1 /* tc-hppa.c -- Assemble for the PA
2 Copyright 1989, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
3 2002, 2003, 2004 Free Software Foundation, Inc.
5 This file is part of GAS, the GNU Assembler.
7 GAS is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GAS is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GAS; see the file COPYING. If not, write to the Free
19 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
22 /* HP PA-RISC support was contributed by the Center for Software Science
23 at the University of Utah. */
28 #include "safe-ctype.h"
31 #include "bfd/libhppa.h"
33 /* Be careful, this file includes data *declarations*. */
34 #include "opcode/hppa.h"
36 #if defined (OBJ_ELF) && defined (OBJ_SOM)
37 error only one of OBJ_ELF and OBJ_SOM can be defined
40 /* If we are using ELF, then we probably can support dwarf2 debug
41 records. Furthermore, if we are supporting dwarf2 debug records,
42 then we want to use the assembler support for compact line numbers. */
44 #include "dwarf2dbg.h"
46 /* A "convenient" place to put object file dependencies which do
47 not need to be seen outside of tc-hppa.c. */
49 /* Object file formats specify relocation types. */
50 typedef enum elf_hppa_reloc_type reloc_type;
52 /* Object file formats specify BFD symbol types. */
53 typedef elf_symbol_type obj_symbol_type;
54 #define symbol_arg_reloc_info(sym)\
55 (((obj_symbol_type *) symbol_get_bfdsym (sym))->tc_data.hppa_arg_reloc)
57 #if TARGET_ARCH_SIZE == 64
58 /* How to generate a relocation. */
59 #define hppa_gen_reloc_type _bfd_elf64_hppa_gen_reloc_type
60 #define elf_hppa_reloc_final_type elf64_hppa_reloc_final_type
62 #define hppa_gen_reloc_type _bfd_elf32_hppa_gen_reloc_type
63 #define elf_hppa_reloc_final_type elf32_hppa_reloc_final_type
66 /* ELF objects can have versions, but apparently do not have anywhere
67 to store a copyright string. */
68 #define obj_version obj_elf_version
69 #define obj_copyright obj_elf_version
71 #define UNWIND_SECTION_NAME ".PARISC.unwind"
75 /* Names of various debugging spaces/subspaces. */
76 #define GDB_DEBUG_SPACE_NAME "$GDB_DEBUG$"
77 #define GDB_STRINGS_SUBSPACE_NAME "$GDB_STRINGS$"
78 #define GDB_SYMBOLS_SUBSPACE_NAME "$GDB_SYMBOLS$"
79 #define UNWIND_SECTION_NAME "$UNWIND$"
81 /* Object file formats specify relocation types. */
82 typedef int reloc_type;
84 /* SOM objects can have both a version string and a copyright string. */
85 #define obj_version obj_som_version
86 #define obj_copyright obj_som_copyright
88 /* How to generate a relocation. */
89 #define hppa_gen_reloc_type hppa_som_gen_reloc_type
91 /* Object file formats specify BFD symbol types. */
92 typedef som_symbol_type obj_symbol_type;
93 #define symbol_arg_reloc_info(sym)\
94 (((obj_symbol_type *) symbol_get_bfdsym (sym))->tc_data.ap.hppa_arg_reloc)
96 /* This apparently isn't in older versions of hpux reloc.h. */
98 #define R_DLT_REL 0x78
110 #if TARGET_ARCH_SIZE == 64
111 #define DEFAULT_LEVEL 25
113 #define DEFAULT_LEVEL 10
116 /* Various structures and types used internally in tc-hppa.c. */
118 /* Unwind table and descriptor. FIXME: Sync this with GDB version. */
122 unsigned int cannot_unwind:1;
123 unsigned int millicode:1;
124 unsigned int millicode_save_rest:1;
125 unsigned int region_desc:2;
126 unsigned int save_sr:2;
127 unsigned int entry_fr:4;
128 unsigned int entry_gr:5;
129 unsigned int args_stored:1;
130 unsigned int call_fr:5;
131 unsigned int call_gr:5;
132 unsigned int save_sp:1;
133 unsigned int save_rp:1;
134 unsigned int save_rp_in_frame:1;
135 unsigned int extn_ptr_defined:1;
136 unsigned int cleanup_defined:1;
138 unsigned int hpe_interrupt_marker:1;
139 unsigned int hpux_interrupt_marker:1;
140 unsigned int reserved:3;
141 unsigned int frame_size:27;
144 /* We can't rely on compilers placing bitfields in any particular
145 place, so use these macros when dumping unwind descriptors to
147 #define UNWIND_LOW32(U) \
148 (((U)->cannot_unwind << 31) \
149 | ((U)->millicode << 30) \
150 | ((U)->millicode_save_rest << 29) \
151 | ((U)->region_desc << 27) \
152 | ((U)->save_sr << 25) \
153 | ((U)->entry_fr << 21) \
154 | ((U)->entry_gr << 16) \
155 | ((U)->args_stored << 15) \
156 | ((U)->call_fr << 10) \
157 | ((U)->call_gr << 5) \
158 | ((U)->save_sp << 4) \
159 | ((U)->save_rp << 3) \
160 | ((U)->save_rp_in_frame << 2) \
161 | ((U)->extn_ptr_defined << 1) \
162 | ((U)->cleanup_defined << 0))
164 #define UNWIND_HIGH32(U) \
165 (((U)->hpe_interrupt_marker << 31) \
166 | ((U)->hpux_interrupt_marker << 30) \
167 | ((U)->frame_size << 0))
171 /* Starting and ending offsets of the region described by
173 unsigned int start_offset;
174 unsigned int end_offset;
175 struct unwind_desc descriptor;
178 /* This structure is used by the .callinfo, .enter, .leave pseudo-ops to
179 control the entry and exit code they generate. It is also used in
180 creation of the correct stack unwind descriptors.
182 NOTE: GAS does not support .enter and .leave for the generation of
183 prologues and epilogues. FIXME.
185 The fields in structure roughly correspond to the arguments available on the
186 .callinfo pseudo-op. */
190 /* The unwind descriptor being built. */
191 struct unwind_table ci_unwind;
193 /* Name of this function. */
194 symbolS *start_symbol;
196 /* (temporary) symbol used to mark the end of this function. */
199 /* Next entry in the chain. */
200 struct call_info *ci_next;
203 /* Operand formats for FP instructions. Note not all FP instructions
204 allow all four formats to be used (for example fmpysub only allows
208 SGL, DBL, ILLEGAL_FMT, QUAD, W, UW, DW, UDW, QW, UQW
212 /* This fully describes the symbol types which may be attached to
213 an EXPORT or IMPORT directive. Only SOM uses this formation
214 (ELF has no need for it). */
218 SYMBOL_TYPE_ABSOLUTE,
222 SYMBOL_TYPE_MILLICODE,
224 SYMBOL_TYPE_PRI_PROG,
225 SYMBOL_TYPE_SEC_PROG,
229 /* This structure contains information needed to assemble
230 individual instructions. */
233 /* Holds the opcode after parsing by pa_ip. */
234 unsigned long opcode;
236 /* Holds an expression associated with the current instruction. */
239 /* Does this instruction use PC-relative addressing. */
242 /* Floating point formats for operand1 and operand2. */
243 fp_operand_format fpof1;
244 fp_operand_format fpof2;
246 /* Whether or not we saw a truncation request on an fcnv insn. */
249 /* Holds the field selector for this instruction
250 (for example L%, LR%, etc). */
253 /* Holds any argument relocation bits associated with this
254 instruction. (instruction should be some sort of call). */
255 unsigned int arg_reloc;
257 /* The format specification for this instruction. */
260 /* The relocation (if any) associated with this instruction. */
264 /* PA-89 floating point registers are arranged like this:
266 +--------------+--------------+
267 | 0 or 16L | 16 or 16R |
268 +--------------+--------------+
269 | 1 or 17L | 17 or 17R |
270 +--------------+--------------+
278 +--------------+--------------+
279 | 14 or 30L | 30 or 30R |
280 +--------------+--------------+
281 | 15 or 31L | 31 or 31R |
282 +--------------+--------------+ */
284 /* Additional information needed to build argument relocation stubs. */
287 /* The argument relocation specification. */
288 unsigned int arg_reloc;
290 /* Number of arguments. */
291 unsigned int arg_count;
295 /* This structure defines an entry in the subspace dictionary
298 struct subspace_dictionary_chain
300 /* Nonzero if this space has been defined by the user code. */
301 unsigned int ssd_defined;
303 /* Name of this subspace. */
306 /* GAS segment and subsegment associated with this subspace. */
310 /* Next space in the subspace dictionary chain. */
311 struct subspace_dictionary_chain *ssd_next;
314 typedef struct subspace_dictionary_chain ssd_chain_struct;
316 /* This structure defines an entry in the subspace dictionary
319 struct space_dictionary_chain
321 /* Nonzero if this space has been defined by the user code or
322 as a default space. */
323 unsigned int sd_defined;
325 /* Nonzero if this spaces has been defined by the user code. */
326 unsigned int sd_user_defined;
328 /* The space number (or index). */
329 unsigned int sd_spnum;
331 /* The name of this subspace. */
334 /* GAS segment to which this subspace corresponds. */
337 /* Current subsegment number being used. */
340 /* The chain of subspaces contained within this space. */
341 ssd_chain_struct *sd_subspaces;
343 /* The next entry in the space dictionary chain. */
344 struct space_dictionary_chain *sd_next;
347 typedef struct space_dictionary_chain sd_chain_struct;
349 /* This structure defines attributes of the default subspace
350 dictionary entries. */
352 struct default_subspace_dict
354 /* Name of the subspace. */
357 /* FIXME. Is this still needed? */
360 /* Nonzero if this subspace is loadable. */
363 /* Nonzero if this subspace contains only code. */
366 /* Nonzero if this is a comdat subspace. */
369 /* Nonzero if this is a common subspace. */
372 /* Nonzero if this is a common subspace which allows symbols
373 to be multiply defined. */
376 /* Nonzero if this subspace should be zero filled. */
379 /* Sort key for this subspace. */
382 /* Access control bits for this subspace. Can represent RWX access
383 as well as privilege level changes for gateways. */
386 /* Index of containing space. */
389 /* Alignment (in bytes) of this subspace. */
392 /* Quadrant within space where this subspace should be loaded. */
395 /* An index into the default spaces array. */
398 /* Subsegment associated with this subspace. */
402 /* This structure defines attributes of the default space
403 dictionary entries. */
405 struct default_space_dict
407 /* Name of the space. */
410 /* Space number. It is possible to identify spaces within
411 assembly code numerically! */
414 /* Nonzero if this space is loadable. */
417 /* Nonzero if this space is "defined". FIXME is still needed */
420 /* Nonzero if this space can not be shared. */
423 /* Sort key for this space. */
426 /* Segment associated with this space. */
431 /* Structure for previous label tracking. Needed so that alignments,
432 callinfo declarations, etc can be easily attached to a particular
434 typedef struct label_symbol_struct
436 struct symbol *lss_label;
438 sd_chain_struct *lss_space;
443 struct label_symbol_struct *lss_next;
447 /* Extra information needed to perform fixups (relocations) on the PA. */
448 struct hppa_fix_struct
450 /* The field selector. */
451 enum hppa_reloc_field_selector_type_alt fx_r_field;
456 /* Format of fixup. */
459 /* Argument relocation bits. */
460 unsigned int fx_arg_reloc;
462 /* The segment this fixup appears in. */
466 /* Structure to hold information about predefined registers. */
474 /* This structure defines the mapping from a FP condition string
475 to a condition number which can be recorded in an instruction. */
482 /* This structure defines a mapping from a field selector
483 string to a field selector type. */
484 struct selector_entry
490 /* Prototypes for functions local to tc-hppa.c. */
493 static void pa_check_current_space_and_subspace PARAMS ((void));
496 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
497 static void pa_text PARAMS ((int));
498 static void pa_data PARAMS ((int));
499 static void pa_comm PARAMS ((int));
501 static fp_operand_format pa_parse_fp_format PARAMS ((char **s));
502 static void pa_cons PARAMS ((int));
503 static void pa_float_cons PARAMS ((int));
504 static void pa_fill PARAMS ((int));
505 static void pa_lcomm PARAMS ((int));
506 static void pa_lsym PARAMS ((int));
507 static void pa_stringer PARAMS ((int));
508 static void pa_version PARAMS ((int));
509 static int pa_parse_fp_cmp_cond PARAMS ((char **));
510 static int get_expression PARAMS ((char *));
511 static int pa_get_absolute_expression PARAMS ((struct pa_it *, char **));
512 static int evaluate_absolute PARAMS ((struct pa_it *));
513 static unsigned int pa_build_arg_reloc PARAMS ((char *));
514 static unsigned int pa_align_arg_reloc PARAMS ((unsigned int, unsigned int));
515 static int pa_parse_nullif PARAMS ((char **));
516 static int pa_parse_nonneg_cmpsub_cmpltr PARAMS ((char **));
517 static int pa_parse_neg_cmpsub_cmpltr PARAMS ((char **));
518 static int pa_parse_neg_add_cmpltr PARAMS ((char **));
519 static int pa_parse_nonneg_add_cmpltr PARAMS ((char **));
520 static int pa_parse_cmpb_64_cmpltr PARAMS ((char **));
521 static int pa_parse_cmpib_64_cmpltr PARAMS ((char **));
522 static int pa_parse_addb_64_cmpltr PARAMS ((char **));
523 static void pa_block PARAMS ((int));
524 static void pa_brtab PARAMS ((int));
525 static void pa_try PARAMS ((int));
526 static void pa_call PARAMS ((int));
527 static void pa_call_args PARAMS ((struct call_desc *));
528 static void pa_callinfo PARAMS ((int));
529 static void pa_copyright PARAMS ((int));
530 static void pa_end PARAMS ((int));
531 static void pa_enter PARAMS ((int));
532 static void pa_entry PARAMS ((int));
533 static void pa_equ PARAMS ((int));
534 static void pa_exit PARAMS ((int));
535 static void pa_export PARAMS ((int));
536 static void pa_type_args PARAMS ((symbolS *, int));
537 static void pa_import PARAMS ((int));
538 static void pa_label PARAMS ((int));
539 static void pa_leave PARAMS ((int));
540 static void pa_level PARAMS ((int));
541 static void pa_origin PARAMS ((int));
542 static void pa_proc PARAMS ((int));
543 static void pa_procend PARAMS ((int));
544 static void pa_param PARAMS ((int));
545 static void pa_undefine_label PARAMS ((void));
546 static int need_pa11_opcode PARAMS ((void));
547 static int pa_parse_number PARAMS ((char **, int));
548 static label_symbol_struct *pa_get_label PARAMS ((void));
550 static int exact_log2 PARAMS ((int));
551 static void pa_compiler PARAMS ((int));
552 static void pa_align PARAMS ((int));
553 static void pa_space PARAMS ((int));
554 static void pa_spnum PARAMS ((int));
555 static void pa_subspace PARAMS ((int));
556 static sd_chain_struct *create_new_space PARAMS ((char *, int, int,
559 static ssd_chain_struct *create_new_subspace PARAMS ((sd_chain_struct *,
564 static ssd_chain_struct *update_subspace PARAMS ((sd_chain_struct *,
565 char *, int, int, int,
569 static sd_chain_struct *is_defined_space PARAMS ((char *));
570 static ssd_chain_struct *is_defined_subspace PARAMS ((char *));
571 static sd_chain_struct *pa_segment_to_space PARAMS ((asection *));
572 static ssd_chain_struct *pa_subsegment_to_subspace PARAMS ((asection *,
574 static sd_chain_struct *pa_find_space_by_number PARAMS ((int));
575 static unsigned int pa_subspace_start PARAMS ((sd_chain_struct *, int));
576 static sd_chain_struct *pa_parse_space_stmt PARAMS ((char *, int));
577 static void pa_spaces_begin PARAMS ((void));
579 static void pa_ip PARAMS ((char *));
580 static void fix_new_hppa PARAMS ((fragS *, int, int, symbolS *,
581 offsetT, expressionS *, int,
582 bfd_reloc_code_real_type,
583 enum hppa_reloc_field_selector_type_alt,
584 int, unsigned int, int));
585 static int is_end_of_statement PARAMS ((void));
586 static int reg_name_search PARAMS ((char *));
587 static int pa_chk_field_selector PARAMS ((char **));
588 static int is_same_frag PARAMS ((fragS *, fragS *));
589 static void process_exit PARAMS ((void));
590 static unsigned int pa_stringer_aux PARAMS ((char *));
591 static fp_operand_format pa_parse_fp_cnv_format PARAMS ((char **s));
592 static int pa_parse_ftest_gfx_completer PARAMS ((char **));
595 static void hppa_elf_mark_end_of_function PARAMS ((void));
596 static void pa_build_unwind_subspace PARAMS ((struct call_info *));
597 static void pa_vtable_entry PARAMS ((int));
598 static void pa_vtable_inherit PARAMS ((int));
601 /* File and globally scoped variable declarations. */
604 /* Root and final entry in the space chain. */
605 static sd_chain_struct *space_dict_root;
606 static sd_chain_struct *space_dict_last;
608 /* The current space and subspace. */
609 static sd_chain_struct *current_space;
610 static ssd_chain_struct *current_subspace;
613 /* Root of the call_info chain. */
614 static struct call_info *call_info_root;
616 /* The last call_info (for functions) structure
617 seen so it can be associated with fixups and
619 static struct call_info *last_call_info;
621 /* The last call description (for actual calls). */
622 static struct call_desc last_call_desc;
624 /* handle of the OPCODE hash table */
625 static struct hash_control *op_hash = NULL;
627 /* These characters can be suffixes of opcode names and they may be
628 followed by meaningful whitespace. We don't include `,' and `!'
629 as they never appear followed by meaningful whitespace. */
630 const char hppa_symbol_chars[] = "*?=<>";
632 /* Table of pseudo ops for the PA. FIXME -- how many of these
633 are now redundant with the overall GAS and the object file
635 const pseudo_typeS md_pseudo_table[] =
637 /* align pseudo-ops on the PA specify the actual alignment requested,
638 not the log2 of the requested alignment. */
640 {"align", pa_align, 8},
643 {"align", s_align_bytes, 8},
645 {"begin_brtab", pa_brtab, 1},
646 {"begin_try", pa_try, 1},
647 {"block", pa_block, 1},
648 {"blockz", pa_block, 0},
649 {"byte", pa_cons, 1},
650 {"call", pa_call, 0},
651 {"callinfo", pa_callinfo, 0},
652 #if defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))
653 {"code", obj_elf_text, 0},
655 {"code", pa_text, 0},
656 {"comm", pa_comm, 0},
659 {"compiler", pa_compiler, 0},
661 {"copyright", pa_copyright, 0},
662 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
663 {"data", pa_data, 0},
665 {"double", pa_float_cons, 'd'},
666 {"dword", pa_cons, 8},
668 {"end_brtab", pa_brtab, 0},
669 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
670 {"end_try", pa_try, 0},
672 {"enter", pa_enter, 0},
673 {"entry", pa_entry, 0},
675 {"exit", pa_exit, 0},
676 {"export", pa_export, 0},
677 {"fill", pa_fill, 0},
678 {"float", pa_float_cons, 'f'},
679 {"half", pa_cons, 2},
680 {"import", pa_import, 0},
682 {"label", pa_label, 0},
683 {"lcomm", pa_lcomm, 0},
684 {"leave", pa_leave, 0},
685 {"level", pa_level, 0},
686 {"long", pa_cons, 4},
687 {"lsym", pa_lsym, 0},
689 {"nsubspa", pa_subspace, 1},
691 {"octa", pa_cons, 16},
692 {"org", pa_origin, 0},
693 {"origin", pa_origin, 0},
694 {"param", pa_param, 0},
695 {"proc", pa_proc, 0},
696 {"procend", pa_procend, 0},
697 {"quad", pa_cons, 8},
699 {"short", pa_cons, 2},
700 {"single", pa_float_cons, 'f'},
702 {"space", pa_space, 0},
703 {"spnum", pa_spnum, 0},
705 {"string", pa_stringer, 0},
706 {"stringz", pa_stringer, 1},
708 {"subspa", pa_subspace, 0},
710 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
711 {"text", pa_text, 0},
713 {"version", pa_version, 0},
715 {"vtable_entry", pa_vtable_entry, 0},
716 {"vtable_inherit", pa_vtable_inherit, 0},
718 {"word", pa_cons, 4},
722 /* This array holds the chars that only start a comment at the beginning of
723 a line. If the line seems to have the form '# 123 filename'
724 .line and .file directives will appear in the pre-processed output.
726 Note that input_file.c hand checks for '#' at the beginning of the
727 first line of the input file. This is because the compiler outputs
728 #NO_APP at the beginning of its output.
730 Also note that C style comments will always work. */
731 const char line_comment_chars[] = "#";
733 /* This array holds the chars that always start a comment. If the
734 pre-processor is disabled, these aren't very useful. */
735 const char comment_chars[] = ";";
737 /* This array holds the characters which act as line separators. */
738 const char line_separator_chars[] = "!";
740 /* Chars that can be used to separate mant from exp in floating point nums. */
741 const char EXP_CHARS[] = "eE";
743 /* Chars that mean this number is a floating point constant.
744 As in 0f12.456 or 0d1.2345e12.
746 Be aware that MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT may have to be
747 changed in read.c. Ideally it shouldn't hae to know abou it at
748 all, but nothing is ideal around here. */
749 const char FLT_CHARS[] = "rRsSfFdDxXpP";
751 static struct pa_it the_insn;
753 /* Points to the end of an expression just parsed by get_expression
754 and friends. FIXME. This shouldn't be handled with a file-global
756 static char *expr_end;
758 /* Nonzero if a .callinfo appeared within the current procedure. */
759 static int callinfo_found;
761 /* Nonzero if the assembler is currently within a .entry/.exit pair. */
762 static int within_entry_exit;
764 /* Nonzero if the assembler is currently within a procedure definition. */
765 static int within_procedure;
767 /* Handle on structure which keep track of the last symbol
768 seen in each subspace. */
769 static label_symbol_struct *label_symbols_rootp = NULL;
771 /* Holds the last field selector. */
772 static int hppa_field_selector;
774 /* Nonzero when strict syntax checking is enabled. Zero otherwise.
776 Each opcode in the table has a flag which indicates whether or not
777 strict syntax checking should be enabled for that instruction. */
778 static int strict = 0;
780 /* pa_parse_number returns values in `pa_number'. Mostly
781 pa_parse_number is used to return a register number, with floating
782 point registers being numbered from FP_REG_BASE upwards.
783 The bit specified with FP_REG_RSEL is set if the floating point
784 register has a `r' suffix. */
785 #define FP_REG_BASE 64
786 #define FP_REG_RSEL 128
787 static int pa_number;
790 /* A dummy bfd symbol so that all relocations have symbols of some kind. */
791 static symbolS *dummy_symbol;
794 /* Nonzero if errors are to be printed. */
795 static int print_errors = 1;
797 /* List of registers that are pre-defined:
799 Each general register has one predefined name of the form
800 %r<REGNUM> which has the value <REGNUM>.
802 Space and control registers are handled in a similar manner,
803 but use %sr<REGNUM> and %cr<REGNUM> as their predefined names.
805 Likewise for the floating point registers, but of the form
806 %fr<REGNUM>. Floating point registers have additional predefined
807 names with 'L' and 'R' suffixes (e.g. %fr19L, %fr19R) which
808 again have the value <REGNUM>.
