1 /* tc-hppa.c -- Assemble for the PA
2 Copyright 1989, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
3 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012
4 Free Software Foundation, Inc.
6 This file is part of GAS, the GNU Assembler.
8 GAS is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3, or (at your option)
13 GAS is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with GAS; see the file COPYING. If not, write to the Free
20 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
23 /* HP PA-RISC support was contributed by the Center for Software Science
24 at the University of Utah. */
27 #include "safe-ctype.h"
29 #include "dw2gencfi.h"
31 #include "bfd/libhppa.h"
33 /* Be careful, this file includes data *declarations*. */
34 #include "opcode/hppa.h"
36 #if defined (OBJ_ELF) && defined (OBJ_SOM)
37 error only one of OBJ_ELF
and OBJ_SOM can be defined
40 /* If we are using ELF, then we probably can support dwarf2 debug
41 records. Furthermore, if we are supporting dwarf2 debug records,
42 then we want to use the assembler support for compact line numbers. */
44 #include "dwarf2dbg.h"
46 /* A "convenient" place to put object file dependencies which do
47 not need to be seen outside of tc-hppa.c. */
49 /* Object file formats specify relocation types. */
50 typedef enum elf_hppa_reloc_type reloc_type
;
52 /* Object file formats specify BFD symbol types. */
53 typedef elf_symbol_type obj_symbol_type
;
54 #define symbol_arg_reloc_info(sym)\
55 (((obj_symbol_type *) symbol_get_bfdsym (sym))->tc_data.hppa_arg_reloc)
57 #if TARGET_ARCH_SIZE == 64
58 /* How to generate a relocation. */
59 #define hppa_gen_reloc_type _bfd_elf64_hppa_gen_reloc_type
60 #define elf_hppa_reloc_final_type elf64_hppa_reloc_final_type
62 #define hppa_gen_reloc_type _bfd_elf32_hppa_gen_reloc_type
63 #define elf_hppa_reloc_final_type elf32_hppa_reloc_final_type
66 /* ELF objects can have versions, but apparently do not have anywhere
67 to store a copyright string. */
68 #define obj_version obj_elf_version
69 #define obj_copyright obj_elf_version
71 #define UNWIND_SECTION_NAME ".PARISC.unwind"
75 /* Names of various debugging spaces/subspaces. */
76 #define GDB_DEBUG_SPACE_NAME "$GDB_DEBUG$"
77 #define GDB_STRINGS_SUBSPACE_NAME "$GDB_STRINGS$"
78 #define GDB_SYMBOLS_SUBSPACE_NAME "$GDB_SYMBOLS$"
79 #define UNWIND_SECTION_NAME "$UNWIND$"
81 /* Object file formats specify relocation types. */
82 typedef int reloc_type
;
84 /* SOM objects can have both a version string and a copyright string. */
85 #define obj_version obj_som_version
86 #define obj_copyright obj_som_copyright
88 /* How to generate a relocation. */
89 #define hppa_gen_reloc_type hppa_som_gen_reloc_type
91 /* Object file formats specify BFD symbol types. */
92 typedef som_symbol_type obj_symbol_type
;
93 #define symbol_arg_reloc_info(sym)\
94 (((obj_symbol_type *) symbol_get_bfdsym (sym))->tc_data.ap.hppa_arg_reloc)
96 /* This apparently isn't in older versions of hpux reloc.h. */
98 #define R_DLT_REL 0x78
110 #if TARGET_ARCH_SIZE == 64
111 #define DEFAULT_LEVEL 25
113 #define DEFAULT_LEVEL 10
116 /* Various structures and types used internally in tc-hppa.c. */
118 /* Unwind table and descriptor. FIXME: Sync this with GDB version. */
122 unsigned int cannot_unwind
:1;
123 unsigned int millicode
:1;
124 unsigned int millicode_save_rest
:1;
125 unsigned int region_desc
:2;
126 unsigned int save_sr
:2;
127 unsigned int entry_fr
:4;
128 unsigned int entry_gr
:5;
129 unsigned int args_stored
:1;
130 unsigned int call_fr
:5;
131 unsigned int call_gr
:5;
132 unsigned int save_sp
:1;
133 unsigned int save_rp
:1;
134 unsigned int save_rp_in_frame
:1;
135 unsigned int extn_ptr_defined
:1;
136 unsigned int cleanup_defined
:1;
138 unsigned int hpe_interrupt_marker
:1;
139 unsigned int hpux_interrupt_marker
:1;
140 unsigned int reserved
:3;
141 unsigned int frame_size
:27;
144 /* We can't rely on compilers placing bitfields in any particular
145 place, so use these macros when dumping unwind descriptors to
147 #define UNWIND_LOW32(U) \
148 (((U)->cannot_unwind << 31) \
149 | ((U)->millicode << 30) \
150 | ((U)->millicode_save_rest << 29) \
151 | ((U)->region_desc << 27) \
152 | ((U)->save_sr << 25) \
153 | ((U)->entry_fr << 21) \
154 | ((U)->entry_gr << 16) \
155 | ((U)->args_stored << 15) \
156 | ((U)->call_fr << 10) \
157 | ((U)->call_gr << 5) \
158 | ((U)->save_sp << 4) \
159 | ((U)->save_rp << 3) \
160 | ((U)->save_rp_in_frame << 2) \
161 | ((U)->extn_ptr_defined << 1) \
162 | ((U)->cleanup_defined << 0))
164 #define UNWIND_HIGH32(U) \
165 (((U)->hpe_interrupt_marker << 31) \
166 | ((U)->hpux_interrupt_marker << 30) \
167 | ((U)->frame_size << 0))
171 /* Starting and ending offsets of the region described by
173 unsigned int start_offset
;
174 unsigned int end_offset
;
175 struct unwind_desc descriptor
;
178 /* This structure is used by the .callinfo, .enter, .leave pseudo-ops to
179 control the entry and exit code they generate. It is also used in
180 creation of the correct stack unwind descriptors.
182 NOTE: GAS does not support .enter and .leave for the generation of
183 prologues and epilogues. FIXME.
185 The fields in structure roughly correspond to the arguments available on the
186 .callinfo pseudo-op. */
190 /* The unwind descriptor being built. */
191 struct unwind_table ci_unwind
;
193 /* Name of this function. */
194 symbolS
*start_symbol
;
196 /* (temporary) symbol used to mark the end of this function. */
199 /* Next entry in the chain. */
200 struct call_info
*ci_next
;
203 /* Operand formats for FP instructions. Note not all FP instructions
204 allow all four formats to be used (for example fmpysub only allows
208 SGL
, DBL
, ILLEGAL_FMT
, QUAD
, W
, UW
, DW
, UDW
, QW
, UQW
212 /* This fully describes the symbol types which may be attached to
213 an EXPORT or IMPORT directive. Only SOM uses this formation
214 (ELF has no need for it). */
218 SYMBOL_TYPE_ABSOLUTE
,
222 SYMBOL_TYPE_MILLICODE
,
224 SYMBOL_TYPE_PRI_PROG
,
225 SYMBOL_TYPE_SEC_PROG
,
229 /* This structure contains information needed to assemble
230 individual instructions. */
233 /* Holds the opcode after parsing by pa_ip. */
234 unsigned long opcode
;
236 /* Holds an expression associated with the current instruction. */
239 /* Does this instruction use PC-relative addressing. */
242 /* Floating point formats for operand1 and operand2. */
243 fp_operand_format fpof1
;
244 fp_operand_format fpof2
;
246 /* Whether or not we saw a truncation request on an fcnv insn. */
249 /* Holds the field selector for this instruction
250 (for example L%, LR%, etc). */
253 /* Holds any argument relocation bits associated with this
254 instruction. (instruction should be some sort of call). */
255 unsigned int arg_reloc
;
257 /* The format specification for this instruction. */
260 /* The relocation (if any) associated with this instruction. */
264 /* PA-89 floating point registers are arranged like this:
266 +--------------+--------------+
267 | 0 or 16L | 16 or 16R |
268 +--------------+--------------+
269 | 1 or 17L | 17 or 17R |
270 +--------------+--------------+
278 +--------------+--------------+
279 | 14 or 30L | 30 or 30R |
280 +--------------+--------------+
281 | 15 or 31L | 31 or 31R |
282 +--------------+--------------+ */
284 /* Additional information needed to build argument relocation stubs. */
287 /* The argument relocation specification. */
288 unsigned int arg_reloc
;
290 /* Number of arguments. */
291 unsigned int arg_count
;
295 /* This structure defines an entry in the subspace dictionary
298 struct subspace_dictionary_chain
300 /* Nonzero if this space has been defined by the user code. */
301 unsigned int ssd_defined
;
303 /* Name of this subspace. */
306 /* GAS segment and subsegment associated with this subspace. */
310 /* Next space in the subspace dictionary chain. */
311 struct subspace_dictionary_chain
*ssd_next
;
314 typedef struct subspace_dictionary_chain ssd_chain_struct
;
316 /* This structure defines an entry in the subspace dictionary
319 struct space_dictionary_chain
321 /* Nonzero if this space has been defined by the user code or
322 as a default space. */
323 unsigned int sd_defined
;
325 /* Nonzero if this spaces has been defined by the user code. */
326 unsigned int sd_user_defined
;
328 /* The space number (or index). */
329 unsigned int sd_spnum
;
331 /* The name of this subspace. */
334 /* GAS segment to which this subspace corresponds. */
337 /* Current subsegment number being used. */
340 /* The chain of subspaces contained within this space. */
341 ssd_chain_struct
*sd_subspaces
;
343 /* The next entry in the space dictionary chain. */
344 struct space_dictionary_chain
*sd_next
;
347 typedef struct space_dictionary_chain sd_chain_struct
;
349 /* This structure defines attributes of the default subspace
350 dictionary entries. */
352 struct default_subspace_dict
354 /* Name of the subspace. */
357 /* FIXME. Is this still needed? */
360 /* Nonzero if this subspace is loadable. */
363 /* Nonzero if this subspace contains only code. */
366 /* Nonzero if this is a comdat subspace. */
369 /* Nonzero if this is a common subspace. */
372 /* Nonzero if this is a common subspace which allows symbols
373 to be multiply defined. */
376 /* Nonzero if this subspace should be zero filled. */
379 /* Sort key for this subspace. */
382 /* Access control bits for this subspace. Can represent RWX access
383 as well as privilege level changes for gateways. */
386 /* Index of containing space. */
389 /* Alignment (in bytes) of this subspace. */
392 /* Quadrant within space where this subspace should be loaded. */
395 /* An index into the default spaces array. */
398 /* Subsegment associated with this subspace. */
402 /* This structure defines attributes of the default space
403 dictionary entries. */
405 struct default_space_dict
407 /* Name of the space. */
410 /* Space number. It is possible to identify spaces within
411 assembly code numerically! */
414 /* Nonzero if this space is loadable. */
417 /* Nonzero if this space is "defined". FIXME is still needed */
420 /* Nonzero if this space can not be shared. */
423 /* Sort key for this space. */
426 /* Segment associated with this space. */
431 /* Structure for previous label tracking. Needed so that alignments,
432 callinfo declarations, etc can be easily attached to a particular
434 typedef struct label_symbol_struct
436 struct symbol
*lss_label
;
438 sd_chain_struct
*lss_space
;
443 struct label_symbol_struct
*lss_next
;
447 /* Extra information needed to perform fixups (relocations) on the PA. */
448 struct hppa_fix_struct
450 /* The field selector. */
451 enum hppa_reloc_field_selector_type_alt fx_r_field
;
456 /* Format of fixup. */
459 /* Argument relocation bits. */
460 unsigned int fx_arg_reloc
;
462 /* The segment this fixup appears in. */
466 /* Structure to hold information about predefined registers. */
474 /* This structure defines the mapping from a FP condition string
475 to a condition number which can be recorded in an instruction. */
482 /* This structure defines a mapping from a field selector
483 string to a field selector type. */
484 struct selector_entry
490 /* Prototypes for functions local to tc-hppa.c. */
493 static void pa_check_current_space_and_subspace (void);
496 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
497 static void pa_text (int);
498 static void pa_data (int);
499 static void pa_comm (int);
502 static int exact_log2 (int);
503 static void pa_compiler (int);
504 static void pa_align (int);
505 static void pa_space (int);
506 static void pa_spnum (int);
507 static void pa_subspace (int);
508 static sd_chain_struct
*create_new_space (char *, int, int,
511 static ssd_chain_struct
*create_new_subspace (sd_chain_struct
*,
516 static ssd_chain_struct
*update_subspace (sd_chain_struct
*,
517 char *, int, int, int,
521 static sd_chain_struct
*is_defined_space (char *);
522 static ssd_chain_struct
*is_defined_subspace (char *);
523 static sd_chain_struct
*pa_segment_to_space (asection
*);
524 static ssd_chain_struct
*pa_subsegment_to_subspace (asection
*,
526 static sd_chain_struct
*pa_find_space_by_number (int);
527 static unsigned int pa_subspace_start (sd_chain_struct
*, int);
528 static sd_chain_struct
*pa_parse_space_stmt (char *, int);
531 /* File and globally scoped variable declarations. */
534 /* Root and final entry in the space chain. */
535 static sd_chain_struct
*space_dict_root
;
536 static sd_chain_struct
*space_dict_last
;
538 /* The current space and subspace. */
539 static sd_chain_struct
*current_space
;
540 static ssd_chain_struct
*current_subspace
;
543 /* Root of the call_info chain. */
544 static struct call_info
*call_info_root
;
546 /* The last call_info (for functions) structure
547 seen so it can be associated with fixups and
549 static struct call_info
*last_call_info
;
551 /* The last call description (for actual calls). */
552 static struct call_desc last_call_desc
;
554 /* handle of the OPCODE hash table */
555 static struct hash_control
*op_hash
= NULL
;
557 /* These characters can be suffixes of opcode names and they may be
558 followed by meaningful whitespace. We don't include `,' and `!'
559 as they never appear followed by meaningful whitespace. */
560 const char hppa_symbol_chars
[] = "*?=<>";
562 /* This array holds the chars that only start a comment at the beginning of
563 a line. If the line seems to have the form '# 123 filename'
564 .line and .file directives will appear in the pre-processed output.
566 Note that input_file.c hand checks for '#' at the beginning of the
567 first line of the input file. This is because the compiler outputs
568 #NO_APP at the beginning of its output.
570 Also note that C style comments will always work. */
571 const char line_comment_chars
[] = "#";
573 /* This array holds the chars that always start a comment. If the
574 pre-processor is disabled, these aren't very useful. */
575 const char comment_chars
[] = ";";
577 /* This array holds the characters which act as line separators. */
578 const char line_separator_chars
[] = "!";
580 /* Chars that can be used to separate mant from exp in floating point nums. */
581 const char EXP_CHARS
[] = "eE";
583 /* Chars that mean this number is a floating point constant.
584 As in 0f12.456 or 0d1.2345e12.
586 Be aware that MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT may have to be
587 changed in read.c. Ideally it shouldn't have to know about it
588 at all, but nothing is ideal around here. */
589 const char FLT_CHARS
[] = "rRsSfFdDxXpP";
591 static struct pa_it the_insn
;
593 /* Points to the end of an expression just parsed by get_expression
594 and friends. FIXME. This shouldn't be handled with a file-global
596 static char *expr_end
;
598 /* Nonzero if a .callinfo appeared within the current procedure. */
599 static int callinfo_found
;
601 /* Nonzero if the assembler is currently within a .entry/.exit pair. */
602 static int within_entry_exit
;
604 /* Nonzero if the assembler is currently within a procedure definition. */
605 static int within_procedure
;
607 /* Handle on structure which keep track of the last symbol
608 seen in each subspace. */
609 static label_symbol_struct
*label_symbols_rootp
= NULL
;
611 /* Holds the last field selector. */
612 static int hppa_field_selector
;
614 /* Nonzero when strict matching is enabled. Zero otherwise.
616 Each opcode in the table has a flag which indicates whether or
617 not strict matching should be enabled for that instruction.
619 Mainly, strict causes errors to be ignored when a match failure
620 occurs. However, it also affects the parsing of register fields
621 by pa_parse_number. */
624 /* pa_parse_number returns values in `pa_number'. Mostly
625 pa_parse_number is used to return a register number, with floating
626 point registers being numbered from FP_REG_BASE upwards.
627 The bit specified with FP_REG_RSEL is set if the floating point
628 register has a `r' suffix. */
629 #define FP_REG_BASE 64
630 #define FP_REG_RSEL 128
631 static int pa_number
;
634 /* A dummy bfd symbol so that all relocations have symbols of some kind. */
635 static symbolS
*dummy_symbol
;
638 /* Nonzero if errors are to be printed. */
639 static int print_errors
= 1;
641 /* List of registers that are pre-defined:
643 Each general register has one predefined name of the form
644 %r<REGNUM> which has the value <REGNUM>.
646 Space and control registers are handled in a similar manner,
647 but use %sr<REGNUM> and %cr<REGNUM> as their predefined names.
649 Likewise for the floating point registers, but of the form
650 %fr<REGNUM>. Floating point registers have additional predefined
651 names with 'L' and 'R' suffixes (e.g. %fr19L, %fr19R) which
652 again have the value <REGNUM>.
654 Many registers also have synonyms:
656 %r26 - %r23 have %arg0 - %arg3 as synonyms
657 %r28 - %r29 have %ret0 - %ret1 as synonyms
658 %fr4 - %fr7 have %farg0 - %farg3 as synonyms
659 %r30 has %sp as a synonym
660 %r27 has %dp as a synonym
661 %r2 has %rp as a synonym
663 Almost every control register has a synonym; they are not listed
666 The table is sorted. Suitable for searching by a binary search. */
668 static const struct pd_reg pre_defined_registers
[] =
702 {"%farg0", 4 + FP_REG_BASE
},
703 {"%farg1", 5 + FP_REG_BASE
},
704 {"%farg2", 6 + FP_REG_BASE
},
705 {"%farg3", 7 + FP_REG_BASE
},
706 {"%fr0", 0 + FP_REG_BASE
},
707 {"%fr0l", 0 + FP_REG_BASE
},
708 {"%fr0r", 0 + FP_REG_BASE
+ FP_REG_RSEL
},
709 {"%fr1", 1 + FP_REG_BASE
},
710 {"%fr10", 10 + FP_REG_BASE
},
711 {"%fr10l", 10 + FP_REG_BASE
},
712 {"%fr10r", 10 + FP_REG_BASE
+ FP_REG_RSEL
},
713 {"%fr11", 11 + FP_REG_BASE
},
714 {"%fr11l", 11 + FP_REG_BASE
},
715 {"%fr11r", 11 + FP_REG_BASE
+ FP_REG_RSEL
},
716 {"%fr12", 12 + FP_REG_BASE
},
717 {"%fr12l", 12 + FP_REG_BASE
},
718 {"%fr12r", 12 + FP_REG_BASE
+ FP_REG_RSEL
},
719 {"%fr13", 13 + FP_REG_BASE
},
720 {"%fr13l", 13 + FP_REG_BASE
},
721 {"%fr13r", 13 + FP_REG_BASE
+ FP_REG_RSEL
},
722 {"%fr14", 14 + FP_REG_BASE
},
723 {"%fr14l", 14 + FP_REG_BASE
},
724 {"%fr14r", 14 + FP_REG_BASE
+ FP_REG_RSEL
},
725 {"%fr15", 15 + FP_REG_BASE
},
726 {"%fr15l", 15 + FP_REG_BASE
},
727 {"%fr15r", 15 + FP_REG_BASE
+ FP_REG_RSEL
},
728 {"%fr16", 16 + FP_REG_BASE
},
729 {"%fr16l", 16 + FP_REG_BASE
},
730 {"%fr16r", 16 + FP_REG_BASE
+ FP_REG_RSEL
},
731 {"%fr17", 17 + FP_REG_BASE
},
732 {"%fr17l", 17 + FP_REG_BASE
},
733 {"%fr17r", 17 + FP_REG_BASE
+ FP_REG_RSEL
},
734 {"%fr18", 18 + FP_REG_BASE
},
735 {"%fr18l", 18 + FP_REG_BASE
},
736 {"%fr18r", 18 + FP_REG_BASE
+ FP_REG_RSEL
},
737 {"%fr19", 19 + FP_REG_BASE
},
738 {"%fr19l", 19 + FP_REG_BASE
},
739 {"%fr19r", 19 + FP_REG_BASE
+ FP_REG_RSEL
},
740 {"%fr1l", 1 + FP_REG_BASE
},
741 {"%fr1r", 1 + FP_REG_BASE
+ FP_REG_RSEL
},
742 {"%fr2", 2 + FP_REG_BASE
},
743 {"%fr20", 20 + FP_REG_BASE
},
744 {"%fr20l", 20 + FP_REG_BASE
},
745 {"%fr20r", 20 + FP_REG_BASE
+ FP_REG_RSEL
},
746 {"%fr21", 21 + FP_REG_BASE
},
747 {"%fr21l", 21 + FP_REG_BASE
},
748 {"%fr21r", 21 + FP_REG_BASE
+ FP_REG_RSEL
},
749 {"%fr22", 22 + FP_REG_BASE
},
750 {"%fr22l", 22 + FP_REG_BASE
},
751 {"%fr22r", 22 + FP_REG_BASE
+ FP_REG_RSEL
},
752 {"%fr23", 23 + FP_REG_BASE
},
753 {"%fr23l", 23 + FP_REG_BASE
},
754 {"%fr23r", 23 + FP_REG_BASE
+ FP_REG_RSEL
},
755 {"%fr24", 24 + FP_REG_BASE
},
756 {"%fr24l", 24 + FP_REG_BASE
},
757 {"%fr24r", 24 + FP_REG_BASE
+ FP_REG_RSEL
},
758 {"%fr25", 25 + FP_REG_BASE
},
759 {"%fr25l", 25 + FP_REG_BASE
},
760 {"%fr25r", 25 + FP_REG_BASE
+ FP_REG_RSEL
},
761 {"%fr26", 26 + FP_REG_BASE
},
762 {"%fr26l", 26 + FP_REG_BASE
},
763 {"%fr26r", 26 + FP_REG_BASE
+ FP_REG_RSEL
},
764 {"%fr27", 27 + FP_REG_BASE
},
765 {"%fr27l", 27 + FP_REG_BASE
},
766 {"%fr27r", 27 + FP_REG_BASE
+ FP_REG_RSEL
},
767 {"%fr28", 28 + FP_REG_BASE
},
768 {"%fr28l", 28 + FP_REG_BASE
},
769 {"%fr28r", 28 + FP_REG_BASE
+ FP_REG_RSEL
},
770 {"%fr29", 29 + FP_REG_BASE
},
771 {"%fr29l", 29 + FP_REG_BASE
},
772 {"%fr29r", 29 + FP_REG_BASE
+ FP_REG_RSEL
},
773 {"%fr2l", 2 + FP_REG_BASE
},
774 {"%fr2r", 2 + FP_REG_BASE
+ FP_REG_RSEL
},
775 {"%fr3", 3 + FP_REG_BASE
},
776 {"%fr30", 30 + FP_REG_BASE
},
777 {"%fr30l", 30 + FP_REG_BASE
},
778 {"%fr30r", 30 + FP_REG_BASE
+ FP_REG_RSEL
},
779 {"%fr31", 31 + FP_REG_BASE
},
780 {"%fr31l", 31 + FP_REG_BASE
},
781 {"%fr31r", 31 + FP_REG_BASE
+ FP_REG_RSEL
},
782 {"%fr3l", 3 + FP_REG_BASE
},
783 {"%fr3r", 3 + FP_REG_BASE
+ FP_REG_RSEL
},
784 {"%fr4", 4 + FP_REG_BASE
},
785 {"%fr4l", 4 + FP_REG_BASE
},
786 {"%fr4r", 4 + FP_REG_BASE
+ FP_REG_RSEL
},
787 {"%fr5", 5 + FP_REG_BASE
},
788 {"%fr5l", 5 + FP_REG_BASE
},
789 {"%fr5r", 5 + FP_REG_BASE
+ FP_REG_RSEL
},
790 {"%fr6", 6 + FP_REG_BASE
},
791 {"%fr6l", 6 + FP_REG_BASE
},
792 {"%fr6r", 6 + FP_REG_BASE
+ FP_REG_RSEL
},
793 {"%fr7", 7 + FP_REG_BASE
},
794 {"%fr7l", 7 + FP_REG_BASE
},
795 {"%fr7r", 7 + FP_REG_BASE
+ FP_REG_RSEL
},
796 {"%fr8", 8 + FP_REG_BASE
},
797 {"%fr8l", 8 + FP_REG_BASE
},
798 {"%fr8r", 8 + FP_REG_BASE
+ FP_REG_RSEL
},
799 {"%fr9", 9 + FP_REG_BASE
},
800 {"%fr9l", 9 + FP_REG_BASE
},
801 {"%fr9r", 9 + FP_REG_BASE
+ FP_REG_RSEL
},
810 #if TARGET_ARCH_SIZE == 64
886 /* This table is sorted by order of the length of the string. This is
887 so we check for <> before we check for <. If we had a <> and checked
888 for < first, we would get a false match. */
889 static const struct fp_cond_map fp_cond_map
[] =
925 static const struct selector_entry selector_table
[] =
950 /* default space and subspace dictionaries */
952 #define GDB_SYMBOLS GDB_SYMBOLS_SUBSPACE_NAME
953 #define GDB_STRINGS GDB_STRINGS_SUBSPACE_NAME
955 /* pre-defined subsegments (subspaces) for the HPPA. */
956 #define SUBSEG_CODE 0
958 #define SUBSEG_MILLI 2
959 #define SUBSEG_DATA 0
961 #define SUBSEG_UNWIND 3
962 #define SUBSEG_GDB_STRINGS 0
963 #define SUBSEG_GDB_SYMBOLS 1
965 static struct default_subspace_dict pa_def_subspaces
[] =
967 {"$CODE$", 1, 1, 1, 0, 0, 0, 0, 24, 0x2c, 0, 8, 0, 0, SUBSEG_CODE
},
968 {"$DATA$", 1, 1, 0, 0, 0, 0, 0, 24, 0x1f, 1, 8, 1, 1, SUBSEG_DATA
},
969 {"$LIT$", 1, 1, 0, 0, 0, 0, 0, 16, 0x2c, 0, 8, 0, 0, SUBSEG_LIT
},
970 {"$MILLICODE$", 1, 1, 0, 0, 0, 0, 0, 8, 0x2c, 0, 8, 0, 0, SUBSEG_MILLI
},
971 {"$BSS$", 1, 1, 0, 0, 0, 0, 1, 80, 0x1f, 1, 8, 1, 1, SUBSEG_BSS
},
972 {NULL
, 0, 1, 0, 0, 0, 0, 0, 255, 0x1f, 0, 4, 0, 0, 0}
975 static struct default_space_dict pa_def_spaces
[] =
977 {"$TEXT$", 0, 1, 1, 0, 8, ASEC_NULL
},
978 {"$PRIVATE$", 1, 1, 1, 1, 16, ASEC_NULL
},
979 {NULL
, 0, 0, 0, 0, 0, ASEC_NULL
}
982 /* Misc local definitions used by the assembler. */
984 /* These macros are used to maintain spaces/subspaces. */
985 #define SPACE_DEFINED(space_chain) (space_chain)->sd_defined
986 #define SPACE_USER_DEFINED(space_chain) (space_chain)->sd_user_defined
987 #define SPACE_SPNUM(space_chain) (space_chain)->sd_spnum
988 #define SPACE_NAME(space_chain) (space_chain)->sd_name
990 #define SUBSPACE_DEFINED(ss_chain) (ss_chain)->ssd_defined
991 #define SUBSPACE_NAME(ss_chain) (ss_chain)->ssd_name
994 /* Return nonzero if the string pointed to by S potentially represents
995 a right or left half of a FP register */
996 #define IS_R_SELECT(S) (*(S) == 'R' || *(S) == 'r')
997 #define IS_L_SELECT(S) (*(S) == 'L' || *(S) == 'l')
999 /* Store immediate values of shift/deposit/extract functions. */
1001 #define SAVE_IMMEDIATE(VALUE) \
1003 if (immediate_check) \
1007 else if (len == -1) \
1012 /* Insert FIELD into OPCODE starting at bit START. Continue pa_ip
1013 main loop after insertion. */
1015 #define INSERT_FIELD_AND_CONTINUE(OPCODE, FIELD, START) \
1017 ((OPCODE) |= (FIELD) << (START)); \
1021 /* Simple range checking for FIELD against HIGH and LOW bounds.
