1 /* tc-hppa.c -- Assemble for the PA
2 Copyright (C) 1989-2018 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 (const char *, int, int,
509 static ssd_chain_struct *create_new_subspace (sd_chain_struct *,
510 const char *, int, int,
514 static ssd_chain_struct *update_subspace (sd_chain_struct *,
515 char *, int, int, int,
519 static sd_chain_struct *is_defined_space (const char *);
520 static ssd_chain_struct *is_defined_subspace (const 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 (const 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 = XOBNEW (¬es, 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 = XNEW (arelent);
1360 reloc->sym_ptr_ptr = XNEW (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 = XNEWVEC (arelent *, n_relocs + 1);
1392 reloc = XNEWVEC (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 = XNEW (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 = XNEW (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 = XNEW (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 = XNEW (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 = XNEW (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 = XNEW (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, const 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 const 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);
3510 gas_assert (*args == 'e');
3511 /* Stash the ma/mb flag temporarily in the
3512 instruction. We will use (and remove it)
3513 later when handling 'J', 'K', '<' & '>'. */
3519 /* Handle a stbys completer. */
3526 while (*s == ',' && i < 2)
3529 if (strncasecmp (s, "m", 1) == 0)
3531 else if ((strncasecmp (s, "b ", 2) == 0)
3532 || (strncasecmp (s, "b,", 2) == 0))
3534 else if (strncasecmp (s, "e", 1) == 0)
3536 /* In strict mode, this is a match failure. */
3543 as_bad (_("Invalid Store Bytes Short Completer"));
3548 as_bad (_("Invalid Store Bytes Short Completer"));
3550 INSERT_FIELD_AND_CONTINUE (opcode, a, 13);
3553 /* Handle load cache hint completer. */
3556 if (!strncmp (s, ",sl", 3))
3561 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 10);
3563 /* Handle store cache hint completer. */
3566 if (!strncmp (s, ",sl", 3))
3571 else if (!strncmp (s, ",bc", 3))
3576 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 10);
3578 /* Handle load and clear cache hint completer. */
3581 if (!strncmp (s, ",co", 3))
3586 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 10);
3588 /* Handle load ordering completer. */
3590 if (strncmp (s, ",o", 2) != 0)
3595 /* Handle a branch gate completer. */
3597 if (strncasecmp (s, ",gate", 5) != 0)
3602 /* Handle a branch link and push completer. */
3604 if (strncasecmp (s, ",l,push", 7) != 0)
3609 /* Handle a branch link completer. */
3611 if (strncasecmp (s, ",l", 2) != 0)
3616 /* Handle a branch pop completer. */
3618 if (strncasecmp (s, ",pop", 4) != 0)
3623 /* Handle a local processor completer. */
3625 if (strncasecmp (s, ",l", 2) != 0)
3630 /* Handle a PROBE read/write completer. */
3633 if (!strncasecmp (s, ",w", 2))
3638 else if (!strncasecmp (s, ",r", 2))
3644 INSERT_FIELD_AND_CONTINUE (opcode, flag, 6);
3646 /* Handle MFCTL wide completer. */
3648 if (strncasecmp (s, ",w", 2) != 0)
3653 /* Handle an RFI restore completer. */
3656 if (!strncasecmp (s, ",r", 2))
3662 INSERT_FIELD_AND_CONTINUE (opcode, flag, 5);
3664 /* Handle a system control completer. */
3666 if (*s == ',' && (*(s + 1) == 'm' || *(s + 1) == 'M'))
3674 INSERT_FIELD_AND_CONTINUE (opcode, flag, 5);
3676 /* Handle intermediate/final completer for DCOR. */
3679 if (!strncasecmp (s, ",i", 2))
3685 INSERT_FIELD_AND_CONTINUE (opcode, flag, 6);
3687 /* Handle zero/sign extension completer. */
3690 if (!strncasecmp (s, ",z", 2))
3696 INSERT_FIELD_AND_CONTINUE (opcode, flag, 10);
3698 /* Handle add completer. */
3701 if (!strncasecmp (s, ",l", 2))
3706 else if (!strncasecmp (s, ",tsv", 4))
3712 INSERT_FIELD_AND_CONTINUE (opcode, flag, 10);
3714 /* Handle 64 bit carry for ADD. */
3717 if (!strncasecmp (s, ",dc,tsv", 7) ||
3718 !strncasecmp (s, ",tsv,dc", 7))
3723 else if (!strncasecmp (s, ",dc", 3))
3731 /* Condition is not required with "dc". */
3733 INSERT_FIELD_AND_CONTINUE (opcode, flag, 11);
3735 /* Handle 32 bit carry for ADD. */
3738 if (!strncasecmp (s, ",c,tsv", 6) ||
3739 !strncasecmp (s, ",tsv,c", 6))
3744 else if (!strncasecmp (s, ",c", 2))
3752 INSERT_FIELD_AND_CONTINUE (opcode, flag, 11);
3754 /* Handle trap on signed overflow. */
3757 if (!strncasecmp (s, ",tsv", 4))
3763 INSERT_FIELD_AND_CONTINUE (opcode, flag, 11);
3765 /* Handle trap on condition and overflow. */
3768 if (!strncasecmp (s, ",tc,tsv", 7) ||
3769 !strncasecmp (s, ",tsv,tc", 7))
3774 else if (!strncasecmp (s, ",tc", 3))
3782 INSERT_FIELD_AND_CONTINUE (opcode, flag, 11);
3784 /* Handle 64 bit borrow for SUB. */
3787 if (!strncasecmp (s, ",db,tsv", 7) ||
3788 !strncasecmp (s, ",tsv,db", 7))
3793 else if (!strncasecmp (s, ",db", 3))
3801 /* Condition is not required with "db". */
3803 INSERT_FIELD_AND_CONTINUE (opcode, flag, 11);
3805 /* Handle 32 bit borrow for SUB. */
3808 if (!strncasecmp (s, ",b,tsv", 6) ||
3809 !strncasecmp (s, ",tsv,b", 6))
3814 else if (!strncasecmp (s, ",b", 2))
3822 INSERT_FIELD_AND_CONTINUE (opcode, flag, 11);
3824 /* Handle trap condition completer for UADDCM. */
3827 if (!strncasecmp (s, ",tc", 3))
3833 INSERT_FIELD_AND_CONTINUE (opcode, flag, 6);
3835 /* Handle signed/unsigned at 21. */
3839 if (strncasecmp (s, ",s", 2) == 0)
3844 else if (strncasecmp (s, ",u", 2) == 0)
3850 INSERT_FIELD_AND_CONTINUE (opcode, sign, 10);
3853 /* Handle left/right combination at 17:18. */
3863 as_bad (_("Invalid left/right combination completer"));
3866 INSERT_FIELD_AND_CONTINUE (opcode, lr, 13);
3869 as_bad (_("Invalid left/right combination completer"));
3872 /* Handle saturation at 24:25. */
3876 if (strncasecmp (s, ",ss", 3) == 0)
3881 else if (strncasecmp (s, ",us", 3) == 0)
3887 INSERT_FIELD_AND_CONTINUE (opcode, sat, 6);
3890 /* Handle permutation completer. */
3918 as_bad (_("Invalid permutation completer"));
3920 opcode |= perm << permloc[i];
3925 as_bad (_("Invalid permutation completer"));
3933 /* Handle all conditions. */
3939 /* Handle FP compare conditions. */
3941 cond = pa_parse_fp_cmp_cond (&s);
3942 INSERT_FIELD_AND_CONTINUE (opcode, cond, 0);
3944 /* Handle an add condition. */
3953 /* 64 bit conditions. */
3965 while (*s != ',' && *s != ' ' && *s != '\t')
3969 if (strcmp (name, "=") == 0)
3971 else if (strcmp (name, "<") == 0)
3973 else if (strcmp (name, "<=") == 0)
3975 else if (strcasecmp (name, "nuv") == 0)
3977 else if (strcasecmp (name, "znv") == 0)
3979 else if (strcasecmp (name, "sv") == 0)
3981 else if (strcasecmp (name, "od") == 0)
3983 else if (strcasecmp (name, "tr") == 0)
3988 else if (strcmp (name, "<>") == 0)
3993 else if (strcmp (name, ">=") == 0)
3998 else if (strcmp (name, ">") == 0)
4003 else if (strcasecmp (name, "uv") == 0)
4008 else if (strcasecmp (name, "vnz") == 0)
4013 else if (strcasecmp (name, "nsv") == 0)
4018 else if (strcasecmp (name, "ev") == 0)
4023 /* ",*" is a valid condition. */
4024 else if (*args == 'a' || *name)
4025 as_bad (_("Invalid Add Condition: %s"), name);
4028 /* Except with "dc", we have a match failure with
4029 'A' if we don't have a doubleword condition. */
4030 else if (*args == 'A' && need_cond)
4033 opcode |= cmpltr << 13;
4034 INSERT_FIELD_AND_CONTINUE (opcode, flag, 12);
4036 /* Handle non-negated add and branch condition. */
4038 cmpltr = pa_parse_nonneg_add_cmpltr (&s);
4041 as_bad (_("Invalid Add and Branch Condition"));
4044 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13);
4046 /* Handle 64 bit wide-mode add and branch condition. */
4048 cmpltr = pa_parse_addb_64_cmpltr (&s);
4051 as_bad (_("Invalid Add and Branch Condition"));
4056 /* Negated condition requires an opcode change. */
4057 opcode |= (cmpltr & 8) << 24;
4059 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr & 7, 13);
4061 /* Handle a negated or non-negated add and branch
4065 cmpltr = pa_parse_nonneg_add_cmpltr (&s);
4069 cmpltr = pa_parse_neg_add_cmpltr (&s);
4072 as_bad (_("Invalid Compare/Subtract Condition"));
4077 /* Negated condition requires an opcode change. */
4081 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13);
4083 /* Handle branch on bit conditions. */
4101 if (strncmp (s, "<", 1) == 0)
4106 else if (strncmp (s, ">=", 2) == 0)
4112 as_bad (_("Invalid Branch On Bit Condition: %c"), *s);
4115 as_bad (_("Missing Branch On Bit Condition"));
4117 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 15);
4119 /* Handle a compare/subtract condition. */
4128 /* 64 bit conditions. */
4140 while (*s != ',' && *s != ' ' && *s != '\t')
4144 if (strcmp (name, "=") == 0)
4146 else if (strcmp (name, "<") == 0)
4148 else if (strcmp (name, "<=") == 0)
4150 else if (strcasecmp (name, "<<") == 0)
4152 else if (strcasecmp (name, "<<=") == 0)
4154 else if (strcasecmp (name, "sv") == 0)
4156 else if (strcasecmp (name, "od") == 0)
4158 else if (strcasecmp (name, "tr") == 0)
4163 else if (strcmp (name, "<>") == 0)
4168 else if (strcmp (name, ">=") == 0)
4173 else if (strcmp (name, ">") == 0)
4178 else if (strcasecmp (name, ">>=") == 0)
4183 else if (strcasecmp (name, ">>") == 0)
4188 else if (strcasecmp (name, "nsv") == 0)
4193 else if (strcasecmp (name, "ev") == 0)
4198 /* ",*" is a valid condition. */
4199 else if (*args != 'S' || *name)
4200 as_bad (_("Invalid Compare/Subtract Condition: %s"),
4204 /* Except with "db", we have a match failure with
4205 'S' if we don't have a doubleword condition. */
4206 else if (*args == 'S' && need_cond)
4209 opcode |= cmpltr << 13;
4210 INSERT_FIELD_AND_CONTINUE (opcode, flag, 12);
4212 /* Handle a non-negated compare condition. */
4214 cmpltr = pa_parse_nonneg_cmpsub_cmpltr (&s);
4217 as_bad (_("Invalid Compare/Subtract Condition"));
4220 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13);
4222 /* Handle a 32 bit compare and branch condition. */
4225 cmpltr = pa_parse_nonneg_cmpsub_cmpltr (&s);
4229 cmpltr = pa_parse_neg_cmpsub_cmpltr (&s);
4232 as_bad (_("Invalid Compare and Branch Condition"));
4237 /* Negated condition requires an opcode change. */
4242 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13);
4244 /* Handle a 64 bit compare and branch condition. */
4246 cmpltr = pa_parse_cmpb_64_cmpltr (&s);
4249 /* Negated condition requires an opcode change. */
4250 opcode |= (cmpltr & 8) << 26;
4253 /* Not a 64 bit cond. Give 32 bit a chance. */
4256 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr & 7, 13);
4258 /* Handle a 64 bit cmpib condition. */
4260 cmpltr = pa_parse_cmpib_64_cmpltr (&s);
4262 /* Not a 64 bit cond. Give 32 bit a chance. */
4265 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13);
4267 /* Handle a logical instruction condition. */
4276 /* 64 bit conditions. */
4288 while (*s != ',' && *s != ' ' && *s != '\t')
4293 if (strcmp (name, "=") == 0)
4295 else if (strcmp (name, "<") == 0)
4297 else if (strcmp (name, "<=") == 0)
4299 else if (strcasecmp (name, "od") == 0)
4301 else if (strcasecmp (name, "tr") == 0)
4306 else if (strcmp (name, "<>") == 0)
4311 else if (strcmp (name, ">=") == 0)
4316 else if (strcmp (name, ">") == 0)
4321 else if (strcasecmp (name, "ev") == 0)
4326 /* ",*" is a valid condition. */
4327 else if (*args != 'L' || *name)
4328 as_bad (_("Invalid Logical Instruction Condition."));
4331 /* 32-bit is default for no condition. */
4332 else if (*args == 'L')
4335 opcode |= cmpltr << 13;
4336 INSERT_FIELD_AND_CONTINUE (opcode, flag, 12);
4338 /* Handle a shift/extract/deposit condition. */
4343 /* Check immediate values in shift/extract/deposit
4344 * instructions if they will give undefined behaviour. */
4345 immediate_check = 1;
4350 /* 64 bit conditions. */
4362 while (*s != ',' && *s != ' ' && *s != '\t')
4366 if (strcmp (name, "=") == 0)
4368 else if (strcmp (name, "<") == 0)
4370 else if (strcasecmp (name, "od") == 0)
4372 else if (strcasecmp (name, "tr") == 0)
4374 else if (strcmp (name, "<>") == 0)
4376 else if (strcmp (name, ">=") == 0)
4378 else if (strcasecmp (name, "ev") == 0)
4380 /* Handle movb,n. Put things back the way they were.