810 Many registers also have synonyms:
812 %r26 - %r23 have %arg0 - %arg3 as synonyms
813 %r28 - %r29 have %ret0 - %ret1 as synonyms
814 %fr4 - %fr7 have %farg0 - %farg3 as synonyms
815 %r30 has %sp as a synonym
816 %r27 has %dp as a synonym
817 %r2 has %rp as a synonym
819 Almost every control register has a synonym; they are not listed
822 The table is sorted. Suitable for searching by a binary search. */
824 static const struct pd_reg pre_defined_registers[] =
858 {"%farg0", 4 + FP_REG_BASE},
859 {"%farg1", 5 + FP_REG_BASE},
860 {"%farg2", 6 + FP_REG_BASE},
861 {"%farg3", 7 + FP_REG_BASE},
862 {"%fr0", 0 + FP_REG_BASE},
863 {"%fr0l", 0 + FP_REG_BASE},
864 {"%fr0r", 0 + FP_REG_BASE + FP_REG_RSEL},
865 {"%fr1", 1 + FP_REG_BASE},
866 {"%fr10", 10 + FP_REG_BASE},
867 {"%fr10l", 10 + FP_REG_BASE},
868 {"%fr10r", 10 + FP_REG_BASE + FP_REG_RSEL},
869 {"%fr11", 11 + FP_REG_BASE},
870 {"%fr11l", 11 + FP_REG_BASE},
871 {"%fr11r", 11 + FP_REG_BASE + FP_REG_RSEL},
872 {"%fr12", 12 + FP_REG_BASE},
873 {"%fr12l", 12 + FP_REG_BASE},
874 {"%fr12r", 12 + FP_REG_BASE + FP_REG_RSEL},
875 {"%fr13", 13 + FP_REG_BASE},
876 {"%fr13l", 13 + FP_REG_BASE},
877 {"%fr13r", 13 + FP_REG_BASE + FP_REG_RSEL},
878 {"%fr14", 14 + FP_REG_BASE},
879 {"%fr14l", 14 + FP_REG_BASE},
880 {"%fr14r", 14 + FP_REG_BASE + FP_REG_RSEL},
881 {"%fr15", 15 + FP_REG_BASE},
882 {"%fr15l", 15 + FP_REG_BASE},
883 {"%fr15r", 15 + FP_REG_BASE + FP_REG_RSEL},
884 {"%fr16", 16 + FP_REG_BASE},
885 {"%fr16l", 16 + FP_REG_BASE},
886 {"%fr16r", 16 + FP_REG_BASE + FP_REG_RSEL},
887 {"%fr17", 17 + FP_REG_BASE},
888 {"%fr17l", 17 + FP_REG_BASE},
889 {"%fr17r", 17 + FP_REG_BASE + FP_REG_RSEL},
890 {"%fr18", 18 + FP_REG_BASE},
891 {"%fr18l", 18 + FP_REG_BASE},
892 {"%fr18r", 18 + FP_REG_BASE + FP_REG_RSEL},
893 {"%fr19", 19 + FP_REG_BASE},
894 {"%fr19l", 19 + FP_REG_BASE},
895 {"%fr19r", 19 + FP_REG_BASE + FP_REG_RSEL},
896 {"%fr1l", 1 + FP_REG_BASE},
897 {"%fr1r", 1 + FP_REG_BASE + FP_REG_RSEL},
898 {"%fr2", 2 + FP_REG_BASE},
899 {"%fr20", 20 + FP_REG_BASE},
900 {"%fr20l", 20 + FP_REG_BASE},
901 {"%fr20r", 20 + FP_REG_BASE + FP_REG_RSEL},
902 {"%fr21", 21 + FP_REG_BASE},
903 {"%fr21l", 21 + FP_REG_BASE},
904 {"%fr21r", 21 + FP_REG_BASE + FP_REG_RSEL},
905 {"%fr22", 22 + FP_REG_BASE},
906 {"%fr22l", 22 + FP_REG_BASE},
907 {"%fr22r", 22 + FP_REG_BASE + FP_REG_RSEL},
908 {"%fr23", 23 + FP_REG_BASE},
909 {"%fr23l", 23 + FP_REG_BASE},
910 {"%fr23r", 23 + FP_REG_BASE + FP_REG_RSEL},
911 {"%fr24", 24 + FP_REG_BASE},
912 {"%fr24l", 24 + FP_REG_BASE},
913 {"%fr24r", 24 + FP_REG_BASE + FP_REG_RSEL},
914 {"%fr25", 25 + FP_REG_BASE},
915 {"%fr25l", 25 + FP_REG_BASE},
916 {"%fr25r", 25 + FP_REG_BASE + FP_REG_RSEL},
917 {"%fr26", 26 + FP_REG_BASE},
918 {"%fr26l", 26 + FP_REG_BASE},
919 {"%fr26r", 26 + FP_REG_BASE + FP_REG_RSEL},
920 {"%fr27", 27 + FP_REG_BASE},
921 {"%fr27l", 27 + FP_REG_BASE},
922 {"%fr27r", 27 + FP_REG_BASE + FP_REG_RSEL},
923 {"%fr28", 28 + FP_REG_BASE},
924 {"%fr28l", 28 + FP_REG_BASE},
925 {"%fr28r", 28 + FP_REG_BASE + FP_REG_RSEL},
926 {"%fr29", 29 + FP_REG_BASE},
927 {"%fr29l", 29 + FP_REG_BASE},
928 {"%fr29r", 29 + FP_REG_BASE + FP_REG_RSEL},
929 {"%fr2l", 2 + FP_REG_BASE},
930 {"%fr2r", 2 + FP_REG_BASE + FP_REG_RSEL},
931 {"%fr3", 3 + FP_REG_BASE},
932 {"%fr30", 30 + FP_REG_BASE},
933 {"%fr30l", 30 + FP_REG_BASE},
934 {"%fr30r", 30 + FP_REG_BASE + FP_REG_RSEL},
935 {"%fr31", 31 + FP_REG_BASE},
936 {"%fr31l", 31 + FP_REG_BASE},
937 {"%fr31r", 31 + FP_REG_BASE + FP_REG_RSEL},
938 {"%fr3l", 3 + FP_REG_BASE},
939 {"%fr3r", 3 + FP_REG_BASE + FP_REG_RSEL},
940 {"%fr4", 4 + FP_REG_BASE},
941 {"%fr4l", 4 + FP_REG_BASE},
942 {"%fr4r", 4 + FP_REG_BASE + FP_REG_RSEL},
943 {"%fr5", 5 + FP_REG_BASE},
944 {"%fr5l", 5 + FP_REG_BASE},
945 {"%fr5r", 5 + FP_REG_BASE + FP_REG_RSEL},
946 {"%fr6", 6 + FP_REG_BASE},
947 {"%fr6l", 6 + FP_REG_BASE},
948 {"%fr6r", 6 + FP_REG_BASE + FP_REG_RSEL},
949 {"%fr7", 7 + FP_REG_BASE},
950 {"%fr7l", 7 + FP_REG_BASE},
951 {"%fr7r", 7 + FP_REG_BASE + FP_REG_RSEL},
952 {"%fr8", 8 + FP_REG_BASE},
953 {"%fr8l", 8 + FP_REG_BASE},
954 {"%fr8r", 8 + FP_REG_BASE + FP_REG_RSEL},
955 {"%fr9", 9 + FP_REG_BASE},
956 {"%fr9l", 9 + FP_REG_BASE},
957 {"%fr9r", 9 + FP_REG_BASE + FP_REG_RSEL},
966 #if TARGET_ARCH_SIZE == 64
1042 /* This table is sorted by order of the length of the string. This is
1043 so we check for <> before we check for <. If we had a <> and checked
1044 for < first, we would get a false match. */
1045 static const struct fp_cond_map fp_cond_map[] =
1081 static const struct selector_entry selector_table[] =
1106 /* default space and subspace dictionaries */
1108 #define GDB_SYMBOLS GDB_SYMBOLS_SUBSPACE_NAME
1109 #define GDB_STRINGS GDB_STRINGS_SUBSPACE_NAME
1111 /* pre-defined subsegments (subspaces) for the HPPA. */
1112 #define SUBSEG_CODE 0
1113 #define SUBSEG_LIT 1
1114 #define SUBSEG_MILLI 2
1115 #define SUBSEG_DATA 0
1116 #define SUBSEG_BSS 2
1117 #define SUBSEG_UNWIND 3
1118 #define SUBSEG_GDB_STRINGS 0
1119 #define SUBSEG_GDB_SYMBOLS 1
1121 static struct default_subspace_dict pa_def_subspaces[] =
1123 {"$CODE$", 1, 1, 1, 0, 0, 0, 0, 24, 0x2c, 0, 8, 0, 0, SUBSEG_CODE},
1124 {"$DATA$", 1, 1, 0, 0, 0, 0, 0, 24, 0x1f, 1, 8, 1, 1, SUBSEG_DATA},
1125 {"$LIT$", 1, 1, 0, 0, 0, 0, 0, 16, 0x2c, 0, 8, 0, 0, SUBSEG_LIT},
1126 {"$MILLICODE$", 1, 1, 0, 0, 0, 0, 0, 8, 0x2c, 0, 8, 0, 0, SUBSEG_MILLI},
1127 {"$BSS$", 1, 1, 0, 0, 0, 0, 1, 80, 0x1f, 1, 8, 1, 1, SUBSEG_BSS},
1128 {NULL, 0, 1, 0, 0, 0, 0, 0, 255, 0x1f, 0, 4, 0, 0, 0}
1131 static struct default_space_dict pa_def_spaces[] =
1133 {"$TEXT$", 0, 1, 1, 0, 8, ASEC_NULL},
1134 {"$PRIVATE$", 1, 1, 1, 1, 16, ASEC_NULL},
1135 {NULL, 0, 0, 0, 0, 0, ASEC_NULL}
1138 /* Misc local definitions used by the assembler. */
1140 /* These macros are used to maintain spaces/subspaces. */
1141 #define SPACE_DEFINED(space_chain) (space_chain)->sd_defined
1142 #define SPACE_USER_DEFINED(space_chain) (space_chain)->sd_user_defined
1143 #define SPACE_SPNUM(space_chain) (space_chain)->sd_spnum
1144 #define SPACE_NAME(space_chain) (space_chain)->sd_name
1146 #define SUBSPACE_DEFINED(ss_chain) (ss_chain)->ssd_defined
1147 #define SUBSPACE_NAME(ss_chain) (ss_chain)->ssd_name
1150 /* Return nonzero if the string pointed to by S potentially represents
1151 a right or left half of a FP register */
1152 #define IS_R_SELECT(S) (*(S) == 'R' || *(S) == 'r')
1153 #define IS_L_SELECT(S) (*(S) == 'L' || *(S) == 'l')
1155 /* Insert FIELD into OPCODE starting at bit START. Continue pa_ip
1156 main loop after insertion. */
1158 #define INSERT_FIELD_AND_CONTINUE(OPCODE, FIELD, START) \
1160 ((OPCODE) |= (FIELD) << (START)); \
1164 /* Simple range checking for FIELD against HIGH and LOW bounds.
1165 IGNORE is used to suppress the error message. */
1167 #define CHECK_FIELD(FIELD, HIGH, LOW, IGNORE) \
1169 if ((FIELD) > (HIGH) || (FIELD) < (LOW)) \
1172 as_bad (_("Field out of range [%d..%d] (%d)."), (LOW), (HIGH), \
1178 /* Variant of CHECK_FIELD for use in md_apply_fix3 and other places where
1179 the current file and line number are not valid. */
1181 #define CHECK_FIELD_WHERE(FIELD, HIGH, LOW, FILENAME, LINE) \
1183 if ((FIELD) > (HIGH) || (FIELD) < (LOW)) \
1185 as_bad_where ((FILENAME), (LINE), \
1186 _("Field out of range [%d..%d] (%d)."), (LOW), (HIGH), \
1192 /* Simple alignment checking for FIELD against ALIGN (a power of two).
1193 IGNORE is used to suppress the error message. */
1195 #define CHECK_ALIGN(FIELD, ALIGN, IGNORE) \
1197 if ((FIELD) & ((ALIGN) - 1)) \
1200 as_bad (_("Field not properly aligned [%d] (%d)."), (ALIGN), \
1206 #define is_DP_relative(exp) \
1207 ((exp).X_op == O_subtract \
1208 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$global$") == 0)
1210 #define is_PC_relative(exp) \
1211 ((exp).X_op == O_subtract \
1212 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$PIC_pcrel$0") == 0)
1214 /* We need some complex handling for stabs (sym1 - sym2). Luckily, we'll
1215 always be able to reduce the expression to a constant, so we don't
1216 need real complex handling yet. */
1217 #define is_complex(exp) \
1218 ((exp).X_op != O_constant && (exp).X_op != O_symbol)
1220 /* Actual functions to implement the PA specific code for the assembler. */
1222 /* Called before writing the object file. Make sure entry/exit and
1223 proc/procend pairs match. */
1228 if (within_entry_exit)
1229 as_fatal (_("Missing .exit\n"));
1231 if (within_procedure)
1232 as_fatal (_("Missing .procend\n"));
1235 /* Returns a pointer to the label_symbol_struct for the current space.
1236 or NULL if no label_symbol_struct exists for the current space. */
1238 static label_symbol_struct *
1241 label_symbol_struct *label_chain;
1243 for (label_chain = label_symbols_rootp;
1245 label_chain = label_chain->lss_next)
1248 if (current_space == label_chain->lss_space && label_chain->lss_label)
1252 if (now_seg == label_chain->lss_segment && label_chain->lss_label)
1260 /* Defines a label for the current space. If one is already defined,
1261 this function will replace it with the new label. */
1264 pa_define_label (symbol)
1267 label_symbol_struct *label_chain = pa_get_label ();
1270 label_chain->lss_label = symbol;
1273 /* Create a new label entry and add it to the head of the chain. */
1275 = (label_symbol_struct *) xmalloc (sizeof (label_symbol_struct));
1276 label_chain->lss_label = symbol;
1278 label_chain->lss_space = current_space;
1281 label_chain->lss_segment = now_seg;
1283 label_chain->lss_next = NULL;
1285 if (label_symbols_rootp)
1286 label_chain->lss_next = label_symbols_rootp;
1288 label_symbols_rootp = label_chain;
1292 /* Removes a label definition for the current space.
1293 If there is no label_symbol_struct entry, then no action is taken. */
1296 pa_undefine_label ()
1298 label_symbol_struct *label_chain;
1299 label_symbol_struct *prev_label_chain = NULL;
1301 for (label_chain = label_symbols_rootp;
1303 label_chain = label_chain->lss_next)
1307 && current_space == label_chain->lss_space && label_chain->lss_label
1310 && now_seg == label_chain->lss_segment && label_chain->lss_label
1314 /* Remove the label from the chain and free its memory. */
1315 if (prev_label_chain)
1316 prev_label_chain->lss_next = label_chain->lss_next;
1318 label_symbols_rootp = label_chain->lss_next;
1323 prev_label_chain = label_chain;
1327 /* An HPPA-specific version of fix_new. This is required because the HPPA
1328 code needs to keep track of some extra stuff. Each call to fix_new_hppa
1329 results in the creation of an instance of an hppa_fix_struct. An
1330 hppa_fix_struct stores the extra information along with a pointer to the
1331 original fixS. This is attached to the original fixup via the
1332 tc_fix_data field. */
1335 fix_new_hppa (frag, where, size, add_symbol, offset, exp, pcrel,
1336 r_type, r_field, r_format, arg_reloc, unwind_bits)
1340 symbolS *add_symbol;
1344 bfd_reloc_code_real_type r_type;
1345 enum hppa_reloc_field_selector_type_alt r_field;
1347 unsigned int arg_reloc;
1348 int unwind_bits ATTRIBUTE_UNUSED;
1352 struct hppa_fix_struct *hppa_fix = (struct hppa_fix_struct *)
1353 obstack_alloc (¬es, sizeof (struct hppa_fix_struct));
1356 new_fix = fix_new_exp (frag, where, size, exp, pcrel, r_type);
1358 new_fix = fix_new (frag, where, size, add_symbol, offset, pcrel, r_type);
1359 new_fix->tc_fix_data = (void *) hppa_fix;
1360 hppa_fix->fx_r_type = r_type;
1361 hppa_fix->fx_r_field = r_field;
1362 hppa_fix->fx_r_format = r_format;
1363 hppa_fix->fx_arg_reloc = arg_reloc;
1364 hppa_fix->segment = now_seg;
1366 if (r_type == R_ENTRY || r_type == R_EXIT)
1367 new_fix->fx_offset = unwind_bits;
1370 /* foo-$global$ is used to access non-automatic storage. $global$
1371 is really just a marker and has served its purpose, so eliminate
1372 it now so as not to confuse write.c. Ditto for $PIC_pcrel$0. */
1373 if (new_fix->fx_subsy
1374 && (strcmp (S_GET_NAME (new_fix->fx_subsy), "$global$") == 0
1375 || strcmp (S_GET_NAME (new_fix->fx_subsy), "$PIC_pcrel$0") == 0))
1376 new_fix->fx_subsy = NULL;
1379 /* Parse a .byte, .word, .long expression for the HPPA. Called by
1380 cons via the TC_PARSE_CONS_EXPRESSION macro. */
1383 parse_cons_expression_hppa (exp)
1386 hppa_field_selector = pa_chk_field_selector (&input_line_pointer);
1390 /* This fix_new is called by cons via TC_CONS_FIX_NEW.
1391 hppa_field_selector is set by the parse_cons_expression_hppa. */
1394 cons_fix_new_hppa (frag, where, size, exp)
1400 unsigned int rel_type;
1402 /* Get a base relocation type. */
1403 if (is_DP_relative (*exp))
1404 rel_type = R_HPPA_GOTOFF;
1405 else if (is_PC_relative (*exp))
1406 rel_type = R_HPPA_PCREL_CALL;
1407 else if (is_complex (*exp))
1408 rel_type = R_HPPA_COMPLEX;
1412 if (hppa_field_selector != e_psel && hppa_field_selector != e_fsel)
1414 as_warn (_("Invalid field selector. Assuming F%%."));
1415 hppa_field_selector = e_fsel;
1418 fix_new_hppa (frag, where, size,
1419 (symbolS *) NULL, (offsetT) 0, exp, 0, rel_type,
1420 hppa_field_selector, size * 8, 0, 0);
1422 /* Reset field selector to its default state. */
1423 hppa_field_selector = 0;
1426 /* This function is called once, at assembler startup time. It should
1427 set up all the tables, etc. that the MD part of the assembler will need. */
1432 const char *retval = NULL;
1436 last_call_info = NULL;
1437 call_info_root = NULL;
1439 /* Set the default machine type. */
1440 if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, DEFAULT_LEVEL))
1441 as_warn (_("could not set architecture and machine"));
1443 /* Folding of text and data segments fails miserably on the PA.
1444 Warn user and disable "-R" option. */
1445 if (flag_readonly_data_in_text)
1447 as_warn (_("-R option not supported on this target."));
1448 flag_readonly_data_in_text = 0;
1455 op_hash = hash_new ();
1457 while (i < NUMOPCODES)
1459 const char *name = pa_opcodes[i].name;
1460 retval = hash_insert (op_hash, name, (struct pa_opcode *) &pa_opcodes[i]);
1461 if (retval != NULL && *retval != '\0')
1463 as_fatal (_("Internal error: can't hash `%s': %s\n"), name, retval);
1468 if ((pa_opcodes[i].match & pa_opcodes[i].mask)
1469 != pa_opcodes[i].match)
1471 fprintf (stderr, _("internal error: losing opcode: `%s' \"%s\"\n"),
1472 pa_opcodes[i].name, pa_opcodes[i].args);
1477 while (i < NUMOPCODES && !strcmp (pa_opcodes[i].name, name));
1481 as_fatal (_("Broken assembler. No assembly attempted."));
1484 /* SOM will change text_section. To make sure we never put
1485 anything into the old one switch to the new one now. */
1486 subseg_set (text_section, 0);
1490 dummy_symbol = symbol_find_or_make ("L$dummy");
1491 S_SET_SEGMENT (dummy_symbol, text_section);
1492 /* Force the symbol to be converted to a real symbol. */
1493 (void) symbol_get_bfdsym (dummy_symbol);
1497 /* Assemble a single instruction storing it into a frag. */
1504 /* The had better be something to assemble. */
1507 /* If we are within a procedure definition, make sure we've
1508 defined a label for the procedure; handle case where the
1509 label was defined after the .PROC directive.
1511 Note there's not need to diddle with the segment or fragment
1512 for the label symbol in this case. We have already switched
1513 into the new $CODE$ subspace at this point. */
1514 if (within_procedure && last_call_info->start_symbol == NULL)
1516 label_symbol_struct *label_symbol = pa_get_label ();
1520 if (label_symbol->lss_label)
1522 last_call_info->start_symbol = label_symbol->lss_label;
1523 symbol_get_bfdsym (label_symbol->lss_label)->flags
1526 /* Also handle allocation of a fixup to hold the unwind
1527 information when the label appears after the proc/procend. */
1528 if (within_entry_exit)
1533 where = frag_more (0);
1534 u = UNWIND_LOW32 (&last_call_info->ci_unwind.descriptor);
1535 fix_new_hppa (frag_now, where - frag_now->fr_literal, 0,
1536 NULL, (offsetT) 0, NULL,
1537 0, R_HPPA_ENTRY, e_fsel, 0, 0, u);
1542 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
1545 as_bad (_("Missing function name for .PROC"));
1548 /* Assemble the instruction. Results are saved into "the_insn". */
1551 /* Get somewhere to put the assembled instruction. */
1554 /* Output the opcode. */
1555 md_number_to_chars (to, the_insn.opcode, 4);
1557 /* If necessary output more stuff. */
1558 if (the_insn.reloc != R_HPPA_NONE)
1559 fix_new_hppa (frag_now, (to - frag_now->fr_literal), 4, NULL,
1560 (offsetT) 0, &the_insn.exp, the_insn.pcrel,
1561 the_insn.reloc, the_insn.field_selector,
1562 the_insn.format, the_insn.arg_reloc, 0);
1565 dwarf2_emit_insn (4);
1569 /* Do the real work for assembling a single instruction. Store results
1570 into the global "the_insn" variable. */
1576 char *error_message = "";
1577 char *s, c, *argstart, *name, *save_s;
1581 int cmpltr, nullif, flag, cond, num;
1582 unsigned long opcode;
1583 struct pa_opcode *insn;
1586 /* We must have a valid space and subspace. */
1587 pa_check_current_space_and_subspace ();
1590 /* Convert everything up to the first whitespace character into lower
1592 for (s = str; *s != ' ' && *s != '\t' && *s != '\n' && *s != '\0'; s++)
1595 /* Skip to something interesting. */
1597 ISUPPER (*s) || ISLOWER (*s) || (*s >= '0' && *s <= '3');
1617 as_fatal (_("Unknown opcode: `%s'"), str);
1620 /* Look up the opcode in the has table. */
1621 if ((insn = (struct pa_opcode *) hash_find (op_hash, str)) == NULL)
1623 as_bad ("Unknown opcode: `%s'", str);
1632 /* Mark the location where arguments for the instruction start, then
1633 start processing them. */
1637 /* Do some initialization. */
1638 opcode = insn->match;
1639 strict = (insn->flags & FLAG_STRICT);
1640 memset (&the_insn, 0, sizeof (the_insn));
1642 the_insn.reloc = R_HPPA_NONE;
1644 /* If this instruction is specific to a particular architecture,
1645 then set a new architecture. */
1646 /* But do not automatically promote to pa2.0. The automatic promotion
1647 crud is for compatibility with HP's old assemblers only. */
1649 && bfd_get_mach (stdoutput) < insn->arch)
1651 if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, insn->arch))
1652 as_warn (_("could not update architecture and machine"));
1654 else if (bfd_get_mach (stdoutput) < insn->arch)
1660 /* Build the opcode, checking as we go to make
1661 sure that the operands match. */
1662 for (args = insn->args;; ++args)
1664 /* Absorb white space in instruction. */
1665 while (*s == ' ' || *s == '\t')
1671 /* End of arguments. */
1687 /* These must match exactly. */
1696 /* Handle a 5 bit register or control register field at 10. */
1699 if (!pa_parse_number (&s, 0))
1702 CHECK_FIELD (num, 31, 0, 0);
1703 INSERT_FIELD_AND_CONTINUE (opcode, num, 21);
1705 /* Handle %sar or %cr11. No bits get set, we just verify that it
1708 /* Skip whitespace before register. */
1709 while (*s == ' ' || *s == '\t')
1712 if (!strncasecmp (s, "%sar", 4))
1717 else if (!strncasecmp (s, "%cr11", 5))
1724 /* Handle a 5 bit register field at 15. */
1726 if (!pa_parse_number (&s, 0))
1729 CHECK_FIELD (num, 31, 0, 0);
1730 INSERT_FIELD_AND_CONTINUE (opcode, num, 16);
1732 /* Handle a 5 bit register field at 31. */
1734 if (!pa_parse_number (&s, 0))
1737 CHECK_FIELD (num, 31, 0, 0);
1738 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
1740 /* Handle a 5 bit register field at 10 and 15. */
1742 if (!pa_parse_number (&s, 0))
1745 CHECK_FIELD (num, 31, 0, 0);
1746 opcode |= num << 16;
1747 INSERT_FIELD_AND_CONTINUE (opcode, num, 21);
1749 /* Handle a 5 bit field length at 31. */
1751 num = pa_get_absolute_expression (&the_insn, &s);
1752 if (strict && the_insn.exp.X_op != O_constant)
1755 CHECK_FIELD (num, 32, 1, 0);
1756 INSERT_FIELD_AND_CONTINUE (opcode, 32 - num, 0);
1758 /* Handle a 5 bit immediate at 15. */
1760 num = pa_get_absolute_expression (&the_insn, &s);
1761 if (strict && the_insn.exp.X_op != O_constant)
1764 /* When in strict mode, we want to just reject this
1765 match instead of giving an out of range error. */
1766 CHECK_FIELD (num, 15, -16, strict);
1767 num = low_sign_unext (num, 5);
1768 INSERT_FIELD_AND_CONTINUE (opcode, num, 16);
1770 /* Handle a 5 bit immediate at 31. */
1772 num = pa_get_absolute_expression (&the_insn, &s);
1773 if (strict && the_insn.exp.X_op != O_constant)
1776 /* When in strict mode, we want to just reject this
1777 match instead of giving an out of range error. */
1778 CHECK_FIELD (num, 15, -16, strict);
1779 num = low_sign_unext (num, 5);
1780 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
1782 /* Handle an unsigned 5 bit immediate at 31. */
1784 num = pa_get_absolute_expression (&the_insn, &s);
1785 if (strict && the_insn.exp.X_op != O_constant)
1788 CHECK_FIELD (num, 31, 0, strict);
1789 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
1791 /* Handle an unsigned 5 bit immediate at 15. */
1793 num = pa_get_absolute_expression (&the_insn, &s);
1794 if (strict && the_insn.exp.X_op != O_constant)
1797 CHECK_FIELD (num, 31, 0, strict);
1798 INSERT_FIELD_AND_CONTINUE (opcode, num, 16);
1800 /* Handle an unsigned 10 bit immediate at 15. */
1802 num = pa_get_absolute_expression (&the_insn, &s);
1803 if (strict && the_insn.exp.X_op != O_constant)
1806 CHECK_FIELD (num, 1023, 0, strict);
1807 INSERT_FIELD_AND_CONTINUE (opcode, num, 16);
1809 /* Handle a 2 bit space identifier at 17. */
1811 if (!pa_parse_number (&s, 0))
1814 CHECK_FIELD (num, 3, 0, 1);
1815 INSERT_FIELD_AND_CONTINUE (opcode, num, 14);
1817 /* Handle a 3 bit space identifier at 18. */
1819 if (!pa_parse_number (&s, 0))
1822 CHECK_FIELD (num, 7, 0, 1);
1823 opcode |= re_assemble_3 (num);
1826 /* Handle all completers. */
1831 /* Handle a completer for an indexing load or store. */
1838 while (*s == ',' && i < 2)
1841 if (strncasecmp (s, "sm", 2) == 0)
1848 else if (strncasecmp (s, "m", 1) == 0)
1850 else if ((strncasecmp (s, "s ", 2) == 0)
1851 || (strncasecmp (s, "s,", 2) == 0))
1853 /* When in strict mode this is a match failure. */
1860 as_bad (_("Invalid Indexed Load Completer."));
1865 as_bad (_("Invalid Indexed Load Completer Syntax."));
1867 INSERT_FIELD_AND_CONTINUE (opcode, uu, 13);
1870 /* Handle a short load/store completer. */
1883 if (strncasecmp (s, "ma", 2) == 0)
1889 else if (strncasecmp (s, "mb", 2) == 0)
1896 /* When in strict mode, pass through for cache op. */
1897 if (!found && strict)
1902 as_bad (_("Invalid Short Load/Store Completer."));
