1 /* tc-hppa.c -- Assemble for the PA
2 Copyright (C) 1989-2015 Free Software Foundation, Inc.
4 This file is part of GAS, the GNU Assembler.
6 GAS is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3, or (at your option)
11 GAS is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GAS; see the file COPYING. If not, write to the Free
18 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
21 /* HP PA-RISC support was contributed by the Center for Software Science
22 at the University of Utah. */
25 #include "safe-ctype.h"
27 #include "dw2gencfi.h"
29 #include "bfd/libhppa.h"
31 /* Be careful, this file includes data *declarations*. */
32 #include "opcode/hppa.h"
34 #if defined (OBJ_ELF) && defined (OBJ_SOM)
35 error only one of OBJ_ELF
and OBJ_SOM can be defined
38 /* If we are using ELF, then we probably can support dwarf2 debug
39 records. Furthermore, if we are supporting dwarf2 debug records,
40 then we want to use the assembler support for compact line numbers. */
42 #include "dwarf2dbg.h"
44 /* A "convenient" place to put object file dependencies which do
45 not need to be seen outside of tc-hppa.c. */
47 /* Object file formats specify relocation types. */
48 typedef enum elf_hppa_reloc_type reloc_type
;
50 /* Object file formats specify BFD symbol types. */
51 typedef elf_symbol_type obj_symbol_type
;
52 #define symbol_arg_reloc_info(sym)\
53 (((obj_symbol_type *) symbol_get_bfdsym (sym))->tc_data.hppa_arg_reloc)
55 #if TARGET_ARCH_SIZE == 64
56 /* How to generate a relocation. */
57 #define hppa_gen_reloc_type _bfd_elf64_hppa_gen_reloc_type
58 #define elf_hppa_reloc_final_type elf64_hppa_reloc_final_type
60 #define hppa_gen_reloc_type _bfd_elf32_hppa_gen_reloc_type
61 #define elf_hppa_reloc_final_type elf32_hppa_reloc_final_type
64 /* ELF objects can have versions, but apparently do not have anywhere
65 to store a copyright string. */
66 #define obj_version obj_elf_version
67 #define obj_copyright obj_elf_version
69 #define UNWIND_SECTION_NAME ".PARISC.unwind"
73 /* Names of various debugging spaces/subspaces. */
74 #define GDB_DEBUG_SPACE_NAME "$GDB_DEBUG$"
75 #define GDB_STRINGS_SUBSPACE_NAME "$GDB_STRINGS$"
76 #define GDB_SYMBOLS_SUBSPACE_NAME "$GDB_SYMBOLS$"
77 #define UNWIND_SECTION_NAME "$UNWIND$"
79 /* Object file formats specify relocation types. */
80 typedef int reloc_type
;
82 /* SOM objects can have both a version string and a copyright string. */
83 #define obj_version obj_som_version
84 #define obj_copyright obj_som_copyright
86 /* How to generate a relocation. */
87 #define hppa_gen_reloc_type hppa_som_gen_reloc_type
89 /* Object file formats specify BFD symbol types. */
90 typedef som_symbol_type obj_symbol_type
;
91 #define symbol_arg_reloc_info(sym)\
92 (((obj_symbol_type *) symbol_get_bfdsym (sym))->tc_data.ap.hppa_arg_reloc)
94 /* This apparently isn't in older versions of hpux reloc.h. */
96 #define R_DLT_REL 0x78
108 #if TARGET_ARCH_SIZE == 64
109 #define DEFAULT_LEVEL 25
111 #define DEFAULT_LEVEL 10
114 /* Various structures and types used internally in tc-hppa.c. */
116 /* Unwind table and descriptor. FIXME: Sync this with GDB version. */
120 unsigned int cannot_unwind
:1;
121 unsigned int millicode
:1;
122 unsigned int millicode_save_rest
:1;
123 unsigned int region_desc
:2;
124 unsigned int save_sr
:2;
125 unsigned int entry_fr
:4;
126 unsigned int entry_gr
:5;
127 unsigned int args_stored
:1;
128 unsigned int call_fr
:5;
129 unsigned int call_gr
:5;
130 unsigned int save_sp
:1;
131 unsigned int save_rp
:1;
132 unsigned int save_rp_in_frame
:1;
133 unsigned int extn_ptr_defined
:1;
134 unsigned int cleanup_defined
:1;
136 unsigned int hpe_interrupt_marker
:1;
137 unsigned int hpux_interrupt_marker
:1;
138 unsigned int reserved
:3;
139 unsigned int frame_size
:27;
142 /* We can't rely on compilers placing bitfields in any particular
143 place, so use these macros when dumping unwind descriptors to
145 #define UNWIND_LOW32(U) \
146 (((U)->cannot_unwind << 31) \
147 | ((U)->millicode << 30) \
148 | ((U)->millicode_save_rest << 29) \
149 | ((U)->region_desc << 27) \
150 | ((U)->save_sr << 25) \
151 | ((U)->entry_fr << 21) \
152 | ((U)->entry_gr << 16) \
153 | ((U)->args_stored << 15) \
154 | ((U)->call_fr << 10) \
155 | ((U)->call_gr << 5) \
156 | ((U)->save_sp << 4) \
157 | ((U)->save_rp << 3) \
158 | ((U)->save_rp_in_frame << 2) \
159 | ((U)->extn_ptr_defined << 1) \
160 | ((U)->cleanup_defined << 0))
162 #define UNWIND_HIGH32(U) \
163 (((U)->hpe_interrupt_marker << 31) \
164 | ((U)->hpux_interrupt_marker << 30) \
165 | ((U)->frame_size << 0))
169 /* Starting and ending offsets of the region described by
171 unsigned int start_offset
;
172 unsigned int end_offset
;
173 struct unwind_desc descriptor
;
176 /* This structure is used by the .callinfo, .enter, .leave pseudo-ops to
177 control the entry and exit code they generate. It is also used in
178 creation of the correct stack unwind descriptors.
180 NOTE: GAS does not support .enter and .leave for the generation of
181 prologues and epilogues. FIXME.
183 The fields in structure roughly correspond to the arguments available on the
184 .callinfo pseudo-op. */
188 /* The unwind descriptor being built. */
189 struct unwind_table ci_unwind
;
191 /* Name of this function. */
192 symbolS
*start_symbol
;
194 /* (temporary) symbol used to mark the end of this function. */
197 /* Next entry in the chain. */
198 struct call_info
*ci_next
;
201 /* Operand formats for FP instructions. Note not all FP instructions
202 allow all four formats to be used (for example fmpysub only allows
206 SGL
, DBL
, ILLEGAL_FMT
, QUAD
, W
, UW
, DW
, UDW
, QW
, UQW
210 /* This fully describes the symbol types which may be attached to
211 an EXPORT or IMPORT directive. Only SOM uses this formation
212 (ELF has no need for it). */
216 SYMBOL_TYPE_ABSOLUTE
,
220 SYMBOL_TYPE_MILLICODE
,
222 SYMBOL_TYPE_PRI_PROG
,
223 SYMBOL_TYPE_SEC_PROG
,
227 /* This structure contains information needed to assemble
228 individual instructions. */
231 /* Holds the opcode after parsing by pa_ip. */
232 unsigned long opcode
;
234 /* Holds an expression associated with the current instruction. */
237 /* Does this instruction use PC-relative addressing. */
240 /* Floating point formats for operand1 and operand2. */
241 fp_operand_format fpof1
;
242 fp_operand_format fpof2
;
244 /* Whether or not we saw a truncation request on an fcnv insn. */
247 /* Holds the field selector for this instruction
248 (for example L%, LR%, etc). */
251 /* Holds any argument relocation bits associated with this
252 instruction. (instruction should be some sort of call). */
253 unsigned int arg_reloc
;
255 /* The format specification for this instruction. */
258 /* The relocation (if any) associated with this instruction. */
262 /* PA-89 floating point registers are arranged like this:
264 +--------------+--------------+
265 | 0 or 16L | 16 or 16R |
266 +--------------+--------------+
267 | 1 or 17L | 17 or 17R |
268 +--------------+--------------+
276 +--------------+--------------+
277 | 14 or 30L | 30 or 30R |
278 +--------------+--------------+
279 | 15 or 31L | 31 or 31R |
280 +--------------+--------------+ */
282 /* Additional information needed to build argument relocation stubs. */
285 /* The argument relocation specification. */
286 unsigned int arg_reloc
;
288 /* Number of arguments. */
289 unsigned int arg_count
;
293 /* This structure defines an entry in the subspace dictionary
296 struct subspace_dictionary_chain
298 /* Nonzero if this space has been defined by the user code. */
299 unsigned int ssd_defined
;
301 /* Name of this subspace. */
304 /* GAS segment and subsegment associated with this subspace. */
308 /* Next space in the subspace dictionary chain. */
309 struct subspace_dictionary_chain
*ssd_next
;
312 typedef struct subspace_dictionary_chain ssd_chain_struct
;
314 /* This structure defines an entry in the subspace dictionary
317 struct space_dictionary_chain
319 /* Nonzero if this space has been defined by the user code or
320 as a default space. */
321 unsigned int sd_defined
;
323 /* Nonzero if this spaces has been defined by the user code. */
324 unsigned int sd_user_defined
;
326 /* The space number (or index). */
327 unsigned int sd_spnum
;
329 /* The name of this subspace. */
332 /* GAS segment to which this subspace corresponds. */
335 /* Current subsegment number being used. */
338 /* The chain of subspaces contained within this space. */
339 ssd_chain_struct
*sd_subspaces
;
341 /* The next entry in the space dictionary chain. */
342 struct space_dictionary_chain
*sd_next
;
345 typedef struct space_dictionary_chain sd_chain_struct
;
347 /* This structure defines attributes of the default subspace
348 dictionary entries. */
350 struct default_subspace_dict
352 /* Name of the subspace. */
355 /* FIXME. Is this still needed? */
358 /* Nonzero if this subspace is loadable. */
361 /* Nonzero if this subspace contains only code. */
364 /* Nonzero if this is a comdat subspace. */
367 /* Nonzero if this is a common subspace. */
370 /* Nonzero if this is a common subspace which allows symbols
371 to be multiply defined. */
374 /* Nonzero if this subspace should be zero filled. */
377 /* Sort key for this subspace. */
380 /* Access control bits for this subspace. Can represent RWX access
381 as well as privilege level changes for gateways. */
384 /* Index of containing space. */
387 /* Alignment (in bytes) of this subspace. */
390 /* Quadrant within space where this subspace should be loaded. */
393 /* An index into the default spaces array. */
396 /* Subsegment associated with this subspace. */
400 /* This structure defines attributes of the default space
401 dictionary entries. */
403 struct default_space_dict
405 /* Name of the space. */
408 /* Space number. It is possible to identify spaces within
409 assembly code numerically! */
412 /* Nonzero if this space is loadable. */
415 /* Nonzero if this space is "defined". FIXME is still needed */
418 /* Nonzero if this space can not be shared. */
421 /* Sort key for this space. */
424 /* Segment associated with this space. */
429 /* Structure for previous label tracking. Needed so that alignments,
430 callinfo declarations, etc can be easily attached to a particular
432 typedef struct label_symbol_struct
434 struct symbol
*lss_label
;
436 sd_chain_struct
*lss_space
;
441 struct label_symbol_struct
*lss_next
;
445 /* Extra information needed to perform fixups (relocations) on the PA. */
446 struct hppa_fix_struct
448 /* The field selector. */
449 enum hppa_reloc_field_selector_type_alt fx_r_field
;
454 /* Format of fixup. */
457 /* Argument relocation bits. */
458 unsigned int fx_arg_reloc
;
460 /* The segment this fixup appears in. */
464 /* Structure to hold information about predefined registers. */
472 /* This structure defines the mapping from a FP condition string
473 to a condition number which can be recorded in an instruction. */
480 /* This structure defines a mapping from a field selector
481 string to a field selector type. */
482 struct selector_entry
488 /* Prototypes for functions local to tc-hppa.c. */
491 static void pa_check_current_space_and_subspace (void);
494 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
495 static void pa_text (int);
496 static void pa_data (int);
497 static void pa_comm (int);
500 static int exact_log2 (int);
501 static void pa_compiler (int);
502 static void pa_align (int);
503 static void pa_space (int);
504 static void pa_spnum (int);
505 static void pa_subspace (int);
506 static sd_chain_struct
*create_new_space (char *, int, int,
509 static ssd_chain_struct
*create_new_subspace (sd_chain_struct
*,
514 static ssd_chain_struct
*update_subspace (sd_chain_struct
*,
515 char *, int, int, int,
519 static sd_chain_struct
*is_defined_space (char *);
520 static ssd_chain_struct
*is_defined_subspace (char *);
521 static sd_chain_struct
*pa_segment_to_space (asection
*);
522 static ssd_chain_struct
*pa_subsegment_to_subspace (asection
*,
524 static sd_chain_struct
*pa_find_space_by_number (int);
525 static unsigned int pa_subspace_start (sd_chain_struct
*, int);
526 static sd_chain_struct
*pa_parse_space_stmt (char *, int);
529 /* File and globally scoped variable declarations. */
532 /* Root and final entry in the space chain. */
533 static sd_chain_struct
*space_dict_root
;
534 static sd_chain_struct
*space_dict_last
;
536 /* The current space and subspace. */
537 static sd_chain_struct
*current_space
;
538 static ssd_chain_struct
*current_subspace
;
541 /* Root of the call_info chain. */
542 static struct call_info
*call_info_root
;
544 /* The last call_info (for functions) structure
545 seen so it can be associated with fixups and
547 static struct call_info
*last_call_info
;
549 /* The last call description (for actual calls). */
550 static struct call_desc last_call_desc
;
552 /* handle of the OPCODE hash table */
553 static struct hash_control
*op_hash
= NULL
;
555 /* These characters can be suffixes of opcode names and they may be
556 followed by meaningful whitespace. We don't include `,' and `!'
557 as they never appear followed by meaningful whitespace. */
558 const char hppa_symbol_chars
[] = "*?=<>";
560 /* This array holds the chars that only start a comment at the beginning of
561 a line. If the line seems to have the form '# 123 filename'
562 .line and .file directives will appear in the pre-processed output.
564 Note that input_file.c hand checks for '#' at the beginning of the
565 first line of the input file. This is because the compiler outputs
566 #NO_APP at the beginning of its output.
568 Also note that C style comments will always work. */
569 const char line_comment_chars
[] = "#";
571 /* This array holds the chars that always start a comment. If the
572 pre-processor is disabled, these aren't very useful. */
573 const char comment_chars
[] = ";";
575 /* This array holds the characters which act as line separators. */
576 const char line_separator_chars
[] = "!";
578 /* Chars that can be used to separate mant from exp in floating point nums. */
579 const char EXP_CHARS
[] = "eE";
581 /* Chars that mean this number is a floating point constant.
582 As in 0f12.456 or 0d1.2345e12.
584 Be aware that MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT may have to be
585 changed in read.c. Ideally it shouldn't have to know about it
586 at all, but nothing is ideal around here. */
587 const char FLT_CHARS
[] = "rRsSfFdDxXpP";
589 static struct pa_it the_insn
;
591 /* Points to the end of an expression just parsed by get_expression
592 and friends. FIXME. This shouldn't be handled with a file-global
594 static char *expr_end
;
596 /* Nonzero if a .callinfo appeared within the current procedure. */
597 static int callinfo_found
;
599 /* Nonzero if the assembler is currently within a .entry/.exit pair. */
600 static int within_entry_exit
;
602 /* Nonzero if the assembler is currently within a procedure definition. */
603 static int within_procedure
;
605 /* Handle on structure which keep track of the last symbol
606 seen in each subspace. */
607 static label_symbol_struct
*label_symbols_rootp
= NULL
;
609 /* Last label symbol */
610 static label_symbol_struct last_label_symbol
;
612 /* Nonzero when strict matching is enabled. Zero otherwise.
614 Each opcode in the table has a flag which indicates whether or
615 not strict matching should be enabled for that instruction.
617 Mainly, strict causes errors to be ignored when a match failure
618 occurs. However, it also affects the parsing of register fields
619 by pa_parse_number. */
622 /* pa_parse_number returns values in `pa_number'. Mostly
623 pa_parse_number is used to return a register number, with floating
624 point registers being numbered from FP_REG_BASE upwards.
625 The bit specified with FP_REG_RSEL is set if the floating point
626 register has a `r' suffix. */
627 #define FP_REG_BASE 64
628 #define FP_REG_RSEL 128
629 static int pa_number
;
632 /* A dummy bfd symbol so that all relocations have symbols of some kind. */
633 static symbolS
*dummy_symbol
;
636 /* Nonzero if errors are to be printed. */
637 static int print_errors
= 1;
639 /* List of registers that are pre-defined:
641 Each general register has one predefined name of the form
642 %r<REGNUM> which has the value <REGNUM>.
644 Space and control registers are handled in a similar manner,
645 but use %sr<REGNUM> and %cr<REGNUM> as their predefined names.
647 Likewise for the floating point registers, but of the form
648 %fr<REGNUM>. Floating point registers have additional predefined
649 names with 'L' and 'R' suffixes (e.g. %fr19L, %fr19R) which
650 again have the value <REGNUM>.
652 Many registers also have synonyms:
654 %r26 - %r23 have %arg0 - %arg3 as synonyms
655 %r28 - %r29 have %ret0 - %ret1 as synonyms
656 %fr4 - %fr7 have %farg0 - %farg3 as synonyms
657 %r30 has %sp as a synonym
658 %r27 has %dp as a synonym
659 %r2 has %rp as a synonym
661 Almost every control register has a synonym; they are not listed
664 The table is sorted. Suitable for searching by a binary search. */
666 static const struct pd_reg pre_defined_registers
[] =
700 {"%farg0", 4 + FP_REG_BASE
},
701 {"%farg1", 5 + FP_REG_BASE
},
702 {"%farg2", 6 + FP_REG_BASE
},
703 {"%farg3", 7 + FP_REG_BASE
},
704 {"%fr0", 0 + FP_REG_BASE
},
705 {"%fr0l", 0 + FP_REG_BASE
},
706 {"%fr0r", 0 + FP_REG_BASE
+ FP_REG_RSEL
},
707 {"%fr1", 1 + FP_REG_BASE
},
708 {"%fr10", 10 + FP_REG_BASE
},
709 {"%fr10l", 10 + FP_REG_BASE
},
710 {"%fr10r", 10 + FP_REG_BASE
+ FP_REG_RSEL
},
711 {"%fr11", 11 + FP_REG_BASE
},
712 {"%fr11l", 11 + FP_REG_BASE
},
713 {"%fr11r", 11 + FP_REG_BASE
+ FP_REG_RSEL
},
714 {"%fr12", 12 + FP_REG_BASE
},
715 {"%fr12l", 12 + FP_REG_BASE
},
716 {"%fr12r", 12 + FP_REG_BASE
+ FP_REG_RSEL
},
717 {"%fr13", 13 + FP_REG_BASE
},
718 {"%fr13l", 13 + FP_REG_BASE
},
719 {"%fr13r", 13 + FP_REG_BASE
+ FP_REG_RSEL
},
720 {"%fr14", 14 + FP_REG_BASE
},
721 {"%fr14l", 14 + FP_REG_BASE
},
722 {"%fr14r", 14 + FP_REG_BASE
+ FP_REG_RSEL
},
723 {"%fr15", 15 + FP_REG_BASE
},
724 {"%fr15l", 15 + FP_REG_BASE
},
725 {"%fr15r", 15 + FP_REG_BASE
+ FP_REG_RSEL
},
726 {"%fr16", 16 + FP_REG_BASE
},
727 {"%fr16l", 16 + FP_REG_BASE
},
728 {"%fr16r", 16 + FP_REG_BASE
+ FP_REG_RSEL
},
729 {"%fr17", 17 + FP_REG_BASE
},
730 {"%fr17l", 17 + FP_REG_BASE
},
731 {"%fr17r", 17 + FP_REG_BASE
+ FP_REG_RSEL
},
732 {"%fr18", 18 + FP_REG_BASE
},
733 {"%fr18l", 18 + FP_REG_BASE
},
734 {"%fr18r", 18 + FP_REG_BASE
+ FP_REG_RSEL
},
735 {"%fr19", 19 + FP_REG_BASE
},
736 {"%fr19l", 19 + FP_REG_BASE
},
737 {"%fr19r", 19 + FP_REG_BASE
+ FP_REG_RSEL
},
738 {"%fr1l", 1 + FP_REG_BASE
},
739 {"%fr1r", 1 + FP_REG_BASE
+ FP_REG_RSEL
},
740 {"%fr2", 2 + FP_REG_BASE
},
741 {"%fr20", 20 + FP_REG_BASE
},
742 {"%fr20l", 20 + FP_REG_BASE
},
743 {"%fr20r", 20 + FP_REG_BASE
+ FP_REG_RSEL
},
744 {"%fr21", 21 + FP_REG_BASE
},
745 {"%fr21l", 21 + FP_REG_BASE
},
746 {"%fr21r", 21 + FP_REG_BASE
+ FP_REG_RSEL
},
747 {"%fr22", 22 + FP_REG_BASE
},
748 {"%fr22l", 22 + FP_REG_BASE
},
749 {"%fr22r", 22 + FP_REG_BASE
+ FP_REG_RSEL
},
750 {"%fr23", 23 + FP_REG_BASE
},
751 {"%fr23l", 23 + FP_REG_BASE
},
752 {"%fr23r", 23 + FP_REG_BASE
+ FP_REG_RSEL
},
753 {"%fr24", 24 + FP_REG_BASE
},
754 {"%fr24l", 24 + FP_REG_BASE
},
755 {"%fr24r", 24 + FP_REG_BASE
+ FP_REG_RSEL
},
756 {"%fr25", 25 + FP_REG_BASE
},
757 {"%fr25l", 25 + FP_REG_BASE
},
758 {"%fr25r", 25 + FP_REG_BASE
+ FP_REG_RSEL
},
759 {"%fr26", 26 + FP_REG_BASE
},
760 {"%fr26l", 26 + FP_REG_BASE
},
761 {"%fr26r", 26 + FP_REG_BASE
+ FP_REG_RSEL
},
762 {"%fr27", 27 + FP_REG_BASE
},
763 {"%fr27l", 27 + FP_REG_BASE
},
764 {"%fr27r", 27 + FP_REG_BASE
+ FP_REG_RSEL
},
765 {"%fr28", 28 + FP_REG_BASE
},
766 {"%fr28l", 28 + FP_REG_BASE
},
767 {"%fr28r", 28 + FP_REG_BASE
+ FP_REG_RSEL
},
768 {"%fr29", 29 + FP_REG_BASE
},
769 {"%fr29l", 29 + FP_REG_BASE
},
770 {"%fr29r", 29 + FP_REG_BASE
+ FP_REG_RSEL
},
771 {"%fr2l", 2 + FP_REG_BASE
},
772 {"%fr2r", 2 + FP_REG_BASE
+ FP_REG_RSEL
},
773 {"%fr3", 3 + FP_REG_BASE
},
774 {"%fr30", 30 + FP_REG_BASE
},
775 {"%fr30l", 30 + FP_REG_BASE
},
776 {"%fr30r", 30 + FP_REG_BASE
+ FP_REG_RSEL
},
777 {"%fr31", 31 + FP_REG_BASE
},
778 {"%fr31l", 31 + FP_REG_BASE
},
779 {"%fr31r", 31 + FP_REG_BASE
+ FP_REG_RSEL
},
780 {"%fr3l", 3 + FP_REG_BASE
},
781 {"%fr3r", 3 + FP_REG_BASE
+ FP_REG_RSEL
},
782 {"%fr4", 4 + FP_REG_BASE
},
783 {"%fr4l", 4 + FP_REG_BASE
},
784 {"%fr4r", 4 + FP_REG_BASE
+ FP_REG_RSEL
},
785 {"%fr5", 5 + FP_REG_BASE
},
786 {"%fr5l", 5 + FP_REG_BASE
},
787 {"%fr5r", 5 + FP_REG_BASE
+ FP_REG_RSEL
},
788 {"%fr6", 6 + FP_REG_BASE
},
789 {"%fr6l", 6 + FP_REG_BASE
},
790 {"%fr6r", 6 + FP_REG_BASE
+ FP_REG_RSEL
},
791 {"%fr7", 7 + FP_REG_BASE
},
792 {"%fr7l", 7 + FP_REG_BASE
},
793 {"%fr7r", 7 + FP_REG_BASE
+ FP_REG_RSEL
},
794 {"%fr8", 8 + FP_REG_BASE
},
795 {"%fr8l", 8 + FP_REG_BASE
},
796 {"%fr8r", 8 + FP_REG_BASE
+ FP_REG_RSEL
},
797 {"%fr9", 9 + FP_REG_BASE
},
798 {"%fr9l", 9 + FP_REG_BASE
},
799 {"%fr9r", 9 + FP_REG_BASE
+ FP_REG_RSEL
},
808 #if TARGET_ARCH_SIZE == 64
884 /* This table is sorted by order of the length of the string. This is
885 so we check for <> before we check for <. If we had a <> and checked
886 for < first, we would get a false match. */
887 static const struct fp_cond_map fp_cond_map
[] =
923 static const struct selector_entry selector_table
[] =
948 /* default space and subspace dictionaries */
950 #define GDB_SYMBOLS GDB_SYMBOLS_SUBSPACE_NAME
951 #define GDB_STRINGS GDB_STRINGS_SUBSPACE_NAME
953 /* pre-defined subsegments (subspaces) for the HPPA. */
954 #define SUBSEG_CODE 0
956 #define SUBSEG_MILLI 2
957 #define SUBSEG_DATA 0
959 #define SUBSEG_UNWIND 3
960 #define SUBSEG_GDB_STRINGS 0
961 #define SUBSEG_GDB_SYMBOLS 1
963 static struct default_subspace_dict pa_def_subspaces
[] =
965 {"$CODE$", 1, 1, 1, 0, 0, 0, 0, 24, 0x2c, 0, 8, 0, 0, SUBSEG_CODE
},
966 {"$DATA$", 1, 1, 0, 0, 0, 0, 0, 24, 0x1f, 1, 8, 1, 1, SUBSEG_DATA
},
967 {"$LIT$", 1, 1, 0, 0, 0, 0, 0, 16, 0x2c, 0, 8, 0, 0, SUBSEG_LIT
},
968 {"$MILLICODE$", 1, 1, 0, 0, 0, 0, 0, 8, 0x2c, 0, 8, 0, 0, SUBSEG_MILLI
},
969 {"$BSS$", 1, 1, 0, 0, 0, 0, 1, 80, 0x1f, 1, 8, 1, 1, SUBSEG_BSS
},
970 {NULL
, 0, 1, 0, 0, 0, 0, 0, 255, 0x1f, 0, 4, 0, 0, 0}
973 static struct default_space_dict pa_def_spaces
[] =
975 {"$TEXT$", 0, 1, 1, 0, 8, ASEC_NULL
},
976 {"$PRIVATE$", 1, 1, 1, 1, 16, ASEC_NULL
},
977 {NULL
, 0, 0, 0, 0, 0, ASEC_NULL
}
980 /* Misc local definitions used by the assembler. */
982 /* These macros are used to maintain spaces/subspaces. */
983 #define SPACE_DEFINED(space_chain) (space_chain)->sd_defined
984 #define SPACE_USER_DEFINED(space_chain) (space_chain)->sd_user_defined
985 #define SPACE_SPNUM(space_chain) (space_chain)->sd_spnum
986 #define SPACE_NAME(space_chain) (space_chain)->sd_name
988 #define SUBSPACE_DEFINED(ss_chain) (ss_chain)->ssd_defined
989 #define SUBSPACE_NAME(ss_chain) (ss_chain)->ssd_name
992 /* Return nonzero if the string pointed to by S potentially represents
993 a right or left half of a FP register */
994 #define IS_R_SELECT(S) (*(S) == 'R' || *(S) == 'r')
995 #define IS_L_SELECT(S) (*(S) == 'L' || *(S) == 'l')
997 /* Store immediate values of shift/deposit/extract functions. */
999 #define SAVE_IMMEDIATE(VALUE) \
1001 if (immediate_check) \
1005 else if (len == -1) \
1010 /* Insert FIELD into OPCODE starting at bit START. Continue pa_ip
1011 main loop after insertion. */
1013 #define INSERT_FIELD_AND_CONTINUE(OPCODE, FIELD, START) \
1015 ((OPCODE) |= (FIELD) << (START)); \
1019 /* Simple range checking for FIELD against HIGH and LOW bounds.