1022 IGNORE is used to suppress the error message. */
1024 #define CHECK_FIELD(FIELD, HIGH, LOW, IGNORE) \
1026 if ((FIELD) > (HIGH) || (FIELD) < (LOW)) \
1029 as_bad (_("Field out of range [%d..%d] (%d)."), (LOW), (HIGH), \
1035 /* Variant of CHECK_FIELD for use in md_apply_fix and other places where
1036 the current file and line number are not valid. */
1038 #define CHECK_FIELD_WHERE(FIELD, HIGH, LOW, FILENAME, LINE) \
1040 if ((FIELD) > (HIGH) || (FIELD) < (LOW)) \
1042 as_bad_where ((FILENAME), (LINE), \
1043 _("Field out of range [%d..%d] (%d)."), (LOW), (HIGH), \
1049 /* Simple alignment checking for FIELD against ALIGN (a power of two).
1050 IGNORE is used to suppress the error message. */
1052 #define CHECK_ALIGN(FIELD, ALIGN, IGNORE) \
1054 if ((FIELD) & ((ALIGN) - 1)) \
1057 as_bad (_("Field not properly aligned [%d] (%d)."), (ALIGN), \
1063 #define is_DP_relative(exp) \
1064 ((exp).X_op == O_subtract \
1065 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$global$") == 0)
1067 #define is_SB_relative(exp) \
1068 ((exp).X_op == O_subtract \
1069 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$segrel$") == 0)
1071 #define is_PC_relative(exp) \
1072 ((exp).X_op == O_subtract \
1073 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$PIC_pcrel$0") == 0)
1075 #define is_tls_gdidx(exp) \
1076 ((exp).X_op == O_subtract \
1077 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$tls_gdidx$") == 0)
1079 #define is_tls_ldidx(exp) \
1080 ((exp).X_op == O_subtract \
1081 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$tls_ldidx$") == 0)
1083 #define is_tls_dtpoff(exp) \
1084 ((exp).X_op == O_subtract \
1085 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$tls_dtpoff$") == 0)
1087 #define is_tls_ieoff(exp) \
1088 ((exp).X_op == O_subtract \
1089 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$tls_ieoff$") == 0)
1091 #define is_tls_leoff(exp) \
1092 ((exp).X_op == O_subtract \
1093 && strcmp (S_GET_NAME ((exp).X_op_symbol), "$tls_leoff$") == 0)
1095 /* We need some complex handling for stabs (sym1 - sym2). Luckily, we'll
1096 always be able to reduce the expression to a constant, so we don't
1097 need real complex handling yet. */
1098 #define is_complex(exp) \
1099 ((exp).X_op != O_constant && (exp).X_op != O_symbol)
1101 /* Actual functions to implement the PA specific code for the assembler. */
1103 /* Called before writing the object file. Make sure entry/exit and
1104 proc/procend pairs match. */
1109 if (within_entry_exit
)
1110 as_fatal (_("Missing .exit\n"));
1112 if (within_procedure
)
1113 as_fatal (_("Missing .procend\n"));
1116 /* Returns a pointer to the label_symbol_struct for the current space.
1117 or NULL if no label_symbol_struct exists for the current space. */
1119 static label_symbol_struct
*
1122 label_symbol_struct
*label_chain
;
1124 for (label_chain
= label_symbols_rootp
;
1126 label_chain
= label_chain
->lss_next
)
1129 if (current_space
== label_chain
->lss_space
&& label_chain
->lss_label
)
1133 if (now_seg
== label_chain
->lss_segment
&& label_chain
->lss_label
)
1141 /* Defines a label for the current space. If one is already defined,
1142 this function will replace it with the new label. */
1145 pa_define_label (symbolS
*symbol
)
1147 label_symbol_struct
*label_chain
= pa_get_label ();
1150 label_chain
->lss_label
= symbol
;
1153 /* Create a new label entry and add it to the head of the chain. */
1154 label_chain
= xmalloc (sizeof (label_symbol_struct
));
1155 label_chain
->lss_label
= symbol
;
1157 label_chain
->lss_space
= current_space
;
1160 label_chain
->lss_segment
= now_seg
;
1162 label_chain
->lss_next
= NULL
;
1164 if (label_symbols_rootp
)
1165 label_chain
->lss_next
= label_symbols_rootp
;
1167 label_symbols_rootp
= label_chain
;
1171 dwarf2_emit_label (symbol
);
1175 /* Removes a label definition for the current space.
1176 If there is no label_symbol_struct entry, then no action is taken. */
1179 pa_undefine_label (void)
1181 label_symbol_struct
*label_chain
;
1182 label_symbol_struct
*prev_label_chain
= NULL
;
1184 for (label_chain
= label_symbols_rootp
;
1186 label_chain
= label_chain
->lss_next
)
1190 && current_space
== label_chain
->lss_space
&& label_chain
->lss_label
1193 && now_seg
== label_chain
->lss_segment
&& label_chain
->lss_label
1197 /* Remove the label from the chain and free its memory. */
1198 if (prev_label_chain
)
1199 prev_label_chain
->lss_next
= label_chain
->lss_next
;
1201 label_symbols_rootp
= label_chain
->lss_next
;
1206 prev_label_chain
= label_chain
;
1210 /* An HPPA-specific version of fix_new. This is required because the HPPA
1211 code needs to keep track of some extra stuff. Each call to fix_new_hppa
1212 results in the creation of an instance of an hppa_fix_struct. An
1213 hppa_fix_struct stores the extra information along with a pointer to the
1214 original fixS. This is attached to the original fixup via the
1215 tc_fix_data field. */
1218 fix_new_hppa (fragS
*frag
,
1221 symbolS
*add_symbol
,
1225 bfd_reloc_code_real_type r_type
,
1226 enum hppa_reloc_field_selector_type_alt r_field
,
1228 unsigned int arg_reloc
,
1229 int unwind_bits ATTRIBUTE_UNUSED
)
1232 struct hppa_fix_struct
*hppa_fix
= obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
1235 new_fix
= fix_new_exp (frag
, where
, size
, exp
, pcrel
, r_type
);
1237 new_fix
= fix_new (frag
, where
, size
, add_symbol
, offset
, pcrel
, r_type
);
1238 new_fix
->tc_fix_data
= (void *) hppa_fix
;
1239 hppa_fix
->fx_r_type
= r_type
;
1240 hppa_fix
->fx_r_field
= r_field
;
1241 hppa_fix
->fx_r_format
= r_format
;
1242 hppa_fix
->fx_arg_reloc
= arg_reloc
;
1243 hppa_fix
->segment
= now_seg
;
1245 if (r_type
== R_ENTRY
|| r_type
== R_EXIT
)
1246 new_fix
->fx_offset
= unwind_bits
;
1249 /* foo-$global$ is used to access non-automatic storage. $global$
1250 is really just a marker and has served its purpose, so eliminate
1251 it now so as not to confuse write.c. Ditto for $PIC_pcrel$0. */
1252 if (new_fix
->fx_subsy
1253 && (strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$global$") == 0
1254 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$segrel$") == 0
1255 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$PIC_pcrel$0") == 0
1256 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$tls_gdidx$") == 0
1257 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$tls_ldidx$") == 0
1258 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$tls_dtpoff$") == 0
1259 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$tls_ieoff$") == 0
1260 || strcmp (S_GET_NAME (new_fix
->fx_subsy
), "$tls_leoff$") == 0))
1261 new_fix
->fx_subsy
= NULL
;
1264 /* This fix_new is called by cons via TC_CONS_FIX_NEW.
1265 hppa_field_selector is set by the parse_cons_expression_hppa. */
1268 cons_fix_new_hppa (fragS
*frag
, int where
, int size
, expressionS
*exp
)
1270 unsigned int rel_type
;
1272 /* Get a base relocation type. */
1273 if (is_DP_relative (*exp
))
1274 rel_type
= R_HPPA_GOTOFF
;
1275 else if (is_PC_relative (*exp
))
1276 rel_type
= R_HPPA_PCREL_CALL
;
1278 else if (is_SB_relative (*exp
))
1279 rel_type
= R_PARISC_SEGREL32
;
1280 else if (is_tls_gdidx (*exp
))
1281 rel_type
= R_PARISC_TLS_GD21L
;
1282 else if (is_tls_ldidx (*exp
))
1283 rel_type
= R_PARISC_TLS_LDM21L
;
1284 else if (is_tls_dtpoff (*exp
))
1285 rel_type
= R_PARISC_TLS_LDO21L
;
1286 else if (is_tls_ieoff (*exp
))
1287 rel_type
= R_PARISC_TLS_IE21L
;
1288 else if (is_tls_leoff (*exp
))
1289 rel_type
= R_PARISC_TLS_LE21L
;
1291 else if (is_complex (*exp
))
1292 rel_type
= R_HPPA_COMPLEX
;
1296 if (hppa_field_selector
!= e_psel
&& hppa_field_selector
!= e_fsel
)
1298 as_warn (_("Invalid field selector. Assuming F%%."));
1299 hppa_field_selector
= e_fsel
;
1302 fix_new_hppa (frag
, where
, size
,
1303 (symbolS
*) NULL
, (offsetT
) 0, exp
, 0, rel_type
,
1304 hppa_field_selector
, size
* 8, 0, 0);
1306 /* Reset field selector to its default state. */
1307 hppa_field_selector
= 0;
1310 /* Mark (via expr_end) the end of an expression (I think). FIXME. */
1313 get_expression (char *str
)
1318 save_in
= input_line_pointer
;
1319 input_line_pointer
= str
;
1320 seg
= expression (&the_insn
.exp
);
1321 if (!(seg
== absolute_section
1322 || seg
== undefined_section
1323 || SEG_NORMAL (seg
)))
1325 as_warn (_("Bad segment in expression."));
1326 expr_end
= input_line_pointer
;
1327 input_line_pointer
= save_in
;
1330 expr_end
= input_line_pointer
;
1331 input_line_pointer
= save_in
;
1334 /* Parse a PA nullification completer (,n). Return nonzero if the
1335 completer was found; return zero if no completer was found. */
1338 pa_parse_nullif (char **s
)
1346 if (strncasecmp (*s
, "n", 1) == 0)
1350 as_bad (_("Invalid Nullification: (%c)"), **s
);
1360 md_atof (int type
, char *litP
, int *sizeP
)
1362 return ieee_md_atof (type
, litP
, sizeP
, TRUE
);
1365 /* Write out big-endian. */
1368 md_number_to_chars (char *buf
, valueT val
, int n
)
1370 number_to_chars_bigendian (buf
, val
, n
);
1373 /* Translate internal representation of relocation info to BFD target
1377 tc_gen_reloc (asection
*section
, fixS
*fixp
)
1380 struct hppa_fix_struct
*hppa_fixp
;
1381 static arelent
*no_relocs
= NULL
;
1388 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
1389 if (fixp
->fx_addsy
== 0)
1392 gas_assert (hppa_fixp
!= 0);
1393 gas_assert (section
!= 0);
1395 reloc
= xmalloc (sizeof (arelent
));
1397 reloc
->sym_ptr_ptr
= xmalloc (sizeof (asymbol
*));
1398 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
1400 /* Allow fixup_segment to recognize hand-written pc-relative relocations.
1401 When we went through cons_fix_new_hppa, we classified them as complex. */
1402 /* ??? It might be better to hide this +8 stuff in tc_cfi_emit_pcrel_expr,
1403 undefine DIFF_EXPR_OK, and let these sorts of complex expressions fail
1404 when R_HPPA_COMPLEX == R_PARISC_UNIMPLEMENTED. */
1405 if (fixp
->fx_r_type
== (bfd_reloc_code_real_type
) R_HPPA_COMPLEX
1408 fixp
->fx_r_type
= R_HPPA_PCREL_CALL
;
1409 fixp
->fx_offset
+= 8;
1412 codes
= hppa_gen_reloc_type (stdoutput
,
1414 hppa_fixp
->fx_r_format
,
1415 hppa_fixp
->fx_r_field
,
1416 fixp
->fx_subsy
!= NULL
,
1417 symbol_get_bfdsym (fixp
->fx_addsy
));
1421 as_bad_where (fixp
->fx_file
, fixp
->fx_line
, _("Cannot handle fixup"));
1425 for (n_relocs
= 0; codes
[n_relocs
]; n_relocs
++)
1428 relocs
= xmalloc (sizeof (arelent
*) * n_relocs
+ 1);
1429 reloc
= xmalloc (sizeof (arelent
) * n_relocs
);
1430 for (i
= 0; i
< n_relocs
; i
++)
1431 relocs
[i
] = &reloc
[i
];
1433 relocs
[n_relocs
] = NULL
;
1436 switch (fixp
->fx_r_type
)
1439 gas_assert (n_relocs
== 1);
1443 /* Now, do any processing that is dependent on the relocation type. */
1446 case R_PARISC_DLTREL21L
:
1447 case R_PARISC_DLTREL14R
:
1448 case R_PARISC_DLTREL14F
:
1449 case R_PARISC_PLABEL32
:
1450 case R_PARISC_PLABEL21L
:
1451 case R_PARISC_PLABEL14R
:
1452 /* For plabel relocations, the addend of the
1453 relocation should be either 0 (no static link) or 2
1454 (static link required). This adjustment is done in
1455 bfd/elf32-hppa.c:elf32_hppa_relocate_section.
1457 We also slam a zero addend into the DLT relative relocs;
1458 it doesn't make a lot of sense to use any addend since
1459 it gets you a different (eg unknown) DLT entry. */
1463 #ifdef ELF_ARG_RELOC
1464 case R_PARISC_PCREL17R
:
1465 case R_PARISC_PCREL17F
:
1466 case R_PARISC_PCREL17C
:
1467 case R_PARISC_DIR17R
:
1468 case R_PARISC_DIR17F
:
1469 case R_PARISC_PCREL21L
:
1470 case R_PARISC_DIR21L
:
1471 reloc
->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
,
1476 case R_PARISC_DIR32
:
1477 /* Facilitate hand-crafted unwind info. */
1478 if (strcmp (section
->name
, UNWIND_SECTION_NAME
) == 0)
1479 code
= R_PARISC_SEGREL32
;
1483 reloc
->addend
= fixp
->fx_offset
;
1487 reloc
->sym_ptr_ptr
= xmalloc (sizeof (asymbol
*));
1488 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
1489 reloc
->howto
= bfd_reloc_type_lookup (stdoutput
,
1490 (bfd_reloc_code_real_type
) code
);
1491 reloc
->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
1493 gas_assert (reloc
->howto
&& (unsigned int) code
== reloc
->howto
->type
);
1498 /* Walk over reach relocation returned by the BFD backend. */
1499 for (i
= 0; i
< n_relocs
; i
++)
1503 relocs
[i
]->sym_ptr_ptr
= xmalloc (sizeof (asymbol
*));
1504 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
1506 bfd_reloc_type_lookup (stdoutput
,
1507 (bfd_reloc_code_real_type
) code
);
1508 relocs
[i
]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
1513 /* The only time we ever use a R_COMP2 fixup is for the difference
1514 of two symbols. With that in mind we fill in all four
1515 relocs now and break out of the loop. */
1516 gas_assert (i
== 1);
1517 relocs
[0]->sym_ptr_ptr
1518 = (asymbol
**) bfd_abs_section_ptr
->symbol_ptr_ptr
;
1520 = bfd_reloc_type_lookup (stdoutput
,
1521 (bfd_reloc_code_real_type
) *codes
[0]);
1522 relocs
[0]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
1523 relocs
[0]->addend
= 0;
1524 relocs
[1]->sym_ptr_ptr
= xmalloc (sizeof (asymbol
*));
1525 *relocs
[1]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
1527 = bfd_reloc_type_lookup (stdoutput
,
1528 (bfd_reloc_code_real_type
) *codes
[1]);
1529 relocs
[1]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
1530 relocs
[1]->addend
= 0;
1531 relocs
[2]->sym_ptr_ptr
= xmalloc (sizeof (asymbol
*));
1532 *relocs
[2]->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_subsy
);
1534 = bfd_reloc_type_lookup (stdoutput
,
1535 (bfd_reloc_code_real_type
) *codes
[2]);
1536 relocs
[2]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
1537 relocs
[2]->addend
= 0;
1538 relocs
[3]->sym_ptr_ptr
1539 = (asymbol
**) bfd_abs_section_ptr
->symbol_ptr_ptr
;
1541 = bfd_reloc_type_lookup (stdoutput
,
1542 (bfd_reloc_code_real_type
) *codes
[3]);
1543 relocs
[3]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
1544 relocs
[3]->addend
= 0;
1545 relocs
[4]->sym_ptr_ptr
1546 = (asymbol
**) bfd_abs_section_ptr
->symbol_ptr_ptr
;
1548 = bfd_reloc_type_lookup (stdoutput
,
1549 (bfd_reloc_code_real_type
) *codes
[4]);
1550 relocs
[4]->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
1551 relocs
[4]->addend
= 0;
1555 relocs
[i
]->addend
= HPPA_R_ADDEND (hppa_fixp
->fx_arg_reloc
, 0);
1561 /* For plabel relocations, the addend of the
1562 relocation should be either 0 (no static link) or 2
1563 (static link required).
1565 FIXME: We always assume no static link!
1567 We also slam a zero addend into the DLT relative relocs;
1568 it doesn't make a lot of sense to use any addend since
1569 it gets you a different (eg unknown) DLT entry. */
1570 relocs
[i
]->addend
= 0;
1585 /* There is no symbol or addend associated with these fixups. */
1586 relocs
[i
]->sym_ptr_ptr
= xmalloc (sizeof (asymbol
*));
1587 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
1588 relocs
[i
]->addend
= 0;
1594 /* There is no symbol associated with these fixups. */
1595 relocs
[i
]->sym_ptr_ptr
= xmalloc (sizeof (asymbol
*));
1596 *relocs
[i
]->sym_ptr_ptr
= symbol_get_bfdsym (dummy_symbol
);
1597 relocs
[i
]->addend
= fixp
->fx_offset
;
1601 relocs
[i
]->addend
= fixp
->fx_offset
;
1611 /* Process any machine dependent frag types. */
1614 md_convert_frag (bfd
*abfd ATTRIBUTE_UNUSED
,
1615 asection
*sec ATTRIBUTE_UNUSED
,
1618 unsigned int address
;
1620 if (fragP
->fr_type
== rs_machine_dependent
)
1622 switch ((int) fragP
->fr_subtype
)
1625 fragP
->fr_type
= rs_fill
;
1626 know (fragP
->fr_var
== 1);
1627 know (fragP
->fr_next
);
1628 address
= fragP
->fr_address
+ fragP
->fr_fix
;
1629 if (address
% fragP
->fr_offset
)
1632 fragP
->fr_next
->fr_address
1637 fragP
->fr_offset
= 0;
1643 /* Round up a section size to the appropriate boundary. */
1646 md_section_align (asection
*segment
, valueT size
)
1648 int align
= bfd_get_section_alignment (stdoutput
, segment
);
1649 int align2
= (1 << align
) - 1;
1651 return (size
+ align2
) & ~align2
;
1654 /* Return the approximate size of a frag before relaxation has occurred. */
1657 md_estimate_size_before_relax (fragS
*fragP
, asection
*segment ATTRIBUTE_UNUSED
)
1663 while ((fragP
->fr_fix
+ size
) % fragP
->fr_offset
)
1670 # ifdef WARN_COMMENTS
1671 const char *md_shortopts
= "Vc";
1673 const char *md_shortopts
= "V";
1676 # ifdef WARN_COMMENTS
1677 const char *md_shortopts
= "c";
1679 const char *md_shortopts
= "";
1683 struct option md_longopts
[] =
1685 #ifdef WARN_COMMENTS
1686 {"warn-comment", no_argument
, NULL
, 'c'},
1688 {NULL
, no_argument
, NULL
, 0}
1690 size_t md_longopts_size
= sizeof (md_longopts
);
1693 md_parse_option (int c
, char *arg ATTRIBUTE_UNUSED
)
1702 print_version_id ();
1705 #ifdef WARN_COMMENTS
1716 md_show_usage (FILE *stream ATTRIBUTE_UNUSED
)
1719 fprintf (stream
, _("\
1722 #ifdef WARN_COMMENTS
1723 fprintf (stream
, _("\
1724 -c print a warning if a comment is found\n"));
1728 /* We have no need to default values of symbols. */
1731 md_undefined_symbol (char *name ATTRIBUTE_UNUSED
)
1736 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
1737 #define nonzero_dibits(x) \
1738 ((x) | (((x) & 0x55555555) << 1) | (((x) & 0xAAAAAAAA) >> 1))
1739 #define arg_reloc_stub_needed(CALLER, CALLEE) \
1740 (((CALLER) ^ (CALLEE)) & nonzero_dibits (CALLER) & nonzero_dibits (CALLEE))
1742 #define arg_reloc_stub_needed(CALLER, CALLEE) 0
1745 /* Apply a fixup to an instruction. */
1748 md_apply_fix (fixS
*fixP
, valueT
*valP
, segT seg ATTRIBUTE_UNUSED
)
1751 struct hppa_fix_struct
*hppa_fixP
;
1755 /* SOM uses R_HPPA_ENTRY and R_HPPA_EXIT relocations which can
1756 never be "applied" (they are just markers). Likewise for
1757 R_HPPA_BEGIN_BRTAB and R_HPPA_END_BRTAB. */
1759 if (fixP
->fx_r_type
== R_HPPA_ENTRY
1760 || fixP
->fx_r_type
== R_HPPA_EXIT
1761 || fixP
->fx_r_type
== R_HPPA_BEGIN_BRTAB
1762 || fixP
->fx_r_type
== R_HPPA_END_BRTAB
1763 || fixP
->fx_r_type
== R_HPPA_BEGIN_TRY
)
1766 /* Disgusting. We must set fx_offset ourselves -- R_HPPA_END_TRY
1767 fixups are considered not adjustable, which in turn causes
1768 adjust_reloc_syms to not set fx_offset. Ugh. */
1769 if (fixP
->fx_r_type
== R_HPPA_END_TRY
)
1771 fixP
->fx_offset
= * valP
;
1776 if (fixP
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
1777 || fixP
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
)
1781 if (fixP
->fx_addsy
== NULL
&& fixP
->fx_pcrel
== 0)
1784 /* There should be a HPPA specific fixup associated with the GAS fixup. */
1785 hppa_fixP
= (struct hppa_fix_struct
*) fixP
->tc_fix_data
;
1786 if (hppa_fixP
== NULL
)
1788 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
1789 _("no hppa_fixup entry for fixup type 0x%x"),
1794 fixpos
= fixP
->fx_frag
->fr_literal
+ fixP
->fx_where
;
1796 if (fixP
->fx_size
!= 4 || hppa_fixP
->fx_r_format
== 32)
1798 /* Handle constant output. */
1799 number_to_chars_bigendian (fixpos
, *valP
, fixP
->fx_size
);
1803 insn
= bfd_get_32 (stdoutput
, fixpos
);
1804 fmt
= bfd_hppa_insn2fmt (stdoutput
, insn
);
1806 /* If there is a symbol associated with this fixup, then it's something
1807 which will need a SOM relocation (except for some PC-relative relocs).