1906 /* If we did not get a ma/mb completer, then we do not
1907 consider this a positive match for 'ce'. */
1908 else if (*args == 'e')
1911 /* 'J', 'm', 'M' and 'q' are the same, except for where they
1912 encode the before/after field. */
1913 if (*args == 'm' || *args == 'M')
1916 INSERT_FIELD_AND_CONTINUE (opcode, a, 13);
1918 else if (*args == 'q')
1921 INSERT_FIELD_AND_CONTINUE (opcode, a, 2);
1923 else if (*args == 'J')
1925 /* M bit is explicit in the major opcode. */
1926 INSERT_FIELD_AND_CONTINUE (opcode, a, 2);
1928 else if (*args == 'e')
1930 /* Stash the ma/mb flag temporarily in the
1931 instruction. We will use (and remove it)
1932 later when handling 'J', 'K', '<' & '>'. */
1938 /* Handle a stbys completer. */
1945 while (*s == ',' && i < 2)
1948 if (strncasecmp (s, "m", 1) == 0)
1950 else if ((strncasecmp (s, "b ", 2) == 0)
1951 || (strncasecmp (s, "b,", 2) == 0))
1953 else if (strncasecmp (s, "e", 1) == 0)
1955 /* When in strict mode this is a match failure. */
1962 as_bad (_("Invalid Store Bytes Short Completer"));
1967 as_bad (_("Invalid Store Bytes Short Completer"));
1969 INSERT_FIELD_AND_CONTINUE (opcode, a, 13);
1972 /* Handle load cache hint completer. */
1975 if (!strncmp (s, ",sl", 3))
1980 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 10);
1982 /* Handle store cache hint completer. */
1985 if (!strncmp (s, ",sl", 3))
1990 else if (!strncmp (s, ",bc", 3))
1995 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 10);
1997 /* Handle load and clear cache hint completer. */
2000 if (!strncmp (s, ",co", 3))
2005 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 10);
2007 /* Handle load ordering completer. */
2009 if (strncmp (s, ",o", 2) != 0)
2014 /* Handle a branch gate completer. */
2016 if (strncasecmp (s, ",gate", 5) != 0)
2021 /* Handle a branch link and push completer. */
2023 if (strncasecmp (s, ",l,push", 7) != 0)
2028 /* Handle a branch link completer. */
2030 if (strncasecmp (s, ",l", 2) != 0)
2035 /* Handle a branch pop completer. */
2037 if (strncasecmp (s, ",pop", 4) != 0)
2042 /* Handle a local processor completer. */
2044 if (strncasecmp (s, ",l", 2) != 0)
2049 /* Handle a PROBE read/write completer. */
2052 if (!strncasecmp (s, ",w", 2))
2057 else if (!strncasecmp (s, ",r", 2))
2063 INSERT_FIELD_AND_CONTINUE (opcode, flag, 6);
2065 /* Handle MFCTL wide completer. */
2067 if (strncasecmp (s, ",w", 2) != 0)
2072 /* Handle an RFI restore completer. */
2075 if (!strncasecmp (s, ",r", 2))
2081 INSERT_FIELD_AND_CONTINUE (opcode, flag, 5);
2083 /* Handle a system control completer. */
2085 if (*s == ',' && (*(s + 1) == 'm' || *(s + 1) == 'M'))
2093 INSERT_FIELD_AND_CONTINUE (opcode, flag, 5);
2095 /* Handle intermediate/final completer for DCOR. */
2098 if (!strncasecmp (s, ",i", 2))
2104 INSERT_FIELD_AND_CONTINUE (opcode, flag, 6);
2106 /* Handle zero/sign extension completer. */
2109 if (!strncasecmp (s, ",z", 2))
2115 INSERT_FIELD_AND_CONTINUE (opcode, flag, 10);
2117 /* Handle add completer. */
2120 if (!strncasecmp (s, ",l", 2))
2125 else if (!strncasecmp (s, ",tsv", 4))
2131 INSERT_FIELD_AND_CONTINUE (opcode, flag, 10);
2133 /* Handle 64 bit carry for ADD. */
2136 if (!strncasecmp (s, ",dc,tsv", 7) ||
2137 !strncasecmp (s, ",tsv,dc", 7))
2142 else if (!strncasecmp (s, ",dc", 3))
2150 INSERT_FIELD_AND_CONTINUE (opcode, flag, 11);
2152 /* Handle 32 bit carry for ADD. */
2155 if (!strncasecmp (s, ",c,tsv", 6) ||
2156 !strncasecmp (s, ",tsv,c", 6))
2161 else if (!strncasecmp (s, ",c", 2))
2169 INSERT_FIELD_AND_CONTINUE (opcode, flag, 11);
2171 /* Handle trap on signed overflow. */
2174 if (!strncasecmp (s, ",tsv", 4))
2180 INSERT_FIELD_AND_CONTINUE (opcode, flag, 11);
2182 /* Handle trap on condition and overflow. */
2185 if (!strncasecmp (s, ",tc,tsv", 7) ||
2186 !strncasecmp (s, ",tsv,tc", 7))
2191 else if (!strncasecmp (s, ",tc", 3))
2199 INSERT_FIELD_AND_CONTINUE (opcode, flag, 11);
2201 /* Handle 64 bit borrow for SUB. */
2204 if (!strncasecmp (s, ",db,tsv", 7) ||
2205 !strncasecmp (s, ",tsv,db", 7))
2210 else if (!strncasecmp (s, ",db", 3))
2218 INSERT_FIELD_AND_CONTINUE (opcode, flag, 11);
2220 /* Handle 32 bit borrow for SUB. */
2223 if (!strncasecmp (s, ",b,tsv", 6) ||
2224 !strncasecmp (s, ",tsv,b", 6))
2229 else if (!strncasecmp (s, ",b", 2))
2237 INSERT_FIELD_AND_CONTINUE (opcode, flag, 11);
2239 /* Handle trap condition completer for UADDCM. */
2242 if (!strncasecmp (s, ",tc", 3))
2248 INSERT_FIELD_AND_CONTINUE (opcode, flag, 6);
2250 /* Handle signed/unsigned at 21. */
2254 if (strncasecmp (s, ",s", 2) == 0)
2259 else if (strncasecmp (s, ",u", 2) == 0)
2265 INSERT_FIELD_AND_CONTINUE (opcode, sign, 10);
2268 /* Handle left/right combination at 17:18. */
2278 as_bad (_("Invalid left/right combination completer"));
2281 INSERT_FIELD_AND_CONTINUE (opcode, lr, 13);
2284 as_bad (_("Invalid left/right combination completer"));
2287 /* Handle saturation at 24:25. */
2291 if (strncasecmp (s, ",ss", 3) == 0)
2296 else if (strncasecmp (s, ",us", 3) == 0)
2302 INSERT_FIELD_AND_CONTINUE (opcode, sat, 6);
2305 /* Handle permutation completer. */
2333 as_bad (_("Invalid permutation completer"));
2335 opcode |= perm << permloc[i];
2340 as_bad (_("Invalid permutation completer"));
2348 /* Handle all conditions. */
2354 /* Handle FP compare conditions. */
2356 cond = pa_parse_fp_cmp_cond (&s);
2357 INSERT_FIELD_AND_CONTINUE (opcode, cond, 0);
2359 /* Handle an add condition. */
2368 /* 64 bit conditions. */
2380 while (*s != ',' && *s != ' ' && *s != '\t')
2384 if (strcmp (name, "=") == 0)
2386 else if (strcmp (name, "<") == 0)
2388 else if (strcmp (name, "<=") == 0)
2390 else if (strcasecmp (name, "nuv") == 0)
2392 else if (strcasecmp (name, "znv") == 0)
2394 else if (strcasecmp (name, "sv") == 0)
2396 else if (strcasecmp (name, "od") == 0)
2398 else if (strcasecmp (name, "tr") == 0)
2403 else if (strcmp (name, "<>") == 0)
2408 else if (strcmp (name, ">=") == 0)
2413 else if (strcmp (name, ">") == 0)
2418 else if (strcasecmp (name, "uv") == 0)
2423 else if (strcasecmp (name, "vnz") == 0)
2428 else if (strcasecmp (name, "nsv") == 0)
2433 else if (strcasecmp (name, "ev") == 0)
2438 /* ",*" is a valid condition. */
2439 else if (*args == 'a' || *name)
2440 as_bad (_("Invalid Add Condition: %s"), name);
2443 opcode |= cmpltr << 13;
2444 INSERT_FIELD_AND_CONTINUE (opcode, flag, 12);
2446 /* Handle non-negated add and branch condition. */
2448 cmpltr = pa_parse_nonneg_add_cmpltr (&s);
2451 as_bad (_("Invalid Add and Branch Condition"));
2454 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13);
2456 /* Handle 64 bit wide-mode add and branch condition. */
2458 cmpltr = pa_parse_addb_64_cmpltr (&s);
2461 as_bad (_("Invalid Add and Branch Condition"));
2466 /* Negated condition requires an opcode change. */
2467 opcode |= (cmpltr & 8) << 24;
2469 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr & 7, 13);
2471 /* Handle a negated or non-negated add and branch
2475 cmpltr = pa_parse_nonneg_add_cmpltr (&s);
2479 cmpltr = pa_parse_neg_add_cmpltr (&s);
2482 as_bad (_("Invalid Compare/Subtract Condition"));
2487 /* Negated condition requires an opcode change. */
2491 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13);
2493 /* Handle branch on bit conditions. */
2511 if (strncmp (s, "<", 1) == 0)
2516 else if (strncmp (s, ">=", 2) == 0)
2522 as_bad (_("Invalid Bit Branch Condition: %c"), *s);
2524 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 15);
2526 /* Handle a compare/subtract condition. */
2535 /* 64 bit conditions. */
2547 while (*s != ',' && *s != ' ' && *s != '\t')
2551 if (strcmp (name, "=") == 0)
2553 else if (strcmp (name, "<") == 0)
2555 else if (strcmp (name, "<=") == 0)
2557 else if (strcasecmp (name, "<<") == 0)
2559 else if (strcasecmp (name, "<<=") == 0)
2561 else if (strcasecmp (name, "sv") == 0)
2563 else if (strcasecmp (name, "od") == 0)
2565 else if (strcasecmp (name, "tr") == 0)
2570 else if (strcmp (name, "<>") == 0)
2575 else if (strcmp (name, ">=") == 0)
2580 else if (strcmp (name, ">") == 0)
2585 else if (strcasecmp (name, ">>=") == 0)
2590 else if (strcasecmp (name, ">>") == 0)
2595 else if (strcasecmp (name, "nsv") == 0)
2600 else if (strcasecmp (name, "ev") == 0)
2605 /* ",*" is a valid condition. */
2606 else if (*args != 'S' || *name)
2607 as_bad (_("Invalid Compare/Subtract Condition: %s"),
2611 opcode |= cmpltr << 13;
2612 INSERT_FIELD_AND_CONTINUE (opcode, flag, 12);
2614 /* Handle a non-negated compare condition. */
2616 cmpltr = pa_parse_nonneg_cmpsub_cmpltr (&s);
2619 as_bad (_("Invalid Compare/Subtract Condition"));
2622 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13);
2624 /* Handle a 32 bit compare and branch condition. */
2627 cmpltr = pa_parse_nonneg_cmpsub_cmpltr (&s);
2631 cmpltr = pa_parse_neg_cmpsub_cmpltr (&s);
2634 as_bad (_("Invalid Compare and Branch Condition"));
2639 /* Negated condition requires an opcode change. */
2644 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13);
2646 /* Handle a 64 bit compare and branch condition. */
2648 cmpltr = pa_parse_cmpb_64_cmpltr (&s);
2651 /* Negated condition requires an opcode change. */
2652 opcode |= (cmpltr & 8) << 26;
2655 /* Not a 64 bit cond. Give 32 bit a chance. */
2658 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr & 7, 13);
2660 /* Handle a 64 bit cmpib condition. */
2662 cmpltr = pa_parse_cmpib_64_cmpltr (&s);
2664 /* Not a 64 bit cond. Give 32 bit a chance. */
2667 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13);
2669 /* Handle a logical instruction condition. */
2678 /* 64 bit conditions. */
2690 while (*s != ',' && *s != ' ' && *s != '\t')
2695 if (strcmp (name, "=") == 0)
2697 else if (strcmp (name, "<") == 0)
2699 else if (strcmp (name, "<=") == 0)
2701 else if (strcasecmp (name, "od") == 0)
2703 else if (strcasecmp (name, "tr") == 0)
2708 else if (strcmp (name, "<>") == 0)
2713 else if (strcmp (name, ">=") == 0)
2718 else if (strcmp (name, ">") == 0)
2723 else if (strcasecmp (name, "ev") == 0)
2728 /* ",*" is a valid condition. */
2729 else if (*args != 'L' || *name)
2730 as_bad (_("Invalid Logical Instruction Condition."));
2733 opcode |= cmpltr << 13;
2734 INSERT_FIELD_AND_CONTINUE (opcode, flag, 12);
2736 /* Handle a shift/extract/deposit condition. */
2745 /* 64 bit conditions. */
2757 while (*s != ',' && *s != ' ' && *s != '\t')
2761 if (strcmp (name, "=") == 0)
2763 else if (strcmp (name, "<") == 0)
2765 else if (strcasecmp (name, "od") == 0)
2767 else if (strcasecmp (name, "tr") == 0)
2769 else if (strcmp (name, "<>") == 0)
2771 else if (strcmp (name, ">=") == 0)
2773 else if (strcasecmp (name, "ev") == 0)
2775 /* Handle movb,n. Put things back the way they were.
2776 This includes moving s back to where it started. */
2777 else if (strcasecmp (name, "n") == 0 && *args == 'y')
2783 /* ",*" is a valid condition. */
2784 else if (*args != 'X' || *name)
2785 as_bad (_("Invalid Shift/Extract/Deposit Condition."));
2788 INSERT_FIELD_AND_CONTINUE (opcode, cmpltr, 13);
2790 /* Handle a unit instruction condition. */
2799 /* 64 bit conditions. */
2810 if (strncasecmp (s, "sbz", 3) == 0)
2815 else if (strncasecmp (s, "shz", 3) == 0)
2820 else if (strncasecmp (s, "sdc", 3) == 0)
2825 else if (strncasecmp (s, "sbc", 3) == 0)
2830 else if (strncasecmp (s, "shc", 3) == 0)
2835 else if (strncasecmp (s, "tr", 2) == 0)
2841 else if (strncasecmp (s, "nbz", 3) == 0)
2847 else if (strncasecmp (s, "nhz", 3) == 0)
2853 else if (strncasecmp (s, "ndc", 3) == 0)
2859 else if (strncasecmp (s, "nbc", 3) == 0)
2865 else if (strncasecmp (s, "nhc", 3) == 0)
2871 else if (strncasecmp (s, "swz", 3) == 0)
2877 else if (strncasecmp (s, "swc", 3) == 0)
2883 else if (strncasecmp (s, "nwz", 3) == 0)
2889 else if (strncasecmp (s, "nwc", 3) == 0)
2895 /* ",*" is a valid condition. */
2896 else if (*args != 'U' || (*s != ' ' && *s != '\t'))
2897 as_bad (_("Invalid Unit Instruction Condition."));
2899 opcode |= cmpltr << 13;
2900 INSERT_FIELD_AND_CONTINUE (opcode, flag, 12);
2908 /* Handle a nullification completer for branch instructions. */
2910 nullif = pa_parse_nullif (&s);
2911 INSERT_FIELD_AND_CONTINUE (opcode, nullif, 1);
2913 /* Handle a nullification completer for copr and spop insns. */
2915 nullif = pa_parse_nullif (&s);
2916 INSERT_FIELD_AND_CONTINUE (opcode, nullif, 5);
2918 /* Handle ,%r2 completer for new syntax branches. */
2920 if (*s == ',' && strncasecmp (s + 1, "%r2", 3) == 0)
2922 else if (*s == ',' && strncasecmp (s + 1, "%rp", 3) == 0)
2928 /* Handle 3 bit entry into the fp compare array. Valid values
2929 are 0..6 inclusive. */
2933 if (the_insn.exp.X_op == O_constant)
2935 num = evaluate_absolute (&the_insn);
2936 CHECK_FIELD (num, 6, 0, 0);
2938 INSERT_FIELD_AND_CONTINUE (opcode, num, 13);
2943 /* Handle 3 bit entry into the fp compare array. Valid values
2944 are 0..6 inclusive. */
2947 if (the_insn.exp.X_op == O_constant)
2950 num = evaluate_absolute (&the_insn);
2951 CHECK_FIELD (num, 6, 0, 0);
2952 num = (num + 1) ^ 1;
2953 INSERT_FIELD_AND_CONTINUE (opcode, num, 13);
2958 /* Handle graphics test completers for ftest */
2961 num = pa_parse_ftest_gfx_completer (&s);
2962 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
2965 /* Handle a 11 bit immediate at 31. */
2967 the_insn.field_selector = pa_chk_field_selector (&s);
2970 if (the_insn.exp.X_op == O_constant)
2972 num = evaluate_absolute (&the_insn);
2973 CHECK_FIELD (num, 1023, -1024, 0);
2974 num = low_sign_unext (num, 11);
2975 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
2979 if (is_DP_relative (the_insn.exp))
2980 the_insn.reloc = R_HPPA_GOTOFF;
2981 else if (is_PC_relative (the_insn.exp))
2982 the_insn.reloc = R_HPPA_PCREL_CALL;
2984 the_insn.reloc = R_HPPA;
2985 the_insn.format = 11;
2989 /* Handle a 14 bit immediate at 31. */
2991 the_insn.field_selector = pa_chk_field_selector (&s);
2994 if (the_insn.exp.X_op == O_constant)
2998 /* XXX the completer stored away tidbits of information
2999 for us to extract. We need a cleaner way to do this.
3000 Now that we have lots of letters again, it would be
3001 good to rethink this. */
3004 num = evaluate_absolute (&the_insn);
3005 if (mb != (num < 0))
3007 CHECK_FIELD (num, 8191, -8192, 0);
3008 num = low_sign_unext (num, 14);
3009 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
3013 /* Handle a 14 bit immediate at 31. */
3015 the_insn.field_selector = pa_chk_field_selector (&s);
3018 if (the_insn.exp.X_op == O_constant)
3024 num = evaluate_absolute (&the_insn);
3025 if (mb == (num < 0))
3029 CHECK_FIELD (num, 8191, -8192, 0);
3030 num = low_sign_unext (num, 14);
3031 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
3035 /* Handle a 16 bit immediate at 31. */
3037 the_insn.field_selector = pa_chk_field_selector (&s);
3040 if (the_insn.exp.X_op == O_constant)
3046 num = evaluate_absolute (&the_insn);
3047 if (mb != (num < 0))
3049 CHECK_FIELD (num, 32767, -32768, 0);
3050 num = re_assemble_16 (num);
3051 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
3055 /* Handle a 16 bit immediate at 31. */
3057 the_insn.field_selector = pa_chk_field_selector (&s);
3060 if (the_insn.exp.X_op == O_constant)
3066 num = evaluate_absolute (&the_insn);
3067 if (mb == (num < 0))
3071 CHECK_FIELD (num, 32767, -32768, 0);
3072 num = re_assemble_16 (num);
3073 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
3077 /* Handle 14 bit immediate, shifted left three times. */
3079 the_insn.field_selector = pa_chk_field_selector (&s);
3082 if (the_insn.exp.X_op == O_constant)
3084 num = evaluate_absolute (&the_insn);
3087 CHECK_FIELD (num, 8191, -8192, 0);
3092 INSERT_FIELD_AND_CONTINUE (opcode, num, 4);
3096 if (is_DP_relative (the_insn.exp))
3097 the_insn.reloc = R_HPPA_GOTOFF;
3098 else if (is_PC_relative (the_insn.exp))
3099 the_insn.reloc = R_HPPA_PCREL_CALL;
3101 the_insn.reloc = R_HPPA;
3102 the_insn.format = 14;
3107 /* Handle 14 bit immediate, shifted left twice. */
3109 the_insn.field_selector = pa_chk_field_selector (&s);
3112 if (the_insn.exp.X_op == O_constant)
3114 num = evaluate_absolute (&the_insn);
3117 CHECK_FIELD (num, 8191, -8192, 0);
3122 INSERT_FIELD_AND_CONTINUE (opcode, num, 3);
3126 if (is_DP_relative (the_insn.exp))
3127 the_insn.reloc = R_HPPA_GOTOFF;
3128 else if (is_PC_relative (the_insn.exp))
3129 the_insn.reloc = R_HPPA_PCREL_CALL;
3131 the_insn.reloc = R_HPPA;
3132 the_insn.format = 14;
3136 /* Handle a 14 bit immediate at 31. */
3138 the_insn.field_selector = pa_chk_field_selector (&s);
3141 if (the_insn.exp.X_op == O_constant)
3143 num = evaluate_absolute (&the_insn);
3144 CHECK_FIELD (num, 8191, -8192, 0);
3145 num = low_sign_unext (num, 14);
3146 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
3150 if (is_DP_relative (the_insn.exp))
3151 the_insn.reloc = R_HPPA_GOTOFF;
3152 else if (is_PC_relative (the_insn.exp))
3153 the_insn.reloc = R_HPPA_PCREL_CALL;
3155 the_insn.reloc = R_HPPA;
3156 the_insn.format = 14;
3160 /* Handle a 21 bit immediate at 31. */
3162 the_insn.field_selector = pa_chk_field_selector (&s);
3165 if (the_insn.exp.X_op == O_constant)
3167 num = evaluate_absolute (&the_insn);
3168 CHECK_FIELD (num >> 11, 1048575, -1048576, 0);
3169 opcode |= re_assemble_21 (num);
3174 if (is_DP_relative (the_insn.exp))
3175 the_insn.reloc = R_HPPA_GOTOFF;
3176 else if (is_PC_relative (the_insn.exp))
3177 the_insn.reloc = R_HPPA_PCREL_CALL;
3179 the_insn.reloc = R_HPPA;
3180 the_insn.format = 21;
3184 /* Handle a 16 bit immediate at 31 (PA 2.0 wide mode only). */
3186 the_insn.field_selector = pa_chk_field_selector (&s);
3189 if (the_insn.exp.X_op == O_constant)
3191 num = evaluate_absolute (&the_insn);
3192 CHECK_FIELD (num, 32767, -32768, 0);
3193 opcode |= re_assemble_16 (num);
3198 /* ??? Is this valid for wide mode? */
3199 if (is_DP_relative (the_insn.exp))
3200 the_insn.reloc = R_HPPA_GOTOFF;
3201 else if (is_PC_relative (the_insn.exp))
3202 the_insn.reloc = R_HPPA_PCREL_CALL;
3204 the_insn.reloc = R_HPPA;
3205 the_insn.format = 14;
3209 /* Handle a word-aligned 16-bit imm. at 31 (PA2.0 wide). */
3211 the_insn.field_selector = pa_chk_field_selector (&s);
3214 if (the_insn.exp.X_op == O_constant)
3216 num = evaluate_absolute (&the_insn);
3217 CHECK_FIELD (num, 32767, -32768, 0);
3218 CHECK_ALIGN (num, 4, 0);
3219 opcode |= re_assemble_16 (num);
3224 /* ??? Is this valid for wide mode? */
3225 if (is_DP_relative (the_insn.exp))
3226 the_insn.reloc = R_HPPA_GOTOFF;
3227 else if (is_PC_relative (the_insn.exp))
3228 the_insn.reloc = R_HPPA_PCREL_CALL;
3230 the_insn.reloc = R_HPPA;
3231 the_insn.format = 14;
3235 /* Handle a dword-aligned 16-bit imm. at 31 (PA2.0 wide). */
3237 the_insn.field_selector = pa_chk_field_selector (&s);
3240 if (the_insn.exp.X_op == O_constant)
3242 num = evaluate_absolute (&the_insn);
3243 CHECK_FIELD (num, 32767, -32768, 0);
3244 CHECK_ALIGN (num, 8, 0);
3245 opcode |= re_assemble_16 (num);
3250 /* ??? Is this valid for wide mode? */
3251 if (is_DP_relative (the_insn.exp))
3252 the_insn.reloc = R_HPPA_GOTOFF;
3253 else if (is_PC_relative (the_insn.exp))
3254 the_insn.reloc = R_HPPA_PCREL_CALL;
3256 the_insn.reloc = R_HPPA;
3257 the_insn.format = 14;
3261 /* Handle a 12 bit branch displacement. */
3263 the_insn.field_selector = pa_chk_field_selector (&s);
3267 if (!the_insn.exp.X_add_symbol
3268 || !strcmp (S_GET_NAME (the_insn.exp.X_add_symbol),
3271 num = evaluate_absolute (&the_insn);
3274 as_bad (_("Branch to unaligned address"));
3277 if (the_insn.exp.X_add_symbol)
3279 CHECK_FIELD (num, 8191, -8192, 0);
3280 opcode |= re_assemble_12 (num >> 2);
3285 the_insn.reloc = R_HPPA_PCREL_CALL;
3286 the_insn.format = 12;
3287 the_insn.arg_reloc = last_call_desc.arg_reloc;
3288 memset (&last_call_desc, 0, sizeof (struct call_desc));
3293 /* Handle a 17 bit branch displacement. */
3295 the_insn.field_selector = pa_chk_field_selector (&s);
3299 if (!the_insn.exp.X_add_symbol
3300 || !strcmp (S_GET_NAME (the_insn.exp.X_add_symbol),
3303 num = evaluate_absolute (&the_insn);
3306 as_bad (_("Branch to unaligned address"));
3309 if (the_insn.exp.X_add_symbol)
3311 CHECK_FIELD (num, 262143, -262144, 0);
3312 opcode |= re_assemble_17 (num >> 2);
3317 the_insn.reloc = R_HPPA_PCREL_CALL;
3318 the_insn.format = 17;
3319 the_insn.arg_reloc = last_call_desc.arg_reloc;
3320 memset (&last_call_desc, 0, sizeof (struct call_desc));
3324 /* Handle a 22 bit branch displacement. */
3326 the_insn.field_selector = pa_chk_field_selector (&s);
3330 if (!the_insn.exp.X_add_symbol
3331 || !strcmp (S_GET_NAME (the_insn.exp.X_add_symbol),
3334 num = evaluate_absolute (&the_insn);
3337 as_bad (_("Branch to unaligned address"));
3340 if (the_insn.exp.X_add_symbol)
3342 CHECK_FIELD (num, 8388607, -8388608, 0);
3343 opcode |= re_assemble_22 (num >> 2);
3347 the_insn.reloc = R_HPPA_PCREL_CALL;
3348 the_insn.format = 22;
3349 the_insn.arg_reloc = last_call_desc.arg_reloc;
3350 memset (&last_call_desc, 0, sizeof (struct call_desc));
3354 /* Handle an absolute 17 bit branch target. */
3356 the_insn.field_selector = pa_chk_field_selector (&s);
3360 if (!the_insn.exp.X_add_symbol
3361 || !strcmp (S_GET_NAME (the_insn.exp.X_add_symbol),
3364 num = evaluate_absolute (&the_insn);
3367 as_bad (_("Branch to unaligned address"));
3370 if (the_insn.exp.X_add_symbol)
3372 CHECK_FIELD (num, 262143, -262144, 0);
3373 opcode |= re_assemble_17 (num >> 2);
3378 the_insn.reloc = R_HPPA_ABS_CALL;
3379 the_insn.format = 17;
3380 the_insn.arg_reloc = last_call_desc.arg_reloc;
3381 memset (&last_call_desc, 0, sizeof (struct call_desc));
3385 /* Handle '%r1' implicit operand of addil instruction. */
3387 if (*s == ',' && *(s + 1) == '%' && *(s + 3) == '1'
3388 && (*(s + 2) == 'r' || *(s + 2) == 'R'))
3396 /* Handle '%sr0,%r31' implicit operand of be,l instruction. */
3398 if (strncasecmp (s, "%sr0,%r31", 9) != 0)
3403 /* Handle immediate value of 0 for ordered load/store instructions. */
3410 /* Handle a 2 bit shift count at 25. */
3412 num = pa_get_absolute_expression (&the_insn, &s);
3413 if (strict && the_insn.exp.X_op != O_constant)
3416 CHECK_FIELD (num, 3, 1, strict);
3417 INSERT_FIELD_AND_CONTINUE (opcode, num, 6);
3419 /* Handle a 4 bit shift count at 25. */
3421 num = pa_get_absolute_expression (&the_insn, &s);
3422 if (strict && the_insn.exp.X_op != O_constant)
3425 CHECK_FIELD (num, 15, 0, strict);
