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 /* This is not perfect, but is a huge improvement over doing nothing.
2557 The PA assembly syntax is ambiguous in a variety of ways. Consider
2558 this string "4 %r5" Is that the number 4 followed by the register
2559 r5, or is that 4 MOD r5?
2561 If we get a modulo expression when looking for an absolute, we try
2562 again cutting off the input string at the first whitespace character. */
2563 if (insn
->exp
.X_op
== O_modulus
)
2567 input_line_pointer
= *strp
;
2569 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
2575 pa_get_absolute_expression (insn
, strp
);
2577 input_line_pointer
= save_in
;
2579 return evaluate_absolute (insn
);
2581 /* When in strict mode we have a non-match, fix up the pointers
2582 and return to our caller. */
2583 if (insn
->exp
.X_op
!= O_constant
&& strict
)
2585 expr_end
= input_line_pointer
;
2586 input_line_pointer
= save_in
;
2589 if (insn
->exp
.X_op
!= O_constant
)
2591 as_bad (_("Bad segment (should be absolute)."));
2592 expr_end
= input_line_pointer
;
2593 input_line_pointer
= save_in
;
2596 expr_end
= input_line_pointer
;
2597 input_line_pointer
= save_in
;
2598 return evaluate_absolute (insn
);
2601 /* Given an argument location specification return the associated
2602 argument location number. */
2605 pa_build_arg_reloc (char *type_name
)
2608 if (strncasecmp (type_name
, "no", 2) == 0)
2610 if (strncasecmp (type_name
, "gr", 2) == 0)
2612 else if (strncasecmp (type_name
, "fr", 2) == 0)
2614 else if (strncasecmp (type_name
, "fu", 2) == 0)
2617 as_bad (_("Invalid argument location: %s\n"), type_name
);
2622 /* Encode and return an argument relocation specification for
2623 the given register in the location specified by arg_reloc. */
2626 pa_align_arg_reloc (unsigned int reg
, unsigned int arg_reloc
)
2628 unsigned int new_reloc
;
2630 new_reloc
= arg_reloc
;
2646 as_bad (_("Invalid argument description: %d"), reg
);
2652 /* Parse a non-negated compare/subtract completer returning the
2653 number (for encoding in instructions) of the given completer. */
2656 pa_parse_nonneg_cmpsub_cmpltr (char **s
)
2659 char *name
= *s
+ 1;
2668 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2673 if (strcmp (name
, "=") == 0)
2677 else 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 (strcasecmp (name
, "sv") == 0)
2697 else if (strcasecmp (name
, "od") == 0)
2701 /* If we have something like addb,n then there is no condition
2703 else if (strcasecmp (name
, "n") == 0)
2715 /* Reset pointers if this was really a ,n for a branch instruction. */
2722 /* Parse a negated compare/subtract completer returning the
2723 number (for encoding in instructions) of the given completer. */
2726 pa_parse_neg_cmpsub_cmpltr (char **s
)
2729 char *name
= *s
+ 1;
2738 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2743 if (strcasecmp (name
, "tr") == 0)
2747 else if (strcmp (name
, "<>") == 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 (strcasecmp (name
, "nsv") == 0)
2771 else if (strcasecmp (name
, "ev") == 0)
2775 /* If we have something like addb,n then there is no condition
2777 else if (strcasecmp (name
, "n") == 0)
2789 /* Reset pointers if this was really a ,n for a branch instruction. */
2796 /* Parse a 64 bit compare and branch completer returning the number (for
2797 encoding in instructions) of the given completer.
2799 Nonnegated comparisons are returned as 0-7, negated comparisons are
2800 returned as 8-15. */
2803 pa_parse_cmpb_64_cmpltr (char **s
)
2806 char *name
= *s
+ 1;
2813 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2818 if (strcmp (name
, "*") == 0)
2822 else if (strcmp (name
, "*=") == 0)
2826 else if (strcmp (name
, "*<") == 0)
2830 else if (strcmp (name
, "*<=") == 0)
2834 else if (strcmp (name
, "*<<") == 0)
2838 else if (strcmp (name
, "*<<=") == 0)
2842 else if (strcasecmp (name
, "*sv") == 0)
2846 else if (strcasecmp (name
, "*od") == 0)
2850 else if (strcasecmp (name
, "*tr") == 0)
2854 else if (strcmp (name
, "*<>") == 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 (strcasecmp (name
, "*nsv") == 0)
2878 else if (strcasecmp (name
, "*ev") == 0)
2892 /* Parse a 64 bit compare immediate and branch completer returning the number
2893 (for encoding in instructions) of the given completer. */
2896 pa_parse_cmpib_64_cmpltr (char **s
)
2899 char *name
= *s
+ 1;
2906 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2911 if (strcmp (name
, "*<<") == 0)
2915 else 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 (strcasecmp (name
, "*>=") == 0)
2939 else if (strcasecmp (name
, "*>") == 0)
2953 /* Parse a non-negated addition completer returning the number
2954 (for encoding in instructions) of the given completer. */
2957 pa_parse_nonneg_add_cmpltr (char **s
)
2960 char *name
= *s
+ 1;
2969 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
2973 if (strcmp (name
, "=") == 0)
2977 else if (strcmp (name
, "<") == 0)
2981 else if (strcmp (name
, "<=") == 0)
2985 else if (strcasecmp (name
, "nuv") == 0)
2989 else if (strcasecmp (name
, "znv") == 0)
2993 else if (strcasecmp (name
, "sv") == 0)
2997 else if (strcasecmp (name
, "od") == 0)
3001 /* If we have something like addb,n then there is no condition
3003 else if (strcasecmp (name
, "n") == 0)
3015 /* Reset pointers if this was really a ,n for a branch instruction. */
3022 /* Parse a negated addition completer returning the number
3023 (for encoding in instructions) of the given completer. */
3026 pa_parse_neg_add_cmpltr (char **s
)
3029 char *name
= *s
+ 1;
3038 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
3042 if (strcasecmp (name
, "tr") == 0)
3046 else if (strcmp (name
, "<>") == 0)
3050 else if (strcmp (name
, ">=") == 0)
3054 else if (strcmp (name
, ">") == 0)
3058 else if (strcasecmp (name
, "uv") == 0)
3062 else if (strcasecmp (name
, "vnz") == 0)
3066 else if (strcasecmp (name
, "nsv") == 0)
3070 else if (strcasecmp (name
, "ev") == 0)
3074 /* If we have something like addb,n then there is no condition
3076 else if (strcasecmp (name
, "n") == 0)
3088 /* Reset pointers if this was really a ,n for a branch instruction. */
3095 /* Parse a 64 bit wide mode add and branch completer returning the number (for
3096 encoding in instructions) of the given completer. */
3099 pa_parse_addb_64_cmpltr (char **s
)
3102 char *name
= *s
+ 1;
3111 while (**s
!= ',' && **s
!= ' ' && **s
!= '\t')
3115 if (strcmp (name
, "=") == 0)
3119 else if (strcmp (name
, "<") == 0)
3123 else if (strcmp (name
, "<=") == 0)
3127 else if (strcasecmp (name
, "nuv") == 0)
3131 else if (strcasecmp (name
, "*=") == 0)
3135 else if (strcasecmp (name
, "*<") == 0)
3139 else if (strcasecmp (name
, "*<=") == 0)
3143 else if (strcmp (name
, "tr") == 0)
3147 else if (strcmp (name
, "<>") == 0)
3151 else if (strcmp (name
, ">=") == 0)
3155 else if (strcmp (name
, ">") == 0)
3159 else if (strcasecmp (name
, "uv") == 0)
3163 else if (strcasecmp (name
, "*<>") == 0)
3167 else if (strcasecmp (name
, "*>=") == 0)
3171 else if (strcasecmp (name
, "*>") == 0)
3175 /* If we have something like addb,n then there is no condition
3177 else if (strcasecmp (name
, "n") == 0)
3189 /* Reset pointers if this was really a ,n for a branch instruction. */
3196 /* Do the real work for assembling a single instruction. Store results
3197 into the global "the_insn" variable. */
3202 char *error_message
= "";
3203 char *s
, c
, *argstart
, *name
, *save_s
;
3207 int cmpltr
, nullif
, flag
, cond
, need_cond
, num
;
3208 int immediate_check
= 0, pos
= -1, len
= -1;
3209 unsigned long opcode
;
3210 struct pa_opcode
*insn
;
3213 /* We must have a valid space and subspace. */
3214 pa_check_current_space_and_subspace ();
3217 /* Convert everything up to the first whitespace character into lower
3219 for (s
= str
; *s
!= ' ' && *s
!= '\t' && *s
!= '\n' && *s
!= '\0'; s
++)
3222 /* Skip to something interesting. */
3224 ISUPPER (*s
) || ISLOWER (*s
) || (*s
>= '0' && *s
<= '3');
3244 as_bad (_("Unknown opcode: `%s'"), str
);
3248 /* Look up the opcode in the hash table. */
3249 if ((insn
= (struct pa_opcode
*) hash_find (op_hash
, str
)) == NULL
)
3251 as_bad (_("Unknown opcode: `%s'"), str
);
3258 /* Mark the location where arguments for the instruction start, then
3259 start processing them. */
3263 /* Do some initialization. */
3264 opcode
= insn
->match
;
3265 strict
= (insn
->flags
& FLAG_STRICT
);
3266 memset (&the_insn
, 0, sizeof (the_insn
));
3269 the_insn
.reloc
= R_HPPA_NONE
;
3271 if (insn
->arch
>= pa20
3272 && bfd_get_mach (stdoutput
) < insn
->arch
)
3275 /* Build the opcode, checking as we go to make
3276 sure that the operands match. */
3277 for (args
= insn
->args
;; ++args
)
3279 /* Absorb white space in instruction. */
3280 while (*s
== ' ' || *s
== '\t')
3285 /* End of arguments. */
3301 /* These must match exactly. */
3310 /* Handle a 5 bit register or control register field at 10. */
3313 if (!pa_parse_number (&s
, 0))
3316 CHECK_FIELD (num
, 31, 0, 0);
3317 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3319 /* Handle %sar or %cr11. No bits get set, we just verify that it
3322 /* Skip whitespace before register. */
3323 while (*s
== ' ' || *s
== '\t')
3326 if (!strncasecmp (s
, "%sar", 4))
3331 else if (!strncasecmp (s
, "%cr11", 5))
3338 /* Handle a 5 bit register field at 15. */
3340 if (!pa_parse_number (&s
, 0))
3343 CHECK_FIELD (num
, 31, 0, 0);
3344 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3346 /* Handle a 5 bit register field at 31. */
3348 if (!pa_parse_number (&s
, 0))
3351 CHECK_FIELD (num
, 31, 0, 0);
3352 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3354 /* Handle a 5 bit register field at 10 and 15. */
3356 if (!pa_parse_number (&s
, 0))
3359 CHECK_FIELD (num
, 31, 0, 0);
3360 opcode
|= num
<< 16;
3361 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
3363 /* Handle a 5 bit field length at 31. */
3365 num
= pa_get_absolute_expression (&the_insn
, &s
);
3366 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3369 CHECK_FIELD (num
, 32, 1, 0);
3370 SAVE_IMMEDIATE(num
);
3371 INSERT_FIELD_AND_CONTINUE (opcode
, 32 - num
, 0);
3373 /* Handle a 5 bit immediate at 15. */
3375 num
= pa_get_absolute_expression (&the_insn
, &s
);
3376 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3379 /* When in strict mode, we want to just reject this
3380 match instead of giving an out of range error. */
3381 CHECK_FIELD (num
, 15, -16, strict
);
3382 num
= low_sign_unext (num
, 5);
3383 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3385 /* Handle a 5 bit immediate at 31. */
3387 num
= pa_get_absolute_expression (&the_insn
, &s
);
3388 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3391 /* When in strict mode, we want to just reject this
3392 match instead of giving an out of range error. */
3393 CHECK_FIELD (num
, 15, -16, strict
);
3394 num
= low_sign_unext (num
, 5);
3395 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3397 /* Handle an unsigned 5 bit immediate at 31. */
3399 num
= pa_get_absolute_expression (&the_insn
, &s
);
3400 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3403 CHECK_FIELD (num
, 31, 0, strict
);
3404 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
3406 /* Handle an unsigned 5 bit immediate at 15. */
3408 num
= pa_get_absolute_expression (&the_insn
, &s
);
3409 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3412 CHECK_FIELD (num
, 31, 0, strict
);
3413 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3415 /* Handle an unsigned 10 bit immediate at 15. */
3417 num
= pa_get_absolute_expression (&the_insn
, &s
);
3418 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
3421 CHECK_FIELD (num
, 1023, 0, strict
);
3422 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
3424 /* Handle a 2 bit space identifier at 17. */
3426 if (!pa_parse_number (&s
, 0))
3429 CHECK_FIELD (num
, 3, 0, 1);
3430 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 14);
3432 /* Handle a 3 bit space identifier at 18. */
3434 if (!pa_parse_number (&s
, 0))
3437 CHECK_FIELD (num
, 7, 0, 1);
3438 opcode
|= re_assemble_3 (num
);
3441 /* Handle all completers. */
3446 /* Handle a completer for an indexing load or store. */
3453 while (*s
== ',' && i
< 2)
3456 if (strncasecmp (s
, "sm", 2) == 0)
3463 else if (strncasecmp (s
, "m", 1) == 0)
3465 else if ((strncasecmp (s
, "s ", 2) == 0)
3466 || (strncasecmp (s
, "s,", 2) == 0))
3470 /* This is a match failure. */
3475 as_bad (_("Invalid Indexed Load Completer."));
3480 as_bad (_("Invalid Indexed Load Completer Syntax."));
3482 INSERT_FIELD_AND_CONTINUE (opcode
, uu
, 13);
3485 /* Handle a short load/store completer. */
3497 if (strncasecmp (s
, "ma", 2) == 0)
3503 else if (strncasecmp (s
, "mb", 2) == 0)
3510 /* This is a match failure. */
3514 as_bad (_("Invalid Short Load/Store Completer."));
3518 /* If we did not get a ma/mb completer, then we do not
3519 consider this a positive match for 'ce'. */
3520 else if (*args
== 'e')
3523 /* 'J', 'm', 'M' and 'q' are the same, except for where they
3524 encode the before/after field. */
3525 if (*args
== 'm' || *args
== 'M')
3528 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
3530 else if (*args
== 'q')
3533 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
3535 else if (*args
== 'J')
3537 /* M bit is explicit in the major opcode. */
3538 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 2);
3540 else if (*args
== 'e')
3542 /* Stash the ma/mb flag temporarily in the
3543 instruction. We will use (and remove it)
3544 later when handling 'J', 'K', '<' & '>'. */
3550 /* Handle a stbys completer. */
3557 while (*s
== ',' && i
< 2)
3560 if (strncasecmp (s
, "m", 1) == 0)
3562 else if ((strncasecmp (s
, "b ", 2) == 0)
3563 || (strncasecmp (s
, "b,", 2) == 0))
3565 else if (strncasecmp (s
, "e", 1) == 0)
3567 /* In strict mode, this is a match failure. */
3574 as_bad (_("Invalid Store Bytes Short Completer"));
3579 as_bad (_("Invalid Store Bytes Short Completer"));
3581 INSERT_FIELD_AND_CONTINUE (opcode
, a
, 13);
3584 /* Handle load cache hint completer. */
3587 if (!strncmp (s
, ",sl", 3))
3592 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
3594 /* Handle store cache hint completer. */
3597 if (!strncmp (s
, ",sl", 3))
3602 else if (!strncmp (s
, ",bc", 3))
3607 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
