1 /* tc-hppa.c -- Assemble for the PA
2 Copyright (C) 1989-2014 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 /* Holds the last field selector. */
610 static int hppa_field_selector
;
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
;
1122 for (label_chain
= label_symbols_rootp
;
1124 label_chain
= label_chain
->lss_next
)
1127 if (current_space
== label_chain
->lss_space
&& label_chain
->lss_label
)
1131 if (now_seg
== label_chain
->lss_segment
&& label_chain
->lss_label
)
1139 /* Defines a label for the current space. If one is already defined,
1140 this function will replace it with the new label. */
1143 pa_define_label (symbolS
*symbol
)
1145 label_symbol_struct
*label_chain
= pa_get_label ();
1148 label_chain
->lss_label
= symbol
;
1151 /* Create a new label entry and add it to the head of the chain. */
1152 label_chain
= xmalloc (sizeof (label_symbol_struct
));
1153 label_chain
->lss_label
= symbol
;
1155 label_chain
->lss_space
= current_space
;
1158 label_chain
->lss_segment
= now_seg
;
1160 label_chain
->lss_next
= NULL
;
1162 if (label_symbols_rootp
)
1163 label_chain
->lss_next
= label_symbols_rootp
;
1165 label_symbols_rootp
= label_chain
;
1169 dwarf2_emit_label (symbol
);
1173 /* Removes a label definition for the current space.
1174 If there is no label_symbol_struct entry, then no action is taken. */
1177 pa_undefine_label (void)
1179 label_symbol_struct
*label_chain
;
1180 label_symbol_struct
*prev_label_chain
= NULL
;
1182 for (label_chain
= label_symbols_rootp
;
1184 label_chain
= label_chain
->lss_next
)
1188 && current_space
== label_chain
->lss_space
&& label_chain
->lss_label
1191 && now_seg
== label_chain
->lss_segment
&& label_chain
->lss_label
1195 /* Remove the label from the chain and free its memory. */
1196 if (prev_label_chain
)
1197 prev_label_chain
->lss_next
= label_chain
->lss_next
;
1199 label_symbols_rootp
= label_chain
->lss_next
;
1204 prev_label_chain
= label_chain
;
1208 /* An HPPA-specific version of fix_new. This is required because the HPPA
1209 code needs to keep track of some extra stuff. Each call to fix_new_hppa
1210 results in the creation of an instance of an hppa_fix_struct. An
1211 hppa_fix_struct stores the extra information along with a pointer to the
1212 original fixS. This is attached to the original fixup via the
1213 tc_fix_data field. */
1216 fix_new_hppa (fragS
*frag
,
1219 symbolS
*add_symbol
,
1223 bfd_reloc_code_real_type r_type
,
1224 enum hppa_reloc_field_selector_type_alt r_field
,
1226 unsigned int arg_reloc
,
1227 int unwind_bits ATTRIBUTE_UNUSED
)
1230 struct hppa_fix_struct
*hppa_fix
= obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
1233 new_fix
= fix_new_exp (frag
, where
, size
, exp
, pcrel
, r_type
);
1235 new_fix
= fix_new (frag
, where
, size
, add_symbol
, offset
, pcrel
, r_type
);
1236 new_fix
->tc_fix_data
= (void *) hppa_fix
;
1237 hppa_fix
->fx_r_type
= r_type
;
1238 hppa_fix
->fx_r_field
= r_field
;
1239 hppa_fix
->fx_r_format
= r_format
;
1240 hppa_fix
->fx_arg_reloc
= arg_reloc
;
1241 hppa_fix
->segment
= now_seg
;
1243 if (r_type
== R_ENTRY
|| r_type
== R_EXIT
)
1244 new_fix
->fx_offset
= unwind_bits
;
1247 /* foo-$global$ is used to access non-automatic storage. $global$
1248 is really just a marker and has served its purpose, so eliminate
1249 it now so as not to confuse write.c. Ditto for $PIC_pcrel$0. */
1250 if (new_fix
->fx_subsy
1251 && (strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$global$") == 0
1252 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$segrel$") == 0
1253 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$PIC_pcrel$0") == 0
1254 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$tls_gdidx$") == 0
1255 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$tls_ldidx$") == 0
1256 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$tls_dtpoff$") == 0
1257 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$tls_ieoff$") == 0
1258 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$tls_leoff$") == 0))
1259 new_fix
->fx_subsy
= NULL
;
1262 /* This fix_new is called by cons via TC_CONS_FIX_NEW.
1263 hppa_field_selector is set by the parse_cons_expression_hppa. */
1266 cons_fix_new_hppa (fragS
*frag
, int where
, int size
, expressionS
*exp
)
1268 unsigned int rel_type
;
1270 /* Get a base relocation type. */
1271 if (is_DP_relative (*exp
))
1272 rel_type
= R_HPPA_GOTOFF
;
1273 else if (is_PC_relative (*exp
))
1274 rel_type
= R_HPPA_PCREL_CALL
;
1276 else if (is_SB_relative (*exp
))
1277 rel_type
= R_PARISC_SEGREL32
;
1278 else if (is_tls_gdidx (*exp
))
1279 rel_type
= R_PARISC_TLS_GD21L
;
1280 else if (is_tls_ldidx (*exp
))
1281 rel_type
= R_PARISC_TLS_LDM21L
;
1282 else if (is_tls_dtpoff (*exp
))
1283 rel_type
= R_PARISC_TLS_LDO21L
;
1284 else if (is_tls_ieoff (*exp
))
1285 rel_type
= R_PARISC_TLS_IE21L
;
1286 else if (is_tls_leoff (*exp
))
1287 rel_type
= R_PARISC_TLS_LE21L
;
1289 else if (is_complex (*exp
))
1290 rel_type
= R_HPPA_COMPLEX
;
1294 if (hppa_field_selector
!= e_psel
&& hppa_field_selector
!= e_fsel
)
1296 as_warn (_("Invalid field selector. Assuming F%%."));
1297 hppa_field_selector
= e_fsel
;
1300 fix_new_hppa (frag
, where
, size
,
1301 (symbolS
*) NULL
, (offsetT
) 0, exp
, 0, rel_type
,
1302 hppa_field_selector
, size
* 8, 0, 0);
1304 /* Reset field selector to its default state. */
1305 hppa_field_selector
= 0;
1308 /* Mark (via expr_end) the end of an expression (I think). FIXME. */
1311 get_expression (char *str
)
1316 save_in
= input_line_pointer
;
1317 input_line_pointer
= str
;
1318 seg
= expression (&the_insn
.exp
);
1319 if (!(seg
== absolute_section
1320 || seg
== undefined_section
1321 || SEG_NORMAL (seg
)))
1323 as_warn (_("Bad segment in expression."));
1324 expr_end
= input_line_pointer
;
1325 input_line_pointer
= save_in
;
1328 expr_end
= input_line_pointer
;
1329 input_line_pointer
= save_in
;
1332 /* Parse a PA nullification completer (,n). Return nonzero if the
1333 completer was found; return zero if no completer was found. */
1336 pa_parse_nullif (char **s
)
1344 if (strncasecmp (*s
, "n", 1) == 0)
1348 as_bad (_("Invalid Nullification: (%c)"), **s
);
1358 md_atof (int type
, char *litP
, int *sizeP
)
1360 return ieee_md_atof (type
, litP
, sizeP
, TRUE
);
1363 /* Write out big-endian. */
1366 md_number_to_chars (char *buf
, valueT val
, int n
)
1368 number_to_chars_bigendian (buf
, val
, n
);
1371 /* Translate internal representation of relocation info to BFD target
1375 tc_gen_reloc (asection
*section
, fixS
*fixp
)
1378 struct hppa_fix_struct
*hppa_fixp
;
1379 static arelent
*no_relocs
= NULL
;
1386 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
1387 if (fixp
->fx_addsy
== 0)
1390 gas_assert (hppa_fixp
!= 0);
1391 gas_assert (section
!= 0);
1393 reloc
= xmalloc (sizeof (arelent
));
1395 reloc
->sym_ptr_ptr
= xmalloc (sizeof (asymbol
*));
1396 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
1398 /* Allow fixup_segment to recognize hand-written pc-relative relocations.
1399 When we went through cons_fix_new_hppa, we classified them as complex. */
1400 /* ??? It might be better to hide this +8 stuff in tc_cfi_emit_pcrel_expr,
1401 undefine DIFF_EXPR_OK, and let these sorts of complex expressions fail
1402 when R_HPPA_COMPLEX == R_PARISC_UNIMPLEMENTED. */
1403 if (fixp
->fx_r_type
== (bfd_reloc_code_real_type
) R_HPPA_COMPLEX
1406 fixp
->fx_r_type
= R_HPPA_PCREL_CALL
;
1407 fixp
->fx_offset
+= 8;
1410 codes
= hppa_gen_reloc_type (stdoutput
,
1412 hppa_fixp
->fx_r_format
,
1413 hppa_fixp
->fx_r_field
,
1414 fixp
->fx_subsy
!= NULL
,
1415 symbol_get_bfdsym (fixp
->fx_addsy
));
1419 as_bad_where (fixp
->fx_file
, fixp
->fx_line
, _("Cannot handle fixup"));
1423 for (n_relocs
= 0; codes
[n_relocs
]; n_relocs
++)
1426 relocs
= xmalloc (sizeof (arelent
*) * n_relocs
+ 1);
1427 reloc
= xmalloc (sizeof (arelent
) * n_relocs
);
1428 for (i
= 0; i
< n_relocs
; i
++)
1429 relocs
[i
] = &reloc
[i
];
1431 relocs
[n_relocs
] = NULL
;
1434 switch (fixp
->fx_r_type
)
1437 gas_assert (n_relocs
== 1);
1441 /* Now, do any processing that is dependent on the relocation type. */
1444 case R_PARISC_DLTREL21L
:
1445 case R_PARISC_DLTREL14R
:
1446 case R_PARISC_DLTREL14F
:
1447 case R_PARISC_PLABEL32
:
1448 case R_PARISC_PLABEL21L
:
1449 case R_PARISC_PLABEL14R
:
1450 /* For plabel relocations, the addend of the
1451 relocation should be either 0 (no static link) or 2
1452 (static link required). This adjustment is done in
1453 bfd/elf32-hppa.c:elf32_hppa_relocate_section.
1455 We also slam a zero addend into the DLT relative relocs;
1456 it doesn't make a lot of sense to use any addend since
1457 it gets you a different (eg unknown) DLT entry. */
1461 #ifdef ELF_ARG_RELOC
1462 case R_PARISC_PCREL17R
:
1463 case R_PARISC_PCREL17F
:
1464 case R_PARISC_PCREL17C
:
1465 case R_PARISC_DIR17R
:
1466 case R_PARISC_DIR17F
:
1467 case R_PARISC_PCREL21L
:
1468 case R_PARISC_DIR21L
:
1469 reloc
->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
,
1474 case R_PARISC_DIR32
:
1475 /* Facilitate hand-crafted unwind info. */
1476 if (strcmp (section
->name
, UNWIND_SECTION_NAME
) == 0)
1477 code
= R_PARISC_SEGREL32
;
1481 reloc
->addend
= fixp
->fx_offset
;
1485 reloc
->sym_ptr_ptr
= xmalloc (sizeof (asymbol
*));
1486 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
1487 reloc
->howto
= bfd_reloc_type_lookup (stdoutput
,
1488 (bfd_reloc_code_real_type
) code
);
1489 reloc
->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
1491 gas_assert (reloc
->howto
&& (unsigned int) code
== reloc
->howto
->type
);
1496 /* Walk over reach relocation returned by the BFD backend. */
1497 for (i
= 0; i
< n_relocs
; i
++)
1501 relocs
[i
]->sym_ptr_ptr
= xmalloc (sizeof (asymbol
*));
1502 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
1504 bfd_reloc_type_lookup (stdoutput
,
1505 (bfd_reloc_code_real_type
) code
);
1506 relocs
[i
]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
1511 /* The only time we ever use a R_COMP2 fixup is for the difference
1512 of two symbols. With that in mind we fill in all four
1513 relocs now and break out of the loop. */
1514 gas_assert (i
== 1);
1515 relocs
[0]->sym_ptr_ptr
1516 = (asymbol
**) bfd_abs_section_ptr
->symbol_ptr_ptr
;
1518 = bfd_reloc_type_lookup (stdoutput
,
1519 (bfd_reloc_code_real_type
) *codes
[0]);
1520 relocs
[0]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
1521 relocs
[0]->addend
= 0;
1522 relocs
[1]->sym_ptr_ptr
= xmalloc (sizeof (asymbol
*));
1523 *relocs
[1]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
1525 = bfd_reloc_type_lookup (stdoutput
,
1526 (bfd_reloc_code_real_type
) *codes
[1]);
1527 relocs
[1]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
1528 relocs
[1]->addend
= 0;
1529 relocs
[2]->sym_ptr_ptr
= xmalloc (sizeof (asymbol
*));
1530 *relocs
[2]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_subsy
);
1532 = bfd_reloc_type_lookup (stdoutput
,
1533 (bfd_reloc_code_real_type
) *codes
[2]);
1534 relocs
[2]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
1535 relocs
[2]->addend
= 0;
1536 relocs
[3]->sym_ptr_ptr
1537 = (asymbol
**) bfd_abs_section_ptr
->symbol_ptr_ptr
;
1539 = bfd_reloc_type_lookup (stdoutput
,
1540 (bfd_reloc_code_real_type
) *codes
[3]);
1541 relocs
[3]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
1542 relocs
[3]->addend
= 0;
1543 relocs
[4]->sym_ptr_ptr
1544 = (asymbol
**) bfd_abs_section_ptr
->symbol_ptr_ptr
;
1546 = bfd_reloc_type_lookup (stdoutput
,
1547 (bfd_reloc_code_real_type
) *codes
[4]);
1548 relocs
[4]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
1549 relocs
[4]->addend
= 0;
1553 relocs
[i
]->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
, 0);
1559 /* For plabel relocations, the addend of the
1560 relocation should be either 0 (no static link) or 2
1561 (static link required).
1563 FIXME: We always assume no static link!
1565 We also slam a zero addend into the DLT relative relocs;
1566 it doesn't make a lot of sense to use any addend since
1567 it gets you a different (eg unknown) DLT entry. */
1568 relocs
[i
]->addend
= 0;
1583 /* There is no symbol or addend associated with these fixups. */
1584 relocs
[i
]->sym_ptr_ptr
= xmalloc (sizeof (asymbol
*));
1585 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
1586 relocs
[i
]->addend
= 0;
1592 /* There is no symbol associated with these fixups. */
1593 relocs
[i
]->sym_ptr_ptr
= xmalloc (sizeof (asymbol
*));
1594 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
1595 relocs
[i
]->addend
= fixp
->fx_offset
;
1599 relocs
[i
]->addend
= fixp
->fx_offset
;
1609 /* Process any machine dependent frag types. */
1612 md_convert_frag (bfd
*abfd ATTRIBUTE_UNUSED
,
1613 asection
*sec ATTRIBUTE_UNUSED
,
1616 unsigned int address
;
1618 if (fragP
->fr_type
== rs_machine_dependent
)
1620 switch ((int) fragP
->fr_subtype
)
1623 fragP
->fr_type
= rs_fill
;
1624 know (fragP
->fr_var
== 1);
1625 know (fragP
->fr_next
);
1626 address
= fragP
->fr_address
+ fragP
->fr_fix
;
1627 if (address
% fragP
->fr_offset
)
1630 fragP
->fr_next
->fr_address
1635 fragP
->fr_offset
= 0;
1641 /* Round up a section size to the appropriate boundary. */
1644 md_section_align (asection
*segment
, valueT size
)
1646 int align
= bfd_get_section_alignment (stdoutput
, segment
);
1647 int align2
= (1 << align
) - 1;
1649 return (size
+ align2
) & ~align2
;
1652 /* Return the approximate size of a frag before relaxation has occurred. */
1655 md_estimate_size_before_relax (fragS
*fragP
, asection
*segment ATTRIBUTE_UNUSED
)
1661 while ((fragP
->fr_fix
+ size
) % fragP
->fr_offset
)
1668 # ifdef WARN_COMMENTS
1669 const char *md_shortopts
= "Vc";
1671 const char *md_shortopts
= "V";
1674 # ifdef WARN_COMMENTS
1675 const char *md_shortopts
= "c";
1677 const char *md_shortopts
= "";
1681 struct option md_longopts
[] =
1683 #ifdef WARN_COMMENTS
1684 {"warn-comment", no_argument
, NULL
, 'c'},
1686 {NULL
, no_argument
, NULL
, 0}
1688 size_t md_longopts_size
= sizeof (md_longopts
);
1691 md_parse_option (int c
, char *arg ATTRIBUTE_UNUSED
)
1700 print_version_id ();
1703 #ifdef WARN_COMMENTS
1714 md_show_usage (FILE *stream ATTRIBUTE_UNUSED
)
1717 fprintf (stream
, _("\
1720 #ifdef WARN_COMMENTS
1721 fprintf (stream
, _("\
1722 -c print a warning if a comment is found\n"));
1726 /* We have no need to default values of symbols. */
1729 md_undefined_symbol (char *name ATTRIBUTE_UNUSED
)
1734 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
1735 #define nonzero_dibits(x) \
1736 ((x) | (((x) & 0x55555555) << 1) | (((x) & 0xAAAAAAAA) >> 1))
1737 #define arg_reloc_stub_needed(CALLER, CALLEE) \
1738 (((CALLER) ^ (CALLEE)) & nonzero_dibits (CALLER) & nonzero_dibits (CALLEE))
1740 #define arg_reloc_stub_needed(CALLER, CALLEE) 0
1743 /* Apply a fixup to an instruction. */
1746 md_apply_fix (fixS
*fixP
, valueT
*valP
, segT seg ATTRIBUTE_UNUSED
)
1749 struct hppa_fix_struct
*hppa_fixP
;
1753 /* SOM uses R_HPPA_ENTRY and R_HPPA_EXIT relocations which can
1754 never be "applied" (they are just markers). Likewise for
1755 R_HPPA_BEGIN_BRTAB and R_HPPA_END_BRTAB. */
1757 if (fixP
->fx_r_type
== R_HPPA_ENTRY
1758 || fixP
->fx_r_type
== R_HPPA_EXIT
1759 || fixP
->fx_r_type
== R_HPPA_BEGIN_BRTAB
1760 || fixP
->fx_r_type
== R_HPPA_END_BRTAB
1761 || fixP
->fx_r_type
== R_HPPA_BEGIN_TRY
)
1764 /* Disgusting. We must set fx_offset ourselves -- R_HPPA_END_TRY
1765 fixups are considered not adjustable, which in turn causes
1766 adjust_reloc_syms to not set fx_offset. Ugh. */
1767 if (fixP
->fx_r_type
== R_HPPA_END_TRY
)
1769 fixP
->fx_offset
= * valP
;
1774 if (fixP
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
1775 || fixP
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
)
1779 if (fixP
->fx_addsy
== NULL
&& fixP
->fx_pcrel
== 0)
1782 /* There should be a HPPA specific fixup associated with the GAS fixup. */
1783 hppa_fixP
= (struct hppa_fix_struct
*) fixP
->tc_fix_data
;
1784 if (hppa_fixP
== NULL
)
1786 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
1787 _("no hppa_fixup entry for fixup type 0x%x"),
1792 fixpos
= fixP
->fx_frag
->fr_literal
+ fixP
->fx_where
;
1794 if (fixP
->fx_size
!= 4 || hppa_fixP
->fx_r_format
== 32)
1796 /* Handle constant output. */
1797 number_to_chars_bigendian (fixpos
, *valP
, fixP
->fx_size
);
1801 insn
= bfd_get_32 (stdoutput
, fixpos
);
1802 fmt
= bfd_hppa_insn2fmt (stdoutput
, insn
);
1804 /* If there is a symbol associated with this fixup, then it's something
1805 which will need a SOM relocation (except for some PC-relative relocs).