4381 This includes moving s back to where it started. */
4382 else if (strcasecmp (name, "n") == 0 && *args == 'y')
4388 /* ",*" is a valid condition. */
4389 else if (*args != 'X' || *name)
4390 as_bad (_("Invalid Shift/Extract/Deposit Condition."));
4394 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13);
4396 /* Handle a unit instruction condition. */
4406 /* 64 bit conditions. */
4417 /* The uxor instruction only supports unit conditions
4418 not involving carries. */
4419 uxor = (opcode & 0xfc000fc0) == 0x08000380;
4420 if (strncasecmp (s, "sbz", 3) == 0)
4425 else if (strncasecmp (s, "shz", 3) == 0)
4430 else if (!uxor && strncasecmp (s, "sdc", 3) == 0)
4435 else if (!uxor && strncasecmp (s, "sbc", 3) == 0)
4440 else if (!uxor && strncasecmp (s, "shc", 3) == 0)
4445 else if (strncasecmp (s, "tr", 2) == 0)
4451 else if (strncasecmp (s, "nbz", 3) == 0)
4457 else if (strncasecmp (s, "nhz", 3) == 0)
4463 else if (!uxor && strncasecmp (s, "ndc", 3) == 0)
4469 else if (!uxor && strncasecmp (s, "nbc", 3) == 0)
4475 else if (!uxor && strncasecmp (s, "nhc", 3) == 0)
4481 else if (strncasecmp (s, "swz", 3) == 0)
4487 else if (!uxor && strncasecmp (s, "swc", 3) == 0)
4493 else if (strncasecmp (s, "nwz", 3) == 0)
4499 else if (!uxor && strncasecmp (s, "nwc", 3) == 0)
4505 /* ",*" is a valid condition. */
4506 else if (*args != 'U' || (*s != ' ' && *s != '\t'))
4507 as_bad (_("Invalid Unit Instruction Condition."));
4509 /* 32-bit is default for no condition. */
4510 else if (*args == 'U')
4513 opcode |= cmpltr << 13;
4514 INSERT_FIELD_AND_CONTINUE (opcode, flag, 12);
4522 /* Handle a nullification completer for branch instructions. */
4524 nullif = pa_parse_nullif (&s);
4525 INSERT_FIELD_AND_CONTINUE (opcode, nullif, 1);
4527 /* Handle a nullification completer for copr and spop insns. */
4529 nullif = pa_parse_nullif (&s);
4530 INSERT_FIELD_AND_CONTINUE (opcode, nullif, 5);
4532 /* Handle ,%r2 completer for new syntax branches. */
4534 if (*s == ',' && strncasecmp (s + 1, "%r2", 3) == 0)
4536 else if (*s == ',' && strncasecmp (s + 1, "%rp", 3) == 0)
4542 /* Handle 3 bit entry into the fp compare array. Valid values
4543 are 0..6 inclusive. */
4547 if (the_insn.exp.X_op == O_constant)
4549 num = evaluate_absolute (&the_insn);
4550 CHECK_FIELD (num, 6, 0, 0);
4552 INSERT_FIELD_AND_CONTINUE (opcode, num, 13);
4557 /* Handle 3 bit entry into the fp compare array. Valid values
4558 are 0..6 inclusive. */
4561 if (the_insn.exp.X_op == O_constant)
4564 num = evaluate_absolute (&the_insn);
4565 CHECK_FIELD (num, 6, 0, 0);
4566 num = (num + 1) ^ 1;
4567 INSERT_FIELD_AND_CONTINUE (opcode, num, 13);
4572 /* Handle graphics test completers for ftest */
4575 num = pa_parse_ftest_gfx_completer (&s);
4576 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
4579 /* Handle a 11 bit immediate at 31. */
4581 the_insn.field_selector = pa_chk_field_selector (&s);
4584 if (the_insn.exp.X_op == O_constant)
4586 num = evaluate_absolute (&the_insn);
4587 CHECK_FIELD (num, 1023, -1024, 0);
4588 num = low_sign_unext (num, 11);
4589 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
4593 if (is_DP_relative (the_insn.exp))
4594 the_insn.reloc = R_HPPA_GOTOFF;
4595 else if (is_PC_relative (the_insn.exp))
4596 the_insn.reloc = R_HPPA_PCREL_CALL;
4598 else if (is_tls_gdidx (the_insn.exp))
4599 the_insn.reloc = R_PARISC_TLS_GD21L;
4600 else if (is_tls_ldidx (the_insn.exp))
4601 the_insn.reloc = R_PARISC_TLS_LDM21L;
4602 else if (is_tls_dtpoff (the_insn.exp))
4603 the_insn.reloc = R_PARISC_TLS_LDO21L;
4604 else if (is_tls_ieoff (the_insn.exp))
4605 the_insn.reloc = R_PARISC_TLS_IE21L;
4606 else if (is_tls_leoff (the_insn.exp))
4607 the_insn.reloc = R_PARISC_TLS_LE21L;
4610 the_insn.reloc = R_HPPA;
4611 the_insn.format = 11;
4615 /* Handle a 14 bit immediate at 31. */
4617 the_insn.field_selector = pa_chk_field_selector (&s);
4620 if (the_insn.exp.X_op == O_constant)
4624 /* XXX the completer stored away tidbits of information
4625 for us to extract. We need a cleaner way to do this.
4626 Now that we have lots of letters again, it would be
4627 good to rethink this. */
4630 num = evaluate_absolute (&the_insn);
4631 if (mb != (num < 0))
4633 CHECK_FIELD (num, 8191, -8192, 0);
4634 num = low_sign_unext (num, 14);
4635 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
4639 /* Handle a 14 bit immediate at 31. */
4641 the_insn.field_selector = pa_chk_field_selector (&s);
4644 if (the_insn.exp.X_op == O_constant)
4650 num = evaluate_absolute (&the_insn);
4651 if (mb == (num < 0))
4655 CHECK_FIELD (num, 8191, -8192, 0);
4656 num = low_sign_unext (num, 14);
4657 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
4661 /* Handle a 16 bit immediate at 31. */
4663 the_insn.field_selector = pa_chk_field_selector (&s);
4666 if (the_insn.exp.X_op == O_constant)
4672 num = evaluate_absolute (&the_insn);
4673 if (mb != (num < 0))
4675 CHECK_FIELD (num, 32767, -32768, 0);
4676 num = re_assemble_16 (num);
4677 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
4681 /* Handle a 16 bit immediate at 31. */
4683 the_insn.field_selector = pa_chk_field_selector (&s);
4686 if (the_insn.exp.X_op == O_constant)
4692 num = evaluate_absolute (&the_insn);
4693 if (mb == (num < 0))
4697 CHECK_FIELD (num, 32767, -32768, 0);
4698 num = re_assemble_16 (num);
4699 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
4703 /* Handle 14 bit immediate, shifted left three times. */
4705 if (bfd_get_mach (stdoutput) != pa20)
4707 the_insn.field_selector = pa_chk_field_selector (&s);
4710 if (the_insn.exp.X_op == O_constant)
4712 num = evaluate_absolute (&the_insn);
4715 CHECK_FIELD (num, 8191, -8192, 0);
4720 INSERT_FIELD_AND_CONTINUE (opcode, num, 4);
4724 if (is_DP_relative (the_insn.exp))
4725 the_insn.reloc = R_HPPA_GOTOFF;
4726 else if (is_PC_relative (the_insn.exp))
4727 the_insn.reloc = R_HPPA_PCREL_CALL;
4729 else if (is_tls_gdidx (the_insn.exp))
4730 the_insn.reloc = R_PARISC_TLS_GD21L;
4731 else if (is_tls_ldidx (the_insn.exp))
4732 the_insn.reloc = R_PARISC_TLS_LDM21L;
4733 else if (is_tls_dtpoff (the_insn.exp))
4734 the_insn.reloc = R_PARISC_TLS_LDO21L;
4735 else if (is_tls_ieoff (the_insn.exp))
4736 the_insn.reloc = R_PARISC_TLS_IE21L;
4737 else if (is_tls_leoff (the_insn.exp))
4738 the_insn.reloc = R_PARISC_TLS_LE21L;
4741 the_insn.reloc = R_HPPA;
4742 the_insn.format = 14;
4747 /* Handle 14 bit immediate, shifted left twice. */
4749 the_insn.field_selector = pa_chk_field_selector (&s);
4752 if (the_insn.exp.X_op == O_constant)
4754 num = evaluate_absolute (&the_insn);
4757 CHECK_FIELD (num, 8191, -8192, 0);
4762 INSERT_FIELD_AND_CONTINUE (opcode, num, 3);
4766 if (is_DP_relative (the_insn.exp))
4767 the_insn.reloc = R_HPPA_GOTOFF;
4768 else if (is_PC_relative (the_insn.exp))
4769 the_insn.reloc = R_HPPA_PCREL_CALL;
4771 else if (is_tls_gdidx (the_insn.exp))
4772 the_insn.reloc = R_PARISC_TLS_GD21L;
4773 else if (is_tls_ldidx (the_insn.exp))
4774 the_insn.reloc = R_PARISC_TLS_LDM21L;
4775 else if (is_tls_dtpoff (the_insn.exp))
4776 the_insn.reloc = R_PARISC_TLS_LDO21L;
4777 else if (is_tls_ieoff (the_insn.exp))
4778 the_insn.reloc = R_PARISC_TLS_IE21L;
4779 else if (is_tls_leoff (the_insn.exp))
4780 the_insn.reloc = R_PARISC_TLS_LE21L;
4783 the_insn.reloc = R_HPPA;
4784 the_insn.format = 14;
4788 /* Handle a 14 bit immediate at 31. */
4790 the_insn.field_selector = pa_chk_field_selector (&s);
4793 if (the_insn.exp.X_op == O_constant)
4795 num = evaluate_absolute (&the_insn);
4796 CHECK_FIELD (num, 8191, -8192, 0);
4797 num = low_sign_unext (num, 14);
4798 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
4802 if (is_DP_relative (the_insn.exp))
4803 the_insn.reloc = R_HPPA_GOTOFF;
4804 else if (is_PC_relative (the_insn.exp))
4805 the_insn.reloc = R_HPPA_PCREL_CALL;
4807 else if (is_tls_gdidx (the_insn.exp))
4808 the_insn.reloc = R_PARISC_TLS_GD21L;
4809 else if (is_tls_ldidx (the_insn.exp))
4810 the_insn.reloc = R_PARISC_TLS_LDM21L;
4811 else if (is_tls_dtpoff (the_insn.exp))
4812 the_insn.reloc = R_PARISC_TLS_LDO21L;
4813 else if (is_tls_ieoff (the_insn.exp))
4814 the_insn.reloc = R_PARISC_TLS_IE21L;
4815 else if (is_tls_leoff (the_insn.exp))
4816 the_insn.reloc = R_PARISC_TLS_LE21L;
4819 the_insn.reloc = R_HPPA;
4820 the_insn.format = 14;
4824 /* Handle a 21 bit immediate at 31. */
4826 the_insn.field_selector = pa_chk_field_selector (&s);
4829 if (the_insn.exp.X_op == O_constant)
4831 num = evaluate_absolute (&the_insn);
4832 CHECK_FIELD (num >> 11, 1048575, -1048576, 0);
4833 opcode |= re_assemble_21 (num);
4838 if (is_DP_relative (the_insn.exp))
4839 the_insn.reloc = R_HPPA_GOTOFF;
4840 else if (is_PC_relative (the_insn.exp))
4841 the_insn.reloc = R_HPPA_PCREL_CALL;
4843 else if (is_tls_gdidx (the_insn.exp))
4844 the_insn.reloc = R_PARISC_TLS_GD21L;
4845 else if (is_tls_ldidx (the_insn.exp))
4846 the_insn.reloc = R_PARISC_TLS_LDM21L;
4847 else if (is_tls_dtpoff (the_insn.exp))
4848 the_insn.reloc = R_PARISC_TLS_LDO21L;
4849 else if (is_tls_ieoff (the_insn.exp))
4850 the_insn.reloc = R_PARISC_TLS_IE21L;
4851 else if (is_tls_leoff (the_insn.exp))
4852 the_insn.reloc = R_PARISC_TLS_LE21L;
4855 the_insn.reloc = R_HPPA;
4856 the_insn.format = 21;
4860 /* Handle a 16 bit immediate at 31 (PA 2.0 wide mode only). */
4862 the_insn.field_selector = pa_chk_field_selector (&s);
4865 if (the_insn.exp.X_op == O_constant)
4867 num = evaluate_absolute (&the_insn);
4868 CHECK_FIELD (num, 32767, -32768, 0);
4869 opcode |= re_assemble_16 (num);
4874 /* ??? Is this valid for wide mode? */
4875 if (is_DP_relative (the_insn.exp))
4876 the_insn.reloc = R_HPPA_GOTOFF;
4877 else if (is_PC_relative (the_insn.exp))
4878 the_insn.reloc = R_HPPA_PCREL_CALL;
4880 else if (is_tls_gdidx (the_insn.exp))
4881 the_insn.reloc = R_PARISC_TLS_GD21L;
4882 else if (is_tls_ldidx (the_insn.exp))
4883 the_insn.reloc = R_PARISC_TLS_LDM21L;
4884 else if (is_tls_dtpoff (the_insn.exp))
4885 the_insn.reloc = R_PARISC_TLS_LDO21L;
4886 else if (is_tls_ieoff (the_insn.exp))
4887 the_insn.reloc = R_PARISC_TLS_IE21L;
4888 else if (is_tls_leoff (the_insn.exp))
4889 the_insn.reloc = R_PARISC_TLS_LE21L;
4892 the_insn.reloc = R_HPPA;
4893 the_insn.format = 14;
4897 /* Handle a word-aligned 16-bit imm. at 31 (PA2.0 wide). */
4899 the_insn.field_selector = pa_chk_field_selector (&s);
4902 if (the_insn.exp.X_op == O_constant)
4904 num = evaluate_absolute (&the_insn);
4905 CHECK_FIELD (num, 32767, -32768, 0);
4906 CHECK_ALIGN (num, 4, 0);
4907 opcode |= re_assemble_16 (num);
4912 /* ??? Is this valid for wide mode? */
4913 if (is_DP_relative (the_insn.exp))
4914 the_insn.reloc = R_HPPA_GOTOFF;
4915 else if (is_PC_relative (the_insn.exp))
4916 the_insn.reloc = R_HPPA_PCREL_CALL;
4918 else if (is_tls_gdidx (the_insn.exp))
4919 the_insn.reloc = R_PARISC_TLS_GD21L;
4920 else if (is_tls_ldidx (the_insn.exp))
4921 the_insn.reloc = R_PARISC_TLS_LDM21L;
4922 else if (is_tls_dtpoff (the_insn.exp))
4923 the_insn.reloc = R_PARISC_TLS_LDO21L;
4924 else if (is_tls_ieoff (the_insn.exp))
4925 the_insn.reloc = R_PARISC_TLS_IE21L;
4926 else if (is_tls_leoff (the_insn.exp))
4927 the_insn.reloc = R_PARISC_TLS_LE21L;
4930 the_insn.reloc = R_HPPA;
4931 the_insn.format = 14;
4935 /* Handle a dword-aligned 16-bit imm. at 31 (PA2.0 wide). */
4937 the_insn.field_selector = pa_chk_field_selector (&s);
4940 if (the_insn.exp.X_op == O_constant)
4942 num = evaluate_absolute (&the_insn);
4943 CHECK_FIELD (num, 32767, -32768, 0);
4944 CHECK_ALIGN (num, 8, 0);
4945 opcode |= re_assemble_16 (num);
4950 /* ??? Is this valid for wide mode? */
4951 if (is_DP_relative (the_insn.exp))
4952 the_insn.reloc = R_HPPA_GOTOFF;
4953 else if (is_PC_relative (the_insn.exp))
4954 the_insn.reloc = R_HPPA_PCREL_CALL;
4956 else if (is_tls_gdidx (the_insn.exp))
4957 the_insn.reloc = R_PARISC_TLS_GD21L;
4958 else if (is_tls_ldidx (the_insn.exp))
4959 the_insn.reloc = R_PARISC_TLS_LDM21L;
4960 else if (is_tls_dtpoff (the_insn.exp))
4961 the_insn.reloc = R_PARISC_TLS_LDO21L;
4962 else if (is_tls_ieoff (the_insn.exp))
4963 the_insn.reloc = R_PARISC_TLS_IE21L;
4964 else if (is_tls_leoff (the_insn.exp))
