1 /* tc-hppa.c -- Assemble for the PA
2 Copyright (C) 1989-2020 Free Software Foundation, Inc.
4 This file is part of GAS, the GNU Assembler.
6 GAS is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3, or (at your option)
11 GAS is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GAS; see the file COPYING. If not, write to the Free
18 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
21 /* HP PA-RISC support was contributed by the Center for Software Science
22 at the University of Utah. */
25 #include "safe-ctype.h"
27 #include "dw2gencfi.h"
29 #include "bfd/libhppa.h"
31 /* Be careful, this file includes data *declarations*. */
32 #include "opcode/hppa.h"
34 #if defined (OBJ_ELF) && defined (OBJ_SOM)
35 error only one of OBJ_ELF
and OBJ_SOM can be defined
38 /* If we are using ELF, then we probably can support dwarf2 debug
39 records. Furthermore, if we are supporting dwarf2 debug records,
40 then we want to use the assembler support for compact line numbers. */
42 #include "dwarf2dbg.h"
44 /* A "convenient" place to put object file dependencies which do
45 not need to be seen outside of tc-hppa.c. */
47 /* Object file formats specify relocation types. */
48 typedef enum elf_hppa_reloc_type reloc_type
;
50 /* Object file formats specify BFD symbol types. */
51 typedef elf_symbol_type obj_symbol_type
;
52 #define symbol_arg_reloc_info(sym)\
53 (((obj_symbol_type *) symbol_get_bfdsym (sym))->tc_data.hppa_arg_reloc)
55 #if TARGET_ARCH_SIZE == 64
56 /* How to generate a relocation. */
57 #define hppa_gen_reloc_type _bfd_elf64_hppa_gen_reloc_type
58 #define elf_hppa_reloc_final_type elf64_hppa_reloc_final_type
60 #define hppa_gen_reloc_type _bfd_elf32_hppa_gen_reloc_type
61 #define elf_hppa_reloc_final_type elf32_hppa_reloc_final_type
64 /* ELF objects can have versions, but apparently do not have anywhere
65 to store a copyright string. */
66 #define obj_version obj_elf_version
67 #define obj_copyright obj_elf_version
69 #define UNWIND_SECTION_NAME ".PARISC.unwind"
73 /* Names of various debugging spaces/subspaces. */
74 #define GDB_DEBUG_SPACE_NAME "$GDB_DEBUG$"
75 #define GDB_STRINGS_SUBSPACE_NAME "$GDB_STRINGS$"
76 #define GDB_SYMBOLS_SUBSPACE_NAME "$GDB_SYMBOLS$"
77 #define UNWIND_SECTION_NAME "$UNWIND$"
79 /* Object file formats specify relocation types. */
80 typedef int reloc_type
;
82 /* SOM objects can have both a version string and a copyright string. */
83 #define obj_version obj_som_version
84 #define obj_copyright obj_som_copyright
86 /* How to generate a relocation. */
87 #define hppa_gen_reloc_type hppa_som_gen_reloc_type
89 /* Object file formats specify BFD symbol types. */
90 typedef som_symbol_type obj_symbol_type
;
91 #define symbol_arg_reloc_info(sym)\
92 (((obj_symbol_type *) symbol_get_bfdsym (sym))->tc_data.ap.hppa_arg_reloc)
94 /* This apparently isn't in older versions of hpux reloc.h. */
96 #define R_DLT_REL 0x78
108 #if TARGET_ARCH_SIZE == 64
109 #define DEFAULT_LEVEL 25
111 #define DEFAULT_LEVEL 10
114 /* Various structures and types used internally in tc-hppa.c. */
116 /* Unwind table and descriptor. FIXME: Sync this with GDB version. */
120 unsigned int cannot_unwind
:1;
121 unsigned int millicode
:1;
122 unsigned int millicode_save_rest
:1;
123 unsigned int region_desc
:2;
124 unsigned int save_sr
:2;
125 unsigned int entry_fr
:4;
126 unsigned int entry_gr
:5;
127 unsigned int args_stored
:1;
128 unsigned int call_fr
:5;
129 unsigned int call_gr
:5;
130 unsigned int save_sp
:1;
131 unsigned int save_rp
:1;
132 unsigned int save_rp_in_frame
:1;
133 unsigned int extn_ptr_defined
:1;
134 unsigned int cleanup_defined
:1;
136 unsigned int hpe_interrupt_marker
:1;
137 unsigned int hpux_interrupt_marker
:1;
138 unsigned int reserved
:3;
139 unsigned int frame_size
:27;
142 /* We can't rely on compilers placing bitfields in any particular
143 place, so use these macros when dumping unwind descriptors to
145 #define UNWIND_LOW32(U) \
146 (((U)->cannot_unwind << 31) \
147 | ((U)->millicode << 30) \
148 | ((U)->millicode_save_rest << 29) \
149 | ((U)->region_desc << 27) \
150 | ((U)->save_sr << 25) \
151 | ((U)->entry_fr << 21) \
152 | ((U)->entry_gr << 16) \
153 | ((U)->args_stored << 15) \
154 | ((U)->call_fr << 10) \
155 | ((U)->call_gr << 5) \
156 | ((U)->save_sp << 4) \
157 | ((U)->save_rp << 3) \
158 | ((U)->save_rp_in_frame << 2) \
159 | ((U)->extn_ptr_defined << 1) \
160 | ((U)->cleanup_defined << 0))
162 #define UNWIND_HIGH32(U) \
163 (((U)->hpe_interrupt_marker << 31) \
164 | ((U)->hpux_interrupt_marker << 30) \
165 | ((U)->frame_size << 0))
169 /* Starting and ending offsets of the region described by
171 unsigned int start_offset
;
172 unsigned int end_offset
;
173 struct unwind_desc descriptor
;
176 /* This structure is used by the .callinfo, .enter, .leave pseudo-ops to
177 control the entry and exit code they generate. It is also used in
178 creation of the correct stack unwind descriptors.
180 NOTE: GAS does not support .enter and .leave for the generation of
181 prologues and epilogues. FIXME.
183 The fields in structure roughly correspond to the arguments available on the
184 .callinfo pseudo-op. */
188 /* The unwind descriptor being built. */
189 struct unwind_table ci_unwind
;
191 /* Name of this function. */
192 symbolS
*start_symbol
;
194 /* (temporary) symbol used to mark the end of this function. */
197 /* Next entry in the chain. */
198 struct call_info
*ci_next
;
201 /* Operand formats for FP instructions. Note not all FP instructions
202 allow all four formats to be used (for example fmpysub only allows
206 SGL
, DBL
, ILLEGAL_FMT
, QUAD
, W
, UW
, DW
, UDW
, QW
, UQW
210 /* This fully describes the symbol types which may be attached to
211 an EXPORT or IMPORT directive. Only SOM uses this formation
212 (ELF has no need for it). */
216 SYMBOL_TYPE_ABSOLUTE
,
220 SYMBOL_TYPE_MILLICODE
,
222 SYMBOL_TYPE_PRI_PROG
,
223 SYMBOL_TYPE_SEC_PROG
,
227 /* This structure contains information needed to assemble
228 individual instructions. */
231 /* Holds the opcode after parsing by pa_ip. */
232 unsigned long opcode
;
234 /* Holds an expression associated with the current instruction. */
237 /* Does this instruction use PC-relative addressing. */
240 /* Floating point formats for operand1 and operand2. */
241 fp_operand_format fpof1
;
242 fp_operand_format fpof2
;
244 /* Whether or not we saw a truncation request on an fcnv insn. */
247 /* Holds the field selector for this instruction
248 (for example L%, LR%, etc). */
251 /* Holds any argument relocation bits associated with this
252 instruction. (instruction should be some sort of call). */
253 unsigned int arg_reloc
;
255 /* The format specification for this instruction. */
258 /* The relocation (if any) associated with this instruction. */
262 /* PA-89 floating point registers are arranged like this:
264 +--------------+--------------+
265 | 0 or 16L | 16 or 16R |
266 +--------------+--------------+
267 | 1 or 17L | 17 or 17R |
268 +--------------+--------------+
276 +--------------+--------------+
277 | 14 or 30L | 30 or 30R |
278 +--------------+--------------+
279 | 15 or 31L | 31 or 31R |
280 +--------------+--------------+ */
282 /* Additional information needed to build argument relocation stubs. */
285 /* The argument relocation specification. */
286 unsigned int arg_reloc
;
288 /* Number of arguments. */
289 unsigned int arg_count
;
293 /* This structure defines an entry in the subspace dictionary
296 struct subspace_dictionary_chain
298 /* Nonzero if this space has been defined by the user code. */
299 unsigned int ssd_defined
;
301 /* Name of this subspace. */
304 /* GAS segment and subsegment associated with this subspace. */
308 /* Next space in the subspace dictionary chain. */
309 struct subspace_dictionary_chain
*ssd_next
;
312 typedef struct subspace_dictionary_chain ssd_chain_struct
;
314 /* This structure defines an entry in the subspace dictionary
317 struct space_dictionary_chain
319 /* Nonzero if this space has been defined by the user code or
320 as a default space. */
321 unsigned int sd_defined
;
323 /* Nonzero if this spaces has been defined by the user code. */
324 unsigned int sd_user_defined
;
326 /* The space number (or index). */
327 unsigned int sd_spnum
;
329 /* The name of this subspace. */
332 /* GAS segment to which this subspace corresponds. */
335 /* Current subsegment number being used. */
338 /* The chain of subspaces contained within this space. */
339 ssd_chain_struct
*sd_subspaces
;
341 /* The next entry in the space dictionary chain. */
342 struct space_dictionary_chain
*sd_next
;
345 typedef struct space_dictionary_chain sd_chain_struct
;
347 /* This structure defines attributes of the default subspace
348 dictionary entries. */
350 struct default_subspace_dict
352 /* Name of the subspace. */
355 /* FIXME. Is this still needed? */
358 /* Nonzero if this subspace is loadable. */
361 /* Nonzero if this subspace contains only code. */
364 /* Nonzero if this is a comdat subspace. */
367 /* Nonzero if this is a common subspace. */
370 /* Nonzero if this is a common subspace which allows symbols
371 to be multiply defined. */
374 /* Nonzero if this subspace should be zero filled. */
377 /* Sort key for this subspace. */
380 /* Access control bits for this subspace. Can represent RWX access
381 as well as privilege level changes for gateways. */
384 /* Index of containing space. */
387 /* Alignment (in bytes) of this subspace. */
390 /* Quadrant within space where this subspace should be loaded. */
393 /* An index into the default spaces array. */
396 /* Subsegment associated with this subspace. */
400 /* This structure defines attributes of the default space
401 dictionary entries. */
403 struct default_space_dict
405 /* Name of the space. */
408 /* Space number. It is possible to identify spaces within
409 assembly code numerically! */
412 /* Nonzero if this space is loadable. */
415 /* Nonzero if this space is "defined". FIXME is still needed */
418 /* Nonzero if this space can not be shared. */
421 /* Sort key for this space. */
424 /* Segment associated with this space. */
429 /* Structure for previous label tracking. Needed so that alignments,
430 callinfo declarations, etc can be easily attached to a particular
432 typedef struct label_symbol_struct
434 struct symbol
*lss_label
;
436 sd_chain_struct
*lss_space
;
441 struct label_symbol_struct
*lss_next
;
445 /* Extra information needed to perform fixups (relocations) on the PA. */
446 struct hppa_fix_struct
448 /* The field selector. */
449 enum hppa_reloc_field_selector_type_alt fx_r_field
;
454 /* Format of fixup. */
457 /* Argument relocation bits. */
458 unsigned int fx_arg_reloc
;
460 /* The segment this fixup appears in. */
464 /* Structure to hold information about predefined registers. */
472 /* This structure defines the mapping from a FP condition string
473 to a condition number which can be recorded in an instruction. */
480 /* This structure defines a mapping from a field selector
481 string to a field selector type. */
482 struct selector_entry
488 /* Prototypes for functions local to tc-hppa.c. */
491 static void pa_check_current_space_and_subspace (void);
494 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
495 static void pa_text (int);
496 static void pa_data (int);
497 static void pa_comm (int);
500 static int exact_log2 (int);
501 static void pa_compiler (int);
502 static void pa_align (int);
503 static void pa_space (int);
504 static void pa_spnum (int);
505 static void pa_subspace (int);
506 static sd_chain_struct
*create_new_space (const char *, int, int,
509 static ssd_chain_struct
*create_new_subspace (sd_chain_struct
*,
510 const char *, int, int,
514 static ssd_chain_struct
*update_subspace (sd_chain_struct
*,
515 char *, int, int, int,
519 static sd_chain_struct
*is_defined_space (const char *);
520 static ssd_chain_struct
*is_defined_subspace (const char *);
521 static sd_chain_struct
*pa_segment_to_space (asection
*);
522 static ssd_chain_struct
*pa_subsegment_to_subspace (asection
*,
524 static sd_chain_struct
*pa_find_space_by_number (int);
525 static unsigned int pa_subspace_start (sd_chain_struct
*, int);
526 static sd_chain_struct
*pa_parse_space_stmt (const char *, int);
529 /* File and globally scoped variable declarations. */
532 /* Root and final entry in the space chain. */
533 static sd_chain_struct
*space_dict_root
;
534 static sd_chain_struct
*space_dict_last
;
536 /* The current space and subspace. */
537 static sd_chain_struct
*current_space
;
538 static ssd_chain_struct
*current_subspace
;
541 /* Root of the call_info chain. */
542 static struct call_info
*call_info_root
;
544 /* The last call_info (for functions) structure
545 seen so it can be associated with fixups and
547 static struct call_info
*last_call_info
;
549 /* The last call description (for actual calls). */
550 static struct call_desc last_call_desc
;
552 /* handle of the OPCODE hash table */
553 static htab_t op_hash
= NULL
;
555 /* These characters can be suffixes of opcode names and they may be
556 followed by meaningful whitespace. We don't include `,' and `!'
557 as they never appear followed by meaningful whitespace. */
558 const char hppa_symbol_chars
[] = "*?=<>";
560 /* This array holds the chars that only start a comment at the beginning of
561 a line. If the line seems to have the form '# 123 filename'
562 .line and .file directives will appear in the pre-processed output.
564 Note that input_file.c hand checks for '#' at the beginning of the
565 first line of the input file. This is because the compiler outputs
566 #NO_APP at the beginning of its output.
568 Also note that C style comments will always work. */
569 const char line_comment_chars
[] = "#";
571 /* This array holds the chars that always start a comment. If the
572 pre-processor is disabled, these aren't very useful. */
573 const char comment_chars
[] = ";";
575 /* This array holds the characters which act as line separators. */
576 const char line_separator_chars
[] = "!";
578 /* Chars that can be used to separate mant from exp in floating point nums. */
579 const char EXP_CHARS
[] = "eE";
581 /* Chars that mean this number is a floating point constant.
582 As in 0f12.456 or 0d1.2345e12.
584 Be aware that MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT may have to be
585 changed in read.c. Ideally it shouldn't have to know about it
586 at all, but nothing is ideal around here. */
587 const char FLT_CHARS
[] = "rRsSfFdDxXpP";
589 static struct pa_it the_insn
;
591 /* Points to the end of an expression just parsed by get_expression
592 and friends. FIXME. This shouldn't be handled with a file-global
594 static char *expr_end
;
596 /* Nonzero if a .callinfo appeared within the current procedure. */
597 static int callinfo_found
;
599 /* Nonzero if the assembler is currently within a .entry/.exit pair. */
600 static int within_entry_exit
;
602 /* Nonzero if the assembler is currently within a procedure definition. */
603 static int within_procedure
;
605 /* Handle on structure which keep track of the last symbol
606 seen in each subspace. */
607 static label_symbol_struct
*label_symbols_rootp
= NULL
;
609 /* Last label symbol */
610 static label_symbol_struct last_label_symbol
;
612 /* Nonzero when strict matching is enabled. Zero otherwise.
614 Each opcode in the table has a flag which indicates whether or
615 not strict matching should be enabled for that instruction.
617 Mainly, strict causes errors to be ignored when a match failure
618 occurs. However, it also affects the parsing of register fields
619 by pa_parse_number. */
622 /* pa_parse_number returns values in `pa_number'. Mostly
623 pa_parse_number is used to return a register number, with floating
624 point registers being numbered from FP_REG_BASE upwards.
625 The bit specified with FP_REG_RSEL is set if the floating point
626 register has a `r' suffix. */
627 #define FP_REG_BASE 64
628 #define FP_REG_RSEL 128
629 static int pa_number
;
632 /* A dummy bfd symbol so that all relocations have symbols of some kind. */
633 static symbolS
*dummy_symbol
;
636 /* Nonzero if errors are to be printed. */
637 static int print_errors
= 1;
639 /* List of registers that are pre-defined:
641 Each general register has one predefined name of the form
642 %r<REGNUM> which has the value <REGNUM>.
644 Space and control registers are handled in a similar manner,
645 but use %sr<REGNUM> and %cr<REGNUM> as their predefined names.
647 Likewise for the floating point registers, but of the form
648 %fr<REGNUM>. Floating point registers have additional predefined
649 names with 'L' and 'R' suffixes (e.g. %fr19L, %fr19R) which
650 again have the value <REGNUM>.
652 Many registers also have synonyms:
654 %r26 - %r23 have %arg0 - %arg3 as synonyms
655 %r28 - %r29 have %ret0 - %ret1 as synonyms
656 %fr4 - %fr7 have %farg0 - %farg3 as synonyms
657 %r30 has %sp as a synonym
658 %r27 has %dp as a synonym
659 %r2 has %rp as a synonym
661 Almost every control register has a synonym; they are not listed
664 The table is sorted. Suitable for searching by a binary search. */
666 static const struct pd_reg pre_defined_registers
[] =
700 {"%farg0", 4 + FP_REG_BASE
},
701 {"%farg1", 5 + FP_REG_BASE
},
702 {"%farg2", 6 + FP_REG_BASE
},
703 {"%farg3", 7 + FP_REG_BASE
},
704 {"%fr0", 0 + FP_REG_BASE
},
705 {"%fr0l", 0 + FP_REG_BASE
},
706 {"%fr0r", 0 + FP_REG_BASE
+ FP_REG_RSEL
},
707 {"%fr1", 1 + FP_REG_BASE
},
708 {"%fr10", 10 + FP_REG_BASE
},
709 {"%fr10l", 10 + FP_REG_BASE
},
710 {"%fr10r", 10 + FP_REG_BASE
+ FP_REG_RSEL
},
711 {"%fr11", 11 + FP_REG_BASE
},
712 {"%fr11l", 11 + FP_REG_BASE
},
713 {"%fr11r", 11 + FP_REG_BASE
+ FP_REG_RSEL
},
714 {"%fr12", 12 + FP_REG_BASE
},
715 {"%fr12l", 12 + FP_REG_BASE
},
716 {"%fr12r", 12 + FP_REG_BASE
+ FP_REG_RSEL
},
717 {"%fr13", 13 + FP_REG_BASE
},
718 {"%fr13l", 13 + FP_REG_BASE
},
719 {"%fr13r", 13 + FP_REG_BASE
+ FP_REG_RSEL
},
720 {"%fr14", 14 + FP_REG_BASE
},
721 {"%fr14l", 14 + FP_REG_BASE
},
722 {"%fr14r", 14 + FP_REG_BASE
+ FP_REG_RSEL
},
723 {"%fr15", 15 + FP_REG_BASE
},
724 {"%fr15l", 15 + FP_REG_BASE
},
725 {"%fr15r", 15 + FP_REG_BASE
+ FP_REG_RSEL
},
726 {"%fr16", 16 + FP_REG_BASE
},
727 {"%fr16l", 16 + FP_REG_BASE
},
728 {"%fr16r", 16 + FP_REG_BASE
+ FP_REG_RSEL
},
729 {"%fr17", 17 + FP_REG_BASE
},
730 {"%fr17l", 17 + FP_REG_BASE
},
731 {"%fr17r", 17 + FP_REG_BASE
+ FP_REG_RSEL
},
732 {"%fr18", 18 + FP_REG_BASE
},
733 {"%fr18l", 18 + FP_REG_BASE
},
734 {"%fr18r", 18 + FP_REG_BASE
+ FP_REG_RSEL
},
735 {"%fr19", 19 + FP_REG_BASE
},
736 {"%fr19l", 19 + FP_REG_BASE
},
737 {"%fr19r", 19 + FP_REG_BASE
+ FP_REG_RSEL
},
738 {"%fr1l", 1 + FP_REG_BASE
},
739 {"%fr1r", 1 + FP_REG_BASE
+ FP_REG_RSEL
},
740 {"%fr2", 2 + FP_REG_BASE
},
741 {"%fr20", 20 + FP_REG_BASE
},
742 {"%fr20l", 20 + FP_REG_BASE
},
743 {"%fr20r", 20 + FP_REG_BASE
+ FP_REG_RSEL
},
744 {"%fr21", 21 + FP_REG_BASE
},
745 {"%fr21l", 21 + FP_REG_BASE
},
746 {"%fr21r", 21 + FP_REG_BASE
+ FP_REG_RSEL
},
747 {"%fr22", 22 + FP_REG_BASE
},
748 {"%fr22l", 22 + FP_REG_BASE
},
749 {"%fr22r", 22 + FP_REG_BASE
+ FP_REG_RSEL
},
750 {"%fr23", 23 + FP_REG_BASE
},
751 {"%fr23l", 23 + FP_REG_BASE
},
752 {"%fr23r", 23 + FP_REG_BASE
+ FP_REG_RSEL
},
753 {"%fr24", 24 + FP_REG_BASE
},
754 {"%fr24l", 24 + FP_REG_BASE
},
755 {"%fr24r", 24 + FP_REG_BASE
+ FP_REG_RSEL
},
756 {"%fr25", 25 + FP_REG_BASE
},
757 {"%fr25l", 25 + FP_REG_BASE
},
758 {"%fr25r", 25 + FP_REG_BASE
+ FP_REG_RSEL
},
759 {"%fr26", 26 + FP_REG_BASE
},
760 {"%fr26l", 26 + FP_REG_BASE
},
761 {"%fr26r", 26 + FP_REG_BASE
+ FP_REG_RSEL
},
762 {"%fr27", 27 + FP_REG_BASE
},
763 {"%fr27l", 27 + FP_REG_BASE
},
764 {"%fr27r", 27 + FP_REG_BASE
+ FP_REG_RSEL
},
765 {"%fr28", 28 + FP_REG_BASE
},
766 {"%fr28l", 28 + FP_REG_BASE
},
767 {"%fr28r", 28 + FP_REG_BASE
+ FP_REG_RSEL
},
768 {"%fr29", 29 + FP_REG_BASE
},
769 {"%fr29l", 29 + FP_REG_BASE
},
770 {"%fr29r", 29 + FP_REG_BASE
+ FP_REG_RSEL
},
771 {"%fr2l", 2 + FP_REG_BASE
},
772 {"%fr2r", 2 + FP_REG_BASE
+ FP_REG_RSEL
},
773 {"%fr3", 3 + FP_REG_BASE
},
774 {"%fr30", 30 + FP_REG_BASE
},
775 {"%fr30l", 30 + FP_REG_BASE
},
776 {"%fr30r", 30 + FP_REG_BASE
+ FP_REG_RSEL
},
777 {"%fr31", 31 + FP_REG_BASE
},
778 {"%fr31l", 31 + FP_REG_BASE
},
779 {"%fr31r", 31 + FP_REG_BASE
+ FP_REG_RSEL
},
780 {"%fr3l", 3 + FP_REG_BASE
},
781 {"%fr3r", 3 + FP_REG_BASE
+ FP_REG_RSEL
},
782 {"%fr4", 4 + FP_REG_BASE
},
783 {"%fr4l", 4 + FP_REG_BASE
},
784 {"%fr4r", 4 + FP_REG_BASE
+ FP_REG_RSEL
},
785 {"%fr5", 5 + FP_REG_BASE
},
786 {"%fr5l", 5 + FP_REG_BASE
},
787 {"%fr5r", 5 + FP_REG_BASE
+ FP_REG_RSEL
},
788 {"%fr6", 6 + FP_REG_BASE
},
789 {"%fr6l", 6 + FP_REG_BASE
},
790 {"%fr6r", 6 + FP_REG_BASE
+ FP_REG_RSEL
},
791 {"%fr7", 7 + FP_REG_BASE
},
792 {"%fr7l", 7 + FP_REG_BASE
},
793 {"%fr7r", 7 + FP_REG_BASE
+ FP_REG_RSEL
},
794 {"%fr8", 8 + FP_REG_BASE
},
795 {"%fr8l", 8 + FP_REG_BASE
},
796 {"%fr8r", 8 + FP_REG_BASE
+ FP_REG_RSEL
},
797 {"%fr9", 9 + FP_REG_BASE
},
798 {"%fr9l", 9 + FP_REG_BASE
},
799 {"%fr9r", 9 + FP_REG_BASE
+ FP_REG_RSEL
},
808 #if TARGET_ARCH_SIZE == 64
884 /* This table is sorted by order of the length of the string. This is
885 so we check for <> before we check for <. If we had a <> and checked
886 for < first, we would get a false match. */
887 static const struct fp_cond_map fp_cond_map
[] =
923 static const struct selector_entry selector_table
[] =
948 /* default space and subspace dictionaries */
950 #define GDB_SYMBOLS GDB_SYMBOLS_SUBSPACE_NAME
951 #define GDB_STRINGS GDB_STRINGS_SUBSPACE_NAME
953 /* pre-defined subsegments (subspaces) for the HPPA. */
954 #define SUBSEG_CODE 0
956 #define SUBSEG_MILLI 2
957 #define SUBSEG_DATA 0
959 #define SUBSEG_UNWIND 3
960 #define SUBSEG_GDB_STRINGS 0
961 #define SUBSEG_GDB_SYMBOLS 1
963 static struct default_subspace_dict pa_def_subspaces
[] =
965 {"$CODE$", 1, 1, 1, 0, 0, 0, 0, 24, 0x2c, 0, 8, 0, 0, SUBSEG_CODE
},
966 {"$DATA$", 1, 1, 0, 0, 0, 0, 0, 24, 0x1f, 1, 8, 1, 1, SUBSEG_DATA
},
967 {"$LIT$", 1, 1, 0, 0, 0, 0, 0, 16, 0x2c, 0, 8, 0, 0, SUBSEG_LIT
},
968 {"$MILLICODE$", 1, 1, 0, 0, 0, 0, 0, 8, 0x2c, 0, 8, 0, 0, SUBSEG_MILLI
},
969 {"$BSS$", 1, 1, 0, 0, 0, 0, 1, 80, 0x1f, 1, 8, 1, 1, SUBSEG_BSS
},
970 {NULL
, 0, 1, 0, 0, 0, 0, 0, 255, 0x1f, 0, 4, 0, 0, 0}
973 static struct default_space_dict pa_def_spaces
[] =
975 {"$TEXT$", 0, 1, 1, 0, 8, ASEC_NULL
},
976 {"$PRIVATE$", 1, 1, 1, 1, 16, ASEC_NULL
},
977 {NULL
, 0, 0, 0, 0, 0, ASEC_NULL
}
980 /* Misc local definitions used by the assembler. */
982 /* These macros are used to maintain spaces/subspaces. */
983 #define SPACE_DEFINED(space_chain) (space_chain)->sd_defined
984 #define SPACE_USER_DEFINED(space_chain) (space_chain)->sd_user_defined
985 #define SPACE_SPNUM(space_chain) (space_chain)->sd_spnum
986 #define SPACE_NAME(space_chain) (space_chain)->sd_name
988 #define SUBSPACE_DEFINED(ss_chain) (ss_chain)->ssd_defined
989 #define SUBSPACE_NAME(ss_chain) (ss_chain)->ssd_name
992 /* Return nonzero if the string pointed to by S potentially represents
993 a right or left half of a FP register */
994 #define IS_R_SELECT(S) (*(S) == 'R' || *(S) == 'r')
995 #define IS_L_SELECT(S) (*(S) == 'L' || *(S) == 'l')
997 /* Store immediate values of shift/deposit/extract functions. */
999 #define SAVE_IMMEDIATE(VALUE) \
1001 if (immediate_check) \
1005 else if (len == -1) \
1010 /* Insert FIELD into OPCODE starting at bit START. Continue pa_ip
1011 main loop after insertion. */
1013 #define INSERT_FIELD_AND_CONTINUE(OPCODE, FIELD, START) \
1015 ((OPCODE) |= (FIELD) << (START)); \
1019 /* Simple range checking for FIELD against HIGH and LOW bounds.