1806 In such cases we should treat the "val" or "addend" as zero since it
1807 will be added in as needed from fx_offset in tc_gen_reloc. */
1808 if ((fixP
->fx_addsy
!= NULL
1809 || fixP
->fx_r_type
== (int) R_HPPA_NONE
)
1814 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
1816 /* These field selectors imply that we do not want an addend. */
1817 else if (hppa_fixP
->fx_r_field
== e_psel
1818 || hppa_fixP
->fx_r_field
== e_rpsel
1819 || hppa_fixP
->fx_r_field
== e_lpsel
1820 || hppa_fixP
->fx_r_field
== e_tsel
1821 || hppa_fixP
->fx_r_field
== e_rtsel
1822 || hppa_fixP
->fx_r_field
== e_ltsel
)
1823 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
1826 new_val
= hppa_field_adjust (* valP
, 0, hppa_fixP
->fx_r_field
);
1828 /* Handle pc-relative exceptions from above. */
1829 if ((fmt
== 12 || fmt
== 17 || fmt
== 22)
1832 && !arg_reloc_stub_needed (symbol_arg_reloc_info (fixP
->fx_addsy
),
1833 hppa_fixP
->fx_arg_reloc
)
1835 && (* valP
- 8 + 8192 < 16384
1836 || (fmt
== 17 && * valP
- 8 + 262144 < 524288)
1837 || (fmt
== 22 && * valP
- 8 + 8388608 < 16777216))
1840 && (* valP
- 8 + 262144 < 524288
1841 || (fmt
== 22 && * valP
- 8 + 8388608 < 16777216))
1843 && !S_IS_EXTERNAL (fixP
->fx_addsy
)
1844 && !S_IS_WEAK (fixP
->fx_addsy
)
1845 && S_GET_SEGMENT (fixP
->fx_addsy
) == hppa_fixP
->segment
1847 && S_GET_SEGMENT (fixP
->fx_subsy
) != hppa_fixP
->segment
))
1849 new_val
= hppa_field_adjust (* valP
, 0, hppa_fixP
->fx_r_field
);
1855 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
1856 fixP
->fx_file
, fixP
->fx_line
);
1859 insn
= (insn
& ~ 0x3ff1) | (((val
& 0x1ff8) << 1)
1860 | ((val
& 0x2000) >> 13));
1863 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
1864 fixP
->fx_file
, fixP
->fx_line
);
1867 insn
= (insn
& ~ 0x3ff9) | (((val
& 0x1ffc) << 1)
1868 | ((val
& 0x2000) >> 13));
1870 /* Handle all opcodes with the 'j' operand type. */
1872 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
1873 fixP
->fx_file
, fixP
->fx_line
);
1876 insn
= ((insn
& ~ 0x3fff) | low_sign_unext (val
, 14));
1879 /* Handle all opcodes with the 'k' operand type. */
1881 CHECK_FIELD_WHERE (new_val
, 1048575, -1048576,
1882 fixP
->fx_file
, fixP
->fx_line
);
1885 insn
= (insn
& ~ 0x1fffff) | re_assemble_21 (val
);
1888 /* Handle all the opcodes with the 'i' operand type. */
1890 CHECK_FIELD_WHERE (new_val
, 1023, -1024,
1891 fixP
->fx_file
, fixP
->fx_line
);
1894 insn
= (insn
& ~ 0x7ff) | low_sign_unext (val
, 11);
1897 /* Handle all the opcodes with the 'w' operand type. */
1899 CHECK_FIELD_WHERE (new_val
- 8, 8191, -8192,
1900 fixP
->fx_file
, fixP
->fx_line
);
1903 insn
= (insn
& ~ 0x1ffd) | re_assemble_12 (val
>> 2);
1906 /* Handle some of the opcodes with the 'W' operand type. */
1909 offsetT distance
= * valP
;
1911 /* If this is an absolute branch (ie no link) with an out of
1912 range target, then we want to complain. */
1913 if (fixP
->fx_r_type
== (int) R_HPPA_PCREL_CALL
1914 && (insn
& 0xffe00000) == 0xe8000000)
1915 CHECK_FIELD_WHERE (distance
- 8, 262143, -262144,
1916 fixP
->fx_file
, fixP
->fx_line
);
1918 CHECK_FIELD_WHERE (new_val
- 8, 262143, -262144,
1919 fixP
->fx_file
, fixP
->fx_line
);
1922 insn
= (insn
& ~ 0x1f1ffd) | re_assemble_17 (val
>> 2);
1928 offsetT distance
= * valP
;
1930 /* If this is an absolute branch (ie no link) with an out of
1931 range target, then we want to complain. */
1932 if (fixP
->fx_r_type
== (int) R_HPPA_PCREL_CALL
1933 && (insn
& 0xffe00000) == 0xe8000000)
1934 CHECK_FIELD_WHERE (distance
- 8, 8388607, -8388608,
1935 fixP
->fx_file
, fixP
->fx_line
);
1937 CHECK_FIELD_WHERE (new_val
- 8, 8388607, -8388608,
1938 fixP
->fx_file
, fixP
->fx_line
);
1941 insn
= (insn
& ~ 0x3ff1ffd) | re_assemble_22 (val
>> 2);
1947 insn
= (insn
& ~ 0xfff1) | re_assemble_16 (val
& -8);
1952 insn
= (insn
& ~ 0xfff9) | re_assemble_16 (val
& -4);
1957 insn
= (insn
& ~ 0xffff) | re_assemble_16 (val
);
1965 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
1966 _("Unknown relocation encountered in md_apply_fix."));
1971 switch (fixP
->fx_r_type
)
1973 case R_PARISC_TLS_GD21L
:
1974 case R_PARISC_TLS_GD14R
:
1975 case R_PARISC_TLS_LDM21L
:
1976 case R_PARISC_TLS_LDM14R
:
1977 case R_PARISC_TLS_LE21L
:
1978 case R_PARISC_TLS_LE14R
:
1979 case R_PARISC_TLS_IE21L
:
1980 case R_PARISC_TLS_IE14R
:
1982 S_SET_THREAD_LOCAL (fixP
->fx_addsy
);
1989 /* Insert the relocation. */
1990 bfd_put_32 (stdoutput
, insn
, fixpos
);
1993 /* Exactly what point is a PC-relative offset relative TO?
1994 On the PA, they're relative to the address of the offset. */
1997 md_pcrel_from (fixS
*fixP
)
1999 return fixP
->fx_where
+ fixP
->fx_frag
->fr_address
;
2002 /* Return nonzero if the input line pointer is at the end of
2006 is_end_of_statement (void)
2008 return ((*input_line_pointer
== '\n')
2009 || (*input_line_pointer
== ';')
2010 || (*input_line_pointer
== '!'));
2013 #define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct pd_reg))
2015 /* Given NAME, find the register number associated with that name, return
2016 the integer value associated with the given name or -1 on failure. */
2019 reg_name_search (char *name
)
2021 int middle
, low
, high
;
2025 high
= REG_NAME_CNT
- 1;
2029 middle
= (low
+ high
) / 2;
2030 cmp
= strcasecmp (name
, pre_defined_registers
[middle
].name
);
2036 return pre_defined_registers
[middle
].value
;
2038 while (low
<= high
);
2043 /* Read a number from S. The number might come in one of many forms,
2044 the most common will be a hex or decimal constant, but it could be
2045 a pre-defined register (Yuk!), or an absolute symbol.
2047 Return 1 on success or 0 on failure. If STRICT, then a missing
2048 register prefix will cause a failure. The number itself is
2049 returned in `pa_number'.
2051 IS_FLOAT indicates that a PA-89 FP register number should be
2052 parsed; A `l' or `r' suffix is checked for if but 2 of IS_FLOAT is
2055 pa_parse_number can not handle negative constants and will fail
2056 horribly if it is passed such a constant. */
2059 pa_parse_number (char **s
, int is_float
)
2067 bfd_boolean have_prefix
;
2069 /* Skip whitespace before the number. */
2070 while (*p
== ' ' || *p
== '\t')
2076 if (!strict
&& ISDIGIT (*p
))
2078 /* Looks like a number. */
2080 if (*p
== '0' && (*(p
+ 1) == 'x' || *(p
+ 1) == 'X'))
2082 /* The number is specified in hex. */
2084 while (ISDIGIT (*p
) || ((*p
>= 'a') && (*p
<= 'f'))
2085 || ((*p
>= 'A') && (*p
<= 'F')))
2088 num
= num
* 16 + *p
- '0';
2089 else if (*p
>= 'a' && *p
<= 'f')
2090 num
= num
* 16 + *p
- 'a' + 10;
2092 num
= num
* 16 + *p
- 'A' + 10;
2098 /* The number is specified in decimal. */
2099 while (ISDIGIT (*p
))
2101 num
= num
* 10 + *p
- '0';
2108 /* Check for a `l' or `r' suffix. */
2111 pa_number
+= FP_REG_BASE
;
2112 if (! (is_float
& 2))
2114 if (IS_R_SELECT (p
))
2116 pa_number
+= FP_REG_RSEL
;
2119 else if (IS_L_SELECT (p
))
2128 /* The number might be a predefined register. */
2133 /* Tege hack: Special case for general registers as the general
2134 code makes a binary search with case translation, and is VERY
2139 if (*p
== 'e' && *(p
+ 1) == 't'
2140 && (*(p
+ 2) == '0' || *(p
+ 2) == '1'))
2143 num
= *p
- '0' + 28;
2151 else if (!ISDIGIT (*p
))
2154 as_bad (_("Undefined register: '%s'."), name
);
2160 num
= num
* 10 + *p
++ - '0';
2161 while (ISDIGIT (*p
));
2166 /* Do a normal register search. */
2167 while (is_part_of_name (c
))
2173 status
= reg_name_search (name
);
2179 as_bad (_("Undefined register: '%s'."), name
);
2189 /* And finally, it could be a symbol in the absolute section which
2190 is effectively a constant, or a register alias symbol. */
2193 while (is_part_of_name (c
))
2199 if ((sym
= symbol_find (name
)) != NULL
)
2201 if (S_GET_SEGMENT (sym
) == reg_section
)
2203 num
= S_GET_VALUE (sym
);
2204 /* Well, we don't really have one, but we do have a
2208 else if (S_GET_SEGMENT (sym
) == bfd_abs_section_ptr
)
2209 num
= S_GET_VALUE (sym
);
2213 as_bad (_("Non-absolute symbol: '%s'."), name
);
2219 /* There is where we'd come for an undefined symbol
2220 or for an empty string. For an empty string we
2221 will return zero. That's a concession made for
2222 compatibility with the braindamaged HP assemblers. */
2228 as_bad (_("Undefined absolute constant: '%s'."), name
);
2237 if (!strict
|| have_prefix
)
2245 /* Return nonzero if the given INSN and L/R information will require
2246 a new PA-1.1 opcode. */
2249 need_pa11_opcode (void)
2251 if ((pa_number
& FP_REG_RSEL
) != 0
2252 && !(the_insn
.fpof1
== DBL
&& the_insn
.fpof2
== DBL
))
2254 /* If this instruction is specific to a particular architecture,
2255 then set a new architecture. */
2256 if (bfd_get_mach (stdoutput
) < pa11
)
2258 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, pa11
))
2259 as_warn (_("could not update architecture and machine"));
2267 /* Parse a condition for a fcmp instruction. Return the numerical
2268 code associated with the condition. */
2271 pa_parse_fp_cmp_cond (char **s
)
2277 for (i
= 0; i
< 32; i
++)
2279 if (strncasecmp (*s
, fp_cond_map
[i
].string
,
2280 strlen (fp_cond_map
[i
].string
)) == 0)
2282 cond
= fp_cond_map
[i
].cond
;
2283 *s
+= strlen (fp_cond_map
[i
].string
);
2284 /* If not a complete match, back up the input string and
2286 if (**s
!= ' ' && **s
!= '\t')
2288 *s
-= strlen (fp_cond_map
[i
].string
);
2291 while (**s
== ' ' || **s
== '\t')
2297 as_bad (_("Invalid FP Compare Condition: %s"), *s
);
2299 /* Advance over the bogus completer. */
2300 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2306 /* Parse a graphics test complete for ftest. */
2309 pa_parse_ftest_gfx_completer (char **s
)
2314 if (strncasecmp (*s
, "acc8", 4) == 0)
2319 else if (strncasecmp (*s
, "acc6", 4) == 0)
2324 else if (strncasecmp (*s
, "acc4", 4) == 0)
2329 else if (strncasecmp (*s
, "acc2", 4) == 0)
2334 else if (strncasecmp (*s
, "acc", 3) == 0)
2339 else if (strncasecmp (*s
, "rej8", 4) == 0)
2344 else if (strncasecmp (*s
, "rej", 3) == 0)
2352 as_bad (_("Invalid FTEST completer: %s"), *s
);
2358 /* Parse an FP operand format completer returning the completer
2361 static fp_operand_format
2362 pa_parse_fp_cnv_format (char **s
)
2370 if (strncasecmp (*s
, "sgl", 3) == 0)
2375 else if (strncasecmp (*s
, "dbl", 3) == 0)
2380 else if (strncasecmp (*s
, "quad", 4) == 0)
2385 else if (strncasecmp (*s
, "w", 1) == 0)
2390 else if (strncasecmp (*s
, "uw", 2) == 0)
2395 else if (strncasecmp (*s
, "dw", 2) == 0)
2400 else if (strncasecmp (*s
, "udw", 3) == 0)
2405 else if (strncasecmp (*s
, "qw", 2) == 0)
2410 else if (strncasecmp (*s
, "uqw", 3) == 0)
2417 format
= ILLEGAL_FMT
;
2418 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
2425 /* Parse an FP operand format completer returning the completer
2428 static fp_operand_format
2429 pa_parse_fp_format (char **s
)
2437 if (strncasecmp (*s
, "sgl", 3) == 0)
2442 else if (strncasecmp (*s
, "dbl", 3) == 0)
2447 else if (strncasecmp (*s
, "quad", 4) == 0)
2454 format
= ILLEGAL_FMT
;
2455 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
2462 /* Convert from a selector string into a selector type. */
2465 pa_chk_field_selector (char **str
)
2467 int middle
, low
, high
;
2471 /* Read past any whitespace. */
2472 /* FIXME: should we read past newlines and formfeeds??? */
2473 while (**str
== ' ' || **str
== '\t' || **str
== '\n' || **str
== '\f')
2476 if ((*str
)[1] == '\'' || (*str
)[1] == '%')
2477 name
[0] = TOLOWER ((*str
)[0]),
2479 else if ((*str
)[2] == '\'' || (*str
)[2] == '%')
2480 name
[0] = TOLOWER ((*str
)[0]),
2481 name
[1] = TOLOWER ((*str
)[1]),
2483 else if ((*str
)[3] == '\'' || (*str
)[3] == '%')
2484 name
[0] = TOLOWER ((*str
)[0]),
2485 name
[1] = TOLOWER ((*str
)[1]),
2486 name
[2] = TOLOWER ((*str
)[2]),
2492 high
= sizeof (selector_table
) / sizeof (struct selector_entry
) - 1;
2496 middle
= (low
+ high
) / 2;
2497 cmp
= strcmp (name
, selector_table
[middle
].prefix
);
2504 *str
+= strlen (name
) + 1;
2506 if (selector_table
[middle
].field_selector
== e_nsel
)
2509 return selector_table
[middle
].field_selector
;
2512 while (low
<= high
);
2517 /* Parse a .byte, .word, .long expression for the HPPA. Called by
2518 cons via the TC_PARSE_CONS_EXPRESSION macro. */
2521 parse_cons_expression_hppa (expressionS
*exp
)
2523 hppa_field_selector
= pa_chk_field_selector (&input_line_pointer
);
2527 /* Evaluate an absolute expression EXP which may be modified by
2528 the selector FIELD_SELECTOR. Return the value of the expression. */
2530 evaluate_absolute (struct pa_it
*insn
)
2534 int field_selector
= insn
->field_selector
;
2537 value
= exp
.X_add_number
;
2539 return hppa_field_adjust (0, value
, field_selector
);
2542 /* Mark (via expr_end) the end of an absolute expression. FIXME. */
2545 pa_get_absolute_expression (struct pa_it
*insn
, char **strp
)
2549 insn
->field_selector
= pa_chk_field_selector (strp
);
2550 save_in
= input_line_pointer
;
2551 input_line_pointer
= *strp
;
2552 expression (&insn
->exp
);
2553 expr_end
= input_line_pointer
;
2554 input_line_pointer
= save_in
;
2555 if (insn
->exp
.X_op
!= O_constant
)
2557 /* We have a non-match in strict mode. */
2559 as_bad (_("Bad segment (should be absolute)."));
2562 return evaluate_absolute (insn
);
2565 /* Get an absolute number. The input string is terminated at the
2566 first whitespace character. */
2569 pa_get_number (struct pa_it
*insn
, char **strp
)
2575 save_in
= input_line_pointer
;
2576 input_line_pointer
= *strp
;
2578 /* The PA assembly syntax is ambiguous in a variety of ways. Consider
2579 this string "4 %r5" Is that the number 4 followed by the register
2580 r5, or is that 4 MOD r5? This situation occurs for example in the
2581 coprocessor load and store instructions. Previously, calling
2582 pa_get_absolute_expression directly results in r5 being entered
2583 in the symbol table.
2585 So, when looking for an absolute number, we cut off the input string
2586 at the first whitespace character. Thus, expressions should generally
2587 contain no whitespace. */
2590 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2596 result
= pa_get_absolute_expression (insn
, strp
);
2598 input_line_pointer
= save_in
;
2603 /* Given an argument location specification return the associated
2604 argument location number. */
2607 pa_build_arg_reloc (char *type_name
)
2610 if (strncasecmp (type_name
, "no", 2) == 0)
2612 if (strncasecmp (type_name
, "gr", 2) == 0)
2614 else if (strncasecmp (type_name
, "fr", 2) == 0)
2616 else if (strncasecmp (type_name
, "fu", 2) == 0)
2619 as_bad (_("Invalid argument location: %s\n"), type_name
);
2624 /* Encode and return an argument relocation specification for
2625 the given register in the location specified by arg_reloc. */
2628 pa_align_arg_reloc (unsigned int reg
, unsigned int arg_reloc
)
2630 unsigned int new_reloc
;
2632 new_reloc
= arg_reloc
;
2648 as_bad (_("Invalid argument description: %d"), reg
);
2654 /* Parse a non-negated compare/subtract completer returning the
2655 number (for encoding in instructions) of the given completer. */
2658 pa_parse_nonneg_cmpsub_cmpltr (char **s
)
2661 char *name
= *s
+ 1;
2670 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2675 if (strcmp (name
, "=") == 0)
2679 else if (strcmp (name
, "<") == 0)
2683 else if (strcmp (name
, "<=") == 0)
2687 else if (strcmp (name
, "<<") == 0)
2691 else if (strcmp (name
, "<<=") == 0)
2695 else if (strcasecmp (name
, "sv") == 0)
2699 else if (strcasecmp (name
, "od") == 0)
2703 /* If we have something like addb,n then there is no condition
2705 else if (strcasecmp (name
, "n") == 0)
2717 /* Reset pointers if this was really a ,n for a branch instruction. */
2724 /* Parse a negated compare/subtract completer returning the
2725 number (for encoding in instructions) of the given completer. */
2728 pa_parse_neg_cmpsub_cmpltr (char **s
)
2731 char *name
= *s
+ 1;
2740 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2745 if (strcasecmp (name
, "tr") == 0)
2749 else if (strcmp (name
, "<>") == 0)
2753 else if (strcmp (name
, ">=") == 0)
2757 else if (strcmp (name
, ">") == 0)
2761 else if (strcmp (name
, ">>=") == 0)
2765 else if (strcmp (name
, ">>") == 0)
2769 else if (strcasecmp (name
, "nsv") == 0)
2773 else if (strcasecmp (name
, "ev") == 0)
2777 /* If we have something like addb,n then there is no condition
2779 else if (strcasecmp (name
, "n") == 0)
2791 /* Reset pointers if this was really a ,n for a branch instruction. */
2798 /* Parse a 64 bit compare and branch completer returning the number (for
2799 encoding in instructions) of the given completer.
