951 the_insn.reloc = R_HPPA_GOTOFF;
4952 else if (is_PC_relative (the_insn.exp))
4953 the_insn.reloc = R_HPPA_PCREL_CALL;
4955 else if (is_tls_gdidx (the_insn.exp))
4956 the_insn.reloc = R_PARISC_TLS_GD21L;
4957 else if (is_tls_ldidx (the_insn.exp))
4958 the_insn.reloc = R_PARISC_TLS_LDM21L;
4959 else if (is_tls_dtpoff (the_insn.exp))
4960 the_insn.reloc = R_PARISC_TLS_LDO21L;
4961 else if (is_tls_ieoff (the_insn.exp))
4962 the_insn.reloc = R_PARISC_TLS_IE21L;
4963 else if (is_tls_leoff (the_insn.exp))
4964 the_insn.reloc = R_PARISC_TLS_LE21L;
4967 the_insn.reloc = R_HPPA;
4968 the_insn.format = 14;
4972 /* Handle a 12 bit branch displacement. */
4974 the_insn.field_selector = pa_chk_field_selector (&s);
4978 if (!the_insn.exp.X_add_symbol
4979 || !strcmp (S_GET_NAME (the_insn.exp.X_add_symbol),
4982 num = evaluate_absolute (&the_insn);
4985 as_bad (_("Branch to unaligned address"));
4988 if (the_insn.exp.X_add_symbol)
4990 CHECK_FIELD (num, 8191, -8192, 0);
4991 opcode |= re_assemble_12 (num >> 2);
4996 the_insn.reloc = R_HPPA_PCREL_CALL;
4997 the_insn.format = 12;
4998 the_insn.arg_reloc = last_call_desc.arg_reloc;
4999 memset (&last_call_desc, 0, sizeof (struct call_desc));
5004 /* Handle a 17 bit branch displacement. */
5006 the_insn.field_selector = pa_chk_field_selector (&s);
5010 if (!the_insn.exp.X_add_symbol
5011 || !strcmp (S_GET_NAME (the_insn.exp.X_add_symbol),
5014 num = evaluate_absolute (&the_insn);
5017 as_bad (_("Branch to unaligned address"));
5020 if (the_insn.exp.X_add_symbol)
5022 CHECK_FIELD (num, 262143, -262144, 0);
5023 opcode |= re_assemble_17 (num >> 2);
5028 the_insn.reloc = R_HPPA_PCREL_CALL;
5029 the_insn.format = 17;
5030 the_insn.arg_reloc = last_call_desc.arg_reloc;
5031 memset (&last_call_desc, 0, sizeof (struct call_desc));
5035 /* Handle a 22 bit branch displacement. */
5037 the_insn.field_selector = pa_chk_field_selector (&s);
5041 if (!the_insn.exp.X_add_symbol
5042 || !strcmp (S_GET_NAME (the_insn.exp.X_add_symbol),
5045 num = evaluate_absolute (&the_insn);
5048 as_bad (_("Branch to unaligned address"));
5051 if (the_insn.exp.X_add_symbol)
5053 CHECK_FIELD (num, 8388607, -8388608, 0);
5054 opcode |= re_assemble_22 (num >> 2);
5058 the_insn.reloc = R_HPPA_PCREL_CALL;
5059 the_insn.format = 22;
5060 the_insn.arg_reloc = last_call_desc.arg_reloc;
5061 memset (&last_call_desc, 0, sizeof (struct call_desc));
5065 /* Handle an absolute 17 bit branch target. */
5067 the_insn.field_selector = pa_chk_field_selector (&s);
5071 if (!the_insn.exp.X_add_symbol
5072 || !strcmp (S_GET_NAME (the_insn.exp.X_add_symbol),
5075 num = evaluate_absolute (&the_insn);
5078 as_bad (_("Branch to unaligned address"));
5081 if (the_insn.exp.X_add_symbol)
5083 CHECK_FIELD (num, 262143, -262144, 0);
5084 opcode |= re_assemble_17 (num >> 2);
5089 the_insn.reloc = R_HPPA_ABS_CALL;
5090 the_insn.format = 17;
5091 the_insn.arg_reloc = last_call_desc.arg_reloc;
5092 memset (&last_call_desc, 0, sizeof (struct call_desc));
5096 /* Handle '%r1' implicit operand of addil instruction. */
5098 if (*s == ',' && *(s + 1) == '%' && *(s + 3) == '1'
5099 && (*(s + 2) == 'r' || *(s + 2) == 'R'))
5107 /* Handle '%sr0,%r31' implicit operand of be,l instruction. */
5109 if (strncasecmp (s, "%sr0,%r31", 9) != 0)
5114 /* Handle immediate value of 0 for ordered load/store instructions. */
5121 /* Handle a 2 bit shift count at 25. */
5123 num = pa_get_absolute_expression (&the_insn, &s);
5124 if (strict && the_insn.exp.X_op != O_constant)
5127 CHECK_FIELD (num, 3, 1, strict);
5128 INSERT_FIELD_AND_CONTINUE (opcode, num, 6);
5130 /* Handle a 4 bit shift count at 25. */
5132 num = pa_get_absolute_expression (&the_insn, &s);
5133 if (strict && the_insn.exp.X_op != O_constant)
5136 CHECK_FIELD (num, 15, 0, strict);
5137 INSERT_FIELD_AND_CONTINUE (opcode, num, 6);
5139 /* Handle a 5 bit shift count at 26. */
5141 num = pa_get_absolute_expression (&the_insn, &s);
5142 if (strict && the_insn.exp.X_op != O_constant)
5145 CHECK_FIELD (num, 31, 0, strict);
5146 SAVE_IMMEDIATE(num);
5147 INSERT_FIELD_AND_CONTINUE (opcode, 31 - num, 5);
5149 /* Handle a 6 bit shift count at 20,22:26. */
5151 num = pa_get_absolute_expression (&the_insn, &s);
5152 if (strict && the_insn.exp.X_op != O_constant)
5155 CHECK_FIELD (num, 63, 0, strict);
5156 SAVE_IMMEDIATE(num);
5158 opcode |= (num & 0x20) << 6;
5159 INSERT_FIELD_AND_CONTINUE (opcode, num & 0x1f, 5);
5161 /* Handle a 6 bit field length at 23,27:31. */
5164 num = pa_get_absolute_expression (&the_insn, &s);
5165 if (strict && the_insn.exp.X_op != O_constant)
5168 CHECK_FIELD (num, 64, 1, strict);
5169 SAVE_IMMEDIATE(num);
5171 opcode |= (num & 0x20) << 3;
5172 num = 31 - (num & 0x1f);
5173 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
5175 /* Handle a 6 bit field length at 19,27:31. */
5177 num = pa_get_absolute_expression (&the_insn, &s);
5178 if (strict && the_insn.exp.X_op != O_constant)
5181 CHECK_FIELD (num, 64, 1, strict);
5182 SAVE_IMMEDIATE(num);
5184 opcode |= (num & 0x20) << 7;
5185 num = 31 - (num & 0x1f);
5186 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
5188 /* Handle a 5 bit bit position at 26. */
5190 num = pa_get_absolute_expression (&the_insn, &s);
5191 if (strict && the_insn.exp.X_op != O_constant)
5194 CHECK_FIELD (num, 31, 0, strict);
5195 SAVE_IMMEDIATE(num);
5196 INSERT_FIELD_AND_CONTINUE (opcode, num, 5);
5198 /* Handle a 6 bit bit position at 20,22:26. */
5200 num = pa_get_absolute_expression (&the_insn, &s);
5201 if (strict && the_insn.exp.X_op != O_constant)
5204 CHECK_FIELD (num, 63, 0, strict);
5205 SAVE_IMMEDIATE(num);
5206 opcode |= (num & 0x20) << 6;
5207 INSERT_FIELD_AND_CONTINUE (opcode, num & 0x1f, 5);
5209 /* Handle a 5 bit immediate at 10 with 'd' as the complement
5210 of the high bit of the immediate. */
5212 num = pa_get_absolute_expression (&the_insn, &s);
5213 if (strict && the_insn.exp.X_op != O_constant)
5216 CHECK_FIELD (num, 63, 0, strict);
5220 opcode |= (1 << 13);
5221 INSERT_FIELD_AND_CONTINUE (opcode, num & 0x1f, 21);
5223 /* Handle a 5 bit immediate at 10. */
5225 num = pa_get_absolute_expression (&the_insn, &s);
5226 if (strict && the_insn.exp.X_op != O_constant)
5229 CHECK_FIELD (num, 31, 0, strict);
5230 INSERT_FIELD_AND_CONTINUE (opcode, num, 21);
5232 /* Handle a 9 bit immediate at 28. */
5234 num = pa_get_absolute_expression (&the_insn, &s);
5235 if (strict && the_insn.exp.X_op != O_constant)
5238 CHECK_FIELD (num, 511, 1, strict);
5239 INSERT_FIELD_AND_CONTINUE (opcode, num, 3);
5241 /* Handle a 13 bit immediate at 18. */
5243 num = pa_get_absolute_expression (&the_insn, &s);
5244 if (strict && the_insn.exp.X_op != O_constant)
5247 CHECK_FIELD (num, 8191, 0, strict);
5248 INSERT_FIELD_AND_CONTINUE (opcode, num, 13);
5250 /* Handle a 26 bit immediate at 31. */
5252 num = pa_get_absolute_expression (&the_insn, &s);
5253 if (strict && the_insn.exp.X_op != O_constant)
5256 CHECK_FIELD (num, 67108863, 0, strict);
5257 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
5259 /* Handle a 3 bit SFU identifier at 25. */
5262 as_bad (_("Invalid SFU identifier"));
5263 num = pa_get_number (&the_insn, &s);
5264 if (strict && the_insn.exp.X_op != O_constant)
5267 CHECK_FIELD (num, 7, 0, strict);
5268 INSERT_FIELD_AND_CONTINUE (opcode, num, 6);
5270 /* Handle a 20 bit SOP field for spop0. */
5272 num = pa_get_number (&the_insn, &s);
5273 if (strict && the_insn.exp.X_op != O_constant)
5276 CHECK_FIELD (num, 1048575, 0, strict);
5277 num = (num & 0x1f) | ((num & 0x000fffe0) << 6);
5278 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
5280 /* Handle a 15bit SOP field for spop1. */
5282 num = pa_get_number (&the_insn, &s);
5283 if (strict && the_insn.exp.X_op != O_constant)
5286 CHECK_FIELD (num, 32767, 0, strict);
5287 INSERT_FIELD_AND_CONTINUE (opcode, num, 11);
5289 /* Handle a 10bit SOP field for spop3. */
5291 num = pa_get_number (&the_insn, &s);
5292 if (strict && the_insn.exp.X_op != O_constant)
5295 CHECK_FIELD (num, 1023, 0, strict);
5296 num = (num & 0x1f) | ((num & 0x000003e0) << 6);
5297 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
5299 /* Handle a 15 bit SOP field for spop2. */
5301 num = pa_get_number (&the_insn, &s);
5302 if (strict && the_insn.exp.X_op != O_constant)
5305 CHECK_FIELD (num, 32767, 0, strict);
5306 num = (num & 0x1f) | ((num & 0x00007fe0) << 6);
5307 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
5309 /* Handle a 3-bit co-processor ID field. */
5312 as_bad (_("Invalid COPR identifier"));
5313 num = pa_get_number (&the_insn, &s);
5314 if (strict && the_insn.exp.X_op != O_constant)
5317 CHECK_FIELD (num, 7, 0, strict);
5318 INSERT_FIELD_AND_CONTINUE (opcode, num, 6);
5320 /* Handle a 22bit SOP field for copr. */
5322 num = pa_get_number (&the_insn, &s);
5323 if (strict && the_insn.exp.X_op != O_constant)
5326 CHECK_FIELD (num, 4194303, 0, strict);
5327 num = (num & 0x1f) | ((num & 0x003fffe0) << 4);
5328 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
5330 /* Handle a source FP operand format completer. */
5332 if (*s == ',' && *(s+1) == 't')
5339 flag = pa_parse_fp_cnv_format (&s);
5340 the_insn.fpof1 = flag;
5341 if (flag == W || flag == UW)
5343 if (flag == DW || flag == UDW)
5345 if (flag == QW || flag == UQW)
5347 INSERT_FIELD_AND_CONTINUE (opcode, flag, 11);
5349 /* Handle a destination FP operand format completer. */
5351 /* pa_parse_format needs the ',' prefix. */
5353 flag = pa_parse_fp_cnv_format (&s);
5354 the_insn.fpof2 = flag;
5355 if (flag == W || flag == UW)
5357 if (flag == DW || flag == UDW)
5359 if (flag == QW || flag == UQW)
5361 opcode |= flag << 13;
5362 if (the_insn.fpof1 == SGL
5363 || the_insn.fpof1 == DBL
5364 || the_insn.fpof1 == QUAD)
5366 if (the_insn.fpof2 == SGL
5367 || the_insn.fpof2 == DBL
5368 || the_insn.fpof2 == QUAD)
5370 else if (the_insn.fpof2 == W
5371 || the_insn.fpof2 == DW
5372 || the_insn.fpof2 == QW)
5374 else if (the_insn.fpof2 == UW
5375 || the_insn.fpof2 == UDW
5376 || the_insn.fpof2 == UQW)
5381 else if (the_insn.fpof1 == W
5382 || the_insn.fpof1 == DW
5383 || the_insn.fpof1 == QW)
5385 if (the_insn.fpof2 == SGL
5386 || the_insn.fpof2 == DBL
5387 || the_insn.fpof2 == QUAD)
5392 else if (the_insn.fpof1 == UW
5393 || the_insn.fpof1 == UDW
5394 || the_insn.fpof1 == UQW)
5396 if (the_insn.fpof2 == SGL
5397 || the_insn.fpof2 == DBL
5398 || the_insn.fpof2 == QUAD)
5403 flag |= the_insn.trunc;
5404 INSERT_FIELD_AND_CONTINUE (opcode, flag, 15);
5406 /* Handle a source FP operand format completer. */
5408 flag = pa_parse_fp_format (&s);
5409 the_insn.fpof1 = flag;
5410 INSERT_FIELD_AND_CONTINUE (opcode, flag, 11);
5412 /* Handle a destination FP operand format completer. */
5414 /* pa_parse_format needs the ',' prefix. */
5416 flag = pa_parse_fp_format (&s);
5417 the_insn.fpof2 = flag;
5418 INSERT_FIELD_AND_CONTINUE (opcode, flag, 13);
5420 /* Handle a source FP operand format completer at 20. */
5422 flag = pa_parse_fp_format (&s);
5423 the_insn.fpof1 = flag;
5424 INSERT_FIELD_AND_CONTINUE (opcode, flag, 11);
5426 /* Handle a floating point operand format at 26.