4965 the_insn.reloc = R_PARISC_TLS_LE21L;
4968 the_insn.reloc = R_HPPA;
4969 the_insn.format = 14;
4973 /* Handle a 12 bit branch displacement. */
4975 the_insn.field_selector = pa_chk_field_selector (&s);
4979 if (!the_insn.exp.X_add_symbol
4980 || !strcmp (S_GET_NAME (the_insn.exp.X_add_symbol),
4983 num = evaluate_absolute (&the_insn);
4986 as_bad (_("Branch to unaligned address"));
4989 if (the_insn.exp.X_add_symbol)
4991 CHECK_FIELD (num, 8191, -8192, 0);
4992 opcode |= re_assemble_12 (num >> 2);
4997 the_insn.reloc = R_HPPA_PCREL_CALL;
4998 the_insn.format = 12;
4999 the_insn.arg_reloc = last_call_desc.arg_reloc;
5000 memset (&last_call_desc, 0, sizeof (struct call_desc));
5005 /* Handle a 17 bit branch displacement. */
5007 the_insn.field_selector = pa_chk_field_selector (&s);
5011 if (!the_insn.exp.X_add_symbol
5012 || !strcmp (S_GET_NAME (the_insn.exp.X_add_symbol),
5015 num = evaluate_absolute (&the_insn);
5018 as_bad (_("Branch to unaligned address"));
5021 if (the_insn.exp.X_add_symbol)
5023 CHECK_FIELD (num, 262143, -262144, 0);
5024 opcode |= re_assemble_17 (num >> 2);
5029 the_insn.reloc = R_HPPA_PCREL_CALL;
5030 the_insn.format = 17;
5031 the_insn.arg_reloc = last_call_desc.arg_reloc;
5032 memset (&last_call_desc, 0, sizeof (struct call_desc));
5036 /* Handle a 22 bit branch displacement. */
5038 the_insn.field_selector = pa_chk_field_selector (&s);
5042 if (!the_insn.exp.X_add_symbol
5043 || !strcmp (S_GET_NAME (the_insn.exp.X_add_symbol),
5046 num = evaluate_absolute (&the_insn);
5049 as_bad (_("Branch to unaligned address"));
5052 if (the_insn.exp.X_add_symbol)
5054 CHECK_FIELD (num, 8388607, -8388608, 0);
5055 opcode |= re_assemble_22 (num >> 2);
5059 the_insn.reloc = R_HPPA_PCREL_CALL;
5060 the_insn.format = 22;
5061 the_insn.arg_reloc = last_call_desc.arg_reloc;
5062 memset (&last_call_desc, 0, sizeof (struct call_desc));
5066 /* Handle an absolute 17 bit branch target. */
5068 the_insn.field_selector = pa_chk_field_selector (&s);
5072 if (!the_insn.exp.X_add_symbol
5073 || !strcmp (S_GET_NAME (the_insn.exp.X_add_symbol),
5076 num = evaluate_absolute (&the_insn);
5079 as_bad (_("Branch to unaligned address"));
5082 if (the_insn.exp.X_add_symbol)
5084 CHECK_FIELD (num, 262143, -262144, 0);
5085 opcode |= re_assemble_17 (num >> 2);
5090 the_insn.reloc = R_HPPA_ABS_CALL;
5091 the_insn.format = 17;
5092 the_insn.arg_reloc = last_call_desc.arg_reloc;
5093 memset (&last_call_desc, 0, sizeof (struct call_desc));
5097 /* Handle '%r1' implicit operand of addil instruction. */
5099 if (*s == ',' && *(s + 1) == '%' && *(s + 3) == '1'
5100 && (*(s + 2) == 'r' || *(s + 2) == 'R'))
5108 /* Handle '%sr0,%r31' implicit operand of be,l instruction. */
5110 if (strncasecmp (s, "%sr0,%r31", 9) != 0)
5115 /* Handle immediate value of 0 for ordered load/store instructions. */
5122 /* Handle a 2 bit shift count at 25. */
5124 num = pa_get_absolute_expression (&the_insn, &s);
5125 if (strict && the_insn.exp.X_op != O_constant)
5128 CHECK_FIELD (num, 3, 1, strict);
5129 INSERT_FIELD_AND_CONTINUE (opcode, num, 6);
5131 /* Handle a 4 bit shift count at 25. */
5133 num = pa_get_absolute_expression (&the_insn, &s);
5134 if (strict && the_insn.exp.X_op != O_constant)
5137 CHECK_FIELD (num, 15, 0, strict);
5138 INSERT_FIELD_AND_CONTINUE (opcode, num, 6);
5140 /* Handle a 5 bit shift count at 26. */
5142 num = pa_get_absolute_expression (&the_insn, &s);
5143 if (strict && the_insn.exp.X_op != O_constant)
5146 CHECK_FIELD (num, 31, 0, strict);
5147 SAVE_IMMEDIATE(num);
5148 INSERT_FIELD_AND_CONTINUE (opcode, 31 - num, 5);
5150 /* Handle a 6 bit shift count at 20,22:26. */
5152 num = pa_get_absolute_expression (&the_insn, &s);
5153 if (strict && the_insn.exp.X_op != O_constant)
5156 CHECK_FIELD (num, 63, 0, strict);
5157 SAVE_IMMEDIATE(num);
5159 opcode |= (num & 0x20) << 6;
5160 INSERT_FIELD_AND_CONTINUE (opcode, num & 0x1f, 5);
5162 /* Handle a 6 bit field length at 23,27:31. */
5165 num = pa_get_absolute_expression (&the_insn, &s);
5166 if (strict && the_insn.exp.X_op != O_constant)
5169 CHECK_FIELD (num, 64, 1, strict);
5170 SAVE_IMMEDIATE(num);
5172 opcode |= (num & 0x20) << 3;
5173 num = 31 - (num & 0x1f);
5174 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
5176 /* Handle a 6 bit field length at 19,27:31. */
5178 num = pa_get_absolute_expression (&the_insn, &s);
5179 if (strict && the_insn.exp.X_op != O_constant)
5182 CHECK_FIELD (num, 64, 1, strict);
5183 SAVE_IMMEDIATE(num);
5185 opcode |= (num & 0x20) << 7;
5186 num = 31 - (num & 0x1f);
5187 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
5189 /* Handle a 5 bit bit position at 26. */
5191 num = pa_get_absolute_expression (&the_insn, &s);
5192 if (strict && the_insn.exp.X_op != O_constant)
5195 CHECK_FIELD (num, 31, 0, strict);
5196 SAVE_IMMEDIATE(num);
5197 INSERT_FIELD_AND_CONTINUE (opcode, num, 5);
5199 /* Handle a 6 bit bit position at 20,22:26. */
5201 num = pa_get_absolute_expression (&the_insn, &s);
5202 if (strict && the_insn.exp.X_op != O_constant)
5205 CHECK_FIELD (num, 63, 0, strict);
5206 SAVE_IMMEDIATE(num);
5207 opcode |= (num & 0x20) << 6;
5208 INSERT_FIELD_AND_CONTINUE (opcode, num & 0x1f, 5);
5210 /* Handle a 5 bit immediate at 10 with 'd' as the complement
5211 of the high bit of the immediate. */
5213 num = pa_get_absolute_expression (&the_insn, &s);
5214 if (strict && the_insn.exp.X_op != O_constant)
5217 CHECK_FIELD (num, 63, 0, strict);
5219 opcode &= ~(1 << 13);
5220 INSERT_FIELD_AND_CONTINUE (opcode, num & 0x1f, 21);
5222 /* Handle a 5 bit immediate at 10. */
5224 num = pa_get_absolute_expression (&the_insn, &s);
5225 if (strict && the_insn.exp.X_op != O_constant)
5228 CHECK_FIELD (num, 31, 0, strict);
5229 INSERT_FIELD_AND_CONTINUE (opcode, num, 21);
5231 /* Handle a 9 bit immediate at 28. */
5233 num = pa_get_absolute_expression (&the_insn, &s);
5234 if (strict && the_insn.exp.X_op != O_constant)
5237 CHECK_FIELD (num, 511, 1, strict);
5238 INSERT_FIELD_AND_CONTINUE (opcode, num, 3);
5240 /* Handle a 13 bit immediate at 18. */
5242 num = pa_get_absolute_expression (&the_insn, &s);
5243 if (strict && the_insn.exp.X_op != O_constant)
5246 CHECK_FIELD (num, 8191, 0, strict);
5247 INSERT_FIELD_AND_CONTINUE (opcode, num, 13);
5249 /* Handle a 26 bit immediate at 31. */
5251 num = pa_get_absolute_expression (&the_insn, &s);
5252 if (strict && the_insn.exp.X_op != O_constant)
5255 CHECK_FIELD (num, 67108863, 0, strict);
5256 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
5258 /* Handle a 3 bit SFU identifier at 25. */
5261 as_bad (_("Invalid SFU identifier"));
5262 num = pa_get_number (&the_insn, &s);
5263 if (strict && the_insn.exp.X_op != O_constant)
5266 CHECK_FIELD (num, 7, 0, strict);
5267 INSERT_FIELD_AND_CONTINUE (opcode, num, 6);
5269 /* Handle a 20 bit SOP field for spop0. */
5271 num = pa_get_number (&the_insn, &s);
5272 if (strict && the_insn.exp.X_op != O_constant)
5275 CHECK_FIELD (num, 1048575, 0, strict);
5276 num = (num & 0x1f) | ((num & 0x000fffe0) << 6);
5277 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
5279 /* Handle a 15bit SOP field for spop1. */
5281 num = pa_get_number (&the_insn, &s);
5282 if (strict && the_insn.exp.X_op != O_constant)
5285 CHECK_FIELD (num, 32767, 0, strict);
5286 INSERT_FIELD_AND_CONTINUE (opcode, num, 11);
5288 /* Handle a 10bit SOP field for spop3. */
5290 num = pa_get_number (&the_insn, &s);
5291 if (strict && the_insn.exp.X_op != O_constant)
5294 CHECK_FIELD (num, 1023, 0, strict);
5295 num = (num & 0x1f) | ((num & 0x000003e0) << 6);
5296 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
5298 /* Handle a 15 bit SOP field for spop2. */
5300 num = pa_get_number (&the_insn, &s);
5301 if (strict && the_insn.exp.X_op != O_constant)
5304 CHECK_FIELD (num, 32767, 0, strict);
5305 num = (num & 0x1f) | ((num & 0x00007fe0) << 6);
5306 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
5308 /* Handle a 3-bit co-processor ID field. */
5311 as_bad (_("Invalid COPR identifier"));
5312 num = pa_get_number (&the_insn, &s);
5313 if (strict && the_insn.exp.X_op != O_constant)
5316 CHECK_FIELD (num, 7, 0, strict);
5317 INSERT_FIELD_AND_CONTINUE (opcode, num, 6);
5319 /* Handle a 22bit SOP field for copr. */
5321 num = pa_get_number (&the_insn, &s);
5322 if (strict && the_insn.exp.X_op != O_constant)
5325 CHECK_FIELD (num, 4194303, 0, strict);
5326 num = (num & 0x1f) | ((num & 0x003fffe0) << 4);
5327 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
5329 /* Handle a source FP operand format completer. */
5331 if (*s == ',' && *(s+1) == 't')
5338 flag = pa_parse_fp_cnv_format (&s);
5339 the_insn.fpof1 = flag;
5340 if (flag == W || flag == UW)
5342 if (flag == DW || flag == UDW)
5344 if (flag == QW || flag == UQW)
5346 INSERT_FIELD_AND_CONTINUE (opcode, flag, 11);
5348 /* Handle a destination FP operand format completer. */
5350 /* pa_parse_format needs the ',' prefix. */
5352 flag = pa_parse_fp_cnv_format (&s);
5353 the_insn.fpof2 = flag;
5354 if (flag == W || flag == UW)
5356 if (flag == DW || flag == UDW)
5358 if (flag == QW || flag == UQW)
5360 opcode |= flag << 13;
5361 if (the_insn.fpof1 == SGL
5362 || the_insn.fpof1 == DBL
5363 || the_insn.fpof1 == QUAD)
5365 if (the_insn.fpof2 == SGL
5366 || the_insn.fpof2 == DBL
5367 || the_insn.fpof2 == QUAD)
5369 else if (the_insn.fpof2 == W
5370 || the_insn.fpof2 == DW
5371 || the_insn.fpof2 == QW)
5373 else if (the_insn.fpof2 == UW
5374 || the_insn.fpof2 == UDW
5375 || the_insn.fpof2 == UQW)
5380 else if (the_insn.fpof1 == W
5381 || the_insn.fpof1 == DW
5382 || the_insn.fpof1 == QW)
5384 if (the_insn.fpof2 == SGL
5385 || the_insn.fpof2 == DBL
5386 || the_insn.fpof2 == QUAD)
5391 else if (the_insn.fpof1 == UW
5392 || the_insn.fpof1 == UDW
5393 || the_insn.fpof1 == UQW)
5395 if (the_insn.fpof2 == SGL
5396 || the_insn.fpof2 == DBL
5397 || the_insn.fpof2 == QUAD)
5402 flag |= the_insn.trunc;
5403 INSERT_FIELD_AND_CONTINUE (opcode, flag, 15);
5405 /* Handle a source FP operand format completer. */
5407 flag = pa_parse_fp_format (&s);
5408 the_insn.fpof1 = flag;
5409 INSERT_FIELD_AND_CONTINUE (opcode, flag, 11);
5411 /* Handle a destination FP operand format completer. */
5413 /* pa_parse_format needs the ',' prefix. */
5415 flag = pa_parse_fp_format (&s);
5416 the_insn.fpof2 = flag;
5417 INSERT_FIELD_AND_CONTINUE (opcode, flag, 13);
5419 /* Handle a source FP operand format completer at 20. */
5421 flag = pa_parse_fp_format (&s);
5422 the_insn.fpof1 = flag;
5423 INSERT_FIELD_AND_CONTINUE (opcode, flag, 11);
5425 /* Handle a floating point operand format at 26.
5426 Only allows single and double precision. */
5428 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 = concat ("L$\001start_", S_GET_NAME (call_info->start_symbol),
5980 /* If we have a .procend preceded by a .exit, then the symbol will have
5981 already been defined. In that case, we don't want another unwind
5983 symbolP = symbol_find (name);
5991 symbolP = symbol_new (name, now_seg,
5992 S_GET_VALUE (call_info->start_symbol),
5993 symbol_get_frag (call_info->start_symbol));
5994 gas_assert (symbolP);
5995 S_CLEAR_EXTERNAL (symbolP);
5996 symbol_table_insert (symbolP);
5999 reloc = R_PARISC_SEGREL32;
6001 save_subseg = now_subseg;
6002 /* Get into the right seg/subseg. This may involve creating
6003 the seg the first time through. Make sure to have the
6004 old seg/subseg so that we can reset things when we are done. */
6005 seg = bfd_get_section_by_name (stdoutput, UNWIND_SECTION_NAME);
6006 if (seg == ASEC_NULL)
6008 seg = subseg_new (UNWIND_SECTION_NAME, 0);
6009 bfd_set_section_flags (stdoutput, seg,
6010 SEC_READONLY | SEC_HAS_CONTENTS
6011 | SEC_LOAD | SEC_RELOC | SEC_ALLOC | SEC_DATA);
6012 bfd_set_section_alignment (stdoutput, seg, 2);
6015 subseg_set (seg, 0);
6017 /* Get some space to hold relocation information for the unwind
6021 /* Relocation info. for start offset of the function. */
6022 md_number_to_chars (p, 0, 4);
6023 fix_new_hppa (frag_now, p - frag_now->fr_literal, 4,
6024 symbolP, (offsetT) 0,
6025 (expressionS *) NULL, 0, reloc,
6028 /* Relocation info. for end offset of the function.