2801 Nonnegated comparisons are returned as 0-7, negated comparisons are
2802 returned as 8-15. */
2805 pa_parse_cmpb_64_cmpltr (char **s
)
2808 char *name
= *s
+ 1;
2815 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2820 if (strcmp (name
, "*") == 0)
2824 else if (strcmp (name
, "*=") == 0)
2828 else if (strcmp (name
, "*<") == 0)
2832 else if (strcmp (name
, "*<=") == 0)
2836 else if (strcmp (name
, "*<<") == 0)
2840 else if (strcmp (name
, "*<<=") == 0)
2844 else if (strcasecmp (name
, "*sv") == 0)
2848 else if (strcasecmp (name
, "*od") == 0)
2852 else if (strcasecmp (name
, "*tr") == 0)
2856 else if (strcmp (name
, "*<>") == 0)
2860 else if (strcmp (name
, "*>=") == 0)
2864 else if (strcmp (name
, "*>") == 0)
2868 else if (strcmp (name
, "*>>=") == 0)
2872 else if (strcmp (name
, "*>>") == 0)
2876 else if (strcasecmp (name
, "*nsv") == 0)
2880 else if (strcasecmp (name
, "*ev") == 0)
2894 /* Parse a 64 bit compare immediate and branch completer returning the number
2895 (for encoding in instructions) of the given completer. */
2898 pa_parse_cmpib_64_cmpltr (char **s
)
2901 char *name
= *s
+ 1;
2908 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2913 if (strcmp (name
, "*<<") == 0)
2917 else if (strcmp (name
, "*=") == 0)
2921 else if (strcmp (name
, "*<") == 0)
2925 else if (strcmp (name
, "*<=") == 0)
2929 else if (strcmp (name
, "*>>=") == 0)
2933 else if (strcmp (name
, "*<>") == 0)
2937 else if (strcasecmp (name
, "*>=") == 0)
2941 else if (strcasecmp (name
, "*>") == 0)
2955 /* Parse a non-negated addition completer returning the number
2956 (for encoding in instructions) of the given completer. */
2959 pa_parse_nonneg_add_cmpltr (char **s
)
2962 char *name
= *s
+ 1;
2971 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2975 if (strcmp (name
, "=") == 0)
2979 else if (strcmp (name
, "<") == 0)
2983 else if (strcmp (name
, "<=") == 0)
2987 else if (strcasecmp (name
, "nuv") == 0)
2991 else if (strcasecmp (name
, "znv") == 0)
2995 else if (strcasecmp (name
, "sv") == 0)
2999 else if (strcasecmp (name
, "od") == 0)
3003 /* If we have something like addb,n then there is no condition
3005 else if (strcasecmp (name
, "n") == 0)
3017 /* Reset pointers if this was really a ,n for a branch instruction. */
3024 /* Parse a negated addition completer returning the number
3025 (for encoding in instructions) of the given completer. */
3028 pa_parse_neg_add_cmpltr (char **s
)
3031 char *name
= *s
+ 1;
3040 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
3044 if (strcasecmp (name
, "tr") == 0)
3048 else if (strcmp (name
, "<>") == 0)
3052 else if (strcmp (name
, ">=") == 0)
3056 else if (strcmp (name
, ">") == 0)
3060 else if (strcasecmp (name
, "uv") == 0)
3064 else if (strcasecmp (name
, "vnz") == 0)
3068 else if (strcasecmp (name
, "nsv") == 0)
3072 else if (strcasecmp (name
, "ev") == 0)
3076 /* If we have something like addb,n then there is no condition
3078 else if (strcasecmp (name
, "n") == 0)
3090 /* Reset pointers if this was really a ,n for a branch instruction. */
3097 /* Parse a 64 bit wide mode add and branch completer returning the number (for
3098 encoding in instructions) of the given completer. */
3101 pa_parse_addb_64_cmpltr (char **s
)
3104 char *name
= *s
+ 1;
3113 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
3117 if (strcmp (name
, "=") == 0)
3121 else if (strcmp (name
, "<") == 0)
3125 else if (strcmp (name
, "<=") == 0)
3129 else if (strcasecmp (name
, "nuv") == 0)
3133 else if (strcasecmp (name
, "*=") == 0)
3137 else if (strcasecmp (name
, "*<") == 0)
3141 else if (strcasecmp (name
, "*<=") == 0)
3145 else if (strcmp (name
, "tr") == 0)
3149 else if (strcmp (name
, "<>") == 0)
3153 else if (strcmp (name
, ">=") == 0)
3157 else if (strcmp (name
, ">") == 0)
3161 else if (strcasecmp (name
, "uv") == 0)
3165 else if (strcasecmp (name
, "*<>") == 0)
3169 else if (strcasecmp (name
, "*>=") == 0)
3173 else if (strcasecmp (name
, "*>") == 0)
3177 /* If we have something like addb,n then there is no condition
3179 else if (strcasecmp (name
, "n") == 0)
3191 /* Reset pointers if this was really a ,n for a branch instruction. */
3198 /* Do the real work for assembling a single instruction. Store results
3199 into the global "the_insn" variable. */
3204 char *error_message
= "";
3205 char *s
, c
, *argstart
, *name
, *save_s
;
3209 int cmpltr
, nullif
, flag
, cond
, need_cond
, num
;
3210 int immediate_check
= 0, pos
= -1, len
= -1;
3211 unsigned long opcode
;
3212 struct pa_opcode
*insn
;
3215 /* We must have a valid space and subspace. */
3216 pa_check_current_space_and_subspace ();
3219 /* Convert everything up to the first whitespace character into lower
3221 for (s
= str
; *s
!= ' ' && *s
!= '\t' && *s
!= '\n' && *s
!= '\0'; s
++)
3224 /* Skip to something interesting. */
3226 ISUPPER (*s
) || ISLOWER (*s
) || (*s
>= '0' && *s
<= '3');
3246 as_bad (_("Unknown opcode: `%s'"), str
);
3250 /* Look up the opcode in the hash table. */
3251 if ((insn
= (struct pa_opcode
*) hash_find (op_hash
, str
)) == NULL
)
3253 as_bad (_("Unknown opcode: `%s'"), str
);
3260 /* Mark the location where arguments for the instruction start, then
3261 start processing them. */
3265 /* Do some initialization. */
3266 opcode
= insn
->match
;
3267 strict
= (insn
->flags
& FLAG_STRICT
);
3268 memset (&the_insn
, 0, sizeof (the_insn
));
3271 the_insn
.reloc
= R_HPPA_NONE
;
3273 if (insn
->arch
>= pa20
3274 && bfd_get_mach (stdoutput
) < insn
->arch
)
3277 /* Build the opcode, checking as we go to make
3278 sure that the operands match. */
3279 for (args
= insn
->args
;; ++args
)
3281 /* Absorb white space in instruction. */
3282 while (*s
== ' ' || *s
== '\t')
3287 /* End of arguments. */
3303 /* These must match exactly. */
3312 /* Handle a 5 bit register or control register field at 10. */
3315 if (!pa_parse_number (&s
, 0))
3318 CHECK_FIELD (num
, 31, 0, 0);
3319 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3321 /* Handle %sar or %cr11. No bits get set, we just verify that it
3324 /* Skip whitespace before register. */
3325 while (*s
== ' ' || *s
== '\t')
3328 if (!strncasecmp (s
, "%sar", 4))
3333 else if (!strncasecmp (s
, "%cr11", 5))
3340 /* Handle a 5 bit register field at 15. */
3342 if (!pa_parse_number (&s
, 0))
3345 CHECK_FIELD (num
, 31, 0, 0);
3346 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3348 /* Handle a 5 bit register field at 31. */
3350 if (!pa_parse_number (&s
, 0))
3353 CHECK_FIELD (num
, 31, 0, 0);
3354 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3356 /* Handle a 5 bit register field at 10 and 15. */
3358 if (!pa_parse_number (&s
, 0))
3361 CHECK_FIELD (num
, 31, 0, 0);
3362 opcode
|= num
<< 16;
3363 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3365 /* Handle a 5 bit field length 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
, 32, 1, 0);
3372 SAVE_IMMEDIATE(num
);
3373 INSERT_FIELD_AND_CONTINUE (opcode
, 32 - num
, 0);
3375 /* Handle a 5 bit immediate at 15. */
3377 num
= pa_get_absolute_expression (&the_insn
, &s
);
3378 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3381 /* When in strict mode, we want to just reject this
3382 match instead of giving an out of range error. */
3383 CHECK_FIELD (num
, 15, -16, strict
);
3384 num
= low_sign_unext (num
, 5);
3385 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3387 /* Handle a 5 bit immediate at 31. */
3389 num
= pa_get_absolute_expression (&the_insn
, &s
);
3390 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3393 /* When in strict mode, we want to just reject this
3394 match instead of giving an out of range error. */
3395 CHECK_FIELD (num
, 15, -16, strict
);
3396 num
= low_sign_unext (num
, 5);
3397 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3399 /* Handle an unsigned 5 bit immediate at 31. */
3401 num
= pa_get_absolute_expression (&the_insn
, &s
);
3402 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3405 CHECK_FIELD (num
, 31, 0, strict
);
3406 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3408 /* Handle an unsigned 5 bit immediate at 15. */
3410 num
= pa_get_absolute_expression (&the_insn
, &s
);
3411 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3414 CHECK_FIELD (num
, 31, 0, strict
);
3415 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3417 /* Handle an unsigned 10 bit immediate at 15. */
3419 num
= pa_get_absolute_expression (&the_insn
, &s
);
3420 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3423 CHECK_FIELD (num
, 1023, 0, strict
);
3424 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3426 /* Handle a 2 bit space identifier at 17. */
3428 if (!pa_parse_number (&s
, 0))
3431 CHECK_FIELD (num
, 3, 0, 1);
3432 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 14);
3434 /* Handle a 3 bit space identifier at 18. */
3436 if (!pa_parse_number (&s
, 0))
3439 CHECK_FIELD (num
, 7, 0, 1);
3440 opcode
|= re_assemble_3 (num
);
3443 /* Handle all completers. */
3448 /* Handle a completer for an indexing load or store. */
3455 while (*s
== ',' && i
< 2)
3458 if (strncasecmp (s
, "sm", 2) == 0)
3465 else if (strncasecmp (s
, "m", 1) == 0)
3467 else if ((strncasecmp (s
, "s ", 2) == 0)
3468 || (strncasecmp (s
, "s,", 2) == 0))
3472 /* This is a match failure. */
3477 as_bad (_("Invalid Indexed Load Completer."));
3482 as_bad (_("Invalid Indexed Load Completer Syntax."));
3484 INSERT_FIELD_AND_CONTINUE (opcode
, uu
, 13);
3487 /* Handle a short load/store completer. */
3499 if (strncasecmp (s
, "ma", 2) == 0)
3505 else if (strncasecmp (s
, "mb", 2) == 0)
3512 /* This is a match failure. */
3516 as_bad (_("Invalid Short Load/Store Completer."));
3520 /* If we did not get a ma/mb completer, then we do not
3521 consider this a positive match for 'ce'. */
3522 else if (*args
== 'e')
3525 /* 'J', 'm', 'M' and 'q' are the same, except for where they
3526 encode the before/after field. */
3527 if (*args
== 'm' || *args
== 'M')
3530 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
3532 else if (*args
== 'q')
3535 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
3537 else if (*args
== 'J')
3539 /* M bit is explicit in the major opcode. */
3540 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
3542 else if (*args
== 'e')
3544 /* Stash the ma/mb flag temporarily in the
3545 instruction. We will use (and remove it)
3546 later when handling 'J', 'K', '<' & '>'. */
3552 /* Handle a stbys completer. */
3559 while (*s
== ',' && i
< 2)
3562 if (strncasecmp (s
, "m", 1) == 0)
3564 else if ((strncasecmp (s
, "b ", 2) == 0)
3565 || (strncasecmp (s
, "b,", 2) == 0))
3567 else if (strncasecmp (s
, "e", 1) == 0)
3569 /* In strict mode, this is a match failure. */
3576 as_bad (_("Invalid Store Bytes Short Completer"));
3581 as_bad (_("Invalid Store Bytes Short Completer"));
3583 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
3586 /* Handle load cache hint completer. */
3589 if (!strncmp (s
, ",sl", 3))
3594 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
3596 /* Handle store cache hint completer. */
3599 if (!strncmp (s
, ",sl", 3))
3604 else if (!strncmp (s
, ",bc", 3))
3609 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
3611 /* Handle load and clear cache hint completer. */
3614 if (!strncmp (s
, ",co", 3))
3619 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
3621 /* Handle load ordering completer. */
3623 if (strncmp (s
, ",o", 2) != 0)
3628 /* Handle a branch gate completer. */
3630 if (strncasecmp (s
, ",gate", 5) != 0)
3635 /* Handle a branch link and push completer. */
3637 if (strncasecmp (s
, ",l,push", 7) != 0)
3642 /* Handle a branch link completer. */
3644 if (strncasecmp (s
, ",l", 2) != 0)
3649 /* Handle a branch pop completer. */
3651 if (strncasecmp (s
, ",pop", 4) != 0)
3656 /* Handle a local processor completer. */
3658 if (strncasecmp (s
, ",l", 2) != 0)
3663 /* Handle a PROBE read/write completer. */
3666 if (!strncasecmp (s
, ",w", 2))
3671 else if (!strncasecmp (s
, ",r", 2))
3677 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
3679 /* Handle MFCTL wide completer. */
3681 if (strncasecmp (s
, ",w", 2) != 0)
3686 /* Handle an RFI restore completer. */
3689 if (!strncasecmp (s
, ",r", 2))
3695 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
3697 /* Handle a system control completer. */
3699 if (*s
== ',' && (*(s
+ 1) == 'm' || *(s
+ 1) == 'M'))
3707 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
3709 /* Handle intermediate/final completer for DCOR. */
3712 if (!strncasecmp (s
, ",i", 2))
3718 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
3720 /* Handle zero/sign extension completer. */
3723 if (!strncasecmp (s
, ",z", 2))
3729 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
3731 /* Handle add completer. */
3734 if (!strncasecmp (s
, ",l", 2))
3739 else if (!strncasecmp (s
, ",tsv", 4))
3745 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
3747 /* Handle 64 bit carry for ADD. */
3750 if (!strncasecmp (s
, ",dc,tsv", 7) ||
3751 !strncasecmp (s
, ",tsv,dc", 7))
3756 else if (!strncasecmp (s
, ",dc", 3))
3764 /* Condition is not required with "dc". */
3766 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3768 /* Handle 32 bit carry for ADD. */
3771 if (!strncasecmp (s
, ",c,tsv", 6) ||
3772 !strncasecmp (s
, ",tsv,c", 6))
3777 else if (!strncasecmp (s
, ",c", 2))
3785 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3787 /* Handle trap on signed overflow. */
3790 if (!strncasecmp (s
, ",tsv", 4))
3796 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3798 /* Handle trap on condition and overflow. */
3801 if (!strncasecmp (s
, ",tc,tsv", 7) ||
3802 !strncasecmp (s
, ",tsv,tc", 7))
3807 else if (!strncasecmp (s
, ",tc", 3))
3815 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3817 /* Handle 64 bit borrow for SUB. */
3820 if (!strncasecmp (s
, ",db,tsv", 7) ||
3821 !strncasecmp (s
, ",tsv,db", 7))
3826 else if (!strncasecmp (s
, ",db", 3))
3834 /* Condition is not required with "db". */
3836 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3838 /* Handle 32 bit borrow for SUB. */
3841 if (!strncasecmp (s
, ",b,tsv", 6) ||
3842 !strncasecmp (s
, ",tsv,b", 6))
3847 else if (!strncasecmp (s
, ",b", 2))
3855 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3857 /* Handle trap condition completer for UADDCM. */
3860 if (!strncasecmp (s
, ",tc", 3))
3866 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
3868 /* Handle signed/unsigned at 21. */
3872 if (strncasecmp (s
, ",s", 2) == 0)
3877 else if (strncasecmp (s
, ",u", 2) == 0)
3883 INSERT_FIELD_AND_CONTINUE (opcode
, sign
, 10);
3886 /* Handle left/right combination at 17:18. */
3896 as_bad (_("Invalid left/right combination completer"));
3899 INSERT_FIELD_AND_CONTINUE (opcode
, lr
, 13);
3902 as_bad (_("Invalid left/right combination completer"));
3905 /* Handle saturation at 24:25. */
3909 if (strncasecmp (s
, ",ss", 3) == 0)
3914 else if (strncasecmp (s
, ",us", 3) == 0)
3920 INSERT_FIELD_AND_CONTINUE (opcode
, sat
, 6);
3923 /* Handle permutation completer. */
3951 as_bad (_("Invalid permutation completer"));
3953 opcode
|= perm
<< permloc
[i
];
3958 as_bad (_("Invalid permutation completer"));
3966 /* Handle all conditions. */
3972 /* Handle FP compare conditions. */
3974 cond
= pa_parse_fp_cmp_cond (&s
);
3975 INSERT_FIELD_AND_CONTINUE (opcode
, cond
, 0);
3977 /* Handle an add condition. */
3986 /* 64 bit conditions. */
3998 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
4002 if (strcmp (name
, "=") == 0)
4004 else if (strcmp (name
, "<") == 0)
4006 else if (strcmp (name
, "<=") == 0)
4008 else if (strcasecmp (name
, "nuv") == 0)
4010 else if (strcasecmp (name
, "znv") == 0)
4012 else if (strcasecmp (name
, "sv") == 0)
4014 else if (strcasecmp (name
, "od") == 0)
4016 else if (strcasecmp (name
, "tr") == 0)
4021 else if (strcmp (name
, "<>") == 0)
4026 else if (strcmp (name
, ">=") == 0)
4031 else if (strcmp (name
, ">") == 0)
4036 else if (strcasecmp (name
, "uv") == 0)
4041 else if (strcasecmp (name
, "vnz") == 0)
4046 else if (strcasecmp (name
, "nsv") == 0)
4051 else if (strcasecmp (name
, "ev") == 0)
4056 /* ",*" is a valid condition. */
4057 else if (*args
== 'a' || *name
)
4058 as_bad (_("Invalid Add Condition: %s"), name
);
4061 /* Except with "dc", we have a match failure with
4062 'A' if we don't have a doubleword condition. */
4063 else if (*args
== 'A' && need_cond
)
4066 opcode
|= cmpltr
<< 13;
4067 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
4069 /* Handle non-negated add and branch condition. */
4071 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
4074 as_bad (_("Invalid Add and Branch Condition"));
4077 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4079 /* Handle 64 bit wide-mode add and branch condition. */
4081 cmpltr
= pa_parse_addb_64_cmpltr (&s
);
4084 as_bad (_("Invalid Add and Branch Condition"));
4089 /* Negated condition requires an opcode change. */
4090 opcode
|= (cmpltr
& 8) << 24;
4092 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
4094 /* Handle a negated or non-negated add and branch
4098 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
4102 cmpltr
= pa_parse_neg_add_cmpltr (&s
);
4105 as_bad (_("Invalid Compare/Subtract Condition"));
4110 /* Negated condition requires an opcode change. */
4114 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4116 /* Handle branch on bit conditions. */
4134 if (strncmp (s
, "<", 1) == 0)
4139 else if (strncmp (s
, ">=", 2) == 0)
4145 as_bad (_("Invalid Branch On Bit Condition: %c"), *s
);
4148 as_bad (_("Missing Branch On Bit Condition"));
4150 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 15);
4152 /* Handle a compare/subtract condition. */
4161 /* 64 bit conditions. */
4173 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
4177 if (strcmp (name
, "=") == 0)
4179 else if (strcmp (name
, "<") == 0)
4181 else if (strcmp (name
, "<=") == 0)
4183 else if (strcasecmp (name
, "<<") == 0)
4185 else if (strcasecmp (name
, "<<=") == 0)
4187 else if (strcasecmp (name
, "sv") == 0)
4189 else if (strcasecmp (name
, "od") == 0)
4191 else if (strcasecmp (name
, "tr") == 0)
4196 else if (strcmp (name
, "<>") == 0)
4201 else if (strcmp (name
, ">=") == 0)
4206 else if (strcmp (name
, ">") == 0)
4211 else if (strcasecmp (name
, ">>=") == 0)
4216 else if (strcasecmp (name
, ">>") == 0)
4221 else if (strcasecmp (name
, "nsv") == 0)
4226 else if (strcasecmp (name
, "ev") == 0)
4231 /* ",*" is a valid condition. */
4232 else if (*args
!= 'S' || *name
)
4233 as_bad (_("Invalid Compare/Subtract Condition: %s"),
4237 /* Except with "db", we have a match failure with
4238 'S' if we don't have a doubleword condition. */
4239 else if (*args
== 'S' && need_cond
)
4242 opcode
|= cmpltr
<< 13;
4243 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
4245 /* Handle a non-negated compare condition. */
4247 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
4250 as_bad (_("Invalid Compare/Subtract Condition"));
4253 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4255 /* Handle a 32 bit compare and branch condition. */
4258 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
4262 cmpltr
= pa_parse_neg_cmpsub_cmpltr (&s
);
4265 as_bad (_("Invalid Compare and Branch Condition"));
4270 /* Negated condition requires an opcode change. */
4275 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4277 /* Handle a 64 bit compare and branch condition. */
4279 cmpltr
= pa_parse_cmpb_64_cmpltr (&s
);
4282 /* Negated condition requires an opcode change. */
4283 opcode
|= (cmpltr
& 8) << 26;
4286 /* Not a 64 bit cond. Give 32 bit a chance. */
4289 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
4291 /* Handle a 64 bit cmpib condition. */
4293 cmpltr
= pa_parse_cmpib_64_cmpltr (&s
);
4295 /* Not a 64 bit cond. Give 32 bit a chance. */
4298 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4300 /* Handle a logical instruction condition. */
4309 /* 64 bit conditions. */
4321 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
4326 if (strcmp (name
, "=") == 0)
4328 else if (strcmp (name
, "<") == 0)
4330 else if (strcmp (name
, "<=") == 0)
4332 else if (strcasecmp (name
, "od") == 0)
4334 else if (strcasecmp (name
, "tr") == 0)
4339 else if (strcmp (name
, "<>") == 0)
4344 else if (strcmp (name
, ">=") == 0)
4349 else if (strcmp (name
, ">") == 0)
4354 else if (strcasecmp (name
, "ev") == 0)
4359 /* ",*" is a valid condition. */
4360 else if (*args
!= 'L' || *name
)
4361 as_bad (_("Invalid Logical Instruction Condition."));
4364 /* 32-bit is default for no condition. */
4365 else if (*args
== 'L')
4368 opcode
|= cmpltr
<< 13;
4369 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
4371 /* Handle a shift/extract/deposit condition. */
4376 /* Check immediate values in shift/extract/deposit
4377 * instructions if they will give undefined behaviour. */
4378 immediate_check
= 1;
4383 /* 64 bit conditions. */
4395 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
4399 if (strcmp (name
, "=") == 0)
4401 else if (strcmp (name
, "<") == 0)
4403 else if (strcasecmp (name
, "od") == 0)
4405 else if (strcasecmp (name
, "tr") == 0)
4407 else if (strcmp (name
, "<>") == 0)
4409 else if (strcmp (name
, ">=") == 0)
4411 else if (strcasecmp (name
, "ev") == 0)
4413 /* Handle movb,n. Put things back the way they were.
4414 This includes moving s back to where it started. */
4415 else if (strcasecmp (name
, "n") == 0 && *args
== 'y')
4421 /* ",*" is a valid condition. */
4422 else if (*args
!= 'X' || *name
)
4423 as_bad (_("Invalid Shift/Extract/Deposit Condition."));
4427 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4429 /* Handle a unit instruction condition. */
4439 /* 64 bit conditions. */
4450 /* The uxor instruction only supports unit conditions
4451 not involving carries. */
4452 uxor
= (opcode
& 0xfc000fc0) == 0x08000380;
4453 if (strncasecmp (s
, "sbz", 3) == 0)
4458 else if (strncasecmp (s
, "shz", 3) == 0)
4463 else if (!uxor
&& strncasecmp (s
, "sdc", 3) == 0)
4468 else if (!uxor
&& strncasecmp (s
, "sbc", 3) == 0)
4473 else if (!uxor
&& strncasecmp (s
, "shc", 3) == 0)
4478 else if (strncasecmp (s
, "tr", 2) == 0)
4484 else if (strncasecmp (s
, "nbz", 3) == 0)
4490 else if (strncasecmp (s
, "nhz", 3) == 0)
4496 else if (!uxor
&& strncasecmp (s
, "ndc", 3) == 0)
4502 else if (!uxor
&& strncasecmp (s
, "nbc", 3) == 0)
4508 else if (!uxor
&& strncasecmp (s
, "nhc", 3) == 0)
4514 else if (strncasecmp (s
, "swz", 3) == 0)
4520 else if (!uxor
&& strncasecmp (s
, "swc", 3) == 0)
4526 else if (strncasecmp (s
, "nwz", 3) == 0)
4532 else if (!uxor
&& strncasecmp (s
, "nwc", 3) == 0)
4538 /* ",*" is a valid condition. */
4539 else if (*args
!= 'U' || (*s
!= ' ' && *s
!= '\t'))
4540 as_bad (_("Invalid Unit Instruction Condition."));
4542 /* 32-bit is default for no condition. */
4543 else if (*args
== 'U')
4546 opcode
|= cmpltr
<< 13;
4547 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
4555 /* Handle a nullification completer for branch instructions. */
4557 nullif
= pa_parse_nullif (&s
);
4558 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 1);
4560 /* Handle a nullification completer for copr and spop insns. */
4562 nullif
= pa_parse_nullif (&s
);
4563 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 5);
4565 /* Handle ,%r2 completer for new syntax branches. */
4567 if (*s
== ',' && strncasecmp (s
+ 1, "%r2", 3) == 0)
4569 else if (*s
== ',' && strncasecmp (s
+ 1, "%rp", 3) == 0)
4575 /* Handle 3 bit entry into the fp compare array. Valid values
4576 are 0..6 inclusive. */
4580 if (the_insn
.exp
.X_op
== O_constant
)
4582 num
= evaluate_absolute (&the_insn
);
4583 CHECK_FIELD (num
, 6, 0, 0);
4585 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
4590 /* Handle 3 bit entry into the fp compare array. Valid values
4591 are 0..6 inclusive. */
4594 if (the_insn
.exp
.X_op
== O_constant
)
4597 num
= evaluate_absolute (&the_insn
);
4598 CHECK_FIELD (num
, 6, 0, 0);
4599 num
= (num
+ 1) ^ 1;
4600 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
4605 /* Handle graphics test completers for ftest */
4608 num
= pa_parse_ftest_gfx_completer (&s
);
4609 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4612 /* Handle a 11 bit immediate at 31. */
4614 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4617 if (the_insn
.exp
.X_op
== O_constant
)
4619 num
= evaluate_absolute (&the_insn
);
4620 CHECK_FIELD (num
, 1023, -1024, 0);
4621 num
= low_sign_unext (num
, 11);
4622 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4626 if (is_DP_relative (the_insn
.exp
))
4627 the_insn
.reloc
= R_HPPA_GOTOFF
;
4628 else if (is_PC_relative (the_insn
.exp
))
4629 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4631 else if (is_tls_gdidx (the_insn
.exp
))
4632 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4633 else if (is_tls_ldidx (the_insn
.exp
))
4634 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4635 else if (is_tls_dtpoff (the_insn
.exp
))
4636 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4637 else if (is_tls_ieoff (the_insn
.exp
))
4638 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4639 else if (is_tls_leoff (the_insn
.exp
))
4640 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4643 the_insn
.reloc
= R_HPPA
;
4644 the_insn
.format
= 11;
4648 /* Handle a 14 bit immediate at 31. */
4650 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4653 if (the_insn
.exp
.X_op
== O_constant
)
4657 /* XXX the completer stored away tidbits of information
4658 for us to extract. We need a cleaner way to do this.