3609 /* Handle load and clear cache hint completer. */
3612 if (!strncmp (s
, ",co", 3))
3617 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 10);
3619 /* Handle load ordering completer. */
3621 if (strncmp (s
, ",o", 2) != 0)
3626 /* Handle a branch gate completer. */
3628 if (strncasecmp (s
, ",gate", 5) != 0)
3633 /* Handle a branch link and push completer. */
3635 if (strncasecmp (s
, ",l,push", 7) != 0)
3640 /* Handle a branch link completer. */
3642 if (strncasecmp (s
, ",l", 2) != 0)
3647 /* Handle a branch pop completer. */
3649 if (strncasecmp (s
, ",pop", 4) != 0)
3654 /* Handle a local processor completer. */
3656 if (strncasecmp (s
, ",l", 2) != 0)
3661 /* Handle a PROBE read/write completer. */
3664 if (!strncasecmp (s
, ",w", 2))
3669 else if (!strncasecmp (s
, ",r", 2))
3675 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
3677 /* Handle MFCTL wide completer. */
3679 if (strncasecmp (s
, ",w", 2) != 0)
3684 /* Handle an RFI restore completer. */
3687 if (!strncasecmp (s
, ",r", 2))
3693 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
3695 /* Handle a system control completer. */
3697 if (*s
== ',' && (*(s
+ 1) == 'm' || *(s
+ 1) == 'M'))
3705 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 5);
3707 /* Handle intermediate/final completer for DCOR. */
3710 if (!strncasecmp (s
, ",i", 2))
3716 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
3718 /* Handle zero/sign extension completer. */
3721 if (!strncasecmp (s
, ",z", 2))
3727 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
3729 /* Handle add completer. */
3732 if (!strncasecmp (s
, ",l", 2))
3737 else if (!strncasecmp (s
, ",tsv", 4))
3743 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 10);
3745 /* Handle 64 bit carry for ADD. */
3748 if (!strncasecmp (s
, ",dc,tsv", 7) ||
3749 !strncasecmp (s
, ",tsv,dc", 7))
3754 else if (!strncasecmp (s
, ",dc", 3))
3762 /* Condition is not required with "dc". */
3764 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3766 /* Handle 32 bit carry for ADD. */
3769 if (!strncasecmp (s
, ",c,tsv", 6) ||
3770 !strncasecmp (s
, ",tsv,c", 6))
3775 else if (!strncasecmp (s
, ",c", 2))
3783 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3785 /* Handle trap on signed overflow. */
3788 if (!strncasecmp (s
, ",tsv", 4))
3794 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3796 /* Handle trap on condition and overflow. */
3799 if (!strncasecmp (s
, ",tc,tsv", 7) ||
3800 !strncasecmp (s
, ",tsv,tc", 7))
3805 else if (!strncasecmp (s
, ",tc", 3))
3813 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3815 /* Handle 64 bit borrow for SUB. */
3818 if (!strncasecmp (s
, ",db,tsv", 7) ||
3819 !strncasecmp (s
, ",tsv,db", 7))
3824 else if (!strncasecmp (s
, ",db", 3))
3832 /* Condition is not required with "db". */
3834 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3836 /* Handle 32 bit borrow for SUB. */
3839 if (!strncasecmp (s
, ",b,tsv", 6) ||
3840 !strncasecmp (s
, ",tsv,b", 6))
3845 else if (!strncasecmp (s
, ",b", 2))
3853 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
3855 /* Handle trap condition completer for UADDCM. */
3858 if (!strncasecmp (s
, ",tc", 3))
3864 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 6);
3866 /* Handle signed/unsigned at 21. */
3870 if (strncasecmp (s
, ",s", 2) == 0)
3875 else if (strncasecmp (s
, ",u", 2) == 0)
3881 INSERT_FIELD_AND_CONTINUE (opcode
, sign
, 10);
3884 /* Handle left/right combination at 17:18. */
3894 as_bad (_("Invalid left/right combination completer"));
3897 INSERT_FIELD_AND_CONTINUE (opcode
, lr
, 13);
3900 as_bad (_("Invalid left/right combination completer"));
3903 /* Handle saturation at 24:25. */
3907 if (strncasecmp (s
, ",ss", 3) == 0)
3912 else if (strncasecmp (s
, ",us", 3) == 0)
3918 INSERT_FIELD_AND_CONTINUE (opcode
, sat
, 6);
3921 /* Handle permutation completer. */
3949 as_bad (_("Invalid permutation completer"));
3951 opcode
|= perm
<< permloc
[i
];
3956 as_bad (_("Invalid permutation completer"));
3964 /* Handle all conditions. */
3970 /* Handle FP compare conditions. */
3972 cond
= pa_parse_fp_cmp_cond (&s
);
3973 INSERT_FIELD_AND_CONTINUE (opcode
, cond
, 0);
3975 /* Handle an add condition. */
3984 /* 64 bit conditions. */
3996 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
4000 if (strcmp (name
, "=") == 0)
4002 else if (strcmp (name
, "<") == 0)
4004 else if (strcmp (name
, "<=") == 0)
4006 else if (strcasecmp (name
, "nuv") == 0)
4008 else if (strcasecmp (name
, "znv") == 0)
4010 else if (strcasecmp (name
, "sv") == 0)
4012 else if (strcasecmp (name
, "od") == 0)
4014 else if (strcasecmp (name
, "tr") == 0)
4019 else if (strcmp (name
, "<>") == 0)
4024 else if (strcmp (name
, ">=") == 0)
4029 else if (strcmp (name
, ">") == 0)
4034 else if (strcasecmp (name
, "uv") == 0)
4039 else if (strcasecmp (name
, "vnz") == 0)
4044 else if (strcasecmp (name
, "nsv") == 0)
4049 else if (strcasecmp (name
, "ev") == 0)
4054 /* ",*" is a valid condition. */
4055 else if (*args
== 'a' || *name
)
4056 as_bad (_("Invalid Add Condition: %s"), name
);
4059 /* Except with "dc", we have a match failure with
4060 'A' if we don't have a doubleword condition. */
4061 else if (*args
== 'A' && need_cond
)
4064 opcode
|= cmpltr
<< 13;
4065 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
4067 /* Handle non-negated add and branch condition. */
4069 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
4072 as_bad (_("Invalid Add and Branch Condition"));
4075 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4077 /* Handle 64 bit wide-mode add and branch condition. */
4079 cmpltr
= pa_parse_addb_64_cmpltr (&s
);
4082 as_bad (_("Invalid Add and Branch Condition"));
4087 /* Negated condition requires an opcode change. */
4088 opcode
|= (cmpltr
& 8) << 24;
4090 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
4092 /* Handle a negated or non-negated add and branch
4096 cmpltr
= pa_parse_nonneg_add_cmpltr (&s
);
4100 cmpltr
= pa_parse_neg_add_cmpltr (&s
);
4103 as_bad (_("Invalid Compare/Subtract Condition"));
4108 /* Negated condition requires an opcode change. */
4112 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4114 /* Handle branch on bit conditions. */
4132 if (strncmp (s
, "<", 1) == 0)
4137 else if (strncmp (s
, ">=", 2) == 0)
4143 as_bad (_("Invalid Branch On Bit Condition: %c"), *s
);
4146 as_bad (_("Missing Branch On Bit Condition"));
4148 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 15);
4150 /* Handle a compare/subtract condition. */
4159 /* 64 bit conditions. */
4171 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
4175 if (strcmp (name
, "=") == 0)
4177 else if (strcmp (name
, "<") == 0)
4179 else if (strcmp (name
, "<=") == 0)
4181 else if (strcasecmp (name
, "<<") == 0)
4183 else if (strcasecmp (name
, "<<=") == 0)
4185 else if (strcasecmp (name
, "sv") == 0)
4187 else if (strcasecmp (name
, "od") == 0)
4189 else if (strcasecmp (name
, "tr") == 0)
4194 else if (strcmp (name
, "<>") == 0)
4199 else if (strcmp (name
, ">=") == 0)
4204 else if (strcmp (name
, ">") == 0)
4209 else if (strcasecmp (name
, ">>=") == 0)
4214 else if (strcasecmp (name
, ">>") == 0)
4219 else if (strcasecmp (name
, "nsv") == 0)
4224 else if (strcasecmp (name
, "ev") == 0)
4229 /* ",*" is a valid condition. */
4230 else if (*args
!= 'S' || *name
)
4231 as_bad (_("Invalid Compare/Subtract Condition: %s"),
4235 /* Except with "db", we have a match failure with
4236 'S' if we don't have a doubleword condition. */
4237 else if (*args
== 'S' && need_cond
)
4240 opcode
|= cmpltr
<< 13;
4241 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
4243 /* Handle a non-negated compare condition. */
4245 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
4248 as_bad (_("Invalid Compare/Subtract Condition"));
4251 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4253 /* Handle a 32 bit compare and branch condition. */
4256 cmpltr
= pa_parse_nonneg_cmpsub_cmpltr (&s
);
4260 cmpltr
= pa_parse_neg_cmpsub_cmpltr (&s
);
4263 as_bad (_("Invalid Compare and Branch Condition"));
4268 /* Negated condition requires an opcode change. */
4273 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4275 /* Handle a 64 bit compare and branch condition. */
4277 cmpltr
= pa_parse_cmpb_64_cmpltr (&s
);
4280 /* Negated condition requires an opcode change. */
4281 opcode
|= (cmpltr
& 8) << 26;
4284 /* Not a 64 bit cond. Give 32 bit a chance. */
4287 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
& 7, 13);
4289 /* Handle a 64 bit cmpib condition. */
4291 cmpltr
= pa_parse_cmpib_64_cmpltr (&s
);
4293 /* Not a 64 bit cond. Give 32 bit a chance. */
4296 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4298 /* Handle a logical instruction condition. */
4307 /* 64 bit conditions. */
4319 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
4324 if (strcmp (name
, "=") == 0)
4326 else if (strcmp (name
, "<") == 0)
4328 else if (strcmp (name
, "<=") == 0)
4330 else if (strcasecmp (name
, "od") == 0)
4332 else if (strcasecmp (name
, "tr") == 0)
4337 else if (strcmp (name
, "<>") == 0)
4342 else if (strcmp (name
, ">=") == 0)
4347 else if (strcmp (name
, ">") == 0)
4352 else if (strcasecmp (name
, "ev") == 0)
4357 /* ",*" is a valid condition. */
4358 else if (*args
!= 'L' || *name
)
4359 as_bad (_("Invalid Logical Instruction Condition."));
4362 /* 32-bit is default for no condition. */
4363 else if (*args
== 'L')
4366 opcode
|= cmpltr
<< 13;
4367 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
4369 /* Handle a shift/extract/deposit condition. */
4374 /* Check immediate values in shift/extract/deposit
4375 * instructions if they will give undefined behaviour. */
4376 immediate_check
= 1;
4381 /* 64 bit conditions. */
4393 while (*s
!= ',' && *s
!= ' ' && *s
!= '\t')
4397 if (strcmp (name
, "=") == 0)
4399 else if (strcmp (name
, "<") == 0)
4401 else if (strcasecmp (name
, "od") == 0)
4403 else if (strcasecmp (name
, "tr") == 0)
4405 else if (strcmp (name
, "<>") == 0)
4407 else if (strcmp (name
, ">=") == 0)
4409 else if (strcasecmp (name
, "ev") == 0)
4411 /* Handle movb,n. Put things back the way they were.
4412 This includes moving s back to where it started. */
4413 else if (strcasecmp (name
, "n") == 0 && *args
== 'y')
4419 /* ",*" is a valid condition. */
4420 else if (*args
!= 'X' || *name
)
4421 as_bad (_("Invalid Shift/Extract/Deposit Condition."));
4425 INSERT_FIELD_AND_CONTINUE (opcode
, cmpltr
, 13);
4427 /* Handle a unit instruction condition. */
4437 /* 64 bit conditions. */
4448 /* The uxor instruction only supports unit conditions
4449 not involving carries. */
4450 uxor
= (opcode
& 0xfc000fc0) == 0x08000380;
4451 if (strncasecmp (s
, "sbz", 3) == 0)
4456 else if (strncasecmp (s
, "shz", 3) == 0)
4461 else if (!uxor
&& strncasecmp (s
, "sdc", 3) == 0)
4466 else if (!uxor
&& strncasecmp (s
, "sbc", 3) == 0)
4471 else if (!uxor
&& strncasecmp (s
, "shc", 3) == 0)
4476 else if (strncasecmp (s
, "tr", 2) == 0)
4482 else if (strncasecmp (s
, "nbz", 3) == 0)
4488 else if (strncasecmp (s
, "nhz", 3) == 0)
4494 else if (!uxor
&& strncasecmp (s
, "ndc", 3) == 0)
4500 else if (!uxor
&& strncasecmp (s
, "nbc", 3) == 0)
4506 else if (!uxor
&& strncasecmp (s
, "nhc", 3) == 0)
4512 else if (strncasecmp (s
, "swz", 3) == 0)
4518 else if (!uxor
&& strncasecmp (s
, "swc", 3) == 0)
4524 else if (strncasecmp (s
, "nwz", 3) == 0)
4530 else if (!uxor
&& strncasecmp (s
, "nwc", 3) == 0)
4536 /* ",*" is a valid condition. */
4537 else if (*args
!= 'U' || (*s
!= ' ' && *s
!= '\t'))
4538 as_bad (_("Invalid Unit Instruction Condition."));
4540 /* 32-bit is default for no condition. */
4541 else if (*args
== 'U')
4544 opcode
|= cmpltr
<< 13;
4545 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 12);
4553 /* Handle a nullification completer for branch instructions. */
4555 nullif
= pa_parse_nullif (&s
);
4556 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 1);
4558 /* Handle a nullification completer for copr and spop insns. */
4560 nullif
= pa_parse_nullif (&s
);
4561 INSERT_FIELD_AND_CONTINUE (opcode
, nullif
, 5);
4563 /* Handle ,%r2 completer for new syntax branches. */
4565 if (*s
== ',' && strncasecmp (s
+ 1, "%r2", 3) == 0)
4567 else if (*s
== ',' && strncasecmp (s
+ 1, "%rp", 3) == 0)
4573 /* Handle 3 bit entry into the fp compare array. Valid values
4574 are 0..6 inclusive. */
4578 if (the_insn
.exp
.X_op
== O_constant
)
4580 num
= evaluate_absolute (&the_insn
);
4581 CHECK_FIELD (num
, 6, 0, 0);
4583 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
4588 /* Handle 3 bit entry into the fp compare array. Valid values
4589 are 0..6 inclusive. */
4592 if (the_insn
.exp
.X_op
== O_constant
)
4595 num
= evaluate_absolute (&the_insn
);
4596 CHECK_FIELD (num
, 6, 0, 0);
4597 num
= (num
+ 1) ^ 1;
4598 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
4603 /* Handle graphics test completers for ftest */
4606 num
= pa_parse_ftest_gfx_completer (&s
);
4607 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4610 /* Handle a 11 bit immediate at 31. */
4612 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4615 if (the_insn
.exp
.X_op
== O_constant
)
4617 num
= evaluate_absolute (&the_insn
);
4618 CHECK_FIELD (num
, 1023, -1024, 0);
4619 num
= low_sign_unext (num
, 11);
4620 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4624 if (is_DP_relative (the_insn
.exp
))
4625 the_insn
.reloc
= R_HPPA_GOTOFF
;
4626 else if (is_PC_relative (the_insn
.exp
))
4627 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4629 else if (is_tls_gdidx (the_insn
.exp
))
4630 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4631 else if (is_tls_ldidx (the_insn
.exp
))
4632 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4633 else if (is_tls_dtpoff (the_insn
.exp
))
4634 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4635 else if (is_tls_ieoff (the_insn
.exp
))
4636 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4637 else if (is_tls_leoff (the_insn
.exp
))
4638 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4641 the_insn
.reloc
= R_HPPA
;
4642 the_insn
.format
= 11;
4646 /* Handle a 14 bit immediate at 31. */
4648 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4651 if (the_insn
.exp
.X_op
== O_constant
)
4655 /* XXX the completer stored away tidbits of information
4656 for us to extract. We need a cleaner way to do this.