1020 IGNORE is used to suppress the error message. */
1022 #define CHECK_FIELD(FIELD, HIGH, LOW, IGNORE) \
1024 if ((FIELD) > (HIGH) || (FIELD) < (LOW)) \
1027 as_bad (_("Field out of range [%d..%d] (%d)."), (LOW), (HIGH), \
1033 /* Variant of CHECK_FIELD for use in md_apply_fix and other places where
1034 the current file and line number are not valid. */
1036 #define CHECK_FIELD_WHERE(FIELD, HIGH, LOW, FILENAME, LINE) \
1038 if ((FIELD) > (HIGH) || (FIELD) < (LOW)) \
1040 as_bad_where ((FILENAME), (LINE), \
1041 _("Field out of range [%d..%d] (%d)."), (LOW), (HIGH), \
1047 /* Simple alignment checking for FIELD against ALIGN (a power of two).
1048 IGNORE is used to suppress the error message. */
1050 #define CHECK_ALIGN(FIELD, ALIGN, IGNORE) \
1052 if ((FIELD) & ((ALIGN) - 1)) \
1055 as_bad (_("Field not properly aligned [%d] (%d)."), (ALIGN), \
1061 #define is_DP_relative(exp) \
1062 ((exp).X_op == O_subtract \
1063 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$global$") == 0)
1065 #define is_SB_relative(exp) \
1066 ((exp).X_op == O_subtract \
1067 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$segrel$") == 0)
1069 #define is_PC_relative(exp) \
1070 ((exp).X_op == O_subtract \
1071 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$PIC_pcrel$0") == 0)
1073 #define is_tls_gdidx(exp) \
1074 ((exp).X_op == O_subtract \
1075 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$tls_gdidx$") == 0)
1077 #define is_tls_ldidx(exp) \
1078 ((exp).X_op == O_subtract \
1079 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$tls_ldidx$") == 0)
1081 #define is_tls_dtpoff(exp) \
1082 ((exp).X_op == O_subtract \
1083 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$tls_dtpoff$") == 0)
1085 #define is_tls_ieoff(exp) \
1086 ((exp).X_op == O_subtract \
1087 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$tls_ieoff$") == 0)
1089 #define is_tls_leoff(exp) \
1090 ((exp).X_op == O_subtract \
1091 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$tls_leoff$") == 0)
1093 /* We need some complex handling for stabs (sym1 - sym2). Luckily, we'll
1094 always be able to reduce the expression to a constant, so we don't
1095 need real complex handling yet. */
1096 #define is_complex(exp) \
1097 ((exp).X_op != O_constant && (exp).X_op != O_symbol)
1099 /* Actual functions to implement the PA specific code for the assembler. */
1101 /* Called before writing the object file. Make sure entry/exit and
1102 proc/procend pairs match. */
1107 if (within_entry_exit
)
1108 as_fatal (_("Missing .exit\n"));
1110 if (within_procedure
)
1111 as_fatal (_("Missing .procend\n"));
1114 /* Returns a pointer to the label_symbol_struct for the current space.
1115 or NULL if no label_symbol_struct exists for the current space. */
1117 static label_symbol_struct
*
1120 label_symbol_struct
*label_chain
= label_symbols_rootp
;
1125 if (current_space
== label_chain
->lss_space
&& label_chain
->lss_label
)
1129 if (now_seg
== label_chain
->lss_segment
&& label_chain
->lss_label
)
1137 /* Defines a label for the current space. If one is already defined,
1138 this function will replace it with the new label. */
1141 pa_define_label (symbolS
*symbol
)
1143 label_symbol_struct
*label_chain
= label_symbols_rootp
;
1146 label_chain
= &last_label_symbol
;
1148 label_chain
->lss_label
= symbol
;
1150 label_chain
->lss_space
= current_space
;
1153 label_chain
->lss_segment
= now_seg
;
1157 label_chain
->lss_next
= NULL
;
1159 label_symbols_rootp
= label_chain
;
1162 dwarf2_emit_label (symbol
);
1166 /* Removes a label definition for the current space.
1167 If there is no label_symbol_struct entry, then no action is taken. */
1170 pa_undefine_label (void)
1172 label_symbols_rootp
= NULL
;
1175 /* An HPPA-specific version of fix_new. This is required because the HPPA
1176 code needs to keep track of some extra stuff. Each call to fix_new_hppa
1177 results in the creation of an instance of an hppa_fix_struct. An
1178 hppa_fix_struct stores the extra information along with a pointer to the
1179 original fixS. This is attached to the original fixup via the
1180 tc_fix_data field. */
1183 fix_new_hppa (fragS
*frag
,
1186 symbolS
*add_symbol
,
1190 bfd_reloc_code_real_type r_type
,
1191 enum hppa_reloc_field_selector_type_alt r_field
,
1193 unsigned int arg_reloc
,
1194 int unwind_bits ATTRIBUTE_UNUSED
)
1197 struct hppa_fix_struct
*hppa_fix
= XOBNEW (¬es
, struct hppa_fix_struct
);
1200 new_fix
= fix_new_exp (frag
, where
, size
, exp
, pcrel
, r_type
);
1202 new_fix
= fix_new (frag
, where
, size
, add_symbol
, offset
, pcrel
, r_type
);
1203 new_fix
->tc_fix_data
= (void *) hppa_fix
;
1204 hppa_fix
->fx_r_type
= r_type
;
1205 hppa_fix
->fx_r_field
= r_field
;
1206 hppa_fix
->fx_r_format
= r_format
;
1207 hppa_fix
->fx_arg_reloc
= arg_reloc
;
1208 hppa_fix
->segment
= now_seg
;
1210 if (r_type
== R_ENTRY
|| r_type
== R_EXIT
)
1211 new_fix
->fx_offset
= unwind_bits
;
1214 /* foo-$global$ is used to access non-automatic storage. $global$
1215 is really just a marker and has served its purpose, so eliminate
1216 it now so as not to confuse write.c. Ditto for $PIC_pcrel$0. */
1217 if (new_fix
->fx_subsy
1218 && (strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$global$") == 0
1219 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$segrel$") == 0
1220 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$PIC_pcrel$0") == 0
1221 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$tls_gdidx$") == 0
1222 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$tls_ldidx$") == 0
1223 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$tls_dtpoff$") == 0
1224 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$tls_ieoff$") == 0
1225 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$tls_leoff$") == 0))
1226 new_fix
->fx_subsy
= NULL
;
1229 /* This fix_new is called by cons via TC_CONS_FIX_NEW.
1230 hppa_field_selector is set by the parse_cons_expression_hppa. */
1233 cons_fix_new_hppa (fragS
*frag
, int where
, int size
, expressionS
*exp
,
1234 int hppa_field_selector
)
1236 unsigned int rel_type
;
1238 /* Get a base relocation type. */
1239 if (is_DP_relative (*exp
))
1240 rel_type
= R_HPPA_GOTOFF
;
1241 else if (is_PC_relative (*exp
))
1242 rel_type
= R_HPPA_PCREL_CALL
;
1244 else if (is_SB_relative (*exp
))
1245 rel_type
= R_PARISC_SEGREL32
;
1246 else if (is_tls_gdidx (*exp
))
1247 rel_type
= R_PARISC_TLS_GD21L
;
1248 else if (is_tls_ldidx (*exp
))
1249 rel_type
= R_PARISC_TLS_LDM21L
;
1250 else if (is_tls_dtpoff (*exp
))
1251 rel_type
= R_PARISC_TLS_LDO21L
;
1252 else if (is_tls_ieoff (*exp
))
1253 rel_type
= R_PARISC_TLS_IE21L
;
1254 else if (is_tls_leoff (*exp
))
1255 rel_type
= R_PARISC_TLS_LE21L
;
1257 else if (is_complex (*exp
))
1258 rel_type
= R_HPPA_COMPLEX
;
1262 if (hppa_field_selector
!= e_psel
&& hppa_field_selector
!= e_fsel
)
1264 as_warn (_("Invalid field selector. Assuming F%%."));
1265 hppa_field_selector
= e_fsel
;
1268 fix_new_hppa (frag
, where
, size
,
1269 (symbolS
*) NULL
, (offsetT
) 0, exp
, 0, rel_type
,
1270 hppa_field_selector
, size
* 8, 0, 0);
1273 /* Mark (via expr_end) the end of an expression (I think). FIXME. */
1276 get_expression (char *str
)
1281 save_in
= input_line_pointer
;
1282 input_line_pointer
= str
;
1283 seg
= expression (&the_insn
.exp
);
1284 if (!(seg
== absolute_section
1285 || seg
== undefined_section
1286 || SEG_NORMAL (seg
)))
1288 as_warn (_("Bad segment in expression."));
1289 expr_end
= input_line_pointer
;
1290 input_line_pointer
= save_in
;
1293 expr_end
= input_line_pointer
;
1294 input_line_pointer
= save_in
;
1297 /* Parse a PA nullification completer (,n). Return nonzero if the
1298 completer was found; return zero if no completer was found. */
1301 pa_parse_nullif (char **s
)
1309 if (strncasecmp (*s
, "n", 1) == 0)
1313 as_bad (_("Invalid Nullification: (%c)"), **s
);
1323 md_atof (int type
, char *litP
, int *sizeP
)
1325 return ieee_md_atof (type
, litP
, sizeP
, TRUE
);
1328 /* Write out big-endian. */
1331 md_number_to_chars (char *buf
, valueT val
, int n
)
1333 number_to_chars_bigendian (buf
, val
, n
);
1336 /* Translate internal representation of relocation info to BFD target
1340 tc_gen_reloc (asection
*section
, fixS
*fixp
)
1343 struct hppa_fix_struct
*hppa_fixp
;
1344 static arelent
*no_relocs
= NULL
;
1351 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
1352 if (fixp
->fx_addsy
== 0)
1355 gas_assert (hppa_fixp
!= 0);
1356 gas_assert (section
!= 0);
1358 reloc
= XNEW (arelent
);
1360 reloc
->sym_ptr_ptr
= XNEW (asymbol
*);
1361 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
1363 /* Allow fixup_segment to recognize hand-written pc-relative relocations.
1364 When we went through cons_fix_new_hppa, we classified them as complex. */
1365 /* ??? It might be better to hide this +8 stuff in tc_cfi_emit_pcrel_expr,
1366 undefine DIFF_EXPR_OK, and let these sorts of complex expressions fail
1367 when R_HPPA_COMPLEX == R_PARISC_UNIMPLEMENTED. */
1368 if (fixp
->fx_r_type
== (int) R_HPPA_COMPLEX
1371 fixp
->fx_r_type
= (int) R_HPPA_PCREL_CALL
;
1372 fixp
->fx_offset
+= 8;
1375 codes
= hppa_gen_reloc_type (stdoutput
,
1376 (int) fixp
->fx_r_type
,
1377 hppa_fixp
->fx_r_format
,
1378 hppa_fixp
->fx_r_field
,
1379 fixp
->fx_subsy
!= NULL
,
1380 symbol_get_bfdsym (fixp
->fx_addsy
));
1384 as_bad_where (fixp
->fx_file
, fixp
->fx_line
, _("Cannot handle fixup"));
1388 for (n_relocs
= 0; codes
[n_relocs
]; n_relocs
++)
1391 relocs
= XNEWVEC (arelent
*, n_relocs
+ 1);
1392 reloc
= XNEWVEC (arelent
, n_relocs
);
1393 for (i
= 0; i
< n_relocs
; i
++)
1394 relocs
[i
] = &reloc
[i
];
1396 relocs
[n_relocs
] = NULL
;
1399 switch (fixp
->fx_r_type
)
1402 gas_assert (n_relocs
== 1);
1406 /* Now, do any processing that is dependent on the relocation type. */
1409 case R_PARISC_DLTREL21L
:
1410 case R_PARISC_DLTREL14R
:
1411 case R_PARISC_DLTREL14F
:
1412 case R_PARISC_PLABEL32
:
1413 case R_PARISC_PLABEL21L
:
1414 case R_PARISC_PLABEL14R
:
1415 /* For plabel relocations, the addend of the
1416 relocation should be either 0 (no static link) or 2
1417 (static link required). This adjustment is done in
1418 bfd/elf32-hppa.c:elf32_hppa_relocate_section.
1420 We also slam a zero addend into the DLT relative relocs;
1421 it doesn't make a lot of sense to use any addend since
1422 it gets you a different (eg unknown) DLT entry. */
1426 #ifdef ELF_ARG_RELOC
1427 case R_PARISC_PCREL17R
:
1428 case R_PARISC_PCREL17F
:
1429 case R_PARISC_PCREL17C
:
1430 case R_PARISC_DIR17R
:
1431 case R_PARISC_DIR17F
:
1432 case R_PARISC_PCREL21L
:
1433 case R_PARISC_DIR21L
:
1434 reloc
->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
,
1439 case R_PARISC_DIR32
:
1440 /* Facilitate hand-crafted unwind info. */
1441 if (strcmp (section
->name
, UNWIND_SECTION_NAME
) == 0)
1442 code
= R_PARISC_SEGREL32
;
1446 reloc
->addend
= fixp
->fx_offset
;
1450 reloc
->sym_ptr_ptr
= XNEW (asymbol
*);
1451 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
1452 reloc
->howto
= bfd_reloc_type_lookup (stdoutput
,
1453 (bfd_reloc_code_real_type
) code
);
1454 reloc
->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
1456 gas_assert (reloc
->howto
&& (unsigned int) code
== reloc
->howto
->type
);
1461 /* Walk over reach relocation returned by the BFD backend. */
1462 for (i
= 0; i
< n_relocs
; i
++)
1466 relocs
[i
]->sym_ptr_ptr
= XNEW (asymbol
*);
1467 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
1469 bfd_reloc_type_lookup (stdoutput
,
1470 (bfd_reloc_code_real_type
) code
);
1471 relocs
[i
]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
1476 /* The only time we ever use a R_COMP2 fixup is for the difference
1477 of two symbols. With that in mind we fill in all four
1478 relocs now and break out of the loop. */
1479 gas_assert (i
== 1);
1480 relocs
[0]->sym_ptr_ptr
1481 = (asymbol
**) bfd_abs_section_ptr
->symbol_ptr_ptr
;
1483 = bfd_reloc_type_lookup (stdoutput
,
1484 (bfd_reloc_code_real_type
) *codes
[0]);
1485 relocs
[0]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
1486 relocs
[0]->addend
= 0;
1487 relocs
[1]->sym_ptr_ptr
= XNEW (asymbol
*);
1488 *relocs
[1]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
1490 = bfd_reloc_type_lookup (stdoutput
,
1491 (bfd_reloc_code_real_type
) *codes
[1]);
1492 relocs
[1]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
1493 relocs
[1]->addend
= 0;
1494 relocs
[2]->sym_ptr_ptr
= XNEW (asymbol
*);
1495 *relocs
[2]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_subsy
);
1497 = bfd_reloc_type_lookup (stdoutput
,
1498 (bfd_reloc_code_real_type
) *codes
[2]);
1499 relocs
[2]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
1500 relocs
[2]->addend
= 0;
1501 relocs
[3]->sym_ptr_ptr
1502 = (asymbol
**) bfd_abs_section_ptr
->symbol_ptr_ptr
;
1504 = bfd_reloc_type_lookup (stdoutput
,
1505 (bfd_reloc_code_real_type
) *codes
[3]);
1506 relocs
[3]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
1507 relocs
[3]->addend
= 0;
1508 relocs
[4]->sym_ptr_ptr
1509 = (asymbol
**) bfd_abs_section_ptr
->symbol_ptr_ptr
;
1511 = bfd_reloc_type_lookup (stdoutput
,
1512 (bfd_reloc_code_real_type
) *codes
[4]);
1513 relocs
[4]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
1514 relocs
[4]->addend
= 0;
1518 relocs
[i
]->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
, 0);
1524 /* For plabel relocations, the addend of the
1525 relocation should be either 0 (no static link) or 2
1526 (static link required).
1528 FIXME: We always assume no static link!
1530 We also slam a zero addend into the DLT relative relocs;
1531 it doesn't make a lot of sense to use any addend since
1532 it gets you a different (eg unknown) DLT entry. */
1533 relocs
[i
]->addend
= 0;
1548 /* There is no symbol or addend associated with these fixups. */
1549 relocs
[i
]->sym_ptr_ptr
= XNEW (asymbol
*);
1550 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
1551 relocs
[i
]->addend
= 0;
1557 /* There is no symbol associated with these fixups. */
1558 relocs
[i
]->sym_ptr_ptr
= XNEW (asymbol
*);
1559 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
1560 relocs
[i
]->addend
= fixp
->fx_offset
;
1564 relocs
[i
]->addend
= fixp
->fx_offset
;
1574 /* Process any machine dependent frag types. */
1577 md_convert_frag (bfd
*abfd ATTRIBUTE_UNUSED
,
1578 asection
*sec ATTRIBUTE_UNUSED
,
1581 unsigned int address
;
1583 if (fragP
->fr_type
== rs_machine_dependent
)
1585 switch ((int) fragP
->fr_subtype
)
1588 fragP
->fr_type
= rs_fill
;
1589 know (fragP
->fr_var
== 1);
1590 know (fragP
->fr_next
);
1591 address
= fragP
->fr_address
+ fragP
->fr_fix
;
1592 if (address
% fragP
->fr_offset
)
1595 fragP
->fr_next
->fr_address
1600 fragP
->fr_offset
= 0;
1606 /* Round up a section size to the appropriate boundary. */
1609 md_section_align (asection
*segment
, valueT size
)
1611 int align
= bfd_section_alignment (segment
);
1612 int align2
= (1 << align
) - 1;
1614 return (size
+ align2
) & ~align2
;
1617 /* Return the approximate size of a frag before relaxation has occurred. */
1620 md_estimate_size_before_relax (fragS
*fragP
, asection
*segment ATTRIBUTE_UNUSED
)
1626 while ((fragP
->fr_fix
+ size
) % fragP
->fr_offset
)
1633 # ifdef WARN_COMMENTS
1634 const char *md_shortopts
= "Vc";
1636 const char *md_shortopts
= "V";
1639 # ifdef WARN_COMMENTS
1640 const char *md_shortopts
= "c";
1642 const char *md_shortopts
= "";
1646 struct option md_longopts
[] =
1648 #ifdef WARN_COMMENTS
1649 {"warn-comment", no_argument
, NULL
, 'c'},
1651 {NULL
, no_argument
, NULL
, 0}
1653 size_t md_longopts_size
= sizeof (md_longopts
);
1656 md_parse_option (int c
, const char *arg ATTRIBUTE_UNUSED
)
1665 print_version_id ();
1668 #ifdef WARN_COMMENTS
1679 md_show_usage (FILE *stream ATTRIBUTE_UNUSED
)
1682 fprintf (stream
, _("\
1685 #ifdef WARN_COMMENTS
1686 fprintf (stream
, _("\
1687 -c print a warning if a comment is found\n"));
1691 /* We have no need to default values of symbols. */
1694 md_undefined_symbol (char *name ATTRIBUTE_UNUSED
)
1699 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
1700 #define nonzero_dibits(x) \
1701 ((x) | (((x) & 0x55555555) << 1) | (((x) & 0xAAAAAAAA) >> 1))
1702 #define arg_reloc_stub_needed(CALLER, CALLEE) \
1703 (((CALLER) ^ (CALLEE)) & nonzero_dibits (CALLER) & nonzero_dibits (CALLEE))
1705 #define arg_reloc_stub_needed(CALLER, CALLEE) 0
1708 /* Apply a fixup to an instruction. */
1711 md_apply_fix (fixS
*fixP
, valueT
*valP
, segT seg ATTRIBUTE_UNUSED
)
1714 struct hppa_fix_struct
*hppa_fixP
;
1718 /* SOM uses R_HPPA_ENTRY and R_HPPA_EXIT relocations which can
1719 never be "applied" (they are just markers). Likewise for
1720 R_HPPA_BEGIN_BRTAB and R_HPPA_END_BRTAB. */
1722 if (fixP
->fx_r_type
== R_HPPA_ENTRY
1723 || fixP
->fx_r_type
== R_HPPA_EXIT
1724 || fixP
->fx_r_type
== R_HPPA_BEGIN_BRTAB
1725 || fixP
->fx_r_type
== R_HPPA_END_BRTAB
1726 || fixP
->fx_r_type
== R_HPPA_BEGIN_TRY
)
1729 /* Disgusting. We must set fx_offset ourselves -- R_HPPA_END_TRY
1730 fixups are considered not adjustable, which in turn causes
1731 adjust_reloc_syms to not set fx_offset. Ugh. */
1732 if (fixP
->fx_r_type
== R_HPPA_END_TRY
)
1734 fixP
->fx_offset
= * valP
;
1739 if (fixP
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
1740 || fixP
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
)
1744 if (fixP
->fx_addsy
== NULL
&& fixP
->fx_pcrel
== 0)
1747 /* There should be a HPPA specific fixup associated with the GAS fixup. */
1748 hppa_fixP
= (struct hppa_fix_struct
*) fixP
->tc_fix_data
;
1749 if (hppa_fixP
== NULL
)
1751 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
1752 _("no hppa_fixup entry for fixup type 0x%x"),
1757 fixpos
= fixP
->fx_frag
->fr_literal
+ fixP
->fx_where
;
1759 if (fixP
->fx_size
!= 4 || hppa_fixP
->fx_r_format
== 32)
1761 /* Handle constant output. */
1762 number_to_chars_bigendian (fixpos
, *valP
, fixP
->fx_size
);
1766 insn
= bfd_get_32 (stdoutput
, fixpos
);
1767 fmt
= bfd_hppa_insn2fmt (stdoutput
, insn
);
1769 /* If there is a symbol associated with this fixup, then it's something
1770 which will need a SOM relocation (except for some PC-relative relocs).