4659 Now that we have lots of letters again, it would be
4660 good to rethink this. */
4663 num
= evaluate_absolute (&the_insn
);
4664 if (mb
!= (num
< 0))
4666 CHECK_FIELD (num
, 8191, -8192, 0);
4667 num
= low_sign_unext (num
, 14);
4668 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4672 /* Handle a 14 bit immediate at 31. */
4674 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4677 if (the_insn
.exp
.X_op
== O_constant
)
4683 num
= evaluate_absolute (&the_insn
);
4684 if (mb
== (num
< 0))
4688 CHECK_FIELD (num
, 8191, -8192, 0);
4689 num
= low_sign_unext (num
, 14);
4690 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4694 /* Handle a 16 bit immediate at 31. */
4696 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4699 if (the_insn
.exp
.X_op
== O_constant
)
4705 num
= evaluate_absolute (&the_insn
);
4706 if (mb
!= (num
< 0))
4708 CHECK_FIELD (num
, 32767, -32768, 0);
4709 num
= re_assemble_16 (num
);
4710 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4714 /* Handle a 16 bit immediate at 31. */
4716 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4719 if (the_insn
.exp
.X_op
== O_constant
)
4725 num
= evaluate_absolute (&the_insn
);
4726 if (mb
== (num
< 0))
4730 CHECK_FIELD (num
, 32767, -32768, 0);
4731 num
= re_assemble_16 (num
);
4732 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4736 /* Handle 14 bit immediate, shifted left three times. */
4738 if (bfd_get_mach (stdoutput
) != pa20
)
4740 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4743 if (the_insn
.exp
.X_op
== O_constant
)
4745 num
= evaluate_absolute (&the_insn
);
4748 CHECK_FIELD (num
, 8191, -8192, 0);
4753 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 4);
4757 if (is_DP_relative (the_insn
.exp
))
4758 the_insn
.reloc
= R_HPPA_GOTOFF
;
4759 else if (is_PC_relative (the_insn
.exp
))
4760 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4762 else if (is_tls_gdidx (the_insn
.exp
))
4763 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4764 else if (is_tls_ldidx (the_insn
.exp
))
4765 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4766 else if (is_tls_dtpoff (the_insn
.exp
))
4767 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4768 else if (is_tls_ieoff (the_insn
.exp
))
4769 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4770 else if (is_tls_leoff (the_insn
.exp
))
4771 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4774 the_insn
.reloc
= R_HPPA
;
4775 the_insn
.format
= 14;
4780 /* Handle 14 bit immediate, shifted left twice. */
4782 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4785 if (the_insn
.exp
.X_op
== O_constant
)
4787 num
= evaluate_absolute (&the_insn
);
4790 CHECK_FIELD (num
, 8191, -8192, 0);
4795 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
4799 if (is_DP_relative (the_insn
.exp
))
4800 the_insn
.reloc
= R_HPPA_GOTOFF
;
4801 else if (is_PC_relative (the_insn
.exp
))
4802 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4804 else if (is_tls_gdidx (the_insn
.exp
))
4805 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4806 else if (is_tls_ldidx (the_insn
.exp
))
4807 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4808 else if (is_tls_dtpoff (the_insn
.exp
))
4809 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4810 else if (is_tls_ieoff (the_insn
.exp
))
4811 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4812 else if (is_tls_leoff (the_insn
.exp
))
4813 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4816 the_insn
.reloc
= R_HPPA
;
4817 the_insn
.format
= 14;
4821 /* Handle a 14 bit immediate at 31. */
4823 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4826 if (the_insn
.exp
.X_op
== O_constant
)
4828 num
= evaluate_absolute (&the_insn
);
4829 CHECK_FIELD (num
, 8191, -8192, 0);
4830 num
= low_sign_unext (num
, 14);
4831 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4835 if (is_DP_relative (the_insn
.exp
))
4836 the_insn
.reloc
= R_HPPA_GOTOFF
;
4837 else if (is_PC_relative (the_insn
.exp
))
4838 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4840 else if (is_tls_gdidx (the_insn
.exp
))
4841 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4842 else if (is_tls_ldidx (the_insn
.exp
))
4843 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4844 else if (is_tls_dtpoff (the_insn
.exp
))
4845 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4846 else if (is_tls_ieoff (the_insn
.exp
))
4847 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4848 else if (is_tls_leoff (the_insn
.exp
))
4849 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4852 the_insn
.reloc
= R_HPPA
;
4853 the_insn
.format
= 14;
4857 /* Handle a 21 bit immediate at 31. */
4859 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4862 if (the_insn
.exp
.X_op
== O_constant
)
4864 num
= evaluate_absolute (&the_insn
);
4865 CHECK_FIELD (num
>> 11, 1048575, -1048576, 0);
4866 opcode
|= re_assemble_21 (num
);
4871 if (is_DP_relative (the_insn
.exp
))
4872 the_insn
.reloc
= R_HPPA_GOTOFF
;
4873 else if (is_PC_relative (the_insn
.exp
))
4874 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4876 else if (is_tls_gdidx (the_insn
.exp
))
4877 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4878 else if (is_tls_ldidx (the_insn
.exp
))
4879 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4880 else if (is_tls_dtpoff (the_insn
.exp
))
4881 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4882 else if (is_tls_ieoff (the_insn
.exp
))
4883 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4884 else if (is_tls_leoff (the_insn
.exp
))
4885 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4888 the_insn
.reloc
= R_HPPA
;
4889 the_insn
.format
= 21;
4893 /* Handle a 16 bit immediate at 31 (PA 2.0 wide mode only). */
4895 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4898 if (the_insn
.exp
.X_op
== O_constant
)
4900 num
= evaluate_absolute (&the_insn
);
4901 CHECK_FIELD (num
, 32767, -32768, 0);
4902 opcode
|= re_assemble_16 (num
);
4907 /* ??? Is this valid for wide mode? */
4908 if (is_DP_relative (the_insn
.exp
))
4909 the_insn
.reloc
= R_HPPA_GOTOFF
;
4910 else if (is_PC_relative (the_insn
.exp
))
4911 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4913 else if (is_tls_gdidx (the_insn
.exp
))
4914 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4915 else if (is_tls_ldidx (the_insn
.exp
))
4916 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4917 else if (is_tls_dtpoff (the_insn
.exp
))
4918 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4919 else if (is_tls_ieoff (the_insn
.exp
))
4920 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4921 else if (is_tls_leoff (the_insn
.exp
))
4922 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4925 the_insn
.reloc
= R_HPPA
;
4926 the_insn
.format
= 14;
4930 /* Handle a word-aligned 16-bit imm. at 31 (PA2.0 wide). */
4932 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4935 if (the_insn
.exp
.X_op
== O_constant
)
4937 num
= evaluate_absolute (&the_insn
);
4938 CHECK_FIELD (num
, 32767, -32768, 0);
4939 CHECK_ALIGN (num
, 4, 0);
4940 opcode
|= re_assemble_16 (num
);
4945 /* ??? Is this valid for wide mode? */
4946 if (is_DP_relative (the_insn
.exp
))
4947 the_insn
.reloc
= R_HPPA_GOTOFF
;
4948 else if (is_PC_relative (the_insn
.exp
))
4949 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4951 else if (is_tls_gdidx (the_insn
.exp
))
4952 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4953 else if (is_tls_ldidx (the_insn
.exp
))
4954 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4955 else if (is_tls_dtpoff (the_insn
.exp
))
4956 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4957 else if (is_tls_ieoff (the_insn
.exp
))
4958 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4959 else if (is_tls_leoff (the_insn
.exp
))
4960 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4963 the_insn
.reloc
= R_HPPA
;
4964 the_insn
.format
= 14;
4968 /* Handle a dword-aligned 16-bit imm. at 31 (PA2.0 wide). */
4970 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4973 if (the_insn
.exp
.X_op
== O_constant
)
4975 num
= evaluate_absolute (&the_insn
);
4976 CHECK_FIELD (num
, 32767, -32768, 0);
4977 CHECK_ALIGN (num
, 8, 0);
4978 opcode
|= re_assemble_16 (num
);
4983 /* ??? Is this valid for wide mode? */
4984 if (is_DP_relative (the_insn
.exp
))
4985 the_insn
.reloc
= R_HPPA_GOTOFF
;
4986 else if (is_PC_relative (the_insn
.exp
))
4987 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4989 else if (is_tls_gdidx (the_insn
.exp
))
4990 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4991 else if (is_tls_ldidx (the_insn
.exp
))
4992 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4993 else if (is_tls_dtpoff (the_insn
.exp
))
4994 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4995 else if (is_tls_ieoff (the_insn
.exp
))
4996 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4997 else if (is_tls_leoff (the_insn
.exp
))
4998 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
5001 the_insn
.reloc
= R_HPPA
;
5002 the_insn
.format
= 14;
5006 /* Handle a 12 bit branch displacement. */
5008 the_insn
.field_selector
= pa_chk_field_selector (&s
);
5012 if (!the_insn
.exp
.X_add_symbol
5013 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
5016 num
= evaluate_absolute (&the_insn
);
5019 as_bad (_("Branch to unaligned address"));
5022 if (the_insn
.exp
.X_add_symbol
)
5024 CHECK_FIELD (num
, 8191, -8192, 0);
5025 opcode
|= re_assemble_12 (num
>> 2);
5030 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
5031 the_insn
.format
= 12;
5032 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
5033 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
5038 /* Handle a 17 bit branch displacement. */
5040 the_insn
.field_selector
= pa_chk_field_selector (&s
);
5044 if (!the_insn
.exp
.X_add_symbol
5045 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
5048 num
= evaluate_absolute (&the_insn
);
5051 as_bad (_("Branch to unaligned address"));
5054 if (the_insn
.exp
.X_add_symbol
)
5056 CHECK_FIELD (num
, 262143, -262144, 0);
5057 opcode
|= re_assemble_17 (num
>> 2);
5062 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
5063 the_insn
.format
= 17;
5064 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
5065 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
5069 /* Handle a 22 bit branch displacement. */
5071 the_insn
.field_selector
= pa_chk_field_selector (&s
);
5075 if (!the_insn
.exp
.X_add_symbol
5076 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
5079 num
= evaluate_absolute (&the_insn
);
5082 as_bad (_("Branch to unaligned address"));
5085 if (the_insn
.exp
.X_add_symbol
)
5087 CHECK_FIELD (num
, 8388607, -8388608, 0);
5088 opcode
|= re_assemble_22 (num
>> 2);
5092 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
5093 the_insn
.format
= 22;
5094 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
5095 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
5099 /* Handle an absolute 17 bit branch target. */
5101 the_insn
.field_selector
= pa_chk_field_selector (&s
);
5105 if (!the_insn
.exp
.X_add_symbol
5106 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
5109 num
= evaluate_absolute (&the_insn
);
5112 as_bad (_("Branch to unaligned address"));
5115 if (the_insn
.exp
.X_add_symbol
)
5117 CHECK_FIELD (num
, 262143, -262144, 0);
5118 opcode
|= re_assemble_17 (num
>> 2);
5123 the_insn
.reloc
= R_HPPA_ABS_CALL
;
5124 the_insn
.format
= 17;
5125 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
5126 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
5130 /* Handle '%r1' implicit operand of addil instruction. */
5132 if (*s
== ',' && *(s
+ 1) == '%' && *(s
+ 3) == '1'
5133 && (*(s
+ 2) == 'r' || *(s
+ 2) == 'R'))
5141 /* Handle '%sr0,%r31' implicit operand of be,l instruction. */
5143 if (strncasecmp (s
, "%sr0,%r31", 9) != 0)
5148 /* Handle immediate value of 0 for ordered load/store instructions. */
5155 /* Handle a 2 bit shift count at 25. */
5157 num
= pa_get_absolute_expression (&the_insn
, &s
);
5158 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5161 CHECK_FIELD (num
, 3, 1, strict
);
5162 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5164 /* Handle a 4 bit shift count at 25. */
5166 num
= pa_get_absolute_expression (&the_insn
, &s
);
5167 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5170 CHECK_FIELD (num
, 15, 0, strict
);
5171 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5173 /* Handle a 5 bit shift count at 26. */
5175 num
= pa_get_absolute_expression (&the_insn
, &s
);
5176 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5179 CHECK_FIELD (num
, 31, 0, strict
);
5180 SAVE_IMMEDIATE(num
);
5181 INSERT_FIELD_AND_CONTINUE (opcode
, 31 - num
, 5);
5183 /* Handle a 6 bit shift count at 20,22:26. */
5185 num
= pa_get_absolute_expression (&the_insn
, &s
);
5186 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5189 CHECK_FIELD (num
, 63, 0, strict
);
5190 SAVE_IMMEDIATE(num
);
5192 opcode
|= (num
& 0x20) << 6;
5193 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
5195 /* Handle a 6 bit field length at 23,27:31. */
5198 num
= pa_get_absolute_expression (&the_insn
, &s
);
5199 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5202 CHECK_FIELD (num
, 64, 1, strict
);
5203 SAVE_IMMEDIATE(num
);
5205 opcode
|= (num
& 0x20) << 3;
5206 num
= 31 - (num
& 0x1f);
5207 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5209 /* Handle a 6 bit field length at 19,27:31. */
5211 num
= pa_get_absolute_expression (&the_insn
, &s
);
5212 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5215 CHECK_FIELD (num
, 64, 1, strict
);
5216 SAVE_IMMEDIATE(num
);
5218 opcode
|= (num
& 0x20) << 7;
5219 num
= 31 - (num
& 0x1f);
5220 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5222 /* Handle a 5 bit bit position at 26. */
5224 num
= pa_get_absolute_expression (&the_insn
, &s
);
5225 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5228 CHECK_FIELD (num
, 31, 0, strict
);
5229 SAVE_IMMEDIATE(num
);
5230 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 5);
5232 /* Handle a 6 bit bit position at 20,22:26. */
5234 num
= pa_get_absolute_expression (&the_insn
, &s
);
5235 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5238 CHECK_FIELD (num
, 63, 0, strict
);
5239 SAVE_IMMEDIATE(num
);
5240 opcode
|= (num
& 0x20) << 6;
5241 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
5243 /* Handle a 5 bit immediate at 10 with 'd' as the complement
5244 of the high bit of the immediate. */
5246 num
= pa_get_absolute_expression (&the_insn
, &s
);
5247 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5250 CHECK_FIELD (num
, 63, 0, strict
);
5254 opcode
|= (1 << 13);
5255 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 21);
5257 /* Handle a 5 bit immediate at 10. */
5259 num
= pa_get_absolute_expression (&the_insn
, &s
);
5260 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5263 CHECK_FIELD (num
, 31, 0, strict
);
5264 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
5266 /* Handle a 9 bit immediate at 28. */
5268 num
= pa_get_absolute_expression (&the_insn
, &s
);
5269 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5272 CHECK_FIELD (num
, 511, 1, strict
);
5273 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
5275 /* Handle a 13 bit immediate at 18. */
5277 num
= pa_get_absolute_expression (&the_insn
, &s
);
5278 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5281 CHECK_FIELD (num
, 8191, 0, strict
);
5282 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
5284 /* Handle a 26 bit immediate at 31. */
5286 num
= pa_get_absolute_expression (&the_insn
, &s
);
5287 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5290 CHECK_FIELD (num
, 67108863, 0, strict
);
5291 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5293 /* Handle a 3 bit SFU identifier at 25. */
5296 as_bad (_("Invalid SFU identifier"));
5297 num
= pa_get_number (&the_insn
, &s
);
5298 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5301 CHECK_FIELD (num
, 7, 0, strict
);
5302 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5304 /* Handle a 20 bit SOP field for spop0. */
5306 num
= pa_get_number (&the_insn
, &s
);
5307 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5310 CHECK_FIELD (num
, 1048575, 0, strict
);
5311 num
= (num
& 0x1f) | ((num
& 0x000fffe0) << 6);
5312 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5314 /* Handle a 15bit SOP field for spop1. */
5316 num
= pa_get_number (&the_insn
, &s
);
5317 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5320 CHECK_FIELD (num
, 32767, 0, strict
);
5321 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
5323 /* Handle a 10bit SOP field for spop3. */
5325 num
= pa_get_number (&the_insn
, &s
);
5326 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5329 CHECK_FIELD (num
, 1023, 0, strict
);
5330 num
= (num
& 0x1f) | ((num
& 0x000003e0) << 6);
5331 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5333 /* Handle a 15 bit SOP field for spop2. */
5335 num
= pa_get_number (&the_insn
, &s
);
5336 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5339 CHECK_FIELD (num
, 32767, 0, strict
);
5340 num
= (num
& 0x1f) | ((num
& 0x00007fe0) << 6);
5341 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5343 /* Handle a 3-bit co-processor ID field. */
5346 as_bad (_("Invalid COPR identifier"));
5347 num
= pa_get_number (&the_insn
, &s
);
5348 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5351 CHECK_FIELD (num
, 7, 0, strict
);
5352 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5354 /* Handle a 22bit SOP field for copr. */
5356 num
= pa_get_number (&the_insn
, &s
);
5357 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5360 CHECK_FIELD (num
, 4194303, 0, strict
);
5361 num
= (num
& 0x1f) | ((num
& 0x003fffe0) << 4);
5362 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5364 /* Handle a source FP operand format completer. */
5366 if (*s
== ',' && *(s
+1) == 't')
5373 flag
= pa_parse_fp_cnv_format (&s
);
5374 the_insn
.fpof1
= flag
;
5375 if (flag
== W
|| flag
== UW
)
5377 if (flag
== DW
|| flag
== UDW
)
5379 if (flag
== QW
|| flag
== UQW
)
5381 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
5383 /* Handle a destination FP operand format completer. */
5385 /* pa_parse_format needs the ',' prefix. */
5387 flag
= pa_parse_fp_cnv_format (&s
);
5388 the_insn
.fpof2
= flag
;
5389 if (flag
== W
|| flag
== UW
)
5391 if (flag
== DW
|| flag
== UDW
)
5393 if (flag
== QW
|| flag
== UQW
)
5395 opcode
|= flag
<< 13;
5396 if (the_insn
.fpof1
== SGL
5397 || the_insn
.fpof1
== DBL
5398 || the_insn
.fpof1
== QUAD
)
5400 if (the_insn
.fpof2
== SGL
5401 || the_insn
.fpof2
== DBL
5402 || the_insn
.fpof2
== QUAD
)
5404 else if (the_insn
.fpof2
== W
5405 || the_insn
.fpof2
== DW
5406 || the_insn
.fpof2
== QW
)
5408 else if (the_insn
.fpof2
== UW
5409 || the_insn
.fpof2
== UDW
5410 || the_insn
.fpof2
== UQW
)
5415 else if (the_insn
.fpof1
== W
5416 || the_insn
.fpof1
== DW
5417 || the_insn
.fpof1
== QW
)
5419 if (the_insn
.fpof2
== SGL
5420 || the_insn
.fpof2
== DBL
5421 || the_insn
.fpof2
== QUAD
)
5426 else if (the_insn
.fpof1
== UW
5427 || the_insn
.fpof1
== UDW
5428 || the_insn
.fpof1
== UQW
)
5430 if (the_insn
.fpof2
== SGL
5431 || the_insn
.fpof2
== DBL
5432 || the_insn
.fpof2
== QUAD
)
5437 flag
|= the_insn
.trunc
;
5438 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 15);
5440 /* Handle a source FP operand format completer. */
5442 flag
= pa_parse_fp_format (&s
);
5443 the_insn
.fpof1
= flag
;
5444 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
5446 /* Handle a destination FP operand format completer. */
5448 /* pa_parse_format needs the ',' prefix. */
5450 flag
= pa_parse_fp_format (&s
);
5451 the_insn
.fpof2
= flag
;
5452 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 13);
5454 /* Handle a source FP operand format completer at 20. */
5456 flag
= pa_parse_fp_format (&s
);
5457 the_insn
.fpof1
= flag
;
5458 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
5460 /* Handle a floating point operand format at 26.