6030 Because we allow reductions of 32bit relocations for ELF, this will be
6031 reduced to section_sym + offset which avoids putting the temporary
6032 symbol into the symbol table. It (should) end up giving the same
6033 value as call_info->start_symbol + function size once the linker is
6034 finished with its work. */
6035 md_number_to_chars (p + 4, 0, 4);
6036 fix_new_hppa (frag_now, p + 4 - frag_now->fr_literal, 4,
6037 call_info->end_symbol, (offsetT) 0,
6038 (expressionS *) NULL, 0, reloc,
6041 /* Dump the descriptor. */
6042 unwind = UNWIND_LOW32 (&call_info->ci_unwind.descriptor);
6043 md_number_to_chars (p + 8, unwind, 4);
6045 unwind = UNWIND_HIGH32 (&call_info->ci_unwind.descriptor);
6046 md_number_to_chars (p + 12, unwind, 4);
6048 /* Return back to the original segment/subsegment. */
6049 subseg_set (save_seg, save_subseg);
6053 /* Process a .CALLINFO pseudo-op. This information is used later
6054 to build unwind descriptors and maybe one day to support
6055 .ENTER and .LEAVE. */
6058 pa_callinfo (int unused ATTRIBUTE_UNUSED)
6064 /* We must have a valid space and subspace. */
6065 pa_check_current_space_and_subspace ();
6068 /* .CALLINFO must appear within a procedure definition. */
6069 if (!within_procedure)
6070 as_bad (_(".callinfo is not within a procedure definition"));
6072 /* Mark the fact that we found the .CALLINFO for the
6073 current procedure. */
6074 callinfo_found = TRUE;
6076 /* Iterate over the .CALLINFO arguments. */
6077 while (!is_end_of_statement ())
6079 c = get_symbol_name (&name);
6080 /* Frame size specification. */
6081 if ((strncasecmp (name, "frame", 5) == 0))
6083 (void) restore_line_pointer (c);
6084 input_line_pointer++;
6085 temp = get_absolute_expression ();
6086 if ((temp & 0x3) != 0)
6088 as_bad (_("FRAME parameter must be a multiple of 8: %d\n"), temp);
6092 /* callinfo is in bytes and unwind_desc is in 8 byte units. */
6093 last_call_info->ci_unwind.descriptor.frame_size = temp / 8;
6095 /* Entry register (GR, GR and SR) specifications. */
6096 else if ((strncasecmp (name, "entry_gr", 8) == 0))
6098 (void) restore_line_pointer (c);
6099 input_line_pointer++;
6100 temp = get_absolute_expression ();
6101 /* The HP assembler accepts 19 as the high bound for ENTRY_GR
6102 even though %r19 is caller saved. I think this is a bug in
6103 the HP assembler, and we are not going to emulate it. */
6104 if (temp < 3 || temp > 18)
6105 as_bad (_("Value for ENTRY_GR must be in the range 3..18\n"));
6106 last_call_info->ci_unwind.descriptor.entry_gr = temp - 2;
6108 else if ((strncasecmp (name, "entry_fr", 8) == 0))
6110 (void) restore_line_pointer (c);
6111 input_line_pointer++;
6112 temp = get_absolute_expression ();
6113 /* Similarly the HP assembler takes 31 as the high bound even
6114 though %fr21 is the last callee saved floating point register. */
6115 if (temp < 12 || temp > 21)
6116 as_bad (_("Value for ENTRY_FR must be in the range 12..21\n"));
6117 last_call_info->ci_unwind.descriptor.entry_fr = temp - 11;
6119 else if ((strncasecmp (name, "entry_sr", 8) == 0))
6121 (void) restore_line_pointer (c);
6122 input_line_pointer++;
6123 temp = get_absolute_expression ();
6125 as_bad (_("Value for ENTRY_SR must be 3\n"));
6127 /* Note whether or not this function performs any calls. */
6128 else if ((strncasecmp (name, "calls", 5) == 0)
6129 || (strncasecmp (name, "caller", 6) == 0))
6131 (void) restore_line_pointer (c);
6133 else if ((strncasecmp (name, "no_calls", 8) == 0))
6135 (void) restore_line_pointer (c);
6137 /* Should RP be saved into the stack. */
6138 else if ((strncasecmp (name, "save_rp", 7) == 0))
6140 (void) restore_line_pointer (c);
6141 last_call_info->ci_unwind.descriptor.save_rp = 1;
6143 /* Likewise for SP. */
6144 else if ((strncasecmp (name, "save_sp", 7) == 0))
6146 (void) restore_line_pointer (c);
6147 last_call_info->ci_unwind.descriptor.save_sp = 1;
6149 /* Is this an unwindable procedure. If so mark it so
6150 in the unwind descriptor. */
6151 else if ((strncasecmp (name, "no_unwind", 9) == 0))
6153 (void) restore_line_pointer (c);
6154 last_call_info->ci_unwind.descriptor.cannot_unwind = 1;
6156 /* Is this an interrupt routine. If so mark it in the
6157 unwind descriptor. */
6158 else if ((strncasecmp (name, "hpux_int", 7) == 0))
6160 (void) restore_line_pointer (c);
6161 last_call_info->ci_unwind.descriptor.hpux_interrupt_marker = 1;
6163 /* Is this a millicode routine. "millicode" isn't in my
6164 assembler manual, but my copy is old. The HP assembler
6165 accepts it, and there's a place in the unwind descriptor
6166 to drop the information, so we'll accept it too. */
6167 else if ((strncasecmp (name, "millicode", 9) == 0))
6169 (void) restore_line_pointer (c);
6170 last_call_info->ci_unwind.descriptor.millicode = 1;
6174 as_bad (_("Invalid .CALLINFO argument: %s"), name);
6175 (void) restore_line_pointer (c);
6178 if (!is_end_of_statement ())
6179 input_line_pointer++;
6182 demand_empty_rest_of_line ();
6185 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
6186 /* Switch to the text space. Like s_text, but delete our
6187 label when finished. */
6190 pa_text (int unused ATTRIBUTE_UNUSED)
6193 current_space = is_defined_space ("$TEXT$");
6195 = pa_subsegment_to_subspace (current_space->sd_seg, 0);
6199 pa_undefine_label ();
6202 /* Switch to the data space. As usual delete our label. */
6205 pa_data (int unused ATTRIBUTE_UNUSED)
6208 current_space = is_defined_space ("$PRIVATE$");
6210 = pa_subsegment_to_subspace (current_space->sd_seg, 0);
6213 pa_undefine_label ();
6216 /* This is different than the standard GAS s_comm(). On HP9000/800 machines,
6217 the .comm pseudo-op has the following syntax:
6219 <label> .comm <length>
6221 where <label> is optional and is a symbol whose address will be the start of
6222 a block of memory <length> bytes long. <length> must be an absolute
6223 expression. <length> bytes will be allocated in the current space
6226 Also note the label may not even be on the same line as the .comm.
6228 This difference in syntax means the colon function will be called
6229 on the symbol before we arrive in pa_comm. colon will set a number
6230 of attributes of the symbol that need to be fixed here. In particular
6231 the value, section pointer, fragment pointer, flags, etc. What
6234 This also makes error detection all but impossible. */
6237 pa_comm (int unused ATTRIBUTE_UNUSED)
6241 label_symbol_struct *label_symbol = pa_get_label ();
6244 symbol = label_symbol->lss_label;
6249 size = get_absolute_expression ();
6253 symbol_get_bfdsym (symbol)->flags |= BSF_OBJECT;
6254 S_SET_VALUE (symbol, size);
6255 S_SET_SEGMENT (symbol, bfd_com_section_ptr);
6256 S_SET_EXTERNAL (symbol);
6258 /* colon() has already set the frag to the current location in the
6259 current subspace; we need to reset the fragment to the zero address
6260 fragment. We also need to reset the segment pointer. */
6261 symbol_set_frag (symbol, &zero_address_frag);
6263 demand_empty_rest_of_line ();
6265 #endif /* !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))) */
6267 /* Process a .END pseudo-op. */
6270 pa_end (int unused ATTRIBUTE_UNUSED)
6272 demand_empty_rest_of_line ();
6275 /* Process a .ENTER pseudo-op. This is not supported. */
6278 pa_enter (int unused ATTRIBUTE_UNUSED)
6281 /* We must have a valid space and subspace. */
6282 pa_check_current_space_and_subspace ();
6285 as_bad (_("The .ENTER pseudo-op is not supported"));
6286 demand_empty_rest_of_line ();
6289 /* Process a .ENTRY pseudo-op. .ENTRY marks the beginning of the
6293 pa_entry (int unused ATTRIBUTE_UNUSED)
6296 /* We must have a valid space and subspace. */
6297 pa_check_current_space_and_subspace ();
6300 if (!within_procedure)
6301 as_bad (_("Misplaced .entry. Ignored."));
6304 if (!callinfo_found)
6305 as_bad (_("Missing .callinfo."));
6307 demand_empty_rest_of_line ();
6308 within_entry_exit = TRUE;
6311 /* SOM defers building of unwind descriptors until the link phase.
6312 The assembler is responsible for creating an R_ENTRY relocation
6313 to mark the beginning of a region and hold the unwind bits, and
6314 for creating an R_EXIT relocation to mark the end of the region.
6316 FIXME. ELF should be using the same conventions! The problem
6317 is an unwind requires too much relocation space. Hmmm. Maybe
6318 if we split the unwind bits up between the relocations which
6319 denote the entry and exit points. */
6320 if (last_call_info->start_symbol != NULL)
6325 where = frag_more (0);
6326 u = UNWIND_LOW32 (&last_call_info->ci_unwind.descriptor);
6327 fix_new_hppa (frag_now, where - frag_now->fr_literal, 0,
6328 NULL, (offsetT) 0, NULL,
6329 0, R_HPPA_ENTRY, e_fsel, 0, 0, u);
6334 /* Silly nonsense for pa_equ. The only half-sensible use for this is
6335 being able to subtract two register symbols that specify a range of
6336 registers, to get the size of the range. */
6337 static int fudge_reg_expressions;
6340 hppa_force_reg_syms_absolute (expressionS *resultP,
6341 operatorT op ATTRIBUTE_UNUSED,
6342 expressionS *rightP)
6344 if (fudge_reg_expressions
6345 && rightP->X_op == O_register
6346 && resultP->X_op == O_register)
6348 rightP->X_op = O_constant;
6349 resultP->X_op = O_constant;
6351 return 0; /* Continue normal expr handling. */
6354 /* Handle a .EQU pseudo-op. */
6359 label_symbol_struct *label_symbol = pa_get_label ();
6364 symbol = label_symbol->lss_label;
6368 if (!pa_parse_number (&input_line_pointer, 0))
6369 as_bad (_(".REG expression must be a register"));
6370 S_SET_VALUE (symbol, pa_number);
6371 S_SET_SEGMENT (symbol, reg_section);
6378 fudge_reg_expressions = 1;
6379 seg = expression (&exp);
6380 fudge_reg_expressions = 0;
6381 if (exp.X_op != O_constant
6382 && exp.X_op != O_register)
6384 if (exp.X_op != O_absent)
6385 as_bad (_("bad or irreducible absolute expression; zero assumed"));
6386 exp.X_add_number = 0;
6387 seg = absolute_section;
6389 S_SET_VALUE (symbol, (unsigned int) exp.X_add_number);
6390 S_SET_SEGMENT (symbol, seg);
6396 as_bad (_(".REG must use a label"));
6398 as_bad (_(".EQU must use a label"));
6401 pa_undefine_label ();
6402 demand_empty_rest_of_line ();
6406 /* Mark the end of a function so that it's possible to compute
6407 the size of the function in elf_hppa_final_processing. */
6410 hppa_elf_mark_end_of_function (void)
6412 /* ELF does not have EXIT relocations. All we do is create a
6413 temporary symbol marking the end of the function. */
6417 if (last_call_info == NULL || last_call_info->start_symbol == NULL)
6419 /* We have already warned about a missing label,
6420 or other problems. */
6424 name = concat ("L$\001end_", S_GET_NAME (last_call_info->start_symbol),
6427 /* If we have a .exit followed by a .procend, then the
6428 symbol will have already been defined. */
6429 symbolP = symbol_find (name);
6432 /* The symbol has already been defined! This can
6433 happen if we have a .exit followed by a .procend.
6435 This is *not* an error. All we want to do is free
6436 the memory we just allocated for the name and continue. */
6441 /* symbol value should be the offset of the
6442 last instruction of the function */
6443 symbolP = symbol_new (name, now_seg, (valueT) (frag_now_fix () - 4),
6446 gas_assert (symbolP);
6447 S_CLEAR_EXTERNAL (symbolP);
6448 symbol_table_insert (symbolP);
6452 last_call_info->end_symbol = symbolP;
6454 as_bad (_("Symbol '%s' could not be created."), name);
6458 /* Helper function. Does processing for the end of a function. This
6459 usually involves creating some relocations or building special
6460 symbols to mark the end of the function. */
6467 where = frag_more (0);
6470 /* Mark the end of the function, stuff away the location of the frag
6471 for the end of the function, and finally call pa_build_unwind_subspace
6472 to add an entry in the unwind table. */
6474 hppa_elf_mark_end_of_function ();
6475 pa_build_unwind_subspace (last_call_info);
6477 /* SOM defers building of unwind descriptors until the link phase.
6478 The assembler is responsible for creating an R_ENTRY relocation
6479 to mark the beginning of a region and hold the unwind bits, and
6480 for creating an R_EXIT relocation to mark the end of the region.
6482 FIXME. ELF should be using the same conventions! The problem
6483 is an unwind requires too much relocation space. Hmmm. Maybe
6484 if we split the unwind bits up between the relocations which
6485 denote the entry and exit points. */
6486 fix_new_hppa (frag_now, where - frag_now->fr_literal, 0,
6488 NULL, 0, R_HPPA_EXIT, e_fsel, 0, 0,
6489 UNWIND_HIGH32 (&last_call_info->ci_unwind.descriptor));
6493 /* Process a .EXIT pseudo-op. */
6496 pa_exit (int unused ATTRIBUTE_UNUSED)
6499 /* We must have a valid space and subspace. */
6500 pa_check_current_space_and_subspace ();
6503 if (!within_procedure)
6504 as_bad (_(".EXIT must appear within a procedure"));
6507 if (!callinfo_found)
6508 as_bad (_("Missing .callinfo"));
6511 if (!within_entry_exit)
6512 as_bad (_("No .ENTRY for this .EXIT"));
6515 within_entry_exit = FALSE;
6520 demand_empty_rest_of_line ();
6523 /* Helper function to process arguments to a .EXPORT pseudo-op. */
6526 pa_type_args (symbolS *symbolP, int is_export)
6529 unsigned int temp, arg_reloc;
6530 pa_symbol_type type = SYMBOL_TYPE_UNKNOWN;
6531 asymbol *bfdsym = symbol_get_bfdsym (symbolP);
6533 if (strncasecmp (input_line_pointer, "absolute", 8) == 0)
6535 input_line_pointer += 8;
6536 bfdsym->flags &= ~BSF_FUNCTION;
6537 S_SET_SEGMENT (symbolP, bfd_abs_section_ptr);
6538 type = SYMBOL_TYPE_ABSOLUTE;
6540 else if (strncasecmp (input_line_pointer, "code", 4) == 0)
6542 input_line_pointer += 4;
6543 /* IMPORTing/EXPORTing CODE types for functions is meaningless for SOM,
6544 instead one should be IMPORTing/EXPORTing ENTRY types.