1020 IGNORE is used to suppress the error message. */
1022 #define CHECK_FIELD(FIELD, HIGH, LOW, IGNORE) \
1024 if ((FIELD) > (HIGH) || (FIELD) < (LOW)) \
1027 as_bad (_("Field out of range [%d..%d] (%d)."), (LOW), (HIGH), \
1033 /* Variant of CHECK_FIELD for use in md_apply_fix and other places where
1034 the current file and line number are not valid. */
1036 #define CHECK_FIELD_WHERE(FIELD, HIGH, LOW, FILENAME, LINE) \
1038 if ((FIELD) > (HIGH) || (FIELD) < (LOW)) \
1040 as_bad_where ((FILENAME), (LINE), \
1041 _("Field out of range [%d..%d] (%d)."), (LOW), (HIGH), \
1047 /* Simple alignment checking for FIELD against ALIGN (a power of two).
1048 IGNORE is used to suppress the error message. */
1050 #define CHECK_ALIGN(FIELD, ALIGN, IGNORE) \
1052 if ((FIELD) & ((ALIGN) - 1)) \
1055 as_bad (_("Field not properly aligned [%d] (%d)."), (ALIGN), \
1061 #define is_DP_relative(exp) \
1062 ((exp).X_op == O_subtract \
1063 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$global$") == 0)
1065 #define is_SB_relative(exp) \
1066 ((exp).X_op == O_subtract \
1067 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$segrel$") == 0)
1069 #define is_PC_relative(exp) \
1070 ((exp).X_op == O_subtract \
1071 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$PIC_pcrel$0") == 0)
1073 #define is_tls_gdidx(exp) \
1074 ((exp).X_op == O_subtract \
1075 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$tls_gdidx$") == 0)
1077 #define is_tls_ldidx(exp) \
1078 ((exp).X_op == O_subtract \
1079 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$tls_ldidx$") == 0)
1081 #define is_tls_dtpoff(exp) \
1082 ((exp).X_op == O_subtract \
1083 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$tls_dtpoff$") == 0)
1085 #define is_tls_ieoff(exp) \
1086 ((exp).X_op == O_subtract \
1087 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$tls_ieoff$") == 0)
1089 #define is_tls_leoff(exp) \
1090 ((exp).X_op == O_subtract \
1091 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$tls_leoff$") == 0)
1093 /* We need some complex handling for stabs (sym1 - sym2). Luckily, we'll
1094 always be able to reduce the expression to a constant, so we don't
1095 need real complex handling yet. */
1096 #define is_complex(exp) \
1097 ((exp).X_op != O_constant && (exp).X_op != O_symbol)
1099 /* Actual functions to implement the PA specific code for the assembler. */
1101 /* Called before writing the object file. Make sure entry/exit and
1102 proc/procend pairs match. */
1107 if (within_entry_exit
)
1108 as_fatal (_("Missing .exit\n"));
1110 if (within_procedure
)
1111 as_fatal (_("Missing .procend\n"));
1114 /* Returns a pointer to the label_symbol_struct for the current space.
1115 or NULL if no label_symbol_struct exists for the current space. */
1117 static label_symbol_struct
*
1120 label_symbol_struct
*label_chain
= label_symbols_rootp
;
1125 if (current_space
== label_chain
->lss_space
&& label_chain
->lss_label
)
1129 if (now_seg
== label_chain
->lss_segment
&& label_chain
->lss_label
)
1137 /* Defines a label for the current space. If one is already defined,
1138 this function will replace it with the new label. */
1141 pa_define_label (symbolS
*symbol
)
1143 label_symbol_struct
*label_chain
= label_symbols_rootp
;
1146 label_chain
= &last_label_symbol
;
1148 label_chain
->lss_label
= symbol
;
1150 label_chain
->lss_space
= current_space
;
1153 label_chain
->lss_segment
= now_seg
;
1157 label_chain
->lss_next
= NULL
;
1159 label_symbols_rootp
= label_chain
;
1162 dwarf2_emit_label (symbol
);
1166 /* Removes a label definition for the current space.
1167 If there is no label_symbol_struct entry, then no action is taken. */
1170 pa_undefine_label (void)
1172 label_symbols_rootp
= NULL
;
1175 /* An HPPA-specific version of fix_new. This is required because the HPPA
1176 code needs to keep track of some extra stuff. Each call to fix_new_hppa
1177 results in the creation of an instance of an hppa_fix_struct. An
1178 hppa_fix_struct stores the extra information along with a pointer to the
1179 original fixS. This is attached to the original fixup via the
1180 tc_fix_data field. */
1183 fix_new_hppa (fragS
*frag
,
1186 symbolS
*add_symbol
,
1190 bfd_reloc_code_real_type r_type
,
1191 enum hppa_reloc_field_selector_type_alt r_field
,
1193 unsigned int arg_reloc
,
1194 int unwind_bits ATTRIBUTE_UNUSED
)
1197 struct hppa_fix_struct
*hppa_fix
= obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
1200 new_fix
= fix_new_exp (frag
, where
, size
, exp
, pcrel
, r_type
);
1202 new_fix
= fix_new (frag
, where
, size
, add_symbol
, offset
, pcrel
, r_type
);
1203 new_fix
->tc_fix_data
= (void *) hppa_fix
;
1204 hppa_fix
->fx_r_type
= r_type
;
1205 hppa_fix
->fx_r_field
= r_field
;
1206 hppa_fix
->fx_r_format
= r_format
;
1207 hppa_fix
->fx_arg_reloc
= arg_reloc
;
1208 hppa_fix
->segment
= now_seg
;
1210 if (r_type
== R_ENTRY
|| r_type
== R_EXIT
)
1211 new_fix
->fx_offset
= unwind_bits
;
1214 /* foo-$global$ is used to access non-automatic storage. $global$
1215 is really just a marker and has served its purpose, so eliminate
1216 it now so as not to confuse write.c. Ditto for $PIC_pcrel$0. */
1217 if (new_fix
->fx_subsy
1218 && (strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$global$") == 0
1219 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$segrel$") == 0
1220 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$PIC_pcrel$0") == 0
1221 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$tls_gdidx$") == 0
1222 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$tls_ldidx$") == 0
1223 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$tls_dtpoff$") == 0
1224 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$tls_ieoff$") == 0
1225 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$tls_leoff$") == 0))
1226 new_fix
->fx_subsy
= NULL
;
1229 /* This fix_new is called by cons via TC_CONS_FIX_NEW.
1230 hppa_field_selector is set by the parse_cons_expression_hppa. */
1233 cons_fix_new_hppa (fragS
*frag
, int where
, int size
, expressionS
*exp
,
1234 int hppa_field_selector
)
1236 unsigned int rel_type
;
1238 /* Get a base relocation type. */
1239 if (is_DP_relative (*exp
))
1240 rel_type
= R_HPPA_GOTOFF
;
1241 else if (is_PC_relative (*exp
))
1242 rel_type
= R_HPPA_PCREL_CALL
;
1244 else if (is_SB_relative (*exp
))
1245 rel_type
= R_PARISC_SEGREL32
;
1246 else if (is_tls_gdidx (*exp
))
1247 rel_type
= R_PARISC_TLS_GD21L
;
1248 else if (is_tls_ldidx (*exp
))
1249 rel_type
= R_PARISC_TLS_LDM21L
;
1250 else if (is_tls_dtpoff (*exp
))
1251 rel_type
= R_PARISC_TLS_LDO21L
;
1252 else if (is_tls_ieoff (*exp
))
1253 rel_type
= R_PARISC_TLS_IE21L
;
1254 else if (is_tls_leoff (*exp
))
1255 rel_type
= R_PARISC_TLS_LE21L
;
1257 else if (is_complex (*exp
))
1258 rel_type
= R_HPPA_COMPLEX
;
1262 if (hppa_field_selector
!= e_psel
&& hppa_field_selector
!= e_fsel
)
1264 as_warn (_("Invalid field selector. Assuming F%%."));
1265 hppa_field_selector
= e_fsel
;
1268 fix_new_hppa (frag
, where
, size
,
1269 (symbolS
*) NULL
, (offsetT
) 0, exp
, 0, rel_type
,
1270 hppa_field_selector
, size
* 8, 0, 0);
1273 /* Mark (via expr_end) the end of an expression (I think). FIXME. */
1276 get_expression (char *str
)
1281 save_in
= input_line_pointer
;
1282 input_line_pointer
= str
;
1283 seg
= expression (&the_insn
.exp
);
1284 if (!(seg
== absolute_section
1285 || seg
== undefined_section
1286 || SEG_NORMAL (seg
)))
1288 as_warn (_("Bad segment in expression."));
1289 expr_end
= input_line_pointer
;
1290 input_line_pointer
= save_in
;
1293 expr_end
= input_line_pointer
;
1294 input_line_pointer
= save_in
;
1297 /* Parse a PA nullification completer (,n). Return nonzero if the
1298 completer was found; return zero if no completer was found. */
1301 pa_parse_nullif (char **s
)
1309 if (strncasecmp (*s
, "n", 1) == 0)
1313 as_bad (_("Invalid Nullification: (%c)"), **s
);
1323 md_atof (int type
, char *litP
, int *sizeP
)
1325 return ieee_md_atof (type
, litP
, sizeP
, TRUE
);
1328 /* Write out big-endian. */
1331 md_number_to_chars (char *buf
, valueT val
, int n
)
1333 number_to_chars_bigendian (buf
, val
, n
);
1336 /* Translate internal representation of relocation info to BFD target
1340 tc_gen_reloc (asection
*section
, fixS
*fixp
)
1343 struct hppa_fix_struct
*hppa_fixp
;
1344 static arelent
*no_relocs
= NULL
;
1351 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
1352 if (fixp
->fx_addsy
== 0)
1355 gas_assert (hppa_fixp
!= 0);
1356 gas_assert (section
!= 0);
1358 reloc
= xmalloc (sizeof (arelent
));
1360 reloc
->sym_ptr_ptr
= xmalloc (sizeof (asymbol
*));
1361 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
1363 /* Allow fixup_segment to recognize hand-written pc-relative relocations.
1364 When we went through cons_fix_new_hppa, we classified them as complex. */
1365 /* ??? It might be better to hide this +8 stuff in tc_cfi_emit_pcrel_expr,
1366 undefine DIFF_EXPR_OK, and let these sorts of complex expressions fail
1367 when R_HPPA_COMPLEX == R_PARISC_UNIMPLEMENTED. */
1368 if (fixp
->fx_r_type
== (bfd_reloc_code_real_type
) R_HPPA_COMPLEX
1371 fixp
->fx_r_type
= R_HPPA_PCREL_CALL
;
1372 fixp
->fx_offset
+= 8;
1375 codes
= hppa_gen_reloc_type (stdoutput
,
1377 hppa_fixp
->fx_r_format
,
1378 hppa_fixp
->fx_r_field
,
1379 fixp
->fx_subsy
!= NULL
,
1380 symbol_get_bfdsym (fixp
->fx_addsy
));
1384 as_bad_where (fixp
->fx_file
, fixp
->fx_line
, _("Cannot handle fixup"));
1388 for (n_relocs
= 0; codes
[n_relocs
]; n_relocs
++)
1391 relocs
= xmalloc (sizeof (arelent
*) * n_relocs
+ 1);
1392 reloc
= xmalloc (sizeof (arelent
) * n_relocs
);
1393 for (i
= 0; i
< n_relocs
; i
++)
1394 relocs
[i
] = &reloc
[i
];
1396 relocs
[n_relocs
] = NULL
;
1399 switch (fixp
->fx_r_type
)
1402 gas_assert (n_relocs
== 1);
1406 /* Now, do any processing that is dependent on the relocation type. */
1409 case R_PARISC_DLTREL21L
:
1410 case R_PARISC_DLTREL14R
:
1411 case R_PARISC_DLTREL14F
:
1412 case R_PARISC_PLABEL32
:
1413 case R_PARISC_PLABEL21L
:
1414 case R_PARISC_PLABEL14R
:
1415 /* For plabel relocations, the addend of the
1416 relocation should be either 0 (no static link) or 2
1417 (static link required). This adjustment is done in
1418 bfd/elf32-hppa.c:elf32_hppa_relocate_section.
1420 We also slam a zero addend into the DLT relative relocs;
1421 it doesn't make a lot of sense to use any addend since
1422 it gets you a different (eg unknown) DLT entry. */
1426 #ifdef ELF_ARG_RELOC
1427 case R_PARISC_PCREL17R
:
1428 case R_PARISC_PCREL17F
:
1429 case R_PARISC_PCREL17C
:
1430 case R_PARISC_DIR17R
:
1431 case R_PARISC_DIR17F
:
1432 case R_PARISC_PCREL21L
:
1433 case R_PARISC_DIR21L
:
1434 reloc
->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
,
1439 case R_PARISC_DIR32
:
1440 /* Facilitate hand-crafted unwind info. */
1441 if (strcmp (section
->name
, UNWIND_SECTION_NAME
) == 0)
1442 code
= R_PARISC_SEGREL32
;
1446 reloc
->addend
= fixp
->fx_offset
;
1450 reloc
->sym_ptr_ptr
= xmalloc (sizeof (asymbol
*));
1451 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
1452 reloc
->howto
= bfd_reloc_type_lookup (stdoutput
,
1453 (bfd_reloc_code_real_type
) code
);
1454 reloc
->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
1456 gas_assert (reloc
->howto
&& (unsigned int) code
== reloc
->howto
->type
);
1461 /* Walk over reach relocation returned by the BFD backend. */
1462 for (i
= 0; i
< n_relocs
; i
++)
1466 relocs
[i
]->sym_ptr_ptr
= xmalloc (sizeof (asymbol
*));
1467 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
1469 bfd_reloc_type_lookup (stdoutput
,
1470 (bfd_reloc_code_real_type
) code
);
1471 relocs
[i
]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
1476 /* The only time we ever use a R_COMP2 fixup is for the difference
1477 of two symbols. With that in mind we fill in all four
1478 relocs now and break out of the loop. */
1479 gas_assert (i
== 1);
1480 relocs
[0]->sym_ptr_ptr
1481 = (asymbol
**) bfd_abs_section_ptr
->symbol_ptr_ptr
;
1483 = bfd_reloc_type_lookup (stdoutput
,
1484 (bfd_reloc_code_real_type
) *codes
[0]);
1485 relocs
[0]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
1486 relocs
[0]->addend
= 0;
1487 relocs
[1]->sym_ptr_ptr
= xmalloc (sizeof (asymbol
*));
1488 *relocs
[1]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
1490 = bfd_reloc_type_lookup (stdoutput
,
1491 (bfd_reloc_code_real_type
) *codes
[1]);
1492 relocs
[1]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
1493 relocs
[1]->addend
= 0;
1494 relocs
[2]->sym_ptr_ptr
= xmalloc (sizeof (asymbol
*));
1495 *relocs
[2]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_subsy
);
1497 = bfd_reloc_type_lookup (stdoutput
,
1498 (bfd_reloc_code_real_type
) *codes
[2]);
1499 relocs
[2]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
1500 relocs
[2]->addend
= 0;
1501 relocs
[3]->sym_ptr_ptr
1502 = (asymbol
**) bfd_abs_section_ptr
->symbol_ptr_ptr
;
1504 = bfd_reloc_type_lookup (stdoutput
,
1505 (bfd_reloc_code_real_type
) *codes
[3]);
1506 relocs
[3]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
1507 relocs
[3]->addend
= 0;
1508 relocs
[4]->sym_ptr_ptr
1509 = (asymbol
**) bfd_abs_section_ptr
->symbol_ptr_ptr
;
1511 = bfd_reloc_type_lookup (stdoutput
,
1512 (bfd_reloc_code_real_type
) *codes
[4]);
1513 relocs
[4]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
1514 relocs
[4]->addend
= 0;
1518 relocs
[i
]->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
, 0);
1524 /* For plabel relocations, the addend of the
1525 relocation should be either 0 (no static link) or 2
1526 (static link required).
1528 FIXME: We always assume no static link!
1530 We also slam a zero addend into the DLT relative relocs;
1531 it doesn't make a lot of sense to use any addend since
1532 it gets you a different (eg unknown) DLT entry. */
1533 relocs
[i
]->addend
= 0;
1548 /* There is no symbol or addend associated with these fixups. */
1549 relocs
[i
]->sym_ptr_ptr
= xmalloc (sizeof (asymbol
*));
1550 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
1551 relocs
[i
]->addend
= 0;
1557 /* There is no symbol associated with these fixups. */
1558 relocs
[i
]->sym_ptr_ptr
= xmalloc (sizeof (asymbol
*));
1559 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
1560 relocs
[i
]->addend
= fixp
->fx_offset
;
1564 relocs
[i
]->addend
= fixp
->fx_offset
;
1574 /* Process any machine dependent frag types. */
1577 md_convert_frag (bfd
*abfd ATTRIBUTE_UNUSED
,
1578 asection
*sec ATTRIBUTE_UNUSED
,
1581 unsigned int address
;
1583 if (fragP
->fr_type
== rs_machine_dependent
)
1585 switch ((int) fragP
->fr_subtype
)
1588 fragP
->fr_type
= rs_fill
;
1589 know (fragP
->fr_var
== 1);
1590 know (fragP
->fr_next
);
1591 address
= fragP
->fr_address
+ fragP
->fr_fix
;
1592 if (address
% fragP
->fr_offset
)
1595 fragP
->fr_next
->fr_address
1600 fragP
->fr_offset
= 0;
1606 /* Round up a section size to the appropriate boundary. */
1609 md_section_align (asection
*segment
, valueT size
)
1611 int align
= bfd_get_section_alignment (stdoutput
, segment
);
1612 int align2
= (1 << align
) - 1;
1614 return (size
+ align2
) & ~align2
;
1617 /* Return the approximate size of a frag before relaxation has occurred. */
1620 md_estimate_size_before_relax (fragS
*fragP
, asection
*segment ATTRIBUTE_UNUSED
)
1626 while ((fragP
->fr_fix
+ size
) % fragP
->fr_offset
)
1633 # ifdef WARN_COMMENTS
1634 const char *md_shortopts
= "Vc";
1636 const char *md_shortopts
= "V";
1639 # ifdef WARN_COMMENTS
1640 const char *md_shortopts
= "c";
1642 const char *md_shortopts
= "";
1646 struct option md_longopts
[] =
1648 #ifdef WARN_COMMENTS
1649 {"warn-comment", no_argument
, NULL
, 'c'},
1651 {NULL
, no_argument
, NULL
, 0}
1653 size_t md_longopts_size
= sizeof (md_longopts
);
1656 md_parse_option (int c
, char *arg ATTRIBUTE_UNUSED
)
1665 print_version_id ();
1668 #ifdef WARN_COMMENTS
1679 md_show_usage (FILE *stream ATTRIBUTE_UNUSED
)
1682 fprintf (stream
, _("\
1685 #ifdef WARN_COMMENTS
1686 fprintf (stream
, _("\
1687 -c print a warning if a comment is found\n"));
1691 /* We have no need to default values of symbols. */
1694 md_undefined_symbol (char *name ATTRIBUTE_UNUSED
)
1699 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
1700 #define nonzero_dibits(x) \
1701 ((x) | (((x) & 0x55555555) << 1) | (((x) & 0xAAAAAAAA) >> 1))
1702 #define arg_reloc_stub_needed(CALLER, CALLEE) \
1703 (((CALLER) ^ (CALLEE)) & nonzero_dibits (CALLER) & nonzero_dibits (CALLEE))
1705 #define arg_reloc_stub_needed(CALLER, CALLEE) 0
1708 /* Apply a fixup to an instruction. */
1711 md_apply_fix (fixS
*fixP
, valueT
*valP
, segT seg ATTRIBUTE_UNUSED
)
1714 struct hppa_fix_struct
*hppa_fixP
;
1718 /* SOM uses R_HPPA_ENTRY and R_HPPA_EXIT relocations which can
1719 never be "applied" (they are just markers). Likewise for
1720 R_HPPA_BEGIN_BRTAB and R_HPPA_END_BRTAB. */
1722 if (fixP
->fx_r_type
== R_HPPA_ENTRY
1723 || fixP
->fx_r_type
== R_HPPA_EXIT
1724 || fixP
->fx_r_type
== R_HPPA_BEGIN_BRTAB
1725 || fixP
->fx_r_type
== R_HPPA_END_BRTAB
1726 || fixP
->fx_r_type
== R_HPPA_BEGIN_TRY
)
1729 /* Disgusting. We must set fx_offset ourselves -- R_HPPA_END_TRY
1730 fixups are considered not adjustable, which in turn causes
1731 adjust_reloc_syms to not set fx_offset. Ugh. */
1732 if (fixP
->fx_r_type
== R_HPPA_END_TRY
)
1734 fixP
->fx_offset
= * valP
;
1739 if (fixP
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
1740 || fixP
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
)
1744 if (fixP
->fx_addsy
== NULL
&& fixP
->fx_pcrel
== 0)
1747 /* There should be a HPPA specific fixup associated with the GAS fixup. */
1748 hppa_fixP
= (struct hppa_fix_struct
*) fixP
->tc_fix_data
;
1749 if (hppa_fixP
== NULL
)
1751 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
1752 _("no hppa_fixup entry for fixup type 0x%x"),
1757 fixpos
= fixP
->fx_frag
->fr_literal
+ fixP
->fx_where
;
1759 if (fixP
->fx_size
!= 4 || hppa_fixP
->fx_r_format
== 32)
1761 /* Handle constant output. */
1762 number_to_chars_bigendian (fixpos
, *valP
, fixP
->fx_size
);
1766 insn
= bfd_get_32 (stdoutput
, fixpos
);
1767 fmt
= bfd_hppa_insn2fmt (stdoutput
, insn
);
1769 /* If there is a symbol associated with this fixup, then it's something
1770 which will need a SOM relocation (except for some PC-relative relocs).