5427 Only allows single and double precision. */
5429 flag = pa_parse_fp_format (&s);
5435 the_insn.fpof1 = flag;
5441 as_bad (_("Invalid Floating Point Operand Format."));
5445 /* Handle all floating point registers. */
5449 /* Float target register. */
5451 if (!pa_parse_number (&s, 3))
5453 /* RSEL should not be set. */
5454 if (pa_number & FP_REG_RSEL)
5456 num = pa_number - FP_REG_BASE;
5457 CHECK_FIELD (num, 31, 0, 0);
5458 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
5460 /* Float target register with L/R selection. */
5463 if (!pa_parse_number (&s, 1))
5465 num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE;
5466 CHECK_FIELD (num, 31, 0, 0);
5469 /* 0x30 opcodes are FP arithmetic operation opcodes
5470 and need to be turned into 0x38 opcodes. This
5471 is not necessary for loads/stores. */
5472 if (need_pa11_opcode ()
5473 && ((opcode & 0xfc000000) == 0x30000000))
5476 opcode |= (pa_number & FP_REG_RSEL ? 1 << 6 : 0);
5480 /* Float operand 1. */
5483 if (!pa_parse_number (&s, 1))
5485 num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE;
5486 CHECK_FIELD (num, 31, 0, 0);
5487 opcode |= num << 21;
5488 if (need_pa11_opcode ())
5490 opcode |= (pa_number & FP_REG_RSEL ? 1 << 7 : 0);
5496 /* Float operand 1 with L/R selection. */
5500 if (!pa_parse_number (&s, 1))
5502 num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE;
5503 CHECK_FIELD (num, 31, 0, 0);
5504 opcode |= num << 21;
5505 opcode |= (pa_number & FP_REG_RSEL ? 1 << 7 : 0);
5509 /* Float operand 2. */
5512 if (!pa_parse_number (&s, 1))
5514 num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE;
5515 CHECK_FIELD (num, 31, 0, 0);
5516 opcode |= num << 16;
5517 if (need_pa11_opcode ())
5519 opcode |= (pa_number & FP_REG_RSEL ? 1 << 12 : 0);
5525 /* Float operand 2 with L/R selection. */
5528 if (!pa_parse_number (&s, 1))
5530 num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE;
5531 CHECK_FIELD (num, 31, 0, 0);
5532 opcode |= num << 16;
5533 opcode |= (pa_number & FP_REG_RSEL ? 1 << 12 : 0);
5537 /* Float operand 3 for fmpyfadd, fmpynfadd. */
5540 if (!pa_parse_number (&s, 1))
5542 num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE;
5543 CHECK_FIELD (num, 31, 0, 0);
5544 opcode |= (num & 0x1c) << 11;
5545 opcode |= (num & 0x03) << 9;
5546 opcode |= (pa_number & FP_REG_RSEL ? 1 << 8 : 0);
5550 /* Float mult operand 1 for fmpyadd, fmpysub */
5553 if (!pa_parse_number (&s, 1))
5555 num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE;
5556 CHECK_FIELD (num, 31, 0, 0);
5557 if (the_insn.fpof1 == SGL)
5561 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5565 num |= (pa_number & FP_REG_RSEL ? 1 << 4 : 0);
5567 INSERT_FIELD_AND_CONTINUE (opcode, num, 21);
5570 /* Float mult operand 2 for fmpyadd, fmpysub */
5573 if (!pa_parse_number (&s, 1))
5575 num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE;
5576 CHECK_FIELD (num, 31, 0, 0);
5577 if (the_insn.fpof1 == SGL)
5581 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5585 num |= (pa_number & FP_REG_RSEL ? 1 << 4 : 0);
5587 INSERT_FIELD_AND_CONTINUE (opcode, num, 16);
5590 /* Float mult target for fmpyadd, fmpysub */
5593 if (!pa_parse_number (&s, 1))
5595 num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE;
5596 CHECK_FIELD (num, 31, 0, 0);
5597 if (the_insn.fpof1 == SGL)
5601 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5605 num |= (pa_number & FP_REG_RSEL ? 1 << 4 : 0);
5607 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
5610 /* Float add operand 1 for fmpyadd, fmpysub */
5613 if (!pa_parse_number (&s, 1))
5615 num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE;
5616 CHECK_FIELD (num, 31, 0, 0);
5617 if (the_insn.fpof1 == SGL)
5621 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5625 num |= (pa_number & FP_REG_RSEL ? 1 << 4 : 0);
5627 INSERT_FIELD_AND_CONTINUE (opcode, num, 6);
5630 /* Float add target for fmpyadd, fmpysub */
5633 if (!pa_parse_number (&s, 1))
5635 num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE;
5636 CHECK_FIELD (num, 31, 0, 0);
5637 if (the_insn.fpof1 == SGL)
5641 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5645 num |= (pa_number & FP_REG_RSEL ? 1 << 4 : 0);
5647 INSERT_FIELD_AND_CONTINUE (opcode, num, 11);
5650 /* Handle L/R register halves like 'x'. */
5654 if (!pa_parse_number (&s, 1))
5656 num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE;
5657 CHECK_FIELD (num, 31, 0, 0);
5658 opcode |= num << 16;
5659 if (need_pa11_opcode ())
5661 opcode |= (pa_number & FP_REG_RSEL ? 1 << 1 : 0);
5666 /* Float target register (PA 2.0 wide). */
5668 if (!pa_parse_number (&s, 3))
5670 num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE;
5671 CHECK_FIELD (num, 31, 0, 0);
5672 INSERT_FIELD_AND_CONTINUE (opcode, num, 16);
5685 /* If this instruction is specific to a particular architecture,
5686 then set a new architecture. This automatic promotion crud is
5687 for compatibility with HP's old assemblers only. */
5689 && bfd_get_mach (stdoutput) < insn->arch
5690 && !bfd_set_arch_mach (stdoutput, bfd_arch_hppa, insn->arch))
5692 as_warn (_("could not update architecture and machine"));
5697 /* Check if the args matched. */
5700 if (&insn[1] - pa_opcodes < (int) NUMOPCODES
5701 && !strcmp (insn->name, insn[1].name))
5709 as_bad (_("Invalid operands %s"), error_message);
5716 if (immediate_check)
5718 if (pos != -1 && len != -1 && pos < len - 1)
5719 as_warn (_("Immediates %d and %d will give undefined behavior."),
5723 the_insn.opcode = opcode;
5726 /* Assemble a single instruction storing it into a frag. */
5729 md_assemble (char *str)
5733 /* The had better be something to assemble. */
5736 /* If we are within a procedure definition, make sure we've
5737 defined a label for the procedure; handle case where the
5738 label was defined after the .PROC directive.
5740 Note there's not need to diddle with the segment or fragment
5741 for the label symbol in this case. We have already switched
5742 into the new $CODE$ subspace at this point. */
5743 if (within_procedure && last_call_info->start_symbol == NULL)
5745 label_symbol_struct *label_symbol = pa_get_label ();
5749 if (label_symbol->lss_label)
5751 last_call_info->start_symbol = label_symbol->lss_label;
5752 symbol_get_bfdsym (label_symbol->lss_label)->flags
5755 /* Also handle allocation of a fixup to hold the unwind
5756 information when the label appears after the proc/procend. */
5757 if (within_entry_exit)
5762 where = frag_more (0);
5763 u = UNWIND_LOW32 (&last_call_info->ci_unwind.descriptor);
5764 fix_new_hppa (frag_now, where - frag_now->fr_literal, 0,
5765 NULL, (offsetT) 0, NULL,
5766 0, R_HPPA_ENTRY, e_fsel, 0, 0, u);
5771 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
5774 as_bad (_("Missing function name for .PROC"));
5777 /* Assemble the instruction. Results are saved into "the_insn". */
5780 /* Get somewhere to put the assembled instruction. */
5783 /* Output the opcode. */
5784 md_number_to_chars (to, the_insn.opcode, 4);
5786 /* If necessary output more stuff. */
5787 if (the_insn.reloc != R_HPPA_NONE)
5788 fix_new_hppa (frag_now, (to - frag_now->fr_literal), 4, NULL,
5789 (offsetT) 0, &the_insn.exp, the_insn.pcrel,
5790 the_insn.reloc, the_insn.field_selector,
5791 the_insn.format, the_insn.arg_reloc, 0);
5794 dwarf2_emit_insn (4);
5799 /* Handle an alignment directive. Special so that we can update the
5800 alignment of the subspace if necessary. */
5802 pa_align (int bytes)
5804 /* We must have a valid space and subspace. */
5805 pa_check_current_space_and_subspace ();
5807 /* Let the generic gas code do most of the work. */
5808 s_align_bytes (bytes);
5810 /* If bytes is a power of 2, then update the current subspace's
5811 alignment if necessary. */
5812 if (exact_log2 (bytes) != -1)
5813 record_alignment (current_subspace->ssd_seg, exact_log2 (bytes));
5817 /* Handle a .BLOCK type pseudo-op. */
5820 pa_block (int z ATTRIBUTE_UNUSED)
5822 unsigned int temp_size;
5825 /* We must have a valid space and subspace. */
5826 pa_check_current_space_and_subspace ();
5829 temp_size = get_absolute_expression ();
5831 if (temp_size > 0x3FFFFFFF)
5833 as_bad (_("Argument to .BLOCK/.BLOCKZ must be between 0 and 0x3fffffff"));
5838 /* Always fill with zeros, that's what the HP assembler does. */
5839 char *p = frag_var (rs_fill, 1, 1, 0, NULL, temp_size, NULL);
5843 pa_undefine_label ();
5844 demand_empty_rest_of_line ();
5847 /* Handle a .begin_brtab and .end_brtab pseudo-op. */
5850 pa_brtab (int begin ATTRIBUTE_UNUSED)
5854 /* The BRTAB relocations are only available in SOM (to denote
5855 the beginning and end of branch tables). */
5856 char *where = frag_more (0);
5858 fix_new_hppa (frag_now, where - frag_now->fr_literal, 0,
5859 NULL, (offsetT) 0, NULL,
5860 0, begin ? R_HPPA_BEGIN_BRTAB : R_HPPA_END_BRTAB,
5864 demand_empty_rest_of_line ();
5867 /* Handle a .begin_try and .end_try pseudo-op. */
5870 pa_try (int begin ATTRIBUTE_UNUSED)
5874 char *where = frag_more (0);
5879 /* The TRY relocations are only available in SOM (to denote
5880 the beginning and end of exception handling regions). */
5882 fix_new_hppa (frag_now, where - frag_now->fr_literal, 0,
5883 NULL, (offsetT) 0, begin ? NULL : &exp,
5884 0, begin ? R_HPPA_BEGIN_TRY : R_HPPA_END_TRY,
5888 demand_empty_rest_of_line ();
5891 /* Do the dirty work of building a call descriptor which describes
5892 where the caller placed arguments to a function call. */
5895 pa_call_args (struct call_desc *call_desc)
5898 unsigned int temp, arg_reloc;
5900 while (!is_end_of_statement ())
5902 c = get_symbol_name (&name);
5903 /* Process a source argument. */
5904 if ((strncasecmp (name, "argw", 4) == 0))
5906 temp = atoi (name + 4);
5907 (void) restore_line_pointer (c);
5908 input_line_pointer++;
5909 c = get_symbol_name (&name);
5910 arg_reloc = pa_build_arg_reloc (name);
5911 call_desc->arg_reloc |= pa_align_arg_reloc (temp, arg_reloc);
5913 /* Process a return value. */
5914 else if ((strncasecmp (name, "rtnval", 6) == 0))
5916 (void) restore_line_pointer (c);
5917 input_line_pointer++;
5918 c = get_symbol_name (&name);
5919 arg_reloc = pa_build_arg_reloc (name);
5920 call_desc->arg_reloc |= (arg_reloc & 0x3);
5924 as_bad (_("Invalid .CALL argument: %s"), name);
5927 (void) restore_line_pointer (c);
5928 if (!is_end_of_statement ())
5929 input_line_pointer++;
5933 /* Handle a .CALL pseudo-op. This involves storing away information
5934 about where arguments are to be found so the linker can detect
5935 (and correct) argument location mismatches between caller and callee. */
5938 pa_call (int unused ATTRIBUTE_UNUSED)
5941 /* We must have a valid space and subspace. */
5942 pa_check_current_space_and_subspace ();
5945 pa_call_args (&last_call_desc);
5946 demand_empty_rest_of_line ();
5950 /* Build an entry in the UNWIND subspace from the given function
5951 attributes in CALL_INFO. This is not needed for SOM as using
5952 R_ENTRY and R_EXIT relocations allow the linker to handle building
5953 of the unwind spaces. */
5956 pa_build_unwind_subspace (struct call_info *call_info)
5958 asection *seg, *save_seg;
5959 subsegT save_subseg;
5960 unsigned int unwind;
5965 if ((bfd_get_section_flags (stdoutput, now_seg)
5966 & (SEC_ALLOC | SEC_LOAD | SEC_READONLY))
5967 != (SEC_ALLOC | SEC_LOAD | SEC_READONLY))
5970 if (call_info->start_symbol == NULL)
5971 /* This can happen if there were errors earlier on in the assembly. */
5974 /* Replace the start symbol with a local symbol that will be reduced
5975 to a section offset. This avoids problems with weak functions with
5976 multiple definitions, etc. */
5977 name = xmalloc (strlen ("L$\001start_")
5978 + strlen (S_GET_NAME (call_info->start_symbol))
5980 strcpy (name, "L$\001start_");
5981 strcat (name, S_GET_NAME (call_info->start_symbol));
5983 /* If we have a .procend preceded by a .exit, then the symbol will have
5984 already been defined. In that case, we don't want another unwind
5986 symbolP = symbol_find (name);
5994 symbolP = symbol_new (name, now_seg,
5995 S_GET_VALUE (call_info->start_symbol), frag_now);
5996 gas_assert (symbolP);
5997 S_CLEAR_EXTERNAL (symbolP);
5998 symbol_table_insert (symbolP);
6001 reloc = R_PARISC_SEGREL32;
6003 save_subseg = now_subseg;
6004 /* Get into the right seg/subseg. This may involve creating
6005 the seg the first time through. Make sure to have the
6006 old seg/subseg so that we can reset things when we are done. */
6007 seg = bfd_get_section_by_name (stdoutput, UNWIND_SECTION_NAME);
6008 if (seg == ASEC_NULL)
6010 seg = subseg_new (UNWIND_SECTION_NAME, 0);
6011 bfd_set_section_flags (stdoutput, seg,
6012 SEC_READONLY | SEC_HAS_CONTENTS
6013 | SEC_LOAD | SEC_RELOC | SEC_ALLOC | SEC_DATA);
6014 bfd_set_section_alignment (stdoutput, seg, 2);
6017 subseg_set (seg, 0);
6019 /* Get some space to hold relocation information for the unwind
6023 /* Relocation info. for start offset of the function. */
6024 md_number_to_chars (p, 0, 4);
6025 fix_new_hppa (frag_now, p - frag_now->fr_literal, 4,
6026 symbolP, (offsetT) 0,
6027 (expressionS *) NULL, 0, reloc,
6030 /* Relocation info. for end offset of the function.