1771 In such cases we should treat the "val" or "addend" as zero since it
1772 will be added in as needed from fx_offset in tc_gen_reloc. */
1773 if ((fixP
->fx_addsy
!= NULL
1774 || fixP
->fx_r_type
== (int) R_HPPA_NONE
)
1779 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
1781 /* These field selectors imply that we do not want an addend. */
1782 else if (hppa_fixP
->fx_r_field
== e_psel
1783 || hppa_fixP
->fx_r_field
== e_rpsel
1784 || hppa_fixP
->fx_r_field
== e_lpsel
1785 || hppa_fixP
->fx_r_field
== e_tsel
1786 || hppa_fixP
->fx_r_field
== e_rtsel
1787 || hppa_fixP
->fx_r_field
== e_ltsel
)
1788 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
1791 new_val
= hppa_field_adjust (* valP
, 0, hppa_fixP
->fx_r_field
);
1793 /* Handle pc-relative exceptions from above. */
1794 if ((fmt
== 12 || fmt
== 17 || fmt
== 22)
1797 && !arg_reloc_stub_needed (symbol_arg_reloc_info (fixP
->fx_addsy
),
1798 hppa_fixP
->fx_arg_reloc
)
1800 && (* valP
- 8 + 8192 < 16384
1801 || (fmt
== 17 && * valP
- 8 + 262144 < 524288)
1802 || (fmt
== 22 && * valP
- 8 + 8388608 < 16777216))
1805 && (* valP
- 8 + 262144 < 524288
1806 || (fmt
== 22 && * valP
- 8 + 8388608 < 16777216))
1808 && !S_IS_EXTERNAL (fixP
->fx_addsy
)
1809 && !S_IS_WEAK (fixP
->fx_addsy
)
1810 && S_GET_SEGMENT (fixP
->fx_addsy
) == hppa_fixP
->segment
1812 && S_GET_SEGMENT (fixP
->fx_subsy
) != hppa_fixP
->segment
))
1814 new_val
= hppa_field_adjust (* valP
, 0, hppa_fixP
->fx_r_field
);
1820 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
1821 fixP
->fx_file
, fixP
->fx_line
);
1824 insn
= (insn
& ~ 0x3ff1) | (((val
& 0x1ff8) << 1)
1825 | ((val
& 0x2000) >> 13));
1828 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
1829 fixP
->fx_file
, fixP
->fx_line
);
1832 insn
= (insn
& ~ 0x3ff9) | (((val
& 0x1ffc) << 1)
1833 | ((val
& 0x2000) >> 13));
1835 /* Handle all opcodes with the 'j' operand type. */
1837 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
1838 fixP
->fx_file
, fixP
->fx_line
);
1841 insn
= ((insn
& ~ 0x3fff) | low_sign_unext (val
, 14));
1844 /* Handle all opcodes with the 'k' operand type. */
1846 CHECK_FIELD_WHERE (new_val
, 1048575, -1048576,
1847 fixP
->fx_file
, fixP
->fx_line
);
1850 insn
= (insn
& ~ 0x1fffff) | re_assemble_21 (val
);
1853 /* Handle all the opcodes with the 'i' operand type. */
1855 CHECK_FIELD_WHERE (new_val
, 1023, -1024,
1856 fixP
->fx_file
, fixP
->fx_line
);
1859 insn
= (insn
& ~ 0x7ff) | low_sign_unext (val
, 11);
1862 /* Handle all the opcodes with the 'w' operand type. */
1864 CHECK_FIELD_WHERE (new_val
- 8, 8191, -8192,
1865 fixP
->fx_file
, fixP
->fx_line
);
1868 insn
= (insn
& ~ 0x1ffd) | re_assemble_12 (val
>> 2);
1871 /* Handle some of the opcodes with the 'W' operand type. */
1874 offsetT distance
= * valP
;
1876 /* If this is an absolute branch (ie no link) with an out of
1877 range target, then we want to complain. */
1878 if (fixP
->fx_r_type
== (int) R_HPPA_PCREL_CALL
1879 && (insn
& 0xffe00000) == 0xe8000000)
1880 CHECK_FIELD_WHERE (distance
- 8, 262143, -262144,
1881 fixP
->fx_file
, fixP
->fx_line
);
1883 CHECK_FIELD_WHERE (new_val
- 8, 262143, -262144,
1884 fixP
->fx_file
, fixP
->fx_line
);
1887 insn
= (insn
& ~ 0x1f1ffd) | re_assemble_17 (val
>> 2);
1893 offsetT distance
= * valP
;
1895 /* If this is an absolute branch (ie no link) with an out of
1896 range target, then we want to complain. */
1897 if (fixP
->fx_r_type
== (int) R_HPPA_PCREL_CALL
1898 && (insn
& 0xffe00000) == 0xe8000000)
1899 CHECK_FIELD_WHERE (distance
- 8, 8388607, -8388608,
1900 fixP
->fx_file
, fixP
->fx_line
);
1902 CHECK_FIELD_WHERE (new_val
- 8, 8388607, -8388608,
1903 fixP
->fx_file
, fixP
->fx_line
);
1906 insn
= (insn
& ~ 0x3ff1ffd) | re_assemble_22 (val
>> 2);
1912 insn
= (insn
& ~ 0xfff1) | re_assemble_16 (val
& -8);
1917 insn
= (insn
& ~ 0xfff9) | re_assemble_16 (val
& -4);
1922 insn
= (insn
& ~ 0xffff) | re_assemble_16 (val
);
1930 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
1931 _("Unknown relocation encountered in md_apply_fix."));
1936 switch (fixP
->fx_r_type
)
1938 case R_PARISC_TLS_GD21L
:
1939 case R_PARISC_TLS_GD14R
:
1940 case R_PARISC_TLS_LDM21L
:
1941 case R_PARISC_TLS_LDM14R
:
1942 case R_PARISC_TLS_LE21L
:
1943 case R_PARISC_TLS_LE14R
:
1944 case R_PARISC_TLS_IE21L
:
1945 case R_PARISC_TLS_IE14R
:
1947 S_SET_THREAD_LOCAL (fixP
->fx_addsy
);
1954 /* Insert the relocation. */
1955 bfd_put_32 (stdoutput
, insn
, fixpos
);
1958 /* Exactly what point is a PC-relative offset relative TO?
1959 On the PA, they're relative to the address of the offset. */
1962 md_pcrel_from (fixS
*fixP
)
1964 return fixP
->fx_where
+ fixP
->fx_frag
->fr_address
;
1967 /* Return nonzero if the input line pointer is at the end of
1971 is_end_of_statement (void)
1973 return ((*input_line_pointer
== '\n')
1974 || (*input_line_pointer
== ';')
1975 || (*input_line_pointer
== '!'));
1978 #define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct pd_reg))
1980 /* Given NAME, find the register number associated with that name, return
1981 the integer value associated with the given name or -1 on failure. */
1984 reg_name_search (char *name
)
1986 int middle
, low
, high
;
1990 high
= REG_NAME_CNT
- 1;
1994 middle
= (low
+ high
) / 2;
1995 cmp
= strcasecmp (name
, pre_defined_registers
[middle
].name
);
2001 return pre_defined_registers
[middle
].value
;
2003 while (low
<= high
);
2008 /* Read a number from S. The number might come in one of many forms,
2009 the most common will be a hex or decimal constant, but it could be
2010 a pre-defined register (Yuk!), or an absolute symbol.
2012 Return 1 on success or 0 on failure. If STRICT, then a missing
2013 register prefix will cause a failure. The number itself is
2014 returned in `pa_number'.
2016 IS_FLOAT indicates that a PA-89 FP register number should be
2017 parsed; A `l' or `r' suffix is checked for if but 2 of IS_FLOAT is
2020 pa_parse_number can not handle negative constants and will fail
2021 horribly if it is passed such a constant. */
2024 pa_parse_number (char **s
, int is_float
)
2032 bfd_boolean have_prefix
;
2034 /* Skip whitespace before the number. */
2035 while (*p
== ' ' || *p
== '\t')
2041 if (!strict
&& ISDIGIT (*p
))
2043 /* Looks like a number. */
2045 if (*p
== '0' && (*(p
+ 1) == 'x' || *(p
+ 1) == 'X'))
2047 /* The number is specified in hex. */
2049 while (ISDIGIT (*p
) || ((*p
>= 'a') && (*p
<= 'f'))
2050 || ((*p
>= 'A') && (*p
<= 'F')))
2053 num
= num
* 16 + *p
- '0';
2054 else if (*p
>= 'a' && *p
<= 'f')
2055 num
= num
* 16 + *p
- 'a' + 10;
2057 num
= num
* 16 + *p
- 'A' + 10;
2063 /* The number is specified in decimal. */
2064 while (ISDIGIT (*p
))
2066 num
= num
* 10 + *p
- '0';
2073 /* Check for a `l' or `r' suffix. */
2076 pa_number
+= FP_REG_BASE
;
2077 if (! (is_float
& 2))
2079 if (IS_R_SELECT (p
))
2081 pa_number
+= FP_REG_RSEL
;
2084 else if (IS_L_SELECT (p
))
2093 /* The number might be a predefined register. */
2098 /* Tege hack: Special case for general registers as the general
2099 code makes a binary search with case translation, and is VERY
2104 if (*p
== 'e' && *(p
+ 1) == 't'
2105 && (*(p
+ 2) == '0' || *(p
+ 2) == '1'))
2108 num
= *p
- '0' + 28;
2116 else if (!ISDIGIT (*p
))
2119 as_bad (_("Undefined register: '%s'."), name
);
2125 num
= num
* 10 + *p
++ - '0';
2126 while (ISDIGIT (*p
));
2131 /* Do a normal register search. */
2132 while (is_part_of_name (c
))
2138 status
= reg_name_search (name
);
2144 as_bad (_("Undefined register: '%s'."), name
);
2154 /* And finally, it could be a symbol in the absolute section which
2155 is effectively a constant, or a register alias symbol. */
2158 while (is_part_of_name (c
))
2164 if ((sym
= symbol_find (name
)) != NULL
)
2166 if (S_GET_SEGMENT (sym
) == reg_section
)
2168 num
= S_GET_VALUE (sym
);
2169 /* Well, we don't really have one, but we do have a
2173 else if (S_GET_SEGMENT (sym
) == bfd_abs_section_ptr
)
2174 num
= S_GET_VALUE (sym
);
2178 as_bad (_("Non-absolute symbol: '%s'."), name
);
2184 /* There is where we'd come for an undefined symbol
2185 or for an empty string. For an empty string we
2186 will return zero. That's a concession made for
2187 compatibility with the braindamaged HP assemblers. */
2193 as_bad (_("Undefined absolute constant: '%s'."), name
);
2202 if (!strict
|| have_prefix
)
2210 /* Return nonzero if the given INSN and L/R information will require
2211 a new PA-1.1 opcode. */
2214 need_pa11_opcode (void)
2216 if ((pa_number
& FP_REG_RSEL
) != 0
2217 && !(the_insn
.fpof1
== DBL
&& the_insn
.fpof2
== DBL
))
2219 /* If this instruction is specific to a particular architecture,
2220 then set a new architecture. */
2221 if (bfd_get_mach (stdoutput
) < pa11
)
2223 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, pa11
))
2224 as_warn (_("could not update architecture and machine"));
2232 /* Parse a condition for a fcmp instruction. Return the numerical
2233 code associated with the condition. */
2236 pa_parse_fp_cmp_cond (char **s
)
2242 for (i
= 0; i
< 32; i
++)
2244 if (strncasecmp (*s
, fp_cond_map
[i
].string
,
2245 strlen (fp_cond_map
[i
].string
)) == 0)
2247 cond
= fp_cond_map
[i
].cond
;
2248 *s
+= strlen (fp_cond_map
[i
].string
);
2249 /* If not a complete match, back up the input string and
2251 if (**s
!= ' ' && **s
!= '\t')
2253 *s
-= strlen (fp_cond_map
[i
].string
);
2256 while (**s
== ' ' || **s
== '\t')
2262 as_bad (_("Invalid FP Compare Condition: %s"), *s
);
2264 /* Advance over the bogus completer. */
2265 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2271 /* Parse a graphics test complete for ftest. */
2274 pa_parse_ftest_gfx_completer (char **s
)
2279 if (strncasecmp (*s
, "acc8", 4) == 0)
2284 else if (strncasecmp (*s
, "acc6", 4) == 0)
2289 else if (strncasecmp (*s
, "acc4", 4) == 0)
2294 else if (strncasecmp (*s
, "acc2", 4) == 0)
2299 else if (strncasecmp (*s
, "acc", 3) == 0)
2304 else if (strncasecmp (*s
, "rej8", 4) == 0)
2309 else if (strncasecmp (*s
, "rej", 3) == 0)
2317 as_bad (_("Invalid FTEST completer: %s"), *s
);
2323 /* Parse an FP operand format completer returning the completer
2326 static fp_operand_format
2327 pa_parse_fp_cnv_format (char **s
)
2335 if (strncasecmp (*s
, "sgl", 3) == 0)
2340 else if (strncasecmp (*s
, "dbl", 3) == 0)
2345 else if (strncasecmp (*s
, "quad", 4) == 0)
2350 else if (strncasecmp (*s
, "w", 1) == 0)
2355 else if (strncasecmp (*s
, "uw", 2) == 0)
2360 else if (strncasecmp (*s
, "dw", 2) == 0)
2365 else if (strncasecmp (*s
, "udw", 3) == 0)
2370 else if (strncasecmp (*s
, "qw", 2) == 0)
2375 else if (strncasecmp (*s
, "uqw", 3) == 0)
2382 format
= ILLEGAL_FMT
;
2383 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
2390 /* Parse an FP operand format completer returning the completer
2393 static fp_operand_format
2394 pa_parse_fp_format (char **s
)
2402 if (strncasecmp (*s
, "sgl", 3) == 0)
2407 else if (strncasecmp (*s
, "dbl", 3) == 0)
2412 else if (strncasecmp (*s
, "quad", 4) == 0)
2419 format
= ILLEGAL_FMT
;
2420 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
2427 /* Convert from a selector string into a selector type. */
2430 pa_chk_field_selector (char **str
)
2432 int middle
, low
, high
;
2436 /* Read past any whitespace. */
2437 /* FIXME: should we read past newlines and formfeeds??? */
2438 while (**str
== ' ' || **str
== '\t' || **str
== '\n' || **str
== '\f')
2441 if ((*str
)[1] == '\'' || (*str
)[1] == '%')
2442 name
[0] = TOLOWER ((*str
)[0]),
2444 else if ((*str
)[2] == '\'' || (*str
)[2] == '%')
2445 name
[0] = TOLOWER ((*str
)[0]),
2446 name
[1] = TOLOWER ((*str
)[1]),
2448 else if ((*str
)[3] == '\'' || (*str
)[3] == '%')
2449 name
[0] = TOLOWER ((*str
)[0]),
2450 name
[1] = TOLOWER ((*str
)[1]),
2451 name
[2] = TOLOWER ((*str
)[2]),
2457 high
= sizeof (selector_table
) / sizeof (struct selector_entry
) - 1;
2461 middle
= (low
+ high
) / 2;
2462 cmp
= strcmp (name
, selector_table
[middle
].prefix
);
2469 *str
+= strlen (name
) + 1;
2471 if (selector_table
[middle
].field_selector
== e_nsel
)
2474 return selector_table
[middle
].field_selector
;
2477 while (low
<= high
);
2482 /* Parse a .byte, .word, .long expression for the HPPA. Called by
2483 cons via the TC_PARSE_CONS_EXPRESSION macro. */
2486 parse_cons_expression_hppa (expressionS
*exp
)
2488 int hppa_field_selector
= pa_chk_field_selector (&input_line_pointer
);
2490 return hppa_field_selector
;
2493 /* Evaluate an absolute expression EXP which may be modified by
2494 the selector FIELD_SELECTOR. Return the value of the expression. */
2496 evaluate_absolute (struct pa_it
*insn
)
2500 int field_selector
= insn
->field_selector
;
2503 value
= exp
.X_add_number
;
2505 return hppa_field_adjust (0, value
, field_selector
);
2508 /* Mark (via expr_end) the end of an absolute expression. FIXME. */
2511 pa_get_absolute_expression (struct pa_it
*insn
, char **strp
)
2515 insn
->field_selector
= pa_chk_field_selector (strp
);
2516 save_in
= input_line_pointer
;
2517 input_line_pointer
= *strp
;
2518 expression (&insn
->exp
);
2519 expr_end
= input_line_pointer
;
2520 input_line_pointer
= save_in
;
2521 if (insn
->exp
.X_op
!= O_constant
)
2523 /* We have a non-match in strict mode. */
2525 as_bad (_("Bad segment (should be absolute)."));
2528 return evaluate_absolute (insn
);
2531 /* Get an absolute number. The input string is terminated at the
2532 first whitespace character. */
2535 pa_get_number (struct pa_it
*insn
, char **strp
)
2541 save_in
= input_line_pointer
;
2542 input_line_pointer
= *strp
;
2544 /* The PA assembly syntax is ambiguous in a variety of ways. Consider
2545 this string "4 %r5" Is that the number 4 followed by the register
2546 r5, or is that 4 MOD r5? This situation occurs for example in the
2547 coprocessor load and store instructions. Previously, calling
2548 pa_get_absolute_expression directly results in r5 being entered
2549 in the symbol table.
2551 So, when looking for an absolute number, we cut off the input string
2552 at the first whitespace character. Thus, expressions should generally
2553 contain no whitespace. */
2556 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2562 result
= pa_get_absolute_expression (insn
, strp
);
2564 input_line_pointer
= save_in
;
2569 /* Given an argument location specification return the associated
2570 argument location number. */
2573 pa_build_arg_reloc (char *type_name
)
2576 if (strncasecmp (type_name
, "no", 2) == 0)
2578 if (strncasecmp (type_name
, "gr", 2) == 0)
2580 else if (strncasecmp (type_name
, "fr", 2) == 0)
2582 else if (strncasecmp (type_name
, "fu", 2) == 0)
2585 as_bad (_("Invalid argument location: %s\n"), type_name
);
2590 /* Encode and return an argument relocation specification for
2591 the given register in the location specified by arg_reloc. */
2594 pa_align_arg_reloc (unsigned int reg
, unsigned int arg_reloc
)
2596 unsigned int new_reloc
;
2598 new_reloc
= arg_reloc
;
2614 as_bad (_("Invalid argument description: %d"), reg
);
2620 /* Parse a non-negated compare/subtract completer returning the
2621 number (for encoding in instructions) of the given completer. */
2624 pa_parse_nonneg_cmpsub_cmpltr (char **s
)
2627 char *name
= *s
+ 1;
2636 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2641 if (strcmp (name
, "=") == 0)
2645 else if (strcmp (name
, "<") == 0)
2649 else if (strcmp (name
, "<=") == 0)
2653 else if (strcmp (name
, "<<") == 0)
2657 else if (strcmp (name
, "<<=") == 0)
2661 else if (strcasecmp (name
, "sv") == 0)
2665 else if (strcasecmp (name
, "od") == 0)
2669 /* If we have something like addb,n then there is no condition
2671 else if (strcasecmp (name
, "n") == 0)
2683 /* Reset pointers if this was really a ,n for a branch instruction. */
2690 /* Parse a negated compare/subtract completer returning the
2691 number (for encoding in instructions) of the given completer. */
2694 pa_parse_neg_cmpsub_cmpltr (char **s
)
2697 char *name
= *s
+ 1;
2706 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2711 if (strcasecmp (name
, "tr") == 0)
2715 else if (strcmp (name
, "<>") == 0)
2719 else if (strcmp (name
, ">=") == 0)
2723 else if (strcmp (name
, ">") == 0)
2727 else if (strcmp (name
, ">>=") == 0)
2731 else if (strcmp (name
, ">>") == 0)
2735 else if (strcasecmp (name
, "nsv") == 0)
2739 else if (strcasecmp (name
, "ev") == 0)
2743 /* If we have something like addb,n then there is no condition
2745 else if (strcasecmp (name
, "n") == 0)
2757 /* Reset pointers if this was really a ,n for a branch instruction. */
2764 /* Parse a 64 bit compare and branch completer returning the number (for
2765 encoding in instructions) of the given completer.
2767 Nonnegated comparisons are returned as 0-7, negated comparisons are
2768 returned as 8-15. */
2771 pa_parse_cmpb_64_cmpltr (char **s
)
2774 char *name
= *s
+ 1;
2781 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2786 if (strcmp (name
, "*") == 0)
2790 else if (strcmp (name
, "*=") == 0)
2794 else if (strcmp (name
, "*<") == 0)
2798 else if (strcmp (name
, "*<=") == 0)
2802 else if (strcmp (name
, "*<<") == 0)
2806 else if (strcmp (name
, "*<<=") == 0)
2810 else if (strcasecmp (name
, "*sv") == 0)
2814 else if (strcasecmp (name
, "*od") == 0)
2818 else if (strcasecmp (name
, "*tr") == 0)
2822 else if (strcmp (name
, "*<>") == 0)
2826 else if (strcmp (name
, "*>=") == 0)
2830 else if (strcmp (name
, "*>") == 0)
2834 else if (strcmp (name
, "*>>=") == 0)
2838 else if (strcmp (name
, "*>>") == 0)
2842 else if (strcasecmp (name
, "*nsv") == 0)
2846 else if (strcasecmp (name
, "*ev") == 0)
2860 /* Parse a 64 bit compare immediate and branch completer returning the number
2861 (for encoding in instructions) of the given completer. */
2864 pa_parse_cmpib_64_cmpltr (char **s
)
2867 char *name
= *s
+ 1;
2874 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2879 if (strcmp (name
, "*<<") == 0)
2883 else if (strcmp (name
, "*=") == 0)
2887 else if (strcmp (name
, "*<") == 0)
2891 else if (strcmp (name
, "*<=") == 0)
2895 else if (strcmp (name
, "*>>=") == 0)
2899 else if (strcmp (name
, "*<>") == 0)
2903 else if (strcasecmp (name
, "*>=") == 0)
2907 else if (strcasecmp (name
, "*>") == 0)
2921 /* Parse a non-negated addition completer returning the number
2922 (for encoding in instructions) of the given completer. */
2925 pa_parse_nonneg_add_cmpltr (char **s
)
2928 char *name
= *s
+ 1;
2937 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2941 if (strcmp (name
, "=") == 0)
2945 else if (strcmp (name
, "<") == 0)
2949 else if (strcmp (name
, "<=") == 0)
2953 else if (strcasecmp (name
, "nuv") == 0)
2957 else if (strcasecmp (name
, "znv") == 0)
2961 else if (strcasecmp (name
, "sv") == 0)
2965 else if (strcasecmp (name
, "od") == 0)
2969 /* If we have something like addb,n then there is no condition
2971 else if (strcasecmp (name
, "n") == 0)
2983 /* Reset pointers if this was really a ,n for a branch instruction. */
2990 /* Parse a negated addition completer returning the number
2991 (for encoding in instructions) of the given completer. */
2994 pa_parse_neg_add_cmpltr (char **s
)
2997 char *name
= *s
+ 1;
3006 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
3010 if (strcasecmp (name
, "tr") == 0)
3014 else if (strcmp (name
, "<>") == 0)
3018 else if (strcmp (name
, ">=") == 0)
3022 else if (strcmp (name
, ">") == 0)
3026 else if (strcasecmp (name
, "uv") == 0)
3030 else if (strcasecmp (name
, "vnz") == 0)
3034 else if (strcasecmp (name
, "nsv") == 0)
3038 else if (strcasecmp (name
, "ev") == 0)
3042 /* If we have something like addb,n then there is no condition
3044 else if (strcasecmp (name
, "n") == 0)
3056 /* Reset pointers if this was really a ,n for a branch instruction. */
3063 /* Parse a 64 bit wide mode add and branch completer returning the number (for
3064 encoding in instructions) of the given completer. */
3067 pa_parse_addb_64_cmpltr (char **s
)
3070 char *name
= *s
+ 1;
3079 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
3083 if (strcmp (name
, "=") == 0)
3087 else if (strcmp (name
, "<") == 0)
3091 else if (strcmp (name
, "<=") == 0)
3095 else if (strcasecmp (name
, "nuv") == 0)
3099 else if (strcasecmp (name
, "*=") == 0)
3103 else if (strcasecmp (name
, "*<") == 0)
3107 else if (strcasecmp (name
, "*<=") == 0)
3111 else if (strcmp (name
, "tr") == 0)
3115 else if (strcmp (name
, "<>") == 0)
3119 else if (strcmp (name
, ">=") == 0)
3123 else if (strcmp (name
, ">") == 0)
3127 else if (strcasecmp (name
, "uv") == 0)
3131 else if (strcasecmp (name
, "*<>") == 0)
3135 else if (strcasecmp (name
, "*>=") == 0)
3139 else if (strcasecmp (name
, "*>") == 0)
3143 /* If we have something like addb,n then there is no condition
3145 else if (strcasecmp (name
, "n") == 0)
3157 /* Reset pointers if this was really a ,n for a branch instruction. */
3164 /* Do the real work for assembling a single instruction. Store results
3165 into the global "the_insn" variable. */
3170 const char *error_message
= "";
3171 char *s
, c
, *argstart
, *name
, *save_s
;
3175 int cmpltr
, nullif
, flag
, cond
, need_cond
, num
;
3176 int immediate_check
= 0, pos
= -1, len
= -1;
3177 unsigned long opcode
;