3426 INSERT_FIELD_AND_CONTINUE (opcode, num, 6);
3428 /* Handle a 5 bit shift count at 26. */
3430 num = pa_get_absolute_expression (&the_insn, &s);
3431 if (strict && the_insn.exp.X_op != O_constant)
3434 CHECK_FIELD (num, 31, 0, strict);
3435 INSERT_FIELD_AND_CONTINUE (opcode, 31 - num, 5);
3437 /* Handle a 6 bit shift count at 20,22:26. */
3439 num = pa_get_absolute_expression (&the_insn, &s);
3440 if (strict && the_insn.exp.X_op != O_constant)
3443 CHECK_FIELD (num, 63, 0, strict);
3445 opcode |= (num & 0x20) << 6;
3446 INSERT_FIELD_AND_CONTINUE (opcode, num & 0x1f, 5);
3448 /* Handle a 6 bit field length at 23,27:31. */
3451 num = pa_get_absolute_expression (&the_insn, &s);
3452 if (strict && the_insn.exp.X_op != O_constant)
3455 CHECK_FIELD (num, 64, 1, strict);
3457 opcode |= (num & 0x20) << 3;
3458 num = 31 - (num & 0x1f);
3459 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
3461 /* Handle a 6 bit field length at 19,27:31. */
3463 num = pa_get_absolute_expression (&the_insn, &s);
3464 if (strict && the_insn.exp.X_op != O_constant)
3467 CHECK_FIELD (num, 64, 1, strict);
3469 opcode |= (num & 0x20) << 7;
3470 num = 31 - (num & 0x1f);
3471 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
3473 /* Handle a 5 bit bit position at 26. */
3475 num = pa_get_absolute_expression (&the_insn, &s);
3476 if (strict && the_insn.exp.X_op != O_constant)
3479 CHECK_FIELD (num, 31, 0, strict);
3480 INSERT_FIELD_AND_CONTINUE (opcode, num, 5);
3482 /* Handle a 6 bit bit position at 20,22:26. */
3484 num = pa_get_absolute_expression (&the_insn, &s);
3485 if (strict && the_insn.exp.X_op != O_constant)
3488 CHECK_FIELD (num, 63, 0, strict);
3489 opcode |= (num & 0x20) << 6;
3490 INSERT_FIELD_AND_CONTINUE (opcode, num & 0x1f, 5);
3492 /* Handle a 5 bit immediate at 10 with 'd' as the complement
3493 of the high bit of the immediate. */
3495 num = pa_get_absolute_expression (&the_insn, &s);
3496 if (strict && the_insn.exp.X_op != O_constant)
3499 CHECK_FIELD (num, 63, 0, strict);
3503 opcode |= (1 << 13);
3504 INSERT_FIELD_AND_CONTINUE (opcode, num & 0x1f, 21);
3506 /* Handle a 5 bit immediate at 10. */
3508 num = pa_get_absolute_expression (&the_insn, &s);
3509 if (strict && the_insn.exp.X_op != O_constant)
3512 CHECK_FIELD (num, 31, 0, strict);
3513 INSERT_FIELD_AND_CONTINUE (opcode, num, 21);
3515 /* Handle a 9 bit immediate at 28. */
3517 num = pa_get_absolute_expression (&the_insn, &s);
3518 if (strict && the_insn.exp.X_op != O_constant)
3521 CHECK_FIELD (num, 511, 1, strict);
3522 INSERT_FIELD_AND_CONTINUE (opcode, num, 3);
3524 /* Handle a 13 bit immediate at 18. */
3526 num = pa_get_absolute_expression (&the_insn, &s);
3527 if (strict && the_insn.exp.X_op != O_constant)
3530 CHECK_FIELD (num, 8191, 0, strict);
3531 INSERT_FIELD_AND_CONTINUE (opcode, num, 13);
3533 /* Handle a 26 bit immediate at 31. */
3535 num = pa_get_absolute_expression (&the_insn, &s);
3536 if (strict && the_insn.exp.X_op != O_constant)
3539 CHECK_FIELD (num, 67108863, 0, strict);
3540 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
3542 /* Handle a 3 bit SFU identifier at 25. */
3545 as_bad (_("Invalid SFU identifier"));
3546 num = pa_get_absolute_expression (&the_insn, &s);
3547 if (strict && the_insn.exp.X_op != O_constant)
3550 CHECK_FIELD (num, 7, 0, strict);
3551 INSERT_FIELD_AND_CONTINUE (opcode, num, 6);
3553 /* Handle a 20 bit SOP field for spop0. */
3555 num = pa_get_absolute_expression (&the_insn, &s);
3556 if (strict && the_insn.exp.X_op != O_constant)
3559 CHECK_FIELD (num, 1048575, 0, strict);
3560 num = (num & 0x1f) | ((num & 0x000fffe0) << 6);
3561 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
3563 /* Handle a 15bit SOP field for spop1. */
3565 num = pa_get_absolute_expression (&the_insn, &s);
3566 if (strict && the_insn.exp.X_op != O_constant)
3569 CHECK_FIELD (num, 32767, 0, strict);
3570 INSERT_FIELD_AND_CONTINUE (opcode, num, 11);
3572 /* Handle a 10bit SOP field for spop3. */
3574 num = pa_get_absolute_expression (&the_insn, &s);
3575 if (strict && the_insn.exp.X_op != O_constant)
3578 CHECK_FIELD (num, 1023, 0, strict);
3579 num = (num & 0x1f) | ((num & 0x000003e0) << 6);
3580 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
3582 /* Handle a 15 bit SOP field for spop2. */
3584 num = pa_get_absolute_expression (&the_insn, &s);
3585 if (strict && the_insn.exp.X_op != O_constant)
3588 CHECK_FIELD (num, 32767, 0, strict);
3589 num = (num & 0x1f) | ((num & 0x00007fe0) << 6);
3590 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
3592 /* Handle a 3-bit co-processor ID field. */
3595 as_bad (_("Invalid COPR identifier"));
3596 num = pa_get_absolute_expression (&the_insn, &s);
3597 if (strict && the_insn.exp.X_op != O_constant)
3600 CHECK_FIELD (num, 7, 0, strict);
3601 INSERT_FIELD_AND_CONTINUE (opcode, num, 6);
3603 /* Handle a 22bit SOP field for copr. */
3605 num = pa_get_absolute_expression (&the_insn, &s);
3606 if (strict && the_insn.exp.X_op != O_constant)
3609 CHECK_FIELD (num, 4194303, 0, strict);
3610 num = (num & 0x1f) | ((num & 0x003fffe0) << 4);
3611 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
3613 /* Handle a source FP operand format completer. */
3615 if (*s == ',' && *(s+1) == 't')
3622 flag = pa_parse_fp_cnv_format (&s);
3623 the_insn.fpof1 = flag;
3624 if (flag == W || flag == UW)
3626 if (flag == DW || flag == UDW)
3628 if (flag == QW || flag == UQW)
3630 INSERT_FIELD_AND_CONTINUE (opcode, flag, 11);
3632 /* Handle a destination FP operand format completer. */
3634 /* pa_parse_format needs the ',' prefix. */
3636 flag = pa_parse_fp_cnv_format (&s);
3637 the_insn.fpof2 = flag;
3638 if (flag == W || flag == UW)
3640 if (flag == DW || flag == UDW)
3642 if (flag == QW || flag == UQW)
3644 opcode |= flag << 13;
3645 if (the_insn.fpof1 == SGL
3646 || the_insn.fpof1 == DBL
3647 || the_insn.fpof1 == QUAD)
3649 if (the_insn.fpof2 == SGL
3650 || the_insn.fpof2 == DBL
3651 || the_insn.fpof2 == QUAD)
3653 else if (the_insn.fpof2 == W
3654 || the_insn.fpof2 == DW
3655 || the_insn.fpof2 == QW)
3657 else if (the_insn.fpof2 == UW
3658 || the_insn.fpof2 == UDW
3659 || the_insn.fpof2 == UQW)
3664 else if (the_insn.fpof1 == W
3665 || the_insn.fpof1 == DW
3666 || the_insn.fpof1 == QW)
3668 if (the_insn.fpof2 == SGL
3669 || the_insn.fpof2 == DBL
3670 || the_insn.fpof2 == QUAD)
3675 else if (the_insn.fpof1 == UW
3676 || the_insn.fpof1 == UDW
3677 || the_insn.fpof1 == UQW)
3679 if (the_insn.fpof2 == SGL
3680 || the_insn.fpof2 == DBL
3681 || the_insn.fpof2 == QUAD)
3686 flag |= the_insn.trunc;
3687 INSERT_FIELD_AND_CONTINUE (opcode, flag, 15);
3689 /* Handle a source FP operand format completer. */
3691 flag = pa_parse_fp_format (&s);
3692 the_insn.fpof1 = flag;
3693 INSERT_FIELD_AND_CONTINUE (opcode, flag, 11);
3695 /* Handle a destination FP operand format completer. */
3697 /* pa_parse_format needs the ',' prefix. */
3699 flag = pa_parse_fp_format (&s);
3700 the_insn.fpof2 = flag;
3701 INSERT_FIELD_AND_CONTINUE (opcode, flag, 13);
3703 /* Handle a source FP operand format completer at 20. */
3705 flag = pa_parse_fp_format (&s);
3706 the_insn.fpof1 = flag;
3707 INSERT_FIELD_AND_CONTINUE (opcode, flag, 11);
3709 /* Handle a floating point operand format at 26.
3710 Only allows single and double precision. */
3712 flag = pa_parse_fp_format (&s);
3718 the_insn.fpof1 = flag;
3724 as_bad (_("Invalid Floating Point Operand Format."));
3728 /* Handle all floating point registers. */
3732 /* Float target register. */
3734 if (!pa_parse_number (&s, 3))
3736 num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE;
3737 CHECK_FIELD (num, 31, 0, 0);
3738 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
3740 /* Float target register with L/R selection. */
3743 if (!pa_parse_number (&s, 1))
3745 num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE;
3746 CHECK_FIELD (num, 31, 0, 0);
3749 /* 0x30 opcodes are FP arithmetic operation opcodes
3750 and need to be turned into 0x38 opcodes. This
3751 is not necessary for loads/stores. */
3752 if (need_pa11_opcode ()
3753 && ((opcode & 0xfc000000) == 0x30000000))
3756 opcode |= (pa_number & FP_REG_RSEL ? 1 << 6 : 0);
3760 /* Float operand 1. */
3763 if (!pa_parse_number (&s, 1))
3765 num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE;
3766 CHECK_FIELD (num, 31, 0, 0);
3767 opcode |= num << 21;
3768 if (need_pa11_opcode ())
3770 opcode |= (pa_number & FP_REG_RSEL ? 1 << 7 : 0);
3776 /* Float operand 1 with L/R selection. */
3780 if (!pa_parse_number (&s, 1))
3782 num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE;
3783 CHECK_FIELD (num, 31, 0, 0);
3784 opcode |= num << 21;
3785 opcode |= (pa_number & FP_REG_RSEL ? 1 << 7 : 0);
3789 /* Float operand 2. */
3792 if (!pa_parse_number (&s, 1))
3794 num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE;
3795 CHECK_FIELD (num, 31, 0, 0);
3796 opcode |= num << 16;
3797 if (need_pa11_opcode ())
3799 opcode |= (pa_number & FP_REG_RSEL ? 1 << 12 : 0);
3805 /* Float operand 2 with L/R selection. */
3808 if (!pa_parse_number (&s, 1))
3810 num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE;
3811 CHECK_FIELD (num, 31, 0, 0);
3812 opcode |= num << 16;
3813 opcode |= (pa_number & FP_REG_RSEL ? 1 << 12 : 0);
3817 /* Float operand 3 for fmpyfadd, fmpynfadd. */
3820 if (!pa_parse_number (&s, 1))
3822 num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE;
3823 CHECK_FIELD (num, 31, 0, 0);
3824 opcode |= (num & 0x1c) << 11;
3825 opcode |= (num & 0x03) << 9;
3826 opcode |= (pa_number & FP_REG_RSEL ? 1 << 8 : 0);
3830 /* Float mult operand 1 for fmpyadd, fmpysub */
3833 if (!pa_parse_number (&s, 1))
3835 num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE;
3836 CHECK_FIELD (num, 31, 0, 0);
3837 if (the_insn.fpof1 == SGL)
3841 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3845 num |= (pa_number & FP_REG_RSEL ? 1 << 4 : 0);
3847 INSERT_FIELD_AND_CONTINUE (opcode, num, 21);
3850 /* Float mult operand 2 for fmpyadd, fmpysub */
3853 if (!pa_parse_number (&s, 1))
3855 num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE;
3856 CHECK_FIELD (num, 31, 0, 0);
3857 if (the_insn.fpof1 == SGL)
3861 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3865 num |= (pa_number & FP_REG_RSEL ? 1 << 4 : 0);
3867 INSERT_FIELD_AND_CONTINUE (opcode, num, 16);
3870 /* Float mult target for fmpyadd, fmpysub */
3873 if (!pa_parse_number (&s, 1))
3875 num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE;
3876 CHECK_FIELD (num, 31, 0, 0);
3877 if (the_insn.fpof1 == SGL)
3881 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3885 num |= (pa_number & FP_REG_RSEL ? 1 << 4 : 0);
3887 INSERT_FIELD_AND_CONTINUE (opcode, num, 0);
3890 /* Float add operand 1 for fmpyadd, fmpysub */
3893 if (!pa_parse_number (&s, 1))
3895 num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE;
3896 CHECK_FIELD (num, 31, 0, 0);
3897 if (the_insn.fpof1 == SGL)
3901 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3905 num |= (pa_number & FP_REG_RSEL ? 1 << 4 : 0);
3907 INSERT_FIELD_AND_CONTINUE (opcode, num, 6);
3910 /* Float add target for fmpyadd, fmpysub */
3913 if (!pa_parse_number (&s, 1))
3915 num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE;
3916 CHECK_FIELD (num, 31, 0, 0);
3917 if (the_insn.fpof1 == SGL)
3921 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
3925 num |= (pa_number & FP_REG_RSEL ? 1 << 4 : 0);
3927 INSERT_FIELD_AND_CONTINUE (opcode, num, 11);
3930 /* Handle L/R register halves like 'x'. */
3934 if (!pa_parse_number (&s, 1))
3936 num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE;
3937 CHECK_FIELD (num, 31, 0, 0);
3938 opcode |= num << 16;
3939 if (need_pa11_opcode ())
3941 opcode |= (pa_number & FP_REG_RSEL ? 1 << 1 : 0);
3946 /* Float target register (PA 2.0 wide). */
3948 if (!pa_parse_number (&s, 3))
3950 num = (pa_number & ~FP_REG_RSEL) - FP_REG_BASE;
3951 CHECK_FIELD (num, 31, 0, 0);
3952 INSERT_FIELD_AND_CONTINUE (opcode, num, 16);
3966 /* Check if the args matched. */
3969 if (&insn[1] - pa_opcodes < (int) NUMOPCODES
3970 && !strcmp (insn->name, insn[1].name))
3978 as_bad (_("Invalid operands %s"), error_message);
3985 the_insn.opcode = opcode;
3988 /* Turn a string in input_line_pointer into a floating point constant of type
3989 type, and store the appropriate bytes in *litP. The number of LITTLENUMS
3990 emitted is stored in *sizeP . An error message or NULL is returned. */
3992 #define MAX_LITTLENUMS 6
3995 md_atof (type, litP, sizeP)
4001 LITTLENUM_TYPE words[MAX_LITTLENUMS];
4002 LITTLENUM_TYPE *wordP;
4034 return _("Bad call to MD_ATOF()");
4036 t = atof_ieee (input_line_pointer, type, words);
4038 input_line_pointer = t;
4039 *sizeP = prec * sizeof (LITTLENUM_TYPE);
4040 for (wordP = words; prec--;)
4042 md_number_to_chars (litP, (valueT) (*wordP++), sizeof (LITTLENUM_TYPE));
4043 litP += sizeof (LITTLENUM_TYPE);
4048 /* Write out big-endian. */
4051 md_number_to_chars (buf, val, n)
4056 number_to_chars_bigendian (buf, val, n);
4059 /* Translate internal representation of relocation info to BFD target
4063 tc_gen_reloc (section, fixp)
4068 struct hppa_fix_struct *hppa_fixp;
4069 static arelent *no_relocs = NULL;
4076 hppa_fixp = (struct hppa_fix_struct *) fixp->tc_fix_data;
4077 if (fixp->fx_addsy == 0)
4080 assert (hppa_fixp != 0);
4081 assert (section != 0);
4083 reloc = (arelent *) xmalloc (sizeof (arelent));
4085 reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
4086 *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
4087 codes = hppa_gen_reloc_type (stdoutput,
4089 hppa_fixp->fx_r_format,
4090 hppa_fixp->fx_r_field,
4091 fixp->fx_subsy != NULL,
4092 symbol_get_bfdsym (fixp->fx_addsy));
4096 as_bad_where (fixp->fx_file, fixp->fx_line, _("Cannot handle fixup"));
4100 for (n_relocs = 0; codes[n_relocs]; n_relocs++)
4103 relocs = (arelent **) xmalloc (sizeof (arelent *) * n_relocs + 1);
4104 reloc = (arelent *) xmalloc (sizeof (arelent) * n_relocs);
4105 for (i = 0; i < n_relocs; i++)
4106 relocs[i] = &reloc[i];
4108 relocs[n_relocs] = NULL;
4111 switch (fixp->fx_r_type)
4114 assert (n_relocs == 1);
4118 /* Now, do any processing that is dependent on the relocation type. */
4121 case R_PARISC_DLTREL21L:
4122 case R_PARISC_DLTREL14R:
4123 case R_PARISC_DLTREL14F:
4124 case R_PARISC_PLABEL32:
4125 case R_PARISC_PLABEL21L:
4126 case R_PARISC_PLABEL14R:
4127 /* For plabel relocations, the addend of the
4128 relocation should be either 0 (no static link) or 2
4129 (static link required). This adjustment is done in
4130 bfd/elf32-hppa.c:elf32_hppa_relocate_section.
4132 We also slam a zero addend into the DLT relative relocs;
4133 it doesn't make a lot of sense to use any addend since
4134 it gets you a different (eg unknown) DLT entry. */
4138 #ifdef ELF_ARG_RELOC
4139 case R_PARISC_PCREL17R:
4140 case R_PARISC_PCREL17F:
4141 case R_PARISC_PCREL17C:
4142 case R_PARISC_DIR17R:
4143 case R_PARISC_DIR17F:
4144 case R_PARISC_PCREL21L:
4145 case R_PARISC_DIR21L:
4146 reloc->addend = HPPA_R_ADDEND (hppa_fixp->fx_arg_reloc,
4151 case R_PARISC_DIR32:
4152 /* Facilitate hand-crafted unwind info. */
4153 if (strcmp (section->name, UNWIND_SECTION_NAME) == 0)
4154 code = R_PARISC_SEGREL32;
4158 reloc->addend = fixp->fx_offset;
4162 reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
4163 *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
4164 reloc->howto = bfd_reloc_type_lookup (stdoutput,
4165 (bfd_reloc_code_real_type) code);
4166 reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
4168 assert (reloc->howto && (unsigned int) code == reloc->howto->type);
4173 /* Walk over reach relocation returned by the BFD backend. */
4174 for (i = 0; i < n_relocs; i++)
4178 relocs[i]->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
4179 *relocs[i]->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
4181 bfd_reloc_type_lookup (stdoutput,
4182 (bfd_reloc_code_real_type) code);
4183 relocs[i]->address = fixp->fx_frag->fr_address + fixp->fx_where;
4188 /* The only time we ever use a R_COMP2 fixup is for the difference
4189 of two symbols. With that in mind we fill in all four
4190 relocs now and break out of the loop. */
4192 relocs[0]->sym_ptr_ptr = (asymbol **) &(bfd_abs_symbol);
4194 bfd_reloc_type_lookup (stdoutput,
4195 (bfd_reloc_code_real_type) *codes[0]);
4196 relocs[0]->address = fixp->fx_frag->fr_address + fixp->fx_where;
4197 relocs[0]->addend = 0;
4198 relocs[1]->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
4199 *relocs[1]->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
4201 bfd_reloc_type_lookup (stdoutput,
4202 (bfd_reloc_code_real_type) *codes[1]);
4203 relocs[1]->address = fixp->fx_frag->fr_address + fixp->fx_where;
4204 relocs[1]->addend = 0;
4205 relocs[2]->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
4206 *relocs[2]->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_subsy);
4208 bfd_reloc_type_lookup (stdoutput,
4209 (bfd_reloc_code_real_type) *codes[2]);
4210 relocs[2]->address = fixp->fx_frag->fr_address + fixp->fx_where;
4211 relocs[2]->addend = 0;
4212 relocs[3]->sym_ptr_ptr = (asymbol **) &(bfd_abs_symbol);
4214 bfd_reloc_type_lookup (stdoutput,
4215 (bfd_reloc_code_real_type) *codes[3]);
4216 relocs[3]->address = fixp->fx_frag->fr_address + fixp->fx_where;
4217 relocs[3]->addend = 0;
4218 relocs[4]->sym_ptr_ptr = (asymbol **) &(bfd_abs_symbol);
4220 bfd_reloc_type_lookup (stdoutput,
4221 (bfd_reloc_code_real_type) *codes[4]);
4222 relocs[4]->address = fixp->fx_frag->fr_address + fixp->fx_where;
4223 relocs[4]->addend = 0;
4227 relocs[i]->addend = HPPA_R_ADDEND (hppa_fixp->fx_arg_reloc, 0);
4233 /* For plabel relocations, the addend of the
4234 relocation should be either 0 (no static link) or 2
4235 (static link required).
4237 FIXME: We always assume no static link!
4239 We also slam a zero addend into the DLT relative relocs;
4240 it doesn't make a lot of sense to use any addend since
4241 it gets you a different (eg unknown) DLT entry. */
4242 relocs[i]->addend = 0;
4257 /* There is no symbol or addend associated with these fixups. */
4258 relocs[i]->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
4259 *relocs[i]->sym_ptr_ptr = symbol_get_bfdsym (dummy_symbol);
4260 relocs[i]->addend = 0;
4266 /* There is no symbol associated with these fixups. */
4267 relocs[i]->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
4268 *relocs[i]->sym_ptr_ptr = symbol_get_bfdsym (dummy_symbol);
4269 relocs[i]->addend = fixp->fx_offset;
4273 relocs[i]->addend = fixp->fx_offset;
4283 /* Process any machine dependent frag types. */
4286 md_convert_frag (abfd, sec, fragP)
4287 register bfd *abfd ATTRIBUTE_UNUSED;
4288 register asection *sec ATTRIBUTE_UNUSED;
4289 register fragS *fragP;
4291 unsigned int address;
4293 if (fragP->fr_type == rs_machine_dependent)
4295 switch ((int) fragP->fr_subtype)
4298 fragP->fr_type = rs_fill;
4299 know (fragP->fr_var == 1);
4300 know (fragP->fr_next);
4301 address = fragP->fr_address + fragP->fr_fix;
4302 if (address % fragP->fr_offset)
4305 fragP->fr_next->fr_address
4310 fragP->fr_offset = 0;
4316 /* Round up a section size to the appropriate boundary. */
4319 md_section_align (segment, size)
4323 int align = bfd_get_section_alignment (stdoutput, segment);
4324 int align2 = (1 << align) - 1;
4326 return (size + align2) & ~align2;
4329 /* Return the approximate size of a frag before relaxation has occurred. */
4331 md_estimate_size_before_relax (fragP, segment)
4332 register fragS *fragP;
4333 asection *segment ATTRIBUTE_UNUSED;
4339 while ((fragP->fr_fix + size) % fragP->fr_offset)
4346 # ifdef WARN_COMMENTS
4347 const char *md_shortopts = "Vc";
4349 const char *md_shortopts = "V";
4352 # ifdef WARN_COMMENTS
4353 const char *md_shortopts = "c";
4355 const char *md_shortopts = "";
4359 struct option md_longopts[] = {
4360 #ifdef WARN_COMMENTS
4361 {"warn-comment", no_argument, NULL, 'c'},
4363 {NULL, no_argument, NULL, 0}
4365 size_t md_longopts_size = sizeof (md_longopts);
4368 md_parse_option (c, arg)
4369 int c ATTRIBUTE_UNUSED;
4370 char *arg ATTRIBUTE_UNUSED;
4379 print_version_id ();
4382 #ifdef WARN_COMMENTS
4393 md_show_usage (stream)
4394 FILE *stream ATTRIBUTE_UNUSED;
4397 fprintf (stream, _("\
4400 #ifdef WARN_COMMENTS
4401 fprintf (stream, _("\
4402 -c print a warning if a comment is found\n"));
4406 /* We have no need to default values of symbols. */
4409 md_undefined_symbol (name)
4410 char *name ATTRIBUTE_UNUSED;
4415 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
4416 #define nonzero_dibits(x) \
4417 ((x) | (((x) & 0x55555555) << 1) | (((x) & 0xAAAAAAAA) >> 1))
4418 #define arg_reloc_stub_needed(CALLER, CALLEE) \
4419 (((CALLER) ^ (CALLEE)) & nonzero_dibits (CALLER) & nonzero_dibits (CALLEE))
4421 #define arg_reloc_stub_needed(CALLER, CALLEE) 0
4424 /* Apply a fixup to an instruction. */
4427 md_apply_fix3 (fixP, valP, seg)
4430 segT seg ATTRIBUTE_UNUSED;
4433 struct hppa_fix_struct *hppa_fixP;
4437 /* SOM uses R_HPPA_ENTRY and R_HPPA_EXIT relocations which can
4438 never be "applied" (they are just markers). Likewise for
4439 R_HPPA_BEGIN_BRTAB and R_HPPA_END_BRTAB. */
4441 if (fixP->fx_r_type == R_HPPA_ENTRY
4442 || fixP->fx_r_type == R_HPPA_EXIT
4443 || fixP->fx_r_type == R_HPPA_BEGIN_BRTAB
4444 || fixP->fx_r_type == R_HPPA_END_BRTAB
4445 || fixP->fx_r_type == R_HPPA_BEGIN_TRY)
4448 /* Disgusting. We must set fx_offset ourselves -- R_HPPA_END_TRY
4449 fixups are considered not adjustable, which in turn causes
4450 adjust_reloc_syms to not set fx_offset. Ugh. */
4451 if (fixP->fx_r_type == R_HPPA_END_TRY)
4453 fixP->fx_offset = * valP;
4458 if (fixP->fx_r_type == (int) R_PARISC_GNU_VTENTRY
4459 || fixP->fx_r_type == (int) R_PARISC_GNU_VTINHERIT)
4463 if (fixP->fx_addsy == NULL && fixP->fx_pcrel == 0)
4466 /* There should have been an HPPA specific fixup associated
4467 with the GAS fixup. */
4468 hppa_fixP = (struct hppa_fix_struct *) fixP->tc_fix_data;
4469 if (hppa_fixP == NULL)
4471 as_bad_where (fixP->fx_file, fixP->fx_line,
4472 _("no hppa_fixup entry for fixup type 0x%x"),
4477 buf = (unsigned char *) (fixP->fx_frag->fr_literal + fixP->fx_where);
4478 insn = bfd_get_32 (stdoutput, buf);
4479 fmt = bfd_hppa_insn2fmt (stdoutput, insn);
4481 /* If there is a symbol associated with this fixup, then it's something
4482 which will need a SOM relocation (except for some PC-relative relocs).