6032 Because we allow reductions of 32bit relocations for ELF, this will be
6033 reduced to section_sym + offset which avoids putting the temporary
6034 symbol into the symbol table. It (should) end up giving the same
6035 value as call_info->start_symbol + function size once the linker is
6036 finished with its work. */
6037 md_number_to_chars (p + 4, 0, 4);
6038 fix_new_hppa (frag_now, p + 4 - frag_now->fr_literal, 4,
6039 call_info->end_symbol, (offsetT) 0,
6040 (expressionS *) NULL, 0, reloc,
6043 /* Dump the descriptor. */
6044 unwind = UNWIND_LOW32 (&call_info->ci_unwind.descriptor);
6045 md_number_to_chars (p + 8, unwind, 4);
6047 unwind = UNWIND_HIGH32 (&call_info->ci_unwind.descriptor);
6048 md_number_to_chars (p + 12, unwind, 4);
6050 /* Return back to the original segment/subsegment. */
6051 subseg_set (save_seg, save_subseg);
6055 /* Process a .CALLINFO pseudo-op. This information is used later
6056 to build unwind descriptors and maybe one day to support
6057 .ENTER and .LEAVE. */
6060 pa_callinfo (int unused ATTRIBUTE_UNUSED)
6066 /* We must have a valid space and subspace. */
6067 pa_check_current_space_and_subspace ();
6070 /* .CALLINFO must appear within a procedure definition. */
6071 if (!within_procedure)
6072 as_bad (_(".callinfo is not within a procedure definition"));
6074 /* Mark the fact that we found the .CALLINFO for the
6075 current procedure. */
6076 callinfo_found = TRUE;
6078 /* Iterate over the .CALLINFO arguments. */
6079 while (!is_end_of_statement ())
6081 c = get_symbol_name (&name);
6082 /* Frame size specification. */
6083 if ((strncasecmp (name, "frame", 5) == 0))
6085 (void) restore_line_pointer (c);
6086 input_line_pointer++;
6087 temp = get_absolute_expression ();
6088 if ((temp & 0x3) != 0)
6090 as_bad (_("FRAME parameter must be a multiple of 8: %d\n"), temp);
6094 /* callinfo is in bytes and unwind_desc is in 8 byte units. */
6095 last_call_info->ci_unwind.descriptor.frame_size = temp / 8;
6097 /* Entry register (GR, GR and SR) specifications. */
6098 else if ((strncasecmp (name, "entry_gr", 8) == 0))
6100 (void) restore_line_pointer (c);
6101 input_line_pointer++;
6102 temp = get_absolute_expression ();
6103 /* The HP assembler accepts 19 as the high bound for ENTRY_GR
6104 even though %r19 is caller saved. I think this is a bug in
6105 the HP assembler, and we are not going to emulate it. */
6106 if (temp < 3 || temp > 18)
6107 as_bad (_("Value for ENTRY_GR must be in the range 3..18\n"));
6108 last_call_info->ci_unwind.descriptor.entry_gr = temp - 2;
6110 else if ((strncasecmp (name, "entry_fr", 8) == 0))
6112 (void) restore_line_pointer (c);
6113 input_line_pointer++;
6114 temp = get_absolute_expression ();
6115 /* Similarly the HP assembler takes 31 as the high bound even
6116 though %fr21 is the last callee saved floating point register. */
6117 if (temp < 12 || temp > 21)
6118 as_bad (_("Value for ENTRY_FR must be in the range 12..21\n"));
6119 last_call_info->ci_unwind.descriptor.entry_fr = temp - 11;
6121 else if ((strncasecmp (name, "entry_sr", 8) == 0))
6123 (void) restore_line_pointer (c);
6124 input_line_pointer++;
6125 temp = get_absolute_expression ();
6127 as_bad (_("Value for ENTRY_SR must be 3\n"));
6129 /* Note whether or not this function performs any calls. */
6130 else if ((strncasecmp (name, "calls", 5) == 0)
6131 || (strncasecmp (name, "caller", 6) == 0))
6133 (void) restore_line_pointer (c);
6135 else if ((strncasecmp (name, "no_calls", 8) == 0))
6137 (void) restore_line_pointer (c);
6139 /* Should RP be saved into the stack. */
6140 else if ((strncasecmp (name, "save_rp", 7) == 0))
6142 (void) restore_line_pointer (c);
6143 last_call_info->ci_unwind.descriptor.save_rp = 1;
6145 /* Likewise for SP. */
6146 else if ((strncasecmp (name, "save_sp", 7) == 0))
6148 (void) restore_line_pointer (c);
6149 last_call_info->ci_unwind.descriptor.save_sp = 1;
6151 /* Is this an unwindable procedure. If so mark it so
6152 in the unwind descriptor. */
6153 else if ((strncasecmp (name, "no_unwind", 9) == 0))
6155 (void) restore_line_pointer (c);
6156 last_call_info->ci_unwind.descriptor.cannot_unwind = 1;
6158 /* Is this an interrupt routine. If so mark it in the
6159 unwind descriptor. */
6160 else if ((strncasecmp (name, "hpux_int", 7) == 0))
6162 (void) restore_line_pointer (c);
6163 last_call_info->ci_unwind.descriptor.hpux_interrupt_marker = 1;
6165 /* Is this a millicode routine. "millicode" isn't in my
6166 assembler manual, but my copy is old. The HP assembler
6167 accepts it, and there's a place in the unwind descriptor
6168 to drop the information, so we'll accept it too. */
6169 else if ((strncasecmp (name, "millicode", 9) == 0))
6171 (void) restore_line_pointer (c);
6172 last_call_info->ci_unwind.descriptor.millicode = 1;
6176 as_bad (_("Invalid .CALLINFO argument: %s"), name);
6177 (void) restore_line_pointer (c);
6180 if (!is_end_of_statement ())
6181 input_line_pointer++;
6184 demand_empty_rest_of_line ();
6187 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
6188 /* Switch to the text space. Like s_text, but delete our
6189 label when finished. */
6192 pa_text (int unused ATTRIBUTE_UNUSED)
6195 current_space = is_defined_space ("$TEXT$");
6197 = pa_subsegment_to_subspace (current_space->sd_seg, 0);
6201 pa_undefine_label ();
6204 /* Switch to the data space. As usual delete our label. */
6207 pa_data (int unused ATTRIBUTE_UNUSED)
6210 current_space = is_defined_space ("$PRIVATE$");
6212 = pa_subsegment_to_subspace (current_space->sd_seg, 0);
6215 pa_undefine_label ();
6218 /* This is different than the standard GAS s_comm(). On HP9000/800 machines,
6219 the .comm pseudo-op has the following syntax:
6221 <label> .comm <length>
6223 where <label> is optional and is a symbol whose address will be the start of
6224 a block of memory <length> bytes long. <length> must be an absolute
6225 expression. <length> bytes will be allocated in the current space
6228 Also note the label may not even be on the same line as the .comm.
6230 This difference in syntax means the colon function will be called
6231 on the symbol before we arrive in pa_comm. colon will set a number
6232 of attributes of the symbol that need to be fixed here. In particular
6233 the value, section pointer, fragment pointer, flags, etc. What
6236 This also makes error detection all but impossible. */
6239 pa_comm (int unused ATTRIBUTE_UNUSED)
6243 label_symbol_struct *label_symbol = pa_get_label ();
6246 symbol = label_symbol->lss_label;
6251 size = get_absolute_expression ();
6255 symbol_get_bfdsym (symbol)->flags |= BSF_OBJECT;
6256 S_SET_VALUE (symbol, size);
6257 S_SET_SEGMENT (symbol, bfd_com_section_ptr);
6258 S_SET_EXTERNAL (symbol);
6260 /* colon() has already set the frag to the current location in the
6261 current subspace; we need to reset the fragment to the zero address
6262 fragment. We also need to reset the segment pointer. */
6263 symbol_set_frag (symbol, &zero_address_frag);
6265 demand_empty_rest_of_line ();
6267 #endif /* !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))) */
6269 /* Process a .END pseudo-op. */
6272 pa_end (int unused ATTRIBUTE_UNUSED)
6274 demand_empty_rest_of_line ();
6277 /* Process a .ENTER pseudo-op. This is not supported. */
6280 pa_enter (int unused ATTRIBUTE_UNUSED)
6283 /* We must have a valid space and subspace. */
6284 pa_check_current_space_and_subspace ();
6287 as_bad (_("The .ENTER pseudo-op is not supported"));
6288 demand_empty_rest_of_line ();
6291 /* Process a .ENTRY pseudo-op. .ENTRY marks the beginning of the
6295 pa_entry (int unused ATTRIBUTE_UNUSED)
6298 /* We must have a valid space and subspace. */
6299 pa_check_current_space_and_subspace ();
6302 if (!within_procedure)
6303 as_bad (_("Misplaced .entry. Ignored."));
6306 if (!callinfo_found)
6307 as_bad (_("Missing .callinfo."));
6309 demand_empty_rest_of_line ();
6310 within_entry_exit = TRUE;
6313 /* SOM defers building of unwind descriptors until the link phase.
6314 The assembler is responsible for creating an R_ENTRY relocation
6315 to mark the beginning of a region and hold the unwind bits, and
6316 for creating an R_EXIT relocation to mark the end of the region.