1771 In such cases we should treat the "val" or "addend" as zero since it
1772 will be added in as needed from fx_offset in tc_gen_reloc. */
1773 if ((fixP
->fx_addsy
!= NULL
1774 || fixP
->fx_r_type
== (int) R_HPPA_NONE
)
1779 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
1781 /* These field selectors imply that we do not want an addend. */
1782 else if (hppa_fixP
->fx_r_field
== e_psel
1783 || hppa_fixP
->fx_r_field
== e_rpsel
1784 || hppa_fixP
->fx_r_field
== e_lpsel
1785 || hppa_fixP
->fx_r_field
== e_tsel
1786 || hppa_fixP
->fx_r_field
== e_rtsel
1787 || hppa_fixP
->fx_r_field
== e_ltsel
)
1788 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
1791 new_val
= hppa_field_adjust (* valP
, 0, hppa_fixP
->fx_r_field
);
1793 /* Handle pc-relative exceptions from above. */
1794 if ((fmt
== 12 || fmt
== 17 || fmt
== 22)
1797 && !arg_reloc_stub_needed (symbol_arg_reloc_info (fixP
->fx_addsy
),
1798 hppa_fixP
->fx_arg_reloc
)
1800 && (* valP
- 8 + 8192 < 16384
1801 || (fmt
== 17 && * valP
- 8 + 262144 < 524288)
1802 || (fmt
== 22 && * valP
- 8 + 8388608 < 16777216))
1805 && (* valP
- 8 + 262144 < 524288
1806 || (fmt
== 22 && * valP
- 8 + 8388608 < 16777216))
1808 && !S_IS_EXTERNAL (fixP
->fx_addsy
)
1809 && !S_IS_WEAK (fixP
->fx_addsy
)
1810 && S_GET_SEGMENT (fixP
->fx_addsy
) == hppa_fixP
->segment
1812 && S_GET_SEGMENT (fixP
->fx_subsy
) != hppa_fixP
->segment
))
1814 new_val
= hppa_field_adjust (* valP
, 0, hppa_fixP
->fx_r_field
);
1820 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
1821 fixP
->fx_file
, fixP
->fx_line
);
1824 insn
= (insn
& ~ 0x3ff1) | (((val
& 0x1ff8) << 1)
1825 | ((val
& 0x2000) >> 13));
1828 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
1829 fixP
->fx_file
, fixP
->fx_line
);
1832 insn
= (insn
& ~ 0x3ff9) | (((val
& 0x1ffc) << 1)
1833 | ((val
& 0x2000) >> 13));
1835 /* Handle all opcodes with the 'j' operand type. */
1837 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
1838 fixP
->fx_file
, fixP
->fx_line
);
1841 insn
= ((insn
& ~ 0x3fff) | low_sign_unext (val
, 14));
1844 /* Handle all opcodes with the 'k' operand type. */
1846 CHECK_FIELD_WHERE (new_val
, 1048575, -1048576,
1847 fixP
->fx_file
, fixP
->fx_line
);
1850 insn
= (insn
& ~ 0x1fffff) | re_assemble_21 (val
);
1853 /* Handle all the opcodes with the 'i' operand type. */
1855 CHECK_FIELD_WHERE (new_val
, 1023, -1024,
1856 fixP
->fx_file
, fixP
->fx_line
);
1859 insn
= (insn
& ~ 0x7ff) | low_sign_unext (val
, 11);
1862 /* Handle all the opcodes with the 'w' operand type. */
1864 CHECK_FIELD_WHERE (new_val
- 8, 8191, -8192,
1865 fixP
->fx_file
, fixP
->fx_line
);
1868 insn
= (insn
& ~ 0x1ffd) | re_assemble_12 (val
>> 2);
1871 /* Handle some of the opcodes with the 'W' operand type. */
1874 offsetT distance
= * valP
;
1876 /* If this is an absolute branch (ie no link) with an out of
1877 range target, then we want to complain. */
1878 if (fixP
->fx_r_type
== (int) R_HPPA_PCREL_CALL
1879 && (insn
& 0xffe00000) == 0xe8000000)
1880 CHECK_FIELD_WHERE (distance
- 8, 262143, -262144,
1881 fixP
->fx_file
, fixP
->fx_line
);
1883 CHECK_FIELD_WHERE (new_val
- 8, 262143, -262144,
1884 fixP
->fx_file
, fixP
->fx_line
);
1887 insn
= (insn
& ~ 0x1f1ffd) | re_assemble_17 (val
>> 2);
1893 offsetT distance
= * valP
;
1895 /* If this is an absolute branch (ie no link) with an out of
1896 range target, then we want to complain. */
1897 if (fixP
->fx_r_type
== (int) R_HPPA_PCREL_CALL
1898 && (insn
& 0xffe00000) == 0xe8000000)
1899 CHECK_FIELD_WHERE (distance
- 8, 8388607, -8388608,
1900 fixP
->fx_file
, fixP
->fx_line
);
1902 CHECK_FIELD_WHERE (new_val
- 8, 8388607, -8388608,
1903 fixP
->fx_file
, fixP
->fx_line
);
1906 insn
= (insn
& ~ 0x3ff1ffd) | re_assemble_22 (val
>> 2);
1912 insn
= (insn
& ~ 0xfff1) | re_assemble_16 (val
& -8);
1917 insn
= (insn
& ~ 0xfff9) | re_assemble_16 (val
& -4);
1922 insn
= (insn
& ~ 0xffff) | re_assemble_16 (val
);
1930 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
1931 _("Unknown relocation encountered in md_apply_fix."));
1936 switch (fixP
->fx_r_type
)
1938 case R_PARISC_TLS_GD21L
:
1939 case R_PARISC_TLS_GD14R
:
1940 case R_PARISC_TLS_LDM21L
:
1941 case R_PARISC_TLS_LDM14R
:
1942 case R_PARISC_TLS_LE21L
:
1943 case R_PARISC_TLS_LE14R
:
1944 case R_PARISC_TLS_IE21L
:
1945 case R_PARISC_TLS_IE14R
:
1947 S_SET_THREAD_LOCAL (fixP
->fx_addsy
);
1954 /* Insert the relocation. */
1955 bfd_put_32 (stdoutput
, insn
, fixpos
);
1958 /* Exactly what point is a PC-relative offset relative TO?
1959 On the PA, they're relative to the address of the offset. */
1962 md_pcrel_from (fixS
*fixP
)
1964 return fixP
->fx_where
+ fixP
->fx_frag
->fr_address
;
1967 /* Return nonzero if the input line pointer is at the end of
1971 is_end_of_statement (void)
1973 return ((*input_line_pointer
== '\n')
1974 || (*input_line_pointer
== ';')
1975 || (*input_line_pointer
== '!'));
1978 #define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct pd_reg))
1980 /* Given NAME, find the register number associated with that name, return
1981 the integer value associated with the given name or -1 on failure. */
1984 reg_name_search (char *name
)
1986 int middle
, low
, high
;
1990 high
= REG_NAME_CNT
- 1;
1994 middle
= (low
+ high
) / 2;
1995 cmp
= strcasecmp (name
, pre_defined_registers
[middle
].name
);
2001 return pre_defined_registers
[middle
].value
;
2003 while (low
<= high
);
2008 /* Read a number from S. The number might come in one of many forms,
2009 the most common will be a hex or decimal constant, but it could be
2010 a pre-defined register (Yuk!), or an absolute symbol.
2012 Return 1 on success or 0 on failure. If STRICT, then a missing
2013 register prefix will cause a failure. The number itself is
2014 returned in `pa_number'.
2016 IS_FLOAT indicates that a PA-89 FP register number should be
2017 parsed; A `l' or `r' suffix is checked for if but 2 of IS_FLOAT is
2020 pa_parse_number can not handle negative constants and will fail
2021 horribly if it is passed such a constant. */
2024 pa_parse_number (char **s
, int is_float
)
2032 bfd_boolean have_prefix
;
2034 /* Skip whitespace before the number. */
2035 while (*p
== ' ' || *p
== '\t')
2041 if (!strict
&& ISDIGIT (*p
))
2043 /* Looks like a number. */
2045 if (*p
== '0' && (*(p
+ 1) == 'x' || *(p
+ 1) == 'X'))
2047 /* The number is specified in hex. */
2049 while (ISDIGIT (*p
) || ((*p
>= 'a') && (*p
<= 'f'))
2050 || ((*p
>= 'A') && (*p
<= 'F')))
2053 num
= num
* 16 + *p
- '0';
2054 else if (*p
>= 'a' && *p
<= 'f')
2055 num
= num
* 16 + *p
- 'a' + 10;
2057 num
= num
* 16 + *p
- 'A' + 10;
2063 /* The number is specified in decimal. */
2064 while (ISDIGIT (*p
))
2066 num
= num
* 10 + *p
- '0';
2073 /* Check for a `l' or `r' suffix. */
2076 pa_number
+= FP_REG_BASE
;
2077 if (! (is_float
& 2))
2079 if (IS_R_SELECT (p
))
2081 pa_number
+= FP_REG_RSEL
;
2084 else if (IS_L_SELECT (p
))
2093 /* The number might be a predefined register. */
2098 /* Tege hack: Special case for general registers as the general
2099 code makes a binary search with case translation, and is VERY
2104 if (*p
== 'e' && *(p
+ 1) == 't'
2105 && (*(p
+ 2) == '0' || *(p
+ 2) == '1'))
2108 num
= *p
- '0' + 28;
2116 else if (!ISDIGIT (*p
))
2119 as_bad (_("Undefined register: '%s'."), name
);
2125 num
= num
* 10 + *p
++ - '0';
2126 while (ISDIGIT (*p
));
2131 /* Do a normal register search. */
2132 while (is_part_of_name (c
))
2138 status
= reg_name_search (name
);
2144 as_bad (_("Undefined register: '%s'."), name
);
2154 /* And finally, it could be a symbol in the absolute section which
2155 is effectively a constant, or a register alias symbol. */
2158 while (is_part_of_name (c
))
2164 if ((sym
= symbol_find (name
)) != NULL
)
2166 if (S_GET_SEGMENT (sym
) == reg_section
)
2168 num
= S_GET_VALUE (sym
);
2169 /* Well, we don't really have one, but we do have a
2173 else if (S_GET_SEGMENT (sym
) == bfd_abs_section_ptr
)
2174 num
= S_GET_VALUE (sym
);
2178 as_bad (_("Non-absolute symbol: '%s'."), name
);
2184 /* There is where we'd come for an undefined symbol
2185 or for an empty string. For an empty string we
2186 will return zero. That's a concession made for
2187 compatibility with the braindamaged HP assemblers. */
2193 as_bad (_("Undefined absolute constant: '%s'."), name
);
2202 if (!strict
|| have_prefix
)
2210 /* Return nonzero if the given INSN and L/R information will require
2211 a new PA-1.1 opcode. */
2214 need_pa11_opcode (void)
2216 if ((pa_number
& FP_REG_RSEL
) != 0
2217 && !(the_insn
.fpof1
== DBL
&& the_insn
.fpof2
== DBL
))
2219 /* If this instruction is specific to a particular architecture,
2220 then set a new architecture. */
2221 if (bfd_get_mach (stdoutput
) < pa11
)
2223 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, pa11
))
2224 as_warn (_("could not update architecture and machine"));
2232 /* Parse a condition for a fcmp instruction. Return the numerical
2233 code associated with the condition. */
2236 pa_parse_fp_cmp_cond (char **s
)
2242 for (i
= 0; i
< 32; i
++)
2244 if (strncasecmp (*s
, fp_cond_map
[i
].string
,
2245 strlen (fp_cond_map
[i
].string
)) == 0)
2247 cond
= fp_cond_map
[i
].cond
;
2248 *s
+= strlen (fp_cond_map
[i
].string
);
2249 /* If not a complete match, back up the input string and
2251 if (**s
!= ' ' && **s
!= '\t')
2253 *s
-= strlen (fp_cond_map
[i
].string
);
2256 while (**s
== ' ' || **s
== '\t')
2262 as_bad (_("Invalid FP Compare Condition: %s"), *s
);
2264 /* Advance over the bogus completer. */
2265 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2271 /* Parse a graphics test complete for ftest. */
2274 pa_parse_ftest_gfx_completer (char **s
)
2279 if (strncasecmp (*s
, "acc8", 4) == 0)
2284 else if (strncasecmp (*s
, "acc6", 4) == 0)
2289 else if (strncasecmp (*s
, "acc4", 4) == 0)
2294 else if (strncasecmp (*s
, "acc2", 4) == 0)
2299 else if (strncasecmp (*s
, "acc", 3) == 0)
2304 else if (strncasecmp (*s
, "rej8", 4) == 0)
2309 else if (strncasecmp (*s
, "rej", 3) == 0)
2317 as_bad (_("Invalid FTEST completer: %s"), *s
);
2323 /* Parse an FP operand format completer returning the completer
2326 static fp_operand_format
2327 pa_parse_fp_cnv_format (char **s
)
2335 if (strncasecmp (*s
, "sgl", 3) == 0)
2340 else if (strncasecmp (*s
, "dbl", 3) == 0)
2345 else if (strncasecmp (*s
, "quad", 4) == 0)
2350 else if (strncasecmp (*s
, "w", 1) == 0)
2355 else if (strncasecmp (*s
, "uw", 2) == 0)
2360 else if (strncasecmp (*s
, "dw", 2) == 0)
2365 else if (strncasecmp (*s
, "udw", 3) == 0)
2370 else if (strncasecmp (*s
, "qw", 2) == 0)
2375 else if (strncasecmp (*s
, "uqw", 3) == 0)
2382 format
= ILLEGAL_FMT
;
2383 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
2390 /* Parse an FP operand format completer returning the completer
2393 static fp_operand_format
2394 pa_parse_fp_format (char **s
)
2402 if (strncasecmp (*s
, "sgl", 3) == 0)
2407 else if (strncasecmp (*s
, "dbl", 3) == 0)
2412 else if (strncasecmp (*s
, "quad", 4) == 0)
2419 format
= ILLEGAL_FMT
;
2420 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
2427 /* Convert from a selector string into a selector type. */
2430 pa_chk_field_selector (char **str
)
2432 int middle
, low
, high
;
2436 /* Read past any whitespace. */
2437 /* FIXME: should we read past newlines and formfeeds??? */
2438 while (**str
== ' ' || **str
== '\t' || **str
== '\n' || **str
== '\f')
2441 if ((*str
)[1] == '\'' || (*str
)[1] == '%')
2442 name
[0] = TOLOWER ((*str
)[0]),
2444 else if ((*str
)[2] == '\'' || (*str
)[2] == '%')
2445 name
[0] = TOLOWER ((*str
)[0]),
2446 name
[1] = TOLOWER ((*str
)[1]),
2448 else if ((*str
)[3] == '\'' || (*str
)[3] == '%')
2449 name
[0] = TOLOWER ((*str
)[0]),
2450 name
[1] = TOLOWER ((*str
)[1]),
2451 name
[2] = TOLOWER ((*str
)[2]),
2457 high
= sizeof (selector_table
) / sizeof (struct selector_entry
) - 1;
2461 middle
= (low
+ high
) / 2;
2462 cmp
= strcmp (name
, selector_table
[middle
].prefix
);
2469 *str
+= strlen (name
) + 1;
2471 if (selector_table
[middle
].field_selector
== e_nsel
)
2474 return selector_table
[middle
].field_selector
;
2477 while (low
<= high
);
2482 /* Parse a .byte, .word, .long expression for the HPPA. Called by
2483 cons via the TC_PARSE_CONS_EXPRESSION macro. */
2486 parse_cons_expression_hppa (expressionS
*exp
)
2488 int hppa_field_selector
= pa_chk_field_selector (&input_line_pointer
);
2490 return hppa_field_selector
;
2493 /* Evaluate an absolute expression EXP which may be modified by
2494 the selector FIELD_SELECTOR. Return the value of the expression. */
2496 evaluate_absolute (struct pa_it
*insn
)
2500 int field_selector
= insn
->field_selector
;
2503 value
= exp
.X_add_number
;
2505 return hppa_field_adjust (0, value
, field_selector
);
2508 /* Mark (via expr_end) the end of an absolute expression. FIXME. */
2511 pa_get_absolute_expression (struct pa_it
*insn
, char **strp
)
2515 insn
->field_selector
= pa_chk_field_selector (strp
);
2516 save_in
= input_line_pointer
;
2517 input_line_pointer
= *strp
;
2518 expression (&insn
->exp
);
2519 expr_end
= input_line_pointer
;
2520 input_line_pointer
= save_in
;
2521 if (insn
->exp
.X_op
!= O_constant
)
2523 /* We have a non-match in strict mode. */
2525 as_bad (_("Bad segment (should be absolute)."));
2528 return evaluate_absolute (insn
);
2531 /* Get an absolute number. The input string is terminated at the
2532 first whitespace character. */
2535 pa_get_number (struct pa_it
*insn
, char **strp
)
2541 save_in
= input_line_pointer
;
2542 input_line_pointer
= *strp
;
2544 /* The PA assembly syntax is ambiguous in a variety of ways. Consider
2545 this string "4 %r5" Is that the number 4 followed by the register
2546 r5, or is that 4 MOD r5? This situation occurs for example in the
2547 coprocessor load and store instructions. Previously, calling
2548 pa_get_absolute_expression directly results in r5 being entered
2549 in the symbol table.
2551 So, when looking for an absolute number, we cut off the input string
2552 at the first whitespace character. Thus, expressions should generally
2553 contain no whitespace. */
2556 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2562 result
= pa_get_absolute_expression (insn
, strp
);
2564 input_line_pointer
= save_in
;
2569 /* Given an argument location specification return the associated
2570 argument location number. */
2573 pa_build_arg_reloc (char *type_name
)
2576 if (strncasecmp (type_name
, "no", 2) == 0)
2578 if (strncasecmp (type_name
, "gr", 2) == 0)
2580 else if (strncasecmp (type_name
, "fr", 2) == 0)
2582 else if (strncasecmp (type_name
, "fu", 2) == 0)
2585 as_bad (_("Invalid argument location: %s\n"), type_name
);
2590 /* Encode and return an argument relocation specification for
2591 the given register in the location specified by arg_reloc. */
2594 pa_align_arg_reloc (unsigned int reg
, unsigned int arg_reloc
)
2596 unsigned int new_reloc
;
2598 new_reloc
= arg_reloc
;
2614 as_bad (_("Invalid argument description: %d"), reg
);
2620 /* Parse a non-negated compare/subtract completer returning the
2621 number (for encoding in instructions) of the given completer. */
2624 pa_parse_nonneg_cmpsub_cmpltr (char **s
)
2627 char *name
= *s
+ 1;
2636 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2641 if (strcmp (name
, "=") == 0)
2645 else if (strcmp (name
, "<") == 0)
2649 else if (strcmp (name
, "<=") == 0)
2653 else if (strcmp (name
, "<<") == 0)
2657 else if (strcmp (name
, "<<=") == 0)
2661 else if (strcasecmp (name
, "sv") == 0)
2665 else if (strcasecmp (name
, "od") == 0)
2669 /* If we have something like addb,n then there is no condition
2671 else if (strcasecmp (name
, "n") == 0)
2683 /* Reset pointers if this was really a ,n for a branch instruction. */
2690 /* Parse a negated compare/subtract completer returning the
2691 number (for encoding in instructions) of the given completer. */
2694 pa_parse_neg_cmpsub_cmpltr (char **s
)
2697 char *name
= *s
+ 1;
2706 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2711 if (strcasecmp (name
, "tr") == 0)
2715 else if (strcmp (name
, "<>") == 0)
2719 else if (strcmp (name
, ">=") == 0)
2723 else if (strcmp (name
, ">") == 0)
2727 else if (strcmp (name
, ">>=") == 0)
2731 else if (strcmp (name
, ">>") == 0)
2735 else if (strcasecmp (name
, "nsv") == 0)
2739 else if (strcasecmp (name
, "ev") == 0)
2743 /* If we have something like addb,n then there is no condition
2745 else if (strcasecmp (name
, "n") == 0)
2757 /* Reset pointers if this was really a ,n for a branch instruction. */
2764 /* Parse a 64 bit compare and branch completer returning the number (for
2765 encoding in instructions) of the given completer.
2767 Nonnegated comparisons are returned as 0-7, negated comparisons are
2768 returned as 8-15. */
2771 pa_parse_cmpb_64_cmpltr (char **s
)
2774 char *name
= *s
+ 1;
2781 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2786 if (strcmp (name
, "*") == 0)
2790 else if (strcmp (name
, "*=") == 0)
2794 else if (strcmp (name
, "*<") == 0)
2798 else if (strcmp (name
, "*<=") == 0)
2802 else if (strcmp (name
, "*<<") == 0)
2806 else if (strcmp (name
, "*<<=") == 0)
2810 else if (strcasecmp (name
, "*sv") == 0)
2814 else if (strcasecmp (name
, "*od") == 0)
2818 else if (strcasecmp (name
, "*tr") == 0)
2822 else if (strcmp (name
, "*<>") == 0)
2826 else if (strcmp (name
, "*>=") == 0)
2830 else if (strcmp (name
, "*>") == 0)
2834 else if (strcmp (name
, "*>>=") == 0)
2838 else if (strcmp (name
, "*>>") == 0)
2842 else if (strcasecmp (name
, "*nsv") == 0)
2846 else if (strcasecmp (name
, "*ev") == 0)
2860 /* Parse a 64 bit compare immediate and branch completer returning the number
2861 (for encoding in instructions) of the given completer. */
2864 pa_parse_cmpib_64_cmpltr (char **s
)
2867 char *name
= *s
+ 1;
2874 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2879 if (strcmp (name
, "*<<") == 0)
2883 else if (strcmp (name
, "*=") == 0)
2887 else if (strcmp (name
, "*<") == 0)
2891 else if (strcmp (name
, "*<=") == 0)
2895 else if (strcmp (name
, "*>>=") == 0)
2899 else if (strcmp (name
, "*<>") == 0)
2903 else if (strcasecmp (name
, "*>=") == 0)
2907 else if (strcasecmp (name
, "*>") == 0)
2921 /* Parse a non-negated addition completer returning the number
2922 (for encoding in instructions) of the given completer. */
2925 pa_parse_nonneg_add_cmpltr (char **s
)
2928 char *name
= *s
+ 1;
2937 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2941 if (strcmp (name
, "=") == 0)
2945 else if (strcmp (name
, "<") == 0)
2949 else if (strcmp (name
, "<=") == 0)
2953 else if (strcasecmp (name
, "nuv") == 0)
2957 else if (strcasecmp (name
, "znv") == 0)
2961 else if (strcasecmp (name
, "sv") == 0)
2965 else if (strcasecmp (name
, "od") == 0)
2969 /* If we have something like addb,n then there is no condition
2971 else if (strcasecmp (name
, "n") == 0)
2983 /* Reset pointers if this was really a ,n for a branch instruction. */
2990 /* Parse a negated addition completer returning the number
2991 (for encoding in instructions) of the given completer. */
2994 pa_parse_neg_add_cmpltr (char **s
)
2997 char *name
= *s
+ 1;
3006 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
3010 if (strcasecmp (name
, "tr") == 0)
3014 else if (strcmp (name
, "<>") == 0)
3018 else if (strcmp (name
, ">=") == 0)
3022 else if (strcmp (name
, ">") == 0)
3026 else if (strcasecmp (name
, "uv") == 0)
3030 else if (strcasecmp (name
, "vnz") == 0)
3034 else if (strcasecmp (name
, "nsv") == 0)
3038 else if (strcasecmp (name
, "ev") == 0)
3042 /* If we have something like addb,n then there is no condition
3044 else if (strcasecmp (name
, "n") == 0)
3056 /* Reset pointers if this was really a ,n for a branch instruction. */
3063 /* Parse a 64 bit wide mode add and branch completer returning the number (for
3064 encoding in instructions) of the given completer. */
3067 pa_parse_addb_64_cmpltr (char **s
)
3070 char *name
= *s
+ 1;
3079 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
3083 if (strcmp (name
, "=") == 0)
3087 else if (strcmp (name
, "<") == 0)
3091 else if (strcmp (name
, "<=") == 0)
3095 else if (strcasecmp (name
, "nuv") == 0)
3099 else if (strcasecmp (name
, "*=") == 0)
3103 else if (strcasecmp (name
, "*<") == 0)
3107 else if (strcasecmp (name
, "*<=") == 0)
3111 else if (strcmp (name
, "tr") == 0)
3115 else if (strcmp (name
, "<>") == 0)
3119 else if (strcmp (name
, ">=") == 0)
3123 else if (strcmp (name
, ">") == 0)
3127 else if (strcasecmp (name
, "uv") == 0)
3131 else if (strcasecmp (name
, "*<>") == 0)
3135 else if (strcasecmp (name
, "*>=") == 0)
3139 else if (strcasecmp (name
, "*>") == 0)
3143 /* If we have something like addb,n then there is no condition
3145 else if (strcasecmp (name
, "n") == 0)
3157 /* Reset pointers if this was really a ,n for a branch instruction. */
3164 /* Do the real work for assembling a single instruction. Store results
3165 into the global "the_insn" variable. */
3170 char *error_message
= "";
3171 char *s
, c
, *argstart
, *name
, *save_s
;
3175 int cmpltr
, nullif
, flag
, cond
, need_cond
, num
;
3176 int immediate_check
= 0, pos
= -1, len
= -1;
3177 unsigned long opcode
;