1808 In such cases we should treat the "val" or "addend" as zero since it
1809 will be added in as needed from fx_offset in tc_gen_reloc. */
1810 if ((fixP
->fx_addsy
!= NULL
1811 || fixP
->fx_r_type
== (int) R_HPPA_NONE
)
1816 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
1818 /* These field selectors imply that we do not want an addend. */
1819 else if (hppa_fixP
->fx_r_field
== e_psel
1820 || hppa_fixP
->fx_r_field
== e_rpsel
1821 || hppa_fixP
->fx_r_field
== e_lpsel
1822 || hppa_fixP
->fx_r_field
== e_tsel
1823 || hppa_fixP
->fx_r_field
== e_rtsel
1824 || hppa_fixP
->fx_r_field
== e_ltsel
)
1825 new_val
= ((fmt
== 12 || fmt
== 17 || fmt
== 22) ? 8 : 0);
1828 new_val
= hppa_field_adjust (* valP
, 0, hppa_fixP
->fx_r_field
);
1830 /* Handle pc-relative exceptions from above. */
1831 if ((fmt
== 12 || fmt
== 17 || fmt
== 22)
1834 && !arg_reloc_stub_needed (symbol_arg_reloc_info (fixP
->fx_addsy
),
1835 hppa_fixP
->fx_arg_reloc
)
1837 && (* valP
- 8 + 8192 < 16384
1838 || (fmt
== 17 && * valP
- 8 + 262144 < 524288)
1839 || (fmt
== 22 && * valP
- 8 + 8388608 < 16777216))
1842 && (* valP
- 8 + 262144 < 524288
1843 || (fmt
== 22 && * valP
- 8 + 8388608 < 16777216))
1845 && !S_IS_EXTERNAL (fixP
->fx_addsy
)
1846 && !S_IS_WEAK (fixP
->fx_addsy
)
1847 && S_GET_SEGMENT (fixP
->fx_addsy
) == hppa_fixP
->segment
1849 && S_GET_SEGMENT (fixP
->fx_subsy
) != hppa_fixP
->segment
))
1851 new_val
= hppa_field_adjust (* valP
, 0, hppa_fixP
->fx_r_field
);
1857 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
1858 fixP
->fx_file
, fixP
->fx_line
);
1861 insn
= (insn
& ~ 0x3ff1) | (((val
& 0x1ff8) << 1)
1862 | ((val
& 0x2000) >> 13));
1865 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
1866 fixP
->fx_file
, fixP
->fx_line
);
1869 insn
= (insn
& ~ 0x3ff9) | (((val
& 0x1ffc) << 1)
1870 | ((val
& 0x2000) >> 13));
1872 /* Handle all opcodes with the 'j' operand type. */
1874 CHECK_FIELD_WHERE (new_val
, 8191, -8192,
1875 fixP
->fx_file
, fixP
->fx_line
);
1878 insn
= ((insn
& ~ 0x3fff) | low_sign_unext (val
, 14));
1881 /* Handle all opcodes with the 'k' operand type. */
1883 CHECK_FIELD_WHERE (new_val
, 1048575, -1048576,
1884 fixP
->fx_file
, fixP
->fx_line
);
1887 insn
= (insn
& ~ 0x1fffff) | re_assemble_21 (val
);
1890 /* Handle all the opcodes with the 'i' operand type. */
1892 CHECK_FIELD_WHERE (new_val
, 1023, -1024,
1893 fixP
->fx_file
, fixP
->fx_line
);
1896 insn
= (insn
& ~ 0x7ff) | low_sign_unext (val
, 11);
1899 /* Handle all the opcodes with the 'w' operand type. */
1901 CHECK_FIELD_WHERE (new_val
- 8, 8191, -8192,
1902 fixP
->fx_file
, fixP
->fx_line
);
1905 insn
= (insn
& ~ 0x1ffd) | re_assemble_12 (val
>> 2);
1908 /* Handle some of the opcodes with the 'W' operand type. */
1911 offsetT distance
= * valP
;
1913 /* If this is an absolute branch (ie no link) with an out of
1914 range target, then we want to complain. */
1915 if (fixP
->fx_r_type
== (int) R_HPPA_PCREL_CALL
1916 && (insn
& 0xffe00000) == 0xe8000000)
1917 CHECK_FIELD_WHERE (distance
- 8, 262143, -262144,
1918 fixP
->fx_file
, fixP
->fx_line
);
1920 CHECK_FIELD_WHERE (new_val
- 8, 262143, -262144,
1921 fixP
->fx_file
, fixP
->fx_line
);
1924 insn
= (insn
& ~ 0x1f1ffd) | re_assemble_17 (val
>> 2);
1930 offsetT distance
= * valP
;
1932 /* If this is an absolute branch (ie no link) with an out of
1933 range target, then we want to complain. */
1934 if (fixP
->fx_r_type
== (int) R_HPPA_PCREL_CALL
1935 && (insn
& 0xffe00000) == 0xe8000000)
1936 CHECK_FIELD_WHERE (distance
- 8, 8388607, -8388608,
1937 fixP
->fx_file
, fixP
->fx_line
);
1939 CHECK_FIELD_WHERE (new_val
- 8, 8388607, -8388608,
1940 fixP
->fx_file
, fixP
->fx_line
);
1943 insn
= (insn
& ~ 0x3ff1ffd) | re_assemble_22 (val
>> 2);
1949 insn
= (insn
& ~ 0xfff1) | re_assemble_16 (val
& -8);
1954 insn
= (insn
& ~ 0xfff9) | re_assemble_16 (val
& -4);
1959 insn
= (insn
& ~ 0xffff) | re_assemble_16 (val
);
1967 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
1968 _("Unknown relocation encountered in md_apply_fix."));
1973 switch (fixP
->fx_r_type
)
1975 case R_PARISC_TLS_GD21L
:
1976 case R_PARISC_TLS_GD14R
:
1977 case R_PARISC_TLS_LDM21L
:
1978 case R_PARISC_TLS_LDM14R
:
1979 case R_PARISC_TLS_LE21L
:
1980 case R_PARISC_TLS_LE14R
:
1981 case R_PARISC_TLS_IE21L
:
1982 case R_PARISC_TLS_IE14R
:
1984 S_SET_THREAD_LOCAL (fixP
->fx_addsy
);
1991 /* Insert the relocation. */
1992 bfd_put_32 (stdoutput
, insn
, fixpos
);
1995 /* Exactly what point is a PC-relative offset relative TO?
1996 On the PA, they're relative to the address of the offset. */
1999 md_pcrel_from (fixS
*fixP
)
2001 return fixP
->fx_where
+ fixP
->fx_frag
->fr_address
;
2004 /* Return nonzero if the input line pointer is at the end of
2008 is_end_of_statement (void)
2010 return ((*input_line_pointer
== '\n')
2011 || (*input_line_pointer
== ';')
2012 || (*input_line_pointer
== '!'));
2015 #define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct pd_reg))
2017 /* Given NAME, find the register number associated with that name, return
2018 the integer value associated with the given name or -1 on failure. */
2021 reg_name_search (char *name
)
2023 int middle
, low
, high
;
2027 high
= REG_NAME_CNT
- 1;
2031 middle
= (low
+ high
) / 2;
2032 cmp
= strcasecmp (name
, pre_defined_registers
[middle
].name
);
2038 return pre_defined_registers
[middle
].value
;
2040 while (low
<= high
);
2045 /* Read a number from S. The number might come in one of many forms,
2046 the most common will be a hex or decimal constant, but it could be
2047 a pre-defined register (Yuk!), or an absolute symbol.
2049 Return 1 on success or 0 on failure. If STRICT, then a missing
2050 register prefix will cause a failure. The number itself is
2051 returned in `pa_number'.
2053 IS_FLOAT indicates that a PA-89 FP register number should be
2054 parsed; A `l' or `r' suffix is checked for if but 2 of IS_FLOAT is
2057 pa_parse_number can not handle negative constants and will fail
2058 horribly if it is passed such a constant. */
2061 pa_parse_number (char **s
, int is_float
)
2069 bfd_boolean have_prefix
;
2071 /* Skip whitespace before the number. */
2072 while (*p
== ' ' || *p
== '\t')
2078 if (!strict
&& ISDIGIT (*p
))
2080 /* Looks like a number. */
2082 if (*p
== '0' && (*(p
+ 1) == 'x' || *(p
+ 1) == 'X'))
2084 /* The number is specified in hex. */
2086 while (ISDIGIT (*p
) || ((*p
>= 'a') && (*p
<= 'f'))
2087 || ((*p
>= 'A') && (*p
<= 'F')))
2090 num
= num
* 16 + *p
- '0';
2091 else if (*p
>= 'a' && *p
<= 'f')
2092 num
= num
* 16 + *p
- 'a' + 10;
2094 num
= num
* 16 + *p
- 'A' + 10;
2100 /* The number is specified in decimal. */
2101 while (ISDIGIT (*p
))
2103 num
= num
* 10 + *p
- '0';
2110 /* Check for a `l' or `r' suffix. */
2113 pa_number
+= FP_REG_BASE
;
2114 if (! (is_float
& 2))
2116 if (IS_R_SELECT (p
))
2118 pa_number
+= FP_REG_RSEL
;
2121 else if (IS_L_SELECT (p
))
2130 /* The number might be a predefined register. */
2135 /* Tege hack: Special case for general registers as the general
2136 code makes a binary search with case translation, and is VERY
2141 if (*p
== 'e' && *(p
+ 1) == 't'
2142 && (*(p
+ 2) == '0' || *(p
+ 2) == '1'))
2145 num
= *p
- '0' + 28;
2153 else if (!ISDIGIT (*p
))
2156 as_bad (_("Undefined register: '%s'."), name
);
2162 num
= num
* 10 + *p
++ - '0';
2163 while (ISDIGIT (*p
));
2168 /* Do a normal register search. */
2169 while (is_part_of_name (c
))
2175 status
= reg_name_search (name
);
2181 as_bad (_("Undefined register: '%s'."), name
);
2191 /* And finally, it could be a symbol in the absolute section which
2192 is effectively a constant, or a register alias symbol. */
2195 while (is_part_of_name (c
))
2201 if ((sym
= symbol_find (name
)) != NULL
)
2203 if (S_GET_SEGMENT (sym
) == reg_section
)
2205 num
= S_GET_VALUE (sym
);
2206 /* Well, we don't really have one, but we do have a
2210 else if (S_GET_SEGMENT (sym
) == bfd_abs_section_ptr
)
2211 num
= S_GET_VALUE (sym
);
2215 as_bad (_("Non-absolute symbol: '%s'."), name
);
2221 /* There is where we'd come for an undefined symbol
2222 or for an empty string. For an empty string we
2223 will return zero. That's a concession made for
2224 compatibility with the braindamaged HP assemblers. */
2230 as_bad (_("Undefined absolute constant: '%s'."), name
);
2239 if (!strict
|| have_prefix
)
2247 /* Return nonzero if the given INSN and L/R information will require
2248 a new PA-1.1 opcode. */
2251 need_pa11_opcode (void)
2253 if ((pa_number
& FP_REG_RSEL
) != 0
2254 && !(the_insn
.fpof1
== DBL
&& the_insn
.fpof2
== DBL
))
2256 /* If this instruction is specific to a particular architecture,
2257 then set a new architecture. */
2258 if (bfd_get_mach (stdoutput
) < pa11
)
2260 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, pa11
))
2261 as_warn (_("could not update architecture and machine"));
2269 /* Parse a condition for a fcmp instruction. Return the numerical
2270 code associated with the condition. */
2273 pa_parse_fp_cmp_cond (char **s
)
2279 for (i
= 0; i
< 32; i
++)
2281 if (strncasecmp (*s
, fp_cond_map
[i
].string
,
2282 strlen (fp_cond_map
[i
].string
)) == 0)
2284 cond
= fp_cond_map
[i
].cond
;
2285 *s
+= strlen (fp_cond_map
[i
].string
);
2286 /* If not a complete match, back up the input string and
2288 if (**s
!= ' ' && **s
!= '\t')
2290 *s
-= strlen (fp_cond_map
[i
].string
);
2293 while (**s
== ' ' || **s
== '\t')
2299 as_bad (_("Invalid FP Compare Condition: %s"), *s
);
2301 /* Advance over the bogus completer. */
2302 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2308 /* Parse a graphics test complete for ftest. */
2311 pa_parse_ftest_gfx_completer (char **s
)
2316 if (strncasecmp (*s
, "acc8", 4) == 0)
2321 else if (strncasecmp (*s
, "acc6", 4) == 0)
2326 else if (strncasecmp (*s
, "acc4", 4) == 0)
2331 else if (strncasecmp (*s
, "acc2", 4) == 0)
2336 else if (strncasecmp (*s
, "acc", 3) == 0)
2341 else if (strncasecmp (*s
, "rej8", 4) == 0)
2346 else if (strncasecmp (*s
, "rej", 3) == 0)
2354 as_bad (_("Invalid FTEST completer: %s"), *s
);
2360 /* Parse an FP operand format completer returning the completer
2363 static fp_operand_format
2364 pa_parse_fp_cnv_format (char **s
)
2372 if (strncasecmp (*s
, "sgl", 3) == 0)
2377 else if (strncasecmp (*s
, "dbl", 3) == 0)
2382 else if (strncasecmp (*s
, "quad", 4) == 0)
2387 else if (strncasecmp (*s
, "w", 1) == 0)
2392 else if (strncasecmp (*s
, "uw", 2) == 0)
2397 else if (strncasecmp (*s
, "dw", 2) == 0)
2402 else if (strncasecmp (*s
, "udw", 3) == 0)
2407 else if (strncasecmp (*s
, "qw", 2) == 0)
2412 else if (strncasecmp (*s
, "uqw", 3) == 0)
2419 format
= ILLEGAL_FMT
;
2420 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
2427 /* Parse an FP operand format completer returning the completer
2430 static fp_operand_format
2431 pa_parse_fp_format (char **s
)
2439 if (strncasecmp (*s
, "sgl", 3) == 0)
2444 else if (strncasecmp (*s
, "dbl", 3) == 0)
2449 else if (strncasecmp (*s
, "quad", 4) == 0)
2456 format
= ILLEGAL_FMT
;
2457 as_bad (_("Invalid FP Operand Format: %3s"), *s
);
2464 /* Convert from a selector string into a selector type. */
2467 pa_chk_field_selector (char **str
)
2469 int middle
, low
, high
;
2473 /* Read past any whitespace. */
2474 /* FIXME: should we read past newlines and formfeeds??? */
2475 while (**str
== ' ' || **str
== '\t' || **str
== '\n' || **str
== '\f')
2478 if ((*str
)[1] == '\'' || (*str
)[1] == '%')
2479 name
[0] = TOLOWER ((*str
)[0]),
2481 else if ((*str
)[2] == '\'' || (*str
)[2] == '%')
2482 name
[0] = TOLOWER ((*str
)[0]),
2483 name
[1] = TOLOWER ((*str
)[1]),
2485 else if ((*str
)[3] == '\'' || (*str
)[3] == '%')
2486 name
[0] = TOLOWER ((*str
)[0]),
2487 name
[1] = TOLOWER ((*str
)[1]),
2488 name
[2] = TOLOWER ((*str
)[2]),
2494 high
= sizeof (selector_table
) / sizeof (struct selector_entry
) - 1;
2498 middle
= (low
+ high
) / 2;
2499 cmp
= strcmp (name
, selector_table
[middle
].prefix
);
2506 *str
+= strlen (name
) + 1;
2508 if (selector_table
[middle
].field_selector
== e_nsel
)
2511 return selector_table
[middle
].field_selector
;
2514 while (low
<= high
);
2519 /* Parse a .byte, .word, .long expression for the HPPA. Called by
2520 cons via the TC_PARSE_CONS_EXPRESSION macro. */
2523 parse_cons_expression_hppa (expressionS
*exp
)
2525 hppa_field_selector
= pa_chk_field_selector (&input_line_pointer
);
2529 /* Evaluate an absolute expression EXP which may be modified by
2530 the selector FIELD_SELECTOR. Return the value of the expression. */
2532 evaluate_absolute (struct pa_it
*insn
)
2536 int field_selector
= insn
->field_selector
;
2539 value
= exp
.X_add_number
;
2541 return hppa_field_adjust (0, value
, field_selector
);
2544 /* Mark (via expr_end) the end of an absolute expression. FIXME. */
2547 pa_get_absolute_expression (struct pa_it
*insn
, char **strp
)
2551 insn
->field_selector
= pa_chk_field_selector (strp
);
2552 save_in
= input_line_pointer
;
2553 input_line_pointer
= *strp
;
2554 expression (&insn
->exp
);
2555 expr_end
= input_line_pointer
;
2556 input_line_pointer
= save_in
;
2557 if (insn
->exp
.X_op
!= O_constant
)
2559 /* We have a non-match in strict mode. */
2561 as_bad (_("Bad segment (should be absolute)."));
2564 return evaluate_absolute (insn
);
2567 /* Get an absolute number. The input string is terminated at the
2568 first whitespace character. */
2571 pa_get_number (struct pa_it
*insn
, char **strp
)
2577 save_in
= input_line_pointer
;
2578 input_line_pointer
= *strp
;
2580 /* The PA assembly syntax is ambiguous in a variety of ways. Consider
2581 this string "4 %r5" Is that the number 4 followed by the register
2582 r5, or is that 4 MOD r5? This situation occurs for example in the
2583 coprocessor load and store instructions. Previously, calling
2584 pa_get_absolute_expression directly results in r5 being entered
2585 in the symbol table.
2587 So, when looking for an absolute number, we cut off the input string
2588 at the first whitespace character. Thus, expressions should generally
2589 contain no whitespace. */
2592 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2598 result
= pa_get_absolute_expression (insn
, strp
);
2600 input_line_pointer
= save_in
;
2605 /* Given an argument location specification return the associated
2606 argument location number. */
2609 pa_build_arg_reloc (char *type_name
)
2612 if (strncasecmp (type_name
, "no", 2) == 0)
2614 if (strncasecmp (type_name
, "gr", 2) == 0)
2616 else if (strncasecmp (type_name
, "fr", 2) == 0)
2618 else if (strncasecmp (type_name
, "fu", 2) == 0)
2621 as_bad (_("Invalid argument location: %s\n"), type_name
);
2626 /* Encode and return an argument relocation specification for
2627 the given register in the location specified by arg_reloc. */
2630 pa_align_arg_reloc (unsigned int reg
, unsigned int arg_reloc
)
2632 unsigned int new_reloc
;
2634 new_reloc
= arg_reloc
;
2650 as_bad (_("Invalid argument description: %d"), reg
);
2656 /* Parse a non-negated compare/subtract completer returning the
2657 number (for encoding in instructions) of the given completer. */
2660 pa_parse_nonneg_cmpsub_cmpltr (char **s
)
2663 char *name
= *s
+ 1;
2672 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2677 if (strcmp (name
, "=") == 0)
2681 else if (strcmp (name
, "<") == 0)
2685 else if (strcmp (name
, "<=") == 0)
2689 else if (strcmp (name
, "<<") == 0)
2693 else if (strcmp (name
, "<<=") == 0)
2697 else if (strcasecmp (name
, "sv") == 0)
2701 else if (strcasecmp (name
, "od") == 0)
2705 /* If we have something like addb,n then there is no condition
2707 else if (strcasecmp (name
, "n") == 0)
2719 /* Reset pointers if this was really a ,n for a branch instruction. */
2726 /* Parse a negated compare/subtract completer returning the
2727 number (for encoding in instructions) of the given completer. */
2730 pa_parse_neg_cmpsub_cmpltr (char **s
)
2733 char *name
= *s
+ 1;
2742 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2747 if (strcasecmp (name
, "tr") == 0)
2751 else if (strcmp (name
, "<>") == 0)
2755 else if (strcmp (name
, ">=") == 0)
2759 else if (strcmp (name
, ">") == 0)
2763 else if (strcmp (name
, ">>=") == 0)
2767 else if (strcmp (name
, ">>") == 0)
2771 else if (strcasecmp (name
, "nsv") == 0)
2775 else if (strcasecmp (name
, "ev") == 0)
2779 /* If we have something like addb,n then there is no condition
2781 else if (strcasecmp (name
, "n") == 0)
2793 /* Reset pointers if this was really a ,n for a branch instruction. */
2800 /* Parse a 64 bit compare and branch completer returning the number (for
2801 encoding in instructions) of the given completer.