6318 FIXME. ELF should be using the same conventions! The problem
6319 is an unwind requires too much relocation space. Hmmm. Maybe
6320 if we split the unwind bits up between the relocations which
6321 denote the entry and exit points. */
6322 if (last_call_info->start_symbol != NULL)
6327 where = frag_more (0);
6328 u = UNWIND_LOW32 (&last_call_info->ci_unwind.descriptor);
6329 fix_new_hppa (frag_now, where - frag_now->fr_literal, 0,
6330 NULL, (offsetT) 0, NULL,
6331 0, R_HPPA_ENTRY, e_fsel, 0, 0, u);
6336 /* Silly nonsense for pa_equ. The only half-sensible use for this is
6337 being able to subtract two register symbols that specify a range of
6338 registers, to get the size of the range. */
6339 static int fudge_reg_expressions;
6342 hppa_force_reg_syms_absolute (expressionS *resultP,
6343 operatorT op ATTRIBUTE_UNUSED,
6344 expressionS *rightP)
6346 if (fudge_reg_expressions
6347 && rightP->X_op == O_register
6348 && resultP->X_op == O_register)
6350 rightP->X_op = O_constant;
6351 resultP->X_op = O_constant;
6353 return 0; /* Continue normal expr handling. */
6356 /* Handle a .EQU pseudo-op. */
6361 label_symbol_struct *label_symbol = pa_get_label ();
6366 symbol = label_symbol->lss_label;
6370 if (!pa_parse_number (&input_line_pointer, 0))
6371 as_bad (_(".REG expression must be a register"));
6372 S_SET_VALUE (symbol, pa_number);
6373 S_SET_SEGMENT (symbol, reg_section);
6380 fudge_reg_expressions = 1;
6381 seg = expression (&exp);
6382 fudge_reg_expressions = 0;
6383 if (exp.X_op != O_constant
6384 && exp.X_op != O_register)
6386 if (exp.X_op != O_absent)
6387 as_bad (_("bad or irreducible absolute expression; zero assumed"));
6388 exp.X_add_number = 0;
6389 seg = absolute_section;
6391 S_SET_VALUE (symbol, (unsigned int) exp.X_add_number);
6392 S_SET_SEGMENT (symbol, seg);
6398 as_bad (_(".REG must use a label"));
6400 as_bad (_(".EQU must use a label"));
6403 pa_undefine_label ();
6404 demand_empty_rest_of_line ();
6408 /* Mark the end of a function so that it's possible to compute
6409 the size of the function in elf_hppa_final_processing. */
6412 hppa_elf_mark_end_of_function (void)
6414 /* ELF does not have EXIT relocations. All we do is create a
6415 temporary symbol marking the end of the function. */
6418 if (last_call_info == NULL || last_call_info->start_symbol == NULL)
6420 /* We have already warned about a missing label,
6421 or other problems. */
6425 name = xmalloc (strlen ("L$\001end_")
6426 + strlen (S_GET_NAME (last_call_info->start_symbol))
6432 strcpy (name, "L$\001end_");
6433 strcat (name, S_GET_NAME (last_call_info->start_symbol));
6435 /* If we have a .exit followed by a .procend, then the
6436 symbol will have already been defined. */
6437 symbolP = symbol_find (name);
6440 /* The symbol has already been defined! This can
6441 happen if we have a .exit followed by a .procend.
6443 This is *not* an error. All we want to do is free
6444 the memory we just allocated for the name and continue. */
6449 /* symbol value should be the offset of the
6450 last instruction of the function */
6451 symbolP = symbol_new (name, now_seg, (valueT) (frag_now_fix () - 4),
6454 gas_assert (symbolP);
6455 S_CLEAR_EXTERNAL (symbolP);
6456 symbol_table_insert (symbolP);
6460 last_call_info->end_symbol = symbolP;
6462 as_bad (_("Symbol '%s' could not be created."), name);
6466 as_bad (_("No memory for symbol name."));
6470 /* Helper function. Does processing for the end of a function. This
6471 usually involves creating some relocations or building special
6472 symbols to mark the end of the function. */
6479 where = frag_more (0);
6482 /* Mark the end of the function, stuff away the location of the frag
6483 for the end of the function, and finally call pa_build_unwind_subspace
6484 to add an entry in the unwind table. */
6486 hppa_elf_mark_end_of_function ();
6487 pa_build_unwind_subspace (last_call_info);
6489 /* SOM defers building of unwind descriptors until the link phase.
6490 The assembler is responsible for creating an R_ENTRY relocation
6491 to mark the beginning of a region and hold the unwind bits, and
6492 for creating an R_EXIT relocation to mark the end of the region.
6494 FIXME. ELF should be using the same conventions! The problem
6495 is an unwind requires too much relocation space. Hmmm. Maybe
6496 if we split the unwind bits up between the relocations which
6497 denote the entry and exit points. */
6498 fix_new_hppa (frag_now, where - frag_now->fr_literal, 0,
6500 NULL, 0, R_HPPA_EXIT, e_fsel, 0, 0,
6501 UNWIND_HIGH32 (&last_call_info->ci_unwind.descriptor));
6505 /* Process a .EXIT pseudo-op. */
6508 pa_exit (int unused ATTRIBUTE_UNUSED)
6511 /* We must have a valid space and subspace. */
6512 pa_check_current_space_and_subspace ();
6515 if (!within_procedure)
6516 as_bad (_(".EXIT must appear within a procedure"));
6519 if (!callinfo_found)
6520 as_bad (_("Missing .callinfo"));
6523 if (!within_entry_exit)
6524 as_bad (_("No .ENTRY for this .EXIT"));
6527 within_entry_exit = FALSE;
6532 demand_empty_rest_of_line ();
6535 /* Helper function to process arguments to a .EXPORT pseudo-op. */
6538 pa_type_args (symbolS *symbolP, int is_export)
6541 unsigned int temp, arg_reloc;
6542 pa_symbol_type type = SYMBOL_TYPE_UNKNOWN;
6543 asymbol *bfdsym = symbol_get_bfdsym (symbolP);
6545 if (strncasecmp (input_line_pointer, "absolute", 8) == 0)
6547 input_line_pointer += 8;
6548 bfdsym->flags &= ~BSF_FUNCTION;
6549 S_SET_SEGMENT (symbolP, bfd_abs_section_ptr);
6550 type = SYMBOL_TYPE_ABSOLUTE;
6552 else if (strncasecmp (input_line_pointer, "code", 4) == 0)
6554 input_line_pointer += 4;
6555 /* IMPORTing/EXPORTing CODE types for functions is meaningless for SOM,
6556 instead one should be IMPORTing/EXPORTing ENTRY types.
6558 Complain if one tries to EXPORT a CODE type since that's never
6559 done. Both GCC and HP C still try to IMPORT CODE types, so
6560 silently fix them to be ENTRY types. */
6561 if (S_IS_FUNCTION (symbolP))
6564 as_tsktsk (_("Using ENTRY rather than CODE in export directive for %s"),
6565 S_GET_NAME (symbolP));
6567 bfdsym->flags |= BSF_FUNCTION;
6568 type = SYMBOL_TYPE_ENTRY;
6572 bfdsym->flags &= ~BSF_FUNCTION;
6573 type = SYMBOL_TYPE_CODE;
6576 else if (strncasecmp (input_line_pointer, "data", 4) == 0)
6578 input_line_pointer += 4;
6579 bfdsym->flags &= ~BSF_FUNCTION;
6580 bfdsym->flags |= BSF_OBJECT;
6581 type = SYMBOL_TYPE_DATA;
6583 else if ((strncasecmp (input_line_pointer, "entry", 5) == 0))
6585 input_line_pointer += 5;
6586 bfdsym->flags |= BSF_FUNCTION;
6587 type = SYMBOL_TYPE_ENTRY;
6589 else if (strncasecmp (input_line_pointer, "millicode", 9) == 0)
6591 input_line_pointer += 9;
6592 bfdsym->flags |= BSF_FUNCTION;
6595 elf_symbol_type *elfsym = (elf_symbol_type *) bfdsym;
6596 elfsym->internal_elf_sym.st_info =
6597 ELF_ST_INFO (ELF_ST_BIND (elfsym->internal_elf_sym.st_info),
6601 type = SYMBOL_TYPE_MILLICODE;
6603 else if (strncasecmp (input_line_pointer, "plabel", 6) == 0)
6605 input_line_pointer += 6;
6606 bfdsym->flags &= ~BSF_FUNCTION;
6607 type = SYMBOL_TYPE_PLABEL;
6609 else if (strncasecmp (input_line_pointer, "pri_prog", 8) == 0)
6611 input_line_pointer += 8;
6612 bfdsym->flags |= BSF_FUNCTION;
6613 type = SYMBOL_TYPE_PRI_PROG;
6615 else if (strncasecmp (input_line_pointer, "sec_prog", 8) == 0)
6617 input_line_pointer += 8;
6618 bfdsym->flags |= BSF_FUNCTION;
6619 type = SYMBOL_TYPE_SEC_PROG;
6622 /* SOM requires much more information about symbol types
6623 than BFD understands. This is how we get this information
6624 to the SOM BFD backend. */
6625 #ifdef obj_set_symbol_type
6626 obj_set_symbol_type (bfdsym, (int) type);
6631 /* Now that the type of the exported symbol has been handled,
6632 handle any argument relocation information. */
6633 while (!is_end_of_statement ())
6635 if (*input_line_pointer == ',')
6636 input_line_pointer++;
6637 c = get_symbol_name (&name);
6638 /* Argument sources. */
6639 if ((strncasecmp (name, "argw", 4) == 0))
6641 (void) restore_line_pointer (c);
6642 input_line_pointer++;
6643 temp = atoi (name + 4);
6644 c = get_symbol_name (&name);
6645 arg_reloc = pa_align_arg_reloc (temp, pa_build_arg_reloc (name));
6646 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6647 symbol_arg_reloc_info (symbolP) |= arg_reloc;
6651 (void) restore_line_pointer (c);
6653 /* The return value. */
6654 else if ((strncasecmp (name, "rtnval", 6)) == 0)
6656 (void) restore_line_pointer (c);
6657 input_line_pointer++;
6658 c = get_symbol_name (&name);
6659 arg_reloc = pa_build_arg_reloc (name);
6660 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6661 symbol_arg_reloc_info (symbolP) |= arg_reloc;
6665 (void) restore_line_pointer (c);
6667 /* Privilege level. */
6668 else if ((strncasecmp (name, "priv_lev", 8)) == 0)
6672 (void) restore_line_pointer (c);
6673 input_line_pointer++;
6674 temp = atoi (input_line_pointer);
6676 ((obj_symbol_type *) bfdsym)->tc_data.ap.hppa_priv_level = temp;
6678 c = get_symbol_name (&priv);
6679 (void) restore_line_pointer (c);
6683 as_bad (_("Undefined .EXPORT/.IMPORT argument (ignored): %s"), name);
6684 (void) restore_line_pointer (c);
6687 if (!is_end_of_statement ())
6688 input_line_pointer++;
6692 /* Process a .EXPORT directive. This makes functions external
6693 and provides information such as argument relocation entries
6697 pa_export (int unused ATTRIBUTE_UNUSED)
6702 c = get_symbol_name (&name);
6703 /* Make sure the given symbol exists. */
6704 if ((symbol = symbol_find_or_make (name)) == NULL)
6706 as_bad (_("Cannot define export symbol: %s\n"), name);
6707 restore_line_pointer (c);
6708 input_line_pointer++;
6712 /* OK. Set the external bits and process argument relocations.