3178 struct pa_opcode
*insn
;
3181 /* We must have a valid space and subspace. */
3182 pa_check_current_space_and_subspace ();
3185 /* Convert everything up to the first whitespace character into lower
3187 for (s
= str
; *s
!= ' ' && *s
!= '\t' && *s
!= '\n' && *s
!= '\0'; s
++)
3190 /* Skip to something interesting. */
3192 ISUPPER (*s
) || ISLOWER (*s
) || (*s
>= '0' && *s
<= '3');
3212 as_bad (_("Unknown opcode: `%s'"), str
);
3216 /* Look up the opcode in the hash table. */
3217 if ((insn
= (struct pa_opcode
*) str_hash_find (op_hash
, str
)) == NULL
)
3219 as_bad (_("Unknown opcode: `%s'"), str
);
3226 /* Mark the location where arguments for the instruction start, then
3227 start processing them. */
3231 /* Do some initialization. */
3232 opcode
= insn
->match
;
3233 strict
= (insn
->flags
& FLAG_STRICT
);
3234 memset (&the_insn
, 0, sizeof (the_insn
));
3237 the_insn
.reloc
= R_HPPA_NONE
;
3239 if (insn
->arch
>= pa20
3240 && bfd_get_mach (stdoutput
) < insn
->arch
)
3243 /* Build the opcode, checking as we go to make
3244 sure that the operands match. */
3245 for (args
= insn
->args
;; ++args
)
3247 /* Absorb white space in instruction. */
3248 while (*s
== ' ' || *s
== '\t')
3253 /* End of arguments. */
3269 /* These must match exactly. */
3278 /* Handle a 5 bit register or control register field at 10. */
3281 if (!pa_parse_number (&s
, 0))
3284 CHECK_FIELD (num
, 31, 0, 0);
3285 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3287 /* Handle %sar or %cr11. No bits get set, we just verify that it
3290 /* Skip whitespace before register. */
3291 while (*s
== ' ' || *s
== '\t')
3294 if (!strncasecmp (s
, "%sar", 4))
3299 else if (!strncasecmp (s
, "%cr11", 5))
3306 /* Handle a 5 bit register field at 15. */
3308 if (!pa_parse_number (&s
, 0))
3311 CHECK_FIELD (num
, 31, 0, 0);
3312 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3314 /* Handle a 5 bit register field at 31. */
3316 if (!pa_parse_number (&s
, 0))
3319 CHECK_FIELD (num
, 31, 0, 0);
3320 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3322 /* Handle a 5 bit register field at 10 and 15. */
3324 if (!pa_parse_number (&s
, 0))
3327 CHECK_FIELD (num
, 31, 0, 0);
3328 opcode
|= num
<< 16;
3329 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3331 /* Handle a 5 bit field length at 31. */
3333 num
= pa_get_absolute_expression (&the_insn
, &s
);
3334 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3337 CHECK_FIELD (num
, 32, 1, 0);
3338 SAVE_IMMEDIATE(num
);
3339 INSERT_FIELD_AND_CONTINUE (opcode
, 32 - num
, 0);
3341 /* Handle a 5 bit immediate at 15. */
3343 num
= pa_get_absolute_expression (&the_insn
, &s
);
3344 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3347 /* When in strict mode, we want to just reject this
3348 match instead of giving an out of range error. */
3349 CHECK_FIELD (num
, 15, -16, strict
);
3350 num
= low_sign_unext (num
, 5);
3351 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3353 /* Handle a 5 bit immediate at 31. */
3355 num
= pa_get_absolute_expression (&the_insn
, &s
);
3356 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3359 /* When in strict mode, we want to just reject this
3360 match instead of giving an out of range error. */
3361 CHECK_FIELD (num
, 15, -16, strict
);
3362 num
= low_sign_unext (num
, 5);
3363 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3365 /* Handle an unsigned 5 bit immediate at 31. */
3367 num
= pa_get_absolute_expression (&the_insn
, &s
);
3368 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3371 CHECK_FIELD (num
, 31, 0, strict
);
3372 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3374 /* Handle an unsigned 5 bit immediate at 15. */
3376 num
= pa_get_absolute_expression (&the_insn
, &s
);
3377 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3380 CHECK_FIELD (num
, 31, 0, strict
);
3381 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3383 /* Handle an unsigned 10 bit immediate at 15. */
3385 num
= pa_get_absolute_expression (&the_insn
, &s
);
3386 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3389 CHECK_FIELD (num
, 1023, 0, strict
);
3390 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3392 /* Handle a 2 bit space identifier at 17. */
3394 if (!pa_parse_number (&s
, 0))
3397 CHECK_FIELD (num
, 3, 0, 1);
3398 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 14);
3400 /* Handle a 3 bit space identifier at 18. */
3402 if (!pa_parse_number (&s
, 0))
3405 CHECK_FIELD (num
, 7, 0, 1);
3406 opcode
|= re_assemble_3 (num
);
3409 /* Handle all completers. */
3414 /* Handle a completer for an indexing load or store. */
3421 while (*s
== ',' && i
< 2)
3424 if (strncasecmp (s
, "sm", 2) == 0)
3431 else if (strncasecmp (s
, "m", 1) == 0)
3433 else if ((strncasecmp (s
, "s ", 2) == 0)
3434 || (strncasecmp (s
, "s,", 2) == 0))
3438 /* This is a match failure. */
3443 as_bad (_("Invalid Indexed Load Completer."));
3448 as_bad (_("Invalid Indexed Load Completer Syntax."));
3450 INSERT_FIELD_AND_CONTINUE (opcode
, uu
, 13);
3453 /* Handle a short load/store completer. */
3465 if (strncasecmp (s
, "ma", 2) == 0)
3471 else if (strncasecmp (s
, "mb", 2) == 0)
3478 /* This is a match failure. */
3482 as_bad (_("Invalid Short Load/Store Completer."));
3486 /* If we did not get a ma/mb completer, then we do not
3487 consider this a positive match for 'ce'. */
3488 else if (*args
== 'e')
3491 /* 'J', 'm', 'M' and 'q' are the same, except for where they
3492 encode the before/after field. */
3493 if (*args
== 'm' || *args
== 'M')
3496 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
3498 else if (*args
== 'q')
3501 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
3503 else if (*args
== 'J')
3505 /* M bit is explicit in the major opcode. */
3506 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
3510 gas_assert (*args
== 'e');
3511 /* Stash the ma/mb flag temporarily in the
3512 instruction. We will use (and remove it)
3513 later when handling 'J', 'K', '<' & '>'. */
3519 /* Handle a stbys completer. */
3526 while (*s
== ',' && i
< 2)
3529 if (strncasecmp (s
, "m", 1) == 0)
3531 else if ((strncasecmp (s
, "b ", 2) == 0)
3532 || (strncasecmp (s
, "b,", 2) == 0))
3534 else if (strncasecmp (s
, "e", 1) == 0)
3536 /* In strict mode, this is a match failure. */
3543 as_bad (_("Invalid Store Bytes Short Completer"));
3548 as_bad (_("Invalid Store Bytes Short Completer"));
3550 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
3553 /* Handle load cache hint completer. */
3556 if (!strncmp (s
, ",sl", 3))
3561 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
3563 /* Handle store cache hint completer. */
3566 if (!strncmp (s
, ",sl", 3))
3571 else if (!strncmp (s
, ",bc", 3))
3576 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
3578 /* Handle load and clear cache hint completer. */
3581 if (!strncmp (s
, ",co", 3))
3586 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
3588 /* Handle load ordering completer. */
3590 if (strncmp (s
, ",o", 2) != 0)
3595 /* Handle a branch gate completer. */
3597 if (strncasecmp (s
, ",gate", 5) != 0)
3602 /* Handle a branch link and push completer. */
3604 if (strncasecmp (s
, ",l,push", 7) != 0)
3609 /* Handle a branch link completer. */
3611 if (strncasecmp (s
, ",l", 2) != 0)
3616 /* Handle a branch pop completer. */
3618 if (strncasecmp (s
, ",pop", 4) != 0)
3623 /* Handle a local processor completer. */
3625 if (strncasecmp (s
, ",l", 2) != 0)
3630 /* Handle a PROBE read/write completer. */
3633 if (!strncasecmp (s
, ",w", 2))
3638 else if (!strncasecmp (s
, ",r", 2))
3644 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
3646 /* Handle MFCTL wide completer. */
3648 if (strncasecmp (s
, ",w", 2) != 0)
3653 /* Handle an RFI restore completer. */
3656 if (!strncasecmp (s
, ",r", 2))
3662 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
3664 /* Handle a system control completer. */
3666 if (*s
== ',' && (*(s
+ 1) == 'm' || *(s
+ 1) == 'M'))
3674 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
3676 /* Handle intermediate/final completer for DCOR. */
3679 if (!strncasecmp (s
, ",i", 2))
3685 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
3687 /* Handle zero/sign extension completer. */
3690 if (!strncasecmp (s
, ",z", 2))
3696 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
3698 /* Handle add completer. */
3701 if (!strncasecmp (s
, ",l", 2))
3706 else if (!strncasecmp (s
, ",tsv", 4))
3712 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
3714 /* Handle 64 bit carry for ADD. */
3717 if (!strncasecmp (s
, ",dc,tsv", 7) ||
3718 !strncasecmp (s
, ",tsv,dc", 7))
3723 else if (!strncasecmp (s
, ",dc", 3))
3731 /* Condition is not required with "dc". */
3733 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3735 /* Handle 32 bit carry for ADD. */
3738 if (!strncasecmp (s
, ",c,tsv", 6) ||
3739 !strncasecmp (s
, ",tsv,c", 6))
3744 else if (!strncasecmp (s
, ",c", 2))
3752 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3754 /* Handle trap on signed overflow. */
3757 if (!strncasecmp (s
, ",tsv", 4))
3763 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3765 /* Handle trap on condition and overflow. */
3768 if (!strncasecmp (s
, ",tc,tsv", 7) ||
3769 !strncasecmp (s
, ",tsv,tc", 7))
3774 else if (!strncasecmp (s
, ",tc", 3))
3782 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3784 /* Handle 64 bit borrow for SUB. */
3787 if (!strncasecmp (s
, ",db,tsv", 7) ||
3788 !strncasecmp (s
, ",tsv,db", 7))
3793 else if (!strncasecmp (s
, ",db", 3))
3801 /* Condition is not required with "db". */
3803 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3805 /* Handle 32 bit borrow for SUB. */
3808 if (!strncasecmp (s
, ",b,tsv", 6) ||
3809 !strncasecmp (s
, ",tsv,b", 6))
3814 else if (!strncasecmp (s
, ",b", 2))
3822 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3824 /* Handle trap condition completer for UADDCM. */
3827 if (!strncasecmp (s
, ",tc", 3))
3833 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
3835 /* Handle signed/unsigned at 21. */
3839 if (strncasecmp (s
, ",s", 2) == 0)
3844 else if (strncasecmp (s
, ",u", 2) == 0)
3850 INSERT_FIELD_AND_CONTINUE (opcode
, sign
, 10);
3853 /* Handle left/right combination at 17:18. */
3863 as_bad (_("Invalid left/right combination completer"));
3866 INSERT_FIELD_AND_CONTINUE (opcode
, lr
, 13);
3869 as_bad (_("Invalid left/right combination completer"));
3872 /* Handle saturation at 24:25. */
3876 if (strncasecmp (s
, ",ss", 3) == 0)
3881 else if (strncasecmp (s
, ",us", 3) == 0)
3887 INSERT_FIELD_AND_CONTINUE (opcode
, sat
, 6);
3890 /* Handle permutation completer. */
3918 as_bad (_("Invalid permutation completer"));
3920 opcode
|= perm
<< permloc
[i
];
3925 as_bad (_("Invalid permutation completer"));
3933 /* Handle all conditions. */
3939 /* Handle FP compare conditions. */
3941 cond
= pa_parse_fp_cmp_cond (&s
);
3942 INSERT_FIELD_AND_CONTINUE (opcode
, cond
, 0);
3944 /* Handle an add condition. */
3953 /* 64 bit conditions. */
3965 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
3969 if (strcmp (name
, "=") == 0)
3971 else if (strcmp (name
, "<") == 0)
3973 else if (strcmp (name
, "<=") == 0)
3975 else if (strcasecmp (name
, "nuv") == 0)
3977 else if (strcasecmp (name
, "znv") == 0)
3979 else if (strcasecmp (name
, "sv") == 0)
3981 else if (strcasecmp (name
, "od") == 0)
3983 else if (strcasecmp (name
, "tr") == 0)
3988 else if (strcmp (name
, "<>") == 0)
3993 else if (strcmp (name
, ">=") == 0)
3998 else if (strcmp (name
, ">") == 0)
4003 else if (strcasecmp (name
, "uv") == 0)
4008 else if (strcasecmp (name
, "vnz") == 0)
4013 else if (strcasecmp (name
, "nsv") == 0)
4018 else if (strcasecmp (name
, "ev") == 0)
4023 /* ",*" is a valid condition. */
4024 else if (*args
== 'a' || *name
)
4025 as_bad (_("Invalid Add Condition: %s"), name
);
4028 /* Except with "dc", we have a match failure with
4029 'A' if we don't have a doubleword condition. */
4030 else if (*args
== 'A' && need_cond
)
4033 opcode
|= cmpltr
<< 13;
4034 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
4036 /* Handle non-negated add and branch condition. */
4038 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
4041 as_bad (_("Invalid Add and Branch Condition"));
4044 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4046 /* Handle 64 bit wide-mode add and branch condition. */
4048 cmpltr
= pa_parse_addb_64_cmpltr (&s
);
4051 as_bad (_("Invalid Add and Branch Condition"));
4056 /* Negated condition requires an opcode change. */
4057 opcode
|= (cmpltr
& 8) << 24;
4059 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
4061 /* Handle a negated or non-negated add and branch
4065 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
4069 cmpltr
= pa_parse_neg_add_cmpltr (&s
);
4072 as_bad (_("Invalid Compare/Subtract Condition"));
4077 /* Negated condition requires an opcode change. */
4081 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4083 /* Handle branch on bit conditions. */
4101 if (strncmp (s
, "<", 1) == 0)
4106 else if (strncmp (s
, ">=", 2) == 0)
4112 as_bad (_("Invalid Branch On Bit Condition: %c"), *s
);
4115 as_bad (_("Missing Branch On Bit Condition"));
4117 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 15);
4119 /* Handle a compare/subtract condition. */
4128 /* 64 bit conditions. */
4140 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
4144 if (strcmp (name
, "=") == 0)
4146 else if (strcmp (name
, "<") == 0)
4148 else if (strcmp (name
, "<=") == 0)
4150 else if (strcasecmp (name
, "<<") == 0)
4152 else if (strcasecmp (name
, "<<=") == 0)
4154 else if (strcasecmp (name
, "sv") == 0)
4156 else if (strcasecmp (name
, "od") == 0)
4158 else if (strcasecmp (name
, "tr") == 0)
4163 else if (strcmp (name
, "<>") == 0)
4168 else if (strcmp (name
, ">=") == 0)
4173 else if (strcmp (name
, ">") == 0)
4178 else if (strcasecmp (name
, ">>=") == 0)
4183 else if (strcasecmp (name
, ">>") == 0)
4188 else if (strcasecmp (name
, "nsv") == 0)
4193 else if (strcasecmp (name
, "ev") == 0)
4198 /* ",*" is a valid condition. */
4199 else if (*args
!= 'S' || *name
)
4200 as_bad (_("Invalid Compare/Subtract Condition: %s"),
4204 /* Except with "db", we have a match failure with
4205 'S' if we don't have a doubleword condition. */
4206 else if (*args
== 'S' && need_cond
)
4209 opcode
|= cmpltr
<< 13;
4210 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
4212 /* Handle a non-negated compare condition. */
4214 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
4217 as_bad (_("Invalid Compare/Subtract Condition"));
4220 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4222 /* Handle a 32 bit compare and branch condition. */
4225 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
4229 cmpltr
= pa_parse_neg_cmpsub_cmpltr (&s
);
4232 as_bad (_("Invalid Compare and Branch Condition"));
4237 /* Negated condition requires an opcode change. */
4242 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4244 /* Handle a 64 bit compare and branch condition. */
4246 cmpltr
= pa_parse_cmpb_64_cmpltr (&s
);
4249 /* Negated condition requires an opcode change. */
4250 opcode
|= (cmpltr
& 8) << 26;
4253 /* Not a 64 bit cond. Give 32 bit a chance. */
4256 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
4258 /* Handle a 64 bit cmpib condition. */
4260 cmpltr
= pa_parse_cmpib_64_cmpltr (&s
);
4262 /* Not a 64 bit cond. Give 32 bit a chance. */
4265 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4267 /* Handle a logical instruction condition. */
4276 /* 64 bit conditions. */
4288 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
4293 if (strcmp (name
, "=") == 0)
4295 else if (strcmp (name
, "<") == 0)
4297 else if (strcmp (name
, "<=") == 0)
4299 else if (strcasecmp (name
, "od") == 0)
4301 else if (strcasecmp (name
, "tr") == 0)
4306 else if (strcmp (name
, "<>") == 0)
4311 else if (strcmp (name
, ">=") == 0)
4316 else if (strcmp (name
, ">") == 0)
4321 else if (strcasecmp (name
, "ev") == 0)
4326 /* ",*" is a valid condition. */
4327 else if (*args
!= 'L' || *name
)
4328 as_bad (_("Invalid Logical Instruction Condition."));
4331 /* 32-bit is default for no condition. */
4332 else if (*args
== 'L')
4335 opcode
|= cmpltr
<< 13;
4336 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
4338 /* Handle a shift/extract/deposit condition. */
4343 /* Check immediate values in shift/extract/deposit
4344 * instructions if they will give undefined behaviour. */
4345 immediate_check
= 1;
4350 /* 64 bit conditions. */
4362 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
4366 if (strcmp (name
, "=") == 0)
4368 else if (strcmp (name
, "<") == 0)
4370 else if (strcasecmp (name
, "od") == 0)
4372 else if (strcasecmp (name
, "tr") == 0)
4374 else if (strcmp (name
, "<>") == 0)
4376 else if (strcmp (name
, ">=") == 0)
4378 else if (strcasecmp (name
, "ev") == 0)
4380 /* Handle movb,n. Put things back the way they were.
4381 This includes moving s back to where it started. */
4382 else if (strcasecmp (name
, "n") == 0 && *args
== 'y')
4388 /* ",*" is a valid condition. */
4389 else if (*args
!= 'X' || *name
)
4390 as_bad (_("Invalid Shift/Extract/Deposit Condition."));
4394 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4396 /* Handle a unit instruction condition. */
4406 /* 64 bit conditions. */
4417 /* The uxor instruction only supports unit conditions
4418 not involving carries. */
4419 uxor
= (opcode
& 0xfc000fc0) == 0x08000380;
4420 if (strncasecmp (s
, "sbz", 3) == 0)
4425 else if (strncasecmp (s
, "shz", 3) == 0)
4430 else if (!uxor
&& strncasecmp (s
, "sdc", 3) == 0)
4435 else if (!uxor
&& strncasecmp (s
, "sbc", 3) == 0)
4440 else if (!uxor
&& strncasecmp (s
, "shc", 3) == 0)
4445 else if (strncasecmp (s
, "tr", 2) == 0)
4451 else if (strncasecmp (s
, "nbz", 3) == 0)
4457 else if (strncasecmp (s
, "nhz", 3) == 0)
4463 else if (!uxor
&& strncasecmp (s
, "ndc", 3) == 0)
4469 else if (!uxor
&& strncasecmp (s
, "nbc", 3) == 0)
4475 else if (!uxor
&& strncasecmp (s
, "nhc", 3) == 0)
4481 else if (strncasecmp (s
, "swz", 3) == 0)
4487 else if (!uxor
&& strncasecmp (s
, "swc", 3) == 0)
4493 else if (strncasecmp (s
, "nwz", 3) == 0)
4499 else if (!uxor
&& strncasecmp (s
, "nwc", 3) == 0)
4505 /* ",*" is a valid condition. */
4506 else if (*args
!= 'U' || (*s
!= ' ' && *s
!= '\t'))
4507 as_bad (_("Invalid Unit Instruction Condition."));
4509 /* 32-bit is default for no condition. */
4510 else if (*args
== 'U')
4513 opcode
|= cmpltr
<< 13;
4514 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
4522 /* Handle a nullification completer for branch instructions. */
4524 nullif
= pa_parse_nullif (&s
);
4525 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 1);
4527 /* Handle a nullification completer for copr and spop insns. */
4529 nullif
= pa_parse_nullif (&s
);
4530 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 5);
4532 /* Handle ,%r2 completer for new syntax branches. */
4534 if (*s
== ',' && strncasecmp (s
+ 1, "%r2", 3) == 0)
4536 else if (*s
== ',' && strncasecmp (s
+ 1, "%rp", 3) == 0)
4542 /* Handle 3 bit entry into the fp compare array. Valid values
4543 are 0..6 inclusive. */
4547 if (the_insn
.exp
.X_op
== O_constant
)
4549 num
= evaluate_absolute (&the_insn
);
4550 CHECK_FIELD (num
, 6, 0, 0);
4552 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
4557 /* Handle 3 bit entry into the fp compare array. Valid values
4558 are 0..6 inclusive. */
4561 if (the_insn
.exp
.X_op
== O_constant
)
4564 num
= evaluate_absolute (&the_insn
);
4565 CHECK_FIELD (num
, 6, 0, 0);
4566 num
= (num
+ 1) ^ 1;
4567 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
4572 /* Handle graphics test completers for ftest */
4575 num
= pa_parse_ftest_gfx_completer (&s
);
4576 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4579 /* Handle a 11 bit immediate at 31. */
4581 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4584 if (the_insn
.exp
.X_op
== O_constant
)
4586 num
= evaluate_absolute (&the_insn
);
4587 CHECK_FIELD (num
, 1023, -1024, 0);
4588 num
= low_sign_unext (num
, 11);
4589 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4593 if (is_DP_relative (the_insn
.exp
))
4594 the_insn
.reloc
= R_HPPA_GOTOFF
;
4595 else if (is_PC_relative (the_insn
.exp
))
4596 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4598 else if (is_tls_gdidx (the_insn
.exp
))
4599 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4600 else if (is_tls_ldidx (the_insn
.exp
))
4601 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4602 else if (is_tls_dtpoff (the_insn
.exp
))
4603 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4604 else if (is_tls_ieoff (the_insn
.exp
))
4605 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4606 else if (is_tls_leoff (the_insn
.exp
))
4607 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4610 the_insn
.reloc
= R_HPPA
;
4611 the_insn
.format
= 11;
4615 /* Handle a 14 bit immediate at 31. */
4617 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4620 if (the_insn
.exp
.X_op
== O_constant
)
4624 /* XXX the completer stored away tidbits of information
4625 for us to extract. We need a cleaner way to do this.