4483 In such cases we should treat the "val" or "addend" as zero since it
4484 will be added in as needed from fx_offset in tc_gen_reloc. */
4485 if ((fixP->fx_addsy != NULL
4486 || fixP->fx_r_type == (int) R_HPPA_NONE)
4491 new_val = ((fmt == 12 || fmt == 17 || fmt == 22) ? 8 : 0);
4493 /* These field selectors imply that we do not want an addend. */
4494 else if (hppa_fixP->fx_r_field == e_psel
4495 || hppa_fixP->fx_r_field == e_rpsel
4496 || hppa_fixP->fx_r_field == e_lpsel
4497 || hppa_fixP->fx_r_field == e_tsel
4498 || hppa_fixP->fx_r_field == e_rtsel
4499 || hppa_fixP->fx_r_field == e_ltsel)
4500 new_val = ((fmt == 12 || fmt == 17 || fmt == 22) ? 8 : 0);
4503 new_val = hppa_field_adjust (* valP, 0, hppa_fixP->fx_r_field);
4505 /* Handle pc-relative exceptions from above. */
4506 if ((fmt == 12 || fmt == 17 || fmt == 22)
4509 && !arg_reloc_stub_needed (symbol_arg_reloc_info (fixP->fx_addsy),
4510 hppa_fixP->fx_arg_reloc)
4512 && (* valP - 8 + 8192 < 16384
4513 || (fmt == 17 && * valP - 8 + 262144 < 524288)
4514 || (fmt == 22 && * valP - 8 + 8388608 < 16777216))
4517 && (* valP - 8 + 262144 < 524288
4518 || (fmt == 22 && * valP - 8 + 8388608 < 16777216))
4520 && !S_IS_EXTERNAL (fixP->fx_addsy)
4521 && !S_IS_WEAK (fixP->fx_addsy)
4522 && S_GET_SEGMENT (fixP->fx_addsy) == hppa_fixP->segment
4524 && S_GET_SEGMENT (fixP->fx_subsy) != hppa_fixP->segment))
4526 new_val = hppa_field_adjust (* valP, 0, hppa_fixP->fx_r_field);
4532 CHECK_FIELD_WHERE (new_val, 8191, -8192,
4533 fixP->fx_file, fixP->fx_line);
4536 insn = (insn & ~ 0x3ff1) | (((val & 0x1ff8) << 1)
4537 | ((val & 0x2000) >> 13));
4540 CHECK_FIELD_WHERE (new_val, 8191, -8192,
4541 fixP->fx_file, fixP->fx_line);
4544 insn = (insn & ~ 0x3ff9) | (((val & 0x1ffc) << 1)
4545 | ((val & 0x2000) >> 13));
4547 /* Handle all opcodes with the 'j' operand type. */
4549 CHECK_FIELD_WHERE (new_val, 8191, -8192,
4550 fixP->fx_file, fixP->fx_line);
4553 insn = ((insn & ~ 0x3fff) | low_sign_unext (val, 14));
4556 /* Handle all opcodes with the 'k' operand type. */
4558 CHECK_FIELD_WHERE (new_val, 1048575, -1048576,
4559 fixP->fx_file, fixP->fx_line);
4562 insn = (insn & ~ 0x1fffff) | re_assemble_21 (val);
4565 /* Handle all the opcodes with the 'i' operand type. */
4567 CHECK_FIELD_WHERE (new_val, 1023, -1024,
4568 fixP->fx_file, fixP->fx_line);
4571 insn = (insn & ~ 0x7ff) | low_sign_unext (val, 11);
4574 /* Handle all the opcodes with the 'w' operand type. */
4576 CHECK_FIELD_WHERE (new_val - 8, 8191, -8192,
4577 fixP->fx_file, fixP->fx_line);
4580 insn = (insn & ~ 0x1ffd) | re_assemble_12 (val >> 2);
4583 /* Handle some of the opcodes with the 'W' operand type. */
4586 offsetT distance = * valP;
4588 /* If this is an absolute branch (ie no link) with an out of
4589 range target, then we want to complain. */
4590 if (fixP->fx_r_type == (int) R_HPPA_PCREL_CALL
4591 && (insn & 0xffe00000) == 0xe8000000)
4592 CHECK_FIELD_WHERE (distance - 8, 262143, -262144,
4593 fixP->fx_file, fixP->fx_line);
4595 CHECK_FIELD_WHERE (new_val - 8, 262143, -262144,
4596 fixP->fx_file, fixP->fx_line);
4599 insn = (insn & ~ 0x1f1ffd) | re_assemble_17 (val >> 2);
4605 offsetT distance = * valP;
4607 /* If this is an absolute branch (ie no link) with an out of
4608 range target, then we want to complain. */
4609 if (fixP->fx_r_type == (int) R_HPPA_PCREL_CALL
4610 && (insn & 0xffe00000) == 0xe8000000)
4611 CHECK_FIELD_WHERE (distance - 8, 8388607, -8388608,
4612 fixP->fx_file, fixP->fx_line);
4614 CHECK_FIELD_WHERE (new_val - 8, 8388607, -8388608,
4615 fixP->fx_file, fixP->fx_line);
4618 insn = (insn & ~ 0x3ff1ffd) | re_assemble_22 (val >> 2);
4624 insn = (insn & ~ 0xfff1) | re_assemble_16 (val & -8);
4629 insn = (insn & ~ 0xfff9) | re_assemble_16 (val & -4);
4634 insn = (insn & ~ 0xffff) | re_assemble_16 (val);
4642 as_bad_where (fixP->fx_file, fixP->fx_line,
4643 _("Unknown relocation encountered in md_apply_fix."));
4647 /* Insert the relocation. */
4648 bfd_put_32 (stdoutput, insn, buf);
4651 /* Exactly what point is a PC-relative offset relative TO?
4652 On the PA, they're relative to the address of the offset. */
4655 md_pcrel_from (fixP)
4658 return fixP->fx_where + fixP->fx_frag->fr_address;
4661 /* Return nonzero if the input line pointer is at the end of
4665 is_end_of_statement ()
4667 return ((*input_line_pointer == '\n')
4668 || (*input_line_pointer == ';')
4669 || (*input_line_pointer == '!'));
4672 /* Read a number from S. The number might come in one of many forms,
4673 the most common will be a hex or decimal constant, but it could be
4674 a pre-defined register (Yuk!), or an absolute symbol.
4676 Return 1 on success or 0 on failure. If STRICT, then a missing
4677 register prefix will cause a failure. The number itself is
4678 returned in `pa_number'.
4680 IS_FLOAT indicates that a PA-89 FP register number should be
4681 parsed; A `l' or `r' suffix is checked for if but 2 of IS_FLOAT is
4684 pa_parse_number can not handle negative constants and will fail
4685 horribly if it is passed such a constant. */
4688 pa_parse_number (s, is_float)
4698 bfd_boolean have_prefix;
4700 /* Skip whitespace before the number. */
4701 while (*p == ' ' || *p == '\t')
4707 if (!strict && ISDIGIT (*p))
4709 /* Looks like a number. */
4711 if (*p == '0' && (*(p + 1) == 'x' || *(p + 1) == 'X'))
4713 /* The number is specified in hex. */
4715 while (ISDIGIT (*p) || ((*p >= 'a') && (*p <= 'f'))
4716 || ((*p >= 'A') && (*p <= 'F')))
4719 num = num * 16 + *p - '0';
4720 else if (*p >= 'a' && *p <= 'f')
4721 num = num * 16 + *p - 'a' + 10;
4723 num = num * 16 + *p - 'A' + 10;
4729 /* The number is specified in decimal. */
4730 while (ISDIGIT (*p))
4732 num = num * 10 + *p - '0';
4739 /* Check for a `l' or `r' suffix. */
4742 pa_number += FP_REG_BASE;
4743 if (! (is_float & 2))
4745 if (IS_R_SELECT (p))
4747 pa_number += FP_REG_RSEL;
4750 else if (IS_L_SELECT (p))
4759 /* The number might be a predefined register. */
4764 /* Tege hack: Special case for general registers as the general
4765 code makes a binary search with case translation, and is VERY
4770 if (*p == 'e' && *(p + 1) == 't'
4771 && (*(p + 2) == '0' || *(p + 2) == '1'))
4774 num = *p - '0' + 28;
4782 else if (!ISDIGIT (*p))
4785 as_bad (_("Undefined register: '%s'."), name);
4791 num = num * 10 + *p++ - '0';
4792 while (ISDIGIT (*p));
4797 /* Do a normal register search. */
4798 while (is_part_of_name (c))
4804 status = reg_name_search (name);
4810 as_bad (_("Undefined register: '%s'."), name);
4820 /* And finally, it could be a symbol in the absolute section which
4821 is effectively a constant, or a register alias symbol. */
4824 while (is_part_of_name (c))
4830 if ((sym = symbol_find (name)) != NULL)
4832 if (S_GET_SEGMENT (sym) == reg_section)
4834 num = S_GET_VALUE (sym);
4835 /* Well, we don't really have one, but we do have a
4839 else if (S_GET_SEGMENT (sym) == &bfd_abs_section)
4840 num = S_GET_VALUE (sym);
4844 as_bad (_("Non-absolute symbol: '%s'."), name);
4850 /* There is where we'd come for an undefined symbol
4851 or for an empty string. For an empty string we
4852 will return zero. That's a concession made for
4853 compatibility with the braindamaged HP assemblers. */
4859 as_bad (_("Undefined absolute constant: '%s'."), name);
4868 if (!strict || have_prefix)
4876 #define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct pd_reg))
4878 /* Given NAME, find the register number associated with that name, return
4879 the integer value associated with the given name or -1 on failure. */
4882 reg_name_search (name)
4885 int middle, low, high;
4889 high = REG_NAME_CNT - 1;
4893 middle = (low + high) / 2;
4894 cmp = strcasecmp (name, pre_defined_registers[middle].name);
4900 return pre_defined_registers[middle].value;
4902 while (low <= high);
4907 /* Return nonzero if the given INSN and L/R information will require
4908 a new PA-1.1 opcode. */
4913 if ((pa_number & FP_REG_RSEL) != 0
4914 && !(the_insn.fpof1 == DBL && the_insn.fpof2 == DBL))
4916 /* If this instruction is specific to a particular architecture,
4917 then set a new architecture. */
4918 if (bfd_get_mach (stdoutput) < pa11)
4920 if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, pa11))
4921 as_warn (_("could not update architecture and machine"));
4929 /* Parse a condition for a fcmp instruction. Return the numerical
4930 code associated with the condition. */
4933 pa_parse_fp_cmp_cond (s)
4940 for (i = 0; i < 32; i++)
4942 if (strncasecmp (*s, fp_cond_map[i].string,
4943 strlen (fp_cond_map[i].string)) == 0)
4945 cond = fp_cond_map[i].cond;
4946 *s += strlen (fp_cond_map[i].string);
4947 /* If not a complete match, back up the input string and
4949 if (**s != ' ' && **s != '\t')
4951 *s -= strlen (fp_cond_map[i].string);
4954 while (**s == ' ' || **s == '\t')
4960 as_bad (_("Invalid FP Compare Condition: %s"), *s);
4962 /* Advance over the bogus completer. */
4963 while (**s != ',' && **s != ' ' && **s != '\t')
4969 /* Parse a graphics test complete for ftest. */
4972 pa_parse_ftest_gfx_completer (s)
4978 if (strncasecmp (*s, "acc8", 4) == 0)
4983 else if (strncasecmp (*s, "acc6", 4) == 0)
4988 else if (strncasecmp (*s, "acc4", 4) == 0)
4993 else if (strncasecmp (*s, "acc2", 4) == 0)
4998 else if (strncasecmp (*s, "acc", 3) == 0)
5003 else if (strncasecmp (*s, "rej8", 4) == 0)
5008 else if (strncasecmp (*s, "rej", 3) == 0)
5016 as_bad (_("Invalid FTEST completer: %s"), *s);
5022 /* Parse an FP operand format completer returning the completer
5025 static fp_operand_format
5026 pa_parse_fp_cnv_format (s)
5035 if (strncasecmp (*s, "sgl", 3) == 0)
5040 else if (strncasecmp (*s, "dbl", 3) == 0)
5045 else if (strncasecmp (*s, "quad", 4) == 0)
5050 else if (strncasecmp (*s, "w", 1) == 0)
5055 else if (strncasecmp (*s, "uw", 2) == 0)
5060 else if (strncasecmp (*s, "dw", 2) == 0)
5065 else if (strncasecmp (*s, "udw", 3) == 0)
5070 else if (strncasecmp (*s, "qw", 2) == 0)
5075 else if (strncasecmp (*s, "uqw", 3) == 0)
5082 format = ILLEGAL_FMT;
5083 as_bad (_("Invalid FP Operand Format: %3s"), *s);
5090 /* Parse an FP operand format completer returning the completer
5093 static fp_operand_format
5094 pa_parse_fp_format (s)
5103 if (strncasecmp (*s, "sgl", 3) == 0)
5108 else if (strncasecmp (*s, "dbl", 3) == 0)
5113 else if (strncasecmp (*s, "quad", 4) == 0)
5120 format = ILLEGAL_FMT;
5121 as_bad (_("Invalid FP Operand Format: %3s"), *s);
5128 /* Convert from a selector string into a selector type. */
5131 pa_chk_field_selector (str)
5134 int middle, low, high;
5138 /* Read past any whitespace. */
5139 /* FIXME: should we read past newlines and formfeeds??? */
5140 while (**str == ' ' || **str == '\t' || **str == '\n' || **str == '\f')
5143 if ((*str)[1] == '\'' || (*str)[1] == '%')
5144 name[0] = TOLOWER ((*str)[0]),
5146 else if ((*str)[2] == '\'' || (*str)[2] == '%')
5147 name[0] = TOLOWER ((*str)[0]),
5148 name[1] = TOLOWER ((*str)[1]),
5150 else if ((*str)[3] == '\'' || (*str)[3] == '%')
5151 name[0] = TOLOWER ((*str)[0]),
5152 name[1] = TOLOWER ((*str)[1]),
5153 name[2] = TOLOWER ((*str)[2]),
5159 high = sizeof (selector_table) / sizeof (struct selector_entry) - 1;
5163 middle = (low + high) / 2;
5164 cmp = strcmp (name, selector_table[middle].prefix);
5171 *str += strlen (name) + 1;
5173 if (selector_table[middle].field_selector == e_nsel)
5176 return selector_table[middle].field_selector;
5179 while (low <= high);
5184 /* Mark (via expr_end) the end of an expression (I think). FIXME. */
5187 get_expression (str)
5193 save_in = input_line_pointer;
5194 input_line_pointer = str;
5195 seg = expression (&the_insn.exp);
5196 if (!(seg == absolute_section
5197 || seg == undefined_section
5198 || SEG_NORMAL (seg)))
5200 as_warn (_("Bad segment in expression."));
5201 expr_end = input_line_pointer;
5202 input_line_pointer = save_in;
5205 expr_end = input_line_pointer;
5206 input_line_pointer = save_in;
5210 /* Mark (via expr_end) the end of an absolute expression. FIXME. */
5212 pa_get_absolute_expression (insn, strp)
5218 insn->field_selector = pa_chk_field_selector (strp);
5219 save_in = input_line_pointer;
5220 input_line_pointer = *strp;
5221 expression (&insn->exp);
5222 /* This is not perfect, but is a huge improvement over doing nothing.
5224 The PA assembly syntax is ambiguous in a variety of ways. Consider
5225 this string "4 %r5" Is that the number 4 followed by the register
5226 r5, or is that 4 MOD r5?
5228 If we get a modulo expression when looking for an absolute, we try
5229 again cutting off the input string at the first whitespace character. */
5230 if (insn->exp.X_op == O_modulus)
5235 input_line_pointer = *strp;
5237 while (*s != ',' && *s != ' ' && *s != '\t')
5243 retval = pa_get_absolute_expression (insn, strp);
5245 input_line_pointer = save_in;
5247 return evaluate_absolute (insn);
5249 /* When in strict mode we have a non-match, fix up the pointers
5250 and return to our caller. */
5251 if (insn->exp.X_op != O_constant && strict)
5253 expr_end = input_line_pointer;
5254 input_line_pointer = save_in;
5257 if (insn->exp.X_op != O_constant)
5259 as_bad (_("Bad segment (should be absolute)."));
5260 expr_end = input_line_pointer;
5261 input_line_pointer = save_in;
5264 expr_end = input_line_pointer;
5265 input_line_pointer = save_in;
5266 return evaluate_absolute (insn);
5269 /* Evaluate an absolute expression EXP which may be modified by
5270 the selector FIELD_SELECTOR. Return the value of the expression. */
5272 evaluate_absolute (insn)
5277 int field_selector = insn->field_selector;
5280 value = exp.X_add_number;
5282 return hppa_field_adjust (0, value, field_selector);
5285 /* Given an argument location specification return the associated
5286 argument location number. */
5289 pa_build_arg_reloc (type_name)
5293 if (strncasecmp (type_name, "no", 2) == 0)
5295 if (strncasecmp (type_name, "gr", 2) == 0)
5297 else if (strncasecmp (type_name, "fr", 2) == 0)
5299 else if (strncasecmp (type_name, "fu", 2) == 0)
5302 as_bad (_("Invalid argument location: %s\n"), type_name);
5307 /* Encode and return an argument relocation specification for
5308 the given register in the location specified by arg_reloc. */
5311 pa_align_arg_reloc (reg, arg_reloc)
5313 unsigned int arg_reloc;
5315 unsigned int new_reloc;
5317 new_reloc = arg_reloc;
5333 as_bad (_("Invalid argument description: %d"), reg);
5339 /* Parse a PA nullification completer (,n). Return nonzero if the
5340 completer was found; return zero if no completer was found. */
5352 if (strncasecmp (*s, "n", 1) == 0)
5356 as_bad (_("Invalid Nullification: (%c)"), **s);
5365 /* Parse a non-negated compare/subtract completer returning the
5366 number (for encoding in instructions) of the given completer. */
5369 pa_parse_nonneg_cmpsub_cmpltr (s)
5373 char *name = *s + 1;
5382 while (**s != ',' && **s != ' ' && **s != '\t')
5387 if (strcmp (name, "=") == 0)
5391 else if (strcmp (name, "<") == 0)
5395 else if (strcmp (name, "<=") == 0)
5399 else if (strcmp (name, "<<") == 0)
5403 else if (strcmp (name, "<<=") == 0)
5407 else if (strcasecmp (name, "sv") == 0)
5411 else if (strcasecmp (name, "od") == 0)
5415 /* If we have something like addb,n then there is no condition
5417 else if (strcasecmp (name, "n") == 0)
5429 /* Reset pointers if this was really a ,n for a branch instruction. */
5436 /* Parse a negated compare/subtract completer returning the
5437 number (for encoding in instructions) of the given completer. */
5440 pa_parse_neg_cmpsub_cmpltr (s)
5444 char *name = *s + 1;
5453 while (**s != ',' && **s != ' ' && **s != '\t')
5458 if (strcasecmp (name, "tr") == 0)
5462 else if (strcmp (name, "<>") == 0)
5466 else if (strcmp (name, ">=") == 0)
5470 else if (strcmp (name, ">") == 0)
5474 else if (strcmp (name, ">>=") == 0)
5478 else if (strcmp (name, ">>") == 0)
5482 else if (strcasecmp (name, "nsv") == 0)
5486 else if (strcasecmp (name, "ev") == 0)
5490 /* If we have something like addb,n then there is no condition
5492 else if (strcasecmp (name, "n") == 0)
5504 /* Reset pointers if this was really a ,n for a branch instruction. */
5511 /* Parse a 64 bit compare and branch completer returning the number (for
5512 encoding in instructions) of the given completer.