6546 Complain if one tries to EXPORT a CODE type since that's never
6547 done. Both GCC and HP C still try to IMPORT CODE types, so
6548 silently fix them to be ENTRY types. */
6549 if (S_IS_FUNCTION (symbolP))
6552 as_tsktsk (_("Using ENTRY rather than CODE in export directive for %s"),
6553 S_GET_NAME (symbolP));
6555 bfdsym->flags |= BSF_FUNCTION;
6556 type = SYMBOL_TYPE_ENTRY;
6560 bfdsym->flags &= ~BSF_FUNCTION;
6561 type = SYMBOL_TYPE_CODE;
6564 else if (strncasecmp (input_line_pointer, "data", 4) == 0)
6566 input_line_pointer += 4;
6567 bfdsym->flags &= ~BSF_FUNCTION;
6568 bfdsym->flags |= BSF_OBJECT;
6569 type = SYMBOL_TYPE_DATA;
6571 else if ((strncasecmp (input_line_pointer, "entry", 5) == 0))
6573 input_line_pointer += 5;
6574 bfdsym->flags |= BSF_FUNCTION;
6575 type = SYMBOL_TYPE_ENTRY;
6577 else if (strncasecmp (input_line_pointer, "millicode", 9) == 0)
6579 input_line_pointer += 9;
6580 bfdsym->flags |= BSF_FUNCTION;
6583 elf_symbol_type *elfsym = (elf_symbol_type *) bfdsym;
6584 elfsym->internal_elf_sym.st_info =
6585 ELF_ST_INFO (ELF_ST_BIND (elfsym->internal_elf_sym.st_info),
6589 type = SYMBOL_TYPE_MILLICODE;
6591 else if (strncasecmp (input_line_pointer, "plabel", 6) == 0)
6593 input_line_pointer += 6;
6594 bfdsym->flags &= ~BSF_FUNCTION;
6595 type = SYMBOL_TYPE_PLABEL;
6597 else if (strncasecmp (input_line_pointer, "pri_prog", 8) == 0)
6599 input_line_pointer += 8;
6600 bfdsym->flags |= BSF_FUNCTION;
6601 type = SYMBOL_TYPE_PRI_PROG;
6603 else if (strncasecmp (input_line_pointer, "sec_prog", 8) == 0)
6605 input_line_pointer += 8;
6606 bfdsym->flags |= BSF_FUNCTION;
6607 type = SYMBOL_TYPE_SEC_PROG;
6610 /* SOM requires much more information about symbol types
6611 than BFD understands. This is how we get this information
6612 to the SOM BFD backend. */
6613 #ifdef obj_set_symbol_type
6614 obj_set_symbol_type (bfdsym, (int) type);
6619 /* Now that the type of the exported symbol has been handled,
6620 handle any argument relocation information. */
6621 while (!is_end_of_statement ())
6623 if (*input_line_pointer == ',')
6624 input_line_pointer++;
6625 c = get_symbol_name (&name);
6626 /* Argument sources. */
6627 if ((strncasecmp (name, "argw", 4) == 0))
6629 (void) restore_line_pointer (c);
6630 input_line_pointer++;
6631 temp = atoi (name + 4);
6632 c = get_symbol_name (&name);
6633 arg_reloc = pa_align_arg_reloc (temp, pa_build_arg_reloc (name));
6634 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6635 symbol_arg_reloc_info (symbolP) |= arg_reloc;
6639 (void) restore_line_pointer (c);
6641 /* The return value. */
6642 else if ((strncasecmp (name, "rtnval", 6)) == 0)
6644 (void) restore_line_pointer (c);
6645 input_line_pointer++;
6646 c = get_symbol_name (&name);
6647 arg_reloc = pa_build_arg_reloc (name);
6648 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6649 symbol_arg_reloc_info (symbolP) |= arg_reloc;
6653 (void) restore_line_pointer (c);
6655 /* Privilege level. */
6656 else if ((strncasecmp (name, "priv_lev", 8)) == 0)
6660 (void) restore_line_pointer (c);
6661 input_line_pointer++;
6662 temp = atoi (input_line_pointer);
6664 ((obj_symbol_type *) bfdsym)->tc_data.ap.hppa_priv_level = temp;
6666 c = get_symbol_name (&priv);
6667 (void) restore_line_pointer (c);
6671 as_bad (_("Undefined .EXPORT/.IMPORT argument (ignored): %s"), name);
6672 (void) restore_line_pointer (c);
6675 if (!is_end_of_statement ())
6676 input_line_pointer++;
6680 /* Process a .EXPORT directive. This makes functions external
6681 and provides information such as argument relocation entries
6685 pa_export (int unused ATTRIBUTE_UNUSED)
6690 c = get_symbol_name (&name);
6691 /* Make sure the given symbol exists. */
6692 if ((symbol = symbol_find_or_make (name)) == NULL)
6694 as_bad (_("Cannot define export symbol: %s\n"), name);
6695 restore_line_pointer (c);
6696 input_line_pointer++;
6700 /* OK. Set the external bits and process argument relocations.
6701 For the HP, weak and global are not mutually exclusive.
6702 S_SET_EXTERNAL will not set BSF_GLOBAL if WEAK is set.
6703 Call S_SET_EXTERNAL to get the other processing. Manually
6704 set BSF_GLOBAL when we get back. */
6705 S_SET_EXTERNAL (symbol);
6706 symbol_get_bfdsym (symbol)->flags |= BSF_GLOBAL;
6707 (void) restore_line_pointer (c);
6708 if (!is_end_of_statement ())
6710 input_line_pointer++;
6711 pa_type_args (symbol, 1);
6715 demand_empty_rest_of_line ();
6718 /* Handle an .IMPORT pseudo-op. Any symbol referenced in a given
6719 assembly file must either be defined in the assembly file, or
6720 explicitly IMPORTED from another. */
6723 pa_import (int unused ATTRIBUTE_UNUSED)
6728 c = get_symbol_name (&name);
6730 symbol = symbol_find (name);
6731 /* Ugh. We might be importing a symbol defined earlier in the file,
6732 in which case all the code below will really screw things up
6733 (set the wrong segment, symbol flags & type, etc). */
6734 if (symbol == NULL || !S_IS_DEFINED (symbol))
6736 symbol = symbol_find_or_make (name);
6737 (void) restore_line_pointer (c);
6739 if (!is_end_of_statement ())
6741 input_line_pointer++;
6742 pa_type_args (symbol, 0);
6746 /* Sigh. To be compatible with the HP assembler and to help
6747 poorly written assembly code, we assign a type based on
6748 the current segment. Note only BSF_FUNCTION really
6749 matters, we do not need to set the full SYMBOL_TYPE_* info. */
6750 if (now_seg == text_section)
6751 symbol_get_bfdsym (symbol)->flags |= BSF_FUNCTION;
6753 /* If the section is undefined, then the symbol is undefined
6754 Since this is an import, leave the section undefined. */
6755 S_SET_SEGMENT (symbol, bfd_und_section_ptr);
6760 /* The symbol was already defined. Just eat everything up to
6761 the end of the current statement. */
6762 while (!is_end_of_statement ())
6763 input_line_pointer++;
6766 demand_empty_rest_of_line ();
6769 /* Handle a .LABEL pseudo-op. */
6772 pa_label (int unused ATTRIBUTE_UNUSED)
6776 c = get_symbol_name (&name);
6778 if (strlen (name) > 0)
6781 (void) restore_line_pointer (c);
6785 as_warn (_("Missing label name on .LABEL"));
6788 if (!is_end_of_statement ())
6790 as_warn (_("extra .LABEL arguments ignored."));
6791 ignore_rest_of_line ();
6793 demand_empty_rest_of_line ();
6796 /* Handle a .LEAVE pseudo-op. This is not supported yet. */
6799 pa_leave (int unused ATTRIBUTE_UNUSED)
6802 /* We must have a valid space and subspace. */
6803 pa_check_current_space_and_subspace ();
6806 as_bad (_("The .LEAVE pseudo-op is not supported"));
6807 demand_empty_rest_of_line ();
6810 /* Handle a .LEVEL pseudo-op. */
6813 pa_level (int unused ATTRIBUTE_UNUSED)
6817 level = input_line_pointer;
6818 if (strncmp (level, "1.0", 3) == 0)
6820 input_line_pointer += 3;
6821 if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, 10))
6822 as_warn (_("could not set architecture and machine"));
6824 else if (strncmp (level, "1.1", 3) == 0)
6826 input_line_pointer += 3;
6827 if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, 11))
6828 as_warn (_("could not set architecture and machine"));
6830 else if (strncmp (level, "2.0w", 4) == 0)
6832 input_line_pointer += 4;
6833 if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, 25))
6834 as_warn (_("could not set architecture and machine"));
6836 else if (strncmp (level, "2.0", 3) == 0)
6838 input_line_pointer += 3;
6839 if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, 20))
6840 as_warn (_("could not set architecture and machine"));
6844 as_bad (_("Unrecognized .LEVEL argument\n"));
6845 ignore_rest_of_line ();
6847 demand_empty_rest_of_line ();
6850 /* Handle a .ORIGIN pseudo-op. */
6853 pa_origin (int unused ATTRIBUTE_UNUSED)
6856 /* We must have a valid space and subspace. */
6857 pa_check_current_space_and_subspace ();
6861 pa_undefine_label ();
6864 /* Handle a .PARAM pseudo-op. This is much like a .EXPORT, except it
6865 is for static functions. FIXME. Should share more code with .EXPORT. */
6868 pa_param (int unused ATTRIBUTE_UNUSED)
6873 c = get_symbol_name (&name);
6875 if ((symbol = symbol_find_or_make (name)) == NULL)
6877 as_bad (_("Cannot define static symbol: %s\n"), name);
6878 (void) restore_line_pointer (c);
6879 input_line_pointer++;
6883 S_CLEAR_EXTERNAL (symbol);
6884 (void) restore_line_pointer (c);
6885 if (!is_end_of_statement ())
6887 input_line_pointer++;
6888 pa_type_args (symbol, 0);
6892 demand_empty_rest_of_line ();
6895 /* Handle a .PROC pseudo-op. It is used to mark the beginning
6896 of a procedure from a syntactical point of view. */
6899 pa_proc (int unused ATTRIBUTE_UNUSED)
6901 struct call_info *call_info;
6904 /* We must have a valid space and subspace. */
6905 pa_check_current_space_and_subspace ();
6908 if (within_procedure)
6909 as_fatal (_("Nested procedures"));
6911 /* Reset global variables for new procedure. */
6912 callinfo_found = FALSE;
6913 within_procedure = TRUE;
6915 /* Create another call_info structure. */
6916 call_info = XNEW (struct call_info);
6919 as_fatal (_("Cannot allocate unwind descriptor\n"));
6921 memset (call_info, 0, sizeof (struct call_info));
6923 call_info->ci_next = NULL;
6925 if (call_info_root == NULL)
6927 call_info_root = call_info;
6928 last_call_info = call_info;
6932 last_call_info->ci_next = call_info;
6933 last_call_info = call_info;
6936 /* set up defaults on call_info structure */
6938 call_info->ci_unwind.descriptor.cannot_unwind = 0;
6939 call_info->ci_unwind.descriptor.region_desc = 1;
6940 call_info->ci_unwind.descriptor.hpux_interrupt_marker = 0;
6942 /* If we got a .PROC pseudo-op, we know that the function is defined
6943 locally. Make sure it gets into the symbol table. */
6945 label_symbol_struct *label_symbol = pa_get_label ();
6949 if (label_symbol->lss_label)
6951 last_call_info->start_symbol = label_symbol->lss_label;
6952 symbol_get_bfdsym (label_symbol->lss_label)->flags |= BSF_FUNCTION;
6955 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
6958 last_call_info->start_symbol = NULL;
6961 demand_empty_rest_of_line ();
6964 /* Process the syntactical end of a procedure. Make sure all the
6965 appropriate pseudo-ops were found within the procedure. */
6968 pa_procend (int unused ATTRIBUTE_UNUSED)
6971 /* We must have a valid space and subspace. */
6972 pa_check_current_space_and_subspace ();
6975 /* If we are within a procedure definition, make sure we've
6976 defined a label for the procedure; handle case where the
6977 label was defined after the .PROC directive.
6979 Note there's not need to diddle with the segment or fragment
6980 for the label symbol in this case. We have already switched
6981 into the new $CODE$ subspace at this point. */
6982 if (within_procedure && last_call_info->start_symbol == NULL)
6984 label_symbol_struct *label_symbol = pa_get_label ();
6988 if (label_symbol->lss_label)
6990 last_call_info->start_symbol = label_symbol->lss_label;
6991 symbol_get_bfdsym (label_symbol->lss_label)->flags
6994 /* Also handle allocation of a fixup to hold the unwind
6995 information when the label appears after the proc/procend. */
6996 if (within_entry_exit)
7001 where = frag_more (0);
7002 u = UNWIND_LOW32 (&last_call_info->ci_unwind.descriptor);
7003 fix_new_hppa (frag_now, where - frag_now->fr_literal, 0,
7004 NULL, (offsetT) 0, NULL,
7005 0, R_HPPA_ENTRY, e_fsel, 0, 0, u);
7010 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7013 as_bad (_("Missing function name for .PROC"));
7016 if (!within_procedure)
7017 as_bad (_("misplaced .procend"));
7019 if (!callinfo_found)
7020 as_bad (_("Missing .callinfo for this procedure"));
7022 if (within_entry_exit)
7023 as_bad (_("Missing .EXIT for a .ENTRY"));
7026 /* ELF needs to mark the end of each function so that it can compute
7027 the size of the function (apparently it's needed in the symbol table). */
7028 hppa_elf_mark_end_of_function ();
7031 within_procedure = FALSE;
7032 demand_empty_rest_of_line ();
7033 pa_undefine_label ();
7037 /* If VALUE is an exact power of two between zero and 2^31, then
7038 return log2 (VALUE). Else return -1. */
7041 exact_log2 (int value)
7045 while ((1 << shift) != value && shift < 32)
7054 /* Check to make sure we have a valid space and subspace. */
7057 pa_check_current_space_and_subspace (void)
7059 if (current_space == NULL)
7060 as_fatal (_("Not in a space.\n"));
7062 if (current_subspace == NULL)
7063 as_fatal (_("Not in a subspace.\n"));
7066 /* Parse the parameters to a .SPACE directive; if CREATE_FLAG is nonzero,
7067 then create a new space entry to hold the information specified
7068 by the parameters to the .SPACE directive. */
7070 static sd_chain_struct *
7071 pa_parse_space_stmt (const char *space_name, int create_flag)
7073 char *name, *ptemp, c;
7074 char loadable, defined, private, sort;
7076 asection *seg = NULL;
7077 sd_chain_struct *space;
7079 /* Load default values. */
7085 if (strcmp (space_name, "$TEXT$") == 0)
7087 seg = pa_def_spaces[0].segment;
7088 defined = pa_def_spaces[0].defined;
7089 private = pa_def_spaces[0].private;
7090 sort = pa_def_spaces[0].sort;
7091 spnum = pa_def_spaces[0].spnum;
7093 else if (strcmp (space_name, "$PRIVATE$") == 0)
7095 seg = pa_def_spaces[1].segment;
7096 defined = pa_def_spaces[1].defined;
7097 private = pa_def_spaces[1].private;
7098 sort = pa_def_spaces[1].sort;
7099 spnum = pa_def_spaces[1].spnum;
7102 if (!is_end_of_statement ())
7104 print_errors = FALSE;
7105 ptemp = input_line_pointer + 1;
7106 /* First see if the space was specified as a number rather than
7107 as a name. According to the PA assembly manual the rest of
7108 the line should be ignored. */
7110 pa_parse_number (&ptemp, 0);
7114 input_line_pointer = ptemp;
7118 while (!is_end_of_statement ())
7120 input_line_pointer++;
7121 c = get_symbol_name (&name);
7122 if ((strncasecmp (name, "spnum", 5) == 0))
7124 (void) restore_line_pointer (c);
7125 input_line_pointer++;
7126 spnum = get_absolute_expression ();
7128 else if ((strncasecmp (name, "sort", 4) == 0))
7130 (void) restore_line_pointer (c);
7131 input_line_pointer++;
7132 sort = get_absolute_expression ();
7134 else if ((strncasecmp (name, "unloadable", 10) == 0))
7136 (void) restore_line_pointer (c);
7139 else if ((strncasecmp (name, "notdefined", 10) == 0))
7141 (void) restore_line_pointer (c);
7144 else if ((strncasecmp (name, "private", 7) == 0))
7146 (void) restore_line_pointer (c);
7151 as_bad (_("Invalid .SPACE argument"));
7152 (void) restore_line_pointer (c);
7153 if (!is_end_of_statement ())
7154 input_line_pointer++;
7158 print_errors = TRUE;
7161 if (create_flag && seg == NULL)
7162 seg = subseg_new (space_name, 0);
7164 /* If create_flag is nonzero, then create the new space with
7165 the attributes computed above. Else set the values in
7166 an already existing space -- this can only happen for
7167 the first occurrence of a built-in space. */
7169 space = create_new_space (space_name, spnum, loadable, defined,
7170 private, sort, seg, 1);
7173 space = is_defined_space (space_name);
7174 SPACE_SPNUM (space) = spnum;
7175 SPACE_DEFINED (space) = defined & 1;
7176 SPACE_USER_DEFINED (space) = 1;
7179 #ifdef obj_set_section_attributes
7180 obj_set_section_attributes (seg, defined, private, sort, spnum);
7186 /* Handle a .SPACE pseudo-op; this switches the current space to the
7187 given space, creating the new space if necessary. */
7190 pa_space (int unused ATTRIBUTE_UNUSED)
7192 char *name, c, *space_name, *save_s;
7193 sd_chain_struct *sd_chain;
7195 if (within_procedure)
7197 as_bad (_("Can\'t change spaces within a procedure definition. Ignored"));
7198 ignore_rest_of_line ();
7202 /* Check for some of the predefined spaces. FIXME: most of the code
7203 below is repeated several times, can we extract the common parts
7204 and place them into a subroutine or something similar? */
7205 /* FIXME Is this (and the next IF stmt) really right?