4657 Now that we have lots of letters again, it would be
4658 good to rethink this. */
4661 num
= evaluate_absolute (&the_insn
);
4662 if (mb
!= (num
< 0))
4664 CHECK_FIELD (num
, 8191, -8192, 0);
4665 num
= low_sign_unext (num
, 14);
4666 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4670 /* Handle a 14 bit immediate at 31. */
4672 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4675 if (the_insn
.exp
.X_op
== O_constant
)
4681 num
= evaluate_absolute (&the_insn
);
4682 if (mb
== (num
< 0))
4686 CHECK_FIELD (num
, 8191, -8192, 0);
4687 num
= low_sign_unext (num
, 14);
4688 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4692 /* Handle a 16 bit immediate at 31. */
4694 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4697 if (the_insn
.exp
.X_op
== O_constant
)
4703 num
= evaluate_absolute (&the_insn
);
4704 if (mb
!= (num
< 0))
4706 CHECK_FIELD (num
, 32767, -32768, 0);
4707 num
= re_assemble_16 (num
);
4708 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4712 /* Handle a 16 bit immediate at 31. */
4714 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4717 if (the_insn
.exp
.X_op
== O_constant
)
4723 num
= evaluate_absolute (&the_insn
);
4724 if (mb
== (num
< 0))
4728 CHECK_FIELD (num
, 32767, -32768, 0);
4729 num
= re_assemble_16 (num
);
4730 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4734 /* Handle 14 bit immediate, shifted left three times. */
4736 if (bfd_get_mach (stdoutput
) != pa20
)
4738 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4741 if (the_insn
.exp
.X_op
== O_constant
)
4743 num
= evaluate_absolute (&the_insn
);
4746 CHECK_FIELD (num
, 8191, -8192, 0);
4751 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 4);
4755 if (is_DP_relative (the_insn
.exp
))
4756 the_insn
.reloc
= R_HPPA_GOTOFF
;
4757 else if (is_PC_relative (the_insn
.exp
))
4758 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4760 else if (is_tls_gdidx (the_insn
.exp
))
4761 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4762 else if (is_tls_ldidx (the_insn
.exp
))
4763 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4764 else if (is_tls_dtpoff (the_insn
.exp
))
4765 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4766 else if (is_tls_ieoff (the_insn
.exp
))
4767 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4768 else if (is_tls_leoff (the_insn
.exp
))
4769 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4772 the_insn
.reloc
= R_HPPA
;
4773 the_insn
.format
= 14;
4778 /* Handle 14 bit immediate, shifted left twice. */
4780 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4783 if (the_insn
.exp
.X_op
== O_constant
)
4785 num
= evaluate_absolute (&the_insn
);
4788 CHECK_FIELD (num
, 8191, -8192, 0);
4793 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
4797 if (is_DP_relative (the_insn
.exp
))
4798 the_insn
.reloc
= R_HPPA_GOTOFF
;
4799 else if (is_PC_relative (the_insn
.exp
))
4800 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4802 else if (is_tls_gdidx (the_insn
.exp
))
4803 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4804 else if (is_tls_ldidx (the_insn
.exp
))
4805 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4806 else if (is_tls_dtpoff (the_insn
.exp
))
4807 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4808 else if (is_tls_ieoff (the_insn
.exp
))
4809 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4810 else if (is_tls_leoff (the_insn
.exp
))
4811 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4814 the_insn
.reloc
= R_HPPA
;
4815 the_insn
.format
= 14;
4819 /* Handle a 14 bit immediate at 31. */
4821 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4824 if (the_insn
.exp
.X_op
== O_constant
)
4826 num
= evaluate_absolute (&the_insn
);
4827 CHECK_FIELD (num
, 8191, -8192, 0);
4828 num
= low_sign_unext (num
, 14);
4829 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
4833 if (is_DP_relative (the_insn
.exp
))
4834 the_insn
.reloc
= R_HPPA_GOTOFF
;
4835 else if (is_PC_relative (the_insn
.exp
))
4836 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4838 else if (is_tls_gdidx (the_insn
.exp
))
4839 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4840 else if (is_tls_ldidx (the_insn
.exp
))
4841 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4842 else if (is_tls_dtpoff (the_insn
.exp
))
4843 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4844 else if (is_tls_ieoff (the_insn
.exp
))
4845 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4846 else if (is_tls_leoff (the_insn
.exp
))
4847 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4850 the_insn
.reloc
= R_HPPA
;
4851 the_insn
.format
= 14;
4855 /* Handle a 21 bit immediate at 31. */
4857 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4860 if (the_insn
.exp
.X_op
== O_constant
)
4862 num
= evaluate_absolute (&the_insn
);
4863 CHECK_FIELD (num
>> 11, 1048575, -1048576, 0);
4864 opcode
|= re_assemble_21 (num
);
4869 if (is_DP_relative (the_insn
.exp
))
4870 the_insn
.reloc
= R_HPPA_GOTOFF
;
4871 else if (is_PC_relative (the_insn
.exp
))
4872 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4874 else if (is_tls_gdidx (the_insn
.exp
))
4875 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4876 else if (is_tls_ldidx (the_insn
.exp
))
4877 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4878 else if (is_tls_dtpoff (the_insn
.exp
))
4879 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4880 else if (is_tls_ieoff (the_insn
.exp
))
4881 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4882 else if (is_tls_leoff (the_insn
.exp
))
4883 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4886 the_insn
.reloc
= R_HPPA
;
4887 the_insn
.format
= 21;
4891 /* Handle a 16 bit immediate at 31 (PA 2.0 wide mode only). */
4893 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4896 if (the_insn
.exp
.X_op
== O_constant
)
4898 num
= evaluate_absolute (&the_insn
);
4899 CHECK_FIELD (num
, 32767, -32768, 0);
4900 opcode
|= re_assemble_16 (num
);
4905 /* ??? Is this valid for wide mode? */
4906 if (is_DP_relative (the_insn
.exp
))
4907 the_insn
.reloc
= R_HPPA_GOTOFF
;
4908 else if (is_PC_relative (the_insn
.exp
))
4909 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4911 else if (is_tls_gdidx (the_insn
.exp
))
4912 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4913 else if (is_tls_ldidx (the_insn
.exp
))
4914 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4915 else if (is_tls_dtpoff (the_insn
.exp
))
4916 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4917 else if (is_tls_ieoff (the_insn
.exp
))
4918 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4919 else if (is_tls_leoff (the_insn
.exp
))
4920 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4923 the_insn
.reloc
= R_HPPA
;
4924 the_insn
.format
= 14;
4928 /* Handle a word-aligned 16-bit imm. at 31 (PA2.0 wide). */
4930 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4933 if (the_insn
.exp
.X_op
== O_constant
)
4935 num
= evaluate_absolute (&the_insn
);
4936 CHECK_FIELD (num
, 32767, -32768, 0);
4937 CHECK_ALIGN (num
, 4, 0);
4938 opcode
|= re_assemble_16 (num
);
4943 /* ??? Is this valid for wide mode? */
4944 if (is_DP_relative (the_insn
.exp
))
4945 the_insn
.reloc
= R_HPPA_GOTOFF
;
4946 else if (is_PC_relative (the_insn
.exp
))
4947 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4949 else if (is_tls_gdidx (the_insn
.exp
))
4950 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4951 else if (is_tls_ldidx (the_insn
.exp
))
4952 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4953 else if (is_tls_dtpoff (the_insn
.exp
))
4954 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4955 else if (is_tls_ieoff (the_insn
.exp
))
4956 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4957 else if (is_tls_leoff (the_insn
.exp
))
4958 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4961 the_insn
.reloc
= R_HPPA
;
4962 the_insn
.format
= 14;
4966 /* Handle a dword-aligned 16-bit imm. at 31 (PA2.0 wide). */
4968 the_insn
.field_selector
= pa_chk_field_selector (&s
);
4971 if (the_insn
.exp
.X_op
== O_constant
)
4973 num
= evaluate_absolute (&the_insn
);
4974 CHECK_FIELD (num
, 32767, -32768, 0);
4975 CHECK_ALIGN (num
, 8, 0);
4976 opcode
|= re_assemble_16 (num
);
4981 /* ??? Is this valid for wide mode? */
4982 if (is_DP_relative (the_insn
.exp
))
4983 the_insn
.reloc
= R_HPPA_GOTOFF
;
4984 else if (is_PC_relative (the_insn
.exp
))
4985 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
4987 else if (is_tls_gdidx (the_insn
.exp
))
4988 the_insn
.reloc
= R_PARISC_TLS_GD21L
;
4989 else if (is_tls_ldidx (the_insn
.exp
))
4990 the_insn
.reloc
= R_PARISC_TLS_LDM21L
;
4991 else if (is_tls_dtpoff (the_insn
.exp
))
4992 the_insn
.reloc
= R_PARISC_TLS_LDO21L
;
4993 else if (is_tls_ieoff (the_insn
.exp
))
4994 the_insn
.reloc
= R_PARISC_TLS_IE21L
;
4995 else if (is_tls_leoff (the_insn
.exp
))
4996 the_insn
.reloc
= R_PARISC_TLS_LE21L
;
4999 the_insn
.reloc
= R_HPPA
;
5000 the_insn
.format
= 14;
5004 /* Handle a 12 bit branch displacement. */
5006 the_insn
.field_selector
= pa_chk_field_selector (&s
);
5010 if (!the_insn
.exp
.X_add_symbol
5011 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
5014 num
= evaluate_absolute (&the_insn
);
5017 as_bad (_("Branch to unaligned address"));
5020 if (the_insn
.exp
.X_add_symbol
)
5022 CHECK_FIELD (num
, 8191, -8192, 0);
5023 opcode
|= re_assemble_12 (num
>> 2);
5028 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
5029 the_insn
.format
= 12;
5030 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
5031 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
5036 /* Handle a 17 bit branch displacement. */
5038 the_insn
.field_selector
= pa_chk_field_selector (&s
);
5042 if (!the_insn
.exp
.X_add_symbol
5043 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
5046 num
= evaluate_absolute (&the_insn
);
5049 as_bad (_("Branch to unaligned address"));
5052 if (the_insn
.exp
.X_add_symbol
)
5054 CHECK_FIELD (num
, 262143, -262144, 0);
5055 opcode
|= re_assemble_17 (num
>> 2);
5060 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
5061 the_insn
.format
= 17;
5062 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
5063 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
5067 /* Handle a 22 bit branch displacement. */
5069 the_insn
.field_selector
= pa_chk_field_selector (&s
);
5073 if (!the_insn
.exp
.X_add_symbol
5074 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
5077 num
= evaluate_absolute (&the_insn
);
5080 as_bad (_("Branch to unaligned address"));
5083 if (the_insn
.exp
.X_add_symbol
)
5085 CHECK_FIELD (num
, 8388607, -8388608, 0);
5086 opcode
|= re_assemble_22 (num
>> 2);
5090 the_insn
.reloc
= R_HPPA_PCREL_CALL
;
5091 the_insn
.format
= 22;
5092 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
5093 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
5097 /* Handle an absolute 17 bit branch target. */
5099 the_insn
.field_selector
= pa_chk_field_selector (&s
);
5103 if (!the_insn
.exp
.X_add_symbol
5104 || !strcmp (S_GET_NAME (the_insn
.exp
.X_add_symbol
),
5107 num
= evaluate_absolute (&the_insn
);
5110 as_bad (_("Branch to unaligned address"));
5113 if (the_insn
.exp
.X_add_symbol
)
5115 CHECK_FIELD (num
, 262143, -262144, 0);
5116 opcode
|= re_assemble_17 (num
>> 2);
5121 the_insn
.reloc
= R_HPPA_ABS_CALL
;
5122 the_insn
.format
= 17;
5123 the_insn
.arg_reloc
= last_call_desc
.arg_reloc
;
5124 memset (&last_call_desc
, 0, sizeof (struct call_desc
));
5128 /* Handle '%r1' implicit operand of addil instruction. */
5130 if (*s
== ',' && *(s
+ 1) == '%' && *(s
+ 3) == '1'
5131 && (*(s
+ 2) == 'r' || *(s
+ 2) == 'R'))
5139 /* Handle '%sr0,%r31' implicit operand of be,l instruction. */
5141 if (strncasecmp (s
, "%sr0,%r31", 9) != 0)
5146 /* Handle immediate value of 0 for ordered load/store instructions. */
5153 /* Handle a 2 bit shift count at 25. */
5155 num
= pa_get_absolute_expression (&the_insn
, &s
);
5156 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5159 CHECK_FIELD (num
, 3, 1, strict
);
5160 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5162 /* Handle a 4 bit shift count at 25. */
5164 num
= pa_get_absolute_expression (&the_insn
, &s
);
5165 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5168 CHECK_FIELD (num
, 15, 0, strict
);
5169 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5171 /* Handle a 5 bit shift count at 26. */
5173 num
= pa_get_absolute_expression (&the_insn
, &s
);
5174 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5177 CHECK_FIELD (num
, 31, 0, strict
);
5178 SAVE_IMMEDIATE(num
);
5179 INSERT_FIELD_AND_CONTINUE (opcode
, 31 - num
, 5);
5181 /* Handle a 6 bit shift count at 20,22:26. */
5183 num
= pa_get_absolute_expression (&the_insn
, &s
);
5184 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5187 CHECK_FIELD (num
, 63, 0, strict
);
5188 SAVE_IMMEDIATE(num
);
5190 opcode
|= (num
& 0x20) << 6;
5191 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
5193 /* Handle a 6 bit field length at 23,27:31. */
5196 num
= pa_get_absolute_expression (&the_insn
, &s
);
5197 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5200 CHECK_FIELD (num
, 64, 1, strict
);
5201 SAVE_IMMEDIATE(num
);
5203 opcode
|= (num
& 0x20) << 3;
5204 num
= 31 - (num
& 0x1f);
5205 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5207 /* Handle a 6 bit field length at 19,27:31. */
5209 num
= pa_get_absolute_expression (&the_insn
, &s
);
5210 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5213 CHECK_FIELD (num
, 64, 1, strict
);
5214 SAVE_IMMEDIATE(num
);
5216 opcode
|= (num
& 0x20) << 7;
5217 num
= 31 - (num
& 0x1f);
5218 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5220 /* Handle a 5 bit bit position at 26. */
5222 num
= pa_get_absolute_expression (&the_insn
, &s
);
5223 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5226 CHECK_FIELD (num
, 31, 0, strict
);
5227 SAVE_IMMEDIATE(num
);
5228 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 5);
5230 /* Handle a 6 bit bit position at 20,22:26. */
5232 num
= pa_get_absolute_expression (&the_insn
, &s
);
5233 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5236 CHECK_FIELD (num
, 63, 0, strict
);
5237 SAVE_IMMEDIATE(num
);
5238 opcode
|= (num
& 0x20) << 6;
5239 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 5);
5241 /* Handle a 5 bit immediate at 10 with 'd' as the complement
5242 of the high bit of the immediate. */
5244 num
= pa_get_absolute_expression (&the_insn
, &s
);
5245 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5248 CHECK_FIELD (num
, 63, 0, strict
);
5252 opcode
|= (1 << 13);
5253 INSERT_FIELD_AND_CONTINUE (opcode
, num
& 0x1f, 21);
5255 /* Handle a 5 bit immediate at 10. */
5257 num
= pa_get_absolute_expression (&the_insn
, &s
);
5258 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5261 CHECK_FIELD (num
, 31, 0, strict
);
5262 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
5264 /* Handle a 9 bit immediate at 28. */
5266 num
= pa_get_absolute_expression (&the_insn
, &s
);
5267 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5270 CHECK_FIELD (num
, 511, 1, strict
);
5271 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 3);
5273 /* Handle a 13 bit immediate at 18. */
5275 num
= pa_get_absolute_expression (&the_insn
, &s
);
5276 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5279 CHECK_FIELD (num
, 8191, 0, strict
);
5280 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 13);
5282 /* Handle a 26 bit immediate at 31. */
5284 num
= pa_get_absolute_expression (&the_insn
, &s
);
5285 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5288 CHECK_FIELD (num
, 67108863, 0, strict
);
5289 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5291 /* Handle a 3 bit SFU identifier at 25. */
5294 as_bad (_("Invalid SFU identifier"));
5295 num
= pa_get_absolute_expression (&the_insn
, &s
);
5296 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5299 CHECK_FIELD (num
, 7, 0, strict
);
5300 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5302 /* Handle a 20 bit SOP field for spop0. */
5304 num
= pa_get_absolute_expression (&the_insn
, &s
);
5305 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5308 CHECK_FIELD (num
, 1048575, 0, strict
);
5309 num
= (num
& 0x1f) | ((num
& 0x000fffe0) << 6);
5310 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5312 /* Handle a 15bit SOP field for spop1. */
5314 num
= pa_get_absolute_expression (&the_insn
, &s
);
5315 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5318 CHECK_FIELD (num
, 32767, 0, strict
);
5319 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
5321 /* Handle a 10bit SOP field for spop3. */
5323 num
= pa_get_absolute_expression (&the_insn
, &s
);
5324 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5327 CHECK_FIELD (num
, 1023, 0, strict
);
5328 num
= (num
& 0x1f) | ((num
& 0x000003e0) << 6);
5329 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5331 /* Handle a 15 bit SOP field for spop2. */
5333 num
= pa_get_absolute_expression (&the_insn
, &s
);
5334 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5337 CHECK_FIELD (num
, 32767, 0, strict
);
5338 num
= (num
& 0x1f) | ((num
& 0x00007fe0) << 6);
5339 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5341 /* Handle a 3-bit co-processor ID field. */
5344 as_bad (_("Invalid COPR identifier"));
5345 num
= pa_get_absolute_expression (&the_insn
, &s
);
5346 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5349 CHECK_FIELD (num
, 7, 0, strict
);
5350 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5352 /* Handle a 22bit SOP field for copr. */
5354 num
= pa_get_absolute_expression (&the_insn
, &s
);
5355 if (strict
&& the_insn
.exp
.X_op
!= O_constant
)
5358 CHECK_FIELD (num
, 4194303, 0, strict
);
5359 num
= (num
& 0x1f) | ((num
& 0x003fffe0) << 4);
5360 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5362 /* Handle a source FP operand format completer. */
5364 if (*s
== ',' && *(s
+1) == 't')
5371 flag
= pa_parse_fp_cnv_format (&s
);
5372 the_insn
.fpof1
= flag
;
5373 if (flag
== W
|| flag
== UW
)
5375 if (flag
== DW
|| flag
== UDW
)
5377 if (flag
== QW
|| flag
== UQW
)
5379 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
5381 /* Handle a destination FP operand format completer. */
5383 /* pa_parse_format needs the ',' prefix. */
5385 flag
= pa_parse_fp_cnv_format (&s
);
5386 the_insn
.fpof2
= flag
;
5387 if (flag
== W
|| flag
== UW
)
5389 if (flag
== DW
|| flag
== UDW
)
5391 if (flag
== QW
|| flag
== UQW
)
5393 opcode
|= flag
<< 13;
5394 if (the_insn
.fpof1
== SGL
5395 || the_insn
.fpof1
== DBL
5396 || the_insn
.fpof1
== QUAD
)
5398 if (the_insn
.fpof2
== SGL
5399 || the_insn
.fpof2
== DBL
5400 || the_insn
.fpof2
== QUAD
)
5402 else if (the_insn
.fpof2
== W
5403 || the_insn
.fpof2
== DW
5404 || the_insn
.fpof2
== QW
)
5406 else if (the_insn
.fpof2
== UW
5407 || the_insn
.fpof2
== UDW
5408 || the_insn
.fpof2
== UQW
)
5413 else if (the_insn
.fpof1
== W
5414 || the_insn
.fpof1
== DW
5415 || the_insn
.fpof1
== QW
)
5417 if (the_insn
.fpof2
== SGL
5418 || the_insn
.fpof2
== DBL
5419 || the_insn
.fpof2
== QUAD
)
5424 else if (the_insn
.fpof1
== UW
5425 || the_insn
.fpof1
== UDW
5426 || the_insn
.fpof1
== UQW
)
5428 if (the_insn
.fpof2
== SGL
5429 || the_insn
.fpof2
== DBL
5430 || the_insn
.fpof2
== QUAD
)
5435 flag
|= the_insn
.trunc
;
5436 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 15);
5438 /* Handle a source FP operand format completer. */
5440 flag
= pa_parse_fp_format (&s
);
5441 the_insn
.fpof1
= flag
;
5442 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
5444 /* Handle a destination FP operand format completer. */
5446 /* pa_parse_format needs the ',' prefix. */
5448 flag
= pa_parse_fp_format (&s
);
5449 the_insn
.fpof2
= flag
;
5450 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 13);
5452 /* Handle a source FP operand format completer at 20. */
5454 flag
= pa_parse_fp_format (&s
);
5455 the_insn
.fpof1
= flag
;
5456 INSERT_FIELD_AND_CONTINUE (opcode
, flag
, 11);
5458 /* Handle a floating point operand format at 26.
5459 Only allows single and double precision. */
5461 flag
= pa_parse_fp_format (&s
);
5467 the_insn
.fpof1
= flag
;
5473 as_bad (_("Invalid Floating Point Operand Format."));
5477 /* Handle all floating point registers. */
5481 /* Float target register. */
5483 if (!pa_parse_number (&s
, 3))
5485 /* RSEL should not be set. */
5486 if (pa_number
& FP_REG_RSEL
)
5488 num
= pa_number
- FP_REG_BASE
;
5489 CHECK_FIELD (num
, 31, 0, 0);
5490 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5492 /* Float target register with L/R selection. */
5495 if (!pa_parse_number (&s
, 1))
5497 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5498 CHECK_FIELD (num
, 31, 0, 0);
5501 /* 0x30 opcodes are FP arithmetic operation opcodes
5502 and need to be turned into 0x38 opcodes. This
5503 is not necessary for loads/stores. */
5504 if (need_pa11_opcode ()
5505 && ((opcode
& 0xfc000000) == 0x30000000))
5508 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 6 : 0);
5512 /* Float operand 1. */
5515 if (!pa_parse_number (&s
, 1))
5517 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5518 CHECK_FIELD (num
, 31, 0, 0);
5519 opcode
|= num
<< 21;
5520 if (need_pa11_opcode ())
5522 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
5528 /* Float operand 1 with L/R selection. */
5532 if (!pa_parse_number (&s
, 1))
5534 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5535 CHECK_FIELD (num
, 31, 0, 0);
5536 opcode
|= num
<< 21;
5537 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 7 : 0);
5541 /* Float operand 2. */
5544 if (!pa_parse_number (&s
, 1))
5546 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5547 CHECK_FIELD (num
, 31, 0, 0);
5548 opcode
|= num
<< 16;
5549 if (need_pa11_opcode ())
5551 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
5557 /* Float operand 2 with L/R selection. */
5560 if (!pa_parse_number (&s
, 1))
5562 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5563 CHECK_FIELD (num
, 31, 0, 0);
5564 opcode
|= num
<< 16;
5565 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 12 : 0);
5569 /* Float operand 3 for fmpyfadd, fmpynfadd. */
5572 if (!pa_parse_number (&s
, 1))
5574 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5575 CHECK_FIELD (num
, 31, 0, 0);
5576 opcode
|= (num
& 0x1c) << 11;
5577 opcode
|= (num
& 0x03) << 9;
5578 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 8 : 0);
5582 /* Float mult operand 1 for fmpyadd, fmpysub */
5585 if (!pa_parse_number (&s
, 1))
5587 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5588 CHECK_FIELD (num
, 31, 0, 0);
5589 if (the_insn
.fpof1
== SGL
)
5593 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5597 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5599 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 21);
5602 /* Float mult operand 2 for fmpyadd, fmpysub */
5605 if (!pa_parse_number (&s
, 1))
5607 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5608 CHECK_FIELD (num
, 31, 0, 0);
5609 if (the_insn
.fpof1
== SGL
)
5613 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5617 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5619 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
5622 /* Float mult target for fmpyadd, fmpysub */
5625 if (!pa_parse_number (&s
, 1))
5627 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5628 CHECK_FIELD (num
, 31, 0, 0);
5629 if (the_insn
.fpof1
== SGL
)
5633 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5637 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5639 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 0);
5642 /* Float add operand 1 for fmpyadd, fmpysub */
5645 if (!pa_parse_number (&s
, 1))
5647 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5648 CHECK_FIELD (num
, 31, 0, 0);
5649 if (the_insn
.fpof1
== SGL
)
5653 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5657 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5659 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 6);
5662 /* Float add target for fmpyadd, fmpysub */
5665 if (!pa_parse_number (&s
, 1))
5667 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5668 CHECK_FIELD (num
, 31, 0, 0);
5669 if (the_insn
.fpof1
== SGL
)
5673 as_bad (_("Invalid register for single precision fmpyadd or fmpysub"));
5677 num
|= (pa_number
& FP_REG_RSEL
? 1 << 4 : 0);
5679 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 11);
5682 /* Handle L/R register halves like 'x'. */
5686 if (!pa_parse_number (&s
, 1))
5688 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5689 CHECK_FIELD (num
, 31, 0, 0);
5690 opcode
|= num
<< 16;
5691 if (need_pa11_opcode ())
5693 opcode
|= (pa_number
& FP_REG_RSEL
? 1 << 1 : 0);
5698 /* Float target register (PA 2.0 wide). */
5700 if (!pa_parse_number (&s
, 3))
5702 num
= (pa_number
& ~FP_REG_RSEL
) - FP_REG_BASE
;
5703 CHECK_FIELD (num
, 31, 0, 0);
5704 INSERT_FIELD_AND_CONTINUE (opcode
, num
, 16);
5717 /* If this instruction is specific to a particular architecture,
5718 then set a new architecture. This automatic promotion crud is
5719 for compatibility with HP's old assemblers only. */
5721 && bfd_get_mach (stdoutput
) < insn
->arch
5722 && !bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, insn
->arch
))
5724 as_warn (_("could not update architecture and machine"));
5729 /* Check if the args matched. */
5732 if (&insn
[1] - pa_opcodes
< (int) NUMOPCODES
5733 && !strcmp (insn
->name
, insn
[1].name
))
5741 as_bad (_("Invalid operands %s"), error_message
);
5748 if (immediate_check
)
5750 if (pos
!= -1 && len
!= -1 && pos
< len
- 1)
5751 as_warn (_("Immediates %d and %d will give undefined behavior."),
5755 the_insn
.opcode
= opcode
;
5758 /* Assemble a single instruction storing it into a frag. */
5761 md_assemble (char *str
)
5765 /* The had better be something to assemble. */
5768 /* If we are within a procedure definition, make sure we've
5769 defined a label for the procedure; handle case where the
5770 label was defined after the .PROC directive.