2803 Nonnegated comparisons are returned as 0-7, negated comparisons are
2804 returned as 8-15. */
2807 pa_parse_cmpb_64_cmpltr (char **s
)
2810 char *name
= *s
+ 1;
2817 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2822 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 (strcmp (name
, "*<<=") == 0)
2846 else if (strcasecmp (name
, "*sv") == 0)
2850 else if (strcasecmp (name
, "*od") == 0)
2854 else if (strcasecmp (name
, "*tr") == 0)
2858 else if (strcmp (name
, "*<>") == 0)
2862 else if (strcmp (name
, "*>=") == 0)
2866 else if (strcmp (name
, "*>") == 0)
2870 else if (strcmp (name
, "*>>=") == 0)
2874 else if (strcmp (name
, "*>>") == 0)
2878 else if (strcasecmp (name
, "*nsv") == 0)
2882 else if (strcasecmp (name
, "*ev") == 0)
2896 /* Parse a 64 bit compare immediate and branch completer returning the number
2897 (for encoding in instructions) of the given completer. */
2900 pa_parse_cmpib_64_cmpltr (char **s
)
2903 char *name
= *s
+ 1;
2910 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2915 if (strcmp (name
, "*<<") == 0)
2919 else if (strcmp (name
, "*=") == 0)
2923 else if (strcmp (name
, "*<") == 0)
2927 else if (strcmp (name
, "*<=") == 0)
2931 else if (strcmp (name
, "*>>=") == 0)
2935 else if (strcmp (name
, "*<>") == 0)
2939 else if (strcasecmp (name
, "*>=") == 0)
2943 else if (strcasecmp (name
, "*>") == 0)
2957 /* Parse a non-negated addition completer returning the number
2958 (for encoding in instructions) of the given completer. */
2961 pa_parse_nonneg_add_cmpltr (char **s
)
2964 char *name
= *s
+ 1;
2973 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2977 if (strcmp (name
, "=") == 0)
2981 else if (strcmp (name
, "<") == 0)
2985 else if (strcmp (name
, "<=") == 0)
2989 else if (strcasecmp (name
, "nuv") == 0)
2993 else if (strcasecmp (name
, "znv") == 0)
2997 else if (strcasecmp (name
, "sv") == 0)
3001 else if (strcasecmp (name
, "od") == 0)
3005 /* If we have something like addb,n then there is no condition
3007 else if (strcasecmp (name
, "n") == 0)
3019 /* Reset pointers if this was really a ,n for a branch instruction. */
3026 /* Parse a negated addition completer returning the number
3027 (for encoding in instructions) of the given completer. */
3030 pa_parse_neg_add_cmpltr (char **s
)
3033 char *name
= *s
+ 1;
3042 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
3046 if (strcasecmp (name
, "tr") == 0)
3050 else if (strcmp (name
, "<>") == 0)
3054 else if (strcmp (name
, ">=") == 0)
3058 else if (strcmp (name
, ">") == 0)
3062 else if (strcasecmp (name
, "uv") == 0)
3066 else if (strcasecmp (name
, "vnz") == 0)
3070 else if (strcasecmp (name
, "nsv") == 0)
3074 else if (strcasecmp (name
, "ev") == 0)
3078 /* If we have something like addb,n then there is no condition
3080 else if (strcasecmp (name
, "n") == 0)
3092 /* Reset pointers if this was really a ,n for a branch instruction. */
3099 /* Parse a 64 bit wide mode add and branch completer returning the number (for
3100 encoding in instructions) of the given completer. */
3103 pa_parse_addb_64_cmpltr (char **s
)
3106 char *name
= *s
+ 1;
3115 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
3119 if (strcmp (name
, "=") == 0)
3123 else if (strcmp (name
, "<") == 0)
3127 else if (strcmp (name
, "<=") == 0)
3131 else if (strcasecmp (name
, "nuv") == 0)
3135 else if (strcasecmp (name
, "*=") == 0)
3139 else if (strcasecmp (name
, "*<") == 0)
3143 else if (strcasecmp (name
, "*<=") == 0)
3147 else if (strcmp (name
, "tr") == 0)
3151 else if (strcmp (name
, "<>") == 0)
3155 else if (strcmp (name
, ">=") == 0)
3159 else if (strcmp (name
, ">") == 0)
3163 else if (strcasecmp (name
, "uv") == 0)
3167 else if (strcasecmp (name
, "*<>") == 0)
3171 else if (strcasecmp (name
, "*>=") == 0)
3175 else if (strcasecmp (name
, "*>") == 0)
3179 /* If we have something like addb,n then there is no condition
3181 else if (strcasecmp (name
, "n") == 0)
3193 /* Reset pointers if this was really a ,n for a branch instruction. */
3200 /* Do the real work for assembling a single instruction. Store results
3201 into the global "the_insn" variable. */
3206 char *error_message
= "";
3207 char *s
, c
, *argstart
, *name
, *save_s
;
3211 int cmpltr
, nullif
, flag
, cond
, need_cond
, num
;
3212 int immediate_check
= 0, pos
= -1, len
= -1;
3213 unsigned long opcode
;
3214 struct pa_opcode
*insn
;
3217 /* We must have a valid space and subspace. */
3218 pa_check_current_space_and_subspace ();
3221 /* Convert everything up to the first whitespace character into lower
3223 for (s
= str
; *s
!= ' ' && *s
!= '\t' && *s
!= '\n' && *s
!= '\0'; s
++)
3226 /* Skip to something interesting. */
3228 ISUPPER (*s
) || ISLOWER (*s
) || (*s
>= '0' && *s
<= '3');
3248 as_bad (_("Unknown opcode: `%s'"), str
);
3252 /* Look up the opcode in the hash table. */
3253 if ((insn
= (struct pa_opcode
*) hash_find (op_hash
, str
)) == NULL
)
3255 as_bad (_("Unknown opcode: `%s'"), str
);
3262 /* Mark the location where arguments for the instruction start, then
3263 start processing them. */
3267 /* Do some initialization. */
3268 opcode
= insn
->match
;
3269 strict
= (insn
->flags
& FLAG_STRICT
);
3270 memset (&the_insn
, 0, sizeof (the_insn
));
3273 the_insn
.reloc
= R_HPPA_NONE
;
3275 if (insn
->arch
>= pa20
3276 && bfd_get_mach (stdoutput
) < insn
->arch
)
3279 /* Build the opcode, checking as we go to make
3280 sure that the operands match. */
3281 for (args
= insn
->args
;; ++args
)
3283 /* Absorb white space in instruction. */
3284 while (*s
== ' ' || *s
== '\t')
3289 /* End of arguments. */
3305 /* These must match exactly. */
3314 /* Handle a 5 bit register or control register field at 10. */
3317 if (!pa_parse_number (&s
, 0))
3320 CHECK_FIELD (num
, 31, 0, 0);
3321 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3323 /* Handle %sar or %cr11. No bits get set, we just verify that it
3326 /* Skip whitespace before register. */
3327 while (*s
== ' ' || *s
== '\t')
3330 if (!strncasecmp (s
, "%sar", 4))
3335 else if (!strncasecmp (s
, "%cr11", 5))
3342 /* Handle a 5 bit register field at 15. */
3344 if (!pa_parse_number (&s
, 0))
3347 CHECK_FIELD (num
, 31, 0, 0);
3348 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3350 /* Handle a 5 bit register field at 31. */
3352 if (!pa_parse_number (&s
, 0))
3355 CHECK_FIELD (num
, 31, 0, 0);
3356 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3358 /* Handle a 5 bit register field at 10 and 15. */
3360 if (!pa_parse_number (&s
, 0))
3363 CHECK_FIELD (num
, 31, 0, 0);
3364 opcode
|= num
<< 16;
3365 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3367 /* Handle a 5 bit field length at 31. */
3369 num
= pa_get_absolute_expression (&the_insn
, &s
);
3370 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3373 CHECK_FIELD (num
, 32, 1, 0);
3374 SAVE_IMMEDIATE(num
);
3375 INSERT_FIELD_AND_CONTINUE (opcode
, 32 - num
, 0);
3377 /* Handle a 5 bit immediate at 15. */
3379 num
= pa_get_absolute_expression (&the_insn
, &s
);
3380 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3383 /* When in strict mode, we want to just reject this
3384 match instead of giving an out of range error. */
3385 CHECK_FIELD (num
, 15, -16, strict
);
3386 num
= low_sign_unext (num
, 5);
3387 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3389 /* Handle a 5 bit immediate at 31. */
3391 num
= pa_get_absolute_expression (&the_insn
, &s
);
3392 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3395 /* When in strict mode, we want to just reject this
3396 match instead of giving an out of range error. */
3397 CHECK_FIELD (num
, 15, -16, strict
);
3398 num
= low_sign_unext (num
, 5);
3399 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3401 /* Handle an unsigned 5 bit immediate at 31. */
3403 num
= pa_get_absolute_expression (&the_insn
, &s
);
3404 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3407 CHECK_FIELD (num
, 31, 0, strict
);
3408 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3410 /* Handle an unsigned 5 bit immediate at 15. */
3412 num
= pa_get_absolute_expression (&the_insn
, &s
);
3413 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3416 CHECK_FIELD (num
, 31, 0, strict
);
3417 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3419 /* Handle an unsigned 10 bit immediate at 15. */
3421 num
= pa_get_absolute_expression (&the_insn
, &s
);
3422 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3425 CHECK_FIELD (num
, 1023, 0, strict
);
3426 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3428 /* Handle a 2 bit space identifier at 17. */
3430 if (!pa_parse_number (&s
, 0))
3433 CHECK_FIELD (num
, 3, 0, 1);
3434 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 14);
3436 /* Handle a 3 bit space identifier at 18. */
3438 if (!pa_parse_number (&s
, 0))
3441 CHECK_FIELD (num
, 7, 0, 1);
3442 opcode
|= re_assemble_3 (num
);
3445 /* Handle all completers. */
3450 /* Handle a completer for an indexing load or store. */
3457 while (*s
== ',' && i
< 2)
3460 if (strncasecmp (s
, "sm", 2) == 0)
3467 else if (strncasecmp (s
, "m", 1) == 0)
3469 else if ((strncasecmp (s
, "s ", 2) == 0)
3470 || (strncasecmp (s
, "s,", 2) == 0))
3474 /* This is a match failure. */
3479 as_bad (_("Invalid Indexed Load Completer."));
3484 as_bad (_("Invalid Indexed Load Completer Syntax."));
3486 INSERT_FIELD_AND_CONTINUE (opcode
, uu
, 13);
3489 /* Handle a short load/store completer. */
3501 if (strncasecmp (s
, "ma", 2) == 0)
3507 else if (strncasecmp (s
, "mb", 2) == 0)
3514 /* This is a match failure. */
3518 as_bad (_("Invalid Short Load/Store Completer."));
3522 /* If we did not get a ma/mb completer, then we do not
3523 consider this a positive match for 'ce'. */
3524 else if (*args
== 'e')
3527 /* 'J', 'm', 'M' and 'q' are the same, except for where they
3528 encode the before/after field. */
3529 if (*args
== 'm' || *args
== 'M')
3532 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
3534 else if (*args
== 'q')
3537 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
3539 else if (*args
== 'J')
3541 /* M bit is explicit in the major opcode. */
3542 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
3544 else if (*args
== 'e')
3546 /* Stash the ma/mb flag temporarily in the
3547 instruction. We will use (and remove it)
3548 later when handling 'J', 'K', '<' & '>'. */
3554 /* Handle a stbys completer. */
3561 while (*s
== ',' && i
< 2)
3564 if (strncasecmp (s
, "m", 1) == 0)
3566 else if ((strncasecmp (s
, "b ", 2) == 0)
3567 || (strncasecmp (s
, "b,", 2) == 0))
3569 else if (strncasecmp (s
, "e", 1) == 0)
3571 /* In strict mode, this is a match failure. */
3578 as_bad (_("Invalid Store Bytes Short Completer"));
3583 as_bad (_("Invalid Store Bytes Short Completer"));
3585 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
3588 /* Handle load cache hint completer. */
3591 if (!strncmp (s
, ",sl", 3))
3596 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
3598 /* Handle store cache hint completer. */
3601 if (!strncmp (s
, ",sl", 3))
3606 else if (!strncmp (s
, ",bc", 3))
3611 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
3613 /* Handle load and clear cache hint completer. */
3616 if (!strncmp (s
, ",co", 3))
3621 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
3623 /* Handle load ordering completer. */
3625 if (strncmp (s
, ",o", 2) != 0)
3630 /* Handle a branch gate completer. */
3632 if (strncasecmp (s
, ",gate", 5) != 0)
3637 /* Handle a branch link and push completer. */
3639 if (strncasecmp (s
, ",l,push", 7) != 0)
3644 /* Handle a branch link completer. */
3646 if (strncasecmp (s
, ",l", 2) != 0)
3651 /* Handle a branch pop completer. */
3653 if (strncasecmp (s
, ",pop", 4) != 0)
3658 /* Handle a local processor completer. */
3660 if (strncasecmp (s
, ",l", 2) != 0)
3665 /* Handle a PROBE read/write completer. */
3668 if (!strncasecmp (s
, ",w", 2))
3673 else if (!strncasecmp (s
, ",r", 2))
3679 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
3681 /* Handle MFCTL wide completer. */
3683 if (strncasecmp (s
, ",w", 2) != 0)
3688 /* Handle an RFI restore completer. */
3691 if (!strncasecmp (s
, ",r", 2))
3697 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
3699 /* Handle a system control completer. */
3701 if (*s
== ',' && (*(s
+ 1) == 'm' || *(s
+ 1) == 'M'))
3709 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
3711 /* Handle intermediate/final completer for DCOR. */
3714 if (!strncasecmp (s
, ",i", 2))
3720 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
3722 /* Handle zero/sign extension completer. */
3725 if (!strncasecmp (s
, ",z", 2))
3731 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
3733 /* Handle add completer. */
3736 if (!strncasecmp (s
, ",l", 2))
3741 else if (!strncasecmp (s
, ",tsv", 4))
3747 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
3749 /* Handle 64 bit carry for ADD. */
3752 if (!strncasecmp (s
, ",dc,tsv", 7) ||
3753 !strncasecmp (s
, ",tsv,dc", 7))
3758 else if (!strncasecmp (s
, ",dc", 3))
3766 /* Condition is not required with "dc". */
3768 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3770 /* Handle 32 bit carry for ADD. */
3773 if (!strncasecmp (s
, ",c,tsv", 6) ||
3774 !strncasecmp (s
, ",tsv,c", 6))
3779 else if (!strncasecmp (s
, ",c", 2))
3787 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3789 /* Handle trap on signed overflow. */
3792 if (!strncasecmp (s
, ",tsv", 4))
3798 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3800 /* Handle trap on condition and overflow. */
3803 if (!strncasecmp (s
, ",tc,tsv", 7) ||
3804 !strncasecmp (s
, ",tsv,tc", 7))
3809 else if (!strncasecmp (s
, ",tc", 3))
3817 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3819 /* Handle 64 bit borrow for SUB. */
3822 if (!strncasecmp (s
, ",db,tsv", 7) ||
3823 !strncasecmp (s
, ",tsv,db", 7))
3828 else if (!strncasecmp (s
, ",db", 3))
3836 /* Condition is not required with "db". */
3838 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3840 /* Handle 32 bit borrow for SUB. */
3843 if (!strncasecmp (s
, ",b,tsv", 6) ||
3844 !strncasecmp (s
, ",tsv,b", 6))
3849 else if (!strncasecmp (s
, ",b", 2))
3857 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3859 /* Handle trap condition completer for UADDCM. */
3862 if (!strncasecmp (s
, ",tc", 3))
3868 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
3870 /* Handle signed/unsigned at 21. */
3874 if (strncasecmp (s
, ",s", 2) == 0)
3879 else if (strncasecmp (s
, ",u", 2) == 0)
3885 INSERT_FIELD_AND_CONTINUE (opcode
, sign
, 10);
3888 /* Handle left/right combination at 17:18. */
3898 as_bad (_("Invalid left/right combination completer"));
3901 INSERT_FIELD_AND_CONTINUE (opcode
, lr
, 13);
3904 as_bad (_("Invalid left/right combination completer"));
3907 /* Handle saturation at 24:25. */
3911 if (strncasecmp (s
, ",ss", 3) == 0)
3916 else if (strncasecmp (s
, ",us", 3) == 0)
3922 INSERT_FIELD_AND_CONTINUE (opcode
, sat
, 6);
3925 /* Handle permutation completer. */
3953 as_bad (_("Invalid permutation completer"));
3955 opcode
|= perm
<< permloc
[i
];
3960 as_bad (_("Invalid permutation completer"));
3968 /* Handle all conditions. */
3974 /* Handle FP compare conditions. */
3976 cond
= pa_parse_fp_cmp_cond (&s
);
3977 INSERT_FIELD_AND_CONTINUE (opcode
, cond
, 0);
3979 /* Handle an add condition. */
3988 /* 64 bit conditions. */
4000 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
4004 if (strcmp (name
, "=") == 0)
4006 else if (strcmp (name
, "<") == 0)
4008 else if (strcmp (name
, "<=") == 0)
4010 else if (strcasecmp (name
, "nuv") == 0)
4012 else if (strcasecmp (name
, "znv") == 0)
4014 else if (strcasecmp (name
, "sv") == 0)
4016 else if (strcasecmp (name
, "od") == 0)
4018 else if (strcasecmp (name
, "tr") == 0)
4023 else if (strcmp (name
, "<>") == 0)
4028 else if (strcmp (name
, ">=") == 0)
4033 else if (strcmp (name
, ">") == 0)
4038 else if (strcasecmp (name
, "uv") == 0)
4043 else if (strcasecmp (name
, "vnz") == 0)
4048 else if (strcasecmp (name
, "nsv") == 0)
4053 else if (strcasecmp (name
, "ev") == 0)
4058 /* ",*" is a valid condition. */
4059 else if (*args
== 'a' || *name
)
4060 as_bad (_("Invalid Add Condition: %s"), name
);
4063 /* Except with "dc", we have a match failure with
4064 'A' if we don't have a doubleword condition. */
4065 else if (*args
== 'A' && need_cond
)
4068 opcode
|= cmpltr
<< 13;
4069 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
4071 /* Handle non-negated add and branch condition. */
4073 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
4076 as_bad (_("Invalid Add and Branch Condition"));
4079 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4081 /* Handle 64 bit wide-mode add and branch condition. */
4083 cmpltr
= pa_parse_addb_64_cmpltr (&s
);
4086 as_bad (_("Invalid Add and Branch Condition"));
4091 /* Negated condition requires an opcode change. */
4092 opcode
|= (cmpltr
& 8) << 24;
4094 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
4096 /* Handle a negated or non-negated add and branch
4100 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
4104 cmpltr
= pa_parse_neg_add_cmpltr (&s
);
4107 as_bad (_("Invalid Compare/Subtract Condition"));
4112 /* Negated condition requires an opcode change. */
4116 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4118 /* Handle branch on bit conditions. */
4136 if (strncmp (s
, "<", 1) == 0)
4141 else if (strncmp (s
, ">=", 2) == 0)
4147 as_bad (_("Invalid Branch On Bit Condition: %c"), *s
);
4150 as_bad (_("Missing Branch On Bit Condition"));
4152 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 15);
4154 /* Handle a compare/subtract condition. */
4163 /* 64 bit conditions. */
4175 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
4179 if (strcmp (name
, "=") == 0)
4181 else if (strcmp (name
, "<") == 0)
4183 else if (strcmp (name
, "<=") == 0)
4185 else if (strcasecmp (name
, "<<") == 0)
4187 else if (strcasecmp (name
, "<<=") == 0)
4189 else if (strcasecmp (name
, "sv") == 0)
4191 else if (strcasecmp (name
, "od") == 0)
4193 else if (strcasecmp (name
, "tr") == 0)
4198 else if (strcmp (name
, "<>") == 0)
4203 else if (strcmp (name
, ">=") == 0)
4208 else if (strcmp (name
, ">") == 0)
4213 else if (strcasecmp (name
, ">>=") == 0)
4218 else if (strcasecmp (name
, ">>") == 0)
4223 else if (strcasecmp (name
, "nsv") == 0)
4228 else if (strcasecmp (name
, "ev") == 0)
4233 /* ",*" is a valid condition. */
4234 else if (*args
!= 'S' || *name
)
4235 as_bad (_("Invalid Compare/Subtract Condition: %s"),
4239 /* Except with "db", we have a match failure with
4240 'S' if we don't have a doubleword condition. */
4241 else if (*args
== 'S' && need_cond
)
4244 opcode
|= cmpltr
<< 13;
4245 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
4247 /* Handle a non-negated compare condition. */
4249 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
4252 as_bad (_("Invalid Compare/Subtract Condition"));
4255 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4257 /* Handle a 32 bit compare and branch condition. */
4260 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
4264 cmpltr
= pa_parse_neg_cmpsub_cmpltr (&s
);
4267 as_bad (_("Invalid Compare and Branch Condition"));
4272 /* Negated condition requires an opcode change. */
4277 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4279 /* Handle a 64 bit compare and branch condition. */
4281 cmpltr
= pa_parse_cmpb_64_cmpltr (&s
);
4284 /* Negated condition requires an opcode change. */
4285 opcode
|= (cmpltr
& 8) << 26;
4288 /* Not a 64 bit cond. Give 32 bit a chance. */
4291 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
4293 /* Handle a 64 bit cmpib condition. */
4295 cmpltr
= pa_parse_cmpib_64_cmpltr (&s
);
4297 /* Not a 64 bit cond. Give 32 bit a chance. */
4300 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4302 /* Handle a logical instruction condition. */
4311 /* 64 bit conditions. */
4323 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
4328 if (strcmp (name
, "=") == 0)
4330 else if (strcmp (name
, "<") == 0)
4332 else if (strcmp (name
, "<=") == 0)
4334 else if (strcasecmp (name
, "od") == 0)
4336 else if (strcasecmp (name
, "tr") == 0)
4341 else if (strcmp (name
, "<>") == 0)
4346 else if (strcmp (name
, ">=") == 0)
4351 else if (strcmp (name
, ">") == 0)
4356 else if (strcasecmp (name
, "ev") == 0)
4361 /* ",*" is a valid condition. */
4362 else if (*args
!= 'L' || *name
)
4363 as_bad (_("Invalid Logical Instruction Condition."));
4366 /* 32-bit is default for no condition. */
4367 else if (*args
== 'L')
4370 opcode
|= cmpltr
<< 13;
4371 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
4373 /* Handle a shift/extract/deposit condition. */
4378 /* Check immediate values in shift/extract/deposit
4379 * instructions if they will give undefined behaviour. */
4380 immediate_check
= 1;
4385 /* 64 bit conditions. */
4397 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
4401 if (strcmp (name
, "=") == 0)
4403 else if (strcmp (name
, "<") == 0)
4405 else if (strcasecmp (name
, "od") == 0)
4407 else if (strcasecmp (name
, "tr") == 0)
4409 else if (strcmp (name
, "<>") == 0)
4411 else if (strcmp (name
, ">=") == 0)
4413 else if (strcasecmp (name
, "ev") == 0)
4415 /* Handle movb,n. Put things back the way they were.
4416 This includes moving s back to where it started. */
4417 else if (strcasecmp (name
, "n") == 0 && *args
== 'y')
4423 /* ",*" is a valid condition. */
4424 else if (*args
!= 'X' || *name
)
4425 as_bad (_("Invalid Shift/Extract/Deposit Condition."));
4429 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4431 /* Handle a unit instruction condition. */
4441 /* 64 bit conditions. */
4452 /* The uxor instruction only supports unit conditions
4453 not involving carries. */
4454 uxor
= (opcode
& 0xfc000fc0) == 0x08000380;
4455 if (strncasecmp (s
, "sbz", 3) == 0)
4460 else if (strncasecmp (s
, "shz", 3) == 0)
4465 else if (!uxor
&& strncasecmp (s
, "sdc", 3) == 0)
4470 else if (!uxor
&& strncasecmp (s
, "sbc", 3) == 0)
4475 else if (!uxor
&& strncasecmp (s
, "shc", 3) == 0)
4480 else if (strncasecmp (s
, "tr", 2) == 0)
4486 else if (strncasecmp (s
, "nbz", 3) == 0)
4492 else if (strncasecmp (s
, "nhz", 3) == 0)
4498 else if (!uxor
&& strncasecmp (s
, "ndc", 3) == 0)
4504 else if (!uxor
&& strncasecmp (s
, "nbc", 3) == 0)
4510 else if (!uxor
&& strncasecmp (s
, "nhc", 3) == 0)
4516 else if (strncasecmp (s
, "swz", 3) == 0)
4522 else if (!uxor
&& strncasecmp (s
, "swc", 3) == 0)
4528 else if (strncasecmp (s
, "nwz", 3) == 0)
4534 else if (!uxor
&& strncasecmp (s
, "nwc", 3) == 0)
4540 /* ",*" is a valid condition. */
4541 else if (*args
!= 'U' || (*s
!= ' ' && *s
!= '\t'))
4542 as_bad (_("Invalid Unit Instruction Condition."));
4544 /* 32-bit is default for no condition. */
4545 else if (*args
== 'U')
4548 opcode
|= cmpltr
<< 13;
4549 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
4557 /* Handle a nullification completer for branch instructions. */
4559 nullif
= pa_parse_nullif (&s
);
4560 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 1);
4562 /* Handle a nullification completer for copr and spop insns. */
4564 nullif
= pa_parse_nullif (&s
);
4565 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 5);
4567 /* Handle ,%r2 completer for new syntax branches. */
4569 if (*s
== ',' && strncasecmp (s
+ 1, "%r2", 3) == 0)
4571 else if (*s
== ',' && strncasecmp (s
+ 1, "%rp", 3) == 0)
4577 /* Handle 3 bit entry into the fp compare array. Valid values
4578 are 0..6 inclusive. */
4582 if (the_insn
.exp
.X_op
== O_constant
)
4584 num
= evaluate_absolute (&the_insn
);
4585 CHECK_FIELD (num
, 6, 0, 0);
4587 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
4592 /* Handle 3 bit entry into the fp compare array. Valid values
4593 are 0..6 inclusive. */
4596 if (the_insn
.exp
.X_op
== O_constant
)
4599 num
= evaluate_absolute (&the_insn
);
4600 CHECK_FIELD (num
, 6, 0, 0);
4601 num
= (num
+ 1) ^ 1;
4602 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
4607 /* Handle graphics test completers for ftest */
4610 num
= pa_parse_ftest_gfx_completer (&s
);
4611 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4614 /* Handle a 11 bit immediate at 31. */
4616 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4619 if (the_insn
.exp
.X_op
== O_constant
)
4621 num
= evaluate_absolute (&the_insn
);
4622 CHECK_FIELD (num
, 1023, -1024, 0);
4623 num
= low_sign_unext (num
, 11);
4624 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4628 if (is_DP_relative (the_insn
.exp
))
4629 the_insn
.reloc
= R_HPPA_GOTOFF
;
4630 else if (is_PC_relative (the_insn
.exp
))
4631 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4633 else if (is_tls_gdidx (the_insn
.exp
))
4634 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4635 else if (is_tls_ldidx (the_insn
.exp
))
4636 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4637 else if (is_tls_dtpoff (the_insn
.exp
))
4638 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4639 else if (is_tls_ieoff (the_insn
.exp
))
4640 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4641 else if (is_tls_leoff (the_insn
.exp
))
4642 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4645 the_insn
.reloc
= R_HPPA
;
4646 the_insn
.format
= 11;
4650 /* Handle a 14 bit immediate at 31. */
4652 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4655 if (the_insn
.exp
.X_op
== O_constant
)
4659 /* XXX the completer stored away tidbits of information
4660 for us to extract. We need a cleaner way to do this.