5461 Only allows single and double precision. */
5463 flag
= pa_parse_fp_format (&s
);
5469 the_insn
.fpof1
= flag
;
5475 as_bad (_("Invalid Floating Point Operand Format."));
5479 /* Handle all floating point registers. */
5483 /* Float target register. */
5485 if (!pa_parse_number (&s
, 3))
5487 /* RSEL should not be set. */
5488 if (pa_number
& FP_REG_RSEL
)
5490 num
= pa_number
- FP_REG_BASE
;
5491 CHECK_FIELD (num
, 31, 0, 0);
5492 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5494 /* Float target register with L/R selection. */
5497 if (!pa_parse_number (&s
, 1))
5499 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5500 CHECK_FIELD (num
, 31, 0, 0);
5503 /* 0x30 opcodes are FP arithmetic operation opcodes
5504 and need to be turned into 0x38 opcodes. This
5505 is not necessary for loads/stores. */
5506 if (need_pa11_opcode ()
5507 && ((opcode
& 0xfc000000) == 0x30000000))
5510 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 6 : 0);
5514 /* Float operand 1. */
5517 if (!pa_parse_number (&s
, 1))
5519 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5520 CHECK_FIELD (num
, 31, 0, 0);
5521 opcode
|= num
<< 21;
5522 if (need_pa11_opcode ())
5524 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
5530 /* Float operand 1 with L/R selection. */
5534 if (!pa_parse_number (&s
, 1))
5536 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5537 CHECK_FIELD (num
, 31, 0, 0);
5538 opcode
|= num
<< 21;
5539 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
5543 /* Float operand 2. */
5546 if (!pa_parse_number (&s
, 1))
5548 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5549 CHECK_FIELD (num
, 31, 0, 0);
5550 opcode
|= num
<< 16;
5551 if (need_pa11_opcode ())
5553 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
5559 /* Float operand 2 with L/R selection. */
5562 if (!pa_parse_number (&s
, 1))
5564 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5565 CHECK_FIELD (num
, 31, 0, 0);
5566 opcode
|= num
<< 16;
5567 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
5571 /* Float operand 3 for fmpyfadd, fmpynfadd. */
5574 if (!pa_parse_number (&s
, 1))
5576 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5577 CHECK_FIELD (num
, 31, 0, 0);
5578 opcode
|= (num
& 0x1c) << 11;
5579 opcode
|= (num
& 0x03) << 9;
5580 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 8 : 0);
5584 /* Float mult operand 1 for fmpyadd, fmpysub */
5587 if (!pa_parse_number (&s
, 1))
5589 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5590 CHECK_FIELD (num
, 31, 0, 0);
5591 if (the_insn
.fpof1
== SGL
)
5595 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5599 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5601 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
5604 /* Float mult operand 2 for fmpyadd, fmpysub */
5607 if (!pa_parse_number (&s
, 1))
5609 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5610 CHECK_FIELD (num
, 31, 0, 0);
5611 if (the_insn
.fpof1
== SGL
)
5615 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5619 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5621 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
5624 /* Float mult target for fmpyadd, fmpysub */
5627 if (!pa_parse_number (&s
, 1))
5629 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5630 CHECK_FIELD (num
, 31, 0, 0);
5631 if (the_insn
.fpof1
== SGL
)
5635 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5639 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5641 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5644 /* Float add operand 1 for fmpyadd, fmpysub */
5647 if (!pa_parse_number (&s
, 1))
5649 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5650 CHECK_FIELD (num
, 31, 0, 0);
5651 if (the_insn
.fpof1
== SGL
)
5655 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5659 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5661 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5664 /* Float add target for fmpyadd, fmpysub */
5667 if (!pa_parse_number (&s
, 1))
5669 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5670 CHECK_FIELD (num
, 31, 0, 0);
5671 if (the_insn
.fpof1
== SGL
)
5675 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5679 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5681 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
5684 /* Handle L/R register halves like 'x'. */
5688 if (!pa_parse_number (&s
, 1))
5690 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5691 CHECK_FIELD (num
, 31, 0, 0);
5692 opcode
|= num
<< 16;
5693 if (need_pa11_opcode ())
5695 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 1 : 0);
5700 /* Float target register (PA 2.0 wide). */
5702 if (!pa_parse_number (&s
, 3))
5704 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5705 CHECK_FIELD (num
, 31, 0, 0);
5706 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
5719 /* If this instruction is specific to a particular architecture,
5720 then set a new architecture. This automatic promotion crud is
5721 for compatibility with HP's old assemblers only. */
5723 && bfd_get_mach (stdoutput
) < insn
->arch
5724 && !bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, insn
->arch
))
5726 as_warn (_("could not update architecture and machine"));
5731 /* Check if the args matched. */
5734 if (&insn
[1] - pa_opcodes
< (int) NUMOPCODES
5735 && !strcmp (insn
->name
, insn
[1].name
))
5743 as_bad (_("Invalid operands %s"), error_message
);
5750 if (immediate_check
)
5752 if (pos
!= -1 && len
!= -1 && pos
< len
- 1)
5753 as_warn (_("Immediates %d and %d will give undefined behavior."),
5757 the_insn
.opcode
= opcode
;
5760 /* Assemble a single instruction storing it into a frag. */
5763 md_assemble (char *str
)
5767 /* The had better be something to assemble. */
5770 /* If we are within a procedure definition, make sure we've
5771 defined a label for the procedure; handle case where the
5772 label was defined after the .PROC directive.
5774 Note there's not need to diddle with the segment or fragment
5775 for the label symbol in this case. We have already switched
5776 into the new $CODE$ subspace at this point. */
5777 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
5779 label_symbol_struct
*label_symbol
= pa_get_label ();
5783 if (label_symbol
->lss_label
)
5785 last_call_info
->start_symbol
= label_symbol
->lss_label
;
5786 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
5789 /* Also handle allocation of a fixup to hold the unwind
5790 information when the label appears after the proc/procend. */
5791 if (within_entry_exit
)
5796 where
= frag_more (0);
5797 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
5798 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5799 NULL
, (offsetT
) 0, NULL
,
5800 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
5805 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
5808 as_bad (_("Missing function name for .PROC"));
5811 /* Assemble the instruction. Results are saved into "the_insn". */
5814 /* Get somewhere to put the assembled instruction. */
5817 /* Output the opcode. */
5818 md_number_to_chars (to
, the_insn
.opcode
, 4);
5820 /* If necessary output more stuff. */
5821 if (the_insn
.reloc
!= R_HPPA_NONE
)
5822 fix_new_hppa (frag_now
, (to
- frag_now
->fr_literal
), 4, NULL
,
5823 (offsetT
) 0, &the_insn
.exp
, the_insn
.pcrel
,
5824 the_insn
.reloc
, the_insn
.field_selector
,
5825 the_insn
.format
, the_insn
.arg_reloc
, 0);
5828 dwarf2_emit_insn (4);
5833 /* Handle an alignment directive. Special so that we can update the
5834 alignment of the subspace if necessary. */
5836 pa_align (int bytes
)
5838 /* We must have a valid space and subspace. */
5839 pa_check_current_space_and_subspace ();
5841 /* Let the generic gas code do most of the work. */
5842 s_align_bytes (bytes
);
5844 /* If bytes is a power of 2, then update the current subspace's
5845 alignment if necessary. */
5846 if (exact_log2 (bytes
) != -1)
5847 record_alignment (current_subspace
->ssd_seg
, exact_log2 (bytes
));
5851 /* Handle a .BLOCK type pseudo-op. */
5854 pa_block (int z ATTRIBUTE_UNUSED
)
5856 unsigned int temp_size
;
5859 /* We must have a valid space and subspace. */
5860 pa_check_current_space_and_subspace ();
5863 temp_size
= get_absolute_expression ();
5865 if (temp_size
> 0x3FFFFFFF)
5867 as_bad (_("Argument to .BLOCK/.BLOCKZ must be between 0 and 0x3fffffff"));
5872 /* Always fill with zeros, that's what the HP assembler does. */
5873 char *p
= frag_var (rs_fill
, 1, 1, 0, NULL
, temp_size
, NULL
);
5877 pa_undefine_label ();
5878 demand_empty_rest_of_line ();
5881 /* Handle a .begin_brtab and .end_brtab pseudo-op. */
5884 pa_brtab (int begin ATTRIBUTE_UNUSED
)
5888 /* The BRTAB relocations are only available in SOM (to denote
5889 the beginning and end of branch tables). */
5890 char *where
= frag_more (0);
5892 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5893 NULL
, (offsetT
) 0, NULL
,
5894 0, begin
? R_HPPA_BEGIN_BRTAB
: R_HPPA_END_BRTAB
,
5898 demand_empty_rest_of_line ();
5901 /* Handle a .begin_try and .end_try pseudo-op. */
5904 pa_try (int begin ATTRIBUTE_UNUSED
)
5908 char *where
= frag_more (0);
5913 /* The TRY relocations are only available in SOM (to denote
5914 the beginning and end of exception handling regions). */
5916 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5917 NULL
, (offsetT
) 0, begin
? NULL
: &exp
,
5918 0, begin
? R_HPPA_BEGIN_TRY
: R_HPPA_END_TRY
,
5922 demand_empty_rest_of_line ();
5925 /* Do the dirty work of building a call descriptor which describes
5926 where the caller placed arguments to a function call. */
5929 pa_call_args (struct call_desc
*call_desc
)
5932 unsigned int temp
, arg_reloc
;
5934 while (!is_end_of_statement ())
5936 name
= input_line_pointer
;
5937 c
= get_symbol_end ();
5938 /* Process a source argument. */
5939 if ((strncasecmp (name
, "argw", 4) == 0))
5941 temp
= atoi (name
+ 4);
5942 p
= input_line_pointer
;
5944 input_line_pointer
++;
5945 name
= input_line_pointer
;
5946 c
= get_symbol_end ();
5947 arg_reloc
= pa_build_arg_reloc (name
);
5948 call_desc
->arg_reloc
|= pa_align_arg_reloc (temp
, arg_reloc
);
5950 /* Process a return value. */
5951 else if ((strncasecmp (name
, "rtnval", 6) == 0))
5953 p
= input_line_pointer
;
5955 input_line_pointer
++;
5956 name
= input_line_pointer
;
5957 c
= get_symbol_end ();
5958 arg_reloc
= pa_build_arg_reloc (name
);
5959 call_desc
->arg_reloc
|= (arg_reloc
& 0x3);
5963 as_bad (_("Invalid .CALL argument: %s"), name
);
5965 p
= input_line_pointer
;
5967 if (!is_end_of_statement ())
5968 input_line_pointer
++;
5972 /* Handle a .CALL pseudo-op. This involves storing away information
5973 about where arguments are to be found so the linker can detect
5974 (and correct) argument location mismatches between caller and callee. */
5977 pa_call (int unused ATTRIBUTE_UNUSED
)
5980 /* We must have a valid space and subspace. */
5981 pa_check_current_space_and_subspace ();
5984 pa_call_args (&last_call_desc
);
5985 demand_empty_rest_of_line ();
5989 /* Build an entry in the UNWIND subspace from the given function
5990 attributes in CALL_INFO. This is not needed for SOM as using
5991 R_ENTRY and R_EXIT relocations allow the linker to handle building
5992 of the unwind spaces. */
5995 pa_build_unwind_subspace (struct call_info
*call_info
)
5997 asection
*seg
, *save_seg
;
5998 subsegT save_subseg
;
5999 unsigned int unwind
;
6004 if ((bfd_get_section_flags (stdoutput
, now_seg
)
6005 & (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
6006 != (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
6009 if (call_info
->start_symbol
== NULL
)
6010 /* This can happen if there were errors earlier on in the assembly. */
6013 /* Replace the start symbol with a local symbol that will be reduced
6014 to a section offset. This avoids problems with weak functions with
6015 multiple definitions, etc. */
6016 name
= xmalloc (strlen ("L$\001start_")
6017 + strlen (S_GET_NAME (call_info
->start_symbol
))
6019 strcpy (name
, "L$\001start_");
6020 strcat (name
, S_GET_NAME (call_info
->start_symbol
));
6022 /* If we have a .procend preceded by a .exit, then the symbol will have
6023 already been defined. In that case, we don't want another unwind
6025 symbolP
= symbol_find (name
);
6033 symbolP
= symbol_new (name
, now_seg
,
6034 S_GET_VALUE (call_info
->start_symbol
), frag_now
);
6035 gas_assert (symbolP
);
6036 S_CLEAR_EXTERNAL (symbolP
);
6037 symbol_table_insert (symbolP
);
6040 reloc
= R_PARISC_SEGREL32
;
6042 save_subseg
= now_subseg
;
6043 /* Get into the right seg/subseg. This may involve creating
6044 the seg the first time through. Make sure to have the
6045 old seg/subseg so that we can reset things when we are done. */
6046 seg
= bfd_get_section_by_name (stdoutput
, UNWIND_SECTION_NAME
);
6047 if (seg
== ASEC_NULL
)
6049 seg
= subseg_new (UNWIND_SECTION_NAME
, 0);
6050 bfd_set_section_flags (stdoutput
, seg
,
6051 SEC_READONLY
| SEC_HAS_CONTENTS
6052 | SEC_LOAD
| SEC_RELOC
| SEC_ALLOC
| SEC_DATA
);
6053 bfd_set_section_alignment (stdoutput
, seg
, 2);
6056 subseg_set (seg
, 0);
6058 /* Get some space to hold relocation information for the unwind
6062 /* Relocation info. for start offset of the function. */
6063 md_number_to_chars (p
, 0, 4);
6064 fix_new_hppa (frag_now
, p
- frag_now
->fr_literal
, 4,
6065 symbolP
, (offsetT
) 0,
6066 (expressionS
*) NULL
, 0, reloc
,
6069 /* Relocation info. for end offset of the function.
6071 Because we allow reductions of 32bit relocations for ELF, this will be
6072 reduced to section_sym + offset which avoids putting the temporary
6073 symbol into the symbol table. It (should) end up giving the same
6074 value as call_info->start_symbol + function size once the linker is
6075 finished with its work. */
6076 md_number_to_chars (p
+ 4, 0, 4);
6077 fix_new_hppa (frag_now
, p
+ 4 - frag_now
->fr_literal
, 4,
6078 call_info
->end_symbol
, (offsetT
) 0,
6079 (expressionS
*) NULL
, 0, reloc
,
6082 /* Dump the descriptor. */
6083 unwind
= UNWIND_LOW32 (&call_info
->ci_unwind
.descriptor
);
6084 md_number_to_chars (p
+ 8, unwind
, 4);
6086 unwind
= UNWIND_HIGH32 (&call_info
->ci_unwind
.descriptor
);
6087 md_number_to_chars (p
+ 12, unwind
, 4);
6089 /* Return back to the original segment/subsegment. */
6090 subseg_set (save_seg
, save_subseg
);
6094 /* Process a .CALLINFO pseudo-op. This information is used later
6095 to build unwind descriptors and maybe one day to support
6096 .ENTER and .LEAVE. */
6099 pa_callinfo (int unused ATTRIBUTE_UNUSED
)
6105 /* We must have a valid space and subspace. */
6106 pa_check_current_space_and_subspace ();
6109 /* .CALLINFO must appear within a procedure definition. */
6110 if (!within_procedure
)
6111 as_bad (_(".callinfo is not within a procedure definition"));
6113 /* Mark the fact that we found the .CALLINFO for the
6114 current procedure. */
6115 callinfo_found
= TRUE
;
6117 /* Iterate over the .CALLINFO arguments. */
6118 while (!is_end_of_statement ())
6120 name
= input_line_pointer
;
6121 c
= get_symbol_end ();
6122 /* Frame size specification. */
6123 if ((strncasecmp (name
, "frame", 5) == 0))
6125 p
= input_line_pointer
;
6127 input_line_pointer
++;
6128 temp
= get_absolute_expression ();
6129 if ((temp
& 0x3) != 0)
6131 as_bad (_("FRAME parameter must be a multiple of 8: %d\n"), temp
);
6135 /* callinfo is in bytes and unwind_desc is in 8 byte units. */
6136 last_call_info
->ci_unwind
.descriptor
.frame_size
= temp
/ 8;
6139 /* Entry register (GR, GR and SR) specifications. */
6140 else if ((strncasecmp (name
, "entry_gr", 8) == 0))
6142 p
= input_line_pointer
;
6144 input_line_pointer
++;
6145 temp
= get_absolute_expression ();
6146 /* The HP assembler accepts 19 as the high bound for ENTRY_GR
6147 even though %r19 is caller saved. I think this is a bug in
6148 the HP assembler, and we are not going to emulate it. */
6149 if (temp
< 3 || temp
> 18)
6150 as_bad (_("Value for ENTRY_GR must be in the range 3..18\n"));
6151 last_call_info
->ci_unwind
.descriptor
.entry_gr
= temp
- 2;
6153 else if ((strncasecmp (name
, "entry_fr", 8) == 0))
6155 p
= input_line_pointer
;
6157 input_line_pointer
++;
6158 temp
= get_absolute_expression ();
6159 /* Similarly the HP assembler takes 31 as the high bound even
6160 though %fr21 is the last callee saved floating point register. */
6161 if (temp
< 12 || temp
> 21)
6162 as_bad (_("Value for ENTRY_FR must be in the range 12..21\n"));
6163 last_call_info
->ci_unwind
.descriptor
.entry_fr
= temp
- 11;
6165 else if ((strncasecmp (name
, "entry_sr", 8) == 0))
6167 p
= input_line_pointer
;
6169 input_line_pointer
++;
6170 temp
= get_absolute_expression ();
6172 as_bad (_("Value for ENTRY_SR must be 3\n"));
6174 /* Note whether or not this function performs any calls. */
6175 else if ((strncasecmp (name
, "calls", 5) == 0) ||
6176 (strncasecmp (name
, "caller", 6) == 0))
6178 p
= input_line_pointer
;
6181 else if ((strncasecmp (name
, "no_calls", 8) == 0))
6183 p
= input_line_pointer
;
6186 /* Should RP be saved into the stack. */
6187 else if ((strncasecmp (name
, "save_rp", 7) == 0))
6189 p
= input_line_pointer
;
6191 last_call_info
->ci_unwind
.descriptor
.save_rp
= 1;
6193 /* Likewise for SP. */
6194 else if ((strncasecmp (name
, "save_sp", 7) == 0))
6196 p
= input_line_pointer
;
6198 last_call_info
->ci_unwind
.descriptor
.save_sp
= 1;
6200 /* Is this an unwindable procedure. If so mark it so
6201 in the unwind descriptor. */
6202 else if ((strncasecmp (name
, "no_unwind", 9) == 0))
6204 p
= input_line_pointer
;
6206 last_call_info
->ci_unwind
.descriptor
.cannot_unwind
= 1;
6208 /* Is this an interrupt routine. If so mark it in the
6209 unwind descriptor. */
6210 else if ((strncasecmp (name
, "hpux_int", 7) == 0))
6212 p
= input_line_pointer
;
6214 last_call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 1;
6216 /* Is this a millicode routine. "millicode" isn't in my
6217 assembler manual, but my copy is old. The HP assembler
6218 accepts it, and there's a place in the unwind descriptor
6219 to drop the information, so we'll accept it too. */
6220 else if ((strncasecmp (name
, "millicode", 9) == 0))
6222 p
= input_line_pointer
;
6224 last_call_info
->ci_unwind
.descriptor
.millicode
= 1;
6228 as_bad (_("Invalid .CALLINFO argument: %s"), name
);
6229 *input_line_pointer
= c
;
6231 if (!is_end_of_statement ())
6232 input_line_pointer
++;
6235 demand_empty_rest_of_line ();
6238 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
6239 /* Switch to the text space. Like s_text, but delete our
6240 label when finished. */
6243 pa_text (int unused ATTRIBUTE_UNUSED
)
6246 current_space
= is_defined_space ("$TEXT$");
6248 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6252 pa_undefine_label ();
6255 /* Switch to the data space. As usual delete our label. */
6258 pa_data (int unused ATTRIBUTE_UNUSED
)
6261 current_space
= is_defined_space ("$PRIVATE$");
6263 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6266 pa_undefine_label ();
6269 /* This is different than the standard GAS s_comm(). On HP9000/800 machines,
6270 the .comm pseudo-op has the following syntax:
6272 <label> .comm <length>
6274 where <label> is optional and is a symbol whose address will be the start of
6275 a block of memory <length> bytes long. <length> must be an absolute
6276 expression. <length> bytes will be allocated in the current space
6279 Also note the label may not even be on the same line as the .comm.
6281 This difference in syntax means the colon function will be called
6282 on the symbol before we arrive in pa_comm. colon will set a number
6283 of attributes of the symbol that need to be fixed here. In particular
6284 the value, section pointer, fragment pointer, flags, etc. What
6287 This also makes error detection all but impossible. */
6290 pa_comm (int unused ATTRIBUTE_UNUSED
)
6294 label_symbol_struct
*label_symbol
= pa_get_label ();
6297 symbol
= label_symbol
->lss_label
;
6302 size
= get_absolute_expression ();
6306 symbol_get_bfdsym (symbol
)->flags
|= BSF_OBJECT
;
6307 S_SET_VALUE (symbol
, size
);
6308 S_SET_SEGMENT (symbol
, bfd_com_section_ptr
);
6309 S_SET_EXTERNAL (symbol
);
6311 /* colon() has already set the frag to the current location in the
6312 current subspace; we need to reset the fragment to the zero address
6313 fragment. We also need to reset the segment pointer. */
6314 symbol_set_frag (symbol
, &zero_address_frag
);
6316 demand_empty_rest_of_line ();
6318 #endif /* !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))) */
6320 /* Process a .END pseudo-op. */
6323 pa_end (int unused ATTRIBUTE_UNUSED
)
6325 demand_empty_rest_of_line ();
6328 /* Process a .ENTER pseudo-op. This is not supported. */
6331 pa_enter (int unused ATTRIBUTE_UNUSED
)
6334 /* We must have a valid space and subspace. */
6335 pa_check_current_space_and_subspace ();
6338 as_bad (_("The .ENTER pseudo-op is not supported"));
6339 demand_empty_rest_of_line ();
6342 /* Process a .ENTRY pseudo-op. .ENTRY marks the beginning of the
6346 pa_entry (int unused ATTRIBUTE_UNUSED
)
6349 /* We must have a valid space and subspace. */
6350 pa_check_current_space_and_subspace ();
6353 if (!within_procedure
)
6354 as_bad (_("Misplaced .entry. Ignored."));
6357 if (!callinfo_found
)
6358 as_bad (_("Missing .callinfo."));
6360 demand_empty_rest_of_line ();
6361 within_entry_exit
= TRUE
;
6364 /* SOM defers building of unwind descriptors until the link phase.
6365 The assembler is responsible for creating an R_ENTRY relocation
6366 to mark the beginning of a region and hold the unwind bits, and
6367 for creating an R_EXIT relocation to mark the end of the region.
6369 FIXME. ELF should be using the same conventions! The problem
6370 is an unwind requires too much relocation space. Hmmm. Maybe
6371 if we split the unwind bits up between the relocations which
6372 denote the entry and exit points. */
6373 if (last_call_info
->start_symbol
!= NULL
)
6378 where
= frag_more (0);
6379 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
6380 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6381 NULL
, (offsetT
) 0, NULL
,
6382 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
6387 /* Silly nonsense for pa_equ. The only half-sensible use for this is
6388 being able to subtract two register symbols that specify a range of
6389 registers, to get the size of the range. */
6390 static int fudge_reg_expressions
;
6393 hppa_force_reg_syms_absolute (expressionS
*resultP
,
6394 operatorT op ATTRIBUTE_UNUSED
,
6395 expressionS
*rightP
)
6397 if (fudge_reg_expressions
6398 && rightP
->X_op
== O_register
6399 && resultP
->X_op
== O_register
)
6401 rightP
->X_op
= O_constant
;
6402 resultP
->X_op
= O_constant
;
6404 return 0; /* Continue normal expr handling. */
6407 /* Handle a .EQU pseudo-op. */
6412 label_symbol_struct
*label_symbol
= pa_get_label ();
6417 symbol
= label_symbol
->lss_label
;
6421 if (!pa_parse_number (&input_line_pointer
, 0))
6422 as_bad (_(".REG expression must be a register"));
6423 S_SET_VALUE (symbol
, pa_number
);
6424 S_SET_SEGMENT (symbol
, reg_section
);
6431 fudge_reg_expressions
= 1;
6432 seg
= expression (&exp
);
6433 fudge_reg_expressions
= 0;
6434 if (exp
.X_op
!= O_constant
6435 && exp
.X_op
!= O_register
)
6437 if (exp
.X_op
!= O_absent
)
6438 as_bad (_("bad or irreducible absolute expression; zero assumed"));
6439 exp
.X_add_number
= 0;
6440 seg
= absolute_section
;
6442 S_SET_VALUE (symbol
, (unsigned int) exp
.X_add_number
);
6443 S_SET_SEGMENT (symbol
, seg
);
6449 as_bad (_(".REG must use a label"));
6451 as_bad (_(".EQU must use a label"));
6454 pa_undefine_label ();
6455 demand_empty_rest_of_line ();
6459 /* Mark the end of a function so that it's possible to compute
6460 the size of the function in elf_hppa_final_processing. */
6463 hppa_elf_mark_end_of_function (void)
6465 /* ELF does not have EXIT relocations. All we do is create a
6466 temporary symbol marking the end of the function. */
6469 if (last_call_info
== NULL
|| last_call_info
->start_symbol
== NULL
)
6471 /* We have already warned about a missing label,
6472 or other problems. */
6476 name
= xmalloc (strlen ("L$\001end_")
6477 + strlen (S_GET_NAME (last_call_info
->start_symbol
))
6483 strcpy (name
, "L$\001end_");
6484 strcat (name
, S_GET_NAME (last_call_info
->start_symbol
));
6486 /* If we have a .exit followed by a .procend, then the
6487 symbol will have already been defined. */
6488 symbolP
= symbol_find (name
);
6491 /* The symbol has already been defined! This can
6492 happen if we have a .exit followed by a .procend.