5772 Note there's not need to diddle with the segment or fragment
5773 for the label symbol in this case. We have already switched
5774 into the new $CODE$ subspace at this point. */
5775 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
5777 label_symbol_struct
*label_symbol
= pa_get_label ();
5781 if (label_symbol
->lss_label
)
5783 last_call_info
->start_symbol
= label_symbol
->lss_label
;
5784 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
5787 /* Also handle allocation of a fixup to hold the unwind
5788 information when the label appears after the proc/procend. */
5789 if (within_entry_exit
)
5794 where
= frag_more (0);
5795 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
5796 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5797 NULL
, (offsetT
) 0, NULL
,
5798 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
5803 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
5806 as_bad (_("Missing function name for .PROC"));
5809 /* Assemble the instruction. Results are saved into "the_insn". */
5812 /* Get somewhere to put the assembled instruction. */
5815 /* Output the opcode. */
5816 md_number_to_chars (to
, the_insn
.opcode
, 4);
5818 /* If necessary output more stuff. */
5819 if (the_insn
.reloc
!= R_HPPA_NONE
)
5820 fix_new_hppa (frag_now
, (to
- frag_now
->fr_literal
), 4, NULL
,
5821 (offsetT
) 0, &the_insn
.exp
, the_insn
.pcrel
,
5822 the_insn
.reloc
, the_insn
.field_selector
,
5823 the_insn
.format
, the_insn
.arg_reloc
, 0);
5826 dwarf2_emit_insn (4);
5831 /* Handle an alignment directive. Special so that we can update the
5832 alignment of the subspace if necessary. */
5834 pa_align (int bytes
)
5836 /* We must have a valid space and subspace. */
5837 pa_check_current_space_and_subspace ();
5839 /* Let the generic gas code do most of the work. */
5840 s_align_bytes (bytes
);
5842 /* If bytes is a power of 2, then update the current subspace's
5843 alignment if necessary. */
5844 if (exact_log2 (bytes
) != -1)
5845 record_alignment (current_subspace
->ssd_seg
, exact_log2 (bytes
));
5849 /* Handle a .BLOCK type pseudo-op. */
5852 pa_block (int z ATTRIBUTE_UNUSED
)
5854 unsigned int temp_size
;
5857 /* We must have a valid space and subspace. */
5858 pa_check_current_space_and_subspace ();
5861 temp_size
= get_absolute_expression ();
5863 if (temp_size
> 0x3FFFFFFF)
5865 as_bad (_("Argument to .BLOCK/.BLOCKZ must be between 0 and 0x3fffffff"));
5870 /* Always fill with zeros, that's what the HP assembler does. */
5871 char *p
= frag_var (rs_fill
, 1, 1, 0, NULL
, temp_size
, NULL
);
5875 pa_undefine_label ();
5876 demand_empty_rest_of_line ();
5879 /* Handle a .begin_brtab and .end_brtab pseudo-op. */
5882 pa_brtab (int begin ATTRIBUTE_UNUSED
)
5886 /* The BRTAB relocations are only available in SOM (to denote
5887 the beginning and end of branch tables). */
5888 char *where
= frag_more (0);
5890 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5891 NULL
, (offsetT
) 0, NULL
,
5892 0, begin
? R_HPPA_BEGIN_BRTAB
: R_HPPA_END_BRTAB
,
5896 demand_empty_rest_of_line ();
5899 /* Handle a .begin_try and .end_try pseudo-op. */
5902 pa_try (int begin ATTRIBUTE_UNUSED
)
5906 char *where
= frag_more (0);
5911 /* The TRY relocations are only available in SOM (to denote
5912 the beginning and end of exception handling regions). */
5914 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
5915 NULL
, (offsetT
) 0, begin
? NULL
: &exp
,
5916 0, begin
? R_HPPA_BEGIN_TRY
: R_HPPA_END_TRY
,
5920 demand_empty_rest_of_line ();
5923 /* Do the dirty work of building a call descriptor which describes
5924 where the caller placed arguments to a function call. */
5927 pa_call_args (struct call_desc
*call_desc
)
5930 unsigned int temp
, arg_reloc
;
5932 while (!is_end_of_statement ())
5934 name
= input_line_pointer
;
5935 c
= get_symbol_end ();
5936 /* Process a source argument. */
5937 if ((strncasecmp (name
, "argw", 4) == 0))
5939 temp
= atoi (name
+ 4);
5940 p
= input_line_pointer
;
5942 input_line_pointer
++;
5943 name
= input_line_pointer
;
5944 c
= get_symbol_end ();
5945 arg_reloc
= pa_build_arg_reloc (name
);
5946 call_desc
->arg_reloc
|= pa_align_arg_reloc (temp
, arg_reloc
);
5948 /* Process a return value. */
5949 else if ((strncasecmp (name
, "rtnval", 6) == 0))
5951 p
= input_line_pointer
;
5953 input_line_pointer
++;
5954 name
= input_line_pointer
;
5955 c
= get_symbol_end ();
5956 arg_reloc
= pa_build_arg_reloc (name
);
5957 call_desc
->arg_reloc
|= (arg_reloc
& 0x3);
5961 as_bad (_("Invalid .CALL argument: %s"), name
);
5963 p
= input_line_pointer
;
5965 if (!is_end_of_statement ())
5966 input_line_pointer
++;
5970 /* Handle a .CALL pseudo-op. This involves storing away information
5971 about where arguments are to be found so the linker can detect
5972 (and correct) argument location mismatches between caller and callee. */
5975 pa_call (int unused ATTRIBUTE_UNUSED
)
5978 /* We must have a valid space and subspace. */
5979 pa_check_current_space_and_subspace ();
5982 pa_call_args (&last_call_desc
);
5983 demand_empty_rest_of_line ();
5987 /* Build an entry in the UNWIND subspace from the given function
5988 attributes in CALL_INFO. This is not needed for SOM as using
5989 R_ENTRY and R_EXIT relocations allow the linker to handle building
5990 of the unwind spaces. */
5993 pa_build_unwind_subspace (struct call_info
*call_info
)
5995 asection
*seg
, *save_seg
;
5996 subsegT save_subseg
;
5997 unsigned int unwind
;
6002 if ((bfd_get_section_flags (stdoutput
, now_seg
)
6003 & (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
6004 != (SEC_ALLOC
| SEC_LOAD
| SEC_READONLY
))
6007 if (call_info
->start_symbol
== NULL
)
6008 /* This can happen if there were errors earlier on in the assembly. */
6011 /* Replace the start symbol with a local symbol that will be reduced
6012 to a section offset. This avoids problems with weak functions with
6013 multiple definitions, etc. */
6014 name
= xmalloc (strlen ("L$\001start_")
6015 + strlen (S_GET_NAME (call_info
->start_symbol
))
6017 strcpy (name
, "L$\001start_");
6018 strcat (name
, S_GET_NAME (call_info
->start_symbol
));
6020 /* If we have a .procend preceded by a .exit, then the symbol will have
6021 already been defined. In that case, we don't want another unwind
6023 symbolP
= symbol_find (name
);
6031 symbolP
= symbol_new (name
, now_seg
,
6032 S_GET_VALUE (call_info
->start_symbol
), frag_now
);
6033 gas_assert (symbolP
);
6034 S_CLEAR_EXTERNAL (symbolP
);
6035 symbol_table_insert (symbolP
);
6038 reloc
= R_PARISC_SEGREL32
;
6040 save_subseg
= now_subseg
;
6041 /* Get into the right seg/subseg. This may involve creating
6042 the seg the first time through. Make sure to have the
6043 old seg/subseg so that we can reset things when we are done. */
6044 seg
= bfd_get_section_by_name (stdoutput
, UNWIND_SECTION_NAME
);
6045 if (seg
== ASEC_NULL
)
6047 seg
= subseg_new (UNWIND_SECTION_NAME
, 0);
6048 bfd_set_section_flags (stdoutput
, seg
,
6049 SEC_READONLY
| SEC_HAS_CONTENTS
6050 | SEC_LOAD
| SEC_RELOC
| SEC_ALLOC
| SEC_DATA
);
6051 bfd_set_section_alignment (stdoutput
, seg
, 2);
6054 subseg_set (seg
, 0);
6056 /* Get some space to hold relocation information for the unwind
6060 /* Relocation info. for start offset of the function. */
6061 md_number_to_chars (p
, 0, 4);
6062 fix_new_hppa (frag_now
, p
- frag_now
->fr_literal
, 4,
6063 symbolP
, (offsetT
) 0,
6064 (expressionS
*) NULL
, 0, reloc
,
6067 /* Relocation info. for end offset of the function.
6069 Because we allow reductions of 32bit relocations for ELF, this will be
6070 reduced to section_sym + offset which avoids putting the temporary
6071 symbol into the symbol table. It (should) end up giving the same
6072 value as call_info->start_symbol + function size once the linker is
6073 finished with its work. */
6074 md_number_to_chars (p
+ 4, 0, 4);
6075 fix_new_hppa (frag_now
, p
+ 4 - frag_now
->fr_literal
, 4,
6076 call_info
->end_symbol
, (offsetT
) 0,
6077 (expressionS
*) NULL
, 0, reloc
,
6080 /* Dump the descriptor. */
6081 unwind
= UNWIND_LOW32 (&call_info
->ci_unwind
.descriptor
);
6082 md_number_to_chars (p
+ 8, unwind
, 4);
6084 unwind
= UNWIND_HIGH32 (&call_info
->ci_unwind
.descriptor
);
6085 md_number_to_chars (p
+ 12, unwind
, 4);
6087 /* Return back to the original segment/subsegment. */
6088 subseg_set (save_seg
, save_subseg
);
6092 /* Process a .CALLINFO pseudo-op. This information is used later
6093 to build unwind descriptors and maybe one day to support
6094 .ENTER and .LEAVE. */
6097 pa_callinfo (int unused ATTRIBUTE_UNUSED
)
6103 /* We must have a valid space and subspace. */
6104 pa_check_current_space_and_subspace ();
6107 /* .CALLINFO must appear within a procedure definition. */
6108 if (!within_procedure
)
6109 as_bad (_(".callinfo is not within a procedure definition"));
6111 /* Mark the fact that we found the .CALLINFO for the
6112 current procedure. */
6113 callinfo_found
= TRUE
;
6115 /* Iterate over the .CALLINFO arguments. */
6116 while (!is_end_of_statement ())
6118 name
= input_line_pointer
;
6119 c
= get_symbol_end ();
6120 /* Frame size specification. */
6121 if ((strncasecmp (name
, "frame", 5) == 0))
6123 p
= input_line_pointer
;
6125 input_line_pointer
++;
6126 temp
= get_absolute_expression ();
6127 if ((temp
& 0x3) != 0)
6129 as_bad (_("FRAME parameter must be a multiple of 8: %d\n"), temp
);
6133 /* callinfo is in bytes and unwind_desc is in 8 byte units. */
6134 last_call_info
->ci_unwind
.descriptor
.frame_size
= temp
/ 8;
6137 /* Entry register (GR, GR and SR) specifications. */
6138 else if ((strncasecmp (name
, "entry_gr", 8) == 0))
6140 p
= input_line_pointer
;
6142 input_line_pointer
++;
6143 temp
= get_absolute_expression ();
6144 /* The HP assembler accepts 19 as the high bound for ENTRY_GR
6145 even though %r19 is caller saved. I think this is a bug in
6146 the HP assembler, and we are not going to emulate it. */
6147 if (temp
< 3 || temp
> 18)
6148 as_bad (_("Value for ENTRY_GR must be in the range 3..18\n"));
6149 last_call_info
->ci_unwind
.descriptor
.entry_gr
= temp
- 2;
6151 else if ((strncasecmp (name
, "entry_fr", 8) == 0))
6153 p
= input_line_pointer
;
6155 input_line_pointer
++;
6156 temp
= get_absolute_expression ();
6157 /* Similarly the HP assembler takes 31 as the high bound even
6158 though %fr21 is the last callee saved floating point register. */
6159 if (temp
< 12 || temp
> 21)
6160 as_bad (_("Value for ENTRY_FR must be in the range 12..21\n"));
6161 last_call_info
->ci_unwind
.descriptor
.entry_fr
= temp
- 11;
6163 else if ((strncasecmp (name
, "entry_sr", 8) == 0))
6165 p
= input_line_pointer
;
6167 input_line_pointer
++;
6168 temp
= get_absolute_expression ();
6170 as_bad (_("Value for ENTRY_SR must be 3\n"));
6172 /* Note whether or not this function performs any calls. */
6173 else if ((strncasecmp (name
, "calls", 5) == 0) ||
6174 (strncasecmp (name
, "caller", 6) == 0))
6176 p
= input_line_pointer
;
6179 else if ((strncasecmp (name
, "no_calls", 8) == 0))
6181 p
= input_line_pointer
;
6184 /* Should RP be saved into the stack. */
6185 else if ((strncasecmp (name
, "save_rp", 7) == 0))
6187 p
= input_line_pointer
;
6189 last_call_info
->ci_unwind
.descriptor
.save_rp
= 1;
6191 /* Likewise for SP. */
6192 else if ((strncasecmp (name
, "save_sp", 7) == 0))
6194 p
= input_line_pointer
;
6196 last_call_info
->ci_unwind
.descriptor
.save_sp
= 1;
6198 /* Is this an unwindable procedure. If so mark it so
6199 in the unwind descriptor. */
6200 else if ((strncasecmp (name
, "no_unwind", 9) == 0))
6202 p
= input_line_pointer
;
6204 last_call_info
->ci_unwind
.descriptor
.cannot_unwind
= 1;
6206 /* Is this an interrupt routine. If so mark it in the
6207 unwind descriptor. */
6208 else if ((strncasecmp (name
, "hpux_int", 7) == 0))
6210 p
= input_line_pointer
;
6212 last_call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 1;
6214 /* Is this a millicode routine. "millicode" isn't in my
6215 assembler manual, but my copy is old. The HP assembler
6216 accepts it, and there's a place in the unwind descriptor
6217 to drop the information, so we'll accept it too. */
6218 else if ((strncasecmp (name
, "millicode", 9) == 0))
6220 p
= input_line_pointer
;
6222 last_call_info
->ci_unwind
.descriptor
.millicode
= 1;
6226 as_bad (_("Invalid .CALLINFO argument: %s"), name
);
6227 *input_line_pointer
= c
;
6229 if (!is_end_of_statement ())
6230 input_line_pointer
++;
6233 demand_empty_rest_of_line ();
6236 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
6237 /* Switch to the text space. Like s_text, but delete our
6238 label when finished. */
6241 pa_text (int unused ATTRIBUTE_UNUSED
)
6244 current_space
= is_defined_space ("$TEXT$");
6246 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6250 pa_undefine_label ();
6253 /* Switch to the data space. As usual delete our label. */
6256 pa_data (int unused ATTRIBUTE_UNUSED
)
6259 current_space
= is_defined_space ("$PRIVATE$");
6261 = pa_subsegment_to_subspace (current_space
->sd_seg
, 0);
6264 pa_undefine_label ();
6267 /* This is different than the standard GAS s_comm(). On HP9000/800 machines,
6268 the .comm pseudo-op has the following syntax:
6270 <label> .comm <length>
6272 where <label> is optional and is a symbol whose address will be the start of
6273 a block of memory <length> bytes long. <length> must be an absolute
6274 expression. <length> bytes will be allocated in the current space
6277 Also note the label may not even be on the same line as the .comm.
6279 This difference in syntax means the colon function will be called
6280 on the symbol before we arrive in pa_comm. colon will set a number
6281 of attributes of the symbol that need to be fixed here. In particular
6282 the value, section pointer, fragment pointer, flags, etc. What
6285 This also makes error detection all but impossible. */
6288 pa_comm (int unused ATTRIBUTE_UNUSED
)
6292 label_symbol_struct
*label_symbol
= pa_get_label ();
6295 symbol
= label_symbol
->lss_label
;
6300 size
= get_absolute_expression ();
6304 symbol_get_bfdsym (symbol
)->flags
|= BSF_OBJECT
;
6305 S_SET_VALUE (symbol
, size
);
6306 S_SET_SEGMENT (symbol
, bfd_com_section_ptr
);
6307 S_SET_EXTERNAL (symbol
);
6309 /* colon() has already set the frag to the current location in the
6310 current subspace; we need to reset the fragment to the zero address
6311 fragment. We also need to reset the segment pointer. */
6312 symbol_set_frag (symbol
, &zero_address_frag
);
6314 demand_empty_rest_of_line ();
6316 #endif /* !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))) */
6318 /* Process a .END pseudo-op. */
6321 pa_end (int unused ATTRIBUTE_UNUSED
)
6323 demand_empty_rest_of_line ();
6326 /* Process a .ENTER pseudo-op. This is not supported. */
6329 pa_enter (int unused ATTRIBUTE_UNUSED
)
6332 /* We must have a valid space and subspace. */
6333 pa_check_current_space_and_subspace ();
6336 as_bad (_("The .ENTER pseudo-op is not supported"));
6337 demand_empty_rest_of_line ();
6340 /* Process a .ENTRY pseudo-op. .ENTRY marks the beginning of the
6344 pa_entry (int unused ATTRIBUTE_UNUSED
)
6347 /* We must have a valid space and subspace. */
6348 pa_check_current_space_and_subspace ();
6351 if (!within_procedure
)
6352 as_bad (_("Misplaced .entry. Ignored."));
6355 if (!callinfo_found
)
6356 as_bad (_("Missing .callinfo."));
6358 demand_empty_rest_of_line ();
6359 within_entry_exit
= TRUE
;
6362 /* SOM defers building of unwind descriptors until the link phase.