3178 struct pa_opcode
*insn
;
3181 /* We must have a valid space and subspace. */
3182 pa_check_current_space_and_subspace ();
3185 /* Convert everything up to the first whitespace character into lower
3187 for (s
= str
; *s
!= ' ' && *s
!= '\t' && *s
!= '\n' && *s
!= '\0'; s
++)
3190 /* Skip to something interesting. */
3192 ISUPPER (*s
) || ISLOWER (*s
) || (*s
>= '0' && *s
<= '3');
3212 as_bad (_("Unknown opcode: `%s'"), str
);
3216 /* Look up the opcode in the hash table. */
3217 if ((insn
= (struct pa_opcode
*) hash_find (op_hash
, str
)) == NULL
)
3219 as_bad (_("Unknown opcode: `%s'"), str
);
3226 /* Mark the location where arguments for the instruction start, then
3227 start processing them. */
3231 /* Do some initialization. */
3232 opcode
= insn
->match
;
3233 strict
= (insn
->flags
& FLAG_STRICT
);
3234 memset (&the_insn
, 0, sizeof (the_insn
));
3237 the_insn
.reloc
= R_HPPA_NONE
;
3239 if (insn
->arch
>= pa20
3240 && bfd_get_mach (stdoutput
) < insn
->arch
)
3243 /* Build the opcode, checking as we go to make
3244 sure that the operands match. */
3245 for (args
= insn
->args
;; ++args
)
3247 /* Absorb white space in instruction. */
3248 while (*s
== ' ' || *s
== '\t')
3253 /* End of arguments. */
3269 /* These must match exactly. */
3278 /* Handle a 5 bit register or control register field at 10. */
3281 if (!pa_parse_number (&s
, 0))
3284 CHECK_FIELD (num
, 31, 0, 0);
3285 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3287 /* Handle %sar or %cr11. No bits get set, we just verify that it
3290 /* Skip whitespace before register. */
3291 while (*s
== ' ' || *s
== '\t')
3294 if (!strncasecmp (s
, "%sar", 4))
3299 else if (!strncasecmp (s
, "%cr11", 5))
3306 /* Handle a 5 bit register field at 15. */
3308 if (!pa_parse_number (&s
, 0))
3311 CHECK_FIELD (num
, 31, 0, 0);
3312 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3314 /* Handle a 5 bit register field at 31. */
3316 if (!pa_parse_number (&s
, 0))
3319 CHECK_FIELD (num
, 31, 0, 0);
3320 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3322 /* Handle a 5 bit register field at 10 and 15. */
3324 if (!pa_parse_number (&s
, 0))
3327 CHECK_FIELD (num
, 31, 0, 0);
3328 opcode
|= num
<< 16;
3329 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3331 /* Handle a 5 bit field length at 31. */
3333 num
= pa_get_absolute_expression (&the_insn
, &s
);
3334 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3337 CHECK_FIELD (num
, 32, 1, 0);
3338 SAVE_IMMEDIATE(num
);
3339 INSERT_FIELD_AND_CONTINUE (opcode
, 32 - num
, 0);
3341 /* Handle a 5 bit immediate at 15. */
3343 num
= pa_get_absolute_expression (&the_insn
, &s
);
3344 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3347 /* When in strict mode, we want to just reject this
3348 match instead of giving an out of range error. */
3349 CHECK_FIELD (num
, 15, -16, strict
);
3350 num
= low_sign_unext (num
, 5);
3351 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3353 /* Handle a 5 bit immediate at 31. */
3355 num
= pa_get_absolute_expression (&the_insn
, &s
);
3356 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3359 /* When in strict mode, we want to just reject this
3360 match instead of giving an out of range error. */
3361 CHECK_FIELD (num
, 15, -16, strict
);
3362 num
= low_sign_unext (num
, 5);
3363 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3365 /* Handle an unsigned 5 bit immediate at 31. */
3367 num
= pa_get_absolute_expression (&the_insn
, &s
);
3368 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3371 CHECK_FIELD (num
, 31, 0, strict
);
3372 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3374 /* Handle an unsigned 5 bit immediate at 15. */
3376 num
= pa_get_absolute_expression (&the_insn
, &s
);
3377 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3380 CHECK_FIELD (num
, 31, 0, strict
);
3381 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3383 /* Handle an unsigned 10 bit immediate at 15. */
3385 num
= pa_get_absolute_expression (&the_insn
, &s
);
3386 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3389 CHECK_FIELD (num
, 1023, 0, strict
);
3390 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3392 /* Handle a 2 bit space identifier at 17. */
3394 if (!pa_parse_number (&s
, 0))
3397 CHECK_FIELD (num
, 3, 0, 1);
3398 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 14);
3400 /* Handle a 3 bit space identifier at 18. */
3402 if (!pa_parse_number (&s
, 0))
3405 CHECK_FIELD (num
, 7, 0, 1);
3406 opcode
|= re_assemble_3 (num
);
3409 /* Handle all completers. */
3414 /* Handle a completer for an indexing load or store. */
3421 while (*s
== ',' && i
< 2)
3424 if (strncasecmp (s
, "sm", 2) == 0)
3431 else if (strncasecmp (s
, "m", 1) == 0)
3433 else if ((strncasecmp (s
, "s ", 2) == 0)
3434 || (strncasecmp (s
, "s,", 2) == 0))
3438 /* This is a match failure. */
3443 as_bad (_("Invalid Indexed Load Completer."));
3448 as_bad (_("Invalid Indexed Load Completer Syntax."));
3450 INSERT_FIELD_AND_CONTINUE (opcode
, uu
, 13);
3453 /* Handle a short load/store completer. */
3465 if (strncasecmp (s
, "ma", 2) == 0)
3471 else if (strncasecmp (s
, "mb", 2) == 0)
3478 /* This is a match failure. */
3482 as_bad (_("Invalid Short Load/Store Completer."));
3486 /* If we did not get a ma/mb completer, then we do not
3487 consider this a positive match for 'ce'. */
3488 else if (*args
== 'e')
3491 /* 'J', 'm', 'M' and 'q' are the same, except for where they
3492 encode the before/after field. */
3493 if (*args
== 'm' || *args
== 'M')
3496 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
3498 else if (*args
== 'q')
3501 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
3503 else if (*args
== 'J')
3505 /* M bit is explicit in the major opcode. */
3506 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
3508 else if (*args
== 'e')
3510 /* Stash the ma/mb flag temporarily in the
3511 instruction. We will use (and remove it)
3512 later when handling 'J', 'K', '<' & '>'. */
3518 /* Handle a stbys completer. */
3525 while (*s
== ',' && i
< 2)
3528 if (strncasecmp (s
, "m", 1) == 0)
3530 else if ((strncasecmp (s
, "b ", 2) == 0)
3531 || (strncasecmp (s
, "b,", 2) == 0))
3533 else if (strncasecmp (s
, "e", 1) == 0)
3535 /* In strict mode, this is a match failure. */
3542 as_bad (_("Invalid Store Bytes Short Completer"));
3547 as_bad (_("Invalid Store Bytes Short Completer"));
3549 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
3552 /* Handle load cache hint completer. */
3555 if (!strncmp (s
, ",sl", 3))
3560 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
3562 /* Handle store cache hint completer. */
3565 if (!strncmp (s
, ",sl", 3))
3570 else if (!strncmp (s
, ",bc", 3))
3575 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
3577 /* Handle load and clear cache hint completer. */
3580 if (!strncmp (s
, ",co", 3))
3585 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
3587 /* Handle load ordering completer. */
3589 if (strncmp (s
, ",o", 2) != 0)
3594 /* Handle a branch gate completer. */
3596 if (strncasecmp (s
, ",gate", 5) != 0)
3601 /* Handle a branch link and push completer. */
3603 if (strncasecmp (s
, ",l,push", 7) != 0)
3608 /* Handle a branch link completer. */
3610 if (strncasecmp (s
, ",l", 2) != 0)
3615 /* Handle a branch pop completer. */
3617 if (strncasecmp (s
, ",pop", 4) != 0)
3622 /* Handle a local processor completer. */
3624 if (strncasecmp (s
, ",l", 2) != 0)
3629 /* Handle a PROBE read/write completer. */
3632 if (!strncasecmp (s
, ",w", 2))
3637 else if (!strncasecmp (s
, ",r", 2))
3643 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
3645 /* Handle MFCTL wide completer. */
3647 if (strncasecmp (s
, ",w", 2) != 0)
3652 /* Handle an RFI restore completer. */
3655 if (!strncasecmp (s
, ",r", 2))
3661 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
3663 /* Handle a system control completer. */
3665 if (*s
== ',' && (*(s
+ 1) == 'm' || *(s
+ 1) == 'M'))
3673 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
3675 /* Handle intermediate/final completer for DCOR. */
3678 if (!strncasecmp (s
, ",i", 2))
3684 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
3686 /* Handle zero/sign extension completer. */
3689 if (!strncasecmp (s
, ",z", 2))
3695 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
3697 /* Handle add completer. */
3700 if (!strncasecmp (s
, ",l", 2))
3705 else if (!strncasecmp (s
, ",tsv", 4))
3711 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
3713 /* Handle 64 bit carry for ADD. */
3716 if (!strncasecmp (s
, ",dc,tsv", 7) ||
3717 !strncasecmp (s
, ",tsv,dc", 7))
3722 else if (!strncasecmp (s
, ",dc", 3))
3730 /* Condition is not required with "dc". */
3732 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3734 /* Handle 32 bit carry for ADD. */
3737 if (!strncasecmp (s
, ",c,tsv", 6) ||
3738 !strncasecmp (s
, ",tsv,c", 6))
3743 else if (!strncasecmp (s
, ",c", 2))
3751 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3753 /* Handle trap on signed overflow. */
3756 if (!strncasecmp (s
, ",tsv", 4))
3762 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3764 /* Handle trap on condition and overflow. */
3767 if (!strncasecmp (s
, ",tc,tsv", 7) ||
3768 !strncasecmp (s
, ",tsv,tc", 7))
3773 else if (!strncasecmp (s
, ",tc", 3))
3781 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3783 /* Handle 64 bit borrow for SUB. */
3786 if (!strncasecmp (s
, ",db,tsv", 7) ||
3787 !strncasecmp (s
, ",tsv,db", 7))
3792 else if (!strncasecmp (s
, ",db", 3))
3800 /* Condition is not required with "db". */
3802 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3804 /* Handle 32 bit borrow for SUB. */
3807 if (!strncasecmp (s
, ",b,tsv", 6) ||
3808 !strncasecmp (s
, ",tsv,b", 6))
3813 else if (!strncasecmp (s
, ",b", 2))
3821 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3823 /* Handle trap condition completer for UADDCM. */
3826 if (!strncasecmp (s
, ",tc", 3))
3832 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
3834 /* Handle signed/unsigned at 21. */
3838 if (strncasecmp (s
, ",s", 2) == 0)
3843 else if (strncasecmp (s
, ",u", 2) == 0)
3849 INSERT_FIELD_AND_CONTINUE (opcode
, sign
, 10);
3852 /* Handle left/right combination at 17:18. */
3862 as_bad (_("Invalid left/right combination completer"));
3865 INSERT_FIELD_AND_CONTINUE (opcode
, lr
, 13);
3868 as_bad (_("Invalid left/right combination completer"));
3871 /* Handle saturation at 24:25. */
3875 if (strncasecmp (s
, ",ss", 3) == 0)
3880 else if (strncasecmp (s
, ",us", 3) == 0)
3886 INSERT_FIELD_AND_CONTINUE (opcode
, sat
, 6);
3889 /* Handle permutation completer. */
3917 as_bad (_("Invalid permutation completer"));
3919 opcode
|= perm
<< permloc
[i
];
3924 as_bad (_("Invalid permutation completer"));
3932 /* Handle all conditions. */
3938 /* Handle FP compare conditions. */
3940 cond
= pa_parse_fp_cmp_cond (&s
);
3941 INSERT_FIELD_AND_CONTINUE (opcode
, cond
, 0);
3943 /* Handle an add condition. */
3952 /* 64 bit conditions. */
3964 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
3968 if (strcmp (name
, "=") == 0)
3970 else if (strcmp (name
, "<") == 0)
3972 else if (strcmp (name
, "<=") == 0)
3974 else if (strcasecmp (name
, "nuv") == 0)
3976 else if (strcasecmp (name
, "znv") == 0)
3978 else if (strcasecmp (name
, "sv") == 0)
3980 else if (strcasecmp (name
, "od") == 0)
3982 else if (strcasecmp (name
, "tr") == 0)
3987 else if (strcmp (name
, "<>") == 0)
3992 else if (strcmp (name
, ">=") == 0)
3997 else if (strcmp (name
, ">") == 0)
4002 else if (strcasecmp (name
, "uv") == 0)
4007 else if (strcasecmp (name
, "vnz") == 0)
4012 else if (strcasecmp (name
, "nsv") == 0)
4017 else if (strcasecmp (name
, "ev") == 0)
4022 /* ",*" is a valid condition. */
4023 else if (*args
== 'a' || *name
)
4024 as_bad (_("Invalid Add Condition: %s"), name
);
4027 /* Except with "dc", we have a match failure with
4028 'A' if we don't have a doubleword condition. */
4029 else if (*args
== 'A' && need_cond
)
4032 opcode
|= cmpltr
<< 13;
4033 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
4035 /* Handle non-negated add and branch condition. */
4037 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
4040 as_bad (_("Invalid Add and Branch Condition"));
4043 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4045 /* Handle 64 bit wide-mode add and branch condition. */
4047 cmpltr
= pa_parse_addb_64_cmpltr (&s
);
4050 as_bad (_("Invalid Add and Branch Condition"));
4055 /* Negated condition requires an opcode change. */
4056 opcode
|= (cmpltr
& 8) << 24;
4058 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
4060 /* Handle a negated or non-negated add and branch
4064 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
4068 cmpltr
= pa_parse_neg_add_cmpltr (&s
);
4071 as_bad (_("Invalid Compare/Subtract Condition"));
4076 /* Negated condition requires an opcode change. */
4080 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4082 /* Handle branch on bit conditions. */
4100 if (strncmp (s
, "<", 1) == 0)
4105 else if (strncmp (s
, ">=", 2) == 0)
4111 as_bad (_("Invalid Branch On Bit Condition: %c"), *s
);
4114 as_bad (_("Missing Branch On Bit Condition"));
4116 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 15);
4118 /* Handle a compare/subtract condition. */
4127 /* 64 bit conditions. */
4139 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
4143 if (strcmp (name
, "=") == 0)
4145 else if (strcmp (name
, "<") == 0)
4147 else if (strcmp (name
, "<=") == 0)
4149 else if (strcasecmp (name
, "<<") == 0)
4151 else if (strcasecmp (name
, "<<=") == 0)
4153 else if (strcasecmp (name
, "sv") == 0)
4155 else if (strcasecmp (name
, "od") == 0)
4157 else if (strcasecmp (name
, "tr") == 0)
4162 else if (strcmp (name
, "<>") == 0)
4167 else if (strcmp (name
, ">=") == 0)
4172 else if (strcmp (name
, ">") == 0)
4177 else if (strcasecmp (name
, ">>=") == 0)
4182 else if (strcasecmp (name
, ">>") == 0)
4187 else if (strcasecmp (name
, "nsv") == 0)
4192 else if (strcasecmp (name
, "ev") == 0)
4197 /* ",*" is a valid condition. */
4198 else if (*args
!= 'S' || *name
)
4199 as_bad (_("Invalid Compare/Subtract Condition: %s"),
4203 /* Except with "db", we have a match failure with
4204 'S' if we don't have a doubleword condition. */
4205 else if (*args
== 'S' && need_cond
)
4208 opcode
|= cmpltr
<< 13;
4209 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
4211 /* Handle a non-negated compare condition. */
4213 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
4216 as_bad (_("Invalid Compare/Subtract Condition"));
4219 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4221 /* Handle a 32 bit compare and branch condition. */
4224 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
4228 cmpltr
= pa_parse_neg_cmpsub_cmpltr (&s
);
4231 as_bad (_("Invalid Compare and Branch Condition"));
4236 /* Negated condition requires an opcode change. */
4241 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4243 /* Handle a 64 bit compare and branch condition. */
4245 cmpltr
= pa_parse_cmpb_64_cmpltr (&s
);
4248 /* Negated condition requires an opcode change. */
4249 opcode
|= (cmpltr
& 8) << 26;
4252 /* Not a 64 bit cond. Give 32 bit a chance. */
4255 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
4257 /* Handle a 64 bit cmpib condition. */
4259 cmpltr
= pa_parse_cmpib_64_cmpltr (&s
);
4261 /* Not a 64 bit cond. Give 32 bit a chance. */
4264 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4266 /* Handle a logical instruction condition. */
4275 /* 64 bit conditions. */
4287 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
4292 if (strcmp (name
, "=") == 0)
4294 else if (strcmp (name
, "<") == 0)
4296 else if (strcmp (name
, "<=") == 0)
4298 else if (strcasecmp (name
, "od") == 0)
4300 else if (strcasecmp (name
, "tr") == 0)
4305 else if (strcmp (name
, "<>") == 0)
4310 else if (strcmp (name
, ">=") == 0)
4315 else if (strcmp (name
, ">") == 0)
4320 else if (strcasecmp (name
, "ev") == 0)
4325 /* ",*" is a valid condition. */
4326 else if (*args
!= 'L' || *name
)
4327 as_bad (_("Invalid Logical Instruction Condition."));
4330 /* 32-bit is default for no condition. */
4331 else if (*args
== 'L')
4334 opcode
|= cmpltr
<< 13;
4335 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
4337 /* Handle a shift/extract/deposit condition. */
4342 /* Check immediate values in shift/extract/deposit
4343 * instructions if they will give undefined behaviour. */
4344 immediate_check
= 1;
4349 /* 64 bit conditions. */
4361 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
4365 if (strcmp (name
, "=") == 0)
4367 else if (strcmp (name
, "<") == 0)
4369 else if (strcasecmp (name
, "od") == 0)
4371 else if (strcasecmp (name
, "tr") == 0)
4373 else if (strcmp (name
, "<>") == 0)
4375 else if (strcmp (name
, ">=") == 0)
4377 else if (strcasecmp (name
, "ev") == 0)
4379 /* Handle movb,n. Put things back the way they were.
4380 This includes moving s back to where it started. */
4381 else if (strcasecmp (name
, "n") == 0 && *args
== 'y')
4387 /* ",*" is a valid condition. */
4388 else if (*args
!= 'X' || *name
)
4389 as_bad (_("Invalid Shift/Extract/Deposit Condition."));
4393 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4395 /* Handle a unit instruction condition. */
4405 /* 64 bit conditions. */
4416 /* The uxor instruction only supports unit conditions
4417 not involving carries. */
4418 uxor
= (opcode
& 0xfc000fc0) == 0x08000380;
4419 if (strncasecmp (s
, "sbz", 3) == 0)
4424 else if (strncasecmp (s
, "shz", 3) == 0)
4429 else if (!uxor
&& strncasecmp (s
, "sdc", 3) == 0)
4434 else if (!uxor
&& strncasecmp (s
, "sbc", 3) == 0)
4439 else if (!uxor
&& strncasecmp (s
, "shc", 3) == 0)
4444 else if (strncasecmp (s
, "tr", 2) == 0)
4450 else if (strncasecmp (s
, "nbz", 3) == 0)
4456 else if (strncasecmp (s
, "nhz", 3) == 0)
4462 else if (!uxor
&& strncasecmp (s
, "ndc", 3) == 0)
4468 else if (!uxor
&& strncasecmp (s
, "nbc", 3) == 0)
4474 else if (!uxor
&& strncasecmp (s
, "nhc", 3) == 0)
4480 else if (strncasecmp (s
, "swz", 3) == 0)
4486 else if (!uxor
&& strncasecmp (s
, "swc", 3) == 0)
4492 else if (strncasecmp (s
, "nwz", 3) == 0)
4498 else if (!uxor
&& strncasecmp (s
, "nwc", 3) == 0)
4504 /* ",*" is a valid condition. */
4505 else if (*args
!= 'U' || (*s
!= ' ' && *s
!= '\t'))
4506 as_bad (_("Invalid Unit Instruction Condition."));
4508 /* 32-bit is default for no condition. */
4509 else if (*args
== 'U')
4512 opcode
|= cmpltr
<< 13;
4513 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
4521 /* Handle a nullification completer for branch instructions. */
4523 nullif
= pa_parse_nullif (&s
);
4524 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 1);
4526 /* Handle a nullification completer for copr and spop insns. */
4528 nullif
= pa_parse_nullif (&s
);
4529 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 5);
4531 /* Handle ,%r2 completer for new syntax branches. */
4533 if (*s
== ',' && strncasecmp (s
+ 1, "%r2", 3) == 0)
4535 else if (*s
== ',' && strncasecmp (s
+ 1, "%rp", 3) == 0)
4541 /* Handle 3 bit entry into the fp compare array. Valid values
4542 are 0..6 inclusive. */
4546 if (the_insn
.exp
.X_op
== O_constant
)
4548 num
= evaluate_absolute (&the_insn
);
4549 CHECK_FIELD (num
, 6, 0, 0);
4551 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
4556 /* Handle 3 bit entry into the fp compare array. Valid values
4557 are 0..6 inclusive. */
4560 if (the_insn
.exp
.X_op
== O_constant
)
4563 num
= evaluate_absolute (&the_insn
);
4564 CHECK_FIELD (num
, 6, 0, 0);
4565 num
= (num
+ 1) ^ 1;
4566 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
4571 /* Handle graphics test completers for ftest */
4574 num
= pa_parse_ftest_gfx_completer (&s
);
4575 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4578 /* Handle a 11 bit immediate at 31. */
4580 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4583 if (the_insn
.exp
.X_op
== O_constant
)
4585 num
= evaluate_absolute (&the_insn
);
4586 CHECK_FIELD (num
, 1023, -1024, 0);
4587 num
= low_sign_unext (num
, 11);
4588 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4592 if (is_DP_relative (the_insn
.exp
))
4593 the_insn
.reloc
= R_HPPA_GOTOFF
;
4594 else if (is_PC_relative (the_insn
.exp
))
4595 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4597 else if (is_tls_gdidx (the_insn
.exp
))
4598 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4599 else if (is_tls_ldidx (the_insn
.exp
))
4600 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4601 else if (is_tls_dtpoff (the_insn
.exp
))
4602 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4603 else if (is_tls_ieoff (the_insn
.exp
))
4604 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4605 else if (is_tls_leoff (the_insn
.exp
))
4606 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4609 the_insn
.reloc
= R_HPPA
;
4610 the_insn
.format
= 11;
4614 /* Handle a 14 bit immediate at 31. */
4616 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4619 if (the_insn
.exp
.X_op
== O_constant
)
4623 /* XXX the completer stored away tidbits of information
4624 for us to extract. We need a cleaner way to do this.