4661 Now that we have lots of letters again, it would be
4662 good to rethink this. */
4665 num
= evaluate_absolute (&the_insn
);
4666 if (mb
!= (num
< 0))
4668 CHECK_FIELD (num
, 8191, -8192, 0);
4669 num
= low_sign_unext (num
, 14);
4670 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4674 /* Handle a 14 bit immediate at 31. */
4676 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4679 if (the_insn
.exp
.X_op
== O_constant
)
4685 num
= evaluate_absolute (&the_insn
);
4686 if (mb
== (num
< 0))
4690 CHECK_FIELD (num
, 8191, -8192, 0);
4691 num
= low_sign_unext (num
, 14);
4692 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4696 /* Handle a 16 bit immediate at 31. */
4698 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4701 if (the_insn
.exp
.X_op
== O_constant
)
4707 num
= evaluate_absolute (&the_insn
);
4708 if (mb
!= (num
< 0))
4710 CHECK_FIELD (num
, 32767, -32768, 0);
4711 num
= re_assemble_16 (num
);
4712 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4716 /* Handle a 16 bit immediate at 31. */
4718 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4721 if (the_insn
.exp
.X_op
== O_constant
)
4727 num
= evaluate_absolute (&the_insn
);
4728 if (mb
== (num
< 0))
4732 CHECK_FIELD (num
, 32767, -32768, 0);
4733 num
= re_assemble_16 (num
);
4734 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4738 /* Handle 14 bit immediate, shifted left three times. */
4740 if (bfd_get_mach (stdoutput
) != pa20
)
4742 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4745 if (the_insn
.exp
.X_op
== O_constant
)
4747 num
= evaluate_absolute (&the_insn
);
4750 CHECK_FIELD (num
, 8191, -8192, 0);
4755 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 4);
4759 if (is_DP_relative (the_insn
.exp
))
4760 the_insn
.reloc
= R_HPPA_GOTOFF
;
4761 else if (is_PC_relative (the_insn
.exp
))
4762 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4764 else if (is_tls_gdidx (the_insn
.exp
))
4765 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4766 else if (is_tls_ldidx (the_insn
.exp
))
4767 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4768 else if (is_tls_dtpoff (the_insn
.exp
))
4769 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4770 else if (is_tls_ieoff (the_insn
.exp
))
4771 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4772 else if (is_tls_leoff (the_insn
.exp
))
4773 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4776 the_insn
.reloc
= R_HPPA
;
4777 the_insn
.format
= 14;
4782 /* Handle 14 bit immediate, shifted left twice. */
4784 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4787 if (the_insn
.exp
.X_op
== O_constant
)
4789 num
= evaluate_absolute (&the_insn
);
4792 CHECK_FIELD (num
, 8191, -8192, 0);
4797 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
4801 if (is_DP_relative (the_insn
.exp
))
4802 the_insn
.reloc
= R_HPPA_GOTOFF
;
4803 else if (is_PC_relative (the_insn
.exp
))
4804 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4806 else if (is_tls_gdidx (the_insn
.exp
))
4807 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4808 else if (is_tls_ldidx (the_insn
.exp
))
4809 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4810 else if (is_tls_dtpoff (the_insn
.exp
))
4811 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4812 else if (is_tls_ieoff (the_insn
.exp
))
4813 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4814 else if (is_tls_leoff (the_insn
.exp
))
4815 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4818 the_insn
.reloc
= R_HPPA
;
4819 the_insn
.format
= 14;
4823 /* Handle a 14 bit immediate at 31. */
4825 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4828 if (the_insn
.exp
.X_op
== O_constant
)
4830 num
= evaluate_absolute (&the_insn
);
4831 CHECK_FIELD (num
, 8191, -8192, 0);
4832 num
= low_sign_unext (num
, 14);
4833 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4837 if (is_DP_relative (the_insn
.exp
))
4838 the_insn
.reloc
= R_HPPA_GOTOFF
;
4839 else if (is_PC_relative (the_insn
.exp
))
4840 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4842 else if (is_tls_gdidx (the_insn
.exp
))
4843 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4844 else if (is_tls_ldidx (the_insn
.exp
))
4845 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4846 else if (is_tls_dtpoff (the_insn
.exp
))
4847 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4848 else if (is_tls_ieoff (the_insn
.exp
))
4849 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4850 else if (is_tls_leoff (the_insn
.exp
))
4851 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4854 the_insn
.reloc
= R_HPPA
;
4855 the_insn
.format
= 14;
4859 /* Handle a 21 bit immediate at 31. */
4861 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4864 if (the_insn
.exp
.X_op
== O_constant
)
4866 num
= evaluate_absolute (&the_insn
);
4867 CHECK_FIELD (num
>> 11, 1048575, -1048576, 0);
4868 opcode
|= re_assemble_21 (num
);
4873 if (is_DP_relative (the_insn
.exp
))
4874 the_insn
.reloc
= R_HPPA_GOTOFF
;
4875 else if (is_PC_relative (the_insn
.exp
))
4876 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4878 else if (is_tls_gdidx (the_insn
.exp
))
4879 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4880 else if (is_tls_ldidx (the_insn
.exp
))
4881 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4882 else if (is_tls_dtpoff (the_insn
.exp
))
4883 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4884 else if (is_tls_ieoff (the_insn
.exp
))
4885 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4886 else if (is_tls_leoff (the_insn
.exp
))
4887 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4890 the_insn
.reloc
= R_HPPA
;
4891 the_insn
.format
= 21;
4895 /* Handle a 16 bit immediate at 31 (PA 2.0 wide mode only). */
4897 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4900 if (the_insn
.exp
.X_op
== O_constant
)
4902 num
= evaluate_absolute (&the_insn
);
4903 CHECK_FIELD (num
, 32767, -32768, 0);
4904 opcode
|= re_assemble_16 (num
);
4909 /* ??? Is this valid for wide mode? */
4910 if (is_DP_relative (the_insn
.exp
))
4911 the_insn
.reloc
= R_HPPA_GOTOFF
;
4912 else if (is_PC_relative (the_insn
.exp
))
4913 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4915 else if (is_tls_gdidx (the_insn
.exp
))
4916 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4917 else if (is_tls_ldidx (the_insn
.exp
))
4918 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4919 else if (is_tls_dtpoff (the_insn
.exp
))
4920 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4921 else if (is_tls_ieoff (the_insn
.exp
))
4922 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4923 else if (is_tls_leoff (the_insn
.exp
))
4924 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4927 the_insn
.reloc
= R_HPPA
;
4928 the_insn
.format
= 14;
4932 /* Handle a word-aligned 16-bit imm. at 31 (PA2.0 wide). */
4934 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4937 if (the_insn
.exp
.X_op
== O_constant
)
4939 num
= evaluate_absolute (&the_insn
);
4940 CHECK_FIELD (num
, 32767, -32768, 0);
4941 CHECK_ALIGN (num
, 4, 0);
4942 opcode
|= re_assemble_16 (num
);
4947 /* ??? Is this valid for wide mode? */
4948 if (is_DP_relative (the_insn
.exp
))
4949 the_insn
.reloc
= R_HPPA_GOTOFF
;
4950 else if (is_PC_relative (the_insn
.exp
))
4951 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4953 else if (is_tls_gdidx (the_insn
.exp
))
4954 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4955 else if (is_tls_ldidx (the_insn
.exp
))
4956 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4957 else if (is_tls_dtpoff (the_insn
.exp
))
4958 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4959 else if (is_tls_ieoff (the_insn
.exp
))
4960 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4961 else if (is_tls_leoff (the_insn
.exp
))
4962 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4965 the_insn
.reloc
= R_HPPA
;
4966 the_insn
.format
= 14;
4970 /* Handle a dword-aligned 16-bit imm. at 31 (PA2.0 wide). */
4972 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4975 if (the_insn
.exp
.X_op
== O_constant
)
4977 num
= evaluate_absolute (&the_insn
);
4978 CHECK_FIELD (num
, 32767, -32768, 0);
4979 CHECK_ALIGN (num
, 8, 0);
4980 opcode
|= re_assemble_16 (num
);
4985 /* ??? Is this valid for wide mode? */
4986 if (is_DP_relative (the_insn
.exp
))
4987 the_insn
.reloc
= R_HPPA_GOTOFF
;
4988 else if (is_PC_relative (the_insn
.exp
))
4989 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4991 else if (is_tls_gdidx (the_insn
.exp
))
4992 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4993 else if (is_tls_ldidx (the_insn
.exp
))
4994 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4995 else if (is_tls_dtpoff (the_insn
.exp
))
4996 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4997 else if (is_tls_ieoff (the_insn
.exp
))
4998 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4999 else if (is_tls_leoff (the_insn
.exp
))
5000 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
5003 the_insn
.reloc
= R_HPPA
;
5004 the_insn
.format
= 14;
5008 /* Handle a 12 bit branch displacement. */
5010 the_insn
.field_selector
= pa_chk_field_selector (&s
);
5014 if (!the_insn
.exp
.X_add_symbol
5015 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
5018 num
= evaluate_absolute (&the_insn
);
5021 as_bad (_("Branch to unaligned address"));
5024 if (the_insn
.exp
.X_add_symbol
)
5026 CHECK_FIELD (num
, 8191, -8192, 0);
5027 opcode
|= re_assemble_12 (num
>> 2);
5032 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
5033 the_insn
.format
= 12;
5034 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
5035 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
5040 /* Handle a 17 bit branch displacement. */
5042 the_insn
.field_selector
= pa_chk_field_selector (&s
);
5046 if (!the_insn
.exp
.X_add_symbol
5047 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
5050 num
= evaluate_absolute (&the_insn
);
5053 as_bad (_("Branch to unaligned address"));
5056 if (the_insn
.exp
.X_add_symbol
)
5058 CHECK_FIELD (num
, 262143, -262144, 0);
5059 opcode
|= re_assemble_17 (num
>> 2);
5064 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
5065 the_insn
.format
= 17;
5066 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
5067 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
5071 /* Handle a 22 bit branch displacement. */
5073 the_insn
.field_selector
= pa_chk_field_selector (&s
);
5077 if (!the_insn
.exp
.X_add_symbol
5078 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
5081 num
= evaluate_absolute (&the_insn
);
5084 as_bad (_("Branch to unaligned address"));
5087 if (the_insn
.exp
.X_add_symbol
)
5089 CHECK_FIELD (num
, 8388607, -8388608, 0);
5090 opcode
|= re_assemble_22 (num
>> 2);
5094 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
5095 the_insn
.format
= 22;
5096 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
5097 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
5101 /* Handle an absolute 17 bit branch target. */
5103 the_insn
.field_selector
= pa_chk_field_selector (&s
);
5107 if (!the_insn
.exp
.X_add_symbol
5108 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
5111 num
= evaluate_absolute (&the_insn
);
5114 as_bad (_("Branch to unaligned address"));
5117 if (the_insn
.exp
.X_add_symbol
)
5119 CHECK_FIELD (num
, 262143, -262144, 0);
5120 opcode
|= re_assemble_17 (num
>> 2);
5125 the_insn
.reloc
= R_HPPA_ABS_CALL
;
5126 the_insn
.format
= 17;
5127 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
5128 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
5132 /* Handle '%r1' implicit operand of addil instruction. */
5134 if (*s
== ',' && *(s
+ 1) == '%' && *(s
+ 3) == '1'
5135 && (*(s
+ 2) == 'r' || *(s
+ 2) == 'R'))
5143 /* Handle '%sr0,%r31' implicit operand of be,l instruction. */
5145 if (strncasecmp (s
, "%sr0,%r31", 9) != 0)
5150 /* Handle immediate value of 0 for ordered load/store instructions. */
5157 /* Handle a 2 bit shift count at 25. */
5159 num
= pa_get_absolute_expression (&the_insn
, &s
);
5160 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5163 CHECK_FIELD (num
, 3, 1, strict
);
5164 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5166 /* Handle a 4 bit shift count at 25. */
5168 num
= pa_get_absolute_expression (&the_insn
, &s
);
5169 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5172 CHECK_FIELD (num
, 15, 0, strict
);
5173 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5175 /* Handle a 5 bit shift count at 26. */
5177 num
= pa_get_absolute_expression (&the_insn
, &s
);
5178 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5181 CHECK_FIELD (num
, 31, 0, strict
);
5182 SAVE_IMMEDIATE(num
);
5183 INSERT_FIELD_AND_CONTINUE (opcode
, 31 - num
, 5);
5185 /* Handle a 6 bit shift count at 20,22:26. */
5187 num
= pa_get_absolute_expression (&the_insn
, &s
);
5188 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5191 CHECK_FIELD (num
, 63, 0, strict
);
5192 SAVE_IMMEDIATE(num
);
5194 opcode
|= (num
& 0x20) << 6;
5195 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
5197 /* Handle a 6 bit field length at 23,27:31. */
5200 num
= pa_get_absolute_expression (&the_insn
, &s
);
5201 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5204 CHECK_FIELD (num
, 64, 1, strict
);
5205 SAVE_IMMEDIATE(num
);
5207 opcode
|= (num
& 0x20) << 3;
5208 num
= 31 - (num
& 0x1f);
5209 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5211 /* Handle a 6 bit field length at 19,27:31. */
5213 num
= pa_get_absolute_expression (&the_insn
, &s
);
5214 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5217 CHECK_FIELD (num
, 64, 1, strict
);
5218 SAVE_IMMEDIATE(num
);
5220 opcode
|= (num
& 0x20) << 7;
5221 num
= 31 - (num
& 0x1f);
5222 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5224 /* Handle a 5 bit bit position at 26. */
5226 num
= pa_get_absolute_expression (&the_insn
, &s
);
5227 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5230 CHECK_FIELD (num
, 31, 0, strict
);
5231 SAVE_IMMEDIATE(num
);
5232 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 5);
5234 /* Handle a 6 bit bit position at 20,22:26. */
5236 num
= pa_get_absolute_expression (&the_insn
, &s
);
5237 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5240 CHECK_FIELD (num
, 63, 0, strict
);
5241 SAVE_IMMEDIATE(num
);
5242 opcode
|= (num
& 0x20) << 6;
5243 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
5245 /* Handle a 5 bit immediate at 10 with 'd' as the complement
5246 of the high bit of the immediate. */
5248 num
= pa_get_absolute_expression (&the_insn
, &s
);
5249 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5252 CHECK_FIELD (num
, 63, 0, strict
);
5256 opcode
|= (1 << 13);
5257 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 21);
5259 /* Handle a 5 bit immediate at 10. */
5261 num
= pa_get_absolute_expression (&the_insn
, &s
);
5262 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5265 CHECK_FIELD (num
, 31, 0, strict
);
5266 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
5268 /* Handle a 9 bit immediate at 28. */
5270 num
= pa_get_absolute_expression (&the_insn
, &s
);
5271 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5274 CHECK_FIELD (num
, 511, 1, strict
);
5275 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
5277 /* Handle a 13 bit immediate at 18. */
5279 num
= pa_get_absolute_expression (&the_insn
, &s
);
5280 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5283 CHECK_FIELD (num
, 8191, 0, strict
);
5284 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
5286 /* Handle a 26 bit immediate at 31. */
5288 num
= pa_get_absolute_expression (&the_insn
, &s
);
5289 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5292 CHECK_FIELD (num
, 67108863, 0, strict
);
5293 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5295 /* Handle a 3 bit SFU identifier at 25. */
5298 as_bad (_("Invalid SFU identifier"));
5299 num
= pa_get_number (&the_insn
, &s
);
5300 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5303 CHECK_FIELD (num
, 7, 0, strict
);
5304 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5306 /* Handle a 20 bit SOP field for spop0. */
5308 num
= pa_get_number (&the_insn
, &s
);
5309 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5312 CHECK_FIELD (num
, 1048575, 0, strict
);
5313 num
= (num
& 0x1f) | ((num
& 0x000fffe0) << 6);
5314 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5316 /* Handle a 15bit SOP field for spop1. */
5318 num
= pa_get_number (&the_insn
, &s
);
5319 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5322 CHECK_FIELD (num
, 32767, 0, strict
);
5323 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
5325 /* Handle a 10bit SOP field for spop3. */
5327 num
= pa_get_number (&the_insn
, &s
);
5328 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5331 CHECK_FIELD (num
, 1023, 0, strict
);
5332 num
= (num
& 0x1f) | ((num
& 0x000003e0) << 6);
5333 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5335 /* Handle a 15 bit SOP field for spop2. */
5337 num
= pa_get_number (&the_insn
, &s
);
5338 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5341 CHECK_FIELD (num
, 32767, 0, strict
);
5342 num
= (num
& 0x1f) | ((num
& 0x00007fe0) << 6);
5343 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5345 /* Handle a 3-bit co-processor ID field. */
5348 as_bad (_("Invalid COPR identifier"));
5349 num
= pa_get_number (&the_insn
, &s
);
5350 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5353 CHECK_FIELD (num
, 7, 0, strict
);
5354 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5356 /* Handle a 22bit SOP field for copr. */
5358 num
= pa_get_number (&the_insn
, &s
);
5359 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5362 CHECK_FIELD (num
, 4194303, 0, strict
);
5363 num
= (num
& 0x1f) | ((num
& 0x003fffe0) << 4);
5364 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5366 /* Handle a source FP operand format completer. */
5368 if (*s
== ',' && *(s
+1) == 't')
5375 flag
= pa_parse_fp_cnv_format (&s
);
5376 the_insn
.fpof1
= flag
;
5377 if (flag
== W
|| flag
== UW
)
5379 if (flag
== DW
|| flag
== UDW
)
5381 if (flag
== QW
|| flag
== UQW
)
5383 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
5385 /* Handle a destination FP operand format completer. */
5387 /* pa_parse_format needs the ',' prefix. */
5389 flag
= pa_parse_fp_cnv_format (&s
);
5390 the_insn
.fpof2
= flag
;
5391 if (flag
== W
|| flag
== UW
)
5393 if (flag
== DW
|| flag
== UDW
)
5395 if (flag
== QW
|| flag
== UQW
)
5397 opcode
|= flag
<< 13;
5398 if (the_insn
.fpof1
== SGL
5399 || the_insn
.fpof1
== DBL
5400 || the_insn
.fpof1
== QUAD
)
5402 if (the_insn
.fpof2
== SGL
5403 || the_insn
.fpof2
== DBL
5404 || the_insn
.fpof2
== QUAD
)
5406 else if (the_insn
.fpof2
== W
5407 || the_insn
.fpof2
== DW
5408 || the_insn
.fpof2
== QW
)
5410 else if (the_insn
.fpof2
== UW
5411 || the_insn
.fpof2
== UDW
5412 || the_insn
.fpof2
== UQW
)
5417 else if (the_insn
.fpof1
== W
5418 || the_insn
.fpof1
== DW
5419 || the_insn
.fpof1
== QW
)
5421 if (the_insn
.fpof2
== SGL
5422 || the_insn
.fpof2
== DBL
5423 || the_insn
.fpof2
== QUAD
)
5428 else if (the_insn
.fpof1
== UW
5429 || the_insn
.fpof1
== UDW
5430 || the_insn
.fpof1
== UQW
)
5432 if (the_insn
.fpof2
== SGL
5433 || the_insn
.fpof2
== DBL
5434 || the_insn
.fpof2
== QUAD
)
5439 flag
|= the_insn
.trunc
;
5440 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 15);
5442 /* Handle a source FP operand format completer. */
5444 flag
= pa_parse_fp_format (&s
);
5445 the_insn
.fpof1
= flag
;
5446 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
5448 /* Handle a destination FP operand format completer. */
5450 /* pa_parse_format needs the ',' prefix. */
5452 flag
= pa_parse_fp_format (&s
);
5453 the_insn
.fpof2
= flag
;
5454 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 13);
5456 /* Handle a source FP operand format completer at 20. */
5458 flag
= pa_parse_fp_format (&s
);
5459 the_insn
.fpof1
= flag
;
5460 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
5462 /* Handle a floating point operand format at 26.
5463 Only allows single and double precision. */
5465 flag
= pa_parse_fp_format (&s
);
5471 the_insn
.fpof1
= flag
;
5477 as_bad (_("Invalid Floating Point Operand Format."));
5481 /* Handle all floating point registers. */
5485 /* Float target register. */
5487 if (!pa_parse_number (&s
, 3))
5489 /* RSEL should not be set. */
5490 if (pa_number
& FP_REG_RSEL
)
5492 num
= pa_number
- FP_REG_BASE
;
5493 CHECK_FIELD (num
, 31, 0, 0);
5494 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5496 /* Float target register with L/R selection. */
5499 if (!pa_parse_number (&s
, 1))
5501 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5502 CHECK_FIELD (num
, 31, 0, 0);
5505 /* 0x30 opcodes are FP arithmetic operation opcodes
5506 and need to be turned into 0x38 opcodes. This
5507 is not necessary for loads/stores. */
5508 if (need_pa11_opcode ()
5509 && ((opcode
& 0xfc000000) == 0x30000000))
5512 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 6 : 0);
5516 /* Float operand 1. */
5519 if (!pa_parse_number (&s
, 1))
5521 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5522 CHECK_FIELD (num
, 31, 0, 0);
5523 opcode
|= num
<< 21;
5524 if (need_pa11_opcode ())
5526 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
5532 /* Float operand 1 with L/R selection. */
5536 if (!pa_parse_number (&s
, 1))
5538 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5539 CHECK_FIELD (num
, 31, 0, 0);
5540 opcode
|= num
<< 21;
5541 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
5545 /* Float operand 2. */
5548 if (!pa_parse_number (&s
, 1))
5550 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5551 CHECK_FIELD (num
, 31, 0, 0);
5552 opcode
|= num
<< 16;
5553 if (need_pa11_opcode ())
5555 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
5561 /* Float operand 2 with L/R selection. */
5564 if (!pa_parse_number (&s
, 1))
5566 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5567 CHECK_FIELD (num
, 31, 0, 0);
5568 opcode
|= num
<< 16;
5569 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
5573 /* Float operand 3 for fmpyfadd, fmpynfadd. */
5576 if (!pa_parse_number (&s
, 1))
5578 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5579 CHECK_FIELD (num
, 31, 0, 0);
5580 opcode
|= (num
& 0x1c) << 11;
5581 opcode
|= (num
& 0x03) << 9;
5582 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 8 : 0);
5586 /* Float mult operand 1 for fmpyadd, fmpysub */
5589 if (!pa_parse_number (&s
, 1))
5591 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5592 CHECK_FIELD (num
, 31, 0, 0);
5593 if (the_insn
.fpof1
== SGL
)
5597 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5601 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5603 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
5606 /* Float mult operand 2 for fmpyadd, fmpysub */
5609 if (!pa_parse_number (&s
, 1))
5611 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5612 CHECK_FIELD (num
, 31, 0, 0);
5613 if (the_insn
.fpof1
== SGL
)
5617 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5621 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5623 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
5626 /* Float mult target for fmpyadd, fmpysub */
5629 if (!pa_parse_number (&s
, 1))
5631 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5632 CHECK_FIELD (num
, 31, 0, 0);
5633 if (the_insn
.fpof1
== SGL
)
5637 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5641 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5643 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5646 /* Float add operand 1 for fmpyadd, fmpysub */
5649 if (!pa_parse_number (&s
, 1))
5651 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5652 CHECK_FIELD (num
, 31, 0, 0);
5653 if (the_insn
.fpof1
== SGL
)
5657 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5661 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5663 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5666 /* Float add target for fmpyadd, fmpysub */
5669 if (!pa_parse_number (&s
, 1))
5671 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5672 CHECK_FIELD (num
, 31, 0, 0);
5673 if (the_insn
.fpof1
== SGL
)
5677 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5681 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5683 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
5686 /* Handle L/R register halves like 'x'. */
5690 if (!pa_parse_number (&s
, 1))
5692 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5693 CHECK_FIELD (num
, 31, 0, 0);
5694 opcode
|= num
<< 16;
5695 if (need_pa11_opcode ())
5697 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 1 : 0);
5702 /* Float target register (PA 2.0 wide). */
5704 if (!pa_parse_number (&s
, 3))
5706 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5707 CHECK_FIELD (num
, 31, 0, 0);
5708 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
5721 /* If this instruction is specific to a particular architecture,
5722 then set a new architecture. This automatic promotion crud is
5723 for compatibility with HP's old assemblers only. */
5725 && bfd_get_mach (stdoutput
) < insn
->arch
5726 && !bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, insn
->arch
))
5728 as_warn (_("could not update architecture and machine"));
5733 /* Check if the args matched. */
5736 if (&insn
[1] - pa_opcodes
< (int) NUMOPCODES
5737 && !strcmp (insn
->name
, insn
[1].name
))
5745 as_bad (_("Invalid operands %s"), error_message
);
5752 if (immediate_check
)
5754 if (pos
!= -1 && len
!= -1 && pos
< len
- 1)
5755 as_warn (_("Immediates %d and %d will give undefined behavior."),
5759 the_insn
.opcode
= opcode
;
5762 /* Assemble a single instruction storing it into a frag. */
5765 md_assemble (char *str
)
5769 /* The had better be something to assemble. */
5772 /* If we are within a procedure definition, make sure we've
5773 defined a label for the procedure; handle case where the
5774 label was defined after the .PROC directive.
5776 Note there's not need to diddle with the segment or fragment
5777 for the label symbol in this case. We have already switched
5778 into the new $CODE$ subspace at this point. */
5779 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
5781 label_symbol_struct
*label_symbol
= pa_get_label ();
5785 if (label_symbol
->lss_label
)
5787 last_call_info
->start_symbol
= label_symbol
->lss_label
;
5788 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
5791 /* Also handle allocation of a fixup to hold the unwind
5792 information when the label appears after the proc/procend. */
5793 if (within_entry_exit
)
5798 where
= frag_more (0);
5799 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
5800 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5801 NULL
, (offsetT
) 0, NULL
,
5802 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
5807 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
5810 as_bad (_("Missing function name for .PROC"));
5813 /* Assemble the instruction. Results are saved into "the_insn". */
5816 /* Get somewhere to put the assembled instruction. */
5819 /* Output the opcode. */
5820 md_number_to_chars (to
, the_insn
.opcode
, 4);
5822 /* If necessary output more stuff. */
5823 if (the_insn
.reloc
!= R_HPPA_NONE
)
5824 fix_new_hppa (frag_now
, (to
- frag_now
->fr_literal
), 4, NULL
,
5825 (offsetT
) 0, &the_insn
.exp
, the_insn
.pcrel
,
5826 the_insn
.reloc
, the_insn
.field_selector
,
5827 the_insn
.format
, the_insn
.arg_reloc
, 0);
5830 dwarf2_emit_insn (4);
5835 /* Handle an alignment directive. Special so that we can update the
5836 alignment of the subspace if necessary. */
5838 pa_align (int bytes
)
5840 /* We must have a valid space and subspace. */
5841 pa_check_current_space_and_subspace ();
5843 /* Let the generic gas code do most of the work. */
5844 s_align_bytes (bytes
);
5846 /* If bytes is a power of 2, then update the current subspace's
5847 alignment if necessary. */
5848 if (exact_log2 (bytes
) != -1)
5849 record_alignment (current_subspace
->ssd_seg
, exact_log2 (bytes
));
5853 /* Handle a .BLOCK type pseudo-op. */
5856 pa_block (int z ATTRIBUTE_UNUSED
)
5858 unsigned int temp_size
;
5861 /* We must have a valid space and subspace. */
5862 pa_check_current_space_and_subspace ();
5865 temp_size
= get_absolute_expression ();
5867 if (temp_size
> 0x3FFFFFFF)
5869 as_bad (_("Argument to .BLOCK/.BLOCKZ must be between 0 and 0x3fffffff"));
5874 /* Always fill with zeros, that's what the HP assembler does. */
5875 char *p
= frag_var (rs_fill
, 1, 1, 0, NULL
, temp_size
, NULL
);
5879 pa_undefine_label ();
5880 demand_empty_rest_of_line ();
5883 /* Handle a .begin_brtab and .end_brtab pseudo-op. */
5886 pa_brtab (int begin ATTRIBUTE_UNUSED
)
5890 /* The BRTAB relocations are only available in SOM (to denote
5891 the beginning and end of branch tables). */
5892 char *where
= frag_more (0);
5894 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5895 NULL
, (offsetT
) 0, NULL
,
5896 0, begin
? R_HPPA_BEGIN_BRTAB
: R_HPPA_END_BRTAB
,
5900 demand_empty_rest_of_line ();
5903 /* Handle a .begin_try and .end_try pseudo-op. */
5906 pa_try (int begin ATTRIBUTE_UNUSED
)
5910 char *where
= frag_more (0);
5915 /* The TRY relocations are only available in SOM (to denote
5916 the beginning and end of exception handling regions). */
5918 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5919 NULL
, (offsetT
) 0, begin
? NULL
: &exp
,
5920 0, begin
? R_HPPA_BEGIN_TRY
: R_HPPA_END_TRY
,
5924 demand_empty_rest_of_line ();
5927 /* Do the dirty work of building a call descriptor which describes
5928 where the caller placed arguments to a function call. */
5931 pa_call_args (struct call_desc
*call_desc
)
5934 unsigned int temp
, arg_reloc
;
5936 while (!is_end_of_statement ())
5938 name
= input_line_pointer
;
5939 c
= get_symbol_end ();
5940 /* Process a source argument. */
5941 if ((strncasecmp (name
, "argw", 4) == 0))
5943 temp
= atoi (name
+ 4);
5944 p
= input_line_pointer
;
5946 input_line_pointer
++;
5947 name
= input_line_pointer
;
5948 c
= get_symbol_end ();
5949 arg_reloc
= pa_build_arg_reloc (name
);
5950 call_desc
->arg_reloc
|= pa_align_arg_reloc (temp
, arg_reloc
);
5952 /* Process a return value. */
5953 else if ((strncasecmp (name
, "rtnval", 6) == 0))
5955 p
= input_line_pointer
;
5957 input_line_pointer
++;
5958 name
= input_line_pointer
;
5959 c
= get_symbol_end ();
5960 arg_reloc
= pa_build_arg_reloc (name
);
5961 call_desc
->arg_reloc
|= (arg_reloc
& 0x3);
5965 as_bad (_("Invalid .CALL argument: %s"), name
);
5967 p
= input_line_pointer
;
5969 if (!is_end_of_statement ())
5970 input_line_pointer
++;
5974 /* Handle a .CALL pseudo-op. This involves storing away information
5975 about where arguments are to be found so the linker can detect
5976 (and correct) argument location mismatches between caller and callee. */
5979 pa_call (int unused ATTRIBUTE_UNUSED
)
5982 /* We must have a valid space and subspace. */
5983 pa_check_current_space_and_subspace ();
5986 pa_call_args (&last_call_desc
);
5987 demand_empty_rest_of_line ();
5991 /* Build an entry in the UNWIND subspace from the given function
5992 attributes in CALL_INFO. This is not needed for SOM as using
5993 R_ENTRY and R_EXIT relocations allow the linker to handle building
5994 of the unwind spaces. */
5997 pa_build_unwind_subspace (struct call_info
*call_info
)
5999 asection
*seg
, *save_seg
;
6000 subsegT save_subseg
;
6001 unsigned int unwind
;
6006 if ((bfd_get_section_flags (stdoutput
, now_seg
)
6007 & (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
6008 != (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
6011 if (call_info
->start_symbol
== NULL
)
6012 /* This can happen if there were errors earlier on in the assembly. */
6015 /* Replace the start symbol with a local symbol that will be reduced
6016 to a section offset. This avoids problems with weak functions with
6017 multiple definitions, etc. */
6018 name
= xmalloc (strlen ("L$\001start_")
6019 + strlen (S_GET_NAME (call_info
->start_symbol
))
6021 strcpy (name
, "L$\001start_");
6022 strcat (name
, S_GET_NAME (call_info
->start_symbol
));
6024 /* If we have a .procend preceded by a .exit, then the symbol will have
6025 already been defined. In that case, we don't want another unwind
6027 symbolP
= symbol_find (name
);
6035 symbolP
= symbol_new (name
, now_seg
,
6036 S_GET_VALUE (call_info
->start_symbol
), frag_now
);
6037 gas_assert (symbolP
);
6038 S_CLEAR_EXTERNAL (symbolP
);
6039 symbol_table_insert (symbolP
);
6042 reloc
= R_PARISC_SEGREL32
;
6044 save_subseg
= now_subseg
;
6045 /* Get into the right seg/subseg. This may involve creating
6046 the seg the first time through. Make sure to have the
6047 old seg/subseg so that we can reset things when we are done. */
6048 seg
= bfd_get_section_by_name (stdoutput
, UNWIND_SECTION_NAME
);
6049 if (seg
== ASEC_NULL
)
6051 seg
= subseg_new (UNWIND_SECTION_NAME
, 0);
6052 bfd_set_section_flags (stdoutput
, seg
,
6053 SEC_READONLY
| SEC_HAS_CONTENTS
6054 | SEC_LOAD
| SEC_RELOC
| SEC_ALLOC
| SEC_DATA
);
6055 bfd_set_section_alignment (stdoutput
, seg
, 2);
6058 subseg_set (seg
, 0);
6060 /* Get some space to hold relocation information for the unwind
6064 /* Relocation info. for start offset of the function. */
6065 md_number_to_chars (p
, 0, 4);
6066 fix_new_hppa (frag_now
, p
- frag_now
->fr_literal
, 4,
6067 symbolP
, (offsetT
) 0,
6068 (expressionS
*) NULL
, 0, reloc
,
6071 /* Relocation info. for end offset of the function.