6363 The assembler is responsible for creating an R_ENTRY relocation
6364 to mark the beginning of a region and hold the unwind bits, and
6365 for creating an R_EXIT relocation to mark the end of the region.
6367 FIXME. ELF should be using the same conventions! The problem
6368 is an unwind requires too much relocation space. Hmmm. Maybe
6369 if we split the unwind bits up between the relocations which
6370 denote the entry and exit points. */
6371 if (last_call_info
->start_symbol
!= NULL
)
6376 where
= frag_more (0);
6377 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
6378 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6379 NULL
, (offsetT
) 0, NULL
,
6380 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
6385 /* Silly nonsense for pa_equ. The only half-sensible use for this is
6386 being able to subtract two register symbols that specify a range of
6387 registers, to get the size of the range. */
6388 static int fudge_reg_expressions
;
6391 hppa_force_reg_syms_absolute (expressionS
*resultP
,
6392 operatorT op ATTRIBUTE_UNUSED
,
6393 expressionS
*rightP
)
6395 if (fudge_reg_expressions
6396 && rightP
->X_op
== O_register
6397 && resultP
->X_op
== O_register
)
6399 rightP
->X_op
= O_constant
;
6400 resultP
->X_op
= O_constant
;
6402 return 0; /* Continue normal expr handling. */
6405 /* Handle a .EQU pseudo-op. */
6410 label_symbol_struct
*label_symbol
= pa_get_label ();
6415 symbol
= label_symbol
->lss_label
;
6419 if (!pa_parse_number (&input_line_pointer
, 0))
6420 as_bad (_(".REG expression must be a register"));
6421 S_SET_VALUE (symbol
, pa_number
);
6422 S_SET_SEGMENT (symbol
, reg_section
);
6429 fudge_reg_expressions
= 1;
6430 seg
= expression (&exp
);
6431 fudge_reg_expressions
= 0;
6432 if (exp
.X_op
!= O_constant
6433 && exp
.X_op
!= O_register
)
6435 if (exp
.X_op
!= O_absent
)
6436 as_bad (_("bad or irreducible absolute expression; zero assumed"));
6437 exp
.X_add_number
= 0;
6438 seg
= absolute_section
;
6440 S_SET_VALUE (symbol
, (unsigned int) exp
.X_add_number
);
6441 S_SET_SEGMENT (symbol
, seg
);
6447 as_bad (_(".REG must use a label"));
6449 as_bad (_(".EQU must use a label"));
6452 pa_undefine_label ();
6453 demand_empty_rest_of_line ();
6457 /* Mark the end of a function so that it's possible to compute
6458 the size of the function in elf_hppa_final_processing. */
6461 hppa_elf_mark_end_of_function (void)
6463 /* ELF does not have EXIT relocations. All we do is create a
6464 temporary symbol marking the end of the function. */
6467 if (last_call_info
== NULL
|| last_call_info
->start_symbol
== NULL
)
6469 /* We have already warned about a missing label,
6470 or other problems. */
6474 name
= xmalloc (strlen ("L$\001end_")
6475 + strlen (S_GET_NAME (last_call_info
->start_symbol
))
6481 strcpy (name
, "L$\001end_");
6482 strcat (name
, S_GET_NAME (last_call_info
->start_symbol
));
6484 /* If we have a .exit followed by a .procend, then the
6485 symbol will have already been defined. */
6486 symbolP
= symbol_find (name
);
6489 /* The symbol has already been defined! This can
6490 happen if we have a .exit followed by a .procend.
6492 This is *not* an error. All we want to do is free
6493 the memory we just allocated for the name and continue. */
6498 /* symbol value should be the offset of the
6499 last instruction of the function */
6500 symbolP
= symbol_new (name
, now_seg
, (valueT
) (frag_now_fix () - 4),
6503 gas_assert (symbolP
);
6504 S_CLEAR_EXTERNAL (symbolP
);
6505 symbol_table_insert (symbolP
);
6509 last_call_info
->end_symbol
= symbolP
;
6511 as_bad (_("Symbol '%s' could not be created."), name
);
6515 as_bad (_("No memory for symbol name."));
6519 /* Helper function. Does processing for the end of a function. This
6520 usually involves creating some relocations or building special
6521 symbols to mark the end of the function. */
6528 where
= frag_more (0);
6531 /* Mark the end of the function, stuff away the location of the frag
6532 for the end of the function, and finally call pa_build_unwind_subspace
6533 to add an entry in the unwind table. */
6535 hppa_elf_mark_end_of_function ();
6536 pa_build_unwind_subspace (last_call_info
);
6538 /* SOM defers building of unwind descriptors until the link phase.
6539 The assembler is responsible for creating an R_ENTRY relocation
6540 to mark the beginning of a region and hold the unwind bits, and
6541 for creating an R_EXIT relocation to mark the end of the region.
6543 FIXME. ELF should be using the same conventions! The problem
6544 is an unwind requires too much relocation space. Hmmm. Maybe
6545 if we split the unwind bits up between the relocations which
6546 denote the entry and exit points. */
6547 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
6549 NULL
, 0, R_HPPA_EXIT
, e_fsel
, 0, 0,
6550 UNWIND_HIGH32 (&last_call_info
->ci_unwind
.descriptor
));
6554 /* Process a .EXIT pseudo-op. */
6557 pa_exit (int unused ATTRIBUTE_UNUSED
)
6560 /* We must have a valid space and subspace. */
6561 pa_check_current_space_and_subspace ();
6564 if (!within_procedure
)
6565 as_bad (_(".EXIT must appear within a procedure"));
6568 if (!callinfo_found
)
6569 as_bad (_("Missing .callinfo"));
6572 if (!within_entry_exit
)
6573 as_bad (_("No .ENTRY for this .EXIT"));
6576 within_entry_exit
= FALSE
;
6581 demand_empty_rest_of_line ();
6584 /* Helper function to process arguments to a .EXPORT pseudo-op. */
6587 pa_type_args (symbolS
*symbolP
, int is_export
)
6590 unsigned int temp
, arg_reloc
;
6591 pa_symbol_type type
= SYMBOL_TYPE_UNKNOWN
;
6592 asymbol
*bfdsym
= symbol_get_bfdsym (symbolP
);
6594 if (strncasecmp (input_line_pointer
, "absolute", 8) == 0)
6596 input_line_pointer
+= 8;
6597 bfdsym
->flags
&= ~BSF_FUNCTION
;
6598 S_SET_SEGMENT (symbolP
, bfd_abs_section_ptr
);
6599 type
= SYMBOL_TYPE_ABSOLUTE
;
6601 else if (strncasecmp (input_line_pointer
, "code", 4) == 0)
6603 input_line_pointer
+= 4;
6604 /* IMPORTing/EXPORTing CODE types for functions is meaningless for SOM,
6605 instead one should be IMPORTing/EXPORTing ENTRY types.
6607 Complain if one tries to EXPORT a CODE type since that's never
6608 done. Both GCC and HP C still try to IMPORT CODE types, so
6609 silently fix them to be ENTRY types. */
6610 if (S_IS_FUNCTION (symbolP
))
6613 as_tsktsk (_("Using ENTRY rather than CODE in export directive for %s"),
6614 S_GET_NAME (symbolP
));
6616 bfdsym
->flags
|= BSF_FUNCTION
;
6617 type
= SYMBOL_TYPE_ENTRY
;
6621 bfdsym
->flags
&= ~BSF_FUNCTION
;
6622 type
= SYMBOL_TYPE_CODE
;
6625 else if (strncasecmp (input_line_pointer
, "data", 4) == 0)
6627 input_line_pointer
+= 4;
6628 bfdsym
->flags
&= ~BSF_FUNCTION
;
6629 bfdsym
->flags
|= BSF_OBJECT
;
6630 type
= SYMBOL_TYPE_DATA
;
6632 else if ((strncasecmp (input_line_pointer
, "entry", 5) == 0))
6634 input_line_pointer
+= 5;
6635 bfdsym
->flags
|= BSF_FUNCTION
;
6636 type
= SYMBOL_TYPE_ENTRY
;
6638 else if (strncasecmp (input_line_pointer
, "millicode", 9) == 0)
6640 input_line_pointer
+= 9;
6641 bfdsym
->flags
|= BSF_FUNCTION
;
6644 elf_symbol_type
*elfsym
= (elf_symbol_type
*) bfdsym
;
6645 elfsym
->internal_elf_sym
.st_info
=
6646 ELF_ST_INFO (ELF_ST_BIND (elfsym
->internal_elf_sym
.st_info
),
6650 type
= SYMBOL_TYPE_MILLICODE
;
6652 else if (strncasecmp (input_line_pointer
, "plabel", 6) == 0)
6654 input_line_pointer
+= 6;
6655 bfdsym
->flags
&= ~BSF_FUNCTION
;
6656 type
= SYMBOL_TYPE_PLABEL
;
6658 else if (strncasecmp (input_line_pointer
, "pri_prog", 8) == 0)
6660 input_line_pointer
+= 8;
6661 bfdsym
->flags
|= BSF_FUNCTION
;
6662 type
= SYMBOL_TYPE_PRI_PROG
;
6664 else if (strncasecmp (input_line_pointer
, "sec_prog", 8) == 0)
6666 input_line_pointer
+= 8;
6667 bfdsym
->flags
|= BSF_FUNCTION
;
6668 type
= SYMBOL_TYPE_SEC_PROG
;
6671 /* SOM requires much more information about symbol types
6672 than BFD understands. This is how we get this information
6673 to the SOM BFD backend. */
6674 #ifdef obj_set_symbol_type
6675 obj_set_symbol_type (bfdsym
, (int) type
);
6680 /* Now that the type of the exported symbol has been handled,
6681 handle any argument relocation information. */
6682 while (!is_end_of_statement ())
6684 if (*input_line_pointer
== ',')
6685 input_line_pointer
++;
6686 name
= input_line_pointer
;
6687 c
= get_symbol_end ();
6688 /* Argument sources. */
6689 if ((strncasecmp (name
, "argw", 4) == 0))
6691 p
= input_line_pointer
;
6693 input_line_pointer
++;
6694 temp
= atoi (name
+ 4);
6695 name
= input_line_pointer
;
6696 c
= get_symbol_end ();
6697 arg_reloc
= pa_align_arg_reloc (temp
, pa_build_arg_reloc (name
));
6698 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6699 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6703 *input_line_pointer
= c
;
6705 /* The return value. */
6706 else if ((strncasecmp (name
, "rtnval", 6)) == 0)
6708 p
= input_line_pointer
;
6710 input_line_pointer
++;
6711 name
= input_line_pointer
;
6712 c
= get_symbol_end ();
6713 arg_reloc
= pa_build_arg_reloc (name
);
6714 #if defined (OBJ_SOM) || defined (ELF_ARG_RELOC)
6715 symbol_arg_reloc_info (symbolP
) |= arg_reloc
;
6719 *input_line_pointer
= c
;
6721 /* Privilege level. */
6722 else if ((strncasecmp (name
, "priv_lev", 8)) == 0)
6724 p
= input_line_pointer
;
6726 input_line_pointer
++;
6727 temp
= atoi (input_line_pointer
);
6729 ((obj_symbol_type
*) bfdsym
)->tc_data
.ap
.hppa_priv_level
= temp
;
6731 c
= get_symbol_end ();
6732 *input_line_pointer
= c
;
6736 as_bad (_("Undefined .EXPORT/.IMPORT argument (ignored): %s"), name
);
6737 p
= input_line_pointer
;
6740 if (!is_end_of_statement ())
6741 input_line_pointer
++;
6745 /* Process a .EXPORT directive. This makes functions external
6746 and provides information such as argument relocation entries
6750 pa_export (int unused ATTRIBUTE_UNUSED
)
6755 name
= input_line_pointer
;
6756 c
= get_symbol_end ();
6757 /* Make sure the given symbol exists. */
6758 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6760 as_bad (_("Cannot define export symbol: %s\n"), name
);
6761 p
= input_line_pointer
;
6763 input_line_pointer
++;
6767 /* OK. Set the external bits and process argument relocations.
6768 For the HP, weak and global are not mutually exclusive.
6769 S_SET_EXTERNAL will not set BSF_GLOBAL if WEAK is set.
6770 Call S_SET_EXTERNAL to get the other processing. Manually
6771 set BSF_GLOBAL when we get back. */
6772 S_SET_EXTERNAL (symbol
);
6773 symbol_get_bfdsym (symbol
)->flags
|= BSF_GLOBAL
;
6774 p
= input_line_pointer
;
6776 if (!is_end_of_statement ())
6778 input_line_pointer
++;
6779 pa_type_args (symbol
, 1);
6783 demand_empty_rest_of_line ();
6786 /* Handle an .IMPORT pseudo-op. Any symbol referenced in a given
6787 assembly file must either be defined in the assembly file, or
6788 explicitly IMPORTED from another. */
6791 pa_import (int unused ATTRIBUTE_UNUSED
)
6796 name
= input_line_pointer
;
6797 c
= get_symbol_end ();
6799 symbol
= symbol_find (name
);
6800 /* Ugh. We might be importing a symbol defined earlier in the file,
6801 in which case all the code below will really screw things up
6802 (set the wrong segment, symbol flags & type, etc). */
6803 if (symbol
== NULL
|| !S_IS_DEFINED (symbol
))
6805 symbol
= symbol_find_or_make (name
);
6806 p
= input_line_pointer
;
6809 if (!is_end_of_statement ())
6811 input_line_pointer
++;
6812 pa_type_args (symbol
, 0);
6816 /* Sigh. To be compatible with the HP assembler and to help
6817 poorly written assembly code, we assign a type based on
6818 the current segment. Note only BSF_FUNCTION really
6819 matters, we do not need to set the full SYMBOL_TYPE_* info. */
6820 if (now_seg
== text_section
)
6821 symbol_get_bfdsym (symbol
)->flags
|= BSF_FUNCTION
;
6823 /* If the section is undefined, then the symbol is undefined
6824 Since this is an import, leave the section undefined. */
6825 S_SET_SEGMENT (symbol
, bfd_und_section_ptr
);
6830 /* The symbol was already defined. Just eat everything up to
6831 the end of the current statement. */
6832 while (!is_end_of_statement ())
6833 input_line_pointer
++;
6836 demand_empty_rest_of_line ();
6839 /* Handle a .LABEL pseudo-op. */
6842 pa_label (int unused ATTRIBUTE_UNUSED
)
6846 name
= input_line_pointer
;
6847 c
= get_symbol_end ();
6849 if (strlen (name
) > 0)
6852 p
= input_line_pointer
;
6857 as_warn (_("Missing label name on .LABEL"));
6860 if (!is_end_of_statement ())
6862 as_warn (_("extra .LABEL arguments ignored."));
6863 ignore_rest_of_line ();
6865 demand_empty_rest_of_line ();
6868 /* Handle a .LEAVE pseudo-op. This is not supported yet. */
6871 pa_leave (int unused ATTRIBUTE_UNUSED
)
6874 /* We must have a valid space and subspace. */
6875 pa_check_current_space_and_subspace ();
6878 as_bad (_("The .LEAVE pseudo-op is not supported"));
6879 demand_empty_rest_of_line ();
6882 /* Handle a .LEVEL pseudo-op. */
6885 pa_level (int unused ATTRIBUTE_UNUSED
)
6889 level
= input_line_pointer
;
6890 if (strncmp (level
, "1.0", 3) == 0)
6892 input_line_pointer
+= 3;
6893 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 10))
6894 as_warn (_("could not set architecture and machine"));
6896 else if (strncmp (level
, "1.1", 3) == 0)
6898 input_line_pointer
+= 3;
6899 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 11))
6900 as_warn (_("could not set architecture and machine"));
6902 else if (strncmp (level
, "2.0w", 4) == 0)
6904 input_line_pointer
+= 4;
6905 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 25))
6906 as_warn (_("could not set architecture and machine"));
6908 else if (strncmp (level
, "2.0", 3) == 0)
6910 input_line_pointer
+= 3;
6911 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, 20))
6912 as_warn (_("could not set architecture and machine"));
6916 as_bad (_("Unrecognized .LEVEL argument\n"));
6917 ignore_rest_of_line ();
6919 demand_empty_rest_of_line ();
6922 /* Handle a .ORIGIN pseudo-op. */
6925 pa_origin (int unused ATTRIBUTE_UNUSED
)
6928 /* We must have a valid space and subspace. */
6929 pa_check_current_space_and_subspace ();
6933 pa_undefine_label ();
6936 /* Handle a .PARAM pseudo-op. This is much like a .EXPORT, except it
6937 is for static functions. FIXME. Should share more code with .EXPORT. */
6940 pa_param (int unused ATTRIBUTE_UNUSED
)
6945 name
= input_line_pointer
;
6946 c
= get_symbol_end ();
6948 if ((symbol
= symbol_find_or_make (name
)) == NULL
)
6950 as_bad (_("Cannot define static symbol: %s\n"), name
);
6951 p
= input_line_pointer
;
6953 input_line_pointer
++;
6957 S_CLEAR_EXTERNAL (symbol
);
6958 p
= input_line_pointer
;
6960 if (!is_end_of_statement ())
6962 input_line_pointer
++;
6963 pa_type_args (symbol
, 0);
6967 demand_empty_rest_of_line ();
6970 /* Handle a .PROC pseudo-op. It is used to mark the beginning
6971 of a procedure from a syntactical point of view. */
6974 pa_proc (int unused ATTRIBUTE_UNUSED
)
6976 struct call_info
*call_info
;
6979 /* We must have a valid space and subspace. */
6980 pa_check_current_space_and_subspace ();
6983 if (within_procedure
)
6984 as_fatal (_("Nested procedures"));
6986 /* Reset global variables for new procedure. */
6987 callinfo_found
= FALSE
;
6988 within_procedure
= TRUE
;
6990 /* Create another call_info structure. */
6991 call_info
= xmalloc (sizeof (struct call_info
));
6994 as_fatal (_("Cannot allocate unwind descriptor\n"));
6996 memset (call_info
, 0, sizeof (struct call_info
));
6998 call_info
->ci_next
= NULL
;
7000 if (call_info_root
== NULL
)
7002 call_info_root
= call_info
;
7003 last_call_info
= call_info
;
7007 last_call_info
->ci_next
= call_info
;
7008 last_call_info
= call_info
;
7011 /* set up defaults on call_info structure */
7013 call_info
->ci_unwind
.descriptor
.cannot_unwind
= 0;
7014 call_info
->ci_unwind
.descriptor
.region_desc
= 1;
7015 call_info
->ci_unwind
.descriptor
.hpux_interrupt_marker
= 0;
7017 /* If we got a .PROC pseudo-op, we know that the function is defined
7018 locally. Make sure it gets into the symbol table. */
7020 label_symbol_struct
*label_symbol
= pa_get_label ();
7024 if (label_symbol
->lss_label
)
7026 last_call_info
->start_symbol
= label_symbol
->lss_label
;
7027 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
|= BSF_FUNCTION
;
7030 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7033 last_call_info
->start_symbol
= NULL
;
7036 demand_empty_rest_of_line ();
7039 /* Process the syntactical end of a procedure. Make sure all the
7040 appropriate pseudo-ops were found within the procedure. */
7043 pa_procend (int unused ATTRIBUTE_UNUSED
)
7046 /* We must have a valid space and subspace. */
7047 pa_check_current_space_and_subspace ();
7050 /* If we are within a procedure definition, make sure we've
7051 defined a label for the procedure; handle case where the
7052 label was defined after the .PROC directive.