4625 Now that we have lots of letters again, it would be
4626 good to rethink this. */
4629 num
= evaluate_absolute (&the_insn
);
4630 if (mb
!= (num
< 0))
4632 CHECK_FIELD (num
, 8191, -8192, 0);
4633 num
= low_sign_unext (num
, 14);
4634 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4638 /* Handle a 14 bit immediate at 31. */
4640 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4643 if (the_insn
.exp
.X_op
== O_constant
)
4649 num
= evaluate_absolute (&the_insn
);
4650 if (mb
== (num
< 0))
4654 CHECK_FIELD (num
, 8191, -8192, 0);
4655 num
= low_sign_unext (num
, 14);
4656 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4660 /* Handle a 16 bit immediate at 31. */
4662 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4665 if (the_insn
.exp
.X_op
== O_constant
)
4671 num
= evaluate_absolute (&the_insn
);
4672 if (mb
!= (num
< 0))
4674 CHECK_FIELD (num
, 32767, -32768, 0);
4675 num
= re_assemble_16 (num
);
4676 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4680 /* Handle a 16 bit immediate at 31. */
4682 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4685 if (the_insn
.exp
.X_op
== O_constant
)
4691 num
= evaluate_absolute (&the_insn
);
4692 if (mb
== (num
< 0))
4696 CHECK_FIELD (num
, 32767, -32768, 0);
4697 num
= re_assemble_16 (num
);
4698 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4702 /* Handle 14 bit immediate, shifted left three times. */
4704 if (bfd_get_mach (stdoutput
) != pa20
)
4706 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4709 if (the_insn
.exp
.X_op
== O_constant
)
4711 num
= evaluate_absolute (&the_insn
);
4714 CHECK_FIELD (num
, 8191, -8192, 0);
4719 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 4);
4723 if (is_DP_relative (the_insn
.exp
))
4724 the_insn
.reloc
= R_HPPA_GOTOFF
;
4725 else if (is_PC_relative (the_insn
.exp
))
4726 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4728 else if (is_tls_gdidx (the_insn
.exp
))
4729 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4730 else if (is_tls_ldidx (the_insn
.exp
))
4731 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4732 else if (is_tls_dtpoff (the_insn
.exp
))
4733 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4734 else if (is_tls_ieoff (the_insn
.exp
))
4735 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4736 else if (is_tls_leoff (the_insn
.exp
))
4737 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4740 the_insn
.reloc
= R_HPPA
;
4741 the_insn
.format
= 14;
4746 /* Handle 14 bit immediate, shifted left twice. */
4748 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4751 if (the_insn
.exp
.X_op
== O_constant
)
4753 num
= evaluate_absolute (&the_insn
);
4756 CHECK_FIELD (num
, 8191, -8192, 0);
4761 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
4765 if (is_DP_relative (the_insn
.exp
))
4766 the_insn
.reloc
= R_HPPA_GOTOFF
;
4767 else if (is_PC_relative (the_insn
.exp
))
4768 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4770 else if (is_tls_gdidx (the_insn
.exp
))
4771 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4772 else if (is_tls_ldidx (the_insn
.exp
))
4773 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4774 else if (is_tls_dtpoff (the_insn
.exp
))
4775 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4776 else if (is_tls_ieoff (the_insn
.exp
))
4777 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4778 else if (is_tls_leoff (the_insn
.exp
))
4779 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4782 the_insn
.reloc
= R_HPPA
;
4783 the_insn
.format
= 14;
4787 /* Handle a 14 bit immediate at 31. */
4789 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4792 if (the_insn
.exp
.X_op
== O_constant
)
4794 num
= evaluate_absolute (&the_insn
);
4795 CHECK_FIELD (num
, 8191, -8192, 0);
4796 num
= low_sign_unext (num
, 14);
4797 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4801 if (is_DP_relative (the_insn
.exp
))
4802 the_insn
.reloc
= R_HPPA_GOTOFF
;
4803 else if (is_PC_relative (the_insn
.exp
))
4804 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4806 else if (is_tls_gdidx (the_insn
.exp
))
4807 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4808 else if (is_tls_ldidx (the_insn
.exp
))
4809 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4810 else if (is_tls_dtpoff (the_insn
.exp
))
4811 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4812 else if (is_tls_ieoff (the_insn
.exp
))
4813 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4814 else if (is_tls_leoff (the_insn
.exp
))
4815 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4818 the_insn
.reloc
= R_HPPA
;
4819 the_insn
.format
= 14;
4823 /* Handle a 21 bit immediate at 31. */
4825 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4828 if (the_insn
.exp
.X_op
== O_constant
)
4830 num
= evaluate_absolute (&the_insn
);
4831 CHECK_FIELD (num
>> 11, 1048575, -1048576, 0);
4832 opcode
|= re_assemble_21 (num
);
4837 if (is_DP_relative (the_insn
.exp
))
4838 the_insn
.reloc
= R_HPPA_GOTOFF
;
4839 else if (is_PC_relative (the_insn
.exp
))
4840 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4842 else if (is_tls_gdidx (the_insn
.exp
))
4843 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4844 else if (is_tls_ldidx (the_insn
.exp
))
4845 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4846 else if (is_tls_dtpoff (the_insn
.exp
))
4847 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4848 else if (is_tls_ieoff (the_insn
.exp
))
4849 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4850 else if (is_tls_leoff (the_insn
.exp
))
4851 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4854 the_insn
.reloc
= R_HPPA
;
4855 the_insn
.format
= 21;
4859 /* Handle a 16 bit immediate at 31 (PA 2.0 wide mode only). */
4861 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4864 if (the_insn
.exp
.X_op
== O_constant
)
4866 num
= evaluate_absolute (&the_insn
);
4867 CHECK_FIELD (num
, 32767, -32768, 0);
4868 opcode
|= re_assemble_16 (num
);
4873 /* ??? Is this valid for wide mode? */
4874 if (is_DP_relative (the_insn
.exp
))
4875 the_insn
.reloc
= R_HPPA_GOTOFF
;
4876 else if (is_PC_relative (the_insn
.exp
))
4877 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4879 else if (is_tls_gdidx (the_insn
.exp
))
4880 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4881 else if (is_tls_ldidx (the_insn
.exp
))
4882 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4883 else if (is_tls_dtpoff (the_insn
.exp
))
4884 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4885 else if (is_tls_ieoff (the_insn
.exp
))
4886 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4887 else if (is_tls_leoff (the_insn
.exp
))
4888 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4891 the_insn
.reloc
= R_HPPA
;
4892 the_insn
.format
= 14;
4896 /* Handle a word-aligned 16-bit imm. at 31 (PA2.0 wide). */
4898 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4901 if (the_insn
.exp
.X_op
== O_constant
)
4903 num
= evaluate_absolute (&the_insn
);
4904 CHECK_FIELD (num
, 32767, -32768, 0);
4905 CHECK_ALIGN (num
, 4, 0);
4906 opcode
|= re_assemble_16 (num
);
4911 /* ??? Is this valid for wide mode? */
4912 if (is_DP_relative (the_insn
.exp
))
4913 the_insn
.reloc
= R_HPPA_GOTOFF
;
4914 else if (is_PC_relative (the_insn
.exp
))
4915 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4917 else if (is_tls_gdidx (the_insn
.exp
))
4918 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4919 else if (is_tls_ldidx (the_insn
.exp
))
4920 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4921 else if (is_tls_dtpoff (the_insn
.exp
))
4922 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4923 else if (is_tls_ieoff (the_insn
.exp
))
4924 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4925 else if (is_tls_leoff (the_insn
.exp
))
4926 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4929 the_insn
.reloc
= R_HPPA
;
4930 the_insn
.format
= 14;
4934 /* Handle a dword-aligned 16-bit imm. at 31 (PA2.0 wide). */
4936 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4939 if (the_insn
.exp
.X_op
== O_constant
)
4941 num
= evaluate_absolute (&the_insn
);
4942 CHECK_FIELD (num
, 32767, -32768, 0);
4943 CHECK_ALIGN (num
, 8, 0);
4944 opcode
|= re_assemble_16 (num
);
4949 /* ??? Is this valid for wide mode? */
4950 if (is_DP_relative (the_insn
.exp
))
4951 the_insn
.reloc
= R_HPPA_GOTOFF
;
4952 else if (is_PC_relative (the_insn
.exp
))
4953 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4955 else if (is_tls_gdidx (the_insn
.exp
))
4956 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4957 else if (is_tls_ldidx (the_insn
.exp
))
4958 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4959 else if (is_tls_dtpoff (the_insn
.exp
))
4960 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4961 else if (is_tls_ieoff (the_insn
.exp
))
4962 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4963 else if (is_tls_leoff (the_insn
.exp
))
4964 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4967 the_insn
.reloc
= R_HPPA
;
4968 the_insn
.format
= 14;
4972 /* Handle a 12 bit branch displacement. */
4974 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4978 if (!the_insn
.exp
.X_add_symbol
4979 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
4982 num
= evaluate_absolute (&the_insn
);
4985 as_bad (_("Branch to unaligned address"));
4988 if (the_insn
.exp
.X_add_symbol
)
4990 CHECK_FIELD (num
, 8191, -8192, 0);
4991 opcode
|= re_assemble_12 (num
>> 2);
4996 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4997 the_insn
.format
= 12;
4998 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
4999 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
5004 /* Handle a 17 bit branch displacement. */
5006 the_insn
.field_selector
= pa_chk_field_selector (&s
);
5010 if (!the_insn
.exp
.X_add_symbol
5011 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
5014 num
= evaluate_absolute (&the_insn
);
5017 as_bad (_("Branch to unaligned address"));
5020 if (the_insn
.exp
.X_add_symbol
)
5022 CHECK_FIELD (num
, 262143, -262144, 0);
5023 opcode
|= re_assemble_17 (num
>> 2);
5028 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
5029 the_insn
.format
= 17;
5030 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
5031 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
5035 /* Handle a 22 bit branch displacement. */
5037 the_insn
.field_selector
= pa_chk_field_selector (&s
);
5041 if (!the_insn
.exp
.X_add_symbol
5042 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
5045 num
= evaluate_absolute (&the_insn
);
5048 as_bad (_("Branch to unaligned address"));
5051 if (the_insn
.exp
.X_add_symbol
)
5053 CHECK_FIELD (num
, 8388607, -8388608, 0);
5054 opcode
|= re_assemble_22 (num
>> 2);
5058 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
5059 the_insn
.format
= 22;
5060 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
5061 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
5065 /* Handle an absolute 17 bit branch target. */
5067 the_insn
.field_selector
= pa_chk_field_selector (&s
);
5071 if (!the_insn
.exp
.X_add_symbol
5072 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
5075 num
= evaluate_absolute (&the_insn
);
5078 as_bad (_("Branch to unaligned address"));
5081 if (the_insn
.exp
.X_add_symbol
)
5083 CHECK_FIELD (num
, 262143, -262144, 0);
5084 opcode
|= re_assemble_17 (num
>> 2);
5089 the_insn
.reloc
= R_HPPA_ABS_CALL
;
5090 the_insn
.format
= 17;
5091 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
5092 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
5096 /* Handle '%r1' implicit operand of addil instruction. */
5098 if (*s
== ',' && *(s
+ 1) == '%' && *(s
+ 3) == '1'
5099 && (*(s
+ 2) == 'r' || *(s
+ 2) == 'R'))
5107 /* Handle '%sr0,%r31' implicit operand of be,l instruction. */
5109 if (strncasecmp (s
, "%sr0,%r31", 9) != 0)
5114 /* Handle immediate value of 0 for ordered load/store instructions. */
5121 /* Handle a 2 bit shift count at 25. */
5123 num
= pa_get_absolute_expression (&the_insn
, &s
);
5124 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5127 CHECK_FIELD (num
, 3, 1, strict
);
5128 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5130 /* Handle a 4 bit shift count at 25. */
5132 num
= pa_get_absolute_expression (&the_insn
, &s
);
5133 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5136 CHECK_FIELD (num
, 15, 0, strict
);
5137 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5139 /* Handle a 5 bit shift count at 26. */
5141 num
= pa_get_absolute_expression (&the_insn
, &s
);
5142 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5145 CHECK_FIELD (num
, 31, 0, strict
);
5146 SAVE_IMMEDIATE(num
);
5147 INSERT_FIELD_AND_CONTINUE (opcode
, 31 - num
, 5);
5149 /* Handle a 6 bit shift count at 20,22:26. */
5151 num
= pa_get_absolute_expression (&the_insn
, &s
);
5152 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5155 CHECK_FIELD (num
, 63, 0, strict
);
5156 SAVE_IMMEDIATE(num
);
5158 opcode
|= (num
& 0x20) << 6;
5159 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
5161 /* Handle a 6 bit field length at 23,27:31. */
5164 num
= pa_get_absolute_expression (&the_insn
, &s
);
5165 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5168 CHECK_FIELD (num
, 64, 1, strict
);
5169 SAVE_IMMEDIATE(num
);
5171 opcode
|= (num
& 0x20) << 3;
5172 num
= 31 - (num
& 0x1f);
5173 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5175 /* Handle a 6 bit field length at 19,27:31. */
5177 num
= pa_get_absolute_expression (&the_insn
, &s
);
5178 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5181 CHECK_FIELD (num
, 64, 1, strict
);
5182 SAVE_IMMEDIATE(num
);
5184 opcode
|= (num
& 0x20) << 7;
5185 num
= 31 - (num
& 0x1f);
5186 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5188 /* Handle a 5 bit bit position at 26. */
5190 num
= pa_get_absolute_expression (&the_insn
, &s
);
5191 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5194 CHECK_FIELD (num
, 31, 0, strict
);
5195 SAVE_IMMEDIATE(num
);
5196 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 5);
5198 /* Handle a 6 bit bit position at 20,22:26. */
5200 num
= pa_get_absolute_expression (&the_insn
, &s
);
5201 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5204 CHECK_FIELD (num
, 63, 0, strict
);
5205 SAVE_IMMEDIATE(num
);
5206 opcode
|= (num
& 0x20) << 6;
5207 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
5209 /* Handle a 5 bit immediate at 10 with 'd' as the complement
5210 of the high bit of the immediate. */
5212 num
= pa_get_absolute_expression (&the_insn
, &s
);
5213 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5216 CHECK_FIELD (num
, 63, 0, strict
);
5220 opcode
|= (1 << 13);
5221 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 21);
5223 /* Handle a 5 bit immediate at 10. */
5225 num
= pa_get_absolute_expression (&the_insn
, &s
);
5226 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5229 CHECK_FIELD (num
, 31, 0, strict
);
5230 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
5232 /* Handle a 9 bit immediate at 28. */
5234 num
= pa_get_absolute_expression (&the_insn
, &s
);
5235 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5238 CHECK_FIELD (num
, 511, 1, strict
);
5239 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
5241 /* Handle a 13 bit immediate at 18. */
5243 num
= pa_get_absolute_expression (&the_insn
, &s
);
5244 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5247 CHECK_FIELD (num
, 8191, 0, strict
);
5248 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
5250 /* Handle a 26 bit immediate at 31. */
5252 num
= pa_get_absolute_expression (&the_insn
, &s
);
5253 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5256 CHECK_FIELD (num
, 67108863, 0, strict
);
5257 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5259 /* Handle a 3 bit SFU identifier at 25. */
5262 as_bad (_("Invalid SFU identifier"));
5263 num
= pa_get_number (&the_insn
, &s
);
5264 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5267 CHECK_FIELD (num
, 7, 0, strict
);
5268 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5270 /* Handle a 20 bit SOP field for spop0. */
5272 num
= pa_get_number (&the_insn
, &s
);
5273 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5276 CHECK_FIELD (num
, 1048575, 0, strict
);
5277 num
= (num
& 0x1f) | ((num
& 0x000fffe0) << 6);
5278 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5280 /* Handle a 15bit SOP field for spop1. */
5282 num
= pa_get_number (&the_insn
, &s
);
5283 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5286 CHECK_FIELD (num
, 32767, 0, strict
);
5287 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
5289 /* Handle a 10bit SOP field for spop3. */
5291 num
= pa_get_number (&the_insn
, &s
);
5292 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5295 CHECK_FIELD (num
, 1023, 0, strict
);
5296 num
= (num
& 0x1f) | ((num
& 0x000003e0) << 6);
5297 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5299 /* Handle a 15 bit SOP field for spop2. */
5301 num
= pa_get_number (&the_insn
, &s
);
5302 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5305 CHECK_FIELD (num
, 32767, 0, strict
);
5306 num
= (num
& 0x1f) | ((num
& 0x00007fe0) << 6);
5307 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5309 /* Handle a 3-bit co-processor ID field. */
5312 as_bad (_("Invalid COPR identifier"));
5313 num
= pa_get_number (&the_insn
, &s
);
5314 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5317 CHECK_FIELD (num
, 7, 0, strict
);
5318 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5320 /* Handle a 22bit SOP field for copr. */
5322 num
= pa_get_number (&the_insn
, &s
);
5323 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5326 CHECK_FIELD (num
, 4194303, 0, strict
);
5327 num
= (num
& 0x1f) | ((num
& 0x003fffe0) << 4);
5328 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5330 /* Handle a source FP operand format completer. */
5332 if (*s
== ',' && *(s
+1) == 't')
5339 flag
= pa_parse_fp_cnv_format (&s
);
5340 the_insn
.fpof1
= flag
;
5341 if (flag
== W
|| flag
== UW
)
5343 if (flag
== DW
|| flag
== UDW
)
5345 if (flag
== QW
|| flag
== UQW
)
5347 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
5349 /* Handle a destination FP operand format completer. */
5351 /* pa_parse_format needs the ',' prefix. */
5353 flag
= pa_parse_fp_cnv_format (&s
);
5354 the_insn
.fpof2
= flag
;
5355 if (flag
== W
|| flag
== UW
)
5357 if (flag
== DW
|| flag
== UDW
)
5359 if (flag
== QW
|| flag
== UQW
)
5361 opcode
|= flag
<< 13;
5362 if (the_insn
.fpof1
== SGL
5363 || the_insn
.fpof1
== DBL
5364 || the_insn
.fpof1
== QUAD
)
5366 if (the_insn
.fpof2
== SGL
5367 || the_insn
.fpof2
== DBL
5368 || the_insn
.fpof2
== QUAD
)
5370 else if (the_insn
.fpof2
== W
5371 || the_insn
.fpof2
== DW
5372 || the_insn
.fpof2
== QW
)
5374 else if (the_insn
.fpof2
== UW
5375 || the_insn
.fpof2
== UDW
5376 || the_insn
.fpof2
== UQW
)
5381 else if (the_insn
.fpof1
== W
5382 || the_insn
.fpof1
== DW
5383 || the_insn
.fpof1
== QW
)
5385 if (the_insn
.fpof2
== SGL
5386 || the_insn
.fpof2
== DBL
5387 || the_insn
.fpof2
== QUAD
)
5392 else if (the_insn
.fpof1
== UW
5393 || the_insn
.fpof1
== UDW
5394 || the_insn
.fpof1
== UQW
)
5396 if (the_insn
.fpof2
== SGL
5397 || the_insn
.fpof2
== DBL
5398 || the_insn
.fpof2
== QUAD
)
5403 flag
|= the_insn
.trunc
;
5404 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 15);
5406 /* Handle a source FP operand format completer. */
5408 flag
= pa_parse_fp_format (&s
);
5409 the_insn
.fpof1
= flag
;
5410 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
5412 /* Handle a destination FP operand format completer. */
5414 /* pa_parse_format needs the ',' prefix. */
5416 flag
= pa_parse_fp_format (&s
);
5417 the_insn
.fpof2
= flag
;
5418 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 13);
5420 /* Handle a source FP operand format completer at 20. */
5422 flag
= pa_parse_fp_format (&s
);
5423 the_insn
.fpof1
= flag
;
5424 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
5426 /* Handle a floating point operand format at 26.
5427 Only allows single and double precision. */
5429 flag
= pa_parse_fp_format (&s
);
5435 the_insn
.fpof1
= flag
;
5441 as_bad (_("Invalid Floating Point Operand Format."));
5445 /* Handle all floating point registers. */
5449 /* Float target register. */
5451 if (!pa_parse_number (&s
, 3))
5453 /* RSEL should not be set. */
5454 if (pa_number
& FP_REG_RSEL
)
5456 num
= pa_number
- FP_REG_BASE
;
5457 CHECK_FIELD (num
, 31, 0, 0);
5458 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5460 /* Float target register with L/R selection. */
5463 if (!pa_parse_number (&s
, 1))
5465 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5466 CHECK_FIELD (num
, 31, 0, 0);
5469 /* 0x30 opcodes are FP arithmetic operation opcodes
5470 and need to be turned into 0x38 opcodes. This
5471 is not necessary for loads/stores. */
5472 if (need_pa11_opcode ()
5473 && ((opcode
& 0xfc000000) == 0x30000000))
5476 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 6 : 0);
5480 /* Float operand 1. */
5483 if (!pa_parse_number (&s
, 1))
5485 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5486 CHECK_FIELD (num
, 31, 0, 0);
5487 opcode
|= num
<< 21;
5488 if (need_pa11_opcode ())
5490 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
5496 /* Float operand 1 with L/R selection. */
5500 if (!pa_parse_number (&s
, 1))
5502 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5503 CHECK_FIELD (num
, 31, 0, 0);
5504 opcode
|= num
<< 21;
5505 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
5509 /* Float operand 2. */
5512 if (!pa_parse_number (&s
, 1))
5514 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5515 CHECK_FIELD (num
, 31, 0, 0);
5516 opcode
|= num
<< 16;
5517 if (need_pa11_opcode ())
5519 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
5525 /* Float operand 2 with L/R selection. */
5528 if (!pa_parse_number (&s
, 1))
5530 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5531 CHECK_FIELD (num
, 31, 0, 0);
5532 opcode
|= num
<< 16;
5533 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
5537 /* Float operand 3 for fmpyfadd, fmpynfadd. */
5540 if (!pa_parse_number (&s
, 1))
5542 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5543 CHECK_FIELD (num
, 31, 0, 0);
5544 opcode
|= (num
& 0x1c) << 11;
5545 opcode
|= (num
& 0x03) << 9;
5546 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 8 : 0);
5550 /* Float mult operand 1 for fmpyadd, fmpysub */
5553 if (!pa_parse_number (&s
, 1))
5555 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5556 CHECK_FIELD (num
, 31, 0, 0);
5557 if (the_insn
.fpof1
== SGL
)
5561 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5565 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5567 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
5570 /* Float mult operand 2 for fmpyadd, fmpysub */
5573 if (!pa_parse_number (&s
, 1))
5575 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5576 CHECK_FIELD (num
, 31, 0, 0);
5577 if (the_insn
.fpof1
== SGL
)
5581 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5585 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5587 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
5590 /* Float mult target for fmpyadd, fmpysub */
5593 if (!pa_parse_number (&s
, 1))
5595 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5596 CHECK_FIELD (num
, 31, 0, 0);
5597 if (the_insn
.fpof1
== SGL
)
5601 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5605 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5607 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5610 /* Float add operand 1 for fmpyadd, fmpysub */
5613 if (!pa_parse_number (&s
, 1))
5615 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5616 CHECK_FIELD (num
, 31, 0, 0);
5617 if (the_insn
.fpof1
== SGL
)
5621 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5625 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5627 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5630 /* Float add target for fmpyadd, fmpysub */
5633 if (!pa_parse_number (&s
, 1))
5635 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5636 CHECK_FIELD (num
, 31, 0, 0);
5637 if (the_insn
.fpof1
== SGL
)
5641 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5645 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5647 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
5650 /* Handle L/R register halves like 'x'. */
5654 if (!pa_parse_number (&s
, 1))
5656 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5657 CHECK_FIELD (num
, 31, 0, 0);
5658 opcode
|= num
<< 16;
5659 if (need_pa11_opcode ())
5661 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 1 : 0);
5666 /* Float target register (PA 2.0 wide). */
5668 if (!pa_parse_number (&s
, 3))
5670 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5671 CHECK_FIELD (num
, 31, 0, 0);
5672 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
5685 /* If this instruction is specific to a particular architecture,
5686 then set a new architecture. This automatic promotion crud is
5687 for compatibility with HP's old assemblers only. */
5689 && bfd_get_mach (stdoutput
) < insn
->arch
5690 && !bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, insn
->arch
))
5692 as_warn (_("could not update architecture and machine"));
5697 /* Check if the args matched. */
5700 if (&insn
[1] - pa_opcodes
< (int) NUMOPCODES
5701 && !strcmp (insn
->name
, insn
[1].name
))
5709 as_bad (_("Invalid operands %s"), error_message
);
5716 if (immediate_check
)
5718 if (pos
!= -1 && len
!= -1 && pos
< len
- 1)
5719 as_warn (_("Immediates %d and %d will give undefined behavior."),
5723 the_insn
.opcode
= opcode
;
5726 /* Assemble a single instruction storing it into a frag. */
5729 md_assemble (char *str
)
5733 /* The had better be something to assemble. */
5736 /* If we are within a procedure definition, make sure we've
5737 defined a label for the procedure; handle case where the
5738 label was defined after the .PROC directive.
5740 Note there's not need to diddle with the segment or fragment
5741 for the label symbol in this case. We have already switched
5742 into the new $CODE$ subspace at this point. */
5743 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
5745 label_symbol_struct
*label_symbol
= pa_get_label ();
5749 if (label_symbol
->lss_label
)
5751 last_call_info
->start_symbol
= label_symbol
->lss_label
;
5752 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
5755 /* Also handle allocation of a fixup to hold the unwind
5756 information when the label appears after the proc/procend. */
5757 if (within_entry_exit
)
5762 where
= frag_more (0);
5763 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
5764 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5765 NULL
, (offsetT
) 0, NULL
,
5766 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
5771 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
5774 as_bad (_("Missing function name for .PROC"));
5777 /* Assemble the instruction. Results are saved into "the_insn". */
5780 /* Get somewhere to put the assembled instruction. */
5783 /* Output the opcode. */
5784 md_number_to_chars (to
, the_insn
.opcode
, 4);
5786 /* If necessary output more stuff. */
5787 if (the_insn
.reloc
!= R_HPPA_NONE
)
5788 fix_new_hppa (frag_now
, (to
- frag_now
->fr_literal
), 4, NULL
,
5789 (offsetT
) 0, &the_insn
.exp
, the_insn
.pcrel
,
5790 the_insn
.reloc
, the_insn
.field_selector
,
5791 the_insn
.format
, the_insn
.arg_reloc
, 0);
5794 dwarf2_emit_insn (4);
5799 /* Handle an alignment directive. Special so that we can update the
5800 alignment of the subspace if necessary. */
5802 pa_align (int bytes
)
5804 /* We must have a valid space and subspace. */
5805 pa_check_current_space_and_subspace ();
5807 /* Let the generic gas code do most of the work. */
5808 s_align_bytes (bytes
);
5810 /* If bytes is a power of 2, then update the current subspace's
5811 alignment if necessary. */
5812 if (exact_log2 (bytes
) != -1)
5813 record_alignment (current_subspace
->ssd_seg
, exact_log2 (bytes
));
5817 /* Handle a .BLOCK type pseudo-op. */
5820 pa_block (int z ATTRIBUTE_UNUSED
)
5822 unsigned int temp_size
;
5825 /* We must have a valid space and subspace. */
5826 pa_check_current_space_and_subspace ();
5829 temp_size
= get_absolute_expression ();
5831 if (temp_size
> 0x3FFFFFFF)
5833 as_bad (_("Argument to .BLOCK/.BLOCKZ must be between 0 and 0x3fffffff"));
5838 /* Always fill with zeros, that's what the HP assembler does. */
5839 char *p
= frag_var (rs_fill
, 1, 1, 0, NULL
, temp_size
, NULL
);
5843 pa_undefine_label ();
5844 demand_empty_rest_of_line ();
5847 /* Handle a .begin_brtab and .end_brtab pseudo-op. */
5850 pa_brtab (int begin ATTRIBUTE_UNUSED
)
5854 /* The BRTAB relocations are only available in SOM (to denote
5855 the beginning and end of branch tables). */
5856 char *where
= frag_more (0);
5858 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5859 NULL
, (offsetT
) 0, NULL
,
5860 0, begin
? R_HPPA_BEGIN_BRTAB
: R_HPPA_END_BRTAB
,
5864 demand_empty_rest_of_line ();
5867 /* Handle a .begin_try and .end_try pseudo-op. */
5870 pa_try (int begin ATTRIBUTE_UNUSED
)
5874 char *where
= frag_more (0);
5879 /* The TRY relocations are only available in SOM (to denote
5880 the beginning and end of exception handling regions). */
5882 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5883 NULL
, (offsetT
) 0, begin
? NULL
: &exp
,
5884 0, begin
? R_HPPA_BEGIN_TRY
: R_HPPA_END_TRY
,
5888 demand_empty_rest_of_line ();
5891 /* Do the dirty work of building a call descriptor which describes
5892 where the caller placed arguments to a function call. */
5895 pa_call_args (struct call_desc
*call_desc
)
5898 unsigned int temp
, arg_reloc
;
5900 while (!is_end_of_statement ())
5902 name
= input_line_pointer
;
5903 c
= get_symbol_end ();
5904 /* Process a source argument. */
5905 if ((strncasecmp (name
, "argw", 4) == 0))
5907 temp
= atoi (name
+ 4);
5908 p
= input_line_pointer
;
5910 input_line_pointer
++;
5911 name
= input_line_pointer
;
5912 c
= get_symbol_end ();
5913 arg_reloc
= pa_build_arg_reloc (name
);
5914 call_desc
->arg_reloc
|= pa_align_arg_reloc (temp
, arg_reloc
);
5916 /* Process a return value. */
5917 else if ((strncasecmp (name
, "rtnval", 6) == 0))
5919 p
= input_line_pointer
;
5921 input_line_pointer
++;
5922 name
= input_line_pointer
;
5923 c
= get_symbol_end ();
5924 arg_reloc
= pa_build_arg_reloc (name
);
5925 call_desc
->arg_reloc
|= (arg_reloc
& 0x3);
5929 as_bad (_("Invalid .CALL argument: %s"), name
);
5931 p
= input_line_pointer
;
5933 if (!is_end_of_statement ())
5934 input_line_pointer
++;
5938 /* Handle a .CALL pseudo-op. This involves storing away information
5939 about where arguments are to be found so the linker can detect
5940 (and correct) argument location mismatches between caller and callee. */
5943 pa_call (int unused ATTRIBUTE_UNUSED
)
5946 /* We must have a valid space and subspace. */
5947 pa_check_current_space_and_subspace ();
5950 pa_call_args (&last_call_desc
);
5951 demand_empty_rest_of_line ();
5955 /* Build an entry in the UNWIND subspace from the given function
5956 attributes in CALL_INFO. This is not needed for SOM as using
5957 R_ENTRY and R_EXIT relocations allow the linker to handle building
5958 of the unwind spaces. */
5961 pa_build_unwind_subspace (struct call_info
*call_info
)
5963 asection
*seg
, *save_seg
;
5964 subsegT save_subseg
;
5965 unsigned int unwind
;
5970 if ((bfd_get_section_flags (stdoutput
, now_seg
)
5971 & (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
5972 != (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
5975 if (call_info
->start_symbol
== NULL
)
5976 /* This can happen if there were errors earlier on in the assembly. */
5979 /* Replace the start symbol with a local symbol that will be reduced
5980 to a section offset. This avoids problems with weak functions with
5981 multiple definitions, etc. */
5982 name
= xmalloc (strlen ("L$\001start_")
5983 + strlen (S_GET_NAME (call_info
->start_symbol
))
5985 strcpy (name
, "L$\001start_");
5986 strcat (name
, S_GET_NAME (call_info
->start_symbol
));
5988 /* If we have a .procend preceded by a .exit, then the symbol will have
5989 already been defined. In that case, we don't want another unwind
5991 symbolP
= symbol_find (name
);
5999 symbolP
= symbol_new (name
, now_seg
,
6000 S_GET_VALUE (call_info
->start_symbol
), frag_now
);
6001 gas_assert (symbolP
);
6002 S_CLEAR_EXTERNAL (symbolP
);
6003 symbol_table_insert (symbolP
);
6006 reloc
= R_PARISC_SEGREL32
;
6008 save_subseg
= now_subseg
;
6009 /* Get into the right seg/subseg. This may involve creating
6010 the seg the first time through. Make sure to have the
6011 old seg/subseg so that we can reset things when we are done. */
6012 seg
= bfd_get_section_by_name (stdoutput
, UNWIND_SECTION_NAME
);
6013 if (seg
== ASEC_NULL
)
6015 seg
= subseg_new (UNWIND_SECTION_NAME
, 0);
6016 bfd_set_section_flags (stdoutput
, seg
,
6017 SEC_READONLY
| SEC_HAS_CONTENTS
6018 | SEC_LOAD
| SEC_RELOC
| SEC_ALLOC
| SEC_DATA
);
6019 bfd_set_section_alignment (stdoutput
, seg
, 2);
6022 subseg_set (seg
, 0);
6024 /* Get some space to hold relocation information for the unwind
6028 /* Relocation info. for start offset of the function. */
6029 md_number_to_chars (p
, 0, 4);
6030 fix_new_hppa (frag_now
, p
- frag_now
->fr_literal
, 4,
6031 symbolP
, (offsetT
) 0,
6032 (expressionS
*) NULL
, 0, reloc
,
6035 /* Relocation info. for end offset of the function.