6073 Because we allow reductions of 32bit relocations for ELF, this will be
6074 reduced to section_sym + offset which avoids putting the temporary
6075 symbol into the symbol table. It (should) end up giving the same
6076 value as call_info->start_symbol + function size once the linker is
6077 finished with its work. */
6078 md_number_to_chars (p
+ 4, 0, 4);
6079 fix_new_hppa (frag_now
, p
+ 4 - frag_now
->fr_literal
, 4,
6080 call_info
->end_symbol
, (offsetT
) 0,
6081 (expressionS
*) NULL
, 0, reloc
,
6084 /* Dump the descriptor. */
6085 unwind
= UNWIND_LOW32 (&call_info
->ci_unwind
.descriptor
);
6086 md_number_to_chars (p
+ 8, unwind
, 4);
6088 unwind
= UNWIND_HIGH32 (&call_info
->ci_unwind
.descriptor
);
6089 md_number_to_chars (p
+ 12, unwind
, 4);
6091 /* Return back to the original segment/subsegment. */
6092 subseg_set (save_seg
, save_subseg
);
6096 /* Process a .CALLINFO pseudo-op. This information is used later
6097 to build unwind descriptors and maybe one day to support
6098 .ENTER and .LEAVE. */
6101 pa_callinfo (int unused ATTRIBUTE_UNUSED
)
6107 /* We must have a valid space and subspace. */
6108 pa_check_current_space_and_subspace ();
6111 /* .CALLINFO must appear within a procedure definition. */
6112 if (!within_procedure
)
6113 as_bad (_(".callinfo is not within a procedure definition"));
6115 /* Mark the fact that we found the .CALLINFO for the
6116 current procedure. */
6117 callinfo_found
= TRUE
;
6119 /* Iterate over the .CALLINFO arguments. */
6120 while (!is_end_of_statement ())
6122 name
= input_line_pointer
;
6123 c
= get_symbol_end ();
6124 /* Frame size specification. */
6125 if ((strncasecmp (name
, "frame", 5) == 0))
6127 p
= input_line_pointer
;
6129 input_line_pointer
++;
6130 temp
= get_absolute_expression ();
6131 if ((temp
& 0x3) != 0)
6133 as_bad (_("FRAME parameter must be a multiple of 8: %d\n"), temp
);
6137 /* callinfo is in bytes and unwind_desc is in 8 byte units. */
6138 last_call_info
->ci_unwind
.descriptor
.frame_size
= temp
/ 8;
6141 /* Entry register (GR, GR and SR) specifications. */
6142 else if ((strncasecmp (name
, "entry_gr", 8) == 0))
6144 p
= input_line_pointer
;
6146 input_line_pointer
++;
6147 temp
= get_absolute_expression ();
6148 /* The HP assembler accepts 19 as the high bound for ENTRY_GR
6149 even though %r19 is caller saved. I think this is a bug in
6150 the HP assembler, and we are not going to emulate it. */
6151 if (temp
< 3 || temp
> 18)
6152 as_bad (_("Value for ENTRY_GR must be in the range 3..18\n"));
6153 last_call_info
->ci_unwind
.descriptor
.entry_gr
= temp
- 2;
6155 else if ((strncasecmp (name
, "entry_fr", 8) == 0))
6157 p
= input_line_pointer
;
6159 input_line_pointer
++;
6160 temp
= get_absolute_expression ();
6161 /* Similarly the HP assembler takes 31 as the high bound even
6162 though %fr21 is the last callee saved floating point register. */
6163 if (temp
< 12 || temp
> 21)
6164 as_bad (_("Value for ENTRY_FR must be in the range 12..21\n"));
6165 last_call_info
->ci_unwind
.descriptor
.entry_fr
= temp
- 11;
6167 else if ((strncasecmp (name
, "entry_sr", 8) == 0))
6169 p
= input_line_pointer
;
6171 input_line_pointer
++;
6172 temp
= get_absolute_expression ();
6174 as_bad (_("Value for ENTRY_SR must be 3\n"));
6176 /* Note whether or not this function performs any calls. */
6177 else if ((strncasecmp (name
, "calls", 5) == 0) ||
6178 (strncasecmp (name
, "caller", 6) == 0))
6180 p
= input_line_pointer
;
6183 else if ((strncasecmp (name
, "no_calls", 8) == 0))
6185 p
= input_line_pointer
;
6188 /* Should RP be saved into the stack. */
6189 else if ((strncasecmp (name
, "save_rp", 7) == 0))
6191 p
= input_line_pointer
;
6193 last_call_info
->ci_unwind
.descriptor
.save_rp
= 1;
6195 /* Likewise for SP. */
6196 else if ((strncasecmp (name
, "save_sp", 7) == 0))
6198 p
= input_line_pointer
;
6200 last_call_info
->ci_unwind
.descriptor
.save_sp
= 1;
6202 /* Is this an unwindable procedure. If so mark it so
6203 in the unwind descriptor. */
6204 else if ((strncasecmp (name
, "no_unwind", 9) == 0))
6206 p
= input_line_pointer
;
6208 last_call_info
->ci_unwind
.descriptor
.cannot_unwind
= 1;
6210 /* Is this an interrupt routine. If so mark it in the
6211 unwind descriptor. */
6212 else if ((strncasecmp (name
, "hpux_int", 7) == 0))
6214 p
= input_line_pointer
;
6216 last_call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 1;
6218 /* Is this a millicode routine. "millicode" isn't in my
6219 assembler manual, but my copy is old. The HP assembler
6220 accepts it, and there's a place in the unwind descriptor
6221 to drop the information, so we'll accept it too. */
6222 else if ((strncasecmp (name
, "millicode", 9) == 0))
6224 p
= input_line_pointer
;
6226 last_call_info
->ci_unwind
.descriptor
.millicode
= 1;
6230 as_bad (_("Invalid .CALLINFO argument: %s"), name
);
6231 *input_line_pointer
= c
;
6233 if (!is_end_of_statement ())
6234 input_line_pointer
++;
6237 demand_empty_rest_of_line ();
6240 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
6241 /* Switch to the text space. Like s_text, but delete our
6242 label when finished. */
6245 pa_text (int unused ATTRIBUTE_UNUSED
)
6248 current_space
= is_defined_space ("$TEXT$");
6250 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6254 pa_undefine_label ();
6257 /* Switch to the data space. As usual delete our label. */
6260 pa_data (int unused ATTRIBUTE_UNUSED
)
6263 current_space
= is_defined_space ("$PRIVATE$");
6265 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6268 pa_undefine_label ();
6271 /* This is different than the standard GAS s_comm(). On HP9000/800 machines,
6272 the .comm pseudo-op has the following syntax:
6274 <label> .comm <length>
6276 where <label> is optional and is a symbol whose address will be the start of
6277 a block of memory <length> bytes long. <length> must be an absolute
6278 expression. <length> bytes will be allocated in the current space
6281 Also note the label may not even be on the same line as the .comm.
6283 This difference in syntax means the colon function will be called
6284 on the symbol before we arrive in pa_comm. colon will set a number
6285 of attributes of the symbol that need to be fixed here. In particular
6286 the value, section pointer, fragment pointer, flags, etc. What
6289 This also makes error detection all but impossible. */
6292 pa_comm (int unused ATTRIBUTE_UNUSED
)
6296 label_symbol_struct
*label_symbol
= pa_get_label ();
6299 symbol
= label_symbol
->lss_label
;
6304 size
= get_absolute_expression ();
6308 symbol_get_bfdsym (symbol
)->flags
|= BSF_OBJECT
;
6309 S_SET_VALUE (symbol
, size
);
6310 S_SET_SEGMENT (symbol
, bfd_com_section_ptr
);
6311 S_SET_EXTERNAL (symbol
);
6313 /* colon() has already set the frag to the current location in the
6314 current subspace; we need to reset the fragment to the zero address
6315 fragment. We also need to reset the segment pointer. */
6316 symbol_set_frag (symbol
, &zero_address_frag
);
6318 demand_empty_rest_of_line ();
6320 #endif /* !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))) */
6322 /* Process a .END pseudo-op. */
6325 pa_end (int unused ATTRIBUTE_UNUSED
)
6327 demand_empty_rest_of_line ();
6330 /* Process a .ENTER pseudo-op. This is not supported. */
6333 pa_enter (int unused ATTRIBUTE_UNUSED
)
6336 /* We must have a valid space and subspace. */
6337 pa_check_current_space_and_subspace ();
6340 as_bad (_("The .ENTER pseudo-op is not supported"));
6341 demand_empty_rest_of_line ();
6344 /* Process a .ENTRY pseudo-op. .ENTRY marks the beginning of the
6348 pa_entry (int unused ATTRIBUTE_UNUSED
)
6351 /* We must have a valid space and subspace. */
6352 pa_check_current_space_and_subspace ();
6355 if (!within_procedure
)
6356 as_bad (_("Misplaced .entry. Ignored."));
6359 if (!callinfo_found
)
6360 as_bad (_("Missing .callinfo."));
6362 demand_empty_rest_of_line ();
6363 within_entry_exit
= TRUE
;
6366 /* SOM defers building of unwind descriptors until the link phase.
6367 The assembler is responsible for creating an R_ENTRY relocation
6368 to mark the beginning of a region and hold the unwind bits, and
6369 for creating an R_EXIT relocation to mark the end of the region.
6371 FIXME. ELF should be using the same conventions! The problem
6372 is an unwind requires too much relocation space. Hmmm. Maybe
6373 if we split the unwind bits up between the relocations which
6374 denote the entry and exit points. */
6375 if (last_call_info
->start_symbol
!= NULL
)
6380 where
= frag_more (0);
6381 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
6382 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6383 NULL
, (offsetT
) 0, NULL
,
6384 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
6389 /* Silly nonsense for pa_equ. The only half-sensible use for this is
6390 being able to subtract two register symbols that specify a range of
6391 registers, to get the size of the range. */
6392 static int fudge_reg_expressions
;
6395 hppa_force_reg_syms_absolute (expressionS
*resultP
,
6396 operatorT op ATTRIBUTE_UNUSED
,
6397 expressionS
*rightP
)
6399 if (fudge_reg_expressions
6400 && rightP
->X_op
== O_register
6401 && resultP
->X_op
== O_register
)
6403 rightP
->X_op
= O_constant
;
6404 resultP
->X_op
= O_constant
;
6406 return 0; /* Continue normal expr handling. */
6409 /* Handle a .EQU pseudo-op. */
6414 label_symbol_struct
*label_symbol
= pa_get_label ();
6419 symbol
= label_symbol
->lss_label
;
6423 if (!pa_parse_number (&input_line_pointer
, 0))
6424 as_bad (_(".REG expression must be a register"));
6425 S_SET_VALUE (symbol
, pa_number
);
6426 S_SET_SEGMENT (symbol
, reg_section
);
6433 fudge_reg_expressions
= 1;
6434 seg
= expression (&exp
);
6435 fudge_reg_expressions
= 0;
6436 if (exp
.X_op
!= O_constant
6437 && exp
.X_op
!= O_register
)
6439 if (exp
.X_op
!= O_absent
)
6440 as_bad (_("bad or irreducible absolute expression; zero assumed"));
6441 exp
.X_add_number
= 0;
6442 seg
= absolute_section
;
6444 S_SET_VALUE (symbol
, (unsigned int) exp
.X_add_number
);
6445 S_SET_SEGMENT (symbol
, seg
);
6451 as_bad (_(".REG must use a label"));
6453 as_bad (_(".EQU must use a label"));
6456 pa_undefine_label ();
6457 demand_empty_rest_of_line ();
6461 /* Mark the end of a function so that it's possible to compute
6462 the size of the function in elf_hppa_final_processing. */
6465 hppa_elf_mark_end_of_function (void)
6467 /* ELF does not have EXIT relocations. All we do is create a
6468 temporary symbol marking the end of the function. */
6471 if (last_call_info
== NULL
|| last_call_info
->start_symbol
== NULL
)
6473 /* We have already warned about a missing label,
6474 or other problems. */
6478 name
= xmalloc (strlen ("L$\001end_")
6479 + strlen (S_GET_NAME (last_call_info
->start_symbol
))
6485 strcpy (name
, "L$\001end_");
6486 strcat (name
, S_GET_NAME (last_call_info
->start_symbol
));
6488 /* If we have a .exit followed by a .procend, then the
6489 symbol will have already been defined. */
6490 symbolP
= symbol_find (name
);
6493 /* The symbol has already been defined! This can
6494 happen if we have a .exit followed by a .procend.
6496 This is *not* an error. All we want to do is free
6497 the memory we just allocated for the name and continue. */
6502 /* symbol value should be the offset of the
6503 last instruction of the function */
6504 symbolP
= symbol_new (name
, now_seg
, (valueT
) (frag_now_fix () - 4),
6507 gas_assert (symbolP
);
6508 S_CLEAR_EXTERNAL (symbolP
);
6509 symbol_table_insert (symbolP
);
6513 last_call_info
->end_symbol
= symbolP
;
6515 as_bad (_("Symbol '%s' could not be created."), name
);
6519 as_bad (_("No memory for symbol name."));
6523 /* Helper function. Does processing for the end of a function. This
6524 usually involves creating some relocations or building special
6525 symbols to mark the end of the function. */
6532 where
= frag_more (0);
6535 /* Mark the end of the function, stuff away the location of the frag
6536 for the end of the function, and finally call pa_build_unwind_subspace
6537 to add an entry in the unwind table. */
6539 hppa_elf_mark_end_of_function ();
6540 pa_build_unwind_subspace (last_call_info
);
6542 /* SOM defers building of unwind descriptors until the link phase.
6543 The assembler is responsible for creating an R_ENTRY relocation
6544 to mark the beginning of a region and hold the unwind bits, and
6545 for creating an R_EXIT relocation to mark the end of the region.
6547 FIXME. ELF should be using the same conventions! The problem
6548 is an unwind requires too much relocation space. Hmmm. Maybe
6549 if we split the unwind bits up between the relocations which
6550 denote the entry and exit points. */
6551 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6553 NULL
, 0, R_HPPA_EXIT
, e_fsel
, 0, 0,
6554 UNWIND_HIGH32 (&last_call_info
->ci_unwind
.descriptor
));
6558 /* Process a .EXIT pseudo-op. */
6561 pa_exit (int unused ATTRIBUTE_UNUSED
)
6564 /* We must have a valid space and subspace. */
6565 pa_check_current_space_and_subspace ();
6568 if (!within_procedure
)
6569 as_bad (_(".EXIT must appear within a procedure"));
6572 if (!callinfo_found
)
6573 as_bad (_("Missing .callinfo"));
6576 if (!within_entry_exit
)
6577 as_bad (_("No .ENTRY for this .EXIT"));
6580 within_entry_exit
= FALSE
;
6585 demand_empty_rest_of_line ();
6588 /* Helper function to process arguments to a .EXPORT pseudo-op. */
6591 pa_type_args (symbolS
*symbolP
, int is_export
)
6594 unsigned int temp
, arg_reloc
;
6595 pa_symbol_type type
= SYMBOL_TYPE_UNKNOWN
;
6596 asymbol
*bfdsym
= symbol_get_bfdsym (symbolP
);
6598 if (strncasecmp (input_line_pointer
, "absolute", 8) == 0)
6600 input_line_pointer
+= 8;
6601 bfdsym
->flags
&= ~BSF_FUNCTION
;
6602 S_SET_SEGMENT (symbolP
, bfd_abs_section_ptr
);
6603 type
= SYMBOL_TYPE_ABSOLUTE
;
6605 else if (strncasecmp (input_line_pointer
, "code", 4) == 0)
6607 input_line_pointer
+= 4;
6608 /* IMPORTing/EXPORTing CODE types for functions is meaningless for SOM,
6609 instead one should be IMPORTing/EXPORTing ENTRY types.
6611 Complain if one tries to EXPORT a CODE type since that's never
6612 done. Both GCC and HP C still try to IMPORT CODE types, so
6613 silently fix them to be ENTRY types. */
6614 if (S_IS_FUNCTION (symbolP
))
6617 as_tsktsk (_("Using ENTRY rather than CODE in export directive for %s"),
6618 S_GET_NAME (symbolP
));
6620 bfdsym
->flags
|= BSF_FUNCTION
;
6621 type
= SYMBOL_TYPE_ENTRY
;
6625 bfdsym
->flags
&= ~BSF_FUNCTION
;
6626 type
= SYMBOL_TYPE_CODE
;
6629 else if (strncasecmp (input_line_pointer
, "data", 4) == 0)
6631 input_line_pointer
+= 4;
6632 bfdsym
->flags
&= ~BSF_FUNCTION
;
6633 bfdsym
->flags
|= BSF_OBJECT
;
6634 type
= SYMBOL_TYPE_DATA
;
6636 else if ((strncasecmp (input_line_pointer
, "entry", 5) == 0))
6638 input_line_pointer
+= 5;
6639 bfdsym
->flags
|= BSF_FUNCTION
;
6640 type
= SYMBOL_TYPE_ENTRY
;
6642 else if (strncasecmp (input_line_pointer
, "millicode", 9) == 0)
6644 input_line_pointer
+= 9;
6645 bfdsym
->flags
|= BSF_FUNCTION
;
6648 elf_symbol_type
*elfsym
= (elf_symbol_type
*) bfdsym
;
6649 elfsym
->internal_elf_sym
.st_info
=
6650 ELF_ST_INFO (ELF_ST_BIND (elfsym
->internal_elf_sym
.st_info
),
6654 type
= SYMBOL_TYPE_MILLICODE
;
6656 else if (strncasecmp (input_line_pointer
, "plabel", 6) == 0)
6658 input_line_pointer
+= 6;
6659 bfdsym
->flags
&= ~BSF_FUNCTION
;
6660 type
= SYMBOL_TYPE_PLABEL
;
6662 else if (strncasecmp (input_line_pointer
, "pri_prog", 8) == 0)
6664 input_line_pointer
+= 8;
6665 bfdsym
->flags
|= BSF_FUNCTION
;
6666 type
= SYMBOL_TYPE_PRI_PROG
;
6668 else if (strncasecmp (input_line_pointer
, "sec_prog", 8) == 0)
6670 input_line_pointer
+= 8;
6671 bfdsym
->flags
|= BSF_FUNCTION
;
6672 type
= SYMBOL_TYPE_SEC_PROG
;
6675 /* SOM requires much more information about symbol types
6676 than BFD understands. This is how we get this information
6677 to the SOM BFD backend. */
6678 #ifdef obj_set_symbol_type
6679 obj_set_symbol_type (bfdsym
, (int) type
);
6684 /* Now that the type of the exported symbol has been handled,
6685 handle any argument relocation information. */
6686 while (!is_end_of_statement ())
6688 if (*input_line_pointer
== ',')
6689 input_line_pointer
++;
6690 name
= input_line_pointer
;
6691 c
= get_symbol_end ();
6692 /* Argument sources. */
6693 if ((strncasecmp (name
, "argw", 4) == 0))
6695 p
= input_line_pointer
;
6697 input_line_pointer
++;
6698 temp
= atoi (name
+ 4);
6699 name
= input_line_pointer
;
6700 c
= get_symbol_end ();
6701 arg_reloc
= pa_align_arg_reloc (temp
, pa_build_arg_reloc (name
));
6702 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6703 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6707 *input_line_pointer
= c
;
6709 /* The return value. */
6710 else if ((strncasecmp (name
, "rtnval", 6)) == 0)
6712 p
= input_line_pointer
;
6714 input_line_pointer
++;
6715 name
= input_line_pointer
;
6716 c
= get_symbol_end ();
6717 arg_reloc
= pa_build_arg_reloc (name
);
6718 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6719 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6723 *input_line_pointer
= c
;
6725 /* Privilege level. */
6726 else if ((strncasecmp (name
, "priv_lev", 8)) == 0)
6728 p
= input_line_pointer
;
6730 input_line_pointer
++;
6731 temp
= atoi (input_line_pointer
);
6733 ((obj_symbol_type
*) bfdsym
)->tc_data
.ap
.hppa_priv_level
= temp
;
6735 c
= get_symbol_end ();
6736 *input_line_pointer
= c
;
6740 as_bad (_("Undefined .EXPORT/.IMPORT argument (ignored): %s"), name
);
6741 p
= input_line_pointer
;
6744 if (!is_end_of_statement ())
6745 input_line_pointer
++;
6749 /* Process a .EXPORT directive. This makes functions external
6750 and provides information such as argument relocation entries
6754 pa_export (int unused ATTRIBUTE_UNUSED
)
6759 name
= input_line_pointer
;
6760 c
= get_symbol_end ();
6761 /* Make sure the given symbol exists. */
6762 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6764 as_bad (_("Cannot define export symbol: %s\n"), name
);
6765 p
= input_line_pointer
;
6767 input_line_pointer
++;
6771 /* OK. Set the external bits and process argument relocations.
6772 For the HP, weak and global are not mutually exclusive.
6773 S_SET_EXTERNAL will not set BSF_GLOBAL if WEAK is set.
6774 Call S_SET_EXTERNAL to get the other processing. Manually
6775 set BSF_GLOBAL when we get back. */
6776 S_SET_EXTERNAL (symbol
);
6777 symbol_get_bfdsym (symbol
)->flags
|= BSF_GLOBAL
;
6778 p
= input_line_pointer
;
6780 if (!is_end_of_statement ())
6782 input_line_pointer
++;
6783 pa_type_args (symbol
, 1);
6787 demand_empty_rest_of_line ();
6790 /* Handle an .IMPORT pseudo-op. Any symbol referenced in a given
6791 assembly file must either be defined in the assembly file, or
6792 explicitly IMPORTED from another. */
6795 pa_import (int unused ATTRIBUTE_UNUSED
)
6800 name
= input_line_pointer
;
6801 c
= get_symbol_end ();
6803 symbol
= symbol_find (name
);
6804 /* Ugh. We might be importing a symbol defined earlier in the file,
6805 in which case all the code below will really screw things up
6806 (set the wrong segment, symbol flags & type, etc). */
6807 if (symbol
== NULL
|| !S_IS_DEFINED (symbol
))
6809 symbol
= symbol_find_or_make (name
);
6810 p
= input_line_pointer
;
6813 if (!is_end_of_statement ())
6815 input_line_pointer
++;
6816 pa_type_args (symbol
, 0);
6820 /* Sigh. To be compatible with the HP assembler and to help
6821 poorly written assembly code, we assign a type based on
6822 the current segment. Note only BSF_FUNCTION really
6823 matters, we do not need to set the full SYMBOL_TYPE_* info. */
6824 if (now_seg
== text_section
)
6825 symbol_get_bfdsym (symbol
)->flags
|= BSF_FUNCTION
;
6827 /* If the section is undefined, then the symbol is undefined
6828 Since this is an import, leave the section undefined. */
6829 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
6834 /* The symbol was already defined. Just eat everything up to
6835 the end of the current statement. */
6836 while (!is_end_of_statement ())
6837 input_line_pointer
++;
6840 demand_empty_rest_of_line ();
6843 /* Handle a .LABEL pseudo-op. */
6846 pa_label (int unused ATTRIBUTE_UNUSED
)
6850 name
= input_line_pointer
;
6851 c
= get_symbol_end ();
6853 if (strlen (name
) > 0)
6856 p
= input_line_pointer
;
6861 as_warn (_("Missing label name on .LABEL"));
6864 if (!is_end_of_statement ())
6866 as_warn (_("extra .LABEL arguments ignored."));
6867 ignore_rest_of_line ();
6869 demand_empty_rest_of_line ();
6872 /* Handle a .LEAVE pseudo-op. This is not supported yet. */
6875 pa_leave (int unused ATTRIBUTE_UNUSED
)
6878 /* We must have a valid space and subspace. */
6879 pa_check_current_space_and_subspace ();
6882 as_bad (_("The .LEAVE pseudo-op is not supported"));
6883 demand_empty_rest_of_line ();
6886 /* Handle a .LEVEL pseudo-op. */
6889 pa_level (int unused ATTRIBUTE_UNUSED
)
6893 level
= input_line_pointer
;
6894 if (strncmp (level
, "1.0", 3) == 0)
6896 input_line_pointer
+= 3;
6897 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 10))
6898 as_warn (_("could not set architecture and machine"));
6900 else if (strncmp (level
, "1.1", 3) == 0)
6902 input_line_pointer
+= 3;
6903 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 11))
6904 as_warn (_("could not set architecture and machine"));
6906 else if (strncmp (level
, "2.0w", 4) == 0)
6908 input_line_pointer
+= 4;
6909 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 25))
6910 as_warn (_("could not set architecture and machine"));
6912 else if (strncmp (level
, "2.0", 3) == 0)
6914 input_line_pointer
+= 3;
6915 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 20))
6916 as_warn (_("could not set architecture and machine"));
6920 as_bad (_("Unrecognized .LEVEL argument\n"));
6921 ignore_rest_of_line ();
6923 demand_empty_rest_of_line ();
6926 /* Handle a .ORIGIN pseudo-op. */
6929 pa_origin (int unused ATTRIBUTE_UNUSED
)
6932 /* We must have a valid space and subspace. */
6933 pa_check_current_space_and_subspace ();
6937 pa_undefine_label ();
6940 /* Handle a .PARAM pseudo-op. This is much like a .EXPORT, except it
6941 is for static functions. FIXME. Should share more code with .EXPORT. */
6944 pa_param (int unused ATTRIBUTE_UNUSED
)
6949 name
= input_line_pointer
;
6950 c
= get_symbol_end ();
6952 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6954 as_bad (_("Cannot define static symbol: %s\n"), name
);
6955 p
= input_line_pointer
;
6957 input_line_pointer
++;
6961 S_CLEAR_EXTERNAL (symbol
);
6962 p
= input_line_pointer
;
6964 if (!is_end_of_statement ())
6966 input_line_pointer
++;
6967 pa_type_args (symbol
, 0);
6971 demand_empty_rest_of_line ();
6974 /* Handle a .PROC pseudo-op. It is used to mark the beginning
6975 of a procedure from a syntactical point of view. */
6978 pa_proc (int unused ATTRIBUTE_UNUSED
)
6980 struct call_info
*call_info
;
6983 /* We must have a valid space and subspace. */
6984 pa_check_current_space_and_subspace ();
6987 if (within_procedure
)
6988 as_fatal (_("Nested procedures"));
6990 /* Reset global variables for new procedure. */
6991 callinfo_found
= FALSE
;
6992 within_procedure
= TRUE
;
6994 /* Create another call_info structure. */
6995 call_info
= xmalloc (sizeof (struct call_info
));
6998 as_fatal (_("Cannot allocate unwind descriptor\n"));
7000 memset (call_info
, 0, sizeof (struct call_info
));
7002 call_info
->ci_next
= NULL
;
7004 if (call_info_root
== NULL
)
7006 call_info_root
= call_info
;
7007 last_call_info
= call_info
;
7011 last_call_info
->ci_next
= call_info
;
7012 last_call_info
= call_info
;
7015 /* set up defaults on call_info structure */
7017 call_info
->ci_unwind
.descriptor
.cannot_unwind
= 0;
7018 call_info
->ci_unwind
.descriptor
.region_desc
= 1;
7019 call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 0;
7021 /* If we got a .PROC pseudo-op, we know that the function is defined
7022 locally. Make sure it gets into the symbol table. */
7024 label_symbol_struct
*label_symbol
= pa_get_label ();
7028 if (label_symbol
->lss_label
)
7030 last_call_info
->start_symbol
= label_symbol
->lss_label
;
7031 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
|= BSF_FUNCTION
;
7034 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7037 last_call_info
->start_symbol
= NULL
;
7040 demand_empty_rest_of_line ();
7043 /* Process the syntactical end of a procedure. Make sure all the
7044 appropriate pseudo-ops were found within the procedure. */
7047 pa_procend (int unused ATTRIBUTE_UNUSED
)
7050 /* We must have a valid space and subspace. */
7051 pa_check_current_space_and_subspace ();
7054 /* If we are within a procedure definition, make sure we've
7055 defined a label for the procedure; handle case where the
7056 label was defined after the .PROC directive.