7054 Note there's not need to diddle with the segment or fragment
7055 for the label symbol in this case. We have already switched
7056 into the new $CODE$ subspace at this point. */
7057 if (within_procedure
&& last_call_info
->start_symbol
== NULL
)
7059 label_symbol_struct
*label_symbol
= pa_get_label ();
7063 if (label_symbol
->lss_label
)
7065 last_call_info
->start_symbol
= label_symbol
->lss_label
;
7066 symbol_get_bfdsym (label_symbol
->lss_label
)->flags
7069 /* Also handle allocation of a fixup to hold the unwind
7070 information when the label appears after the proc/procend. */
7071 if (within_entry_exit
)
7076 where
= frag_more (0);
7077 u
= UNWIND_LOW32 (&last_call_info
->ci_unwind
.descriptor
);
7078 fix_new_hppa (frag_now
, where
- frag_now
->fr_literal
, 0,
7079 NULL
, (offsetT
) 0, NULL
,
7080 0, R_HPPA_ENTRY
, e_fsel
, 0, 0, u
);
7085 as_bad (_("Missing function name for .PROC (corrupted label chain)"));
7088 as_bad (_("Missing function name for .PROC"));
7091 if (!within_procedure
)
7092 as_bad (_("misplaced .procend"));
7094 if (!callinfo_found
)
7095 as_bad (_("Missing .callinfo for this procedure"));
7097 if (within_entry_exit
)
7098 as_bad (_("Missing .EXIT for a .ENTRY"));
7101 /* ELF needs to mark the end of each function so that it can compute
7102 the size of the function (apparently its needed in the symbol table). */
7103 hppa_elf_mark_end_of_function ();
7106 within_procedure
= FALSE
;
7107 demand_empty_rest_of_line ();
7108 pa_undefine_label ();
7112 /* If VALUE is an exact power of two between zero and 2^31, then
7113 return log2 (VALUE). Else return -1. */
7116 exact_log2 (int value
)
7120 while ((1 << shift
) != value
&& shift
< 32)
7129 /* Check to make sure we have a valid space and subspace. */
7132 pa_check_current_space_and_subspace (void)
7134 if (current_space
== NULL
)
7135 as_fatal (_("Not in a space.\n"));
7137 if (current_subspace
== NULL
)
7138 as_fatal (_("Not in a subspace.\n"));
7141 /* Parse the parameters to a .SPACE directive; if CREATE_FLAG is nonzero,
7142 then create a new space entry to hold the information specified
7143 by the parameters to the .SPACE directive. */
7145 static sd_chain_struct
*
7146 pa_parse_space_stmt (char *space_name
, int create_flag
)
7148 char *name
, *ptemp
, c
;
7149 char loadable
, defined
, private, sort
;
7151 asection
*seg
= NULL
;
7152 sd_chain_struct
*space
;
7154 /* Load default values. */
7160 if (strcmp (space_name
, "$TEXT$") == 0)
7162 seg
= pa_def_spaces
[0].segment
;
7163 defined
= pa_def_spaces
[0].defined
;
7164 private = pa_def_spaces
[0].private;
7165 sort
= pa_def_spaces
[0].sort
;
7166 spnum
= pa_def_spaces
[0].spnum
;
7168 else if (strcmp (space_name
, "$PRIVATE$") == 0)
7170 seg
= pa_def_spaces
[1].segment
;
7171 defined
= pa_def_spaces
[1].defined
;
7172 private = pa_def_spaces
[1].private;
7173 sort
= pa_def_spaces
[1].sort
;
7174 spnum
= pa_def_spaces
[1].spnum
;
7177 if (!is_end_of_statement ())
7179 print_errors
= FALSE
;
7180 ptemp
= input_line_pointer
+ 1;
7181 /* First see if the space was specified as a number rather than
7182 as a name. According to the PA assembly manual the rest of
7183 the line should be ignored. */
7185 pa_parse_number (&ptemp
, 0);
7189 input_line_pointer
= ptemp
;
7193 while (!is_end_of_statement ())
7195 input_line_pointer
++;
7196 name
= input_line_pointer
;
7197 c
= get_symbol_end ();
7198 if ((strncasecmp (name
, "spnum", 5) == 0))
7200 *input_line_pointer
= c
;
7201 input_line_pointer
++;
7202 spnum
= get_absolute_expression ();
7204 else if ((strncasecmp (name
, "sort", 4) == 0))
7206 *input_line_pointer
= c
;
7207 input_line_pointer
++;
7208 sort
= get_absolute_expression ();
7210 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7212 *input_line_pointer
= c
;
7215 else if ((strncasecmp (name
, "notdefined", 10) == 0))
7217 *input_line_pointer
= c
;
7220 else if ((strncasecmp (name
, "private", 7) == 0))
7222 *input_line_pointer
= c
;
7227 as_bad (_("Invalid .SPACE argument"));
7228 *input_line_pointer
= c
;
7229 if (!is_end_of_statement ())
7230 input_line_pointer
++;
7234 print_errors
= TRUE
;
7237 if (create_flag
&& seg
== NULL
)
7238 seg
= subseg_new (space_name
, 0);
7240 /* If create_flag is nonzero, then create the new space with
7241 the attributes computed above. Else set the values in
7242 an already existing space -- this can only happen for
7243 the first occurrence of a built-in space. */
7245 space
= create_new_space (space_name
, spnum
, loadable
, defined
,
7246 private, sort
, seg
, 1);
7249 space
= is_defined_space (space_name
);
7250 SPACE_SPNUM (space
) = spnum
;
7251 SPACE_DEFINED (space
) = defined
& 1;
7252 SPACE_USER_DEFINED (space
) = 1;
7255 #ifdef obj_set_section_attributes
7256 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7262 /* Handle a .SPACE pseudo-op; this switches the current space to the
7263 given space, creating the new space if necessary. */
7266 pa_space (int unused ATTRIBUTE_UNUSED
)
7268 char *name
, c
, *space_name
, *save_s
;
7269 sd_chain_struct
*sd_chain
;
7271 if (within_procedure
)
7273 as_bad (_("Can\'t change spaces within a procedure definition. Ignored"));
7274 ignore_rest_of_line ();
7278 /* Check for some of the predefined spaces. FIXME: most of the code
7279 below is repeated several times, can we extract the common parts
7280 and place them into a subroutine or something similar? */
7281 /* FIXME Is this (and the next IF stmt) really right?
7282 What if INPUT_LINE_POINTER points to "$TEXT$FOO"? */
7283 if (strncmp (input_line_pointer
, "$TEXT$", 6) == 0)
7285 input_line_pointer
+= 6;
7286 sd_chain
= is_defined_space ("$TEXT$");
7287 if (sd_chain
== NULL
)
7288 sd_chain
= pa_parse_space_stmt ("$TEXT$", 1);
7289 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7290 sd_chain
= pa_parse_space_stmt ("$TEXT$", 0);
7292 current_space
= sd_chain
;
7293 subseg_set (text_section
, sd_chain
->sd_last_subseg
);
7295 = pa_subsegment_to_subspace (text_section
,
7296 sd_chain
->sd_last_subseg
);
7297 demand_empty_rest_of_line ();
7300 if (strncmp (input_line_pointer
, "$PRIVATE$", 9) == 0)
7302 input_line_pointer
+= 9;
7303 sd_chain
= is_defined_space ("$PRIVATE$");
7304 if (sd_chain
== NULL
)
7305 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 1);
7306 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7307 sd_chain
= pa_parse_space_stmt ("$PRIVATE$", 0);
7309 current_space
= sd_chain
;
7310 subseg_set (data_section
, sd_chain
->sd_last_subseg
);
7312 = pa_subsegment_to_subspace (data_section
,
7313 sd_chain
->sd_last_subseg
);
7314 demand_empty_rest_of_line ();
7317 if (!strncasecmp (input_line_pointer
,
7318 GDB_DEBUG_SPACE_NAME
,
7319 strlen (GDB_DEBUG_SPACE_NAME
)))
7321 input_line_pointer
+= strlen (GDB_DEBUG_SPACE_NAME
);
7322 sd_chain
= is_defined_space (GDB_DEBUG_SPACE_NAME
);
7323 if (sd_chain
== NULL
)
7324 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 1);
7325 else if (SPACE_USER_DEFINED (sd_chain
) == 0)
7326 sd_chain
= pa_parse_space_stmt (GDB_DEBUG_SPACE_NAME
, 0);
7328 current_space
= sd_chain
;
7331 asection
*gdb_section
7332 = bfd_make_section_old_way (stdoutput
, GDB_DEBUG_SPACE_NAME
);
7334 subseg_set (gdb_section
, sd_chain
->sd_last_subseg
);
7336 = pa_subsegment_to_subspace (gdb_section
,
7337 sd_chain
->sd_last_subseg
);
7339 demand_empty_rest_of_line ();
7343 /* It could be a space specified by number. */
7345 save_s
= input_line_pointer
;
7347 pa_parse_number (&input_line_pointer
, 0);
7350 if ((sd_chain
= pa_find_space_by_number (pa_number
)))
7352 current_space
= sd_chain
;
7354 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7356 = pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7357 sd_chain
->sd_last_subseg
);
7358 demand_empty_rest_of_line ();
7363 /* Not a number, attempt to create a new space. */
7365 input_line_pointer
= save_s
;
7366 name
= input_line_pointer
;
7367 c
= get_symbol_end ();
7368 space_name
= xmalloc (strlen (name
) + 1);
7369 strcpy (space_name
, name
);
7370 *input_line_pointer
= c
;
7372 sd_chain
= pa_parse_space_stmt (space_name
, 1);
7373 current_space
= sd_chain
;
7375 subseg_set (sd_chain
->sd_seg
, sd_chain
->sd_last_subseg
);
7376 current_subspace
= pa_subsegment_to_subspace (sd_chain
->sd_seg
,
7377 sd_chain
->sd_last_subseg
);
7378 demand_empty_rest_of_line ();
7382 /* Switch to a new space. (I think). FIXME. */
7385 pa_spnum (int unused ATTRIBUTE_UNUSED
)
7390 sd_chain_struct
*space
;
7392 name
= input_line_pointer
;
7393 c
= get_symbol_end ();
7394 space
= is_defined_space (name
);
7398 md_number_to_chars (p
, SPACE_SPNUM (space
), 4);
7401 as_warn (_("Undefined space: '%s' Assuming space number = 0."), name
);
7403 *input_line_pointer
= c
;
7404 demand_empty_rest_of_line ();
7407 /* Handle a .SUBSPACE pseudo-op; this switches the current subspace to the
7408 given subspace, creating the new subspace if necessary.
7410 FIXME. Should mirror pa_space more closely, in particular how
7411 they're broken up into subroutines. */
7414 pa_subspace (int create_new
)
7416 char *name
, *ss_name
, c
;
7417 char loadable
, code_only
, comdat
, common
, dup_common
, zero
, sort
;
7418 int i
, access_ctr
, space_index
, alignment
, quadrant
, applicable
, flags
;
7419 sd_chain_struct
*space
;
7420 ssd_chain_struct
*ssd
;
7423 if (current_space
== NULL
)
7424 as_fatal (_("Must be in a space before changing or declaring subspaces.\n"));
7426 if (within_procedure
)
7428 as_bad (_("Can\'t change subspaces within a procedure definition. Ignored"));
7429 ignore_rest_of_line ();
7433 name
= input_line_pointer
;
7434 c
= get_symbol_end ();
7435 ss_name
= xmalloc (strlen (name
) + 1);
7436 strcpy (ss_name
, name
);
7437 *input_line_pointer
= c
;
7439 /* Load default values. */
7452 space
= current_space
;
7456 ssd
= is_defined_subspace (ss_name
);
7457 /* Allow user to override the builtin attributes of subspaces. But
7458 only allow the attributes to be changed once! */
7459 if (ssd
&& SUBSPACE_DEFINED (ssd
))
7461 subseg_set (ssd
->ssd_seg
, ssd
->ssd_subseg
);
7462 current_subspace
= ssd
;
7463 if (!is_end_of_statement ())
7464 as_warn (_("Parameters of an existing subspace can\'t be modified"));
7465 demand_empty_rest_of_line ();
7470 /* A new subspace. Load default values if it matches one of
7471 the builtin subspaces. */
7473 while (pa_def_subspaces
[i
].name
)
7475 if (strcasecmp (pa_def_subspaces
[i
].name
, ss_name
) == 0)
7477 loadable
= pa_def_subspaces
[i
].loadable
;
7478 comdat
= pa_def_subspaces
[i
].comdat
;
7479 common
= pa_def_subspaces
[i
].common
;
7480 dup_common
= pa_def_subspaces
[i
].dup_common
;
7481 code_only
= pa_def_subspaces
[i
].code_only
;
7482 zero
= pa_def_subspaces
[i
].zero
;
7483 space_index
= pa_def_subspaces
[i
].space_index
;
7484 alignment
= pa_def_subspaces
[i
].alignment
;
7485 quadrant
= pa_def_subspaces
[i
].quadrant
;
7486 access_ctr
= pa_def_subspaces
[i
].access
;
7487 sort
= pa_def_subspaces
[i
].sort
;
7494 /* We should be working with a new subspace now. Fill in
7495 any information as specified by the user. */
7496 if (!is_end_of_statement ())
7498 input_line_pointer
++;
7499 while (!is_end_of_statement ())
7501 name
= input_line_pointer
;
7502 c
= get_symbol_end ();
7503 if ((strncasecmp (name
, "quad", 4) == 0))
7505 *input_line_pointer
= c
;
7506 input_line_pointer
++;
7507 quadrant
= get_absolute_expression ();
7509 else if ((strncasecmp (name
, "align", 5) == 0))
7511 *input_line_pointer
= c
;
7512 input_line_pointer
++;
7513 alignment
= get_absolute_expression ();
7514 if (exact_log2 (alignment
) == -1)
7516 as_bad (_("Alignment must be a power of 2"));
7520 else if ((strncasecmp (name
, "access", 6) == 0))
7522 *input_line_pointer
= c
;
7523 input_line_pointer
++;
7524 access_ctr
= get_absolute_expression ();
7526 else if ((strncasecmp (name
, "sort", 4) == 0))
7528 *input_line_pointer
= c
;
7529 input_line_pointer
++;
7530 sort
= get_absolute_expression ();
7532 else if ((strncasecmp (name
, "code_only", 9) == 0))
7534 *input_line_pointer
= c
;
7537 else if ((strncasecmp (name
, "unloadable", 10) == 0))
7539 *input_line_pointer
= c
;
7542 else if ((strncasecmp (name
, "comdat", 6) == 0))
7544 *input_line_pointer
= c
;
7547 else if ((strncasecmp (name
, "common", 6) == 0))
7549 *input_line_pointer
= c
;
7552 else if ((strncasecmp (name
, "dup_comm", 8) == 0))
7554 *input_line_pointer
= c
;
7557 else if ((strncasecmp (name
, "zero", 4) == 0))
7559 *input_line_pointer
= c
;
7562 else if ((strncasecmp (name
, "first", 5) == 0))
7563 as_bad (_("FIRST not supported as a .SUBSPACE argument"));
7565 as_bad (_("Invalid .SUBSPACE argument"));
7566 if (!is_end_of_statement ())
7567 input_line_pointer
++;
7571 /* Compute a reasonable set of BFD flags based on the information
7572 in the .subspace directive. */
7573 applicable
= bfd_applicable_section_flags (stdoutput
);
7576 flags
|= (SEC_ALLOC
| SEC_LOAD
);
7580 /* These flags are used to implement various flavors of initialized
7581 common. The SOM linker discards duplicate subspaces when they
7582 have the same "key" symbol name. This support is more like
7583 GNU linkonce than BFD common. Further, pc-relative relocations
7584 are converted to section relative relocations in BFD common
7585 sections. This complicates the handling of relocations in
7586 common sections containing text and isn't currently supported
7587 correctly in the SOM BFD backend. */
7588 if (comdat
|| common
|| dup_common
)
7589 flags
|= SEC_LINK_ONCE
;
7591 flags
|= SEC_RELOC
| SEC_HAS_CONTENTS
;
7593 /* This is a zero-filled subspace (eg BSS). */
7595 flags
&= ~(SEC_LOAD
| SEC_HAS_CONTENTS
);
7597 applicable
&= flags
;
7599 /* If this is an existing subspace, then we want to use the
7600 segment already associated with the subspace.