4626 Now that we have lots of letters again, it would be
4627 good to rethink this. */
4630 num
= evaluate_absolute (&the_insn
);
4631 if (mb
!= (num
< 0))
4633 CHECK_FIELD (num
, 8191, -8192, 0);
4634 num
= low_sign_unext (num
, 14);
4635 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4639 /* Handle a 14 bit immediate at 31. */
4641 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4644 if (the_insn
.exp
.X_op
== O_constant
)
4650 num
= evaluate_absolute (&the_insn
);
4651 if (mb
== (num
< 0))
4655 CHECK_FIELD (num
, 8191, -8192, 0);
4656 num
= low_sign_unext (num
, 14);
4657 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4661 /* Handle a 16 bit immediate at 31. */
4663 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4666 if (the_insn
.exp
.X_op
== O_constant
)
4672 num
= evaluate_absolute (&the_insn
);
4673 if (mb
!= (num
< 0))
4675 CHECK_FIELD (num
, 32767, -32768, 0);
4676 num
= re_assemble_16 (num
);
4677 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4681 /* Handle a 16 bit immediate at 31. */
4683 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4686 if (the_insn
.exp
.X_op
== O_constant
)
4692 num
= evaluate_absolute (&the_insn
);
4693 if (mb
== (num
< 0))
4697 CHECK_FIELD (num
, 32767, -32768, 0);
4698 num
= re_assemble_16 (num
);
4699 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4703 /* Handle 14 bit immediate, shifted left three times. */
4705 if (bfd_get_mach (stdoutput
) != pa20
)
4707 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4710 if (the_insn
.exp
.X_op
== O_constant
)
4712 num
= evaluate_absolute (&the_insn
);
4715 CHECK_FIELD (num
, 8191, -8192, 0);
4720 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 4);
4724 if (is_DP_relative (the_insn
.exp
))
4725 the_insn
.reloc
= R_HPPA_GOTOFF
;
4726 else if (is_PC_relative (the_insn
.exp
))
4727 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4729 else if (is_tls_gdidx (the_insn
.exp
))
4730 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4731 else if (is_tls_ldidx (the_insn
.exp
))
4732 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4733 else if (is_tls_dtpoff (the_insn
.exp
))
4734 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4735 else if (is_tls_ieoff (the_insn
.exp
))
4736 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4737 else if (is_tls_leoff (the_insn
.exp
))
4738 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4741 the_insn
.reloc
= R_HPPA
;
4742 the_insn
.format
= 14;
4747 /* Handle 14 bit immediate, shifted left twice. */
4749 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4752 if (the_insn
.exp
.X_op
== O_constant
)
4754 num
= evaluate_absolute (&the_insn
);
4757 CHECK_FIELD (num
, 8191, -8192, 0);
4762 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
4766 if (is_DP_relative (the_insn
.exp
))
4767 the_insn
.reloc
= R_HPPA_GOTOFF
;
4768 else if (is_PC_relative (the_insn
.exp
))
4769 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4771 else if (is_tls_gdidx (the_insn
.exp
))
4772 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4773 else if (is_tls_ldidx (the_insn
.exp
))
4774 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4775 else if (is_tls_dtpoff (the_insn
.exp
))
4776 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4777 else if (is_tls_ieoff (the_insn
.exp
))
4778 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4779 else if (is_tls_leoff (the_insn
.exp
))
4780 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4783 the_insn
.reloc
= R_HPPA
;
4784 the_insn
.format
= 14;
4788 /* Handle a 14 bit immediate at 31. */
4790 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4793 if (the_insn
.exp
.X_op
== O_constant
)
4795 num
= evaluate_absolute (&the_insn
);
4796 CHECK_FIELD (num
, 8191, -8192, 0);
4797 num
= low_sign_unext (num
, 14);
4798 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4802 if (is_DP_relative (the_insn
.exp
))
4803 the_insn
.reloc
= R_HPPA_GOTOFF
;
4804 else if (is_PC_relative (the_insn
.exp
))
4805 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4807 else if (is_tls_gdidx (the_insn
.exp
))
4808 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4809 else if (is_tls_ldidx (the_insn
.exp
))
4810 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4811 else if (is_tls_dtpoff (the_insn
.exp
))
4812 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4813 else if (is_tls_ieoff (the_insn
.exp
))
4814 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4815 else if (is_tls_leoff (the_insn
.exp
))
4816 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4819 the_insn
.reloc
= R_HPPA
;
4820 the_insn
.format
= 14;
4824 /* Handle a 21 bit immediate at 31. */
4826 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4829 if (the_insn
.exp
.X_op
== O_constant
)
4831 num
= evaluate_absolute (&the_insn
);
4832 CHECK_FIELD (num
>> 11, 1048575, -1048576, 0);
4833 opcode
|= re_assemble_21 (num
);
4838 if (is_DP_relative (the_insn
.exp
))
4839 the_insn
.reloc
= R_HPPA_GOTOFF
;
4840 else if (is_PC_relative (the_insn
.exp
))
4841 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4843 else if (is_tls_gdidx (the_insn
.exp
))
4844 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4845 else if (is_tls_ldidx (the_insn
.exp
))
4846 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4847 else if (is_tls_dtpoff (the_insn
.exp
))
4848 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4849 else if (is_tls_ieoff (the_insn
.exp
))
4850 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4851 else if (is_tls_leoff (the_insn
.exp
))
4852 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4855 the_insn
.reloc
= R_HPPA
;
4856 the_insn
.format
= 21;
4860 /* Handle a 16 bit immediate at 31 (PA 2.0 wide mode only). */
4862 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4865 if (the_insn
.exp
.X_op
== O_constant
)
4867 num
= evaluate_absolute (&the_insn
);
4868 CHECK_FIELD (num
, 32767, -32768, 0);
4869 opcode
|= re_assemble_16 (num
);
4874 /* ??? Is this valid for wide mode? */
4875 if (is_DP_relative (the_insn
.exp
))
4876 the_insn
.reloc
= R_HPPA_GOTOFF
;
4877 else if (is_PC_relative (the_insn
.exp
))
4878 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4880 else if (is_tls_gdidx (the_insn
.exp
))
4881 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4882 else if (is_tls_ldidx (the_insn
.exp
))
4883 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4884 else if (is_tls_dtpoff (the_insn
.exp
))
4885 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4886 else if (is_tls_ieoff (the_insn
.exp
))
4887 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4888 else if (is_tls_leoff (the_insn
.exp
))
4889 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4892 the_insn
.reloc
= R_HPPA
;
4893 the_insn
.format
= 14;
4897 /* Handle a word-aligned 16-bit imm. at 31 (PA2.0 wide). */
4899 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4902 if (the_insn
.exp
.X_op
== O_constant
)
4904 num
= evaluate_absolute (&the_insn
);
4905 CHECK_FIELD (num
, 32767, -32768, 0);
4906 CHECK_ALIGN (num
, 4, 0);
4907 opcode
|= re_assemble_16 (num
);
4912 /* ??? Is this valid for wide mode? */
4913 if (is_DP_relative (the_insn
.exp
))
4914 the_insn
.reloc
= R_HPPA_GOTOFF
;
4915 else if (is_PC_relative (the_insn
.exp
))
4916 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4918 else if (is_tls_gdidx (the_insn
.exp
))
4919 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4920 else if (is_tls_ldidx (the_insn
.exp
))
4921 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4922 else if (is_tls_dtpoff (the_insn
.exp
))
4923 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4924 else if (is_tls_ieoff (the_insn
.exp
))
4925 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4926 else if (is_tls_leoff (the_insn
.exp
))
4927 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4930 the_insn
.reloc
= R_HPPA
;
4931 the_insn
.format
= 14;
4935 /* Handle a dword-aligned 16-bit imm. at 31 (PA2.0 wide). */
4937 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4940 if (the_insn
.exp
.X_op
== O_constant
)
4942 num
= evaluate_absolute (&the_insn
);
4943 CHECK_FIELD (num
, 32767, -32768, 0);
4944 CHECK_ALIGN (num
, 8, 0);
4945 opcode
|= re_assemble_16 (num
);
4950 /* ??? Is this valid for wide mode? */
4951 if (is_DP_relative (the_insn
.exp
))
4952 the_insn
.reloc
= R_HPPA_GOTOFF
;
4953 else if (is_PC_relative (the_insn
.exp
))
4954 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4956 else if (is_tls_gdidx (the_insn
.exp
))
4957 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4958 else if (is_tls_ldidx (the_insn
.exp
))
4959 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4960 else if (is_tls_dtpoff (the_insn
.exp
))
4961 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4962 else if (is_tls_ieoff (the_insn
.exp
))
4963 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4964 else if (is_tls_leoff (the_insn
.exp
))
4965 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4968 the_insn
.reloc
= R_HPPA
;
4969 the_insn
.format
= 14;
4973 /* Handle a 12 bit branch displacement. */
4975 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4979 if (!the_insn
.exp
.X_add_symbol
4980 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
4983 num
= evaluate_absolute (&the_insn
);
4986 as_bad (_("Branch to unaligned address"));
4989 if (the_insn
.exp
.X_add_symbol
)
4991 CHECK_FIELD (num
, 8191, -8192, 0);
4992 opcode
|= re_assemble_12 (num
>> 2);
4997 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4998 the_insn
.format
= 12;
4999 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
5000 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
5005 /* Handle a 17 bit branch displacement. */
5007 the_insn
.field_selector
= pa_chk_field_selector (&s
);
5011 if (!the_insn
.exp
.X_add_symbol
5012 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
5015 num
= evaluate_absolute (&the_insn
);
5018 as_bad (_("Branch to unaligned address"));
5021 if (the_insn
.exp
.X_add_symbol
)
5023 CHECK_FIELD (num
, 262143, -262144, 0);
5024 opcode
|= re_assemble_17 (num
>> 2);
5029 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
5030 the_insn
.format
= 17;
5031 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
5032 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
5036 /* Handle a 22 bit branch displacement. */
5038 the_insn
.field_selector
= pa_chk_field_selector (&s
);
5042 if (!the_insn
.exp
.X_add_symbol
5043 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
5046 num
= evaluate_absolute (&the_insn
);
5049 as_bad (_("Branch to unaligned address"));
5052 if (the_insn
.exp
.X_add_symbol
)
5054 CHECK_FIELD (num
, 8388607, -8388608, 0);
5055 opcode
|= re_assemble_22 (num
>> 2);
5059 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
5060 the_insn
.format
= 22;
5061 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
5062 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
5066 /* Handle an absolute 17 bit branch target. */
5068 the_insn
.field_selector
= pa_chk_field_selector (&s
);
5072 if (!the_insn
.exp
.X_add_symbol
5073 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
5076 num
= evaluate_absolute (&the_insn
);
5079 as_bad (_("Branch to unaligned address"));
5082 if (the_insn
.exp
.X_add_symbol
)
5084 CHECK_FIELD (num
, 262143, -262144, 0);
5085 opcode
|= re_assemble_17 (num
>> 2);
5090 the_insn
.reloc
= R_HPPA_ABS_CALL
;
5091 the_insn
.format
= 17;
5092 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
5093 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
5097 /* Handle '%r1' implicit operand of addil instruction. */
5099 if (*s
== ',' && *(s
+ 1) == '%' && *(s
+ 3) == '1'
5100 && (*(s
+ 2) == 'r' || *(s
+ 2) == 'R'))
5108 /* Handle '%sr0,%r31' implicit operand of be,l instruction. */
5110 if (strncasecmp (s
, "%sr0,%r31", 9) != 0)
5115 /* Handle immediate value of 0 for ordered load/store instructions. */
5122 /* Handle a 2 bit shift count at 25. */
5124 num
= pa_get_absolute_expression (&the_insn
, &s
);
5125 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5128 CHECK_FIELD (num
, 3, 1, strict
);
5129 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5131 /* Handle a 4 bit shift count at 25. */
5133 num
= pa_get_absolute_expression (&the_insn
, &s
);
5134 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5137 CHECK_FIELD (num
, 15, 0, strict
);
5138 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5140 /* Handle a 5 bit shift count at 26. */
5142 num
= pa_get_absolute_expression (&the_insn
, &s
);
5143 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5146 CHECK_FIELD (num
, 31, 0, strict
);
5147 SAVE_IMMEDIATE(num
);
5148 INSERT_FIELD_AND_CONTINUE (opcode
, 31 - num
, 5);
5150 /* Handle a 6 bit shift count at 20,22:26. */
5152 num
= pa_get_absolute_expression (&the_insn
, &s
);
5153 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5156 CHECK_FIELD (num
, 63, 0, strict
);
5157 SAVE_IMMEDIATE(num
);
5159 opcode
|= (num
& 0x20) << 6;
5160 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
5162 /* Handle a 6 bit field length at 23,27:31. */
5165 num
= pa_get_absolute_expression (&the_insn
, &s
);
5166 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5169 CHECK_FIELD (num
, 64, 1, strict
);
5170 SAVE_IMMEDIATE(num
);
5172 opcode
|= (num
& 0x20) << 3;
5173 num
= 31 - (num
& 0x1f);
5174 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5176 /* Handle a 6 bit field length at 19,27:31. */
5178 num
= pa_get_absolute_expression (&the_insn
, &s
);
5179 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5182 CHECK_FIELD (num
, 64, 1, strict
);
5183 SAVE_IMMEDIATE(num
);
5185 opcode
|= (num
& 0x20) << 7;
5186 num
= 31 - (num
& 0x1f);
5187 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5189 /* Handle a 5 bit bit position at 26. */
5191 num
= pa_get_absolute_expression (&the_insn
, &s
);
5192 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5195 CHECK_FIELD (num
, 31, 0, strict
);
5196 SAVE_IMMEDIATE(num
);
5197 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 5);
5199 /* Handle a 6 bit bit position at 20,22:26. */
5201 num
= pa_get_absolute_expression (&the_insn
, &s
);
5202 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5205 CHECK_FIELD (num
, 63, 0, strict
);
5206 SAVE_IMMEDIATE(num
);
5207 opcode
|= (num
& 0x20) << 6;
5208 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
5210 /* Handle a 5 bit immediate at 10 with 'd' as the complement
5211 of the high bit of the immediate. */
5213 num
= pa_get_absolute_expression (&the_insn
, &s
);
5214 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5217 CHECK_FIELD (num
, 63, 0, strict
);
5219 opcode
&= ~(1 << 13);
5220 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 21);
5222 /* Handle a 5 bit immediate at 10. */
5224 num
= pa_get_absolute_expression (&the_insn
, &s
);
5225 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5228 CHECK_FIELD (num
, 31, 0, strict
);
5229 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
5231 /* Handle a 9 bit immediate at 28. */
5233 num
= pa_get_absolute_expression (&the_insn
, &s
);
5234 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5237 CHECK_FIELD (num
, 511, 1, strict
);
5238 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
5240 /* Handle a 13 bit immediate at 18. */
5242 num
= pa_get_absolute_expression (&the_insn
, &s
);
5243 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5246 CHECK_FIELD (num
, 8191, 0, strict
);
5247 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
5249 /* Handle a 26 bit immediate at 31. */
5251 num
= pa_get_absolute_expression (&the_insn
, &s
);
5252 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5255 CHECK_FIELD (num
, 67108863, 0, strict
);
5256 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5258 /* Handle a 3 bit SFU identifier at 25. */
5261 as_bad (_("Invalid SFU identifier"));
5262 num
= pa_get_number (&the_insn
, &s
);
5263 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5266 CHECK_FIELD (num
, 7, 0, strict
);
5267 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5269 /* Handle a 20 bit SOP field for spop0. */
5271 num
= pa_get_number (&the_insn
, &s
);
5272 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5275 CHECK_FIELD (num
, 1048575, 0, strict
);
5276 num
= (num
& 0x1f) | ((num
& 0x000fffe0) << 6);
5277 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5279 /* Handle a 15bit SOP field for spop1. */
5281 num
= pa_get_number (&the_insn
, &s
);
5282 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5285 CHECK_FIELD (num
, 32767, 0, strict
);
5286 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
5288 /* Handle a 10bit SOP field for spop3. */
5290 num
= pa_get_number (&the_insn
, &s
);
5291 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5294 CHECK_FIELD (num
, 1023, 0, strict
);
5295 num
= (num
& 0x1f) | ((num
& 0x000003e0) << 6);
5296 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5298 /* Handle a 15 bit SOP field for spop2. */
5300 num
= pa_get_number (&the_insn
, &s
);
5301 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5304 CHECK_FIELD (num
, 32767, 0, strict
);
5305 num
= (num
& 0x1f) | ((num
& 0x00007fe0) << 6);
5306 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5308 /* Handle a 3-bit co-processor ID field. */
5311 as_bad (_("Invalid COPR identifier"));
5312 num
= pa_get_number (&the_insn
, &s
);
5313 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5316 CHECK_FIELD (num
, 7, 0, strict
);
5317 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5319 /* Handle a 22bit SOP field for copr. */
5321 num
= pa_get_number (&the_insn
, &s
);
5322 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5325 CHECK_FIELD (num
, 4194303, 0, strict
);
5326 num
= (num
& 0x1f) | ((num
& 0x003fffe0) << 4);
5327 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5329 /* Handle a source FP operand format completer. */
5331 if (*s
== ',' && *(s
+1) == 't')
5338 flag
= pa_parse_fp_cnv_format (&s
);
5339 the_insn
.fpof1
= flag
;
5340 if (flag
== W
|| flag
== UW
)
5342 if (flag
== DW
|| flag
== UDW
)
5344 if (flag
== QW
|| flag
== UQW
)
5346 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
5348 /* Handle a destination FP operand format completer. */
5350 /* pa_parse_format needs the ',' prefix. */
5352 flag
= pa_parse_fp_cnv_format (&s
);
5353 the_insn
.fpof2
= flag
;
5354 if (flag
== W
|| flag
== UW
)
5356 if (flag
== DW
|| flag
== UDW
)
5358 if (flag
== QW
|| flag
== UQW
)
5360 opcode
|= flag
<< 13;
5361 if (the_insn
.fpof1
== SGL
5362 || the_insn
.fpof1
== DBL
5363 || the_insn
.fpof1
== QUAD
)
5365 if (the_insn
.fpof2
== SGL
5366 || the_insn
.fpof2
== DBL
5367 || the_insn
.fpof2
== QUAD
)
5369 else if (the_insn
.fpof2
== W
5370 || the_insn
.fpof2
== DW
5371 || the_insn
.fpof2
== QW
)
5373 else if (the_insn
.fpof2
== UW
5374 || the_insn
.fpof2
== UDW
5375 || the_insn
.fpof2
== UQW
)
5380 else if (the_insn
.fpof1
== W
5381 || the_insn
.fpof1
== DW
5382 || the_insn
.fpof1
== QW
)
5384 if (the_insn
.fpof2
== SGL
5385 || the_insn
.fpof2
== DBL
5386 || the_insn
.fpof2
== QUAD
)
5391 else if (the_insn
.fpof1
== UW
5392 || the_insn
.fpof1
== UDW
5393 || the_insn
.fpof1
== UQW
)
5395 if (the_insn
.fpof2
== SGL
5396 || the_insn
.fpof2
== DBL
5397 || the_insn
.fpof2
== QUAD
)
5402 flag
|= the_insn
.trunc
;
5403 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 15);
5405 /* Handle a source FP operand format completer. */
5407 flag
= pa_parse_fp_format (&s
);
5408 the_insn
.fpof1
= flag
;
5409 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
5411 /* Handle a destination FP operand format completer. */
5413 /* pa_parse_format needs the ',' prefix. */
5415 flag
= pa_parse_fp_format (&s
);
5416 the_insn
.fpof2
= flag
;
5417 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 13);
5419 /* Handle a source FP operand format completer at 20. */
5421 flag
= pa_parse_fp_format (&s
);
5422 the_insn
.fpof1
= flag
;
5423 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
5425 /* Handle a floating point operand format at 26.
5426 Only allows single and double precision. */
5428 flag
= pa_parse_fp_format (&s
);
5435 the_insn
.fpof1
= flag
;
5441 as_bad (_("Invalid Floating Point Operand Format."));
5445 /* Handle all floating point registers. */
5449 /* Float target register. */
5451 if (!pa_parse_number (&s
, 3))
5453 /* RSEL should not be set. */
5454 if (pa_number
& FP_REG_RSEL
)
5456 num
= pa_number
- FP_REG_BASE
;
5457 CHECK_FIELD (num
, 31, 0, 0);
5458 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5460 /* Float target register with L/R selection. */
5463 if (!pa_parse_number (&s
, 1))
5465 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5466 CHECK_FIELD (num
, 31, 0, 0);
5469 /* 0x30 opcodes are FP arithmetic operation opcodes
5470 and need to be turned into 0x38 opcodes. This
5471 is not necessary for loads/stores. */
5472 if (need_pa11_opcode ()
5473 && ((opcode
& 0xfc000000) == 0x30000000))
5476 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 6 : 0);
5480 /* Float operand 1. */
5483 if (!pa_parse_number (&s
, 1))
5485 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5486 CHECK_FIELD (num
, 31, 0, 0);
5487 opcode
|= num
<< 21;
5488 if (need_pa11_opcode ())
5490 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
5496 /* Float operand 1 with L/R selection. */
5500 if (!pa_parse_number (&s
, 1))
5502 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5503 CHECK_FIELD (num
, 31, 0, 0);
5504 opcode
|= num
<< 21;
5505 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
5509 /* Float operand 2. */
5512 if (!pa_parse_number (&s
, 1))
5514 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5515 CHECK_FIELD (num
, 31, 0, 0);
5516 opcode
|= num
<< 16;
5517 if (need_pa11_opcode ())
5519 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
5525 /* Float operand 2 with L/R selection. */
5528 if (!pa_parse_number (&s
, 1))
5530 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5531 CHECK_FIELD (num
, 31, 0, 0);
5532 opcode
|= num
<< 16;
5533 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
5537 /* Float operand 3 for fmpyfadd, fmpynfadd. */
5540 if (!pa_parse_number (&s
, 1))
5542 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5543 CHECK_FIELD (num
, 31, 0, 0);
5544 opcode
|= (num
& 0x1c) << 11;
5545 opcode
|= (num
& 0x03) << 9;
5546 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 8 : 0);
5550 /* Float mult operand 1 for fmpyadd, fmpysub */
5553 if (!pa_parse_number (&s
, 1))
5555 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5556 CHECK_FIELD (num
, 31, 0, 0);
5557 if (the_insn
.fpof1
== SGL
)
5561 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5565 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5567 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
5570 /* Float mult operand 2 for fmpyadd, fmpysub */
5573 if (!pa_parse_number (&s
, 1))
5575 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5576 CHECK_FIELD (num
, 31, 0, 0);
5577 if (the_insn
.fpof1
== SGL
)
5581 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5585 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5587 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
5590 /* Float mult target for fmpyadd, fmpysub */
5593 if (!pa_parse_number (&s
, 1))
5595 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5596 CHECK_FIELD (num
, 31, 0, 0);
5597 if (the_insn
.fpof1
== SGL
)
5601 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5605 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5607 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5610 /* Float add operand 1 for fmpyadd, fmpysub */
5613 if (!pa_parse_number (&s
, 1))
5615 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5616 CHECK_FIELD (num
, 31, 0, 0);
5617 if (the_insn
.fpof1
== SGL
)
5621 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5625 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5627 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5630 /* Float add target for fmpyadd, fmpysub */
5633 if (!pa_parse_number (&s
, 1))
5635 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5636 CHECK_FIELD (num
, 31, 0, 0);
5637 if (the_insn
.fpof1
== SGL
)
5641 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5645 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5647 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
5650 /* Handle L/R register halves like 'x'. */
5654 if (!pa_parse_number (&s
, 1))
5656 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5657 CHECK_FIELD (num
, 31, 0, 0);
5658 opcode
|= num
<< 16;
5659 if (need_pa11_opcode ())
5661 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 1 : 0);
5666 /* Float target register (PA 2.0 wide). */
5668 if (!pa_parse_number (&s
, 3))
5670 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5671 CHECK_FIELD (num
, 31, 0, 0);
5672 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
5685 /* If this instruction is specific to a particular architecture,
5686 then set a new architecture. This automatic promotion crud is
5687 for compatibility with HP's old assemblers only. */
5689 && bfd_get_mach (stdoutput
) < insn
->arch
5690 && !bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, insn
->arch
))
5692 as_warn (_("could not update architecture and machine"));
5697 /* Check if the args matched. */
5700 if (&insn
[1] - pa_opcodes
< (int) NUMOPCODES
5701 && !strcmp (insn
->name
, insn
[1].name
))
5709 as_bad (_("Invalid operands %s"), error_message
);
5716 if (immediate_check
)
5718 if (pos
!= -1 && len
!= -1 && pos
< len
- 1)
5719 as_warn (_("Immediates %d and %d will give undefined behavior."),
5723 the_insn
.opcode
= opcode
;
5726 /* Assemble a single instruction storing it into a frag. */
5729 md_assemble (char *str
)
5733 /* The had better be something to assemble. */
5736 /* If we are within a procedure definition, make sure we've
5737 defined a label for the procedure; handle case where the
5738 label was defined after the .PROC directive.
5740 Note there's not need to diddle with the segment or fragment
5741 for the label symbol in this case. We have already switched
5742 into the new $CODE$ subspace at this point. */
5743 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
5745 label_symbol_struct
*label_symbol
= pa_get_label ();
5749 if (label_symbol
->lss_label
)
5751 last_call_info
->start_symbol
= label_symbol
->lss_label
;
5752 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
5755 /* Also handle allocation of a fixup to hold the unwind
5756 information when the label appears after the proc/procend. */
5757 if (within_entry_exit
)
5762 where
= frag_more (0);
5763 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
5764 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5765 NULL
, (offsetT
) 0, NULL
,
5766 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
5771 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
5774 as_bad (_("Missing function name for .PROC"));
5777 /* Assemble the instruction. Results are saved into "the_insn". */
5780 /* Get somewhere to put the assembled instruction. */
5783 /* Output the opcode. */
5784 md_number_to_chars (to
, the_insn
.opcode
, 4);
5786 /* If necessary output more stuff. */
5787 if (the_insn
.reloc
!= R_HPPA_NONE
)
5788 fix_new_hppa (frag_now
, (to
- frag_now
->fr_literal
), 4, NULL
,
5789 (offsetT
) 0, &the_insn
.exp
, the_insn
.pcrel
,
5790 (int) the_insn
.reloc
, the_insn
.field_selector
,
5791 the_insn
.format
, the_insn
.arg_reloc
, 0);
5794 dwarf2_emit_insn (4);
5799 /* Handle an alignment directive. Special so that we can update the
5800 alignment of the subspace if necessary. */
5802 pa_align (int bytes
)
5804 /* We must have a valid space and subspace. */
5805 pa_check_current_space_and_subspace ();
5807 /* Let the generic gas code do most of the work. */
5808 s_align_bytes (bytes
);
5810 /* If bytes is a power of 2, then update the current subspace's
5811 alignment if necessary. */
5812 if (exact_log2 (bytes
) != -1)
5813 record_alignment (current_subspace
->ssd_seg
, exact_log2 (bytes
));
5817 /* Handle a .BLOCK type pseudo-op. */
5820 pa_block (int z ATTRIBUTE_UNUSED
)
5822 unsigned int temp_size
;
5825 /* We must have a valid space and subspace. */
5826 pa_check_current_space_and_subspace ();
5829 temp_size
= get_absolute_expression ();
5831 if (temp_size
> 0x3FFFFFFF)
5833 as_bad (_("Argument to .BLOCK/.BLOCKZ must be between 0 and 0x3fffffff"));
5838 /* Always fill with zeros, that's what the HP assembler does. */
5839 char *p
= frag_var (rs_fill
, 1, 1, 0, NULL
, temp_size
, NULL
);
5843 pa_undefine_label ();
5844 demand_empty_rest_of_line ();
5847 /* Handle a .begin_brtab and .end_brtab pseudo-op. */
5850 pa_brtab (int begin ATTRIBUTE_UNUSED
)
5854 /* The BRTAB relocations are only available in SOM (to denote
5855 the beginning and end of branch tables). */
5856 char *where
= frag_more (0);
5858 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5859 NULL
, (offsetT
) 0, NULL
,
5860 0, begin
? R_HPPA_BEGIN_BRTAB
: R_HPPA_END_BRTAB
,
5864 demand_empty_rest_of_line ();
5867 /* Handle a .begin_try and .end_try pseudo-op. */
5870 pa_try (int begin ATTRIBUTE_UNUSED
)
5874 char *where
= frag_more (0);
5879 /* The TRY relocations are only available in SOM (to denote
5880 the beginning and end of exception handling regions). */
5882 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5883 NULL
, (offsetT
) 0, begin
? NULL
: &exp
,
5884 0, begin
? R_HPPA_BEGIN_TRY
: R_HPPA_END_TRY
,
5888 demand_empty_rest_of_line ();
5891 /* Do the dirty work of building a call descriptor which describes
5892 where the caller placed arguments to a function call. */
5895 pa_call_args (struct call_desc
*call_desc
)
5898 unsigned int temp
, arg_reloc
;
5900 while (!is_end_of_statement ())
5902 c
= get_symbol_name (&name
);
5903 /* Process a source argument. */
5904 if ((strncasecmp (name
, "argw", 4) == 0))
5906 temp
= atoi (name
+ 4);
5907 (void) restore_line_pointer (c
);
5908 input_line_pointer
++;
5909 c
= get_symbol_name (&name
);
5910 arg_reloc
= pa_build_arg_reloc (name
);
5911 call_desc
->arg_reloc
|= pa_align_arg_reloc (temp
, arg_reloc
);
5913 /* Process a return value. */
5914 else if ((strncasecmp (name
, "rtnval", 6) == 0))
5916 (void) restore_line_pointer (c
);
5917 input_line_pointer
++;
5918 c
= get_symbol_name (&name
);
5919 arg_reloc
= pa_build_arg_reloc (name
);
5920 call_desc
->arg_reloc
|= (arg_reloc
& 0x3);
5924 as_bad (_("Invalid .CALL argument: %s"), name
);
5927 (void) restore_line_pointer (c
);
5928 if (!is_end_of_statement ())
5929 input_line_pointer
++;
5933 /* Handle a .CALL pseudo-op. This involves storing away information
5934 about where arguments are to be found so the linker can detect
5935 (and correct) argument location mismatches between caller and callee. */
5938 pa_call (int unused ATTRIBUTE_UNUSED
)
5941 /* We must have a valid space and subspace. */
5942 pa_check_current_space_and_subspace ();
5945 pa_call_args (&last_call_desc
);
5946 demand_empty_rest_of_line ();
5950 /* Build an entry in the UNWIND subspace from the given function
5951 attributes in CALL_INFO. This is not needed for SOM as using
5952 R_ENTRY and R_EXIT relocations allow the linker to handle building
5953 of the unwind spaces. */
5956 pa_build_unwind_subspace (struct call_info
*call_info
)
5958 asection
*seg
, *save_seg
;
5959 subsegT save_subseg
;
5960 unsigned int unwind
;
5965 if ((bfd_section_flags (now_seg
)
5966 & (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
5967 != (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
5970 if (call_info
->start_symbol
== NULL
)
5971 /* This can happen if there were errors earlier on in the assembly. */
5974 /* Replace the start symbol with a local symbol that will be reduced
5975 to a section offset. This avoids problems with weak functions with
5976 multiple definitions, etc. */
5977 name
= concat ("L$\001start_", S_GET_NAME (call_info
->start_symbol
),
5980 /* If we have a .procend preceded by a .exit, then the symbol will have
5981 already been defined. In that case, we don't want another unwind
5983 symbolP
= symbol_find (name
);
5991 symbolP
= symbol_new (name
, now_seg
,
5992 symbol_get_frag (call_info
->start_symbol
),
5993 S_GET_VALUE (call_info
->start_symbol
));
5994 gas_assert (symbolP
);
5995 S_CLEAR_EXTERNAL (symbolP
);
5996 symbol_table_insert (symbolP
);
5999 reloc
= R_PARISC_SEGREL32
;
6001 save_subseg
= now_subseg
;
6002 /* Get into the right seg/subseg. This may involve creating
6003 the seg the first time through. Make sure to have the
6004 old seg/subseg so that we can reset things when we are done. */
6005 seg
= bfd_get_section_by_name (stdoutput
, UNWIND_SECTION_NAME
);
6006 if (seg
== ASEC_NULL
)
6008 seg
= subseg_new (UNWIND_SECTION_NAME
, 0);
6009 bfd_set_section_flags (seg
, (SEC_READONLY
| SEC_HAS_CONTENTS
| SEC_LOAD
6010 | SEC_RELOC
| SEC_ALLOC
| SEC_DATA
));
6011 bfd_set_section_alignment (seg
, 2);
6014 subseg_set (seg
, 0);
6016 /* Get some space to hold relocation information for the unwind
6020 /* Relocation info. for start offset of the function. */
6021 md_number_to_chars (p
, 0, 4);
6022 fix_new_hppa (frag_now
, p
- frag_now
->fr_literal
, 4,
6023 symbolP
, (offsetT
) 0,
6024 (expressionS
*) NULL
, 0, reloc
,
6027 /* Relocation info. for end offset of the function.