5514 Nonnegated comparisons are returned as 0-7, negated comparisons are
5515 returned as 8-15. */
5518 pa_parse_cmpb_64_cmpltr (s)
5522 char *name = *s + 1;
5529 while (**s != ',' && **s != ' ' && **s != '\t')
5534 if (strcmp (name, "*") == 0)
5538 else if (strcmp (name, "*=") == 0)
5542 else if (strcmp (name, "*<") == 0)
5546 else if (strcmp (name, "*<=") == 0)
5550 else if (strcmp (name, "*<<") == 0)
5554 else if (strcmp (name, "*<<=") == 0)
5558 else if (strcasecmp (name, "*sv") == 0)
5562 else if (strcasecmp (name, "*od") == 0)
5566 else if (strcasecmp (name, "*tr") == 0)
5570 else if (strcmp (name, "*<>") == 0)
5574 else if (strcmp (name, "*>=") == 0)
5578 else if (strcmp (name, "*>") == 0)
5582 else if (strcmp (name, "*>>=") == 0)
5586 else if (strcmp (name, "*>>") == 0)
5590 else if (strcasecmp (name, "*nsv") == 0)
5594 else if (strcasecmp (name, "*ev") == 0)
5608 /* Parse a 64 bit compare immediate and branch completer returning the number
5609 (for encoding in instructions) of the given completer. */
5612 pa_parse_cmpib_64_cmpltr (s)
5616 char *name = *s + 1;
5623 while (**s != ',' && **s != ' ' && **s != '\t')
5628 if (strcmp (name, "*<<") == 0)
5632 else if (strcmp (name, "*=") == 0)
5636 else if (strcmp (name, "*<") == 0)
5640 else if (strcmp (name, "*<=") == 0)
5644 else if (strcmp (name, "*>>=") == 0)
5648 else if (strcmp (name, "*<>") == 0)
5652 else if (strcasecmp (name, "*>=") == 0)
5656 else if (strcasecmp (name, "*>") == 0)
5670 /* Parse a non-negated addition completer returning the number
5671 (for encoding in instructions) of the given completer. */
5674 pa_parse_nonneg_add_cmpltr (s)
5678 char *name = *s + 1;
5687 while (**s != ',' && **s != ' ' && **s != '\t')
5691 if (strcmp (name, "=") == 0)
5695 else if (strcmp (name, "<") == 0)
5699 else if (strcmp (name, "<=") == 0)
5703 else if (strcasecmp (name, "nuv") == 0)
5707 else if (strcasecmp (name, "znv") == 0)
5711 else if (strcasecmp (name, "sv") == 0)
5715 else if (strcasecmp (name, "od") == 0)
5719 /* If we have something like addb,n then there is no condition
5721 else if (strcasecmp (name, "n") == 0)
5733 /* Reset pointers if this was really a ,n for a branch instruction. */
5740 /* Parse a negated addition completer returning the number
5741 (for encoding in instructions) of the given completer. */
5744 pa_parse_neg_add_cmpltr (s)
5748 char *name = *s + 1;
5757 while (**s != ',' && **s != ' ' && **s != '\t')
5761 if (strcasecmp (name, "tr") == 0)
5765 else if (strcmp (name, "<>") == 0)
5769 else if (strcmp (name, ">=") == 0)
5773 else if (strcmp (name, ">") == 0)
5777 else if (strcasecmp (name, "uv") == 0)
5781 else if (strcasecmp (name, "vnz") == 0)
5785 else if (strcasecmp (name, "nsv") == 0)
5789 else if (strcasecmp (name, "ev") == 0)
5793 /* If we have something like addb,n then there is no condition
5795 else if (strcasecmp (name, "n") == 0)
5807 /* Reset pointers if this was really a ,n for a branch instruction. */
5814 /* Parse a 64 bit wide mode add and branch completer returning the number (for
5815 encoding in instructions) of the given completer. */
5818 pa_parse_addb_64_cmpltr (s)
5822 char *name = *s + 1;
5831 while (**s != ',' && **s != ' ' && **s != '\t')
5835 if (strcmp (name, "=") == 0)
5839 else if (strcmp (name, "<") == 0)
5843 else if (strcmp (name, "<=") == 0)
5847 else if (strcasecmp (name, "nuv") == 0)
5851 else if (strcasecmp (name, "*=") == 0)
5855 else if (strcasecmp (name, "*<") == 0)
5859 else if (strcasecmp (name, "*<=") == 0)
5863 else if (strcmp (name, "tr") == 0)
5867 else if (strcmp (name, "<>") == 0)
5871 else if (strcmp (name, ">=") == 0)
5875 else if (strcmp (name, ">") == 0)
5879 else if (strcasecmp (name, "uv") == 0)
5883 else if (strcasecmp (name, "*<>") == 0)
5887 else if (strcasecmp (name, "*>=") == 0)
5891 else if (strcasecmp (name, "*>") == 0)
5895 /* If we have something like addb,n then there is no condition
5897 else if (strcasecmp (name, "n") == 0)
5909 /* Reset pointers if this was really a ,n for a branch instruction. */
5917 /* Handle an alignment directive. Special so that we can update the
5918 alignment of the subspace if necessary. */
5923 /* We must have a valid space and subspace. */
5924 pa_check_current_space_and_subspace ();
5926 /* Let the generic gas code do most of the work. */
5927 s_align_bytes (bytes);
5929 /* If bytes is a power of 2, then update the current subspace's
5930 alignment if necessary. */
5931 if (exact_log2 (bytes) != -1)
5932 record_alignment (current_subspace->ssd_seg, exact_log2 (bytes));
5936 /* Handle a .BLOCK type pseudo-op. */
5940 int z ATTRIBUTE_UNUSED;
5944 unsigned int temp_size;
5948 /* We must have a valid space and subspace. */
5949 pa_check_current_space_and_subspace ();
5952 temp_size = get_absolute_expression ();
5954 if (temp_size > 0x3FFFFFFF)
5956 as_bad (_("Argument to .BLOCK/.BLOCKZ must be between 0 and 0x3fffffff"));
5960 /* Always fill with zeros, that's what the HP assembler does. */
5963 p = frag_var (rs_fill, (int) temp_size, (int) temp_size,
5964 (relax_substateT) 0, (symbolS *) 0, (offsetT) 1, NULL);
5965 memset (p, 0, temp_size);
5967 /* Convert 2 bytes at a time. */
5969 for (i = 0; i < temp_size; i += 2)
5971 md_number_to_chars (p + i,
5973 (int) ((temp_size - i) > 2 ? 2 : (temp_size - i)));
5976 pa_undefine_label ();
5977 demand_empty_rest_of_line ();
5980 /* Handle a .begin_brtab and .end_brtab pseudo-op. */
5984 int begin ATTRIBUTE_UNUSED;
5988 /* The BRTAB relocations are only available in SOM (to denote
5989 the beginning and end of branch tables). */
5990 char *where = frag_more (0);
5992 fix_new_hppa (frag_now, where - frag_now->fr_literal, 0,
5993 NULL, (offsetT) 0, NULL,
5994 0, begin ? R_HPPA_BEGIN_BRTAB : R_HPPA_END_BRTAB,
5998 demand_empty_rest_of_line ();
6001 /* Handle a .begin_try and .end_try pseudo-op. */
6005 int begin ATTRIBUTE_UNUSED;
6009 char *where = frag_more (0);
6014 /* The TRY relocations are only available in SOM (to denote
6015 the beginning and end of exception handling regions). */
6017 fix_new_hppa (frag_now, where - frag_now->fr_literal, 0,
6018 NULL, (offsetT) 0, begin ? NULL : &exp,
6019 0, begin ? R_HPPA_BEGIN_TRY : R_HPPA_END_TRY,
6023 demand_empty_rest_of_line ();
6026 /* Handle a .CALL pseudo-op. This involves storing away information
6027 about where arguments are to be found so the linker can detect
6028 (and correct) argument location mismatches between caller and callee. */
6032 int unused ATTRIBUTE_UNUSED;
6035 /* We must have a valid space and subspace. */
6036 pa_check_current_space_and_subspace ();
6039 pa_call_args (&last_call_desc);
6040 demand_empty_rest_of_line ();
6043 /* Do the dirty work of building a call descriptor which describes
6044 where the caller placed arguments to a function call. */
6047 pa_call_args (call_desc)
6048 struct call_desc *call_desc;
6051 unsigned int temp, arg_reloc;
6053 while (!is_end_of_statement ())
6055 name = input_line_pointer;
6056 c = get_symbol_end ();
6057 /* Process a source argument. */
6058 if ((strncasecmp (name, "argw", 4) == 0))
6060 temp = atoi (name + 4);
6061 p = input_line_pointer;
6063 input_line_pointer++;
6064 name = input_line_pointer;
6065 c = get_symbol_end ();
6066 arg_reloc = pa_build_arg_reloc (name);
6067 call_desc->arg_reloc |= pa_align_arg_reloc (temp, arg_reloc);
6069 /* Process a return value. */
6070 else if ((strncasecmp (name, "rtnval", 6) == 0))
6072 p = input_line_pointer;
6074 input_line_pointer++;
6075 name = input_line_pointer;
6076 c = get_symbol_end ();
6077 arg_reloc = pa_build_arg_reloc (name);
6078 call_desc->arg_reloc |= (arg_reloc & 0x3);
6082 as_bad (_("Invalid .CALL argument: %s"), name);
6084 p = input_line_pointer;
6086 if (!is_end_of_statement ())
6087 input_line_pointer++;
6091 /* Return TRUE if FRAG1 and FRAG2 are the same. */
6094 is_same_frag (frag1, frag2)
6101 else if (frag2 == NULL)
6103 else if (frag1 == frag2)
6105 else if (frag2->fr_type == rs_fill && frag2->fr_fix == 0)
6106 return (is_same_frag (frag1, frag2->fr_next));
6112 /* Build an entry in the UNWIND subspace from the given function
6113 attributes in CALL_INFO. This is not needed for SOM as using
6114 R_ENTRY and R_EXIT relocations allow the linker to handle building
6115 of the unwind spaces. */
6118 pa_build_unwind_subspace (call_info)
6119 struct call_info *call_info;
6121 asection *seg, *save_seg;
6122 subsegT save_subseg;
6123 unsigned int unwind;
6127 if ((bfd_get_section_flags (stdoutput, now_seg)
6128 & (SEC_ALLOC | SEC_LOAD | SEC_READONLY))
6129 != (SEC_ALLOC | SEC_LOAD | SEC_READONLY))
6132 reloc = R_PARISC_SEGREL32;
6134 save_subseg = now_subseg;
6135 /* Get into the right seg/subseg. This may involve creating
6136 the seg the first time through. Make sure to have the
6137 old seg/subseg so that we can reset things when we are done. */
6138 seg = bfd_get_section_by_name (stdoutput, UNWIND_SECTION_NAME);
6139 if (seg == ASEC_NULL)
6141 seg = subseg_new (UNWIND_SECTION_NAME, 0);
6142 bfd_set_section_flags (stdoutput, seg,
6143 SEC_READONLY | SEC_HAS_CONTENTS
6144 | SEC_LOAD | SEC_RELOC | SEC_ALLOC | SEC_DATA);
6145 bfd_set_section_alignment (stdoutput, seg, 2);
6148 subseg_set (seg, 0);
6150 /* Get some space to hold relocation information for the unwind
6154 /* Relocation info. for start offset of the function. */
6155 md_number_to_chars (p, 0, 4);
6156 fix_new_hppa (frag_now, p - frag_now->fr_literal, 4,
6157 call_info->start_symbol, (offsetT) 0,
6158 (expressionS *) NULL, 0, reloc,
6161 /* Relocation info. for end offset of the function.
6163 Because we allow reductions of 32bit relocations for ELF, this will be
6164 reduced to section_sym + offset which avoids putting the temporary
6165 symbol into the symbol table. It (should) end up giving the same
6166 value as call_info->start_symbol + function size once the linker is
6167 finished with its work. */
6168 md_number_to_chars (p + 4, 0, 4);
6169 fix_new_hppa (frag_now, p + 4 - frag_now->fr_literal, 4,
6170 call_info->end_symbol, (offsetT) 0,
6171 (expressionS *) NULL, 0, reloc,
6174 /* Dump the descriptor. */
6175 unwind = UNWIND_LOW32 (&call_info->ci_unwind.descriptor);
6176 md_number_to_chars (p + 8, unwind, 4);
6178 unwind = UNWIND_HIGH32 (&call_info->ci_unwind.descriptor);
6179 md_number_to_chars (p + 12, unwind, 4);
6181 /* Return back to the original segment/subsegment. */
6182 subseg_set (save_seg, save_subseg);
6186 /* Process a .CALLINFO pseudo-op. This information is used later
6187 to build unwind descriptors and maybe one day to support
6188 .ENTER and .LEAVE. */
6191 pa_callinfo (unused)
6192 int unused ATTRIBUTE_UNUSED;
6198 /* We must have a valid space and subspace. */
6199 pa_check_current_space_and_subspace ();
6202 /* .CALLINFO must appear within a procedure definition. */
6203 if (!within_procedure)
6204 as_bad (_(".callinfo is not within a procedure definition"));
6206 /* Mark the fact that we found the .CALLINFO for the
6207 current procedure. */
6208 callinfo_found = TRUE;
6210 /* Iterate over the .CALLINFO arguments. */
6211 while (!is_end_of_statement ())
6213 name = input_line_pointer;
6214 c = get_symbol_end ();
6215 /* Frame size specification. */
6216 if ((strncasecmp (name, "frame", 5) == 0))
6218 p = input_line_pointer;
6220 input_line_pointer++;
6221 temp = get_absolute_expression ();
6222 if ((temp & 0x3) != 0)
6224 as_bad (_("FRAME parameter must be a multiple of 8: %d\n"), temp);
6228 /* callinfo is in bytes and unwind_desc is in 8 byte units. */
6229 last_call_info->ci_unwind.descriptor.frame_size = temp / 8;
6232 /* Entry register (GR, GR and SR) specifications. */
6233 else if ((strncasecmp (name, "entry_gr", 8) == 0))
6235 p = input_line_pointer;
6237 input_line_pointer++;
6238 temp = get_absolute_expression ();
6239 /* The HP assembler accepts 19 as the high bound for ENTRY_GR
6240 even though %r19 is caller saved. I think this is a bug in
6241 the HP assembler, and we are not going to emulate it. */
6242 if (temp < 3 || temp > 18)
6243 as_bad (_("Value for ENTRY_GR must be in the range 3..18\n"));
6244 last_call_info->ci_unwind.descriptor.entry_gr = temp - 2;
6246 else if ((strncasecmp (name, "entry_fr", 8) == 0))
6248 p = input_line_pointer;
6250 input_line_pointer++;
6251 temp = get_absolute_expression ();
6252 /* Similarly the HP assembler takes 31 as the high bound even
6253 though %fr21 is the last callee saved floating point register. */
6254 if (temp < 12 || temp > 21)
6255 as_bad (_("Value for ENTRY_FR must be in the range 12..21\n"));
6256 last_call_info->ci_unwind.descriptor.entry_fr = temp - 11;
6258 else if ((strncasecmp (name, "entry_sr", 8) == 0))
6260 p = input_line_pointer;
6262 input_line_pointer++;
6263 temp = get_absolute_expression ();
6265 as_bad (_("Value for ENTRY_SR must be 3\n"));
6267 /* Note whether or not this function performs any calls. */
6268 else if ((strncasecmp (name, "calls", 5) == 0) ||
6269 (strncasecmp (name, "caller", 6) == 0))
6271 p = input_line_pointer;
6274 else if ((strncasecmp (name, "no_calls", 8) == 0))
6276 p = input_line_pointer;
6279 /* Should RP be saved into the stack. */
6280 else if ((strncasecmp (name, "save_rp", 7) == 0))
6282 p = input_line_pointer;
6284 last_call_info->ci_unwind.descriptor.save_rp = 1;
6286 /* Likewise for SP. */
6287 else if ((strncasecmp (name, "save_sp", 7) == 0))
6289 p = input_line_pointer;
6291 last_call_info->ci_unwind.descriptor.save_sp = 1;
6293 /* Is this an unwindable procedure. If so mark it so
6294 in the unwind descriptor. */
6295 else if ((strncasecmp (name, "no_unwind", 9) == 0))
6297 p = input_line_pointer;
6299 last_call_info->ci_unwind.descriptor.cannot_unwind = 1;
6301 /* Is this an interrupt routine. If so mark it in the
6302 unwind descriptor. */
6303 else if ((strncasecmp (name, "hpux_int", 7) == 0))
6305 p = input_line_pointer;
6307 last_call_info->ci_unwind.descriptor.hpux_interrupt_marker = 1;
6309 /* Is this a millicode routine. "millicode" isn't in my
6310 assembler manual, but my copy is old. The HP assembler
6311 accepts it, and there's a place in the unwind descriptor
6312 to drop the information, so we'll accept it too. */
6313 else if ((strncasecmp (name, "millicode", 9) == 0))
6315 p = input_line_pointer;
6317 last_call_info->ci_unwind.descriptor.millicode = 1;
6321 as_bad (_("Invalid .CALLINFO argument: %s"), name);
6322 *input_line_pointer = c;
6324 if (!is_end_of_statement ())
6325 input_line_pointer++;
6328 demand_empty_rest_of_line ();
6331 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
6332 /* Switch to the text space. Like s_text, but delete our
6333 label when finished. */
6336 int unused ATTRIBUTE_UNUSED;
6339 current_space = is_defined_space ("$TEXT$");
6341 = pa_subsegment_to_subspace (current_space->sd_seg, 0);
6345 pa_undefine_label ();
6348 /* Switch to the data space. As usual delete our label. */
6351 int unused ATTRIBUTE_UNUSED;
6354 current_space = is_defined_space ("$PRIVATE$");
6356 = pa_subsegment_to_subspace (current_space->sd_seg, 0);
6359 pa_undefine_label ();
6362 /* This is different than the standard GAS s_comm(). On HP9000/800 machines,
6363 the .comm pseudo-op has the following symtax:
6365 <label> .comm <length>
6367 where <label> is optional and is a symbol whose address will be the start of
6368 a block of memory <length> bytes long. <length> must be an absolute
6369 expression. <length> bytes will be allocated in the current space
6372 Also note the label may not even be on the same line as the .comm.
6374 This difference in syntax means the colon function will be called
6375 on the symbol before we arrive in pa_comm. colon will set a number
6376 of attributes of the symbol that need to be fixed here. In particular
6377 the value, section pointer, fragment pointer, flags, etc. What
6380 This also makes error detection all but impossible. */
6384 int unused ATTRIBUTE_UNUSED;
6388 label_symbol_struct *label_symbol = pa_get_label ();
6391 symbol = label_symbol->lss_label;
6396 size = get_absolute_expression ();
6400 symbol_get_bfdsym (symbol)->flags |= BSF_OBJECT;
6401 S_SET_VALUE (symbol, size);
6402 S_SET_SEGMENT (symbol, bfd_und_section_ptr);
6403 S_SET_EXTERNAL (symbol);
6405 /* colon() has already set the frag to the current location in the
6406 current subspace; we need to reset the fragment to the zero address
6407 fragment. We also need to reset the segment pointer. */
6408 symbol_set_frag (symbol, &zero_address_frag);
6410 demand_empty_rest_of_line ();
6412 #endif /* !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))) */
6414 /* Process a .END pseudo-op. */
6418 int unused ATTRIBUTE_UNUSED;
6420 demand_empty_rest_of_line ();
6423 /* Process a .ENTER pseudo-op. This is not supported. */
6426 int unused ATTRIBUTE_UNUSED;
6429 /* We must have a valid space and subspace. */
6430 pa_check_current_space_and_subspace ();
6433 as_bad (_("The .ENTER pseudo-op is not supported"));
6434 demand_empty_rest_of_line ();
6437 /* Process a .ENTRY pseudo-op. .ENTRY marks the beginning of the
6441 int unused ATTRIBUTE_UNUSED;
6444 /* We must have a valid space and subspace. */
6445 pa_check_current_space_and_subspace ();
6448 if (!within_procedure)
6449 as_bad (_("Misplaced .entry. Ignored."));
6452 if (!callinfo_found)
6453 as_bad (_("Missing .callinfo."));
6455 demand_empty_rest_of_line ();
6456 within_entry_exit = TRUE;
6459 /* SOM defers building of unwind descriptors until the link phase.
6460 The assembler is responsible for creating an R_ENTRY relocation
6461 to mark the beginning of a region and hold the unwind bits, and
6462 for creating an R_EXIT relocation to mark the end of the region.
6464 FIXME. ELF should be using the same conventions! The problem
6465 is an unwind requires too much relocation space. Hmmm. Maybe
6466 if we split the unwind bits up between the relocations which
6467 denote the entry and exit points. */
6468 if (last_call_info->start_symbol != NULL)
6473 where = frag_more (0);
6474 u = UNWIND_LOW32 (&last_call_info->ci_unwind.descriptor);
6475 fix_new_hppa (frag_now, where - frag_now->fr_literal, 0,
6476 NULL, (offsetT) 0, NULL,
6477 0, R_HPPA_ENTRY, e_fsel, 0, 0, u);
6482 /* Silly nonsense for pa_equ. The only half-sensible use for this is
6483 being able to subtract two register symbols that specify a range of
6484 registers, to get the size of the range. */
6485 static int fudge_reg_expressions;
6488 hppa_force_reg_syms_absolute (resultP, op, rightP)
6489 expressionS *resultP;
6490 operatorT op ATTRIBUTE_UNUSED;
6491 expressionS *rightP;
6493 if (fudge_reg_expressions
6494 && rightP->X_op == O_register
6495 && resultP->X_op == O_register)
6497 rightP->X_op = O_constant;
6498 resultP->X_op = O_constant;
6500 return 0; /* Continue normal expr handling. */
6503 /* Handle a .EQU pseudo-op. */
6509 label_symbol_struct *label_symbol = pa_get_label ();
6514 symbol = label_symbol->lss_label;
6518 if (!pa_parse_number (&input_line_pointer, 0))
6519 as_bad (_(".REG expression must be a register"));
6520 S_SET_VALUE (symbol, pa_number);
6521 S_SET_SEGMENT (symbol, reg_section);
6528 fudge_reg_expressions = 1;
6529 seg = expression (&exp);
6530 fudge_reg_expressions = 0;
6531 if (exp.X_op != O_constant
6532 && exp.X_op != O_register)
6534 if (exp.X_op != O_absent)
6535 as_bad (_("bad or irreducible absolute expression; zero assumed"));
6536 exp.X_add_number = 0;
6537 seg = absolute_section;
6539 S_SET_VALUE (symbol, (unsigned int) exp.X_add_number);
6540 S_SET_SEGMENT (symbol, seg);
6546 as_bad (_(".REG must use a label"));
6548 as_bad (_(".EQU must use a label"));
6551 pa_undefine_label ();
6552 demand_empty_rest_of_line ();
6555 /* Helper function. Does processing for the end of a function. This
6556 usually involves creating some relocations or building special
6557 symbols to mark the end of the function. */
6564 where = frag_more (0);
6567 /* Mark the end of the function, stuff away the location of the frag
6568 for the end of the function, and finally call pa_build_unwind_subspace
6569 to add an entry in the unwind table. */
6570 hppa_elf_mark_end_of_function ();
6571 pa_build_unwind_subspace (last_call_info);
6573 /* SOM defers building of unwind descriptors until the link phase.
6574 The assembler is responsible for creating an R_ENTRY relocation
6575 to mark the beginning of a region and hold the unwind bits, and
6576 for creating an R_EXIT relocation to mark the end of the region.
6578 FIXME. ELF should be using the same conventions! The problem
6579 is an unwind requires too much relocation space. Hmmm. Maybe
6580 if we split the unwind bits up between the relocations which
6581 denote the entry and exit points. */
6582 fix_new_hppa (frag_now, where - frag_now->fr_literal, 0,
6584 NULL, 0, R_HPPA_EXIT, e_fsel, 0, 0,
6585 UNWIND_HIGH32 (&last_call_info->ci_unwind.descriptor));
6589 /* Process a .EXIT pseudo-op. */
6593 int unused ATTRIBUTE_UNUSED;
6596 /* We must have a valid space and subspace. */
6597 pa_check_current_space_and_subspace ();
6600 if (!within_procedure)
6601 as_bad (_(".EXIT must appear within a procedure"));
6604 if (!callinfo_found)
6605 as_bad (_("Missing .callinfo"));
6608 if (!within_entry_exit)
6609 as_bad (_("No .ENTRY for this .EXIT"));
6612 within_entry_exit = FALSE;
6617 demand_empty_rest_of_line ();
6620 /* Process a .EXPORT directive. This makes functions external
6621 and provides information such as argument relocation entries
6626 int unused ATTRIBUTE_UNUSED;
6631 name = input_line_pointer;
6632 c = get_symbol_end ();
6633 /* Make sure the given symbol exists. */
6634 if ((symbol = symbol_find_or_make (name)) == NULL)
6636 as_bad (_("Cannot define export symbol: %s\n"), name);
6637 p = input_line_pointer;
6639 input_line_pointer++;
6643 /* OK. Set the external bits and process argument relocations.
6644 For the HP, weak and global are not mutually exclusive.
6645 S_SET_EXTERNAL will not set BSF_GLOBAL if WEAK is set.
6646 Call S_SET_EXTERNAL to get the other processing. Manually
6647 set BSF_GLOBAL when we get back. */
6648 S_SET_EXTERNAL (symbol);
6649 symbol_get_bfdsym (symbol)->flags |= BSF_GLOBAL;
6650 p = input_line_pointer;
6652 if (!is_end_of_statement ())
6654 input_line_pointer++;
6655 pa_type_args (symbol, 1);
6659 demand_empty_rest_of_line ();
6662 /* Helper function to process arguments to a .EXPORT pseudo-op. */
6665 pa_type_args (symbolP, is_export)
6670 unsigned int temp, arg_reloc;
6671 pa_symbol_type type = SYMBOL_TYPE_UNKNOWN;
6672 asymbol *bfdsym = symbol_get_bfdsym (symbolP);
6674 if (strncasecmp (input_line_pointer, "absolute", 8) == 0)
6677 input_line_pointer += 8;
6678 bfdsym->flags &= ~BSF_FUNCTION;
6679 S_SET_SEGMENT (symbolP, bfd_abs_section_ptr);
6680 type = SYMBOL_TYPE_ABSOLUTE;
6682 else if (strncasecmp (input_line_pointer, "code", 4) == 0)
6684 input_line_pointer += 4;
6685 /* IMPORTing/EXPORTing CODE types for functions is meaningless for SOM,
6686 instead one should be IMPORTing/EXPORTing ENTRY types.