7602 FIXME NOW! ELF BFD doesn't appear to be ready to deal with
7603 lots of sections. It might be a problem in the PA ELF
7604 code, I do not know yet. For now avoid creating anything
7605 but the "standard" sections for ELF. */
7607 section
= subseg_force_new (ss_name
, 0);
7609 section
= ssd
->ssd_seg
;
7611 section
= subseg_new (ss_name
, 0);
7614 seg_info (section
)->bss
= 1;
7616 /* Now set the flags. */
7617 bfd_set_section_flags (stdoutput
, section
, applicable
);
7619 /* Record any alignment request for this section. */
7620 record_alignment (section
, exact_log2 (alignment
));
7622 /* Set the starting offset for this section. */
7623 bfd_set_section_vma (stdoutput
, section
,
7624 pa_subspace_start (space
, quadrant
));
7626 /* Now that all the flags are set, update an existing subspace,
7627 or create a new one. */
7630 current_subspace
= update_subspace (space
, ss_name
, loadable
,
7631 code_only
, comdat
, common
,
7632 dup_common
, sort
, zero
, access_ctr
,
7633 space_index
, alignment
, quadrant
,
7636 current_subspace
= create_new_subspace (space
, ss_name
, loadable
,
7637 code_only
, comdat
, common
,
7638 dup_common
, zero
, sort
,
7639 access_ctr
, space_index
,
7640 alignment
, quadrant
, section
);
7642 demand_empty_rest_of_line ();
7643 current_subspace
->ssd_seg
= section
;
7644 subseg_set (current_subspace
->ssd_seg
, current_subspace
->ssd_subseg
);
7646 SUBSPACE_DEFINED (current_subspace
) = 1;
7649 /* Create default space and subspace dictionaries. */
7652 pa_spaces_begin (void)
7656 space_dict_root
= NULL
;
7657 space_dict_last
= NULL
;
7660 while (pa_def_spaces
[i
].name
)
7664 /* Pick the right name to use for the new section. */
7665 name
= pa_def_spaces
[i
].name
;
7667 pa_def_spaces
[i
].segment
= subseg_new (name
, 0);
7668 create_new_space (pa_def_spaces
[i
].name
, pa_def_spaces
[i
].spnum
,
7669 pa_def_spaces
[i
].loadable
, pa_def_spaces
[i
].defined
,
7670 pa_def_spaces
[i
].private, pa_def_spaces
[i
].sort
,
7671 pa_def_spaces
[i
].segment
, 0);
7676 while (pa_def_subspaces
[i
].name
)
7679 int applicable
, subsegment
;
7680 asection
*segment
= NULL
;
7681 sd_chain_struct
*space
;
7683 /* Pick the right name for the new section and pick the right
7684 subsegment number. */
7685 name
= pa_def_subspaces
[i
].name
;
7688 /* Create the new section. */
7689 segment
= subseg_new (name
, subsegment
);
7691 /* For SOM we want to replace the standard .text, .data, and .bss
7692 sections with our own. We also want to set BFD flags for
7693 all the built-in subspaces. */
7694 if (!strcmp (pa_def_subspaces
[i
].name
, "$CODE$"))
7696 text_section
= segment
;
7697 applicable
= bfd_applicable_section_flags (stdoutput
);
7698 bfd_set_section_flags (stdoutput
, segment
,
7699 applicable
& (SEC_ALLOC
| SEC_LOAD
7700 | SEC_RELOC
| SEC_CODE
7702 | SEC_HAS_CONTENTS
));
7704 else if (!strcmp (pa_def_subspaces
[i
].name
, "$DATA$"))
7706 data_section
= segment
;
7707 applicable
= bfd_applicable_section_flags (stdoutput
);
7708 bfd_set_section_flags (stdoutput
, segment
,
7709 applicable
& (SEC_ALLOC
| SEC_LOAD
7711 | SEC_HAS_CONTENTS
));
7714 else if (!strcmp (pa_def_subspaces
[i
].name
, "$BSS$"))
7716 bss_section
= segment
;
7717 applicable
= bfd_applicable_section_flags (stdoutput
);
7718 bfd_set_section_flags (stdoutput
, segment
,
7719 applicable
& SEC_ALLOC
);
7721 else if (!strcmp (pa_def_subspaces
[i
].name
, "$LIT$"))
7723 applicable
= bfd_applicable_section_flags (stdoutput
);
7724 bfd_set_section_flags (stdoutput
, segment
,
7725 applicable
& (SEC_ALLOC
| SEC_LOAD
7728 | SEC_HAS_CONTENTS
));
7730 else if (!strcmp (pa_def_subspaces
[i
].name
, "$MILLICODE$"))
7732 applicable
= bfd_applicable_section_flags (stdoutput
);
7733 bfd_set_section_flags (stdoutput
, segment
,
7734 applicable
& (SEC_ALLOC
| SEC_LOAD
7737 | SEC_HAS_CONTENTS
));
7739 else if (!strcmp (pa_def_subspaces
[i
].name
, "$UNWIND$"))
7741 applicable
= bfd_applicable_section_flags (stdoutput
);
7742 bfd_set_section_flags (stdoutput
, segment
,
7743 applicable
& (SEC_ALLOC
| SEC_LOAD
7746 | SEC_HAS_CONTENTS
));
7749 /* Find the space associated with this subspace. */
7750 space
= pa_segment_to_space (pa_def_spaces
[pa_def_subspaces
[i
].
7751 def_space_index
].segment
);
7754 as_fatal (_("Internal error: Unable to find containing space for %s."),
7755 pa_def_subspaces
[i
].name
);
7758 create_new_subspace (space
, name
,
7759 pa_def_subspaces
[i
].loadable
,
7760 pa_def_subspaces
[i
].code_only
,
7761 pa_def_subspaces
[i
].comdat
,
7762 pa_def_subspaces
[i
].common
,
7763 pa_def_subspaces
[i
].dup_common
,
7764 pa_def_subspaces
[i
].zero
,
7765 pa_def_subspaces
[i
].sort
,
7766 pa_def_subspaces
[i
].access
,
7767 pa_def_subspaces
[i
].space_index
,
7768 pa_def_subspaces
[i
].alignment
,
7769 pa_def_subspaces
[i
].quadrant
,
7775 /* Create a new space NAME, with the appropriate flags as defined
7776 by the given parameters. */
7778 static sd_chain_struct
*
7779 create_new_space (char *name
,
7781 int loadable ATTRIBUTE_UNUSED
,
7788 sd_chain_struct
*chain_entry
;
7790 chain_entry
= xmalloc (sizeof (sd_chain_struct
));
7792 as_fatal (_("Out of memory: could not allocate new space chain entry: %s\n"),
7795 SPACE_NAME (chain_entry
) = xmalloc (strlen (name
) + 1);
7796 strcpy (SPACE_NAME (chain_entry
), name
);
7797 SPACE_DEFINED (chain_entry
) = defined
;
7798 SPACE_USER_DEFINED (chain_entry
) = user_defined
;
7799 SPACE_SPNUM (chain_entry
) = spnum
;
7801 chain_entry
->sd_seg
= seg
;
7802 chain_entry
->sd_last_subseg
= -1;
7803 chain_entry
->sd_subspaces
= NULL
;
7804 chain_entry
->sd_next
= NULL
;
7806 /* Find spot for the new space based on its sort key. */
7807 if (!space_dict_last
)
7808 space_dict_last
= chain_entry
;
7810 if (space_dict_root
== NULL
)
7811 space_dict_root
= chain_entry
;
7814 sd_chain_struct
*chain_pointer
;
7815 sd_chain_struct
*prev_chain_pointer
;
7817 chain_pointer
= space_dict_root
;
7818 prev_chain_pointer
= NULL
;
7820 while (chain_pointer
)
7822 prev_chain_pointer
= chain_pointer
;
7823 chain_pointer
= chain_pointer
->sd_next
;
7826 /* At this point we've found the correct place to add the new
7827 entry. So add it and update the linked lists as appropriate. */
7828 if (prev_chain_pointer
)
7830 chain_entry
->sd_next
= chain_pointer
;
7831 prev_chain_pointer
->sd_next
= chain_entry
;
7835 space_dict_root
= chain_entry
;
7836 chain_entry
->sd_next
= chain_pointer
;
7839 if (chain_entry
->sd_next
== NULL
)
7840 space_dict_last
= chain_entry
;
7843 /* This is here to catch predefined spaces which do not get
7844 modified by the user's input. Another call is found at
7845 the bottom of pa_parse_space_stmt to handle cases where
7846 the user modifies a predefined space. */
7847 #ifdef obj_set_section_attributes
7848 obj_set_section_attributes (seg
, defined
, private, sort
, spnum
);
7854 /* Create a new subspace NAME, with the appropriate flags as defined
7855 by the given parameters.
7857 Add the new subspace to the subspace dictionary chain in numerical
7858 order as defined by the SORT entries. */
7860 static ssd_chain_struct
*
7861 create_new_subspace (sd_chain_struct
*space
,
7863 int loadable ATTRIBUTE_UNUSED
,
7864 int code_only ATTRIBUTE_UNUSED
,
7868 int is_zero ATTRIBUTE_UNUSED
,
7871 int space_index ATTRIBUTE_UNUSED
,
7872 int alignment ATTRIBUTE_UNUSED
,
7876 ssd_chain_struct
*chain_entry
;
7878 chain_entry
= xmalloc (sizeof (ssd_chain_struct
));
7880 as_fatal (_("Out of memory: could not allocate new subspace chain entry: %s\n"), name
);
7882 SUBSPACE_NAME (chain_entry
) = xmalloc (strlen (name
) + 1);
7883 strcpy (SUBSPACE_NAME (chain_entry
), name
);
7885 /* Initialize subspace_defined. When we hit a .subspace directive
7886 we'll set it to 1 which "locks-in" the subspace attributes. */
7887 SUBSPACE_DEFINED (chain_entry
) = 0;
7889 chain_entry
->ssd_subseg
= 0;
7890 chain_entry
->ssd_seg
= seg
;
7891 chain_entry
->ssd_next
= NULL
;
7893 /* Find spot for the new subspace based on its sort key. */
7894 if (space
->sd_subspaces
== NULL
)
7895 space
->sd_subspaces
= chain_entry
;
7898 ssd_chain_struct
*chain_pointer
;
7899 ssd_chain_struct
*prev_chain_pointer
;
7901 chain_pointer
= space
->sd_subspaces
;
7902 prev_chain_pointer
= NULL
;
7904 while (chain_pointer
)
7906 prev_chain_pointer
= chain_pointer
;
7907 chain_pointer
= chain_pointer
->ssd_next
;
7910 /* Now we have somewhere to put the new entry. Insert it and update
7912 if (prev_chain_pointer
)
7914 chain_entry
->ssd_next
= chain_pointer
;
7915 prev_chain_pointer
->ssd_next
= chain_entry
;
7919 space
->sd_subspaces
= chain_entry
;
7920 chain_entry
->ssd_next
= chain_pointer
;
7924 #ifdef obj_set_subsection_attributes
7925 obj_set_subsection_attributes (seg
, space
->sd_seg
, access_ctr
, sort
,
7926 quadrant
, comdat
, common
, dup_common
);
7932 /* Update the information for the given subspace based upon the
7933 various arguments. Return the modified subspace chain entry. */
7935 static ssd_chain_struct
*
7936 update_subspace (sd_chain_struct
*space
,
7938 int loadable ATTRIBUTE_UNUSED
,
7939 int code_only ATTRIBUTE_UNUSED
,
7944 int zero ATTRIBUTE_UNUSED
,
7946 int space_index ATTRIBUTE_UNUSED
,
7947 int alignment ATTRIBUTE_UNUSED
,
7951 ssd_chain_struct
*chain_entry
;
7953 chain_entry
= is_defined_subspace (name
);
7955 #ifdef obj_set_subsection_attributes
7956 obj_set_subsection_attributes (section
, space
->sd_seg
, access_ctr
, sort
,
7957 quadrant
, comdat
, common
, dup_common
);
7963 /* Return the space chain entry for the space with the name NAME or
7964 NULL if no such space exists. */
7966 static sd_chain_struct
*
7967 is_defined_space (char *name
)
7969 sd_chain_struct
*chain_pointer
;
7971 for (chain_pointer
= space_dict_root
;
7973 chain_pointer
= chain_pointer
->sd_next
)
7974 if (strcmp (SPACE_NAME (chain_pointer
), name
) == 0)
7975 return chain_pointer
;
7977 /* No mapping from segment to space was found. Return NULL. */
7981 /* Find and return the space associated with the given seg. If no mapping
7982 from the given seg to a space is found, then return NULL.
7984 Unlike subspaces, the number of spaces is not expected to grow much,
7985 so a linear exhaustive search is OK here. */
7987 static sd_chain_struct
*
7988 pa_segment_to_space (asection
*seg
)
7990 sd_chain_struct
*space_chain
;
7992 /* Walk through each space looking for the correct mapping. */
7993 for (space_chain
= space_dict_root
;
7995 space_chain
= space_chain
->sd_next
)
7996 if (space_chain
->sd_seg
== seg
)
7999 /* Mapping was not found. Return NULL. */
8003 /* Return the first space chain entry for the subspace with the name
8004 NAME or NULL if no such subspace exists.
8006 When there are multiple subspaces with the same name, switching to
8007 the first (i.e., default) subspace is preferable in most situations.
8008 For example, it wouldn't be desirable to merge COMDAT data with non
8011 Uses a linear search through all the spaces and subspaces, this may
8012 not be appropriate if we ever being placing each function in its
8015 static ssd_chain_struct
*
8016 is_defined_subspace (char *name
)
8018 sd_chain_struct
*space_chain
;
8019 ssd_chain_struct
*subspace_chain
;
8021 /* Walk through each space. */
8022 for (space_chain
= space_dict_root
;
8024 space_chain
= space_chain
->sd_next
)
8026 /* Walk through each subspace looking for a name which matches. */
8027 for (subspace_chain
= space_chain
->sd_subspaces
;
8029 subspace_chain
= subspace_chain
->ssd_next
)
8030 if (strcmp (SUBSPACE_NAME (subspace_chain
), name
) == 0)
8031 return subspace_chain
;
8034 /* Subspace wasn't found. Return NULL. */
8038 /* Find and return the subspace associated with the given seg. If no
8039 mapping from the given seg to a subspace is found, then return NULL.
8041 If we ever put each procedure/function within its own subspace
8042 (to make life easier on the compiler and linker), then this will have
8043 to become more efficient. */
8045 static ssd_chain_struct
*
8046 pa_subsegment_to_subspace (asection
*seg
, subsegT subseg
)
8048 sd_chain_struct
*space_chain
;
8049 ssd_chain_struct
*subspace_chain
;
8051 /* Walk through each space. */
8052 for (space_chain
= space_dict_root
;
8054 space_chain
= space_chain
->sd_next
)
8056 if (space_chain
->sd_seg
== seg
)
8058 /* Walk through each subspace within each space looking for
8059 the correct mapping. */
8060 for (subspace_chain
= space_chain
->sd_subspaces
;
8062 subspace_chain
= subspace_chain
->ssd_next
)
8063 if (subspace_chain
->ssd_subseg
== (int) subseg
)
8064 return subspace_chain
;
8068 /* No mapping from subsegment to subspace found. Return NULL. */
8072 /* Given a number, try and find a space with the name number.
8074 Return a pointer to a space dictionary chain entry for the space
8075 that was found or NULL on failure. */
8077 static sd_chain_struct
*
8078 pa_find_space_by_number (int number
)
8080 sd_chain_struct
*space_chain
;
8082 for (space_chain
= space_dict_root
;
8084 space_chain
= space_chain
->sd_next
)
8086 if (SPACE_SPNUM (space_chain
) == (unsigned int) number
)
8090 /* No appropriate space found. Return NULL. */
8094 /* Return the starting address for the given subspace. If the starting
8095 address is unknown then return zero. */
8098 pa_subspace_start (sd_chain_struct
*space
, int quadrant
)
8100 /* FIXME. Assumes everyone puts read/write data at 0x4000000, this
8101 is not correct for the PA OSF1 port. */
8102 if ((strcmp (SPACE_NAME (space
), "$PRIVATE$") == 0) && quadrant
== 1)
8104 else if (space
->sd_seg
== data_section
&& quadrant
== 1)
8112 /* Helper function for pa_stringer. Used to find the end of
8116 pa_stringer_aux (char *s
)
8118 unsigned int c
= *s
& CHAR_MASK
;
8131 /* Handle a .STRING type pseudo-op. */
8134 pa_stringer (int append_zero
)
8136 char *s
, num_buf
[4];
8140 /* Preprocess the string to handle PA-specific escape sequences.