6037 Because we allow reductions of 32bit relocations for ELF, this will be
6038 reduced to section_sym + offset which avoids putting the temporary
6039 symbol into the symbol table. It (should) end up giving the same
6040 value as call_info->start_symbol + function size once the linker is
6041 finished with its work. */
6042 md_number_to_chars (p
+ 4, 0, 4);
6043 fix_new_hppa (frag_now
, p
+ 4 - frag_now
->fr_literal
, 4,
6044 call_info
->end_symbol
, (offsetT
) 0,
6045 (expressionS
*) NULL
, 0, reloc
,
6048 /* Dump the descriptor. */
6049 unwind
= UNWIND_LOW32 (&call_info
->ci_unwind
.descriptor
);
6050 md_number_to_chars (p
+ 8, unwind
, 4);
6052 unwind
= UNWIND_HIGH32 (&call_info
->ci_unwind
.descriptor
);
6053 md_number_to_chars (p
+ 12, unwind
, 4);
6055 /* Return back to the original segment/subsegment. */
6056 subseg_set (save_seg
, save_subseg
);
6060 /* Process a .CALLINFO pseudo-op. This information is used later
6061 to build unwind descriptors and maybe one day to support
6062 .ENTER and .LEAVE. */
6065 pa_callinfo (int unused ATTRIBUTE_UNUSED
)
6071 /* We must have a valid space and subspace. */
6072 pa_check_current_space_and_subspace ();
6075 /* .CALLINFO must appear within a procedure definition. */
6076 if (!within_procedure
)
6077 as_bad (_(".callinfo is not within a procedure definition"));
6079 /* Mark the fact that we found the .CALLINFO for the
6080 current procedure. */
6081 callinfo_found
= TRUE
;
6083 /* Iterate over the .CALLINFO arguments. */
6084 while (!is_end_of_statement ())
6086 name
= input_line_pointer
;
6087 c
= get_symbol_end ();
6088 /* Frame size specification. */
6089 if ((strncasecmp (name
, "frame", 5) == 0))
6091 p
= input_line_pointer
;
6093 input_line_pointer
++;
6094 temp
= get_absolute_expression ();
6095 if ((temp
& 0x3) != 0)
6097 as_bad (_("FRAME parameter must be a multiple of 8: %d\n"), temp
);
6101 /* callinfo is in bytes and unwind_desc is in 8 byte units. */
6102 last_call_info
->ci_unwind
.descriptor
.frame_size
= temp
/ 8;
6105 /* Entry register (GR, GR and SR) specifications. */
6106 else if ((strncasecmp (name
, "entry_gr", 8) == 0))
6108 p
= input_line_pointer
;
6110 input_line_pointer
++;
6111 temp
= get_absolute_expression ();
6112 /* The HP assembler accepts 19 as the high bound for ENTRY_GR
6113 even though %r19 is caller saved. I think this is a bug in
6114 the HP assembler, and we are not going to emulate it. */
6115 if (temp
< 3 || temp
> 18)
6116 as_bad (_("Value for ENTRY_GR must be in the range 3..18\n"));
6117 last_call_info
->ci_unwind
.descriptor
.entry_gr
= temp
- 2;
6119 else if ((strncasecmp (name
, "entry_fr", 8) == 0))
6121 p
= input_line_pointer
;
6123 input_line_pointer
++;
6124 temp
= get_absolute_expression ();
6125 /* Similarly the HP assembler takes 31 as the high bound even
6126 though %fr21 is the last callee saved floating point register. */
6127 if (temp
< 12 || temp
> 21)
6128 as_bad (_("Value for ENTRY_FR must be in the range 12..21\n"));
6129 last_call_info
->ci_unwind
.descriptor
.entry_fr
= temp
- 11;
6131 else if ((strncasecmp (name
, "entry_sr", 8) == 0))
6133 p
= input_line_pointer
;
6135 input_line_pointer
++;
6136 temp
= get_absolute_expression ();
6138 as_bad (_("Value for ENTRY_SR must be 3\n"));
6140 /* Note whether or not this function performs any calls. */
6141 else if ((strncasecmp (name
, "calls", 5) == 0) ||
6142 (strncasecmp (name
, "caller", 6) == 0))
6144 p
= input_line_pointer
;
6147 else if ((strncasecmp (name
, "no_calls", 8) == 0))
6149 p
= input_line_pointer
;
6152 /* Should RP be saved into the stack. */
6153 else if ((strncasecmp (name
, "save_rp", 7) == 0))
6155 p
= input_line_pointer
;
6157 last_call_info
->ci_unwind
.descriptor
.save_rp
= 1;
6159 /* Likewise for SP. */
6160 else if ((strncasecmp (name
, "save_sp", 7) == 0))
6162 p
= input_line_pointer
;
6164 last_call_info
->ci_unwind
.descriptor
.save_sp
= 1;
6166 /* Is this an unwindable procedure. If so mark it so
6167 in the unwind descriptor. */
6168 else if ((strncasecmp (name
, "no_unwind", 9) == 0))
6170 p
= input_line_pointer
;
6172 last_call_info
->ci_unwind
.descriptor
.cannot_unwind
= 1;
6174 /* Is this an interrupt routine. If so mark it in the
6175 unwind descriptor. */
6176 else if ((strncasecmp (name
, "hpux_int", 7) == 0))
6178 p
= input_line_pointer
;
6180 last_call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 1;
6182 /* Is this a millicode routine. "millicode" isn't in my
6183 assembler manual, but my copy is old. The HP assembler
6184 accepts it, and there's a place in the unwind descriptor
6185 to drop the information, so we'll accept it too. */
6186 else if ((strncasecmp (name
, "millicode", 9) == 0))
6188 p
= input_line_pointer
;
6190 last_call_info
->ci_unwind
.descriptor
.millicode
= 1;
6194 as_bad (_("Invalid .CALLINFO argument: %s"), name
);
6195 *input_line_pointer
= c
;
6197 if (!is_end_of_statement ())
6198 input_line_pointer
++;
6201 demand_empty_rest_of_line ();
6204 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
6205 /* Switch to the text space. Like s_text, but delete our
6206 label when finished. */
6209 pa_text (int unused ATTRIBUTE_UNUSED
)
6212 current_space
= is_defined_space ("$TEXT$");
6214 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6218 pa_undefine_label ();
6221 /* Switch to the data space. As usual delete our label. */
6224 pa_data (int unused ATTRIBUTE_UNUSED
)
6227 current_space
= is_defined_space ("$PRIVATE$");
6229 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6232 pa_undefine_label ();
6235 /* This is different than the standard GAS s_comm(). On HP9000/800 machines,
6236 the .comm pseudo-op has the following syntax:
6238 <label> .comm <length>
6240 where <label> is optional and is a symbol whose address will be the start of
6241 a block of memory <length> bytes long. <length> must be an absolute
6242 expression. <length> bytes will be allocated in the current space
6245 Also note the label may not even be on the same line as the .comm.
6247 This difference in syntax means the colon function will be called
6248 on the symbol before we arrive in pa_comm. colon will set a number
6249 of attributes of the symbol that need to be fixed here. In particular
6250 the value, section pointer, fragment pointer, flags, etc. What
6253 This also makes error detection all but impossible. */
6256 pa_comm (int unused ATTRIBUTE_UNUSED
)
6260 label_symbol_struct
*label_symbol
= pa_get_label ();
6263 symbol
= label_symbol
->lss_label
;
6268 size
= get_absolute_expression ();
6272 symbol_get_bfdsym (symbol
)->flags
|= BSF_OBJECT
;
6273 S_SET_VALUE (symbol
, size
);
6274 S_SET_SEGMENT (symbol
, bfd_com_section_ptr
);
6275 S_SET_EXTERNAL (symbol
);
6277 /* colon() has already set the frag to the current location in the
6278 current subspace; we need to reset the fragment to the zero address
6279 fragment. We also need to reset the segment pointer. */
6280 symbol_set_frag (symbol
, &zero_address_frag
);
6282 demand_empty_rest_of_line ();
6284 #endif /* !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))) */
6286 /* Process a .END pseudo-op. */
6289 pa_end (int unused ATTRIBUTE_UNUSED
)
6291 demand_empty_rest_of_line ();
6294 /* Process a .ENTER pseudo-op. This is not supported. */
6297 pa_enter (int unused ATTRIBUTE_UNUSED
)
6300 /* We must have a valid space and subspace. */
6301 pa_check_current_space_and_subspace ();
6304 as_bad (_("The .ENTER pseudo-op is not supported"));
6305 demand_empty_rest_of_line ();
6308 /* Process a .ENTRY pseudo-op. .ENTRY marks the beginning of the
6312 pa_entry (int unused ATTRIBUTE_UNUSED
)
6315 /* We must have a valid space and subspace. */
6316 pa_check_current_space_and_subspace ();
6319 if (!within_procedure
)
6320 as_bad (_("Misplaced .entry. Ignored."));
6323 if (!callinfo_found
)
6324 as_bad (_("Missing .callinfo."));
6326 demand_empty_rest_of_line ();
6327 within_entry_exit
= TRUE
;
6330 /* SOM defers building of unwind descriptors until the link phase.
6331 The assembler is responsible for creating an R_ENTRY relocation
6332 to mark the beginning of a region and hold the unwind bits, and
6333 for creating an R_EXIT relocation to mark the end of the region.
6335 FIXME. ELF should be using the same conventions! The problem
6336 is an unwind requires too much relocation space. Hmmm. Maybe
6337 if we split the unwind bits up between the relocations which
6338 denote the entry and exit points. */
6339 if (last_call_info
->start_symbol
!= NULL
)
6344 where
= frag_more (0);
6345 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
6346 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6347 NULL
, (offsetT
) 0, NULL
,
6348 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
6353 /* Silly nonsense for pa_equ. The only half-sensible use for this is
6354 being able to subtract two register symbols that specify a range of
6355 registers, to get the size of the range. */
6356 static int fudge_reg_expressions
;
6359 hppa_force_reg_syms_absolute (expressionS
*resultP
,
6360 operatorT op ATTRIBUTE_UNUSED
,
6361 expressionS
*rightP
)
6363 if (fudge_reg_expressions
6364 && rightP
->X_op
== O_register
6365 && resultP
->X_op
== O_register
)
6367 rightP
->X_op
= O_constant
;
6368 resultP
->X_op
= O_constant
;
6370 return 0; /* Continue normal expr handling. */
6373 /* Handle a .EQU pseudo-op. */
6378 label_symbol_struct
*label_symbol
= pa_get_label ();
6383 symbol
= label_symbol
->lss_label
;
6387 if (!pa_parse_number (&input_line_pointer
, 0))
6388 as_bad (_(".REG expression must be a register"));
6389 S_SET_VALUE (symbol
, pa_number
);
6390 S_SET_SEGMENT (symbol
, reg_section
);
6397 fudge_reg_expressions
= 1;
6398 seg
= expression (&exp
);
6399 fudge_reg_expressions
= 0;
6400 if (exp
.X_op
!= O_constant
6401 && exp
.X_op
!= O_register
)
6403 if (exp
.X_op
!= O_absent
)
6404 as_bad (_("bad or irreducible absolute expression; zero assumed"));
6405 exp
.X_add_number
= 0;
6406 seg
= absolute_section
;
6408 S_SET_VALUE (symbol
, (unsigned int) exp
.X_add_number
);
6409 S_SET_SEGMENT (symbol
, seg
);
6415 as_bad (_(".REG must use a label"));
6417 as_bad (_(".EQU must use a label"));
6420 pa_undefine_label ();
6421 demand_empty_rest_of_line ();
6425 /* Mark the end of a function so that it's possible to compute
6426 the size of the function in elf_hppa_final_processing. */
6429 hppa_elf_mark_end_of_function (void)
6431 /* ELF does not have EXIT relocations. All we do is create a
6432 temporary symbol marking the end of the function. */
6435 if (last_call_info
== NULL
|| last_call_info
->start_symbol
== NULL
)
6437 /* We have already warned about a missing label,
6438 or other problems. */
6442 name
= xmalloc (strlen ("L$\001end_")
6443 + strlen (S_GET_NAME (last_call_info
->start_symbol
))
6449 strcpy (name
, "L$\001end_");
6450 strcat (name
, S_GET_NAME (last_call_info
->start_symbol
));
6452 /* If we have a .exit followed by a .procend, then the
6453 symbol will have already been defined. */
6454 symbolP
= symbol_find (name
);
6457 /* The symbol has already been defined! This can
6458 happen if we have a .exit followed by a .procend.
6460 This is *not* an error. All we want to do is free
6461 the memory we just allocated for the name and continue. */
6466 /* symbol value should be the offset of the
6467 last instruction of the function */
6468 symbolP
= symbol_new (name
, now_seg
, (valueT
) (frag_now_fix () - 4),
6471 gas_assert (symbolP
);
6472 S_CLEAR_EXTERNAL (symbolP
);
6473 symbol_table_insert (symbolP
);
6477 last_call_info
->end_symbol
= symbolP
;
6479 as_bad (_("Symbol '%s' could not be created."), name
);
6483 as_bad (_("No memory for symbol name."));
6487 /* Helper function. Does processing for the end of a function. This
6488 usually involves creating some relocations or building special
6489 symbols to mark the end of the function. */
6496 where
= frag_more (0);
6499 /* Mark the end of the function, stuff away the location of the frag
6500 for the end of the function, and finally call pa_build_unwind_subspace
6501 to add an entry in the unwind table. */
6503 hppa_elf_mark_end_of_function ();
6504 pa_build_unwind_subspace (last_call_info
);
6506 /* SOM defers building of unwind descriptors until the link phase.
6507 The assembler is responsible for creating an R_ENTRY relocation
6508 to mark the beginning of a region and hold the unwind bits, and
6509 for creating an R_EXIT relocation to mark the end of the region.
6511 FIXME. ELF should be using the same conventions! The problem
6512 is an unwind requires too much relocation space. Hmmm. Maybe
6513 if we split the unwind bits up between the relocations which
6514 denote the entry and exit points. */
6515 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6517 NULL
, 0, R_HPPA_EXIT
, e_fsel
, 0, 0,
6518 UNWIND_HIGH32 (&last_call_info
->ci_unwind
.descriptor
));
6522 /* Process a .EXIT pseudo-op. */
6525 pa_exit (int unused ATTRIBUTE_UNUSED
)
6528 /* We must have a valid space and subspace. */
6529 pa_check_current_space_and_subspace ();
6532 if (!within_procedure
)
6533 as_bad (_(".EXIT must appear within a procedure"));
6536 if (!callinfo_found
)
6537 as_bad (_("Missing .callinfo"));
6540 if (!within_entry_exit
)
6541 as_bad (_("No .ENTRY for this .EXIT"));
6544 within_entry_exit
= FALSE
;
6549 demand_empty_rest_of_line ();
6552 /* Helper function to process arguments to a .EXPORT pseudo-op. */
6555 pa_type_args (symbolS
*symbolP
, int is_export
)
6558 unsigned int temp
, arg_reloc
;
6559 pa_symbol_type type
= SYMBOL_TYPE_UNKNOWN
;
6560 asymbol
*bfdsym
= symbol_get_bfdsym (symbolP
);
6562 if (strncasecmp (input_line_pointer
, "absolute", 8) == 0)
6564 input_line_pointer
+= 8;
6565 bfdsym
->flags
&= ~BSF_FUNCTION
;
6566 S_SET_SEGMENT (symbolP
, bfd_abs_section_ptr
);
6567 type
= SYMBOL_TYPE_ABSOLUTE
;
6569 else if (strncasecmp (input_line_pointer
, "code", 4) == 0)
6571 input_line_pointer
+= 4;
6572 /* IMPORTing/EXPORTing CODE types for functions is meaningless for SOM,
6573 instead one should be IMPORTing/EXPORTing ENTRY types.
6575 Complain if one tries to EXPORT a CODE type since that's never
6576 done. Both GCC and HP C still try to IMPORT CODE types, so
6577 silently fix them to be ENTRY types. */
6578 if (S_IS_FUNCTION (symbolP
))
6581 as_tsktsk (_("Using ENTRY rather than CODE in export directive for %s"),
6582 S_GET_NAME (symbolP
));
6584 bfdsym
->flags
|= BSF_FUNCTION
;
6585 type
= SYMBOL_TYPE_ENTRY
;
6589 bfdsym
->flags
&= ~BSF_FUNCTION
;
6590 type
= SYMBOL_TYPE_CODE
;
6593 else if (strncasecmp (input_line_pointer
, "data", 4) == 0)
6595 input_line_pointer
+= 4;
6596 bfdsym
->flags
&= ~BSF_FUNCTION
;
6597 bfdsym
->flags
|= BSF_OBJECT
;
6598 type
= SYMBOL_TYPE_DATA
;
6600 else if ((strncasecmp (input_line_pointer
, "entry", 5) == 0))
6602 input_line_pointer
+= 5;
6603 bfdsym
->flags
|= BSF_FUNCTION
;
6604 type
= SYMBOL_TYPE_ENTRY
;
6606 else if (strncasecmp (input_line_pointer
, "millicode", 9) == 0)
6608 input_line_pointer
+= 9;
6609 bfdsym
->flags
|= BSF_FUNCTION
;
6612 elf_symbol_type
*elfsym
= (elf_symbol_type
*) bfdsym
;
6613 elfsym
->internal_elf_sym
.st_info
=
6614 ELF_ST_INFO (ELF_ST_BIND (elfsym
->internal_elf_sym
.st_info
),
6618 type
= SYMBOL_TYPE_MILLICODE
;
6620 else if (strncasecmp (input_line_pointer
, "plabel", 6) == 0)
6622 input_line_pointer
+= 6;
6623 bfdsym
->flags
&= ~BSF_FUNCTION
;
6624 type
= SYMBOL_TYPE_PLABEL
;
6626 else if (strncasecmp (input_line_pointer
, "pri_prog", 8) == 0)
6628 input_line_pointer
+= 8;
6629 bfdsym
->flags
|= BSF_FUNCTION
;
6630 type
= SYMBOL_TYPE_PRI_PROG
;
6632 else if (strncasecmp (input_line_pointer
, "sec_prog", 8) == 0)
6634 input_line_pointer
+= 8;
6635 bfdsym
->flags
|= BSF_FUNCTION
;
6636 type
= SYMBOL_TYPE_SEC_PROG
;
6639 /* SOM requires much more information about symbol types
6640 than BFD understands. This is how we get this information
6641 to the SOM BFD backend. */
6642 #ifdef obj_set_symbol_type
6643 obj_set_symbol_type (bfdsym
, (int) type
);
6648 /* Now that the type of the exported symbol has been handled,
6649 handle any argument relocation information. */
6650 while (!is_end_of_statement ())
6652 if (*input_line_pointer
== ',')
6653 input_line_pointer
++;
6654 name
= input_line_pointer
;
6655 c
= get_symbol_end ();
6656 /* Argument sources. */
6657 if ((strncasecmp (name
, "argw", 4) == 0))
6659 p
= input_line_pointer
;
6661 input_line_pointer
++;
6662 temp
= atoi (name
+ 4);
6663 name
= input_line_pointer
;
6664 c
= get_symbol_end ();
6665 arg_reloc
= pa_align_arg_reloc (temp
, pa_build_arg_reloc (name
));
6666 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6667 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6671 *input_line_pointer
= c
;
6673 /* The return value. */
6674 else if ((strncasecmp (name
, "rtnval", 6)) == 0)
6676 p
= input_line_pointer
;
6678 input_line_pointer
++;
6679 name
= input_line_pointer
;
6680 c
= get_symbol_end ();
6681 arg_reloc
= pa_build_arg_reloc (name
);
6682 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6683 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6687 *input_line_pointer
= c
;
6689 /* Privilege level. */
6690 else if ((strncasecmp (name
, "priv_lev", 8)) == 0)
6692 p
= input_line_pointer
;
6694 input_line_pointer
++;
6695 temp
= atoi (input_line_pointer
);
6697 ((obj_symbol_type
*) bfdsym
)->tc_data
.ap
.hppa_priv_level
= temp
;
6699 c
= get_symbol_end ();
6700 *input_line_pointer
= c
;
6704 as_bad (_("Undefined .EXPORT/.IMPORT argument (ignored): %s"), name
);
6705 p
= input_line_pointer
;
6708 if (!is_end_of_statement ())
6709 input_line_pointer
++;
6713 /* Process a .EXPORT directive. This makes functions external
6714 and provides information such as argument relocation entries
6718 pa_export (int unused ATTRIBUTE_UNUSED
)
6723 name
= input_line_pointer
;
6724 c
= get_symbol_end ();
6725 /* Make sure the given symbol exists. */
6726 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6728 as_bad (_("Cannot define export symbol: %s\n"), name
);
6729 p
= input_line_pointer
;
6731 input_line_pointer
++;
6735 /* OK. Set the external bits and process argument relocations.
6736 For the HP, weak and global are not mutually exclusive.
6737 S_SET_EXTERNAL will not set BSF_GLOBAL if WEAK is set.
6738 Call S_SET_EXTERNAL to get the other processing. Manually
6739 set BSF_GLOBAL when we get back. */
6740 S_SET_EXTERNAL (symbol
);
6741 symbol_get_bfdsym (symbol
)->flags
|= BSF_GLOBAL
;
6742 p
= input_line_pointer
;
6744 if (!is_end_of_statement ())
6746 input_line_pointer
++;
6747 pa_type_args (symbol
, 1);
6751 demand_empty_rest_of_line ();
6754 /* Handle an .IMPORT pseudo-op. Any symbol referenced in a given
6755 assembly file must either be defined in the assembly file, or
6756 explicitly IMPORTED from another. */
6759 pa_import (int unused ATTRIBUTE_UNUSED
)
6764 name
= input_line_pointer
;
6765 c
= get_symbol_end ();
6767 symbol
= symbol_find (name
);
6768 /* Ugh. We might be importing a symbol defined earlier in the file,
6769 in which case all the code below will really screw things up
6770 (set the wrong segment, symbol flags & type, etc). */
6771 if (symbol
== NULL
|| !S_IS_DEFINED (symbol
))
6773 symbol
= symbol_find_or_make (name
);
6774 p
= input_line_pointer
;
6777 if (!is_end_of_statement ())
6779 input_line_pointer
++;
6780 pa_type_args (symbol
, 0);
6784 /* Sigh. To be compatible with the HP assembler and to help
6785 poorly written assembly code, we assign a type based on
6786 the current segment. Note only BSF_FUNCTION really
6787 matters, we do not need to set the full SYMBOL_TYPE_* info. */
6788 if (now_seg
== text_section
)
6789 symbol_get_bfdsym (symbol
)->flags
|= BSF_FUNCTION
;
6791 /* If the section is undefined, then the symbol is undefined
6792 Since this is an import, leave the section undefined. */
6793 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
6798 /* The symbol was already defined. Just eat everything up to
6799 the end of the current statement. */
6800 while (!is_end_of_statement ())
6801 input_line_pointer
++;
6804 demand_empty_rest_of_line ();
6807 /* Handle a .LABEL pseudo-op. */
6810 pa_label (int unused ATTRIBUTE_UNUSED
)
6814 name
= input_line_pointer
;
6815 c
= get_symbol_end ();
6817 if (strlen (name
) > 0)
6820 p
= input_line_pointer
;
6825 as_warn (_("Missing label name on .LABEL"));
6828 if (!is_end_of_statement ())
6830 as_warn (_("extra .LABEL arguments ignored."));
6831 ignore_rest_of_line ();
6833 demand_empty_rest_of_line ();
6836 /* Handle a .LEAVE pseudo-op. This is not supported yet. */
6839 pa_leave (int unused ATTRIBUTE_UNUSED
)
6842 /* We must have a valid space and subspace. */
6843 pa_check_current_space_and_subspace ();
6846 as_bad (_("The .LEAVE pseudo-op is not supported"));
6847 demand_empty_rest_of_line ();
6850 /* Handle a .LEVEL pseudo-op. */
6853 pa_level (int unused ATTRIBUTE_UNUSED
)
6857 level
= input_line_pointer
;
6858 if (strncmp (level
, "1.0", 3) == 0)
6860 input_line_pointer
+= 3;
6861 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 10))
6862 as_warn (_("could not set architecture and machine"));
6864 else if (strncmp (level
, "1.1", 3) == 0)
6866 input_line_pointer
+= 3;
6867 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 11))
6868 as_warn (_("could not set architecture and machine"));
6870 else if (strncmp (level
, "2.0w", 4) == 0)
6872 input_line_pointer
+= 4;
6873 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 25))
6874 as_warn (_("could not set architecture and machine"));
6876 else if (strncmp (level
, "2.0", 3) == 0)
6878 input_line_pointer
+= 3;
6879 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 20))
6880 as_warn (_("could not set architecture and machine"));
6884 as_bad (_("Unrecognized .LEVEL argument\n"));
6885 ignore_rest_of_line ();
6887 demand_empty_rest_of_line ();
6890 /* Handle a .ORIGIN pseudo-op. */
6893 pa_origin (int unused ATTRIBUTE_UNUSED
)
6896 /* We must have a valid space and subspace. */
6897 pa_check_current_space_and_subspace ();
6901 pa_undefine_label ();
6904 /* Handle a .PARAM pseudo-op. This is much like a .EXPORT, except it
6905 is for static functions. FIXME. Should share more code with .EXPORT. */
6908 pa_param (int unused ATTRIBUTE_UNUSED
)
6913 name
= input_line_pointer
;
6914 c
= get_symbol_end ();
6916 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6918 as_bad (_("Cannot define static symbol: %s\n"), name
);
6919 p
= input_line_pointer
;
6921 input_line_pointer
++;
6925 S_CLEAR_EXTERNAL (symbol
);
6926 p
= input_line_pointer
;
6928 if (!is_end_of_statement ())
6930 input_line_pointer
++;
6931 pa_type_args (symbol
, 0);
6935 demand_empty_rest_of_line ();
6938 /* Handle a .PROC pseudo-op. It is used to mark the beginning
6939 of a procedure from a syntactical point of view. */
6942 pa_proc (int unused ATTRIBUTE_UNUSED
)
6944 struct call_info
*call_info
;
6947 /* We must have a valid space and subspace. */
6948 pa_check_current_space_and_subspace ();
6951 if (within_procedure
)
6952 as_fatal (_("Nested procedures"));
6954 /* Reset global variables for new procedure. */
6955 callinfo_found
= FALSE
;
6956 within_procedure
= TRUE
;
6958 /* Create another call_info structure. */
6959 call_info
= xmalloc (sizeof (struct call_info
));
6962 as_fatal (_("Cannot allocate unwind descriptor\n"));
6964 memset (call_info
, 0, sizeof (struct call_info
));
6966 call_info
->ci_next
= NULL
;
6968 if (call_info_root
== NULL
)
6970 call_info_root
= call_info
;
6971 last_call_info
= call_info
;
6975 last_call_info
->ci_next
= call_info
;
6976 last_call_info
= call_info
;
6979 /* set up defaults on call_info structure */
6981 call_info
->ci_unwind
.descriptor
.cannot_unwind
= 0;
6982 call_info
->ci_unwind
.descriptor
.region_desc
= 1;
6983 call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 0;
6985 /* If we got a .PROC pseudo-op, we know that the function is defined
6986 locally. Make sure it gets into the symbol table. */
6988 label_symbol_struct
*label_symbol
= pa_get_label ();
6992 if (label_symbol
->lss_label
)
6994 last_call_info
->start_symbol
= label_symbol
->lss_label
;
6995 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
|= BSF_FUNCTION
;
6998 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7001 last_call_info
->start_symbol
= NULL
;
7004 demand_empty_rest_of_line ();
7007 /* Process the syntactical end of a procedure. Make sure all the
7008 appropriate pseudo-ops were found within the procedure. */
7011 pa_procend (int unused ATTRIBUTE_UNUSED
)
7014 /* We must have a valid space and subspace. */
7015 pa_check_current_space_and_subspace ();
7018 /* If we are within a procedure definition, make sure we've
7019 defined a label for the procedure; handle case where the
7020 label was defined after the .PROC directive.