6494 This is *not* an error. All we want to do is free
6495 the memory we just allocated for the name and continue. */
6500 /* symbol value should be the offset of the
6501 last instruction of the function */
6502 symbolP
= symbol_new (name
, now_seg
, (valueT
) (frag_now_fix () - 4),
6505 gas_assert (symbolP
);
6506 S_CLEAR_EXTERNAL (symbolP
);
6507 symbol_table_insert (symbolP
);
6511 last_call_info
->end_symbol
= symbolP
;
6513 as_bad (_("Symbol '%s' could not be created."), name
);
6517 as_bad (_("No memory for symbol name."));
6521 /* Helper function. Does processing for the end of a function. This
6522 usually involves creating some relocations or building special
6523 symbols to mark the end of the function. */
6530 where
= frag_more (0);
6533 /* Mark the end of the function, stuff away the location of the frag
6534 for the end of the function, and finally call pa_build_unwind_subspace
6535 to add an entry in the unwind table. */
6537 hppa_elf_mark_end_of_function ();
6538 pa_build_unwind_subspace (last_call_info
);
6540 /* SOM defers building of unwind descriptors until the link phase.
6541 The assembler is responsible for creating an R_ENTRY relocation
6542 to mark the beginning of a region and hold the unwind bits, and
6543 for creating an R_EXIT relocation to mark the end of the region.
6545 FIXME. ELF should be using the same conventions! The problem
6546 is an unwind requires too much relocation space. Hmmm. Maybe
6547 if we split the unwind bits up between the relocations which
6548 denote the entry and exit points. */
6549 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6551 NULL
, 0, R_HPPA_EXIT
, e_fsel
, 0, 0,
6552 UNWIND_HIGH32 (&last_call_info
->ci_unwind
.descriptor
));
6556 /* Process a .EXIT pseudo-op. */
6559 pa_exit (int unused ATTRIBUTE_UNUSED
)
6562 /* We must have a valid space and subspace. */
6563 pa_check_current_space_and_subspace ();
6566 if (!within_procedure
)
6567 as_bad (_(".EXIT must appear within a procedure"));
6570 if (!callinfo_found
)
6571 as_bad (_("Missing .callinfo"));
6574 if (!within_entry_exit
)
6575 as_bad (_("No .ENTRY for this .EXIT"));
6578 within_entry_exit
= FALSE
;
6583 demand_empty_rest_of_line ();
6586 /* Helper function to process arguments to a .EXPORT pseudo-op. */
6589 pa_type_args (symbolS
*symbolP
, int is_export
)
6592 unsigned int temp
, arg_reloc
;
6593 pa_symbol_type type
= SYMBOL_TYPE_UNKNOWN
;
6594 asymbol
*bfdsym
= symbol_get_bfdsym (symbolP
);
6596 if (strncasecmp (input_line_pointer
, "absolute", 8) == 0)
6598 input_line_pointer
+= 8;
6599 bfdsym
->flags
&= ~BSF_FUNCTION
;
6600 S_SET_SEGMENT (symbolP
, bfd_abs_section_ptr
);
6601 type
= SYMBOL_TYPE_ABSOLUTE
;
6603 else if (strncasecmp (input_line_pointer
, "code", 4) == 0)
6605 input_line_pointer
+= 4;
6606 /* IMPORTing/EXPORTing CODE types for functions is meaningless for SOM,
6607 instead one should be IMPORTing/EXPORTing ENTRY types.
6609 Complain if one tries to EXPORT a CODE type since that's never
6610 done. Both GCC and HP C still try to IMPORT CODE types, so
6611 silently fix them to be ENTRY types. */
6612 if (S_IS_FUNCTION (symbolP
))
6615 as_tsktsk (_("Using ENTRY rather than CODE in export directive for %s"),
6616 S_GET_NAME (symbolP
));
6618 bfdsym
->flags
|= BSF_FUNCTION
;
6619 type
= SYMBOL_TYPE_ENTRY
;
6623 bfdsym
->flags
&= ~BSF_FUNCTION
;
6624 type
= SYMBOL_TYPE_CODE
;
6627 else if (strncasecmp (input_line_pointer
, "data", 4) == 0)
6629 input_line_pointer
+= 4;
6630 bfdsym
->flags
&= ~BSF_FUNCTION
;
6631 bfdsym
->flags
|= BSF_OBJECT
;
6632 type
= SYMBOL_TYPE_DATA
;
6634 else if ((strncasecmp (input_line_pointer
, "entry", 5) == 0))
6636 input_line_pointer
+= 5;
6637 bfdsym
->flags
|= BSF_FUNCTION
;
6638 type
= SYMBOL_TYPE_ENTRY
;
6640 else if (strncasecmp (input_line_pointer
, "millicode", 9) == 0)
6642 input_line_pointer
+= 9;
6643 bfdsym
->flags
|= BSF_FUNCTION
;
6646 elf_symbol_type
*elfsym
= (elf_symbol_type
*) bfdsym
;
6647 elfsym
->internal_elf_sym
.st_info
=
6648 ELF_ST_INFO (ELF_ST_BIND (elfsym
->internal_elf_sym
.st_info
),
6652 type
= SYMBOL_TYPE_MILLICODE
;
6654 else if (strncasecmp (input_line_pointer
, "plabel", 6) == 0)
6656 input_line_pointer
+= 6;
6657 bfdsym
->flags
&= ~BSF_FUNCTION
;
6658 type
= SYMBOL_TYPE_PLABEL
;
6660 else if (strncasecmp (input_line_pointer
, "pri_prog", 8) == 0)
6662 input_line_pointer
+= 8;
6663 bfdsym
->flags
|= BSF_FUNCTION
;
6664 type
= SYMBOL_TYPE_PRI_PROG
;
6666 else if (strncasecmp (input_line_pointer
, "sec_prog", 8) == 0)
6668 input_line_pointer
+= 8;
6669 bfdsym
->flags
|= BSF_FUNCTION
;
6670 type
= SYMBOL_TYPE_SEC_PROG
;
6673 /* SOM requires much more information about symbol types
6674 than BFD understands. This is how we get this information
6675 to the SOM BFD backend. */
6676 #ifdef obj_set_symbol_type
6677 obj_set_symbol_type (bfdsym
, (int) type
);
6682 /* Now that the type of the exported symbol has been handled,
6683 handle any argument relocation information. */
6684 while (!is_end_of_statement ())
6686 if (*input_line_pointer
== ',')
6687 input_line_pointer
++;
6688 name
= input_line_pointer
;
6689 c
= get_symbol_end ();
6690 /* Argument sources. */
6691 if ((strncasecmp (name
, "argw", 4) == 0))
6693 p
= input_line_pointer
;
6695 input_line_pointer
++;
6696 temp
= atoi (name
+ 4);
6697 name
= input_line_pointer
;
6698 c
= get_symbol_end ();
6699 arg_reloc
= pa_align_arg_reloc (temp
, pa_build_arg_reloc (name
));
6700 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6701 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6705 *input_line_pointer
= c
;
6707 /* The return value. */
6708 else if ((strncasecmp (name
, "rtnval", 6)) == 0)
6710 p
= input_line_pointer
;
6712 input_line_pointer
++;
6713 name
= input_line_pointer
;
6714 c
= get_symbol_end ();
6715 arg_reloc
= pa_build_arg_reloc (name
);
6716 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6717 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6721 *input_line_pointer
= c
;
6723 /* Privilege level. */
6724 else if ((strncasecmp (name
, "priv_lev", 8)) == 0)
6726 p
= input_line_pointer
;
6728 input_line_pointer
++;
6729 temp
= atoi (input_line_pointer
);
6731 ((obj_symbol_type
*) bfdsym
)->tc_data
.ap
.hppa_priv_level
= temp
;
6733 c
= get_symbol_end ();
6734 *input_line_pointer
= c
;
6738 as_bad (_("Undefined .EXPORT/.IMPORT argument (ignored): %s"), name
);
6739 p
= input_line_pointer
;
6742 if (!is_end_of_statement ())
6743 input_line_pointer
++;
6747 /* Process a .EXPORT directive. This makes functions external
6748 and provides information such as argument relocation entries
6752 pa_export (int unused ATTRIBUTE_UNUSED
)
6757 name
= input_line_pointer
;
6758 c
= get_symbol_end ();
6759 /* Make sure the given symbol exists. */
6760 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6762 as_bad (_("Cannot define export symbol: %s\n"), name
);
6763 p
= input_line_pointer
;
6765 input_line_pointer
++;
6769 /* OK. Set the external bits and process argument relocations.
6770 For the HP, weak and global are not mutually exclusive.
6771 S_SET_EXTERNAL will not set BSF_GLOBAL if WEAK is set.
6772 Call S_SET_EXTERNAL to get the other processing. Manually
6773 set BSF_GLOBAL when we get back. */
6774 S_SET_EXTERNAL (symbol
);
6775 symbol_get_bfdsym (symbol
)->flags
|= BSF_GLOBAL
;
6776 p
= input_line_pointer
;
6778 if (!is_end_of_statement ())
6780 input_line_pointer
++;
6781 pa_type_args (symbol
, 1);
6785 demand_empty_rest_of_line ();
6788 /* Handle an .IMPORT pseudo-op. Any symbol referenced in a given
6789 assembly file must either be defined in the assembly file, or
6790 explicitly IMPORTED from another. */
6793 pa_import (int unused ATTRIBUTE_UNUSED
)
6798 name
= input_line_pointer
;
6799 c
= get_symbol_end ();
6801 symbol
= symbol_find (name
);
6802 /* Ugh. We might be importing a symbol defined earlier in the file,
6803 in which case all the code below will really screw things up
6804 (set the wrong segment, symbol flags & type, etc). */
6805 if (symbol
== NULL
|| !S_IS_DEFINED (symbol
))
6807 symbol
= symbol_find_or_make (name
);
6808 p
= input_line_pointer
;
6811 if (!is_end_of_statement ())
6813 input_line_pointer
++;
6814 pa_type_args (symbol
, 0);
6818 /* Sigh. To be compatible with the HP assembler and to help
6819 poorly written assembly code, we assign a type based on
6820 the current segment. Note only BSF_FUNCTION really
6821 matters, we do not need to set the full SYMBOL_TYPE_* info. */
6822 if (now_seg
== text_section
)
6823 symbol_get_bfdsym (symbol
)->flags
|= BSF_FUNCTION
;
6825 /* If the section is undefined, then the symbol is undefined
6826 Since this is an import, leave the section undefined. */
6827 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
6832 /* The symbol was already defined. Just eat everything up to
6833 the end of the current statement. */
6834 while (!is_end_of_statement ())
6835 input_line_pointer
++;
6838 demand_empty_rest_of_line ();
6841 /* Handle a .LABEL pseudo-op. */
6844 pa_label (int unused ATTRIBUTE_UNUSED
)
6848 name
= input_line_pointer
;
6849 c
= get_symbol_end ();
6851 if (strlen (name
) > 0)
6854 p
= input_line_pointer
;
6859 as_warn (_("Missing label name on .LABEL"));
6862 if (!is_end_of_statement ())
6864 as_warn (_("extra .LABEL arguments ignored."));
6865 ignore_rest_of_line ();
6867 demand_empty_rest_of_line ();
6870 /* Handle a .LEAVE pseudo-op. This is not supported yet. */
6873 pa_leave (int unused ATTRIBUTE_UNUSED
)
6876 /* We must have a valid space and subspace. */
6877 pa_check_current_space_and_subspace ();
6880 as_bad (_("The .LEAVE pseudo-op is not supported"));
6881 demand_empty_rest_of_line ();
6884 /* Handle a .LEVEL pseudo-op. */
6887 pa_level (int unused ATTRIBUTE_UNUSED
)
6891 level
= input_line_pointer
;
6892 if (strncmp (level
, "1.0", 3) == 0)
6894 input_line_pointer
+= 3;
6895 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 10))
6896 as_warn (_("could not set architecture and machine"));
6898 else if (strncmp (level
, "1.1", 3) == 0)
6900 input_line_pointer
+= 3;
6901 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 11))
6902 as_warn (_("could not set architecture and machine"));
6904 else if (strncmp (level
, "2.0w", 4) == 0)
6906 input_line_pointer
+= 4;
6907 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 25))
6908 as_warn (_("could not set architecture and machine"));
6910 else if (strncmp (level
, "2.0", 3) == 0)
6912 input_line_pointer
+= 3;
6913 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 20))
6914 as_warn (_("could not set architecture and machine"));
6918 as_bad (_("Unrecognized .LEVEL argument\n"));
6919 ignore_rest_of_line ();
6921 demand_empty_rest_of_line ();
6924 /* Handle a .ORIGIN pseudo-op. */
6927 pa_origin (int unused ATTRIBUTE_UNUSED
)
6930 /* We must have a valid space and subspace. */
6931 pa_check_current_space_and_subspace ();
6935 pa_undefine_label ();
6938 /* Handle a .PARAM pseudo-op. This is much like a .EXPORT, except it
6939 is for static functions. FIXME. Should share more code with .EXPORT. */
6942 pa_param (int unused ATTRIBUTE_UNUSED
)
6947 name
= input_line_pointer
;
6948 c
= get_symbol_end ();
6950 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6952 as_bad (_("Cannot define static symbol: %s\n"), name
);
6953 p
= input_line_pointer
;
6955 input_line_pointer
++;
6959 S_CLEAR_EXTERNAL (symbol
);
6960 p
= input_line_pointer
;
6962 if (!is_end_of_statement ())
6964 input_line_pointer
++;
6965 pa_type_args (symbol
, 0);
6969 demand_empty_rest_of_line ();
6972 /* Handle a .PROC pseudo-op. It is used to mark the beginning
6973 of a procedure from a syntactical point of view. */
6976 pa_proc (int unused ATTRIBUTE_UNUSED
)
6978 struct call_info
*call_info
;
6981 /* We must have a valid space and subspace. */
6982 pa_check_current_space_and_subspace ();
6985 if (within_procedure
)
6986 as_fatal (_("Nested procedures"));
6988 /* Reset global variables for new procedure. */
6989 callinfo_found
= FALSE
;
6990 within_procedure
= TRUE
;
6992 /* Create another call_info structure. */
6993 call_info
= xmalloc (sizeof (struct call_info
));
6996 as_fatal (_("Cannot allocate unwind descriptor\n"));
6998 memset (call_info
, 0, sizeof (struct call_info
));
7000 call_info
->ci_next
= NULL
;
7002 if (call_info_root
== NULL
)
7004 call_info_root
= call_info
;
7005 last_call_info
= call_info
;
7009 last_call_info
->ci_next
= call_info
;
7010 last_call_info
= call_info
;
7013 /* set up defaults on call_info structure */
7015 call_info
->ci_unwind
.descriptor
.cannot_unwind
= 0;
7016 call_info
->ci_unwind
.descriptor
.region_desc
= 1;
7017 call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 0;
7019 /* If we got a .PROC pseudo-op, we know that the function is defined
7020 locally. Make sure it gets into the symbol table. */
7022 label_symbol_struct
*label_symbol
= pa_get_label ();
7026 if (label_symbol
->lss_label
)
7028 last_call_info
->start_symbol
= label_symbol
->lss_label
;
7029 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
|= BSF_FUNCTION
;
7032 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7035 last_call_info
->start_symbol
= NULL
;
7038 demand_empty_rest_of_line ();
7041 /* Process the syntactical end of a procedure. Make sure all the
7042 appropriate pseudo-ops were found within the procedure. */
7045 pa_procend (int unused ATTRIBUTE_UNUSED
)
7048 /* We must have a valid space and subspace. */
7049 pa_check_current_space_and_subspace ();
7052 /* If we are within a procedure definition, make sure we've
7053 defined a label for the procedure; handle case where the
7054 label was defined after the .PROC directive.
7056 Note there's not need to diddle with the segment or fragment
7057 for the label symbol in this case. We have already switched
7058 into the new $CODE$ subspace at this point. */
7059 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
7061 label_symbol_struct
*label_symbol
= pa_get_label ();
7065 if (label_symbol
->lss_label
)
7067 last_call_info
->start_symbol
= label_symbol
->lss_label
;
7068 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
7071 /* Also handle allocation of a fixup to hold the unwind
7072 information when the label appears after the proc/procend. */
7073 if (within_entry_exit
)
7078 where
= frag_more (0);
7079 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
7080 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
7081 NULL
, (offsetT
) 0, NULL
,
7082 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
7087 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7090 as_bad (_("Missing function name for .PROC"));
7093 if (!within_procedure
)
7094 as_bad (_("misplaced .procend"));
7096 if (!callinfo_found
)
7097 as_bad (_("Missing .callinfo for this procedure"));
7099 if (within_entry_exit
)
7100 as_bad (_("Missing .EXIT for a .ENTRY"));
7103 /* ELF needs to mark the end of each function so that it can compute
7104 the size of the function (apparently its needed in the symbol table). */
7105 hppa_elf_mark_end_of_function ();
7108 within_procedure
= FALSE
;
7109 demand_empty_rest_of_line ();
7110 pa_undefine_label ();
7114 /* If VALUE is an exact power of two between zero and 2^31, then
7115 return log2 (VALUE). Else return -1. */
7118 exact_log2 (int value
)
7122 while ((1 << shift
) != value
&& shift
< 32)
7131 /* Check to make sure we have a valid space and subspace. */
7134 pa_check_current_space_and_subspace (void)
7136 if (current_space
== NULL
)
7137 as_fatal (_("Not in a space.\n"));
7139 if (current_subspace
== NULL
)
7140 as_fatal (_("Not in a subspace.\n"));
7143 /* Parse the parameters to a .SPACE directive; if CREATE_FLAG is nonzero,
7144 then create a new space entry to hold the information specified
7145 by the parameters to the .SPACE directive. */
7147 static sd_chain_struct
*
7148 pa_parse_space_stmt (char *space_name
, int create_flag
)
7150 char *name
, *ptemp
, c
;
7151 char loadable
, defined
, private, sort
;
7153 asection
*seg
= NULL
;
7154 sd_chain_struct
*space
;
7156 /* Load default values. */
7162 if (strcmp (space_name
, "$TEXT$") == 0)
7164 seg
= pa_def_spaces
[0].segment
;
7165 defined
= pa_def_spaces
[0].defined
;
7166 private = pa_def_spaces
[0].private;
7167 sort
= pa_def_spaces
[0].sort
;
7168 spnum
= pa_def_spaces
[0].spnum
;
7170 else if (strcmp (space_name
, "$PRIVATE$") == 0)
7172 seg
= pa_def_spaces
[1].segment
;
7173 defined
= pa_def_spaces
[1].defined
;
7174 private = pa_def_spaces
[1].private;
7175 sort
= pa_def_spaces
[1].sort
;
7176 spnum
= pa_def_spaces
[1].spnum
;
7179 if (!is_end_of_statement ())
7181 print_errors
= FALSE
;
7182 ptemp
= input_line_pointer
+ 1;
7183 /* First see if the space was specified as a number rather than
7184 as a name. According to the PA assembly manual the rest of
7185 the line should be ignored. */
7187 pa_parse_number (&ptemp
, 0);
7191 input_line_pointer
= ptemp
;
7195 while (!is_end_of_statement ())
7197 input_line_pointer
++;
7198 name
= input_line_pointer
;
7199 c
= get_symbol_end ();
7200 if ((strncasecmp (name
, "spnum", 5) == 0))
7202 *input_line_pointer
= c
;
7203 input_line_pointer
++;
7204 spnum
= get_absolute_expression ();
7206 else if ((strncasecmp (name
, "sort", 4) == 0))
7208 *input_line_pointer
= c
;
7209 input_line_pointer
++;
7210 sort
= get_absolute_expression ();
7212 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7214 *input_line_pointer
= c
;
7217 else if ((strncasecmp (name
, "notdefined", 10) == 0))
7219 *input_line_pointer
= c
;
7222 else if ((strncasecmp (name
, "private", 7) == 0))
7224 *input_line_pointer
= c
;
7229 as_bad (_("Invalid .SPACE argument"));
7230 *input_line_pointer
= c
;
7231 if (!is_end_of_statement ())
7232 input_line_pointer
++;
7236 print_errors
= TRUE
;
7239 if (create_flag
&& seg
== NULL
)
7240 seg
= subseg_new (space_name
, 0);
7242 /* If create_flag is nonzero, then create the new space with
7243 the attributes computed above. Else set the values in
7244 an already existing space -- this can only happen for
7245 the first occurrence of a built-in space. */
7247 space
= create_new_space (space_name
, spnum
, loadable
, defined
,
7248 private, sort
, seg
, 1);
7251 space
= is_defined_space (space_name
);
7252 SPACE_SPNUM (space
) = spnum
;
7253 SPACE_DEFINED (space
) = defined
& 1;
7254 SPACE_USER_DEFINED (space
) = 1;
7257 #ifdef obj_set_section_attributes
7258 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7264 /* Handle a .SPACE pseudo-op; this switches the current space to the
7265 given space, creating the new space if necessary. */
7268 pa_space (int unused ATTRIBUTE_UNUSED
)
7270 char *name
, c
, *space_name
, *save_s
;
7271 sd_chain_struct
*sd_chain
;
7273 if (within_procedure
)
7275 as_bad (_("Can\'t change spaces within a procedure definition. Ignored"));
7276 ignore_rest_of_line ();
7280 /* Check for some of the predefined spaces. FIXME: most of the code
7281 below is repeated several times, can we extract the common parts
7282 and place them into a subroutine or something similar? */
7283 /* FIXME Is this (and the next IF stmt) really right?