6688 Complain if one tries to EXPORT a CODE type since that's never
6689 done. Both GCC and HP C still try to IMPORT CODE types, so
6690 silently fix them to be ENTRY types. */
6691 if (S_IS_FUNCTION (symbolP))
6694 as_tsktsk (_("Using ENTRY rather than CODE in export directive for %s"),
6695 S_GET_NAME (symbolP));
6697 bfdsym->flags |= BSF_FUNCTION;
6698 type = SYMBOL_TYPE_ENTRY;
6702 bfdsym->flags &= ~BSF_FUNCTION;
6703 type = SYMBOL_TYPE_CODE;
6706 else if (strncasecmp (input_line_pointer, "data", 4) == 0)
6708 input_line_pointer += 4;
6709 bfdsym->flags &= ~BSF_FUNCTION;
6710 bfdsym->flags |= BSF_OBJECT;
6711 type = SYMBOL_TYPE_DATA;
6713 else if ((strncasecmp (input_line_pointer, "entry", 5) == 0))
6715 input_line_pointer += 5;
6716 bfdsym->flags |= BSF_FUNCTION;
6717 type = SYMBOL_TYPE_ENTRY;
6719 else if (strncasecmp (input_line_pointer, "millicode", 9) == 0)
6721 input_line_pointer += 9;
6722 bfdsym->flags |= BSF_FUNCTION;
6725 elf_symbol_type *elfsym = (elf_symbol_type *) bfdsym;
6726 elfsym->internal_elf_sym.st_info =
6727 ELF_ST_INFO (ELF_ST_BIND (elfsym->internal_elf_sym.st_info),
6731 type = SYMBOL_TYPE_MILLICODE;
6733 else if (strncasecmp (input_line_pointer, "plabel", 6) == 0)
6735 input_line_pointer += 6;
6736 bfdsym->flags &= ~BSF_FUNCTION;
6737 type = SYMBOL_TYPE_PLABEL;
6739 else if (strncasecmp (input_line_pointer, "pri_prog", 8) == 0)
6741 input_line_pointer += 8;
6742 bfdsym->flags |= BSF_FUNCTION;
6743 type = SYMBOL_TYPE_PRI_PROG;
6745 else if (strncasecmp (input_line_pointer, "sec_prog", 8) == 0)
6747 input_line_pointer += 8;
6748 bfdsym->flags |= BSF_FUNCTION;
6749 type = SYMBOL_TYPE_SEC_PROG;
6752 /* SOM requires much more information about symbol types
6753 than BFD understands. This is how we get this information
6754 to the SOM BFD backend. */
6755 #ifdef obj_set_symbol_type
6756 obj_set_symbol_type (bfdsym, (int) type);
6759 /* Now that the type of the exported symbol has been handled,
6760 handle any argument relocation information. */
6761 while (!is_end_of_statement ())
6763 if (*input_line_pointer == ',')
6764 input_line_pointer++;
6765 name = input_line_pointer;
6766 c = get_symbol_end ();
6767 /* Argument sources. */
6768 if ((strncasecmp (name, "argw", 4) == 0))
6770 p = input_line_pointer;
6772 input_line_pointer++;
6773 temp = atoi (name + 4);
6774 name = input_line_pointer;
6775 c = get_symbol_end ();
6776 arg_reloc = pa_align_arg_reloc (temp, pa_build_arg_reloc (name));
6777 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6778 symbol_arg_reloc_info (symbolP) |= arg_reloc;
6780 *input_line_pointer = c;
6782 /* The return value. */
6783 else if ((strncasecmp (name, "rtnval", 6)) == 0)
6785 p = input_line_pointer;
6787 input_line_pointer++;
6788 name = input_line_pointer;
6789 c = get_symbol_end ();
6790 arg_reloc = pa_build_arg_reloc (name);
6791 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6792 symbol_arg_reloc_info (symbolP) |= arg_reloc;
6794 *input_line_pointer = c;
6796 /* Privilege level. */
6797 else if ((strncasecmp (name, "priv_lev", 8)) == 0)
6799 p = input_line_pointer;
6801 input_line_pointer++;
6802 temp = atoi (input_line_pointer);
6804 ((obj_symbol_type *) bfdsym)->tc_data.ap.hppa_priv_level = temp;
6806 c = get_symbol_end ();
6807 *input_line_pointer = c;
6811 as_bad (_("Undefined .EXPORT/.IMPORT argument (ignored): %s"), name);
6812 p = input_line_pointer;
6815 if (!is_end_of_statement ())
6816 input_line_pointer++;
6820 /* Handle an .IMPORT pseudo-op. Any symbol referenced in a given
6821 assembly file must either be defined in the assembly file, or
6822 explicitly IMPORTED from another. */
6826 int unused ATTRIBUTE_UNUSED;
6831 name = input_line_pointer;
6832 c = get_symbol_end ();
6834 symbol = symbol_find (name);
6835 /* Ugh. We might be importing a symbol defined earlier in the file,
6836 in which case all the code below will really screw things up
6837 (set the wrong segment, symbol flags & type, etc). */
6838 if (symbol == NULL || !S_IS_DEFINED (symbol))
6840 symbol = symbol_find_or_make (name);
6841 p = input_line_pointer;
6844 if (!is_end_of_statement ())
6846 input_line_pointer++;
6847 pa_type_args (symbol, 0);
6851 /* Sigh. To be compatible with the HP assembler and to help
6852 poorly written assembly code, we assign a type based on
6853 the current segment. Note only BSF_FUNCTION really
6854 matters, we do not need to set the full SYMBOL_TYPE_* info. */
6855 if (now_seg == text_section)
6856 symbol_get_bfdsym (symbol)->flags |= BSF_FUNCTION;
6858 /* If the section is undefined, then the symbol is undefined
6859 Since this is an import, leave the section undefined. */
6860 S_SET_SEGMENT (symbol, bfd_und_section_ptr);
6865 /* The symbol was already defined. Just eat everything up to
6866 the end of the current statement. */
6867 while (!is_end_of_statement ())
6868 input_line_pointer++;
6871 demand_empty_rest_of_line ();
6874 /* Handle a .LABEL pseudo-op. */
6878 int unused ATTRIBUTE_UNUSED;
6882 name = input_line_pointer;
6883 c = get_symbol_end ();
6885 if (strlen (name) > 0)
6888 p = input_line_pointer;
6893 as_warn (_("Missing label name on .LABEL"));
6896 if (!is_end_of_statement ())
6898 as_warn (_("extra .LABEL arguments ignored."));
6899 ignore_rest_of_line ();
6901 demand_empty_rest_of_line ();
6904 /* Handle a .LEAVE pseudo-op. This is not supported yet. */
6908 int unused ATTRIBUTE_UNUSED;
6911 /* We must have a valid space and subspace. */
6912 pa_check_current_space_and_subspace ();
6915 as_bad (_("The .LEAVE pseudo-op is not supported"));
6916 demand_empty_rest_of_line ();
6919 /* Handle a .LEVEL pseudo-op. */
6923 int unused ATTRIBUTE_UNUSED;
6927 level = input_line_pointer;
6928 if (strncmp (level, "1.0", 3) == 0)
6930 input_line_pointer += 3;
6931 if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, 10))
6932 as_warn (_("could not set architecture and machine"));
6934 else if (strncmp (level, "1.1", 3) == 0)
6936 input_line_pointer += 3;
6937 if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, 11))
6938 as_warn (_("could not set architecture and machine"));
6940 else if (strncmp (level, "2.0w", 4) == 0)
6942 input_line_pointer += 4;
6943 if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, 25))
6944 as_warn (_("could not set architecture and machine"));
6946 else if (strncmp (level, "2.0", 3) == 0)
6948 input_line_pointer += 3;
6949 if (!bfd_set_arch_mach (stdoutput, bfd_arch_hppa, 20))
6950 as_warn (_("could not set architecture and machine"));
6954 as_bad (_("Unrecognized .LEVEL argument\n"));
6955 ignore_rest_of_line ();
6957 demand_empty_rest_of_line ();
6960 /* Handle a .ORIGIN pseudo-op. */
6964 int unused ATTRIBUTE_UNUSED;
6967 /* We must have a valid space and subspace. */
6968 pa_check_current_space_and_subspace ();
6972 pa_undefine_label ();
6975 /* Handle a .PARAM pseudo-op. This is much like a .EXPORT, except it
6976 is for static functions. FIXME. Should share more code with .EXPORT. */
6980 int unused ATTRIBUTE_UNUSED;
6985 name = input_line_pointer;
6986 c = get_symbol_end ();
6988 if ((symbol = symbol_find_or_make (name)) == NULL)
6990 as_bad (_("Cannot define static symbol: %s\n"), name);
6991 p = input_line_pointer;
6993 input_line_pointer++;
6997 S_CLEAR_EXTERNAL (symbol);
6998 p = input_line_pointer;
7000 if (!is_end_of_statement ())
7002 input_line_pointer++;
7003 pa_type_args (symbol, 0);
7007 demand_empty_rest_of_line ();
7010 /* Handle a .PROC pseudo-op. It is used to mark the beginning
7011 of a procedure from a syntactical point of view. */
7015 int unused ATTRIBUTE_UNUSED;
7017 struct call_info *call_info;
7020 /* We must have a valid space and subspace. */
7021 pa_check_current_space_and_subspace ();
7024 if (within_procedure)
7025 as_fatal (_("Nested procedures"));
7027 /* Reset global variables for new procedure. */
7028 callinfo_found = FALSE;
7029 within_procedure = TRUE;
7031 /* Create another call_info structure. */
7032 call_info = (struct call_info *) xmalloc (sizeof (struct call_info));
7035 as_fatal (_("Cannot allocate unwind descriptor\n"));
7037 memset (call_info, 0, sizeof (struct call_info));
7039 call_info->ci_next = NULL;
7041 if (call_info_root == NULL)
7043 call_info_root = call_info;
7044 last_call_info = call_info;
7048 last_call_info->ci_next = call_info;
7049 last_call_info = call_info;
7052 /* set up defaults on call_info structure */
7054 call_info->ci_unwind.descriptor.cannot_unwind = 0;
7055 call_info->ci_unwind.descriptor.region_desc = 1;
7056 call_info->ci_unwind.descriptor.hpux_interrupt_marker = 0;
7058 /* If we got a .PROC pseudo-op, we know that the function is defined
7059 locally. Make sure it gets into the symbol table. */
7061 label_symbol_struct *label_symbol = pa_get_label ();
7065 if (label_symbol->lss_label)
7067 last_call_info->start_symbol = label_symbol->lss_label;
7068 symbol_get_bfdsym (label_symbol->lss_label)->flags |= BSF_FUNCTION;
7071 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7074 last_call_info->start_symbol = NULL;
7077 demand_empty_rest_of_line ();
7080 /* Process the syntactical end of a procedure. Make sure all the
7081 appropriate pseudo-ops were found within the procedure. */
7085 int unused ATTRIBUTE_UNUSED;
7089 /* We must have a valid space and subspace. */
7090 pa_check_current_space_and_subspace ();
7093 /* If we are within a procedure definition, make sure we've
7094 defined a label for the procedure; handle case where the
7095 label was defined after the .PROC directive.
7097 Note there's not need to diddle with the segment or fragment
7098 for the label symbol in this case. We have already switched
7099 into the new $CODE$ subspace at this point. */
7100 if (within_procedure && last_call_info->start_symbol == NULL)
7102 label_symbol_struct *label_symbol = pa_get_label ();
7106 if (label_symbol->lss_label)
7108 last_call_info->start_symbol = label_symbol->lss_label;
7109 symbol_get_bfdsym (label_symbol->lss_label)->flags
7112 /* Also handle allocation of a fixup to hold the unwind
7113 information when the label appears after the proc/procend. */
7114 if (within_entry_exit)
7119 where = frag_more (0);
7120 u = UNWIND_LOW32 (&last_call_info->ci_unwind.descriptor);
7121 fix_new_hppa (frag_now, where - frag_now->fr_literal, 0,
7122 NULL, (offsetT) 0, NULL,
7123 0, R_HPPA_ENTRY, e_fsel, 0, 0, u);
7128 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7131 as_bad (_("Missing function name for .PROC"));
7134 if (!within_procedure)
7135 as_bad (_("misplaced .procend"));
7137 if (!callinfo_found)
7138 as_bad (_("Missing .callinfo for this procedure"));
7140 if (within_entry_exit)
7141 as_bad (_("Missing .EXIT for a .ENTRY"));
7144 /* ELF needs to mark the end of each function so that it can compute
7145 the size of the function (apparently its needed in the symbol table). */
7146 hppa_elf_mark_end_of_function ();
7149 within_procedure = FALSE;
7150 demand_empty_rest_of_line ();
7151 pa_undefine_label ();
7155 /* If VALUE is an exact power of two between zero and 2^31, then
7156 return log2 (VALUE). Else return -1. */
7164 while ((1 << shift) != value && shift < 32)
7173 /* Check to make sure we have a valid space and subspace. */
7176 pa_check_current_space_and_subspace ()
7178 if (current_space == NULL)
7179 as_fatal (_("Not in a space.\n"));
7181 if (current_subspace == NULL)
7182 as_fatal (_("Not in a subspace.\n"));
7185 /* Parse the parameters to a .SPACE directive; if CREATE_FLAG is nonzero,
7186 then create a new space entry to hold the information specified
7187 by the parameters to the .SPACE directive. */
7189 static sd_chain_struct *
7190 pa_parse_space_stmt (space_name, create_flag)
7194 char *name, *ptemp, c;
7195 char loadable, defined, private, sort;
7197 asection *seg = NULL;
7198 sd_chain_struct *space;
7200 /* load default values */
7206 if (strcmp (space_name, "$TEXT$") == 0)
7208 seg = pa_def_spaces[0].segment;
7209 defined = pa_def_spaces[0].defined;
7210 private = pa_def_spaces[0].private;
7211 sort = pa_def_spaces[0].sort;
7212 spnum = pa_def_spaces[0].spnum;
7214 else if (strcmp (space_name, "$PRIVATE$") == 0)
7216 seg = pa_def_spaces[1].segment;
7217 defined = pa_def_spaces[1].defined;
7218 private = pa_def_spaces[1].private;
7219 sort = pa_def_spaces[1].sort;
7220 spnum = pa_def_spaces[1].spnum;
7223 if (!is_end_of_statement ())
7225 print_errors = FALSE;
7226 ptemp = input_line_pointer + 1;
7227 /* First see if the space was specified as a number rather than
7228 as a name. According to the PA assembly manual the rest of
7229 the line should be ignored. */
7231 pa_parse_number (&ptemp, 0);
7235 input_line_pointer = ptemp;
7239 while (!is_end_of_statement ())
7241 input_line_pointer++;
7242 name = input_line_pointer;
7243 c = get_symbol_end ();
7244 if ((strncasecmp (name, "spnum", 5) == 0))
7246 *input_line_pointer = c;
7247 input_line_pointer++;
7248 spnum = get_absolute_expression ();
7250 else if ((strncasecmp (name, "sort", 4) == 0))
7252 *input_line_pointer = c;
7253 input_line_pointer++;
7254 sort = get_absolute_expression ();
7256 else if ((strncasecmp (name, "unloadable", 10) == 0))
7258 *input_line_pointer = c;
7261 else if ((strncasecmp (name, "notdefined", 10) == 0))
7263 *input_line_pointer = c;
7266 else if ((strncasecmp (name, "private", 7) == 0))
7268 *input_line_pointer = c;
7273 as_bad (_("Invalid .SPACE argument"));
7274 *input_line_pointer = c;
7275 if (!is_end_of_statement ())
7276 input_line_pointer++;
7280 print_errors = TRUE;
7283 if (create_flag && seg == NULL)
7284 seg = subseg_new (space_name, 0);
7286 /* If create_flag is nonzero, then create the new space with
7287 the attributes computed above. Else set the values in
7288 an already existing space -- this can only happen for
7289 the first occurrence of a built-in space. */
7291 space = create_new_space (space_name, spnum, loadable, defined,
7292 private, sort, seg, 1);
7295 space = is_defined_space (space_name);
7296 SPACE_SPNUM (space) = spnum;
7297 SPACE_DEFINED (space) = defined & 1;
7298 SPACE_USER_DEFINED (space) = 1;
7301 #ifdef obj_set_section_attributes
7302 obj_set_section_attributes (seg, defined, private, sort, spnum);
7308 /* Handle a .SPACE pseudo-op; this switches the current space to the
7309 given space, creating the new space if necessary. */
7313 int unused ATTRIBUTE_UNUSED;
7315 char *name, c, *space_name, *save_s;
7316 sd_chain_struct *sd_chain;
7318 if (within_procedure)
7320 as_bad (_("Can\'t change spaces within a procedure definition. Ignored"));
7321 ignore_rest_of_line ();
7325 /* Check for some of the predefined spaces. FIXME: most of the code
7326 below is repeated several times, can we extract the common parts
7327 and place them into a subroutine or something similar? */
7328 /* FIXME Is this (and the next IF stmt) really right?
7329 What if INPUT_LINE_POINTER points to "$TEXT$FOO"? */
7330 if (strncmp (input_line_pointer, "$TEXT$", 6) == 0)
7332 input_line_pointer += 6;
7333 sd_chain = is_defined_space ("$TEXT$");
7334 if (sd_chain == NULL)
7335 sd_chain = pa_parse_space_stmt ("$TEXT$", 1);
7336 else if (SPACE_USER_DEFINED (sd_chain) == 0)
7337 sd_chain = pa_parse_space_stmt ("$TEXT$", 0);
7339 current_space = sd_chain;
7340 subseg_set (text_section, sd_chain->sd_last_subseg);
7342 = pa_subsegment_to_subspace (text_section,
7343 sd_chain->sd_last_subseg);
7344 demand_empty_rest_of_line ();
7347 if (strncmp (input_line_pointer, "$PRIVATE$", 9) == 0)
7349 input_line_pointer += 9;
7350 sd_chain = is_defined_space ("$PRIVATE$");
7351 if (sd_chain == NULL)
7352 sd_chain = pa_parse_space_stmt ("$PRIVATE$", 1);
7353 else if (SPACE_USER_DEFINED (sd_chain) == 0)
7354 sd_chain = pa_parse_space_stmt ("$PRIVATE$", 0);
7356 current_space = sd_chain;
7357 subseg_set (data_section, sd_chain->sd_last_subseg);
7359 = pa_subsegment_to_subspace (data_section,
7360 sd_chain->sd_last_subseg);
7361 demand_empty_rest_of_line ();
7364 if (!strncasecmp (input_line_pointer,
7365 GDB_DEBUG_SPACE_NAME,
7366 strlen (GDB_DEBUG_SPACE_NAME)))
7368 input_line_pointer += strlen (GDB_DEBUG_SPACE_NAME);
7369 sd_chain = is_defined_space (GDB_DEBUG_SPACE_NAME);
7370 if (sd_chain == NULL)
7371 sd_chain = pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME, 1);
7372 else if (SPACE_USER_DEFINED (sd_chain) == 0)
7373 sd_chain = pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME, 0);
7375 current_space = sd_chain;
7378 asection *gdb_section
7379 = bfd_make_section_old_way (stdoutput, GDB_DEBUG_SPACE_NAME);
7381 subseg_set (gdb_section, sd_chain->sd_last_subseg);
7383 = pa_subsegment_to_subspace (gdb_section,
7384 sd_chain->sd_last_subseg);
7386 demand_empty_rest_of_line ();
7390 /* It could be a space specified by number. */
7392 save_s = input_line_pointer;
7394 pa_parse_number (&input_line_pointer, 0);
7397 if ((sd_chain = pa_find_space_by_number (pa_number)))
7399 current_space = sd_chain;
7401 subseg_set (sd_chain->sd_seg, sd_chain->sd_last_subseg);
7403 = pa_subsegment_to_subspace (sd_chain->sd_seg,
7404 sd_chain->sd_last_subseg);
7405 demand_empty_rest_of_line ();
7410 /* Not a number, attempt to create a new space. */
7412 input_line_pointer = save_s;
7413 name = input_line_pointer;
7414 c = get_symbol_end ();
7415 space_name = xmalloc (strlen (name) + 1);
7416 strcpy (space_name, name);
7417 *input_line_pointer = c;
7419 sd_chain = pa_parse_space_stmt (space_name, 1);
7420 current_space = sd_chain;
7422 subseg_set (sd_chain->sd_seg, sd_chain->sd_last_subseg);
7423 current_subspace = pa_subsegment_to_subspace (sd_chain->sd_seg,
7424 sd_chain->sd_last_subseg);
7425 demand_empty_rest_of_line ();
7429 /* Switch to a new space. (I think). FIXME. */
7433 int unused ATTRIBUTE_UNUSED;
7438 sd_chain_struct *space;
7440 name = input_line_pointer;
7441 c = get_symbol_end ();
7442 space = is_defined_space (name);
7446 md_number_to_chars (p, SPACE_SPNUM (space), 4);
7449 as_warn (_("Undefined space: '%s' Assuming space number = 0."), name);
7451 *input_line_pointer = c;
7452 demand_empty_rest_of_line ();
7455 /* Handle a .SUBSPACE pseudo-op; this switches the current subspace to the
7456 given subspace, creating the new subspace if necessary.
7458 FIXME. Should mirror pa_space more closely, in particular how
7459 they're broken up into subroutines. */
7462 pa_subspace (create_new)
7465 char *name, *ss_name, c;
7466 char loadable, code_only, comdat, common, dup_common, zero, sort;
7467 int i, access, space_index, alignment, quadrant, applicable, flags;
7468 sd_chain_struct *space;
7469 ssd_chain_struct *ssd;
7472 if (current_space == NULL)
7473 as_fatal (_("Must be in a space before changing or declaring subspaces.\n"));
7475 if (within_procedure)
7477 as_bad (_("Can\'t change subspaces within a procedure definition. Ignored"));
7478 ignore_rest_of_line ();
7482 name = input_line_pointer;
7483 c = get_symbol_end ();
7484 ss_name = xmalloc (strlen (name) + 1);
7485 strcpy (ss_name, name);
7486 *input_line_pointer = c;
7488 /* Load default values. */
7501 space = current_space;
7505 ssd = is_defined_subspace (ss_name);
7506 /* Allow user to override the builtin attributes of subspaces. But
7507 only allow the attributes to be changed once! */
7508 if (ssd && SUBSPACE_DEFINED (ssd))
7510 subseg_set (ssd->ssd_seg, ssd->ssd_subseg);
7511 current_subspace = ssd;
7512 if (!is_end_of_statement ())
7513 as_warn (_("Parameters of an existing subspace can\'t be modified"));
7514 demand_empty_rest_of_line ();
7519 /* A new subspace. Load default values if it matches one of
7520 the builtin subspaces. */
7522 while (pa_def_subspaces[i].name)
7524 if (strcasecmp (pa_def_subspaces[i].name, ss_name) == 0)
7526 loadable = pa_def_subspaces[i].loadable;
7527 comdat = pa_def_subspaces[i].comdat;
7528 common = pa_def_subspaces[i].common;
7529 dup_common = pa_def_subspaces[i].dup_common;
7530 code_only = pa_def_subspaces[i].code_only;
7531 zero = pa_def_subspaces[i].zero;
7532 space_index = pa_def_subspaces[i].space_index;
7533 alignment = pa_def_subspaces[i].alignment;
7534 quadrant = pa_def_subspaces[i].quadrant;
7535 access = pa_def_subspaces[i].access;
7536 sort = pa_def_subspaces[i].sort;
7543 /* We should be working with a new subspace now. Fill in
7544 any information as specified by the user. */
7545 if (!is_end_of_statement ())
7547 input_line_pointer++;
7548 while (!is_end_of_statement ())
7550 name = input_line_pointer;
7551 c = get_symbol_end ();
7552 if ((strncasecmp (name, "quad", 4) == 0))
7554 *input_line_pointer = c;
7555 input_line_pointer++;
7556 quadrant = get_absolute_expression ();
7558 else if ((strncasecmp (name, "align", 5) == 0))
7560 *input_line_pointer = c;
7561 input_line_pointer++;
7562 alignment = get_absolute_expression ();
7563 if (exact_log2 (alignment) == -1)
7565 as_bad (_("Alignment must be a power of 2"));
7569 else if ((strncasecmp (name, "access", 6) == 0))
7571 *input_line_pointer = c;
7572 input_line_pointer++;
7573 access = get_absolute_expression ();
7575 else if ((strncasecmp (name, "sort", 4) == 0))
7577 *input_line_pointer = c;
7578 input_line_pointer++;
7579 sort = get_absolute_expression ();
7581 else if ((strncasecmp (name, "code_only", 9) == 0))
7583 *input_line_pointer = c;
7586 else if ((strncasecmp (name, "unloadable", 10) == 0))
7588 *input_line_pointer = c;
7591 else if ((strncasecmp (name, "comdat", 6) == 0))
7593 *input_line_pointer = c;
7596 else if ((strncasecmp (name, "common", 6) == 0))
7598 *input_line_pointer = c;
7601 else if ((strncasecmp (name, "dup_comm", 8) == 0))
7603 *input_line_pointer = c;
7606 else if ((strncasecmp (name, "zero", 4) == 0))
7608 *input_line_pointer = c;
7611 else if ((strncasecmp (name, "first", 5) == 0))
7612 as_bad (_("FIRST not supported as a .SUBSPACE argument"));
7614 as_bad (_("Invalid .SUBSPACE argument"));
7615 if (!is_end_of_statement ())
7616 input_line_pointer++;
7620 /* Compute a reasonable set of BFD flags based on the information
7621 in the .subspace directive. */
7622 applicable = bfd_applicable_section_flags (stdoutput);
7625 flags |= (SEC_ALLOC | SEC_LOAD);
7629 /* These flags are used to implement various flavors of initialized
7630 common. The SOM linker discards duplicate subspaces when they
7631 have the same "key" symbol name. This support is more like
7632 GNU linkonce than BFD common. Further, pc-relative relocations
7633 are converted to section relative relocations in BFD common
7634 sections. This complicates the handling of relocations in
7635 common sections containing text and isn't currently supported
7636 correctly in the SOM BFD backend. */
7637 if (comdat || common || dup_common)
7638 flags |= SEC_LINK_ONCE;
7640 flags |= SEC_RELOC | SEC_HAS_CONTENTS;
7642 /* This is a zero-filled subspace (eg BSS). */
7644 flags &= ~(SEC_LOAD | SEC_HAS_CONTENTS);
7646 applicable &= flags;
7648 /* If this is an existing subspace, then we want to use the
7649 segment already associated with the subspace.
7651 FIXME NOW! ELF BFD doesn't appear to be ready to deal with
7652 lots of sections. It might be a problem in the PA ELF
7653 code, I do not know yet. For now avoid creating anything
7654 but the "standard" sections for ELF. */
7656 section = subseg_force_new (ss_name, 0);
7658 section = ssd->ssd_seg;
7660 section = subseg_new (ss_name, 0);
7663 seg_info (section)->bss = 1;
7665 /* Now set the flags. */
7666 bfd_set_section_flags (stdoutput, section, applicable);
7668 /* Record any alignment request for this section. */
7669 record_alignment (section, exact_log2 (alignment));
7671 /* Set the starting offset for this section. */
7672 bfd_set_section_vma (stdoutput, section,
7673 pa_subspace_start (space, quadrant));
7675 /* Now that all the flags are set, update an existing subspace,
7676 or create a new one. */
7679 current_subspace = update_subspace (space, ss_name, loadable,
7680 code_only, comdat, common,
7681 dup_common, sort, zero, access,
7682 space_index, alignment, quadrant,
7685 current_subspace = create_new_subspace (space, ss_name, loadable,
7686 code_only, comdat, common,
7687 dup_common, zero, sort,
7688 access, space_index,
7689 alignment, quadrant, section);
7691 demand_empty_rest_of_line ();
7692 current_subspace->ssd_seg = section;
7693 subseg_set (current_subspace->ssd_seg, current_subspace->ssd_subseg);
7695 SUBSPACE_DEFINED (current_subspace) = 1;
7698 /* Create default space and subspace dictionaries. */
7705 space_dict_root = NULL;
7706 space_dict_last = NULL;
7709 while (pa_def_spaces[i].name)
7713 /* Pick the right name to use for the new section. */
7714 name = pa_def_spaces[i].name;
7716 pa_def_spaces[i].segment = subseg_new (name, 0);
7717 create_new_space (pa_def_spaces[i].name, pa_def_spaces[i].spnum,
7718 pa_def_spaces[i].loadable, pa_def_spaces[i].defined,
7719 pa_def_spaces[i].private, pa_def_spaces[i].sort,
7720 pa_def_spaces[i].segment, 0);
7725 while (pa_def_subspaces[i].name)
7728 int applicable, subsegment;
7729 asection *segment = NULL;
7730 sd_chain_struct *space;
7732 /* Pick the right name for the new section and pick the right
7733 subsegment number. */
7734 name = pa_def_subspaces[i].name;
7737 /* Create the new section. */
7738 segment = subseg_new (name, subsegment);
7740 /* For SOM we want to replace the standard .text, .data, and .bss
7741 sections with our own. We also want to set BFD flags for
7742 all the built-in subspaces. */
7743 if (!strcmp (pa_def_subspaces[i].name, "$CODE$"))
7745 text_section = segment;
7746 applicable = bfd_applicable_section_flags (stdoutput);
7747 bfd_set_section_flags (stdoutput, segment,
7748 applicable & (SEC_ALLOC | SEC_LOAD
7749 | SEC_RELOC | SEC_CODE
7751 | SEC_HAS_CONTENTS));
7753 else if (!strcmp (pa_def_subspaces[i].name, "$DATA$"))
7755 data_section = segment;
7756 applicable = bfd_applicable_section_flags (stdoutput);
7757 bfd_set_section_flags (stdoutput, segment,
7758 applicable & (SEC_ALLOC | SEC_LOAD
7760 | SEC_HAS_CONTENTS));
7763 else if (!strcmp (pa_def_subspaces[i].name, "$BSS$"))
7765 bss_section = segment;
7766 applicable = bfd_applicable_section_flags (stdoutput);
7767 bfd_set_section_flags (stdoutput, segment,
7768 applicable & SEC_ALLOC);
7770 else if (!strcmp (pa_def_subspaces[i].name, "$LIT$"))
7772 applicable = bfd_applicable_section_flags (stdoutput);
7773 bfd_set_section_flags (stdoutput, segment,
7774 applicable & (SEC_ALLOC | SEC_LOAD
7777 | SEC_HAS_CONTENTS));
7779 else if (!strcmp (pa_def_subspaces[i].name, "$MILLICODE$"))
7781 applicable = bfd_applicable_section_flags (stdoutput);
7782 bfd_set_section_flags (stdoutput, segment,
7783 applicable & (SEC_ALLOC | SEC_LOAD
7786 | SEC_HAS_CONTENTS));
7788 else if (!strcmp (pa_def_subspaces[i].name, "$UNWIND$"))
7790 applicable = bfd_applicable_section_flags (stdoutput);
7791 bfd_set_section_flags (stdoutput, segment,
7792 applicable & (SEC_ALLOC | SEC_LOAD
7795 | SEC_HAS_CONTENTS));
7798 /* Find the space associated with this subspace. */
7799 space = pa_segment_to_space (pa_def_spaces[pa_def_subspaces[i].