6029 Because we allow reductions of 32bit relocations for ELF, this will be
6030 reduced to section_sym + offset which avoids putting the temporary
6031 symbol into the symbol table. It (should) end up giving the same
6032 value as call_info->start_symbol + function size once the linker is
6033 finished with its work. */
6034 md_number_to_chars (p
+ 4, 0, 4);
6035 fix_new_hppa (frag_now
, p
+ 4 - frag_now
->fr_literal
, 4,
6036 call_info
->end_symbol
, (offsetT
) 0,
6037 (expressionS
*) NULL
, 0, reloc
,
6040 /* Dump the descriptor. */
6041 unwind
= UNWIND_LOW32 (&call_info
->ci_unwind
.descriptor
);
6042 md_number_to_chars (p
+ 8, unwind
, 4);
6044 unwind
= UNWIND_HIGH32 (&call_info
->ci_unwind
.descriptor
);
6045 md_number_to_chars (p
+ 12, unwind
, 4);
6047 /* Return back to the original segment/subsegment. */
6048 subseg_set (save_seg
, save_subseg
);
6052 /* Process a .CALLINFO pseudo-op. This information is used later
6053 to build unwind descriptors and maybe one day to support
6054 .ENTER and .LEAVE. */
6057 pa_callinfo (int unused ATTRIBUTE_UNUSED
)
6063 /* We must have a valid space and subspace. */
6064 pa_check_current_space_and_subspace ();
6067 /* .CALLINFO must appear within a procedure definition. */
6068 if (!within_procedure
)
6069 as_bad (_(".callinfo is not within a procedure definition"));
6071 /* Mark the fact that we found the .CALLINFO for the
6072 current procedure. */
6073 callinfo_found
= TRUE
;
6075 /* Iterate over the .CALLINFO arguments. */
6076 while (!is_end_of_statement ())
6078 c
= get_symbol_name (&name
);
6079 /* Frame size specification. */
6080 if ((strncasecmp (name
, "frame", 5) == 0))
6082 (void) restore_line_pointer (c
);
6083 input_line_pointer
++;
6084 temp
= get_absolute_expression ();
6085 if ((temp
& 0x3) != 0)
6087 as_bad (_("FRAME parameter must be a multiple of 8: %d\n"), temp
);
6091 /* callinfo is in bytes and unwind_desc is in 8 byte units. */
6092 last_call_info
->ci_unwind
.descriptor
.frame_size
= temp
/ 8;
6094 /* Entry register (GR, GR and SR) specifications. */
6095 else if ((strncasecmp (name
, "entry_gr", 8) == 0))
6097 (void) restore_line_pointer (c
);
6098 input_line_pointer
++;
6099 temp
= get_absolute_expression ();
6100 /* The HP assembler accepts 19 as the high bound for ENTRY_GR
6101 even though %r19 is caller saved. I think this is a bug in
6102 the HP assembler, and we are not going to emulate it. */
6103 if (temp
< 3 || temp
> 18)
6104 as_bad (_("Value for ENTRY_GR must be in the range 3..18\n"));
6105 last_call_info
->ci_unwind
.descriptor
.entry_gr
= temp
- 2;
6107 else if ((strncasecmp (name
, "entry_fr", 8) == 0))
6109 (void) restore_line_pointer (c
);
6110 input_line_pointer
++;
6111 temp
= get_absolute_expression ();
6112 /* Similarly the HP assembler takes 31 as the high bound even
6113 though %fr21 is the last callee saved floating point register. */
6114 if (temp
< 12 || temp
> 21)
6115 as_bad (_("Value for ENTRY_FR must be in the range 12..21\n"));
6116 last_call_info
->ci_unwind
.descriptor
.entry_fr
= temp
- 11;
6118 else if ((strncasecmp (name
, "entry_sr", 8) == 0))
6120 (void) restore_line_pointer (c
);
6121 input_line_pointer
++;
6122 temp
= get_absolute_expression ();
6124 as_bad (_("Value for ENTRY_SR must be 3\n"));
6126 /* Note whether or not this function performs any calls. */
6127 else if ((strncasecmp (name
, "calls", 5) == 0)
6128 || (strncasecmp (name
, "caller", 6) == 0))
6130 (void) restore_line_pointer (c
);
6132 else if ((strncasecmp (name
, "no_calls", 8) == 0))
6134 (void) restore_line_pointer (c
);
6136 /* Should RP be saved into the stack. */
6137 else if ((strncasecmp (name
, "save_rp", 7) == 0))
6139 (void) restore_line_pointer (c
);
6140 last_call_info
->ci_unwind
.descriptor
.save_rp
= 1;
6142 /* Likewise for SP. */
6143 else if ((strncasecmp (name
, "save_sp", 7) == 0))
6145 (void) restore_line_pointer (c
);
6146 last_call_info
->ci_unwind
.descriptor
.save_sp
= 1;
6148 /* Is this an unwindable procedure. If so mark it so
6149 in the unwind descriptor. */
6150 else if ((strncasecmp (name
, "no_unwind", 9) == 0))
6152 (void) restore_line_pointer (c
);
6153 last_call_info
->ci_unwind
.descriptor
.cannot_unwind
= 1;
6155 /* Is this an interrupt routine. If so mark it in the
6156 unwind descriptor. */
6157 else if ((strncasecmp (name
, "hpux_int", 7) == 0))
6159 (void) restore_line_pointer (c
);
6160 last_call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 1;
6162 /* Is this a millicode routine. "millicode" isn't in my
6163 assembler manual, but my copy is old. The HP assembler
6164 accepts it, and there's a place in the unwind descriptor
6165 to drop the information, so we'll accept it too. */
6166 else if ((strncasecmp (name
, "millicode", 9) == 0))
6168 (void) restore_line_pointer (c
);
6169 last_call_info
->ci_unwind
.descriptor
.millicode
= 1;
6173 as_bad (_("Invalid .CALLINFO argument: %s"), name
);
6174 (void) restore_line_pointer (c
);
6177 if (!is_end_of_statement ())
6178 input_line_pointer
++;
6181 demand_empty_rest_of_line ();
6184 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
6185 /* Switch to the text space. Like s_text, but delete our
6186 label when finished. */
6189 pa_text (int unused ATTRIBUTE_UNUSED
)
6192 current_space
= is_defined_space ("$TEXT$");
6194 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6198 pa_undefine_label ();
6201 /* Switch to the data space. As usual delete our label. */
6204 pa_data (int unused ATTRIBUTE_UNUSED
)
6207 current_space
= is_defined_space ("$PRIVATE$");
6209 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6212 pa_undefine_label ();
6215 /* This is different than the standard GAS s_comm(). On HP9000/800 machines,
6216 the .comm pseudo-op has the following syntax:
6218 <label> .comm <length>
6220 where <label> is optional and is a symbol whose address will be the start of
6221 a block of memory <length> bytes long. <length> must be an absolute
6222 expression. <length> bytes will be allocated in the current space
6225 Also note the label may not even be on the same line as the .comm.
6227 This difference in syntax means the colon function will be called
6228 on the symbol before we arrive in pa_comm. colon will set a number
6229 of attributes of the symbol that need to be fixed here. In particular
6230 the value, section pointer, fragment pointer, flags, etc. What
6233 This also makes error detection all but impossible. */
6236 pa_comm (int unused ATTRIBUTE_UNUSED
)
6240 label_symbol_struct
*label_symbol
= pa_get_label ();
6243 symbol
= label_symbol
->lss_label
;
6248 size
= get_absolute_expression ();
6252 symbol_get_bfdsym (symbol
)->flags
|= BSF_OBJECT
;
6253 S_SET_VALUE (symbol
, size
);
6254 S_SET_SEGMENT (symbol
, bfd_com_section_ptr
);
6255 S_SET_EXTERNAL (symbol
);
6257 /* colon() has already set the frag to the current location in the
6258 current subspace; we need to reset the fragment to the zero address
6259 fragment. We also need to reset the segment pointer. */
6260 symbol_set_frag (symbol
, &zero_address_frag
);
6262 demand_empty_rest_of_line ();
6264 #endif /* !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))) */
6266 /* Process a .END pseudo-op. */
6269 pa_end (int unused ATTRIBUTE_UNUSED
)
6271 demand_empty_rest_of_line ();
6274 /* Process a .ENTER pseudo-op. This is not supported. */
6277 pa_enter (int unused ATTRIBUTE_UNUSED
)
6280 /* We must have a valid space and subspace. */
6281 pa_check_current_space_and_subspace ();
6284 as_bad (_("The .ENTER pseudo-op is not supported"));
6285 demand_empty_rest_of_line ();
6288 /* Process a .ENTRY pseudo-op. .ENTRY marks the beginning of the
6292 pa_entry (int unused ATTRIBUTE_UNUSED
)
6295 /* We must have a valid space and subspace. */
6296 pa_check_current_space_and_subspace ();
6299 if (!within_procedure
)
6300 as_bad (_("Misplaced .entry. Ignored."));
6303 if (!callinfo_found
)
6304 as_bad (_("Missing .callinfo."));
6306 demand_empty_rest_of_line ();
6307 within_entry_exit
= TRUE
;
6310 /* SOM defers building of unwind descriptors until the link phase.
6311 The assembler is responsible for creating an R_ENTRY relocation
6312 to mark the beginning of a region and hold the unwind bits, and
6313 for creating an R_EXIT relocation to mark the end of the region.
6315 FIXME. ELF should be using the same conventions! The problem
6316 is an unwind requires too much relocation space. Hmmm. Maybe
6317 if we split the unwind bits up between the relocations which
6318 denote the entry and exit points. */
6319 if (last_call_info
->start_symbol
!= NULL
)
6324 where
= frag_more (0);
6325 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
6326 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6327 NULL
, (offsetT
) 0, NULL
,
6328 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
6333 /* Silly nonsense for pa_equ. The only half-sensible use for this is
6334 being able to subtract two register symbols that specify a range of
6335 registers, to get the size of the range. */
6336 static int fudge_reg_expressions
;
6339 hppa_force_reg_syms_absolute (expressionS
*resultP
,
6340 operatorT op ATTRIBUTE_UNUSED
,
6341 expressionS
*rightP
)
6343 if (fudge_reg_expressions
6344 && rightP
->X_op
== O_register
6345 && resultP
->X_op
== O_register
)
6347 rightP
->X_op
= O_constant
;
6348 resultP
->X_op
= O_constant
;
6350 return 0; /* Continue normal expr handling. */
6353 /* Handle a .EQU pseudo-op. */
6358 label_symbol_struct
*label_symbol
= pa_get_label ();
6363 symbol
= label_symbol
->lss_label
;
6367 if (!pa_parse_number (&input_line_pointer
, 0))
6368 as_bad (_(".REG expression must be a register"));
6369 S_SET_VALUE (symbol
, pa_number
);
6370 S_SET_SEGMENT (symbol
, reg_section
);
6377 fudge_reg_expressions
= 1;
6378 seg
= expression (&exp
);
6379 fudge_reg_expressions
= 0;
6380 if (exp
.X_op
!= O_constant
6381 && exp
.X_op
!= O_register
)
6383 if (exp
.X_op
!= O_absent
)
6384 as_bad (_("bad or irreducible absolute expression; zero assumed"));
6385 exp
.X_add_number
= 0;
6386 seg
= absolute_section
;
6388 S_SET_VALUE (symbol
, (unsigned int) exp
.X_add_number
);
6389 S_SET_SEGMENT (symbol
, seg
);
6395 as_bad (_(".REG must use a label"));
6397 as_bad (_(".EQU must use a label"));
6400 pa_undefine_label ();
6401 demand_empty_rest_of_line ();
6405 /* Mark the end of a function so that it's possible to compute
6406 the size of the function in elf_hppa_final_processing. */
6409 hppa_elf_mark_end_of_function (void)
6411 /* ELF does not have EXIT relocations. All we do is create a
6412 temporary symbol marking the end of the function. */
6416 if (last_call_info
== NULL
|| last_call_info
->start_symbol
== NULL
)
6418 /* We have already warned about a missing label,
6419 or other problems. */
6423 name
= concat ("L$\001end_", S_GET_NAME (last_call_info
->start_symbol
),
6426 /* If we have a .exit followed by a .procend, then the
6427 symbol will have already been defined. */
6428 symbolP
= symbol_find (name
);
6431 /* The symbol has already been defined! This can
6432 happen if we have a .exit followed by a .procend.
6434 This is *not* an error. All we want to do is free
6435 the memory we just allocated for the name and continue. */
6440 /* symbol value should be the offset of the
6441 last instruction of the function */
6442 symbolP
= symbol_new (name
, now_seg
, frag_now
, frag_now_fix () - 4);
6444 gas_assert (symbolP
);
6445 S_CLEAR_EXTERNAL (symbolP
);
6446 symbol_table_insert (symbolP
);
6450 last_call_info
->end_symbol
= symbolP
;
6452 as_bad (_("Symbol '%s' could not be created."), name
);
6456 /* Helper function. Does processing for the end of a function. This
6457 usually involves creating some relocations or building special
6458 symbols to mark the end of the function. */
6465 where
= frag_more (0);
6468 /* Mark the end of the function, stuff away the location of the frag
6469 for the end of the function, and finally call pa_build_unwind_subspace
6470 to add an entry in the unwind table. */
6472 hppa_elf_mark_end_of_function ();
6473 pa_build_unwind_subspace (last_call_info
);
6475 /* SOM defers building of unwind descriptors until the link phase.
6476 The assembler is responsible for creating an R_ENTRY relocation
6477 to mark the beginning of a region and hold the unwind bits, and
6478 for creating an R_EXIT relocation to mark the end of the region.
6480 FIXME. ELF should be using the same conventions! The problem
6481 is an unwind requires too much relocation space. Hmmm. Maybe
6482 if we split the unwind bits up between the relocations which
6483 denote the entry and exit points. */
6484 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6486 NULL
, 0, R_HPPA_EXIT
, e_fsel
, 0, 0,
6487 UNWIND_HIGH32 (&last_call_info
->ci_unwind
.descriptor
));
6491 /* Process a .EXIT pseudo-op. */
6494 pa_exit (int unused ATTRIBUTE_UNUSED
)
6497 /* We must have a valid space and subspace. */
6498 pa_check_current_space_and_subspace ();
6501 if (!within_procedure
)
6502 as_bad (_(".EXIT must appear within a procedure"));
6505 if (!callinfo_found
)
6506 as_bad (_("Missing .callinfo"));
6509 if (!within_entry_exit
)
6510 as_bad (_("No .ENTRY for this .EXIT"));
6513 within_entry_exit
= FALSE
;
6518 demand_empty_rest_of_line ();
6521 /* Helper function to process arguments to a .EXPORT pseudo-op. */
6524 pa_type_args (symbolS
*symbolP
, int is_export
)
6527 unsigned int temp
, arg_reloc
;
6528 pa_symbol_type type
= SYMBOL_TYPE_UNKNOWN
;
6529 asymbol
*bfdsym
= symbol_get_bfdsym (symbolP
);
6531 if (strncasecmp (input_line_pointer
, "absolute", 8) == 0)
6533 input_line_pointer
+= 8;
6534 bfdsym
->flags
&= ~BSF_FUNCTION
;
6535 S_SET_SEGMENT (symbolP
, bfd_abs_section_ptr
);
6536 type
= SYMBOL_TYPE_ABSOLUTE
;
6538 else if (strncasecmp (input_line_pointer
, "code", 4) == 0)
6540 input_line_pointer
+= 4;
6541 /* IMPORTing/EXPORTing CODE types for functions is meaningless for SOM,
6542 instead one should be IMPORTing/EXPORTing ENTRY types.
6544 Complain if one tries to EXPORT a CODE type since that's never
6545 done. Both GCC and HP C still try to IMPORT CODE types, so
6546 silently fix them to be ENTRY types. */
6547 if (S_IS_FUNCTION (symbolP
))
6550 as_tsktsk (_("Using ENTRY rather than CODE in export directive for %s"),
6551 S_GET_NAME (symbolP
));
6553 bfdsym
->flags
|= BSF_FUNCTION
;
6554 type
= SYMBOL_TYPE_ENTRY
;
6558 bfdsym
->flags
&= ~BSF_FUNCTION
;
6559 type
= SYMBOL_TYPE_CODE
;
6562 else if (strncasecmp (input_line_pointer
, "data", 4) == 0)
6564 input_line_pointer
+= 4;
6565 bfdsym
->flags
&= ~BSF_FUNCTION
;
6566 bfdsym
->flags
|= BSF_OBJECT
;
6567 type
= SYMBOL_TYPE_DATA
;
6569 else if ((strncasecmp (input_line_pointer
, "entry", 5) == 0))
6571 input_line_pointer
+= 5;
6572 bfdsym
->flags
|= BSF_FUNCTION
;
6573 type
= SYMBOL_TYPE_ENTRY
;
6575 else if (strncasecmp (input_line_pointer
, "millicode", 9) == 0)
6577 input_line_pointer
+= 9;
6578 bfdsym
->flags
|= BSF_FUNCTION
;
6581 elf_symbol_type
*elfsym
= (elf_symbol_type
*) bfdsym
;
6582 elfsym
->internal_elf_sym
.st_info
=
6583 ELF_ST_INFO (ELF_ST_BIND (elfsym
->internal_elf_sym
.st_info
),
6587 type
= SYMBOL_TYPE_MILLICODE
;
6589 else if (strncasecmp (input_line_pointer
, "plabel", 6) == 0)
6591 input_line_pointer
+= 6;
6592 bfdsym
->flags
&= ~BSF_FUNCTION
;
6593 type
= SYMBOL_TYPE_PLABEL
;
6595 else if (strncasecmp (input_line_pointer
, "pri_prog", 8) == 0)
6597 input_line_pointer
+= 8;
6598 bfdsym
->flags
|= BSF_FUNCTION
;
6599 type
= SYMBOL_TYPE_PRI_PROG
;
6601 else if (strncasecmp (input_line_pointer
, "sec_prog", 8) == 0)
6603 input_line_pointer
+= 8;
6604 bfdsym
->flags
|= BSF_FUNCTION
;
6605 type
= SYMBOL_TYPE_SEC_PROG
;
6608 /* SOM requires much more information about symbol types
6609 than BFD understands. This is how we get this information
6610 to the SOM BFD backend. */
6611 #ifdef obj_set_symbol_type
6612 obj_set_symbol_type (bfdsym
, (int) type
);
6617 /* Now that the type of the exported symbol has been handled,
6618 handle any argument relocation information. */
6619 while (!is_end_of_statement ())
6621 if (*input_line_pointer
== ',')
6622 input_line_pointer
++;
6623 c
= get_symbol_name (&name
);
6624 /* Argument sources. */
6625 if ((strncasecmp (name
, "argw", 4) == 0))
6627 (void) restore_line_pointer (c
);
6628 input_line_pointer
++;
6629 temp
= atoi (name
+ 4);
6630 c
= get_symbol_name (&name
);
6631 arg_reloc
= pa_align_arg_reloc (temp
, pa_build_arg_reloc (name
));
6632 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6633 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6637 (void) restore_line_pointer (c
);
6639 /* The return value. */
6640 else if ((strncasecmp (name
, "rtnval", 6)) == 0)
6642 (void) restore_line_pointer (c
);
6643 input_line_pointer
++;
6644 c
= get_symbol_name (&name
);
6645 arg_reloc
= pa_build_arg_reloc (name
);
6646 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6647 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6651 (void) restore_line_pointer (c
);
6653 /* Privilege level. */
6654 else if ((strncasecmp (name
, "priv_lev", 8)) == 0)
6658 (void) restore_line_pointer (c
);
6659 input_line_pointer
++;
6660 temp
= atoi (input_line_pointer
);
6662 ((obj_symbol_type
*) bfdsym
)->tc_data
.ap
.hppa_priv_level
= temp
;
6664 c
= get_symbol_name (&priv
);
6665 (void) restore_line_pointer (c
);
6669 as_bad (_("Undefined .EXPORT/.IMPORT argument (ignored): %s"), name
);
6670 (void) restore_line_pointer (c
);
6673 if (!is_end_of_statement ())
6674 input_line_pointer
++;
6678 /* Process a .EXPORT directive. This makes functions external
6679 and provides information such as argument relocation entries
6683 pa_export (int unused ATTRIBUTE_UNUSED
)
6688 c
= get_symbol_name (&name
);
6689 /* Make sure the given symbol exists. */
6690 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6692 as_bad (_("Cannot define export symbol: %s\n"), name
);
6693 restore_line_pointer (c
);
6694 input_line_pointer
++;
6698 /* OK. Set the external bits and process argument relocations.
6699 For the HP, weak and global are not mutually exclusive.
6700 S_SET_EXTERNAL will not set BSF_GLOBAL if WEAK is set.
6701 Call S_SET_EXTERNAL to get the other processing. Manually
6702 set BSF_GLOBAL when we get back. */
6703 S_SET_EXTERNAL (symbol
);
6704 symbol_get_bfdsym (symbol
)->flags
|= BSF_GLOBAL
;
6705 (void) restore_line_pointer (c
);
6706 if (!is_end_of_statement ())
6708 input_line_pointer
++;
6709 pa_type_args (symbol
, 1);
6713 demand_empty_rest_of_line ();
6716 /* Handle an .IMPORT pseudo-op. Any symbol referenced in a given
6717 assembly file must either be defined in the assembly file, or
6718 explicitly IMPORTED from another. */
6721 pa_import (int unused ATTRIBUTE_UNUSED
)
6726 c
= get_symbol_name (&name
);
6728 symbol
= symbol_find (name
);
6729 /* Ugh. We might be importing a symbol defined earlier in the file,
6730 in which case all the code below will really screw things up
6731 (set the wrong segment, symbol flags & type, etc). */
6732 if (symbol
== NULL
|| !S_IS_DEFINED (symbol
))
6734 symbol
= symbol_find_or_make (name
);
6735 (void) restore_line_pointer (c
);
6737 if (!is_end_of_statement ())
6739 input_line_pointer
++;
6740 pa_type_args (symbol
, 0);
6744 /* Sigh. To be compatible with the HP assembler and to help
6745 poorly written assembly code, we assign a type based on
6746 the current segment. Note only BSF_FUNCTION really
6747 matters, we do not need to set the full SYMBOL_TYPE_* info. */
6748 if (now_seg
== text_section
)
6749 symbol_get_bfdsym (symbol
)->flags
|= BSF_FUNCTION
;
6751 /* If the section is undefined, then the symbol is undefined
6752 Since this is an import, leave the section undefined. */
6753 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
6758 /* The symbol was already defined. Just eat everything up to
6759 the end of the current statement. */
6760 while (!is_end_of_statement ())
6761 input_line_pointer
++;
6764 demand_empty_rest_of_line ();
6767 /* Handle a .LABEL pseudo-op. */
6770 pa_label (int unused ATTRIBUTE_UNUSED
)
6774 c
= get_symbol_name (&name
);
6776 if (strlen (name
) > 0)
6779 (void) restore_line_pointer (c
);
6783 as_warn (_("Missing label name on .LABEL"));
6786 if (!is_end_of_statement ())
6788 as_warn (_("extra .LABEL arguments ignored."));
6789 ignore_rest_of_line ();
6791 demand_empty_rest_of_line ();
6794 /* Handle a .LEAVE pseudo-op. This is not supported yet. */
6797 pa_leave (int unused ATTRIBUTE_UNUSED
)
6800 /* We must have a valid space and subspace. */
6801 pa_check_current_space_and_subspace ();
6804 as_bad (_("The .LEAVE pseudo-op is not supported"));
6805 demand_empty_rest_of_line ();
6808 /* Handle a .LEVEL pseudo-op. */
6811 pa_level (int unused ATTRIBUTE_UNUSED
)
6815 level
= input_line_pointer
;
6816 if (strncmp (level
, "1.0", 3) == 0)
6818 input_line_pointer
+= 3;
6819 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 10))
6820 as_warn (_("could not set architecture and machine"));
6822 else if (strncmp (level
, "1.1", 3) == 0)
6824 input_line_pointer
+= 3;
6825 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 11))
6826 as_warn (_("could not set architecture and machine"));
6828 else if (strncmp (level
, "2.0w", 4) == 0)
6830 input_line_pointer
+= 4;
6831 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 25))
6832 as_warn (_("could not set architecture and machine"));
6834 else if (strncmp (level
, "2.0", 3) == 0)
6836 input_line_pointer
+= 3;
6837 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 20))
6838 as_warn (_("could not set architecture and machine"));
6842 as_bad (_("Unrecognized .LEVEL argument\n"));
6843 ignore_rest_of_line ();
6845 demand_empty_rest_of_line ();
6848 /* Handle a .ORIGIN pseudo-op. */
6851 pa_origin (int unused ATTRIBUTE_UNUSED
)
6854 /* We must have a valid space and subspace. */
6855 pa_check_current_space_and_subspace ();
6859 pa_undefine_label ();
6862 /* Handle a .PARAM pseudo-op. This is much like a .EXPORT, except it
6863 is for static functions. FIXME. Should share more code with .EXPORT. */
6866 pa_param (int unused ATTRIBUTE_UNUSED
)
6871 c
= get_symbol_name (&name
);
6873 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6875 as_bad (_("Cannot define static symbol: %s\n"), name
);
6876 (void) restore_line_pointer (c
);
6877 input_line_pointer
++;
6881 S_CLEAR_EXTERNAL (symbol
);
6882 (void) restore_line_pointer (c
);
6883 if (!is_end_of_statement ())
6885 input_line_pointer
++;
6886 pa_type_args (symbol
, 0);
6890 demand_empty_rest_of_line ();
6893 /* Handle a .PROC pseudo-op. It is used to mark the beginning
6894 of a procedure from a syntactical point of view. */
6897 pa_proc (int unused ATTRIBUTE_UNUSED
)
6899 struct call_info
*call_info
;
6902 /* We must have a valid space and subspace. */
6903 pa_check_current_space_and_subspace ();
6906 if (within_procedure
)
6907 as_fatal (_("Nested procedures"));
6909 /* Reset global variables for new procedure. */
6910 callinfo_found
= FALSE
;
6911 within_procedure
= TRUE
;
6913 /* Create another call_info structure. */
6914 call_info
= XNEW (struct call_info
);
6917 as_fatal (_("Cannot allocate unwind descriptor\n"));
6919 memset (call_info
, 0, sizeof (struct call_info
));
6921 call_info
->ci_next
= NULL
;
6923 if (call_info_root
== NULL
)
6925 call_info_root
= call_info
;
6926 last_call_info
= call_info
;
6930 last_call_info
->ci_next
= call_info
;
6931 last_call_info
= call_info
;
6934 /* set up defaults on call_info structure */
6936 call_info
->ci_unwind
.descriptor
.cannot_unwind
= 0;
6937 call_info
->ci_unwind
.descriptor
.region_desc
= 1;
6938 call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 0;
6940 /* If we got a .PROC pseudo-op, we know that the function is defined
6941 locally. Make sure it gets into the symbol table. */
6943 label_symbol_struct
*label_symbol
= pa_get_label ();
6947 if (label_symbol
->lss_label
)
6949 last_call_info
->start_symbol
= label_symbol
->lss_label
;
6950 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
|= BSF_FUNCTION
;
6953 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
6956 last_call_info
->start_symbol
= NULL
;
6959 demand_empty_rest_of_line ();
6962 /* Process the syntactical end of a procedure. Make sure all the
6963 appropriate pseudo-ops were found within the procedure. */
6966 pa_procend (int unused ATTRIBUTE_UNUSED
)
6969 /* We must have a valid space and subspace. */
6970 pa_check_current_space_and_subspace ();
6973 /* If we are within a procedure definition, make sure we've
6974 defined a label for the procedure; handle case where the
6975 label was defined after the .PROC directive.