7284 What if INPUT_LINE_POINTER points to "$TEXT$FOO"? */
7285 if (strncmp (input_line_pointer
, "$TEXT$", 6) == 0)
7287 input_line_pointer
+= 6;
7288 sd_chain
= is_defined_space ("$TEXT$");
7289 if (sd_chain
== NULL
)
7290 sd_chain
= pa_parse_space_stmt ("$TEXT$", 1);
7291 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7292 sd_chain
= pa_parse_space_stmt ("$TEXT$", 0);
7294 current_space
= sd_chain
;
7295 subseg_set (text_section
, sd_chain
->sd_last_subseg
);
7297 = pa_subsegment_to_subspace (text_section
,
7298 sd_chain
->sd_last_subseg
);
7299 demand_empty_rest_of_line ();
7302 if (strncmp (input_line_pointer
, "$PRIVATE$", 9) == 0)
7304 input_line_pointer
+= 9;
7305 sd_chain
= is_defined_space ("$PRIVATE$");
7306 if (sd_chain
== NULL
)
7307 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 1);
7308 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7309 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 0);
7311 current_space
= sd_chain
;
7312 subseg_set (data_section
, sd_chain
->sd_last_subseg
);
7314 = pa_subsegment_to_subspace (data_section
,
7315 sd_chain
->sd_last_subseg
);
7316 demand_empty_rest_of_line ();
7319 if (!strncasecmp (input_line_pointer
,
7320 GDB_DEBUG_SPACE_NAME
,
7321 strlen (GDB_DEBUG_SPACE_NAME
)))
7323 input_line_pointer
+= strlen (GDB_DEBUG_SPACE_NAME
);
7324 sd_chain
= is_defined_space (GDB_DEBUG_SPACE_NAME
);
7325 if (sd_chain
== NULL
)
7326 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 1);
7327 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7328 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 0);
7330 current_space
= sd_chain
;
7333 asection
*gdb_section
7334 = bfd_make_section_old_way (stdoutput
, GDB_DEBUG_SPACE_NAME
);
7336 subseg_set (gdb_section
, sd_chain
->sd_last_subseg
);
7338 = pa_subsegment_to_subspace (gdb_section
,
7339 sd_chain
->sd_last_subseg
);
7341 demand_empty_rest_of_line ();
7345 /* It could be a space specified by number. */
7347 save_s
= input_line_pointer
;
7349 pa_parse_number (&input_line_pointer
, 0);
7352 if ((sd_chain
= pa_find_space_by_number (pa_number
)))
7354 current_space
= sd_chain
;
7356 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7358 = pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7359 sd_chain
->sd_last_subseg
);
7360 demand_empty_rest_of_line ();
7365 /* Not a number, attempt to create a new space. */
7367 input_line_pointer
= save_s
;
7368 name
= input_line_pointer
;
7369 c
= get_symbol_end ();
7370 space_name
= xmalloc (strlen (name
) + 1);
7371 strcpy (space_name
, name
);
7372 *input_line_pointer
= c
;
7374 sd_chain
= pa_parse_space_stmt (space_name
, 1);
7375 current_space
= sd_chain
;
7377 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7378 current_subspace
= pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7379 sd_chain
->sd_last_subseg
);
7380 demand_empty_rest_of_line ();
7384 /* Switch to a new space. (I think). FIXME. */
7387 pa_spnum (int unused ATTRIBUTE_UNUSED
)
7392 sd_chain_struct
*space
;
7394 name
= input_line_pointer
;
7395 c
= get_symbol_end ();
7396 space
= is_defined_space (name
);
7400 md_number_to_chars (p
, SPACE_SPNUM (space
), 4);
7403 as_warn (_("Undefined space: '%s' Assuming space number = 0."), name
);
7405 *input_line_pointer
= c
;
7406 demand_empty_rest_of_line ();
7409 /* Handle a .SUBSPACE pseudo-op; this switches the current subspace to the
7410 given subspace, creating the new subspace if necessary.
7412 FIXME. Should mirror pa_space more closely, in particular how
7413 they're broken up into subroutines. */
7416 pa_subspace (int create_new
)
7418 char *name
, *ss_name
, c
;
7419 char loadable
, code_only
, comdat
, common
, dup_common
, zero
, sort
;
7420 int i
, access_ctr
, space_index
, alignment
, quadrant
, applicable
, flags
;
7421 sd_chain_struct
*space
;
7422 ssd_chain_struct
*ssd
;
7425 if (current_space
== NULL
)
7426 as_fatal (_("Must be in a space before changing or declaring subspaces.\n"));
7428 if (within_procedure
)
7430 as_bad (_("Can\'t change subspaces within a procedure definition. Ignored"));
7431 ignore_rest_of_line ();
7435 name
= input_line_pointer
;
7436 c
= get_symbol_end ();
7437 ss_name
= xmalloc (strlen (name
) + 1);
7438 strcpy (ss_name
, name
);
7439 *input_line_pointer
= c
;
7441 /* Load default values. */
7454 space
= current_space
;
7458 ssd
= is_defined_subspace (ss_name
);
7459 /* Allow user to override the builtin attributes of subspaces. But
7460 only allow the attributes to be changed once! */
7461 if (ssd
&& SUBSPACE_DEFINED (ssd
))
7463 subseg_set (ssd
->ssd_seg
, ssd
->ssd_subseg
);
7464 current_subspace
= ssd
;
7465 if (!is_end_of_statement ())
7466 as_warn (_("Parameters of an existing subspace can\'t be modified"));
7467 demand_empty_rest_of_line ();
7472 /* A new subspace. Load default values if it matches one of
7473 the builtin subspaces. */
7475 while (pa_def_subspaces
[i
].name
)
7477 if (strcasecmp (pa_def_subspaces
[i
].name
, ss_name
) == 0)
7479 loadable
= pa_def_subspaces
[i
].loadable
;
7480 comdat
= pa_def_subspaces
[i
].comdat
;
7481 common
= pa_def_subspaces
[i
].common
;
7482 dup_common
= pa_def_subspaces
[i
].dup_common
;
7483 code_only
= pa_def_subspaces
[i
].code_only
;
7484 zero
= pa_def_subspaces
[i
].zero
;
7485 space_index
= pa_def_subspaces
[i
].space_index
;
7486 alignment
= pa_def_subspaces
[i
].alignment
;
7487 quadrant
= pa_def_subspaces
[i
].quadrant
;
7488 access_ctr
= pa_def_subspaces
[i
].access
;
7489 sort
= pa_def_subspaces
[i
].sort
;
7496 /* We should be working with a new subspace now. Fill in
7497 any information as specified by the user. */
7498 if (!is_end_of_statement ())
7500 input_line_pointer
++;
7501 while (!is_end_of_statement ())
7503 name
= input_line_pointer
;
7504 c
= get_symbol_end ();
7505 if ((strncasecmp (name
, "quad", 4) == 0))
7507 *input_line_pointer
= c
;
7508 input_line_pointer
++;
7509 quadrant
= get_absolute_expression ();
7511 else if ((strncasecmp (name
, "align", 5) == 0))
7513 *input_line_pointer
= c
;
7514 input_line_pointer
++;
7515 alignment
= get_absolute_expression ();
7516 if (exact_log2 (alignment
) == -1)
7518 as_bad (_("Alignment must be a power of 2"));
7522 else if ((strncasecmp (name
, "access", 6) == 0))
7524 *input_line_pointer
= c
;
7525 input_line_pointer
++;
7526 access_ctr
= get_absolute_expression ();
7528 else if ((strncasecmp (name
, "sort", 4) == 0))
7530 *input_line_pointer
= c
;
7531 input_line_pointer
++;
7532 sort
= get_absolute_expression ();
7534 else if ((strncasecmp (name
, "code_only", 9) == 0))
7536 *input_line_pointer
= c
;
7539 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7541 *input_line_pointer
= c
;
7544 else if ((strncasecmp (name
, "comdat", 6) == 0))
7546 *input_line_pointer
= c
;
7549 else if ((strncasecmp (name
, "common", 6) == 0))
7551 *input_line_pointer
= c
;
7554 else if ((strncasecmp (name
, "dup_comm", 8) == 0))
7556 *input_line_pointer
= c
;
7559 else if ((strncasecmp (name
, "zero", 4) == 0))
7561 *input_line_pointer
= c
;
7564 else if ((strncasecmp (name
, "first", 5) == 0))
7565 as_bad (_("FIRST not supported as a .SUBSPACE argument"));
7567 as_bad (_("Invalid .SUBSPACE argument"));
7568 if (!is_end_of_statement ())
7569 input_line_pointer
++;
7573 /* Compute a reasonable set of BFD flags based on the information
7574 in the .subspace directive. */
7575 applicable
= bfd_applicable_section_flags (stdoutput
);
7578 flags
|= (SEC_ALLOC
| SEC_LOAD
);
7582 /* These flags are used to implement various flavors of initialized
7583 common. The SOM linker discards duplicate subspaces when they
7584 have the same "key" symbol name. This support is more like
7585 GNU linkonce than BFD common. Further, pc-relative relocations
7586 are converted to section relative relocations in BFD common
7587 sections. This complicates the handling of relocations in
7588 common sections containing text and isn't currently supported
7589 correctly in the SOM BFD backend. */
7590 if (comdat
|| common
|| dup_common
)
7591 flags
|= SEC_LINK_ONCE
;
7593 flags
|= SEC_RELOC
| SEC_HAS_CONTENTS
;
7595 /* This is a zero-filled subspace (eg BSS). */
7597 flags
&= ~(SEC_LOAD
| SEC_HAS_CONTENTS
);
7599 applicable
&= flags
;
7601 /* If this is an existing subspace, then we want to use the
7602 segment already associated with the subspace.
7604 FIXME NOW! ELF BFD doesn't appear to be ready to deal with
7605 lots of sections. It might be a problem in the PA ELF
7606 code, I do not know yet. For now avoid creating anything
7607 but the "standard" sections for ELF. */
7609 section
= subseg_force_new (ss_name
, 0);
7611 section
= ssd
->ssd_seg
;
7613 section
= subseg_new (ss_name
, 0);
7616 seg_info (section
)->bss
= 1;
7618 /* Now set the flags. */
7619 bfd_set_section_flags (stdoutput
, section
, applicable
);
7621 /* Record any alignment request for this section. */
7622 record_alignment (section
, exact_log2 (alignment
));
7624 /* Set the starting offset for this section. */
7625 bfd_set_section_vma (stdoutput
, section
,
7626 pa_subspace_start (space
, quadrant
));
7628 /* Now that all the flags are set, update an existing subspace,
7629 or create a new one. */
7632 current_subspace
= update_subspace (space
, ss_name
, loadable
,
7633 code_only
, comdat
, common
,
7634 dup_common
, sort
, zero
, access_ctr
,
7635 space_index
, alignment
, quadrant
,
7638 current_subspace
= create_new_subspace (space
, ss_name
, loadable
,
7639 code_only
, comdat
, common
,
7640 dup_common
, zero
, sort
,
7641 access_ctr
, space_index
,
7642 alignment
, quadrant
, section
);
7644 demand_empty_rest_of_line ();
7645 current_subspace
->ssd_seg
= section
;
7646 subseg_set (current_subspace
->ssd_seg
, current_subspace
->ssd_subseg
);
7648 SUBSPACE_DEFINED (current_subspace
) = 1;
7651 /* Create default space and subspace dictionaries. */
7654 pa_spaces_begin (void)
7658 space_dict_root
= NULL
;
7659 space_dict_last
= NULL
;
7662 while (pa_def_spaces
[i
].name
)
7666 /* Pick the right name to use for the new section. */
7667 name
= pa_def_spaces
[i
].name
;
7669 pa_def_spaces
[i
].segment
= subseg_new (name
, 0);
7670 create_new_space (pa_def_spaces
[i
].name
, pa_def_spaces
[i
].spnum
,
7671 pa_def_spaces
[i
].loadable
, pa_def_spaces
[i
].defined
,
7672 pa_def_spaces
[i
].private, pa_def_spaces
[i
].sort
,
7673 pa_def_spaces
[i
].segment
, 0);
7678 while (pa_def_subspaces
[i
].name
)
7681 int applicable
, subsegment
;
7682 asection
*segment
= NULL
;
7683 sd_chain_struct
*space
;
7685 /* Pick the right name for the new section and pick the right
7686 subsegment number. */
7687 name
= pa_def_subspaces
[i
].name
;
7690 /* Create the new section. */
7691 segment
= subseg_new (name
, subsegment
);
7693 /* For SOM we want to replace the standard .text, .data, and .bss
7694 sections with our own. We also want to set BFD flags for
7695 all the built-in subspaces. */
7696 if (!strcmp (pa_def_subspaces
[i
].name
, "$CODE$"))
7698 text_section
= segment
;
7699 applicable
= bfd_applicable_section_flags (stdoutput
);
7700 bfd_set_section_flags (stdoutput
, segment
,
7701 applicable
& (SEC_ALLOC
| SEC_LOAD
7702 | SEC_RELOC
| SEC_CODE
7704 | SEC_HAS_CONTENTS
));
7706 else if (!strcmp (pa_def_subspaces
[i
].name
, "$DATA$"))
7708 data_section
= segment
;
7709 applicable
= bfd_applicable_section_flags (stdoutput
);
7710 bfd_set_section_flags (stdoutput
, segment
,
7711 applicable
& (SEC_ALLOC
| SEC_LOAD
7713 | SEC_HAS_CONTENTS
));
7716 else if (!strcmp (pa_def_subspaces
[i
].name
, "$BSS$"))
7718 bss_section
= segment
;
7719 applicable
= bfd_applicable_section_flags (stdoutput
);
7720 bfd_set_section_flags (stdoutput
, segment
,
7721 applicable
& SEC_ALLOC
);
7723 else if (!strcmp (pa_def_subspaces
[i
].name
, "$LIT$"))
7725 applicable
= bfd_applicable_section_flags (stdoutput
);
7726 bfd_set_section_flags (stdoutput
, segment
,
7727 applicable
& (SEC_ALLOC
| SEC_LOAD
7730 | SEC_HAS_CONTENTS
));
7732 else if (!strcmp (pa_def_subspaces
[i
].name
, "$MILLICODE$"))
7734 applicable
= bfd_applicable_section_flags (stdoutput
);
7735 bfd_set_section_flags (stdoutput
, segment
,
7736 applicable
& (SEC_ALLOC
| SEC_LOAD
7739 | SEC_HAS_CONTENTS
));
7741 else if (!strcmp (pa_def_subspaces
[i
].name
, "$UNWIND$"))
7743 applicable
= bfd_applicable_section_flags (stdoutput
);
7744 bfd_set_section_flags (stdoutput
, segment
,
7745 applicable
& (SEC_ALLOC
| SEC_LOAD
7748 | SEC_HAS_CONTENTS
));
7751 /* Find the space associated with this subspace. */
7752 space
= pa_segment_to_space (pa_def_spaces
[pa_def_subspaces
[i
].
7753 def_space_index
].segment
);
7756 as_fatal (_("Internal error: Unable to find containing space for %s."),
7757 pa_def_subspaces
[i
].name
);
7760 create_new_subspace (space
, name
,
7761 pa_def_subspaces
[i
].loadable
,
7762 pa_def_subspaces
[i
].code_only
,
7763 pa_def_subspaces
[i
].comdat
,
7764 pa_def_subspaces
[i
].common
,
7765 pa_def_subspaces
[i
].dup_common
,
7766 pa_def_subspaces
[i
].zero
,
7767 pa_def_subspaces
[i
].sort
,
7768 pa_def_subspaces
[i
].access
,
7769 pa_def_subspaces
[i
].space_index
,
7770 pa_def_subspaces
[i
].alignment
,
7771 pa_def_subspaces
[i
].quadrant
,
7777 /* Create a new space NAME, with the appropriate flags as defined
7778 by the given parameters. */
7780 static sd_chain_struct
*
7781 create_new_space (char *name
,
7783 int loadable ATTRIBUTE_UNUSED
,
7790 sd_chain_struct
*chain_entry
;
7792 chain_entry
= xmalloc (sizeof (sd_chain_struct
));
7794 as_fatal (_("Out of memory: could not allocate new space chain entry: %s\n"),
7797 SPACE_NAME (chain_entry
) = xmalloc (strlen (name
) + 1);
7798 strcpy (SPACE_NAME (chain_entry
), name
);
7799 SPACE_DEFINED (chain_entry
) = defined
;
7800 SPACE_USER_DEFINED (chain_entry
) = user_defined
;
7801 SPACE_SPNUM (chain_entry
) = spnum
;
7803 chain_entry
->sd_seg
= seg
;
7804 chain_entry
->sd_last_subseg
= -1;
7805 chain_entry
->sd_subspaces
= NULL
;
7806 chain_entry
->sd_next
= NULL
;
7808 /* Find spot for the new space based on its sort key. */
7809 if (!space_dict_last
)
7810 space_dict_last
= chain_entry
;
7812 if (space_dict_root
== NULL
)
7813 space_dict_root
= chain_entry
;
7816 sd_chain_struct
*chain_pointer
;
7817 sd_chain_struct
*prev_chain_pointer
;
7819 chain_pointer
= space_dict_root
;
7820 prev_chain_pointer
= NULL
;
7822 while (chain_pointer
)
7824 prev_chain_pointer
= chain_pointer
;
7825 chain_pointer
= chain_pointer
->sd_next
;
7828 /* At this point we've found the correct place to add the new
7829 entry. So add it and update the linked lists as appropriate. */
7830 if (prev_chain_pointer
)
7832 chain_entry
->sd_next
= chain_pointer
;
7833 prev_chain_pointer
->sd_next
= chain_entry
;
7837 space_dict_root
= chain_entry
;
7838 chain_entry
->sd_next
= chain_pointer
;
7841 if (chain_entry
->sd_next
== NULL
)
7842 space_dict_last
= chain_entry
;
7845 /* This is here to catch predefined spaces which do not get
7846 modified by the user's input. Another call is found at
7847 the bottom of pa_parse_space_stmt to handle cases where
7848 the user modifies a predefined space. */
7849 #ifdef obj_set_section_attributes
7850 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7856 /* Create a new subspace NAME, with the appropriate flags as defined
7857 by the given parameters.
7859 Add the new subspace to the subspace dictionary chain in numerical
7860 order as defined by the SORT entries. */
7862 static ssd_chain_struct
*
7863 create_new_subspace (sd_chain_struct
*space
,
7865 int loadable ATTRIBUTE_UNUSED
,
7866 int code_only ATTRIBUTE_UNUSED
,
7870 int is_zero ATTRIBUTE_UNUSED
,
7873 int space_index ATTRIBUTE_UNUSED
,
7874 int alignment ATTRIBUTE_UNUSED
,
7878 ssd_chain_struct
*chain_entry
;
7880 chain_entry
= xmalloc (sizeof (ssd_chain_struct
));
7882 as_fatal (_("Out of memory: could not allocate new subspace chain entry: %s\n"), name
);
7884 SUBSPACE_NAME (chain_entry
) = xmalloc (strlen (name
) + 1);
7885 strcpy (SUBSPACE_NAME (chain_entry
), name
);
7887 /* Initialize subspace_defined. When we hit a .subspace directive
7888 we'll set it to 1 which "locks-in" the subspace attributes. */
7889 SUBSPACE_DEFINED (chain_entry
) = 0;
7891 chain_entry
->ssd_subseg
= 0;
7892 chain_entry
->ssd_seg
= seg
;
7893 chain_entry
->ssd_next
= NULL
;
7895 /* Find spot for the new subspace based on its sort key. */
7896 if (space
->sd_subspaces
== NULL
)
7897 space
->sd_subspaces
= chain_entry
;
7900 ssd_chain_struct
*chain_pointer
;
7901 ssd_chain_struct
*prev_chain_pointer
;
7903 chain_pointer
= space
->sd_subspaces
;
7904 prev_chain_pointer
= NULL
;
7906 while (chain_pointer
)
7908 prev_chain_pointer
= chain_pointer
;
7909 chain_pointer
= chain_pointer
->ssd_next
;
7912 /* Now we have somewhere to put the new entry. Insert it and update
7914 if (prev_chain_pointer
)
7916 chain_entry
->ssd_next
= chain_pointer
;
7917 prev_chain_pointer
->ssd_next
= chain_entry
;
7921 space
->sd_subspaces
= chain_entry
;
7922 chain_entry
->ssd_next
= chain_pointer
;
7926 #ifdef obj_set_subsection_attributes
7927 obj_set_subsection_attributes (seg
, space
->sd_seg
, access_ctr
, sort
,
7928 quadrant
, comdat
, common
, dup_common
);
7934 /* Update the information for the given subspace based upon the
7935 various arguments. Return the modified subspace chain entry. */
7937 static ssd_chain_struct
*
7938 update_subspace (sd_chain_struct
*space
,
7940 int loadable ATTRIBUTE_UNUSED
,
7941 int code_only ATTRIBUTE_UNUSED
,
7946 int zero ATTRIBUTE_UNUSED
,
7948 int space_index ATTRIBUTE_UNUSED
,
7949 int alignment ATTRIBUTE_UNUSED
,
7953 ssd_chain_struct
*chain_entry
;
7955 chain_entry
= is_defined_subspace (name
);
7957 #ifdef obj_set_subsection_attributes
7958 obj_set_subsection_attributes (section
, space
->sd_seg
, access_ctr
, sort
,
7959 quadrant
, comdat
, common
, dup_common
);
7965 /* Return the space chain entry for the space with the name NAME or
7966 NULL if no such space exists. */
7968 static sd_chain_struct
*
7969 is_defined_space (char *name
)
7971 sd_chain_struct
*chain_pointer
;
7973 for (chain_pointer
= space_dict_root
;
7975 chain_pointer
= chain_pointer
->sd_next
)
7976 if (strcmp (SPACE_NAME (chain_pointer
), name
) == 0)
7977 return chain_pointer
;
7979 /* No mapping from segment to space was found. Return NULL. */
7983 /* Find and return the space associated with the given seg. If no mapping
7984 from the given seg to a space is found, then return NULL.
7986 Unlike subspaces, the number of spaces is not expected to grow much,
7987 so a linear exhaustive search is OK here. */
7989 static sd_chain_struct
*
7990 pa_segment_to_space (asection
*seg
)
7992 sd_chain_struct
*space_chain
;
7994 /* Walk through each space looking for the correct mapping. */
7995 for (space_chain
= space_dict_root
;
7997 space_chain
= space_chain
->sd_next
)
7998 if (space_chain
->sd_seg
== seg
)
8001 /* Mapping was not found. Return NULL. */
8005 /* Return the first space chain entry for the subspace with the name
8006 NAME or NULL if no such subspace exists.
8008 When there are multiple subspaces with the same name, switching to
8009 the first (i.e., default) subspace is preferable in most situations.