6713 For the HP, weak and global are not mutually exclusive.
6714 S_SET_EXTERNAL will not set BSF_GLOBAL if WEAK is set.
6715 Call S_SET_EXTERNAL to get the other processing. Manually
6716 set BSF_GLOBAL when we get back. */
6717 S_SET_EXTERNAL (symbol);
6718 symbol_get_bfdsym (symbol)->flags |= BSF_GLOBAL;
6719 (void) restore_line_pointer (c);
6720 if (!is_end_of_statement ())
6722 input_line_pointer++;
6723 pa_type_args (symbol, 1);
6727 demand_empty_rest_of_line ();
6730 /* Handle an .IMPORT pseudo-op. Any symbol referenced in a given
6731 assembly file must either be defined in the assembly file, or
6732 explicitly IMPORTED from another. */
6735 pa_import (int unused ATTRIBUTE_UNUSED)
6740 c = get_symbol_name (&name);
6742 symbol = symbol_find (name);
6743 /* Ugh. We might be importing a symbol defined earlier in the file,
6744 in which case all the code below will really screw things up
6745 (set the wrong segment, symbol flags & type, etc). */
6746 if (symbol == NULL || !S_IS_DEFINED (symbol))
6748 symbol = symbol_find_or_make (name);
6749 (void) restore_line_pointer (c);
6751 if (!is_end_of_statement ())
6753 input_line_pointer++;
6754 pa_type_args (symbol, 0);
6758 /* Sigh. To be compatible with the HP assembler and to help
6759 poorly written assembly code, we assign a type based on
6760 the current segment. Note only BSF_FUNCTION really
6761 matters, we do not need to set the full SYMBOL_TYPE_* info. */
6762 if (now_seg == text_section)
6763 symbol_get_bfdsym (symbol)->flags |= BSF_FUNCTION;
6765 /* If the section is undefined, then the symbol is undefined
6766 Since this is an import, leave the section undefined. */
6767 S_SET_SEGMENT (symbol, bfd_und_section_ptr);
6772 /* The symbol was already defined. Just eat everything up to
6773 the end of the current statement. */
6774 while (!is_end_of_statement ())
6775 input_line_pointer++;
6778 demand_empty_rest_of_line ();
6781 /* Handle a .LABEL pseudo-op. */
6784 pa_label (int unused ATTRIBUTE_UNUSED)
6788 c = get_symbol_name (&name);
6790 if (strlen (name) > 0)
6793 (void) restore_line_pointer (c);
6797 as_warn (_("Missing label name on .LABEL"));
6800 if (!is_end_of_statement ())
6802 as_warn (_("extra .LABEL arguments ignored."));
6803 ignore_rest_of_line ();
6805 demand_empty_rest_of_line ();
6808 /* Handle a .LEAVE pseudo-op. This is not supported yet. */
6811 pa_leave (int unused ATTRIBUTE_UNUSED)
6814 /* We must have a valid space and subspace. */
6815 pa_check_current_space_and_subspace ();
6818 as_bad (_("The .LEAVE pseudo-op is not supported"));
6819 demand_empty_rest_of_line ();
6822 /* Handle a .LEVEL pseudo-op. */
6825 pa_level (int unused ATTRIBUTE_UNUSED)
6829 level = input_line_pointer;
6830 if (strncmp (level, "1.0", 3) == 0)
6832 input_line_pointer += 3;
6833 if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, 10))
6834 as_warn (_("could not set architecture and machine"));
6836 else if (strncmp (level, "1.1", 3) == 0)
6838 input_line_pointer += 3;
6839 if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, 11))
6840 as_warn (_("could not set architecture and machine"));
6842 else if (strncmp (level, "2.0w", 4) == 0)
6844 input_line_pointer += 4;
6845 if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, 25))
6846 as_warn (_("could not set architecture and machine"));
6848 else if (strncmp (level, "2.0", 3) == 0)
6850 input_line_pointer += 3;
6851 if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, 20))
6852 as_warn (_("could not set architecture and machine"));
6856 as_bad (_("Unrecognized .LEVEL argument\n"));
6857 ignore_rest_of_line ();
6859 demand_empty_rest_of_line ();
6862 /* Handle a .ORIGIN pseudo-op. */
6865 pa_origin (int unused ATTRIBUTE_UNUSED)
6868 /* We must have a valid space and subspace. */
6869 pa_check_current_space_and_subspace ();
6873 pa_undefine_label ();
6876 /* Handle a .PARAM pseudo-op. This is much like a .EXPORT, except it
6877 is for static functions. FIXME. Should share more code with .EXPORT. */
6880 pa_param (int unused ATTRIBUTE_UNUSED)
6885 c = get_symbol_name (&name);
6887 if ((symbol = symbol_find_or_make (name)) == NULL)
6889 as_bad (_("Cannot define static symbol: %s\n"), name);
6890 (void) restore_line_pointer (c);
6891 input_line_pointer++;
6895 S_CLEAR_EXTERNAL (symbol);
6896 (void) restore_line_pointer (c);
6897 if (!is_end_of_statement ())
6899 input_line_pointer++;
6900 pa_type_args (symbol, 0);
6904 demand_empty_rest_of_line ();
6907 /* Handle a .PROC pseudo-op. It is used to mark the beginning
6908 of a procedure from a syntactical point of view. */
6911 pa_proc (int unused ATTRIBUTE_UNUSED)
6913 struct call_info *call_info;
6916 /* We must have a valid space and subspace. */
6917 pa_check_current_space_and_subspace ();
6920 if (within_procedure)
6921 as_fatal (_("Nested procedures"));
6923 /* Reset global variables for new procedure. */
6924 callinfo_found = FALSE;
6925 within_procedure = TRUE;
6927 /* Create another call_info structure. */
6928 call_info = xmalloc (sizeof (struct call_info));
6931 as_fatal (_("Cannot allocate unwind descriptor\n"));
6933 memset (call_info, 0, sizeof (struct call_info));
6935 call_info->ci_next = NULL;
6937 if (call_info_root == NULL)
6939 call_info_root = call_info;
6940 last_call_info = call_info;
6944 last_call_info->ci_next = call_info;
6945 last_call_info = call_info;
6948 /* set up defaults on call_info structure */
6950 call_info->ci_unwind.descriptor.cannot_unwind = 0;
6951 call_info->ci_unwind.descriptor.region_desc = 1;
6952 call_info->ci_unwind.descriptor.hpux_interrupt_marker = 0;
6954 /* If we got a .PROC pseudo-op, we know that the function is defined
6955 locally. Make sure it gets into the symbol table. */
6957 label_symbol_struct *label_symbol = pa_get_label ();
6961 if (label_symbol->lss_label)
6963 last_call_info->start_symbol = label_symbol->lss_label;
6964 symbol_get_bfdsym (label_symbol->lss_label)->flags |= BSF_FUNCTION;
6967 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
6970 last_call_info->start_symbol = NULL;
6973 demand_empty_rest_of_line ();
6976 /* Process the syntactical end of a procedure. Make sure all the
6977 appropriate pseudo-ops were found within the procedure. */
6980 pa_procend (int unused ATTRIBUTE_UNUSED)
6983 /* We must have a valid space and subspace. */
6984 pa_check_current_space_and_subspace ();
6987 /* If we are within a procedure definition, make sure we've
6988 defined a label for the procedure; handle case where the
6989 label was defined after the .PROC directive.
6991 Note there's not need to diddle with the segment or fragment
6992 for the label symbol in this case. We have already switched
6993 into the new $CODE$ subspace at this point. */
6994 if (within_procedure && last_call_info->start_symbol == NULL)
6996 label_symbol_struct *label_symbol = pa_get_label ();
7000 if (label_symbol->lss_label)
7002 last_call_info->start_symbol = label_symbol->lss_label;
7003 symbol_get_bfdsym (label_symbol->lss_label)->flags
7006 /* Also handle allocation of a fixup to hold the unwind
7007 information when the label appears after the proc/procend. */
7008 if (within_entry_exit)
7013 where = frag_more (0);
7014 u = UNWIND_LOW32 (&last_call_info->ci_unwind.descriptor);
7015 fix_new_hppa (frag_now, where - frag_now->fr_literal, 0,
7016 NULL, (offsetT) 0, NULL,
7017 0, R_HPPA_ENTRY, e_fsel, 0, 0, u);
7022 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7025 as_bad (_("Missing function name for .PROC"));
7028 if (!within_procedure)
7029 as_bad (_("misplaced .procend"));
7031 if (!callinfo_found)
7032 as_bad (_("Missing .callinfo for this procedure"));
7034 if (within_entry_exit)
7035 as_bad (_("Missing .EXIT for a .ENTRY"));
7038 /* ELF needs to mark the end of each function so that it can compute
7039 the size of the function (apparently its needed in the symbol table). */
7040 hppa_elf_mark_end_of_function ();
7043 within_procedure = FALSE;
7044 demand_empty_rest_of_line ();
7045 pa_undefine_label ();
7049 /* If VALUE is an exact power of two between zero and 2^31, then
7050 return log2 (VALUE). Else return -1. */
7053 exact_log2 (int value)
7057 while ((1 << shift) != value && shift < 32)
7066 /* Check to make sure we have a valid space and subspace. */
7069 pa_check_current_space_and_subspace (void)
7071 if (current_space == NULL)
7072 as_fatal (_("Not in a space.\n"));
7074 if (current_subspace == NULL)
7075 as_fatal (_("Not in a subspace.\n"));
7078 /* Parse the parameters to a .SPACE directive; if CREATE_FLAG is nonzero,
7079 then create a new space entry to hold the information specified
7080 by the parameters to the .SPACE directive. */
7082 static sd_chain_struct *
7083 pa_parse_space_stmt (char *space_name, int create_flag)
7085 char *name, *ptemp, c;
7086 char loadable, defined, private, sort;
7088 asection *seg = NULL;
7089 sd_chain_struct *space;
7091 /* Load default values. */
7097 if (strcmp (space_name, "$TEXT$") == 0)
7099 seg = pa_def_spaces[0].segment;
7100 defined = pa_def_spaces[0].defined;
7101 private = pa_def_spaces[0].private;
7102 sort = pa_def_spaces[0].sort;
7103 spnum = pa_def_spaces[0].spnum;
7105 else if (strcmp (space_name, "$PRIVATE$") == 0)
7107 seg = pa_def_spaces[1].segment;
7108 defined = pa_def_spaces[1].defined;
7109 private = pa_def_spaces[1].private;
7110 sort = pa_def_spaces[1].sort;
7111 spnum = pa_def_spaces[1].spnum;
7114 if (!is_end_of_statement ())
7116 print_errors = FALSE;
7117 ptemp = input_line_pointer + 1;
7118 /* First see if the space was specified as a number rather than
7119 as a name. According to the PA assembly manual the rest of
7120 the line should be ignored. */
7122 pa_parse_number (&ptemp, 0);
7126 input_line_pointer = ptemp;
7130 while (!is_end_of_statement ())
7132 input_line_pointer++;
7133 c = get_symbol_name (&name);
7134 if ((strncasecmp (name, "spnum", 5) == 0))
7136 (void) restore_line_pointer (c);
7137 input_line_pointer++;
7138 spnum = get_absolute_expression ();
7140 else if ((strncasecmp (name, "sort", 4) == 0))
7142 (void) restore_line_pointer (c);
7143 input_line_pointer++;
7144 sort = get_absolute_expression ();
7146 else if ((strncasecmp (name, "unloadable", 10) == 0))
7148 (void) restore_line_pointer (c);
7151 else if ((strncasecmp (name, "notdefined", 10) == 0))
7153 (void) restore_line_pointer (c);
7156 else if ((strncasecmp (name, "private", 7) == 0))
7158 (void) restore_line_pointer (c);
7163 as_bad (_("Invalid .SPACE argument"));
7164 (void) restore_line_pointer (c);
7165 if (!is_end_of_statement ())
7166 input_line_pointer++;
7170 print_errors = TRUE;
7173 if (create_flag && seg == NULL)
7174 seg = subseg_new (space_name, 0);
7176 /* If create_flag is nonzero, then create the new space with
7177 the attributes computed above. Else set the values in
7178 an already existing space -- this can only happen for
7179 the first occurrence of a built-in space. */
7181 space = create_new_space (space_name, spnum, loadable, defined,
7182 private, sort, seg, 1);
7185 space = is_defined_space (space_name);
7186 SPACE_SPNUM (space) = spnum;
7187 SPACE_DEFINED (space) = defined & 1;
7188 SPACE_USER_DEFINED (space) = 1;
7191 #ifdef obj_set_section_attributes
7192 obj_set_section_attributes (seg, defined, private, sort, spnum);
7198 /* Handle a .SPACE pseudo-op; this switches the current space to the
7199 given space, creating the new space if necessary. */
7202 pa_space (int unused ATTRIBUTE_UNUSED)
7204 char *name, c, *space_name, *save_s;
7205 sd_chain_struct *sd_chain;
7207 if (within_procedure)
7209 as_bad (_("Can\'t change spaces within a procedure definition. Ignored"));
7210 ignore_rest_of_line ();
7214 /* Check for some of the predefined spaces. FIXME: most of the code
7215 below is repeated several times, can we extract the common parts
7216 and place them into a subroutine or something similar? */
7217 /* FIXME Is this (and the next IF stmt) really right?
7218 What if INPUT_LINE_POINTER points to "$TEXT$FOO"? */
7219 if (strncmp (input_line_pointer, "$TEXT$", 6) == 0)
7221 input_line_pointer += 6;
7222 sd_chain = is_defined_space ("$TEXT$");
7223 if (sd_chain == NULL)
7224 sd_chain = pa_parse_space_stmt ("$TEXT$", 1);
7225 else if (SPACE_USER_DEFINED (sd_chain) == 0)
7226 sd_chain = pa_parse_space_stmt ("$TEXT$", 0);
7228 current_space = sd_chain;
7229 subseg_set (text_section, sd_chain->sd_last_subseg);
7231 = pa_subsegment_to_subspace (text_section,
7232 sd_chain->sd_last_subseg);
7233 demand_empty_rest_of_line ();
7236 if (strncmp (input_line_pointer, "$PRIVATE$", 9) == 0)
7238 input_line_pointer += 9;
7239 sd_chain = is_defined_space ("$PRIVATE$");
7240 if (sd_chain == NULL)
7241 sd_chain = pa_parse_space_stmt ("$PRIVATE$", 1);
7242 else if (SPACE_USER_DEFINED (sd_chain) == 0)
7243 sd_chain = pa_parse_space_stmt ("$PRIVATE$", 0);
7245 current_space = sd_chain;
7246 subseg_set (data_section, sd_chain->sd_last_subseg);
7248 = pa_subsegment_to_subspace (data_section,
7249 sd_chain->sd_last_subseg);
7250 demand_empty_rest_of_line ();
7253 if (!strncasecmp (input_line_pointer,
7254 GDB_DEBUG_SPACE_NAME,
7255 strlen (GDB_DEBUG_SPACE_NAME)))
7257 input_line_pointer += strlen (GDB_DEBUG_SPACE_NAME);
7258 sd_chain = is_defined_space (GDB_DEBUG_SPACE_NAME);
7259 if (sd_chain == NULL)
7260 sd_chain = pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME, 1);
7261 else if (SPACE_USER_DEFINED (sd_chain) == 0)
7262 sd_chain = pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME, 0);
7264 current_space = sd_chain;
7267 asection *gdb_section
7268 = bfd_make_section_old_way (stdoutput, GDB_DEBUG_SPACE_NAME);
7270 subseg_set (gdb_section, sd_chain->sd_last_subseg);
7272 = pa_subsegment_to_subspace (gdb_section,
7273 sd_chain->sd_last_subseg);
7275 demand_empty_rest_of_line ();
7279 /* It could be a space specified by number. */
7281 save_s = input_line_pointer;
7283 pa_parse_number (&input_line_pointer, 0);
7286 if ((sd_chain = pa_find_space_by_number (pa_number)))
7288 current_space = sd_chain;
7290 subseg_set (sd_chain->sd_seg, sd_chain->sd_last_subseg);
7292 = pa_subsegment_to_subspace (sd_chain->sd_seg,
7293 sd_chain->sd_last_subseg);
7294 demand_empty_rest_of_line ();
7299 /* Not a number, attempt to create a new space. */
7301 input_line_pointer = save_s;
7302 c = get_symbol_name (&name);
7303 space_name = xmalloc (strlen (name) + 1);
7304 strcpy (space_name, name);
7305 (void) restore_line_pointer (c);
7307 sd_chain = pa_parse_space_stmt (space_name, 1);
7308 current_space = sd_chain;
7310 subseg_set (sd_chain->sd_seg, sd_chain->sd_last_subseg);
7311 current_subspace = pa_subsegment_to_subspace (sd_chain->sd_seg,
7312 sd_chain->sd_last_subseg);
7313 demand_empty_rest_of_line ();
7317 /* Switch to a new space. (I think). FIXME. */
7320 pa_spnum (int unused ATTRIBUTE_UNUSED)
7325 sd_chain_struct *space;
7327 c = get_symbol_name (&name);
7328 space = is_defined_space (name);
7332 md_number_to_chars (p, SPACE_SPNUM (space), 4);
7335 as_warn (_("Undefined space: '%s' Assuming space number = 0."), name);
7337 (void) restore_line_pointer (c);
7338 demand_empty_rest_of_line ();
7341 /* Handle a .SUBSPACE pseudo-op; this switches the current subspace to the
7342 given subspace, creating the new subspace if necessary.