6977 Note there's not need to diddle with the segment or fragment
6978 for the label symbol in this case. We have already switched
6979 into the new $CODE$ subspace at this point. */
6980 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
6982 label_symbol_struct
*label_symbol
= pa_get_label ();
6986 if (label_symbol
->lss_label
)
6988 last_call_info
->start_symbol
= label_symbol
->lss_label
;
6989 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
6992 /* Also handle allocation of a fixup to hold the unwind
6993 information when the label appears after the proc/procend. */
6994 if (within_entry_exit
)
6999 where
= frag_more (0);
7000 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
7001 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
7002 NULL
, (offsetT
) 0, NULL
,
7003 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
7008 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7011 as_bad (_("Missing function name for .PROC"));
7014 if (!within_procedure
)
7015 as_bad (_("misplaced .procend"));
7017 if (!callinfo_found
)
7018 as_bad (_("Missing .callinfo for this procedure"));
7020 if (within_entry_exit
)
7021 as_bad (_("Missing .EXIT for a .ENTRY"));
7024 /* ELF needs to mark the end of each function so that it can compute
7025 the size of the function (apparently it's needed in the symbol table). */
7026 hppa_elf_mark_end_of_function ();
7029 within_procedure
= FALSE
;
7030 demand_empty_rest_of_line ();
7031 pa_undefine_label ();
7035 /* If VALUE is an exact power of two between zero and 2^31, then
7036 return log2 (VALUE). Else return -1. */
7039 exact_log2 (int value
)
7043 while ((1 << shift
) != value
&& shift
< 32)
7052 /* Check to make sure we have a valid space and subspace. */
7055 pa_check_current_space_and_subspace (void)
7057 if (current_space
== NULL
)
7058 as_fatal (_("Not in a space.\n"));
7060 if (current_subspace
== NULL
)
7061 as_fatal (_("Not in a subspace.\n"));
7064 /* Parse the parameters to a .SPACE directive; if CREATE_FLAG is nonzero,
7065 then create a new space entry to hold the information specified
7066 by the parameters to the .SPACE directive. */
7068 static sd_chain_struct
*
7069 pa_parse_space_stmt (const char *space_name
, int create_flag
)
7071 char *name
, *ptemp
, c
;
7072 char loadable
, defined
, private, sort
;
7074 asection
*seg
= NULL
;
7075 sd_chain_struct
*space
;
7077 /* Load default values. */
7083 if (strcmp (space_name
, "$TEXT$") == 0)
7085 seg
= pa_def_spaces
[0].segment
;
7086 defined
= pa_def_spaces
[0].defined
;
7087 private = pa_def_spaces
[0].private;
7088 sort
= pa_def_spaces
[0].sort
;
7089 spnum
= pa_def_spaces
[0].spnum
;
7091 else if (strcmp (space_name
, "$PRIVATE$") == 0)
7093 seg
= pa_def_spaces
[1].segment
;
7094 defined
= pa_def_spaces
[1].defined
;
7095 private = pa_def_spaces
[1].private;
7096 sort
= pa_def_spaces
[1].sort
;
7097 spnum
= pa_def_spaces
[1].spnum
;
7100 if (!is_end_of_statement ())
7102 print_errors
= FALSE
;
7103 ptemp
= input_line_pointer
+ 1;
7104 /* First see if the space was specified as a number rather than
7105 as a name. According to the PA assembly manual the rest of
7106 the line should be ignored. */
7108 pa_parse_number (&ptemp
, 0);
7112 input_line_pointer
= ptemp
;
7116 while (!is_end_of_statement ())
7118 input_line_pointer
++;
7119 c
= get_symbol_name (&name
);
7120 if ((strncasecmp (name
, "spnum", 5) == 0))
7122 (void) restore_line_pointer (c
);
7123 input_line_pointer
++;
7124 spnum
= get_absolute_expression ();
7126 else if ((strncasecmp (name
, "sort", 4) == 0))
7128 (void) restore_line_pointer (c
);
7129 input_line_pointer
++;
7130 sort
= get_absolute_expression ();
7132 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7134 (void) restore_line_pointer (c
);
7137 else if ((strncasecmp (name
, "notdefined", 10) == 0))
7139 (void) restore_line_pointer (c
);
7142 else if ((strncasecmp (name
, "private", 7) == 0))
7144 (void) restore_line_pointer (c
);
7149 as_bad (_("Invalid .SPACE argument"));
7150 (void) restore_line_pointer (c
);
7151 if (!is_end_of_statement ())
7152 input_line_pointer
++;
7156 print_errors
= TRUE
;
7159 if (create_flag
&& seg
== NULL
)
7160 seg
= subseg_new (space_name
, 0);
7162 /* If create_flag is nonzero, then create the new space with
7163 the attributes computed above. Else set the values in
7164 an already existing space -- this can only happen for
7165 the first occurrence of a built-in space. */
7167 space
= create_new_space (space_name
, spnum
, loadable
, defined
,
7168 private, sort
, seg
, 1);
7171 space
= is_defined_space (space_name
);
7172 SPACE_SPNUM (space
) = spnum
;
7173 SPACE_DEFINED (space
) = defined
& 1;
7174 SPACE_USER_DEFINED (space
) = 1;
7177 #ifdef obj_set_section_attributes
7178 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7184 /* Handle a .SPACE pseudo-op; this switches the current space to the
7185 given space, creating the new space if necessary. */
7188 pa_space (int unused ATTRIBUTE_UNUSED
)
7190 char *name
, c
, *space_name
, *save_s
;
7191 sd_chain_struct
*sd_chain
;
7193 if (within_procedure
)
7195 as_bad (_("Can\'t change spaces within a procedure definition. Ignored"));
7196 ignore_rest_of_line ();
7200 /* Check for some of the predefined spaces. FIXME: most of the code
7201 below is repeated several times, can we extract the common parts
7202 and place them into a subroutine or something similar? */
7203 /* FIXME Is this (and the next IF stmt) really right?
7204 What if INPUT_LINE_POINTER points to "$TEXT$FOO"? */
7205 if (strncmp (input_line_pointer
, "$TEXT$", 6) == 0)
7207 input_line_pointer
+= 6;
7208 sd_chain
= is_defined_space ("$TEXT$");
7209 if (sd_chain
== NULL
)
7210 sd_chain
= pa_parse_space_stmt ("$TEXT$", 1);
7211 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7212 sd_chain
= pa_parse_space_stmt ("$TEXT$", 0);
7214 current_space
= sd_chain
;
7215 subseg_set (text_section
, sd_chain
->sd_last_subseg
);
7217 = pa_subsegment_to_subspace (text_section
,
7218 sd_chain
->sd_last_subseg
);
7219 demand_empty_rest_of_line ();
7222 if (strncmp (input_line_pointer
, "$PRIVATE$", 9) == 0)
7224 input_line_pointer
+= 9;
7225 sd_chain
= is_defined_space ("$PRIVATE$");
7226 if (sd_chain
== NULL
)
7227 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 1);
7228 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7229 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 0);
7231 current_space
= sd_chain
;
7232 subseg_set (data_section
, sd_chain
->sd_last_subseg
);
7234 = pa_subsegment_to_subspace (data_section
,
7235 sd_chain
->sd_last_subseg
);
7236 demand_empty_rest_of_line ();
7239 if (!strncasecmp (input_line_pointer
,
7240 GDB_DEBUG_SPACE_NAME
,
7241 strlen (GDB_DEBUG_SPACE_NAME
)))
7243 input_line_pointer
+= strlen (GDB_DEBUG_SPACE_NAME
);
7244 sd_chain
= is_defined_space (GDB_DEBUG_SPACE_NAME
);
7245 if (sd_chain
== NULL
)
7246 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 1);
7247 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7248 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 0);
7250 current_space
= sd_chain
;
7253 asection
*gdb_section
7254 = bfd_make_section_old_way (stdoutput
, GDB_DEBUG_SPACE_NAME
);
7256 subseg_set (gdb_section
, sd_chain
->sd_last_subseg
);
7258 = pa_subsegment_to_subspace (gdb_section
,
7259 sd_chain
->sd_last_subseg
);
7261 demand_empty_rest_of_line ();
7265 /* It could be a space specified by number. */
7267 save_s
= input_line_pointer
;
7269 pa_parse_number (&input_line_pointer
, 0);
7272 if ((sd_chain
= pa_find_space_by_number (pa_number
)))
7274 current_space
= sd_chain
;
7276 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7278 = pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7279 sd_chain
->sd_last_subseg
);
7280 demand_empty_rest_of_line ();
7285 /* Not a number, attempt to create a new space. */
7287 input_line_pointer
= save_s
;
7288 c
= get_symbol_name (&name
);
7289 space_name
= xstrdup (name
);
7290 (void) restore_line_pointer (c
);
7292 sd_chain
= pa_parse_space_stmt (space_name
, 1);
7293 current_space
= sd_chain
;
7295 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7296 current_subspace
= pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7297 sd_chain
->sd_last_subseg
);
7298 demand_empty_rest_of_line ();
7302 /* Switch to a new space. (I think). FIXME. */
7305 pa_spnum (int unused ATTRIBUTE_UNUSED
)
7310 sd_chain_struct
*space
;
7312 c
= get_symbol_name (&name
);
7313 space
= is_defined_space (name
);
7317 md_number_to_chars (p
, SPACE_SPNUM (space
), 4);
7320 as_warn (_("Undefined space: '%s' Assuming space number = 0."), name
);
7322 (void) restore_line_pointer (c
);
7323 demand_empty_rest_of_line ();
7326 /* Handle a .SUBSPACE pseudo-op; this switches the current subspace to the
7327 given subspace, creating the new subspace if necessary.
7329 FIXME. Should mirror pa_space more closely, in particular how
7330 they're broken up into subroutines. */
7333 pa_subspace (int create_new
)
7335 char *name
, *ss_name
, c
;
7336 char loadable
, code_only
, comdat
, common
, dup_common
, zero
, sort
;
7337 int i
, access_ctr
, space_index
, alignment
, quadrant
, applicable
, flags
;
7338 sd_chain_struct
*space
;
7339 ssd_chain_struct
*ssd
;
7342 if (current_space
== NULL
)
7343 as_fatal (_("Must be in a space before changing or declaring subspaces.\n"));
7345 if (within_procedure
)
7347 as_bad (_("Can\'t change subspaces within a procedure definition. Ignored"));
7348 ignore_rest_of_line ();
7352 c
= get_symbol_name (&name
);
7353 ss_name
= xstrdup (name
);
7354 (void) restore_line_pointer (c
);
7356 /* Load default values. */
7369 space
= current_space
;
7373 ssd
= is_defined_subspace (ss_name
);
7374 /* Allow user to override the builtin attributes of subspaces. But
7375 only allow the attributes to be changed once! */
7376 if (ssd
&& SUBSPACE_DEFINED (ssd
))
7378 subseg_set (ssd
->ssd_seg
, ssd
->ssd_subseg
);
7379 current_subspace
= ssd
;
7380 if (!is_end_of_statement ())
7381 as_warn (_("Parameters of an existing subspace can\'t be modified"));
7382 demand_empty_rest_of_line ();
7387 /* A new subspace. Load default values if it matches one of
7388 the builtin subspaces. */
7390 while (pa_def_subspaces
[i
].name
)
7392 if (strcasecmp (pa_def_subspaces
[i
].name
, ss_name
) == 0)
7394 loadable
= pa_def_subspaces
[i
].loadable
;
7395 comdat
= pa_def_subspaces
[i
].comdat
;
7396 common
= pa_def_subspaces
[i
].common
;
7397 dup_common
= pa_def_subspaces
[i
].dup_common
;
7398 code_only
= pa_def_subspaces
[i
].code_only
;
7399 zero
= pa_def_subspaces
[i
].zero
;
7400 space_index
= pa_def_subspaces
[i
].space_index
;
7401 alignment
= pa_def_subspaces
[i
].alignment
;
7402 quadrant
= pa_def_subspaces
[i
].quadrant
;
7403 access_ctr
= pa_def_subspaces
[i
].access
;
7404 sort
= pa_def_subspaces
[i
].sort
;
7411 /* We should be working with a new subspace now. Fill in
7412 any information as specified by the user. */
7413 if (!is_end_of_statement ())
7415 input_line_pointer
++;
7416 while (!is_end_of_statement ())
7418 c
= get_symbol_name (&name
);
7419 if ((strncasecmp (name
, "quad", 4) == 0))
7421 (void) restore_line_pointer (c
);
7422 input_line_pointer
++;
7423 quadrant
= get_absolute_expression ();
7425 else if ((strncasecmp (name
, "align", 5) == 0))
7427 (void) restore_line_pointer (c
);
7428 input_line_pointer
++;
7429 alignment
= get_absolute_expression ();
7430 if (exact_log2 (alignment
) == -1)
7432 as_bad (_("Alignment must be a power of 2"));
7436 else if ((strncasecmp (name
, "access", 6) == 0))
7438 (void) restore_line_pointer (c
);
7439 input_line_pointer
++;
7440 access_ctr
= get_absolute_expression ();
7442 else if ((strncasecmp (name
, "sort", 4) == 0))
7444 (void) restore_line_pointer (c
);
7445 input_line_pointer
++;
7446 sort
= get_absolute_expression ();
7448 else if ((strncasecmp (name
, "code_only", 9) == 0))
7450 (void) restore_line_pointer (c
);
7453 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7455 (void) restore_line_pointer (c
);
7458 else if ((strncasecmp (name
, "comdat", 6) == 0))
7460 (void) restore_line_pointer (c
);
7463 else if ((strncasecmp (name
, "common", 6) == 0))
7465 (void) restore_line_pointer (c
);
7468 else if ((strncasecmp (name
, "dup_comm", 8) == 0))
7470 (void) restore_line_pointer (c
);
7473 else if ((strncasecmp (name
, "zero", 4) == 0))
7475 (void) restore_line_pointer (c
);
7478 else if ((strncasecmp (name
, "first", 5) == 0))
7479 as_bad (_("FIRST not supported as a .SUBSPACE argument"));
7481 as_bad (_("Invalid .SUBSPACE argument"));
7483 if (!is_end_of_statement ())
7484 input_line_pointer
++;
7488 /* Compute a reasonable set of BFD flags based on the information
7489 in the .subspace directive. */
7490 applicable
= bfd_applicable_section_flags (stdoutput
);
7493 flags
|= (SEC_ALLOC
| SEC_LOAD
);
7497 /* These flags are used to implement various flavors of initialized
7498 common. The SOM linker discards duplicate subspaces when they
7499 have the same "key" symbol name. This support is more like
7500 GNU linkonce than BFD common. Further, pc-relative relocations
7501 are converted to section relative relocations in BFD common
7502 sections. This complicates the handling of relocations in
7503 common sections containing text and isn't currently supported
7504 correctly in the SOM BFD backend. */
7505 if (comdat
|| common
|| dup_common
)
7506 flags
|= SEC_LINK_ONCE
;
7508 flags
|= SEC_RELOC
| SEC_HAS_CONTENTS
;
7510 /* This is a zero-filled subspace (eg BSS). */
7512 flags
&= ~(SEC_LOAD
| SEC_HAS_CONTENTS
);
7514 applicable
&= flags
;
7516 /* If this is an existing subspace, then we want to use the
7517 segment already associated with the subspace.
7519 FIXME NOW! ELF BFD doesn't appear to be ready to deal with
7520 lots of sections. It might be a problem in the PA ELF
7521 code, I do not know yet. For now avoid creating anything
7522 but the "standard" sections for ELF. */
7524 section
= subseg_force_new (ss_name
, 0);
7526 section
= ssd
->ssd_seg
;
7528 section
= subseg_new (ss_name
, 0);
7531 seg_info (section
)->bss
= 1;
7533 /* Now set the flags. */
7534 bfd_set_section_flags (section
, applicable
);
7536 /* Record any alignment request for this section. */
7537 record_alignment (section
, exact_log2 (alignment
));
7539 /* Set the starting offset for this section. */
7540 bfd_set_section_vma (section
, pa_subspace_start (space
, quadrant
));
7542 /* Now that all the flags are set, update an existing subspace,
7543 or create a new one. */
7546 current_subspace
= update_subspace (space
, ss_name
, loadable
,
7547 code_only
, comdat
, common
,
7548 dup_common
, sort
, zero
, access_ctr
,
7549 space_index
, alignment
, quadrant
,
7552 current_subspace
= create_new_subspace (space
, ss_name
, loadable
,
7553 code_only
, comdat
, common
,
7554 dup_common
, zero
, sort
,
7555 access_ctr
, space_index
,
7556 alignment
, quadrant
, section
);
7558 demand_empty_rest_of_line ();
7559 current_subspace
->ssd_seg
= section
;
7560 subseg_set (current_subspace
->ssd_seg
, current_subspace
->ssd_subseg
);
7562 SUBSPACE_DEFINED (current_subspace
) = 1;
7565 /* Create default space and subspace dictionaries. */
7568 pa_spaces_begin (void)
7572 space_dict_root
= NULL
;
7573 space_dict_last
= NULL
;
7576 while (pa_def_spaces
[i
].name
)
7580 /* Pick the right name to use for the new section. */
7581 name
= pa_def_spaces
[i
].name
;
7583 pa_def_spaces
[i
].segment
= subseg_new (name
, 0);
7584 create_new_space (pa_def_spaces
[i
].name
, pa_def_spaces
[i
].spnum
,
7585 pa_def_spaces
[i
].loadable
, pa_def_spaces
[i
].defined
,
7586 pa_def_spaces
[i
].private, pa_def_spaces
[i
].sort
,
7587 pa_def_spaces
[i
].segment
, 0);
7592 while (pa_def_subspaces
[i
].name
)
7595 int applicable
, subsegment
;
7596 asection
*segment
= NULL
;
7597 sd_chain_struct
*space
;
7599 /* Pick the right name for the new section and pick the right
7600 subsegment number. */
7601 name
= pa_def_subspaces
[i
].name
;
7604 /* Create the new section. */
7605 segment
= subseg_new (name
, subsegment
);
7607 /* For SOM we want to replace the standard .text, .data, and .bss
7608 sections with our own. We also want to set BFD flags for
7609 all the built-in subspaces. */
7610 if (!strcmp (pa_def_subspaces
[i
].name
, "$CODE$"))
7612 text_section
= segment
;
7613 applicable
= bfd_applicable_section_flags (stdoutput
);
7614 bfd_set_section_flags (segment
,
7615 applicable
& (SEC_ALLOC
| SEC_LOAD
7616 | SEC_RELOC
| SEC_CODE
7618 | SEC_HAS_CONTENTS
));
7620 else if (!strcmp (pa_def_subspaces
[i
].name
, "$DATA$"))
7622 data_section
= segment
;
7623 applicable
= bfd_applicable_section_flags (stdoutput
);
7624 bfd_set_section_flags (segment
,
7625 applicable
& (SEC_ALLOC
| SEC_LOAD
7627 | SEC_HAS_CONTENTS
));
7630 else if (!strcmp (pa_def_subspaces
[i
].name
, "$BSS$"))
7632 bss_section
= segment
;
7633 applicable
= bfd_applicable_section_flags (stdoutput
);
7634 bfd_set_section_flags (segment
,
7635 applicable
& SEC_ALLOC
);
7637 else if (!strcmp (pa_def_subspaces
[i
].name
, "$LIT$"))
7639 applicable
= bfd_applicable_section_flags (stdoutput
);
7640 bfd_set_section_flags (segment
,
7641 applicable
& (SEC_ALLOC
| SEC_LOAD
7644 | SEC_HAS_CONTENTS
));
7646 else if (!strcmp (pa_def_subspaces
[i
].name
, "$MILLICODE$"))
7648 applicable
= bfd_applicable_section_flags (stdoutput
);
7649 bfd_set_section_flags (segment
,
7650 applicable
& (SEC_ALLOC
| SEC_LOAD
7653 | SEC_HAS_CONTENTS
));
7655 else if (!strcmp (pa_def_subspaces
[i
].name
, "$UNWIND$"))
7657 applicable
= bfd_applicable_section_flags (stdoutput
);
7658 bfd_set_section_flags (segment
,
7659 applicable
& (SEC_ALLOC
| SEC_LOAD
7662 | SEC_HAS_CONTENTS
));
7665 /* Find the space associated with this subspace. */
7666 space
= pa_segment_to_space (pa_def_spaces
[pa_def_subspaces
[i
].
7667 def_space_index
].segment
);
7670 as_fatal (_("Internal error: Unable to find containing space for %s."),
7671 pa_def_subspaces
[i
].name
);
7674 create_new_subspace (space
, name
,
7675 pa_def_subspaces
[i
].loadable
,
7676 pa_def_subspaces
[i
].code_only
,
7677 pa_def_subspaces
[i
].comdat
,
7678 pa_def_subspaces
[i
].common
,
7679 pa_def_subspaces
[i
].dup_common
,
7680 pa_def_subspaces
[i
].zero
,
7681 pa_def_subspaces
[i
].sort
,
7682 pa_def_subspaces
[i
].access
,
7683 pa_def_subspaces
[i
].space_index
,
7684 pa_def_subspaces
[i
].alignment
,
7685 pa_def_subspaces
[i
].quadrant
,
7691 /* Create a new space NAME, with the appropriate flags as defined
7692 by the given parameters. */
7694 static sd_chain_struct
*
7695 create_new_space (const char *name
,
7697 int loadable ATTRIBUTE_UNUSED
,
7704 sd_chain_struct
*chain_entry
;
7706 chain_entry
= XNEW (sd_chain_struct
);
7707 SPACE_NAME (chain_entry
) = xstrdup (name
);
7708 SPACE_DEFINED (chain_entry
) = defined
;
7709 SPACE_USER_DEFINED (chain_entry
) = user_defined
;
7710 SPACE_SPNUM (chain_entry
) = spnum
;
7712 chain_entry
->sd_seg
= seg
;
7713 chain_entry
->sd_last_subseg
= -1;
7714 chain_entry
->sd_subspaces
= NULL
;
7715 chain_entry
->sd_next
= NULL
;
7717 /* Find spot for the new space based on its sort key. */
7718 if (!space_dict_last
)
7719 space_dict_last
= chain_entry
;
7721 if (space_dict_root
== NULL
)
7722 space_dict_root
= chain_entry
;
7725 sd_chain_struct
*chain_pointer
;
7726 sd_chain_struct
*prev_chain_pointer
;
7728 chain_pointer
= space_dict_root
;
7729 prev_chain_pointer
= NULL
;
7731 while (chain_pointer
)
7733 prev_chain_pointer
= chain_pointer
;
7734 chain_pointer
= chain_pointer
->sd_next
;
7737 /* At this point we've found the correct place to add the new
7738 entry. So add it and update the linked lists as appropriate. */
7739 if (prev_chain_pointer
)
7741 chain_entry
->sd_next
= chain_pointer
;
7742 prev_chain_pointer
->sd_next
= chain_entry
;
7746 space_dict_root
= chain_entry
;
7747 chain_entry
->sd_next
= chain_pointer
;
7750 if (chain_entry
->sd_next
== NULL
)
7751 space_dict_last
= chain_entry
;
7754 /* This is here to catch predefined spaces which do not get
7755 modified by the user's input. Another call is found at
7756 the bottom of pa_parse_space_stmt to handle cases where
7757 the user modifies a predefined space. */
7758 #ifdef obj_set_section_attributes
7759 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7765 /* Create a new subspace NAME, with the appropriate flags as defined
7766 by the given parameters.