8010 For example, it wouldn't be desirable to merge COMDAT data with non
8013 Uses a linear search through all the spaces and subspaces, this may
8014 not be appropriate if we ever being placing each function in its
8017 static ssd_chain_struct
*
8018 is_defined_subspace (char *name
)
8020 sd_chain_struct
*space_chain
;
8021 ssd_chain_struct
*subspace_chain
;
8023 /* Walk through each space. */
8024 for (space_chain
= space_dict_root
;
8026 space_chain
= space_chain
->sd_next
)
8028 /* Walk through each subspace looking for a name which matches. */
8029 for (subspace_chain
= space_chain
->sd_subspaces
;
8031 subspace_chain
= subspace_chain
->ssd_next
)
8032 if (strcmp (SUBSPACE_NAME (subspace_chain
), name
) == 0)
8033 return subspace_chain
;
8036 /* Subspace wasn't found. Return NULL. */
8040 /* Find and return the subspace associated with the given seg. If no
8041 mapping from the given seg to a subspace is found, then return NULL.
8043 If we ever put each procedure/function within its own subspace
8044 (to make life easier on the compiler and linker), then this will have
8045 to become more efficient. */
8047 static ssd_chain_struct
*
8048 pa_subsegment_to_subspace (asection
*seg
, subsegT subseg
)
8050 sd_chain_struct
*space_chain
;
8051 ssd_chain_struct
*subspace_chain
;
8053 /* Walk through each space. */
8054 for (space_chain
= space_dict_root
;
8056 space_chain
= space_chain
->sd_next
)
8058 if (space_chain
->sd_seg
== seg
)
8060 /* Walk through each subspace within each space looking for
8061 the correct mapping. */
8062 for (subspace_chain
= space_chain
->sd_subspaces
;
8064 subspace_chain
= subspace_chain
->ssd_next
)
8065 if (subspace_chain
->ssd_subseg
== (int) subseg
)
8066 return subspace_chain
;
8070 /* No mapping from subsegment to subspace found. Return NULL. */
8074 /* Given a number, try and find a space with the name number.
8076 Return a pointer to a space dictionary chain entry for the space
8077 that was found or NULL on failure. */
8079 static sd_chain_struct
*
8080 pa_find_space_by_number (int number
)
8082 sd_chain_struct
*space_chain
;
8084 for (space_chain
= space_dict_root
;
8086 space_chain
= space_chain
->sd_next
)
8088 if (SPACE_SPNUM (space_chain
) == (unsigned int) number
)
8092 /* No appropriate space found. Return NULL. */
8096 /* Return the starting address for the given subspace. If the starting
8097 address is unknown then return zero. */
8100 pa_subspace_start (sd_chain_struct
*space
, int quadrant
)
8102 /* FIXME. Assumes everyone puts read/write data at 0x4000000, this
8103 is not correct for the PA OSF1 port. */
8104 if ((strcmp (SPACE_NAME (space
), "$PRIVATE$") == 0) && quadrant
== 1)
8106 else if (space
->sd_seg
== data_section
&& quadrant
== 1)
8114 /* Helper function for pa_stringer. Used to find the end of
8118 pa_stringer_aux (char *s
)
8120 unsigned int c
= *s
& CHAR_MASK
;
8133 /* Handle a .STRING type pseudo-op. */
8136 pa_stringer (int append_zero
)
8138 char *s
, num_buf
[4];
8142 /* Preprocess the string to handle PA-specific escape sequences.
8143 For example, \xDD where DD is a hexadecimal number should be
8144 changed to \OOO where OOO is an octal number. */
8147 /* We must have a valid space and subspace. */
8148 pa_check_current_space_and_subspace ();
8151 /* Skip the opening quote. */
8152 s
= input_line_pointer
+ 1;
8154 while (is_a_char (c
= pa_stringer_aux (s
++)))
8161 /* Handle \x<num>. */
8164 unsigned int number
;
8169 /* Get past the 'x'. */
8171 for (num_digit
= 0, number
= 0, dg
= *s
;
8173 && (ISDIGIT (dg
) || (dg
>= 'a' && dg
<= 'f')
8174 || (dg
>= 'A' && dg
<= 'F'));
8178 number
= number
* 16 + dg
- '0';
8179 else if (dg
>= 'a' && dg
<= 'f')
8180 number
= number
* 16 + dg
- 'a' + 10;
8182 number
= number
* 16 + dg
- 'A' + 10;
8192 sprintf (num_buf
, "%02o", number
);
8195 sprintf (num_buf
, "%03o", number
);
8198 for (i
= 0; i
<= num_digit
; i
++)
8199 s_start
[i
] = num_buf
[i
];
8203 /* This might be a "\"", skip over the escaped char. */
8210 stringer (8 + append_zero
);
8211 pa_undefine_label ();
8214 /* Handle a .VERSION pseudo-op. */
8217 pa_version (int unused ATTRIBUTE_UNUSED
)
8220 pa_undefine_label ();
8225 /* Handle a .COMPILER pseudo-op. */
8228 pa_compiler (int unused ATTRIBUTE_UNUSED
)
8230 obj_som_compiler (0);
8231 pa_undefine_label ();
8236 /* Handle a .COPYRIGHT pseudo-op. */
8239 pa_copyright (int unused ATTRIBUTE_UNUSED
)
8242 pa_undefine_label ();
8245 /* Just like a normal cons, but when finished we have to undefine
8246 the latest space label. */
8249 pa_cons (int nbytes
)
8252 pa_undefine_label ();
8255 /* Like float_cons, but we need to undefine our label. */
8258 pa_float_cons (int float_type
)
8260 float_cons (float_type
);
8261 pa_undefine_label ();
8264 /* Like s_fill, but delete our label when finished. */
8267 pa_fill (int unused ATTRIBUTE_UNUSED
)
8270 /* We must have a valid space and subspace. */
8271 pa_check_current_space_and_subspace ();
8275 pa_undefine_label ();
8278 /* Like lcomm, but delete our label when finished. */
8281 pa_lcomm (int needs_align
)
8284 /* We must have a valid space and subspace. */
8285 pa_check_current_space_and_subspace ();
8288 s_lcomm (needs_align
);
8289 pa_undefine_label ();
8292 /* Like lsym, but delete our label when finished. */
8295 pa_lsym (int unused ATTRIBUTE_UNUSED
)
8298 /* We must have a valid space and subspace. */
8299 pa_check_current_space_and_subspace ();
8303 pa_undefine_label ();
8306 /* This function is called once, at assembler startup time. It should
8307 set up all the tables, etc. that the MD part of the assembler will need. */
8312 const char *retval
= NULL
;
8316 last_call_info
= NULL
;
8317 call_info_root
= NULL
;
8319 /* Set the default machine type. */
8320 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, DEFAULT_LEVEL
))
8321 as_warn (_("could not set architecture and machine"));
8323 /* Folding of text and data segments fails miserably on the PA.
8324 Warn user and disable "-R" option. */
8325 if (flag_readonly_data_in_text
)
8327 as_warn (_("-R option not supported on this target."));
8328 flag_readonly_data_in_text
= 0;
8335 op_hash
= hash_new ();
8337 while (i
< NUMOPCODES
)
8339 const char *name
= pa_opcodes
[i
].name
;
8341 retval
= hash_insert (op_hash
, name
, (struct pa_opcode
*) &pa_opcodes
[i
]);
8342 if (retval
!= NULL
&& *retval
!= '\0')
8344 as_fatal (_("Internal error: can't hash `%s': %s\n"), name
, retval
);
8350 if ((pa_opcodes
[i
].match
& pa_opcodes
[i
].mask
)
8351 != pa_opcodes
[i
].match
)
8353 fprintf (stderr
, _("internal error: losing opcode: `%s' \"%s\"\n"),
8354 pa_opcodes
[i
].name
, pa_opcodes
[i
].args
);
8359 while (i
< NUMOPCODES
&& !strcmp (pa_opcodes
[i
].name
, name
));
8363 as_fatal (_("Broken assembler. No assembly attempted."));
8366 /* SOM will change text_section. To make sure we never put
8367 anything into the old one switch to the new one now. */
8368 subseg_set (text_section
, 0);
8372 dummy_symbol
= symbol_find_or_make ("L$dummy");
8373 S_SET_SEGMENT (dummy_symbol
, text_section
);
8374 /* Force the symbol to be converted to a real symbol. */
8375 symbol_get_bfdsym (dummy_symbol
)->flags
|= BSF_KEEP
;
8379 /* On the PA relocations which involve function symbols must not be
8380 adjusted. This so that the linker can know when/how to create argument
8381 relocation stubs for indirect calls and calls to static functions.
8383 "T" field selectors create DLT relative fixups for accessing
8384 globals and statics in PIC code; each DLT relative fixup creates
8385 an entry in the DLT table. The entries contain the address of
8386 the final target (eg accessing "foo" would create a DLT entry
8387 with the address of "foo").
8389 Unfortunately, the HP linker doesn't take into account any addend
8390 when generating the DLT; so accessing $LIT$+8 puts the address of
8391 $LIT$ into the DLT rather than the address of $LIT$+8.
8393 The end result is we can't perform relocation symbol reductions for
8394 any fixup which creates entries in the DLT (eg they use "T" field
8397 ??? Reject reductions involving symbols with external scope; such
8398 reductions make life a living hell for object file editors. */
8401 hppa_fix_adjustable (fixS
*fixp
)
8406 struct hppa_fix_struct
*hppa_fix
;
8408 hppa_fix
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8411 /* LR/RR selectors are implicitly used for a number of different relocation
8412 types. We must ensure that none of these types are adjusted (see below)
8413 even if they occur with a different selector. */
8414 code
= elf_hppa_reloc_final_type (stdoutput
, fixp
->fx_r_type
,
8415 hppa_fix
->fx_r_format
,
8416 hppa_fix
->fx_r_field
);
8420 /* Relocation types which use e_lrsel. */
8421 case R_PARISC_DIR21L
:
8422 case R_PARISC_DLTREL21L
:
8423 case R_PARISC_DPREL21L
:
8424 case R_PARISC_PLTOFF21L
:
8426 /* Relocation types which use e_rrsel. */
8427 case R_PARISC_DIR14R
:
8428 case R_PARISC_DIR14DR
:
8429 case R_PARISC_DIR14WR
:
8430 case R_PARISC_DIR17R
:
8431 case R_PARISC_DLTREL14R
:
8432 case R_PARISC_DLTREL14DR
:
8433 case R_PARISC_DLTREL14WR
:
8434 case R_PARISC_DPREL14R
:
8435 case R_PARISC_DPREL14DR
:
8436 case R_PARISC_DPREL14WR
:
8437 case R_PARISC_PLTOFF14R
:
8438 case R_PARISC_PLTOFF14DR
:
8439 case R_PARISC_PLTOFF14WR
:
8441 /* Other types that we reject for reduction. */
8442 case R_PARISC_GNU_VTENTRY
:
8443 case R_PARISC_GNU_VTINHERIT
:
8450 /* Reject reductions of symbols in sym1-sym2 expressions when
8451 the fixup will occur in a CODE subspace.
8453 XXX FIXME: Long term we probably want to reject all of these;
8454 for example reducing in the debug section would lose if we ever
8455 supported using the optimizing hp linker. */
8458 && (hppa_fix
->segment
->flags
& SEC_CODE
))
8461 /* We can't adjust any relocs that use LR% and RR% field selectors.
8463 If a symbol is reduced to a section symbol, the assembler will
8464 adjust the addend unless the symbol happens to reside right at
8465 the start of the section. Additionally, the linker has no choice
8466 but to manipulate the addends when coalescing input sections for
8467 "ld -r". Since an LR% field selector is defined to round the
8468 addend, we can't change the addend without risking that a LR% and
8469 it's corresponding (possible multiple) RR% field will no longer
8470 sum to the right value.
8473 . ldil LR%foo+0,%r21
8474 . ldw RR%foo+0(%r21),%r26
8475 . ldw RR%foo+4(%r21),%r25
8477 If foo is at address 4092 (decimal) in section `sect', then after
8478 reducing to the section symbol we get
8479 . LR%sect+4092 == (L%sect)+0
8480 . RR%sect+4092 == (R%sect)+4092
8481 . RR%sect+4096 == (R%sect)-4096
8482 and the last address loses because rounding the addend to 8k
8483 multiples takes us up to 8192 with an offset of -4096.
8485 In cases where the LR% expression is identical to the RR% one we
8486 will never have a problem, but is so happens that gcc rounds
8487 addends involved in LR% field selectors to work around a HP
8488 linker bug. ie. We often have addresses like the last case
8489 above where the LR% expression is offset from the RR% one. */
8491 if (hppa_fix
->fx_r_field
== e_lrsel
8492 || hppa_fix
->fx_r_field
== e_rrsel
8493 || hppa_fix
->fx_r_field
== e_nlrsel
)
8496 /* Reject reductions of symbols in DLT relative relocs,
8497 relocations with plabels. */
8498 if (hppa_fix
->fx_r_field
== e_tsel
8499 || hppa_fix
->fx_r_field
== e_ltsel
8500 || hppa_fix
->fx_r_field
== e_rtsel
8501 || hppa_fix
->fx_r_field
== e_psel
8502 || hppa_fix
->fx_r_field
== e_rpsel
8503 || hppa_fix
->fx_r_field
== e_lpsel
)
8506 /* Reject absolute calls (jumps). */
8507 if (hppa_fix
->fx_r_type
== R_HPPA_ABS_CALL
)
8510 /* Reject reductions of function symbols. */
8511 if (fixp
->fx_addsy
!= 0 && S_IS_FUNCTION (fixp
->fx_addsy
))
8517 /* Return nonzero if the fixup in FIXP will require a relocation,
8518 even it if appears that the fixup could be completely handled
8522 hppa_force_relocation (struct fix
*fixp
)
8524 struct hppa_fix_struct
*hppa_fixp
;
8526 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8528 if (fixp
->fx_r_type
== (int) R_HPPA_ENTRY
8529 || fixp
->fx_r_type
== (int) R_HPPA_EXIT
8530 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_BRTAB
8531 || fixp
->fx_r_type
== (int) R_HPPA_END_BRTAB
8532 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_TRY
8533 || fixp
->fx_r_type
== (int) R_HPPA_END_TRY
8534 || (fixp
->fx_addsy
!= NULL
&& fixp
->fx_subsy
!= NULL
8535 && (hppa_fixp
->segment
->flags
& SEC_CODE
) != 0))
8539 if (fixp
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
8540 || fixp
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
)
8544 gas_assert (fixp
->fx_addsy
!= NULL
);
8546 /* Ensure we emit a relocation for global symbols so that dynamic
8548 if (S_FORCE_RELOC (fixp
->fx_addsy
, 1))
8551 /* It is necessary to force PC-relative calls/jumps to have a relocation
8552 entry if they're going to need either an argument relocation or long
8555 && arg_reloc_stub_needed (symbol_arg_reloc_info (fixp
->fx_addsy
),
8556 hppa_fixp
->fx_arg_reloc
))
8559 /* Now check to see if we're going to need a long-branch stub. */
8560 if (fixp
->fx_r_type
== (int) R_HPPA_PCREL_CALL
)
8562 long pc
= md_pcrel_from (fixp
);
8563 valueT distance
, min_stub_distance
;
8565 distance
= fixp
->fx_offset
+ S_GET_VALUE (fixp
->fx_addsy
) - pc
- 8;
8567 /* Distance to the closest possible stub. This will detect most
8568 but not all circumstances where a stub will not work. */
8569 min_stub_distance
= pc
+ 16;
8571 if (last_call_info
!= NULL
)
8572 min_stub_distance
-= S_GET_VALUE (last_call_info
->start_symbol
);
8575 if ((distance
+ 8388608 >= 16777216
8576 && min_stub_distance
<= 8388608)
8577 || (hppa_fixp
->fx_r_format
== 17
8578 && distance
+ 262144 >= 524288
8579 && min_stub_distance
<= 262144)
8580 || (hppa_fixp
->fx_r_format
== 12
8581 && distance
+ 8192 >= 16384
8582 && min_stub_distance
<= 8192)
8587 if (fixp
->fx_r_type
== (int) R_HPPA_ABS_CALL
)
8590 /* No need (yet) to force another relocations to be emitted. */
8594 /* Now for some ELF specific code. FIXME. */
8596 /* For ELF, this function serves one purpose: to setup the st_size
8597 field of STT_FUNC symbols. To do this, we need to scan the
8598 call_info structure list, determining st_size in by taking the
8599 difference in the address of the beginning/end marker symbols. */
8602 elf_hppa_final_processing (void)
8604 struct call_info
*call_info_pointer
;
8606 for (call_info_pointer
= call_info_root
;
8608 call_info_pointer
= call_info_pointer
->ci_next
)
8610 elf_symbol_type
*esym
8611 = ((elf_symbol_type
*)
8612 symbol_get_bfdsym (call_info_pointer
->start_symbol
));
8613 esym
->internal_elf_sym
.st_size
=
8614 S_GET_VALUE (call_info_pointer
->end_symbol
)
8615 - S_GET_VALUE (call_info_pointer
->start_symbol
) + 4;
8620 pa_vtable_entry (int ignore ATTRIBUTE_UNUSED
)
8622 struct fix
*new_fix
;
8624 new_fix
= obj_elf_vtable_entry (0);
8628 struct hppa_fix_struct
* hppa_fix
= obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
8630 hppa_fix
->fx_r_type
= R_HPPA
;
8631 hppa_fix
->fx_r_field
= e_fsel
;
8632 hppa_fix
->fx_r_format
= 32;
8633 hppa_fix
->fx_arg_reloc
= 0;
8634 hppa_fix
->segment
= now_seg
;
8635 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8636 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTENTRY
;
8641 pa_vtable_inherit (int ignore ATTRIBUTE_UNUSED
)
8643 struct fix
*new_fix
;
8645 new_fix
= obj_elf_vtable_inherit (0);
8649 struct hppa_fix_struct
* hppa_fix
= obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
8651 hppa_fix
->fx_r_type
= R_HPPA
;
8652 hppa_fix
->fx_r_field
= e_fsel
;
8653 hppa_fix
->fx_r_format
= 32;
8654 hppa_fix
->fx_arg_reloc
= 0;
8655 hppa_fix
->segment
= now_seg
;
8656 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8657 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTINHERIT
;
8662 /* Table of pseudo ops for the PA. FIXME -- how many of these
8663 are now redundant with the overall GAS and the object file
8664 dependent tables? */
8665 const pseudo_typeS md_pseudo_table
[] =
8667 /* align pseudo-ops on the PA specify the actual alignment requested,
8668 not the log2 of the requested alignment. */
8670 {"align", pa_align
, 8},
8673 {"align", s_align_bytes
, 8},
8675 {"begin_brtab", pa_brtab
, 1},
8676 {"begin_try", pa_try
, 1},
8677 {"block", pa_block
, 1},
8678 {"blockz", pa_block
, 0},
8679 {"byte", pa_cons
, 1},
8680 {"call", pa_call
, 0},
8681 {"callinfo", pa_callinfo
, 0},
8682 #if defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))
8683 {"code", obj_elf_text
, 0},
8685 {"code", pa_text
, 0},
8686 {"comm", pa_comm
, 0},
8689 {"compiler", pa_compiler
, 0},
8691 {"copyright", pa_copyright
, 0},
8692 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
8693 {"data", pa_data
, 0},
8695 {"double", pa_float_cons
, 'd'},
8696 {"dword", pa_cons
, 8},
8698 {"end_brtab", pa_brtab
, 0},
8699 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
8700 {"end_try", pa_try
, 0},
8702 {"enter", pa_enter
, 0},
8703 {"entry", pa_entry
, 0},
8705 {"exit", pa_exit
, 0},
8706 {"export", pa_export
, 0},
8707 {"fill", pa_fill
, 0},
8708 {"float", pa_float_cons
, 'f'},
8709 {"half", pa_cons
, 2},
8710 {"import", pa_import
, 0},
8711 {"int", pa_cons
, 4},
8712 {"label", pa_label
, 0},
8713 {"lcomm", pa_lcomm
, 0},
8714 {"leave", pa_leave
, 0},
8715 {"level", pa_level
, 0},
8716 {"long", pa_cons
, 4},
8717 {"lsym", pa_lsym
, 0},
8719 {"nsubspa", pa_subspace
, 1},
8721 {"octa", pa_cons
, 16},
8722 {"org", pa_origin
, 0},
8723 {"origin", pa_origin
, 0},
8724 {"param", pa_param
, 0},
8725 {"proc", pa_proc
, 0},
8726 {"procend", pa_procend
, 0},
8727 {"quad", pa_cons
, 8},
8729 {"short", pa_cons
, 2},
8730 {"single", pa_float_cons
, 'f'},
8732 {"space", pa_space
, 0},
8733 {"spnum", pa_spnum
, 0},
8735 {"string", pa_stringer
, 0},
8736 {"stringz", pa_stringer
, 1},
8738 {"subspa", pa_subspace
, 0},
8740 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
8741 {"text", pa_text
, 0},
8743 {"version", pa_version
, 0},
8745 {"vtable_entry", pa_vtable_entry
, 0},
8746 {"vtable_inherit", pa_vtable_inherit
, 0},
8748 {"word", pa_cons
, 4},
8754 hppa_cfi_frame_initial_instructions (void)
8756 cfi_add_CFA_def_cfa (30, 0);
8760 hppa_regname_to_dw2regnum (char *regname
)
8762 unsigned int regnum
= -1;
8766 static struct { char *name
; int dw2regnum
; } regnames
[] =
8768 { "sp", 30 }, { "rp", 2 },
8771 for (i
= 0; i
< ARRAY_SIZE (regnames
); ++i
)
8772 if (strcmp (regnames
[i
].name
, regname
) == 0)
8773 return regnames
[i
].dw2regnum
;
8775 if (regname
[0] == 'r')
8778 regnum
= strtoul (p
, &q
, 10);
8779 if (p
== q
|| *q
|| regnum
>= 32)
8782 else if (regname
[0] == 'f' && regname
[1] == 'r')
8785 regnum
= strtoul (p
, &q
, 10);
8786 #if TARGET_ARCH_SIZE == 64
8787 if (p
== q
|| *q
|| regnum
<= 4 || regnum
>= 32)
8792 || (*q
&& ((*q
!= 'L' && *q
!= 'R') || *(q
+ 1)))
8793 || regnum
<= 4 || regnum
>= 32)
8795 regnum
= (regnum
- 4) * 2 + 32;