7206 What if INPUT_LINE_POINTER points to "$TEXT$FOO"? */
7207 if (strncmp (input_line_pointer, "$TEXT$", 6) == 0)
7209 input_line_pointer += 6;
7210 sd_chain = is_defined_space ("$TEXT$");
7211 if (sd_chain == NULL)
7212 sd_chain = pa_parse_space_stmt ("$TEXT$", 1);
7213 else if (SPACE_USER_DEFINED (sd_chain) == 0)
7214 sd_chain = pa_parse_space_stmt ("$TEXT$", 0);
7216 current_space = sd_chain;
7217 subseg_set (text_section, sd_chain->sd_last_subseg);
7219 = pa_subsegment_to_subspace (text_section,
7220 sd_chain->sd_last_subseg);
7221 demand_empty_rest_of_line ();
7224 if (strncmp (input_line_pointer, "$PRIVATE$", 9) == 0)
7226 input_line_pointer += 9;
7227 sd_chain = is_defined_space ("$PRIVATE$");
7228 if (sd_chain == NULL)
7229 sd_chain = pa_parse_space_stmt ("$PRIVATE$", 1);
7230 else if (SPACE_USER_DEFINED (sd_chain) == 0)
7231 sd_chain = pa_parse_space_stmt ("$PRIVATE$", 0);
7233 current_space = sd_chain;
7234 subseg_set (data_section, sd_chain->sd_last_subseg);
7236 = pa_subsegment_to_subspace (data_section,
7237 sd_chain->sd_last_subseg);
7238 demand_empty_rest_of_line ();
7241 if (!strncasecmp (input_line_pointer,
7242 GDB_DEBUG_SPACE_NAME,
7243 strlen (GDB_DEBUG_SPACE_NAME)))
7245 input_line_pointer += strlen (GDB_DEBUG_SPACE_NAME);
7246 sd_chain = is_defined_space (GDB_DEBUG_SPACE_NAME);
7247 if (sd_chain == NULL)
7248 sd_chain = pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME, 1);
7249 else if (SPACE_USER_DEFINED (sd_chain) == 0)
7250 sd_chain = pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME, 0);
7252 current_space = sd_chain;
7255 asection *gdb_section
7256 = bfd_make_section_old_way (stdoutput, GDB_DEBUG_SPACE_NAME);
7258 subseg_set (gdb_section, sd_chain->sd_last_subseg);
7260 = pa_subsegment_to_subspace (gdb_section,
7261 sd_chain->sd_last_subseg);
7263 demand_empty_rest_of_line ();
7267 /* It could be a space specified by number. */
7269 save_s = input_line_pointer;
7271 pa_parse_number (&input_line_pointer, 0);
7274 if ((sd_chain = pa_find_space_by_number (pa_number)))
7276 current_space = sd_chain;
7278 subseg_set (sd_chain->sd_seg, sd_chain->sd_last_subseg);
7280 = pa_subsegment_to_subspace (sd_chain->sd_seg,
7281 sd_chain->sd_last_subseg);
7282 demand_empty_rest_of_line ();
7287 /* Not a number, attempt to create a new space. */
7289 input_line_pointer = save_s;
7290 c = get_symbol_name (&name);
7291 space_name = xstrdup (name);
7292 (void) restore_line_pointer (c);
7294 sd_chain = pa_parse_space_stmt (space_name, 1);
7295 current_space = sd_chain;
7297 subseg_set (sd_chain->sd_seg, sd_chain->sd_last_subseg);
7298 current_subspace = pa_subsegment_to_subspace (sd_chain->sd_seg,
7299 sd_chain->sd_last_subseg);
7300 demand_empty_rest_of_line ();
7304 /* Switch to a new space. (I think). FIXME. */
7307 pa_spnum (int unused ATTRIBUTE_UNUSED)
7312 sd_chain_struct *space;
7314 c = get_symbol_name (&name);
7315 space = is_defined_space (name);
7319 md_number_to_chars (p, SPACE_SPNUM (space), 4);
7322 as_warn (_("Undefined space: '%s' Assuming space number = 0."), name);
7324 (void) restore_line_pointer (c);
7325 demand_empty_rest_of_line ();
7328 /* Handle a .SUBSPACE pseudo-op; this switches the current subspace to the
7329 given subspace, creating the new subspace if necessary.
7331 FIXME. Should mirror pa_space more closely, in particular how
7332 they're broken up into subroutines. */
7335 pa_subspace (int create_new)
7337 char *name, *ss_name, c;
7338 char loadable, code_only, comdat, common, dup_common, zero, sort;
7339 int i, access_ctr, space_index, alignment, quadrant, applicable, flags;
7340 sd_chain_struct *space;
7341 ssd_chain_struct *ssd;
7344 if (current_space == NULL)
7345 as_fatal (_("Must be in a space before changing or declaring subspaces.\n"));
7347 if (within_procedure)
7349 as_bad (_("Can\'t change subspaces within a procedure definition. Ignored"));
7350 ignore_rest_of_line ();
7354 c = get_symbol_name (&name);
7355 ss_name = xstrdup (name);
7356 (void) restore_line_pointer (c);
7358 /* Load default values. */
7371 space = current_space;
7375 ssd = is_defined_subspace (ss_name);
7376 /* Allow user to override the builtin attributes of subspaces. But
7377 only allow the attributes to be changed once! */
7378 if (ssd && SUBSPACE_DEFINED (ssd))
7380 subseg_set (ssd->ssd_seg, ssd->ssd_subseg);
7381 current_subspace = ssd;
7382 if (!is_end_of_statement ())
7383 as_warn (_("Parameters of an existing subspace can\'t be modified"));
7384 demand_empty_rest_of_line ();
7389 /* A new subspace. Load default values if it matches one of
7390 the builtin subspaces. */
7392 while (pa_def_subspaces[i].name)
7394 if (strcasecmp (pa_def_subspaces[i].name, ss_name) == 0)
7396 loadable = pa_def_subspaces[i].loadable;
7397 comdat = pa_def_subspaces[i].comdat;
7398 common = pa_def_subspaces[i].common;
7399 dup_common = pa_def_subspaces[i].dup_common;
7400 code_only = pa_def_subspaces[i].code_only;
7401 zero = pa_def_subspaces[i].zero;
7402 space_index = pa_def_subspaces[i].space_index;
7403 alignment = pa_def_subspaces[i].alignment;
7404 quadrant = pa_def_subspaces[i].quadrant;
7405 access_ctr = pa_def_subspaces[i].access;
7406 sort = pa_def_subspaces[i].sort;
7413 /* We should be working with a new subspace now. Fill in
7414 any information as specified by the user. */
7415 if (!is_end_of_statement ())
7417 input_line_pointer++;
7418 while (!is_end_of_statement ())
7420 c = get_symbol_name (&name);
7421 if ((strncasecmp (name, "quad", 4) == 0))
7423 (void) restore_line_pointer (c);
7424 input_line_pointer++;
7425 quadrant = get_absolute_expression ();
7427 else if ((strncasecmp (name, "align", 5) == 0))
7429 (void) restore_line_pointer (c);
7430 input_line_pointer++;
7431 alignment = get_absolute_expression ();
7432 if (exact_log2 (alignment) == -1)
7434 as_bad (_("Alignment must be a power of 2"));
7438 else if ((strncasecmp (name, "access", 6) == 0))
7440 (void) restore_line_pointer (c);
7441 input_line_pointer++;
7442 access_ctr = get_absolute_expression ();
7444 else if ((strncasecmp (name, "sort", 4) == 0))
7446 (void) restore_line_pointer (c);
7447 input_line_pointer++;
7448 sort = get_absolute_expression ();
7450 else if ((strncasecmp (name, "code_only", 9) == 0))
7452 (void) restore_line_pointer (c);
7455 else if ((strncasecmp (name, "unloadable", 10) == 0))
7457 (void) restore_line_pointer (c);
7460 else if ((strncasecmp (name, "comdat", 6) == 0))
7462 (void) restore_line_pointer (c);
7465 else if ((strncasecmp (name, "common", 6) == 0))
7467 (void) restore_line_pointer (c);
7470 else if ((strncasecmp (name, "dup_comm", 8) == 0))
7472 (void) restore_line_pointer (c);
7475 else if ((strncasecmp (name, "zero", 4) == 0))
7477 (void) restore_line_pointer (c);
7480 else if ((strncasecmp (name, "first", 5) == 0))
7481 as_bad (_("FIRST not supported as a .SUBSPACE argument"));
7483 as_bad (_("Invalid .SUBSPACE argument"));
7485 if (!is_end_of_statement ())
7486 input_line_pointer++;
7490 /* Compute a reasonable set of BFD flags based on the information
7491 in the .subspace directive. */
7492 applicable = bfd_applicable_section_flags (stdoutput);
7495 flags |= (SEC_ALLOC | SEC_LOAD);
7499 /* These flags are used to implement various flavors of initialized
7500 common. The SOM linker discards duplicate subspaces when they
7501 have the same "key" symbol name. This support is more like
7502 GNU linkonce than BFD common. Further, pc-relative relocations
7503 are converted to section relative relocations in BFD common
7504 sections. This complicates the handling of relocations in
7505 common sections containing text and isn't currently supported
7506 correctly in the SOM BFD backend. */
7507 if (comdat || common || dup_common)
7508 flags |= SEC_LINK_ONCE;
7510 flags |= SEC_RELOC | SEC_HAS_CONTENTS;
7512 /* This is a zero-filled subspace (eg BSS). */
7514 flags &= ~(SEC_LOAD | SEC_HAS_CONTENTS);
7516 applicable &= flags;
7518 /* If this is an existing subspace, then we want to use the
7519 segment already associated with the subspace.
7521 FIXME NOW! ELF BFD doesn't appear to be ready to deal with
7522 lots of sections. It might be a problem in the PA ELF
7523 code, I do not know yet. For now avoid creating anything
7524 but the "standard" sections for ELF. */
7526 section = subseg_force_new (ss_name, 0);
7528 section = ssd->ssd_seg;
7530 section = subseg_new (ss_name, 0);
7533 seg_info (section)->bss = 1;
7535 /* Now set the flags. */
7536 bfd_set_section_flags (stdoutput, section, applicable);
7538 /* Record any alignment request for this section. */
7539 record_alignment (section, exact_log2 (alignment));
7541 /* Set the starting offset for this section. */
7542 bfd_set_section_vma (stdoutput, section,
7543 pa_subspace_start (space, quadrant));
7545 /* Now that all the flags are set, update an existing subspace,
7546 or create a new one. */
7549 current_subspace = update_subspace (space, ss_name, loadable,
7550 code_only, comdat, common,
7551 dup_common, sort, zero, access_ctr,
7552 space_index, alignment, quadrant,
7555 current_subspace = create_new_subspace (space, ss_name, loadable,
7556 code_only, comdat, common,
7557 dup_common, zero, sort,
7558 access_ctr, space_index,
7559 alignment, quadrant, section);
7561 demand_empty_rest_of_line ();
7562 current_subspace->ssd_seg = section;
7563 subseg_set (current_subspace->ssd_seg, current_subspace->ssd_subseg);
7565 SUBSPACE_DEFINED (current_subspace) = 1;
7568 /* Create default space and subspace dictionaries. */
7571 pa_spaces_begin (void)
7575 space_dict_root = NULL;
7576 space_dict_last = NULL;
7579 while (pa_def_spaces[i].name)
7583 /* Pick the right name to use for the new section. */
7584 name = pa_def_spaces[i].name;
7586 pa_def_spaces[i].segment = subseg_new (name, 0);
7587 create_new_space (pa_def_spaces[i].name, pa_def_spaces[i].spnum,
7588 pa_def_spaces[i].loadable, pa_def_spaces[i].defined,
7589 pa_def_spaces[i].private, pa_def_spaces[i].sort,
7590 pa_def_spaces[i].segment, 0);
7595 while (pa_def_subspaces[i].name)
7598 int applicable, subsegment;
7599 asection *segment = NULL;
7600 sd_chain_struct *space;
7602 /* Pick the right name for the new section and pick the right
7603 subsegment number. */
7604 name = pa_def_subspaces[i].name;
7607 /* Create the new section. */
7608 segment = subseg_new (name, subsegment);
7610 /* For SOM we want to replace the standard .text, .data, and .bss
7611 sections with our own. We also want to set BFD flags for
7612 all the built-in subspaces. */
7613 if (!strcmp (pa_def_subspaces[i].name, "$CODE$"))
7615 text_section = segment;
7616 applicable = bfd_applicable_section_flags (stdoutput);
7617 bfd_set_section_flags (stdoutput, segment,
7618 applicable & (SEC_ALLOC | SEC_LOAD
7619 | SEC_RELOC | SEC_CODE
7621 | SEC_HAS_CONTENTS));
7623 else if (!strcmp (pa_def_subspaces[i].name, "$DATA$"))
7625 data_section = segment;
7626 applicable = bfd_applicable_section_flags (stdoutput);
7627 bfd_set_section_flags (stdoutput, segment,
7628 applicable & (SEC_ALLOC | SEC_LOAD
7630 | SEC_HAS_CONTENTS));
7633 else if (!strcmp (pa_def_subspaces[i].name, "$BSS$"))
7635 bss_section = segment;
7636 applicable = bfd_applicable_section_flags (stdoutput);
7637 bfd_set_section_flags (stdoutput, segment,
7638 applicable & SEC_ALLOC);
7640 else if (!strcmp (pa_def_subspaces[i].name, "$LIT$"))
7642 applicable = bfd_applicable_section_flags (stdoutput);
7643 bfd_set_section_flags (stdoutput, segment,
7644 applicable & (SEC_ALLOC | SEC_LOAD
7647 | SEC_HAS_CONTENTS));
7649 else if (!strcmp (pa_def_subspaces[i].name, "$MILLICODE$"))
7651 applicable = bfd_applicable_section_flags (stdoutput);
7652 bfd_set_section_flags (stdoutput, segment,
7653 applicable & (SEC_ALLOC | SEC_LOAD
7656 | SEC_HAS_CONTENTS));
7658 else if (!strcmp (pa_def_subspaces[i].name, "$UNWIND$"))
7660 applicable = bfd_applicable_section_flags (stdoutput);
7661 bfd_set_section_flags (stdoutput, segment,
7662 applicable & (SEC_ALLOC | SEC_LOAD
7665 | SEC_HAS_CONTENTS));
7668 /* Find the space associated with this subspace. */
7669 space = pa_segment_to_space (pa_def_spaces[pa_def_subspaces[i].