7058 Note there's not need to diddle with the segment or fragment
7059 for the label symbol in this case. We have already switched
7060 into the new $CODE$ subspace at this point. */
7061 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
7063 label_symbol_struct
*label_symbol
= pa_get_label ();
7067 if (label_symbol
->lss_label
)
7069 last_call_info
->start_symbol
= label_symbol
->lss_label
;
7070 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
7073 /* Also handle allocation of a fixup to hold the unwind
7074 information when the label appears after the proc/procend. */
7075 if (within_entry_exit
)
7080 where
= frag_more (0);
7081 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
7082 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
7083 NULL
, (offsetT
) 0, NULL
,
7084 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
7089 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7092 as_bad (_("Missing function name for .PROC"));
7095 if (!within_procedure
)
7096 as_bad (_("misplaced .procend"));
7098 if (!callinfo_found
)
7099 as_bad (_("Missing .callinfo for this procedure"));
7101 if (within_entry_exit
)
7102 as_bad (_("Missing .EXIT for a .ENTRY"));
7105 /* ELF needs to mark the end of each function so that it can compute
7106 the size of the function (apparently its needed in the symbol table). */
7107 hppa_elf_mark_end_of_function ();
7110 within_procedure
= FALSE
;
7111 demand_empty_rest_of_line ();
7112 pa_undefine_label ();
7116 /* If VALUE is an exact power of two between zero and 2^31, then
7117 return log2 (VALUE). Else return -1. */
7120 exact_log2 (int value
)
7124 while ((1 << shift
) != value
&& shift
< 32)
7133 /* Check to make sure we have a valid space and subspace. */
7136 pa_check_current_space_and_subspace (void)
7138 if (current_space
== NULL
)
7139 as_fatal (_("Not in a space.\n"));
7141 if (current_subspace
== NULL
)
7142 as_fatal (_("Not in a subspace.\n"));
7145 /* Parse the parameters to a .SPACE directive; if CREATE_FLAG is nonzero,
7146 then create a new space entry to hold the information specified
7147 by the parameters to the .SPACE directive. */
7149 static sd_chain_struct
*
7150 pa_parse_space_stmt (char *space_name
, int create_flag
)
7152 char *name
, *ptemp
, c
;
7153 char loadable
, defined
, private, sort
;
7155 asection
*seg
= NULL
;
7156 sd_chain_struct
*space
;
7158 /* Load default values. */
7164 if (strcmp (space_name
, "$TEXT$") == 0)
7166 seg
= pa_def_spaces
[0].segment
;
7167 defined
= pa_def_spaces
[0].defined
;
7168 private = pa_def_spaces
[0].private;
7169 sort
= pa_def_spaces
[0].sort
;
7170 spnum
= pa_def_spaces
[0].spnum
;
7172 else if (strcmp (space_name
, "$PRIVATE$") == 0)
7174 seg
= pa_def_spaces
[1].segment
;
7175 defined
= pa_def_spaces
[1].defined
;
7176 private = pa_def_spaces
[1].private;
7177 sort
= pa_def_spaces
[1].sort
;
7178 spnum
= pa_def_spaces
[1].spnum
;
7181 if (!is_end_of_statement ())
7183 print_errors
= FALSE
;
7184 ptemp
= input_line_pointer
+ 1;
7185 /* First see if the space was specified as a number rather than
7186 as a name. According to the PA assembly manual the rest of
7187 the line should be ignored. */
7189 pa_parse_number (&ptemp
, 0);
7193 input_line_pointer
= ptemp
;
7197 while (!is_end_of_statement ())
7199 input_line_pointer
++;
7200 name
= input_line_pointer
;
7201 c
= get_symbol_end ();
7202 if ((strncasecmp (name
, "spnum", 5) == 0))
7204 *input_line_pointer
= c
;
7205 input_line_pointer
++;
7206 spnum
= get_absolute_expression ();
7208 else if ((strncasecmp (name
, "sort", 4) == 0))
7210 *input_line_pointer
= c
;
7211 input_line_pointer
++;
7212 sort
= get_absolute_expression ();
7214 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7216 *input_line_pointer
= c
;
7219 else if ((strncasecmp (name
, "notdefined", 10) == 0))
7221 *input_line_pointer
= c
;
7224 else if ((strncasecmp (name
, "private", 7) == 0))
7226 *input_line_pointer
= c
;
7231 as_bad (_("Invalid .SPACE argument"));
7232 *input_line_pointer
= c
;
7233 if (!is_end_of_statement ())
7234 input_line_pointer
++;
7238 print_errors
= TRUE
;
7241 if (create_flag
&& seg
== NULL
)
7242 seg
= subseg_new (space_name
, 0);
7244 /* If create_flag is nonzero, then create the new space with
7245 the attributes computed above. Else set the values in
7246 an already existing space -- this can only happen for
7247 the first occurrence of a built-in space. */
7249 space
= create_new_space (space_name
, spnum
, loadable
, defined
,
7250 private, sort
, seg
, 1);
7253 space
= is_defined_space (space_name
);
7254 SPACE_SPNUM (space
) = spnum
;
7255 SPACE_DEFINED (space
) = defined
& 1;
7256 SPACE_USER_DEFINED (space
) = 1;
7259 #ifdef obj_set_section_attributes
7260 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7266 /* Handle a .SPACE pseudo-op; this switches the current space to the
7267 given space, creating the new space if necessary. */
7270 pa_space (int unused ATTRIBUTE_UNUSED
)
7272 char *name
, c
, *space_name
, *save_s
;
7273 sd_chain_struct
*sd_chain
;
7275 if (within_procedure
)
7277 as_bad (_("Can\'t change spaces within a procedure definition. Ignored"));
7278 ignore_rest_of_line ();
7282 /* Check for some of the predefined spaces. FIXME: most of the code
7283 below is repeated several times, can we extract the common parts
7284 and place them into a subroutine or something similar? */
7285 /* FIXME Is this (and the next IF stmt) really right?
7286 What if INPUT_LINE_POINTER points to "$TEXT$FOO"? */
7287 if (strncmp (input_line_pointer
, "$TEXT$", 6) == 0)
7289 input_line_pointer
+= 6;
7290 sd_chain
= is_defined_space ("$TEXT$");
7291 if (sd_chain
== NULL
)
7292 sd_chain
= pa_parse_space_stmt ("$TEXT$", 1);
7293 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7294 sd_chain
= pa_parse_space_stmt ("$TEXT$", 0);
7296 current_space
= sd_chain
;
7297 subseg_set (text_section
, sd_chain
->sd_last_subseg
);
7299 = pa_subsegment_to_subspace (text_section
,
7300 sd_chain
->sd_last_subseg
);
7301 demand_empty_rest_of_line ();
7304 if (strncmp (input_line_pointer
, "$PRIVATE$", 9) == 0)
7306 input_line_pointer
+= 9;
7307 sd_chain
= is_defined_space ("$PRIVATE$");
7308 if (sd_chain
== NULL
)
7309 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 1);
7310 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7311 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 0);
7313 current_space
= sd_chain
;
7314 subseg_set (data_section
, sd_chain
->sd_last_subseg
);
7316 = pa_subsegment_to_subspace (data_section
,
7317 sd_chain
->sd_last_subseg
);
7318 demand_empty_rest_of_line ();
7321 if (!strncasecmp (input_line_pointer
,
7322 GDB_DEBUG_SPACE_NAME
,
7323 strlen (GDB_DEBUG_SPACE_NAME
)))
7325 input_line_pointer
+= strlen (GDB_DEBUG_SPACE_NAME
);
7326 sd_chain
= is_defined_space (GDB_DEBUG_SPACE_NAME
);
7327 if (sd_chain
== NULL
)
7328 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 1);
7329 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7330 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 0);
7332 current_space
= sd_chain
;
7335 asection
*gdb_section
7336 = bfd_make_section_old_way (stdoutput
, GDB_DEBUG_SPACE_NAME
);
7338 subseg_set (gdb_section
, sd_chain
->sd_last_subseg
);
7340 = pa_subsegment_to_subspace (gdb_section
,
7341 sd_chain
->sd_last_subseg
);
7343 demand_empty_rest_of_line ();
7347 /* It could be a space specified by number. */
7349 save_s
= input_line_pointer
;
7351 pa_parse_number (&input_line_pointer
, 0);
7354 if ((sd_chain
= pa_find_space_by_number (pa_number
)))
7356 current_space
= sd_chain
;
7358 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7360 = pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7361 sd_chain
->sd_last_subseg
);
7362 demand_empty_rest_of_line ();
7367 /* Not a number, attempt to create a new space. */
7369 input_line_pointer
= save_s
;
7370 name
= input_line_pointer
;
7371 c
= get_symbol_end ();
7372 space_name
= xmalloc (strlen (name
) + 1);
7373 strcpy (space_name
, name
);
7374 *input_line_pointer
= c
;
7376 sd_chain
= pa_parse_space_stmt (space_name
, 1);
7377 current_space
= sd_chain
;
7379 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7380 current_subspace
= pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7381 sd_chain
->sd_last_subseg
);
7382 demand_empty_rest_of_line ();
7386 /* Switch to a new space. (I think). FIXME. */
7389 pa_spnum (int unused ATTRIBUTE_UNUSED
)
7394 sd_chain_struct
*space
;
7396 name
= input_line_pointer
;
7397 c
= get_symbol_end ();
7398 space
= is_defined_space (name
);
7402 md_number_to_chars (p
, SPACE_SPNUM (space
), 4);
7405 as_warn (_("Undefined space: '%s' Assuming space number = 0."), name
);
7407 *input_line_pointer
= c
;
7408 demand_empty_rest_of_line ();
7411 /* Handle a .SUBSPACE pseudo-op; this switches the current subspace to the
7412 given subspace, creating the new subspace if necessary.
7414 FIXME. Should mirror pa_space more closely, in particular how
7415 they're broken up into subroutines. */
7418 pa_subspace (int create_new
)
7420 char *name
, *ss_name
, c
;
7421 char loadable
, code_only
, comdat
, common
, dup_common
, zero
, sort
;
7422 int i
, access_ctr
, space_index
, alignment
, quadrant
, applicable
, flags
;
7423 sd_chain_struct
*space
;
7424 ssd_chain_struct
*ssd
;
7427 if (current_space
== NULL
)
7428 as_fatal (_("Must be in a space before changing or declaring subspaces.\n"));
7430 if (within_procedure
)
7432 as_bad (_("Can\'t change subspaces within a procedure definition. Ignored"));
7433 ignore_rest_of_line ();
7437 name
= input_line_pointer
;
7438 c
= get_symbol_end ();
7439 ss_name
= xmalloc (strlen (name
) + 1);
7440 strcpy (ss_name
, name
);
7441 *input_line_pointer
= c
;
7443 /* Load default values. */
7456 space
= current_space
;
7460 ssd
= is_defined_subspace (ss_name
);
7461 /* Allow user to override the builtin attributes of subspaces. But
7462 only allow the attributes to be changed once! */
7463 if (ssd
&& SUBSPACE_DEFINED (ssd
))
7465 subseg_set (ssd
->ssd_seg
, ssd
->ssd_subseg
);
7466 current_subspace
= ssd
;
7467 if (!is_end_of_statement ())
7468 as_warn (_("Parameters of an existing subspace can\'t be modified"));
7469 demand_empty_rest_of_line ();
7474 /* A new subspace. Load default values if it matches one of
7475 the builtin subspaces. */
7477 while (pa_def_subspaces
[i
].name
)
7479 if (strcasecmp (pa_def_subspaces
[i
].name
, ss_name
) == 0)
7481 loadable
= pa_def_subspaces
[i
].loadable
;
7482 comdat
= pa_def_subspaces
[i
].comdat
;
7483 common
= pa_def_subspaces
[i
].common
;
7484 dup_common
= pa_def_subspaces
[i
].dup_common
;
7485 code_only
= pa_def_subspaces
[i
].code_only
;
7486 zero
= pa_def_subspaces
[i
].zero
;
7487 space_index
= pa_def_subspaces
[i
].space_index
;
7488 alignment
= pa_def_subspaces
[i
].alignment
;
7489 quadrant
= pa_def_subspaces
[i
].quadrant
;
7490 access_ctr
= pa_def_subspaces
[i
].access
;
7491 sort
= pa_def_subspaces
[i
].sort
;
7498 /* We should be working with a new subspace now. Fill in
7499 any information as specified by the user. */
7500 if (!is_end_of_statement ())
7502 input_line_pointer
++;
7503 while (!is_end_of_statement ())
7505 name
= input_line_pointer
;
7506 c
= get_symbol_end ();
7507 if ((strncasecmp (name
, "quad", 4) == 0))
7509 *input_line_pointer
= c
;
7510 input_line_pointer
++;
7511 quadrant
= get_absolute_expression ();
7513 else if ((strncasecmp (name
, "align", 5) == 0))
7515 *input_line_pointer
= c
;
7516 input_line_pointer
++;
7517 alignment
= get_absolute_expression ();
7518 if (exact_log2 (alignment
) == -1)
7520 as_bad (_("Alignment must be a power of 2"));
7524 else if ((strncasecmp (name
, "access", 6) == 0))
7526 *input_line_pointer
= c
;
7527 input_line_pointer
++;
7528 access_ctr
= get_absolute_expression ();
7530 else if ((strncasecmp (name
, "sort", 4) == 0))
7532 *input_line_pointer
= c
;
7533 input_line_pointer
++;
7534 sort
= get_absolute_expression ();
7536 else if ((strncasecmp (name
, "code_only", 9) == 0))
7538 *input_line_pointer
= c
;
7541 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7543 *input_line_pointer
= c
;
7546 else if ((strncasecmp (name
, "comdat", 6) == 0))
7548 *input_line_pointer
= c
;
7551 else if ((strncasecmp (name
, "common", 6) == 0))
7553 *input_line_pointer
= c
;
7556 else if ((strncasecmp (name
, "dup_comm", 8) == 0))
7558 *input_line_pointer
= c
;
7561 else if ((strncasecmp (name
, "zero", 4) == 0))
7563 *input_line_pointer
= c
;
7566 else if ((strncasecmp (name
, "first", 5) == 0))
7567 as_bad (_("FIRST not supported as a .SUBSPACE argument"));
7569 as_bad (_("Invalid .SUBSPACE argument"));
7570 if (!is_end_of_statement ())
7571 input_line_pointer
++;
7575 /* Compute a reasonable set of BFD flags based on the information
7576 in the .subspace directive. */
7577 applicable
= bfd_applicable_section_flags (stdoutput
);
7580 flags
|= (SEC_ALLOC
| SEC_LOAD
);
7584 /* These flags are used to implement various flavors of initialized
7585 common. The SOM linker discards duplicate subspaces when they
7586 have the same "key" symbol name. This support is more like
7587 GNU linkonce than BFD common. Further, pc-relative relocations
7588 are converted to section relative relocations in BFD common
7589 sections. This complicates the handling of relocations in
7590 common sections containing text and isn't currently supported
7591 correctly in the SOM BFD backend. */
7592 if (comdat
|| common
|| dup_common
)
7593 flags
|= SEC_LINK_ONCE
;
7595 flags
|= SEC_RELOC
| SEC_HAS_CONTENTS
;
7597 /* This is a zero-filled subspace (eg BSS). */
7599 flags
&= ~(SEC_LOAD
| SEC_HAS_CONTENTS
);
7601 applicable
&= flags
;
7603 /* If this is an existing subspace, then we want to use the
7604 segment already associated with the subspace.
7606 FIXME NOW! ELF BFD doesn't appear to be ready to deal with
7607 lots of sections. It might be a problem in the PA ELF
7608 code, I do not know yet. For now avoid creating anything
7609 but the "standard" sections for ELF. */
7611 section
= subseg_force_new (ss_name
, 0);
7613 section
= ssd
->ssd_seg
;
7615 section
= subseg_new (ss_name
, 0);
7618 seg_info (section
)->bss
= 1;
7620 /* Now set the flags. */
7621 bfd_set_section_flags (stdoutput
, section
, applicable
);
7623 /* Record any alignment request for this section. */
7624 record_alignment (section
, exact_log2 (alignment
));
7626 /* Set the starting offset for this section. */
7627 bfd_set_section_vma (stdoutput
, section
,
7628 pa_subspace_start (space
, quadrant
));
7630 /* Now that all the flags are set, update an existing subspace,
7631 or create a new one. */
7634 current_subspace
= update_subspace (space
, ss_name
, loadable
,
7635 code_only
, comdat
, common
,
7636 dup_common
, sort
, zero
, access_ctr
,
7637 space_index
, alignment
, quadrant
,
7640 current_subspace
= create_new_subspace (space
, ss_name
, loadable
,
7641 code_only
, comdat
, common
,
7642 dup_common
, zero
, sort
,
7643 access_ctr
, space_index
,
7644 alignment
, quadrant
, section
);
7646 demand_empty_rest_of_line ();
7647 current_subspace
->ssd_seg
= section
;
7648 subseg_set (current_subspace
->ssd_seg
, current_subspace
->ssd_subseg
);
7650 SUBSPACE_DEFINED (current_subspace
) = 1;
7653 /* Create default space and subspace dictionaries. */
7656 pa_spaces_begin (void)
7660 space_dict_root
= NULL
;
7661 space_dict_last
= NULL
;
7664 while (pa_def_spaces
[i
].name
)
7668 /* Pick the right name to use for the new section. */
7669 name
= pa_def_spaces
[i
].name
;
7671 pa_def_spaces
[i
].segment
= subseg_new (name
, 0);
7672 create_new_space (pa_def_spaces
[i
].name
, pa_def_spaces
[i
].spnum
,
7673 pa_def_spaces
[i
].loadable
, pa_def_spaces
[i
].defined
,
7674 pa_def_spaces
[i
].private, pa_def_spaces
[i
].sort
,
7675 pa_def_spaces
[i
].segment
, 0);
7680 while (pa_def_subspaces
[i
].name
)
7683 int applicable
, subsegment
;
7684 asection
*segment
= NULL
;
7685 sd_chain_struct
*space
;
7687 /* Pick the right name for the new section and pick the right
7688 subsegment number. */
7689 name
= pa_def_subspaces
[i
].name
;
7692 /* Create the new section. */
7693 segment
= subseg_new (name
, subsegment
);
7695 /* For SOM we want to replace the standard .text, .data, and .bss
7696 sections with our own. We also want to set BFD flags for
7697 all the built-in subspaces. */
7698 if (!strcmp (pa_def_subspaces
[i
].name
, "$CODE$"))
7700 text_section
= segment
;
7701 applicable
= bfd_applicable_section_flags (stdoutput
);
7702 bfd_set_section_flags (stdoutput
, segment
,
7703 applicable
& (SEC_ALLOC
| SEC_LOAD
7704 | SEC_RELOC
| SEC_CODE
7706 | SEC_HAS_CONTENTS
));
7708 else if (!strcmp (pa_def_subspaces
[i
].name
, "$DATA$"))
7710 data_section
= segment
;
7711 applicable
= bfd_applicable_section_flags (stdoutput
);
7712 bfd_set_section_flags (stdoutput
, segment
,
7713 applicable
& (SEC_ALLOC
| SEC_LOAD
7715 | SEC_HAS_CONTENTS
));
7718 else if (!strcmp (pa_def_subspaces
[i
].name
, "$BSS$"))
7720 bss_section
= segment
;
7721 applicable
= bfd_applicable_section_flags (stdoutput
);
7722 bfd_set_section_flags (stdoutput
, segment
,
7723 applicable
& SEC_ALLOC
);
7725 else if (!strcmp (pa_def_subspaces
[i
].name
, "$LIT$"))
7727 applicable
= bfd_applicable_section_flags (stdoutput
);
7728 bfd_set_section_flags (stdoutput
, segment
,
7729 applicable
& (SEC_ALLOC
| SEC_LOAD
7732 | SEC_HAS_CONTENTS
));
7734 else if (!strcmp (pa_def_subspaces
[i
].name
, "$MILLICODE$"))
7736 applicable
= bfd_applicable_section_flags (stdoutput
);
7737 bfd_set_section_flags (stdoutput
, segment
,
7738 applicable
& (SEC_ALLOC
| SEC_LOAD
7741 | SEC_HAS_CONTENTS
));
7743 else if (!strcmp (pa_def_subspaces
[i
].name
, "$UNWIND$"))
7745 applicable
= bfd_applicable_section_flags (stdoutput
);
7746 bfd_set_section_flags (stdoutput
, segment
,
7747 applicable
& (SEC_ALLOC
| SEC_LOAD
7750 | SEC_HAS_CONTENTS
));
7753 /* Find the space associated with this subspace. */
7754 space
= pa_segment_to_space (pa_def_spaces
[pa_def_subspaces
[i
].
7755 def_space_index
].segment
);
7758 as_fatal (_("Internal error: Unable to find containing space for %s."),
7759 pa_def_subspaces
[i
].name
);
7762 create_new_subspace (space
, name
,
7763 pa_def_subspaces
[i
].loadable
,
7764 pa_def_subspaces
[i
].code_only
,
7765 pa_def_subspaces
[i
].comdat
,
7766 pa_def_subspaces
[i
].common
,
7767 pa_def_subspaces
[i
].dup_common
,
7768 pa_def_subspaces
[i
].zero
,
7769 pa_def_subspaces
[i
].sort
,
7770 pa_def_subspaces
[i
].access
,
7771 pa_def_subspaces
[i
].space_index
,
7772 pa_def_subspaces
[i
].alignment
,
7773 pa_def_subspaces
[i
].quadrant
,
7779 /* Create a new space NAME, with the appropriate flags as defined
7780 by the given parameters. */
7782 static sd_chain_struct
*
7783 create_new_space (char *name
,
7785 int loadable ATTRIBUTE_UNUSED
,
7792 sd_chain_struct
*chain_entry
;
7794 chain_entry
= xmalloc (sizeof (sd_chain_struct
));
7796 as_fatal (_("Out of memory: could not allocate new space chain entry: %s\n"),
7799 SPACE_NAME (chain_entry
) = xmalloc (strlen (name
) + 1);
7800 strcpy (SPACE_NAME (chain_entry
), name
);
7801 SPACE_DEFINED (chain_entry
) = defined
;
7802 SPACE_USER_DEFINED (chain_entry
) = user_defined
;
7803 SPACE_SPNUM (chain_entry
) = spnum
;
7805 chain_entry
->sd_seg
= seg
;
7806 chain_entry
->sd_last_subseg
= -1;
7807 chain_entry
->sd_subspaces
= NULL
;
7808 chain_entry
->sd_next
= NULL
;
7810 /* Find spot for the new space based on its sort key. */
7811 if (!space_dict_last
)
7812 space_dict_last
= chain_entry
;
7814 if (space_dict_root
== NULL
)
7815 space_dict_root
= chain_entry
;
7818 sd_chain_struct
*chain_pointer
;
7819 sd_chain_struct
*prev_chain_pointer
;
7821 chain_pointer
= space_dict_root
;
7822 prev_chain_pointer
= NULL
;
7824 while (chain_pointer
)
7826 prev_chain_pointer
= chain_pointer
;
7827 chain_pointer
= chain_pointer
->sd_next
;
7830 /* At this point we've found the correct place to add the new
7831 entry. So add it and update the linked lists as appropriate. */
7832 if (prev_chain_pointer
)
7834 chain_entry
->sd_next
= chain_pointer
;
7835 prev_chain_pointer
->sd_next
= chain_entry
;
7839 space_dict_root
= chain_entry
;
7840 chain_entry
->sd_next
= chain_pointer
;
7843 if (chain_entry
->sd_next
== NULL
)
7844 space_dict_last
= chain_entry
;
7847 /* This is here to catch predefined spaces which do not get
7848 modified by the user's input. Another call is found at
7849 the bottom of pa_parse_space_stmt to handle cases where
7850 the user modifies a predefined space. */
7851 #ifdef obj_set_section_attributes
7852 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7858 /* Create a new subspace NAME, with the appropriate flags as defined
7859 by the given parameters.