7022 Note there's not need to diddle with the segment or fragment
7023 for the label symbol in this case. We have already switched
7024 into the new $CODE$ subspace at this point. */
7025 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
7027 label_symbol_struct
*label_symbol
= pa_get_label ();
7031 if (label_symbol
->lss_label
)
7033 last_call_info
->start_symbol
= label_symbol
->lss_label
;
7034 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
7037 /* Also handle allocation of a fixup to hold the unwind
7038 information when the label appears after the proc/procend. */
7039 if (within_entry_exit
)
7044 where
= frag_more (0);
7045 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
7046 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
7047 NULL
, (offsetT
) 0, NULL
,
7048 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
7053 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7056 as_bad (_("Missing function name for .PROC"));
7059 if (!within_procedure
)
7060 as_bad (_("misplaced .procend"));
7062 if (!callinfo_found
)
7063 as_bad (_("Missing .callinfo for this procedure"));
7065 if (within_entry_exit
)
7066 as_bad (_("Missing .EXIT for a .ENTRY"));
7069 /* ELF needs to mark the end of each function so that it can compute
7070 the size of the function (apparently its needed in the symbol table). */
7071 hppa_elf_mark_end_of_function ();
7074 within_procedure
= FALSE
;
7075 demand_empty_rest_of_line ();
7076 pa_undefine_label ();
7080 /* If VALUE is an exact power of two between zero and 2^31, then
7081 return log2 (VALUE). Else return -1. */
7084 exact_log2 (int value
)
7088 while ((1 << shift
) != value
&& shift
< 32)
7097 /* Check to make sure we have a valid space and subspace. */
7100 pa_check_current_space_and_subspace (void)
7102 if (current_space
== NULL
)
7103 as_fatal (_("Not in a space.\n"));
7105 if (current_subspace
== NULL
)
7106 as_fatal (_("Not in a subspace.\n"));
7109 /* Parse the parameters to a .SPACE directive; if CREATE_FLAG is nonzero,
7110 then create a new space entry to hold the information specified
7111 by the parameters to the .SPACE directive. */
7113 static sd_chain_struct
*
7114 pa_parse_space_stmt (char *space_name
, int create_flag
)
7116 char *name
, *ptemp
, c
;
7117 char loadable
, defined
, private, sort
;
7119 asection
*seg
= NULL
;
7120 sd_chain_struct
*space
;
7122 /* Load default values. */
7128 if (strcmp (space_name
, "$TEXT$") == 0)
7130 seg
= pa_def_spaces
[0].segment
;
7131 defined
= pa_def_spaces
[0].defined
;
7132 private = pa_def_spaces
[0].private;
7133 sort
= pa_def_spaces
[0].sort
;
7134 spnum
= pa_def_spaces
[0].spnum
;
7136 else if (strcmp (space_name
, "$PRIVATE$") == 0)
7138 seg
= pa_def_spaces
[1].segment
;
7139 defined
= pa_def_spaces
[1].defined
;
7140 private = pa_def_spaces
[1].private;
7141 sort
= pa_def_spaces
[1].sort
;
7142 spnum
= pa_def_spaces
[1].spnum
;
7145 if (!is_end_of_statement ())
7147 print_errors
= FALSE
;
7148 ptemp
= input_line_pointer
+ 1;
7149 /* First see if the space was specified as a number rather than
7150 as a name. According to the PA assembly manual the rest of
7151 the line should be ignored. */
7153 pa_parse_number (&ptemp
, 0);
7157 input_line_pointer
= ptemp
;
7161 while (!is_end_of_statement ())
7163 input_line_pointer
++;
7164 name
= input_line_pointer
;
7165 c
= get_symbol_end ();
7166 if ((strncasecmp (name
, "spnum", 5) == 0))
7168 *input_line_pointer
= c
;
7169 input_line_pointer
++;
7170 spnum
= get_absolute_expression ();
7172 else if ((strncasecmp (name
, "sort", 4) == 0))
7174 *input_line_pointer
= c
;
7175 input_line_pointer
++;
7176 sort
= get_absolute_expression ();
7178 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7180 *input_line_pointer
= c
;
7183 else if ((strncasecmp (name
, "notdefined", 10) == 0))
7185 *input_line_pointer
= c
;
7188 else if ((strncasecmp (name
, "private", 7) == 0))
7190 *input_line_pointer
= c
;
7195 as_bad (_("Invalid .SPACE argument"));
7196 *input_line_pointer
= c
;
7197 if (!is_end_of_statement ())
7198 input_line_pointer
++;
7202 print_errors
= TRUE
;
7205 if (create_flag
&& seg
== NULL
)
7206 seg
= subseg_new (space_name
, 0);
7208 /* If create_flag is nonzero, then create the new space with
7209 the attributes computed above. Else set the values in
7210 an already existing space -- this can only happen for
7211 the first occurrence of a built-in space. */
7213 space
= create_new_space (space_name
, spnum
, loadable
, defined
,
7214 private, sort
, seg
, 1);
7217 space
= is_defined_space (space_name
);
7218 SPACE_SPNUM (space
) = spnum
;
7219 SPACE_DEFINED (space
) = defined
& 1;
7220 SPACE_USER_DEFINED (space
) = 1;
7223 #ifdef obj_set_section_attributes
7224 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7230 /* Handle a .SPACE pseudo-op; this switches the current space to the
7231 given space, creating the new space if necessary. */
7234 pa_space (int unused ATTRIBUTE_UNUSED
)
7236 char *name
, c
, *space_name
, *save_s
;
7237 sd_chain_struct
*sd_chain
;
7239 if (within_procedure
)
7241 as_bad (_("Can\'t change spaces within a procedure definition. Ignored"));
7242 ignore_rest_of_line ();
7246 /* Check for some of the predefined spaces. FIXME: most of the code
7247 below is repeated several times, can we extract the common parts
7248 and place them into a subroutine or something similar? */
7249 /* FIXME Is this (and the next IF stmt) really right?
7250 What if INPUT_LINE_POINTER points to "$TEXT$FOO"? */
7251 if (strncmp (input_line_pointer
, "$TEXT$", 6) == 0)
7253 input_line_pointer
+= 6;
7254 sd_chain
= is_defined_space ("$TEXT$");
7255 if (sd_chain
== NULL
)
7256 sd_chain
= pa_parse_space_stmt ("$TEXT$", 1);
7257 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7258 sd_chain
= pa_parse_space_stmt ("$TEXT$", 0);
7260 current_space
= sd_chain
;
7261 subseg_set (text_section
, sd_chain
->sd_last_subseg
);
7263 = pa_subsegment_to_subspace (text_section
,
7264 sd_chain
->sd_last_subseg
);
7265 demand_empty_rest_of_line ();
7268 if (strncmp (input_line_pointer
, "$PRIVATE$", 9) == 0)
7270 input_line_pointer
+= 9;
7271 sd_chain
= is_defined_space ("$PRIVATE$");
7272 if (sd_chain
== NULL
)
7273 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 1);
7274 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7275 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 0);
7277 current_space
= sd_chain
;
7278 subseg_set (data_section
, sd_chain
->sd_last_subseg
);
7280 = pa_subsegment_to_subspace (data_section
,
7281 sd_chain
->sd_last_subseg
);
7282 demand_empty_rest_of_line ();
7285 if (!strncasecmp (input_line_pointer
,
7286 GDB_DEBUG_SPACE_NAME
,
7287 strlen (GDB_DEBUG_SPACE_NAME
)))
7289 input_line_pointer
+= strlen (GDB_DEBUG_SPACE_NAME
);
7290 sd_chain
= is_defined_space (GDB_DEBUG_SPACE_NAME
);
7291 if (sd_chain
== NULL
)
7292 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 1);
7293 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7294 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 0);
7296 current_space
= sd_chain
;
7299 asection
*gdb_section
7300 = bfd_make_section_old_way (stdoutput
, GDB_DEBUG_SPACE_NAME
);
7302 subseg_set (gdb_section
, sd_chain
->sd_last_subseg
);
7304 = pa_subsegment_to_subspace (gdb_section
,
7305 sd_chain
->sd_last_subseg
);
7307 demand_empty_rest_of_line ();
7311 /* It could be a space specified by number. */
7313 save_s
= input_line_pointer
;
7315 pa_parse_number (&input_line_pointer
, 0);
7318 if ((sd_chain
= pa_find_space_by_number (pa_number
)))
7320 current_space
= sd_chain
;
7322 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7324 = pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7325 sd_chain
->sd_last_subseg
);
7326 demand_empty_rest_of_line ();
7331 /* Not a number, attempt to create a new space. */
7333 input_line_pointer
= save_s
;
7334 name
= input_line_pointer
;
7335 c
= get_symbol_end ();
7336 space_name
= xmalloc (strlen (name
) + 1);
7337 strcpy (space_name
, name
);
7338 *input_line_pointer
= c
;
7340 sd_chain
= pa_parse_space_stmt (space_name
, 1);
7341 current_space
= sd_chain
;
7343 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7344 current_subspace
= pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7345 sd_chain
->sd_last_subseg
);
7346 demand_empty_rest_of_line ();
7350 /* Switch to a new space. (I think). FIXME. */
7353 pa_spnum (int unused ATTRIBUTE_UNUSED
)
7358 sd_chain_struct
*space
;
7360 name
= input_line_pointer
;
7361 c
= get_symbol_end ();
7362 space
= is_defined_space (name
);
7366 md_number_to_chars (p
, SPACE_SPNUM (space
), 4);
7369 as_warn (_("Undefined space: '%s' Assuming space number = 0."), name
);
7371 *input_line_pointer
= c
;
7372 demand_empty_rest_of_line ();
7375 /* Handle a .SUBSPACE pseudo-op; this switches the current subspace to the
7376 given subspace, creating the new subspace if necessary.
7378 FIXME. Should mirror pa_space more closely, in particular how
7379 they're broken up into subroutines. */
7382 pa_subspace (int create_new
)
7384 char *name
, *ss_name
, c
;
7385 char loadable
, code_only
, comdat
, common
, dup_common
, zero
, sort
;
7386 int i
, access_ctr
, space_index
, alignment
, quadrant
, applicable
, flags
;
7387 sd_chain_struct
*space
;
7388 ssd_chain_struct
*ssd
;
7391 if (current_space
== NULL
)
7392 as_fatal (_("Must be in a space before changing or declaring subspaces.\n"));
7394 if (within_procedure
)
7396 as_bad (_("Can\'t change subspaces within a procedure definition. Ignored"));
7397 ignore_rest_of_line ();
7401 name
= input_line_pointer
;
7402 c
= get_symbol_end ();
7403 ss_name
= xmalloc (strlen (name
) + 1);
7404 strcpy (ss_name
, name
);
7405 *input_line_pointer
= c
;
7407 /* Load default values. */
7420 space
= current_space
;
7424 ssd
= is_defined_subspace (ss_name
);
7425 /* Allow user to override the builtin attributes of subspaces. But
7426 only allow the attributes to be changed once! */
7427 if (ssd
&& SUBSPACE_DEFINED (ssd
))
7429 subseg_set (ssd
->ssd_seg
, ssd
->ssd_subseg
);
7430 current_subspace
= ssd
;
7431 if (!is_end_of_statement ())
7432 as_warn (_("Parameters of an existing subspace can\'t be modified"));
7433 demand_empty_rest_of_line ();
7438 /* A new subspace. Load default values if it matches one of
7439 the builtin subspaces. */
7441 while (pa_def_subspaces
[i
].name
)
7443 if (strcasecmp (pa_def_subspaces
[i
].name
, ss_name
) == 0)
7445 loadable
= pa_def_subspaces
[i
].loadable
;
7446 comdat
= pa_def_subspaces
[i
].comdat
;
7447 common
= pa_def_subspaces
[i
].common
;
7448 dup_common
= pa_def_subspaces
[i
].dup_common
;
7449 code_only
= pa_def_subspaces
[i
].code_only
;
7450 zero
= pa_def_subspaces
[i
].zero
;
7451 space_index
= pa_def_subspaces
[i
].space_index
;
7452 alignment
= pa_def_subspaces
[i
].alignment
;
7453 quadrant
= pa_def_subspaces
[i
].quadrant
;
7454 access_ctr
= pa_def_subspaces
[i
].access
;
7455 sort
= pa_def_subspaces
[i
].sort
;
7462 /* We should be working with a new subspace now. Fill in
7463 any information as specified by the user. */
7464 if (!is_end_of_statement ())
7466 input_line_pointer
++;
7467 while (!is_end_of_statement ())
7469 name
= input_line_pointer
;
7470 c
= get_symbol_end ();
7471 if ((strncasecmp (name
, "quad", 4) == 0))
7473 *input_line_pointer
= c
;
7474 input_line_pointer
++;
7475 quadrant
= get_absolute_expression ();
7477 else if ((strncasecmp (name
, "align", 5) == 0))
7479 *input_line_pointer
= c
;
7480 input_line_pointer
++;
7481 alignment
= get_absolute_expression ();
7482 if (exact_log2 (alignment
) == -1)
7484 as_bad (_("Alignment must be a power of 2"));
7488 else if ((strncasecmp (name
, "access", 6) == 0))
7490 *input_line_pointer
= c
;
7491 input_line_pointer
++;
7492 access_ctr
= get_absolute_expression ();
7494 else if ((strncasecmp (name
, "sort", 4) == 0))
7496 *input_line_pointer
= c
;
7497 input_line_pointer
++;
7498 sort
= get_absolute_expression ();
7500 else if ((strncasecmp (name
, "code_only", 9) == 0))
7502 *input_line_pointer
= c
;
7505 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7507 *input_line_pointer
= c
;
7510 else if ((strncasecmp (name
, "comdat", 6) == 0))
7512 *input_line_pointer
= c
;
7515 else if ((strncasecmp (name
, "common", 6) == 0))
7517 *input_line_pointer
= c
;
7520 else if ((strncasecmp (name
, "dup_comm", 8) == 0))
7522 *input_line_pointer
= c
;
7525 else if ((strncasecmp (name
, "zero", 4) == 0))
7527 *input_line_pointer
= c
;
7530 else if ((strncasecmp (name
, "first", 5) == 0))
7531 as_bad (_("FIRST not supported as a .SUBSPACE argument"));
7533 as_bad (_("Invalid .SUBSPACE argument"));
7534 if (!is_end_of_statement ())
7535 input_line_pointer
++;
7539 /* Compute a reasonable set of BFD flags based on the information
7540 in the .subspace directive. */
7541 applicable
= bfd_applicable_section_flags (stdoutput
);
7544 flags
|= (SEC_ALLOC
| SEC_LOAD
);
7548 /* These flags are used to implement various flavors of initialized
7549 common. The SOM linker discards duplicate subspaces when they
7550 have the same "key" symbol name. This support is more like
7551 GNU linkonce than BFD common. Further, pc-relative relocations
7552 are converted to section relative relocations in BFD common
7553 sections. This complicates the handling of relocations in
7554 common sections containing text and isn't currently supported
7555 correctly in the SOM BFD backend. */
7556 if (comdat
|| common
|| dup_common
)
7557 flags
|= SEC_LINK_ONCE
;
7559 flags
|= SEC_RELOC
| SEC_HAS_CONTENTS
;
7561 /* This is a zero-filled subspace (eg BSS). */
7563 flags
&= ~(SEC_LOAD
| SEC_HAS_CONTENTS
);
7565 applicable
&= flags
;
7567 /* If this is an existing subspace, then we want to use the
7568 segment already associated with the subspace.
7570 FIXME NOW! ELF BFD doesn't appear to be ready to deal with
7571 lots of sections. It might be a problem in the PA ELF
7572 code, I do not know yet. For now avoid creating anything
7573 but the "standard" sections for ELF. */
7575 section
= subseg_force_new (ss_name
, 0);
7577 section
= ssd
->ssd_seg
;
7579 section
= subseg_new (ss_name
, 0);
7582 seg_info (section
)->bss
= 1;
7584 /* Now set the flags. */
7585 bfd_set_section_flags (stdoutput
, section
, applicable
);
7587 /* Record any alignment request for this section. */
7588 record_alignment (section
, exact_log2 (alignment
));
7590 /* Set the starting offset for this section. */
7591 bfd_set_section_vma (stdoutput
, section
,
7592 pa_subspace_start (space
, quadrant
));
7594 /* Now that all the flags are set, update an existing subspace,
7595 or create a new one. */
7598 current_subspace
= update_subspace (space
, ss_name
, loadable
,
7599 code_only
, comdat
, common
,
7600 dup_common
, sort
, zero
, access_ctr
,
7601 space_index
, alignment
, quadrant
,
7604 current_subspace
= create_new_subspace (space
, ss_name
, loadable
,
7605 code_only
, comdat
, common
,
7606 dup_common
, zero
, sort
,
7607 access_ctr
, space_index
,
7608 alignment
, quadrant
, section
);
7610 demand_empty_rest_of_line ();
7611 current_subspace
->ssd_seg
= section
;
7612 subseg_set (current_subspace
->ssd_seg
, current_subspace
->ssd_subseg
);
7614 SUBSPACE_DEFINED (current_subspace
) = 1;
7617 /* Create default space and subspace dictionaries. */
7620 pa_spaces_begin (void)
7624 space_dict_root
= NULL
;
7625 space_dict_last
= NULL
;
7628 while (pa_def_spaces
[i
].name
)
7632 /* Pick the right name to use for the new section. */
7633 name
= pa_def_spaces
[i
].name
;
7635 pa_def_spaces
[i
].segment
= subseg_new (name
, 0);
7636 create_new_space (pa_def_spaces
[i
].name
, pa_def_spaces
[i
].spnum
,
7637 pa_def_spaces
[i
].loadable
, pa_def_spaces
[i
].defined
,
7638 pa_def_spaces
[i
].private, pa_def_spaces
[i
].sort
,
7639 pa_def_spaces
[i
].segment
, 0);
7644 while (pa_def_subspaces
[i
].name
)
7647 int applicable
, subsegment
;
7648 asection
*segment
= NULL
;
7649 sd_chain_struct
*space
;
7651 /* Pick the right name for the new section and pick the right
7652 subsegment number. */
7653 name
= pa_def_subspaces
[i
].name
;
7656 /* Create the new section. */
7657 segment
= subseg_new (name
, subsegment
);
7659 /* For SOM we want to replace the standard .text, .data, and .bss
7660 sections with our own. We also want to set BFD flags for
7661 all the built-in subspaces. */
7662 if (!strcmp (pa_def_subspaces
[i
].name
, "$CODE$"))
7664 text_section
= segment
;
7665 applicable
= bfd_applicable_section_flags (stdoutput
);
7666 bfd_set_section_flags (stdoutput
, segment
,
7667 applicable
& (SEC_ALLOC
| SEC_LOAD
7668 | SEC_RELOC
| SEC_CODE
7670 | SEC_HAS_CONTENTS
));
7672 else if (!strcmp (pa_def_subspaces
[i
].name
, "$DATA$"))
7674 data_section
= segment
;
7675 applicable
= bfd_applicable_section_flags (stdoutput
);
7676 bfd_set_section_flags (stdoutput
, segment
,
7677 applicable
& (SEC_ALLOC
| SEC_LOAD
7679 | SEC_HAS_CONTENTS
));
7682 else if (!strcmp (pa_def_subspaces
[i
].name
, "$BSS$"))
7684 bss_section
= segment
;
7685 applicable
= bfd_applicable_section_flags (stdoutput
);
7686 bfd_set_section_flags (stdoutput
, segment
,
7687 applicable
& SEC_ALLOC
);
7689 else if (!strcmp (pa_def_subspaces
[i
].name
, "$LIT$"))
7691 applicable
= bfd_applicable_section_flags (stdoutput
);
7692 bfd_set_section_flags (stdoutput
, segment
,
7693 applicable
& (SEC_ALLOC
| SEC_LOAD
7696 | SEC_HAS_CONTENTS
));
7698 else if (!strcmp (pa_def_subspaces
[i
].name
, "$MILLICODE$"))
7700 applicable
= bfd_applicable_section_flags (stdoutput
);
7701 bfd_set_section_flags (stdoutput
, segment
,
7702 applicable
& (SEC_ALLOC
| SEC_LOAD
7705 | SEC_HAS_CONTENTS
));
7707 else if (!strcmp (pa_def_subspaces
[i
].name
, "$UNWIND$"))
7709 applicable
= bfd_applicable_section_flags (stdoutput
);
7710 bfd_set_section_flags (stdoutput
, segment
,
7711 applicable
& (SEC_ALLOC
| SEC_LOAD
7714 | SEC_HAS_CONTENTS
));
7717 /* Find the space associated with this subspace. */
7718 space
= pa_segment_to_space (pa_def_spaces
[pa_def_subspaces
[i
].
7719 def_space_index
].segment
);
7722 as_fatal (_("Internal error: Unable to find containing space for %s."),
7723 pa_def_subspaces
[i
].name
);
7726 create_new_subspace (space
, name
,
7727 pa_def_subspaces
[i
].loadable
,
7728 pa_def_subspaces
[i
].code_only
,
7729 pa_def_subspaces
[i
].comdat
,
7730 pa_def_subspaces
[i
].common
,
7731 pa_def_subspaces
[i
].dup_common
,
7732 pa_def_subspaces
[i
].zero
,
7733 pa_def_subspaces
[i
].sort
,
7734 pa_def_subspaces
[i
].access
,
7735 pa_def_subspaces
[i
].space_index
,
7736 pa_def_subspaces
[i
].alignment
,
7737 pa_def_subspaces
[i
].quadrant
,
7743 /* Create a new space NAME, with the appropriate flags as defined
7744 by the given parameters. */
7746 static sd_chain_struct
*
7747 create_new_space (char *name
,
7749 int loadable ATTRIBUTE_UNUSED
,
7756 sd_chain_struct
*chain_entry
;
7758 chain_entry
= xmalloc (sizeof (sd_chain_struct
));
7760 as_fatal (_("Out of memory: could not allocate new space chain entry: %s\n"),
7763 SPACE_NAME (chain_entry
) = xmalloc (strlen (name
) + 1);
7764 strcpy (SPACE_NAME (chain_entry
), name
);
7765 SPACE_DEFINED (chain_entry
) = defined
;
7766 SPACE_USER_DEFINED (chain_entry
) = user_defined
;
7767 SPACE_SPNUM (chain_entry
) = spnum
;
7769 chain_entry
->sd_seg
= seg
;
7770 chain_entry
->sd_last_subseg
= -1;
7771 chain_entry
->sd_subspaces
= NULL
;
7772 chain_entry
->sd_next
= NULL
;
7774 /* Find spot for the new space based on its sort key. */
7775 if (!space_dict_last
)
7776 space_dict_last
= chain_entry
;
7778 if (space_dict_root
== NULL
)
7779 space_dict_root
= chain_entry
;
7782 sd_chain_struct
*chain_pointer
;
7783 sd_chain_struct
*prev_chain_pointer
;
7785 chain_pointer
= space_dict_root
;
7786 prev_chain_pointer
= NULL
;
7788 while (chain_pointer
)
7790 prev_chain_pointer
= chain_pointer
;
7791 chain_pointer
= chain_pointer
->sd_next
;
7794 /* At this point we've found the correct place to add the new
7795 entry. So add it and update the linked lists as appropriate. */
7796 if (prev_chain_pointer
)
7798 chain_entry
->sd_next
= chain_pointer
;
7799 prev_chain_pointer
->sd_next
= chain_entry
;
7803 space_dict_root
= chain_entry
;
7804 chain_entry
->sd_next
= chain_pointer
;
7807 if (chain_entry
->sd_next
== NULL
)
7808 space_dict_last
= chain_entry
;
7811 /* This is here to catch predefined spaces which do not get
7812 modified by the user's input. Another call is found at
7813 the bottom of pa_parse_space_stmt to handle cases where
7814 the user modifies a predefined space. */
7815 #ifdef obj_set_section_attributes
7816 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7822 /* Create a new subspace NAME, with the appropriate flags as defined
7823 by the given parameters.