7670 def_space_index].segment);
7673 as_fatal (_("Internal error: Unable to find containing space for %s."),
7674 pa_def_subspaces[i].name);
7677 create_new_subspace (space, name,
7678 pa_def_subspaces[i].loadable,
7679 pa_def_subspaces[i].code_only,
7680 pa_def_subspaces[i].comdat,
7681 pa_def_subspaces[i].common,
7682 pa_def_subspaces[i].dup_common,
7683 pa_def_subspaces[i].zero,
7684 pa_def_subspaces[i].sort,
7685 pa_def_subspaces[i].access,
7686 pa_def_subspaces[i].space_index,
7687 pa_def_subspaces[i].alignment,
7688 pa_def_subspaces[i].quadrant,
7694 /* Create a new space NAME, with the appropriate flags as defined
7695 by the given parameters. */
7697 static sd_chain_struct *
7698 create_new_space (const char *name,
7700 int loadable ATTRIBUTE_UNUSED,
7707 sd_chain_struct *chain_entry;
7709 chain_entry = XNEW (sd_chain_struct);
7710 SPACE_NAME (chain_entry) = xstrdup (name);
7711 SPACE_DEFINED (chain_entry) = defined;
7712 SPACE_USER_DEFINED (chain_entry) = user_defined;
7713 SPACE_SPNUM (chain_entry) = spnum;
7715 chain_entry->sd_seg = seg;
7716 chain_entry->sd_last_subseg = -1;
7717 chain_entry->sd_subspaces = NULL;
7718 chain_entry->sd_next = NULL;
7720 /* Find spot for the new space based on its sort key. */
7721 if (!space_dict_last)
7722 space_dict_last = chain_entry;
7724 if (space_dict_root == NULL)
7725 space_dict_root = chain_entry;
7728 sd_chain_struct *chain_pointer;
7729 sd_chain_struct *prev_chain_pointer;
7731 chain_pointer = space_dict_root;
7732 prev_chain_pointer = NULL;
7734 while (chain_pointer)
7736 prev_chain_pointer = chain_pointer;
7737 chain_pointer = chain_pointer->sd_next;
7740 /* At this point we've found the correct place to add the new
7741 entry. So add it and update the linked lists as appropriate. */
7742 if (prev_chain_pointer)
7744 chain_entry->sd_next = chain_pointer;
7745 prev_chain_pointer->sd_next = chain_entry;
7749 space_dict_root = chain_entry;
7750 chain_entry->sd_next = chain_pointer;
7753 if (chain_entry->sd_next == NULL)
7754 space_dict_last = chain_entry;
7757 /* This is here to catch predefined spaces which do not get
7758 modified by the user's input. Another call is found at
7759 the bottom of pa_parse_space_stmt to handle cases where
7760 the user modifies a predefined space. */
7761 #ifdef obj_set_section_attributes
7762 obj_set_section_attributes (seg, defined, private, sort, spnum);
7768 /* Create a new subspace NAME, with the appropriate flags as defined
7769 by the given parameters.
7771 Add the new subspace to the subspace dictionary chain in numerical
7772 order as defined by the SORT entries. */
7774 static ssd_chain_struct *
7775 create_new_subspace (sd_chain_struct *space,
7777 int loadable ATTRIBUTE_UNUSED,
7778 int code_only ATTRIBUTE_UNUSED,
7782 int is_zero ATTRIBUTE_UNUSED,
7785 int space_index ATTRIBUTE_UNUSED,
7786 int alignment ATTRIBUTE_UNUSED,
7790 ssd_chain_struct *chain_entry;
7792 chain_entry = XNEW (ssd_chain_struct);
7793 SUBSPACE_NAME (chain_entry) = xstrdup (name);
7795 /* Initialize subspace_defined. When we hit a .subspace directive
7796 we'll set it to 1 which "locks-in" the subspace attributes. */
7797 SUBSPACE_DEFINED (chain_entry) = 0;
7799 chain_entry->ssd_subseg = 0;
7800 chain_entry->ssd_seg = seg;
7801 chain_entry->ssd_next = NULL;
7803 /* Find spot for the new subspace based on its sort key. */
7804 if (space->sd_subspaces == NULL)
7805 space->sd_subspaces = chain_entry;
7808 ssd_chain_struct *chain_pointer;
7809 ssd_chain_struct *prev_chain_pointer;
7811 chain_pointer = space->sd_subspaces;
7812 prev_chain_pointer = NULL;
7814 while (chain_pointer)
7816 prev_chain_pointer = chain_pointer;
7817 chain_pointer = chain_pointer->ssd_next;
7820 /* Now we have somewhere to put the new entry. Insert it and update
7822 if (prev_chain_pointer)
7824 chain_entry->ssd_next = chain_pointer;
7825 prev_chain_pointer->ssd_next = chain_entry;
7829 space->sd_subspaces = chain_entry;
7830 chain_entry->ssd_next = chain_pointer;
7834 #ifdef obj_set_subsection_attributes
7835 obj_set_subsection_attributes (seg, space->sd_seg, access_ctr, sort,
7836 quadrant, comdat, common, dup_common);
7842 /* Update the information for the given subspace based upon the
7843 various arguments. Return the modified subspace chain entry. */
7845 static ssd_chain_struct *
7846 update_subspace (sd_chain_struct *space,
7848 int loadable ATTRIBUTE_UNUSED,
7849 int code_only ATTRIBUTE_UNUSED,
7854 int zero ATTRIBUTE_UNUSED,
7856 int space_index ATTRIBUTE_UNUSED,
7857 int alignment ATTRIBUTE_UNUSED,
7861 ssd_chain_struct *chain_entry;
7863 chain_entry = is_defined_subspace (name);
7865 #ifdef obj_set_subsection_attributes
7866 obj_set_subsection_attributes (section, space->sd_seg, access_ctr, sort,
7867 quadrant, comdat, common, dup_common);
7873 /* Return the space chain entry for the space with the name NAME or
7874 NULL if no such space exists. */
7876 static sd_chain_struct *
7877 is_defined_space (const char *name)
7879 sd_chain_struct *chain_pointer;
7881 for (chain_pointer = space_dict_root;
7883 chain_pointer = chain_pointer->sd_next)
7884 if (strcmp (SPACE_NAME (chain_pointer), name) == 0)
7885 return chain_pointer;
7887 /* No mapping from segment to space was found. Return NULL. */
7891 /* Find and return the space associated with the given seg. If no mapping
7892 from the given seg to a space is found, then return NULL.
7894 Unlike subspaces, the number of spaces is not expected to grow much,
7895 so a linear exhaustive search is OK here. */
7897 static sd_chain_struct *
7898 pa_segment_to_space (asection *seg)
7900 sd_chain_struct *space_chain;
7902 /* Walk through each space looking for the correct mapping. */
7903 for (space_chain = space_dict_root;
7905 space_chain = space_chain->sd_next)
7906 if (space_chain->sd_seg == seg)
7909 /* Mapping was not found. Return NULL. */
7913 /* Return the first space chain entry for the subspace with the name
7914 NAME or NULL if no such subspace exists.
7916 When there are multiple subspaces with the same name, switching to
7917 the first (i.e., default) subspace is preferable in most situations.
7918 For example, it wouldn't be desirable to merge COMDAT data with non
7921 Uses a linear search through all the spaces and subspaces, this may
7922 not be appropriate if we ever being placing each function in its
7925 static ssd_chain_struct *
7926 is_defined_subspace (const char *name)
7928 sd_chain_struct *space_chain;
7929 ssd_chain_struct *subspace_chain;
7931 /* Walk through each space. */
7932 for (space_chain = space_dict_root;
7934 space_chain = space_chain->sd_next)
7936 /* Walk through each subspace looking for a name which matches. */
7937 for (subspace_chain = space_chain->sd_subspaces;
7939 subspace_chain = subspace_chain->ssd_next)
7940 if (strcmp (SUBSPACE_NAME (subspace_chain), name) == 0)
7941 return subspace_chain;
7944 /* Subspace wasn't found. Return NULL. */
7948 /* Find and return the subspace associated with the given seg. If no
7949 mapping from the given seg to a subspace is found, then return NULL.
7951 If we ever put each procedure/function within its own subspace
7952 (to make life easier on the compiler and linker), then this will have
7953 to become more efficient. */
7955 static ssd_chain_struct *
7956 pa_subsegment_to_subspace (asection *seg, subsegT subseg)
7958 sd_chain_struct *space_chain;
7959 ssd_chain_struct *subspace_chain;
7961 /* Walk through each space. */
7962 for (space_chain = space_dict_root;
7964 space_chain = space_chain->sd_next)
7966 if (space_chain->sd_seg == seg)
7968 /* Walk through each subspace within each space looking for
7969 the correct mapping. */
7970 for (subspace_chain = space_chain->sd_subspaces;
7972 subspace_chain = subspace_chain->ssd_next)
7973 if (subspace_chain->ssd_subseg == (int) subseg)
7974 return subspace_chain;
7978 /* No mapping from subsegment to subspace found. Return NULL. */
7982 /* Given a number, try and find a space with the name number.
7984 Return a pointer to a space dictionary chain entry for the space
7985 that was found or NULL on failure. */
7987 static sd_chain_struct *
7988 pa_find_space_by_number (int number)
7990 sd_chain_struct *space_chain;
7992 for (space_chain = space_dict_root;
7994 space_chain = space_chain->sd_next)
7996 if (SPACE_SPNUM (space_chain) == (unsigned int) number)
8000 /* No appropriate space found. Return NULL. */
8004 /* Return the starting address for the given subspace. If the starting
8005 address is unknown then return zero. */
8008 pa_subspace_start (sd_chain_struct *space, int quadrant)
8010 /* FIXME. Assumes everyone puts read/write data at 0x4000000, this
8011 is not correct for the PA OSF1 port. */
8012 if ((strcmp (SPACE_NAME (space), "$PRIVATE$") == 0) && quadrant == 1)
8014 else if (space->sd_seg == data_section && quadrant == 1)
8022 /* Helper function for pa_stringer. Used to find the end of
8026 pa_stringer_aux (char *s)
8028 unsigned int c = *s & CHAR_MASK;
8041 /* Handle a .STRING type pseudo-op. */
8044 pa_stringer (int append_zero)
8046 char *s, num_buf[4];
8050 /* Preprocess the string to handle PA-specific escape sequences.
8051 For example, \xDD where DD is a hexadecimal number should be
8052 changed to \OOO where OOO is an octal number. */
8055 /* We must have a valid space and subspace. */
8056 pa_check_current_space_and_subspace ();
8059 /* Skip the opening quote. */
8060 s = input_line_pointer + 1;
8062 while (is_a_char (c = pa_stringer_aux (s++)))
8069 /* Handle \x<num>. */
8072 unsigned int number;
8077 /* Get past the 'x'. */
8079 for (num_digit = 0, number = 0, dg = *s;
8081 && (ISDIGIT (dg) || (dg >= 'a' && dg <= 'f')
8082 || (dg >= 'A' && dg <= 'F'));
8086 number = number * 16 + dg - '0';
8087 else if (dg >= 'a' && dg <= 'f')
8088 number = number * 16 + dg - 'a' + 10;
8090 number = number * 16 + dg - 'A' + 10;
8100 sprintf (num_buf, "%02o", number);
8103 sprintf (num_buf, "%03o", number);
8106 for (i = 0; i <= num_digit; i++)
8107 s_start[i] = num_buf[i];
8111 /* This might be a "\"", skip over the escaped char. */
8118 stringer (8 + append_zero);
8119 pa_undefine_label ();
8122 /* Handle a .VERSION pseudo-op. */
8125 pa_version (int unused ATTRIBUTE_UNUSED)
8128 pa_undefine_label ();
8133 /* Handle a .COMPILER pseudo-op. */
8136 pa_compiler (int unused ATTRIBUTE_UNUSED)
8138 obj_som_compiler (0);
8139 pa_undefine_label ();
8144 /* Handle a .COPYRIGHT pseudo-op. */
8147 pa_copyright (int unused ATTRIBUTE_UNUSED)
8150 pa_undefine_label ();
8153 /* Just like a normal cons, but when finished we have to undefine
8154 the latest space label. */
8157 pa_cons (int nbytes)
8160 pa_undefine_label ();
8163 /* Like float_cons, but we need to undefine our label. */
8166 pa_float_cons (int float_type)
8168 float_cons (float_type);
8169 pa_undefine_label ();
8172 /* Like s_fill, but delete our label when finished. */
8175 pa_fill (int unused ATTRIBUTE_UNUSED)
8178 /* We must have a valid space and subspace. */
8179 pa_check_current_space_and_subspace ();
8183 pa_undefine_label ();
8186 /* Like lcomm, but delete our label when finished. */
8189 pa_lcomm (int needs_align)
8192 /* We must have a valid space and subspace. */
8193 pa_check_current_space_and_subspace ();
8196 s_lcomm (needs_align);
8197 pa_undefine_label ();
8200 /* Like lsym, but delete our label when finished. */
8203 pa_lsym (int unused ATTRIBUTE_UNUSED)
8206 /* We must have a valid space and subspace. */
8207 pa_check_current_space_and_subspace ();
8211 pa_undefine_label ();
8214 /* This function is called once, at assembler startup time. It should
8215 set up all the tables, etc. that the MD part of the assembler will need. */
8220 const char *retval = NULL;
8224 last_call_info = NULL;
8225 call_info_root = NULL;
8227 /* Set the default machine type. */
8228 if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, DEFAULT_LEVEL))
8229 as_warn (_("could not set architecture and machine"));
8231 /* Folding of text and data segments fails miserably on the PA.