7861 Add the new subspace to the subspace dictionary chain in numerical
7862 order as defined by the SORT entries. */
7864 static ssd_chain_struct
*
7865 create_new_subspace (sd_chain_struct
*space
,
7867 int loadable ATTRIBUTE_UNUSED
,
7868 int code_only ATTRIBUTE_UNUSED
,
7872 int is_zero ATTRIBUTE_UNUSED
,
7875 int space_index ATTRIBUTE_UNUSED
,
7876 int alignment ATTRIBUTE_UNUSED
,
7880 ssd_chain_struct
*chain_entry
;
7882 chain_entry
= xmalloc (sizeof (ssd_chain_struct
));
7884 as_fatal (_("Out of memory: could not allocate new subspace chain entry: %s\n"), name
);
7886 SUBSPACE_NAME (chain_entry
) = xmalloc (strlen (name
) + 1);
7887 strcpy (SUBSPACE_NAME (chain_entry
), name
);
7889 /* Initialize subspace_defined. When we hit a .subspace directive
7890 we'll set it to 1 which "locks-in" the subspace attributes. */
7891 SUBSPACE_DEFINED (chain_entry
) = 0;
7893 chain_entry
->ssd_subseg
= 0;
7894 chain_entry
->ssd_seg
= seg
;
7895 chain_entry
->ssd_next
= NULL
;
7897 /* Find spot for the new subspace based on its sort key. */
7898 if (space
->sd_subspaces
== NULL
)
7899 space
->sd_subspaces
= chain_entry
;
7902 ssd_chain_struct
*chain_pointer
;
7903 ssd_chain_struct
*prev_chain_pointer
;
7905 chain_pointer
= space
->sd_subspaces
;
7906 prev_chain_pointer
= NULL
;
7908 while (chain_pointer
)
7910 prev_chain_pointer
= chain_pointer
;
7911 chain_pointer
= chain_pointer
->ssd_next
;
7914 /* Now we have somewhere to put the new entry. Insert it and update
7916 if (prev_chain_pointer
)
7918 chain_entry
->ssd_next
= chain_pointer
;
7919 prev_chain_pointer
->ssd_next
= chain_entry
;
7923 space
->sd_subspaces
= chain_entry
;
7924 chain_entry
->ssd_next
= chain_pointer
;
7928 #ifdef obj_set_subsection_attributes
7929 obj_set_subsection_attributes (seg
, space
->sd_seg
, access_ctr
, sort
,
7930 quadrant
, comdat
, common
, dup_common
);
7936 /* Update the information for the given subspace based upon the
7937 various arguments. Return the modified subspace chain entry. */
7939 static ssd_chain_struct
*
7940 update_subspace (sd_chain_struct
*space
,
7942 int loadable ATTRIBUTE_UNUSED
,
7943 int code_only ATTRIBUTE_UNUSED
,
7948 int zero ATTRIBUTE_UNUSED
,
7950 int space_index ATTRIBUTE_UNUSED
,
7951 int alignment ATTRIBUTE_UNUSED
,
7955 ssd_chain_struct
*chain_entry
;
7957 chain_entry
= is_defined_subspace (name
);
7959 #ifdef obj_set_subsection_attributes
7960 obj_set_subsection_attributes (section
, space
->sd_seg
, access_ctr
, sort
,
7961 quadrant
, comdat
, common
, dup_common
);
7967 /* Return the space chain entry for the space with the name NAME or
7968 NULL if no such space exists. */
7970 static sd_chain_struct
*
7971 is_defined_space (char *name
)
7973 sd_chain_struct
*chain_pointer
;
7975 for (chain_pointer
= space_dict_root
;
7977 chain_pointer
= chain_pointer
->sd_next
)
7978 if (strcmp (SPACE_NAME (chain_pointer
), name
) == 0)
7979 return chain_pointer
;
7981 /* No mapping from segment to space was found. Return NULL. */
7985 /* Find and return the space associated with the given seg. If no mapping
7986 from the given seg to a space is found, then return NULL.
7988 Unlike subspaces, the number of spaces is not expected to grow much,
7989 so a linear exhaustive search is OK here. */
7991 static sd_chain_struct
*
7992 pa_segment_to_space (asection
*seg
)
7994 sd_chain_struct
*space_chain
;
7996 /* Walk through each space looking for the correct mapping. */
7997 for (space_chain
= space_dict_root
;
7999 space_chain
= space_chain
->sd_next
)
8000 if (space_chain
->sd_seg
== seg
)
8003 /* Mapping was not found. Return NULL. */
8007 /* Return the first space chain entry for the subspace with the name
8008 NAME or NULL if no such subspace exists.
8010 When there are multiple subspaces with the same name, switching to
8011 the first (i.e., default) subspace is preferable in most situations.
8012 For example, it wouldn't be desirable to merge COMDAT data with non
8015 Uses a linear search through all the spaces and subspaces, this may
8016 not be appropriate if we ever being placing each function in its
8019 static ssd_chain_struct
*
8020 is_defined_subspace (char *name
)
8022 sd_chain_struct
*space_chain
;
8023 ssd_chain_struct
*subspace_chain
;
8025 /* Walk through each space. */
8026 for (space_chain
= space_dict_root
;
8028 space_chain
= space_chain
->sd_next
)
8030 /* Walk through each subspace looking for a name which matches. */
8031 for (subspace_chain
= space_chain
->sd_subspaces
;
8033 subspace_chain
= subspace_chain
->ssd_next
)
8034 if (strcmp (SUBSPACE_NAME (subspace_chain
), name
) == 0)
8035 return subspace_chain
;
8038 /* Subspace wasn't found. Return NULL. */
8042 /* Find and return the subspace associated with the given seg. If no
8043 mapping from the given seg to a subspace is found, then return NULL.
8045 If we ever put each procedure/function within its own subspace
8046 (to make life easier on the compiler and linker), then this will have
8047 to become more efficient. */
8049 static ssd_chain_struct
*
8050 pa_subsegment_to_subspace (asection
*seg
, subsegT subseg
)
8052 sd_chain_struct
*space_chain
;
8053 ssd_chain_struct
*subspace_chain
;
8055 /* Walk through each space. */
8056 for (space_chain
= space_dict_root
;
8058 space_chain
= space_chain
->sd_next
)
8060 if (space_chain
->sd_seg
== seg
)
8062 /* Walk through each subspace within each space looking for
8063 the correct mapping. */
8064 for (subspace_chain
= space_chain
->sd_subspaces
;
8066 subspace_chain
= subspace_chain
->ssd_next
)
8067 if (subspace_chain
->ssd_subseg
== (int) subseg
)
8068 return subspace_chain
;
8072 /* No mapping from subsegment to subspace found. Return NULL. */
8076 /* Given a number, try and find a space with the name number.
8078 Return a pointer to a space dictionary chain entry for the space
8079 that was found or NULL on failure. */
8081 static sd_chain_struct
*
8082 pa_find_space_by_number (int number
)
8084 sd_chain_struct
*space_chain
;
8086 for (space_chain
= space_dict_root
;
8088 space_chain
= space_chain
->sd_next
)
8090 if (SPACE_SPNUM (space_chain
) == (unsigned int) number
)
8094 /* No appropriate space found. Return NULL. */
8098 /* Return the starting address for the given subspace. If the starting
8099 address is unknown then return zero. */
8102 pa_subspace_start (sd_chain_struct
*space
, int quadrant
)
8104 /* FIXME. Assumes everyone puts read/write data at 0x4000000, this
8105 is not correct for the PA OSF1 port. */
8106 if ((strcmp (SPACE_NAME (space
), "$PRIVATE$") == 0) && quadrant
== 1)
8108 else if (space
->sd_seg
== data_section
&& quadrant
== 1)
8116 /* Helper function for pa_stringer. Used to find the end of
8120 pa_stringer_aux (char *s
)
8122 unsigned int c
= *s
& CHAR_MASK
;
8135 /* Handle a .STRING type pseudo-op. */
8138 pa_stringer (int append_zero
)
8140 char *s
, num_buf
[4];
8144 /* Preprocess the string to handle PA-specific escape sequences.
8145 For example, \xDD where DD is a hexadecimal number should be
8146 changed to \OOO where OOO is an octal number. */
8149 /* We must have a valid space and subspace. */
8150 pa_check_current_space_and_subspace ();
8153 /* Skip the opening quote. */
8154 s
= input_line_pointer
+ 1;
8156 while (is_a_char (c
= pa_stringer_aux (s
++)))
8163 /* Handle \x<num>. */
8166 unsigned int number
;
8171 /* Get past the 'x'. */
8173 for (num_digit
= 0, number
= 0, dg
= *s
;
8175 && (ISDIGIT (dg
) || (dg
>= 'a' && dg
<= 'f')
8176 || (dg
>= 'A' && dg
<= 'F'));
8180 number
= number
* 16 + dg
- '0';
8181 else if (dg
>= 'a' && dg
<= 'f')
8182 number
= number
* 16 + dg
- 'a' + 10;
8184 number
= number
* 16 + dg
- 'A' + 10;
8194 sprintf (num_buf
, "%02o", number
);
8197 sprintf (num_buf
, "%03o", number
);
8200 for (i
= 0; i
<= num_digit
; i
++)
8201 s_start
[i
] = num_buf
[i
];
8205 /* This might be a "\"", skip over the escaped char. */
8212 stringer (8 + append_zero
);
8213 pa_undefine_label ();
8216 /* Handle a .VERSION pseudo-op. */
8219 pa_version (int unused ATTRIBUTE_UNUSED
)
8222 pa_undefine_label ();
8227 /* Handle a .COMPILER pseudo-op. */
8230 pa_compiler (int unused ATTRIBUTE_UNUSED
)
8232 obj_som_compiler (0);
8233 pa_undefine_label ();
8238 /* Handle a .COPYRIGHT pseudo-op. */
8241 pa_copyright (int unused ATTRIBUTE_UNUSED
)
8244 pa_undefine_label ();
8247 /* Just like a normal cons, but when finished we have to undefine
8248 the latest space label. */
8251 pa_cons (int nbytes
)
8254 pa_undefine_label ();
8257 /* Like float_cons, but we need to undefine our label. */
8260 pa_float_cons (int float_type
)
8262 float_cons (float_type
);
8263 pa_undefine_label ();
8266 /* Like s_fill, but delete our label when finished. */
8269 pa_fill (int unused ATTRIBUTE_UNUSED
)
8272 /* We must have a valid space and subspace. */
8273 pa_check_current_space_and_subspace ();
8277 pa_undefine_label ();
8280 /* Like lcomm, but delete our label when finished. */
8283 pa_lcomm (int needs_align
)
8286 /* We must have a valid space and subspace. */
8287 pa_check_current_space_and_subspace ();
8290 s_lcomm (needs_align
);
8291 pa_undefine_label ();
8294 /* Like lsym, but delete our label when finished. */
8297 pa_lsym (int unused ATTRIBUTE_UNUSED
)
8300 /* We must have a valid space and subspace. */
8301 pa_check_current_space_and_subspace ();
8305 pa_undefine_label ();
8308 /* This function is called once, at assembler startup time. It should
8309 set up all the tables, etc. that the MD part of the assembler will need. */
8314 const char *retval
= NULL
;
8318 last_call_info
= NULL
;
8319 call_info_root
= NULL
;
8321 /* Set the default machine type. */
8322 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, DEFAULT_LEVEL
))
8323 as_warn (_("could not set architecture and machine"));
8325 /* Folding of text and data segments fails miserably on the PA.
8326 Warn user and disable "-R" option. */
8327 if (flag_readonly_data_in_text
)
8329 as_warn (_("-R option not supported on this target."));
8330 flag_readonly_data_in_text
= 0;
8337 op_hash
= hash_new ();
8339 while (i
< NUMOPCODES
)
8341 const char *name
= pa_opcodes
[i
].name
;
8343 retval
= hash_insert (op_hash
, name
, (struct pa_opcode
*) &pa_opcodes
[i
]);
8344 if (retval
!= NULL
&& *retval
!= '\0')
8346 as_fatal (_("Internal error: can't hash `%s': %s\n"), name
, retval
);
8352 if ((pa_opcodes
[i
].match
& pa_opcodes
[i
].mask
)
8353 != pa_opcodes
[i
].match
)
8355 fprintf (stderr
, _("internal error: losing opcode: `%s' \"%s\"\n"),
8356 pa_opcodes
[i
].name
, pa_opcodes
[i
].args
);
8361 while (i
< NUMOPCODES
&& !strcmp (pa_opcodes
[i
].name
, name
));
8365 as_fatal (_("Broken assembler. No assembly attempted."));
8368 /* SOM will change text_section. To make sure we never put
8369 anything into the old one switch to the new one now. */
8370 subseg_set (text_section
, 0);
8374 dummy_symbol
= symbol_find_or_make ("L$dummy");
8375 S_SET_SEGMENT (dummy_symbol
, text_section
);
8376 /* Force the symbol to be converted to a real symbol. */
8377 symbol_get_bfdsym (dummy_symbol
)->flags
|= BSF_KEEP
;
8381 /* On the PA relocations which involve function symbols must not be
8382 adjusted. This so that the linker can know when/how to create argument
8383 relocation stubs for indirect calls and calls to static functions.
8385 "T" field selectors create DLT relative fixups for accessing
8386 globals and statics in PIC code; each DLT relative fixup creates
8387 an entry in the DLT table. The entries contain the address of
8388 the final target (eg accessing "foo" would create a DLT entry
8389 with the address of "foo").
8391 Unfortunately, the HP linker doesn't take into account any addend
8392 when generating the DLT; so accessing $LIT$+8 puts the address of
8393 $LIT$ into the DLT rather than the address of $LIT$+8.
8395 The end result is we can't perform relocation symbol reductions for
8396 any fixup which creates entries in the DLT (eg they use "T" field
8399 ??? Reject reductions involving symbols with external scope; such
8400 reductions make life a living hell for object file editors. */
8403 hppa_fix_adjustable (fixS
*fixp
)
8408 struct hppa_fix_struct
*hppa_fix
;
8410 hppa_fix
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8413 /* LR/RR selectors are implicitly used for a number of different relocation
8414 types. We must ensure that none of these types are adjusted (see below)
8415 even if they occur with a different selector. */
8416 code
= elf_hppa_reloc_final_type (stdoutput
, fixp
->fx_r_type
,
8417 hppa_fix
->fx_r_format
,
8418 hppa_fix
->fx_r_field
);
8422 /* Relocation types which use e_lrsel. */
8423 case R_PARISC_DIR21L
:
8424 case R_PARISC_DLTREL21L
:
8425 case R_PARISC_DPREL21L
:
8426 case R_PARISC_PLTOFF21L
:
8428 /* Relocation types which use e_rrsel. */
8429 case R_PARISC_DIR14R
:
8430 case R_PARISC_DIR14DR
:
8431 case R_PARISC_DIR14WR
:
8432 case R_PARISC_DIR17R
:
8433 case R_PARISC_DLTREL14R
:
8434 case R_PARISC_DLTREL14DR
:
8435 case R_PARISC_DLTREL14WR
:
8436 case R_PARISC_DPREL14R
:
8437 case R_PARISC_DPREL14DR
:
8438 case R_PARISC_DPREL14WR
:
8439 case R_PARISC_PLTOFF14R
:
8440 case R_PARISC_PLTOFF14DR
:
8441 case R_PARISC_PLTOFF14WR
:
8443 /* Other types that we reject for reduction. */
8444 case R_PARISC_GNU_VTENTRY
:
8445 case R_PARISC_GNU_VTINHERIT
:
8452 /* Reject reductions of symbols in sym1-sym2 expressions when
8453 the fixup will occur in a CODE subspace.
8455 XXX FIXME: Long term we probably want to reject all of these;
8456 for example reducing in the debug section would lose if we ever
8457 supported using the optimizing hp linker. */
8460 && (hppa_fix
->segment
->flags
& SEC_CODE
))
8463 /* We can't adjust any relocs that use LR% and RR% field selectors.
8465 If a symbol is reduced to a section symbol, the assembler will
8466 adjust the addend unless the symbol happens to reside right at
8467 the start of the section. Additionally, the linker has no choice
8468 but to manipulate the addends when coalescing input sections for
8469 "ld -r". Since an LR% field selector is defined to round the
8470 addend, we can't change the addend without risking that a LR% and
8471 it's corresponding (possible multiple) RR% field will no longer
8472 sum to the right value.
8475 . ldil LR%foo+0,%r21
8476 . ldw RR%foo+0(%r21),%r26
8477 . ldw RR%foo+4(%r21),%r25
8479 If foo is at address 4092 (decimal) in section `sect', then after
8480 reducing to the section symbol we get
8481 . LR%sect+4092 == (L%sect)+0
8482 . RR%sect+4092 == (R%sect)+4092
8483 . RR%sect+4096 == (R%sect)-4096
8484 and the last address loses because rounding the addend to 8k
8485 multiples takes us up to 8192 with an offset of -4096.
8487 In cases where the LR% expression is identical to the RR% one we
8488 will never have a problem, but is so happens that gcc rounds
8489 addends involved in LR% field selectors to work around a HP
8490 linker bug. ie. We often have addresses like the last case
8491 above where the LR% expression is offset from the RR% one. */
8493 if (hppa_fix
->fx_r_field
== e_lrsel
8494 || hppa_fix
->fx_r_field
== e_rrsel
8495 || hppa_fix
->fx_r_field
== e_nlrsel
)
8498 /* Reject reductions of symbols in DLT relative relocs,
8499 relocations with plabels. */
8500 if (hppa_fix
->fx_r_field
== e_tsel
8501 || hppa_fix
->fx_r_field
== e_ltsel
8502 || hppa_fix
->fx_r_field
== e_rtsel
8503 || hppa_fix
->fx_r_field
== e_psel
8504 || hppa_fix
->fx_r_field
== e_rpsel
8505 || hppa_fix
->fx_r_field
== e_lpsel
)
8508 /* Reject absolute calls (jumps). */
8509 if (hppa_fix
->fx_r_type
== R_HPPA_ABS_CALL
)
8512 /* Reject reductions of function symbols. */
8513 if (fixp
->fx_addsy
!= 0 && S_IS_FUNCTION (fixp
->fx_addsy
))
8519 /* Return nonzero if the fixup in FIXP will require a relocation,
8520 even it if appears that the fixup could be completely handled
8524 hppa_force_relocation (struct fix
*fixp
)
8526 struct hppa_fix_struct
*hppa_fixp
;
8528 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8530 if (fixp
->fx_r_type
== (int) R_HPPA_ENTRY
8531 || fixp
->fx_r_type
== (int) R_HPPA_EXIT
8532 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_BRTAB
8533 || fixp
->fx_r_type
== (int) R_HPPA_END_BRTAB
8534 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_TRY
8535 || fixp
->fx_r_type
== (int) R_HPPA_END_TRY
8536 || (fixp
->fx_addsy
!= NULL
&& fixp
->fx_subsy
!= NULL
8537 && (hppa_fixp
->segment
->flags
& SEC_CODE
) != 0))
8541 if (fixp
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
8542 || fixp
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
)
8546 gas_assert (fixp
->fx_addsy
!= NULL
);
8548 /* Ensure we emit a relocation for global symbols so that dynamic
8550 if (S_FORCE_RELOC (fixp
->fx_addsy
, 1))
8553 /* It is necessary to force PC-relative calls/jumps to have a relocation
8554 entry if they're going to need either an argument relocation or long
8557 && arg_reloc_stub_needed (symbol_arg_reloc_info (fixp
->fx_addsy
),
8558 hppa_fixp
->fx_arg_reloc
))
8561 /* Now check to see if we're going to need a long-branch stub. */
8562 if (fixp
->fx_r_type
== (int) R_HPPA_PCREL_CALL
)
8564 long pc
= md_pcrel_from (fixp
);
8565 valueT distance
, min_stub_distance
;
8567 distance
= fixp
->fx_offset
+ S_GET_VALUE (fixp
->fx_addsy
) - pc
- 8;
8569 /* Distance to the closest possible stub. This will detect most
8570 but not all circumstances where a stub will not work. */
8571 min_stub_distance
= pc
+ 16;
8573 if (last_call_info
!= NULL
)
8574 min_stub_distance
-= S_GET_VALUE (last_call_info
->start_symbol
);
8577 if ((distance
+ 8388608 >= 16777216
8578 && min_stub_distance
<= 8388608)
8579 || (hppa_fixp
->fx_r_format
== 17
8580 && distance
+ 262144 >= 524288
8581 && min_stub_distance
<= 262144)
8582 || (hppa_fixp
->fx_r_format
== 12
8583 && distance
+ 8192 >= 16384
8584 && min_stub_distance
<= 8192)
8589 if (fixp
->fx_r_type
== (int) R_HPPA_ABS_CALL
)
8592 /* No need (yet) to force another relocations to be emitted. */
8596 /* Now for some ELF specific code. FIXME. */
8598 /* For ELF, this function serves one purpose: to setup the st_size
8599 field of STT_FUNC symbols. To do this, we need to scan the
8600 call_info structure list, determining st_size in by taking the
8601 difference in the address of the beginning/end marker symbols. */
8604 elf_hppa_final_processing (void)
8606 struct call_info
*call_info_pointer
;
8608 for (call_info_pointer
= call_info_root
;
8610 call_info_pointer
= call_info_pointer
->ci_next
)
8612 elf_symbol_type
*esym
8613 = ((elf_symbol_type
*)
8614 symbol_get_bfdsym (call_info_pointer
->start_symbol
));
8615 esym
->internal_elf_sym
.st_size
=
8616 S_GET_VALUE (call_info_pointer
->end_symbol
)
8617 - S_GET_VALUE (call_info_pointer
->start_symbol
) + 4;
8622 pa_vtable_entry (int ignore ATTRIBUTE_UNUSED
)
8624 struct fix
*new_fix
;
8626 new_fix
= obj_elf_vtable_entry (0);
8630 struct hppa_fix_struct
* hppa_fix
= obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
8632 hppa_fix
->fx_r_type
= R_HPPA
;
8633 hppa_fix
->fx_r_field
= e_fsel
;
8634 hppa_fix
->fx_r_format
= 32;
8635 hppa_fix
->fx_arg_reloc
= 0;
8636 hppa_fix
->segment
= now_seg
;
8637 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8638 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTENTRY
;
8643 pa_vtable_inherit (int ignore ATTRIBUTE_UNUSED
)
8645 struct fix
*new_fix
;
8647 new_fix
= obj_elf_vtable_inherit (0);
8651 struct hppa_fix_struct
* hppa_fix
= obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
8653 hppa_fix
->fx_r_type
= R_HPPA
;
8654 hppa_fix
->fx_r_field
= e_fsel
;
8655 hppa_fix
->fx_r_format
= 32;
8656 hppa_fix
->fx_arg_reloc
= 0;
8657 hppa_fix
->segment
= now_seg
;
8658 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8659 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTINHERIT
;
8664 /* Table of pseudo ops for the PA. FIXME -- how many of these
8665 are now redundant with the overall GAS and the object file
8666 dependent tables? */
8667 const pseudo_typeS md_pseudo_table
[] =
8669 /* align pseudo-ops on the PA specify the actual alignment requested,
8670 not the log2 of the requested alignment. */
8672 {"align", pa_align
, 8},
8675 {"align", s_align_bytes
, 8},
8677 {"begin_brtab", pa_brtab
, 1},
8678 {"begin_try", pa_try
, 1},
8679 {"block", pa_block
, 1},
8680 {"blockz", pa_block
, 0},
8681 {"byte", pa_cons
, 1},
8682 {"call", pa_call
, 0},
8683 {"callinfo", pa_callinfo
, 0},
8684 #if defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))
8685 {"code", obj_elf_text
, 0},
8687 {"code", pa_text
, 0},
8688 {"comm", pa_comm
, 0},
8691 {"compiler", pa_compiler
, 0},
8693 {"copyright", pa_copyright
, 0},
8694 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
8695 {"data", pa_data
, 0},
8697 {"double", pa_float_cons
, 'd'},
8698 {"dword", pa_cons
, 8},
8700 {"end_brtab", pa_brtab
, 0},
8701 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
8702 {"end_try", pa_try
, 0},
8704 {"enter", pa_enter
, 0},
8705 {"entry", pa_entry
, 0},
8707 {"exit", pa_exit
, 0},
8708 {"export", pa_export
, 0},
8709 {"fill", pa_fill
, 0},
8710 {"float", pa_float_cons
, 'f'},
8711 {"half", pa_cons
, 2},
8712 {"import", pa_import
, 0},
8713 {"int", pa_cons
, 4},
8714 {"label", pa_label
, 0},
8715 {"lcomm", pa_lcomm
, 0},
8716 {"leave", pa_leave
, 0},
8717 {"level", pa_level
, 0},
8718 {"long", pa_cons
, 4},
8719 {"lsym", pa_lsym
, 0},
8721 {"nsubspa", pa_subspace
, 1},
8723 {"octa", pa_cons
, 16},
8724 {"org", pa_origin
, 0},
8725 {"origin", pa_origin
, 0},
8726 {"param", pa_param
, 0},
8727 {"proc", pa_proc
, 0},
8728 {"procend", pa_procend
, 0},
8729 {"quad", pa_cons
, 8},
8731 {"short", pa_cons
, 2},
8732 {"single", pa_float_cons
, 'f'},
8734 {"space", pa_space
, 0},
8735 {"spnum", pa_spnum
, 0},
8737 {"string", pa_stringer
, 0},
8738 {"stringz", pa_stringer
, 1},
8740 {"subspa", pa_subspace
, 0},
8742 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
8743 {"text", pa_text
, 0},
8745 {"version", pa_version
, 0},
8747 {"vtable_entry", pa_vtable_entry
, 0},
8748 {"vtable_inherit", pa_vtable_inherit
, 0},
8750 {"word", pa_cons
, 4},
8756 hppa_cfi_frame_initial_instructions (void)
8758 cfi_add_CFA_def_cfa (30, 0);
8762 hppa_regname_to_dw2regnum (char *regname
)
8764 unsigned int regnum
= -1;
8768 static struct { char *name
; int dw2regnum
; } regnames
[] =
8770 { "sp", 30 }, { "rp", 2 },
8773 for (i
= 0; i
< ARRAY_SIZE (regnames
); ++i
)
8774 if (strcmp (regnames
[i
].name
, regname
) == 0)
8775 return regnames
[i
].dw2regnum
;
8777 if (regname
[0] == 'r')
8780 regnum
= strtoul (p
, &q
, 10);
8781 if (p
== q
|| *q
|| regnum
>= 32)
8784 else if (regname
[0] == 'f' && regname
[1] == 'r')
8787 regnum
= strtoul (p
, &q
, 10);
8788 #if TARGET_ARCH_SIZE == 64
8789 if (p
== q
|| *q
|| regnum
<= 4 || regnum
>= 32)
8794 || (*q
&& ((*q
!= 'L' && *q
!= 'R') || *(q
+ 1)))
8795 || regnum
<= 4 || regnum
>= 32)
8797 regnum
= (regnum
- 4) * 2 + 32;