7800 def_space_index].segment);
7803 as_fatal (_("Internal error: Unable to find containing space for %s."),
7804 pa_def_subspaces[i].name);
7807 create_new_subspace (space, name,
7808 pa_def_subspaces[i].loadable,
7809 pa_def_subspaces[i].code_only,
7810 pa_def_subspaces[i].comdat,
7811 pa_def_subspaces[i].common,
7812 pa_def_subspaces[i].dup_common,
7813 pa_def_subspaces[i].zero,
7814 pa_def_subspaces[i].sort,
7815 pa_def_subspaces[i].access,
7816 pa_def_subspaces[i].space_index,
7817 pa_def_subspaces[i].alignment,
7818 pa_def_subspaces[i].quadrant,
7824 /* Create a new space NAME, with the appropriate flags as defined
7825 by the given parameters. */
7827 static sd_chain_struct *
7828 create_new_space (name, spnum, loadable, defined, private,
7829 sort, seg, user_defined)
7832 int loadable ATTRIBUTE_UNUSED;
7839 sd_chain_struct *chain_entry;
7841 chain_entry = (sd_chain_struct *) xmalloc (sizeof (sd_chain_struct));
7843 as_fatal (_("Out of memory: could not allocate new space chain entry: %s\n"),
7846 SPACE_NAME (chain_entry) = (char *) xmalloc (strlen (name) + 1);
7847 strcpy (SPACE_NAME (chain_entry), name);
7848 SPACE_DEFINED (chain_entry) = defined;
7849 SPACE_USER_DEFINED (chain_entry) = user_defined;
7850 SPACE_SPNUM (chain_entry) = spnum;
7852 chain_entry->sd_seg = seg;
7853 chain_entry->sd_last_subseg = -1;
7854 chain_entry->sd_subspaces = NULL;
7855 chain_entry->sd_next = NULL;
7857 /* Find spot for the new space based on its sort key. */
7858 if (!space_dict_last)
7859 space_dict_last = chain_entry;
7861 if (space_dict_root == NULL)
7862 space_dict_root = chain_entry;
7865 sd_chain_struct *chain_pointer;
7866 sd_chain_struct *prev_chain_pointer;
7868 chain_pointer = space_dict_root;
7869 prev_chain_pointer = NULL;
7871 while (chain_pointer)
7873 prev_chain_pointer = chain_pointer;
7874 chain_pointer = chain_pointer->sd_next;
7877 /* At this point we've found the correct place to add the new
7878 entry. So add it and update the linked lists as appropriate. */
7879 if (prev_chain_pointer)
7881 chain_entry->sd_next = chain_pointer;
7882 prev_chain_pointer->sd_next = chain_entry;
7886 space_dict_root = chain_entry;
7887 chain_entry->sd_next = chain_pointer;
7890 if (chain_entry->sd_next == NULL)
7891 space_dict_last = chain_entry;
7894 /* This is here to catch predefined spaces which do not get
7895 modified by the user's input. Another call is found at
7896 the bottom of pa_parse_space_stmt to handle cases where
7897 the user modifies a predefined space. */
7898 #ifdef obj_set_section_attributes
7899 obj_set_section_attributes (seg, defined, private, sort, spnum);
7905 /* Create a new subspace NAME, with the appropriate flags as defined
7906 by the given parameters.
7908 Add the new subspace to the subspace dictionary chain in numerical
7909 order as defined by the SORT entries. */
7911 static ssd_chain_struct *
7912 create_new_subspace (space, name, loadable, code_only, comdat, common,
7913 dup_common, is_zero, sort, access, space_index,
7914 alignment, quadrant, seg)
7915 sd_chain_struct *space;
7917 int loadable ATTRIBUTE_UNUSED;
7918 int code_only ATTRIBUTE_UNUSED;
7919 int comdat, common, dup_common;
7920 int is_zero ATTRIBUTE_UNUSED;
7923 int space_index ATTRIBUTE_UNUSED;
7924 int alignment ATTRIBUTE_UNUSED;
7928 ssd_chain_struct *chain_entry;
7930 chain_entry = (ssd_chain_struct *) xmalloc (sizeof (ssd_chain_struct));
7932 as_fatal (_("Out of memory: could not allocate new subspace chain entry: %s\n"), name);
7934 SUBSPACE_NAME (chain_entry) = (char *) xmalloc (strlen (name) + 1);
7935 strcpy (SUBSPACE_NAME (chain_entry), name);
7937 /* Initialize subspace_defined. When we hit a .subspace directive
7938 we'll set it to 1 which "locks-in" the subspace attributes. */
7939 SUBSPACE_DEFINED (chain_entry) = 0;
7941 chain_entry->ssd_subseg = 0;
7942 chain_entry->ssd_seg = seg;
7943 chain_entry->ssd_next = NULL;
7945 /* Find spot for the new subspace based on its sort key. */
7946 if (space->sd_subspaces == NULL)
7947 space->sd_subspaces = chain_entry;
7950 ssd_chain_struct *chain_pointer;
7951 ssd_chain_struct *prev_chain_pointer;
7953 chain_pointer = space->sd_subspaces;
7954 prev_chain_pointer = NULL;
7956 while (chain_pointer)
7958 prev_chain_pointer = chain_pointer;
7959 chain_pointer = chain_pointer->ssd_next;
7962 /* Now we have somewhere to put the new entry. Insert it and update
7964 if (prev_chain_pointer)
7966 chain_entry->ssd_next = chain_pointer;
7967 prev_chain_pointer->ssd_next = chain_entry;
7971 space->sd_subspaces = chain_entry;
7972 chain_entry->ssd_next = chain_pointer;
7976 #ifdef obj_set_subsection_attributes
7977 obj_set_subsection_attributes (seg, space->sd_seg, access, sort,
7978 quadrant, comdat, common, dup_common);
7984 /* Update the information for the given subspace based upon the
7985 various arguments. Return the modified subspace chain entry. */
7987 static ssd_chain_struct *
7988 update_subspace (space, name, loadable, code_only, comdat, common, dup_common,
7989 sort, zero, access, space_index, alignment, quadrant, section)
7990 sd_chain_struct *space;
7992 int loadable ATTRIBUTE_UNUSED;
7993 int code_only ATTRIBUTE_UNUSED;
7997 int zero ATTRIBUTE_UNUSED;
8000 int space_index ATTRIBUTE_UNUSED;
8001 int alignment ATTRIBUTE_UNUSED;
8005 ssd_chain_struct *chain_entry;
8007 chain_entry = is_defined_subspace (name);
8009 #ifdef obj_set_subsection_attributes
8010 obj_set_subsection_attributes (section, space->sd_seg, access, sort,
8011 quadrant, comdat, common, dup_common);
8017 /* Return the space chain entry for the space with the name NAME or
8018 NULL if no such space exists. */
8020 static sd_chain_struct *
8021 is_defined_space (name)
8024 sd_chain_struct *chain_pointer;
8026 for (chain_pointer = space_dict_root;
8028 chain_pointer = chain_pointer->sd_next)
8030 if (strcmp (SPACE_NAME (chain_pointer), name) == 0)
8031 return chain_pointer;
8034 /* No mapping from segment to space was found. Return NULL. */
8038 /* Find and return the space associated with the given seg. If no mapping
8039 from the given seg to a space is found, then return NULL.
8041 Unlike subspaces, the number of spaces is not expected to grow much,
8042 so a linear exhaustive search is OK here. */
8044 static sd_chain_struct *
8045 pa_segment_to_space (seg)
8048 sd_chain_struct *space_chain;
8050 /* Walk through each space looking for the correct mapping. */
8051 for (space_chain = space_dict_root;
8053 space_chain = space_chain->sd_next)
8055 if (space_chain->sd_seg == seg)
8059 /* Mapping was not found. Return NULL. */
8063 /* Return the first space chain entry for the subspace with the name
8064 NAME or NULL if no such subspace exists.
8066 When there are multiple subspaces with the same name, switching to
8067 the first (i.e., default) subspace is preferable in most situations.
8068 For example, it wouldn't be desirable to merge COMDAT data with non
8071 Uses a linear search through all the spaces and subspaces, this may
8072 not be appropriate if we ever being placing each function in its
8075 static ssd_chain_struct *
8076 is_defined_subspace (name)
8079 sd_chain_struct *space_chain;
8080 ssd_chain_struct *subspace_chain;
8082 /* Walk through each space. */
8083 for (space_chain = space_dict_root;
8085 space_chain = space_chain->sd_next)
8087 /* Walk through each subspace looking for a name which matches. */
8088 for (subspace_chain = space_chain->sd_subspaces;
8090 subspace_chain = subspace_chain->ssd_next)
8091 if (strcmp (SUBSPACE_NAME (subspace_chain), name) == 0)
8092 return subspace_chain;
8095 /* Subspace wasn't found. Return NULL. */
8099 /* Find and return the subspace associated with the given seg. If no
8100 mapping from the given seg to a subspace is found, then return NULL.
8102 If we ever put each procedure/function within its own subspace
8103 (to make life easier on the compiler and linker), then this will have
8104 to become more efficient. */
8106 static ssd_chain_struct *
8107 pa_subsegment_to_subspace (seg, subseg)
8111 sd_chain_struct *space_chain;
8112 ssd_chain_struct *subspace_chain;
8114 /* Walk through each space. */
8115 for (space_chain = space_dict_root;
8117 space_chain = space_chain->sd_next)
8119 if (space_chain->sd_seg == seg)
8121 /* Walk through each subspace within each space looking for
8122 the correct mapping. */
8123 for (subspace_chain = space_chain->sd_subspaces;
8125 subspace_chain = subspace_chain->ssd_next)
8126 if (subspace_chain->ssd_subseg == (int) subseg)
8127 return subspace_chain;
8131 /* No mapping from subsegment to subspace found. Return NULL. */
8135 /* Given a number, try and find a space with the name number.
8137 Return a pointer to a space dictionary chain entry for the space
8138 that was found or NULL on failure. */
8140 static sd_chain_struct *
8141 pa_find_space_by_number (number)
8144 sd_chain_struct *space_chain;
8146 for (space_chain = space_dict_root;
8148 space_chain = space_chain->sd_next)
8150 if (SPACE_SPNUM (space_chain) == (unsigned int) number)
8154 /* No appropriate space found. Return NULL. */
8158 /* Return the starting address for the given subspace. If the starting
8159 address is unknown then return zero. */
8162 pa_subspace_start (space, quadrant)
8163 sd_chain_struct *space;
8166 /* FIXME. Assumes everyone puts read/write data at 0x4000000, this
8167 is not correct for the PA OSF1 port. */
8168 if ((strcmp (SPACE_NAME (space), "$PRIVATE$") == 0) && quadrant == 1)
8170 else if (space->sd_seg == data_section && quadrant == 1)
8178 /* Helper function for pa_stringer. Used to find the end of
8185 unsigned int c = *s & CHAR_MASK;
8198 /* Handle a .STRING type pseudo-op. */
8201 pa_stringer (append_zero)
8204 char *s, num_buf[4];
8208 /* Preprocess the string to handle PA-specific escape sequences.
8209 For example, \xDD where DD is a hexadecimal number should be
8210 changed to \OOO where OOO is an octal number. */
8213 /* We must have a valid space and subspace. */
8214 pa_check_current_space_and_subspace ();
8217 /* Skip the opening quote. */
8218 s = input_line_pointer + 1;
8220 while (is_a_char (c = pa_stringer_aux (s++)))
8227 /* Handle \x<num>. */
8230 unsigned int number;
8235 /* Get past the 'x'. */
8237 for (num_digit = 0, number = 0, dg = *s;
8239 && (ISDIGIT (dg) || (dg >= 'a' && dg <= 'f')
8240 || (dg >= 'A' && dg <= 'F'));
8244 number = number * 16 + dg - '0';
8245 else if (dg >= 'a' && dg <= 'f')
8246 number = number * 16 + dg - 'a' + 10;
8248 number = number * 16 + dg - 'A' + 10;
8258 sprintf (num_buf, "%02o", number);
8261 sprintf (num_buf, "%03o", number);
8264 for (i = 0; i <= num_digit; i++)
8265 s_start[i] = num_buf[i];
8269 /* This might be a "\"", skip over the escaped char. */
8276 stringer (append_zero);
8277 pa_undefine_label ();
8280 /* Handle a .VERSION pseudo-op. */
8284 int unused ATTRIBUTE_UNUSED;
8287 pa_undefine_label ();
8292 /* Handle a .COMPILER pseudo-op. */
8295 pa_compiler (unused)
8296 int unused ATTRIBUTE_UNUSED;
8298 obj_som_compiler (0);
8299 pa_undefine_label ();
8304 /* Handle a .COPYRIGHT pseudo-op. */
8307 pa_copyright (unused)
8308 int unused ATTRIBUTE_UNUSED;
8311 pa_undefine_label ();
8314 /* Just like a normal cons, but when finished we have to undefine
8315 the latest space label. */
8322 pa_undefine_label ();
8325 /* Like float_cons, but we need to undefine our label. */
8328 pa_float_cons (float_type)
8331 float_cons (float_type);
8332 pa_undefine_label ();
8335 /* Like s_fill, but delete our label when finished. */
8339 int unused ATTRIBUTE_UNUSED;
8342 /* We must have a valid space and subspace. */
8343 pa_check_current_space_and_subspace ();
8347 pa_undefine_label ();
8350 /* Like lcomm, but delete our label when finished. */
8353 pa_lcomm (needs_align)
8357 /* We must have a valid space and subspace. */
8358 pa_check_current_space_and_subspace ();
8361 s_lcomm (needs_align);
8362 pa_undefine_label ();
8365 /* Like lsym, but delete our label when finished. */
8369 int unused ATTRIBUTE_UNUSED;
8372 /* We must have a valid space and subspace. */
8373 pa_check_current_space_and_subspace ();
8377 pa_undefine_label ();
8380 /* On the PA relocations which involve function symbols must not be
8381 adjusted. This so that the linker can know when/how to create argument
8382 relocation stubs for indirect calls and calls to static functions.
8384 "T" field selectors create DLT relative fixups for accessing
8385 globals and statics in PIC code; each DLT relative fixup creates
8386 an entry in the DLT table. The entries contain the address of
8387 the final target (eg accessing "foo" would create a DLT entry
8388 with the address of "foo").
8390 Unfortunately, the HP linker doesn't take into account any addend
8391 when generating the DLT; so accessing $LIT$+8 puts the address of
8392 $LIT$ into the DLT rather than the address of $LIT$+8.
8394 The end result is we can't perform relocation symbol reductions for
8395 any fixup which creates entries in the DLT (eg they use "T" field
8398 Reject reductions involving symbols with external scope; such
8399 reductions make life a living hell for object file editors.
8401 FIXME. Also reject R_HPPA relocations which are 32bits wide in
8402 the code space. The SOM BFD backend doesn't know how to pull the
8403 right bits out of an instruction. */
8406 hppa_fix_adjustable (fixp)
8412 struct hppa_fix_struct *hppa_fix;
8414 hppa_fix = (struct hppa_fix_struct *) fixp->tc_fix_data;
8417 /* Reject reductions of symbols in 32bit relocs unless they
8419 if (fixp->fx_r_type == R_HPPA
8420 && hppa_fix->fx_r_format == 32
8421 && strncmp (S_GET_NAME (fixp->fx_addsy),
8423 strlen (FAKE_LABEL_NAME)))
8428 /* LR/RR selectors are implicitly used for a number of different relocation
8429 types. We must ensure that none of these types are adjusted (see below)
8430 even if they occur with a different selector. */
8431 code = elf_hppa_reloc_final_type (stdoutput, fixp->fx_r_type,
8432 hppa_fix->fx_r_format,
8433 hppa_fix->fx_r_field);
8437 /* Relocation types which use e_lrsel. */
8438 case R_PARISC_DIR21L:
8439 case R_PARISC_DLTREL21L:
8440 case R_PARISC_DPREL21L:
8441 case R_PARISC_PLTOFF21L:
8443 /* Relocation types which use e_rrsel. */
8444 case R_PARISC_DIR14R:
8445 case R_PARISC_DIR14DR:
8446 case R_PARISC_DIR14WR:
8447 case R_PARISC_DIR17R:
8448 case R_PARISC_DLTREL14R:
8449 case R_PARISC_DLTREL14DR:
8450 case R_PARISC_DLTREL14WR:
8451 case R_PARISC_DPREL14R:
8452 case R_PARISC_DPREL14DR:
8453 case R_PARISC_DPREL14WR:
8454 case R_PARISC_PLTOFF14R:
8455 case R_PARISC_PLTOFF14DR:
8456 case R_PARISC_PLTOFF14WR:
8458 /* Other types that we reject for reduction. */
8459 case R_PARISC_GNU_VTENTRY:
8460 case R_PARISC_GNU_VTINHERIT:
8467 /* Reject reductions of symbols in sym1-sym2 expressions when
8468 the fixup will occur in a CODE subspace.
8470 XXX FIXME: Long term we probably want to reject all of these;
8471 for example reducing in the debug section would lose if we ever
8472 supported using the optimizing hp linker. */
8475 && (hppa_fix->segment->flags & SEC_CODE))
8478 /* We can't adjust any relocs that use LR% and RR% field selectors.
8480 If a symbol is reduced to a section symbol, the assembler will
8481 adjust the addend unless the symbol happens to reside right at
8482 the start of the section. Additionally, the linker has no choice
8483 but to manipulate the addends when coalescing input sections for
8484 "ld -r". Since an LR% field selector is defined to round the
8485 addend, we can't change the addend without risking that a LR% and
8486 it's corresponding (possible multiple) RR% field will no longer
8487 sum to the right value.
8490 . ldil LR%foo+0,%r21
8491 . ldw RR%foo+0(%r21),%r26
8492 . ldw RR%foo+4(%r21),%r25
8494 If foo is at address 4092 (decimal) in section `sect', then after
8495 reducing to the section symbol we get
8496 . LR%sect+4092 == (L%sect)+0
8497 . RR%sect+4092 == (R%sect)+4092
8498 . RR%sect+4096 == (R%sect)-4096
8499 and the last address loses because rounding the addend to 8k
8500 multiples takes us up to 8192 with an offset of -4096.
8502 In cases where the LR% expression is identical to the RR% one we
8503 will never have a problem, but is so happens that gcc rounds
8504 addends involved in LR% field selectors to work around a HP
8505 linker bug. ie. We often have addresses like the last case
8506 above where the LR% expression is offset from the RR% one. */
8508 if (hppa_fix->fx_r_field == e_lrsel
8509 || hppa_fix->fx_r_field == e_rrsel
8510 || hppa_fix->fx_r_field == e_nlrsel)
8513 /* Reject reductions of symbols in DLT relative relocs,
8514 relocations with plabels. */
8515 if (hppa_fix->fx_r_field == e_tsel
8516 || hppa_fix->fx_r_field == e_ltsel
8517 || hppa_fix->fx_r_field == e_rtsel
8518 || hppa_fix->fx_r_field == e_psel
8519 || hppa_fix->fx_r_field == e_rpsel
8520 || hppa_fix->fx_r_field == e_lpsel)
8523 /* Reject absolute calls (jumps). */
8524 if (hppa_fix->fx_r_type == R_HPPA_ABS_CALL)
8527 /* Reject reductions of function symbols. */
8528 if (fixp->fx_addsy != 0 && S_IS_FUNCTION (fixp->fx_addsy))
8534 /* Return nonzero if the fixup in FIXP will require a relocation,
8535 even it if appears that the fixup could be completely handled
8539 hppa_force_relocation (fixp)
8542 struct hppa_fix_struct *hppa_fixp;
8544 hppa_fixp = (struct hppa_fix_struct *) fixp->tc_fix_data;
8546 if (fixp->fx_r_type == (int) R_HPPA_ENTRY
8547 || fixp->fx_r_type == (int) R_HPPA_EXIT
8548 || fixp->fx_r_type == (int) R_HPPA_BEGIN_BRTAB
8549 || fixp->fx_r_type == (int) R_HPPA_END_BRTAB
8550 || fixp->fx_r_type == (int) R_HPPA_BEGIN_TRY
8551 || fixp->fx_r_type == (int) R_HPPA_END_TRY
8552 || (fixp->fx_addsy != NULL && fixp->fx_subsy != NULL
8553 && (hppa_fixp->segment->flags & SEC_CODE) != 0))
8557 if (fixp->fx_r_type == (int) R_PARISC_GNU_VTINHERIT
8558 || fixp->fx_r_type == (int) R_PARISC_GNU_VTENTRY)
8562 assert (fixp->fx_addsy != NULL);
8564 /* Ensure we emit a relocation for global symbols so that dynamic
8566 if (S_FORCE_RELOC (fixp->fx_addsy, 1))
8569 /* It is necessary to force PC-relative calls/jumps to have a relocation
8570 entry if they're going to need either an argument relocation or long
8573 && arg_reloc_stub_needed (symbol_arg_reloc_info (fixp->fx_addsy),
8574 hppa_fixp->fx_arg_reloc))
8577 /* Now check to see if we're going to need a long-branch stub. */
8578 if (fixp->fx_r_type == (int) R_HPPA_PCREL_CALL)
8580 long pc = md_pcrel_from (fixp);
8581 valueT distance, min_stub_distance;
8583 distance = fixp->fx_offset + S_GET_VALUE (fixp->fx_addsy) - pc - 8;
8585 /* Distance to the closest possible stub. This will detect most
8586 but not all circumstances where a stub will not work. */
8587 min_stub_distance = pc + 16;
8589 if (last_call_info != NULL)
8590 min_stub_distance -= S_GET_VALUE (last_call_info->start_symbol);
8593 if ((distance + 8388608 >= 16777216
8594 && min_stub_distance <= 8388608)
8595 || (hppa_fixp->fx_r_format == 17
8596 && distance + 262144 >= 524288
8597 && min_stub_distance <= 262144)
8598 || (hppa_fixp->fx_r_format == 12
8599 && distance + 8192 >= 16384
8600 && min_stub_distance <= 8192)
8605 if (fixp->fx_r_type == (int) R_HPPA_ABS_CALL)
8608 /* No need (yet) to force another relocations to be emitted. */
8612 /* Now for some ELF specific code. FIXME. */
8614 /* Mark the end of a function so that it's possible to compute
8615 the size of the function in elf_hppa_final_processing. */
8618 hppa_elf_mark_end_of_function ()
8620 /* ELF does not have EXIT relocations. All we do is create a
8621 temporary symbol marking the end of the function. */
8624 if (last_call_info == NULL || last_call_info->start_symbol == NULL)
8626 /* We have already warned about a missing label,
8627 or other problems. */
8631 name = (char *) xmalloc (strlen ("L$\001end_")
8632 + strlen (S_GET_NAME (last_call_info->start_symbol))
8638 strcpy (name, "L$\001end_");
8639 strcat (name, S_GET_NAME (last_call_info->start_symbol));
8641 /* If we have a .exit followed by a .procend, then the
8642 symbol will have already been defined. */
8643 symbolP = symbol_find (name);
8646 /* The symbol has already been defined! This can
8647 happen if we have a .exit followed by a .procend.
8649 This is *not* an error. All we want to do is free
8650 the memory we just allocated for the name and continue. */
8655 /* symbol value should be the offset of the
8656 last instruction of the function */
8657 symbolP = symbol_new (name, now_seg, (valueT) (frag_now_fix () - 4),
8661 S_CLEAR_EXTERNAL (symbolP);
8662 symbol_table_insert (symbolP);
8666 last_call_info->end_symbol = symbolP;
8668 as_bad (_("Symbol '%s' could not be created."), name);
8672 as_bad (_("No memory for symbol name."));
8676 /* For ELF, this function serves one purpose: to setup the st_size
8677 field of STT_FUNC symbols. To do this, we need to scan the
8678 call_info structure list, determining st_size in by taking the
8679 difference in the address of the beginning/end marker symbols. */
8682 elf_hppa_final_processing ()
8684 struct call_info *call_info_pointer;
8686 for (call_info_pointer = call_info_root;
8688 call_info_pointer = call_info_pointer->ci_next)
8690 elf_symbol_type *esym
8691 = ((elf_symbol_type *)
8692 symbol_get_bfdsym (call_info_pointer->start_symbol));
8693 esym->internal_elf_sym.st_size =
8694 S_GET_VALUE (call_info_pointer->end_symbol)
8695 - S_GET_VALUE (call_info_pointer->start_symbol) + 4;
8700 pa_vtable_entry (ignore)
8701 int ignore ATTRIBUTE_UNUSED;
8703 struct fix *new_fix;
8705 new_fix = obj_elf_vtable_entry (0);
8709 struct hppa_fix_struct *hppa_fix = (struct hppa_fix_struct *)
8710 obstack_alloc (¬es, sizeof (struct hppa_fix_struct));
8711 hppa_fix->fx_r_type = R_HPPA;
8712 hppa_fix->fx_r_field = e_fsel;
8713 hppa_fix->fx_r_format = 32;
8714 hppa_fix->fx_arg_reloc = 0;
8715 hppa_fix->segment = now_seg;
8716 new_fix->tc_fix_data = (void *) hppa_fix;
8717 new_fix->fx_r_type = (int) R_PARISC_GNU_VTENTRY;
8722 pa_vtable_inherit (ignore)
8723 int ignore ATTRIBUTE_UNUSED;
8725 struct fix *new_fix;
8727 new_fix = obj_elf_vtable_inherit (0);
8731 struct hppa_fix_struct *hppa_fix = (struct hppa_fix_struct *)
8732 obstack_alloc (¬es, sizeof (struct hppa_fix_struct));
8733 hppa_fix->fx_r_type = R_HPPA;
8734 hppa_fix->fx_r_field = e_fsel;
8735 hppa_fix->fx_r_format = 32;
8736 hppa_fix->fx_arg_reloc = 0;
8737 hppa_fix->segment = now_seg;
8738 new_fix->tc_fix_data = (void *) hppa_fix;
8739 new_fix->fx_r_type = (int) R_PARISC_GNU_VTINHERIT;