8232 Warn user and disable "-R" option. */
8233 if (flag_readonly_data_in_text)
8235 as_warn (_("-R option not supported on this target."));
8236 flag_readonly_data_in_text = 0;
8243 op_hash = hash_new ();
8245 while (i < NUMOPCODES)
8247 const char *name = pa_opcodes[i].name;
8249 retval = hash_insert (op_hash, name, (struct pa_opcode *) &pa_opcodes[i]);
8250 if (retval != NULL && *retval != '\0')
8252 as_fatal (_("Internal error: can't hash `%s': %s\n"), name, retval);
8258 if ((pa_opcodes[i].match & pa_opcodes[i].mask)
8259 != pa_opcodes[i].match)
8261 fprintf (stderr, _("internal error: losing opcode: `%s' \"%s\"\n"),
8262 pa_opcodes[i].name, pa_opcodes[i].args);
8267 while (i < NUMOPCODES && !strcmp (pa_opcodes[i].name, name));
8271 as_fatal (_("Broken assembler. No assembly attempted."));
8274 /* SOM will change text_section. To make sure we never put
8275 anything into the old one switch to the new one now. */
8276 subseg_set (text_section, 0);
8280 dummy_symbol = symbol_find_or_make ("L$dummy");
8281 S_SET_SEGMENT (dummy_symbol, text_section);
8282 /* Force the symbol to be converted to a real symbol. */
8283 symbol_get_bfdsym (dummy_symbol)->flags |= BSF_KEEP;
8287 /* On the PA relocations which involve function symbols must not be
8288 adjusted. This so that the linker can know when/how to create argument
8289 relocation stubs for indirect calls and calls to static functions.
8291 "T" field selectors create DLT relative fixups for accessing
8292 globals and statics in PIC code; each DLT relative fixup creates
8293 an entry in the DLT table. The entries contain the address of
8294 the final target (eg accessing "foo" would create a DLT entry
8295 with the address of "foo").
8297 Unfortunately, the HP linker doesn't take into account any addend
8298 when generating the DLT; so accessing $LIT$+8 puts the address of
8299 $LIT$ into the DLT rather than the address of $LIT$+8.
8301 The end result is we can't perform relocation symbol reductions for
8302 any fixup which creates entries in the DLT (eg they use "T" field
8305 ??? Reject reductions involving symbols with external scope; such
8306 reductions make life a living hell for object file editors. */
8309 hppa_fix_adjustable (fixS *fixp)
8314 struct hppa_fix_struct *hppa_fix;
8316 hppa_fix = (struct hppa_fix_struct *) fixp->tc_fix_data;
8319 /* LR/RR selectors are implicitly used for a number of different relocation
8320 types. We must ensure that none of these types are adjusted (see below)
8321 even if they occur with a different selector. */
8322 code = elf_hppa_reloc_final_type (stdoutput, fixp->fx_r_type,
8323 hppa_fix->fx_r_format,
8324 hppa_fix->fx_r_field);
8328 /* Relocation types which use e_lrsel. */
8329 case R_PARISC_DIR21L:
8330 case R_PARISC_DLTREL21L:
8331 case R_PARISC_DPREL21L:
8332 case R_PARISC_PLTOFF21L:
8334 /* Relocation types which use e_rrsel. */
8335 case R_PARISC_DIR14R:
8336 case R_PARISC_DIR14DR:
8337 case R_PARISC_DIR14WR:
8338 case R_PARISC_DIR17R:
8339 case R_PARISC_DLTREL14R:
8340 case R_PARISC_DLTREL14DR:
8341 case R_PARISC_DLTREL14WR:
8342 case R_PARISC_DPREL14R:
8343 case R_PARISC_DPREL14DR:
8344 case R_PARISC_DPREL14WR:
8345 case R_PARISC_PLTOFF14R:
8346 case R_PARISC_PLTOFF14DR:
8347 case R_PARISC_PLTOFF14WR:
8349 /* Other types that we reject for reduction. */
8350 case R_PARISC_GNU_VTENTRY:
8351 case R_PARISC_GNU_VTINHERIT:
8358 /* Reject reductions of symbols in sym1-sym2 expressions when
8359 the fixup will occur in a CODE subspace.
8361 XXX FIXME: Long term we probably want to reject all of these;
8362 for example reducing in the debug section would lose if we ever
8363 supported using the optimizing hp linker. */
8366 && (hppa_fix->segment->flags & SEC_CODE))
8369 /* We can't adjust any relocs that use LR% and RR% field selectors.
8371 If a symbol is reduced to a section symbol, the assembler will
8372 adjust the addend unless the symbol happens to reside right at
8373 the start of the section. Additionally, the linker has no choice
8374 but to manipulate the addends when coalescing input sections for
8375 "ld -r". Since an LR% field selector is defined to round the
8376 addend, we can't change the addend without risking that a LR% and
8377 it's corresponding (possible multiple) RR% field will no longer
8378 sum to the right value.
8381 . ldil LR%foo+0,%r21
8382 . ldw RR%foo+0(%r21),%r26
8383 . ldw RR%foo+4(%r21),%r25
8385 If foo is at address 4092 (decimal) in section `sect', then after
8386 reducing to the section symbol we get
8387 . LR%sect+4092 == (L%sect)+0
8388 . RR%sect+4092 == (R%sect)+4092
8389 . RR%sect+4096 == (R%sect)-4096
8390 and the last address loses because rounding the addend to 8k
8391 multiples takes us up to 8192 with an offset of -4096.
8393 In cases where the LR% expression is identical to the RR% one we
8394 will never have a problem, but is so happens that gcc rounds
8395 addends involved in LR% field selectors to work around a HP
8396 linker bug. ie. We often have addresses like the last case
8397 above where the LR% expression is offset from the RR% one. */
8399 if (hppa_fix->fx_r_field == e_lrsel
8400 || hppa_fix->fx_r_field == e_rrsel
8401 || hppa_fix->fx_r_field == e_nlrsel)
8404 /* Reject reductions of symbols in DLT relative relocs,
8405 relocations with plabels. */
8406 if (hppa_fix->fx_r_field == e_tsel
8407 || hppa_fix->fx_r_field == e_ltsel
8408 || hppa_fix->fx_r_field == e_rtsel
8409 || hppa_fix->fx_r_field == e_psel
8410 || hppa_fix->fx_r_field == e_rpsel
8411 || hppa_fix->fx_r_field == e_lpsel)
8414 /* Reject absolute calls (jumps). */
8415 if (hppa_fix->fx_r_type == R_HPPA_ABS_CALL)
8418 /* Reject reductions of function symbols. */
8419 if (fixp->fx_addsy != 0 && S_IS_FUNCTION (fixp->fx_addsy))
8425 /* Return nonzero if the fixup in FIXP will require a relocation,
8426 even it if appears that the fixup could be completely handled
8430 hppa_force_relocation (struct fix *fixp)
8432 struct hppa_fix_struct *hppa_fixp;
8434 hppa_fixp = (struct hppa_fix_struct *) fixp->tc_fix_data;
8436 if (fixp->fx_r_type == (int) R_HPPA_ENTRY
8437 || fixp->fx_r_type == (int) R_HPPA_EXIT
8438 || fixp->fx_r_type == (int) R_HPPA_BEGIN_BRTAB
8439 || fixp->fx_r_type == (int) R_HPPA_END_BRTAB
8440 || fixp->fx_r_type == (int) R_HPPA_BEGIN_TRY
8441 || fixp->fx_r_type == (int) R_HPPA_END_TRY
8442 || (fixp->fx_addsy != NULL && fixp->fx_subsy != NULL
8443 && (hppa_fixp->segment->flags & SEC_CODE) != 0))
8447 if (fixp->fx_r_type == (int) R_PARISC_GNU_VTINHERIT
8448 || fixp->fx_r_type == (int) R_PARISC_GNU_VTENTRY)
8452 gas_assert (fixp->fx_addsy != NULL);
8454 /* Ensure we emit a relocation for global symbols so that dynamic
8456 if (S_FORCE_RELOC (fixp->fx_addsy, 1))
8459 /* It is necessary to force PC-relative calls/jumps to have a relocation
8460 entry if they're going to need either an argument relocation or long
8463 && arg_reloc_stub_needed (symbol_arg_reloc_info (fixp->fx_addsy),
8464 hppa_fixp->fx_arg_reloc))
8467 /* Now check to see if we're going to need a long-branch stub. */
8468 if (fixp->fx_r_type == (int) R_HPPA_PCREL_CALL)
8470 long pc = md_pcrel_from (fixp);
8471 valueT distance, min_stub_distance;
8473 distance = fixp->fx_offset + S_GET_VALUE (fixp->fx_addsy) - pc - 8;
8475 /* Distance to the closest possible stub. This will detect most
8476 but not all circumstances where a stub will not work. */
8477 min_stub_distance = pc + 16;
8479 if (last_call_info != NULL)
8480 min_stub_distance -= S_GET_VALUE (last_call_info->start_symbol);
8483 if ((distance + 8388608 >= 16777216
8484 && min_stub_distance <= 8388608)
8485 || (hppa_fixp->fx_r_format == 17
8486 && distance + 262144 >= 524288
8487 && min_stub_distance <= 262144)
8488 || (hppa_fixp->fx_r_format == 12
8489 && distance + 8192 >= 16384
8490 && min_stub_distance <= 8192)
8495 if (fixp->fx_r_type == (int) R_HPPA_ABS_CALL)
8498 /* No need (yet) to force another relocations to be emitted. */
8502 /* Now for some ELF specific code. FIXME. */
8504 /* For ELF, this function serves one purpose: to setup the st_size
8505 field of STT_FUNC symbols. To do this, we need to scan the
8506 call_info structure list, determining st_size in by taking the
8507 difference in the address of the beginning/end marker symbols. */
8510 elf_hppa_final_processing (void)
8512 struct call_info *call_info_pointer;
8514 for (call_info_pointer = call_info_root;
8516 call_info_pointer = call_info_pointer->ci_next)
8518 elf_symbol_type *esym
8519 = ((elf_symbol_type *)
8520 symbol_get_bfdsym (call_info_pointer->start_symbol));
8521 esym->internal_elf_sym.st_size =
8522 S_GET_VALUE (call_info_pointer->end_symbol)
8523 - S_GET_VALUE (call_info_pointer->start_symbol) + 4;
8528 pa_vtable_entry (int ignore ATTRIBUTE_UNUSED)
8530 struct fix *new_fix;
8532 new_fix = obj_elf_get_vtable_entry ();
8536 struct hppa_fix_struct * hppa_fix = XOBNEW (¬es, struct hppa_fix_struct);
8538 hppa_fix->fx_r_type = R_HPPA;
8539 hppa_fix->fx_r_field = e_fsel;
8540 hppa_fix->fx_r_format = 32;
8541 hppa_fix->fx_arg_reloc = 0;
8542 hppa_fix->segment = now_seg;
8543 new_fix->tc_fix_data = (void *) hppa_fix;
8544 new_fix->fx_r_type = (int) R_PARISC_GNU_VTENTRY;
8549 pa_vtable_inherit (int ignore ATTRIBUTE_UNUSED)
8551 struct fix *new_fix;
8553 new_fix = obj_elf_get_vtable_inherit ();
8557 struct hppa_fix_struct * hppa_fix = XOBNEW (¬es, struct hppa_fix_struct);
8559 hppa_fix->fx_r_type = R_HPPA;
8560 hppa_fix->fx_r_field = e_fsel;
8561 hppa_fix->fx_r_format = 32;
8562 hppa_fix->fx_arg_reloc = 0;
8563 hppa_fix->segment = now_seg;
8564 new_fix->tc_fix_data = (void *) hppa_fix;
8565 new_fix->fx_r_type = (int) R_PARISC_GNU_VTINHERIT;
8570 /* Table of pseudo ops for the PA. FIXME -- how many of these
8571 are now redundant with the overall GAS and the object file
8572 dependent tables? */
8573 const pseudo_typeS md_pseudo_table[] =
8575 /* align pseudo-ops on the PA specify the actual alignment requested,
8576 not the log2 of the requested alignment. */
8578 {"align", pa_align, 8},
8581 {"align", s_align_bytes, 8},
8583 {"begin_brtab", pa_brtab, 1},
8584 {"begin_try", pa_try, 1},
8585 {"block", pa_block, 1},
8586 {"blockz", pa_block, 0},
8587 {"byte", pa_cons, 1},
8588 {"call", pa_call, 0},
8589 {"callinfo", pa_callinfo, 0},
8590 #if defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))
8591 {"code", obj_elf_text, 0},
8593 {"code", pa_text, 0},
8594 {"comm", pa_comm, 0},
8597 {"compiler", pa_compiler, 0},
8599 {"copyright", pa_copyright, 0},
8600 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
8601 {"data", pa_data, 0},
8603 {"double", pa_float_cons, 'd'},
8604 {"dword", pa_cons, 8},
8606 {"end_brtab", pa_brtab, 0},
8607 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
8608 {"end_try", pa_try, 0},
8610 {"enter", pa_enter, 0},
8611 {"entry", pa_entry, 0},
8613 {"exit", pa_exit, 0},
8614 {"export", pa_export, 0},
8615 {"fill", pa_fill, 0},
8616 {"float", pa_float_cons, 'f'},
8617 {"half", pa_cons, 2},
8618 {"import", pa_import, 0},
8619 {"int", pa_cons, 4},
8620 {"label", pa_label, 0},
8621 {"lcomm", pa_lcomm, 0},
8622 {"leave", pa_leave, 0},
8623 {"level", pa_level, 0},
8624 {"long", pa_cons, 4},
8625 {"lsym", pa_lsym, 0},
8627 {"nsubspa", pa_subspace, 1},
8629 {"octa", pa_cons, 16},
8630 {"org", pa_origin, 0},
8631 {"origin", pa_origin, 0},
8632 {"param", pa_param, 0},
8633 {"proc", pa_proc, 0},
8634 {"procend", pa_procend, 0},
8635 {"quad", pa_cons, 8},
8637 {"short", pa_cons, 2},
8638 {"single", pa_float_cons, 'f'},
8640 {"space", pa_space, 0},
8641 {"spnum", pa_spnum, 0},
8643 {"string", pa_stringer, 0},
8644 {"stringz", pa_stringer, 1},
8646 {"subspa", pa_subspace, 0},
8648 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
8649 {"text", pa_text, 0},
8651 {"version", pa_version, 0},
8653 {"vtable_entry", pa_vtable_entry, 0},
8654 {"vtable_inherit", pa_vtable_inherit, 0},
8656 {"word", pa_cons, 4},
8662 hppa_cfi_frame_initial_instructions (void)
8664 cfi_add_CFA_def_cfa (30, 0);
8668 hppa_regname_to_dw2regnum (char *regname)
8670 unsigned int regnum = -1;
8674 static struct { const char *name; int dw2regnum; } regnames[] =
8676 { "sp", 30 }, { "rp", 2 },
8679 for (i = 0; i < ARRAY_SIZE (regnames); ++i)
8680 if (strcmp (regnames[i].name, regname) == 0)
8681 return regnames[i].dw2regnum;
8683 if (regname[0] == 'r')
8686 regnum = strtoul (p, &q, 10);
8687 if (p == q || *q || regnum >= 32)
8690 else if (regname[0] == 'f' && regname[1] == 'r')
8693 regnum = strtoul (p, &q, 10);
8694 #if TARGET_ARCH_SIZE == 64
8695 if (p == q || *q || regnum <= 4 || regnum >= 32)
8700 || (*q && ((*q != 'L' && *q != 'R') || *(q + 1)))
8701 || regnum <= 4 || regnum >= 32)
8703 regnum = (regnum - 4) * 2 + 32;