7344 FIXME. Should mirror pa_space more closely, in particular how
7345 they're broken up into subroutines. */
7348 pa_subspace (int create_new)
7350 char *name, *ss_name, c;
7351 char loadable, code_only, comdat, common, dup_common, zero, sort;
7352 int i, access_ctr, space_index, alignment, quadrant, applicable, flags;
7353 sd_chain_struct *space;
7354 ssd_chain_struct *ssd;
7357 if (current_space == NULL)
7358 as_fatal (_("Must be in a space before changing or declaring subspaces.\n"));
7360 if (within_procedure)
7362 as_bad (_("Can\'t change subspaces within a procedure definition. Ignored"));
7363 ignore_rest_of_line ();
7367 c = get_symbol_name (&name);
7368 ss_name = xmalloc (strlen (name) + 1);
7369 strcpy (ss_name, name);
7370 (void) restore_line_pointer (c);
7372 /* Load default values. */
7385 space = current_space;
7389 ssd = is_defined_subspace (ss_name);
7390 /* Allow user to override the builtin attributes of subspaces. But
7391 only allow the attributes to be changed once! */
7392 if (ssd && SUBSPACE_DEFINED (ssd))
7394 subseg_set (ssd->ssd_seg, ssd->ssd_subseg);
7395 current_subspace = ssd;
7396 if (!is_end_of_statement ())
7397 as_warn (_("Parameters of an existing subspace can\'t be modified"));
7398 demand_empty_rest_of_line ();
7403 /* A new subspace. Load default values if it matches one of
7404 the builtin subspaces. */
7406 while (pa_def_subspaces[i].name)
7408 if (strcasecmp (pa_def_subspaces[i].name, ss_name) == 0)
7410 loadable = pa_def_subspaces[i].loadable;
7411 comdat = pa_def_subspaces[i].comdat;
7412 common = pa_def_subspaces[i].common;
7413 dup_common = pa_def_subspaces[i].dup_common;
7414 code_only = pa_def_subspaces[i].code_only;
7415 zero = pa_def_subspaces[i].zero;
7416 space_index = pa_def_subspaces[i].space_index;
7417 alignment = pa_def_subspaces[i].alignment;
7418 quadrant = pa_def_subspaces[i].quadrant;
7419 access_ctr = pa_def_subspaces[i].access;
7420 sort = pa_def_subspaces[i].sort;
7427 /* We should be working with a new subspace now. Fill in
7428 any information as specified by the user. */
7429 if (!is_end_of_statement ())
7431 input_line_pointer++;
7432 while (!is_end_of_statement ())
7434 c = get_symbol_name (&name);
7435 if ((strncasecmp (name, "quad", 4) == 0))
7437 (void) restore_line_pointer (c);
7438 input_line_pointer++;
7439 quadrant = get_absolute_expression ();
7441 else if ((strncasecmp (name, "align", 5) == 0))
7443 (void) restore_line_pointer (c);
7444 input_line_pointer++;
7445 alignment = get_absolute_expression ();
7446 if (exact_log2 (alignment) == -1)
7448 as_bad (_("Alignment must be a power of 2"));
7452 else if ((strncasecmp (name, "access", 6) == 0))
7454 (void) restore_line_pointer (c);
7455 input_line_pointer++;
7456 access_ctr = get_absolute_expression ();
7458 else if ((strncasecmp (name, "sort", 4) == 0))
7460 (void) restore_line_pointer (c);
7461 input_line_pointer++;
7462 sort = get_absolute_expression ();
7464 else if ((strncasecmp (name, "code_only", 9) == 0))
7466 (void) restore_line_pointer (c);
7469 else if ((strncasecmp (name, "unloadable", 10) == 0))
7471 (void) restore_line_pointer (c);
7474 else if ((strncasecmp (name, "comdat", 6) == 0))
7476 (void) restore_line_pointer (c);
7479 else if ((strncasecmp (name, "common", 6) == 0))
7481 (void) restore_line_pointer (c);
7484 else if ((strncasecmp (name, "dup_comm", 8) == 0))
7486 (void) restore_line_pointer (c);
7489 else if ((strncasecmp (name, "zero", 4) == 0))
7491 (void) restore_line_pointer (c);
7494 else if ((strncasecmp (name, "first", 5) == 0))
7495 as_bad (_("FIRST not supported as a .SUBSPACE argument"));
7497 as_bad (_("Invalid .SUBSPACE argument"));
7499 if (!is_end_of_statement ())
7500 input_line_pointer++;
7504 /* Compute a reasonable set of BFD flags based on the information
7505 in the .subspace directive. */
7506 applicable = bfd_applicable_section_flags (stdoutput);
7509 flags |= (SEC_ALLOC | SEC_LOAD);
7513 /* These flags are used to implement various flavors of initialized
7514 common. The SOM linker discards duplicate subspaces when they
7515 have the same "key" symbol name. This support is more like
7516 GNU linkonce than BFD common. Further, pc-relative relocations
7517 are converted to section relative relocations in BFD common
7518 sections. This complicates the handling of relocations in
7519 common sections containing text and isn't currently supported
7520 correctly in the SOM BFD backend. */
7521 if (comdat || common || dup_common)
7522 flags |= SEC_LINK_ONCE;
7524 flags |= SEC_RELOC | SEC_HAS_CONTENTS;
7526 /* This is a zero-filled subspace (eg BSS). */
7528 flags &= ~(SEC_LOAD | SEC_HAS_CONTENTS);
7530 applicable &= flags;
7532 /* If this is an existing subspace, then we want to use the
7533 segment already associated with the subspace.
7535 FIXME NOW! ELF BFD doesn't appear to be ready to deal with
7536 lots of sections. It might be a problem in the PA ELF
7537 code, I do not know yet. For now avoid creating anything
7538 but the "standard" sections for ELF. */
7540 section = subseg_force_new (ss_name, 0);
7542 section = ssd->ssd_seg;
7544 section = subseg_new (ss_name, 0);
7547 seg_info (section)->bss = 1;
7549 /* Now set the flags. */
7550 bfd_set_section_flags (stdoutput, section, applicable);
7552 /* Record any alignment request for this section. */
7553 record_alignment (section, exact_log2 (alignment));
7555 /* Set the starting offset for this section. */
7556 bfd_set_section_vma (stdoutput, section,
7557 pa_subspace_start (space, quadrant));
7559 /* Now that all the flags are set, update an existing subspace,
7560 or create a new one. */
7563 current_subspace = update_subspace (space, ss_name, loadable,
7564 code_only, comdat, common,
7565 dup_common, sort, zero, access_ctr,
7566 space_index, alignment, quadrant,
7569 current_subspace = create_new_subspace (space, ss_name, loadable,
7570 code_only, comdat, common,
7571 dup_common, zero, sort,
7572 access_ctr, space_index,
7573 alignment, quadrant, section);
7575 demand_empty_rest_of_line ();
7576 current_subspace->ssd_seg = section;
7577 subseg_set (current_subspace->ssd_seg, current_subspace->ssd_subseg);
7579 SUBSPACE_DEFINED (current_subspace) = 1;
7582 /* Create default space and subspace dictionaries. */
7585 pa_spaces_begin (void)
7589 space_dict_root = NULL;
7590 space_dict_last = NULL;
7593 while (pa_def_spaces[i].name)
7597 /* Pick the right name to use for the new section. */
7598 name = pa_def_spaces[i].name;
7600 pa_def_spaces[i].segment = subseg_new (name, 0);
7601 create_new_space (pa_def_spaces[i].name, pa_def_spaces[i].spnum,
7602 pa_def_spaces[i].loadable, pa_def_spaces[i].defined,
7603 pa_def_spaces[i].private, pa_def_spaces[i].sort,
7604 pa_def_spaces[i].segment, 0);
7609 while (pa_def_subspaces[i].name)
7612 int applicable, subsegment;
7613 asection *segment = NULL;
7614 sd_chain_struct *space;
7616 /* Pick the right name for the new section and pick the right
7617 subsegment number. */
7618 name = pa_def_subspaces[i].name;
7621 /* Create the new section. */
7622 segment = subseg_new (name, subsegment);
7624 /* For SOM we want to replace the standard .text, .data, and .bss
7625 sections with our own. We also want to set BFD flags for
7626 all the built-in subspaces. */
7627 if (!strcmp (pa_def_subspaces[i].name, "$CODE$"))
7629 text_section = segment;
7630 applicable = bfd_applicable_section_flags (stdoutput);
7631 bfd_set_section_flags (stdoutput, segment,
7632 applicable & (SEC_ALLOC | SEC_LOAD
7633 | SEC_RELOC | SEC_CODE
7635 | SEC_HAS_CONTENTS));
7637 else if (!strcmp (pa_def_subspaces[i].name, "$DATA$"))
7639 data_section = segment;
7640 applicable = bfd_applicable_section_flags (stdoutput);
7641 bfd_set_section_flags (stdoutput, segment,
7642 applicable & (SEC_ALLOC | SEC_LOAD
7644 | SEC_HAS_CONTENTS));
7647 else if (!strcmp (pa_def_subspaces[i].name, "$BSS$"))
7649 bss_section = segment;
7650 applicable = bfd_applicable_section_flags (stdoutput);
7651 bfd_set_section_flags (stdoutput, segment,
7652 applicable & SEC_ALLOC);
7654 else if (!strcmp (pa_def_subspaces[i].name, "$LIT$"))
7656 applicable = bfd_applicable_section_flags (stdoutput);
7657 bfd_set_section_flags (stdoutput, segment,
7658 applicable & (SEC_ALLOC | SEC_LOAD
7661 | SEC_HAS_CONTENTS));
7663 else if (!strcmp (pa_def_subspaces[i].name, "$MILLICODE$"))
7665 applicable = bfd_applicable_section_flags (stdoutput);
7666 bfd_set_section_flags (stdoutput, segment,
7667 applicable & (SEC_ALLOC | SEC_LOAD
7670 | SEC_HAS_CONTENTS));
7672 else if (!strcmp (pa_def_subspaces[i].name, "$UNWIND$"))
7674 applicable = bfd_applicable_section_flags (stdoutput);
7675 bfd_set_section_flags (stdoutput, segment,
7676 applicable & (SEC_ALLOC | SEC_LOAD
7679 | SEC_HAS_CONTENTS));
7682 /* Find the space associated with this subspace. */
7683 space = pa_segment_to_space (pa_def_spaces[pa_def_subspaces[i].
7684 def_space_index].segment);
7687 as_fatal (_("Internal error: Unable to find containing space for %s."),
7688 pa_def_subspaces[i].name);
7691 create_new_subspace (space, name,
7692 pa_def_subspaces[i].loadable,
7693 pa_def_subspaces[i].code_only,
7694 pa_def_subspaces[i].comdat,
7695 pa_def_subspaces[i].common,
7696 pa_def_subspaces[i].dup_common,
7697 pa_def_subspaces[i].zero,
7698 pa_def_subspaces[i].sort,
7699 pa_def_subspaces[i].access,
7700 pa_def_subspaces[i].space_index,
7701 pa_def_subspaces[i].alignment,
7702 pa_def_subspaces[i].quadrant,
7708 /* Create a new space NAME, with the appropriate flags as defined
7709 by the given parameters. */
7711 static sd_chain_struct *
7712 create_new_space (char *name,
7714 int loadable ATTRIBUTE_UNUSED,
7721 sd_chain_struct *chain_entry;
7723 chain_entry = xmalloc (sizeof (sd_chain_struct));
7725 as_fatal (_("Out of memory: could not allocate new space chain entry: %s\n"),
7728 SPACE_NAME (chain_entry) = xmalloc (strlen (name) + 1);
7729 strcpy (SPACE_NAME (chain_entry), name);
7730 SPACE_DEFINED (chain_entry) = defined;
7731 SPACE_USER_DEFINED (chain_entry) = user_defined;
7732 SPACE_SPNUM (chain_entry) = spnum;
7734 chain_entry->sd_seg = seg;
7735 chain_entry->sd_last_subseg = -1;
7736 chain_entry->sd_subspaces = NULL;
7737 chain_entry->sd_next = NULL;
7739 /* Find spot for the new space based on its sort key. */
7740 if (!space_dict_last)
7741 space_dict_last = chain_entry;
7743 if (space_dict_root == NULL)
7744 space_dict_root = chain_entry;
7747 sd_chain_struct *chain_pointer;
7748 sd_chain_struct *prev_chain_pointer;
7750 chain_pointer = space_dict_root;
7751 prev_chain_pointer = NULL;
7753 while (chain_pointer)
7755 prev_chain_pointer = chain_pointer;
7756 chain_pointer = chain_pointer->sd_next;
7759 /* At this point we've found the correct place to add the new
7760 entry. So add it and update the linked lists as appropriate. */
7761 if (prev_chain_pointer)
7763 chain_entry->sd_next = chain_pointer;
7764 prev_chain_pointer->sd_next = chain_entry;
7768 space_dict_root = chain_entry;
7769 chain_entry->sd_next = chain_pointer;
7772 if (chain_entry->sd_next == NULL)
7773 space_dict_last = chain_entry;
7776 /* This is here to catch predefined spaces which do not get
7777 modified by the user's input. Another call is found at
7778 the bottom of pa_parse_space_stmt to handle cases where
7779 the user modifies a predefined space. */
7780 #ifdef obj_set_section_attributes
7781 obj_set_section_attributes (seg, defined, private, sort, spnum);
7787 /* Create a new subspace NAME, with the appropriate flags as defined
7788 by the given parameters.