7768 Add the new subspace to the subspace dictionary chain in numerical
7769 order as defined by the SORT entries. */
7771 static ssd_chain_struct
*
7772 create_new_subspace (sd_chain_struct
*space
,
7774 int loadable ATTRIBUTE_UNUSED
,
7775 int code_only ATTRIBUTE_UNUSED
,
7779 int is_zero ATTRIBUTE_UNUSED
,
7782 int space_index ATTRIBUTE_UNUSED
,
7783 int alignment ATTRIBUTE_UNUSED
,
7787 ssd_chain_struct
*chain_entry
;
7789 chain_entry
= XNEW (ssd_chain_struct
);
7790 SUBSPACE_NAME (chain_entry
) = xstrdup (name
);
7792 /* Initialize subspace_defined. When we hit a .subspace directive
7793 we'll set it to 1 which "locks-in" the subspace attributes. */
7794 SUBSPACE_DEFINED (chain_entry
) = 0;
7796 chain_entry
->ssd_subseg
= 0;
7797 chain_entry
->ssd_seg
= seg
;
7798 chain_entry
->ssd_next
= NULL
;
7800 /* Find spot for the new subspace based on its sort key. */
7801 if (space
->sd_subspaces
== NULL
)
7802 space
->sd_subspaces
= chain_entry
;
7805 ssd_chain_struct
*chain_pointer
;
7806 ssd_chain_struct
*prev_chain_pointer
;
7808 chain_pointer
= space
->sd_subspaces
;
7809 prev_chain_pointer
= NULL
;
7811 while (chain_pointer
)
7813 prev_chain_pointer
= chain_pointer
;
7814 chain_pointer
= chain_pointer
->ssd_next
;
7817 /* Now we have somewhere to put the new entry. Insert it and update
7819 if (prev_chain_pointer
)
7821 chain_entry
->ssd_next
= chain_pointer
;
7822 prev_chain_pointer
->ssd_next
= chain_entry
;
7826 space
->sd_subspaces
= chain_entry
;
7827 chain_entry
->ssd_next
= chain_pointer
;
7831 #ifdef obj_set_subsection_attributes
7832 obj_set_subsection_attributes (seg
, space
->sd_seg
, access_ctr
, sort
,
7833 quadrant
, comdat
, common
, dup_common
);
7839 /* Update the information for the given subspace based upon the
7840 various arguments. Return the modified subspace chain entry. */
7842 static ssd_chain_struct
*
7843 update_subspace (sd_chain_struct
*space
,
7845 int loadable ATTRIBUTE_UNUSED
,
7846 int code_only ATTRIBUTE_UNUSED
,
7851 int zero ATTRIBUTE_UNUSED
,
7853 int space_index ATTRIBUTE_UNUSED
,
7854 int alignment ATTRIBUTE_UNUSED
,
7858 ssd_chain_struct
*chain_entry
;
7860 chain_entry
= is_defined_subspace (name
);
7862 #ifdef obj_set_subsection_attributes
7863 obj_set_subsection_attributes (section
, space
->sd_seg
, access_ctr
, sort
,
7864 quadrant
, comdat
, common
, dup_common
);
7870 /* Return the space chain entry for the space with the name NAME or
7871 NULL if no such space exists. */
7873 static sd_chain_struct
*
7874 is_defined_space (const char *name
)
7876 sd_chain_struct
*chain_pointer
;
7878 for (chain_pointer
= space_dict_root
;
7880 chain_pointer
= chain_pointer
->sd_next
)
7881 if (strcmp (SPACE_NAME (chain_pointer
), name
) == 0)
7882 return chain_pointer
;
7884 /* No mapping from segment to space was found. Return NULL. */
7888 /* Find and return the space associated with the given seg. If no mapping
7889 from the given seg to a space is found, then return NULL.
7891 Unlike subspaces, the number of spaces is not expected to grow much,
7892 so a linear exhaustive search is OK here. */
7894 static sd_chain_struct
*
7895 pa_segment_to_space (asection
*seg
)
7897 sd_chain_struct
*space_chain
;
7899 /* Walk through each space looking for the correct mapping. */
7900 for (space_chain
= space_dict_root
;
7902 space_chain
= space_chain
->sd_next
)
7903 if (space_chain
->sd_seg
== seg
)
7906 /* Mapping was not found. Return NULL. */
7910 /* Return the first space chain entry for the subspace with the name
7911 NAME or NULL if no such subspace exists.
7913 When there are multiple subspaces with the same name, switching to
7914 the first (i.e., default) subspace is preferable in most situations.
7915 For example, it wouldn't be desirable to merge COMDAT data with non
7918 Uses a linear search through all the spaces and subspaces, this may
7919 not be appropriate if we ever being placing each function in its
7922 static ssd_chain_struct
*
7923 is_defined_subspace (const char *name
)
7925 sd_chain_struct
*space_chain
;
7926 ssd_chain_struct
*subspace_chain
;
7928 /* Walk through each space. */
7929 for (space_chain
= space_dict_root
;
7931 space_chain
= space_chain
->sd_next
)
7933 /* Walk through each subspace looking for a name which matches. */
7934 for (subspace_chain
= space_chain
->sd_subspaces
;
7936 subspace_chain
= subspace_chain
->ssd_next
)
7937 if (strcmp (SUBSPACE_NAME (subspace_chain
), name
) == 0)
7938 return subspace_chain
;
7941 /* Subspace wasn't found. Return NULL. */
7945 /* Find and return the subspace associated with the given seg. If no
7946 mapping from the given seg to a subspace is found, then return NULL.
7948 If we ever put each procedure/function within its own subspace
7949 (to make life easier on the compiler and linker), then this will have
7950 to become more efficient. */
7952 static ssd_chain_struct
*
7953 pa_subsegment_to_subspace (asection
*seg
, subsegT subseg
)
7955 sd_chain_struct
*space_chain
;
7956 ssd_chain_struct
*subspace_chain
;
7958 /* Walk through each space. */
7959 for (space_chain
= space_dict_root
;
7961 space_chain
= space_chain
->sd_next
)
7963 if (space_chain
->sd_seg
== seg
)
7965 /* Walk through each subspace within each space looking for
7966 the correct mapping. */
7967 for (subspace_chain
= space_chain
->sd_subspaces
;
7969 subspace_chain
= subspace_chain
->ssd_next
)
7970 if (subspace_chain
->ssd_subseg
== (int) subseg
)
7971 return subspace_chain
;
7975 /* No mapping from subsegment to subspace found. Return NULL. */
7979 /* Given a number, try and find a space with the name number.
7981 Return a pointer to a space dictionary chain entry for the space
7982 that was found or NULL on failure. */
7984 static sd_chain_struct
*
7985 pa_find_space_by_number (int number
)
7987 sd_chain_struct
*space_chain
;
7989 for (space_chain
= space_dict_root
;
7991 space_chain
= space_chain
->sd_next
)
7993 if (SPACE_SPNUM (space_chain
) == (unsigned int) number
)
7997 /* No appropriate space found. Return NULL. */
8001 /* Return the starting address for the given subspace. If the starting
8002 address is unknown then return zero. */
8005 pa_subspace_start (sd_chain_struct
*space
, int quadrant
)
8007 /* FIXME. Assumes everyone puts read/write data at 0x4000000, this
8008 is not correct for the PA OSF1 port. */
8009 if ((strcmp (SPACE_NAME (space
), "$PRIVATE$") == 0) && quadrant
== 1)
8011 else if (space
->sd_seg
== data_section
&& quadrant
== 1)
8019 /* Helper function for pa_stringer. Used to find the end of
8023 pa_stringer_aux (char *s
)
8025 unsigned int c
= *s
& CHAR_MASK
;
8038 /* Handle a .STRING type pseudo-op. */
8041 pa_stringer (int append_zero
)
8043 char *s
, num_buf
[4];
8047 /* Preprocess the string to handle PA-specific escape sequences.
8048 For example, \xDD where DD is a hexadecimal number should be
8049 changed to \OOO where OOO is an octal number. */
8052 /* We must have a valid space and subspace. */
8053 pa_check_current_space_and_subspace ();
8056 /* Skip the opening quote. */
8057 s
= input_line_pointer
+ 1;
8059 while (is_a_char (c
= pa_stringer_aux (s
++)))
8066 /* Handle \x<num>. */
8069 unsigned int number
;
8074 /* Get past the 'x'. */
8076 for (num_digit
= 0, number
= 0, dg
= *s
;
8078 && (ISDIGIT (dg
) || (dg
>= 'a' && dg
<= 'f')
8079 || (dg
>= 'A' && dg
<= 'F'));
8083 number
= number
* 16 + dg
- '0';
8084 else if (dg
>= 'a' && dg
<= 'f')
8085 number
= number
* 16 + dg
- 'a' + 10;
8087 number
= number
* 16 + dg
- 'A' + 10;
8097 sprintf (num_buf
, "%02o", number
);
8100 sprintf (num_buf
, "%03o", number
);
8103 for (i
= 0; i
<= num_digit
; i
++)
8104 s_start
[i
] = num_buf
[i
];
8108 /* This might be a "\"", skip over the escaped char. */
8115 stringer (8 + append_zero
);
8116 pa_undefine_label ();
8119 /* Handle a .VERSION pseudo-op. */
8122 pa_version (int unused ATTRIBUTE_UNUSED
)
8125 pa_undefine_label ();
8130 /* Handle a .COMPILER pseudo-op. */
8133 pa_compiler (int unused ATTRIBUTE_UNUSED
)
8135 obj_som_compiler (0);
8136 pa_undefine_label ();
8141 /* Handle a .COPYRIGHT pseudo-op. */
8144 pa_copyright (int unused ATTRIBUTE_UNUSED
)
8147 pa_undefine_label ();
8150 /* Just like a normal cons, but when finished we have to undefine
8151 the latest space label. */
8154 pa_cons (int nbytes
)
8157 pa_undefine_label ();
8160 /* Like float_cons, but we need to undefine our label. */
8163 pa_float_cons (int float_type
)
8165 float_cons (float_type
);
8166 pa_undefine_label ();
8169 /* Like s_fill, but delete our label when finished. */
8172 pa_fill (int unused ATTRIBUTE_UNUSED
)
8175 /* We must have a valid space and subspace. */
8176 pa_check_current_space_and_subspace ();
8180 pa_undefine_label ();
8183 /* Like lcomm, but delete our label when finished. */
8186 pa_lcomm (int needs_align
)
8189 /* We must have a valid space and subspace. */
8190 pa_check_current_space_and_subspace ();
8193 s_lcomm (needs_align
);
8194 pa_undefine_label ();
8197 /* Like lsym, but delete our label when finished. */
8200 pa_lsym (int unused ATTRIBUTE_UNUSED
)
8203 /* We must have a valid space and subspace. */
8204 pa_check_current_space_and_subspace ();
8208 pa_undefine_label ();
8211 /* This function is called once, at assembler startup time. It should
8212 set up all the tables, etc. that the MD part of the assembler will need. */
8220 last_call_info
= NULL
;
8221 call_info_root
= NULL
;
8223 /* Set the default machine type. */
8224 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, DEFAULT_LEVEL
))
8225 as_warn (_("could not set architecture and machine"));
8227 /* Folding of text and data segments fails miserably on the PA.
8228 Warn user and disable "-R" option. */
8229 if (flag_readonly_data_in_text
)
8231 as_warn (_("-R option not supported on this target."));
8232 flag_readonly_data_in_text
= 0;
8239 op_hash
= str_htab_create ();
8241 while (i
< NUMOPCODES
)
8243 const char *name
= pa_opcodes
[i
].name
;
8245 str_hash_insert (op_hash
, name
, (void *)&pa_opcodes
[i
]);
8249 if ((pa_opcodes
[i
].match
& pa_opcodes
[i
].mask
)
8250 != pa_opcodes
[i
].match
)
8252 fprintf (stderr
, _("internal error: losing opcode: `%s' \"%s\"\n"),
8253 pa_opcodes
[i
].name
, pa_opcodes
[i
].args
);
8258 while (i
< NUMOPCODES
&& !strcmp (pa_opcodes
[i
].name
, name
));
8262 as_fatal (_("Broken assembler. No assembly attempted."));
8265 /* SOM will change text_section. To make sure we never put
8266 anything into the old one switch to the new one now. */
8267 subseg_set (text_section
, 0);
8271 dummy_symbol
= symbol_find_or_make ("L$dummy");
8272 S_SET_SEGMENT (dummy_symbol
, text_section
);
8273 /* Force the symbol to be converted to a real symbol. */
8274 symbol_get_bfdsym (dummy_symbol
)->flags
|= BSF_KEEP
;
8278 /* On the PA relocations which involve function symbols must not be
8279 adjusted. This so that the linker can know when/how to create argument
8280 relocation stubs for indirect calls and calls to static functions.
8282 "T" field selectors create DLT relative fixups for accessing
8283 globals and statics in PIC code; each DLT relative fixup creates
8284 an entry in the DLT table. The entries contain the address of
8285 the final target (eg accessing "foo" would create a DLT entry
8286 with the address of "foo").
8288 Unfortunately, the HP linker doesn't take into account any addend
8289 when generating the DLT; so accessing $LIT$+8 puts the address of
8290 $LIT$ into the DLT rather than the address of $LIT$+8.
8292 The end result is we can't perform relocation symbol reductions for
8293 any fixup which creates entries in the DLT (eg they use "T" field
8296 ??? Reject reductions involving symbols with external scope; such
8297 reductions make life a living hell for object file editors. */
8300 hppa_fix_adjustable (fixS
*fixp
)
8305 struct hppa_fix_struct
*hppa_fix
;
8307 hppa_fix
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8310 /* LR/RR selectors are implicitly used for a number of different relocation
8311 types. We must ensure that none of these types are adjusted (see below)
8312 even if they occur with a different selector. */
8313 code
= elf_hppa_reloc_final_type (stdoutput
,
8314 (int) fixp
->fx_r_type
,
8315 hppa_fix
->fx_r_format
,
8316 hppa_fix
->fx_r_field
);
8320 /* Relocation types which use e_lrsel. */
8321 case R_PARISC_DIR21L
:
8322 case R_PARISC_DLTREL21L
:
8323 case R_PARISC_DPREL21L
:
8324 case R_PARISC_PLTOFF21L
:
8326 /* Relocation types which use e_rrsel. */
8327 case R_PARISC_DIR14R
:
8328 case R_PARISC_DIR14DR
:
8329 case R_PARISC_DIR14WR
:
8330 case R_PARISC_DIR17R
:
8331 case R_PARISC_DLTREL14R
:
8332 case R_PARISC_DLTREL14DR
:
8333 case R_PARISC_DLTREL14WR
:
8334 case R_PARISC_DPREL14R
:
8335 case R_PARISC_DPREL14DR
:
8336 case R_PARISC_DPREL14WR
:
8337 case R_PARISC_PLTOFF14R
:
8338 case R_PARISC_PLTOFF14DR
:
8339 case R_PARISC_PLTOFF14WR
:
8341 /* Other types that we reject for reduction. */
8342 case R_PARISC_GNU_VTENTRY
:
8343 case R_PARISC_GNU_VTINHERIT
:
8350 /* Reject reductions of symbols in sym1-sym2 expressions when
8351 the fixup will occur in a CODE subspace.
8353 XXX FIXME: Long term we probably want to reject all of these;
8354 for example reducing in the debug section would lose if we ever
8355 supported using the optimizing hp linker. */
8358 && (hppa_fix
->segment
->flags
& SEC_CODE
))
8361 /* We can't adjust any relocs that use LR% and RR% field selectors.
8363 If a symbol is reduced to a section symbol, the assembler will
8364 adjust the addend unless the symbol happens to reside right at
8365 the start of the section. Additionally, the linker has no choice
8366 but to manipulate the addends when coalescing input sections for
8367 "ld -r". Since an LR% field selector is defined to round the
8368 addend, we can't change the addend without risking that a LR% and
8369 it's corresponding (possible multiple) RR% field will no longer
8370 sum to the right value.
8373 . ldil LR%foo+0,%r21
8374 . ldw RR%foo+0(%r21),%r26
8375 . ldw RR%foo+4(%r21),%r25
8377 If foo is at address 4092 (decimal) in section `sect', then after
8378 reducing to the section symbol we get
8379 . LR%sect+4092 == (L%sect)+0
8380 . RR%sect+4092 == (R%sect)+4092
8381 . RR%sect+4096 == (R%sect)-4096
8382 and the last address loses because rounding the addend to 8k
8383 multiples takes us up to 8192 with an offset of -4096.
8385 In cases where the LR% expression is identical to the RR% one we
8386 will never have a problem, but is so happens that gcc rounds
8387 addends involved in LR% field selectors to work around a HP
8388 linker bug. ie. We often have addresses like the last case
8389 above where the LR% expression is offset from the RR% one. */
8391 if (hppa_fix
->fx_r_field
== e_lrsel
8392 || hppa_fix
->fx_r_field
== e_rrsel
8393 || hppa_fix
->fx_r_field
== e_nlrsel
)
8396 /* Reject reductions of symbols in DLT relative relocs,
8397 relocations with plabels. */
8398 if (hppa_fix
->fx_r_field
== e_tsel
8399 || hppa_fix
->fx_r_field
== e_ltsel
8400 || hppa_fix
->fx_r_field
== e_rtsel
8401 || hppa_fix
->fx_r_field
== e_psel
8402 || hppa_fix
->fx_r_field
== e_rpsel
8403 || hppa_fix
->fx_r_field
== e_lpsel
)
8406 /* Reject absolute calls (jumps). */
8407 if (hppa_fix
->fx_r_type
== R_HPPA_ABS_CALL
)
8410 /* Reject reductions of function symbols. */
8411 if (fixp
->fx_addsy
!= 0 && S_IS_FUNCTION (fixp
->fx_addsy
))
8417 /* Return nonzero if the fixup in FIXP will require a relocation,
8418 even it if appears that the fixup could be completely handled
8422 hppa_force_relocation (struct fix
*fixp
)
8424 struct hppa_fix_struct
*hppa_fixp
;
8426 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8428 if (fixp
->fx_r_type
== (int) R_HPPA_ENTRY
8429 || fixp
->fx_r_type
== (int) R_HPPA_EXIT
8430 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_BRTAB
8431 || fixp
->fx_r_type
== (int) R_HPPA_END_BRTAB
8432 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_TRY
8433 || fixp
->fx_r_type
== (int) R_HPPA_END_TRY
8434 || (fixp
->fx_addsy
!= NULL
&& fixp
->fx_subsy
!= NULL
8435 && (hppa_fixp
->segment
->flags
& SEC_CODE
) != 0))
8439 if (fixp
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
8440 || fixp
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
)
8444 gas_assert (fixp
->fx_addsy
!= NULL
);
8446 /* Ensure we emit a relocation for global symbols so that dynamic
8448 if (S_FORCE_RELOC (fixp
->fx_addsy
, 1))
8451 /* It is necessary to force PC-relative calls/jumps to have a relocation
8452 entry if they're going to need either an argument relocation or long
8455 && arg_reloc_stub_needed (symbol_arg_reloc_info (fixp
->fx_addsy
),
8456 hppa_fixp
->fx_arg_reloc
))
8459 /* Now check to see if we're going to need a long-branch stub. */
8460 if (fixp
->fx_r_type
== (int) R_HPPA_PCREL_CALL
)
8462 long pc
= md_pcrel_from (fixp
);
8463 valueT distance
, min_stub_distance
;
8465 distance
= fixp
->fx_offset
+ S_GET_VALUE (fixp
->fx_addsy
) - pc
- 8;
8467 /* Distance to the closest possible stub. This will detect most
8468 but not all circumstances where a stub will not work. */
8469 min_stub_distance
= pc
+ 16;
8471 if (last_call_info
!= NULL
)
8472 min_stub_distance
-= S_GET_VALUE (last_call_info
->start_symbol
);
8475 if ((distance
+ 8388608 >= 16777216
8476 && min_stub_distance
<= 8388608)
8477 || (hppa_fixp
->fx_r_format
== 17
8478 && distance
+ 262144 >= 524288
8479 && min_stub_distance
<= 262144)
8480 || (hppa_fixp
->fx_r_format
== 12
8481 && distance
+ 8192 >= 16384
8482 && min_stub_distance
<= 8192)
8487 if (fixp
->fx_r_type
== (int) R_HPPA_ABS_CALL
)
8490 /* No need (yet) to force another relocations to be emitted. */
8494 /* Now for some ELF specific code. FIXME. */
8496 /* For ELF, this function serves one purpose: to setup the st_size
8497 field of STT_FUNC symbols. To do this, we need to scan the
8498 call_info structure list, determining st_size in by taking the
8499 difference in the address of the beginning/end marker symbols. */
8502 elf_hppa_final_processing (void)
8504 struct call_info
*call_info_pointer
;
8506 for (call_info_pointer
= call_info_root
;
8508 call_info_pointer
= call_info_pointer
->ci_next
)
8510 elf_symbol_type
*esym
8511 = ((elf_symbol_type
*)
8512 symbol_get_bfdsym (call_info_pointer
->start_symbol
));
8513 esym
->internal_elf_sym
.st_size
=
8514 S_GET_VALUE (call_info_pointer
->end_symbol
)
8515 - S_GET_VALUE (call_info_pointer
->start_symbol
) + 4;
8520 pa_vtable_entry (int ignore ATTRIBUTE_UNUSED
)
8522 struct fix
*new_fix
;
8524 new_fix
= obj_elf_get_vtable_entry ();
8528 struct hppa_fix_struct
* hppa_fix
= XOBNEW (¬es
, struct hppa_fix_struct
);
8530 hppa_fix
->fx_r_type
= R_HPPA
;
8531 hppa_fix
->fx_r_field
= e_fsel
;
8532 hppa_fix
->fx_r_format
= 32;
8533 hppa_fix
->fx_arg_reloc
= 0;
8534 hppa_fix
->segment
= now_seg
;
8535 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8536 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTENTRY
;
8541 pa_vtable_inherit (int ignore ATTRIBUTE_UNUSED
)
8543 struct fix
*new_fix
;
8545 new_fix
= obj_elf_get_vtable_inherit ();
8549 struct hppa_fix_struct
* hppa_fix
= XOBNEW (¬es
, struct hppa_fix_struct
);
8551 hppa_fix
->fx_r_type
= R_HPPA
;
8552 hppa_fix
->fx_r_field
= e_fsel
;
8553 hppa_fix
->fx_r_format
= 32;
8554 hppa_fix
->fx_arg_reloc
= 0;
8555 hppa_fix
->segment
= now_seg
;
8556 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8557 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTINHERIT
;
8562 /* Table of pseudo ops for the PA. FIXME -- how many of these
8563 are now redundant with the overall GAS and the object file
8564 dependent tables? */
8565 const pseudo_typeS md_pseudo_table
[] =
8567 /* align pseudo-ops on the PA specify the actual alignment requested,
8568 not the log2 of the requested alignment. */
8570 {"align", pa_align
, 8},
8573 {"align", s_align_bytes
, 8},
8575 {"begin_brtab", pa_brtab
, 1},
8576 {"begin_try", pa_try
, 1},
8577 {"block", pa_block
, 1},
8578 {"blockz", pa_block
, 0},
8579 {"byte", pa_cons
, 1},
8580 {"call", pa_call
, 0},
8581 {"callinfo", pa_callinfo
, 0},
8582 #if defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))
8583 {"code", obj_elf_text
, 0},
8585 {"code", pa_text
, 0},
8586 {"comm", pa_comm
, 0},
8589 {"compiler", pa_compiler
, 0},
8591 {"copyright", pa_copyright
, 0},
8592 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
8593 {"data", pa_data
, 0},
8595 {"double", pa_float_cons
, 'd'},
8596 {"dword", pa_cons
, 8},
8598 {"end_brtab", pa_brtab
, 0},
8599 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
8600 {"end_try", pa_try
, 0},
8602 {"enter", pa_enter
, 0},
8603 {"entry", pa_entry
, 0},
8605 {"exit", pa_exit
, 0},
8606 {"export", pa_export
, 0},
8607 {"fill", pa_fill
, 0},
8608 {"float", pa_float_cons
, 'f'},
8609 {"half", pa_cons
, 2},
8610 {"import", pa_import
, 0},
8611 {"int", pa_cons
, 4},
8612 {"label", pa_label
, 0},
8613 {"lcomm", pa_lcomm
, 0},
8614 {"leave", pa_leave
, 0},
8615 {"level", pa_level
, 0},
8616 {"long", pa_cons
, 4},
8617 {"lsym", pa_lsym
, 0},
8619 {"nsubspa", pa_subspace
, 1},
8621 {"octa", pa_cons
, 16},
8622 {"org", pa_origin
, 0},
8623 {"origin", pa_origin
, 0},
8624 {"param", pa_param
, 0},
8625 {"proc", pa_proc
, 0},
8626 {"procend", pa_procend
, 0},
8627 {"quad", pa_cons
, 8},
8629 {"short", pa_cons
, 2},
8630 {"single", pa_float_cons
, 'f'},
8632 {"space", pa_space
, 0},
8633 {"spnum", pa_spnum
, 0},
8635 {"string", pa_stringer
, 0},
8636 {"stringz", pa_stringer
, 1},
8638 {"subspa", pa_subspace
, 0},
8640 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
8641 {"text", pa_text
, 0},
8643 {"version", pa_version
, 0},
8645 {"vtable_entry", pa_vtable_entry
, 0},
8646 {"vtable_inherit", pa_vtable_inherit
, 0},
8648 {"word", pa_cons
, 4},
8654 hppa_cfi_frame_initial_instructions (void)
8656 cfi_add_CFA_def_cfa (30, 0);
8660 hppa_regname_to_dw2regnum (char *regname
)
8662 unsigned int regnum
= -1;
8666 static struct { const char *name
; int dw2regnum
; } regnames
[] =
8668 { "sp", 30 }, { "rp", 2 },
8671 for (i
= 0; i
< ARRAY_SIZE (regnames
); ++i
)
8672 if (strcmp (regnames
[i
].name
, regname
) == 0)
8673 return regnames
[i
].dw2regnum
;
8675 if (regname
[0] == 'r')
8678 regnum
= strtoul (p
, &q
, 10);
8679 if (p
== q
|| *q
|| regnum
>= 32)
8682 else if (regname
[0] == 'f' && regname
[1] == 'r')
8685 regnum
= strtoul (p
, &q
, 10);
8686 #if TARGET_ARCH_SIZE == 64
8687 if (p
== q
|| *q
|| regnum
<= 4 || regnum
>= 32)
8692 || (*q
&& ((*q
!= 'L' && *q
!= 'R') || *(q
+ 1)))
8693 || regnum
<= 4 || regnum
>= 32)
8695 regnum
= (regnum
- 4) * 2 + 32;