8141 For example, \xDD where DD is a hexadecimal number should be
8142 changed to \OOO where OOO is an octal number. */
8145 /* We must have a valid space and subspace. */
8146 pa_check_current_space_and_subspace ();
8149 /* Skip the opening quote. */
8150 s
= input_line_pointer
+ 1;
8152 while (is_a_char (c
= pa_stringer_aux (s
++)))
8159 /* Handle \x<num>. */
8162 unsigned int number
;
8167 /* Get past the 'x'. */
8169 for (num_digit
= 0, number
= 0, dg
= *s
;
8171 && (ISDIGIT (dg
) || (dg
>= 'a' && dg
<= 'f')
8172 || (dg
>= 'A' && dg
<= 'F'));
8176 number
= number
* 16 + dg
- '0';
8177 else if (dg
>= 'a' && dg
<= 'f')
8178 number
= number
* 16 + dg
- 'a' + 10;
8180 number
= number
* 16 + dg
- 'A' + 10;
8190 sprintf (num_buf
, "%02o", number
);
8193 sprintf (num_buf
, "%03o", number
);
8196 for (i
= 0; i
<= num_digit
; i
++)
8197 s_start
[i
] = num_buf
[i
];
8201 /* This might be a "\"", skip over the escaped char. */
8208 stringer (8 + append_zero
);
8209 pa_undefine_label ();
8212 /* Handle a .VERSION pseudo-op. */
8215 pa_version (int unused ATTRIBUTE_UNUSED
)
8218 pa_undefine_label ();
8223 /* Handle a .COMPILER pseudo-op. */
8226 pa_compiler (int unused ATTRIBUTE_UNUSED
)
8228 obj_som_compiler (0);
8229 pa_undefine_label ();
8234 /* Handle a .COPYRIGHT pseudo-op. */
8237 pa_copyright (int unused ATTRIBUTE_UNUSED
)
8240 pa_undefine_label ();
8243 /* Just like a normal cons, but when finished we have to undefine
8244 the latest space label. */
8247 pa_cons (int nbytes
)
8250 pa_undefine_label ();
8253 /* Like float_cons, but we need to undefine our label. */
8256 pa_float_cons (int float_type
)
8258 float_cons (float_type
);
8259 pa_undefine_label ();
8262 /* Like s_fill, but delete our label when finished. */
8265 pa_fill (int unused ATTRIBUTE_UNUSED
)
8268 /* We must have a valid space and subspace. */
8269 pa_check_current_space_and_subspace ();
8273 pa_undefine_label ();
8276 /* Like lcomm, but delete our label when finished. */
8279 pa_lcomm (int needs_align
)
8282 /* We must have a valid space and subspace. */
8283 pa_check_current_space_and_subspace ();
8286 s_lcomm (needs_align
);
8287 pa_undefine_label ();
8290 /* Like lsym, but delete our label when finished. */
8293 pa_lsym (int unused ATTRIBUTE_UNUSED
)
8296 /* We must have a valid space and subspace. */
8297 pa_check_current_space_and_subspace ();
8301 pa_undefine_label ();
8304 /* This function is called once, at assembler startup time. It should
8305 set up all the tables, etc. that the MD part of the assembler will need. */
8310 const char *retval
= NULL
;
8314 last_call_info
= NULL
;
8315 call_info_root
= NULL
;
8317 /* Set the default machine type. */
8318 if (!bfd_set_arch_mach (stdoutput
, bfd_arch_hppa
, DEFAULT_LEVEL
))
8319 as_warn (_("could not set architecture and machine"));
8321 /* Folding of text and data segments fails miserably on the PA.
8322 Warn user and disable "-R" option. */
8323 if (flag_readonly_data_in_text
)
8325 as_warn (_("-R option not supported on this target."));
8326 flag_readonly_data_in_text
= 0;
8333 op_hash
= hash_new ();
8335 while (i
< NUMOPCODES
)
8337 const char *name
= pa_opcodes
[i
].name
;
8339 retval
= hash_insert (op_hash
, name
, (struct pa_opcode
*) &pa_opcodes
[i
]);
8340 if (retval
!= NULL
&& *retval
!= '\0')
8342 as_fatal (_("Internal error: can't hash `%s': %s\n"), name
, retval
);
8348 if ((pa_opcodes
[i
].match
& pa_opcodes
[i
].mask
)
8349 != pa_opcodes
[i
].match
)
8351 fprintf (stderr
, _("internal error: losing opcode: `%s' \"%s\"\n"),
8352 pa_opcodes
[i
].name
, pa_opcodes
[i
].args
);
8357 while (i
< NUMOPCODES
&& !strcmp (pa_opcodes
[i
].name
, name
));
8361 as_fatal (_("Broken assembler. No assembly attempted."));
8364 /* SOM will change text_section. To make sure we never put
8365 anything into the old one switch to the new one now. */
8366 subseg_set (text_section
, 0);
8370 dummy_symbol
= symbol_find_or_make ("L$dummy");
8371 S_SET_SEGMENT (dummy_symbol
, text_section
);
8372 /* Force the symbol to be converted to a real symbol. */
8373 symbol_get_bfdsym (dummy_symbol
)->flags
|= BSF_KEEP
;
8377 /* On the PA relocations which involve function symbols must not be
8378 adjusted. This so that the linker can know when/how to create argument
8379 relocation stubs for indirect calls and calls to static functions.
8381 "T" field selectors create DLT relative fixups for accessing
8382 globals and statics in PIC code; each DLT relative fixup creates
8383 an entry in the DLT table. The entries contain the address of
8384 the final target (eg accessing "foo" would create a DLT entry
8385 with the address of "foo").
8387 Unfortunately, the HP linker doesn't take into account any addend
8388 when generating the DLT; so accessing $LIT$+8 puts the address of
8389 $LIT$ into the DLT rather than the address of $LIT$+8.
8391 The end result is we can't perform relocation symbol reductions for
8392 any fixup which creates entries in the DLT (eg they use "T" field
8395 ??? Reject reductions involving symbols with external scope; such
8396 reductions make life a living hell for object file editors. */
8399 hppa_fix_adjustable (fixS
*fixp
)
8404 struct hppa_fix_struct
*hppa_fix
;
8406 hppa_fix
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8409 /* LR/RR selectors are implicitly used for a number of different relocation
8410 types. We must ensure that none of these types are adjusted (see below)
8411 even if they occur with a different selector. */
8412 code
= elf_hppa_reloc_final_type (stdoutput
, fixp
->fx_r_type
,
8413 hppa_fix
->fx_r_format
,
8414 hppa_fix
->fx_r_field
);
8418 /* Relocation types which use e_lrsel. */
8419 case R_PARISC_DIR21L
:
8420 case R_PARISC_DLTREL21L
:
8421 case R_PARISC_DPREL21L
:
8422 case R_PARISC_PLTOFF21L
:
8424 /* Relocation types which use e_rrsel. */
8425 case R_PARISC_DIR14R
:
8426 case R_PARISC_DIR14DR
:
8427 case R_PARISC_DIR14WR
:
8428 case R_PARISC_DIR17R
:
8429 case R_PARISC_DLTREL14R
:
8430 case R_PARISC_DLTREL14DR
:
8431 case R_PARISC_DLTREL14WR
:
8432 case R_PARISC_DPREL14R
:
8433 case R_PARISC_DPREL14DR
:
8434 case R_PARISC_DPREL14WR
:
8435 case R_PARISC_PLTOFF14R
:
8436 case R_PARISC_PLTOFF14DR
:
8437 case R_PARISC_PLTOFF14WR
:
8439 /* Other types that we reject for reduction. */
8440 case R_PARISC_GNU_VTENTRY
:
8441 case R_PARISC_GNU_VTINHERIT
:
8448 /* Reject reductions of symbols in sym1-sym2 expressions when
8449 the fixup will occur in a CODE subspace.
8451 XXX FIXME: Long term we probably want to reject all of these;
8452 for example reducing in the debug section would lose if we ever
8453 supported using the optimizing hp linker. */
8456 && (hppa_fix
->segment
->flags
& SEC_CODE
))
8459 /* We can't adjust any relocs that use LR% and RR% field selectors.
8461 If a symbol is reduced to a section symbol, the assembler will
8462 adjust the addend unless the symbol happens to reside right at
8463 the start of the section. Additionally, the linker has no choice
8464 but to manipulate the addends when coalescing input sections for
8465 "ld -r". Since an LR% field selector is defined to round the
8466 addend, we can't change the addend without risking that a LR% and
8467 it's corresponding (possible multiple) RR% field will no longer
8468 sum to the right value.
8471 . ldil LR%foo+0,%r21
8472 . ldw RR%foo+0(%r21),%r26
8473 . ldw RR%foo+4(%r21),%r25
8475 If foo is at address 4092 (decimal) in section `sect', then after
8476 reducing to the section symbol we get
8477 . LR%sect+4092 == (L%sect)+0
8478 . RR%sect+4092 == (R%sect)+4092
8479 . RR%sect+4096 == (R%sect)-4096
8480 and the last address loses because rounding the addend to 8k
8481 multiples takes us up to 8192 with an offset of -4096.
8483 In cases where the LR% expression is identical to the RR% one we
8484 will never have a problem, but is so happens that gcc rounds
8485 addends involved in LR% field selectors to work around a HP
8486 linker bug. ie. We often have addresses like the last case
8487 above where the LR% expression is offset from the RR% one. */
8489 if (hppa_fix
->fx_r_field
== e_lrsel
8490 || hppa_fix
->fx_r_field
== e_rrsel
8491 || hppa_fix
->fx_r_field
== e_nlrsel
)
8494 /* Reject reductions of symbols in DLT relative relocs,
8495 relocations with plabels. */
8496 if (hppa_fix
->fx_r_field
== e_tsel
8497 || hppa_fix
->fx_r_field
== e_ltsel
8498 || hppa_fix
->fx_r_field
== e_rtsel
8499 || hppa_fix
->fx_r_field
== e_psel
8500 || hppa_fix
->fx_r_field
== e_rpsel
8501 || hppa_fix
->fx_r_field
== e_lpsel
)
8504 /* Reject absolute calls (jumps). */
8505 if (hppa_fix
->fx_r_type
== R_HPPA_ABS_CALL
)
8508 /* Reject reductions of function symbols. */
8509 if (fixp
->fx_addsy
!= 0 && S_IS_FUNCTION (fixp
->fx_addsy
))
8515 /* Return nonzero if the fixup in FIXP will require a relocation,
8516 even it if appears that the fixup could be completely handled
8520 hppa_force_relocation (struct fix
*fixp
)
8522 struct hppa_fix_struct
*hppa_fixp
;
8524 hppa_fixp
= (struct hppa_fix_struct
*) fixp
->tc_fix_data
;
8526 if (fixp
->fx_r_type
== (int) R_HPPA_ENTRY
8527 || fixp
->fx_r_type
== (int) R_HPPA_EXIT
8528 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_BRTAB
8529 || fixp
->fx_r_type
== (int) R_HPPA_END_BRTAB
8530 || fixp
->fx_r_type
== (int) R_HPPA_BEGIN_TRY
8531 || fixp
->fx_r_type
== (int) R_HPPA_END_TRY
8532 || (fixp
->fx_addsy
!= NULL
&& fixp
->fx_subsy
!= NULL
8533 && (hppa_fixp
->segment
->flags
& SEC_CODE
) != 0))
8537 if (fixp
->fx_r_type
== (int) R_PARISC_GNU_VTINHERIT
8538 || fixp
->fx_r_type
== (int) R_PARISC_GNU_VTENTRY
)
8542 gas_assert (fixp
->fx_addsy
!= NULL
);
8544 /* Ensure we emit a relocation for global symbols so that dynamic
8546 if (S_FORCE_RELOC (fixp
->fx_addsy
, 1))
8549 /* It is necessary to force PC-relative calls/jumps to have a relocation
8550 entry if they're going to need either an argument relocation or long
8553 && arg_reloc_stub_needed (symbol_arg_reloc_info (fixp
->fx_addsy
),
8554 hppa_fixp
->fx_arg_reloc
))
8557 /* Now check to see if we're going to need a long-branch stub. */
8558 if (fixp
->fx_r_type
== (int) R_HPPA_PCREL_CALL
)
8560 long pc
= md_pcrel_from (fixp
);
8561 valueT distance
, min_stub_distance
;
8563 distance
= fixp
->fx_offset
+ S_GET_VALUE (fixp
->fx_addsy
) - pc
- 8;
8565 /* Distance to the closest possible stub. This will detect most
8566 but not all circumstances where a stub will not work. */
8567 min_stub_distance
= pc
+ 16;
8569 if (last_call_info
!= NULL
)
8570 min_stub_distance
-= S_GET_VALUE (last_call_info
->start_symbol
);
8573 if ((distance
+ 8388608 >= 16777216
8574 && min_stub_distance
<= 8388608)
8575 || (hppa_fixp
->fx_r_format
== 17
8576 && distance
+ 262144 >= 524288
8577 && min_stub_distance
<= 262144)
8578 || (hppa_fixp
->fx_r_format
== 12
8579 && distance
+ 8192 >= 16384
8580 && min_stub_distance
<= 8192)
8585 if (fixp
->fx_r_type
== (int) R_HPPA_ABS_CALL
)
8588 /* No need (yet) to force another relocations to be emitted. */
8592 /* Now for some ELF specific code. FIXME. */
8594 /* For ELF, this function serves one purpose: to setup the st_size
8595 field of STT_FUNC symbols. To do this, we need to scan the
8596 call_info structure list, determining st_size in by taking the
8597 difference in the address of the beginning/end marker symbols. */
8600 elf_hppa_final_processing (void)
8602 struct call_info
*call_info_pointer
;
8604 for (call_info_pointer
= call_info_root
;
8606 call_info_pointer
= call_info_pointer
->ci_next
)
8608 elf_symbol_type
*esym
8609 = ((elf_symbol_type
*)
8610 symbol_get_bfdsym (call_info_pointer
->start_symbol
));
8611 esym
->internal_elf_sym
.st_size
=
8612 S_GET_VALUE (call_info_pointer
->end_symbol
)
8613 - S_GET_VALUE (call_info_pointer
->start_symbol
) + 4;
8618 pa_vtable_entry (int ignore ATTRIBUTE_UNUSED
)
8620 struct fix
*new_fix
;
8622 new_fix
= obj_elf_vtable_entry (0);
8626 struct hppa_fix_struct
* hppa_fix
= obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
8628 hppa_fix
->fx_r_type
= R_HPPA
;
8629 hppa_fix
->fx_r_field
= e_fsel
;
8630 hppa_fix
->fx_r_format
= 32;
8631 hppa_fix
->fx_arg_reloc
= 0;
8632 hppa_fix
->segment
= now_seg
;
8633 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8634 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTENTRY
;
8639 pa_vtable_inherit (int ignore ATTRIBUTE_UNUSED
)
8641 struct fix
*new_fix
;
8643 new_fix
= obj_elf_vtable_inherit (0);
8647 struct hppa_fix_struct
* hppa_fix
= obstack_alloc (¬es
, sizeof (struct hppa_fix_struct
));
8649 hppa_fix
->fx_r_type
= R_HPPA
;
8650 hppa_fix
->fx_r_field
= e_fsel
;
8651 hppa_fix
->fx_r_format
= 32;
8652 hppa_fix
->fx_arg_reloc
= 0;
8653 hppa_fix
->segment
= now_seg
;
8654 new_fix
->tc_fix_data
= (void *) hppa_fix
;
8655 new_fix
->fx_r_type
= (int) R_PARISC_GNU_VTINHERIT
;
8660 /* Table of pseudo ops for the PA. FIXME -- how many of these
8661 are now redundant with the overall GAS and the object file
8662 dependent tables? */
8663 const pseudo_typeS md_pseudo_table
[] =
8665 /* align pseudo-ops on the PA specify the actual alignment requested,
8666 not the log2 of the requested alignment. */
8668 {"align", pa_align
, 8},
8671 {"align", s_align_bytes
, 8},
8673 {"begin_brtab", pa_brtab
, 1},
8674 {"begin_try", pa_try
, 1},
8675 {"block", pa_block
, 1},
8676 {"blockz", pa_block
, 0},
8677 {"byte", pa_cons
, 1},
8678 {"call", pa_call
, 0},
8679 {"callinfo", pa_callinfo
, 0},
8680 #if defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD))
8681 {"code", obj_elf_text
, 0},
8683 {"code", pa_text
, 0},
8684 {"comm", pa_comm
, 0},
8687 {"compiler", pa_compiler
, 0},
8689 {"copyright", pa_copyright
, 0},
8690 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
8691 {"data", pa_data
, 0},
8693 {"double", pa_float_cons
, 'd'},
8694 {"dword", pa_cons
, 8},
8696 {"end_brtab", pa_brtab
, 0},
8697 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
8698 {"end_try", pa_try
, 0},
8700 {"enter", pa_enter
, 0},
8701 {"entry", pa_entry
, 0},
8703 {"exit", pa_exit
, 0},
8704 {"export", pa_export
, 0},
8705 {"fill", pa_fill
, 0},
8706 {"float", pa_float_cons
, 'f'},
8707 {"half", pa_cons
, 2},
8708 {"import", pa_import
, 0},
8709 {"int", pa_cons
, 4},
8710 {"label", pa_label
, 0},
8711 {"lcomm", pa_lcomm
, 0},
8712 {"leave", pa_leave
, 0},
8713 {"level", pa_level
, 0},
8714 {"long", pa_cons
, 4},
8715 {"lsym", pa_lsym
, 0},
8717 {"nsubspa", pa_subspace
, 1},
8719 {"octa", pa_cons
, 16},
8720 {"org", pa_origin
, 0},
8721 {"origin", pa_origin
, 0},
8722 {"param", pa_param
, 0},
8723 {"proc", pa_proc
, 0},
8724 {"procend", pa_procend
, 0},
8725 {"quad", pa_cons
, 8},
8727 {"short", pa_cons
, 2},
8728 {"single", pa_float_cons
, 'f'},
8730 {"space", pa_space
, 0},
8731 {"spnum", pa_spnum
, 0},
8733 {"string", pa_stringer
, 0},
8734 {"stringz", pa_stringer
, 1},
8736 {"subspa", pa_subspace
, 0},
8738 #if !(defined (OBJ_ELF) && (defined (TE_LINUX) || defined (TE_NetBSD)))
8739 {"text", pa_text
, 0},
8741 {"version", pa_version
, 0},
8743 {"vtable_entry", pa_vtable_entry
, 0},
8744 {"vtable_inherit", pa_vtable_inherit
, 0},
8746 {"word", pa_cons
, 4},
8752 hppa_cfi_frame_initial_instructions (void)
8754 cfi_add_CFA_def_cfa (30, 0);
8758 hppa_regname_to_dw2regnum (char *regname
)
8760 unsigned int regnum
= -1;
8764 static struct { char *name
; int dw2regnum
; } regnames
[] =
8766 { "sp", 30 }, { "rp", 2 },
8769 for (i
= 0; i
< ARRAY_SIZE (regnames
); ++i
)
8770 if (strcmp (regnames
[i
].name
, regname
) == 0)
8771 return regnames
[i
].dw2regnum
;
8773 if (regname
[0] == 'r')
8776 regnum
= strtoul (p
, &q
, 10);
8777 if (p
== q
|| *q
|| regnum
>= 32)
8780 else if (regname
[0] == 'f' && regname
[1] == 'r')
8783 regnum
= strtoul (p
, &q
, 10);
8784 #if TARGET_ARCH_SIZE == 64
8785 if (p
== q
|| *q
|| regnum
<= 4 || regnum
>= 32)
8790 || (*q
&& ((*q
!= 'L' && *q
!= 'R') || *(q
+ 1)))
8791 || regnum
<= 4 || regnum
>= 32)
8793 regnum
= (regnum
- 4) * 2 + 32;