7790 Add the new subspace to the subspace dictionary chain in numerical
7791 order as defined by the SORT entries. */
7793 static ssd_chain_struct *
7794 create_new_subspace (sd_chain_struct *space,
7796 int loadable ATTRIBUTE_UNUSED,
7797 int code_only ATTRIBUTE_UNUSED,
7801 int is_zero ATTRIBUTE_UNUSED,
7804 int space_index ATTRIBUTE_UNUSED,
7805 int alignment ATTRIBUTE_UNUSED,
7809 ssd_chain_struct *chain_entry;
7811 chain_entry = xmalloc (sizeof (ssd_chain_struct));
7813 as_fatal (_("Out of memory: could not allocate new subspace chain entry: %s\n"), name);
7815 SUBSPACE_NAME (chain_entry) = xmalloc (strlen (name) + 1);
7816 strcpy (SUBSPACE_NAME (chain_entry), name);
7818 /* Initialize subspace_defined. When we hit a .subspace directive
7819 we'll set it to 1 which "locks-in" the subspace attributes. */
7820 SUBSPACE_DEFINED (chain_entry) = 0;
7822 chain_entry->ssd_subseg = 0;
7823 chain_entry->ssd_seg = seg;
7824 chain_entry->ssd_next = NULL;
7826 /* Find spot for the new subspace based on its sort key. */
7827 if (space->sd_subspaces == NULL)
7828 space->sd_subspaces = chain_entry;
7831 ssd_chain_struct *chain_pointer;
7832 ssd_chain_struct *prev_chain_pointer;
7834 chain_pointer = space->sd_subspaces;
7835 prev_chain_pointer = NULL;
7837 while (chain_pointer)
7839 prev_chain_pointer = chain_pointer;
7840 chain_pointer = chain_pointer->ssd_next;
7843 /* Now we have somewhere to put the new entry. Insert it and update
7845 if (prev_chain_pointer)
7847 chain_entry->ssd_next = chain_pointer;
7848 prev_chain_pointer->ssd_next = chain_entry;
7852 space->sd_subspaces = chain_entry;
7853 chain_entry->ssd_next = chain_pointer;
7857 #ifdef obj_set_subsection_attributes
7858 obj_set_subsection_attributes (seg, space->sd_seg, access_ctr, sort,
7859 quadrant, comdat, common, dup_common);
7865 /* Update the information for the given subspace based upon the
7866 various arguments. Return the modified subspace chain entry. */
7868 static ssd_chain_struct *
7869 update_subspace (sd_chain_struct *space,
7871 int loadable ATTRIBUTE_UNUSED,
7872 int code_only ATTRIBUTE_UNUSED,
7877 int zero ATTRIBUTE_UNUSED,
7879 int space_index ATTRIBUTE_UNUSED,
7880 int alignment ATTRIBUTE_UNUSED,
7884 ssd_chain_struct *chain_entry;
7886 chain_entry = is_defined_subspace (name);
7888 #ifdef obj_set_subsection_attributes
7889 obj_set_subsection_attributes (section, space->sd_seg, access_ctr, sort,
7890 quadrant, comdat, common, dup_common);
7896 /* Return the space chain entry for the space with the name NAME or
7897 NULL if no such space exists. */
7899 static sd_chain_struct *
7900 is_defined_space (char *name)
7902 sd_chain_struct *chain_pointer;
7904 for (chain_pointer = space_dict_root;
7906 chain_pointer = chain_pointer->sd_next)
7907 if (strcmp (SPACE_NAME (chain_pointer), name) == 0)
7908 return chain_pointer;
7910 /* No mapping from segment to space was found. Return NULL. */
7914 /* Find and return the space associated with the given seg. If no mapping
7915 from the given seg to a space is found, then return NULL.
7917 Unlike subspaces, the number of spaces is not expected to grow much,
7918 so a linear exhaustive search is OK here. */
7920 static sd_chain_struct *
7921 pa_segment_to_space (asection *seg)
7923 sd_chain_struct *space_chain;
7925 /* Walk through each space looking for the correct mapping. */
7926 for (space_chain = space_dict_root;
7928 space_chain = space_chain->sd_next)
7929 if (space_chain->sd_seg == seg)
7932 /* Mapping was not found. Return NULL. */
7936 /* Return the first space chain entry for the subspace with the name
7937 NAME or NULL if no such subspace exists.
7939 When there are multiple subspaces with the same name, switching to
7940 the first (i.e., default) subspace is preferable in most situations.
7941 For example, it wouldn't be desirable to merge COMDAT data with non
7944 Uses a linear search through all the spaces and subspaces, this may
7945 not be appropriate if we ever being placing each function in its
7948 static ssd_chain_struct *
7949 is_defined_subspace (char *name)
7951 sd_chain_struct *space_chain;
7952 ssd_chain_struct *subspace_chain;
7954 /* Walk through each space. */
7955 for (space_chain = space_dict_root;
7957 space_chain = space_chain->sd_next)
7959 /* Walk through each subspace looking for a name which matches. */
7960 for (subspace_chain = space_chain->sd_subspaces;
7962 subspace_chain = subspace_chain->ssd_next)
7963 if (strcmp (SUBSPACE_NAME (subspace_chain), name) == 0)
7964 return subspace_chain;
7967 /* Subspace wasn't found. Return NULL. */
7971 /* Find and return the subspace associated with the given seg. If no
7972 mapping from the given seg to a subspace is found, then return NULL.
7974 If we ever put each procedure/function within its own subspace
7975 (to make life easier on the compiler and linker), then this will have
7976 to become more efficient. */
7978 static ssd_chain_struct *
7979 pa_subsegment_to_subspace (asection *seg, subsegT subseg)
7981 sd_chain_struct *space_chain;
7982 ssd_chain_struct *subspace_chain;
7984 /* Walk through each space. */
7985 for (space_chain = space_dict_root;
7987 space_chain = space_chain->sd_next)
7989 if (space_chain->sd_seg == seg)
7991 /* Walk through each subspace within each space looking for
7992 the correct mapping. */
7993 for (subspace_chain = space_chain->sd_subspaces;
7995 subspace_chain = subspace_chain->ssd_next)
7996 if (subspace_chain->ssd_subseg == (int) subseg)
7997 return subspace_chain;
8001 /* No mapping from subsegment to subspace found. Return NULL. */
8005 /* Given a number, try and find a space with the name number.
8007 Return a pointer to a space dictionary chain entry for the space
8008 that was found or NULL on failure. */
8010 static sd_chain_struct *
8011 pa_find_space_by_number (int number)
8013 sd_chain_struct *space_chain;
8015 for (space_chain = space_dict_root;
8017 space_chain = space_chain->sd_next)
8019 if (SPACE_SPNUM (space_chain) == (unsigned int) number)
8023 /* No appropriate space found. Return NULL. */
8027 /* Return the starting address for the given subspace. If the starting
8028 address is unknown then return zero. */
8031 pa_subspace_start (sd_chain_struct *space, int quadrant)
8033 /* FIXME. Assumes everyone puts read/write data at 0x4000000, this
8034 is not correct for the PA OSF1 port. */
8035 if ((strcmp (SPACE_NAME (space), "$PRIVATE$") == 0) && quadrant == 1)
8037 else if (space->sd_seg == data_section && quadrant == 1)
8045 /* Helper function for pa_stringer. Used to find the end of
8049 pa_stringer_aux (char *s)
8051 unsigned int c = *s & CHAR_MASK;
8064 /* Handle a .STRING type pseudo-op. */
8067 pa_stringer (int append_zero)
8069 char *s, num_buf[4];
8073 /* Preprocess the string to handle PA-specific escape sequences.
8074 For example, \xDD where DD is a hexadecimal number should be
8075 changed to \OOO where OOO is an octal number. */
8078 /* We must have a valid space and subspace. */
8079 pa_check_current_space_and_subspace ();
8082 /* Skip the opening quote. */
8083 s = input_line_pointer + 1;
8085 while (is_a_char (c = pa_stringer_aux (s++)))
8092 /* Handle \x<num>. */
8095 unsigned int number;
8100 /* Get past the 'x'. */
8102 for (num_digit = 0, number = 0, dg = *s;
8104 && (ISDIGIT (dg) || (dg >= 'a' && dg <= 'f')
8105 || (dg >= 'A' && dg <= 'F'));
8109 number = number * 16 + dg - '0';
8110 else if (dg >= 'a' && dg <= 'f')
8111 number = number * 16 + dg - 'a' + 10;
8113 number = number * 16 + dg - 'A' + 10;
8123 sprintf (num_buf, "%02o", number);
8126 sprintf (num_buf, "%03o", number);
8129 for (i = 0; i <= num_digit; i++)
8130 s_start[i] = num_buf[i];
8134 /* This might be a "\"", skip over the escaped char. */
8141 stringer (8 + append_zero);
8142 pa_undefine_label ();
8145 /* Handle a .VERSION pseudo-op. */
8148 pa_version (int unused ATTRIBUTE_UNUSED)
8151 pa_undefine_label ();
8156 /* Handle a .COMPILER pseudo-op. */
8159 pa_compiler (int unused ATTRIBUTE_UNUSED)
8161 obj_som_compiler (0);
8162 pa_undefine_label ();
8167 /* Handle a .COPYRIGHT pseudo-op. */
8170 pa_copyright (int unused ATTRIBUTE_UNUSED)
8173 pa_undefine_label ();
8176 /* Just like a normal cons, but when finished we have to undefine
8177 the latest space label. */
8180 pa_cons (int nbytes)
8183 pa_undefine_label ();
8186 /* Like float_cons, but we need to undefine our label. */
8189 pa_float_cons (int float_type)
8191 float_cons (float_type);
8192 pa_undefine_label ();
8195 /* Like s_fill, but delete our label when finished. */
8198 pa_fill (int unused ATTRIBUTE_UNUSED)
8201 /* We must have a valid space and subspace. */
8202 pa_check_current_space_and_subspace ();
8206 pa_undefine_label ();
8209 /* Like lcomm, but delete our label when finished. */
8212 pa_lcomm (int needs_align)
8215 /* We must have a valid space and subspace. */
8216 pa_check_current_space_and_subspace ();
8219 s_lcomm (needs_align);
8220 pa_undefine_label ();
8223 /* Like lsym, but delete our label when finished. */
8226 pa_lsym (int unused ATTRIBUTE_UNUSED)
8229 /* We must have a valid space and subspace. */
8230 pa_check_current_space_and_subspace ();
8234 pa_undefine_label ();
8237 /* This function is called once, at assembler startup time. It should
8238 set up all the tables, etc. that the MD part of the assembler will need. */
8243 const char *retval = NULL;
8247 last_call_info = NULL;
8248 call_info_root = NULL;
8250 /* Set the default machine type. */
8251 if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, DEFAULT_LEVEL))
8252 as_warn (_("could not set architecture and machine"));
8254 /* Folding of text and data segments fails miserably on the PA.
8255 Warn user and disable "-R" option. */
8256 if (flag_readonly_data_in_text)
8258 as_warn (_("-R option not supported on this target."));
8259 flag_readonly_data_in_text = 0;
8266 op_hash = hash_new ();
8268 while (i < NUMOPCODES)
8270 const char *name = pa_opcodes[i].name;
8272 retval = hash_insert (op_hash, name, (struct pa_opcode *) &pa_opcodes[i]);
8273 if (retval != NULL && *retval != '\0')
8275 as_fatal (_("Internal error: can't hash `%s': %s\n"), name, retval);
8281 if ((pa_opcodes[i].match & pa_opcodes[i].mask)
8282 != pa_opcodes[i].match)
8284 fprintf (stderr, _("internal error: losing opcode: `%s' \"%s\"\n"),
8285 pa_opcodes[i].name, pa_opcodes[i].args);
8290 while (i < NUMOPCODES && !strcmp (pa_opcodes[i].name, name));
8294 as_fatal (_("Broken assembler. No assembly attempted."));
8297 /* SOM will change text_section. To make sure we never put
8298 anything into the old one switch to the new one now. */
8299 subseg_set (text_section, 0);
8303 dummy_symbol = symbol_find_or_make ("L$dummy");
8304 S_SET_SEGMENT (dummy_symbol, text_section);
8305 /* Force the symbol to be converted to a real symbol. */
8306 symbol_get_bfdsym (dummy_symbol)->flags |= BSF_KEEP;
8310 /* On the PA relocations which involve function symbols must not be
8311 adjusted. This so that the linker can know when/how to create argument
8312 relocation stubs for indirect calls and calls to static functions.
8314 "T" field selectors create DLT relative fixups for accessing
8315 globals and statics in PIC code; each DLT relative fixup creates
8316 an entry in the DLT table. The entries contain the address of
8317 the final target (eg accessing "foo" would create a DLT entry
8318 with the address of "foo").
8320 Unfortunately, the HP linker doesn't take into account any addend
8321 when generating the DLT; so accessing $LIT$+8 puts the address of
8322 $LIT$ into the DLT rather than the address of $LIT$+8.