7825 Add the new subspace to the subspace dictionary chain in numerical
7826 order as defined by the SORT entries. */
7828 static ssd_chain_struct
*
7829 create_new_subspace (sd_chain_struct
*space
,
7831 int loadable ATTRIBUTE_UNUSED
,
7832 int code_only ATTRIBUTE_UNUSED
,
7836 int is_zero ATTRIBUTE_UNUSED
,
7839 int space_index ATTRIBUTE_UNUSED
,
7840 int alignment ATTRIBUTE_UNUSED
,
7844 ssd_chain_struct
*chain_entry
;
7846 chain_entry
= xmalloc (sizeof (ssd_chain_struct
));
7848 as_fatal (_("Out of memory: could not allocate new subspace chain entry: %s\n"), name
);
7850 SUBSPACE_NAME (chain_entry
) = xmalloc (strlen (name
) + 1);
7851 strcpy (SUBSPACE_NAME (chain_entry
), name
);
7853 /* Initialize subspace_defined. When we hit a .subspace directive
7854 we'll set it to 1 which "locks-in" the subspace attributes. */
7855 SUBSPACE_DEFINED (chain_entry
) = 0;
7857 chain_entry
->ssd_subseg
= 0;
7858 chain_entry
->ssd_seg
= seg
;
7859 chain_entry
->ssd_next
= NULL
;
7861 /* Find spot for the new subspace based on its sort key. */
7862 if (space
->sd_subspaces
== NULL
)
7863 space
->sd_subspaces
= chain_entry
;
7866 ssd_chain_struct
*chain_pointer
;
7867 ssd_chain_struct
*prev_chain_pointer
;
7869 chain_pointer
= space
->sd_subspaces
;
7870 prev_chain_pointer
= NULL
;
7872 while (chain_pointer
)
7874 prev_chain_pointer
= chain_pointer
;
7875 chain_pointer
= chain_pointer
->ssd_next
;
7878 /* Now we have somewhere to put the new entry. Insert it and update
7880 if (prev_chain_pointer
)
7882 chain_entry
->ssd_next
= chain_pointer
;
7883 prev_chain_pointer
->ssd_next
= chain_entry
;
7887 space
->sd_subspaces
= chain_entry
;
7888 chain_entry
->ssd_next
= chain_pointer
;
7892 #ifdef obj_set_subsection_attributes
7893 obj_set_subsection_attributes (seg
, space
->sd_seg
, access_ctr
, sort
,
7894 quadrant
, comdat
, common
, dup_common
);
7900 /* Update the information for the given subspace based upon the
7901 various arguments. Return the modified subspace chain entry. */
7903 static ssd_chain_struct
*
7904 update_subspace (sd_chain_struct
*space
,
7906 int loadable ATTRIBUTE_UNUSED
,
7907 int code_only ATTRIBUTE_UNUSED
,
7912 int zero ATTRIBUTE_UNUSED
,
7914 int space_index ATTRIBUTE_UNUSED
,
7915 int alignment ATTRIBUTE_UNUSED
,
7919 ssd_chain_struct
*chain_entry
;
7921 chain_entry
= is_defined_subspace (name
);
7923 #ifdef obj_set_subsection_attributes
7924 obj_set_subsection_attributes (section
, space
->sd_seg
, access_ctr
, sort
,
7925 quadrant
, comdat
, common
, dup_common
);
7931 /* Return the space chain entry for the space with the name NAME or
7932 NULL if no such space exists. */
7934 static sd_chain_struct
*
7935 is_defined_space (char *name
)
7937 sd_chain_struct
*chain_pointer
;
7939 for (chain_pointer
= space_dict_root
;
7941 chain_pointer
= chain_pointer
->sd_next
)
7942 if (strcmp (SPACE_NAME (chain_pointer
), name
) == 0)
7943 return chain_pointer
;
7945 /* No mapping from segment to space was found. Return NULL. */
7949 /* Find and return the space associated with the given seg. If no mapping
7950 from the given seg to a space is found, then return NULL.
7952 Unlike subspaces, the number of spaces is not expected to grow much,
7953 so a linear exhaustive search is OK here. */
7955 static sd_chain_struct
*
7956 pa_segment_to_space (asection
*seg
)
7958 sd_chain_struct
*space_chain
;
7960 /* Walk through each space looking for the correct mapping. */
7961 for (space_chain
= space_dict_root
;
7963 space_chain
= space_chain
->sd_next
)
7964 if (space_chain
->sd_seg
== seg
)
7967 /* Mapping was not found. Return NULL. */
7971 /* Return the first space chain entry for the subspace with the name
7972 NAME or NULL if no such subspace exists.
7974 When there are multiple subspaces with the same name, switching to
7975 the first (i.e., default) subspace is preferable in most situations.
7976 For example, it wouldn't be desirable to merge COMDAT data with non
7979 Uses a linear search through all the spaces and subspaces, this may
7980 not be appropriate if we ever being placing each function in its
7983 static ssd_chain_struct
*
7984 is_defined_subspace (char *name
)
7986 sd_chain_struct
*space_chain
;
7987 ssd_chain_struct
*subspace_chain
;
7989 /* Walk through each space. */
7990 for (space_chain
= space_dict_root
;
7992 space_chain
= space_chain
->sd_next
)
7994 /* Walk through each subspace looking for a name which matches. */
7995 for (subspace_chain
= space_chain
->sd_subspaces
;
7997 subspace_chain
= subspace_chain
->ssd_next
)
7998 if (strcmp (SUBSPACE_NAME (subspace_chain
), name
) == 0)
7999 return subspace_chain
;
8002 /* Subspace wasn't found. Return NULL. */
8006 /* Find and return the subspace associated with the given seg. If no
8007 mapping from the given seg to a subspace is found, then return NULL.
8009 If we ever put each procedure/function within its own subspace
8010 (to make life easier on the compiler and linker), then this will have
8011 to become more efficient. */
8013 static ssd_chain_struct
*
8014 pa_subsegment_to_subspace (asection
*seg
, subsegT subseg
)
8016 sd_chain_struct
*space_chain
;
8017 ssd_chain_struct
*subspace_chain
;
8019 /* Walk through each space. */
8020 for (space_chain
= space_dict_root
;
8022 space_chain
= space_chain
->sd_next
)
8024 if (space_chain
->sd_seg
== seg
)
8026 /* Walk through each subspace within each space looking for
8027 the correct mapping. */
8028 for (subspace_chain
= space_chain
->sd_subspaces
;
8030 subspace_chain
= subspace_chain
->ssd_next
)
8031 if (subspace_chain
->ssd_subseg
== (int) subseg
)
8032 return subspace_chain
;
8036 /* No mapping from subsegment to subspace found. Return NULL. */
8040 /* Given a number, try and find a space with the name number.
8042 Return a pointer to a space dictionary chain entry for the space
8043 that was found or NULL on failure. */
8045 static sd_chain_struct
*
8046 pa_find_space_by_number (int number
)
8048 sd_chain_struct
*space_chain
;
8050 for (space_chain
= space_dict_root
;
8052 space_chain
= space_chain
->sd_next
)
8054 if (SPACE_SPNUM (space_chain
) == (unsigned int) number
)
8058 /* No appropriate space found. Return NULL. */
8062 /* Return the starting address for the given subspace. If the starting
8063 address is unknown then return zero. */
8066 pa_subspace_start (sd_chain_struct
*space
, int quadrant
)
8068 /* FIXME. Assumes everyone puts read/write data at 0x4000000, this
8069 is not correct for the PA OSF1 port. */
8070 if ((strcmp (SPACE_NAME (space
), "$PRIVATE$") == 0) && quadrant
== 1)
8072 else if (space
->sd_seg
== data_section
&& quadrant
== 1)
8080 /* Helper function for pa_stringer. Used to find the end of
8084 pa_stringer_aux (char *s
)
8086 unsigned int c
= *s
& CHAR_MASK
;
8099 /* Handle a .STRING type pseudo-op. */
8102 pa_stringer (int append_zero
)
8104 char *s
, num_buf
[4];
8108 /* Preprocess the string to handle PA-specific escape sequences.
8109 For example, \xDD where DD is a hexadecimal number should be
8110 changed to \OOO where OOO is an octal number. */
8113 /* We must have a valid space and subspace. */
8114 pa_check_current_space_and_subspace ();
8117 /* Skip the opening quote. */
8118 s
= input_line_pointer
+ 1;
8120 while (is_a_char (c
= pa_stringer_aux (s
++)))
8127 /* Handle \x<num>. */
8130 unsigned int number
;
8135 /* Get past the 'x'. */
8137 for (num_digit
= 0, number
= 0, dg
= *s
;
8139 && (ISDIGIT (dg
) || (dg
>= 'a' && dg
<= 'f')
8140 || (dg
>= 'A' && dg
<= 'F'));
8144 number
= number
* 16 + dg
- '0';
8145 else if (dg
>= 'a' && dg
<= 'f')
8146 number
= number
* 16 + dg
- 'a' + 10;
8148 number
= number
* 16 + dg
- 'A' + 10;
8158 sprintf (num_buf
, "%02o", number
);
8161 sprintf (num_buf
, "%03o", number
);
8164 for (i
= 0; i
<= num_digit
; i
++)
8165 s_start
[i
] = num_buf
[i
];
8169 /* This might be a "\"", skip over the escaped char. */
8176 stringer (8 + append_zero
);
8177 pa_undefine_label ();
8180 /* Handle a .VERSION pseudo-op. */
8183 pa_version (int unused ATTRIBUTE_UNUSED
)
8186 pa_undefine_label ();
8191 /* Handle a .COMPILER pseudo-op. */
8194 pa_compiler (int unused ATTRIBUTE_UNUSED
)
8196 obj_som_compiler (0);
8197 pa_undefine_label ();
8202 /* Handle a .COPYRIGHT pseudo-op. */
8205 pa_copyright (int unused ATTRIBUTE_UNUSED
)
8208 pa_undefine_label ();
8211 /* Just like a normal cons, but when finished we have to undefine
8212 the latest space label. */
8215 pa_cons (int nbytes
)
8218 pa_undefine_label ();
8221 /* Like float_cons, but we need to undefine our label. */
8224 pa_float_cons (int float_type
)
8226 float_cons (float_type
);
8227 pa_undefine_label ();
8230 /* Like s_fill, but delete our label when finished. */
8233 pa_fill (int unused ATTRIBUTE_UNUSED
)
8236 /* We must have a valid space and subspace. */
8237 pa_check_current_space_and_subspace ();
8241 pa_undefine_label ();
8244 /* Like lcomm, but delete our label when finished. */
8247 pa_lcomm (int needs_align
)
8250 /* We must have a valid space and subspace. */
8251 pa_check_current_space_and_subspace ();
8254 s_lcomm (needs_align
);
8255 pa_undefine_label ();
8258 /* Like lsym, but delete our label when finished. */
8261 pa_lsym (int unused ATTRIBUTE_UNUSED
)
8264 /* We must have a valid space and subspace. */
8265 pa_check_current_space_and_subspace ();
8269 pa_undefine_label ();
8272 /* This function is called once, at assembler startup time. It should
8273 set up all the tables, etc. that the MD part of the assembler will need. */
8278 const char *retval
= NULL
;
8282 last_call_info
= NULL
;
8283 call_info_root
= NULL
;
8285 /* Set the default machine type. */
8286 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, DEFAULT_LEVEL
))
8287 as_warn (_("could not set architecture and machine"));
8289 /* Folding of text and data segments fails miserably on the PA.
8290 Warn user and disable "-R" option. */
8291 if (flag_readonly_data_in_text
)
8293 as_warn (_("-R option not supported on this target."));
8294 flag_readonly_data_in_text
= 0;
8301 op_hash
= hash_new ();
8303 while (i
< NUMOPCODES
)
8305 const char *name
= pa_opcodes
[i
].name
;
8307 retval
= hash_insert (op_hash
, name
, (struct pa_opcode
*) &pa_opcodes
[i
]);
8308 if (retval
!= NULL
&& *retval
!= '\0')
8310 as_fatal (_("Internal error: can't hash `%s': %s\n"), name
, retval
);
8316 if ((pa_opcodes
[i
].match
& pa_opcodes
[i
].mask
)
8317 != pa_opcodes
[i
].match
)
8319 fprintf (stderr
, _("internal error: losing opcode: `%s' \"%s\"\n"),
8320 pa_opcodes
[i
].name
, pa_opcodes
[i
].args
);
8325 while (i
< NUMOPCODES
&& !strcmp (pa_opcodes
[i
].name
, name
));
8329 as_fatal (_("Broken assembler. No assembly attempted."));
8332 /* SOM will change text_section. To make sure we never put
8333 anything into the old one switch to the new one now. */
8334 subseg_set (text_section
, 0);
8338 dummy_symbol
= symbol_find_or_make ("L$dummy");
8339 S_SET_SEGMENT (dummy_symbol
, text_section
);
8340 /* Force the symbol to be converted to a real symbol. */
8341 symbol_get_bfdsym (dummy_symbol
)->flags
|= BSF_KEEP
;
8345 /* On the PA relocations which involve function symbols must not be
8346 adjusted. This so that the linker can know when/how to create argument
8347 relocation stubs for indirect calls and calls to static functions.
8349 "T" field selectors create DLT relative fixups for accessing
8350 globals and statics in PIC code; each DLT relative fixup creates
8351 an entry in the DLT table. The entries contain the address of
8352 the final target (eg accessing "foo" would create a DLT entry
8353 with the address of "foo").
8355 Unfortunately, the HP linker doesn't take into account any addend
8356 when generating the DLT; so accessing $LIT$+8 puts the address of
8357 $LIT$ into the DLT rather than the address of $LIT$+8.
8359 The end result is we can't perform relocation symbol reductions for
8360 any fixup which creates entries in the DLT (eg they use "T" field
8363 ??? Reject reductions involving symbols with external scope; such
8364 reductions make life a living hell for object file editors. */
8367 hppa_fix_adjustable (fixS
*fixp
)
8372 struct hppa_fix_struct
*hppa_fix
;
8374 hppa_fix
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8377 /* LR/RR selectors are implicitly used for a number of different relocation
8378 types. We must ensure that none of these types are adjusted (see below)
8379 even if they occur with a different selector. */
8380 code
= elf_hppa_reloc_final_type (stdoutput
, fixp
->fx_r_type
,
8381 hppa_fix
->fx_r_format
,
8382 hppa_fix
->fx_r_field
);
8386 /* Relocation types which use e_lrsel. */
8387 case R_PARISC_DIR21L
:
8388 case R_PARISC_DLTREL21L
:
8389 case R_PARISC_DPREL21L
:
8390 case R_PARISC_PLTOFF21L
:
8392 /* Relocation types which use e_rrsel. */
8393 case R_PARISC_DIR14R
:
8394 case R_PARISC_DIR14DR
:
8395 case R_PARISC_DIR14WR
:
8396 case R_PARISC_DIR17R
:
8397 case R_PARISC_DLTREL14R
:
8398 case R_PARISC_DLTREL14DR
:
8399 case R_PARISC_DLTREL14WR
:
8400 case R_PARISC_DPREL14R
:
8401 case R_PARISC_DPREL14DR
:
8402 case R_PARISC_DPREL14WR
:
8403 case R_PARISC_PLTOFF14R
:
8404 case R_PARISC_PLTOFF14DR
:
8405 case R_PARISC_PLTOFF14WR
:
8407 /* Other types that we reject for reduction. */
8408 case R_PARISC_GNU_VTENTRY
:
8409 case R_PARISC_GNU_VTINHERIT
:
8416 /* Reject reductions of symbols in sym1-sym2 expressions when
8417 the fixup will occur in a CODE subspace.
8419 XXX FIXME: Long term we probably want to reject all of these;
8420 for example reducing in the debug section would lose if we ever
8421 supported using the optimizing hp linker. */
8424 && (hppa_fix
->segment
->flags
& SEC_CODE
))
8427 /* We can't adjust any relocs that use LR% and RR% field selectors.
8429 If a symbol is reduced to a section symbol, the assembler will
8430 adjust the addend unless the symbol happens to reside right at
8431 the start of the section. Additionally, the linker has no choice
8432 but to manipulate the addends when coalescing input sections for
8433 "ld -r". Since an LR% field selector is defined to round the
8434 addend, we can't change the addend without risking that a LR% and
8435 it's corresponding (possible multiple) RR% field will no longer
8436 sum to the right value.
8439 . ldil LR%foo+0,%r21
8440 . ldw RR%foo+0(%r21),%r26
8441 . ldw RR%foo+4(%r21),%r25
8443 If foo is at address 4092 (decimal) in section `sect', then after
8444 reducing to the section symbol we get
8445 . LR%sect+4092 == (L%sect)+0
8446 . RR%sect+4092 == (R%sect)+4092
8447 . RR%sect+4096 == (R%sect)-4096
8448 and the last address loses because rounding the addend to 8k
8449 multiples takes us up to 8192 with an offset of -4096.
8451 In cases where the LR% expression is identical to the RR% one we
8452 will never have a problem, but is so happens that gcc rounds
8453 addends involved in LR% field selectors to work around a HP
8454 linker bug. ie. We often have addresses like the last case
8455 above where the LR% expression is offset from the RR% one. */
8457 if (hppa_fix
->fx_r_field
== e_lrsel
8458 || hppa_fix
->fx_r_field
== e_rrsel
8459 || hppa_fix
->fx_r_field
== e_nlrsel
)
8462 /* Reject reductions of symbols in DLT relative relocs,
8463 relocations with plabels. */
8464 if (hppa_fix
->fx_r_field
== e_tsel
8465 || hppa_fix
->fx_r_field
== e_ltsel
8466 || hppa_fix
->fx_r_field
== e_rtsel
8467 || hppa_fix
->fx_r_field
== e_psel
8468 || hppa_fix
->fx_r_field
== e_rpsel
8469 || hppa_fix
->fx_r_field
== e_lpsel
)
8472 /* Reject absolute calls (jumps). */
8473 if (hppa_fix
->fx_r_type
== R_HPPA_ABS_CALL
)
8476 /* Reject reductions of function symbols. */
8477 if (fixp
->fx_addsy
!= 0 && S_IS_FUNCTION (fixp
->fx_addsy
))
8483 /* Return nonzero if the fixup in FIXP will require a relocation,
8484 even it if appears that the fixup could be completely handled
8488 hppa_force_relocation (struct fix
*fixp
)
8490 struct hppa_fix_struct
*hppa_fixp
;
8492 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8494 if (fixp
->fx_r_type
== (int) R_HPPA_ENTRY
8495 || fixp
->fx_r_type
== (int) R_HPPA_EXIT
8496 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_BRTAB
8497 || fixp
->fx_r_type
== (int) R_HPPA_END_BRTAB
8498 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_TRY
8499 || fixp
->fx_r_type
== (int) R_HPPA_END_TRY
8500 || (fixp
->fx_addsy
!= NULL
&& fixp
->fx_subsy
!= NULL
8501 && (hppa_fixp
->segment
->flags
& SEC_CODE
) != 0))
8505 if (fixp
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
8506 || fixp
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
)
8510 gas_assert (fixp
->fx_addsy
!= NULL
);
8512 /* Ensure we emit a relocation for global symbols so that dynamic
8514 if (S_FORCE_RELOC (fixp
->fx_addsy
, 1))
8517 /* It is necessary to force PC-relative calls/jumps to have a relocation
8518 entry if they're going to need either an argument relocation or long
8521 && arg_reloc_stub_needed (symbol_arg_reloc_info (fixp
->fx_addsy
),
8522 hppa_fixp
->fx_arg_reloc
))
8525 /* Now check to see if we're going to need a long-branch stub. */
8526 if (fixp
->fx_r_type
== (int) R_HPPA_PCREL_CALL
)
8528 long pc
= md_pcrel_from (fixp
);
8529 valueT distance
, min_stub_distance
;
8531 distance
= fixp
->fx_offset
+ S_GET_VALUE (fixp
->fx_addsy
) - pc
- 8;
8533 /* Distance to the closest possible stub. This will detect most
8534 but not all circumstances where a stub will not work. */
8535 min_stub_distance
= pc
+ 16;
8537 if (last_call_info
!= NULL
)
8538 min_stub_distance
-= S_GET_VALUE (last_call_info
->start_symbol
);
8541 if ((distance
+ 8388608 >= 16777216
8542 && min_stub_distance
<= 8388608)
8543 || (hppa_fixp
->fx_r_format
== 17
8544 && distance
+ 262144 >= 524288
8545 && min_stub_distance
<= 262144)
8546 || (hppa_fixp
->fx_r_format
== 12
8547 && distance
+ 8192 >= 16384
8548 && min_stub_distance
<= 8192)
8553 if (fixp
->fx_r_type
== (int) R_HPPA_ABS_CALL
)
8556 /* No need (yet) to force another relocations to be emitted. */
8560 /* Now for some ELF specific code. FIXME. */
8562 /* For ELF, this function serves one purpose: to setup the st_size
8563 field of STT_FUNC symbols. To do this, we need to scan the
8564 call_info structure list, determining st_size in by taking the
8565 difference in the address of the beginning/end marker symbols. */
8568 elf_hppa_final_processing (void)
8570 struct call_info
*call_info_pointer
;
8572 for (call_info_pointer
= call_info_root
;
8574 call_info_pointer
= call_info_pointer
->ci_next
)
8576 elf_symbol_type
*esym
8577 = ((elf_symbol_type
*)
8578 symbol_get_bfdsym (call_info_pointer
->start_symbol
));
8579 esym
->internal_elf_sym
.st_size
=
8580 S_GET_VALUE (call_info_pointer
->end_symbol
)
8581 - S_GET_VALUE (call_info_pointer
->start_symbol
) + 4;
8586 pa_vtable_entry (int ignore ATTRIBUTE_UNUSED
)
8588 struct fix
*new_fix
;
8590 new_fix
= obj_elf_vtable_entry (0);
8594 struct hppa_fix_struct
* hppa_fix
= obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
8596 hppa_fix
->fx_r_type
= R_HPPA
;
8597 hppa_fix
->fx_r_field
= e_fsel
;
8598 hppa_fix
->fx_r_format
= 32;
8599 hppa_fix
->fx_arg_reloc
= 0;
8600 hppa_fix
->segment
= now_seg
;
8601 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8602 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTENTRY
;
8607 pa_vtable_inherit (int ignore ATTRIBUTE_UNUSED
)
8609 struct fix
*new_fix
;
8611 new_fix
= obj_elf_vtable_inherit (0);
8615 struct hppa_fix_struct
* hppa_fix
= obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
8617 hppa_fix
->fx_r_type
= R_HPPA
;
8618 hppa_fix
->fx_r_field
= e_fsel
;
8619 hppa_fix
->fx_r_format
= 32;
8620 hppa_fix
->fx_arg_reloc
= 0;
8621 hppa_fix
->segment
= now_seg
;
8622 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8623 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTINHERIT
;
8628 /* Table of pseudo ops for the PA. FIXME -- how many of these
8629 are now redundant with the overall GAS and the object file
8630 dependent tables? */
8631 const pseudo_typeS md_pseudo_table
[] =
8633 /* align pseudo-ops on the PA specify the actual alignment requested,
8634 not the log2 of the requested alignment. */
8636 {"align", pa_align
, 8},
8639 {"align", s_align_bytes
, 8},
8641 {"begin_brtab", pa_brtab
, 1},
8642 {"begin_try", pa_try
, 1},
8643 {"block", pa_block
, 1},
8644 {"blockz", pa_block
, 0},
8645 {"byte", pa_cons
, 1},
8646 {"call", pa_call
, 0},
8647 {"callinfo", pa_callinfo
, 0},
8648 #if defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))
8649 {"code", obj_elf_text
, 0},
8651 {"code", pa_text
, 0},
8652 {"comm", pa_comm
, 0},
8655 {"compiler", pa_compiler
, 0},
8657 {"copyright", pa_copyright
, 0},
8658 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
8659 {"data", pa_data
, 0},
8661 {"double", pa_float_cons
, 'd'},
8662 {"dword", pa_cons
, 8},
8664 {"end_brtab", pa_brtab
, 0},
8665 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
8666 {"end_try", pa_try
, 0},
8668 {"enter", pa_enter
, 0},
8669 {"entry", pa_entry
, 0},
8671 {"exit", pa_exit
, 0},
8672 {"export", pa_export
, 0},
8673 {"fill", pa_fill
, 0},
8674 {"float", pa_float_cons
, 'f'},
8675 {"half", pa_cons
, 2},
8676 {"import", pa_import
, 0},
8677 {"int", pa_cons
, 4},
8678 {"label", pa_label
, 0},
8679 {"lcomm", pa_lcomm
, 0},
8680 {"leave", pa_leave
, 0},
8681 {"level", pa_level
, 0},
8682 {"long", pa_cons
, 4},
8683 {"lsym", pa_lsym
, 0},
8685 {"nsubspa", pa_subspace
, 1},
8687 {"octa", pa_cons
, 16},
8688 {"org", pa_origin
, 0},
8689 {"origin", pa_origin
, 0},
8690 {"param", pa_param
, 0},
8691 {"proc", pa_proc
, 0},
8692 {"procend", pa_procend
, 0},
8693 {"quad", pa_cons
, 8},
8695 {"short", pa_cons
, 2},
8696 {"single", pa_float_cons
, 'f'},
8698 {"space", pa_space
, 0},
8699 {"spnum", pa_spnum
, 0},
8701 {"string", pa_stringer
, 0},
8702 {"stringz", pa_stringer
, 1},
8704 {"subspa", pa_subspace
, 0},
8706 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
8707 {"text", pa_text
, 0},
8709 {"version", pa_version
, 0},
8711 {"vtable_entry", pa_vtable_entry
, 0},
8712 {"vtable_inherit", pa_vtable_inherit
, 0},
8714 {"word", pa_cons
, 4},
8720 hppa_cfi_frame_initial_instructions (void)
8722 cfi_add_CFA_def_cfa (30, 0);
8726 hppa_regname_to_dw2regnum (char *regname
)
8728 unsigned int regnum
= -1;
8732 static struct { char *name
; int dw2regnum
; } regnames
[] =
8734 { "sp", 30 }, { "rp", 2 },
8737 for (i
= 0; i
< ARRAY_SIZE (regnames
); ++i
)
8738 if (strcmp (regnames
[i
].name
, regname
) == 0)
8739 return regnames
[i
].dw2regnum
;
8741 if (regname
[0] == 'r')
8744 regnum
= strtoul (p
, &q
, 10);
8745 if (p
== q
|| *q
|| regnum
>= 32)
8748 else if (regname
[0] == 'f' && regname
[1] == 'r')
8751 regnum
= strtoul (p
, &q
, 10);
8752 #if TARGET_ARCH_SIZE == 64
8753 if (p
== q
|| *q
|| regnum
<= 4 || regnum
>= 32)
8758 || (*q
&& ((*q
!= 'L' && *q
!= 'R') || *(q
+ 1)))
8759 || regnum
<= 4 || regnum
>= 32)
8761 regnum
= (regnum
- 4) * 2 + 32;