8324 The end result is we can't perform relocation symbol reductions for
8325 any fixup which creates entries in the DLT (eg they use "T" field
8328 ??? Reject reductions involving symbols with external scope; such
8329 reductions make life a living hell for object file editors. */
8332 hppa_fix_adjustable (fixS *fixp)
8337 struct hppa_fix_struct *hppa_fix;
8339 hppa_fix = (struct hppa_fix_struct *) fixp->tc_fix_data;
8342 /* LR/RR selectors are implicitly used for a number of different relocation
8343 types. We must ensure that none of these types are adjusted (see below)
8344 even if they occur with a different selector. */
8345 code = elf_hppa_reloc_final_type (stdoutput, fixp->fx_r_type,
8346 hppa_fix->fx_r_format,
8347 hppa_fix->fx_r_field);
8351 /* Relocation types which use e_lrsel. */
8352 case R_PARISC_DIR21L:
8353 case R_PARISC_DLTREL21L:
8354 case R_PARISC_DPREL21L:
8355 case R_PARISC_PLTOFF21L:
8357 /* Relocation types which use e_rrsel. */
8358 case R_PARISC_DIR14R:
8359 case R_PARISC_DIR14DR:
8360 case R_PARISC_DIR14WR:
8361 case R_PARISC_DIR17R:
8362 case R_PARISC_DLTREL14R:
8363 case R_PARISC_DLTREL14DR:
8364 case R_PARISC_DLTREL14WR:
8365 case R_PARISC_DPREL14R:
8366 case R_PARISC_DPREL14DR:
8367 case R_PARISC_DPREL14WR:
8368 case R_PARISC_PLTOFF14R:
8369 case R_PARISC_PLTOFF14DR:
8370 case R_PARISC_PLTOFF14WR:
8372 /* Other types that we reject for reduction. */
8373 case R_PARISC_GNU_VTENTRY:
8374 case R_PARISC_GNU_VTINHERIT:
8381 /* Reject reductions of symbols in sym1-sym2 expressions when
8382 the fixup will occur in a CODE subspace.
8384 XXX FIXME: Long term we probably want to reject all of these;
8385 for example reducing in the debug section would lose if we ever
8386 supported using the optimizing hp linker. */
8389 && (hppa_fix->segment->flags & SEC_CODE))
8392 /* We can't adjust any relocs that use LR% and RR% field selectors.
8394 If a symbol is reduced to a section symbol, the assembler will
8395 adjust the addend unless the symbol happens to reside right at
8396 the start of the section. Additionally, the linker has no choice
8397 but to manipulate the addends when coalescing input sections for
8398 "ld -r". Since an LR% field selector is defined to round the
8399 addend, we can't change the addend without risking that a LR% and
8400 it's corresponding (possible multiple) RR% field will no longer
8401 sum to the right value.
8404 . ldil LR%foo+0,%r21
8405 . ldw RR%foo+0(%r21),%r26
8406 . ldw RR%foo+4(%r21),%r25
8408 If foo is at address 4092 (decimal) in section `sect', then after
8409 reducing to the section symbol we get
8410 . LR%sect+4092 == (L%sect)+0
8411 . RR%sect+4092 == (R%sect)+4092
8412 . RR%sect+4096 == (R%sect)-4096
8413 and the last address loses because rounding the addend to 8k
8414 multiples takes us up to 8192 with an offset of -4096.
8416 In cases where the LR% expression is identical to the RR% one we
8417 will never have a problem, but is so happens that gcc rounds
8418 addends involved in LR% field selectors to work around a HP
8419 linker bug. ie. We often have addresses like the last case
8420 above where the LR% expression is offset from the RR% one. */
8422 if (hppa_fix->fx_r_field == e_lrsel
8423 || hppa_fix->fx_r_field == e_rrsel
8424 || hppa_fix->fx_r_field == e_nlrsel)
8427 /* Reject reductions of symbols in DLT relative relocs,
8428 relocations with plabels. */
8429 if (hppa_fix->fx_r_field == e_tsel
8430 || hppa_fix->fx_r_field == e_ltsel
8431 || hppa_fix->fx_r_field == e_rtsel
8432 || hppa_fix->fx_r_field == e_psel
8433 || hppa_fix->fx_r_field == e_rpsel
8434 || hppa_fix->fx_r_field == e_lpsel)
8437 /* Reject absolute calls (jumps). */
8438 if (hppa_fix->fx_r_type == R_HPPA_ABS_CALL)
8441 /* Reject reductions of function symbols. */
8442 if (fixp->fx_addsy != 0 && S_IS_FUNCTION (fixp->fx_addsy))
8448 /* Return nonzero if the fixup in FIXP will require a relocation,
8449 even it if appears that the fixup could be completely handled
8453 hppa_force_relocation (struct fix *fixp)
8455 struct hppa_fix_struct *hppa_fixp;
8457 hppa_fixp = (struct hppa_fix_struct *) fixp->tc_fix_data;
8459 if (fixp->fx_r_type == (int) R_HPPA_ENTRY
8460 || fixp->fx_r_type == (int) R_HPPA_EXIT
8461 || fixp->fx_r_type == (int) R_HPPA_BEGIN_BRTAB
8462 || fixp->fx_r_type == (int) R_HPPA_END_BRTAB
8463 || fixp->fx_r_type == (int) R_HPPA_BEGIN_TRY
8464 || fixp->fx_r_type == (int) R_HPPA_END_TRY
8465 || (fixp->fx_addsy != NULL && fixp->fx_subsy != NULL
8466 && (hppa_fixp->segment->flags & SEC_CODE) != 0))
8470 if (fixp->fx_r_type == (int) R_PARISC_GNU_VTINHERIT
8471 || fixp->fx_r_type == (int) R_PARISC_GNU_VTENTRY)
8475 gas_assert (fixp->fx_addsy != NULL);
8477 /* Ensure we emit a relocation for global symbols so that dynamic
8479 if (S_FORCE_RELOC (fixp->fx_addsy, 1))
8482 /* It is necessary to force PC-relative calls/jumps to have a relocation
8483 entry if they're going to need either an argument relocation or long
8486 && arg_reloc_stub_needed (symbol_arg_reloc_info (fixp->fx_addsy),
8487 hppa_fixp->fx_arg_reloc))
8490 /* Now check to see if we're going to need a long-branch stub. */
8491 if (fixp->fx_r_type == (int) R_HPPA_PCREL_CALL)
8493 long pc = md_pcrel_from (fixp);
8494 valueT distance, min_stub_distance;
8496 distance = fixp->fx_offset + S_GET_VALUE (fixp->fx_addsy) - pc - 8;
8498 /* Distance to the closest possible stub. This will detect most
8499 but not all circumstances where a stub will not work. */
8500 min_stub_distance = pc + 16;
8502 if (last_call_info != NULL)
8503 min_stub_distance -= S_GET_VALUE (last_call_info->start_symbol);
8506 if ((distance + 8388608 >= 16777216
8507 && min_stub_distance <= 8388608)
8508 || (hppa_fixp->fx_r_format == 17
8509 && distance + 262144 >= 524288
8510 && min_stub_distance <= 262144)
8511 || (hppa_fixp->fx_r_format == 12
8512 && distance + 8192 >= 16384
8513 && min_stub_distance <= 8192)
8518 if (fixp->fx_r_type == (int) R_HPPA_ABS_CALL)
8521 /* No need (yet) to force another relocations to be emitted. */
8525 /* Now for some ELF specific code. FIXME. */
8527 /* For ELF, this function serves one purpose: to setup the st_size
8528 field of STT_FUNC symbols. To do this, we need to scan the
8529 call_info structure list, determining st_size in by taking the
8530 difference in the address of the beginning/end marker symbols. */
8533 elf_hppa_final_processing (void)
8535 struct call_info *call_info_pointer;
8537 for (call_info_pointer = call_info_root;
8539 call_info_pointer = call_info_pointer->ci_next)
8541 elf_symbol_type *esym
8542 = ((elf_symbol_type *)
8543 symbol_get_bfdsym (call_info_pointer->start_symbol));
8544 esym->internal_elf_sym.st_size =
8545 S_GET_VALUE (call_info_pointer->end_symbol)
8546 - S_GET_VALUE (call_info_pointer->start_symbol) + 4;
8551 pa_vtable_entry (int ignore ATTRIBUTE_UNUSED)
8553 struct fix *new_fix;
8555 new_fix = obj_elf_vtable_entry (0);
8559 struct hppa_fix_struct * hppa_fix = obstack_alloc (¬es, sizeof (struct hppa_fix_struct));
8561 hppa_fix->fx_r_type = R_HPPA;
8562 hppa_fix->fx_r_field = e_fsel;
8563 hppa_fix->fx_r_format = 32;
8564 hppa_fix->fx_arg_reloc = 0;
8565 hppa_fix->segment = now_seg;
8566 new_fix->tc_fix_data = (void *) hppa_fix;
8567 new_fix->fx_r_type = (int) R_PARISC_GNU_VTENTRY;
8572 pa_vtable_inherit (int ignore ATTRIBUTE_UNUSED)
8574 struct fix *new_fix;
8576 new_fix = obj_elf_vtable_inherit (0);
8580 struct hppa_fix_struct * hppa_fix = obstack_alloc (¬es, sizeof (struct hppa_fix_struct));
8582 hppa_fix->fx_r_type = R_HPPA;
8583 hppa_fix->fx_r_field = e_fsel;
8584 hppa_fix->fx_r_format = 32;
8585 hppa_fix->fx_arg_reloc = 0;
8586 hppa_fix->segment = now_seg;
8587 new_fix->tc_fix_data = (void *) hppa_fix;
8588 new_fix->fx_r_type = (int) R_PARISC_GNU_VTINHERIT;
8593 /* Table of pseudo ops for the PA. FIXME -- how many of these
8594 are now redundant with the overall GAS and the object file
8595 dependent tables? */
8596 const pseudo_typeS md_pseudo_table[] =
8598 /* align pseudo-ops on the PA specify the actual alignment requested,
8599 not the log2 of the requested alignment. */
8601 {"align", pa_align, 8},
8604 {"align", s_align_bytes, 8},
8606 {"begin_brtab", pa_brtab, 1},
8607 {"begin_try", pa_try, 1},
8608 {"block", pa_block, 1},
8609 {"blockz", pa_block, 0},
8610 {"byte", pa_cons, 1},
8611 {"call", pa_call, 0},
8612 {"callinfo", pa_callinfo, 0},
8613 #if defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))
8614 {"code", obj_elf_text, 0},
8616 {"code", pa_text, 0},
8617 {"comm", pa_comm, 0},
8620 {"compiler", pa_compiler, 0},
8622 {"copyright", pa_copyright, 0},
8623 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
8624 {"data", pa_data, 0},
8626 {"double", pa_float_cons, 'd'},
8627 {"dword", pa_cons, 8},
8629 {"end_brtab", pa_brtab, 0},
8630 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
8631 {"end_try", pa_try, 0},
8633 {"enter", pa_enter, 0},
8634 {"entry", pa_entry, 0},
8636 {"exit", pa_exit, 0},
8637 {"export", pa_export, 0},
8638 {"fill", pa_fill, 0},
8639 {"float", pa_float_cons, 'f'},
8640 {"half", pa_cons, 2},
8641 {"import", pa_import, 0},
8642 {"int", pa_cons, 4},
8643 {"label", pa_label, 0},
8644 {"lcomm", pa_lcomm, 0},
8645 {"leave", pa_leave, 0},
8646 {"level", pa_level, 0},
8647 {"long", pa_cons, 4},
8648 {"lsym", pa_lsym, 0},
8650 {"nsubspa", pa_subspace, 1},
8652 {"octa", pa_cons, 16},
8653 {"org", pa_origin, 0},
8654 {"origin", pa_origin, 0},
8655 {"param", pa_param, 0},
8656 {"proc", pa_proc, 0},
8657 {"procend", pa_procend, 0},
8658 {"quad", pa_cons, 8},
8660 {"short", pa_cons, 2},
8661 {"single", pa_float_cons, 'f'},
8663 {"space", pa_space, 0},
8664 {"spnum", pa_spnum, 0},
8666 {"string", pa_stringer, 0},
8667 {"stringz", pa_stringer, 1},
8669 {"subspa", pa_subspace, 0},
8671 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
8672 {"text", pa_text, 0},
8674 {"version", pa_version, 0},
8676 {"vtable_entry", pa_vtable_entry, 0},
8677 {"vtable_inherit", pa_vtable_inherit, 0},
8679 {"word", pa_cons, 4},
8685 hppa_cfi_frame_initial_instructions (void)
8687 cfi_add_CFA_def_cfa (30, 0);
8691 hppa_regname_to_dw2regnum (char *regname)
8693 unsigned int regnum = -1;
8697 static struct { char *name; int dw2regnum; } regnames[] =
8699 { "sp", 30 }, { "rp", 2 },
8702 for (i = 0; i < ARRAY_SIZE (regnames); ++i)
8703 if (strcmp (regnames[i].name, regname) == 0)
8704 return regnames[i].dw2regnum;
8706 if (regname[0] == 'r')
8709 regnum = strtoul (p, &q, 10);
8710 if (p == q || *q || regnum >= 32)
8713 else if (regname[0] == 'f' && regname[1] == 'r')
8716 regnum = strtoul (p, &q, 10);
8717 #if TARGET_ARCH_SIZE == 64
8718 if (p == q || *q || regnum <= 4 || regnum >= 32)
8723 || (*q && ((*q != 'L' && *q != 'R') || *(q + 1)))
8724 || regnum <= 4 || regnum >= 32)
8726 regnum = (regnum - 4) * 2 + 32;